3 * linux/drivers/s390/net/qeth_main.c ($Revision: 1.214 $)
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: 1.214 $ $Date: 2005/05/04 20:19:18 $
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2, or (at your option)
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33 * eye catcher; just for debugging purposes
41 #include <linux/config.h>
42 #include <linux/module.h>
43 #include <linux/moduleparam.h>
44 #include <linux/string.h>
45 #include <linux/errno.h>
48 #include <linux/inetdevice.h>
49 #include <linux/netdevice.h>
50 #include <linux/sched.h>
51 #include <linux/workqueue.h>
52 #include <linux/kernel.h>
53 #include <linux/slab.h>
54 #include <linux/interrupt.h>
55 #include <linux/tcp.h>
56 #include <linux/icmp.h>
57 #include <linux/skbuff.h>
59 #include <linux/igmp.h>
60 #include <linux/init.h>
61 #include <linux/reboot.h>
62 #include <linux/mii.h>
63 #include <linux/rcupdate.h>
64 #include <linux/ethtool.h>
68 #include <net/route.h>
70 #include <asm/ebcdic.h>
73 #include <asm/timex.h>
74 #include <asm/semaphore.h>
75 #include <asm/uaccess.h>
80 #include "qeth_eddp.h"
83 #define VERSION_QETH_C "$Revision: 1.214 $"
84 static const char *version = "qeth S/390 OSA-Express driver";
87 * Debug Facility Stuff
89 static debug_info_t *qeth_dbf_setup = NULL;
90 static debug_info_t *qeth_dbf_data = NULL;
91 static debug_info_t *qeth_dbf_misc = NULL;
92 static debug_info_t *qeth_dbf_control = NULL;
93 debug_info_t *qeth_dbf_trace = NULL;
94 static debug_info_t *qeth_dbf_sense = NULL;
95 static debug_info_t *qeth_dbf_qerr = NULL;
97 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
100 * some more definitions and declarations
102 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
104 /* list of our cards */
105 struct qeth_card_list_struct qeth_card_list;
106 /*process list want to be notified*/
107 spinlock_t qeth_notify_lock;
108 struct list_head qeth_notify_list;
110 static void qeth_send_control_data_cb(struct qeth_channel *,
111 struct qeth_cmd_buffer *);
114 * here we go with function implementation
117 qeth_init_qdio_info(struct qeth_card *card);
120 qeth_init_qdio_queues(struct qeth_card *card);
123 qeth_alloc_qdio_buffers(struct qeth_card *card);
126 qeth_free_qdio_buffers(struct qeth_card *);
129 qeth_clear_qdio_buffers(struct qeth_card *);
132 qeth_clear_ip_list(struct qeth_card *, int, int);
135 qeth_clear_ipacmd_list(struct qeth_card *);
138 qeth_qdio_clear_card(struct qeth_card *, int);
141 qeth_clear_working_pool_list(struct qeth_card *);
144 qeth_clear_cmd_buffers(struct qeth_channel *);
147 qeth_stop(struct net_device *);
150 qeth_clear_ipato_list(struct qeth_card *);
153 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
156 qeth_irq_tasklet(unsigned long);
159 qeth_set_online(struct ccwgroup_device *);
162 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode);
164 static struct qeth_ipaddr *
165 qeth_get_addr_buffer(enum qeth_prot_versions);
168 qeth_set_multicast_list(struct net_device *);
171 qeth_notify_processes(void)
173 /*notify all registered processes */
174 struct qeth_notify_list_struct *n_entry;
176 QETH_DBF_TEXT(trace,3,"procnoti");
177 spin_lock(&qeth_notify_lock);
178 list_for_each_entry(n_entry, &qeth_notify_list, list) {
179 send_sig(n_entry->signum, n_entry->task, 1);
181 spin_unlock(&qeth_notify_lock);
185 qeth_notifier_unregister(struct task_struct *p)
187 struct qeth_notify_list_struct *n_entry, *tmp;
189 QETH_DBF_TEXT(trace, 2, "notunreg");
190 spin_lock(&qeth_notify_lock);
191 list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
192 if (n_entry->task == p) {
193 list_del(&n_entry->list);
199 spin_unlock(&qeth_notify_lock);
203 qeth_notifier_register(struct task_struct *p, int signum)
205 struct qeth_notify_list_struct *n_entry;
208 /*check first if entry already exists*/
209 spin_lock(&qeth_notify_lock);
210 list_for_each_entry(n_entry, &qeth_notify_list, list) {
211 if (n_entry->task == p) {
212 n_entry->signum = signum;
213 spin_unlock(&qeth_notify_lock);
217 spin_unlock(&qeth_notify_lock);
219 n_entry = (struct qeth_notify_list_struct *)
220 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
224 n_entry->signum = signum;
225 spin_lock(&qeth_notify_lock);
226 list_add(&n_entry->list,&qeth_notify_list);
227 spin_unlock(&qeth_notify_lock);
233 * free channel command buffers
236 qeth_clean_channel(struct qeth_channel *channel)
240 QETH_DBF_TEXT(setup, 2, "freech");
241 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
242 kfree(channel->iob[cnt].data);
249 qeth_free_card(struct qeth_card *card)
252 QETH_DBF_TEXT(setup, 2, "freecrd");
253 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
254 qeth_clean_channel(&card->read);
255 qeth_clean_channel(&card->write);
257 free_netdev(card->dev);
258 qeth_clear_ip_list(card, 0, 0);
259 qeth_clear_ipato_list(card);
260 kfree(card->ip_tbd_list);
261 qeth_free_qdio_buffers(card);
266 * alloc memory for command buffer per channel
269 qeth_setup_channel(struct qeth_channel *channel)
273 QETH_DBF_TEXT(setup, 2, "setupch");
274 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
275 channel->iob[cnt].data = (char *)
276 kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
277 if (channel->iob[cnt].data == NULL)
279 channel->iob[cnt].state = BUF_STATE_FREE;
280 channel->iob[cnt].channel = channel;
281 channel->iob[cnt].callback = qeth_send_control_data_cb;
282 channel->iob[cnt].rc = 0;
284 if (cnt < QETH_CMD_BUFFER_NO) {
286 kfree(channel->iob[cnt].data);
290 channel->io_buf_no = 0;
291 atomic_set(&channel->irq_pending, 0);
292 spin_lock_init(&channel->iob_lock);
294 init_waitqueue_head(&channel->wait_q);
295 channel->irq_tasklet.data = (unsigned long) channel;
296 channel->irq_tasklet.func = qeth_irq_tasklet;
301 * alloc memory for card structure
303 static struct qeth_card *
304 qeth_alloc_card(void)
306 struct qeth_card *card;
308 QETH_DBF_TEXT(setup, 2, "alloccrd");
309 card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card),
313 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
314 memset(card, 0, sizeof(struct qeth_card));
315 if (qeth_setup_channel(&card->read)) {
319 if (qeth_setup_channel(&card->write)) {
320 qeth_clean_channel(&card->read);
328 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
333 switch (PTR_ERR(irb)) {
335 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
336 QETH_DBF_TEXT(trace, 2, "ckirberr");
337 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
340 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
341 QETH_DBF_TEXT(trace, 2, "ckirberr");
342 QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT);
345 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
347 QETH_DBF_TEXT(trace, 2, "ckirberr");
348 QETH_DBF_TEXT(trace, 2, " rc???");
354 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
359 sense = (char *) irb->ecw;
360 cstat = irb->scsw.cstat;
361 dstat = irb->scsw.dstat;
363 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
364 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
365 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
366 QETH_DBF_TEXT(trace,2, "CGENCHK");
367 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
368 cdev->dev.bus_id, dstat, cstat);
369 HEXDUMP16(WARN, "irb: ", irb);
370 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
374 if (dstat & DEV_STAT_UNIT_CHECK) {
375 if (sense[SENSE_RESETTING_EVENT_BYTE] &
376 SENSE_RESETTING_EVENT_FLAG) {
377 QETH_DBF_TEXT(trace,2,"REVIND");
380 if (sense[SENSE_COMMAND_REJECT_BYTE] &
381 SENSE_COMMAND_REJECT_FLAG) {
382 QETH_DBF_TEXT(trace,2,"CMDREJi");
385 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
386 QETH_DBF_TEXT(trace,2,"AFFE");
389 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
390 QETH_DBF_TEXT(trace,2,"ZEROSEN");
393 QETH_DBF_TEXT(trace,2,"DGENCHK");
398 static int qeth_issue_next_read(struct qeth_card *);
404 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
408 struct qeth_cmd_buffer *buffer;
409 struct qeth_channel *channel;
410 struct qeth_card *card;
412 QETH_DBF_TEXT(trace,5,"irq");
414 if (__qeth_check_irb_error(cdev, irb))
416 cstat = irb->scsw.cstat;
417 dstat = irb->scsw.dstat;
419 card = CARD_FROM_CDEV(cdev);
423 if (card->read.ccwdev == cdev){
424 channel = &card->read;
425 QETH_DBF_TEXT(trace,5,"read");
426 } else if (card->write.ccwdev == cdev) {
427 channel = &card->write;
428 QETH_DBF_TEXT(trace,5,"write");
430 channel = &card->data;
431 QETH_DBF_TEXT(trace,5,"data");
433 atomic_set(&channel->irq_pending, 0);
435 if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
436 channel->state = CH_STATE_STOPPED;
438 if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
439 channel->state = CH_STATE_HALTED;
441 /*let's wake up immediately on data channel*/
442 if ((channel == &card->data) && (intparm != 0))
445 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
446 QETH_DBF_TEXT(trace, 6, "clrchpar");
447 /* we don't have to handle this further */
450 if (intparm == QETH_HALT_CHANNEL_PARM) {
451 QETH_DBF_TEXT(trace, 6, "hltchpar");
452 /* we don't have to handle this further */
455 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
456 (dstat & DEV_STAT_UNIT_CHECK) ||
458 if (irb->esw.esw0.erw.cons) {
459 /* TODO: we should make this s390dbf */
460 PRINT_WARN("sense data available on channel %s.\n",
461 CHANNEL_ID(channel));
462 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
463 HEXDUMP16(WARN,"irb: ",irb);
464 HEXDUMP16(WARN,"sense data: ",irb->ecw);
466 rc = qeth_get_problem(cdev,irb);
468 qeth_schedule_recovery(card);
474 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
475 buffer->state = BUF_STATE_PROCESSED;
477 if (channel == &card->data)
480 if (channel == &card->read &&
481 channel->state == CH_STATE_UP)
482 qeth_issue_next_read(card);
484 tasklet_schedule(&channel->irq_tasklet);
487 wake_up(&card->wait_q);
491 * tasklet function scheduled from irq handler
494 qeth_irq_tasklet(unsigned long data)
496 struct qeth_card *card;
497 struct qeth_channel *channel;
498 struct qeth_cmd_buffer *iob;
501 QETH_DBF_TEXT(trace,5,"irqtlet");
502 channel = (struct qeth_channel *) data;
504 index = channel->buf_no;
505 card = CARD_FROM_CDEV(channel->ccwdev);
506 while (iob[index].state == BUF_STATE_PROCESSED) {
507 if (iob[index].callback !=NULL) {
508 iob[index].callback(channel,iob + index);
510 index = (index + 1) % QETH_CMD_BUFFER_NO;
512 channel->buf_no = index;
513 wake_up(&card->wait_q);
516 static int qeth_stop_card(struct qeth_card *, int);
519 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
521 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
523 enum qeth_card_states recover_flag;
525 QETH_DBF_TEXT(setup, 3, "setoffl");
526 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
528 recover_flag = card->state;
529 if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
530 PRINT_WARN("Stopping card %s interrupted by user!\n",
534 if ((rc = ccw_device_set_offline(CARD_DDEV(card))) ||
535 (rc = ccw_device_set_offline(CARD_WDEV(card))) ||
536 (rc = ccw_device_set_offline(CARD_RDEV(card)))) {
537 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
539 if (recover_flag == CARD_STATE_UP)
540 card->state = CARD_STATE_RECOVER;
541 qeth_notify_processes();
546 qeth_set_offline(struct ccwgroup_device *cgdev)
548 return __qeth_set_offline(cgdev, 0);
552 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads);
556 qeth_remove_device(struct ccwgroup_device *cgdev)
558 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
561 QETH_DBF_TEXT(setup, 3, "rmdev");
562 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
567 if (qeth_wait_for_threads(card, 0xffffffff))
570 if (cgdev->state == CCWGROUP_ONLINE){
571 card->use_hard_stop = 1;
572 qeth_set_offline(cgdev);
574 /* remove form our internal list */
575 write_lock_irqsave(&qeth_card_list.rwlock, flags);
576 list_del(&card->list);
577 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
579 unregister_netdev(card->dev);
580 qeth_remove_device_attributes(&cgdev->dev);
581 qeth_free_card(card);
582 cgdev->dev.driver_data = NULL;
583 put_device(&cgdev->dev);
587 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
589 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
592 * Add/remove address to/from card's ip list, i.e. try to add or remove
593 * reference to/from an IP address that is already registered on the card.
595 * 0 address was on card and its reference count has been adjusted,
596 * but is still > 0, so nothing has to be done
597 * also returns 0 if card was not on card and the todo was to delete
598 * the address -> there is also nothing to be done
599 * 1 address was not on card and the todo is to add it to the card's ip
601 * -1 address was on card and its reference count has been decremented
602 * to <= 0 by the todo -> address must be removed from card
605 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
606 struct qeth_ipaddr **__addr)
608 struct qeth_ipaddr *addr;
611 list_for_each_entry(addr, &card->ip_list, entry) {
612 if ((addr->proto == QETH_PROT_IPV4) &&
613 (todo->proto == QETH_PROT_IPV4) &&
614 (addr->type == todo->type) &&
615 (addr->u.a4.addr == todo->u.a4.addr) &&
616 (addr->u.a4.mask == todo->u.a4.mask) ){
620 if ((addr->proto == QETH_PROT_IPV6) &&
621 (todo->proto == QETH_PROT_IPV6) &&
622 (addr->type == todo->type) &&
623 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
624 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
625 sizeof(struct in6_addr)) == 0)) {
631 addr->users += todo->users;
632 if (addr->users <= 0){
636 /* for VIPA and RXIP limit refcount to 1 */
637 if (addr->type != QETH_IP_TYPE_NORMAL)
642 if (todo->users > 0){
643 /* for VIPA and RXIP limit refcount to 1 */
644 if (todo->type != QETH_IP_TYPE_NORMAL)
652 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
655 struct qeth_ipaddr *tmp;
657 list_for_each_entry(tmp, list, entry) {
658 if ((tmp->proto == QETH_PROT_IPV4) &&
659 (addr->proto == QETH_PROT_IPV4) &&
660 ((same_type && (tmp->type == addr->type)) ||
661 (!same_type && (tmp->type != addr->type)) ) &&
662 (tmp->u.a4.addr == addr->u.a4.addr) ){
665 if ((tmp->proto == QETH_PROT_IPV6) &&
666 (addr->proto == QETH_PROT_IPV6) &&
667 ((same_type && (tmp->type == addr->type)) ||
668 (!same_type && (tmp->type != addr->type)) ) &&
669 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
670 sizeof(struct in6_addr)) == 0) ) {
678 * Add IP to be added to todo list. If there is already an "add todo"
679 * in this list we just incremenent the reference count.
680 * Returns 0 if we just incremented reference count.
683 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
685 struct qeth_ipaddr *tmp, *t;
688 list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
689 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
690 (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
692 if ((tmp->proto == QETH_PROT_IPV4) &&
693 (addr->proto == QETH_PROT_IPV4) &&
694 (tmp->type == addr->type) &&
695 (tmp->is_multicast == addr->is_multicast) &&
696 (tmp->u.a4.addr == addr->u.a4.addr) &&
697 (tmp->u.a4.mask == addr->u.a4.mask) ){
701 if ((tmp->proto == QETH_PROT_IPV6) &&
702 (addr->proto == QETH_PROT_IPV6) &&
703 (tmp->type == addr->type) &&
704 (tmp->is_multicast == addr->is_multicast) &&
705 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
706 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
707 sizeof(struct in6_addr)) == 0) ){
713 if (addr->users != 0)
714 tmp->users += addr->users;
716 tmp->users += add? 1:-1;
717 if (tmp->users == 0){
718 list_del(&tmp->entry);
723 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
724 list_add(&addr->entry, card->ip_tbd_list);
726 if (addr->users == 0)
727 addr->users += add? 1:-1;
728 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
729 qeth_is_addr_covered_by_ipato(card, addr)){
730 QETH_DBF_TEXT(trace, 2, "tkovaddr");
731 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
733 list_add_tail(&addr->entry, card->ip_tbd_list);
740 * Remove IP address from list
743 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
748 QETH_DBF_TEXT(trace,4,"delip");
749 if (addr->proto == QETH_PROT_IPV4)
750 QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
752 QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8);
753 QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8);
755 spin_lock_irqsave(&card->ip_lock, flags);
756 rc = __qeth_insert_ip_todo(card, addr, 0);
757 spin_unlock_irqrestore(&card->ip_lock, flags);
762 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
767 QETH_DBF_TEXT(trace,4,"addip");
768 if (addr->proto == QETH_PROT_IPV4)
769 QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4);
771 QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8);
772 QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8);
774 spin_lock_irqsave(&card->ip_lock, flags);
775 rc = __qeth_insert_ip_todo(card, addr, 1);
776 spin_unlock_irqrestore(&card->ip_lock, flags);
781 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
783 struct qeth_ipaddr *addr, *tmp;
786 list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
787 if (addr->is_multicast) {
788 spin_unlock_irqrestore(&card->ip_lock, *flags);
789 rc = qeth_deregister_addr_entry(card, addr);
790 spin_lock_irqsave(&card->ip_lock, *flags);
792 list_del(&addr->entry);
800 qeth_set_ip_addr_list(struct qeth_card *card)
802 struct list_head *tbd_list;
803 struct qeth_ipaddr *todo, *addr;
807 QETH_DBF_TEXT(trace, 2, "sdiplist");
808 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
810 spin_lock_irqsave(&card->ip_lock, flags);
811 tbd_list = card->ip_tbd_list;
812 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
813 if (!card->ip_tbd_list) {
814 QETH_DBF_TEXT(trace, 0, "silnomem");
815 card->ip_tbd_list = tbd_list;
816 spin_unlock_irqrestore(&card->ip_lock, flags);
819 INIT_LIST_HEAD(card->ip_tbd_list);
821 while (!list_empty(tbd_list)){
822 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
823 list_del(&todo->entry);
824 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
825 __qeth_delete_all_mc(card, &flags);
829 rc = __qeth_ref_ip_on_card(card, todo, &addr);
831 /* nothing to be done; only adjusted refcount */
833 } else if (rc == 1) {
834 /* new entry to be added to on-card list */
835 spin_unlock_irqrestore(&card->ip_lock, flags);
836 rc = qeth_register_addr_entry(card, todo);
837 spin_lock_irqsave(&card->ip_lock, flags);
839 list_add_tail(&todo->entry, &card->ip_list);
842 } else if (rc == -1) {
843 /* on-card entry to be removed */
844 list_del_init(&addr->entry);
845 spin_unlock_irqrestore(&card->ip_lock, flags);
846 rc = qeth_deregister_addr_entry(card, addr);
847 spin_lock_irqsave(&card->ip_lock, flags);
851 list_add_tail(&addr->entry, &card->ip_list);
855 spin_unlock_irqrestore(&card->ip_lock, flags);
859 static void qeth_delete_mc_addresses(struct qeth_card *);
860 static void qeth_add_multicast_ipv4(struct qeth_card *);
861 #ifdef CONFIG_QETH_IPV6
862 static void qeth_add_multicast_ipv6(struct qeth_card *);
866 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
870 spin_lock_irqsave(&card->thread_mask_lock, flags);
871 if ( !(card->thread_allowed_mask & thread) ||
872 (card->thread_start_mask & thread) ) {
873 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
876 card->thread_start_mask |= thread;
877 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
882 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
886 spin_lock_irqsave(&card->thread_mask_lock, flags);
887 card->thread_start_mask &= ~thread;
888 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
889 wake_up(&card->wait_q);
893 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
897 spin_lock_irqsave(&card->thread_mask_lock, flags);
898 card->thread_running_mask &= ~thread;
899 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
900 wake_up(&card->wait_q);
904 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
909 spin_lock_irqsave(&card->thread_mask_lock, flags);
910 if (card->thread_start_mask & thread){
911 if ((card->thread_allowed_mask & thread) &&
912 !(card->thread_running_mask & thread)){
914 card->thread_start_mask &= ~thread;
915 card->thread_running_mask |= thread;
919 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
924 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
928 wait_event(card->wait_q,
929 (rc = __qeth_do_run_thread(card, thread)) >= 0);
934 qeth_register_ip_addresses(void *ptr)
936 struct qeth_card *card;
938 card = (struct qeth_card *) ptr;
939 daemonize("qeth_reg_ip");
940 QETH_DBF_TEXT(trace,4,"regipth1");
941 if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD))
943 QETH_DBF_TEXT(trace,4,"regipth2");
944 qeth_set_ip_addr_list(card);
945 qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD);
950 qeth_recover(void *ptr)
952 struct qeth_card *card;
955 card = (struct qeth_card *) ptr;
956 daemonize("qeth_recover");
957 QETH_DBF_TEXT(trace,2,"recover1");
958 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
959 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
961 QETH_DBF_TEXT(trace,2,"recover2");
962 PRINT_WARN("Recovery of device %s started ...\n",
964 card->use_hard_stop = 1;
965 __qeth_set_offline(card->gdev,1);
966 rc = __qeth_set_online(card->gdev,1);
968 PRINT_INFO("Device %s successfully recovered!\n",
971 PRINT_INFO("Device %s could not be recovered!\n",
973 /* don't run another scheduled recovery */
974 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
975 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
980 qeth_schedule_recovery(struct qeth_card *card)
982 QETH_DBF_TEXT(trace,2,"startrec");
984 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
985 schedule_work(&card->kernel_thread_starter);
989 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
994 spin_lock_irqsave(&card->thread_mask_lock, flags);
995 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
996 (u8) card->thread_start_mask,
997 (u8) card->thread_allowed_mask,
998 (u8) card->thread_running_mask);
999 rc = (card->thread_start_mask & thread);
1000 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1005 qeth_start_kernel_thread(struct qeth_card *card)
1007 QETH_DBF_TEXT(trace , 2, "strthrd");
1009 if (card->read.state != CH_STATE_UP &&
1010 card->write.state != CH_STATE_UP)
1013 if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
1014 kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD);
1015 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1016 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1021 qeth_set_intial_options(struct qeth_card *card)
1023 card->options.route4.type = NO_ROUTER;
1024 #ifdef CONFIG_QETH_IPV6
1025 card->options.route6.type = NO_ROUTER;
1026 #endif /* QETH_IPV6 */
1027 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1028 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1029 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1030 card->options.fake_broadcast = 0;
1031 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1032 card->options.fake_ll = 0;
1033 card->options.layer2 = 0;
1037 * initialize channels ,card and all state machines
1040 qeth_setup_card(struct qeth_card *card)
1043 QETH_DBF_TEXT(setup, 2, "setupcrd");
1044 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1046 card->read.state = CH_STATE_DOWN;
1047 card->write.state = CH_STATE_DOWN;
1048 card->data.state = CH_STATE_DOWN;
1049 card->state = CARD_STATE_DOWN;
1050 card->lan_online = 0;
1051 card->use_hard_stop = 0;
1053 #ifdef CONFIG_QETH_VLAN
1054 spin_lock_init(&card->vlanlock);
1055 card->vlangrp = NULL;
1057 spin_lock_init(&card->ip_lock);
1058 spin_lock_init(&card->thread_mask_lock);
1059 card->thread_start_mask = 0;
1060 card->thread_allowed_mask = 0;
1061 card->thread_running_mask = 0;
1062 INIT_WORK(&card->kernel_thread_starter,
1063 (void *)qeth_start_kernel_thread,card);
1064 INIT_LIST_HEAD(&card->ip_list);
