2 * linux/drivers/s390/net/qeth_main.c
4 * Linux on zSeries OSA Express and HiperSockets support
6 * Copyright 2000,2003 IBM Corporation
8 * Author(s): Original Code written by
9 * Utz Bacher (utz.bacher@de.ibm.com)
11 * Frank Pavlic (fpavlic@de.ibm.com) and
12 * Thomas Spatzier <tspat@de.ibm.com>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2, or (at your option)
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <linux/module.h>
31 #include <linux/moduleparam.h>
32 #include <linux/string.h>
33 #include <linux/errno.h>
36 #include <linux/inetdevice.h>
37 #include <linux/netdevice.h>
38 #include <linux/sched.h>
39 #include <linux/workqueue.h>
40 #include <linux/kernel.h>
41 #include <linux/slab.h>
42 #include <linux/interrupt.h>
43 #include <linux/tcp.h>
44 #include <linux/icmp.h>
45 #include <linux/skbuff.h>
47 #include <linux/igmp.h>
48 #include <linux/init.h>
49 #include <linux/reboot.h>
50 #include <linux/mii.h>
51 #include <linux/rcupdate.h>
52 #include <linux/ethtool.h>
56 #include <net/route.h>
58 #include <asm/ebcdic.h>
61 #include <asm/timex.h>
62 #include <asm/semaphore.h>
63 #include <asm/uaccess.h>
64 #include <asm/s390_rdev.h>
69 #include "qeth_eddp.h"
72 static const char *version = "qeth S/390 OSA-Express driver";
75 * Debug Facility Stuff
77 static debug_info_t *qeth_dbf_setup = NULL;
78 static debug_info_t *qeth_dbf_data = NULL;
79 static debug_info_t *qeth_dbf_misc = NULL;
80 static debug_info_t *qeth_dbf_control = NULL;
81 debug_info_t *qeth_dbf_trace = NULL;
82 static debug_info_t *qeth_dbf_sense = NULL;
83 static debug_info_t *qeth_dbf_qerr = NULL;
85 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
87 static struct lock_class_key qdio_out_skb_queue_key;
90 * some more definitions and declarations
92 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
94 /* list of our cards */
95 struct qeth_card_list_struct qeth_card_list;
96 /*process list want to be notified*/
97 spinlock_t qeth_notify_lock;
98 struct list_head qeth_notify_list;
100 static void qeth_send_control_data_cb(struct qeth_channel *,
101 struct qeth_cmd_buffer *);
104 * here we go with function implementation
107 qeth_init_qdio_info(struct qeth_card *card);
110 qeth_init_qdio_queues(struct qeth_card *card);
113 qeth_alloc_qdio_buffers(struct qeth_card *card);
116 qeth_free_qdio_buffers(struct qeth_card *);
119 qeth_clear_qdio_buffers(struct qeth_card *);
122 qeth_clear_ip_list(struct qeth_card *, int, int);
125 qeth_clear_ipacmd_list(struct qeth_card *);
128 qeth_qdio_clear_card(struct qeth_card *, int);
131 qeth_clear_working_pool_list(struct qeth_card *);
134 qeth_clear_cmd_buffers(struct qeth_channel *);
137 qeth_stop(struct net_device *);
140 qeth_clear_ipato_list(struct qeth_card *);
143 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
146 qeth_irq_tasklet(unsigned long);
149 qeth_set_online(struct ccwgroup_device *);
152 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode);
154 static struct qeth_ipaddr *
155 qeth_get_addr_buffer(enum qeth_prot_versions);
158 qeth_set_multicast_list(struct net_device *);
161 qeth_setadp_promisc_mode(struct qeth_card *);
164 qeth_notify_processes(void)
166 /*notify all registered processes */
167 struct qeth_notify_list_struct *n_entry;
169 QETH_DBF_TEXT(trace,3,"procnoti");
170 spin_lock(&qeth_notify_lock);
171 list_for_each_entry(n_entry, &qeth_notify_list, list) {
172 send_sig(n_entry->signum, n_entry->task, 1);
174 spin_unlock(&qeth_notify_lock);
178 qeth_notifier_unregister(struct task_struct *p)
180 struct qeth_notify_list_struct *n_entry, *tmp;
182 QETH_DBF_TEXT(trace, 2, "notunreg");
183 spin_lock(&qeth_notify_lock);
184 list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
185 if (n_entry->task == p) {
186 list_del(&n_entry->list);
192 spin_unlock(&qeth_notify_lock);
196 qeth_notifier_register(struct task_struct *p, int signum)
198 struct qeth_notify_list_struct *n_entry;
200 /*check first if entry already exists*/
201 spin_lock(&qeth_notify_lock);
202 list_for_each_entry(n_entry, &qeth_notify_list, list) {
203 if (n_entry->task == p) {
204 n_entry->signum = signum;
205 spin_unlock(&qeth_notify_lock);
209 spin_unlock(&qeth_notify_lock);
211 n_entry = (struct qeth_notify_list_struct *)
212 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
216 n_entry->signum = signum;
217 spin_lock(&qeth_notify_lock);
218 list_add(&n_entry->list,&qeth_notify_list);
219 spin_unlock(&qeth_notify_lock);
225 * free channel command buffers
228 qeth_clean_channel(struct qeth_channel *channel)
232 QETH_DBF_TEXT(setup, 2, "freech");
233 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
234 kfree(channel->iob[cnt].data);
241 qeth_free_card(struct qeth_card *card)
244 QETH_DBF_TEXT(setup, 2, "freecrd");
245 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
246 qeth_clean_channel(&card->read);
247 qeth_clean_channel(&card->write);
249 free_netdev(card->dev);
250 qeth_clear_ip_list(card, 0, 0);
251 qeth_clear_ipato_list(card);
252 kfree(card->ip_tbd_list);
253 qeth_free_qdio_buffers(card);
258 * alloc memory for command buffer per channel
261 qeth_setup_channel(struct qeth_channel *channel)
265 QETH_DBF_TEXT(setup, 2, "setupch");
266 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
267 channel->iob[cnt].data = (char *)
268 kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
269 if (channel->iob[cnt].data == NULL)
271 channel->iob[cnt].state = BUF_STATE_FREE;
272 channel->iob[cnt].channel = channel;
273 channel->iob[cnt].callback = qeth_send_control_data_cb;
274 channel->iob[cnt].rc = 0;
276 if (cnt < QETH_CMD_BUFFER_NO) {
278 kfree(channel->iob[cnt].data);
282 channel->io_buf_no = 0;
283 atomic_set(&channel->irq_pending, 0);
284 spin_lock_init(&channel->iob_lock);
286 init_waitqueue_head(&channel->wait_q);
287 channel->irq_tasklet.data = (unsigned long) channel;
288 channel->irq_tasklet.func = qeth_irq_tasklet;
293 * alloc memory for card structure
295 static struct qeth_card *
296 qeth_alloc_card(void)
298 struct qeth_card *card;
300 QETH_DBF_TEXT(setup, 2, "alloccrd");
301 card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
304 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
305 if (qeth_setup_channel(&card->read)) {
309 if (qeth_setup_channel(&card->write)) {
310 qeth_clean_channel(&card->read);
318 __qeth_check_irb_error(struct ccw_device *cdev, unsigned long intparm,
324 switch (PTR_ERR(irb)) {
326 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
327 QETH_DBF_TEXT(trace, 2, "ckirberr");
328 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
331 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
332 QETH_DBF_TEXT(trace, 2, "ckirberr");
333 QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT);
334 if (intparm == QETH_RCD_PARM) {
335 struct qeth_card *card = CARD_FROM_CDEV(cdev);
337 if (card && (card->data.ccwdev == cdev)) {
338 card->data.state = CH_STATE_DOWN;
339 wake_up(&card->wait_q);
344 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
346 QETH_DBF_TEXT(trace, 2, "ckirberr");
347 QETH_DBF_TEXT(trace, 2, " rc???");
353 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
358 sense = (char *) irb->ecw;
359 cstat = irb->scsw.cstat;
360 dstat = irb->scsw.dstat;
362 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
363 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
364 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
365 QETH_DBF_TEXT(trace,2, "CGENCHK");
366 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
367 cdev->dev.bus_id, dstat, cstat);
368 HEXDUMP16(WARN, "irb: ", irb);
369 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
373 if (dstat & DEV_STAT_UNIT_CHECK) {
374 if (sense[SENSE_RESETTING_EVENT_BYTE] &
375 SENSE_RESETTING_EVENT_FLAG) {
376 QETH_DBF_TEXT(trace,2,"REVIND");
379 if (sense[SENSE_COMMAND_REJECT_BYTE] &
380 SENSE_COMMAND_REJECT_FLAG) {
381 QETH_DBF_TEXT(trace,2,"CMDREJi");
384 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
385 QETH_DBF_TEXT(trace,2,"AFFE");
388 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
389 QETH_DBF_TEXT(trace,2,"ZEROSEN");
392 QETH_DBF_TEXT(trace,2,"DGENCHK");
397 static int qeth_issue_next_read(struct qeth_card *);
403 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
407 struct qeth_cmd_buffer *buffer;
408 struct qeth_channel *channel;
409 struct qeth_card *card;
411 QETH_DBF_TEXT(trace,5,"irq");
413 if (__qeth_check_irb_error(cdev, intparm, irb))
415 cstat = irb->scsw.cstat;
416 dstat = irb->scsw.dstat;
418 card = CARD_FROM_CDEV(cdev);
422 if (card->read.ccwdev == cdev){
423 channel = &card->read;
424 QETH_DBF_TEXT(trace,5,"read");
425 } else if (card->write.ccwdev == cdev) {
426 channel = &card->write;
427 QETH_DBF_TEXT(trace,5,"write");
429 channel = &card->data;
430 QETH_DBF_TEXT(trace,5,"data");
432 atomic_set(&channel->irq_pending, 0);
434 if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
435 channel->state = CH_STATE_STOPPED;
437 if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
438 channel->state = CH_STATE_HALTED;
440 /*let's wake up immediately on data channel*/
441 if ((channel == &card->data) && (intparm != 0) &&
442 (intparm != QETH_RCD_PARM))
445 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
446 QETH_DBF_TEXT(trace, 6, "clrchpar");
447 /* we don't have to handle this further */
450 if (intparm == QETH_HALT_CHANNEL_PARM) {
451 QETH_DBF_TEXT(trace, 6, "hltchpar");
452 /* we don't have to handle this further */
455 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
456 (dstat & DEV_STAT_UNIT_CHECK) ||
458 if (irb->esw.esw0.erw.cons) {
459 /* TODO: we should make this s390dbf */
460 PRINT_WARN("sense data available on channel %s.\n",
461 CHANNEL_ID(channel));
462 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
463 HEXDUMP16(WARN,"irb: ",irb);
464 HEXDUMP16(WARN,"sense data: ",irb->ecw);
466 if (intparm == QETH_RCD_PARM) {
467 channel->state = CH_STATE_DOWN;
470 rc = qeth_get_problem(cdev,irb);
472 qeth_schedule_recovery(card);
477 if (intparm == QETH_RCD_PARM) {
478 channel->state = CH_STATE_RCD_DONE;
482 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
483 buffer->state = BUF_STATE_PROCESSED;
485 if (channel == &card->data)
488 if (channel == &card->read &&
489 channel->state == CH_STATE_UP)
490 qeth_issue_next_read(card);
492 qeth_irq_tasklet((unsigned long)channel);
495 wake_up(&card->wait_q);
499 * tasklet function scheduled from irq handler
502 qeth_irq_tasklet(unsigned long data)
504 struct qeth_card *card;
505 struct qeth_channel *channel;
506 struct qeth_cmd_buffer *iob;
509 QETH_DBF_TEXT(trace,5,"irqtlet");
510 channel = (struct qeth_channel *) data;
512 index = channel->buf_no;
513 card = CARD_FROM_CDEV(channel->ccwdev);
514 while (iob[index].state == BUF_STATE_PROCESSED) {
515 if (iob[index].callback !=NULL) {
516 iob[index].callback(channel,iob + index);
518 index = (index + 1) % QETH_CMD_BUFFER_NO;
520 channel->buf_no = index;
521 wake_up(&card->wait_q);
524 static int qeth_stop_card(struct qeth_card *, int);
527 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
529 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
530 int rc = 0, rc2 = 0, rc3 = 0;
531 enum qeth_card_states recover_flag;
533 QETH_DBF_TEXT(setup, 3, "setoffl");
534 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
536 if (card->dev && netif_carrier_ok(card->dev))
537 netif_carrier_off(card->dev);
538 recover_flag = card->state;
539 if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
540 PRINT_WARN("Stopping card %s interrupted by user!\n",
544 rc = ccw_device_set_offline(CARD_DDEV(card));
545 rc2 = ccw_device_set_offline(CARD_WDEV(card));
546 rc3 = ccw_device_set_offline(CARD_RDEV(card));
548 rc = (rc2) ? rc2 : rc3;
550 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
551 if (recover_flag == CARD_STATE_UP)
552 card->state = CARD_STATE_RECOVER;
553 qeth_notify_processes();
558 qeth_set_offline(struct ccwgroup_device *cgdev)
560 return __qeth_set_offline(cgdev, 0);
564 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads);
568 qeth_remove_device(struct ccwgroup_device *cgdev)
570 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
573 QETH_DBF_TEXT(setup, 3, "rmdev");
574 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
579 if (qeth_wait_for_threads(card, 0xffffffff))
582 if (cgdev->state == CCWGROUP_ONLINE){
583 card->use_hard_stop = 1;
584 qeth_set_offline(cgdev);
586 /* remove form our internal list */
587 write_lock_irqsave(&qeth_card_list.rwlock, flags);
588 list_del(&card->list);
589 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
591 unregister_netdev(card->dev);
592 qeth_remove_device_attributes(&cgdev->dev);
593 qeth_free_card(card);
594 cgdev->dev.driver_data = NULL;
595 put_device(&cgdev->dev);
599 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
601 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
604 * Add/remove address to/from card's ip list, i.e. try to add or remove
605 * reference to/from an IP address that is already registered on the card.
607 * 0 address was on card and its reference count has been adjusted,
608 * but is still > 0, so nothing has to be done
609 * also returns 0 if card was not on card and the todo was to delete
610 * the address -> there is also nothing to be done
611 * 1 address was not on card and the todo is to add it to the card's ip
613 * -1 address was on card and its reference count has been decremented
614 * to <= 0 by the todo -> address must be removed from card
617 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
618 struct qeth_ipaddr **__addr)
620 struct qeth_ipaddr *addr;
623 list_for_each_entry(addr, &card->ip_list, entry) {
624 if (card->options.layer2) {
625 if ((addr->type == todo->type) &&
626 (memcmp(&addr->mac, &todo->mac,
627 OSA_ADDR_LEN) == 0)) {
633 if ((addr->proto == QETH_PROT_IPV4) &&
634 (todo->proto == QETH_PROT_IPV4) &&
635 (addr->type == todo->type) &&
636 (addr->u.a4.addr == todo->u.a4.addr) &&
637 (addr->u.a4.mask == todo->u.a4.mask)) {
641 if ((addr->proto == QETH_PROT_IPV6) &&
642 (todo->proto == QETH_PROT_IPV6) &&
643 (addr->type == todo->type) &&
644 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
645 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
646 sizeof(struct in6_addr)) == 0)) {
652 addr->users += todo->users;
653 if (addr->users <= 0){
657 /* for VIPA and RXIP limit refcount to 1 */
658 if (addr->type != QETH_IP_TYPE_NORMAL)
663 if (todo->users > 0) {
664 /* for VIPA and RXIP limit refcount to 1 */
665 if (todo->type != QETH_IP_TYPE_NORMAL)
673 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
676 struct qeth_ipaddr *tmp;
678 list_for_each_entry(tmp, list, entry) {
679 if ((tmp->proto == QETH_PROT_IPV4) &&
680 (addr->proto == QETH_PROT_IPV4) &&
681 ((same_type && (tmp->type == addr->type)) ||
682 (!same_type && (tmp->type != addr->type)) ) &&
683 (tmp->u.a4.addr == addr->u.a4.addr) ){
686 if ((tmp->proto == QETH_PROT_IPV6) &&
687 (addr->proto == QETH_PROT_IPV6) &&
688 ((same_type && (tmp->type == addr->type)) ||
689 (!same_type && (tmp->type != addr->type)) ) &&
690 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
691 sizeof(struct in6_addr)) == 0) ) {
699 * Add IP to be added to todo list. If there is already an "add todo"
700 * in this list we just incremenent the reference count.
701 * Returns 0 if we just incremented reference count.
704 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
706 struct qeth_ipaddr *tmp, *t;
709 list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
710 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
711 (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
713 if (card->options.layer2) {
714 if ((tmp->type == addr->type) &&
715 (tmp->is_multicast == addr->is_multicast) &&
716 (memcmp(&tmp->mac, &addr->mac,
717 OSA_ADDR_LEN) == 0)) {
723 if ((tmp->proto == QETH_PROT_IPV4) &&
724 (addr->proto == QETH_PROT_IPV4) &&
725 (tmp->type == addr->type) &&
726 (tmp->is_multicast == addr->is_multicast) &&
727 (tmp->u.a4.addr == addr->u.a4.addr) &&
728 (tmp->u.a4.mask == addr->u.a4.mask)) {
732 if ((tmp->proto == QETH_PROT_IPV6) &&
733 (addr->proto == QETH_PROT_IPV6) &&
734 (tmp->type == addr->type) &&
735 (tmp->is_multicast == addr->is_multicast) &&
736 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
737 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
738 sizeof(struct in6_addr)) == 0)) {
744 if (addr->users != 0)
745 tmp->users += addr->users;
747 tmp->users += add? 1:-1;
748 if (tmp->users == 0) {
749 list_del(&tmp->entry);
754 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
755 list_add(&addr->entry, card->ip_tbd_list);
757 if (addr->users == 0)
758 addr->users += add? 1:-1;
759 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
760 qeth_is_addr_covered_by_ipato(card, addr)){
761 QETH_DBF_TEXT(trace, 2, "tkovaddr");
762 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
764 list_add_tail(&addr->entry, card->ip_tbd_list);
771 * Remove IP address from list
774 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
779 QETH_DBF_TEXT(trace, 4, "delip");
781 if (card->options.layer2)
782 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
783 else if (addr->proto == QETH_PROT_IPV4)
784 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
786 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
787 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
789 spin_lock_irqsave(&card->ip_lock, flags);
790 rc = __qeth_insert_ip_todo(card, addr, 0);
791 spin_unlock_irqrestore(&card->ip_lock, flags);
796 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
801 QETH_DBF_TEXT(trace, 4, "addip");
802 if (card->options.layer2)
803 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
804 else if (addr->proto == QETH_PROT_IPV4)
805 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
807 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
808 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
810 spin_lock_irqsave(&card->ip_lock, flags);
811 rc = __qeth_insert_ip_todo(card, addr, 1);
812 spin_unlock_irqrestore(&card->ip_lock, flags);
817 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
819 struct qeth_ipaddr *addr, *tmp;
822 list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
823 if (addr->is_multicast) {
824 spin_unlock_irqrestore(&card->ip_lock, *flags);
825 rc = qeth_deregister_addr_entry(card, addr);
826 spin_lock_irqsave(&card->ip_lock, *flags);
828 list_del(&addr->entry);
837 qeth_set_ip_addr_list(struct qeth_card *card)
839 struct list_head *tbd_list;
840 struct qeth_ipaddr *todo, *addr;
844 QETH_DBF_TEXT(trace, 2, "sdiplist");
845 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
847 spin_lock_irqsave(&card->ip_lock, flags);
848 tbd_list = card->ip_tbd_list;
849 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
850 if (!card->ip_tbd_list) {
851 QETH_DBF_TEXT(trace, 0, "silnomem");
852 card->ip_tbd_list = tbd_list;
853 spin_unlock_irqrestore(&card->ip_lock, flags);
856 INIT_LIST_HEAD(card->ip_tbd_list);
858 while (!list_empty(tbd_list)){
859 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
860 list_del(&todo->entry);
861 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
862 __qeth_delete_all_mc(card, &flags);
866 rc = __qeth_ref_ip_on_card(card, todo, &addr);
868 /* nothing to be done; only adjusted refcount */
870 } else if (rc == 1) {
871 /* new entry to be added to on-card list */
872 spin_unlock_irqrestore(&card->ip_lock, flags);
873 rc = qeth_register_addr_entry(card, todo);
874 spin_lock_irqsave(&card->ip_lock, flags);
876 list_add_tail(&todo->entry, &card->ip_list);
879 } else if (rc == -1) {
880 /* on-card entry to be removed */
881 list_del_init(&addr->entry);
882 spin_unlock_irqrestore(&card->ip_lock, flags);
883 rc = qeth_deregister_addr_entry(card, addr);
884 spin_lock_irqsave(&card->ip_lock, flags);
888 list_add_tail(&addr->entry, &card->ip_list);
892 spin_unlock_irqrestore(&card->ip_lock, flags);
896 static void qeth_delete_mc_addresses(struct qeth_card *);
897 static void qeth_add_multicast_ipv4(struct qeth_card *);
898 static void qeth_layer2_add_multicast(struct qeth_card *);
899 #ifdef CONFIG_QETH_IPV6
900 static void qeth_add_multicast_ipv6(struct qeth_card *);
904 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
908 spin_lock_irqsave(&card->thread_mask_lock, flags);
909 if ( !(card->thread_allowed_mask & thread) ||
910 (card->thread_start_mask & thread) ) {
911 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
914 card->thread_start_mask |= thread;
915 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
920 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
924 spin_lock_irqsave(&card->thread_mask_lock, flags);
925 card->thread_start_mask &= ~thread;
926 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
927 wake_up(&card->wait_q);
931 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
935 spin_lock_irqsave(&card->thread_mask_lock, flags);
936 card->thread_running_mask &= ~thread;
937 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
938 wake_up(&card->wait_q);
942 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
947 spin_lock_irqsave(&card->thread_mask_lock, flags);
948 if (card->thread_start_mask & thread){
949 if ((card->thread_allowed_mask & thread) &&
950 !(card->thread_running_mask & thread)){
952 card->thread_start_mask &= ~thread;
953 card->thread_running_mask |= thread;
957 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
962 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
966 wait_event(card->wait_q,
967 (rc = __qeth_do_run_thread(card, thread)) >= 0);
972 qeth_recover(void *ptr)
974 struct qeth_card *card;
977 card = (struct qeth_card *) ptr;
978 daemonize("qeth_recover");
979 QETH_DBF_TEXT(trace,2,"recover1");
980 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
981 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
983 QETH_DBF_TEXT(trace,2,"recover2");
984 PRINT_WARN("Recovery of device %s started ...\n",
986 card->use_hard_stop = 1;
987 __qeth_set_offline(card->gdev,1);
988 rc = __qeth_set_online(card->gdev,1);
989 /* don't run another scheduled recovery */
990 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
991 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
993 PRINT_INFO("Device %s successfully recovered!\n",
996 PRINT_INFO("Device %s could not be recovered!\n",
1002 qeth_schedule_recovery(struct qeth_card *card)
1004 QETH_DBF_TEXT(trace,2,"startrec");
1005 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
1006 schedule_work(&card->kernel_thread_starter);
1010 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1012 unsigned long flags;
1015 spin_lock_irqsave(&card->thread_mask_lock, flags);
1016 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
1017 (u8) card->thread_start_mask,
1018 (u8) card->thread_allowed_mask,
1019 (u8) card->thread_running_mask);
1020 rc = (card->thread_start_mask & thread);
1021 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1026 qeth_start_kernel_thread(struct work_struct *work)
1028 struct qeth_card *card = container_of(work, struct qeth_card, kernel_thread_starter);
1029 QETH_DBF_TEXT(trace , 2, "strthrd");
1031 if (card->read.state != CH_STATE_UP &&
1032 card->write.state != CH_STATE_UP)
1034 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1035 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1040 qeth_set_intial_options(struct qeth_card *card)
1042 card->options.route4.type = NO_ROUTER;
1043 #ifdef CONFIG_QETH_IPV6
1044 card->options.route6.type = NO_ROUTER;
1045 #endif /* QETH_IPV6 */
1046 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1047 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1048 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1049 card->options.fake_broadcast = 0;
1050 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1051 card->options.fake_ll = 0;
1052 if (card->info.type == QETH_CARD_TYPE_OSN)
1053 card->options.layer2 = 1;
1055 card->options.layer2 = 0;
1056 card->options.performance_stats = 0;
1057 card->options.rx_sg_cb = QETH_RX_SG_CB;
1061 * initialize channels ,card and all state machines
1064 qeth_setup_card(struct qeth_card *card)
1067 QETH_DBF_TEXT(setup, 2, "setupcrd");
1068 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1070 card->read.state = CH_STATE_DOWN;
1071 card->write.state = CH_STATE_DOWN;
1072 card->data.state = CH_STATE_DOWN;
1073 card->state = CARD_STATE_DOWN;
1074 card->lan_online = 0;
1075 card->use_hard_stop = 0;
1077 #ifdef CONFIG_QETH_VLAN
1078 spin_lock_init(&card->vlanlock);
1079 card->vlangrp = NULL;
1081 spin_lock_init(&card->lock);
1082 spin_lock_init(&card->ip_lock);
1083 spin_lock_init(&card->thread_mask_lock);
1084 card->thread_start_mask = 0;
1085 card->thread_allowed_mask = 0;
1086 card->thread_running_mask = 0;
1087 INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread);
1088 INIT_LIST_HEAD(&card->ip_list);
1089 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1090 if (!card->ip_tbd_list) {
1091 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1094 INIT_LIST_HEAD(card->ip_tbd_list);
1095 INIT_LIST_HEAD(&card->cmd_waiter_list);
1096 init_waitqueue_head(&card->wait_q);
1097 /* intial options */
1098 qeth_set_intial_options(card);
1099 /* IP address takeover */
1100 INIT_LIST_HEAD(&card->ipato.entries);
1101 card->ipato.enabled = 0;
1102 card->ipato.invert4 = 0;
1103 card->ipato.invert6 = 0;
1104 /* init QDIO stuff */
1105 qeth_init_qdio_info(card);
1110 is_1920_device (struct qeth_card *card)
1112 int single_queue = 0;
1113 struct ccw_device *ccwdev;
1114 struct channelPath_dsc {
1125 QETH_DBF_TEXT(setup, 2, "chk_1920");
1127 ccwdev = card->data.ccwdev;
1128 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1129 if (chp_dsc != NULL) {
1130 /* CHPP field bit 6 == 1 -> single queue */
1131 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1134 QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1135 return single_queue;
