2 * linux/drivers/s390/net/qeth_main.c
4 * Linux on zSeries OSA Express and HiperSockets support
6 * Copyright 2000,2003 IBM Corporation
8 * Author(s): Original Code written by
9 * Utz Bacher (utz.bacher@de.ibm.com)
11 * Frank Pavlic (fpavlic@de.ibm.com) and
12 * Thomas Spatzier <tspat@de.ibm.com>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2, or (at your option)
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <linux/config.h>
31 #include <linux/module.h>
32 #include <linux/moduleparam.h>
33 #include <linux/string.h>
34 #include <linux/errno.h>
37 #include <linux/inetdevice.h>
38 #include <linux/netdevice.h>
39 #include <linux/sched.h>
40 #include <linux/workqueue.h>
41 #include <linux/kernel.h>
42 #include <linux/slab.h>
43 #include <linux/interrupt.h>
44 #include <linux/tcp.h>
45 #include <linux/icmp.h>
46 #include <linux/skbuff.h>
48 #include <linux/igmp.h>
49 #include <linux/init.h>
50 #include <linux/reboot.h>
51 #include <linux/mii.h>
52 #include <linux/rcupdate.h>
53 #include <linux/ethtool.h>
57 #include <net/route.h>
59 #include <asm/ebcdic.h>
62 #include <asm/timex.h>
63 #include <asm/semaphore.h>
64 #include <asm/uaccess.h>
65 #include <asm/s390_rdev.h>
70 #include "qeth_eddp.h"
73 static const char *version = "qeth S/390 OSA-Express driver";
76 * Debug Facility Stuff
78 static debug_info_t *qeth_dbf_setup = NULL;
79 static debug_info_t *qeth_dbf_data = NULL;
80 static debug_info_t *qeth_dbf_misc = NULL;
81 static debug_info_t *qeth_dbf_control = NULL;
82 debug_info_t *qeth_dbf_trace = NULL;
83 static debug_info_t *qeth_dbf_sense = NULL;
84 static debug_info_t *qeth_dbf_qerr = NULL;
86 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
89 * some more definitions and declarations
91 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
93 /* list of our cards */
94 struct qeth_card_list_struct qeth_card_list;
95 /*process list want to be notified*/
96 spinlock_t qeth_notify_lock;
97 struct list_head qeth_notify_list;
99 static void qeth_send_control_data_cb(struct qeth_channel *,
100 struct qeth_cmd_buffer *);
103 * here we go with function implementation
106 qeth_init_qdio_info(struct qeth_card *card);
109 qeth_init_qdio_queues(struct qeth_card *card);
112 qeth_alloc_qdio_buffers(struct qeth_card *card);
115 qeth_free_qdio_buffers(struct qeth_card *);
118 qeth_clear_qdio_buffers(struct qeth_card *);
121 qeth_clear_ip_list(struct qeth_card *, int, int);
124 qeth_clear_ipacmd_list(struct qeth_card *);
127 qeth_qdio_clear_card(struct qeth_card *, int);
130 qeth_clear_working_pool_list(struct qeth_card *);
133 qeth_clear_cmd_buffers(struct qeth_channel *);
136 qeth_stop(struct net_device *);
139 qeth_clear_ipato_list(struct qeth_card *);
142 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
145 qeth_irq_tasklet(unsigned long);
148 qeth_set_online(struct ccwgroup_device *);
151 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode);
153 static struct qeth_ipaddr *
154 qeth_get_addr_buffer(enum qeth_prot_versions);
157 qeth_set_multicast_list(struct net_device *);
160 qeth_setadp_promisc_mode(struct qeth_card *);
163 qeth_notify_processes(void)
165 /*notify all registered processes */
166 struct qeth_notify_list_struct *n_entry;
168 QETH_DBF_TEXT(trace,3,"procnoti");
169 spin_lock(&qeth_notify_lock);
170 list_for_each_entry(n_entry, &qeth_notify_list, list) {
171 send_sig(n_entry->signum, n_entry->task, 1);
173 spin_unlock(&qeth_notify_lock);
177 qeth_notifier_unregister(struct task_struct *p)
179 struct qeth_notify_list_struct *n_entry, *tmp;
181 QETH_DBF_TEXT(trace, 2, "notunreg");
182 spin_lock(&qeth_notify_lock);
183 list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
184 if (n_entry->task == p) {
185 list_del(&n_entry->list);
191 spin_unlock(&qeth_notify_lock);
195 qeth_notifier_register(struct task_struct *p, int signum)
197 struct qeth_notify_list_struct *n_entry;
199 /*check first if entry already exists*/
200 spin_lock(&qeth_notify_lock);
201 list_for_each_entry(n_entry, &qeth_notify_list, list) {
202 if (n_entry->task == p) {
203 n_entry->signum = signum;
204 spin_unlock(&qeth_notify_lock);
208 spin_unlock(&qeth_notify_lock);
210 n_entry = (struct qeth_notify_list_struct *)
211 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
215 n_entry->signum = signum;
216 spin_lock(&qeth_notify_lock);
217 list_add(&n_entry->list,&qeth_notify_list);
218 spin_unlock(&qeth_notify_lock);
224 * free channel command buffers
227 qeth_clean_channel(struct qeth_channel *channel)
231 QETH_DBF_TEXT(setup, 2, "freech");
232 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
233 kfree(channel->iob[cnt].data);
240 qeth_free_card(struct qeth_card *card)
243 QETH_DBF_TEXT(setup, 2, "freecrd");
244 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
245 qeth_clean_channel(&card->read);
246 qeth_clean_channel(&card->write);
248 free_netdev(card->dev);
249 qeth_clear_ip_list(card, 0, 0);
250 qeth_clear_ipato_list(card);
251 kfree(card->ip_tbd_list);
252 qeth_free_qdio_buffers(card);
257 * alloc memory for command buffer per channel
260 qeth_setup_channel(struct qeth_channel *channel)
264 QETH_DBF_TEXT(setup, 2, "setupch");
265 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
266 channel->iob[cnt].data = (char *)
267 kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
268 if (channel->iob[cnt].data == NULL)
270 channel->iob[cnt].state = BUF_STATE_FREE;
271 channel->iob[cnt].channel = channel;
272 channel->iob[cnt].callback = qeth_send_control_data_cb;
273 channel->iob[cnt].rc = 0;
275 if (cnt < QETH_CMD_BUFFER_NO) {
277 kfree(channel->iob[cnt].data);
281 channel->io_buf_no = 0;
282 atomic_set(&channel->irq_pending, 0);
283 spin_lock_init(&channel->iob_lock);
285 init_waitqueue_head(&channel->wait_q);
286 channel->irq_tasklet.data = (unsigned long) channel;
287 channel->irq_tasklet.func = qeth_irq_tasklet;
292 * alloc memory for card structure
294 static struct qeth_card *
295 qeth_alloc_card(void)
297 struct qeth_card *card;
299 QETH_DBF_TEXT(setup, 2, "alloccrd");
300 card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
303 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
304 if (qeth_setup_channel(&card->read)) {
308 if (qeth_setup_channel(&card->write)) {
309 qeth_clean_channel(&card->read);
317 __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
322 switch (PTR_ERR(irb)) {
324 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
325 QETH_DBF_TEXT(trace, 2, "ckirberr");
326 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
329 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
330 QETH_DBF_TEXT(trace, 2, "ckirberr");
331 QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT);
334 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
336 QETH_DBF_TEXT(trace, 2, "ckirberr");
337 QETH_DBF_TEXT(trace, 2, " rc???");
343 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
348 sense = (char *) irb->ecw;
349 cstat = irb->scsw.cstat;
350 dstat = irb->scsw.dstat;
352 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
353 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
354 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
355 QETH_DBF_TEXT(trace,2, "CGENCHK");
356 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
357 cdev->dev.bus_id, dstat, cstat);
358 HEXDUMP16(WARN, "irb: ", irb);
359 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
363 if (dstat & DEV_STAT_UNIT_CHECK) {
364 if (sense[SENSE_RESETTING_EVENT_BYTE] &
365 SENSE_RESETTING_EVENT_FLAG) {
366 QETH_DBF_TEXT(trace,2,"REVIND");
369 if (sense[SENSE_COMMAND_REJECT_BYTE] &
370 SENSE_COMMAND_REJECT_FLAG) {
371 QETH_DBF_TEXT(trace,2,"CMDREJi");
374 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
375 QETH_DBF_TEXT(trace,2,"AFFE");
378 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
379 QETH_DBF_TEXT(trace,2,"ZEROSEN");
382 QETH_DBF_TEXT(trace,2,"DGENCHK");
387 static int qeth_issue_next_read(struct qeth_card *);
393 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
397 struct qeth_cmd_buffer *buffer;
398 struct qeth_channel *channel;
399 struct qeth_card *card;
401 QETH_DBF_TEXT(trace,5,"irq");
403 if (__qeth_check_irb_error(cdev, irb))
405 cstat = irb->scsw.cstat;
406 dstat = irb->scsw.dstat;
408 card = CARD_FROM_CDEV(cdev);
412 if (card->read.ccwdev == cdev){
413 channel = &card->read;
414 QETH_DBF_TEXT(trace,5,"read");
415 } else if (card->write.ccwdev == cdev) {
416 channel = &card->write;
417 QETH_DBF_TEXT(trace,5,"write");
419 channel = &card->data;
420 QETH_DBF_TEXT(trace,5,"data");
422 atomic_set(&channel->irq_pending, 0);
424 if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
425 channel->state = CH_STATE_STOPPED;
427 if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
428 channel->state = CH_STATE_HALTED;
430 /*let's wake up immediately on data channel*/
431 if ((channel == &card->data) && (intparm != 0))
434 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
435 QETH_DBF_TEXT(trace, 6, "clrchpar");
436 /* we don't have to handle this further */
439 if (intparm == QETH_HALT_CHANNEL_PARM) {
440 QETH_DBF_TEXT(trace, 6, "hltchpar");
441 /* we don't have to handle this further */
444 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
445 (dstat & DEV_STAT_UNIT_CHECK) ||
447 if (irb->esw.esw0.erw.cons) {
448 /* TODO: we should make this s390dbf */
449 PRINT_WARN("sense data available on channel %s.\n",
450 CHANNEL_ID(channel));
451 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
452 HEXDUMP16(WARN,"irb: ",irb);
453 HEXDUMP16(WARN,"sense data: ",irb->ecw);
455 rc = qeth_get_problem(cdev,irb);
457 qeth_schedule_recovery(card);
463 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
464 buffer->state = BUF_STATE_PROCESSED;
466 if (channel == &card->data)
469 if (channel == &card->read &&
470 channel->state == CH_STATE_UP)
471 qeth_issue_next_read(card);
473 tasklet_schedule(&channel->irq_tasklet);
476 wake_up(&card->wait_q);
480 * tasklet function scheduled from irq handler
483 qeth_irq_tasklet(unsigned long data)
485 struct qeth_card *card;
486 struct qeth_channel *channel;
487 struct qeth_cmd_buffer *iob;
490 QETH_DBF_TEXT(trace,5,"irqtlet");
491 channel = (struct qeth_channel *) data;
493 index = channel->buf_no;
494 card = CARD_FROM_CDEV(channel->ccwdev);
495 while (iob[index].state == BUF_STATE_PROCESSED) {
496 if (iob[index].callback !=NULL) {
497 iob[index].callback(channel,iob + index);
499 index = (index + 1) % QETH_CMD_BUFFER_NO;
501 channel->buf_no = index;
502 wake_up(&card->wait_q);
505 static int qeth_stop_card(struct qeth_card *, int);
508 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
510 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
511 int rc = 0, rc2 = 0, rc3 = 0;
512 enum qeth_card_states recover_flag;
514 QETH_DBF_TEXT(setup, 3, "setoffl");
515 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
517 if (card->dev && netif_carrier_ok(card->dev))
518 netif_carrier_off(card->dev);
519 recover_flag = card->state;
520 if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
521 PRINT_WARN("Stopping card %s interrupted by user!\n",
525 rc = ccw_device_set_offline(CARD_DDEV(card));
526 rc2 = ccw_device_set_offline(CARD_WDEV(card));
527 rc3 = ccw_device_set_offline(CARD_RDEV(card));
529 rc = (rc2) ? rc2 : rc3;
531 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
532 if (recover_flag == CARD_STATE_UP)
533 card->state = CARD_STATE_RECOVER;
534 qeth_notify_processes();
539 qeth_set_offline(struct ccwgroup_device *cgdev)
541 return __qeth_set_offline(cgdev, 0);
545 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads);
549 qeth_remove_device(struct ccwgroup_device *cgdev)
551 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
554 QETH_DBF_TEXT(setup, 3, "rmdev");
555 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
560 if (qeth_wait_for_threads(card, 0xffffffff))
563 if (cgdev->state == CCWGROUP_ONLINE){
564 card->use_hard_stop = 1;
565 qeth_set_offline(cgdev);
567 /* remove form our internal list */
568 write_lock_irqsave(&qeth_card_list.rwlock, flags);
569 list_del(&card->list);
570 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
572 unregister_netdev(card->dev);
573 qeth_remove_device_attributes(&cgdev->dev);
574 qeth_free_card(card);
575 cgdev->dev.driver_data = NULL;
576 put_device(&cgdev->dev);
580 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
582 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
585 * Add/remove address to/from card's ip list, i.e. try to add or remove
586 * reference to/from an IP address that is already registered on the card.
588 * 0 address was on card and its reference count has been adjusted,
589 * but is still > 0, so nothing has to be done
590 * also returns 0 if card was not on card and the todo was to delete
591 * the address -> there is also nothing to be done
592 * 1 address was not on card and the todo is to add it to the card's ip
594 * -1 address was on card and its reference count has been decremented
595 * to <= 0 by the todo -> address must be removed from card
598 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
599 struct qeth_ipaddr **__addr)
601 struct qeth_ipaddr *addr;
604 list_for_each_entry(addr, &card->ip_list, entry) {
605 if (card->options.layer2) {
606 if ((addr->type == todo->type) &&
607 (memcmp(&addr->mac, &todo->mac,
608 OSA_ADDR_LEN) == 0)) {
614 if ((addr->proto == QETH_PROT_IPV4) &&
615 (todo->proto == QETH_PROT_IPV4) &&
616 (addr->type == todo->type) &&
617 (addr->u.a4.addr == todo->u.a4.addr) &&
618 (addr->u.a4.mask == todo->u.a4.mask)) {
622 if ((addr->proto == QETH_PROT_IPV6) &&
623 (todo->proto == QETH_PROT_IPV6) &&
624 (addr->type == todo->type) &&
625 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
626 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
627 sizeof(struct in6_addr)) == 0)) {
633 addr->users += todo->users;
634 if (addr->users <= 0){
638 /* for VIPA and RXIP limit refcount to 1 */
639 if (addr->type != QETH_IP_TYPE_NORMAL)
644 if (todo->users > 0) {
645 /* for VIPA and RXIP limit refcount to 1 */
646 if (todo->type != QETH_IP_TYPE_NORMAL)
654 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
657 struct qeth_ipaddr *tmp;
659 list_for_each_entry(tmp, list, entry) {
660 if ((tmp->proto == QETH_PROT_IPV4) &&
661 (addr->proto == QETH_PROT_IPV4) &&
662 ((same_type && (tmp->type == addr->type)) ||
663 (!same_type && (tmp->type != addr->type)) ) &&
664 (tmp->u.a4.addr == addr->u.a4.addr) ){
667 if ((tmp->proto == QETH_PROT_IPV6) &&
668 (addr->proto == QETH_PROT_IPV6) &&
669 ((same_type && (tmp->type == addr->type)) ||
670 (!same_type && (tmp->type != addr->type)) ) &&
671 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
672 sizeof(struct in6_addr)) == 0) ) {
680 * Add IP to be added to todo list. If there is already an "add todo"
681 * in this list we just incremenent the reference count.
682 * Returns 0 if we just incremented reference count.
685 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
687 struct qeth_ipaddr *tmp, *t;
690 list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
691 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
692 (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
694 if (card->options.layer2) {
695 if ((tmp->type == addr->type) &&
696 (tmp->is_multicast == addr->is_multicast) &&
697 (memcmp(&tmp->mac, &addr->mac,
698 OSA_ADDR_LEN) == 0)) {
704 if ((tmp->proto == QETH_PROT_IPV4) &&
705 (addr->proto == QETH_PROT_IPV4) &&
706 (tmp->type == addr->type) &&
707 (tmp->is_multicast == addr->is_multicast) &&
708 (tmp->u.a4.addr == addr->u.a4.addr) &&
709 (tmp->u.a4.mask == addr->u.a4.mask)) {
713 if ((tmp->proto == QETH_PROT_IPV6) &&
714 (addr->proto == QETH_PROT_IPV6) &&
715 (tmp->type == addr->type) &&
716 (tmp->is_multicast == addr->is_multicast) &&
717 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
718 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
719 sizeof(struct in6_addr)) == 0)) {
725 if (addr->users != 0)
726 tmp->users += addr->users;
728 tmp->users += add? 1:-1;
729 if (tmp->users == 0) {
730 list_del(&tmp->entry);
735 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
736 list_add(&addr->entry, card->ip_tbd_list);
738 if (addr->users == 0)
739 addr->users += add? 1:-1;
740 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
741 qeth_is_addr_covered_by_ipato(card, addr)){
742 QETH_DBF_TEXT(trace, 2, "tkovaddr");
743 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
745 list_add_tail(&addr->entry, card->ip_tbd_list);
752 * Remove IP address from list
755 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
760 QETH_DBF_TEXT(trace, 4, "delip");
762 if (card->options.layer2)
763 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
764 else if (addr->proto == QETH_PROT_IPV4)
765 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
767 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
768 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
770 spin_lock_irqsave(&card->ip_lock, flags);
771 rc = __qeth_insert_ip_todo(card, addr, 0);
772 spin_unlock_irqrestore(&card->ip_lock, flags);
777 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
782 QETH_DBF_TEXT(trace, 4, "addip");
783 if (card->options.layer2)
784 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
785 else if (addr->proto == QETH_PROT_IPV4)
786 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
788 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
789 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
791 spin_lock_irqsave(&card->ip_lock, flags);
792 rc = __qeth_insert_ip_todo(card, addr, 1);
793 spin_unlock_irqrestore(&card->ip_lock, flags);
798 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
800 struct qeth_ipaddr *addr, *tmp;
803 list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
804 if (addr->is_multicast) {
805 spin_unlock_irqrestore(&card->ip_lock, *flags);
806 rc = qeth_deregister_addr_entry(card, addr);
807 spin_lock_irqsave(&card->ip_lock, *flags);
809 list_del(&addr->entry);
818 qeth_set_ip_addr_list(struct qeth_card *card)
820 struct list_head *tbd_list;
821 struct qeth_ipaddr *todo, *addr;
825 QETH_DBF_TEXT(trace, 2, "sdiplist");
826 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
828 spin_lock_irqsave(&card->ip_lock, flags);
829 tbd_list = card->ip_tbd_list;
830 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
831 if (!card->ip_tbd_list) {
832 QETH_DBF_TEXT(trace, 0, "silnomem");
833 card->ip_tbd_list = tbd_list;
834 spin_unlock_irqrestore(&card->ip_lock, flags);
837 INIT_LIST_HEAD(card->ip_tbd_list);
839 while (!list_empty(tbd_list)){
840 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
841 list_del(&todo->entry);
842 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
843 __qeth_delete_all_mc(card, &flags);
847 rc = __qeth_ref_ip_on_card(card, todo, &addr);
849 /* nothing to be done; only adjusted refcount */
851 } else if (rc == 1) {
852 /* new entry to be added to on-card list */
853 spin_unlock_irqrestore(&card->ip_lock, flags);
854 rc = qeth_register_addr_entry(card, todo);
855 spin_lock_irqsave(&card->ip_lock, flags);
857 list_add_tail(&todo->entry, &card->ip_list);
860 } else if (rc == -1) {
861 /* on-card entry to be removed */
862 list_del_init(&addr->entry);
863 spin_unlock_irqrestore(&card->ip_lock, flags);
864 rc = qeth_deregister_addr_entry(card, addr);
865 spin_lock_irqsave(&card->ip_lock, flags);
869 list_add_tail(&addr->entry, &card->ip_list);
873 spin_unlock_irqrestore(&card->ip_lock, flags);
877 static void qeth_delete_mc_addresses(struct qeth_card *);
878 static void qeth_add_multicast_ipv4(struct qeth_card *);
879 static void qeth_layer2_add_multicast(struct qeth_card *);
880 #ifdef CONFIG_QETH_IPV6
881 static void qeth_add_multicast_ipv6(struct qeth_card *);
885 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
889 spin_lock_irqsave(&card->thread_mask_lock, flags);
890 if ( !(card->thread_allowed_mask & thread) ||
891 (card->thread_start_mask & thread) ) {
892 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
895 card->thread_start_mask |= thread;
896 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
901 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
905 spin_lock_irqsave(&card->thread_mask_lock, flags);
906 card->thread_start_mask &= ~thread;
907 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
908 wake_up(&card->wait_q);
912 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
916 spin_lock_irqsave(&card->thread_mask_lock, flags);
917 card->thread_running_mask &= ~thread;
918 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
919 wake_up(&card->wait_q);
923 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
928 spin_lock_irqsave(&card->thread_mask_lock, flags);
929 if (card->thread_start_mask & thread){
930 if ((card->thread_allowed_mask & thread) &&
931 !(card->thread_running_mask & thread)){
933 card->thread_start_mask &= ~thread;
934 card->thread_running_mask |= thread;
938 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
943 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
947 wait_event(card->wait_q,
948 (rc = __qeth_do_run_thread(card, thread)) >= 0);
953 qeth_register_ip_addresses(void *ptr)
955 struct qeth_card *card;
957 card = (struct qeth_card *) ptr;
958 daemonize("qeth_reg_ip");
959 QETH_DBF_TEXT(trace,4,"regipth1");
960 if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD))
962 QETH_DBF_TEXT(trace,4,"regipth2");
963 qeth_set_ip_addr_list(card);
964 qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD);
969 * Drive the SET_PROMISC_MODE thread
972 qeth_set_promisc_mode(void *ptr)
974 struct qeth_card *card = (struct qeth_card *) ptr;
976 daemonize("qeth_setprm");
977 QETH_DBF_TEXT(trace,4,"setprm1");
978 if (!qeth_do_run_thread(card, QETH_SET_PROMISC_MODE_THREAD))
980 QETH_DBF_TEXT(trace,4,"setprm2");
981 qeth_setadp_promisc_mode(card);
982 qeth_clear_thread_running_bit(card, QETH_SET_PROMISC_MODE_THREAD);
987 qeth_recover(void *ptr)
989 struct qeth_card *card;
992 card = (struct qeth_card *) ptr;
993 daemonize("qeth_recover");
994 QETH_DBF_TEXT(trace,2,"recover1");
995 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
996 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
998 QETH_DBF_TEXT(trace,2,"recover2");
999 PRINT_WARN("Recovery of device %s started ...\n",
1001 card->use_hard_stop = 1;
1002 __qeth_set_offline(card->gdev,1);
1003 rc = __qeth_set_online(card->gdev,1);
1005 PRINT_INFO("Device %s successfully recovered!\n",
1008 PRINT_INFO("Device %s could not be recovered!\n",
1010 /* don't run another scheduled recovery */
1011 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
1012 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
1017 qeth_schedule_recovery(struct qeth_card *card)
1019 QETH_DBF_TEXT(trace,2,"startrec");
1020 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
1021 schedule_work(&card->kernel_thread_starter);
1025 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1027 unsigned long flags;
1030 spin_lock_irqsave(&card->thread_mask_lock, flags);
1031 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
1032 (u8) card->thread_start_mask,
1033 (u8) card->thread_allowed_mask,
1034 (u8) card->thread_running_mask);
1035 rc = (card->thread_start_mask & thread);
1036 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1041 qeth_start_kernel_thread(struct qeth_card *card)
1043 QETH_DBF_TEXT(trace , 2, "strthrd");
1045 if (card->read.state != CH_STATE_UP &&
1046 card->write.state != CH_STATE_UP)
1049 if (qeth_do_start_thread(card, QETH_SET_IP_THREAD))
1050 kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD);
1051 if (qeth_do_start_thread(card, QETH_SET_PROMISC_MODE_THREAD))
1052 kernel_thread(qeth_set_promisc_mode, (void *)card, SIGCHLD);
1053 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1054 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1059 qeth_set_intial_options(struct qeth_card *card)
1061 card->options.route4.type = NO_ROUTER;
1062 #ifdef CONFIG_QETH_IPV6
1063 card->options.route6.type = NO_ROUTER;
1064 #endif /* QETH_IPV6 */
1065 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1066 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1067 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1068 card->options.fake_broadcast = 0;
1069 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1070 card->options.fake_ll = 0;
1071 if (card->info.type == QETH_CARD_TYPE_OSN)
1072 card->options.layer2 = 1;
1074 card->options.layer2 = 0;
1078 * initialize channels ,card and all state machines
1081 qeth_setup_card(struct qeth_card *card)
1084 QETH_DBF_TEXT(setup, 2, "setupcrd");
1085 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1087 card->read.state = CH_STATE_DOWN;
1088 card->write.state = CH_STATE_DOWN;
1089 card->data.state = CH_STATE_DOWN;
1090 card->state = CARD_STATE_DOWN;
1091 card->lan_online = 0;
1092 card->use_hard_stop = 0;
1094 #ifdef CONFIG_QETH_VLAN
1095 spin_lock_init(&card->vlanlock);
1096 card->vlangrp = NULL;
1098 spin_lock_init(&card->lock);
1099 spin_lock_init(&card->ip_lock);
1100 spin_lock_init(&card->thread_mask_lock);
1101 card->thread_start_mask = 0;
1102 card->thread_allowed_mask = 0;
