3 * linux/drivers/s390/net/qeth_main.c ($Revision: 1.170 $)
5 * Linux on zSeries OSA Express and HiperSockets support
7 * Copyright 2000,2003 IBM Corporation
9 * Author(s): Original Code written by
10 * Utz Bacher (utz.bacher@de.ibm.com)
12 * Frank Pavlic (pavlic@de.ibm.com) and
13 * Thomas Spatzier <tspat@de.ibm.com>
15 * $Revision: 1.170 $ $Date: 2004/11/17 09:54:06 $
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2, or (at your option)
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33 * eye catcher; just for debugging purposes
41 #include <linux/config.h>
42 #include <linux/module.h>
43 #include <linux/moduleparam.h>
45 #include <linux/string.h>
46 #include <linux/errno.h>
50 #include <asm/ebcdic.h>
51 #include <linux/ctype.h>
52 #include <asm/semaphore.h>
53 #include <asm/timex.h>
55 #include <linux/inetdevice.h>
56 #include <linux/netdevice.h>
57 #include <linux/sched.h>
58 #include <linux/workqueue.h>
59 #include <linux/kernel.h>
60 #include <linux/slab.h>
61 #include <linux/interrupt.h>
62 #include <linux/tcp.h>
63 #include <linux/icmp.h>
64 #include <linux/skbuff.h>
65 #include <net/route.h>
68 #include <linux/igmp.h>
70 #include <asm/uaccess.h>
71 #include <linux/init.h>
72 #include <linux/reboot.h>
74 #include <linux/mii.h>
75 #include <linux/rcupdate.h>
81 #define VERSION_QETH_C "$Revision: 1.170 $"
82 static const char *version = "qeth S/390 OSA-Express driver";
85 * Debug Facility Stuff
87 static debug_info_t *qeth_dbf_setup = NULL;
88 static debug_info_t *qeth_dbf_data = NULL;
89 static debug_info_t *qeth_dbf_misc = NULL;
90 static debug_info_t *qeth_dbf_control = NULL;
91 static debug_info_t *qeth_dbf_trace = NULL;
92 static debug_info_t *qeth_dbf_sense = NULL;
93 static debug_info_t *qeth_dbf_qerr = NULL;
95 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
98 * some more definitions and declarations
100 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
102 /* list of our cards */
103 struct qeth_card_list_struct qeth_card_list;
104 /*process list want to be notified*/
105 spinlock_t qeth_notify_lock;
106 struct list_head qeth_notify_list;
108 static void qeth_send_control_data_cb(struct qeth_channel *,
109 struct qeth_cmd_buffer *);
112 * here we go with function implementation
115 qeth_init_qdio_info(struct qeth_card *card);
118 qeth_init_qdio_queues(struct qeth_card *card);
121 qeth_alloc_qdio_buffers(struct qeth_card *card);
124 qeth_free_qdio_buffers(struct qeth_card *);
127 qeth_clear_qdio_buffers(struct qeth_card *);
130 qeth_clear_ip_list(struct qeth_card *, int, int);
133 qeth_clear_ipacmd_list(struct qeth_card *);
136 qeth_qdio_clear_card(struct qeth_card *, int);
139 qeth_clear_working_pool_list(struct qeth_card *);
142 qeth_clear_cmd_buffers(struct qeth_channel *);
145 qeth_stop(struct net_device *);
148 qeth_clear_ipato_list(struct qeth_card *);
151 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
154 qeth_irq_tasklet(unsigned long);
157 qeth_set_online(struct ccwgroup_device *);
159 static struct qeth_ipaddr *
160 qeth_get_addr_buffer(enum qeth_prot_versions);
163 qeth_set_multicast_list(struct net_device *);
166 qeth_notify_processes(void)
168 /*notify all registered processes */
169 struct qeth_notify_list_struct *n_entry;
171 QETH_DBF_TEXT(trace,3,"procnoti");
172 spin_lock(&qeth_notify_lock);
173 list_for_each_entry(n_entry, &qeth_notify_list, list) {
174 send_sig(n_entry->signum, n_entry->task, 1);
176 spin_unlock(&qeth_notify_lock);
180 qeth_notifier_unregister(struct task_struct *p)
182 struct qeth_notify_list_struct *n_entry, *tmp;
184 QETH_DBF_TEXT(trace, 2, "notunreg");
185 spin_lock(&qeth_notify_lock);
186 list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
187 if (n_entry->task == p) {
188 list_del(&n_entry->list);
194 spin_unlock(&qeth_notify_lock);
198 qeth_notifier_register(struct task_struct *p, int signum)
200 struct qeth_notify_list_struct *n_entry;
203 /*check first if entry already exists*/
204 spin_lock(&qeth_notify_lock);
205 list_for_each_entry(n_entry, &qeth_notify_list, list) {
206 if (n_entry->task == p) {
207 n_entry->signum = signum;
208 spin_unlock(&qeth_notify_lock);
212 spin_unlock(&qeth_notify_lock);
214 n_entry = (struct qeth_notify_list_struct *)
215 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
219 n_entry->signum = signum;
220 spin_lock(&qeth_notify_lock);
221 list_add(&n_entry->list,&qeth_notify_list);
222 spin_unlock(&qeth_notify_lock);
228 * free channel command buffers
231 qeth_clean_channel(struct qeth_channel *channel)
235 QETH_DBF_TEXT(setup, 2, "freech");
236 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
237 kfree(channel->iob[cnt].data);
244 qeth_free_card(struct qeth_card *card)
247 QETH_DBF_TEXT(setup, 2, "freecrd");
248 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
249 qeth_clean_channel(&card->read);
250 qeth_clean_channel(&card->write);
252 free_netdev(card->dev);
253 qeth_clear_ip_list(card, 0, 0);
254 qeth_clear_ipato_list(card);
255 kfree(card->ip_tbd_list);
256 qeth_free_qdio_buffers(card);
261 * alloc memory for command buffer per channel
264 qeth_setup_channel(struct qeth_channel *channel)
268 QETH_DBF_TEXT(setup, 2, "setupch");
269 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
270 channel->iob[cnt].data = (char *)
271 kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
272 if (channel->iob[cnt].data == NULL)
274 channel->iob[cnt].state = BUF_STATE_FREE;
275 channel->iob[cnt].channel = channel;
276 channel->iob[cnt].callback = qeth_send_control_data_cb;
277 channel->iob[cnt].rc = 0;
279 if (cnt < QETH_CMD_BUFFER_NO) {
281 kfree(channel->iob[cnt].data);
285 channel->io_buf_no = 0;
286 atomic_set(&channel->irq_pending, 0);
287 spin_lock_init(&channel->iob_lock);
289 init_waitqueue_head(&channel->wait_q);
290 channel->irq_tasklet.data = (unsigned long) channel;
291 channel->irq_tasklet.func = qeth_irq_tasklet;
296 * alloc memory for card structure
298 static struct qeth_card *
299 qeth_alloc_card(void)
301 struct qeth_card *card;
303 QETH_DBF_TEXT(setup, 2, "alloccrd");
304 card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card),
308 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
309 memset(card, 0, sizeof(struct qeth_card));
310 if (qeth_setup_channel(&card->read)) {
314 if (qeth_setup_channel(&card->write)) {
315 qeth_clean_channel(&card->read);
323 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
328 switch (PTR_ERR(irb)) {
330 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
331 QETH_DBF_TEXT(trace, 2, "ckirberr");
332 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
335 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
336 QETH_DBF_TEXT(trace, 2, "ckirberr");
337 QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT);
340 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
342 QETH_DBF_TEXT(trace, 2, "ckirberr");
343 QETH_DBF_TEXT(trace, 2, " rc???");
349 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
354 sense = (char *) irb->ecw;
355 cstat = irb->scsw.cstat;
356 dstat = irb->scsw.dstat;
358 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
359 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
360 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
361 QETH_DBF_TEXT(trace,2, "CGENCHK");
362 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
363 cdev->dev.bus_id, dstat, cstat);
364 HEXDUMP16(WARN, "irb: ", irb);
365 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
369 if (dstat & DEV_STAT_UNIT_CHECK) {
370 if (sense[SENSE_RESETTING_EVENT_BYTE] &
371 SENSE_RESETTING_EVENT_FLAG) {
372 QETH_DBF_TEXT(trace,2,"REVIND");
375 if (sense[SENSE_COMMAND_REJECT_BYTE] &
376 SENSE_COMMAND_REJECT_FLAG) {
377 QETH_DBF_TEXT(trace,2,"CMDREJi");
380 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
381 QETH_DBF_TEXT(trace,2,"AFFE");
384 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
385 QETH_DBF_TEXT(trace,2,"ZEROSEN");
388 QETH_DBF_TEXT(trace,2,"DGENCHK");
393 static int qeth_issue_next_read(struct qeth_card *);
399 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
403 struct qeth_cmd_buffer *buffer;
404 struct qeth_channel *channel;
405 struct qeth_card *card;
407 QETH_DBF_TEXT(trace,5,"irq");
409 if (__qeth_check_irb_error(cdev, irb))
411 cstat = irb->scsw.cstat;
412 dstat = irb->scsw.dstat;
414 card = CARD_FROM_CDEV(cdev);
418 if (card->read.ccwdev == cdev){
419 channel = &card->read;
420 QETH_DBF_TEXT(trace,5,"read");
421 } else if (card->write.ccwdev == cdev) {
422 channel = &card->write;
423 QETH_DBF_TEXT(trace,5,"write");
425 channel = &card->data;
426 QETH_DBF_TEXT(trace,5,"data");
428 atomic_set(&channel->irq_pending, 0);
430 if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
431 channel->state = CH_STATE_STOPPED;
433 if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
434 channel->state = CH_STATE_HALTED;
436 /*let's wake up immediately on data channel*/
437 if ((channel == &card->data) && (intparm != 0))
440 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
441 QETH_DBF_TEXT(trace, 6, "clrchpar");
442 /* we don't have to handle this further */
445 if (intparm == QETH_HALT_CHANNEL_PARM) {
446 QETH_DBF_TEXT(trace, 6, "hltchpar");
447 /* we don't have to handle this further */
450 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
451 (dstat & DEV_STAT_UNIT_CHECK) ||
453 if (irb->esw.esw0.erw.cons) {
454 /* TODO: we should make this s390dbf */
455 PRINT_WARN("sense data available on channel %s.\n",
456 CHANNEL_ID(channel));
457 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
458 HEXDUMP16(WARN,"irb: ",irb);
459 HEXDUMP16(WARN,"sense data: ",irb->ecw);
461 rc = qeth_get_problem(cdev,irb);
463 qeth_schedule_recovery(card);
469 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
470 buffer->state = BUF_STATE_PROCESSED;
472 if (channel == &card->data)
475 if (channel == &card->read &&
476 channel->state == CH_STATE_UP)
477 qeth_issue_next_read(card);
479 tasklet_schedule(&channel->irq_tasklet);
482 wake_up(&card->wait_q);
486 * tasklet function scheduled from irq handler
489 qeth_irq_tasklet(unsigned long data)
491 struct qeth_card *card;
492 struct qeth_channel *channel;
493 struct qeth_cmd_buffer *iob;
496 QETH_DBF_TEXT(trace,5,"irqtlet");
497 channel = (struct qeth_channel *) data;
499 index = channel->buf_no;
500 card = CARD_FROM_CDEV(channel->ccwdev);
501 while (iob[index].state == BUF_STATE_PROCESSED) {
502 if (iob[index].callback !=NULL) {
503 iob[index].callback(channel,iob + index);
505 index = (index + 1) % QETH_CMD_BUFFER_NO;
507 channel->buf_no = index;
508 wake_up(&card->wait_q);
511 static int qeth_stop_card(struct qeth_card *);
514 qeth_set_offline(struct ccwgroup_device *cgdev)
516 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
517 enum qeth_card_states recover_flag;
519 QETH_DBF_TEXT(setup, 3, "setoffl");
520 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
522 recover_flag = card->state;
523 if (qeth_stop_card(card) == -ERESTARTSYS){
524 PRINT_WARN("Stopping card %s interrupted by user!\n",
528 ccw_device_set_offline(CARD_DDEV(card));
529 ccw_device_set_offline(CARD_WDEV(card));
530 ccw_device_set_offline(CARD_RDEV(card));
531 if (recover_flag == CARD_STATE_UP)
532 card->state = CARD_STATE_RECOVER;
533 qeth_notify_processes();
538 qeth_remove_device(struct ccwgroup_device *cgdev)
540 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
543 QETH_DBF_TEXT(setup, 3, "rmdev");
544 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
549 if (cgdev->state == CCWGROUP_ONLINE){
550 card->use_hard_stop = 1;
551 qeth_set_offline(cgdev);
553 /* remove form our internal list */
554 write_lock_irqsave(&qeth_card_list.rwlock, flags);
555 list_del(&card->list);
556 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
558 unregister_netdev(card->dev);
559 qeth_remove_device_attributes(&cgdev->dev);
560 qeth_free_card(card);
561 cgdev->dev.driver_data = NULL;
562 put_device(&cgdev->dev);
566 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
568 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
571 * Add/remove address to/from card's ip list, i.e. try to add or remove
572 * reference to/from an IP address that is already registered on the card.
574 * 0 address was on card and its reference count has been adjusted,
575 * but is still > 0, so nothing has to be done
576 * also returns 0 if card was not on card and the todo was to delete
577 * the address -> there is also nothing to be done
578 * 1 address was not on card and the todo is to add it to the card's ip
580 * -1 address was on card and its reference count has been decremented
581 * to <= 0 by the todo -> address must be removed from card
584 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
585 struct qeth_ipaddr **__addr)
587 struct qeth_ipaddr *addr;
590 list_for_each_entry(addr, &card->ip_list, entry) {
591 if ((addr->proto == QETH_PROT_IPV4) &&
592 (todo->proto == QETH_PROT_IPV4) &&
593 (addr->type == todo->type) &&
594 (addr->u.a4.addr == todo->u.a4.addr) &&
595 (addr->u.a4.mask == todo->u.a4.mask) ){
599 if ((addr->proto == QETH_PROT_IPV6) &&
600 (todo->proto == QETH_PROT_IPV6) &&
601 (addr->type == todo->type) &&
602 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
603 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
604 sizeof(struct in6_addr)) == 0)) {
610 addr->users += todo->users;
611 if (addr->users <= 0){
615 /* for VIPA and RXIP limit refcount to 1 */
616 if (addr->type != QETH_IP_TYPE_NORMAL)
621 if (todo->users > 0){
622 /* for VIPA and RXIP limit refcount to 1 */
623 if (todo->type != QETH_IP_TYPE_NORMAL)
631 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
634 struct qeth_ipaddr *tmp;
636 list_for_each_entry(tmp, list, entry) {
637 if ((tmp->proto == QETH_PROT_IPV4) &&
638 (addr->proto == QETH_PROT_IPV4) &&
639 ((same_type && (tmp->type == addr->type)) ||
640 (!same_type && (tmp->type != addr->type)) ) &&
641 (tmp->u.a4.addr == addr->u.a4.addr) ){
644 if ((tmp->proto == QETH_PROT_IPV6) &&
645 (addr->proto == QETH_PROT_IPV6) &&
646 ((same_type && (tmp->type == addr->type)) ||
647 (!same_type && (tmp->type != addr->type)) ) &&
648 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
649 sizeof(struct in6_addr)) == 0) ) {
657 * Add IP to be added to todo list. If there is already an "add todo"
658 * in this list we just incremenent the reference count.
659 * Returns 0 if we just incremented reference count.
662 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
664 struct qeth_ipaddr *tmp, *t;
667 list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
668 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
669 (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
671 if ((tmp->proto == QETH_PROT_IPV4) &&
672 (addr->proto == QETH_PROT_IPV4) &&
673 (tmp->type == addr->type) &&
674 (tmp->is_multicast == addr->is_multicast) &&
675 (tmp->u.a4.addr == addr->u.a4.addr) &&
676 (tmp->u.a4.mask == addr->u.a4.mask) ){
680 if ((tmp->proto == QETH_PROT_IPV6) &&
681 (addr->proto == QETH_PROT_IPV6) &&
682 (tmp->type == addr->type) &&
683 (tmp->is_multicast == addr->is_multicast) &&
684 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
685 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
686 sizeof(struct in6_addr)) == 0) ){
692 if (addr->users != 0)
693 tmp->users += addr->users;
695 tmp->users += add? 1:-1;
696 if (tmp->users == 0){
697 list_del(&tmp->entry);
702 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
703 list_add(&addr->entry, card->ip_tbd_list);
705 if (addr->users == 0)
706 addr->users += add? 1:-1;
707 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
708 qeth_is_addr_covered_by_ipato(card, addr)){
709 QETH_DBF_TEXT(trace, 2, "tkovaddr");
710 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
712 list_add_tail(&addr->entry, card->ip_tbd_list);
719 * Remove IP address from list
722 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
727 QETH_DBF_TEXT(trace,4,"delip");
728 if (addr->proto == QETH_PROT_IPV4)
729 QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
731 QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8);
732 QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8);
734 spin_lock_irqsave(&card->ip_lock, flags);
735 rc = __qeth_insert_ip_todo(card, addr, 0);
736 spin_unlock_irqrestore(&card->ip_lock, flags);
741 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
746 QETH_DBF_TEXT(trace,4,"addip");
747 if (addr->proto == QETH_PROT_IPV4)
748 QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
750 QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8);
751 QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8);
753 spin_lock_irqsave(&card->ip_lock, flags);
754 rc = __qeth_insert_ip_todo(card, addr, 1);
755 spin_unlock_irqrestore(&card->ip_lock, flags);
760 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
762 struct qeth_ipaddr *addr, *tmp;
765 list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
766 if (addr->is_multicast) {
767 spin_unlock_irqrestore(&card->ip_lock, *flags);
768 rc = qeth_deregister_addr_entry(card, addr);
769 spin_lock_irqsave(&card->ip_lock, *flags);
771 list_del(&addr->entry);
779 qeth_set_ip_addr_list(struct qeth_card *card)
781 struct list_head *tbd_list;
782 struct qeth_ipaddr *todo, *addr;
786 QETH_DBF_TEXT(trace, 2, "sdiplist");
787 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
789 spin_lock_irqsave(&card->ip_lock, flags);
790 tbd_list = card->ip_tbd_list;
791 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
792 if (!card->ip_tbd_list) {
793 QETH_DBF_TEXT(trace, 0, "silnomem");
794 card->ip_tbd_list = tbd_list;
795 spin_unlock_irqrestore(&card->ip_lock, flags);
798 INIT_LIST_HEAD(card->ip_tbd_list);
800 while (!list_empty(tbd_list)){
801 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
802 list_del(&todo->entry);
803 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
804 __qeth_delete_all_mc(card, &flags);
808 rc = __qeth_ref_ip_on_card(card, todo, &addr);
810 /* nothing to be done; only adjusted refcount */
812 } else if (rc == 1) {
813 /* new entry to be added to on-card list */
814 spin_unlock_irqrestore(&card->ip_lock, flags);
815 rc = qeth_register_addr_entry(card, todo);
816 spin_lock_irqsave(&card->ip_lock, flags);
818 list_add_tail(&todo->entry, &card->ip_list);
821 } else if (rc == -1) {
822 /* on-card entry to be removed */
823 list_del_init(&addr->entry);
824 spin_unlock_irqrestore(&card->ip_lock, flags);
825 rc = qeth_deregister_addr_entry(card, addr);
826 spin_lock_irqsave(&card->ip_lock, flags);
830 list_add_tail(&addr->entry, &card->ip_list);
834 spin_unlock_irqrestore(&card->ip_lock, flags);
838 static void qeth_delete_mc_addresses(struct qeth_card *);
839 static void qeth_add_multicast_ipv4(struct qeth_card *);
840 #ifdef CONFIG_QETH_IPV6
841 static void qeth_add_multicast_ipv6(struct qeth_card *);
845 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
849 spin_lock_irqsave(&card->thread_mask_lock, flags);
850 if ( !(card->thread_allowed_mask & thread) ||
851 (card->thread_start_mask & thread) ) {
852 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
855 card->thread_start_mask |= thread;
856 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
861 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
865 spin_lock_irqsave(&card->thread_mask_lock, flags);
866 card->thread_start_mask &= ~thread;
867 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
868 wake_up(&card->wait_q);
872 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
876 spin_lock_irqsave(&card->thread_mask_lock, flags);
877 card->thread_running_mask &= ~thread;
878 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
879 wake_up(&card->wait_q);
883 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
888 spin_lock_irqsave(&card->thread_mask_lock, flags);
889 if (card->thread_start_mask & thread){
890 if ((card->thread_allowed_mask & thread) &&
891 !(card->thread_running_mask & thread)){
893 card->thread_start_mask &= ~thread;
894 card->thread_running_mask |= thread;
898 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
903 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
907 wait_event(card->wait_q,
908 (rc = __qeth_do_run_thread(card, thread)) >= 0);
913 qeth_register_ip_addresses(void *ptr)
915 struct qeth_card *card;
917 card = (struct qeth_card *) ptr;
918 daemonize("qeth_reg_ip");
919 QETH_DBF_TEXT(trace,4,"regipth1");
920 if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD))
922 QETH_DBF_TEXT(trace,4,"regipth2");
923 qeth_set_ip_addr_list(card);
924 qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD);
929 qeth_recover(void *ptr)
931 struct qeth_card *card;
934 card = (struct qeth_card *) ptr;
935 daemonize("qeth_recover");
936 QETH_DBF_TEXT(trace,2,"recover1");
937 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
938 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
940 QETH_DBF_TEXT(trace,2,"recover2");
941 PRINT_WARN("Recovery of device %s started ...\n",
943 card->use_hard_stop = 1;
944 qeth_set_offline(card->gdev);
945 rc = qeth_set_online(card->gdev);
947 PRINT_INFO("Device %s successfully recovered!\n",
950 PRINT_INFO("Device %s could not be recovered!\n",
952 /* don't run another scheduled recovery */
953 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
954 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
959 qeth_schedule_recovery(struct qeth_card *card)
961 QETH_DBF_TEXT(trace,2,"startrec");
963 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
964 schedule_work(&card->kernel_thread_starter);
968 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
973 spin_lock_irqsave(&card->thread_mask_lock, flags);
974 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
975 (u8) card->thread_start_mask,
976 (u8) card->thread_allowed_mask,
977 (u8) card->thread_running_mask);
978 rc = (card->thread_start_mask & thread);
979 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
984 qeth_start_kernel_thread(struct qeth_card *card)
986 QETH_DBF_TEXT(trace , 2, "strthrd");
988 if (card->read.state != CH_STATE_UP &&
989 card->write.state != CH_STATE_UP)
992 if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
993 kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD);
994 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
995 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1000 qeth_set_intial_options(struct qeth_card *card)
1002 card->options.route4.type = NO_ROUTER;
1003 #ifdef CONFIG_QETH_IPV6
1004 card->options.route6.type = NO_ROUTER;
1005 #endif /* QETH_IPV6 */
1006 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1007 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1008 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1009 card->options.fake_broadcast = 0;
1010 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1011 card->options.fake_ll = 0;
1012 card->options.layer2 = 0;
1016 * initialize channels ,card and all state machines
