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/module.h>
31 #include <linux/moduleparam.h>
32 #include <linux/string.h>
33 #include <linux/errno.h>
36 #include <linux/inetdevice.h>
37 #include <linux/netdevice.h>
38 #include <linux/sched.h>
39 #include <linux/workqueue.h>
40 #include <linux/kernel.h>
41 #include <linux/slab.h>
42 #include <linux/interrupt.h>
43 #include <linux/tcp.h>
44 #include <linux/icmp.h>
45 #include <linux/skbuff.h>
47 #include <linux/igmp.h>
48 #include <linux/init.h>
49 #include <linux/reboot.h>
50 #include <linux/mii.h>
51 #include <linux/rcupdate.h>
52 #include <linux/ethtool.h>
56 #include <net/route.h>
58 #include <asm/ebcdic.h>
61 #include <asm/timex.h>
62 #include <asm/semaphore.h>
63 #include <asm/uaccess.h>
64 #include <asm/s390_rdev.h>
69 #include "qeth_eddp.h"
72 static const char *version = "qeth S/390 OSA-Express driver";
75 * Debug Facility Stuff
77 static debug_info_t *qeth_dbf_setup = NULL;
78 static debug_info_t *qeth_dbf_data = NULL;
79 static debug_info_t *qeth_dbf_misc = NULL;
80 static debug_info_t *qeth_dbf_control = NULL;
81 debug_info_t *qeth_dbf_trace = NULL;
82 static debug_info_t *qeth_dbf_sense = NULL;
83 static debug_info_t *qeth_dbf_qerr = NULL;
85 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
87 static struct lock_class_key qdio_out_skb_queue_key;
90 * some more definitions and declarations
92 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
94 /* list of our cards */
95 struct qeth_card_list_struct qeth_card_list;
96 /*process list want to be notified*/
97 spinlock_t qeth_notify_lock;
98 struct list_head qeth_notify_list;
100 static void qeth_send_control_data_cb(struct qeth_channel *,
101 struct qeth_cmd_buffer *);
104 * here we go with function implementation
107 qeth_init_qdio_info(struct qeth_card *card);
110 qeth_init_qdio_queues(struct qeth_card *card);
113 qeth_alloc_qdio_buffers(struct qeth_card *card);
116 qeth_free_qdio_buffers(struct qeth_card *);
119 qeth_clear_qdio_buffers(struct qeth_card *);
122 qeth_clear_ip_list(struct qeth_card *, int, int);
125 qeth_clear_ipacmd_list(struct qeth_card *);
128 qeth_qdio_clear_card(struct qeth_card *, int);
131 qeth_clear_working_pool_list(struct qeth_card *);
134 qeth_clear_cmd_buffers(struct qeth_channel *);
137 qeth_stop(struct net_device *);
140 qeth_clear_ipato_list(struct qeth_card *);
143 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
146 qeth_irq_tasklet(unsigned long);
149 qeth_set_online(struct ccwgroup_device *);
152 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode);
154 static struct qeth_ipaddr *
155 qeth_get_addr_buffer(enum qeth_prot_versions);
158 qeth_set_multicast_list(struct net_device *);
161 qeth_setadp_promisc_mode(struct qeth_card *);
164 qeth_notify_processes(void)
166 /*notify all registered processes */
167 struct qeth_notify_list_struct *n_entry;
169 QETH_DBF_TEXT(trace,3,"procnoti");
170 spin_lock(&qeth_notify_lock);
171 list_for_each_entry(n_entry, &qeth_notify_list, list) {
172 send_sig(n_entry->signum, n_entry->task, 1);
174 spin_unlock(&qeth_notify_lock);
178 qeth_notifier_unregister(struct task_struct *p)
180 struct qeth_notify_list_struct *n_entry, *tmp;
182 QETH_DBF_TEXT(trace, 2, "notunreg");
183 spin_lock(&qeth_notify_lock);
184 list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
185 if (n_entry->task == p) {
186 list_del(&n_entry->list);
192 spin_unlock(&qeth_notify_lock);
196 qeth_notifier_register(struct task_struct *p, int signum)
198 struct qeth_notify_list_struct *n_entry;
200 /*check first if entry already exists*/
201 spin_lock(&qeth_notify_lock);
202 list_for_each_entry(n_entry, &qeth_notify_list, list) {
203 if (n_entry->task == p) {
204 n_entry->signum = signum;
205 spin_unlock(&qeth_notify_lock);
209 spin_unlock(&qeth_notify_lock);
211 n_entry = (struct qeth_notify_list_struct *)
212 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
216 n_entry->signum = signum;
217 spin_lock(&qeth_notify_lock);
218 list_add(&n_entry->list,&qeth_notify_list);
219 spin_unlock(&qeth_notify_lock);
225 * free channel command buffers
228 qeth_clean_channel(struct qeth_channel *channel)
232 QETH_DBF_TEXT(setup, 2, "freech");
233 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
234 kfree(channel->iob[cnt].data);
241 qeth_free_card(struct qeth_card *card)
244 QETH_DBF_TEXT(setup, 2, "freecrd");
245 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
246 qeth_clean_channel(&card->read);
247 qeth_clean_channel(&card->write);
249 free_netdev(card->dev);
250 qeth_clear_ip_list(card, 0, 0);
251 qeth_clear_ipato_list(card);
252 kfree(card->ip_tbd_list);
253 qeth_free_qdio_buffers(card);
258 * alloc memory for command buffer per channel
261 qeth_setup_channel(struct qeth_channel *channel)
265 QETH_DBF_TEXT(setup, 2, "setupch");
266 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
267 channel->iob[cnt].data = (char *)
268 kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
269 if (channel->iob[cnt].data == NULL)
271 channel->iob[cnt].state = BUF_STATE_FREE;
272 channel->iob[cnt].channel = channel;
273 channel->iob[cnt].callback = qeth_send_control_data_cb;
274 channel->iob[cnt].rc = 0;
276 if (cnt < QETH_CMD_BUFFER_NO) {
278 kfree(channel->iob[cnt].data);
282 channel->io_buf_no = 0;
283 atomic_set(&channel->irq_pending, 0);
284 spin_lock_init(&channel->iob_lock);
286 init_waitqueue_head(&channel->wait_q);
287 channel->irq_tasklet.data = (unsigned long) channel;
288 channel->irq_tasklet.func = qeth_irq_tasklet;
293 * alloc memory for card structure
295 static struct qeth_card *
296 qeth_alloc_card(void)
298 struct qeth_card *card;
300 QETH_DBF_TEXT(setup, 2, "alloccrd");
301 card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
304 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
305 if (qeth_setup_channel(&card->read)) {
309 if (qeth_setup_channel(&card->write)) {
310 qeth_clean_channel(&card->read);
318 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
323 switch (PTR_ERR(irb)) {
325 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
326 QETH_DBF_TEXT(trace, 2, "ckirberr");
327 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
330 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
331 QETH_DBF_TEXT(trace, 2, "ckirberr");
332 QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT);
335 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
337 QETH_DBF_TEXT(trace, 2, "ckirberr");
338 QETH_DBF_TEXT(trace, 2, " rc???");
344 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
349 sense = (char *) irb->ecw;
350 cstat = irb->scsw.cstat;
351 dstat = irb->scsw.dstat;
353 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
354 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
355 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
356 QETH_DBF_TEXT(trace,2, "CGENCHK");
357 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
358 cdev->dev.bus_id, dstat, cstat);
359 HEXDUMP16(WARN, "irb: ", irb);
360 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
364 if (dstat & DEV_STAT_UNIT_CHECK) {
365 if (sense[SENSE_RESETTING_EVENT_BYTE] &
366 SENSE_RESETTING_EVENT_FLAG) {
367 QETH_DBF_TEXT(trace,2,"REVIND");
370 if (sense[SENSE_COMMAND_REJECT_BYTE] &
371 SENSE_COMMAND_REJECT_FLAG) {
372 QETH_DBF_TEXT(trace,2,"CMDREJi");
375 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
376 QETH_DBF_TEXT(trace,2,"AFFE");
379 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
380 QETH_DBF_TEXT(trace,2,"ZEROSEN");
383 QETH_DBF_TEXT(trace,2,"DGENCHK");
388 static int qeth_issue_next_read(struct qeth_card *);
394 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
398 struct qeth_cmd_buffer *buffer;
399 struct qeth_channel *channel;
400 struct qeth_card *card;
402 QETH_DBF_TEXT(trace,5,"irq");
404 if (__qeth_check_irb_error(cdev, irb))
406 cstat = irb->scsw.cstat;
407 dstat = irb->scsw.dstat;
409 card = CARD_FROM_CDEV(cdev);
413 if (card->read.ccwdev == cdev){
414 channel = &card->read;
415 QETH_DBF_TEXT(trace,5,"read");
416 } else if (card->write.ccwdev == cdev) {
417 channel = &card->write;
418 QETH_DBF_TEXT(trace,5,"write");
420 channel = &card->data;
421 QETH_DBF_TEXT(trace,5,"data");
423 atomic_set(&channel->irq_pending, 0);
425 if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
426 channel->state = CH_STATE_STOPPED;
428 if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
429 channel->state = CH_STATE_HALTED;
431 /*let's wake up immediately on data channel*/
432 if ((channel == &card->data) && (intparm != 0))
435 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
436 QETH_DBF_TEXT(trace, 6, "clrchpar");
437 /* we don't have to handle this further */
440 if (intparm == QETH_HALT_CHANNEL_PARM) {
441 QETH_DBF_TEXT(trace, 6, "hltchpar");
442 /* we don't have to handle this further */
445 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
446 (dstat & DEV_STAT_UNIT_CHECK) ||
448 if (irb->esw.esw0.erw.cons) {
449 /* TODO: we should make this s390dbf */
450 PRINT_WARN("sense data available on channel %s.\n",
451 CHANNEL_ID(channel));
452 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
453 HEXDUMP16(WARN,"irb: ",irb);
454 HEXDUMP16(WARN,"sense data: ",irb->ecw);
456 rc = qeth_get_problem(cdev,irb);
458 qeth_schedule_recovery(card);
464 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
465 buffer->state = BUF_STATE_PROCESSED;
467 if (channel == &card->data)
470 if (channel == &card->read &&
471 channel->state == CH_STATE_UP)
472 qeth_issue_next_read(card);
474 tasklet_schedule(&channel->irq_tasklet);
477 wake_up(&card->wait_q);
481 * tasklet function scheduled from irq handler
484 qeth_irq_tasklet(unsigned long data)
486 struct qeth_card *card;
487 struct qeth_channel *channel;
488 struct qeth_cmd_buffer *iob;
491 QETH_DBF_TEXT(trace,5,"irqtlet");
492 channel = (struct qeth_channel *) data;
494 index = channel->buf_no;
495 card = CARD_FROM_CDEV(channel->ccwdev);
496 while (iob[index].state == BUF_STATE_PROCESSED) {
497 if (iob[index].callback !=NULL) {
498 iob[index].callback(channel,iob + index);
500 index = (index + 1) % QETH_CMD_BUFFER_NO;
502 channel->buf_no = index;
503 wake_up(&card->wait_q);
506 static int qeth_stop_card(struct qeth_card *, int);
509 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
511 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
512 int rc = 0, rc2 = 0, rc3 = 0;
513 enum qeth_card_states recover_flag;
515 QETH_DBF_TEXT(setup, 3, "setoffl");
516 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
518 if (card->dev && netif_carrier_ok(card->dev))
519 netif_carrier_off(card->dev);
520 recover_flag = card->state;
521 if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
522 PRINT_WARN("Stopping card %s interrupted by user!\n",
526 rc = ccw_device_set_offline(CARD_DDEV(card));
527 rc2 = ccw_device_set_offline(CARD_WDEV(card));
528 rc3 = ccw_device_set_offline(CARD_RDEV(card));
530 rc = (rc2) ? rc2 : rc3;
532 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
533 if (recover_flag == CARD_STATE_UP)
534 card->state = CARD_STATE_RECOVER;
535 qeth_notify_processes();
540 qeth_set_offline(struct ccwgroup_device *cgdev)
542 return __qeth_set_offline(cgdev, 0);
546 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads);
550 qeth_remove_device(struct ccwgroup_device *cgdev)
552 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
555 QETH_DBF_TEXT(setup, 3, "rmdev");
556 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
561 if (qeth_wait_for_threads(card, 0xffffffff))
564 if (cgdev->state == CCWGROUP_ONLINE){
565 card->use_hard_stop = 1;
566 qeth_set_offline(cgdev);
568 /* remove form our internal list */
569 write_lock_irqsave(&qeth_card_list.rwlock, flags);
570 list_del(&card->list);
571 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
573 unregister_netdev(card->dev);
574 qeth_remove_device_attributes(&cgdev->dev);
575 qeth_free_card(card);
576 cgdev->dev.driver_data = NULL;
577 put_device(&cgdev->dev);
581 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
583 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
586 * Add/remove address to/from card's ip list, i.e. try to add or remove
587 * reference to/from an IP address that is already registered on the card.
589 * 0 address was on card and its reference count has been adjusted,
590 * but is still > 0, so nothing has to be done
591 * also returns 0 if card was not on card and the todo was to delete
592 * the address -> there is also nothing to be done
593 * 1 address was not on card and the todo is to add it to the card's ip
595 * -1 address was on card and its reference count has been decremented
596 * to <= 0 by the todo -> address must be removed from card
599 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
600 struct qeth_ipaddr **__addr)
602 struct qeth_ipaddr *addr;
605 list_for_each_entry(addr, &card->ip_list, entry) {
606 if (card->options.layer2) {
607 if ((addr->type == todo->type) &&
608 (memcmp(&addr->mac, &todo->mac,
609 OSA_ADDR_LEN) == 0)) {
615 if ((addr->proto == QETH_PROT_IPV4) &&
616 (todo->proto == QETH_PROT_IPV4) &&
617 (addr->type == todo->type) &&
618 (addr->u.a4.addr == todo->u.a4.addr) &&
619 (addr->u.a4.mask == todo->u.a4.mask)) {
623 if ((addr->proto == QETH_PROT_IPV6) &&
624 (todo->proto == QETH_PROT_IPV6) &&
625 (addr->type == todo->type) &&
626 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
627 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
628 sizeof(struct in6_addr)) == 0)) {
634 addr->users += todo->users;
635 if (addr->users <= 0){
639 /* for VIPA and RXIP limit refcount to 1 */
640 if (addr->type != QETH_IP_TYPE_NORMAL)
645 if (todo->users > 0) {
646 /* for VIPA and RXIP limit refcount to 1 */
647 if (todo->type != QETH_IP_TYPE_NORMAL)
655 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
658 struct qeth_ipaddr *tmp;
660 list_for_each_entry(tmp, list, entry) {
661 if ((tmp->proto == QETH_PROT_IPV4) &&
662 (addr->proto == QETH_PROT_IPV4) &&
663 ((same_type && (tmp->type == addr->type)) ||
664 (!same_type && (tmp->type != addr->type)) ) &&
665 (tmp->u.a4.addr == addr->u.a4.addr) ){
668 if ((tmp->proto == QETH_PROT_IPV6) &&
669 (addr->proto == QETH_PROT_IPV6) &&
670 ((same_type && (tmp->type == addr->type)) ||
671 (!same_type && (tmp->type != addr->type)) ) &&
672 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
673 sizeof(struct in6_addr)) == 0) ) {
681 * Add IP to be added to todo list. If there is already an "add todo"
682 * in this list we just incremenent the reference count.
683 * Returns 0 if we just incremented reference count.
686 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
688 struct qeth_ipaddr *tmp, *t;
691 list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
692 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
693 (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
695 if (card->options.layer2) {
696 if ((tmp->type == addr->type) &&
697 (tmp->is_multicast == addr->is_multicast) &&
698 (memcmp(&tmp->mac, &addr->mac,
699 OSA_ADDR_LEN) == 0)) {
705 if ((tmp->proto == QETH_PROT_IPV4) &&
706 (addr->proto == QETH_PROT_IPV4) &&
707 (tmp->type == addr->type) &&
708 (tmp->is_multicast == addr->is_multicast) &&
709 (tmp->u.a4.addr == addr->u.a4.addr) &&
710 (tmp->u.a4.mask == addr->u.a4.mask)) {
714 if ((tmp->proto == QETH_PROT_IPV6) &&
715 (addr->proto == QETH_PROT_IPV6) &&
716 (tmp->type == addr->type) &&
717 (tmp->is_multicast == addr->is_multicast) &&
718 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
719 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
720 sizeof(struct in6_addr)) == 0)) {
726 if (addr->users != 0)
727 tmp->users += addr->users;
729 tmp->users += add? 1:-1;
730 if (tmp->users == 0) {
731 list_del(&tmp->entry);
736 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
737 list_add(&addr->entry, card->ip_tbd_list);
739 if (addr->users == 0)
740 addr->users += add? 1:-1;
741 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
742 qeth_is_addr_covered_by_ipato(card, addr)){
743 QETH_DBF_TEXT(trace, 2, "tkovaddr");
744 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
746 list_add_tail(&addr->entry, card->ip_tbd_list);
753 * Remove IP address from list
756 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
761 QETH_DBF_TEXT(trace, 4, "delip");
763 if (card->options.layer2)
764 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
765 else if (addr->proto == QETH_PROT_IPV4)
766 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
768 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
769 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
771 spin_lock_irqsave(&card->ip_lock, flags);
772 rc = __qeth_insert_ip_todo(card, addr, 0);
773 spin_unlock_irqrestore(&card->ip_lock, flags);
778 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
783 QETH_DBF_TEXT(trace, 4, "addip");
784 if (card->options.layer2)
785 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
786 else if (addr->proto == QETH_PROT_IPV4)
787 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
789 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
790 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
792 spin_lock_irqsave(&card->ip_lock, flags);
793 rc = __qeth_insert_ip_todo(card, addr, 1);
794 spin_unlock_irqrestore(&card->ip_lock, flags);
799 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
801 struct qeth_ipaddr *addr, *tmp;
804 list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
805 if (addr->is_multicast) {
806 spin_unlock_irqrestore(&card->ip_lock, *flags);
807 rc = qeth_deregister_addr_entry(card, addr);
808 spin_lock_irqsave(&card->ip_lock, *flags);
810 list_del(&addr->entry);
819 qeth_set_ip_addr_list(struct qeth_card *card)
821 struct list_head *tbd_list;
822 struct qeth_ipaddr *todo, *addr;
826 QETH_DBF_TEXT(trace, 2, "sdiplist");
827 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
829 spin_lock_irqsave(&card->ip_lock, flags);
830 tbd_list = card->ip_tbd_list;
831 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
832 if (!card->ip_tbd_list) {
833 QETH_DBF_TEXT(trace, 0, "silnomem");
834 card->ip_tbd_list = tbd_list;
835 spin_unlock_irqrestore(&card->ip_lock, flags);
838 INIT_LIST_HEAD(card->ip_tbd_list);
840 while (!list_empty(tbd_list)){
841 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
842 list_del(&todo->entry);
843 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
844 __qeth_delete_all_mc(card, &flags);
848 rc = __qeth_ref_ip_on_card(card, todo, &addr);
850 /* nothing to be done; only adjusted refcount */
852 } else if (rc == 1) {
853 /* new entry to be added to on-card list */
854 spin_unlock_irqrestore(&card->ip_lock, flags);
855 rc = qeth_register_addr_entry(card, todo);
856 spin_lock_irqsave(&card->ip_lock, flags);
858 list_add_tail(&todo->entry, &card->ip_list);
861 } else if (rc == -1) {
862 /* on-card entry to be removed */
863 list_del_init(&addr->entry);
864 spin_unlock_irqrestore(&card->ip_lock, flags);
865 rc = qeth_deregister_addr_entry(card, addr);
866 spin_lock_irqsave(&card->ip_lock, flags);
870 list_add_tail(&addr->entry, &card->ip_list);
874 spin_unlock_irqrestore(&card->ip_lock, flags);
878 static void qeth_delete_mc_addresses(struct qeth_card *);
879 static void qeth_add_multicast_ipv4(struct qeth_card *);
880 static void qeth_layer2_add_multicast(struct qeth_card *);
881 #ifdef CONFIG_QETH_IPV6
882 static void qeth_add_multicast_ipv6(struct qeth_card *);
886 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
890 spin_lock_irqsave(&card->thread_mask_lock, flags);
891 if ( !(card->thread_allowed_mask & thread) ||
892 (card->thread_start_mask & thread) ) {
893 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
896 card->thread_start_mask |= thread;
897 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
902 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
906 spin_lock_irqsave(&card->thread_mask_lock, flags);
907 card->thread_start_mask &= ~thread;
908 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
909 wake_up(&card->wait_q);
913 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
917 spin_lock_irqsave(&card->thread_mask_lock, flags);
918 card->thread_running_mask &= ~thread;
919 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
920 wake_up(&card->wait_q);
924 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
929 spin_lock_irqsave(&card->thread_mask_lock, flags);
930 if (card->thread_start_mask & thread){
931 if ((card->thread_allowed_mask & thread) &&
932 !(card->thread_running_mask & thread)){
934 card->thread_start_mask &= ~thread;
935 card->thread_running_mask |= thread;
939 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
944 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
948 wait_event(card->wait_q,
949 (rc = __qeth_do_run_thread(card, thread)) >= 0);
954 qeth_register_ip_addresses(void *ptr)
956 struct qeth_card *card;
958 card = (struct qeth_card *) ptr;
959 daemonize("qeth_reg_ip");
960 QETH_DBF_TEXT(trace,4,"regipth1");
961 if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD))
963 QETH_DBF_TEXT(trace,4,"regipth2");
964 qeth_set_ip_addr_list(card);
965 qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD);
970 * Drive the SET_PROMISC_MODE thread
973 qeth_set_promisc_mode(void *ptr)
975 struct qeth_card *card = (struct qeth_card *) ptr;
977 daemonize("qeth_setprm");
978 QETH_DBF_TEXT(trace,4,"setprm1");
979 if (!qeth_do_run_thread(card, QETH_SET_PROMISC_MODE_THREAD))
981 QETH_DBF_TEXT(trace,4,"setprm2");
982 qeth_setadp_promisc_mode(card);
983 qeth_clear_thread_running_bit(card, QETH_SET_PROMISC_MODE_THREAD);
988 qeth_recover(void *ptr)
990 struct qeth_card *card;
993 card = (struct qeth_card *) ptr;
994 daemonize("qeth_recover");
995 QETH_DBF_TEXT(trace,2,"recover1");
996 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
997 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
999 QETH_DBF_TEXT(trace,2,"recover2");
1000 PRINT_WARN("Recovery of device %s started ...\n",
1002 card->use_hard_stop = 1;
1003 __qeth_set_offline(card->gdev,1);
1004 rc = __qeth_set_online(card->gdev,1);
1006 PRINT_INFO("Device %s successfully recovered!\n",
1009 PRINT_INFO("Device %s could not be recovered!\n",
1011 /* don't run another scheduled recovery */
1012 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
1013 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
1018 qeth_schedule_recovery(struct qeth_card *card)
1020 QETH_DBF_TEXT(trace,2,"startrec");
1021 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
1022 schedule_work(&card->kernel_thread_starter);
1026 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1028 unsigned long flags;
1031 spin_lock_irqsave(&card->thread_mask_lock, flags);
1032 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
1033 (u8) card->thread_start_mask,
1034 (u8) card->thread_allowed_mask,
1035 (u8) card->thread_running_mask);
1036 rc = (card->thread_start_mask & thread);
1037 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1042 qeth_start_kernel_thread(struct qeth_card *card)
1044 QETH_DBF_TEXT(trace , 2, "strthrd");
1046 if (card->read.state != CH_STATE_UP &&
1047 card->write.state != CH_STATE_UP)
1050 if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
1051 kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD);
1052 if (qeth_do_start_thread(card, QETH_SET_PROMISC_MODE_THREAD))
1053 kernel_thread(qeth_set_promisc_mode, (void *)card, SIGCHLD);
1054 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1055 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1060 qeth_set_intial_options(struct qeth_card *card)
1062 card->options.route4.type = NO_ROUTER;
1063 #ifdef CONFIG_QETH_IPV6
1064 card->options.route6.type = NO_ROUTER;
1065 #endif /* QETH_IPV6 */
1066 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1067 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1068 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1069 card->options.fake_broadcast = 0;
1070 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1071 card->options.fake_ll = 0;
1072 if (card->info.type == QETH_CARD_TYPE_OSN)
1073 card->options.layer2 = 1;
1075 card->options.layer2 = 0;
1079 * initialize channels ,card and all state machines
1082 qeth_setup_card(struct qeth_card *card)
1085 QETH_DBF_TEXT(setup, 2, "setupcrd");
1086 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1088 card->read.state = CH_STATE_DOWN;
1089 card->write.state = CH_STATE_DOWN;
1090 card->data.state = CH_STATE_DOWN;