1065 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1066 if (!card->ip_tbd_list) {
1067 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1070 INIT_LIST_HEAD(card->ip_tbd_list);
1071 INIT_LIST_HEAD(&card->cmd_waiter_list);
1072 init_waitqueue_head(&card->wait_q);
1073 /* intial options */
1074 qeth_set_intial_options(card);
1075 /* IP address takeover */
1076 INIT_LIST_HEAD(&card->ipato.entries);
1077 card->ipato.enabled = 0;
1078 card->ipato.invert4 = 0;
1079 card->ipato.invert6 = 0;
1080 /* init QDIO stuff */
1081 qeth_init_qdio_info(card);
1086 is_1920_device (struct qeth_card *card)
1088 int single_queue = 0;
1089 struct ccw_device *ccwdev;
1090 struct channelPath_dsc {
1101 QETH_DBF_TEXT(setup, 2, "chk_1920");
1103 ccwdev = card->data.ccwdev;
1104 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1105 if (chp_dsc != NULL) {
1106 /* CHPP field bit 6 == 1 -> single queue */
1107 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1110 QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1111 return single_queue;
1115 qeth_determine_card_type(struct qeth_card *card)
1119 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1121 while (known_devices[i][4]) {
1122 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1123 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1124 card->info.type = known_devices[i][4];
1125 if (is_1920_device(card)) {
1126 PRINT_INFO("Priority Queueing not able "
1127 "due to hardware limitations!\n");
1128 card->qdio.no_out_queues = 1;
1129 card->qdio.default_out_queue = 0;
1131 card->qdio.no_out_queues = known_devices[i][8];
1133 card->info.is_multicast_different = known_devices[i][9];
1138 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1139 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1144 qeth_probe_device(struct ccwgroup_device *gdev)
1146 struct qeth_card *card;
1148 unsigned long flags;
1151 QETH_DBF_TEXT(setup, 2, "probedev");
1154 if (!get_device(dev))
1157 card = qeth_alloc_card();
1160 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1163 card->read.ccwdev = gdev->cdev[0];
1164 card->write.ccwdev = gdev->cdev[1];
1165 card->data.ccwdev = gdev->cdev[2];
1167 if ((rc = qeth_setup_card(card))){
1168 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1170 qeth_free_card(card);
1173 gdev->dev.driver_data = card;
1175 gdev->cdev[0]->handler = qeth_irq;
1176 gdev->cdev[1]->handler = qeth_irq;
1177 gdev->cdev[2]->handler = qeth_irq;
1179 rc = qeth_create_device_attributes(dev);
1182 qeth_free_card(card);
1185 if ((rc = qeth_determine_card_type(card))){
1186 PRINT_WARN("%s: not a valid card type\n", __func__);
1187 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1189 qeth_free_card(card);
1192 /* insert into our internal list */
1193 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1194 list_add_tail(&card->list, &qeth_card_list.list);
1195 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1201 qeth_get_unitaddr(struct qeth_card *card)
1207 QETH_DBF_TEXT(setup, 2, "getunit");
1208 rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1210 PRINT_ERR("read_conf_data for device %s returned %i\n",
1211 CARD_DDEV_ID(card), rc);
1214 card->info.chpid = prcd[30];
1215 card->info.unit_addr2 = prcd[31];
1216 card->info.cula = prcd[63];
1217 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1218 (prcd[0x11] == _ascebc['M']));
1223 qeth_init_tokens(struct qeth_card *card)
1225 card->token.issuer_rm_w = 0x00010103UL;
1226 card->token.cm_filter_w = 0x00010108UL;
1227 card->token.cm_connection_w = 0x0001010aUL;
1228 card->token.ulp_filter_w = 0x0001010bUL;
1229 card->token.ulp_connection_w = 0x0001010dUL;
1233 raw_devno_from_bus_id(char *id)
1235 id += (strlen(id) - 4);
1236 return (__u16) simple_strtoul(id, &id, 16);
1242 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1244 struct qeth_card *card;
1246 QETH_DBF_TEXT(trace, 4, "setupccw");
1247 card = CARD_FROM_CDEV(channel->ccwdev);
1248 if (channel == &card->read)
1249 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1251 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1252 channel->ccw.count = len;
1253 channel->ccw.cda = (__u32) __pa(iob);
1257 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1259 static struct qeth_cmd_buffer *
1260 __qeth_get_buffer(struct qeth_channel *channel)
1264 QETH_DBF_TEXT(trace, 6, "getbuff");
1265 index = channel->io_buf_no;
1267 if (channel->iob[index].state == BUF_STATE_FREE) {
1268 channel->iob[index].state = BUF_STATE_LOCKED;
1269 channel->io_buf_no = (channel->io_buf_no + 1) %
1271 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1272 return channel->iob + index;
1274 index = (index + 1) % QETH_CMD_BUFFER_NO;
1275 } while(index != channel->io_buf_no);
1281 * release command buffer
1284 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1286 unsigned long flags;
1288 QETH_DBF_TEXT(trace, 6, "relbuff");
1289 spin_lock_irqsave(&channel->iob_lock, flags);
1290 memset(iob->data, 0, QETH_BUFSIZE);
1291 iob->state = BUF_STATE_FREE;
1292 iob->callback = qeth_send_control_data_cb;
1294 spin_unlock_irqrestore(&channel->iob_lock, flags);
1297 static struct qeth_cmd_buffer *
1298 qeth_get_buffer(struct qeth_channel *channel)
1300 struct qeth_cmd_buffer *buffer = NULL;
1301 unsigned long flags;
1303 spin_lock_irqsave(&channel->iob_lock, flags);
1304 buffer = __qeth_get_buffer(channel);
1305 spin_unlock_irqrestore(&channel->iob_lock, flags);
1309 static struct qeth_cmd_buffer *
1310 qeth_wait_for_buffer(struct qeth_channel *channel)
1312 struct qeth_cmd_buffer *buffer;
1313 wait_event(channel->wait_q,
1314 ((buffer = qeth_get_buffer(channel)) != NULL));
1319 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1323 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1324 qeth_release_buffer(channel,&channel->iob[cnt]);
1325 channel->buf_no = 0;
1326 channel->io_buf_no = 0;
1330 * start IDX for read and write channel
1333 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1334 void (*idx_reply_cb)(struct qeth_channel *,
1335 struct qeth_cmd_buffer *))
1337 struct qeth_cmd_buffer *iob;
1338 unsigned long flags;
1340 struct qeth_card *card;
1342 QETH_DBF_TEXT(setup, 2, "idxanswr");
1343 card = CARD_FROM_CDEV(channel->ccwdev);
1344 iob = qeth_get_buffer(channel);
1345 iob->callback = idx_reply_cb;
1346 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1347 channel->ccw.count = QETH_BUFSIZE;
1348 channel->ccw.cda = (__u32) __pa(iob->data);
1350 wait_event(card->wait_q,
1351 atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1352 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1353 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1354 rc = ccw_device_start(channel->ccwdev,
1355 &channel->ccw,(addr_t) iob, 0, 0);
1356 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1359 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1360 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1361 atomic_set(&channel->irq_pending, 0);
1362 wake_up(&card->wait_q);
1365 rc = wait_event_interruptible_timeout(card->wait_q,
1366 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1367 if (rc == -ERESTARTSYS)
1369 if (channel->state != CH_STATE_UP){
1371 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1372 qeth_clear_cmd_buffers(channel);
1379 qeth_idx_activate_channel(struct qeth_channel *channel,
1380 void (*idx_reply_cb)(struct qeth_channel *,
1381 struct qeth_cmd_buffer *))
1383 struct qeth_card *card;
1384 struct qeth_cmd_buffer *iob;
1385 unsigned long flags;
1389 card = CARD_FROM_CDEV(channel->ccwdev);
1391 QETH_DBF_TEXT(setup, 2, "idxactch");
1393 iob = qeth_get_buffer(channel);
1394 iob->callback = idx_reply_cb;
1395 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1396 channel->ccw.count = IDX_ACTIVATE_SIZE;
1397 channel->ccw.cda = (__u32) __pa(iob->data);
1398 if (channel == &card->write) {
1399 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1400 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1401 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1402 card->seqno.trans_hdr++;
1404 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1405 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1406 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1408 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1409 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1410 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1411 &card->info.func_level,sizeof(__u16));
1412 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1413 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1414 temp = (card->info.cula << 8) + card->info.unit_addr2;
1415 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1417 wait_event(card->wait_q,
1418 atomic_compare_and_swap(0,1,&channel->irq_pending) == 0);
1419 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1420 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1421 rc = ccw_device_start(channel->ccwdev,
1422 &channel->ccw,(addr_t) iob, 0, 0);
1423 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1426 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1427 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1428 atomic_set(&channel->irq_pending, 0);
1429 wake_up(&card->wait_q);
1432 rc = wait_event_interruptible_timeout(card->wait_q,
1433 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1434 if (rc == -ERESTARTSYS)
1436 if (channel->state != CH_STATE_ACTIVATING) {
1437 PRINT_WARN("qeth: IDX activate timed out!\n");
1438 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1439 qeth_clear_cmd_buffers(channel);
1442 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1446 qeth_peer_func_level(int level)
1448 if ((level & 0xff) == 8)
1449 return (level & 0xff) + 0x400;
1450 if (((level >> 8) & 3) == 1)
1451 return (level & 0xff) + 0x200;
1456 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1458 struct qeth_card *card;
1461 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1463 if (channel->state == CH_STATE_DOWN) {
1464 channel->state = CH_STATE_ACTIVATING;
1467 card = CARD_FROM_CDEV(channel->ccwdev);
1469 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1470 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1471 "reply\n", CARD_WDEV_ID(card));
1474 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1475 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1476 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1477 "function level mismatch "
1478 "(sent: 0x%x, received: 0x%x)\n",
1479 CARD_WDEV_ID(card), card->info.func_level, temp);
1482 channel->state = CH_STATE_UP;
1484 qeth_release_buffer(channel, iob);
1488 qeth_check_idx_response(unsigned char *buffer)
1493 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1494 if ((buffer[2] & 0xc0) == 0xc0) {
1495 PRINT_WARN("received an IDX TERMINATE "
1496 "with cause code 0x%02x%s\n",
1498 ((buffer[4] == 0x22) ?
1499 " -- try another portname" : ""));
1500 QETH_DBF_TEXT(trace, 2, "ckidxres");
1501 QETH_DBF_TEXT(trace, 2, " idxterm");
1502 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1509 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1511 struct qeth_card *card;
1514 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1515 if (channel->state == CH_STATE_DOWN) {
1516 channel->state = CH_STATE_ACTIVATING;
1520 card = CARD_FROM_CDEV(channel->ccwdev);
1521 if (qeth_check_idx_response(iob->data)) {
1524 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1525 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1526 "reply\n", CARD_RDEV_ID(card));
1531 * temporary fix for microcode bug
1532 * to revert it,replace OR by AND
1534 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1535 (card->info.type == QETH_CARD_TYPE_OSAE) )
1536 card->info.portname_required = 1;
1538 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1539 if (temp != qeth_peer_func_level(card->info.func_level)) {
1540 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1541 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1542 CARD_RDEV_ID(card), card->info.func_level, temp);
1545 memcpy(&card->token.issuer_rm_r,
1546 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1547 QETH_MPC_TOKEN_LENGTH);
1548 memcpy(&card->info.mcl_level[0],
1549 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1550 channel->state = CH_STATE_UP;
1552 qeth_release_buffer(channel,iob);
1556 qeth_issue_next_read(struct qeth_card *card)
1559 struct qeth_cmd_buffer *iob;
1561 QETH_DBF_TEXT(trace,5,"issnxrd");
1562 if (card->read.state != CH_STATE_UP)
1564 iob = qeth_get_buffer(&card->read);
1566 PRINT_WARN("issue_next_read failed: no iob available!\n");
1569 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1570 wait_event(card->wait_q,
1571 atomic_compare_and_swap(0,1,&card->read.irq_pending) == 0);
1572 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1573 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1574 (addr_t) iob, 0, 0);
1576 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1577 atomic_set(&card->read.irq_pending, 0);
1578 qeth_schedule_recovery(card);
1579 wake_up(&card->wait_q);
1584 static struct qeth_reply *
1585 qeth_alloc_reply(struct qeth_card *card)
1587 struct qeth_reply *reply;
1589 reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1591 memset(reply, 0, sizeof(struct qeth_reply));
1592 atomic_set(&reply->refcnt, 1);
1599 qeth_get_reply(struct qeth_reply *reply)
1601 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1602 atomic_inc(&reply->refcnt);
1606 qeth_put_reply(struct qeth_reply *reply)
1608 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1609 if (atomic_dec_and_test(&reply->refcnt))
1614 qeth_cmd_timeout(unsigned long data)
1616 struct qeth_reply *reply, *list_reply, *r;
1617 unsigned long flags;
1619 reply = (struct qeth_reply *) data;
1620 spin_lock_irqsave(&reply->card->lock, flags);
1621 list_for_each_entry_safe(list_reply, r,
1622 &reply->card->cmd_waiter_list, list) {
1623 if (reply == list_reply){
1624 qeth_get_reply(reply);
1625 list_del_init(&reply->list);
1626 spin_unlock_irqrestore(&reply->card->lock, flags);
1628 reply->received = 1;
1629 wake_up(&reply->wait_q);
1630 qeth_put_reply(reply);
1634 spin_unlock_irqrestore(&reply->card->lock, flags);
1638 qeth_reset_ip_addresses(struct qeth_card *card)
1640 QETH_DBF_TEXT(trace, 2, "rstipadd");
1642 qeth_clear_ip_list(card, 0, 1);
1643 /* this function will also schedule the SET_IP_THREAD */
1644 qeth_set_multicast_list(card->dev);
1647 static struct qeth_ipa_cmd *
1648 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1650 struct qeth_ipa_cmd *cmd = NULL;
1652 QETH_DBF_TEXT(trace,5,"chkipad");
1653 if (IS_IPA(iob->data)){
1654 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1655 if (IS_IPA_REPLY(cmd))
1658 switch (cmd->hdr.command) {
1659 case IPA_CMD_STOPLAN:
1660 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1661 "there is a network problem or "
1662 "someone pulled the cable or "
1663 "disabled the port.\n",
1664 QETH_CARD_IFNAME(card),
1666 card->lan_online = 0;
1667 netif_carrier_off(card->dev);
1669 case IPA_CMD_STARTLAN:
1670 PRINT_INFO("Link reestablished on %s "
1671 "(CHPID 0x%X). Scheduling "
1672 "IP address reset.\n",
1673 QETH_CARD_IFNAME(card),
1675 card->lan_online = 1;
1676 netif_carrier_on(card->dev);
1677 qeth_reset_ip_addresses(card);
1679 case IPA_CMD_REGISTER_LOCAL_ADDR:
1680 QETH_DBF_TEXT(trace,3, "irla");
1682 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1683 QETH_DBF_TEXT(trace,3, "urla");
1686 PRINT_WARN("Received data is IPA "
1687 "but not a reply!\n");
1696 * wake all waiting ipa commands
1699 qeth_clear_ipacmd_list(struct qeth_card *card)
1701 struct qeth_reply *reply, *r;
1702 unsigned long flags;
1704 QETH_DBF_TEXT(trace, 4, "clipalst");
1706 spin_lock_irqsave(&card->lock, flags);
1707 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1708 qeth_get_reply(reply);
1710 reply->received = 1;
1711 list_del_init(&reply->list);
1712 wake_up(&reply->wait_q);
1713 qeth_put_reply(reply);
1715 spin_unlock_irqrestore(&card->lock, flags);
1719 qeth_send_control_data_cb(struct qeth_channel *channel,
1720 struct qeth_cmd_buffer *iob)
1722 struct qeth_card *card;
1723 struct qeth_reply *reply, *r;
1724 struct qeth_ipa_cmd *cmd;
1725 unsigned long flags;
1728 QETH_DBF_TEXT(trace,4,"sndctlcb");
1730 card = CARD_FROM_CDEV(channel->ccwdev);
1731 if (qeth_check_idx_response(iob->data)) {
1732 qeth_clear_ipacmd_list(card);
1733 qeth_schedule_recovery(card);
1737 cmd = qeth_check_ipa_data(card, iob);
1738 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1741 spin_lock_irqsave(&card->lock, flags);
1742 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1743 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1744 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1745 qeth_get_reply(reply);
1746 list_del_init(&reply->list);
1747 spin_unlock_irqrestore(&card->lock, flags);
1749 if (reply->callback != NULL) {
1751 reply->offset = (__u16)((char*)cmd -
1753 keep_reply = reply->callback(card,
1755 (unsigned long)cmd);
1758 keep_reply = reply->callback(card,
1760 (unsigned long)iob);
1763 reply->rc = (u16) cmd->hdr.return_code;
1765 reply->rc = iob->rc;
1767 spin_lock_irqsave(&card->lock, flags);
1768 list_add_tail(&reply->list,
1769 &card->cmd_waiter_list);
1770 spin_unlock_irqrestore(&card->lock, flags);
1772 reply->received = 1;
1773 wake_up(&reply->wait_q);
1775 qeth_put_reply(reply);
1779 spin_unlock_irqrestore(&card->lock, flags);
1781 memcpy(&card->seqno.pdu_hdr_ack,
1782 QETH_PDU_HEADER_SEQ_NO(iob->data),
1783 QETH_SEQ_NO_LENGTH);
1784 qeth_release_buffer(channel,iob);
1788 qeth_send_control_data(struct qeth_card *card, int len,
1789 struct qeth_cmd_buffer *iob,
1791 (struct qeth_card *, struct qeth_reply*, unsigned long),
1796 unsigned long flags;
1797 struct qeth_reply *reply;
1798 struct timer_list timer;
1800 QETH_DBF_TEXT(trace, 2, "sendctl");
1802 qeth_setup_ccw(&card->write,iob->data,len);
1804 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1805 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1806 card->seqno.trans_hdr++;
1808 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1809 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1810 card->seqno.pdu_hdr++;
1811 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1812 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1813 iob->callback = qeth_release_buffer;
1815 reply = qeth_alloc_reply(card);
1817 PRINT_WARN("Could no alloc qeth_reply!\n");
1820 reply->callback = reply_cb;
1821 reply->param = reply_param;
1822 if (card->state == CARD_STATE_DOWN)
1823 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1825 reply->seqno = card->seqno.ipa++;
1827 timer.function = qeth_cmd_timeout;
1828 timer.data = (unsigned long) reply;
1829 if (IS_IPA(iob->data))
1830 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1832 timer.expires = jiffies + QETH_TIMEOUT;
1833 init_waitqueue_head(&reply->wait_q);
1834 spin_lock_irqsave(&card->lock, flags);
1835 list_add_tail(&reply->list, &card->cmd_waiter_list);
1836 spin_unlock_irqrestore(&card->lock, flags);
1837 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1838 wait_event(card->wait_q,
1839 atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0);
1840 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1841 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1842 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1843 (addr_t) iob, 0, 0);
1844 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1846 PRINT_WARN("qeth_send_control_data: "
1847 "ccw_device_start rc = %i\n", rc);
1848 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1849 spin_lock_irqsave(&card->lock, flags);
1850 list_del_init(&reply->list);
1851 qeth_put_reply(reply);
1852 spin_unlock_irqrestore(&card->lock, flags);
1853 qeth_release_buffer(iob->channel, iob);
1854 atomic_set(&card->write.irq_pending, 0);
1855 wake_up(&card->wait_q);
1859 wait_event(reply->wait_q, reply->received);
1860 del_timer_sync(&timer);
1862 qeth_put_reply(reply);
1867 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1869 (struct qeth_card *,struct qeth_reply*, unsigned long),
1875 QETH_DBF_TEXT(trace,4,"sendipa");
1877 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1879 if (card->options.layer2)
1880 prot_type = QETH_PROT_LAYER2;
1882 prot_type = QETH_PROT_TCPIP;
1884 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1885 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1886 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1888 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1889 reply_cb, reply_param);
1895 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1898 struct qeth_cmd_buffer *iob;
1900 QETH_DBF_TEXT(setup, 2, "cmenblcb");
1902 iob = (struct qeth_cmd_buffer *) data;
1903 memcpy(&card->token.cm_filter_r,
1904 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
1905 QETH_MPC_TOKEN_LENGTH);
1906 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1911 qeth_cm_enable(struct qeth_card *card)
1914 struct qeth_cmd_buffer *iob;
1916 QETH_DBF_TEXT(setup,2,"cmenable");
1918 iob = qeth_wait_for_buffer(&card->write);
1919 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
1920 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
1921 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
1922 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
1923 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
1925 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
1926 qeth_cm_enable_cb, NULL);
1931 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
1935 struct qeth_cmd_buffer *iob;
1937 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
1939 iob = (struct qeth_cmd_buffer *) data;
1940 memcpy(&card->token.cm_connection_r,
1941 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
1942 QETH_MPC_TOKEN_LENGTH);
1943 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1948 qeth_cm_setup(struct qeth_card *card)
1951 struct qeth_cmd_buffer *iob;
1953 QETH_DBF_TEXT(setup,2,"cmsetup");
1955 iob = qeth_wait_for_buffer(&card->write);
1956 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
1957 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
1958 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
1959 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
1960 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
1961 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
1962 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
1963 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
1964 qeth_cm_setup_cb, NULL);
1970 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1974 __u16 mtu, framesize;
1977 struct qeth_cmd_buffer *iob;
1979 QETH_DBF_TEXT(setup, 2, "ulpenacb");
1981 iob = (struct qeth_cmd_buffer *) data;
1982 memcpy(&card->token.ulp_filter_r,
1983 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
1984 QETH_MPC_TOKEN_LENGTH);
1985 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
1986 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
1987 mtu = qeth_get_mtu_outof_framesize(framesize);
1990 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
1993 card->info.max_mtu = mtu;
1994 card->info.initial_mtu = mtu;
1995 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
1997 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
1998 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
1999 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2002 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2003 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2005 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2006 card->info.link_type = link_type;
2008 card->info.link_type = 0;
2009 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2014 qeth_ulp_enable(struct qeth_card *card)
2018 struct qeth_cmd_buffer *iob;
2020 /*FIXME: trace view callbacks*/
2021 QETH_DBF_TEXT(setup,2,"ulpenabl");