1103 card->thread_running_mask = 0;
1104 INIT_WORK(&card->kernel_thread_starter,
1105 (void *)qeth_start_kernel_thread,card);
1106 INIT_LIST_HEAD(&card->ip_list);
1107 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1108 if (!card->ip_tbd_list) {
1109 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1112 INIT_LIST_HEAD(card->ip_tbd_list);
1113 INIT_LIST_HEAD(&card->cmd_waiter_list);
1114 init_waitqueue_head(&card->wait_q);
1115 /* intial options */
1116 qeth_set_intial_options(card);
1117 /* IP address takeover */
1118 INIT_LIST_HEAD(&card->ipato.entries);
1119 card->ipato.enabled = 0;
1120 card->ipato.invert4 = 0;
1121 card->ipato.invert6 = 0;
1122 /* init QDIO stuff */
1123 qeth_init_qdio_info(card);
1128 is_1920_device (struct qeth_card *card)
1130 int single_queue = 0;
1131 struct ccw_device *ccwdev;
1132 struct channelPath_dsc {
1143 QETH_DBF_TEXT(setup, 2, "chk_1920");
1145 ccwdev = card->data.ccwdev;
1146 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1147 if (chp_dsc != NULL) {
1148 /* CHPP field bit 6 == 1 -> single queue */
1149 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1152 QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1153 return single_queue;
1157 qeth_determine_card_type(struct qeth_card *card)
1161 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1163 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1164 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1165 while (known_devices[i][4]) {
1166 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1167 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1168 card->info.type = known_devices[i][4];
1169 card->qdio.no_out_queues = known_devices[i][8];
1170 card->info.is_multicast_different = known_devices[i][9];
1171 if (is_1920_device(card)) {
1172 PRINT_INFO("Priority Queueing not able "
1173 "due to hardware limitations!\n");
1174 card->qdio.no_out_queues = 1;
1175 card->qdio.default_out_queue = 0;
1181 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1182 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1187 qeth_probe_device(struct ccwgroup_device *gdev)
1189 struct qeth_card *card;
1191 unsigned long flags;
1194 QETH_DBF_TEXT(setup, 2, "probedev");
1197 if (!get_device(dev))
1200 QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
1202 card = qeth_alloc_card();
1205 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1208 card->read.ccwdev = gdev->cdev[0];
1209 card->write.ccwdev = gdev->cdev[1];
1210 card->data.ccwdev = gdev->cdev[2];
1211 gdev->dev.driver_data = card;
1213 gdev->cdev[0]->handler = qeth_irq;
1214 gdev->cdev[1]->handler = qeth_irq;
1215 gdev->cdev[2]->handler = qeth_irq;
1217 if ((rc = qeth_determine_card_type(card))){
1218 PRINT_WARN("%s: not a valid card type\n", __func__);
1219 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1221 qeth_free_card(card);
1224 if ((rc = qeth_setup_card(card))){
1225 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1227 qeth_free_card(card);
1230 rc = qeth_create_device_attributes(dev);
1233 qeth_free_card(card);
1236 /* insert into our internal list */
1237 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1238 list_add_tail(&card->list, &qeth_card_list.list);
1239 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1245 qeth_get_unitaddr(struct qeth_card *card)
1251 QETH_DBF_TEXT(setup, 2, "getunit");
1252 rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
1254 PRINT_ERR("read_conf_data for device %s returned %i\n",
1255 CARD_DDEV_ID(card), rc);
1258 card->info.chpid = prcd[30];
1259 card->info.unit_addr2 = prcd[31];
1260 card->info.cula = prcd[63];
1261 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1262 (prcd[0x11] == _ascebc['M']));
1267 qeth_init_tokens(struct qeth_card *card)
1269 card->token.issuer_rm_w = 0x00010103UL;
1270 card->token.cm_filter_w = 0x00010108UL;
1271 card->token.cm_connection_w = 0x0001010aUL;
1272 card->token.ulp_filter_w = 0x0001010bUL;
1273 card->token.ulp_connection_w = 0x0001010dUL;
1277 raw_devno_from_bus_id(char *id)
1279 id += (strlen(id) - 4);
1280 return (__u16) simple_strtoul(id, &id, 16);
1286 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1288 struct qeth_card *card;
1290 QETH_DBF_TEXT(trace, 4, "setupccw");
1291 card = CARD_FROM_CDEV(channel->ccwdev);
1292 if (channel == &card->read)
1293 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1295 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1296 channel->ccw.count = len;
1297 channel->ccw.cda = (__u32) __pa(iob);
1301 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1303 static struct qeth_cmd_buffer *
1304 __qeth_get_buffer(struct qeth_channel *channel)
1308 QETH_DBF_TEXT(trace, 6, "getbuff");
1309 index = channel->io_buf_no;
1311 if (channel->iob[index].state == BUF_STATE_FREE) {
1312 channel->iob[index].state = BUF_STATE_LOCKED;
1313 channel->io_buf_no = (channel->io_buf_no + 1) %
1315 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1316 return channel->iob + index;
1318 index = (index + 1) % QETH_CMD_BUFFER_NO;
1319 } while(index != channel->io_buf_no);
1325 * release command buffer
1328 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1330 unsigned long flags;
1332 QETH_DBF_TEXT(trace, 6, "relbuff");
1333 spin_lock_irqsave(&channel->iob_lock, flags);
1334 memset(iob->data, 0, QETH_BUFSIZE);
1335 iob->state = BUF_STATE_FREE;
1336 iob->callback = qeth_send_control_data_cb;
1338 spin_unlock_irqrestore(&channel->iob_lock, flags);
1341 static struct qeth_cmd_buffer *
1342 qeth_get_buffer(struct qeth_channel *channel)
1344 struct qeth_cmd_buffer *buffer = NULL;
1345 unsigned long flags;
1347 spin_lock_irqsave(&channel->iob_lock, flags);
1348 buffer = __qeth_get_buffer(channel);
1349 spin_unlock_irqrestore(&channel->iob_lock, flags);
1353 static struct qeth_cmd_buffer *
1354 qeth_wait_for_buffer(struct qeth_channel *channel)
1356 struct qeth_cmd_buffer *buffer;
1357 wait_event(channel->wait_q,
1358 ((buffer = qeth_get_buffer(channel)) != NULL));
1363 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1367 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1368 qeth_release_buffer(channel,&channel->iob[cnt]);
1369 channel->buf_no = 0;
1370 channel->io_buf_no = 0;
1374 * start IDX for read and write channel
1377 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1378 void (*idx_reply_cb)(struct qeth_channel *,
1379 struct qeth_cmd_buffer *))
1381 struct qeth_cmd_buffer *iob;
1382 unsigned long flags;
1384 struct qeth_card *card;
1386 QETH_DBF_TEXT(setup, 2, "idxanswr");
1387 card = CARD_FROM_CDEV(channel->ccwdev);
1388 iob = qeth_get_buffer(channel);
1389 iob->callback = idx_reply_cb;
1390 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1391 channel->ccw.count = QETH_BUFSIZE;
1392 channel->ccw.cda = (__u32) __pa(iob->data);
1394 wait_event(card->wait_q,
1395 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1396 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1397 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1398 rc = ccw_device_start(channel->ccwdev,
1399 &channel->ccw,(addr_t) iob, 0, 0);
1400 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1403 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1404 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1405 atomic_set(&channel->irq_pending, 0);
1406 wake_up(&card->wait_q);
1409 rc = wait_event_interruptible_timeout(card->wait_q,
1410 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1411 if (rc == -ERESTARTSYS)
1413 if (channel->state != CH_STATE_UP){
1415 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1416 qeth_clear_cmd_buffers(channel);
1423 qeth_idx_activate_channel(struct qeth_channel *channel,
1424 void (*idx_reply_cb)(struct qeth_channel *,
1425 struct qeth_cmd_buffer *))
1427 struct qeth_card *card;
1428 struct qeth_cmd_buffer *iob;
1429 unsigned long flags;
1433 card = CARD_FROM_CDEV(channel->ccwdev);
1435 QETH_DBF_TEXT(setup, 2, "idxactch");
1437 iob = qeth_get_buffer(channel);
1438 iob->callback = idx_reply_cb;
1439 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1440 channel->ccw.count = IDX_ACTIVATE_SIZE;
1441 channel->ccw.cda = (__u32) __pa(iob->data);
1442 if (channel == &card->write) {
1443 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1444 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1445 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1446 card->seqno.trans_hdr++;
1448 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1449 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1450 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1452 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1453 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1454 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1455 &card->info.func_level,sizeof(__u16));
1456 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1457 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1458 temp = (card->info.cula << 8) + card->info.unit_addr2;
1459 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1461 wait_event(card->wait_q,
1462 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1463 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1464 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1465 rc = ccw_device_start(channel->ccwdev,
1466 &channel->ccw,(addr_t) iob, 0, 0);
1467 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1470 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1471 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1472 atomic_set(&channel->irq_pending, 0);
1473 wake_up(&card->wait_q);
1476 rc = wait_event_interruptible_timeout(card->wait_q,
1477 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1478 if (rc == -ERESTARTSYS)
1480 if (channel->state != CH_STATE_ACTIVATING) {
1481 PRINT_WARN("qeth: IDX activate timed out!\n");
1482 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1483 qeth_clear_cmd_buffers(channel);
1486 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1490 qeth_peer_func_level(int level)
1492 if ((level & 0xff) == 8)
1493 return (level & 0xff) + 0x400;
1494 if (((level >> 8) & 3) == 1)
1495 return (level & 0xff) + 0x200;
1500 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1502 struct qeth_card *card;
1505 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1507 if (channel->state == CH_STATE_DOWN) {
1508 channel->state = CH_STATE_ACTIVATING;
1511 card = CARD_FROM_CDEV(channel->ccwdev);
1513 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1514 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1515 "reply\n", CARD_WDEV_ID(card));
1518 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1519 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1520 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1521 "function level mismatch "
1522 "(sent: 0x%x, received: 0x%x)\n",
1523 CARD_WDEV_ID(card), card->info.func_level, temp);
1526 channel->state = CH_STATE_UP;
1528 qeth_release_buffer(channel, iob);
1532 qeth_check_idx_response(unsigned char *buffer)
1537 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1538 if ((buffer[2] & 0xc0) == 0xc0) {
1539 PRINT_WARN("received an IDX TERMINATE "
1540 "with cause code 0x%02x%s\n",
1542 ((buffer[4] == 0x22) ?
1543 " -- try another portname" : ""));
1544 QETH_DBF_TEXT(trace, 2, "ckidxres");
1545 QETH_DBF_TEXT(trace, 2, " idxterm");
1546 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1553 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1555 struct qeth_card *card;
1558 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1559 if (channel->state == CH_STATE_DOWN) {
1560 channel->state = CH_STATE_ACTIVATING;
1564 card = CARD_FROM_CDEV(channel->ccwdev);
1565 if (qeth_check_idx_response(iob->data)) {
1568 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1569 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1570 "reply\n", CARD_RDEV_ID(card));
1575 * temporary fix for microcode bug
1576 * to revert it,replace OR by AND
1578 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1579 (card->info.type == QETH_CARD_TYPE_OSAE) )
1580 card->info.portname_required = 1;
1582 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1583 if (temp != qeth_peer_func_level(card->info.func_level)) {
1584 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1585 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1586 CARD_RDEV_ID(card), card->info.func_level, temp);
1589 memcpy(&card->token.issuer_rm_r,
1590 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1591 QETH_MPC_TOKEN_LENGTH);
1592 memcpy(&card->info.mcl_level[0],
1593 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1594 channel->state = CH_STATE_UP;
1596 qeth_release_buffer(channel,iob);
1600 qeth_issue_next_read(struct qeth_card *card)
1603 struct qeth_cmd_buffer *iob;
1605 QETH_DBF_TEXT(trace,5,"issnxrd");
1606 if (card->read.state != CH_STATE_UP)
1608 iob = qeth_get_buffer(&card->read);
1610 PRINT_WARN("issue_next_read failed: no iob available!\n");
1613 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1614 wait_event(card->wait_q,
1615 atomic_cmpxchg(&card->read.irq_pending, 0, 1) == 0);
1616 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1617 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1618 (addr_t) iob, 0, 0);
1620 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1621 atomic_set(&card->read.irq_pending, 0);
1622 qeth_schedule_recovery(card);
1623 wake_up(&card->wait_q);
1628 static struct qeth_reply *
1629 qeth_alloc_reply(struct qeth_card *card)
1631 struct qeth_reply *reply;
1633 reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1635 atomic_set(&reply->refcnt, 1);
1642 qeth_get_reply(struct qeth_reply *reply)
1644 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1645 atomic_inc(&reply->refcnt);
1649 qeth_put_reply(struct qeth_reply *reply)
1651 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1652 if (atomic_dec_and_test(&reply->refcnt))
1657 qeth_cmd_timeout(unsigned long data)
1659 struct qeth_reply *reply, *list_reply, *r;
1660 unsigned long flags;
1662 reply = (struct qeth_reply *) data;
1663 spin_lock_irqsave(&reply->card->lock, flags);
1664 list_for_each_entry_safe(list_reply, r,
1665 &reply->card->cmd_waiter_list, list) {
1666 if (reply == list_reply){
1667 qeth_get_reply(reply);
1668 list_del_init(&reply->list);
1669 spin_unlock_irqrestore(&reply->card->lock, flags);
1671 reply->received = 1;
1672 wake_up(&reply->wait_q);
1673 qeth_put_reply(reply);
1677 spin_unlock_irqrestore(&reply->card->lock, flags);
1681 static struct qeth_ipa_cmd *
1682 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1684 struct qeth_ipa_cmd *cmd = NULL;
1686 QETH_DBF_TEXT(trace,5,"chkipad");
1687 if (IS_IPA(iob->data)){
1688 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1689 if (IS_IPA_REPLY(cmd))
1692 switch (cmd->hdr.command) {
1693 case IPA_CMD_STOPLAN:
1694 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1695 "there is a network problem or "
1696 "someone pulled the cable or "
1697 "disabled the port.\n",
1698 QETH_CARD_IFNAME(card),
1700 card->lan_online = 0;
1701 if (card->dev && netif_carrier_ok(card->dev))
1702 netif_carrier_off(card->dev);
1704 case IPA_CMD_STARTLAN:
1705 PRINT_INFO("Link reestablished on %s "
1706 "(CHPID 0x%X). Scheduling "
1707 "IP address reset.\n",
1708 QETH_CARD_IFNAME(card),
1710 qeth_schedule_recovery(card);
1712 case IPA_CMD_MODCCID:
1714 case IPA_CMD_REGISTER_LOCAL_ADDR:
1715 QETH_DBF_TEXT(trace,3, "irla");
1717 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1718 QETH_DBF_TEXT(trace,3, "urla");
1721 PRINT_WARN("Received data is IPA "
1722 "but not a reply!\n");
1731 * wake all waiting ipa commands
1734 qeth_clear_ipacmd_list(struct qeth_card *card)
1736 struct qeth_reply *reply, *r;
1737 unsigned long flags;
1739 QETH_DBF_TEXT(trace, 4, "clipalst");
1741 spin_lock_irqsave(&card->lock, flags);
1742 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1743 qeth_get_reply(reply);
1745 reply->received = 1;
1746 list_del_init(&reply->list);
1747 wake_up(&reply->wait_q);
1748 qeth_put_reply(reply);
1750 spin_unlock_irqrestore(&card->lock, flags);
1754 qeth_send_control_data_cb(struct qeth_channel *channel,
1755 struct qeth_cmd_buffer *iob)
1757 struct qeth_card *card;
1758 struct qeth_reply *reply, *r;
1759 struct qeth_ipa_cmd *cmd;
1760 unsigned long flags;
1763 QETH_DBF_TEXT(trace,4,"sndctlcb");
1765 card = CARD_FROM_CDEV(channel->ccwdev);
1766 if (qeth_check_idx_response(iob->data)) {
1767 qeth_clear_ipacmd_list(card);
1768 qeth_schedule_recovery(card);
1772 cmd = qeth_check_ipa_data(card, iob);
1773 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1775 /*in case of OSN : check if cmd is set */
1776 if (card->info.type == QETH_CARD_TYPE_OSN &&
1778 cmd->hdr.command != IPA_CMD_STARTLAN &&
1779 card->osn_info.assist_cb != NULL) {
1780 card->osn_info.assist_cb(card->dev, cmd);
1784 spin_lock_irqsave(&card->lock, flags);
1785 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1786 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1787 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1788 qeth_get_reply(reply);
1789 list_del_init(&reply->list);
1790 spin_unlock_irqrestore(&card->lock, flags);
1792 if (reply->callback != NULL) {
1794 reply->offset = (__u16)((char*)cmd -
1796 keep_reply = reply->callback(card,
1798 (unsigned long)cmd);
1800 keep_reply = reply->callback(card,
1802 (unsigned long)iob);
1805 reply->rc = (u16) cmd->hdr.return_code;
1807 reply->rc = iob->rc;
1809 spin_lock_irqsave(&card->lock, flags);
1810 list_add_tail(&reply->list,
1811 &card->cmd_waiter_list);
1812 spin_unlock_irqrestore(&card->lock, flags);
1814 reply->received = 1;
1815 wake_up(&reply->wait_q);
1817 qeth_put_reply(reply);
1821 spin_unlock_irqrestore(&card->lock, flags);
1823 memcpy(&card->seqno.pdu_hdr_ack,
1824 QETH_PDU_HEADER_SEQ_NO(iob->data),
1825 QETH_SEQ_NO_LENGTH);
1826 qeth_release_buffer(channel,iob);
1830 qeth_prepare_control_data(struct qeth_card *card, int len,
1831 struct qeth_cmd_buffer *iob)
1833 qeth_setup_ccw(&card->write,iob->data,len);
1834 iob->callback = qeth_release_buffer;
1836 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1837 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1838 card->seqno.trans_hdr++;
1839 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1840 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1841 card->seqno.pdu_hdr++;
1842 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1843 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1844 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1848 qeth_send_control_data(struct qeth_card *card, int len,
1849 struct qeth_cmd_buffer *iob,
1851 (struct qeth_card *, struct qeth_reply*, unsigned long),
1856 unsigned long flags;
1857 struct qeth_reply *reply = NULL;
1858 struct timer_list timer;
1860 QETH_DBF_TEXT(trace, 2, "sendctl");
1862 reply = qeth_alloc_reply(card);
1864 PRINT_WARN("Could no alloc qeth_reply!\n");
1867 reply->callback = reply_cb;
1868 reply->param = reply_param;
1869 if (card->state == CARD_STATE_DOWN)
1870 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1872 reply->seqno = card->seqno.ipa++;
1874 timer.function = qeth_cmd_timeout;
1875 timer.data = (unsigned long) reply;
1876 init_waitqueue_head(&reply->wait_q);
1877 spin_lock_irqsave(&card->lock, flags);
1878 list_add_tail(&reply->list, &card->cmd_waiter_list);
1879 spin_unlock_irqrestore(&card->lock, flags);
1880 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1881 wait_event(card->wait_q,
1882 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1883 qeth_prepare_control_data(card, len, iob);
1884 if (IS_IPA(iob->data))
1885 timer.expires = jiffies + QETH_IPA_TIMEOUT;
1887 timer.expires = jiffies + QETH_TIMEOUT;
1888 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1889 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1890 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1891 (addr_t) iob, 0, 0);
1892 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1894 PRINT_WARN("qeth_send_control_data: "
1895 "ccw_device_start rc = %i\n", rc);
1896 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1897 spin_lock_irqsave(&card->lock, flags);
1898 list_del_init(&reply->list);
1899 qeth_put_reply(reply);
1900 spin_unlock_irqrestore(&card->lock, flags);
1901 qeth_release_buffer(iob->channel, iob);
1902 atomic_set(&card->write.irq_pending, 0);
1903 wake_up(&card->wait_q);
1907 wait_event(reply->wait_q, reply->received);
1908 del_timer_sync(&timer);
1910 qeth_put_reply(reply);
1915 qeth_osn_send_control_data(struct qeth_card *card, int len,
1916 struct qeth_cmd_buffer *iob)
1918 unsigned long flags;
1921 QETH_DBF_TEXT(trace, 5, "osndctrd");
1923 wait_event(card->wait_q,
1924 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1925 qeth_prepare_control_data(card, len, iob);
1926 QETH_DBF_TEXT(trace, 6, "osnoirqp");
1927 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1928 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1929 (addr_t) iob, 0, 0);
1930 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1932 PRINT_WARN("qeth_osn_send_control_data: "
1933 "ccw_device_start rc = %i\n", rc);
1934 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1935 qeth_release_buffer(iob->channel, iob);
1936 atomic_set(&card->write.irq_pending, 0);
1937 wake_up(&card->wait_q);
1943 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1946 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1947 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1948 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1949 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1953 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1958 QETH_DBF_TEXT(trace,4,"osndipa");
1960 qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
1961 s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
1963 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
1964 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
1965 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
1966 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
1967 return qeth_osn_send_control_data(card, s1, iob);
1971 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1973 (struct qeth_card *,struct qeth_reply*, unsigned long),
1979 QETH_DBF_TEXT(trace,4,"sendipa");
1981 if (card->options.layer2)
1982 if (card->info.type == QETH_CARD_TYPE_OSN)
1983 prot_type = QETH_PROT_OSN2;
1985 prot_type = QETH_PROT_LAYER2;
1987 prot_type = QETH_PROT_TCPIP;
1988 qeth_prepare_ipa_cmd(card,iob,prot_type);
1989 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
1990 reply_cb, reply_param);
1996 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
1999 struct qeth_cmd_buffer *iob;
2001 QETH_DBF_TEXT(setup, 2, "cmenblcb");
2003 iob = (struct qeth_cmd_buffer *) data;
2004 memcpy(&card->token.cm_filter_r,
2005 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2006 QETH_MPC_TOKEN_LENGTH);
2007 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2012 qeth_cm_enable(struct qeth_card *card)
2015 struct qeth_cmd_buffer *iob;
2017 QETH_DBF_TEXT(setup,2,"cmenable");
2019 iob = qeth_wait_for_buffer(&card->write);
2020 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2021 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2022 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2023 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2024 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2026 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2027 qeth_cm_enable_cb, NULL);
2032 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2036 struct qeth_cmd_buffer *iob;
2038 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
2040 iob = (struct qeth_cmd_buffer *) data;
2041 memcpy(&card->token.cm_connection_r,
2042 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2043 QETH_MPC_TOKEN_LENGTH);
2044 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2049 qeth_cm_setup(struct qeth_card *card)
2052 struct qeth_cmd_buffer *iob;
2054 QETH_DBF_TEXT(setup,2,"cmsetup");
2056 iob = qeth_wait_for_buffer(&card->write);
2057 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2058 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2059 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2060 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2061 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2062 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2063 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2064 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2065 qeth_cm_setup_cb, NULL);
2071 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2075 __u16 mtu, framesize;
2078 struct qeth_cmd_buffer *iob;
2080 QETH_DBF_TEXT(setup, 2, "ulpenacb");
2082 iob = (struct qeth_cmd_buffer *) data;
2083 memcpy(&card->token.ulp_filter_r,
2084 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2085 QETH_MPC_TOKEN_LENGTH);
2086 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2087 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2088 mtu = qeth_get_mtu_outof_framesize(framesize);
2091 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2094 card->info.max_mtu = mtu;
2095 card->info.initial_mtu = mtu;