1091 card->state = CARD_STATE_DOWN;
1092 card->lan_online = 0;
1093 card->use_hard_stop = 0;
1095 #ifdef CONFIG_QETH_VLAN
1096 spin_lock_init(&card->vlanlock);
1097 card->vlangrp = NULL;
1099 spin_lock_init(&card->lock);
1100 spin_lock_init(&card->ip_lock);
1101 spin_lock_init(&card->thread_mask_lock);
1102 card->thread_start_mask = 0;
1103 card->thread_allowed_mask = 0;
1104 card->thread_running_mask = 0;
1105 INIT_WORK(&card->kernel_thread_starter,
1106 (void *)qeth_start_kernel_thread,card);
1107 INIT_LIST_HEAD(&card->ip_list);
1108 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1109 if (!card->ip_tbd_list) {
1110 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1113 INIT_LIST_HEAD(card->ip_tbd_list);
1114 INIT_LIST_HEAD(&card->cmd_waiter_list);
1115 init_waitqueue_head(&card->wait_q);
1116 /* intial options */
1117 qeth_set_intial_options(card);
1118 /* IP address takeover */
1119 INIT_LIST_HEAD(&card->ipato.entries);
1120 card->ipato.enabled = 0;
1121 card->ipato.invert4 = 0;
1122 card->ipato.invert6 = 0;
1123 /* init QDIO stuff */
1124 qeth_init_qdio_info(card);
1129 is_1920_device (struct qeth_card *card)
1131 int single_queue = 0;
1132 struct ccw_device *ccwdev;
1133 struct channelPath_dsc {
1144 QETH_DBF_TEXT(setup, 2, "chk_1920");
1146 ccwdev = card->data.ccwdev;
1147 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1148 if (chp_dsc != NULL) {
1149 /* CHPP field bit 6 == 1 -> single queue */
1150 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1153 QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1154 return single_queue;
1158 qeth_determine_card_type(struct qeth_card *card)
1162 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1164 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1165 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1166 while (known_devices[i][4]) {
1167 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1168 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1169 card->info.type = known_devices[i][4];
1170 card->qdio.no_out_queues = known_devices[i][8];
1171 card->info.is_multicast_different = known_devices[i][9];
1172 if (is_1920_device(card)) {
1173 PRINT_INFO("Priority Queueing not able "
1174 "due to hardware limitations!\n");
1175 card->qdio.no_out_queues = 1;
1176 card->qdio.default_out_queue = 0;
1182 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1183 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1188 qeth_probe_device(struct ccwgroup_device *gdev)
1190 struct qeth_card *card;
1192 unsigned long flags;
1195 QETH_DBF_TEXT(setup, 2, "probedev");
1198 if (!get_device(dev))
1201 QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
1203 card = qeth_alloc_card();
1206 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1209 card->read.ccwdev = gdev->cdev[0];
1210 card->write.ccwdev = gdev->cdev[1];
1211 card->data.ccwdev = gdev->cdev[2];
1212 gdev->dev.driver_data = card;
1214 gdev->cdev[0]->handler = qeth_irq;
1215 gdev->cdev[1]->handler = qeth_irq;
1216 gdev->cdev[2]->handler = qeth_irq;
1218 if ((rc = qeth_determine_card_type(card))){
1219 PRINT_WARN("%s: not a valid card type\n", __func__);
1220 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1222 qeth_free_card(card);
1225 if ((rc = qeth_setup_card(card))){
1226 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1228 qeth_free_card(card);
1231 rc = qeth_create_device_attributes(dev);
1234 qeth_free_card(card);
1237 /* insert into our internal list */
1238 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1239 list_add_tail(&card->list, &qeth_card_list.list);
1240 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1246 qeth_get_unitaddr(struct qeth_card *card)
1252 QETH_DBF_TEXT(setup, 2, "getunit");
1253 rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1255 PRINT_ERR("read_conf_data for device %s returned %i\n",
1256 CARD_DDEV_ID(card), rc);
1259 card->info.chpid = prcd[30];
1260 card->info.unit_addr2 = prcd[31];
1261 card->info.cula = prcd[63];
1262 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1263 (prcd[0x11] == _ascebc['M']));
1268 qeth_init_tokens(struct qeth_card *card)
1270 card->token.issuer_rm_w = 0x00010103UL;
1271 card->token.cm_filter_w = 0x00010108UL;
1272 card->token.cm_connection_w = 0x0001010aUL;
1273 card->token.ulp_filter_w = 0x0001010bUL;
1274 card->token.ulp_connection_w = 0x0001010dUL;
1278 raw_devno_from_bus_id(char *id)
1280 id += (strlen(id) - 4);
1281 return (__u16) simple_strtoul(id, &id, 16);
1287 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1289 struct qeth_card *card;
1291 QETH_DBF_TEXT(trace, 4, "setupccw");
1292 card = CARD_FROM_CDEV(channel->ccwdev);
1293 if (channel == &card->read)
1294 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1296 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1297 channel->ccw.count = len;
1298 channel->ccw.cda = (__u32) __pa(iob);
1302 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1304 static struct qeth_cmd_buffer *
1305 __qeth_get_buffer(struct qeth_channel *channel)
1309 QETH_DBF_TEXT(trace, 6, "getbuff");
1310 index = channel->io_buf_no;
1312 if (channel->iob[index].state == BUF_STATE_FREE) {
1313 channel->iob[index].state = BUF_STATE_LOCKED;
1314 channel->io_buf_no = (channel->io_buf_no + 1) %
1316 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1317 return channel->iob + index;
1319 index = (index + 1) % QETH_CMD_BUFFER_NO;
1320 } while(index != channel->io_buf_no);
1326 * release command buffer
1329 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1331 unsigned long flags;
1333 QETH_DBF_TEXT(trace, 6, "relbuff");
1334 spin_lock_irqsave(&channel->iob_lock, flags);
1335 memset(iob->data, 0, QETH_BUFSIZE);
1336 iob->state = BUF_STATE_FREE;
1337 iob->callback = qeth_send_control_data_cb;
1339 spin_unlock_irqrestore(&channel->iob_lock, flags);
1342 static struct qeth_cmd_buffer *
1343 qeth_get_buffer(struct qeth_channel *channel)
1345 struct qeth_cmd_buffer *buffer = NULL;
1346 unsigned long flags;
1348 spin_lock_irqsave(&channel->iob_lock, flags);
1349 buffer = __qeth_get_buffer(channel);
1350 spin_unlock_irqrestore(&channel->iob_lock, flags);
1354 static struct qeth_cmd_buffer *
1355 qeth_wait_for_buffer(struct qeth_channel *channel)
1357 struct qeth_cmd_buffer *buffer;
1358 wait_event(channel->wait_q,
1359 ((buffer = qeth_get_buffer(channel)) != NULL));
1364 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1368 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1369 qeth_release_buffer(channel,&channel->iob[cnt]);
1370 channel->buf_no = 0;
1371 channel->io_buf_no = 0;
1375 * start IDX for read and write channel
1378 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1379 void (*idx_reply_cb)(struct qeth_channel *,
1380 struct qeth_cmd_buffer *))
1382 struct qeth_cmd_buffer *iob;
1383 unsigned long flags;
1385 struct qeth_card *card;
1387 QETH_DBF_TEXT(setup, 2, "idxanswr");
1388 card = CARD_FROM_CDEV(channel->ccwdev);
1389 iob = qeth_get_buffer(channel);
1390 iob->callback = idx_reply_cb;
1391 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1392 channel->ccw.count = QETH_BUFSIZE;
1393 channel->ccw.cda = (__u32) __pa(iob->data);
1395 wait_event(card->wait_q,
1396 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1397 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1398 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1399 rc = ccw_device_start(channel->ccwdev,
1400 &channel->ccw,(addr_t) iob, 0, 0);
1401 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1404 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1405 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1406 atomic_set(&channel->irq_pending, 0);
1407 wake_up(&card->wait_q);
1410 rc = wait_event_interruptible_timeout(card->wait_q,
1411 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1412 if (rc == -ERESTARTSYS)
1414 if (channel->state != CH_STATE_UP){
1416 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1417 qeth_clear_cmd_buffers(channel);
1424 qeth_idx_activate_channel(struct qeth_channel *channel,
1425 void (*idx_reply_cb)(struct qeth_channel *,
1426 struct qeth_cmd_buffer *))
1428 struct qeth_card *card;
1429 struct qeth_cmd_buffer *iob;
1430 unsigned long flags;
1434 card = CARD_FROM_CDEV(channel->ccwdev);
1436 QETH_DBF_TEXT(setup, 2, "idxactch");
1438 iob = qeth_get_buffer(channel);
1439 iob->callback = idx_reply_cb;
1440 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1441 channel->ccw.count = IDX_ACTIVATE_SIZE;
1442 channel->ccw.cda = (__u32) __pa(iob->data);
1443 if (channel == &card->write) {
1444 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1445 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1446 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1447 card->seqno.trans_hdr++;
1449 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1450 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1451 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1453 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1454 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1455 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1456 &card->info.func_level,sizeof(__u16));
1457 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1458 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1459 temp = (card->info.cula << 8) + card->info.unit_addr2;
1460 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1462 wait_event(card->wait_q,
1463 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1464 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1465 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1466 rc = ccw_device_start(channel->ccwdev,
1467 &channel->ccw,(addr_t) iob, 0, 0);
1468 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1471 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1472 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1473 atomic_set(&channel->irq_pending, 0);
1474 wake_up(&card->wait_q);
1477 rc = wait_event_interruptible_timeout(card->wait_q,
1478 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1479 if (rc == -ERESTARTSYS)
1481 if (channel->state != CH_STATE_ACTIVATING) {
1482 PRINT_WARN("qeth: IDX activate timed out!\n");
1483 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1484 qeth_clear_cmd_buffers(channel);
1487 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1491 qeth_peer_func_level(int level)
1493 if ((level & 0xff) == 8)
1494 return (level & 0xff) + 0x400;
1495 if (((level >> 8) & 3) == 1)
1496 return (level & 0xff) + 0x200;
1501 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1503 struct qeth_card *card;
1506 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1508 if (channel->state == CH_STATE_DOWN) {
1509 channel->state = CH_STATE_ACTIVATING;
1512 card = CARD_FROM_CDEV(channel->ccwdev);
1514 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1515 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1516 "reply\n", CARD_WDEV_ID(card));
1519 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1520 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1521 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1522 "function level mismatch "
1523 "(sent: 0x%x, received: 0x%x)\n",
1524 CARD_WDEV_ID(card), card->info.func_level, temp);
1527 channel->state = CH_STATE_UP;
1529 qeth_release_buffer(channel, iob);
1533 qeth_check_idx_response(unsigned char *buffer)
1538 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1539 if ((buffer[2] & 0xc0) == 0xc0) {
1540 PRINT_WARN("received an IDX TERMINATE "
1541 "with cause code 0x%02x%s\n",
1543 ((buffer[4] == 0x22) ?
1544 " -- try another portname" : ""));
1545 QETH_DBF_TEXT(trace, 2, "ckidxres");
1546 QETH_DBF_TEXT(trace, 2, " idxterm");
1547 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1554 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1556 struct qeth_card *card;
1559 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1560 if (channel->state == CH_STATE_DOWN) {
1561 channel->state = CH_STATE_ACTIVATING;
1565 card = CARD_FROM_CDEV(channel->ccwdev);
1566 if (qeth_check_idx_response(iob->data)) {
1569 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1570 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1571 "reply\n", CARD_RDEV_ID(card));
1576 * temporary fix for microcode bug
1577 * to revert it,replace OR by AND
1579 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1580 (card->info.type == QETH_CARD_TYPE_OSAE) )
1581 card->info.portname_required = 1;
1583 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1584 if (temp != qeth_peer_func_level(card->info.func_level)) {
1585 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1586 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1587 CARD_RDEV_ID(card), card->info.func_level, temp);
1590 memcpy(&card->token.issuer_rm_r,
1591 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1592 QETH_MPC_TOKEN_LENGTH);
1593 memcpy(&card->info.mcl_level[0],
1594 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1595 channel->state = CH_STATE_UP;
1597 qeth_release_buffer(channel,iob);
1601 qeth_issue_next_read(struct qeth_card *card)
1604 struct qeth_cmd_buffer *iob;
1606 QETH_DBF_TEXT(trace,5,"issnxrd");
1607 if (card->read.state != CH_STATE_UP)
1609 iob = qeth_get_buffer(&card->read);
1611 PRINT_WARN("issue_next_read failed: no iob available!\n");
1614 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1615 wait_event(card->wait_q,
1616 atomic_cmpxchg(&card->read.irq_pending, 0, 1) == 0);
1617 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1618 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1619 (addr_t) iob, 0, 0);
1621 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1622 atomic_set(&card->read.irq_pending, 0);
1623 qeth_schedule_recovery(card);
1624 wake_up(&card->wait_q);
1629 static struct qeth_reply *
1630 qeth_alloc_reply(struct qeth_card *card)
1632 struct qeth_reply *reply;
1634 reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1636 atomic_set(&reply->refcnt, 1);
1643 qeth_get_reply(struct qeth_reply *reply)
1645 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1646 atomic_inc(&reply->refcnt);
1650 qeth_put_reply(struct qeth_reply *reply)
1652 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1653 if (atomic_dec_and_test(&reply->refcnt))
1658 qeth_cmd_timeout(unsigned long data)
1660 struct qeth_reply *reply, *list_reply, *r;
1661 unsigned long flags;
1663 reply = (struct qeth_reply *) data;
1664 spin_lock_irqsave(&reply->card->lock, flags);
1665 list_for_each_entry_safe(list_reply, r,
1666 &reply->card->cmd_waiter_list, list) {
1667 if (reply == list_reply){
1668 qeth_get_reply(reply);
1669 list_del_init(&reply->list);
1670 spin_unlock_irqrestore(&reply->card->lock, flags);
1672 reply->received = 1;
1673 wake_up(&reply->wait_q);
1674 qeth_put_reply(reply);
1678 spin_unlock_irqrestore(&reply->card->lock, flags);
1682 static struct qeth_ipa_cmd *
1683 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1685 struct qeth_ipa_cmd *cmd = NULL;
1687 QETH_DBF_TEXT(trace,5,"chkipad");
1688 if (IS_IPA(iob->data)){
1689 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1690 if (IS_IPA_REPLY(cmd))
1693 switch (cmd->hdr.command) {
1694 case IPA_CMD_STOPLAN:
1695 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1696 "there is a network problem or "
1697 "someone pulled the cable or "
1698 "disabled the port.\n",
1699 QETH_CARD_IFNAME(card),
1701 card->lan_online = 0;
1702 if (card->dev && netif_carrier_ok(card->dev))
1703 netif_carrier_off(card->dev);
1705 case IPA_CMD_STARTLAN:
1706 PRINT_INFO("Link reestablished on %s "
1707 "(CHPID 0x%X). Scheduling "
1708 "IP address reset.\n",
1709 QETH_CARD_IFNAME(card),
1711 qeth_schedule_recovery(card);
1713 case IPA_CMD_MODCCID:
1715 case IPA_CMD_REGISTER_LOCAL_ADDR:
1716 QETH_DBF_TEXT(trace,3, "irla");
1718 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1719 QETH_DBF_TEXT(trace,3, "urla");
1722 PRINT_WARN("Received data is IPA "
1723 "but not a reply!\n");
1732 * wake all waiting ipa commands
1735 qeth_clear_ipacmd_list(struct qeth_card *card)
1737 struct qeth_reply *reply, *r;
1738 unsigned long flags;
1740 QETH_DBF_TEXT(trace, 4, "clipalst");
1742 spin_lock_irqsave(&card->lock, flags);
1743 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1744 qeth_get_reply(reply);
1746 reply->received = 1;
1747 list_del_init(&reply->list);
1748 wake_up(&reply->wait_q);
1749 qeth_put_reply(reply);
1751 spin_unlock_irqrestore(&card->lock, flags);
1755 qeth_send_control_data_cb(struct qeth_channel *channel,
1756 struct qeth_cmd_buffer *iob)
1758 struct qeth_card *card;
1759 struct qeth_reply *reply, *r;
1760 struct qeth_ipa_cmd *cmd;
1761 unsigned long flags;
1764 QETH_DBF_TEXT(trace,4,"sndctlcb");
1766 card = CARD_FROM_CDEV(channel->ccwdev);
1767 if (qeth_check_idx_response(iob->data)) {
1768 qeth_clear_ipacmd_list(card);
1769 qeth_schedule_recovery(card);
1773 cmd = qeth_check_ipa_data(card, iob);
1774 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1776 /*in case of OSN : check if cmd is set */
1777 if (card->info.type == QETH_CARD_TYPE_OSN &&
1779 cmd->hdr.command != IPA_CMD_STARTLAN &&
1780 card->osn_info.assist_cb != NULL) {
1781 card->osn_info.assist_cb(card->dev, cmd);
1785 spin_lock_irqsave(&card->lock, flags);
1786 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1787 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1788 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1789 qeth_get_reply(reply);
1790 list_del_init(&reply->list);
1791 spin_unlock_irqrestore(&card->lock, flags);
1793 if (reply->callback != NULL) {
1795 reply->offset = (__u16)((char*)cmd -
1797 keep_reply = reply->callback(card,
1799 (unsigned long)cmd);
1801 keep_reply = reply->callback(card,
1803 (unsigned long)iob);
1806 reply->rc = (u16) cmd->hdr.return_code;
1808 reply->rc = iob->rc;
1810 spin_lock_irqsave(&card->lock, flags);
1811 list_add_tail(&reply->list,
1812 &card->cmd_waiter_list);
1813 spin_unlock_irqrestore(&card->lock, flags);
1815 reply->received = 1;
1816 wake_up(&reply->wait_q);
1818 qeth_put_reply(reply);
1822 spin_unlock_irqrestore(&card->lock, flags);
1824 memcpy(&card->seqno.pdu_hdr_ack,
1825 QETH_PDU_HEADER_SEQ_NO(iob->data),
1826 QETH_SEQ_NO_LENGTH);
1827 qeth_release_buffer(channel,iob);
1831 qeth_prepare_control_data(struct qeth_card *card, int len,
1832 struct qeth_cmd_buffer *iob)
1834 qeth_setup_ccw(&card->write,iob->data,len);
1835 iob->callback = qeth_release_buffer;
1837 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1838 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1839 card->seqno.trans_hdr++;
1840 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1841 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1842 card->seqno.pdu_hdr++;
1843 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1844 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1845 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1849 qeth_send_control_data(struct qeth_card *card, int len,
1850 struct qeth_cmd_buffer *iob,
1852 (struct qeth_card *, struct qeth_reply*, unsigned long),
1857 unsigned long flags;
1858 struct qeth_reply *reply = NULL;
1859 struct timer_list timer;
1861 QETH_DBF_TEXT(trace, 2, "sendctl");
1863 reply = qeth_alloc_reply(card);
1865 PRINT_WARN("Could no alloc qeth_reply!\n");
1868 reply->callback = reply_cb;
1869 reply->param = reply_param;
1870 if (card->state == CARD_STATE_DOWN)
1871 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1873 reply->seqno = card->seqno.ipa++;
1875 timer.function = qeth_cmd_timeout;
1876 timer.data = (unsigned long) reply;
1877 init_waitqueue_head(&reply->wait_q);
1878 spin_lock_irqsave(&card->lock, flags);
1879 list_add_tail(&reply->list, &card->cmd_waiter_list);
1880 spin_unlock_irqrestore(&card->lock, flags);
1881 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1882 wait_event(card->wait_q,
1883 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1884 qeth_prepare_control_data(card, len, iob);
1885 if (IS_IPA(iob->data))
1886 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1888 timer.expires = jiffies + QETH_TIMEOUT;
1889 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1890 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1891 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1892 (addr_t) iob, 0, 0);
1893 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1895 PRINT_WARN("qeth_send_control_data: "
1896 "ccw_device_start rc = %i\n", rc);
1897 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1898 spin_lock_irqsave(&card->lock, flags);
1899 list_del_init(&reply->list);
1900 qeth_put_reply(reply);
1901 spin_unlock_irqrestore(&card->lock, flags);
1902 qeth_release_buffer(iob->channel, iob);
1903 atomic_set(&card->write.irq_pending, 0);
1904 wake_up(&card->wait_q);
1908 wait_event(reply->wait_q, reply->received);
1909 del_timer_sync(&timer);
1911 qeth_put_reply(reply);
1916 qeth_osn_send_control_data(struct qeth_card *card, int len,
1917 struct qeth_cmd_buffer *iob)
1919 unsigned long flags;
1922 QETH_DBF_TEXT(trace, 5, "osndctrd");
1924 wait_event(card->wait_q,
1925 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1926 qeth_prepare_control_data(card, len, iob);
1927 QETH_DBF_TEXT(trace, 6, "osnoirqp");
1928 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1929 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1930 (addr_t) iob, 0, 0);
1931 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1933 PRINT_WARN("qeth_osn_send_control_data: "
1934 "ccw_device_start rc = %i\n", rc);
1935 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1936 qeth_release_buffer(iob->channel, iob);
1937 atomic_set(&card->write.irq_pending, 0);
1938 wake_up(&card->wait_q);
1944 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1947 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1948 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1949 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1950 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1954 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1959 QETH_DBF_TEXT(trace,4,"osndipa");
1961 qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
1962 s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
1964 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
1965 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
1966 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
1967 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
1968 return qeth_osn_send_control_data(card, s1, iob);
1972 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1974 (struct qeth_card *,struct qeth_reply*, unsigned long),
1980 QETH_DBF_TEXT(trace,4,"sendipa");
1982 if (card->options.layer2)
1983 if (card->info.type == QETH_CARD_TYPE_OSN)
1984 prot_type = QETH_PROT_OSN2;
1986 prot_type = QETH_PROT_LAYER2;
1988 prot_type = QETH_PROT_TCPIP;
1989 qeth_prepare_ipa_cmd(card,iob,prot_type);
1990 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1991 reply_cb, reply_param);
1997 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2000 struct qeth_cmd_buffer *iob;
2002 QETH_DBF_TEXT(setup, 2, "cmenblcb");
2004 iob = (struct qeth_cmd_buffer *) data;
2005 memcpy(&card->token.cm_filter_r,
2006 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2007 QETH_MPC_TOKEN_LENGTH);
2008 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2013 qeth_cm_enable(struct qeth_card *card)
2016 struct qeth_cmd_buffer *iob;
2018 QETH_DBF_TEXT(setup,2,"cmenable");
2020 iob = qeth_wait_for_buffer(&card->write);
2021 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2022 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2023 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2024 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2025 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2027 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2028 qeth_cm_enable_cb, NULL);
2033 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2037 struct qeth_cmd_buffer *iob;
2039 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
2041 iob = (struct qeth_cmd_buffer *) data;
2042 memcpy(&card->token.cm_connection_r,
2043 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2044 QETH_MPC_TOKEN_LENGTH);
2045 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2050 qeth_cm_setup(struct qeth_card *card)
2053 struct qeth_cmd_buffer *iob;
2055 QETH_DBF_TEXT(setup,2,"cmsetup");