1139 qeth_determine_card_type(struct qeth_card *card)
1143 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1145 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1146 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1147 while (known_devices[i][4]) {
1148 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1149 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1150 card->info.type = known_devices[i][4];
1151 card->qdio.no_out_queues = known_devices[i][8];
1152 card->info.is_multicast_different = known_devices[i][9];
1153 if (is_1920_device(card)) {
1154 PRINT_INFO("Priority Queueing not able "
1155 "due to hardware limitations!\n");
1156 card->qdio.no_out_queues = 1;
1157 card->qdio.default_out_queue = 0;
1163 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1164 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1169 qeth_probe_device(struct ccwgroup_device *gdev)
1171 struct qeth_card *card;
1173 unsigned long flags;
1176 QETH_DBF_TEXT(setup, 2, "probedev");
1179 if (!get_device(dev))
1182 QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
1184 card = qeth_alloc_card();
1187 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1190 card->read.ccwdev = gdev->cdev[0];
1191 card->write.ccwdev = gdev->cdev[1];
1192 card->data.ccwdev = gdev->cdev[2];
1193 gdev->dev.driver_data = card;
1195 gdev->cdev[0]->handler = qeth_irq;
1196 gdev->cdev[1]->handler = qeth_irq;
1197 gdev->cdev[2]->handler = qeth_irq;
1199 if ((rc = qeth_determine_card_type(card))){
1200 PRINT_WARN("%s: not a valid card type\n", __func__);
1201 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1203 qeth_free_card(card);
1206 if ((rc = qeth_setup_card(card))){
1207 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1209 qeth_free_card(card);
1212 rc = qeth_create_device_attributes(dev);
1215 qeth_free_card(card);
1218 /* insert into our internal list */
1219 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1220 list_add_tail(&card->list, &qeth_card_list.list);
1221 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1226 static int qeth_read_conf_data(struct qeth_card *card, void **buffer,
1232 struct qeth_channel *channel = &card->data;
1233 unsigned long flags;
1236 * scan for RCD command in extended SenseID data
1238 ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD);
1239 if (!ciw || ciw->cmd == 0)
1241 rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
1245 channel->ccw.cmd_code = ciw->cmd;
1246 channel->ccw.cda = (__u32) __pa (rcd_buf);
1247 channel->ccw.count = ciw->count;
1248 channel->ccw.flags = CCW_FLAG_SLI;
1249 channel->state = CH_STATE_RCD;
1250 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1251 ret = ccw_device_start_timeout(channel->ccwdev, &channel->ccw,
1252 QETH_RCD_PARM, LPM_ANYPATH, 0,
1254 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1256 wait_event(card->wait_q,
1257 (channel->state == CH_STATE_RCD_DONE ||
1258 channel->state == CH_STATE_DOWN));
1259 if (channel->state == CH_STATE_DOWN)
1262 channel->state = CH_STATE_DOWN;
1268 *length = ciw->count;
1275 qeth_get_unitaddr(struct qeth_card *card)
1281 QETH_DBF_TEXT(setup, 2, "getunit");
1282 rc = qeth_read_conf_data(card, (void **) &prcd, &length);
1284 PRINT_ERR("qeth_read_conf_data for device %s returned %i\n",
1285 CARD_DDEV_ID(card), rc);
1288 card->info.chpid = prcd[30];
1289 card->info.unit_addr2 = prcd[31];
1290 card->info.cula = prcd[63];
1291 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1292 (prcd[0x11] == _ascebc['M']));
1298 qeth_init_tokens(struct qeth_card *card)
1300 card->token.issuer_rm_w = 0x00010103UL;
1301 card->token.cm_filter_w = 0x00010108UL;
1302 card->token.cm_connection_w = 0x0001010aUL;
1303 card->token.ulp_filter_w = 0x0001010bUL;
1304 card->token.ulp_connection_w = 0x0001010dUL;
1308 raw_devno_from_bus_id(char *id)
1310 id += (strlen(id) - 4);
1311 return (__u16) simple_strtoul(id, &id, 16);
1317 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1319 struct qeth_card *card;
1321 QETH_DBF_TEXT(trace, 4, "setupccw");
1322 card = CARD_FROM_CDEV(channel->ccwdev);
1323 if (channel == &card->read)
1324 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1326 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1327 channel->ccw.count = len;
1328 channel->ccw.cda = (__u32) __pa(iob);
1332 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1334 static struct qeth_cmd_buffer *
1335 __qeth_get_buffer(struct qeth_channel *channel)
1339 QETH_DBF_TEXT(trace, 6, "getbuff");
1340 index = channel->io_buf_no;
1342 if (channel->iob[index].state == BUF_STATE_FREE) {
1343 channel->iob[index].state = BUF_STATE_LOCKED;
1344 channel->io_buf_no = (channel->io_buf_no + 1) %
1346 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1347 return channel->iob + index;
1349 index = (index + 1) % QETH_CMD_BUFFER_NO;
1350 } while(index != channel->io_buf_no);
1356 * release command buffer
1359 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1361 unsigned long flags;
1363 QETH_DBF_TEXT(trace, 6, "relbuff");
1364 spin_lock_irqsave(&channel->iob_lock, flags);
1365 memset(iob->data, 0, QETH_BUFSIZE);
1366 iob->state = BUF_STATE_FREE;
1367 iob->callback = qeth_send_control_data_cb;
1369 spin_unlock_irqrestore(&channel->iob_lock, flags);
1372 static struct qeth_cmd_buffer *
1373 qeth_get_buffer(struct qeth_channel *channel)
1375 struct qeth_cmd_buffer *buffer = NULL;
1376 unsigned long flags;
1378 spin_lock_irqsave(&channel->iob_lock, flags);
1379 buffer = __qeth_get_buffer(channel);
1380 spin_unlock_irqrestore(&channel->iob_lock, flags);
1384 static struct qeth_cmd_buffer *
1385 qeth_wait_for_buffer(struct qeth_channel *channel)
1387 struct qeth_cmd_buffer *buffer;
1388 wait_event(channel->wait_q,
1389 ((buffer = qeth_get_buffer(channel)) != NULL));
1394 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1398 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1399 qeth_release_buffer(channel,&channel->iob[cnt]);
1400 channel->buf_no = 0;
1401 channel->io_buf_no = 0;
1405 * start IDX for read and write channel
1408 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1409 void (*idx_reply_cb)(struct qeth_channel *,
1410 struct qeth_cmd_buffer *))
1412 struct qeth_cmd_buffer *iob;
1413 unsigned long flags;
1415 struct qeth_card *card;
1417 QETH_DBF_TEXT(setup, 2, "idxanswr");
1418 card = CARD_FROM_CDEV(channel->ccwdev);
1419 iob = qeth_get_buffer(channel);
1420 iob->callback = idx_reply_cb;
1421 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1422 channel->ccw.count = QETH_BUFSIZE;
1423 channel->ccw.cda = (__u32) __pa(iob->data);
1425 wait_event(card->wait_q,
1426 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1427 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1428 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1429 rc = ccw_device_start(channel->ccwdev,
1430 &channel->ccw,(addr_t) iob, 0, 0);
1431 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1434 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1435 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1436 atomic_set(&channel->irq_pending, 0);
1437 wake_up(&card->wait_q);
1440 rc = wait_event_interruptible_timeout(card->wait_q,
1441 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1442 if (rc == -ERESTARTSYS)
1444 if (channel->state != CH_STATE_UP){
1446 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1447 qeth_clear_cmd_buffers(channel);
1454 qeth_idx_activate_channel(struct qeth_channel *channel,
1455 void (*idx_reply_cb)(struct qeth_channel *,
1456 struct qeth_cmd_buffer *))
1458 struct qeth_card *card;
1459 struct qeth_cmd_buffer *iob;
1460 unsigned long flags;
1464 card = CARD_FROM_CDEV(channel->ccwdev);
1466 QETH_DBF_TEXT(setup, 2, "idxactch");
1468 iob = qeth_get_buffer(channel);
1469 iob->callback = idx_reply_cb;
1470 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1471 channel->ccw.count = IDX_ACTIVATE_SIZE;
1472 channel->ccw.cda = (__u32) __pa(iob->data);
1473 if (channel == &card->write) {
1474 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1475 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1476 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1477 card->seqno.trans_hdr++;
1479 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1480 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1481 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1483 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1484 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1485 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1486 &card->info.func_level,sizeof(__u16));
1487 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1488 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1489 temp = (card->info.cula << 8) + card->info.unit_addr2;
1490 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1492 wait_event(card->wait_q,
1493 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1494 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1495 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1496 rc = ccw_device_start(channel->ccwdev,
1497 &channel->ccw,(addr_t) iob, 0, 0);
1498 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1501 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1502 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1503 atomic_set(&channel->irq_pending, 0);
1504 wake_up(&card->wait_q);
1507 rc = wait_event_interruptible_timeout(card->wait_q,
1508 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1509 if (rc == -ERESTARTSYS)
1511 if (channel->state != CH_STATE_ACTIVATING) {
1512 PRINT_WARN("qeth: IDX activate timed out!\n");
1513 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1514 qeth_clear_cmd_buffers(channel);
1517 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1521 qeth_peer_func_level(int level)
1523 if ((level & 0xff) == 8)
1524 return (level & 0xff) + 0x400;
1525 if (((level >> 8) & 3) == 1)
1526 return (level & 0xff) + 0x200;
1531 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1533 struct qeth_card *card;
1536 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1538 if (channel->state == CH_STATE_DOWN) {
1539 channel->state = CH_STATE_ACTIVATING;
1542 card = CARD_FROM_CDEV(channel->ccwdev);
1544 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1545 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1546 "reply\n", CARD_WDEV_ID(card));
1549 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1550 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1551 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1552 "function level mismatch "
1553 "(sent: 0x%x, received: 0x%x)\n",
1554 CARD_WDEV_ID(card), card->info.func_level, temp);
1557 channel->state = CH_STATE_UP;
1559 qeth_release_buffer(channel, iob);
1563 qeth_check_idx_response(unsigned char *buffer)
1568 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1569 if ((buffer[2] & 0xc0) == 0xc0) {
1570 PRINT_WARN("received an IDX TERMINATE "
1571 "with cause code 0x%02x%s\n",
1573 ((buffer[4] == 0x22) ?
1574 " -- try another portname" : ""));
1575 QETH_DBF_TEXT(trace, 2, "ckidxres");
1576 QETH_DBF_TEXT(trace, 2, " idxterm");
1577 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1584 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1586 struct qeth_card *card;
1589 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1590 if (channel->state == CH_STATE_DOWN) {
1591 channel->state = CH_STATE_ACTIVATING;
1595 card = CARD_FROM_CDEV(channel->ccwdev);
1596 if (qeth_check_idx_response(iob->data)) {
1599 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1600 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1601 "reply\n", CARD_RDEV_ID(card));
1606 * temporary fix for microcode bug
1607 * to revert it,replace OR by AND
1609 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1610 (card->info.type == QETH_CARD_TYPE_OSAE) )
1611 card->info.portname_required = 1;
1613 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1614 if (temp != qeth_peer_func_level(card->info.func_level)) {
1615 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1616 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1617 CARD_RDEV_ID(card), card->info.func_level, temp);
1620 memcpy(&card->token.issuer_rm_r,
1621 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1622 QETH_MPC_TOKEN_LENGTH);
1623 memcpy(&card->info.mcl_level[0],
1624 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1625 channel->state = CH_STATE_UP;
1627 qeth_release_buffer(channel,iob);
1631 qeth_issue_next_read(struct qeth_card *card)
1634 struct qeth_cmd_buffer *iob;
1636 QETH_DBF_TEXT(trace,5,"issnxrd");
1637 if (card->read.state != CH_STATE_UP)
1639 iob = qeth_get_buffer(&card->read);
1641 PRINT_WARN("issue_next_read failed: no iob available!\n");
1644 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1645 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1646 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1647 (addr_t) iob, 0, 0);
1649 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1650 atomic_set(&card->read.irq_pending, 0);
1651 qeth_schedule_recovery(card);
1652 wake_up(&card->wait_q);
1657 static struct qeth_reply *
1658 qeth_alloc_reply(struct qeth_card *card)
1660 struct qeth_reply *reply;
1662 reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1664 atomic_set(&reply->refcnt, 1);
1665 atomic_set(&reply->received, 0);
1672 qeth_get_reply(struct qeth_reply *reply)
1674 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1675 atomic_inc(&reply->refcnt);
1679 qeth_put_reply(struct qeth_reply *reply)
1681 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1682 if (atomic_dec_and_test(&reply->refcnt))
1687 qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, struct qeth_card *card)
1693 com = cmd->hdr.command;
1694 rc = cmd->hdr.return_code;
1695 ipa_name = qeth_get_ipa_cmd_name(com);
1697 PRINT_ERR("%s(x%X) for %s returned x%X \"%s\"\n", ipa_name, com,
1698 QETH_CARD_IFNAME(card), rc, qeth_get_ipa_msg(rc));
1701 static struct qeth_ipa_cmd *
1702 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1704 struct qeth_ipa_cmd *cmd = NULL;
1706 QETH_DBF_TEXT(trace,5,"chkipad");
1707 if (IS_IPA(iob->data)){
1708 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1709 if (IS_IPA_REPLY(cmd)) {
1710 if (cmd->hdr.return_code)
1711 qeth_issue_ipa_msg(cmd, card);
1715 switch (cmd->hdr.command) {
1716 case IPA_CMD_STOPLAN:
1717 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1718 "there is a network problem or "
1719 "someone pulled the cable or "
1720 "disabled the port.\n",
1721 QETH_CARD_IFNAME(card),
1723 card->lan_online = 0;
1724 if (card->dev && netif_carrier_ok(card->dev))
1725 netif_carrier_off(card->dev);
1727 case IPA_CMD_STARTLAN:
1728 PRINT_INFO("Link reestablished on %s "
1729 "(CHPID 0x%X). Scheduling "
1730 "IP address reset.\n",
1731 QETH_CARD_IFNAME(card),
1733 netif_carrier_on(card->dev);
1734 qeth_schedule_recovery(card);
1736 case IPA_CMD_MODCCID:
1738 case IPA_CMD_REGISTER_LOCAL_ADDR:
1739 QETH_DBF_TEXT(trace,3, "irla");
1741 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1742 QETH_DBF_TEXT(trace,3, "urla");
1745 PRINT_WARN("Received data is IPA "
1746 "but not a reply!\n");
1755 * wake all waiting ipa commands
1758 qeth_clear_ipacmd_list(struct qeth_card *card)
1760 struct qeth_reply *reply, *r;
1761 unsigned long flags;
1763 QETH_DBF_TEXT(trace, 4, "clipalst");
1765 spin_lock_irqsave(&card->lock, flags);
1766 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1767 qeth_get_reply(reply);
1769 atomic_inc(&reply->received);
1770 list_del_init(&reply->list);
1771 wake_up(&reply->wait_q);
1772 qeth_put_reply(reply);
1774 spin_unlock_irqrestore(&card->lock, flags);
1778 qeth_send_control_data_cb(struct qeth_channel *channel,
1779 struct qeth_cmd_buffer *iob)
1781 struct qeth_card *card;
1782 struct qeth_reply *reply, *r;
1783 struct qeth_ipa_cmd *cmd;
1784 unsigned long flags;
1787 QETH_DBF_TEXT(trace,4,"sndctlcb");
1789 card = CARD_FROM_CDEV(channel->ccwdev);
1790 if (qeth_check_idx_response(iob->data)) {
1791 qeth_clear_ipacmd_list(card);
1792 qeth_schedule_recovery(card);
1796 cmd = qeth_check_ipa_data(card, iob);
1797 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1799 /*in case of OSN : check if cmd is set */
1800 if (card->info.type == QETH_CARD_TYPE_OSN &&
1802 cmd->hdr.command != IPA_CMD_STARTLAN &&
1803 card->osn_info.assist_cb != NULL) {
1804 card->osn_info.assist_cb(card->dev, cmd);
1808 spin_lock_irqsave(&card->lock, flags);
1809 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1810 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1811 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1812 qeth_get_reply(reply);
1813 list_del_init(&reply->list);
1814 spin_unlock_irqrestore(&card->lock, flags);
1816 if (reply->callback != NULL) {
1818 reply->offset = (__u16)((char*)cmd -
1820 keep_reply = reply->callback(card,
1822 (unsigned long)cmd);
1824 keep_reply = reply->callback(card,
1826 (unsigned long)iob);
1829 reply->rc = (u16) cmd->hdr.return_code;
1831 reply->rc = iob->rc;
1833 spin_lock_irqsave(&card->lock, flags);
1834 list_add_tail(&reply->list,
1835 &card->cmd_waiter_list);
1836 spin_unlock_irqrestore(&card->lock, flags);
1838 atomic_inc(&reply->received);
1839 wake_up(&reply->wait_q);
1841 qeth_put_reply(reply);
1845 spin_unlock_irqrestore(&card->lock, flags);
1847 memcpy(&card->seqno.pdu_hdr_ack,
1848 QETH_PDU_HEADER_SEQ_NO(iob->data),
1849 QETH_SEQ_NO_LENGTH);
1850 qeth_release_buffer(channel,iob);
1854 qeth_prepare_control_data(struct qeth_card *card, int len,
1855 struct qeth_cmd_buffer *iob)
1857 qeth_setup_ccw(&card->write,iob->data,len);
1858 iob->callback = qeth_release_buffer;
1860 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1861 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1862 card->seqno.trans_hdr++;
1863 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1864 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1865 card->seqno.pdu_hdr++;
1866 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1867 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1868 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1872 qeth_send_control_data(struct qeth_card *card, int len,
1873 struct qeth_cmd_buffer *iob,
1875 (struct qeth_card *, struct qeth_reply*, unsigned long),
1880 unsigned long flags;
1881 struct qeth_reply *reply = NULL;
1882 unsigned long timeout;
1884 QETH_DBF_TEXT(trace, 2, "sendctl");
1886 reply = qeth_alloc_reply(card);
1888 PRINT_WARN("Could no alloc qeth_reply!\n");
1891 reply->callback = reply_cb;
1892 reply->param = reply_param;
1893 if (card->state == CARD_STATE_DOWN)
1894 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1896 reply->seqno = card->seqno.ipa++;
1897 init_waitqueue_head(&reply->wait_q);
1898 spin_lock_irqsave(&card->lock, flags);
1899 list_add_tail(&reply->list, &card->cmd_waiter_list);
1900 spin_unlock_irqrestore(&card->lock, flags);
1901 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1903 while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ;
1904 qeth_prepare_control_data(card, len, iob);
1906 if (IS_IPA(iob->data))
1907 timeout = jiffies + QETH_IPA_TIMEOUT;
1909 timeout = jiffies + QETH_TIMEOUT;
1911 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1912 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1913 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1914 (addr_t) iob, 0, 0);
1915 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1917 PRINT_WARN("qeth_send_control_data: "
1918 "ccw_device_start rc = %i\n", rc);
1919 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1920 spin_lock_irqsave(&card->lock, flags);
1921 list_del_init(&reply->list);
1922 qeth_put_reply(reply);
1923 spin_unlock_irqrestore(&card->lock, flags);
1924 qeth_release_buffer(iob->channel, iob);
1925 atomic_set(&card->write.irq_pending, 0);
1926 wake_up(&card->wait_q);
1929 while (!atomic_read(&reply->received)) {
1930 if (time_after(jiffies, timeout)) {
1931 spin_lock_irqsave(&reply->card->lock, flags);
1932 list_del_init(&reply->list);
1933 spin_unlock_irqrestore(&reply->card->lock, flags);
1935 atomic_inc(&reply->received);
1936 wake_up(&reply->wait_q);
1941 qeth_put_reply(reply);
1946 qeth_osn_send_control_data(struct qeth_card *card, int len,
1947 struct qeth_cmd_buffer *iob)
1949 unsigned long flags;
1952 QETH_DBF_TEXT(trace, 5, "osndctrd");
1954 wait_event(card->wait_q,
1955 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1956 qeth_prepare_control_data(card, len, iob);
1957 QETH_DBF_TEXT(trace, 6, "osnoirqp");
1958 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1959 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1960 (addr_t) iob, 0, 0);
1961 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1963 PRINT_WARN("qeth_osn_send_control_data: "
1964 "ccw_device_start rc = %i\n", rc);
1965 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1966 qeth_release_buffer(iob->channel, iob);
1967 atomic_set(&card->write.irq_pending, 0);
1968 wake_up(&card->wait_q);
1974 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1977 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1978 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1979 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1980 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1984 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1989 QETH_DBF_TEXT(trace,4,"osndipa");
1991 qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
1992 s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
1994 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
1995 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
1996 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
1997 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
1998 return qeth_osn_send_control_data(card, s1, iob);
2002 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
2004 (struct qeth_card *,struct qeth_reply*, unsigned long),
2010 QETH_DBF_TEXT(trace,4,"sendipa");
2012 if (card->options.layer2)
2013 if (card->info.type == QETH_CARD_TYPE_OSN)
2014 prot_type = QETH_PROT_OSN2;
2016 prot_type = QETH_PROT_LAYER2;
2018 prot_type = QETH_PROT_TCPIP;
2019 qeth_prepare_ipa_cmd(card,iob,prot_type);
2020 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
2021 reply_cb, reply_param);
2027 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2030 struct qeth_cmd_buffer *iob;
2032 QETH_DBF_TEXT(setup, 2, "cmenblcb");
2034 iob = (struct qeth_cmd_buffer *) data;
2035 memcpy(&card->token.cm_filter_r,
2036 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2037 QETH_MPC_TOKEN_LENGTH);
2038 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2043 qeth_cm_enable(struct qeth_card *card)
2046 struct qeth_cmd_buffer *iob;
2048 QETH_DBF_TEXT(setup,2,"cmenable");
2050 iob = qeth_wait_for_buffer(&card->write);
2051 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2052 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2053 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2054 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2055 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2057 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2058 qeth_cm_enable_cb, NULL);
2063 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2067 struct qeth_cmd_buffer *iob;
2069 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
2071 iob = (struct qeth_cmd_buffer *) data;
2072 memcpy(&card->token.cm_connection_r,
2073 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2074 QETH_MPC_TOKEN_LENGTH);
2075 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2080 qeth_cm_setup(struct qeth_card *card)
2083 struct qeth_cmd_buffer *iob;
2085 QETH_DBF_TEXT(setup,2,"cmsetup");
2087 iob = qeth_wait_for_buffer(&card->write);
2088 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2089 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2090 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2091 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2092 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2093 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2094 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2095 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2096 qeth_cm_setup_cb, NULL);
2102 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2106 __u16 mtu, framesize;
2109 struct qeth_cmd_buffer *iob;
2111 QETH_DBF_TEXT(setup, 2, "ulpenacb");
2113 iob = (struct qeth_cmd_buffer *) data;
2114 memcpy(&card->token.ulp_filter_r,
2115 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2116 QETH_MPC_TOKEN_LENGTH);
2117 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2118 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2119 mtu = qeth_get_mtu_outof_framesize(framesize);
2122 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2125 card->info.max_mtu = mtu;
2126 card->info.initial_mtu = mtu;
2127 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2129 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2130 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2131 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2134 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2135 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2137 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2138 card->info.link_type = link_type;
2140 card->info.link_type = 0;
2141 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2146 qeth_ulp_enable(struct qeth_card *card)
2150 struct qeth_cmd_buffer *iob;
2152 /*FIXME: trace view callbacks*/
2153 QETH_DBF_TEXT(setup,2,"ulpenabl");
2155 iob = qeth_wait_for_buffer(&card->write);
2156 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2158 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2159 (__u8) card->info.portno;
2160 if (card->options.layer2)