1019 qeth_setup_card(struct qeth_card *card)
1022 QETH_DBF_TEXT(setup, 2, "setupcrd");
1023 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1025 card->read.state = CH_STATE_DOWN;
1026 card->write.state = CH_STATE_DOWN;
1027 card->data.state = CH_STATE_DOWN;
1028 card->state = CARD_STATE_DOWN;
1029 card->lan_online = 0;
1030 card->use_hard_stop = 0;
1032 #ifdef CONFIG_QETH_VLAN
1033 spin_lock_init(&card->vlanlock);
1034 card->vlangrp = NULL;
1036 spin_lock_init(&card->ip_lock);
1037 spin_lock_init(&card->thread_mask_lock);
1038 card->thread_start_mask = 0;
1039 card->thread_allowed_mask = 0;
1040 card->thread_running_mask = 0;
1041 INIT_WORK(&card->kernel_thread_starter,
1042 (void *)qeth_start_kernel_thread,card);
1043 INIT_LIST_HEAD(&card->ip_list);
1044 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1045 if (!card->ip_tbd_list) {
1046 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1049 INIT_LIST_HEAD(card->ip_tbd_list);
1050 INIT_LIST_HEAD(&card->cmd_waiter_list);
1051 init_waitqueue_head(&card->wait_q);
1052 /* intial options */
1053 qeth_set_intial_options(card);
1054 /* IP address takeover */
1055 INIT_LIST_HEAD(&card->ipato.entries);
1056 card->ipato.enabled = 0;
1057 card->ipato.invert4 = 0;
1058 card->ipato.invert6 = 0;
1059 /* init QDIO stuff */
1060 qeth_init_qdio_info(card);
1065 qeth_determine_card_type(struct qeth_card *card)
1069 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1071 while (known_devices[i][4]) {
1072 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1073 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1074 card->info.type = known_devices[i][4];
1075 card->qdio.no_out_queues = known_devices[i][8];
1076 card->info.is_multicast_different = known_devices[i][9];
1081 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1082 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1087 qeth_probe_device(struct ccwgroup_device *gdev)
1089 struct qeth_card *card;
1091 unsigned long flags;
1094 QETH_DBF_TEXT(setup, 2, "probedev");
1097 if (!get_device(dev))
1100 card = qeth_alloc_card();
1103 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1106 if ((rc = qeth_setup_card(card))){
1107 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1109 qeth_free_card(card);
1112 gdev->dev.driver_data = card;
1114 gdev->cdev[0]->handler = qeth_irq;
1115 gdev->cdev[1]->handler = qeth_irq;
1116 gdev->cdev[2]->handler = qeth_irq;
1118 rc = qeth_create_device_attributes(dev);
1121 qeth_free_card(card);
1124 card->read.ccwdev = gdev->cdev[0];
1125 card->write.ccwdev = gdev->cdev[1];
1126 card->data.ccwdev = gdev->cdev[2];
1127 if ((rc = qeth_determine_card_type(card))){
1128 PRINT_WARN("%s: not a valid card type\n", __func__);
1129 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1131 qeth_free_card(card);
1134 /* insert into our internal list */
1135 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1136 list_add_tail(&card->list, &qeth_card_list.list);
1137 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1143 qeth_get_unitaddr(struct qeth_card *card)
1149 QETH_DBF_TEXT(setup, 2, "getunit");
1150 rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1152 PRINT_ERR("read_conf_data for device %s returned %i\n",
1153 CARD_DDEV_ID(card), rc);
1156 card->info.chpid = prcd[30];
1157 card->info.unit_addr2 = prcd[31];
1158 card->info.cula = prcd[63];
1159 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1160 (prcd[0x11] == _ascebc['M']));
1165 qeth_init_tokens(struct qeth_card *card)
1167 card->token.issuer_rm_w = 0x00010103UL;
1168 card->token.cm_filter_w = 0x00010108UL;
1169 card->token.cm_connection_w = 0x0001010aUL;
1170 card->token.ulp_filter_w = 0x0001010bUL;
1171 card->token.ulp_connection_w = 0x0001010dUL;
1175 raw_devno_from_bus_id(char *id)
1177 id += (strlen(id) - 4);
1178 return (__u16) simple_strtoul(id, &id, 16);
1184 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1186 struct qeth_card *card;
1188 QETH_DBF_TEXT(trace, 4, "setupccw");
1189 card = CARD_FROM_CDEV(channel->ccwdev);
1190 if (channel == &card->read)
1191 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1193 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1194 channel->ccw.count = len;
1195 channel->ccw.cda = (__u32) __pa(iob);
1199 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1201 static struct qeth_cmd_buffer *
1202 __qeth_get_buffer(struct qeth_channel *channel)
1206 QETH_DBF_TEXT(trace, 6, "getbuff");
1207 index = channel->io_buf_no;
1209 if (channel->iob[index].state == BUF_STATE_FREE) {
1210 channel->iob[index].state = BUF_STATE_LOCKED;
1211 channel->io_buf_no = (channel->io_buf_no + 1) %
1213 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1214 return channel->iob + index;
1216 index = (index + 1) % QETH_CMD_BUFFER_NO;
1217 } while(index != channel->io_buf_no);
1223 * release command buffer
1226 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1228 unsigned long flags;
1230 QETH_DBF_TEXT(trace, 6, "relbuff");
1231 spin_lock_irqsave(&channel->iob_lock, flags);
1232 memset(iob->data, 0, QETH_BUFSIZE);
1233 iob->state = BUF_STATE_FREE;
1234 iob->callback = qeth_send_control_data_cb;
1236 spin_unlock_irqrestore(&channel->iob_lock, flags);
1239 static struct qeth_cmd_buffer *
1240 qeth_get_buffer(struct qeth_channel *channel)
1242 struct qeth_cmd_buffer *buffer = NULL;
1243 unsigned long flags;
1245 spin_lock_irqsave(&channel->iob_lock, flags);
1246 buffer = __qeth_get_buffer(channel);
1247 spin_unlock_irqrestore(&channel->iob_lock, flags);
1251 static struct qeth_cmd_buffer *
1252 qeth_wait_for_buffer(struct qeth_channel *channel)
1254 struct qeth_cmd_buffer *buffer;
1255 wait_event(channel->wait_q,
1256 ((buffer = qeth_get_buffer(channel)) != NULL));
1261 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1265 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1266 qeth_release_buffer(channel,&channel->iob[cnt]);
1267 channel->buf_no = 0;
1268 channel->io_buf_no = 0;
1272 * start IDX for read and write channel
1275 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1276 void (*idx_reply_cb)(struct qeth_channel *,
1277 struct qeth_cmd_buffer *))
1279 struct qeth_cmd_buffer *iob;
1280 unsigned long flags;
1282 struct qeth_card *card;
1284 QETH_DBF_TEXT(setup, 2, "idxanswr");
1285 card = CARD_FROM_CDEV(channel->ccwdev);
1286 iob = qeth_get_buffer(channel);
1287 iob->callback = idx_reply_cb;
1288 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1289 channel->ccw.count = QETH_BUFSIZE;
1290 channel->ccw.cda = (__u32) __pa(iob->data);
1292 wait_event(card->wait_q,
1293 atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1294 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1295 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1296 rc = ccw_device_start(channel->ccwdev,
1297 &channel->ccw,(addr_t) iob, 0, 0);
1298 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1301 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1302 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1303 atomic_set(&channel->irq_pending, 0);
1304 wake_up(&card->wait_q);
1307 rc = wait_event_interruptible_timeout(card->wait_q,
1308 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1309 if (rc == -ERESTARTSYS)
1311 if (channel->state != CH_STATE_UP){
1313 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1320 qeth_idx_activate_channel(struct qeth_channel *channel,
1321 void (*idx_reply_cb)(struct qeth_channel *,
1322 struct qeth_cmd_buffer *))
1324 struct qeth_card *card;
1325 struct qeth_cmd_buffer *iob;
1326 unsigned long flags;
1330 card = CARD_FROM_CDEV(channel->ccwdev);
1332 QETH_DBF_TEXT(setup, 2, "idxactch");
1334 iob = qeth_get_buffer(channel);
1335 iob->callback = idx_reply_cb;
1336 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1337 channel->ccw.count = IDX_ACTIVATE_SIZE;
1338 channel->ccw.cda = (__u32) __pa(iob->data);
1339 if (channel == &card->write) {
1340 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1341 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1342 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1343 card->seqno.trans_hdr++;
1345 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1346 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1347 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1349 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1350 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1351 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1352 &card->info.func_level,sizeof(__u16));
1353 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1354 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1355 temp = (card->info.cula << 8) + card->info.unit_addr2;
1356 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1358 wait_event(card->wait_q,
1359 atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1360 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1361 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1362 rc = ccw_device_start(channel->ccwdev,
1363 &channel->ccw,(addr_t) iob, 0, 0);
1364 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1367 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1368 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1369 atomic_set(&channel->irq_pending, 0);
1370 wake_up(&card->wait_q);
1373 rc = wait_event_interruptible_timeout(card->wait_q,
1374 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1375 if (rc == -ERESTARTSYS)
1377 if (channel->state != CH_STATE_ACTIVATING) {
1378 PRINT_WARN("qeth: IDX activate timed out!\n");
1379 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1382 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1386 qeth_peer_func_level(int level)
1388 if ((level & 0xff) == 8)
1389 return (level & 0xff) + 0x400;
1390 if (((level >> 8) & 3) == 1)
1391 return (level & 0xff) + 0x200;
1396 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1398 struct qeth_card *card;
1401 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1403 if (channel->state == CH_STATE_DOWN) {
1404 channel->state = CH_STATE_ACTIVATING;
1407 card = CARD_FROM_CDEV(channel->ccwdev);
1409 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1410 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1411 "reply\n", CARD_WDEV_ID(card));
1414 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1415 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1416 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1417 "function level mismatch "
1418 "(sent: 0x%x, received: 0x%x)\n",
1419 CARD_WDEV_ID(card), card->info.func_level, temp);
1422 channel->state = CH_STATE_UP;
1424 qeth_release_buffer(channel, iob);
1428 qeth_check_idx_response(unsigned char *buffer)
1433 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1434 if ((buffer[2] & 0xc0) == 0xc0) {
1435 PRINT_WARN("received an IDX TERMINATE "
1436 "with cause code 0x%02x%s\n",
1438 ((buffer[4] == 0x22) ?
1439 " -- try another portname" : ""));
1440 QETH_DBF_TEXT(trace, 2, "ckidxres");
1441 QETH_DBF_TEXT(trace, 2, " idxterm");
1442 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1449 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1451 struct qeth_card *card;
1454 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1455 if (channel->state == CH_STATE_DOWN) {
1456 channel->state = CH_STATE_ACTIVATING;
1460 card = CARD_FROM_CDEV(channel->ccwdev);
1461 if (qeth_check_idx_response(iob->data)) {
1464 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1465 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1466 "reply\n", CARD_RDEV_ID(card));
1471 * temporary fix for microcode bug
1472 * to revert it,replace OR by AND
1474 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1475 (card->info.type == QETH_CARD_TYPE_OSAE) )
1476 card->info.portname_required = 1;
1478 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1479 if (temp != qeth_peer_func_level(card->info.func_level)) {
1480 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1481 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1482 CARD_RDEV_ID(card), card->info.func_level, temp);
1485 memcpy(&card->token.issuer_rm_r,
1486 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1487 QETH_MPC_TOKEN_LENGTH);
1488 memcpy(&card->info.mcl_level[0],
1489 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1490 channel->state = CH_STATE_UP;
1492 qeth_release_buffer(channel,iob);
1496 qeth_issue_next_read(struct qeth_card *card)
1499 struct qeth_cmd_buffer *iob;
1501 QETH_DBF_TEXT(trace,5,"issnxrd");
1502 if (card->read.state != CH_STATE_UP)
1504 iob = qeth_get_buffer(&card->read);
1506 PRINT_WARN("issue_next_read failed: no iob available!\n");
1509 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1510 wait_event(card->wait_q,
1511 atomic_compare_and_swap(0,1,&card->read.irq_pending) == 0);
1512 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1513 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1514 (addr_t) iob, 0, 0);
1516 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1517 atomic_set(&card->read.irq_pending, 0);
1518 qeth_schedule_recovery(card);
1519 wake_up(&card->wait_q);
1524 static struct qeth_reply *
1525 qeth_alloc_reply(struct qeth_card *card)
1527 struct qeth_reply *reply;
1529 reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1531 memset(reply, 0, sizeof(struct qeth_reply));
1532 atomic_set(&reply->refcnt, 1);
1539 qeth_get_reply(struct qeth_reply *reply)
1541 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1542 atomic_inc(&reply->refcnt);
1546 qeth_put_reply(struct qeth_reply *reply)
1548 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1549 if (atomic_dec_and_test(&reply->refcnt))
1554 qeth_cmd_timeout(unsigned long data)
1556 struct qeth_reply *reply, *list_reply, *r;
1557 unsigned long flags;
1559 reply = (struct qeth_reply *) data;
1560 spin_lock_irqsave(&reply->card->lock, flags);
1561 list_for_each_entry_safe(list_reply, r,
1562 &reply->card->cmd_waiter_list, list) {
1563 if (reply == list_reply){
1564 qeth_get_reply(reply);
1565 list_del_init(&reply->list);
1566 spin_unlock_irqrestore(&reply->card->lock, flags);
1568 reply->received = 1;
1569 wake_up(&reply->wait_q);
1570 qeth_put_reply(reply);
1574 spin_unlock_irqrestore(&reply->card->lock, flags);
1578 qeth_reset_ip_addresses(struct qeth_card *card)
1580 QETH_DBF_TEXT(trace, 2, "rstipadd");
1582 qeth_clear_ip_list(card, 0, 1);
1583 /* this function will also schedule the SET_IP_THREAD */
1584 qeth_set_multicast_list(card->dev);
1587 static struct qeth_ipa_cmd *
1588 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1590 struct qeth_ipa_cmd *cmd = NULL;
1592 QETH_DBF_TEXT(trace,5,"chkipad");
1593 if (IS_IPA(iob->data)){
1594 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1595 if (IS_IPA_REPLY(cmd))
1598 switch (cmd->hdr.command) {
1599 case IPA_CMD_STOPLAN:
1600 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1601 "there is a network problem or "
1602 "someone pulled the cable or "
1603 "disabled the port.\n",
1606 card->lan_online = 0;
1607 netif_carrier_off(card->dev);
1609 case IPA_CMD_STARTLAN:
1610 PRINT_INFO("Link reestablished on %s "
1611 "(CHPID 0x%X). Scheduling "
1612 "IP address reset.\n",
1615 card->lan_online = 1;
1616 netif_carrier_on(card->dev);
1617 qeth_reset_ip_addresses(card);
1619 case IPA_CMD_REGISTER_LOCAL_ADDR:
1620 QETH_DBF_TEXT(trace,3, "irla");
1622 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1623 PRINT_WARN("probably problem on %s: "
1624 "received IPA command 0x%X\n",
1629 PRINT_WARN("Received data is IPA "
1630 "but not a reply!\n");
1639 * wake all waiting ipa commands
1642 qeth_clear_ipacmd_list(struct qeth_card *card)
1644 struct qeth_reply *reply, *r;
1645 unsigned long flags;
1647 QETH_DBF_TEXT(trace, 4, "clipalst");
1649 spin_lock_irqsave(&card->lock, flags);
1650 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1651 qeth_get_reply(reply);
1653 reply->received = 1;
1654 list_del_init(&reply->list);
1655 wake_up(&reply->wait_q);
1656 qeth_put_reply(reply);
1658 spin_unlock_irqrestore(&card->lock, flags);
1662 qeth_send_control_data_cb(struct qeth_channel *channel,
1663 struct qeth_cmd_buffer *iob)
1665 struct qeth_card *card;
1666 struct qeth_reply *reply, *r;
1667 struct qeth_ipa_cmd *cmd;
1668 unsigned long flags;
1671 QETH_DBF_TEXT(trace,4,"sndctlcb");
1673 card = CARD_FROM_CDEV(channel->ccwdev);
1674 if (qeth_check_idx_response(iob->data)) {
1675 qeth_clear_ipacmd_list(card);
1676 qeth_schedule_recovery(card);
1680 cmd = qeth_check_ipa_data(card, iob);
1681 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1684 spin_lock_irqsave(&card->lock, flags);
1685 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1686 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1687 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1688 qeth_get_reply(reply);
1689 list_del_init(&reply->list);
1690 spin_unlock_irqrestore(&card->lock, flags);
1692 if (reply->callback != NULL) {
1694 reply->offset = (__u16)((char*)cmd -
1696 keep_reply = reply->callback(card,
1698 (unsigned long)cmd);
1701 keep_reply = reply->callback(card,
1703 (unsigned long)iob);
1706 reply->rc = (s16) cmd->hdr.return_code;
1708 reply->rc = iob->rc;
1710 spin_lock_irqsave(&card->lock, flags);
1711 list_add_tail(&reply->list,
1712 &card->cmd_waiter_list);
1713 spin_unlock_irqrestore(&card->lock, flags);
1715 reply->received = 1;
1716 wake_up(&reply->wait_q);
1718 qeth_put_reply(reply);
1722 spin_unlock_irqrestore(&card->lock, flags);
1724 memcpy(&card->seqno.pdu_hdr_ack,
1725 QETH_PDU_HEADER_SEQ_NO(iob->data),
1726 QETH_SEQ_NO_LENGTH);
1727 qeth_release_buffer(channel,iob);
1731 qeth_send_control_data(struct qeth_card *card, int len,
1732 struct qeth_cmd_buffer *iob,
1734 (struct qeth_card *, struct qeth_reply*, unsigned long),
1739 unsigned long flags;
1740 struct qeth_reply *reply;
1741 struct timer_list timer;
1743 QETH_DBF_TEXT(trace, 2, "sendctl");
1745 qeth_setup_ccw(&card->write,iob->data,len);
1747 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1748 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1749 card->seqno.trans_hdr++;
1751 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1752 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1753 card->seqno.pdu_hdr++;
1754 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1755 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1756 iob->callback = qeth_release_buffer;
1758 reply = qeth_alloc_reply(card);
1760 PRINT_WARN("Could no alloc qeth_reply!\n");
1763 reply->callback = reply_cb;
1764 reply->param = reply_param;
1765 if (card->state == CARD_STATE_DOWN)
1766 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1768 reply->seqno = card->seqno.ipa++;
1770 timer.function = qeth_cmd_timeout;
1771 timer.data = (unsigned long) reply;
1772 if (IS_IPA(iob->data))
1773 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1775 timer.expires = jiffies + QETH_TIMEOUT;
1776 init_waitqueue_head(&reply->wait_q);
1777 spin_lock_irqsave(&card->lock, flags);
1778 list_add_tail(&reply->list, &card->cmd_waiter_list);
1779 spin_unlock_irqrestore(&card->lock, flags);
1780 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1781 wait_event(card->wait_q,
1782 atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0);
1783 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1784 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1785 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1786 (addr_t) iob, 0, 0);
1787 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1789 PRINT_WARN("qeth_send_control_data: "
1790 "ccw_device_start rc = %i\n", rc);
1791 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1792 spin_lock_irqsave(&card->lock, flags);
1793 list_del_init(&reply->list);
1794 qeth_put_reply(reply);
1795 spin_unlock_irqrestore(&card->lock, flags);
1796 qeth_release_buffer(iob->channel, iob);
1797 atomic_set(&card->write.irq_pending, 0);
1798 wake_up(&card->wait_q);
1802 wait_event(reply->wait_q, reply->received);
1803 del_timer_sync(&timer);
1805 qeth_put_reply(reply);
1810 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1812 (struct qeth_card *,struct qeth_reply*, unsigned long),
1818 QETH_DBF_TEXT(trace,4,"sendipa");
1820 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1822 if (card->options.layer2)
1823 prot_type = QETH_PROT_LAYER2;
1825 prot_type = QETH_PROT_TCPIP;
1827 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1828 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1829 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1831 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1832 reply_cb, reply_param);
1838 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1841 struct qeth_cmd_buffer *iob;
1843 QETH_DBF_TEXT(setup, 2, "cmenblcb");
1845 iob = (struct qeth_cmd_buffer *) data;
1846 memcpy(&card->token.cm_filter_r,
1847 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
1848 QETH_MPC_TOKEN_LENGTH);
1849 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1854 qeth_cm_enable(struct qeth_card *card)
1857 struct qeth_cmd_buffer *iob;
1859 QETH_DBF_TEXT(setup,2,"cmenable");
1861 iob = qeth_wait_for_buffer(&card->write);
1862 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
1863 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
1864 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
1865 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
1866 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
1868 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
1869 qeth_cm_enable_cb, NULL);
1874 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
1878 struct qeth_cmd_buffer *iob;
1880 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
1882 iob = (struct qeth_cmd_buffer *) data;
1883 memcpy(&card->token.cm_connection_r,
1884 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
1885 QETH_MPC_TOKEN_LENGTH);
1886 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1891 qeth_cm_setup(struct qeth_card *card)
1894 struct qeth_cmd_buffer *iob;
1896 QETH_DBF_TEXT(setup,2,"cmsetup");
1898 iob = qeth_wait_for_buffer(&card->write);
1899 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
1900 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
1901 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
1902 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
1903 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
1904 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
1905 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
1906 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
1907 qeth_cm_setup_cb, NULL);
1913 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1917 __u16 mtu, framesize;
1920 struct qeth_cmd_buffer *iob;
1922 QETH_DBF_TEXT(setup, 2, "ulpenacb");
1924 iob = (struct qeth_cmd_buffer *) data;
1925 memcpy(&card->token.ulp_filter_r,
1926 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
1927 QETH_MPC_TOKEN_LENGTH);