2023 iob = qeth_wait_for_buffer(&card->write);
2024 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2026 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2027 (__u8) card->info.portno;
2028 if (card->options.layer2)
2029 prot_type = QETH_PROT_LAYER2;
2031 prot_type = QETH_PROT_TCPIP;
2033 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2034 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2035 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2036 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2037 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2038 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2039 card->info.portname, 9);
2040 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2041 qeth_ulp_enable_cb, NULL);
2047 __raw_devno_from_bus_id(char *id)
2049 id += (strlen(id) - 4);
2050 return (__u16) simple_strtoul(id, &id, 16);
2054 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2057 struct qeth_cmd_buffer *iob;
2059 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2061 iob = (struct qeth_cmd_buffer *) data;
2062 memcpy(&card->token.ulp_connection_r,
2063 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2064 QETH_MPC_TOKEN_LENGTH);
2065 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2070 qeth_ulp_setup(struct qeth_card *card)
2074 struct qeth_cmd_buffer *iob;
2076 QETH_DBF_TEXT(setup,2,"ulpsetup");
2078 iob = qeth_wait_for_buffer(&card->write);
2079 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2081 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2082 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2083 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2084 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2085 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2086 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2088 temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2089 memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2090 temp = (card->info.cula << 8) + card->info.unit_addr2;
2091 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2092 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2093 qeth_ulp_setup_cb, NULL);
2098 qeth_check_for_inbound_error(struct qeth_qdio_buffer *buf,
2099 unsigned int qdio_error,
2100 unsigned int siga_error)
2104 if (qdio_error || siga_error) {
2105 QETH_DBF_TEXT(trace, 2, "qdinerr");
2106 QETH_DBF_TEXT(qerr, 2, "qdinerr");
2107 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2108 buf->buffer->element[15].flags & 0xff);
2109 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2110 buf->buffer->element[14].flags & 0xff);
2111 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2112 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2118 static inline struct sk_buff *
2119 qeth_get_skb(unsigned int length)
2121 struct sk_buff* skb;
2122 #ifdef CONFIG_QETH_VLAN
2123 if ((skb = dev_alloc_skb(length + VLAN_HLEN)))
2124 skb_reserve(skb, VLAN_HLEN);
2126 skb = dev_alloc_skb(length);
2131 static inline struct sk_buff *
2132 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2133 struct qdio_buffer_element **__element, int *__offset,
2134 struct qeth_hdr **hdr)
2136 struct qdio_buffer_element *element = *__element;
2137 int offset = *__offset;
2138 struct sk_buff *skb = NULL;
2143 QETH_DBF_TEXT(trace,6,"nextskb");
2144 /* qeth_hdr must not cross element boundaries */
2145 if (element->length < offset + sizeof(struct qeth_hdr)){
2146 if (qeth_is_last_sbale(element))
2150 if (element->length < sizeof(struct qeth_hdr))
2153 *hdr = element->addr + offset;
2155 offset += sizeof(struct qeth_hdr);
2156 if (card->options.layer2)
2157 skb_len = (*hdr)->hdr.l2.pkt_length;
2159 skb_len = (*hdr)->hdr.l3.length;
2163 if (card->options.fake_ll){
2164 if(card->dev->type == ARPHRD_IEEE802_TR){
2165 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR)))
2167 skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
2169 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH)))
2171 skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
2173 } else if (!(skb = qeth_get_skb(skb_len)))
2175 data_ptr = element->addr + offset;
2177 data_len = min(skb_len, (int)(element->length - offset));
2179 memcpy(skb_put(skb, data_len), data_ptr, data_len);
2180 skb_len -= data_len;
2182 if (qeth_is_last_sbale(element)){
2183 QETH_DBF_TEXT(trace,4,"unexeob");
2184 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2185 QETH_DBF_TEXT(qerr,2,"unexeob");
2186 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2187 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2188 dev_kfree_skb_any(skb);
2189 card->stats.rx_errors++;
2194 data_ptr = element->addr;
2199 *__element = element;
2203 if (net_ratelimit()){
2204 PRINT_WARN("No memory for packet received on %s.\n",
2205 QETH_CARD_IFNAME(card));
2206 QETH_DBF_TEXT(trace,2,"noskbmem");
2207 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2209 card->stats.rx_dropped++;
2213 static inline unsigned short
2214 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2216 struct qeth_card *card;
2219 QETH_DBF_TEXT(trace,6,"typtrans");
2221 card = (struct qeth_card *)dev->priv;
2223 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2224 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2225 return tr_type_trans(skb,dev);
2226 #endif /* CONFIG_TR */
2227 skb->mac.raw = skb->data;
2228 skb_pull(skb, ETH_HLEN );
2231 if (*eth->h_dest & 1) {
2232 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2233 skb->pkt_type = PACKET_BROADCAST;
2235 skb->pkt_type = PACKET_MULTICAST;
2236 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2237 skb->pkt_type = PACKET_OTHERHOST;
2239 if (ntohs(eth->h_proto) >= 1536)
2240 return eth->h_proto;
2241 if (*(unsigned short *) (skb->data) == 0xFFFF)
2242 return htons(ETH_P_802_3);
2243 return htons(ETH_P_802_2);
2247 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2248 struct qeth_hdr *hdr)
2250 struct trh_hdr *fake_hdr;
2251 struct trllc *fake_llc;
2252 struct iphdr *ip_hdr;
2254 QETH_DBF_TEXT(trace,5,"skbfktr");
2255 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR;
2256 /* this is a fake ethernet header */
2257 fake_hdr = (struct trh_hdr *) skb->mac.raw;
2259 /* the destination MAC address */
2260 switch (skb->pkt_type){
2261 case PACKET_MULTICAST:
2262 switch (skb->protocol){
2263 #ifdef CONFIG_QETH_IPV6
2264 case __constant_htons(ETH_P_IPV6):
2265 ndisc_mc_map((struct in6_addr *)
2266 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2267 fake_hdr->daddr, card->dev, 0);
2269 #endif /* CONFIG_QETH_IPV6 */
2270 case __constant_htons(ETH_P_IP):
2271 ip_hdr = (struct iphdr *)skb->data;
2272 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2275 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2278 case PACKET_BROADCAST:
2279 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2282 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2284 /* the source MAC address */
2285 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2286 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2288 memset(fake_hdr->saddr, 0, TR_ALEN);
2290 fake_llc = (struct trllc*)&(fake_hdr->rcf);
2291 fake_llc->dsap = EXTENDED_SAP;
2292 fake_llc->ssap = EXTENDED_SAP;
2293 fake_llc->llc = UI_CMD;
2294 fake_llc->protid[0] = 0;
2295 fake_llc->protid[1] = 0;
2296 fake_llc->protid[2] = 0;
2297 fake_llc->ethertype = ETH_P_IP;
2301 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2302 struct qeth_hdr *hdr)
2304 struct ethhdr *fake_hdr;
2305 struct iphdr *ip_hdr;
2307 QETH_DBF_TEXT(trace,5,"skbfketh");
2308 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH;
2309 /* this is a fake ethernet header */
2310 fake_hdr = (struct ethhdr *) skb->mac.raw;
2312 /* the destination MAC address */
2313 switch (skb->pkt_type){
2314 case PACKET_MULTICAST:
2315 switch (skb->protocol){
2316 #ifdef CONFIG_QETH_IPV6
2317 case __constant_htons(ETH_P_IPV6):
2318 ndisc_mc_map((struct in6_addr *)
2319 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2320 fake_hdr->h_dest, card->dev, 0);
2322 #endif /* CONFIG_QETH_IPV6 */
2323 case __constant_htons(ETH_P_IP):
2324 ip_hdr = (struct iphdr *)skb->data;
2325 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2328 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2331 case PACKET_BROADCAST:
2332 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2335 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2337 /* the source MAC address */
2338 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2339 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2341 memset(fake_hdr->h_source, 0, ETH_ALEN);
2343 fake_hdr->h_proto = skb->protocol;
2347 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2348 struct qeth_hdr *hdr)
2350 if (card->dev->type == ARPHRD_IEEE802_TR)
2351 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2353 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2357 qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb,
2358 struct qeth_hdr *hdr)
2360 #ifdef CONFIG_QETH_VLAN
2363 if (hdr->hdr.l3.ext_flags &
2364 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2365 vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
2366 *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2367 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2368 *(vlan_tag + 1) = skb->protocol;
2369 skb->protocol = __constant_htons(ETH_P_8021Q);
2371 #endif /* CONFIG_QETH_VLAN */
2375 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2376 struct qeth_hdr *hdr)
2378 unsigned short vlan_id = 0;
2379 #ifdef CONFIG_QETH_VLAN
2380 struct vlan_hdr *vhdr;
2383 skb->pkt_type = PACKET_HOST;
2384 skb->protocol = qeth_type_trans(skb, skb->dev);
2385 if (card->options.checksum_type == NO_CHECKSUMMING)
2386 skb->ip_summed = CHECKSUM_UNNECESSARY;
2388 skb->ip_summed = CHECKSUM_NONE;
2389 #ifdef CONFIG_QETH_VLAN
2390 if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) {
2391 vhdr = (struct vlan_hdr *) skb->data;
2393 __constant_htons(vhdr->h_vlan_encapsulated_proto);
2394 vlan_id = hdr->hdr.l2.vlan_id;
2395 skb_pull(skb, VLAN_HLEN);
2402 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2403 struct qeth_hdr *hdr)
2405 #ifdef CONFIG_QETH_IPV6
2406 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2407 skb->pkt_type = PACKET_HOST;
2408 skb->protocol = qeth_type_trans(skb, card->dev);
2411 #endif /* CONFIG_QETH_IPV6 */
2412 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2414 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2415 case QETH_CAST_UNICAST:
2416 skb->pkt_type = PACKET_HOST;
2418 case QETH_CAST_MULTICAST:
2419 skb->pkt_type = PACKET_MULTICAST;
2420 card->stats.multicast++;
2422 case QETH_CAST_BROADCAST:
2423 skb->pkt_type = PACKET_BROADCAST;
2424 card->stats.multicast++;
2426 case QETH_CAST_ANYCAST:
2427 case QETH_CAST_NOCAST:
2429 skb->pkt_type = PACKET_HOST;
2431 qeth_rebuild_skb_vlan(card, skb, hdr);
2432 if (card->options.fake_ll)
2433 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2435 skb->mac.raw = skb->data;
2436 skb->ip_summed = card->options.checksum_type;
2437 if (card->options.checksum_type == HW_CHECKSUMMING){
2438 if ( (hdr->hdr.l3.ext_flags &
2439 (QETH_HDR_EXT_CSUM_HDR_REQ |
2440 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2441 (QETH_HDR_EXT_CSUM_HDR_REQ |
2442 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2443 skb->ip_summed = CHECKSUM_UNNECESSARY;
2445 skb->ip_summed = SW_CHECKSUMMING;
2450 qeth_process_inbound_buffer(struct qeth_card *card,
2451 struct qeth_qdio_buffer *buf, int index)
2453 struct qdio_buffer_element *element;
2454 struct sk_buff *skb;
2455 struct qeth_hdr *hdr;
2460 /* get first element of current buffer */
2461 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2463 #ifdef CONFIG_QETH_PERF_STATS
2464 card->perf_stats.bufs_rec++;
2466 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2468 skb->dev = card->dev;
2469 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2470 vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
2472 qeth_rebuild_skb(card, skb, hdr);
2473 /* is device UP ? */
2474 if (!(card->dev->flags & IFF_UP)){
2475 dev_kfree_skb_any(skb);
2478 #ifdef CONFIG_QETH_VLAN
2480 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2483 rxrc = netif_rx(skb);
2484 card->dev->last_rx = jiffies;
2485 card->stats.rx_packets++;
2486 card->stats.rx_bytes += skb->len;
2490 static inline struct qeth_buffer_pool_entry *
2491 qeth_get_buffer_pool_entry(struct qeth_card *card)
2493 struct qeth_buffer_pool_entry *entry;
2495 QETH_DBF_TEXT(trace, 6, "gtbfplen");
2496 if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2497 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2498 struct qeth_buffer_pool_entry, list);
2499 list_del_init(&entry->list);
2506 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2508 struct qeth_buffer_pool_entry *pool_entry;
2511 pool_entry = qeth_get_buffer_pool_entry(card);
2513 * since the buffer is accessed only from the input_tasklet
2514 * there shouldn't be a need to synchronize; also, since we use
2515 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2518 BUG_ON(!pool_entry);
2520 buf->pool_entry = pool_entry;
2521 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2522 buf->buffer->element[i].length = PAGE_SIZE;
2523 buf->buffer->element[i].addr = pool_entry->elements[i];
2524 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2525 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2527 buf->buffer->element[i].flags = 0;
2529 buf->state = QETH_QDIO_BUF_EMPTY;
2533 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2534 struct qeth_qdio_out_buffer *buf)
2537 struct sk_buff *skb;
2539 /* is PCI flag set on buffer? */
2540 if (buf->buffer->element[0].flags & 0x40)
2541 atomic_dec(&queue->set_pci_flags_count);
2543 while ((skb = skb_dequeue(&buf->skb_list))){
2544 atomic_dec(&skb->users);
2545 dev_kfree_skb_any(skb);
2547 qeth_eddp_buf_release_contexts(buf);
2548 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2549 buf->buffer->element[i].length = 0;
2550 buf->buffer->element[i].addr = NULL;
2551 buf->buffer->element[i].flags = 0;
2553 buf->next_element_to_fill = 0;
2554 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2558 qeth_queue_input_buffer(struct qeth_card *card, int index)
2560 struct qeth_qdio_q *queue = card->qdio.in_q;
2565 QETH_DBF_TEXT(trace,6,"queinbuf");
2566 count = (index < queue->next_buf_to_init)?
2567 card->qdio.in_buf_pool.buf_count -
2568 (queue->next_buf_to_init - index) :
2569 card->qdio.in_buf_pool.buf_count -
2570 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2571 /* only requeue at a certain threshold to avoid SIGAs */
2572 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2573 for (i = queue->next_buf_to_init;
2574 i < queue->next_buf_to_init + count; ++i)
2575 qeth_init_input_buffer(card,
2576 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2578 * according to old code it should be avoided to requeue all
2579 * 128 buffers in order to benefit from PCI avoidance.
2580 * this function keeps at least one buffer (the buffer at
2581 * 'index') un-requeued -> this buffer is the first buffer that
2582 * will be requeued the next time
2584 #ifdef CONFIG_QETH_PERF_STATS
2585 card->perf_stats.inbound_do_qdio_cnt++;
2586 card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros();
2588 rc = do_QDIO(CARD_DDEV(card),
2589 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2590 0, queue->next_buf_to_init, count, NULL);
2591 #ifdef CONFIG_QETH_PERF_STATS
2592 card->perf_stats.inbound_do_qdio_time += qeth_get_micros() -
2593 card->perf_stats.inbound_do_qdio_start_time;
2596 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2597 "return %i (device %s).\n",
2598 rc, CARD_DDEV_ID(card));
2599 QETH_DBF_TEXT(trace,2,"qinberr");
2600 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2602 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2603 QDIO_MAX_BUFFERS_PER_Q;
2608 qeth_put_buffer_pool_entry(struct qeth_card *card,
2609 struct qeth_buffer_pool_entry *entry)
2611 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2612 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2616 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2617 unsigned int qdio_err, unsigned int siga_err,
2618 unsigned int queue, int first_element, int count,
2619 unsigned long card_ptr)
2621 struct net_device *net_dev;
2622 struct qeth_card *card;
2623 struct qeth_qdio_buffer *buffer;
2627 QETH_DBF_TEXT(trace, 6, "qdinput");
2628 card = (struct qeth_card *) card_ptr;
2629 net_dev = card->dev;
2630 #ifdef CONFIG_QETH_PERF_STATS
2631 card->perf_stats.inbound_cnt++;
2632 card->perf_stats.inbound_start_time = qeth_get_micros();
2634 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2635 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2636 QETH_DBF_TEXT(trace, 1,"qdinchk");
2637 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2638 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2639 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2640 qeth_schedule_recovery(card);
2644 for (i = first_element; i < (first_element + count); ++i) {
2645 index = i % QDIO_MAX_BUFFERS_PER_Q;
2646 buffer = &card->qdio.in_q->bufs[index];
2647 if (!((status == QDIO_STATUS_LOOK_FOR_ERROR) &&
2648 qeth_check_for_inbound_error(buffer, qdio_err, siga_err)))
2649 qeth_process_inbound_buffer(card, buffer, index);
2650 /* clear buffer and give back to hardware */
2651 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2652 qeth_queue_input_buffer(card, index);
2654 #ifdef CONFIG_QETH_PERF_STATS
2655 card->perf_stats.inbound_time += qeth_get_micros() -
2656 card->perf_stats.inbound_start_time;
2661 qeth_handle_send_error(struct qeth_card *card,
2662 struct qeth_qdio_out_buffer *buffer,
2663 int qdio_err, int siga_err)
2665 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2666 int cc = siga_err & 3;
2668 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2672 QETH_DBF_TEXT(trace, 1,"lnkfail");
2673 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2674 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2675 (u16)qdio_err, (u8)sbalf15);
2676 return QETH_SEND_ERROR_LINK_FAILURE;
2678 return QETH_SEND_ERROR_NONE;
2680 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2681 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2682 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2683 return QETH_SEND_ERROR_KICK_IT;
2685 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2686 return QETH_SEND_ERROR_RETRY;
2687 return QETH_SEND_ERROR_LINK_FAILURE;
2688 /* look at qdio_error and sbalf 15 */
2690 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2691 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2692 return QETH_SEND_ERROR_LINK_FAILURE;
2694 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2695 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2696 return QETH_SEND_ERROR_KICK_IT;
2698 return QETH_SEND_ERROR_LINK_FAILURE;
2702 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2703 int index, int count)
2705 struct qeth_qdio_out_buffer *buf;
2709 QETH_DBF_TEXT(trace, 6, "flushbuf");
2711 for (i = index; i < index + count; ++i) {
2712 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2713 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2714 SBAL_FLAGS_LAST_ENTRY;
2716 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2719 if (!queue->do_pack){
2720 if ((atomic_read(&queue->used_buffers) >=
2721 (QETH_HIGH_WATERMARK_PACK -
2722 QETH_WATERMARK_PACK_FUZZ)) &&
2723 !atomic_read(&queue->set_pci_flags_count)){
2724 /* it's likely that we'll go to packing
2726 atomic_inc(&queue->set_pci_flags_count);
2727 buf->buffer->element[0].flags |= 0x40;
2730 if (!atomic_read(&queue->set_pci_flags_count)){
2732 * there's no outstanding PCI any more, so we
2733 * have to request a PCI to be sure the the PCI
2734 * will wake at some time in the future then we
2735 * can flush packed buffers that might still be
2736 * hanging around, which can happen if no
2737 * further send was requested by the stack
2739 atomic_inc(&queue->set_pci_flags_count);
2740 buf->buffer->element[0].flags |= 0x40;
2745 queue->card->dev->trans_start = jiffies;
2746 #ifdef CONFIG_QETH_PERF_STATS
2747 queue->card->perf_stats.outbound_do_qdio_cnt++;
2748 queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros();
2751 rc = do_QDIO(CARD_DDEV(queue->card),
2752 QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2753 queue->queue_no, index, count, NULL);
2755 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2756 queue->queue_no, index, count, NULL);
2757 #ifdef CONFIG_QETH_PERF_STATS
2758 queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() -
2759 queue->card->perf_stats.outbound_do_qdio_start_time;
2762 QETH_DBF_SPRINTF(trace, 0, "qeth_flush_buffers: do_QDIO "
2763 "returned error (%i) on device %s.",
2764 rc, CARD_DDEV_ID(queue->card));
2765 QETH_DBF_TEXT(trace, 2, "flushbuf");
2766 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2767 queue->card->stats.tx_errors += count;
2768 /* this must not happen under normal circumstances. if it
2769 * happens something is really wrong -> recover */
2770 qeth_schedule_recovery(queue->card);
2773 atomic_add(count, &queue->used_buffers);
2774 #ifdef CONFIG_QETH_PERF_STATS
2775 queue->card->perf_stats.bufs_sent += count;
2780 * Switched to packing state if the number of used buffers on a queue
2781 * reaches a certain limit.
2784 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2786 if (!queue->do_pack) {
2787 if (atomic_read(&queue->used_buffers)
2788 >= QETH_HIGH_WATERMARK_PACK){
2789 /* switch non-PACKING -> PACKING */
2790 QETH_DBF_TEXT(trace, 6, "np->pack");
2791 #ifdef CONFIG_QETH_PERF_STATS
2792 queue->card->perf_stats.sc_dp_p++;
2800 * Switches from packing to non-packing mode. If there is a packing
2801 * buffer on the queue this buffer will be prepared to be flushed.
2802 * In that case 1 is returned to inform the caller. If no buffer
2803 * has to be flushed, zero is returned.
2806 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2808 struct qeth_qdio_out_buffer *buffer;
2809 int flush_count = 0;
2811 if (queue->do_pack) {
2812 if (atomic_read(&queue->used_buffers)
2813 <= QETH_LOW_WATERMARK_PACK) {
2814 /* switch PACKING -> non-PACKING */
2815 QETH_DBF_TEXT(trace, 6, "pack->np");
2816 #ifdef CONFIG_QETH_PERF_STATS
2817 queue->card->perf_stats.sc_p_dp++;
2820 /* flush packing buffers */
2821 buffer = &queue->bufs[queue->next_buf_to_fill];
2822 if ((atomic_read(&buffer->state) ==
2823 QETH_QDIO_BUF_EMPTY) &&
2824 (buffer->next_element_to_fill > 0)) {
2825 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2827 queue->next_buf_to_fill =
2828 (queue->next_buf_to_fill + 1) %
2829 QDIO_MAX_BUFFERS_PER_Q;
2837 * Called to flush a packing buffer if no more pci flags are on the queue.
2838 * Checks if there is a packing buffer and prepares it to be flushed.
2839 * In that case returns 1, otherwise zero.
2842 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2844 struct qeth_qdio_out_buffer *buffer;
2846 buffer = &queue->bufs[queue->next_buf_to_fill];
2847 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2848 (buffer->next_element_to_fill > 0)){
2849 /* it's a packing buffer */
2850 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2851 queue->next_buf_to_fill =
2852 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2859 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2863 int q_was_packing = 0;
2866 * check if weed have to switch to non-packing mode or if
2867 * we have to get a pci flag out on the queue
2869 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2870 !atomic_read(&queue->set_pci_flags_count)){
2871 if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2872 QETH_OUT_Q_UNLOCKED) {
2874 * If we get in here, there was no action in
2875 * do_send_packet. So, we check if there is a
2876 * packing buffer to be flushed here.