2161 if (card->info.type == QETH_CARD_TYPE_OSN)
2162 prot_type = QETH_PROT_OSN2;
2164 prot_type = QETH_PROT_LAYER2;
2166 prot_type = QETH_PROT_TCPIP;
2168 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2169 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2170 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2171 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2172 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2173 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2174 card->info.portname, 9);
2175 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2176 qeth_ulp_enable_cb, NULL);
2182 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2185 struct qeth_cmd_buffer *iob;
2187 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2189 iob = (struct qeth_cmd_buffer *) data;
2190 memcpy(&card->token.ulp_connection_r,
2191 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2192 QETH_MPC_TOKEN_LENGTH);
2193 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2198 qeth_ulp_setup(struct qeth_card *card)
2202 struct qeth_cmd_buffer *iob;
2203 struct ccw_dev_id dev_id;
2205 QETH_DBF_TEXT(setup,2,"ulpsetup");
2207 iob = qeth_wait_for_buffer(&card->write);
2208 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2210 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2211 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2212 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2213 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2214 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2215 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2217 ccw_device_get_id(CARD_DDEV(card), &dev_id);
2218 memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2);
2219 temp = (card->info.cula << 8) + card->info.unit_addr2;
2220 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2221 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2222 qeth_ulp_setup_cb, NULL);
2227 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2228 unsigned int siga_error, const char *dbftext)
2230 if (qdio_error || siga_error) {
2231 QETH_DBF_TEXT(trace, 2, dbftext);
2232 QETH_DBF_TEXT(qerr, 2, dbftext);
2233 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2234 buf->element[15].flags & 0xff);
2235 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2236 buf->element[14].flags & 0xff);
2237 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2238 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2244 static struct sk_buff *
2245 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2247 struct sk_buff* skb;
2251 if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2252 add_len = sizeof(struct qeth_hdr);
2253 #ifdef CONFIG_QETH_VLAN
2255 add_len = VLAN_HLEN;
2257 skb = dev_alloc_skb(length + add_len);
2259 skb_reserve(skb, add_len);
2264 qeth_create_skb_frag(struct qdio_buffer_element *element,
2265 struct sk_buff **pskb,
2266 int offset, int *pfrag, int data_len)
2268 struct page *page = virt_to_page(element->addr);
2270 /* the upper protocol layers assume that there is data in the
2271 * skb itself. Copy a small amount (64 bytes) to make them
2273 *pskb = dev_alloc_skb(64 + QETH_FAKE_LL_LEN_ETH);
2276 skb_reserve(*pskb, QETH_FAKE_LL_LEN_ETH);
2277 if (data_len <= 64) {
2278 memcpy(skb_put(*pskb, data_len), element->addr + offset,
2282 memcpy(skb_put(*pskb, 64), element->addr + offset, 64);
2283 skb_fill_page_desc(*pskb, *pfrag, page, offset + 64,
2285 (*pskb)->data_len += data_len - 64;
2286 (*pskb)->len += data_len - 64;
2287 (*pskb)->truesize += data_len - 64;
2291 skb_fill_page_desc(*pskb, *pfrag, page, offset, data_len);
2292 (*pskb)->data_len += data_len;
2293 (*pskb)->len += data_len;
2294 (*pskb)->truesize += data_len;
2300 static inline struct qeth_buffer_pool_entry *
2301 qeth_find_free_buffer_pool_entry(struct qeth_card *card)
2303 struct list_head *plh;
2304 struct qeth_buffer_pool_entry *entry;
2308 if (list_empty(&card->qdio.in_buf_pool.entry_list))
2311 list_for_each(plh, &card->qdio.in_buf_pool.entry_list) {
2312 entry = list_entry(plh, struct qeth_buffer_pool_entry, list);
2314 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2315 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2321 list_del_init(&entry->list);
2326 /* no free buffer in pool so take first one and swap pages */
2327 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2328 struct qeth_buffer_pool_entry, list);
2329 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2330 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2331 page = alloc_page(GFP_ATOMIC|GFP_DMA);
2335 free_page((unsigned long)entry->elements[i]);
2336 entry->elements[i] = page_address(page);
2337 if (card->options.performance_stats)
2338 card->perf_stats.sg_alloc_page_rx++;
2342 list_del_init(&entry->list);
2346 static struct sk_buff *
2347 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2348 struct qdio_buffer_element **__element, int *__offset,
2349 struct qeth_hdr **hdr)
2351 struct qdio_buffer_element *element = *__element;
2352 int offset = *__offset;
2353 struct sk_buff *skb = NULL;
2360 QETH_DBF_TEXT(trace,6,"nextskb");
2361 /* qeth_hdr must not cross element boundaries */
2362 if (element->length < offset + sizeof(struct qeth_hdr)){
2363 if (qeth_is_last_sbale(element))
2367 if (element->length < sizeof(struct qeth_hdr))
2370 *hdr = element->addr + offset;
2372 offset += sizeof(struct qeth_hdr);
2373 if (card->options.layer2)
2374 if (card->info.type == QETH_CARD_TYPE_OSN)
2375 skb_len = (*hdr)->hdr.osn.pdu_length;
2377 skb_len = (*hdr)->hdr.l2.pkt_length;
2379 skb_len = (*hdr)->hdr.l3.length;
2383 if ((skb_len >= card->options.rx_sg_cb) &&
2384 (!(card->info.type == QETH_CARD_TYPE_OSN)) &&
2385 (!atomic_read(&card->force_alloc_skb))) {
2388 if (card->options.fake_ll) {
2389 if (card->dev->type == ARPHRD_IEEE802_TR) {
2390 if (!(skb = qeth_get_skb(skb_len +
2391 QETH_FAKE_LL_LEN_TR, *hdr)))
2393 skb_reserve(skb, QETH_FAKE_LL_LEN_TR);
2395 if (!(skb = qeth_get_skb(skb_len +
2396 QETH_FAKE_LL_LEN_ETH, *hdr)))
2398 skb_reserve(skb, QETH_FAKE_LL_LEN_ETH);
2401 skb = qeth_get_skb(skb_len, *hdr);
2407 data_ptr = element->addr + offset;
2409 data_len = min(skb_len, (int)(element->length - offset));
2412 if (qeth_create_skb_frag(element, &skb, offset,
2416 memcpy(skb_put(skb, data_len), data_ptr,
2420 skb_len -= data_len;
2422 if (qeth_is_last_sbale(element)){
2423 QETH_DBF_TEXT(trace,4,"unexeob");
2424 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2425 QETH_DBF_TEXT(qerr,2,"unexeob");
2426 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2427 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2428 dev_kfree_skb_any(skb);
2429 card->stats.rx_errors++;
2434 data_ptr = element->addr;
2439 *__element = element;
2441 if (use_rx_sg && card->options.performance_stats) {
2442 card->perf_stats.sg_skbs_rx++;
2443 card->perf_stats.sg_frags_rx += skb_shinfo(skb)->nr_frags;
2447 if (net_ratelimit()){
2448 PRINT_WARN("No memory for packet received on %s.\n",
2449 QETH_CARD_IFNAME(card));
2450 QETH_DBF_TEXT(trace,2,"noskbmem");
2451 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2453 card->stats.rx_dropped++;
2458 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2460 struct qeth_card *card;
2463 QETH_DBF_TEXT(trace,6,"typtrans");
2465 card = (struct qeth_card *)dev->priv;
2467 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2468 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2469 return tr_type_trans(skb,dev);
2470 #endif /* CONFIG_TR */
2471 skb_reset_mac_header(skb);
2472 skb_pull(skb, ETH_HLEN );
2475 if (*eth->h_dest & 1) {
2476 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2477 skb->pkt_type = PACKET_BROADCAST;
2479 skb->pkt_type = PACKET_MULTICAST;
2480 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2481 skb->pkt_type = PACKET_OTHERHOST;
2483 if (ntohs(eth->h_proto) >= 1536)
2484 return eth->h_proto;
2485 if (*(unsigned short *) (skb->data) == 0xFFFF)
2486 return htons(ETH_P_802_3);
2487 return htons(ETH_P_802_2);
2491 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2492 struct qeth_hdr *hdr)
2494 struct trh_hdr *fake_hdr;
2495 struct trllc *fake_llc;
2496 struct iphdr *ip_hdr;
2498 QETH_DBF_TEXT(trace,5,"skbfktr");
2499 skb_set_mac_header(skb, -QETH_FAKE_LL_LEN_TR);
2500 /* this is a fake ethernet header */
2501 fake_hdr = tr_hdr(skb);
2503 /* the destination MAC address */
2504 switch (skb->pkt_type){
2505 case PACKET_MULTICAST:
2506 switch (skb->protocol){
2507 #ifdef CONFIG_QETH_IPV6
2508 case __constant_htons(ETH_P_IPV6):
2509 ndisc_mc_map((struct in6_addr *)
2510 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2511 fake_hdr->daddr, card->dev, 0);
2513 #endif /* CONFIG_QETH_IPV6 */
2514 case __constant_htons(ETH_P_IP):
2515 ip_hdr = (struct iphdr *)skb->data;
2516 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2519 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2522 case PACKET_BROADCAST:
2523 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2526 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2528 /* the source MAC address */
2529 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2530 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2532 memset(fake_hdr->saddr, 0, TR_ALEN);
2534 fake_llc = (struct trllc*)&(fake_hdr->rcf);
2535 fake_llc->dsap = EXTENDED_SAP;
2536 fake_llc->ssap = EXTENDED_SAP;
2537 fake_llc->llc = UI_CMD;
2538 fake_llc->protid[0] = 0;
2539 fake_llc->protid[1] = 0;
2540 fake_llc->protid[2] = 0;
2541 fake_llc->ethertype = ETH_P_IP;
2545 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2546 struct qeth_hdr *hdr)
2548 struct ethhdr *fake_hdr;
2549 struct iphdr *ip_hdr;
2551 QETH_DBF_TEXT(trace,5,"skbfketh");
2552 skb_set_mac_header(skb, -QETH_FAKE_LL_LEN_ETH);
2553 /* this is a fake ethernet header */
2554 fake_hdr = eth_hdr(skb);
2556 /* the destination MAC address */
2557 switch (skb->pkt_type){
2558 case PACKET_MULTICAST:
2559 switch (skb->protocol){
2560 #ifdef CONFIG_QETH_IPV6
2561 case __constant_htons(ETH_P_IPV6):
2562 ndisc_mc_map((struct in6_addr *)
2563 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2564 fake_hdr->h_dest, card->dev, 0);
2566 #endif /* CONFIG_QETH_IPV6 */
2567 case __constant_htons(ETH_P_IP):
2568 ip_hdr = (struct iphdr *)skb->data;
2569 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2572 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2575 case PACKET_BROADCAST:
2576 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2579 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2581 /* the source MAC address */
2582 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2583 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2585 memset(fake_hdr->h_source, 0, ETH_ALEN);
2587 fake_hdr->h_proto = skb->protocol;
2591 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2592 struct qeth_hdr *hdr)
2594 if (card->dev->type == ARPHRD_IEEE802_TR)
2595 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2597 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2601 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2602 struct qeth_hdr *hdr)
2604 skb->pkt_type = PACKET_HOST;
2605 skb->protocol = qeth_type_trans(skb, skb->dev);
2606 if (card->options.checksum_type == NO_CHECKSUMMING)
2607 skb->ip_summed = CHECKSUM_UNNECESSARY;
2609 skb->ip_summed = CHECKSUM_NONE;
2610 *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2614 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2615 struct qeth_hdr *hdr)
2617 unsigned short vlan_id = 0;
2618 #ifdef CONFIG_QETH_IPV6
2619 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2620 skb->pkt_type = PACKET_HOST;
2621 skb->protocol = qeth_type_trans(skb, card->dev);
2624 #endif /* CONFIG_QETH_IPV6 */
2625 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2627 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2628 case QETH_CAST_UNICAST:
2629 skb->pkt_type = PACKET_HOST;
2631 case QETH_CAST_MULTICAST:
2632 skb->pkt_type = PACKET_MULTICAST;
2633 card->stats.multicast++;
2635 case QETH_CAST_BROADCAST:
2636 skb->pkt_type = PACKET_BROADCAST;
2637 card->stats.multicast++;
2639 case QETH_CAST_ANYCAST:
2640 case QETH_CAST_NOCAST:
2642 skb->pkt_type = PACKET_HOST;
2645 if (hdr->hdr.l3.ext_flags &
2646 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2647 vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2648 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2651 if (card->options.fake_ll)
2652 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2654 skb_reset_mac_header(skb);
2655 skb->ip_summed = card->options.checksum_type;
2656 if (card->options.checksum_type == HW_CHECKSUMMING){
2657 if ( (hdr->hdr.l3.ext_flags &
2658 (QETH_HDR_EXT_CSUM_HDR_REQ |
2659 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2660 (QETH_HDR_EXT_CSUM_HDR_REQ |
2661 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2662 skb->ip_summed = CHECKSUM_UNNECESSARY;
2664 skb->ip_summed = SW_CHECKSUMMING;
2670 qeth_process_inbound_buffer(struct qeth_card *card,
2671 struct qeth_qdio_buffer *buf, int index)
2673 struct qdio_buffer_element *element;
2674 struct sk_buff *skb;
2675 struct qeth_hdr *hdr;
2680 /* get first element of current buffer */
2681 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2683 if (card->options.performance_stats)
2684 card->perf_stats.bufs_rec++;
2685 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2687 skb->dev = card->dev;
2688 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2689 qeth_layer2_rebuild_skb(card, skb, hdr);
2690 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2691 vlan_tag = qeth_rebuild_skb(card, skb, hdr);
2692 else { /*in case of OSN*/
2693 skb_push(skb, sizeof(struct qeth_hdr));
2694 skb_copy_to_linear_data(skb, hdr,
2695 sizeof(struct qeth_hdr));
2697 /* is device UP ? */
2698 if (!(card->dev->flags & IFF_UP)){
2699 dev_kfree_skb_any(skb);
2702 if (card->info.type == QETH_CARD_TYPE_OSN)
2703 rxrc = card->osn_info.data_cb(skb);
2705 #ifdef CONFIG_QETH_VLAN
2708 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2710 dev_kfree_skb_any(skb);
2715 rxrc = netif_rx(skb);
2716 card->dev->last_rx = jiffies;
2717 card->stats.rx_packets++;
2718 card->stats.rx_bytes += skb->len;
2723 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2725 struct qeth_buffer_pool_entry *pool_entry;
2728 pool_entry = qeth_find_free_buffer_pool_entry(card);
2732 * since the buffer is accessed only from the input_tasklet
2733 * there shouldn't be a need to synchronize; also, since we use
2734 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2737 BUG_ON(!pool_entry);
2739 buf->pool_entry = pool_entry;
2740 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2741 buf->buffer->element[i].length = PAGE_SIZE;
2742 buf->buffer->element[i].addr = pool_entry->elements[i];
2743 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2744 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2746 buf->buffer->element[i].flags = 0;
2748 buf->state = QETH_QDIO_BUF_EMPTY;
2753 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2754 struct qeth_qdio_out_buffer *buf)
2757 struct sk_buff *skb;
2759 /* is PCI flag set on buffer? */
2760 if (buf->buffer->element[0].flags & 0x40)
2761 atomic_dec(&queue->set_pci_flags_count);
2763 while ((skb = skb_dequeue(&buf->skb_list))){
2764 atomic_dec(&skb->users);
2765 dev_kfree_skb_any(skb);
2767 qeth_eddp_buf_release_contexts(buf);
2768 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2769 buf->buffer->element[i].length = 0;
2770 buf->buffer->element[i].addr = NULL;
2771 buf->buffer->element[i].flags = 0;
2773 buf->next_element_to_fill = 0;
2774 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2778 qeth_queue_input_buffer(struct qeth_card *card, int index)
2780 struct qeth_qdio_q *queue = card->qdio.in_q;
2786 QETH_DBF_TEXT(trace,6,"queinbuf");
2787 count = (index < queue->next_buf_to_init)?
2788 card->qdio.in_buf_pool.buf_count -
2789 (queue->next_buf_to_init - index) :
2790 card->qdio.in_buf_pool.buf_count -
2791 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2792 /* only requeue at a certain threshold to avoid SIGAs */
2793 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2794 for (i = queue->next_buf_to_init;
2795 i < queue->next_buf_to_init + count; ++i) {
2796 if (qeth_init_input_buffer(card,
2797 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) {
2804 if (newcount < count) {
2805 /* we are in memory shortage so we switch back to
2806 traditional skb allocation and drop packages */
2807 if (atomic_cmpxchg(&card->force_alloc_skb, 0, 1))
2809 "qeth: switch to alloc skb\n");
2812 if (atomic_cmpxchg(&card->force_alloc_skb, 1, 0))
2813 printk(KERN_WARNING "qeth: switch to sg\n");
2817 * according to old code it should be avoided to requeue all
2818 * 128 buffers in order to benefit from PCI avoidance.
2819 * this function keeps at least one buffer (the buffer at
2820 * 'index') un-requeued -> this buffer is the first buffer that
2821 * will be requeued the next time
2823 if (card->options.performance_stats) {
2824 card->perf_stats.inbound_do_qdio_cnt++;
2825 card->perf_stats.inbound_do_qdio_start_time =
2828 rc = do_QDIO(CARD_DDEV(card),
2829 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2830 0, queue->next_buf_to_init, count, NULL);
2831 if (card->options.performance_stats)
2832 card->perf_stats.inbound_do_qdio_time +=
2834 card->perf_stats.inbound_do_qdio_start_time;
2836 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2837 "return %i (device %s).\n",
2838 rc, CARD_DDEV_ID(card));
2839 QETH_DBF_TEXT(trace,2,"qinberr");
2840 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2842 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2843 QDIO_MAX_BUFFERS_PER_Q;
2848 qeth_put_buffer_pool_entry(struct qeth_card *card,
2849 struct qeth_buffer_pool_entry *entry)
2851 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2852 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2856 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2857 unsigned int qdio_err, unsigned int siga_err,
2858 unsigned int queue, int first_element, int count,
2859 unsigned long card_ptr)
2861 struct net_device *net_dev;
2862 struct qeth_card *card;
2863 struct qeth_qdio_buffer *buffer;
2867 QETH_DBF_TEXT(trace, 6, "qdinput");
2868 card = (struct qeth_card *) card_ptr;
2869 net_dev = card->dev;
2870 if (card->options.performance_stats) {
2871 card->perf_stats.inbound_cnt++;
2872 card->perf_stats.inbound_start_time = qeth_get_micros();
2874 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2875 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2876 QETH_DBF_TEXT(trace, 1,"qdinchk");
2877 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2878 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2879 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2880 qeth_schedule_recovery(card);
2884 for (i = first_element; i < (first_element + count); ++i) {
2885 index = i % QDIO_MAX_BUFFERS_PER_Q;
2886 buffer = &card->qdio.in_q->bufs[index];
2887 if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
2888 qeth_check_qdio_errors(buffer->buffer,
2889 qdio_err, siga_err,"qinerr")))
2890 qeth_process_inbound_buffer(card, buffer, index);
2891 /* clear buffer and give back to hardware */
2892 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2893 qeth_queue_input_buffer(card, index);
2895 if (card->options.performance_stats)
2896 card->perf_stats.inbound_time += qeth_get_micros() -
2897 card->perf_stats.inbound_start_time;
2901 qeth_handle_send_error(struct qeth_card *card,
2902 struct qeth_qdio_out_buffer *buffer,
2903 unsigned int qdio_err, unsigned int siga_err)
2905 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2906 int cc = siga_err & 3;
2908 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2909 qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2913 QETH_DBF_TEXT(trace, 1,"lnkfail");
2914 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2915 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2916 (u16)qdio_err, (u8)sbalf15);
2917 return QETH_SEND_ERROR_LINK_FAILURE;
2919 return QETH_SEND_ERROR_NONE;
2921 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2922 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2923 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2924 return QETH_SEND_ERROR_KICK_IT;
2926 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2927 return QETH_SEND_ERROR_RETRY;
2928 return QETH_SEND_ERROR_LINK_FAILURE;
2929 /* look at qdio_error and sbalf 15 */
2931 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2932 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2933 return QETH_SEND_ERROR_LINK_FAILURE;
2936 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2937 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2938 return QETH_SEND_ERROR_KICK_IT;
2943 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2944 int index, int count)
2946 struct qeth_qdio_out_buffer *buf;
2949 unsigned int qdio_flags;
2951 QETH_DBF_TEXT(trace, 6, "flushbuf");
2953 for (i = index; i < index + count; ++i) {
2954 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2955 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2956 SBAL_FLAGS_LAST_ENTRY;
2958 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2961 if (!queue->do_pack){
2962 if ((atomic_read(&queue->used_buffers) >=
2963 (QETH_HIGH_WATERMARK_PACK -
2964 QETH_WATERMARK_PACK_FUZZ)) &&
2965 !atomic_read(&queue->set_pci_flags_count)){
2966 /* it's likely that we'll go to packing
2968 atomic_inc(&queue->set_pci_flags_count);
2969 buf->buffer->element[0].flags |= 0x40;
2972 if (!atomic_read(&queue->set_pci_flags_count)){
2974 * there's no outstanding PCI any more, so we
2975 * have to request a PCI to be sure that the PCI
2976 * will wake at some time in the future then we
2977 * can flush packed buffers that might still be
2978 * hanging around, which can happen if no
2979 * further send was requested by the stack
2981 atomic_inc(&queue->set_pci_flags_count);
2982 buf->buffer->element[0].flags |= 0x40;
2987 queue->card->dev->trans_start = jiffies;
2988 if (queue->card->options.performance_stats) {
2989 queue->card->perf_stats.outbound_do_qdio_cnt++;
2990 queue->card->perf_stats.outbound_do_qdio_start_time =
2993 qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
2995 qdio_flags |= QDIO_FLAG_UNDER_INTERRUPT;
2996 if (atomic_read(&queue->set_pci_flags_count))
2997 qdio_flags |= QDIO_FLAG_PCI_OUT;
2998 rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
2999 queue->queue_no, index, count, NULL);
3000 if (queue->card->options.performance_stats)
3001 queue->card->perf_stats.outbound_do_qdio_time +=
3003 queue->card->perf_stats.outbound_do_qdio_start_time;
3005 QETH_DBF_TEXT(trace, 2, "flushbuf");
3006 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
3007 QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
3008 queue->card->stats.tx_errors += count;
3009 /* this must not happen under normal circumstances. if it
3010 * happens something is really wrong -> recover */
3011 qeth_schedule_recovery(queue->card);
3014 atomic_add(count, &queue->used_buffers);
3015 if (queue->card->options.performance_stats)
3016 queue->card->perf_stats.bufs_sent += count;
3020 * Switched to packing state if the number of used buffers on a queue
3021 * reaches a certain limit.
3024 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
3026 if (!queue->do_pack) {
3027 if (atomic_read(&queue->used_buffers)
3028 >= QETH_HIGH_WATERMARK_PACK){
3029 /* switch non-PACKING -> PACKING */
3030 QETH_DBF_TEXT(trace, 6, "np->pack");
3031 if (queue->card->options.performance_stats)
3032 queue->card->perf_stats.sc_dp_p++;
3039 * Switches from packing to non-packing mode. If there is a packing
3040 * buffer on the queue this buffer will be prepared to be flushed.
3041 * In that case 1 is returned to inform the caller. If no buffer
3042 * has to be flushed, zero is returned.
3045 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
3047 struct qeth_qdio_out_buffer *buffer;
3048 int flush_count = 0;
3050 if (queue->do_pack) {
3051 if (atomic_read(&queue->used_buffers)
3052 <= QETH_LOW_WATERMARK_PACK) {
3053 /* switch PACKING -> non-PACKING */
3054 QETH_DBF_TEXT(trace, 6, "pack->np");
3055 if (queue->card->options.performance_stats)
3056 queue->card->perf_stats.sc_p_dp++;
3058 /* flush packing buffers */
3059 buffer = &queue->bufs[queue->next_buf_to_fill];
3060 if ((atomic_read(&buffer->state) ==
3061 QETH_QDIO_BUF_EMPTY) &&
3062 (buffer->next_element_to_fill > 0)) {
3063 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
3065 queue->next_buf_to_fill =
3066 (queue->next_buf_to_fill + 1) %
3067 QDIO_MAX_BUFFERS_PER_Q;
3075 * Called to flush a packing buffer if no more pci flags are on the queue.
3076 * Checks if there is a packing buffer and prepares it to be flushed.
3077 * In that case returns 1, otherwise zero.
3080 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
3082 struct qeth_qdio_out_buffer *buffer;
3084 buffer = &queue->bufs[queue->next_buf_to_fill];
3085 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
3086 (buffer->next_element_to_fill > 0)){
3087 /* it's a packing buffer */
3088 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3089 queue->next_buf_to_fill =
3090 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
3097 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
3101 int q_was_packing = 0;
3104 * check if weed have to switch to non-packing mode or if
3105 * we have to get a pci flag out on the queue
3107 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
3108 !atomic_read(&queue->set_pci_flags_count)){
3109 if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
3110 QETH_OUT_Q_UNLOCKED) {
3112 * If we get in here, there was no action in
3113 * do_send_packet. So, we check if there is a
3114 * packing buffer to be flushed here.
