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;
1076 card->options.performance_stats = 1;
1080 * initialize channels ,card and all state machines
1083 qeth_setup_card(struct qeth_card *card)
1086 QETH_DBF_TEXT(setup, 2, "setupcrd");
1087 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1089 card->read.state = CH_STATE_DOWN;
1090 card->write.state = CH_STATE_DOWN;
1091 card->data.state = CH_STATE_DOWN;
1092 card->state = CARD_STATE_DOWN;
1093 card->lan_online = 0;
1094 card->use_hard_stop = 0;
1096 #ifdef CONFIG_QETH_VLAN
1097 spin_lock_init(&card->vlanlock);
1098 card->vlangrp = NULL;
1100 spin_lock_init(&card->lock);
1101 spin_lock_init(&card->ip_lock);
1102 spin_lock_init(&card->thread_mask_lock);
1103 card->thread_start_mask = 0;
1104 card->thread_allowed_mask = 0;
1105 card->thread_running_mask = 0;
1106 INIT_WORK(&card->kernel_thread_starter,
1107 (void *)qeth_start_kernel_thread,card);
1108 INIT_LIST_HEAD(&card->ip_list);
1109 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1110 if (!card->ip_tbd_list) {
1111 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1114 INIT_LIST_HEAD(card->ip_tbd_list);
1115 INIT_LIST_HEAD(&card->cmd_waiter_list);
1116 init_waitqueue_head(&card->wait_q);
1117 /* intial options */
1118 qeth_set_intial_options(card);
1119 /* IP address takeover */
1120 INIT_LIST_HEAD(&card->ipato.entries);
1121 card->ipato.enabled = 0;
1122 card->ipato.invert4 = 0;
1123 card->ipato.invert6 = 0;
1124 /* init QDIO stuff */
1125 qeth_init_qdio_info(card);
1130 is_1920_device (struct qeth_card *card)
1132 int single_queue = 0;
1133 struct ccw_device *ccwdev;
1134 struct channelPath_dsc {
1145 QETH_DBF_TEXT(setup, 2, "chk_1920");
1147 ccwdev = card->data.ccwdev;
1148 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1149 if (chp_dsc != NULL) {
1150 /* CHPP field bit 6 == 1 -> single queue */
1151 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1154 QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1155 return single_queue;
1159 qeth_determine_card_type(struct qeth_card *card)
1163 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1165 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1166 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1167 while (known_devices[i][4]) {
1168 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1169 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1170 card->info.type = known_devices[i][4];
1171 card->qdio.no_out_queues = known_devices[i][8];
1172 card->info.is_multicast_different = known_devices[i][9];
1173 if (is_1920_device(card)) {
1174 PRINT_INFO("Priority Queueing not able "
1175 "due to hardware limitations!\n");
1176 card->qdio.no_out_queues = 1;
1177 card->qdio.default_out_queue = 0;
1183 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1184 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1189 qeth_probe_device(struct ccwgroup_device *gdev)
1191 struct qeth_card *card;
1193 unsigned long flags;
1196 QETH_DBF_TEXT(setup, 2, "probedev");
1199 if (!get_device(dev))
1202 QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
1204 card = qeth_alloc_card();
1207 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1210 card->read.ccwdev = gdev->cdev[0];
1211 card->write.ccwdev = gdev->cdev[1];
1212 card->data.ccwdev = gdev->cdev[2];
1213 gdev->dev.driver_data = card;
1215 gdev->cdev[0]->handler = qeth_irq;
1216 gdev->cdev[1]->handler = qeth_irq;
1217 gdev->cdev[2]->handler = qeth_irq;
1219 if ((rc = qeth_determine_card_type(card))){
1220 PRINT_WARN("%s: not a valid card type\n", __func__);
1221 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1223 qeth_free_card(card);
1226 if ((rc = qeth_setup_card(card))){
1227 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1229 qeth_free_card(card);
1232 rc = qeth_create_device_attributes(dev);
1235 qeth_free_card(card);
1238 /* insert into our internal list */
1239 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1240 list_add_tail(&card->list, &qeth_card_list.list);
1241 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1247 qeth_get_unitaddr(struct qeth_card *card)
1253 QETH_DBF_TEXT(setup, 2, "getunit");
1254 rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1256 PRINT_ERR("read_conf_data for device %s returned %i\n",
1257 CARD_DDEV_ID(card), rc);
1260 card->info.chpid = prcd[30];
1261 card->info.unit_addr2 = prcd[31];
1262 card->info.cula = prcd[63];
1263 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1264 (prcd[0x11] == _ascebc['M']));
1269 qeth_init_tokens(struct qeth_card *card)
1271 card->token.issuer_rm_w = 0x00010103UL;
1272 card->token.cm_filter_w = 0x00010108UL;
1273 card->token.cm_connection_w = 0x0001010aUL;
1274 card->token.ulp_filter_w = 0x0001010bUL;
1275 card->token.ulp_connection_w = 0x0001010dUL;
1279 raw_devno_from_bus_id(char *id)
1281 id += (strlen(id) - 4);
1282 return (__u16) simple_strtoul(id, &id, 16);
1288 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1290 struct qeth_card *card;
1292 QETH_DBF_TEXT(trace, 4, "setupccw");
1293 card = CARD_FROM_CDEV(channel->ccwdev);
1294 if (channel == &card->read)
1295 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1297 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1298 channel->ccw.count = len;
1299 channel->ccw.cda = (__u32) __pa(iob);
1303 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1305 static struct qeth_cmd_buffer *
1306 __qeth_get_buffer(struct qeth_channel *channel)
1310 QETH_DBF_TEXT(trace, 6, "getbuff");
1311 index = channel->io_buf_no;
1313 if (channel->iob[index].state == BUF_STATE_FREE) {
1314 channel->iob[index].state = BUF_STATE_LOCKED;
1315 channel->io_buf_no = (channel->io_buf_no + 1) %
1317 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1318 return channel->iob + index;
1320 index = (index + 1) % QETH_CMD_BUFFER_NO;
1321 } while(index != channel->io_buf_no);
1327 * release command buffer
1330 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1332 unsigned long flags;
1334 QETH_DBF_TEXT(trace, 6, "relbuff");
1335 spin_lock_irqsave(&channel->iob_lock, flags);
1336 memset(iob->data, 0, QETH_BUFSIZE);
1337 iob->state = BUF_STATE_FREE;
1338 iob->callback = qeth_send_control_data_cb;
1340 spin_unlock_irqrestore(&channel->iob_lock, flags);
1343 static struct qeth_cmd_buffer *
1344 qeth_get_buffer(struct qeth_channel *channel)
1346 struct qeth_cmd_buffer *buffer = NULL;
1347 unsigned long flags;
1349 spin_lock_irqsave(&channel->iob_lock, flags);
1350 buffer = __qeth_get_buffer(channel);
1351 spin_unlock_irqrestore(&channel->iob_lock, flags);
1355 static struct qeth_cmd_buffer *
1356 qeth_wait_for_buffer(struct qeth_channel *channel)
1358 struct qeth_cmd_buffer *buffer;
1359 wait_event(channel->wait_q,
1360 ((buffer = qeth_get_buffer(channel)) != NULL));
1365 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1369 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1370 qeth_release_buffer(channel,&channel->iob[cnt]);
1371 channel->buf_no = 0;
1372 channel->io_buf_no = 0;
1376 * start IDX for read and write channel
1379 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1380 void (*idx_reply_cb)(struct qeth_channel *,
1381 struct qeth_cmd_buffer *))
1383 struct qeth_cmd_buffer *iob;
1384 unsigned long flags;
1386 struct qeth_card *card;
1388 QETH_DBF_TEXT(setup, 2, "idxanswr");
1389 card = CARD_FROM_CDEV(channel->ccwdev);
1390 iob = qeth_get_buffer(channel);
1391 iob->callback = idx_reply_cb;
1392 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1393 channel->ccw.count = QETH_BUFSIZE;
1394 channel->ccw.cda = (__u32) __pa(iob->data);
1396 wait_event(card->wait_q,
1397 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1398 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1399 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1400 rc = ccw_device_start(channel->ccwdev,
1401 &channel->ccw,(addr_t) iob, 0, 0);
1402 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1405 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1406 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1407 atomic_set(&channel->irq_pending, 0);
1408 wake_up(&card->wait_q);
1411 rc = wait_event_interruptible_timeout(card->wait_q,
1412 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1413 if (rc == -ERESTARTSYS)
1415 if (channel->state != CH_STATE_UP){
1417 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1418 qeth_clear_cmd_buffers(channel);
1425 qeth_idx_activate_channel(struct qeth_channel *channel,
1426 void (*idx_reply_cb)(struct qeth_channel *,
1427 struct qeth_cmd_buffer *))
1429 struct qeth_card *card;
1430 struct qeth_cmd_buffer *iob;
1431 unsigned long flags;
1435 card = CARD_FROM_CDEV(channel->ccwdev);
1437 QETH_DBF_TEXT(setup, 2, "idxactch");
1439 iob = qeth_get_buffer(channel);
1440 iob->callback = idx_reply_cb;
1441 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1442 channel->ccw.count = IDX_ACTIVATE_SIZE;
1443 channel->ccw.cda = (__u32) __pa(iob->data);
1444 if (channel == &card->write) {
1445 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1446 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1447 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1448 card->seqno.trans_hdr++;
1450 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1451 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1452 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1454 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1455 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1456 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1457 &card->info.func_level,sizeof(__u16));
1458 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1459 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1460 temp = (card->info.cula << 8) + card->info.unit_addr2;
1461 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1463 wait_event(card->wait_q,
1464 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1465 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1466 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1467 rc = ccw_device_start(channel->ccwdev,
1468 &channel->ccw,(addr_t) iob, 0, 0);
1469 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1472 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1473 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1474 atomic_set(&channel->irq_pending, 0);
1475 wake_up(&card->wait_q);
1478 rc = wait_event_interruptible_timeout(card->wait_q,
1479 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1480 if (rc == -ERESTARTSYS)
1482 if (channel->state != CH_STATE_ACTIVATING) {
1483 PRINT_WARN("qeth: IDX activate timed out!\n");
1484 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1485 qeth_clear_cmd_buffers(channel);
1488 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1492 qeth_peer_func_level(int level)
1494 if ((level & 0xff) == 8)
1495 return (level & 0xff) + 0x400;
1496 if (((level >> 8) & 3) == 1)
1497 return (level & 0xff) + 0x200;
1502 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1504 struct qeth_card *card;
1507 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1509 if (channel->state == CH_STATE_DOWN) {
1510 channel->state = CH_STATE_ACTIVATING;
1513 card = CARD_FROM_CDEV(channel->ccwdev);
1515 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1516 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1517 "reply\n", CARD_WDEV_ID(card));
1520 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1521 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1522 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1523 "function level mismatch "
1524 "(sent: 0x%x, received: 0x%x)\n",
1525 CARD_WDEV_ID(card), card->info.func_level, temp);
1528 channel->state = CH_STATE_UP;
1530 qeth_release_buffer(channel, iob);
1534 qeth_check_idx_response(unsigned char *buffer)
1539 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1540 if ((buffer[2] & 0xc0) == 0xc0) {
1541 PRINT_WARN("received an IDX TERMINATE "
1542 "with cause code 0x%02x%s\n",
1544 ((buffer[4] == 0x22) ?
1545 " -- try another portname" : ""));
1546 QETH_DBF_TEXT(trace, 2, "ckidxres");
1547 QETH_DBF_TEXT(trace, 2, " idxterm");
1548 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1555 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1557 struct qeth_card *card;
1560 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1561 if (channel->state == CH_STATE_DOWN) {
1562 channel->state = CH_STATE_ACTIVATING;
1566 card = CARD_FROM_CDEV(channel->ccwdev);
1567 if (qeth_check_idx_response(iob->data)) {
1570 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1571 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1572 "reply\n", CARD_RDEV_ID(card));
1577 * temporary fix for microcode bug
1578 * to revert it,replace OR by AND
1580 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1581 (card->info.type == QETH_CARD_TYPE_OSAE) )
1582 card->info.portname_required = 1;
1584 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1585 if (temp != qeth_peer_func_level(card->info.func_level)) {
1586 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1587 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1588 CARD_RDEV_ID(card), card->info.func_level, temp);
1591 memcpy(&card->token.issuer_rm_r,
1592 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1593 QETH_MPC_TOKEN_LENGTH);
1594 memcpy(&card->info.mcl_level[0],
1595 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1596 channel->state = CH_STATE_UP;
1598 qeth_release_buffer(channel,iob);
1602 qeth_issue_next_read(struct qeth_card *card)
1605 struct qeth_cmd_buffer *iob;
1607 QETH_DBF_TEXT(trace,5,"issnxrd");
1608 if (card->read.state != CH_STATE_UP)
1610 iob = qeth_get_buffer(&card->read);
1612 PRINT_WARN("issue_next_read failed: no iob available!\n");
1615 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1616 wait_event(card->wait_q,
1617 atomic_cmpxchg(&card->read.irq_pending, 0, 1) == 0);
1618 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1619 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1620 (addr_t) iob, 0, 0);
1622 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1623 atomic_set(&card->read.irq_pending, 0);
1624 qeth_schedule_recovery(card);
1625 wake_up(&card->wait_q);
1630 static struct qeth_reply *
1631 qeth_alloc_reply(struct qeth_card *card)
1633 struct qeth_reply *reply;
1635 reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1637 atomic_set(&reply->refcnt, 1);
1644 qeth_get_reply(struct qeth_reply *reply)
1646 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1647 atomic_inc(&reply->refcnt);
1651 qeth_put_reply(struct qeth_reply *reply)
1653 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1654 if (atomic_dec_and_test(&reply->refcnt))
1659 qeth_cmd_timeout(unsigned long data)
1661 struct qeth_reply *reply, *list_reply, *r;
1662 unsigned long flags;
1664 reply = (struct qeth_reply *) data;
1665 spin_lock_irqsave(&reply->card->lock, flags);
1666 list_for_each_entry_safe(list_reply, r,
1667 &reply->card->cmd_waiter_list, list) {
1668 if (reply == list_reply){
1669 qeth_get_reply(reply);
1670 list_del_init(&reply->list);
1671 spin_unlock_irqrestore(&reply->card->lock, flags);
1673 reply->received = 1;
1674 wake_up(&reply->wait_q);
1675 qeth_put_reply(reply);
1679 spin_unlock_irqrestore(&reply->card->lock, flags);
1683 static struct qeth_ipa_cmd *
1684 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1686 struct qeth_ipa_cmd *cmd = NULL;
1688 QETH_DBF_TEXT(trace,5,"chkipad");
1689 if (IS_IPA(iob->data)){
1690 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1691 if (IS_IPA_REPLY(cmd))
1694 switch (cmd->hdr.command) {
1695 case IPA_CMD_STOPLAN:
1696 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1697 "there is a network problem or "
1698 "someone pulled the cable or "
1699 "disabled the port.\n",
1700 QETH_CARD_IFNAME(card),
1702 card->lan_online = 0;
1703 if (card->dev && netif_carrier_ok(card->dev))
1704 netif_carrier_off(card->dev);
1706 case IPA_CMD_STARTLAN:
1707 PRINT_INFO("Link reestablished on %s "
1708 "(CHPID 0x%X). Scheduling "
1709 "IP address reset.\n",
1710 QETH_CARD_IFNAME(card),
1712 netif_carrier_on(card->dev);
1713 qeth_schedule_recovery(card);
1715 case IPA_CMD_MODCCID:
1717 case IPA_CMD_REGISTER_LOCAL_ADDR:
1718 QETH_DBF_TEXT(trace,3, "irla");
1720 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1721 QETH_DBF_TEXT(trace,3, "urla");
1724 PRINT_WARN("Received data is IPA "
1725 "but not a reply!\n");
1734 * wake all waiting ipa commands
1737 qeth_clear_ipacmd_list(struct qeth_card *card)
1739 struct qeth_reply *reply, *r;
1740 unsigned long flags;
1742 QETH_DBF_TEXT(trace, 4, "clipalst");
1744 spin_lock_irqsave(&card->lock, flags);
1745 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1746 qeth_get_reply(reply);
1748 reply->received = 1;
1749 list_del_init(&reply->list);
1750 wake_up(&reply->wait_q);
1751 qeth_put_reply(reply);
1753 spin_unlock_irqrestore(&card->lock, flags);
1757 qeth_send_control_data_cb(struct qeth_channel *channel,
1758 struct qeth_cmd_buffer *iob)
1760 struct qeth_card *card;
1761 struct qeth_reply *reply, *r;
1762 struct qeth_ipa_cmd *cmd;
1763 unsigned long flags;
1766 QETH_DBF_TEXT(trace,4,"sndctlcb");
1768 card = CARD_FROM_CDEV(channel->ccwdev);
1769 if (qeth_check_idx_response(iob->data)) {
1770 qeth_clear_ipacmd_list(card);
1771 qeth_schedule_recovery(card);
1775 cmd = qeth_check_ipa_data(card, iob);
1776 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1778 /*in case of OSN : check if cmd is set */
1779 if (card->info.type == QETH_CARD_TYPE_OSN &&
1781 cmd->hdr.command != IPA_CMD_STARTLAN &&
1782 card->osn_info.assist_cb != NULL) {
1783 card->osn_info.assist_cb(card->dev, cmd);
1787 spin_lock_irqsave(&card->lock, flags);
1788 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1789 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1790 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1791 qeth_get_reply(reply);
1792 list_del_init(&reply->list);
1793 spin_unlock_irqrestore(&card->lock, flags);
1795 if (reply->callback != NULL) {
1797 reply->offset = (__u16)((char*)cmd -
1799 keep_reply = reply->callback(card,
1801 (unsigned long)cmd);
1803 keep_reply = reply->callback(card,
1805 (unsigned long)iob);
1808 reply->rc = (u16) cmd->hdr.return_code;
1810 reply->rc = iob->rc;
1812 spin_lock_irqsave(&card->lock, flags);
1813 list_add_tail(&reply->list,
1814 &card->cmd_waiter_list);
1815 spin_unlock_irqrestore(&card->lock, flags);
1817 reply->received = 1;
1818 wake_up(&reply->wait_q);
1820 qeth_put_reply(reply);
1824 spin_unlock_irqrestore(&card->lock, flags);
1826 memcpy(&card->seqno.pdu_hdr_ack,
1827 QETH_PDU_HEADER_SEQ_NO(iob->data),
1828 QETH_SEQ_NO_LENGTH);
1829 qeth_release_buffer(channel,iob);
1833 qeth_prepare_control_data(struct qeth_card *card, int len,
1834 struct qeth_cmd_buffer *iob)
1836 qeth_setup_ccw(&card->write,iob->data,len);
1837 iob->callback = qeth_release_buffer;
1839 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1840 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1841 card->seqno.trans_hdr++;
1842 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1843 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1844 card->seqno.pdu_hdr++;
1845 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1846 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1847 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1851 qeth_send_control_data(struct qeth_card *card, int len,
1852 struct qeth_cmd_buffer *iob,
1854 (struct qeth_card *, struct qeth_reply*, unsigned long),
1859 unsigned long flags;
1860 struct qeth_reply *reply = NULL;
1861 struct timer_list timer;
1863 QETH_DBF_TEXT(trace, 2, "sendctl");
1865 reply = qeth_alloc_reply(card);
1867 PRINT_WARN("Could no alloc qeth_reply!\n");
1870 reply->callback = reply_cb;
1871 reply->param = reply_param;
1872 if (card->state == CARD_STATE_DOWN)
1873 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1875 reply->seqno = card->seqno.ipa++;
1877 timer.function = qeth_cmd_timeout;
1878 timer.data = (unsigned long) reply;
1879 init_waitqueue_head(&reply->wait_q);
1880 spin_lock_irqsave(&card->lock, flags);
1881 list_add_tail(&reply->list, &card->cmd_waiter_list);
1882 spin_unlock_irqrestore(&card->lock, flags);
1883 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1884 wait_event(card->wait_q,
1885 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1886 qeth_prepare_control_data(card, len, iob);
1887 if (IS_IPA(iob->data))
1888 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1890 timer.expires = jiffies + QETH_TIMEOUT;
1891 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1892 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1893 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1894 (addr_t) iob, 0, 0);
1895 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1897 PRINT_WARN("qeth_send_control_data: "
1898 "ccw_device_start rc = %i\n", rc);
1899 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1900 spin_lock_irqsave(&card->lock, flags);
1901 list_del_init(&reply->list);
1902 qeth_put_reply(reply);
1903 spin_unlock_irqrestore(&card->lock, flags);
1904 qeth_release_buffer(iob->channel, iob);
1905 atomic_set(&card->write.irq_pending, 0);
1906 wake_up(&card->wait_q);
1910 wait_event(reply->wait_q, reply->received);
1911 del_timer_sync(&timer);
1913 qeth_put_reply(reply);
1918 qeth_osn_send_control_data(struct qeth_card *card, int len,
1919 struct qeth_cmd_buffer *iob)
1921 unsigned long flags;
1924 QETH_DBF_TEXT(trace, 5, "osndctrd");
1926 wait_event(card->wait_q,
1927 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1928 qeth_prepare_control_data(card, len, iob);
1929 QETH_DBF_TEXT(trace, 6, "osnoirqp");
1930 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1931 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1932 (addr_t) iob, 0, 0);
1933 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1935 PRINT_WARN("qeth_osn_send_control_data: "
1936 "ccw_device_start rc = %i\n", rc);
1937 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1938 qeth_release_buffer(iob->channel, iob);
1939 atomic_set(&card->write.irq_pending, 0);
1940 wake_up(&card->wait_q);
1946 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1949 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1950 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1951 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1952 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1956 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1961 QETH_DBF_TEXT(trace,4,"osndipa");
1963 qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
1964 s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
1966 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
1967 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
1968 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
1969 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
1970 return qeth_osn_send_control_data(card, s1, iob);
1974 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1976 (struct qeth_card *,struct qeth_reply*, unsigned long),
1982 QETH_DBF_TEXT(trace,4,"sendipa");
1984 if (card->options.layer2)
1985 if (card->info.type == QETH_CARD_TYPE_OSN)
1986 prot_type = QETH_PROT_OSN2;
1988 prot_type = QETH_PROT_LAYER2;
1990 prot_type = QETH_PROT_TCPIP;
1991 qeth_prepare_ipa_cmd(card,iob,prot_type);
1992 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1993 reply_cb, reply_param);
1999 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2002 struct qeth_cmd_buffer *iob;
2004 QETH_DBF_TEXT(setup, 2, "cmenblcb");
2006 iob = (struct qeth_cmd_buffer *) data;
2007 memcpy(&card->token.cm_filter_r,
2008 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2009 QETH_MPC_TOKEN_LENGTH);
2010 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2015 qeth_cm_enable(struct qeth_card *card)
2018 struct qeth_cmd_buffer *iob;
2020 QETH_DBF_TEXT(setup,2,"cmenable");
2022 iob = qeth_wait_for_buffer(&card->write);
2023 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2024 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2025 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2026 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2027 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2029 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2030 qeth_cm_enable_cb, NULL);