2878 netif_stop_queue(queue->card->dev);
2879 index = queue->next_buf_to_fill;
2880 q_was_packing = queue->do_pack;
2881 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
2883 !atomic_read(&queue->set_pci_flags_count))
2885 qeth_flush_buffers_on_no_pci(queue);
2886 #ifdef CONFIG_QETH_PERF_STATS
2888 queue->card->perf_stats.bufs_sent_pack +=
2892 qeth_flush_buffers(queue, 1, index, flush_cnt);
2893 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
2899 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
2900 unsigned int qdio_error, unsigned int siga_error,
2901 unsigned int __queue, int first_element, int count,
2902 unsigned long card_ptr)
2904 struct qeth_card *card = (struct qeth_card *) card_ptr;
2905 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
2906 struct qeth_qdio_out_buffer *buffer;
2909 QETH_DBF_TEXT(trace, 6, "qdouhdl");
2910 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2911 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2912 QETH_DBF_SPRINTF(trace, 2, "On device %s: "
2913 "received active check "
2914 "condition (0x%08x).",
2915 CARD_BUS_ID(card), status);
2916 QETH_DBF_TEXT(trace, 2, "chkcond");
2917 QETH_DBF_TEXT_(trace, 2, "%08x", status);
2918 netif_stop_queue(card->dev);
2919 qeth_schedule_recovery(card);
2923 #ifdef CONFIG_QETH_PERF_STATS
2924 card->perf_stats.outbound_handler_cnt++;
2925 card->perf_stats.outbound_handler_start_time = qeth_get_micros();
2927 for(i = first_element; i < (first_element + count); ++i){
2928 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2929 /*we only handle the KICK_IT error by doing a recovery */
2930 if (qeth_handle_send_error(card, buffer, qdio_error, siga_error)
2931 == QETH_SEND_ERROR_KICK_IT){
2932 netif_stop_queue(card->dev);
2933 qeth_schedule_recovery(card);
2936 qeth_clear_output_buffer(queue, buffer);
2938 atomic_sub(count, &queue->used_buffers);
2939 /* check if we need to do something on this outbound queue */
2940 if (card->info.type != QETH_CARD_TYPE_IQD)
2941 qeth_check_outbound_queue(queue);
2943 netif_wake_queue(queue->card->dev);
2944 #ifdef CONFIG_QETH_PERF_STATS
2945 card->perf_stats.outbound_handler_time += qeth_get_micros() -
2946 card->perf_stats.outbound_handler_start_time;
2951 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
2954 param_field[0] = _ascebc['P'];
2955 param_field[1] = _ascebc['C'];
2956 param_field[2] = _ascebc['I'];
2957 param_field[3] = _ascebc['T'];
2958 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
2959 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
2960 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
2964 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
2966 param_field[16] = _ascebc['B'];
2967 param_field[17] = _ascebc['L'];
2968 param_field[18] = _ascebc['K'];
2969 param_field[19] = _ascebc['T'];
2970 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
2971 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
2972 *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo;
2976 qeth_initialize_working_pool_list(struct qeth_card *card)
2978 struct qeth_buffer_pool_entry *entry;
2980 QETH_DBF_TEXT(trace,5,"inwrklst");
2982 list_for_each_entry(entry,
2983 &card->qdio.init_pool.entry_list, init_list) {
2984 qeth_put_buffer_pool_entry(card,entry);
2989 qeth_clear_working_pool_list(struct qeth_card *card)
2991 struct qeth_buffer_pool_entry *pool_entry, *tmp;
2993 QETH_DBF_TEXT(trace,5,"clwrklst");
2994 list_for_each_entry_safe(pool_entry, tmp,
2995 &card->qdio.in_buf_pool.entry_list, list){
2996 list_del(&pool_entry->list);
3001 qeth_free_buffer_pool(struct qeth_card *card)
3003 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3005 QETH_DBF_TEXT(trace,5,"freepool");
3006 list_for_each_entry_safe(pool_entry, tmp,
3007 &card->qdio.init_pool.entry_list, init_list){
3008 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3009 free_page((unsigned long)pool_entry->elements[i]);
3010 list_del(&pool_entry->init_list);
3016 qeth_alloc_buffer_pool(struct qeth_card *card)
3018 struct qeth_buffer_pool_entry *pool_entry;
3022 QETH_DBF_TEXT(trace,5,"alocpool");
3023 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3024 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3026 qeth_free_buffer_pool(card);
3029 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3030 ptr = (void *) __get_free_page(GFP_KERNEL);
3033 free_page((unsigned long)
3034 pool_entry->elements[--j]);
3036 qeth_free_buffer_pool(card);
3039 pool_entry->elements[j] = ptr;
3041 list_add(&pool_entry->init_list,
3042 &card->qdio.init_pool.entry_list);
3048 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3050 QETH_DBF_TEXT(trace, 2, "realcbp");
3052 if ((card->state != CARD_STATE_DOWN) &&
3053 (card->state != CARD_STATE_RECOVER))
3056 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3057 qeth_clear_working_pool_list(card);
3058 qeth_free_buffer_pool(card);
3059 card->qdio.in_buf_pool.buf_count = bufcnt;
3060 card->qdio.init_pool.buf_count = bufcnt;
3061 return qeth_alloc_buffer_pool(card);
3065 qeth_alloc_qdio_buffers(struct qeth_card *card)
3069 QETH_DBF_TEXT(setup, 2, "allcqdbf");
3071 if (card->qdio.state == QETH_QDIO_ALLOCATED)
3074 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), GFP_KERNEL);
3075 if (!card->qdio.in_q)
3077 QETH_DBF_TEXT(setup, 2, "inq");
3078 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3079 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3080 /* give inbound qeth_qdio_buffers their qdio_buffers */
3081 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3082 card->qdio.in_q->bufs[i].buffer =
3083 &card->qdio.in_q->qdio_bufs[i];
3084 /* inbound buffer pool */
3085 if (qeth_alloc_buffer_pool(card)){
3086 kfree(card->qdio.in_q);
3091 kmalloc(card->qdio.no_out_queues *
3092 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3093 if (!card->qdio.out_qs){
3094 qeth_free_buffer_pool(card);
3097 for (i = 0; i < card->qdio.no_out_queues; ++i){
3098 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3100 if (!card->qdio.out_qs[i]){
3102 kfree(card->qdio.out_qs[--i]);
3103 kfree(card->qdio.out_qs);
3106 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3107 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3108 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3109 card->qdio.out_qs[i]->queue_no = i;
3110 /* give outbound qeth_qdio_buffers their qdio_buffers */
3111 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3112 card->qdio.out_qs[i]->bufs[j].buffer =
3113 &card->qdio.out_qs[i]->qdio_bufs[j];
3114 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3116 INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3119 card->qdio.state = QETH_QDIO_ALLOCATED;
3124 qeth_free_qdio_buffers(struct qeth_card *card)
3128 QETH_DBF_TEXT(trace, 2, "freeqdbf");
3129 if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
3131 kfree(card->qdio.in_q);
3132 /* inbound buffer pool */
3133 qeth_free_buffer_pool(card);
3134 /* free outbound qdio_qs */
3135 for (i = 0; i < card->qdio.no_out_queues; ++i){
3136 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3137 qeth_clear_output_buffer(card->qdio.out_qs[i],
3138 &card->qdio.out_qs[i]->bufs[j]);
3139 kfree(card->qdio.out_qs[i]);
3141 kfree(card->qdio.out_qs);
3142 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3146 qeth_clear_qdio_buffers(struct qeth_card *card)
3150 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3151 /* clear outbound buffers to free skbs */
3152 for (i = 0; i < card->qdio.no_out_queues; ++i)
3153 if (card->qdio.out_qs[i]){
3154 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3155 qeth_clear_output_buffer(card->qdio.out_qs[i],
3156 &card->qdio.out_qs[i]->bufs[j]);
3161 qeth_init_qdio_info(struct qeth_card *card)
3163 QETH_DBF_TEXT(setup, 4, "intqdinf");
3164 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3166 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3167 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3168 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3169 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3170 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3172 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
3173 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
3177 qeth_init_qdio_queues(struct qeth_card *card)
3182 QETH_DBF_TEXT(setup, 2, "initqdqs");
3185 memset(card->qdio.in_q->qdio_bufs, 0,
3186 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3187 qeth_initialize_working_pool_list(card);
3188 /*give only as many buffers to hardware as we have buffer pool entries*/
3189 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3190 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3191 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3192 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3193 card->qdio.in_buf_pool.buf_count - 1, NULL);
3195 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3198 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3200 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3203 /* outbound queue */
3204 for (i = 0; i < card->qdio.no_out_queues; ++i){
3205 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3206 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3207 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3208 qeth_clear_output_buffer(card->qdio.out_qs[i],
3209 &card->qdio.out_qs[i]->bufs[j]);
3211 card->qdio.out_qs[i]->card = card;
3212 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3213 card->qdio.out_qs[i]->do_pack = 0;
3214 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3215 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3216 atomic_set(&card->qdio.out_qs[i]->state,
3217 QETH_OUT_Q_UNLOCKED);
3223 qeth_qdio_establish(struct qeth_card *card)
3225 struct qdio_initialize init_data;
3226 char *qib_param_field;
3227 struct qdio_buffer **in_sbal_ptrs;
3228 struct qdio_buffer **out_sbal_ptrs;
3232 QETH_DBF_TEXT(setup, 2, "qdioest");
3234 qib_param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3236 if (!qib_param_field)
3239 memset(qib_param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char));
3241 qeth_create_qib_param_field(card, qib_param_field);
3242 qeth_create_qib_param_field_blkt(card, qib_param_field);
3244 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3246 if (!in_sbal_ptrs) {
3247 kfree(qib_param_field);
3250 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3251 in_sbal_ptrs[i] = (struct qdio_buffer *)
3252 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3255 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3256 sizeof(void *), GFP_KERNEL);
3257 if (!out_sbal_ptrs) {
3258 kfree(in_sbal_ptrs);
3259 kfree(qib_param_field);
3262 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3263 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3264 out_sbal_ptrs[k] = (struct qdio_buffer *)
3265 virt_to_phys(card->qdio.out_qs[i]->
3269 memset(&init_data, 0, sizeof(struct qdio_initialize));
3270 init_data.cdev = CARD_DDEV(card);
3271 init_data.q_format = qeth_get_qdio_q_format(card);
3272 init_data.qib_param_field_format = 0;
3273 init_data.qib_param_field = qib_param_field;
3274 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3275 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3276 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3277 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3278 init_data.no_input_qs = 1;
3279 init_data.no_output_qs = card->qdio.no_out_queues;
3280 init_data.input_handler = (qdio_handler_t *)
3281 qeth_qdio_input_handler;
3282 init_data.output_handler = (qdio_handler_t *)
3283 qeth_qdio_output_handler;
3284 init_data.int_parm = (unsigned long) card;
3285 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3286 QDIO_OUTBOUND_0COPY_SBALS |
3287 QDIO_USE_OUTBOUND_PCIS;
3288 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3289 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3291 if (!(rc = qdio_initialize(&init_data)))
3292 card->qdio.state = QETH_QDIO_ESTABLISHED;
3294 kfree(out_sbal_ptrs);
3295 kfree(in_sbal_ptrs);
3296 kfree(qib_param_field);
3301 qeth_qdio_activate(struct qeth_card *card)
3303 QETH_DBF_TEXT(setup,3,"qdioact");
3304 return qdio_activate(CARD_DDEV(card), 0);
3308 qeth_clear_channel(struct qeth_channel *channel)
3310 unsigned long flags;
3311 struct qeth_card *card;
3314 QETH_DBF_TEXT(trace,3,"clearch");
3315 card = CARD_FROM_CDEV(channel->ccwdev);
3316 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3317 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3318 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3322 rc = wait_event_interruptible_timeout(card->wait_q,
3323 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3324 if (rc == -ERESTARTSYS)
3326 if (channel->state != CH_STATE_STOPPED)
3328 channel->state = CH_STATE_DOWN;
3333 qeth_halt_channel(struct qeth_channel *channel)
3335 unsigned long flags;
3336 struct qeth_card *card;
3339 QETH_DBF_TEXT(trace,3,"haltch");
3340 card = CARD_FROM_CDEV(channel->ccwdev);
3341 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3342 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3343 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3347 rc = wait_event_interruptible_timeout(card->wait_q,
3348 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3349 if (rc == -ERESTARTSYS)
3351 if (channel->state != CH_STATE_HALTED)
3357 qeth_halt_channels(struct qeth_card *card)
3361 QETH_DBF_TEXT(trace,3,"haltchs");
3362 if ((rc = qeth_halt_channel(&card->read)))
3364 if ((rc = qeth_halt_channel(&card->write)))
3366 return qeth_halt_channel(&card->data);
3369 qeth_clear_channels(struct qeth_card *card)
3373 QETH_DBF_TEXT(trace,3,"clearchs");
3374 if ((rc = qeth_clear_channel(&card->read)))
3376 if ((rc = qeth_clear_channel(&card->write)))
3378 return qeth_clear_channel(&card->data);
3382 qeth_clear_halt_card(struct qeth_card *card, int halt)
3386 QETH_DBF_TEXT(trace,3,"clhacrd");
3387 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3390 rc = qeth_halt_channels(card);
3393 return qeth_clear_channels(card);
3397 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3401 QETH_DBF_TEXT(trace,3,"qdioclr");
3402 if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3403 if ((rc = qdio_cleanup(CARD_DDEV(card),
3404 (card->info.type == QETH_CARD_TYPE_IQD) ?
3405 QDIO_FLAG_CLEANUP_USING_HALT :
3406 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3407 QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3408 card->qdio.state = QETH_QDIO_ALLOCATED;
3410 if ((rc = qeth_clear_halt_card(card, use_halt)))
3411 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3412 card->state = CARD_STATE_DOWN;
3417 qeth_dm_act(struct qeth_card *card)
3420 struct qeth_cmd_buffer *iob;
3422 QETH_DBF_TEXT(setup,2,"dmact");
3424 iob = qeth_wait_for_buffer(&card->write);
3425 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3427 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3428 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3429 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3430 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3431 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3436 qeth_mpc_initialize(struct qeth_card *card)
3440 QETH_DBF_TEXT(setup,2,"mpcinit");
3442 if ((rc = qeth_issue_next_read(card))){
3443 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3446 if ((rc = qeth_cm_enable(card))){
3447 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3450 if ((rc = qeth_cm_setup(card))){
3451 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3454 if ((rc = qeth_ulp_enable(card))){
3455 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3458 if ((rc = qeth_ulp_setup(card))){
3459 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3462 if ((rc = qeth_alloc_qdio_buffers(card))){
3463 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3466 if ((rc = qeth_qdio_establish(card))){
3467 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3468 qeth_free_qdio_buffers(card);
3471 if ((rc = qeth_qdio_activate(card))){
3472 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3475 if ((rc = qeth_dm_act(card))){
3476 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3482 qeth_qdio_clear_card(card, card->info.type==QETH_CARD_TYPE_OSAE);
3486 static struct net_device *
3487 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3489 struct net_device *dev = NULL;
3492 case QETH_CARD_TYPE_OSAE:
3494 case QETH_LINK_TYPE_LANE_TR:
3495 case QETH_LINK_TYPE_HSTR:
3497 dev = alloc_trdev(0);
3498 #endif /* CONFIG_TR */
3501 dev = alloc_etherdev(0);
3504 case QETH_CARD_TYPE_IQD:
3505 dev = alloc_netdev(0, "hsi%d", ether_setup);
3508 dev = alloc_etherdev(0);
3513 /*hard_header fake function; used in case fake_ll is set */
3515 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3516 unsigned short type, void *daddr, void *saddr,
3519 if(dev->type == ARPHRD_IEEE802_TR){
3520 struct trh_hdr *hdr;
3521 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3522 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3523 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3524 return QETH_FAKE_LL_LEN_TR;
3528 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3529 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3530 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3531 if (type != ETH_P_802_3)
3532 hdr->h_proto = htons(type);
3534 hdr->h_proto = htons(len);
3535 return QETH_FAKE_LL_LEN_ETH;
3541 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3544 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3547 struct qeth_card *card;
3549 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3550 card = (struct qeth_card *)dev->priv;
3552 card->stats.tx_dropped++;
3553 card->stats.tx_errors++;
3554 /* return OK; otherwise ksoftirqd goes to 100% */
3555 return NETDEV_TX_OK;
3557 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3558 card->stats.tx_dropped++;
3559 card->stats.tx_errors++;
3560 card->stats.tx_carrier_errors++;
3561 dev_kfree_skb_any(skb);
3562 /* return OK; otherwise ksoftirqd goes to 100% */
3563 return NETDEV_TX_OK;
3565 #ifdef CONFIG_QETH_PERF_STATS
3566 card->perf_stats.outbound_cnt++;
3567 card->perf_stats.outbound_start_time = qeth_get_micros();
3569 netif_stop_queue(dev);
3570 if ((rc = qeth_send_packet(card, skb))) {
3572 return NETDEV_TX_BUSY;
3574 card->stats.tx_errors++;
3575 card->stats.tx_dropped++;
3576 dev_kfree_skb_any(skb);
3577 /*set to OK; otherwise ksoftirqd goes to 100% */
3581 netif_wake_queue(dev);
3582 #ifdef CONFIG_QETH_PERF_STATS
3583 card->perf_stats.outbound_time += qeth_get_micros() -
3584 card->perf_stats.outbound_start_time;
3590 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3593 #ifdef CONFIG_QETH_VLAN
3594 struct vlan_group *vg;
3597 if (!(vg = card->vlangrp))
3600 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3601 if (vg->vlan_devices[i] == dev){
3602 rc = QETH_VLAN_CARD;
3611 qeth_verify_dev(struct net_device *dev)
3613 struct qeth_card *card;
3614 unsigned long flags;
3617 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3618 list_for_each_entry(card, &qeth_card_list.list, list){
3619 if (card->dev == dev){
3620 rc = QETH_REAL_CARD;
3623 rc = qeth_verify_vlan_dev(dev, card);
3627 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3632 static struct qeth_card *
3633 qeth_get_card_from_dev(struct net_device *dev)
3635 struct qeth_card *card = NULL;
3638 rc = qeth_verify_dev(dev);
3639 if (rc == QETH_REAL_CARD)
3640 card = (struct qeth_card *)dev->priv;
3641 else if (rc == QETH_VLAN_CARD)
3642 card = (struct qeth_card *)
3643 VLAN_DEV_INFO(dev)->real_dev->priv;
3645 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3650 qeth_tx_timeout(struct net_device *dev)
3652 struct qeth_card *card;
3654 card = (struct qeth_card *) dev->priv;
3655 card->stats.tx_errors++;
3656 qeth_schedule_recovery(card);
3660 qeth_open(struct net_device *dev)
3662 struct qeth_card *card;
3664 QETH_DBF_TEXT(trace, 4, "qethopen");
3666 card = (struct qeth_card *) dev->priv;
3668 if (card->state != CARD_STATE_SOFTSETUP)
3671 if ( (card->options.layer2) &&
3672 (!card->info.layer2_mac_registered)) {
3673 QETH_DBF_TEXT(trace,4,"nomacadr");
3676 card->dev->flags |= IFF_UP;
3677 netif_start_queue(dev);
3678 card->data.state = CH_STATE_UP;
3679 card->state = CARD_STATE_UP;
3681 if (!card->lan_online){
3682 if (netif_carrier_ok(dev))
3683 netif_carrier_off(dev);
3689 qeth_stop(struct net_device *dev)
3691 struct qeth_card *card;
3693 QETH_DBF_TEXT(trace, 4, "qethstop");
3695 card = (struct qeth_card *) dev->priv;
3697 netif_stop_queue(dev);
3698 card->dev->flags &= ~IFF_UP;
3699 if (card->state == CARD_STATE_UP)
3700 card->state = CARD_STATE_SOFTSETUP;
3705 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3707 int cast_type = RTN_UNSPEC;
3709 if (skb->dst && skb->dst->neighbour){
3710 cast_type = skb->dst->neighbour->type;
3711 if ((cast_type == RTN_BROADCAST) ||
3712 (cast_type == RTN_MULTICAST) ||
3713 (cast_type == RTN_ANYCAST))
3718 /* try something else */
3719 if (skb->protocol == ETH_P_IPV6)
3720 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3721 else if (skb->protocol == ETH_P_IP)
3722 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3724 if (!memcmp(skb->data, skb->dev->broadcast, 6))
3725 return RTN_BROADCAST;
3729 hdr_mac = *((u16 *)skb->data);
3731 switch (card->info.link_type) {
3732 case QETH_LINK_TYPE_HSTR:
3733 case QETH_LINK_TYPE_LANE_TR:
3734 if ((hdr_mac == QETH_TR_MAC_NC) ||
3735 (hdr_mac == QETH_TR_MAC_C))
3736 return RTN_MULTICAST;
3737 /* eth or so multicast? */
3739 if ((hdr_mac == QETH_ETH_MAC_V4) ||
3740 (hdr_mac == QETH_ETH_MAC_V6))
3741 return RTN_MULTICAST;
3748 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3749 int ipv, int cast_type)
3751 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3752 return card->qdio.default_out_queue;
3753 switch (card->qdio.no_out_queues) {
3755 if (cast_type && card->info.is_multicast_different)
3756 return card->info.is_multicast_different &
3757 (card->qdio.no_out_queues - 1);
3758 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3759 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3760 if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT)
3762 if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY)
3764 if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT)
3766 if (skb->nh.iph->tos & IP_TOS_LOWDELAY)
3769 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3770 return 3 - (skb->nh.iph->tos >> 6);
3771 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3774 return card->qdio.default_out_queue;
3775 case 1: /* fallthrough for single-out-queue 1920-device */
3777 return card->qdio.default_out_queue;
3782 qeth_get_ip_version(struct sk_buff *skb)
3784 switch (skb->protocol) {
3795 qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
3796 struct qeth_hdr **hdr, int ipv)
3798 #ifdef CONFIG_QETH_VLAN
3802 QETH_DBF_TEXT(trace, 6, "prepskb");
3804 #ifdef CONFIG_QETH_VLAN
3805 if (card->vlangrp && vlan_tx_tag_present(*skb) &&
3806 ((ipv == 6) || card->options.layer2) ) {
3808 * Move the mac addresses (6 bytes src, 6 bytes dest)
3809 * to the beginning of the new header. We are using three
3810 * memcpys instead of one memmove to save cycles.
3812 skb_push(*skb, VLAN_HLEN);
3813 memcpy((*skb)->data, (*skb)->data + 4, 4);
3814 memcpy((*skb)->data + 4, (*skb)->data + 8, 4);
3815 memcpy((*skb)->data + 8, (*skb)->data + 12, 4);
3816 tag = (u16 *)((*skb)->data + 12);
3818 * first two bytes = ETH_P_8021Q (0x8100)
3819 * second two bytes = VLANID
3821 *tag = __constant_htons(ETH_P_8021Q);
3822 *(tag + 1) = htons(vlan_tx_tag_get(*skb));
3825 *hdr = (struct qeth_hdr *)
3826 qeth_push_skb(card, skb, sizeof(struct qeth_hdr));
3833 qeth_get_qeth_hdr_flags4(int cast_type)
3835 if (cast_type == RTN_MULTICAST)
3836 return QETH_CAST_MULTICAST;
3837 if (cast_type == RTN_BROADCAST)
3838 return QETH_CAST_BROADCAST;
3839 return QETH_CAST_UNICAST;
3843 qeth_get_qeth_hdr_flags6(int cast_type)
3845 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3846 if (cast_type == RTN_MULTICAST)
3847 return ct | QETH_CAST_MULTICAST;
3848 if (cast_type == RTN_ANYCAST)
3849 return ct | QETH_CAST_ANYCAST;
3850 if (cast_type == RTN_BROADCAST)
3851 return ct | QETH_CAST_BROADCAST;
3852 return ct | QETH_CAST_UNICAST;
3856 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
3857 struct sk_buff *skb)
3861 if (!memcmp(skb->data+QETH_HEADER_SIZE,
3862 skb->dev->broadcast,6)) { /* broadcast? */
3863 *(__u32 *)hdr->hdr.l2.flags |=
3864 QETH_LAYER2_FLAG_BROADCAST << 8;
3867 hdr_mac=*((__u16*)skb->data);
3869 switch (card->info.link_type) {
3870 case QETH_LINK_TYPE_HSTR:
3871 case QETH_LINK_TYPE_LANE_TR:
3872 if ((hdr_mac == QETH_TR_MAC_NC) ||
3873 (hdr_mac == QETH_TR_MAC_C) )
3874 *(__u32 *)hdr->hdr.l2.flags |=
3875 QETH_LAYER2_FLAG_MULTICAST << 8;
3877 *(__u32 *)hdr->hdr.l2.flags |=
3878 QETH_LAYER2_FLAG_UNICAST << 8;
3880 /* eth or so multicast? */
3882 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
3883 (hdr_mac==QETH_ETH_MAC_V6) )
3884 *(__u32 *)hdr->hdr.l2.flags |=
3885 QETH_LAYER2_FLAG_MULTICAST << 8;
3887 *(__u32 *)hdr->hdr.l2.flags |=
3888 QETH_LAYER2_FLAG_UNICAST << 8;
3893 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
3894 struct sk_buff *skb, int cast_type)
3896 memset(hdr, 0, sizeof(struct qeth_hdr));
3897 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
3899 /* set byte 0 to "0x02" and byte 3 to casting flags */
3900 if (cast_type==RTN_MULTICAST)
3901 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
3902 else if (cast_type==RTN_BROADCAST)
3903 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
3905 qeth_layer2_get_packet_type(card, hdr, skb);
3907 hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
3908 #ifdef CONFIG_QETH_VLAN
3909 /* VSWITCH relies on the VLAN
3910 * information to be present in
3911 * the QDIO header */
3912 if ((card->vlangrp != NULL) &&
3913 vlan_tx_tag_present(skb)) {
3914 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
3915 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
3921 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
3922 struct sk_buff *skb, int ipv, int cast_type)
3924 QETH_DBF_TEXT(trace, 6, "fillhdr");
3926 memset(hdr, 0, sizeof(struct qeth_hdr));
3927 if (card->options.layer2) {
3928 qeth_layer2_fill_header(card, hdr, skb, cast_type);
3931 hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
3932 hdr->hdr.l3.ext_flags = 0;
3933 #ifdef CONFIG_QETH_VLAN
3935 * before we're going to overwrite this location with next hop ip.
3936 * v6 uses passthrough, v4 sets the tag in the QDIO header.
3938 if (card->vlangrp && vlan_tx_tag_present(skb)) {
3939 hdr->hdr.l3.ext_flags = (ipv == 4) ?