2057 iob = qeth_wait_for_buffer(&card->write);
2058 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2059 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2060 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2061 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2062 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2063 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2064 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2065 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2066 qeth_cm_setup_cb, NULL);
2072 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2076 __u16 mtu, framesize;
2079 struct qeth_cmd_buffer *iob;
2081 QETH_DBF_TEXT(setup, 2, "ulpenacb");
2083 iob = (struct qeth_cmd_buffer *) data;
2084 memcpy(&card->token.ulp_filter_r,
2085 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2086 QETH_MPC_TOKEN_LENGTH);
2087 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2088 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2089 mtu = qeth_get_mtu_outof_framesize(framesize);
2092 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2095 card->info.max_mtu = mtu;
2096 card->info.initial_mtu = mtu;
2097 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2099 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2100 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2101 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2104 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2105 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2107 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2108 card->info.link_type = link_type;
2110 card->info.link_type = 0;
2111 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2116 qeth_ulp_enable(struct qeth_card *card)
2120 struct qeth_cmd_buffer *iob;
2122 /*FIXME: trace view callbacks*/
2123 QETH_DBF_TEXT(setup,2,"ulpenabl");
2125 iob = qeth_wait_for_buffer(&card->write);
2126 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2128 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2129 (__u8) card->info.portno;
2130 if (card->options.layer2)
2131 if (card->info.type == QETH_CARD_TYPE_OSN)
2132 prot_type = QETH_PROT_OSN2;
2134 prot_type = QETH_PROT_LAYER2;
2136 prot_type = QETH_PROT_TCPIP;
2138 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2139 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2140 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2141 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2142 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2143 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2144 card->info.portname, 9);
2145 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2146 qeth_ulp_enable_cb, NULL);
2152 __raw_devno_from_bus_id(char *id)
2154 id += (strlen(id) - 4);
2155 return (__u16) simple_strtoul(id, &id, 16);
2159 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2162 struct qeth_cmd_buffer *iob;
2164 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2166 iob = (struct qeth_cmd_buffer *) data;
2167 memcpy(&card->token.ulp_connection_r,
2168 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2169 QETH_MPC_TOKEN_LENGTH);
2170 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2175 qeth_ulp_setup(struct qeth_card *card)
2179 struct qeth_cmd_buffer *iob;
2181 QETH_DBF_TEXT(setup,2,"ulpsetup");
2183 iob = qeth_wait_for_buffer(&card->write);
2184 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2186 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2187 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2188 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2189 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2190 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2191 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2193 temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2194 memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2195 temp = (card->info.cula << 8) + card->info.unit_addr2;
2196 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2197 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2198 qeth_ulp_setup_cb, NULL);
2203 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2204 unsigned int siga_error, const char *dbftext)
2206 if (qdio_error || siga_error) {
2207 QETH_DBF_TEXT(trace, 2, dbftext);
2208 QETH_DBF_TEXT(qerr, 2, dbftext);
2209 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2210 buf->element[15].flags & 0xff);
2211 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2212 buf->element[14].flags & 0xff);
2213 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2214 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2220 static inline struct sk_buff *
2221 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2223 struct sk_buff* skb;
2227 if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2228 add_len = sizeof(struct qeth_hdr);
2229 #ifdef CONFIG_QETH_VLAN
2231 add_len = VLAN_HLEN;
2233 skb = dev_alloc_skb(length + add_len);
2235 skb_reserve(skb, add_len);
2239 static inline struct sk_buff *
2240 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2241 struct qdio_buffer_element **__element, int *__offset,
2242 struct qeth_hdr **hdr)
2244 struct qdio_buffer_element *element = *__element;
2245 int offset = *__offset;
2246 struct sk_buff *skb = NULL;
2251 QETH_DBF_TEXT(trace,6,"nextskb");
2252 /* qeth_hdr must not cross element boundaries */
2253 if (element->length < offset + sizeof(struct qeth_hdr)){
2254 if (qeth_is_last_sbale(element))
2258 if (element->length < sizeof(struct qeth_hdr))
2261 *hdr = element->addr + offset;
2263 offset += sizeof(struct qeth_hdr);
2264 if (card->options.layer2)
2265 if (card->info.type == QETH_CARD_TYPE_OSN)
2266 skb_len = (*hdr)->hdr.osn.pdu_length;
2268 skb_len = (*hdr)->hdr.l2.pkt_length;
2270 skb_len = (*hdr)->hdr.l3.length;
2274 if (card->options.fake_ll){
2275 if(card->dev->type == ARPHRD_IEEE802_TR){
2276 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr)))
2278 skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
2280 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr)))
2282 skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
2284 } else if (!(skb = qeth_get_skb(skb_len, *hdr)))
2286 data_ptr = element->addr + offset;
2288 data_len = min(skb_len, (int)(element->length - offset));
2290 memcpy(skb_put(skb, data_len), data_ptr, data_len);
2291 skb_len -= data_len;
2293 if (qeth_is_last_sbale(element)){
2294 QETH_DBF_TEXT(trace,4,"unexeob");
2295 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2296 QETH_DBF_TEXT(qerr,2,"unexeob");
2297 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2298 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2299 dev_kfree_skb_any(skb);
2300 card->stats.rx_errors++;
2305 data_ptr = element->addr;
2310 *__element = element;
2314 if (net_ratelimit()){
2315 PRINT_WARN("No memory for packet received on %s.\n",
2316 QETH_CARD_IFNAME(card));
2317 QETH_DBF_TEXT(trace,2,"noskbmem");
2318 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2320 card->stats.rx_dropped++;
2324 static inline __be16
2325 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2327 struct qeth_card *card;
2330 QETH_DBF_TEXT(trace,6,"typtrans");
2332 card = (struct qeth_card *)dev->priv;
2334 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2335 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2336 return tr_type_trans(skb,dev);
2337 #endif /* CONFIG_TR */
2338 skb->mac.raw = skb->data;
2339 skb_pull(skb, ETH_HLEN );
2342 if (*eth->h_dest & 1) {
2343 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2344 skb->pkt_type = PACKET_BROADCAST;
2346 skb->pkt_type = PACKET_MULTICAST;
2347 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2348 skb->pkt_type = PACKET_OTHERHOST;
2350 if (ntohs(eth->h_proto) >= 1536)
2351 return eth->h_proto;
2352 if (*(unsigned short *) (skb->data) == 0xFFFF)
2353 return htons(ETH_P_802_3);
2354 return htons(ETH_P_802_2);
2358 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2359 struct qeth_hdr *hdr)
2361 struct trh_hdr *fake_hdr;
2362 struct trllc *fake_llc;
2363 struct iphdr *ip_hdr;
2365 QETH_DBF_TEXT(trace,5,"skbfktr");
2366 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR;
2367 /* this is a fake ethernet header */
2368 fake_hdr = (struct trh_hdr *) skb->mac.raw;
2370 /* the destination MAC address */
2371 switch (skb->pkt_type){
2372 case PACKET_MULTICAST:
2373 switch (skb->protocol){
2374 #ifdef CONFIG_QETH_IPV6
2375 case __constant_htons(ETH_P_IPV6):
2376 ndisc_mc_map((struct in6_addr *)
2377 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2378 fake_hdr->daddr, card->dev, 0);
2380 #endif /* CONFIG_QETH_IPV6 */
2381 case __constant_htons(ETH_P_IP):
2382 ip_hdr = (struct iphdr *)skb->data;
2383 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2386 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2389 case PACKET_BROADCAST:
2390 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2393 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2395 /* the source MAC address */
2396 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2397 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2399 memset(fake_hdr->saddr, 0, TR_ALEN);
2401 fake_llc = (struct trllc*)&(fake_hdr->rcf);
2402 fake_llc->dsap = EXTENDED_SAP;
2403 fake_llc->ssap = EXTENDED_SAP;
2404 fake_llc->llc = UI_CMD;
2405 fake_llc->protid[0] = 0;
2406 fake_llc->protid[1] = 0;
2407 fake_llc->protid[2] = 0;
2408 fake_llc->ethertype = ETH_P_IP;
2412 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2413 struct qeth_hdr *hdr)
2415 struct ethhdr *fake_hdr;
2416 struct iphdr *ip_hdr;
2418 QETH_DBF_TEXT(trace,5,"skbfketh");
2419 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH;
2420 /* this is a fake ethernet header */
2421 fake_hdr = (struct ethhdr *) skb->mac.raw;
2423 /* the destination MAC address */
2424 switch (skb->pkt_type){
2425 case PACKET_MULTICAST:
2426 switch (skb->protocol){
2427 #ifdef CONFIG_QETH_IPV6
2428 case __constant_htons(ETH_P_IPV6):
2429 ndisc_mc_map((struct in6_addr *)
2430 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2431 fake_hdr->h_dest, card->dev, 0);
2433 #endif /* CONFIG_QETH_IPV6 */
2434 case __constant_htons(ETH_P_IP):
2435 ip_hdr = (struct iphdr *)skb->data;
2436 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2439 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2442 case PACKET_BROADCAST:
2443 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2446 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2448 /* the source MAC address */
2449 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2450 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2452 memset(fake_hdr->h_source, 0, ETH_ALEN);
2454 fake_hdr->h_proto = skb->protocol;
2458 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2459 struct qeth_hdr *hdr)
2461 if (card->dev->type == ARPHRD_IEEE802_TR)
2462 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2464 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2468 qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb,
2469 struct qeth_hdr *hdr)
2471 #ifdef CONFIG_QETH_VLAN
2474 if (hdr->hdr.l3.ext_flags &
2475 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2476 vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
2477 *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2478 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2479 *(vlan_tag + 1) = skb->protocol;
2480 skb->protocol = __constant_htons(ETH_P_8021Q);
2482 #endif /* CONFIG_QETH_VLAN */
2486 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2487 struct qeth_hdr *hdr)
2489 unsigned short vlan_id = 0;
2490 #ifdef CONFIG_QETH_VLAN
2491 struct vlan_hdr *vhdr;
2494 skb->pkt_type = PACKET_HOST;
2495 skb->protocol = qeth_type_trans(skb, skb->dev);
2496 if (card->options.checksum_type == NO_CHECKSUMMING)
2497 skb->ip_summed = CHECKSUM_UNNECESSARY;
2499 skb->ip_summed = CHECKSUM_NONE;
2500 #ifdef CONFIG_QETH_VLAN
2501 if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) {
2502 vhdr = (struct vlan_hdr *) skb->data;
2504 __constant_htons(vhdr->h_vlan_encapsulated_proto);
2505 vlan_id = hdr->hdr.l2.vlan_id;
2506 skb_pull(skb, VLAN_HLEN);
2509 *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2514 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2515 struct qeth_hdr *hdr)
2517 #ifdef CONFIG_QETH_IPV6
2518 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2519 skb->pkt_type = PACKET_HOST;
2520 skb->protocol = qeth_type_trans(skb, card->dev);
2523 #endif /* CONFIG_QETH_IPV6 */
2524 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2526 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2527 case QETH_CAST_UNICAST:
2528 skb->pkt_type = PACKET_HOST;
2530 case QETH_CAST_MULTICAST:
2531 skb->pkt_type = PACKET_MULTICAST;
2532 card->stats.multicast++;
2534 case QETH_CAST_BROADCAST:
2535 skb->pkt_type = PACKET_BROADCAST;
2536 card->stats.multicast++;
2538 case QETH_CAST_ANYCAST:
2539 case QETH_CAST_NOCAST:
2541 skb->pkt_type = PACKET_HOST;
2543 qeth_rebuild_skb_vlan(card, skb, hdr);
2544 if (card->options.fake_ll)
2545 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2547 skb->mac.raw = skb->data;
2548 skb->ip_summed = card->options.checksum_type;
2549 if (card->options.checksum_type == HW_CHECKSUMMING){
2550 if ( (hdr->hdr.l3.ext_flags &
2551 (QETH_HDR_EXT_CSUM_HDR_REQ |
2552 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2553 (QETH_HDR_EXT_CSUM_HDR_REQ |
2554 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2555 skb->ip_summed = CHECKSUM_UNNECESSARY;
2557 skb->ip_summed = SW_CHECKSUMMING;
2562 qeth_process_inbound_buffer(struct qeth_card *card,
2563 struct qeth_qdio_buffer *buf, int index)
2565 struct qdio_buffer_element *element;
2566 struct sk_buff *skb;
2567 struct qeth_hdr *hdr;
2572 /* get first element of current buffer */
2573 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2575 #ifdef CONFIG_QETH_PERF_STATS
2576 card->perf_stats.bufs_rec++;
2578 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2580 skb->dev = card->dev;
2581 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2582 vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
2583 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2584 qeth_rebuild_skb(card, skb, hdr);
2585 else { /*in case of OSN*/
2586 skb_push(skb, sizeof(struct qeth_hdr));
2587 memcpy(skb->data, hdr, sizeof(struct qeth_hdr));
2589 /* is device UP ? */
2590 if (!(card->dev->flags & IFF_UP)){
2591 dev_kfree_skb_any(skb);
2594 #ifdef CONFIG_QETH_VLAN
2596 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2599 if (card->info.type == QETH_CARD_TYPE_OSN)
2600 rxrc = card->osn_info.data_cb(skb);
2602 rxrc = netif_rx(skb);
2603 card->dev->last_rx = jiffies;
2604 card->stats.rx_packets++;
2605 card->stats.rx_bytes += skb->len;
2609 static inline struct qeth_buffer_pool_entry *
2610 qeth_get_buffer_pool_entry(struct qeth_card *card)
2612 struct qeth_buffer_pool_entry *entry;
2614 QETH_DBF_TEXT(trace, 6, "gtbfplen");
2615 if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2616 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2617 struct qeth_buffer_pool_entry, list);
2618 list_del_init(&entry->list);
2625 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2627 struct qeth_buffer_pool_entry *pool_entry;
2630 pool_entry = qeth_get_buffer_pool_entry(card);
2632 * since the buffer is accessed only from the input_tasklet
2633 * there shouldn't be a need to synchronize; also, since we use
2634 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2637 BUG_ON(!pool_entry);
2639 buf->pool_entry = pool_entry;
2640 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2641 buf->buffer->element[i].length = PAGE_SIZE;
2642 buf->buffer->element[i].addr = pool_entry->elements[i];
2643 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2644 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2646 buf->buffer->element[i].flags = 0;
2648 buf->state = QETH_QDIO_BUF_EMPTY;
2652 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2653 struct qeth_qdio_out_buffer *buf)
2656 struct sk_buff *skb;
2658 /* is PCI flag set on buffer? */
2659 if (buf->buffer->element[0].flags & 0x40)
2660 atomic_dec(&queue->set_pci_flags_count);
2662 while ((skb = skb_dequeue(&buf->skb_list))){
2663 atomic_dec(&skb->users);
2664 dev_kfree_skb_any(skb);
2666 qeth_eddp_buf_release_contexts(buf);
2667 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2668 buf->buffer->element[i].length = 0;
2669 buf->buffer->element[i].addr = NULL;
2670 buf->buffer->element[i].flags = 0;
2672 buf->next_element_to_fill = 0;
2673 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2677 qeth_queue_input_buffer(struct qeth_card *card, int index)
2679 struct qeth_qdio_q *queue = card->qdio.in_q;
2684 QETH_DBF_TEXT(trace,6,"queinbuf");
2685 count = (index < queue->next_buf_to_init)?
2686 card->qdio.in_buf_pool.buf_count -
2687 (queue->next_buf_to_init - index) :
2688 card->qdio.in_buf_pool.buf_count -
2689 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2690 /* only requeue at a certain threshold to avoid SIGAs */
2691 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2692 for (i = queue->next_buf_to_init;
2693 i < queue->next_buf_to_init + count; ++i)
2694 qeth_init_input_buffer(card,
2695 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2697 * according to old code it should be avoided to requeue all
2698 * 128 buffers in order to benefit from PCI avoidance.
2699 * this function keeps at least one buffer (the buffer at
2700 * 'index') un-requeued -> this buffer is the first buffer that
2701 * will be requeued the next time
2703 #ifdef CONFIG_QETH_PERF_STATS
2704 card->perf_stats.inbound_do_qdio_cnt++;
2705 card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros();
2707 rc = do_QDIO(CARD_DDEV(card),
2708 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2709 0, queue->next_buf_to_init, count, NULL);
2710 #ifdef CONFIG_QETH_PERF_STATS
2711 card->perf_stats.inbound_do_qdio_time += qeth_get_micros() -
2712 card->perf_stats.inbound_do_qdio_start_time;
2715 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2716 "return %i (device %s).\n",
2717 rc, CARD_DDEV_ID(card));
2718 QETH_DBF_TEXT(trace,2,"qinberr");
2719 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2721 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2722 QDIO_MAX_BUFFERS_PER_Q;
2727 qeth_put_buffer_pool_entry(struct qeth_card *card,
2728 struct qeth_buffer_pool_entry *entry)
2730 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2731 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2735 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2736 unsigned int qdio_err, unsigned int siga_err,
2737 unsigned int queue, int first_element, int count,
2738 unsigned long card_ptr)
2740 struct net_device *net_dev;
2741 struct qeth_card *card;
2742 struct qeth_qdio_buffer *buffer;
2746 QETH_DBF_TEXT(trace, 6, "qdinput");
2747 card = (struct qeth_card *) card_ptr;
2748 net_dev = card->dev;
2749 #ifdef CONFIG_QETH_PERF_STATS
2750 card->perf_stats.inbound_cnt++;
2751 card->perf_stats.inbound_start_time = qeth_get_micros();
2753 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2754 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2755 QETH_DBF_TEXT(trace, 1,"qdinchk");
2756 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2757 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2758 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2759 qeth_schedule_recovery(card);
2763 for (i = first_element; i < (first_element + count); ++i) {
2764 index = i % QDIO_MAX_BUFFERS_PER_Q;
2765 buffer = &card->qdio.in_q->bufs[index];
2766 if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
2767 qeth_check_qdio_errors(buffer->buffer,
2768 qdio_err, siga_err,"qinerr")))
2769 qeth_process_inbound_buffer(card, buffer, index);
2770 /* clear buffer and give back to hardware */
2771 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2772 qeth_queue_input_buffer(card, index);
2774 #ifdef CONFIG_QETH_PERF_STATS
2775 card->perf_stats.inbound_time += qeth_get_micros() -
2776 card->perf_stats.inbound_start_time;
2781 qeth_handle_send_error(struct qeth_card *card,
2782 struct qeth_qdio_out_buffer *buffer,
2783 unsigned int qdio_err, unsigned int siga_err)
2785 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2786 int cc = siga_err & 3;
2788 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2789 qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2793 QETH_DBF_TEXT(trace, 1,"lnkfail");
2794 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2795 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2796 (u16)qdio_err, (u8)sbalf15);
2797 return QETH_SEND_ERROR_LINK_FAILURE;
2799 return QETH_SEND_ERROR_NONE;
2801 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2802 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2803 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2804 return QETH_SEND_ERROR_KICK_IT;
2806 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2807 return QETH_SEND_ERROR_RETRY;
2808 return QETH_SEND_ERROR_LINK_FAILURE;
2809 /* look at qdio_error and sbalf 15 */
2811 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2812 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2813 return QETH_SEND_ERROR_LINK_FAILURE;
2816 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2817 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2818 return QETH_SEND_ERROR_KICK_IT;
2823 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2824 int index, int count)
2826 struct qeth_qdio_out_buffer *buf;
2830 QETH_DBF_TEXT(trace, 6, "flushbuf");
2832 for (i = index; i < index + count; ++i) {
2833 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2834 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2835 SBAL_FLAGS_LAST_ENTRY;
2837 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2840 if (!queue->do_pack){
2841 if ((atomic_read(&queue->used_buffers) >=
2842 (QETH_HIGH_WATERMARK_PACK -
2843 QETH_WATERMARK_PACK_FUZZ)) &&
2844 !atomic_read(&queue->set_pci_flags_count)){
2845 /* it's likely that we'll go to packing
2847 atomic_inc(&queue->set_pci_flags_count);
2848 buf->buffer->element[0].flags |= 0x40;
2851 if (!atomic_read(&queue->set_pci_flags_count)){
2853 * there's no outstanding PCI any more, so we
2854 * have to request a PCI to be sure the the PCI
2855 * will wake at some time in the future then we
2856 * can flush packed buffers that might still be
2857 * hanging around, which can happen if no
2858 * further send was requested by the stack
2860 atomic_inc(&queue->set_pci_flags_count);
2861 buf->buffer->element[0].flags |= 0x40;
2866 queue->card->dev->trans_start = jiffies;
2867 #ifdef CONFIG_QETH_PERF_STATS
2868 queue->card->perf_stats.outbound_do_qdio_cnt++;
2869 queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros();
2872 rc = do_QDIO(CARD_DDEV(queue->card),
2873 QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2874 queue->queue_no, index, count, NULL);
2876 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2877 queue->queue_no, index, count, NULL);
2878 #ifdef CONFIG_QETH_PERF_STATS
2879 queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() -
2880 queue->card->perf_stats.outbound_do_qdio_start_time;
2883 QETH_DBF_TEXT(trace, 2, "flushbuf");
2884 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2885 QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
2886 queue->card->stats.tx_errors += count;
2887 /* this must not happen under normal circumstances. if it
2888 * happens something is really wrong -> recover */
2889 qeth_schedule_recovery(queue->card);
2892 atomic_add(count, &queue->used_buffers);
2893 #ifdef CONFIG_QETH_PERF_STATS
2894 queue->card->perf_stats.bufs_sent += count;
2899 * Switched to packing state if the number of used buffers on a queue
2900 * reaches a certain limit.
2903 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2905 if (!queue->do_pack) {
2906 if (atomic_read(&queue->used_buffers)
2907 >= QETH_HIGH_WATERMARK_PACK){
2908 /* switch non-PACKING -> PACKING */
2909 QETH_DBF_TEXT(trace, 6, "np->pack");
2910 #ifdef CONFIG_QETH_PERF_STATS
2911 queue->card->perf_stats.sc_dp_p++;
2919 * Switches from packing to non-packing mode. If there is a packing
2920 * buffer on the queue this buffer will be prepared to be flushed.
2921 * In that case 1 is returned to inform the caller. If no buffer
2922 * has to be flushed, zero is returned.
