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);
88 * some more definitions and declarations
90 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
92 /* list of our cards */
93 struct qeth_card_list_struct qeth_card_list;
94 /*process list want to be notified*/
95 spinlock_t qeth_notify_lock;
96 struct list_head qeth_notify_list;
98 static void qeth_send_control_data_cb(struct qeth_channel *,
99 struct qeth_cmd_buffer *);
102 * here we go with function implementation
105 qeth_init_qdio_info(struct qeth_card *card);
108 qeth_init_qdio_queues(struct qeth_card *card);
111 qeth_alloc_qdio_buffers(struct qeth_card *card);
114 qeth_free_qdio_buffers(struct qeth_card *);
117 qeth_clear_qdio_buffers(struct qeth_card *);
120 qeth_clear_ip_list(struct qeth_card *, int, int);
123 qeth_clear_ipacmd_list(struct qeth_card *);
126 qeth_qdio_clear_card(struct qeth_card *, int);
129 qeth_clear_working_pool_list(struct qeth_card *);
132 qeth_clear_cmd_buffers(struct qeth_channel *);
135 qeth_stop(struct net_device *);
138 qeth_clear_ipato_list(struct qeth_card *);
141 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
144 qeth_irq_tasklet(unsigned long);
147 qeth_set_online(struct ccwgroup_device *);
150 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode);
152 static struct qeth_ipaddr *
153 qeth_get_addr_buffer(enum qeth_prot_versions);
156 qeth_set_multicast_list(struct net_device *);
159 qeth_setadp_promisc_mode(struct qeth_card *);
162 qeth_notify_processes(void)
164 /*notify all registered processes */
165 struct qeth_notify_list_struct *n_entry;
167 QETH_DBF_TEXT(trace,3,"procnoti");
168 spin_lock(&qeth_notify_lock);
169 list_for_each_entry(n_entry, &qeth_notify_list, list) {
170 send_sig(n_entry->signum, n_entry->task, 1);
172 spin_unlock(&qeth_notify_lock);
176 qeth_notifier_unregister(struct task_struct *p)
178 struct qeth_notify_list_struct *n_entry, *tmp;
180 QETH_DBF_TEXT(trace, 2, "notunreg");
181 spin_lock(&qeth_notify_lock);
182 list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
183 if (n_entry->task == p) {
184 list_del(&n_entry->list);
190 spin_unlock(&qeth_notify_lock);
194 qeth_notifier_register(struct task_struct *p, int signum)
196 struct qeth_notify_list_struct *n_entry;
198 /*check first if entry already exists*/
199 spin_lock(&qeth_notify_lock);
200 list_for_each_entry(n_entry, &qeth_notify_list, list) {
201 if (n_entry->task == p) {
202 n_entry->signum = signum;
203 spin_unlock(&qeth_notify_lock);
207 spin_unlock(&qeth_notify_lock);
209 n_entry = (struct qeth_notify_list_struct *)
210 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
214 n_entry->signum = signum;
215 spin_lock(&qeth_notify_lock);
216 list_add(&n_entry->list,&qeth_notify_list);
217 spin_unlock(&qeth_notify_lock);
223 * free channel command buffers
226 qeth_clean_channel(struct qeth_channel *channel)
230 QETH_DBF_TEXT(setup, 2, "freech");
231 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
232 kfree(channel->iob[cnt].data);
239 qeth_free_card(struct qeth_card *card)
242 QETH_DBF_TEXT(setup, 2, "freecrd");
243 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
244 qeth_clean_channel(&card->read);
245 qeth_clean_channel(&card->write);
247 free_netdev(card->dev);
248 qeth_clear_ip_list(card, 0, 0);
249 qeth_clear_ipato_list(card);
250 kfree(card->ip_tbd_list);
251 qeth_free_qdio_buffers(card);
256 * alloc memory for command buffer per channel
259 qeth_setup_channel(struct qeth_channel *channel)
263 QETH_DBF_TEXT(setup, 2, "setupch");
264 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
265 channel->iob[cnt].data = (char *)
266 kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
267 if (channel->iob[cnt].data == NULL)
269 channel->iob[cnt].state = BUF_STATE_FREE;
270 channel->iob[cnt].channel = channel;
271 channel->iob[cnt].callback = qeth_send_control_data_cb;
272 channel->iob[cnt].rc = 0;
274 if (cnt < QETH_CMD_BUFFER_NO) {
276 kfree(channel->iob[cnt].data);
280 channel->io_buf_no = 0;
281 atomic_set(&channel->irq_pending, 0);
282 spin_lock_init(&channel->iob_lock);
284 init_waitqueue_head(&channel->wait_q);
285 channel->irq_tasklet.data = (unsigned long) channel;
286 channel->irq_tasklet.func = qeth_irq_tasklet;
291 * alloc memory for card structure
293 static struct qeth_card *
294 qeth_alloc_card(void)
296 struct qeth_card *card;
298 QETH_DBF_TEXT(setup, 2, "alloccrd");
299 card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
302 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
303 if (qeth_setup_channel(&card->read)) {
307 if (qeth_setup_channel(&card->write)) {
308 qeth_clean_channel(&card->read);
316 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
321 switch (PTR_ERR(irb)) {
323 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
324 QETH_DBF_TEXT(trace, 2, "ckirberr");
325 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
328 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
329 QETH_DBF_TEXT(trace, 2, "ckirberr");
330 QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT);
333 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
335 QETH_DBF_TEXT(trace, 2, "ckirberr");
336 QETH_DBF_TEXT(trace, 2, " rc???");
342 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
347 sense = (char *) irb->ecw;
348 cstat = irb->scsw.cstat;
349 dstat = irb->scsw.dstat;
351 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
352 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
353 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
354 QETH_DBF_TEXT(trace,2, "CGENCHK");
355 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
356 cdev->dev.bus_id, dstat, cstat);
357 HEXDUMP16(WARN, "irb: ", irb);
358 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
362 if (dstat & DEV_STAT_UNIT_CHECK) {
363 if (sense[SENSE_RESETTING_EVENT_BYTE] &
364 SENSE_RESETTING_EVENT_FLAG) {
365 QETH_DBF_TEXT(trace,2,"REVIND");
368 if (sense[SENSE_COMMAND_REJECT_BYTE] &
369 SENSE_COMMAND_REJECT_FLAG) {
370 QETH_DBF_TEXT(trace,2,"CMDREJi");
373 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
374 QETH_DBF_TEXT(trace,2,"AFFE");
377 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
378 QETH_DBF_TEXT(trace,2,"ZEROSEN");
381 QETH_DBF_TEXT(trace,2,"DGENCHK");
386 static int qeth_issue_next_read(struct qeth_card *);
392 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
396 struct qeth_cmd_buffer *buffer;
397 struct qeth_channel *channel;
398 struct qeth_card *card;
400 QETH_DBF_TEXT(trace,5,"irq");
402 if (__qeth_check_irb_error(cdev, irb))
404 cstat = irb->scsw.cstat;
405 dstat = irb->scsw.dstat;
407 card = CARD_FROM_CDEV(cdev);
411 if (card->read.ccwdev == cdev){
412 channel = &card->read;
413 QETH_DBF_TEXT(trace,5,"read");
414 } else if (card->write.ccwdev == cdev) {
415 channel = &card->write;
416 QETH_DBF_TEXT(trace,5,"write");
418 channel = &card->data;
419 QETH_DBF_TEXT(trace,5,"data");
421 atomic_set(&channel->irq_pending, 0);
423 if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
424 channel->state = CH_STATE_STOPPED;
426 if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
427 channel->state = CH_STATE_HALTED;
429 /*let's wake up immediately on data channel*/
430 if ((channel == &card->data) && (intparm != 0))
433 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
434 QETH_DBF_TEXT(trace, 6, "clrchpar");
435 /* we don't have to handle this further */
438 if (intparm == QETH_HALT_CHANNEL_PARM) {
439 QETH_DBF_TEXT(trace, 6, "hltchpar");
440 /* we don't have to handle this further */
443 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
444 (dstat & DEV_STAT_UNIT_CHECK) ||
446 if (irb->esw.esw0.erw.cons) {
447 /* TODO: we should make this s390dbf */
448 PRINT_WARN("sense data available on channel %s.\n",
449 CHANNEL_ID(channel));
450 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
451 HEXDUMP16(WARN,"irb: ",irb);
452 HEXDUMP16(WARN,"sense data: ",irb->ecw);
454 rc = qeth_get_problem(cdev,irb);
456 qeth_schedule_recovery(card);
462 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
463 buffer->state = BUF_STATE_PROCESSED;
465 if (channel == &card->data)
468 if (channel == &card->read &&
469 channel->state == CH_STATE_UP)
470 qeth_issue_next_read(card);
472 tasklet_schedule(&channel->irq_tasklet);
475 wake_up(&card->wait_q);
479 * tasklet function scheduled from irq handler
482 qeth_irq_tasklet(unsigned long data)
484 struct qeth_card *card;
485 struct qeth_channel *channel;
486 struct qeth_cmd_buffer *iob;
489 QETH_DBF_TEXT(trace,5,"irqtlet");
490 channel = (struct qeth_channel *) data;
492 index = channel->buf_no;
493 card = CARD_FROM_CDEV(channel->ccwdev);
494 while (iob[index].state == BUF_STATE_PROCESSED) {
495 if (iob[index].callback !=NULL) {
496 iob[index].callback(channel,iob + index);
498 index = (index + 1) % QETH_CMD_BUFFER_NO;
500 channel->buf_no = index;
501 wake_up(&card->wait_q);
504 static int qeth_stop_card(struct qeth_card *, int);
507 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
509 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
510 int rc = 0, rc2 = 0, rc3 = 0;
511 enum qeth_card_states recover_flag;
513 QETH_DBF_TEXT(setup, 3, "setoffl");
514 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
516 if (card->dev && netif_carrier_ok(card->dev))
517 netif_carrier_off(card->dev);
518 recover_flag = card->state;
519 if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
520 PRINT_WARN("Stopping card %s interrupted by user!\n",
524 rc = ccw_device_set_offline(CARD_DDEV(card));
525 rc2 = ccw_device_set_offline(CARD_WDEV(card));
526 rc3 = ccw_device_set_offline(CARD_RDEV(card));
528 rc = (rc2) ? rc2 : rc3;
530 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
531 if (recover_flag == CARD_STATE_UP)
532 card->state = CARD_STATE_RECOVER;
533 qeth_notify_processes();
538 qeth_set_offline(struct ccwgroup_device *cgdev)
540 return __qeth_set_offline(cgdev, 0);
544 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads);
548 qeth_remove_device(struct ccwgroup_device *cgdev)
550 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
553 QETH_DBF_TEXT(setup, 3, "rmdev");
554 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
559 if (qeth_wait_for_threads(card, 0xffffffff))
562 if (cgdev->state == CCWGROUP_ONLINE){
563 card->use_hard_stop = 1;
564 qeth_set_offline(cgdev);
566 /* remove form our internal list */
567 write_lock_irqsave(&qeth_card_list.rwlock, flags);
568 list_del(&card->list);
569 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
571 unregister_netdev(card->dev);
572 qeth_remove_device_attributes(&cgdev->dev);
573 qeth_free_card(card);
574 cgdev->dev.driver_data = NULL;
575 put_device(&cgdev->dev);
579 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
581 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
584 * Add/remove address to/from card's ip list, i.e. try to add or remove
585 * reference to/from an IP address that is already registered on the card.
587 * 0 address was on card and its reference count has been adjusted,
588 * but is still > 0, so nothing has to be done
589 * also returns 0 if card was not on card and the todo was to delete
590 * the address -> there is also nothing to be done
591 * 1 address was not on card and the todo is to add it to the card's ip
593 * -1 address was on card and its reference count has been decremented
594 * to <= 0 by the todo -> address must be removed from card
597 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
598 struct qeth_ipaddr **__addr)
600 struct qeth_ipaddr *addr;
603 list_for_each_entry(addr, &card->ip_list, entry) {
604 if (card->options.layer2) {
605 if ((addr->type == todo->type) &&
606 (memcmp(&addr->mac, &todo->mac,
607 OSA_ADDR_LEN) == 0)) {
613 if ((addr->proto == QETH_PROT_IPV4) &&
614 (todo->proto == QETH_PROT_IPV4) &&
615 (addr->type == todo->type) &&
616 (addr->u.a4.addr == todo->u.a4.addr) &&
617 (addr->u.a4.mask == todo->u.a4.mask)) {
621 if ((addr->proto == QETH_PROT_IPV6) &&
622 (todo->proto == QETH_PROT_IPV6) &&
623 (addr->type == todo->type) &&
624 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
625 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
626 sizeof(struct in6_addr)) == 0)) {
632 addr->users += todo->users;
633 if (addr->users <= 0){
637 /* for VIPA and RXIP limit refcount to 1 */
638 if (addr->type != QETH_IP_TYPE_NORMAL)
643 if (todo->users > 0) {
644 /* for VIPA and RXIP limit refcount to 1 */
645 if (todo->type != QETH_IP_TYPE_NORMAL)
653 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
656 struct qeth_ipaddr *tmp;
658 list_for_each_entry(tmp, list, entry) {
659 if ((tmp->proto == QETH_PROT_IPV4) &&
660 (addr->proto == QETH_PROT_IPV4) &&
661 ((same_type && (tmp->type == addr->type)) ||
662 (!same_type && (tmp->type != addr->type)) ) &&
663 (tmp->u.a4.addr == addr->u.a4.addr) ){
666 if ((tmp->proto == QETH_PROT_IPV6) &&
667 (addr->proto == QETH_PROT_IPV6) &&
668 ((same_type && (tmp->type == addr->type)) ||
669 (!same_type && (tmp->type != addr->type)) ) &&
670 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
671 sizeof(struct in6_addr)) == 0) ) {
679 * Add IP to be added to todo list. If there is already an "add todo"
680 * in this list we just incremenent the reference count.
681 * Returns 0 if we just incremented reference count.
684 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
686 struct qeth_ipaddr *tmp, *t;
689 list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
690 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
691 (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
693 if (card->options.layer2) {
694 if ((tmp->type == addr->type) &&
695 (tmp->is_multicast == addr->is_multicast) &&
696 (memcmp(&tmp->mac, &addr->mac,
697 OSA_ADDR_LEN) == 0)) {
703 if ((tmp->proto == QETH_PROT_IPV4) &&
704 (addr->proto == QETH_PROT_IPV4) &&
705 (tmp->type == addr->type) &&
706 (tmp->is_multicast == addr->is_multicast) &&
707 (tmp->u.a4.addr == addr->u.a4.addr) &&
708 (tmp->u.a4.mask == addr->u.a4.mask)) {
712 if ((tmp->proto == QETH_PROT_IPV6) &&
713 (addr->proto == QETH_PROT_IPV6) &&
714 (tmp->type == addr->type) &&
715 (tmp->is_multicast == addr->is_multicast) &&
716 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
717 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
718 sizeof(struct in6_addr)) == 0)) {
724 if (addr->users != 0)
725 tmp->users += addr->users;
727 tmp->users += add? 1:-1;
728 if (tmp->users == 0) {
729 list_del(&tmp->entry);
734 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
735 list_add(&addr->entry, card->ip_tbd_list);
737 if (addr->users == 0)
738 addr->users += add? 1:-1;
739 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
740 qeth_is_addr_covered_by_ipato(card, addr)){
741 QETH_DBF_TEXT(trace, 2, "tkovaddr");
742 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
744 list_add_tail(&addr->entry, card->ip_tbd_list);
751 * Remove IP address from list
754 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
759 QETH_DBF_TEXT(trace, 4, "delip");
761 if (card->options.layer2)
762 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
763 else if (addr->proto == QETH_PROT_IPV4)
764 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
766 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
767 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
769 spin_lock_irqsave(&card->ip_lock, flags);
770 rc = __qeth_insert_ip_todo(card, addr, 0);
771 spin_unlock_irqrestore(&card->ip_lock, flags);
776 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
781 QETH_DBF_TEXT(trace, 4, "addip");
782 if (card->options.layer2)
783 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
784 else if (addr->proto == QETH_PROT_IPV4)
785 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
787 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
788 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
790 spin_lock_irqsave(&card->ip_lock, flags);
791 rc = __qeth_insert_ip_todo(card, addr, 1);
792 spin_unlock_irqrestore(&card->ip_lock, flags);
797 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
799 struct qeth_ipaddr *addr, *tmp;
802 list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
803 if (addr->is_multicast) {
804 spin_unlock_irqrestore(&card->ip_lock, *flags);
805 rc = qeth_deregister_addr_entry(card, addr);
806 spin_lock_irqsave(&card->ip_lock, *flags);
808 list_del(&addr->entry);
817 qeth_set_ip_addr_list(struct qeth_card *card)
819 struct list_head *tbd_list;
820 struct qeth_ipaddr *todo, *addr;
824 QETH_DBF_TEXT(trace, 2, "sdiplist");
825 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
827 spin_lock_irqsave(&card->ip_lock, flags);
828 tbd_list = card->ip_tbd_list;
829 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
830 if (!card->ip_tbd_list) {
831 QETH_DBF_TEXT(trace, 0, "silnomem");
832 card->ip_tbd_list = tbd_list;
833 spin_unlock_irqrestore(&card->ip_lock, flags);
836 INIT_LIST_HEAD(card->ip_tbd_list);
838 while (!list_empty(tbd_list)){
839 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
840 list_del(&todo->entry);
841 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
842 __qeth_delete_all_mc(card, &flags);
846 rc = __qeth_ref_ip_on_card(card, todo, &addr);
848 /* nothing to be done; only adjusted refcount */
850 } else if (rc == 1) {
851 /* new entry to be added to on-card list */
852 spin_unlock_irqrestore(&card->ip_lock, flags);
853 rc = qeth_register_addr_entry(card, todo);
854 spin_lock_irqsave(&card->ip_lock, flags);
856 list_add_tail(&todo->entry, &card->ip_list);
859 } else if (rc == -1) {
860 /* on-card entry to be removed */
861 list_del_init(&addr->entry);
862 spin_unlock_irqrestore(&card->ip_lock, flags);
863 rc = qeth_deregister_addr_entry(card, addr);
864 spin_lock_irqsave(&card->ip_lock, flags);
868 list_add_tail(&addr->entry, &card->ip_list);
872 spin_unlock_irqrestore(&card->ip_lock, flags);
876 static void qeth_delete_mc_addresses(struct qeth_card *);
877 static void qeth_add_multicast_ipv4(struct qeth_card *);
878 static void qeth_layer2_add_multicast(struct qeth_card *);
879 #ifdef CONFIG_QETH_IPV6
880 static void qeth_add_multicast_ipv6(struct qeth_card *);
884 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
888 spin_lock_irqsave(&card->thread_mask_lock, flags);
889 if ( !(card->thread_allowed_mask & thread) ||
890 (card->thread_start_mask & thread) ) {
891 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
894 card->thread_start_mask |= thread;
895 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
900 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
904 spin_lock_irqsave(&card->thread_mask_lock, flags);
905 card->thread_start_mask &= ~thread;
906 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
907 wake_up(&card->wait_q);
911 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
915 spin_lock_irqsave(&card->thread_mask_lock, flags);
916 card->thread_running_mask &= ~thread;
917 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
918 wake_up(&card->wait_q);
922 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
927 spin_lock_irqsave(&card->thread_mask_lock, flags);
928 if (card->thread_start_mask & thread){
929 if ((card->thread_allowed_mask & thread) &&
930 !(card->thread_running_mask & thread)){
932 card->thread_start_mask &= ~thread;
933 card->thread_running_mask |= thread;
937 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
942 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
946 wait_event(card->wait_q,
947 (rc = __qeth_do_run_thread(card, thread)) >= 0);
952 qeth_register_ip_addresses(void *ptr)
954 struct qeth_card *card;
956 card = (struct qeth_card *) ptr;
957 daemonize("qeth_reg_ip");
958 QETH_DBF_TEXT(trace,4,"regipth1");
959 if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD))
961 QETH_DBF_TEXT(trace,4,"regipth2");
962 qeth_set_ip_addr_list(card);
963 qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD);
968 * Drive the SET_PROMISC_MODE thread
971 qeth_set_promisc_mode(void *ptr)
973 struct qeth_card *card = (struct qeth_card *) ptr;
975 daemonize("qeth_setprm");
976 QETH_DBF_TEXT(trace,4,"setprm1");
977 if (!qeth_do_run_thread(card, QETH_SET_PROMISC_MODE_THREAD))
979 QETH_DBF_TEXT(trace,4,"setprm2");
980 qeth_setadp_promisc_mode(card);
981 qeth_clear_thread_running_bit(card, QETH_SET_PROMISC_MODE_THREAD);
986 qeth_recover(void *ptr)
988 struct qeth_card *card;
991 card = (struct qeth_card *) ptr;
992 daemonize("qeth_recover");
993 QETH_DBF_TEXT(trace,2,"recover1");
994 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
995 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
997 QETH_DBF_TEXT(trace,2,"recover2");
998 PRINT_WARN("Recovery of device %s started ...\n",
1000 card->use_hard_stop = 1;
1001 __qeth_set_offline(card->gdev,1);
1002 rc = __qeth_set_online(card->gdev,1);
1004 PRINT_INFO("Device %s successfully recovered!\n",
1007 PRINT_INFO("Device %s could not be recovered!\n",
1009 /* don't run another scheduled recovery */
1010 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
1011 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
1016 qeth_schedule_recovery(struct qeth_card *card)
1018 QETH_DBF_TEXT(trace,2,"startrec");
1019 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
1020 schedule_work(&card->kernel_thread_starter);
1024 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1026 unsigned long flags;
1029 spin_lock_irqsave(&card->thread_mask_lock, flags);
1030 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
1031 (u8) card->thread_start_mask,
1032 (u8) card->thread_allowed_mask,
1033 (u8) card->thread_running_mask);
1034 rc = (card->thread_start_mask & thread);
1035 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1040 qeth_start_kernel_thread(struct qeth_card *card)
1042 QETH_DBF_TEXT(trace , 2, "strthrd");
1044 if (card->read.state != CH_STATE_UP &&
1045 card->write.state != CH_STATE_UP)
1048 if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
1049 kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD);
1050 if (qeth_do_start_thread(card, QETH_SET_PROMISC_MODE_THREAD))
1051 kernel_thread(qeth_set_promisc_mode, (void *)card, SIGCHLD);
1052 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1053 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1058 qeth_set_intial_options(struct qeth_card *card)
1060 card->options.route4.type = NO_ROUTER;
1061 #ifdef CONFIG_QETH_IPV6
1062 card->options.route6.type = NO_ROUTER;
1063 #endif /* QETH_IPV6 */
1064 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1065 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1066 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1067 card->options.fake_broadcast = 0;
1068 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1069 card->options.fake_ll = 0;
1070 if (card->info.type == QETH_CARD_TYPE_OSN)
1071 card->options.layer2 = 1;
1073 card->options.layer2 = 0;
1077 * initialize channels ,card and all state machines
1080 qeth_setup_card(struct qeth_card *card)
1083 QETH_DBF_TEXT(setup, 2, "setupcrd");
1084 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1086 card->read.state = CH_STATE_DOWN;
1087 card->write.state = CH_STATE_DOWN;
1088 card->data.state = CH_STATE_DOWN;
1089 card->state = CARD_STATE_DOWN;
1090 card->lan_online = 0;
1091 card->use_hard_stop = 0;
1093 #ifdef CONFIG_QETH_VLAN
1094 spin_lock_init(&card->vlanlock);
1095 card->vlangrp = NULL;
1097 spin_lock_init(&card->lock);
1098 spin_lock_init(&card->ip_lock);
1099 spin_lock_init(&card->thread_mask_lock);
1100 card->thread_start_mask = 0;
1101 card->thread_allowed_mask = 0;
1102 card->thread_running_mask = 0;
1103 INIT_WORK(&card->kernel_thread_starter,
1104 (void *)qeth_start_kernel_thread,card);
1105 INIT_LIST_HEAD(&card->ip_list);
1106 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1107 if (!card->ip_tbd_list) {