3940 QETH_HDR_EXT_VLAN_FRAME :
3941 QETH_HDR_EXT_INCLUDE_VLAN_TAG;
3942 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
3944 #endif /* CONFIG_QETH_VLAN */
3945 hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
3946 if (ipv == 4) { /* IPv4 */
3947 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
3948 memset(hdr->hdr.l3.dest_addr, 0, 12);
3949 if ((skb->dst) && (skb->dst->neighbour)) {
3950 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
3951 *((u32 *) skb->dst->neighbour->primary_key);
3953 /* fill in destination address used in ip header */
3954 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
3956 } else if (ipv == 6) { /* IPv6 or passthru */
3957 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
3958 if ((skb->dst) && (skb->dst->neighbour)) {
3959 memcpy(hdr->hdr.l3.dest_addr,
3960 skb->dst->neighbour->primary_key, 16);
3962 /* fill in destination address used in ip header */
3963 memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
3965 } else { /* passthrough */
3966 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
3967 !memcmp(skb->data + sizeof(struct qeth_hdr) +
3968 sizeof(__u16), skb->dev->broadcast, 6)) {
3969 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
3971 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
3972 skb->dev->broadcast, 6)) { /* broadcast? */
3973 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
3976 hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
3977 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
3978 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
3984 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
3985 int is_tso, int *next_element_to_fill)
3987 int length = skb->len;
3993 element = *next_element_to_fill;
3995 first_lap = (is_tso == 0 ? 1 : 0);
3997 while (length > 0) {
3998 /* length_here is the remaining amount of data in this page */
3999 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4000 if (length < length_here)
4001 length_here = length;
4003 buffer->element[element].addr = data;
4004 buffer->element[element].length = length_here;
4005 length -= length_here;
4008 buffer->element[element].flags = 0;
4010 buffer->element[element].flags =
4011 SBAL_FLAGS_LAST_FRAG;
4014 buffer->element[element].flags =
4015 SBAL_FLAGS_FIRST_FRAG;
4017 buffer->element[element].flags =
4018 SBAL_FLAGS_MIDDLE_FRAG;
4020 data += length_here;
4024 *next_element_to_fill = element;
4028 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4029 struct qeth_qdio_out_buffer *buf,
4030 struct sk_buff *skb)
4032 struct qdio_buffer *buffer;
4033 struct qeth_hdr_tso *hdr;
4034 int flush_cnt = 0, hdr_len, large_send = 0;
4036 QETH_DBF_TEXT(trace, 6, "qdfillbf");
4038 buffer = buf->buffer;
4039 atomic_inc(&skb->users);
4040 skb_queue_tail(&buf->skb_list, skb);
4042 hdr = (struct qeth_hdr_tso *) skb->data;
4043 /*check first on TSO ....*/
4044 if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4045 int element = buf->next_element_to_fill;
4047 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4048 /*fill first buffer entry only with header information */
4049 buffer->element[element].addr = skb->data;
4050 buffer->element[element].length = hdr_len;
4051 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4052 buf->next_element_to_fill++;
4053 skb->data += hdr_len;
4054 skb->len -= hdr_len;
4057 if (skb_shinfo(skb)->nr_frags == 0)
4058 __qeth_fill_buffer(skb, buffer, large_send,
4059 (int *)&buf->next_element_to_fill);
4061 __qeth_fill_buffer_frag(skb, buffer, large_send,
4062 (int *)&buf->next_element_to_fill);
4064 if (!queue->do_pack) {
4065 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4066 /* set state to PRIMED -> will be flushed */
4067 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4070 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4071 #ifdef CONFIG_QETH_PERF_STATS
4072 queue->card->perf_stats.skbs_sent_pack++;
4074 if (buf->next_element_to_fill >=
4075 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4077 * packed buffer if full -> set state PRIMED
4078 * -> will be flushed
4080 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4088 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4089 struct sk_buff *skb, struct qeth_hdr *hdr,
4090 int elements_needed,
4091 struct qeth_eddp_context *ctx)
4093 struct qeth_qdio_out_buffer *buffer;
4094 int buffers_needed = 0;
4098 QETH_DBF_TEXT(trace, 6, "dosndpfa");
4100 /* spin until we get the queue ... */
4101 while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED,
4104 /* ... now we've got the queue */
4105 index = queue->next_buf_to_fill;
4106 buffer = &queue->bufs[queue->next_buf_to_fill];
4108 * check if buffer is empty to make sure that we do not 'overtake'
4109 * ourselves and try to fill a buffer that is already primed
4111 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4112 card->stats.tx_dropped++;
4113 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4117 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4118 QDIO_MAX_BUFFERS_PER_Q;
4120 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4121 if (buffers_needed < 0) {
4122 card->stats.tx_dropped++;
4123 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4126 queue->next_buf_to_fill =
4127 (queue->next_buf_to_fill + buffers_needed) %
4128 QDIO_MAX_BUFFERS_PER_Q;
4130 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4132 qeth_fill_buffer(queue, buffer, skb);
4133 qeth_flush_buffers(queue, 0, index, 1);
4135 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4136 WARN_ON(buffers_needed != flush_cnt);
4137 qeth_flush_buffers(queue, 0, index, flush_cnt);
4143 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4144 struct sk_buff *skb, struct qeth_hdr *hdr,
4145 int elements_needed, struct qeth_eddp_context *ctx)
4147 struct qeth_qdio_out_buffer *buffer;
4149 int flush_count = 0;
4154 QETH_DBF_TEXT(trace, 6, "dosndpkt");
4156 /* spin until we get the queue ... */
4157 while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED,
4160 start_index = queue->next_buf_to_fill;
4161 buffer = &queue->bufs[queue->next_buf_to_fill];
4163 * check if buffer is empty to make sure that we do not 'overtake'
4164 * ourselves and try to fill a buffer that is already primed
4166 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){
4167 card->stats.tx_dropped++;
4168 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4171 /* check if we need to switch packing state of this queue */
4172 qeth_switch_to_packing_if_needed(queue);
4173 if (queue->do_pack){
4176 /* does packet fit in current buffer? */
4177 if((QETH_MAX_BUFFER_ELEMENTS(card) -
4178 buffer->next_element_to_fill) < elements_needed){
4179 /* ... no -> set state PRIMED */
4180 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4182 queue->next_buf_to_fill =
4183 (queue->next_buf_to_fill + 1) %
4184 QDIO_MAX_BUFFERS_PER_Q;
4185 buffer = &queue->bufs[queue->next_buf_to_fill];
4186 /* we did a step forward, so check buffer state
4188 if (atomic_read(&buffer->state) !=
4189 QETH_QDIO_BUF_EMPTY){
4190 card->stats.tx_dropped++;
4191 qeth_flush_buffers(queue, 0, start_index, flush_count);
4192 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4197 /* check if we have enough elements (including following
4198 * free buffers) to handle eddp context */
4199 if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4200 printk("eddp tx_dropped 1\n");
4201 card->stats.tx_dropped++;
4208 tmp = qeth_fill_buffer(queue, buffer, skb);
4210 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4212 printk("eddp tx_dropped 2\n");
4213 card->stats.tx_dropped++;
4218 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4219 QDIO_MAX_BUFFERS_PER_Q;
4223 qeth_flush_buffers(queue, 0, start_index, flush_count);
4225 * queue->state will go from LOCKED -> UNLOCKED or from
4226 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4227 * (switch packing state or flush buffer to get another pci flag out).
4228 * In that case we will enter this loop
4230 while (atomic_dec_return(&queue->state)){
4232 start_index = queue->next_buf_to_fill;
4233 /* check if we can go back to non-packing state */
4234 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4236 * check if we need to flush a packing buffer to get a pci
4237 * flag out on the queue
4239 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4240 flush_count += qeth_flush_buffers_on_no_pci(queue);
4242 qeth_flush_buffers(queue, 0, start_index, flush_count);
4244 /* at this point the queue is UNLOCKED again */
4245 #ifdef CONFIG_QETH_PERF_STATS
4247 queue->card->perf_stats.bufs_sent_pack += flush_count;
4248 #endif /* CONFIG_QETH_PERF_STATS */
4254 qeth_get_elements_no(struct qeth_card *card, void *hdr, struct sk_buff *skb)
4256 int elements_needed = 0;
4258 if (skb_shinfo(skb)->nr_frags > 0) {
4259 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4261 if (elements_needed == 0 )
4262 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4263 + skb->len) >> PAGE_SHIFT);
4264 if (elements_needed > QETH_MAX_BUFFER_ELEMENTS(card)){
4265 PRINT_ERR("qeth_do_send_packet: invalid size of "
4266 "IP packet. Discarded.");
4269 return elements_needed;
4273 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4277 struct qeth_qdio_out_q *queue;
4278 struct qeth_hdr *hdr;
4279 int elements_needed = 0;
4280 enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4281 struct qeth_eddp_context *ctx = NULL;
4284 QETH_DBF_TEXT(trace, 6, "sendpkt");
4286 if (!card->options.layer2) {
4287 ipv = qeth_get_ip_version(skb);
4288 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4289 if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) {
4290 card->stats.tx_dropped++;
4291 dev_kfree_skb_irq(skb);
4294 if(card->dev->type == ARPHRD_IEEE802_TR){
4295 skb_pull(skb, QETH_FAKE_LL_LEN_TR);
4297 skb_pull(skb, QETH_FAKE_LL_LEN_ETH);
4301 cast_type = qeth_get_cast_type(card, skb);
4302 if ((cast_type == RTN_BROADCAST) && (card->info.broadcast_capable == 0)){
4303 card->stats.tx_dropped++;
4304 card->stats.tx_errors++;
4305 dev_kfree_skb_any(skb);
4306 return NETDEV_TX_OK;
4308 queue = card->qdio.out_qs
4309 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4311 if (skb_shinfo(skb)->tso_size)
4312 large_send = card->options.large_send;
4314 /*are we able to do TSO ? If so ,prepare and send it from here */
4315 if ((large_send == QETH_LARGE_SEND_TSO) &&
4316 (cast_type == RTN_UNSPEC)) {
4317 rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type);
4319 card->stats.tx_dropped++;
4320 card->stats.tx_errors++;
4321 dev_kfree_skb_any(skb);
4322 return NETDEV_TX_OK;
4326 if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) {
4327 QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc);
4330 qeth_fill_header(card, hdr, skb, ipv, cast_type);
4333 if (large_send == QETH_LARGE_SEND_EDDP) {
4334 ctx = qeth_eddp_create_context(card, skb, hdr);
4336 PRINT_WARN("could not create eddp context\n");
4340 elements_needed += qeth_get_elements_no(card,(void*) hdr, skb);
4341 if (!elements_needed)
4345 if (card->info.type != QETH_CARD_TYPE_IQD)
4346 rc = qeth_do_send_packet(card, queue, skb, hdr,
4347 elements_needed, ctx);
4349 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
4350 elements_needed, ctx);
4352 card->stats.tx_packets++;
4353 card->stats.tx_bytes += skb->len;
4354 #ifdef CONFIG_QETH_PERF_STATS
4355 if (skb_shinfo(skb)->tso_size &&
4356 !(large_send == QETH_LARGE_SEND_NO)) {
4357 card->perf_stats.large_send_bytes += skb->len;
4358 card->perf_stats.large_send_cnt++;
4360 if (skb_shinfo(skb)->nr_frags > 0){
4361 card->perf_stats.sg_skbs_sent++;
4362 /* nr_frags + skb->data */
4363 card->perf_stats.sg_frags_sent +=
4364 skb_shinfo(skb)->nr_frags + 1;
4366 #endif /* CONFIG_QETH_PERF_STATS */
4369 /* drop creator's reference */
4370 qeth_eddp_put_context(ctx);
4371 /* free skb; it's not referenced by a buffer */
4373 dev_kfree_skb_any(skb);
4380 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4382 struct qeth_card *card = (struct qeth_card *) dev->priv;
4386 case MII_BMCR: /* Basic mode control register */
4388 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4389 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4390 rc |= BMCR_SPEED100;
4392 case MII_BMSR: /* Basic mode status register */
4393 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4394 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4397 case MII_PHYSID1: /* PHYS ID 1 */
4398 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4400 rc = (rc >> 5) & 0xFFFF;
4402 case MII_PHYSID2: /* PHYS ID 2 */
4403 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4405 case MII_ADVERTISE: /* Advertisement control reg */
4408 case MII_LPA: /* Link partner ability reg */
4409 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4410 LPA_100BASE4 | LPA_LPACK;
4412 case MII_EXPANSION: /* Expansion register */
4414 case MII_DCOUNTER: /* disconnect counter */
4416 case MII_FCSCOUNTER: /* false carrier counter */
4418 case MII_NWAYTEST: /* N-way auto-neg test register */
4420 case MII_RERRCOUNTER: /* rx error counter */
4421 rc = card->stats.rx_errors;
4423 case MII_SREVISION: /* silicon revision */
4425 case MII_RESV1: /* reserved 1 */
4427 case MII_LBRERROR: /* loopback, rx, bypass error */
4429 case MII_PHYADDR: /* physical address */
4431 case MII_RESV2: /* reserved 2 */
4433 case MII_TPISTATUS: /* TPI status for 10mbps */
4435 case MII_NCONFIG: /* network interface config */
4445 qeth_mdio_write(struct net_device *dev, int phy_id, int regnum, int value)
4448 case MII_BMCR: /* Basic mode control register */
4449 case MII_BMSR: /* Basic mode status register */
4450 case MII_PHYSID1: /* PHYS ID 1 */
4451 case MII_PHYSID2: /* PHYS ID 2 */
4452 case MII_ADVERTISE: /* Advertisement control reg */
4453 case MII_LPA: /* Link partner ability reg */
4454 case MII_EXPANSION: /* Expansion register */
4455 case MII_DCOUNTER: /* disconnect counter */
4456 case MII_FCSCOUNTER: /* false carrier counter */
4457 case MII_NWAYTEST: /* N-way auto-neg test register */
4458 case MII_RERRCOUNTER: /* rx error counter */
4459 case MII_SREVISION: /* silicon revision */
4460 case MII_RESV1: /* reserved 1 */
4461 case MII_LBRERROR: /* loopback, rx, bypass error */
4462 case MII_PHYADDR: /* physical address */
4463 case MII_RESV2: /* reserved 2 */
4464 case MII_TPISTATUS: /* TPI status for 10mbps */
4465 case MII_NCONFIG: /* network interface config */
4471 static inline const char *
4472 qeth_arp_get_error_cause(int *rc)
4475 case QETH_IPA_ARP_RC_FAILED:
4477 return "operation failed";
4478 case QETH_IPA_ARP_RC_NOTSUPP:
4480 return "operation not supported";
4481 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4483 return "argument out of range";
4484 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4486 return "query operation not supported";
4487 case QETH_IPA_ARP_RC_Q_NO_DATA:
4489 return "no query data available";
4491 return "unknown error";
4496 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4500 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4505 QETH_DBF_TEXT(trace,3,"arpstnoe");
4507 /* TODO: really not supported by GuestLAN? */
4508 if (card->info.guestlan)
4510 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4511 PRINT_WARN("ARP processing not supported "
4512 "on %s!\n", QETH_CARD_IFNAME(card));
4515 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4516 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4520 PRINT_WARN("Could not set number of ARP entries on %s: "
4522 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4529 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4530 struct qeth_arp_query_data *qdata,
4531 int entry_size, int uentry_size)
4537 entry_ptr = (char *)&qdata->data;
4538 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4539 for (i = 0; i < qdata->no_entries; ++i){
4540 /* strip off 32 bytes "media specific information" */
4541 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4542 entry_ptr += entry_size;
4543 uentry_ptr += uentry_size;
4548 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4551 struct qeth_ipa_cmd *cmd;
4552 struct qeth_arp_query_data *qdata;
4553 struct qeth_arp_query_info *qinfo;
4558 QETH_DBF_TEXT(trace,4,"arpquecb");
4560 qinfo = (struct qeth_arp_query_info *) reply->param;
4561 cmd = (struct qeth_ipa_cmd *) data;
4562 if (cmd->hdr.return_code) {
4563 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4566 if (cmd->data.setassparms.hdr.return_code) {
4567 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4568 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4571 qdata = &cmd->data.setassparms.data.query_arp;
4572 switch(qdata->reply_bits){
4574 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4575 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4576 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4579 /* fall through to default */
4581 /* tr is the same as eth -> entry7 */
4582 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4583 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4584 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4587 /* check if there is enough room in userspace */
4588 if ((qinfo->udata_len - qinfo->udata_offset) <
4589 qdata->no_entries * uentry_size){
4590 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4591 cmd->hdr.return_code = -ENOMEM;
4592 PRINT_WARN("query ARP user space buffer is too small for "
4593 "the returned number of ARP entries. "
4594 "Aborting query!\n");
4597 QETH_DBF_TEXT_(trace, 4, "anore%i",
4598 cmd->data.setassparms.hdr.number_of_replies);
4599 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4600 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4602 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4603 /* strip off "media specific information" */
4604 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4607 /*copy entries to user buffer*/
4608 memcpy(qinfo->udata + qinfo->udata_offset,
4609 (char *)&qdata->data, qdata->no_entries*uentry_size);
4611 qinfo->no_entries += qdata->no_entries;
4612 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4613 /* check if all replies received ... */
4614 if (cmd->data.setassparms.hdr.seq_no <
4615 cmd->data.setassparms.hdr.number_of_replies)
4617 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4618 /* keep STRIP_ENTRIES flag so the user program can distinguish
4619 * stripped entries from normal ones */
4620 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4621 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4622 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4626 memcpy(qinfo->udata, &i, 4);
4631 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4632 int len, int (*reply_cb)(struct qeth_card *,
4633 struct qeth_reply *,
4637 QETH_DBF_TEXT(trace,4,"sendarp");
4639 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4640 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4641 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4642 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4643 reply_cb, reply_param);
4647 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4648 int len, int (*reply_cb)(struct qeth_card *,
4649 struct qeth_reply *,
4655 QETH_DBF_TEXT(trace,4,"sendsnmp");
4657 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4658 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4659 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4660 /* adjust PDU length fields in IPA_PDU_HEADER */
4661 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4663 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4664 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4665 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4666 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4667 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4668 reply_cb, reply_param);
4671 static struct qeth_cmd_buffer *
4672 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4673 __u16, __u16, enum qeth_prot_versions);
4675 qeth_arp_query(struct qeth_card *card, char *udata)
4677 struct qeth_cmd_buffer *iob;
4678 struct qeth_arp_query_info qinfo = {0, };
4682 QETH_DBF_TEXT(trace,3,"arpquery");
4685 * currently GuestLAN does only deliver all zeros on query arp,
4686 * even though arp processing is supported (according to IPA supp.
4687 * funcs flags); since all zeros is no valueable information,
4688 * we say EOPNOTSUPP for all ARP functions
4690 /*if (card->info.guestlan)
4691 return -EOPNOTSUPP; */
4692 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4693 IPA_ARP_PROCESSING)) {
4694 PRINT_WARN("ARP processing not supported "
4695 "on %s!\n", QETH_CARD_IFNAME(card));
4698 /* get size of userspace buffer and mask_bits -> 6 bytes */
4699 if (copy_from_user(&qinfo, udata, 6))
4701 if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL)))
4703 memset(qinfo.udata, 0, qinfo.udata_len);
4704 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4705 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4706 IPA_CMD_ASS_ARP_QUERY_INFO,
4707 sizeof(int),QETH_PROT_IPV4);
4709 rc = qeth_send_ipa_arp_cmd(card, iob,
4710 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4711 qeth_arp_query_cb, (void *)&qinfo);
4714 PRINT_WARN("Error while querying ARP cache on %s: %s "
4716 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4718 copy_to_user(udata, qinfo.udata, 4);
4720 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4727 * SNMP command callback
4730 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4731 unsigned long sdata)
4733 struct qeth_ipa_cmd *cmd;
4734 struct qeth_arp_query_info *qinfo;
4735 struct qeth_snmp_cmd *snmp;
4736 unsigned char *data;
4739 QETH_DBF_TEXT(trace,3,"snpcmdcb");
4741 cmd = (struct qeth_ipa_cmd *) sdata;
4742 data = (unsigned char *)((char *)cmd - reply->offset);
4743 qinfo = (struct qeth_arp_query_info *) reply->param;
4744 snmp = &cmd->data.setadapterparms.data.snmp;
4746 if (cmd->hdr.return_code) {
4747 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4750 if (cmd->data.setadapterparms.hdr.return_code) {
4751 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4752 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4755 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4756 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4757 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4759 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4761 /* check if there is enough room in userspace */
4762 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4763 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4764 cmd->hdr.return_code = -ENOMEM;
4767 QETH_DBF_TEXT_(trace, 4, "snore%i",
4768 cmd->data.setadapterparms.hdr.used_total);
4769 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4770 /*copy entries to user buffer*/
4771 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4772 memcpy(qinfo->udata + qinfo->udata_offset,
4774 data_len + offsetof(struct qeth_snmp_cmd,data));
4775 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4777 memcpy(qinfo->udata + qinfo->udata_offset,
4778 (char *)&snmp->request, data_len);
4780 qinfo->udata_offset += data_len;
4781 /* check if all replies received ... */
4782 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4783 cmd->data.setadapterparms.hdr.used_total);
4784 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4785 cmd->data.setadapterparms.hdr.seq_no);
4786 if (cmd->data.setadapterparms.hdr.seq_no <
4787 cmd->data.setadapterparms.hdr.used_total)
4792 static struct qeth_cmd_buffer *
4793 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4794 enum qeth_prot_versions );
4796 static struct qeth_cmd_buffer *
4797 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4799 struct qeth_cmd_buffer *iob;
4800 struct qeth_ipa_cmd *cmd;
4802 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4804 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4805 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4806 cmd->data.setadapterparms.hdr.command_code = command;
4807 cmd->data.setadapterparms.hdr.used_total = 1;
4808 cmd->data.setadapterparms.hdr.seq_no = 1;
4814 * function to send SNMP commands to OSA-E card
4817 qeth_snmp_command(struct qeth_card *card, char *udata)
4819 struct qeth_cmd_buffer *iob;
4820 struct qeth_ipa_cmd *cmd;
4821 struct qeth_snmp_ureq *ureq;
4823 struct qeth_arp_query_info qinfo = {0, };
4826 QETH_DBF_TEXT(trace,3,"snmpcmd");
4828 if (card->info.guestlan)
4831 if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4832 (!card->options.layer2) ) {
4833 PRINT_WARN("SNMP Query MIBS not supported "
4834 "on %s!\n", QETH_CARD_IFNAME(card));
4837 /* skip 4 bytes (data_len struct member) to get req_len */
4838 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4840 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4842 QETH_DBF_TEXT(trace, 2, "snmpnome");
4845 if (copy_from_user(ureq, udata,
4846 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4850 qinfo.udata_len = ureq->hdr.data_len;
4851 if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){
4855 memset(qinfo.udata, 0, qinfo.udata_len);
4856 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4858 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4859 QETH_SNMP_SETADP_CMDLENGTH + req_len);
4860 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4861 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4862 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4863 qeth_snmp_command_cb, (void *)&qinfo);
4865 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4866 QETH_CARD_IFNAME(card), rc);
4868 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4876 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
4880 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
4883 (struct qeth_card *, struct qeth_reply *, unsigned long),
4887 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
4889 struct qeth_cmd_buffer *iob;
4894 QETH_DBF_TEXT(trace,3,"arpadent");
4897 * currently GuestLAN does only deliver all zeros on query arp,
4898 * even though arp processing is supported (according to IPA supp.
4899 * funcs flags); since all zeros is no valueable information,
4900 * we say EOPNOTSUPP for all ARP functions
4902 if (card->info.guestlan)
4904 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4905 PRINT_WARN("ARP processing not supported "
4906 "on %s!\n", QETH_CARD_IFNAME(card));
4910 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4911 IPA_CMD_ASS_ARP_ADD_ENTRY,
4912 sizeof(struct qeth_arp_cache_entry),
4914 rc = qeth_send_setassparms(card, iob,
4915 sizeof(struct qeth_arp_cache_entry),
4916 (unsigned long) entry,
4917 qeth_default_setassparms_cb, NULL);
4920 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
4921 PRINT_WARN("Could not add ARP entry for address %s on %s: "
4923 buf, QETH_CARD_IFNAME(card),
4924 qeth_arp_get_error_cause(&rc), tmp, tmp);
4930 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
4932 struct qeth_cmd_buffer *iob;
4933 char buf[16] = {0, };
4937 QETH_DBF_TEXT(trace,3,"arprment");
4940 * currently GuestLAN does only deliver all zeros on query arp,
4941 * even though arp processing is supported (according to IPA supp.
4942 * funcs flags); since all zeros is no valueable information,
4943 * we say EOPNOTSUPP for all ARP functions
4945 if (card->info.guestlan)
4947 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4948 PRINT_WARN("ARP processing not supported "
4949 "on %s!\n", QETH_CARD_IFNAME(card));
4952 memcpy(buf, entry, 12);
4953 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4954 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
4957 rc = qeth_send_setassparms(card, iob,
4958 12, (unsigned long)buf,
4959 qeth_default_setassparms_cb, NULL);
4963 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
4964 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
4966 buf, QETH_CARD_IFNAME(card),
4967 qeth_arp_get_error_cause(&rc), tmp, tmp);
4973 qeth_arp_flush_cache(struct qeth_card *card)
4978 QETH_DBF_TEXT(trace,3,"arpflush");
4981 * currently GuestLAN does only deliver all zeros on query arp,
4982 * even though arp processing is supported (according to IPA supp.