1928 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
1929 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
1930 mtu = qeth_get_mtu_outof_framesize(framesize);
1933 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1936 card->info.max_mtu = mtu;
1937 card->info.initial_mtu = mtu;
1938 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
1940 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
1941 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
1942 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
1945 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
1946 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
1948 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
1949 card->info.link_type = link_type;
1951 card->info.link_type = 0;
1952 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1957 qeth_ulp_enable(struct qeth_card *card)
1961 struct qeth_cmd_buffer *iob;
1963 /*FIXME: trace view callbacks*/
1964 QETH_DBF_TEXT(setup,2,"ulpenabl");
1966 iob = qeth_wait_for_buffer(&card->write);
1967 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
1969 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
1970 (__u8) card->info.portno;
1971 if (card->options.layer2)
1972 prot_type = QETH_PROT_LAYER2;
1974 prot_type = QETH_PROT_TCPIP;
1976 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
1977 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
1978 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
1979 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
1980 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
1981 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
1982 card->info.portname, 9);
1983 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
1984 qeth_ulp_enable_cb, NULL);
1990 __raw_devno_from_bus_id(char *id)
1992 id += (strlen(id) - 4);
1993 return (__u16) simple_strtoul(id, &id, 16);
1997 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2000 struct qeth_cmd_buffer *iob;
2002 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2004 iob = (struct qeth_cmd_buffer *) data;
2005 memcpy(&card->token.ulp_connection_r,
2006 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2007 QETH_MPC_TOKEN_LENGTH);
2008 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2013 qeth_ulp_setup(struct qeth_card *card)
2017 struct qeth_cmd_buffer *iob;
2019 QETH_DBF_TEXT(setup,2,"ulpsetup");
2021 iob = qeth_wait_for_buffer(&card->write);
2022 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2024 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2025 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2026 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2027 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2028 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2029 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2031 temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2032 memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2033 temp = (card->info.cula << 8) + card->info.unit_addr2;
2034 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2035 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2036 qeth_ulp_setup_cb, NULL);
2041 qeth_check_for_inbound_error(struct qeth_qdio_buffer *buf,
2042 unsigned int qdio_error,
2043 unsigned int siga_error)
2047 if (qdio_error || siga_error) {
2048 QETH_DBF_TEXT(trace, 2, "qdinerr");
2049 QETH_DBF_TEXT(qerr, 2, "qdinerr");
2050 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2051 buf->buffer->element[15].flags & 0xff);
2052 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2053 buf->buffer->element[14].flags & 0xff);
2054 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2055 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2061 static inline struct sk_buff *
2062 qeth_get_skb(unsigned int length)
2064 struct sk_buff* skb;
2065 #ifdef CONFIG_QETH_VLAN
2066 if ((skb = dev_alloc_skb(length + VLAN_HLEN)))
2067 skb_reserve(skb, VLAN_HLEN);
2069 skb = dev_alloc_skb(length);
2074 static inline struct sk_buff *
2075 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2076 struct qdio_buffer_element **__element, int *__offset,
2077 struct qeth_hdr **hdr)
2079 struct qdio_buffer_element *element = *__element;
2080 int offset = *__offset;
2081 struct sk_buff *skb = NULL;
2086 QETH_DBF_TEXT(trace,6,"nextskb");
2087 /* qeth_hdr must not cross element boundaries */
2088 if (element->length < offset + sizeof(struct qeth_hdr)){
2089 if (qeth_is_last_sbale(element))
2093 if (element->length < sizeof(struct qeth_hdr))
2096 *hdr = element->addr + offset;
2098 offset += sizeof(struct qeth_hdr);
2099 if (card->options.layer2)
2100 skb_len = (*hdr)->hdr.l2.pkt_length;
2102 skb_len = (*hdr)->hdr.l3.length;
2106 if (card->options.fake_ll){
2107 if (!(skb = qeth_get_skb(skb_len + QETH_FAKE_LL_LEN)))
2109 skb_pull(skb, QETH_FAKE_LL_LEN);
2110 } else if (!(skb = qeth_get_skb(skb_len)))
2112 data_ptr = element->addr + offset;
2114 data_len = min(skb_len, (int)(element->length - offset));
2116 memcpy(skb_put(skb, data_len), data_ptr, data_len);
2117 skb_len -= data_len;
2119 if (qeth_is_last_sbale(element)){
2120 QETH_DBF_TEXT(trace,4,"unexeob");
2121 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2122 QETH_DBF_TEXT(qerr,2,"unexeob");
2123 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2124 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2125 dev_kfree_skb_any(skb);
2126 card->stats.rx_errors++;
2131 data_ptr = element->addr;
2136 *__element = element;
2140 if (net_ratelimit()){
2141 PRINT_WARN("No memory for packet received on %s.\n",
2142 card->info.if_name);
2143 QETH_DBF_TEXT(trace,2,"noskbmem");
2144 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2146 card->stats.rx_dropped++;
2150 static inline unsigned short
2151 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2153 struct qeth_card *card;
2156 QETH_DBF_TEXT(trace,6,"typtrans");
2158 card = (struct qeth_card *)dev->priv;
2160 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2161 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2162 return tr_type_trans(skb,dev);
2163 #endif /* CONFIG_TR */
2164 skb->mac.raw = skb->data;
2165 skb_pull(skb, ETH_HLEN );
2168 if (*eth->h_dest & 1) {
2169 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2170 skb->pkt_type = PACKET_BROADCAST;
2172 skb->pkt_type = PACKET_MULTICAST;
2173 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2174 skb->pkt_type = PACKET_OTHERHOST;
2176 if (ntohs(eth->h_proto) >= 1536)
2177 return eth->h_proto;
2178 if (*(unsigned short *) (skb->data) == 0xFFFF)
2179 return htons(ETH_P_802_3);
2180 return htons(ETH_P_802_2);
2184 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2185 struct qeth_hdr *hdr)
2187 struct ethhdr *fake_hdr;
2188 struct iphdr *ip_hdr;
2190 QETH_DBF_TEXT(trace,5,"skbfake");
2191 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN;
2192 /* this is a fake ethernet header */
2193 fake_hdr = (struct ethhdr *) skb->mac.raw;
2195 /* the destination MAC address */
2196 switch (skb->pkt_type){
2197 case PACKET_MULTICAST:
2198 switch (skb->protocol){
2199 #ifdef CONFIG_QETH_IPV6
2200 case __constant_htons(ETH_P_IPV6):
2201 ndisc_mc_map((struct in6_addr *)
2202 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2203 fake_hdr->h_dest, card->dev, 0);
2205 #endif /* CONFIG_QETH_IPV6 */
2206 case __constant_htons(ETH_P_IP):
2207 ip_hdr = (struct iphdr *)skb->data;
2208 if (card->dev->type == ARPHRD_IEEE802_TR)
2209 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2211 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2214 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2217 case PACKET_BROADCAST:
2218 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2221 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2223 /* the source MAC address */
2224 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2225 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2227 memset(fake_hdr->h_source, 0, ETH_ALEN);
2229 fake_hdr->h_proto = skb->protocol;
2233 qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb,
2234 struct qeth_hdr *hdr)
2236 #ifdef CONFIG_QETH_VLAN
2239 if (hdr->hdr.l3.ext_flags &
2240 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2241 vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
2242 *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2243 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2244 *(vlan_tag + 1) = skb->protocol;
2245 skb->protocol = __constant_htons(ETH_P_8021Q);
2247 #endif /* CONFIG_QETH_VLAN */
2251 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2252 struct qeth_hdr *hdr)
2254 unsigned short vlan_id = 0;
2256 skb->pkt_type = PACKET_HOST;
2257 if (card->options.checksum_type == NO_CHECKSUMMING)
2258 skb->ip_summed = CHECKSUM_UNNECESSARY;
2260 skb->ip_summed = CHECKSUM_NONE;
2261 #ifdef CONFIG_QETH_VLAN
2262 if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) {
2263 skb_pull(skb, VLAN_HLEN);
2264 vlan_id = hdr->hdr.l2.vlan_id;
2267 skb->protocol = qeth_type_trans(skb, skb->dev);
2272 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2273 struct qeth_hdr *hdr)
2275 #ifdef CONFIG_QETH_IPV6
2276 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2277 skb->pkt_type = PACKET_HOST;
2278 skb->protocol = qeth_type_trans(skb, card->dev);
2281 #endif /* CONFIG_QETH_IPV6 */
2282 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2284 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2285 case QETH_CAST_UNICAST:
2286 skb->pkt_type = PACKET_HOST;
2288 case QETH_CAST_MULTICAST:
2289 skb->pkt_type = PACKET_MULTICAST;
2290 card->stats.multicast++;
2292 case QETH_CAST_BROADCAST:
2293 skb->pkt_type = PACKET_BROADCAST;
2294 card->stats.multicast++;
2296 case QETH_CAST_ANYCAST:
2297 case QETH_CAST_NOCAST:
2299 skb->pkt_type = PACKET_HOST;
2301 qeth_rebuild_skb_vlan(card, skb, hdr);
2302 if (card->options.fake_ll)
2303 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2305 skb->mac.raw = skb->data;
2306 skb->ip_summed = card->options.checksum_type;
2307 if (card->options.checksum_type == HW_CHECKSUMMING){
2308 if ( (hdr->hdr.l3.ext_flags &
2309 (QETH_HDR_EXT_CSUM_HDR_REQ |
2310 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2311 (QETH_HDR_EXT_CSUM_HDR_REQ |
2312 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2313 skb->ip_summed = CHECKSUM_UNNECESSARY;
2315 skb->ip_summed = SW_CHECKSUMMING;
2320 qeth_process_inbound_buffer(struct qeth_card *card,
2321 struct qeth_qdio_buffer *buf, int index)
2323 struct qdio_buffer_element *element;
2324 struct sk_buff *skb;
2325 struct qeth_hdr *hdr;
2330 /* get first element of current buffer */
2331 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2333 #ifdef CONFIG_QETH_PERF_STATS
2334 card->perf_stats.bufs_rec++;
2336 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2338 skb->dev = card->dev;
2339 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2340 vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
2342 qeth_rebuild_skb(card, skb, hdr);
2343 /* is device UP ? */
2344 if (!(card->dev->flags & IFF_UP)){
2345 dev_kfree_skb_any(skb);
2348 #ifdef CONFIG_QETH_VLAN
2350 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2353 rxrc = netif_rx(skb);
2354 card->dev->last_rx = jiffies;
2355 card->stats.rx_packets++;
2356 card->stats.rx_bytes += skb->len;
2360 static inline struct qeth_buffer_pool_entry *
2361 qeth_get_buffer_pool_entry(struct qeth_card *card)
2363 struct qeth_buffer_pool_entry *entry;
2365 QETH_DBF_TEXT(trace, 6, "gtbfplen");
2366 if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2367 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2368 struct qeth_buffer_pool_entry, list);
2369 list_del_init(&entry->list);
2376 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2378 struct qeth_buffer_pool_entry *pool_entry;
2381 pool_entry = qeth_get_buffer_pool_entry(card);
2383 * since the buffer is accessed only from the input_tasklet
2384 * there shouldn't be a need to synchronize; also, since we use
2385 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2388 BUG_ON(!pool_entry);
2390 buf->pool_entry = pool_entry;
2391 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2392 buf->buffer->element[i].length = PAGE_SIZE;
2393 buf->buffer->element[i].addr = pool_entry->elements[i];
2394 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2395 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2397 buf->buffer->element[i].flags = 0;
2399 buf->state = QETH_QDIO_BUF_EMPTY;
2403 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2404 struct qeth_qdio_out_buffer *buf)
2407 struct sk_buff *skb;
2409 /* is PCI flag set on buffer? */
2410 if (buf->buffer->element[0].flags & 0x40)
2411 atomic_dec(&queue->set_pci_flags_count);
2413 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2414 buf->buffer->element[i].length = 0;
2415 buf->buffer->element[i].addr = NULL;
2416 buf->buffer->element[i].flags = 0;
2417 while ((skb = skb_dequeue(&buf->skb_list))){
2418 atomic_dec(&skb->users);
2419 dev_kfree_skb_any(skb);
2422 buf->next_element_to_fill = 0;
2423 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2427 qeth_queue_input_buffer(struct qeth_card *card, int index)
2429 struct qeth_qdio_q *queue = card->qdio.in_q;
2434 QETH_DBF_TEXT(trace,6,"queinbuf");
2435 count = (index < queue->next_buf_to_init)?
2436 card->qdio.in_buf_pool.buf_count -
2437 (queue->next_buf_to_init - index) :
2438 card->qdio.in_buf_pool.buf_count -
2439 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2440 /* only requeue at a certain threshold to avoid SIGAs */
2441 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2442 for (i = queue->next_buf_to_init;
2443 i < queue->next_buf_to_init + count; ++i)
2444 qeth_init_input_buffer(card,
2445 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2447 * according to old code it should be avoided to requeue all
2448 * 128 buffers in order to benefit from PCI avoidance.
2449 * this function keeps at least one buffer (the buffer at
2450 * 'index') un-requeued -> this buffer is the first buffer that
2451 * will be requeued the next time
2453 #ifdef CONFIG_QETH_PERF_STATS
2454 card->perf_stats.inbound_do_qdio_cnt++;
2455 card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros();
2457 rc = do_QDIO(CARD_DDEV(card),
2458 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2459 0, queue->next_buf_to_init, count, NULL);
2460 #ifdef CONFIG_QETH_PERF_STATS
2461 card->perf_stats.inbound_do_qdio_time += qeth_get_micros() -
2462 card->perf_stats.inbound_do_qdio_start_time;
2465 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2466 "return %i (device %s).\n",
2467 rc, CARD_DDEV_ID(card));
2468 QETH_DBF_TEXT(trace,2,"qinberr");
2469 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2471 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2472 QDIO_MAX_BUFFERS_PER_Q;
2477 qeth_put_buffer_pool_entry(struct qeth_card *card,
2478 struct qeth_buffer_pool_entry *entry)
2480 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2481 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2485 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2486 unsigned int qdio_err, unsigned int siga_err,
2487 unsigned int queue, int first_element, int count,
2488 unsigned long card_ptr)
2490 struct net_device *net_dev;
2491 struct qeth_card *card;
2492 struct qeth_qdio_buffer *buffer;
2496 QETH_DBF_TEXT(trace, 6, "qdinput");
2497 card = (struct qeth_card *) card_ptr;
2498 net_dev = card->dev;
2499 #ifdef CONFIG_QETH_PERF_STATS
2500 card->perf_stats.inbound_cnt++;
2501 card->perf_stats.inbound_start_time = qeth_get_micros();
2503 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2504 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2505 QETH_DBF_TEXT(trace, 1,"qdinchk");
2506 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2507 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2508 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2509 qeth_schedule_recovery(card);
2513 for (i = first_element; i < (first_element + count); ++i) {
2514 index = i % QDIO_MAX_BUFFERS_PER_Q;
2515 buffer = &card->qdio.in_q->bufs[index];
2516 if (!((status == QDIO_STATUS_LOOK_FOR_ERROR) &&
2517 qeth_check_for_inbound_error(buffer, qdio_err, siga_err)))
2518 qeth_process_inbound_buffer(card, buffer, index);
2519 /* clear buffer and give back to hardware */
2520 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2521 qeth_queue_input_buffer(card, index);
2523 #ifdef CONFIG_QETH_PERF_STATS
2524 card->perf_stats.inbound_time += qeth_get_micros() -
2525 card->perf_stats.inbound_start_time;
2530 qeth_handle_send_error(struct qeth_card *card,
2531 struct qeth_qdio_out_buffer *buffer,
2532 int qdio_err, int siga_err)
2534 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2535 int cc = siga_err & 3;
2537 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2541 QETH_DBF_TEXT(trace, 1,"lnkfail");
2542 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2543 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2544 (u16)qdio_err, (u8)sbalf15);
2545 return QETH_SEND_ERROR_LINK_FAILURE;
2547 return QETH_SEND_ERROR_NONE;
2549 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2550 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2551 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2552 return QETH_SEND_ERROR_KICK_IT;
2554 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2555 return QETH_SEND_ERROR_RETRY;
2556 return QETH_SEND_ERROR_LINK_FAILURE;
2557 /* look at qdio_error and sbalf 15 */
2559 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2560 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2561 return QETH_SEND_ERROR_LINK_FAILURE;
2563 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2564 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2565 return QETH_SEND_ERROR_KICK_IT;
2567 return QETH_SEND_ERROR_LINK_FAILURE;
2571 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2572 int index, int count)
2574 struct qeth_qdio_out_buffer *buf;
2578 QETH_DBF_TEXT(trace, 6, "flushbuf");
2580 for (i = index; i < index + count; ++i) {
2581 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2582 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2583 SBAL_FLAGS_LAST_ENTRY;
2585 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2588 if (!queue->do_pack){
2589 if ((atomic_read(&queue->used_buffers) >=
2590 (QETH_HIGH_WATERMARK_PACK -
2591 QETH_WATERMARK_PACK_FUZZ)) &&
2592 !atomic_read(&queue->set_pci_flags_count)){
2593 /* it's likely that we'll go to packing
2595 atomic_inc(&queue->set_pci_flags_count);
2596 buf->buffer->element[0].flags |= 0x40;
2599 if (!atomic_read(&queue->set_pci_flags_count)){
2601 * there's no outstanding PCI any more, so we
2602 * have to request a PCI to be sure the the PCI
2603 * will wake at some time in the future then we
2604 * can flush packed buffers that might still be
2605 * hanging around, which can happen if no
2606 * further send was requested by the stack
2608 atomic_inc(&queue->set_pci_flags_count);
2609 buf->buffer->element[0].flags |= 0x40;
2611 #ifdef CONFIG_QETH_PERF_STATS
2612 queue->card->perf_stats.bufs_sent_pack++;
2617 queue->card->dev->trans_start = jiffies;
2618 #ifdef CONFIG_QETH_PERF_STATS
2619 queue->card->perf_stats.outbound_do_qdio_cnt++;
2620 queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros();
2623 rc = do_QDIO(CARD_DDEV(queue->card),
2624 QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2625 queue->queue_no, index, count, NULL);
2627 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2628 queue->queue_no, index, count, NULL);
2629 #ifdef CONFIG_QETH_PERF_STATS
2630 queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() -
2631 queue->card->perf_stats.outbound_do_qdio_start_time;
2634 QETH_DBF_SPRINTF(trace, 0, "qeth_flush_buffers: do_QDIO "
2635 "returned error (%i) on device %s.",
2636 rc, CARD_DDEV_ID(queue->card));
2637 QETH_DBF_TEXT(trace, 2, "flushbuf");
2638 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2639 queue->card->stats.tx_errors += count;
2640 /* this must not happen under normal circumstances. if it
2641 * happens something is really wrong -> recover */
2642 qeth_schedule_recovery(queue->card);
2645 atomic_add(count, &queue->used_buffers);
2646 #ifdef CONFIG_QETH_PERF_STATS
2647 queue->card->perf_stats.bufs_sent += count;
2652 * Switched to packing state if the number of used buffers on a queue
2653 * reaches a certain limit.
2656 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2658 if (!queue->do_pack) {
2659 if (atomic_read(&queue->used_buffers)
2660 >= QETH_HIGH_WATERMARK_PACK){
2661 /* switch non-PACKING -> PACKING */
2662 QETH_DBF_TEXT(trace, 6, "np->pack");
2663 #ifdef CONFIG_QETH_PERF_STATS
2664 queue->card->perf_stats.sc_dp_p++;
2672 * Switches from packing to non-packing mode. If there is a packing
2673 * buffer on the queue this buffer will be prepared to be flushed.
2674 * In that case 1 is returned to inform the caller. If no buffer
2675 * has to be flushed, zero is returned.
2678 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2680 struct qeth_qdio_out_buffer *buffer;
2681 int flush_count = 0;
2683 if (queue->do_pack) {
2684 if (atomic_read(&queue->used_buffers)
2685 <= QETH_LOW_WATERMARK_PACK) {
2686 /* switch PACKING -> non-PACKING */
2687 QETH_DBF_TEXT(trace, 6, "pack->np");
2688 #ifdef CONFIG_QETH_PERF_STATS
2689 queue->card->perf_stats.sc_p_dp++;
2692 /* flush packing buffers */
2693 buffer = &queue->bufs[queue->next_buf_to_fill];
2694 if ((atomic_read(&buffer->state) ==
2695 QETH_QDIO_BUF_EMPTY) &&
2696 (buffer->next_element_to_fill > 0)) {
2697 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2699 queue->next_buf_to_fill =
2700 (queue->next_buf_to_fill + 1) %
2701 QDIO_MAX_BUFFERS_PER_Q;
2709 * Called to flush a packing buffer if no more pci flags are on the queue.
2710 * Checks if there is a packing buffer and prepares it to be flushed.
2711 * In that case returns 1, otherwise zero.
2714 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2716 struct qeth_qdio_out_buffer *buffer;
2718 buffer = &queue->bufs[queue->next_buf_to_fill];
2719 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2720 (buffer->next_element_to_fill > 0)){
2721 /* it's a packing buffer */
2722 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2723 queue->next_buf_to_fill =
2724 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2731 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2737 * check if weed have to switch to non-packing mode or if
2738 * we have to get a pci flag out on the queue
2740 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2741 !atomic_read(&queue->set_pci_flags_count)){
2742 if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2743 QETH_OUT_Q_UNLOCKED) {
2745 * If we get in here, there was no action in
2746 * do_send_packet. So, we check if there is a
2747 * packing buffer to be flushed here.