1108 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1111 INIT_LIST_HEAD(card->ip_tbd_list);
1112 INIT_LIST_HEAD(&card->cmd_waiter_list);
1113 init_waitqueue_head(&card->wait_q);
1114 /* intial options */
1115 qeth_set_intial_options(card);
1116 /* IP address takeover */
1117 INIT_LIST_HEAD(&card->ipato.entries);
1118 card->ipato.enabled = 0;
1119 card->ipato.invert4 = 0;
1120 card->ipato.invert6 = 0;
1121 /* init QDIO stuff */
1122 qeth_init_qdio_info(card);
1127 is_1920_device (struct qeth_card *card)
1129 int single_queue = 0;
1130 struct ccw_device *ccwdev;
1131 struct channelPath_dsc {
1142 QETH_DBF_TEXT(setup, 2, "chk_1920");
1144 ccwdev = card->data.ccwdev;
1145 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1146 if (chp_dsc != NULL) {
1147 /* CHPP field bit 6 == 1 -> single queue */
1148 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1151 QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1152 return single_queue;
1156 qeth_determine_card_type(struct qeth_card *card)
1160 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1162 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1163 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1164 while (known_devices[i][4]) {
1165 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1166 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1167 card->info.type = known_devices[i][4];
1168 card->qdio.no_out_queues = known_devices[i][8];
1169 card->info.is_multicast_different = known_devices[i][9];
1170 if (is_1920_device(card)) {
1171 PRINT_INFO("Priority Queueing not able "
1172 "due to hardware limitations!\n");
1173 card->qdio.no_out_queues = 1;
1174 card->qdio.default_out_queue = 0;
1180 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1181 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1186 qeth_probe_device(struct ccwgroup_device *gdev)
1188 struct qeth_card *card;
1190 unsigned long flags;
1193 QETH_DBF_TEXT(setup, 2, "probedev");
1196 if (!get_device(dev))
1199 QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
1201 card = qeth_alloc_card();
1204 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1207 card->read.ccwdev = gdev->cdev[0];
1208 card->write.ccwdev = gdev->cdev[1];
1209 card->data.ccwdev = gdev->cdev[2];
1210 gdev->dev.driver_data = card;
1212 gdev->cdev[0]->handler = qeth_irq;
1213 gdev->cdev[1]->handler = qeth_irq;
1214 gdev->cdev[2]->handler = qeth_irq;
1216 if ((rc = qeth_determine_card_type(card))){
1217 PRINT_WARN("%s: not a valid card type\n", __func__);
1218 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1220 qeth_free_card(card);
1223 if ((rc = qeth_setup_card(card))){
1224 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1226 qeth_free_card(card);
1229 rc = qeth_create_device_attributes(dev);
1232 qeth_free_card(card);
1235 /* insert into our internal list */
1236 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1237 list_add_tail(&card->list, &qeth_card_list.list);
1238 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1244 qeth_get_unitaddr(struct qeth_card *card)
1250 QETH_DBF_TEXT(setup, 2, "getunit");
1251 rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1253 PRINT_ERR("read_conf_data for device %s returned %i\n",
1254 CARD_DDEV_ID(card), rc);
1257 card->info.chpid = prcd[30];
1258 card->info.unit_addr2 = prcd[31];
1259 card->info.cula = prcd[63];
1260 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1261 (prcd[0x11] == _ascebc['M']));
1266 qeth_init_tokens(struct qeth_card *card)
1268 card->token.issuer_rm_w = 0x00010103UL;
1269 card->token.cm_filter_w = 0x00010108UL;
1270 card->token.cm_connection_w = 0x0001010aUL;
1271 card->token.ulp_filter_w = 0x0001010bUL;
1272 card->token.ulp_connection_w = 0x0001010dUL;
1276 raw_devno_from_bus_id(char *id)
1278 id += (strlen(id) - 4);
1279 return (__u16) simple_strtoul(id, &id, 16);
1285 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1287 struct qeth_card *card;
1289 QETH_DBF_TEXT(trace, 4, "setupccw");
1290 card = CARD_FROM_CDEV(channel->ccwdev);
1291 if (channel == &card->read)
1292 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1294 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1295 channel->ccw.count = len;
1296 channel->ccw.cda = (__u32) __pa(iob);
1300 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1302 static struct qeth_cmd_buffer *
1303 __qeth_get_buffer(struct qeth_channel *channel)
1307 QETH_DBF_TEXT(trace, 6, "getbuff");
1308 index = channel->io_buf_no;
1310 if (channel->iob[index].state == BUF_STATE_FREE) {
1311 channel->iob[index].state = BUF_STATE_LOCKED;
1312 channel->io_buf_no = (channel->io_buf_no + 1) %
1314 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1315 return channel->iob + index;
1317 index = (index + 1) % QETH_CMD_BUFFER_NO;
1318 } while(index != channel->io_buf_no);
1324 * release command buffer
1327 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1329 unsigned long flags;
1331 QETH_DBF_TEXT(trace, 6, "relbuff");
1332 spin_lock_irqsave(&channel->iob_lock, flags);
1333 memset(iob->data, 0, QETH_BUFSIZE);
1334 iob->state = BUF_STATE_FREE;
1335 iob->callback = qeth_send_control_data_cb;
1337 spin_unlock_irqrestore(&channel->iob_lock, flags);
1340 static struct qeth_cmd_buffer *
1341 qeth_get_buffer(struct qeth_channel *channel)
1343 struct qeth_cmd_buffer *buffer = NULL;
1344 unsigned long flags;
1346 spin_lock_irqsave(&channel->iob_lock, flags);
1347 buffer = __qeth_get_buffer(channel);
1348 spin_unlock_irqrestore(&channel->iob_lock, flags);
1352 static struct qeth_cmd_buffer *
1353 qeth_wait_for_buffer(struct qeth_channel *channel)
1355 struct qeth_cmd_buffer *buffer;
1356 wait_event(channel->wait_q,
1357 ((buffer = qeth_get_buffer(channel)) != NULL));
1362 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1366 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1367 qeth_release_buffer(channel,&channel->iob[cnt]);
1368 channel->buf_no = 0;
1369 channel->io_buf_no = 0;
1373 * start IDX for read and write channel
1376 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1377 void (*idx_reply_cb)(struct qeth_channel *,
1378 struct qeth_cmd_buffer *))
1380 struct qeth_cmd_buffer *iob;
1381 unsigned long flags;
1383 struct qeth_card *card;
1385 QETH_DBF_TEXT(setup, 2, "idxanswr");
1386 card = CARD_FROM_CDEV(channel->ccwdev);
1387 iob = qeth_get_buffer(channel);
1388 iob->callback = idx_reply_cb;
1389 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1390 channel->ccw.count = QETH_BUFSIZE;
1391 channel->ccw.cda = (__u32) __pa(iob->data);
1393 wait_event(card->wait_q,
1394 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1395 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1396 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1397 rc = ccw_device_start(channel->ccwdev,
1398 &channel->ccw,(addr_t) iob, 0, 0);
1399 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1402 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1403 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1404 atomic_set(&channel->irq_pending, 0);
1405 wake_up(&card->wait_q);
1408 rc = wait_event_interruptible_timeout(card->wait_q,
1409 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1410 if (rc == -ERESTARTSYS)
1412 if (channel->state != CH_STATE_UP){
1414 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1415 qeth_clear_cmd_buffers(channel);
1422 qeth_idx_activate_channel(struct qeth_channel *channel,
1423 void (*idx_reply_cb)(struct qeth_channel *,
1424 struct qeth_cmd_buffer *))
1426 struct qeth_card *card;
1427 struct qeth_cmd_buffer *iob;
1428 unsigned long flags;
1432 card = CARD_FROM_CDEV(channel->ccwdev);
1434 QETH_DBF_TEXT(setup, 2, "idxactch");
1436 iob = qeth_get_buffer(channel);
1437 iob->callback = idx_reply_cb;
1438 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1439 channel->ccw.count = IDX_ACTIVATE_SIZE;
1440 channel->ccw.cda = (__u32) __pa(iob->data);
1441 if (channel == &card->write) {
1442 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1443 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1444 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1445 card->seqno.trans_hdr++;
1447 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1448 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1449 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1451 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1452 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1453 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1454 &card->info.func_level,sizeof(__u16));
1455 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1456 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1457 temp = (card->info.cula << 8) + card->info.unit_addr2;
1458 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1460 wait_event(card->wait_q,
1461 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1462 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1463 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1464 rc = ccw_device_start(channel->ccwdev,
1465 &channel->ccw,(addr_t) iob, 0, 0);
1466 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1469 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1470 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1471 atomic_set(&channel->irq_pending, 0);
1472 wake_up(&card->wait_q);
1475 rc = wait_event_interruptible_timeout(card->wait_q,
1476 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1477 if (rc == -ERESTARTSYS)
1479 if (channel->state != CH_STATE_ACTIVATING) {
1480 PRINT_WARN("qeth: IDX activate timed out!\n");
1481 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1482 qeth_clear_cmd_buffers(channel);
1485 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1489 qeth_peer_func_level(int level)
1491 if ((level & 0xff) == 8)
1492 return (level & 0xff) + 0x400;
1493 if (((level >> 8) & 3) == 1)
1494 return (level & 0xff) + 0x200;
1499 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1501 struct qeth_card *card;
1504 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1506 if (channel->state == CH_STATE_DOWN) {
1507 channel->state = CH_STATE_ACTIVATING;
1510 card = CARD_FROM_CDEV(channel->ccwdev);
1512 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1513 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1514 "reply\n", CARD_WDEV_ID(card));
1517 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1518 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1519 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1520 "function level mismatch "
1521 "(sent: 0x%x, received: 0x%x)\n",
1522 CARD_WDEV_ID(card), card->info.func_level, temp);
1525 channel->state = CH_STATE_UP;
1527 qeth_release_buffer(channel, iob);
1531 qeth_check_idx_response(unsigned char *buffer)
1536 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1537 if ((buffer[2] & 0xc0) == 0xc0) {
1538 PRINT_WARN("received an IDX TERMINATE "
1539 "with cause code 0x%02x%s\n",
1541 ((buffer[4] == 0x22) ?
1542 " -- try another portname" : ""));
1543 QETH_DBF_TEXT(trace, 2, "ckidxres");
1544 QETH_DBF_TEXT(trace, 2, " idxterm");
1545 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1552 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1554 struct qeth_card *card;
1557 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1558 if (channel->state == CH_STATE_DOWN) {
1559 channel->state = CH_STATE_ACTIVATING;
1563 card = CARD_FROM_CDEV(channel->ccwdev);
1564 if (qeth_check_idx_response(iob->data)) {
1567 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1568 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1569 "reply\n", CARD_RDEV_ID(card));
1574 * temporary fix for microcode bug
1575 * to revert it,replace OR by AND
1577 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1578 (card->info.type == QETH_CARD_TYPE_OSAE) )
1579 card->info.portname_required = 1;
1581 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1582 if (temp != qeth_peer_func_level(card->info.func_level)) {
1583 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1584 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1585 CARD_RDEV_ID(card), card->info.func_level, temp);
1588 memcpy(&card->token.issuer_rm_r,
1589 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1590 QETH_MPC_TOKEN_LENGTH);
1591 memcpy(&card->info.mcl_level[0],
1592 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1593 channel->state = CH_STATE_UP;
1595 qeth_release_buffer(channel,iob);
1599 qeth_issue_next_read(struct qeth_card *card)
1602 struct qeth_cmd_buffer *iob;
1604 QETH_DBF_TEXT(trace,5,"issnxrd");
1605 if (card->read.state != CH_STATE_UP)
1607 iob = qeth_get_buffer(&card->read);
1609 PRINT_WARN("issue_next_read failed: no iob available!\n");
1612 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1613 wait_event(card->wait_q,
1614 atomic_cmpxchg(&card->read.irq_pending, 0, 1) == 0);
1615 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1616 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1617 (addr_t) iob, 0, 0);
1619 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1620 atomic_set(&card->read.irq_pending, 0);
1621 qeth_schedule_recovery(card);
1622 wake_up(&card->wait_q);
1627 static struct qeth_reply *
1628 qeth_alloc_reply(struct qeth_card *card)
1630 struct qeth_reply *reply;
1632 reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1634 atomic_set(&reply->refcnt, 1);
1641 qeth_get_reply(struct qeth_reply *reply)
1643 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1644 atomic_inc(&reply->refcnt);
1648 qeth_put_reply(struct qeth_reply *reply)
1650 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1651 if (atomic_dec_and_test(&reply->refcnt))
1656 qeth_cmd_timeout(unsigned long data)
1658 struct qeth_reply *reply, *list_reply, *r;
1659 unsigned long flags;
1661 reply = (struct qeth_reply *) data;
1662 spin_lock_irqsave(&reply->card->lock, flags);
1663 list_for_each_entry_safe(list_reply, r,
1664 &reply->card->cmd_waiter_list, list) {
1665 if (reply == list_reply){
1666 qeth_get_reply(reply);
1667 list_del_init(&reply->list);
1668 spin_unlock_irqrestore(&reply->card->lock, flags);
1670 reply->received = 1;
1671 wake_up(&reply->wait_q);
1672 qeth_put_reply(reply);
1676 spin_unlock_irqrestore(&reply->card->lock, flags);
1680 static struct qeth_ipa_cmd *
1681 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1683 struct qeth_ipa_cmd *cmd = NULL;
1685 QETH_DBF_TEXT(trace,5,"chkipad");
1686 if (IS_IPA(iob->data)){
1687 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1688 if (IS_IPA_REPLY(cmd))
1691 switch (cmd->hdr.command) {
1692 case IPA_CMD_STOPLAN:
1693 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1694 "there is a network problem or "
1695 "someone pulled the cable or "
1696 "disabled the port.\n",
1697 QETH_CARD_IFNAME(card),
1699 card->lan_online = 0;
1700 if (card->dev && netif_carrier_ok(card->dev))
1701 netif_carrier_off(card->dev);
1703 case IPA_CMD_STARTLAN:
1704 PRINT_INFO("Link reestablished on %s "
1705 "(CHPID 0x%X). Scheduling "
1706 "IP address reset.\n",
1707 QETH_CARD_IFNAME(card),
1709 qeth_schedule_recovery(card);
1711 case IPA_CMD_MODCCID:
1713 case IPA_CMD_REGISTER_LOCAL_ADDR:
1714 QETH_DBF_TEXT(trace,3, "irla");
1716 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1717 QETH_DBF_TEXT(trace,3, "urla");
1720 PRINT_WARN("Received data is IPA "
1721 "but not a reply!\n");
1730 * wake all waiting ipa commands
1733 qeth_clear_ipacmd_list(struct qeth_card *card)
1735 struct qeth_reply *reply, *r;
1736 unsigned long flags;
1738 QETH_DBF_TEXT(trace, 4, "clipalst");
1740 spin_lock_irqsave(&card->lock, flags);
1741 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1742 qeth_get_reply(reply);
1744 reply->received = 1;
1745 list_del_init(&reply->list);
1746 wake_up(&reply->wait_q);
1747 qeth_put_reply(reply);
1749 spin_unlock_irqrestore(&card->lock, flags);
1753 qeth_send_control_data_cb(struct qeth_channel *channel,
1754 struct qeth_cmd_buffer *iob)
1756 struct qeth_card *card;
1757 struct qeth_reply *reply, *r;
1758 struct qeth_ipa_cmd *cmd;
1759 unsigned long flags;
1762 QETH_DBF_TEXT(trace,4,"sndctlcb");
1764 card = CARD_FROM_CDEV(channel->ccwdev);
1765 if (qeth_check_idx_response(iob->data)) {
1766 qeth_clear_ipacmd_list(card);
1767 qeth_schedule_recovery(card);
1771 cmd = qeth_check_ipa_data(card, iob);
1772 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1774 /*in case of OSN : check if cmd is set */
1775 if (card->info.type == QETH_CARD_TYPE_OSN &&
1777 cmd->hdr.command != IPA_CMD_STARTLAN &&
1778 card->osn_info.assist_cb != NULL) {
1779 card->osn_info.assist_cb(card->dev, cmd);
1783 spin_lock_irqsave(&card->lock, flags);
1784 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1785 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1786 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1787 qeth_get_reply(reply);
1788 list_del_init(&reply->list);
1789 spin_unlock_irqrestore(&card->lock, flags);
1791 if (reply->callback != NULL) {
1793 reply->offset = (__u16)((char*)cmd -
1795 keep_reply = reply->callback(card,
1797 (unsigned long)cmd);
1799 keep_reply = reply->callback(card,
1801 (unsigned long)iob);
1804 reply->rc = (u16) cmd->hdr.return_code;
1806 reply->rc = iob->rc;
1808 spin_lock_irqsave(&card->lock, flags);
1809 list_add_tail(&reply->list,
1810 &card->cmd_waiter_list);
1811 spin_unlock_irqrestore(&card->lock, flags);
1813 reply->received = 1;
1814 wake_up(&reply->wait_q);
1816 qeth_put_reply(reply);
1820 spin_unlock_irqrestore(&card->lock, flags);
1822 memcpy(&card->seqno.pdu_hdr_ack,
1823 QETH_PDU_HEADER_SEQ_NO(iob->data),
1824 QETH_SEQ_NO_LENGTH);
1825 qeth_release_buffer(channel,iob);
1829 qeth_prepare_control_data(struct qeth_card *card, int len,
1830 struct qeth_cmd_buffer *iob)
1832 qeth_setup_ccw(&card->write,iob->data,len);
1833 iob->callback = qeth_release_buffer;
1835 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1836 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1837 card->seqno.trans_hdr++;
1838 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1839 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1840 card->seqno.pdu_hdr++;
1841 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1842 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1843 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1847 qeth_send_control_data(struct qeth_card *card, int len,
1848 struct qeth_cmd_buffer *iob,
1850 (struct qeth_card *, struct qeth_reply*, unsigned long),
1855 unsigned long flags;
1856 struct qeth_reply *reply = NULL;
1857 struct timer_list timer;
1859 QETH_DBF_TEXT(trace, 2, "sendctl");
1861 reply = qeth_alloc_reply(card);
1863 PRINT_WARN("Could no alloc qeth_reply!\n");
1866 reply->callback = reply_cb;
1867 reply->param = reply_param;
1868 if (card->state == CARD_STATE_DOWN)
1869 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1871 reply->seqno = card->seqno.ipa++;
1873 timer.function = qeth_cmd_timeout;
1874 timer.data = (unsigned long) reply;
1875 init_waitqueue_head(&reply->wait_q);
1876 spin_lock_irqsave(&card->lock, flags);
1877 list_add_tail(&reply->list, &card->cmd_waiter_list);
1878 spin_unlock_irqrestore(&card->lock, flags);
1879 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1880 wait_event(card->wait_q,
1881 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1882 qeth_prepare_control_data(card, len, iob);
1883 if (IS_IPA(iob->data))
1884 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1886 timer.expires = jiffies + QETH_TIMEOUT;
1887 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1888 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1889 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1890 (addr_t) iob, 0, 0);
1891 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1893 PRINT_WARN("qeth_send_control_data: "
1894 "ccw_device_start rc = %i\n", rc);
1895 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1896 spin_lock_irqsave(&card->lock, flags);
1897 list_del_init(&reply->list);
1898 qeth_put_reply(reply);
1899 spin_unlock_irqrestore(&card->lock, flags);
1900 qeth_release_buffer(iob->channel, iob);
1901 atomic_set(&card->write.irq_pending, 0);
1902 wake_up(&card->wait_q);
1906 wait_event(reply->wait_q, reply->received);
1907 del_timer_sync(&timer);
1909 qeth_put_reply(reply);
1914 qeth_osn_send_control_data(struct qeth_card *card, int len,
1915 struct qeth_cmd_buffer *iob)
1917 unsigned long flags;
1920 QETH_DBF_TEXT(trace, 5, "osndctrd");
1922 wait_event(card->wait_q,
1923 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1924 qeth_prepare_control_data(card, len, iob);
1925 QETH_DBF_TEXT(trace, 6, "osnoirqp");
1926 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1927 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1928 (addr_t) iob, 0, 0);
1929 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1931 PRINT_WARN("qeth_osn_send_control_data: "
1932 "ccw_device_start rc = %i\n", rc);
1933 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1934 qeth_release_buffer(iob->channel, iob);
1935 atomic_set(&card->write.irq_pending, 0);
1936 wake_up(&card->wait_q);
1942 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1945 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1946 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1947 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1948 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1952 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1957 QETH_DBF_TEXT(trace,4,"osndipa");
1959 qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
1960 s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
1962 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
1963 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
1964 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
1965 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
1966 return qeth_osn_send_control_data(card, s1, iob);
1970 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1972 (struct qeth_card *,struct qeth_reply*, unsigned long),
1978 QETH_DBF_TEXT(trace,4,"sendipa");
1980 if (card->options.layer2)
1981 if (card->info.type == QETH_CARD_TYPE_OSN)
1982 prot_type = QETH_PROT_OSN2;
1984 prot_type = QETH_PROT_LAYER2;
1986 prot_type = QETH_PROT_TCPIP;
1987 qeth_prepare_ipa_cmd(card,iob,prot_type);
1988 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1989 reply_cb, reply_param);
1995 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1998 struct qeth_cmd_buffer *iob;
2000 QETH_DBF_TEXT(setup, 2, "cmenblcb");
2002 iob = (struct qeth_cmd_buffer *) data;
2003 memcpy(&card->token.cm_filter_r,
2004 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2005 QETH_MPC_TOKEN_LENGTH);
2006 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2011 qeth_cm_enable(struct qeth_card *card)
2014 struct qeth_cmd_buffer *iob;
2016 QETH_DBF_TEXT(setup,2,"cmenable");
2018 iob = qeth_wait_for_buffer(&card->write);
2019 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2020 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2021 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2022 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2023 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2025 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2026 qeth_cm_enable_cb, NULL);
2031 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2035 struct qeth_cmd_buffer *iob;
2037 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
2039 iob = (struct qeth_cmd_buffer *) data;
2040 memcpy(&card->token.cm_connection_r,
2041 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2042 QETH_MPC_TOKEN_LENGTH);
2043 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2048 qeth_cm_setup(struct qeth_card *card)
2051 struct qeth_cmd_buffer *iob;
2053 QETH_DBF_TEXT(setup,2,"cmsetup");