2035 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2039 struct qeth_cmd_buffer *iob;
2041 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
2043 iob = (struct qeth_cmd_buffer *) data;
2044 memcpy(&card->token.cm_connection_r,
2045 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2046 QETH_MPC_TOKEN_LENGTH);
2047 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2052 qeth_cm_setup(struct qeth_card *card)
2055 struct qeth_cmd_buffer *iob;
2057 QETH_DBF_TEXT(setup,2,"cmsetup");
2059 iob = qeth_wait_for_buffer(&card->write);
2060 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2061 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2062 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2063 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2064 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2065 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2066 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2067 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2068 qeth_cm_setup_cb, NULL);
2074 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2078 __u16 mtu, framesize;
2081 struct qeth_cmd_buffer *iob;
2083 QETH_DBF_TEXT(setup, 2, "ulpenacb");
2085 iob = (struct qeth_cmd_buffer *) data;
2086 memcpy(&card->token.ulp_filter_r,
2087 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2088 QETH_MPC_TOKEN_LENGTH);
2089 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2090 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2091 mtu = qeth_get_mtu_outof_framesize(framesize);
2094 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2097 card->info.max_mtu = mtu;
2098 card->info.initial_mtu = mtu;
2099 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2101 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2102 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2103 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2106 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2107 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2109 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2110 card->info.link_type = link_type;
2112 card->info.link_type = 0;
2113 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2118 qeth_ulp_enable(struct qeth_card *card)
2122 struct qeth_cmd_buffer *iob;
2124 /*FIXME: trace view callbacks*/
2125 QETH_DBF_TEXT(setup,2,"ulpenabl");
2127 iob = qeth_wait_for_buffer(&card->write);
2128 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2130 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2131 (__u8) card->info.portno;
2132 if (card->options.layer2)
2133 if (card->info.type == QETH_CARD_TYPE_OSN)
2134 prot_type = QETH_PROT_OSN2;
2136 prot_type = QETH_PROT_LAYER2;
2138 prot_type = QETH_PROT_TCPIP;
2140 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2141 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2142 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2143 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2144 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2145 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2146 card->info.portname, 9);
2147 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2148 qeth_ulp_enable_cb, NULL);
2154 __raw_devno_from_bus_id(char *id)
2156 id += (strlen(id) - 4);
2157 return (__u16) simple_strtoul(id, &id, 16);
2161 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2164 struct qeth_cmd_buffer *iob;
2166 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2168 iob = (struct qeth_cmd_buffer *) data;
2169 memcpy(&card->token.ulp_connection_r,
2170 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2171 QETH_MPC_TOKEN_LENGTH);
2172 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2177 qeth_ulp_setup(struct qeth_card *card)
2181 struct qeth_cmd_buffer *iob;
2183 QETH_DBF_TEXT(setup,2,"ulpsetup");
2185 iob = qeth_wait_for_buffer(&card->write);
2186 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2188 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2189 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2190 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2191 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2192 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2193 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2195 temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2196 memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2197 temp = (card->info.cula << 8) + card->info.unit_addr2;
2198 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2199 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2200 qeth_ulp_setup_cb, NULL);
2205 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2206 unsigned int siga_error, const char *dbftext)
2208 if (qdio_error || siga_error) {
2209 QETH_DBF_TEXT(trace, 2, dbftext);
2210 QETH_DBF_TEXT(qerr, 2, dbftext);
2211 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2212 buf->element[15].flags & 0xff);
2213 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2214 buf->element[14].flags & 0xff);
2215 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2216 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2222 static inline struct sk_buff *
2223 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2225 struct sk_buff* skb;
2229 if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2230 add_len = sizeof(struct qeth_hdr);
2231 #ifdef CONFIG_QETH_VLAN
2233 add_len = VLAN_HLEN;
2235 skb = dev_alloc_skb(length + add_len);
2237 skb_reserve(skb, add_len);
2241 static inline struct sk_buff *
2242 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2243 struct qdio_buffer_element **__element, int *__offset,
2244 struct qeth_hdr **hdr)
2246 struct qdio_buffer_element *element = *__element;
2247 int offset = *__offset;
2248 struct sk_buff *skb = NULL;
2253 QETH_DBF_TEXT(trace,6,"nextskb");
2254 /* qeth_hdr must not cross element boundaries */
2255 if (element->length < offset + sizeof(struct qeth_hdr)){
2256 if (qeth_is_last_sbale(element))
2260 if (element->length < sizeof(struct qeth_hdr))
2263 *hdr = element->addr + offset;
2265 offset += sizeof(struct qeth_hdr);
2266 if (card->options.layer2)
2267 if (card->info.type == QETH_CARD_TYPE_OSN)
2268 skb_len = (*hdr)->hdr.osn.pdu_length;
2270 skb_len = (*hdr)->hdr.l2.pkt_length;
2272 skb_len = (*hdr)->hdr.l3.length;
2276 if (card->options.fake_ll){
2277 if(card->dev->type == ARPHRD_IEEE802_TR){
2278 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr)))
2280 skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
2282 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr)))
2284 skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
2286 } else if (!(skb = qeth_get_skb(skb_len, *hdr)))
2288 data_ptr = element->addr + offset;
2290 data_len = min(skb_len, (int)(element->length - offset));
2292 memcpy(skb_put(skb, data_len), data_ptr, data_len);
2293 skb_len -= data_len;
2295 if (qeth_is_last_sbale(element)){
2296 QETH_DBF_TEXT(trace,4,"unexeob");
2297 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2298 QETH_DBF_TEXT(qerr,2,"unexeob");
2299 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2300 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2301 dev_kfree_skb_any(skb);
2302 card->stats.rx_errors++;
2307 data_ptr = element->addr;
2312 *__element = element;
2316 if (net_ratelimit()){
2317 PRINT_WARN("No memory for packet received on %s.\n",
2318 QETH_CARD_IFNAME(card));
2319 QETH_DBF_TEXT(trace,2,"noskbmem");
2320 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2322 card->stats.rx_dropped++;
2326 static inline __be16
2327 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2329 struct qeth_card *card;
2332 QETH_DBF_TEXT(trace,6,"typtrans");
2334 card = (struct qeth_card *)dev->priv;
2336 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2337 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2338 return tr_type_trans(skb,dev);
2339 #endif /* CONFIG_TR */
2340 skb->mac.raw = skb->data;
2341 skb_pull(skb, ETH_HLEN );
2344 if (*eth->h_dest & 1) {
2345 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2346 skb->pkt_type = PACKET_BROADCAST;
2348 skb->pkt_type = PACKET_MULTICAST;
2349 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2350 skb->pkt_type = PACKET_OTHERHOST;
2352 if (ntohs(eth->h_proto) >= 1536)
2353 return eth->h_proto;
2354 if (*(unsigned short *) (skb->data) == 0xFFFF)
2355 return htons(ETH_P_802_3);
2356 return htons(ETH_P_802_2);
2360 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2361 struct qeth_hdr *hdr)
2363 struct trh_hdr *fake_hdr;
2364 struct trllc *fake_llc;
2365 struct iphdr *ip_hdr;
2367 QETH_DBF_TEXT(trace,5,"skbfktr");
2368 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR;
2369 /* this is a fake ethernet header */
2370 fake_hdr = (struct trh_hdr *) skb->mac.raw;
2372 /* the destination MAC address */
2373 switch (skb->pkt_type){
2374 case PACKET_MULTICAST:
2375 switch (skb->protocol){
2376 #ifdef CONFIG_QETH_IPV6
2377 case __constant_htons(ETH_P_IPV6):
2378 ndisc_mc_map((struct in6_addr *)
2379 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2380 fake_hdr->daddr, card->dev, 0);
2382 #endif /* CONFIG_QETH_IPV6 */
2383 case __constant_htons(ETH_P_IP):
2384 ip_hdr = (struct iphdr *)skb->data;
2385 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2388 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2391 case PACKET_BROADCAST:
2392 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2395 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2397 /* the source MAC address */
2398 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2399 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2401 memset(fake_hdr->saddr, 0, TR_ALEN);
2403 fake_llc = (struct trllc*)&(fake_hdr->rcf);
2404 fake_llc->dsap = EXTENDED_SAP;
2405 fake_llc->ssap = EXTENDED_SAP;
2406 fake_llc->llc = UI_CMD;
2407 fake_llc->protid[0] = 0;
2408 fake_llc->protid[1] = 0;
2409 fake_llc->protid[2] = 0;
2410 fake_llc->ethertype = ETH_P_IP;
2414 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2415 struct qeth_hdr *hdr)
2417 struct ethhdr *fake_hdr;
2418 struct iphdr *ip_hdr;
2420 QETH_DBF_TEXT(trace,5,"skbfketh");
2421 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH;
2422 /* this is a fake ethernet header */
2423 fake_hdr = (struct ethhdr *) skb->mac.raw;
2425 /* the destination MAC address */
2426 switch (skb->pkt_type){
2427 case PACKET_MULTICAST:
2428 switch (skb->protocol){
2429 #ifdef CONFIG_QETH_IPV6
2430 case __constant_htons(ETH_P_IPV6):
2431 ndisc_mc_map((struct in6_addr *)
2432 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2433 fake_hdr->h_dest, card->dev, 0);
2435 #endif /* CONFIG_QETH_IPV6 */
2436 case __constant_htons(ETH_P_IP):
2437 ip_hdr = (struct iphdr *)skb->data;
2438 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2441 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2444 case PACKET_BROADCAST:
2445 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2448 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2450 /* the source MAC address */
2451 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2452 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2454 memset(fake_hdr->h_source, 0, ETH_ALEN);
2456 fake_hdr->h_proto = skb->protocol;
2460 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2461 struct qeth_hdr *hdr)
2463 if (card->dev->type == ARPHRD_IEEE802_TR)
2464 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2466 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2470 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2471 struct qeth_hdr *hdr)
2473 unsigned short vlan_id = 0;
2474 #ifdef CONFIG_QETH_VLAN
2475 struct vlan_hdr *vhdr;
2478 skb->pkt_type = PACKET_HOST;
2479 skb->protocol = qeth_type_trans(skb, skb->dev);
2480 if (card->options.checksum_type == NO_CHECKSUMMING)
2481 skb->ip_summed = CHECKSUM_UNNECESSARY;
2483 skb->ip_summed = CHECKSUM_NONE;
2484 #ifdef CONFIG_QETH_VLAN
2485 if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) {
2486 vhdr = (struct vlan_hdr *) skb->data;
2488 __constant_htons(vhdr->h_vlan_encapsulated_proto);
2489 vlan_id = hdr->hdr.l2.vlan_id;
2490 skb_pull(skb, VLAN_HLEN);
2493 *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2498 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2499 struct qeth_hdr *hdr)
2501 unsigned short vlan_id = 0;
2502 #ifdef CONFIG_QETH_IPV6
2503 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2504 skb->pkt_type = PACKET_HOST;
2505 skb->protocol = qeth_type_trans(skb, card->dev);
2508 #endif /* CONFIG_QETH_IPV6 */
2509 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2511 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2512 case QETH_CAST_UNICAST:
2513 skb->pkt_type = PACKET_HOST;
2515 case QETH_CAST_MULTICAST:
2516 skb->pkt_type = PACKET_MULTICAST;
2517 card->stats.multicast++;
2519 case QETH_CAST_BROADCAST:
2520 skb->pkt_type = PACKET_BROADCAST;
2521 card->stats.multicast++;
2523 case QETH_CAST_ANYCAST:
2524 case QETH_CAST_NOCAST:
2526 skb->pkt_type = PACKET_HOST;
2529 if (hdr->hdr.l3.ext_flags &
2530 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2531 vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2532 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2535 if (card->options.fake_ll)
2536 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2538 skb->mac.raw = skb->data;
2539 skb->ip_summed = card->options.checksum_type;
2540 if (card->options.checksum_type == HW_CHECKSUMMING){
2541 if ( (hdr->hdr.l3.ext_flags &
2542 (QETH_HDR_EXT_CSUM_HDR_REQ |
2543 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2544 (QETH_HDR_EXT_CSUM_HDR_REQ |
2545 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2546 skb->ip_summed = CHECKSUM_UNNECESSARY;
2548 skb->ip_summed = SW_CHECKSUMMING;
2554 qeth_process_inbound_buffer(struct qeth_card *card,
2555 struct qeth_qdio_buffer *buf, int index)
2557 struct qdio_buffer_element *element;
2558 struct sk_buff *skb;
2559 struct qeth_hdr *hdr;
2565 /* get first element of current buffer */
2566 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2568 if (card->options.performance_stats)
2569 card->perf_stats.bufs_rec++;
2570 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2572 skb->dev = card->dev;
2573 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2574 vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
2575 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2576 vlan_tag = qeth_rebuild_skb(card, skb, hdr);
2577 else { /*in case of OSN*/
2578 skb_push(skb, sizeof(struct qeth_hdr));
2579 memcpy(skb->data, hdr, sizeof(struct qeth_hdr));
2581 /* is device UP ? */
2582 if (!(card->dev->flags & IFF_UP)){
2583 dev_kfree_skb_any(skb);
2586 if (card->info.type == QETH_CARD_TYPE_OSN)
2587 rxrc = card->osn_info.data_cb(skb);
2589 #ifdef CONFIG_QETH_VLAN
2592 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2594 dev_kfree_skb_any(skb);
2599 rxrc = netif_rx(skb);
2600 card->dev->last_rx = jiffies;
2601 card->stats.rx_packets++;
2602 card->stats.rx_bytes += skb->len;
2606 static inline struct qeth_buffer_pool_entry *
2607 qeth_get_buffer_pool_entry(struct qeth_card *card)
2609 struct qeth_buffer_pool_entry *entry;
2611 QETH_DBF_TEXT(trace, 6, "gtbfplen");
2612 if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2613 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2614 struct qeth_buffer_pool_entry, list);
2615 list_del_init(&entry->list);
2622 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2624 struct qeth_buffer_pool_entry *pool_entry;
2627 pool_entry = qeth_get_buffer_pool_entry(card);
2629 * since the buffer is accessed only from the input_tasklet
2630 * there shouldn't be a need to synchronize; also, since we use
2631 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2634 BUG_ON(!pool_entry);
2636 buf->pool_entry = pool_entry;
2637 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2638 buf->buffer->element[i].length = PAGE_SIZE;
2639 buf->buffer->element[i].addr = pool_entry->elements[i];
2640 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2641 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2643 buf->buffer->element[i].flags = 0;
2645 buf->state = QETH_QDIO_BUF_EMPTY;
2649 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2650 struct qeth_qdio_out_buffer *buf)
2653 struct sk_buff *skb;
2655 /* is PCI flag set on buffer? */
2656 if (buf->buffer->element[0].flags & 0x40)
2657 atomic_dec(&queue->set_pci_flags_count);
2659 while ((skb = skb_dequeue(&buf->skb_list))){
2660 atomic_dec(&skb->users);
2661 dev_kfree_skb_any(skb);
2663 qeth_eddp_buf_release_contexts(buf);
2664 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2665 buf->buffer->element[i].length = 0;
2666 buf->buffer->element[i].addr = NULL;
2667 buf->buffer->element[i].flags = 0;
2669 buf->next_element_to_fill = 0;
2670 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2674 qeth_queue_input_buffer(struct qeth_card *card, int index)
2676 struct qeth_qdio_q *queue = card->qdio.in_q;
2681 QETH_DBF_TEXT(trace,6,"queinbuf");
2682 count = (index < queue->next_buf_to_init)?
2683 card->qdio.in_buf_pool.buf_count -
2684 (queue->next_buf_to_init - index) :
2685 card->qdio.in_buf_pool.buf_count -
2686 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2687 /* only requeue at a certain threshold to avoid SIGAs */
2688 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2689 for (i = queue->next_buf_to_init;
2690 i < queue->next_buf_to_init + count; ++i)
2691 qeth_init_input_buffer(card,
2692 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2694 * according to old code it should be avoided to requeue all
2695 * 128 buffers in order to benefit from PCI avoidance.
2696 * this function keeps at least one buffer (the buffer at
2697 * 'index') un-requeued -> this buffer is the first buffer that
2698 * will be requeued the next time
2700 if (card->options.performance_stats) {
2701 card->perf_stats.inbound_do_qdio_cnt++;
2702 card->perf_stats.inbound_do_qdio_start_time =
2705 rc = do_QDIO(CARD_DDEV(card),
2706 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2707 0, queue->next_buf_to_init, count, NULL);
2708 if (card->options.performance_stats)
2709 card->perf_stats.inbound_do_qdio_time +=
2711 card->perf_stats.inbound_do_qdio_start_time;
2713 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2714 "return %i (device %s).\n",
2715 rc, CARD_DDEV_ID(card));
2716 QETH_DBF_TEXT(trace,2,"qinberr");
2717 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2719 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2720 QDIO_MAX_BUFFERS_PER_Q;
2725 qeth_put_buffer_pool_entry(struct qeth_card *card,
2726 struct qeth_buffer_pool_entry *entry)
2728 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2729 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2733 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2734 unsigned int qdio_err, unsigned int siga_err,
2735 unsigned int queue, int first_element, int count,
2736 unsigned long card_ptr)
2738 struct net_device *net_dev;
2739 struct qeth_card *card;
2740 struct qeth_qdio_buffer *buffer;
2744 QETH_DBF_TEXT(trace, 6, "qdinput");
2745 card = (struct qeth_card *) card_ptr;
2746 net_dev = card->dev;
2747 if (card->options.performance_stats) {
2748 card->perf_stats.inbound_cnt++;
2749 card->perf_stats.inbound_start_time = qeth_get_micros();
2751 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2752 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2753 QETH_DBF_TEXT(trace, 1,"qdinchk");
2754 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2755 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2756 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2757 qeth_schedule_recovery(card);
2761 for (i = first_element; i < (first_element + count); ++i) {
2762 index = i % QDIO_MAX_BUFFERS_PER_Q;
2763 buffer = &card->qdio.in_q->bufs[index];
2764 if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
2765 qeth_check_qdio_errors(buffer->buffer,
2766 qdio_err, siga_err,"qinerr")))
2767 qeth_process_inbound_buffer(card, buffer, index);
2768 /* clear buffer and give back to hardware */
2769 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2770 qeth_queue_input_buffer(card, index);
2772 if (card->options.performance_stats)
2773 card->perf_stats.inbound_time += qeth_get_micros() -
2774 card->perf_stats.inbound_start_time;
2778 qeth_handle_send_error(struct qeth_card *card,
2779 struct qeth_qdio_out_buffer *buffer,
2780 unsigned int qdio_err, unsigned int siga_err)
2782 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2783 int cc = siga_err & 3;
2785 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2786 qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2790 QETH_DBF_TEXT(trace, 1,"lnkfail");
2791 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2792 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2793 (u16)qdio_err, (u8)sbalf15);
2794 return QETH_SEND_ERROR_LINK_FAILURE;
2796 return QETH_SEND_ERROR_NONE;
2798 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2799 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2800 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2801 return QETH_SEND_ERROR_KICK_IT;
2803 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2804 return QETH_SEND_ERROR_RETRY;
2805 return QETH_SEND_ERROR_LINK_FAILURE;
2806 /* look at qdio_error and sbalf 15 */
2808 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2809 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2810 return QETH_SEND_ERROR_LINK_FAILURE;
2813 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2814 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2815 return QETH_SEND_ERROR_KICK_IT;
2820 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2821 int index, int count)
2823 struct qeth_qdio_out_buffer *buf;
2827 QETH_DBF_TEXT(trace, 6, "flushbuf");
2829 for (i = index; i < index + count; ++i) {
2830 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2831 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2832 SBAL_FLAGS_LAST_ENTRY;
2834 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2837 if (!queue->do_pack){
2838 if ((atomic_read(&queue->used_buffers) >=
2839 (QETH_HIGH_WATERMARK_PACK -
2840 QETH_WATERMARK_PACK_FUZZ)) &&
2841 !atomic_read(&queue->set_pci_flags_count)){
2842 /* it's likely that we'll go to packing
2844 atomic_inc(&queue->set_pci_flags_count);
2845 buf->buffer->element[0].flags |= 0x40;
2848 if (!atomic_read(&queue->set_pci_flags_count)){
2850 * there's no outstanding PCI any more, so we
2851 * have to request a PCI to be sure the the PCI
2852 * will wake at some time in the future then we
2853 * can flush packed buffers that might still be
2854 * hanging around, which can happen if no
2855 * further send was requested by the stack
2857 atomic_inc(&queue->set_pci_flags_count);
2858 buf->buffer->element[0].flags |= 0x40;
2863 queue->card->dev->trans_start = jiffies;
2864 if (queue->card->options.performance_stats) {
2865 queue->card->perf_stats.outbound_do_qdio_cnt++;
2866 queue->card->perf_stats.outbound_do_qdio_start_time =
2870 rc = do_QDIO(CARD_DDEV(queue->card),
2871 QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2872 queue->queue_no, index, count, NULL);
2874 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2875 queue->queue_no, index, count, NULL);
2876 if (queue->card->options.performance_stats)
2877 queue->card->perf_stats.outbound_do_qdio_time +=
2879 queue->card->perf_stats.outbound_do_qdio_start_time;
2881 QETH_DBF_TEXT(trace, 2, "flushbuf");
2882 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2883 QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
2884 queue->card->stats.tx_errors += count;
2885 /* this must not happen under normal circumstances. if it
2886 * happens something is really wrong -> recover */
2887 qeth_schedule_recovery(queue->card);
2890 atomic_add(count, &queue->used_buffers);
2891 if (queue->card->options.performance_stats)
2892 queue->card->perf_stats.bufs_sent += count;
2896 * Switched to packing state if the number of used buffers on a queue
2897 * reaches a certain limit.