2096 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2098 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2099 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2100 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2103 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2104 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2106 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2107 card->info.link_type = link_type;
2109 card->info.link_type = 0;
2110 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2115 qeth_ulp_enable(struct qeth_card *card)
2119 struct qeth_cmd_buffer *iob;
2121 /*FIXME: trace view callbacks*/
2122 QETH_DBF_TEXT(setup,2,"ulpenabl");
2124 iob = qeth_wait_for_buffer(&card->write);
2125 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2127 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2128 (__u8) card->info.portno;
2129 if (card->options.layer2)
2130 if (card->info.type == QETH_CARD_TYPE_OSN)
2131 prot_type = QETH_PROT_OSN2;
2133 prot_type = QETH_PROT_LAYER2;
2135 prot_type = QETH_PROT_TCPIP;
2137 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2138 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2139 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2140 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2141 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2142 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2143 card->info.portname, 9);
2144 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2145 qeth_ulp_enable_cb, NULL);
2151 __raw_devno_from_bus_id(char *id)
2153 id += (strlen(id) - 4);
2154 return (__u16) simple_strtoul(id, &id, 16);
2158 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2161 struct qeth_cmd_buffer *iob;
2163 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2165 iob = (struct qeth_cmd_buffer *) data;
2166 memcpy(&card->token.ulp_connection_r,
2167 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2168 QETH_MPC_TOKEN_LENGTH);
2169 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2174 qeth_ulp_setup(struct qeth_card *card)
2178 struct qeth_cmd_buffer *iob;
2180 QETH_DBF_TEXT(setup,2,"ulpsetup");
2182 iob = qeth_wait_for_buffer(&card->write);
2183 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2185 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2186 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2187 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2188 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2189 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2190 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2192 temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
2193 memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
2194 temp = (card->info.cula << 8) + card->info.unit_addr2;
2195 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2196 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2197 qeth_ulp_setup_cb, NULL);
2202 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2203 unsigned int siga_error, const char *dbftext)
2205 if (qdio_error || siga_error) {
2206 QETH_DBF_TEXT(trace, 2, dbftext);
2207 QETH_DBF_TEXT(qerr, 2, dbftext);
2208 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2209 buf->element[15].flags & 0xff);
2210 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2211 buf->element[14].flags & 0xff);
2212 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2213 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2219 static inline struct sk_buff *
2220 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2222 struct sk_buff* skb;
2226 if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2227 add_len = sizeof(struct qeth_hdr);
2228 #ifdef CONFIG_QETH_VLAN
2230 add_len = VLAN_HLEN;
2232 skb = dev_alloc_skb(length + add_len);
2234 skb_reserve(skb, add_len);
2238 static inline struct sk_buff *
2239 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2240 struct qdio_buffer_element **__element, int *__offset,
2241 struct qeth_hdr **hdr)
2243 struct qdio_buffer_element *element = *__element;
2244 int offset = *__offset;
2245 struct sk_buff *skb = NULL;
2250 QETH_DBF_TEXT(trace,6,"nextskb");
2251 /* qeth_hdr must not cross element boundaries */
2252 if (element->length < offset + sizeof(struct qeth_hdr)){
2253 if (qeth_is_last_sbale(element))
2257 if (element->length < sizeof(struct qeth_hdr))
2260 *hdr = element->addr + offset;
2262 offset += sizeof(struct qeth_hdr);
2263 if (card->options.layer2)
2264 if (card->info.type == QETH_CARD_TYPE_OSN)
2265 skb_len = (*hdr)->hdr.osn.pdu_length;
2267 skb_len = (*hdr)->hdr.l2.pkt_length;
2269 skb_len = (*hdr)->hdr.l3.length;
2273 if (card->options.fake_ll){
2274 if(card->dev->type == ARPHRD_IEEE802_TR){
2275 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr)))
2277 skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
2279 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr)))
2281 skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
2283 } else if (!(skb = qeth_get_skb(skb_len, *hdr)))
2285 data_ptr = element->addr + offset;
2287 data_len = min(skb_len, (int)(element->length - offset));
2289 memcpy(skb_put(skb, data_len), data_ptr, data_len);
2290 skb_len -= data_len;
2292 if (qeth_is_last_sbale(element)){
2293 QETH_DBF_TEXT(trace,4,"unexeob");
2294 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2295 QETH_DBF_TEXT(qerr,2,"unexeob");
2296 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2297 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2298 dev_kfree_skb_any(skb);
2299 card->stats.rx_errors++;
2304 data_ptr = element->addr;
2309 *__element = element;
2313 if (net_ratelimit()){
2314 PRINT_WARN("No memory for packet received on %s.\n",
2315 QETH_CARD_IFNAME(card));
2316 QETH_DBF_TEXT(trace,2,"noskbmem");
2317 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2319 card->stats.rx_dropped++;
2323 static inline __be16
2324 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2326 struct qeth_card *card;
2329 QETH_DBF_TEXT(trace,6,"typtrans");
2331 card = (struct qeth_card *)dev->priv;
2333 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2334 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2335 return tr_type_trans(skb,dev);
2336 #endif /* CONFIG_TR */
2337 skb->mac.raw = skb->data;
2338 skb_pull(skb, ETH_HLEN );
2341 if (*eth->h_dest & 1) {
2342 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2343 skb->pkt_type = PACKET_BROADCAST;
2345 skb->pkt_type = PACKET_MULTICAST;
2346 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2347 skb->pkt_type = PACKET_OTHERHOST;
2349 if (ntohs(eth->h_proto) >= 1536)
2350 return eth->h_proto;
2351 if (*(unsigned short *) (skb->data) == 0xFFFF)
2352 return htons(ETH_P_802_3);
2353 return htons(ETH_P_802_2);
2357 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2358 struct qeth_hdr *hdr)
2360 struct trh_hdr *fake_hdr;
2361 struct trllc *fake_llc;
2362 struct iphdr *ip_hdr;
2364 QETH_DBF_TEXT(trace,5,"skbfktr");
2365 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR;
2366 /* this is a fake ethernet header */
2367 fake_hdr = (struct trh_hdr *) skb->mac.raw;
2369 /* the destination MAC address */
2370 switch (skb->pkt_type){
2371 case PACKET_MULTICAST:
2372 switch (skb->protocol){
2373 #ifdef CONFIG_QETH_IPV6
2374 case __constant_htons(ETH_P_IPV6):
2375 ndisc_mc_map((struct in6_addr *)
2376 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2377 fake_hdr->daddr, card->dev, 0);
2379 #endif /* CONFIG_QETH_IPV6 */
2380 case __constant_htons(ETH_P_IP):
2381 ip_hdr = (struct iphdr *)skb->data;
2382 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2385 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2388 case PACKET_BROADCAST:
2389 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2392 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2394 /* the source MAC address */
2395 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2396 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2398 memset(fake_hdr->saddr, 0, TR_ALEN);
2400 fake_llc = (struct trllc*)&(fake_hdr->rcf);
2401 fake_llc->dsap = EXTENDED_SAP;
2402 fake_llc->ssap = EXTENDED_SAP;
2403 fake_llc->llc = UI_CMD;
2404 fake_llc->protid[0] = 0;
2405 fake_llc->protid[1] = 0;
2406 fake_llc->protid[2] = 0;
2407 fake_llc->ethertype = ETH_P_IP;
2411 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2412 struct qeth_hdr *hdr)
2414 struct ethhdr *fake_hdr;
2415 struct iphdr *ip_hdr;
2417 QETH_DBF_TEXT(trace,5,"skbfketh");
2418 skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH;
2419 /* this is a fake ethernet header */
2420 fake_hdr = (struct ethhdr *) skb->mac.raw;
2422 /* the destination MAC address */
2423 switch (skb->pkt_type){
2424 case PACKET_MULTICAST:
2425 switch (skb->protocol){
2426 #ifdef CONFIG_QETH_IPV6
2427 case __constant_htons(ETH_P_IPV6):
2428 ndisc_mc_map((struct in6_addr *)
2429 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2430 fake_hdr->h_dest, card->dev, 0);
2432 #endif /* CONFIG_QETH_IPV6 */
2433 case __constant_htons(ETH_P_IP):
2434 ip_hdr = (struct iphdr *)skb->data;
2435 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2438 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2441 case PACKET_BROADCAST:
2442 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2445 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2447 /* the source MAC address */
2448 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2449 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2451 memset(fake_hdr->h_source, 0, ETH_ALEN);
2453 fake_hdr->h_proto = skb->protocol;
2457 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2458 struct qeth_hdr *hdr)
2460 if (card->dev->type == ARPHRD_IEEE802_TR)
2461 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2463 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2467 qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb,
2468 struct qeth_hdr *hdr)
2470 #ifdef CONFIG_QETH_VLAN
2473 if (hdr->hdr.l3.ext_flags &
2474 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2475 vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
2476 *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2477 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2478 *(vlan_tag + 1) = skb->protocol;
2479 skb->protocol = __constant_htons(ETH_P_8021Q);
2481 #endif /* CONFIG_QETH_VLAN */
2485 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2486 struct qeth_hdr *hdr)
2488 unsigned short vlan_id = 0;
2489 #ifdef CONFIG_QETH_VLAN
2490 struct vlan_hdr *vhdr;
2493 skb->pkt_type = PACKET_HOST;
2494 skb->protocol = qeth_type_trans(skb, skb->dev);
2495 if (card->options.checksum_type == NO_CHECKSUMMING)
2496 skb->ip_summed = CHECKSUM_UNNECESSARY;
2498 skb->ip_summed = CHECKSUM_NONE;
2499 #ifdef CONFIG_QETH_VLAN
2500 if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) {
2501 vhdr = (struct vlan_hdr *) skb->data;
2503 __constant_htons(vhdr->h_vlan_encapsulated_proto);
2504 vlan_id = hdr->hdr.l2.vlan_id;
2505 skb_pull(skb, VLAN_HLEN);
2508 *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2513 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2514 struct qeth_hdr *hdr)
2516 #ifdef CONFIG_QETH_IPV6
2517 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2518 skb->pkt_type = PACKET_HOST;
2519 skb->protocol = qeth_type_trans(skb, card->dev);
2522 #endif /* CONFIG_QETH_IPV6 */
2523 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2525 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2526 case QETH_CAST_UNICAST:
2527 skb->pkt_type = PACKET_HOST;
2529 case QETH_CAST_MULTICAST:
2530 skb->pkt_type = PACKET_MULTICAST;
2531 card->stats.multicast++;
2533 case QETH_CAST_BROADCAST:
2534 skb->pkt_type = PACKET_BROADCAST;
2535 card->stats.multicast++;
2537 case QETH_CAST_ANYCAST:
2538 case QETH_CAST_NOCAST:
2540 skb->pkt_type = PACKET_HOST;
2542 qeth_rebuild_skb_vlan(card, skb, hdr);
2543 if (card->options.fake_ll)
2544 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2546 skb->mac.raw = skb->data;
2547 skb->ip_summed = card->options.checksum_type;
2548 if (card->options.checksum_type == HW_CHECKSUMMING){
2549 if ( (hdr->hdr.l3.ext_flags &
2550 (QETH_HDR_EXT_CSUM_HDR_REQ |
2551 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2552 (QETH_HDR_EXT_CSUM_HDR_REQ |
2553 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2554 skb->ip_summed = CHECKSUM_UNNECESSARY;
2556 skb->ip_summed = SW_CHECKSUMMING;
2561 qeth_process_inbound_buffer(struct qeth_card *card,
2562 struct qeth_qdio_buffer *buf, int index)
2564 struct qdio_buffer_element *element;
2565 struct sk_buff *skb;
2566 struct qeth_hdr *hdr;
2571 /* get first element of current buffer */
2572 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2574 #ifdef CONFIG_QETH_PERF_STATS
2575 card->perf_stats.bufs_rec++;
2577 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2579 skb->dev = card->dev;
2580 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2581 vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
2582 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2583 qeth_rebuild_skb(card, skb, hdr);
2584 else { /*in case of OSN*/
2585 skb_push(skb, sizeof(struct qeth_hdr));
2586 memcpy(skb->data, hdr, sizeof(struct qeth_hdr));
2588 /* is device UP ? */
2589 if (!(card->dev->flags & IFF_UP)){
2590 dev_kfree_skb_any(skb);
2593 #ifdef CONFIG_QETH_VLAN
2595 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2598 if (card->info.type == QETH_CARD_TYPE_OSN)
2599 rxrc = card->osn_info.data_cb(skb);
2601 rxrc = netif_rx(skb);
2602 card->dev->last_rx = jiffies;
2603 card->stats.rx_packets++;
2604 card->stats.rx_bytes += skb->len;
2608 static inline struct qeth_buffer_pool_entry *
2609 qeth_get_buffer_pool_entry(struct qeth_card *card)
2611 struct qeth_buffer_pool_entry *entry;
2613 QETH_DBF_TEXT(trace, 6, "gtbfplen");
2614 if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2615 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2616 struct qeth_buffer_pool_entry, list);
2617 list_del_init(&entry->list);
2624 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2626 struct qeth_buffer_pool_entry *pool_entry;
2629 pool_entry = qeth_get_buffer_pool_entry(card);
2631 * since the buffer is accessed only from the input_tasklet
2632 * there shouldn't be a need to synchronize; also, since we use
2633 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2636 BUG_ON(!pool_entry);
2638 buf->pool_entry = pool_entry;
2639 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2640 buf->buffer->element[i].length = PAGE_SIZE;
2641 buf->buffer->element[i].addr = pool_entry->elements[i];
2642 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2643 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2645 buf->buffer->element[i].flags = 0;
2647 buf->state = QETH_QDIO_BUF_EMPTY;
2651 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2652 struct qeth_qdio_out_buffer *buf)
2655 struct sk_buff *skb;
2657 /* is PCI flag set on buffer? */
2658 if (buf->buffer->element[0].flags & 0x40)
2659 atomic_dec(&queue->set_pci_flags_count);
2661 while ((skb = skb_dequeue(&buf->skb_list))){
2662 atomic_dec(&skb->users);
2663 dev_kfree_skb_any(skb);
2665 qeth_eddp_buf_release_contexts(buf);
2666 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2667 buf->buffer->element[i].length = 0;
2668 buf->buffer->element[i].addr = NULL;
2669 buf->buffer->element[i].flags = 0;
2671 buf->next_element_to_fill = 0;
2672 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2676 qeth_queue_input_buffer(struct qeth_card *card, int index)
2678 struct qeth_qdio_q *queue = card->qdio.in_q;
2683 QETH_DBF_TEXT(trace,6,"queinbuf");
2684 count = (index < queue->next_buf_to_init)?
2685 card->qdio.in_buf_pool.buf_count -
2686 (queue->next_buf_to_init - index) :
2687 card->qdio.in_buf_pool.buf_count -
2688 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2689 /* only requeue at a certain threshold to avoid SIGAs */
2690 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2691 for (i = queue->next_buf_to_init;
2692 i < queue->next_buf_to_init + count; ++i)
2693 qeth_init_input_buffer(card,
2694 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2696 * according to old code it should be avoided to requeue all
2697 * 128 buffers in order to benefit from PCI avoidance.
2698 * this function keeps at least one buffer (the buffer at
2699 * 'index') un-requeued -> this buffer is the first buffer that
2700 * will be requeued the next time
2702 #ifdef CONFIG_QETH_PERF_STATS
2703 card->perf_stats.inbound_do_qdio_cnt++;
2704 card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros();
2706 rc = do_QDIO(CARD_DDEV(card),
2707 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2708 0, queue->next_buf_to_init, count, NULL);
2709 #ifdef CONFIG_QETH_PERF_STATS
2710 card->perf_stats.inbound_do_qdio_time += qeth_get_micros() -
2711 card->perf_stats.inbound_do_qdio_start_time;
2714 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2715 "return %i (device %s).\n",
2716 rc, CARD_DDEV_ID(card));
2717 QETH_DBF_TEXT(trace,2,"qinberr");
2718 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2720 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2721 QDIO_MAX_BUFFERS_PER_Q;
2726 qeth_put_buffer_pool_entry(struct qeth_card *card,
2727 struct qeth_buffer_pool_entry *entry)
2729 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2730 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2734 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2735 unsigned int qdio_err, unsigned int siga_err,
2736 unsigned int queue, int first_element, int count,
2737 unsigned long card_ptr)
2739 struct net_device *net_dev;
2740 struct qeth_card *card;
2741 struct qeth_qdio_buffer *buffer;
2745 QETH_DBF_TEXT(trace, 6, "qdinput");
2746 card = (struct qeth_card *) card_ptr;
2747 net_dev = card->dev;
2748 #ifdef CONFIG_QETH_PERF_STATS
2749 card->perf_stats.inbound_cnt++;
2750 card->perf_stats.inbound_start_time = qeth_get_micros();
2752 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2753 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2754 QETH_DBF_TEXT(trace, 1,"qdinchk");
2755 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2756 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2757 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2758 qeth_schedule_recovery(card);
2762 for (i = first_element; i < (first_element + count); ++i) {
2763 index = i % QDIO_MAX_BUFFERS_PER_Q;
2764 buffer = &card->qdio.in_q->bufs[index];
2765 if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
2766 qeth_check_qdio_errors(buffer->buffer,
2767 qdio_err, siga_err,"qinerr")))
2768 qeth_process_inbound_buffer(card, buffer, index);
2769 /* clear buffer and give back to hardware */
2770 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2771 qeth_queue_input_buffer(card, index);
2773 #ifdef CONFIG_QETH_PERF_STATS
2774 card->perf_stats.inbound_time += qeth_get_micros() -
2775 card->perf_stats.inbound_start_time;
2780 qeth_handle_send_error(struct qeth_card *card,
2781 struct qeth_qdio_out_buffer *buffer,
2782 unsigned int qdio_err, unsigned int siga_err)
2784 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2785 int cc = siga_err & 3;
2787 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2788 qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2792 QETH_DBF_TEXT(trace, 1,"lnkfail");
2793 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2794 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2795 (u16)qdio_err, (u8)sbalf15);
2796 return QETH_SEND_ERROR_LINK_FAILURE;
2798 return QETH_SEND_ERROR_NONE;
2800 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2801 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2802 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2803 return QETH_SEND_ERROR_KICK_IT;
2805 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2806 return QETH_SEND_ERROR_RETRY;
2807 return QETH_SEND_ERROR_LINK_FAILURE;
2808 /* look at qdio_error and sbalf 15 */
2810 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2811 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2812 return QETH_SEND_ERROR_LINK_FAILURE;
2815 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2816 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2817 return QETH_SEND_ERROR_KICK_IT;
2822 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2823 int index, int count)
2825 struct qeth_qdio_out_buffer *buf;
2829 QETH_DBF_TEXT(trace, 6, "flushbuf");
2831 for (i = index; i < index + count; ++i) {
2832 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2833 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2834 SBAL_FLAGS_LAST_ENTRY;
2836 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2839 if (!queue->do_pack){
2840 if ((atomic_read(&queue->used_buffers) >=
2841 (QETH_HIGH_WATERMARK_PACK -
2842 QETH_WATERMARK_PACK_FUZZ)) &&
2843 !atomic_read(&queue->set_pci_flags_count)){
2844 /* it's likely that we'll go to packing
2846 atomic_inc(&queue->set_pci_flags_count);
2847 buf->buffer->element[0].flags |= 0x40;
2850 if (!atomic_read(&queue->set_pci_flags_count)){
2852 * there's no outstanding PCI any more, so we
2853 * have to request a PCI to be sure the the PCI
2854 * will wake at some time in the future then we
2855 * can flush packed buffers that might still be
2856 * hanging around, which can happen if no
2857 * further send was requested by the stack
2859 atomic_inc(&queue->set_pci_flags_count);
2860 buf->buffer->element[0].flags |= 0x40;
2865 queue->card->dev->trans_start = jiffies;
2866 #ifdef CONFIG_QETH_PERF_STATS
2867 queue->card->perf_stats.outbound_do_qdio_cnt++;
2868 queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros();
2871 rc = do_QDIO(CARD_DDEV(queue->card),
2872 QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
2873 queue->queue_no, index, count, NULL);
2875 rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
2876 queue->queue_no, index, count, NULL);
2877 #ifdef CONFIG_QETH_PERF_STATS
2878 queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() -
2879 queue->card->perf_stats.outbound_do_qdio_start_time;
2882 QETH_DBF_TEXT(trace, 2, "flushbuf");
2883 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2884 QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
2885 queue->card->stats.tx_errors += count;
2886 /* this must not happen under normal circumstances. if it
2887 * happens something is really wrong -> recover */
2888 qeth_schedule_recovery(queue->card);
2891 atomic_add(count, &queue->used_buffers);
2892 #ifdef CONFIG_QETH_PERF_STATS
2893 queue->card->perf_stats.bufs_sent += count;
2898 * Switched to packing state if the number of used buffers on a queue
2899 * reaches a certain limit.
2902 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2904 if (!queue->do_pack) {
2905 if (atomic_read(&queue->used_buffers)
2906 >= QETH_HIGH_WATERMARK_PACK){
2907 /* switch non-PACKING -> PACKING */
2908 QETH_DBF_TEXT(trace, 6, "np->pack");
2909 #ifdef CONFIG_QETH_PERF_STATS
2910 queue->card->perf_stats.sc_dp_p++;
2918 * Switches from packing to non-packing mode. If there is a packing
2919 * buffer on the queue this buffer will be prepared to be flushed.
2920 * In that case 1 is returned to inform the caller. If no buffer
2921 * has to be flushed, zero is returned.
2924 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2926 struct qeth_qdio_out_buffer *buffer;
2927 int flush_count = 0;
2929 if (queue->do_pack) {
2930 if (atomic_read(&queue->used_buffers)
2931 <= QETH_LOW_WATERMARK_PACK) {
2932 /* switch PACKING -> non-PACKING */
2933 QETH_DBF_TEXT(trace, 6, "pack->np");
2934 #ifdef CONFIG_QETH_PERF_STATS
2935 queue->card->perf_stats.sc_p_dp++;
2938 /* flush packing buffers */
2939 buffer = &queue->bufs[queue->next_buf_to_fill];
2940 if ((atomic_read(&buffer->state) ==
2941 QETH_QDIO_BUF_EMPTY) &&
2942 (buffer->next_element_to_fill > 0)) {
2943 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2945 queue->next_buf_to_fill =
2946 (queue->next_buf_to_fill + 1) %
2947 QDIO_MAX_BUFFERS_PER_Q;
2955 * Called to flush a packing buffer if no more pci flags are on the queue.
2956 * Checks if there is a packing buffer and prepares it to be flushed.
2957 * In that case returns 1, otherwise zero.
2960 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2962 struct qeth_qdio_out_buffer *buffer;
2964 buffer = &queue->bufs[queue->next_buf_to_fill];
2965 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2966 (buffer->next_element_to_fill > 0)){
2967 /* it's a packing buffer */
2968 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2969 queue->next_buf_to_fill =
2970 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2977 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2981 int q_was_packing = 0;
2984 * check if weed have to switch to non-packing mode or if
2985 * we have to get a pci flag out on the queue
2987 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2988 !atomic_read(&queue->set_pci_flags_count)){
2989 if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2990 QETH_OUT_Q_UNLOCKED) {
2992 * If we get in here, there was no action in
2993 * do_send_packet. So, we check if there is a
2994 * packing buffer to be flushed here.