4983 * funcs flags); since all zeros is no valueable information,
4984 * we say EOPNOTSUPP for all ARP functions
4986 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
4988 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4989 PRINT_WARN("ARP processing not supported "
4990 "on %s!\n", QETH_CARD_IFNAME(card));
4993 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4994 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
4997 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
4998 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5005 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5007 struct qeth_card *card = (struct qeth_card *)dev->priv;
5008 struct qeth_arp_cache_entry arp_entry;
5009 struct mii_ioctl_data *mii_data;
5015 if ((card->state != CARD_STATE_UP) &&
5016 (card->state != CARD_STATE_SOFTSETUP))
5020 case SIOC_QETH_ARP_SET_NO_ENTRIES:
5021 if ( !capable(CAP_NET_ADMIN) ||
5022 (card->options.layer2) ) {
5026 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5028 case SIOC_QETH_ARP_QUERY_INFO:
5029 if ( !capable(CAP_NET_ADMIN) ||
5030 (card->options.layer2) ) {
5034 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5036 case SIOC_QETH_ARP_ADD_ENTRY:
5037 if ( !capable(CAP_NET_ADMIN) ||
5038 (card->options.layer2) ) {
5042 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5043 sizeof(struct qeth_arp_cache_entry)))
5046 rc = qeth_arp_add_entry(card, &arp_entry);
5048 case SIOC_QETH_ARP_REMOVE_ENTRY:
5049 if ( !capable(CAP_NET_ADMIN) ||
5050 (card->options.layer2) ) {
5054 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5055 sizeof(struct qeth_arp_cache_entry)))
5058 rc = qeth_arp_remove_entry(card, &arp_entry);
5060 case SIOC_QETH_ARP_FLUSH_CACHE:
5061 if ( !capable(CAP_NET_ADMIN) ||
5062 (card->options.layer2) ) {
5066 rc = qeth_arp_flush_cache(card);
5068 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5069 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5071 case SIOC_QETH_GET_CARD_TYPE:
5072 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5073 !card->info.guestlan)
5078 mii_data = if_mii(rq);
5079 mii_data->phy_id = 0;
5082 mii_data = if_mii(rq);
5083 if (mii_data->phy_id != 0)
5086 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5092 /* TODO: remove return if qeth_mdio_write does something */
5093 if (!capable(CAP_NET_ADMIN)){
5097 mii_data = if_mii(rq);
5098 if (mii_data->phy_id != 0)
5101 qeth_mdio_write(dev, mii_data->phy_id, mii_data->reg_num,
5108 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5112 static struct net_device_stats *
5113 qeth_get_stats(struct net_device *dev)
5115 struct qeth_card *card;
5117 card = (struct qeth_card *) (dev->priv);
5119 QETH_DBF_TEXT(trace,5,"getstat");
5121 return &card->stats;
5125 qeth_change_mtu(struct net_device *dev, int new_mtu)
5127 struct qeth_card *card;
5130 card = (struct qeth_card *) (dev->priv);
5132 QETH_DBF_TEXT(trace,4,"chgmtu");
5133 sprintf(dbf_text, "%8x", new_mtu);
5134 QETH_DBF_TEXT(trace,4,dbf_text);
5138 if (new_mtu > 65535)
5140 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5141 (!qeth_mtu_is_valid(card, new_mtu)))
5147 #ifdef CONFIG_QETH_VLAN
5149 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5151 struct qeth_card *card;
5152 unsigned long flags;
5154 QETH_DBF_TEXT(trace,4,"vlanreg");
5156 card = (struct qeth_card *) dev->priv;
5157 spin_lock_irqsave(&card->vlanlock, flags);
5158 card->vlangrp = grp;
5159 spin_unlock_irqrestore(&card->vlanlock, flags);
5163 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5167 struct sk_buff *skb;
5168 struct sk_buff_head tmp_list;
5170 skb_queue_head_init(&tmp_list);
5171 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5172 while ((skb = skb_dequeue(&buf->skb_list))){
5173 if (vlan_tx_tag_present(skb) &&
5174 (vlan_tx_tag_get(skb) == vid)) {
5175 atomic_dec(&skb->users);
5178 skb_queue_tail(&tmp_list, skb);
5181 while ((skb = skb_dequeue(&tmp_list)))
5182 skb_queue_tail(&buf->skb_list, skb);
5186 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5190 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5191 for (i = 0; i < card->qdio.no_out_queues; ++i){
5192 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5193 qeth_free_vlan_buffer(card, &card->qdio.
5194 out_qs[i]->bufs[j], vid);
5199 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5201 struct in_device *in_dev;
5202 struct in_ifaddr *ifa;
5203 struct qeth_ipaddr *addr;
5205 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5209 in_dev = __in_dev_get(card->vlangrp->vlan_devices[vid]);
5212 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5213 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5215 addr->u.a4.addr = ifa->ifa_address;
5216 addr->u.a4.mask = ifa->ifa_mask;
5217 addr->type = QETH_IP_TYPE_NORMAL;
5218 if (!qeth_delete_ip(card, addr))
5226 #ifdef CONFIG_QETH_IPV6
5228 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5230 #ifdef CONFIG_QETH_IPV6
5231 struct inet6_dev *in6_dev;
5232 struct inet6_ifaddr *ifa;
5233 struct qeth_ipaddr *addr;
5235 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5238 in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
5241 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5242 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5244 memcpy(&addr->u.a6.addr, &ifa->addr,
5245 sizeof(struct in6_addr));
5246 addr->u.a6.pfxlen = ifa->prefix_len;
5247 addr->type = QETH_IP_TYPE_NORMAL;
5248 if (!qeth_delete_ip(card, addr))
5252 in6_dev_put(in6_dev);
5253 #endif /* CONFIG_QETH_IPV6 */
5256 #define qeth_free_vlan_addresses6(card, vid) do{ ; }while(0)
5260 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5261 enum qeth_ipa_cmds ipacmd)
5264 struct qeth_ipa_cmd *cmd;
5265 struct qeth_cmd_buffer *iob;
5267 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5268 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5269 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5270 cmd->data.setdelvlan.vlan_id = i;
5272 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5274 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5275 "Continuing\n",i, QETH_CARD_IFNAME(card), rc);
5276 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", ipacmd);
5277 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5278 QETH_DBF_TEXT_(trace, 2, "err%d", rc);
5283 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5287 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5291 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5292 if (card->vlangrp->vlan_devices[i] == NULL)
5295 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5297 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5301 /*add_vid is layer 2 used only ....*/
5303 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5305 struct qeth_card *card;
5307 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5309 card = (struct qeth_card *) dev->priv;
5310 if (!card->options.layer2)
5312 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5315 /*... kill_vid used for both modes*/
5317 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5319 struct qeth_card *card;
5320 unsigned long flags;
5322 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5324 card = (struct qeth_card *) dev->priv;
5325 /* free all skbs for the vlan device */
5326 qeth_free_vlan_skbs(card, vid);
5327 spin_lock_irqsave(&card->vlanlock, flags);
5328 /* unregister IP addresses of vlan device */
5329 qeth_free_vlan_addresses4(card, vid);
5330 qeth_free_vlan_addresses6(card, vid);
5332 card->vlangrp->vlan_devices[vid] = NULL;
5333 spin_unlock_irqrestore(&card->vlanlock, flags);
5334 if (card->options.layer2)
5335 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5336 qeth_set_multicast_list(card->dev);
5341 * set multicast address on card
5344 qeth_set_multicast_list(struct net_device *dev)
5346 struct qeth_card *card = (struct qeth_card *) dev->priv;
5348 QETH_DBF_TEXT(trace,3,"setmulti");
5349 qeth_delete_mc_addresses(card);
5350 qeth_add_multicast_ipv4(card);
5351 #ifdef CONFIG_QETH_IPV6
5352 qeth_add_multicast_ipv6(card);
5354 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5355 schedule_work(&card->kernel_thread_starter);
5359 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5365 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5367 if (dev->type == ARPHRD_IEEE802_TR)
5368 ip_tr_mc_map(ipm, mac);
5370 ip_eth_mc_map(ipm, mac);
5373 static struct qeth_ipaddr *
5374 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5376 struct qeth_ipaddr *addr;
5378 addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5380 PRINT_WARN("Not enough memory to add address\n");
5383 memset(addr,0,sizeof(struct qeth_ipaddr));
5384 addr->type = QETH_IP_TYPE_NORMAL;
5390 qeth_delete_mc_addresses(struct qeth_card *card)
5392 struct qeth_ipaddr *iptodo;
5393 unsigned long flags;
5395 QETH_DBF_TEXT(trace,4,"delmc");
5396 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5398 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5401 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5402 spin_lock_irqsave(&card->ip_lock, flags);
5403 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5405 spin_unlock_irqrestore(&card->ip_lock, flags);
5409 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5411 struct qeth_ipaddr *ipm;
5412 struct ip_mc_list *im4;
5413 char buf[MAX_ADDR_LEN];
5415 QETH_DBF_TEXT(trace,4,"addmc");
5416 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5417 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5418 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5421 ipm->u.a4.addr = im4->multiaddr;
5422 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5423 ipm->is_multicast = 1;
5424 if (!qeth_add_ip(card,ipm))
5430 qeth_add_vlan_mc(struct qeth_card *card)
5432 #ifdef CONFIG_QETH_VLAN
5433 struct in_device *in_dev;
5434 struct vlan_group *vg;
5437 QETH_DBF_TEXT(trace,4,"addmcvl");
5438 if ( ((card->options.layer2 == 0) &&
5439 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5440 (card->vlangrp == NULL) )
5444 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5445 if (vg->vlan_devices[i] == NULL ||
5446 !(vg->vlan_devices[i]->flags & IFF_UP))
5448 in_dev = in_dev_get(vg->vlan_devices[i]);
5451 read_lock(&in_dev->mc_list_lock);
5452 qeth_add_mc(card,in_dev);
5453 read_unlock(&in_dev->mc_list_lock);
5460 qeth_add_multicast_ipv4(struct qeth_card *card)
5462 struct in_device *in4_dev;
5464 QETH_DBF_TEXT(trace,4,"chkmcv4");
5465 in4_dev = in_dev_get(card->dev);
5466 if (in4_dev == NULL)
5468 read_lock(&in4_dev->mc_list_lock);
5469 qeth_add_mc(card, in4_dev);
5470 qeth_add_vlan_mc(card);
5471 read_unlock(&in4_dev->mc_list_lock);
5472 in_dev_put(in4_dev);
5475 #ifdef CONFIG_QETH_IPV6
5477 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5479 struct qeth_ipaddr *ipm;
5480 struct ifmcaddr6 *im6;
5481 char buf[MAX_ADDR_LEN];
5483 QETH_DBF_TEXT(trace,4,"addmc6");
5484 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5485 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5486 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5489 ipm->is_multicast = 1;
5490 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5491 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5492 sizeof(struct in6_addr));
5493 if (!qeth_add_ip(card,ipm))
5499 qeth_add_vlan_mc6(struct qeth_card *card)
5501 #ifdef CONFIG_QETH_VLAN
5502 struct inet6_dev *in_dev;
5503 struct vlan_group *vg;
5506 QETH_DBF_TEXT(trace,4,"admc6vl");
5507 if ( ((card->options.layer2 == 0) &&
5508 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5509 (card->vlangrp == NULL))
5513 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5514 if (vg->vlan_devices[i] == NULL ||
5515 !(vg->vlan_devices[i]->flags & IFF_UP))
5517 in_dev = in6_dev_get(vg->vlan_devices[i]);
5520 read_lock(&in_dev->lock);
5521 qeth_add_mc6(card,in_dev);
5522 read_unlock(&in_dev->lock);
5523 in6_dev_put(in_dev);
5525 #endif /* CONFIG_QETH_VLAN */
5529 qeth_add_multicast_ipv6(struct qeth_card *card)
5531 struct inet6_dev *in6_dev;
5533 QETH_DBF_TEXT(trace,4,"chkmcv6");
5534 if ((card->options.layer2 == 0) &&
5535 (!qeth_is_supported(card, IPA_IPV6)) )
5538 in6_dev = in6_dev_get(card->dev);
5539 if (in6_dev == NULL)
5541 read_lock(&in6_dev->lock);
5542 qeth_add_mc6(card, in6_dev);
5543 qeth_add_vlan_mc6(card);
5544 read_unlock(&in6_dev->lock);
5545 in6_dev_put(in6_dev);
5547 #endif /* CONFIG_QETH_IPV6 */
5550 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5551 enum qeth_ipa_cmds ipacmd,
5552 int (*reply_cb) (struct qeth_card *,
5556 struct qeth_ipa_cmd *cmd;
5557 struct qeth_cmd_buffer *iob;
5559 QETH_DBF_TEXT(trace, 2, "L2sdmac");
5560 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5561 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5562 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5563 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5564 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5568 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5569 struct qeth_reply *reply,
5572 struct qeth_ipa_cmd *cmd;
5575 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5576 cmd = (struct qeth_ipa_cmd *) data;
5577 mac = &cmd->data.setdelmac.mac[0];
5578 /* MAC already registered, needed in couple/uncouple case */
5579 if (cmd->hdr.return_code == 0x2005) {
5580 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5581 "already existing on %s \n",
5582 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5583 QETH_CARD_IFNAME(card));
5584 cmd->hdr.return_code = 0;
5586 if (cmd->hdr.return_code)
5587 PRINT_ERR("Could not set group MAC " \
5588 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5589 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5590 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5595 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5597 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5598 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5599 qeth_layer2_send_setgroupmac_cb);
5603 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5604 struct qeth_reply *reply,
5607 struct qeth_ipa_cmd *cmd;
5610 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5611 cmd = (struct qeth_ipa_cmd *) data;
5612 mac = &cmd->data.setdelmac.mac[0];
5613 if (cmd->hdr.return_code)
5614 PRINT_ERR("Could not delete group MAC " \
5615 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5616 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5617 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5622 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5624 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5625 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5626 qeth_layer2_send_delgroupmac_cb);
5630 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5631 struct qeth_reply *reply,
5634 struct qeth_ipa_cmd *cmd;
5636 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5637 cmd = (struct qeth_ipa_cmd *) data;
5638 if (cmd->hdr.return_code) {
5639 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5640 PRINT_WARN("Error in registering MAC address on " \
5641 "device %s: x%x\n", CARD_BUS_ID(card),
5642 cmd->hdr.return_code);
5643 card->info.layer2_mac_registered = 0;
5644 cmd->hdr.return_code = -EIO;
5646 card->info.layer2_mac_registered = 1;
5647 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5649 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5650 "successfully registered on device %s\n",
5651 card->dev->dev_addr[0], card->dev->dev_addr[1],
5652 card->dev->dev_addr[2], card->dev->dev_addr[3],
5653 card->dev->dev_addr[4], card->dev->dev_addr[5],
5660 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5662 QETH_DBF_TEXT(trace, 2, "L2Setmac");
5663 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5664 qeth_layer2_send_setmac_cb);
5668 qeth_layer2_send_delmac_cb(struct qeth_card *card,
5669 struct qeth_reply *reply,
5672 struct qeth_ipa_cmd *cmd;
5674 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
5675 cmd = (struct qeth_ipa_cmd *) data;
5676 if (cmd->hdr.return_code) {
5677 PRINT_WARN("Error in deregistering MAC address on " \
5678 "device %s: x%x\n", CARD_BUS_ID(card),
5679 cmd->hdr.return_code);
5680 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5681 cmd->hdr.return_code = -EIO;
5684 card->info.layer2_mac_registered = 0;
5689 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
5691 QETH_DBF_TEXT(trace, 2, "L2Delmac");
5692 if (!card->info.layer2_mac_registered)
5694 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
5695 qeth_layer2_send_delmac_cb);
5699 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5701 struct sockaddr *addr = p;
5702 struct qeth_card *card;
5705 QETH_DBF_TEXT(trace, 3, "setmac");
5707 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
5708 QETH_DBF_TEXT(trace, 3, "setmcINV");
5711 card = (struct qeth_card *) dev->priv;
5713 if (!card->options.layer2) {
5714 PRINT_WARN("Setting MAC address on %s is not supported"
5715 "in Layer 3 mode.\n", dev->name);
5716 QETH_DBF_TEXT(trace, 3, "setmcLY3");
5719 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
5720 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
5721 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
5723 rc = qeth_layer2_send_setmac(card, addr->sa_data);
5728 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
5729 __u8 command, enum qeth_prot_versions prot)
5731 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
5732 cmd->hdr.command = command;
5733 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
5734 cmd->hdr.seqno = card->seqno.ipa;
5735 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
5736 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
5737 if (card->options.layer2)
5738 cmd->hdr.prim_version_no = 2;
5740 cmd->hdr.prim_version_no = 1;
5741 cmd->hdr.param_count = 1;
5742 cmd->hdr.prot_version = prot;
5743 cmd->hdr.ipa_supported = 0;
5744 cmd->hdr.ipa_enabled = 0;
5747 static struct qeth_cmd_buffer *
5748 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
5749 enum qeth_prot_versions prot)
5751 struct qeth_cmd_buffer *iob;
5752 struct qeth_ipa_cmd *cmd;
5754 iob = qeth_wait_for_buffer(&card->write);
5755 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5756 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
5762 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
5765 struct qeth_cmd_buffer *iob;
5766 struct qeth_ipa_cmd *cmd;
5768 QETH_DBF_TEXT(trace,4,"setdelmc");
5770 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
5771 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5772 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
5773 if (addr->proto == QETH_PROT_IPV6)
5774 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
5775 sizeof(struct in6_addr));
5777 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
5779 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5784 qeth_fill_netmask(u8 *netmask, unsigned int len)
5787 for (i=0;i<16;i++) {
5792 netmask[i] = (u8)(0xFF00>>j);
5799 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
5800 int ipacmd, unsigned int flags)
5803 struct qeth_cmd_buffer *iob;
5804 struct qeth_ipa_cmd *cmd;
5807 QETH_DBF_TEXT(trace,4,"setdelip");
5808 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
5810 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
5811 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5812 if (addr->proto == QETH_PROT_IPV6) {
5813 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
5814 sizeof(struct in6_addr));
5815 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
5816 memcpy(cmd->data.setdelip6.mask, netmask,
5817 sizeof(struct in6_addr));
5818 cmd->data.setdelip6.flags = flags;
5820 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
5821 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
5822 cmd->data.setdelip4.flags = flags;
5825 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
5831 qeth_layer2_register_addr_entry(struct qeth_card *card,
5832 struct qeth_ipaddr *addr)
5834 if (!addr->is_multicast)
5836 QETH_DBF_TEXT(trace, 2, "setgmac");
5837 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
5838 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
5842 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
5843 struct qeth_ipaddr *addr)
5845 if (!addr->is_multicast)
5847 QETH_DBF_TEXT(trace, 2, "delgmac");
5848 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
5849 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
5853 qeth_layer3_register_addr_entry(struct qeth_card *card,
5854 struct qeth_ipaddr *addr)
5860 if (addr->proto == QETH_PROT_IPV4) {
5861 QETH_DBF_TEXT(trace, 2,"setaddr4");
5862 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
5863 } else if (addr->proto == QETH_PROT_IPV6) {
5864 QETH_DBF_TEXT(trace, 2, "setaddr6");
5865 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
5866 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
5868 QETH_DBF_TEXT(trace, 2, "setaddr?");
5869 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
5872 if (addr->is_multicast)
5873 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
5875 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
5878 QETH_DBF_TEXT(trace, 2, "failed");
5879 } while ((--cnt > 0) && rc);
5881 QETH_DBF_TEXT(trace, 2, "FAILED");
5882 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
5883 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
5890 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
5891 struct qeth_ipaddr *addr)
5896 if (addr->proto == QETH_PROT_IPV4) {
5897 QETH_DBF_TEXT(trace, 2,"deladdr4");
5898 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
5899 } else if (addr->proto == QETH_PROT_IPV6) {
5900 QETH_DBF_TEXT(trace, 2, "deladdr6");
5901 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
5902 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
5904 QETH_DBF_TEXT(trace, 2, "deladdr?");
5905 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
5907 if (addr->is_multicast)
5908 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
5910 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
5913 QETH_DBF_TEXT(trace, 2, "failed");
5914 /* TODO: re-activate this warning as soon as we have a
5916 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
5917 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
5925 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
5927 if (card->options.layer2)
5928 return qeth_layer2_register_addr_entry(card, addr);
5930 return qeth_layer3_register_addr_entry(card, addr);
5934 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
5936 if (card->options.layer2)
5937 return qeth_layer2_deregister_addr_entry(card, addr);
5939 return qeth_layer3_deregister_addr_entry(card, addr);
5943 qeth_ethtool_get_tx_csum(struct net_device *dev)
5945 /* We may need to say that we support tx csum offload if
5946 * we do EDDP or TSO. There are discussions going on to
5947 * enforce rules in the stack and in ethtool that make
5948 * SG and TSO depend on HW_CSUM. At the moment there are
5950 * If we say yes here, we have to checksum outbound packets
5956 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
5962 qeth_ethtool_get_rx_csum(struct net_device *dev)
5964 struct qeth_card *card = (struct qeth_card *)dev->priv;
5966 return (card->options.checksum_type == HW_CHECKSUMMING);
5970 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
5972 struct qeth_card *card = (struct qeth_card *)dev->priv;
5974 if ((card->state != CARD_STATE_DOWN) &&
5975 (card->state != CARD_STATE_RECOVER))
5978 card->options.checksum_type = HW_CHECKSUMMING;
5980 card->options.checksum_type = SW_CHECKSUMMING;
5985 qeth_ethtool_get_sg(struct net_device *dev)
5987 struct qeth_card *card = (struct qeth_card *)dev->priv;
5989 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
5990 (dev->features & NETIF_F_SG));
5994 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
5996 struct qeth_card *card = (struct qeth_card *)dev->priv;
5999 if (card->options.large_send != QETH_LARGE_SEND_NO)
6000 dev->features |= NETIF_F_SG;
6002 dev->features &= ~NETIF_F_SG;
6006 dev->features &= ~NETIF_F_SG;
6011 qeth_ethtool_get_tso(struct net_device *dev)
6013 struct qeth_card *card = (struct qeth_card *)dev->priv;
6015 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6016 (dev->features & NETIF_F_TSO));
6020 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6022 struct qeth_card *card = (struct qeth_card *)dev->priv;
6025 if (card->options.large_send != QETH_LARGE_SEND_NO)
6026 dev->features |= NETIF_F_TSO;
6028 dev->features &= ~NETIF_F_TSO;
6032 dev->features &= ~NETIF_F_TSO;
6036 static struct ethtool_ops qeth_ethtool_ops = {
6037 .get_tx_csum = qeth_ethtool_get_tx_csum,
6038 .set_tx_csum = qeth_ethtool_set_tx_csum,
6039 .get_rx_csum = qeth_ethtool_get_rx_csum,
6040 .set_rx_csum = qeth_ethtool_set_rx_csum,
6041 .get_sg = qeth_ethtool_get_sg,
6042 .set_sg = qeth_ethtool_set_sg,
6043 .get_tso = qeth_ethtool_get_tso,
6044 .set_tso = qeth_ethtool_set_tso,
6048 qeth_netdev_init(struct net_device *dev)
6050 struct qeth_card *card;
6052 card = (struct qeth_card *) dev->priv;
6054 QETH_DBF_TEXT(trace,3,"initdev");
6056 dev->tx_timeout = &qeth_tx_timeout;
6057 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6058 dev->open = qeth_open;
6059 dev->stop = qeth_stop;
6060 dev->hard_start_xmit = qeth_hard_start_xmit;
6061 dev->do_ioctl = qeth_do_ioctl;
6062 dev->get_stats = qeth_get_stats;
6063 dev->change_mtu = qeth_change_mtu;
6064 dev->neigh_setup = qeth_neigh_setup;
6065 dev->set_multicast_list = qeth_set_multicast_list;
6066 #ifdef CONFIG_QETH_VLAN
6067 dev->vlan_rx_register = qeth_vlan_rx_register;
6068 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6069 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6071 dev->hard_header = card->orig_hard_header;
6072 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6073 dev->rebuild_header = NULL;
6074 dev->hard_header = NULL;
6075 if (card->options.fake_ll)
6076 dev->hard_header = qeth_fake_header;
6077 dev->header_cache_update = NULL;
6078 dev->hard_header_cache = NULL;
6080 #ifdef CONFIG_QETH_IPV6
6081 /*IPv6 address autoconfiguration stuff*/
