2 * linux/drivers/s390/net/qeth_main.c
4 * Linux on zSeries OSA Express and HiperSockets support
6 * Copyright 2000,2003 IBM Corporation
8 * Author(s): Original Code written by
9 * Utz Bacher (utz.bacher@de.ibm.com)
11 * Frank Pavlic (fpavlic@de.ibm.com) and
12 * Thomas Spatzier <tspat@de.ibm.com>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2, or (at your option)
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <linux/config.h>
31 #include <linux/module.h>
32 #include <linux/moduleparam.h>
33 #include <linux/string.h>
34 #include <linux/errno.h>
37 #include <linux/inetdevice.h>
38 #include <linux/netdevice.h>
39 #include <linux/sched.h>
40 #include <linux/workqueue.h>
41 #include <linux/kernel.h>
42 #include <linux/slab.h>
43 #include <linux/interrupt.h>
44 #include <linux/tcp.h>
45 #include <linux/icmp.h>
46 #include <linux/skbuff.h>
48 #include <linux/igmp.h>
49 #include <linux/init.h>
50 #include <linux/reboot.h>
51 #include <linux/mii.h>
52 #include <linux/rcupdate.h>
53 #include <linux/ethtool.h>
57 #include <net/route.h>
59 #include <asm/ebcdic.h>
62 #include <asm/timex.h>
63 #include <asm/semaphore.h>
64 #include <asm/uaccess.h>
65 #include <asm/s390_rdev.h>
70 #include "qeth_eddp.h"
73 static const char *version = "qeth S/390 OSA-Express driver";
76 * Debug Facility Stuff
78 static debug_info_t *qeth_dbf_setup = NULL;
79 static debug_info_t *qeth_dbf_data = NULL;
80 static debug_info_t *qeth_dbf_misc = NULL;
81 static debug_info_t *qeth_dbf_control = NULL;
82 debug_info_t *qeth_dbf_trace = NULL;
83 static debug_info_t *qeth_dbf_sense = NULL;
84 static debug_info_t *qeth_dbf_qerr = NULL;
86 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
89 * some more definitions and declarations
91 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
93 /* list of our cards */
94 struct qeth_card_list_struct qeth_card_list;
95 /*process list want to be notified*/
96 spinlock_t qeth_notify_lock;
97 struct list_head qeth_notify_list;
99 static void qeth_send_control_data_cb(struct qeth_channel *,
100 struct qeth_cmd_buffer *);
103 * here we go with function implementation
106 qeth_init_qdio_info(struct qeth_card *card);
109 qeth_init_qdio_queues(struct qeth_card *card);
112 qeth_alloc_qdio_buffers(struct qeth_card *card);
115 qeth_free_qdio_buffers(struct qeth_card *);
118 qeth_clear_qdio_buffers(struct qeth_card *);
121 qeth_clear_ip_list(struct qeth_card *, int, int);
124 qeth_clear_ipacmd_list(struct qeth_card *);
127 qeth_qdio_clear_card(struct qeth_card *, int);
130 qeth_clear_working_pool_list(struct qeth_card *);
133 qeth_clear_cmd_buffers(struct qeth_channel *);
136 qeth_stop(struct net_device *);
139 qeth_clear_ipato_list(struct qeth_card *);
142 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
145 qeth_irq_tasklet(unsigned long);
148 qeth_set_online(struct ccwgroup_device *);
151 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode);
153 static struct qeth_ipaddr *
154 qeth_get_addr_buffer(enum qeth_prot_versions);
157 qeth_set_multicast_list(struct net_device *);
160 qeth_setadp_promisc_mode(struct qeth_card *);
163 qeth_notify_processes(void)
165 /*notify all registered processes */
166 struct qeth_notify_list_struct *n_entry;
168 QETH_DBF_TEXT(trace,3,"procnoti");
169 spin_lock(&qeth_notify_lock);
170 list_for_each_entry(n_entry, &qeth_notify_list, list) {
171 send_sig(n_entry->signum, n_entry->task, 1);
173 spin_unlock(&qeth_notify_lock);
177 qeth_notifier_unregister(struct task_struct *p)
179 struct qeth_notify_list_struct *n_entry, *tmp;
181 QETH_DBF_TEXT(trace, 2, "notunreg");
182 spin_lock(&qeth_notify_lock);
183 list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
184 if (n_entry->task == p) {
185 list_del(&n_entry->list);
191 spin_unlock(&qeth_notify_lock);
195 qeth_notifier_register(struct task_struct *p, int signum)
197 struct qeth_notify_list_struct *n_entry;
199 /*check first if entry already exists*/
200 spin_lock(&qeth_notify_lock);
201 list_for_each_entry(n_entry, &qeth_notify_list, list) {
202 if (n_entry->task == p) {
203 n_entry->signum = signum;
204 spin_unlock(&qeth_notify_lock);
208 spin_unlock(&qeth_notify_lock);
210 n_entry = (struct qeth_notify_list_struct *)
211 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
215 n_entry->signum = signum;
216 spin_lock(&qeth_notify_lock);
217 list_add(&n_entry->list,&qeth_notify_list);
218 spin_unlock(&qeth_notify_lock);
224 * free channel command buffers
227 qeth_clean_channel(struct qeth_channel *channel)
231 QETH_DBF_TEXT(setup, 2, "freech");
232 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
233 kfree(channel->iob[cnt].data);
240 qeth_free_card(struct qeth_card *card)
243 QETH_DBF_TEXT(setup, 2, "freecrd");
244 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
245 qeth_clean_channel(&card->read);
246 qeth_clean_channel(&card->write);
248 free_netdev(card->dev);
249 qeth_clear_ip_list(card, 0, 0);
250 qeth_clear_ipato_list(card);
251 kfree(card->ip_tbd_list);
252 qeth_free_qdio_buffers(card);
257 * alloc memory for command buffer per channel
260 qeth_setup_channel(struct qeth_channel *channel)
264 QETH_DBF_TEXT(setup, 2, "setupch");
265 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
266 channel->iob[cnt].data = (char *)
267 kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
268 if (channel->iob[cnt].data == NULL)
270 channel->iob[cnt].state = BUF_STATE_FREE;
271 channel->iob[cnt].channel = channel;
272 channel->iob[cnt].callback = qeth_send_control_data_cb;
273 channel->iob[cnt].rc = 0;
275 if (cnt < QETH_CMD_BUFFER_NO) {
277 kfree(channel->iob[cnt].data);
281 channel->io_buf_no = 0;
282 atomic_set(&channel->irq_pending, 0);
283 spin_lock_init(&channel->iob_lock);
285 init_waitqueue_head(&channel->wait_q);
286 channel->irq_tasklet.data = (unsigned long) channel;
287 channel->irq_tasklet.func = qeth_irq_tasklet;
292 * alloc memory for card structure
294 static struct qeth_card *
295 qeth_alloc_card(void)
297 struct qeth_card *card;
299 QETH_DBF_TEXT(setup, 2, "alloccrd");
300 card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card),
304 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
305 memset(card, 0, sizeof(struct qeth_card));
306 if (qeth_setup_channel(&card->read)) {
310 if (qeth_setup_channel(&card->write)) {
311 qeth_clean_channel(&card->read);
319 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
324 switch (PTR_ERR(irb)) {
326 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
327 QETH_DBF_TEXT(trace, 2, "ckirberr");
328 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
331 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
332 QETH_DBF_TEXT(trace, 2, "ckirberr");
333 QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT);
336 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
338 QETH_DBF_TEXT(trace, 2, "ckirberr");
339 QETH_DBF_TEXT(trace, 2, " rc???");
345 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
350 sense = (char *) irb->ecw;
351 cstat = irb->scsw.cstat;
352 dstat = irb->scsw.dstat;
354 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
355 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
356 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
357 QETH_DBF_TEXT(trace,2, "CGENCHK");
358 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
359 cdev->dev.bus_id, dstat, cstat);
360 HEXDUMP16(WARN, "irb: ", irb);
361 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
365 if (dstat & DEV_STAT_UNIT_CHECK) {
366 if (sense[SENSE_RESETTING_EVENT_BYTE] &
367 SENSE_RESETTING_EVENT_FLAG) {
368 QETH_DBF_TEXT(trace,2,"REVIND");
371 if (sense[SENSE_COMMAND_REJECT_BYTE] &
372 SENSE_COMMAND_REJECT_FLAG) {
373 QETH_DBF_TEXT(trace,2,"CMDREJi");
376 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
377 QETH_DBF_TEXT(trace,2,"AFFE");
380 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
381 QETH_DBF_TEXT(trace,2,"ZEROSEN");
384 QETH_DBF_TEXT(trace,2,"DGENCHK");
389 static int qeth_issue_next_read(struct qeth_card *);
395 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
399 struct qeth_cmd_buffer *buffer;
400 struct qeth_channel *channel;
401 struct qeth_card *card;
403 QETH_DBF_TEXT(trace,5,"irq");
405 if (__qeth_check_irb_error(cdev, irb))
407 cstat = irb->scsw.cstat;
408 dstat = irb->scsw.dstat;
410 card = CARD_FROM_CDEV(cdev);
414 if (card->read.ccwdev == cdev){
415 channel = &card->read;
416 QETH_DBF_TEXT(trace,5,"read");
417 } else if (card->write.ccwdev == cdev) {
418 channel = &card->write;
419 QETH_DBF_TEXT(trace,5,"write");
421 channel = &card->data;
422 QETH_DBF_TEXT(trace,5,"data");
424 atomic_set(&channel->irq_pending, 0);
426 if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
427 channel->state = CH_STATE_STOPPED;
429 if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
430 channel->state = CH_STATE_HALTED;
432 /*let's wake up immediately on data channel*/
433 if ((channel == &card->data) && (intparm != 0))
436 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
437 QETH_DBF_TEXT(trace, 6, "clrchpar");
438 /* we don't have to handle this further */
441 if (intparm == QETH_HALT_CHANNEL_PARM) {
442 QETH_DBF_TEXT(trace, 6, "hltchpar");
443 /* we don't have to handle this further */
446 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
447 (dstat & DEV_STAT_UNIT_CHECK) ||
449 if (irb->esw.esw0.erw.cons) {
450 /* TODO: we should make this s390dbf */
451 PRINT_WARN("sense data available on channel %s.\n",
452 CHANNEL_ID(channel));
453 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
454 HEXDUMP16(WARN,"irb: ",irb);
455 HEXDUMP16(WARN,"sense data: ",irb->ecw);
457 rc = qeth_get_problem(cdev,irb);
459 qeth_schedule_recovery(card);
465 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
466 buffer->state = BUF_STATE_PROCESSED;
468 if (channel == &card->data)
471 if (channel == &card->read &&
472 channel->state == CH_STATE_UP)
473 qeth_issue_next_read(card);
475 tasklet_schedule(&channel->irq_tasklet);
478 wake_up(&card->wait_q);
482 * tasklet function scheduled from irq handler
485 qeth_irq_tasklet(unsigned long data)
487 struct qeth_card *card;
488 struct qeth_channel *channel;
489 struct qeth_cmd_buffer *iob;
492 QETH_DBF_TEXT(trace,5,"irqtlet");
493 channel = (struct qeth_channel *) data;
495 index = channel->buf_no;
496 card = CARD_FROM_CDEV(channel->ccwdev);
497 while (iob[index].state == BUF_STATE_PROCESSED) {
498 if (iob[index].callback !=NULL) {
499 iob[index].callback(channel,iob + index);
501 index = (index + 1) % QETH_CMD_BUFFER_NO;
503 channel->buf_no = index;
504 wake_up(&card->wait_q);
507 static int qeth_stop_card(struct qeth_card *, int);
510 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
512 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
513 int rc = 0, rc2 = 0, rc3 = 0;
514 enum qeth_card_states recover_flag;
516 QETH_DBF_TEXT(setup, 3, "setoffl");
517 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
519 if (card->dev && netif_carrier_ok(card->dev))
520 netif_carrier_off(card->dev);
521 recover_flag = card->state;
522 if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
523 PRINT_WARN("Stopping card %s interrupted by user!\n",
527 rc = ccw_device_set_offline(CARD_DDEV(card));
528 rc2 = ccw_device_set_offline(CARD_WDEV(card));
529 rc3 = ccw_device_set_offline(CARD_RDEV(card));
531 rc = (rc2) ? rc2 : rc3;
533 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
534 if (recover_flag == CARD_STATE_UP)
535 card->state = CARD_STATE_RECOVER;
536 qeth_notify_processes();
541 qeth_set_offline(struct ccwgroup_device *cgdev)
543 return __qeth_set_offline(cgdev, 0);
547 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads);
551 qeth_remove_device(struct ccwgroup_device *cgdev)
553 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
556 QETH_DBF_TEXT(setup, 3, "rmdev");
557 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
562 if (qeth_wait_for_threads(card, 0xffffffff))
565 if (cgdev->state == CCWGROUP_ONLINE){
566 card->use_hard_stop = 1;
567 qeth_set_offline(cgdev);
569 /* remove form our internal list */
570 write_lock_irqsave(&qeth_card_list.rwlock, flags);
571 list_del(&card->list);
572 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
574 unregister_netdev(card->dev);
575 qeth_remove_device_attributes(&cgdev->dev);
576 qeth_free_card(card);
577 cgdev->dev.driver_data = NULL;
578 put_device(&cgdev->dev);
582 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
584 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
587 * Add/remove address to/from card's ip list, i.e. try to add or remove
588 * reference to/from an IP address that is already registered on the card.
590 * 0 address was on card and its reference count has been adjusted,
591 * but is still > 0, so nothing has to be done
592 * also returns 0 if card was not on card and the todo was to delete
593 * the address -> there is also nothing to be done
594 * 1 address was not on card and the todo is to add it to the card's ip
596 * -1 address was on card and its reference count has been decremented
597 * to <= 0 by the todo -> address must be removed from card
600 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
601 struct qeth_ipaddr **__addr)
603 struct qeth_ipaddr *addr;
606 list_for_each_entry(addr, &card->ip_list, entry) {
607 if (card->options.layer2) {
608 if ((addr->type == todo->type) &&
609 (memcmp(&addr->mac, &todo->mac,
610 OSA_ADDR_LEN) == 0)) {
616 if ((addr->proto == QETH_PROT_IPV4) &&
617 (todo->proto == QETH_PROT_IPV4) &&
618 (addr->type == todo->type) &&
619 (addr->u.a4.addr == todo->u.a4.addr) &&
620 (addr->u.a4.mask == todo->u.a4.mask)) {
624 if ((addr->proto == QETH_PROT_IPV6) &&
625 (todo->proto == QETH_PROT_IPV6) &&
626 (addr->type == todo->type) &&
627 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
628 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
629 sizeof(struct in6_addr)) == 0)) {
635 addr->users += todo->users;
636 if (addr->users <= 0){
640 /* for VIPA and RXIP limit refcount to 1 */
641 if (addr->type != QETH_IP_TYPE_NORMAL)
646 if (todo->users > 0) {
647 /* for VIPA and RXIP limit refcount to 1 */
648 if (todo->type != QETH_IP_TYPE_NORMAL)
656 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
659 struct qeth_ipaddr *tmp;
661 list_for_each_entry(tmp, list, entry) {
662 if ((tmp->proto == QETH_PROT_IPV4) &&
663 (addr->proto == QETH_PROT_IPV4) &&
664 ((same_type && (tmp->type == addr->type)) ||
665 (!same_type && (tmp->type != addr->type)) ) &&
666 (tmp->u.a4.addr == addr->u.a4.addr) ){
669 if ((tmp->proto == QETH_PROT_IPV6) &&
670 (addr->proto == QETH_PROT_IPV6) &&
671 ((same_type && (tmp->type == addr->type)) ||
672 (!same_type && (tmp->type != addr->type)) ) &&
673 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
674 sizeof(struct in6_addr)) == 0) ) {
682 * Add IP to be added to todo list. If there is already an "add todo"
683 * in this list we just incremenent the reference count.
684 * Returns 0 if we just incremented reference count.
687 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
689 struct qeth_ipaddr *tmp, *t;
692 list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
693 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
694 (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
696 if (card->options.layer2) {
697 if ((tmp->type == addr->type) &&
698 (tmp->is_multicast == addr->is_multicast) &&
699 (memcmp(&tmp->mac, &addr->mac,
700 OSA_ADDR_LEN) == 0)) {
706 if ((tmp->proto == QETH_PROT_IPV4) &&
707 (addr->proto == QETH_PROT_IPV4) &&
708 (tmp->type == addr->type) &&
709 (tmp->is_multicast == addr->is_multicast) &&
710 (tmp->u.a4.addr == addr->u.a4.addr) &&
711 (tmp->u.a4.mask == addr->u.a4.mask)) {
715 if ((tmp->proto == QETH_PROT_IPV6) &&
716 (addr->proto == QETH_PROT_IPV6) &&
717 (tmp->type == addr->type) &&
718 (tmp->is_multicast == addr->is_multicast) &&
719 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
720 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
721 sizeof(struct in6_addr)) == 0)) {
727 if (addr->users != 0)
728 tmp->users += addr->users;
730 tmp->users += add? 1:-1;
731 if (tmp->users == 0) {
732 list_del(&tmp->entry);
737 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
738 list_add(&addr->entry, card->ip_tbd_list);
740 if (addr->users == 0)
741 addr->users += add? 1:-1;
742 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
743 qeth_is_addr_covered_by_ipato(card, addr)){
744 QETH_DBF_TEXT(trace, 2, "tkovaddr");
745 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
747 list_add_tail(&addr->entry, card->ip_tbd_list);
754 * Remove IP address from list
757 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
762 QETH_DBF_TEXT(trace, 4, "delip");
764 if (card->options.layer2)
765 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
766 else if (addr->proto == QETH_PROT_IPV4)
767 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
769 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
770 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
772 spin_lock_irqsave(&card->ip_lock, flags);
773 rc = __qeth_insert_ip_todo(card, addr, 0);
774 spin_unlock_irqrestore(&card->ip_lock, flags);
779 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
784 QETH_DBF_TEXT(trace, 4, "addip");
785 if (card->options.layer2)
786 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
787 else if (addr->proto == QETH_PROT_IPV4)
788 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
790 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
791 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
793 spin_lock_irqsave(&card->ip_lock, flags);
794 rc = __qeth_insert_ip_todo(card, addr, 1);
795 spin_unlock_irqrestore(&card->ip_lock, flags);
800 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
802 struct qeth_ipaddr *addr, *tmp;
805 list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
806 if (addr->is_multicast) {
807 spin_unlock_irqrestore(&card->ip_lock, *flags);
808 rc = qeth_deregister_addr_entry(card, addr);
809 spin_lock_irqsave(&card->ip_lock, *flags);
811 list_del(&addr->entry);
820 qeth_set_ip_addr_list(struct qeth_card *card)
822 struct list_head *tbd_list;
823 struct qeth_ipaddr *todo, *addr;
827 QETH_DBF_TEXT(trace, 2, "sdiplist");
828 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
830 spin_lock_irqsave(&card->ip_lock, flags);
831 tbd_list = card->ip_tbd_list;
832 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
833 if (!card->ip_tbd_list) {
834 QETH_DBF_TEXT(trace, 0, "silnomem");
835 card->ip_tbd_list = tbd_list;
836 spin_unlock_irqrestore(&card->ip_lock, flags);
839 INIT_LIST_HEAD(card->ip_tbd_list);
841 while (!list_empty(tbd_list)){
842 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
843 list_del(&todo->entry);
844 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
845 __qeth_delete_all_mc(card, &flags);
849 rc = __qeth_ref_ip_on_card(card, todo, &addr);
851 /* nothing to be done; only adjusted refcount */
853 } else if (rc == 1) {
854 /* new entry to be added to on-card list */
855 spin_unlock_irqrestore(&card->ip_lock, flags);
856 rc = qeth_register_addr_entry(card, todo);
857 spin_lock_irqsave(&card->ip_lock, flags);
859 list_add_tail(&todo->entry, &card->ip_list);
862 } else if (rc == -1) {
863 /* on-card entry to be removed */
864 list_del_init(&addr->entry);
865 spin_unlock_irqrestore(&card->ip_lock, flags);
866 rc = qeth_deregister_addr_entry(card, addr);
867 spin_lock_irqsave(&card->ip_lock, flags);
871 list_add_tail(&addr->entry, &card->ip_list);
875 spin_unlock_irqrestore(&card->ip_lock, flags);
879 static void qeth_delete_mc_addresses(struct qeth_card *);
880 static void qeth_add_multicast_ipv4(struct qeth_card *);
881 static void qeth_layer2_add_multicast(struct qeth_card *);
882 #ifdef CONFIG_QETH_IPV6
883 static void qeth_add_multicast_ipv6(struct qeth_card *);
887 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
891 spin_lock_irqsave(&card->thread_mask_lock, flags);
892 if ( !(card->thread_allowed_mask & thread) ||
893 (card->thread_start_mask & thread) ) {
894 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
897 card->thread_start_mask |= thread;
898 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
903 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
907 spin_lock_irqsave(&card->thread_mask_lock, flags);
908 card->thread_start_mask &= ~thread;
909 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
910 wake_up(&card->wait_q);
914 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
918 spin_lock_irqsave(&card->thread_mask_lock, flags);
919 card->thread_running_mask &= ~thread;
920 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
921 wake_up(&card->wait_q);
925 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
930 spin_lock_irqsave(&card->thread_mask_lock, flags);
931 if (card->thread_start_mask & thread){
932 if ((card->thread_allowed_mask & thread) &&
933 !(card->thread_running_mask & thread)){
935 card->thread_start_mask &= ~thread;
936 card->thread_running_mask |= thread;
940 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
945 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
949 wait_event(card->wait_q,
950 (rc = __qeth_do_run_thread(card, thread)) >= 0);
955 qeth_register_ip_addresses(void *ptr)
957 struct qeth_card *card;
959 card = (struct qeth_card *) ptr;
960 daemonize("qeth_reg_ip");
961 QETH_DBF_TEXT(trace,4,"regipth1");
962 if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD))
964 QETH_DBF_TEXT(trace,4,"regipth2");
965 qeth_set_ip_addr_list(card);
966 qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD);
971 * Drive the SET_PROMISC_MODE thread
974 qeth_set_promisc_mode(void *ptr)
976 struct qeth_card *card = (struct qeth_card *) ptr;
978 daemonize("qeth_setprm");
979 QETH_DBF_TEXT(trace,4,"setprm1");
980 if (!qeth_do_run_thread(card, QETH_SET_PROMISC_MODE_THREAD))
982 QETH_DBF_TEXT(trace,4,"setprm2");
983 qeth_setadp_promisc_mode(card);
984 qeth_clear_thread_running_bit(card, QETH_SET_PROMISC_MODE_THREAD);
989 qeth_recover(void *ptr)
991 struct qeth_card *card;
994 card = (struct qeth_card *) ptr;
995 daemonize("qeth_recover");
996 QETH_DBF_TEXT(trace,2,"recover1");
997 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
998 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
1000 QETH_DBF_TEXT(trace,2,"recover2");
1001 PRINT_WARN("Recovery of device %s started ...\n",
1003 card->use_hard_stop = 1;
1004 __qeth_set_offline(card->gdev,1);
1005 rc = __qeth_set_online(card->gdev,1);
1007 PRINT_INFO("Device %s successfully recovered!\n",
1010 PRINT_INFO("Device %s could not be recovered!\n",
1012 /* don't run another scheduled recovery */
1013 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
1014 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
1019 qeth_schedule_recovery(struct qeth_card *card)
1021 QETH_DBF_TEXT(trace,2,"startrec");
1022 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
1023 schedule_work(&card->kernel_thread_starter);
1027 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1029 unsigned long flags;
1032 spin_lock_irqsave(&card->thread_mask_lock, flags);
1033 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
1034 (u8) card->thread_start_mask,
1035 (u8) card->thread_allowed_mask,
1036 (u8) card->thread_running_mask);
1037 rc = (card->thread_start_mask & thread);
1038 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1043 qeth_start_kernel_thread(struct qeth_card *card)
1045 QETH_DBF_TEXT(trace , 2, "strthrd");
1047 if (card->read.state != CH_STATE_UP &&
1048 card->write.state != CH_STATE_UP)
1051 if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
1052 kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD);
1053 if (qeth_do_start_thread(card, QETH_SET_PROMISC_MODE_THREAD))
1054 kernel_thread(qeth_set_promisc_mode, (void *)card, SIGCHLD);
1055 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1056 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1061 qeth_set_intial_options(struct qeth_card *card)
1063 card->options.route4.type = NO_ROUTER;
1064 #ifdef CONFIG_QETH_IPV6
1065 card->options.route6.type = NO_ROUTER;
1066 #endif /* QETH_IPV6 */
1067 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1068 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1069 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1070 card->options.fake_broadcast = 0;
1071 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1072 card->options.fake_ll = 0;
1073 if (card->info.type == QETH_CARD_TYPE_OSN)
1074 card->options.layer2 = 1;
1076 card->options.layer2 = 0;
1080 * initialize channels ,card and all state machines
1083 qeth_setup_card(struct qeth_card *card)
1086 QETH_DBF_TEXT(setup, 2, "setupcrd");
1087 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1089 card->read.state = CH_STATE_DOWN;
1090 card->write.state = CH_STATE_DOWN;
1091 card->data.state = CH_STATE_DOWN;
1092 card->state = CARD_STATE_DOWN;
1093 card->lan_online = 0;
1094 card->use_hard_stop = 0;
1096 #ifdef CONFIG_QETH_VLAN
1097 spin_lock_init(&card->vlanlock);
1098 card->vlangrp = NULL;
1100 spin_lock_init(&card->lock);
1101 spin_lock_init(&card->ip_lock);
1102 spin_lock_init(&card->thread_mask_lock);
1103 card->thread_start_mask = 0;
1104 card->thread_allowed_mask = 0;