3116 netif_stop_queue(queue->card->dev);
3117 index = queue->next_buf_to_fill;
3118 q_was_packing = queue->do_pack;
3119 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3121 !atomic_read(&queue->set_pci_flags_count))
3123 qeth_flush_buffers_on_no_pci(queue);
3124 if (queue->card->options.performance_stats &&
3126 queue->card->perf_stats.bufs_sent_pack +=
3129 qeth_flush_buffers(queue, 1, index, flush_cnt);
3130 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3136 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
3137 unsigned int qdio_error, unsigned int siga_error,
3138 unsigned int __queue, int first_element, int count,
3139 unsigned long card_ptr)
3141 struct qeth_card *card = (struct qeth_card *) card_ptr;
3142 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3143 struct qeth_qdio_out_buffer *buffer;
3146 QETH_DBF_TEXT(trace, 6, "qdouhdl");
3147 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
3148 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
3149 QETH_DBF_TEXT(trace, 2, "achkcond");
3150 QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
3151 QETH_DBF_TEXT_(trace, 2, "%08x", status);
3152 netif_stop_queue(card->dev);
3153 qeth_schedule_recovery(card);
3157 if (card->options.performance_stats) {
3158 card->perf_stats.outbound_handler_cnt++;
3159 card->perf_stats.outbound_handler_start_time =
3162 for(i = first_element; i < (first_element + count); ++i){
3163 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
3164 /*we only handle the KICK_IT error by doing a recovery */
3165 if (qeth_handle_send_error(card, buffer,
3166 qdio_error, siga_error)
3167 == QETH_SEND_ERROR_KICK_IT){
3168 netif_stop_queue(card->dev);
3169 qeth_schedule_recovery(card);
3172 qeth_clear_output_buffer(queue, buffer);
3174 atomic_sub(count, &queue->used_buffers);
3175 /* check if we need to do something on this outbound queue */
3176 if (card->info.type != QETH_CARD_TYPE_IQD)
3177 qeth_check_outbound_queue(queue);
3179 netif_wake_queue(queue->card->dev);
3180 if (card->options.performance_stats)
3181 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3182 card->perf_stats.outbound_handler_start_time;
3186 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
3189 param_field[0] = _ascebc['P'];
3190 param_field[1] = _ascebc['C'];
3191 param_field[2] = _ascebc['I'];
3192 param_field[3] = _ascebc['T'];
3193 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
3194 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
3195 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
3199 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3201 param_field[16] = _ascebc['B'];
3202 param_field[17] = _ascebc['L'];
3203 param_field[18] = _ascebc['K'];
3204 param_field[19] = _ascebc['T'];
3205 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
3206 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
3207 *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo;
3211 qeth_initialize_working_pool_list(struct qeth_card *card)
3213 struct qeth_buffer_pool_entry *entry;
3215 QETH_DBF_TEXT(trace,5,"inwrklst");
3217 list_for_each_entry(entry,
3218 &card->qdio.init_pool.entry_list, init_list) {
3219 qeth_put_buffer_pool_entry(card,entry);
3224 qeth_clear_working_pool_list(struct qeth_card *card)
3226 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3228 QETH_DBF_TEXT(trace,5,"clwrklst");
3229 list_for_each_entry_safe(pool_entry, tmp,
3230 &card->qdio.in_buf_pool.entry_list, list){
3231 list_del(&pool_entry->list);
3236 qeth_free_buffer_pool(struct qeth_card *card)
3238 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3240 QETH_DBF_TEXT(trace,5,"freepool");
3241 list_for_each_entry_safe(pool_entry, tmp,
3242 &card->qdio.init_pool.entry_list, init_list){
3243 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3244 free_page((unsigned long)pool_entry->elements[i]);
3245 list_del(&pool_entry->init_list);
3251 qeth_alloc_buffer_pool(struct qeth_card *card)
3253 struct qeth_buffer_pool_entry *pool_entry;
3257 QETH_DBF_TEXT(trace,5,"alocpool");
3258 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3259 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3261 qeth_free_buffer_pool(card);
3264 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3265 ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3268 free_page((unsigned long)
3269 pool_entry->elements[--j]);
3271 qeth_free_buffer_pool(card);
3274 pool_entry->elements[j] = ptr;
3276 list_add(&pool_entry->init_list,
3277 &card->qdio.init_pool.entry_list);
3283 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3285 QETH_DBF_TEXT(trace, 2, "realcbp");
3287 if ((card->state != CARD_STATE_DOWN) &&
3288 (card->state != CARD_STATE_RECOVER))
3291 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3292 qeth_clear_working_pool_list(card);
3293 qeth_free_buffer_pool(card);
3294 card->qdio.in_buf_pool.buf_count = bufcnt;
3295 card->qdio.init_pool.buf_count = bufcnt;
3296 return qeth_alloc_buffer_pool(card);
3300 qeth_alloc_qdio_buffers(struct qeth_card *card)
3304 QETH_DBF_TEXT(setup, 2, "allcqdbf");
3306 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
3307 QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
3310 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3311 GFP_KERNEL|GFP_DMA);
3312 if (!card->qdio.in_q)
3314 QETH_DBF_TEXT(setup, 2, "inq");
3315 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3316 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3317 /* give inbound qeth_qdio_buffers their qdio_buffers */
3318 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3319 card->qdio.in_q->bufs[i].buffer =
3320 &card->qdio.in_q->qdio_bufs[i];
3321 /* inbound buffer pool */
3322 if (qeth_alloc_buffer_pool(card))
3326 kmalloc(card->qdio.no_out_queues *
3327 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3328 if (!card->qdio.out_qs)
3330 for (i = 0; i < card->qdio.no_out_queues; ++i) {
3331 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3332 GFP_KERNEL|GFP_DMA);
3333 if (!card->qdio.out_qs[i])
3335 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3336 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3337 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3338 card->qdio.out_qs[i]->queue_no = i;
3339 /* give outbound qeth_qdio_buffers their qdio_buffers */
3340 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3341 card->qdio.out_qs[i]->bufs[j].buffer =
3342 &card->qdio.out_qs[i]->qdio_bufs[j];
3343 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3346 &card->qdio.out_qs[i]->bufs[j].skb_list.lock,
3347 &qdio_out_skb_queue_key);
3348 INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3355 kfree(card->qdio.out_qs[--i]);
3356 kfree(card->qdio.out_qs);
3358 qeth_free_buffer_pool(card);
3360 kfree(card->qdio.in_q);
3362 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
3367 qeth_free_qdio_buffers(struct qeth_card *card)
3371 QETH_DBF_TEXT(trace, 2, "freeqdbf");
3372 if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) ==
3373 QETH_QDIO_UNINITIALIZED)
3375 kfree(card->qdio.in_q);
3376 /* inbound buffer pool */
3377 qeth_free_buffer_pool(card);
3378 /* free outbound qdio_qs */
3379 for (i = 0; i < card->qdio.no_out_queues; ++i){
3380 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3381 qeth_clear_output_buffer(card->qdio.out_qs[i],
3382 &card->qdio.out_qs[i]->bufs[j]);
3383 kfree(card->qdio.out_qs[i]);
3385 kfree(card->qdio.out_qs);
3389 qeth_clear_qdio_buffers(struct qeth_card *card)
3393 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3394 /* clear outbound buffers to free skbs */
3395 for (i = 0; i < card->qdio.no_out_queues; ++i)
3396 if (card->qdio.out_qs[i]){
3397 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3398 qeth_clear_output_buffer(card->qdio.out_qs[i],
3399 &card->qdio.out_qs[i]->bufs[j]);
3404 qeth_init_qdio_info(struct qeth_card *card)
3406 QETH_DBF_TEXT(setup, 4, "intqdinf");
3407 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
3409 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3410 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3411 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3412 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3413 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3417 qeth_init_qdio_queues(struct qeth_card *card)
3422 QETH_DBF_TEXT(setup, 2, "initqdqs");
3425 memset(card->qdio.in_q->qdio_bufs, 0,
3426 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3427 qeth_initialize_working_pool_list(card);
3428 /*give only as many buffers to hardware as we have buffer pool entries*/
3429 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3430 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3431 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3432 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3433 card->qdio.in_buf_pool.buf_count - 1, NULL);
3435 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3438 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3440 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3443 /* outbound queue */
3444 for (i = 0; i < card->qdio.no_out_queues; ++i){
3445 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3446 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3447 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3448 qeth_clear_output_buffer(card->qdio.out_qs[i],
3449 &card->qdio.out_qs[i]->bufs[j]);
3451 card->qdio.out_qs[i]->card = card;
3452 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3453 card->qdio.out_qs[i]->do_pack = 0;
3454 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3455 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3456 atomic_set(&card->qdio.out_qs[i]->state,
3457 QETH_OUT_Q_UNLOCKED);
3463 qeth_qdio_establish(struct qeth_card *card)
3465 struct qdio_initialize init_data;
3466 char *qib_param_field;
3467 struct qdio_buffer **in_sbal_ptrs;
3468 struct qdio_buffer **out_sbal_ptrs;
3472 QETH_DBF_TEXT(setup, 2, "qdioest");
3474 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3476 if (!qib_param_field)
3479 qeth_create_qib_param_field(card, qib_param_field);
3480 qeth_create_qib_param_field_blkt(card, qib_param_field);
3482 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3484 if (!in_sbal_ptrs) {
3485 kfree(qib_param_field);
3488 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3489 in_sbal_ptrs[i] = (struct qdio_buffer *)
3490 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3493 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3494 sizeof(void *), GFP_KERNEL);
3495 if (!out_sbal_ptrs) {
3496 kfree(in_sbal_ptrs);
3497 kfree(qib_param_field);
3500 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3501 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3502 out_sbal_ptrs[k] = (struct qdio_buffer *)
3503 virt_to_phys(card->qdio.out_qs[i]->
3507 memset(&init_data, 0, sizeof(struct qdio_initialize));
3508 init_data.cdev = CARD_DDEV(card);
3509 init_data.q_format = qeth_get_qdio_q_format(card);
3510 init_data.qib_param_field_format = 0;
3511 init_data.qib_param_field = qib_param_field;
3512 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3513 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3514 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3515 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3516 init_data.no_input_qs = 1;
3517 init_data.no_output_qs = card->qdio.no_out_queues;
3518 init_data.input_handler = (qdio_handler_t *)
3519 qeth_qdio_input_handler;
3520 init_data.output_handler = (qdio_handler_t *)
3521 qeth_qdio_output_handler;
3522 init_data.int_parm = (unsigned long) card;
3523 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3524 QDIO_OUTBOUND_0COPY_SBALS |
3525 QDIO_USE_OUTBOUND_PCIS;
3526 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3527 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3529 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
3530 QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED)
3531 if ((rc = qdio_initialize(&init_data)))
3532 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
3534 kfree(out_sbal_ptrs);
3535 kfree(in_sbal_ptrs);
3536 kfree(qib_param_field);
3541 qeth_qdio_activate(struct qeth_card *card)
3543 QETH_DBF_TEXT(setup,3,"qdioact");
3544 return qdio_activate(CARD_DDEV(card), 0);
3548 qeth_clear_channel(struct qeth_channel *channel)
3550 unsigned long flags;
3551 struct qeth_card *card;
3554 QETH_DBF_TEXT(trace,3,"clearch");
3555 card = CARD_FROM_CDEV(channel->ccwdev);
3556 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3557 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3558 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3562 rc = wait_event_interruptible_timeout(card->wait_q,
3563 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3564 if (rc == -ERESTARTSYS)
3566 if (channel->state != CH_STATE_STOPPED)
3568 channel->state = CH_STATE_DOWN;
3573 qeth_halt_channel(struct qeth_channel *channel)
3575 unsigned long flags;
3576 struct qeth_card *card;
3579 QETH_DBF_TEXT(trace,3,"haltch");
3580 card = CARD_FROM_CDEV(channel->ccwdev);
3581 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3582 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3583 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3587 rc = wait_event_interruptible_timeout(card->wait_q,
3588 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3589 if (rc == -ERESTARTSYS)
3591 if (channel->state != CH_STATE_HALTED)
3597 qeth_halt_channels(struct qeth_card *card)
3599 int rc1 = 0, rc2=0, rc3 = 0;
3601 QETH_DBF_TEXT(trace,3,"haltchs");
3602 rc1 = qeth_halt_channel(&card->read);
3603 rc2 = qeth_halt_channel(&card->write);
3604 rc3 = qeth_halt_channel(&card->data);
3612 qeth_clear_channels(struct qeth_card *card)
3614 int rc1 = 0, rc2=0, rc3 = 0;
3616 QETH_DBF_TEXT(trace,3,"clearchs");
3617 rc1 = qeth_clear_channel(&card->read);
3618 rc2 = qeth_clear_channel(&card->write);
3619 rc3 = qeth_clear_channel(&card->data);
3628 qeth_clear_halt_card(struct qeth_card *card, int halt)
3632 QETH_DBF_TEXT(trace,3,"clhacrd");
3633 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3636 rc = qeth_halt_channels(card);
3639 return qeth_clear_channels(card);
3643 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3647 QETH_DBF_TEXT(trace,3,"qdioclr");
3648 switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED,
3649 QETH_QDIO_CLEANING)) {
3650 case QETH_QDIO_ESTABLISHED:
3651 if ((rc = qdio_cleanup(CARD_DDEV(card),
3652 (card->info.type == QETH_CARD_TYPE_IQD) ?
3653 QDIO_FLAG_CLEANUP_USING_HALT :
3654 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3655 QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3656 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
3658 case QETH_QDIO_CLEANING:
3663 if ((rc = qeth_clear_halt_card(card, use_halt)))
3664 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3665 card->state = CARD_STATE_DOWN;
3670 qeth_dm_act(struct qeth_card *card)
3673 struct qeth_cmd_buffer *iob;
3675 QETH_DBF_TEXT(setup,2,"dmact");
3677 iob = qeth_wait_for_buffer(&card->write);
3678 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3680 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3681 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3682 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3683 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3684 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3689 qeth_mpc_initialize(struct qeth_card *card)
3693 QETH_DBF_TEXT(setup,2,"mpcinit");
3695 if ((rc = qeth_issue_next_read(card))){
3696 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3699 if ((rc = qeth_cm_enable(card))){
3700 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3703 if ((rc = qeth_cm_setup(card))){
3704 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3707 if ((rc = qeth_ulp_enable(card))){
3708 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3711 if ((rc = qeth_ulp_setup(card))){
3712 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3715 if ((rc = qeth_alloc_qdio_buffers(card))){
3716 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3719 if ((rc = qeth_qdio_establish(card))){
3720 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3721 qeth_free_qdio_buffers(card);
3724 if ((rc = qeth_qdio_activate(card))){
3725 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3728 if ((rc = qeth_dm_act(card))){
3729 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3735 qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3739 static struct net_device *
3740 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3742 struct net_device *dev = NULL;
3745 case QETH_CARD_TYPE_OSAE:
3747 case QETH_LINK_TYPE_LANE_TR:
3748 case QETH_LINK_TYPE_HSTR:
3750 dev = alloc_trdev(0);
3751 #endif /* CONFIG_TR */
3754 dev = alloc_etherdev(0);
3757 case QETH_CARD_TYPE_IQD:
3758 dev = alloc_netdev(0, "hsi%d", ether_setup);
3760 case QETH_CARD_TYPE_OSN:
3761 dev = alloc_netdev(0, "osn%d", ether_setup);
3764 dev = alloc_etherdev(0);
3769 /*hard_header fake function; used in case fake_ll is set */
3771 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3772 unsigned short type, void *daddr, void *saddr,
3775 if(dev->type == ARPHRD_IEEE802_TR){
3776 struct trh_hdr *hdr;
3777 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3778 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3779 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3780 return QETH_FAKE_LL_LEN_TR;
3784 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3785 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3786 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3787 if (type != ETH_P_802_3)
3788 hdr->h_proto = htons(type);
3790 hdr->h_proto = htons(len);
3791 return QETH_FAKE_LL_LEN_ETH;
3797 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3800 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3803 struct qeth_card *card;
3805 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3806 card = (struct qeth_card *)dev->priv;
3808 card->stats.tx_dropped++;
3809 card->stats.tx_errors++;
3810 /* return OK; otherwise ksoftirqd goes to 100% */
3811 return NETDEV_TX_OK;
3813 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3814 card->stats.tx_dropped++;
3815 card->stats.tx_errors++;
3816 card->stats.tx_carrier_errors++;
3817 dev_kfree_skb_any(skb);
3818 /* return OK; otherwise ksoftirqd goes to 100% */
3819 return NETDEV_TX_OK;
3821 if (card->options.performance_stats) {
3822 card->perf_stats.outbound_cnt++;
3823 card->perf_stats.outbound_start_time = qeth_get_micros();
3825 netif_stop_queue(dev);
3826 if ((rc = qeth_send_packet(card, skb))) {
3828 return NETDEV_TX_BUSY;
3830 card->stats.tx_errors++;
3831 card->stats.tx_dropped++;
3832 dev_kfree_skb_any(skb);
3833 /*set to OK; otherwise ksoftirqd goes to 100% */
3837 netif_wake_queue(dev);
3838 if (card->options.performance_stats)
3839 card->perf_stats.outbound_time += qeth_get_micros() -
3840 card->perf_stats.outbound_start_time;
3845 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3848 #ifdef CONFIG_QETH_VLAN
3849 struct vlan_group *vg;
3852 if (!(vg = card->vlangrp))
3855 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3856 if (vlan_group_get_device(vg, i) == dev){
3857 rc = QETH_VLAN_CARD;
3861 if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3869 qeth_verify_dev(struct net_device *dev)
3871 struct qeth_card *card;
3872 unsigned long flags;
3875 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3876 list_for_each_entry(card, &qeth_card_list.list, list){
3877 if (card->dev == dev){
3878 rc = QETH_REAL_CARD;
3881 rc = qeth_verify_vlan_dev(dev, card);
3885 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3890 static struct qeth_card *
3891 qeth_get_card_from_dev(struct net_device *dev)
3893 struct qeth_card *card = NULL;
3896 rc = qeth_verify_dev(dev);
3897 if (rc == QETH_REAL_CARD)
3898 card = (struct qeth_card *)dev->priv;
3899 else if (rc == QETH_VLAN_CARD)
3900 card = (struct qeth_card *)
3901 VLAN_DEV_INFO(dev)->real_dev->priv;
3903 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3908 qeth_tx_timeout(struct net_device *dev)
3910 struct qeth_card *card;
3912 card = (struct qeth_card *) dev->priv;
3913 card->stats.tx_errors++;
3914 qeth_schedule_recovery(card);
3918 qeth_open(struct net_device *dev)
3920 struct qeth_card *card;
3922 QETH_DBF_TEXT(trace, 4, "qethopen");
3924 card = (struct qeth_card *) dev->priv;
3926 if (card->state != CARD_STATE_SOFTSETUP)
3929 if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3930 (card->options.layer2) &&
3931 (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3932 QETH_DBF_TEXT(trace,4,"nomacadr");
3935 card->data.state = CH_STATE_UP;
3936 card->state = CARD_STATE_UP;
3937 card->dev->flags |= IFF_UP;
3938 netif_start_queue(dev);
3940 if (!card->lan_online && netif_carrier_ok(dev))
3941 netif_carrier_off(dev);
3946 qeth_stop(struct net_device *dev)
3948 struct qeth_card *card;
3950 QETH_DBF_TEXT(trace, 4, "qethstop");
3952 card = (struct qeth_card *) dev->priv;
3954 netif_tx_disable(dev);
3955 card->dev->flags &= ~IFF_UP;
3956 if (card->state == CARD_STATE_UP)
3957 card->state = CARD_STATE_SOFTSETUP;
3962 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3964 int cast_type = RTN_UNSPEC;
3966 if (card->info.type == QETH_CARD_TYPE_OSN)
3969 if (skb->dst && skb->dst->neighbour){
3970 cast_type = skb->dst->neighbour->type;
3971 if ((cast_type == RTN_BROADCAST) ||
3972 (cast_type == RTN_MULTICAST) ||
3973 (cast_type == RTN_ANYCAST))
3978 /* try something else */
3979 if (skb->protocol == ETH_P_IPV6)
3980 return (skb_network_header(skb)[24] == 0xff) ?
3982 else if (skb->protocol == ETH_P_IP)
3983 return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ?
3986 if (!memcmp(skb->data, skb->dev->broadcast, 6))
3987 return RTN_BROADCAST;
3991 hdr_mac = *((u16 *)skb->data);
3993 switch (card->info.link_type) {
3994 case QETH_LINK_TYPE_HSTR:
3995 case QETH_LINK_TYPE_LANE_TR:
3996 if ((hdr_mac == QETH_TR_MAC_NC) ||
3997 (hdr_mac == QETH_TR_MAC_C))
3998 return RTN_MULTICAST;
4000 /* eth or so multicast? */
4002 if ((hdr_mac == QETH_ETH_MAC_V4) ||
4003 (hdr_mac == QETH_ETH_MAC_V6))
4004 return RTN_MULTICAST;
4011 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
4012 int ipv, int cast_type)
4014 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
4015 return card->qdio.default_out_queue;
4016 switch (card->qdio.no_out_queues) {
4018 if (cast_type && card->info.is_multicast_different)
4019 return card->info.is_multicast_different &
4020 (card->qdio.no_out_queues - 1);
4021 if (card->qdio.do_prio_queueing && (ipv == 4)) {
4022 const u8 tos = ip_hdr(skb)->tos;
4024 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
4025 if (tos & IP_TOS_NOTIMPORTANT)
4027 if (tos & IP_TOS_HIGHRELIABILITY)
4029 if (tos & IP_TOS_HIGHTHROUGHPUT)
4031 if (tos & IP_TOS_LOWDELAY)
4034 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
4035 return 3 - (tos >> 6);
4036 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
4039 return card->qdio.default_out_queue;
4040 case 1: /* fallthrough for single-out-queue 1920-device */
4042 return card->qdio.default_out_queue;
4047 qeth_get_ip_version(struct sk_buff *skb)
4049 switch (skb->protocol) {
4059 static struct qeth_hdr *
4060 __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv)
4062 #ifdef CONFIG_QETH_VLAN
4064 if (card->vlangrp && vlan_tx_tag_present(skb) &&
4065 ((ipv == 6) || card->options.layer2) ) {
4067 * Move the mac addresses (6 bytes src, 6 bytes dest)
4068 * to the beginning of the new header. We are using three
4069 * memcpys instead of one memmove to save cycles.
4071 skb_push(skb, VLAN_HLEN);
4072 skb_copy_to_linear_data(skb, skb->data + 4, 4);
4073 skb_copy_to_linear_data_offset(skb, 4, skb->data + 8, 4);
4074 skb_copy_to_linear_data_offset(skb, 8, skb->data + 12, 4);
4075 tag = (u16 *)(skb->data + 12);
4077 * first two bytes = ETH_P_8021Q (0x8100)
4078 * second two bytes = VLANID
4080 *tag = __constant_htons(ETH_P_8021Q);
4081 *(tag + 1) = htons(vlan_tx_tag_get(skb));
4084 return ((struct qeth_hdr *)
4085 qeth_push_skb(card, skb, sizeof(struct qeth_hdr)));
4089 __qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb)
4091 if (orig_skb != new_skb)
4092 dev_kfree_skb_any(new_skb);
4095 static struct sk_buff *
4096 qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb,
4097 struct qeth_hdr **hdr, int ipv)
4099 struct sk_buff *new_skb, *new_skb2;
4101 QETH_DBF_TEXT(trace, 6, "prepskb");
4103 new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
4106 new_skb2 = qeth_realloc_headroom(card, new_skb,
4107 sizeof(struct qeth_hdr));
4109 __qeth_free_new_skb(skb, new_skb);
4113 __qeth_free_new_skb(new_skb2, new_skb);
4115 *hdr = __qeth_prepare_skb(card, new_skb, ipv);
4117 __qeth_free_new_skb(skb, new_skb);
4124 qeth_get_qeth_hdr_flags4(int cast_type)
4126 if (cast_type == RTN_MULTICAST)
4127 return QETH_CAST_MULTICAST;
4128 if (cast_type == RTN_BROADCAST)
4129 return QETH_CAST_BROADCAST;
4130 return QETH_CAST_UNICAST;
4134 qeth_get_qeth_hdr_flags6(int cast_type)
4136 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
4137 if (cast_type == RTN_MULTICAST)
4138 return ct | QETH_CAST_MULTICAST;
4139 if (cast_type == RTN_ANYCAST)
4140 return ct | QETH_CAST_ANYCAST;
4141 if (cast_type == RTN_BROADCAST)
4142 return ct | QETH_CAST_BROADCAST;
4143 return ct | QETH_CAST_UNICAST;
4147 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
4148 struct sk_buff *skb)
4152 if (!memcmp(skb->data+QETH_HEADER_SIZE,
4153 skb->dev->broadcast,6)) { /* broadcast? */
4154 *(__u32 *)hdr->hdr.l2.flags |=
4155 QETH_LAYER2_FLAG_BROADCAST << 8;
4158 hdr_mac=*((__u16*)skb->data);
4160 switch (card->info.link_type) {
4161 case QETH_LINK_TYPE_HSTR:
4162 case QETH_LINK_TYPE_LANE_TR:
4163 if ((hdr_mac == QETH_TR_MAC_NC) ||
4164 (hdr_mac == QETH_TR_MAC_C) )
4165 *(__u32 *)hdr->hdr.l2.flags |=
4166 QETH_LAYER2_FLAG_MULTICAST << 8;
4168 *(__u32 *)hdr->hdr.l2.flags |=
4169 QETH_LAYER2_FLAG_UNICAST << 8;
4171 /* eth or so multicast? */
4173 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
4174 (hdr_mac==QETH_ETH_MAC_V6) )
4175 *(__u32 *)hdr->hdr.l2.flags |=
4176 QETH_LAYER2_FLAG_MULTICAST << 8;
4178 *(__u32 *)hdr->hdr.l2.flags |=
4179 QETH_LAYER2_FLAG_UNICAST << 8;
4184 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4185 struct sk_buff *skb, int cast_type)
4187 memset(hdr, 0, sizeof(struct qeth_hdr));
4188 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
4190 /* set byte 0 to "0x02" and byte 3 to casting flags */
4191 if (cast_type==RTN_MULTICAST)
4192 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
4193 else if (cast_type==RTN_BROADCAST)
4194 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
4196 qeth_layer2_get_packet_type(card, hdr, skb);
4198 hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4199 #ifdef CONFIG_QETH_VLAN
4200 /* VSWITCH relies on the VLAN
4201 * information to be present in
4202 * the QDIO header */
4203 if ((card->vlangrp != NULL) &&
4204 vlan_tx_tag_present(skb)) {
4205 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4206 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4212 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4213 struct sk_buff *skb, int ipv, int cast_type)
4215 QETH_DBF_TEXT(trace, 6, "fillhdr");
4217 memset(hdr, 0, sizeof(struct qeth_hdr));
4218 if (card->options.layer2) {
4219 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4222 hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4223 hdr->hdr.l3.ext_flags = 0;
4224 #ifdef CONFIG_QETH_VLAN
4226 * before we're going to overwrite this location with next hop ip.
4227 * v6 uses passthrough, v4 sets the tag in the QDIO header.