2996 netif_stop_queue(queue->card->dev);
2997 index = queue->next_buf_to_fill;
2998 q_was_packing = queue->do_pack;
2999 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3001 !atomic_read(&queue->set_pci_flags_count))
3003 qeth_flush_buffers_on_no_pci(queue);
3004 #ifdef CONFIG_QETH_PERF_STATS
3006 queue->card->perf_stats.bufs_sent_pack +=
3010 qeth_flush_buffers(queue, 1, index, flush_cnt);
3011 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3017 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
3018 unsigned int qdio_error, unsigned int siga_error,
3019 unsigned int __queue, int first_element, int count,
3020 unsigned long card_ptr)
3022 struct qeth_card *card = (struct qeth_card *) card_ptr;
3023 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3024 struct qeth_qdio_out_buffer *buffer;
3027 QETH_DBF_TEXT(trace, 6, "qdouhdl");
3028 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
3029 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
3030 QETH_DBF_TEXT(trace, 2, "achkcond");
3031 QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
3032 QETH_DBF_TEXT_(trace, 2, "%08x", status);
3033 netif_stop_queue(card->dev);
3034 qeth_schedule_recovery(card);
3038 #ifdef CONFIG_QETH_PERF_STATS
3039 card->perf_stats.outbound_handler_cnt++;
3040 card->perf_stats.outbound_handler_start_time = qeth_get_micros();
3042 for(i = first_element; i < (first_element + count); ++i){
3043 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
3044 /*we only handle the KICK_IT error by doing a recovery */
3045 if (qeth_handle_send_error(card, buffer,
3046 qdio_error, siga_error)
3047 == QETH_SEND_ERROR_KICK_IT){
3048 netif_stop_queue(card->dev);
3049 qeth_schedule_recovery(card);
3052 qeth_clear_output_buffer(queue, buffer);
3054 atomic_sub(count, &queue->used_buffers);
3055 /* check if we need to do something on this outbound queue */
3056 if (card->info.type != QETH_CARD_TYPE_IQD)
3057 qeth_check_outbound_queue(queue);
3059 netif_wake_queue(queue->card->dev);
3060 #ifdef CONFIG_QETH_PERF_STATS
3061 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3062 card->perf_stats.outbound_handler_start_time;
3067 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
3070 param_field[0] = _ascebc['P'];
3071 param_field[1] = _ascebc['C'];
3072 param_field[2] = _ascebc['I'];
3073 param_field[3] = _ascebc['T'];
3074 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
3075 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
3076 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
3080 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3082 param_field[16] = _ascebc['B'];
3083 param_field[17] = _ascebc['L'];
3084 param_field[18] = _ascebc['K'];
3085 param_field[19] = _ascebc['T'];
3086 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
3087 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
3088 *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo;
3092 qeth_initialize_working_pool_list(struct qeth_card *card)
3094 struct qeth_buffer_pool_entry *entry;
3096 QETH_DBF_TEXT(trace,5,"inwrklst");
3098 list_for_each_entry(entry,
3099 &card->qdio.init_pool.entry_list, init_list) {
3100 qeth_put_buffer_pool_entry(card,entry);
3105 qeth_clear_working_pool_list(struct qeth_card *card)
3107 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3109 QETH_DBF_TEXT(trace,5,"clwrklst");
3110 list_for_each_entry_safe(pool_entry, tmp,
3111 &card->qdio.in_buf_pool.entry_list, list){
3112 list_del(&pool_entry->list);
3117 qeth_free_buffer_pool(struct qeth_card *card)
3119 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3121 QETH_DBF_TEXT(trace,5,"freepool");
3122 list_for_each_entry_safe(pool_entry, tmp,
3123 &card->qdio.init_pool.entry_list, init_list){
3124 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3125 free_page((unsigned long)pool_entry->elements[i]);
3126 list_del(&pool_entry->init_list);
3132 qeth_alloc_buffer_pool(struct qeth_card *card)
3134 struct qeth_buffer_pool_entry *pool_entry;
3138 QETH_DBF_TEXT(trace,5,"alocpool");
3139 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3140 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3142 qeth_free_buffer_pool(card);
3145 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3146 ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3149 free_page((unsigned long)
3150 pool_entry->elements[--j]);
3152 qeth_free_buffer_pool(card);
3155 pool_entry->elements[j] = ptr;
3157 list_add(&pool_entry->init_list,
3158 &card->qdio.init_pool.entry_list);
3164 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3166 QETH_DBF_TEXT(trace, 2, "realcbp");
3168 if ((card->state != CARD_STATE_DOWN) &&
3169 (card->state != CARD_STATE_RECOVER))
3172 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3173 qeth_clear_working_pool_list(card);
3174 qeth_free_buffer_pool(card);
3175 card->qdio.in_buf_pool.buf_count = bufcnt;
3176 card->qdio.init_pool.buf_count = bufcnt;
3177 return qeth_alloc_buffer_pool(card);
3181 qeth_alloc_qdio_buffers(struct qeth_card *card)
3185 QETH_DBF_TEXT(setup, 2, "allcqdbf");
3187 if (card->qdio.state == QETH_QDIO_ALLOCATED)
3190 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3191 GFP_KERNEL|GFP_DMA);
3192 if (!card->qdio.in_q)
3194 QETH_DBF_TEXT(setup, 2, "inq");
3195 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3196 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3197 /* give inbound qeth_qdio_buffers their qdio_buffers */
3198 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3199 card->qdio.in_q->bufs[i].buffer =
3200 &card->qdio.in_q->qdio_bufs[i];
3201 /* inbound buffer pool */
3202 if (qeth_alloc_buffer_pool(card)){
3203 kfree(card->qdio.in_q);
3208 kmalloc(card->qdio.no_out_queues *
3209 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3210 if (!card->qdio.out_qs){
3211 qeth_free_buffer_pool(card);
3214 for (i = 0; i < card->qdio.no_out_queues; ++i){
3215 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3216 GFP_KERNEL|GFP_DMA);
3217 if (!card->qdio.out_qs[i]){
3219 kfree(card->qdio.out_qs[--i]);
3220 kfree(card->qdio.out_qs);
3223 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3224 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3225 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3226 card->qdio.out_qs[i]->queue_no = i;
3227 /* give outbound qeth_qdio_buffers their qdio_buffers */
3228 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3229 card->qdio.out_qs[i]->bufs[j].buffer =
3230 &card->qdio.out_qs[i]->qdio_bufs[j];
3231 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3233 INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3236 card->qdio.state = QETH_QDIO_ALLOCATED;
3241 qeth_free_qdio_buffers(struct qeth_card *card)
3245 QETH_DBF_TEXT(trace, 2, "freeqdbf");
3246 if (card->qdio.state == QETH_QDIO_UNINITIALIZED)
3248 kfree(card->qdio.in_q);
3249 /* inbound buffer pool */
3250 qeth_free_buffer_pool(card);
3251 /* free outbound qdio_qs */
3252 for (i = 0; i < card->qdio.no_out_queues; ++i){
3253 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3254 qeth_clear_output_buffer(card->qdio.out_qs[i],
3255 &card->qdio.out_qs[i]->bufs[j]);
3256 kfree(card->qdio.out_qs[i]);
3258 kfree(card->qdio.out_qs);
3259 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3263 qeth_clear_qdio_buffers(struct qeth_card *card)
3267 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3268 /* clear outbound buffers to free skbs */
3269 for (i = 0; i < card->qdio.no_out_queues; ++i)
3270 if (card->qdio.out_qs[i]){
3271 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3272 qeth_clear_output_buffer(card->qdio.out_qs[i],
3273 &card->qdio.out_qs[i]->bufs[j]);
3278 qeth_init_qdio_info(struct qeth_card *card)
3280 QETH_DBF_TEXT(setup, 4, "intqdinf");
3281 card->qdio.state = QETH_QDIO_UNINITIALIZED;
3283 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3284 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3285 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3286 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3287 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3291 qeth_init_qdio_queues(struct qeth_card *card)
3296 QETH_DBF_TEXT(setup, 2, "initqdqs");
3299 memset(card->qdio.in_q->qdio_bufs, 0,
3300 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3301 qeth_initialize_working_pool_list(card);
3302 /*give only as many buffers to hardware as we have buffer pool entries*/
3303 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3304 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3305 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3306 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3307 card->qdio.in_buf_pool.buf_count - 1, NULL);
3309 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3312 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3314 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3317 /* outbound queue */
3318 for (i = 0; i < card->qdio.no_out_queues; ++i){
3319 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3320 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3321 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3322 qeth_clear_output_buffer(card->qdio.out_qs[i],
3323 &card->qdio.out_qs[i]->bufs[j]);
3325 card->qdio.out_qs[i]->card = card;
3326 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3327 card->qdio.out_qs[i]->do_pack = 0;
3328 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3329 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3330 atomic_set(&card->qdio.out_qs[i]->state,
3331 QETH_OUT_Q_UNLOCKED);
3337 qeth_qdio_establish(struct qeth_card *card)
3339 struct qdio_initialize init_data;
3340 char *qib_param_field;
3341 struct qdio_buffer **in_sbal_ptrs;
3342 struct qdio_buffer **out_sbal_ptrs;
3346 QETH_DBF_TEXT(setup, 2, "qdioest");
3348 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3350 if (!qib_param_field)
3353 qeth_create_qib_param_field(card, qib_param_field);
3354 qeth_create_qib_param_field_blkt(card, qib_param_field);
3356 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3358 if (!in_sbal_ptrs) {
3359 kfree(qib_param_field);
3362 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3363 in_sbal_ptrs[i] = (struct qdio_buffer *)
3364 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3367 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3368 sizeof(void *), GFP_KERNEL);
3369 if (!out_sbal_ptrs) {
3370 kfree(in_sbal_ptrs);
3371 kfree(qib_param_field);
3374 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3375 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3376 out_sbal_ptrs[k] = (struct qdio_buffer *)
3377 virt_to_phys(card->qdio.out_qs[i]->
3381 memset(&init_data, 0, sizeof(struct qdio_initialize));
3382 init_data.cdev = CARD_DDEV(card);
3383 init_data.q_format = qeth_get_qdio_q_format(card);
3384 init_data.qib_param_field_format = 0;
3385 init_data.qib_param_field = qib_param_field;
3386 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3387 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3388 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3389 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3390 init_data.no_input_qs = 1;
3391 init_data.no_output_qs = card->qdio.no_out_queues;
3392 init_data.input_handler = (qdio_handler_t *)
3393 qeth_qdio_input_handler;
3394 init_data.output_handler = (qdio_handler_t *)
3395 qeth_qdio_output_handler;
3396 init_data.int_parm = (unsigned long) card;
3397 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3398 QDIO_OUTBOUND_0COPY_SBALS |
3399 QDIO_USE_OUTBOUND_PCIS;
3400 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3401 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3403 if (!(rc = qdio_initialize(&init_data)))
3404 card->qdio.state = QETH_QDIO_ESTABLISHED;
3406 kfree(out_sbal_ptrs);
3407 kfree(in_sbal_ptrs);
3408 kfree(qib_param_field);
3413 qeth_qdio_activate(struct qeth_card *card)
3415 QETH_DBF_TEXT(setup,3,"qdioact");
3416 return qdio_activate(CARD_DDEV(card), 0);
3420 qeth_clear_channel(struct qeth_channel *channel)
3422 unsigned long flags;
3423 struct qeth_card *card;
3426 QETH_DBF_TEXT(trace,3,"clearch");
3427 card = CARD_FROM_CDEV(channel->ccwdev);
3428 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3429 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3430 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3434 rc = wait_event_interruptible_timeout(card->wait_q,
3435 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3436 if (rc == -ERESTARTSYS)
3438 if (channel->state != CH_STATE_STOPPED)
3440 channel->state = CH_STATE_DOWN;
3445 qeth_halt_channel(struct qeth_channel *channel)
3447 unsigned long flags;
3448 struct qeth_card *card;
3451 QETH_DBF_TEXT(trace,3,"haltch");
3452 card = CARD_FROM_CDEV(channel->ccwdev);
3453 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3454 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3455 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3459 rc = wait_event_interruptible_timeout(card->wait_q,
3460 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3461 if (rc == -ERESTARTSYS)
3463 if (channel->state != CH_STATE_HALTED)
3469 qeth_halt_channels(struct qeth_card *card)
3471 int rc1 = 0, rc2=0, rc3 = 0;
3473 QETH_DBF_TEXT(trace,3,"haltchs");
3474 rc1 = qeth_halt_channel(&card->read);
3475 rc2 = qeth_halt_channel(&card->write);
3476 rc3 = qeth_halt_channel(&card->data);
3484 qeth_clear_channels(struct qeth_card *card)
3486 int rc1 = 0, rc2=0, rc3 = 0;
3488 QETH_DBF_TEXT(trace,3,"clearchs");
3489 rc1 = qeth_clear_channel(&card->read);
3490 rc2 = qeth_clear_channel(&card->write);
3491 rc3 = qeth_clear_channel(&card->data);
3500 qeth_clear_halt_card(struct qeth_card *card, int halt)
3504 QETH_DBF_TEXT(trace,3,"clhacrd");
3505 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3508 rc = qeth_halt_channels(card);
3511 return qeth_clear_channels(card);
3515 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3519 QETH_DBF_TEXT(trace,3,"qdioclr");
3520 if (card->qdio.state == QETH_QDIO_ESTABLISHED){
3521 if ((rc = qdio_cleanup(CARD_DDEV(card),
3522 (card->info.type == QETH_CARD_TYPE_IQD) ?
3523 QDIO_FLAG_CLEANUP_USING_HALT :
3524 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3525 QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3526 card->qdio.state = QETH_QDIO_ALLOCATED;
3528 if ((rc = qeth_clear_halt_card(card, use_halt)))
3529 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3530 card->state = CARD_STATE_DOWN;
3535 qeth_dm_act(struct qeth_card *card)
3538 struct qeth_cmd_buffer *iob;
3540 QETH_DBF_TEXT(setup,2,"dmact");
3542 iob = qeth_wait_for_buffer(&card->write);
3543 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3545 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3546 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3547 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3548 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3549 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3554 qeth_mpc_initialize(struct qeth_card *card)
3558 QETH_DBF_TEXT(setup,2,"mpcinit");
3560 if ((rc = qeth_issue_next_read(card))){
3561 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3564 if ((rc = qeth_cm_enable(card))){
3565 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3568 if ((rc = qeth_cm_setup(card))){
3569 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3572 if ((rc = qeth_ulp_enable(card))){
3573 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3576 if ((rc = qeth_ulp_setup(card))){
3577 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3580 if ((rc = qeth_alloc_qdio_buffers(card))){
3581 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3584 if ((rc = qeth_qdio_establish(card))){
3585 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3586 qeth_free_qdio_buffers(card);
3589 if ((rc = qeth_qdio_activate(card))){
3590 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3593 if ((rc = qeth_dm_act(card))){
3594 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3600 qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3604 static struct net_device *
3605 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3607 struct net_device *dev = NULL;
3610 case QETH_CARD_TYPE_OSAE:
3612 case QETH_LINK_TYPE_LANE_TR:
3613 case QETH_LINK_TYPE_HSTR:
3615 dev = alloc_trdev(0);
3616 #endif /* CONFIG_TR */
3619 dev = alloc_etherdev(0);
3622 case QETH_CARD_TYPE_IQD:
3623 dev = alloc_netdev(0, "hsi%d", ether_setup);
3625 case QETH_CARD_TYPE_OSN:
3626 dev = alloc_netdev(0, "osn%d", ether_setup);
3629 dev = alloc_etherdev(0);
3634 /*hard_header fake function; used in case fake_ll is set */
3636 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3637 unsigned short type, void *daddr, void *saddr,
3640 if(dev->type == ARPHRD_IEEE802_TR){
3641 struct trh_hdr *hdr;
3642 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3643 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3644 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3645 return QETH_FAKE_LL_LEN_TR;
3649 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3650 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3651 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3652 if (type != ETH_P_802_3)
3653 hdr->h_proto = htons(type);
3655 hdr->h_proto = htons(len);
3656 return QETH_FAKE_LL_LEN_ETH;
3662 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3665 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3668 struct qeth_card *card;
3670 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3671 card = (struct qeth_card *)dev->priv;
3673 card->stats.tx_dropped++;
3674 card->stats.tx_errors++;
3675 /* return OK; otherwise ksoftirqd goes to 100% */
3676 return NETDEV_TX_OK;
3678 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3679 card->stats.tx_dropped++;
3680 card->stats.tx_errors++;
3681 card->stats.tx_carrier_errors++;
3682 dev_kfree_skb_any(skb);
3683 /* return OK; otherwise ksoftirqd goes to 100% */
3684 return NETDEV_TX_OK;
3686 #ifdef CONFIG_QETH_PERF_STATS
3687 card->perf_stats.outbound_cnt++;
3688 card->perf_stats.outbound_start_time = qeth_get_micros();
3690 netif_stop_queue(dev);
3691 if ((rc = qeth_send_packet(card, skb))) {
3693 return NETDEV_TX_BUSY;
3695 card->stats.tx_errors++;
3696 card->stats.tx_dropped++;
3697 dev_kfree_skb_any(skb);
3698 /*set to OK; otherwise ksoftirqd goes to 100% */
3702 netif_wake_queue(dev);
3703 #ifdef CONFIG_QETH_PERF_STATS
3704 card->perf_stats.outbound_time += qeth_get_micros() -
3705 card->perf_stats.outbound_start_time;
3711 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3714 #ifdef CONFIG_QETH_VLAN
3715 struct vlan_group *vg;
3718 if (!(vg = card->vlangrp))
3721 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3722 if (vg->vlan_devices[i] == dev){
3723 rc = QETH_VLAN_CARD;
3727 if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3735 qeth_verify_dev(struct net_device *dev)
3737 struct qeth_card *card;
3738 unsigned long flags;
3741 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3742 list_for_each_entry(card, &qeth_card_list.list, list){
3743 if (card->dev == dev){
3744 rc = QETH_REAL_CARD;
3747 rc = qeth_verify_vlan_dev(dev, card);
3751 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3756 static struct qeth_card *
3757 qeth_get_card_from_dev(struct net_device *dev)
3759 struct qeth_card *card = NULL;
3762 rc = qeth_verify_dev(dev);
3763 if (rc == QETH_REAL_CARD)
3764 card = (struct qeth_card *)dev->priv;
3765 else if (rc == QETH_VLAN_CARD)
3766 card = (struct qeth_card *)
3767 VLAN_DEV_INFO(dev)->real_dev->priv;
3769 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3774 qeth_tx_timeout(struct net_device *dev)
3776 struct qeth_card *card;
3778 card = (struct qeth_card *) dev->priv;
3779 card->stats.tx_errors++;
3780 qeth_schedule_recovery(card);
3784 qeth_open(struct net_device *dev)
3786 struct qeth_card *card;
3788 QETH_DBF_TEXT(trace, 4, "qethopen");
3790 card = (struct qeth_card *) dev->priv;
3792 if (card->state != CARD_STATE_SOFTSETUP)
3795 if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3796 (card->options.layer2) &&
3797 (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3798 QETH_DBF_TEXT(trace,4,"nomacadr");
3801 card->data.state = CH_STATE_UP;
3802 card->state = CARD_STATE_UP;
3803 card->dev->flags |= IFF_UP;
3804 netif_start_queue(dev);
3806 if (!card->lan_online && netif_carrier_ok(dev))
3807 netif_carrier_off(dev);
3812 qeth_stop(struct net_device *dev)
3814 struct qeth_card *card;
3816 QETH_DBF_TEXT(trace, 4, "qethstop");
3818 card = (struct qeth_card *) dev->priv;
3820 netif_tx_disable(dev);
3821 card->dev->flags &= ~IFF_UP;
3822 if (card->state == CARD_STATE_UP)
3823 card->state = CARD_STATE_SOFTSETUP;
3828 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3830 int cast_type = RTN_UNSPEC;
3832 if (card->info.type == QETH_CARD_TYPE_OSN)
3835 if (skb->dst && skb->dst->neighbour){
3836 cast_type = skb->dst->neighbour->type;
3837 if ((cast_type == RTN_BROADCAST) ||
3838 (cast_type == RTN_MULTICAST) ||
3839 (cast_type == RTN_ANYCAST))
3844 /* try something else */
3845 if (skb->protocol == ETH_P_IPV6)
3846 return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
3847 else if (skb->protocol == ETH_P_IP)
3848 return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
3850 if (!memcmp(skb->data, skb->dev->broadcast, 6))
3851 return RTN_BROADCAST;
3855 hdr_mac = *((u16 *)skb->data);
3857 switch (card->info.link_type) {
3858 case QETH_LINK_TYPE_HSTR:
3859 case QETH_LINK_TYPE_LANE_TR:
3860 if ((hdr_mac == QETH_TR_MAC_NC) ||
3861 (hdr_mac == QETH_TR_MAC_C))
3862 return RTN_MULTICAST;
3864 /* eth or so multicast? */
3866 if ((hdr_mac == QETH_ETH_MAC_V4) ||
3867 (hdr_mac == QETH_ETH_MAC_V6))
3868 return RTN_MULTICAST;
3875 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3876 int ipv, int cast_type)
3878 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3879 return card->qdio.default_out_queue;
3880 switch (card->qdio.no_out_queues) {
3882 if (cast_type && card->info.is_multicast_different)
3883 return card->info.is_multicast_different &
3884 (card->qdio.no_out_queues - 1);
3885 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3886 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3887 if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT)
3889 if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY)
3891 if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT)
3893 if (skb->nh.iph->tos & IP_TOS_LOWDELAY)
3896 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3897 return 3 - (skb->nh.iph->tos >> 6);
3898 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3901 return card->qdio.default_out_queue;
3902 case 1: /* fallthrough for single-out-queue 1920-device */
3904 return card->qdio.default_out_queue;
3909 qeth_get_ip_version(struct sk_buff *skb)
3911 switch (skb->protocol) {
3922 qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
3923 struct qeth_hdr **hdr, int ipv)
3926 #ifdef CONFIG_QETH_VLAN
3930 QETH_DBF_TEXT(trace, 6, "prepskb");
3931 if (card->info.type == QETH_CARD_TYPE_OSN) {
3932 *hdr = (struct qeth_hdr *)(*skb)->data;
3935 rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr));
3938 #ifdef CONFIG_QETH_VLAN
3939 if (card->vlangrp && vlan_tx_tag_present(*skb) &&
3940 ((ipv == 6) || card->options.layer2) ) {
3942 * Move the mac addresses (6 bytes src, 6 bytes dest)
3943 * to the beginning of the new header. We are using three
3944 * memcpys instead of one memmove to save cycles.
3946 skb_push(*skb, VLAN_HLEN);
3947 memcpy((*skb)->data, (*skb)->data + 4, 4);
3948 memcpy((*skb)->data + 4, (*skb)->data + 8, 4);
3949 memcpy((*skb)->data + 8, (*skb)->data + 12, 4);
3950 tag = (u16 *)((*skb)->data + 12);
3952 * first two bytes = ETH_P_8021Q (0x8100)
3953 * second two bytes = VLANID
3955 *tag = __constant_htons(ETH_P_8021Q);
3956 *(tag + 1) = htons(vlan_tx_tag_get(*skb));
3959 *hdr = (struct qeth_hdr *)
3960 qeth_push_skb(card, skb, sizeof(struct qeth_hdr));
3967 qeth_get_qeth_hdr_flags4(int cast_type)
3969 if (cast_type == RTN_MULTICAST)
3970 return QETH_CAST_MULTICAST;
3971 if (cast_type == RTN_BROADCAST)
3972 return QETH_CAST_BROADCAST;
3973 return QETH_CAST_UNICAST;
3977 qeth_get_qeth_hdr_flags6(int cast_type)
3979 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
3980 if (cast_type == RTN_MULTICAST)
3981 return ct | QETH_CAST_MULTICAST;
3982 if (cast_type == RTN_ANYCAST)
3983 return ct | QETH_CAST_ANYCAST;
3984 if (cast_type == RTN_BROADCAST)
3985 return ct | QETH_CAST_BROADCAST;
3986 return ct | QETH_CAST_UNICAST;
3990 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
3991 struct sk_buff *skb)
3995 if (!memcmp(skb->data+QETH_HEADER_SIZE,
3996 skb->dev->broadcast,6)) { /* broadcast? */
3997 *(__u32 *)hdr->hdr.l2.flags |=
3998 QETH_LAYER2_FLAG_BROADCAST << 8;
4001 hdr_mac=*((__u16*)skb->data);
4003 switch (card->info.link_type) {
4004 case QETH_LINK_TYPE_HSTR:
4005 case QETH_LINK_TYPE_LANE_TR:
4006 if ((hdr_mac == QETH_TR_MAC_NC) ||
4007 (hdr_mac == QETH_TR_MAC_C) )
4008 *(__u32 *)hdr->hdr.l2.flags |=
4009 QETH_LAYER2_FLAG_MULTICAST << 8;
4011 *(__u32 *)hdr->hdr.l2.flags |=
4012 QETH_LAYER2_FLAG_UNICAST << 8;
4014 /* eth or so multicast? */
4016 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
4017 (hdr_mac==QETH_ETH_MAC_V6) )
4018 *(__u32 *)hdr->hdr.l2.flags |=
4019 QETH_LAYER2_FLAG_MULTICAST << 8;
4021 *(__u32 *)hdr->hdr.l2.flags |=
4022 QETH_LAYER2_FLAG_UNICAST << 8;
4027 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4028 struct sk_buff *skb, int cast_type)
4030 memset(hdr, 0, sizeof(struct qeth_hdr));
4031 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
4033 /* set byte 0 to "0x02" and byte 3 to casting flags */
4034 if (cast_type==RTN_MULTICAST)
4035 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
4036 else if (cast_type==RTN_BROADCAST)
4037 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
4039 qeth_layer2_get_packet_type(card, hdr, skb);
4041 hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4042 #ifdef CONFIG_QETH_VLAN
4043 /* VSWITCH relies on the VLAN
4044 * information to be present in
4045 * the QDIO header */
4046 if ((card->vlangrp != NULL) &&
4047 vlan_tx_tag_present(skb)) {
4048 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4049 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4055 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4056 struct sk_buff *skb, int ipv, int cast_type)
4058 QETH_DBF_TEXT(trace, 6, "fillhdr");
4060 memset(hdr, 0, sizeof(struct qeth_hdr));
4061 if (card->options.layer2) {
4062 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4065 hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4066 hdr->hdr.l3.ext_flags = 0;
4067 #ifdef CONFIG_QETH_VLAN
4069 * before we're going to overwrite this location with next hop ip.
4070 * v6 uses passthrough, v4 sets the tag in the QDIO header.