1105 card->thread_running_mask = 0;
1106 INIT_WORK(&card->kernel_thread_starter,
1107 (void *)qeth_start_kernel_thread,card);
1108 INIT_LIST_HEAD(&card->ip_list);
1109 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1110 if (!card->ip_tbd_list) {
1111 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1114 INIT_LIST_HEAD(card->ip_tbd_list);
1115 INIT_LIST_HEAD(&card->cmd_waiter_list);
1116 init_waitqueue_head(&card->wait_q);
1117 /* intial options */
1118 qeth_set_intial_options(card);
1119 /* IP address takeover */
1120 INIT_LIST_HEAD(&card->ipato.entries);
1121 card->ipato.enabled = 0;
1122 card->ipato.invert4 = 0;
1123 card->ipato.invert6 = 0;
1124 /* init QDIO stuff */
1125 qeth_init_qdio_info(card);
1130 is_1920_device (struct qeth_card *card)
1132 int single_queue = 0;
1133 struct ccw_device *ccwdev;
1134 struct channelPath_dsc {
1145 QETH_DBF_TEXT(setup, 2, "chk_1920");
1147 ccwdev = card->data.ccwdev;
1148 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1149 if (chp_dsc != NULL) {
1150 /* CHPP field bit 6 == 1 -> single queue */
1151 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1154 QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1155 return single_queue;
1159 qeth_determine_card_type(struct qeth_card *card)
1163 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1165 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1166 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1167 while (known_devices[i][4]) {
1168 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1169 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1170 card->info.type = known_devices[i][4];
1171 card->qdio.no_out_queues = known_devices[i][8];
1172 card->info.is_multicast_different = known_devices[i][9];
1173 if (is_1920_device(card)) {
1174 PRINT_INFO("Priority Queueing not able "
1175 "due to hardware limitations!\n");
1176 card->qdio.no_out_queues = 1;
1177 card->qdio.default_out_queue = 0;
1183 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1184 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1189 qeth_probe_device(struct ccwgroup_device *gdev)
1191 struct qeth_card *card;
1193 unsigned long flags;
1196 QETH_DBF_TEXT(setup, 2, "probedev");
1199 if (!get_device(dev))
1202 QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
1204 card = qeth_alloc_card();
1207 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1210 card->read.ccwdev = gdev->cdev[0];
1211 card->write.ccwdev = gdev->cdev[1];
1212 card->data.ccwdev = gdev->cdev[2];
1213 gdev->dev.driver_data = card;
1215 gdev->cdev[0]->handler = qeth_irq;
1216 gdev->cdev[1]->handler = qeth_irq;
1217 gdev->cdev[2]->handler = qeth_irq;
1219 if ((rc = qeth_determine_card_type(card))){
1220 PRINT_WARN("%s: not a valid card type\n", __func__);
1221 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1223 qeth_free_card(card);
1226 if ((rc = qeth_setup_card(card))){
1227 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1229 qeth_free_card(card);
1232 rc = qeth_create_device_attributes(dev);
1235 qeth_free_card(card);
1238 /* insert into our internal list */
1239 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1240 list_add_tail(&card->list, &qeth_card_list.list);
1241 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1247 qeth_get_unitaddr(struct qeth_card *card)
1253 QETH_DBF_TEXT(setup, 2, "getunit");
1254 rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1256 PRINT_ERR("read_conf_data for device %s returned %i\n",
1257 CARD_DDEV_ID(card), rc);
1260 card->info.chpid = prcd[30];
1261 card->info.unit_addr2 = prcd[31];
1262 card->info.cula = prcd[63];
1263 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1264 (prcd[0x11] == _ascebc['M']));
1269 qeth_init_tokens(struct qeth_card *card)
1271 card->token.issuer_rm_w = 0x00010103UL;
1272 card->token.cm_filter_w = 0x00010108UL;
1273 card->token.cm_connection_w = 0x0001010aUL;
1274 card->token.ulp_filter_w = 0x0001010bUL;
1275 card->token.ulp_connection_w = 0x0001010dUL;
1279 raw_devno_from_bus_id(char *id)
1281 id += (strlen(id) - 4);
1282 return (__u16) simple_strtoul(id, &id, 16);
1288 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1290 struct qeth_card *card;
1292 QETH_DBF_TEXT(trace, 4, "setupccw");
1293 card = CARD_FROM_CDEV(channel->ccwdev);
1294 if (channel == &card->read)
1295 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1297 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1298 channel->ccw.count = len;
1299 channel->ccw.cda = (__u32) __pa(iob);
1303 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1305 static struct qeth_cmd_buffer *
1306 __qeth_get_buffer(struct qeth_channel *channel)
1310 QETH_DBF_TEXT(trace, 6, "getbuff");
1311 index = channel->io_buf_no;
1313 if (channel->iob[index].state == BUF_STATE_FREE) {
1314 channel->iob[index].state = BUF_STATE_LOCKED;
1315 channel->io_buf_no = (channel->io_buf_no + 1) %
1317 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1318 return channel->iob + index;
1320 index = (index + 1) % QETH_CMD_BUFFER_NO;
1321 } while(index != channel->io_buf_no);
1327 * release command buffer
1330 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1332 unsigned long flags;
1334 QETH_DBF_TEXT(trace, 6, "relbuff");
1335 spin_lock_irqsave(&channel->iob_lock, flags);
1336 memset(iob->data, 0, QETH_BUFSIZE);
1337 iob->state = BUF_STATE_FREE;
1338 iob->callback = qeth_send_control_data_cb;
1340 spin_unlock_irqrestore(&channel->iob_lock, flags);
1343 static struct qeth_cmd_buffer *
1344 qeth_get_buffer(struct qeth_channel *channel)
1346 struct qeth_cmd_buffer *buffer = NULL;
1347 unsigned long flags;
1349 spin_lock_irqsave(&channel->iob_lock, flags);
1350 buffer = __qeth_get_buffer(channel);
1351 spin_unlock_irqrestore(&channel->iob_lock, flags);
1355 static struct qeth_cmd_buffer *
1356 qeth_wait_for_buffer(struct qeth_channel *channel)
1358 struct qeth_cmd_buffer *buffer;
1359 wait_event(channel->wait_q,
1360 ((buffer = qeth_get_buffer(channel)) != NULL));
1365 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1369 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1370 qeth_release_buffer(channel,&channel->iob[cnt]);
1371 channel->buf_no = 0;
1372 channel->io_buf_no = 0;
1376 * start IDX for read and write channel
1379 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1380 void (*idx_reply_cb)(struct qeth_channel *,
1381 struct qeth_cmd_buffer *))
1383 struct qeth_cmd_buffer *iob;
1384 unsigned long flags;
1386 struct qeth_card *card;
1388 QETH_DBF_TEXT(setup, 2, "idxanswr");
1389 card = CARD_FROM_CDEV(channel->ccwdev);
1390 iob = qeth_get_buffer(channel);
1391 iob->callback = idx_reply_cb;
1392 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1393 channel->ccw.count = QETH_BUFSIZE;
1394 channel->ccw.cda = (__u32) __pa(iob->data);
1396 wait_event(card->wait_q,
1397 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1398 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1399 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1400 rc = ccw_device_start(channel->ccwdev,
1401 &channel->ccw,(addr_t) iob, 0, 0);
1402 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1405 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1406 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1407 atomic_set(&channel->irq_pending, 0);
1408 wake_up(&card->wait_q);
1411 rc = wait_event_interruptible_timeout(card->wait_q,
1412 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1413 if (rc == -ERESTARTSYS)
1415 if (channel->state != CH_STATE_UP){
1417 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1418 qeth_clear_cmd_buffers(channel);
1425 qeth_idx_activate_channel(struct qeth_channel *channel,
1426 void (*idx_reply_cb)(struct qeth_channel *,
1427 struct qeth_cmd_buffer *))
1429 struct qeth_card *card;
1430 struct qeth_cmd_buffer *iob;
1431 unsigned long flags;
1435 card = CARD_FROM_CDEV(channel->ccwdev);
1437 QETH_DBF_TEXT(setup, 2, "idxactch");
1439 iob = qeth_get_buffer(channel);
1440 iob->callback = idx_reply_cb;
1441 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1442 channel->ccw.count = IDX_ACTIVATE_SIZE;
1443 channel->ccw.cda = (__u32) __pa(iob->data);
1444 if (channel == &card->write) {
1445 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1446 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1447 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1448 card->seqno.trans_hdr++;
1450 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1451 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1452 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1454 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1455 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1456 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1457 &card->info.func_level,sizeof(__u16));
1458 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1459 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1460 temp = (card->info.cula << 8) + card->info.unit_addr2;
1461 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1463 wait_event(card->wait_q,
1464 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1465 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1466 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1467 rc = ccw_device_start(channel->ccwdev,
1468 &channel->ccw,(addr_t) iob, 0, 0);
1469 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1472 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1473 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1474 atomic_set(&channel->irq_pending, 0);
1475 wake_up(&card->wait_q);
1478 rc = wait_event_interruptible_timeout(card->wait_q,
1479 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1480 if (rc == -ERESTARTSYS)
1482 if (channel->state != CH_STATE_ACTIVATING) {
1483 PRINT_WARN("qeth: IDX activate timed out!\n");
1484 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1485 qeth_clear_cmd_buffers(channel);
1488 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1492 qeth_peer_func_level(int level)
1494 if ((level & 0xff) == 8)
1495 return (level & 0xff) + 0x400;
1496 if (((level >> 8) & 3) == 1)
1497 return (level & 0xff) + 0x200;
1502 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1504 struct qeth_card *card;
1507 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1509 if (channel->state == CH_STATE_DOWN) {
1510 channel->state = CH_STATE_ACTIVATING;
1513 card = CARD_FROM_CDEV(channel->ccwdev);
1515 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1516 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1517 "reply\n", CARD_WDEV_ID(card));
1520 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1521 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1522 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1523 "function level mismatch "
1524 "(sent: 0x%x, received: 0x%x)\n",
1525 CARD_WDEV_ID(card), card->info.func_level, temp);
1528 channel->state = CH_STATE_UP;
1530 qeth_release_buffer(channel, iob);
1534 qeth_check_idx_response(unsigned char *buffer)
1539 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1540 if ((buffer[2] & 0xc0) == 0xc0) {
1541 PRINT_WARN("received an IDX TERMINATE "
1542 "with cause code 0x%02x%s\n",
1544 ((buffer[4] == 0x22) ?
1545 " -- try another portname" : ""));
1546 QETH_DBF_TEXT(trace, 2, "ckidxres");
1547 QETH_DBF_TEXT(trace, 2, " idxterm");
1548 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1555 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1557 struct qeth_card *card;
1560 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1561 if (channel->state == CH_STATE_DOWN) {
1562 channel->state = CH_STATE_ACTIVATING;
1566 card = CARD_FROM_CDEV(channel->ccwdev);
1567 if (qeth_check_idx_response(iob->data)) {
1570 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1571 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1572 "reply\n", CARD_RDEV_ID(card));
1577 * temporary fix for microcode bug
1578 * to revert it,replace OR by AND
1580 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1581 (card->info.type == QETH_CARD_TYPE_OSAE) )
1582 card->info.portname_required = 1;
1584 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1585 if (temp != qeth_peer_func_level(card->info.func_level)) {
1586 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1587 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1588 CARD_RDEV_ID(card), card->info.func_level, temp);
1591 memcpy(&card->token.issuer_rm_r,
1592 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1593 QETH_MPC_TOKEN_LENGTH);
1594 memcpy(&card->info.mcl_level[0],
1595 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1596 channel->state = CH_STATE_UP;
1598 qeth_release_buffer(channel,iob);
1602 qeth_issue_next_read(struct qeth_card *card)
1605 struct qeth_cmd_buffer *iob;
1607 QETH_DBF_TEXT(trace,5,"issnxrd");
1608 if (card->read.state != CH_STATE_UP)
1610 iob = qeth_get_buffer(&card->read);
1612 PRINT_WARN("issue_next_read failed: no iob available!\n");
1615 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1616 wait_event(card->wait_q,
1617 atomic_cmpxchg(&card->read.irq_pending, 0, 1) == 0);
1618 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1619 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1620 (addr_t) iob, 0, 0);
1622 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1623 atomic_set(&card->read.irq_pending, 0);
1624 qeth_schedule_recovery(card);
1625 wake_up(&card->wait_q);
1630 static struct qeth_reply *
1631 qeth_alloc_reply(struct qeth_card *card)
1633 struct qeth_reply *reply;
1635 reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1637 memset(reply, 0, sizeof(struct qeth_reply));
1638 atomic_set(&reply->refcnt, 1);
1645 qeth_get_reply(struct qeth_reply *reply)
1647 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1648 atomic_inc(&reply->refcnt);
1652 qeth_put_reply(struct qeth_reply *reply)
1654 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1655 if (atomic_dec_and_test(&reply->refcnt))
1660 qeth_cmd_timeout(unsigned long data)
1662 struct qeth_reply *reply, *list_reply, *r;
1663 unsigned long flags;
1665 reply = (struct qeth_reply *) data;
1666 spin_lock_irqsave(&reply->card->lock, flags);
1667 list_for_each_entry_safe(list_reply, r,
1668 &reply->card->cmd_waiter_list, list) {
1669 if (reply == list_reply){
1670 qeth_get_reply(reply);
1671 list_del_init(&reply->list);
1672 spin_unlock_irqrestore(&reply->card->lock, flags);
1674 reply->received = 1;
1675 wake_up(&reply->wait_q);
1676 qeth_put_reply(reply);
1680 spin_unlock_irqrestore(&reply->card->lock, flags);
1684 static struct qeth_ipa_cmd *
1685 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1687 struct qeth_ipa_cmd *cmd = NULL;
1689 QETH_DBF_TEXT(trace,5,"chkipad");
1690 if (IS_IPA(iob->data)){
1691 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1692 if (IS_IPA_REPLY(cmd))
1695 switch (cmd->hdr.command) {
1696 case IPA_CMD_STOPLAN:
1697 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1698 "there is a network problem or "
1699 "someone pulled the cable or "
1700 "disabled the port.\n",
1701 QETH_CARD_IFNAME(card),
1703 card->lan_online = 0;
1704 if (card->dev && netif_carrier_ok(card->dev))
1705 netif_carrier_off(card->dev);
1707 case IPA_CMD_STARTLAN:
1708 PRINT_INFO("Link reestablished on %s "
1709 "(CHPID 0x%X). Scheduling "
1710 "IP address reset.\n",
1711 QETH_CARD_IFNAME(card),
1713 qeth_schedule_recovery(card);
1715 case IPA_CMD_MODCCID:
1717 case IPA_CMD_REGISTER_LOCAL_ADDR:
1718 QETH_DBF_TEXT(trace,3, "irla");
1720 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1721 QETH_DBF_TEXT(trace,3, "urla");
1724 PRINT_WARN("Received data is IPA "
1725 "but not a reply!\n");
1734 * wake all waiting ipa commands
1737 qeth_clear_ipacmd_list(struct qeth_card *card)
1739 struct qeth_reply *reply, *r;
1740 unsigned long flags;
1742 QETH_DBF_TEXT(trace, 4, "clipalst");
1744 spin_lock_irqsave(&card->lock, flags);
1745 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1746 qeth_get_reply(reply);
1748 reply->received = 1;
1749 list_del_init(&reply->list);
1750 wake_up(&reply->wait_q);
1751 qeth_put_reply(reply);
1753 spin_unlock_irqrestore(&card->lock, flags);
1757 qeth_send_control_data_cb(struct qeth_channel *channel,
1758 struct qeth_cmd_buffer *iob)
1760 struct qeth_card *card;
1761 struct qeth_reply *reply, *r;
1762 struct qeth_ipa_cmd *cmd;
1763 unsigned long flags;
1766 QETH_DBF_TEXT(trace,4,"sndctlcb");
1768 card = CARD_FROM_CDEV(channel->ccwdev);
1769 if (qeth_check_idx_response(iob->data)) {
1770 qeth_clear_ipacmd_list(card);
1771 qeth_schedule_recovery(card);
1775 cmd = qeth_check_ipa_data(card, iob);
1776 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1778 /*in case of OSN : check if cmd is set */
1779 if (card->info.type == QETH_CARD_TYPE_OSN &&
1781 cmd->hdr.command != IPA_CMD_STARTLAN &&
1782 card->osn_info.assist_cb != NULL) {
1783 card->osn_info.assist_cb(card->dev, cmd);
1787 spin_lock_irqsave(&card->lock, flags);
1788 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1789 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1790 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1791 qeth_get_reply(reply);
1792 list_del_init(&reply->list);
1793 spin_unlock_irqrestore(&card->lock, flags);
1795 if (reply->callback != NULL) {
1797 reply->offset = (__u16)((char*)cmd -
1799 keep_reply = reply->callback(card,
1801 (unsigned long)cmd);
1803 keep_reply = reply->callback(card,
1805 (unsigned long)iob);
1808 reply->rc = (u16) cmd->hdr.return_code;
1810 reply->rc = iob->rc;
1812 spin_lock_irqsave(&card->lock, flags);
1813 list_add_tail(&reply->list,
1814 &card->cmd_waiter_list);
1815 spin_unlock_irqrestore(&card->lock, flags);
1817 reply->received = 1;
1818 wake_up(&reply->wait_q);
1820 qeth_put_reply(reply);
1824 spin_unlock_irqrestore(&card->lock, flags);
1826 memcpy(&card->seqno.pdu_hdr_ack,
1827 QETH_PDU_HEADER_SEQ_NO(iob->data),
1828 QETH_SEQ_NO_LENGTH);
1829 qeth_release_buffer(channel,iob);
1833 qeth_prepare_control_data(struct qeth_card *card, int len,
1834 struct qeth_cmd_buffer *iob)
1836 qeth_setup_ccw(&card->write,iob->data,len);
1837 iob->callback = qeth_release_buffer;
1839 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1840 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1841 card->seqno.trans_hdr++;
1842 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1843 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1844 card->seqno.pdu_hdr++;
1845 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1846 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1847 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1851 qeth_send_control_data(struct qeth_card *card, int len,
1852 struct qeth_cmd_buffer *iob,
1854 (struct qeth_card *, struct qeth_reply*, unsigned long),
1859 unsigned long flags;
1860 struct qeth_reply *reply = NULL;
1861 struct timer_list timer;
1863 QETH_DBF_TEXT(trace, 2, "sendctl");
1865 reply = qeth_alloc_reply(card);
1867 PRINT_WARN("Could no alloc qeth_reply!\n");
1870 reply->callback = reply_cb;
1871 reply->param = reply_param;
1872 if (card->state == CARD_STATE_DOWN)
1873 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1875 reply->seqno = card->seqno.ipa++;
1877 timer.function = qeth_cmd_timeout;
1878 timer.data = (unsigned long) reply;
1879 init_waitqueue_head(&reply->wait_q);
1880 spin_lock_irqsave(&card->lock, flags);
1881 list_add_tail(&reply->list, &card->cmd_waiter_list);
1882 spin_unlock_irqrestore(&card->lock, flags);
1883 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1884 wait_event(card->wait_q,
1885 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1886 qeth_prepare_control_data(card, len, iob);
1887 if (IS_IPA(iob->data))
1888 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1890 timer.expires = jiffies + QETH_TIMEOUT;
1891 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1892 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1893 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1894 (addr_t) iob, 0, 0);
1895 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1897 PRINT_WARN("qeth_send_control_data: "
1898 "ccw_device_start rc = %i\n", rc);
1899 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1900 spin_lock_irqsave(&card->lock, flags);
1901 list_del_init(&reply->list);
1902 qeth_put_reply(reply);
1903 spin_unlock_irqrestore(&card->lock, flags);
1904 qeth_release_buffer(iob->channel, iob);
1905 atomic_set(&card->write.irq_pending, 0);
1906 wake_up(&card->wait_q);
1910 wait_event(reply->wait_q, reply->received);
1911 del_timer_sync(&timer);
1913 qeth_put_reply(reply);
1918 qeth_osn_send_control_data(struct qeth_card *card, int len,
1919 struct qeth_cmd_buffer *iob)
1921 unsigned long flags;
1924 QETH_DBF_TEXT(trace, 5, "osndctrd");
1926 wait_event(card->wait_q,
1927 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1928 qeth_prepare_control_data(card, len, iob);
1929 QETH_DBF_TEXT(trace, 6, "osnoirqp");
1930 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1931 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1932 (addr_t) iob, 0, 0);
1933 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1935 PRINT_WARN("qeth_osn_send_control_data: "
1936 "ccw_device_start rc = %i\n", rc);
1937 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1938 qeth_release_buffer(iob->channel, iob);
1939 atomic_set(&card->write.irq_pending, 0);
1940 wake_up(&card->wait_q);
1946 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1949 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1950 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1951 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1952 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1956 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1961 QETH_DBF_TEXT(trace,4,"osndipa");
1963 qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
1964 s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
1966 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
1967 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
1968 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
1969 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
1970 return qeth_osn_send_control_data(card, s1, iob);
1974 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1976 (struct qeth_card *,struct qeth_reply*, unsigned long),
1982 QETH_DBF_TEXT(trace,4,"sendipa");
1984 if (card->options.layer2)
1985 if (card->info.type == QETH_CARD_TYPE_OSN)
1986 prot_type = QETH_PROT_OSN2;
1988 prot_type = QETH_PROT_LAYER2;
1990 prot_type = QETH_PROT_TCPIP;
1991 qeth_prepare_ipa_cmd(card,iob,prot_type);
1992 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1993 reply_cb, reply_param);
1999 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2002 struct qeth_cmd_buffer *iob;
2004 QETH_DBF_TEXT(setup, 2, "cmenblcb");
2006 iob = (struct qeth_cmd_buffer *) data;
2007 memcpy(&card->token.cm_filter_r,
2008 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2009 QETH_MPC_TOKEN_LENGTH);
2010 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2015 qeth_cm_enable(struct qeth_card *card)
2018 struct qeth_cmd_buffer *iob;
2020 QETH_DBF_TEXT(setup,2,"cmenable");
2022 iob = qeth_wait_for_buffer(&card->write);
2023 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2024 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2025 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2026 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2027 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2029 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2030 qeth_cm_enable_cb, NULL);
2035 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2039 struct qeth_cmd_buffer *iob;
2041 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
2043 iob = (struct qeth_cmd_buffer *) data;
2044 memcpy(&card->token.cm_connection_r,
2045 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2046 QETH_MPC_TOKEN_LENGTH);
2047 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2052 qeth_cm_setup(struct qeth_card *card)
2055 struct qeth_cmd_buffer *iob;
2057 QETH_DBF_TEXT(setup,2,"cmsetup");
2059 iob = qeth_wait_for_buffer(&card->write);
2060 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2061 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2062 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2063 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2064 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2065 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2066 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2067 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2068 qeth_cm_setup_cb, NULL);
2074 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2078 __u16 mtu, framesize;
2081 struct qeth_cmd_buffer *iob;
2083 QETH_DBF_TEXT(setup, 2, "ulpenacb");
2085 iob = (struct qeth_cmd_buffer *) data;
2086 memcpy(&card->token.ulp_filter_r,
2087 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2088 QETH_MPC_TOKEN_LENGTH);
2089 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2090 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2091 mtu = qeth_get_mtu_outof_framesize(framesize);
2094 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2097 card->info.max_mtu = mtu;
2098 card->info.initial_mtu = mtu;