2749 /* TODO: try if we get a performance improvement
2750 * by calling netif_stop_queue here */
2751 /* save start index for flushing */
2752 index = queue->next_buf_to_fill;
2753 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
2755 !atomic_read(&queue->set_pci_flags_count))
2757 qeth_flush_buffers_on_no_pci(queue);
2758 /* were done with updating critical queue members */
2759 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
2760 /* flushing can be done outside the lock */
2762 qeth_flush_buffers(queue, 1, index, flush_cnt);
2768 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
2769 unsigned int qdio_error, unsigned int siga_error,
2770 unsigned int __queue, int first_element, int count,
2771 unsigned long card_ptr)
2773 struct qeth_card *card = (struct qeth_card *) card_ptr;
2774 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
2775 struct qeth_qdio_out_buffer *buffer;
2778 QETH_DBF_TEXT(trace, 6, "qdouhdl");
2779 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2780 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2781 QETH_DBF_SPRINTF(trace, 2, "On device %s: "
2782 "received active check "
2783 "condition (0x%08x).",
2784 CARD_BUS_ID(card), status);
2785 QETH_DBF_TEXT(trace, 2, "chkcond");
2786 QETH_DBF_TEXT_(trace, 2, "%08x", status);
2787 netif_stop_queue(card->dev);
2788 qeth_schedule_recovery(card);
2793 #ifdef CONFIG_QETH_PERF_STATS
2794 card->perf_stats.outbound_handler_cnt++;
2795 card->perf_stats.outbound_handler_start_time = qeth_get_micros();
2797 for(i = first_element; i < (first_element + count); ++i){
2798 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2799 /*we only handle the KICK_IT error by doing a recovery */
2800 if (qeth_handle_send_error(card, buffer, qdio_error, siga_error)
2801 == QETH_SEND_ERROR_KICK_IT){
2802 netif_stop_queue(card->dev);
2803 qeth_schedule_recovery(card);
2806 qeth_clear_output_buffer(queue, buffer);
2808 atomic_sub(count, &queue->used_buffers);
2809 /* check if we need to do something on this outbound queue */
2810 if (card->info.type != QETH_CARD_TYPE_IQD)
2811 qeth_check_outbound_queue(queue);
2813 netif_wake_queue(card->dev);
2814 #ifdef CONFIG_QETH_PERF_STATS
2815 card->perf_stats.outbound_handler_time += qeth_get_micros() -
2816 card->perf_stats.outbound_handler_start_time;
2821 qeth_create_qib_param_field(struct qeth_card *card)
2825 param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
2830 memset(param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char));
2832 param_field[0] = _ascebc['P'];
2833 param_field[1] = _ascebc['C'];
2834 param_field[2] = _ascebc['I'];
2835 param_field[3] = _ascebc['T'];
2836 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
2837 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
2838 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
2844 qeth_initialize_working_pool_list(struct qeth_card *card)
2846 struct qeth_buffer_pool_entry *entry;
2848 QETH_DBF_TEXT(trace,5,"inwrklst");
2850 list_for_each_entry(entry,
2851 &card->qdio.init_pool.entry_list, init_list) {
2852 qeth_put_buffer_pool_entry(card,entry);
2857 qeth_clear_working_pool_list(struct qeth_card *card)
2859 struct qeth_buffer_pool_entry *pool_entry, *tmp;
2861 QETH_DBF_TEXT(trace,5,"clwrklst");
2862 list_for_each_entry_safe(pool_entry, tmp,
2863 &card->qdio.in_buf_pool.entry_list, list){
2864 list_del(&pool_entry->list);
2869 qeth_free_buffer_pool(struct qeth_card *card)
2871 struct qeth_buffer_pool_entry *pool_entry, *tmp;
2873 QETH_DBF_TEXT(trace,5,"freepool");
2874 list_for_each_entry_safe(pool_entry, tmp,
2875 &card->qdio.init_pool.entry_list, init_list){
2876 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
2877 free_page((unsigned long)pool_entry->elements[i]);
2878 list_del(&pool_entry->init_list);
2884 qeth_alloc_buffer_pool(struct qeth_card *card)
2886 struct qeth_buffer_pool_entry *pool_entry;
2890 QETH_DBF_TEXT(trace,5,"clwkpool");
2891 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
2892 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
2894 qeth_free_buffer_pool(card);
2897 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
2898 ptr = (void *) __get_free_page(GFP_KERNEL);
2901 free_page((unsigned long)
2902 pool_entry->elements[--j]);
2904 qeth_free_buffer_pool(card);
2907 pool_entry->elements[j] = ptr;
2909 list_add(&pool_entry->init_list,
2910 &card->qdio.init_pool.entry_list);
2916 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
2918 QETH_DBF_TEXT(trace, 2, "realcbp");
2920 if ((card->state != CARD_STATE_DOWN) &&
2921 (card->state != CARD_STATE_RECOVER))
2924 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
2925 qeth_clear_working_pool_list(card);
2926 qeth_free_buffer_pool(card);
2927 card->qdio.in_buf_pool.buf_count = bufcnt;
2928 card->qdio.init_pool.buf_count = bufcnt;
2929 return qeth_alloc_buffer_pool(card);
2933 qeth_alloc_qdio_buffers(struct qeth_card *card)
2937 QETH_DBF_TEXT(setup, 2, "allcqdbf");
2939 if (card->qdio.state == QETH_QDIO_ALLOCATED)
2942 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), GFP_KERNEL);
2943 if (!card->qdio.in_q)
2945 QETH_DBF_TEXT(setup, 2, "inq");
2946 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
2947 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
2948 /* give inbound qeth_qdio_buffers their qdio_buffers */
2949 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
2950 card->qdio.in_q->bufs[i].buffer =
2951 &card->qdio.in_q->qdio_bufs[i];
2952 /* inbound buffer pool */
2953 if (qeth_alloc_buffer_pool(card)){
2954 kfree(card->qdio.in_q);
2959 kmalloc(card->qdio.no_out_queues *
2960 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
2961 if (!card->qdio.out_qs){
2962 qeth_free_buffer_pool(card);
2965 for (i = 0; i < card->qdio.no_out_queues; ++i){
2966 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
2968 if (!card->qdio.out_qs[i]){
2970 kfree(card->qdio.out_qs[--i]);
2971 kfree(card->qdio.out_qs);
2974 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
2975 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
2976 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
2977 card->qdio.out_qs[i]->queue_no = i;
2978 /* give inbound qeth_qdio_buffers their qdio_buffers */
2979 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
2980 card->qdio.out_qs[i]->bufs[j].buffer =
2981 &card->qdio.out_qs[i]->qdio_bufs[j];
2982 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
2986 card->qdio.state = QETH_QDIO_ALLOCATED;
2991 qeth_free_qdio_buffers(struct qeth_card *card)
2995 QETH_DBF_TEXT(trace, 2, "freeqdbf");
2996 if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
2998 kfree(card->qdio.in_q);
2999 /* inbound buffer pool */
3000 qeth_free_buffer_pool(card);
3001 /* free outbound qdio_qs */
3002 for (i = 0; i < card->qdio.no_out_queues; ++i){
3003 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3004 qeth_clear_output_buffer(card->qdio.out_qs[i],
3005 &card->qdio.out_qs[i]->bufs[j]);
3006 kfree(card->qdio.out_qs[i]);
3008 kfree(card->qdio.out_qs);
3009 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3013 qeth_clear_qdio_buffers(struct qeth_card *card)
3017 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3018 /* clear outbound buffers to free skbs */
3019 for (i = 0; i < card->qdio.no_out_queues; ++i)
3020 if (card->qdio.out_qs[i]){
3021 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3022 qeth_clear_output_buffer(card->qdio.out_qs[i],
3023 &card->qdio.out_qs[i]->bufs[j]);
3028 qeth_init_qdio_info(struct qeth_card *card)
3030 QETH_DBF_TEXT(setup, 4, "intqdinf");
3031 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3033 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3034 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3035 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3036 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3037 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3039 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
3040 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
3044 qeth_init_qdio_queues(struct qeth_card *card)
3049 QETH_DBF_TEXT(setup, 2, "initqdqs");
3052 memset(card->qdio.in_q->qdio_bufs, 0,
3053 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3054 qeth_initialize_working_pool_list(card);
3055 /*give only as many buffers to hardware as we have buffer pool entries*/
3056 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3057 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3058 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3059 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3060 card->qdio.in_buf_pool.buf_count - 1, NULL);
3062 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3065 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3067 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3070 /* outbound queue */
3071 for (i = 0; i < card->qdio.no_out_queues; ++i){
3072 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3073 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3074 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3075 qeth_clear_output_buffer(card->qdio.out_qs[i],
3076 &card->qdio.out_qs[i]->bufs[j]);
3078 card->qdio.out_qs[i]->card = card;
3079 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3080 card->qdio.out_qs[i]->do_pack = 0;
3081 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3082 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3083 atomic_set(&card->qdio.out_qs[i]->state,
3084 QETH_OUT_Q_UNLOCKED);
3090 qeth_qdio_establish(struct qeth_card *card)
3092 struct qdio_initialize init_data;
3093 char *qib_param_field;
3094 struct qdio_buffer **in_sbal_ptrs;
3095 struct qdio_buffer **out_sbal_ptrs;
3099 QETH_DBF_TEXT(setup, 2, "qdioest");
3100 qib_param_field = qeth_create_qib_param_field(card);
3101 if (!qib_param_field)
3104 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3106 if (!in_sbal_ptrs) {
3107 kfree(qib_param_field);
3110 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3111 in_sbal_ptrs[i] = (struct qdio_buffer *)
3112 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3115 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3116 sizeof(void *), GFP_KERNEL);
3117 if (!out_sbal_ptrs) {
3118 kfree(in_sbal_ptrs);
3119 kfree(qib_param_field);
3122 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3123 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3124 out_sbal_ptrs[k] = (struct qdio_buffer *)
3125 virt_to_phys(card->qdio.out_qs[i]->
3129 memset(&init_data, 0, sizeof(struct qdio_initialize));
3130 init_data.cdev = CARD_DDEV(card);
3131 init_data.q_format = qeth_get_qdio_q_format(card);
3132 init_data.qib_param_field_format = 0;
3133 init_data.qib_param_field = qib_param_field;
3134 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3135 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3136 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3137 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3138 init_data.no_input_qs = 1;
3139 init_data.no_output_qs = card->qdio.no_out_queues;
3140 init_data.input_handler = (qdio_handler_t *)
3141 qeth_qdio_input_handler;
3142 init_data.output_handler = (qdio_handler_t *)
3143 qeth_qdio_output_handler;
3144 init_data.int_parm = (unsigned long) card;
3145 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3146 QDIO_OUTBOUND_0COPY_SBALS |
3147 QDIO_USE_OUTBOUND_PCIS;
3148 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3149 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3151 if (!(rc = qdio_initialize(&init_data)))
3152 card->qdio.state = QETH_QDIO_ESTABLISHED;
3154 kfree(out_sbal_ptrs);
3155 kfree(in_sbal_ptrs);
3156 kfree(qib_param_field);
3161 qeth_qdio_activate(struct qeth_card *card)
3163 QETH_DBF_TEXT(setup,3,"qdioact");
3164 return qdio_activate(CARD_DDEV(card), 0);
3168 qeth_clear_channel(struct qeth_channel *channel)
3170 unsigned long flags;
3171 struct qeth_card *card;
3174 QETH_DBF_TEXT(trace,3,"clearch");
3175 card = CARD_FROM_CDEV(channel->ccwdev);
3176 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3177 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3178 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3182 rc = wait_event_interruptible_timeout(card->wait_q,
3183 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3184 if (rc == -ERESTARTSYS)
3186 if (channel->state != CH_STATE_STOPPED)
3188 channel->state = CH_STATE_DOWN;
3193 qeth_halt_channel(struct qeth_channel *channel)
3195 unsigned long flags;
3196 struct qeth_card *card;
3199 QETH_DBF_TEXT(trace,3,"haltch");
3200 card = CARD_FROM_CDEV(channel->ccwdev);
3201 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3202 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3203 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3207 rc = wait_event_interruptible_timeout(card->wait_q,
3208 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3209 if (rc == -ERESTARTSYS)
3211 if (channel->state != CH_STATE_HALTED)
3217 qeth_halt_channels(struct qeth_card *card)
3221 QETH_DBF_TEXT(trace,3,"haltchs");
3222 if ((rc = qeth_halt_channel(&card->read)))
3224 if ((rc = qeth_halt_channel(&card->write)))
3226 return qeth_halt_channel(&card->data);
3229 qeth_clear_channels(struct qeth_card *card)
3233 QETH_DBF_TEXT(trace,3,"clearchs");
3234 if ((rc = qeth_clear_channel(&card->read)))
3236 if ((rc = qeth_clear_channel(&card->write)))
3238 return qeth_clear_channel(&card->data);
3242 qeth_clear_halt_card(struct qeth_card *card, int halt)
3246 QETH_DBF_TEXT(trace,3,"clhacrd");
3247 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3250 rc = qeth_halt_channels(card);
3253 return qeth_clear_channels(card);
3257 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3261 QETH_DBF_TEXT(trace,3,"qdioclr");
3262 if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3263 qdio_cleanup(CARD_DDEV(card),
3264 (card->info.type == QETH_CARD_TYPE_IQD) ?
3265 QDIO_FLAG_CLEANUP_USING_HALT :
3266 QDIO_FLAG_CLEANUP_USING_CLEAR);
3267 card->qdio.state = QETH_QDIO_ALLOCATED;
3269 rc = qeth_clear_halt_card(card, use_halt);
3270 card->state = CARD_STATE_DOWN;
3275 qeth_dm_act(struct qeth_card *card)
3278 struct qeth_cmd_buffer *iob;
3280 QETH_DBF_TEXT(setup,2,"dmact");
3282 iob = qeth_wait_for_buffer(&card->write);
3283 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3285 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3286 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3287 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3288 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3289 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3294 qeth_mpc_initialize(struct qeth_card *card)
3298 QETH_DBF_TEXT(setup,2,"mpcinit");
3300 if ((rc = qeth_issue_next_read(card))){
3301 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3304 if ((rc = qeth_cm_enable(card))){
3305 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3308 if ((rc = qeth_cm_setup(card))){
3309 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3312 if ((rc = qeth_ulp_enable(card))){
3313 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3316 if ((rc = qeth_ulp_setup(card))){
3317 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3320 if ((rc = qeth_alloc_qdio_buffers(card))){
3321 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3324 if ((rc = qeth_qdio_establish(card))){
3325 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3326 qeth_free_qdio_buffers(card);
3329 if ((rc = qeth_qdio_activate(card))){
3330 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3333 if ((rc = qeth_dm_act(card))){
3334 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3340 qeth_qdio_clear_card(card, card->info.type==QETH_CARD_TYPE_OSAE);
3344 static struct net_device *
3345 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3347 struct net_device *dev = NULL;
3350 case QETH_CARD_TYPE_OSAE:
3352 case QETH_LINK_TYPE_LANE_TR:
3353 case QETH_LINK_TYPE_HSTR:
3355 dev = alloc_trdev(0);
3356 #endif /* CONFIG_TR */
3359 dev = alloc_etherdev(0);
3362 case QETH_CARD_TYPE_IQD:
3363 dev = alloc_netdev(0, "hsi%d", ether_setup);
3366 dev = alloc_etherdev(0);
3372 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3375 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3378 struct qeth_card *card;
3380 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3381 card = (struct qeth_card *)dev->priv;
3383 card->stats.tx_dropped++;
3384 card->stats.tx_errors++;
3385 /* return OK; otherwise ksoftirqd goes to 100% */
3386 return NETDEV_TX_OK;
3388 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3389 card->stats.tx_dropped++;
3390 card->stats.tx_errors++;
3391 card->stats.tx_carrier_errors++;
3392 dev_kfree_skb_any(skb);
3393 /* return OK; otherwise ksoftirqd goes to 100% */
3394 return NETDEV_TX_OK;
3396 #ifdef CONFIG_QETH_PERF_STATS
3397 card->perf_stats.outbound_cnt++;
3398 card->perf_stats.outbound_start_time = qeth_get_micros();
3401 * We only call netif_stop_queue in case of errors. Since we've
3402 * got our own synchronization on queues we can keep the stack's
3405 if ((rc = qeth_send_packet(card, skb))){
3407 netif_stop_queue(dev);
3408 rc = NETDEV_TX_BUSY;
3410 card->stats.tx_errors++;
3411 card->stats.tx_dropped++;
3412 dev_kfree_skb_any(skb);
3413 /* set to OK; otherwise ksoftirqd goes to 100% */
3418 #ifdef CONFIG_QETH_PERF_STATS
3419 card->perf_stats.outbound_time += qeth_get_micros() -
3420 card->perf_stats.outbound_start_time;
3426 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3429 #ifdef CONFIG_QETH_VLAN
3430 struct vlan_group *vg;
3433 if (!(vg = card->vlangrp))
3436 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3437 if (vg->vlan_devices[i] == dev){
3438 rc = QETH_VLAN_CARD;
3447 qeth_verify_dev(struct net_device *dev)
3449 struct qeth_card *card;
3450 unsigned long flags;
3453 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3454 list_for_each_entry(card, &qeth_card_list.list, list){
3455 if (card->dev == dev){
3456 rc = QETH_REAL_CARD;
3459 rc = qeth_verify_vlan_dev(dev, card);
3463 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3468 static struct qeth_card *
3469 qeth_get_card_from_dev(struct net_device *dev)
3471 struct qeth_card *card = NULL;
3474 rc = qeth_verify_dev(dev);
3475 if (rc == QETH_REAL_CARD)
3476 card = (struct qeth_card *)dev->priv;
3477 else if (rc == QETH_VLAN_CARD)
3478 card = (struct qeth_card *)
3479 VLAN_DEV_INFO(dev)->real_dev->priv;
3481 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3486 qeth_tx_timeout(struct net_device *dev)
3488 struct qeth_card *card;
3490 card = (struct qeth_card *) dev->priv;
3491 card->stats.tx_errors++;
3492 qeth_schedule_recovery(card);
3496 qeth_open(struct net_device *dev)
3498 struct qeth_card *card;
3500 QETH_DBF_TEXT(trace, 4, "qethopen");
3502 card = (struct qeth_card *) dev->priv;
3504 if (card->state != CARD_STATE_SOFTSETUP)
3507 if ( (card->options.layer2) &&
3508 (!card->info.layer2_mac_registered)) {
3509 QETH_DBF_TEXT(trace,4,"nomacadr");
3512 card->dev->flags |= IFF_UP;
3513 netif_start_queue(dev);
3514 card->data.state = CH_STATE_UP;
3515 card->state = CARD_STATE_UP;
3517 if (!card->lan_online){
3518 if (netif_carrier_ok(dev))
3519 netif_carrier_off(dev);
3525 qeth_stop(struct net_device *dev)
3527 struct qeth_card *card;
3529 QETH_DBF_TEXT(trace, 4, "qethstop");
3531 card = (struct qeth_card *) dev->priv;
3533 netif_stop_queue(dev);
3534 card->dev->flags &= ~IFF_UP;
3535 if (card->state == CARD_STATE_UP)
3536 card->state = CARD_STATE_SOFTSETUP;
3541 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3543 int cast_type = RTN_UNSPEC;
3545 if (skb->dst && skb->dst->neighbour){
3546 cast_type = skb->dst->neighbour->type;
3547 if ((cast_type == RTN_BROADCAST) ||
3548 (cast_type == RTN_MULTICAST) ||
3549 (cast_type == RTN_ANYCAST))
3554 /* try something else */
3555 if (skb->protocol == ETH_P_IPV6)
3556 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3557 else if (skb->protocol == ETH_P_IP)
3558 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3560 if (!memcmp(skb->data, skb->dev->broadcast, 6))
3561 return RTN_BROADCAST;
3565 hdr_mac = *((u16 *)skb->data);
3567 switch (card->info.link_type) {
3568 case QETH_LINK_TYPE_HSTR:
3569 case QETH_LINK_TYPE_LANE_TR:
3570 if ((hdr_mac == QETH_TR_MAC_NC) ||
3571 (hdr_mac == QETH_TR_MAC_C))
3572 return RTN_MULTICAST;
3573 /* eth or so multicast? */
3575 if ((hdr_mac == QETH_ETH_MAC_V4) ||
3576 (hdr_mac == QETH_ETH_MAC_V6))
3577 return RTN_MULTICAST;
3584 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3585 int ipv, int cast_type)
3587 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3588 return card->qdio.default_out_queue;
3589 switch (card->qdio.no_out_queues) {
3591 if (cast_type && card->info.is_multicast_different)
3592 return card->info.is_multicast_different &
3593 (card->qdio.no_out_queues - 1);
3594 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3595 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3596 if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT)
3598 if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY)
3600 if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT)
3602 if (skb->nh.iph->tos & IP_TOS_LOWDELAY)
3605 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3606 return 3 - (skb->nh.iph->tos >> 6);
3607 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3610 return card->qdio.default_out_queue;
3617 qeth_get_ip_version(struct sk_buff *skb)
3619 switch (skb->protocol) {
3630 qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
3631 struct qeth_hdr **hdr, int ipv)
3633 struct sk_buff *new_skb;
3634 #ifdef CONFIG_QETH_VLAN
3638 QETH_DBF_TEXT(trace, 6, "prepskb");
3639 if (skb_headroom(*skb) < sizeof(struct qeth_hdr)){
3640 new_skb = skb_realloc_headroom(*skb, sizeof(struct qeth_hdr));
3642 PRINT_ERR("qeth_prepare_skb: could "
3643 "not realloc headroom for qeth_hdr "
3644 "on interface %s", card->info.if_name);
3649 #ifdef CONFIG_QETH_VLAN
3650 if (card->vlangrp && vlan_tx_tag_present(*skb) &&
3651 ((ipv == 6) || card->options.layer2) ) {
3653 * Move the mac addresses (6 bytes src, 6 bytes dest)
3654 * to the beginning of the new header. We are using three
3655 * memcpys instead of one memmove to save cycles.
3657 skb_push(*skb, VLAN_HLEN);
3658 memcpy((*skb)->data, (*skb)->data + 4, 4);
3659 memcpy((*skb)->data + 4, (*skb)->data + 8, 4);
3660 memcpy((*skb)->data + 8, (*skb)->data + 12, 4);
3661 tag = (u16 *)((*skb)->data + 12);
3663 * first two bytes = ETH_P_8021Q (0x8100)
3664 * second two bytes = VLANID
3666 *tag = __constant_htons(ETH_P_8021Q);
3667 *(tag + 1) = htons(vlan_tx_tag_get(*skb));
3670 *hdr = (struct qeth_hdr *) skb_push(*skb, sizeof(struct qeth_hdr));
3672 * sanity check, the Linux memory allocation scheme should
3673 * never present us cases like this one (the 32bytes header plus
3674 * the first 40 bytes of the paket cross a 4k boundary)
3676 if ((((unsigned long) *hdr) & (~(PAGE_SIZE - 1))) !=
3677 (((unsigned long) *hdr + sizeof(struct qeth_hdr) +
3678 QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
3679 PRINT_ERR("qeth_prepare_skb: misaligned "
3680 "packet on interface %s. Discarded.",
3681 card->info.if_name);
3688 qeth_get_qeth_hdr_flags4(int cast_type)
3690 if (cast_type == RTN_MULTICAST)
3691 return QETH_CAST_MULTICAST;
3692 if (cast_type == RTN_BROADCAST)
3693 return QETH_CAST_BROADCAST;
3694 return QETH_CAST_UNICAST;
3698 qeth_get_qeth_hdr_flags6(int cast_type)
3700 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3701 if (cast_type == RTN_MULTICAST)
3702 return ct | QETH_CAST_MULTICAST;
3703 if (cast_type == RTN_ANYCAST)
3704 return ct | QETH_CAST_ANYCAST;
3705 if (cast_type == RTN_BROADCAST)
3706 return ct | QETH_CAST_BROADCAST;
3707 return ct | QETH_CAST_UNICAST;
3711 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
3712 struct sk_buff *skb)
3716 if (!memcmp(skb->data+QETH_HEADER_SIZE,
3717 skb->dev->broadcast,6)) { /* broadcast? */
3718 *(__u32 *)hdr->hdr.l2.flags |=
3719 QETH_LAYER2_FLAG_BROADCAST << 8;
3722 hdr_mac=*((__u16*)skb->data);
3724 switch (card->info.link_type) {
3725 case QETH_LINK_TYPE_HSTR:
3726 case QETH_LINK_TYPE_LANE_TR:
3727 if ((hdr_mac == QETH_TR_MAC_NC) ||
3728 (hdr_mac == QETH_TR_MAC_C) )
3729 *(__u32 *)hdr->hdr.l2.flags |=
3730 QETH_LAYER2_FLAG_MULTICAST << 8;
3732 *(__u32 *)hdr->hdr.l2.flags |=
3733 QETH_LAYER2_FLAG_UNICAST << 8;
3735 /* eth or so multicast? */
3737 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
3738 (hdr_mac==QETH_ETH_MAC_V6) )
3739 *(__u32 *)hdr->hdr.l2.flags |=
3740 QETH_LAYER2_FLAG_MULTICAST << 8;
3742 *(__u32 *)hdr->hdr.l2.flags |=
3743 QETH_LAYER2_FLAG_UNICAST << 8;
3748 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
3749 struct sk_buff *skb, int cast_type)
3751 memset(hdr, 0, sizeof(struct qeth_hdr));
3752 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
3754 /* set byte 0 to "0x02" and byte 3 to casting flags */
3755 if (cast_type==RTN_MULTICAST)
3756 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
3757 else if (cast_type==RTN_BROADCAST)
3758 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
3760 qeth_layer2_get_packet_type(card, hdr, skb);
3762 hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
3763 #ifdef CONFIG_QETH_VLAN
3764 /* VSWITCH relies on the VLAN
3765 * information to be present in
3766 * the QDIO header */
3767 if ((card->vlangrp != NULL) &&
3768 vlan_tx_tag_present(skb)) {
3769 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
3770 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
3776 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
3777 struct sk_buff *skb, int ipv, int cast_type)
3779 QETH_DBF_TEXT(trace, 6, "fillhdr");
3781 if (card->options.layer2) {
3782 qeth_layer2_fill_header(card, hdr, skb, cast_type);
3785 hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
3786 hdr->hdr.l3.ext_flags = 0;
3787 #ifdef CONFIG_QETH_VLAN
3789 * before we're going to overwrite this location with next hop ip.
3790 * v6 uses passthrough, v4 sets the tag in the QDIO header.
3792 if (card->vlangrp && vlan_tx_tag_present(skb)) {
3793 hdr->hdr.l3.ext_flags = (ipv == 4) ?