4229 if (card->vlangrp && vlan_tx_tag_present(skb)) {
4230 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4231 QETH_HDR_EXT_VLAN_FRAME :
4232 QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4233 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4235 #endif /* CONFIG_QETH_VLAN */
4236 hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4237 if (ipv == 4) { /* IPv4 */
4238 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4239 memset(hdr->hdr.l3.dest_addr, 0, 12);
4240 if ((skb->dst) && (skb->dst->neighbour)) {
4241 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4242 *((u32 *) skb->dst->neighbour->primary_key);
4244 /* fill in destination address used in ip header */
4245 *((u32 *)(&hdr->hdr.l3.dest_addr[12])) =
4248 } else if (ipv == 6) { /* IPv6 or passthru */
4249 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4250 if ((skb->dst) && (skb->dst->neighbour)) {
4251 memcpy(hdr->hdr.l3.dest_addr,
4252 skb->dst->neighbour->primary_key, 16);
4254 /* fill in destination address used in ip header */
4255 memcpy(hdr->hdr.l3.dest_addr,
4256 &ipv6_hdr(skb)->daddr, 16);
4258 } else { /* passthrough */
4259 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4260 !memcmp(skb->data + sizeof(struct qeth_hdr) +
4261 sizeof(__u16), skb->dev->broadcast, 6)) {
4262 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4264 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4265 skb->dev->broadcast, 6)) { /* broadcast? */
4266 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4269 hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4270 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4271 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4277 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4278 int is_tso, int *next_element_to_fill)
4280 int length = skb->len;
4286 element = *next_element_to_fill;
4288 first_lap = (is_tso == 0 ? 1 : 0);
4290 while (length > 0) {
4291 /* length_here is the remaining amount of data in this page */
4292 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4293 if (length < length_here)
4294 length_here = length;
4296 buffer->element[element].addr = data;
4297 buffer->element[element].length = length_here;
4298 length -= length_here;
4301 buffer->element[element].flags = 0;
4303 buffer->element[element].flags =
4304 SBAL_FLAGS_LAST_FRAG;
4307 buffer->element[element].flags =
4308 SBAL_FLAGS_FIRST_FRAG;
4310 buffer->element[element].flags =
4311 SBAL_FLAGS_MIDDLE_FRAG;
4313 data += length_here;
4317 *next_element_to_fill = element;
4321 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4322 struct qeth_qdio_out_buffer *buf,
4323 struct sk_buff *skb)
4325 struct qdio_buffer *buffer;
4326 struct qeth_hdr_tso *hdr;
4327 int flush_cnt = 0, hdr_len, large_send = 0;
4329 QETH_DBF_TEXT(trace, 6, "qdfillbf");
4331 buffer = buf->buffer;
4332 atomic_inc(&skb->users);
4333 skb_queue_tail(&buf->skb_list, skb);
4335 hdr = (struct qeth_hdr_tso *) skb->data;
4336 /*check first on TSO ....*/
4337 if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4338 int element = buf->next_element_to_fill;
4340 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4341 /*fill first buffer entry only with header information */
4342 buffer->element[element].addr = skb->data;
4343 buffer->element[element].length = hdr_len;
4344 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4345 buf->next_element_to_fill++;
4346 skb->data += hdr_len;
4347 skb->len -= hdr_len;
4350 if (skb_shinfo(skb)->nr_frags == 0)
4351 __qeth_fill_buffer(skb, buffer, large_send,
4352 (int *)&buf->next_element_to_fill);
4354 __qeth_fill_buffer_frag(skb, buffer, large_send,
4355 (int *)&buf->next_element_to_fill);
4357 if (!queue->do_pack) {
4358 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4359 /* set state to PRIMED -> will be flushed */
4360 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4363 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4364 if (queue->card->options.performance_stats)
4365 queue->card->perf_stats.skbs_sent_pack++;
4366 if (buf->next_element_to_fill >=
4367 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4369 * packed buffer if full -> set state PRIMED
4370 * -> will be flushed
4372 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4380 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4381 struct sk_buff *skb, struct qeth_hdr *hdr,
4382 int elements_needed,
4383 struct qeth_eddp_context *ctx)
4385 struct qeth_qdio_out_buffer *buffer;
4386 int buffers_needed = 0;
4390 QETH_DBF_TEXT(trace, 6, "dosndpfa");
4392 /* spin until we get the queue ... */
4393 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4394 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4395 /* ... now we've got the queue */
4396 index = queue->next_buf_to_fill;
4397 buffer = &queue->bufs[queue->next_buf_to_fill];
4399 * check if buffer is empty to make sure that we do not 'overtake'
4400 * ourselves and try to fill a buffer that is already primed
4402 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
4405 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4406 QDIO_MAX_BUFFERS_PER_Q;
4408 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4409 if (buffers_needed < 0)
4411 queue->next_buf_to_fill =
4412 (queue->next_buf_to_fill + buffers_needed) %
4413 QDIO_MAX_BUFFERS_PER_Q;
4415 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4417 qeth_fill_buffer(queue, buffer, skb);
4418 qeth_flush_buffers(queue, 0, index, 1);
4420 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4421 WARN_ON(buffers_needed != flush_cnt);
4422 qeth_flush_buffers(queue, 0, index, flush_cnt);
4426 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4431 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4432 struct sk_buff *skb, struct qeth_hdr *hdr,
4433 int elements_needed, struct qeth_eddp_context *ctx)
4435 struct qeth_qdio_out_buffer *buffer;
4437 int flush_count = 0;
4442 QETH_DBF_TEXT(trace, 6, "dosndpkt");
4444 /* spin until we get the queue ... */
4445 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4446 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4447 start_index = queue->next_buf_to_fill;
4448 buffer = &queue->bufs[queue->next_buf_to_fill];
4450 * check if buffer is empty to make sure that we do not 'overtake'
4451 * ourselves and try to fill a buffer that is already primed
4453 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4454 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4457 /* check if we need to switch packing state of this queue */
4458 qeth_switch_to_packing_if_needed(queue);
4459 if (queue->do_pack){
4462 /* does packet fit in current buffer? */
4463 if((QETH_MAX_BUFFER_ELEMENTS(card) -
4464 buffer->next_element_to_fill) < elements_needed){
4465 /* ... no -> set state PRIMED */
4466 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4468 queue->next_buf_to_fill =
4469 (queue->next_buf_to_fill + 1) %
4470 QDIO_MAX_BUFFERS_PER_Q;
4471 buffer = &queue->bufs[queue->next_buf_to_fill];
4472 /* we did a step forward, so check buffer state
4474 if (atomic_read(&buffer->state) !=
4475 QETH_QDIO_BUF_EMPTY){
4476 qeth_flush_buffers(queue, 0, start_index, flush_count);
4477 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4482 /* check if we have enough elements (including following
4483 * free buffers) to handle eddp context */
4484 if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4485 printk("eddp tx_dropped 1\n");
4492 tmp = qeth_fill_buffer(queue, buffer, skb);
4494 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4496 printk("eddp tx_dropped 2\n");
4501 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4502 QDIO_MAX_BUFFERS_PER_Q;
4506 qeth_flush_buffers(queue, 0, start_index, flush_count);
4507 else if (!atomic_read(&queue->set_pci_flags_count))
4508 atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
4510 * queue->state will go from LOCKED -> UNLOCKED or from
4511 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4512 * (switch packing state or flush buffer to get another pci flag out).
4513 * In that case we will enter this loop
4515 while (atomic_dec_return(&queue->state)){
4517 start_index = queue->next_buf_to_fill;
4518 /* check if we can go back to non-packing state */
4519 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4521 * check if we need to flush a packing buffer to get a pci
4522 * flag out on the queue
4524 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4525 flush_count += qeth_flush_buffers_on_no_pci(queue);
4527 qeth_flush_buffers(queue, 0, start_index, flush_count);
4529 /* at this point the queue is UNLOCKED again */
4530 if (queue->card->options.performance_stats && do_pack)
4531 queue->card->perf_stats.bufs_sent_pack += flush_count;
4537 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4538 struct sk_buff *skb, int elems)
4540 int elements_needed = 0;
4542 if (skb_shinfo(skb)->nr_frags > 0)
4543 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4544 if (elements_needed == 0)
4545 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4546 + skb->len) >> PAGE_SHIFT);
4547 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4548 PRINT_ERR("Invalid size of IP packet "
4549 "(Number=%d / Length=%d). Discarded.\n",
4550 (elements_needed+elems), skb->len);
4553 return elements_needed;
4558 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4562 struct qeth_qdio_out_q *queue;
4563 struct qeth_hdr *hdr = NULL;
4564 int elements_needed = 0;
4565 enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4566 struct qeth_eddp_context *ctx = NULL;
4567 int tx_bytes = skb->len;
4568 unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
4569 unsigned short tso_size = skb_shinfo(skb)->gso_size;
4570 struct sk_buff *new_skb, *new_skb2;
4573 QETH_DBF_TEXT(trace, 6, "sendpkt");
4576 if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4577 (skb->protocol == htons(ETH_P_IPV6)))
4579 cast_type = qeth_get_cast_type(card, skb);
4580 if ((cast_type == RTN_BROADCAST) &&
4581 (card->info.broadcast_capable == 0))
4583 queue = card->qdio.out_qs
4584 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4585 if (!card->options.layer2) {
4586 ipv = qeth_get_ip_version(skb);
4587 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4588 new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
4591 if(card->dev->type == ARPHRD_IEEE802_TR){
4592 skb_pull(new_skb, QETH_FAKE_LL_LEN_TR);
4594 skb_pull(new_skb, QETH_FAKE_LL_LEN_ETH);
4598 if (skb_is_gso(skb))
4599 large_send = card->options.large_send;
4600 /* check on OSN device*/
4601 if (card->info.type == QETH_CARD_TYPE_OSN)
4602 hdr = (struct qeth_hdr *)new_skb->data;
4603 /*are we able to do TSO ? */
4604 if ((large_send == QETH_LARGE_SEND_TSO) &&
4605 (cast_type == RTN_UNSPEC)) {
4606 rc = qeth_tso_prepare_packet(card, new_skb, ipv, cast_type);
4608 __qeth_free_new_skb(skb, new_skb);
4612 } else if (card->info.type != QETH_CARD_TYPE_OSN) {
4613 new_skb2 = qeth_prepare_skb(card, new_skb, &hdr, ipv);
4615 __qeth_free_new_skb(skb, new_skb);
4619 __qeth_free_new_skb(new_skb2, new_skb);
4621 qeth_fill_header(card, hdr, new_skb, ipv, cast_type);
4623 if (large_send == QETH_LARGE_SEND_EDDP) {
4624 ctx = qeth_eddp_create_context(card, new_skb, hdr,
4625 skb->sk->sk_protocol);
4627 __qeth_free_new_skb(skb, new_skb);
4628 PRINT_WARN("could not create eddp context\n");
4632 int elems = qeth_get_elements_no(card,(void*) hdr, new_skb,
4635 __qeth_free_new_skb(skb, new_skb);
4638 elements_needed += elems;
4641 if (card->info.type != QETH_CARD_TYPE_IQD)
4642 rc = qeth_do_send_packet(card, queue, new_skb, hdr,
4643 elements_needed, ctx);
4645 rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
4646 elements_needed, ctx);
4648 card->stats.tx_packets++;
4649 card->stats.tx_bytes += tx_bytes;
4651 dev_kfree_skb_any(skb);
4652 if (card->options.performance_stats) {
4654 !(large_send == QETH_LARGE_SEND_NO)) {
4655 card->perf_stats.large_send_bytes += tx_bytes;
4656 card->perf_stats.large_send_cnt++;
4659 card->perf_stats.sg_skbs_sent++;
4660 /* nr_frags + skb->data */
4661 card->perf_stats.sg_frags_sent +=
4666 card->stats.tx_dropped++;
4667 __qeth_free_new_skb(skb, new_skb);
4670 /* drop creator's reference */
4671 qeth_eddp_put_context(ctx);
4672 /* free skb; it's not referenced by a buffer */
4674 dev_kfree_skb_any(new_skb);
4680 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4682 struct qeth_card *card = (struct qeth_card *) dev->priv;
4686 case MII_BMCR: /* Basic mode control register */
4688 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4689 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4690 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4691 rc |= BMCR_SPEED100;
4693 case MII_BMSR: /* Basic mode status register */
4694 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4695 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4698 case MII_PHYSID1: /* PHYS ID 1 */
4699 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4701 rc = (rc >> 5) & 0xFFFF;
4703 case MII_PHYSID2: /* PHYS ID 2 */
4704 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4706 case MII_ADVERTISE: /* Advertisement control reg */
4709 case MII_LPA: /* Link partner ability reg */
4710 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4711 LPA_100BASE4 | LPA_LPACK;
4713 case MII_EXPANSION: /* Expansion register */
4715 case MII_DCOUNTER: /* disconnect counter */
4717 case MII_FCSCOUNTER: /* false carrier counter */
4719 case MII_NWAYTEST: /* N-way auto-neg test register */
4721 case MII_RERRCOUNTER: /* rx error counter */
4722 rc = card->stats.rx_errors;
4724 case MII_SREVISION: /* silicon revision */
4726 case MII_RESV1: /* reserved 1 */
4728 case MII_LBRERROR: /* loopback, rx, bypass error */
4730 case MII_PHYADDR: /* physical address */
4732 case MII_RESV2: /* reserved 2 */
4734 case MII_TPISTATUS: /* TPI status for 10mbps */
4736 case MII_NCONFIG: /* network interface config */
4746 qeth_arp_get_error_cause(int *rc)
4749 case QETH_IPA_ARP_RC_FAILED:
4751 return "operation failed";
4752 case QETH_IPA_ARP_RC_NOTSUPP:
4754 return "operation not supported";
4755 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4757 return "argument out of range";
4758 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4760 return "query operation not supported";
4761 case QETH_IPA_ARP_RC_Q_NO_DATA:
4763 return "no query data available";
4765 return "unknown error";
4770 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4774 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4779 QETH_DBF_TEXT(trace,3,"arpstnoe");
4782 * currently GuestLAN only supports the ARP assist function
4783 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4784 * thus we say EOPNOTSUPP for this ARP function
4786 if (card->info.guestlan)
4788 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4789 PRINT_WARN("ARP processing not supported "
4790 "on %s!\n", QETH_CARD_IFNAME(card));
4793 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4794 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4798 PRINT_WARN("Could not set number of ARP entries on %s: "
4800 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4807 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4808 struct qeth_arp_query_data *qdata,
4809 int entry_size, int uentry_size)
4815 entry_ptr = (char *)&qdata->data;
4816 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4817 for (i = 0; i < qdata->no_entries; ++i){
4818 /* strip off 32 bytes "media specific information" */
4819 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4820 entry_ptr += entry_size;
4821 uentry_ptr += uentry_size;
4826 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4829 struct qeth_ipa_cmd *cmd;
4830 struct qeth_arp_query_data *qdata;
4831 struct qeth_arp_query_info *qinfo;
4836 QETH_DBF_TEXT(trace,4,"arpquecb");
4838 qinfo = (struct qeth_arp_query_info *) reply->param;
4839 cmd = (struct qeth_ipa_cmd *) data;
4840 if (cmd->hdr.return_code) {
4841 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4844 if (cmd->data.setassparms.hdr.return_code) {
4845 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4846 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4849 qdata = &cmd->data.setassparms.data.query_arp;
4850 switch(qdata->reply_bits){
4852 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4853 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4854 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4857 /* fall through to default */
4859 /* tr is the same as eth -> entry7 */
4860 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4861 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4862 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4865 /* check if there is enough room in userspace */
4866 if ((qinfo->udata_len - qinfo->udata_offset) <
4867 qdata->no_entries * uentry_size){
4868 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4869 cmd->hdr.return_code = -ENOMEM;
4870 PRINT_WARN("query ARP user space buffer is too small for "
4871 "the returned number of ARP entries. "
4872 "Aborting query!\n");
4875 QETH_DBF_TEXT_(trace, 4, "anore%i",
4876 cmd->data.setassparms.hdr.number_of_replies);
4877 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4878 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4880 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4881 /* strip off "media specific information" */
4882 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4885 /*copy entries to user buffer*/
4886 memcpy(qinfo->udata + qinfo->udata_offset,
4887 (char *)&qdata->data, qdata->no_entries*uentry_size);
4889 qinfo->no_entries += qdata->no_entries;
4890 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4891 /* check if all replies received ... */
4892 if (cmd->data.setassparms.hdr.seq_no <
4893 cmd->data.setassparms.hdr.number_of_replies)
4895 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4896 /* keep STRIP_ENTRIES flag so the user program can distinguish
4897 * stripped entries from normal ones */
4898 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4899 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4900 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4904 memcpy(qinfo->udata, &i, 4);
4909 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4910 int len, int (*reply_cb)(struct qeth_card *,
4911 struct qeth_reply *,
4915 QETH_DBF_TEXT(trace,4,"sendarp");
4917 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4918 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4919 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4920 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4921 reply_cb, reply_param);
4925 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4926 int len, int (*reply_cb)(struct qeth_card *,
4927 struct qeth_reply *,
4933 QETH_DBF_TEXT(trace,4,"sendsnmp");
4935 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4936 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4937 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4938 /* adjust PDU length fields in IPA_PDU_HEADER */
4939 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4941 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4942 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4943 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4944 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4945 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4946 reply_cb, reply_param);
4949 static struct qeth_cmd_buffer *
4950 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4951 __u16, __u16, enum qeth_prot_versions);
4953 qeth_arp_query(struct qeth_card *card, char __user *udata)
4955 struct qeth_cmd_buffer *iob;
4956 struct qeth_arp_query_info qinfo = {0, };
4960 QETH_DBF_TEXT(trace,3,"arpquery");
4962 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4963 IPA_ARP_PROCESSING)) {
4964 PRINT_WARN("ARP processing not supported "
4965 "on %s!\n", QETH_CARD_IFNAME(card));
4968 /* get size of userspace buffer and mask_bits -> 6 bytes */
4969 if (copy_from_user(&qinfo, udata, 6))
4971 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
4973 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4974 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4975 IPA_CMD_ASS_ARP_QUERY_INFO,
4976 sizeof(int),QETH_PROT_IPV4);
4978 rc = qeth_send_ipa_arp_cmd(card, iob,
4979 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4980 qeth_arp_query_cb, (void *)&qinfo);
4983 PRINT_WARN("Error while querying ARP cache on %s: %s "
4985 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4987 if (copy_to_user(udata, qinfo.udata, 4))
4990 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
4998 * SNMP command callback
5001 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
5002 unsigned long sdata)
5004 struct qeth_ipa_cmd *cmd;
5005 struct qeth_arp_query_info *qinfo;
5006 struct qeth_snmp_cmd *snmp;
5007 unsigned char *data;
5010 QETH_DBF_TEXT(trace,3,"snpcmdcb");
5012 cmd = (struct qeth_ipa_cmd *) sdata;
5013 data = (unsigned char *)((char *)cmd - reply->offset);
5014 qinfo = (struct qeth_arp_query_info *) reply->param;
5015 snmp = &cmd->data.setadapterparms.data.snmp;
5017 if (cmd->hdr.return_code) {
5018 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
5021 if (cmd->data.setadapterparms.hdr.return_code) {
5022 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
5023 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
5026 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
5027 if (cmd->data.setadapterparms.hdr.seq_no == 1)
5028 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
5030 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
5032 /* check if there is enough room in userspace */
5033 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
5034 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
5035 cmd->hdr.return_code = -ENOMEM;
5038 QETH_DBF_TEXT_(trace, 4, "snore%i",
5039 cmd->data.setadapterparms.hdr.used_total);
5040 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
5041 /*copy entries to user buffer*/
5042 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
5043 memcpy(qinfo->udata + qinfo->udata_offset,
5045 data_len + offsetof(struct qeth_snmp_cmd,data));
5046 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
5048 memcpy(qinfo->udata + qinfo->udata_offset,
5049 (char *)&snmp->request, data_len);
5051 qinfo->udata_offset += data_len;
5052 /* check if all replies received ... */
5053 QETH_DBF_TEXT_(trace, 4, "srtot%i",
5054 cmd->data.setadapterparms.hdr.used_total);
5055 QETH_DBF_TEXT_(trace, 4, "srseq%i",
5056 cmd->data.setadapterparms.hdr.seq_no);
5057 if (cmd->data.setadapterparms.hdr.seq_no <
5058 cmd->data.setadapterparms.hdr.used_total)
5063 static struct qeth_cmd_buffer *
5064 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
5065 enum qeth_prot_versions );
5067 static struct qeth_cmd_buffer *
5068 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
5070 struct qeth_cmd_buffer *iob;
5071 struct qeth_ipa_cmd *cmd;
5073 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
5075 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5076 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
5077 cmd->data.setadapterparms.hdr.command_code = command;
5078 cmd->data.setadapterparms.hdr.used_total = 1;
5079 cmd->data.setadapterparms.hdr.seq_no = 1;
5085 * function to send SNMP commands to OSA-E card
5088 qeth_snmp_command(struct qeth_card *card, char __user *udata)
5090 struct qeth_cmd_buffer *iob;
5091 struct qeth_ipa_cmd *cmd;
5092 struct qeth_snmp_ureq *ureq;
5094 struct qeth_arp_query_info qinfo = {0, };
5097 QETH_DBF_TEXT(trace,3,"snmpcmd");
5099 if (card->info.guestlan)
5102 if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
5103 (!card->options.layer2) ) {
5104 PRINT_WARN("SNMP Query MIBS not supported "
5105 "on %s!\n", QETH_CARD_IFNAME(card));
5108 /* skip 4 bytes (data_len struct member) to get req_len */
5109 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
5111 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
5113 QETH_DBF_TEXT(trace, 2, "snmpnome");
5116 if (copy_from_user(ureq, udata,
5117 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
5121 qinfo.udata_len = ureq->hdr.data_len;
5122 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
5126 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
5128 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
5129 QETH_SNMP_SETADP_CMDLENGTH + req_len);
5130 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5131 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
5132 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
5133 qeth_snmp_command_cb, (void *)&qinfo);
5135 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
5136 QETH_CARD_IFNAME(card), rc);
5138 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
5148 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
5152 qeth_default_setadapterparms_cb(struct qeth_card *card,
5153 struct qeth_reply *reply,
5154 unsigned long data);
5156 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5159 (struct qeth_card *, struct qeth_reply *, unsigned long),
5163 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5165 struct qeth_cmd_buffer *iob;
5170 QETH_DBF_TEXT(trace,3,"arpadent");
5173 * currently GuestLAN only supports the ARP assist function
5174 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5175 * thus we say EOPNOTSUPP for this ARP function
5177 if (card->info.guestlan)
5179 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5180 PRINT_WARN("ARP processing not supported "
5181 "on %s!\n", QETH_CARD_IFNAME(card));
5185 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5186 IPA_CMD_ASS_ARP_ADD_ENTRY,
5187 sizeof(struct qeth_arp_cache_entry),
5189 rc = qeth_send_setassparms(card, iob,
5190 sizeof(struct qeth_arp_cache_entry),
5191 (unsigned long) entry,
5192 qeth_default_setassparms_cb, NULL);
5195 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5196 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5198 buf, QETH_CARD_IFNAME(card),
5199 qeth_arp_get_error_cause(&rc), tmp, tmp);
5205 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5207 struct qeth_cmd_buffer *iob;
5208 char buf[16] = {0, };
5212 QETH_DBF_TEXT(trace,3,"arprment");
5215 * currently GuestLAN only supports the ARP assist function
5216 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5217 * thus we say EOPNOTSUPP for this ARP function
5219 if (card->info.guestlan)
5221 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5222 PRINT_WARN("ARP processing not supported "
5223 "on %s!\n", QETH_CARD_IFNAME(card));
5226 memcpy(buf, entry, 12);
5227 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5228 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5231 rc = qeth_send_setassparms(card, iob,
5232 12, (unsigned long)buf,
5233 qeth_default_setassparms_cb, NULL);
5237 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5238 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5240 buf, QETH_CARD_IFNAME(card),
5241 qeth_arp_get_error_cause(&rc), tmp, tmp);
5247 qeth_arp_flush_cache(struct qeth_card *card)
5252 QETH_DBF_TEXT(trace,3,"arpflush");
5255 * currently GuestLAN only supports the ARP assist function
5256 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5257 * thus we say EOPNOTSUPP for this ARP function
5259 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5261 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5262 PRINT_WARN("ARP processing not supported "
5263 "on %s!\n", QETH_CARD_IFNAME(card));
5266 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5267 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5270 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5271 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5278 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5280 struct qeth_card *card = (struct qeth_card *)dev->priv;
5281 struct qeth_arp_cache_entry arp_entry;
5282 struct mii_ioctl_data *mii_data;
5288 if ((card->state != CARD_STATE_UP) &&
5289 (card->state != CARD_STATE_SOFTSETUP))
5292 if (card->info.type == QETH_CARD_TYPE_OSN)
5296 case SIOC_QETH_ARP_SET_NO_ENTRIES:
5297 if ( !capable(CAP_NET_ADMIN) ||
5298 (card->options.layer2) ) {
5302 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5304 case SIOC_QETH_ARP_QUERY_INFO:
5305 if ( !capable(CAP_NET_ADMIN) ||
5306 (card->options.layer2) ) {
5310 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5312 case SIOC_QETH_ARP_ADD_ENTRY:
5313 if ( !capable(CAP_NET_ADMIN) ||
5314 (card->options.layer2) ) {
5318 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5319 sizeof(struct qeth_arp_cache_entry)))
5322 rc = qeth_arp_add_entry(card, &arp_entry);
5324 case SIOC_QETH_ARP_REMOVE_ENTRY:
5325 if ( !capable(CAP_NET_ADMIN) ||
5326 (card->options.layer2) ) {
5330 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5331 sizeof(struct qeth_arp_cache_entry)))
5334 rc = qeth_arp_remove_entry(card, &arp_entry);
5336 case SIOC_QETH_ARP_FLUSH_CACHE:
5337 if ( !capable(CAP_NET_ADMIN) ||
5338 (card->options.layer2) ) {
5342 rc = qeth_arp_flush_cache(card);
5344 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5345 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5347 case SIOC_QETH_GET_CARD_TYPE:
5348 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5349 !card->info.guestlan)
5354 mii_data = if_mii(rq);
5355 mii_data->phy_id = 0;
5358 mii_data = if_mii(rq);
5359 if (mii_data->phy_id != 0)
5362 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5369 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5373 static struct net_device_stats *
5374 qeth_get_stats(struct net_device *dev)
5376 struct qeth_card *card;
5378 card = (struct qeth_card *) (dev->priv);
5380 QETH_DBF_TEXT(trace,5,"getstat");
5382 return &card->stats;
5386 qeth_change_mtu(struct net_device *dev, int new_mtu)
5388 struct qeth_card *card;
5391 card = (struct qeth_card *) (dev->priv);
5393 QETH_DBF_TEXT(trace,4,"chgmtu");
5394 sprintf(dbf_text, "%8x", new_mtu);
5395 QETH_DBF_TEXT(trace,4,dbf_text);
5399 if (new_mtu > 65535)
5401 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5402 (!qeth_mtu_is_valid(card, new_mtu)))
5408 #ifdef CONFIG_QETH_VLAN
5410 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5412 struct qeth_card *card;
5413 unsigned long flags;
5415 QETH_DBF_TEXT(trace,4,"vlanreg");
5417 card = (struct qeth_card *) dev->priv;
5418 spin_lock_irqsave(&card->vlanlock, flags);
5419 card->vlangrp = grp;
5420 spin_unlock_irqrestore(&card->vlanlock, flags);
5424 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5428 struct sk_buff *skb;
5429 struct sk_buff_head tmp_list;
5431 skb_queue_head_init(&tmp_list);
5432 lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key);
5433 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5434 while ((skb = skb_dequeue(&buf->skb_list))){
5435 if (vlan_tx_tag_present(skb) &&
5436 (vlan_tx_tag_get(skb) == vid)) {
5437 atomic_dec(&skb->users);
5440 skb_queue_tail(&tmp_list, skb);
5443 while ((skb = skb_dequeue(&tmp_list)))
5444 skb_queue_tail(&buf->skb_list, skb);
5448 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5452 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5453 for (i = 0; i < card->qdio.no_out_queues; ++i){
5454 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5455 qeth_free_vlan_buffer(card, &card->qdio.