2925 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2927 struct qeth_qdio_out_buffer *buffer;
2928 int flush_count = 0;
2930 if (queue->do_pack) {
2931 if (atomic_read(&queue->used_buffers)
2932 <= QETH_LOW_WATERMARK_PACK) {
2933 /* switch PACKING -> non-PACKING */
2934 QETH_DBF_TEXT(trace, 6, "pack->np");
2935 #ifdef CONFIG_QETH_PERF_STATS
2936 queue->card->perf_stats.sc_p_dp++;
2939 /* flush packing buffers */
2940 buffer = &queue->bufs[queue->next_buf_to_fill];
2941 if ((atomic_read(&buffer->state) ==
2942 QETH_QDIO_BUF_EMPTY) &&
2943 (buffer->next_element_to_fill > 0)) {
2944 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2946 queue->next_buf_to_fill =
2947 (queue->next_buf_to_fill + 1) %
2948 QDIO_MAX_BUFFERS_PER_Q;
2956 * Called to flush a packing buffer if no more pci flags are on the queue.
2957 * Checks if there is a packing buffer and prepares it to be flushed.
2958 * In that case returns 1, otherwise zero.
2961 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2963 struct qeth_qdio_out_buffer *buffer;
2965 buffer = &queue->bufs[queue->next_buf_to_fill];
2966 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2967 (buffer->next_element_to_fill > 0)){
2968 /* it's a packing buffer */
2969 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2970 queue->next_buf_to_fill =
2971 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2978 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2982 int q_was_packing = 0;
2985 * check if weed have to switch to non-packing mode or if
2986 * we have to get a pci flag out on the queue
2988 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2989 !atomic_read(&queue->set_pci_flags_count)){
2990 if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2991 QETH_OUT_Q_UNLOCKED) {
2993 * If we get in here, there was no action in
2994 * do_send_packet. So, we check if there is a
2995 * packing buffer to be flushed here.
2997 netif_stop_queue(queue->card->dev);
2998 index = queue->next_buf_to_fill;
2999 q_was_packing = queue->do_pack;
3000 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3002 !atomic_read(&queue->set_pci_flags_count))
3004 qeth_flush_buffers_on_no_pci(queue);
3005 #ifdef CONFIG_QETH_PERF_STATS
3007 queue->card->perf_stats.bufs_sent_pack +=
3011 qeth_flush_buffers(queue, 1, index, flush_cnt);
3012 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3018 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
3019 unsigned int qdio_error, unsigned int siga_error,
3020 unsigned int __queue, int first_element, int count,
3021 unsigned long card_ptr)
3023 struct qeth_card *card = (struct qeth_card *) card_ptr;
3024 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3025 struct qeth_qdio_out_buffer *buffer;
3028 QETH_DBF_TEXT(trace, 6, "qdouhdl");
3029 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
3030 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
3031 QETH_DBF_TEXT(trace, 2, "achkcond");
3032 QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
3033 QETH_DBF_TEXT_(trace, 2, "%08x", status);
3034 netif_stop_queue(card->dev);
3035 qeth_schedule_recovery(card);
3039 #ifdef CONFIG_QETH_PERF_STATS
3040 card->perf_stats.outbound_handler_cnt++;
3041 card->perf_stats.outbound_handler_start_time = qeth_get_micros();
3043 for(i = first_element; i < (first_element + count); ++i){
3044 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
3045 /*we only handle the KICK_IT error by doing a recovery */
3046 if (qeth_handle_send_error(card, buffer,
3047 qdio_error, siga_error)
3048 == QETH_SEND_ERROR_KICK_IT){
3049 netif_stop_queue(card->dev);
3050 qeth_schedule_recovery(card);
3053 qeth_clear_output_buffer(queue, buffer);
3055 atomic_sub(count, &queue->used_buffers);
3056 /* check if we need to do something on this outbound queue */
3057 if (card->info.type != QETH_CARD_TYPE_IQD)
3058 qeth_check_outbound_queue(queue);
3060 netif_wake_queue(queue->card->dev);
3061 #ifdef CONFIG_QETH_PERF_STATS
3062 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3063 card->perf_stats.outbound_handler_start_time;
3068 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
3071 param_field[0] = _ascebc['P'];
3072 param_field[1] = _ascebc['C'];
3073 param_field[2] = _ascebc['I'];
3074 param_field[3] = _ascebc['T'];
3075 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
3076 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
3077 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
3081 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3083 param_field[16] = _ascebc['B'];
3084 param_field[17] = _ascebc['L'];
3085 param_field[18] = _ascebc['K'];
3086 param_field[19] = _ascebc['T'];
3087 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
3088 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
3089 *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo;
3093 qeth_initialize_working_pool_list(struct qeth_card *card)
3095 struct qeth_buffer_pool_entry *entry;
3097 QETH_DBF_TEXT(trace,5,"inwrklst");
3099 list_for_each_entry(entry,
3100 &card->qdio.init_pool.entry_list, init_list) {
3101 qeth_put_buffer_pool_entry(card,entry);
3106 qeth_clear_working_pool_list(struct qeth_card *card)
3108 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3110 QETH_DBF_TEXT(trace,5,"clwrklst");
3111 list_for_each_entry_safe(pool_entry, tmp,
3112 &card->qdio.in_buf_pool.entry_list, list){
3113 list_del(&pool_entry->list);
3118 qeth_free_buffer_pool(struct qeth_card *card)
3120 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3122 QETH_DBF_TEXT(trace,5,"freepool");
3123 list_for_each_entry_safe(pool_entry, tmp,
3124 &card->qdio.init_pool.entry_list, init_list){
3125 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3126 free_page((unsigned long)pool_entry->elements[i]);
3127 list_del(&pool_entry->init_list);
3133 qeth_alloc_buffer_pool(struct qeth_card *card)
3135 struct qeth_buffer_pool_entry *pool_entry;
3139 QETH_DBF_TEXT(trace,5,"alocpool");
3140 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3141 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3143 qeth_free_buffer_pool(card);
3146 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3147 ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3150 free_page((unsigned long)
3151 pool_entry->elements[--j]);
3153 qeth_free_buffer_pool(card);
3156 pool_entry->elements[j] = ptr;
3158 list_add(&pool_entry->init_list,
3159 &card->qdio.init_pool.entry_list);
3165 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3167 QETH_DBF_TEXT(trace, 2, "realcbp");
3169 if ((card->state != CARD_STATE_DOWN) &&
3170 (card->state != CARD_STATE_RECOVER))
3173 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3174 qeth_clear_working_pool_list(card);
3175 qeth_free_buffer_pool(card);
3176 card->qdio.in_buf_pool.buf_count = bufcnt;
3177 card->qdio.init_pool.buf_count = bufcnt;
3178 return qeth_alloc_buffer_pool(card);
3182 qeth_alloc_qdio_buffers(struct qeth_card *card)
3186 QETH_DBF_TEXT(setup, 2, "allcqdbf");
3188 if (card->qdio.state == QETH_QDIO_ALLOCATED)
3191 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3192 GFP_KERNEL|GFP_DMA);
3193 if (!card->qdio.in_q)
3195 QETH_DBF_TEXT(setup, 2, "inq");
3196 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3197 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3198 /* give inbound qeth_qdio_buffers their qdio_buffers */
3199 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3200 card->qdio.in_q->bufs[i].buffer =
3201 &card->qdio.in_q->qdio_bufs[i];
3202 /* inbound buffer pool */
3203 if (qeth_alloc_buffer_pool(card)){
3204 kfree(card->qdio.in_q);
3209 kmalloc(card->qdio.no_out_queues *
3210 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3211 if (!card->qdio.out_qs){
3212 qeth_free_buffer_pool(card);
3215 for (i = 0; i < card->qdio.no_out_queues; ++i){
3216 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3217 GFP_KERNEL|GFP_DMA);
3218 if (!card->qdio.out_qs[i]){
3220 kfree(card->qdio.out_qs[--i]);
3221 kfree(card->qdio.out_qs);
3224 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3225 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3226 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3227 card->qdio.out_qs[i]->queue_no = i;
3228 /* give outbound qeth_qdio_buffers their qdio_buffers */
3229 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3230 card->qdio.out_qs[i]->bufs[j].buffer =
3231 &card->qdio.out_qs[i]->qdio_bufs[j];
3232 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3235 &card->qdio.out_qs[i]->bufs[j].skb_list.lock,
3236 &qdio_out_skb_queue_key);
3237 INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3240 card->qdio.state = QETH_QDIO_ALLOCATED;
3245 qeth_free_qdio_buffers(struct qeth_card *card)
3249 QETH_DBF_TEXT(trace, 2, "freeqdbf");
3250 if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
3252 kfree(card->qdio.in_q);
3253 /* inbound buffer pool */
3254 qeth_free_buffer_pool(card);
3255 /* free outbound qdio_qs */
3256 for (i = 0; i < card->qdio.no_out_queues; ++i){
3257 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3258 qeth_clear_output_buffer(card->qdio.out_qs[i],
3259 &card->qdio.out_qs[i]->bufs[j]);
3260 kfree(card->qdio.out_qs[i]);
3262 kfree(card->qdio.out_qs);
3263 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3267 qeth_clear_qdio_buffers(struct qeth_card *card)
3271 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3272 /* clear outbound buffers to free skbs */
3273 for (i = 0; i < card->qdio.no_out_queues; ++i)
3274 if (card->qdio.out_qs[i]){
3275 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3276 qeth_clear_output_buffer(card->qdio.out_qs[i],
3277 &card->qdio.out_qs[i]->bufs[j]);
3282 qeth_init_qdio_info(struct qeth_card *card)
3284 QETH_DBF_TEXT(setup, 4, "intqdinf");
3285 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3287 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3288 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3289 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3290 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3291 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3295 qeth_init_qdio_queues(struct qeth_card *card)
3300 QETH_DBF_TEXT(setup, 2, "initqdqs");
3303 memset(card->qdio.in_q->qdio_bufs, 0,
3304 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3305 qeth_initialize_working_pool_list(card);
3306 /*give only as many buffers to hardware as we have buffer pool entries*/
3307 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3308 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3309 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3310 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3311 card->qdio.in_buf_pool.buf_count - 1, NULL);
3313 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3316 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3318 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3321 /* outbound queue */
3322 for (i = 0; i < card->qdio.no_out_queues; ++i){
3323 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3324 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3325 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3326 qeth_clear_output_buffer(card->qdio.out_qs[i],
3327 &card->qdio.out_qs[i]->bufs[j]);
3329 card->qdio.out_qs[i]->card = card;
3330 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3331 card->qdio.out_qs[i]->do_pack = 0;
3332 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3333 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3334 atomic_set(&card->qdio.out_qs[i]->state,
3335 QETH_OUT_Q_UNLOCKED);
3341 qeth_qdio_establish(struct qeth_card *card)
3343 struct qdio_initialize init_data;
3344 char *qib_param_field;
3345 struct qdio_buffer **in_sbal_ptrs;
3346 struct qdio_buffer **out_sbal_ptrs;
3350 QETH_DBF_TEXT(setup, 2, "qdioest");
3352 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3354 if (!qib_param_field)
3357 qeth_create_qib_param_field(card, qib_param_field);
3358 qeth_create_qib_param_field_blkt(card, qib_param_field);
3360 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3362 if (!in_sbal_ptrs) {
3363 kfree(qib_param_field);
3366 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3367 in_sbal_ptrs[i] = (struct qdio_buffer *)
3368 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3371 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3372 sizeof(void *), GFP_KERNEL);
3373 if (!out_sbal_ptrs) {
3374 kfree(in_sbal_ptrs);
3375 kfree(qib_param_field);
3378 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3379 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3380 out_sbal_ptrs[k] = (struct qdio_buffer *)
3381 virt_to_phys(card->qdio.out_qs[i]->
3385 memset(&init_data, 0, sizeof(struct qdio_initialize));
3386 init_data.cdev = CARD_DDEV(card);
3387 init_data.q_format = qeth_get_qdio_q_format(card);
3388 init_data.qib_param_field_format = 0;
3389 init_data.qib_param_field = qib_param_field;
3390 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3391 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3392 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3393 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3394 init_data.no_input_qs = 1;
3395 init_data.no_output_qs = card->qdio.no_out_queues;
3396 init_data.input_handler = (qdio_handler_t *)
3397 qeth_qdio_input_handler;
3398 init_data.output_handler = (qdio_handler_t *)
3399 qeth_qdio_output_handler;
3400 init_data.int_parm = (unsigned long) card;
3401 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3402 QDIO_OUTBOUND_0COPY_SBALS |
3403 QDIO_USE_OUTBOUND_PCIS;
3404 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3405 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3407 if (!(rc = qdio_initialize(&init_data)))
3408 card->qdio.state = QETH_QDIO_ESTABLISHED;
3410 kfree(out_sbal_ptrs);
3411 kfree(in_sbal_ptrs);
3412 kfree(qib_param_field);
3417 qeth_qdio_activate(struct qeth_card *card)
3419 QETH_DBF_TEXT(setup,3,"qdioact");
3420 return qdio_activate(CARD_DDEV(card), 0);
3424 qeth_clear_channel(struct qeth_channel *channel)
3426 unsigned long flags;
3427 struct qeth_card *card;
3430 QETH_DBF_TEXT(trace,3,"clearch");
3431 card = CARD_FROM_CDEV(channel->ccwdev);
3432 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3433 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3434 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3438 rc = wait_event_interruptible_timeout(card->wait_q,
3439 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3440 if (rc == -ERESTARTSYS)
3442 if (channel->state != CH_STATE_STOPPED)
3444 channel->state = CH_STATE_DOWN;
3449 qeth_halt_channel(struct qeth_channel *channel)
3451 unsigned long flags;
3452 struct qeth_card *card;
3455 QETH_DBF_TEXT(trace,3,"haltch");
3456 card = CARD_FROM_CDEV(channel->ccwdev);
3457 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3458 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3459 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3463 rc = wait_event_interruptible_timeout(card->wait_q,
3464 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3465 if (rc == -ERESTARTSYS)
3467 if (channel->state != CH_STATE_HALTED)
3473 qeth_halt_channels(struct qeth_card *card)
3475 int rc1 = 0, rc2=0, rc3 = 0;
3477 QETH_DBF_TEXT(trace,3,"haltchs");
3478 rc1 = qeth_halt_channel(&card->read);
3479 rc2 = qeth_halt_channel(&card->write);
3480 rc3 = qeth_halt_channel(&card->data);
3488 qeth_clear_channels(struct qeth_card *card)
3490 int rc1 = 0, rc2=0, rc3 = 0;
3492 QETH_DBF_TEXT(trace,3,"clearchs");
3493 rc1 = qeth_clear_channel(&card->read);
3494 rc2 = qeth_clear_channel(&card->write);
3495 rc3 = qeth_clear_channel(&card->data);
3504 qeth_clear_halt_card(struct qeth_card *card, int halt)
3508 QETH_DBF_TEXT(trace,3,"clhacrd");
3509 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3512 rc = qeth_halt_channels(card);
3515 return qeth_clear_channels(card);
3519 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3523 QETH_DBF_TEXT(trace,3,"qdioclr");
3524 if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3525 if ((rc = qdio_cleanup(CARD_DDEV(card),
3526 (card->info.type == QETH_CARD_TYPE_IQD) ?
3527 QDIO_FLAG_CLEANUP_USING_HALT :
3528 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3529 QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3530 card->qdio.state = QETH_QDIO_ALLOCATED;
3532 if ((rc = qeth_clear_halt_card(card, use_halt)))
3533 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3534 card->state = CARD_STATE_DOWN;
3539 qeth_dm_act(struct qeth_card *card)
3542 struct qeth_cmd_buffer *iob;
3544 QETH_DBF_TEXT(setup,2,"dmact");
3546 iob = qeth_wait_for_buffer(&card->write);
3547 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3549 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3550 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3551 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3552 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3553 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3558 qeth_mpc_initialize(struct qeth_card *card)
3562 QETH_DBF_TEXT(setup,2,"mpcinit");
3564 if ((rc = qeth_issue_next_read(card))){
3565 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3568 if ((rc = qeth_cm_enable(card))){
3569 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3572 if ((rc = qeth_cm_setup(card))){
3573 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3576 if ((rc = qeth_ulp_enable(card))){
3577 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3580 if ((rc = qeth_ulp_setup(card))){
3581 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3584 if ((rc = qeth_alloc_qdio_buffers(card))){
3585 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3588 if ((rc = qeth_qdio_establish(card))){
3589 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3590 qeth_free_qdio_buffers(card);
3593 if ((rc = qeth_qdio_activate(card))){
3594 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3597 if ((rc = qeth_dm_act(card))){
3598 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3604 qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3608 static struct net_device *
3609 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3611 struct net_device *dev = NULL;
3614 case QETH_CARD_TYPE_OSAE:
3616 case QETH_LINK_TYPE_LANE_TR:
3617 case QETH_LINK_TYPE_HSTR:
3619 dev = alloc_trdev(0);
3620 #endif /* CONFIG_TR */
3623 dev = alloc_etherdev(0);
3626 case QETH_CARD_TYPE_IQD:
3627 dev = alloc_netdev(0, "hsi%d", ether_setup);
3629 case QETH_CARD_TYPE_OSN:
3630 dev = alloc_netdev(0, "osn%d", ether_setup);
3633 dev = alloc_etherdev(0);
3638 /*hard_header fake function; used in case fake_ll is set */
3640 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3641 unsigned short type, void *daddr, void *saddr,
3644 if(dev->type == ARPHRD_IEEE802_TR){
3645 struct trh_hdr *hdr;
3646 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3647 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3648 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3649 return QETH_FAKE_LL_LEN_TR;
3653 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3654 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3655 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3656 if (type != ETH_P_802_3)
3657 hdr->h_proto = htons(type);
3659 hdr->h_proto = htons(len);
3660 return QETH_FAKE_LL_LEN_ETH;
3666 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3669 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3672 struct qeth_card *card;
3674 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3675 card = (struct qeth_card *)dev->priv;
3677 card->stats.tx_dropped++;
3678 card->stats.tx_errors++;
3679 /* return OK; otherwise ksoftirqd goes to 100% */
3680 return NETDEV_TX_OK;
3682 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3683 card->stats.tx_dropped++;
3684 card->stats.tx_errors++;
3685 card->stats.tx_carrier_errors++;
3686 dev_kfree_skb_any(skb);
3687 /* return OK; otherwise ksoftirqd goes to 100% */
3688 return NETDEV_TX_OK;
3690 #ifdef CONFIG_QETH_PERF_STATS
3691 card->perf_stats.outbound_cnt++;
3692 card->perf_stats.outbound_start_time = qeth_get_micros();
3694 netif_stop_queue(dev);
3695 if ((rc = qeth_send_packet(card, skb))) {
3697 return NETDEV_TX_BUSY;
3699 card->stats.tx_errors++;
3700 card->stats.tx_dropped++;
3701 dev_kfree_skb_any(skb);
3702 /*set to OK; otherwise ksoftirqd goes to 100% */
3706 netif_wake_queue(dev);
3707 #ifdef CONFIG_QETH_PERF_STATS
3708 card->perf_stats.outbound_time += qeth_get_micros() -
3709 card->perf_stats.outbound_start_time;
3715 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3718 #ifdef CONFIG_QETH_VLAN
3719 struct vlan_group *vg;
3722 if (!(vg = card->vlangrp))
3725 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3726 if (vg->vlan_devices[i] == dev){
3727 rc = QETH_VLAN_CARD;
3731 if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3739 qeth_verify_dev(struct net_device *dev)
3741 struct qeth_card *card;
3742 unsigned long flags;
3745 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3746 list_for_each_entry(card, &qeth_card_list.list, list){
3747 if (card->dev == dev){
3748 rc = QETH_REAL_CARD;
3751 rc = qeth_verify_vlan_dev(dev, card);
3755 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3760 static struct qeth_card *
3761 qeth_get_card_from_dev(struct net_device *dev)
3763 struct qeth_card *card = NULL;
3766 rc = qeth_verify_dev(dev);
3767 if (rc == QETH_REAL_CARD)
3768 card = (struct qeth_card *)dev->priv;
3769 else if (rc == QETH_VLAN_CARD)
3770 card = (struct qeth_card *)
3771 VLAN_DEV_INFO(dev)->real_dev->priv;
3773 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3778 qeth_tx_timeout(struct net_device *dev)
3780 struct qeth_card *card;
3782 card = (struct qeth_card *) dev->priv;
3783 card->stats.tx_errors++;
3784 qeth_schedule_recovery(card);
3788 qeth_open(struct net_device *dev)
3790 struct qeth_card *card;
3792 QETH_DBF_TEXT(trace, 4, "qethopen");
3794 card = (struct qeth_card *) dev->priv;
3796 if (card->state != CARD_STATE_SOFTSETUP)
3799 if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3800 (card->options.layer2) &&
3801 (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3802 QETH_DBF_TEXT(trace,4,"nomacadr");
3805 card->data.state = CH_STATE_UP;
3806 card->state = CARD_STATE_UP;
3807 card->dev->flags |= IFF_UP;
3808 netif_start_queue(dev);
3810 if (!card->lan_online && netif_carrier_ok(dev))
3811 netif_carrier_off(dev);
3816 qeth_stop(struct net_device *dev)
3818 struct qeth_card *card;
3820 QETH_DBF_TEXT(trace, 4, "qethstop");
3822 card = (struct qeth_card *) dev->priv;
3824 netif_tx_disable(dev);
3825 card->dev->flags &= ~IFF_UP;
3826 if (card->state == CARD_STATE_UP)