3794 QETH_HDR_EXT_VLAN_FRAME :
3795 QETH_HDR_EXT_INCLUDE_VLAN_TAG;
3796 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
3798 #endif /* CONFIG_QETH_VLAN */
3799 hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
3800 if (ipv == 4) { /* IPv4 */
3801 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
3802 memset(hdr->hdr.l3.dest_addr, 0, 12);
3803 if ((skb->dst) && (skb->dst->neighbour)) {
3804 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
3805 *((u32 *) skb->dst->neighbour->primary_key);
3807 /* fill in destination address used in ip header */
3808 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
3810 } else if (ipv == 6) { /* IPv6 or passthru */
3811 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
3812 if ((skb->dst) && (skb->dst->neighbour)) {
3813 memcpy(hdr->hdr.l3.dest_addr,
3814 skb->dst->neighbour->primary_key, 16);
3816 /* fill in destination address used in ip header */
3817 memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
3819 } else { /* passthrough */
3820 if (!memcmp(skb->data + sizeof(struct qeth_hdr),
3821 skb->dev->broadcast, 6)) { /* broadcast? */
3822 hdr->hdr.l3.flags = QETH_CAST_BROADCAST | QETH_HDR_PASSTHRU;
3824 hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
3825 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
3826 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
3832 qeth_fill_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf,
3833 char *data, struct sk_buff *skb)
3835 struct qdio_buffer *buffer;
3836 int length = skb->len;
3841 QETH_DBF_TEXT(trace, 6, "qdfillbf");
3842 buffer = buf->buffer;
3843 atomic_inc(&skb->users);
3844 skb_queue_tail(&buf->skb_list, skb);
3845 element = buf->next_element_to_fill;
3846 while (length > 0) {
3847 /* length_here is the remaining amount of data in this page */
3848 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
3849 if (length < length_here)
3850 length_here = length;
3851 buffer->element[element].addr = data;
3852 buffer->element[element].length = length_here;
3853 length -= length_here;
3856 buffer->element[element].flags = 0;
3858 buffer->element[element].flags =
3859 SBAL_FLAGS_LAST_FRAG;
3862 buffer->element[element].flags =
3863 SBAL_FLAGS_FIRST_FRAG;
3865 buffer->element[element].flags =
3866 SBAL_FLAGS_MIDDLE_FRAG;
3868 data += length_here;
3872 buf->next_element_to_fill = element;
3873 if (!queue->do_pack) {
3874 QETH_DBF_TEXT(trace, 6, "fillbfnp");
3875 /* set state to PRIMED -> will be flushed */
3876 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3878 QETH_DBF_TEXT(trace, 6, "fillbfpa");
3879 #ifdef CONFIG_QETH_PERF_STATS
3880 queue->card->perf_stats.skbs_sent_pack++;
3882 if (buf->next_element_to_fill >=
3883 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
3885 * packed buffer if full -> set state PRIMED
3886 * -> will be flushed
3888 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3895 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
3896 struct sk_buff *skb, struct qeth_hdr *hdr,
3897 int elements_needed)
3899 struct qeth_qdio_out_buffer *buffer;
3902 QETH_DBF_TEXT(trace, 6, "dosndpfa");
3904 /* spin until we get the queue ... */
3905 while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED,
3908 /* ... now we've got the queue */
3909 index = queue->next_buf_to_fill;
3910 buffer = &queue->bufs[queue->next_buf_to_fill];
3912 * check if buffer is empty to make sure that we do not 'overtake'
3913 * ourselves and try to fill a buffer that is already primed
3915 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
3916 card->stats.tx_dropped++;
3917 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3920 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
3921 QDIO_MAX_BUFFERS_PER_Q;
3922 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3923 qeth_fill_buffer(queue, buffer, (char *)hdr, skb);
3924 qeth_flush_buffers(queue, 0, index, 1);
3929 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
3930 struct sk_buff *skb, struct qeth_hdr *hdr,
3931 int elements_needed)
3933 struct qeth_qdio_out_buffer *buffer;
3935 int flush_count = 0;
3938 QETH_DBF_TEXT(trace, 6, "dosndpkt");
3940 /* spin until we get the queue ... */
3941 while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED,
3944 start_index = queue->next_buf_to_fill;
3945 buffer = &queue->bufs[queue->next_buf_to_fill];
3947 * check if buffer is empty to make sure that we do not 'overtake'
3948 * ourselves and try to fill a buffer that is already primed
3950 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){
3951 card->stats.tx_dropped++;
3952 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3955 /* check if we need to switch packing state of this queue */
3956 qeth_switch_to_packing_if_needed(queue);
3957 if (queue->do_pack){
3958 /* does packet fit in current buffer? */
3959 if((QETH_MAX_BUFFER_ELEMENTS(card) -
3960 buffer->next_element_to_fill) < elements_needed){
3961 /* ... no -> set state PRIMED */
3962 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3964 queue->next_buf_to_fill =
3965 (queue->next_buf_to_fill + 1) %
3966 QDIO_MAX_BUFFERS_PER_Q;
3967 buffer = &queue->bufs[queue->next_buf_to_fill];
3968 /* we did a step forward, so check buffer state again */
3969 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){
3970 card->stats.tx_dropped++;
3971 /* return EBUSY because we sent old packet, not
3972 * the current one */
3974 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3979 qeth_fill_buffer(queue, buffer, (char *)hdr, skb);
3980 if (atomic_read(&buffer->state) == QETH_QDIO_BUF_PRIMED){
3981 /* next time fill the next buffer */
3983 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
3984 QDIO_MAX_BUFFERS_PER_Q;
3987 * queue->state will go from LOCKED -> UNLOCKED or from
3988 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
3989 * (switch packing state or flush buffer to get another pci flag out).
3990 * In that case we will enter this loop
3992 while (atomic_dec_return(&queue->state)){
3993 /* check if we can go back to non-packing state */
3994 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
3996 * check if we need to flush a packing buffer to get a pci
3997 * flag out on the queue
3999 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4000 flush_count += qeth_flush_buffers_on_no_pci(queue);
4002 /* at this point the queue is UNLOCKED again */
4005 qeth_flush_buffers(queue, 0, start_index, flush_count);
4011 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4015 struct qeth_qdio_out_q *queue;
4016 struct qeth_hdr *hdr;
4017 int elements_needed;
4020 QETH_DBF_TEXT(trace, 6, "sendpkt");
4022 if (!card->options.layer2)
4023 ipv = qeth_get_ip_version(skb);
4024 cast_type = qeth_get_cast_type(card, skb);
4025 if ((cast_type == RTN_BROADCAST) && (card->info.broadcast_capable == 0)){
4026 card->stats.tx_dropped++;
4027 card->stats.tx_errors++;
4028 dev_kfree_skb_any(skb);
4031 queue = card->qdio.out_qs
4032 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4034 if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))){
4035 QETH_DBF_TEXT_(trace, 4, "1err%d", rc);
4038 qeth_fill_header(card, hdr, skb, ipv, cast_type);
4039 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) + skb->len)
4041 if (elements_needed > QETH_MAX_BUFFER_ELEMENTS(card)){
4042 PRINT_ERR("qeth_do_send_packet: invalid size of "
4043 "IP packet. Discarded.");
4047 if (card->info.type != QETH_CARD_TYPE_IQD)
4048 rc = qeth_do_send_packet(card, queue, skb, hdr,
4051 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
4055 card->stats.tx_packets++;
4056 card->stats.tx_bytes += skb->len;
4062 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4064 struct qeth_card *card = (struct qeth_card *) dev->priv;
4068 case MII_BMCR: /* Basic mode control register */
4070 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4071 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4072 rc |= BMCR_SPEED100;
4074 case MII_BMSR: /* Basic mode status register */
4075 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4076 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4079 case MII_PHYSID1: /* PHYS ID 1 */
4080 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4082 rc = (rc >> 5) & 0xFFFF;
4084 case MII_PHYSID2: /* PHYS ID 2 */
4085 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4087 case MII_ADVERTISE: /* Advertisement control reg */
4090 case MII_LPA: /* Link partner ability reg */
4091 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4092 LPA_100BASE4 | LPA_LPACK;
4094 case MII_EXPANSION: /* Expansion register */
4096 case MII_DCOUNTER: /* disconnect counter */
4098 case MII_FCSCOUNTER: /* false carrier counter */
4100 case MII_NWAYTEST: /* N-way auto-neg test register */
4102 case MII_RERRCOUNTER: /* rx error counter */
4103 rc = card->stats.rx_errors;
4105 case MII_SREVISION: /* silicon revision */
4107 case MII_RESV1: /* reserved 1 */
4109 case MII_LBRERROR: /* loopback, rx, bypass error */
4111 case MII_PHYADDR: /* physical address */
4113 case MII_RESV2: /* reserved 2 */
4115 case MII_TPISTATUS: /* TPI status for 10mbps */
4117 case MII_NCONFIG: /* network interface config */
4127 qeth_mdio_write(struct net_device *dev, int phy_id, int regnum, int value)
4130 case MII_BMCR: /* Basic mode control register */
4131 case MII_BMSR: /* Basic mode status register */
4132 case MII_PHYSID1: /* PHYS ID 1 */
4133 case MII_PHYSID2: /* PHYS ID 2 */
4134 case MII_ADVERTISE: /* Advertisement control reg */
4135 case MII_LPA: /* Link partner ability reg */
4136 case MII_EXPANSION: /* Expansion register */
4137 case MII_DCOUNTER: /* disconnect counter */
4138 case MII_FCSCOUNTER: /* false carrier counter */
4139 case MII_NWAYTEST: /* N-way auto-neg test register */
4140 case MII_RERRCOUNTER: /* rx error counter */
4141 case MII_SREVISION: /* silicon revision */
4142 case MII_RESV1: /* reserved 1 */
4143 case MII_LBRERROR: /* loopback, rx, bypass error */
4144 case MII_PHYADDR: /* physical address */
4145 case MII_RESV2: /* reserved 2 */
4146 case MII_TPISTATUS: /* TPI status for 10mbps */
4147 case MII_NCONFIG: /* network interface config */
4153 static inline const char *
4154 qeth_arp_get_error_cause(int *rc)
4157 case QETH_IPA_ARP_RC_FAILED:
4159 return "operation failed";
4160 case QETH_IPA_ARP_RC_NOTSUPP:
4162 return "operation not supported";
4163 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4165 return "argument out of range";
4166 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4168 return "query operation not supported";
4169 case QETH_IPA_ARP_RC_Q_NO_DATA:
4171 return "no query data available";
4173 return "unknown error";
4178 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4182 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4187 QETH_DBF_TEXT(trace,3,"arpstnoe");
4189 /* TODO: really not supported by GuestLAN? */
4190 if (card->info.guestlan)
4192 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4193 PRINT_WARN("ARP processing not supported "
4194 "on %s!\n", card->info.if_name);
4197 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4198 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4202 PRINT_WARN("Could not set number of ARP entries on %s: "
4204 card->info.if_name, qeth_arp_get_error_cause(&rc),
4211 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4212 struct qeth_arp_query_data *qdata,
4213 int entry_size, int uentry_size)
4219 entry_ptr = (char *)&qdata->data;
4220 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4221 for (i = 0; i < qdata->no_entries; ++i){
4222 /* strip off 32 bytes "media specific information" */
4223 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4224 entry_ptr += entry_size;
4225 uentry_ptr += uentry_size;
4230 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4233 struct qeth_ipa_cmd *cmd;
4234 struct qeth_arp_query_data *qdata;
4235 struct qeth_arp_query_info *qinfo;
4240 QETH_DBF_TEXT(trace,4,"arpquecb");
4242 qinfo = (struct qeth_arp_query_info *) reply->param;
4243 cmd = (struct qeth_ipa_cmd *) data;
4244 if (cmd->hdr.return_code) {
4245 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4248 if (cmd->data.setassparms.hdr.return_code) {
4249 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4250 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4253 qdata = &cmd->data.setassparms.data.query_arp;
4254 switch(qdata->reply_bits){
4256 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4257 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4258 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4261 /* fall through to default */
4263 /* tr is the same as eth -> entry7 */
4264 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4265 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4266 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4269 /* check if there is enough room in userspace */
4270 if ((qinfo->udata_len - qinfo->udata_offset) <
4271 qdata->no_entries * uentry_size){
4272 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4273 cmd->hdr.return_code = -ENOMEM;
4274 PRINT_WARN("query ARP user space buffer is too small for "
4275 "the returned number of ARP entries. "
4276 "Aborting query!\n");
4279 QETH_DBF_TEXT_(trace, 4, "anore%i",
4280 cmd->data.setassparms.hdr.number_of_replies);
4281 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4282 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4284 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4285 /* strip off "media specific information" */
4286 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4289 /*copy entries to user buffer*/
4290 memcpy(qinfo->udata + qinfo->udata_offset,
4291 (char *)&qdata->data, qdata->no_entries*uentry_size);
4293 qinfo->no_entries += qdata->no_entries;
4294 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4295 /* check if all replies received ... */
4296 if (cmd->data.setassparms.hdr.seq_no <
4297 cmd->data.setassparms.hdr.number_of_replies)
4299 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4300 /* keep STRIP_ENTRIES flag so the user program can distinguish
4301 * stripped entries from normal ones */
4302 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4303 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4304 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4308 memcpy(qinfo->udata, &i, 4);
4313 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4314 int len, int (*reply_cb)(struct qeth_card *,
4315 struct qeth_reply *,
4319 QETH_DBF_TEXT(trace,4,"sendarp");
4321 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4322 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4323 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4324 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4325 reply_cb, reply_param);
4329 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4330 int len, int (*reply_cb)(struct qeth_card *,
4331 struct qeth_reply *,
4337 QETH_DBF_TEXT(trace,4,"sendsnmp");
4339 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4340 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4341 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4342 /* adjust PDU length fields in IPA_PDU_HEADER */
4343 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4345 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4346 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4347 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4348 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4349 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4350 reply_cb, reply_param);
4353 static struct qeth_cmd_buffer *
4354 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4355 __u16, __u16, enum qeth_prot_versions);
4357 qeth_arp_query(struct qeth_card *card, char *udata)
4359 struct qeth_cmd_buffer *iob;
4360 struct qeth_arp_query_info qinfo = {0, };
4364 QETH_DBF_TEXT(trace,3,"arpquery");
4367 * currently GuestLAN does only deliver all zeros on query arp,
4368 * even though arp processing is supported (according to IPA supp.
4369 * funcs flags); since all zeros is no valueable information,
4370 * we say EOPNOTSUPP for all ARP functions
4372 /*if (card->info.guestlan)
4373 return -EOPNOTSUPP; */
4374 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4375 IPA_ARP_PROCESSING)) {
4376 PRINT_WARN("ARP processing not supported "
4377 "on %s!\n", card->info.if_name);
4380 /* get size of userspace buffer and mask_bits -> 6 bytes */
4381 if (copy_from_user(&qinfo, udata, 6))
4383 if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL)))
4385 memset(qinfo.udata, 0, qinfo.udata_len);
4386 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4387 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4388 IPA_CMD_ASS_ARP_QUERY_INFO,
4389 sizeof(int),QETH_PROT_IPV4);
4391 rc = qeth_send_ipa_arp_cmd(card, iob,
4392 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4393 qeth_arp_query_cb, (void *)&qinfo);
4396 PRINT_WARN("Error while querying ARP cache on %s: %s "
4398 card->info.if_name, qeth_arp_get_error_cause(&rc),
4400 copy_to_user(udata, qinfo.udata, 4);
4402 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4409 * SNMP command callback
4412 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4413 unsigned long sdata)
4415 struct qeth_ipa_cmd *cmd;
4416 struct qeth_arp_query_info *qinfo;
4417 struct qeth_snmp_cmd *snmp;
4418 unsigned char *data;
4421 QETH_DBF_TEXT(trace,3,"snpcmdcb");
4423 cmd = (struct qeth_ipa_cmd *) sdata;
4424 data = (unsigned char *)((char *)cmd - reply->offset);
4425 qinfo = (struct qeth_arp_query_info *) reply->param;
4426 snmp = &cmd->data.setadapterparms.data.snmp;
4428 if (cmd->hdr.return_code) {
4429 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4432 if (cmd->data.setadapterparms.hdr.return_code) {
4433 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4434 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4437 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4438 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4439 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4441 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4443 /* check if there is enough room in userspace */
4444 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4445 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4446 cmd->hdr.return_code = -ENOMEM;
4449 QETH_DBF_TEXT_(trace, 4, "snore%i",
4450 cmd->data.setadapterparms.hdr.used_total);
4451 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4452 /*copy entries to user buffer*/
4453 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4454 memcpy(qinfo->udata + qinfo->udata_offset,
4456 data_len + offsetof(struct qeth_snmp_cmd,data));
4457 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4459 memcpy(qinfo->udata + qinfo->udata_offset,
4460 (char *)&snmp->request, data_len);
4462 qinfo->udata_offset += data_len;
4463 /* check if all replies received ... */
4464 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4465 cmd->data.setadapterparms.hdr.used_total);
4466 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4467 cmd->data.setadapterparms.hdr.seq_no);
4468 if (cmd->data.setadapterparms.hdr.seq_no <
4469 cmd->data.setadapterparms.hdr.used_total)
4474 static struct qeth_cmd_buffer *
4475 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4476 enum qeth_prot_versions );
4478 static struct qeth_cmd_buffer *
4479 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4481 struct qeth_cmd_buffer *iob;
4482 struct qeth_ipa_cmd *cmd;
4484 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4486 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4487 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4488 cmd->data.setadapterparms.hdr.command_code = command;
4489 cmd->data.setadapterparms.hdr.used_total = 1;
4490 cmd->data.setadapterparms.hdr.seq_no = 1;
4496 * function to send SNMP commands to OSA-E card
4499 qeth_snmp_command(struct qeth_card *card, char *udata)
4501 struct qeth_cmd_buffer *iob;
4502 struct qeth_ipa_cmd *cmd;
4503 struct qeth_snmp_ureq *ureq;
4505 struct qeth_arp_query_info qinfo = {0, };
4508 QETH_DBF_TEXT(trace,3,"snmpcmd");
4510 if (card->info.guestlan)
4512 if (!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) {
4513 PRINT_WARN("SNMP Query MIBS not supported "
4514 "on %s!\n", card->info.if_name);
4517 /* skip 4 bytes (data_len struct member) to get req_len */
4518 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4520 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4522 QETH_DBF_TEXT(trace, 2, "snmpnome");
4525 if (copy_from_user(ureq, udata,
4526 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4530 qinfo.udata_len = ureq->hdr.data_len;
4531 if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){
4535 memset(qinfo.udata, 0, qinfo.udata_len);
4536 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4538 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4539 QETH_SNMP_SETADP_CMDLENGTH + req_len);
4540 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4541 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4542 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4543 qeth_snmp_command_cb, (void *)&qinfo);
4545 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4546 card->info.if_name, rc);
4548 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4556 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
4560 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
4563 (struct qeth_card *, struct qeth_reply *, unsigned long),
4567 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
4569 struct qeth_cmd_buffer *iob;
4574 QETH_DBF_TEXT(trace,3,"arpadent");
4577 * currently GuestLAN does only deliver all zeros on query arp,
4578 * even though arp processing is supported (according to IPA supp.
4579 * funcs flags); since all zeros is no valueable information,
4580 * we say EOPNOTSUPP for all ARP functions
4582 if (card->info.guestlan)
4584 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4585 PRINT_WARN("ARP processing not supported "
4586 "on %s!\n", card->info.if_name);
4590 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4591 IPA_CMD_ASS_ARP_ADD_ENTRY,
4592 sizeof(struct qeth_arp_cache_entry),
4594 rc = qeth_send_setassparms(card, iob,
4595 sizeof(struct qeth_arp_cache_entry),
4596 (unsigned long) entry,
4597 qeth_default_setassparms_cb, NULL);
4600 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
4601 PRINT_WARN("Could not add ARP entry for address %s on %s: "
4603 buf, card->info.if_name,
4604 qeth_arp_get_error_cause(&rc), tmp, tmp);
4610 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
4612 struct qeth_cmd_buffer *iob;
4613 char buf[16] = {0, };
4617 QETH_DBF_TEXT(trace,3,"arprment");
4620 * currently GuestLAN does only deliver all zeros on query arp,
4621 * even though arp processing is supported (according to IPA supp.
4622 * funcs flags); since all zeros is no valueable information,
4623 * we say EOPNOTSUPP for all ARP functions
4625 if (card->info.guestlan)
4627 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4628 PRINT_WARN("ARP processing not supported "
4629 "on %s!\n", card->info.if_name);
4632 memcpy(buf, entry, 12);
4633 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4634 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
4637 rc = qeth_send_setassparms(card, iob,
4638 12, (unsigned long)buf,
4639 qeth_default_setassparms_cb, NULL);
4643 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
4644 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
4646 buf, card->info.if_name,
4647 qeth_arp_get_error_cause(&rc), tmp, tmp);
4653 qeth_arp_flush_cache(struct qeth_card *card)
4658 QETH_DBF_TEXT(trace,3,"arpflush");
4661 * currently GuestLAN does only deliver all zeros on query arp,
4662 * even though arp processing is supported (according to IPA supp.
4663 * funcs flags); since all zeros is no valueable information,
4664 * we say EOPNOTSUPP for all ARP functions
4666 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
4668 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4669 PRINT_WARN("ARP processing not supported "
4670 "on %s!\n", card->info.if_name);
4673 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4674 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
4677 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
4678 card->info.if_name, qeth_arp_get_error_cause(&rc),
4685 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
4687 struct qeth_card *card = (struct qeth_card *)dev->priv;
4688 struct qeth_arp_cache_entry arp_entry;
4689 struct mii_ioctl_data *mii_data;
4695 if ((card->state != CARD_STATE_UP) &&
4696 (card->state != CARD_STATE_SOFTSETUP))
4700 case SIOC_QETH_ARP_SET_NO_ENTRIES:
4701 if ( !capable(CAP_NET_ADMIN) ||
4702 (card->options.layer2) ) {
4706 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
4708 case SIOC_QETH_ARP_QUERY_INFO:
4709 if ( !capable(CAP_NET_ADMIN) ||
4710 (card->options.layer2) ) {
4714 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
4716 case SIOC_QETH_ARP_ADD_ENTRY:
4717 if ( !capable(CAP_NET_ADMIN) ||
4718 (card->options.layer2) ) {
4722 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
4723 sizeof(struct qeth_arp_cache_entry)))
4726 rc = qeth_arp_add_entry(card, &arp_entry);
4728 case SIOC_QETH_ARP_REMOVE_ENTRY:
4729 if ( !capable(CAP_NET_ADMIN) ||
4730 (card->options.layer2) ) {
4734 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
4735 sizeof(struct qeth_arp_cache_entry)))
4738 rc = qeth_arp_remove_entry(card, &arp_entry);
4740 case SIOC_QETH_ARP_FLUSH_CACHE:
4741 if ( !capable(CAP_NET_ADMIN) ||
4742 (card->options.layer2) ) {
4746 rc = qeth_arp_flush_cache(card);
4748 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
4749 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
4751 case SIOC_QETH_GET_CARD_TYPE:
4752 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
4753 !card->info.guestlan)
4758 mii_data = if_mii(rq);
4759 mii_data->phy_id = 0;
4762 mii_data = if_mii(rq);
4763 if (mii_data->phy_id != 0)
4766 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
4772 /* TODO: remove return if qeth_mdio_write does something */
4773 if (!capable(CAP_NET_ADMIN)){
4777 mii_data = if_mii(rq);
4778 if (mii_data->phy_id != 0)
4781 qeth_mdio_write(dev, mii_data->phy_id, mii_data->reg_num,
4788 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
4792 static struct net_device_stats *
4793 qeth_get_stats(struct net_device *dev)
4795 struct qeth_card *card;
4797 card = (struct qeth_card *) (dev->priv);
4799 QETH_DBF_TEXT(trace,5,"getstat");
4801 return &card->stats;
4805 qeth_change_mtu(struct net_device *dev, int new_mtu)
4807 struct qeth_card *card;
4810 card = (struct qeth_card *) (dev->priv);
4812 QETH_DBF_TEXT(trace,4,"chgmtu");
4813 sprintf(dbf_text, "%8x", new_mtu);
4814 QETH_DBF_TEXT(trace,4,dbf_text);
4818 if (new_mtu > 65535)
4820 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
4821 (!qeth_mtu_is_valid(card, new_mtu)))
4827 #ifdef CONFIG_QETH_VLAN
4829 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
4831 struct qeth_card *card;
4832 unsigned long flags;
4834 QETH_DBF_TEXT(trace,4,"vlanreg");
4836 card = (struct qeth_card *) dev->priv;
4837 spin_lock_irqsave(&card->vlanlock, flags);
4838 card->vlangrp = grp;
4839 spin_unlock_irqrestore(&card->vlanlock, flags);
4843 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
4847 struct sk_buff *skb;
4848 struct sk_buff_head tmp_list;
4850 skb_queue_head_init(&tmp_list);
4851 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
4852 while ((skb = skb_dequeue(&buf->skb_list))){
4853 if (vlan_tx_tag_present(skb) &&
4854 (vlan_tx_tag_get(skb) == vid)) {
4855 atomic_dec(&skb->users);
4858 skb_queue_tail(&tmp_list, skb);
4861 while ((skb = skb_dequeue(&tmp_list)))
4862 skb_queue_tail(&buf->skb_list, skb);
4866 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
4870 QETH_DBF_TEXT(trace, 4, "frvlskbs");
4871 for (i = 0; i < card->qdio.no_out_queues; ++i){
4872 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
4873 qeth_free_vlan_buffer(card, &card->qdio.
