3 * linux/drivers/s390/net/qeth_main.c ($Revision: 1.112 $)
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: 1.112 $ $Date: 2004/05/19 09:28:21 $
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.
34 * eye catcher; just for debugging purposes
42 #include <linux/config.h>
43 #include <linux/module.h>
44 #include <linux/moduleparam.h>
46 #include <linux/string.h>
47 #include <linux/errno.h>
51 #include <asm/ebcdic.h>
52 #include <linux/ctype.h>
53 #include <asm/semaphore.h>
54 #include <asm/timex.h>
56 #include <linux/inetdevice.h>
57 #include <linux/netdevice.h>
58 #include <linux/sched.h>
59 #include <linux/workqueue.h>
60 #include <linux/kernel.h>
61 #include <linux/slab.h>
62 #include <linux/interrupt.h>
63 #include <linux/tcp.h>
64 #include <linux/icmp.h>
65 #include <linux/skbuff.h>
66 #include <net/route.h>
69 #include <linux/igmp.h>
71 #include <asm/uaccess.h>
72 #include <linux/init.h>
73 #include <linux/reboot.h>
75 #include <linux/mii.h>
81 #define VERSION_QETH_C "$Revision: 1.112 $"
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;
94 static char qeth_dbf_text_buf[255];
97 * some more definitions and declarations
99 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
101 /* list of our cards */
102 struct qeth_card_list_struct qeth_card_list;
103 /*process list want to be notified*/
104 spinlock_t qeth_notify_lock;
105 struct list_head qeth_notify_list;
107 static void qeth_send_control_data_cb(struct qeth_channel *,
108 struct qeth_cmd_buffer *);
111 * here we go with function implementation
114 qeth_init_qdio_info(struct qeth_card *card);
117 qeth_init_qdio_queues(struct qeth_card *card);
120 qeth_alloc_qdio_buffers(struct qeth_card *card);
123 qeth_free_qdio_buffers(struct qeth_card *);
126 qeth_clear_qdio_buffers(struct qeth_card *);
129 qeth_clear_ip_list(struct qeth_card *, int, int);
132 qeth_clear_ipacmd_list(struct qeth_card *);
135 qeth_qdio_clear_card(struct qeth_card *, int);
138 qeth_clear_working_pool_list(struct qeth_card *);
141 qeth_clear_cmd_buffers(struct qeth_channel *);
144 qeth_stop(struct net_device *);
147 qeth_clear_ipato_list(struct qeth_card *);
150 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
153 qeth_irq_tasklet(unsigned long);
156 qeth_set_online(struct ccwgroup_device *);
158 static struct qeth_ipaddr *
159 qeth_get_addr_buffer(enum qeth_prot_versions);
162 qeth_notify_processes(void)
164 /*notify all registered processes */
165 struct qeth_notify_list_struct *n_entry;
167 QETH_DBF_TEXT(trace,3,"procnoti");
168 spin_lock(&qeth_notify_lock);
169 list_for_each_entry(n_entry, &qeth_notify_list, list) {
170 send_sig(n_entry->signum, n_entry->task, 1);
172 spin_unlock(&qeth_notify_lock);
176 qeth_notifier_unregister(struct task_struct *p)
178 struct qeth_notify_list_struct *n_entry, *tmp;
180 QETH_DBF_TEXT(trace, 2, "notunreg");
181 spin_lock(&qeth_notify_lock);
182 list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
183 if (n_entry->task == p) {
184 list_del(&n_entry->list);
190 spin_unlock(&qeth_notify_lock);
194 qeth_notifier_register(struct task_struct *p, int signum)
196 struct qeth_notify_list_struct *n_entry;
198 QETH_DBF_TEXT(trace, 2, "notreg");
199 /*check first if entry already exists*/
200 spin_lock(&qeth_notify_lock);
201 list_for_each_entry(n_entry, &qeth_notify_list, list) {
202 if (n_entry->task == p) {
203 n_entry->signum = signum;
204 spin_unlock(&qeth_notify_lock);
208 spin_unlock(&qeth_notify_lock);
210 n_entry = (struct qeth_notify_list_struct *)
211 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
215 n_entry->signum = signum;
216 spin_lock(&qeth_notify_lock);
217 list_add(&n_entry->list,&qeth_notify_list);
218 spin_unlock(&qeth_notify_lock);
224 * free channel command buffers
227 qeth_clean_channel(struct qeth_channel *channel)
231 QETH_DBF_TEXT(setup, 2, "freech");
232 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
233 kfree(channel->iob[cnt].data);
240 qeth_free_card(struct qeth_card *card)
243 QETH_DBF_TEXT(setup, 2, "freecrd");
244 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
245 qeth_clean_channel(&card->read);
246 qeth_clean_channel(&card->write);
248 free_netdev(card->dev);
249 qeth_clear_ip_list(card, 0, 0);
250 qeth_clear_ipato_list(card);
251 qeth_free_qdio_buffers(card);
256 * alloc memory for command buffer per channel
259 qeth_setup_channel(struct qeth_channel *channel)
263 QETH_DBF_TEXT(setup, 2, "setupch");
264 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
265 channel->iob[cnt].data = (char *)
266 kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
267 if (channel->iob[cnt].data == NULL)
269 channel->iob[cnt].state = BUF_STATE_FREE;
270 channel->iob[cnt].channel = channel;
271 channel->iob[cnt].callback = qeth_send_control_data_cb;
272 channel->iob[cnt].rc = 0;
274 if (cnt < QETH_CMD_BUFFER_NO) {
276 kfree(channel->iob[cnt].data);
280 channel->io_buf_no = 0;
281 atomic_set(&channel->irq_pending, 0);
282 spin_lock_init(&channel->iob_lock);
284 init_waitqueue_head(&channel->wait_q);
285 channel->irq_tasklet.data = (unsigned long) channel;
286 channel->irq_tasklet.func = qeth_irq_tasklet;
291 * alloc memory for card structure
293 static struct qeth_card *
294 qeth_alloc_card(void)
296 struct qeth_card *card;
298 QETH_DBF_TEXT(setup, 2, "alloccrd");
299 card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card),
303 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
304 memset(card, 0, sizeof(struct qeth_card));
305 if (qeth_setup_channel(&card->read)) {
309 if (qeth_setup_channel(&card->write)) {
310 qeth_clean_channel(&card->read);
318 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
323 switch (PTR_ERR(irb)) {
325 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
326 QETH_DBF_TEXT(trace, 2, "ckirberr");
327 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
330 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
331 QETH_DBF_TEXT(trace, 2, "ckirberr");
332 QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT);
335 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
337 QETH_DBF_TEXT(trace, 2, "ckirberr");
338 QETH_DBF_TEXT(trace, 2, " rc???");
344 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
349 sense = (char *) irb->ecw;
350 cstat = irb->scsw.cstat;
351 dstat = irb->scsw.dstat;
353 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
354 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
355 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
356 QETH_DBF_TEXT(trace,2, "CGENCHK");
357 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
358 cdev->dev.bus_id, dstat, cstat);
359 HEXDUMP16(WARN, "irb: ", irb);
360 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
364 if (dstat & DEV_STAT_UNIT_CHECK) {
365 if (sense[SENSE_RESETTING_EVENT_BYTE] &
366 SENSE_RESETTING_EVENT_FLAG) {
367 QETH_DBF_TEXT(trace,2,"REVIND");
370 if (sense[SENSE_COMMAND_REJECT_BYTE] &
371 SENSE_COMMAND_REJECT_FLAG) {
372 QETH_DBF_TEXT(trace,2,"CMDREJi");
375 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
376 QETH_DBF_TEXT(trace,2,"AFFE");
379 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
380 QETH_DBF_TEXT(trace,2,"ZEROSEN");
383 QETH_DBF_TEXT(trace,2,"DGENCHK");
388 static int qeth_issue_next_read(struct qeth_card *);
394 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
398 struct qeth_cmd_buffer *buffer;
399 struct qeth_channel *channel;
400 struct qeth_card *card;
402 QETH_DBF_TEXT(trace,5,"irq");
404 if (__qeth_check_irb_error(cdev, irb))
406 cstat = irb->scsw.cstat;
407 dstat = irb->scsw.dstat;
409 card = CARD_FROM_CDEV(cdev);
413 if (card->read.ccwdev == cdev){
414 channel = &card->read;
415 QETH_DBF_TEXT(trace,5,"read");
416 } else if (card->write.ccwdev == cdev) {
417 channel = &card->write;
418 QETH_DBF_TEXT(trace,5,"write");
420 channel = &card->data;
421 QETH_DBF_TEXT(trace,5,"data");
423 atomic_set(&channel->irq_pending, 0);
425 if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
426 channel->state = CH_STATE_STOPPED;
428 if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
429 channel->state = CH_STATE_HALTED;
431 /*let's wake up immediately on data channel*/
432 if ((channel == &card->data) && (intparm != 0))
435 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
436 QETH_DBF_TEXT(trace, 6, "clrchpar");
437 /* we don't have to handle this further */
440 if (intparm == QETH_HALT_CHANNEL_PARM) {
441 QETH_DBF_TEXT(trace, 6, "hltchpar");
442 /* we don't have to handle this further */
445 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
446 (dstat & DEV_STAT_UNIT_CHECK) ||
448 if (irb->esw.esw0.erw.cons) {
449 /* TODO: we should make this s390dbf */
450 PRINT_WARN("sense data available on channel %s.\n",
451 CHANNEL_ID(channel));
452 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
453 HEXDUMP16(WARN,"irb: ",irb);
454 HEXDUMP16(WARN,"sense data: ",irb->ecw);
456 rc = qeth_get_problem(cdev,irb);
458 qeth_schedule_recovery(card);
464 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
465 buffer->state = BUF_STATE_PROCESSED;
467 if (channel == &card->data)
470 if (channel == &card->read &&
471 channel->state == CH_STATE_UP)
472 qeth_issue_next_read(card);
474 tasklet_schedule(&channel->irq_tasklet);
477 wake_up(&card->wait_q);
481 * tasklet function scheduled from irq handler
484 qeth_irq_tasklet(unsigned long data)
486 struct qeth_card *card;
487 struct qeth_channel *channel;
488 struct qeth_cmd_buffer *iob;
491 QETH_DBF_TEXT(trace,5,"irqtlet");
492 channel = (struct qeth_channel *) data;
494 index = channel->buf_no;
495 card = CARD_FROM_CDEV(channel->ccwdev);
496 while (iob[index].state == BUF_STATE_PROCESSED) {
497 if (iob[index].callback !=NULL) {
498 iob[index].callback(channel,iob + index);
500 index = (index + 1) % QETH_CMD_BUFFER_NO;
502 channel->buf_no = index;
503 wake_up(&card->wait_q);
506 static int qeth_stop_card(struct qeth_card *);
509 qeth_set_offline(struct ccwgroup_device *cgdev)
511 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
512 enum qeth_card_states recover_flag;
514 QETH_DBF_TEXT(setup, 3, "setoffl");
515 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
517 recover_flag = card->state;
518 if (qeth_stop_card(card) == -ERESTARTSYS){
519 PRINT_WARN("Stopping card %s interrupted by user!\n",
523 ccw_device_set_offline(CARD_DDEV(card));
524 ccw_device_set_offline(CARD_WDEV(card));
525 ccw_device_set_offline(CARD_RDEV(card));
526 if (recover_flag == CARD_STATE_UP)
527 card->state = CARD_STATE_RECOVER;
528 qeth_notify_processes();
533 qeth_remove_device(struct ccwgroup_device *cgdev)
535 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
538 QETH_DBF_TEXT(setup, 3, "rmdev");
539 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
544 if (cgdev->state == CCWGROUP_ONLINE){
545 card->use_hard_stop = 1;
546 qeth_set_offline(cgdev);
548 /* remove form our internal list */
549 write_lock_irqsave(&qeth_card_list.rwlock, flags);
550 list_del(&card->list);
551 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
553 unregister_netdev(card->dev);
554 qeth_remove_device_attributes(&cgdev->dev);
555 qeth_free_card(card);
556 cgdev->dev.driver_data = NULL;
557 put_device(&cgdev->dev);
561 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
563 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
566 * Add/remove address to/from card's ip list, i.e. try to add or remove
567 * reference to/from an IP address that is already registered on the card.
569 * 0 address was on card and its reference count has been adjusted,
570 * but is still > 0, so nothing has to be done
571 * also returns 0 if card was not on card and the todo was to delete
572 * the address -> there is also nothing to be done
573 * 1 address was not on card and the todo is to add it to the card's ip
575 * -1 address was on card and its reference count has been decremented
576 * to <= 0 by the todo -> address must be removed from card
579 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
580 struct qeth_ipaddr **__addr)
582 struct qeth_ipaddr *addr;
585 list_for_each_entry(addr, &card->ip_list, entry) {
586 if ((addr->proto == QETH_PROT_IPV4) &&
587 (todo->proto == QETH_PROT_IPV4) &&
588 (addr->type == todo->type) &&
589 (addr->u.a4.addr == todo->u.a4.addr) &&
590 (addr->u.a4.mask == todo->u.a4.mask) ){
594 if ((addr->proto == QETH_PROT_IPV6) &&
595 (todo->proto == QETH_PROT_IPV6) &&
596 (addr->type == todo->type) &&
597 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
598 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
599 sizeof(struct in6_addr)) == 0)) {
605 addr->users += todo->users;
606 if (addr->users <= 0){
610 /* for VIPA and RXIP limit refcount to 1 */
611 if (addr->type != QETH_IP_TYPE_NORMAL)
616 if (todo->users > 0){
617 /* for VIPA and RXIP limit refcount to 1 */
618 if (todo->type != QETH_IP_TYPE_NORMAL)
626 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
629 struct qeth_ipaddr *tmp;
631 list_for_each_entry(tmp, list, entry) {
632 if ((tmp->proto == QETH_PROT_IPV4) &&
633 (addr->proto == QETH_PROT_IPV4) &&
634 ((same_type && (tmp->type == addr->type)) ||
635 (!same_type && (tmp->type != addr->type)) ) &&
636 (tmp->u.a4.addr == addr->u.a4.addr) ){
639 if ((tmp->proto == QETH_PROT_IPV6) &&
640 (addr->proto == QETH_PROT_IPV6) &&
641 ((same_type && (tmp->type == addr->type)) ||
642 (!same_type && (tmp->type != addr->type)) ) &&
643 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
644 sizeof(struct in6_addr)) == 0) ) {
652 * Add IP to be added to todo list. If there is already an "add todo"
653 * in this list we just incremenent the reference count.
654 * Returns 0 if we just incremented reference count.
657 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
659 struct qeth_ipaddr *tmp, *t;
662 list_for_each_entry_safe(tmp, t, &card->ip_tbd_list, entry) {
663 if ((tmp->proto == QETH_PROT_IPV4) &&
664 (addr->proto == QETH_PROT_IPV4) &&
665 (tmp->type == addr->type) &&
666 (tmp->is_multicast == addr->is_multicast) &&
667 (tmp->u.a4.addr == addr->u.a4.addr) &&
668 (tmp->u.a4.mask == addr->u.a4.mask) ){
672 if ((tmp->proto == QETH_PROT_IPV6) &&
673 (addr->proto == QETH_PROT_IPV6) &&
674 (tmp->type == addr->type) &&
675 (tmp->is_multicast == addr->is_multicast) &&
676 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
677 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
678 sizeof(struct in6_addr)) == 0) ){
684 if (addr->users != 0)
685 tmp->users += addr->users;
687 tmp->users += add? 1:-1;
688 if (tmp->users == 0){
689 list_del(&tmp->entry);
694 if (addr->users == 0)
695 addr->users += add? 1:-1;
696 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
697 qeth_is_addr_covered_by_ipato(card, addr)){
698 QETH_DBF_TEXT(trace, 2, "tkovaddr");
699 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
701 list_add_tail(&addr->entry, &card->ip_tbd_list);
707 * Remove IP address from list
710 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
715 QETH_DBF_TEXT(trace,4,"delip");
716 if (addr->proto == QETH_PROT_IPV4)
717 QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
719 QETH_DBF_HEX(trace,4,&addr->u.a6.addr,4);
720 QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+4,4);
722 spin_lock_irqsave(&card->ip_lock, flags);
723 rc = __qeth_insert_ip_todo(card, addr, 0);
724 spin_unlock_irqrestore(&card->ip_lock, flags);
729 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
734 QETH_DBF_TEXT(trace,4,"addip");
735 if (addr->proto == QETH_PROT_IPV4)
736 QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
738 QETH_DBF_HEX(trace,4,&addr->u.a6.addr,4);
739 QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+4,4);
741 spin_lock_irqsave(&card->ip_lock, flags);
742 rc = __qeth_insert_ip_todo(card, addr, 1);
743 spin_unlock_irqrestore(&card->ip_lock, flags);
748 qeth_reinsert_todos(struct qeth_card *card, struct list_head *todos)
750 struct qeth_ipaddr *todo, *tmp;
752 list_for_each_entry_safe(todo, tmp, todos, entry){
753 list_del_init(&todo->entry);
754 if (todo->users < 0) {
755 if (!qeth_delete_ip(card, todo))
758 if (!qeth_add_ip(card, todo))
765 qeth_set_ip_addr_list(struct qeth_card *card)
767 struct list_head failed_todos;
768 struct qeth_ipaddr *todo, *addr;
772 QETH_DBF_TEXT(trace, 2, "sdiplist");
773 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
775 INIT_LIST_HEAD(&failed_todos);
777 spin_lock_irqsave(&card->ip_lock, flags);
778 while (!list_empty(&card->ip_tbd_list)) {
779 todo = list_entry(card->ip_tbd_list.next,
780 struct qeth_ipaddr, entry);
781 list_del_init(&todo->entry);
782 rc = __qeth_ref_ip_on_card(card, todo, &addr);
784 /* nothing to be done; only adjusted refcount */
786 } else if (rc == 1) {
787 /* new entry to be added to on-card list */
788 spin_unlock_irqrestore(&card->ip_lock, flags);
789 rc = qeth_register_addr_entry(card, todo);
790 spin_lock_irqsave(&card->ip_lock, flags);
792 list_add_tail(&todo->entry, &card->ip_list);
794 list_add_tail(&todo->entry, &failed_todos);
795 } else if (rc == -1) {
796 /* on-card entry to be removed */
797 list_del_init(&addr->entry);
798 spin_unlock_irqrestore(&card->ip_lock, flags);
799 rc = qeth_deregister_addr_entry(card, addr);
800 spin_lock_irqsave(&card->ip_lock, flags);
805 list_add_tail(&addr->entry, &card->ip_list);
806 list_add_tail(&todo->entry, &failed_todos);
810 spin_unlock_irqrestore(&card->ip_lock, flags);
811 qeth_reinsert_todos(card, &failed_todos);
814 static void qeth_delete_mc_addresses(struct qeth_card *);
815 static void qeth_add_multicast_ipv4(struct qeth_card *);
816 #ifdef CONFIG_QETH_IPV6
817 static void qeth_add_multicast_ipv6(struct qeth_card *);
821 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
825 spin_lock_irqsave(&card->thread_mask_lock, flags);
826 card->thread_start_mask |= thread;
827 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
831 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
835 spin_lock_irqsave(&card->thread_mask_lock, flags);
836 card->thread_start_mask &= ~thread;
837 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
838 wake_up(&card->wait_q);
842 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
846 spin_lock_irqsave(&card->thread_mask_lock, flags);
847 card->thread_running_mask &= ~thread;
848 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
849 wake_up(&card->wait_q);
853 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
858 spin_lock_irqsave(&card->thread_mask_lock, flags);
859 if (card->thread_start_mask & thread){
860 if ((card->thread_allowed_mask & thread) &&
861 !(card->thread_running_mask & thread)){
863 card->thread_start_mask &= ~thread;
864 card->thread_running_mask |= thread;
868 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
873 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
877 wait_event(card->wait_q,
878 (rc = __qeth_do_run_thread(card, thread)) >= 0);
883 qeth_register_mc_addresses(void *ptr)
885 struct qeth_card *card;
887 card = (struct qeth_card *) ptr;
888 daemonize("qeth_reg_mcaddrs");
889 QETH_DBF_TEXT(trace,4,"regmcth1");
890 if (!qeth_do_run_thread(card, QETH_SET_MC_THREAD))
892 QETH_DBF_TEXT(trace,4,"regmcth2");
893 qeth_delete_mc_addresses(card);
894 qeth_add_multicast_ipv4(card);
895 #ifdef CONFIG_QETH_IPV6
896 qeth_add_multicast_ipv6(card);
898 qeth_set_ip_addr_list(card);
899 qeth_clear_thread_running_bit(card, QETH_SET_MC_THREAD);
904 qeth_register_ip_address(void *ptr)
906 struct qeth_card *card;
908 card = (struct qeth_card *) ptr;
909 daemonize("qeth_reg_ip");
910 QETH_DBF_TEXT(trace,4,"regipth1");
911 if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD))
913 QETH_DBF_TEXT(trace,4,"regipth2");
914 qeth_set_ip_addr_list(card);
915 qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD);
920 qeth_recover(void *ptr)
922 struct qeth_card *card;
925 card = (struct qeth_card *) ptr;
926 daemonize("qeth_recover");
927 QETH_DBF_TEXT(trace,2,"recover1");
928 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
929 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
931 QETH_DBF_TEXT(trace,2,"recover2");
932 PRINT_WARN("Recovery of device %s started ...\n",
934 card->use_hard_stop = 1;
935 qeth_set_offline(card->gdev);
936 rc = qeth_set_online(card->gdev);
938 PRINT_INFO("Device %s successfully recovered!\n",
941 PRINT_INFO("Device %s could not be recovered!\n",
943 /* don't run another scheduled recovery */
944 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
945 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
950 qeth_schedule_recovery(struct qeth_card *card)
952 QETH_DBF_TEXT(trace,2,"startrec");
954 qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD);
955 schedule_work(&card->kernel_thread_starter);
959 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
964 spin_lock_irqsave(&card->thread_mask_lock, flags);
965 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
966 (u8) card->thread_start_mask,
967 (u8) card->thread_allowed_mask,
968 (u8) card->thread_running_mask);
969 rc = (card->thread_start_mask & thread);
970 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
975 qeth_start_kernel_thread(struct qeth_card *card)
977 QETH_DBF_TEXT(trace , 2, "strthrd");
979 if (card->read.state != CH_STATE_UP &&
980 card->write.state != CH_STATE_UP)
983 if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