2099 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2101 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2102 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2103 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2106 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2107 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2109 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2110 card->info.link_type = link_type;
2112 card->info.link_type = 0;
2113 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2118 qeth_ulp_enable(struct qeth_card *card)
2122 struct qeth_cmd_buffer *iob;
2124 /*FIXME: trace view callbacks*/
2125 QETH_DBF_TEXT(setup,2,"ulpenabl");
2127 iob = qeth_wait_for_buffer(&card->write);
2128 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2130 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2131 (__u8) card->info.portno;
2132 if (card->options.layer2)
2133 if (card->info.type == QETH_CARD_TYPE_OSN)
2134 prot_type = QETH_PROT_OSN2;
2136 prot_type = QETH_PROT_LAYER2;
2138 prot_type = QETH_PROT_TCPIP;
2140 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2141 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2142 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2143 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2144 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2145 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2146 card->info.portname, 9);
2147 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2148 qeth_ulp_enable_cb, NULL);
2154 __raw_devno_from_bus_id(char *id)
2156 id += (strlen(id) - 4);
2157 return (__u16) simple_strtoul(id, &id, 16);
2161 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2164 struct qeth_cmd_buffer *iob;
2166 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2168 iob = (struct qeth_cmd_buffer *) data;
2169 memcpy(&card->token.ulp_connection_r,
2170 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2171 QETH_MPC_TOKEN_LENGTH);
2172 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2177 qeth_ulp_setup(struct qeth_card *card)
2181 struct qeth_cmd_buffer *iob;
2183 QETH_DBF_TEXT(setup,2,"ulpsetup");
2185 iob = qeth_wait_for_buffer(&card->write);
2186 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2188 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2189 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2190 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2191 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2192 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2193 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2195 temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2196 memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2197 temp = (card->info.cula << 8) + card->info.unit_addr2;
2198 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2199 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2200 qeth_ulp_setup_cb, NULL);
2205 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2206 unsigned int siga_error, const char *dbftext)
2208 if (qdio_error || siga_error) {
2209 QETH_DBF_TEXT(trace, 2, dbftext);
2210 QETH_DBF_TEXT(qerr, 2, dbftext);
2211 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2212 buf->element[15].flags & 0xff);
2213 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2214 buf->element[14].flags & 0xff);
2215 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2216 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2222 static inline struct sk_buff *
2223 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2225 struct sk_buff* skb;
2229 if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2230 add_len = sizeof(struct qeth_hdr);
2231 #ifdef CONFIG_QETH_VLAN
2233 add_len = VLAN_HLEN;
2235 skb = dev_alloc_skb(length + add_len);
2237 skb_reserve(skb, add_len);
2241 static inline struct sk_buff *
2242 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2243 struct qdio_buffer_element **__element, int *__offset,
2244 struct qeth_hdr **hdr)
2246 struct qdio_buffer_element *element = *__element;
2247 int offset = *__offset;
2248 struct sk_buff *skb = NULL;
2253 QETH_DBF_TEXT(trace,6,"nextskb");
2254 /* qeth_hdr must not cross element boundaries */
2255 if (element->length < offset + sizeof(struct qeth_hdr)){
2256 if (qeth_is_last_sbale(element))
2260 if (element->length < sizeof(struct qeth_hdr))
2263 *hdr = element->addr + offset;
2265 offset += sizeof(struct qeth_hdr);
2266 if (card->options.layer2)
2267 if (card->info.type == QETH_CARD_TYPE_OSN)
2268 skb_len = (*hdr)->hdr.osn.pdu_length;
2270 skb_len = (*hdr)->hdr.l2.pkt_length;
2272 skb_len = (*hdr)->hdr.l3.length;
2276 if (card->options.fake_ll){
2277 if(card->dev->type == ARPHRD_IEEE802_TR){
2278 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr)))
2280 skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
2282 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr)))
2284 skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
2286 } else if (!(skb = qeth_get_skb(skb_len, *hdr)))
2288 data_ptr = element->addr + offset;
2290 data_len = min(skb_len, (int)(element->length - offset));
2292 memcpy(skb_put(skb, data_len), data_ptr, data_len);
2293 skb_len -= data_len;
2295 if (qeth_is_last_sbale(element)){
2296 QETH_DBF_TEXT(trace,4,"unexeob");
2297 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2298 QETH_DBF_TEXT(qerr,2,"unexeob");
2299 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2300 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2301 dev_kfree_skb_any(skb);
2302 card->stats.rx_errors++;
2307 data_ptr = element->addr;
2312 *__element = element;
2316 if (net_ratelimit()){
2317 PRINT_WARN("No memory for packet received on %s.\n",
2318 QETH_CARD_IFNAME(card));
2319 QETH_DBF_TEXT(trace,2,"noskbmem");
2320 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2322 card->stats.rx_dropped++;
2326 static inline __be16
2327 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2329 struct qeth_card *card;
2332 QETH_DBF_TEXT(trace,6,"typtrans");
2334 card = (struct qeth_card *)dev->priv;
2336 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2337 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2338 return tr_type_trans(skb,dev);
2339 #endif /* CONFIG_TR */
2340 skb->mac.raw = skb->data;
2341 skb_pull(skb, ETH_HLEN );
2344 if (*eth->h_dest & 1) {
2345 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2346 skb->pkt_type = PACKET_BROADCAST;
2348 skb->pkt_type = PACKET_MULTICAST;
2349 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2350 skb->pkt_type = PACKET_OTHERHOST;
2352 if (ntohs(eth->h_proto) >= 1536)
2353 return eth->h_proto;
2354 if (*(unsigned short *) (skb->data) == 0xFFFF)
2355 return htons(ETH_P_802_3);
2356 return htons(ETH_P_802_2);
2360 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2361 struct qeth_hdr *hdr)
2363 struct trh_hdr *fake_hdr;
2364 struct trllc *fake_llc;
2365 struct iphdr *ip_hdr;
2367 QETH_DBF_TEXT(trace,5,"skbfktr");
2368 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR;
2369 /* this is a fake ethernet header */
2370 fake_hdr = (struct trh_hdr *) skb->mac.raw;
2372 /* the destination MAC address */
2373 switch (skb->pkt_type){
2374 case PACKET_MULTICAST:
2375 switch (skb->protocol){
2376 #ifdef CONFIG_QETH_IPV6
2377 case __constant_htons(ETH_P_IPV6):
2378 ndisc_mc_map((struct in6_addr *)
2379 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2380 fake_hdr->daddr, card->dev, 0);
2382 #endif /* CONFIG_QETH_IPV6 */
2383 case __constant_htons(ETH_P_IP):
2384 ip_hdr = (struct iphdr *)skb->data;
2385 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2388 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2391 case PACKET_BROADCAST:
2392 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2395 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2397 /* the source MAC address */
2398 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2399 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2401 memset(fake_hdr->saddr, 0, TR_ALEN);
2403 fake_llc = (struct trllc*)&(fake_hdr->rcf);
2404 fake_llc->dsap = EXTENDED_SAP;
2405 fake_llc->ssap = EXTENDED_SAP;
2406 fake_llc->llc = UI_CMD;
2407 fake_llc->protid[0] = 0;
2408 fake_llc->protid[1] = 0;
2409 fake_llc->protid[2] = 0;
2410 fake_llc->ethertype = ETH_P_IP;
2414 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2415 struct qeth_hdr *hdr)
2417 struct ethhdr *fake_hdr;
2418 struct iphdr *ip_hdr;
2420 QETH_DBF_TEXT(trace,5,"skbfketh");
2421 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH;
2422 /* this is a fake ethernet header */
2423 fake_hdr = (struct ethhdr *) skb->mac.raw;
2425 /* the destination MAC address */
2426 switch (skb->pkt_type){
2427 case PACKET_MULTICAST:
2428 switch (skb->protocol){
2429 #ifdef CONFIG_QETH_IPV6
2430 case __constant_htons(ETH_P_IPV6):
2431 ndisc_mc_map((struct in6_addr *)
2432 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2433 fake_hdr->h_dest, card->dev, 0);
2435 #endif /* CONFIG_QETH_IPV6 */
2436 case __constant_htons(ETH_P_IP):
2437 ip_hdr = (struct iphdr *)skb->data;
2438 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2441 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2444 case PACKET_BROADCAST:
2445 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2448 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2450 /* the source MAC address */
2451 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2452 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2454 memset(fake_hdr->h_source, 0, ETH_ALEN);
2456 fake_hdr->h_proto = skb->protocol;
2460 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2461 struct qeth_hdr *hdr)
2463 if (card->dev->type == ARPHRD_IEEE802_TR)
2464 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2466 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2470 qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb,
2471 struct qeth_hdr *hdr)
2473 #ifdef CONFIG_QETH_VLAN
2476 if (hdr->hdr.l3.ext_flags &
2477 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2478 vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
2479 *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2480 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2481 *(vlan_tag + 1) = skb->protocol;
2482 skb->protocol = __constant_htons(ETH_P_8021Q);
2484 #endif /* CONFIG_QETH_VLAN */
2488 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2489 struct qeth_hdr *hdr)
2491 unsigned short vlan_id = 0;
2492 #ifdef CONFIG_QETH_VLAN
2493 struct vlan_hdr *vhdr;
2496 skb->pkt_type = PACKET_HOST;
2497 skb->protocol = qeth_type_trans(skb, skb->dev);
2498 if (card->options.checksum_type == NO_CHECKSUMMING)
2499 skb->ip_summed = CHECKSUM_UNNECESSARY;
2501 skb->ip_summed = CHECKSUM_NONE;
2502 #ifdef CONFIG_QETH_VLAN
2503 if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) {
2504 vhdr = (struct vlan_hdr *) skb->data;
2506 __constant_htons(vhdr->h_vlan_encapsulated_proto);
2507 vlan_id = hdr->hdr.l2.vlan_id;
2508 skb_pull(skb, VLAN_HLEN);
2511 *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2516 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2517 struct qeth_hdr *hdr)
2519 #ifdef CONFIG_QETH_IPV6
2520 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2521 skb->pkt_type = PACKET_HOST;
2522 skb->protocol = qeth_type_trans(skb, card->dev);
2525 #endif /* CONFIG_QETH_IPV6 */
2526 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2528 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2529 case QETH_CAST_UNICAST:
2530 skb->pkt_type = PACKET_HOST;
2532 case QETH_CAST_MULTICAST:
2533 skb->pkt_type = PACKET_MULTICAST;
2534 card->stats.multicast++;
2536 case QETH_CAST_BROADCAST:
2537 skb->pkt_type = PACKET_BROADCAST;
2538 card->stats.multicast++;
2540 case QETH_CAST_ANYCAST:
2541 case QETH_CAST_NOCAST:
2543 skb->pkt_type = PACKET_HOST;
2545 qeth_rebuild_skb_vlan(card, skb, hdr);
2546 if (card->options.fake_ll)
2547 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2549 skb->mac.raw = skb->data;
2550 skb->ip_summed = card->options.checksum_type;
2551 if (card->options.checksum_type == HW_CHECKSUMMING){
2552 if ( (hdr->hdr.l3.ext_flags &
2553 (QETH_HDR_EXT_CSUM_HDR_REQ |
2554 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2555 (QETH_HDR_EXT_CSUM_HDR_REQ |
2556 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2557 skb->ip_summed = CHECKSUM_UNNECESSARY;
2559 skb->ip_summed = SW_CHECKSUMMING;
2564 qeth_process_inbound_buffer(struct qeth_card *card,
2565 struct qeth_qdio_buffer *buf, int index)
2567 struct qdio_buffer_element *element;
2568 struct sk_buff *skb;
2569 struct qeth_hdr *hdr;
2574 /* get first element of current buffer */
2575 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2577 #ifdef CONFIG_QETH_PERF_STATS
2578 card->perf_stats.bufs_rec++;
2580 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2582 skb->dev = card->dev;
2583 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2584 vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
2585 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2586 qeth_rebuild_skb(card, skb, hdr);
2587 else { /*in case of OSN*/
2588 skb_push(skb, sizeof(struct qeth_hdr));
2589 memcpy(skb->data, hdr, sizeof(struct qeth_hdr));
2591 /* is device UP ? */
2592 if (!(card->dev->flags & IFF_UP)){
2593 dev_kfree_skb_any(skb);
2596 #ifdef CONFIG_QETH_VLAN
2598 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2601 if (card->info.type == QETH_CARD_TYPE_OSN)
2602 rxrc = card->osn_info.data_cb(skb);
2604 rxrc = netif_rx(skb);
2605 card->dev->last_rx = jiffies;
2606 card->stats.rx_packets++;
2607 card->stats.rx_bytes += skb->len;
2611 static inline struct qeth_buffer_pool_entry *
2612 qeth_get_buffer_pool_entry(struct qeth_card *card)
2614 struct qeth_buffer_pool_entry *entry;
2616 QETH_DBF_TEXT(trace, 6, "gtbfplen");
2617 if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2618 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2619 struct qeth_buffer_pool_entry, list);
2620 list_del_init(&entry->list);
2627 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2629 struct qeth_buffer_pool_entry *pool_entry;
2632 pool_entry = qeth_get_buffer_pool_entry(card);
2634 * since the buffer is accessed only from the input_tasklet
2635 * there shouldn't be a need to synchronize; also, since we use
2636 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2639 BUG_ON(!pool_entry);
2641 buf->pool_entry = pool_entry;
2642 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2643 buf->buffer->element[i].length = PAGE_SIZE;
2644 buf->buffer->element[i].addr = pool_entry->elements[i];
2645 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2646 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2648 buf->buffer->element[i].flags = 0;
2650 buf->state = QETH_QDIO_BUF_EMPTY;
2654 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2655 struct qeth_qdio_out_buffer *buf)
2658 struct sk_buff *skb;
2660 /* is PCI flag set on buffer? */
2661 if (buf->buffer->element[0].flags & 0x40)
2662 atomic_dec(&queue->set_pci_flags_count);
2664 while ((skb = skb_dequeue(&buf->skb_list))){
2665 atomic_dec(&skb->users);
2666 dev_kfree_skb_any(skb);
2668 qeth_eddp_buf_release_contexts(buf);
2669 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2670 buf->buffer->element[i].length = 0;
2671 buf->buffer->element[i].addr = NULL;
2672 buf->buffer->element[i].flags = 0;
2674 buf->next_element_to_fill = 0;
2675 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2679 qeth_queue_input_buffer(struct qeth_card *card, int index)
2681 struct qeth_qdio_q *queue = card->qdio.in_q;
2686 QETH_DBF_TEXT(trace,6,"queinbuf");
2687 count = (index < queue->next_buf_to_init)?
2688 card->qdio.in_buf_pool.buf_count -
2689 (queue->next_buf_to_init - index) :
2690 card->qdio.in_buf_pool.buf_count -
2691 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2692 /* only requeue at a certain threshold to avoid SIGAs */
2693 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2694 for (i = queue->next_buf_to_init;
2695 i < queue->next_buf_to_init + count; ++i)
2696 qeth_init_input_buffer(card,
2697 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2699 * according to old code it should be avoided to requeue all
2700 * 128 buffers in order to benefit from PCI avoidance.
2701 * this function keeps at least one buffer (the buffer at
2702 * 'index') un-requeued -> this buffer is the first buffer that
2703 * will be requeued the next time
2705 #ifdef CONFIG_QETH_PERF_STATS
2706 card->perf_stats.inbound_do_qdio_cnt++;
2707 card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros();
2709 rc = do_QDIO(CARD_DDEV(card),
2710 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2711 0, queue->next_buf_to_init, count, NULL);
2712 #ifdef CONFIG_QETH_PERF_STATS
2713 card->perf_stats.inbound_do_qdio_time += qeth_get_micros() -
2714 card->perf_stats.inbound_do_qdio_start_time;
2717 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2718 "return %i (device %s).\n",
2719 rc, CARD_DDEV_ID(card));
2720 QETH_DBF_TEXT(trace,2,"qinberr");
2721 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2723 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2724 QDIO_MAX_BUFFERS_PER_Q;
2729 qeth_put_buffer_pool_entry(struct qeth_card *card,
2730 struct qeth_buffer_pool_entry *entry)
2732 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2733 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2737 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2738 unsigned int qdio_err, unsigned int siga_err,
2739 unsigned int queue, int first_element, int count,
2740 unsigned long card_ptr)
2742 struct net_device *net_dev;
2743 struct qeth_card *card;
2744 struct qeth_qdio_buffer *buffer;
2748 QETH_DBF_TEXT(trace, 6, "qdinput");
2749 card = (struct qeth_card *) card_ptr;
2750 net_dev = card->dev;
2751 #ifdef CONFIG_QETH_PERF_STATS
2752 card->perf_stats.inbound_cnt++;
2753 card->perf_stats.inbound_start_time = qeth_get_micros();
2755 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2756 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2757 QETH_DBF_TEXT(trace, 1,"qdinchk");
2758 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2759 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2760 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2761 qeth_schedule_recovery(card);
2765 for (i = first_element; i < (first_element + count); ++i) {
2766 index = i % QDIO_MAX_BUFFERS_PER_Q;
2767 buffer = &card->qdio.in_q->bufs[index];
2768 if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
2769 qeth_check_qdio_errors(buffer->buffer,
2770 qdio_err, siga_err,"qinerr")))
2771 qeth_process_inbound_buffer(card, buffer, index);
2772 /* clear buffer and give back to hardware */
2773 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2774 qeth_queue_input_buffer(card, index);
2776 #ifdef CONFIG_QETH_PERF_STATS
2777 card->perf_stats.inbound_time += qeth_get_micros() -
2778 card->perf_stats.inbound_start_time;
2783 qeth_handle_send_error(struct qeth_card *card,
2784 struct qeth_qdio_out_buffer *buffer,
2785 unsigned int qdio_err, unsigned int siga_err)
2787 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2788 int cc = siga_err & 3;
2790 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2791 qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2795 QETH_DBF_TEXT(trace, 1,"lnkfail");
2796 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2797 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2798 (u16)qdio_err, (u8)sbalf15);
2799 return QETH_SEND_ERROR_LINK_FAILURE;
2801 return QETH_SEND_ERROR_NONE;
2803 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2804 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2805 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2806 return QETH_SEND_ERROR_KICK_IT;
2808 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2809 return QETH_SEND_ERROR_RETRY;
2810 return QETH_SEND_ERROR_LINK_FAILURE;
2811 /* look at qdio_error and sbalf 15 */
2813 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2814 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2815 return QETH_SEND_ERROR_LINK_FAILURE;
2817 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2818 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2819 return QETH_SEND_ERROR_KICK_IT;
2821 return QETH_SEND_ERROR_LINK_FAILURE;
2825 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2826 int index, int count)
2828 struct qeth_qdio_out_buffer *buf;
2832 QETH_DBF_TEXT(trace, 6, "flushbuf");
2834 for (i = index; i < index + count; ++i) {
2835 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2836 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2837 SBAL_FLAGS_LAST_ENTRY;
2839 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2842 if (!queue->do_pack){
2843 if ((atomic_read(&queue->used_buffers) >=
2844 (QETH_HIGH_WATERMARK_PACK -
2845 QETH_WATERMARK_PACK_FUZZ)) &&
2846 !atomic_read(&queue->set_pci_flags_count)){
2847 /* it's likely that we'll go to packing
2849 atomic_inc(&queue->set_pci_flags_count);
2850 buf->buffer->element[0].flags |= 0x40;
2853 if (!atomic_read(&queue->set_pci_flags_count)){
2855 * there's no outstanding PCI any more, so we
2856 * have to request a PCI to be sure the the PCI
2857 * will wake at some time in the future then we
2858 * can flush packed buffers that might still be
2859 * hanging around, which can happen if no
2860 * further send was requested by the stack
2862 atomic_inc(&queue->set_pci_flags_count);
2863 buf->buffer->element[0].flags |= 0x40;
2868 queue->card->dev->trans_start = jiffies;
2869 #ifdef CONFIG_QETH_PERF_STATS
2870 queue->card->perf_stats.outbound_do_qdio_cnt++;
2871 queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros();
2874 rc = do_QDIO(CARD_DDEV(queue->card),
2875 QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2876 queue->queue_no, index, count, NULL);
2878 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2879 queue->queue_no, index, count, NULL);
2880 #ifdef CONFIG_QETH_PERF_STATS
2881 queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() -
2882 queue->card->perf_stats.outbound_do_qdio_start_time;
2885 QETH_DBF_TEXT(trace, 2, "flushbuf");
2886 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2887 QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
2888 queue->card->stats.tx_errors += count;
2889 /* this must not happen under normal circumstances. if it
2890 * happens something is really wrong -> recover */
2891 qeth_schedule_recovery(queue->card);
2894 atomic_add(count, &queue->used_buffers);
2895 #ifdef CONFIG_QETH_PERF_STATS
2896 queue->card->perf_stats.bufs_sent += count;
2901 * Switched to packing state if the number of used buffers on a queue
2902 * reaches a certain limit.
2905 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2907 if (!queue->do_pack) {
2908 if (atomic_read(&queue->used_buffers)
2909 >= QETH_HIGH_WATERMARK_PACK){
2910 /* switch non-PACKING -> PACKING */
2911 QETH_DBF_TEXT(trace, 6, "np->pack");
2912 #ifdef CONFIG_QETH_PERF_STATS
2913 queue->card->perf_stats.sc_dp_p++;
2921 * Switches from packing to non-packing mode. If there is a packing
2922 * buffer on the queue this buffer will be prepared to be flushed.
2923 * In that case 1 is returned to inform the caller. If no buffer
2924 * has to be flushed, zero is returned.
2927 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2929 struct qeth_qdio_out_buffer *buffer;
2930 int flush_count = 0;
2932 if (queue->do_pack) {
2933 if (atomic_read(&queue->used_buffers)
2934 <= QETH_LOW_WATERMARK_PACK) {
2935 /* switch PACKING -> non-PACKING */
2936 QETH_DBF_TEXT(trace, 6, "pack->np");
2937 #ifdef CONFIG_QETH_PERF_STATS
2938 queue->card->perf_stats.sc_p_dp++;
2941 /* flush packing buffers */
2942 buffer = &queue->bufs[queue->next_buf_to_fill];
2943 if ((atomic_read(&buffer->state) ==
2944 QETH_QDIO_BUF_EMPTY) &&
2945 (buffer->next_element_to_fill > 0)) {
2946 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2948 queue->next_buf_to_fill =
2949 (queue->next_buf_to_fill + 1) %
2950 QDIO_MAX_BUFFERS_PER_Q;
2958 * Called to flush a packing buffer if no more pci flags are on the queue.
2959 * Checks if there is a packing buffer and prepares it to be flushed.
2960 * In that case returns 1, otherwise zero.
2963 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2965 struct qeth_qdio_out_buffer *buffer;
2967 buffer = &queue->bufs[queue->next_buf_to_fill];
2968 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2969 (buffer->next_element_to_fill > 0)){
2970 /* it's a packing buffer */
2971 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2972 queue->next_buf_to_fill =
2973 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2980 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2984 int q_was_packing = 0;
2987 * check if weed have to switch to non-packing mode or if
2988 * we have to get a pci flag out on the queue
2990 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2991 !atomic_read(&queue->set_pci_flags_count)){
2992 if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2993 QETH_OUT_Q_UNLOCKED) {
2995 * If we get in here, there was no action in
2996 * do_send_packet. So, we check if there is a
2997 * packing buffer to be flushed here.