3827 card->state = CARD_STATE_SOFTSETUP;
3832 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3834 int cast_type = RTN_UNSPEC;
3836 if (card->info.type == QETH_CARD_TYPE_OSN)
3839 if (skb->dst && skb->dst->neighbour){
3840 cast_type = skb->dst->neighbour->type;
3841 if ((cast_type == RTN_BROADCAST) ||
3842 (cast_type == RTN_MULTICAST) ||
3843 (cast_type == RTN_ANYCAST))
3848 /* try something else */
3849 if (skb->protocol == ETH_P_IPV6)
3850 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3851 else if (skb->protocol == ETH_P_IP)
3852 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3854 if (!memcmp(skb->data, skb->dev->broadcast, 6))
3855 return RTN_BROADCAST;
3859 hdr_mac = *((u16 *)skb->data);
3861 switch (card->info.link_type) {
3862 case QETH_LINK_TYPE_HSTR:
3863 case QETH_LINK_TYPE_LANE_TR:
3864 if ((hdr_mac == QETH_TR_MAC_NC) ||
3865 (hdr_mac == QETH_TR_MAC_C))
3866 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;
4422 int tx_bytes = skb->len;
4423 unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
4424 unsigned short tso_size = skb_shinfo(skb)->gso_size;
4427 QETH_DBF_TEXT(trace, 6, "sendpkt");
4429 if (!card->options.layer2) {
4430 ipv = qeth_get_ip_version(skb);
4431 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4432 if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) {
4433 card->stats.tx_dropped++;
4434 dev_kfree_skb_irq(skb);
4437 if(card->dev->type == ARPHRD_IEEE802_TR){
4438 skb_pull(skb, QETH_FAKE_LL_LEN_TR);
4440 skb_pull(skb, QETH_FAKE_LL_LEN_ETH);
4444 if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4445 (skb->protocol == htons(ETH_P_IPV6))) {
4446 dev_kfree_skb_any(skb);
4449 cast_type = qeth_get_cast_type(card, skb);
4450 if ((cast_type == RTN_BROADCAST) &&
4451 (card->info.broadcast_capable == 0)){
4452 card->stats.tx_dropped++;
4453 card->stats.tx_errors++;
4454 dev_kfree_skb_any(skb);
4455 return NETDEV_TX_OK;
4457 queue = card->qdio.out_qs
4458 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4460 if (skb_shinfo(skb)->gso_size)
4461 large_send = card->options.large_send;
4463 /*are we able to do TSO ? If so ,prepare and send it from here */
4464 if ((large_send == QETH_LARGE_SEND_TSO) &&
4465 (cast_type == RTN_UNSPEC)) {
4466 rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type);
4468 card->stats.tx_dropped++;
4469 card->stats.tx_errors++;
4470 dev_kfree_skb_any(skb);
4471 return NETDEV_TX_OK;
4475 if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) {
4476 QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc);
4479 if (card->info.type != QETH_CARD_TYPE_OSN)
4480 qeth_fill_header(card, hdr, skb, ipv, cast_type);
4483 if (large_send == QETH_LARGE_SEND_EDDP) {
4484 ctx = qeth_eddp_create_context(card, skb, hdr);
4486 PRINT_WARN("could not create eddp context\n");
4490 int elems = qeth_get_elements_no(card,(void*) hdr, skb,
4494 elements_needed += elems;
4497 if (card->info.type != QETH_CARD_TYPE_IQD)
4498 rc = qeth_do_send_packet(card, queue, skb, hdr,
4499 elements_needed, ctx);
4501 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
4502 elements_needed, ctx);
4504 card->stats.tx_packets++;
4505 card->stats.tx_bytes += tx_bytes;
4506 #ifdef CONFIG_QETH_PERF_STATS
4508 !(large_send == QETH_LARGE_SEND_NO)) {
4509 card->perf_stats.large_send_bytes += tx_bytes;
4510 card->perf_stats.large_send_cnt++;
4513 card->perf_stats.sg_skbs_sent++;
4514 /* nr_frags + skb->data */
4515 card->perf_stats.sg_frags_sent +=
4518 #endif /* CONFIG_QETH_PERF_STATS */
4521 /* drop creator's reference */
4522 qeth_eddp_put_context(ctx);
4523 /* free skb; it's not referenced by a buffer */
4525 dev_kfree_skb_any(skb);
4532 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4534 struct qeth_card *card = (struct qeth_card *) dev->priv;
4538 case MII_BMCR: /* Basic mode control register */
4540 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4541 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4542 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4543 rc |= BMCR_SPEED100;
4545 case MII_BMSR: /* Basic mode status register */
4546 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4547 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4550 case MII_PHYSID1: /* PHYS ID 1 */
4551 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4553 rc = (rc >> 5) & 0xFFFF;
4555 case MII_PHYSID2: /* PHYS ID 2 */
4556 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4558 case MII_ADVERTISE: /* Advertisement control reg */
4561 case MII_LPA: /* Link partner ability reg */
4562 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4563 LPA_100BASE4 | LPA_LPACK;
4565 case MII_EXPANSION: /* Expansion register */
4567 case MII_DCOUNTER: /* disconnect counter */
4569 case MII_FCSCOUNTER: /* false carrier counter */
4571 case MII_NWAYTEST: /* N-way auto-neg test register */
4573 case MII_RERRCOUNTER: /* rx error counter */
4574 rc = card->stats.rx_errors;
4576 case MII_SREVISION: /* silicon revision */
4578 case MII_RESV1: /* reserved 1 */
4580 case MII_LBRERROR: /* loopback, rx, bypass error */
4582 case MII_PHYADDR: /* physical address */
4584 case MII_RESV2: /* reserved 2 */
4586 case MII_TPISTATUS: /* TPI status for 10mbps */
4588 case MII_NCONFIG: /* network interface config */
4597 static inline const char *
4598 qeth_arp_get_error_cause(int *rc)
4601 case QETH_IPA_ARP_RC_FAILED:
4603 return "operation failed";
4604 case QETH_IPA_ARP_RC_NOTSUPP:
4606 return "operation not supported";
4607 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4609 return "argument out of range";
4610 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4612 return "query operation not supported";
4613 case QETH_IPA_ARP_RC_Q_NO_DATA:
4615 return "no query data available";
4617 return "unknown error";
4622 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4626 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4631 QETH_DBF_TEXT(trace,3,"arpstnoe");
4634 * currently GuestLAN only supports the ARP assist function
4635 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4636 * thus we say EOPNOTSUPP for this ARP function
4638 if (card->info.guestlan)
4640 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4641 PRINT_WARN("ARP processing not supported "
4642 "on %s!\n", QETH_CARD_IFNAME(card));
4645 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4646 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4650 PRINT_WARN("Could not set number of ARP entries on %s: "
4652 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4659 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4660 struct qeth_arp_query_data *qdata,
4661 int entry_size, int uentry_size)
4667 entry_ptr = (char *)&qdata->data;
4668 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4669 for (i = 0; i < qdata->no_entries; ++i){
4670 /* strip off 32 bytes "media specific information" */
4671 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4672 entry_ptr += entry_size;
4673 uentry_ptr += uentry_size;
4678 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4681 struct qeth_ipa_cmd *cmd;
4682 struct qeth_arp_query_data *qdata;
4683 struct qeth_arp_query_info *qinfo;
4688 QETH_DBF_TEXT(trace,4,"arpquecb");
4690 qinfo = (struct qeth_arp_query_info *) reply->param;
4691 cmd = (struct qeth_ipa_cmd *) data;
4692 if (cmd->hdr.return_code) {
4693 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4696 if (cmd->data.setassparms.hdr.return_code) {
4697 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4698 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4701 qdata = &cmd->data.setassparms.data.query_arp;
4702 switch(qdata->reply_bits){
4704 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4705 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4706 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4709 /* fall through to default */
4711 /* tr is the same as eth -> entry7 */
4712 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4713 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4714 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4717 /* check if there is enough room in userspace */
4718 if ((qinfo->udata_len - qinfo->udata_offset) <
4719 qdata->no_entries * uentry_size){
4720 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4721 cmd->hdr.return_code = -ENOMEM;
4722 PRINT_WARN("query ARP user space buffer is too small for "
4723 "the returned number of ARP entries. "
4724 "Aborting query!\n");
4727 QETH_DBF_TEXT_(trace, 4, "anore%i",
4728 cmd->data.setassparms.hdr.number_of_replies);
4729 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4730 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4732 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4733 /* strip off "media specific information" */
4734 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4737 /*copy entries to user buffer*/
4738 memcpy(qinfo->udata + qinfo->udata_offset,
4739 (char *)&qdata->data, qdata->no_entries*uentry_size);
4741 qinfo->no_entries += qdata->no_entries;
4742 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4743 /* check if all replies received ... */
4744 if (cmd->data.setassparms.hdr.seq_no <
4745 cmd->data.setassparms.hdr.number_of_replies)
4747 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4748 /* keep STRIP_ENTRIES flag so the user program can distinguish
4749 * stripped entries from normal ones */
4750 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4751 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4752 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4756 memcpy(qinfo->udata, &i, 4);
4761 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4762 int len, int (*reply_cb)(struct qeth_card *,
4763 struct qeth_reply *,
4767 QETH_DBF_TEXT(trace,4,"sendarp");
4769 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4770 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4771 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4772 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4773 reply_cb, reply_param);
4777 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4778 int len, int (*reply_cb)(struct qeth_card *,
4779 struct qeth_reply *,
4785 QETH_DBF_TEXT(trace,4,"sendsnmp");
4787 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4788 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4789 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4790 /* adjust PDU length fields in IPA_PDU_HEADER */
4791 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4793 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4794 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4795 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4796 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4797 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4798 reply_cb, reply_param);
4801 static struct qeth_cmd_buffer *
4802 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4803 __u16, __u16, enum qeth_prot_versions);
4805 qeth_arp_query(struct qeth_card *card, char *udata)
4807 struct qeth_cmd_buffer *iob;
4808 struct qeth_arp_query_info qinfo = {0, };
4812 QETH_DBF_TEXT(trace,3,"arpquery");
4814 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4815 IPA_ARP_PROCESSING)) {
4816 PRINT_WARN("ARP processing not supported "
4817 "on %s!\n", QETH_CARD_IFNAME(card));
4820 /* get size of userspace buffer and mask_bits -> 6 bytes */
4821 if (copy_from_user(&qinfo, udata, 6))
4823 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
4825 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4826 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4827 IPA_CMD_ASS_ARP_QUERY_INFO,
4828 sizeof(int),QETH_PROT_IPV4);
4830 rc = qeth_send_ipa_arp_cmd(card, iob,
4831 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4832 qeth_arp_query_cb, (void *)&qinfo);
4835 PRINT_WARN("Error while querying ARP cache on %s: %s "
4837 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4839 copy_to_user(udata, qinfo.udata, 4);
4841 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4848 * SNMP command callback
4851 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4852 unsigned long sdata)
4854 struct qeth_ipa_cmd *cmd;
4855 struct qeth_arp_query_info *qinfo;
4856 struct qeth_snmp_cmd *snmp;
4857 unsigned char *data;
4860 QETH_DBF_TEXT(trace,3,"snpcmdcb");
4862 cmd = (struct qeth_ipa_cmd *) sdata;
4863 data = (unsigned char *)((char *)cmd - reply->offset);
4864 qinfo = (struct qeth_arp_query_info *) reply->param;
4865 snmp = &cmd->data.setadapterparms.data.snmp;
4867 if (cmd->hdr.return_code) {
4868 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4871 if (cmd->data.setadapterparms.hdr.return_code) {
4872 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4873 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4876 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4877 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4878 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4880 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4882 /* check if there is enough room in userspace */
4883 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4884 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4885 cmd->hdr.return_code = -ENOMEM;
4888 QETH_DBF_TEXT_(trace, 4, "snore%i",
4889 cmd->data.setadapterparms.hdr.used_total);
4890 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4891 /*copy entries to user buffer*/
4892 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4893 memcpy(qinfo->udata + qinfo->udata_offset,
4895 data_len + offsetof(struct qeth_snmp_cmd,data));
4896 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4898 memcpy(qinfo->udata + qinfo->udata_offset,
4899 (char *)&snmp->request, data_len);
4901 qinfo->udata_offset += data_len;
4902 /* check if all replies received ... */
4903 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4904 cmd->data.setadapterparms.hdr.used_total);
4905 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4906 cmd->data.setadapterparms.hdr.seq_no);
4907 if (cmd->data.setadapterparms.hdr.seq_no <
4908 cmd->data.setadapterparms.hdr.used_total)
4913 static struct qeth_cmd_buffer *
4914 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4915 enum qeth_prot_versions );
4917 static struct qeth_cmd_buffer *
4918 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4920 struct qeth_cmd_buffer *iob;
4921 struct qeth_ipa_cmd *cmd;
4923 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4925 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4926 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4927 cmd->data.setadapterparms.hdr.command_code = command;
4928 cmd->data.setadapterparms.hdr.used_total = 1;
4929 cmd->data.setadapterparms.hdr.seq_no = 1;
4935 * function to send SNMP commands to OSA-E card
4938 qeth_snmp_command(struct qeth_card *card, char *udata)
4940 struct qeth_cmd_buffer *iob;
4941 struct qeth_ipa_cmd *cmd;
4942 struct qeth_snmp_ureq *ureq;
4944 struct qeth_arp_query_info qinfo = {0, };
4947 QETH_DBF_TEXT(trace,3,"snmpcmd");
4949 if (card->info.guestlan)
4952 if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4953 (!card->options.layer2) ) {
4954 PRINT_WARN("SNMP Query MIBS not supported "
4955 "on %s!\n", QETH_CARD_IFNAME(card));
4958 /* skip 4 bytes (data_len struct member) to get req_len */
4959 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4961 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4963 QETH_DBF_TEXT(trace, 2, "snmpnome");
4966 if (copy_from_user(ureq, udata,
4967 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4971 qinfo.udata_len = ureq->hdr.data_len;
4972 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
4976 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4978 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4979 QETH_SNMP_SETADP_CMDLENGTH + req_len);
4980 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4981 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4982 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4983 qeth_snmp_command_cb, (void *)&qinfo);
4985 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4986 QETH_CARD_IFNAME(card), rc);
4988 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4996 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
5000 qeth_default_setadapterparms_cb(struct qeth_card *card,
5001 struct qeth_reply *reply,
5002 unsigned long data);
5004 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5007 (struct qeth_card *, struct qeth_reply *, unsigned long),
5011 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5013 struct qeth_cmd_buffer *iob;
5018 QETH_DBF_TEXT(trace,3,"arpadent");
5021 * currently GuestLAN only supports the ARP assist function
5022 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5023 * thus we say EOPNOTSUPP for this ARP function
5025 if (card->info.guestlan)
5027 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5028 PRINT_WARN("ARP processing not supported "
5029 "on %s!\n", QETH_CARD_IFNAME(card));
5033 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5034 IPA_CMD_ASS_ARP_ADD_ENTRY,
5035 sizeof(struct qeth_arp_cache_entry),
5037 rc = qeth_send_setassparms(card, iob,
5038 sizeof(struct qeth_arp_cache_entry),
5039 (unsigned long) entry,
5040 qeth_default_setassparms_cb, NULL);
5043 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5044 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5046 buf, QETH_CARD_IFNAME(card),
5047 qeth_arp_get_error_cause(&rc), tmp, tmp);
5053 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5055 struct qeth_cmd_buffer *iob;
5056 char buf[16] = {0, };
5060 QETH_DBF_TEXT(trace,3,"arprment");
5063 * currently GuestLAN only supports the ARP assist function
5064 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5065 * thus we say EOPNOTSUPP for this ARP function
5067 if (card->info.guestlan)
5069 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5070 PRINT_WARN("ARP processing not supported "
5071 "on %s!\n", QETH_CARD_IFNAME(card));
5074 memcpy(buf, entry, 12);
5075 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5076 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5079 rc = qeth_send_setassparms(card, iob,
5080 12, (unsigned long)buf,
5081 qeth_default_setassparms_cb, NULL);
5085 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5086 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5088 buf, QETH_CARD_IFNAME(card),
5089 qeth_arp_get_error_cause(&rc), tmp, tmp);
5095 qeth_arp_flush_cache(struct qeth_card *card)
5100 QETH_DBF_TEXT(trace,3,"arpflush");
5103 * currently GuestLAN only supports the ARP assist function
5104 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5105 * thus we say EOPNOTSUPP for this ARP function
5107 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5109 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5110 PRINT_WARN("ARP processing not supported "
5111 "on %s!\n", QETH_CARD_IFNAME(card));
5114 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5115 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5118 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5119 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5126 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5128 struct qeth_card *card = (struct qeth_card *)dev->priv;
5129 struct qeth_arp_cache_entry arp_entry;
5130 struct mii_ioctl_data *mii_data;
5136 if ((card->state != CARD_STATE_UP) &&
5137 (card->state != CARD_STATE_SOFTSETUP))
5140 if (card->info.type == QETH_CARD_TYPE_OSN)
5144 case SIOC_QETH_ARP_SET_NO_ENTRIES:
5145 if ( !capable(CAP_NET_ADMIN) ||
5146 (card->options.layer2) ) {
5150 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5152 case SIOC_QETH_ARP_QUERY_INFO:
5153 if ( !capable(CAP_NET_ADMIN) ||
5154 (card->options.layer2) ) {
5158 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5160 case SIOC_QETH_ARP_ADD_ENTRY:
5161 if ( !capable(CAP_NET_ADMIN) ||
5162 (card->options.layer2) ) {
5166 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5167 sizeof(struct qeth_arp_cache_entry)))
5170 rc = qeth_arp_add_entry(card, &arp_entry);
5172 case SIOC_QETH_ARP_REMOVE_ENTRY:
5173 if ( !capable(CAP_NET_ADMIN) ||
5174 (card->options.layer2) ) {
5178 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5179 sizeof(struct qeth_arp_cache_entry)))
5182 rc = qeth_arp_remove_entry(card, &arp_entry);
5184 case SIOC_QETH_ARP_FLUSH_CACHE:
5185 if ( !capable(CAP_NET_ADMIN) ||
5186 (card->options.layer2) ) {
5190 rc = qeth_arp_flush_cache(card);
5192 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5193 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5195 case SIOC_QETH_GET_CARD_TYPE:
5196 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5197 !card->info.guestlan)
5202 mii_data = if_mii(rq);
5203 mii_data->phy_id = 0;
5206 mii_data = if_mii(rq);
5207 if (mii_data->phy_id != 0)
5210 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5217 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5221 static struct net_device_stats *
5222 qeth_get_stats(struct net_device *dev)
5224 struct qeth_card *card;
5226 card = (struct qeth_card *) (dev->priv);
5228 QETH_DBF_TEXT(trace,5,"getstat");
5230 return &card->stats;
5234 qeth_change_mtu(struct net_device *dev, int new_mtu)
5236 struct qeth_card *card;
5239 card = (struct qeth_card *) (dev->priv);
5241 QETH_DBF_TEXT(trace,4,"chgmtu");
5242 sprintf(dbf_text, "%8x", new_mtu);
5243 QETH_DBF_TEXT(trace,4,dbf_text);
5247 if (new_mtu > 65535)
5249 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5250 (!qeth_mtu_is_valid(card, new_mtu)))
5256 #ifdef CONFIG_QETH_VLAN
5258 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5260 struct qeth_card *card;
5261 unsigned long flags;
5263 QETH_DBF_TEXT(trace,4,"vlanreg");
5265 card = (struct qeth_card *) dev->priv;
5266 spin_lock_irqsave(&card->vlanlock, flags);
5267 card->vlangrp = grp;
5268 spin_unlock_irqrestore(&card->vlanlock, flags);
5272 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5276 struct sk_buff *skb;
5277 struct sk_buff_head tmp_list;
5279 skb_queue_head_init(&tmp_list);
5280 lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key);
5281 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5282 while ((skb = skb_dequeue(&buf->skb_list))){
5283 if (vlan_tx_tag_present(skb) &&
5284 (vlan_tx_tag_get(skb) == vid)) {
5285 atomic_dec(&skb->users);
5288 skb_queue_tail(&tmp_list, skb);
5291 while ((skb = skb_dequeue(&tmp_list)))
5292 skb_queue_tail(&buf->skb_list, skb);
5296 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5300 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5301 for (i = 0; i < card->qdio.no_out_queues; ++i){
5302 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5303 qeth_free_vlan_buffer(card, &card->qdio.