984 kernel_thread(qeth_register_ip_address, (void *) card, SIGCHLD);
985 if (qeth_do_start_thread(card, QETH_SET_MC_THREAD))
986 kernel_thread(qeth_register_mc_addresses, (void *)card,SIGCHLD);
987 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
988 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
993 qeth_set_intial_options(struct qeth_card *card)
995 card->options.route4.type = NO_ROUTER;
996 #ifdef CONFIG_QETH_IPV6
997 card->options.route6.type = NO_ROUTER;
998 #endif /* QETH_IPV6 */
999 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1000 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1001 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1002 card->options.fake_broadcast = 0;
1003 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1004 card->options.fake_ll = 0;
1008 * initialize channels ,card and all state machines
1011 qeth_setup_card(struct qeth_card *card)
1014 QETH_DBF_TEXT(setup, 2, "setupcrd");
1015 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1017 card->read.state = CH_STATE_DOWN;
1018 card->write.state = CH_STATE_DOWN;
1019 card->data.state = CH_STATE_DOWN;
1020 card->state = CARD_STATE_DOWN;
1021 card->lan_online = 0;
1022 card->use_hard_stop = 0;
1024 #ifdef CONFIG_QETH_VLAN
1025 spin_lock_init(&card->vlanlock);
1026 card->vlangrp = NULL;
1028 spin_lock_init(&card->ip_lock);
1029 spin_lock_init(&card->thread_mask_lock);
1030 card->thread_start_mask = 0;
1031 card->thread_allowed_mask = 0;
1032 card->thread_running_mask = 0;
1033 INIT_WORK(&card->kernel_thread_starter,
1034 (void *)qeth_start_kernel_thread,card);
1035 INIT_LIST_HEAD(&card->ip_list);
1036 INIT_LIST_HEAD(&card->ip_tbd_list);
1037 INIT_LIST_HEAD(&card->cmd_waiter_list);
1038 init_waitqueue_head(&card->wait_q);
1039 /* intial options */
1040 qeth_set_intial_options(card);
1041 /* IP address takeover */
1042 INIT_LIST_HEAD(&card->ipato.entries);
1043 card->ipato.enabled = 0;
1044 card->ipato.invert4 = 0;
1045 card->ipato.invert6 = 0;
1046 /* init QDIO stuff */
1047 qeth_init_qdio_info(card);
1052 qeth_determine_card_type(struct qeth_card *card)
1056 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1058 while (known_devices[i][4]) {
1059 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1060 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1061 card->info.type = known_devices[i][4];
1062 card->qdio.no_out_queues = known_devices[i][8];
1063 card->info.is_multicast_different = known_devices[i][9];
1068 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1069 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1074 qeth_probe_device(struct ccwgroup_device *gdev)
1076 struct qeth_card *card;
1078 unsigned long flags;
1081 QETH_DBF_TEXT(setup, 2, "probedev");
1084 if (!get_device(dev))
1087 card = qeth_alloc_card();
1090 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1093 if ((rc = qeth_setup_card(card))){
1094 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1096 qeth_free_card(card);
1099 gdev->dev.driver_data = card;
1101 gdev->cdev[0]->handler = qeth_irq;
1102 gdev->cdev[1]->handler = qeth_irq;
1103 gdev->cdev[2]->handler = qeth_irq;
1105 rc = qeth_create_device_attributes(dev);
1108 qeth_free_card(card);
1111 card->read.ccwdev = gdev->cdev[0];
1112 card->write.ccwdev = gdev->cdev[1];
1113 card->data.ccwdev = gdev->cdev[2];
1114 if ((rc = qeth_determine_card_type(card))){
1115 PRINT_WARN("%s: not a valid card type\n", __func__);
1116 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1118 qeth_free_card(card);
1121 /* insert into our internal list */
1122 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1123 list_add_tail(&card->list, &qeth_card_list.list);
1124 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1130 qeth_get_unitaddr(struct qeth_card *card)
1136 QETH_DBF_TEXT(setup, 2, "getunit");
1137 rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1139 PRINT_ERR("read_conf_data for device %s returned %i\n",
1140 CARD_DDEV_ID(card), rc);
1143 card->info.chpid = prcd[30];
1144 card->info.unit_addr2 = prcd[31];
1145 card->info.cula = prcd[63];
1146 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1147 (prcd[0x11] == _ascebc['M']));
1152 qeth_init_tokens(struct qeth_card *card)
1154 card->token.issuer_rm_w = 0x00010103UL;
1155 card->token.cm_filter_w = 0x00010108UL;
1156 card->token.cm_connection_w = 0x0001010aUL;
1157 card->token.ulp_filter_w = 0x0001010bUL;
1158 card->token.ulp_connection_w = 0x0001010dUL;
1162 raw_devno_from_bus_id(char *id)
1164 id += (strlen(id) - 4);
1165 return (__u16) simple_strtoul(id, &id, 16);
1171 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1173 struct qeth_card *card;
1175 QETH_DBF_TEXT(trace, 4, "setupccw");
1176 card = CARD_FROM_CDEV(channel->ccwdev);
1177 if (channel == &card->read)
1178 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1180 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1181 channel->ccw.count = len;
1182 channel->ccw.cda = (__u32) __pa(iob);
1186 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1188 static struct qeth_cmd_buffer *
1189 __qeth_get_buffer(struct qeth_channel *channel)
1193 QETH_DBF_TEXT(trace, 6, "getbuff");
1194 index = channel->io_buf_no;
1196 if (channel->iob[index].state == BUF_STATE_FREE) {
1197 channel->iob[index].state = BUF_STATE_LOCKED;
1198 channel->io_buf_no = (channel->io_buf_no + 1) %
1200 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1201 return channel->iob + index;
1203 index = (index + 1) % QETH_CMD_BUFFER_NO;
1204 } while(index != channel->io_buf_no);
1210 * release command buffer
1213 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1215 unsigned long flags;
1217 QETH_DBF_TEXT(trace, 6, "relbuff");
1218 spin_lock_irqsave(&channel->iob_lock, flags);
1219 memset(iob->data, 0, QETH_BUFSIZE);
1220 iob->state = BUF_STATE_FREE;
1221 iob->callback = qeth_send_control_data_cb;
1223 spin_unlock_irqrestore(&channel->iob_lock, flags);
1226 static struct qeth_cmd_buffer *
1227 qeth_get_buffer(struct qeth_channel *channel)
1229 struct qeth_cmd_buffer *buffer = NULL;
1230 unsigned long flags;
1232 spin_lock_irqsave(&channel->iob_lock, flags);
1233 buffer = __qeth_get_buffer(channel);
1234 spin_unlock_irqrestore(&channel->iob_lock, flags);
1238 static struct qeth_cmd_buffer *
1239 qeth_wait_for_buffer(struct qeth_channel *channel)
1241 struct qeth_cmd_buffer *buffer;
1242 wait_event(channel->wait_q,
1243 ((buffer = qeth_get_buffer(channel)) != NULL));
1248 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1252 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1253 qeth_release_buffer(channel,&channel->iob[cnt]);
1254 channel->buf_no = 0;
1255 channel->io_buf_no = 0;
1259 * start IDX for read and write channel
1262 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1263 void (*idx_reply_cb)(struct qeth_channel *,
1264 struct qeth_cmd_buffer *))
1266 struct qeth_cmd_buffer *iob;
1267 unsigned long flags;
1269 struct qeth_card *card;
1271 QETH_DBF_TEXT(setup, 2, "idxanswr");
1272 card = CARD_FROM_CDEV(channel->ccwdev);
1273 iob = qeth_get_buffer(channel);
1274 iob->callback = idx_reply_cb;
1275 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1276 channel->ccw.count = QETH_BUFSIZE;
1277 channel->ccw.cda = (__u32) __pa(iob->data);
1279 wait_event(card->wait_q,
1280 atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1281 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1282 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1283 rc = ccw_device_start(channel->ccwdev,
1284 &channel->ccw,(addr_t) iob, 0, 0);
1285 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1288 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1289 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1290 atomic_set(&channel->irq_pending, 0);
1291 wake_up(&card->wait_q);
1294 rc = wait_event_interruptible_timeout(card->wait_q,
1295 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1296 if (rc == -ERESTARTSYS)
1298 if (channel->state != CH_STATE_UP){
1300 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1307 qeth_idx_activate_channel(struct qeth_channel *channel,
1308 void (*idx_reply_cb)(struct qeth_channel *,
1309 struct qeth_cmd_buffer *))
1311 struct qeth_card *card;
1312 struct qeth_cmd_buffer *iob;
1313 unsigned long flags;
1317 card = CARD_FROM_CDEV(channel->ccwdev);
1319 QETH_DBF_TEXT(setup, 2, "idxactch");
1321 iob = qeth_get_buffer(channel);
1322 iob->callback = idx_reply_cb;
1323 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1324 channel->ccw.count = IDX_ACTIVATE_SIZE;
1325 channel->ccw.cda = (__u32) __pa(iob->data);
1326 if (channel == &card->write) {
1327 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1328 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1329 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1330 card->seqno.trans_hdr++;
1332 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1333 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1334 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1336 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1337 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1338 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1339 &card->info.func_level,sizeof(__u16));
1340 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1341 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1342 temp = (card->info.cula << 8) + card->info.unit_addr2;
1343 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1345 wait_event(card->wait_q,
1346 atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1347 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1348 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1349 rc = ccw_device_start(channel->ccwdev,
1350 &channel->ccw,(addr_t) iob, 0, 0);
1351 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1354 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1355 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1356 atomic_set(&channel->irq_pending, 0);
1357 wake_up(&card->wait_q);
1360 rc = wait_event_interruptible_timeout(card->wait_q,
1361 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1362 if (rc == -ERESTARTSYS)
1364 if (channel->state != CH_STATE_ACTIVATING) {
1365 PRINT_WARN("qeth: IDX activate timed out!\n");
1366 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1369 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1373 qeth_peer_func_level(int level)
1375 if ((level & 0xff) == 8)
1376 return (level & 0xff) + 0x400;
1377 if (((level >> 8) & 3) == 1)
1378 return (level & 0xff) + 0x200;
1383 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1385 struct qeth_card *card;
1388 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1390 if (channel->state == CH_STATE_DOWN) {
1391 channel->state = CH_STATE_ACTIVATING;
1394 card = CARD_FROM_CDEV(channel->ccwdev);
1396 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1397 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1398 "reply\n", CARD_WDEV_ID(card));
1401 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1402 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1403 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1404 "function level mismatch "
1405 "(sent: 0x%x, received: 0x%x)\n",
1406 CARD_WDEV_ID(card), card->info.func_level, temp);
1409 channel->state = CH_STATE_UP;
1411 qeth_release_buffer(channel, iob);
1415 qeth_check_idx_response(unsigned char *buffer)
1420 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1421 if ((buffer[2] & 0xc0) == 0xc0) {
1422 PRINT_WARN("received an IDX TERMINATE "
1423 "with cause code 0x%02x%s\n",
1425 ((buffer[4] == 0x22) ?
1426 " -- try another portname" : ""));
1427 QETH_DBF_TEXT(trace, 2, "ckidxres");
1428 QETH_DBF_TEXT(trace, 2, " idxterm");
1429 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1436 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1438 struct qeth_card *card;
1441 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1442 if (channel->state == CH_STATE_DOWN) {
1443 channel->state = CH_STATE_ACTIVATING;
1447 card = CARD_FROM_CDEV(channel->ccwdev);
1448 if (qeth_check_idx_response(iob->data)) {
1451 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1452 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1453 "reply\n", CARD_RDEV_ID(card));
1458 * temporary fix for microcode bug
1459 * to revert it,replace OR by AND
1461 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1462 (card->info.type == QETH_CARD_TYPE_OSAE) )
1463 card->info.portname_required = 1;
1465 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1466 if (temp != qeth_peer_func_level(card->info.func_level)) {
1467 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1468 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1469 CARD_RDEV_ID(card), card->info.func_level, temp);
1472 memcpy(&card->token.issuer_rm_r,
1473 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1474 QETH_MPC_TOKEN_LENGTH);
1475 memcpy(&card->info.mcl_level[0],
1476 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1477 channel->state = CH_STATE_UP;
1479 qeth_release_buffer(channel,iob);
1483 qeth_issue_next_read(struct qeth_card *card)
1486 struct qeth_cmd_buffer *iob;
1488 QETH_DBF_TEXT(trace,5,"issnxrd");
1489 if (card->read.state != CH_STATE_UP)
1491 iob = qeth_get_buffer(&card->read);
1493 PRINT_WARN("issue_next_read failed: no iob available!\n");
1496 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1497 wait_event(card->wait_q,
1498 atomic_compare_and_swap(0,1,&card->read.irq_pending) == 0);
1499 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1500 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1501 (addr_t) iob, 0, 0);
1503 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1504 atomic_set(&card->read.irq_pending, 0);
1505 qeth_schedule_recovery(card);
1506 wake_up(&card->wait_q);
1511 static struct qeth_reply *
1512 qeth_alloc_reply(struct qeth_card *card)
1514 struct qeth_reply *reply;
1516 reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1518 memset(reply, 0, sizeof(struct qeth_reply));
1519 atomic_set(&reply->refcnt, 1);
1526 qeth_get_reply(struct qeth_reply *reply)
1528 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1529 atomic_inc(&reply->refcnt);
1533 qeth_put_reply(struct qeth_reply *reply)
1535 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1536 if (atomic_dec_and_test(&reply->refcnt))
1541 qeth_cmd_timeout(unsigned long data)
1543 struct qeth_reply *reply, *list_reply, *r;
1544 unsigned long flags;
1546 reply = (struct qeth_reply *) data;
1547 spin_lock_irqsave(&reply->card->lock, flags);
1548 list_for_each_entry_safe(list_reply, r,
1549 &reply->card->cmd_waiter_list, list) {
1550 if (reply == list_reply){
1551 qeth_get_reply(reply);
1552 list_del_init(&reply->list);
1553 spin_unlock_irqrestore(&reply->card->lock, flags);
1555 reply->received = 1;
1556 wake_up(&reply->wait_q);
1557 qeth_put_reply(reply);
1561 spin_unlock_irqrestore(&reply->card->lock, flags);
1565 qeth_reset_ip_addresses(struct qeth_card *card)
1567 QETH_DBF_TEXT(trace, 2, "rstipadd");
1569 qeth_clear_ip_list(card, 0, 1);
1570 qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD);
1571 qeth_set_thread_start_bit(card, QETH_SET_MC_THREAD);
1572 schedule_work(&card->kernel_thread_starter);
1575 static struct qeth_ipa_cmd *
1576 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1578 struct qeth_ipa_cmd *cmd = NULL;
1580 QETH_DBF_TEXT(trace,5,"chkipad");
1581 if (IS_IPA(iob->data)){
1582 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1583 if (IS_IPA_REPLY(cmd))
1586 switch (cmd->hdr.command) {
1587 case IPA_CMD_STOPLAN:
1588 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1589 "there is a network problem or "
1590 "someone pulled the cable or "
1591 "disabled the port.\n",
1594 card->lan_online = 0;
1595 if (netif_carrier_ok(card->dev)) {
1596 netif_carrier_off(card->dev);
1597 netif_stop_queue(card->dev);
1600 case IPA_CMD_STARTLAN:
1601 PRINT_INFO("Link reestablished on %s "
1602 "(CHPID 0x%X). Scheduling "
1603 "IP address reset.\n",
1606 card->lan_online = 1;
1607 if (!netif_carrier_ok(card->dev)) {
1608 netif_carrier_on(card->dev);
1609 netif_wake_queue(card->dev);
1611 qeth_reset_ip_addresses(card);
1613 case IPA_CMD_REGISTER_LOCAL_ADDR:
1614 QETH_DBF_TEXT(trace,3, "irla");
1616 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1617 PRINT_WARN("probably problem on %s: "
1618 "received IPA command 0x%X\n",
1623 PRINT_WARN("Received data is IPA "
1624 "but not a reply!\n");
1633 * wake all waiting ipa commands
1636 qeth_clear_ipacmd_list(struct qeth_card *card)
1638 struct qeth_reply *reply, *r;
1639 unsigned long flags;
1641 QETH_DBF_TEXT(trace, 4, "clipalst");
1643 spin_lock_irqsave(&card->lock, flags);
1644 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1645 qeth_get_reply(reply);
1647 reply->received = 1;
1648 list_del_init(&reply->list);
1649 wake_up(&reply->wait_q);
1650 qeth_put_reply(reply);
1652 spin_unlock_irqrestore(&card->lock, flags);
1656 qeth_send_control_data_cb(struct qeth_channel *channel,
1657 struct qeth_cmd_buffer *iob)
1659 struct qeth_card *card;
1660 struct qeth_reply *reply, *r;
1661 struct qeth_ipa_cmd *cmd;
1662 unsigned long flags;
1665 QETH_DBF_TEXT(trace,4,"sndctlcb");
1667 card = CARD_FROM_CDEV(channel->ccwdev);
1668 if (qeth_check_idx_response(iob->data)) {
1669 qeth_clear_ipacmd_list(card);
1670 qeth_schedule_recovery(card);
1674 cmd = qeth_check_ipa_data(card, iob);
1675 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1678 spin_lock_irqsave(&card->lock, flags);
1679 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1680 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1681 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1682 qeth_get_reply(reply);
1683 list_del_init(&reply->list);
1684 spin_unlock_irqrestore(&card->lock, flags);
1686 if (reply->callback != NULL) {
1688 reply->offset = (__u16)((char*)cmd -
1690 keep_reply = reply->callback(card,
1692 (unsigned long)cmd);
1695 keep_reply = reply->callback(card,
1697 (unsigned long)iob);
1700 reply->rc = (s16) cmd->hdr.return_code;
1702 reply->rc = iob->rc;
1704 spin_lock_irqsave(&card->lock, flags);
1705 list_add_tail(&reply->list,
1706 &card->cmd_waiter_list);
1707 spin_unlock_irqrestore(&card->lock, flags);
1709 reply->received = 1;
1710 wake_up(&reply->wait_q);
1712 qeth_put_reply(reply);
1716 spin_unlock_irqrestore(&card->lock, flags);
1718 memcpy(&card->seqno.pdu_hdr_ack,
1719 QETH_PDU_HEADER_SEQ_NO(iob->data),
1720 QETH_SEQ_NO_LENGTH);
1721 qeth_release_buffer(channel,iob);
1725 qeth_send_control_data(struct qeth_card *card, int len,
1726 struct qeth_cmd_buffer *iob,
1728 (struct qeth_card *, struct qeth_reply*, unsigned long),
1733 unsigned long flags;
1734 struct qeth_reply *reply;
1735 struct timer_list timer;
1737 QETH_DBF_TEXT(trace, 2, "sendctl");
1739 qeth_setup_ccw(&card->write,iob->data,len);
1741 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1742 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1743 card->seqno.trans_hdr++;
1745 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1746 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1747 card->seqno.pdu_hdr++;
1748 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1749 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1750 iob->callback = qeth_release_buffer;
1752 reply = qeth_alloc_reply(card);
1754 PRINT_WARN("Could no alloc qeth_reply!\n");
1757 reply->callback = reply_cb;
1758 reply->param = reply_param;
1759 if (card->state == CARD_STATE_DOWN)
1760 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1762 reply->seqno = card->seqno.ipa++;
1764 timer.function = qeth_cmd_timeout;
1765 timer.data = (unsigned long) reply;
1766 if (IS_IPA(iob->data))
1767 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1769 timer.expires = jiffies + QETH_TIMEOUT;
1770 init_waitqueue_head(&reply->wait_q);
1771 spin_lock_irqsave(&card->lock, flags);
1772 list_add_tail(&reply->list, &card->cmd_waiter_list);
1773 spin_unlock_irqrestore(&card->lock, flags);
1774 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1775 wait_event(card->wait_q,
1776 atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0);
1777 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1778 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1779 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1780 (addr_t) iob, 0, 0);
1781 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1783 PRINT_WARN("qeth_send_control_data: "
1784 "ccw_device_start rc = %i\n", rc);
1785 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1786 spin_lock_irqsave(&card->lock, flags);
1787 list_del_init(&reply->list);
1788 qeth_put_reply(reply);
1789 spin_unlock_irqrestore(&card->lock, flags);
1790 qeth_release_buffer(iob->channel, iob);
1791 atomic_set(&card->write.irq_pending, 0);
1792 wake_up(&card->wait_q);
1796 wait_event(reply->wait_q, reply->received);
1799 qeth_put_reply(reply);
1804 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1806 (struct qeth_card *,struct qeth_reply*, unsigned long),
1811 QETH_DBF_TEXT(trace,4,"sendipa");
1813 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1814 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1815 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1817 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1818 reply_cb, reply_param);