2999 netif_stop_queue(queue->card->dev);
3000 index = queue->next_buf_to_fill;
3001 q_was_packing = queue->do_pack;
3002 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3004 !atomic_read(&queue->set_pci_flags_count))
3006 qeth_flush_buffers_on_no_pci(queue);
3007 #ifdef CONFIG_QETH_PERF_STATS
3009 queue->card->perf_stats.bufs_sent_pack +=
3013 qeth_flush_buffers(queue, 1, index, flush_cnt);
3014 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3020 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
3021 unsigned int qdio_error, unsigned int siga_error,
3022 unsigned int __queue, int first_element, int count,
3023 unsigned long card_ptr)
3025 struct qeth_card *card = (struct qeth_card *) card_ptr;
3026 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3027 struct qeth_qdio_out_buffer *buffer;
3030 QETH_DBF_TEXT(trace, 6, "qdouhdl");
3031 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
3032 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
3033 QETH_DBF_TEXT(trace, 2, "achkcond");
3034 QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
3035 QETH_DBF_TEXT_(trace, 2, "%08x", status);
3036 netif_stop_queue(card->dev);
3037 qeth_schedule_recovery(card);
3041 #ifdef CONFIG_QETH_PERF_STATS
3042 card->perf_stats.outbound_handler_cnt++;
3043 card->perf_stats.outbound_handler_start_time = qeth_get_micros();
3045 for(i = first_element; i < (first_element + count); ++i){
3046 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
3047 /*we only handle the KICK_IT error by doing a recovery */
3048 if (qeth_handle_send_error(card, buffer,
3049 qdio_error, siga_error)
3050 == QETH_SEND_ERROR_KICK_IT){
3051 netif_stop_queue(card->dev);
3052 qeth_schedule_recovery(card);
3055 qeth_clear_output_buffer(queue, buffer);
3057 atomic_sub(count, &queue->used_buffers);
3058 /* check if we need to do something on this outbound queue */
3059 if (card->info.type != QETH_CARD_TYPE_IQD)
3060 qeth_check_outbound_queue(queue);
3062 netif_wake_queue(queue->card->dev);
3063 #ifdef CONFIG_QETH_PERF_STATS
3064 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3065 card->perf_stats.outbound_handler_start_time;
3070 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
3073 param_field[0] = _ascebc['P'];
3074 param_field[1] = _ascebc['C'];
3075 param_field[2] = _ascebc['I'];
3076 param_field[3] = _ascebc['T'];
3077 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
3078 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
3079 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
3083 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3085 param_field[16] = _ascebc['B'];
3086 param_field[17] = _ascebc['L'];
3087 param_field[18] = _ascebc['K'];
3088 param_field[19] = _ascebc['T'];
3089 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
3090 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
3091 *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo;
3095 qeth_initialize_working_pool_list(struct qeth_card *card)
3097 struct qeth_buffer_pool_entry *entry;
3099 QETH_DBF_TEXT(trace,5,"inwrklst");
3101 list_for_each_entry(entry,
3102 &card->qdio.init_pool.entry_list, init_list) {
3103 qeth_put_buffer_pool_entry(card,entry);
3108 qeth_clear_working_pool_list(struct qeth_card *card)
3110 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3112 QETH_DBF_TEXT(trace,5,"clwrklst");
3113 list_for_each_entry_safe(pool_entry, tmp,
3114 &card->qdio.in_buf_pool.entry_list, list){
3115 list_del(&pool_entry->list);
3120 qeth_free_buffer_pool(struct qeth_card *card)
3122 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3124 QETH_DBF_TEXT(trace,5,"freepool");
3125 list_for_each_entry_safe(pool_entry, tmp,
3126 &card->qdio.init_pool.entry_list, init_list){
3127 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3128 free_page((unsigned long)pool_entry->elements[i]);
3129 list_del(&pool_entry->init_list);
3135 qeth_alloc_buffer_pool(struct qeth_card *card)
3137 struct qeth_buffer_pool_entry *pool_entry;
3141 QETH_DBF_TEXT(trace,5,"alocpool");
3142 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3143 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3145 qeth_free_buffer_pool(card);
3148 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3149 ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3152 free_page((unsigned long)
3153 pool_entry->elements[--j]);
3155 qeth_free_buffer_pool(card);
3158 pool_entry->elements[j] = ptr;
3160 list_add(&pool_entry->init_list,
3161 &card->qdio.init_pool.entry_list);
3167 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3169 QETH_DBF_TEXT(trace, 2, "realcbp");
3171 if ((card->state != CARD_STATE_DOWN) &&
3172 (card->state != CARD_STATE_RECOVER))
3175 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3176 qeth_clear_working_pool_list(card);
3177 qeth_free_buffer_pool(card);
3178 card->qdio.in_buf_pool.buf_count = bufcnt;
3179 card->qdio.init_pool.buf_count = bufcnt;
3180 return qeth_alloc_buffer_pool(card);
3184 qeth_alloc_qdio_buffers(struct qeth_card *card)
3188 QETH_DBF_TEXT(setup, 2, "allcqdbf");
3190 if (card->qdio.state == QETH_QDIO_ALLOCATED)
3193 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3194 GFP_KERNEL|GFP_DMA);
3195 if (!card->qdio.in_q)
3197 QETH_DBF_TEXT(setup, 2, "inq");
3198 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3199 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3200 /* give inbound qeth_qdio_buffers their qdio_buffers */
3201 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3202 card->qdio.in_q->bufs[i].buffer =
3203 &card->qdio.in_q->qdio_bufs[i];
3204 /* inbound buffer pool */
3205 if (qeth_alloc_buffer_pool(card)){
3206 kfree(card->qdio.in_q);
3211 kmalloc(card->qdio.no_out_queues *
3212 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3213 if (!card->qdio.out_qs){
3214 qeth_free_buffer_pool(card);
3217 for (i = 0; i < card->qdio.no_out_queues; ++i){
3218 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3219 GFP_KERNEL|GFP_DMA);
3220 if (!card->qdio.out_qs[i]){
3222 kfree(card->qdio.out_qs[--i]);
3223 kfree(card->qdio.out_qs);
3226 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3227 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3228 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3229 card->qdio.out_qs[i]->queue_no = i;
3230 /* give outbound qeth_qdio_buffers their qdio_buffers */
3231 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3232 card->qdio.out_qs[i]->bufs[j].buffer =
3233 &card->qdio.out_qs[i]->qdio_bufs[j];
3234 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3236 INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3239 card->qdio.state = QETH_QDIO_ALLOCATED;
3244 qeth_free_qdio_buffers(struct qeth_card *card)
3248 QETH_DBF_TEXT(trace, 2, "freeqdbf");
3249 if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
3251 kfree(card->qdio.in_q);
3252 /* inbound buffer pool */
3253 qeth_free_buffer_pool(card);
3254 /* free outbound qdio_qs */
3255 for (i = 0; i < card->qdio.no_out_queues; ++i){
3256 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3257 qeth_clear_output_buffer(card->qdio.out_qs[i],
3258 &card->qdio.out_qs[i]->bufs[j]);
3259 kfree(card->qdio.out_qs[i]);
3261 kfree(card->qdio.out_qs);
3262 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3266 qeth_clear_qdio_buffers(struct qeth_card *card)
3270 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3271 /* clear outbound buffers to free skbs */
3272 for (i = 0; i < card->qdio.no_out_queues; ++i)
3273 if (card->qdio.out_qs[i]){
3274 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3275 qeth_clear_output_buffer(card->qdio.out_qs[i],
3276 &card->qdio.out_qs[i]->bufs[j]);
3281 qeth_init_qdio_info(struct qeth_card *card)
3283 QETH_DBF_TEXT(setup, 4, "intqdinf");
3284 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3286 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3287 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3288 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3289 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3290 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3294 qeth_init_qdio_queues(struct qeth_card *card)
3299 QETH_DBF_TEXT(setup, 2, "initqdqs");
3302 memset(card->qdio.in_q->qdio_bufs, 0,
3303 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3304 qeth_initialize_working_pool_list(card);
3305 /*give only as many buffers to hardware as we have buffer pool entries*/
3306 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3307 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3308 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3309 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3310 card->qdio.in_buf_pool.buf_count - 1, NULL);
3312 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3315 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3317 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3320 /* outbound queue */
3321 for (i = 0; i < card->qdio.no_out_queues; ++i){
3322 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3323 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3324 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3325 qeth_clear_output_buffer(card->qdio.out_qs[i],
3326 &card->qdio.out_qs[i]->bufs[j]);
3328 card->qdio.out_qs[i]->card = card;
3329 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3330 card->qdio.out_qs[i]->do_pack = 0;
3331 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3332 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3333 atomic_set(&card->qdio.out_qs[i]->state,
3334 QETH_OUT_Q_UNLOCKED);
3340 qeth_qdio_establish(struct qeth_card *card)
3342 struct qdio_initialize init_data;
3343 char *qib_param_field;
3344 struct qdio_buffer **in_sbal_ptrs;
3345 struct qdio_buffer **out_sbal_ptrs;
3349 QETH_DBF_TEXT(setup, 2, "qdioest");
3351 qib_param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3353 if (!qib_param_field)
3356 memset(qib_param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char));
3358 qeth_create_qib_param_field(card, qib_param_field);
3359 qeth_create_qib_param_field_blkt(card, qib_param_field);
3361 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3363 if (!in_sbal_ptrs) {
3364 kfree(qib_param_field);
3367 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3368 in_sbal_ptrs[i] = (struct qdio_buffer *)
3369 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3372 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3373 sizeof(void *), GFP_KERNEL);
3374 if (!out_sbal_ptrs) {
3375 kfree(in_sbal_ptrs);
3376 kfree(qib_param_field);
3379 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3380 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3381 out_sbal_ptrs[k] = (struct qdio_buffer *)
3382 virt_to_phys(card->qdio.out_qs[i]->
3386 memset(&init_data, 0, sizeof(struct qdio_initialize));
3387 init_data.cdev = CARD_DDEV(card);
3388 init_data.q_format = qeth_get_qdio_q_format(card);
3389 init_data.qib_param_field_format = 0;
3390 init_data.qib_param_field = qib_param_field;
3391 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3392 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3393 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3394 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3395 init_data.no_input_qs = 1;
3396 init_data.no_output_qs = card->qdio.no_out_queues;
3397 init_data.input_handler = (qdio_handler_t *)
3398 qeth_qdio_input_handler;
3399 init_data.output_handler = (qdio_handler_t *)
3400 qeth_qdio_output_handler;
3401 init_data.int_parm = (unsigned long) card;
3402 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3403 QDIO_OUTBOUND_0COPY_SBALS |
3404 QDIO_USE_OUTBOUND_PCIS;
3405 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3406 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3408 if (!(rc = qdio_initialize(&init_data)))
3409 card->qdio.state = QETH_QDIO_ESTABLISHED;
3411 kfree(out_sbal_ptrs);
3412 kfree(in_sbal_ptrs);
3413 kfree(qib_param_field);
3418 qeth_qdio_activate(struct qeth_card *card)
3420 QETH_DBF_TEXT(setup,3,"qdioact");
3421 return qdio_activate(CARD_DDEV(card), 0);
3425 qeth_clear_channel(struct qeth_channel *channel)
3427 unsigned long flags;
3428 struct qeth_card *card;
3431 QETH_DBF_TEXT(trace,3,"clearch");
3432 card = CARD_FROM_CDEV(channel->ccwdev);
3433 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3434 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3435 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3439 rc = wait_event_interruptible_timeout(card->wait_q,
3440 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3441 if (rc == -ERESTARTSYS)
3443 if (channel->state != CH_STATE_STOPPED)
3445 channel->state = CH_STATE_DOWN;
3450 qeth_halt_channel(struct qeth_channel *channel)
3452 unsigned long flags;
3453 struct qeth_card *card;
3456 QETH_DBF_TEXT(trace,3,"haltch");
3457 card = CARD_FROM_CDEV(channel->ccwdev);
3458 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3459 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3460 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3464 rc = wait_event_interruptible_timeout(card->wait_q,
3465 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3466 if (rc == -ERESTARTSYS)
3468 if (channel->state != CH_STATE_HALTED)
3474 qeth_halt_channels(struct qeth_card *card)
3476 int rc1 = 0, rc2=0, rc3 = 0;
3478 QETH_DBF_TEXT(trace,3,"haltchs");
3479 rc1 = qeth_halt_channel(&card->read);
3480 rc2 = qeth_halt_channel(&card->write);
3481 rc3 = qeth_halt_channel(&card->data);
3489 qeth_clear_channels(struct qeth_card *card)
3491 int rc1 = 0, rc2=0, rc3 = 0;
3493 QETH_DBF_TEXT(trace,3,"clearchs");
3494 rc1 = qeth_clear_channel(&card->read);
3495 rc2 = qeth_clear_channel(&card->write);
3496 rc3 = qeth_clear_channel(&card->data);
3505 qeth_clear_halt_card(struct qeth_card *card, int halt)
3509 QETH_DBF_TEXT(trace,3,"clhacrd");
3510 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3513 rc = qeth_halt_channels(card);
3516 return qeth_clear_channels(card);
3520 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3524 QETH_DBF_TEXT(trace,3,"qdioclr");
3525 if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3526 if ((rc = qdio_cleanup(CARD_DDEV(card),
3527 (card->info.type == QETH_CARD_TYPE_IQD) ?
3528 QDIO_FLAG_CLEANUP_USING_HALT :
3529 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3530 QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3531 card->qdio.state = QETH_QDIO_ALLOCATED;
3533 if ((rc = qeth_clear_halt_card(card, use_halt)))
3534 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3535 card->state = CARD_STATE_DOWN;
3540 qeth_dm_act(struct qeth_card *card)
3543 struct qeth_cmd_buffer *iob;
3545 QETH_DBF_TEXT(setup,2,"dmact");
3547 iob = qeth_wait_for_buffer(&card->write);
3548 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3550 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3551 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3552 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3553 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3554 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3559 qeth_mpc_initialize(struct qeth_card *card)
3563 QETH_DBF_TEXT(setup,2,"mpcinit");
3565 if ((rc = qeth_issue_next_read(card))){
3566 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3569 if ((rc = qeth_cm_enable(card))){
3570 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3573 if ((rc = qeth_cm_setup(card))){
3574 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3577 if ((rc = qeth_ulp_enable(card))){
3578 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3581 if ((rc = qeth_ulp_setup(card))){
3582 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3585 if ((rc = qeth_alloc_qdio_buffers(card))){
3586 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3589 if ((rc = qeth_qdio_establish(card))){
3590 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3591 qeth_free_qdio_buffers(card);
3594 if ((rc = qeth_qdio_activate(card))){
3595 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3598 if ((rc = qeth_dm_act(card))){
3599 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3605 qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3609 static struct net_device *
3610 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3612 struct net_device *dev = NULL;
3615 case QETH_CARD_TYPE_OSAE:
3617 case QETH_LINK_TYPE_LANE_TR:
3618 case QETH_LINK_TYPE_HSTR:
3620 dev = alloc_trdev(0);
3621 #endif /* CONFIG_TR */
3624 dev = alloc_etherdev(0);
3627 case QETH_CARD_TYPE_IQD:
3628 dev = alloc_netdev(0, "hsi%d", ether_setup);
3630 case QETH_CARD_TYPE_OSN:
3631 dev = alloc_netdev(0, "osn%d", ether_setup);
3634 dev = alloc_etherdev(0);
3639 /*hard_header fake function; used in case fake_ll is set */
3641 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3642 unsigned short type, void *daddr, void *saddr,
3645 if(dev->type == ARPHRD_IEEE802_TR){
3646 struct trh_hdr *hdr;
3647 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3648 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3649 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3650 return QETH_FAKE_LL_LEN_TR;
3654 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3655 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3656 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3657 if (type != ETH_P_802_3)
3658 hdr->h_proto = htons(type);
3660 hdr->h_proto = htons(len);
3661 return QETH_FAKE_LL_LEN_ETH;
3667 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3670 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3673 struct qeth_card *card;
3675 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3676 card = (struct qeth_card *)dev->priv;
3678 card->stats.tx_dropped++;
3679 card->stats.tx_errors++;
3680 /* return OK; otherwise ksoftirqd goes to 100% */
3681 return NETDEV_TX_OK;
3683 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3684 card->stats.tx_dropped++;
3685 card->stats.tx_errors++;
3686 card->stats.tx_carrier_errors++;
3687 dev_kfree_skb_any(skb);
3688 /* return OK; otherwise ksoftirqd goes to 100% */
3689 return NETDEV_TX_OK;
3691 #ifdef CONFIG_QETH_PERF_STATS
3692 card->perf_stats.outbound_cnt++;
3693 card->perf_stats.outbound_start_time = qeth_get_micros();
3695 netif_stop_queue(dev);
3696 if ((rc = qeth_send_packet(card, skb))) {
3698 return NETDEV_TX_BUSY;
3700 card->stats.tx_errors++;
3701 card->stats.tx_dropped++;
3702 dev_kfree_skb_any(skb);
3703 /*set to OK; otherwise ksoftirqd goes to 100% */
3707 netif_wake_queue(dev);
3708 #ifdef CONFIG_QETH_PERF_STATS
3709 card->perf_stats.outbound_time += qeth_get_micros() -
3710 card->perf_stats.outbound_start_time;
3716 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3719 #ifdef CONFIG_QETH_VLAN
3720 struct vlan_group *vg;
3723 if (!(vg = card->vlangrp))
3726 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3727 if (vg->vlan_devices[i] == dev){
3728 rc = QETH_VLAN_CARD;
3732 if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3740 qeth_verify_dev(struct net_device *dev)
3742 struct qeth_card *card;
3743 unsigned long flags;
3746 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3747 list_for_each_entry(card, &qeth_card_list.list, list){
3748 if (card->dev == dev){
3749 rc = QETH_REAL_CARD;
3752 rc = qeth_verify_vlan_dev(dev, card);
3756 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3761 static struct qeth_card *
3762 qeth_get_card_from_dev(struct net_device *dev)
3764 struct qeth_card *card = NULL;
3767 rc = qeth_verify_dev(dev);
3768 if (rc == QETH_REAL_CARD)
3769 card = (struct qeth_card *)dev->priv;
3770 else if (rc == QETH_VLAN_CARD)
3771 card = (struct qeth_card *)
3772 VLAN_DEV_INFO(dev)->real_dev->priv;
3774 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3779 qeth_tx_timeout(struct net_device *dev)
3781 struct qeth_card *card;
3783 card = (struct qeth_card *) dev->priv;
3784 card->stats.tx_errors++;
3785 qeth_schedule_recovery(card);
3789 qeth_open(struct net_device *dev)
3791 struct qeth_card *card;
3793 QETH_DBF_TEXT(trace, 4, "qethopen");
3795 card = (struct qeth_card *) dev->priv;
3797 if (card->state != CARD_STATE_SOFTSETUP)
3800 if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3801 (card->options.layer2) &&
3802 (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3803 QETH_DBF_TEXT(trace,4,"nomacadr");
3806 card->dev->flags |= IFF_UP;
3807 netif_start_queue(dev);
3808 card->data.state = CH_STATE_UP;
3809 card->state = CARD_STATE_UP;
3811 if (!card->lan_online && netif_carrier_ok(dev))
3812 netif_carrier_off(dev);
3817 qeth_stop(struct net_device *dev)
3819 struct qeth_card *card;
3821 QETH_DBF_TEXT(trace, 4, "qethstop");
3823 card = (struct qeth_card *) dev->priv;
3825 netif_stop_queue(dev);
3826 card->dev->flags &= ~IFF_UP;
3827 if (card->state == CARD_STATE_UP)
3828 card->state = CARD_STATE_SOFTSETUP;
3833 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3835 int cast_type = RTN_UNSPEC;
3837 if (card->info.type == QETH_CARD_TYPE_OSN)
3840 if (skb->dst && skb->dst->neighbour){
3841 cast_type = skb->dst->neighbour->type;
3842 if ((cast_type == RTN_BROADCAST) ||
3843 (cast_type == RTN_MULTICAST) ||
3844 (cast_type == RTN_ANYCAST))
3849 /* try something else */
3850 if (skb->protocol == ETH_P_IPV6)
3851 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3852 else if (skb->protocol == ETH_P_IP)
3853 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3855 if (!memcmp(skb->data, skb->dev->broadcast, 6))
3856 return RTN_BROADCAST;
3860 hdr_mac = *((u16 *)skb->data);
3862 switch (card->info.link_type) {
3863 case QETH_LINK_TYPE_HSTR:
3864 case QETH_LINK_TYPE_LANE_TR:
3865 if ((hdr_mac == QETH_TR_MAC_NC) ||
3866 (hdr_mac == QETH_TR_MAC_C))
3867 return RTN_MULTICAST;
3868 /* eth or so multicast? */
3870 if ((hdr_mac == QETH_ETH_MAC_V4) ||
3871 (hdr_mac == QETH_ETH_MAC_V6))
3872 return RTN_MULTICAST;
3879 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3880 int ipv, int cast_type)
3882 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3883 return card->qdio.default_out_queue;
3884 switch (card->qdio.no_out_queues) {
3886 if (cast_type && card->info.is_multicast_different)
3887 return card->info.is_multicast_different &
3888 (card->qdio.no_out_queues - 1);
3889 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3890 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3891 if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT)
3893 if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY)
3895 if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT)
3897 if (skb->nh.iph->tos & IP_TOS_LOWDELAY)
3900 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3901 return 3 - (skb->nh.iph->tos >> 6);
3902 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3905 return card->qdio.default_out_queue;
3906 case 1: /* fallthrough for single-out-queue 1920-device */
3908 return card->qdio.default_out_queue;
3913 qeth_get_ip_version(struct sk_buff *skb)
3915 switch (skb->protocol) {
3926 qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
3927 struct qeth_hdr **hdr, int ipv)
3930 #ifdef CONFIG_QETH_VLAN
3934 QETH_DBF_TEXT(trace, 6, "prepskb");
3935 if (card->info.type == QETH_CARD_TYPE_OSN) {
3936 *hdr = (struct qeth_hdr *)(*skb)->data;
3939 rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr));
3942 #ifdef CONFIG_QETH_VLAN
3943 if (card->vlangrp && vlan_tx_tag_present(*skb) &&
3944 ((ipv == 6) || card->options.layer2) ) {
3946 * Move the mac addresses (6 bytes src, 6 bytes dest)
3947 * to the beginning of the new header. We are using three
3948 * memcpys instead of one memmove to save cycles.
3950 skb_push(*skb, VLAN_HLEN);
3951 memcpy((*skb)->data, (*skb)->data + 4, 4);
3952 memcpy((*skb)->data + 4, (*skb)->data + 8, 4);
3953 memcpy((*skb)->data + 8, (*skb)->data + 12, 4);
3954 tag = (u16 *)((*skb)->data + 12);
3956 * first two bytes = ETH_P_8021Q (0x8100)
3957 * second two bytes = VLANID
3959 *tag = __constant_htons(ETH_P_8021Q);
3960 *(tag + 1) = htons(vlan_tx_tag_get(*skb));
3963 *hdr = (struct qeth_hdr *)
3964 qeth_push_skb(card, skb, sizeof(struct qeth_hdr));
3971 qeth_get_qeth_hdr_flags4(int cast_type)
3973 if (cast_type == RTN_MULTICAST)
3974 return QETH_CAST_MULTICAST;
3975 if (cast_type == RTN_BROADCAST)
3976 return QETH_CAST_BROADCAST;
3977 return QETH_CAST_UNICAST;
3981 qeth_get_qeth_hdr_flags6(int cast_type)
3983 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3984 if (cast_type == RTN_MULTICAST)
3985 return ct | QETH_CAST_MULTICAST;
3986 if (cast_type == RTN_ANYCAST)
3987 return ct | QETH_CAST_ANYCAST;
3988 if (cast_type == RTN_BROADCAST)
3989 return ct | QETH_CAST_BROADCAST;
3990 return ct | QETH_CAST_UNICAST;
3994 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
3995 struct sk_buff *skb)
3999 if (!memcmp(skb->data+QETH_HEADER_SIZE,
4000 skb->dev->broadcast,6)) { /* broadcast? */
4001 *(__u32 *)hdr->hdr.l2.flags |=
4002 QETH_LAYER2_FLAG_BROADCAST << 8;
4005 hdr_mac=*((__u16*)skb->data);
4007 switch (card->info.link_type) {
4008 case QETH_LINK_TYPE_HSTR:
4009 case QETH_LINK_TYPE_LANE_TR:
4010 if ((hdr_mac == QETH_TR_MAC_NC) ||
4011 (hdr_mac == QETH_TR_MAC_C) )
4012 *(__u32 *)hdr->hdr.l2.flags |=
4013 QETH_LAYER2_FLAG_MULTICAST << 8;
4015 *(__u32 *)hdr->hdr.l2.flags |=
4016 QETH_LAYER2_FLAG_UNICAST << 8;
4018 /* eth or so multicast? */
4020 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
4021 (hdr_mac==QETH_ETH_MAC_V6) )
4022 *(__u32 *)hdr->hdr.l2.flags |=
4023 QETH_LAYER2_FLAG_MULTICAST << 8;
4025 *(__u32 *)hdr->hdr.l2.flags |=
4026 QETH_LAYER2_FLAG_UNICAST << 8;
4031 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4032 struct sk_buff *skb, int cast_type)
4034 memset(hdr, 0, sizeof(struct qeth_hdr));
4035 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
4037 /* set byte 0 to "0x02" and byte 3 to casting flags */
4038 if (cast_type==RTN_MULTICAST)
4039 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
4040 else if (cast_type==RTN_BROADCAST)
4041 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
4043 qeth_layer2_get_packet_type(card, hdr, skb);
4045 hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4046 #ifdef CONFIG_QETH_VLAN
4047 /* VSWITCH relies on the VLAN
4048 * information to be present in
4049 * the QDIO header */
4050 if ((card->vlangrp != NULL) &&
4051 vlan_tx_tag_present(skb)) {
4052 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4053 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4059 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4060 struct sk_buff *skb, int ipv, int cast_type)
4062 QETH_DBF_TEXT(trace, 6, "fillhdr");
4064 memset(hdr, 0, sizeof(struct qeth_hdr));
4065 if (card->options.layer2) {
4066 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4069 hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4070 hdr->hdr.l3.ext_flags = 0;
4071 #ifdef CONFIG_QETH_VLAN
4073 * before we're going to overwrite this location with next hop ip.
4074 * v6 uses passthrough, v4 sets the tag in the QDIO header.