5456 out_qs[i]->bufs[j], vid);
5461 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5463 struct in_device *in_dev;
5464 struct in_ifaddr *ifa;
5465 struct qeth_ipaddr *addr;
5467 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5470 in_dev = __in_dev_get_rcu(vlan_group_get_device(card->vlangrp, vid));
5473 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5474 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5476 addr->u.a4.addr = ifa->ifa_address;
5477 addr->u.a4.mask = ifa->ifa_mask;
5478 addr->type = QETH_IP_TYPE_NORMAL;
5479 if (!qeth_delete_ip(card, addr))
5488 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5490 #ifdef CONFIG_QETH_IPV6
5491 struct inet6_dev *in6_dev;
5492 struct inet6_ifaddr *ifa;
5493 struct qeth_ipaddr *addr;
5495 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5497 in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid));
5500 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5501 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5503 memcpy(&addr->u.a6.addr, &ifa->addr,
5504 sizeof(struct in6_addr));
5505 addr->u.a6.pfxlen = ifa->prefix_len;
5506 addr->type = QETH_IP_TYPE_NORMAL;
5507 if (!qeth_delete_ip(card, addr))
5511 in6_dev_put(in6_dev);
5512 #endif /* CONFIG_QETH_IPV6 */
5516 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5518 if (card->options.layer2 || !card->vlangrp)
5520 qeth_free_vlan_addresses4(card, vid);
5521 qeth_free_vlan_addresses6(card, vid);
5525 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5526 struct qeth_reply *reply,
5529 struct qeth_ipa_cmd *cmd;
5531 QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5532 cmd = (struct qeth_ipa_cmd *) data;
5533 if (cmd->hdr.return_code) {
5534 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5535 "Continuing\n",cmd->data.setdelvlan.vlan_id,
5536 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5537 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5538 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5539 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5545 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5546 enum qeth_ipa_cmds ipacmd)
5548 struct qeth_ipa_cmd *cmd;
5549 struct qeth_cmd_buffer *iob;
5551 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5552 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5553 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5554 cmd->data.setdelvlan.vlan_id = i;
5555 return qeth_send_ipa_cmd(card, iob,
5556 qeth_layer2_send_setdelvlan_cb, NULL);
5560 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5564 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5568 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5569 if (vlan_group_get_device(card->vlangrp, i) == NULL)
5572 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5574 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5578 /*add_vid is layer 2 used only ....*/
5580 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5582 struct qeth_card *card;
5584 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5586 card = (struct qeth_card *) dev->priv;
5587 if (!card->options.layer2)
5589 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5592 /*... kill_vid used for both modes*/
5594 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5596 struct qeth_card *card;
5597 unsigned long flags;
5599 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5601 card = (struct qeth_card *) dev->priv;
5602 /* free all skbs for the vlan device */
5603 qeth_free_vlan_skbs(card, vid);
5604 spin_lock_irqsave(&card->vlanlock, flags);
5605 /* unregister IP addresses of vlan device */
5606 qeth_free_vlan_addresses(card, vid);
5607 vlan_group_set_device(card->vlangrp, vid, NULL);
5608 spin_unlock_irqrestore(&card->vlanlock, flags);
5609 if (card->options.layer2)
5610 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5611 qeth_set_multicast_list(card->dev);
5615 * Examine hardware response to SET_PROMISC_MODE
5618 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5619 struct qeth_reply *reply,
5622 struct qeth_ipa_cmd *cmd;
5623 struct qeth_ipacmd_setadpparms *setparms;
5625 QETH_DBF_TEXT(trace,4,"prmadpcb");
5627 cmd = (struct qeth_ipa_cmd *) data;
5628 setparms = &(cmd->data.setadapterparms);
5630 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5631 if (cmd->hdr.return_code) {
5632 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5633 setparms->data.mode = SET_PROMISC_MODE_OFF;
5635 card->info.promisc_mode = setparms->data.mode;
5639 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5642 qeth_setadp_promisc_mode(struct qeth_card *card)
5644 enum qeth_ipa_promisc_modes mode;
5645 struct net_device *dev = card->dev;
5646 struct qeth_cmd_buffer *iob;
5647 struct qeth_ipa_cmd *cmd;
5649 QETH_DBF_TEXT(trace, 4, "setprom");
5651 if (((dev->flags & IFF_PROMISC) &&
5652 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5653 (!(dev->flags & IFF_PROMISC) &&
5654 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5656 mode = SET_PROMISC_MODE_OFF;
5657 if (dev->flags & IFF_PROMISC)
5658 mode = SET_PROMISC_MODE_ON;
5659 QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5661 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5662 sizeof(struct qeth_ipacmd_setadpparms));
5663 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5664 cmd->data.setadapterparms.data.mode = mode;
5665 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5669 * set multicast address on card
5672 qeth_set_multicast_list(struct net_device *dev)
5674 struct qeth_card *card = (struct qeth_card *) dev->priv;
5676 if (card->info.type == QETH_CARD_TYPE_OSN)
5679 QETH_DBF_TEXT(trace, 3, "setmulti");
5680 qeth_delete_mc_addresses(card);
5681 if (card->options.layer2) {
5682 qeth_layer2_add_multicast(card);
5685 qeth_add_multicast_ipv4(card);
5686 #ifdef CONFIG_QETH_IPV6
5687 qeth_add_multicast_ipv6(card);
5690 qeth_set_ip_addr_list(card);
5691 if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5693 qeth_setadp_promisc_mode(card);
5697 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5703 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5705 if (dev->type == ARPHRD_IEEE802_TR)
5706 ip_tr_mc_map(ipm, mac);
5708 ip_eth_mc_map(ipm, mac);
5711 static struct qeth_ipaddr *
5712 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5714 struct qeth_ipaddr *addr;
5716 addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5718 PRINT_WARN("Not enough memory to add address\n");
5721 addr->type = QETH_IP_TYPE_NORMAL;
5727 qeth_osn_assist(struct net_device *dev,
5731 struct qeth_cmd_buffer *iob;
5732 struct qeth_card *card;
5735 QETH_DBF_TEXT(trace, 2, "osnsdmc");
5738 card = (struct qeth_card *)dev->priv;
5741 if ((card->state != CARD_STATE_UP) &&
5742 (card->state != CARD_STATE_SOFTSETUP))
5744 iob = qeth_wait_for_buffer(&card->write);
5745 memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5746 rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5750 static struct net_device *
5751 qeth_netdev_by_devno(unsigned char *read_dev_no)
5753 struct qeth_card *card;
5754 struct net_device *ndev;
5755 unsigned char *readno;
5756 __u16 temp_dev_no, card_dev_no;
5758 unsigned long flags;
5761 memcpy(&temp_dev_no, read_dev_no, 2);
5762 read_lock_irqsave(&qeth_card_list.rwlock, flags);
5763 list_for_each_entry(card, &qeth_card_list.list, list) {
5764 readno = CARD_RDEV_ID(card);
5765 readno += (strlen(readno) - 4);
5766 card_dev_no = simple_strtoul(readno, &endp, 16);
5767 if (card_dev_no == temp_dev_no) {
5772 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5777 qeth_osn_register(unsigned char *read_dev_no,
5778 struct net_device **dev,
5779 int (*assist_cb)(struct net_device *, void *),
5780 int (*data_cb)(struct sk_buff *))
5782 struct qeth_card * card;
5784 QETH_DBF_TEXT(trace, 2, "osnreg");
5785 *dev = qeth_netdev_by_devno(read_dev_no);
5788 card = (struct qeth_card *)(*dev)->priv;
5791 if ((assist_cb == NULL) || (data_cb == NULL))
5793 card->osn_info.assist_cb = assist_cb;
5794 card->osn_info.data_cb = data_cb;
5799 qeth_osn_deregister(struct net_device * dev)
5801 struct qeth_card *card;
5803 QETH_DBF_TEXT(trace, 2, "osndereg");
5806 card = (struct qeth_card *)dev->priv;
5809 card->osn_info.assist_cb = NULL;
5810 card->osn_info.data_cb = NULL;
5815 qeth_delete_mc_addresses(struct qeth_card *card)
5817 struct qeth_ipaddr *iptodo;
5818 unsigned long flags;
5820 QETH_DBF_TEXT(trace,4,"delmc");
5821 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5823 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5826 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5827 spin_lock_irqsave(&card->ip_lock, flags);
5828 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5830 spin_unlock_irqrestore(&card->ip_lock, flags);
5834 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5836 struct qeth_ipaddr *ipm;
5837 struct ip_mc_list *im4;
5838 char buf[MAX_ADDR_LEN];
5840 QETH_DBF_TEXT(trace,4,"addmc");
5841 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5842 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5843 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5846 ipm->u.a4.addr = im4->multiaddr;
5847 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5848 ipm->is_multicast = 1;
5849 if (!qeth_add_ip(card,ipm))
5855 qeth_add_vlan_mc(struct qeth_card *card)
5857 #ifdef CONFIG_QETH_VLAN
5858 struct in_device *in_dev;
5859 struct vlan_group *vg;
5862 QETH_DBF_TEXT(trace,4,"addmcvl");
5863 if ( ((card->options.layer2 == 0) &&
5864 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5865 (card->vlangrp == NULL) )
5869 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5870 struct net_device *netdev = vlan_group_get_device(vg, i);
5871 if (netdev == NULL ||
5872 !(netdev->flags & IFF_UP))
5874 in_dev = in_dev_get(netdev);
5877 read_lock(&in_dev->mc_list_lock);
5878 qeth_add_mc(card,in_dev);
5879 read_unlock(&in_dev->mc_list_lock);
5886 qeth_add_multicast_ipv4(struct qeth_card *card)
5888 struct in_device *in4_dev;
5890 QETH_DBF_TEXT(trace,4,"chkmcv4");
5891 in4_dev = in_dev_get(card->dev);
5892 if (in4_dev == NULL)
5894 read_lock(&in4_dev->mc_list_lock);
5895 qeth_add_mc(card, in4_dev);
5896 qeth_add_vlan_mc(card);
5897 read_unlock(&in4_dev->mc_list_lock);
5898 in_dev_put(in4_dev);
5902 qeth_layer2_add_multicast(struct qeth_card *card)
5904 struct qeth_ipaddr *ipm;
5905 struct dev_mc_list *dm;
5907 QETH_DBF_TEXT(trace,4,"L2addmc");
5908 for (dm = card->dev->mc_list; dm; dm = dm->next) {
5909 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5912 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5913 ipm->is_multicast = 1;
5914 if (!qeth_add_ip(card, ipm))
5919 #ifdef CONFIG_QETH_IPV6
5921 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5923 struct qeth_ipaddr *ipm;
5924 struct ifmcaddr6 *im6;
5925 char buf[MAX_ADDR_LEN];
5927 QETH_DBF_TEXT(trace,4,"addmc6");
5928 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5929 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5930 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5933 ipm->is_multicast = 1;
5934 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5935 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5936 sizeof(struct in6_addr));
5937 if (!qeth_add_ip(card,ipm))
5943 qeth_add_vlan_mc6(struct qeth_card *card)
5945 #ifdef CONFIG_QETH_VLAN
5946 struct inet6_dev *in_dev;
5947 struct vlan_group *vg;
5950 QETH_DBF_TEXT(trace,4,"admc6vl");
5951 if ( ((card->options.layer2 == 0) &&
5952 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5953 (card->vlangrp == NULL))
5957 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5958 struct net_device *netdev = vlan_group_get_device(vg, i);
5959 if (netdev == NULL ||
5960 !(netdev->flags & IFF_UP))
5962 in_dev = in6_dev_get(netdev);
5965 read_lock_bh(&in_dev->lock);
5966 qeth_add_mc6(card,in_dev);
5967 read_unlock_bh(&in_dev->lock);
5968 in6_dev_put(in_dev);
5970 #endif /* CONFIG_QETH_VLAN */
5974 qeth_add_multicast_ipv6(struct qeth_card *card)
5976 struct inet6_dev *in6_dev;
5978 QETH_DBF_TEXT(trace,4,"chkmcv6");
5979 if (!qeth_is_supported(card, IPA_IPV6))
5981 in6_dev = in6_dev_get(card->dev);
5982 if (in6_dev == NULL)
5984 read_lock_bh(&in6_dev->lock);
5985 qeth_add_mc6(card, in6_dev);
5986 qeth_add_vlan_mc6(card);
5987 read_unlock_bh(&in6_dev->lock);
5988 in6_dev_put(in6_dev);
5990 #endif /* CONFIG_QETH_IPV6 */
5993 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5994 enum qeth_ipa_cmds ipacmd,
5995 int (*reply_cb) (struct qeth_card *,
5999 struct qeth_ipa_cmd *cmd;
6000 struct qeth_cmd_buffer *iob;
6002 QETH_DBF_TEXT(trace, 2, "L2sdmac");
6003 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
6004 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6005 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
6006 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
6007 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
6011 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
6012 struct qeth_reply *reply,
6015 struct qeth_ipa_cmd *cmd;
6018 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
6019 cmd = (struct qeth_ipa_cmd *) data;
6020 mac = &cmd->data.setdelmac.mac[0];
6021 /* MAC already registered, needed in couple/uncouple case */
6022 if (cmd->hdr.return_code == 0x2005) {
6023 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
6024 "already existing on %s \n",
6025 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
6026 QETH_CARD_IFNAME(card));
6027 cmd->hdr.return_code = 0;
6029 if (cmd->hdr.return_code)
6030 PRINT_ERR("Could not set group MAC " \
6031 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
6032 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
6033 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
6038 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
6040 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
6041 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
6042 qeth_layer2_send_setgroupmac_cb);
6046 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
6047 struct qeth_reply *reply,
6050 struct qeth_ipa_cmd *cmd;
6053 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
6054 cmd = (struct qeth_ipa_cmd *) data;
6055 mac = &cmd->data.setdelmac.mac[0];
6056 if (cmd->hdr.return_code)
6057 PRINT_ERR("Could not delete group MAC " \
6058 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
6059 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
6060 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
6065 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
6067 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
6068 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
6069 qeth_layer2_send_delgroupmac_cb);
6073 qeth_layer2_send_setmac_cb(struct qeth_card *card,
6074 struct qeth_reply *reply,
6077 struct qeth_ipa_cmd *cmd;
6079 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
6080 cmd = (struct qeth_ipa_cmd *) data;
6081 if (cmd->hdr.return_code) {
6082 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
6083 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
6084 cmd->hdr.return_code = -EIO;
6086 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
6087 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
6089 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
6090 "successfully registered on device %s\n",
6091 card->dev->dev_addr[0], card->dev->dev_addr[1],
6092 card->dev->dev_addr[2], card->dev->dev_addr[3],
6093 card->dev->dev_addr[4], card->dev->dev_addr[5],
6100 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
6102 QETH_DBF_TEXT(trace, 2, "L2Setmac");
6103 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
6104 qeth_layer2_send_setmac_cb);
6108 qeth_layer2_send_delmac_cb(struct qeth_card *card,
6109 struct qeth_reply *reply,
6112 struct qeth_ipa_cmd *cmd;
6114 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
6115 cmd = (struct qeth_ipa_cmd *) data;
6116 if (cmd->hdr.return_code) {
6117 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
6118 cmd->hdr.return_code = -EIO;
6121 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
6126 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
6128 QETH_DBF_TEXT(trace, 2, "L2Delmac");
6129 if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
6131 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
6132 qeth_layer2_send_delmac_cb);
6136 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
6138 struct sockaddr *addr = p;
6139 struct qeth_card *card;
6142 QETH_DBF_TEXT(trace, 3, "setmac");
6144 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
6145 QETH_DBF_TEXT(trace, 3, "setmcINV");
6148 card = (struct qeth_card *) dev->priv;
6150 if (!card->options.layer2) {
6151 PRINT_WARN("Setting MAC address on %s is not supported "
6152 "in Layer 3 mode.\n", dev->name);
6153 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6156 if (card->info.type == QETH_CARD_TYPE_OSN) {
6157 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6159 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6162 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6163 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6164 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6166 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6171 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6172 __u8 command, enum qeth_prot_versions prot)
6174 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6175 cmd->hdr.command = command;
6176 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6177 cmd->hdr.seqno = card->seqno.ipa;
6178 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6179 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6180 if (card->options.layer2)
6181 cmd->hdr.prim_version_no = 2;
6183 cmd->hdr.prim_version_no = 1;
6184 cmd->hdr.param_count = 1;
6185 cmd->hdr.prot_version = prot;
6186 cmd->hdr.ipa_supported = 0;
6187 cmd->hdr.ipa_enabled = 0;
6190 static struct qeth_cmd_buffer *
6191 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6192 enum qeth_prot_versions prot)
6194 struct qeth_cmd_buffer *iob;
6195 struct qeth_ipa_cmd *cmd;
6197 iob = qeth_wait_for_buffer(&card->write);
6198 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6199 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6205 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6208 struct qeth_cmd_buffer *iob;
6209 struct qeth_ipa_cmd *cmd;
6211 QETH_DBF_TEXT(trace,4,"setdelmc");
6213 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6214 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6215 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6216 if (addr->proto == QETH_PROT_IPV6)
6217 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6218 sizeof(struct in6_addr));
6220 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6222 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6227 qeth_fill_netmask(u8 *netmask, unsigned int len)
6230 for (i=0;i<16;i++) {
6235 netmask[i] = (u8)(0xFF00>>j);
6242 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6243 int ipacmd, unsigned int flags)
6246 struct qeth_cmd_buffer *iob;
6247 struct qeth_ipa_cmd *cmd;
6250 QETH_DBF_TEXT(trace,4,"setdelip");
6251 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6253 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6254 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6255 if (addr->proto == QETH_PROT_IPV6) {
6256 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6257 sizeof(struct in6_addr));
6258 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6259 memcpy(cmd->data.setdelip6.mask, netmask,
6260 sizeof(struct in6_addr));
6261 cmd->data.setdelip6.flags = flags;
6263 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6264 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6265 cmd->data.setdelip4.flags = flags;
6268 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6274 qeth_layer2_register_addr_entry(struct qeth_card *card,
6275 struct qeth_ipaddr *addr)
6277 if (!addr->is_multicast)
6279 QETH_DBF_TEXT(trace, 2, "setgmac");
6280 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6281 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6285 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6286 struct qeth_ipaddr *addr)
6288 if (!addr->is_multicast)
6290 QETH_DBF_TEXT(trace, 2, "delgmac");
6291 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6292 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6296 qeth_layer3_register_addr_entry(struct qeth_card *card,
6297 struct qeth_ipaddr *addr)
6303 if (addr->proto == QETH_PROT_IPV4) {
6304 QETH_DBF_TEXT(trace, 2,"setaddr4");
6305 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6306 } else if (addr->proto == QETH_PROT_IPV6) {
6307 QETH_DBF_TEXT(trace, 2, "setaddr6");
6308 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6309 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6311 QETH_DBF_TEXT(trace, 2, "setaddr?");
6312 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6315 if (addr->is_multicast)
6316 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6318 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6321 QETH_DBF_TEXT(trace, 2, "failed");
6322 } while ((--cnt > 0) && rc);
6324 QETH_DBF_TEXT(trace, 2, "FAILED");
6325 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6326 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6333 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6334 struct qeth_ipaddr *addr)
6339 if (addr->proto == QETH_PROT_IPV4) {
6340 QETH_DBF_TEXT(trace, 2,"deladdr4");
6341 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6342 } else if (addr->proto == QETH_PROT_IPV6) {
6343 QETH_DBF_TEXT(trace, 2, "deladdr6");
6344 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6345 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6347 QETH_DBF_TEXT(trace, 2, "deladdr?");
6348 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6350 if (addr->is_multicast)
6351 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6353 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6356 QETH_DBF_TEXT(trace, 2, "failed");
6357 /* TODO: re-activate this warning as soon as we have a
6359 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6360 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6368 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6370 if (card->options.layer2)
6371 return qeth_layer2_register_addr_entry(card, addr);
6373 return qeth_layer3_register_addr_entry(card, addr);
6377 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6379 if (card->options.layer2)
6380 return qeth_layer2_deregister_addr_entry(card, addr);
6382 return qeth_layer3_deregister_addr_entry(card, addr);
6386 qeth_ethtool_get_tx_csum(struct net_device *dev)
6388 /* We may need to say that we support tx csum offload if
6389 * we do EDDP or TSO. There are discussions going on to
6390 * enforce rules in the stack and in ethtool that make
6391 * SG and TSO depend on HW_CSUM. At the moment there are
6393 * If we say yes here, we have to checksum outbound packets
6399 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6405 qeth_ethtool_get_rx_csum(struct net_device *dev)
6407 struct qeth_card *card = (struct qeth_card *)dev->priv;
6409 return (card->options.checksum_type == HW_CHECKSUMMING);
6413 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6415 struct qeth_card *card = (struct qeth_card *)dev->priv;
6417 if ((card->state != CARD_STATE_DOWN) &&
6418 (card->state != CARD_STATE_RECOVER))
6421 card->options.checksum_type = HW_CHECKSUMMING;
6423 card->options.checksum_type = SW_CHECKSUMMING;
6428 qeth_ethtool_get_sg(struct net_device *dev)
6430 struct qeth_card *card = (struct qeth_card *)dev->priv;
6432 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6433 (dev->features & NETIF_F_SG));
6437 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6439 struct qeth_card *card = (struct qeth_card *)dev->priv;
6442 if (card->options.large_send != QETH_LARGE_SEND_NO)
6443 dev->features |= NETIF_F_SG;
6445 dev->features &= ~NETIF_F_SG;
6449 dev->features &= ~NETIF_F_SG;
6454 qeth_ethtool_get_tso(struct net_device *dev)
6456 struct qeth_card *card = (struct qeth_card *)dev->priv;
6458 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6459 (dev->features & NETIF_F_TSO));
6463 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6465 struct qeth_card *card = (struct qeth_card *)dev->priv;
6468 if (card->options.large_send != QETH_LARGE_SEND_NO)
6469 dev->features |= NETIF_F_TSO;
6471 dev->features &= ~NETIF_F_TSO;
6475 dev->features &= ~NETIF_F_TSO;
6479 static struct ethtool_ops qeth_ethtool_ops = {
6480 .get_tx_csum = qeth_ethtool_get_tx_csum,
6481 .set_tx_csum = qeth_ethtool_set_tx_csum,
6482 .get_rx_csum = qeth_ethtool_get_rx_csum,
6483 .set_rx_csum = qeth_ethtool_set_rx_csum,
6484 .get_sg = qeth_ethtool_get_sg,
6485 .set_sg = qeth_ethtool_set_sg,
6486 .get_tso = qeth_ethtool_get_tso,
6487 .set_tso = qeth_ethtool_set_tso,
6491 qeth_hard_header_parse(struct sk_buff *skb, unsigned char *haddr)
6493 struct qeth_card *card;
6496 card = qeth_get_card_from_dev(skb->dev);
6497 if (card->options.layer2)
6499 #ifdef CONFIG_QETH_IPV6
6500 /* cause of the manipulated arp constructor and the ARP
6501 flag for OSAE devices we have some nasty exceptions */
6502 if (card->info.type == QETH_CARD_TYPE_OSAE) {
6503 if (!card->options.fake_ll) {
6504 if ((skb->pkt_type==PACKET_OUTGOING) &&
6505 (skb->protocol==ETH_P_IPV6))
6510 if ((skb->pkt_type==PACKET_OUTGOING) &&
6511 (skb->protocol==ETH_P_IP))
6518 if (!card->options.fake_ll)
6522 memcpy(haddr, eth->h_source, ETH_ALEN);
6527 qeth_netdev_init(struct net_device *dev)
6529 struct qeth_card *card;
6531 card = (struct qeth_card *) dev->priv;
6533 QETH_DBF_TEXT(trace,3,"initdev");
6535 dev->tx_timeout = &qeth_tx_timeout;
6536 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6537 dev->open = qeth_open;
6538 dev->stop = qeth_stop;
6539 dev->hard_start_xmit = qeth_hard_start_xmit;
6540 dev->do_ioctl = qeth_do_ioctl;
6541 dev->get_stats = qeth_get_stats;
6542 dev->change_mtu = qeth_change_mtu;
6543 dev->neigh_setup = qeth_neigh_setup;
6544 dev->set_multicast_list = qeth_set_multicast_list;
6545 #ifdef CONFIG_QETH_VLAN
6546 dev->vlan_rx_register = qeth_vlan_rx_register;
6547 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6548 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6550 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6551 dev->rebuild_header = NULL;
6552 dev->hard_header = NULL;
6553 dev->header_cache_update = NULL;
6554 dev->hard_header_cache = NULL;