1824 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1827 struct qeth_cmd_buffer *iob;
1829 QETH_DBF_TEXT(setup, 2, "cmenblcb");
1831 iob = (struct qeth_cmd_buffer *) data;
1832 memcpy(&card->token.cm_filter_r,
1833 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
1834 QETH_MPC_TOKEN_LENGTH);
1835 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1840 qeth_cm_enable(struct qeth_card *card)
1843 struct qeth_cmd_buffer *iob;
1845 QETH_DBF_TEXT(setup,2,"cmenable");
1847 iob = qeth_wait_for_buffer(&card->write);
1848 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
1849 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
1850 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
1851 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
1852 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
1854 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
1855 qeth_cm_enable_cb, NULL);
1860 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
1864 struct qeth_cmd_buffer *iob;
1866 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
1868 iob = (struct qeth_cmd_buffer *) data;
1869 memcpy(&card->token.cm_connection_r,
1870 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
1871 QETH_MPC_TOKEN_LENGTH);
1872 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1877 qeth_cm_setup(struct qeth_card *card)
1880 struct qeth_cmd_buffer *iob;
1882 QETH_DBF_TEXT(setup,2,"cmsetup");
1884 iob = qeth_wait_for_buffer(&card->write);
1885 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
1886 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
1887 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
1888 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
1889 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
1890 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
1891 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
1892 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
1893 qeth_cm_setup_cb, NULL);
1899 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1903 __u16 mtu, framesize;
1906 struct qeth_cmd_buffer *iob;
1908 QETH_DBF_TEXT(setup, 2, "ulpenacb");
1910 iob = (struct qeth_cmd_buffer *) data;
1911 memcpy(&card->token.ulp_filter_r,
1912 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
1913 QETH_MPC_TOKEN_LENGTH);
1914 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
1915 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
1916 mtu = qeth_get_mtu_outof_framesize(framesize);
1919 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1922 card->info.max_mtu = mtu;
1923 card->info.initial_mtu = mtu;
1924 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
1926 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
1927 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
1928 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
1931 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
1932 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
1934 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
1935 card->info.link_type = link_type;
1937 card->info.link_type = 0;
1938 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1943 qeth_ulp_enable(struct qeth_card *card)
1946 struct qeth_cmd_buffer *iob;
1948 /*FIXME: trace view callbacks*/
1949 QETH_DBF_TEXT(setup,2,"ulpenabl");
1951 iob = qeth_wait_for_buffer(&card->write);
1952 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
1954 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
1955 (__u8) card->info.portno;
1957 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
1958 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
1959 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
1960 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
1961 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
1962 card->info.portname, 9);
1963 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
1964 qeth_ulp_enable_cb, NULL);
1970 __raw_devno_from_bus_id(char *id)
1972 id += (strlen(id) - 4);
1973 return (__u16) simple_strtoul(id, &id, 16);
1977 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
1980 struct qeth_cmd_buffer *iob;
1982 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
1984 iob = (struct qeth_cmd_buffer *) data;
1985 memcpy(&card->token.ulp_connection_r,
1986 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
1987 QETH_MPC_TOKEN_LENGTH);
1988 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1993 qeth_ulp_setup(struct qeth_card *card)
1997 struct qeth_cmd_buffer *iob;
1999 QETH_DBF_TEXT(setup,2,"ulpsetup");
2001 iob = qeth_wait_for_buffer(&card->write);
2002 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2004 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2005 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2006 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2007 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2008 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2009 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2011 temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2012 memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2013 temp = (card->info.cula << 8) + card->info.unit_addr2;
2014 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2015 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2016 qeth_ulp_setup_cb, NULL);
2021 qeth_check_for_inbound_error(struct qeth_qdio_buffer *buf,
2022 unsigned int qdio_error,
2023 unsigned int siga_error)
2027 if (qdio_error || siga_error) {
2028 QETH_DBF_TEXT(trace, 2, "qdinerr");
2029 QETH_DBF_TEXT(qerr, 2, "qdinerr");
2030 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2031 buf->buffer->element[15].flags & 0xff);
2032 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2033 buf->buffer->element[14].flags & 0xff);
2034 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2035 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2041 static inline struct sk_buff *
2042 qeth_get_skb(unsigned int length)
2044 struct sk_buff* skb;
2045 #ifdef CONFIG_QETH_VLAN
2046 if ((skb = dev_alloc_skb(length + VLAN_HLEN)))
2047 skb_reserve(skb, VLAN_HLEN);
2049 skb = dev_alloc_skb(length);
2054 static inline struct sk_buff *
2055 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2056 struct qdio_buffer_element **__element, int *__offset,
2057 struct qeth_hdr **hdr)
2059 struct qdio_buffer_element *element = *__element;
2060 int offset = *__offset;
2061 struct sk_buff *skb = NULL;
2066 QETH_DBF_TEXT(trace,6,"nextskb");
2067 /* qeth_hdr must not cross element boundaries */
2068 if (element->length < offset + sizeof(struct qeth_hdr)){
2069 if (qeth_is_last_sbale(element))
2073 if (element->length < sizeof(struct qeth_hdr))
2076 *hdr = element->addr + offset;
2078 offset += sizeof(struct qeth_hdr);
2079 skb_len = (*hdr)->length;
2082 if (card->options.fake_ll){
2083 if (!(skb = qeth_get_skb(skb_len + QETH_FAKE_LL_LEN)))
2085 skb_pull(skb, QETH_FAKE_LL_LEN);
2086 } else if (!(skb = qeth_get_skb(skb_len)))
2088 data_ptr = element->addr + offset;
2090 data_len = min(skb_len, (int)(element->length - offset));
2092 memcpy(skb_put(skb, data_len), data_ptr, data_len);
2093 skb_len -= data_len;
2095 if (qeth_is_last_sbale(element)){
2096 QETH_DBF_TEXT(trace,4,"unexeob");
2097 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2098 QETH_DBF_TEXT(qerr,2,"unexeob");
2099 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2100 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2101 dev_kfree_skb_irq(skb);
2102 card->stats.rx_errors++;
2107 data_ptr = element->addr;
2112 *__element = element;
2116 if (net_ratelimit()){
2117 PRINT_WARN("No memory for packet received on %s.\n",
2118 card->info.if_name);
2119 QETH_DBF_TEXT(trace,2,"noskbmem");
2120 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2122 card->stats.rx_dropped++;
2126 static inline unsigned short
2127 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2130 struct qeth_card *card;
2132 QETH_DBF_TEXT(trace,5,"typtrans");
2134 card = (struct qeth_card *)dev->priv;
2136 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2137 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2138 return tr_type_trans(skb,dev);
2139 #endif /* CONFIG_TR */
2141 skb->mac.raw = skb->data;
2142 skb_pull(skb, ETH_ALEN * 2 + sizeof (short));
2143 eth = skb->mac.ethernet;
2145 if (*eth->h_dest & 1) {
2146 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2147 skb->pkt_type = PACKET_BROADCAST;
2149 skb->pkt_type = PACKET_MULTICAST;
2151 skb->pkt_type = PACKET_OTHERHOST;
2153 if (ntohs(eth->h_proto) >= 1536)
2154 return eth->h_proto;
2155 if (*(unsigned short *) (skb->data) == 0xFFFF)
2156 return htons(ETH_P_802_3);
2157 return htons(ETH_P_802_2);
2161 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2162 struct qeth_hdr *hdr)
2164 struct ethhdr *fake_hdr;
2165 struct iphdr *ip_hdr;
2167 QETH_DBF_TEXT(trace,5,"skbfake");
2168 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN;
2169 /* this is a fake ethernet header */
2170 fake_hdr = (struct ethhdr *) skb->mac.raw;
2172 /* the destination MAC address */
2173 switch (skb->pkt_type){
2174 case PACKET_MULTICAST:
2175 switch (skb->protocol){
2176 #ifdef CONFIG_QETH_IPV6
2177 case __constant_htons(ETH_P_IPV6):
2178 ndisc_mc_map((struct in6_addr *)
2179 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2180 fake_hdr->h_dest, card->dev, 0);
2182 #endif /* CONFIG_QETH_IPV6 */
2183 case __constant_htons(ETH_P_IP):
2184 ip_hdr = (struct iphdr *)skb->data;
2185 if (card->dev->type == ARPHRD_IEEE802_TR)
2186 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2188 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2191 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2194 case PACKET_BROADCAST:
2195 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2198 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2200 /* the source MAC address */
2201 if (hdr->ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2202 memcpy(fake_hdr->h_source, &hdr->dest_addr[2], ETH_ALEN);
2204 memset(fake_hdr->h_source, 0, ETH_ALEN);
2206 fake_hdr->h_proto = skb->protocol;
2210 qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb,
2211 struct qeth_hdr *hdr)
2213 #ifdef CONFIG_QETH_VLAN
2216 if (hdr->ext_flags & QETH_HDR_EXT_VLAN_FRAME) {
2217 vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
2218 *vlan_tag = hdr->vlan_id;
2219 *(vlan_tag + 1) = skb->protocol;
2220 skb->protocol = __constant_htons(ETH_P_8021Q);
2222 #endif /* CONFIG_QETH_VLAN */
2226 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2227 struct qeth_hdr *hdr)
2229 #ifdef CONFIG_QETH_IPV6
2230 if (hdr->flags & QETH_HDR_PASSTHRU){
2231 skb->protocol = qeth_type_trans(skb, card->dev);
2234 #endif /* CONFIG_QETH_IPV6 */
2235 skb->protocol = htons((hdr->flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2237 switch (hdr->flags & QETH_HDR_CAST_MASK){
2238 case QETH_CAST_UNICAST:
2239 skb->pkt_type = PACKET_HOST;
2241 case QETH_CAST_MULTICAST:
2242 skb->pkt_type = PACKET_MULTICAST;
2243 card->stats.multicast++;
2245 case QETH_CAST_BROADCAST:
2246 skb->pkt_type = PACKET_BROADCAST;
2247 card->stats.multicast++;
2249 case QETH_CAST_ANYCAST:
2250 case QETH_CAST_NOCAST:
2252 skb->pkt_type = PACKET_HOST;
2254 if (card->options.fake_ll)
2255 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2257 skb->mac.raw = skb->data;
2258 skb->ip_summed = card->options.checksum_type;
2259 if (card->options.checksum_type == HW_CHECKSUMMING){
2260 if ( (hdr->ext_flags &
2261 (QETH_HDR_EXT_CSUM_HDR_REQ |
2262 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2263 (QETH_HDR_EXT_CSUM_HDR_REQ |
2264 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2265 skb->ip_summed = CHECKSUM_UNNECESSARY;
2267 skb->ip_summed = SW_CHECKSUMMING;
2269 qeth_rebuild_skb_vlan(card, skb, hdr);
2273 qeth_process_inbound_buffer(struct qeth_card *card,
2274 struct qeth_qdio_buffer *buf, int index)
2276 struct qdio_buffer_element *element;
2278 struct sk_buff *skb;
2279 struct qeth_hdr *hdr;
2282 /* get first element of current buffer */
2283 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2285 #ifdef CONFIG_QETH_PERF_STATS
2286 card->perf_stats.bufs_rec++;
2288 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2290 qeth_rebuild_skb(card, skb, hdr);
2291 /* is device UP ? */
2292 if (!(card->dev->flags & IFF_UP)){
2293 dev_kfree_skb_irq(skb);
2296 skb->dev = card->dev;
2297 rxrc = netif_rx(skb);
2298 card->dev->last_rx = jiffies;
2299 card->stats.rx_packets++;
2300 card->stats.rx_bytes += skb->len;
2304 static inline struct qeth_buffer_pool_entry *
2305 qeth_get_buffer_pool_entry(struct qeth_card *card)
2307 struct qeth_buffer_pool_entry *entry, *tmp;
2309 QETH_DBF_TEXT(trace, 6, "gtbfplen");
2311 list_for_each_entry_safe(entry, tmp,
2312 &card->qdio.in_buf_pool.entry_list, list){
2313 list_del_init(&entry->list);
2320 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2322 struct qeth_buffer_pool_entry *pool_entry;
2325 pool_entry = qeth_get_buffer_pool_entry(card);
2327 * since the buffer is accessed only from the input_tasklet
2328 * there shouldn't be a need to synchronize; also, since we use
2329 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2332 BUG_ON(!pool_entry);
2334 buf->pool_entry = pool_entry;
2335 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2336 buf->buffer->element[i].length = PAGE_SIZE;
2337 buf->buffer->element[i].addr = pool_entry->elements[i];
2338 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2339 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2341 buf->buffer->element[i].flags = 0;
2343 buf->state = QETH_QDIO_BUF_EMPTY;
2347 qeth_clear_output_buffer(struct qeth_card *card,
2348 struct qeth_qdio_out_buffer *buf)
2351 struct sk_buff *skb;
2353 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2354 buf->buffer->element[i].length = 0;
2355 buf->buffer->element[i].addr = NULL;
2356 buf->buffer->element[i].flags = 0;
2357 while ((skb = skb_dequeue(&buf->skb_list))){
2358 atomic_dec(&skb->users);
2359 dev_kfree_skb_irq(skb);
2362 buf->next_element_to_fill = 0;
2363 buf->state = QETH_QDIO_BUF_EMPTY;
2367 qeth_queue_input_buffer(struct qeth_card *card, int index)
2369 struct qeth_qdio_q *queue = card->qdio.in_q;
2374 QETH_DBF_TEXT(trace,6,"queinbuf");
2375 count = (index < queue->next_buf_to_init)?
2376 card->qdio.in_buf_pool.buf_count -
2377 (queue->next_buf_to_init - index) :
2378 card->qdio.in_buf_pool.buf_count -
2379 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2380 /* only requeue at a certain threshold to avoid SIGAs */
2381 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2382 for (i = queue->next_buf_to_init;
2383 i < queue->next_buf_to_init + count; ++i)
2384 qeth_init_input_buffer(card,
2385 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2387 * according to old code it should be avoided to requeue all
2388 * 128 buffers in order to benefit from PCI avoidance.
2389 * this function keeps at least one buffer (the buffer at
2390 * 'index') un-requeued -> this buffer is the first buffer that
2391 * will be requeued the next time
2393 #ifdef CONFIG_QETH_PERF_STATS
2394 card->perf_stats.inbound_do_qdio_cnt++;
2395 card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros();
2397 rc = do_QDIO(CARD_DDEV(card),
2398 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2399 0, queue->next_buf_to_init, count, NULL);
2400 #ifdef CONFIG_QETH_PERF_STATS
2401 card->perf_stats.inbound_do_qdio_time += qeth_get_micros() -
2402 card->perf_stats.inbound_do_qdio_start_time;
2405 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2406 "return %i (device %s).\n",
2407 rc, CARD_DDEV_ID(card));
2408 QETH_DBF_TEXT(trace,2,"qinberr");
2409 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2411 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2412 QDIO_MAX_BUFFERS_PER_Q;
2417 qeth_put_buffer_pool_entry(struct qeth_card *card,
2418 struct qeth_buffer_pool_entry *entry)
2420 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2421 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2425 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2426 unsigned int qdio_err, unsigned int siga_err,
2427 unsigned int queue, int first_element, int count,
2428 unsigned long card_ptr)
2430 struct net_device *net_dev;
2431 struct qeth_card *card;
2432 struct qeth_qdio_buffer *buffer;
2436 QETH_DBF_TEXT(trace, 6, "qdinput");
2437 card = (struct qeth_card *) card_ptr;
2438 net_dev = card->dev;
2439 #ifdef CONFIG_QETH_PERF_STATS
2440 card->perf_stats.inbound_cnt++;
2441 card->perf_stats.inbound_start_time = qeth_get_micros();
2443 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2444 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2445 QETH_DBF_TEXT(trace, 1,"qdinchk");
2446 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2447 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2448 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2449 qeth_schedule_recovery(card);
2453 for (i = first_element; i < (first_element + count); ++i) {
2454 index = i % QDIO_MAX_BUFFERS_PER_Q;
2455 buffer = &card->qdio.in_q->bufs[index];
2456 if (!((status == QDIO_STATUS_LOOK_FOR_ERROR) &&
2457 qeth_check_for_inbound_error(buffer, qdio_err, siga_err)))
2458 qeth_process_inbound_buffer(card, buffer, index);
2459 /* clear buffer and give back to hardware */
2460 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2461 qeth_queue_input_buffer(card, index);
2463 #ifdef CONFIG_QETH_PERF_STATS
2464 card->perf_stats.inbound_time += qeth_get_micros() -
2465 card->perf_stats.inbound_start_time;
2470 qeth_handle_send_error(struct qeth_card *card,
2471 struct qeth_qdio_out_buffer *buffer,
2472 int qdio_err, int siga_err)
2474 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2475 int cc = siga_err & 3;
2477 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2481 QETH_DBF_TEXT(trace, 1,"lnkfail");
2482 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2483 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2484 (u16)qdio_err, (u8)sbalf15);
2485 return QETH_SEND_ERROR_LINK_FAILURE;
2487 return QETH_SEND_ERROR_NONE;
2489 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2490 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2491 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2492 return QETH_SEND_ERROR_KICK_IT;
2494 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2495 return QETH_SEND_ERROR_RETRY;
2496 return QETH_SEND_ERROR_LINK_FAILURE;
2497 /* look at qdio_error and sbalf 15 */
2499 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2500 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2501 return QETH_SEND_ERROR_LINK_FAILURE;
2503 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2504 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2505 return QETH_SEND_ERROR_KICK_IT;
2507 return QETH_SEND_ERROR_LINK_FAILURE;
2511 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2512 int index, int count)
2514 struct qeth_qdio_out_buffer *buf;
2518 QETH_DBF_TEXT(trace, 6, "flushbuf");
2520 for (i = index; i < index + count; ++i) {
2521 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2522 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2523 SBAL_FLAGS_LAST_ENTRY;
2525 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2528 if (!queue->do_pack){
2529 if ((atomic_read(&queue->used_buffers) >=
2530 (QETH_HIGH_WATERMARK_PACK -
2531 QETH_WATERMARK_PACK_FUZZ)) &&
2532 !atomic_read(&queue->set_pci_flags_count)){
2533 /* it's likely that we'll go to packing
2535 atomic_inc(&queue->set_pci_flags_count);
2536 buf->buffer->element[0].flags |= 0x40;
2539 if (!atomic_read(&queue->set_pci_flags_count)){
2541 * there's no outstanding PCI any more, so we
2542 * have to request a PCI to be sure the the PCI
2543 * will wake at some time in the future then we
2544 * can flush packed buffers that might still be
2545 * hanging around, which can happen if no
2546 * further send was requested by the stack
2548 atomic_inc(&queue->set_pci_flags_count);
2549 buf->buffer->element[0].flags |= 0x40;
2551 #ifdef CONFIG_QETH_PERF_STATS
2552 queue->card->perf_stats.bufs_sent_pack++;
2557 queue->card->dev->trans_start = jiffies;
2558 #ifdef CONFIG_QETH_PERF_STATS
2559 queue->card->perf_stats.outbound_do_qdio_cnt++;
2560 queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros();
2563 rc = do_QDIO(CARD_DDEV(queue->card),
2564 QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2565 queue->queue_no, index, count, NULL);
2567 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2568 queue->queue_no, index, count, NULL);
2569 #ifdef CONFIG_QETH_PERF_STATS
2570 queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() -
2571 queue->card->perf_stats.outbound_do_qdio_start_time;
2574 QETH_DBF_SPRINTF(trace, 0, "qeth_flush_buffers: do_QDIO "
2575 "returned error (%i) on device %s.",
2576 rc, CARD_DDEV_ID(queue->card));
2577 QETH_DBF_TEXT(trace, 2, "flushbuf");
2578 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2579 queue->card->stats.tx_errors += count;
2582 #ifdef CONFIG_QETH_PERF_STATS
2583 queue->card->perf_stats.bufs_sent += count;
2588 * switches between PACKING and non-PACKING state if needed.