4076 if (card->vlangrp && vlan_tx_tag_present(skb)) {
4077 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4078 QETH_HDR_EXT_VLAN_FRAME :
4079 QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4080 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4082 #endif /* CONFIG_QETH_VLAN */
4083 hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4084 if (ipv == 4) { /* IPv4 */
4085 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4086 memset(hdr->hdr.l3.dest_addr, 0, 12);
4087 if ((skb->dst) && (skb->dst->neighbour)) {
4088 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4089 *((u32 *) skb->dst->neighbour->primary_key);
4091 /* fill in destination address used in ip header */
4092 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
4094 } else if (ipv == 6) { /* IPv6 or passthru */
4095 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4096 if ((skb->dst) && (skb->dst->neighbour)) {
4097 memcpy(hdr->hdr.l3.dest_addr,
4098 skb->dst->neighbour->primary_key, 16);
4100 /* fill in destination address used in ip header */
4101 memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
4103 } else { /* passthrough */
4104 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4105 !memcmp(skb->data + sizeof(struct qeth_hdr) +
4106 sizeof(__u16), skb->dev->broadcast, 6)) {
4107 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4109 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4110 skb->dev->broadcast, 6)) { /* broadcast? */
4111 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4114 hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4115 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4116 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4122 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4123 int is_tso, int *next_element_to_fill)
4125 int length = skb->len;
4131 element = *next_element_to_fill;
4133 first_lap = (is_tso == 0 ? 1 : 0);
4135 while (length > 0) {
4136 /* length_here is the remaining amount of data in this page */
4137 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4138 if (length < length_here)
4139 length_here = length;
4141 buffer->element[element].addr = data;
4142 buffer->element[element].length = length_here;
4143 length -= length_here;
4146 buffer->element[element].flags = 0;
4148 buffer->element[element].flags =
4149 SBAL_FLAGS_LAST_FRAG;
4152 buffer->element[element].flags =
4153 SBAL_FLAGS_FIRST_FRAG;
4155 buffer->element[element].flags =
4156 SBAL_FLAGS_MIDDLE_FRAG;
4158 data += length_here;
4162 *next_element_to_fill = element;
4166 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4167 struct qeth_qdio_out_buffer *buf,
4168 struct sk_buff *skb)
4170 struct qdio_buffer *buffer;
4171 struct qeth_hdr_tso *hdr;
4172 int flush_cnt = 0, hdr_len, large_send = 0;
4174 QETH_DBF_TEXT(trace, 6, "qdfillbf");
4176 buffer = buf->buffer;
4177 atomic_inc(&skb->users);
4178 skb_queue_tail(&buf->skb_list, skb);
4180 hdr = (struct qeth_hdr_tso *) skb->data;
4181 /*check first on TSO ....*/
4182 if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4183 int element = buf->next_element_to_fill;
4185 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4186 /*fill first buffer entry only with header information */
4187 buffer->element[element].addr = skb->data;
4188 buffer->element[element].length = hdr_len;
4189 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4190 buf->next_element_to_fill++;
4191 skb->data += hdr_len;
4192 skb->len -= hdr_len;
4195 if (skb_shinfo(skb)->nr_frags == 0)
4196 __qeth_fill_buffer(skb, buffer, large_send,
4197 (int *)&buf->next_element_to_fill);
4199 __qeth_fill_buffer_frag(skb, buffer, large_send,
4200 (int *)&buf->next_element_to_fill);
4202 if (!queue->do_pack) {
4203 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4204 /* set state to PRIMED -> will be flushed */
4205 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4208 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4209 #ifdef CONFIG_QETH_PERF_STATS
4210 queue->card->perf_stats.skbs_sent_pack++;
4212 if (buf->next_element_to_fill >=
4213 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4215 * packed buffer if full -> set state PRIMED
4216 * -> will be flushed
4218 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4226 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4227 struct sk_buff *skb, struct qeth_hdr *hdr,
4228 int elements_needed,
4229 struct qeth_eddp_context *ctx)
4231 struct qeth_qdio_out_buffer *buffer;
4232 int buffers_needed = 0;
4236 QETH_DBF_TEXT(trace, 6, "dosndpfa");
4238 /* spin until we get the queue ... */
4239 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4240 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4241 /* ... now we've got the queue */
4242 index = queue->next_buf_to_fill;
4243 buffer = &queue->bufs[queue->next_buf_to_fill];
4245 * check if buffer is empty to make sure that we do not 'overtake'
4246 * ourselves and try to fill a buffer that is already primed
4248 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4249 card->stats.tx_dropped++;
4250 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4254 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4255 QDIO_MAX_BUFFERS_PER_Q;
4257 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4258 if (buffers_needed < 0) {
4259 card->stats.tx_dropped++;
4260 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4263 queue->next_buf_to_fill =
4264 (queue->next_buf_to_fill + buffers_needed) %
4265 QDIO_MAX_BUFFERS_PER_Q;
4267 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4269 qeth_fill_buffer(queue, buffer, skb);
4270 qeth_flush_buffers(queue, 0, index, 1);
4272 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4273 WARN_ON(buffers_needed != flush_cnt);
4274 qeth_flush_buffers(queue, 0, index, flush_cnt);
4280 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4281 struct sk_buff *skb, struct qeth_hdr *hdr,
4282 int elements_needed, struct qeth_eddp_context *ctx)
4284 struct qeth_qdio_out_buffer *buffer;
4286 int flush_count = 0;
4291 QETH_DBF_TEXT(trace, 6, "dosndpkt");
4293 /* spin until we get the queue ... */
4294 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4295 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4296 start_index = queue->next_buf_to_fill;
4297 buffer = &queue->bufs[queue->next_buf_to_fill];
4299 * check if buffer is empty to make sure that we do not 'overtake'
4300 * ourselves and try to fill a buffer that is already primed
4302 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){
4303 card->stats.tx_dropped++;
4304 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4307 /* check if we need to switch packing state of this queue */
4308 qeth_switch_to_packing_if_needed(queue);
4309 if (queue->do_pack){
4312 /* does packet fit in current buffer? */
4313 if((QETH_MAX_BUFFER_ELEMENTS(card) -
4314 buffer->next_element_to_fill) < elements_needed){
4315 /* ... no -> set state PRIMED */
4316 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4318 queue->next_buf_to_fill =
4319 (queue->next_buf_to_fill + 1) %
4320 QDIO_MAX_BUFFERS_PER_Q;
4321 buffer = &queue->bufs[queue->next_buf_to_fill];
4322 /* we did a step forward, so check buffer state
4324 if (atomic_read(&buffer->state) !=
4325 QETH_QDIO_BUF_EMPTY){
4326 card->stats.tx_dropped++;
4327 qeth_flush_buffers(queue, 0, start_index, flush_count);
4328 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4333 /* check if we have enough elements (including following
4334 * free buffers) to handle eddp context */
4335 if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4336 printk("eddp tx_dropped 1\n");
4337 card->stats.tx_dropped++;
4344 tmp = qeth_fill_buffer(queue, buffer, skb);
4346 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4348 printk("eddp tx_dropped 2\n");
4349 card->stats.tx_dropped++;
4354 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4355 QDIO_MAX_BUFFERS_PER_Q;
4359 qeth_flush_buffers(queue, 0, start_index, flush_count);
4360 else if (!atomic_read(&queue->set_pci_flags_count))
4361 atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
4363 * queue->state will go from LOCKED -> UNLOCKED or from
4364 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4365 * (switch packing state or flush buffer to get another pci flag out).
4366 * In that case we will enter this loop
4368 while (atomic_dec_return(&queue->state)){
4370 start_index = queue->next_buf_to_fill;
4371 /* check if we can go back to non-packing state */
4372 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4374 * check if we need to flush a packing buffer to get a pci
4375 * flag out on the queue
4377 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4378 flush_count += qeth_flush_buffers_on_no_pci(queue);
4380 qeth_flush_buffers(queue, 0, start_index, flush_count);
4382 /* at this point the queue is UNLOCKED again */
4383 #ifdef CONFIG_QETH_PERF_STATS
4385 queue->card->perf_stats.bufs_sent_pack += flush_count;
4386 #endif /* CONFIG_QETH_PERF_STATS */
4392 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4393 struct sk_buff *skb, int elems)
4395 int elements_needed = 0;
4397 if (skb_shinfo(skb)->nr_frags > 0) {
4398 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4400 if (elements_needed == 0 )
4401 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4402 + skb->len) >> PAGE_SHIFT);
4403 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4404 PRINT_ERR("qeth_do_send_packet: invalid size of "
4405 "IP packet (Number=%d / Length=%d). Discarded.\n",
4406 (elements_needed+elems), skb->len);
4409 return elements_needed;
4413 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4417 struct qeth_qdio_out_q *queue;
4418 struct qeth_hdr *hdr = NULL;
4419 int elements_needed = 0;
4420 enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4421 struct qeth_eddp_context *ctx = NULL;
4424 QETH_DBF_TEXT(trace, 6, "sendpkt");
4426 if (!card->options.layer2) {
4427 ipv = qeth_get_ip_version(skb);
4428 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4429 if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) {
4430 card->stats.tx_dropped++;
4431 dev_kfree_skb_irq(skb);
4434 if(card->dev->type == ARPHRD_IEEE802_TR){
4435 skb_pull(skb, QETH_FAKE_LL_LEN_TR);
4437 skb_pull(skb, QETH_FAKE_LL_LEN_ETH);
4441 if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4442 (skb->protocol == htons(ETH_P_IPV6))) {
4443 dev_kfree_skb_any(skb);
4446 cast_type = qeth_get_cast_type(card, skb);
4447 if ((cast_type == RTN_BROADCAST) &&
4448 (card->info.broadcast_capable == 0)){
4449 card->stats.tx_dropped++;
4450 card->stats.tx_errors++;
4451 dev_kfree_skb_any(skb);
4452 return NETDEV_TX_OK;
4454 queue = card->qdio.out_qs
4455 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4457 if (skb_shinfo(skb)->tso_size)
4458 large_send = card->options.large_send;
4460 /*are we able to do TSO ? If so ,prepare and send it from here */
4461 if ((large_send == QETH_LARGE_SEND_TSO) &&
4462 (cast_type == RTN_UNSPEC)) {
4463 rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type);
4465 card->stats.tx_dropped++;
4466 card->stats.tx_errors++;
4467 dev_kfree_skb_any(skb);
4468 return NETDEV_TX_OK;
4472 if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) {
4473 QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc);
4476 if (card->info.type != QETH_CARD_TYPE_OSN)
4477 qeth_fill_header(card, hdr, skb, ipv, cast_type);
4480 if (large_send == QETH_LARGE_SEND_EDDP) {
4481 ctx = qeth_eddp_create_context(card, skb, hdr);
4483 PRINT_WARN("could not create eddp context\n");
4487 int elems = qeth_get_elements_no(card,(void*) hdr, skb,
4491 elements_needed += elems;
4494 if (card->info.type != QETH_CARD_TYPE_IQD)
4495 rc = qeth_do_send_packet(card, queue, skb, hdr,
4496 elements_needed, ctx);
4498 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
4499 elements_needed, ctx);
4501 card->stats.tx_packets++;
4502 card->stats.tx_bytes += skb->len;
4503 #ifdef CONFIG_QETH_PERF_STATS
4504 if (skb_shinfo(skb)->tso_size &&
4505 !(large_send == QETH_LARGE_SEND_NO)) {
4506 card->perf_stats.large_send_bytes += skb->len;
4507 card->perf_stats.large_send_cnt++;
4509 if (skb_shinfo(skb)->nr_frags > 0){
4510 card->perf_stats.sg_skbs_sent++;
4511 /* nr_frags + skb->data */
4512 card->perf_stats.sg_frags_sent +=
4513 skb_shinfo(skb)->nr_frags + 1;
4515 #endif /* CONFIG_QETH_PERF_STATS */
4518 /* drop creator's reference */
4519 qeth_eddp_put_context(ctx);
4520 /* free skb; it's not referenced by a buffer */
4522 dev_kfree_skb_any(skb);
4529 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4531 struct qeth_card *card = (struct qeth_card *) dev->priv;
4535 case MII_BMCR: /* Basic mode control register */
4537 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4538 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4539 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4540 rc |= BMCR_SPEED100;
4542 case MII_BMSR: /* Basic mode status register */
4543 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4544 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4547 case MII_PHYSID1: /* PHYS ID 1 */
4548 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4550 rc = (rc >> 5) & 0xFFFF;
4552 case MII_PHYSID2: /* PHYS ID 2 */
4553 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4555 case MII_ADVERTISE: /* Advertisement control reg */
4558 case MII_LPA: /* Link partner ability reg */
4559 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4560 LPA_100BASE4 | LPA_LPACK;
4562 case MII_EXPANSION: /* Expansion register */
4564 case MII_DCOUNTER: /* disconnect counter */
4566 case MII_FCSCOUNTER: /* false carrier counter */
4568 case MII_NWAYTEST: /* N-way auto-neg test register */
4570 case MII_RERRCOUNTER: /* rx error counter */
4571 rc = card->stats.rx_errors;
4573 case MII_SREVISION: /* silicon revision */
4575 case MII_RESV1: /* reserved 1 */
4577 case MII_LBRERROR: /* loopback, rx, bypass error */
4579 case MII_PHYADDR: /* physical address */
4581 case MII_RESV2: /* reserved 2 */
4583 case MII_TPISTATUS: /* TPI status for 10mbps */
4585 case MII_NCONFIG: /* network interface config */
4595 qeth_mdio_write(struct net_device *dev, int phy_id, int regnum, int value)
4598 case MII_BMCR: /* Basic mode control register */
4599 case MII_BMSR: /* Basic mode status register */
4600 case MII_PHYSID1: /* PHYS ID 1 */
4601 case MII_PHYSID2: /* PHYS ID 2 */
4602 case MII_ADVERTISE: /* Advertisement control reg */
4603 case MII_LPA: /* Link partner ability reg */
4604 case MII_EXPANSION: /* Expansion register */
4605 case MII_DCOUNTER: /* disconnect counter */
4606 case MII_FCSCOUNTER: /* false carrier counter */
4607 case MII_NWAYTEST: /* N-way auto-neg test register */
4608 case MII_RERRCOUNTER: /* rx error counter */
4609 case MII_SREVISION: /* silicon revision */
4610 case MII_RESV1: /* reserved 1 */
4611 case MII_LBRERROR: /* loopback, rx, bypass error */
4612 case MII_PHYADDR: /* physical address */
4613 case MII_RESV2: /* reserved 2 */
4614 case MII_TPISTATUS: /* TPI status for 10mbps */
4615 case MII_NCONFIG: /* network interface config */
4621 static inline const char *
4622 qeth_arp_get_error_cause(int *rc)
4625 case QETH_IPA_ARP_RC_FAILED:
4627 return "operation failed";
4628 case QETH_IPA_ARP_RC_NOTSUPP:
4630 return "operation not supported";
4631 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4633 return "argument out of range";
4634 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4636 return "query operation not supported";
4637 case QETH_IPA_ARP_RC_Q_NO_DATA:
4639 return "no query data available";
4641 return "unknown error";
4646 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4650 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4655 QETH_DBF_TEXT(trace,3,"arpstnoe");
4658 * currently GuestLAN only supports the ARP assist function
4659 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4660 * thus we say EOPNOTSUPP for this ARP function
4662 if (card->info.guestlan)
4664 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4665 PRINT_WARN("ARP processing not supported "
4666 "on %s!\n", QETH_CARD_IFNAME(card));
4669 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4670 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4674 PRINT_WARN("Could not set number of ARP entries on %s: "
4676 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4683 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4684 struct qeth_arp_query_data *qdata,
4685 int entry_size, int uentry_size)
4691 entry_ptr = (char *)&qdata->data;
4692 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4693 for (i = 0; i < qdata->no_entries; ++i){
4694 /* strip off 32 bytes "media specific information" */
4695 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4696 entry_ptr += entry_size;
4697 uentry_ptr += uentry_size;
4702 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4705 struct qeth_ipa_cmd *cmd;
4706 struct qeth_arp_query_data *qdata;
4707 struct qeth_arp_query_info *qinfo;
4712 QETH_DBF_TEXT(trace,4,"arpquecb");
4714 qinfo = (struct qeth_arp_query_info *) reply->param;
4715 cmd = (struct qeth_ipa_cmd *) data;
4716 if (cmd->hdr.return_code) {
4717 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4720 if (cmd->data.setassparms.hdr.return_code) {
4721 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4722 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4725 qdata = &cmd->data.setassparms.data.query_arp;
4726 switch(qdata->reply_bits){
4728 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4729 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4730 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4733 /* fall through to default */
4735 /* tr is the same as eth -> entry7 */
4736 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4737 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4738 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4741 /* check if there is enough room in userspace */
4742 if ((qinfo->udata_len - qinfo->udata_offset) <
4743 qdata->no_entries * uentry_size){
4744 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4745 cmd->hdr.return_code = -ENOMEM;
4746 PRINT_WARN("query ARP user space buffer is too small for "
4747 "the returned number of ARP entries. "
4748 "Aborting query!\n");
4751 QETH_DBF_TEXT_(trace, 4, "anore%i",
4752 cmd->data.setassparms.hdr.number_of_replies);
4753 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4754 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4756 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4757 /* strip off "media specific information" */
4758 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4761 /*copy entries to user buffer*/
4762 memcpy(qinfo->udata + qinfo->udata_offset,
4763 (char *)&qdata->data, qdata->no_entries*uentry_size);
4765 qinfo->no_entries += qdata->no_entries;
4766 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4767 /* check if all replies received ... */
4768 if (cmd->data.setassparms.hdr.seq_no <
4769 cmd->data.setassparms.hdr.number_of_replies)
4771 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4772 /* keep STRIP_ENTRIES flag so the user program can distinguish
4773 * stripped entries from normal ones */
4774 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4775 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4776 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4780 memcpy(qinfo->udata, &i, 4);
4785 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4786 int len, int (*reply_cb)(struct qeth_card *,
4787 struct qeth_reply *,
4791 QETH_DBF_TEXT(trace,4,"sendarp");
4793 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4794 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4795 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4796 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4797 reply_cb, reply_param);
4801 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4802 int len, int (*reply_cb)(struct qeth_card *,
4803 struct qeth_reply *,
4809 QETH_DBF_TEXT(trace,4,"sendsnmp");
4811 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4812 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4813 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4814 /* adjust PDU length fields in IPA_PDU_HEADER */
4815 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4817 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4818 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4819 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4820 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4821 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4822 reply_cb, reply_param);
4825 static struct qeth_cmd_buffer *
4826 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4827 __u16, __u16, enum qeth_prot_versions);
4829 qeth_arp_query(struct qeth_card *card, char *udata)
4831 struct qeth_cmd_buffer *iob;
4832 struct qeth_arp_query_info qinfo = {0, };
4836 QETH_DBF_TEXT(trace,3,"arpquery");
4838 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4839 IPA_ARP_PROCESSING)) {
4840 PRINT_WARN("ARP processing not supported "
4841 "on %s!\n", QETH_CARD_IFNAME(card));
4844 /* get size of userspace buffer and mask_bits -> 6 bytes */
4845 if (copy_from_user(&qinfo, udata, 6))
4847 if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL)))
4849 memset(qinfo.udata, 0, qinfo.udata_len);
4850 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4851 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4852 IPA_CMD_ASS_ARP_QUERY_INFO,
4853 sizeof(int),QETH_PROT_IPV4);
4855 rc = qeth_send_ipa_arp_cmd(card, iob,
4856 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4857 qeth_arp_query_cb, (void *)&qinfo);
4860 PRINT_WARN("Error while querying ARP cache on %s: %s "
4862 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4864 copy_to_user(udata, qinfo.udata, 4);
4866 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4873 * SNMP command callback
4876 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4877 unsigned long sdata)
4879 struct qeth_ipa_cmd *cmd;
4880 struct qeth_arp_query_info *qinfo;
4881 struct qeth_snmp_cmd *snmp;
4882 unsigned char *data;
4885 QETH_DBF_TEXT(trace,3,"snpcmdcb");
4887 cmd = (struct qeth_ipa_cmd *) sdata;
4888 data = (unsigned char *)((char *)cmd - reply->offset);
4889 qinfo = (struct qeth_arp_query_info *) reply->param;
4890 snmp = &cmd->data.setadapterparms.data.snmp;
4892 if (cmd->hdr.return_code) {
4893 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4896 if (cmd->data.setadapterparms.hdr.return_code) {
4897 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4898 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4901 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4902 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4903 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4905 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4907 /* check if there is enough room in userspace */
4908 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4909 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4910 cmd->hdr.return_code = -ENOMEM;
4913 QETH_DBF_TEXT_(trace, 4, "snore%i",
4914 cmd->data.setadapterparms.hdr.used_total);
4915 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4916 /*copy entries to user buffer*/
4917 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4918 memcpy(qinfo->udata + qinfo->udata_offset,
4920 data_len + offsetof(struct qeth_snmp_cmd,data));
4921 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4923 memcpy(qinfo->udata + qinfo->udata_offset,
4924 (char *)&snmp->request, data_len);
4926 qinfo->udata_offset += data_len;
4927 /* check if all replies received ... */
4928 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4929 cmd->data.setadapterparms.hdr.used_total);
4930 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4931 cmd->data.setadapterparms.hdr.seq_no);
4932 if (cmd->data.setadapterparms.hdr.seq_no <
4933 cmd->data.setadapterparms.hdr.used_total)
4938 static struct qeth_cmd_buffer *
4939 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4940 enum qeth_prot_versions );
4942 static struct qeth_cmd_buffer *
4943 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4945 struct qeth_cmd_buffer *iob;
4946 struct qeth_ipa_cmd *cmd;
4948 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4950 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4951 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4952 cmd->data.setadapterparms.hdr.command_code = command;
4953 cmd->data.setadapterparms.hdr.used_total = 1;
4954 cmd->data.setadapterparms.hdr.seq_no = 1;
4960 * function to send SNMP commands to OSA-E card
4963 qeth_snmp_command(struct qeth_card *card, char *udata)
4965 struct qeth_cmd_buffer *iob;
4966 struct qeth_ipa_cmd *cmd;
4967 struct qeth_snmp_ureq *ureq;
4969 struct qeth_arp_query_info qinfo = {0, };
4972 QETH_DBF_TEXT(trace,3,"snmpcmd");
4974 if (card->info.guestlan)
4977 if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4978 (!card->options.layer2) ) {
4979 PRINT_WARN("SNMP Query MIBS not supported "
4980 "on %s!\n", QETH_CARD_IFNAME(card));
4983 /* skip 4 bytes (data_len struct member) to get req_len */
4984 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4986 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4988 QETH_DBF_TEXT(trace, 2, "snmpnome");
4991 if (copy_from_user(ureq, udata,
4992 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4996 qinfo.udata_len = ureq->hdr.data_len;
4997 if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){
5001 memset(qinfo.udata, 0, qinfo.udata_len);
5002 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
5004 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
5005 QETH_SNMP_SETADP_CMDLENGTH + req_len);
5006 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5007 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
5008 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
5009 qeth_snmp_command_cb, (void *)&qinfo);
5011 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
5012 QETH_CARD_IFNAME(card), rc);
5014 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
5022 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
5026 qeth_default_setadapterparms_cb(struct qeth_card *card,
5027 struct qeth_reply *reply,
5028 unsigned long data);
5030 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5033 (struct qeth_card *, struct qeth_reply *, unsigned long),
5037 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5039 struct qeth_cmd_buffer *iob;
5044 QETH_DBF_TEXT(trace,3,"arpadent");
5047 * currently GuestLAN only supports the ARP assist function
5048 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5049 * thus we say EOPNOTSUPP for this ARP function
5051 if (card->info.guestlan)
5053 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5054 PRINT_WARN("ARP processing not supported "
5055 "on %s!\n", QETH_CARD_IFNAME(card));
5059 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5060 IPA_CMD_ASS_ARP_ADD_ENTRY,
5061 sizeof(struct qeth_arp_cache_entry),
5063 rc = qeth_send_setassparms(card, iob,
5064 sizeof(struct qeth_arp_cache_entry),
5065 (unsigned long) entry,
5066 qeth_default_setassparms_cb, NULL);
5069 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5070 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5072 buf, QETH_CARD_IFNAME(card),
5073 qeth_arp_get_error_cause(&rc), tmp, tmp);
5079 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5081 struct qeth_cmd_buffer *iob;
5082 char buf[16] = {0, };
5086 QETH_DBF_TEXT(trace,3,"arprment");
5089 * currently GuestLAN only supports the ARP assist function
5090 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5091 * thus we say EOPNOTSUPP for this ARP function
5093 if (card->info.guestlan)
5095 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5096 PRINT_WARN("ARP processing not supported "
5097 "on %s!\n", QETH_CARD_IFNAME(card));
5100 memcpy(buf, entry, 12);
5101 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5102 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5105 rc = qeth_send_setassparms(card, iob,
5106 12, (unsigned long)buf,
5107 qeth_default_setassparms_cb, NULL);
5111 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5112 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5114 buf, QETH_CARD_IFNAME(card),
5115 qeth_arp_get_error_cause(&rc), tmp, tmp);
5121 qeth_arp_flush_cache(struct qeth_card *card)
5126 QETH_DBF_TEXT(trace,3,"arpflush");
5129 * currently GuestLAN only supports the ARP assist function
5130 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5131 * thus we say EOPNOTSUPP for this ARP function
5133 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5135 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5136 PRINT_WARN("ARP processing not supported "
5137 "on %s!\n", QETH_CARD_IFNAME(card));
5140 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5141 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5144 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5145 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5152 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5154 struct qeth_card *card = (struct qeth_card *)dev->priv;
5155 struct qeth_arp_cache_entry arp_entry;
5156 struct mii_ioctl_data *mii_data;
5162 if ((card->state != CARD_STATE_UP) &&
5163 (card->state != CARD_STATE_SOFTSETUP))
5166 if (card->info.type == QETH_CARD_TYPE_OSN)
5170 case SIOC_QETH_ARP_SET_NO_ENTRIES:
5171 if ( !capable(CAP_NET_ADMIN) ||
5172 (card->options.layer2) ) {
5176 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5178 case SIOC_QETH_ARP_QUERY_INFO:
5179 if ( !capable(CAP_NET_ADMIN) ||
5180 (card->options.layer2) ) {
5184 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5186 case SIOC_QETH_ARP_ADD_ENTRY:
5187 if ( !capable(CAP_NET_ADMIN) ||
5188 (card->options.layer2) ) {
5192 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5193 sizeof(struct qeth_arp_cache_entry)))
5196 rc = qeth_arp_add_entry(card, &arp_entry);
5198 case SIOC_QETH_ARP_REMOVE_ENTRY:
5199 if ( !capable(CAP_NET_ADMIN) ||
5200 (card->options.layer2) ) {
5204 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5205 sizeof(struct qeth_arp_cache_entry)))
5208 rc = qeth_arp_remove_entry(card, &arp_entry);
5210 case SIOC_QETH_ARP_FLUSH_CACHE:
5211 if ( !capable(CAP_NET_ADMIN) ||
5212 (card->options.layer2) ) {
5216 rc = qeth_arp_flush_cache(card);
5218 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5219 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5221 case SIOC_QETH_GET_CARD_TYPE:
5222 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5223 !card->info.guestlan)
5228 mii_data = if_mii(rq);
5229 mii_data->phy_id = 0;
5232 mii_data = if_mii(rq);
5233 if (mii_data->phy_id != 0)
5236 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5242 /* TODO: remove return if qeth_mdio_write does something */
5243 if (!capable(CAP_NET_ADMIN)){
5247 mii_data = if_mii(rq);
5248 if (mii_data->phy_id != 0)
5251 qeth_mdio_write(dev, mii_data->phy_id, mii_data->reg_num,
5258 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5262 static struct net_device_stats *
5263 qeth_get_stats(struct net_device *dev)
5265 struct qeth_card *card;
5267 card = (struct qeth_card *) (dev->priv);
5269 QETH_DBF_TEXT(trace,5,"getstat");
5271 return &card->stats;
5275 qeth_change_mtu(struct net_device *dev, int new_mtu)
5277 struct qeth_card *card;
5280 card = (struct qeth_card *) (dev->priv);
5282 QETH_DBF_TEXT(trace,4,"chgmtu");
5283 sprintf(dbf_text, "%8x", new_mtu);
5284 QETH_DBF_TEXT(trace,4,dbf_text);
5288 if (new_mtu > 65535)
5290 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5291 (!qeth_mtu_is_valid(card, new_mtu)))
5297 #ifdef CONFIG_QETH_VLAN
5299 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5301 struct qeth_card *card;
5302 unsigned long flags;
5304 QETH_DBF_TEXT(trace,4,"vlanreg");
5306 card = (struct qeth_card *) dev->priv;
5307 spin_lock_irqsave(&card->vlanlock, flags);
5308 card->vlangrp = grp;
5309 spin_unlock_irqrestore(&card->vlanlock, flags);
5313 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5317 struct sk_buff *skb;
5318 struct sk_buff_head tmp_list;
5320 skb_queue_head_init(&tmp_list);
5321 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5322 while ((skb = skb_dequeue(&buf->skb_list))){
5323 if (vlan_tx_tag_present(skb) &&
5324 (vlan_tx_tag_get(skb) == vid)) {
5325 atomic_dec(&skb->users);
5328 skb_queue_tail(&tmp_list, skb);
5331 while ((skb = skb_dequeue(&tmp_list)))
5332 skb_queue_tail(&buf->skb_list, skb);
5336 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5340 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5341 for (i = 0; i < card->qdio.no_out_queues; ++i){
5342 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5343 qeth_free_vlan_buffer(card, &card->qdio.