2900 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2902 if (!queue->do_pack) {
2903 if (atomic_read(&queue->used_buffers)
2904 >= QETH_HIGH_WATERMARK_PACK){
2905 /* switch non-PACKING -> PACKING */
2906 QETH_DBF_TEXT(trace, 6, "np->pack");
2907 if (queue->card->options.performance_stats)
2908 queue->card->perf_stats.sc_dp_p++;
2915 * Switches from packing to non-packing mode. If there is a packing
2916 * buffer on the queue this buffer will be prepared to be flushed.
2917 * In that case 1 is returned to inform the caller. If no buffer
2918 * has to be flushed, zero is returned.
2921 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2923 struct qeth_qdio_out_buffer *buffer;
2924 int flush_count = 0;
2926 if (queue->do_pack) {
2927 if (atomic_read(&queue->used_buffers)
2928 <= QETH_LOW_WATERMARK_PACK) {
2929 /* switch PACKING -> non-PACKING */
2930 QETH_DBF_TEXT(trace, 6, "pack->np");
2931 if (queue->card->options.performance_stats)
2932 queue->card->perf_stats.sc_p_dp++;
2934 /* flush packing buffers */
2935 buffer = &queue->bufs[queue->next_buf_to_fill];
2936 if ((atomic_read(&buffer->state) ==
2937 QETH_QDIO_BUF_EMPTY) &&
2938 (buffer->next_element_to_fill > 0)) {
2939 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2941 queue->next_buf_to_fill =
2942 (queue->next_buf_to_fill + 1) %
2943 QDIO_MAX_BUFFERS_PER_Q;
2951 * Called to flush a packing buffer if no more pci flags are on the queue.
2952 * Checks if there is a packing buffer and prepares it to be flushed.
2953 * In that case returns 1, otherwise zero.
2956 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2958 struct qeth_qdio_out_buffer *buffer;
2960 buffer = &queue->bufs[queue->next_buf_to_fill];
2961 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2962 (buffer->next_element_to_fill > 0)){
2963 /* it's a packing buffer */
2964 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2965 queue->next_buf_to_fill =
2966 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2973 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2977 int q_was_packing = 0;
2980 * check if weed have to switch to non-packing mode or if
2981 * we have to get a pci flag out on the queue
2983 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2984 !atomic_read(&queue->set_pci_flags_count)){
2985 if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2986 QETH_OUT_Q_UNLOCKED) {
2988 * If we get in here, there was no action in
2989 * do_send_packet. So, we check if there is a
2990 * packing buffer to be flushed here.
2992 netif_stop_queue(queue->card->dev);
2993 index = queue->next_buf_to_fill;
2994 q_was_packing = queue->do_pack;
2995 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
2997 !atomic_read(&queue->set_pci_flags_count))
2999 qeth_flush_buffers_on_no_pci(queue);
3000 if (queue->card->options.performance_stats &&
3002 queue->card->perf_stats.bufs_sent_pack +=
3005 qeth_flush_buffers(queue, 1, index, flush_cnt);
3006 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3012 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
3013 unsigned int qdio_error, unsigned int siga_error,
3014 unsigned int __queue, int first_element, int count,
3015 unsigned long card_ptr)
3017 struct qeth_card *card = (struct qeth_card *) card_ptr;
3018 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3019 struct qeth_qdio_out_buffer *buffer;
3022 QETH_DBF_TEXT(trace, 6, "qdouhdl");
3023 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
3024 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
3025 QETH_DBF_TEXT(trace, 2, "achkcond");
3026 QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
3027 QETH_DBF_TEXT_(trace, 2, "%08x", status);
3028 netif_stop_queue(card->dev);
3029 qeth_schedule_recovery(card);
3033 if (card->options.performance_stats) {
3034 card->perf_stats.outbound_handler_cnt++;
3035 card->perf_stats.outbound_handler_start_time =
3038 for(i = first_element; i < (first_element + count); ++i){
3039 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
3040 /*we only handle the KICK_IT error by doing a recovery */
3041 if (qeth_handle_send_error(card, buffer,
3042 qdio_error, siga_error)
3043 == QETH_SEND_ERROR_KICK_IT){
3044 netif_stop_queue(card->dev);
3045 qeth_schedule_recovery(card);
3048 qeth_clear_output_buffer(queue, buffer);
3050 atomic_sub(count, &queue->used_buffers);
3051 /* check if we need to do something on this outbound queue */
3052 if (card->info.type != QETH_CARD_TYPE_IQD)
3053 qeth_check_outbound_queue(queue);
3055 netif_wake_queue(queue->card->dev);
3056 if (card->options.performance_stats)
3057 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3058 card->perf_stats.outbound_handler_start_time;
3062 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
3065 param_field[0] = _ascebc['P'];
3066 param_field[1] = _ascebc['C'];
3067 param_field[2] = _ascebc['I'];
3068 param_field[3] = _ascebc['T'];
3069 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
3070 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
3071 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
3075 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3077 param_field[16] = _ascebc['B'];
3078 param_field[17] = _ascebc['L'];
3079 param_field[18] = _ascebc['K'];
3080 param_field[19] = _ascebc['T'];
3081 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
3082 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
3083 *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo;
3087 qeth_initialize_working_pool_list(struct qeth_card *card)
3089 struct qeth_buffer_pool_entry *entry;
3091 QETH_DBF_TEXT(trace,5,"inwrklst");
3093 list_for_each_entry(entry,
3094 &card->qdio.init_pool.entry_list, init_list) {
3095 qeth_put_buffer_pool_entry(card,entry);
3100 qeth_clear_working_pool_list(struct qeth_card *card)
3102 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3104 QETH_DBF_TEXT(trace,5,"clwrklst");
3105 list_for_each_entry_safe(pool_entry, tmp,
3106 &card->qdio.in_buf_pool.entry_list, list){
3107 list_del(&pool_entry->list);
3112 qeth_free_buffer_pool(struct qeth_card *card)
3114 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3116 QETH_DBF_TEXT(trace,5,"freepool");
3117 list_for_each_entry_safe(pool_entry, tmp,
3118 &card->qdio.init_pool.entry_list, init_list){
3119 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3120 free_page((unsigned long)pool_entry->elements[i]);
3121 list_del(&pool_entry->init_list);
3127 qeth_alloc_buffer_pool(struct qeth_card *card)
3129 struct qeth_buffer_pool_entry *pool_entry;
3133 QETH_DBF_TEXT(trace,5,"alocpool");
3134 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3135 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3137 qeth_free_buffer_pool(card);
3140 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3141 ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3144 free_page((unsigned long)
3145 pool_entry->elements[--j]);
3147 qeth_free_buffer_pool(card);
3150 pool_entry->elements[j] = ptr;
3152 list_add(&pool_entry->init_list,
3153 &card->qdio.init_pool.entry_list);
3159 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3161 QETH_DBF_TEXT(trace, 2, "realcbp");
3163 if ((card->state != CARD_STATE_DOWN) &&
3164 (card->state != CARD_STATE_RECOVER))
3167 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3168 qeth_clear_working_pool_list(card);
3169 qeth_free_buffer_pool(card);
3170 card->qdio.in_buf_pool.buf_count = bufcnt;
3171 card->qdio.init_pool.buf_count = bufcnt;
3172 return qeth_alloc_buffer_pool(card);
3176 qeth_alloc_qdio_buffers(struct qeth_card *card)
3180 QETH_DBF_TEXT(setup, 2, "allcqdbf");
3182 if (card->qdio.state == QETH_QDIO_ALLOCATED)
3185 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3186 GFP_KERNEL|GFP_DMA);
3187 if (!card->qdio.in_q)
3189 QETH_DBF_TEXT(setup, 2, "inq");
3190 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3191 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3192 /* give inbound qeth_qdio_buffers their qdio_buffers */
3193 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3194 card->qdio.in_q->bufs[i].buffer =
3195 &card->qdio.in_q->qdio_bufs[i];
3196 /* inbound buffer pool */
3197 if (qeth_alloc_buffer_pool(card)){
3198 kfree(card->qdio.in_q);
3203 kmalloc(card->qdio.no_out_queues *
3204 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3205 if (!card->qdio.out_qs){
3206 qeth_free_buffer_pool(card);
3209 for (i = 0; i < card->qdio.no_out_queues; ++i){
3210 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3211 GFP_KERNEL|GFP_DMA);
3212 if (!card->qdio.out_qs[i]){
3214 kfree(card->qdio.out_qs[--i]);
3215 kfree(card->qdio.out_qs);
3218 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3219 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3220 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3221 card->qdio.out_qs[i]->queue_no = i;
3222 /* give outbound qeth_qdio_buffers their qdio_buffers */
3223 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3224 card->qdio.out_qs[i]->bufs[j].buffer =
3225 &card->qdio.out_qs[i]->qdio_bufs[j];
3226 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3229 &card->qdio.out_qs[i]->bufs[j].skb_list.lock,
3230 &qdio_out_skb_queue_key);
3231 INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3234 card->qdio.state = QETH_QDIO_ALLOCATED;
3239 qeth_free_qdio_buffers(struct qeth_card *card)
3243 QETH_DBF_TEXT(trace, 2, "freeqdbf");
3244 if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
3246 kfree(card->qdio.in_q);
3247 /* inbound buffer pool */
3248 qeth_free_buffer_pool(card);
3249 /* free outbound qdio_qs */
3250 for (i = 0; i < card->qdio.no_out_queues; ++i){
3251 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3252 qeth_clear_output_buffer(card->qdio.out_qs[i],
3253 &card->qdio.out_qs[i]->bufs[j]);
3254 kfree(card->qdio.out_qs[i]);
3256 kfree(card->qdio.out_qs);
3257 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3261 qeth_clear_qdio_buffers(struct qeth_card *card)
3265 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3266 /* clear outbound buffers to free skbs */
3267 for (i = 0; i < card->qdio.no_out_queues; ++i)
3268 if (card->qdio.out_qs[i]){
3269 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3270 qeth_clear_output_buffer(card->qdio.out_qs[i],
3271 &card->qdio.out_qs[i]->bufs[j]);
3276 qeth_init_qdio_info(struct qeth_card *card)
3278 QETH_DBF_TEXT(setup, 4, "intqdinf");
3279 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3281 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3282 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3283 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3284 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3285 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3289 qeth_init_qdio_queues(struct qeth_card *card)
3294 QETH_DBF_TEXT(setup, 2, "initqdqs");
3297 memset(card->qdio.in_q->qdio_bufs, 0,
3298 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3299 qeth_initialize_working_pool_list(card);
3300 /*give only as many buffers to hardware as we have buffer pool entries*/
3301 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3302 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3303 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3304 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3305 card->qdio.in_buf_pool.buf_count - 1, NULL);
3307 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3310 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3312 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3315 /* outbound queue */
3316 for (i = 0; i < card->qdio.no_out_queues; ++i){
3317 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3318 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3319 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3320 qeth_clear_output_buffer(card->qdio.out_qs[i],
3321 &card->qdio.out_qs[i]->bufs[j]);
3323 card->qdio.out_qs[i]->card = card;
3324 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3325 card->qdio.out_qs[i]->do_pack = 0;
3326 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3327 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3328 atomic_set(&card->qdio.out_qs[i]->state,
3329 QETH_OUT_Q_UNLOCKED);
3335 qeth_qdio_establish(struct qeth_card *card)
3337 struct qdio_initialize init_data;
3338 char *qib_param_field;
3339 struct qdio_buffer **in_sbal_ptrs;
3340 struct qdio_buffer **out_sbal_ptrs;
3344 QETH_DBF_TEXT(setup, 2, "qdioest");
3346 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3348 if (!qib_param_field)
3351 qeth_create_qib_param_field(card, qib_param_field);
3352 qeth_create_qib_param_field_blkt(card, qib_param_field);
3354 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3356 if (!in_sbal_ptrs) {
3357 kfree(qib_param_field);
3360 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3361 in_sbal_ptrs[i] = (struct qdio_buffer *)
3362 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3365 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3366 sizeof(void *), GFP_KERNEL);
3367 if (!out_sbal_ptrs) {
3368 kfree(in_sbal_ptrs);
3369 kfree(qib_param_field);
3372 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3373 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3374 out_sbal_ptrs[k] = (struct qdio_buffer *)
3375 virt_to_phys(card->qdio.out_qs[i]->
3379 memset(&init_data, 0, sizeof(struct qdio_initialize));
3380 init_data.cdev = CARD_DDEV(card);
3381 init_data.q_format = qeth_get_qdio_q_format(card);
3382 init_data.qib_param_field_format = 0;
3383 init_data.qib_param_field = qib_param_field;
3384 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3385 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3386 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3387 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3388 init_data.no_input_qs = 1;
3389 init_data.no_output_qs = card->qdio.no_out_queues;
3390 init_data.input_handler = (qdio_handler_t *)
3391 qeth_qdio_input_handler;
3392 init_data.output_handler = (qdio_handler_t *)
3393 qeth_qdio_output_handler;
3394 init_data.int_parm = (unsigned long) card;
3395 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3396 QDIO_OUTBOUND_0COPY_SBALS |
3397 QDIO_USE_OUTBOUND_PCIS;
3398 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3399 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3401 if (!(rc = qdio_initialize(&init_data)))
3402 card->qdio.state = QETH_QDIO_ESTABLISHED;
3404 kfree(out_sbal_ptrs);
3405 kfree(in_sbal_ptrs);
3406 kfree(qib_param_field);
3411 qeth_qdio_activate(struct qeth_card *card)
3413 QETH_DBF_TEXT(setup,3,"qdioact");
3414 return qdio_activate(CARD_DDEV(card), 0);
3418 qeth_clear_channel(struct qeth_channel *channel)
3420 unsigned long flags;
3421 struct qeth_card *card;
3424 QETH_DBF_TEXT(trace,3,"clearch");
3425 card = CARD_FROM_CDEV(channel->ccwdev);
3426 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3427 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3428 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3432 rc = wait_event_interruptible_timeout(card->wait_q,
3433 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3434 if (rc == -ERESTARTSYS)
3436 if (channel->state != CH_STATE_STOPPED)
3438 channel->state = CH_STATE_DOWN;
3443 qeth_halt_channel(struct qeth_channel *channel)
3445 unsigned long flags;
3446 struct qeth_card *card;
3449 QETH_DBF_TEXT(trace,3,"haltch");
3450 card = CARD_FROM_CDEV(channel->ccwdev);
3451 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3452 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3453 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3457 rc = wait_event_interruptible_timeout(card->wait_q,
3458 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3459 if (rc == -ERESTARTSYS)
3461 if (channel->state != CH_STATE_HALTED)
3467 qeth_halt_channels(struct qeth_card *card)
3469 int rc1 = 0, rc2=0, rc3 = 0;
3471 QETH_DBF_TEXT(trace,3,"haltchs");
3472 rc1 = qeth_halt_channel(&card->read);
3473 rc2 = qeth_halt_channel(&card->write);
3474 rc3 = qeth_halt_channel(&card->data);
3482 qeth_clear_channels(struct qeth_card *card)
3484 int rc1 = 0, rc2=0, rc3 = 0;
3486 QETH_DBF_TEXT(trace,3,"clearchs");
3487 rc1 = qeth_clear_channel(&card->read);
3488 rc2 = qeth_clear_channel(&card->write);
3489 rc3 = qeth_clear_channel(&card->data);
3498 qeth_clear_halt_card(struct qeth_card *card, int halt)
3502 QETH_DBF_TEXT(trace,3,"clhacrd");
3503 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3506 rc = qeth_halt_channels(card);
3509 return qeth_clear_channels(card);
3513 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3517 QETH_DBF_TEXT(trace,3,"qdioclr");
3518 if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3519 if ((rc = qdio_cleanup(CARD_DDEV(card),
3520 (card->info.type == QETH_CARD_TYPE_IQD) ?
3521 QDIO_FLAG_CLEANUP_USING_HALT :
3522 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3523 QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3524 card->qdio.state = QETH_QDIO_ALLOCATED;
3526 if ((rc = qeth_clear_halt_card(card, use_halt)))
3527 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3528 card->state = CARD_STATE_DOWN;
3533 qeth_dm_act(struct qeth_card *card)
3536 struct qeth_cmd_buffer *iob;
3538 QETH_DBF_TEXT(setup,2,"dmact");
3540 iob = qeth_wait_for_buffer(&card->write);
3541 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3543 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3544 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3545 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3546 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3547 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3552 qeth_mpc_initialize(struct qeth_card *card)
3556 QETH_DBF_TEXT(setup,2,"mpcinit");
3558 if ((rc = qeth_issue_next_read(card))){
3559 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3562 if ((rc = qeth_cm_enable(card))){
3563 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3566 if ((rc = qeth_cm_setup(card))){
3567 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3570 if ((rc = qeth_ulp_enable(card))){
3571 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3574 if ((rc = qeth_ulp_setup(card))){
3575 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3578 if ((rc = qeth_alloc_qdio_buffers(card))){
3579 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3582 if ((rc = qeth_qdio_establish(card))){
3583 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3584 qeth_free_qdio_buffers(card);
3587 if ((rc = qeth_qdio_activate(card))){
3588 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3591 if ((rc = qeth_dm_act(card))){
3592 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3598 qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3602 static struct net_device *
3603 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3605 struct net_device *dev = NULL;
3608 case QETH_CARD_TYPE_OSAE:
3610 case QETH_LINK_TYPE_LANE_TR:
3611 case QETH_LINK_TYPE_HSTR:
3613 dev = alloc_trdev(0);
3614 #endif /* CONFIG_TR */
3617 dev = alloc_etherdev(0);
3620 case QETH_CARD_TYPE_IQD:
3621 dev = alloc_netdev(0, "hsi%d", ether_setup);
3623 case QETH_CARD_TYPE_OSN:
3624 dev = alloc_netdev(0, "osn%d", ether_setup);
3627 dev = alloc_etherdev(0);
3632 /*hard_header fake function; used in case fake_ll is set */
3634 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3635 unsigned short type, void *daddr, void *saddr,
3638 if(dev->type == ARPHRD_IEEE802_TR){
3639 struct trh_hdr *hdr;
3640 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3641 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3642 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3643 return QETH_FAKE_LL_LEN_TR;
3647 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3648 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3649 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3650 if (type != ETH_P_802_3)
3651 hdr->h_proto = htons(type);
3653 hdr->h_proto = htons(len);
3654 return QETH_FAKE_LL_LEN_ETH;
3660 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3663 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3666 struct qeth_card *card;
3668 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3669 card = (struct qeth_card *)dev->priv;
3671 card->stats.tx_dropped++;
3672 card->stats.tx_errors++;
3673 /* return OK; otherwise ksoftirqd goes to 100% */
3674 return NETDEV_TX_OK;
3676 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3677 card->stats.tx_dropped++;
3678 card->stats.tx_errors++;
3679 card->stats.tx_carrier_errors++;
3680 dev_kfree_skb_any(skb);
3681 /* return OK; otherwise ksoftirqd goes to 100% */
3682 return NETDEV_TX_OK;
3684 if (card->options.performance_stats) {
3685 card->perf_stats.outbound_cnt++;
3686 card->perf_stats.outbound_start_time = qeth_get_micros();
3688 netif_stop_queue(dev);
3689 if ((rc = qeth_send_packet(card, skb))) {
3691 return NETDEV_TX_BUSY;
3693 card->stats.tx_errors++;
3694 card->stats.tx_dropped++;
3695 dev_kfree_skb_any(skb);
3696 /*set to OK; otherwise ksoftirqd goes to 100% */
3700 netif_wake_queue(dev);
3701 if (card->options.performance_stats)
3702 card->perf_stats.outbound_time += qeth_get_micros() -
3703 card->perf_stats.outbound_start_time;
3708 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3711 #ifdef CONFIG_QETH_VLAN
3712 struct vlan_group *vg;
3715 if (!(vg = card->vlangrp))
3718 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3719 if (vg->vlan_devices[i] == dev){
3720 rc = QETH_VLAN_CARD;
3724 if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3732 qeth_verify_dev(struct net_device *dev)
3734 struct qeth_card *card;
3735 unsigned long flags;
3738 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3739 list_for_each_entry(card, &qeth_card_list.list, list){
3740 if (card->dev == dev){
3741 rc = QETH_REAL_CARD;
3744 rc = qeth_verify_vlan_dev(dev, card);
3748 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3753 static struct qeth_card *
3754 qeth_get_card_from_dev(struct net_device *dev)
3756 struct qeth_card *card = NULL;
3759 rc = qeth_verify_dev(dev);
3760 if (rc == QETH_REAL_CARD)
3761 card = (struct qeth_card *)dev->priv;
3762 else if (rc == QETH_VLAN_CARD)
3763 card = (struct qeth_card *)
3764 VLAN_DEV_INFO(dev)->real_dev->priv;
3766 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3771 qeth_tx_timeout(struct net_device *dev)
3773 struct qeth_card *card;
3775 card = (struct qeth_card *) dev->priv;
3776 card->stats.tx_errors++;
3777 qeth_schedule_recovery(card);
3781 qeth_open(struct net_device *dev)
3783 struct qeth_card *card;
3785 QETH_DBF_TEXT(trace, 4, "qethopen");
3787 card = (struct qeth_card *) dev->priv;
3789 if (card->state != CARD_STATE_SOFTSETUP)
3792 if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3793 (card->options.layer2) &&
3794 (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3795 QETH_DBF_TEXT(trace,4,"nomacadr");
3798 card->data.state = CH_STATE_UP;
3799 card->state = CARD_STATE_UP;
3800 card->dev->flags |= IFF_UP;
3801 netif_start_queue(dev);
3803 if (!card->lan_online && netif_carrier_ok(dev))
3804 netif_carrier_off(dev);
3809 qeth_stop(struct net_device *dev)
3811 struct qeth_card *card;
3813 QETH_DBF_TEXT(trace, 4, "qethstop");
3815 card = (struct qeth_card *) dev->priv;
3817 netif_tx_disable(dev);
3818 card->dev->flags &= ~IFF_UP;
3819 if (card->state == CARD_STATE_UP)
3820 card->state = CARD_STATE_SOFTSETUP;
3825 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3827 int cast_type = RTN_UNSPEC;
3829 if (card->info.type == QETH_CARD_TYPE_OSN)
3832 if (skb->dst && skb->dst->neighbour){
3833 cast_type = skb->dst->neighbour->type;
3834 if ((cast_type == RTN_BROADCAST) ||
3835 (cast_type == RTN_MULTICAST) ||
3836 (cast_type == RTN_ANYCAST))
3841 /* try something else */
3842 if (skb->protocol == ETH_P_IPV6)
3843 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3844 else if (skb->protocol == ETH_P_IP)
3845 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3847 if (!memcmp(skb->data, skb->dev->broadcast, 6))
3848 return RTN_BROADCAST;
3852 hdr_mac = *((u16 *)skb->data);
3854 switch (card->info.link_type) {
3855 case QETH_LINK_TYPE_HSTR:
3856 case QETH_LINK_TYPE_LANE_TR:
3857 if ((hdr_mac == QETH_TR_MAC_NC) ||
3858 (hdr_mac == QETH_TR_MAC_C))
3859 return RTN_MULTICAST;
3861 /* eth or so multicast? */
3863 if ((hdr_mac == QETH_ETH_MAC_V4) ||
3864 (hdr_mac == QETH_ETH_MAC_V6))
3865 return RTN_MULTICAST;
3872 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3873 int ipv, int cast_type)
3875 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3876 return card->qdio.default_out_queue;
3877 switch (card->qdio.no_out_queues) {
3879 if (cast_type && card->info.is_multicast_different)
3880 return card->info.is_multicast_different &
3881 (card->qdio.no_out_queues - 1);
3882 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3883 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3884 if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT)
3886 if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY)
3888 if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT)
3890 if (skb->nh.iph->tos & IP_TOS_LOWDELAY)
3893 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3894 return 3 - (skb->nh.iph->tos >> 6);
3895 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3898 return card->qdio.default_out_queue;
3899 case 1: /* fallthrough for single-out-queue 1920-device */
3901 return card->qdio.default_out_queue;
3906 qeth_get_ip_version(struct sk_buff *skb)
3908 switch (skb->protocol) {
3918 static inline struct qeth_hdr *
3919 __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv)
3921 #ifdef CONFIG_QETH_VLAN
3923 if (card->vlangrp && vlan_tx_tag_present(skb) &&
3924 ((ipv == 6) || card->options.layer2) ) {
3926 * Move the mac addresses (6 bytes src, 6 bytes dest)
3927 * to the beginning of the new header. We are using three
3928 * memcpys instead of one memmove to save cycles.