4072 if (card->vlangrp && vlan_tx_tag_present(skb)) {
4073 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4074 QETH_HDR_EXT_VLAN_FRAME :
4075 QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4076 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4078 #endif /* CONFIG_QETH_VLAN */
4079 hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4080 if (ipv == 4) { /* IPv4 */
4081 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4082 memset(hdr->hdr.l3.dest_addr, 0, 12);
4083 if ((skb->dst) && (skb->dst->neighbour)) {
4084 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4085 *((u32 *) skb->dst->neighbour->primary_key);
4087 /* fill in destination address used in ip header */
4088 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
4090 } else if (ipv == 6) { /* IPv6 or passthru */
4091 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4092 if ((skb->dst) && (skb->dst->neighbour)) {
4093 memcpy(hdr->hdr.l3.dest_addr,
4094 skb->dst->neighbour->primary_key, 16);
4096 /* fill in destination address used in ip header */
4097 memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
4099 } else { /* passthrough */
4100 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4101 !memcmp(skb->data + sizeof(struct qeth_hdr) +
4102 sizeof(__u16), skb->dev->broadcast, 6)) {
4103 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4105 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4106 skb->dev->broadcast, 6)) { /* broadcast? */
4107 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4110 hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4111 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4112 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4118 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4119 int is_tso, int *next_element_to_fill)
4121 int length = skb->len;
4127 element = *next_element_to_fill;
4129 first_lap = (is_tso == 0 ? 1 : 0);
4131 while (length > 0) {
4132 /* length_here is the remaining amount of data in this page */
4133 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4134 if (length < length_here)
4135 length_here = length;
4137 buffer->element[element].addr = data;
4138 buffer->element[element].length = length_here;
4139 length -= length_here;
4142 buffer->element[element].flags = 0;
4144 buffer->element[element].flags =
4145 SBAL_FLAGS_LAST_FRAG;
4148 buffer->element[element].flags =
4149 SBAL_FLAGS_FIRST_FRAG;
4151 buffer->element[element].flags =
4152 SBAL_FLAGS_MIDDLE_FRAG;
4154 data += length_here;
4158 *next_element_to_fill = element;
4162 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4163 struct qeth_qdio_out_buffer *buf,
4164 struct sk_buff *skb)
4166 struct qdio_buffer *buffer;
4167 struct qeth_hdr_tso *hdr;
4168 int flush_cnt = 0, hdr_len, large_send = 0;
4170 QETH_DBF_TEXT(trace, 6, "qdfillbf");
4172 buffer = buf->buffer;
4173 atomic_inc(&skb->users);
4174 skb_queue_tail(&buf->skb_list, skb);
4176 hdr = (struct qeth_hdr_tso *) skb->data;
4177 /*check first on TSO ....*/
4178 if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4179 int element = buf->next_element_to_fill;
4181 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4182 /*fill first buffer entry only with header information */
4183 buffer->element[element].addr = skb->data;
4184 buffer->element[element].length = hdr_len;
4185 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4186 buf->next_element_to_fill++;
4187 skb->data += hdr_len;
4188 skb->len -= hdr_len;
4191 if (skb_shinfo(skb)->nr_frags == 0)
4192 __qeth_fill_buffer(skb, buffer, large_send,
4193 (int *)&buf->next_element_to_fill);
4195 __qeth_fill_buffer_frag(skb, buffer, large_send,
4196 (int *)&buf->next_element_to_fill);
4198 if (!queue->do_pack) {
4199 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4200 /* set state to PRIMED -> will be flushed */
4201 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4204 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4205 #ifdef CONFIG_QETH_PERF_STATS
4206 queue->card->perf_stats.skbs_sent_pack++;
4208 if (buf->next_element_to_fill >=
4209 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4211 * packed buffer if full -> set state PRIMED
4212 * -> will be flushed
4214 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4222 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4223 struct sk_buff *skb, struct qeth_hdr *hdr,
4224 int elements_needed,
4225 struct qeth_eddp_context *ctx)
4227 struct qeth_qdio_out_buffer *buffer;
4228 int buffers_needed = 0;
4232 QETH_DBF_TEXT(trace, 6, "dosndpfa");
4234 /* spin until we get the queue ... */
4235 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4236 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4237 /* ... now we've got the queue */
4238 index = queue->next_buf_to_fill;
4239 buffer = &queue->bufs[queue->next_buf_to_fill];
4241 * check if buffer is empty to make sure that we do not 'overtake'
4242 * ourselves and try to fill a buffer that is already primed
4244 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4245 card->stats.tx_dropped++;
4246 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4250 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4251 QDIO_MAX_BUFFERS_PER_Q;
4253 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4254 if (buffers_needed < 0) {
4255 card->stats.tx_dropped++;
4256 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4259 queue->next_buf_to_fill =
4260 (queue->next_buf_to_fill + buffers_needed) %
4261 QDIO_MAX_BUFFERS_PER_Q;
4263 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4265 qeth_fill_buffer(queue, buffer, skb);
4266 qeth_flush_buffers(queue, 0, index, 1);
4268 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4269 WARN_ON(buffers_needed != flush_cnt);
4270 qeth_flush_buffers(queue, 0, index, flush_cnt);
4276 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4277 struct sk_buff *skb, struct qeth_hdr *hdr,
4278 int elements_needed, struct qeth_eddp_context *ctx)
4280 struct qeth_qdio_out_buffer *buffer;
4282 int flush_count = 0;
4287 QETH_DBF_TEXT(trace, 6, "dosndpkt");
4289 /* spin until we get the queue ... */
4290 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4291 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4292 start_index = queue->next_buf_to_fill;
4293 buffer = &queue->bufs[queue->next_buf_to_fill];
4295 * check if buffer is empty to make sure that we do not 'overtake'
4296 * ourselves and try to fill a buffer that is already primed
4298 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){
4299 card->stats.tx_dropped++;
4300 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4303 /* check if we need to switch packing state of this queue */
4304 qeth_switch_to_packing_if_needed(queue);
4305 if (queue->do_pack){
4308 /* does packet fit in current buffer? */
4309 if((QETH_MAX_BUFFER_ELEMENTS(card) -
4310 buffer->next_element_to_fill) < elements_needed){
4311 /* ... no -> set state PRIMED */
4312 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4314 queue->next_buf_to_fill =
4315 (queue->next_buf_to_fill + 1) %
4316 QDIO_MAX_BUFFERS_PER_Q;
4317 buffer = &queue->bufs[queue->next_buf_to_fill];
4318 /* we did a step forward, so check buffer state
4320 if (atomic_read(&buffer->state) !=
4321 QETH_QDIO_BUF_EMPTY){
4322 card->stats.tx_dropped++;
4323 qeth_flush_buffers(queue, 0, start_index, flush_count);
4324 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4329 /* check if we have enough elements (including following
4330 * free buffers) to handle eddp context */
4331 if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4332 printk("eddp tx_dropped 1\n");
4333 card->stats.tx_dropped++;
4340 tmp = qeth_fill_buffer(queue, buffer, skb);
4342 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4344 printk("eddp tx_dropped 2\n");
4345 card->stats.tx_dropped++;
4350 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4351 QDIO_MAX_BUFFERS_PER_Q;
4355 qeth_flush_buffers(queue, 0, start_index, flush_count);
4356 else if (!atomic_read(&queue->set_pci_flags_count))
4357 atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
4359 * queue->state will go from LOCKED -> UNLOCKED or from
4360 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4361 * (switch packing state or flush buffer to get another pci flag out).
4362 * In that case we will enter this loop
4364 while (atomic_dec_return(&queue->state)){
4366 start_index = queue->next_buf_to_fill;
4367 /* check if we can go back to non-packing state */
4368 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4370 * check if we need to flush a packing buffer to get a pci
4371 * flag out on the queue
4373 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4374 flush_count += qeth_flush_buffers_on_no_pci(queue);
4376 qeth_flush_buffers(queue, 0, start_index, flush_count);
4378 /* at this point the queue is UNLOCKED again */
4379 #ifdef CONFIG_QETH_PERF_STATS
4381 queue->card->perf_stats.bufs_sent_pack += flush_count;
4382 #endif /* CONFIG_QETH_PERF_STATS */
4388 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4389 struct sk_buff *skb, int elems)
4391 int elements_needed = 0;
4393 if (skb_shinfo(skb)->nr_frags > 0) {
4394 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4396 if (elements_needed == 0 )
4397 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4398 + skb->len) >> PAGE_SHIFT);
4399 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4400 PRINT_ERR("qeth_do_send_packet: invalid size of "
4401 "IP packet (Number=%d / Length=%d). Discarded.\n",
4402 (elements_needed+elems), skb->len);
4405 return elements_needed;
4409 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4413 struct qeth_qdio_out_q *queue;
4414 struct qeth_hdr *hdr = NULL;
4415 int elements_needed = 0;
4416 enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4417 struct qeth_eddp_context *ctx = NULL;
4418 int tx_bytes = skb->len;
4419 unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
4420 unsigned short tso_size = skb_shinfo(skb)->gso_size;
4423 QETH_DBF_TEXT(trace, 6, "sendpkt");
4425 if (!card->options.layer2) {
4426 ipv = qeth_get_ip_version(skb);
4427 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4428 if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) {
4429 card->stats.tx_dropped++;
4430 dev_kfree_skb_irq(skb);
4433 if(card->dev->type == ARPHRD_IEEE802_TR){
4434 skb_pull(skb, QETH_FAKE_LL_LEN_TR);
4436 skb_pull(skb, QETH_FAKE_LL_LEN_ETH);
4440 if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4441 (skb->protocol == htons(ETH_P_IPV6))) {
4442 dev_kfree_skb_any(skb);
4445 cast_type = qeth_get_cast_type(card, skb);
4446 if ((cast_type == RTN_BROADCAST) &&
4447 (card->info.broadcast_capable == 0)){
4448 card->stats.tx_dropped++;
4449 card->stats.tx_errors++;
4450 dev_kfree_skb_any(skb);
4451 return NETDEV_TX_OK;
4453 queue = card->qdio.out_qs
4454 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4456 if (skb_shinfo(skb)->gso_size)
4457 large_send = card->options.large_send;
4459 /*are we able to do TSO ? If so ,prepare and send it from here */
4460 if ((large_send == QETH_LARGE_SEND_TSO) &&
4461 (cast_type == RTN_UNSPEC)) {
4462 rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type);
4464 card->stats.tx_dropped++;
4465 card->stats.tx_errors++;
4466 dev_kfree_skb_any(skb);
4467 return NETDEV_TX_OK;
4471 if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) {
4472 QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc);
4475 if (card->info.type != QETH_CARD_TYPE_OSN)
4476 qeth_fill_header(card, hdr, skb, ipv, cast_type);
4479 if (large_send == QETH_LARGE_SEND_EDDP) {
4480 ctx = qeth_eddp_create_context(card, skb, hdr);
4482 PRINT_WARN("could not create eddp context\n");
4486 int elems = qeth_get_elements_no(card,(void*) hdr, skb,
4490 elements_needed += elems;
4493 if (card->info.type != QETH_CARD_TYPE_IQD)
4494 rc = qeth_do_send_packet(card, queue, skb, hdr,
4495 elements_needed, ctx);
4497 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
4498 elements_needed, ctx);
4500 card->stats.tx_packets++;
4501 card->stats.tx_bytes += tx_bytes;
4502 #ifdef CONFIG_QETH_PERF_STATS
4504 !(large_send == QETH_LARGE_SEND_NO)) {
4505 card->perf_stats.large_send_bytes += tx_bytes;
4506 card->perf_stats.large_send_cnt++;
4509 card->perf_stats.sg_skbs_sent++;
4510 /* nr_frags + skb->data */
4511 card->perf_stats.sg_frags_sent +=
4514 #endif /* CONFIG_QETH_PERF_STATS */
4517 /* drop creator's reference */
4518 qeth_eddp_put_context(ctx);
4519 /* free skb; it's not referenced by a buffer */
4521 dev_kfree_skb_any(skb);
4528 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4530 struct qeth_card *card = (struct qeth_card *) dev->priv;
4534 case MII_BMCR: /* Basic mode control register */
4536 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4537 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4538 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4539 rc |= BMCR_SPEED100;
4541 case MII_BMSR: /* Basic mode status register */
4542 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4543 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4546 case MII_PHYSID1: /* PHYS ID 1 */
4547 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4549 rc = (rc >> 5) & 0xFFFF;
4551 case MII_PHYSID2: /* PHYS ID 2 */
4552 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4554 case MII_ADVERTISE: /* Advertisement control reg */
4557 case MII_LPA: /* Link partner ability reg */
4558 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4559 LPA_100BASE4 | LPA_LPACK;
4561 case MII_EXPANSION: /* Expansion register */
4563 case MII_DCOUNTER: /* disconnect counter */
4565 case MII_FCSCOUNTER: /* false carrier counter */
4567 case MII_NWAYTEST: /* N-way auto-neg test register */
4569 case MII_RERRCOUNTER: /* rx error counter */
4570 rc = card->stats.rx_errors;
4572 case MII_SREVISION: /* silicon revision */
4574 case MII_RESV1: /* reserved 1 */
4576 case MII_LBRERROR: /* loopback, rx, bypass error */
4578 case MII_PHYADDR: /* physical address */
4580 case MII_RESV2: /* reserved 2 */
4582 case MII_TPISTATUS: /* TPI status for 10mbps */
4584 case MII_NCONFIG: /* network interface config */
4593 static inline const char *
4594 qeth_arp_get_error_cause(int *rc)
4597 case QETH_IPA_ARP_RC_FAILED:
4599 return "operation failed";
4600 case QETH_IPA_ARP_RC_NOTSUPP:
4602 return "operation not supported";
4603 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4605 return "argument out of range";
4606 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4608 return "query operation not supported";
4609 case QETH_IPA_ARP_RC_Q_NO_DATA:
4611 return "no query data available";
4613 return "unknown error";
4618 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4622 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4627 QETH_DBF_TEXT(trace,3,"arpstnoe");
4630 * currently GuestLAN only supports the ARP assist function
4631 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4632 * thus we say EOPNOTSUPP for this ARP function
4634 if (card->info.guestlan)
4636 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4637 PRINT_WARN("ARP processing not supported "
4638 "on %s!\n", QETH_CARD_IFNAME(card));
4641 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4642 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4646 PRINT_WARN("Could not set number of ARP entries on %s: "
4648 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4655 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4656 struct qeth_arp_query_data *qdata,
4657 int entry_size, int uentry_size)
4663 entry_ptr = (char *)&qdata->data;
4664 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4665 for (i = 0; i < qdata->no_entries; ++i){
4666 /* strip off 32 bytes "media specific information" */
4667 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4668 entry_ptr += entry_size;
4669 uentry_ptr += uentry_size;
4674 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4677 struct qeth_ipa_cmd *cmd;
4678 struct qeth_arp_query_data *qdata;
4679 struct qeth_arp_query_info *qinfo;
4684 QETH_DBF_TEXT(trace,4,"arpquecb");
4686 qinfo = (struct qeth_arp_query_info *) reply->param;
4687 cmd = (struct qeth_ipa_cmd *) data;
4688 if (cmd->hdr.return_code) {
4689 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4692 if (cmd->data.setassparms.hdr.return_code) {
4693 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4694 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4697 qdata = &cmd->data.setassparms.data.query_arp;
4698 switch(qdata->reply_bits){
4700 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4701 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4702 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4705 /* fall through to default */
4707 /* tr is the same as eth -> entry7 */
4708 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4709 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4710 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4713 /* check if there is enough room in userspace */
4714 if ((qinfo->udata_len - qinfo->udata_offset) <
4715 qdata->no_entries * uentry_size){
4716 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4717 cmd->hdr.return_code = -ENOMEM;
4718 PRINT_WARN("query ARP user space buffer is too small for "
4719 "the returned number of ARP entries. "
4720 "Aborting query!\n");
4723 QETH_DBF_TEXT_(trace, 4, "anore%i",
4724 cmd->data.setassparms.hdr.number_of_replies);
4725 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4726 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4728 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4729 /* strip off "media specific information" */
4730 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4733 /*copy entries to user buffer*/
4734 memcpy(qinfo->udata + qinfo->udata_offset,
4735 (char *)&qdata->data, qdata->no_entries*uentry_size);
4737 qinfo->no_entries += qdata->no_entries;
4738 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4739 /* check if all replies received ... */
4740 if (cmd->data.setassparms.hdr.seq_no <
4741 cmd->data.setassparms.hdr.number_of_replies)
4743 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4744 /* keep STRIP_ENTRIES flag so the user program can distinguish
4745 * stripped entries from normal ones */
4746 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4747 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4748 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4752 memcpy(qinfo->udata, &i, 4);
4757 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4758 int len, int (*reply_cb)(struct qeth_card *,
4759 struct qeth_reply *,
4763 QETH_DBF_TEXT(trace,4,"sendarp");
4765 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4766 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4767 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4768 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4769 reply_cb, reply_param);
4773 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4774 int len, int (*reply_cb)(struct qeth_card *,
4775 struct qeth_reply *,
4781 QETH_DBF_TEXT(trace,4,"sendsnmp");
4783 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4784 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4785 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4786 /* adjust PDU length fields in IPA_PDU_HEADER */
4787 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4789 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4790 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4791 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4792 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4793 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4794 reply_cb, reply_param);
4797 static struct qeth_cmd_buffer *
4798 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4799 __u16, __u16, enum qeth_prot_versions);
4801 qeth_arp_query(struct qeth_card *card, char *udata)
4803 struct qeth_cmd_buffer *iob;
4804 struct qeth_arp_query_info qinfo = {0, };
4808 QETH_DBF_TEXT(trace,3,"arpquery");
4810 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4811 IPA_ARP_PROCESSING)) {
4812 PRINT_WARN("ARP processing not supported "
4813 "on %s!\n", QETH_CARD_IFNAME(card));
4816 /* get size of userspace buffer and mask_bits -> 6 bytes */
4817 if (copy_from_user(&qinfo, udata, 6))
4819 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
4821 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4822 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4823 IPA_CMD_ASS_ARP_QUERY_INFO,
4824 sizeof(int),QETH_PROT_IPV4);
4826 rc = qeth_send_ipa_arp_cmd(card, iob,
4827 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4828 qeth_arp_query_cb, (void *)&qinfo);
4831 PRINT_WARN("Error while querying ARP cache on %s: %s "
4833 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4835 copy_to_user(udata, qinfo.udata, 4);
4837 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4844 * SNMP command callback
4847 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4848 unsigned long sdata)
4850 struct qeth_ipa_cmd *cmd;
4851 struct qeth_arp_query_info *qinfo;
4852 struct qeth_snmp_cmd *snmp;
4853 unsigned char *data;
4856 QETH_DBF_TEXT(trace,3,"snpcmdcb");
4858 cmd = (struct qeth_ipa_cmd *) sdata;
4859 data = (unsigned char *)((char *)cmd - reply->offset);
4860 qinfo = (struct qeth_arp_query_info *) reply->param;
4861 snmp = &cmd->data.setadapterparms.data.snmp;
4863 if (cmd->hdr.return_code) {
4864 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4867 if (cmd->data.setadapterparms.hdr.return_code) {
4868 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4869 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4872 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4873 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4874 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4876 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4878 /* check if there is enough room in userspace */
4879 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4880 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4881 cmd->hdr.return_code = -ENOMEM;
4884 QETH_DBF_TEXT_(trace, 4, "snore%i",
4885 cmd->data.setadapterparms.hdr.used_total);
4886 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4887 /*copy entries to user buffer*/
4888 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4889 memcpy(qinfo->udata + qinfo->udata_offset,
4891 data_len + offsetof(struct qeth_snmp_cmd,data));
4892 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4894 memcpy(qinfo->udata + qinfo->udata_offset,
4895 (char *)&snmp->request, data_len);
4897 qinfo->udata_offset += data_len;
4898 /* check if all replies received ... */
4899 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4900 cmd->data.setadapterparms.hdr.used_total);
4901 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4902 cmd->data.setadapterparms.hdr.seq_no);
4903 if (cmd->data.setadapterparms.hdr.seq_no <
4904 cmd->data.setadapterparms.hdr.used_total)
4909 static struct qeth_cmd_buffer *
4910 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4911 enum qeth_prot_versions );
4913 static struct qeth_cmd_buffer *
4914 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4916 struct qeth_cmd_buffer *iob;
4917 struct qeth_ipa_cmd *cmd;
4919 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4921 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4922 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4923 cmd->data.setadapterparms.hdr.command_code = command;
4924 cmd->data.setadapterparms.hdr.used_total = 1;
4925 cmd->data.setadapterparms.hdr.seq_no = 1;
4931 * function to send SNMP commands to OSA-E card
4934 qeth_snmp_command(struct qeth_card *card, char *udata)
4936 struct qeth_cmd_buffer *iob;
4937 struct qeth_ipa_cmd *cmd;
4938 struct qeth_snmp_ureq *ureq;
4940 struct qeth_arp_query_info qinfo = {0, };
4943 QETH_DBF_TEXT(trace,3,"snmpcmd");
4945 if (card->info.guestlan)
4948 if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4949 (!card->options.layer2) ) {
4950 PRINT_WARN("SNMP Query MIBS not supported "
4951 "on %s!\n", QETH_CARD_IFNAME(card));
4954 /* skip 4 bytes (data_len struct member) to get req_len */
4955 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4957 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4959 QETH_DBF_TEXT(trace, 2, "snmpnome");
4962 if (copy_from_user(ureq, udata,
4963 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4967 qinfo.udata_len = ureq->hdr.data_len;
4968 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
4972 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4974 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4975 QETH_SNMP_SETADP_CMDLENGTH + req_len);
4976 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4977 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4978 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4979 qeth_snmp_command_cb, (void *)&qinfo);
4981 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4982 QETH_CARD_IFNAME(card), rc);
4984 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4992 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
4996 qeth_default_setadapterparms_cb(struct qeth_card *card,
4997 struct qeth_reply *reply,
4998 unsigned long data);
5000 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5003 (struct qeth_card *, struct qeth_reply *, unsigned long),
5007 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5009 struct qeth_cmd_buffer *iob;
5014 QETH_DBF_TEXT(trace,3,"arpadent");
5017 * currently GuestLAN only supports the ARP assist function
5018 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5019 * thus we say EOPNOTSUPP for this ARP function
5021 if (card->info.guestlan)
5023 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5024 PRINT_WARN("ARP processing not supported "
5025 "on %s!\n", QETH_CARD_IFNAME(card));
5029 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5030 IPA_CMD_ASS_ARP_ADD_ENTRY,
5031 sizeof(struct qeth_arp_cache_entry),
5033 rc = qeth_send_setassparms(card, iob,
5034 sizeof(struct qeth_arp_cache_entry),
5035 (unsigned long) entry,
5036 qeth_default_setassparms_cb, NULL);
5039 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5040 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5042 buf, QETH_CARD_IFNAME(card),
5043 qeth_arp_get_error_cause(&rc), tmp, tmp);
5049 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5051 struct qeth_cmd_buffer *iob;
5052 char buf[16] = {0, };
5056 QETH_DBF_TEXT(trace,3,"arprment");
5059 * currently GuestLAN only supports the ARP assist function
5060 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5061 * thus we say EOPNOTSUPP for this ARP function
5063 if (card->info.guestlan)
5065 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5066 PRINT_WARN("ARP processing not supported "
5067 "on %s!\n", QETH_CARD_IFNAME(card));
5070 memcpy(buf, entry, 12);
5071 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5072 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5075 rc = qeth_send_setassparms(card, iob,
5076 12, (unsigned long)buf,
5077 qeth_default_setassparms_cb, NULL);
5081 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5082 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5084 buf, QETH_CARD_IFNAME(card),
5085 qeth_arp_get_error_cause(&rc), tmp, tmp);
5091 qeth_arp_flush_cache(struct qeth_card *card)
5096 QETH_DBF_TEXT(trace,3,"arpflush");
5099 * currently GuestLAN only supports the ARP assist function
5100 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5101 * thus we say EOPNOTSUPP for this ARP function
5103 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5105 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5106 PRINT_WARN("ARP processing not supported "
5107 "on %s!\n", QETH_CARD_IFNAME(card));
5110 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5111 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5114 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5115 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5122 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5124 struct qeth_card *card = (struct qeth_card *)dev->priv;
5125 struct qeth_arp_cache_entry arp_entry;
5126 struct mii_ioctl_data *mii_data;
5132 if ((card->state != CARD_STATE_UP) &&
5133 (card->state != CARD_STATE_SOFTSETUP))
5136 if (card->info.type == QETH_CARD_TYPE_OSN)
5140 case SIOC_QETH_ARP_SET_NO_ENTRIES:
5141 if ( !capable(CAP_NET_ADMIN) ||
5142 (card->options.layer2) ) {
5146 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5148 case SIOC_QETH_ARP_QUERY_INFO:
5149 if ( !capable(CAP_NET_ADMIN) ||
5150 (card->options.layer2) ) {
5154 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5156 case SIOC_QETH_ARP_ADD_ENTRY:
5157 if ( !capable(CAP_NET_ADMIN) ||
5158 (card->options.layer2) ) {
5162 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5163 sizeof(struct qeth_arp_cache_entry)))
5166 rc = qeth_arp_add_entry(card, &arp_entry);
5168 case SIOC_QETH_ARP_REMOVE_ENTRY:
5169 if ( !capable(CAP_NET_ADMIN) ||
5170 (card->options.layer2) ) {
5174 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5175 sizeof(struct qeth_arp_cache_entry)))
5178 rc = qeth_arp_remove_entry(card, &arp_entry);
5180 case SIOC_QETH_ARP_FLUSH_CACHE:
5181 if ( !capable(CAP_NET_ADMIN) ||
5182 (card->options.layer2) ) {
5186 rc = qeth_arp_flush_cache(card);
5188 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5189 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5191 case SIOC_QETH_GET_CARD_TYPE:
5192 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5193 !card->info.guestlan)
5198 mii_data = if_mii(rq);
5199 mii_data->phy_id = 0;
5202 mii_data = if_mii(rq);
5203 if (mii_data->phy_id != 0)
5206 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5213 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5217 static struct net_device_stats *
5218 qeth_get_stats(struct net_device *dev)
5220 struct qeth_card *card;
5222 card = (struct qeth_card *) (dev->priv);
5224 QETH_DBF_TEXT(trace,5,"getstat");
5226 return &card->stats;
5230 qeth_change_mtu(struct net_device *dev, int new_mtu)
5232 struct qeth_card *card;
5235 card = (struct qeth_card *) (dev->priv);
5237 QETH_DBF_TEXT(trace,4,"chgmtu");
5238 sprintf(dbf_text, "%8x", new_mtu);
5239 QETH_DBF_TEXT(trace,4,dbf_text);
5243 if (new_mtu > 65535)
5245 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5246 (!qeth_mtu_is_valid(card, new_mtu)))
5252 #ifdef CONFIG_QETH_VLAN
5254 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5256 struct qeth_card *card;
5257 unsigned long flags;
5259 QETH_DBF_TEXT(trace,4,"vlanreg");
5261 card = (struct qeth_card *) dev->priv;
5262 spin_lock_irqsave(&card->vlanlock, flags);
5263 card->vlangrp = grp;
5264 spin_unlock_irqrestore(&card->vlanlock, flags);
5268 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5272 struct sk_buff *skb;
5273 struct sk_buff_head tmp_list;
5275 skb_queue_head_init(&tmp_list);
5276 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5277 while ((skb = skb_dequeue(&buf->skb_list))){
5278 if (vlan_tx_tag_present(skb) &&
5279 (vlan_tx_tag_get(skb) == vid)) {
5280 atomic_dec(&skb->users);
5283 skb_queue_tail(&tmp_list, skb);
5286 while ((skb = skb_dequeue(&tmp_list)))
5287 skb_queue_tail(&buf->skb_list, skb);
5291 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5295 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5296 for (i = 0; i < card->qdio.no_out_queues; ++i){
5297 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5298 qeth_free_vlan_buffer(card, &card->qdio.