2055 iob = qeth_wait_for_buffer(&card->write);
2056 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2057 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2058 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2059 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2060 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2061 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2062 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2063 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2064 qeth_cm_setup_cb, NULL);
2070 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2074 __u16 mtu, framesize;
2077 struct qeth_cmd_buffer *iob;
2079 QETH_DBF_TEXT(setup, 2, "ulpenacb");
2081 iob = (struct qeth_cmd_buffer *) data;
2082 memcpy(&card->token.ulp_filter_r,
2083 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2084 QETH_MPC_TOKEN_LENGTH);
2085 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2086 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2087 mtu = qeth_get_mtu_outof_framesize(framesize);
2090 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2093 card->info.max_mtu = mtu;
2094 card->info.initial_mtu = mtu;
2095 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2097 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2098 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2099 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2102 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2103 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2105 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2106 card->info.link_type = link_type;
2108 card->info.link_type = 0;
2109 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2114 qeth_ulp_enable(struct qeth_card *card)
2118 struct qeth_cmd_buffer *iob;
2120 /*FIXME: trace view callbacks*/
2121 QETH_DBF_TEXT(setup,2,"ulpenabl");
2123 iob = qeth_wait_for_buffer(&card->write);
2124 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2126 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2127 (__u8) card->info.portno;
2128 if (card->options.layer2)
2129 if (card->info.type == QETH_CARD_TYPE_OSN)
2130 prot_type = QETH_PROT_OSN2;
2132 prot_type = QETH_PROT_LAYER2;
2134 prot_type = QETH_PROT_TCPIP;
2136 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2137 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2138 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2139 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2140 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2141 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2142 card->info.portname, 9);
2143 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2144 qeth_ulp_enable_cb, NULL);
2150 __raw_devno_from_bus_id(char *id)
2152 id += (strlen(id) - 4);
2153 return (__u16) simple_strtoul(id, &id, 16);
2157 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2160 struct qeth_cmd_buffer *iob;
2162 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2164 iob = (struct qeth_cmd_buffer *) data;
2165 memcpy(&card->token.ulp_connection_r,
2166 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2167 QETH_MPC_TOKEN_LENGTH);
2168 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2173 qeth_ulp_setup(struct qeth_card *card)
2177 struct qeth_cmd_buffer *iob;
2179 QETH_DBF_TEXT(setup,2,"ulpsetup");
2181 iob = qeth_wait_for_buffer(&card->write);
2182 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2184 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2185 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2186 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2187 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2188 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2189 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2191 temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2192 memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2193 temp = (card->info.cula << 8) + card->info.unit_addr2;
2194 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2195 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2196 qeth_ulp_setup_cb, NULL);
2201 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2202 unsigned int siga_error, const char *dbftext)
2204 if (qdio_error || siga_error) {
2205 QETH_DBF_TEXT(trace, 2, dbftext);
2206 QETH_DBF_TEXT(qerr, 2, dbftext);
2207 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2208 buf->element[15].flags & 0xff);
2209 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2210 buf->element[14].flags & 0xff);
2211 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2212 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2218 static inline struct sk_buff *
2219 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2221 struct sk_buff* skb;
2225 if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2226 add_len = sizeof(struct qeth_hdr);
2227 #ifdef CONFIG_QETH_VLAN
2229 add_len = VLAN_HLEN;
2231 skb = dev_alloc_skb(length + add_len);
2233 skb_reserve(skb, add_len);
2237 static inline struct sk_buff *
2238 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2239 struct qdio_buffer_element **__element, int *__offset,
2240 struct qeth_hdr **hdr)
2242 struct qdio_buffer_element *element = *__element;
2243 int offset = *__offset;
2244 struct sk_buff *skb = NULL;
2249 QETH_DBF_TEXT(trace,6,"nextskb");
2250 /* qeth_hdr must not cross element boundaries */
2251 if (element->length < offset + sizeof(struct qeth_hdr)){
2252 if (qeth_is_last_sbale(element))
2256 if (element->length < sizeof(struct qeth_hdr))
2259 *hdr = element->addr + offset;
2261 offset += sizeof(struct qeth_hdr);
2262 if (card->options.layer2)
2263 if (card->info.type == QETH_CARD_TYPE_OSN)
2264 skb_len = (*hdr)->hdr.osn.pdu_length;
2266 skb_len = (*hdr)->hdr.l2.pkt_length;
2268 skb_len = (*hdr)->hdr.l3.length;
2272 if (card->options.fake_ll){
2273 if(card->dev->type == ARPHRD_IEEE802_TR){
2274 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr)))
2276 skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
2278 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr)))
2280 skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
2282 } else if (!(skb = qeth_get_skb(skb_len, *hdr)))
2284 data_ptr = element->addr + offset;
2286 data_len = min(skb_len, (int)(element->length - offset));
2288 memcpy(skb_put(skb, data_len), data_ptr, data_len);
2289 skb_len -= data_len;
2291 if (qeth_is_last_sbale(element)){
2292 QETH_DBF_TEXT(trace,4,"unexeob");
2293 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2294 QETH_DBF_TEXT(qerr,2,"unexeob");
2295 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2296 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2297 dev_kfree_skb_any(skb);
2298 card->stats.rx_errors++;
2303 data_ptr = element->addr;
2308 *__element = element;
2312 if (net_ratelimit()){
2313 PRINT_WARN("No memory for packet received on %s.\n",
2314 QETH_CARD_IFNAME(card));
2315 QETH_DBF_TEXT(trace,2,"noskbmem");
2316 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2318 card->stats.rx_dropped++;
2322 static inline __be16
2323 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2325 struct qeth_card *card;
2328 QETH_DBF_TEXT(trace,6,"typtrans");
2330 card = (struct qeth_card *)dev->priv;
2332 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2333 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2334 return tr_type_trans(skb,dev);
2335 #endif /* CONFIG_TR */
2336 skb->mac.raw = skb->data;
2337 skb_pull(skb, ETH_HLEN );
2340 if (*eth->h_dest & 1) {
2341 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2342 skb->pkt_type = PACKET_BROADCAST;
2344 skb->pkt_type = PACKET_MULTICAST;
2345 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2346 skb->pkt_type = PACKET_OTHERHOST;
2348 if (ntohs(eth->h_proto) >= 1536)
2349 return eth->h_proto;
2350 if (*(unsigned short *) (skb->data) == 0xFFFF)
2351 return htons(ETH_P_802_3);
2352 return htons(ETH_P_802_2);
2356 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2357 struct qeth_hdr *hdr)
2359 struct trh_hdr *fake_hdr;
2360 struct trllc *fake_llc;
2361 struct iphdr *ip_hdr;
2363 QETH_DBF_TEXT(trace,5,"skbfktr");
2364 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR;
2365 /* this is a fake ethernet header */
2366 fake_hdr = (struct trh_hdr *) skb->mac.raw;
2368 /* the destination MAC address */
2369 switch (skb->pkt_type){
2370 case PACKET_MULTICAST:
2371 switch (skb->protocol){
2372 #ifdef CONFIG_QETH_IPV6
2373 case __constant_htons(ETH_P_IPV6):
2374 ndisc_mc_map((struct in6_addr *)
2375 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2376 fake_hdr->daddr, card->dev, 0);
2378 #endif /* CONFIG_QETH_IPV6 */
2379 case __constant_htons(ETH_P_IP):
2380 ip_hdr = (struct iphdr *)skb->data;
2381 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2384 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2387 case PACKET_BROADCAST:
2388 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2391 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2393 /* the source MAC address */
2394 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2395 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2397 memset(fake_hdr->saddr, 0, TR_ALEN);
2399 fake_llc = (struct trllc*)&(fake_hdr->rcf);
2400 fake_llc->dsap = EXTENDED_SAP;
2401 fake_llc->ssap = EXTENDED_SAP;
2402 fake_llc->llc = UI_CMD;
2403 fake_llc->protid[0] = 0;
2404 fake_llc->protid[1] = 0;
2405 fake_llc->protid[2] = 0;
2406 fake_llc->ethertype = ETH_P_IP;
2410 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2411 struct qeth_hdr *hdr)
2413 struct ethhdr *fake_hdr;
2414 struct iphdr *ip_hdr;
2416 QETH_DBF_TEXT(trace,5,"skbfketh");
2417 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH;
2418 /* this is a fake ethernet header */
2419 fake_hdr = (struct ethhdr *) skb->mac.raw;
2421 /* the destination MAC address */
2422 switch (skb->pkt_type){
2423 case PACKET_MULTICAST:
2424 switch (skb->protocol){
2425 #ifdef CONFIG_QETH_IPV6
2426 case __constant_htons(ETH_P_IPV6):
2427 ndisc_mc_map((struct in6_addr *)
2428 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2429 fake_hdr->h_dest, card->dev, 0);
2431 #endif /* CONFIG_QETH_IPV6 */
2432 case __constant_htons(ETH_P_IP):
2433 ip_hdr = (struct iphdr *)skb->data;
2434 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2437 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2440 case PACKET_BROADCAST:
2441 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2444 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2446 /* the source MAC address */
2447 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2448 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2450 memset(fake_hdr->h_source, 0, ETH_ALEN);
2452 fake_hdr->h_proto = skb->protocol;
2456 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2457 struct qeth_hdr *hdr)
2459 if (card->dev->type == ARPHRD_IEEE802_TR)
2460 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2462 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2466 qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb,
2467 struct qeth_hdr *hdr)
2469 #ifdef CONFIG_QETH_VLAN
2472 if (hdr->hdr.l3.ext_flags &
2473 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2474 vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
2475 *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2476 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2477 *(vlan_tag + 1) = skb->protocol;
2478 skb->protocol = __constant_htons(ETH_P_8021Q);
2480 #endif /* CONFIG_QETH_VLAN */
2484 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2485 struct qeth_hdr *hdr)
2487 unsigned short vlan_id = 0;
2488 #ifdef CONFIG_QETH_VLAN
2489 struct vlan_hdr *vhdr;
2492 skb->pkt_type = PACKET_HOST;
2493 skb->protocol = qeth_type_trans(skb, skb->dev);
2494 if (card->options.checksum_type == NO_CHECKSUMMING)
2495 skb->ip_summed = CHECKSUM_UNNECESSARY;
2497 skb->ip_summed = CHECKSUM_NONE;
2498 #ifdef CONFIG_QETH_VLAN
2499 if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) {
2500 vhdr = (struct vlan_hdr *) skb->data;
2502 __constant_htons(vhdr->h_vlan_encapsulated_proto);
2503 vlan_id = hdr->hdr.l2.vlan_id;
2504 skb_pull(skb, VLAN_HLEN);
2507 *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2512 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2513 struct qeth_hdr *hdr)
2515 #ifdef CONFIG_QETH_IPV6
2516 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2517 skb->pkt_type = PACKET_HOST;
2518 skb->protocol = qeth_type_trans(skb, card->dev);
2521 #endif /* CONFIG_QETH_IPV6 */
2522 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2524 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2525 case QETH_CAST_UNICAST:
2526 skb->pkt_type = PACKET_HOST;
2528 case QETH_CAST_MULTICAST:
2529 skb->pkt_type = PACKET_MULTICAST;
2530 card->stats.multicast++;
2532 case QETH_CAST_BROADCAST:
2533 skb->pkt_type = PACKET_BROADCAST;
2534 card->stats.multicast++;
2536 case QETH_CAST_ANYCAST:
2537 case QETH_CAST_NOCAST:
2539 skb->pkt_type = PACKET_HOST;
2541 qeth_rebuild_skb_vlan(card, skb, hdr);
2542 if (card->options.fake_ll)
2543 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2545 skb->mac.raw = skb->data;
2546 skb->ip_summed = card->options.checksum_type;
2547 if (card->options.checksum_type == HW_CHECKSUMMING){
2548 if ( (hdr->hdr.l3.ext_flags &
2549 (QETH_HDR_EXT_CSUM_HDR_REQ |
2550 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2551 (QETH_HDR_EXT_CSUM_HDR_REQ |
2552 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2553 skb->ip_summed = CHECKSUM_UNNECESSARY;
2555 skb->ip_summed = SW_CHECKSUMMING;
2560 qeth_process_inbound_buffer(struct qeth_card *card,
2561 struct qeth_qdio_buffer *buf, int index)
2563 struct qdio_buffer_element *element;
2564 struct sk_buff *skb;
2565 struct qeth_hdr *hdr;
2570 /* get first element of current buffer */
2571 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2573 #ifdef CONFIG_QETH_PERF_STATS
2574 card->perf_stats.bufs_rec++;
2576 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2578 skb->dev = card->dev;
2579 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2580 vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
2581 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2582 qeth_rebuild_skb(card, skb, hdr);
2583 else { /*in case of OSN*/
2584 skb_push(skb, sizeof(struct qeth_hdr));
2585 memcpy(skb->data, hdr, sizeof(struct qeth_hdr));
2587 /* is device UP ? */
2588 if (!(card->dev->flags & IFF_UP)){
2589 dev_kfree_skb_any(skb);
2592 #ifdef CONFIG_QETH_VLAN
2594 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2597 if (card->info.type == QETH_CARD_TYPE_OSN)
2598 rxrc = card->osn_info.data_cb(skb);
2600 rxrc = netif_rx(skb);
2601 card->dev->last_rx = jiffies;
2602 card->stats.rx_packets++;
2603 card->stats.rx_bytes += skb->len;
2607 static inline struct qeth_buffer_pool_entry *
2608 qeth_get_buffer_pool_entry(struct qeth_card *card)
2610 struct qeth_buffer_pool_entry *entry;
2612 QETH_DBF_TEXT(trace, 6, "gtbfplen");
2613 if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2614 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2615 struct qeth_buffer_pool_entry, list);
2616 list_del_init(&entry->list);
2623 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2625 struct qeth_buffer_pool_entry *pool_entry;
2628 pool_entry = qeth_get_buffer_pool_entry(card);
2630 * since the buffer is accessed only from the input_tasklet
2631 * there shouldn't be a need to synchronize; also, since we use
2632 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2635 BUG_ON(!pool_entry);
2637 buf->pool_entry = pool_entry;
2638 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2639 buf->buffer->element[i].length = PAGE_SIZE;
2640 buf->buffer->element[i].addr = pool_entry->elements[i];
2641 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2642 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2644 buf->buffer->element[i].flags = 0;
2646 buf->state = QETH_QDIO_BUF_EMPTY;
2650 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2651 struct qeth_qdio_out_buffer *buf)
2654 struct sk_buff *skb;
2656 /* is PCI flag set on buffer? */
2657 if (buf->buffer->element[0].flags & 0x40)
2658 atomic_dec(&queue->set_pci_flags_count);
2660 while ((skb = skb_dequeue(&buf->skb_list))){
2661 atomic_dec(&skb->users);
2662 dev_kfree_skb_any(skb);
2664 qeth_eddp_buf_release_contexts(buf);
2665 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2666 buf->buffer->element[i].length = 0;
2667 buf->buffer->element[i].addr = NULL;
2668 buf->buffer->element[i].flags = 0;
2670 buf->next_element_to_fill = 0;
2671 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2675 qeth_queue_input_buffer(struct qeth_card *card, int index)
2677 struct qeth_qdio_q *queue = card->qdio.in_q;
2682 QETH_DBF_TEXT(trace,6,"queinbuf");
2683 count = (index < queue->next_buf_to_init)?
2684 card->qdio.in_buf_pool.buf_count -
2685 (queue->next_buf_to_init - index) :
2686 card->qdio.in_buf_pool.buf_count -
2687 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2688 /* only requeue at a certain threshold to avoid SIGAs */
2689 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2690 for (i = queue->next_buf_to_init;
2691 i < queue->next_buf_to_init + count; ++i)
2692 qeth_init_input_buffer(card,
2693 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2695 * according to old code it should be avoided to requeue all
2696 * 128 buffers in order to benefit from PCI avoidance.
2697 * this function keeps at least one buffer (the buffer at
2698 * 'index') un-requeued -> this buffer is the first buffer that
2699 * will be requeued the next time
2701 #ifdef CONFIG_QETH_PERF_STATS
2702 card->perf_stats.inbound_do_qdio_cnt++;
2703 card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros();
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 #ifdef CONFIG_QETH_PERF_STATS
2709 card->perf_stats.inbound_do_qdio_time += qeth_get_micros() -
2710 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 #ifdef CONFIG_QETH_PERF_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 #ifdef CONFIG_QETH_PERF_STATS
2773 card->perf_stats.inbound_time += qeth_get_micros() -
2774 card->perf_stats.inbound_start_time;
2779 qeth_handle_send_error(struct qeth_card *card,
2780 struct qeth_qdio_out_buffer *buffer,
2781 unsigned int qdio_err, unsigned int siga_err)
2783 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2784 int cc = siga_err & 3;
2786 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2787 qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2791 QETH_DBF_TEXT(trace, 1,"lnkfail");
2792 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2793 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2794 (u16)qdio_err, (u8)sbalf15);
2795 return QETH_SEND_ERROR_LINK_FAILURE;
2797 return QETH_SEND_ERROR_NONE;
2799 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2800 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2801 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2802 return QETH_SEND_ERROR_KICK_IT;
2804 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2805 return QETH_SEND_ERROR_RETRY;
2806 return QETH_SEND_ERROR_LINK_FAILURE;
2807 /* look at qdio_error and sbalf 15 */
2809 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2810 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2811 return QETH_SEND_ERROR_LINK_FAILURE;
2814 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2815 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2816 return QETH_SEND_ERROR_KICK_IT;
2821 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2822 int index, int count)
2824 struct qeth_qdio_out_buffer *buf;
2828 QETH_DBF_TEXT(trace, 6, "flushbuf");
2830 for (i = index; i < index + count; ++i) {
2831 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2832 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2833 SBAL_FLAGS_LAST_ENTRY;
2835 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2838 if (!queue->do_pack){
2839 if ((atomic_read(&queue->used_buffers) >=
2840 (QETH_HIGH_WATERMARK_PACK -
2841 QETH_WATERMARK_PACK_FUZZ)) &&
2842 !atomic_read(&queue->set_pci_flags_count)){
2843 /* it's likely that we'll go to packing
2845 atomic_inc(&queue->set_pci_flags_count);
2846 buf->buffer->element[0].flags |= 0x40;
2849 if (!atomic_read(&queue->set_pci_flags_count)){
2851 * there's no outstanding PCI any more, so we
2852 * have to request a PCI to be sure the the PCI
2853 * will wake at some time in the future then we
2854 * can flush packed buffers that might still be
2855 * hanging around, which can happen if no
2856 * further send was requested by the stack
2858 atomic_inc(&queue->set_pci_flags_count);
2859 buf->buffer->element[0].flags |= 0x40;
2864 queue->card->dev->trans_start = jiffies;
2865 #ifdef CONFIG_QETH_PERF_STATS
2866 queue->card->perf_stats.outbound_do_qdio_cnt++;
2867 queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros();
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 #ifdef CONFIG_QETH_PERF_STATS
2877 queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() -
2878 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 #ifdef CONFIG_QETH_PERF_STATS
2892 queue->card->perf_stats.bufs_sent += count;
2897 * Switched to packing state if the number of used buffers on a queue
2898 * reaches a certain limit.
2901 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2903 if (!queue->do_pack) {
2904 if (atomic_read(&queue->used_buffers)
2905 >= QETH_HIGH_WATERMARK_PACK){
2906 /* switch non-PACKING -> PACKING */
2907 QETH_DBF_TEXT(trace, 6, "np->pack");
2908 #ifdef CONFIG_QETH_PERF_STATS
2909 queue->card->perf_stats.sc_dp_p++;
2917 * Switches from packing to non-packing mode. If there is a packing
2918 * buffer on the queue this buffer will be prepared to be flushed.
2919 * In that case 1 is returned to inform the caller. If no buffer
2920 * has to be flushed, zero is returned.
2923 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2925 struct qeth_qdio_out_buffer *buffer;
2926 int flush_count = 0;
2928 if (queue->do_pack) {
2929 if (atomic_read(&queue->used_buffers)
2930 <= QETH_LOW_WATERMARK_PACK) {
2931 /* switch PACKING -> non-PACKING */
2932 QETH_DBF_TEXT(trace, 6, "pack->np");
2933 #ifdef CONFIG_QETH_PERF_STATS
2934 queue->card->perf_stats.sc_p_dp++;
2937 /* flush packing buffers */
2938 buffer = &queue->bufs[queue->next_buf_to_fill];
2939 if ((atomic_read(&buffer->state) ==
2940 QETH_QDIO_BUF_EMPTY) &&
2941 (buffer->next_element_to_fill > 0)) {
2942 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2944 queue->next_buf_to_fill =
2945 (queue->next_buf_to_fill + 1) %
2946 QDIO_MAX_BUFFERS_PER_Q;
2954 * Called to flush a packing buffer if no more pci flags are on the queue.
2955 * Checks if there is a packing buffer and prepares it to be flushed.
2956 * In that case returns 1, otherwise zero.
2959 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2961 struct qeth_qdio_out_buffer *buffer;
2963 buffer = &queue->bufs[queue->next_buf_to_fill];
2964 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2965 (buffer->next_element_to_fill > 0)){
2966 /* it's a packing buffer */
2967 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2968 queue->next_buf_to_fill =
2969 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2976 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2980 int q_was_packing = 0;
2983 * check if weed have to switch to non-packing mode or if
2984 * we have to get a pci flag out on the queue
2986 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2987 !atomic_read(&queue->set_pci_flags_count)){
2988 if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2989 QETH_OUT_Q_UNLOCKED) {
2991 * If we get in here, there was no action in
2992 * do_send_packet. So, we check if there is a
2993 * packing buffer to be flushed here.