2589 * has to be called holding queue->lock
2592 qeth_switch_packing_state(struct qeth_qdio_out_q *queue)
2594 struct qeth_qdio_out_buffer *buffer;
2595 int flush_count = 0;
2597 QETH_DBF_TEXT(trace, 6, "swipack");
2598 if (!queue->do_pack) {
2599 if (atomic_read(&queue->used_buffers)
2600 >= QETH_HIGH_WATERMARK_PACK){
2601 /* switch non-PACKING -> PACKING */
2602 QETH_DBF_TEXT(trace, 6, "np->pack");
2603 #ifdef CONFIG_QETH_PERF_STATS
2604 queue->card->perf_stats.sc_dp_p++;
2609 if (atomic_read(&queue->used_buffers)
2610 <= QETH_LOW_WATERMARK_PACK) {
2611 /* switch PACKING -> non-PACKING */
2612 QETH_DBF_TEXT(trace, 6, "pack->np");
2613 #ifdef CONFIG_QETH_PERF_STATS
2614 queue->card->perf_stats.sc_p_dp++;
2617 /* flush packing buffers */
2618 buffer = &queue->bufs[queue->next_buf_to_fill];
2619 BUG_ON(buffer->state == QETH_QDIO_BUF_PRIMED);
2620 if (buffer->next_element_to_fill > 0) {
2621 buffer->state = QETH_QDIO_BUF_PRIMED;
2623 atomic_inc(&queue->used_buffers);
2624 queue->next_buf_to_fill =
2625 (queue->next_buf_to_fill + 1) %
2626 QDIO_MAX_BUFFERS_PER_Q;
2634 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue, int under_int)
2636 struct qeth_qdio_out_buffer *buffer;
2638 buffer = &queue->bufs[queue->next_buf_to_fill];
2639 BUG_ON(buffer->state == QETH_QDIO_BUF_PRIMED);
2640 if (buffer->next_element_to_fill > 0){
2641 /* it's a packing buffer */
2642 buffer->state = QETH_QDIO_BUF_PRIMED;
2643 atomic_inc(&queue->used_buffers);
2644 qeth_flush_buffers(queue, under_int, queue->next_buf_to_fill,
2646 queue->next_buf_to_fill =
2647 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2652 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
2653 unsigned int qdio_error, unsigned int siga_error,
2654 unsigned int __queue, int first_element, int count,
2655 unsigned long card_ptr)
2657 struct qeth_card *card = (struct qeth_card *) card_ptr;
2658 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
2659 struct qeth_qdio_out_buffer *buffer;
2662 QETH_DBF_TEXT(trace, 6, "qdouhdl");
2663 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2664 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2665 QETH_DBF_SPRINTF(trace, 2, "On device %s: "
2666 "received active check "
2667 "condition (0x%08x).",
2668 CARD_BUS_ID(card), status);
2669 QETH_DBF_TEXT(trace, 2, "chkcond");
2670 QETH_DBF_TEXT_(trace, 2, "%08x", status);
2671 netif_stop_queue(card->dev);
2672 qeth_schedule_recovery(card);
2677 #ifdef CONFIG_QETH_PERF_STATS
2678 card->perf_stats.outbound_handler_cnt++;
2679 card->perf_stats.outbound_handler_start_time = qeth_get_micros();
2681 for(i = first_element; i < (first_element + count); ++i){
2682 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2683 /*we only handle the KICK_IT error by doing a recovery */
2684 if (qeth_handle_send_error(card, buffer, qdio_error, siga_error)
2685 == QETH_SEND_ERROR_KICK_IT){
2686 netif_stop_queue(card->dev);
2687 qeth_schedule_recovery(card);
2690 /* is PCI flag set on buffer? */
2691 if (buffer->buffer->element[0].flags & 0x40)
2692 atomic_dec(&queue->set_pci_flags_count);
2694 qeth_clear_output_buffer(card, buffer);
2695 atomic_dec(&queue->used_buffers);
2698 netif_wake_queue(card->dev);
2699 #ifdef CONFIG_QETH_PERF_STATS
2700 card->perf_stats.outbound_handler_time += qeth_get_micros() -
2701 card->perf_stats.outbound_handler_start_time;
2706 qeth_create_qib_param_field(struct qeth_card *card)
2710 param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
2715 memset(param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char));
2717 param_field[0] = _ascebc['P'];
2718 param_field[1] = _ascebc['C'];
2719 param_field[2] = _ascebc['I'];
2720 param_field[3] = _ascebc['T'];
2721 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
2722 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
2723 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
2729 qeth_initialize_working_pool_list(struct qeth_card *card)
2731 struct qeth_buffer_pool_entry *entry;
2733 QETH_DBF_TEXT(trace,5,"inwrklst");
2735 list_for_each_entry(entry,
2736 &card->qdio.init_pool.entry_list, init_list) {
2737 qeth_put_buffer_pool_entry(card,entry);
2742 qeth_clear_working_pool_list(struct qeth_card *card)
2744 struct qeth_buffer_pool_entry *pool_entry, *tmp;
2746 QETH_DBF_TEXT(trace,5,"clwrklst");
2747 list_for_each_entry_safe(pool_entry, tmp,
2748 &card->qdio.in_buf_pool.entry_list, list){
2749 list_del(&pool_entry->list);
2754 qeth_free_buffer_pool(struct qeth_card *card)
2756 struct qeth_buffer_pool_entry *pool_entry, *tmp;
2758 QETH_DBF_TEXT(trace,5,"freepool");
2759 list_for_each_entry_safe(pool_entry, tmp,
2760 &card->qdio.init_pool.entry_list, init_list){
2761 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
2762 free_page((unsigned long)pool_entry->elements[i]);
2763 list_del(&pool_entry->init_list);
2769 qeth_alloc_buffer_pool(struct qeth_card *card)
2771 struct qeth_buffer_pool_entry *pool_entry;
2775 QETH_DBF_TEXT(trace,5,"clwkpool");
2776 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
2777 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
2779 qeth_free_buffer_pool(card);
2782 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
2783 ptr = (void *) __get_free_page(GFP_KERNEL);
2786 free_page((unsigned long)
2787 pool_entry->elements[--j]);
2789 qeth_free_buffer_pool(card);
2792 pool_entry->elements[j] = ptr;
2794 list_add(&pool_entry->init_list,
2795 &card->qdio.init_pool.entry_list);
2801 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
2803 QETH_DBF_TEXT(trace, 2, "realcbp");
2805 if ((card->state != CARD_STATE_DOWN) &&
2806 (card->state != CARD_STATE_RECOVER))
2809 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
2810 qeth_clear_working_pool_list(card);
2811 qeth_free_buffer_pool(card);
2812 card->qdio.in_buf_pool.buf_count = bufcnt;
2813 card->qdio.init_pool.buf_count = bufcnt;
2814 return qeth_alloc_buffer_pool(card);
2818 qeth_alloc_qdio_buffers(struct qeth_card *card)
2822 QETH_DBF_TEXT(setup, 2, "allcqdbf");
2824 if (card->qdio.state == QETH_QDIO_ALLOCATED)
2827 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), GFP_KERNEL);
2828 if (!card->qdio.in_q)
2830 QETH_DBF_TEXT(setup, 2, "inq");
2831 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
2832 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
2833 /* give inbound qeth_qdio_buffers their qdio_buffers */
2834 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
2835 card->qdio.in_q->bufs[i].buffer =
2836 &card->qdio.in_q->qdio_bufs[i];
2837 /* inbound buffer pool */
2838 if (qeth_alloc_buffer_pool(card)){
2839 kfree(card->qdio.in_q);
2844 kmalloc(card->qdio.no_out_queues *
2845 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
2846 if (!card->qdio.out_qs){
2847 qeth_free_buffer_pool(card);
2850 for (i = 0; i < card->qdio.no_out_queues; ++i){
2851 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
2853 if (!card->qdio.out_qs[i]){
2855 kfree(card->qdio.out_qs[--i]);
2856 kfree(card->qdio.out_qs);
2859 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
2860 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
2861 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
2862 card->qdio.out_qs[i]->queue_no = i;
2863 /* give inbound qeth_qdio_buffers their qdio_buffers */
2864 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
2865 card->qdio.out_qs[i]->bufs[j].buffer =
2866 &card->qdio.out_qs[i]->qdio_bufs[j];
2867 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
2871 card->qdio.state = QETH_QDIO_ALLOCATED;
2876 qeth_free_qdio_buffers(struct qeth_card *card)
2880 QETH_DBF_TEXT(trace, 2, "freeqdbf");
2881 if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
2883 kfree(card->qdio.in_q);
2884 /* inbound buffer pool */
2885 qeth_free_buffer_pool(card);
2886 /* free outbound qdio_qs */
2887 for (i = 0; i < card->qdio.no_out_queues; ++i){
2888 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
2889 qeth_clear_output_buffer(card, &card->qdio.
2890 out_qs[i]->bufs[j]);
2891 kfree(card->qdio.out_qs[i]);
2893 kfree(card->qdio.out_qs);
2894 card->qdio.state = QETH_QDIO_UNINITIALIZED;
2898 qeth_clear_qdio_buffers(struct qeth_card *card)
2902 QETH_DBF_TEXT(trace, 2, "clearqdbf");
2903 /* clear outbound buffers to free skbs */
2904 for (i = 0; i < card->qdio.no_out_queues; ++i)
2905 if (card->qdio.out_qs[i]){
2906 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
2907 qeth_clear_output_buffer(card, &card->qdio.
2908 out_qs[i]->bufs[j]);
2913 qeth_init_qdio_info(struct qeth_card *card)
2915 QETH_DBF_TEXT(setup, 4, "intqdinf");
2916 card->qdio.state = QETH_QDIO_UNINITIALIZED;
2918 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2919 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
2920 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
2921 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
2922 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
2924 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
2925 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
2929 qeth_init_qdio_queues(struct qeth_card *card)
2934 QETH_DBF_TEXT(setup, 2, "initqdqs");
2937 memset(card->qdio.in_q->qdio_bufs, 0,
2938 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
2939 qeth_initialize_working_pool_list(card);
2940 /*give only as many buffers to hardware as we have buffer pool entries*/
2941 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
2942 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
2943 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
2944 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
2945 card->qdio.in_buf_pool.buf_count - 1, NULL);
2947 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
2950 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
2952 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
2955 /* outbound queue */
2956 for (i = 0; i < card->qdio.no_out_queues; ++i){
2957 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
2958 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
2959 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
2960 qeth_clear_output_buffer(card, &card->qdio.
2961 out_qs[i]->bufs[j]);
2963 card->qdio.out_qs[i]->card = card;
2964 card->qdio.out_qs[i]->next_buf_to_fill = 0;
2965 card->qdio.out_qs[i]->do_pack = 0;
2966 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
2967 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
2968 spin_lock_init(&card->qdio.out_qs[i]->lock);
2974 qeth_qdio_establish(struct qeth_card *card)
2976 struct qdio_initialize init_data;
2977 char *qib_param_field;
2978 struct qdio_buffer **in_sbal_ptrs;
2979 struct qdio_buffer **out_sbal_ptrs;
2983 QETH_DBF_TEXT(setup, 2, "qdioest");
2984 qib_param_field = qeth_create_qib_param_field(card);
2985 if (!qib_param_field)
2988 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
2990 if (!in_sbal_ptrs) {
2991 kfree(qib_param_field);
2994 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
2995 in_sbal_ptrs[i] = (struct qdio_buffer *)
2996 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
2999 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3000 sizeof(void *), GFP_KERNEL);
3001 if (!out_sbal_ptrs) {
3002 kfree(in_sbal_ptrs);
3003 kfree(qib_param_field);
3006 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3007 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3008 out_sbal_ptrs[k] = (struct qdio_buffer *)
3009 virt_to_phys(card->qdio.out_qs[i]->
3013 memset(&init_data, 0, sizeof(struct qdio_initialize));
3014 init_data.cdev = CARD_DDEV(card);
3015 init_data.q_format = qeth_get_qdio_q_format(card);
3016 init_data.qib_param_field_format = 0;
3017 init_data.qib_param_field = qib_param_field;
3018 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3019 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3020 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3021 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3022 init_data.no_input_qs = 1;
3023 init_data.no_output_qs = card->qdio.no_out_queues;
3024 init_data.input_handler = (qdio_handler_t *)
3025 qeth_qdio_input_handler;
3026 init_data.output_handler = (qdio_handler_t *)
3027 qeth_qdio_output_handler;
3028 init_data.int_parm = (unsigned long) card;
3029 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3030 QDIO_OUTBOUND_0COPY_SBALS |
3031 QDIO_USE_OUTBOUND_PCIS;
3032 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3033 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3035 if (!(rc = qdio_initialize(&init_data)))
3036 card->qdio.state = QETH_QDIO_ESTABLISHED;
3038 kfree(out_sbal_ptrs);
3039 kfree(in_sbal_ptrs);
3040 kfree(qib_param_field);
3045 qeth_qdio_activate(struct qeth_card *card)
3047 QETH_DBF_TEXT(setup,3,"qdioact");
3048 return qdio_activate(CARD_DDEV(card), 0);
3052 qeth_clear_channel(struct qeth_channel *channel)
3054 unsigned long flags;
3055 struct qeth_card *card;
3058 QETH_DBF_TEXT(trace,3,"clearch");
3059 card = CARD_FROM_CDEV(channel->ccwdev);
3060 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3061 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3062 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3066 rc = wait_event_interruptible_timeout(card->wait_q,
3067 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3068 if (rc == -ERESTARTSYS)
3070 if (channel->state != CH_STATE_STOPPED)
3072 channel->state = CH_STATE_DOWN;
3077 qeth_halt_channel(struct qeth_channel *channel)
3079 unsigned long flags;
3080 struct qeth_card *card;
3083 QETH_DBF_TEXT(trace,3,"haltch");
3084 card = CARD_FROM_CDEV(channel->ccwdev);
3085 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3086 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3087 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3091 rc = wait_event_interruptible_timeout(card->wait_q,
3092 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3093 if (rc == -ERESTARTSYS)
3095 if (channel->state != CH_STATE_HALTED)
3101 qeth_halt_channels(struct qeth_card *card)
3105 QETH_DBF_TEXT(trace,3,"haltchs");
3106 if ((rc = qeth_halt_channel(&card->read)))
3108 if ((rc = qeth_halt_channel(&card->write)))
3110 return qeth_halt_channel(&card->data);
3113 qeth_clear_channels(struct qeth_card *card)
3117 QETH_DBF_TEXT(trace,3,"clearchs");
3118 if ((rc = qeth_clear_channel(&card->read)))
3120 if ((rc = qeth_clear_channel(&card->write)))
3122 return qeth_clear_channel(&card->data);
3126 qeth_clear_halt_card(struct qeth_card *card, int halt)
3130 QETH_DBF_TEXT(trace,3,"clhacrd");
3131 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3134 rc = qeth_halt_channels(card);
3137 return qeth_clear_channels(card);
3141 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3145 QETH_DBF_TEXT(trace,3,"qdioclr");
3146 if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3147 qdio_cleanup(CARD_DDEV(card),
3148 (card->info.type == QETH_CARD_TYPE_IQD) ?
3149 QDIO_FLAG_CLEANUP_USING_HALT :
3150 QDIO_FLAG_CLEANUP_USING_CLEAR);
3151 card->qdio.state = QETH_QDIO_ALLOCATED;
3153 rc = qeth_clear_halt_card(card, use_halt);
3154 card->state = CARD_STATE_DOWN;
3159 qeth_dm_act(struct qeth_card *card)
3162 struct qeth_cmd_buffer *iob;
3164 QETH_DBF_TEXT(setup,2,"dmact");
3166 iob = qeth_wait_for_buffer(&card->write);
3167 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3169 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3170 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3171 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3172 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3173 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3178 qeth_mpc_initialize(struct qeth_card *card)
3182 QETH_DBF_TEXT(setup,2,"mpcinit");
3184 if ((rc = qeth_issue_next_read(card))){
3185 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3188 if ((rc = qeth_cm_enable(card))){
3189 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3192 if ((rc = qeth_cm_setup(card))){
3193 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3196 if ((rc = qeth_ulp_enable(card))){
3197 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3200 if ((rc = qeth_ulp_setup(card))){
3201 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3204 if ((rc = qeth_alloc_qdio_buffers(card))){
3205 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3208 if ((rc = qeth_qdio_establish(card))){
3209 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3210 qeth_free_qdio_buffers(card);
3213 if ((rc = qeth_qdio_activate(card))){
3214 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3217 if ((rc = qeth_dm_act(card))){
3218 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3224 qeth_qdio_clear_card(card, card->info.type==QETH_CARD_TYPE_OSAE);
3228 static struct net_device *
3229 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3231 struct net_device *dev = NULL;
3234 case QETH_CARD_TYPE_OSAE:
3236 case QETH_LINK_TYPE_LANE_TR:
3237 case QETH_LINK_TYPE_HSTR:
3239 dev = alloc_trdev(0);
3240 #endif /* CONFIG_TR */
3243 dev = alloc_etherdev(0);
3246 case QETH_CARD_TYPE_IQD:
3247 dev = alloc_netdev(0, "hsi%d", ether_setup);
3250 dev = alloc_etherdev(0);
3256 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3259 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3262 struct qeth_card *card;
3264 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3265 card = (struct qeth_card *)dev->priv;
3267 card->stats.tx_dropped++;
3268 card->stats.tx_errors++;
3271 if ((card->state != CARD_STATE_UP) || !netif_carrier_ok(dev)) {
3272 card->stats.tx_dropped++;
3273 card->stats.tx_errors++;
3274 card->stats.tx_carrier_errors++;
3277 #ifdef CONFIG_QETH_PERF_STATS
3278 card->perf_stats.outbound_cnt++;
3279 card->perf_stats.outbound_start_time = qeth_get_micros();
3282 * dev_queue_xmit should ensure that we are called packet
3285 netif_stop_queue(dev);
3286 if (!(rc = qeth_send_packet(card, skb)))
3287 netif_wake_queue(dev);
3289 #ifdef CONFIG_QETH_PERF_STATS
3290 card->perf_stats.outbound_time += qeth_get_micros() -
3291 card->perf_stats.outbound_start_time;
3297 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3300 #ifdef CONFIG_QETH_VLAN
3301 struct vlan_group *vg;
3304 if (!(vg = card->vlangrp))
3307 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3308 if (vg->vlan_devices[i] == dev){
3309 rc = QETH_VLAN_CARD;
3318 qeth_verify_dev(struct net_device *dev)
3320 struct qeth_card *card;
3321 unsigned long flags;
3324 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3325 list_for_each_entry(card, &qeth_card_list.list, list){
3326 if (card->dev == dev){
3327 rc = QETH_REAL_CARD;
3330 rc = qeth_verify_vlan_dev(dev, card);
3334 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3339 static struct qeth_card *
3340 qeth_get_card_from_dev(struct net_device *dev)
3342 struct qeth_card *card = NULL;
3345 rc = qeth_verify_dev(dev);
3346 if (rc == QETH_REAL_CARD)
3347 card = (struct qeth_card *)dev->priv;
3348 else if (rc == QETH_VLAN_CARD)
3349 card = (struct qeth_card *)
3350 VLAN_DEV_INFO(dev)->real_dev->priv;
3352 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3357 qeth_tx_timeout(struct net_device *dev)
3359 struct qeth_card *card;
3361 card = (struct qeth_card *) dev->priv;
3362 card->stats.tx_errors++;
3363 qeth_schedule_recovery(card);
3367 qeth_open(struct net_device *dev)
3369 struct qeth_card *card;
3371 QETH_DBF_TEXT(trace, 4, "qethopen");
3373 card = (struct qeth_card *) dev->priv;
3375 if (card->state != CARD_STATE_SOFTSETUP)
3378 card->dev->flags |= IFF_UP;
3379 netif_start_queue(dev);
3380 card->data.state = CH_STATE_UP;
3381 card->state = CARD_STATE_UP;
3383 if (!card->lan_online){
3384 if (netif_carrier_ok(dev))
3385 netif_carrier_off(dev);
3386 netif_stop_queue(dev);
3392 qeth_stop(struct net_device *dev)
3394 struct qeth_card *card;
3396 QETH_DBF_TEXT(trace, 4, "qethstop");
3398 card = (struct qeth_card *) dev->priv;
3400 netif_stop_queue(dev);
3401 card->dev->flags &= ~IFF_UP;
3402 if (card->state == CARD_STATE_UP)
3403 card->state = CARD_STATE_SOFTSETUP;
3408 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3410 int cast_type = RTN_UNSPEC;
3412 if (skb->dst && skb->dst->neighbour){
3413 cast_type = skb->dst->neighbour->type;
3414 if ((cast_type == RTN_BROADCAST) ||
3415 (cast_type == RTN_MULTICAST) ||
3416 (cast_type == RTN_ANYCAST))
3421 /* try something else */
3422 if (skb->protocol == ETH_P_IPV6)
3423 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3424 else if (skb->protocol == ETH_P_IP)
3425 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3427 if (!memcmp(skb->nh.raw, skb->dev->broadcast, 6))
3428 return RTN_BROADCAST;
3432 hdr_mac = *((u16 *)skb->nh.raw);
3434 switch (card->info.link_type) {
3435 case QETH_LINK_TYPE_HSTR:
3436 case QETH_LINK_TYPE_LANE_TR:
3437 if ((hdr_mac == QETH_TR_MAC_NC) ||
3438 (hdr_mac == QETH_TR_MAC_C))
3439 return RTN_MULTICAST;
3440 /* eth or so multicast? */
3442 if ((hdr_mac == QETH_ETH_MAC_V4) ||
3443 (hdr_mac == QETH_ETH_MAC_V6))
3444 return RTN_MULTICAST;
3451 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3452 int ipv, int cast_type)
3454 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3455 return card->qdio.default_out_queue;
3456 switch (card->qdio.no_out_queues) {
3458 if (cast_type && card->info.is_multicast_different)
3459 return card->info.is_multicast_different &
3460 (card->qdio.no_out_queues - 1);
3461 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3462 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3463 if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT)
3465 if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY)
3467 if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT)
3469 if (skb->nh.iph->tos & IP_TOS_LOWDELAY)
3472 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3473 return 3 - (skb->nh.iph->tos >> 6);
3474 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3477 return card->qdio.default_out_queue;
3484 qeth_get_ip_version(struct sk_buff *skb)
3486 switch (skb->protocol) {
3497 qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
3498 struct qeth_hdr **hdr, int ipv)
3500 struct sk_buff *new_skb;
3501 #ifdef CONFIG_QETH_VLAN
3505 QETH_DBF_TEXT(trace, 6, "prepskb");
3506 if (skb_headroom(*skb) < sizeof(struct qeth_hdr)){
3507 new_skb = skb_realloc_headroom(*skb, sizeof(struct qeth_hdr));
3509 PRINT_ERR("qeth_prepare_skb: could "
3510 "not realloc headroom for qeth_hdr "
3511 "on interface %s", card->info.if_name);
3516 #ifdef CONFIG_QETH_VLAN
3517 if (card->vlangrp && vlan_tx_tag_present(*skb) && (ipv == 6)){
3519 * Move the mac addresses (6 bytes src, 6 bytes dest)
3520 * to the beginning of the new header. We are using three
3521 * memcpys instead of one memmove to save cycles.
3523 skb_push(*skb, VLAN_HLEN);
3524 memcpy((*skb)->data, (*skb)->data + 4, 4);
3525 memcpy((*skb)->data + 4, (*skb)->data + 8, 4);
3526 memcpy((*skb)->data + 8, (*skb)->data + 12, 4);
3527 tag = (u16 *) (*skb)->data + 12;
3529 * first two bytes = ETH_P_8021Q (0x8100)
3530 * second two bytes = VLANID
3532 *tag = __constant_htons(ETH_P_8021Q);
3533 *(tag + 1) = vlan_tx_tag_get(*skb);
3534 *(tag + 1) = htons(*(tag + 1));
3537 *hdr = (struct qeth_hdr *) skb_push(*skb, sizeof(struct qeth_hdr));
3539 * sanity check, the Linux memory allocation scheme should
3540 * never present us cases like this one (the 32bytes header plus
3541 * the first 40 bytes of the paket cross a 4k boundary)
3543 if ((((unsigned long) *hdr) & (~(PAGE_SIZE - 1))) !=
3544 (((unsigned long) *hdr + sizeof(struct qeth_hdr) +
3545 QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
3546 PRINT_ERR("qeth_prepare_skb: misaligned "
3547 "packet on interface %s. Discarded.",
3548 card->info.if_name);
3555 qeth_get_qeth_hdr_flags4(int cast_type)
3557 if (cast_type == RTN_MULTICAST)
3558 return QETH_CAST_MULTICAST;
3559 if (cast_type == RTN_BROADCAST)
3560 return QETH_CAST_BROADCAST;
3561 return QETH_CAST_UNICAST;
3565 qeth_get_qeth_hdr_flags6(int cast_type)
3567 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3568 if (cast_type == RTN_MULTICAST)
3569 return ct | QETH_CAST_MULTICAST;
3570 if (cast_type == RTN_ANYCAST)
3571 return ct | QETH_CAST_ANYCAST;
3572 if (cast_type == RTN_BROADCAST)
3573 return ct | QETH_CAST_BROADCAST;
3574 return ct | QETH_CAST_UNICAST;
3578 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
3579 struct sk_buff *skb, int ipv, int cast_type)
3584 QETH_DBF_TEXT(trace, 6, "fillhdr");
3585 #ifdef CONFIG_QETH_VLAN
3587 * before we're going to overwrite this location with next hop ip.