6556 #ifdef CONFIG_QETH_IPV6
6557 /*IPv6 address autoconfiguration stuff*/
6558 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6559 card->dev->dev_id = card->info.unique_id & 0xffff;
6561 if (card->options.fake_ll &&
6562 (qeth_get_netdev_flags(card) & IFF_NOARP))
6563 dev->hard_header = qeth_fake_header;
6564 if (dev->type == ARPHRD_IEEE802_TR)
6565 dev->hard_header_parse = NULL;
6567 dev->hard_header_parse = qeth_hard_header_parse;
6568 dev->set_mac_address = qeth_layer2_set_mac_address;
6569 dev->flags |= qeth_get_netdev_flags(card);
6570 if ((card->options.fake_broadcast) ||
6571 (card->info.broadcast_capable))
6572 dev->flags |= IFF_BROADCAST;
6573 dev->hard_header_len =
6574 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6575 dev->addr_len = OSA_ADDR_LEN;
6576 dev->mtu = card->info.initial_mtu;
6577 if (card->info.type != QETH_CARD_TYPE_OSN)
6578 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6579 SET_MODULE_OWNER(dev);
6584 qeth_init_func_level(struct qeth_card *card)
6586 if (card->ipato.enabled) {
6587 if (card->info.type == QETH_CARD_TYPE_IQD)
6588 card->info.func_level =
6589 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6591 card->info.func_level =
6592 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6594 if (card->info.type == QETH_CARD_TYPE_IQD)
6595 /*FIXME:why do we have same values for dis and ena for osae??? */
6596 card->info.func_level =
6597 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6599 card->info.func_level =
6600 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6605 * hardsetup card, initialize MPC and QDIO stuff
6608 qeth_hardsetup_card(struct qeth_card *card)
6613 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6615 atomic_set(&card->force_alloc_skb, 0);
6618 PRINT_WARN("Retrying to do IDX activates.\n");
6619 ccw_device_set_offline(CARD_DDEV(card));
6620 ccw_device_set_offline(CARD_WDEV(card));
6621 ccw_device_set_offline(CARD_RDEV(card));
6622 ccw_device_set_online(CARD_RDEV(card));
6623 ccw_device_set_online(CARD_WDEV(card));
6624 ccw_device_set_online(CARD_DDEV(card));
6626 rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6627 if (rc == -ERESTARTSYS) {
6628 QETH_DBF_TEXT(setup, 2, "break1");
6631 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6637 if ((rc = qeth_get_unitaddr(card))){
6638 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6641 qeth_init_tokens(card);
6642 qeth_init_func_level(card);
6643 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6644 if (rc == -ERESTARTSYS) {
6645 QETH_DBF_TEXT(setup, 2, "break2");
6648 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6654 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6655 if (rc == -ERESTARTSYS) {
6656 QETH_DBF_TEXT(setup, 2, "break3");
6659 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6665 if ((rc = qeth_mpc_initialize(card))){
6666 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6669 /*network device will be recovered*/
6671 card->dev->hard_header = card->orig_hard_header;
6672 if (card->options.fake_ll &&
6673 (qeth_get_netdev_flags(card) & IFF_NOARP))
6674 card->dev->hard_header = qeth_fake_header;
6677 /* at first set_online allocate netdev */
6678 card->dev = qeth_get_netdevice(card->info.type,
6679 card->info.link_type);
6681 qeth_qdio_clear_card(card, card->info.type !=
6682 QETH_CARD_TYPE_IQD);
6684 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6687 card->dev->priv = card;
6688 card->orig_hard_header = card->dev->hard_header;
6689 card->dev->type = qeth_get_arphdr_type(card->info.type,
6690 card->info.link_type);
6691 card->dev->init = qeth_netdev_init;
6694 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6699 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6702 struct qeth_ipa_cmd *cmd;
6704 QETH_DBF_TEXT(trace,4,"defadpcb");
6706 cmd = (struct qeth_ipa_cmd *) data;
6707 if (cmd->hdr.return_code == 0){
6708 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6709 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6710 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6711 #ifdef CONFIG_QETH_IPV6
6712 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6713 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6716 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6717 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6718 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6719 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6725 qeth_default_setadapterparms_cb(struct qeth_card *card,
6726 struct qeth_reply *reply,
6729 struct qeth_ipa_cmd *cmd;
6731 QETH_DBF_TEXT(trace,4,"defadpcb");
6733 cmd = (struct qeth_ipa_cmd *) data;
6734 if (cmd->hdr.return_code == 0)
6735 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6742 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6745 struct qeth_ipa_cmd *cmd;
6747 QETH_DBF_TEXT(trace,3,"quyadpcb");
6749 cmd = (struct qeth_ipa_cmd *) data;
6750 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6751 card->info.link_type =
6752 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6753 card->options.adp.supported_funcs =
6754 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6755 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6759 qeth_query_setadapterparms(struct qeth_card *card)
6762 struct qeth_cmd_buffer *iob;
6764 QETH_DBF_TEXT(trace,3,"queryadp");
6765 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6766 sizeof(struct qeth_ipacmd_setadpparms));
6767 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6772 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6773 struct qeth_reply *reply,
6776 struct qeth_ipa_cmd *cmd;
6778 QETH_DBF_TEXT(trace,4,"chgmaccb");
6780 cmd = (struct qeth_ipa_cmd *) data;
6781 if (!card->options.layer2 ||
6782 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6783 memcpy(card->dev->dev_addr,
6784 &cmd->data.setadapterparms.data.change_addr.addr,
6786 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6788 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6793 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6796 struct qeth_cmd_buffer *iob;
6797 struct qeth_ipa_cmd *cmd;
6799 QETH_DBF_TEXT(trace,4,"chgmac");
6801 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6802 sizeof(struct qeth_ipacmd_setadpparms));
6803 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6804 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6805 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6806 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6807 card->dev->dev_addr, OSA_ADDR_LEN);
6808 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6814 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6817 struct qeth_cmd_buffer *iob;
6818 struct qeth_ipa_cmd *cmd;
6820 QETH_DBF_TEXT(trace,4,"adpmode");
6822 iob = qeth_get_adapter_cmd(card, command,
6823 sizeof(struct qeth_ipacmd_setadpparms));
6824 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6825 cmd->data.setadapterparms.data.mode = mode;
6826 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6832 qeth_setadapter_hstr(struct qeth_card *card)
6836 QETH_DBF_TEXT(trace,4,"adphstr");
6838 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6839 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6840 card->options.broadcast_mode);
6842 PRINT_WARN("couldn't set broadcast mode on "
6844 CARD_BUS_ID(card), rc);
6845 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6846 card->options.macaddr_mode);
6848 PRINT_WARN("couldn't set macaddr mode on "
6849 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6852 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6853 PRINT_WARN("set adapter parameters not available "
6854 "to set broadcast mode, using ALLRINGS "
6855 "on device %s:\n", CARD_BUS_ID(card));
6856 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6857 PRINT_WARN("set adapter parameters not available "
6858 "to set macaddr mode, using NONCANONICAL "
6859 "on device %s:\n", CARD_BUS_ID(card));
6864 qeth_setadapter_parms(struct qeth_card *card)
6868 QETH_DBF_TEXT(setup, 2, "setadprm");
6870 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6871 PRINT_WARN("set adapter parameters not supported "
6874 QETH_DBF_TEXT(setup, 2, " notsupp");
6877 rc = qeth_query_setadapterparms(card);
6879 PRINT_WARN("couldn't set adapter parameters on device %s: "
6880 "x%x\n", CARD_BUS_ID(card), rc);
6883 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6884 rc = qeth_setadpparms_change_macaddr(card);
6886 PRINT_WARN("couldn't get MAC address on "
6888 CARD_BUS_ID(card), rc);
6891 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6892 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6893 rc = qeth_setadapter_hstr(card);
6899 qeth_layer2_initialize(struct qeth_card *card)
6904 QETH_DBF_TEXT(setup, 2, "doL2init");
6905 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6907 rc = qeth_query_setadapterparms(card);
6909 PRINT_WARN("could not query adapter parameters on device %s: "
6910 "x%x\n", CARD_BUS_ID(card), rc);
6913 rc = qeth_setadpparms_change_macaddr(card);
6915 PRINT_WARN("couldn't get MAC address on "
6917 CARD_BUS_ID(card), rc);
6918 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6921 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6923 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6925 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6931 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6932 enum qeth_prot_versions prot)
6935 struct qeth_cmd_buffer *iob;
6937 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6938 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6944 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6948 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6950 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6955 qeth_send_stoplan(struct qeth_card *card)
6960 * TODO: according to the IPA format document page 14,
6961 * TCP/IP (we!) never issue a STOPLAN
6964 QETH_DBF_TEXT(trace, 2, "stoplan");
6966 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6971 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6974 struct qeth_ipa_cmd *cmd;
6976 QETH_DBF_TEXT(setup, 2, "qipasscb");
6978 cmd = (struct qeth_ipa_cmd *) data;
6979 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6980 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6981 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6982 /* Disable IPV6 support hard coded for Hipersockets */
6983 if(card->info.type == QETH_CARD_TYPE_IQD)
6984 card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6986 #ifdef CONFIG_QETH_IPV6
6987 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6988 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6991 QETH_DBF_TEXT(setup, 2, "suppenbl");
6992 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6993 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6998 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
7001 struct qeth_cmd_buffer *iob;
7003 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
7004 if (card->options.layer2) {
7005 QETH_DBF_TEXT(setup, 2, "noprmly2");
7009 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
7010 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
7014 static struct qeth_cmd_buffer *
7015 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
7016 __u16 cmd_code, __u16 len,
7017 enum qeth_prot_versions prot)
7019 struct qeth_cmd_buffer *iob;
7020 struct qeth_ipa_cmd *cmd;
7022 QETH_DBF_TEXT(trace,4,"getasscm");
7023 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
7025 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7026 cmd->data.setassparms.hdr.assist_no = ipa_func;
7027 cmd->data.setassparms.hdr.length = 8 + len;
7028 cmd->data.setassparms.hdr.command_code = cmd_code;
7029 cmd->data.setassparms.hdr.return_code = 0;
7030 cmd->data.setassparms.hdr.seq_no = 0;
7036 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
7037 __u16 len, long data,
7039 (struct qeth_card *,struct qeth_reply *,unsigned long),
7043 struct qeth_ipa_cmd *cmd;
7045 QETH_DBF_TEXT(trace,4,"sendassp");
7047 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7048 if (len <= sizeof(__u32))
7049 cmd->data.setassparms.data.flags_32bit = (__u32) data;
7050 else /* (len > sizeof(__u32)) */
7051 memcpy(&cmd->data.setassparms.data, (void *) data, len);
7053 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
7057 #ifdef CONFIG_QETH_IPV6
7059 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
7060 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
7064 struct qeth_cmd_buffer *iob;
7066 QETH_DBF_TEXT(trace,4,"simassp6");
7067 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
7069 rc = qeth_send_setassparms(card, iob, 0, 0,
7070 qeth_default_setassparms_cb, NULL);
7076 qeth_send_simple_setassparms(struct qeth_card *card,
7077 enum qeth_ipa_funcs ipa_func,
7078 __u16 cmd_code, long data)
7082 struct qeth_cmd_buffer *iob;
7084 QETH_DBF_TEXT(trace,4,"simassp4");
7086 length = sizeof(__u32);
7087 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
7088 length, QETH_PROT_IPV4);
7089 rc = qeth_send_setassparms(card, iob, length, data,
7090 qeth_default_setassparms_cb, NULL);
7095 qeth_start_ipa_arp_processing(struct qeth_card *card)
7099 QETH_DBF_TEXT(trace,3,"ipaarp");
7101 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
7102 PRINT_WARN("ARP processing not supported "
7103 "on %s!\n", QETH_CARD_IFNAME(card));
7106 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
7107 IPA_CMD_ASS_START, 0);
7109 PRINT_WARN("Could not start ARP processing "
7110 "assist on %s: 0x%x\n",
7111 QETH_CARD_IFNAME(card), rc);
7117 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
7121 QETH_DBF_TEXT(trace,3,"ipaipfrg");
7123 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
7124 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
7125 QETH_CARD_IFNAME(card));
7129 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
7130 IPA_CMD_ASS_START, 0);
7132 PRINT_WARN("Could not start Hardware IP fragmentation "
7133 "assist on %s: 0x%x\n",
7134 QETH_CARD_IFNAME(card), rc);
7136 PRINT_INFO("Hardware IP fragmentation enabled \n");
7141 qeth_start_ipa_source_mac(struct qeth_card *card)
7145 QETH_DBF_TEXT(trace,3,"stsrcmac");
7147 if (!card->options.fake_ll)
7150 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
7151 PRINT_INFO("Inbound source address not "
7152 "supported on %s\n", QETH_CARD_IFNAME(card));
7156 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
7157 IPA_CMD_ASS_START, 0);
7159 PRINT_WARN("Could not start inbound source "
7160 "assist on %s: 0x%x\n",
7161 QETH_CARD_IFNAME(card), rc);
7166 qeth_start_ipa_vlan(struct qeth_card *card)
7170 QETH_DBF_TEXT(trace,3,"strtvlan");
7172 #ifdef CONFIG_QETH_VLAN
7173 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
7174 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
7178 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
7179 IPA_CMD_ASS_START,0);
7181 PRINT_WARN("Could not start vlan "
7182 "assist on %s: 0x%x\n",
7183 QETH_CARD_IFNAME(card), rc);
7185 PRINT_INFO("VLAN enabled \n");
7186 card->dev->features |=
7187 NETIF_F_HW_VLAN_FILTER |
7188 NETIF_F_HW_VLAN_TX |
7191 #endif /* QETH_VLAN */
7196 qeth_start_ipa_multicast(struct qeth_card *card)
7200 QETH_DBF_TEXT(trace,3,"stmcast");
7202 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7203 PRINT_WARN("Multicast not supported on %s\n",
7204 QETH_CARD_IFNAME(card));
7208 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7209 IPA_CMD_ASS_START,0);
7211 PRINT_WARN("Could not start multicast "
7212 "assist on %s: rc=%i\n",
7213 QETH_CARD_IFNAME(card), rc);
7215 PRINT_INFO("Multicast enabled\n");
7216 card->dev->flags |= IFF_MULTICAST;
7221 #ifdef CONFIG_QETH_IPV6
7223 qeth_softsetup_ipv6(struct qeth_card *card)
7227 QETH_DBF_TEXT(trace,3,"softipv6");
7229 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7231 PRINT_ERR("IPv6 startlan failed on %s\n",
7232 QETH_CARD_IFNAME(card));
7235 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7237 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7238 QETH_CARD_IFNAME(card));
7241 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7242 IPA_CMD_ASS_START, 3);
7244 PRINT_WARN("IPv6 start assist (version 4) failed "
7246 QETH_CARD_IFNAME(card), rc);
7249 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7252 PRINT_WARN("IPV6 start assist (version 6) failed "
7254 QETH_CARD_IFNAME(card), rc);
7257 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7260 PRINT_WARN("Could not enable passthrough "
7262 QETH_CARD_IFNAME(card), rc);
7265 PRINT_INFO("IPV6 enabled \n");
7272 qeth_start_ipa_ipv6(struct qeth_card *card)
7275 #ifdef CONFIG_QETH_IPV6
7276 QETH_DBF_TEXT(trace,3,"strtipv6");
7278 if (!qeth_is_supported(card, IPA_IPV6)) {
7279 PRINT_WARN("IPv6 not supported on %s\n",
7280 QETH_CARD_IFNAME(card));
7283 rc = qeth_softsetup_ipv6(card);
7289 qeth_start_ipa_broadcast(struct qeth_card *card)
7293 QETH_DBF_TEXT(trace,3,"stbrdcst");
7294 card->info.broadcast_capable = 0;
7295 if (!qeth_is_supported(card, IPA_FILTERING)) {
7296 PRINT_WARN("Broadcast not supported on %s\n",
7297 QETH_CARD_IFNAME(card));
7301 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7302 IPA_CMD_ASS_START, 0);
7304 PRINT_WARN("Could not enable broadcasting filtering "
7306 QETH_CARD_IFNAME(card), rc);
7310 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7311 IPA_CMD_ASS_CONFIGURE, 1);
7313 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7314 QETH_CARD_IFNAME(card), rc);
7317 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7318 PRINT_INFO("Broadcast enabled \n");
7319 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7320 IPA_CMD_ASS_ENABLE, 1);
7322 PRINT_WARN("Could not set up broadcast echo filtering on "
7323 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7326 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7328 if (card->info.broadcast_capable)
7329 card->dev->flags |= IFF_BROADCAST;
7331 card->dev->flags &= ~IFF_BROADCAST;
7336 qeth_send_checksum_command(struct qeth_card *card)
7340 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7341 IPA_CMD_ASS_START, 0);
7343 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7344 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7345 QETH_CARD_IFNAME(card), rc);
7348 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7350 card->info.csum_mask);
7352 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7353 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7354 QETH_CARD_IFNAME(card), rc);
7361 qeth_start_ipa_checksum(struct qeth_card *card)
7365 QETH_DBF_TEXT(trace,3,"strtcsum");
7367 if (card->options.checksum_type == NO_CHECKSUMMING) {
7368 PRINT_WARN("Using no checksumming on %s.\n",
7369 QETH_CARD_IFNAME(card));
7372 if (card->options.checksum_type == SW_CHECKSUMMING) {
7373 PRINT_WARN("Using SW checksumming on %s.\n",
7374 QETH_CARD_IFNAME(card));
7377 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7378 PRINT_WARN("Inbound HW Checksumming not "
7379 "supported on %s,\ncontinuing "
7380 "using Inbound SW Checksumming\n",
7381 QETH_CARD_IFNAME(card));
7382 card->options.checksum_type = SW_CHECKSUMMING;
7385 rc = qeth_send_checksum_command(card);
7387 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7393 qeth_start_ipa_tso(struct qeth_card *card)
7397 QETH_DBF_TEXT(trace,3,"sttso");
7399 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7400 PRINT_WARN("Outbound TSO not supported on %s\n",
7401 QETH_CARD_IFNAME(card));
7404 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7405 IPA_CMD_ASS_START,0);
7407 PRINT_WARN("Could not start outbound TSO "
7408 "assist on %s: rc=%i\n",
7409 QETH_CARD_IFNAME(card), rc);
7411 PRINT_INFO("Outbound TSO enabled\n");
7413 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7414 card->options.large_send = QETH_LARGE_SEND_NO;
7415 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7421 qeth_start_ipassists(struct qeth_card *card)
7423 QETH_DBF_TEXT(trace,3,"strtipas");
7424 qeth_start_ipa_arp_processing(card); /* go on*/
7425 qeth_start_ipa_ip_fragmentation(card); /* go on*/
7426 qeth_start_ipa_source_mac(card); /* go on*/
7427 qeth_start_ipa_vlan(card); /* go on*/
7428 qeth_start_ipa_multicast(card); /* go on*/
7429 qeth_start_ipa_ipv6(card); /* go on*/
7430 qeth_start_ipa_broadcast(card); /* go on*/
7431 qeth_start_ipa_checksum(card); /* go on*/
7432 qeth_start_ipa_tso(card); /* go on*/
7437 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7438 enum qeth_prot_versions prot)
7441 struct qeth_ipa_cmd *cmd;
7442 struct qeth_cmd_buffer *iob;
7444 QETH_DBF_TEXT(trace,4,"setroutg");
7445 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7446 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7447 cmd->data.setrtg.type = (type);
7448 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7455 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7456 enum qeth_prot_versions prot)
7458 if (card->info.type == QETH_CARD_TYPE_IQD) {
7461 case PRIMARY_CONNECTOR:
7462 case SECONDARY_CONNECTOR:
7463 case MULTICAST_ROUTER:
7471 case PRIMARY_ROUTER:
7472 case SECONDARY_ROUTER:
7474 case MULTICAST_ROUTER:
7475 if (qeth_is_ipafunc_supported(card, prot,
7483 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7484 "Router status set to 'no router'.\n",
7485 ((*type == PRIMARY_ROUTER)? "primary router" :
7486 (*type == SECONDARY_ROUTER)? "secondary router" :
7487 (*type == PRIMARY_CONNECTOR)? "primary connector" :
7488 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7489 (*type == MULTICAST_ROUTER)? "multicast router" :
7496 qeth_setrouting_v4(struct qeth_card *card)
7500 QETH_DBF_TEXT(trace,3,"setrtg4");
7502 qeth_correct_routing_type(card, &card->options.route4.type,
7505 rc = qeth_send_setrouting(card, card->options.route4.type,
7508 card->options.route4.type = NO_ROUTER;
7509 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7510 "Type set to 'no router'.\n",
7511 rc, QETH_CARD_IFNAME(card));
7517 qeth_setrouting_v6(struct qeth_card *card)
7521 QETH_DBF_TEXT(trace,3,"setrtg6");
7522 #ifdef CONFIG_QETH_IPV6
7524 if (!qeth_is_supported(card, IPA_IPV6))
7526 qeth_correct_routing_type(card, &card->options.route6.type,
7529 rc = qeth_send_setrouting(card, card->options.route6.type,
7532 card->options.route6.type = NO_ROUTER;
7533 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7534 "Type set to 'no router'.\n",
7535 rc, QETH_CARD_IFNAME(card));
7542 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7546 if (card->dev == NULL) {
7547 card->options.large_send = type;
7550 if (card->state == CARD_STATE_UP)
7551 netif_tx_disable(card->dev);
7552 card->options.large_send = type;
7553 switch (card->options.large_send) {
7554 case QETH_LARGE_SEND_EDDP:
7555 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7557 case QETH_LARGE_SEND_TSO:
7558 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7559 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7561 PRINT_WARN("TSO not supported on %s. "
7562 "large_send set to 'no'.\n",
7564 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7565 card->options.large_send = QETH_LARGE_SEND_NO;
7569 default: /* includes QETH_LARGE_SEND_NO */
7570 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7573 if (card->state == CARD_STATE_UP)
7574 netif_wake_queue(card->dev);
7579 * softsetup card: init IPA stuff
7582 qeth_softsetup_card(struct qeth_card *card)
7586 QETH_DBF_TEXT(setup, 2, "softsetp");
7588 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7589 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7591 PRINT_WARN("LAN on card %s if offline! "
7592 "Waiting for STARTLAN from card.\n",
7594 card->lan_online = 0;
7598 card->lan_online = 1;
7599 if (card->info.type==QETH_CARD_TYPE_OSN)
7601 qeth_set_large_send(card, card->options.large_send);
7602 if (card->options.layer2) {
7603 card->dev->features |=
7604 NETIF_F_HW_VLAN_FILTER |
7605 NETIF_F_HW_VLAN_TX |
7607 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7608 card->info.broadcast_capable=1;
7609 if ((rc = qeth_layer2_initialize(card))) {
7610 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7613 #ifdef CONFIG_QETH_VLAN
7614 qeth_layer2_process_vlans(card, 0);
7618 if ((rc = qeth_setadapter_parms(card)))
7619 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7620 if ((rc = qeth_start_ipassists(card)))
7621 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7622 if ((rc = qeth_setrouting_v4(card)))
7623 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7624 if ((rc = qeth_setrouting_v6(card)))
7625 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7627 netif_tx_disable(card->dev);
7631 #ifdef CONFIG_QETH_IPV6
7633 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7636 struct qeth_ipa_cmd *cmd;
7638 cmd = (struct qeth_ipa_cmd *) data;
7639 if (cmd->hdr.return_code == 0)
7640 card->info.unique_id = *((__u16 *)
7641 &cmd->data.create_destroy_addr.unique_id[6]);
7643 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7644 UNIQUE_ID_NOT_BY_CARD;
7645 PRINT_WARN("couldn't get a unique id from the card on device "
7646 "%s (result=x%x), using default id. ipv6 "
7647 "autoconfig on other lpars may lead to duplicate "
7648 "ip addresses. please use manually "
7649 "configured ones.\n",
7650 CARD_BUS_ID(card), cmd->hdr.return_code);
7657 qeth_put_unique_id(struct qeth_card *card)
7661 #ifdef CONFIG_QETH_IPV6
7662 struct qeth_cmd_buffer *iob;
7663 struct qeth_ipa_cmd *cmd;
7665 QETH_DBF_TEXT(trace,2,"puniqeid");
7667 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7668 UNIQUE_ID_NOT_BY_CARD)
7670 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7672 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7673 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7674 card->info.unique_id;
7675 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7676 card->dev->dev_addr, OSA_ADDR_LEN);
7677 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7679 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7680 UNIQUE_ID_NOT_BY_CARD;
7689 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7691 struct qeth_ipaddr *addr, *tmp;
7692 unsigned long flags;
7694 QETH_DBF_TEXT(trace,4,"clearip");
7695 spin_lock_irqsave(&card->ip_lock, flags);
7696 /* clear todo list */
7697 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7698 list_del(&addr->entry);
7702 while (!list_empty(&card->ip_list)) {
7703 addr = list_entry(card->ip_list.next,
7704 struct qeth_ipaddr, entry);
7705 list_del_init(&addr->entry);
7707 spin_unlock_irqrestore(&card->ip_lock, flags);