2995 netif_stop_queue(queue->card->dev);
2996 index = queue->next_buf_to_fill;
2997 q_was_packing = queue->do_pack;
2998 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3000 !atomic_read(&queue->set_pci_flags_count))
3002 qeth_flush_buffers_on_no_pci(queue);
3003 #ifdef CONFIG_QETH_PERF_STATS
3005 queue->card->perf_stats.bufs_sent_pack +=
3009 qeth_flush_buffers(queue, 1, index, flush_cnt);
3010 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3016 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
3017 unsigned int qdio_error, unsigned int siga_error,
3018 unsigned int __queue, int first_element, int count,
3019 unsigned long card_ptr)
3021 struct qeth_card *card = (struct qeth_card *) card_ptr;
3022 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3023 struct qeth_qdio_out_buffer *buffer;
3026 QETH_DBF_TEXT(trace, 6, "qdouhdl");
3027 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
3028 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
3029 QETH_DBF_TEXT(trace, 2, "achkcond");
3030 QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
3031 QETH_DBF_TEXT_(trace, 2, "%08x", status);
3032 netif_stop_queue(card->dev);
3033 qeth_schedule_recovery(card);
3037 #ifdef CONFIG_QETH_PERF_STATS
3038 card->perf_stats.outbound_handler_cnt++;
3039 card->perf_stats.outbound_handler_start_time = qeth_get_micros();
3041 for(i = first_element; i < (first_element + count); ++i){
3042 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
3043 /*we only handle the KICK_IT error by doing a recovery */
3044 if (qeth_handle_send_error(card, buffer,
3045 qdio_error, siga_error)
3046 == QETH_SEND_ERROR_KICK_IT){
3047 netif_stop_queue(card->dev);
3048 qeth_schedule_recovery(card);
3051 qeth_clear_output_buffer(queue, buffer);
3053 atomic_sub(count, &queue->used_buffers);
3054 /* check if we need to do something on this outbound queue */
3055 if (card->info.type != QETH_CARD_TYPE_IQD)
3056 qeth_check_outbound_queue(queue);
3058 netif_wake_queue(queue->card->dev);
3059 #ifdef CONFIG_QETH_PERF_STATS
3060 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3061 card->perf_stats.outbound_handler_start_time;
3066 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
3069 param_field[0] = _ascebc['P'];
3070 param_field[1] = _ascebc['C'];
3071 param_field[2] = _ascebc['I'];
3072 param_field[3] = _ascebc['T'];
3073 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
3074 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
3075 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
3079 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3081 param_field[16] = _ascebc['B'];
3082 param_field[17] = _ascebc['L'];
3083 param_field[18] = _ascebc['K'];
3084 param_field[19] = _ascebc['T'];
3085 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
3086 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
3087 *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo;
3091 qeth_initialize_working_pool_list(struct qeth_card *card)
3093 struct qeth_buffer_pool_entry *entry;
3095 QETH_DBF_TEXT(trace,5,"inwrklst");
3097 list_for_each_entry(entry,
3098 &card->qdio.init_pool.entry_list, init_list) {
3099 qeth_put_buffer_pool_entry(card,entry);
3104 qeth_clear_working_pool_list(struct qeth_card *card)
3106 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3108 QETH_DBF_TEXT(trace,5,"clwrklst");
3109 list_for_each_entry_safe(pool_entry, tmp,
3110 &card->qdio.in_buf_pool.entry_list, list){
3111 list_del(&pool_entry->list);
3116 qeth_free_buffer_pool(struct qeth_card *card)
3118 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3120 QETH_DBF_TEXT(trace,5,"freepool");
3121 list_for_each_entry_safe(pool_entry, tmp,
3122 &card->qdio.init_pool.entry_list, init_list){
3123 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3124 free_page((unsigned long)pool_entry->elements[i]);
3125 list_del(&pool_entry->init_list);
3131 qeth_alloc_buffer_pool(struct qeth_card *card)
3133 struct qeth_buffer_pool_entry *pool_entry;
3137 QETH_DBF_TEXT(trace,5,"alocpool");
3138 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3139 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3141 qeth_free_buffer_pool(card);
3144 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3145 ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3148 free_page((unsigned long)
3149 pool_entry->elements[--j]);
3151 qeth_free_buffer_pool(card);
3154 pool_entry->elements[j] = ptr;
3156 list_add(&pool_entry->init_list,
3157 &card->qdio.init_pool.entry_list);
3163 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3165 QETH_DBF_TEXT(trace, 2, "realcbp");
3167 if ((card->state != CARD_STATE_DOWN) &&
3168 (card->state != CARD_STATE_RECOVER))
3171 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3172 qeth_clear_working_pool_list(card);
3173 qeth_free_buffer_pool(card);
3174 card->qdio.in_buf_pool.buf_count = bufcnt;
3175 card->qdio.init_pool.buf_count = bufcnt;
3176 return qeth_alloc_buffer_pool(card);
3180 qeth_alloc_qdio_buffers(struct qeth_card *card)
3184 QETH_DBF_TEXT(setup, 2, "allcqdbf");
3186 if (card->qdio.state == QETH_QDIO_ALLOCATED)
3189 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3190 GFP_KERNEL|GFP_DMA);
3191 if (!card->qdio.in_q)
3193 QETH_DBF_TEXT(setup, 2, "inq");
3194 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3195 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3196 /* give inbound qeth_qdio_buffers their qdio_buffers */
3197 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3198 card->qdio.in_q->bufs[i].buffer =
3199 &card->qdio.in_q->qdio_bufs[i];
3200 /* inbound buffer pool */
3201 if (qeth_alloc_buffer_pool(card)){
3202 kfree(card->qdio.in_q);
3207 kmalloc(card->qdio.no_out_queues *
3208 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3209 if (!card->qdio.out_qs){
3210 qeth_free_buffer_pool(card);
3213 for (i = 0; i < card->qdio.no_out_queues; ++i){
3214 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3215 GFP_KERNEL|GFP_DMA);
3216 if (!card->qdio.out_qs[i]){
3218 kfree(card->qdio.out_qs[--i]);
3219 kfree(card->qdio.out_qs);
3222 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3223 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3224 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3225 card->qdio.out_qs[i]->queue_no = i;
3226 /* give outbound qeth_qdio_buffers their qdio_buffers */
3227 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3228 card->qdio.out_qs[i]->bufs[j].buffer =
3229 &card->qdio.out_qs[i]->qdio_bufs[j];
3230 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3232 INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3235 card->qdio.state = QETH_QDIO_ALLOCATED;
3240 qeth_free_qdio_buffers(struct qeth_card *card)
3244 QETH_DBF_TEXT(trace, 2, "freeqdbf");
3245 if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
3247 kfree(card->qdio.in_q);
3248 /* inbound buffer pool */
3249 qeth_free_buffer_pool(card);
3250 /* free outbound qdio_qs */
3251 for (i = 0; i < card->qdio.no_out_queues; ++i){
3252 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3253 qeth_clear_output_buffer(card->qdio.out_qs[i],
3254 &card->qdio.out_qs[i]->bufs[j]);
3255 kfree(card->qdio.out_qs[i]);
3257 kfree(card->qdio.out_qs);
3258 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3262 qeth_clear_qdio_buffers(struct qeth_card *card)
3266 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3267 /* clear outbound buffers to free skbs */
3268 for (i = 0; i < card->qdio.no_out_queues; ++i)
3269 if (card->qdio.out_qs[i]){
3270 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3271 qeth_clear_output_buffer(card->qdio.out_qs[i],
3272 &card->qdio.out_qs[i]->bufs[j]);
3277 qeth_init_qdio_info(struct qeth_card *card)
3279 QETH_DBF_TEXT(setup, 4, "intqdinf");
3280 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3282 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3283 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3284 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3285 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3286 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3290 qeth_init_qdio_queues(struct qeth_card *card)
3295 QETH_DBF_TEXT(setup, 2, "initqdqs");
3298 memset(card->qdio.in_q->qdio_bufs, 0,
3299 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3300 qeth_initialize_working_pool_list(card);
3301 /*give only as many buffers to hardware as we have buffer pool entries*/
3302 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3303 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3304 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3305 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3306 card->qdio.in_buf_pool.buf_count - 1, NULL);
3308 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3311 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3313 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3316 /* outbound queue */
3317 for (i = 0; i < card->qdio.no_out_queues; ++i){
3318 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3319 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3320 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3321 qeth_clear_output_buffer(card->qdio.out_qs[i],
3322 &card->qdio.out_qs[i]->bufs[j]);
3324 card->qdio.out_qs[i]->card = card;
3325 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3326 card->qdio.out_qs[i]->do_pack = 0;
3327 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3328 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3329 atomic_set(&card->qdio.out_qs[i]->state,
3330 QETH_OUT_Q_UNLOCKED);
3336 qeth_qdio_establish(struct qeth_card *card)
3338 struct qdio_initialize init_data;
3339 char *qib_param_field;
3340 struct qdio_buffer **in_sbal_ptrs;
3341 struct qdio_buffer **out_sbal_ptrs;
3345 QETH_DBF_TEXT(setup, 2, "qdioest");
3347 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3349 if (!qib_param_field)
3352 qeth_create_qib_param_field(card, qib_param_field);
3353 qeth_create_qib_param_field_blkt(card, qib_param_field);
3355 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3357 if (!in_sbal_ptrs) {
3358 kfree(qib_param_field);
3361 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3362 in_sbal_ptrs[i] = (struct qdio_buffer *)
3363 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3366 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3367 sizeof(void *), GFP_KERNEL);
3368 if (!out_sbal_ptrs) {
3369 kfree(in_sbal_ptrs);
3370 kfree(qib_param_field);
3373 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3374 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3375 out_sbal_ptrs[k] = (struct qdio_buffer *)
3376 virt_to_phys(card->qdio.out_qs[i]->
3380 memset(&init_data, 0, sizeof(struct qdio_initialize));
3381 init_data.cdev = CARD_DDEV(card);
3382 init_data.q_format = qeth_get_qdio_q_format(card);
3383 init_data.qib_param_field_format = 0;
3384 init_data.qib_param_field = qib_param_field;
3385 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3386 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3387 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3388 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3389 init_data.no_input_qs = 1;
3390 init_data.no_output_qs = card->qdio.no_out_queues;
3391 init_data.input_handler = (qdio_handler_t *)
3392 qeth_qdio_input_handler;
3393 init_data.output_handler = (qdio_handler_t *)
3394 qeth_qdio_output_handler;
3395 init_data.int_parm = (unsigned long) card;
3396 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3397 QDIO_OUTBOUND_0COPY_SBALS |
3398 QDIO_USE_OUTBOUND_PCIS;
3399 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3400 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3402 if (!(rc = qdio_initialize(&init_data)))
3403 card->qdio.state = QETH_QDIO_ESTABLISHED;
3405 kfree(out_sbal_ptrs);
3406 kfree(in_sbal_ptrs);
3407 kfree(qib_param_field);
3412 qeth_qdio_activate(struct qeth_card *card)
3414 QETH_DBF_TEXT(setup,3,"qdioact");
3415 return qdio_activate(CARD_DDEV(card), 0);
3419 qeth_clear_channel(struct qeth_channel *channel)
3421 unsigned long flags;
3422 struct qeth_card *card;
3425 QETH_DBF_TEXT(trace,3,"clearch");
3426 card = CARD_FROM_CDEV(channel->ccwdev);
3427 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3428 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3429 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3433 rc = wait_event_interruptible_timeout(card->wait_q,
3434 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3435 if (rc == -ERESTARTSYS)
3437 if (channel->state != CH_STATE_STOPPED)
3439 channel->state = CH_STATE_DOWN;
3444 qeth_halt_channel(struct qeth_channel *channel)
3446 unsigned long flags;
3447 struct qeth_card *card;
3450 QETH_DBF_TEXT(trace,3,"haltch");
3451 card = CARD_FROM_CDEV(channel->ccwdev);
3452 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3453 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3454 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3458 rc = wait_event_interruptible_timeout(card->wait_q,
3459 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3460 if (rc == -ERESTARTSYS)
3462 if (channel->state != CH_STATE_HALTED)
3468 qeth_halt_channels(struct qeth_card *card)
3470 int rc1 = 0, rc2=0, rc3 = 0;
3472 QETH_DBF_TEXT(trace,3,"haltchs");
3473 rc1 = qeth_halt_channel(&card->read);
3474 rc2 = qeth_halt_channel(&card->write);
3475 rc3 = qeth_halt_channel(&card->data);
3483 qeth_clear_channels(struct qeth_card *card)
3485 int rc1 = 0, rc2=0, rc3 = 0;
3487 QETH_DBF_TEXT(trace,3,"clearchs");
3488 rc1 = qeth_clear_channel(&card->read);
3489 rc2 = qeth_clear_channel(&card->write);
3490 rc3 = qeth_clear_channel(&card->data);
3499 qeth_clear_halt_card(struct qeth_card *card, int halt)
3503 QETH_DBF_TEXT(trace,3,"clhacrd");
3504 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3507 rc = qeth_halt_channels(card);
3510 return qeth_clear_channels(card);
3514 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3518 QETH_DBF_TEXT(trace,3,"qdioclr");
3519 if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3520 if ((rc = qdio_cleanup(CARD_DDEV(card),
3521 (card->info.type == QETH_CARD_TYPE_IQD) ?
3522 QDIO_FLAG_CLEANUP_USING_HALT :
3523 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3524 QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3525 card->qdio.state = QETH_QDIO_ALLOCATED;
3527 if ((rc = qeth_clear_halt_card(card, use_halt)))
3528 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3529 card->state = CARD_STATE_DOWN;
3534 qeth_dm_act(struct qeth_card *card)
3537 struct qeth_cmd_buffer *iob;
3539 QETH_DBF_TEXT(setup,2,"dmact");
3541 iob = qeth_wait_for_buffer(&card->write);
3542 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3544 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3545 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3546 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3547 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3548 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3553 qeth_mpc_initialize(struct qeth_card *card)
3557 QETH_DBF_TEXT(setup,2,"mpcinit");
3559 if ((rc = qeth_issue_next_read(card))){
3560 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3563 if ((rc = qeth_cm_enable(card))){
3564 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3567 if ((rc = qeth_cm_setup(card))){
3568 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3571 if ((rc = qeth_ulp_enable(card))){
3572 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3575 if ((rc = qeth_ulp_setup(card))){
3576 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3579 if ((rc = qeth_alloc_qdio_buffers(card))){
3580 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3583 if ((rc = qeth_qdio_establish(card))){
3584 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3585 qeth_free_qdio_buffers(card);
3588 if ((rc = qeth_qdio_activate(card))){
3589 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3592 if ((rc = qeth_dm_act(card))){
3593 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3599 qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3603 static struct net_device *
3604 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3606 struct net_device *dev = NULL;
3609 case QETH_CARD_TYPE_OSAE:
3611 case QETH_LINK_TYPE_LANE_TR:
3612 case QETH_LINK_TYPE_HSTR:
3614 dev = alloc_trdev(0);
3615 #endif /* CONFIG_TR */
3618 dev = alloc_etherdev(0);
3621 case QETH_CARD_TYPE_IQD:
3622 dev = alloc_netdev(0, "hsi%d", ether_setup);
3624 case QETH_CARD_TYPE_OSN:
3625 dev = alloc_netdev(0, "osn%d", ether_setup);
3628 dev = alloc_etherdev(0);
3633 /*hard_header fake function; used in case fake_ll is set */
3635 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3636 unsigned short type, void *daddr, void *saddr,
3639 if(dev->type == ARPHRD_IEEE802_TR){
3640 struct trh_hdr *hdr;
3641 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3642 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3643 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3644 return QETH_FAKE_LL_LEN_TR;
3648 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3649 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3650 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3651 if (type != ETH_P_802_3)
3652 hdr->h_proto = htons(type);
3654 hdr->h_proto = htons(len);
3655 return QETH_FAKE_LL_LEN_ETH;
3661 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3664 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3667 struct qeth_card *card;
3669 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3670 card = (struct qeth_card *)dev->priv;
3672 card->stats.tx_dropped++;
3673 card->stats.tx_errors++;
3674 /* return OK; otherwise ksoftirqd goes to 100% */
3675 return NETDEV_TX_OK;
3677 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3678 card->stats.tx_dropped++;
3679 card->stats.tx_errors++;
3680 card->stats.tx_carrier_errors++;
3681 dev_kfree_skb_any(skb);
3682 /* return OK; otherwise ksoftirqd goes to 100% */
3683 return NETDEV_TX_OK;
3685 #ifdef CONFIG_QETH_PERF_STATS
3686 card->perf_stats.outbound_cnt++;
3687 card->perf_stats.outbound_start_time = qeth_get_micros();
3689 netif_stop_queue(dev);
3690 if ((rc = qeth_send_packet(card, skb))) {
3692 return NETDEV_TX_BUSY;
3694 card->stats.tx_errors++;
3695 card->stats.tx_dropped++;
3696 dev_kfree_skb_any(skb);
3697 /*set to OK; otherwise ksoftirqd goes to 100% */
3701 netif_wake_queue(dev);
3702 #ifdef CONFIG_QETH_PERF_STATS
3703 card->perf_stats.outbound_time += qeth_get_micros() -
3704 card->perf_stats.outbound_start_time;
3710 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3713 #ifdef CONFIG_QETH_VLAN
3714 struct vlan_group *vg;
3717 if (!(vg = card->vlangrp))
3720 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3721 if (vg->vlan_devices[i] == dev){
3722 rc = QETH_VLAN_CARD;
3726 if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3734 qeth_verify_dev(struct net_device *dev)
3736 struct qeth_card *card;
3737 unsigned long flags;
3740 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3741 list_for_each_entry(card, &qeth_card_list.list, list){
3742 if (card->dev == dev){
3743 rc = QETH_REAL_CARD;
3746 rc = qeth_verify_vlan_dev(dev, card);
3750 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3755 static struct qeth_card *
3756 qeth_get_card_from_dev(struct net_device *dev)
3758 struct qeth_card *card = NULL;
3761 rc = qeth_verify_dev(dev);
3762 if (rc == QETH_REAL_CARD)
3763 card = (struct qeth_card *)dev->priv;
3764 else if (rc == QETH_VLAN_CARD)
3765 card = (struct qeth_card *)
3766 VLAN_DEV_INFO(dev)->real_dev->priv;
3768 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3773 qeth_tx_timeout(struct net_device *dev)
3775 struct qeth_card *card;
3777 card = (struct qeth_card *) dev->priv;
3778 card->stats.tx_errors++;
3779 qeth_schedule_recovery(card);
3783 qeth_open(struct net_device *dev)
3785 struct qeth_card *card;
3787 QETH_DBF_TEXT(trace, 4, "qethopen");
3789 card = (struct qeth_card *) dev->priv;
3791 if (card->state != CARD_STATE_SOFTSETUP)
3794 if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3795 (card->options.layer2) &&
3796 (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3797 QETH_DBF_TEXT(trace,4,"nomacadr");
3800 card->data.state = CH_STATE_UP;
3801 card->state = CARD_STATE_UP;
3802 card->dev->flags |= IFF_UP;
3803 netif_start_queue(dev);
3805 if (!card->lan_online && netif_carrier_ok(dev))
3806 netif_carrier_off(dev);
3811 qeth_stop(struct net_device *dev)
3813 struct qeth_card *card;
3815 QETH_DBF_TEXT(trace, 4, "qethstop");
3817 card = (struct qeth_card *) dev->priv;
3819 netif_tx_disable(dev);
3820 card->dev->flags &= ~IFF_UP;
3821 if (card->state == CARD_STATE_UP)
3822 card->state = CARD_STATE_SOFTSETUP;
3827 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3829 int cast_type = RTN_UNSPEC;
3831 if (card->info.type == QETH_CARD_TYPE_OSN)
3834 if (skb->dst && skb->dst->neighbour){
3835 cast_type = skb->dst->neighbour->type;
3836 if ((cast_type == RTN_BROADCAST) ||
3837 (cast_type == RTN_MULTICAST) ||
3838 (cast_type == RTN_ANYCAST))
3843 /* try something else */
3844 if (skb->protocol == ETH_P_IPV6)
3845 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3846 else if (skb->protocol == ETH_P_IP)
3847 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3849 if (!memcmp(skb->data, skb->dev->broadcast, 6))
3850 return RTN_BROADCAST;
3854 hdr_mac = *((u16 *)skb->data);
3856 switch (card->info.link_type) {
3857 case QETH_LINK_TYPE_HSTR:
3858 case QETH_LINK_TYPE_LANE_TR:
3859 if ((hdr_mac == QETH_TR_MAC_NC) ||
3860 (hdr_mac == QETH_TR_MAC_C))
3861 return RTN_MULTICAST;
3863 /* eth or so multicast? */
3865 if ((hdr_mac == QETH_ETH_MAC_V4) ||
3866 (hdr_mac == QETH_ETH_MAC_V6))
3867 return RTN_MULTICAST;
3874 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3875 int ipv, int cast_type)
3877 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3878 return card->qdio.default_out_queue;
3879 switch (card->qdio.no_out_queues) {
3881 if (cast_type && card->info.is_multicast_different)
3882 return card->info.is_multicast_different &
3883 (card->qdio.no_out_queues - 1);
3884 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3885 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3886 if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT)
3888 if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY)
3890 if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT)
3892 if (skb->nh.iph->tos & IP_TOS_LOWDELAY)
3895 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3896 return 3 - (skb->nh.iph->tos >> 6);
3897 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3900 return card->qdio.default_out_queue;
3901 case 1: /* fallthrough for single-out-queue 1920-device */
3903 return card->qdio.default_out_queue;
3908 qeth_get_ip_version(struct sk_buff *skb)
3910 switch (skb->protocol) {
3921 qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
3922 struct qeth_hdr **hdr, int ipv)
3925 #ifdef CONFIG_QETH_VLAN
3929 QETH_DBF_TEXT(trace, 6, "prepskb");
3930 if (card->info.type == QETH_CARD_TYPE_OSN) {
3931 *hdr = (struct qeth_hdr *)(*skb)->data;
3934 rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr));
3937 #ifdef CONFIG_QETH_VLAN
3938 if (card->vlangrp && vlan_tx_tag_present(*skb) &&
3939 ((ipv == 6) || card->options.layer2) ) {
3941 * Move the mac addresses (6 bytes src, 6 bytes dest)
3942 * to the beginning of the new header. We are using three
3943 * memcpys instead of one memmove to save cycles.