5299 out_qs[i]->bufs[j], vid);
5304 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5306 struct in_device *in_dev;
5307 struct in_ifaddr *ifa;
5308 struct qeth_ipaddr *addr;
5310 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5313 in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
5316 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5317 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5319 addr->u.a4.addr = ifa->ifa_address;
5320 addr->u.a4.mask = ifa->ifa_mask;
5321 addr->type = QETH_IP_TYPE_NORMAL;
5322 if (!qeth_delete_ip(card, addr))
5331 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5333 #ifdef CONFIG_QETH_IPV6
5334 struct inet6_dev *in6_dev;
5335 struct inet6_ifaddr *ifa;
5336 struct qeth_ipaddr *addr;
5338 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5340 in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
5343 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5344 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5346 memcpy(&addr->u.a6.addr, &ifa->addr,
5347 sizeof(struct in6_addr));
5348 addr->u.a6.pfxlen = ifa->prefix_len;
5349 addr->type = QETH_IP_TYPE_NORMAL;
5350 if (!qeth_delete_ip(card, addr))
5354 in6_dev_put(in6_dev);
5355 #endif /* CONFIG_QETH_IPV6 */
5359 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5361 if (card->options.layer2 || !card->vlangrp)
5363 qeth_free_vlan_addresses4(card, vid);
5364 qeth_free_vlan_addresses6(card, vid);
5368 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5369 struct qeth_reply *reply,
5372 struct qeth_ipa_cmd *cmd;
5374 QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5375 cmd = (struct qeth_ipa_cmd *) data;
5376 if (cmd->hdr.return_code) {
5377 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5378 "Continuing\n",cmd->data.setdelvlan.vlan_id,
5379 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5380 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5381 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5382 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5388 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5389 enum qeth_ipa_cmds ipacmd)
5391 struct qeth_ipa_cmd *cmd;
5392 struct qeth_cmd_buffer *iob;
5394 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5395 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5396 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5397 cmd->data.setdelvlan.vlan_id = i;
5398 return qeth_send_ipa_cmd(card, iob,
5399 qeth_layer2_send_setdelvlan_cb, NULL);
5403 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5407 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5411 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5412 if (card->vlangrp->vlan_devices[i] == NULL)
5415 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5417 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5421 /*add_vid is layer 2 used only ....*/
5423 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5425 struct qeth_card *card;
5427 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5429 card = (struct qeth_card *) dev->priv;
5430 if (!card->options.layer2)
5432 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5435 /*... kill_vid used for both modes*/
5437 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5439 struct qeth_card *card;
5440 unsigned long flags;
5442 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5444 card = (struct qeth_card *) dev->priv;
5445 /* free all skbs for the vlan device */
5446 qeth_free_vlan_skbs(card, vid);
5447 spin_lock_irqsave(&card->vlanlock, flags);
5448 /* unregister IP addresses of vlan device */
5449 qeth_free_vlan_addresses(card, vid);
5451 card->vlangrp->vlan_devices[vid] = NULL;
5452 spin_unlock_irqrestore(&card->vlanlock, flags);
5453 if (card->options.layer2)
5454 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5455 qeth_set_multicast_list(card->dev);
5459 * Examine hardware response to SET_PROMISC_MODE
5462 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5463 struct qeth_reply *reply,
5466 struct qeth_ipa_cmd *cmd;
5467 struct qeth_ipacmd_setadpparms *setparms;
5469 QETH_DBF_TEXT(trace,4,"prmadpcb");
5471 cmd = (struct qeth_ipa_cmd *) data;
5472 setparms = &(cmd->data.setadapterparms);
5474 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5475 if (cmd->hdr.return_code) {
5476 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5477 setparms->data.mode = SET_PROMISC_MODE_OFF;
5479 card->info.promisc_mode = setparms->data.mode;
5483 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5486 qeth_setadp_promisc_mode(struct qeth_card *card)
5488 enum qeth_ipa_promisc_modes mode;
5489 struct net_device *dev = card->dev;
5490 struct qeth_cmd_buffer *iob;
5491 struct qeth_ipa_cmd *cmd;
5493 QETH_DBF_TEXT(trace, 4, "setprom");
5495 if (((dev->flags & IFF_PROMISC) &&
5496 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5497 (!(dev->flags & IFF_PROMISC) &&
5498 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5500 mode = SET_PROMISC_MODE_OFF;
5501 if (dev->flags & IFF_PROMISC)
5502 mode = SET_PROMISC_MODE_ON;
5503 QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5505 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5506 sizeof(struct qeth_ipacmd_setadpparms));
5507 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5508 cmd->data.setadapterparms.data.mode = mode;
5509 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5513 * set multicast address on card
5516 qeth_set_multicast_list(struct net_device *dev)
5518 struct qeth_card *card = (struct qeth_card *) dev->priv;
5520 if (card->info.type == QETH_CARD_TYPE_OSN)
5523 QETH_DBF_TEXT(trace, 3, "setmulti");
5524 qeth_delete_mc_addresses(card);
5525 if (card->options.layer2) {
5526 qeth_layer2_add_multicast(card);
5529 qeth_add_multicast_ipv4(card);
5530 #ifdef CONFIG_QETH_IPV6
5531 qeth_add_multicast_ipv6(card);
5534 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5535 schedule_work(&card->kernel_thread_starter);
5536 if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5538 if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
5539 schedule_work(&card->kernel_thread_starter);
5543 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5549 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5551 if (dev->type == ARPHRD_IEEE802_TR)
5552 ip_tr_mc_map(ipm, mac);
5554 ip_eth_mc_map(ipm, mac);
5557 static struct qeth_ipaddr *
5558 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5560 struct qeth_ipaddr *addr;
5562 addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5564 PRINT_WARN("Not enough memory to add address\n");
5567 addr->type = QETH_IP_TYPE_NORMAL;
5573 qeth_osn_assist(struct net_device *dev,
5577 struct qeth_cmd_buffer *iob;
5578 struct qeth_card *card;
5581 QETH_DBF_TEXT(trace, 2, "osnsdmc");
5584 card = (struct qeth_card *)dev->priv;
5587 if ((card->state != CARD_STATE_UP) &&
5588 (card->state != CARD_STATE_SOFTSETUP))
5590 iob = qeth_wait_for_buffer(&card->write);
5591 memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5592 rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5596 static struct net_device *
5597 qeth_netdev_by_devno(unsigned char *read_dev_no)
5599 struct qeth_card *card;
5600 struct net_device *ndev;
5601 unsigned char *readno;
5602 __u16 temp_dev_no, card_dev_no;
5604 unsigned long flags;
5607 memcpy(&temp_dev_no, read_dev_no, 2);
5608 read_lock_irqsave(&qeth_card_list.rwlock, flags);
5609 list_for_each_entry(card, &qeth_card_list.list, list) {
5610 readno = CARD_RDEV_ID(card);
5611 readno += (strlen(readno) - 4);
5612 card_dev_no = simple_strtoul(readno, &endp, 16);
5613 if (card_dev_no == temp_dev_no) {
5618 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5623 qeth_osn_register(unsigned char *read_dev_no,
5624 struct net_device **dev,
5625 int (*assist_cb)(struct net_device *, void *),
5626 int (*data_cb)(struct sk_buff *))
5628 struct qeth_card * card;
5630 QETH_DBF_TEXT(trace, 2, "osnreg");
5631 *dev = qeth_netdev_by_devno(read_dev_no);
5634 card = (struct qeth_card *)(*dev)->priv;
5637 if ((assist_cb == NULL) || (data_cb == NULL))
5639 card->osn_info.assist_cb = assist_cb;
5640 card->osn_info.data_cb = data_cb;
5645 qeth_osn_deregister(struct net_device * dev)
5647 struct qeth_card *card;
5649 QETH_DBF_TEXT(trace, 2, "osndereg");
5652 card = (struct qeth_card *)dev->priv;
5655 card->osn_info.assist_cb = NULL;
5656 card->osn_info.data_cb = NULL;
5661 qeth_delete_mc_addresses(struct qeth_card *card)
5663 struct qeth_ipaddr *iptodo;
5664 unsigned long flags;
5666 QETH_DBF_TEXT(trace,4,"delmc");
5667 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5669 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5672 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5673 spin_lock_irqsave(&card->ip_lock, flags);
5674 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5676 spin_unlock_irqrestore(&card->ip_lock, flags);
5680 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5682 struct qeth_ipaddr *ipm;
5683 struct ip_mc_list *im4;
5684 char buf[MAX_ADDR_LEN];
5686 QETH_DBF_TEXT(trace,4,"addmc");
5687 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5688 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5689 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5692 ipm->u.a4.addr = im4->multiaddr;
5693 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5694 ipm->is_multicast = 1;
5695 if (!qeth_add_ip(card,ipm))
5701 qeth_add_vlan_mc(struct qeth_card *card)
5703 #ifdef CONFIG_QETH_VLAN
5704 struct in_device *in_dev;
5705 struct vlan_group *vg;
5708 QETH_DBF_TEXT(trace,4,"addmcvl");
5709 if ( ((card->options.layer2 == 0) &&
5710 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5711 (card->vlangrp == NULL) )
5715 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5716 if (vg->vlan_devices[i] == NULL ||
5717 !(vg->vlan_devices[i]->flags & IFF_UP))
5719 in_dev = in_dev_get(vg->vlan_devices[i]);
5722 read_lock(&in_dev->mc_list_lock);
5723 qeth_add_mc(card,in_dev);
5724 read_unlock(&in_dev->mc_list_lock);
5731 qeth_add_multicast_ipv4(struct qeth_card *card)
5733 struct in_device *in4_dev;
5735 QETH_DBF_TEXT(trace,4,"chkmcv4");
5736 in4_dev = in_dev_get(card->dev);
5737 if (in4_dev == NULL)
5739 read_lock(&in4_dev->mc_list_lock);
5740 qeth_add_mc(card, in4_dev);
5741 qeth_add_vlan_mc(card);
5742 read_unlock(&in4_dev->mc_list_lock);
5743 in_dev_put(in4_dev);
5747 qeth_layer2_add_multicast(struct qeth_card *card)
5749 struct qeth_ipaddr *ipm;
5750 struct dev_mc_list *dm;
5752 QETH_DBF_TEXT(trace,4,"L2addmc");
5753 for (dm = card->dev->mc_list; dm; dm = dm->next) {
5754 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5757 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5758 ipm->is_multicast = 1;
5759 if (!qeth_add_ip(card, ipm))
5764 #ifdef CONFIG_QETH_IPV6
5766 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5768 struct qeth_ipaddr *ipm;
5769 struct ifmcaddr6 *im6;
5770 char buf[MAX_ADDR_LEN];
5772 QETH_DBF_TEXT(trace,4,"addmc6");
5773 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5774 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5775 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5778 ipm->is_multicast = 1;
5779 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5780 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5781 sizeof(struct in6_addr));
5782 if (!qeth_add_ip(card,ipm))
5788 qeth_add_vlan_mc6(struct qeth_card *card)
5790 #ifdef CONFIG_QETH_VLAN
5791 struct inet6_dev *in_dev;
5792 struct vlan_group *vg;
5795 QETH_DBF_TEXT(trace,4,"admc6vl");
5796 if ( ((card->options.layer2 == 0) &&
5797 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5798 (card->vlangrp == NULL))
5802 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5803 if (vg->vlan_devices[i] == NULL ||
5804 !(vg->vlan_devices[i]->flags & IFF_UP))
5806 in_dev = in6_dev_get(vg->vlan_devices[i]);
5809 read_lock(&in_dev->lock);
5810 qeth_add_mc6(card,in_dev);
5811 read_unlock(&in_dev->lock);
5812 in6_dev_put(in_dev);
5814 #endif /* CONFIG_QETH_VLAN */
5818 qeth_add_multicast_ipv6(struct qeth_card *card)
5820 struct inet6_dev *in6_dev;
5822 QETH_DBF_TEXT(trace,4,"chkmcv6");
5823 if (!qeth_is_supported(card, IPA_IPV6))
5825 in6_dev = in6_dev_get(card->dev);
5826 if (in6_dev == NULL)
5828 read_lock(&in6_dev->lock);
5829 qeth_add_mc6(card, in6_dev);
5830 qeth_add_vlan_mc6(card);
5831 read_unlock(&in6_dev->lock);
5832 in6_dev_put(in6_dev);
5834 #endif /* CONFIG_QETH_IPV6 */
5837 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5838 enum qeth_ipa_cmds ipacmd,
5839 int (*reply_cb) (struct qeth_card *,
5843 struct qeth_ipa_cmd *cmd;
5844 struct qeth_cmd_buffer *iob;
5846 QETH_DBF_TEXT(trace, 2, "L2sdmac");
5847 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5848 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5849 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5850 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5851 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5855 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5856 struct qeth_reply *reply,
5859 struct qeth_ipa_cmd *cmd;
5862 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5863 cmd = (struct qeth_ipa_cmd *) data;
5864 mac = &cmd->data.setdelmac.mac[0];
5865 /* MAC already registered, needed in couple/uncouple case */
5866 if (cmd->hdr.return_code == 0x2005) {
5867 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5868 "already existing on %s \n",
5869 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5870 QETH_CARD_IFNAME(card));
5871 cmd->hdr.return_code = 0;
5873 if (cmd->hdr.return_code)
5874 PRINT_ERR("Could not set group MAC " \
5875 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5876 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5877 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5882 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5884 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5885 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5886 qeth_layer2_send_setgroupmac_cb);
5890 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5891 struct qeth_reply *reply,
5894 struct qeth_ipa_cmd *cmd;
5897 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5898 cmd = (struct qeth_ipa_cmd *) data;
5899 mac = &cmd->data.setdelmac.mac[0];
5900 if (cmd->hdr.return_code)
5901 PRINT_ERR("Could not delete group MAC " \
5902 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5903 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5904 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5909 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5911 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5912 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5913 qeth_layer2_send_delgroupmac_cb);
5917 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5918 struct qeth_reply *reply,
5921 struct qeth_ipa_cmd *cmd;
5923 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5924 cmd = (struct qeth_ipa_cmd *) data;
5925 if (cmd->hdr.return_code) {
5926 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5927 PRINT_WARN("Error in registering MAC address on " \
5928 "device %s: x%x\n", CARD_BUS_ID(card),
5929 cmd->hdr.return_code);
5930 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5931 cmd->hdr.return_code = -EIO;
5933 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5934 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5936 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5937 "successfully registered on device %s\n",
5938 card->dev->dev_addr[0], card->dev->dev_addr[1],
5939 card->dev->dev_addr[2], card->dev->dev_addr[3],
5940 card->dev->dev_addr[4], card->dev->dev_addr[5],
5947 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5949 QETH_DBF_TEXT(trace, 2, "L2Setmac");
5950 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5951 qeth_layer2_send_setmac_cb);
5955 qeth_layer2_send_delmac_cb(struct qeth_card *card,
5956 struct qeth_reply *reply,
5959 struct qeth_ipa_cmd *cmd;
5961 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
5962 cmd = (struct qeth_ipa_cmd *) data;
5963 if (cmd->hdr.return_code) {
5964 PRINT_WARN("Error in deregistering MAC address on " \
5965 "device %s: x%x\n", CARD_BUS_ID(card),
5966 cmd->hdr.return_code);
5967 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5968 cmd->hdr.return_code = -EIO;
5971 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5976 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
5978 QETH_DBF_TEXT(trace, 2, "L2Delmac");
5979 if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
5981 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
5982 qeth_layer2_send_delmac_cb);
5986 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5988 struct sockaddr *addr = p;
5989 struct qeth_card *card;
5992 QETH_DBF_TEXT(trace, 3, "setmac");
5994 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
5995 QETH_DBF_TEXT(trace, 3, "setmcINV");
5998 card = (struct qeth_card *) dev->priv;
6000 if (!card->options.layer2) {
6001 PRINT_WARN("Setting MAC address on %s is not supported "
6002 "in Layer 3 mode.\n", dev->name);
6003 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6006 if (card->info.type == QETH_CARD_TYPE_OSN) {
6007 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6009 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6012 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6013 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6014 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6016 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6021 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6022 __u8 command, enum qeth_prot_versions prot)
6024 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6025 cmd->hdr.command = command;
6026 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6027 cmd->hdr.seqno = card->seqno.ipa;
6028 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6029 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6030 if (card->options.layer2)
6031 cmd->hdr.prim_version_no = 2;
6033 cmd->hdr.prim_version_no = 1;
6034 cmd->hdr.param_count = 1;
6035 cmd->hdr.prot_version = prot;
6036 cmd->hdr.ipa_supported = 0;
6037 cmd->hdr.ipa_enabled = 0;
6040 static struct qeth_cmd_buffer *
6041 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6042 enum qeth_prot_versions prot)
6044 struct qeth_cmd_buffer *iob;
6045 struct qeth_ipa_cmd *cmd;
6047 iob = qeth_wait_for_buffer(&card->write);
6048 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6049 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6055 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6058 struct qeth_cmd_buffer *iob;
6059 struct qeth_ipa_cmd *cmd;
6061 QETH_DBF_TEXT(trace,4,"setdelmc");
6063 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6064 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6065 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6066 if (addr->proto == QETH_PROT_IPV6)
6067 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6068 sizeof(struct in6_addr));
6070 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6072 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6077 qeth_fill_netmask(u8 *netmask, unsigned int len)
6080 for (i=0;i<16;i++) {
6085 netmask[i] = (u8)(0xFF00>>j);
6092 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6093 int ipacmd, unsigned int flags)
6096 struct qeth_cmd_buffer *iob;
6097 struct qeth_ipa_cmd *cmd;
6100 QETH_DBF_TEXT(trace,4,"setdelip");
6101 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6103 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6104 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6105 if (addr->proto == QETH_PROT_IPV6) {
6106 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6107 sizeof(struct in6_addr));
6108 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6109 memcpy(cmd->data.setdelip6.mask, netmask,
6110 sizeof(struct in6_addr));
6111 cmd->data.setdelip6.flags = flags;
6113 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6114 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6115 cmd->data.setdelip4.flags = flags;
6118 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6124 qeth_layer2_register_addr_entry(struct qeth_card *card,
6125 struct qeth_ipaddr *addr)
6127 if (!addr->is_multicast)
6129 QETH_DBF_TEXT(trace, 2, "setgmac");
6130 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6131 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6135 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6136 struct qeth_ipaddr *addr)
6138 if (!addr->is_multicast)
6140 QETH_DBF_TEXT(trace, 2, "delgmac");
6141 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6142 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6146 qeth_layer3_register_addr_entry(struct qeth_card *card,
6147 struct qeth_ipaddr *addr)
6153 if (addr->proto == QETH_PROT_IPV4) {
6154 QETH_DBF_TEXT(trace, 2,"setaddr4");
6155 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6156 } else if (addr->proto == QETH_PROT_IPV6) {
6157 QETH_DBF_TEXT(trace, 2, "setaddr6");
6158 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6159 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6161 QETH_DBF_TEXT(trace, 2, "setaddr?");
6162 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6165 if (addr->is_multicast)
6166 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6168 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6171 QETH_DBF_TEXT(trace, 2, "failed");
6172 } while ((--cnt > 0) && rc);
6174 QETH_DBF_TEXT(trace, 2, "FAILED");
6175 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6176 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6183 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6184 struct qeth_ipaddr *addr)
6189 if (addr->proto == QETH_PROT_IPV4) {
6190 QETH_DBF_TEXT(trace, 2,"deladdr4");
6191 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6192 } else if (addr->proto == QETH_PROT_IPV6) {
6193 QETH_DBF_TEXT(trace, 2, "deladdr6");
6194 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6195 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6197 QETH_DBF_TEXT(trace, 2, "deladdr?");
6198 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6200 if (addr->is_multicast)
6201 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6203 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6206 QETH_DBF_TEXT(trace, 2, "failed");
6207 /* TODO: re-activate this warning as soon as we have a
6209 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6210 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6218 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6220 if (card->options.layer2)
6221 return qeth_layer2_register_addr_entry(card, addr);
6223 return qeth_layer3_register_addr_entry(card, addr);
6227 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6229 if (card->options.layer2)
6230 return qeth_layer2_deregister_addr_entry(card, addr);
6232 return qeth_layer3_deregister_addr_entry(card, addr);
6236 qeth_ethtool_get_tx_csum(struct net_device *dev)
6238 /* We may need to say that we support tx csum offload if
6239 * we do EDDP or TSO. There are discussions going on to
6240 * enforce rules in the stack and in ethtool that make
6241 * SG and TSO depend on HW_CSUM. At the moment there are
6243 * If we say yes here, we have to checksum outbound packets
6249 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6255 qeth_ethtool_get_rx_csum(struct net_device *dev)
6257 struct qeth_card *card = (struct qeth_card *)dev->priv;
6259 return (card->options.checksum_type == HW_CHECKSUMMING);
6263 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6265 struct qeth_card *card = (struct qeth_card *)dev->priv;
6267 if ((card->state != CARD_STATE_DOWN) &&
6268 (card->state != CARD_STATE_RECOVER))
6271 card->options.checksum_type = HW_CHECKSUMMING;
6273 card->options.checksum_type = SW_CHECKSUMMING;
6278 qeth_ethtool_get_sg(struct net_device *dev)
6280 struct qeth_card *card = (struct qeth_card *)dev->priv;
6282 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6283 (dev->features & NETIF_F_SG));
6287 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6289 struct qeth_card *card = (struct qeth_card *)dev->priv;
6292 if (card->options.large_send != QETH_LARGE_SEND_NO)
6293 dev->features |= NETIF_F_SG;
6295 dev->features &= ~NETIF_F_SG;
6299 dev->features &= ~NETIF_F_SG;
6304 qeth_ethtool_get_tso(struct net_device *dev)
6306 struct qeth_card *card = (struct qeth_card *)dev->priv;
6308 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6309 (dev->features & NETIF_F_TSO));
6313 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6315 struct qeth_card *card = (struct qeth_card *)dev->priv;
6318 if (card->options.large_send != QETH_LARGE_SEND_NO)
6319 dev->features |= NETIF_F_TSO;
6321 dev->features &= ~NETIF_F_TSO;
6325 dev->features &= ~NETIF_F_TSO;
6329 static struct ethtool_ops qeth_ethtool_ops = {
6330 .get_tx_csum = qeth_ethtool_get_tx_csum,
6331 .set_tx_csum = qeth_ethtool_set_tx_csum,
6332 .get_rx_csum = qeth_ethtool_get_rx_csum,
6333 .set_rx_csum = qeth_ethtool_set_rx_csum,
6334 .get_sg = qeth_ethtool_get_sg,
6335 .set_sg = qeth_ethtool_set_sg,
6336 .get_tso = qeth_ethtool_get_tso,
6337 .set_tso = qeth_ethtool_set_tso,
6341 qeth_netdev_init(struct net_device *dev)
6343 struct qeth_card *card;
6345 card = (struct qeth_card *) dev->priv;
6347 QETH_DBF_TEXT(trace,3,"initdev");
6349 dev->tx_timeout = &qeth_tx_timeout;
6350 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6351 dev->open = qeth_open;
6352 dev->stop = qeth_stop;
6353 dev->hard_start_xmit = qeth_hard_start_xmit;
6354 dev->do_ioctl = qeth_do_ioctl;
6355 dev->get_stats = qeth_get_stats;
6356 dev->change_mtu = qeth_change_mtu;
6357 dev->neigh_setup = qeth_neigh_setup;
6358 dev->set_multicast_list = qeth_set_multicast_list;
6359 #ifdef CONFIG_QETH_VLAN
6360 dev->vlan_rx_register = qeth_vlan_rx_register;
6361 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6362 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6364 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6365 dev->rebuild_header = NULL;
6366 dev->hard_header = NULL;
6367 dev->header_cache_update = NULL;
6368 dev->hard_header_cache = NULL;
6370 #ifdef CONFIG_QETH_IPV6
6371 /*IPv6 address autoconfiguration stuff*/
6372 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6373 card->dev->dev_id = card->info.unique_id & 0xffff;