6082 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6083 card->dev->dev_id = card->info.unique_id & 0xffff;
6085 dev->hard_header_parse = NULL;
6086 dev->set_mac_address = qeth_layer2_set_mac_address;
6087 dev->flags |= qeth_get_netdev_flags(card);
6088 if ((card->options.fake_broadcast) ||
6089 (card->info.broadcast_capable))
6090 dev->flags |= IFF_BROADCAST;
6091 dev->hard_header_len =
6092 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6093 dev->addr_len = OSA_ADDR_LEN;
6094 dev->mtu = card->info.initial_mtu;
6096 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6098 SET_MODULE_OWNER(dev);
6103 qeth_init_func_level(struct qeth_card *card)
6105 if (card->ipato.enabled) {
6106 if (card->info.type == QETH_CARD_TYPE_IQD)
6107 card->info.func_level =
6108 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6110 card->info.func_level =
6111 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6113 if (card->info.type == QETH_CARD_TYPE_IQD)
6114 card->info.func_level =
6115 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6117 card->info.func_level =
6118 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6123 * hardsetup card, initialize MPC and QDIO stuff
6126 qeth_hardsetup_card(struct qeth_card *card)
6131 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6135 PRINT_WARN("Retrying to do IDX activates.\n");
6136 ccw_device_set_offline(CARD_DDEV(card));
6137 ccw_device_set_offline(CARD_WDEV(card));
6138 ccw_device_set_offline(CARD_RDEV(card));
6139 ccw_device_set_online(CARD_RDEV(card));
6140 ccw_device_set_online(CARD_WDEV(card));
6141 ccw_device_set_online(CARD_DDEV(card));
6143 rc = qeth_qdio_clear_card(card,card->info.type==QETH_CARD_TYPE_OSAE);
6144 if (rc == -ERESTARTSYS) {
6145 QETH_DBF_TEXT(setup, 2, "break1");
6148 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6154 if ((rc = qeth_get_unitaddr(card))){
6155 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6158 qeth_init_tokens(card);
6159 qeth_init_func_level(card);
6160 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6161 if (rc == -ERESTARTSYS) {
6162 QETH_DBF_TEXT(setup, 2, "break2");
6165 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6171 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6172 if (rc == -ERESTARTSYS) {
6173 QETH_DBF_TEXT(setup, 2, "break3");
6176 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6182 if ((rc = qeth_mpc_initialize(card))){
6183 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6186 /*network device will be recovered*/
6188 card->dev->hard_header = card->orig_hard_header;
6191 /* at first set_online allocate netdev */
6192 card->dev = qeth_get_netdevice(card->info.type,
6193 card->info.link_type);
6195 qeth_qdio_clear_card(card, card->info.type ==
6196 QETH_CARD_TYPE_OSAE);
6198 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6201 card->dev->priv = card;
6202 card->orig_hard_header = card->dev->hard_header;
6203 card->dev->type = qeth_get_arphdr_type(card->info.type,
6204 card->info.link_type);
6205 card->dev->init = qeth_netdev_init;
6208 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6213 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6216 struct qeth_ipa_cmd *cmd;
6218 QETH_DBF_TEXT(trace,4,"defadpcb");
6220 cmd = (struct qeth_ipa_cmd *) data;
6221 if (cmd->hdr.return_code == 0){
6222 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6223 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6224 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6225 #ifdef CONFIG_QETH_IPV6
6226 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6227 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6230 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6231 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6232 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6233 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6239 qeth_default_setadapterparms_cb(struct qeth_card *card,
6240 struct qeth_reply *reply,
6243 struct qeth_ipa_cmd *cmd;
6245 QETH_DBF_TEXT(trace,4,"defadpcb");
6247 cmd = (struct qeth_ipa_cmd *) data;
6248 if (cmd->hdr.return_code == 0)
6249 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6254 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6257 struct qeth_ipa_cmd *cmd;
6259 QETH_DBF_TEXT(trace,3,"quyadpcb");
6261 cmd = (struct qeth_ipa_cmd *) data;
6262 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6263 card->info.link_type =
6264 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6265 card->options.adp.supported_funcs =
6266 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6267 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6271 qeth_query_setadapterparms(struct qeth_card *card)
6274 struct qeth_cmd_buffer *iob;
6276 QETH_DBF_TEXT(trace,3,"queryadp");
6277 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6278 sizeof(struct qeth_ipacmd_setadpparms));
6279 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6284 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6285 struct qeth_reply *reply,
6288 struct qeth_ipa_cmd *cmd;
6290 QETH_DBF_TEXT(trace,4,"chgmaccb");
6292 cmd = (struct qeth_ipa_cmd *) data;
6293 memcpy(card->dev->dev_addr,
6294 &cmd->data.setadapterparms.data.change_addr.addr,OSA_ADDR_LEN);
6295 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6300 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6303 struct qeth_cmd_buffer *iob;
6304 struct qeth_ipa_cmd *cmd;
6306 QETH_DBF_TEXT(trace,4,"chgmac");
6308 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6309 sizeof(struct qeth_ipacmd_setadpparms));
6310 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6311 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6312 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6313 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6314 card->dev->dev_addr, OSA_ADDR_LEN);
6315 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6321 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6324 struct qeth_cmd_buffer *iob;
6325 struct qeth_ipa_cmd *cmd;
6327 QETH_DBF_TEXT(trace,4,"adpmode");
6329 iob = qeth_get_adapter_cmd(card, command,
6330 sizeof(struct qeth_ipacmd_setadpparms));
6331 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6332 cmd->data.setadapterparms.data.mode = mode;
6333 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6339 qeth_setadapter_hstr(struct qeth_card *card)
6343 QETH_DBF_TEXT(trace,4,"adphstr");
6345 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6346 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6347 card->options.broadcast_mode);
6349 PRINT_WARN("couldn't set broadcast mode on "
6351 CARD_BUS_ID(card), rc);
6352 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6353 card->options.macaddr_mode);
6355 PRINT_WARN("couldn't set macaddr mode on "
6356 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6359 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6360 PRINT_WARN("set adapter parameters not available "
6361 "to set broadcast mode, using ALLRINGS "
6362 "on device %s:\n", CARD_BUS_ID(card));
6363 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6364 PRINT_WARN("set adapter parameters not available "
6365 "to set macaddr mode, using NONCANONICAL "
6366 "on device %s:\n", CARD_BUS_ID(card));
6371 qeth_setadapter_parms(struct qeth_card *card)
6375 QETH_DBF_TEXT(setup, 2, "setadprm");
6377 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6378 PRINT_WARN("set adapter parameters not supported "
6381 QETH_DBF_TEXT(setup, 2, " notsupp");
6384 rc = qeth_query_setadapterparms(card);
6386 PRINT_WARN("couldn't set adapter parameters on device %s: "
6387 "x%x\n", CARD_BUS_ID(card), rc);
6390 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6391 rc = qeth_setadpparms_change_macaddr(card);
6393 PRINT_WARN("couldn't get MAC address on "
6395 CARD_BUS_ID(card), rc);
6398 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6399 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6400 rc = qeth_setadapter_hstr(card);
6406 qeth_layer2_initialize(struct qeth_card *card)
6411 QETH_DBF_TEXT(setup, 2, "doL2init");
6412 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6414 rc = qeth_setadpparms_change_macaddr(card);
6416 PRINT_WARN("couldn't get MAC address on "
6418 CARD_BUS_ID(card), rc);
6419 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6422 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6424 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6426 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6432 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6433 enum qeth_prot_versions prot)
6436 struct qeth_cmd_buffer *iob;
6438 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6439 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6445 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6449 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6451 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6456 qeth_send_stoplan(struct qeth_card *card)
6461 * TODO: according to the IPA format document page 14,
6462 * TCP/IP (we!) never issue a STOPLAN
6465 QETH_DBF_TEXT(trace, 2, "stoplan");
6467 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6472 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6475 struct qeth_ipa_cmd *cmd;
6477 QETH_DBF_TEXT(setup, 2, "qipasscb");
6479 cmd = (struct qeth_ipa_cmd *) data;
6480 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6481 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6482 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6484 #ifdef CONFIG_QETH_IPV6
6485 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6486 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6489 QETH_DBF_TEXT(setup, 2, "suppenbl");
6490 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6491 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6496 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6499 struct qeth_cmd_buffer *iob;
6501 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6502 if (card->options.layer2) {
6503 QETH_DBF_TEXT(setup, 2, "noprmly2");
6507 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6508 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6512 static struct qeth_cmd_buffer *
6513 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6514 __u16 cmd_code, __u16 len,
6515 enum qeth_prot_versions prot)
6517 struct qeth_cmd_buffer *iob;
6518 struct qeth_ipa_cmd *cmd;
6520 QETH_DBF_TEXT(trace,4,"getasscm");
6521 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6523 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6524 cmd->data.setassparms.hdr.assist_no = ipa_func;
6525 cmd->data.setassparms.hdr.length = 8 + len;
6526 cmd->data.setassparms.hdr.command_code = cmd_code;
6527 cmd->data.setassparms.hdr.return_code = 0;
6528 cmd->data.setassparms.hdr.seq_no = 0;
6534 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6535 __u16 len, long data,
6537 (struct qeth_card *,struct qeth_reply *,unsigned long),
6541 struct qeth_ipa_cmd *cmd;
6543 QETH_DBF_TEXT(trace,4,"sendassp");
6545 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6546 if (len <= sizeof(__u32))
6547 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6548 else if (len > sizeof(__u32))
6549 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6551 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6555 #ifdef CONFIG_QETH_IPV6
6557 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6558 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6562 struct qeth_cmd_buffer *iob;
6564 QETH_DBF_TEXT(trace,4,"simassp6");
6565 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6567 rc = qeth_send_setassparms(card, iob, 0, 0,
6568 qeth_default_setassparms_cb, NULL);
6574 qeth_send_simple_setassparms(struct qeth_card *card,
6575 enum qeth_ipa_funcs ipa_func,
6576 __u16 cmd_code, long data)
6580 struct qeth_cmd_buffer *iob;
6582 QETH_DBF_TEXT(trace,4,"simassp4");
6584 length = sizeof(__u32);
6585 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6586 length, QETH_PROT_IPV4);
6587 rc = qeth_send_setassparms(card, iob, length, data,
6588 qeth_default_setassparms_cb, NULL);
6593 qeth_start_ipa_arp_processing(struct qeth_card *card)
6597 QETH_DBF_TEXT(trace,3,"ipaarp");
6599 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6600 PRINT_WARN("ARP processing not supported "
6601 "on %s!\n", QETH_CARD_IFNAME(card));
6604 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6605 IPA_CMD_ASS_START, 0);
6607 PRINT_WARN("Could not start ARP processing "
6608 "assist on %s: 0x%x\n",
6609 QETH_CARD_IFNAME(card), rc);
6615 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6619 QETH_DBF_TEXT(trace,3,"ipaipfrg");
6621 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6622 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6623 QETH_CARD_IFNAME(card));
6627 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6628 IPA_CMD_ASS_START, 0);
6630 PRINT_WARN("Could not start Hardware IP fragmentation "
6631 "assist on %s: 0x%x\n",
6632 QETH_CARD_IFNAME(card), rc);
6634 PRINT_INFO("Hardware IP fragmentation enabled \n");
6639 qeth_start_ipa_source_mac(struct qeth_card *card)
6643 QETH_DBF_TEXT(trace,3,"stsrcmac");
6645 if (!card->options.fake_ll)
6648 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6649 PRINT_INFO("Inbound source address not "
6650 "supported on %s\n", QETH_CARD_IFNAME(card));
6654 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6655 IPA_CMD_ASS_START, 0);
6657 PRINT_WARN("Could not start inbound source "
6658 "assist on %s: 0x%x\n",
6659 QETH_CARD_IFNAME(card), rc);
6664 qeth_start_ipa_vlan(struct qeth_card *card)
6668 QETH_DBF_TEXT(trace,3,"strtvlan");
6670 #ifdef CONFIG_QETH_VLAN
6671 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6672 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
6676 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6677 IPA_CMD_ASS_START,0);
6679 PRINT_WARN("Could not start vlan "
6680 "assist on %s: 0x%x\n",
6681 QETH_CARD_IFNAME(card), rc);
6683 PRINT_INFO("VLAN enabled \n");
6684 card->dev->features |=
6685 NETIF_F_HW_VLAN_FILTER |
6686 NETIF_F_HW_VLAN_TX |
6689 #endif /* QETH_VLAN */
6694 qeth_start_ipa_multicast(struct qeth_card *card)
6698 QETH_DBF_TEXT(trace,3,"stmcast");
6700 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
6701 PRINT_WARN("Multicast not supported on %s\n",
6702 QETH_CARD_IFNAME(card));
6706 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
6707 IPA_CMD_ASS_START,0);
6709 PRINT_WARN("Could not start multicast "
6710 "assist on %s: rc=%i\n",
6711 QETH_CARD_IFNAME(card), rc);
6713 PRINT_INFO("Multicast enabled\n");
6714 card->dev->flags |= IFF_MULTICAST;
6719 #ifdef CONFIG_QETH_IPV6
6721 qeth_softsetup_ipv6(struct qeth_card *card)
6725 QETH_DBF_TEXT(trace,3,"softipv6");
6727 netif_stop_queue(card->dev);
6728 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
6730 PRINT_ERR("IPv6 startlan failed on %s\n",
6731 QETH_CARD_IFNAME(card));
6734 netif_wake_queue(card->dev);
6735 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
6737 PRINT_ERR("IPv6 query ipassist failed on %s\n",
6738 QETH_CARD_IFNAME(card));
6741 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
6742 IPA_CMD_ASS_START, 3);
6744 PRINT_WARN("IPv6 start assist (version 4) failed "
6746 QETH_CARD_IFNAME(card), rc);
6749 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
6752 PRINT_WARN("IPV6 start assist (version 6) failed "
6754 QETH_CARD_IFNAME(card), rc);
6757 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
6760 PRINT_WARN("Could not enable passthrough "
6762 QETH_CARD_IFNAME(card), rc);
6765 PRINT_INFO("IPV6 enabled \n");
6772 qeth_start_ipa_ipv6(struct qeth_card *card)
6775 #ifdef CONFIG_QETH_IPV6
6776 QETH_DBF_TEXT(trace,3,"strtipv6");
6778 if (!qeth_is_supported(card, IPA_IPV6)) {
6779 PRINT_WARN("IPv6 not supported on %s\n",
6780 QETH_CARD_IFNAME(card));
6783 rc = qeth_softsetup_ipv6(card);
6789 qeth_start_ipa_broadcast(struct qeth_card *card)
6793 QETH_DBF_TEXT(trace,3,"stbrdcst");
6794 card->info.broadcast_capable = 0;
6795 if (!qeth_is_supported(card, IPA_FILTERING)) {
6796 PRINT_WARN("Broadcast not supported on %s\n",
6797 QETH_CARD_IFNAME(card));
6801 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
6802 IPA_CMD_ASS_START, 0);
6804 PRINT_WARN("Could not enable broadcasting filtering "
6806 QETH_CARD_IFNAME(card), rc);
6810 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
6811 IPA_CMD_ASS_CONFIGURE, 1);
6813 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
6814 QETH_CARD_IFNAME(card), rc);
6817 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
6818 PRINT_INFO("Broadcast enabled \n");
6819 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
6820 IPA_CMD_ASS_ENABLE, 1);
6822 PRINT_WARN("Could not set up broadcast echo filtering on "
6823 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
6826 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
6828 if (card->info.broadcast_capable)
6829 card->dev->flags |= IFF_BROADCAST;
6831 card->dev->flags &= ~IFF_BROADCAST;
6836 qeth_send_checksum_command(struct qeth_card *card)
6840 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
6841 IPA_CMD_ASS_START, 0);
6843 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
6844 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
6845 QETH_CARD_IFNAME(card), rc);
6848 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
6850 card->info.csum_mask);
6852 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
6853 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
6854 QETH_CARD_IFNAME(card), rc);
6861 qeth_start_ipa_checksum(struct qeth_card *card)
6865 QETH_DBF_TEXT(trace,3,"strtcsum");
6867 if (card->options.checksum_type == NO_CHECKSUMMING) {
6868 PRINT_WARN("Using no checksumming on %s.\n",
6869 QETH_CARD_IFNAME(card));
6872 if (card->options.checksum_type == SW_CHECKSUMMING) {
6873 PRINT_WARN("Using SW checksumming on %s.\n",
6874 QETH_CARD_IFNAME(card));
6877 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
6878 PRINT_WARN("Inbound HW Checksumming not "
6879 "supported on %s,\ncontinuing "
6880 "using Inbound SW Checksumming\n",
6881 QETH_CARD_IFNAME(card));
6882 card->options.checksum_type = SW_CHECKSUMMING;
6885 rc = qeth_send_checksum_command(card);
6887 PRINT_INFO("HW Checksumming (inbound) enabled \n");
6893 qeth_start_ipa_tso(struct qeth_card *card)
6897 QETH_DBF_TEXT(trace,3,"sttso");
6899 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
6900 PRINT_WARN("Outbound TSO not supported on %s\n",
6901 QETH_CARD_IFNAME(card));
6904 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
6905 IPA_CMD_ASS_START,0);
6907 PRINT_WARN("Could not start outbound TSO "
6908 "assist on %s: rc=%i\n",
6909 QETH_CARD_IFNAME(card), rc);
6911 PRINT_INFO("Outbound TSO enabled\n");
6913 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
6914 card->options.large_send = QETH_LARGE_SEND_NO;
6915 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
6921 qeth_start_ipassists(struct qeth_card *card)
6923 QETH_DBF_TEXT(trace,3,"strtipas");
6924 qeth_start_ipa_arp_processing(card); /* go on*/
6925 qeth_start_ipa_ip_fragmentation(card); /* go on*/
6926 qeth_start_ipa_source_mac(card); /* go on*/
6927 qeth_start_ipa_vlan(card); /* go on*/
6928 qeth_start_ipa_multicast(card); /* go on*/
6929 qeth_start_ipa_ipv6(card); /* go on*/
6930 qeth_start_ipa_broadcast(card); /* go on*/
6931 qeth_start_ipa_checksum(card); /* go on*/
6932 qeth_start_ipa_tso(card); /* go on*/
6937 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
6938 enum qeth_prot_versions prot)
6941 struct qeth_ipa_cmd *cmd;
6942 struct qeth_cmd_buffer *iob;
6944 QETH_DBF_TEXT(trace,4,"setroutg");
6945 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
6946 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6947 cmd->data.setrtg.type = (type);
6948 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6955 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
6956 enum qeth_prot_versions prot)
6958 if (card->info.type == QETH_CARD_TYPE_IQD) {
6961 case PRIMARY_CONNECTOR:
6962 case SECONDARY_CONNECTOR:
6963 case MULTICAST_ROUTER:
6971 case PRIMARY_ROUTER:
6972 case SECONDARY_ROUTER:
6974 case MULTICAST_ROUTER:
6975 if (qeth_is_ipafunc_supported(card, prot,
6983 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
6984 "Router status set to 'no router'.\n",
6985 ((*type == PRIMARY_ROUTER)? "primary router" :
6986 (*type == SECONDARY_ROUTER)? "secondary router" :
6987 (*type == PRIMARY_CONNECTOR)? "primary connector" :
6988 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
6989 (*type == MULTICAST_ROUTER)? "multicast router" :
6996 qeth_setrouting_v4(struct qeth_card *card)
7000 QETH_DBF_TEXT(trace,3,"setrtg4");
7002 qeth_correct_routing_type(card, &card->options.route4.type,
7005 rc = qeth_send_setrouting(card, card->options.route4.type,
7008 card->options.route4.type = NO_ROUTER;
7009 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7010 "Type set to 'no router'.\n",
7011 rc, QETH_CARD_IFNAME(card));
7017 qeth_setrouting_v6(struct qeth_card *card)
7021 QETH_DBF_TEXT(trace,3,"setrtg6");
7022 #ifdef CONFIG_QETH_IPV6
7024 qeth_correct_routing_type(card, &card->options.route6.type,
7027 if ((card->options.route6.type == NO_ROUTER) ||
7028 ((card->info.type == QETH_CARD_TYPE_OSAE) &&
7029 (card->options.route6.type == MULTICAST_ROUTER) &&
7030 !qeth_is_supported6(card,IPA_OSA_MC_ROUTER)))
7032 rc = qeth_send_setrouting(card, card->options.route6.type,
7035 card->options.route6.type = NO_ROUTER;
7036 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7037 "Type set to 'no router'.\n",
7038 rc, QETH_CARD_IFNAME(card));
7045 qeth_set_large_send(struct qeth_card *card)
7049 if (card->dev == NULL)
7052 netif_stop_queue(card->dev);
7053 switch (card->options.large_send) {
7054 case QETH_LARGE_SEND_EDDP:
7055 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7057 case QETH_LARGE_SEND_TSO:
7058 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7059 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7061 PRINT_WARN("TSO not supported on %s. "
7062 "large_send set to 'no'.\n",
7064 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7065 card->options.large_send = QETH_LARGE_SEND_NO;
7069 default: /* includes QETH_LARGE_SEND_NO */
7070 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7074 netif_wake_queue(card->dev);
7079 * softsetup card: init IPA stuff
7082 qeth_softsetup_card(struct qeth_card *card)
7086 QETH_DBF_TEXT(setup, 2, "softsetp");
7088 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7089 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7091 PRINT_WARN("LAN on card %s if offline! "
7092 "Continuing softsetup.\n",
7094 card->lan_online = 0;
7098 card->lan_online = 1;
7099 if (card->options.layer2) {
7100 card->dev->features |=
7101 NETIF_F_HW_VLAN_FILTER |
7102 NETIF_F_HW_VLAN_TX |
7104 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7105 card->info.broadcast_capable=1;
7106 if ((rc = qeth_layer2_initialize(card))) {
7107 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7110 #ifdef CONFIG_QETH_VLAN
7111 qeth_layer2_process_vlans(card, 0);
7115 if ((card->options.large_send == QETH_LARGE_SEND_EDDP) ||
7116 (card->options.large_send == QETH_LARGE_SEND_TSO))
7117 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7119 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7121 if ((rc = qeth_setadapter_parms(card)))
7122 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7123 if ((rc = qeth_start_ipassists(card)))
7124 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7125 if ((rc = qeth_setrouting_v4(card)))
7126 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7127 if ((rc = qeth_setrouting_v6(card)))
7128 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7130 netif_stop_queue(card->dev);
7134 #ifdef CONFIG_QETH_IPV6
7136 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7139 struct qeth_ipa_cmd *cmd;
7141 cmd = (struct qeth_ipa_cmd *) data;
7142 if (cmd->hdr.return_code == 0)
7143 card->info.unique_id = *((__u16 *)
7144 &cmd->data.create_destroy_addr.unique_id[6]);
7146 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7147 UNIQUE_ID_NOT_BY_CARD;
7148 PRINT_WARN("couldn't get a unique id from the card on device "
7149 "%s (result=x%x), using default id. ipv6 "
7150 "autoconfig on other lpars may lead to duplicate "
7151 "ip addresses. please use manually "
7152 "configured ones.\n",
7153 CARD_BUS_ID(card), cmd->hdr.return_code);
7160 qeth_put_unique_id(struct qeth_card *card)
7164 #ifdef CONFIG_QETH_IPV6
7165 struct qeth_cmd_buffer *iob;
7166 struct qeth_ipa_cmd *cmd;
7168 QETH_DBF_TEXT(trace,2,"puniqeid");
7170 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7171 UNIQUE_ID_NOT_BY_CARD)
7173 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7175 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7176 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7177 card->info.unique_id;
7178 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7179 card->dev->dev_addr, OSA_ADDR_LEN);
7180 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7182 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7183 UNIQUE_ID_NOT_BY_CARD;
7192 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7194 struct qeth_ipaddr *addr, *tmp;
7195 unsigned long flags;
7197 QETH_DBF_TEXT(trace,4,"clearip");
7198 spin_lock_irqsave(&card->ip_lock, flags);
7199 /* clear todo list */
7200 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7201 list_del(&addr->entry);
7205 while (!list_empty(&card->ip_list)) {
7206 addr = list_entry(card->ip_list.next,
7207 struct qeth_ipaddr, entry);
7208 list_del_init(&addr->entry);
7210 spin_unlock_irqrestore(&card->ip_lock, flags);
7211 qeth_deregister_addr_entry(card, addr);
7212 spin_lock_irqsave(&card->ip_lock, flags);
7214 if (!recover || addr->is_multicast) {
7218 list_add_tail(&addr->entry, card->ip_tbd_list);
7220 spin_unlock_irqrestore(&card->ip_lock, flags);
7224 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7225 int clear_start_mask)
7227 unsigned long flags;
7229 spin_lock_irqsave(&card->thread_mask_lock, flags);
7230 card->thread_allowed_mask = threads;
7231 if (clear_start_mask)
7232 card->thread_start_mask &= threads;