5344 out_qs[i]->bufs[j], vid);
5349 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5351 struct in_device *in_dev;
5352 struct in_ifaddr *ifa;
5353 struct qeth_ipaddr *addr;
5355 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5358 in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
5361 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5362 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5364 addr->u.a4.addr = ifa->ifa_address;
5365 addr->u.a4.mask = ifa->ifa_mask;
5366 addr->type = QETH_IP_TYPE_NORMAL;
5367 if (!qeth_delete_ip(card, addr))
5376 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5378 #ifdef CONFIG_QETH_IPV6
5379 struct inet6_dev *in6_dev;
5380 struct inet6_ifaddr *ifa;
5381 struct qeth_ipaddr *addr;
5383 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5385 in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
5388 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5389 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5391 memcpy(&addr->u.a6.addr, &ifa->addr,
5392 sizeof(struct in6_addr));
5393 addr->u.a6.pfxlen = ifa->prefix_len;
5394 addr->type = QETH_IP_TYPE_NORMAL;
5395 if (!qeth_delete_ip(card, addr))
5399 in6_dev_put(in6_dev);
5400 #endif /* CONFIG_QETH_IPV6 */
5404 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5406 if (card->options.layer2 || !card->vlangrp)
5408 qeth_free_vlan_addresses4(card, vid);
5409 qeth_free_vlan_addresses6(card, vid);
5413 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5414 struct qeth_reply *reply,
5417 struct qeth_ipa_cmd *cmd;
5419 QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5420 cmd = (struct qeth_ipa_cmd *) data;
5421 if (cmd->hdr.return_code) {
5422 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5423 "Continuing\n",cmd->data.setdelvlan.vlan_id,
5424 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5425 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5426 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5427 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5433 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5434 enum qeth_ipa_cmds ipacmd)
5436 struct qeth_ipa_cmd *cmd;
5437 struct qeth_cmd_buffer *iob;
5439 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5440 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5441 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5442 cmd->data.setdelvlan.vlan_id = i;
5443 return qeth_send_ipa_cmd(card, iob,
5444 qeth_layer2_send_setdelvlan_cb, NULL);
5448 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5452 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5456 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5457 if (card->vlangrp->vlan_devices[i] == NULL)
5460 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5462 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5466 /*add_vid is layer 2 used only ....*/
5468 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5470 struct qeth_card *card;
5472 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5474 card = (struct qeth_card *) dev->priv;
5475 if (!card->options.layer2)
5477 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5480 /*... kill_vid used for both modes*/
5482 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5484 struct qeth_card *card;
5485 unsigned long flags;
5487 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5489 card = (struct qeth_card *) dev->priv;
5490 /* free all skbs for the vlan device */
5491 qeth_free_vlan_skbs(card, vid);
5492 spin_lock_irqsave(&card->vlanlock, flags);
5493 /* unregister IP addresses of vlan device */
5494 qeth_free_vlan_addresses(card, vid);
5496 card->vlangrp->vlan_devices[vid] = NULL;
5497 spin_unlock_irqrestore(&card->vlanlock, flags);
5498 if (card->options.layer2)
5499 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5500 qeth_set_multicast_list(card->dev);
5504 * Examine hardware response to SET_PROMISC_MODE
5507 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5508 struct qeth_reply *reply,
5511 struct qeth_ipa_cmd *cmd;
5512 struct qeth_ipacmd_setadpparms *setparms;
5514 QETH_DBF_TEXT(trace,4,"prmadpcb");
5516 cmd = (struct qeth_ipa_cmd *) data;
5517 setparms = &(cmd->data.setadapterparms);
5519 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5520 if (cmd->hdr.return_code) {
5521 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5522 setparms->data.mode = SET_PROMISC_MODE_OFF;
5524 card->info.promisc_mode = setparms->data.mode;
5528 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5531 qeth_setadp_promisc_mode(struct qeth_card *card)
5533 enum qeth_ipa_promisc_modes mode;
5534 struct net_device *dev = card->dev;
5535 struct qeth_cmd_buffer *iob;
5536 struct qeth_ipa_cmd *cmd;
5538 QETH_DBF_TEXT(trace, 4, "setprom");
5540 if (((dev->flags & IFF_PROMISC) &&
5541 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5542 (!(dev->flags & IFF_PROMISC) &&
5543 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5545 mode = SET_PROMISC_MODE_OFF;
5546 if (dev->flags & IFF_PROMISC)
5547 mode = SET_PROMISC_MODE_ON;
5548 QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5550 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5551 sizeof(struct qeth_ipacmd_setadpparms));
5552 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5553 cmd->data.setadapterparms.data.mode = mode;
5554 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5558 * set multicast address on card
5561 qeth_set_multicast_list(struct net_device *dev)
5563 struct qeth_card *card = (struct qeth_card *) dev->priv;
5565 if (card->info.type == QETH_CARD_TYPE_OSN)
5568 QETH_DBF_TEXT(trace, 3, "setmulti");
5569 qeth_delete_mc_addresses(card);
5570 if (card->options.layer2) {
5571 qeth_layer2_add_multicast(card);
5574 qeth_add_multicast_ipv4(card);
5575 #ifdef CONFIG_QETH_IPV6
5576 qeth_add_multicast_ipv6(card);
5579 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5580 schedule_work(&card->kernel_thread_starter);
5581 if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5583 if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
5584 schedule_work(&card->kernel_thread_starter);
5588 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5594 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5596 if (dev->type == ARPHRD_IEEE802_TR)
5597 ip_tr_mc_map(ipm, mac);
5599 ip_eth_mc_map(ipm, mac);
5602 static struct qeth_ipaddr *
5603 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5605 struct qeth_ipaddr *addr;
5607 addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5609 PRINT_WARN("Not enough memory to add address\n");
5612 memset(addr,0,sizeof(struct qeth_ipaddr));
5613 addr->type = QETH_IP_TYPE_NORMAL;
5619 qeth_osn_assist(struct net_device *dev,
5623 struct qeth_cmd_buffer *iob;
5624 struct qeth_card *card;
5627 QETH_DBF_TEXT(trace, 2, "osnsdmc");
5630 card = (struct qeth_card *)dev->priv;
5633 if ((card->state != CARD_STATE_UP) &&
5634 (card->state != CARD_STATE_SOFTSETUP))
5636 iob = qeth_wait_for_buffer(&card->write);
5637 memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5638 rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5642 static struct net_device *
5643 qeth_netdev_by_devno(unsigned char *read_dev_no)
5645 struct qeth_card *card;
5646 struct net_device *ndev;
5647 unsigned char *readno;
5648 __u16 temp_dev_no, card_dev_no;
5650 unsigned long flags;
5653 memcpy(&temp_dev_no, read_dev_no, 2);
5654 read_lock_irqsave(&qeth_card_list.rwlock, flags);
5655 list_for_each_entry(card, &qeth_card_list.list, list) {
5656 readno = CARD_RDEV_ID(card);
5657 readno += (strlen(readno) - 4);
5658 card_dev_no = simple_strtoul(readno, &endp, 16);
5659 if (card_dev_no == temp_dev_no) {
5664 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5669 qeth_osn_register(unsigned char *read_dev_no,
5670 struct net_device **dev,
5671 int (*assist_cb)(struct net_device *, void *),
5672 int (*data_cb)(struct sk_buff *))
5674 struct qeth_card * card;
5676 QETH_DBF_TEXT(trace, 2, "osnreg");
5677 *dev = qeth_netdev_by_devno(read_dev_no);
5680 card = (struct qeth_card *)(*dev)->priv;
5683 if ((assist_cb == NULL) || (data_cb == NULL))
5685 card->osn_info.assist_cb = assist_cb;
5686 card->osn_info.data_cb = data_cb;
5691 qeth_osn_deregister(struct net_device * dev)
5693 struct qeth_card *card;
5695 QETH_DBF_TEXT(trace, 2, "osndereg");
5698 card = (struct qeth_card *)dev->priv;
5701 card->osn_info.assist_cb = NULL;
5702 card->osn_info.data_cb = NULL;
5707 qeth_delete_mc_addresses(struct qeth_card *card)
5709 struct qeth_ipaddr *iptodo;
5710 unsigned long flags;
5712 QETH_DBF_TEXT(trace,4,"delmc");
5713 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5715 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5718 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5719 spin_lock_irqsave(&card->ip_lock, flags);
5720 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5722 spin_unlock_irqrestore(&card->ip_lock, flags);
5726 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5728 struct qeth_ipaddr *ipm;
5729 struct ip_mc_list *im4;
5730 char buf[MAX_ADDR_LEN];
5732 QETH_DBF_TEXT(trace,4,"addmc");
5733 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5734 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5735 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5738 ipm->u.a4.addr = im4->multiaddr;
5739 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5740 ipm->is_multicast = 1;
5741 if (!qeth_add_ip(card,ipm))
5747 qeth_add_vlan_mc(struct qeth_card *card)
5749 #ifdef CONFIG_QETH_VLAN
5750 struct in_device *in_dev;
5751 struct vlan_group *vg;
5754 QETH_DBF_TEXT(trace,4,"addmcvl");
5755 if ( ((card->options.layer2 == 0) &&
5756 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5757 (card->vlangrp == NULL) )
5761 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5762 if (vg->vlan_devices[i] == NULL ||
5763 !(vg->vlan_devices[i]->flags & IFF_UP))
5765 in_dev = in_dev_get(vg->vlan_devices[i]);
5768 read_lock(&in_dev->mc_list_lock);
5769 qeth_add_mc(card,in_dev);
5770 read_unlock(&in_dev->mc_list_lock);
5777 qeth_add_multicast_ipv4(struct qeth_card *card)
5779 struct in_device *in4_dev;
5781 QETH_DBF_TEXT(trace,4,"chkmcv4");
5782 in4_dev = in_dev_get(card->dev);
5783 if (in4_dev == NULL)
5785 read_lock(&in4_dev->mc_list_lock);
5786 qeth_add_mc(card, in4_dev);
5787 qeth_add_vlan_mc(card);
5788 read_unlock(&in4_dev->mc_list_lock);
5789 in_dev_put(in4_dev);
5793 qeth_layer2_add_multicast(struct qeth_card *card)
5795 struct qeth_ipaddr *ipm;
5796 struct dev_mc_list *dm;
5798 QETH_DBF_TEXT(trace,4,"L2addmc");
5799 for (dm = card->dev->mc_list; dm; dm = dm->next) {
5800 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5803 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5804 ipm->is_multicast = 1;
5805 if (!qeth_add_ip(card, ipm))
5810 #ifdef CONFIG_QETH_IPV6
5812 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5814 struct qeth_ipaddr *ipm;
5815 struct ifmcaddr6 *im6;
5816 char buf[MAX_ADDR_LEN];
5818 QETH_DBF_TEXT(trace,4,"addmc6");
5819 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5820 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5821 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5824 ipm->is_multicast = 1;
5825 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5826 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5827 sizeof(struct in6_addr));
5828 if (!qeth_add_ip(card,ipm))
5834 qeth_add_vlan_mc6(struct qeth_card *card)
5836 #ifdef CONFIG_QETH_VLAN
5837 struct inet6_dev *in_dev;
5838 struct vlan_group *vg;
5841 QETH_DBF_TEXT(trace,4,"admc6vl");
5842 if ( ((card->options.layer2 == 0) &&
5843 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5844 (card->vlangrp == NULL))
5848 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5849 if (vg->vlan_devices[i] == NULL ||
5850 !(vg->vlan_devices[i]->flags & IFF_UP))
5852 in_dev = in6_dev_get(vg->vlan_devices[i]);
5855 read_lock(&in_dev->lock);
5856 qeth_add_mc6(card,in_dev);
5857 read_unlock(&in_dev->lock);
5858 in6_dev_put(in_dev);
5860 #endif /* CONFIG_QETH_VLAN */
5864 qeth_add_multicast_ipv6(struct qeth_card *card)
5866 struct inet6_dev *in6_dev;
5868 QETH_DBF_TEXT(trace,4,"chkmcv6");
5869 if (!qeth_is_supported(card, IPA_IPV6))
5871 in6_dev = in6_dev_get(card->dev);
5872 if (in6_dev == NULL)
5874 read_lock(&in6_dev->lock);
5875 qeth_add_mc6(card, in6_dev);
5876 qeth_add_vlan_mc6(card);
5877 read_unlock(&in6_dev->lock);
5878 in6_dev_put(in6_dev);
5880 #endif /* CONFIG_QETH_IPV6 */
5883 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5884 enum qeth_ipa_cmds ipacmd,
5885 int (*reply_cb) (struct qeth_card *,
5889 struct qeth_ipa_cmd *cmd;
5890 struct qeth_cmd_buffer *iob;
5892 QETH_DBF_TEXT(trace, 2, "L2sdmac");
5893 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5894 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5895 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5896 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5897 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5901 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5902 struct qeth_reply *reply,
5905 struct qeth_ipa_cmd *cmd;
5908 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5909 cmd = (struct qeth_ipa_cmd *) data;
5910 mac = &cmd->data.setdelmac.mac[0];
5911 /* MAC already registered, needed in couple/uncouple case */
5912 if (cmd->hdr.return_code == 0x2005) {
5913 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5914 "already existing on %s \n",
5915 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5916 QETH_CARD_IFNAME(card));
5917 cmd->hdr.return_code = 0;
5919 if (cmd->hdr.return_code)
5920 PRINT_ERR("Could not set group MAC " \
5921 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5922 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5923 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5928 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5930 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5931 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5932 qeth_layer2_send_setgroupmac_cb);
5936 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5937 struct qeth_reply *reply,
5940 struct qeth_ipa_cmd *cmd;
5943 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5944 cmd = (struct qeth_ipa_cmd *) data;
5945 mac = &cmd->data.setdelmac.mac[0];
5946 if (cmd->hdr.return_code)
5947 PRINT_ERR("Could not delete group MAC " \
5948 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5949 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5950 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5955 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5957 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5958 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5959 qeth_layer2_send_delgroupmac_cb);
5963 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5964 struct qeth_reply *reply,
5967 struct qeth_ipa_cmd *cmd;
5969 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5970 cmd = (struct qeth_ipa_cmd *) data;
5971 if (cmd->hdr.return_code) {
5972 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5973 PRINT_WARN("Error in registering MAC address on " \
5974 "device %s: x%x\n", CARD_BUS_ID(card),
5975 cmd->hdr.return_code);
5976 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5977 cmd->hdr.return_code = -EIO;
5979 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5980 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5982 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5983 "successfully registered on device %s\n",
5984 card->dev->dev_addr[0], card->dev->dev_addr[1],
5985 card->dev->dev_addr[2], card->dev->dev_addr[3],
5986 card->dev->dev_addr[4], card->dev->dev_addr[5],
5993 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5995 QETH_DBF_TEXT(trace, 2, "L2Setmac");
5996 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5997 qeth_layer2_send_setmac_cb);
6001 qeth_layer2_send_delmac_cb(struct qeth_card *card,
6002 struct qeth_reply *reply,
6005 struct qeth_ipa_cmd *cmd;
6007 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
6008 cmd = (struct qeth_ipa_cmd *) data;
6009 if (cmd->hdr.return_code) {
6010 PRINT_WARN("Error in deregistering MAC address on " \
6011 "device %s: x%x\n", CARD_BUS_ID(card),
6012 cmd->hdr.return_code);
6013 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
6014 cmd->hdr.return_code = -EIO;
6017 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
6022 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
6024 QETH_DBF_TEXT(trace, 2, "L2Delmac");
6025 if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
6027 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
6028 qeth_layer2_send_delmac_cb);
6032 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
6034 struct sockaddr *addr = p;
6035 struct qeth_card *card;
6038 QETH_DBF_TEXT(trace, 3, "setmac");
6040 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
6041 QETH_DBF_TEXT(trace, 3, "setmcINV");
6044 card = (struct qeth_card *) dev->priv;
6046 if (!card->options.layer2) {
6047 PRINT_WARN("Setting MAC address on %s is not supported "
6048 "in Layer 3 mode.\n", dev->name);
6049 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6052 if (card->info.type == QETH_CARD_TYPE_OSN) {
6053 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6055 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6058 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6059 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6060 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6062 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6067 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6068 __u8 command, enum qeth_prot_versions prot)
6070 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6071 cmd->hdr.command = command;
6072 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6073 cmd->hdr.seqno = card->seqno.ipa;
6074 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6075 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6076 if (card->options.layer2)
6077 cmd->hdr.prim_version_no = 2;
6079 cmd->hdr.prim_version_no = 1;
6080 cmd->hdr.param_count = 1;
6081 cmd->hdr.prot_version = prot;
6082 cmd->hdr.ipa_supported = 0;
6083 cmd->hdr.ipa_enabled = 0;
6086 static struct qeth_cmd_buffer *
6087 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6088 enum qeth_prot_versions prot)
6090 struct qeth_cmd_buffer *iob;
6091 struct qeth_ipa_cmd *cmd;
6093 iob = qeth_wait_for_buffer(&card->write);
6094 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6095 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6101 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6104 struct qeth_cmd_buffer *iob;
6105 struct qeth_ipa_cmd *cmd;
6107 QETH_DBF_TEXT(trace,4,"setdelmc");
6109 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6110 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6111 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6112 if (addr->proto == QETH_PROT_IPV6)
6113 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6114 sizeof(struct in6_addr));
6116 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6118 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6123 qeth_fill_netmask(u8 *netmask, unsigned int len)
6126 for (i=0;i<16;i++) {
6131 netmask[i] = (u8)(0xFF00>>j);
6138 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6139 int ipacmd, unsigned int flags)
6142 struct qeth_cmd_buffer *iob;
6143 struct qeth_ipa_cmd *cmd;
6146 QETH_DBF_TEXT(trace,4,"setdelip");
6147 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6149 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6150 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6151 if (addr->proto == QETH_PROT_IPV6) {
6152 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6153 sizeof(struct in6_addr));
6154 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6155 memcpy(cmd->data.setdelip6.mask, netmask,
6156 sizeof(struct in6_addr));
6157 cmd->data.setdelip6.flags = flags;
6159 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6160 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6161 cmd->data.setdelip4.flags = flags;
6164 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6170 qeth_layer2_register_addr_entry(struct qeth_card *card,
6171 struct qeth_ipaddr *addr)
6173 if (!addr->is_multicast)
6175 QETH_DBF_TEXT(trace, 2, "setgmac");
6176 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6177 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6181 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6182 struct qeth_ipaddr *addr)
6184 if (!addr->is_multicast)
6186 QETH_DBF_TEXT(trace, 2, "delgmac");
6187 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6188 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6192 qeth_layer3_register_addr_entry(struct qeth_card *card,
6193 struct qeth_ipaddr *addr)
6199 if (addr->proto == QETH_PROT_IPV4) {
6200 QETH_DBF_TEXT(trace, 2,"setaddr4");
6201 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6202 } else if (addr->proto == QETH_PROT_IPV6) {
6203 QETH_DBF_TEXT(trace, 2, "setaddr6");
6204 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6205 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6207 QETH_DBF_TEXT(trace, 2, "setaddr?");
6208 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6211 if (addr->is_multicast)
6212 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6214 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6217 QETH_DBF_TEXT(trace, 2, "failed");
6218 } while ((--cnt > 0) && rc);
6220 QETH_DBF_TEXT(trace, 2, "FAILED");
6221 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6222 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6229 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6230 struct qeth_ipaddr *addr)
6235 if (addr->proto == QETH_PROT_IPV4) {
6236 QETH_DBF_TEXT(trace, 2,"deladdr4");
6237 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6238 } else if (addr->proto == QETH_PROT_IPV6) {
6239 QETH_DBF_TEXT(trace, 2, "deladdr6");
6240 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6241 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6243 QETH_DBF_TEXT(trace, 2, "deladdr?");
6244 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6246 if (addr->is_multicast)
6247 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6249 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6252 QETH_DBF_TEXT(trace, 2, "failed");
6253 /* TODO: re-activate this warning as soon as we have a
6255 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6256 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6264 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6266 if (card->options.layer2)
6267 return qeth_layer2_register_addr_entry(card, addr);
6269 return qeth_layer3_register_addr_entry(card, addr);
6273 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6275 if (card->options.layer2)
6276 return qeth_layer2_deregister_addr_entry(card, addr);
6278 return qeth_layer3_deregister_addr_entry(card, addr);
6282 qeth_ethtool_get_tx_csum(struct net_device *dev)
6284 /* We may need to say that we support tx csum offload if
6285 * we do EDDP or TSO. There are discussions going on to
6286 * enforce rules in the stack and in ethtool that make
6287 * SG and TSO depend on HW_CSUM. At the moment there are
6289 * If we say yes here, we have to checksum outbound packets
6295 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6301 qeth_ethtool_get_rx_csum(struct net_device *dev)
6303 struct qeth_card *card = (struct qeth_card *)dev->priv;
6305 return (card->options.checksum_type == HW_CHECKSUMMING);
6309 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6311 struct qeth_card *card = (struct qeth_card *)dev->priv;
6313 if ((card->state != CARD_STATE_DOWN) &&
6314 (card->state != CARD_STATE_RECOVER))
6317 card->options.checksum_type = HW_CHECKSUMMING;
6319 card->options.checksum_type = SW_CHECKSUMMING;
6324 qeth_ethtool_get_sg(struct net_device *dev)
6326 struct qeth_card *card = (struct qeth_card *)dev->priv;
6328 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6329 (dev->features & NETIF_F_SG));
6333 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6335 struct qeth_card *card = (struct qeth_card *)dev->priv;
6338 if (card->options.large_send != QETH_LARGE_SEND_NO)
6339 dev->features |= NETIF_F_SG;
6341 dev->features &= ~NETIF_F_SG;
6345 dev->features &= ~NETIF_F_SG;
6350 qeth_ethtool_get_tso(struct net_device *dev)
6352 struct qeth_card *card = (struct qeth_card *)dev->priv;
6354 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6355 (dev->features & NETIF_F_TSO));
6359 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6361 struct qeth_card *card = (struct qeth_card *)dev->priv;
6364 if (card->options.large_send != QETH_LARGE_SEND_NO)
6365 dev->features |= NETIF_F_TSO;
6367 dev->features &= ~NETIF_F_TSO;
6371 dev->features &= ~NETIF_F_TSO;
6375 static struct ethtool_ops qeth_ethtool_ops = {
6376 .get_tx_csum = qeth_ethtool_get_tx_csum,
6377 .set_tx_csum = qeth_ethtool_set_tx_csum,
6378 .get_rx_csum = qeth_ethtool_get_rx_csum,
6379 .set_rx_csum = qeth_ethtool_set_rx_csum,
6380 .get_sg = qeth_ethtool_get_sg,
6381 .set_sg = qeth_ethtool_set_sg,
6382 .get_tso = qeth_ethtool_get_tso,
6383 .set_tso = qeth_ethtool_set_tso,
6387 qeth_netdev_init(struct net_device *dev)
6389 struct qeth_card *card;
6391 card = (struct qeth_card *) dev->priv;
6393 QETH_DBF_TEXT(trace,3,"initdev");
6395 dev->tx_timeout = &qeth_tx_timeout;
6396 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6397 dev->open = qeth_open;
6398 dev->stop = qeth_stop;
6399 dev->hard_start_xmit = qeth_hard_start_xmit;
6400 dev->do_ioctl = qeth_do_ioctl;
6401 dev->get_stats = qeth_get_stats;
6402 dev->change_mtu = qeth_change_mtu;
6403 dev->neigh_setup = qeth_neigh_setup;
6404 dev->set_multicast_list = qeth_set_multicast_list;
6405 #ifdef CONFIG_QETH_VLAN
6406 dev->vlan_rx_register = qeth_vlan_rx_register;
6407 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6408 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6410 dev->hard_header = card->orig_hard_header;
6411 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6412 dev->rebuild_header = NULL;
6413 dev->hard_header = NULL;
6414 if (card->options.fake_ll)
6415 dev->hard_header = qeth_fake_header;
6416 dev->header_cache_update = NULL;
6417 dev->hard_header_cache = NULL;
6419 #ifdef CONFIG_QETH_IPV6
6420 /*IPv6 address autoconfiguration stuff*/