5304 out_qs[i]->bufs[j], vid);
5309 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5311 struct in_device *in_dev;
5312 struct in_ifaddr *ifa;
5313 struct qeth_ipaddr *addr;
5315 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5318 in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
5321 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5322 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5324 addr->u.a4.addr = ifa->ifa_address;
5325 addr->u.a4.mask = ifa->ifa_mask;
5326 addr->type = QETH_IP_TYPE_NORMAL;
5327 if (!qeth_delete_ip(card, addr))
5336 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5338 #ifdef CONFIG_QETH_IPV6
5339 struct inet6_dev *in6_dev;
5340 struct inet6_ifaddr *ifa;
5341 struct qeth_ipaddr *addr;
5343 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5345 in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
5348 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5349 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5351 memcpy(&addr->u.a6.addr, &ifa->addr,
5352 sizeof(struct in6_addr));
5353 addr->u.a6.pfxlen = ifa->prefix_len;
5354 addr->type = QETH_IP_TYPE_NORMAL;
5355 if (!qeth_delete_ip(card, addr))
5359 in6_dev_put(in6_dev);
5360 #endif /* CONFIG_QETH_IPV6 */
5364 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5366 if (card->options.layer2 || !card->vlangrp)
5368 qeth_free_vlan_addresses4(card, vid);
5369 qeth_free_vlan_addresses6(card, vid);
5373 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5374 struct qeth_reply *reply,
5377 struct qeth_ipa_cmd *cmd;
5379 QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5380 cmd = (struct qeth_ipa_cmd *) data;
5381 if (cmd->hdr.return_code) {
5382 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5383 "Continuing\n",cmd->data.setdelvlan.vlan_id,
5384 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5385 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5386 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5387 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5393 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5394 enum qeth_ipa_cmds ipacmd)
5396 struct qeth_ipa_cmd *cmd;
5397 struct qeth_cmd_buffer *iob;
5399 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5400 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5401 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5402 cmd->data.setdelvlan.vlan_id = i;
5403 return qeth_send_ipa_cmd(card, iob,
5404 qeth_layer2_send_setdelvlan_cb, NULL);
5408 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5412 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5416 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5417 if (card->vlangrp->vlan_devices[i] == NULL)
5420 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5422 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5426 /*add_vid is layer 2 used only ....*/
5428 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5430 struct qeth_card *card;
5432 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5434 card = (struct qeth_card *) dev->priv;
5435 if (!card->options.layer2)
5437 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5440 /*... kill_vid used for both modes*/
5442 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5444 struct qeth_card *card;
5445 unsigned long flags;
5447 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5449 card = (struct qeth_card *) dev->priv;
5450 /* free all skbs for the vlan device */
5451 qeth_free_vlan_skbs(card, vid);
5452 spin_lock_irqsave(&card->vlanlock, flags);
5453 /* unregister IP addresses of vlan device */
5454 qeth_free_vlan_addresses(card, vid);
5456 card->vlangrp->vlan_devices[vid] = NULL;
5457 spin_unlock_irqrestore(&card->vlanlock, flags);
5458 if (card->options.layer2)
5459 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5460 qeth_set_multicast_list(card->dev);
5464 * Examine hardware response to SET_PROMISC_MODE
5467 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5468 struct qeth_reply *reply,
5471 struct qeth_ipa_cmd *cmd;
5472 struct qeth_ipacmd_setadpparms *setparms;
5474 QETH_DBF_TEXT(trace,4,"prmadpcb");
5476 cmd = (struct qeth_ipa_cmd *) data;
5477 setparms = &(cmd->data.setadapterparms);
5479 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5480 if (cmd->hdr.return_code) {
5481 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5482 setparms->data.mode = SET_PROMISC_MODE_OFF;
5484 card->info.promisc_mode = setparms->data.mode;
5488 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5491 qeth_setadp_promisc_mode(struct qeth_card *card)
5493 enum qeth_ipa_promisc_modes mode;
5494 struct net_device *dev = card->dev;
5495 struct qeth_cmd_buffer *iob;
5496 struct qeth_ipa_cmd *cmd;
5498 QETH_DBF_TEXT(trace, 4, "setprom");
5500 if (((dev->flags & IFF_PROMISC) &&
5501 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5502 (!(dev->flags & IFF_PROMISC) &&
5503 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5505 mode = SET_PROMISC_MODE_OFF;
5506 if (dev->flags & IFF_PROMISC)
5507 mode = SET_PROMISC_MODE_ON;
5508 QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5510 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5511 sizeof(struct qeth_ipacmd_setadpparms));
5512 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5513 cmd->data.setadapterparms.data.mode = mode;
5514 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5518 * set multicast address on card
5521 qeth_set_multicast_list(struct net_device *dev)
5523 struct qeth_card *card = (struct qeth_card *) dev->priv;
5525 if (card->info.type == QETH_CARD_TYPE_OSN)
5528 QETH_DBF_TEXT(trace, 3, "setmulti");
5529 qeth_delete_mc_addresses(card);
5530 if (card->options.layer2) {
5531 qeth_layer2_add_multicast(card);
5534 qeth_add_multicast_ipv4(card);
5535 #ifdef CONFIG_QETH_IPV6
5536 qeth_add_multicast_ipv6(card);
5539 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5540 schedule_work(&card->kernel_thread_starter);
5541 if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5543 if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
5544 schedule_work(&card->kernel_thread_starter);
5548 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5554 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5556 if (dev->type == ARPHRD_IEEE802_TR)
5557 ip_tr_mc_map(ipm, mac);
5559 ip_eth_mc_map(ipm, mac);
5562 static struct qeth_ipaddr *
5563 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5565 struct qeth_ipaddr *addr;
5567 addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5569 PRINT_WARN("Not enough memory to add address\n");
5572 addr->type = QETH_IP_TYPE_NORMAL;
5578 qeth_osn_assist(struct net_device *dev,
5582 struct qeth_cmd_buffer *iob;
5583 struct qeth_card *card;
5586 QETH_DBF_TEXT(trace, 2, "osnsdmc");
5589 card = (struct qeth_card *)dev->priv;
5592 if ((card->state != CARD_STATE_UP) &&
5593 (card->state != CARD_STATE_SOFTSETUP))
5595 iob = qeth_wait_for_buffer(&card->write);
5596 memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5597 rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5601 static struct net_device *
5602 qeth_netdev_by_devno(unsigned char *read_dev_no)
5604 struct qeth_card *card;
5605 struct net_device *ndev;
5606 unsigned char *readno;
5607 __u16 temp_dev_no, card_dev_no;
5609 unsigned long flags;
5612 memcpy(&temp_dev_no, read_dev_no, 2);
5613 read_lock_irqsave(&qeth_card_list.rwlock, flags);
5614 list_for_each_entry(card, &qeth_card_list.list, list) {
5615 readno = CARD_RDEV_ID(card);
5616 readno += (strlen(readno) - 4);
5617 card_dev_no = simple_strtoul(readno, &endp, 16);
5618 if (card_dev_no == temp_dev_no) {
5623 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5628 qeth_osn_register(unsigned char *read_dev_no,
5629 struct net_device **dev,
5630 int (*assist_cb)(struct net_device *, void *),
5631 int (*data_cb)(struct sk_buff *))
5633 struct qeth_card * card;
5635 QETH_DBF_TEXT(trace, 2, "osnreg");
5636 *dev = qeth_netdev_by_devno(read_dev_no);
5639 card = (struct qeth_card *)(*dev)->priv;
5642 if ((assist_cb == NULL) || (data_cb == NULL))
5644 card->osn_info.assist_cb = assist_cb;
5645 card->osn_info.data_cb = data_cb;
5650 qeth_osn_deregister(struct net_device * dev)
5652 struct qeth_card *card;
5654 QETH_DBF_TEXT(trace, 2, "osndereg");
5657 card = (struct qeth_card *)dev->priv;
5660 card->osn_info.assist_cb = NULL;
5661 card->osn_info.data_cb = NULL;
5666 qeth_delete_mc_addresses(struct qeth_card *card)
5668 struct qeth_ipaddr *iptodo;
5669 unsigned long flags;
5671 QETH_DBF_TEXT(trace,4,"delmc");
5672 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5674 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5677 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5678 spin_lock_irqsave(&card->ip_lock, flags);
5679 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5681 spin_unlock_irqrestore(&card->ip_lock, flags);
5685 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5687 struct qeth_ipaddr *ipm;
5688 struct ip_mc_list *im4;
5689 char buf[MAX_ADDR_LEN];
5691 QETH_DBF_TEXT(trace,4,"addmc");
5692 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5693 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5694 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5697 ipm->u.a4.addr = im4->multiaddr;
5698 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5699 ipm->is_multicast = 1;
5700 if (!qeth_add_ip(card,ipm))
5706 qeth_add_vlan_mc(struct qeth_card *card)
5708 #ifdef CONFIG_QETH_VLAN
5709 struct in_device *in_dev;
5710 struct vlan_group *vg;
5713 QETH_DBF_TEXT(trace,4,"addmcvl");
5714 if ( ((card->options.layer2 == 0) &&
5715 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5716 (card->vlangrp == NULL) )
5720 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5721 if (vg->vlan_devices[i] == NULL ||
5722 !(vg->vlan_devices[i]->flags & IFF_UP))
5724 in_dev = in_dev_get(vg->vlan_devices[i]);
5727 read_lock(&in_dev->mc_list_lock);
5728 qeth_add_mc(card,in_dev);
5729 read_unlock(&in_dev->mc_list_lock);
5736 qeth_add_multicast_ipv4(struct qeth_card *card)
5738 struct in_device *in4_dev;
5740 QETH_DBF_TEXT(trace,4,"chkmcv4");
5741 in4_dev = in_dev_get(card->dev);
5742 if (in4_dev == NULL)
5744 read_lock(&in4_dev->mc_list_lock);
5745 qeth_add_mc(card, in4_dev);
5746 qeth_add_vlan_mc(card);
5747 read_unlock(&in4_dev->mc_list_lock);
5748 in_dev_put(in4_dev);
5752 qeth_layer2_add_multicast(struct qeth_card *card)
5754 struct qeth_ipaddr *ipm;
5755 struct dev_mc_list *dm;
5757 QETH_DBF_TEXT(trace,4,"L2addmc");
5758 for (dm = card->dev->mc_list; dm; dm = dm->next) {
5759 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5762 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5763 ipm->is_multicast = 1;
5764 if (!qeth_add_ip(card, ipm))
5769 #ifdef CONFIG_QETH_IPV6
5771 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5773 struct qeth_ipaddr *ipm;
5774 struct ifmcaddr6 *im6;
5775 char buf[MAX_ADDR_LEN];
5777 QETH_DBF_TEXT(trace,4,"addmc6");
5778 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5779 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5780 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5783 ipm->is_multicast = 1;
5784 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5785 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5786 sizeof(struct in6_addr));
5787 if (!qeth_add_ip(card,ipm))
5793 qeth_add_vlan_mc6(struct qeth_card *card)
5795 #ifdef CONFIG_QETH_VLAN
5796 struct inet6_dev *in_dev;
5797 struct vlan_group *vg;
5800 QETH_DBF_TEXT(trace,4,"admc6vl");
5801 if ( ((card->options.layer2 == 0) &&
5802 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5803 (card->vlangrp == NULL))
5807 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5808 if (vg->vlan_devices[i] == NULL ||
5809 !(vg->vlan_devices[i]->flags & IFF_UP))
5811 in_dev = in6_dev_get(vg->vlan_devices[i]);
5814 read_lock(&in_dev->lock);
5815 qeth_add_mc6(card,in_dev);
5816 read_unlock(&in_dev->lock);
5817 in6_dev_put(in_dev);
5819 #endif /* CONFIG_QETH_VLAN */
5823 qeth_add_multicast_ipv6(struct qeth_card *card)
5825 struct inet6_dev *in6_dev;
5827 QETH_DBF_TEXT(trace,4,"chkmcv6");
5828 if (!qeth_is_supported(card, IPA_IPV6))
5830 in6_dev = in6_dev_get(card->dev);
5831 if (in6_dev == NULL)
5833 read_lock(&in6_dev->lock);
5834 qeth_add_mc6(card, in6_dev);
5835 qeth_add_vlan_mc6(card);
5836 read_unlock(&in6_dev->lock);
5837 in6_dev_put(in6_dev);
5839 #endif /* CONFIG_QETH_IPV6 */
5842 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5843 enum qeth_ipa_cmds ipacmd,
5844 int (*reply_cb) (struct qeth_card *,
5848 struct qeth_ipa_cmd *cmd;
5849 struct qeth_cmd_buffer *iob;
5851 QETH_DBF_TEXT(trace, 2, "L2sdmac");
5852 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5853 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5854 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5855 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5856 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5860 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5861 struct qeth_reply *reply,
5864 struct qeth_ipa_cmd *cmd;
5867 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5868 cmd = (struct qeth_ipa_cmd *) data;
5869 mac = &cmd->data.setdelmac.mac[0];
5870 /* MAC already registered, needed in couple/uncouple case */
5871 if (cmd->hdr.return_code == 0x2005) {
5872 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5873 "already existing on %s \n",
5874 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5875 QETH_CARD_IFNAME(card));
5876 cmd->hdr.return_code = 0;
5878 if (cmd->hdr.return_code)
5879 PRINT_ERR("Could not set group MAC " \
5880 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5881 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5882 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5887 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5889 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5890 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5891 qeth_layer2_send_setgroupmac_cb);
5895 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5896 struct qeth_reply *reply,
5899 struct qeth_ipa_cmd *cmd;
5902 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5903 cmd = (struct qeth_ipa_cmd *) data;
5904 mac = &cmd->data.setdelmac.mac[0];
5905 if (cmd->hdr.return_code)
5906 PRINT_ERR("Could not delete group MAC " \
5907 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5908 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5909 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5914 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5916 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5917 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5918 qeth_layer2_send_delgroupmac_cb);
5922 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5923 struct qeth_reply *reply,
5926 struct qeth_ipa_cmd *cmd;
5928 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5929 cmd = (struct qeth_ipa_cmd *) data;
5930 if (cmd->hdr.return_code) {
5931 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5932 PRINT_WARN("Error in registering MAC address on " \
5933 "device %s: x%x\n", CARD_BUS_ID(card),
5934 cmd->hdr.return_code);
5935 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5936 cmd->hdr.return_code = -EIO;
5938 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5939 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5941 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5942 "successfully registered on device %s\n",
5943 card->dev->dev_addr[0], card->dev->dev_addr[1],
5944 card->dev->dev_addr[2], card->dev->dev_addr[3],
5945 card->dev->dev_addr[4], card->dev->dev_addr[5],
5952 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5954 QETH_DBF_TEXT(trace, 2, "L2Setmac");
5955 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5956 qeth_layer2_send_setmac_cb);
5960 qeth_layer2_send_delmac_cb(struct qeth_card *card,
5961 struct qeth_reply *reply,
5964 struct qeth_ipa_cmd *cmd;
5966 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
5967 cmd = (struct qeth_ipa_cmd *) data;
5968 if (cmd->hdr.return_code) {
5969 PRINT_WARN("Error in deregistering MAC address on " \
5970 "device %s: x%x\n", CARD_BUS_ID(card),
5971 cmd->hdr.return_code);
5972 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5973 cmd->hdr.return_code = -EIO;
5976 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5981 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
5983 QETH_DBF_TEXT(trace, 2, "L2Delmac");
5984 if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
5986 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
5987 qeth_layer2_send_delmac_cb);
5991 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5993 struct sockaddr *addr = p;
5994 struct qeth_card *card;
5997 QETH_DBF_TEXT(trace, 3, "setmac");
5999 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
6000 QETH_DBF_TEXT(trace, 3, "setmcINV");
6003 card = (struct qeth_card *) dev->priv;
6005 if (!card->options.layer2) {
6006 PRINT_WARN("Setting MAC address on %s is not supported "
6007 "in Layer 3 mode.\n", dev->name);
6008 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6011 if (card->info.type == QETH_CARD_TYPE_OSN) {
6012 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6014 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6017 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6018 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6019 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6021 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6026 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6027 __u8 command, enum qeth_prot_versions prot)
6029 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6030 cmd->hdr.command = command;
6031 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6032 cmd->hdr.seqno = card->seqno.ipa;
6033 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6034 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6035 if (card->options.layer2)
6036 cmd->hdr.prim_version_no = 2;
6038 cmd->hdr.prim_version_no = 1;
6039 cmd->hdr.param_count = 1;
6040 cmd->hdr.prot_version = prot;
6041 cmd->hdr.ipa_supported = 0;
6042 cmd->hdr.ipa_enabled = 0;
6045 static struct qeth_cmd_buffer *
6046 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6047 enum qeth_prot_versions prot)
6049 struct qeth_cmd_buffer *iob;
6050 struct qeth_ipa_cmd *cmd;
6052 iob = qeth_wait_for_buffer(&card->write);
6053 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6054 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6060 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6063 struct qeth_cmd_buffer *iob;
6064 struct qeth_ipa_cmd *cmd;
6066 QETH_DBF_TEXT(trace,4,"setdelmc");
6068 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6069 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6070 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6071 if (addr->proto == QETH_PROT_IPV6)
6072 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6073 sizeof(struct in6_addr));
6075 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6077 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6082 qeth_fill_netmask(u8 *netmask, unsigned int len)
6085 for (i=0;i<16;i++) {
6090 netmask[i] = (u8)(0xFF00>>j);
6097 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6098 int ipacmd, unsigned int flags)
6101 struct qeth_cmd_buffer *iob;
6102 struct qeth_ipa_cmd *cmd;
6105 QETH_DBF_TEXT(trace,4,"setdelip");
6106 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6108 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6109 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6110 if (addr->proto == QETH_PROT_IPV6) {
6111 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6112 sizeof(struct in6_addr));
6113 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6114 memcpy(cmd->data.setdelip6.mask, netmask,
6115 sizeof(struct in6_addr));
6116 cmd->data.setdelip6.flags = flags;
6118 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6119 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6120 cmd->data.setdelip4.flags = flags;
6123 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6129 qeth_layer2_register_addr_entry(struct qeth_card *card,
6130 struct qeth_ipaddr *addr)
6132 if (!addr->is_multicast)
6134 QETH_DBF_TEXT(trace, 2, "setgmac");
6135 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6136 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6140 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6141 struct qeth_ipaddr *addr)
6143 if (!addr->is_multicast)
6145 QETH_DBF_TEXT(trace, 2, "delgmac");
6146 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6147 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6151 qeth_layer3_register_addr_entry(struct qeth_card *card,
6152 struct qeth_ipaddr *addr)
6158 if (addr->proto == QETH_PROT_IPV4) {
6159 QETH_DBF_TEXT(trace, 2,"setaddr4");
6160 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6161 } else if (addr->proto == QETH_PROT_IPV6) {
6162 QETH_DBF_TEXT(trace, 2, "setaddr6");
6163 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6164 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6166 QETH_DBF_TEXT(trace, 2, "setaddr?");
6167 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6170 if (addr->is_multicast)
6171 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6173 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6176 QETH_DBF_TEXT(trace, 2, "failed");
6177 } while ((--cnt > 0) && rc);
6179 QETH_DBF_TEXT(trace, 2, "FAILED");
6180 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6181 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6188 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6189 struct qeth_ipaddr *addr)
6194 if (addr->proto == QETH_PROT_IPV4) {
6195 QETH_DBF_TEXT(trace, 2,"deladdr4");
6196 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6197 } else if (addr->proto == QETH_PROT_IPV6) {
6198 QETH_DBF_TEXT(trace, 2, "deladdr6");
6199 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6200 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6202 QETH_DBF_TEXT(trace, 2, "deladdr?");
6203 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6205 if (addr->is_multicast)
6206 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6208 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6211 QETH_DBF_TEXT(trace, 2, "failed");
6212 /* TODO: re-activate this warning as soon as we have a
6214 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6215 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6223 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6225 if (card->options.layer2)
6226 return qeth_layer2_register_addr_entry(card, addr);
6228 return qeth_layer3_register_addr_entry(card, addr);
6232 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6234 if (card->options.layer2)
6235 return qeth_layer2_deregister_addr_entry(card, addr);
6237 return qeth_layer3_deregister_addr_entry(card, addr);
6241 qeth_ethtool_get_tx_csum(struct net_device *dev)
6243 /* We may need to say that we support tx csum offload if
6244 * we do EDDP or TSO. There are discussions going on to
6245 * enforce rules in the stack and in ethtool that make
6246 * SG and TSO depend on HW_CSUM. At the moment there are
6248 * If we say yes here, we have to checksum outbound packets
6254 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6260 qeth_ethtool_get_rx_csum(struct net_device *dev)
6262 struct qeth_card *card = (struct qeth_card *)dev->priv;
6264 return (card->options.checksum_type == HW_CHECKSUMMING);
6268 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6270 struct qeth_card *card = (struct qeth_card *)dev->priv;
6272 if ((card->state != CARD_STATE_DOWN) &&
6273 (card->state != CARD_STATE_RECOVER))
6276 card->options.checksum_type = HW_CHECKSUMMING;
6278 card->options.checksum_type = SW_CHECKSUMMING;
6283 qeth_ethtool_get_sg(struct net_device *dev)
6285 struct qeth_card *card = (struct qeth_card *)dev->priv;
6287 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6288 (dev->features & NETIF_F_SG));
6292 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6294 struct qeth_card *card = (struct qeth_card *)dev->priv;
6297 if (card->options.large_send != QETH_LARGE_SEND_NO)
6298 dev->features |= NETIF_F_SG;
6300 dev->features &= ~NETIF_F_SG;
6304 dev->features &= ~NETIF_F_SG;
6309 qeth_ethtool_get_tso(struct net_device *dev)
6311 struct qeth_card *card = (struct qeth_card *)dev->priv;
6313 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6314 (dev->features & NETIF_F_TSO));
6318 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6320 struct qeth_card *card = (struct qeth_card *)dev->priv;
6323 if (card->options.large_send != QETH_LARGE_SEND_NO)
6324 dev->features |= NETIF_F_TSO;
6326 dev->features &= ~NETIF_F_TSO;
6330 dev->features &= ~NETIF_F_TSO;
6334 static struct ethtool_ops qeth_ethtool_ops = {
6335 .get_tx_csum = qeth_ethtool_get_tx_csum,
6336 .set_tx_csum = qeth_ethtool_set_tx_csum,
6337 .get_rx_csum = qeth_ethtool_get_rx_csum,
6338 .set_rx_csum = qeth_ethtool_set_rx_csum,
6339 .get_sg = qeth_ethtool_get_sg,
6340 .set_sg = qeth_ethtool_set_sg,
6341 .get_tso = qeth_ethtool_get_tso,
6342 .set_tso = qeth_ethtool_set_tso,
6346 qeth_netdev_init(struct net_device *dev)
6348 struct qeth_card *card;
6350 card = (struct qeth_card *) dev->priv;
6352 QETH_DBF_TEXT(trace,3,"initdev");
6354 dev->tx_timeout = &qeth_tx_timeout;
6355 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6356 dev->open = qeth_open;
6357 dev->stop = qeth_stop;
6358 dev->hard_start_xmit = qeth_hard_start_xmit;
6359 dev->do_ioctl = qeth_do_ioctl;
6360 dev->get_stats = qeth_get_stats;
6361 dev->change_mtu = qeth_change_mtu;
6362 dev->neigh_setup = qeth_neigh_setup;
6363 dev->set_multicast_list = qeth_set_multicast_list;
6364 #ifdef CONFIG_QETH_VLAN
6365 dev->vlan_rx_register = qeth_vlan_rx_register;
6366 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6367 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6369 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6370 dev->rebuild_header = NULL;
6371 dev->hard_header = NULL;
6372 dev->header_cache_update = NULL;
6373 dev->hard_header_cache = NULL;
6375 #ifdef CONFIG_QETH_IPV6
6376 /*IPv6 address autoconfiguration stuff*/
6377 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6378 card->dev->dev_id = card->info.unique_id & 0xffff;