3588 * v6 uses passthrough, v4 sets the tag in the QDIO header.
3590 if (card->vlangrp && vlan_tx_tag_present(skb)) {
3591 hdr->ext_flags = (ipv == 4)? QETH_EXT_HDR_VLAN_FRAME :
3592 QETH_EXT_HDR_INCLUDE_VLAN_TAG;
3593 hdr->vlan_id = vlan_tx_tag_get(skb);
3595 #endif /* CONFIG_QETH_VLAN */
3596 hdr->length = skb->len - sizeof(struct qeth_hdr);
3597 if (ipv == 4) { /* IPv4 */
3598 hdr->flags = qeth_get_qeth_hdr_flags4(cast_type);
3599 memset(hdr->dest_addr, 0, 12);
3600 if ((skb->dst) && (skb->dst->neighbour)) {
3601 *((u32 *) (&hdr->dest_addr[12])) =
3602 *((u32 *) skb->dst->neighbour->primary_key);
3604 /* fill in destination address used in ip header */
3605 *((u32 *) (&hdr->dest_addr[12])) = skb->nh.iph->daddr;
3607 } else if (ipv == 6) { /* IPv6 or passthru */
3608 hdr->flags = qeth_get_qeth_hdr_flags6(cast_type);
3609 if ((skb->dst) && (skb->dst->neighbour)) {
3610 memcpy(hdr->dest_addr,
3611 skb->dst->neighbour->primary_key, 16);
3613 /* fill in destination address used in ip header */
3614 memcpy(hdr->dest_addr, &skb->nh.ipv6h->daddr, 16);
3616 } else { /* passthrough */
3617 if (!memcmp(skb->data + sizeof(struct qeth_hdr),
3618 skb->dev->broadcast, 6)) { /* broadcast? */
3619 hdr->flags = QETH_CAST_BROADCAST | QETH_HDR_PASSTHRU;
3621 hdr->flags = (cast_type == RTN_MULTICAST) ?
3622 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
3623 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
3629 qeth_fill_buffer(struct qeth_qdio_out_q *queue, struct qeth_qdio_out_buffer *buf,
3630 char *data, struct sk_buff *skb)
3632 struct qdio_buffer *buffer;
3633 int length = skb->len;
3638 QETH_DBF_TEXT(trace, 6, "qdfillbf");
3639 buffer = buf->buffer;
3640 atomic_inc(&skb->users);
3641 skb_queue_tail(&buf->skb_list, skb);
3642 element = buf->next_element_to_fill;
3643 while (length > 0) {
3644 /* length_here is the remaining amount of data in this page */
3645 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
3646 if (length < length_here)
3647 length_here = length;
3648 buffer->element[element].addr = data;
3649 buffer->element[element].length = length_here;
3650 length -= length_here;
3653 buffer->element[element].flags = 0;
3655 buffer->element[element].flags =
3656 SBAL_FLAGS_LAST_FRAG;
3659 buffer->element[element].flags =
3660 SBAL_FLAGS_FIRST_FRAG;
3662 buffer->element[element].flags =
3663 SBAL_FLAGS_MIDDLE_FRAG;
3665 data += length_here;
3669 buf->next_element_to_fill = element;
3670 if (!queue->do_pack) {
3671 QETH_DBF_TEXT(trace, 6, "fillbfnp");
3672 /* set state to PRIMED -> will be flushed */
3673 buf->state = QETH_QDIO_BUF_PRIMED;
3675 QETH_DBF_TEXT(trace, 6, "fillbfpa");
3676 #ifdef CONFIG_QETH_PERF_STATS
3677 queue->card->perf_stats.skbs_sent_pack++;
3679 if (buf->next_element_to_fill >=
3680 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
3682 * packed buffer if full -> set state PRIMED
3683 * -> will be flushed
3685 buf->state = QETH_QDIO_BUF_PRIMED;
3692 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
3693 struct sk_buff *skb, struct qeth_hdr *hdr,
3694 int elements_needed)
3696 struct qeth_qdio_out_buffer *buffer;
3700 QETH_DBF_TEXT(trace, 6, "dosndpfa");
3702 spin_lock(&queue->lock);
3703 /* do we have empty buffers? */
3704 if (atomic_read(&queue->used_buffers) >= (QDIO_MAX_BUFFERS_PER_Q - 1)){
3705 card->stats.tx_dropped++;
3707 spin_unlock(&queue->lock);
3710 index = queue->next_buf_to_fill;
3711 buffer = &queue->bufs[queue->next_buf_to_fill];
3712 BUG_ON(buffer->state == QETH_QDIO_BUF_PRIMED);
3713 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
3714 QDIO_MAX_BUFFERS_PER_Q;
3715 atomic_inc(&queue->used_buffers);
3716 spin_unlock(&queue->lock);
3718 /* go on sending ... */
3719 netif_wake_queue(skb->dev);
3720 qeth_fill_buffer(queue, buffer, (char *)hdr, skb);
3721 qeth_flush_buffers(queue, 0, index, 1);
3727 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
3728 struct sk_buff *skb, struct qeth_hdr *hdr,
3729 int elements_needed)
3731 struct qeth_qdio_out_buffer *buffer;
3733 int flush_count = 0;
3736 QETH_DBF_TEXT(trace, 6, "dosndpkt");
3738 spin_lock(&queue->lock);
3739 /* do we have empty buffers? */
3740 if (atomic_read(&queue->used_buffers) >= (QDIO_MAX_BUFFERS_PER_Q - 2)){
3741 card->stats.tx_dropped++;
3745 start_index = queue->next_buf_to_fill;
3746 buffer = &queue->bufs[queue->next_buf_to_fill];
3747 BUG_ON(buffer->state == QETH_QDIO_BUF_PRIMED);
3748 if (queue->do_pack){
3749 /* does packet fit in current buffer? */
3750 if((QETH_MAX_BUFFER_ELEMENTS(card) - buffer->next_element_to_fill)
3752 /* ... no -> set state PRIMED */
3753 buffer->state = QETH_QDIO_BUF_PRIMED;
3755 atomic_inc(&queue->used_buffers);
3756 queue->next_buf_to_fill =
3757 (queue->next_buf_to_fill + 1) %
3758 QDIO_MAX_BUFFERS_PER_Q;
3759 buffer = &queue->bufs[queue->next_buf_to_fill];
3763 qeth_fill_buffer(queue, buffer, (char *)hdr, skb);
3764 if (buffer->state == QETH_QDIO_BUF_PRIMED){
3765 /* next time fill the next buffer */
3767 atomic_inc(&queue->used_buffers);
3768 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
3769 QDIO_MAX_BUFFERS_PER_Q;
3771 /* check if we need to switch packing state of this queue */
3772 flush_count += qeth_switch_packing_state(queue);
3775 qeth_flush_buffers(queue, 0, start_index, flush_count);
3777 if (!atomic_read(&queue->set_pci_flags_count))
3778 qeth_flush_buffers_on_no_pci(queue, 0);
3780 spin_unlock(&queue->lock);
3786 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
3790 struct qeth_qdio_out_q *queue;
3791 struct qeth_hdr *hdr;
3792 int elements_needed;
3795 QETH_DBF_TEXT(trace, 6, "sendpkt");
3797 ipv = qeth_get_ip_version(skb);
3798 cast_type = qeth_get_cast_type(card, skb);
3799 queue = card->qdio.out_qs
3800 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
3802 if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))){
3803 QETH_DBF_TEXT_(trace, 4, "1err%d", rc);
3806 qeth_fill_header(card, hdr, skb, ipv, cast_type);
3807 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) + skb->len)
3809 if (elements_needed > QETH_MAX_BUFFER_ELEMENTS(card)){
3810 PRINT_ERR("qeth_do_send_packet: invalid size of "
3811 "IP packet. Discarded.");
3815 if (card->info.type != QETH_CARD_TYPE_IQD)
3816 rc = qeth_do_send_packet(card, queue, skb, hdr,
3819 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
3823 card->stats.tx_packets++;
3824 card->stats.tx_bytes += skb->len;
3830 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
3832 struct qeth_card *card = (struct qeth_card *) dev->priv;
3836 case MII_BMCR: /* Basic mode control register */
3838 if(card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)
3839 rc |= BMCR_SPEED100;
3841 case MII_BMSR: /* Basic mode status register */
3842 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
3843 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
3846 case MII_PHYSID1: /* PHYS ID 1 */
3847 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
3849 rc = (rc >> 5) & 0xFFFF;
3851 case MII_PHYSID2: /* PHYS ID 2 */
3852 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
3854 case MII_ADVERTISE: /* Advertisement control reg */
3857 case MII_LPA: /* Link partner ability reg */
3858 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
3859 LPA_100BASE4 | LPA_LPACK;
3861 case MII_EXPANSION: /* Expansion register */
3863 case MII_DCOUNTER: /* disconnect counter */
3865 case MII_FCSCOUNTER: /* false carrier counter */
3867 case MII_NWAYTEST: /* N-way auto-neg test register */
3869 case MII_RERRCOUNTER: /* rx error counter */
3870 rc = card->stats.rx_errors;
3872 case MII_SREVISION: /* silicon revision */
3874 case MII_RESV1: /* reserved 1 */
3876 case MII_LBRERROR: /* loopback, rx, bypass error */
3878 case MII_PHYADDR: /* physical address */
3880 case MII_RESV2: /* reserved 2 */
3882 case MII_TPISTATUS: /* TPI status for 10mbps */
3884 case MII_NCONFIG: /* network interface config */
3894 qeth_mdio_write(struct net_device *dev, int phy_id, int regnum, int value)
3897 case MII_BMCR: /* Basic mode control register */
3898 case MII_BMSR: /* Basic mode status register */
3899 case MII_PHYSID1: /* PHYS ID 1 */
3900 case MII_PHYSID2: /* PHYS ID 2 */
3901 case MII_ADVERTISE: /* Advertisement control reg */
3902 case MII_LPA: /* Link partner ability reg */
3903 case MII_EXPANSION: /* Expansion register */
3904 case MII_DCOUNTER: /* disconnect counter */
3905 case MII_FCSCOUNTER: /* false carrier counter */
3906 case MII_NWAYTEST: /* N-way auto-neg test register */
3907 case MII_RERRCOUNTER: /* rx error counter */
3908 case MII_SREVISION: /* silicon revision */
3909 case MII_RESV1: /* reserved 1 */
3910 case MII_LBRERROR: /* loopback, rx, bypass error */
3911 case MII_PHYADDR: /* physical address */
3912 case MII_RESV2: /* reserved 2 */
3913 case MII_TPISTATUS: /* TPI status for 10mbps */
3914 case MII_NCONFIG: /* network interface config */
3920 static inline const char *
3921 qeth_arp_get_error_cause(int *rc)
3924 case QETH_IPA_ARP_RC_FAILED:
3926 return "operation failed";
3927 case QETH_IPA_ARP_RC_NOTSUPP:
3929 return "operation not supported";
3930 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
3932 return "argument out of range";
3933 case QETH_IPA_ARP_RC_Q_NOTSUPP:
3935 return "query operation not supported";
3936 case QETH_IPA_ARP_RC_Q_NO_DATA:
3938 return "no query data available";
3940 return "unknown error";
3945 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
3949 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
3954 QETH_DBF_TEXT(trace,3,"arpstnoe");
3956 /* TODO: really not supported by GuestLAN? */
3957 if (card->info.guestlan)
3959 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
3960 PRINT_WARN("ARP processing not supported "
3961 "on %s!\n", card->info.if_name);
3964 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
3965 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
3969 PRINT_WARN("Could not set number of ARP entries on %s: "
3971 card->info.if_name, qeth_arp_get_error_cause(&rc),
3978 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
3979 struct qeth_arp_query_data *qdata,
3980 int entry_size, int uentry_size)
3986 entry_ptr = (char *)&qdata->data;
3987 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
3988 for (i = 0; i < qdata->no_entries; ++i){
3989 /* strip off 32 bytes "media specific information" */
3990 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
3991 entry_ptr += entry_size;
3992 uentry_ptr += uentry_size;
3997 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4000 struct qeth_ipa_cmd *cmd;
4001 struct qeth_arp_query_data *qdata;
4002 struct qeth_arp_query_info *qinfo;
4007 QETH_DBF_TEXT(trace,4,"arpquecb");
4009 qinfo = (struct qeth_arp_query_info *) reply->param;
4010 cmd = (struct qeth_ipa_cmd *) data;
4011 if (cmd->hdr.return_code) {
4012 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4015 if (cmd->data.setassparms.hdr.return_code) {
4016 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4017 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4020 qdata = &cmd->data.setassparms.data.query_arp;
4021 switch(qdata->reply_bits){
4023 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4024 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4025 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4028 /* fall through to default */
4030 /* tr is the same as eth -> entry7 */
4031 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4032 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4033 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4036 /* check if there is enough room in userspace */
4037 if ((qinfo->udata_len - qinfo->udata_offset) <
4038 qdata->no_entries * uentry_size){
4039 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4040 cmd->hdr.return_code = -ENOMEM;
4041 PRINT_WARN("query ARP user space buffer is too small for "
4042 "the returned number of ARP entries. "
4043 "Aborting query!\n");
4046 QETH_DBF_TEXT_(trace, 4, "anore%i",
4047 cmd->data.setassparms.hdr.number_of_replies);
4048 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4049 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4051 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4052 /* strip off "media specific information" */
4053 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4056 /*copy entries to user buffer*/
4057 memcpy(qinfo->udata + qinfo->udata_offset,
4058 (char *)&qdata->data, qdata->no_entries*uentry_size);
4060 qinfo->no_entries += qdata->no_entries;
4061 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4062 /* check if all replies received ... */
4063 if (cmd->data.setassparms.hdr.seq_no <
4064 cmd->data.setassparms.hdr.number_of_replies)
4066 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4067 /* keep STRIP_ENTRIES flag so the user program can distinguish
4068 * stripped entries from normal ones */
4069 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4070 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4071 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4075 memcpy(qinfo->udata, &i, 4);
4080 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4081 int len, int (*reply_cb)
4082 (struct qeth_card *,
4083 struct qeth_reply*, unsigned long),
4088 QETH_DBF_TEXT(trace,4,"sendarp");
4090 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4091 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4092 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4093 rc = qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4094 reply_cb, reply_param);
4098 static struct qeth_cmd_buffer *
4099 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4100 __u16, __u16, enum qeth_prot_versions);
4102 qeth_arp_query(struct qeth_card *card, char *udata)
4104 struct qeth_cmd_buffer *iob;
4105 struct qeth_arp_query_info qinfo = {0, };
4109 QETH_DBF_TEXT(trace,3,"arpquery");
4112 * currently GuestLAN does only deliver all zeros on query arp,
4113 * even though arp processing is supported (according to IPA supp.
4114 * funcs flags); since all zeros is no valueable information,
4115 * we say EOPNOTSUPP for all ARP functions
4117 if (card->info.guestlan)
4119 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4120 IPA_ARP_PROCESSING)) {
4121 PRINT_WARN("ARP processing not supported "
4122 "on %s!\n", card->info.if_name);
4125 /* get size of userspace buffer and mask_bits -> 6 bytes */
4126 if (copy_from_user(&qinfo, udata, 6))
4128 if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL)))
4130 memset(qinfo.udata, 0, qinfo.udata_len);
4131 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4132 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4133 IPA_CMD_ASS_ARP_QUERY_INFO,
4134 sizeof(int),QETH_PROT_IPV4);
4136 rc = qeth_send_ipa_arp_cmd(card, iob,
4137 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4142 PRINT_WARN("Error while querying ARP cache on %s: %s "
4144 card->info.if_name, qeth_arp_get_error_cause(&rc),
4146 copy_to_user(udata, qinfo.udata, 4);
4148 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4155 * SNMP command callback
4158 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4159 unsigned long sdata)
4161 struct qeth_ipa_cmd *cmd;
4162 struct qeth_arp_query_info *qinfo;
4163 struct qeth_snmp_cmd *snmp;
4164 unsigned char *data;
4167 QETH_DBF_TEXT(trace,3,"snpcmdcb");
4169 cmd = (struct qeth_ipa_cmd *) sdata;
4170 data = (unsigned char *)((char *)cmd - reply->offset);
4171 qinfo = (struct qeth_arp_query_info *) reply->param;
4172 snmp = &cmd->data.setadapterparms.data.snmp;
4174 if (cmd->hdr.return_code) {
4175 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4178 if (cmd->data.setadapterparms.hdr.return_code) {
4179 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4180 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4183 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4184 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4185 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4187 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4188 /* check if there is enough room in userspace */
4189 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4190 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4191 cmd->hdr.return_code = -ENOMEM;
4194 QETH_DBF_TEXT_(trace, 4, "snore%i",
4195 cmd->data.setadapterparms.hdr.used_total);
4196 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setassparms.hdr.seq_no);
4197 /*copy entries to user buffer*/
4198 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4199 memcpy(qinfo->udata + qinfo->udata_offset,
4200 (char *)snmp,offsetof(struct qeth_snmp_cmd,data));
4201 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4203 memcpy(qinfo->udata + qinfo->udata_offset,
4204 (char *)&snmp->data, data_len);
4205 qinfo->udata_offset += data_len;
4206 /* check if all replies received ... */
4207 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4208 cmd->data.setadapterparms.hdr.used_total);
4209 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4210 cmd->data.setadapterparms.hdr.seq_no);
4211 if (cmd->data.setadapterparms.hdr.seq_no <
4212 cmd->data.setadapterparms.hdr.used_total)
4218 static struct qeth_cmd_buffer *
4219 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4220 enum qeth_prot_versions );
4222 static struct qeth_cmd_buffer *
4223 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4225 struct qeth_cmd_buffer *iob;
4226 struct qeth_ipa_cmd *cmd;
4228 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4230 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4231 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4232 cmd->data.setadapterparms.hdr.command_code = command;
4233 cmd->data.setadapterparms.hdr.used_total = 1;
4234 cmd->data.setadapterparms.hdr.seq_no = 1;
4240 * function to send SNMP commands to OSA-E card
4243 qeth_snmp_command(struct qeth_card *card, char *udata)
4245 struct qeth_cmd_buffer *iob;
4246 struct qeth_ipa_cmd *cmd;
4247 struct qeth_snmp_ureq ureq;
4248 struct qeth_arp_query_info qinfo = {0, };
4251 QETH_DBF_TEXT(trace,3,"snmpcmd");
4253 if (card->info.guestlan)
4255 if (!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) {
4256 PRINT_WARN("SNMP Query MIBS not supported "
4257 "on %s!\n", card->info.if_name);
4260 if (copy_from_user(&ureq, udata, sizeof(struct qeth_snmp_ureq)))
4262 qinfo.udata_len = ureq.hdr.data_len;
4263 if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL)))
4265 memset(qinfo.udata, 0, qinfo.udata_len);
4266 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4268 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4269 QETH_SNMP_SETADP_CMDLENGTH+ureq.hdr.req_len);
4270 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4271 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq.cmd,
4272 sizeof(struct qeth_snmp_cmd));
4273 rc = qeth_send_ipa_arp_cmd(card, iob,
4274 QETH_SETADP_BASE_LEN + QETH_ARP_DATA_SIZE +
4275 ureq.hdr.req_len, qeth_snmp_command_cb,
4278 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4279 card->info.if_name, rc);
4281 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4289 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
4293 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
4296 (struct qeth_card *, struct qeth_reply *, unsigned long),
4300 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
4302 struct qeth_cmd_buffer *iob;
4307 QETH_DBF_TEXT(trace,3,"arpadent");
4310 * currently GuestLAN does only deliver all zeros on query arp,
4311 * even though arp processing is supported (according to IPA supp.
4312 * funcs flags); since all zeros is no valueable information,
4313 * we say EOPNOTSUPP for all ARP functions
4315 if (card->info.guestlan)
4317 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4318 PRINT_WARN("ARP processing not supported "
4319 "on %s!\n", card->info.if_name);
4323 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4324 IPA_CMD_ASS_ARP_ADD_ENTRY,
4325 sizeof(struct qeth_arp_cache_entry),
4327 rc = qeth_send_setassparms(card, iob,
4328 sizeof(struct qeth_arp_cache_entry),
4329 (unsigned long) entry,
4330 qeth_default_setassparms_cb, NULL);
4333 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
4334 PRINT_WARN("Could not add ARP entry for address %s on %s: "
4336 buf, card->info.if_name,
4337 qeth_arp_get_error_cause(&rc), tmp, tmp);
4343 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
4345 struct qeth_cmd_buffer *iob;
4346 char buf[16] = {0, };
4350 QETH_DBF_TEXT(trace,3,"arprment");
4353 * currently GuestLAN does only deliver all zeros on query arp,
4354 * even though arp processing is supported (according to IPA supp.
4355 * funcs flags); since all zeros is no valueable information,
4356 * we say EOPNOTSUPP for all ARP functions
4358 if (card->info.guestlan)
4360 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4361 PRINT_WARN("ARP processing not supported "
4362 "on %s!\n", card->info.if_name);
4365 memcpy(buf, entry, 12);
4366 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4367 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
4370 rc = qeth_send_setassparms(card, iob,
4371 12, (unsigned long)buf,
4372 qeth_default_setassparms_cb, NULL);
4376 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
4377 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
4379 buf, card->info.if_name,
4380 qeth_arp_get_error_cause(&rc), tmp, tmp);
4386 qeth_arp_flush_cache(struct qeth_card *card)
4391 QETH_DBF_TEXT(trace,3,"arpflush");
4394 * currently GuestLAN does only deliver all zeros on query arp,
4395 * even though arp processing is supported (according to IPA supp.