4874 out_qs[i]->bufs[j], vid);
4879 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
4881 struct in_device *in_dev;
4882 struct in_ifaddr *ifa;
4883 struct qeth_ipaddr *addr;
4885 QETH_DBF_TEXT(trace, 4, "frvaddr4");
4889 in_dev = __in_dev_get(card->vlangrp->vlan_devices[vid]);
4892 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
4893 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
4895 addr->u.a4.addr = ifa->ifa_address;
4896 addr->u.a4.mask = ifa->ifa_mask;
4897 addr->type = QETH_IP_TYPE_NORMAL;
4898 if (!qeth_delete_ip(card, addr))
4906 #ifdef CONFIG_QETH_IPV6
4908 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
4910 struct inet6_dev *in6_dev;
4911 struct inet6_ifaddr *ifa;
4912 struct qeth_ipaddr *addr;
4914 QETH_DBF_TEXT(trace, 4, "frvaddr6");
4917 in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
4920 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
4921 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
4923 memcpy(&addr->u.a6.addr, &ifa->addr,
4924 sizeof(struct in6_addr));
4925 addr->u.a6.pfxlen = ifa->prefix_len;
4926 addr->type = QETH_IP_TYPE_NORMAL;
4927 if (!qeth_delete_ip(card, addr))
4931 in6_dev_put(in6_dev);
4934 #define qeth_free_vlan_addresses6(card, vid) do{ ; }while(0)
4938 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
4939 enum qeth_ipa_cmds ipacmd)
4942 struct qeth_ipa_cmd *cmd;
4943 struct qeth_cmd_buffer *iob;
4945 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
4946 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
4947 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4948 cmd->data.setdelvlan.vlan_id = i;
4950 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
4952 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
4953 "Continuing\n",i, card->info.if_name, rc);
4954 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", ipacmd);
4955 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
4956 QETH_DBF_TEXT_(trace, 2, "err%d", rc);
4961 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
4965 QETH_DBF_TEXT(trace, 3, "L2prcvln");
4969 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
4970 if (card->vlangrp->vlan_devices[i] == NULL)
4973 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
4975 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
4979 /*add_vid is layer 2 used only ....*/
4981 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
4983 struct qeth_card *card;
4985 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
4987 card = (struct qeth_card *) dev->priv;
4988 if (!card->options.layer2)
4990 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
4993 /*... kill_vid used for both modes*/
4995 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
4997 struct qeth_card *card;
4998 unsigned long flags;
5000 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5002 card = (struct qeth_card *) dev->priv;
5003 /* free all skbs for the vlan device */
5004 qeth_free_vlan_skbs(card, vid);
5005 spin_lock_irqsave(&card->vlanlock, flags);
5006 /* unregister IP addresses of vlan device */
5007 qeth_free_vlan_addresses4(card, vid);
5008 qeth_free_vlan_addresses6(card, vid);
5010 card->vlangrp->vlan_devices[vid] = NULL;
5011 spin_unlock_irqrestore(&card->vlanlock, flags);
5012 if (card->options.layer2)
5013 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5014 qeth_set_multicast_list(card->dev);
5019 * set multicast address on card
5022 qeth_set_multicast_list(struct net_device *dev)
5024 struct qeth_card *card = (struct qeth_card *) dev->priv;
5026 QETH_DBF_TEXT(trace,3,"setmulti");
5027 qeth_delete_mc_addresses(card);
5028 qeth_add_multicast_ipv4(card);
5029 #ifdef CONFIG_QETH_IPV6
5030 qeth_add_multicast_ipv6(card);
5032 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5033 schedule_work(&card->kernel_thread_starter);
5037 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5042 #ifdef CONFIG_QETH_IPV6
5044 qeth_ipv6_generate_eui64(u8 * eui, struct net_device *dev)
5046 switch (dev->type) {
5049 case ARPHRD_IEEE802_TR:
5050 if (dev->addr_len != ETH_ALEN)
5052 memcpy(eui, dev->dev_addr, 3);
5053 memcpy(eui + 5, dev->dev_addr + 3, 3);
5054 eui[3] = (dev->dev_id >> 8) & 0xff;
5055 eui[4] = dev->dev_id & 0xff;
5064 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5066 if (dev->type == ARPHRD_IEEE802_TR)
5067 ip_tr_mc_map(ipm, mac);
5069 ip_eth_mc_map(ipm, mac);
5072 static struct qeth_ipaddr *
5073 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5075 struct qeth_ipaddr *addr;
5077 addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5079 PRINT_WARN("Not enough memory to add address\n");
5082 memset(addr,0,sizeof(struct qeth_ipaddr));
5083 addr->type = QETH_IP_TYPE_NORMAL;
5089 qeth_delete_mc_addresses(struct qeth_card *card)
5091 struct qeth_ipaddr *iptodo;
5092 unsigned long flags;
5094 QETH_DBF_TEXT(trace,4,"delmc");
5095 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5097 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5100 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5101 spin_lock_irqsave(&card->ip_lock, flags);
5102 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5104 spin_unlock_irqrestore(&card->ip_lock, flags);
5108 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5110 struct qeth_ipaddr *ipm;
5111 struct ip_mc_list *im4;
5112 char buf[MAX_ADDR_LEN];
5114 QETH_DBF_TEXT(trace,4,"addmc");
5115 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5116 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5117 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5120 ipm->u.a4.addr = im4->multiaddr;
5121 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5122 ipm->is_multicast = 1;
5123 if (!qeth_add_ip(card,ipm))
5129 qeth_add_vlan_mc(struct qeth_card *card)
5131 #ifdef CONFIG_QETH_VLAN
5132 struct in_device *in_dev;
5133 struct vlan_group *vg;
5136 QETH_DBF_TEXT(trace,4,"addmcvl");
5137 if ( ((card->options.layer2 == 0) &&
5138 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5139 (card->vlangrp == NULL) )
5143 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5144 if (vg->vlan_devices[i] == NULL ||
5145 !(vg->vlan_devices[i]->flags & IFF_UP))
5147 in_dev = in_dev_get(vg->vlan_devices[i]);
5150 read_lock(&in_dev->mc_list_lock);
5151 qeth_add_mc(card,in_dev);
5152 read_unlock(&in_dev->mc_list_lock);
5159 qeth_add_multicast_ipv4(struct qeth_card *card)
5161 struct in_device *in4_dev;
5163 QETH_DBF_TEXT(trace,4,"chkmcv4");
5164 in4_dev = in_dev_get(card->dev);
5165 if (in4_dev == NULL)
5167 read_lock(&in4_dev->mc_list_lock);
5168 qeth_add_mc(card, in4_dev);
5169 qeth_add_vlan_mc(card);
5170 read_unlock(&in4_dev->mc_list_lock);
5171 in_dev_put(in4_dev);
5174 #ifdef CONFIG_QETH_IPV6
5176 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5178 struct qeth_ipaddr *ipm;
5179 struct ifmcaddr6 *im6;
5180 char buf[MAX_ADDR_LEN];
5182 QETH_DBF_TEXT(trace,4,"addmc6");
5183 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5184 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5185 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5188 ipm->is_multicast = 1;
5189 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5190 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5191 sizeof(struct in6_addr));
5192 if (!qeth_add_ip(card,ipm))
5198 qeth_add_vlan_mc6(struct qeth_card *card)
5200 #ifdef CONFIG_QETH_VLAN
5201 struct inet6_dev *in_dev;
5202 struct vlan_group *vg;
5205 QETH_DBF_TEXT(trace,4,"admc6vl");
5206 if ( ((card->options.layer2 == 0) &&
5207 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5208 (card->vlangrp == NULL))
5212 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5213 if (vg->vlan_devices[i] == NULL ||
5214 !(vg->vlan_devices[i]->flags & IFF_UP))
5216 in_dev = in6_dev_get(vg->vlan_devices[i]);
5219 read_lock(&in_dev->lock);
5220 qeth_add_mc6(card,in_dev);
5221 read_unlock(&in_dev->lock);
5222 in6_dev_put(in_dev);
5224 #endif /* CONFIG_QETH_VLAN */
5228 qeth_add_multicast_ipv6(struct qeth_card *card)
5230 struct inet6_dev *in6_dev;
5232 QETH_DBF_TEXT(trace,4,"chkmcv6");
5233 if (!qeth_is_supported(card, IPA_IPV6))
5236 in6_dev = in6_dev_get(card->dev);
5237 if (in6_dev == NULL)
5239 read_lock(&in6_dev->lock);
5240 qeth_add_mc6(card, in6_dev);
5241 qeth_add_vlan_mc6(card);
5242 read_unlock(&in6_dev->lock);
5243 in6_dev_put(in6_dev);
5245 #endif /* CONFIG_QETH_IPV6 */
5248 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5249 enum qeth_ipa_cmds ipacmd)
5251 struct qeth_ipa_cmd *cmd;
5252 struct qeth_cmd_buffer *iob;
5254 QETH_DBF_TEXT(trace, 2, "L2sdmac");
5255 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5256 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5257 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5258 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5259 return qeth_send_ipa_cmd(card, iob, NULL, NULL);
5264 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5266 struct sockaddr *addr = p;
5267 struct qeth_card *card;
5270 QETH_DBF_TEXT(trace, 3, "setmac");
5272 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
5273 QETH_DBF_TEXT(trace, 3, "setmcINV");
5276 card = (struct qeth_card *) dev->priv;
5278 if (!card->options.layer2) {
5279 PRINT_WARN("Setting MAC address on %s is not supported"
5280 "in Layer 3 mode.\n", dev->name);
5281 QETH_DBF_TEXT(trace, 3, "setmcLY3");
5284 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
5285 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
5286 if (card->info.layer2_mac_registered)
5287 rc = qeth_layer2_send_setdelmac(card, &card->dev->dev_addr[0],
5290 PRINT_WARN("Error in deregistering MAC address on " \
5291 "device %s: x%x\n", CARD_BUS_ID(card), rc);
5292 QETH_DBF_TEXT_(trace, 2, "err%d", rc);
5295 card->info.layer2_mac_registered = 0;
5297 rc = qeth_layer2_send_setdelmac(card, addr->sa_data, IPA_CMD_SETVMAC);
5299 PRINT_WARN("Error in registering MAC address on " \
5300 "device %s: x%x\n", CARD_BUS_ID(card), rc);
5301 QETH_DBF_TEXT_(trace, 2, "2err%d", rc);
5304 card->info.layer2_mac_registered = 1;
5305 memcpy(dev->dev_addr, addr->sa_data, OSA_ADDR_LEN);
5306 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5307 "successfully registered on device %s\n",
5308 dev->dev_addr[0],dev->dev_addr[1],dev->dev_addr[2],
5309 dev->dev_addr[3],dev->dev_addr[4],dev->dev_addr[5],
5316 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
5317 __u8 command, enum qeth_prot_versions prot)
5319 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
5320 cmd->hdr.command = command;
5321 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
5322 cmd->hdr.seqno = card->seqno.ipa;
5323 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
5324 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
5325 if (card->options.layer2)
5326 cmd->hdr.prim_version_no = 2;
5328 cmd->hdr.prim_version_no = 1;
5329 cmd->hdr.param_count = 1;
5330 cmd->hdr.prot_version = prot;
5331 cmd->hdr.ipa_supported = 0;
5332 cmd->hdr.ipa_enabled = 0;
5335 static struct qeth_cmd_buffer *
5336 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
5337 enum qeth_prot_versions prot)
5339 struct qeth_cmd_buffer *iob;
5340 struct qeth_ipa_cmd *cmd;
5342 iob = qeth_wait_for_buffer(&card->write);
5343 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5344 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
5350 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
5353 struct qeth_cmd_buffer *iob;
5354 struct qeth_ipa_cmd *cmd;
5356 QETH_DBF_TEXT(trace,4,"setdelmc");
5358 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
5359 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5360 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
5361 if (addr->proto == QETH_PROT_IPV6)
5362 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
5363 sizeof(struct in6_addr));
5365 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
5367 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5372 qeth_fill_netmask(u8 *netmask, unsigned int len)
5375 for (i=0;i<16;i++) {
5380 netmask[i] = (u8)(0xFF00>>j);
5387 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
5388 int ipacmd, unsigned int flags)
5391 struct qeth_cmd_buffer *iob;
5392 struct qeth_ipa_cmd *cmd;
5395 QETH_DBF_TEXT(trace,4,"setdelip");
5396 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
5398 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
5399 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5400 if (addr->proto == QETH_PROT_IPV6) {
5401 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
5402 sizeof(struct in6_addr));
5403 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
5404 memcpy(cmd->data.setdelip6.mask, netmask,
5405 sizeof(struct in6_addr));
5406 cmd->data.setdelip6.flags = flags;
5408 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
5409 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
5410 cmd->data.setdelip4.flags = flags;
5413 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5419 qeth_layer2_register_addr_entry(struct qeth_card *card,
5420 struct qeth_ipaddr *addr)
5424 if (!addr->is_multicast)
5427 QETH_DBF_TEXT(trace, 2, "setgmac");
5428 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
5429 rc = qeth_layer2_send_setdelmac(card, &addr->mac[0],
5432 PRINT_ERR("Could not set group MAC " \
5433 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5434 addr->mac[0],addr->mac[1],addr->mac[2],
5435 addr->mac[3],addr->mac[4],addr->mac[5],
5436 card->info.if_name,rc);
5441 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
5442 struct qeth_ipaddr *addr)
5446 if (!addr->is_multicast)
5449 QETH_DBF_TEXT(trace, 2, "delgmac");
5450 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
5451 rc = qeth_layer2_send_setdelmac(card, &addr->mac[0],
5454 PRINT_ERR("Could not delete group MAC " \
5455 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5456 addr->mac[0],addr->mac[1],addr->mac[2],
5457 addr->mac[3],addr->mac[4],addr->mac[5],
5458 card->info.if_name,rc);
5464 qeth_layer3_register_addr_entry(struct qeth_card *card,
5465 struct qeth_ipaddr *addr)
5471 if (addr->proto == QETH_PROT_IPV4) {
5472 QETH_DBF_TEXT(trace, 2,"setaddr4");
5473 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
5474 } else if (addr->proto == QETH_PROT_IPV6) {
5475 QETH_DBF_TEXT(trace, 2, "setaddr6");
5476 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
5477 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
5479 QETH_DBF_TEXT(trace, 2, "setaddr?");
5480 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
5483 if (addr->is_multicast)
5484 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
5486 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
5489 QETH_DBF_TEXT(trace, 2, "failed");
5490 } while ((--cnt > 0) && rc);
5492 QETH_DBF_TEXT(trace, 2, "FAILED");
5493 /* TODO: re-activate this warning as soon as we have a
5495 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
5496 PRINT_WARN("Could not register IP address %s (rc=%x)\n",
5504 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
5505 struct qeth_ipaddr *addr)
5510 if (addr->proto == QETH_PROT_IPV4) {
5511 QETH_DBF_TEXT(trace, 2,"deladdr4");
5512 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
5513 } else if (addr->proto == QETH_PROT_IPV6) {
5514 QETH_DBF_TEXT(trace, 2, "deladdr6");
5515 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
5516 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
5518 QETH_DBF_TEXT(trace, 2, "deladdr?");
5519 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
5521 if (addr->is_multicast)
5522 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
5524 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
5527 QETH_DBF_TEXT(trace, 2, "failed");
5528 /* TODO: re-activate this warning as soon as we have a
5530 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
5531 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
5539 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
5541 if (card->options.layer2)
5542 return qeth_layer2_register_addr_entry(card, addr);
5544 return qeth_layer3_register_addr_entry(card, addr);
5548 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
5550 if (card->options.layer2)
5551 return qeth_layer2_deregister_addr_entry(card, addr);
5553 return qeth_layer3_deregister_addr_entry(card, addr);
5557 qeth_netdev_init(struct net_device *dev)
5559 struct qeth_card *card;
5561 card = (struct qeth_card *) dev->priv;
5563 QETH_DBF_TEXT(trace,3,"initdev");
5565 dev->tx_timeout = &qeth_tx_timeout;
5566 dev->watchdog_timeo = QETH_TX_TIMEOUT;
5567 dev->open = qeth_open;
5568 dev->stop = qeth_stop;
5569 dev->hard_start_xmit = qeth_hard_start_xmit;
5570 dev->do_ioctl = qeth_do_ioctl;
5571 dev->get_stats = qeth_get_stats;
5572 dev->change_mtu = qeth_change_mtu;
5573 dev->neigh_setup = qeth_neigh_setup;
5574 dev->set_multicast_list = qeth_set_multicast_list;
5575 #ifdef CONFIG_QETH_VLAN
5576 dev->vlan_rx_register = qeth_vlan_rx_register;
5577 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
5578 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
5580 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
5581 dev->rebuild_header = NULL;
5582 dev->hard_header = NULL;
5583 dev->header_cache_update = NULL;
5584 dev->hard_header_cache = NULL;
5586 #ifdef CONFIG_QETH_IPV6
5587 /*IPv6 address autoconfiguration stuff*/
5588 card->dev->dev_id = card->info.unique_id & 0xffff;
5589 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
5590 card->dev->generate_eui64 = qeth_ipv6_generate_eui64;
5594 dev->hard_header_parse = NULL;
5595 dev->set_mac_address = qeth_layer2_set_mac_address;
5596 dev->flags |= qeth_get_netdev_flags(card);
5597 if ((card->options.fake_broadcast) ||
5598 (card->info.broadcast_capable))
5599 dev->flags |= IFF_BROADCAST;
5600 dev->hard_header_len =
5601 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
5602 dev->addr_len = OSA_ADDR_LEN;
5603 dev->mtu = card->info.initial_mtu;
5605 SET_MODULE_OWNER(dev);
5610 qeth_init_func_level(struct qeth_card *card)
5612 if (card->ipato.enabled) {
5613 if (card->info.type == QETH_CARD_TYPE_IQD)
5614 card->info.func_level =
5615 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
5617 card->info.func_level =
5618 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
5620 if (card->info.type == QETH_CARD_TYPE_IQD)
5621 card->info.func_level =
5622 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
5624 card->info.func_level =
5625 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
5630 * hardsetup card, initialize MPC and QDIO stuff
5633 qeth_hardsetup_card(struct qeth_card *card)
5638 QETH_DBF_TEXT(setup, 2, "hrdsetup");
5642 PRINT_WARN("Retrying to do IDX activates.\n");
5643 ccw_device_set_offline(CARD_DDEV(card));
5644 ccw_device_set_offline(CARD_WDEV(card));
5645 ccw_device_set_offline(CARD_RDEV(card));
5646 ccw_device_set_online(CARD_RDEV(card));
5647 ccw_device_set_online(CARD_WDEV(card));
5648 ccw_device_set_online(CARD_DDEV(card));
5650 rc = qeth_qdio_clear_card(card,card->info.type==QETH_CARD_TYPE_OSAE);
5651 if (rc == -ERESTARTSYS) {
5652 QETH_DBF_TEXT(setup, 2, "break1");
5655 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
5661 if ((rc = qeth_get_unitaddr(card))){
5662 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
5665 qeth_init_tokens(card);
5666 qeth_init_func_level(card);
5667 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
5668 if (rc == -ERESTARTSYS) {
5669 QETH_DBF_TEXT(setup, 2, "break2");
5672 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
5678 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
5679 if (rc == -ERESTARTSYS) {
5680 QETH_DBF_TEXT(setup, 2, "break3");
5683 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
5689 if ((rc = qeth_mpc_initialize(card))){
5690 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
5693 /* at first set_online allocate netdev */
5695 card->dev = qeth_get_netdevice(card->info.type,
5696 card->info.link_type);
5698 qeth_qdio_clear_card(card, card->info.type ==
5699 QETH_CARD_TYPE_OSAE);
5701 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
5704 card->dev->priv = card;
5705 card->dev->type = qeth_get_arphdr_type(card->info.type,
5706 card->info.link_type);
5707 card->dev->init = qeth_netdev_init;
5711 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
5716 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
5719 struct qeth_ipa_cmd *cmd;
5721 QETH_DBF_TEXT(trace,4,"defadpcb");
5723 cmd = (struct qeth_ipa_cmd *) data;
5724 if (cmd->hdr.return_code == 0){
5725 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
5726 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
5727 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
5728 #ifdef CONFIG_QETH_IPV6
5729 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
5730 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
5733 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
5734 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
5735 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
5736 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
5742 qeth_default_setadapterparms_cb(struct qeth_card *card,
5743 struct qeth_reply *reply,
5746 struct qeth_ipa_cmd *cmd;
5748 QETH_DBF_TEXT(trace,4,"defadpcb");
5750 cmd = (struct qeth_ipa_cmd *) data;
5751 if (cmd->hdr.return_code == 0)
5752 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
5757 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
5760 struct qeth_ipa_cmd *cmd;
5762 QETH_DBF_TEXT(trace,3,"quyadpcb");
5764 cmd = (struct qeth_ipa_cmd *) data;
5765 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
5766 card->info.link_type =
5767 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
5768 card->options.adp.supported_funcs =
5769 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
5770 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5774 qeth_query_setadapterparms(struct qeth_card *card)
5777 struct qeth_cmd_buffer *iob;
5779 QETH_DBF_TEXT(trace,3,"queryadp");
5780 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
5781 sizeof(struct qeth_ipacmd_setadpparms));
5782 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
5787 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
5788 struct qeth_reply *reply,
5791 struct qeth_ipa_cmd *cmd;
5793 QETH_DBF_TEXT(trace,4,"chgmaccb");
5795 cmd = (struct qeth_ipa_cmd *) data;
5796 memcpy(card->dev->dev_addr,
5797 &cmd->data.setadapterparms.data.change_addr.addr,OSA_ADDR_LEN);
5798 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
5803 qeth_setadpparms_change_macaddr(struct qeth_card *card)
5806 struct qeth_cmd_buffer *iob;
5807 struct qeth_ipa_cmd *cmd;
5809 QETH_DBF_TEXT(trace,4,"chgmac");
5811 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
5812 sizeof(struct qeth_ipacmd_setadpparms));
5813 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5814 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