6380 if (card->options.fake_ll &&
6381 (qeth_get_netdev_flags(card) & IFF_NOARP))
6382 dev->hard_header = qeth_fake_header;
6383 dev->hard_header_parse = NULL;
6384 dev->set_mac_address = qeth_layer2_set_mac_address;
6385 dev->flags |= qeth_get_netdev_flags(card);
6386 if ((card->options.fake_broadcast) ||
6387 (card->info.broadcast_capable))
6388 dev->flags |= IFF_BROADCAST;
6389 dev->hard_header_len =
6390 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6391 dev->addr_len = OSA_ADDR_LEN;
6392 dev->mtu = card->info.initial_mtu;
6393 if (card->info.type != QETH_CARD_TYPE_OSN)
6394 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6395 SET_MODULE_OWNER(dev);
6400 qeth_init_func_level(struct qeth_card *card)
6402 if (card->ipato.enabled) {
6403 if (card->info.type == QETH_CARD_TYPE_IQD)
6404 card->info.func_level =
6405 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6407 card->info.func_level =
6408 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6410 if (card->info.type == QETH_CARD_TYPE_IQD)
6411 /*FIXME:why do we have same values for dis and ena for osae??? */
6412 card->info.func_level =
6413 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6415 card->info.func_level =
6416 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6421 * hardsetup card, initialize MPC and QDIO stuff
6424 qeth_hardsetup_card(struct qeth_card *card)
6429 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6433 PRINT_WARN("Retrying to do IDX activates.\n");
6434 ccw_device_set_offline(CARD_DDEV(card));
6435 ccw_device_set_offline(CARD_WDEV(card));
6436 ccw_device_set_offline(CARD_RDEV(card));
6437 ccw_device_set_online(CARD_RDEV(card));
6438 ccw_device_set_online(CARD_WDEV(card));
6439 ccw_device_set_online(CARD_DDEV(card));
6441 rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6442 if (rc == -ERESTARTSYS) {
6443 QETH_DBF_TEXT(setup, 2, "break1");
6446 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6452 if ((rc = qeth_get_unitaddr(card))){
6453 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6456 qeth_init_tokens(card);
6457 qeth_init_func_level(card);
6458 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6459 if (rc == -ERESTARTSYS) {
6460 QETH_DBF_TEXT(setup, 2, "break2");
6463 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6469 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6470 if (rc == -ERESTARTSYS) {
6471 QETH_DBF_TEXT(setup, 2, "break3");
6474 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6480 if ((rc = qeth_mpc_initialize(card))){
6481 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6484 /*network device will be recovered*/
6486 card->dev->hard_header = card->orig_hard_header;
6487 if (card->options.fake_ll &&
6488 (qeth_get_netdev_flags(card) & IFF_NOARP))
6489 card->dev->hard_header = qeth_fake_header;
6492 /* at first set_online allocate netdev */
6493 card->dev = qeth_get_netdevice(card->info.type,
6494 card->info.link_type);
6496 qeth_qdio_clear_card(card, card->info.type !=
6497 QETH_CARD_TYPE_IQD);
6499 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6502 card->dev->priv = card;
6503 card->orig_hard_header = card->dev->hard_header;
6504 card->dev->type = qeth_get_arphdr_type(card->info.type,
6505 card->info.link_type);
6506 card->dev->init = qeth_netdev_init;
6509 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6514 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6517 struct qeth_ipa_cmd *cmd;
6519 QETH_DBF_TEXT(trace,4,"defadpcb");
6521 cmd = (struct qeth_ipa_cmd *) data;
6522 if (cmd->hdr.return_code == 0){
6523 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6524 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6525 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6526 #ifdef CONFIG_QETH_IPV6
6527 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6528 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6531 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6532 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6533 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6534 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6540 qeth_default_setadapterparms_cb(struct qeth_card *card,
6541 struct qeth_reply *reply,
6544 struct qeth_ipa_cmd *cmd;
6546 QETH_DBF_TEXT(trace,4,"defadpcb");
6548 cmd = (struct qeth_ipa_cmd *) data;
6549 if (cmd->hdr.return_code == 0)
6550 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6557 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6560 struct qeth_ipa_cmd *cmd;
6562 QETH_DBF_TEXT(trace,3,"quyadpcb");
6564 cmd = (struct qeth_ipa_cmd *) data;
6565 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6566 card->info.link_type =
6567 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6568 card->options.adp.supported_funcs =
6569 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6570 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6574 qeth_query_setadapterparms(struct qeth_card *card)
6577 struct qeth_cmd_buffer *iob;
6579 QETH_DBF_TEXT(trace,3,"queryadp");
6580 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6581 sizeof(struct qeth_ipacmd_setadpparms));
6582 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6587 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6588 struct qeth_reply *reply,
6591 struct qeth_ipa_cmd *cmd;
6593 QETH_DBF_TEXT(trace,4,"chgmaccb");
6595 cmd = (struct qeth_ipa_cmd *) data;
6596 if (!card->options.layer2 || card->info.guestlan ||
6597 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6598 memcpy(card->dev->dev_addr,
6599 &cmd->data.setadapterparms.data.change_addr.addr,
6601 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6603 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6608 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6611 struct qeth_cmd_buffer *iob;
6612 struct qeth_ipa_cmd *cmd;
6614 QETH_DBF_TEXT(trace,4,"chgmac");
6616 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6617 sizeof(struct qeth_ipacmd_setadpparms));
6618 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6619 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6620 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6621 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6622 card->dev->dev_addr, OSA_ADDR_LEN);
6623 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6629 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6632 struct qeth_cmd_buffer *iob;
6633 struct qeth_ipa_cmd *cmd;
6635 QETH_DBF_TEXT(trace,4,"adpmode");
6637 iob = qeth_get_adapter_cmd(card, command,
6638 sizeof(struct qeth_ipacmd_setadpparms));
6639 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6640 cmd->data.setadapterparms.data.mode = mode;
6641 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6647 qeth_setadapter_hstr(struct qeth_card *card)
6651 QETH_DBF_TEXT(trace,4,"adphstr");
6653 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6654 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6655 card->options.broadcast_mode);
6657 PRINT_WARN("couldn't set broadcast mode on "
6659 CARD_BUS_ID(card), rc);
6660 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6661 card->options.macaddr_mode);
6663 PRINT_WARN("couldn't set macaddr mode on "
6664 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6667 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6668 PRINT_WARN("set adapter parameters not available "
6669 "to set broadcast mode, using ALLRINGS "
6670 "on device %s:\n", CARD_BUS_ID(card));
6671 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6672 PRINT_WARN("set adapter parameters not available "
6673 "to set macaddr mode, using NONCANONICAL "
6674 "on device %s:\n", CARD_BUS_ID(card));
6679 qeth_setadapter_parms(struct qeth_card *card)
6683 QETH_DBF_TEXT(setup, 2, "setadprm");
6685 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6686 PRINT_WARN("set adapter parameters not supported "
6689 QETH_DBF_TEXT(setup, 2, " notsupp");
6692 rc = qeth_query_setadapterparms(card);
6694 PRINT_WARN("couldn't set adapter parameters on device %s: "
6695 "x%x\n", CARD_BUS_ID(card), rc);
6698 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6699 rc = qeth_setadpparms_change_macaddr(card);
6701 PRINT_WARN("couldn't get MAC address on "
6703 CARD_BUS_ID(card), rc);
6706 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6707 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6708 rc = qeth_setadapter_hstr(card);
6714 qeth_layer2_initialize(struct qeth_card *card)
6719 QETH_DBF_TEXT(setup, 2, "doL2init");
6720 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6722 rc = qeth_query_setadapterparms(card);
6724 PRINT_WARN("could not query adapter parameters on device %s: "
6725 "x%x\n", CARD_BUS_ID(card), rc);
6728 rc = qeth_setadpparms_change_macaddr(card);
6730 PRINT_WARN("couldn't get MAC address on "
6732 CARD_BUS_ID(card), rc);
6733 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6736 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6738 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6740 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6746 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6747 enum qeth_prot_versions prot)
6750 struct qeth_cmd_buffer *iob;
6752 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6753 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6759 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6763 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6765 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6770 qeth_send_stoplan(struct qeth_card *card)
6775 * TODO: according to the IPA format document page 14,
6776 * TCP/IP (we!) never issue a STOPLAN
6779 QETH_DBF_TEXT(trace, 2, "stoplan");
6781 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6786 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6789 struct qeth_ipa_cmd *cmd;
6791 QETH_DBF_TEXT(setup, 2, "qipasscb");
6793 cmd = (struct qeth_ipa_cmd *) data;
6794 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6795 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6796 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6797 /* Disable IPV6 support hard coded for Hipersockets */
6798 if(card->info.type == QETH_CARD_TYPE_IQD)
6799 card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6801 #ifdef CONFIG_QETH_IPV6
6802 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6803 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6806 QETH_DBF_TEXT(setup, 2, "suppenbl");
6807 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6808 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6813 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6816 struct qeth_cmd_buffer *iob;
6818 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6819 if (card->options.layer2) {
6820 QETH_DBF_TEXT(setup, 2, "noprmly2");
6824 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6825 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6829 static struct qeth_cmd_buffer *
6830 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6831 __u16 cmd_code, __u16 len,
6832 enum qeth_prot_versions prot)
6834 struct qeth_cmd_buffer *iob;
6835 struct qeth_ipa_cmd *cmd;
6837 QETH_DBF_TEXT(trace,4,"getasscm");
6838 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6840 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6841 cmd->data.setassparms.hdr.assist_no = ipa_func;
6842 cmd->data.setassparms.hdr.length = 8 + len;
6843 cmd->data.setassparms.hdr.command_code = cmd_code;
6844 cmd->data.setassparms.hdr.return_code = 0;
6845 cmd->data.setassparms.hdr.seq_no = 0;
6851 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6852 __u16 len, long data,
6854 (struct qeth_card *,struct qeth_reply *,unsigned long),
6858 struct qeth_ipa_cmd *cmd;
6860 QETH_DBF_TEXT(trace,4,"sendassp");
6862 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6863 if (len <= sizeof(__u32))
6864 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6865 else /* (len > sizeof(__u32)) */
6866 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6868 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6872 #ifdef CONFIG_QETH_IPV6
6874 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6875 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6879 struct qeth_cmd_buffer *iob;
6881 QETH_DBF_TEXT(trace,4,"simassp6");
6882 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6884 rc = qeth_send_setassparms(card, iob, 0, 0,
6885 qeth_default_setassparms_cb, NULL);
6891 qeth_send_simple_setassparms(struct qeth_card *card,
6892 enum qeth_ipa_funcs ipa_func,
6893 __u16 cmd_code, long data)
6897 struct qeth_cmd_buffer *iob;
6899 QETH_DBF_TEXT(trace,4,"simassp4");
6901 length = sizeof(__u32);
6902 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6903 length, QETH_PROT_IPV4);
6904 rc = qeth_send_setassparms(card, iob, length, data,
6905 qeth_default_setassparms_cb, NULL);
6910 qeth_start_ipa_arp_processing(struct qeth_card *card)
6914 QETH_DBF_TEXT(trace,3,"ipaarp");
6916 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6917 PRINT_WARN("ARP processing not supported "
6918 "on %s!\n", QETH_CARD_IFNAME(card));
6921 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6922 IPA_CMD_ASS_START, 0);
6924 PRINT_WARN("Could not start ARP processing "
6925 "assist on %s: 0x%x\n",
6926 QETH_CARD_IFNAME(card), rc);
6932 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6936 QETH_DBF_TEXT(trace,3,"ipaipfrg");
6938 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6939 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6940 QETH_CARD_IFNAME(card));
6944 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6945 IPA_CMD_ASS_START, 0);
6947 PRINT_WARN("Could not start Hardware IP fragmentation "
6948 "assist on %s: 0x%x\n",
6949 QETH_CARD_IFNAME(card), rc);
6951 PRINT_INFO("Hardware IP fragmentation enabled \n");
6956 qeth_start_ipa_source_mac(struct qeth_card *card)
6960 QETH_DBF_TEXT(trace,3,"stsrcmac");
6962 if (!card->options.fake_ll)
6965 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6966 PRINT_INFO("Inbound source address not "
6967 "supported on %s\n", QETH_CARD_IFNAME(card));
6971 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6972 IPA_CMD_ASS_START, 0);
6974 PRINT_WARN("Could not start inbound source "
6975 "assist on %s: 0x%x\n",
6976 QETH_CARD_IFNAME(card), rc);
6981 qeth_start_ipa_vlan(struct qeth_card *card)
6985 QETH_DBF_TEXT(trace,3,"strtvlan");
6987 #ifdef CONFIG_QETH_VLAN
6988 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6989 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
6993 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6994 IPA_CMD_ASS_START,0);
6996 PRINT_WARN("Could not start vlan "
6997 "assist on %s: 0x%x\n",
6998 QETH_CARD_IFNAME(card), rc);
7000 PRINT_INFO("VLAN enabled \n");
7001 card->dev->features |=
7002 NETIF_F_HW_VLAN_FILTER |
7003 NETIF_F_HW_VLAN_TX |
7006 #endif /* QETH_VLAN */
7011 qeth_start_ipa_multicast(struct qeth_card *card)
7015 QETH_DBF_TEXT(trace,3,"stmcast");
7017 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7018 PRINT_WARN("Multicast not supported on %s\n",
7019 QETH_CARD_IFNAME(card));
7023 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7024 IPA_CMD_ASS_START,0);
7026 PRINT_WARN("Could not start multicast "
7027 "assist on %s: rc=%i\n",
7028 QETH_CARD_IFNAME(card), rc);
7030 PRINT_INFO("Multicast enabled\n");
7031 card->dev->flags |= IFF_MULTICAST;
7036 #ifdef CONFIG_QETH_IPV6
7038 qeth_softsetup_ipv6(struct qeth_card *card)
7042 QETH_DBF_TEXT(trace,3,"softipv6");
7044 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7046 PRINT_ERR("IPv6 startlan failed on %s\n",
7047 QETH_CARD_IFNAME(card));
7050 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7052 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7053 QETH_CARD_IFNAME(card));
7056 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7057 IPA_CMD_ASS_START, 3);
7059 PRINT_WARN("IPv6 start assist (version 4) failed "
7061 QETH_CARD_IFNAME(card), rc);
7064 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7067 PRINT_WARN("IPV6 start assist (version 6) failed "
7069 QETH_CARD_IFNAME(card), rc);
7072 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7075 PRINT_WARN("Could not enable passthrough "
7077 QETH_CARD_IFNAME(card), rc);
7080 PRINT_INFO("IPV6 enabled \n");
7087 qeth_start_ipa_ipv6(struct qeth_card *card)
7090 #ifdef CONFIG_QETH_IPV6
7091 QETH_DBF_TEXT(trace,3,"strtipv6");
7093 if (!qeth_is_supported(card, IPA_IPV6)) {
7094 PRINT_WARN("IPv6 not supported on %s\n",
7095 QETH_CARD_IFNAME(card));
7098 rc = qeth_softsetup_ipv6(card);
7104 qeth_start_ipa_broadcast(struct qeth_card *card)
7108 QETH_DBF_TEXT(trace,3,"stbrdcst");
7109 card->info.broadcast_capable = 0;
7110 if (!qeth_is_supported(card, IPA_FILTERING)) {
7111 PRINT_WARN("Broadcast not supported on %s\n",
7112 QETH_CARD_IFNAME(card));
7116 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7117 IPA_CMD_ASS_START, 0);
7119 PRINT_WARN("Could not enable broadcasting filtering "
7121 QETH_CARD_IFNAME(card), rc);
7125 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7126 IPA_CMD_ASS_CONFIGURE, 1);
7128 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7129 QETH_CARD_IFNAME(card), rc);
7132 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7133 PRINT_INFO("Broadcast enabled \n");
7134 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7135 IPA_CMD_ASS_ENABLE, 1);
7137 PRINT_WARN("Could not set up broadcast echo filtering on "
7138 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7141 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7143 if (card->info.broadcast_capable)
7144 card->dev->flags |= IFF_BROADCAST;
7146 card->dev->flags &= ~IFF_BROADCAST;
7151 qeth_send_checksum_command(struct qeth_card *card)
7155 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7156 IPA_CMD_ASS_START, 0);
7158 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7159 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7160 QETH_CARD_IFNAME(card), rc);
7163 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7165 card->info.csum_mask);
7167 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7168 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7169 QETH_CARD_IFNAME(card), rc);
7176 qeth_start_ipa_checksum(struct qeth_card *card)
7180 QETH_DBF_TEXT(trace,3,"strtcsum");
7182 if (card->options.checksum_type == NO_CHECKSUMMING) {
7183 PRINT_WARN("Using no checksumming on %s.\n",
7184 QETH_CARD_IFNAME(card));
7187 if (card->options.checksum_type == SW_CHECKSUMMING) {
7188 PRINT_WARN("Using SW checksumming on %s.\n",
7189 QETH_CARD_IFNAME(card));
7192 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7193 PRINT_WARN("Inbound HW Checksumming not "
7194 "supported on %s,\ncontinuing "
7195 "using Inbound SW Checksumming\n",
7196 QETH_CARD_IFNAME(card));
7197 card->options.checksum_type = SW_CHECKSUMMING;
7200 rc = qeth_send_checksum_command(card);
7202 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7208 qeth_start_ipa_tso(struct qeth_card *card)
7212 QETH_DBF_TEXT(trace,3,"sttso");
7214 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7215 PRINT_WARN("Outbound TSO not supported on %s\n",
7216 QETH_CARD_IFNAME(card));
7219 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7220 IPA_CMD_ASS_START,0);
7222 PRINT_WARN("Could not start outbound TSO "
7223 "assist on %s: rc=%i\n",
7224 QETH_CARD_IFNAME(card), rc);
7226 PRINT_INFO("Outbound TSO enabled\n");
7228 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7229 card->options.large_send = QETH_LARGE_SEND_NO;
7230 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7236 qeth_start_ipassists(struct qeth_card *card)
7238 QETH_DBF_TEXT(trace,3,"strtipas");
7239 qeth_start_ipa_arp_processing(card); /* go on*/
7240 qeth_start_ipa_ip_fragmentation(card); /* go on*/
7241 qeth_start_ipa_source_mac(card); /* go on*/
7242 qeth_start_ipa_vlan(card); /* go on*/
7243 qeth_start_ipa_multicast(card); /* go on*/
7244 qeth_start_ipa_ipv6(card); /* go on*/
7245 qeth_start_ipa_broadcast(card); /* go on*/
7246 qeth_start_ipa_checksum(card); /* go on*/
7247 qeth_start_ipa_tso(card); /* go on*/
7252 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7253 enum qeth_prot_versions prot)
7256 struct qeth_ipa_cmd *cmd;
7257 struct qeth_cmd_buffer *iob;
7259 QETH_DBF_TEXT(trace,4,"setroutg");
7260 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7261 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7262 cmd->data.setrtg.type = (type);
7263 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7270 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7271 enum qeth_prot_versions prot)
7273 if (card->info.type == QETH_CARD_TYPE_IQD) {
7276 case PRIMARY_CONNECTOR:
7277 case SECONDARY_CONNECTOR:
7278 case MULTICAST_ROUTER:
7286 case PRIMARY_ROUTER:
7287 case SECONDARY_ROUTER:
7289 case MULTICAST_ROUTER:
7290 if (qeth_is_ipafunc_supported(card, prot,
7298 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7299 "Router status set to 'no router'.\n",
7300 ((*type == PRIMARY_ROUTER)? "primary router" :
7301 (*type == SECONDARY_ROUTER)? "secondary router" :
7302 (*type == PRIMARY_CONNECTOR)? "primary connector" :
7303 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7304 (*type == MULTICAST_ROUTER)? "multicast router" :
7311 qeth_setrouting_v4(struct qeth_card *card)
7315 QETH_DBF_TEXT(trace,3,"setrtg4");
7317 qeth_correct_routing_type(card, &card->options.route4.type,
7320 rc = qeth_send_setrouting(card, card->options.route4.type,
7323 card->options.route4.type = NO_ROUTER;
7324 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7325 "Type set to 'no router'.\n",
7326 rc, QETH_CARD_IFNAME(card));
7332 qeth_setrouting_v6(struct qeth_card *card)
7336 QETH_DBF_TEXT(trace,3,"setrtg6");
7337 #ifdef CONFIG_QETH_IPV6
7339 qeth_correct_routing_type(card, &card->options.route6.type,
7342 rc = qeth_send_setrouting(card, card->options.route6.type,
7345 card->options.route6.type = NO_ROUTER;
7346 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7347 "Type set to 'no router'.\n",
7348 rc, QETH_CARD_IFNAME(card));
7355 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7359 if (card->dev == NULL) {
7360 card->options.large_send = type;
7363 if (card->state == CARD_STATE_UP)
7364 netif_tx_disable(card->dev);
7365 card->options.large_send = type;
7366 switch (card->options.large_send) {
7367 case QETH_LARGE_SEND_EDDP:
7368 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7370 case QETH_LARGE_SEND_TSO:
7371 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7372 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7374 PRINT_WARN("TSO not supported on %s. "
7375 "large_send set to 'no'.\n",
7377 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7378 card->options.large_send = QETH_LARGE_SEND_NO;
7382 default: /* includes QETH_LARGE_SEND_NO */
7383 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7386 if (card->state == CARD_STATE_UP)
7387 netif_wake_queue(card->dev);
7392 * softsetup card: init IPA stuff
7395 qeth_softsetup_card(struct qeth_card *card)
7399 QETH_DBF_TEXT(setup, 2, "softsetp");
7401 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7402 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7404 PRINT_WARN("LAN on card %s if offline! "
7405 "Continuing softsetup.\n",
7407 card->lan_online = 0;
7411 card->lan_online = 1;
7412 if (card->info.type==QETH_CARD_TYPE_OSN)
7414 qeth_set_large_send(card, card->options.large_send);
7415 if (card->options.layer2) {
7416 card->dev->features |=
7417 NETIF_F_HW_VLAN_FILTER |
7418 NETIF_F_HW_VLAN_TX |
7420 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7421 card->info.broadcast_capable=1;
7422 if ((rc = qeth_layer2_initialize(card))) {
7423 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7426 #ifdef CONFIG_QETH_VLAN
7427 qeth_layer2_process_vlans(card, 0);
7431 if ((rc = qeth_setadapter_parms(card)))
7432 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7433 if ((rc = qeth_start_ipassists(card)))
7434 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7435 if ((rc = qeth_setrouting_v4(card)))
7436 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7437 if ((rc = qeth_setrouting_v6(card)))
7438 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7440 netif_tx_disable(card->dev);
7444 #ifdef CONFIG_QETH_IPV6
7446 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7449 struct qeth_ipa_cmd *cmd;
7451 cmd = (struct qeth_ipa_cmd *) data;
7452 if (cmd->hdr.return_code == 0)
7453 card->info.unique_id = *((__u16 *)
7454 &cmd->data.create_destroy_addr.unique_id[6]);
7456 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7457 UNIQUE_ID_NOT_BY_CARD;
7458 PRINT_WARN("couldn't get a unique id from the card on device "
7459 "%s (result=x%x), using default id. ipv6 "
7460 "autoconfig on other lpars may lead to duplicate "
7461 "ip addresses. please use manually "
7462 "configured ones.\n",
7463 CARD_BUS_ID(card), cmd->hdr.return_code);
7470 qeth_put_unique_id(struct qeth_card *card)
7474 #ifdef CONFIG_QETH_IPV6
7475 struct qeth_cmd_buffer *iob;
7476 struct qeth_ipa_cmd *cmd;
7478 QETH_DBF_TEXT(trace,2,"puniqeid");
7480 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7481 UNIQUE_ID_NOT_BY_CARD)
7483 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7485 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7486 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7487 card->info.unique_id;
7488 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7489 card->dev->dev_addr, OSA_ADDR_LEN);
7490 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7492 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7493 UNIQUE_ID_NOT_BY_CARD;
7502 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7504 struct qeth_ipaddr *addr, *tmp;
7505 unsigned long flags;
7507 QETH_DBF_TEXT(trace,4,"clearip");
7508 spin_lock_irqsave(&card->ip_lock, flags);
7509 /* clear todo list */
7510 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7511 list_del(&addr->entry);
7515 while (!list_empty(&card->ip_list)) {
7516 addr = list_entry(card->ip_list.next,
7517 struct qeth_ipaddr, entry);
7518 list_del_init(&addr->entry);
7520 spin_unlock_irqrestore(&card->ip_lock, flags);
7521 qeth_deregister_addr_entry(card, addr);
7522 spin_lock_irqsave(&card->ip_lock, flags);
7524 if (!recover || addr->is_multicast) {
7528 list_add_tail(&addr->entry, card->ip_tbd_list);
7530 spin_unlock_irqrestore(&card->ip_lock, flags);