3945 skb_push(*skb, VLAN_HLEN);
3946 memcpy((*skb)->data, (*skb)->data + 4, 4);
3947 memcpy((*skb)->data + 4, (*skb)->data + 8, 4);
3948 memcpy((*skb)->data + 8, (*skb)->data + 12, 4);
3949 tag = (u16 *)((*skb)->data + 12);
3951 * first two bytes = ETH_P_8021Q (0x8100)
3952 * second two bytes = VLANID
3954 *tag = __constant_htons(ETH_P_8021Q);
3955 *(tag + 1) = htons(vlan_tx_tag_get(*skb));
3958 *hdr = (struct qeth_hdr *)
3959 qeth_push_skb(card, skb, sizeof(struct qeth_hdr));
3966 qeth_get_qeth_hdr_flags4(int cast_type)
3968 if (cast_type == RTN_MULTICAST)
3969 return QETH_CAST_MULTICAST;
3970 if (cast_type == RTN_BROADCAST)
3971 return QETH_CAST_BROADCAST;
3972 return QETH_CAST_UNICAST;
3976 qeth_get_qeth_hdr_flags6(int cast_type)
3978 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3979 if (cast_type == RTN_MULTICAST)
3980 return ct | QETH_CAST_MULTICAST;
3981 if (cast_type == RTN_ANYCAST)
3982 return ct | QETH_CAST_ANYCAST;
3983 if (cast_type == RTN_BROADCAST)
3984 return ct | QETH_CAST_BROADCAST;
3985 return ct | QETH_CAST_UNICAST;
3989 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
3990 struct sk_buff *skb)
3994 if (!memcmp(skb->data+QETH_HEADER_SIZE,
3995 skb->dev->broadcast,6)) { /* broadcast? */
3996 *(__u32 *)hdr->hdr.l2.flags |=
3997 QETH_LAYER2_FLAG_BROADCAST << 8;
4000 hdr_mac=*((__u16*)skb->data);
4002 switch (card->info.link_type) {
4003 case QETH_LINK_TYPE_HSTR:
4004 case QETH_LINK_TYPE_LANE_TR:
4005 if ((hdr_mac == QETH_TR_MAC_NC) ||
4006 (hdr_mac == QETH_TR_MAC_C) )
4007 *(__u32 *)hdr->hdr.l2.flags |=
4008 QETH_LAYER2_FLAG_MULTICAST << 8;
4010 *(__u32 *)hdr->hdr.l2.flags |=
4011 QETH_LAYER2_FLAG_UNICAST << 8;
4013 /* eth or so multicast? */
4015 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
4016 (hdr_mac==QETH_ETH_MAC_V6) )
4017 *(__u32 *)hdr->hdr.l2.flags |=
4018 QETH_LAYER2_FLAG_MULTICAST << 8;
4020 *(__u32 *)hdr->hdr.l2.flags |=
4021 QETH_LAYER2_FLAG_UNICAST << 8;
4026 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4027 struct sk_buff *skb, int cast_type)
4029 memset(hdr, 0, sizeof(struct qeth_hdr));
4030 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
4032 /* set byte 0 to "0x02" and byte 3 to casting flags */
4033 if (cast_type==RTN_MULTICAST)
4034 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
4035 else if (cast_type==RTN_BROADCAST)
4036 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
4038 qeth_layer2_get_packet_type(card, hdr, skb);
4040 hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4041 #ifdef CONFIG_QETH_VLAN
4042 /* VSWITCH relies on the VLAN
4043 * information to be present in
4044 * the QDIO header */
4045 if ((card->vlangrp != NULL) &&
4046 vlan_tx_tag_present(skb)) {
4047 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4048 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4054 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4055 struct sk_buff *skb, int ipv, int cast_type)
4057 QETH_DBF_TEXT(trace, 6, "fillhdr");
4059 memset(hdr, 0, sizeof(struct qeth_hdr));
4060 if (card->options.layer2) {
4061 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4064 hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4065 hdr->hdr.l3.ext_flags = 0;
4066 #ifdef CONFIG_QETH_VLAN
4068 * before we're going to overwrite this location with next hop ip.
4069 * v6 uses passthrough, v4 sets the tag in the QDIO header.
4071 if (card->vlangrp && vlan_tx_tag_present(skb)) {
4072 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4073 QETH_HDR_EXT_VLAN_FRAME :
4074 QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4075 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4077 #endif /* CONFIG_QETH_VLAN */
4078 hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4079 if (ipv == 4) { /* IPv4 */
4080 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4081 memset(hdr->hdr.l3.dest_addr, 0, 12);
4082 if ((skb->dst) && (skb->dst->neighbour)) {
4083 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4084 *((u32 *) skb->dst->neighbour->primary_key);
4086 /* fill in destination address used in ip header */
4087 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
4089 } else if (ipv == 6) { /* IPv6 or passthru */
4090 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4091 if ((skb->dst) && (skb->dst->neighbour)) {
4092 memcpy(hdr->hdr.l3.dest_addr,
4093 skb->dst->neighbour->primary_key, 16);
4095 /* fill in destination address used in ip header */
4096 memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
4098 } else { /* passthrough */
4099 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4100 !memcmp(skb->data + sizeof(struct qeth_hdr) +
4101 sizeof(__u16), skb->dev->broadcast, 6)) {
4102 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4104 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4105 skb->dev->broadcast, 6)) { /* broadcast? */
4106 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4109 hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4110 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4111 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4117 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4118 int is_tso, int *next_element_to_fill)
4120 int length = skb->len;
4126 element = *next_element_to_fill;
4128 first_lap = (is_tso == 0 ? 1 : 0);
4130 while (length > 0) {
4131 /* length_here is the remaining amount of data in this page */
4132 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4133 if (length < length_here)
4134 length_here = length;
4136 buffer->element[element].addr = data;
4137 buffer->element[element].length = length_here;
4138 length -= length_here;
4141 buffer->element[element].flags = 0;
4143 buffer->element[element].flags =
4144 SBAL_FLAGS_LAST_FRAG;
4147 buffer->element[element].flags =
4148 SBAL_FLAGS_FIRST_FRAG;
4150 buffer->element[element].flags =
4151 SBAL_FLAGS_MIDDLE_FRAG;
4153 data += length_here;
4157 *next_element_to_fill = element;
4161 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4162 struct qeth_qdio_out_buffer *buf,
4163 struct sk_buff *skb)
4165 struct qdio_buffer *buffer;
4166 struct qeth_hdr_tso *hdr;
4167 int flush_cnt = 0, hdr_len, large_send = 0;
4169 QETH_DBF_TEXT(trace, 6, "qdfillbf");
4171 buffer = buf->buffer;
4172 atomic_inc(&skb->users);
4173 skb_queue_tail(&buf->skb_list, skb);
4175 hdr = (struct qeth_hdr_tso *) skb->data;
4176 /*check first on TSO ....*/
4177 if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4178 int element = buf->next_element_to_fill;
4180 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4181 /*fill first buffer entry only with header information */
4182 buffer->element[element].addr = skb->data;
4183 buffer->element[element].length = hdr_len;
4184 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4185 buf->next_element_to_fill++;
4186 skb->data += hdr_len;
4187 skb->len -= hdr_len;
4190 if (skb_shinfo(skb)->nr_frags == 0)
4191 __qeth_fill_buffer(skb, buffer, large_send,
4192 (int *)&buf->next_element_to_fill);
4194 __qeth_fill_buffer_frag(skb, buffer, large_send,
4195 (int *)&buf->next_element_to_fill);
4197 if (!queue->do_pack) {
4198 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4199 /* set state to PRIMED -> will be flushed */
4200 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4203 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4204 #ifdef CONFIG_QETH_PERF_STATS
4205 queue->card->perf_stats.skbs_sent_pack++;
4207 if (buf->next_element_to_fill >=
4208 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4210 * packed buffer if full -> set state PRIMED
4211 * -> will be flushed
4213 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4221 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4222 struct sk_buff *skb, struct qeth_hdr *hdr,
4223 int elements_needed,
4224 struct qeth_eddp_context *ctx)
4226 struct qeth_qdio_out_buffer *buffer;
4227 int buffers_needed = 0;
4231 QETH_DBF_TEXT(trace, 6, "dosndpfa");
4233 /* spin until we get the queue ... */
4234 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4235 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4236 /* ... now we've got the queue */
4237 index = queue->next_buf_to_fill;
4238 buffer = &queue->bufs[queue->next_buf_to_fill];
4240 * check if buffer is empty to make sure that we do not 'overtake'
4241 * ourselves and try to fill a buffer that is already primed
4243 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4244 card->stats.tx_dropped++;
4245 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4249 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4250 QDIO_MAX_BUFFERS_PER_Q;
4252 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4253 if (buffers_needed < 0) {
4254 card->stats.tx_dropped++;
4255 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4258 queue->next_buf_to_fill =
4259 (queue->next_buf_to_fill + buffers_needed) %
4260 QDIO_MAX_BUFFERS_PER_Q;
4262 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4264 qeth_fill_buffer(queue, buffer, skb);
4265 qeth_flush_buffers(queue, 0, index, 1);
4267 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4268 WARN_ON(buffers_needed != flush_cnt);
4269 qeth_flush_buffers(queue, 0, index, flush_cnt);
4275 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4276 struct sk_buff *skb, struct qeth_hdr *hdr,
4277 int elements_needed, struct qeth_eddp_context *ctx)
4279 struct qeth_qdio_out_buffer *buffer;
4281 int flush_count = 0;
4286 QETH_DBF_TEXT(trace, 6, "dosndpkt");
4288 /* spin until we get the queue ... */
4289 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4290 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4291 start_index = queue->next_buf_to_fill;
4292 buffer = &queue->bufs[queue->next_buf_to_fill];
4294 * check if buffer is empty to make sure that we do not 'overtake'
4295 * ourselves and try to fill a buffer that is already primed
4297 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){
4298 card->stats.tx_dropped++;
4299 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4302 /* check if we need to switch packing state of this queue */
4303 qeth_switch_to_packing_if_needed(queue);
4304 if (queue->do_pack){
4307 /* does packet fit in current buffer? */
4308 if((QETH_MAX_BUFFER_ELEMENTS(card) -
4309 buffer->next_element_to_fill) < elements_needed){
4310 /* ... no -> set state PRIMED */
4311 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4313 queue->next_buf_to_fill =
4314 (queue->next_buf_to_fill + 1) %
4315 QDIO_MAX_BUFFERS_PER_Q;
4316 buffer = &queue->bufs[queue->next_buf_to_fill];
4317 /* we did a step forward, so check buffer state
4319 if (atomic_read(&buffer->state) !=
4320 QETH_QDIO_BUF_EMPTY){
4321 card->stats.tx_dropped++;
4322 qeth_flush_buffers(queue, 0, start_index, flush_count);
4323 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4328 /* check if we have enough elements (including following
4329 * free buffers) to handle eddp context */
4330 if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4331 printk("eddp tx_dropped 1\n");
4332 card->stats.tx_dropped++;
4339 tmp = qeth_fill_buffer(queue, buffer, skb);
4341 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4343 printk("eddp tx_dropped 2\n");
4344 card->stats.tx_dropped++;
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 #ifdef CONFIG_QETH_PERF_STATS
4380 queue->card->perf_stats.bufs_sent_pack += flush_count;
4381 #endif /* CONFIG_QETH_PERF_STATS */
4387 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4388 struct sk_buff *skb, int elems)
4390 int elements_needed = 0;
4392 if (skb_shinfo(skb)->nr_frags > 0) {
4393 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4395 if (elements_needed == 0 )
4396 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4397 + skb->len) >> PAGE_SHIFT);
4398 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4399 PRINT_ERR("qeth_do_send_packet: invalid size of "
4400 "IP packet (Number=%d / Length=%d). Discarded.\n",
4401 (elements_needed+elems), skb->len);
4404 return elements_needed;
4408 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4412 struct qeth_qdio_out_q *queue;
4413 struct qeth_hdr *hdr = NULL;
4414 int elements_needed = 0;
4415 enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4416 struct qeth_eddp_context *ctx = NULL;
4417 int tx_bytes = skb->len;
4418 unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
4419 unsigned short tso_size = skb_shinfo(skb)->gso_size;
4422 QETH_DBF_TEXT(trace, 6, "sendpkt");
4424 if (!card->options.layer2) {
4425 ipv = qeth_get_ip_version(skb);
4426 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4427 if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) {
4428 card->stats.tx_dropped++;
4429 dev_kfree_skb_irq(skb);
4432 if(card->dev->type == ARPHRD_IEEE802_TR){
4433 skb_pull(skb, QETH_FAKE_LL_LEN_TR);
4435 skb_pull(skb, QETH_FAKE_LL_LEN_ETH);
4439 if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4440 (skb->protocol == htons(ETH_P_IPV6))) {
4441 dev_kfree_skb_any(skb);
4444 cast_type = qeth_get_cast_type(card, skb);
4445 if ((cast_type == RTN_BROADCAST) &&
4446 (card->info.broadcast_capable == 0)){
4447 card->stats.tx_dropped++;
4448 card->stats.tx_errors++;
4449 dev_kfree_skb_any(skb);
4450 return NETDEV_TX_OK;
4452 queue = card->qdio.out_qs
4453 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4455 if (skb_shinfo(skb)->gso_size)
4456 large_send = card->options.large_send;
4458 /*are we able to do TSO ? If so ,prepare and send it from here */
4459 if ((large_send == QETH_LARGE_SEND_TSO) &&
4460 (cast_type == RTN_UNSPEC)) {
4461 rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type);
4463 card->stats.tx_dropped++;
4464 card->stats.tx_errors++;
4465 dev_kfree_skb_any(skb);
4466 return NETDEV_TX_OK;
4470 if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) {
4471 QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc);
4474 if (card->info.type != QETH_CARD_TYPE_OSN)
4475 qeth_fill_header(card, hdr, skb, ipv, cast_type);
4478 if (large_send == QETH_LARGE_SEND_EDDP) {
4479 ctx = qeth_eddp_create_context(card, skb, hdr);
4481 PRINT_WARN("could not create eddp context\n");
4485 int elems = qeth_get_elements_no(card,(void*) hdr, skb,
4489 elements_needed += elems;
4492 if (card->info.type != QETH_CARD_TYPE_IQD)
4493 rc = qeth_do_send_packet(card, queue, skb, hdr,
4494 elements_needed, ctx);
4496 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
4497 elements_needed, ctx);
4499 card->stats.tx_packets++;
4500 card->stats.tx_bytes += tx_bytes;
4501 #ifdef CONFIG_QETH_PERF_STATS
4503 !(large_send == QETH_LARGE_SEND_NO)) {
4504 card->perf_stats.large_send_bytes += tx_bytes;
4505 card->perf_stats.large_send_cnt++;
4508 card->perf_stats.sg_skbs_sent++;
4509 /* nr_frags + skb->data */
4510 card->perf_stats.sg_frags_sent +=
4513 #endif /* CONFIG_QETH_PERF_STATS */
4516 /* drop creator's reference */
4517 qeth_eddp_put_context(ctx);
4518 /* free skb; it's not referenced by a buffer */
4520 dev_kfree_skb_any(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 *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 *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 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5276 while ((skb = skb_dequeue(&buf->skb_list))){
5277 if (vlan_tx_tag_present(skb) &&
5278 (vlan_tx_tag_get(skb) == vid)) {
5279 atomic_dec(&skb->users);
5282 skb_queue_tail(&tmp_list, skb);
5285 while ((skb = skb_dequeue(&tmp_list)))
5286 skb_queue_tail(&buf->skb_list, skb);
5290 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5294 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5295 for (i = 0; i < card->qdio.no_out_queues; ++i){
5296 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5297 qeth_free_vlan_buffer(card, &card->qdio.
5298 out_qs[i]->bufs[j], vid);
5303 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5305 struct in_device *in_dev;
5306 struct in_ifaddr *ifa;
5307 struct qeth_ipaddr *addr;
5309 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5312 in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
5315 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5316 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5318 addr->u.a4.addr = ifa->ifa_address;
5319 addr->u.a4.mask = ifa->ifa_mask;
5320 addr->type = QETH_IP_TYPE_NORMAL;
5321 if (!qeth_delete_ip(card, addr))
5330 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5332 #ifdef CONFIG_QETH_IPV6
5333 struct inet6_dev *in6_dev;
5334 struct inet6_ifaddr *ifa;
5335 struct qeth_ipaddr *addr;
5337 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5339 in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
5342 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5343 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5345 memcpy(&addr->u.a6.addr, &ifa->addr,
5346 sizeof(struct in6_addr));
5347 addr->u.a6.pfxlen = ifa->prefix_len;
5348 addr->type = QETH_IP_TYPE_NORMAL;
5349 if (!qeth_delete_ip(card, addr))
5353 in6_dev_put(in6_dev);
5354 #endif /* CONFIG_QETH_IPV6 */
5358 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5360 if (card->options.layer2 || !card->vlangrp)
5362 qeth_free_vlan_addresses4(card, vid);
5363 qeth_free_vlan_addresses6(card, vid);
5367 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5368 struct qeth_reply *reply,
5371 struct qeth_ipa_cmd *cmd;
5373 QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5374 cmd = (struct qeth_ipa_cmd *) data;
5375 if (cmd->hdr.return_code) {
5376 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5377 "Continuing\n",cmd->data.setdelvlan.vlan_id,
5378 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5379 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5380 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5381 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5387 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5388 enum qeth_ipa_cmds ipacmd)
5390 struct qeth_ipa_cmd *cmd;
5391 struct qeth_cmd_buffer *iob;
5393 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5394 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5395 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5396 cmd->data.setdelvlan.vlan_id = i;
5397 return qeth_send_ipa_cmd(card, iob,
5398 qeth_layer2_send_setdelvlan_cb, NULL);
5402 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5406 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5410 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5411 if (card->vlangrp->vlan_devices[i] == NULL)
5414 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5416 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5420 /*add_vid is layer 2 used only ....*/
5422 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5424 struct qeth_card *card;
5426 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5428 card = (struct qeth_card *) dev->priv;
5429 if (!card->options.layer2)
5431 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5434 /*... kill_vid used for both modes*/
5436 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5438 struct qeth_card *card;
5439 unsigned long flags;
5441 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5443 card = (struct qeth_card *) dev->priv;
5444 /* free all skbs for the vlan device */
5445 qeth_free_vlan_skbs(card, vid);
5446 spin_lock_irqsave(&card->vlanlock, flags);
5447 /* unregister IP addresses of vlan device */
5448 qeth_free_vlan_addresses(card, vid);
5450 card->vlangrp->vlan_devices[vid] = NULL;
5451 spin_unlock_irqrestore(&card->vlanlock, flags);
5452 if (card->options.layer2)
5453 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5454 qeth_set_multicast_list(card->dev);
5458 * Examine hardware response to SET_PROMISC_MODE
5461 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5462 struct qeth_reply *reply,
5465 struct qeth_ipa_cmd *cmd;
5466 struct qeth_ipacmd_setadpparms *setparms;
5468 QETH_DBF_TEXT(trace,4,"prmadpcb");
5470 cmd = (struct qeth_ipa_cmd *) data;
5471 setparms = &(cmd->data.setadapterparms);
5473 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5474 if (cmd->hdr.return_code) {
5475 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5476 setparms->data.mode = SET_PROMISC_MODE_OFF;
5478 card->info.promisc_mode = setparms->data.mode;
5482 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5485 qeth_setadp_promisc_mode(struct qeth_card *card)
5487 enum qeth_ipa_promisc_modes mode;
5488 struct net_device *dev = card->dev;
5489 struct qeth_cmd_buffer *iob;
5490 struct qeth_ipa_cmd *cmd;
5492 QETH_DBF_TEXT(trace, 4, "setprom");
5494 if (((dev->flags & IFF_PROMISC) &&
5495 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5496 (!(dev->flags & IFF_PROMISC) &&
5497 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5499 mode = SET_PROMISC_MODE_OFF;
5500 if (dev->flags & IFF_PROMISC)
5501 mode = SET_PROMISC_MODE_ON;
5502 QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5504 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5505 sizeof(struct qeth_ipacmd_setadpparms));
5506 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5507 cmd->data.setadapterparms.data.mode = mode;
5508 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5512 * set multicast address on card
5515 qeth_set_multicast_list(struct net_device *dev)
5517 struct qeth_card *card = (struct qeth_card *) dev->priv;
5519 if (card->info.type == QETH_CARD_TYPE_OSN)
5522 QETH_DBF_TEXT(trace, 3, "setmulti");
5523 qeth_delete_mc_addresses(card);
5524 if (card->options.layer2) {
5525 qeth_layer2_add_multicast(card);
5528 qeth_add_multicast_ipv4(card);
5529 #ifdef CONFIG_QETH_IPV6
5530 qeth_add_multicast_ipv6(card);
5533 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5534 schedule_work(&card->kernel_thread_starter);
5535 if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5537 if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
5538 schedule_work(&card->kernel_thread_starter);
5542 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5548 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5550 if (dev->type == ARPHRD_IEEE802_TR)
5551 ip_tr_mc_map(ipm, mac);
5553 ip_eth_mc_map(ipm, mac);
5556 static struct qeth_ipaddr *
5557 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5559 struct qeth_ipaddr *addr;
5561 addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5563 PRINT_WARN("Not enough memory to add address\n");
5566 addr->type = QETH_IP_TYPE_NORMAL;
5572 qeth_osn_assist(struct net_device *dev,
5576 struct qeth_cmd_buffer *iob;
5577 struct qeth_card *card;
5580 QETH_DBF_TEXT(trace, 2, "osnsdmc");
5583 card = (struct qeth_card *)dev->priv;
5586 if ((card->state != CARD_STATE_UP) &&
5587 (card->state != CARD_STATE_SOFTSETUP))
5589 iob = qeth_wait_for_buffer(&card->write);
5590 memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5591 rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5595 static struct net_device *
5596 qeth_netdev_by_devno(unsigned char *read_dev_no)
5598 struct qeth_card *card;
5599 struct net_device *ndev;
5600 unsigned char *readno;
5601 __u16 temp_dev_no, card_dev_no;
5603 unsigned long flags;
5606 memcpy(&temp_dev_no, read_dev_no, 2);
5607 read_lock_irqsave(&qeth_card_list.rwlock, flags);
5608 list_for_each_entry(card, &qeth_card_list.list, list) {
5609 readno = CARD_RDEV_ID(card);
5610 readno += (strlen(readno) - 4);
5611 card_dev_no = simple_strtoul(readno, &endp, 16);
5612 if (card_dev_no == temp_dev_no) {
5617 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5622 qeth_osn_register(unsigned char *read_dev_no,
5623 struct net_device **dev,
5624 int (*assist_cb)(struct net_device *, void *),
5625 int (*data_cb)(struct sk_buff *))
5627 struct qeth_card * card;
5629 QETH_DBF_TEXT(trace, 2, "osnreg");
5630 *dev = qeth_netdev_by_devno(read_dev_no);