3930 skb_push(skb, VLAN_HLEN);
3931 memcpy(skb->data, skb->data + 4, 4);
3932 memcpy(skb->data + 4, skb->data + 8, 4);
3933 memcpy(skb->data + 8, skb->data + 12, 4);
3934 tag = (u16 *)(skb->data + 12);
3936 * first two bytes = ETH_P_8021Q (0x8100)
3937 * second two bytes = VLANID
3939 *tag = __constant_htons(ETH_P_8021Q);
3940 *(tag + 1) = htons(vlan_tx_tag_get(skb));
3943 return ((struct qeth_hdr *)
3944 qeth_push_skb(card, skb, sizeof(struct qeth_hdr)));
3948 __qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb)
3950 if (orig_skb != new_skb)
3951 dev_kfree_skb_any(new_skb);
3954 static inline struct sk_buff *
3955 qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb,
3956 struct qeth_hdr **hdr, int ipv)
3958 struct sk_buff *new_skb;
3960 QETH_DBF_TEXT(trace, 6, "prepskb");
3962 new_skb = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr));
3963 if (new_skb == NULL)
3965 *hdr = __qeth_prepare_skb(card, new_skb, ipv);
3967 __qeth_free_new_skb(skb, new_skb);
3974 qeth_get_qeth_hdr_flags4(int cast_type)
3976 if (cast_type == RTN_MULTICAST)
3977 return QETH_CAST_MULTICAST;
3978 if (cast_type == RTN_BROADCAST)
3979 return QETH_CAST_BROADCAST;
3980 return QETH_CAST_UNICAST;
3984 qeth_get_qeth_hdr_flags6(int cast_type)
3986 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3987 if (cast_type == RTN_MULTICAST)
3988 return ct | QETH_CAST_MULTICAST;
3989 if (cast_type == RTN_ANYCAST)
3990 return ct | QETH_CAST_ANYCAST;
3991 if (cast_type == RTN_BROADCAST)
3992 return ct | QETH_CAST_BROADCAST;
3993 return ct | QETH_CAST_UNICAST;
3997 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
3998 struct sk_buff *skb)
4002 if (!memcmp(skb->data+QETH_HEADER_SIZE,
4003 skb->dev->broadcast,6)) { /* broadcast? */
4004 *(__u32 *)hdr->hdr.l2.flags |=
4005 QETH_LAYER2_FLAG_BROADCAST << 8;
4008 hdr_mac=*((__u16*)skb->data);
4010 switch (card->info.link_type) {
4011 case QETH_LINK_TYPE_HSTR:
4012 case QETH_LINK_TYPE_LANE_TR:
4013 if ((hdr_mac == QETH_TR_MAC_NC) ||
4014 (hdr_mac == QETH_TR_MAC_C) )
4015 *(__u32 *)hdr->hdr.l2.flags |=
4016 QETH_LAYER2_FLAG_MULTICAST << 8;
4018 *(__u32 *)hdr->hdr.l2.flags |=
4019 QETH_LAYER2_FLAG_UNICAST << 8;
4021 /* eth or so multicast? */
4023 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
4024 (hdr_mac==QETH_ETH_MAC_V6) )
4025 *(__u32 *)hdr->hdr.l2.flags |=
4026 QETH_LAYER2_FLAG_MULTICAST << 8;
4028 *(__u32 *)hdr->hdr.l2.flags |=
4029 QETH_LAYER2_FLAG_UNICAST << 8;
4034 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4035 struct sk_buff *skb, int cast_type)
4037 memset(hdr, 0, sizeof(struct qeth_hdr));
4038 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
4040 /* set byte 0 to "0x02" and byte 3 to casting flags */
4041 if (cast_type==RTN_MULTICAST)
4042 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
4043 else if (cast_type==RTN_BROADCAST)
4044 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
4046 qeth_layer2_get_packet_type(card, hdr, skb);
4048 hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4049 #ifdef CONFIG_QETH_VLAN
4050 /* VSWITCH relies on the VLAN
4051 * information to be present in
4052 * the QDIO header */
4053 if ((card->vlangrp != NULL) &&
4054 vlan_tx_tag_present(skb)) {
4055 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4056 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4062 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4063 struct sk_buff *skb, int ipv, int cast_type)
4065 QETH_DBF_TEXT(trace, 6, "fillhdr");
4067 memset(hdr, 0, sizeof(struct qeth_hdr));
4068 if (card->options.layer2) {
4069 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4072 hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4073 hdr->hdr.l3.ext_flags = 0;
4074 #ifdef CONFIG_QETH_VLAN
4076 * before we're going to overwrite this location with next hop ip.
4077 * v6 uses passthrough, v4 sets the tag in the QDIO header.
4079 if (card->vlangrp && vlan_tx_tag_present(skb)) {
4080 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4081 QETH_HDR_EXT_VLAN_FRAME :
4082 QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4083 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4085 #endif /* CONFIG_QETH_VLAN */
4086 hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4087 if (ipv == 4) { /* IPv4 */
4088 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4089 memset(hdr->hdr.l3.dest_addr, 0, 12);
4090 if ((skb->dst) && (skb->dst->neighbour)) {
4091 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4092 *((u32 *) skb->dst->neighbour->primary_key);
4094 /* fill in destination address used in ip header */
4095 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
4097 } else if (ipv == 6) { /* IPv6 or passthru */
4098 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4099 if ((skb->dst) && (skb->dst->neighbour)) {
4100 memcpy(hdr->hdr.l3.dest_addr,
4101 skb->dst->neighbour->primary_key, 16);
4103 /* fill in destination address used in ip header */
4104 memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
4106 } else { /* passthrough */
4107 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4108 !memcmp(skb->data + sizeof(struct qeth_hdr) +
4109 sizeof(__u16), skb->dev->broadcast, 6)) {
4110 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4112 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4113 skb->dev->broadcast, 6)) { /* broadcast? */
4114 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4117 hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4118 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4119 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4125 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4126 int is_tso, int *next_element_to_fill)
4128 int length = skb->len;
4134 element = *next_element_to_fill;
4136 first_lap = (is_tso == 0 ? 1 : 0);
4138 while (length > 0) {
4139 /* length_here is the remaining amount of data in this page */
4140 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4141 if (length < length_here)
4142 length_here = length;
4144 buffer->element[element].addr = data;
4145 buffer->element[element].length = length_here;
4146 length -= length_here;
4149 buffer->element[element].flags = 0;
4151 buffer->element[element].flags =
4152 SBAL_FLAGS_LAST_FRAG;
4155 buffer->element[element].flags =
4156 SBAL_FLAGS_FIRST_FRAG;
4158 buffer->element[element].flags =
4159 SBAL_FLAGS_MIDDLE_FRAG;
4161 data += length_here;
4165 *next_element_to_fill = element;
4169 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4170 struct qeth_qdio_out_buffer *buf,
4171 struct sk_buff *skb)
4173 struct qdio_buffer *buffer;
4174 struct qeth_hdr_tso *hdr;
4175 int flush_cnt = 0, hdr_len, large_send = 0;
4177 QETH_DBF_TEXT(trace, 6, "qdfillbf");
4179 buffer = buf->buffer;
4180 atomic_inc(&skb->users);
4181 skb_queue_tail(&buf->skb_list, skb);
4183 hdr = (struct qeth_hdr_tso *) skb->data;
4184 /*check first on TSO ....*/
4185 if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4186 int element = buf->next_element_to_fill;
4188 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4189 /*fill first buffer entry only with header information */
4190 buffer->element[element].addr = skb->data;
4191 buffer->element[element].length = hdr_len;
4192 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4193 buf->next_element_to_fill++;
4194 skb->data += hdr_len;
4195 skb->len -= hdr_len;
4198 if (skb_shinfo(skb)->nr_frags == 0)
4199 __qeth_fill_buffer(skb, buffer, large_send,
4200 (int *)&buf->next_element_to_fill);
4202 __qeth_fill_buffer_frag(skb, buffer, large_send,
4203 (int *)&buf->next_element_to_fill);
4205 if (!queue->do_pack) {
4206 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4207 /* set state to PRIMED -> will be flushed */
4208 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4211 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4212 if (queue->card->options.performance_stats)
4213 queue->card->perf_stats.skbs_sent_pack++;
4214 if (buf->next_element_to_fill >=
4215 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4217 * packed buffer if full -> set state PRIMED
4218 * -> will be flushed
4220 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4228 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4229 struct sk_buff *skb, struct qeth_hdr *hdr,
4230 int elements_needed,
4231 struct qeth_eddp_context *ctx)
4233 struct qeth_qdio_out_buffer *buffer;
4234 int buffers_needed = 0;
4238 QETH_DBF_TEXT(trace, 6, "dosndpfa");
4240 /* spin until we get the queue ... */
4241 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4242 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4243 /* ... now we've got the queue */
4244 index = queue->next_buf_to_fill;
4245 buffer = &queue->bufs[queue->next_buf_to_fill];
4247 * check if buffer is empty to make sure that we do not 'overtake'
4248 * ourselves and try to fill a buffer that is already primed
4250 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
4253 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4254 QDIO_MAX_BUFFERS_PER_Q;
4256 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4257 if (buffers_needed < 0)
4259 queue->next_buf_to_fill =
4260 (queue->next_buf_to_fill + buffers_needed) %
4261 QDIO_MAX_BUFFERS_PER_Q;
4263 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4265 qeth_fill_buffer(queue, buffer, skb);
4266 qeth_flush_buffers(queue, 0, index, 1);
4268 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4269 WARN_ON(buffers_needed != flush_cnt);
4270 qeth_flush_buffers(queue, 0, index, flush_cnt);
4274 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4279 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4280 struct sk_buff *skb, struct qeth_hdr *hdr,
4281 int elements_needed, struct qeth_eddp_context *ctx)
4283 struct qeth_qdio_out_buffer *buffer;
4285 int flush_count = 0;
4290 QETH_DBF_TEXT(trace, 6, "dosndpkt");
4292 /* spin until we get the queue ... */
4293 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4294 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4295 start_index = queue->next_buf_to_fill;
4296 buffer = &queue->bufs[queue->next_buf_to_fill];
4298 * check if buffer is empty to make sure that we do not 'overtake'
4299 * ourselves and try to fill a buffer that is already primed
4301 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4302 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4305 /* check if we need to switch packing state of this queue */
4306 qeth_switch_to_packing_if_needed(queue);
4307 if (queue->do_pack){
4310 /* does packet fit in current buffer? */
4311 if((QETH_MAX_BUFFER_ELEMENTS(card) -
4312 buffer->next_element_to_fill) < elements_needed){
4313 /* ... no -> set state PRIMED */
4314 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4316 queue->next_buf_to_fill =
4317 (queue->next_buf_to_fill + 1) %
4318 QDIO_MAX_BUFFERS_PER_Q;
4319 buffer = &queue->bufs[queue->next_buf_to_fill];
4320 /* we did a step forward, so check buffer state
4322 if (atomic_read(&buffer->state) !=
4323 QETH_QDIO_BUF_EMPTY){
4324 qeth_flush_buffers(queue, 0, start_index, flush_count);
4325 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4330 /* check if we have enough elements (including following
4331 * free buffers) to handle eddp context */
4332 if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4333 printk("eddp tx_dropped 1\n");
4340 tmp = qeth_fill_buffer(queue, buffer, skb);
4342 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4344 printk("eddp tx_dropped 2\n");
4349 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4350 QDIO_MAX_BUFFERS_PER_Q;
4354 qeth_flush_buffers(queue, 0, start_index, flush_count);
4355 else if (!atomic_read(&queue->set_pci_flags_count))
4356 atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
4358 * queue->state will go from LOCKED -> UNLOCKED or from
4359 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4360 * (switch packing state or flush buffer to get another pci flag out).
4361 * In that case we will enter this loop
4363 while (atomic_dec_return(&queue->state)){
4365 start_index = queue->next_buf_to_fill;
4366 /* check if we can go back to non-packing state */
4367 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4369 * check if we need to flush a packing buffer to get a pci
4370 * flag out on the queue
4372 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4373 flush_count += qeth_flush_buffers_on_no_pci(queue);
4375 qeth_flush_buffers(queue, 0, start_index, flush_count);
4377 /* at this point the queue is UNLOCKED again */
4378 if (queue->card->options.performance_stats && do_pack)
4379 queue->card->perf_stats.bufs_sent_pack += flush_count;
4385 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4386 struct sk_buff *skb, int elems)
4388 int elements_needed = 0;
4390 if (skb_shinfo(skb)->nr_frags > 0)
4391 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4392 if (elements_needed == 0)
4393 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4394 + skb->len) >> PAGE_SHIFT);
4395 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4396 PRINT_ERR("Invalid size of IP packet "
4397 "(Number=%d / Length=%d). Discarded.\n",
4398 (elements_needed+elems), skb->len);
4401 return elements_needed;
4406 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4410 struct qeth_qdio_out_q *queue;
4411 struct qeth_hdr *hdr = NULL;
4412 int elements_needed = 0;
4413 enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4414 struct qeth_eddp_context *ctx = NULL;
4415 int tx_bytes = skb->len;
4416 unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
4417 unsigned short tso_size = skb_shinfo(skb)->gso_size;
4418 struct sk_buff *new_skb, *new_skb2;
4421 QETH_DBF_TEXT(trace, 6, "sendpkt");
4424 if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4425 (skb->protocol == htons(ETH_P_IPV6)))
4427 cast_type = qeth_get_cast_type(card, skb);
4428 if ((cast_type == RTN_BROADCAST) &&
4429 (card->info.broadcast_capable == 0))
4431 queue = card->qdio.out_qs
4432 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4433 if (!card->options.layer2) {
4434 ipv = qeth_get_ip_version(skb);
4435 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4436 new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
4439 if(card->dev->type == ARPHRD_IEEE802_TR){
4440 skb_pull(new_skb, QETH_FAKE_LL_LEN_TR);
4442 skb_pull(new_skb, QETH_FAKE_LL_LEN_ETH);
4446 if (skb_is_gso(skb))
4447 large_send = card->options.large_send;
4448 /* check on OSN device*/
4449 if (card->info.type == QETH_CARD_TYPE_OSN)
4450 hdr = (struct qeth_hdr *)new_skb->data;
4451 /*are we able to do TSO ? */
4452 if ((large_send == QETH_LARGE_SEND_TSO) &&
4453 (cast_type == RTN_UNSPEC)) {
4454 rc = qeth_tso_prepare_packet(card, new_skb, ipv, cast_type);
4456 __qeth_free_new_skb(skb, new_skb);
4460 } else if (card->info.type != QETH_CARD_TYPE_OSN) {
4461 new_skb2 = qeth_prepare_skb(card, new_skb, &hdr, ipv);
4463 __qeth_free_new_skb(skb, new_skb);
4467 __qeth_free_new_skb(new_skb2, new_skb);
4469 qeth_fill_header(card, hdr, new_skb, ipv, cast_type);
4471 if (large_send == QETH_LARGE_SEND_EDDP) {
4472 ctx = qeth_eddp_create_context(card, new_skb, hdr);
4474 __qeth_free_new_skb(skb, new_skb);
4475 PRINT_WARN("could not create eddp context\n");
4479 int elems = qeth_get_elements_no(card,(void*) hdr, new_skb,
4482 __qeth_free_new_skb(skb, new_skb);
4485 elements_needed += elems;
4488 if (card->info.type != QETH_CARD_TYPE_IQD)
4489 rc = qeth_do_send_packet(card, queue, new_skb, hdr,
4490 elements_needed, ctx);
4492 rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
4493 elements_needed, ctx);
4495 card->stats.tx_packets++;
4496 card->stats.tx_bytes += tx_bytes;
4498 dev_kfree_skb_any(skb);
4499 if (card->options.performance_stats) {
4501 !(large_send == QETH_LARGE_SEND_NO)) {
4502 card->perf_stats.large_send_bytes += tx_bytes;
4503 card->perf_stats.large_send_cnt++;
4506 card->perf_stats.sg_skbs_sent++;
4507 /* nr_frags + skb->data */
4508 card->perf_stats.sg_frags_sent +=
4513 card->stats.tx_dropped++;
4514 __qeth_free_new_skb(skb, new_skb);
4517 /* drop creator's reference */
4518 qeth_eddp_put_context(ctx);
4519 /* free skb; it's not referenced by a buffer */
4521 dev_kfree_skb_any(new_skb);
4527 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4529 struct qeth_card *card = (struct qeth_card *) dev->priv;
4533 case MII_BMCR: /* Basic mode control register */
4535 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4536 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4537 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4538 rc |= BMCR_SPEED100;
4540 case MII_BMSR: /* Basic mode status register */
4541 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4542 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4545 case MII_PHYSID1: /* PHYS ID 1 */
4546 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4548 rc = (rc >> 5) & 0xFFFF;
4550 case MII_PHYSID2: /* PHYS ID 2 */
4551 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4553 case MII_ADVERTISE: /* Advertisement control reg */
4556 case MII_LPA: /* Link partner ability reg */
4557 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4558 LPA_100BASE4 | LPA_LPACK;
4560 case MII_EXPANSION: /* Expansion register */
4562 case MII_DCOUNTER: /* disconnect counter */
4564 case MII_FCSCOUNTER: /* false carrier counter */
4566 case MII_NWAYTEST: /* N-way auto-neg test register */
4568 case MII_RERRCOUNTER: /* rx error counter */
4569 rc = card->stats.rx_errors;
4571 case MII_SREVISION: /* silicon revision */
4573 case MII_RESV1: /* reserved 1 */
4575 case MII_LBRERROR: /* loopback, rx, bypass error */
4577 case MII_PHYADDR: /* physical address */
4579 case MII_RESV2: /* reserved 2 */
4581 case MII_TPISTATUS: /* TPI status for 10mbps */
4583 case MII_NCONFIG: /* network interface config */
4592 static inline const char *
4593 qeth_arp_get_error_cause(int *rc)
4596 case QETH_IPA_ARP_RC_FAILED:
4598 return "operation failed";
4599 case QETH_IPA_ARP_RC_NOTSUPP:
4601 return "operation not supported";
4602 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4604 return "argument out of range";
4605 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4607 return "query operation not supported";
4608 case QETH_IPA_ARP_RC_Q_NO_DATA:
4610 return "no query data available";
4612 return "unknown error";
4617 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4621 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4626 QETH_DBF_TEXT(trace,3,"arpstnoe");
4629 * currently GuestLAN only supports the ARP assist function
4630 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4631 * thus we say EOPNOTSUPP for this ARP function
4633 if (card->info.guestlan)
4635 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4636 PRINT_WARN("ARP processing not supported "
4637 "on %s!\n", QETH_CARD_IFNAME(card));
4640 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4641 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4645 PRINT_WARN("Could not set number of ARP entries on %s: "
4647 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4654 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4655 struct qeth_arp_query_data *qdata,
4656 int entry_size, int uentry_size)
4662 entry_ptr = (char *)&qdata->data;
4663 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4664 for (i = 0; i < qdata->no_entries; ++i){
4665 /* strip off 32 bytes "media specific information" */
4666 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4667 entry_ptr += entry_size;
4668 uentry_ptr += uentry_size;
4673 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4676 struct qeth_ipa_cmd *cmd;
4677 struct qeth_arp_query_data *qdata;
4678 struct qeth_arp_query_info *qinfo;
4683 QETH_DBF_TEXT(trace,4,"arpquecb");
4685 qinfo = (struct qeth_arp_query_info *) reply->param;
4686 cmd = (struct qeth_ipa_cmd *) data;
4687 if (cmd->hdr.return_code) {
4688 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4691 if (cmd->data.setassparms.hdr.return_code) {
4692 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4693 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4696 qdata = &cmd->data.setassparms.data.query_arp;
4697 switch(qdata->reply_bits){
4699 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4700 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4701 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4704 /* fall through to default */
4706 /* tr is the same as eth -> entry7 */
4707 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4708 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4709 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4712 /* check if there is enough room in userspace */
4713 if ((qinfo->udata_len - qinfo->udata_offset) <
4714 qdata->no_entries * uentry_size){
4715 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4716 cmd->hdr.return_code = -ENOMEM;
4717 PRINT_WARN("query ARP user space buffer is too small for "
4718 "the returned number of ARP entries. "
4719 "Aborting query!\n");
4722 QETH_DBF_TEXT_(trace, 4, "anore%i",
4723 cmd->data.setassparms.hdr.number_of_replies);
4724 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4725 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4727 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4728 /* strip off "media specific information" */
4729 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4732 /*copy entries to user buffer*/
4733 memcpy(qinfo->udata + qinfo->udata_offset,
4734 (char *)&qdata->data, qdata->no_entries*uentry_size);
4736 qinfo->no_entries += qdata->no_entries;
4737 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4738 /* check if all replies received ... */
4739 if (cmd->data.setassparms.hdr.seq_no <
4740 cmd->data.setassparms.hdr.number_of_replies)
4742 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4743 /* keep STRIP_ENTRIES flag so the user program can distinguish
4744 * stripped entries from normal ones */
4745 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4746 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4747 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4751 memcpy(qinfo->udata, &i, 4);
4756 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4757 int len, int (*reply_cb)(struct qeth_card *,
4758 struct qeth_reply *,
4762 QETH_DBF_TEXT(trace,4,"sendarp");
4764 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4765 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4766 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4767 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4768 reply_cb, reply_param);
4772 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4773 int len, int (*reply_cb)(struct qeth_card *,
4774 struct qeth_reply *,
4780 QETH_DBF_TEXT(trace,4,"sendsnmp");
4782 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4783 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4784 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4785 /* adjust PDU length fields in IPA_PDU_HEADER */