6375 if (card->options.fake_ll &&
6376 (qeth_get_netdev_flags(card) & IFF_NOARP))
6377 dev->hard_header = qeth_fake_header;
6378 dev->hard_header_parse = NULL;
6379 dev->set_mac_address = qeth_layer2_set_mac_address;
6380 dev->flags |= qeth_get_netdev_flags(card);
6381 if ((card->options.fake_broadcast) ||
6382 (card->info.broadcast_capable))
6383 dev->flags |= IFF_BROADCAST;
6384 dev->hard_header_len =
6385 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6386 dev->addr_len = OSA_ADDR_LEN;
6387 dev->mtu = card->info.initial_mtu;
6388 if (card->info.type != QETH_CARD_TYPE_OSN)
6389 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6390 SET_MODULE_OWNER(dev);
6395 qeth_init_func_level(struct qeth_card *card)
6397 if (card->ipato.enabled) {
6398 if (card->info.type == QETH_CARD_TYPE_IQD)
6399 card->info.func_level =
6400 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6402 card->info.func_level =
6403 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6405 if (card->info.type == QETH_CARD_TYPE_IQD)
6406 /*FIXME:why do we have same values for dis and ena for osae??? */
6407 card->info.func_level =
6408 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6410 card->info.func_level =
6411 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6416 * hardsetup card, initialize MPC and QDIO stuff
6419 qeth_hardsetup_card(struct qeth_card *card)
6424 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6428 PRINT_WARN("Retrying to do IDX activates.\n");
6429 ccw_device_set_offline(CARD_DDEV(card));
6430 ccw_device_set_offline(CARD_WDEV(card));
6431 ccw_device_set_offline(CARD_RDEV(card));
6432 ccw_device_set_online(CARD_RDEV(card));
6433 ccw_device_set_online(CARD_WDEV(card));
6434 ccw_device_set_online(CARD_DDEV(card));
6436 rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6437 if (rc == -ERESTARTSYS) {
6438 QETH_DBF_TEXT(setup, 2, "break1");
6441 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6447 if ((rc = qeth_get_unitaddr(card))){
6448 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6451 qeth_init_tokens(card);
6452 qeth_init_func_level(card);
6453 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6454 if (rc == -ERESTARTSYS) {
6455 QETH_DBF_TEXT(setup, 2, "break2");
6458 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6464 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6465 if (rc == -ERESTARTSYS) {
6466 QETH_DBF_TEXT(setup, 2, "break3");
6469 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6475 if ((rc = qeth_mpc_initialize(card))){
6476 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6479 /*network device will be recovered*/
6481 card->dev->hard_header = card->orig_hard_header;
6482 if (card->options.fake_ll &&
6483 (qeth_get_netdev_flags(card) & IFF_NOARP))
6484 card->dev->hard_header = qeth_fake_header;
6487 /* at first set_online allocate netdev */
6488 card->dev = qeth_get_netdevice(card->info.type,
6489 card->info.link_type);
6491 qeth_qdio_clear_card(card, card->info.type !=
6492 QETH_CARD_TYPE_IQD);
6494 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6497 card->dev->priv = card;
6498 card->orig_hard_header = card->dev->hard_header;
6499 card->dev->type = qeth_get_arphdr_type(card->info.type,
6500 card->info.link_type);
6501 card->dev->init = qeth_netdev_init;
6504 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6509 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6512 struct qeth_ipa_cmd *cmd;
6514 QETH_DBF_TEXT(trace,4,"defadpcb");
6516 cmd = (struct qeth_ipa_cmd *) data;
6517 if (cmd->hdr.return_code == 0){
6518 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6519 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6520 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6521 #ifdef CONFIG_QETH_IPV6
6522 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6523 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6526 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6527 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6528 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6529 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6535 qeth_default_setadapterparms_cb(struct qeth_card *card,
6536 struct qeth_reply *reply,
6539 struct qeth_ipa_cmd *cmd;
6541 QETH_DBF_TEXT(trace,4,"defadpcb");
6543 cmd = (struct qeth_ipa_cmd *) data;
6544 if (cmd->hdr.return_code == 0)
6545 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6552 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6555 struct qeth_ipa_cmd *cmd;
6557 QETH_DBF_TEXT(trace,3,"quyadpcb");
6559 cmd = (struct qeth_ipa_cmd *) data;
6560 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6561 card->info.link_type =
6562 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6563 card->options.adp.supported_funcs =
6564 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6565 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6569 qeth_query_setadapterparms(struct qeth_card *card)
6572 struct qeth_cmd_buffer *iob;
6574 QETH_DBF_TEXT(trace,3,"queryadp");
6575 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6576 sizeof(struct qeth_ipacmd_setadpparms));
6577 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6582 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6583 struct qeth_reply *reply,
6586 struct qeth_ipa_cmd *cmd;
6588 QETH_DBF_TEXT(trace,4,"chgmaccb");
6590 cmd = (struct qeth_ipa_cmd *) data;
6591 if (!card->options.layer2 || card->info.guestlan ||
6592 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6593 memcpy(card->dev->dev_addr,
6594 &cmd->data.setadapterparms.data.change_addr.addr,
6596 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6598 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6603 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6606 struct qeth_cmd_buffer *iob;
6607 struct qeth_ipa_cmd *cmd;
6609 QETH_DBF_TEXT(trace,4,"chgmac");
6611 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6612 sizeof(struct qeth_ipacmd_setadpparms));
6613 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6614 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6615 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6616 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6617 card->dev->dev_addr, OSA_ADDR_LEN);
6618 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6624 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6627 struct qeth_cmd_buffer *iob;
6628 struct qeth_ipa_cmd *cmd;
6630 QETH_DBF_TEXT(trace,4,"adpmode");
6632 iob = qeth_get_adapter_cmd(card, command,
6633 sizeof(struct qeth_ipacmd_setadpparms));
6634 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6635 cmd->data.setadapterparms.data.mode = mode;
6636 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6642 qeth_setadapter_hstr(struct qeth_card *card)
6646 QETH_DBF_TEXT(trace,4,"adphstr");
6648 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6649 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6650 card->options.broadcast_mode);
6652 PRINT_WARN("couldn't set broadcast mode on "
6654 CARD_BUS_ID(card), rc);
6655 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6656 card->options.macaddr_mode);
6658 PRINT_WARN("couldn't set macaddr mode on "
6659 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6662 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6663 PRINT_WARN("set adapter parameters not available "
6664 "to set broadcast mode, using ALLRINGS "
6665 "on device %s:\n", CARD_BUS_ID(card));
6666 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6667 PRINT_WARN("set adapter parameters not available "
6668 "to set macaddr mode, using NONCANONICAL "
6669 "on device %s:\n", CARD_BUS_ID(card));
6674 qeth_setadapter_parms(struct qeth_card *card)
6678 QETH_DBF_TEXT(setup, 2, "setadprm");
6680 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6681 PRINT_WARN("set adapter parameters not supported "
6684 QETH_DBF_TEXT(setup, 2, " notsupp");
6687 rc = qeth_query_setadapterparms(card);
6689 PRINT_WARN("couldn't set adapter parameters on device %s: "
6690 "x%x\n", CARD_BUS_ID(card), rc);
6693 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6694 rc = qeth_setadpparms_change_macaddr(card);
6696 PRINT_WARN("couldn't get MAC address on "
6698 CARD_BUS_ID(card), rc);
6701 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6702 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6703 rc = qeth_setadapter_hstr(card);
6709 qeth_layer2_initialize(struct qeth_card *card)
6714 QETH_DBF_TEXT(setup, 2, "doL2init");
6715 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6717 rc = qeth_query_setadapterparms(card);
6719 PRINT_WARN("could not query adapter parameters on device %s: "
6720 "x%x\n", CARD_BUS_ID(card), rc);
6723 rc = qeth_setadpparms_change_macaddr(card);
6725 PRINT_WARN("couldn't get MAC address on "
6727 CARD_BUS_ID(card), rc);
6728 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6731 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6733 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6735 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6741 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6742 enum qeth_prot_versions prot)
6745 struct qeth_cmd_buffer *iob;
6747 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6748 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6754 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6758 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6760 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6765 qeth_send_stoplan(struct qeth_card *card)
6770 * TODO: according to the IPA format document page 14,
6771 * TCP/IP (we!) never issue a STOPLAN
6774 QETH_DBF_TEXT(trace, 2, "stoplan");
6776 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6781 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6784 struct qeth_ipa_cmd *cmd;
6786 QETH_DBF_TEXT(setup, 2, "qipasscb");
6788 cmd = (struct qeth_ipa_cmd *) data;
6789 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6790 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6791 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6792 /* Disable IPV6 support hard coded for Hipersockets */
6793 if(card->info.type == QETH_CARD_TYPE_IQD)
6794 card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6796 #ifdef CONFIG_QETH_IPV6
6797 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6798 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6801 QETH_DBF_TEXT(setup, 2, "suppenbl");
6802 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6803 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6808 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6811 struct qeth_cmd_buffer *iob;
6813 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6814 if (card->options.layer2) {
6815 QETH_DBF_TEXT(setup, 2, "noprmly2");
6819 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6820 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6824 static struct qeth_cmd_buffer *
6825 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6826 __u16 cmd_code, __u16 len,
6827 enum qeth_prot_versions prot)
6829 struct qeth_cmd_buffer *iob;
6830 struct qeth_ipa_cmd *cmd;
6832 QETH_DBF_TEXT(trace,4,"getasscm");
6833 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6835 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6836 cmd->data.setassparms.hdr.assist_no = ipa_func;
6837 cmd->data.setassparms.hdr.length = 8 + len;
6838 cmd->data.setassparms.hdr.command_code = cmd_code;
6839 cmd->data.setassparms.hdr.return_code = 0;
6840 cmd->data.setassparms.hdr.seq_no = 0;
6846 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6847 __u16 len, long data,
6849 (struct qeth_card *,struct qeth_reply *,unsigned long),
6853 struct qeth_ipa_cmd *cmd;
6855 QETH_DBF_TEXT(trace,4,"sendassp");
6857 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6858 if (len <= sizeof(__u32))
6859 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6860 else /* (len > sizeof(__u32)) */
6861 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6863 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6867 #ifdef CONFIG_QETH_IPV6
6869 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6870 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6874 struct qeth_cmd_buffer *iob;
6876 QETH_DBF_TEXT(trace,4,"simassp6");
6877 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6879 rc = qeth_send_setassparms(card, iob, 0, 0,
6880 qeth_default_setassparms_cb, NULL);
6886 qeth_send_simple_setassparms(struct qeth_card *card,
6887 enum qeth_ipa_funcs ipa_func,
6888 __u16 cmd_code, long data)
6892 struct qeth_cmd_buffer *iob;
6894 QETH_DBF_TEXT(trace,4,"simassp4");
6896 length = sizeof(__u32);
6897 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6898 length, QETH_PROT_IPV4);
6899 rc = qeth_send_setassparms(card, iob, length, data,
6900 qeth_default_setassparms_cb, NULL);
6905 qeth_start_ipa_arp_processing(struct qeth_card *card)
6909 QETH_DBF_TEXT(trace,3,"ipaarp");
6911 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6912 PRINT_WARN("ARP processing not supported "
6913 "on %s!\n", QETH_CARD_IFNAME(card));
6916 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6917 IPA_CMD_ASS_START, 0);
6919 PRINT_WARN("Could not start ARP processing "
6920 "assist on %s: 0x%x\n",
6921 QETH_CARD_IFNAME(card), rc);
6927 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6931 QETH_DBF_TEXT(trace,3,"ipaipfrg");
6933 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6934 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6935 QETH_CARD_IFNAME(card));
6939 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6940 IPA_CMD_ASS_START, 0);
6942 PRINT_WARN("Could not start Hardware IP fragmentation "
6943 "assist on %s: 0x%x\n",
6944 QETH_CARD_IFNAME(card), rc);
6946 PRINT_INFO("Hardware IP fragmentation enabled \n");
6951 qeth_start_ipa_source_mac(struct qeth_card *card)
6955 QETH_DBF_TEXT(trace,3,"stsrcmac");
6957 if (!card->options.fake_ll)
6960 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6961 PRINT_INFO("Inbound source address not "
6962 "supported on %s\n", QETH_CARD_IFNAME(card));
6966 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6967 IPA_CMD_ASS_START, 0);
6969 PRINT_WARN("Could not start inbound source "
6970 "assist on %s: 0x%x\n",
6971 QETH_CARD_IFNAME(card), rc);
6976 qeth_start_ipa_vlan(struct qeth_card *card)
6980 QETH_DBF_TEXT(trace,3,"strtvlan");
6982 #ifdef CONFIG_QETH_VLAN
6983 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6984 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
6988 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6989 IPA_CMD_ASS_START,0);
6991 PRINT_WARN("Could not start vlan "
6992 "assist on %s: 0x%x\n",
6993 QETH_CARD_IFNAME(card), rc);
6995 PRINT_INFO("VLAN enabled \n");
6996 card->dev->features |=
6997 NETIF_F_HW_VLAN_FILTER |
6998 NETIF_F_HW_VLAN_TX |
7001 #endif /* QETH_VLAN */
7006 qeth_start_ipa_multicast(struct qeth_card *card)
7010 QETH_DBF_TEXT(trace,3,"stmcast");
7012 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7013 PRINT_WARN("Multicast not supported on %s\n",
7014 QETH_CARD_IFNAME(card));
7018 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7019 IPA_CMD_ASS_START,0);
7021 PRINT_WARN("Could not start multicast "
7022 "assist on %s: rc=%i\n",
7023 QETH_CARD_IFNAME(card), rc);
7025 PRINT_INFO("Multicast enabled\n");
7026 card->dev->flags |= IFF_MULTICAST;
7031 #ifdef CONFIG_QETH_IPV6
7033 qeth_softsetup_ipv6(struct qeth_card *card)
7037 QETH_DBF_TEXT(trace,3,"softipv6");
7039 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7041 PRINT_ERR("IPv6 startlan failed on %s\n",
7042 QETH_CARD_IFNAME(card));
7045 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7047 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7048 QETH_CARD_IFNAME(card));
7051 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7052 IPA_CMD_ASS_START, 3);
7054 PRINT_WARN("IPv6 start assist (version 4) failed "
7056 QETH_CARD_IFNAME(card), rc);
7059 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7062 PRINT_WARN("IPV6 start assist (version 6) failed "
7064 QETH_CARD_IFNAME(card), rc);
7067 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7070 PRINT_WARN("Could not enable passthrough "
7072 QETH_CARD_IFNAME(card), rc);
7075 PRINT_INFO("IPV6 enabled \n");
7082 qeth_start_ipa_ipv6(struct qeth_card *card)
7085 #ifdef CONFIG_QETH_IPV6
7086 QETH_DBF_TEXT(trace,3,"strtipv6");
7088 if (!qeth_is_supported(card, IPA_IPV6)) {
7089 PRINT_WARN("IPv6 not supported on %s\n",
7090 QETH_CARD_IFNAME(card));
7093 rc = qeth_softsetup_ipv6(card);
7099 qeth_start_ipa_broadcast(struct qeth_card *card)
7103 QETH_DBF_TEXT(trace,3,"stbrdcst");
7104 card->info.broadcast_capable = 0;
7105 if (!qeth_is_supported(card, IPA_FILTERING)) {
7106 PRINT_WARN("Broadcast not supported on %s\n",
7107 QETH_CARD_IFNAME(card));
7111 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7112 IPA_CMD_ASS_START, 0);
7114 PRINT_WARN("Could not enable broadcasting filtering "
7116 QETH_CARD_IFNAME(card), rc);
7120 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7121 IPA_CMD_ASS_CONFIGURE, 1);
7123 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7124 QETH_CARD_IFNAME(card), rc);
7127 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7128 PRINT_INFO("Broadcast enabled \n");
7129 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7130 IPA_CMD_ASS_ENABLE, 1);
7132 PRINT_WARN("Could not set up broadcast echo filtering on "
7133 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7136 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7138 if (card->info.broadcast_capable)
7139 card->dev->flags |= IFF_BROADCAST;
7141 card->dev->flags &= ~IFF_BROADCAST;
7146 qeth_send_checksum_command(struct qeth_card *card)
7150 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7151 IPA_CMD_ASS_START, 0);
7153 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7154 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7155 QETH_CARD_IFNAME(card), rc);
7158 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7160 card->info.csum_mask);
7162 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7163 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7164 QETH_CARD_IFNAME(card), rc);
7171 qeth_start_ipa_checksum(struct qeth_card *card)
7175 QETH_DBF_TEXT(trace,3,"strtcsum");
7177 if (card->options.checksum_type == NO_CHECKSUMMING) {
7178 PRINT_WARN("Using no checksumming on %s.\n",
7179 QETH_CARD_IFNAME(card));
7182 if (card->options.checksum_type == SW_CHECKSUMMING) {
7183 PRINT_WARN("Using SW checksumming on %s.\n",
7184 QETH_CARD_IFNAME(card));
7187 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7188 PRINT_WARN("Inbound HW Checksumming not "
7189 "supported on %s,\ncontinuing "
7190 "using Inbound SW Checksumming\n",
7191 QETH_CARD_IFNAME(card));
7192 card->options.checksum_type = SW_CHECKSUMMING;
7195 rc = qeth_send_checksum_command(card);
7197 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7203 qeth_start_ipa_tso(struct qeth_card *card)
7207 QETH_DBF_TEXT(trace,3,"sttso");
7209 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7210 PRINT_WARN("Outbound TSO not supported on %s\n",
7211 QETH_CARD_IFNAME(card));
7214 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7215 IPA_CMD_ASS_START,0);
7217 PRINT_WARN("Could not start outbound TSO "
7218 "assist on %s: rc=%i\n",
7219 QETH_CARD_IFNAME(card), rc);
7221 PRINT_INFO("Outbound TSO enabled\n");
7223 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7224 card->options.large_send = QETH_LARGE_SEND_NO;
7225 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7231 qeth_start_ipassists(struct qeth_card *card)
7233 QETH_DBF_TEXT(trace,3,"strtipas");
7234 qeth_start_ipa_arp_processing(card); /* go on*/
7235 qeth_start_ipa_ip_fragmentation(card); /* go on*/
7236 qeth_start_ipa_source_mac(card); /* go on*/
7237 qeth_start_ipa_vlan(card); /* go on*/
7238 qeth_start_ipa_multicast(card); /* go on*/
7239 qeth_start_ipa_ipv6(card); /* go on*/
7240 qeth_start_ipa_broadcast(card); /* go on*/
7241 qeth_start_ipa_checksum(card); /* go on*/
7242 qeth_start_ipa_tso(card); /* go on*/
7247 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7248 enum qeth_prot_versions prot)
7251 struct qeth_ipa_cmd *cmd;
7252 struct qeth_cmd_buffer *iob;
7254 QETH_DBF_TEXT(trace,4,"setroutg");
7255 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7256 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7257 cmd->data.setrtg.type = (type);
7258 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7265 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7266 enum qeth_prot_versions prot)
7268 if (card->info.type == QETH_CARD_TYPE_IQD) {
7271 case PRIMARY_CONNECTOR:
7272 case SECONDARY_CONNECTOR:
7273 case MULTICAST_ROUTER:
7281 case PRIMARY_ROUTER:
7282 case SECONDARY_ROUTER:
7284 case MULTICAST_ROUTER:
7285 if (qeth_is_ipafunc_supported(card, prot,
7293 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7294 "Router status set to 'no router'.\n",
7295 ((*type == PRIMARY_ROUTER)? "primary router" :
7296 (*type == SECONDARY_ROUTER)? "secondary router" :
7297 (*type == PRIMARY_CONNECTOR)? "primary connector" :
7298 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7299 (*type == MULTICAST_ROUTER)? "multicast router" :
7306 qeth_setrouting_v4(struct qeth_card *card)
7310 QETH_DBF_TEXT(trace,3,"setrtg4");
7312 qeth_correct_routing_type(card, &card->options.route4.type,
7315 rc = qeth_send_setrouting(card, card->options.route4.type,
7318 card->options.route4.type = NO_ROUTER;
7319 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7320 "Type set to 'no router'.\n",
7321 rc, QETH_CARD_IFNAME(card));
7327 qeth_setrouting_v6(struct qeth_card *card)
7331 QETH_DBF_TEXT(trace,3,"setrtg6");
7332 #ifdef CONFIG_QETH_IPV6
7334 qeth_correct_routing_type(card, &card->options.route6.type,
7337 rc = qeth_send_setrouting(card, card->options.route6.type,
7340 card->options.route6.type = NO_ROUTER;
7341 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7342 "Type set to 'no router'.\n",
7343 rc, QETH_CARD_IFNAME(card));
7350 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7354 if (card->dev == NULL) {
7355 card->options.large_send = type;
7358 if (card->state == CARD_STATE_UP)
7359 netif_tx_disable(card->dev);
7360 card->options.large_send = type;
7361 switch (card->options.large_send) {
7362 case QETH_LARGE_SEND_EDDP:
7363 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7365 case QETH_LARGE_SEND_TSO:
7366 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7367 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7369 PRINT_WARN("TSO not supported on %s. "
7370 "large_send set to 'no'.\n",
7372 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7373 card->options.large_send = QETH_LARGE_SEND_NO;
7377 default: /* includes QETH_LARGE_SEND_NO */
7378 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7381 if (card->state == CARD_STATE_UP)
7382 netif_wake_queue(card->dev);
7387 * softsetup card: init IPA stuff
7390 qeth_softsetup_card(struct qeth_card *card)
7394 QETH_DBF_TEXT(setup, 2, "softsetp");
7396 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7397 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7399 PRINT_WARN("LAN on card %s if offline! "
7400 "Continuing softsetup.\n",
7402 card->lan_online = 0;
7406 card->lan_online = 1;
7407 if (card->info.type==QETH_CARD_TYPE_OSN)
7409 qeth_set_large_send(card, card->options.large_send);
7410 if (card->options.layer2) {
7411 card->dev->features |=
7412 NETIF_F_HW_VLAN_FILTER |
7413 NETIF_F_HW_VLAN_TX |
7415 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7416 card->info.broadcast_capable=1;
7417 if ((rc = qeth_layer2_initialize(card))) {
7418 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7421 #ifdef CONFIG_QETH_VLAN
7422 qeth_layer2_process_vlans(card, 0);
7426 if ((rc = qeth_setadapter_parms(card)))
7427 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7428 if ((rc = qeth_start_ipassists(card)))
7429 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7430 if ((rc = qeth_setrouting_v4(card)))
7431 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7432 if ((rc = qeth_setrouting_v6(card)))
7433 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7435 netif_tx_disable(card->dev);
7439 #ifdef CONFIG_QETH_IPV6
7441 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7444 struct qeth_ipa_cmd *cmd;
7446 cmd = (struct qeth_ipa_cmd *) data;
7447 if (cmd->hdr.return_code == 0)
7448 card->info.unique_id = *((__u16 *)
7449 &cmd->data.create_destroy_addr.unique_id[6]);
7451 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7452 UNIQUE_ID_NOT_BY_CARD;
7453 PRINT_WARN("couldn't get a unique id from the card on device "
7454 "%s (result=x%x), using default id. ipv6 "
7455 "autoconfig on other lpars may lead to duplicate "
7456 "ip addresses. please use manually "
7457 "configured ones.\n",
7458 CARD_BUS_ID(card), cmd->hdr.return_code);
7465 qeth_put_unique_id(struct qeth_card *card)
7469 #ifdef CONFIG_QETH_IPV6
7470 struct qeth_cmd_buffer *iob;
7471 struct qeth_ipa_cmd *cmd;
7473 QETH_DBF_TEXT(trace,2,"puniqeid");
7475 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7476 UNIQUE_ID_NOT_BY_CARD)
7478 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7480 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7481 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7482 card->info.unique_id;
7483 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7484 card->dev->dev_addr, OSA_ADDR_LEN);
7485 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7487 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7488 UNIQUE_ID_NOT_BY_CARD;
7497 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7499 struct qeth_ipaddr *addr, *tmp;
7500 unsigned long flags;
7502 QETH_DBF_TEXT(trace,4,"clearip");
7503 spin_lock_irqsave(&card->ip_lock, flags);
7504 /* clear todo list */
7505 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7506 list_del(&addr->entry);
7510 while (!list_empty(&card->ip_list)) {
7511 addr = list_entry(card->ip_list.next,
7512 struct qeth_ipaddr, entry);
7513 list_del_init(&addr->entry);
7515 spin_unlock_irqrestore(&card->ip_lock, flags);
7516 qeth_deregister_addr_entry(card, addr);
7517 spin_lock_irqsave(&card->ip_lock, flags);
7519 if (!recover || addr->is_multicast) {
7523 list_add_tail(&addr->entry, card->ip_tbd_list);
7525 spin_unlock_irqrestore(&card->ip_lock, flags);