7534 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7535 int clear_start_mask)
7537 unsigned long flags;
7539 spin_lock_irqsave(&card->thread_mask_lock, flags);
7540 card->thread_allowed_mask = threads;
7541 if (clear_start_mask)
7542 card->thread_start_mask &= threads;
7543 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7544 wake_up(&card->wait_q);
7548 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7550 unsigned long flags;
7553 spin_lock_irqsave(&card->thread_mask_lock, flags);
7554 rc = (card->thread_running_mask & threads);
7555 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7560 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7562 return wait_event_interruptible(card->wait_q,
7563 qeth_threads_running(card, threads) == 0);
7567 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7571 QETH_DBF_TEXT(setup ,2,"stopcard");
7572 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7574 qeth_set_allowed_threads(card, 0, 1);
7575 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7576 return -ERESTARTSYS;
7577 if (card->read.state == CH_STATE_UP &&
7578 card->write.state == CH_STATE_UP &&
7579 (card->state == CARD_STATE_UP)) {
7580 if (recovery_mode &&
7581 card->info.type != QETH_CARD_TYPE_OSN) {
7582 qeth_stop(card->dev);
7585 dev_close(card->dev);
7588 if (!card->use_hard_stop) {
7589 __u8 *mac = &card->dev->dev_addr[0];
7590 rc = qeth_layer2_send_delmac(card, mac);
7591 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7592 if ((rc = qeth_send_stoplan(card)))
7593 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7595 card->state = CARD_STATE_SOFTSETUP;
7597 if (card->state == CARD_STATE_SOFTSETUP) {
7598 #ifdef CONFIG_QETH_VLAN
7599 if (card->options.layer2)
7600 qeth_layer2_process_vlans(card, 1);
7602 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7603 qeth_clear_ipacmd_list(card);
7604 card->state = CARD_STATE_HARDSETUP;
7606 if (card->state == CARD_STATE_HARDSETUP) {
7607 if ((!card->use_hard_stop) &&
7608 (!card->options.layer2))
7609 if ((rc = qeth_put_unique_id(card)))
7610 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7611 qeth_qdio_clear_card(card, 0);
7612 qeth_clear_qdio_buffers(card);
7613 qeth_clear_working_pool_list(card);
7614 card->state = CARD_STATE_DOWN;
7616 if (card->state == CARD_STATE_DOWN) {
7617 qeth_clear_cmd_buffers(&card->read);
7618 qeth_clear_cmd_buffers(&card->write);
7620 card->use_hard_stop = 0;
7626 qeth_get_unique_id(struct qeth_card *card)
7629 #ifdef CONFIG_QETH_IPV6
7630 struct qeth_cmd_buffer *iob;
7631 struct qeth_ipa_cmd *cmd;
7633 QETH_DBF_TEXT(setup, 2, "guniqeid");
7635 if (!qeth_is_supported(card,IPA_IPV6)) {
7636 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7637 UNIQUE_ID_NOT_BY_CARD;
7641 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7643 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7644 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7645 card->info.unique_id;
7647 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7649 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7650 UNIQUE_ID_NOT_BY_CARD;
7655 qeth_print_status_with_portname(struct qeth_card *card)
7660 sprintf(dbf_text, "%s", card->info.portname + 1);
7661 for (i = 0; i < 8; i++)
7663 (char) _ebcasc[(__u8) dbf_text[i]];
7665 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7666 "with link type %s (portname: %s)\n",
7670 qeth_get_cardname(card),
7671 (card->info.mcl_level[0]) ? " (level: " : "",
7672 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7673 (card->info.mcl_level[0]) ? ")" : "",
7674 qeth_get_cardname_short(card),
7680 qeth_print_status_no_portname(struct qeth_card *card)
7682 if (card->info.portname[0])
7683 printk("qeth: Device %s/%s/%s is a%s "
7684 "card%s%s%s\nwith link type %s "
7685 "(no portname needed by interface).\n",
7689 qeth_get_cardname(card),
7690 (card->info.mcl_level[0]) ? " (level: " : "",
7691 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7692 (card->info.mcl_level[0]) ? ")" : "",
7693 qeth_get_cardname_short(card));
7695 printk("qeth: Device %s/%s/%s is a%s "
7696 "card%s%s%s\nwith link type %s.\n",
7700 qeth_get_cardname(card),
7701 (card->info.mcl_level[0]) ? " (level: " : "",
7702 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7703 (card->info.mcl_level[0]) ? ")" : "",
7704 qeth_get_cardname_short(card));
7708 qeth_print_status_message(struct qeth_card *card)
7710 switch (card->info.type) {
7711 case QETH_CARD_TYPE_OSAE:
7712 /* VM will use a non-zero first character
7713 * to indicate a HiperSockets like reporting
7714 * of the level OSA sets the first character to zero
7716 if (!card->info.mcl_level[0]) {
7717 sprintf(card->info.mcl_level,"%02x%02x",
7718 card->info.mcl_level[2],
7719 card->info.mcl_level[3]);
7721 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7725 case QETH_CARD_TYPE_IQD:
7726 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7727 card->info.mcl_level[0]];
7728 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7729 card->info.mcl_level[1]];
7730 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7731 card->info.mcl_level[2]];
7732 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7733 card->info.mcl_level[3]];
7734 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7737 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7739 if (card->info.portname_required)
7740 qeth_print_status_with_portname(card);
7742 qeth_print_status_no_portname(card);
7746 qeth_register_netdev(struct qeth_card *card)
7748 QETH_DBF_TEXT(setup, 3, "regnetd");
7749 if (card->dev->reg_state != NETREG_UNINITIALIZED)
7752 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7753 return register_netdev(card->dev);
7757 qeth_start_again(struct qeth_card *card, int recovery_mode)
7759 QETH_DBF_TEXT(setup ,2, "startag");
7761 if (recovery_mode &&
7762 card->info.type != QETH_CARD_TYPE_OSN) {
7763 qeth_open(card->dev);
7766 dev_open(card->dev);
7769 /* this also sets saved unicast addresses */
7770 qeth_set_multicast_list(card->dev);
7774 /* Layer 2 specific stuff */
7775 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7776 if (card->options.option == value) { \
7777 PRINT_ERR("%s not supported with layer 2 " \
7778 "functionality, ignoring option on read" \
7779 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7780 card->options.option = reset_value; \
7782 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7783 if (card->options.option != value) { \
7784 PRINT_ERR("%s not supported with layer 2 " \
7785 "functionality, ignoring option on read" \
7786 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7787 card->options.option = reset_value; \
7791 static void qeth_make_parameters_consistent(struct qeth_card *card)
7794 if (card->options.layer2 == 0)
7796 if (card->info.type == QETH_CARD_TYPE_OSN)
7798 if (card->info.type == QETH_CARD_TYPE_IQD) {
7799 PRINT_ERR("Device %s does not support layer 2 functionality." \
7800 " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7801 card->options.layer2 = 0;
7804 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7805 "Routing options are");
7806 #ifdef CONFIG_QETH_IPV6
7807 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7808 "Routing options are");
7810 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7811 QETH_CHECKSUM_DEFAULT,
7812 "Checksumming options are");
7813 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7814 QETH_TR_BROADCAST_ALLRINGS,
7815 "Broadcast mode options are");
7816 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7817 QETH_TR_MACADDR_NONCANONICAL,
7818 "Canonical MAC addr options are");
7819 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7820 "Broadcast faking options are");
7821 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7822 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7823 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7828 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7830 struct qeth_card *card = gdev->dev.driver_data;
7832 enum qeth_card_states recover_flag;
7835 QETH_DBF_TEXT(setup ,2, "setonlin");
7836 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7838 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7839 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7840 PRINT_WARN("set_online of card %s interrupted by user!\n",
7842 return -ERESTARTSYS;
7845 recover_flag = card->state;
7846 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7847 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7848 (rc = ccw_device_set_online(CARD_DDEV(card)))){
7849 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7853 qeth_make_parameters_consistent(card);
7855 if ((rc = qeth_hardsetup_card(card))){
7856 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7859 card->state = CARD_STATE_HARDSETUP;
7861 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7862 rc = qeth_get_unique_id(card);
7864 if (rc && card->options.layer2 == 0) {
7865 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7868 qeth_print_status_message(card);
7869 if ((rc = qeth_register_netdev(card))){
7870 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7873 if ((rc = qeth_softsetup_card(card))){
7874 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7877 card->state = CARD_STATE_SOFTSETUP;
7879 if ((rc = qeth_init_qdio_queues(card))){
7880 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7883 netif_carrier_on(card->dev);
7885 qeth_set_allowed_threads(card, 0xffffffff, 0);
7886 if (recover_flag == CARD_STATE_RECOVER)
7887 qeth_start_again(card, recovery_mode);
7888 qeth_notify_processes();
7891 card->use_hard_stop = 1;
7892 qeth_stop_card(card, 0);
7893 ccw_device_set_offline(CARD_DDEV(card));
7894 ccw_device_set_offline(CARD_WDEV(card));
7895 ccw_device_set_offline(CARD_RDEV(card));
7896 if (recover_flag == CARD_STATE_RECOVER)
7897 card->state = CARD_STATE_RECOVER;
7899 card->state = CARD_STATE_DOWN;
7904 qeth_set_online(struct ccwgroup_device *gdev)
7906 return __qeth_set_online(gdev, 0);
7909 static struct ccw_device_id qeth_ids[] = {
7910 {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
7911 {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
7912 {CCW_DEVICE(0x1731, 0x06), driver_info:QETH_CARD_TYPE_OSN},
7915 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7917 struct device *qeth_root_dev = NULL;
7919 struct ccwgroup_driver qeth_ccwgroup_driver = {
7920 .owner = THIS_MODULE,
7922 .driver_id = 0xD8C5E3C8,
7923 .probe = qeth_probe_device,
7924 .remove = qeth_remove_device,
7925 .set_online = qeth_set_online,
7926 .set_offline = qeth_set_offline,
7929 struct ccw_driver qeth_ccw_driver = {
7932 .probe = ccwgroup_probe_ccwdev,
7933 .remove = ccwgroup_remove_ccwdev,
7938 qeth_unregister_dbf_views(void)
7941 debug_unregister(qeth_dbf_setup);
7943 debug_unregister(qeth_dbf_qerr);
7945 debug_unregister(qeth_dbf_sense);
7947 debug_unregister(qeth_dbf_misc);
7949 debug_unregister(qeth_dbf_data);
7950 if (qeth_dbf_control)
7951 debug_unregister(qeth_dbf_control);
7953 debug_unregister(qeth_dbf_trace);
7956 qeth_register_dbf_views(void)
7958 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7959 QETH_DBF_SETUP_PAGES,
7960 QETH_DBF_SETUP_NR_AREAS,
7961 QETH_DBF_SETUP_LEN);
7962 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7963 QETH_DBF_MISC_PAGES,
7964 QETH_DBF_MISC_NR_AREAS,
7966 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7967 QETH_DBF_DATA_PAGES,
7968 QETH_DBF_DATA_NR_AREAS,
7970 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7971 QETH_DBF_CONTROL_PAGES,
7972 QETH_DBF_CONTROL_NR_AREAS,
7973 QETH_DBF_CONTROL_LEN);
7974 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7975 QETH_DBF_SENSE_PAGES,
7976 QETH_DBF_SENSE_NR_AREAS,
7977 QETH_DBF_SENSE_LEN);
7978 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7979 QETH_DBF_QERR_PAGES,
7980 QETH_DBF_QERR_NR_AREAS,
7982 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7983 QETH_DBF_TRACE_PAGES,
7984 QETH_DBF_TRACE_NR_AREAS,
7985 QETH_DBF_TRACE_LEN);
7987 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
7988 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
7989 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
7990 (qeth_dbf_trace == NULL)) {
7991 qeth_unregister_dbf_views();
7994 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7995 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
7997 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
7998 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
8000 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
8001 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
8003 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
8004 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8006 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8007 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8009 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8010 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8012 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8013 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8018 #ifdef CONFIG_QETH_IPV6
8019 extern struct neigh_table arp_tbl;
8020 static struct neigh_ops *arp_direct_ops;
8021 static int (*qeth_old_arp_constructor) (struct neighbour *);
8023 static struct neigh_ops arp_direct_ops_template = {
8026 .error_report = NULL,
8027 .output = dev_queue_xmit,
8028 .connected_output = dev_queue_xmit,
8029 .hh_output = dev_queue_xmit,
8030 .queue_xmit = dev_queue_xmit
8034 qeth_arp_constructor(struct neighbour *neigh)
8036 struct net_device *dev = neigh->dev;
8037 struct in_device *in_dev;
8038 struct neigh_parms *parms;
8039 struct qeth_card *card;
8041 card = qeth_get_card_from_dev(dev);
8044 if((card->options.layer2) ||
8045 (card->dev->hard_header == qeth_fake_header))
8049 in_dev = __in_dev_get_rcu(dev);
8050 if (in_dev == NULL) {
8055 parms = in_dev->arp_parms;
8056 __neigh_parms_put(neigh->parms);
8057 neigh->parms = neigh_parms_clone(parms);
8060 neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
8061 neigh->nud_state = NUD_NOARP;
8062 neigh->ops = arp_direct_ops;
8063 neigh->output = neigh->ops->queue_xmit;
8066 return qeth_old_arp_constructor(neigh);
8068 #endif /*CONFIG_QETH_IPV6*/
8071 * IP address takeover related functions
8074 qeth_clear_ipato_list(struct qeth_card *card)
8076 struct qeth_ipato_entry *ipatoe, *tmp;
8077 unsigned long flags;
8079 spin_lock_irqsave(&card->ip_lock, flags);
8080 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8081 list_del(&ipatoe->entry);
8084 spin_unlock_irqrestore(&card->ip_lock, flags);
8088 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8090 struct qeth_ipato_entry *ipatoe;
8091 unsigned long flags;
8094 QETH_DBF_TEXT(trace, 2, "addipato");
8095 spin_lock_irqsave(&card->ip_lock, flags);
8096 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8097 if (ipatoe->proto != new->proto)
8099 if (!memcmp(ipatoe->addr, new->addr,
8100 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8101 (ipatoe->mask_bits == new->mask_bits)){
8102 PRINT_WARN("ipato entry already exists!\n");
8108 list_add_tail(&new->entry, &card->ipato.entries);
8110 spin_unlock_irqrestore(&card->ip_lock, flags);
8115 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8116 u8 *addr, int mask_bits)
8118 struct qeth_ipato_entry *ipatoe, *tmp;
8119 unsigned long flags;
8121 QETH_DBF_TEXT(trace, 2, "delipato");
8122 spin_lock_irqsave(&card->ip_lock, flags);
8123 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8124 if (ipatoe->proto != proto)
8126 if (!memcmp(ipatoe->addr, addr,
8127 (proto == QETH_PROT_IPV4)? 4:16) &&
8128 (ipatoe->mask_bits == mask_bits)){
8129 list_del(&ipatoe->entry);
8133 spin_unlock_irqrestore(&card->ip_lock, flags);
8137 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8142 for (i = 0; i < len; ++i){
8144 for (j = 7; j >= 0; --j){
8145 bits[i*8 + j] = octet & 1;
8152 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8154 struct qeth_ipato_entry *ipatoe;
8155 u8 addr_bits[128] = {0, };
8156 u8 ipatoe_bits[128] = {0, };
8159 if (!card->ipato.enabled)
8162 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8163 (addr->proto == QETH_PROT_IPV4)? 4:16);
8164 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8165 if (addr->proto != ipatoe->proto)
8167 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8168 (ipatoe->proto==QETH_PROT_IPV4) ?
8170 if (addr->proto == QETH_PROT_IPV4)
8171 rc = !memcmp(addr_bits, ipatoe_bits,
8172 min(32, ipatoe->mask_bits));
8174 rc = !memcmp(addr_bits, ipatoe_bits,
8175 min(128, ipatoe->mask_bits));
8180 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8182 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8189 * VIPA related functions
8192 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8195 struct qeth_ipaddr *ipaddr;
8196 unsigned long flags;
8199 ipaddr = qeth_get_addr_buffer(proto);
8201 if (proto == QETH_PROT_IPV4){
8202 QETH_DBF_TEXT(trace, 2, "addvipa4");
8203 memcpy(&ipaddr->u.a4.addr, addr, 4);
8204 ipaddr->u.a4.mask = 0;
8205 #ifdef CONFIG_QETH_IPV6
8206 } else if (proto == QETH_PROT_IPV6){
8207 QETH_DBF_TEXT(trace, 2, "addvipa6");
8208 memcpy(&ipaddr->u.a6.addr, addr, 16);
8209 ipaddr->u.a6.pfxlen = 0;
8212 ipaddr->type = QETH_IP_TYPE_VIPA;
8213 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8214 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8217 spin_lock_irqsave(&card->ip_lock, flags);
8218 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8219 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8221 spin_unlock_irqrestore(&card->ip_lock, flags);
8223 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8226 if (!qeth_add_ip(card, ipaddr))
8228 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8229 schedule_work(&card->kernel_thread_starter);
8234 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8237 struct qeth_ipaddr *ipaddr;
8239 ipaddr = qeth_get_addr_buffer(proto);
8241 if (proto == QETH_PROT_IPV4){
8242 QETH_DBF_TEXT(trace, 2, "delvipa4");
8243 memcpy(&ipaddr->u.a4.addr, addr, 4);
8244 ipaddr->u.a4.mask = 0;
8245 #ifdef CONFIG_QETH_IPV6
8246 } else if (proto == QETH_PROT_IPV6){
8247 QETH_DBF_TEXT(trace, 2, "delvipa6");
8248 memcpy(&ipaddr->u.a6.addr, addr, 16);
8249 ipaddr->u.a6.pfxlen = 0;
8252 ipaddr->type = QETH_IP_TYPE_VIPA;
8255 if (!qeth_delete_ip(card, ipaddr))
8257 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8258 schedule_work(&card->kernel_thread_starter);
8262 * proxy ARP related functions
8265 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8268 struct qeth_ipaddr *ipaddr;
8269 unsigned long flags;
8272 ipaddr = qeth_get_addr_buffer(proto);
8274 if (proto == QETH_PROT_IPV4){
8275 QETH_DBF_TEXT(trace, 2, "addrxip4");
8276 memcpy(&ipaddr->u.a4.addr, addr, 4);
8277 ipaddr->u.a4.mask = 0;
8278 #ifdef CONFIG_QETH_IPV6
8279 } else if (proto == QETH_PROT_IPV6){
8280 QETH_DBF_TEXT(trace, 2, "addrxip6");
8281 memcpy(&ipaddr->u.a6.addr, addr, 16);
8282 ipaddr->u.a6.pfxlen = 0;
8285 ipaddr->type = QETH_IP_TYPE_RXIP;
8286 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8287 ipaddr->del_flags = 0;
8290 spin_lock_irqsave(&card->ip_lock, flags);
8291 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8292 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8294 spin_unlock_irqrestore(&card->ip_lock, flags);
8296 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8299 if (!qeth_add_ip(card, ipaddr))
8301 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8302 schedule_work(&card->kernel_thread_starter);
8307 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8310 struct qeth_ipaddr *ipaddr;
8312 ipaddr = qeth_get_addr_buffer(proto);
8314 if (proto == QETH_PROT_IPV4){
8315 QETH_DBF_TEXT(trace, 2, "addrxip4");
8316 memcpy(&ipaddr->u.a4.addr, addr, 4);
8317 ipaddr->u.a4.mask = 0;
8318 #ifdef CONFIG_QETH_IPV6
8319 } else if (proto == QETH_PROT_IPV6){
8320 QETH_DBF_TEXT(trace, 2, "addrxip6");
8321 memcpy(&ipaddr->u.a6.addr, addr, 16);
8322 ipaddr->u.a6.pfxlen = 0;
8325 ipaddr->type = QETH_IP_TYPE_RXIP;
8328 if (!qeth_delete_ip(card, ipaddr))
8330 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8331 schedule_work(&card->kernel_thread_starter);
8338 qeth_ip_event(struct notifier_block *this,
8339 unsigned long event,void *ptr)
8341 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8342 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8343 struct qeth_ipaddr *addr;
8344 struct qeth_card *card;
8346 QETH_DBF_TEXT(trace,3,"ipevent");
8347 card = qeth_get_card_from_dev(dev);
8350 if (card->options.layer2)
8353 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8355 addr->u.a4.addr = ifa->ifa_address;
8356 addr->u.a4.mask = ifa->ifa_mask;
8357 addr->type = QETH_IP_TYPE_NORMAL;
8363 if (!qeth_add_ip(card, addr))
8367 if (!qeth_delete_ip(card, addr))
8373 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8374 schedule_work(&card->kernel_thread_starter);
8379 static struct notifier_block qeth_ip_notifier = {
8384 #ifdef CONFIG_QETH_IPV6
8386 * IPv6 event handler
8389 qeth_ip6_event(struct notifier_block *this,
8390 unsigned long event,void *ptr)
8393 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8394 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8395 struct qeth_ipaddr *addr;
8396 struct qeth_card *card;
8398 QETH_DBF_TEXT(trace,3,"ip6event");
8400 card = qeth_get_card_from_dev(dev);
8403 if (!qeth_is_supported(card, IPA_IPV6))
8406 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8408 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8409 addr->u.a6.pfxlen = ifa->prefix_len;
8410 addr->type = QETH_IP_TYPE_NORMAL;
8416 if (!qeth_add_ip(card, addr))
8420 if (!qeth_delete_ip(card, addr))
8426 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8427 schedule_work(&card->kernel_thread_starter);
8432 static struct notifier_block qeth_ip6_notifier = {
8439 __qeth_reboot_event_card(struct device *dev, void *data)
8441 struct qeth_card *card;
8443 card = (struct qeth_card *) dev->driver_data;
8444 qeth_clear_ip_list(card, 0, 0);
8445 qeth_qdio_clear_card(card, 0);
8450 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8453 driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8454 __qeth_reboot_event_card);
8459 static struct notifier_block qeth_reboot_notifier = {
8465 qeth_register_notifiers(void)
8469 QETH_DBF_TEXT(trace,5,"regnotif");
8470 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8472 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8474 #ifdef CONFIG_QETH_IPV6
8475 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8480 #ifdef CONFIG_QETH_IPV6
8482 unregister_inetaddr_notifier(&qeth_ip_notifier);
8485 unregister_reboot_notifier(&qeth_reboot_notifier);
8490 * unregister all event notifiers
8493 qeth_unregister_notifiers(void)
8496 QETH_DBF_TEXT(trace,5,"unregnot");
8497 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8498 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8499 #ifdef CONFIG_QETH_IPV6
8500 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8501 #endif /* QETH_IPV6 */
8505 #ifdef CONFIG_QETH_IPV6
8507 qeth_ipv6_init(void)
8509 qeth_old_arp_constructor = arp_tbl.constructor;
8510 write_lock(&arp_tbl.lock);
8511 arp_tbl.constructor = qeth_arp_constructor;
8512 write_unlock(&arp_tbl.lock);
8514 arp_direct_ops = (struct neigh_ops*)
8515 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8516 if (!arp_direct_ops)
8519 memcpy(arp_direct_ops, &arp_direct_ops_template,
8520 sizeof(struct neigh_ops));
8526 qeth_ipv6_uninit(void)
8528 write_lock(&arp_tbl.lock);
8529 arp_tbl.constructor = qeth_old_arp_constructor;
8530 write_unlock(&arp_tbl.lock);
8531 kfree(arp_direct_ops);
8533 #endif /* CONFIG_QETH_IPV6 */
8536 qeth_sysfs_unregister(void)
8538 qeth_remove_driver_attributes();
8539 ccw_driver_unregister(&qeth_ccw_driver);
8540 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8541 s390_root_dev_unregister(qeth_root_dev);
8544 * register qeth at sysfs
8547 qeth_sysfs_register(void)
8551 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8554 rc = ccw_driver_register(&qeth_ccw_driver);
8557 rc = qeth_create_driver_attributes();
8560 qeth_root_dev = s390_root_dev_register("qeth");
8561 if (IS_ERR(qeth_root_dev)) {
8562 rc = PTR_ERR(qeth_root_dev);
8576 PRINT_INFO("loading %s\n", version);
8578 INIT_LIST_HEAD(&qeth_card_list.list);
8579 INIT_LIST_HEAD(&qeth_notify_list);
8580 spin_lock_init(&qeth_notify_lock);
8581 rwlock_init(&qeth_card_list.rwlock);
8583 if (qeth_register_dbf_views())
8585 if (qeth_sysfs_register())
8588 #ifdef CONFIG_QETH_IPV6
8589 if (qeth_ipv6_init()) {
8590 PRINT_ERR("Out of memory during ipv6 init.\n");
8593 #endif /* QETH_IPV6 */
8594 if (qeth_register_notifiers())
8596 if (qeth_create_procfs_entries())
8602 qeth_unregister_notifiers();
8604 #ifdef CONFIG_QETH_IPV6
8606 #endif /* QETH_IPV6 */
8608 qeth_sysfs_unregister();
8609 qeth_unregister_dbf_views();
8611 PRINT_ERR("Initialization failed");
8616 __exit qeth_exit(void)
8618 struct qeth_card *card, *tmp;
8619 unsigned long flags;
8621 QETH_DBF_TEXT(trace,1, "cleanup.");
8624 * Weed would not need to clean up our devices here, because the
8625 * common device layer calls qeth_remove_device for each device
8626 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8627 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8628 * qeth_remove_device called by the common device layer would otherwise
8629 * do a "hard" shutdown (card->use_hard_stop is set to one in
8630 * qeth_remove_device).
8633 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8634 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8635 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8636 qeth_set_offline(card->gdev);
8637 qeth_remove_device(card->gdev);
8640 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8641 #ifdef CONFIG_QETH_IPV6
8644 qeth_unregister_notifiers();
8645 qeth_remove_procfs_entries();
8646 qeth_sysfs_unregister();
8647 qeth_unregister_dbf_views();
8648 printk("qeth: removed\n");
8651 EXPORT_SYMBOL(qeth_osn_register);
8652 EXPORT_SYMBOL(qeth_osn_deregister);
8653 EXPORT_SYMBOL(qeth_osn_assist);
8654 module_init(qeth_init);
8655 module_exit(qeth_exit);
8656 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8657 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8658 "Copyright 2000,2003 IBM Corporation\n");
8660 MODULE_LICENSE("GPL");