4786 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4788 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4789 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4790 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4791 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4792 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4793 reply_cb, reply_param);
4796 static struct qeth_cmd_buffer *
4797 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4798 __u16, __u16, enum qeth_prot_versions);
4800 qeth_arp_query(struct qeth_card *card, char __user *udata)
4802 struct qeth_cmd_buffer *iob;
4803 struct qeth_arp_query_info qinfo = {0, };
4807 QETH_DBF_TEXT(trace,3,"arpquery");
4809 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4810 IPA_ARP_PROCESSING)) {
4811 PRINT_WARN("ARP processing not supported "
4812 "on %s!\n", QETH_CARD_IFNAME(card));
4815 /* get size of userspace buffer and mask_bits -> 6 bytes */
4816 if (copy_from_user(&qinfo, udata, 6))
4818 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
4820 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4821 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4822 IPA_CMD_ASS_ARP_QUERY_INFO,
4823 sizeof(int),QETH_PROT_IPV4);
4825 rc = qeth_send_ipa_arp_cmd(card, iob,
4826 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4827 qeth_arp_query_cb, (void *)&qinfo);
4830 PRINT_WARN("Error while querying ARP cache on %s: %s "
4832 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4834 copy_to_user(udata, qinfo.udata, 4);
4836 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4843 * SNMP command callback
4846 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4847 unsigned long sdata)
4849 struct qeth_ipa_cmd *cmd;
4850 struct qeth_arp_query_info *qinfo;
4851 struct qeth_snmp_cmd *snmp;
4852 unsigned char *data;
4855 QETH_DBF_TEXT(trace,3,"snpcmdcb");
4857 cmd = (struct qeth_ipa_cmd *) sdata;
4858 data = (unsigned char *)((char *)cmd - reply->offset);
4859 qinfo = (struct qeth_arp_query_info *) reply->param;
4860 snmp = &cmd->data.setadapterparms.data.snmp;
4862 if (cmd->hdr.return_code) {
4863 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4866 if (cmd->data.setadapterparms.hdr.return_code) {
4867 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4868 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4871 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4872 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4873 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4875 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4877 /* check if there is enough room in userspace */
4878 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4879 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4880 cmd->hdr.return_code = -ENOMEM;
4883 QETH_DBF_TEXT_(trace, 4, "snore%i",
4884 cmd->data.setadapterparms.hdr.used_total);
4885 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4886 /*copy entries to user buffer*/
4887 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4888 memcpy(qinfo->udata + qinfo->udata_offset,
4890 data_len + offsetof(struct qeth_snmp_cmd,data));
4891 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4893 memcpy(qinfo->udata + qinfo->udata_offset,
4894 (char *)&snmp->request, data_len);
4896 qinfo->udata_offset += data_len;
4897 /* check if all replies received ... */
4898 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4899 cmd->data.setadapterparms.hdr.used_total);
4900 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4901 cmd->data.setadapterparms.hdr.seq_no);
4902 if (cmd->data.setadapterparms.hdr.seq_no <
4903 cmd->data.setadapterparms.hdr.used_total)
4908 static struct qeth_cmd_buffer *
4909 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4910 enum qeth_prot_versions );
4912 static struct qeth_cmd_buffer *
4913 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4915 struct qeth_cmd_buffer *iob;
4916 struct qeth_ipa_cmd *cmd;
4918 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4920 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4921 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4922 cmd->data.setadapterparms.hdr.command_code = command;
4923 cmd->data.setadapterparms.hdr.used_total = 1;
4924 cmd->data.setadapterparms.hdr.seq_no = 1;
4930 * function to send SNMP commands to OSA-E card
4933 qeth_snmp_command(struct qeth_card *card, char __user *udata)
4935 struct qeth_cmd_buffer *iob;
4936 struct qeth_ipa_cmd *cmd;
4937 struct qeth_snmp_ureq *ureq;
4939 struct qeth_arp_query_info qinfo = {0, };
4942 QETH_DBF_TEXT(trace,3,"snmpcmd");
4944 if (card->info.guestlan)
4947 if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4948 (!card->options.layer2) ) {
4949 PRINT_WARN("SNMP Query MIBS not supported "
4950 "on %s!\n", QETH_CARD_IFNAME(card));
4953 /* skip 4 bytes (data_len struct member) to get req_len */
4954 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4956 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4958 QETH_DBF_TEXT(trace, 2, "snmpnome");
4961 if (copy_from_user(ureq, udata,
4962 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4966 qinfo.udata_len = ureq->hdr.data_len;
4967 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
4971 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4973 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4974 QETH_SNMP_SETADP_CMDLENGTH + req_len);
4975 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4976 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4977 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4978 qeth_snmp_command_cb, (void *)&qinfo);
4980 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4981 QETH_CARD_IFNAME(card), rc);
4983 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4991 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
4995 qeth_default_setadapterparms_cb(struct qeth_card *card,
4996 struct qeth_reply *reply,
4997 unsigned long data);
4999 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5002 (struct qeth_card *, struct qeth_reply *, unsigned long),
5006 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5008 struct qeth_cmd_buffer *iob;
5013 QETH_DBF_TEXT(trace,3,"arpadent");
5016 * currently GuestLAN only supports the ARP assist function
5017 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5018 * thus we say EOPNOTSUPP for this ARP function
5020 if (card->info.guestlan)
5022 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5023 PRINT_WARN("ARP processing not supported "
5024 "on %s!\n", QETH_CARD_IFNAME(card));
5028 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5029 IPA_CMD_ASS_ARP_ADD_ENTRY,
5030 sizeof(struct qeth_arp_cache_entry),
5032 rc = qeth_send_setassparms(card, iob,
5033 sizeof(struct qeth_arp_cache_entry),
5034 (unsigned long) entry,
5035 qeth_default_setassparms_cb, NULL);
5038 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5039 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5041 buf, QETH_CARD_IFNAME(card),
5042 qeth_arp_get_error_cause(&rc), tmp, tmp);
5048 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5050 struct qeth_cmd_buffer *iob;
5051 char buf[16] = {0, };
5055 QETH_DBF_TEXT(trace,3,"arprment");
5058 * currently GuestLAN only supports the ARP assist function
5059 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5060 * thus we say EOPNOTSUPP for this ARP function
5062 if (card->info.guestlan)
5064 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5065 PRINT_WARN("ARP processing not supported "
5066 "on %s!\n", QETH_CARD_IFNAME(card));
5069 memcpy(buf, entry, 12);
5070 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5071 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5074 rc = qeth_send_setassparms(card, iob,
5075 12, (unsigned long)buf,
5076 qeth_default_setassparms_cb, NULL);
5080 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5081 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5083 buf, QETH_CARD_IFNAME(card),
5084 qeth_arp_get_error_cause(&rc), tmp, tmp);
5090 qeth_arp_flush_cache(struct qeth_card *card)
5095 QETH_DBF_TEXT(trace,3,"arpflush");
5098 * currently GuestLAN only supports the ARP assist function
5099 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5100 * thus we say EOPNOTSUPP for this ARP function
5102 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5104 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5105 PRINT_WARN("ARP processing not supported "
5106 "on %s!\n", QETH_CARD_IFNAME(card));
5109 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5110 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5113 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5114 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5121 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5123 struct qeth_card *card = (struct qeth_card *)dev->priv;
5124 struct qeth_arp_cache_entry arp_entry;
5125 struct mii_ioctl_data *mii_data;
5131 if ((card->state != CARD_STATE_UP) &&
5132 (card->state != CARD_STATE_SOFTSETUP))
5135 if (card->info.type == QETH_CARD_TYPE_OSN)
5139 case SIOC_QETH_ARP_SET_NO_ENTRIES:
5140 if ( !capable(CAP_NET_ADMIN) ||
5141 (card->options.layer2) ) {
5145 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5147 case SIOC_QETH_ARP_QUERY_INFO:
5148 if ( !capable(CAP_NET_ADMIN) ||
5149 (card->options.layer2) ) {
5153 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5155 case SIOC_QETH_ARP_ADD_ENTRY:
5156 if ( !capable(CAP_NET_ADMIN) ||
5157 (card->options.layer2) ) {
5161 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5162 sizeof(struct qeth_arp_cache_entry)))
5165 rc = qeth_arp_add_entry(card, &arp_entry);
5167 case SIOC_QETH_ARP_REMOVE_ENTRY:
5168 if ( !capable(CAP_NET_ADMIN) ||
5169 (card->options.layer2) ) {
5173 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5174 sizeof(struct qeth_arp_cache_entry)))
5177 rc = qeth_arp_remove_entry(card, &arp_entry);
5179 case SIOC_QETH_ARP_FLUSH_CACHE:
5180 if ( !capable(CAP_NET_ADMIN) ||
5181 (card->options.layer2) ) {
5185 rc = qeth_arp_flush_cache(card);
5187 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5188 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5190 case SIOC_QETH_GET_CARD_TYPE:
5191 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5192 !card->info.guestlan)
5197 mii_data = if_mii(rq);
5198 mii_data->phy_id = 0;
5201 mii_data = if_mii(rq);
5202 if (mii_data->phy_id != 0)
5205 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5212 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5216 static struct net_device_stats *
5217 qeth_get_stats(struct net_device *dev)
5219 struct qeth_card *card;
5221 card = (struct qeth_card *) (dev->priv);
5223 QETH_DBF_TEXT(trace,5,"getstat");
5225 return &card->stats;
5229 qeth_change_mtu(struct net_device *dev, int new_mtu)
5231 struct qeth_card *card;
5234 card = (struct qeth_card *) (dev->priv);
5236 QETH_DBF_TEXT(trace,4,"chgmtu");
5237 sprintf(dbf_text, "%8x", new_mtu);
5238 QETH_DBF_TEXT(trace,4,dbf_text);
5242 if (new_mtu > 65535)
5244 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5245 (!qeth_mtu_is_valid(card, new_mtu)))
5251 #ifdef CONFIG_QETH_VLAN
5253 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5255 struct qeth_card *card;
5256 unsigned long flags;
5258 QETH_DBF_TEXT(trace,4,"vlanreg");
5260 card = (struct qeth_card *) dev->priv;
5261 spin_lock_irqsave(&card->vlanlock, flags);
5262 card->vlangrp = grp;
5263 spin_unlock_irqrestore(&card->vlanlock, flags);
5267 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5271 struct sk_buff *skb;
5272 struct sk_buff_head tmp_list;
5274 skb_queue_head_init(&tmp_list);
5275 lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key);
5276 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5277 while ((skb = skb_dequeue(&buf->skb_list))){
5278 if (vlan_tx_tag_present(skb) &&
5279 (vlan_tx_tag_get(skb) == vid)) {
5280 atomic_dec(&skb->users);
5283 skb_queue_tail(&tmp_list, skb);
5286 while ((skb = skb_dequeue(&tmp_list)))
5287 skb_queue_tail(&buf->skb_list, skb);
5291 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5295 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5296 for (i = 0; i < card->qdio.no_out_queues; ++i){
5297 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5298 qeth_free_vlan_buffer(card, &card->qdio.
5299 out_qs[i]->bufs[j], vid);
5304 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5306 struct in_device *in_dev;
5307 struct in_ifaddr *ifa;
5308 struct qeth_ipaddr *addr;
5310 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5313 in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
5316 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5317 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5319 addr->u.a4.addr = ifa->ifa_address;
5320 addr->u.a4.mask = ifa->ifa_mask;
5321 addr->type = QETH_IP_TYPE_NORMAL;
5322 if (!qeth_delete_ip(card, addr))
5331 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5333 #ifdef CONFIG_QETH_IPV6
5334 struct inet6_dev *in6_dev;
5335 struct inet6_ifaddr *ifa;
5336 struct qeth_ipaddr *addr;
5338 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5340 in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
5343 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5344 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5346 memcpy(&addr->u.a6.addr, &ifa->addr,
5347 sizeof(struct in6_addr));
5348 addr->u.a6.pfxlen = ifa->prefix_len;
5349 addr->type = QETH_IP_TYPE_NORMAL;
5350 if (!qeth_delete_ip(card, addr))
5354 in6_dev_put(in6_dev);
5355 #endif /* CONFIG_QETH_IPV6 */
5359 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5361 if (card->options.layer2 || !card->vlangrp)
5363 qeth_free_vlan_addresses4(card, vid);
5364 qeth_free_vlan_addresses6(card, vid);
5368 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5369 struct qeth_reply *reply,
5372 struct qeth_ipa_cmd *cmd;
5374 QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5375 cmd = (struct qeth_ipa_cmd *) data;
5376 if (cmd->hdr.return_code) {
5377 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5378 "Continuing\n",cmd->data.setdelvlan.vlan_id,
5379 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5380 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5381 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5382 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5388 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5389 enum qeth_ipa_cmds ipacmd)
5391 struct qeth_ipa_cmd *cmd;
5392 struct qeth_cmd_buffer *iob;
5394 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5395 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5396 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5397 cmd->data.setdelvlan.vlan_id = i;
5398 return qeth_send_ipa_cmd(card, iob,
5399 qeth_layer2_send_setdelvlan_cb, NULL);
5403 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5407 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5411 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5412 if (card->vlangrp->vlan_devices[i] == NULL)
5415 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5417 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5421 /*add_vid is layer 2 used only ....*/
5423 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5425 struct qeth_card *card;
5427 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5429 card = (struct qeth_card *) dev->priv;
5430 if (!card->options.layer2)
5432 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5435 /*... kill_vid used for both modes*/
5437 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5439 struct qeth_card *card;
5440 unsigned long flags;
5442 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5444 card = (struct qeth_card *) dev->priv;
5445 /* free all skbs for the vlan device */
5446 qeth_free_vlan_skbs(card, vid);
5447 spin_lock_irqsave(&card->vlanlock, flags);
5448 /* unregister IP addresses of vlan device */
5449 qeth_free_vlan_addresses(card, vid);
5451 card->vlangrp->vlan_devices[vid] = NULL;
5452 spin_unlock_irqrestore(&card->vlanlock, flags);
5453 if (card->options.layer2)
5454 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5455 qeth_set_multicast_list(card->dev);
5459 * Examine hardware response to SET_PROMISC_MODE
5462 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5463 struct qeth_reply *reply,
5466 struct qeth_ipa_cmd *cmd;
5467 struct qeth_ipacmd_setadpparms *setparms;
5469 QETH_DBF_TEXT(trace,4,"prmadpcb");
5471 cmd = (struct qeth_ipa_cmd *) data;
5472 setparms = &(cmd->data.setadapterparms);
5474 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5475 if (cmd->hdr.return_code) {
5476 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5477 setparms->data.mode = SET_PROMISC_MODE_OFF;
5479 card->info.promisc_mode = setparms->data.mode;
5483 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5486 qeth_setadp_promisc_mode(struct qeth_card *card)
5488 enum qeth_ipa_promisc_modes mode;
5489 struct net_device *dev = card->dev;
5490 struct qeth_cmd_buffer *iob;
5491 struct qeth_ipa_cmd *cmd;
5493 QETH_DBF_TEXT(trace, 4, "setprom");
5495 if (((dev->flags & IFF_PROMISC) &&
5496 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5497 (!(dev->flags & IFF_PROMISC) &&
5498 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5500 mode = SET_PROMISC_MODE_OFF;
5501 if (dev->flags & IFF_PROMISC)
5502 mode = SET_PROMISC_MODE_ON;
5503 QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5505 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5506 sizeof(struct qeth_ipacmd_setadpparms));
5507 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5508 cmd->data.setadapterparms.data.mode = mode;
5509 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5513 * set multicast address on card
5516 qeth_set_multicast_list(struct net_device *dev)
5518 struct qeth_card *card = (struct qeth_card *) dev->priv;
5520 if (card->info.type == QETH_CARD_TYPE_OSN)
5523 QETH_DBF_TEXT(trace, 3, "setmulti");
5524 qeth_delete_mc_addresses(card);
5525 if (card->options.layer2) {
5526 qeth_layer2_add_multicast(card);
5529 qeth_add_multicast_ipv4(card);
5530 #ifdef CONFIG_QETH_IPV6
5531 qeth_add_multicast_ipv6(card);
5534 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5535 schedule_work(&card->kernel_thread_starter);
5536 if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5538 if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
5539 schedule_work(&card->kernel_thread_starter);
5543 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5549 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5551 if (dev->type == ARPHRD_IEEE802_TR)
5552 ip_tr_mc_map(ipm, mac);
5554 ip_eth_mc_map(ipm, mac);
5557 static struct qeth_ipaddr *
5558 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5560 struct qeth_ipaddr *addr;
5562 addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5564 PRINT_WARN("Not enough memory to add address\n");
5567 addr->type = QETH_IP_TYPE_NORMAL;
5573 qeth_osn_assist(struct net_device *dev,
5577 struct qeth_cmd_buffer *iob;
5578 struct qeth_card *card;
5581 QETH_DBF_TEXT(trace, 2, "osnsdmc");
5584 card = (struct qeth_card *)dev->priv;
5587 if ((card->state != CARD_STATE_UP) &&
5588 (card->state != CARD_STATE_SOFTSETUP))
5590 iob = qeth_wait_for_buffer(&card->write);
5591 memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5592 rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5596 static struct net_device *
5597 qeth_netdev_by_devno(unsigned char *read_dev_no)
5599 struct qeth_card *card;
5600 struct net_device *ndev;
5601 unsigned char *readno;
5602 __u16 temp_dev_no, card_dev_no;
5604 unsigned long flags;
5607 memcpy(&temp_dev_no, read_dev_no, 2);
5608 read_lock_irqsave(&qeth_card_list.rwlock, flags);
5609 list_for_each_entry(card, &qeth_card_list.list, list) {
5610 readno = CARD_RDEV_ID(card);
5611 readno += (strlen(readno) - 4);
5612 card_dev_no = simple_strtoul(readno, &endp, 16);
5613 if (card_dev_no == temp_dev_no) {
5618 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5623 qeth_osn_register(unsigned char *read_dev_no,
5624 struct net_device **dev,
5625 int (*assist_cb)(struct net_device *, void *),
5626 int (*data_cb)(struct sk_buff *))
5628 struct qeth_card * card;
5630 QETH_DBF_TEXT(trace, 2, "osnreg");
5631 *dev = qeth_netdev_by_devno(read_dev_no);
5634 card = (struct qeth_card *)(*dev)->priv;
5637 if ((assist_cb == NULL) || (data_cb == NULL))
5639 card->osn_info.assist_cb = assist_cb;
5640 card->osn_info.data_cb = data_cb;
5645 qeth_osn_deregister(struct net_device * dev)
5647 struct qeth_card *card;
5649 QETH_DBF_TEXT(trace, 2, "osndereg");
5652 card = (struct qeth_card *)dev->priv;
5655 card->osn_info.assist_cb = NULL;
5656 card->osn_info.data_cb = NULL;
5661 qeth_delete_mc_addresses(struct qeth_card *card)
5663 struct qeth_ipaddr *iptodo;
5664 unsigned long flags;
5666 QETH_DBF_TEXT(trace,4,"delmc");
5667 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5669 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5672 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5673 spin_lock_irqsave(&card->ip_lock, flags);
5674 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5676 spin_unlock_irqrestore(&card->ip_lock, flags);
5680 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5682 struct qeth_ipaddr *ipm;
5683 struct ip_mc_list *im4;
5684 char buf[MAX_ADDR_LEN];
5686 QETH_DBF_TEXT(trace,4,"addmc");
5687 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5688 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5689 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5692 ipm->u.a4.addr = im4->multiaddr;
5693 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5694 ipm->is_multicast = 1;
5695 if (!qeth_add_ip(card,ipm))
5701 qeth_add_vlan_mc(struct qeth_card *card)
5703 #ifdef CONFIG_QETH_VLAN
5704 struct in_device *in_dev;
5705 struct vlan_group *vg;
5708 QETH_DBF_TEXT(trace,4,"addmcvl");
5709 if ( ((card->options.layer2 == 0) &&
5710 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5711 (card->vlangrp == NULL) )
5715 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5716 if (vg->vlan_devices[i] == NULL ||
5717 !(vg->vlan_devices[i]->flags & IFF_UP))
5719 in_dev = in_dev_get(vg->vlan_devices[i]);
5722 read_lock(&in_dev->mc_list_lock);
5723 qeth_add_mc(card,in_dev);
5724 read_unlock(&in_dev->mc_list_lock);
5731 qeth_add_multicast_ipv4(struct qeth_card *card)
5733 struct in_device *in4_dev;
5735 QETH_DBF_TEXT(trace,4,"chkmcv4");
5736 in4_dev = in_dev_get(card->dev);
5737 if (in4_dev == NULL)
5739 read_lock(&in4_dev->mc_list_lock);
5740 qeth_add_mc(card, in4_dev);
5741 qeth_add_vlan_mc(card);
5742 read_unlock(&in4_dev->mc_list_lock);
5743 in_dev_put(in4_dev);
5747 qeth_layer2_add_multicast(struct qeth_card *card)
5749 struct qeth_ipaddr *ipm;
5750 struct dev_mc_list *dm;
5752 QETH_DBF_TEXT(trace,4,"L2addmc");