5633 card = (struct qeth_card *)(*dev)->priv;
5636 if ((assist_cb == NULL) || (data_cb == NULL))
5638 card->osn_info.assist_cb = assist_cb;
5639 card->osn_info.data_cb = data_cb;
5644 qeth_osn_deregister(struct net_device * dev)
5646 struct qeth_card *card;
5648 QETH_DBF_TEXT(trace, 2, "osndereg");
5651 card = (struct qeth_card *)dev->priv;
5654 card->osn_info.assist_cb = NULL;
5655 card->osn_info.data_cb = NULL;
5660 qeth_delete_mc_addresses(struct qeth_card *card)
5662 struct qeth_ipaddr *iptodo;
5663 unsigned long flags;
5665 QETH_DBF_TEXT(trace,4,"delmc");
5666 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5668 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5671 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5672 spin_lock_irqsave(&card->ip_lock, flags);
5673 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5675 spin_unlock_irqrestore(&card->ip_lock, flags);
5679 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5681 struct qeth_ipaddr *ipm;
5682 struct ip_mc_list *im4;
5683 char buf[MAX_ADDR_LEN];
5685 QETH_DBF_TEXT(trace,4,"addmc");
5686 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5687 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5688 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5691 ipm->u.a4.addr = im4->multiaddr;
5692 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5693 ipm->is_multicast = 1;
5694 if (!qeth_add_ip(card,ipm))
5700 qeth_add_vlan_mc(struct qeth_card *card)
5702 #ifdef CONFIG_QETH_VLAN
5703 struct in_device *in_dev;
5704 struct vlan_group *vg;
5707 QETH_DBF_TEXT(trace,4,"addmcvl");
5708 if ( ((card->options.layer2 == 0) &&
5709 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5710 (card->vlangrp == NULL) )
5714 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5715 if (vg->vlan_devices[i] == NULL ||
5716 !(vg->vlan_devices[i]->flags & IFF_UP))
5718 in_dev = in_dev_get(vg->vlan_devices[i]);
5721 read_lock(&in_dev->mc_list_lock);
5722 qeth_add_mc(card,in_dev);
5723 read_unlock(&in_dev->mc_list_lock);
5730 qeth_add_multicast_ipv4(struct qeth_card *card)
5732 struct in_device *in4_dev;
5734 QETH_DBF_TEXT(trace,4,"chkmcv4");
5735 in4_dev = in_dev_get(card->dev);
5736 if (in4_dev == NULL)
5738 read_lock(&in4_dev->mc_list_lock);
5739 qeth_add_mc(card, in4_dev);
5740 qeth_add_vlan_mc(card);
5741 read_unlock(&in4_dev->mc_list_lock);
5742 in_dev_put(in4_dev);
5746 qeth_layer2_add_multicast(struct qeth_card *card)
5748 struct qeth_ipaddr *ipm;
5749 struct dev_mc_list *dm;
5751 QETH_DBF_TEXT(trace,4,"L2addmc");
5752 for (dm = card->dev->mc_list; dm; dm = dm->next) {
5753 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5756 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5757 ipm->is_multicast = 1;
5758 if (!qeth_add_ip(card, ipm))
5763 #ifdef CONFIG_QETH_IPV6
5765 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5767 struct qeth_ipaddr *ipm;
5768 struct ifmcaddr6 *im6;
5769 char buf[MAX_ADDR_LEN];
5771 QETH_DBF_TEXT(trace,4,"addmc6");
5772 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5773 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5774 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5777 ipm->is_multicast = 1;
5778 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5779 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5780 sizeof(struct in6_addr));
5781 if (!qeth_add_ip(card,ipm))
5787 qeth_add_vlan_mc6(struct qeth_card *card)
5789 #ifdef CONFIG_QETH_VLAN
5790 struct inet6_dev *in_dev;
5791 struct vlan_group *vg;
5794 QETH_DBF_TEXT(trace,4,"admc6vl");
5795 if ( ((card->options.layer2 == 0) &&
5796 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5797 (card->vlangrp == NULL))
5801 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5802 if (vg->vlan_devices[i] == NULL ||
5803 !(vg->vlan_devices[i]->flags & IFF_UP))
5805 in_dev = in6_dev_get(vg->vlan_devices[i]);
5808 read_lock(&in_dev->lock);
5809 qeth_add_mc6(card,in_dev);
5810 read_unlock(&in_dev->lock);
5811 in6_dev_put(in_dev);
5813 #endif /* CONFIG_QETH_VLAN */
5817 qeth_add_multicast_ipv6(struct qeth_card *card)
5819 struct inet6_dev *in6_dev;
5821 QETH_DBF_TEXT(trace,4,"chkmcv6");
5822 if (!qeth_is_supported(card, IPA_IPV6))
5824 in6_dev = in6_dev_get(card->dev);
5825 if (in6_dev == NULL)
5827 read_lock(&in6_dev->lock);
5828 qeth_add_mc6(card, in6_dev);
5829 qeth_add_vlan_mc6(card);
5830 read_unlock(&in6_dev->lock);
5831 in6_dev_put(in6_dev);
5833 #endif /* CONFIG_QETH_IPV6 */
5836 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5837 enum qeth_ipa_cmds ipacmd,
5838 int (*reply_cb) (struct qeth_card *,
5842 struct qeth_ipa_cmd *cmd;
5843 struct qeth_cmd_buffer *iob;
5845 QETH_DBF_TEXT(trace, 2, "L2sdmac");
5846 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5847 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5848 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5849 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5850 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5854 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5855 struct qeth_reply *reply,
5858 struct qeth_ipa_cmd *cmd;
5861 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5862 cmd = (struct qeth_ipa_cmd *) data;
5863 mac = &cmd->data.setdelmac.mac[0];
5864 /* MAC already registered, needed in couple/uncouple case */
5865 if (cmd->hdr.return_code == 0x2005) {
5866 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5867 "already existing on %s \n",
5868 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5869 QETH_CARD_IFNAME(card));
5870 cmd->hdr.return_code = 0;
5872 if (cmd->hdr.return_code)
5873 PRINT_ERR("Could not set group MAC " \
5874 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5875 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5876 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5881 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5883 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5884 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5885 qeth_layer2_send_setgroupmac_cb);
5889 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5890 struct qeth_reply *reply,
5893 struct qeth_ipa_cmd *cmd;
5896 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5897 cmd = (struct qeth_ipa_cmd *) data;
5898 mac = &cmd->data.setdelmac.mac[0];
5899 if (cmd->hdr.return_code)
5900 PRINT_ERR("Could not delete group MAC " \
5901 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5902 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5903 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5908 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5910 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5911 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5912 qeth_layer2_send_delgroupmac_cb);
5916 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5917 struct qeth_reply *reply,
5920 struct qeth_ipa_cmd *cmd;
5922 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5923 cmd = (struct qeth_ipa_cmd *) data;
5924 if (cmd->hdr.return_code) {
5925 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5926 PRINT_WARN("Error in registering MAC address on " \
5927 "device %s: x%x\n", CARD_BUS_ID(card),
5928 cmd->hdr.return_code);
5929 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5930 cmd->hdr.return_code = -EIO;
5932 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5933 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5935 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5936 "successfully registered on device %s\n",
5937 card->dev->dev_addr[0], card->dev->dev_addr[1],
5938 card->dev->dev_addr[2], card->dev->dev_addr[3],
5939 card->dev->dev_addr[4], card->dev->dev_addr[5],
5946 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5948 QETH_DBF_TEXT(trace, 2, "L2Setmac");
5949 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5950 qeth_layer2_send_setmac_cb);
5954 qeth_layer2_send_delmac_cb(struct qeth_card *card,
5955 struct qeth_reply *reply,
5958 struct qeth_ipa_cmd *cmd;
5960 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
5961 cmd = (struct qeth_ipa_cmd *) data;
5962 if (cmd->hdr.return_code) {
5963 PRINT_WARN("Error in deregistering MAC address on " \
5964 "device %s: x%x\n", CARD_BUS_ID(card),
5965 cmd->hdr.return_code);
5966 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5967 cmd->hdr.return_code = -EIO;
5970 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5975 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
5977 QETH_DBF_TEXT(trace, 2, "L2Delmac");
5978 if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
5980 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
5981 qeth_layer2_send_delmac_cb);
5985 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5987 struct sockaddr *addr = p;
5988 struct qeth_card *card;
5991 QETH_DBF_TEXT(trace, 3, "setmac");
5993 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
5994 QETH_DBF_TEXT(trace, 3, "setmcINV");
5997 card = (struct qeth_card *) dev->priv;
5999 if (!card->options.layer2) {
6000 PRINT_WARN("Setting MAC address on %s is not supported "
6001 "in Layer 3 mode.\n", dev->name);
6002 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6005 if (card->info.type == QETH_CARD_TYPE_OSN) {
6006 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6008 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6011 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6012 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6013 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6015 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6020 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6021 __u8 command, enum qeth_prot_versions prot)
6023 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6024 cmd->hdr.command = command;
6025 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6026 cmd->hdr.seqno = card->seqno.ipa;
6027 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6028 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6029 if (card->options.layer2)
6030 cmd->hdr.prim_version_no = 2;
6032 cmd->hdr.prim_version_no = 1;
6033 cmd->hdr.param_count = 1;
6034 cmd->hdr.prot_version = prot;
6035 cmd->hdr.ipa_supported = 0;
6036 cmd->hdr.ipa_enabled = 0;
6039 static struct qeth_cmd_buffer *
6040 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6041 enum qeth_prot_versions prot)
6043 struct qeth_cmd_buffer *iob;
6044 struct qeth_ipa_cmd *cmd;
6046 iob = qeth_wait_for_buffer(&card->write);
6047 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6048 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6054 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6057 struct qeth_cmd_buffer *iob;
6058 struct qeth_ipa_cmd *cmd;
6060 QETH_DBF_TEXT(trace,4,"setdelmc");
6062 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6063 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6064 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6065 if (addr->proto == QETH_PROT_IPV6)
6066 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6067 sizeof(struct in6_addr));
6069 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6071 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6076 qeth_fill_netmask(u8 *netmask, unsigned int len)
6079 for (i=0;i<16;i++) {
6084 netmask[i] = (u8)(0xFF00>>j);
6091 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6092 int ipacmd, unsigned int flags)
6095 struct qeth_cmd_buffer *iob;
6096 struct qeth_ipa_cmd *cmd;
6099 QETH_DBF_TEXT(trace,4,"setdelip");
6100 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6102 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6103 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6104 if (addr->proto == QETH_PROT_IPV6) {
6105 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6106 sizeof(struct in6_addr));
6107 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6108 memcpy(cmd->data.setdelip6.mask, netmask,
6109 sizeof(struct in6_addr));
6110 cmd->data.setdelip6.flags = flags;
6112 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6113 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6114 cmd->data.setdelip4.flags = flags;
6117 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6123 qeth_layer2_register_addr_entry(struct qeth_card *card,
6124 struct qeth_ipaddr *addr)
6126 if (!addr->is_multicast)
6128 QETH_DBF_TEXT(trace, 2, "setgmac");
6129 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6130 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6134 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6135 struct qeth_ipaddr *addr)
6137 if (!addr->is_multicast)
6139 QETH_DBF_TEXT(trace, 2, "delgmac");
6140 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6141 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6145 qeth_layer3_register_addr_entry(struct qeth_card *card,
6146 struct qeth_ipaddr *addr)
6152 if (addr->proto == QETH_PROT_IPV4) {
6153 QETH_DBF_TEXT(trace, 2,"setaddr4");
6154 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6155 } else if (addr->proto == QETH_PROT_IPV6) {
6156 QETH_DBF_TEXT(trace, 2, "setaddr6");
6157 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6158 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6160 QETH_DBF_TEXT(trace, 2, "setaddr?");
6161 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6164 if (addr->is_multicast)
6165 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6167 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6170 QETH_DBF_TEXT(trace, 2, "failed");
6171 } while ((--cnt > 0) && rc);
6173 QETH_DBF_TEXT(trace, 2, "FAILED");
6174 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6175 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6182 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6183 struct qeth_ipaddr *addr)
6188 if (addr->proto == QETH_PROT_IPV4) {
6189 QETH_DBF_TEXT(trace, 2,"deladdr4");
6190 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6191 } else if (addr->proto == QETH_PROT_IPV6) {
6192 QETH_DBF_TEXT(trace, 2, "deladdr6");
6193 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6194 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6196 QETH_DBF_TEXT(trace, 2, "deladdr?");
6197 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6199 if (addr->is_multicast)
6200 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6202 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6205 QETH_DBF_TEXT(trace, 2, "failed");
6206 /* TODO: re-activate this warning as soon as we have a
6208 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6209 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6217 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6219 if (card->options.layer2)
6220 return qeth_layer2_register_addr_entry(card, addr);
6222 return qeth_layer3_register_addr_entry(card, addr);
6226 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6228 if (card->options.layer2)
6229 return qeth_layer2_deregister_addr_entry(card, addr);
6231 return qeth_layer3_deregister_addr_entry(card, addr);
6235 qeth_ethtool_get_tx_csum(struct net_device *dev)
6237 /* We may need to say that we support tx csum offload if
6238 * we do EDDP or TSO. There are discussions going on to
6239 * enforce rules in the stack and in ethtool that make
6240 * SG and TSO depend on HW_CSUM. At the moment there are
6242 * If we say yes here, we have to checksum outbound packets
6248 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6254 qeth_ethtool_get_rx_csum(struct net_device *dev)
6256 struct qeth_card *card = (struct qeth_card *)dev->priv;
6258 return (card->options.checksum_type == HW_CHECKSUMMING);
6262 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6264 struct qeth_card *card = (struct qeth_card *)dev->priv;
6266 if ((card->state != CARD_STATE_DOWN) &&
6267 (card->state != CARD_STATE_RECOVER))
6270 card->options.checksum_type = HW_CHECKSUMMING;
6272 card->options.checksum_type = SW_CHECKSUMMING;
6277 qeth_ethtool_get_sg(struct net_device *dev)
6279 struct qeth_card *card = (struct qeth_card *)dev->priv;
6281 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6282 (dev->features & NETIF_F_SG));
6286 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6288 struct qeth_card *card = (struct qeth_card *)dev->priv;
6291 if (card->options.large_send != QETH_LARGE_SEND_NO)
6292 dev->features |= NETIF_F_SG;
6294 dev->features &= ~NETIF_F_SG;
6298 dev->features &= ~NETIF_F_SG;
6303 qeth_ethtool_get_tso(struct net_device *dev)
6305 struct qeth_card *card = (struct qeth_card *)dev->priv;
6307 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6308 (dev->features & NETIF_F_TSO));
6312 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6314 struct qeth_card *card = (struct qeth_card *)dev->priv;
6317 if (card->options.large_send != QETH_LARGE_SEND_NO)
6318 dev->features |= NETIF_F_TSO;
6320 dev->features &= ~NETIF_F_TSO;
6324 dev->features &= ~NETIF_F_TSO;
6328 static struct ethtool_ops qeth_ethtool_ops = {
6329 .get_tx_csum = qeth_ethtool_get_tx_csum,
6330 .set_tx_csum = qeth_ethtool_set_tx_csum,
6331 .get_rx_csum = qeth_ethtool_get_rx_csum,
6332 .set_rx_csum = qeth_ethtool_set_rx_csum,
6333 .get_sg = qeth_ethtool_get_sg,
6334 .set_sg = qeth_ethtool_set_sg,
6335 .get_tso = qeth_ethtool_get_tso,
6336 .set_tso = qeth_ethtool_set_tso,
6340 qeth_netdev_init(struct net_device *dev)
6342 struct qeth_card *card;
6344 card = (struct qeth_card *) dev->priv;
6346 QETH_DBF_TEXT(trace,3,"initdev");
6348 dev->tx_timeout = &qeth_tx_timeout;
6349 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6350 dev->open = qeth_open;
6351 dev->stop = qeth_stop;
6352 dev->hard_start_xmit = qeth_hard_start_xmit;
6353 dev->do_ioctl = qeth_do_ioctl;
6354 dev->get_stats = qeth_get_stats;
6355 dev->change_mtu = qeth_change_mtu;
6356 dev->neigh_setup = qeth_neigh_setup;
6357 dev->set_multicast_list = qeth_set_multicast_list;
6358 #ifdef CONFIG_QETH_VLAN
6359 dev->vlan_rx_register = qeth_vlan_rx_register;
6360 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6361 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6363 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6364 dev->rebuild_header = NULL;
6365 dev->hard_header = NULL;
6366 dev->header_cache_update = NULL;
6367 dev->hard_header_cache = NULL;
6369 #ifdef CONFIG_QETH_IPV6
6370 /*IPv6 address autoconfiguration stuff*/
6371 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6372 card->dev->dev_id = card->info.unique_id & 0xffff;
6374 if (card->options.fake_ll &&
6375 (qeth_get_netdev_flags(card) & IFF_NOARP))
6376 dev->hard_header = qeth_fake_header;
6377 dev->hard_header_parse = NULL;
6378 dev->set_mac_address = qeth_layer2_set_mac_address;
6379 dev->flags |= qeth_get_netdev_flags(card);
6380 if ((card->options.fake_broadcast) ||
6381 (card->info.broadcast_capable))
6382 dev->flags |= IFF_BROADCAST;
6383 dev->hard_header_len =
6384 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6385 dev->addr_len = OSA_ADDR_LEN;
6386 dev->mtu = card->info.initial_mtu;
6387 if (card->info.type != QETH_CARD_TYPE_OSN)
6388 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6389 SET_MODULE_OWNER(dev);
6394 qeth_init_func_level(struct qeth_card *card)
6396 if (card->ipato.enabled) {
6397 if (card->info.type == QETH_CARD_TYPE_IQD)
6398 card->info.func_level =
6399 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6401 card->info.func_level =
6402 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6404 if (card->info.type == QETH_CARD_TYPE_IQD)
6405 /*FIXME:why do we have same values for dis and ena for osae??? */
6406 card->info.func_level =
6407 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6409 card->info.func_level =
6410 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6415 * hardsetup card, initialize MPC and QDIO stuff
6418 qeth_hardsetup_card(struct qeth_card *card)
6423 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6427 PRINT_WARN("Retrying to do IDX activates.\n");
6428 ccw_device_set_offline(CARD_DDEV(card));
6429 ccw_device_set_offline(CARD_WDEV(card));
6430 ccw_device_set_offline(CARD_RDEV(card));
6431 ccw_device_set_online(CARD_RDEV(card));
6432 ccw_device_set_online(CARD_WDEV(card));
6433 ccw_device_set_online(CARD_DDEV(card));
6435 rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6436 if (rc == -ERESTARTSYS) {
6437 QETH_DBF_TEXT(setup, 2, "break1");
6440 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6446 if ((rc = qeth_get_unitaddr(card))){
6447 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6450 qeth_init_tokens(card);
6451 qeth_init_func_level(card);
6452 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6453 if (rc == -ERESTARTSYS) {
6454 QETH_DBF_TEXT(setup, 2, "break2");
6457 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6463 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6464 if (rc == -ERESTARTSYS) {
6465 QETH_DBF_TEXT(setup, 2, "break3");
6468 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6474 if ((rc = qeth_mpc_initialize(card))){
6475 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6478 /*network device will be recovered*/
6480 card->dev->hard_header = card->orig_hard_header;
6481 if (card->options.fake_ll &&
6482 (qeth_get_netdev_flags(card) & IFF_NOARP))
6483 card->dev->hard_header = qeth_fake_header;
6486 /* at first set_online allocate netdev */
6487 card->dev = qeth_get_netdevice(card->info.type,
6488 card->info.link_type);
6490 qeth_qdio_clear_card(card, card->info.type !=
6491 QETH_CARD_TYPE_IQD);
6493 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6496 card->dev->priv = card;
6497 card->orig_hard_header = card->dev->hard_header;
6498 card->dev->type = qeth_get_arphdr_type(card->info.type,
6499 card->info.link_type);
6500 card->dev->init = qeth_netdev_init;
6503 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6508 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6511 struct qeth_ipa_cmd *cmd;
6513 QETH_DBF_TEXT(trace,4,"defadpcb");
6515 cmd = (struct qeth_ipa_cmd *) data;
6516 if (cmd->hdr.return_code == 0){
6517 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6518 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6519 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6520 #ifdef CONFIG_QETH_IPV6
6521 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6522 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6525 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6526 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6527 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6528 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6534 qeth_default_setadapterparms_cb(struct qeth_card *card,
6535 struct qeth_reply *reply,
6538 struct qeth_ipa_cmd *cmd;
6540 QETH_DBF_TEXT(trace,4,"defadpcb");
6542 cmd = (struct qeth_ipa_cmd *) data;
6543 if (cmd->hdr.return_code == 0)
6544 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6551 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6554 struct qeth_ipa_cmd *cmd;
6556 QETH_DBF_TEXT(trace,3,"quyadpcb");
6558 cmd = (struct qeth_ipa_cmd *) data;
6559 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6560 card->info.link_type =
6561 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6562 card->options.adp.supported_funcs =
6563 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6564 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6568 qeth_query_setadapterparms(struct qeth_card *card)
6571 struct qeth_cmd_buffer *iob;
6573 QETH_DBF_TEXT(trace,3,"queryadp");
6574 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6575 sizeof(struct qeth_ipacmd_setadpparms));
6576 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6581 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6582 struct qeth_reply *reply,
6585 struct qeth_ipa_cmd *cmd;
6587 QETH_DBF_TEXT(trace,4,"chgmaccb");