4396 * funcs flags); since all zeros is no valueable information,
4397 * we say EOPNOTSUPP for all ARP functions
4399 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
4401 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4402 PRINT_WARN("ARP processing not supported "
4403 "on %s!\n", card->info.if_name);
4406 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4407 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
4410 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
4411 card->info.if_name, qeth_arp_get_error_cause(&rc),
4418 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
4420 struct qeth_card *card = (struct qeth_card *)dev->priv;
4421 struct qeth_arp_cache_entry arp_entry;
4422 struct mii_ioctl_data *mii_data;
4428 if (card->state != CARD_STATE_UP)
4432 case SIOC_QETH_ARP_SET_NO_ENTRIES:
4433 if (!capable(CAP_NET_ADMIN)){
4437 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
4439 case SIOC_QETH_ARP_QUERY_INFO:
4440 if (!capable(CAP_NET_ADMIN)){
4444 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
4446 case SIOC_QETH_ARP_ADD_ENTRY:
4447 if (!capable(CAP_NET_ADMIN)){
4451 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
4452 sizeof(struct qeth_arp_cache_entry)))
4455 rc = qeth_arp_add_entry(card, &arp_entry);
4457 case SIOC_QETH_ARP_REMOVE_ENTRY:
4458 if (!capable(CAP_NET_ADMIN)){
4462 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
4463 sizeof(struct qeth_arp_cache_entry)))
4466 rc = qeth_arp_remove_entry(card, &arp_entry);
4468 case SIOC_QETH_ARP_FLUSH_CACHE:
4469 if (!capable(CAP_NET_ADMIN)){
4473 rc = qeth_arp_flush_cache(card);
4475 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
4476 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
4478 case SIOC_QETH_GET_CARD_TYPE:
4481 mii_data = (struct mii_ioctl_data *) &rq->ifr_ifru.ifru_data;
4482 mii_data->phy_id = 0;
4485 mii_data = (struct mii_ioctl_data *) &rq->ifr_ifru.ifru_data;
4486 if (mii_data->phy_id != 0)
4489 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
4495 /* TODO: remove return if qeth_mdio_write does something */
4496 if (!capable(CAP_NET_ADMIN)){
4500 mii_data = (struct mii_ioctl_data *) &rq->ifr_ifru.ifru_data;
4501 if (mii_data->phy_id != 0)
4504 qeth_mdio_write(dev, mii_data->phy_id, mii_data->reg_num,
4511 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
4515 static struct net_device_stats *
4516 qeth_get_stats(struct net_device *dev)
4518 struct qeth_card *card;
4520 card = (struct qeth_card *) (dev->priv);
4522 QETH_DBF_TEXT(trace,5,"getstat");
4524 return &card->stats;
4528 qeth_change_mtu(struct net_device *dev, int new_mtu)
4530 struct qeth_card *card;
4533 card = (struct qeth_card *) (dev->priv);
4535 QETH_DBF_TEXT(trace,4,"chgmtu");
4536 sprintf(dbf_text, "%8x", new_mtu);
4537 QETH_DBF_TEXT(trace,4,dbf_text);
4541 if (new_mtu > 65535)
4543 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
4544 (!qeth_mtu_is_valid(card, new_mtu)))
4550 #ifdef CONFIG_QETH_VLAN
4552 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
4554 struct qeth_card *card;
4555 unsigned long flags;
4557 QETH_DBF_TEXT(trace,4,"vlanreg");
4559 card = (struct qeth_card *) dev->priv;
4560 spin_lock_irqsave(&card->vlanlock, flags);
4561 card->vlangrp = grp;
4562 spin_unlock_irqrestore(&card->vlanlock, flags);
4566 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
4570 struct sk_buff *skb;
4571 struct sk_buff_head tmp_list;
4573 skb_queue_head_init(&tmp_list);
4574 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
4575 while ((skb = skb_dequeue(&buf->skb_list))){
4576 if (vlan_tx_tag_present(skb) &&
4577 (vlan_tx_tag_get(skb) == vid)) {
4578 atomic_dec(&skb->users);
4581 skb_queue_tail(&tmp_list, skb);
4584 while ((skb = skb_dequeue(&tmp_list)))
4585 skb_queue_tail(&buf->skb_list, skb);
4589 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
4593 QETH_DBF_TEXT(trace, 4, "frvlskbs");
4594 for (i = 0; i < card->qdio.no_out_queues; ++i){
4595 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
4596 qeth_free_vlan_buffer(card, &card->qdio.
4597 out_qs[i]->bufs[j], vid);
4602 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
4604 struct in_device *in_dev;
4605 struct in_ifaddr *ifa;
4606 struct qeth_ipaddr *addr;
4608 QETH_DBF_TEXT(trace, 4, "frvaddr4");
4611 in_dev = in_dev_get(card->vlangrp->vlan_devices[vid]);
4614 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next){
4615 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
4617 addr->u.a4.addr = ifa->ifa_address;
4618 addr->u.a4.mask = ifa->ifa_mask;
4619 addr->type = QETH_IP_TYPE_NORMAL;
4620 if (!qeth_delete_ip(card, addr))
4628 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
4630 struct inet6_dev *in6_dev;
4631 struct inet6_ifaddr *ifa;
4632 struct qeth_ipaddr *addr;
4634 QETH_DBF_TEXT(trace, 4, "frvaddr6");
4637 in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
4640 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
4641 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
4643 memcpy(&addr->u.a6.addr, &ifa->addr,
4644 sizeof(struct in6_addr));
4645 addr->u.a6.pfxlen = ifa->prefix_len;
4646 addr->type = QETH_IP_TYPE_NORMAL;
4647 if (!qeth_delete_ip(card, addr))
4651 in6_dev_put(in6_dev);
4655 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
4657 struct qeth_card *card;
4658 unsigned long flags;
4660 QETH_DBF_TEXT(trace,4,"vlkilvid");
4662 card = (struct qeth_card *) dev->priv;
4663 /* free all skbs for the vlan device */
4664 qeth_free_vlan_skbs(card, vid);
4665 spin_lock_irqsave(&card->vlanlock, flags);
4666 /* unregister IP addresses of vlan device */
4667 qeth_free_vlan_addresses4(card, vid);
4668 qeth_free_vlan_addresses6(card, vid);
4670 card->vlangrp->vlan_devices[vid] = NULL;
4671 spin_unlock_irqrestore(&card->vlanlock, flags);
4672 qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD);
4673 /* delete mc addresses for this vlan dev */
4674 qeth_set_thread_start_bit(card, QETH_SET_MC_THREAD);
4675 schedule_work(&card->kernel_thread_starter);
4680 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
4685 #ifdef CONFIG_QETH_IPV6
4687 qeth_ipv6_generate_eui64(u8 * eui, struct net_device *dev)
4689 switch (dev->type) {
4692 case ARPHRD_IEEE802_TR:
4693 if (dev->addr_len != ETH_ALEN)
4695 memcpy(eui, dev->dev_addr, 3);
4696 memcpy(eui + 5, dev->dev_addr + 3, 3);
4697 eui[3] = (dev->dev_id >> 8) & 0xff;
4698 eui[4] = dev->dev_id & 0xff;
4707 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
4709 if (dev->type == ARPHRD_IEEE802_TR)
4710 ip_tr_mc_map(ipm, mac);
4712 ip_eth_mc_map(ipm, mac);
4715 static struct qeth_ipaddr *
4716 qeth_get_addr_buffer(enum qeth_prot_versions prot)
4718 struct qeth_ipaddr *addr;
4720 addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
4722 PRINT_WARN("Not enough memory to add address\n");
4725 memset(addr,0,sizeof(struct qeth_ipaddr));
4726 addr->type = QETH_IP_TYPE_NORMAL;
4732 qeth_delete_mc_addresses(struct qeth_card *card)
4734 struct qeth_ipaddr *ipm, *iptodo;
4735 unsigned long flags;
4737 QETH_DBF_TEXT(trace,4,"delmc");
4738 spin_lock_irqsave(&card->ip_lock, flags);
4739 list_for_each_entry(ipm, &card->ip_list, entry){
4740 if (!ipm->is_multicast)
4742 iptodo = qeth_get_addr_buffer(ipm->proto);
4744 QETH_DBF_TEXT(trace, 2, "dmcnomem");
4747 memcpy(iptodo, ipm, sizeof(struct qeth_ipaddr));
4748 iptodo->users = iptodo->users * -1;
4749 if (!__qeth_insert_ip_todo(card, iptodo, 0))
4752 spin_unlock_irqrestore(&card->ip_lock, flags);
4756 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
4758 struct qeth_ipaddr *ipm;
4759 struct ip_mc_list *im4;
4760 char buf[MAX_ADDR_LEN];
4762 QETH_DBF_TEXT(trace,4,"addmc");
4763 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
4764 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
4765 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
4768 ipm->u.a4.addr = im4->multiaddr;
4769 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
4770 ipm->is_multicast = 1;
4771 if (!qeth_add_ip(card,ipm))
4777 qeth_add_vlan_mc(struct qeth_card *card)
4779 #ifdef CONFIG_QETH_VLAN
4780 struct in_device *in_dev;
4781 struct vlan_group *vg;
4784 QETH_DBF_TEXT(trace,4,"addmcvl");
4785 if (!qeth_is_supported(card,IPA_FULL_VLAN) ||
4786 (card->vlangrp == NULL))
4790 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
4791 if (vg->vlan_devices[i] == NULL ||
4792 !(vg->vlan_devices[i]->flags & IFF_UP))
4794 in_dev = in_dev_get(vg->vlan_devices[i]);
4797 read_lock(&in_dev->lock);
4798 qeth_add_mc(card,in_dev);
4799 read_unlock(&in_dev->lock);
4806 qeth_add_multicast_ipv4(struct qeth_card *card)
4808 struct in_device *in4_dev;
4810 QETH_DBF_TEXT(trace,4,"chkmcv4");
4811 in4_dev = in_dev_get(card->dev);
4812 if (in4_dev == NULL)
4814 read_lock(&in4_dev->lock);
4815 qeth_add_mc(card, in4_dev);
4816 qeth_add_vlan_mc(card);
4817 read_unlock(&in4_dev->lock);
4818 in_dev_put(in4_dev);
4821 #ifdef CONFIG_QETH_IPV6
4823 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
4825 struct qeth_ipaddr *ipm;
4826 struct ifmcaddr6 *im6;
4827 char buf[MAX_ADDR_LEN];
4829 QETH_DBF_TEXT(trace,4,"addmc6");
4830 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
4831 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
4832 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
4835 ipm->is_multicast = 1;
4836 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
4837 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
4838 sizeof(struct in6_addr));
4839 if (!qeth_add_ip(card,ipm))
4845 qeth_add_vlan_mc6(struct qeth_card *card)
4847 #ifdef CONFIG_QETH_VLAN
4848 struct inet6_dev *in_dev;
4849 struct vlan_group *vg;
4852 QETH_DBF_TEXT(trace,4,"admc6vl");
4853 if (!qeth_is_supported(card,IPA_FULL_VLAN) ||
4854 (card->vlangrp == NULL))
4858 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
4859 if (vg->vlan_devices[i] == NULL ||
4860 !(vg->vlan_devices[i]->flags & IFF_UP))
4862 in_dev = in6_dev_get(vg->vlan_devices[i]);
4865 read_lock(&in_dev->lock);
4866 qeth_add_mc6(card,in_dev);
4867 read_unlock(&in_dev->lock);
4868 in6_dev_put(in_dev);
4870 #endif /* CONFIG_QETH_VLAN */
4874 qeth_add_multicast_ipv6(struct qeth_card *card)
4876 struct inet6_dev *in6_dev;
4878 QETH_DBF_TEXT(trace,4,"chkmcv6");
4879 if (!qeth_is_supported(card, IPA_IPV6))
4882 in6_dev = in6_dev_get(card->dev);
4883 if (in6_dev == NULL)
4885 read_lock(&in6_dev->lock);
4886 qeth_add_mc6(card, in6_dev);
4887 qeth_add_vlan_mc6(card);
4888 read_unlock(&in6_dev->lock);
4889 in6_dev_put(in6_dev);
4891 #endif /* CONFIG_QETH_IPV6 */
4894 * set multicast address on card
4897 qeth_set_multicast_list(struct net_device *dev)
4899 struct qeth_card *card;
4901 QETH_DBF_TEXT(trace,3,"setmulti");
4902 card = (struct qeth_card *) dev->priv;
4904 qeth_set_thread_start_bit(card, QETH_SET_MC_THREAD);
4905 schedule_work(&card->kernel_thread_starter);
4909 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
4910 __u8 command, enum qeth_prot_versions prot)
4912 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
4913 cmd->hdr.command = command;
4914 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
4915 cmd->hdr.seqno = card->seqno.ipa;
4916 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
4917 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
4918 cmd->hdr.prim_version_no = 1;
4919 cmd->hdr.param_count = 1;
4920 cmd->hdr.prot_version = prot;
4921 cmd->hdr.ipa_supported = 0;
4922 cmd->hdr.ipa_enabled = 0;
4925 static struct qeth_cmd_buffer *
4926 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
4927 enum qeth_prot_versions prot)
4929 struct qeth_cmd_buffer *iob;
4930 struct qeth_ipa_cmd *cmd;
4932 iob = qeth_wait_for_buffer(&card->write);
4933 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4934 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
4940 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
4943 struct qeth_cmd_buffer *iob;
4944 struct qeth_ipa_cmd *cmd;
4946 QETH_DBF_TEXT(trace,4,"setdelmc");
4948 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
4949 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4950 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
4951 if (addr->proto == QETH_PROT_IPV6)
4952 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
4953 sizeof(struct in6_addr));
4955 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
4957 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
4962 qeth_fill_netmask(u8 *netmask, unsigned int len)
4965 for (i=0;i<16;i++) {
4970 netmask[i] = (u8)(0xFF00>>j);
4977 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
4978 int ipacmd, unsigned int flags)
4981 struct qeth_cmd_buffer *iob;
4982 struct qeth_ipa_cmd *cmd;
4985 QETH_DBF_TEXT(trace,4,"setdelip");
4986 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
4988 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
4989 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4990 if (addr->proto == QETH_PROT_IPV6) {
4991 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
4992 sizeof(struct in6_addr));
4993 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
4994 memcpy(cmd->data.setdelip6.mask, netmask,
4995 sizeof(struct in6_addr));
4996 cmd->data.setdelip6.flags = flags;
4998 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
4999 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
5000 cmd->data.setdelip4.flags = flags;
5003 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5009 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
5015 if (addr->proto == QETH_PROT_IPV4) {
5016 QETH_DBF_TEXT(trace, 2,"setaddr4");
5017 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
5018 } else if (addr->proto == QETH_PROT_IPV6) {
5019 QETH_DBF_TEXT(trace, 2, "setaddr6");
5020 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
5021 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
5023 QETH_DBF_TEXT(trace, 2, "setaddr?");
5024 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
5027 if (addr->is_multicast)
5028 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
5030 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
5033 QETH_DBF_TEXT(trace, 2, "failed");
5034 } while ((--cnt > 0) && rc);
5036 QETH_DBF_TEXT(trace, 2, "FAILED");
5037 /* TODO: re-activate this warning as soon as we have a
5039 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
5040 PRINT_WARN("Could not register IP address %s (rc=%x)\n",
5048 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
5053 if (addr->proto == QETH_PROT_IPV4) {
5054 QETH_DBF_TEXT(trace, 2,"deladdr4");
5055 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
5056 } else if (addr->proto == QETH_PROT_IPV6) {
5057 QETH_DBF_TEXT(trace, 2, "deladdr6");
5058 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
5059 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
5061 QETH_DBF_TEXT(trace, 2, "deladdr?");
5062 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
5064 if (addr->is_multicast)
5065 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
5067 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
5070 QETH_DBF_TEXT(trace, 2, "failed");
5071 /* TODO: re-activate this warning as soon as we have a
5073 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
5074 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
5082 qeth_netdev_init(struct net_device *dev)
5084 struct qeth_card *card;
5086 card = (struct qeth_card *) dev->priv;
5088 QETH_DBF_TEXT(trace,3,"initdev");
5090 dev->tx_timeout = &qeth_tx_timeout;
5091 dev->watchdog_timeo = QETH_TX_TIMEOUT;
5092 dev->open = qeth_open;
5093 dev->stop = qeth_stop;
5094 dev->hard_start_xmit = qeth_hard_start_xmit;
5095 dev->do_ioctl = qeth_do_ioctl;
5096 dev->get_stats = qeth_get_stats;
5097 dev->change_mtu = qeth_change_mtu;
5098 dev->neigh_setup = qeth_neigh_setup;
5099 dev->set_multicast_list = qeth_set_multicast_list;
5100 #ifdef CONFIG_QETH_VLAN
5101 dev->vlan_rx_register = qeth_vlan_rx_register;
5102 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
5104 if (qeth_get_netdev_flags(card->info.type) & IFF_NOARP) {
5105 dev->rebuild_header = NULL;
5106 dev->hard_header = NULL;
5107 dev->header_cache_update = NULL;
5108 dev->hard_header_cache = NULL;
5110 #ifdef CONFIG_QETH_IPV6
5111 /*IPv6 address autoconfiguration stuff*/
5112 card->dev->dev_id = card->info.unique_id & 0xffff;
5113 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
5114 card->dev->generate_eui64 = qeth_ipv6_generate_eui64;
5118 dev->hard_header_parse = NULL;
5119 dev->set_mac_address = NULL;
5120 dev->flags |= qeth_get_netdev_flags(card->info.type);
5121 if ((card->options.fake_broadcast) ||
5122 (card->info.broadcast_capable))
5123 dev->flags |= IFF_BROADCAST;
5125 dev->hard_header_len =
5126 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
5127 dev->addr_len = OSA_ADDR_LEN;
5128 dev->mtu = card->info.initial_mtu;
5130 SET_MODULE_OWNER(dev);
5135 qeth_init_func_level(struct qeth_card *card)
5137 if (card->ipato.enabled) {
5138 if (card->info.type == QETH_CARD_TYPE_IQD)
5139 card->info.func_level =
5140 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
5142 card->info.func_level =
5143 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
5145 if (card->info.type == QETH_CARD_TYPE_IQD)
5146 card->info.func_level =
5147 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
5149 card->info.func_level =
5150 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
5155 * hardsetup card, initialize MPC and QDIO stuff
5158 qeth_hardsetup_card(struct qeth_card *card)
5163 QETH_DBF_TEXT(setup, 2, "hrdsetup");
5167 PRINT_WARN("Retrying to do IDX activates.\n");
5168 ccw_device_set_offline(CARD_DDEV(card));
5169 ccw_device_set_offline(CARD_WDEV(card));
5170 ccw_device_set_offline(CARD_RDEV(card));
5171 ccw_device_set_online(CARD_RDEV(card));
5172 ccw_device_set_online(CARD_WDEV(card));
5173 ccw_device_set_online(CARD_DDEV(card));
5175 rc = qeth_qdio_clear_card(card,card->info.type==QETH_CARD_TYPE_OSAE);
5176 if (rc == -ERESTARTSYS) {
5177 QETH_DBF_TEXT(setup, 2, "break1");
5180 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
5186 if ((rc = qeth_get_unitaddr(card))){
5187 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
5190 qeth_init_tokens(card);
5191 qeth_init_func_level(card);
5192 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
5193 if (rc == -ERESTARTSYS) {
5194 QETH_DBF_TEXT(setup, 2, "break2");
5197 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
5203 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
5204 if (rc == -ERESTARTSYS) {
5205 QETH_DBF_TEXT(setup, 2, "break3");
5208 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
5214 if ((rc = qeth_mpc_initialize(card))){
5215 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
5218 /* at first set_online allocate netdev */
5220 card->dev = qeth_get_netdevice(card->info.type,
5221 card->info.link_type);
5223 qeth_qdio_clear_card(card, card->info.type ==
5224 QETH_CARD_TYPE_OSAE);
5226 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
5229 card->dev->priv = card;
5230 card->dev->type = qeth_get_arphdr_type(card->info.type,
5231 card->info.link_type);
5232 card->dev->init = qeth_netdev_init;
5236 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
5241 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
5244 struct qeth_ipa_cmd *cmd;
5246 QETH_DBF_TEXT(trace,4,"defadpcb");
5248 cmd = (struct qeth_ipa_cmd *) data;
5249 if (cmd->hdr.return_code == 0){
5250 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
5251 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
5252 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
5253 #ifdef CONFIG_QETH_IPV6
5254 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
5255 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
5258 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
5259 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
5260 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
5261 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
5267 qeth_default_setadapterparms_cb(struct qeth_card *card,
5268 struct qeth_reply *reply,
5271 struct qeth_ipa_cmd *cmd;
5273 QETH_DBF_TEXT(trace,4,"defadpcb");
5275 cmd = (struct qeth_ipa_cmd *) data;
5276 if (cmd->hdr.return_code == 0)
5277 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
5282 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
5285 struct qeth_ipa_cmd *cmd;
5287 QETH_DBF_TEXT(trace,3,"quyadpcb");
5289 cmd = (struct qeth_ipa_cmd *) data;
5290 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
5291 card->info.link_type =
5292 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
5293 card->options.adp.supported_funcs =
5294 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
5295 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5299 qeth_query_setadapterparms(struct qeth_card *card)
5302 struct qeth_cmd_buffer *iob;
5304 QETH_DBF_TEXT(trace,3,"queryadp");
5305 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
5306 sizeof(struct qeth_ipacmd_setadpparms));
5307 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
5312 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
5313 struct qeth_reply *reply,
5316 struct qeth_ipa_cmd *cmd;
5318 QETH_DBF_TEXT(trace,4,"chgmaccb");
5320 cmd = (struct qeth_ipa_cmd *) data;
5321 memcpy(card->dev->dev_addr,