7708 qeth_deregister_addr_entry(card, addr);
7709 spin_lock_irqsave(&card->ip_lock, flags);
7711 if (!recover || addr->is_multicast) {
7715 list_add_tail(&addr->entry, card->ip_tbd_list);
7717 spin_unlock_irqrestore(&card->ip_lock, flags);
7721 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7722 int clear_start_mask)
7724 unsigned long flags;
7726 spin_lock_irqsave(&card->thread_mask_lock, flags);
7727 card->thread_allowed_mask = threads;
7728 if (clear_start_mask)
7729 card->thread_start_mask &= threads;
7730 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7731 wake_up(&card->wait_q);
7735 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7737 unsigned long flags;
7740 spin_lock_irqsave(&card->thread_mask_lock, flags);
7741 rc = (card->thread_running_mask & threads);
7742 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7747 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7749 return wait_event_interruptible(card->wait_q,
7750 qeth_threads_running(card, threads) == 0);
7754 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7758 QETH_DBF_TEXT(setup ,2,"stopcard");
7759 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7761 qeth_set_allowed_threads(card, 0, 1);
7762 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7763 return -ERESTARTSYS;
7764 if (card->read.state == CH_STATE_UP &&
7765 card->write.state == CH_STATE_UP &&
7766 (card->state == CARD_STATE_UP)) {
7767 if (recovery_mode &&
7768 card->info.type != QETH_CARD_TYPE_OSN) {
7769 qeth_stop(card->dev);
7772 dev_close(card->dev);
7775 if (!card->use_hard_stop) {
7776 __u8 *mac = &card->dev->dev_addr[0];
7777 rc = qeth_layer2_send_delmac(card, mac);
7778 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7779 if ((rc = qeth_send_stoplan(card)))
7780 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7782 card->state = CARD_STATE_SOFTSETUP;
7784 if (card->state == CARD_STATE_SOFTSETUP) {
7785 #ifdef CONFIG_QETH_VLAN
7786 if (card->options.layer2)
7787 qeth_layer2_process_vlans(card, 1);
7789 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7790 qeth_clear_ipacmd_list(card);
7791 card->state = CARD_STATE_HARDSETUP;
7793 if (card->state == CARD_STATE_HARDSETUP) {
7794 if ((!card->use_hard_stop) &&
7795 (!card->options.layer2))
7796 if ((rc = qeth_put_unique_id(card)))
7797 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7798 qeth_qdio_clear_card(card, 0);
7799 qeth_clear_qdio_buffers(card);
7800 qeth_clear_working_pool_list(card);
7801 card->state = CARD_STATE_DOWN;
7803 if (card->state == CARD_STATE_DOWN) {
7804 qeth_clear_cmd_buffers(&card->read);
7805 qeth_clear_cmd_buffers(&card->write);
7807 card->use_hard_stop = 0;
7813 qeth_get_unique_id(struct qeth_card *card)
7816 #ifdef CONFIG_QETH_IPV6
7817 struct qeth_cmd_buffer *iob;
7818 struct qeth_ipa_cmd *cmd;
7820 QETH_DBF_TEXT(setup, 2, "guniqeid");
7822 if (!qeth_is_supported(card,IPA_IPV6)) {
7823 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7824 UNIQUE_ID_NOT_BY_CARD;
7828 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7830 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7831 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7832 card->info.unique_id;
7834 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7836 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7837 UNIQUE_ID_NOT_BY_CARD;
7842 qeth_print_status_with_portname(struct qeth_card *card)
7847 sprintf(dbf_text, "%s", card->info.portname + 1);
7848 for (i = 0; i < 8; i++)
7850 (char) _ebcasc[(__u8) dbf_text[i]];
7852 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7853 "with link type %s (portname: %s)\n",
7857 qeth_get_cardname(card),
7858 (card->info.mcl_level[0]) ? " (level: " : "",
7859 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7860 (card->info.mcl_level[0]) ? ")" : "",
7861 qeth_get_cardname_short(card),
7867 qeth_print_status_no_portname(struct qeth_card *card)
7869 if (card->info.portname[0])
7870 printk("qeth: Device %s/%s/%s is a%s "
7871 "card%s%s%s\nwith link type %s "
7872 "(no portname needed by interface).\n",
7876 qeth_get_cardname(card),
7877 (card->info.mcl_level[0]) ? " (level: " : "",
7878 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7879 (card->info.mcl_level[0]) ? ")" : "",
7880 qeth_get_cardname_short(card));
7882 printk("qeth: Device %s/%s/%s is a%s "
7883 "card%s%s%s\nwith link type %s.\n",
7887 qeth_get_cardname(card),
7888 (card->info.mcl_level[0]) ? " (level: " : "",
7889 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7890 (card->info.mcl_level[0]) ? ")" : "",
7891 qeth_get_cardname_short(card));
7895 qeth_print_status_message(struct qeth_card *card)
7897 switch (card->info.type) {
7898 case QETH_CARD_TYPE_OSAE:
7899 /* VM will use a non-zero first character
7900 * to indicate a HiperSockets like reporting
7901 * of the level OSA sets the first character to zero
7903 if (!card->info.mcl_level[0]) {
7904 sprintf(card->info.mcl_level,"%02x%02x",
7905 card->info.mcl_level[2],
7906 card->info.mcl_level[3]);
7908 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7912 case QETH_CARD_TYPE_IQD:
7913 if (card->info.guestlan) {
7914 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7915 card->info.mcl_level[0]];
7916 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7917 card->info.mcl_level[1]];
7918 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7919 card->info.mcl_level[2]];
7920 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7921 card->info.mcl_level[3]];
7922 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7926 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7928 if (card->info.portname_required)
7929 qeth_print_status_with_portname(card);
7931 qeth_print_status_no_portname(card);
7935 qeth_register_netdev(struct qeth_card *card)
7937 QETH_DBF_TEXT(setup, 3, "regnetd");
7938 if (card->dev->reg_state != NETREG_UNINITIALIZED)
7941 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7942 return register_netdev(card->dev);
7946 qeth_start_again(struct qeth_card *card, int recovery_mode)
7948 QETH_DBF_TEXT(setup ,2, "startag");
7950 if (recovery_mode &&
7951 card->info.type != QETH_CARD_TYPE_OSN) {
7952 qeth_open(card->dev);
7955 dev_open(card->dev);
7958 /* this also sets saved unicast addresses */
7959 qeth_set_multicast_list(card->dev);
7963 /* Layer 2 specific stuff */
7964 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7965 if (card->options.option == value) { \
7966 PRINT_ERR("%s not supported with layer 2 " \
7967 "functionality, ignoring option on read" \
7968 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7969 card->options.option = reset_value; \
7971 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7972 if (card->options.option != value) { \
7973 PRINT_ERR("%s not supported with layer 2 " \
7974 "functionality, ignoring option on read" \
7975 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7976 card->options.option = reset_value; \
7980 static void qeth_make_parameters_consistent(struct qeth_card *card)
7983 if (card->options.layer2 == 0)
7985 if (card->info.type == QETH_CARD_TYPE_OSN)
7987 if (card->info.type == QETH_CARD_TYPE_IQD) {
7988 PRINT_ERR("Device %s does not support layer 2 functionality." \
7989 " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7990 card->options.layer2 = 0;
7993 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7994 "Routing options are");
7995 #ifdef CONFIG_QETH_IPV6
7996 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7997 "Routing options are");
7999 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
8000 QETH_CHECKSUM_DEFAULT,
8001 "Checksumming options are");
8002 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
8003 QETH_TR_BROADCAST_ALLRINGS,
8004 "Broadcast mode options are");
8005 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
8006 QETH_TR_MACADDR_NONCANONICAL,
8007 "Canonical MAC addr options are");
8008 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
8009 "Broadcast faking options are");
8010 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
8011 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
8012 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
8017 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
8019 struct qeth_card *card = gdev->dev.driver_data;
8021 enum qeth_card_states recover_flag;
8024 QETH_DBF_TEXT(setup ,2, "setonlin");
8025 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
8027 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
8028 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
8029 PRINT_WARN("set_online of card %s interrupted by user!\n",
8031 return -ERESTARTSYS;
8034 recover_flag = card->state;
8035 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
8036 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
8037 (rc = ccw_device_set_online(CARD_DDEV(card)))){
8038 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
8042 qeth_make_parameters_consistent(card);
8044 if ((rc = qeth_hardsetup_card(card))){
8045 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
8048 card->state = CARD_STATE_HARDSETUP;
8050 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
8051 rc = qeth_get_unique_id(card);
8053 if (rc && card->options.layer2 == 0) {
8054 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
8057 qeth_print_status_message(card);
8058 if ((rc = qeth_register_netdev(card))){
8059 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
8062 if ((rc = qeth_softsetup_card(card))){
8063 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
8067 if ((rc = qeth_init_qdio_queues(card))){
8068 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
8071 card->state = CARD_STATE_SOFTSETUP;
8072 netif_carrier_on(card->dev);
8074 qeth_set_allowed_threads(card, 0xffffffff, 0);
8075 if (recover_flag == CARD_STATE_RECOVER)
8076 qeth_start_again(card, recovery_mode);
8077 qeth_notify_processes();
8080 card->use_hard_stop = 1;
8081 qeth_stop_card(card, 0);
8082 ccw_device_set_offline(CARD_DDEV(card));
8083 ccw_device_set_offline(CARD_WDEV(card));
8084 ccw_device_set_offline(CARD_RDEV(card));
8085 if (recover_flag == CARD_STATE_RECOVER)
8086 card->state = CARD_STATE_RECOVER;
8088 card->state = CARD_STATE_DOWN;
8093 qeth_set_online(struct ccwgroup_device *gdev)
8095 return __qeth_set_online(gdev, 0);
8098 static struct ccw_device_id qeth_ids[] = {
8099 {CCW_DEVICE(0x1731, 0x01), .driver_info = QETH_CARD_TYPE_OSAE},
8100 {CCW_DEVICE(0x1731, 0x05), .driver_info = QETH_CARD_TYPE_IQD},
8101 {CCW_DEVICE(0x1731, 0x06), .driver_info = QETH_CARD_TYPE_OSN},
8104 MODULE_DEVICE_TABLE(ccw, qeth_ids);
8106 struct device *qeth_root_dev = NULL;
8108 struct ccwgroup_driver qeth_ccwgroup_driver = {
8109 .owner = THIS_MODULE,
8111 .driver_id = 0xD8C5E3C8,
8112 .probe = qeth_probe_device,
8113 .remove = qeth_remove_device,
8114 .set_online = qeth_set_online,
8115 .set_offline = qeth_set_offline,
8118 struct ccw_driver qeth_ccw_driver = {
8121 .probe = ccwgroup_probe_ccwdev,
8122 .remove = ccwgroup_remove_ccwdev,
8127 qeth_unregister_dbf_views(void)
8130 debug_unregister(qeth_dbf_setup);
8132 debug_unregister(qeth_dbf_qerr);
8134 debug_unregister(qeth_dbf_sense);
8136 debug_unregister(qeth_dbf_misc);
8138 debug_unregister(qeth_dbf_data);
8139 if (qeth_dbf_control)
8140 debug_unregister(qeth_dbf_control);
8142 debug_unregister(qeth_dbf_trace);
8145 qeth_register_dbf_views(void)
8147 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
8148 QETH_DBF_SETUP_PAGES,
8149 QETH_DBF_SETUP_NR_AREAS,
8150 QETH_DBF_SETUP_LEN);
8151 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
8152 QETH_DBF_MISC_PAGES,
8153 QETH_DBF_MISC_NR_AREAS,
8155 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
8156 QETH_DBF_DATA_PAGES,
8157 QETH_DBF_DATA_NR_AREAS,
8159 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
8160 QETH_DBF_CONTROL_PAGES,
8161 QETH_DBF_CONTROL_NR_AREAS,
8162 QETH_DBF_CONTROL_LEN);
8163 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
8164 QETH_DBF_SENSE_PAGES,
8165 QETH_DBF_SENSE_NR_AREAS,
8166 QETH_DBF_SENSE_LEN);
8167 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
8168 QETH_DBF_QERR_PAGES,
8169 QETH_DBF_QERR_NR_AREAS,
8171 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
8172 QETH_DBF_TRACE_PAGES,
8173 QETH_DBF_TRACE_NR_AREAS,
8174 QETH_DBF_TRACE_LEN);
8176 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
8177 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
8178 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
8179 (qeth_dbf_trace == NULL)) {
8180 qeth_unregister_dbf_views();
8183 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
8184 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
8186 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
8187 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
8189 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
8190 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
8192 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
8193 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8195 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8196 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8198 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8199 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8201 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8202 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8207 #ifdef CONFIG_QETH_IPV6
8208 extern struct neigh_table arp_tbl;
8209 static struct neigh_ops *arp_direct_ops;
8210 static int (*qeth_old_arp_constructor) (struct neighbour *);
8212 static struct neigh_ops arp_direct_ops_template = {
8215 .error_report = NULL,
8216 .output = dev_queue_xmit,
8217 .connected_output = dev_queue_xmit,
8218 .hh_output = dev_queue_xmit,
8219 .queue_xmit = dev_queue_xmit
8223 qeth_arp_constructor(struct neighbour *neigh)
8225 struct net_device *dev = neigh->dev;
8226 struct in_device *in_dev;
8227 struct neigh_parms *parms;
8228 struct qeth_card *card;
8230 card = qeth_get_card_from_dev(dev);
8233 if((card->options.layer2) ||
8234 (card->dev->hard_header == qeth_fake_header))
8238 in_dev = __in_dev_get_rcu(dev);
8239 if (in_dev == NULL) {
8244 parms = in_dev->arp_parms;
8245 __neigh_parms_put(neigh->parms);
8246 neigh->parms = neigh_parms_clone(parms);
8249 neigh->type = inet_addr_type(*(__be32 *) neigh->primary_key);
8250 neigh->nud_state = NUD_NOARP;
8251 neigh->ops = arp_direct_ops;
8252 neigh->output = neigh->ops->queue_xmit;
8255 return qeth_old_arp_constructor(neigh);
8257 #endif /*CONFIG_QETH_IPV6*/
8260 * IP address takeover related functions
8263 qeth_clear_ipato_list(struct qeth_card *card)
8265 struct qeth_ipato_entry *ipatoe, *tmp;
8266 unsigned long flags;
8268 spin_lock_irqsave(&card->ip_lock, flags);
8269 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8270 list_del(&ipatoe->entry);
8273 spin_unlock_irqrestore(&card->ip_lock, flags);
8277 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8279 struct qeth_ipato_entry *ipatoe;
8280 unsigned long flags;
8283 QETH_DBF_TEXT(trace, 2, "addipato");
8284 spin_lock_irqsave(&card->ip_lock, flags);
8285 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8286 if (ipatoe->proto != new->proto)
8288 if (!memcmp(ipatoe->addr, new->addr,
8289 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8290 (ipatoe->mask_bits == new->mask_bits)){
8291 PRINT_WARN("ipato entry already exists!\n");
8297 list_add_tail(&new->entry, &card->ipato.entries);
8299 spin_unlock_irqrestore(&card->ip_lock, flags);
8304 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8305 u8 *addr, int mask_bits)
8307 struct qeth_ipato_entry *ipatoe, *tmp;
8308 unsigned long flags;
8310 QETH_DBF_TEXT(trace, 2, "delipato");
8311 spin_lock_irqsave(&card->ip_lock, flags);
8312 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8313 if (ipatoe->proto != proto)
8315 if (!memcmp(ipatoe->addr, addr,
8316 (proto == QETH_PROT_IPV4)? 4:16) &&
8317 (ipatoe->mask_bits == mask_bits)){
8318 list_del(&ipatoe->entry);
8322 spin_unlock_irqrestore(&card->ip_lock, flags);
8326 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8331 for (i = 0; i < len; ++i){
8333 for (j = 7; j >= 0; --j){
8334 bits[i*8 + j] = octet & 1;
8341 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8343 struct qeth_ipato_entry *ipatoe;
8344 u8 addr_bits[128] = {0, };
8345 u8 ipatoe_bits[128] = {0, };
8348 if (!card->ipato.enabled)
8351 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8352 (addr->proto == QETH_PROT_IPV4)? 4:16);
8353 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8354 if (addr->proto != ipatoe->proto)
8356 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8357 (ipatoe->proto==QETH_PROT_IPV4) ?
8359 if (addr->proto == QETH_PROT_IPV4)
8360 rc = !memcmp(addr_bits, ipatoe_bits,
8361 min(32, ipatoe->mask_bits));
8363 rc = !memcmp(addr_bits, ipatoe_bits,
8364 min(128, ipatoe->mask_bits));
8369 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8371 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8378 * VIPA related functions
8381 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8384 struct qeth_ipaddr *ipaddr;
8385 unsigned long flags;
8388 ipaddr = qeth_get_addr_buffer(proto);
8390 if (proto == QETH_PROT_IPV4){
8391 QETH_DBF_TEXT(trace, 2, "addvipa4");
8392 memcpy(&ipaddr->u.a4.addr, addr, 4);
8393 ipaddr->u.a4.mask = 0;
8394 #ifdef CONFIG_QETH_IPV6
8395 } else if (proto == QETH_PROT_IPV6){
8396 QETH_DBF_TEXT(trace, 2, "addvipa6");
8397 memcpy(&ipaddr->u.a6.addr, addr, 16);
8398 ipaddr->u.a6.pfxlen = 0;
8401 ipaddr->type = QETH_IP_TYPE_VIPA;
8402 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8403 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8406 spin_lock_irqsave(&card->ip_lock, flags);
8407 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8408 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8410 spin_unlock_irqrestore(&card->ip_lock, flags);
8412 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8415 if (!qeth_add_ip(card, ipaddr))
8417 qeth_set_ip_addr_list(card);
8422 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8425 struct qeth_ipaddr *ipaddr;
8427 ipaddr = qeth_get_addr_buffer(proto);
8429 if (proto == QETH_PROT_IPV4){
8430 QETH_DBF_TEXT(trace, 2, "delvipa4");
8431 memcpy(&ipaddr->u.a4.addr, addr, 4);
8432 ipaddr->u.a4.mask = 0;
8433 #ifdef CONFIG_QETH_IPV6
8434 } else if (proto == QETH_PROT_IPV6){
8435 QETH_DBF_TEXT(trace, 2, "delvipa6");
8436 memcpy(&ipaddr->u.a6.addr, addr, 16);
8437 ipaddr->u.a6.pfxlen = 0;
8440 ipaddr->type = QETH_IP_TYPE_VIPA;
8443 if (!qeth_delete_ip(card, ipaddr))
8445 qeth_set_ip_addr_list(card);
8449 * proxy ARP related functions
8452 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8455 struct qeth_ipaddr *ipaddr;
8456 unsigned long flags;
8459 ipaddr = qeth_get_addr_buffer(proto);
8461 if (proto == QETH_PROT_IPV4){
8462 QETH_DBF_TEXT(trace, 2, "addrxip4");
8463 memcpy(&ipaddr->u.a4.addr, addr, 4);
8464 ipaddr->u.a4.mask = 0;
8465 #ifdef CONFIG_QETH_IPV6
8466 } else if (proto == QETH_PROT_IPV6){
8467 QETH_DBF_TEXT(trace, 2, "addrxip6");
8468 memcpy(&ipaddr->u.a6.addr, addr, 16);
8469 ipaddr->u.a6.pfxlen = 0;
8472 ipaddr->type = QETH_IP_TYPE_RXIP;
8473 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8474 ipaddr->del_flags = 0;
8477 spin_lock_irqsave(&card->ip_lock, flags);
8478 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8479 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8481 spin_unlock_irqrestore(&card->ip_lock, flags);
8483 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8486 if (!qeth_add_ip(card, ipaddr))
8488 qeth_set_ip_addr_list(card);
8493 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8496 struct qeth_ipaddr *ipaddr;
8498 ipaddr = qeth_get_addr_buffer(proto);
8500 if (proto == QETH_PROT_IPV4){
8501 QETH_DBF_TEXT(trace, 2, "addrxip4");
8502 memcpy(&ipaddr->u.a4.addr, addr, 4);
8503 ipaddr->u.a4.mask = 0;
8504 #ifdef CONFIG_QETH_IPV6
8505 } else if (proto == QETH_PROT_IPV6){
8506 QETH_DBF_TEXT(trace, 2, "addrxip6");
8507 memcpy(&ipaddr->u.a6.addr, addr, 16);
8508 ipaddr->u.a6.pfxlen = 0;
8511 ipaddr->type = QETH_IP_TYPE_RXIP;
8514 if (!qeth_delete_ip(card, ipaddr))
8516 qeth_set_ip_addr_list(card);
8523 qeth_ip_event(struct notifier_block *this,
8524 unsigned long event,void *ptr)
8526 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8527 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8528 struct qeth_ipaddr *addr;
8529 struct qeth_card *card;
8531 QETH_DBF_TEXT(trace,3,"ipevent");
8532 card = qeth_get_card_from_dev(dev);
8535 if (card->options.layer2)
8538 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8540 addr->u.a4.addr = ifa->ifa_address;
8541 addr->u.a4.mask = ifa->ifa_mask;
8542 addr->type = QETH_IP_TYPE_NORMAL;
8548 if (!qeth_add_ip(card, addr))
8552 if (!qeth_delete_ip(card, addr))
8558 qeth_set_ip_addr_list(card);
8563 static struct notifier_block qeth_ip_notifier = {
8568 #ifdef CONFIG_QETH_IPV6
8570 * IPv6 event handler
8573 qeth_ip6_event(struct notifier_block *this,
8574 unsigned long event,void *ptr)
8577 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8578 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8579 struct qeth_ipaddr *addr;
8580 struct qeth_card *card;
8582 QETH_DBF_TEXT(trace,3,"ip6event");
8584 card = qeth_get_card_from_dev(dev);
8587 if (!qeth_is_supported(card, IPA_IPV6))
8590 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8592 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8593 addr->u.a6.pfxlen = ifa->prefix_len;
8594 addr->type = QETH_IP_TYPE_NORMAL;
8600 if (!qeth_add_ip(card, addr))
8604 if (!qeth_delete_ip(card, addr))
8610 qeth_set_ip_addr_list(card);
8615 static struct notifier_block qeth_ip6_notifier = {
8622 __qeth_reboot_event_card(struct device *dev, void *data)
8624 struct qeth_card *card;
8626 card = (struct qeth_card *) dev->driver_data;
8627 qeth_clear_ip_list(card, 0, 0);
8628 qeth_qdio_clear_card(card, 0);
8629 qeth_clear_qdio_buffers(card);
8634 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8638 ret = driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8639 __qeth_reboot_event_card);
8640 return ret ? NOTIFY_BAD : NOTIFY_DONE;
8644 static struct notifier_block qeth_reboot_notifier = {
8650 qeth_register_notifiers(void)
8654 QETH_DBF_TEXT(trace,5,"regnotif");
8655 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8657 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8659 #ifdef CONFIG_QETH_IPV6
8660 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8665 #ifdef CONFIG_QETH_IPV6
8667 unregister_inetaddr_notifier(&qeth_ip_notifier);
8670 unregister_reboot_notifier(&qeth_reboot_notifier);
8675 * unregister all event notifiers
8678 qeth_unregister_notifiers(void)
8681 QETH_DBF_TEXT(trace,5,"unregnot");
8682 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8683 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8684 #ifdef CONFIG_QETH_IPV6
8685 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8686 #endif /* QETH_IPV6 */
8690 #ifdef CONFIG_QETH_IPV6
8692 qeth_ipv6_init(void)
8694 qeth_old_arp_constructor = arp_tbl.constructor;
8695 write_lock_bh(&arp_tbl.lock);
8696 arp_tbl.constructor = qeth_arp_constructor;
8697 write_unlock_bh(&arp_tbl.lock);
8699 arp_direct_ops = (struct neigh_ops*)
8700 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8701 if (!arp_direct_ops)
8704 memcpy(arp_direct_ops, &arp_direct_ops_template,
8705 sizeof(struct neigh_ops));
8711 qeth_ipv6_uninit(void)
8713 write_lock_bh(&arp_tbl.lock);
8714 arp_tbl.constructor = qeth_old_arp_constructor;
8715 write_unlock_bh(&arp_tbl.lock);
8716 kfree(arp_direct_ops);
8718 #endif /* CONFIG_QETH_IPV6 */
8721 qeth_sysfs_unregister(void)
8723 s390_root_dev_unregister(qeth_root_dev);
8724 qeth_remove_driver_attributes();
8725 ccw_driver_unregister(&qeth_ccw_driver);
8726 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8730 * register qeth at sysfs
8733 qeth_sysfs_register(void)
8737 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8741 rc = ccw_driver_register(&qeth_ccw_driver);
8743 goto out_ccw_driver;
8745 rc = qeth_create_driver_attributes();
8749 qeth_root_dev = s390_root_dev_register("qeth");
8750 rc = IS_ERR(qeth_root_dev) ? PTR_ERR(qeth_root_dev) : 0;
8754 qeth_remove_driver_attributes();
8756 ccw_driver_unregister(&qeth_ccw_driver);
8758 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8771 PRINT_INFO("loading %s\n", version);
8773 INIT_LIST_HEAD(&qeth_card_list.list);
8774 INIT_LIST_HEAD(&qeth_notify_list);
8775 spin_lock_init(&qeth_notify_lock);
8776 rwlock_init(&qeth_card_list.rwlock);
8778 rc = qeth_register_dbf_views();
8782 rc = qeth_sysfs_register();
8786 #ifdef CONFIG_QETH_IPV6
8787 rc = qeth_ipv6_init();
8789 PRINT_ERR("Out of memory during ipv6 init code = %d\n", rc);
8792 #endif /* QETH_IPV6 */
8793 rc = qeth_register_notifiers();
8796 rc = qeth_create_procfs_entries();
8803 qeth_unregister_notifiers();
8805 #ifdef CONFIG_QETH_IPV6
8808 #endif /* QETH_IPV6 */
8809 qeth_sysfs_unregister();
8811 qeth_unregister_dbf_views();
8813 PRINT_ERR("Initialization failed with code %d\n", rc);
8818 __exit qeth_exit(void)
8820 struct qeth_card *card, *tmp;
8821 unsigned long flags;
8823 QETH_DBF_TEXT(trace,1, "cleanup.");
8826 * Weed would not need to clean up our devices here, because the
8827 * common device layer calls qeth_remove_device for each device
8828 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8829 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8830 * qeth_remove_device called by the common device layer would otherwise
8831 * do a "hard" shutdown (card->use_hard_stop is set to one in
8832 * qeth_remove_device).
8835 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8836 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8837 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8838 qeth_set_offline(card->gdev);
8839 qeth_remove_device(card->gdev);
8842 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8843 #ifdef CONFIG_QETH_IPV6
8846 qeth_unregister_notifiers();
8847 qeth_remove_procfs_entries();
8848 qeth_sysfs_unregister();
8849 qeth_unregister_dbf_views();
8850 printk("qeth: removed\n");
8853 EXPORT_SYMBOL(qeth_osn_register);
8854 EXPORT_SYMBOL(qeth_osn_deregister);
8855 EXPORT_SYMBOL(qeth_osn_assist);
8856 module_init(qeth_init);
8857 module_exit(qeth_exit);
8858 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8859 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8860 "Copyright 2000,2003 IBM Corporation\n");
8862 MODULE_LICENSE("GPL");