6589 cmd = (struct qeth_ipa_cmd *) data;
6590 if (!card->options.layer2 || card->info.guestlan ||
6591 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6592 memcpy(card->dev->dev_addr,
6593 &cmd->data.setadapterparms.data.change_addr.addr,
6595 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6597 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6602 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6605 struct qeth_cmd_buffer *iob;
6606 struct qeth_ipa_cmd *cmd;
6608 QETH_DBF_TEXT(trace,4,"chgmac");
6610 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6611 sizeof(struct qeth_ipacmd_setadpparms));
6612 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6613 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6614 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6615 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6616 card->dev->dev_addr, OSA_ADDR_LEN);
6617 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6623 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6626 struct qeth_cmd_buffer *iob;
6627 struct qeth_ipa_cmd *cmd;
6629 QETH_DBF_TEXT(trace,4,"adpmode");
6631 iob = qeth_get_adapter_cmd(card, command,
6632 sizeof(struct qeth_ipacmd_setadpparms));
6633 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6634 cmd->data.setadapterparms.data.mode = mode;
6635 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6641 qeth_setadapter_hstr(struct qeth_card *card)
6645 QETH_DBF_TEXT(trace,4,"adphstr");
6647 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6648 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6649 card->options.broadcast_mode);
6651 PRINT_WARN("couldn't set broadcast mode on "
6653 CARD_BUS_ID(card), rc);
6654 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6655 card->options.macaddr_mode);
6657 PRINT_WARN("couldn't set macaddr mode on "
6658 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6661 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6662 PRINT_WARN("set adapter parameters not available "
6663 "to set broadcast mode, using ALLRINGS "
6664 "on device %s:\n", CARD_BUS_ID(card));
6665 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6666 PRINT_WARN("set adapter parameters not available "
6667 "to set macaddr mode, using NONCANONICAL "
6668 "on device %s:\n", CARD_BUS_ID(card));
6673 qeth_setadapter_parms(struct qeth_card *card)
6677 QETH_DBF_TEXT(setup, 2, "setadprm");
6679 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6680 PRINT_WARN("set adapter parameters not supported "
6683 QETH_DBF_TEXT(setup, 2, " notsupp");
6686 rc = qeth_query_setadapterparms(card);
6688 PRINT_WARN("couldn't set adapter parameters on device %s: "
6689 "x%x\n", CARD_BUS_ID(card), rc);
6692 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6693 rc = qeth_setadpparms_change_macaddr(card);
6695 PRINT_WARN("couldn't get MAC address on "
6697 CARD_BUS_ID(card), rc);
6700 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6701 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6702 rc = qeth_setadapter_hstr(card);
6708 qeth_layer2_initialize(struct qeth_card *card)
6713 QETH_DBF_TEXT(setup, 2, "doL2init");
6714 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6716 rc = qeth_query_setadapterparms(card);
6718 PRINT_WARN("could not query adapter parameters on device %s: "
6719 "x%x\n", CARD_BUS_ID(card), rc);
6722 rc = qeth_setadpparms_change_macaddr(card);
6724 PRINT_WARN("couldn't get MAC address on "
6726 CARD_BUS_ID(card), rc);
6727 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6730 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6732 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6734 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6740 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6741 enum qeth_prot_versions prot)
6744 struct qeth_cmd_buffer *iob;
6746 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6747 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6753 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6757 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6759 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6764 qeth_send_stoplan(struct qeth_card *card)
6769 * TODO: according to the IPA format document page 14,
6770 * TCP/IP (we!) never issue a STOPLAN
6773 QETH_DBF_TEXT(trace, 2, "stoplan");
6775 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6780 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6783 struct qeth_ipa_cmd *cmd;
6785 QETH_DBF_TEXT(setup, 2, "qipasscb");
6787 cmd = (struct qeth_ipa_cmd *) data;
6788 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6789 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6790 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6791 /* Disable IPV6 support hard coded for Hipersockets */
6792 if(card->info.type == QETH_CARD_TYPE_IQD)
6793 card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6795 #ifdef CONFIG_QETH_IPV6
6796 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6797 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6800 QETH_DBF_TEXT(setup, 2, "suppenbl");
6801 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6802 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6807 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6810 struct qeth_cmd_buffer *iob;
6812 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6813 if (card->options.layer2) {
6814 QETH_DBF_TEXT(setup, 2, "noprmly2");
6818 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6819 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6823 static struct qeth_cmd_buffer *
6824 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6825 __u16 cmd_code, __u16 len,
6826 enum qeth_prot_versions prot)
6828 struct qeth_cmd_buffer *iob;
6829 struct qeth_ipa_cmd *cmd;
6831 QETH_DBF_TEXT(trace,4,"getasscm");
6832 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6834 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6835 cmd->data.setassparms.hdr.assist_no = ipa_func;
6836 cmd->data.setassparms.hdr.length = 8 + len;
6837 cmd->data.setassparms.hdr.command_code = cmd_code;
6838 cmd->data.setassparms.hdr.return_code = 0;
6839 cmd->data.setassparms.hdr.seq_no = 0;
6845 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6846 __u16 len, long data,
6848 (struct qeth_card *,struct qeth_reply *,unsigned long),
6852 struct qeth_ipa_cmd *cmd;
6854 QETH_DBF_TEXT(trace,4,"sendassp");
6856 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6857 if (len <= sizeof(__u32))
6858 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6859 else /* (len > sizeof(__u32)) */
6860 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6862 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6866 #ifdef CONFIG_QETH_IPV6
6868 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6869 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6873 struct qeth_cmd_buffer *iob;
6875 QETH_DBF_TEXT(trace,4,"simassp6");
6876 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6878 rc = qeth_send_setassparms(card, iob, 0, 0,
6879 qeth_default_setassparms_cb, NULL);
6885 qeth_send_simple_setassparms(struct qeth_card *card,
6886 enum qeth_ipa_funcs ipa_func,
6887 __u16 cmd_code, long data)
6891 struct qeth_cmd_buffer *iob;
6893 QETH_DBF_TEXT(trace,4,"simassp4");
6895 length = sizeof(__u32);
6896 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6897 length, QETH_PROT_IPV4);
6898 rc = qeth_send_setassparms(card, iob, length, data,
6899 qeth_default_setassparms_cb, NULL);
6904 qeth_start_ipa_arp_processing(struct qeth_card *card)
6908 QETH_DBF_TEXT(trace,3,"ipaarp");
6910 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6911 PRINT_WARN("ARP processing not supported "
6912 "on %s!\n", QETH_CARD_IFNAME(card));
6915 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6916 IPA_CMD_ASS_START, 0);
6918 PRINT_WARN("Could not start ARP processing "
6919 "assist on %s: 0x%x\n",
6920 QETH_CARD_IFNAME(card), rc);
6926 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6930 QETH_DBF_TEXT(trace,3,"ipaipfrg");
6932 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6933 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6934 QETH_CARD_IFNAME(card));
6938 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6939 IPA_CMD_ASS_START, 0);
6941 PRINT_WARN("Could not start Hardware IP fragmentation "
6942 "assist on %s: 0x%x\n",
6943 QETH_CARD_IFNAME(card), rc);
6945 PRINT_INFO("Hardware IP fragmentation enabled \n");
6950 qeth_start_ipa_source_mac(struct qeth_card *card)
6954 QETH_DBF_TEXT(trace,3,"stsrcmac");
6956 if (!card->options.fake_ll)
6959 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6960 PRINT_INFO("Inbound source address not "
6961 "supported on %s\n", QETH_CARD_IFNAME(card));
6965 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6966 IPA_CMD_ASS_START, 0);
6968 PRINT_WARN("Could not start inbound source "
6969 "assist on %s: 0x%x\n",
6970 QETH_CARD_IFNAME(card), rc);
6975 qeth_start_ipa_vlan(struct qeth_card *card)
6979 QETH_DBF_TEXT(trace,3,"strtvlan");
6981 #ifdef CONFIG_QETH_VLAN
6982 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6983 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
6987 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6988 IPA_CMD_ASS_START,0);
6990 PRINT_WARN("Could not start vlan "
6991 "assist on %s: 0x%x\n",
6992 QETH_CARD_IFNAME(card), rc);
6994 PRINT_INFO("VLAN enabled \n");
6995 card->dev->features |=
6996 NETIF_F_HW_VLAN_FILTER |
6997 NETIF_F_HW_VLAN_TX |
7000 #endif /* QETH_VLAN */
7005 qeth_start_ipa_multicast(struct qeth_card *card)
7009 QETH_DBF_TEXT(trace,3,"stmcast");
7011 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7012 PRINT_WARN("Multicast not supported on %s\n",
7013 QETH_CARD_IFNAME(card));
7017 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7018 IPA_CMD_ASS_START,0);
7020 PRINT_WARN("Could not start multicast "
7021 "assist on %s: rc=%i\n",
7022 QETH_CARD_IFNAME(card), rc);
7024 PRINT_INFO("Multicast enabled\n");
7025 card->dev->flags |= IFF_MULTICAST;
7030 #ifdef CONFIG_QETH_IPV6
7032 qeth_softsetup_ipv6(struct qeth_card *card)
7036 QETH_DBF_TEXT(trace,3,"softipv6");
7038 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7040 PRINT_ERR("IPv6 startlan failed on %s\n",
7041 QETH_CARD_IFNAME(card));
7044 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7046 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7047 QETH_CARD_IFNAME(card));
7050 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7051 IPA_CMD_ASS_START, 3);
7053 PRINT_WARN("IPv6 start assist (version 4) failed "
7055 QETH_CARD_IFNAME(card), rc);
7058 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7061 PRINT_WARN("IPV6 start assist (version 6) failed "
7063 QETH_CARD_IFNAME(card), rc);
7066 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7069 PRINT_WARN("Could not enable passthrough "
7071 QETH_CARD_IFNAME(card), rc);
7074 PRINT_INFO("IPV6 enabled \n");
7081 qeth_start_ipa_ipv6(struct qeth_card *card)
7084 #ifdef CONFIG_QETH_IPV6
7085 QETH_DBF_TEXT(trace,3,"strtipv6");
7087 if (!qeth_is_supported(card, IPA_IPV6)) {
7088 PRINT_WARN("IPv6 not supported on %s\n",
7089 QETH_CARD_IFNAME(card));
7092 rc = qeth_softsetup_ipv6(card);
7098 qeth_start_ipa_broadcast(struct qeth_card *card)
7102 QETH_DBF_TEXT(trace,3,"stbrdcst");
7103 card->info.broadcast_capable = 0;
7104 if (!qeth_is_supported(card, IPA_FILTERING)) {
7105 PRINT_WARN("Broadcast not supported on %s\n",
7106 QETH_CARD_IFNAME(card));
7110 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7111 IPA_CMD_ASS_START, 0);
7113 PRINT_WARN("Could not enable broadcasting filtering "
7115 QETH_CARD_IFNAME(card), rc);
7119 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7120 IPA_CMD_ASS_CONFIGURE, 1);
7122 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7123 QETH_CARD_IFNAME(card), rc);
7126 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7127 PRINT_INFO("Broadcast enabled \n");
7128 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7129 IPA_CMD_ASS_ENABLE, 1);
7131 PRINT_WARN("Could not set up broadcast echo filtering on "
7132 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7135 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7137 if (card->info.broadcast_capable)
7138 card->dev->flags |= IFF_BROADCAST;
7140 card->dev->flags &= ~IFF_BROADCAST;
7145 qeth_send_checksum_command(struct qeth_card *card)
7149 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7150 IPA_CMD_ASS_START, 0);
7152 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7153 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7154 QETH_CARD_IFNAME(card), rc);
7157 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7159 card->info.csum_mask);
7161 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7162 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7163 QETH_CARD_IFNAME(card), rc);
7170 qeth_start_ipa_checksum(struct qeth_card *card)
7174 QETH_DBF_TEXT(trace,3,"strtcsum");
7176 if (card->options.checksum_type == NO_CHECKSUMMING) {
7177 PRINT_WARN("Using no checksumming on %s.\n",
7178 QETH_CARD_IFNAME(card));
7181 if (card->options.checksum_type == SW_CHECKSUMMING) {
7182 PRINT_WARN("Using SW checksumming on %s.\n",
7183 QETH_CARD_IFNAME(card));
7186 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7187 PRINT_WARN("Inbound HW Checksumming not "
7188 "supported on %s,\ncontinuing "
7189 "using Inbound SW Checksumming\n",
7190 QETH_CARD_IFNAME(card));
7191 card->options.checksum_type = SW_CHECKSUMMING;
7194 rc = qeth_send_checksum_command(card);
7196 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7202 qeth_start_ipa_tso(struct qeth_card *card)
7206 QETH_DBF_TEXT(trace,3,"sttso");
7208 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7209 PRINT_WARN("Outbound TSO not supported on %s\n",
7210 QETH_CARD_IFNAME(card));
7213 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7214 IPA_CMD_ASS_START,0);
7216 PRINT_WARN("Could not start outbound TSO "
7217 "assist on %s: rc=%i\n",
7218 QETH_CARD_IFNAME(card), rc);
7220 PRINT_INFO("Outbound TSO enabled\n");
7222 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7223 card->options.large_send = QETH_LARGE_SEND_NO;
7224 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7230 qeth_start_ipassists(struct qeth_card *card)
7232 QETH_DBF_TEXT(trace,3,"strtipas");
7233 qeth_start_ipa_arp_processing(card); /* go on*/
7234 qeth_start_ipa_ip_fragmentation(card); /* go on*/
7235 qeth_start_ipa_source_mac(card); /* go on*/
7236 qeth_start_ipa_vlan(card); /* go on*/
7237 qeth_start_ipa_multicast(card); /* go on*/
7238 qeth_start_ipa_ipv6(card); /* go on*/
7239 qeth_start_ipa_broadcast(card); /* go on*/
7240 qeth_start_ipa_checksum(card); /* go on*/
7241 qeth_start_ipa_tso(card); /* go on*/
7246 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7247 enum qeth_prot_versions prot)
7250 struct qeth_ipa_cmd *cmd;
7251 struct qeth_cmd_buffer *iob;
7253 QETH_DBF_TEXT(trace,4,"setroutg");
7254 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7255 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7256 cmd->data.setrtg.type = (type);
7257 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7264 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7265 enum qeth_prot_versions prot)
7267 if (card->info.type == QETH_CARD_TYPE_IQD) {
7270 case PRIMARY_CONNECTOR:
7271 case SECONDARY_CONNECTOR:
7272 case MULTICAST_ROUTER:
7280 case PRIMARY_ROUTER:
7281 case SECONDARY_ROUTER:
7283 case MULTICAST_ROUTER:
7284 if (qeth_is_ipafunc_supported(card, prot,
7292 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7293 "Router status set to 'no router'.\n",
7294 ((*type == PRIMARY_ROUTER)? "primary router" :
7295 (*type == SECONDARY_ROUTER)? "secondary router" :
7296 (*type == PRIMARY_CONNECTOR)? "primary connector" :
7297 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7298 (*type == MULTICAST_ROUTER)? "multicast router" :
7305 qeth_setrouting_v4(struct qeth_card *card)
7309 QETH_DBF_TEXT(trace,3,"setrtg4");
7311 qeth_correct_routing_type(card, &card->options.route4.type,
7314 rc = qeth_send_setrouting(card, card->options.route4.type,
7317 card->options.route4.type = NO_ROUTER;
7318 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7319 "Type set to 'no router'.\n",
7320 rc, QETH_CARD_IFNAME(card));
7326 qeth_setrouting_v6(struct qeth_card *card)
7330 QETH_DBF_TEXT(trace,3,"setrtg6");
7331 #ifdef CONFIG_QETH_IPV6
7333 qeth_correct_routing_type(card, &card->options.route6.type,
7336 rc = qeth_send_setrouting(card, card->options.route6.type,
7339 card->options.route6.type = NO_ROUTER;
7340 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7341 "Type set to 'no router'.\n",
7342 rc, QETH_CARD_IFNAME(card));
7349 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7353 if (card->dev == NULL) {
7354 card->options.large_send = type;
7357 if (card->state == CARD_STATE_UP)
7358 netif_tx_disable(card->dev);
7359 card->options.large_send = type;
7360 switch (card->options.large_send) {
7361 case QETH_LARGE_SEND_EDDP:
7362 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7364 case QETH_LARGE_SEND_TSO:
7365 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7366 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7368 PRINT_WARN("TSO not supported on %s. "
7369 "large_send set to 'no'.\n",
7371 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7372 card->options.large_send = QETH_LARGE_SEND_NO;
7376 default: /* includes QETH_LARGE_SEND_NO */
7377 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7380 if (card->state == CARD_STATE_UP)
7381 netif_wake_queue(card->dev);
7386 * softsetup card: init IPA stuff
7389 qeth_softsetup_card(struct qeth_card *card)
7393 QETH_DBF_TEXT(setup, 2, "softsetp");
7395 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7396 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7398 PRINT_WARN("LAN on card %s if offline! "
7399 "Continuing softsetup.\n",
7401 card->lan_online = 0;
7405 card->lan_online = 1;
7406 if (card->info.type==QETH_CARD_TYPE_OSN)
7408 qeth_set_large_send(card, card->options.large_send);
7409 if (card->options.layer2) {
7410 card->dev->features |=
7411 NETIF_F_HW_VLAN_FILTER |
7412 NETIF_F_HW_VLAN_TX |
7414 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7415 card->info.broadcast_capable=1;
7416 if ((rc = qeth_layer2_initialize(card))) {
7417 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7420 #ifdef CONFIG_QETH_VLAN
7421 qeth_layer2_process_vlans(card, 0);
7425 if ((rc = qeth_setadapter_parms(card)))
7426 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7427 if ((rc = qeth_start_ipassists(card)))
7428 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7429 if ((rc = qeth_setrouting_v4(card)))
7430 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7431 if ((rc = qeth_setrouting_v6(card)))
7432 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7434 netif_tx_disable(card->dev);
7438 #ifdef CONFIG_QETH_IPV6
7440 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7443 struct qeth_ipa_cmd *cmd;
7445 cmd = (struct qeth_ipa_cmd *) data;
7446 if (cmd->hdr.return_code == 0)
7447 card->info.unique_id = *((__u16 *)
7448 &cmd->data.create_destroy_addr.unique_id[6]);
7450 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7451 UNIQUE_ID_NOT_BY_CARD;
7452 PRINT_WARN("couldn't get a unique id from the card on device "
7453 "%s (result=x%x), using default id. ipv6 "
7454 "autoconfig on other lpars may lead to duplicate "
7455 "ip addresses. please use manually "
7456 "configured ones.\n",
7457 CARD_BUS_ID(card), cmd->hdr.return_code);
7464 qeth_put_unique_id(struct qeth_card *card)
7468 #ifdef CONFIG_QETH_IPV6
7469 struct qeth_cmd_buffer *iob;
7470 struct qeth_ipa_cmd *cmd;
7472 QETH_DBF_TEXT(trace,2,"puniqeid");
7474 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7475 UNIQUE_ID_NOT_BY_CARD)
7477 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7479 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7480 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7481 card->info.unique_id;
7482 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7483 card->dev->dev_addr, OSA_ADDR_LEN);
7484 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7486 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7487 UNIQUE_ID_NOT_BY_CARD;
7496 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7498 struct qeth_ipaddr *addr, *tmp;
7499 unsigned long flags;
7501 QETH_DBF_TEXT(trace,4,"clearip");
7502 spin_lock_irqsave(&card->ip_lock, flags);
7503 /* clear todo list */
7504 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7505 list_del(&addr->entry);
7509 while (!list_empty(&card->ip_list)) {
7510 addr = list_entry(card->ip_list.next,
7511 struct qeth_ipaddr, entry);
7512 list_del_init(&addr->entry);
7514 spin_unlock_irqrestore(&card->ip_lock, flags);
7515 qeth_deregister_addr_entry(card, addr);
7516 spin_lock_irqsave(&card->ip_lock, flags);
7518 if (!recover || addr->is_multicast) {
7522 list_add_tail(&addr->entry, card->ip_tbd_list);
7524 spin_unlock_irqrestore(&card->ip_lock, flags);
7528 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7529 int clear_start_mask)
7531 unsigned long flags;
7533 spin_lock_irqsave(&card->thread_mask_lock, flags);
7534 card->thread_allowed_mask = threads;
7535 if (clear_start_mask)
7536 card->thread_start_mask &= threads;
7537 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7538 wake_up(&card->wait_q);
7542 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7544 unsigned long flags;
7547 spin_lock_irqsave(&card->thread_mask_lock, flags);
7548 rc = (card->thread_running_mask & threads);
7549 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7554 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7556 return wait_event_interruptible(card->wait_q,
7557 qeth_threads_running(card, threads) == 0);
7561 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7565 QETH_DBF_TEXT(setup ,2,"stopcard");
7566 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7568 qeth_set_allowed_threads(card, 0, 1);
7569 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7570 return -ERESTARTSYS;
7571 if (card->read.state == CH_STATE_UP &&
7572 card->write.state == CH_STATE_UP &&
7573 (card->state == CARD_STATE_UP)) {
7574 if (recovery_mode &&
7575 card->info.type != QETH_CARD_TYPE_OSN) {
7576 qeth_stop(card->dev);
7579 dev_close(card->dev);
7582 if (!card->use_hard_stop) {
7583 __u8 *mac = &card->dev->dev_addr[0];
7584 rc = qeth_layer2_send_delmac(card, mac);
7585 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7586 if ((rc = qeth_send_stoplan(card)))
7587 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7589 card->state = CARD_STATE_SOFTSETUP;
7591 if (card->state == CARD_STATE_SOFTSETUP) {
7592 #ifdef CONFIG_QETH_VLAN
7593 if (card->options.layer2)
7594 qeth_layer2_process_vlans(card, 1);
7596 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7597 qeth_clear_ipacmd_list(card);
7598 card->state = CARD_STATE_HARDSETUP;
7600 if (card->state == CARD_STATE_HARDSETUP) {
7601 if ((!card->use_hard_stop) &&
7602 (!card->options.layer2))
7603 if ((rc = qeth_put_unique_id(card)))
7604 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7605 qeth_qdio_clear_card(card, 0);
7606 qeth_clear_qdio_buffers(card);
7607 qeth_clear_working_pool_list(card);
7608 card->state = CARD_STATE_DOWN;
7610 if (card->state == CARD_STATE_DOWN) {
7611 qeth_clear_cmd_buffers(&card->read);
7612 qeth_clear_cmd_buffers(&card->write);
7614 card->use_hard_stop = 0;
7620 qeth_get_unique_id(struct qeth_card *card)
7623 #ifdef CONFIG_QETH_IPV6
7624 struct qeth_cmd_buffer *iob;
7625 struct qeth_ipa_cmd *cmd;
7627 QETH_DBF_TEXT(setup, 2, "guniqeid");