5815 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
5816 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
5817 card->dev->dev_addr, OSA_ADDR_LEN);
5818 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
5824 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
5827 struct qeth_cmd_buffer *iob;
5828 struct qeth_ipa_cmd *cmd;
5830 QETH_DBF_TEXT(trace,4,"adpmode");
5832 iob = qeth_get_adapter_cmd(card, command,
5833 sizeof(struct qeth_ipacmd_setadpparms));
5834 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5835 cmd->data.setadapterparms.data.mode = mode;
5836 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
5842 qeth_setadapter_hstr(struct qeth_card *card)
5846 QETH_DBF_TEXT(trace,4,"adphstr");
5848 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
5849 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
5850 card->options.broadcast_mode);
5852 PRINT_WARN("couldn't set broadcast mode on "
5854 CARD_BUS_ID(card), rc);
5855 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
5856 card->options.macaddr_mode);
5858 PRINT_WARN("couldn't set macaddr mode on "
5859 "device %s: x%x\n", CARD_BUS_ID(card), rc);
5862 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
5863 PRINT_WARN("set adapter parameters not available "
5864 "to set broadcast mode, using ALLRINGS "
5865 "on device %s:\n", CARD_BUS_ID(card));
5866 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
5867 PRINT_WARN("set adapter parameters not available "
5868 "to set macaddr mode, using NONCANONICAL "
5869 "on device %s:\n", CARD_BUS_ID(card));
5874 qeth_setadapter_parms(struct qeth_card *card)
5878 QETH_DBF_TEXT(setup, 2, "setadprm");
5880 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
5881 PRINT_WARN("set adapter parameters not supported "
5884 QETH_DBF_TEXT(setup, 2, " notsupp");
5887 rc = qeth_query_setadapterparms(card);
5889 PRINT_WARN("couldn't set adapter parameters on device %s: "
5890 "x%x\n", CARD_BUS_ID(card), rc);
5893 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
5894 rc = qeth_setadpparms_change_macaddr(card);
5896 PRINT_WARN("couldn't get MAC address on "
5898 CARD_BUS_ID(card), rc);
5901 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
5902 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
5903 rc = qeth_setadapter_hstr(card);
5909 qeth_layer2_initialize(struct qeth_card *card)
5914 QETH_DBF_TEXT(setup, 2, "doL2init");
5915 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
5917 rc = qeth_setadpparms_change_macaddr(card);
5919 PRINT_WARN("couldn't get MAC address on "
5921 CARD_BUS_ID(card), rc);
5922 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
5925 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
5927 rc = qeth_layer2_send_setdelmac(card, &card->dev->dev_addr[0],
5930 card->info.layer2_mac_registered = 0;
5931 PRINT_WARN("Error in processing MAC address on " \
5932 "device %s: x%x\n",CARD_BUS_ID(card),rc);
5933 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
5935 card->info.layer2_mac_registered = 1;
5941 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
5942 enum qeth_prot_versions prot)
5945 struct qeth_cmd_buffer *iob;
5947 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
5948 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5954 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
5958 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
5960 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
5965 qeth_send_stoplan(struct qeth_card *card)
5970 * TODO: according to the IPA format document page 14,
5971 * TCP/IP (we!) never issue a STOPLAN
5974 QETH_DBF_TEXT(trace, 2, "stoplan");
5976 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
5981 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
5984 struct qeth_ipa_cmd *cmd;
5986 QETH_DBF_TEXT(setup, 2, "qipasscb");
5988 cmd = (struct qeth_ipa_cmd *) data;
5989 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
5990 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
5991 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
5993 #ifdef CONFIG_QETH_IPV6
5994 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
5995 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6002 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6005 struct qeth_cmd_buffer *iob;
6007 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6008 if (card->options.layer2) {
6009 QETH_DBF_TEXT(setup, 2, "noprmly2");
6013 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6014 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6018 static struct qeth_cmd_buffer *
6019 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6020 __u16 cmd_code, __u16 len,
6021 enum qeth_prot_versions prot)
6023 struct qeth_cmd_buffer *iob;
6024 struct qeth_ipa_cmd *cmd;
6026 QETH_DBF_TEXT(trace,4,"getasscm");
6027 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6029 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6030 cmd->data.setassparms.hdr.assist_no = ipa_func;
6031 cmd->data.setassparms.hdr.length = 8 + len;
6032 cmd->data.setassparms.hdr.command_code = cmd_code;
6033 cmd->data.setassparms.hdr.return_code = 0;
6034 cmd->data.setassparms.hdr.seq_no = 0;
6040 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6041 __u16 len, long data,
6043 (struct qeth_card *,struct qeth_reply *,unsigned long),
6047 struct qeth_ipa_cmd *cmd;
6049 QETH_DBF_TEXT(trace,4,"sendassp");
6051 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6052 if (len <= sizeof(__u32))
6053 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6054 else if (len > sizeof(__u32))
6055 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6057 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6061 #ifdef CONFIG_QETH_IPV6
6063 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6064 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6068 struct qeth_cmd_buffer *iob;
6070 QETH_DBF_TEXT(trace,4,"simassp6");
6071 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6073 rc = qeth_send_setassparms(card, iob, 0, 0,
6074 qeth_default_setassparms_cb, NULL);
6080 qeth_send_simple_setassparms(struct qeth_card *card,
6081 enum qeth_ipa_funcs ipa_func,
6082 __u16 cmd_code, long data)
6086 struct qeth_cmd_buffer *iob;
6088 QETH_DBF_TEXT(trace,4,"simassp4");
6090 length = sizeof(__u32);
6091 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6092 length, QETH_PROT_IPV4);
6093 rc = qeth_send_setassparms(card, iob, length, data,
6094 qeth_default_setassparms_cb, NULL);
6099 qeth_start_ipa_arp_processing(struct qeth_card *card)
6103 QETH_DBF_TEXT(trace,3,"ipaarp");
6105 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6106 PRINT_WARN("ARP processing not supported "
6107 "on %s!\n", card->info.if_name);
6110 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6111 IPA_CMD_ASS_START, 0);
6113 PRINT_WARN("Could not start ARP processing "
6114 "assist on %s: 0x%x\n",
6115 card->info.if_name, rc);
6121 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6125 QETH_DBF_TEXT(trace,3,"ipaipfrg");
6127 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6128 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6129 card->info.if_name);
6133 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6134 IPA_CMD_ASS_START, 0);
6136 PRINT_WARN("Could not start Hardware IP fragmentation "
6137 "assist on %s: 0x%x\n",
6138 card->info.if_name, rc);
6140 PRINT_INFO("Hardware IP fragmentation enabled \n");
6145 qeth_start_ipa_source_mac(struct qeth_card *card)
6149 QETH_DBF_TEXT(trace,3,"stsrcmac");
6151 if (!card->options.fake_ll)
6154 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6155 PRINT_INFO("Inbound source address not "
6156 "supported on %s\n", card->info.if_name);
6160 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6161 IPA_CMD_ASS_START, 0);
6163 PRINT_WARN("Could not start inbound source "
6164 "assist on %s: 0x%x\n",
6165 card->info.if_name, rc);
6170 qeth_start_ipa_vlan(struct qeth_card *card)
6174 QETH_DBF_TEXT(trace,3,"strtvlan");
6176 #ifdef CONFIG_QETH_VLAN
6177 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6178 PRINT_WARN("VLAN not supported on %s\n", card->info.if_name);
6182 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6183 IPA_CMD_ASS_START,0);
6185 PRINT_WARN("Could not start vlan "
6186 "assist on %s: 0x%x\n",
6187 card->info.if_name, rc);
6189 PRINT_INFO("VLAN enabled \n");
6190 card->dev->features |=
6191 NETIF_F_HW_VLAN_FILTER |
6192 NETIF_F_HW_VLAN_TX |
6195 #endif /* QETH_VLAN */
6200 qeth_start_ipa_multicast(struct qeth_card *card)
6204 QETH_DBF_TEXT(trace,3,"stmcast");
6206 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
6207 PRINT_WARN("Multicast not supported on %s\n",
6208 card->info.if_name);
6212 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
6213 IPA_CMD_ASS_START,0);
6215 PRINT_WARN("Could not start multicast "
6216 "assist on %s: rc=%i\n",
6217 card->info.if_name, rc);
6219 PRINT_INFO("Multicast enabled\n");
6220 card->dev->flags |= IFF_MULTICAST;
6225 #ifdef CONFIG_QETH_IPV6
6227 qeth_softsetup_ipv6(struct qeth_card *card)
6231 QETH_DBF_TEXT(trace,3,"softipv6");
6233 netif_stop_queue(card->dev);
6234 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
6236 PRINT_ERR("IPv6 startlan failed on %s\n",
6237 card->info.if_name);
6240 netif_wake_queue(card->dev);
6241 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
6243 PRINT_ERR("IPv6 query ipassist failed on %s\n",
6244 card->info.if_name);
6247 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
6248 IPA_CMD_ASS_START, 3);
6250 PRINT_WARN("IPv6 start assist (version 4) failed "
6252 card->info.if_name, rc);
6255 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
6258 PRINT_WARN("IPV6 start assist (version 6) failed "
6260 card->info.if_name, rc);
6263 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
6266 PRINT_WARN("Could not enable passthrough "
6268 card->info.if_name, rc);
6271 PRINT_INFO("IPV6 enabled \n");
6278 qeth_start_ipa_ipv6(struct qeth_card *card)
6281 #ifdef CONFIG_QETH_IPV6
6282 QETH_DBF_TEXT(trace,3,"strtipv6");
6284 if (!qeth_is_supported(card, IPA_IPV6)) {
6285 PRINT_WARN("IPv6 not supported on %s\n",
6286 card->info.if_name);
6289 rc = qeth_softsetup_ipv6(card);
6295 qeth_start_ipa_broadcast(struct qeth_card *card)
6299 QETH_DBF_TEXT(trace,3,"stbrdcst");
6300 card->info.broadcast_capable = 0;
6301 if (!qeth_is_supported(card, IPA_FILTERING)) {
6302 PRINT_WARN("Broadcast not supported on %s\n",
6303 card->info.if_name);
6307 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
6308 IPA_CMD_ASS_START, 0);
6310 PRINT_WARN("Could not enable broadcasting filtering "
6312 card->info.if_name, rc);
6316 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
6317 IPA_CMD_ASS_CONFIGURE, 1);
6319 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
6320 card->info.if_name, rc);
6323 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
6324 PRINT_INFO("Broadcast enabled \n");
6325 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
6326 IPA_CMD_ASS_ENABLE, 1);
6328 PRINT_WARN("Could not set up broadcast echo filtering on "
6329 "%s: 0x%x\n", card->info.if_name, rc);
6332 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
6334 if (card->info.broadcast_capable)
6335 card->dev->flags |= IFF_BROADCAST;
6337 card->dev->flags &= ~IFF_BROADCAST;
6342 qeth_send_checksum_command(struct qeth_card *card)
6346 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
6347 IPA_CMD_ASS_START, 0);
6349 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
6350 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
6351 card->info.if_name, rc);
6354 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
6356 card->info.csum_mask);
6358 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
6359 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
6360 card->info.if_name, rc);
6367 qeth_start_ipa_checksum(struct qeth_card *card)
6371 QETH_DBF_TEXT(trace,3,"strtcsum");
6373 if (card->options.checksum_type == NO_CHECKSUMMING) {
6374 PRINT_WARN("Using no checksumming on %s.\n",
6375 card->info.if_name);
6378 if (card->options.checksum_type == SW_CHECKSUMMING) {
6379 PRINT_WARN("Using SW checksumming on %s.\n",
6380 card->info.if_name);
6383 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
6384 PRINT_WARN("Inbound HW Checksumming not "
6385 "supported on %s,\ncontinuing "
6386 "using Inbound SW Checksumming\n",
6387 card->info.if_name);
6388 card->options.checksum_type = SW_CHECKSUMMING;
6391 rc = qeth_send_checksum_command(card);
6393 PRINT_INFO("HW Checksumming (inbound) enabled \n");
6400 qeth_print_ipassist_status(struct qeth_card *card)
6405 offset += sprintf(buf, "IPAssist options of %s: ", card->info.if_name);
6406 if (qeth_is_enabled(card, IPA_ARP_PROCESSING))
6407 offset += sprintf(buf+offset, "ARP ");
6408 if (qeth_is_enabled(card, IPA_IP_FRAGMENTATION))
6409 offset += sprintf(buf+offset, "IP_FRAG");
6410 if (qeth_is_enabled(card, IPA_SOURCE_MAC))
6411 offset += sprintf(buf+offset, "SRC_MAC");
6412 if (qeth_is_enabled(card, IPA_FULL_VLAN))
6413 offset += sprintf(buf+offset, "VLAN");
6414 if (qeth_is_enabled(card, IPA_VLAN_PRIO))
6415 offset += sprintf(buf+offset, "VLAN_PRIO");
6420 qeth_start_ipassists(struct qeth_card *card)
6422 QETH_DBF_TEXT(trace,3,"strtipas");
6423 qeth_start_ipa_arp_processing(card); /* go on*/
6424 qeth_start_ipa_ip_fragmentation(card); /* go on*/
6425 qeth_start_ipa_source_mac(card); /* go on*/
6426 qeth_start_ipa_vlan(card); /* go on*/
6427 qeth_start_ipa_multicast(card); /* go on*/
6428 qeth_start_ipa_ipv6(card); /* go on*/
6429 qeth_start_ipa_broadcast(card); /* go on*/
6430 qeth_start_ipa_checksum(card); /* go on*/
6435 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
6436 enum qeth_prot_versions prot)
6439 struct qeth_ipa_cmd *cmd;
6440 struct qeth_cmd_buffer *iob;
6442 QETH_DBF_TEXT(trace,4,"setroutg");
6443 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
6444 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6445 cmd->data.setrtg.type = (type);
6446 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6453 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
6454 enum qeth_prot_versions prot)
6456 if (card->info.type == QETH_CARD_TYPE_IQD) {
6459 case PRIMARY_CONNECTOR:
6460 case SECONDARY_CONNECTOR:
6461 case MULTICAST_ROUTER:
6469 case PRIMARY_ROUTER:
6470 case SECONDARY_ROUTER:
6472 case MULTICAST_ROUTER:
6473 if (qeth_is_ipafunc_supported(card, prot,
6481 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
6482 "Router status set to 'no router'.\n",
6483 ((*type == PRIMARY_ROUTER)? "primary router" :
6484 (*type == SECONDARY_ROUTER)? "secondary router" :
6485 (*type == PRIMARY_CONNECTOR)? "primary connector" :
6486 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
6487 (*type == MULTICAST_ROUTER)? "multicast router" :
6494 qeth_setrouting_v4(struct qeth_card *card)
6498 QETH_DBF_TEXT(trace,3,"setrtg4");
6500 qeth_correct_routing_type(card, &card->options.route4.type,
6503 rc = qeth_send_setrouting(card, card->options.route4.type,
6506 card->options.route4.type = NO_ROUTER;
6507 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
6508 "Type set to 'no router'.\n",
6509 rc, card->info.if_name);
6515 qeth_setrouting_v6(struct qeth_card *card)
6519 QETH_DBF_TEXT(trace,3,"setrtg6");
6520 #ifdef CONFIG_QETH_IPV6
6522 qeth_correct_routing_type(card, &card->options.route6.type,
6525 if ((card->options.route6.type == NO_ROUTER) ||
6526 ((card->info.type == QETH_CARD_TYPE_OSAE) &&
6527 (card->options.route6.type == MULTICAST_ROUTER) &&
6528 !qeth_is_supported6(card,IPA_OSA_MC_ROUTER)))
6530 rc = qeth_send_setrouting(card, card->options.route6.type,
6533 card->options.route6.type = NO_ROUTER;
6534 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
6535 "Type set to 'no router'.\n",
6536 rc, card->info.if_name);
6543 * softsetup card: init IPA stuff
6546 qeth_softsetup_card(struct qeth_card *card)
6550 QETH_DBF_TEXT(setup, 2, "softsetp");
6552 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
6553 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6555 PRINT_WARN("LAN on card %s if offline! "
6556 "Continuing softsetup.\n",
6558 card->lan_online = 0;
6562 card->lan_online = 1;
6563 if (card->options.layer2) {
6564 card->dev->features |=
6565 NETIF_F_HW_VLAN_FILTER |
6566 NETIF_F_HW_VLAN_TX |
6568 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
6569 card->info.broadcast_capable=1;
6570 if ((rc = qeth_layer2_initialize(card))) {
6571 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
6574 #ifdef CONFIG_QETH_VLAN
6575 qeth_layer2_process_vlans(card, 0);
6579 if ((rc = qeth_setadapter_parms(card)))
6580 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6581 if ((rc = qeth_start_ipassists(card)))
6582 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6583 if ((rc = qeth_setrouting_v4(card)))
6584 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6585 if ((rc = qeth_setrouting_v6(card)))
6586 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6588 netif_stop_queue(card->dev);
6592 #ifdef CONFIG_QETH_IPV6
6594 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
6597 struct qeth_ipa_cmd *cmd;
6599 cmd = (struct qeth_ipa_cmd *) data;
6600 if (cmd->hdr.return_code == 0)
6601 card->info.unique_id = *((__u16 *)
6602 &cmd->data.create_destroy_addr.unique_id[6]);
6604 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6605 UNIQUE_ID_NOT_BY_CARD;
6606 PRINT_WARN("couldn't get a unique id from the card on device "
6607 "%s (result=x%x), using default id. ipv6 "
6608 "autoconfig on other lpars may lead to duplicate "
6609 "ip addresses. please use manually "
6610 "configured ones.\n",
6611 CARD_BUS_ID(card), cmd->hdr.return_code);
6618 qeth_put_unique_id(struct qeth_card *card)
6622 #ifdef CONFIG_QETH_IPV6
6623 struct qeth_cmd_buffer *iob;
6624 struct qeth_ipa_cmd *cmd;
6626 QETH_DBF_TEXT(trace,2,"puniqeid");
6628 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
6629 UNIQUE_ID_NOT_BY_CARD)
6631 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
6633 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6634 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
6635 card->info.unique_id;
6636 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
6637 card->dev->dev_addr, OSA_ADDR_LEN);
6638 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6640 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6641 UNIQUE_ID_NOT_BY_CARD;
6650 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
6652 struct qeth_ipaddr *addr, *tmp;
6653 unsigned long flags;
6655 QETH_DBF_TEXT(trace,4,"clearip");
6656 spin_lock_irqsave(&card->ip_lock, flags);
6657 /* clear todo list */
6658 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
6659 list_del(&addr->entry);
6663 while (!list_empty(&card->ip_list)) {
6664 addr = list_entry(card->ip_list.next,
6665 struct qeth_ipaddr, entry);
6666 list_del_init(&addr->entry);
6668 spin_unlock_irqrestore(&card->ip_lock, flags);
6669 qeth_deregister_addr_entry(card, addr);
6670 spin_lock_irqsave(&card->ip_lock, flags);
6672 if (!recover || addr->is_multicast) {
6676 list_add_tail(&addr->entry, card->ip_tbd_list);
6678 spin_unlock_irqrestore(&card->ip_lock, flags);
6682 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
6683 int clear_start_mask)
6685 unsigned long flags;
6687 spin_lock_irqsave(&card->thread_mask_lock, flags);
6688 card->thread_allowed_mask = threads;
6689 if (clear_start_mask)
6690 card->thread_start_mask &= threads;
6691 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
6692 wake_up(&card->wait_q);
6696 qeth_threads_running(struct qeth_card *card, unsigned long threads)
6698 unsigned long flags;
6701 spin_lock_irqsave(&card->thread_mask_lock, flags);
6702 rc = (card->thread_running_mask & threads);
6703 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
6708 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
6710 return wait_event_interruptible(card->wait_q,
6711 qeth_threads_running(card, threads) == 0);
6715 qeth_stop_card(struct qeth_card *card)
6719 QETH_DBF_TEXT(setup ,2,"stopcard");
6720 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
6722 qeth_set_allowed_threads(card, 0, 1);
6723 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
6724 return -ERESTARTSYS;
6725 if (card->read.state == CH_STATE_UP &&
6726 card->write.state == CH_STATE_UP &&
6727 (card->state == CARD_STATE_UP)) {
6729 dev_close(card->dev);
6731 if (!card->use_hard_stop) {
6732 __u8 *mac = &card->dev->dev_addr[0];
6733 if ((rc = qeth_layer2_send_setdelmac(card, mac,
6735 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
6736 if ((rc = qeth_send_stoplan(card)))
6737 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6739 card->state = CARD_STATE_SOFTSETUP;
6741 if (card->state == CARD_STATE_SOFTSETUP) {
6742 #ifdef CONFIG_QETH_VLAN
6743 if (card->options.layer2)
6744 qeth_layer2_process_vlans(card, 1);
6746 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
6747 qeth_clear_ipacmd_list(card);
6748 card->state = CARD_STATE_HARDSETUP;
6750 if (card->state == CARD_STATE_HARDSETUP) {
6751 if ((!card->use_hard_stop) &&
6752 (!card->options.layer2))
6753 if ((rc = qeth_put_unique_id(card)))
6754 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6755 qeth_qdio_clear_card(card, 0);
6756 qeth_clear_qdio_buffers(card);
6757 qeth_clear_working_pool_list(card);
6758 card->state = CARD_STATE_DOWN;
6760 if (card->state == CARD_STATE_DOWN) {
6761 qeth_clear_cmd_buffers(&card->read);
6762 qeth_clear_cmd_buffers(&card->write);
6764 card->use_hard_stop = 0;
6770 qeth_get_unique_id(struct qeth_card *card)
6773 #ifdef CONFIG_QETH_IPV6
6774 struct qeth_cmd_buffer *iob;
6775 struct qeth_ipa_cmd *cmd;
6777 QETH_DBF_TEXT(setup, 2, "guniqeid");
6779 if (!qeth_is_supported(card,IPA_IPV6)) {
6780 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6781 UNIQUE_ID_NOT_BY_CARD;
6785 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
6787 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6788 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
6789 card->info.unique_id;
6791 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
6793 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6794 UNIQUE_ID_NOT_BY_CARD;
6799 qeth_print_status_with_portname(struct qeth_card *card)
6804 sprintf(dbf_text, "%s", card->info.portname + 1);
6805 for (i = 0; i < 8; i++)
6807 (char) _ebcasc[(__u8) dbf_text[i]];
6809 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
6810 "with link type %s (portname: %s)\n",
6814 qeth_get_cardname(card),
6815 (card->info.mcl_level[0]) ? " (level: " : "",
6816 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
6817 (card->info.mcl_level[0]) ? ")" : "",
6818 qeth_get_cardname_short(card),
6824 qeth_print_status_no_portname(struct qeth_card *card)