5322 &cmd->data.setadapterparms.data.change_addr.addr,OSA_ADDR_LEN);
5323 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
5328 qeth_setadpparms_change_macaddr(struct qeth_card *card)
5331 struct qeth_cmd_buffer *iob;
5332 struct qeth_ipa_cmd *cmd;
5334 QETH_DBF_TEXT(trace,4,"chgmac");
5336 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
5337 sizeof(struct qeth_ipacmd_setadpparms));
5338 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5339 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
5340 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
5341 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
5342 card->dev->dev_addr, OSA_ADDR_LEN);
5343 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
5349 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
5352 struct qeth_cmd_buffer *iob;
5353 struct qeth_ipa_cmd *cmd;
5355 QETH_DBF_TEXT(trace,4,"adpmode");
5357 iob = qeth_get_adapter_cmd(card, command,
5358 sizeof(struct qeth_ipacmd_setadpparms));
5359 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5360 cmd->data.setadapterparms.data.mode = mode;
5361 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
5367 qeth_setadapter_hstr(struct qeth_card *card)
5371 QETH_DBF_TEXT(trace,4,"adphstr");
5373 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
5374 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
5375 card->options.broadcast_mode);
5377 PRINT_WARN("couldn't set broadcast mode on "
5379 CARD_BUS_ID(card), rc);
5380 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
5381 card->options.macaddr_mode);
5383 PRINT_WARN("couldn't set macaddr mode on "
5384 "device %s: x%x\n", CARD_BUS_ID(card), rc);
5387 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
5388 PRINT_WARN("set adapter parameters not available "
5389 "to set broadcast mode, using ALLRINGS "
5390 "on device %s:\n", CARD_BUS_ID(card));
5391 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
5392 PRINT_WARN("set adapter parameters not available "
5393 "to set macaddr mode, using NONCANONICAL "
5394 "on device %s:\n", CARD_BUS_ID(card));
5399 qeth_setadapter_parms(struct qeth_card *card)
5403 QETH_DBF_TEXT(setup, 2, "setadprm");
5405 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
5406 PRINT_WARN("set adapter parameters not supported "
5409 QETH_DBF_TEXT(setup, 2, " notsupp");
5412 rc = qeth_query_setadapterparms(card);
5414 PRINT_WARN("couldn't set adapter parameters on device %s: "
5415 "x%x\n", CARD_BUS_ID(card), rc);
5418 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
5419 rc = qeth_setadpparms_change_macaddr(card);
5421 PRINT_WARN("couldn't get MAC address on "
5423 CARD_BUS_ID(card), rc);
5426 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
5427 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
5428 rc = qeth_setadapter_hstr(card);
5435 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
5436 enum qeth_prot_versions prot)
5439 struct qeth_cmd_buffer *iob;
5441 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
5442 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5448 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
5452 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
5454 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
5459 qeth_send_stoplan(struct qeth_card *card)
5464 * TODO: according to the IPA format document page 14,
5465 * TCP/IP (we!) never issue a STOPLAN
5468 QETH_DBF_TEXT(trace, 2, "stoplan");
5470 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
5475 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
5478 struct qeth_ipa_cmd *cmd;
5480 QETH_DBF_TEXT(setup, 2, "qipasscb");
5482 cmd = (struct qeth_ipa_cmd *) data;
5483 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
5484 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
5485 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
5487 #ifdef CONFIG_QETH_IPV6
5488 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
5489 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
5496 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
5499 struct qeth_cmd_buffer *iob;
5501 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
5503 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
5504 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
5508 static struct qeth_cmd_buffer *
5509 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
5510 __u16 cmd_code, __u16 len,
5511 enum qeth_prot_versions prot)
5513 struct qeth_cmd_buffer *iob;
5514 struct qeth_ipa_cmd *cmd;
5516 QETH_DBF_TEXT(trace,4,"getasscm");
5517 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
5519 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5520 cmd->data.setassparms.hdr.assist_no = ipa_func;
5521 cmd->data.setassparms.hdr.length = 8 + len;
5522 cmd->data.setassparms.hdr.command_code = cmd_code;
5523 cmd->data.setassparms.hdr.return_code = 0;
5524 cmd->data.setassparms.hdr.seq_no = 0;
5530 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
5531 __u16 len, long data,
5533 (struct qeth_card *,struct qeth_reply *,unsigned long),
5537 struct qeth_ipa_cmd *cmd;
5539 QETH_DBF_TEXT(trace,4,"sendassp");
5541 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5542 if (len <= sizeof(__u32))
5543 cmd->data.setassparms.data.flags_32bit = (__u32) data;
5544 else if (len > sizeof(__u32))
5545 memcpy(&cmd->data.setassparms.data, (void *) data, len);
5547 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
5551 #ifdef CONFIG_QETH_IPV6
5553 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
5554 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
5558 struct qeth_cmd_buffer *iob;
5560 QETH_DBF_TEXT(trace,4,"simassp6");
5561 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
5563 rc = qeth_send_setassparms(card, iob, 0, 0,
5564 qeth_default_setassparms_cb, NULL);
5570 qeth_send_simple_setassparms(struct qeth_card *card,
5571 enum qeth_ipa_funcs ipa_func,
5572 __u16 cmd_code, long data)
5576 struct qeth_cmd_buffer *iob;
5578 QETH_DBF_TEXT(trace,4,"simassp4");
5580 length = sizeof(__u32);
5581 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
5582 length, QETH_PROT_IPV4);
5583 rc = qeth_send_setassparms(card, iob, length, data,
5584 qeth_default_setassparms_cb, NULL);
5589 qeth_start_ipa_arp_processing(struct qeth_card *card)
5593 QETH_DBF_TEXT(trace,3,"ipaarp");
5595 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5596 PRINT_WARN("ARP processing not supported "
5597 "on %s!\n", card->info.if_name);
5600 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
5601 IPA_CMD_ASS_START, 0);
5603 PRINT_WARN("Could not start ARP processing "
5604 "assist on %s: 0x%x\n",
5605 card->info.if_name, rc);
5611 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
5615 QETH_DBF_TEXT(trace,3,"ipaipfrg");
5617 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
5618 PRINT_INFO("IP fragmentation not supported on %s\n",
5619 card->info.if_name);
5623 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
5624 IPA_CMD_ASS_START, 0);
5626 PRINT_WARN("Could not start IP fragmentation "
5627 "assist on %s: 0x%x\n",
5628 card->info.if_name, rc);
5630 PRINT_INFO("IP fragmentation enabled \n");
5635 qeth_start_ipa_source_mac(struct qeth_card *card)
5639 QETH_DBF_TEXT(trace,3,"stsrcmac");
5641 if (!card->options.fake_ll)
5644 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
5645 PRINT_INFO("Inbound source address not "
5646 "supported on %s\n", card->info.if_name);
5650 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
5651 IPA_CMD_ASS_START, 0);
5653 PRINT_WARN("Could not start inbound source "
5654 "assist on %s: 0x%x\n",
5655 card->info.if_name, rc);
5660 qeth_start_ipa_vlan(struct qeth_card *card)
5664 QETH_DBF_TEXT(trace,3,"strtvlan");
5666 #ifdef CONFIG_QETH_VLAN
5667 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
5668 PRINT_WARN("VLAN not supported on %s\n", card->info.if_name);
5672 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
5673 IPA_CMD_ASS_START,0);
5675 PRINT_WARN("Could not start vlan "
5676 "assist on %s: 0x%x\n",
5677 card->info.if_name, rc);
5679 PRINT_INFO("VLAN enabled \n");
5680 card->dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
5682 #endif /* QETH_VLAN */
5687 qeth_start_ipa_multicast(struct qeth_card *card)
5691 QETH_DBF_TEXT(trace,3,"stmcast");
5693 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
5694 PRINT_WARN("Multicast not supported on %s\n",
5695 card->info.if_name);
5699 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
5700 IPA_CMD_ASS_START,0);
5702 PRINT_WARN("Could not start multicast "
5703 "assist on %s: rc=%i\n",
5704 card->info.if_name, rc);
5706 PRINT_INFO("Multicast enabled\n");
5707 card->dev->flags |= IFF_MULTICAST;
5712 #ifdef CONFIG_QETH_IPV6
5714 qeth_softsetup_ipv6(struct qeth_card *card)
5718 QETH_DBF_TEXT(trace,3,"softipv6");
5720 netif_stop_queue(card->dev);
5721 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
5723 PRINT_ERR("IPv6 startlan failed on %s\n",
5724 card->info.if_name);
5727 netif_wake_queue(card->dev);
5728 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
5730 PRINT_ERR("IPv6 query ipassist failed on %s\n",
5731 card->info.if_name);
5734 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
5735 IPA_CMD_ASS_START, 3);
5737 PRINT_WARN("IPv6 start assist (version 4) failed "
5739 card->info.if_name, rc);
5742 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
5745 PRINT_WARN("IPV6 start assist (version 6) failed "
5747 card->info.if_name, rc);
5750 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
5753 PRINT_WARN("Could not enable passthrough "
5755 card->info.if_name, rc);
5758 PRINT_INFO("IPV6 enabled \n");
5765 qeth_start_ipa_ipv6(struct qeth_card *card)
5768 #ifdef CONFIG_QETH_IPV6
5769 QETH_DBF_TEXT(trace,3,"strtipv6");
5771 if (!qeth_is_supported(card, IPA_IPV6)) {
5772 PRINT_WARN("IPv6 not supported on %s\n",
5773 card->info.if_name);
5776 rc = qeth_softsetup_ipv6(card);
5782 qeth_start_ipa_broadcast(struct qeth_card *card)
5786 QETH_DBF_TEXT(trace,3,"stbrdcst");
5787 card->info.broadcast_capable = 0;
5788 if (!qeth_is_supported(card, IPA_FILTERING)) {
5789 PRINT_WARN("Broadcast not supported on %s\n",
5790 card->info.if_name);
5794 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
5795 IPA_CMD_ASS_START, 0);
5797 PRINT_WARN("Could not enable broadcasting filtering "
5799 card->info.if_name, rc);
5803 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
5804 IPA_CMD_ASS_CONFIGURE, 1);
5806 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
5807 card->info.if_name, rc);
5810 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
5811 PRINT_INFO("Broadcast enabled \n");
5812 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
5813 IPA_CMD_ASS_ENABLE, 1);
5815 PRINT_WARN("Could not set up broadcast echo filtering on "
5816 "%s: 0x%x\n", card->info.if_name, rc);
5819 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
5821 if (card->info.broadcast_capable)
5822 card->dev->flags |= IFF_BROADCAST;
5824 card->dev->flags &= ~IFF_BROADCAST;
5829 qeth_send_checksum_command(struct qeth_card *card)
5833 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
5834 IPA_CMD_ASS_START, 0);
5836 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
5837 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
5838 card->info.if_name, rc);
5841 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
5843 card->info.csum_mask);
5845 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
5846 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
5847 card->info.if_name, rc);
5854 qeth_start_ipa_checksum(struct qeth_card *card)
5858 QETH_DBF_TEXT(trace,3,"strtcsum");
5860 if (card->options.checksum_type == NO_CHECKSUMMING) {
5861 PRINT_WARN("Using no checksumming on %s.\n",
5862 card->info.if_name);
5865 if (card->options.checksum_type == SW_CHECKSUMMING) {
5866 PRINT_WARN("Using SW checksumming on %s.\n",
5867 card->info.if_name);
5870 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
5871 PRINT_WARN("Inbound HW Checksumming not "
5872 "supported on %s,\ncontinuing "
5873 "using Inbound SW Checksumming\n",
5874 card->info.if_name);
5875 card->options.checksum_type = SW_CHECKSUMMING;
5878 rc = qeth_send_checksum_command(card);
5880 PRINT_INFO("HW Checksumming (inbound) enabled \n");
5887 qeth_print_ipassist_status(struct qeth_card *card)
5892 offset += sprintf(buf, "IPAssist options of %s: ", card->info.if_name);
5893 if (qeth_is_enabled(card, IPA_ARP_PROCESSING))
5894 offset += sprintf(buf+offset, "ARP ");
5895 if (qeth_is_enabled(card, IPA_IP_FRAGMENTATION))
5896 offset += sprintf(buf+offset, "IP_FRAG");
5897 if (qeth_is_enabled(card, IPA_SOURCE_MAC))
5898 offset += sprintf(buf+offset, "SRC_MAC");
5899 if (qeth_is_enabled(card, IPA_FULL_VLAN))
5900 offset += sprintf(buf+offset, "VLAN");
5901 if (qeth_is_enabled(card, IPA_VLAN_PRIO))
5902 offset += sprintf(buf+offset, "VLAN_PRIO");
5907 qeth_start_ipassists(struct qeth_card *card)
5909 QETH_DBF_TEXT(trace,3,"strtipas");
5910 qeth_start_ipa_arp_processing(card); /* go on*/
5911 qeth_start_ipa_ip_fragmentation(card); /* go on*/
5912 qeth_start_ipa_source_mac(card); /* go on*/
5913 qeth_start_ipa_vlan(card); /* go on*/
5914 qeth_start_ipa_multicast(card); /* go on*/
5915 qeth_start_ipa_ipv6(card); /* go on*/
5916 qeth_start_ipa_broadcast(card); /* go on*/
5917 qeth_start_ipa_checksum(card); /* go on*/
5922 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
5923 enum qeth_prot_versions prot)
5926 struct qeth_ipa_cmd *cmd;
5927 struct qeth_cmd_buffer *iob;
5929 QETH_DBF_TEXT(trace,4,"setroutg");
5930 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
5931 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5932 cmd->data.setrtg.type = (type);
5933 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5940 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
5941 enum qeth_prot_versions prot)
5943 if (card->info.type == QETH_CARD_TYPE_IQD) {
5946 case PRIMARY_CONNECTOR:
5947 case SECONDARY_CONNECTOR:
5948 case MULTICAST_ROUTER:
5956 case PRIMARY_ROUTER:
5957 case SECONDARY_ROUTER:
5959 case MULTICAST_ROUTER:
5960 if (qeth_is_ipafunc_supported(card, prot,
5968 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
5969 "Router status set to 'no router'.\n",
5970 ((*type == PRIMARY_ROUTER)? "primary router" :
5971 (*type == SECONDARY_ROUTER)? "secondary router" :
5972 (*type == PRIMARY_CONNECTOR)? "primary connector" :
5973 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
5974 (*type == MULTICAST_ROUTER)? "multicast router" :
5981 qeth_setrouting_v4(struct qeth_card *card)
5985 QETH_DBF_TEXT(trace,3,"setrtg4");
5987 qeth_correct_routing_type(card, &card->options.route4.type,
5990 rc = qeth_send_setrouting(card, card->options.route4.type,
5993 card->options.route4.type = NO_ROUTER;
5994 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
5995 "Type set to 'no router'.\n",
5996 rc, card->info.if_name);
6002 qeth_setrouting_v6(struct qeth_card *card)
6006 QETH_DBF_TEXT(trace,3,"setrtg6");
6007 #ifdef CONFIG_QETH_IPV6
6009 qeth_correct_routing_type(card, &card->options.route6.type,
6012 if ((card->options.route6.type == NO_ROUTER) ||
6013 ((card->info.type == QETH_CARD_TYPE_OSAE) &&
6014 (card->options.route6.type == MULTICAST_ROUTER) &&
6015 !qeth_is_supported6(card,IPA_OSA_MC_ROUTER)))
6017 rc = qeth_send_setrouting(card, card->options.route6.type,
6020 card->options.route6.type = NO_ROUTER;
6021 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
6022 "Type set to 'no router'.\n",
6023 rc, card->info.if_name);
6030 * softsetup card: init IPA stuff
6033 qeth_softsetup_card(struct qeth_card *card)
6037 QETH_DBF_TEXT(setup, 2, "softsetp");
6039 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
6040 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6042 PRINT_WARN("LAN on card %s if offline! "
6043 "Continuing softsetup.\n",
6045 card->lan_online = 0;
6049 card->lan_online = 1;
6050 if ((rc = qeth_setadapter_parms(card)))
6051 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6052 if ((rc = qeth_start_ipassists(card)))
6053 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6054 if ((rc = qeth_setrouting_v4(card)))
6055 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6056 if ((rc = qeth_setrouting_v6(card)))
6057 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6058 netif_stop_queue(card->dev);
6062 #ifdef CONFIG_QETH_IPV6
6064 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
6067 struct qeth_ipa_cmd *cmd;
6069 cmd = (struct qeth_ipa_cmd *) data;
6070 if (cmd->hdr.return_code == 0)
6071 card->info.unique_id = *((__u16 *)
6072 &cmd->data.create_destroy_addr.unique_id[6]);
6074 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6075 UNIQUE_ID_NOT_BY_CARD;
6076 PRINT_WARN("couldn't get a unique id from the card on device "
6077 "%s (result=x%x), using default id. ipv6 "
6078 "autoconfig on other lpars may lead to duplicate "
6079 "ip addresses. please use manually "
6080 "configured ones.\n",
6081 CARD_BUS_ID(card), cmd->hdr.return_code);
6088 qeth_put_unique_id(struct qeth_card *card)
6092 #ifdef CONFIG_QETH_IPV6
6093 struct qeth_cmd_buffer *iob;
6094 struct qeth_ipa_cmd *cmd;
6096 QETH_DBF_TEXT(trace,2,"puniqeid");
6098 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
6099 UNIQUE_ID_NOT_BY_CARD)
6101 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
6103 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6104 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
6105 card->info.unique_id;
6106 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
6107 card->dev->dev_addr, OSA_ADDR_LEN);
6108 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6110 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6111 UNIQUE_ID_NOT_BY_CARD;
6120 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
6122 struct qeth_ipaddr *addr, *tmp;
6123 unsigned long flags;
6125 QETH_DBF_TEXT(trace,4,"clearip");
6126 spin_lock_irqsave(&card->ip_lock, flags);
6127 /* clear todo list */
6128 list_for_each_entry_safe(addr, tmp, &card->ip_tbd_list, entry){
6129 list_del(&addr->entry);
6133 while (!list_empty(&card->ip_list)) {
6134 addr = list_entry(card->ip_list.next,
6135 struct qeth_ipaddr, entry);
6136 list_del_init(&addr->entry);
6138 spin_unlock_irqrestore(&card->ip_lock, flags);
6139 qeth_deregister_addr_entry(card, addr);
6140 spin_lock_irqsave(&card->ip_lock, flags);
6142 if (!recover || addr->is_multicast) {
6146 list_add_tail(&addr->entry, &card->ip_tbd_list);
6148 spin_unlock_irqrestore(&card->ip_lock, flags);
6152 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
6153 int clear_start_mask)
6155 unsigned long flags;
6157 spin_lock_irqsave(&card->thread_mask_lock, flags);
6158 card->thread_allowed_mask = threads;
6159 if (clear_start_mask)
6160 card->thread_start_mask &= threads;
6161 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
6162 wake_up(&card->wait_q);
6166 qeth_threads_running(struct qeth_card *card, unsigned long threads)
6168 unsigned long flags;
6171 spin_lock_irqsave(&card->thread_mask_lock, flags);
6172 rc = (card->thread_running_mask & threads);
6173 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
6178 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
6180 return wait_event_interruptible(card->wait_q,
6181 qeth_threads_running(card, threads) == 0);
6185 qeth_stop_card(struct qeth_card *card)
6187 int recover_flag = 0;
6190 QETH_DBF_TEXT(setup ,2,"stopcard");
6191 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
6193 qeth_set_allowed_threads(card, 0, 1);
6194 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
6195 return -ERESTARTSYS;
6196 if (card->read.state == CH_STATE_UP &&
6197 card->write.state == CH_STATE_UP &&
6198 (card->state == CARD_STATE_UP)) {
6201 dev_close(card->dev);
6203 if (!card->use_hard_stop)
6204 if ((rc = qeth_send_stoplan(card)))
6205 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6206 card->state = CARD_STATE_SOFTSETUP;
6208 if (card->state == CARD_STATE_SOFTSETUP) {
6209 qeth_clear_ip_list(card, !card->use_hard_stop, recover_flag);
6210 qeth_clear_ipacmd_list(card);
6211 card->state = CARD_STATE_HARDSETUP;
6213 if (card->state == CARD_STATE_HARDSETUP) {
6214 if (!card->use_hard_stop)
6215 if ((rc = qeth_put_unique_id(card)))
6216 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6217 qeth_qdio_clear_card(card, 0);
6218 qeth_clear_qdio_buffers(card);
6219 qeth_clear_working_pool_list(card);
6220 card->state = CARD_STATE_DOWN;
6222 if (card->state == CARD_STATE_DOWN) {
6223 qeth_clear_cmd_buffers(&card->read);
6224 qeth_clear_cmd_buffers(&card->write);
6226 card->use_hard_stop = 0;
6232 qeth_get_unique_id(struct qeth_card *card)
6235 #ifdef CONFIG_QETH_IPV6
6236 struct qeth_cmd_buffer *iob;
6237 struct qeth_ipa_cmd *cmd;
6239 QETH_DBF_TEXT(setup, 2, "guniqeid");
6241 if (!qeth_is_supported(card,IPA_IPV6)) {
6242 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6243 UNIQUE_ID_NOT_BY_CARD;
6247 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
6249 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6250 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
6251 card->info.unique_id;
6253 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
6255 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