7529 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7530 int clear_start_mask)
7532 unsigned long flags;
7534 spin_lock_irqsave(&card->thread_mask_lock, flags);
7535 card->thread_allowed_mask = threads;
7536 if (clear_start_mask)
7537 card->thread_start_mask &= threads;
7538 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7539 wake_up(&card->wait_q);
7543 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7545 unsigned long flags;
7548 spin_lock_irqsave(&card->thread_mask_lock, flags);
7549 rc = (card->thread_running_mask & threads);
7550 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7555 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7557 return wait_event_interruptible(card->wait_q,
7558 qeth_threads_running(card, threads) == 0);
7562 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7566 QETH_DBF_TEXT(setup ,2,"stopcard");
7567 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7569 qeth_set_allowed_threads(card, 0, 1);
7570 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7571 return -ERESTARTSYS;
7572 if (card->read.state == CH_STATE_UP &&
7573 card->write.state == CH_STATE_UP &&
7574 (card->state == CARD_STATE_UP)) {
7575 if (recovery_mode &&
7576 card->info.type != QETH_CARD_TYPE_OSN) {
7577 qeth_stop(card->dev);
7580 dev_close(card->dev);
7583 if (!card->use_hard_stop) {
7584 __u8 *mac = &card->dev->dev_addr[0];
7585 rc = qeth_layer2_send_delmac(card, mac);
7586 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7587 if ((rc = qeth_send_stoplan(card)))
7588 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7590 card->state = CARD_STATE_SOFTSETUP;
7592 if (card->state == CARD_STATE_SOFTSETUP) {
7593 #ifdef CONFIG_QETH_VLAN
7594 if (card->options.layer2)
7595 qeth_layer2_process_vlans(card, 1);
7597 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7598 qeth_clear_ipacmd_list(card);
7599 card->state = CARD_STATE_HARDSETUP;
7601 if (card->state == CARD_STATE_HARDSETUP) {
7602 if ((!card->use_hard_stop) &&
7603 (!card->options.layer2))
7604 if ((rc = qeth_put_unique_id(card)))
7605 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7606 qeth_qdio_clear_card(card, 0);
7607 qeth_clear_qdio_buffers(card);
7608 qeth_clear_working_pool_list(card);
7609 card->state = CARD_STATE_DOWN;
7611 if (card->state == CARD_STATE_DOWN) {
7612 qeth_clear_cmd_buffers(&card->read);
7613 qeth_clear_cmd_buffers(&card->write);
7615 card->use_hard_stop = 0;
7621 qeth_get_unique_id(struct qeth_card *card)
7624 #ifdef CONFIG_QETH_IPV6
7625 struct qeth_cmd_buffer *iob;
7626 struct qeth_ipa_cmd *cmd;
7628 QETH_DBF_TEXT(setup, 2, "guniqeid");
7630 if (!qeth_is_supported(card,IPA_IPV6)) {
7631 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7632 UNIQUE_ID_NOT_BY_CARD;
7636 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7638 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7639 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7640 card->info.unique_id;
7642 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7644 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7645 UNIQUE_ID_NOT_BY_CARD;
7650 qeth_print_status_with_portname(struct qeth_card *card)
7655 sprintf(dbf_text, "%s", card->info.portname + 1);
7656 for (i = 0; i < 8; i++)
7658 (char) _ebcasc[(__u8) dbf_text[i]];
7660 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7661 "with link type %s (portname: %s)\n",
7665 qeth_get_cardname(card),
7666 (card->info.mcl_level[0]) ? " (level: " : "",
7667 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7668 (card->info.mcl_level[0]) ? ")" : "",
7669 qeth_get_cardname_short(card),
7675 qeth_print_status_no_portname(struct qeth_card *card)
7677 if (card->info.portname[0])
7678 printk("qeth: Device %s/%s/%s is a%s "
7679 "card%s%s%s\nwith link type %s "
7680 "(no portname needed by interface).\n",
7684 qeth_get_cardname(card),
7685 (card->info.mcl_level[0]) ? " (level: " : "",
7686 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7687 (card->info.mcl_level[0]) ? ")" : "",
7688 qeth_get_cardname_short(card));
7690 printk("qeth: Device %s/%s/%s is a%s "
7691 "card%s%s%s\nwith link type %s.\n",
7695 qeth_get_cardname(card),
7696 (card->info.mcl_level[0]) ? " (level: " : "",
7697 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7698 (card->info.mcl_level[0]) ? ")" : "",
7699 qeth_get_cardname_short(card));
7703 qeth_print_status_message(struct qeth_card *card)
7705 switch (card->info.type) {
7706 case QETH_CARD_TYPE_OSAE:
7707 /* VM will use a non-zero first character
7708 * to indicate a HiperSockets like reporting
7709 * of the level OSA sets the first character to zero
7711 if (!card->info.mcl_level[0]) {
7712 sprintf(card->info.mcl_level,"%02x%02x",
7713 card->info.mcl_level[2],
7714 card->info.mcl_level[3]);
7716 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7720 case QETH_CARD_TYPE_IQD:
7721 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7722 card->info.mcl_level[0]];
7723 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7724 card->info.mcl_level[1]];
7725 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7726 card->info.mcl_level[2]];
7727 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7728 card->info.mcl_level[3]];
7729 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7732 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7734 if (card->info.portname_required)
7735 qeth_print_status_with_portname(card);
7737 qeth_print_status_no_portname(card);
7741 qeth_register_netdev(struct qeth_card *card)
7743 QETH_DBF_TEXT(setup, 3, "regnetd");
7744 if (card->dev->reg_state != NETREG_UNINITIALIZED)
7747 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7748 return register_netdev(card->dev);
7752 qeth_start_again(struct qeth_card *card, int recovery_mode)
7754 QETH_DBF_TEXT(setup ,2, "startag");
7756 if (recovery_mode &&
7757 card->info.type != QETH_CARD_TYPE_OSN) {
7758 qeth_open(card->dev);
7761 dev_open(card->dev);
7764 /* this also sets saved unicast addresses */
7765 qeth_set_multicast_list(card->dev);
7769 /* Layer 2 specific stuff */
7770 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7771 if (card->options.option == value) { \
7772 PRINT_ERR("%s not supported with layer 2 " \
7773 "functionality, ignoring option on read" \
7774 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7775 card->options.option = reset_value; \
7777 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7778 if (card->options.option != value) { \
7779 PRINT_ERR("%s not supported with layer 2 " \
7780 "functionality, ignoring option on read" \
7781 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7782 card->options.option = reset_value; \
7786 static void qeth_make_parameters_consistent(struct qeth_card *card)
7789 if (card->options.layer2 == 0)
7791 if (card->info.type == QETH_CARD_TYPE_OSN)
7793 if (card->info.type == QETH_CARD_TYPE_IQD) {
7794 PRINT_ERR("Device %s does not support layer 2 functionality." \
7795 " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7796 card->options.layer2 = 0;
7799 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7800 "Routing options are");
7801 #ifdef CONFIG_QETH_IPV6
7802 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7803 "Routing options are");
7805 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7806 QETH_CHECKSUM_DEFAULT,
7807 "Checksumming options are");
7808 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7809 QETH_TR_BROADCAST_ALLRINGS,
7810 "Broadcast mode options are");
7811 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7812 QETH_TR_MACADDR_NONCANONICAL,
7813 "Canonical MAC addr options are");
7814 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7815 "Broadcast faking options are");
7816 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7817 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7818 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7823 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7825 struct qeth_card *card = gdev->dev.driver_data;
7827 enum qeth_card_states recover_flag;
7830 QETH_DBF_TEXT(setup ,2, "setonlin");
7831 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7833 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7834 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7835 PRINT_WARN("set_online of card %s interrupted by user!\n",
7837 return -ERESTARTSYS;
7840 recover_flag = card->state;
7841 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7842 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7843 (rc = ccw_device_set_online(CARD_DDEV(card)))){
7844 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7848 qeth_make_parameters_consistent(card);
7850 if ((rc = qeth_hardsetup_card(card))){
7851 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7854 card->state = CARD_STATE_HARDSETUP;
7856 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7857 rc = qeth_get_unique_id(card);
7859 if (rc && card->options.layer2 == 0) {
7860 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7863 qeth_print_status_message(card);
7864 if ((rc = qeth_register_netdev(card))){
7865 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7868 if ((rc = qeth_softsetup_card(card))){
7869 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7872 card->state = CARD_STATE_SOFTSETUP;
7874 if ((rc = qeth_init_qdio_queues(card))){
7875 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7878 netif_carrier_on(card->dev);
7880 qeth_set_allowed_threads(card, 0xffffffff, 0);
7881 if (recover_flag == CARD_STATE_RECOVER)
7882 qeth_start_again(card, recovery_mode);
7883 qeth_notify_processes();
7886 card->use_hard_stop = 1;
7887 qeth_stop_card(card, 0);
7888 ccw_device_set_offline(CARD_DDEV(card));
7889 ccw_device_set_offline(CARD_WDEV(card));
7890 ccw_device_set_offline(CARD_RDEV(card));
7891 if (recover_flag == CARD_STATE_RECOVER)
7892 card->state = CARD_STATE_RECOVER;
7894 card->state = CARD_STATE_DOWN;
7899 qeth_set_online(struct ccwgroup_device *gdev)
7901 return __qeth_set_online(gdev, 0);
7904 static struct ccw_device_id qeth_ids[] = {
7905 {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
7906 {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
7907 {CCW_DEVICE(0x1731, 0x06), driver_info:QETH_CARD_TYPE_OSN},
7910 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7912 struct device *qeth_root_dev = NULL;
7914 struct ccwgroup_driver qeth_ccwgroup_driver = {
7915 .owner = THIS_MODULE,
7917 .driver_id = 0xD8C5E3C8,
7918 .probe = qeth_probe_device,
7919 .remove = qeth_remove_device,
7920 .set_online = qeth_set_online,
7921 .set_offline = qeth_set_offline,
7924 struct ccw_driver qeth_ccw_driver = {
7927 .probe = ccwgroup_probe_ccwdev,
7928 .remove = ccwgroup_remove_ccwdev,
7933 qeth_unregister_dbf_views(void)
7936 debug_unregister(qeth_dbf_setup);
7938 debug_unregister(qeth_dbf_qerr);
7940 debug_unregister(qeth_dbf_sense);
7942 debug_unregister(qeth_dbf_misc);
7944 debug_unregister(qeth_dbf_data);
7945 if (qeth_dbf_control)
7946 debug_unregister(qeth_dbf_control);
7948 debug_unregister(qeth_dbf_trace);
7951 qeth_register_dbf_views(void)
7953 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7954 QETH_DBF_SETUP_PAGES,
7955 QETH_DBF_SETUP_NR_AREAS,
7956 QETH_DBF_SETUP_LEN);
7957 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7958 QETH_DBF_MISC_PAGES,
7959 QETH_DBF_MISC_NR_AREAS,
7961 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7962 QETH_DBF_DATA_PAGES,
7963 QETH_DBF_DATA_NR_AREAS,
7965 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7966 QETH_DBF_CONTROL_PAGES,
7967 QETH_DBF_CONTROL_NR_AREAS,
7968 QETH_DBF_CONTROL_LEN);
7969 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7970 QETH_DBF_SENSE_PAGES,
7971 QETH_DBF_SENSE_NR_AREAS,
7972 QETH_DBF_SENSE_LEN);
7973 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7974 QETH_DBF_QERR_PAGES,
7975 QETH_DBF_QERR_NR_AREAS,
7977 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7978 QETH_DBF_TRACE_PAGES,
7979 QETH_DBF_TRACE_NR_AREAS,
7980 QETH_DBF_TRACE_LEN);
7982 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
7983 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
7984 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
7985 (qeth_dbf_trace == NULL)) {
7986 qeth_unregister_dbf_views();
7989 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7990 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
7992 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
7993 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
7995 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
7996 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
7998 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
7999 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8001 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8002 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8004 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8005 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8007 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8008 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8013 #ifdef CONFIG_QETH_IPV6
8014 extern struct neigh_table arp_tbl;
8015 static struct neigh_ops *arp_direct_ops;
8016 static int (*qeth_old_arp_constructor) (struct neighbour *);
8018 static struct neigh_ops arp_direct_ops_template = {
8021 .error_report = NULL,
8022 .output = dev_queue_xmit,
8023 .connected_output = dev_queue_xmit,
8024 .hh_output = dev_queue_xmit,
8025 .queue_xmit = dev_queue_xmit
8029 qeth_arp_constructor(struct neighbour *neigh)
8031 struct net_device *dev = neigh->dev;
8032 struct in_device *in_dev;
8033 struct neigh_parms *parms;
8034 struct qeth_card *card;
8036 card = qeth_get_card_from_dev(dev);
8039 if((card->options.layer2) ||
8040 (card->dev->hard_header == qeth_fake_header))
8044 in_dev = __in_dev_get_rcu(dev);
8045 if (in_dev == NULL) {
8050 parms = in_dev->arp_parms;
8051 __neigh_parms_put(neigh->parms);
8052 neigh->parms = neigh_parms_clone(parms);
8055 neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
8056 neigh->nud_state = NUD_NOARP;
8057 neigh->ops = arp_direct_ops;
8058 neigh->output = neigh->ops->queue_xmit;
8061 return qeth_old_arp_constructor(neigh);
8063 #endif /*CONFIG_QETH_IPV6*/
8066 * IP address takeover related functions
8069 qeth_clear_ipato_list(struct qeth_card *card)
8071 struct qeth_ipato_entry *ipatoe, *tmp;
8072 unsigned long flags;
8074 spin_lock_irqsave(&card->ip_lock, flags);
8075 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8076 list_del(&ipatoe->entry);
8079 spin_unlock_irqrestore(&card->ip_lock, flags);
8083 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8085 struct qeth_ipato_entry *ipatoe;
8086 unsigned long flags;
8089 QETH_DBF_TEXT(trace, 2, "addipato");
8090 spin_lock_irqsave(&card->ip_lock, flags);
8091 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8092 if (ipatoe->proto != new->proto)
8094 if (!memcmp(ipatoe->addr, new->addr,
8095 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8096 (ipatoe->mask_bits == new->mask_bits)){
8097 PRINT_WARN("ipato entry already exists!\n");
8103 list_add_tail(&new->entry, &card->ipato.entries);
8105 spin_unlock_irqrestore(&card->ip_lock, flags);
8110 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8111 u8 *addr, int mask_bits)
8113 struct qeth_ipato_entry *ipatoe, *tmp;
8114 unsigned long flags;
8116 QETH_DBF_TEXT(trace, 2, "delipato");
8117 spin_lock_irqsave(&card->ip_lock, flags);
8118 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8119 if (ipatoe->proto != proto)
8121 if (!memcmp(ipatoe->addr, addr,
8122 (proto == QETH_PROT_IPV4)? 4:16) &&
8123 (ipatoe->mask_bits == mask_bits)){
8124 list_del(&ipatoe->entry);
8128 spin_unlock_irqrestore(&card->ip_lock, flags);
8132 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8137 for (i = 0; i < len; ++i){
8139 for (j = 7; j >= 0; --j){
8140 bits[i*8 + j] = octet & 1;
8147 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8149 struct qeth_ipato_entry *ipatoe;
8150 u8 addr_bits[128] = {0, };
8151 u8 ipatoe_bits[128] = {0, };
8154 if (!card->ipato.enabled)
8157 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8158 (addr->proto == QETH_PROT_IPV4)? 4:16);
8159 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8160 if (addr->proto != ipatoe->proto)
8162 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8163 (ipatoe->proto==QETH_PROT_IPV4) ?
8165 if (addr->proto == QETH_PROT_IPV4)
8166 rc = !memcmp(addr_bits, ipatoe_bits,
8167 min(32, ipatoe->mask_bits));
8169 rc = !memcmp(addr_bits, ipatoe_bits,
8170 min(128, ipatoe->mask_bits));
8175 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8177 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8184 * VIPA related functions
8187 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8190 struct qeth_ipaddr *ipaddr;
8191 unsigned long flags;
8194 ipaddr = qeth_get_addr_buffer(proto);
8196 if (proto == QETH_PROT_IPV4){
8197 QETH_DBF_TEXT(trace, 2, "addvipa4");
8198 memcpy(&ipaddr->u.a4.addr, addr, 4);
8199 ipaddr->u.a4.mask = 0;
8200 #ifdef CONFIG_QETH_IPV6
8201 } else if (proto == QETH_PROT_IPV6){
8202 QETH_DBF_TEXT(trace, 2, "addvipa6");
8203 memcpy(&ipaddr->u.a6.addr, addr, 16);
8204 ipaddr->u.a6.pfxlen = 0;
8207 ipaddr->type = QETH_IP_TYPE_VIPA;
8208 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8209 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8212 spin_lock_irqsave(&card->ip_lock, flags);
8213 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8214 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8216 spin_unlock_irqrestore(&card->ip_lock, flags);
8218 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8221 if (!qeth_add_ip(card, ipaddr))
8223 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8224 schedule_work(&card->kernel_thread_starter);
8229 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8232 struct qeth_ipaddr *ipaddr;
8234 ipaddr = qeth_get_addr_buffer(proto);
8236 if (proto == QETH_PROT_IPV4){
8237 QETH_DBF_TEXT(trace, 2, "delvipa4");
8238 memcpy(&ipaddr->u.a4.addr, addr, 4);
8239 ipaddr->u.a4.mask = 0;
8240 #ifdef CONFIG_QETH_IPV6
8241 } else if (proto == QETH_PROT_IPV6){
8242 QETH_DBF_TEXT(trace, 2, "delvipa6");
8243 memcpy(&ipaddr->u.a6.addr, addr, 16);
8244 ipaddr->u.a6.pfxlen = 0;
8247 ipaddr->type = QETH_IP_TYPE_VIPA;
8250 if (!qeth_delete_ip(card, ipaddr))
8252 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8253 schedule_work(&card->kernel_thread_starter);
8257 * proxy ARP related functions
8260 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8263 struct qeth_ipaddr *ipaddr;
8264 unsigned long flags;
8267 ipaddr = qeth_get_addr_buffer(proto);
8269 if (proto == QETH_PROT_IPV4){
8270 QETH_DBF_TEXT(trace, 2, "addrxip4");
8271 memcpy(&ipaddr->u.a4.addr, addr, 4);
8272 ipaddr->u.a4.mask = 0;
8273 #ifdef CONFIG_QETH_IPV6
8274 } else if (proto == QETH_PROT_IPV6){
8275 QETH_DBF_TEXT(trace, 2, "addrxip6");
8276 memcpy(&ipaddr->u.a6.addr, addr, 16);
8277 ipaddr->u.a6.pfxlen = 0;
8280 ipaddr->type = QETH_IP_TYPE_RXIP;
8281 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8282 ipaddr->del_flags = 0;
8285 spin_lock_irqsave(&card->ip_lock, flags);
8286 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8287 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8289 spin_unlock_irqrestore(&card->ip_lock, flags);
8291 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8294 if (!qeth_add_ip(card, ipaddr))
8296 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8297 schedule_work(&card->kernel_thread_starter);
8302 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8305 struct qeth_ipaddr *ipaddr;
8307 ipaddr = qeth_get_addr_buffer(proto);
8309 if (proto == QETH_PROT_IPV4){
8310 QETH_DBF_TEXT(trace, 2, "addrxip4");
8311 memcpy(&ipaddr->u.a4.addr, addr, 4);
8312 ipaddr->u.a4.mask = 0;
8313 #ifdef CONFIG_QETH_IPV6
8314 } else if (proto == QETH_PROT_IPV6){
8315 QETH_DBF_TEXT(trace, 2, "addrxip6");
8316 memcpy(&ipaddr->u.a6.addr, addr, 16);
8317 ipaddr->u.a6.pfxlen = 0;
8320 ipaddr->type = QETH_IP_TYPE_RXIP;
8323 if (!qeth_delete_ip(card, ipaddr))
8325 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8326 schedule_work(&card->kernel_thread_starter);
8333 qeth_ip_event(struct notifier_block *this,
8334 unsigned long event,void *ptr)
8336 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8337 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8338 struct qeth_ipaddr *addr;
8339 struct qeth_card *card;
8341 QETH_DBF_TEXT(trace,3,"ipevent");
8342 card = qeth_get_card_from_dev(dev);
8345 if (card->options.layer2)
8348 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8350 addr->u.a4.addr = ifa->ifa_address;
8351 addr->u.a4.mask = ifa->ifa_mask;
8352 addr->type = QETH_IP_TYPE_NORMAL;
8358 if (!qeth_add_ip(card, addr))
8362 if (!qeth_delete_ip(card, addr))
8368 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8369 schedule_work(&card->kernel_thread_starter);
8374 static struct notifier_block qeth_ip_notifier = {
8379 #ifdef CONFIG_QETH_IPV6
8381 * IPv6 event handler
8384 qeth_ip6_event(struct notifier_block *this,
8385 unsigned long event,void *ptr)
8388 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8389 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8390 struct qeth_ipaddr *addr;
8391 struct qeth_card *card;
8393 QETH_DBF_TEXT(trace,3,"ip6event");
8395 card = qeth_get_card_from_dev(dev);
8398 if (!qeth_is_supported(card, IPA_IPV6))
8401 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8403 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8404 addr->u.a6.pfxlen = ifa->prefix_len;
8405 addr->type = QETH_IP_TYPE_NORMAL;
8411 if (!qeth_add_ip(card, addr))
8415 if (!qeth_delete_ip(card, addr))
8421 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8422 schedule_work(&card->kernel_thread_starter);
8427 static struct notifier_block qeth_ip6_notifier = {
8434 __qeth_reboot_event_card(struct device *dev, void *data)
8436 struct qeth_card *card;
8438 card = (struct qeth_card *) dev->driver_data;
8439 qeth_clear_ip_list(card, 0, 0);
8440 qeth_qdio_clear_card(card, 0);
8445 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8448 driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8449 __qeth_reboot_event_card);
8454 static struct notifier_block qeth_reboot_notifier = {
8460 qeth_register_notifiers(void)
8464 QETH_DBF_TEXT(trace,5,"regnotif");
8465 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8467 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8469 #ifdef CONFIG_QETH_IPV6
8470 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8475 #ifdef CONFIG_QETH_IPV6
8477 unregister_inetaddr_notifier(&qeth_ip_notifier);
8480 unregister_reboot_notifier(&qeth_reboot_notifier);
8485 * unregister all event notifiers
8488 qeth_unregister_notifiers(void)
8491 QETH_DBF_TEXT(trace,5,"unregnot");
8492 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8493 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8494 #ifdef CONFIG_QETH_IPV6
8495 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8496 #endif /* QETH_IPV6 */
8500 #ifdef CONFIG_QETH_IPV6
8502 qeth_ipv6_init(void)
8504 qeth_old_arp_constructor = arp_tbl.constructor;
8505 write_lock(&arp_tbl.lock);
8506 arp_tbl.constructor = qeth_arp_constructor;
8507 write_unlock(&arp_tbl.lock);
8509 arp_direct_ops = (struct neigh_ops*)
8510 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8511 if (!arp_direct_ops)
8514 memcpy(arp_direct_ops, &arp_direct_ops_template,
8515 sizeof(struct neigh_ops));
8521 qeth_ipv6_uninit(void)
8523 write_lock(&arp_tbl.lock);
8524 arp_tbl.constructor = qeth_old_arp_constructor;
8525 write_unlock(&arp_tbl.lock);
8526 kfree(arp_direct_ops);
8528 #endif /* CONFIG_QETH_IPV6 */
8531 qeth_sysfs_unregister(void)
8533 qeth_remove_driver_attributes();
8534 ccw_driver_unregister(&qeth_ccw_driver);
8535 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8536 s390_root_dev_unregister(qeth_root_dev);
8539 * register qeth at sysfs
8542 qeth_sysfs_register(void)
8546 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8549 rc = ccw_driver_register(&qeth_ccw_driver);
8552 rc = qeth_create_driver_attributes();
8555 qeth_root_dev = s390_root_dev_register("qeth");
8556 if (IS_ERR(qeth_root_dev)) {
8557 rc = PTR_ERR(qeth_root_dev);
8571 PRINT_INFO("loading %s\n", version);
8573 INIT_LIST_HEAD(&qeth_card_list.list);
8574 INIT_LIST_HEAD(&qeth_notify_list);
8575 spin_lock_init(&qeth_notify_lock);
8576 rwlock_init(&qeth_card_list.rwlock);
8578 if (qeth_register_dbf_views())
8580 if (qeth_sysfs_register())
8583 #ifdef CONFIG_QETH_IPV6
8584 if (qeth_ipv6_init()) {
8585 PRINT_ERR("Out of memory during ipv6 init.\n");
8588 #endif /* QETH_IPV6 */
8589 if (qeth_register_notifiers())
8591 if (qeth_create_procfs_entries())
8597 qeth_unregister_notifiers();
8599 #ifdef CONFIG_QETH_IPV6
8601 #endif /* QETH_IPV6 */
8603 qeth_sysfs_unregister();
8604 qeth_unregister_dbf_views();
8606 PRINT_ERR("Initialization failed");
8611 __exit qeth_exit(void)
8613 struct qeth_card *card, *tmp;
8614 unsigned long flags;
8616 QETH_DBF_TEXT(trace,1, "cleanup.");
8619 * Weed would not need to clean up our devices here, because the
8620 * common device layer calls qeth_remove_device for each device
8621 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8622 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8623 * qeth_remove_device called by the common device layer would otherwise
8624 * do a "hard" shutdown (card->use_hard_stop is set to one in
8625 * qeth_remove_device).
8628 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8629 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8630 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8631 qeth_set_offline(card->gdev);
8632 qeth_remove_device(card->gdev);
8635 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8636 #ifdef CONFIG_QETH_IPV6
8639 qeth_unregister_notifiers();
8640 qeth_remove_procfs_entries();
8641 qeth_sysfs_unregister();
8642 qeth_unregister_dbf_views();
8643 printk("qeth: removed\n");
8646 EXPORT_SYMBOL(qeth_osn_register);
8647 EXPORT_SYMBOL(qeth_osn_deregister);
8648 EXPORT_SYMBOL(qeth_osn_assist);
8649 module_init(qeth_init);
8650 module_exit(qeth_exit);
8651 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8652 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8653 "Copyright 2000,2003 IBM Corporation\n");
8655 MODULE_LICENSE("GPL");