6421 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6422 card->dev->dev_id = card->info.unique_id & 0xffff;
6424 dev->hard_header_parse = NULL;
6425 dev->set_mac_address = qeth_layer2_set_mac_address;
6426 dev->flags |= qeth_get_netdev_flags(card);
6427 if ((card->options.fake_broadcast) ||
6428 (card->info.broadcast_capable))
6429 dev->flags |= IFF_BROADCAST;
6430 dev->hard_header_len =
6431 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6432 dev->addr_len = OSA_ADDR_LEN;
6433 dev->mtu = card->info.initial_mtu;
6434 if (card->info.type != QETH_CARD_TYPE_OSN)
6435 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6436 SET_MODULE_OWNER(dev);
6441 qeth_init_func_level(struct qeth_card *card)
6443 if (card->ipato.enabled) {
6444 if (card->info.type == QETH_CARD_TYPE_IQD)
6445 card->info.func_level =
6446 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6448 card->info.func_level =
6449 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6451 if (card->info.type == QETH_CARD_TYPE_IQD)
6452 /*FIXME:why do we have same values for dis and ena for osae??? */
6453 card->info.func_level =
6454 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6456 card->info.func_level =
6457 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6462 * hardsetup card, initialize MPC and QDIO stuff
6465 qeth_hardsetup_card(struct qeth_card *card)
6470 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6474 PRINT_WARN("Retrying to do IDX activates.\n");
6475 ccw_device_set_offline(CARD_DDEV(card));
6476 ccw_device_set_offline(CARD_WDEV(card));
6477 ccw_device_set_offline(CARD_RDEV(card));
6478 ccw_device_set_online(CARD_RDEV(card));
6479 ccw_device_set_online(CARD_WDEV(card));
6480 ccw_device_set_online(CARD_DDEV(card));
6482 rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6483 if (rc == -ERESTARTSYS) {
6484 QETH_DBF_TEXT(setup, 2, "break1");
6487 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6493 if ((rc = qeth_get_unitaddr(card))){
6494 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6497 qeth_init_tokens(card);
6498 qeth_init_func_level(card);
6499 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6500 if (rc == -ERESTARTSYS) {
6501 QETH_DBF_TEXT(setup, 2, "break2");
6504 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6510 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6511 if (rc == -ERESTARTSYS) {
6512 QETH_DBF_TEXT(setup, 2, "break3");
6515 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6521 if ((rc = qeth_mpc_initialize(card))){
6522 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6525 /*network device will be recovered*/
6527 card->dev->hard_header = card->orig_hard_header;
6530 /* at first set_online allocate netdev */
6531 card->dev = qeth_get_netdevice(card->info.type,
6532 card->info.link_type);
6534 qeth_qdio_clear_card(card, card->info.type !=
6535 QETH_CARD_TYPE_IQD);
6537 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6540 card->dev->priv = card;
6541 card->orig_hard_header = card->dev->hard_header;
6542 card->dev->type = qeth_get_arphdr_type(card->info.type,
6543 card->info.link_type);
6544 card->dev->init = qeth_netdev_init;
6547 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6552 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6555 struct qeth_ipa_cmd *cmd;
6557 QETH_DBF_TEXT(trace,4,"defadpcb");
6559 cmd = (struct qeth_ipa_cmd *) data;
6560 if (cmd->hdr.return_code == 0){
6561 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6562 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6563 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6564 #ifdef CONFIG_QETH_IPV6
6565 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6566 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6569 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6570 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6571 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6572 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6578 qeth_default_setadapterparms_cb(struct qeth_card *card,
6579 struct qeth_reply *reply,
6582 struct qeth_ipa_cmd *cmd;
6584 QETH_DBF_TEXT(trace,4,"defadpcb");
6586 cmd = (struct qeth_ipa_cmd *) data;
6587 if (cmd->hdr.return_code == 0)
6588 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6595 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6598 struct qeth_ipa_cmd *cmd;
6600 QETH_DBF_TEXT(trace,3,"quyadpcb");
6602 cmd = (struct qeth_ipa_cmd *) data;
6603 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6604 card->info.link_type =
6605 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6606 card->options.adp.supported_funcs =
6607 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6608 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6612 qeth_query_setadapterparms(struct qeth_card *card)
6615 struct qeth_cmd_buffer *iob;
6617 QETH_DBF_TEXT(trace,3,"queryadp");
6618 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6619 sizeof(struct qeth_ipacmd_setadpparms));
6620 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6625 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6626 struct qeth_reply *reply,
6629 struct qeth_ipa_cmd *cmd;
6631 QETH_DBF_TEXT(trace,4,"chgmaccb");
6633 cmd = (struct qeth_ipa_cmd *) data;
6634 if (!card->options.layer2 || card->info.guestlan ||
6635 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6636 memcpy(card->dev->dev_addr,
6637 &cmd->data.setadapterparms.data.change_addr.addr,
6639 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6641 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6646 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6649 struct qeth_cmd_buffer *iob;
6650 struct qeth_ipa_cmd *cmd;
6652 QETH_DBF_TEXT(trace,4,"chgmac");
6654 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6655 sizeof(struct qeth_ipacmd_setadpparms));
6656 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6657 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6658 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6659 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6660 card->dev->dev_addr, OSA_ADDR_LEN);
6661 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6667 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6670 struct qeth_cmd_buffer *iob;
6671 struct qeth_ipa_cmd *cmd;
6673 QETH_DBF_TEXT(trace,4,"adpmode");
6675 iob = qeth_get_adapter_cmd(card, command,
6676 sizeof(struct qeth_ipacmd_setadpparms));
6677 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6678 cmd->data.setadapterparms.data.mode = mode;
6679 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6685 qeth_setadapter_hstr(struct qeth_card *card)
6689 QETH_DBF_TEXT(trace,4,"adphstr");
6691 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6692 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6693 card->options.broadcast_mode);
6695 PRINT_WARN("couldn't set broadcast mode on "
6697 CARD_BUS_ID(card), rc);
6698 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6699 card->options.macaddr_mode);
6701 PRINT_WARN("couldn't set macaddr mode on "
6702 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6705 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6706 PRINT_WARN("set adapter parameters not available "
6707 "to set broadcast mode, using ALLRINGS "
6708 "on device %s:\n", CARD_BUS_ID(card));
6709 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6710 PRINT_WARN("set adapter parameters not available "
6711 "to set macaddr mode, using NONCANONICAL "
6712 "on device %s:\n", CARD_BUS_ID(card));
6717 qeth_setadapter_parms(struct qeth_card *card)
6721 QETH_DBF_TEXT(setup, 2, "setadprm");
6723 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6724 PRINT_WARN("set adapter parameters not supported "
6727 QETH_DBF_TEXT(setup, 2, " notsupp");
6730 rc = qeth_query_setadapterparms(card);
6732 PRINT_WARN("couldn't set adapter parameters on device %s: "
6733 "x%x\n", CARD_BUS_ID(card), rc);
6736 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6737 rc = qeth_setadpparms_change_macaddr(card);
6739 PRINT_WARN("couldn't get MAC address on "
6741 CARD_BUS_ID(card), rc);
6744 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6745 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6746 rc = qeth_setadapter_hstr(card);
6752 qeth_layer2_initialize(struct qeth_card *card)
6757 QETH_DBF_TEXT(setup, 2, "doL2init");
6758 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6760 rc = qeth_query_setadapterparms(card);
6762 PRINT_WARN("could not query adapter parameters on device %s: "
6763 "x%x\n", CARD_BUS_ID(card), rc);
6766 rc = qeth_setadpparms_change_macaddr(card);
6768 PRINT_WARN("couldn't get MAC address on "
6770 CARD_BUS_ID(card), rc);
6771 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6774 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6776 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6778 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6784 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6785 enum qeth_prot_versions prot)
6788 struct qeth_cmd_buffer *iob;
6790 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6791 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6797 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6801 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6803 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6808 qeth_send_stoplan(struct qeth_card *card)
6813 * TODO: according to the IPA format document page 14,
6814 * TCP/IP (we!) never issue a STOPLAN
6817 QETH_DBF_TEXT(trace, 2, "stoplan");
6819 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6824 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6827 struct qeth_ipa_cmd *cmd;
6829 QETH_DBF_TEXT(setup, 2, "qipasscb");
6831 cmd = (struct qeth_ipa_cmd *) data;
6832 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6833 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6834 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6835 /* Disable IPV6 support hard coded for Hipersockets */
6836 if(card->info.type == QETH_CARD_TYPE_IQD)
6837 card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6839 #ifdef CONFIG_QETH_IPV6
6840 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6841 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6844 QETH_DBF_TEXT(setup, 2, "suppenbl");
6845 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6846 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6851 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6854 struct qeth_cmd_buffer *iob;
6856 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6857 if (card->options.layer2) {
6858 QETH_DBF_TEXT(setup, 2, "noprmly2");
6862 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6863 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6867 static struct qeth_cmd_buffer *
6868 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6869 __u16 cmd_code, __u16 len,
6870 enum qeth_prot_versions prot)
6872 struct qeth_cmd_buffer *iob;
6873 struct qeth_ipa_cmd *cmd;
6875 QETH_DBF_TEXT(trace,4,"getasscm");
6876 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6878 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6879 cmd->data.setassparms.hdr.assist_no = ipa_func;
6880 cmd->data.setassparms.hdr.length = 8 + len;
6881 cmd->data.setassparms.hdr.command_code = cmd_code;
6882 cmd->data.setassparms.hdr.return_code = 0;
6883 cmd->data.setassparms.hdr.seq_no = 0;
6889 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6890 __u16 len, long data,
6892 (struct qeth_card *,struct qeth_reply *,unsigned long),
6896 struct qeth_ipa_cmd *cmd;
6898 QETH_DBF_TEXT(trace,4,"sendassp");
6900 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6901 if (len <= sizeof(__u32))
6902 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6903 else if (len > sizeof(__u32))
6904 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6906 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6910 #ifdef CONFIG_QETH_IPV6
6912 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6913 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6917 struct qeth_cmd_buffer *iob;
6919 QETH_DBF_TEXT(trace,4,"simassp6");
6920 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6922 rc = qeth_send_setassparms(card, iob, 0, 0,
6923 qeth_default_setassparms_cb, NULL);
6929 qeth_send_simple_setassparms(struct qeth_card *card,
6930 enum qeth_ipa_funcs ipa_func,
6931 __u16 cmd_code, long data)
6935 struct qeth_cmd_buffer *iob;
6937 QETH_DBF_TEXT(trace,4,"simassp4");
6939 length = sizeof(__u32);
6940 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6941 length, QETH_PROT_IPV4);
6942 rc = qeth_send_setassparms(card, iob, length, data,
6943 qeth_default_setassparms_cb, NULL);
6948 qeth_start_ipa_arp_processing(struct qeth_card *card)
6952 QETH_DBF_TEXT(trace,3,"ipaarp");
6954 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6955 PRINT_WARN("ARP processing not supported "
6956 "on %s!\n", QETH_CARD_IFNAME(card));
6959 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6960 IPA_CMD_ASS_START, 0);
6962 PRINT_WARN("Could not start ARP processing "
6963 "assist on %s: 0x%x\n",
6964 QETH_CARD_IFNAME(card), rc);
6970 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6974 QETH_DBF_TEXT(trace,3,"ipaipfrg");
6976 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6977 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6978 QETH_CARD_IFNAME(card));
6982 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6983 IPA_CMD_ASS_START, 0);
6985 PRINT_WARN("Could not start Hardware IP fragmentation "
6986 "assist on %s: 0x%x\n",
6987 QETH_CARD_IFNAME(card), rc);
6989 PRINT_INFO("Hardware IP fragmentation enabled \n");
6994 qeth_start_ipa_source_mac(struct qeth_card *card)
6998 QETH_DBF_TEXT(trace,3,"stsrcmac");
7000 if (!card->options.fake_ll)
7003 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
7004 PRINT_INFO("Inbound source address not "
7005 "supported on %s\n", QETH_CARD_IFNAME(card));
7009 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
7010 IPA_CMD_ASS_START, 0);
7012 PRINT_WARN("Could not start inbound source "
7013 "assist on %s: 0x%x\n",
7014 QETH_CARD_IFNAME(card), rc);
7019 qeth_start_ipa_vlan(struct qeth_card *card)
7023 QETH_DBF_TEXT(trace,3,"strtvlan");
7025 #ifdef CONFIG_QETH_VLAN
7026 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
7027 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
7031 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
7032 IPA_CMD_ASS_START,0);
7034 PRINT_WARN("Could not start vlan "
7035 "assist on %s: 0x%x\n",
7036 QETH_CARD_IFNAME(card), rc);
7038 PRINT_INFO("VLAN enabled \n");
7039 card->dev->features |=
7040 NETIF_F_HW_VLAN_FILTER |
7041 NETIF_F_HW_VLAN_TX |
7044 #endif /* QETH_VLAN */
7049 qeth_start_ipa_multicast(struct qeth_card *card)
7053 QETH_DBF_TEXT(trace,3,"stmcast");
7055 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7056 PRINT_WARN("Multicast not supported on %s\n",
7057 QETH_CARD_IFNAME(card));
7061 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7062 IPA_CMD_ASS_START,0);
7064 PRINT_WARN("Could not start multicast "
7065 "assist on %s: rc=%i\n",
7066 QETH_CARD_IFNAME(card), rc);
7068 PRINT_INFO("Multicast enabled\n");
7069 card->dev->flags |= IFF_MULTICAST;
7074 #ifdef CONFIG_QETH_IPV6
7076 qeth_softsetup_ipv6(struct qeth_card *card)
7080 QETH_DBF_TEXT(trace,3,"softipv6");
7082 netif_stop_queue(card->dev);
7083 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7085 PRINT_ERR("IPv6 startlan failed on %s\n",
7086 QETH_CARD_IFNAME(card));
7089 netif_wake_queue(card->dev);
7090 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7092 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7093 QETH_CARD_IFNAME(card));
7096 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7097 IPA_CMD_ASS_START, 3);
7099 PRINT_WARN("IPv6 start assist (version 4) failed "
7101 QETH_CARD_IFNAME(card), rc);
7104 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7107 PRINT_WARN("IPV6 start assist (version 6) failed "
7109 QETH_CARD_IFNAME(card), rc);
7112 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7115 PRINT_WARN("Could not enable passthrough "
7117 QETH_CARD_IFNAME(card), rc);
7120 PRINT_INFO("IPV6 enabled \n");
7127 qeth_start_ipa_ipv6(struct qeth_card *card)
7130 #ifdef CONFIG_QETH_IPV6
7131 QETH_DBF_TEXT(trace,3,"strtipv6");
7133 if (!qeth_is_supported(card, IPA_IPV6)) {
7134 PRINT_WARN("IPv6 not supported on %s\n",
7135 QETH_CARD_IFNAME(card));
7138 rc = qeth_softsetup_ipv6(card);
7144 qeth_start_ipa_broadcast(struct qeth_card *card)
7148 QETH_DBF_TEXT(trace,3,"stbrdcst");
7149 card->info.broadcast_capable = 0;
7150 if (!qeth_is_supported(card, IPA_FILTERING)) {
7151 PRINT_WARN("Broadcast not supported on %s\n",
7152 QETH_CARD_IFNAME(card));
7156 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7157 IPA_CMD_ASS_START, 0);
7159 PRINT_WARN("Could not enable broadcasting filtering "
7161 QETH_CARD_IFNAME(card), rc);
7165 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7166 IPA_CMD_ASS_CONFIGURE, 1);
7168 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7169 QETH_CARD_IFNAME(card), rc);
7172 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7173 PRINT_INFO("Broadcast enabled \n");
7174 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7175 IPA_CMD_ASS_ENABLE, 1);
7177 PRINT_WARN("Could not set up broadcast echo filtering on "
7178 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7181 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7183 if (card->info.broadcast_capable)
7184 card->dev->flags |= IFF_BROADCAST;
7186 card->dev->flags &= ~IFF_BROADCAST;
7191 qeth_send_checksum_command(struct qeth_card *card)
7195 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7196 IPA_CMD_ASS_START, 0);
7198 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7199 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7200 QETH_CARD_IFNAME(card), rc);
7203 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7205 card->info.csum_mask);
7207 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7208 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7209 QETH_CARD_IFNAME(card), rc);
7216 qeth_start_ipa_checksum(struct qeth_card *card)
7220 QETH_DBF_TEXT(trace,3,"strtcsum");
7222 if (card->options.checksum_type == NO_CHECKSUMMING) {
7223 PRINT_WARN("Using no checksumming on %s.\n",
7224 QETH_CARD_IFNAME(card));
7227 if (card->options.checksum_type == SW_CHECKSUMMING) {
7228 PRINT_WARN("Using SW checksumming on %s.\n",
7229 QETH_CARD_IFNAME(card));
7232 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7233 PRINT_WARN("Inbound HW Checksumming not "
7234 "supported on %s,\ncontinuing "
7235 "using Inbound SW Checksumming\n",
7236 QETH_CARD_IFNAME(card));
7237 card->options.checksum_type = SW_CHECKSUMMING;
7240 rc = qeth_send_checksum_command(card);
7242 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7248 qeth_start_ipa_tso(struct qeth_card *card)
7252 QETH_DBF_TEXT(trace,3,"sttso");
7254 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7255 PRINT_WARN("Outbound TSO not supported on %s\n",
7256 QETH_CARD_IFNAME(card));
7259 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7260 IPA_CMD_ASS_START,0);
7262 PRINT_WARN("Could not start outbound TSO "
7263 "assist on %s: rc=%i\n",
7264 QETH_CARD_IFNAME(card), rc);
7266 PRINT_INFO("Outbound TSO enabled\n");
7268 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7269 card->options.large_send = QETH_LARGE_SEND_NO;
7270 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7276 qeth_start_ipassists(struct qeth_card *card)
7278 QETH_DBF_TEXT(trace,3,"strtipas");
7279 qeth_start_ipa_arp_processing(card); /* go on*/
7280 qeth_start_ipa_ip_fragmentation(card); /* go on*/
7281 qeth_start_ipa_source_mac(card); /* go on*/
7282 qeth_start_ipa_vlan(card); /* go on*/
7283 qeth_start_ipa_multicast(card); /* go on*/
7284 qeth_start_ipa_ipv6(card); /* go on*/
7285 qeth_start_ipa_broadcast(card); /* go on*/
7286 qeth_start_ipa_checksum(card); /* go on*/
7287 qeth_start_ipa_tso(card); /* go on*/
7292 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7293 enum qeth_prot_versions prot)
7296 struct qeth_ipa_cmd *cmd;
7297 struct qeth_cmd_buffer *iob;
7299 QETH_DBF_TEXT(trace,4,"setroutg");
7300 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7301 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7302 cmd->data.setrtg.type = (type);
7303 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7310 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7311 enum qeth_prot_versions prot)
7313 if (card->info.type == QETH_CARD_TYPE_IQD) {
7316 case PRIMARY_CONNECTOR:
7317 case SECONDARY_CONNECTOR:
7318 case MULTICAST_ROUTER:
7326 case PRIMARY_ROUTER:
7327 case SECONDARY_ROUTER:
7329 case MULTICAST_ROUTER:
7330 if (qeth_is_ipafunc_supported(card, prot,
7338 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7339 "Router status set to 'no router'.\n",
7340 ((*type == PRIMARY_ROUTER)? "primary router" :
7341 (*type == SECONDARY_ROUTER)? "secondary router" :
7342 (*type == PRIMARY_CONNECTOR)? "primary connector" :
7343 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7344 (*type == MULTICAST_ROUTER)? "multicast router" :
7351 qeth_setrouting_v4(struct qeth_card *card)
7355 QETH_DBF_TEXT(trace,3,"setrtg4");
7357 qeth_correct_routing_type(card, &card->options.route4.type,
7360 rc = qeth_send_setrouting(card, card->options.route4.type,
7363 card->options.route4.type = NO_ROUTER;
7364 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7365 "Type set to 'no router'.\n",
7366 rc, QETH_CARD_IFNAME(card));
7372 qeth_setrouting_v6(struct qeth_card *card)
7376 QETH_DBF_TEXT(trace,3,"setrtg6");
7377 #ifdef CONFIG_QETH_IPV6
7379 qeth_correct_routing_type(card, &card->options.route6.type,
7382 if ((card->options.route6.type == NO_ROUTER) ||
7383 ((card->info.type == QETH_CARD_TYPE_OSAE) &&
7384 (card->options.route6.type == MULTICAST_ROUTER) &&
7385 !qeth_is_supported6(card,IPA_OSA_MC_ROUTER)))
7387 rc = qeth_send_setrouting(card, card->options.route6.type,
7390 card->options.route6.type = NO_ROUTER;
7391 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7392 "Type set to 'no router'.\n",
7393 rc, QETH_CARD_IFNAME(card));
7400 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7404 if (card->dev == NULL) {
7405 card->options.large_send = type;
7408 netif_stop_queue(card->dev);
7409 card->options.large_send = type;
7410 switch (card->options.large_send) {
7411 case QETH_LARGE_SEND_EDDP:
7412 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7414 case QETH_LARGE_SEND_TSO:
7415 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7416 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7418 PRINT_WARN("TSO not supported on %s. "
7419 "large_send set to 'no'.\n",
7421 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7422 card->options.large_send = QETH_LARGE_SEND_NO;
7426 default: /* includes QETH_LARGE_SEND_NO */
7427 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7430 netif_wake_queue(card->dev);
7435 * softsetup card: init IPA stuff
7438 qeth_softsetup_card(struct qeth_card *card)
7442 QETH_DBF_TEXT(setup, 2, "softsetp");
7444 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7445 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7447 PRINT_WARN("LAN on card %s if offline! "
7448 "Continuing softsetup.\n",
7450 card->lan_online = 0;
7454 card->lan_online = 1;
7455 if (card->info.type==QETH_CARD_TYPE_OSN)
7457 qeth_set_large_send(card, card->options.large_send);
7458 if (card->options.layer2) {
7459 card->dev->features |=
7460 NETIF_F_HW_VLAN_FILTER |
7461 NETIF_F_HW_VLAN_TX |
7463 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7464 card->info.broadcast_capable=1;
7465 if ((rc = qeth_layer2_initialize(card))) {
7466 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7469 #ifdef CONFIG_QETH_VLAN
7470 qeth_layer2_process_vlans(card, 0);
7474 if ((rc = qeth_setadapter_parms(card)))
7475 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7476 if ((rc = qeth_start_ipassists(card)))
7477 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7478 if ((rc = qeth_setrouting_v4(card)))
7479 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7480 if ((rc = qeth_setrouting_v6(card)))
7481 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7483 netif_stop_queue(card->dev);
7487 #ifdef CONFIG_QETH_IPV6
7489 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7492 struct qeth_ipa_cmd *cmd;
7494 cmd = (struct qeth_ipa_cmd *) data;
7495 if (cmd->hdr.return_code == 0)
7496 card->info.unique_id = *((__u16 *)
7497 &cmd->data.create_destroy_addr.unique_id[6]);
7499 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7500 UNIQUE_ID_NOT_BY_CARD;
7501 PRINT_WARN("couldn't get a unique id from the card on device "
7502 "%s (result=x%x), using default id. ipv6 "
7503 "autoconfig on other lpars may lead to duplicate "
7504 "ip addresses. please use manually "
7505 "configured ones.\n",
7506 CARD_BUS_ID(card), cmd->hdr.return_code);
7513 qeth_put_unique_id(struct qeth_card *card)
7517 #ifdef CONFIG_QETH_IPV6
7518 struct qeth_cmd_buffer *iob;
7519 struct qeth_ipa_cmd *cmd;
7521 QETH_DBF_TEXT(trace,2,"puniqeid");
7523 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7524 UNIQUE_ID_NOT_BY_CARD)
7526 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7528 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7529 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7530 card->info.unique_id;
7531 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7532 card->dev->dev_addr, OSA_ADDR_LEN);
7533 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7535 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7536 UNIQUE_ID_NOT_BY_CARD;
7545 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7547 struct qeth_ipaddr *addr, *tmp;
7548 unsigned long flags;
7550 QETH_DBF_TEXT(trace,4,"clearip");
7551 spin_lock_irqsave(&card->ip_lock, flags);
7552 /* clear todo list */
7553 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7554 list_del(&addr->entry);
7558 while (!list_empty(&card->ip_list)) {
7559 addr = list_entry(card->ip_list.next,
7560 struct qeth_ipaddr, entry);
7561 list_del_init(&addr->entry);
7563 spin_unlock_irqrestore(&card->ip_lock, flags);
7564 qeth_deregister_addr_entry(card, addr);
7565 spin_lock_irqsave(&card->ip_lock, flags);
7567 if (!recover || addr->is_multicast) {
7571 list_add_tail(&addr->entry, card->ip_tbd_list);