6256 UNIQUE_ID_NOT_BY_CARD;
6261 qeth_print_status_with_portname(struct qeth_card *card)
6266 sprintf(dbf_text, "%s", card->info.portname + 1);
6267 for (i = 0; i < 8; i++)
6269 (char) _ebcasc[(__u8) dbf_text[i]];
6271 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
6272 "with link type %s (portname: %s)\n",
6276 qeth_get_cardname(card),
6277 (card->info.mcl_level[0]) ? " (level: " : "",
6278 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
6279 (card->info.mcl_level[0]) ? ")" : "",
6280 qeth_get_cardname_short(card),
6286 qeth_print_status_no_portname(struct qeth_card *card)
6288 if (card->info.portname[0])
6289 printk("qeth: Device %s/%s/%s is a%s "
6290 "card%s%s%s\nwith link type %s "
6291 "(no portname needed by interface).\n",
6295 qeth_get_cardname(card),
6296 (card->info.mcl_level[0]) ? " (level: " : "",
6297 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
6298 (card->info.mcl_level[0]) ? ")" : "",
6299 qeth_get_cardname_short(card));
6301 printk("qeth: Device %s/%s/%s is a%s "
6302 "card%s%s%s\nwith link type %s.\n",
6306 qeth_get_cardname(card),
6307 (card->info.mcl_level[0]) ? " (level: " : "",
6308 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
6309 (card->info.mcl_level[0]) ? ")" : "",
6310 qeth_get_cardname_short(card));
6314 qeth_print_status_message(struct qeth_card *card)
6316 switch (card->info.type) {
6317 case QETH_CARD_TYPE_OSAE:
6318 /* VM will use a non-zero first character
6319 * to indicate a HiperSockets like reporting
6320 * of the level OSA sets the first character to zero
6322 if (!card->info.mcl_level[0]) {
6323 sprintf(card->info.mcl_level,"%02x%02x",
6324 card->info.mcl_level[2],
6325 card->info.mcl_level[3]);
6327 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
6331 case QETH_CARD_TYPE_IQD:
6332 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
6333 card->info.mcl_level[0]];
6334 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
6335 card->info.mcl_level[1]];
6336 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
6337 card->info.mcl_level[2]];
6338 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
6339 card->info.mcl_level[3]];
6340 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
6343 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
6345 if (card->info.portname_required)
6346 qeth_print_status_with_portname(card);
6348 qeth_print_status_no_portname(card);
6352 qeth_register_netdev(struct qeth_card *card)
6356 QETH_DBF_TEXT(setup, 3, "regnetd");
6357 if (card->dev->reg_state != NETREG_UNINITIALIZED)
6360 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
6361 rc = register_netdev(card->dev);
6363 strcpy(card->info.if_name, card->dev->name);
6369 qeth_start_again(struct qeth_card *card)
6371 QETH_DBF_TEXT(setup ,2, "startag");
6374 dev_open(card->dev);
6376 qeth_set_thread_start_bit(card, QETH_SET_MC_THREAD);
6377 schedule_work(&card->kernel_thread_starter);
6381 qeth_set_online(struct ccwgroup_device *gdev)
6383 struct qeth_card *card = gdev->dev.driver_data;
6385 enum qeth_card_states recover_flag;
6388 QETH_DBF_TEXT(setup ,2, "setonlin");
6389 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
6391 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
6392 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
6393 PRINT_WARN("set_online of card %s interrupted by user!\n",
6395 return -ERESTARTSYS;
6398 recover_flag = card->state;
6399 if (ccw_device_set_online(CARD_RDEV(card)) ||
6400 ccw_device_set_online(CARD_WDEV(card)) ||
6401 ccw_device_set_online(CARD_DDEV(card))){
6402 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6406 if ((rc = qeth_hardsetup_card(card))){
6407 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6410 card->state = CARD_STATE_HARDSETUP;
6412 if ((rc = qeth_query_ipassists(card,QETH_PROT_IPV4))){
6413 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6416 rc = qeth_get_unique_id(card);
6419 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6422 qeth_print_status_message(card);
6423 if ((rc = qeth_register_netdev(card))){
6424 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6427 if ((rc = qeth_softsetup_card(card))){
6428 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6431 card->state = CARD_STATE_SOFTSETUP;
6433 if ((rc = qeth_init_qdio_queues(card))){
6434 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
6437 /*maybe it was set offline without ifconfig down
6438 * we can also use this state for recovery purposes*/
6439 qeth_set_allowed_threads(card, 0xffffffff, 0);
6440 if (recover_flag == CARD_STATE_RECOVER)
6441 qeth_start_again(card);
6442 qeth_notify_processes();
6445 card->use_hard_stop = 1;
6446 qeth_stop_card(card);
6447 ccw_device_set_offline(CARD_DDEV(card));
6448 ccw_device_set_offline(CARD_WDEV(card));
6449 ccw_device_set_offline(CARD_RDEV(card));
6450 if (recover_flag == CARD_STATE_RECOVER)
6451 card->state = CARD_STATE_RECOVER;
6453 card->state = CARD_STATE_DOWN;
6457 static struct ccw_device_id qeth_ids[] = {
6458 {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
6459 {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
6462 MODULE_DEVICE_TABLE(ccw, qeth_ids);
6464 struct device *qeth_root_dev = NULL;
6466 struct ccwgroup_driver qeth_ccwgroup_driver = {
6467 .owner = THIS_MODULE,
6469 .driver_id = 0xD8C5E3C8,
6470 .probe = qeth_probe_device,
6471 .remove = qeth_remove_device,
6472 .set_online = qeth_set_online,
6473 .set_offline = qeth_set_offline,
6476 struct ccw_driver qeth_ccw_driver = {
6479 .probe = ccwgroup_probe_ccwdev,
6480 .remove = ccwgroup_remove_ccwdev,
6485 qeth_unregister_dbf_views(void)
6488 debug_unregister(qeth_dbf_setup);
6490 debug_unregister(qeth_dbf_qerr);
6492 debug_unregister(qeth_dbf_sense);
6494 debug_unregister(qeth_dbf_misc);
6496 debug_unregister(qeth_dbf_data);
6497 if (qeth_dbf_control)
6498 debug_unregister(qeth_dbf_control);
6500 debug_unregister(qeth_dbf_trace);
6503 qeth_register_dbf_views(void)
6505 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
6506 QETH_DBF_SETUP_INDEX,
6507 QETH_DBF_SETUP_NR_AREAS,
6508 QETH_DBF_SETUP_LEN);
6509 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
6510 QETH_DBF_MISC_INDEX,
6511 QETH_DBF_MISC_NR_AREAS,
6513 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
6514 QETH_DBF_DATA_INDEX,
6515 QETH_DBF_DATA_NR_AREAS,
6517 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
6518 QETH_DBF_CONTROL_INDEX,
6519 QETH_DBF_CONTROL_NR_AREAS,
6520 QETH_DBF_CONTROL_LEN);
6521 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
6522 QETH_DBF_SENSE_INDEX,
6523 QETH_DBF_SENSE_NR_AREAS,
6524 QETH_DBF_SENSE_LEN);
6525 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
6526 QETH_DBF_QERR_INDEX,
6527 QETH_DBF_QERR_NR_AREAS,
6529 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
6530 QETH_DBF_TRACE_INDEX,
6531 QETH_DBF_TRACE_NR_AREAS,
6532 QETH_DBF_TRACE_LEN);
6534 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
6535 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
6536 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
6537 (qeth_dbf_trace == NULL)) {
6538 qeth_unregister_dbf_views();
6541 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
6542 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
6544 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
6545 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
6547 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
6548 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
6550 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
6551 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
6553 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
6554 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
6556 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
6557 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
6559 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
6560 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
6565 #ifdef CONFIG_QETH_IPV6
6566 extern struct neigh_table arp_tbl;
6567 static struct neigh_ops *arp_direct_ops;
6568 static int (*qeth_old_arp_constructor) (struct neighbour *);
6570 static struct neigh_ops arp_direct_ops_template = {
6574 .error_report = NULL,
6575 .output = dev_queue_xmit,
6576 .connected_output = dev_queue_xmit,
6577 .hh_output = dev_queue_xmit,
6578 .queue_xmit = dev_queue_xmit
6582 qeth_arp_constructor(struct neighbour *neigh)
6584 struct net_device *dev = neigh->dev;
6585 struct in_device *in_dev = in_dev_get(dev);
6589 if (!qeth_verify_dev(dev)) {
6591 return qeth_old_arp_constructor(neigh);
6594 neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
6595 if (in_dev->arp_parms)
6596 neigh->parms = in_dev->arp_parms;
6598 neigh->nud_state = NUD_NOARP;
6599 neigh->ops = arp_direct_ops;
6600 neigh->output = neigh->ops->queue_xmit;
6603 #endif /*CONFIG_QETH_IPV6*/
6606 * IP address takeover related functions
6609 qeth_clear_ipato_list(struct qeth_card *card)
6611 struct qeth_ipato_entry *ipatoe, *tmp;
6612 unsigned long flags;
6614 spin_lock_irqsave(&card->ip_lock, flags);
6615 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
6616 list_del(&ipatoe->entry);
6619 spin_unlock_irqrestore(&card->ip_lock, flags);
6623 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
6625 struct qeth_ipato_entry *ipatoe;
6626 unsigned long flags;
6629 QETH_DBF_TEXT(trace, 2, "addipato");
6630 spin_lock_irqsave(&card->ip_lock, flags);
6631 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
6632 if (ipatoe->proto != new->proto)
6634 if (!memcmp(ipatoe->addr, new->addr,
6635 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
6636 (ipatoe->mask_bits == new->mask_bits)){
6637 PRINT_WARN("ipato entry already exists!\n");
6643 list_add_tail(&new->entry, &card->ipato.entries);
6645 spin_unlock_irqrestore(&card->ip_lock, flags);
6650 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
6651 u8 *addr, int mask_bits)
6653 struct qeth_ipato_entry *ipatoe, *tmp;
6654 unsigned long flags;
6656 QETH_DBF_TEXT(trace, 2, "delipato");
6657 spin_lock_irqsave(&card->ip_lock, flags);
6658 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
6659 if (ipatoe->proto != proto)
6661 if (!memcmp(ipatoe->addr, addr,
6662 (proto == QETH_PROT_IPV4)? 4:16) &&
6663 (ipatoe->mask_bits == mask_bits)){
6664 list_del(&ipatoe->entry);
6668 spin_unlock_irqrestore(&card->ip_lock, flags);
6672 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
6677 for (i = 0; i < len; ++i){
6679 for (j = 7; j >= 0; --j){
6680 bits[i*8 + j] = octet & 1;
6687 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
6689 struct qeth_ipato_entry *ipatoe;
6690 u8 addr_bits[128] = {0, };
6691 u8 ipatoe_bits[128] = {0, };
6694 if (!card->ipato.enabled)
6697 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
6698 (addr->proto == QETH_PROT_IPV4)? 4:16);
6699 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
6700 if (addr->proto != ipatoe->proto)
6702 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
6703 (ipatoe->proto==QETH_PROT_IPV4) ?
6705 if (addr->proto == QETH_PROT_IPV4)
6706 rc = !memcmp(addr_bits, ipatoe_bits,
6707 min(32, ipatoe->mask_bits));
6709 rc = !memcmp(addr_bits, ipatoe_bits,
6710 min(128, ipatoe->mask_bits));
6715 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
6717 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
6724 * VIPA related functions
6727 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
6730 struct qeth_ipaddr *ipaddr;
6731 unsigned long flags;
6734 ipaddr = qeth_get_addr_buffer(proto);
6736 if (proto == QETH_PROT_IPV4){
6737 QETH_DBF_TEXT(trace, 2, "addvipa4");
6738 memcpy(&ipaddr->u.a4.addr, addr, 4);
6739 ipaddr->u.a4.mask = 0;
6740 #ifdef CONFIG_QETH_IPV6
6741 } else if (proto == QETH_PROT_IPV6){
6742 QETH_DBF_TEXT(trace, 2, "addvipa6");
6743 memcpy(&ipaddr->u.a6.addr, addr, 16);
6744 ipaddr->u.a6.pfxlen = 0;
6747 ipaddr->type = QETH_IP_TYPE_VIPA;
6748 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
6749 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
6752 spin_lock_irqsave(&card->ip_lock, flags);
6753 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
6754 __qeth_address_exists_in_list(&card->ip_tbd_list, ipaddr, 0))
6756 spin_unlock_irqrestore(&card->ip_lock, flags);
6758 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
6761 if (!qeth_add_ip(card, ipaddr))
6763 qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD);
6764 schedule_work(&card->kernel_thread_starter);
6769 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
6772 struct qeth_ipaddr *ipaddr;
6774 ipaddr = qeth_get_addr_buffer(proto);
6776 if (proto == QETH_PROT_IPV4){
6777 QETH_DBF_TEXT(trace, 2, "delvipa4");
6778 memcpy(&ipaddr->u.a4.addr, addr, 4);
6779 ipaddr->u.a4.mask = 0;
6780 #ifdef CONFIG_QETH_IPV6
6781 } else if (proto == QETH_PROT_IPV6){
6782 QETH_DBF_TEXT(trace, 2, "delvipa6");
6783 memcpy(&ipaddr->u.a6.addr, addr, 16);
6784 ipaddr->u.a6.pfxlen = 0;
6787 ipaddr->type = QETH_IP_TYPE_VIPA;
6790 if (!qeth_delete_ip(card, ipaddr))
6792 qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD);
6793 schedule_work(&card->kernel_thread_starter);
6797 * proxy ARP related functions
6800 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
6803 struct qeth_ipaddr *ipaddr;
6804 unsigned long flags;
6807 ipaddr = qeth_get_addr_buffer(proto);
6809 if (proto == QETH_PROT_IPV4){
6810 QETH_DBF_TEXT(trace, 2, "addrxip4");
6811 memcpy(&ipaddr->u.a4.addr, addr, 4);
6812 ipaddr->u.a4.mask = 0;
6813 #ifdef CONFIG_QETH_IPV6
6814 } else if (proto == QETH_PROT_IPV6){
6815 QETH_DBF_TEXT(trace, 2, "addrxip6");
6816 memcpy(&ipaddr->u.a6.addr, addr, 16);
6817 ipaddr->u.a6.pfxlen = 0;
6820 ipaddr->type = QETH_IP_TYPE_RXIP;
6821 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
6822 ipaddr->del_flags = 0;
6825 spin_lock_irqsave(&card->ip_lock, flags);
6826 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
6827 __qeth_address_exists_in_list(&card->ip_tbd_list, ipaddr, 0))
6829 spin_unlock_irqrestore(&card->ip_lock, flags);
6831 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
6834 if (!qeth_add_ip(card, ipaddr))
6836 qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD);
6837 schedule_work(&card->kernel_thread_starter);
6842 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
6845 struct qeth_ipaddr *ipaddr;
6847 ipaddr = qeth_get_addr_buffer(proto);
6849 if (proto == QETH_PROT_IPV4){
6850 QETH_DBF_TEXT(trace, 2, "addrxip4");
6851 memcpy(&ipaddr->u.a4.addr, addr, 4);
6852 ipaddr->u.a4.mask = 0;
6853 #ifdef CONFIG_QETH_IPV6
6854 } else if (proto == QETH_PROT_IPV6){
6855 QETH_DBF_TEXT(trace, 2, "addrxip6");
6856 memcpy(&ipaddr->u.a6.addr, addr, 16);
6857 ipaddr->u.a6.pfxlen = 0;
6860 ipaddr->type = QETH_IP_TYPE_RXIP;
6863 if (!qeth_delete_ip(card, ipaddr))
6865 qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD);
6866 schedule_work(&card->kernel_thread_starter);
6873 qeth_ip_event(struct notifier_block *this,
6874 unsigned long event,void *ptr)
6876 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
6877 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
6878 struct qeth_ipaddr *addr;
6879 struct qeth_card *card;
6881 QETH_DBF_TEXT(trace,3,"ipevent");
6882 card = qeth_get_card_from_dev(dev);
6886 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
6888 addr->u.a4.addr = ifa->ifa_address;
6889 addr->u.a4.mask = ifa->ifa_mask;
6890 addr->type = QETH_IP_TYPE_NORMAL;
6896 if (!qeth_add_ip(card, addr))
6900 if (!qeth_delete_ip(card, addr))
6906 qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD);
6907 schedule_work(&card->kernel_thread_starter);
6912 static struct notifier_block qeth_ip_notifier = {
6917 #ifdef CONFIG_QETH_IPV6
6919 * IPv6 event handler
6922 qeth_ip6_event(struct notifier_block *this,
6923 unsigned long event,void *ptr)
6926 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
6927 struct net_device *dev = (struct net_device *)ifa->idev->dev;
6928 struct qeth_ipaddr *addr;
6929 struct qeth_card *card;
6931 QETH_DBF_TEXT(trace,3,"ip6event");
6933 card = qeth_get_card_from_dev(dev);
6936 if (!qeth_is_supported(card, IPA_IPV6))
6939 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
6941 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
6942 addr->u.a6.pfxlen = ifa->prefix_len;
6943 addr->type = QETH_IP_TYPE_NORMAL;
6949 if (!qeth_add_ip(card, addr))
6953 if (!qeth_delete_ip(card, addr))
6959 qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD);
6960 schedule_work(&card->kernel_thread_starter);
6965 static struct notifier_block qeth_ip6_notifier = {
6972 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
6975 struct device *entry;
6976 struct qeth_card *card;
6978 down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
6979 list_for_each_entry(entry, &qeth_ccwgroup_driver.driver.devices,
6981 card = (struct qeth_card *) entry->driver_data;
6982 qeth_clear_ip_list(card, 0, 0);
6983 qeth_qdio_clear_card(card, 0);
6985 up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
6990 static struct notifier_block qeth_reboot_notifier = {
6996 qeth_register_notifiers(void)
7000 QETH_DBF_TEXT(trace,5,"regnotif");
7001 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
7003 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
7005 #ifdef CONFIG_QETH_IPV6
7006 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
7011 #ifdef CONFIG_QETH_IPV6
7013 unregister_inetaddr_notifier(&qeth_ip_notifier);
7016 unregister_reboot_notifier(&qeth_reboot_notifier);
7021 * unregister all event notifiers
7024 qeth_unregister_notifiers(void)
7027 QETH_DBF_TEXT(trace,5,"unregnot");
7028 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
7029 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
7030 #ifdef CONFIG_QETH_IPV6
7031 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
7032 #endif /* QETH_IPV6 */
7036 #ifdef CONFIG_QETH_IPV6
7038 qeth_ipv6_init(void)
7040 qeth_old_arp_constructor = arp_tbl.constructor;
7041 write_lock(&arp_tbl.lock);
7042 arp_tbl.constructor = qeth_arp_constructor;
7043 write_unlock(&arp_tbl.lock);
7045 arp_direct_ops = (struct neigh_ops*)
7046 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
7047 if (!arp_direct_ops)
7050 memcpy(arp_direct_ops, &arp_direct_ops_template,
7051 sizeof(struct neigh_ops));
7057 qeth_ipv6_uninit(void)
7059 write_lock(&arp_tbl.lock);
7060 arp_tbl.constructor = qeth_old_arp_constructor;
7061 write_unlock(&arp_tbl.lock);
7062 kfree(arp_direct_ops);
7064 #endif /* CONFIG_QETH_IPV6 */
7067 qeth_sysfs_unregister(void)
7069 qeth_remove_driver_attributes();
7070 ccw_driver_unregister(&qeth_ccw_driver);
7071 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
7072 s390_root_dev_unregister(qeth_root_dev);
7075 * register qeth at sysfs
7078 qeth_sysfs_register(void)
7082 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
7085 rc = ccw_driver_register(&qeth_ccw_driver);
7088 rc = qeth_create_driver_attributes();
7091 qeth_root_dev = s390_root_dev_register("qeth");
7092 if (IS_ERR(qeth_root_dev)) {
7093 rc = PTR_ERR(qeth_root_dev);
7108 PRINT_INFO("loading %s (%s/%s/%s/%s/%s/%s/%s %s %s)\n",
7109 version, VERSION_QETH_C, VERSION_QETH_H,
7110 VERSION_QETH_MPC_H, VERSION_QETH_MPC_C,
7111 VERSION_QETH_FS_H, VERSION_QETH_PROC_C,
7112 VERSION_QETH_SYS_C, QETH_VERSION_IPV6,
7115 INIT_LIST_HEAD(&qeth_card_list.list);
7116 INIT_LIST_HEAD(&qeth_notify_list);
7117 spin_lock_init(&qeth_notify_lock);
7118 rwlock_init(&qeth_card_list.rwlock);
7120 if (qeth_register_dbf_views())
7122 if (qeth_sysfs_register())
7125 #ifdef CONFIG_QETH_IPV6
7126 if (qeth_ipv6_init()) {
7127 PRINT_ERR("Out of memory during ipv6 init.\n");
7130 #endif /* QETH_IPV6 */
7131 if (qeth_register_notifiers())
7133 if (qeth_create_procfs_entries())
7139 qeth_unregister_notifiers();
7141 #ifdef CONFIG_QETH_IPV6
7143 #endif /* QETH_IPV6 */
7145 qeth_sysfs_unregister();
7146 qeth_unregister_dbf_views();
7148 PRINT_ERR("Initialization failed");
7153 __exit qeth_exit(void)
7155 struct qeth_card *card, *tmp;
7156 unsigned long flags;
7158 QETH_DBF_TEXT(trace,1, "cleanup.");
7161 * Weed would not need to clean up our devices here, because the
7162 * common device layer calls qeth_remove_device for each device
7163 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
7164 * But we do cleanup here so we can do a "soft" shutdown of our cards.
7165 * qeth_remove_device called by the common device layer would otherwise
7166 * do a "hard" shutdown (card->use_hard_stop is set to one in
7167 * qeth_remove_device).
7170 read_lock_irqsave(&qeth_card_list.rwlock, flags);
7171 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
7172 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
7173 qeth_set_offline(card->gdev);
7174 qeth_remove_device(card->gdev);
7177 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
7178 #ifdef CONFIG_QETH_IPV6
7181 qeth_unregister_notifiers();
7182 qeth_remove_procfs_entries();
7183 qeth_sysfs_unregister();
7184 qeth_unregister_dbf_views();
7185 printk("qeth: removed\n");
7188 EXPORT_SYMBOL(qeth_eyecatcher);
7189 module_init(qeth_init);
7190 module_exit(qeth_exit);
7191 MODULE_AUTHOR("Frank Pavlic <pavlic@de.ibm.com>");
7192 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
7193 "Copyright 2000,2003 IBM Corporation\n");
7195 MODULE_LICENSE("GPL");