5753 for (dm = card->dev->mc_list; dm; dm = dm->next) {
5754 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5757 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5758 ipm->is_multicast = 1;
5759 if (!qeth_add_ip(card, ipm))
5764 #ifdef CONFIG_QETH_IPV6
5766 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5768 struct qeth_ipaddr *ipm;
5769 struct ifmcaddr6 *im6;
5770 char buf[MAX_ADDR_LEN];
5772 QETH_DBF_TEXT(trace,4,"addmc6");
5773 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5774 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5775 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5778 ipm->is_multicast = 1;
5779 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5780 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5781 sizeof(struct in6_addr));
5782 if (!qeth_add_ip(card,ipm))
5788 qeth_add_vlan_mc6(struct qeth_card *card)
5790 #ifdef CONFIG_QETH_VLAN
5791 struct inet6_dev *in_dev;
5792 struct vlan_group *vg;
5795 QETH_DBF_TEXT(trace,4,"admc6vl");
5796 if ( ((card->options.layer2 == 0) &&
5797 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5798 (card->vlangrp == NULL))
5802 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5803 if (vg->vlan_devices[i] == NULL ||
5804 !(vg->vlan_devices[i]->flags & IFF_UP))
5806 in_dev = in6_dev_get(vg->vlan_devices[i]);
5809 read_lock(&in_dev->lock);
5810 qeth_add_mc6(card,in_dev);
5811 read_unlock(&in_dev->lock);
5812 in6_dev_put(in_dev);
5814 #endif /* CONFIG_QETH_VLAN */
5818 qeth_add_multicast_ipv6(struct qeth_card *card)
5820 struct inet6_dev *in6_dev;
5822 QETH_DBF_TEXT(trace,4,"chkmcv6");
5823 if (!qeth_is_supported(card, IPA_IPV6))
5825 in6_dev = in6_dev_get(card->dev);
5826 if (in6_dev == NULL)
5828 read_lock(&in6_dev->lock);
5829 qeth_add_mc6(card, in6_dev);
5830 qeth_add_vlan_mc6(card);
5831 read_unlock(&in6_dev->lock);
5832 in6_dev_put(in6_dev);
5834 #endif /* CONFIG_QETH_IPV6 */
5837 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5838 enum qeth_ipa_cmds ipacmd,
5839 int (*reply_cb) (struct qeth_card *,
5843 struct qeth_ipa_cmd *cmd;
5844 struct qeth_cmd_buffer *iob;
5846 QETH_DBF_TEXT(trace, 2, "L2sdmac");
5847 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5848 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5849 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5850 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5851 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5855 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5856 struct qeth_reply *reply,
5859 struct qeth_ipa_cmd *cmd;
5862 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5863 cmd = (struct qeth_ipa_cmd *) data;
5864 mac = &cmd->data.setdelmac.mac[0];
5865 /* MAC already registered, needed in couple/uncouple case */
5866 if (cmd->hdr.return_code == 0x2005) {
5867 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5868 "already existing on %s \n",
5869 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5870 QETH_CARD_IFNAME(card));
5871 cmd->hdr.return_code = 0;
5873 if (cmd->hdr.return_code)
5874 PRINT_ERR("Could not set group MAC " \
5875 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5876 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5877 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5882 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5884 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5885 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5886 qeth_layer2_send_setgroupmac_cb);
5890 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5891 struct qeth_reply *reply,
5894 struct qeth_ipa_cmd *cmd;
5897 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5898 cmd = (struct qeth_ipa_cmd *) data;
5899 mac = &cmd->data.setdelmac.mac[0];
5900 if (cmd->hdr.return_code)
5901 PRINT_ERR("Could not delete group MAC " \
5902 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5903 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5904 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5909 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5911 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5912 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5913 qeth_layer2_send_delgroupmac_cb);
5917 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5918 struct qeth_reply *reply,
5921 struct qeth_ipa_cmd *cmd;
5923 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5924 cmd = (struct qeth_ipa_cmd *) data;
5925 if (cmd->hdr.return_code) {
5926 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5927 PRINT_WARN("Error in registering MAC address on " \
5928 "device %s: x%x\n", CARD_BUS_ID(card),
5929 cmd->hdr.return_code);
5930 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5931 cmd->hdr.return_code = -EIO;
5933 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5934 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5936 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5937 "successfully registered on device %s\n",
5938 card->dev->dev_addr[0], card->dev->dev_addr[1],
5939 card->dev->dev_addr[2], card->dev->dev_addr[3],
5940 card->dev->dev_addr[4], card->dev->dev_addr[5],
5947 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5949 QETH_DBF_TEXT(trace, 2, "L2Setmac");
5950 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5951 qeth_layer2_send_setmac_cb);
5955 qeth_layer2_send_delmac_cb(struct qeth_card *card,
5956 struct qeth_reply *reply,
5959 struct qeth_ipa_cmd *cmd;
5961 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
5962 cmd = (struct qeth_ipa_cmd *) data;
5963 if (cmd->hdr.return_code) {
5964 PRINT_WARN("Error in deregistering MAC address on " \
5965 "device %s: x%x\n", CARD_BUS_ID(card),
5966 cmd->hdr.return_code);
5967 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5968 cmd->hdr.return_code = -EIO;
5971 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5976 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
5978 QETH_DBF_TEXT(trace, 2, "L2Delmac");
5979 if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
5981 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
5982 qeth_layer2_send_delmac_cb);
5986 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5988 struct sockaddr *addr = p;
5989 struct qeth_card *card;
5992 QETH_DBF_TEXT(trace, 3, "setmac");
5994 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
5995 QETH_DBF_TEXT(trace, 3, "setmcINV");
5998 card = (struct qeth_card *) dev->priv;
6000 if (!card->options.layer2) {
6001 PRINT_WARN("Setting MAC address on %s is not supported "
6002 "in Layer 3 mode.\n", dev->name);
6003 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6006 if (card->info.type == QETH_CARD_TYPE_OSN) {
6007 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6009 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6012 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6013 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6014 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6016 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6021 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6022 __u8 command, enum qeth_prot_versions prot)
6024 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6025 cmd->hdr.command = command;
6026 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6027 cmd->hdr.seqno = card->seqno.ipa;
6028 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6029 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6030 if (card->options.layer2)
6031 cmd->hdr.prim_version_no = 2;
6033 cmd->hdr.prim_version_no = 1;
6034 cmd->hdr.param_count = 1;
6035 cmd->hdr.prot_version = prot;
6036 cmd->hdr.ipa_supported = 0;
6037 cmd->hdr.ipa_enabled = 0;
6040 static struct qeth_cmd_buffer *
6041 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6042 enum qeth_prot_versions prot)
6044 struct qeth_cmd_buffer *iob;
6045 struct qeth_ipa_cmd *cmd;
6047 iob = qeth_wait_for_buffer(&card->write);
6048 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6049 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6055 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6058 struct qeth_cmd_buffer *iob;
6059 struct qeth_ipa_cmd *cmd;
6061 QETH_DBF_TEXT(trace,4,"setdelmc");
6063 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6064 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6065 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6066 if (addr->proto == QETH_PROT_IPV6)
6067 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6068 sizeof(struct in6_addr));
6070 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6072 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6077 qeth_fill_netmask(u8 *netmask, unsigned int len)
6080 for (i=0;i<16;i++) {
6085 netmask[i] = (u8)(0xFF00>>j);
6092 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6093 int ipacmd, unsigned int flags)
6096 struct qeth_cmd_buffer *iob;
6097 struct qeth_ipa_cmd *cmd;
6100 QETH_DBF_TEXT(trace,4,"setdelip");
6101 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6103 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6104 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6105 if (addr->proto == QETH_PROT_IPV6) {
6106 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6107 sizeof(struct in6_addr));
6108 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6109 memcpy(cmd->data.setdelip6.mask, netmask,
6110 sizeof(struct in6_addr));
6111 cmd->data.setdelip6.flags = flags;
6113 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6114 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6115 cmd->data.setdelip4.flags = flags;
6118 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6124 qeth_layer2_register_addr_entry(struct qeth_card *card,
6125 struct qeth_ipaddr *addr)
6127 if (!addr->is_multicast)
6129 QETH_DBF_TEXT(trace, 2, "setgmac");
6130 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6131 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6135 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6136 struct qeth_ipaddr *addr)
6138 if (!addr->is_multicast)
6140 QETH_DBF_TEXT(trace, 2, "delgmac");
6141 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6142 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6146 qeth_layer3_register_addr_entry(struct qeth_card *card,
6147 struct qeth_ipaddr *addr)
6153 if (addr->proto == QETH_PROT_IPV4) {
6154 QETH_DBF_TEXT(trace, 2,"setaddr4");
6155 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6156 } else if (addr->proto == QETH_PROT_IPV6) {
6157 QETH_DBF_TEXT(trace, 2, "setaddr6");
6158 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6159 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6161 QETH_DBF_TEXT(trace, 2, "setaddr?");
6162 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6165 if (addr->is_multicast)
6166 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6168 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6171 QETH_DBF_TEXT(trace, 2, "failed");
6172 } while ((--cnt > 0) && rc);
6174 QETH_DBF_TEXT(trace, 2, "FAILED");
6175 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6176 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6183 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6184 struct qeth_ipaddr *addr)
6189 if (addr->proto == QETH_PROT_IPV4) {
6190 QETH_DBF_TEXT(trace, 2,"deladdr4");
6191 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6192 } else if (addr->proto == QETH_PROT_IPV6) {
6193 QETH_DBF_TEXT(trace, 2, "deladdr6");
6194 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6195 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6197 QETH_DBF_TEXT(trace, 2, "deladdr?");
6198 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6200 if (addr->is_multicast)
6201 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6203 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6206 QETH_DBF_TEXT(trace, 2, "failed");
6207 /* TODO: re-activate this warning as soon as we have a
6209 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6210 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6218 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6220 if (card->options.layer2)
6221 return qeth_layer2_register_addr_entry(card, addr);
6223 return qeth_layer3_register_addr_entry(card, addr);
6227 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6229 if (card->options.layer2)
6230 return qeth_layer2_deregister_addr_entry(card, addr);
6232 return qeth_layer3_deregister_addr_entry(card, addr);
6236 qeth_ethtool_get_tx_csum(struct net_device *dev)
6238 /* We may need to say that we support tx csum offload if
6239 * we do EDDP or TSO. There are discussions going on to
6240 * enforce rules in the stack and in ethtool that make
6241 * SG and TSO depend on HW_CSUM. At the moment there are
6243 * If we say yes here, we have to checksum outbound packets
6249 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6255 qeth_ethtool_get_rx_csum(struct net_device *dev)
6257 struct qeth_card *card = (struct qeth_card *)dev->priv;
6259 return (card->options.checksum_type == HW_CHECKSUMMING);
6263 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6265 struct qeth_card *card = (struct qeth_card *)dev->priv;
6267 if ((card->state != CARD_STATE_DOWN) &&
6268 (card->state != CARD_STATE_RECOVER))
6271 card->options.checksum_type = HW_CHECKSUMMING;
6273 card->options.checksum_type = SW_CHECKSUMMING;
6278 qeth_ethtool_get_sg(struct net_device *dev)
6280 struct qeth_card *card = (struct qeth_card *)dev->priv;
6282 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6283 (dev->features & NETIF_F_SG));
6287 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6289 struct qeth_card *card = (struct qeth_card *)dev->priv;
6292 if (card->options.large_send != QETH_LARGE_SEND_NO)
6293 dev->features |= NETIF_F_SG;
6295 dev->features &= ~NETIF_F_SG;
6299 dev->features &= ~NETIF_F_SG;
6304 qeth_ethtool_get_tso(struct net_device *dev)
6306 struct qeth_card *card = (struct qeth_card *)dev->priv;
6308 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6309 (dev->features & NETIF_F_TSO));
6313 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6315 struct qeth_card *card = (struct qeth_card *)dev->priv;
6318 if (card->options.large_send != QETH_LARGE_SEND_NO)
6319 dev->features |= NETIF_F_TSO;
6321 dev->features &= ~NETIF_F_TSO;
6325 dev->features &= ~NETIF_F_TSO;
6329 static struct ethtool_ops qeth_ethtool_ops = {
6330 .get_tx_csum = qeth_ethtool_get_tx_csum,
6331 .set_tx_csum = qeth_ethtool_set_tx_csum,
6332 .get_rx_csum = qeth_ethtool_get_rx_csum,
6333 .set_rx_csum = qeth_ethtool_set_rx_csum,
6334 .get_sg = qeth_ethtool_get_sg,
6335 .set_sg = qeth_ethtool_set_sg,
6336 .get_tso = qeth_ethtool_get_tso,
6337 .set_tso = qeth_ethtool_set_tso,
6341 qeth_netdev_init(struct net_device *dev)
6343 struct qeth_card *card;
6345 card = (struct qeth_card *) dev->priv;
6347 QETH_DBF_TEXT(trace,3,"initdev");
6349 dev->tx_timeout = &qeth_tx_timeout;
6350 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6351 dev->open = qeth_open;
6352 dev->stop = qeth_stop;
6353 dev->hard_start_xmit = qeth_hard_start_xmit;
6354 dev->do_ioctl = qeth_do_ioctl;
6355 dev->get_stats = qeth_get_stats;
6356 dev->change_mtu = qeth_change_mtu;
6357 dev->neigh_setup = qeth_neigh_setup;
6358 dev->set_multicast_list = qeth_set_multicast_list;
6359 #ifdef CONFIG_QETH_VLAN
6360 dev->vlan_rx_register = qeth_vlan_rx_register;
6361 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6362 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6364 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6365 dev->rebuild_header = NULL;
6366 dev->hard_header = NULL;
6367 dev->header_cache_update = NULL;
6368 dev->hard_header_cache = NULL;
6370 #ifdef CONFIG_QETH_IPV6
6371 /*IPv6 address autoconfiguration stuff*/
6372 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6373 card->dev->dev_id = card->info.unique_id & 0xffff;
6375 if (card->options.fake_ll &&
6376 (qeth_get_netdev_flags(card) & IFF_NOARP))
6377 dev->hard_header = qeth_fake_header;
6378 dev->hard_header_parse = NULL;
6379 dev->set_mac_address = qeth_layer2_set_mac_address;
6380 dev->flags |= qeth_get_netdev_flags(card);
6381 if ((card->options.fake_broadcast) ||
6382 (card->info.broadcast_capable))
6383 dev->flags |= IFF_BROADCAST;
6384 dev->hard_header_len =
6385 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6386 dev->addr_len = OSA_ADDR_LEN;
6387 dev->mtu = card->info.initial_mtu;
6388 if (card->info.type != QETH_CARD_TYPE_OSN)
6389 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6390 SET_MODULE_OWNER(dev);
6395 qeth_init_func_level(struct qeth_card *card)
6397 if (card->ipato.enabled) {
6398 if (card->info.type == QETH_CARD_TYPE_IQD)
6399 card->info.func_level =
6400 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6402 card->info.func_level =
6403 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6405 if (card->info.type == QETH_CARD_TYPE_IQD)
6406 /*FIXME:why do we have same values for dis and ena for osae??? */
6407 card->info.func_level =
6408 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6410 card->info.func_level =
6411 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6416 * hardsetup card, initialize MPC and QDIO stuff
6419 qeth_hardsetup_card(struct qeth_card *card)
6424 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6428 PRINT_WARN("Retrying to do IDX activates.\n");
6429 ccw_device_set_offline(CARD_DDEV(card));
6430 ccw_device_set_offline(CARD_WDEV(card));
6431 ccw_device_set_offline(CARD_RDEV(card));
6432 ccw_device_set_online(CARD_RDEV(card));
6433 ccw_device_set_online(CARD_WDEV(card));
6434 ccw_device_set_online(CARD_DDEV(card));
6436 rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6437 if (rc == -ERESTARTSYS) {
6438 QETH_DBF_TEXT(setup, 2, "break1");
6441 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6447 if ((rc = qeth_get_unitaddr(card))){
6448 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6451 qeth_init_tokens(card);
6452 qeth_init_func_level(card);
6453 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6454 if (rc == -ERESTARTSYS) {
6455 QETH_DBF_TEXT(setup, 2, "break2");
6458 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6464 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6465 if (rc == -ERESTARTSYS) {
6466 QETH_DBF_TEXT(setup, 2, "break3");
6469 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6475 if ((rc = qeth_mpc_initialize(card))){
6476 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6479 /*network device will be recovered*/
6481 card->dev->hard_header = card->orig_hard_header;
6482 if (card->options.fake_ll &&
6483 (qeth_get_netdev_flags(card) & IFF_NOARP))
6484 card->dev->hard_header = qeth_fake_header;
6487 /* at first set_online allocate netdev */
6488 card->dev = qeth_get_netdevice(card->info.type,
6489 card->info.link_type);
6491 qeth_qdio_clear_card(card, card->info.type !=
6492 QETH_CARD_TYPE_IQD);
6494 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6497 card->dev->priv = card;
6498 card->orig_hard_header = card->dev->hard_header;
6499 card->dev->type = qeth_get_arphdr_type(card->info.type,
6500 card->info.link_type);
6501 card->dev->init = qeth_netdev_init;
6504 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6509 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6512 struct qeth_ipa_cmd *cmd;
6514 QETH_DBF_TEXT(trace,4,"defadpcb");
6516 cmd = (struct qeth_ipa_cmd *) data;
6517 if (cmd->hdr.return_code == 0){
6518 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6519 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6520 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6521 #ifdef CONFIG_QETH_IPV6
6522 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6523 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6526 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6527 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6528 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6529 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6535 qeth_default_setadapterparms_cb(struct qeth_card *card,
6536 struct qeth_reply *reply,
6539 struct qeth_ipa_cmd *cmd;
6541 QETH_DBF_TEXT(trace,4,"defadpcb");
6543 cmd = (struct qeth_ipa_cmd *) data;
6544 if (cmd->hdr.return_code == 0)
6545 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6552 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6555 struct qeth_ipa_cmd *cmd;
6557 QETH_DBF_TEXT(trace,3,"quyadpcb");
6559 cmd = (struct qeth_ipa_cmd *) data;
6560 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6561 card->info.link_type =
6562 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6563 card->options.adp.supported_funcs =
6564 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6565 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6569 qeth_query_setadapterparms(struct qeth_card *card)
6572 struct qeth_cmd_buffer *iob;
6574 QETH_DBF_TEXT(trace,3,"queryadp");
6575 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6576 sizeof(struct qeth_ipacmd_setadpparms));
6577 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6582 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6583 struct qeth_reply *reply,
6586 struct qeth_ipa_cmd *cmd;
6588 QETH_DBF_TEXT(trace,4,"chgmaccb");
6590 cmd = (struct qeth_ipa_cmd *) data;
6591 if (!card->options.layer2 || card->info.guestlan ||
6592 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6593 memcpy(card->dev->dev_addr,
6594 &cmd->data.setadapterparms.data.change_addr.addr,
6596 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6598 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6603 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6606 struct qeth_cmd_buffer *iob;
6607 struct qeth_ipa_cmd *cmd;
6609 QETH_DBF_TEXT(trace,4,"chgmac");
6611 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6612 sizeof(struct qeth_ipacmd_setadpparms));
6613 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6614 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6615 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6616 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6617 card->dev->dev_addr, OSA_ADDR_LEN);
6618 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6624 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6627 struct qeth_cmd_buffer *iob;
6628 struct qeth_ipa_cmd *cmd;
6630 QETH_DBF_TEXT(trace,4,"adpmode");
6632 iob = qeth_get_adapter_cmd(card, command,
6633 sizeof(struct qeth_ipacmd_setadpparms));
6634 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6635 cmd->data.setadapterparms.data.mode = mode;
6636 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6642 qeth_setadapter_hstr(struct qeth_card *card)
6646 QETH_DBF_TEXT(trace,4,"adphstr");
6648 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6649 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6650 card->options.broadcast_mode);
6652 PRINT_WARN("couldn't set broadcast mode on "
6654 CARD_BUS_ID(card), rc);