7233 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7234 wake_up(&card->wait_q);
7238 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7240 unsigned long flags;
7243 spin_lock_irqsave(&card->thread_mask_lock, flags);
7244 rc = (card->thread_running_mask & threads);
7245 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7250 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7252 return wait_event_interruptible(card->wait_q,
7253 qeth_threads_running(card, threads) == 0);
7257 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7261 QETH_DBF_TEXT(setup ,2,"stopcard");
7262 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7264 qeth_set_allowed_threads(card, 0, 1);
7265 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7266 return -ERESTARTSYS;
7267 if (card->read.state == CH_STATE_UP &&
7268 card->write.state == CH_STATE_UP &&
7269 (card->state == CARD_STATE_UP)) {
7271 qeth_stop(card->dev);
7274 dev_close(card->dev);
7277 if (!card->use_hard_stop) {
7278 __u8 *mac = &card->dev->dev_addr[0];
7279 rc = qeth_layer2_send_delmac(card, mac);
7280 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7281 if ((rc = qeth_send_stoplan(card)))
7282 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7284 card->state = CARD_STATE_SOFTSETUP;
7286 if (card->state == CARD_STATE_SOFTSETUP) {
7287 #ifdef CONFIG_QETH_VLAN
7288 if (card->options.layer2)
7289 qeth_layer2_process_vlans(card, 1);
7291 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7292 qeth_clear_ipacmd_list(card);
7293 card->state = CARD_STATE_HARDSETUP;
7295 if (card->state == CARD_STATE_HARDSETUP) {
7296 if ((!card->use_hard_stop) &&
7297 (!card->options.layer2))
7298 if ((rc = qeth_put_unique_id(card)))
7299 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7300 qeth_qdio_clear_card(card, 0);
7301 qeth_clear_qdio_buffers(card);
7302 qeth_clear_working_pool_list(card);
7303 card->state = CARD_STATE_DOWN;
7305 if (card->state == CARD_STATE_DOWN) {
7306 qeth_clear_cmd_buffers(&card->read);
7307 qeth_clear_cmd_buffers(&card->write);
7309 card->use_hard_stop = 0;
7315 qeth_get_unique_id(struct qeth_card *card)
7318 #ifdef CONFIG_QETH_IPV6
7319 struct qeth_cmd_buffer *iob;
7320 struct qeth_ipa_cmd *cmd;
7322 QETH_DBF_TEXT(setup, 2, "guniqeid");
7324 if (!qeth_is_supported(card,IPA_IPV6)) {
7325 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7326 UNIQUE_ID_NOT_BY_CARD;
7330 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7332 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7333 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7334 card->info.unique_id;
7336 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7338 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7339 UNIQUE_ID_NOT_BY_CARD;
7344 qeth_print_status_with_portname(struct qeth_card *card)
7349 sprintf(dbf_text, "%s", card->info.portname + 1);
7350 for (i = 0; i < 8; i++)
7352 (char) _ebcasc[(__u8) dbf_text[i]];
7354 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7355 "with link type %s (portname: %s)\n",
7359 qeth_get_cardname(card),
7360 (card->info.mcl_level[0]) ? " (level: " : "",
7361 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7362 (card->info.mcl_level[0]) ? ")" : "",
7363 qeth_get_cardname_short(card),
7369 qeth_print_status_no_portname(struct qeth_card *card)
7371 if (card->info.portname[0])
7372 printk("qeth: Device %s/%s/%s is a%s "
7373 "card%s%s%s\nwith link type %s "
7374 "(no portname needed by interface).\n",
7378 qeth_get_cardname(card),
7379 (card->info.mcl_level[0]) ? " (level: " : "",
7380 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7381 (card->info.mcl_level[0]) ? ")" : "",
7382 qeth_get_cardname_short(card));
7384 printk("qeth: Device %s/%s/%s is a%s "
7385 "card%s%s%s\nwith link type %s.\n",
7389 qeth_get_cardname(card),
7390 (card->info.mcl_level[0]) ? " (level: " : "",
7391 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7392 (card->info.mcl_level[0]) ? ")" : "",
7393 qeth_get_cardname_short(card));
7397 qeth_print_status_message(struct qeth_card *card)
7399 switch (card->info.type) {
7400 case QETH_CARD_TYPE_OSAE:
7401 /* VM will use a non-zero first character
7402 * to indicate a HiperSockets like reporting
7403 * of the level OSA sets the first character to zero
7405 if (!card->info.mcl_level[0]) {
7406 sprintf(card->info.mcl_level,"%02x%02x",
7407 card->info.mcl_level[2],
7408 card->info.mcl_level[3]);
7410 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7414 case QETH_CARD_TYPE_IQD:
7415 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7416 card->info.mcl_level[0]];
7417 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7418 card->info.mcl_level[1]];
7419 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7420 card->info.mcl_level[2]];
7421 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7422 card->info.mcl_level[3]];
7423 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7426 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7428 if (card->info.portname_required)
7429 qeth_print_status_with_portname(card);
7431 qeth_print_status_no_portname(card);
7435 qeth_register_netdev(struct qeth_card *card)
7437 QETH_DBF_TEXT(setup, 3, "regnetd");
7438 if (card->dev->reg_state != NETREG_UNINITIALIZED) {
7439 qeth_netdev_init(card->dev);
7443 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7444 return register_netdev(card->dev);
7448 qeth_start_again(struct qeth_card *card, int recovery_mode)
7450 QETH_DBF_TEXT(setup ,2, "startag");
7453 qeth_open(card->dev);
7456 dev_open(card->dev);
7459 /* this also sets saved unicast addresses */
7460 qeth_set_multicast_list(card->dev);
7464 /* Layer 2 specific stuff */
7465 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7466 if (card->options.option == value) { \
7467 PRINT_ERR("%s not supported with layer 2 " \
7468 "functionality, ignoring option on read" \
7469 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7470 card->options.option = reset_value; \
7472 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7473 if (card->options.option != value) { \
7474 PRINT_ERR("%s not supported with layer 2 " \
7475 "functionality, ignoring option on read" \
7476 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7477 card->options.option = reset_value; \
7481 static void qeth_make_parameters_consistent(struct qeth_card *card)
7484 if (card->options.layer2) {
7485 if (card->info.type == QETH_CARD_TYPE_IQD) {
7486 PRINT_ERR("Device %s does not support " \
7487 "layer 2 functionality. " \
7488 "Ignoring layer2 option.\n",CARD_BUS_ID(card));
7490 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7491 "Routing options are");
7492 #ifdef CONFIG_QETH_IPV6
7493 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7494 "Routing options are");
7496 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7497 QETH_CHECKSUM_DEFAULT,
7498 "Checksumming options are");
7499 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7500 QETH_TR_BROADCAST_ALLRINGS,
7501 "Broadcast mode options are");
7502 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7503 QETH_TR_MACADDR_NONCANONICAL,
7504 "Canonical MAC addr options are");
7505 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7506 "Broadcast faking options are");
7507 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7508 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7509 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7515 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7517 struct qeth_card *card = gdev->dev.driver_data;
7519 enum qeth_card_states recover_flag;
7522 QETH_DBF_TEXT(setup ,2, "setonlin");
7523 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7525 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7526 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7527 PRINT_WARN("set_online of card %s interrupted by user!\n",
7529 return -ERESTARTSYS;
7532 recover_flag = card->state;
7533 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7534 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7535 (rc = ccw_device_set_online(CARD_DDEV(card)))){
7536 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7540 if (card->options.layer2)
7541 qeth_make_parameters_consistent(card);
7543 if ((rc = qeth_hardsetup_card(card))){
7544 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7547 card->state = CARD_STATE_HARDSETUP;
7549 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7550 rc = qeth_get_unique_id(card);
7552 if (rc && card->options.layer2 == 0) {
7553 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7556 qeth_print_status_message(card);
7557 if ((rc = qeth_register_netdev(card))){
7558 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7561 if ((rc = qeth_softsetup_card(card))){
7562 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7565 card->state = CARD_STATE_SOFTSETUP;
7567 if ((rc = qeth_init_qdio_queues(card))){
7568 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7571 /*maybe it was set offline without ifconfig down
7572 * we can also use this state for recovery purposes*/
7573 qeth_set_allowed_threads(card, 0xffffffff, 0);
7574 if (recover_flag == CARD_STATE_RECOVER)
7575 qeth_start_again(card, recovery_mode);
7576 qeth_notify_processes();
7579 card->use_hard_stop = 1;
7580 qeth_stop_card(card, 0);
7581 ccw_device_set_offline(CARD_DDEV(card));
7582 ccw_device_set_offline(CARD_WDEV(card));
7583 ccw_device_set_offline(CARD_RDEV(card));
7584 if (recover_flag == CARD_STATE_RECOVER)
7585 card->state = CARD_STATE_RECOVER;
7587 card->state = CARD_STATE_DOWN;
7592 qeth_set_online(struct ccwgroup_device *gdev)
7594 return __qeth_set_online(gdev, 0);
7597 static struct ccw_device_id qeth_ids[] = {
7598 {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
7599 {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
7602 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7604 struct device *qeth_root_dev = NULL;
7606 struct ccwgroup_driver qeth_ccwgroup_driver = {
7607 .owner = THIS_MODULE,
7609 .driver_id = 0xD8C5E3C8,
7610 .probe = qeth_probe_device,
7611 .remove = qeth_remove_device,
7612 .set_online = qeth_set_online,
7613 .set_offline = qeth_set_offline,
7616 struct ccw_driver qeth_ccw_driver = {
7619 .probe = ccwgroup_probe_ccwdev,
7620 .remove = ccwgroup_remove_ccwdev,
7625 qeth_unregister_dbf_views(void)
7628 debug_unregister(qeth_dbf_setup);
7630 debug_unregister(qeth_dbf_qerr);
7632 debug_unregister(qeth_dbf_sense);
7634 debug_unregister(qeth_dbf_misc);
7636 debug_unregister(qeth_dbf_data);
7637 if (qeth_dbf_control)
7638 debug_unregister(qeth_dbf_control);
7640 debug_unregister(qeth_dbf_trace);
7643 qeth_register_dbf_views(void)
7645 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7646 QETH_DBF_SETUP_INDEX,
7647 QETH_DBF_SETUP_NR_AREAS,
7648 QETH_DBF_SETUP_LEN);
7649 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7650 QETH_DBF_MISC_INDEX,
7651 QETH_DBF_MISC_NR_AREAS,
7653 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7654 QETH_DBF_DATA_INDEX,
7655 QETH_DBF_DATA_NR_AREAS,
7657 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7658 QETH_DBF_CONTROL_INDEX,
7659 QETH_DBF_CONTROL_NR_AREAS,
7660 QETH_DBF_CONTROL_LEN);
7661 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7662 QETH_DBF_SENSE_INDEX,
7663 QETH_DBF_SENSE_NR_AREAS,
7664 QETH_DBF_SENSE_LEN);
7665 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7666 QETH_DBF_QERR_INDEX,
7667 QETH_DBF_QERR_NR_AREAS,
7669 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7670 QETH_DBF_TRACE_INDEX,
7671 QETH_DBF_TRACE_NR_AREAS,
7672 QETH_DBF_TRACE_LEN);
7674 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
7675 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
7676 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
7677 (qeth_dbf_trace == NULL)) {
7678 qeth_unregister_dbf_views();
7681 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7682 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
7684 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
7685 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
7687 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
7688 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
7690 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
7691 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
7693 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
7694 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
7696 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
7697 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
7699 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
7700 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
7705 #ifdef CONFIG_QETH_IPV6
7706 extern struct neigh_table arp_tbl;
7707 static struct neigh_ops *arp_direct_ops;
7708 static int (*qeth_old_arp_constructor) (struct neighbour *);
7710 static struct neigh_ops arp_direct_ops_template = {
7714 .error_report = NULL,
7715 .output = dev_queue_xmit,
7716 .connected_output = dev_queue_xmit,
7717 .hh_output = dev_queue_xmit,
7718 .queue_xmit = dev_queue_xmit
7722 qeth_arp_constructor(struct neighbour *neigh)
7724 struct net_device *dev = neigh->dev;
7725 struct in_device *in_dev;
7726 struct neigh_parms *parms;
7727 struct qeth_card *card;
7729 card = qeth_get_card_from_dev(dev);
7732 if((card->options.layer2) ||
7733 (card->dev->hard_header == qeth_fake_header))
7737 in_dev = rcu_dereference(__in_dev_get(dev));
7738 if (in_dev == NULL) {
7743 parms = in_dev->arp_parms;
7744 __neigh_parms_put(neigh->parms);
7745 neigh->parms = neigh_parms_clone(parms);
7748 neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
7749 neigh->nud_state = NUD_NOARP;
7750 neigh->ops = arp_direct_ops;
7751 neigh->output = neigh->ops->queue_xmit;
7754 return qeth_old_arp_constructor(neigh);
7756 #endif /*CONFIG_QETH_IPV6*/
7759 * IP address takeover related functions
7762 qeth_clear_ipato_list(struct qeth_card *card)
7764 struct qeth_ipato_entry *ipatoe, *tmp;
7765 unsigned long flags;
7767 spin_lock_irqsave(&card->ip_lock, flags);
7768 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
7769 list_del(&ipatoe->entry);
7772 spin_unlock_irqrestore(&card->ip_lock, flags);
7776 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
7778 struct qeth_ipato_entry *ipatoe;
7779 unsigned long flags;
7782 QETH_DBF_TEXT(trace, 2, "addipato");
7783 spin_lock_irqsave(&card->ip_lock, flags);
7784 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
7785 if (ipatoe->proto != new->proto)
7787 if (!memcmp(ipatoe->addr, new->addr,
7788 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
7789 (ipatoe->mask_bits == new->mask_bits)){
7790 PRINT_WARN("ipato entry already exists!\n");
7796 list_add_tail(&new->entry, &card->ipato.entries);
7798 spin_unlock_irqrestore(&card->ip_lock, flags);
7803 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
7804 u8 *addr, int mask_bits)
7806 struct qeth_ipato_entry *ipatoe, *tmp;
7807 unsigned long flags;
7809 QETH_DBF_TEXT(trace, 2, "delipato");
7810 spin_lock_irqsave(&card->ip_lock, flags);
7811 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
7812 if (ipatoe->proto != proto)
7814 if (!memcmp(ipatoe->addr, addr,
7815 (proto == QETH_PROT_IPV4)? 4:16) &&
7816 (ipatoe->mask_bits == mask_bits)){
7817 list_del(&ipatoe->entry);
7821 spin_unlock_irqrestore(&card->ip_lock, flags);
7825 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
7830 for (i = 0; i < len; ++i){
7832 for (j = 7; j >= 0; --j){
7833 bits[i*8 + j] = octet & 1;
7840 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
7842 struct qeth_ipato_entry *ipatoe;
7843 u8 addr_bits[128] = {0, };
7844 u8 ipatoe_bits[128] = {0, };
7847 if (!card->ipato.enabled)
7850 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
7851 (addr->proto == QETH_PROT_IPV4)? 4:16);
7852 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
7853 if (addr->proto != ipatoe->proto)
7855 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
7856 (ipatoe->proto==QETH_PROT_IPV4) ?
7858 if (addr->proto == QETH_PROT_IPV4)
7859 rc = !memcmp(addr_bits, ipatoe_bits,
7860 min(32, ipatoe->mask_bits));
7862 rc = !memcmp(addr_bits, ipatoe_bits,
7863 min(128, ipatoe->mask_bits));
7868 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
7870 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
7877 * VIPA related functions
7880 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
7883 struct qeth_ipaddr *ipaddr;
7884 unsigned long flags;
7887 ipaddr = qeth_get_addr_buffer(proto);
7889 if (proto == QETH_PROT_IPV4){
7890 QETH_DBF_TEXT(trace, 2, "addvipa4");
7891 memcpy(&ipaddr->u.a4.addr, addr, 4);
7892 ipaddr->u.a4.mask = 0;
7893 #ifdef CONFIG_QETH_IPV6
7894 } else if (proto == QETH_PROT_IPV6){
7895 QETH_DBF_TEXT(trace, 2, "addvipa6");
7896 memcpy(&ipaddr->u.a6.addr, addr, 16);
7897 ipaddr->u.a6.pfxlen = 0;
7900 ipaddr->type = QETH_IP_TYPE_VIPA;
7901 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
7902 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
7905 spin_lock_irqsave(&card->ip_lock, flags);
7906 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
7907 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
7909 spin_unlock_irqrestore(&card->ip_lock, flags);
7911 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
7914 if (!qeth_add_ip(card, ipaddr))
7916 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7917 schedule_work(&card->kernel_thread_starter);
7922 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
7925 struct qeth_ipaddr *ipaddr;
7927 ipaddr = qeth_get_addr_buffer(proto);
7929 if (proto == QETH_PROT_IPV4){
7930 QETH_DBF_TEXT(trace, 2, "delvipa4");
7931 memcpy(&ipaddr->u.a4.addr, addr, 4);
7932 ipaddr->u.a4.mask = 0;
7933 #ifdef CONFIG_QETH_IPV6
7934 } else if (proto == QETH_PROT_IPV6){
7935 QETH_DBF_TEXT(trace, 2, "delvipa6");
7936 memcpy(&ipaddr->u.a6.addr, addr, 16);
7937 ipaddr->u.a6.pfxlen = 0;
7940 ipaddr->type = QETH_IP_TYPE_VIPA;
7943 if (!qeth_delete_ip(card, ipaddr))
7945 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7946 schedule_work(&card->kernel_thread_starter);
7950 * proxy ARP related functions
7953 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
7956 struct qeth_ipaddr *ipaddr;
7957 unsigned long flags;
7960 ipaddr = qeth_get_addr_buffer(proto);
7962 if (proto == QETH_PROT_IPV4){
7963 QETH_DBF_TEXT(trace, 2, "addrxip4");
7964 memcpy(&ipaddr->u.a4.addr, addr, 4);
7965 ipaddr->u.a4.mask = 0;
7966 #ifdef CONFIG_QETH_IPV6
7967 } else if (proto == QETH_PROT_IPV6){
7968 QETH_DBF_TEXT(trace, 2, "addrxip6");
7969 memcpy(&ipaddr->u.a6.addr, addr, 16);
7970 ipaddr->u.a6.pfxlen = 0;
7973 ipaddr->type = QETH_IP_TYPE_RXIP;
7974 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
7975 ipaddr->del_flags = 0;
7978 spin_lock_irqsave(&card->ip_lock, flags);
7979 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
7980 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
7982 spin_unlock_irqrestore(&card->ip_lock, flags);
7984 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
7987 if (!qeth_add_ip(card, ipaddr))
7989 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
7990 schedule_work(&card->kernel_thread_starter);
7995 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
7998 struct qeth_ipaddr *ipaddr;
8000 ipaddr = qeth_get_addr_buffer(proto);
8002 if (proto == QETH_PROT_IPV4){
8003 QETH_DBF_TEXT(trace, 2, "addrxip4");
8004 memcpy(&ipaddr->u.a4.addr, addr, 4);
8005 ipaddr->u.a4.mask = 0;
8006 #ifdef CONFIG_QETH_IPV6
8007 } else if (proto == QETH_PROT_IPV6){
8008 QETH_DBF_TEXT(trace, 2, "addrxip6");
8009 memcpy(&ipaddr->u.a6.addr, addr, 16);
8010 ipaddr->u.a6.pfxlen = 0;
8013 ipaddr->type = QETH_IP_TYPE_RXIP;
8016 if (!qeth_delete_ip(card, ipaddr))
8018 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8019 schedule_work(&card->kernel_thread_starter);
8026 qeth_ip_event(struct notifier_block *this,
8027 unsigned long event,void *ptr)
8029 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8030 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8031 struct qeth_ipaddr *addr;
8032 struct qeth_card *card;
8034 QETH_DBF_TEXT(trace,3,"ipevent");
8035 card = qeth_get_card_from_dev(dev);
8038 if (card->options.layer2)
8041 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8043 addr->u.a4.addr = ifa->ifa_address;
8044 addr->u.a4.mask = ifa->ifa_mask;
8045 addr->type = QETH_IP_TYPE_NORMAL;
8051 if (!qeth_add_ip(card, addr))
8055 if (!qeth_delete_ip(card, addr))
8061 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8062 schedule_work(&card->kernel_thread_starter);
8067 static struct notifier_block qeth_ip_notifier = {
8072 #ifdef CONFIG_QETH_IPV6
8074 * IPv6 event handler
8077 qeth_ip6_event(struct notifier_block *this,
8078 unsigned long event,void *ptr)
8081 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8082 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8083 struct qeth_ipaddr *addr;
8084 struct qeth_card *card;
8086 QETH_DBF_TEXT(trace,3,"ip6event");
8088 card = qeth_get_card_from_dev(dev);
8091 if (!qeth_is_supported(card, IPA_IPV6))
8094 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8096 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8097 addr->u.a6.pfxlen = ifa->prefix_len;
8098 addr->type = QETH_IP_TYPE_NORMAL;
8104 if (!qeth_add_ip(card, addr))
8108 if (!qeth_delete_ip(card, addr))
8114 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8115 schedule_work(&card->kernel_thread_starter);
8120 static struct notifier_block qeth_ip6_notifier = {
8127 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8130 struct device *entry;
8131 struct qeth_card *card;
8133 down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
8134 list_for_each_entry(entry, &qeth_ccwgroup_driver.driver.devices,
8136 card = (struct qeth_card *) entry->driver_data;
8137 qeth_clear_ip_list(card, 0, 0);
8138 qeth_qdio_clear_card(card, 0);
8140 up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
8145 static struct notifier_block qeth_reboot_notifier = {
8151 qeth_register_notifiers(void)
8155 QETH_DBF_TEXT(trace,5,"regnotif");
8156 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8158 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8160 #ifdef CONFIG_QETH_IPV6
8161 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8166 #ifdef CONFIG_QETH_IPV6
8168 unregister_inetaddr_notifier(&qeth_ip_notifier);
8171 unregister_reboot_notifier(&qeth_reboot_notifier);
8176 * unregister all event notifiers
8179 qeth_unregister_notifiers(void)
8182 QETH_DBF_TEXT(trace,5,"unregnot");
8183 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8184 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8185 #ifdef CONFIG_QETH_IPV6
8186 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8187 #endif /* QETH_IPV6 */
8191 #ifdef CONFIG_QETH_IPV6
8193 qeth_ipv6_init(void)
8195 qeth_old_arp_constructor = arp_tbl.constructor;
8196 write_lock(&arp_tbl.lock);
8197 arp_tbl.constructor = qeth_arp_constructor;
8198 write_unlock(&arp_tbl.lock);
8200 arp_direct_ops = (struct neigh_ops*)
8201 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8202 if (!arp_direct_ops)
8205 memcpy(arp_direct_ops, &arp_direct_ops_template,
8206 sizeof(struct neigh_ops));
8212 qeth_ipv6_uninit(void)
8214 write_lock(&arp_tbl.lock);
8215 arp_tbl.constructor = qeth_old_arp_constructor;
8216 write_unlock(&arp_tbl.lock);
8217 kfree(arp_direct_ops);
8219 #endif /* CONFIG_QETH_IPV6 */
8222 qeth_sysfs_unregister(void)
8224 qeth_remove_driver_attributes();
8225 ccw_driver_unregister(&qeth_ccw_driver);
8226 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8227 s390_root_dev_unregister(qeth_root_dev);
8230 * register qeth at sysfs
8233 qeth_sysfs_register(void)
8237 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8240 rc = ccw_driver_register(&qeth_ccw_driver);
8243 rc = qeth_create_driver_attributes();
8246 qeth_root_dev = s390_root_dev_register("qeth");
8247 if (IS_ERR(qeth_root_dev)) {
8248 rc = PTR_ERR(qeth_root_dev);
8263 PRINT_INFO("loading %s (%s/%s/%s/%s/%s/%s/%s %s %s)\n",
8264 version, VERSION_QETH_C, VERSION_QETH_H,
8265 VERSION_QETH_MPC_H, VERSION_QETH_MPC_C,
8266 VERSION_QETH_FS_H, VERSION_QETH_PROC_C,
8267 VERSION_QETH_SYS_C, QETH_VERSION_IPV6,
8270 INIT_LIST_HEAD(&qeth_card_list.list);
8271 INIT_LIST_HEAD(&qeth_notify_list);
8272 spin_lock_init(&qeth_notify_lock);
8273 rwlock_init(&qeth_card_list.rwlock);
8275 if (qeth_register_dbf_views())
8277 if (qeth_sysfs_register())
8280 #ifdef CONFIG_QETH_IPV6
8281 if (qeth_ipv6_init()) {
8282 PRINT_ERR("Out of memory during ipv6 init.\n");
8285 #endif /* QETH_IPV6 */
8286 if (qeth_register_notifiers())
8288 if (qeth_create_procfs_entries())
8294 qeth_unregister_notifiers();
8296 #ifdef CONFIG_QETH_IPV6
8298 #endif /* QETH_IPV6 */
8300 qeth_sysfs_unregister();
8301 qeth_unregister_dbf_views();
8303 PRINT_ERR("Initialization failed");
8308 __exit qeth_exit(void)
8310 struct qeth_card *card, *tmp;
8311 unsigned long flags;
8313 QETH_DBF_TEXT(trace,1, "cleanup.");
8316 * Weed would not need to clean up our devices here, because the
8317 * common device layer calls qeth_remove_device for each device
8318 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8319 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8320 * qeth_remove_device called by the common device layer would otherwise
8321 * do a "hard" shutdown (card->use_hard_stop is set to one in
8322 * qeth_remove_device).
8325 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8326 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8327 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8328 qeth_set_offline(card->gdev);
8329 qeth_remove_device(card->gdev);
8332 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8333 #ifdef CONFIG_QETH_IPV6
8336 qeth_unregister_notifiers();
8337 qeth_remove_procfs_entries();
8338 qeth_sysfs_unregister();
8339 qeth_unregister_dbf_views();
8340 printk("qeth: removed\n");
8343 EXPORT_SYMBOL(qeth_eyecatcher);
8344 module_init(qeth_init);
8345 module_exit(qeth_exit);
8346 MODULE_AUTHOR("Frank Pavlic <pavlic@de.ibm.com>");
8347 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8348 "Copyright 2000,2003 IBM Corporation\n");
8350 MODULE_LICENSE("GPL");