7629 if (!qeth_is_supported(card,IPA_IPV6)) {
7630 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7631 UNIQUE_ID_NOT_BY_CARD;
7635 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7637 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7638 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7639 card->info.unique_id;
7641 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7643 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7644 UNIQUE_ID_NOT_BY_CARD;
7649 qeth_print_status_with_portname(struct qeth_card *card)
7654 sprintf(dbf_text, "%s", card->info.portname + 1);
7655 for (i = 0; i < 8; i++)
7657 (char) _ebcasc[(__u8) dbf_text[i]];
7659 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7660 "with link type %s (portname: %s)\n",
7664 qeth_get_cardname(card),
7665 (card->info.mcl_level[0]) ? " (level: " : "",
7666 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7667 (card->info.mcl_level[0]) ? ")" : "",
7668 qeth_get_cardname_short(card),
7674 qeth_print_status_no_portname(struct qeth_card *card)
7676 if (card->info.portname[0])
7677 printk("qeth: Device %s/%s/%s is a%s "
7678 "card%s%s%s\nwith link type %s "
7679 "(no portname needed by interface).\n",
7683 qeth_get_cardname(card),
7684 (card->info.mcl_level[0]) ? " (level: " : "",
7685 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7686 (card->info.mcl_level[0]) ? ")" : "",
7687 qeth_get_cardname_short(card));
7689 printk("qeth: Device %s/%s/%s is a%s "
7690 "card%s%s%s\nwith link type %s.\n",
7694 qeth_get_cardname(card),
7695 (card->info.mcl_level[0]) ? " (level: " : "",
7696 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7697 (card->info.mcl_level[0]) ? ")" : "",
7698 qeth_get_cardname_short(card));
7702 qeth_print_status_message(struct qeth_card *card)
7704 switch (card->info.type) {
7705 case QETH_CARD_TYPE_OSAE:
7706 /* VM will use a non-zero first character
7707 * to indicate a HiperSockets like reporting
7708 * of the level OSA sets the first character to zero
7710 if (!card->info.mcl_level[0]) {
7711 sprintf(card->info.mcl_level,"%02x%02x",
7712 card->info.mcl_level[2],
7713 card->info.mcl_level[3]);
7715 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7719 case QETH_CARD_TYPE_IQD:
7720 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7721 card->info.mcl_level[0]];
7722 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7723 card->info.mcl_level[1]];
7724 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7725 card->info.mcl_level[2]];
7726 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7727 card->info.mcl_level[3]];
7728 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7731 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7733 if (card->info.portname_required)
7734 qeth_print_status_with_portname(card);
7736 qeth_print_status_no_portname(card);
7740 qeth_register_netdev(struct qeth_card *card)
7742 QETH_DBF_TEXT(setup, 3, "regnetd");
7743 if (card->dev->reg_state != NETREG_UNINITIALIZED)
7746 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7747 return register_netdev(card->dev);
7751 qeth_start_again(struct qeth_card *card, int recovery_mode)
7753 QETH_DBF_TEXT(setup ,2, "startag");
7755 if (recovery_mode &&
7756 card->info.type != QETH_CARD_TYPE_OSN) {
7757 qeth_open(card->dev);
7760 dev_open(card->dev);
7763 /* this also sets saved unicast addresses */
7764 qeth_set_multicast_list(card->dev);
7768 /* Layer 2 specific stuff */
7769 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7770 if (card->options.option == value) { \
7771 PRINT_ERR("%s not supported with layer 2 " \
7772 "functionality, ignoring option on read" \
7773 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7774 card->options.option = reset_value; \
7776 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7777 if (card->options.option != value) { \
7778 PRINT_ERR("%s not supported with layer 2 " \
7779 "functionality, ignoring option on read" \
7780 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7781 card->options.option = reset_value; \
7785 static void qeth_make_parameters_consistent(struct qeth_card *card)
7788 if (card->options.layer2 == 0)
7790 if (card->info.type == QETH_CARD_TYPE_OSN)
7792 if (card->info.type == QETH_CARD_TYPE_IQD) {
7793 PRINT_ERR("Device %s does not support layer 2 functionality." \
7794 " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7795 card->options.layer2 = 0;
7798 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7799 "Routing options are");
7800 #ifdef CONFIG_QETH_IPV6
7801 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7802 "Routing options are");
7804 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7805 QETH_CHECKSUM_DEFAULT,
7806 "Checksumming options are");
7807 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7808 QETH_TR_BROADCAST_ALLRINGS,
7809 "Broadcast mode options are");
7810 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7811 QETH_TR_MACADDR_NONCANONICAL,
7812 "Canonical MAC addr options are");
7813 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7814 "Broadcast faking options are");
7815 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7816 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7817 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7822 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7824 struct qeth_card *card = gdev->dev.driver_data;
7826 enum qeth_card_states recover_flag;
7829 QETH_DBF_TEXT(setup ,2, "setonlin");
7830 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7832 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7833 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7834 PRINT_WARN("set_online of card %s interrupted by user!\n",
7836 return -ERESTARTSYS;
7839 recover_flag = card->state;
7840 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7841 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7842 (rc = ccw_device_set_online(CARD_DDEV(card)))){
7843 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7847 qeth_make_parameters_consistent(card);
7849 if ((rc = qeth_hardsetup_card(card))){
7850 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7853 card->state = CARD_STATE_HARDSETUP;
7855 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7856 rc = qeth_get_unique_id(card);
7858 if (rc && card->options.layer2 == 0) {
7859 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7862 qeth_print_status_message(card);
7863 if ((rc = qeth_register_netdev(card))){
7864 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7867 if ((rc = qeth_softsetup_card(card))){
7868 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7871 card->state = CARD_STATE_SOFTSETUP;
7873 if ((rc = qeth_init_qdio_queues(card))){
7874 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7877 netif_carrier_on(card->dev);
7879 qeth_set_allowed_threads(card, 0xffffffff, 0);
7880 if (recover_flag == CARD_STATE_RECOVER)
7881 qeth_start_again(card, recovery_mode);
7882 qeth_notify_processes();
7885 card->use_hard_stop = 1;
7886 qeth_stop_card(card, 0);
7887 ccw_device_set_offline(CARD_DDEV(card));
7888 ccw_device_set_offline(CARD_WDEV(card));
7889 ccw_device_set_offline(CARD_RDEV(card));
7890 if (recover_flag == CARD_STATE_RECOVER)
7891 card->state = CARD_STATE_RECOVER;
7893 card->state = CARD_STATE_DOWN;
7898 qeth_set_online(struct ccwgroup_device *gdev)
7900 return __qeth_set_online(gdev, 0);
7903 static struct ccw_device_id qeth_ids[] = {
7904 {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
7905 {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
7906 {CCW_DEVICE(0x1731, 0x06), driver_info:QETH_CARD_TYPE_OSN},
7909 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7911 struct device *qeth_root_dev = NULL;
7913 struct ccwgroup_driver qeth_ccwgroup_driver = {
7914 .owner = THIS_MODULE,
7916 .driver_id = 0xD8C5E3C8,
7917 .probe = qeth_probe_device,
7918 .remove = qeth_remove_device,
7919 .set_online = qeth_set_online,
7920 .set_offline = qeth_set_offline,
7923 struct ccw_driver qeth_ccw_driver = {
7926 .probe = ccwgroup_probe_ccwdev,
7927 .remove = ccwgroup_remove_ccwdev,
7932 qeth_unregister_dbf_views(void)
7935 debug_unregister(qeth_dbf_setup);
7937 debug_unregister(qeth_dbf_qerr);
7939 debug_unregister(qeth_dbf_sense);
7941 debug_unregister(qeth_dbf_misc);
7943 debug_unregister(qeth_dbf_data);
7944 if (qeth_dbf_control)
7945 debug_unregister(qeth_dbf_control);
7947 debug_unregister(qeth_dbf_trace);
7950 qeth_register_dbf_views(void)
7952 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7953 QETH_DBF_SETUP_PAGES,
7954 QETH_DBF_SETUP_NR_AREAS,
7955 QETH_DBF_SETUP_LEN);
7956 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7957 QETH_DBF_MISC_PAGES,
7958 QETH_DBF_MISC_NR_AREAS,
7960 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7961 QETH_DBF_DATA_PAGES,
7962 QETH_DBF_DATA_NR_AREAS,
7964 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7965 QETH_DBF_CONTROL_PAGES,
7966 QETH_DBF_CONTROL_NR_AREAS,
7967 QETH_DBF_CONTROL_LEN);
7968 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7969 QETH_DBF_SENSE_PAGES,
7970 QETH_DBF_SENSE_NR_AREAS,
7971 QETH_DBF_SENSE_LEN);
7972 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7973 QETH_DBF_QERR_PAGES,
7974 QETH_DBF_QERR_NR_AREAS,
7976 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7977 QETH_DBF_TRACE_PAGES,
7978 QETH_DBF_TRACE_NR_AREAS,
7979 QETH_DBF_TRACE_LEN);
7981 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
7982 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
7983 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
7984 (qeth_dbf_trace == NULL)) {
7985 qeth_unregister_dbf_views();
7988 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7989 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
7991 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
7992 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
7994 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
7995 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
7997 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
7998 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8000 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8001 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8003 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8004 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8006 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8007 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8012 #ifdef CONFIG_QETH_IPV6
8013 extern struct neigh_table arp_tbl;
8014 static struct neigh_ops *arp_direct_ops;
8015 static int (*qeth_old_arp_constructor) (struct neighbour *);
8017 static struct neigh_ops arp_direct_ops_template = {
8020 .error_report = NULL,
8021 .output = dev_queue_xmit,
8022 .connected_output = dev_queue_xmit,
8023 .hh_output = dev_queue_xmit,
8024 .queue_xmit = dev_queue_xmit
8028 qeth_arp_constructor(struct neighbour *neigh)
8030 struct net_device *dev = neigh->dev;
8031 struct in_device *in_dev;
8032 struct neigh_parms *parms;
8033 struct qeth_card *card;
8035 card = qeth_get_card_from_dev(dev);
8038 if((card->options.layer2) ||
8039 (card->dev->hard_header == qeth_fake_header))
8043 in_dev = __in_dev_get_rcu(dev);
8044 if (in_dev == NULL) {
8049 parms = in_dev->arp_parms;
8050 __neigh_parms_put(neigh->parms);
8051 neigh->parms = neigh_parms_clone(parms);
8054 neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
8055 neigh->nud_state = NUD_NOARP;
8056 neigh->ops = arp_direct_ops;
8057 neigh->output = neigh->ops->queue_xmit;
8060 return qeth_old_arp_constructor(neigh);
8062 #endif /*CONFIG_QETH_IPV6*/
8065 * IP address takeover related functions
8068 qeth_clear_ipato_list(struct qeth_card *card)
8070 struct qeth_ipato_entry *ipatoe, *tmp;
8071 unsigned long flags;
8073 spin_lock_irqsave(&card->ip_lock, flags);
8074 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8075 list_del(&ipatoe->entry);
8078 spin_unlock_irqrestore(&card->ip_lock, flags);
8082 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8084 struct qeth_ipato_entry *ipatoe;
8085 unsigned long flags;
8088 QETH_DBF_TEXT(trace, 2, "addipato");
8089 spin_lock_irqsave(&card->ip_lock, flags);
8090 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8091 if (ipatoe->proto != new->proto)
8093 if (!memcmp(ipatoe->addr, new->addr,
8094 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8095 (ipatoe->mask_bits == new->mask_bits)){
8096 PRINT_WARN("ipato entry already exists!\n");
8102 list_add_tail(&new->entry, &card->ipato.entries);
8104 spin_unlock_irqrestore(&card->ip_lock, flags);
8109 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8110 u8 *addr, int mask_bits)
8112 struct qeth_ipato_entry *ipatoe, *tmp;
8113 unsigned long flags;
8115 QETH_DBF_TEXT(trace, 2, "delipato");
8116 spin_lock_irqsave(&card->ip_lock, flags);
8117 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8118 if (ipatoe->proto != proto)
8120 if (!memcmp(ipatoe->addr, addr,
8121 (proto == QETH_PROT_IPV4)? 4:16) &&
8122 (ipatoe->mask_bits == mask_bits)){
8123 list_del(&ipatoe->entry);
8127 spin_unlock_irqrestore(&card->ip_lock, flags);
8131 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8136 for (i = 0; i < len; ++i){
8138 for (j = 7; j >= 0; --j){
8139 bits[i*8 + j] = octet & 1;
8146 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8148 struct qeth_ipato_entry *ipatoe;
8149 u8 addr_bits[128] = {0, };
8150 u8 ipatoe_bits[128] = {0, };
8153 if (!card->ipato.enabled)
8156 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8157 (addr->proto == QETH_PROT_IPV4)? 4:16);
8158 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8159 if (addr->proto != ipatoe->proto)
8161 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8162 (ipatoe->proto==QETH_PROT_IPV4) ?
8164 if (addr->proto == QETH_PROT_IPV4)
8165 rc = !memcmp(addr_bits, ipatoe_bits,
8166 min(32, ipatoe->mask_bits));
8168 rc = !memcmp(addr_bits, ipatoe_bits,
8169 min(128, ipatoe->mask_bits));
8174 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8176 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8183 * VIPA related functions
8186 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8189 struct qeth_ipaddr *ipaddr;
8190 unsigned long flags;
8193 ipaddr = qeth_get_addr_buffer(proto);
8195 if (proto == QETH_PROT_IPV4){
8196 QETH_DBF_TEXT(trace, 2, "addvipa4");
8197 memcpy(&ipaddr->u.a4.addr, addr, 4);
8198 ipaddr->u.a4.mask = 0;
8199 #ifdef CONFIG_QETH_IPV6
8200 } else if (proto == QETH_PROT_IPV6){
8201 QETH_DBF_TEXT(trace, 2, "addvipa6");
8202 memcpy(&ipaddr->u.a6.addr, addr, 16);
8203 ipaddr->u.a6.pfxlen = 0;
8206 ipaddr->type = QETH_IP_TYPE_VIPA;
8207 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8208 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8211 spin_lock_irqsave(&card->ip_lock, flags);
8212 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8213 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8215 spin_unlock_irqrestore(&card->ip_lock, flags);
8217 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8220 if (!qeth_add_ip(card, ipaddr))
8222 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8223 schedule_work(&card->kernel_thread_starter);
8228 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8231 struct qeth_ipaddr *ipaddr;
8233 ipaddr = qeth_get_addr_buffer(proto);
8235 if (proto == QETH_PROT_IPV4){
8236 QETH_DBF_TEXT(trace, 2, "delvipa4");
8237 memcpy(&ipaddr->u.a4.addr, addr, 4);
8238 ipaddr->u.a4.mask = 0;
8239 #ifdef CONFIG_QETH_IPV6
8240 } else if (proto == QETH_PROT_IPV6){
8241 QETH_DBF_TEXT(trace, 2, "delvipa6");
8242 memcpy(&ipaddr->u.a6.addr, addr, 16);
8243 ipaddr->u.a6.pfxlen = 0;
8246 ipaddr->type = QETH_IP_TYPE_VIPA;
8249 if (!qeth_delete_ip(card, ipaddr))
8251 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8252 schedule_work(&card->kernel_thread_starter);
8256 * proxy ARP related functions
8259 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8262 struct qeth_ipaddr *ipaddr;
8263 unsigned long flags;
8266 ipaddr = qeth_get_addr_buffer(proto);
8268 if (proto == QETH_PROT_IPV4){
8269 QETH_DBF_TEXT(trace, 2, "addrxip4");
8270 memcpy(&ipaddr->u.a4.addr, addr, 4);
8271 ipaddr->u.a4.mask = 0;
8272 #ifdef CONFIG_QETH_IPV6
8273 } else if (proto == QETH_PROT_IPV6){
8274 QETH_DBF_TEXT(trace, 2, "addrxip6");
8275 memcpy(&ipaddr->u.a6.addr, addr, 16);
8276 ipaddr->u.a6.pfxlen = 0;
8279 ipaddr->type = QETH_IP_TYPE_RXIP;
8280 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8281 ipaddr->del_flags = 0;
8284 spin_lock_irqsave(&card->ip_lock, flags);
8285 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8286 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8288 spin_unlock_irqrestore(&card->ip_lock, flags);
8290 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8293 if (!qeth_add_ip(card, ipaddr))
8295 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8296 schedule_work(&card->kernel_thread_starter);
8301 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8304 struct qeth_ipaddr *ipaddr;
8306 ipaddr = qeth_get_addr_buffer(proto);
8308 if (proto == QETH_PROT_IPV4){
8309 QETH_DBF_TEXT(trace, 2, "addrxip4");
8310 memcpy(&ipaddr->u.a4.addr, addr, 4);
8311 ipaddr->u.a4.mask = 0;
8312 #ifdef CONFIG_QETH_IPV6
8313 } else if (proto == QETH_PROT_IPV6){
8314 QETH_DBF_TEXT(trace, 2, "addrxip6");
8315 memcpy(&ipaddr->u.a6.addr, addr, 16);
8316 ipaddr->u.a6.pfxlen = 0;
8319 ipaddr->type = QETH_IP_TYPE_RXIP;
8322 if (!qeth_delete_ip(card, ipaddr))
8324 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8325 schedule_work(&card->kernel_thread_starter);
8332 qeth_ip_event(struct notifier_block *this,
8333 unsigned long event,void *ptr)
8335 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8336 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8337 struct qeth_ipaddr *addr;
8338 struct qeth_card *card;
8340 QETH_DBF_TEXT(trace,3,"ipevent");
8341 card = qeth_get_card_from_dev(dev);
8344 if (card->options.layer2)
8347 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8349 addr->u.a4.addr = ifa->ifa_address;
8350 addr->u.a4.mask = ifa->ifa_mask;
8351 addr->type = QETH_IP_TYPE_NORMAL;
8357 if (!qeth_add_ip(card, addr))
8361 if (!qeth_delete_ip(card, addr))
8367 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8368 schedule_work(&card->kernel_thread_starter);
8373 static struct notifier_block qeth_ip_notifier = {
8378 #ifdef CONFIG_QETH_IPV6
8380 * IPv6 event handler
8383 qeth_ip6_event(struct notifier_block *this,
8384 unsigned long event,void *ptr)
8387 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8388 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8389 struct qeth_ipaddr *addr;
8390 struct qeth_card *card;
8392 QETH_DBF_TEXT(trace,3,"ip6event");
8394 card = qeth_get_card_from_dev(dev);
8397 if (!qeth_is_supported(card, IPA_IPV6))
8400 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8402 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8403 addr->u.a6.pfxlen = ifa->prefix_len;
8404 addr->type = QETH_IP_TYPE_NORMAL;
8410 if (!qeth_add_ip(card, addr))
8414 if (!qeth_delete_ip(card, addr))
8420 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8421 schedule_work(&card->kernel_thread_starter);
8426 static struct notifier_block qeth_ip6_notifier = {
8433 __qeth_reboot_event_card(struct device *dev, void *data)
8435 struct qeth_card *card;
8437 card = (struct qeth_card *) dev->driver_data;
8438 qeth_clear_ip_list(card, 0, 0);
8439 qeth_qdio_clear_card(card, 0);
8444 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8447 driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8448 __qeth_reboot_event_card);
8453 static struct notifier_block qeth_reboot_notifier = {
8459 qeth_register_notifiers(void)
8463 QETH_DBF_TEXT(trace,5,"regnotif");
8464 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8466 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8468 #ifdef CONFIG_QETH_IPV6
8469 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8474 #ifdef CONFIG_QETH_IPV6
8476 unregister_inetaddr_notifier(&qeth_ip_notifier);
8479 unregister_reboot_notifier(&qeth_reboot_notifier);
8484 * unregister all event notifiers
8487 qeth_unregister_notifiers(void)
8490 QETH_DBF_TEXT(trace,5,"unregnot");
8491 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8492 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8493 #ifdef CONFIG_QETH_IPV6
8494 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8495 #endif /* QETH_IPV6 */
8499 #ifdef CONFIG_QETH_IPV6
8501 qeth_ipv6_init(void)
8503 qeth_old_arp_constructor = arp_tbl.constructor;
8504 write_lock(&arp_tbl.lock);
8505 arp_tbl.constructor = qeth_arp_constructor;
8506 write_unlock(&arp_tbl.lock);
8508 arp_direct_ops = (struct neigh_ops*)
8509 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8510 if (!arp_direct_ops)
8513 memcpy(arp_direct_ops, &arp_direct_ops_template,
8514 sizeof(struct neigh_ops));
8520 qeth_ipv6_uninit(void)
8522 write_lock(&arp_tbl.lock);
8523 arp_tbl.constructor = qeth_old_arp_constructor;
8524 write_unlock(&arp_tbl.lock);
8525 kfree(arp_direct_ops);
8527 #endif /* CONFIG_QETH_IPV6 */
8530 qeth_sysfs_unregister(void)
8532 qeth_remove_driver_attributes();
8533 ccw_driver_unregister(&qeth_ccw_driver);
8534 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8535 s390_root_dev_unregister(qeth_root_dev);
8538 * register qeth at sysfs
8541 qeth_sysfs_register(void)
8545 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8548 rc = ccw_driver_register(&qeth_ccw_driver);
8551 rc = qeth_create_driver_attributes();
8554 qeth_root_dev = s390_root_dev_register("qeth");
8555 if (IS_ERR(qeth_root_dev)) {
8556 rc = PTR_ERR(qeth_root_dev);
8570 PRINT_INFO("loading %s\n", version);
8572 INIT_LIST_HEAD(&qeth_card_list.list);
8573 INIT_LIST_HEAD(&qeth_notify_list);
8574 spin_lock_init(&qeth_notify_lock);
8575 rwlock_init(&qeth_card_list.rwlock);
8577 if (qeth_register_dbf_views())
8579 if (qeth_sysfs_register())
8582 #ifdef CONFIG_QETH_IPV6
8583 if (qeth_ipv6_init()) {
8584 PRINT_ERR("Out of memory during ipv6 init.\n");
8587 #endif /* QETH_IPV6 */
8588 if (qeth_register_notifiers())
8590 if (qeth_create_procfs_entries())
8596 qeth_unregister_notifiers();
8598 #ifdef CONFIG_QETH_IPV6
8600 #endif /* QETH_IPV6 */
8602 qeth_sysfs_unregister();
8603 qeth_unregister_dbf_views();
8605 PRINT_ERR("Initialization failed");
8610 __exit qeth_exit(void)
8612 struct qeth_card *card, *tmp;
8613 unsigned long flags;
8615 QETH_DBF_TEXT(trace,1, "cleanup.");
8618 * Weed would not need to clean up our devices here, because the
8619 * common device layer calls qeth_remove_device for each device
8620 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8621 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8622 * qeth_remove_device called by the common device layer would otherwise
8623 * do a "hard" shutdown (card->use_hard_stop is set to one in
8624 * qeth_remove_device).
8627 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8628 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8629 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8630 qeth_set_offline(card->gdev);
8631 qeth_remove_device(card->gdev);
8634 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8635 #ifdef CONFIG_QETH_IPV6
8638 qeth_unregister_notifiers();
8639 qeth_remove_procfs_entries();
8640 qeth_sysfs_unregister();
8641 qeth_unregister_dbf_views();
8642 printk("qeth: removed\n");
8645 EXPORT_SYMBOL(qeth_osn_register);
8646 EXPORT_SYMBOL(qeth_osn_deregister);
8647 EXPORT_SYMBOL(qeth_osn_assist);
8648 module_init(qeth_init);
8649 module_exit(qeth_exit);
8650 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8651 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8652 "Copyright 2000,2003 IBM Corporation\n");
8654 MODULE_LICENSE("GPL");