6655 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6656 card->options.macaddr_mode);
6658 PRINT_WARN("couldn't set macaddr mode on "
6659 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6662 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6663 PRINT_WARN("set adapter parameters not available "
6664 "to set broadcast mode, using ALLRINGS "
6665 "on device %s:\n", CARD_BUS_ID(card));
6666 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6667 PRINT_WARN("set adapter parameters not available "
6668 "to set macaddr mode, using NONCANONICAL "
6669 "on device %s:\n", CARD_BUS_ID(card));
6674 qeth_setadapter_parms(struct qeth_card *card)
6678 QETH_DBF_TEXT(setup, 2, "setadprm");
6680 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6681 PRINT_WARN("set adapter parameters not supported "
6684 QETH_DBF_TEXT(setup, 2, " notsupp");
6687 rc = qeth_query_setadapterparms(card);
6689 PRINT_WARN("couldn't set adapter parameters on device %s: "
6690 "x%x\n", CARD_BUS_ID(card), rc);
6693 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6694 rc = qeth_setadpparms_change_macaddr(card);
6696 PRINT_WARN("couldn't get MAC address on "
6698 CARD_BUS_ID(card), rc);
6701 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6702 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6703 rc = qeth_setadapter_hstr(card);
6709 qeth_layer2_initialize(struct qeth_card *card)
6714 QETH_DBF_TEXT(setup, 2, "doL2init");
6715 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6717 rc = qeth_query_setadapterparms(card);
6719 PRINT_WARN("could not query adapter parameters on device %s: "
6720 "x%x\n", CARD_BUS_ID(card), rc);
6723 rc = qeth_setadpparms_change_macaddr(card);
6725 PRINT_WARN("couldn't get MAC address on "
6727 CARD_BUS_ID(card), rc);
6728 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6731 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6733 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6735 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6741 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6742 enum qeth_prot_versions prot)
6745 struct qeth_cmd_buffer *iob;
6747 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6748 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6754 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6758 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6760 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6765 qeth_send_stoplan(struct qeth_card *card)
6770 * TODO: according to the IPA format document page 14,
6771 * TCP/IP (we!) never issue a STOPLAN
6774 QETH_DBF_TEXT(trace, 2, "stoplan");
6776 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6781 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6784 struct qeth_ipa_cmd *cmd;
6786 QETH_DBF_TEXT(setup, 2, "qipasscb");
6788 cmd = (struct qeth_ipa_cmd *) data;
6789 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6790 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6791 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6792 /* Disable IPV6 support hard coded for Hipersockets */
6793 if(card->info.type == QETH_CARD_TYPE_IQD)
6794 card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6796 #ifdef CONFIG_QETH_IPV6
6797 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6798 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6801 QETH_DBF_TEXT(setup, 2, "suppenbl");
6802 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6803 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6808 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6811 struct qeth_cmd_buffer *iob;
6813 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6814 if (card->options.layer2) {
6815 QETH_DBF_TEXT(setup, 2, "noprmly2");
6819 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6820 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6824 static struct qeth_cmd_buffer *
6825 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6826 __u16 cmd_code, __u16 len,
6827 enum qeth_prot_versions prot)
6829 struct qeth_cmd_buffer *iob;
6830 struct qeth_ipa_cmd *cmd;
6832 QETH_DBF_TEXT(trace,4,"getasscm");
6833 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6835 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6836 cmd->data.setassparms.hdr.assist_no = ipa_func;
6837 cmd->data.setassparms.hdr.length = 8 + len;
6838 cmd->data.setassparms.hdr.command_code = cmd_code;
6839 cmd->data.setassparms.hdr.return_code = 0;
6840 cmd->data.setassparms.hdr.seq_no = 0;
6846 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6847 __u16 len, long data,
6849 (struct qeth_card *,struct qeth_reply *,unsigned long),
6853 struct qeth_ipa_cmd *cmd;
6855 QETH_DBF_TEXT(trace,4,"sendassp");
6857 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6858 if (len <= sizeof(__u32))
6859 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6860 else /* (len > sizeof(__u32)) */
6861 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6863 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6867 #ifdef CONFIG_QETH_IPV6
6869 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6870 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6874 struct qeth_cmd_buffer *iob;
6876 QETH_DBF_TEXT(trace,4,"simassp6");
6877 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6879 rc = qeth_send_setassparms(card, iob, 0, 0,
6880 qeth_default_setassparms_cb, NULL);
6886 qeth_send_simple_setassparms(struct qeth_card *card,
6887 enum qeth_ipa_funcs ipa_func,
6888 __u16 cmd_code, long data)
6892 struct qeth_cmd_buffer *iob;
6894 QETH_DBF_TEXT(trace,4,"simassp4");
6896 length = sizeof(__u32);
6897 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6898 length, QETH_PROT_IPV4);
6899 rc = qeth_send_setassparms(card, iob, length, data,
6900 qeth_default_setassparms_cb, NULL);
6905 qeth_start_ipa_arp_processing(struct qeth_card *card)
6909 QETH_DBF_TEXT(trace,3,"ipaarp");
6911 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6912 PRINT_WARN("ARP processing not supported "
6913 "on %s!\n", QETH_CARD_IFNAME(card));
6916 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6917 IPA_CMD_ASS_START, 0);
6919 PRINT_WARN("Could not start ARP processing "
6920 "assist on %s: 0x%x\n",
6921 QETH_CARD_IFNAME(card), rc);
6927 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6931 QETH_DBF_TEXT(trace,3,"ipaipfrg");
6933 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6934 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6935 QETH_CARD_IFNAME(card));
6939 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6940 IPA_CMD_ASS_START, 0);
6942 PRINT_WARN("Could not start Hardware IP fragmentation "
6943 "assist on %s: 0x%x\n",
6944 QETH_CARD_IFNAME(card), rc);
6946 PRINT_INFO("Hardware IP fragmentation enabled \n");
6951 qeth_start_ipa_source_mac(struct qeth_card *card)
6955 QETH_DBF_TEXT(trace,3,"stsrcmac");
6957 if (!card->options.fake_ll)
6960 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6961 PRINT_INFO("Inbound source address not "
6962 "supported on %s\n", QETH_CARD_IFNAME(card));
6966 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6967 IPA_CMD_ASS_START, 0);
6969 PRINT_WARN("Could not start inbound source "
6970 "assist on %s: 0x%x\n",
6971 QETH_CARD_IFNAME(card), rc);
6976 qeth_start_ipa_vlan(struct qeth_card *card)
6980 QETH_DBF_TEXT(trace,3,"strtvlan");
6982 #ifdef CONFIG_QETH_VLAN
6983 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6984 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
6988 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6989 IPA_CMD_ASS_START,0);
6991 PRINT_WARN("Could not start vlan "
6992 "assist on %s: 0x%x\n",
6993 QETH_CARD_IFNAME(card), rc);
6995 PRINT_INFO("VLAN enabled \n");
6996 card->dev->features |=
6997 NETIF_F_HW_VLAN_FILTER |
6998 NETIF_F_HW_VLAN_TX |
7001 #endif /* QETH_VLAN */
7006 qeth_start_ipa_multicast(struct qeth_card *card)
7010 QETH_DBF_TEXT(trace,3,"stmcast");
7012 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7013 PRINT_WARN("Multicast not supported on %s\n",
7014 QETH_CARD_IFNAME(card));
7018 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7019 IPA_CMD_ASS_START,0);
7021 PRINT_WARN("Could not start multicast "
7022 "assist on %s: rc=%i\n",
7023 QETH_CARD_IFNAME(card), rc);
7025 PRINT_INFO("Multicast enabled\n");
7026 card->dev->flags |= IFF_MULTICAST;
7031 #ifdef CONFIG_QETH_IPV6
7033 qeth_softsetup_ipv6(struct qeth_card *card)
7037 QETH_DBF_TEXT(trace,3,"softipv6");
7039 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7041 PRINT_ERR("IPv6 startlan failed on %s\n",
7042 QETH_CARD_IFNAME(card));
7045 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7047 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7048 QETH_CARD_IFNAME(card));
7051 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7052 IPA_CMD_ASS_START, 3);
7054 PRINT_WARN("IPv6 start assist (version 4) failed "
7056 QETH_CARD_IFNAME(card), rc);
7059 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7062 PRINT_WARN("IPV6 start assist (version 6) failed "
7064 QETH_CARD_IFNAME(card), rc);
7067 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7070 PRINT_WARN("Could not enable passthrough "
7072 QETH_CARD_IFNAME(card), rc);
7075 PRINT_INFO("IPV6 enabled \n");
7082 qeth_start_ipa_ipv6(struct qeth_card *card)
7085 #ifdef CONFIG_QETH_IPV6
7086 QETH_DBF_TEXT(trace,3,"strtipv6");
7088 if (!qeth_is_supported(card, IPA_IPV6)) {
7089 PRINT_WARN("IPv6 not supported on %s\n",
7090 QETH_CARD_IFNAME(card));
7093 rc = qeth_softsetup_ipv6(card);
7099 qeth_start_ipa_broadcast(struct qeth_card *card)
7103 QETH_DBF_TEXT(trace,3,"stbrdcst");
7104 card->info.broadcast_capable = 0;
7105 if (!qeth_is_supported(card, IPA_FILTERING)) {
7106 PRINT_WARN("Broadcast not supported on %s\n",
7107 QETH_CARD_IFNAME(card));
7111 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7112 IPA_CMD_ASS_START, 0);
7114 PRINT_WARN("Could not enable broadcasting filtering "
7116 QETH_CARD_IFNAME(card), rc);
7120 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7121 IPA_CMD_ASS_CONFIGURE, 1);
7123 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7124 QETH_CARD_IFNAME(card), rc);
7127 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7128 PRINT_INFO("Broadcast enabled \n");
7129 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7130 IPA_CMD_ASS_ENABLE, 1);
7132 PRINT_WARN("Could not set up broadcast echo filtering on "
7133 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7136 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7138 if (card->info.broadcast_capable)
7139 card->dev->flags |= IFF_BROADCAST;
7141 card->dev->flags &= ~IFF_BROADCAST;
7146 qeth_send_checksum_command(struct qeth_card *card)
7150 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7151 IPA_CMD_ASS_START, 0);
7153 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7154 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7155 QETH_CARD_IFNAME(card), rc);
7158 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7160 card->info.csum_mask);
7162 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7163 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7164 QETH_CARD_IFNAME(card), rc);
7171 qeth_start_ipa_checksum(struct qeth_card *card)
7175 QETH_DBF_TEXT(trace,3,"strtcsum");
7177 if (card->options.checksum_type == NO_CHECKSUMMING) {
7178 PRINT_WARN("Using no checksumming on %s.\n",
7179 QETH_CARD_IFNAME(card));
7182 if (card->options.checksum_type == SW_CHECKSUMMING) {
7183 PRINT_WARN("Using SW checksumming on %s.\n",
7184 QETH_CARD_IFNAME(card));
7187 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7188 PRINT_WARN("Inbound HW Checksumming not "
7189 "supported on %s,\ncontinuing "
7190 "using Inbound SW Checksumming\n",
7191 QETH_CARD_IFNAME(card));
7192 card->options.checksum_type = SW_CHECKSUMMING;
7195 rc = qeth_send_checksum_command(card);
7197 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7203 qeth_start_ipa_tso(struct qeth_card *card)
7207 QETH_DBF_TEXT(trace,3,"sttso");
7209 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7210 PRINT_WARN("Outbound TSO not supported on %s\n",
7211 QETH_CARD_IFNAME(card));
7214 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7215 IPA_CMD_ASS_START,0);
7217 PRINT_WARN("Could not start outbound TSO "
7218 "assist on %s: rc=%i\n",
7219 QETH_CARD_IFNAME(card), rc);
7221 PRINT_INFO("Outbound TSO enabled\n");
7223 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7224 card->options.large_send = QETH_LARGE_SEND_NO;
7225 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7231 qeth_start_ipassists(struct qeth_card *card)
7233 QETH_DBF_TEXT(trace,3,"strtipas");
7234 qeth_start_ipa_arp_processing(card); /* go on*/
7235 qeth_start_ipa_ip_fragmentation(card); /* go on*/
7236 qeth_start_ipa_source_mac(card); /* go on*/
7237 qeth_start_ipa_vlan(card); /* go on*/
7238 qeth_start_ipa_multicast(card); /* go on*/
7239 qeth_start_ipa_ipv6(card); /* go on*/
7240 qeth_start_ipa_broadcast(card); /* go on*/
7241 qeth_start_ipa_checksum(card); /* go on*/
7242 qeth_start_ipa_tso(card); /* go on*/
7247 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7248 enum qeth_prot_versions prot)
7251 struct qeth_ipa_cmd *cmd;
7252 struct qeth_cmd_buffer *iob;
7254 QETH_DBF_TEXT(trace,4,"setroutg");
7255 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7256 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7257 cmd->data.setrtg.type = (type);
7258 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7265 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7266 enum qeth_prot_versions prot)
7268 if (card->info.type == QETH_CARD_TYPE_IQD) {
7271 case PRIMARY_CONNECTOR:
7272 case SECONDARY_CONNECTOR:
7273 case MULTICAST_ROUTER:
7281 case PRIMARY_ROUTER:
7282 case SECONDARY_ROUTER:
7284 case MULTICAST_ROUTER:
7285 if (qeth_is_ipafunc_supported(card, prot,
7293 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7294 "Router status set to 'no router'.\n",
7295 ((*type == PRIMARY_ROUTER)? "primary router" :
7296 (*type == SECONDARY_ROUTER)? "secondary router" :
7297 (*type == PRIMARY_CONNECTOR)? "primary connector" :
7298 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7299 (*type == MULTICAST_ROUTER)? "multicast router" :
7306 qeth_setrouting_v4(struct qeth_card *card)
7310 QETH_DBF_TEXT(trace,3,"setrtg4");
7312 qeth_correct_routing_type(card, &card->options.route4.type,
7315 rc = qeth_send_setrouting(card, card->options.route4.type,
7318 card->options.route4.type = NO_ROUTER;
7319 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7320 "Type set to 'no router'.\n",
7321 rc, QETH_CARD_IFNAME(card));
7327 qeth_setrouting_v6(struct qeth_card *card)
7331 QETH_DBF_TEXT(trace,3,"setrtg6");
7332 #ifdef CONFIG_QETH_IPV6
7334 qeth_correct_routing_type(card, &card->options.route6.type,
7337 rc = qeth_send_setrouting(card, card->options.route6.type,
7340 card->options.route6.type = NO_ROUTER;
7341 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7342 "Type set to 'no router'.\n",
7343 rc, QETH_CARD_IFNAME(card));
7350 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7354 if (card->dev == NULL) {
7355 card->options.large_send = type;
7358 if (card->state == CARD_STATE_UP)
7359 netif_tx_disable(card->dev);
7360 card->options.large_send = type;
7361 switch (card->options.large_send) {
7362 case QETH_LARGE_SEND_EDDP:
7363 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7365 case QETH_LARGE_SEND_TSO:
7366 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7367 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7369 PRINT_WARN("TSO not supported on %s. "
7370 "large_send set to 'no'.\n",
7372 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7373 card->options.large_send = QETH_LARGE_SEND_NO;
7377 default: /* includes QETH_LARGE_SEND_NO */
7378 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7381 if (card->state == CARD_STATE_UP)
7382 netif_wake_queue(card->dev);
7387 * softsetup card: init IPA stuff
7390 qeth_softsetup_card(struct qeth_card *card)
7394 QETH_DBF_TEXT(setup, 2, "softsetp");
7396 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7397 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7399 PRINT_WARN("LAN on card %s if offline! "
7400 "Continuing softsetup.\n",
7402 card->lan_online = 0;
7406 card->lan_online = 1;
7407 if (card->info.type==QETH_CARD_TYPE_OSN)
7409 qeth_set_large_send(card, card->options.large_send);
7410 if (card->options.layer2) {
7411 card->dev->features |=
7412 NETIF_F_HW_VLAN_FILTER |
7413 NETIF_F_HW_VLAN_TX |
7415 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7416 card->info.broadcast_capable=1;
7417 if ((rc = qeth_layer2_initialize(card))) {
7418 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7421 #ifdef CONFIG_QETH_VLAN
7422 qeth_layer2_process_vlans(card, 0);
7426 if ((rc = qeth_setadapter_parms(card)))
7427 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7428 if ((rc = qeth_start_ipassists(card)))
7429 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7430 if ((rc = qeth_setrouting_v4(card)))
7431 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7432 if ((rc = qeth_setrouting_v6(card)))
7433 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7435 netif_tx_disable(card->dev);
7439 #ifdef CONFIG_QETH_IPV6
7441 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7444 struct qeth_ipa_cmd *cmd;
7446 cmd = (struct qeth_ipa_cmd *) data;
7447 if (cmd->hdr.return_code == 0)
7448 card->info.unique_id = *((__u16 *)
7449 &cmd->data.create_destroy_addr.unique_id[6]);
7451 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7452 UNIQUE_ID_NOT_BY_CARD;
7453 PRINT_WARN("couldn't get a unique id from the card on device "
7454 "%s (result=x%x), using default id. ipv6 "
7455 "autoconfig on other lpars may lead to duplicate "
7456 "ip addresses. please use manually "
7457 "configured ones.\n",
7458 CARD_BUS_ID(card), cmd->hdr.return_code);
7465 qeth_put_unique_id(struct qeth_card *card)
7469 #ifdef CONFIG_QETH_IPV6
7470 struct qeth_cmd_buffer *iob;
7471 struct qeth_ipa_cmd *cmd;
7473 QETH_DBF_TEXT(trace,2,"puniqeid");
7475 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7476 UNIQUE_ID_NOT_BY_CARD)
7478 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7480 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7481 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7482 card->info.unique_id;
7483 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7484 card->dev->dev_addr, OSA_ADDR_LEN);
7485 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7487 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7488 UNIQUE_ID_NOT_BY_CARD;
7497 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7499 struct qeth_ipaddr *addr, *tmp;
7500 unsigned long flags;
7502 QETH_DBF_TEXT(trace,4,"clearip");
7503 spin_lock_irqsave(&card->ip_lock, flags);
7504 /* clear todo list */
7505 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7506 list_del(&addr->entry);
7510 while (!list_empty(&card->ip_list)) {
7511 addr = list_entry(card->ip_list.next,
7512 struct qeth_ipaddr, entry);
7513 list_del_init(&addr->entry);
7515 spin_unlock_irqrestore(&card->ip_lock, flags);
7516 qeth_deregister_addr_entry(card, addr);
7517 spin_lock_irqsave(&card->ip_lock, flags);
7519 if (!recover || addr->is_multicast) {
7523 list_add_tail(&addr->entry, card->ip_tbd_list);
7525 spin_unlock_irqrestore(&card->ip_lock, flags);
7529 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7530 int clear_start_mask)
7532 unsigned long flags;
7534 spin_lock_irqsave(&card->thread_mask_lock, flags);
7535 card->thread_allowed_mask = threads;
7536 if (clear_start_mask)
7537 card->thread_start_mask &= threads;
7538 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7539 wake_up(&card->wait_q);
7543 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7545 unsigned long flags;
7548 spin_lock_irqsave(&card->thread_mask_lock, flags);
7549 rc = (card->thread_running_mask & threads);
7550 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7555 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7557 return wait_event_interruptible(card->wait_q,
7558 qeth_threads_running(card, threads) == 0);
7562 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7566 QETH_DBF_TEXT(setup ,2,"stopcard");
7567 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7569 qeth_set_allowed_threads(card, 0, 1);
7570 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7571 return -ERESTARTSYS;
7572 if (card->read.state == CH_STATE_UP &&
7573 card->write.state == CH_STATE_UP &&
7574 (card->state == CARD_STATE_UP)) {
7575 if (recovery_mode &&
7576 card->info.type != QETH_CARD_TYPE_OSN) {
7577 qeth_stop(card->dev);
7580 dev_close(card->dev);
7583 if (!card->use_hard_stop) {
7584 __u8 *mac = &card->dev->dev_addr[0];
7585 rc = qeth_layer2_send_delmac(card, mac);
7586 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7587 if ((rc = qeth_send_stoplan(card)))
7588 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7590 card->state = CARD_STATE_SOFTSETUP;
7592 if (card->state == CARD_STATE_SOFTSETUP) {
7593 #ifdef CONFIG_QETH_VLAN
7594 if (card->options.layer2)
7595 qeth_layer2_process_vlans(card, 1);
7597 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7598 qeth_clear_ipacmd_list(card);
7599 card->state = CARD_STATE_HARDSETUP;
7601 if (card->state == CARD_STATE_HARDSETUP) {
7602 if ((!card->use_hard_stop) &&
7603 (!card->options.layer2))
7604 if ((rc = qeth_put_unique_id(card)))
7605 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7606 qeth_qdio_clear_card(card, 0);
7607 qeth_clear_qdio_buffers(card);
7608 qeth_clear_working_pool_list(card);
7609 card->state = CARD_STATE_DOWN;
7611 if (card->state == CARD_STATE_DOWN) {
7612 qeth_clear_cmd_buffers(&card->read);
7613 qeth_clear_cmd_buffers(&card->write);
7615 card->use_hard_stop = 0;
7621 qeth_get_unique_id(struct qeth_card *card)
7624 #ifdef CONFIG_QETH_IPV6
7625 struct qeth_cmd_buffer *iob;
7626 struct qeth_ipa_cmd *cmd;
7628 QETH_DBF_TEXT(setup, 2, "guniqeid");
7630 if (!qeth_is_supported(card,IPA_IPV6)) {
7631 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7632 UNIQUE_ID_NOT_BY_CARD;
7636 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7638 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7639 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7640 card->info.unique_id;
7642 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7644 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7645 UNIQUE_ID_NOT_BY_CARD;
7650 qeth_print_status_with_portname(struct qeth_card *card)
7655 sprintf(dbf_text, "%s", card->info.portname + 1);
7656 for (i = 0; i < 8; i++)
7658 (char) _ebcasc[(__u8) dbf_text[i]];
7660 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7661 "with link type %s (portname: %s)\n",
7665 qeth_get_cardname(card),
7666 (card->info.mcl_level[0]) ? " (level: " : "",
7667 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7668 (card->info.mcl_level[0]) ? ")" : "",