6826 if (card->info.portname[0])
6827 printk("qeth: Device %s/%s/%s is a%s "
6828 "card%s%s%s\nwith link type %s "
6829 "(no portname needed by interface).\n",
6833 qeth_get_cardname(card),
6834 (card->info.mcl_level[0]) ? " (level: " : "",
6835 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
6836 (card->info.mcl_level[0]) ? ")" : "",
6837 qeth_get_cardname_short(card));
6839 printk("qeth: Device %s/%s/%s is a%s "
6840 "card%s%s%s\nwith link type %s.\n",
6844 qeth_get_cardname(card),
6845 (card->info.mcl_level[0]) ? " (level: " : "",
6846 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
6847 (card->info.mcl_level[0]) ? ")" : "",
6848 qeth_get_cardname_short(card));
6852 qeth_print_status_message(struct qeth_card *card)
6854 switch (card->info.type) {
6855 case QETH_CARD_TYPE_OSAE:
6856 /* VM will use a non-zero first character
6857 * to indicate a HiperSockets like reporting
6858 * of the level OSA sets the first character to zero
6860 if (!card->info.mcl_level[0]) {
6861 sprintf(card->info.mcl_level,"%02x%02x",
6862 card->info.mcl_level[2],
6863 card->info.mcl_level[3]);
6865 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
6869 case QETH_CARD_TYPE_IQD:
6870 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
6871 card->info.mcl_level[0]];
6872 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
6873 card->info.mcl_level[1]];
6874 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
6875 card->info.mcl_level[2]];
6876 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
6877 card->info.mcl_level[3]];
6878 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
6881 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
6883 if (card->info.portname_required)
6884 qeth_print_status_with_portname(card);
6886 qeth_print_status_no_portname(card);
6890 qeth_register_netdev(struct qeth_card *card)
6894 QETH_DBF_TEXT(setup, 3, "regnetd");
6895 if (card->dev->reg_state != NETREG_UNINITIALIZED)
6898 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
6899 rc = register_netdev(card->dev);
6901 strcpy(card->info.if_name, card->dev->name);
6907 qeth_start_again(struct qeth_card *card)
6909 QETH_DBF_TEXT(setup ,2, "startag");
6912 dev_open(card->dev);
6914 /* this also sets saved unicast addresses */
6915 qeth_set_multicast_list(card->dev);
6919 /* Layer 2 specific stuff */
6920 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
6921 if (card->options.option == value) { \
6922 PRINT_ERR("%s not supported with layer 2 " \
6923 "functionality, ignoring option on read" \
6924 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
6925 card->options.option = reset_value; \
6927 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
6928 if (card->options.option != value) { \
6929 PRINT_ERR("%s not supported with layer 2 " \
6930 "functionality, ignoring option on read" \
6931 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
6932 card->options.option = reset_value; \
6936 static void qeth_make_parameters_consistent(struct qeth_card *card)
6939 if (card->options.layer2) {
6940 if (card->info.type == QETH_CARD_TYPE_IQD) {
6941 PRINT_ERR("Device %s does not support " \
6942 "layer 2 functionality. " \
6943 "Ignoring layer2 option.\n",CARD_BUS_ID(card));
6945 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
6946 "Routing options are");
6947 #ifdef CONFIG_QETH_IPV6
6948 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
6949 "Routing options are");
6951 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
6952 QETH_CHECKSUM_DEFAULT,
6953 "Checksumming options are");
6954 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
6955 QETH_TR_BROADCAST_ALLRINGS,
6956 "Broadcast mode options are");
6957 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
6958 QETH_TR_MACADDR_NONCANONICAL,
6959 "Canonical MAC addr options are");
6960 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
6961 "Broadcast faking options are");
6962 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
6963 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
6964 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
6970 qeth_set_online(struct ccwgroup_device *gdev)
6972 struct qeth_card *card = gdev->dev.driver_data;
6974 enum qeth_card_states recover_flag;
6977 QETH_DBF_TEXT(setup ,2, "setonlin");
6978 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
6980 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
6981 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
6982 PRINT_WARN("set_online of card %s interrupted by user!\n",
6984 return -ERESTARTSYS;
6987 recover_flag = card->state;
6988 if (ccw_device_set_online(CARD_RDEV(card)) ||
6989 ccw_device_set_online(CARD_WDEV(card)) ||
6990 ccw_device_set_online(CARD_DDEV(card))){
6991 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6995 if (card->options.layer2)
6996 qeth_make_parameters_consistent(card);
6998 if ((rc = qeth_hardsetup_card(card))){
6999 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7002 card->state = CARD_STATE_HARDSETUP;
7004 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7005 rc = qeth_get_unique_id(card);
7007 if (rc && card->options.layer2 == 0) {
7008 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7011 qeth_print_status_message(card);
7012 if ((rc = qeth_register_netdev(card))){
7013 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7016 if ((rc = qeth_softsetup_card(card))){
7017 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7020 card->state = CARD_STATE_SOFTSETUP;
7022 if ((rc = qeth_init_qdio_queues(card))){
7023 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7026 /*maybe it was set offline without ifconfig down
7027 * we can also use this state for recovery purposes*/
7028 if (card->options.layer2)
7029 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 0);
7031 qeth_set_allowed_threads(card, 0xffffffff, 0);
7032 if (recover_flag == CARD_STATE_RECOVER)
7033 qeth_start_again(card);
7034 qeth_notify_processes();
7037 card->use_hard_stop = 1;
7038 qeth_stop_card(card);
7039 ccw_device_set_offline(CARD_DDEV(card));
7040 ccw_device_set_offline(CARD_WDEV(card));
7041 ccw_device_set_offline(CARD_RDEV(card));
7042 if (recover_flag == CARD_STATE_RECOVER)
7043 card->state = CARD_STATE_RECOVER;
7045 card->state = CARD_STATE_DOWN;
7049 static struct ccw_device_id qeth_ids[] = {
7050 {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
7051 {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
7054 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7056 struct device *qeth_root_dev = NULL;
7058 struct ccwgroup_driver qeth_ccwgroup_driver = {
7059 .owner = THIS_MODULE,
7061 .driver_id = 0xD8C5E3C8,
7062 .probe = qeth_probe_device,
7063 .remove = qeth_remove_device,
7064 .set_online = qeth_set_online,
7065 .set_offline = qeth_set_offline,
7068 struct ccw_driver qeth_ccw_driver = {
7071 .probe = ccwgroup_probe_ccwdev,
7072 .remove = ccwgroup_remove_ccwdev,
7077 qeth_unregister_dbf_views(void)
7080 debug_unregister(qeth_dbf_setup);
7082 debug_unregister(qeth_dbf_qerr);
7084 debug_unregister(qeth_dbf_sense);
7086 debug_unregister(qeth_dbf_misc);
7088 debug_unregister(qeth_dbf_data);
7089 if (qeth_dbf_control)
7090 debug_unregister(qeth_dbf_control);
7092 debug_unregister(qeth_dbf_trace);
7095 qeth_register_dbf_views(void)
7097 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7098 QETH_DBF_SETUP_INDEX,
7099 QETH_DBF_SETUP_NR_AREAS,
7100 QETH_DBF_SETUP_LEN);
7101 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7102 QETH_DBF_MISC_INDEX,
7103 QETH_DBF_MISC_NR_AREAS,
7105 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7106 QETH_DBF_DATA_INDEX,
7107 QETH_DBF_DATA_NR_AREAS,
7109 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7110 QETH_DBF_CONTROL_INDEX,
7111 QETH_DBF_CONTROL_NR_AREAS,
7112 QETH_DBF_CONTROL_LEN);
7113 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7114 QETH_DBF_SENSE_INDEX,
7115 QETH_DBF_SENSE_NR_AREAS,
7116 QETH_DBF_SENSE_LEN);
7117 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7118 QETH_DBF_QERR_INDEX,
7119 QETH_DBF_QERR_NR_AREAS,
7121 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7122 QETH_DBF_TRACE_INDEX,
7123 QETH_DBF_TRACE_NR_AREAS,
7124 QETH_DBF_TRACE_LEN);
7126 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
7127 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
7128 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
7129 (qeth_dbf_trace == NULL)) {
7130 qeth_unregister_dbf_views();
7133 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7134 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
7136 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
7137 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
7139 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
7140 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
7142 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
7143 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
7145 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
7146 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
7148 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
7149 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
7151 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
7152 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
7157 #ifdef CONFIG_QETH_IPV6
7158 extern struct neigh_table arp_tbl;
7159 static struct neigh_ops *arp_direct_ops;
7160 static int (*qeth_old_arp_constructor) (struct neighbour *);
7162 static struct neigh_ops arp_direct_ops_template = {
7166 .error_report = NULL,
7167 .output = dev_queue_xmit,
7168 .connected_output = dev_queue_xmit,
7169 .hh_output = dev_queue_xmit,
7170 .queue_xmit = dev_queue_xmit
7174 qeth_arp_constructor(struct neighbour *neigh)
7176 struct net_device *dev = neigh->dev;
7177 struct in_device *in_dev;
7178 struct neigh_parms *parms;
7179 struct qeth_card *card;
7181 card = qeth_get_card_from_dev(dev);
7184 if(card->options.layer2)
7188 in_dev = rcu_dereference(__in_dev_get(dev));
7189 if (in_dev == NULL) {
7194 parms = in_dev->arp_parms;
7195 __neigh_parms_put(neigh->parms);
7196 neigh->parms = neigh_parms_clone(parms);
7199 neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
7200 neigh->nud_state = NUD_NOARP;
7201 neigh->ops = arp_direct_ops;
7202 neigh->output = neigh->ops->queue_xmit;
7205 return qeth_old_arp_constructor(neigh);
7207 #endif /*CONFIG_QETH_IPV6*/
7210 * IP address takeover related functions
7213 qeth_clear_ipato_list(struct qeth_card *card)
7215 struct qeth_ipato_entry *ipatoe, *tmp;
7216 unsigned long flags;
7218 spin_lock_irqsave(&card->ip_lock, flags);
7219 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
7220 list_del(&ipatoe->entry);
7223 spin_unlock_irqrestore(&card->ip_lock, flags);
7227 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
7229 struct qeth_ipato_entry *ipatoe;
7230 unsigned long flags;
7233 QETH_DBF_TEXT(trace, 2, "addipato");
7234 spin_lock_irqsave(&card->ip_lock, flags);
7235 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
7236 if (ipatoe->proto != new->proto)
7238 if (!memcmp(ipatoe->addr, new->addr,
7239 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
7240 (ipatoe->mask_bits == new->mask_bits)){
7241 PRINT_WARN("ipato entry already exists!\n");
7247 list_add_tail(&new->entry, &card->ipato.entries);
7249 spin_unlock_irqrestore(&card->ip_lock, flags);
7254 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
7255 u8 *addr, int mask_bits)
7257 struct qeth_ipato_entry *ipatoe, *tmp;
7258 unsigned long flags;
7260 QETH_DBF_TEXT(trace, 2, "delipato");
7261 spin_lock_irqsave(&card->ip_lock, flags);
7262 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
7263 if (ipatoe->proto != proto)
7265 if (!memcmp(ipatoe->addr, addr,
7266 (proto == QETH_PROT_IPV4)? 4:16) &&
7267 (ipatoe->mask_bits == mask_bits)){
7268 list_del(&ipatoe->entry);
7272 spin_unlock_irqrestore(&card->ip_lock, flags);
7276 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
7281 for (i = 0; i < len; ++i){
7283 for (j = 7; j >= 0; --j){
7284 bits[i*8 + j] = octet & 1;
7291 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
7293 struct qeth_ipato_entry *ipatoe;
7294 u8 addr_bits[128] = {0, };
7295 u8 ipatoe_bits[128] = {0, };
7298 if (!card->ipato.enabled)
7301 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
7302 (addr->proto == QETH_PROT_IPV4)? 4:16);
7303 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
7304 if (addr->proto != ipatoe->proto)
7306 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
7307 (ipatoe->proto==QETH_PROT_IPV4) ?
7309 if (addr->proto == QETH_PROT_IPV4)
7310 rc = !memcmp(addr_bits, ipatoe_bits,
7311 min(32, ipatoe->mask_bits));
7313 rc = !memcmp(addr_bits, ipatoe_bits,
7314 min(128, ipatoe->mask_bits));
7319 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
7321 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
7328 * VIPA related functions
7331 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
7334 struct qeth_ipaddr *ipaddr;
7335 unsigned long flags;
7338 ipaddr = qeth_get_addr_buffer(proto);
7340 if (proto == QETH_PROT_IPV4){
7341 QETH_DBF_TEXT(trace, 2, "addvipa4");
7342 memcpy(&ipaddr->u.a4.addr, addr, 4);
7343 ipaddr->u.a4.mask = 0;
7344 #ifdef CONFIG_QETH_IPV6
7345 } else if (proto == QETH_PROT_IPV6){
7346 QETH_DBF_TEXT(trace, 2, "addvipa6");
7347 memcpy(&ipaddr->u.a6.addr, addr, 16);
7348 ipaddr->u.a6.pfxlen = 0;
7351 ipaddr->type = QETH_IP_TYPE_VIPA;
7352 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
7353 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
7356 spin_lock_irqsave(&card->ip_lock, flags);
7357 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
7358 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
7360 spin_unlock_irqrestore(&card->ip_lock, flags);
7362 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
7365 if (!qeth_add_ip(card, ipaddr))
7367 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7368 schedule_work(&card->kernel_thread_starter);
7373 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
7376 struct qeth_ipaddr *ipaddr;
7378 ipaddr = qeth_get_addr_buffer(proto);
7380 if (proto == QETH_PROT_IPV4){
7381 QETH_DBF_TEXT(trace, 2, "delvipa4");
7382 memcpy(&ipaddr->u.a4.addr, addr, 4);
7383 ipaddr->u.a4.mask = 0;
7384 #ifdef CONFIG_QETH_IPV6
7385 } else if (proto == QETH_PROT_IPV6){
7386 QETH_DBF_TEXT(trace, 2, "delvipa6");
7387 memcpy(&ipaddr->u.a6.addr, addr, 16);
7388 ipaddr->u.a6.pfxlen = 0;
7391 ipaddr->type = QETH_IP_TYPE_VIPA;
7394 if (!qeth_delete_ip(card, ipaddr))
7396 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7397 schedule_work(&card->kernel_thread_starter);
7401 * proxy ARP related functions
7404 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
7407 struct qeth_ipaddr *ipaddr;
7408 unsigned long flags;
7411 ipaddr = qeth_get_addr_buffer(proto);
7413 if (proto == QETH_PROT_IPV4){
7414 QETH_DBF_TEXT(trace, 2, "addrxip4");
7415 memcpy(&ipaddr->u.a4.addr, addr, 4);
7416 ipaddr->u.a4.mask = 0;
7417 #ifdef CONFIG_QETH_IPV6
7418 } else if (proto == QETH_PROT_IPV6){
7419 QETH_DBF_TEXT(trace, 2, "addrxip6");
7420 memcpy(&ipaddr->u.a6.addr, addr, 16);
7421 ipaddr->u.a6.pfxlen = 0;
7424 ipaddr->type = QETH_IP_TYPE_RXIP;
7425 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
7426 ipaddr->del_flags = 0;
7429 spin_lock_irqsave(&card->ip_lock, flags);
7430 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
7431 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
7433 spin_unlock_irqrestore(&card->ip_lock, flags);
7435 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
7438 if (!qeth_add_ip(card, ipaddr))
7440 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7441 schedule_work(&card->kernel_thread_starter);
7446 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
7449 struct qeth_ipaddr *ipaddr;
7451 ipaddr = qeth_get_addr_buffer(proto);
7453 if (proto == QETH_PROT_IPV4){
7454 QETH_DBF_TEXT(trace, 2, "addrxip4");
7455 memcpy(&ipaddr->u.a4.addr, addr, 4);
7456 ipaddr->u.a4.mask = 0;
7457 #ifdef CONFIG_QETH_IPV6
7458 } else if (proto == QETH_PROT_IPV6){
7459 QETH_DBF_TEXT(trace, 2, "addrxip6");
7460 memcpy(&ipaddr->u.a6.addr, addr, 16);
7461 ipaddr->u.a6.pfxlen = 0;
7464 ipaddr->type = QETH_IP_TYPE_RXIP;
7467 if (!qeth_delete_ip(card, ipaddr))
7469 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7470 schedule_work(&card->kernel_thread_starter);
7477 qeth_ip_event(struct notifier_block *this,
7478 unsigned long event,void *ptr)
7480 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
7481 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
7482 struct qeth_ipaddr *addr;
7483 struct qeth_card *card;
7485 QETH_DBF_TEXT(trace,3,"ipevent");
7486 card = qeth_get_card_from_dev(dev);
7489 if (card->options.layer2)
7492 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
7494 addr->u.a4.addr = ifa->ifa_address;
7495 addr->u.a4.mask = ifa->ifa_mask;
7496 addr->type = QETH_IP_TYPE_NORMAL;
7502 if (!qeth_add_ip(card, addr))
7506 if (!qeth_delete_ip(card, addr))
7512 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7513 schedule_work(&card->kernel_thread_starter);
7518 static struct notifier_block qeth_ip_notifier = {
7523 #ifdef CONFIG_QETH_IPV6
7525 * IPv6 event handler
7528 qeth_ip6_event(struct notifier_block *this,
7529 unsigned long event,void *ptr)
7532 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
7533 struct net_device *dev = (struct net_device *)ifa->idev->dev;
7534 struct qeth_ipaddr *addr;
7535 struct qeth_card *card;
7537 QETH_DBF_TEXT(trace,3,"ip6event");
7539 card = qeth_get_card_from_dev(dev);
7542 if (!qeth_is_supported(card, IPA_IPV6))
7545 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
7547 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
7548 addr->u.a6.pfxlen = ifa->prefix_len;
7549 addr->type = QETH_IP_TYPE_NORMAL;
7555 if (!qeth_add_ip(card, addr))
7559 if (!qeth_delete_ip(card, addr))
7565 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7566 schedule_work(&card->kernel_thread_starter);
7571 static struct notifier_block qeth_ip6_notifier = {
7578 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
7581 struct device *entry;
7582 struct qeth_card *card;
7584 down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
7585 list_for_each_entry(entry, &qeth_ccwgroup_driver.driver.devices,
7587 card = (struct qeth_card *) entry->driver_data;
7588 qeth_clear_ip_list(card, 0, 0);
7589 qeth_qdio_clear_card(card, 0);
7591 up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
7596 static struct notifier_block qeth_reboot_notifier = {
7602 qeth_register_notifiers(void)
7606 QETH_DBF_TEXT(trace,5,"regnotif");
7607 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
7609 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
7611 #ifdef CONFIG_QETH_IPV6
7612 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
7617 #ifdef CONFIG_QETH_IPV6
7619 unregister_inetaddr_notifier(&qeth_ip_notifier);
7622 unregister_reboot_notifier(&qeth_reboot_notifier);
7627 * unregister all event notifiers
7630 qeth_unregister_notifiers(void)
7633 QETH_DBF_TEXT(trace,5,"unregnot");
7634 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
7635 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
7636 #ifdef CONFIG_QETH_IPV6
7637 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
7638 #endif /* QETH_IPV6 */
7642 #ifdef CONFIG_QETH_IPV6
7644 qeth_ipv6_init(void)
7646 qeth_old_arp_constructor = arp_tbl.constructor;
7647 write_lock(&arp_tbl.lock);
7648 arp_tbl.constructor = qeth_arp_constructor;
7649 write_unlock(&arp_tbl.lock);
7651 arp_direct_ops = (struct neigh_ops*)
7652 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
7653 if (!arp_direct_ops)
7656 memcpy(arp_direct_ops, &arp_direct_ops_template,
7657 sizeof(struct neigh_ops));
7663 qeth_ipv6_uninit(void)
7665 write_lock(&arp_tbl.lock);
7666 arp_tbl.constructor = qeth_old_arp_constructor;
7667 write_unlock(&arp_tbl.lock);
7668 kfree(arp_direct_ops);
7670 #endif /* CONFIG_QETH_IPV6 */
7673 qeth_sysfs_unregister(void)
7675 qeth_remove_driver_attributes();
7676 ccw_driver_unregister(&qeth_ccw_driver);
7677 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
7678 s390_root_dev_unregister(qeth_root_dev);
7681 * register qeth at sysfs
7684 qeth_sysfs_register(void)
7688 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
7691 rc = ccw_driver_register(&qeth_ccw_driver);
7694 rc = qeth_create_driver_attributes();
7697 qeth_root_dev = s390_root_dev_register("qeth");
7698 if (IS_ERR(qeth_root_dev)) {
7699 rc = PTR_ERR(qeth_root_dev);
7714 PRINT_INFO("loading %s (%s/%s/%s/%s/%s/%s/%s %s %s)\n",
7715 version, VERSION_QETH_C, VERSION_QETH_H,
7716 VERSION_QETH_MPC_H, VERSION_QETH_MPC_C,
7717 VERSION_QETH_FS_H, VERSION_QETH_PROC_C,
7718 VERSION_QETH_SYS_C, QETH_VERSION_IPV6,
7721 INIT_LIST_HEAD(&qeth_card_list.list);
7722 INIT_LIST_HEAD(&qeth_notify_list);
7723 spin_lock_init(&qeth_notify_lock);
7724 rwlock_init(&qeth_card_list.rwlock);
7726 if (qeth_register_dbf_views())
7728 if (qeth_sysfs_register())
7731 #ifdef CONFIG_QETH_IPV6
7732 if (qeth_ipv6_init()) {
7733 PRINT_ERR("Out of memory during ipv6 init.\n");
7736 #endif /* QETH_IPV6 */
7737 if (qeth_register_notifiers())
7739 if (qeth_create_procfs_entries())
7745 qeth_unregister_notifiers();
7747 #ifdef CONFIG_QETH_IPV6
7749 #endif /* QETH_IPV6 */
7751 qeth_sysfs_unregister();
7752 qeth_unregister_dbf_views();
7754 PRINT_ERR("Initialization failed");
7759 __exit qeth_exit(void)
7761 struct qeth_card *card, *tmp;
7762 unsigned long flags;
7764 QETH_DBF_TEXT(trace,1, "cleanup.");
7767 * Weed would not need to clean up our devices here, because the
7768 * common device layer calls qeth_remove_device for each device
7769 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
7770 * But we do cleanup here so we can do a "soft" shutdown of our cards.
7771 * qeth_remove_device called by the common device layer would otherwise
7772 * do a "hard" shutdown (card->use_hard_stop is set to one in
7773 * qeth_remove_device).
7776 read_lock_irqsave(&qeth_card_list.rwlock, flags);
7777 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
7778 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
7779 qeth_set_offline(card->gdev);
7780 qeth_remove_device(card->gdev);
7783 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
7784 #ifdef CONFIG_QETH_IPV6
7787 qeth_unregister_notifiers();
7788 qeth_remove_procfs_entries();
7789 qeth_sysfs_unregister();
7790 qeth_unregister_dbf_views();
7791 printk("qeth: removed\n");
7794 EXPORT_SYMBOL(qeth_eyecatcher);
7795 module_init(qeth_init);
7796 module_exit(qeth_exit);
7797 MODULE_AUTHOR("Frank Pavlic <pavlic@de.ibm.com>");
7798 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
7799 "Copyright 2000,2003 IBM Corporation\n");
7801 MODULE_LICENSE("GPL");