7573 spin_unlock_irqrestore(&card->ip_lock, flags);
7577 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7578 int clear_start_mask)
7580 unsigned long flags;
7582 spin_lock_irqsave(&card->thread_mask_lock, flags);
7583 card->thread_allowed_mask = threads;
7584 if (clear_start_mask)
7585 card->thread_start_mask &= threads;
7586 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7587 wake_up(&card->wait_q);
7591 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7593 unsigned long flags;
7596 spin_lock_irqsave(&card->thread_mask_lock, flags);
7597 rc = (card->thread_running_mask & threads);
7598 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7603 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7605 return wait_event_interruptible(card->wait_q,
7606 qeth_threads_running(card, threads) == 0);
7610 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7614 QETH_DBF_TEXT(setup ,2,"stopcard");
7615 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7617 qeth_set_allowed_threads(card, 0, 1);
7618 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7619 return -ERESTARTSYS;
7620 if (card->read.state == CH_STATE_UP &&
7621 card->write.state == CH_STATE_UP &&
7622 (card->state == CARD_STATE_UP)) {
7623 if (recovery_mode &&
7624 card->info.type != QETH_CARD_TYPE_OSN) {
7625 qeth_stop(card->dev);
7628 dev_close(card->dev);
7631 if (!card->use_hard_stop) {
7632 __u8 *mac = &card->dev->dev_addr[0];
7633 rc = qeth_layer2_send_delmac(card, mac);
7634 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7635 if ((rc = qeth_send_stoplan(card)))
7636 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7638 card->state = CARD_STATE_SOFTSETUP;
7640 if (card->state == CARD_STATE_SOFTSETUP) {
7641 #ifdef CONFIG_QETH_VLAN
7642 if (card->options.layer2)
7643 qeth_layer2_process_vlans(card, 1);
7645 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7646 qeth_clear_ipacmd_list(card);
7647 card->state = CARD_STATE_HARDSETUP;
7649 if (card->state == CARD_STATE_HARDSETUP) {
7650 if ((!card->use_hard_stop) &&
7651 (!card->options.layer2))
7652 if ((rc = qeth_put_unique_id(card)))
7653 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7654 qeth_qdio_clear_card(card, 0);
7655 qeth_clear_qdio_buffers(card);
7656 qeth_clear_working_pool_list(card);
7657 card->state = CARD_STATE_DOWN;
7659 if (card->state == CARD_STATE_DOWN) {
7660 qeth_clear_cmd_buffers(&card->read);
7661 qeth_clear_cmd_buffers(&card->write);
7663 card->use_hard_stop = 0;
7669 qeth_get_unique_id(struct qeth_card *card)
7672 #ifdef CONFIG_QETH_IPV6
7673 struct qeth_cmd_buffer *iob;
7674 struct qeth_ipa_cmd *cmd;
7676 QETH_DBF_TEXT(setup, 2, "guniqeid");
7678 if (!qeth_is_supported(card,IPA_IPV6)) {
7679 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7680 UNIQUE_ID_NOT_BY_CARD;
7684 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7686 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7687 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7688 card->info.unique_id;
7690 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7692 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7693 UNIQUE_ID_NOT_BY_CARD;
7698 qeth_print_status_with_portname(struct qeth_card *card)
7703 sprintf(dbf_text, "%s", card->info.portname + 1);
7704 for (i = 0; i < 8; i++)
7706 (char) _ebcasc[(__u8) dbf_text[i]];
7708 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7709 "with link type %s (portname: %s)\n",
7713 qeth_get_cardname(card),
7714 (card->info.mcl_level[0]) ? " (level: " : "",
7715 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7716 (card->info.mcl_level[0]) ? ")" : "",
7717 qeth_get_cardname_short(card),
7723 qeth_print_status_no_portname(struct qeth_card *card)
7725 if (card->info.portname[0])
7726 printk("qeth: Device %s/%s/%s is a%s "
7727 "card%s%s%s\nwith link type %s "
7728 "(no portname needed by interface).\n",
7732 qeth_get_cardname(card),
7733 (card->info.mcl_level[0]) ? " (level: " : "",
7734 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7735 (card->info.mcl_level[0]) ? ")" : "",
7736 qeth_get_cardname_short(card));
7738 printk("qeth: Device %s/%s/%s is a%s "
7739 "card%s%s%s\nwith link type %s.\n",
7743 qeth_get_cardname(card),
7744 (card->info.mcl_level[0]) ? " (level: " : "",
7745 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7746 (card->info.mcl_level[0]) ? ")" : "",
7747 qeth_get_cardname_short(card));
7751 qeth_print_status_message(struct qeth_card *card)
7753 switch (card->info.type) {
7754 case QETH_CARD_TYPE_OSAE:
7755 /* VM will use a non-zero first character
7756 * to indicate a HiperSockets like reporting
7757 * of the level OSA sets the first character to zero
7759 if (!card->info.mcl_level[0]) {
7760 sprintf(card->info.mcl_level,"%02x%02x",
7761 card->info.mcl_level[2],
7762 card->info.mcl_level[3]);
7764 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7768 case QETH_CARD_TYPE_IQD:
7769 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7770 card->info.mcl_level[0]];
7771 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7772 card->info.mcl_level[1]];
7773 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7774 card->info.mcl_level[2]];
7775 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7776 card->info.mcl_level[3]];
7777 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7780 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7782 if (card->info.portname_required)
7783 qeth_print_status_with_portname(card);
7785 qeth_print_status_no_portname(card);
7789 qeth_register_netdev(struct qeth_card *card)
7791 QETH_DBF_TEXT(setup, 3, "regnetd");
7792 if (card->dev->reg_state != NETREG_UNINITIALIZED) {
7793 qeth_netdev_init(card->dev);
7797 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7798 return register_netdev(card->dev);
7802 qeth_start_again(struct qeth_card *card, int recovery_mode)
7804 QETH_DBF_TEXT(setup ,2, "startag");
7806 if (recovery_mode &&
7807 card->info.type != QETH_CARD_TYPE_OSN) {
7808 qeth_open(card->dev);
7811 dev_open(card->dev);
7814 /* this also sets saved unicast addresses */
7815 qeth_set_multicast_list(card->dev);
7819 /* Layer 2 specific stuff */
7820 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7821 if (card->options.option == value) { \
7822 PRINT_ERR("%s not supported with layer 2 " \
7823 "functionality, ignoring option on read" \
7824 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7825 card->options.option = reset_value; \
7827 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7828 if (card->options.option != value) { \
7829 PRINT_ERR("%s not supported with layer 2 " \
7830 "functionality, ignoring option on read" \
7831 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7832 card->options.option = reset_value; \
7836 static void qeth_make_parameters_consistent(struct qeth_card *card)
7839 if (card->options.layer2 == 0)
7841 if (card->info.type == QETH_CARD_TYPE_OSN)
7843 if (card->info.type == QETH_CARD_TYPE_IQD) {
7844 PRINT_ERR("Device %s does not support layer 2 functionality." \
7845 " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7846 card->options.layer2 = 0;
7849 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7850 "Routing options are");
7851 #ifdef CONFIG_QETH_IPV6
7852 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7853 "Routing options are");
7855 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7856 QETH_CHECKSUM_DEFAULT,
7857 "Checksumming options are");
7858 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7859 QETH_TR_BROADCAST_ALLRINGS,
7860 "Broadcast mode options are");
7861 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7862 QETH_TR_MACADDR_NONCANONICAL,
7863 "Canonical MAC addr options are");
7864 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7865 "Broadcast faking options are");
7866 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7867 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7868 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7873 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7875 struct qeth_card *card = gdev->dev.driver_data;
7877 enum qeth_card_states recover_flag;
7880 QETH_DBF_TEXT(setup ,2, "setonlin");
7881 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7883 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7884 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7885 PRINT_WARN("set_online of card %s interrupted by user!\n",
7887 return -ERESTARTSYS;
7890 recover_flag = card->state;
7891 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7892 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7893 (rc = ccw_device_set_online(CARD_DDEV(card)))){
7894 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7898 qeth_make_parameters_consistent(card);
7900 if ((rc = qeth_hardsetup_card(card))){
7901 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7904 card->state = CARD_STATE_HARDSETUP;
7906 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7907 rc = qeth_get_unique_id(card);
7909 if (rc && card->options.layer2 == 0) {
7910 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7913 qeth_print_status_message(card);
7914 if ((rc = qeth_register_netdev(card))){
7915 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7918 if ((rc = qeth_softsetup_card(card))){
7919 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7922 card->state = CARD_STATE_SOFTSETUP;
7924 if ((rc = qeth_init_qdio_queues(card))){
7925 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7928 netif_carrier_on(card->dev);
7930 qeth_set_allowed_threads(card, 0xffffffff, 0);
7931 if (recover_flag == CARD_STATE_RECOVER)
7932 qeth_start_again(card, recovery_mode);
7933 qeth_notify_processes();
7936 card->use_hard_stop = 1;
7937 qeth_stop_card(card, 0);
7938 ccw_device_set_offline(CARD_DDEV(card));
7939 ccw_device_set_offline(CARD_WDEV(card));
7940 ccw_device_set_offline(CARD_RDEV(card));
7941 if (recover_flag == CARD_STATE_RECOVER)
7942 card->state = CARD_STATE_RECOVER;
7944 card->state = CARD_STATE_DOWN;
7949 qeth_set_online(struct ccwgroup_device *gdev)
7951 return __qeth_set_online(gdev, 0);
7954 static struct ccw_device_id qeth_ids[] = {
7955 {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
7956 {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
7957 {CCW_DEVICE(0x1731, 0x06), driver_info:QETH_CARD_TYPE_OSN},
7960 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7962 struct device *qeth_root_dev = NULL;
7964 struct ccwgroup_driver qeth_ccwgroup_driver = {
7965 .owner = THIS_MODULE,
7967 .driver_id = 0xD8C5E3C8,
7968 .probe = qeth_probe_device,
7969 .remove = qeth_remove_device,
7970 .set_online = qeth_set_online,
7971 .set_offline = qeth_set_offline,
7974 struct ccw_driver qeth_ccw_driver = {
7977 .probe = ccwgroup_probe_ccwdev,
7978 .remove = ccwgroup_remove_ccwdev,
7983 qeth_unregister_dbf_views(void)
7986 debug_unregister(qeth_dbf_setup);
7988 debug_unregister(qeth_dbf_qerr);
7990 debug_unregister(qeth_dbf_sense);
7992 debug_unregister(qeth_dbf_misc);
7994 debug_unregister(qeth_dbf_data);
7995 if (qeth_dbf_control)
7996 debug_unregister(qeth_dbf_control);
7998 debug_unregister(qeth_dbf_trace);
8001 qeth_register_dbf_views(void)
8003 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
8004 QETH_DBF_SETUP_PAGES,
8005 QETH_DBF_SETUP_NR_AREAS,
8006 QETH_DBF_SETUP_LEN);
8007 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
8008 QETH_DBF_MISC_PAGES,
8009 QETH_DBF_MISC_NR_AREAS,
8011 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
8012 QETH_DBF_DATA_PAGES,
8013 QETH_DBF_DATA_NR_AREAS,
8015 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
8016 QETH_DBF_CONTROL_PAGES,
8017 QETH_DBF_CONTROL_NR_AREAS,
8018 QETH_DBF_CONTROL_LEN);
8019 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
8020 QETH_DBF_SENSE_PAGES,
8021 QETH_DBF_SENSE_NR_AREAS,
8022 QETH_DBF_SENSE_LEN);
8023 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
8024 QETH_DBF_QERR_PAGES,
8025 QETH_DBF_QERR_NR_AREAS,
8027 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
8028 QETH_DBF_TRACE_PAGES,
8029 QETH_DBF_TRACE_NR_AREAS,
8030 QETH_DBF_TRACE_LEN);
8032 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
8033 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
8034 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
8035 (qeth_dbf_trace == NULL)) {
8036 qeth_unregister_dbf_views();
8039 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
8040 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
8042 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
8043 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
8045 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
8046 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
8048 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
8049 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8051 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8052 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8054 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8055 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8057 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8058 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8063 #ifdef CONFIG_QETH_IPV6
8064 extern struct neigh_table arp_tbl;
8065 static struct neigh_ops *arp_direct_ops;
8066 static int (*qeth_old_arp_constructor) (struct neighbour *);
8068 static struct neigh_ops arp_direct_ops_template = {
8072 .error_report = NULL,
8073 .output = dev_queue_xmit,
8074 .connected_output = dev_queue_xmit,
8075 .hh_output = dev_queue_xmit,
8076 .queue_xmit = dev_queue_xmit
8080 qeth_arp_constructor(struct neighbour *neigh)
8082 struct net_device *dev = neigh->dev;
8083 struct in_device *in_dev;
8084 struct neigh_parms *parms;
8085 struct qeth_card *card;
8087 card = qeth_get_card_from_dev(dev);
8090 if((card->options.layer2) ||
8091 (card->dev->hard_header == qeth_fake_header))
8095 in_dev = __in_dev_get_rcu(dev);
8096 if (in_dev == NULL) {
8101 parms = in_dev->arp_parms;
8102 __neigh_parms_put(neigh->parms);
8103 neigh->parms = neigh_parms_clone(parms);
8106 neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
8107 neigh->nud_state = NUD_NOARP;
8108 neigh->ops = arp_direct_ops;
8109 neigh->output = neigh->ops->queue_xmit;
8112 return qeth_old_arp_constructor(neigh);
8114 #endif /*CONFIG_QETH_IPV6*/
8117 * IP address takeover related functions
8120 qeth_clear_ipato_list(struct qeth_card *card)
8122 struct qeth_ipato_entry *ipatoe, *tmp;
8123 unsigned long flags;
8125 spin_lock_irqsave(&card->ip_lock, flags);
8126 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8127 list_del(&ipatoe->entry);
8130 spin_unlock_irqrestore(&card->ip_lock, flags);
8134 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8136 struct qeth_ipato_entry *ipatoe;
8137 unsigned long flags;
8140 QETH_DBF_TEXT(trace, 2, "addipato");
8141 spin_lock_irqsave(&card->ip_lock, flags);
8142 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8143 if (ipatoe->proto != new->proto)
8145 if (!memcmp(ipatoe->addr, new->addr,
8146 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8147 (ipatoe->mask_bits == new->mask_bits)){
8148 PRINT_WARN("ipato entry already exists!\n");
8154 list_add_tail(&new->entry, &card->ipato.entries);
8156 spin_unlock_irqrestore(&card->ip_lock, flags);
8161 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8162 u8 *addr, int mask_bits)
8164 struct qeth_ipato_entry *ipatoe, *tmp;
8165 unsigned long flags;
8167 QETH_DBF_TEXT(trace, 2, "delipato");
8168 spin_lock_irqsave(&card->ip_lock, flags);
8169 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8170 if (ipatoe->proto != proto)
8172 if (!memcmp(ipatoe->addr, addr,
8173 (proto == QETH_PROT_IPV4)? 4:16) &&
8174 (ipatoe->mask_bits == mask_bits)){
8175 list_del(&ipatoe->entry);
8179 spin_unlock_irqrestore(&card->ip_lock, flags);
8183 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8188 for (i = 0; i < len; ++i){
8190 for (j = 7; j >= 0; --j){
8191 bits[i*8 + j] = octet & 1;
8198 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8200 struct qeth_ipato_entry *ipatoe;
8201 u8 addr_bits[128] = {0, };
8202 u8 ipatoe_bits[128] = {0, };
8205 if (!card->ipato.enabled)
8208 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8209 (addr->proto == QETH_PROT_IPV4)? 4:16);
8210 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8211 if (addr->proto != ipatoe->proto)
8213 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8214 (ipatoe->proto==QETH_PROT_IPV4) ?
8216 if (addr->proto == QETH_PROT_IPV4)
8217 rc = !memcmp(addr_bits, ipatoe_bits,
8218 min(32, ipatoe->mask_bits));
8220 rc = !memcmp(addr_bits, ipatoe_bits,
8221 min(128, ipatoe->mask_bits));
8226 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8228 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8235 * VIPA related functions
8238 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8241 struct qeth_ipaddr *ipaddr;
8242 unsigned long flags;
8245 ipaddr = qeth_get_addr_buffer(proto);
8247 if (proto == QETH_PROT_IPV4){
8248 QETH_DBF_TEXT(trace, 2, "addvipa4");
8249 memcpy(&ipaddr->u.a4.addr, addr, 4);
8250 ipaddr->u.a4.mask = 0;
8251 #ifdef CONFIG_QETH_IPV6
8252 } else if (proto == QETH_PROT_IPV6){
8253 QETH_DBF_TEXT(trace, 2, "addvipa6");
8254 memcpy(&ipaddr->u.a6.addr, addr, 16);
8255 ipaddr->u.a6.pfxlen = 0;
8258 ipaddr->type = QETH_IP_TYPE_VIPA;
8259 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8260 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8263 spin_lock_irqsave(&card->ip_lock, flags);
8264 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8265 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8267 spin_unlock_irqrestore(&card->ip_lock, flags);
8269 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8272 if (!qeth_add_ip(card, ipaddr))
8274 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8275 schedule_work(&card->kernel_thread_starter);
8280 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8283 struct qeth_ipaddr *ipaddr;
8285 ipaddr = qeth_get_addr_buffer(proto);
8287 if (proto == QETH_PROT_IPV4){
8288 QETH_DBF_TEXT(trace, 2, "delvipa4");
8289 memcpy(&ipaddr->u.a4.addr, addr, 4);
8290 ipaddr->u.a4.mask = 0;
8291 #ifdef CONFIG_QETH_IPV6
8292 } else if (proto == QETH_PROT_IPV6){
8293 QETH_DBF_TEXT(trace, 2, "delvipa6");
8294 memcpy(&ipaddr->u.a6.addr, addr, 16);
8295 ipaddr->u.a6.pfxlen = 0;
8298 ipaddr->type = QETH_IP_TYPE_VIPA;
8301 if (!qeth_delete_ip(card, ipaddr))
8303 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8304 schedule_work(&card->kernel_thread_starter);
8308 * proxy ARP related functions
8311 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8314 struct qeth_ipaddr *ipaddr;
8315 unsigned long flags;
8318 ipaddr = qeth_get_addr_buffer(proto);
8320 if (proto == QETH_PROT_IPV4){
8321 QETH_DBF_TEXT(trace, 2, "addrxip4");
8322 memcpy(&ipaddr->u.a4.addr, addr, 4);
8323 ipaddr->u.a4.mask = 0;
8324 #ifdef CONFIG_QETH_IPV6
8325 } else if (proto == QETH_PROT_IPV6){
8326 QETH_DBF_TEXT(trace, 2, "addrxip6");
8327 memcpy(&ipaddr->u.a6.addr, addr, 16);
8328 ipaddr->u.a6.pfxlen = 0;
8331 ipaddr->type = QETH_IP_TYPE_RXIP;
8332 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8333 ipaddr->del_flags = 0;
8336 spin_lock_irqsave(&card->ip_lock, flags);
8337 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8338 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8340 spin_unlock_irqrestore(&card->ip_lock, flags);
8342 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8345 if (!qeth_add_ip(card, ipaddr))
8347 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8348 schedule_work(&card->kernel_thread_starter);
8353 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8356 struct qeth_ipaddr *ipaddr;
8358 ipaddr = qeth_get_addr_buffer(proto);
8360 if (proto == QETH_PROT_IPV4){
8361 QETH_DBF_TEXT(trace, 2, "addrxip4");
8362 memcpy(&ipaddr->u.a4.addr, addr, 4);
8363 ipaddr->u.a4.mask = 0;
8364 #ifdef CONFIG_QETH_IPV6
8365 } else if (proto == QETH_PROT_IPV6){
8366 QETH_DBF_TEXT(trace, 2, "addrxip6");
8367 memcpy(&ipaddr->u.a6.addr, addr, 16);
8368 ipaddr->u.a6.pfxlen = 0;
8371 ipaddr->type = QETH_IP_TYPE_RXIP;
8374 if (!qeth_delete_ip(card, ipaddr))
8376 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8377 schedule_work(&card->kernel_thread_starter);
8384 qeth_ip_event(struct notifier_block *this,
8385 unsigned long event,void *ptr)
8387 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8388 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8389 struct qeth_ipaddr *addr;
8390 struct qeth_card *card;
8392 QETH_DBF_TEXT(trace,3,"ipevent");
8393 card = qeth_get_card_from_dev(dev);
8396 if (card->options.layer2)
8399 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8401 addr->u.a4.addr = ifa->ifa_address;
8402 addr->u.a4.mask = ifa->ifa_mask;
8403 addr->type = QETH_IP_TYPE_NORMAL;
8409 if (!qeth_add_ip(card, addr))
8413 if (!qeth_delete_ip(card, addr))
8419 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8420 schedule_work(&card->kernel_thread_starter);
8425 static struct notifier_block qeth_ip_notifier = {
8430 #ifdef CONFIG_QETH_IPV6
8432 * IPv6 event handler
8435 qeth_ip6_event(struct notifier_block *this,
8436 unsigned long event,void *ptr)
8439 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8440 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8441 struct qeth_ipaddr *addr;
8442 struct qeth_card *card;
8444 QETH_DBF_TEXT(trace,3,"ip6event");
8446 card = qeth_get_card_from_dev(dev);
8449 if (!qeth_is_supported(card, IPA_IPV6))
8452 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8454 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8455 addr->u.a6.pfxlen = ifa->prefix_len;
8456 addr->type = QETH_IP_TYPE_NORMAL;
8462 if (!qeth_add_ip(card, addr))
8466 if (!qeth_delete_ip(card, addr))
8472 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8473 schedule_work(&card->kernel_thread_starter);
8478 static struct notifier_block qeth_ip6_notifier = {
8485 __qeth_reboot_event_card(struct device *dev, void *data)
8487 struct qeth_card *card;
8489 card = (struct qeth_card *) dev->driver_data;
8490 qeth_clear_ip_list(card, 0, 0);
8491 qeth_qdio_clear_card(card, 0);
8496 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8499 driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8500 __qeth_reboot_event_card);
8505 static struct notifier_block qeth_reboot_notifier = {
8511 qeth_register_notifiers(void)
8515 QETH_DBF_TEXT(trace,5,"regnotif");
8516 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8518 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8520 #ifdef CONFIG_QETH_IPV6
8521 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8526 #ifdef CONFIG_QETH_IPV6
8528 unregister_inetaddr_notifier(&qeth_ip_notifier);
8531 unregister_reboot_notifier(&qeth_reboot_notifier);
8536 * unregister all event notifiers
8539 qeth_unregister_notifiers(void)
8542 QETH_DBF_TEXT(trace,5,"unregnot");
8543 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8544 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8545 #ifdef CONFIG_QETH_IPV6
8546 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8547 #endif /* QETH_IPV6 */
8551 #ifdef CONFIG_QETH_IPV6
8553 qeth_ipv6_init(void)
8555 qeth_old_arp_constructor = arp_tbl.constructor;
8556 write_lock(&arp_tbl.lock);
8557 arp_tbl.constructor = qeth_arp_constructor;
8558 write_unlock(&arp_tbl.lock);
8560 arp_direct_ops = (struct neigh_ops*)
8561 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8562 if (!arp_direct_ops)
8565 memcpy(arp_direct_ops, &arp_direct_ops_template,
8566 sizeof(struct neigh_ops));
8572 qeth_ipv6_uninit(void)
8574 write_lock(&arp_tbl.lock);
8575 arp_tbl.constructor = qeth_old_arp_constructor;
8576 write_unlock(&arp_tbl.lock);
8577 kfree(arp_direct_ops);
8579 #endif /* CONFIG_QETH_IPV6 */
8582 qeth_sysfs_unregister(void)
8584 qeth_remove_driver_attributes();
8585 ccw_driver_unregister(&qeth_ccw_driver);
8586 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8587 s390_root_dev_unregister(qeth_root_dev);
8590 * register qeth at sysfs
8593 qeth_sysfs_register(void)
8597 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8600 rc = ccw_driver_register(&qeth_ccw_driver);
8603 rc = qeth_create_driver_attributes();
8606 qeth_root_dev = s390_root_dev_register("qeth");
8607 if (IS_ERR(qeth_root_dev)) {
8608 rc = PTR_ERR(qeth_root_dev);
8622 PRINT_INFO("loading %s\n", version);
8624 INIT_LIST_HEAD(&qeth_card_list.list);
8625 INIT_LIST_HEAD(&qeth_notify_list);
8626 spin_lock_init(&qeth_notify_lock);
8627 rwlock_init(&qeth_card_list.rwlock);
8629 if (qeth_register_dbf_views())
8631 if (qeth_sysfs_register())
8634 #ifdef CONFIG_QETH_IPV6
8635 if (qeth_ipv6_init()) {
8636 PRINT_ERR("Out of memory during ipv6 init.\n");
8639 #endif /* QETH_IPV6 */
8640 if (qeth_register_notifiers())
8642 if (qeth_create_procfs_entries())
8648 qeth_unregister_notifiers();
8650 #ifdef CONFIG_QETH_IPV6
8652 #endif /* QETH_IPV6 */
8654 qeth_sysfs_unregister();
8655 qeth_unregister_dbf_views();
8657 PRINT_ERR("Initialization failed");
8662 __exit qeth_exit(void)
8664 struct qeth_card *card, *tmp;
8665 unsigned long flags;
8667 QETH_DBF_TEXT(trace,1, "cleanup.");
8670 * Weed would not need to clean up our devices here, because the
8671 * common device layer calls qeth_remove_device for each device
8672 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8673 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8674 * qeth_remove_device called by the common device layer would otherwise
8675 * do a "hard" shutdown (card->use_hard_stop is set to one in
8676 * qeth_remove_device).
8679 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8680 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8681 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8682 qeth_set_offline(card->gdev);
8683 qeth_remove_device(card->gdev);
8686 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8687 #ifdef CONFIG_QETH_IPV6
8690 qeth_unregister_notifiers();
8691 qeth_remove_procfs_entries();
8692 qeth_sysfs_unregister();
8693 qeth_unregister_dbf_views();
8694 printk("qeth: removed\n");
8697 EXPORT_SYMBOL(qeth_osn_register);
8698 EXPORT_SYMBOL(qeth_osn_deregister);
8699 EXPORT_SYMBOL(qeth_osn_assist);
8700 module_init(qeth_init);
8701 module_exit(qeth_exit);
8702 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8703 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8704 "Copyright 2000,2003 IBM Corporation\n");
8706 MODULE_LICENSE("GPL");