7669 qeth_get_cardname_short(card),
7675 qeth_print_status_no_portname(struct qeth_card *card)
7677 if (card->info.portname[0])
7678 printk("qeth: Device %s/%s/%s is a%s "
7679 "card%s%s%s\nwith link type %s "
7680 "(no portname needed by interface).\n",
7684 qeth_get_cardname(card),
7685 (card->info.mcl_level[0]) ? " (level: " : "",
7686 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7687 (card->info.mcl_level[0]) ? ")" : "",
7688 qeth_get_cardname_short(card));
7690 printk("qeth: Device %s/%s/%s is a%s "
7691 "card%s%s%s\nwith link type %s.\n",
7695 qeth_get_cardname(card),
7696 (card->info.mcl_level[0]) ? " (level: " : "",
7697 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7698 (card->info.mcl_level[0]) ? ")" : "",
7699 qeth_get_cardname_short(card));
7703 qeth_print_status_message(struct qeth_card *card)
7705 switch (card->info.type) {
7706 case QETH_CARD_TYPE_OSAE:
7707 /* VM will use a non-zero first character
7708 * to indicate a HiperSockets like reporting
7709 * of the level OSA sets the first character to zero
7711 if (!card->info.mcl_level[0]) {
7712 sprintf(card->info.mcl_level,"%02x%02x",
7713 card->info.mcl_level[2],
7714 card->info.mcl_level[3]);
7716 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7720 case QETH_CARD_TYPE_IQD:
7721 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7722 card->info.mcl_level[0]];
7723 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7724 card->info.mcl_level[1]];
7725 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7726 card->info.mcl_level[2]];
7727 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7728 card->info.mcl_level[3]];
7729 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7732 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7734 if (card->info.portname_required)
7735 qeth_print_status_with_portname(card);
7737 qeth_print_status_no_portname(card);
7741 qeth_register_netdev(struct qeth_card *card)
7743 QETH_DBF_TEXT(setup, 3, "regnetd");
7744 if (card->dev->reg_state != NETREG_UNINITIALIZED)
7747 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7748 return register_netdev(card->dev);
7752 qeth_start_again(struct qeth_card *card, int recovery_mode)
7754 QETH_DBF_TEXT(setup ,2, "startag");
7756 if (recovery_mode &&
7757 card->info.type != QETH_CARD_TYPE_OSN) {
7758 qeth_open(card->dev);
7761 dev_open(card->dev);
7764 /* this also sets saved unicast addresses */
7765 qeth_set_multicast_list(card->dev);
7769 /* Layer 2 specific stuff */
7770 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7771 if (card->options.option == value) { \
7772 PRINT_ERR("%s not supported with layer 2 " \
7773 "functionality, ignoring option on read" \
7774 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7775 card->options.option = reset_value; \
7777 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7778 if (card->options.option != value) { \
7779 PRINT_ERR("%s not supported with layer 2 " \
7780 "functionality, ignoring option on read" \
7781 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7782 card->options.option = reset_value; \
7786 static void qeth_make_parameters_consistent(struct qeth_card *card)
7789 if (card->options.layer2 == 0)
7791 if (card->info.type == QETH_CARD_TYPE_OSN)
7793 if (card->info.type == QETH_CARD_TYPE_IQD) {
7794 PRINT_ERR("Device %s does not support layer 2 functionality." \
7795 " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7796 card->options.layer2 = 0;
7799 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7800 "Routing options are");
7801 #ifdef CONFIG_QETH_IPV6
7802 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7803 "Routing options are");
7805 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7806 QETH_CHECKSUM_DEFAULT,
7807 "Checksumming options are");
7808 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7809 QETH_TR_BROADCAST_ALLRINGS,
7810 "Broadcast mode options are");
7811 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7812 QETH_TR_MACADDR_NONCANONICAL,
7813 "Canonical MAC addr options are");
7814 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7815 "Broadcast faking options are");
7816 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7817 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7818 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7823 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7825 struct qeth_card *card = gdev->dev.driver_data;
7827 enum qeth_card_states recover_flag;
7830 QETH_DBF_TEXT(setup ,2, "setonlin");
7831 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7833 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7834 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7835 PRINT_WARN("set_online of card %s interrupted by user!\n",
7837 return -ERESTARTSYS;
7840 recover_flag = card->state;
7841 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7842 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7843 (rc = ccw_device_set_online(CARD_DDEV(card)))){
7844 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7848 qeth_make_parameters_consistent(card);
7850 if ((rc = qeth_hardsetup_card(card))){
7851 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7854 card->state = CARD_STATE_HARDSETUP;
7856 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7857 rc = qeth_get_unique_id(card);
7859 if (rc && card->options.layer2 == 0) {
7860 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7863 qeth_print_status_message(card);
7864 if ((rc = qeth_register_netdev(card))){
7865 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7868 if ((rc = qeth_softsetup_card(card))){
7869 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7873 if ((rc = qeth_init_qdio_queues(card))){
7874 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7877 card->state = CARD_STATE_SOFTSETUP;
7878 netif_carrier_on(card->dev);
7880 qeth_set_allowed_threads(card, 0xffffffff, 0);
7881 if (recover_flag == CARD_STATE_RECOVER)
7882 qeth_start_again(card, recovery_mode);
7883 qeth_notify_processes();
7886 card->use_hard_stop = 1;
7887 qeth_stop_card(card, 0);
7888 ccw_device_set_offline(CARD_DDEV(card));
7889 ccw_device_set_offline(CARD_WDEV(card));
7890 ccw_device_set_offline(CARD_RDEV(card));
7891 if (recover_flag == CARD_STATE_RECOVER)
7892 card->state = CARD_STATE_RECOVER;
7894 card->state = CARD_STATE_DOWN;
7899 qeth_set_online(struct ccwgroup_device *gdev)
7901 return __qeth_set_online(gdev, 0);
7904 static struct ccw_device_id qeth_ids[] = {
7905 {CCW_DEVICE(0x1731, 0x01), .driver_info = QETH_CARD_TYPE_OSAE},
7906 {CCW_DEVICE(0x1731, 0x05), .driver_info = QETH_CARD_TYPE_IQD},
7907 {CCW_DEVICE(0x1731, 0x06), .driver_info = QETH_CARD_TYPE_OSN},
7910 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7912 struct device *qeth_root_dev = NULL;
7914 struct ccwgroup_driver qeth_ccwgroup_driver = {
7915 .owner = THIS_MODULE,
7917 .driver_id = 0xD8C5E3C8,
7918 .probe = qeth_probe_device,
7919 .remove = qeth_remove_device,
7920 .set_online = qeth_set_online,
7921 .set_offline = qeth_set_offline,
7924 struct ccw_driver qeth_ccw_driver = {
7927 .probe = ccwgroup_probe_ccwdev,
7928 .remove = ccwgroup_remove_ccwdev,
7933 qeth_unregister_dbf_views(void)
7936 debug_unregister(qeth_dbf_setup);
7938 debug_unregister(qeth_dbf_qerr);
7940 debug_unregister(qeth_dbf_sense);
7942 debug_unregister(qeth_dbf_misc);
7944 debug_unregister(qeth_dbf_data);
7945 if (qeth_dbf_control)
7946 debug_unregister(qeth_dbf_control);
7948 debug_unregister(qeth_dbf_trace);
7951 qeth_register_dbf_views(void)
7953 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7954 QETH_DBF_SETUP_PAGES,
7955 QETH_DBF_SETUP_NR_AREAS,
7956 QETH_DBF_SETUP_LEN);
7957 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7958 QETH_DBF_MISC_PAGES,
7959 QETH_DBF_MISC_NR_AREAS,
7961 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7962 QETH_DBF_DATA_PAGES,
7963 QETH_DBF_DATA_NR_AREAS,
7965 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7966 QETH_DBF_CONTROL_PAGES,
7967 QETH_DBF_CONTROL_NR_AREAS,
7968 QETH_DBF_CONTROL_LEN);
7969 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7970 QETH_DBF_SENSE_PAGES,
7971 QETH_DBF_SENSE_NR_AREAS,
7972 QETH_DBF_SENSE_LEN);
7973 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7974 QETH_DBF_QERR_PAGES,
7975 QETH_DBF_QERR_NR_AREAS,
7977 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7978 QETH_DBF_TRACE_PAGES,
7979 QETH_DBF_TRACE_NR_AREAS,
7980 QETH_DBF_TRACE_LEN);
7982 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
7983 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
7984 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
7985 (qeth_dbf_trace == NULL)) {
7986 qeth_unregister_dbf_views();
7989 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7990 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
7992 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
7993 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
7995 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
7996 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
7998 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
7999 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8001 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8002 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8004 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8005 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8007 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8008 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8013 #ifdef CONFIG_QETH_IPV6
8014 extern struct neigh_table arp_tbl;
8015 static struct neigh_ops *arp_direct_ops;
8016 static int (*qeth_old_arp_constructor) (struct neighbour *);
8018 static struct neigh_ops arp_direct_ops_template = {
8021 .error_report = NULL,
8022 .output = dev_queue_xmit,
8023 .connected_output = dev_queue_xmit,
8024 .hh_output = dev_queue_xmit,
8025 .queue_xmit = dev_queue_xmit
8029 qeth_arp_constructor(struct neighbour *neigh)
8031 struct net_device *dev = neigh->dev;
8032 struct in_device *in_dev;
8033 struct neigh_parms *parms;
8034 struct qeth_card *card;
8036 card = qeth_get_card_from_dev(dev);
8039 if((card->options.layer2) ||
8040 (card->dev->hard_header == qeth_fake_header))
8044 in_dev = __in_dev_get_rcu(dev);
8045 if (in_dev == NULL) {
8050 parms = in_dev->arp_parms;
8051 __neigh_parms_put(neigh->parms);
8052 neigh->parms = neigh_parms_clone(parms);
8055 neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
8056 neigh->nud_state = NUD_NOARP;
8057 neigh->ops = arp_direct_ops;
8058 neigh->output = neigh->ops->queue_xmit;
8061 return qeth_old_arp_constructor(neigh);
8063 #endif /*CONFIG_QETH_IPV6*/
8066 * IP address takeover related functions
8069 qeth_clear_ipato_list(struct qeth_card *card)
8071 struct qeth_ipato_entry *ipatoe, *tmp;
8072 unsigned long flags;
8074 spin_lock_irqsave(&card->ip_lock, flags);
8075 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8076 list_del(&ipatoe->entry);
8079 spin_unlock_irqrestore(&card->ip_lock, flags);
8083 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8085 struct qeth_ipato_entry *ipatoe;
8086 unsigned long flags;
8089 QETH_DBF_TEXT(trace, 2, "addipato");
8090 spin_lock_irqsave(&card->ip_lock, flags);
8091 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8092 if (ipatoe->proto != new->proto)
8094 if (!memcmp(ipatoe->addr, new->addr,
8095 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8096 (ipatoe->mask_bits == new->mask_bits)){
8097 PRINT_WARN("ipato entry already exists!\n");
8103 list_add_tail(&new->entry, &card->ipato.entries);
8105 spin_unlock_irqrestore(&card->ip_lock, flags);
8110 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8111 u8 *addr, int mask_bits)
8113 struct qeth_ipato_entry *ipatoe, *tmp;
8114 unsigned long flags;
8116 QETH_DBF_TEXT(trace, 2, "delipato");
8117 spin_lock_irqsave(&card->ip_lock, flags);
8118 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8119 if (ipatoe->proto != proto)
8121 if (!memcmp(ipatoe->addr, addr,
8122 (proto == QETH_PROT_IPV4)? 4:16) &&
8123 (ipatoe->mask_bits == mask_bits)){
8124 list_del(&ipatoe->entry);
8128 spin_unlock_irqrestore(&card->ip_lock, flags);
8132 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8137 for (i = 0; i < len; ++i){
8139 for (j = 7; j >= 0; --j){
8140 bits[i*8 + j] = octet & 1;
8147 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8149 struct qeth_ipato_entry *ipatoe;
8150 u8 addr_bits[128] = {0, };
8151 u8 ipatoe_bits[128] = {0, };
8154 if (!card->ipato.enabled)
8157 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8158 (addr->proto == QETH_PROT_IPV4)? 4:16);
8159 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8160 if (addr->proto != ipatoe->proto)
8162 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8163 (ipatoe->proto==QETH_PROT_IPV4) ?
8165 if (addr->proto == QETH_PROT_IPV4)
8166 rc = !memcmp(addr_bits, ipatoe_bits,
8167 min(32, ipatoe->mask_bits));
8169 rc = !memcmp(addr_bits, ipatoe_bits,
8170 min(128, ipatoe->mask_bits));
8175 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8177 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8184 * VIPA related functions
8187 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8190 struct qeth_ipaddr *ipaddr;
8191 unsigned long flags;
8194 ipaddr = qeth_get_addr_buffer(proto);
8196 if (proto == QETH_PROT_IPV4){
8197 QETH_DBF_TEXT(trace, 2, "addvipa4");
8198 memcpy(&ipaddr->u.a4.addr, addr, 4);
8199 ipaddr->u.a4.mask = 0;
8200 #ifdef CONFIG_QETH_IPV6
8201 } else if (proto == QETH_PROT_IPV6){
8202 QETH_DBF_TEXT(trace, 2, "addvipa6");
8203 memcpy(&ipaddr->u.a6.addr, addr, 16);
8204 ipaddr->u.a6.pfxlen = 0;
8207 ipaddr->type = QETH_IP_TYPE_VIPA;
8208 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8209 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8212 spin_lock_irqsave(&card->ip_lock, flags);
8213 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8214 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8216 spin_unlock_irqrestore(&card->ip_lock, flags);
8218 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8221 if (!qeth_add_ip(card, ipaddr))
8223 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8224 schedule_work(&card->kernel_thread_starter);
8229 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8232 struct qeth_ipaddr *ipaddr;
8234 ipaddr = qeth_get_addr_buffer(proto);
8236 if (proto == QETH_PROT_IPV4){
8237 QETH_DBF_TEXT(trace, 2, "delvipa4");
8238 memcpy(&ipaddr->u.a4.addr, addr, 4);
8239 ipaddr->u.a4.mask = 0;
8240 #ifdef CONFIG_QETH_IPV6
8241 } else if (proto == QETH_PROT_IPV6){
8242 QETH_DBF_TEXT(trace, 2, "delvipa6");
8243 memcpy(&ipaddr->u.a6.addr, addr, 16);
8244 ipaddr->u.a6.pfxlen = 0;
8247 ipaddr->type = QETH_IP_TYPE_VIPA;
8250 if (!qeth_delete_ip(card, ipaddr))
8252 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8253 schedule_work(&card->kernel_thread_starter);
8257 * proxy ARP related functions
8260 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8263 struct qeth_ipaddr *ipaddr;
8264 unsigned long flags;
8267 ipaddr = qeth_get_addr_buffer(proto);
8269 if (proto == QETH_PROT_IPV4){
8270 QETH_DBF_TEXT(trace, 2, "addrxip4");
8271 memcpy(&ipaddr->u.a4.addr, addr, 4);
8272 ipaddr->u.a4.mask = 0;
8273 #ifdef CONFIG_QETH_IPV6
8274 } else if (proto == QETH_PROT_IPV6){
8275 QETH_DBF_TEXT(trace, 2, "addrxip6");
8276 memcpy(&ipaddr->u.a6.addr, addr, 16);
8277 ipaddr->u.a6.pfxlen = 0;
8280 ipaddr->type = QETH_IP_TYPE_RXIP;
8281 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8282 ipaddr->del_flags = 0;
8285 spin_lock_irqsave(&card->ip_lock, flags);
8286 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8287 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8289 spin_unlock_irqrestore(&card->ip_lock, flags);
8291 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8294 if (!qeth_add_ip(card, ipaddr))
8296 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8297 schedule_work(&card->kernel_thread_starter);
8302 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8305 struct qeth_ipaddr *ipaddr;
8307 ipaddr = qeth_get_addr_buffer(proto);
8309 if (proto == QETH_PROT_IPV4){
8310 QETH_DBF_TEXT(trace, 2, "addrxip4");
8311 memcpy(&ipaddr->u.a4.addr, addr, 4);
8312 ipaddr->u.a4.mask = 0;
8313 #ifdef CONFIG_QETH_IPV6
8314 } else if (proto == QETH_PROT_IPV6){
8315 QETH_DBF_TEXT(trace, 2, "addrxip6");
8316 memcpy(&ipaddr->u.a6.addr, addr, 16);
8317 ipaddr->u.a6.pfxlen = 0;
8320 ipaddr->type = QETH_IP_TYPE_RXIP;
8323 if (!qeth_delete_ip(card, ipaddr))
8325 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8326 schedule_work(&card->kernel_thread_starter);
8333 qeth_ip_event(struct notifier_block *this,
8334 unsigned long event,void *ptr)
8336 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8337 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8338 struct qeth_ipaddr *addr;
8339 struct qeth_card *card;
8341 QETH_DBF_TEXT(trace,3,"ipevent");
8342 card = qeth_get_card_from_dev(dev);
8345 if (card->options.layer2)
8348 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8350 addr->u.a4.addr = ifa->ifa_address;
8351 addr->u.a4.mask = ifa->ifa_mask;
8352 addr->type = QETH_IP_TYPE_NORMAL;
8358 if (!qeth_add_ip(card, addr))
8362 if (!qeth_delete_ip(card, addr))
8368 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8369 schedule_work(&card->kernel_thread_starter);
8374 static struct notifier_block qeth_ip_notifier = {
8379 #ifdef CONFIG_QETH_IPV6
8381 * IPv6 event handler
8384 qeth_ip6_event(struct notifier_block *this,
8385 unsigned long event,void *ptr)
8388 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8389 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8390 struct qeth_ipaddr *addr;
8391 struct qeth_card *card;
8393 QETH_DBF_TEXT(trace,3,"ip6event");
8395 card = qeth_get_card_from_dev(dev);
8398 if (!qeth_is_supported(card, IPA_IPV6))
8401 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8403 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8404 addr->u.a6.pfxlen = ifa->prefix_len;
8405 addr->type = QETH_IP_TYPE_NORMAL;
8411 if (!qeth_add_ip(card, addr))
8415 if (!qeth_delete_ip(card, addr))
8421 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8422 schedule_work(&card->kernel_thread_starter);
8427 static struct notifier_block qeth_ip6_notifier = {
8434 __qeth_reboot_event_card(struct device *dev, void *data)
8436 struct qeth_card *card;
8438 card = (struct qeth_card *) dev->driver_data;
8439 qeth_clear_ip_list(card, 0, 0);
8440 qeth_qdio_clear_card(card, 0);
8445 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8449 ret = driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8450 __qeth_reboot_event_card);
8451 return ret ? NOTIFY_BAD : NOTIFY_DONE;
8455 static struct notifier_block qeth_reboot_notifier = {
8461 qeth_register_notifiers(void)
8465 QETH_DBF_TEXT(trace,5,"regnotif");
8466 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8468 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8470 #ifdef CONFIG_QETH_IPV6
8471 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8476 #ifdef CONFIG_QETH_IPV6
8478 unregister_inetaddr_notifier(&qeth_ip_notifier);
8481 unregister_reboot_notifier(&qeth_reboot_notifier);
8486 * unregister all event notifiers
8489 qeth_unregister_notifiers(void)
8492 QETH_DBF_TEXT(trace,5,"unregnot");
8493 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8494 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8495 #ifdef CONFIG_QETH_IPV6
8496 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8497 #endif /* QETH_IPV6 */
8501 #ifdef CONFIG_QETH_IPV6
8503 qeth_ipv6_init(void)
8505 qeth_old_arp_constructor = arp_tbl.constructor;
8506 write_lock_bh(&arp_tbl.lock);
8507 arp_tbl.constructor = qeth_arp_constructor;
8508 write_unlock_bh(&arp_tbl.lock);
8510 arp_direct_ops = (struct neigh_ops*)
8511 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8512 if (!arp_direct_ops)
8515 memcpy(arp_direct_ops, &arp_direct_ops_template,
8516 sizeof(struct neigh_ops));
8522 qeth_ipv6_uninit(void)
8524 write_lock_bh(&arp_tbl.lock);
8525 arp_tbl.constructor = qeth_old_arp_constructor;
8526 write_unlock_bh(&arp_tbl.lock);
8527 kfree(arp_direct_ops);
8529 #endif /* CONFIG_QETH_IPV6 */
8532 qeth_sysfs_unregister(void)
8534 qeth_remove_driver_attributes();
8535 ccw_driver_unregister(&qeth_ccw_driver);
8536 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8537 s390_root_dev_unregister(qeth_root_dev);
8540 * register qeth at sysfs
8543 qeth_sysfs_register(void)
8547 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8550 rc = ccw_driver_register(&qeth_ccw_driver);
8553 rc = qeth_create_driver_attributes();
8556 qeth_root_dev = s390_root_dev_register("qeth");
8557 if (IS_ERR(qeth_root_dev)) {
8558 rc = PTR_ERR(qeth_root_dev);
8572 PRINT_INFO("loading %s\n", version);
8574 INIT_LIST_HEAD(&qeth_card_list.list);
8575 INIT_LIST_HEAD(&qeth_notify_list);
8576 spin_lock_init(&qeth_notify_lock);
8577 rwlock_init(&qeth_card_list.rwlock);
8579 if (qeth_register_dbf_views())
8581 if (qeth_sysfs_register())
8584 #ifdef CONFIG_QETH_IPV6
8585 if (qeth_ipv6_init()) {
8586 PRINT_ERR("Out of memory during ipv6 init.\n");
8589 #endif /* QETH_IPV6 */
8590 if (qeth_register_notifiers())
8592 if (qeth_create_procfs_entries())
8598 qeth_unregister_notifiers();
8600 #ifdef CONFIG_QETH_IPV6
8602 #endif /* QETH_IPV6 */
8604 qeth_sysfs_unregister();
8605 qeth_unregister_dbf_views();
8607 PRINT_ERR("Initialization failed");
8612 __exit qeth_exit(void)
8614 struct qeth_card *card, *tmp;
8615 unsigned long flags;
8617 QETH_DBF_TEXT(trace,1, "cleanup.");
8620 * Weed would not need to clean up our devices here, because the
8621 * common device layer calls qeth_remove_device for each device
8622 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8623 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8624 * qeth_remove_device called by the common device layer would otherwise
8625 * do a "hard" shutdown (card->use_hard_stop is set to one in
8626 * qeth_remove_device).
8629 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8630 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8631 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8632 qeth_set_offline(card->gdev);
8633 qeth_remove_device(card->gdev);
8636 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8637 #ifdef CONFIG_QETH_IPV6
8640 qeth_unregister_notifiers();
8641 qeth_remove_procfs_entries();
8642 qeth_sysfs_unregister();
8643 qeth_unregister_dbf_views();
8644 printk("qeth: removed\n");
8647 EXPORT_SYMBOL(qeth_osn_register);
8648 EXPORT_SYMBOL(qeth_osn_deregister);
8649 EXPORT_SYMBOL(qeth_osn_assist);
8650 module_init(qeth_init);
8651 module_exit(qeth_exit);
8652 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8653 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8654 "Copyright 2000,2003 IBM Corporation\n");
8656 MODULE_LICENSE("GPL");