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->dev->flags |= IFF_UP;
3802 netif_start_queue(dev);
3803 card->data.state = CH_STATE_UP;
3804 card->state = CARD_STATE_UP;
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_stop_queue(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;
4421 QETH_DBF_TEXT(trace, 6, "sendpkt");
4423 if (!card->options.layer2) {
4424 ipv = qeth_get_ip_version(skb);
4425 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4426 if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) {
4427 card->stats.tx_dropped++;
4428 dev_kfree_skb_irq(skb);
4431 if(card->dev->type == ARPHRD_IEEE802_TR){
4432 skb_pull(skb, QETH_FAKE_LL_LEN_TR);
4434 skb_pull(skb, QETH_FAKE_LL_LEN_ETH);
4438 if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4439 (skb->protocol == htons(ETH_P_IPV6))) {
4440 dev_kfree_skb_any(skb);
4443 cast_type = qeth_get_cast_type(card, skb);
4444 if ((cast_type == RTN_BROADCAST) &&
4445 (card->info.broadcast_capable == 0)){
4446 card->stats.tx_dropped++;
4447 card->stats.tx_errors++;
4448 dev_kfree_skb_any(skb);
4449 return NETDEV_TX_OK;
4451 queue = card->qdio.out_qs
4452 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4454 if (skb_shinfo(skb)->tso_size)
4455 large_send = card->options.large_send;
4457 /*are we able to do TSO ? If so ,prepare and send it from here */
4458 if ((large_send == QETH_LARGE_SEND_TSO) &&
4459 (cast_type == RTN_UNSPEC)) {
4460 rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type);
4462 card->stats.tx_dropped++;
4463 card->stats.tx_errors++;
4464 dev_kfree_skb_any(skb);
4465 return NETDEV_TX_OK;
4469 if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) {
4470 QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc);
4473 if (card->info.type != QETH_CARD_TYPE_OSN)
4474 qeth_fill_header(card, hdr, skb, ipv, cast_type);
4477 if (large_send == QETH_LARGE_SEND_EDDP) {
4478 ctx = qeth_eddp_create_context(card, skb, hdr);
4480 PRINT_WARN("could not create eddp context\n");
4484 int elems = qeth_get_elements_no(card,(void*) hdr, skb,
4488 elements_needed += elems;
4491 if (card->info.type != QETH_CARD_TYPE_IQD)
4492 rc = qeth_do_send_packet(card, queue, skb, hdr,
4493 elements_needed, ctx);
4495 rc = qeth_do_send_packet_fast(card, queue, skb, hdr,
4496 elements_needed, ctx);
4498 card->stats.tx_packets++;
4499 card->stats.tx_bytes += tx_bytes;
4500 #ifdef CONFIG_QETH_PERF_STATS
4501 if (skb_shinfo(skb)->tso_size &&
4502 !(large_send == QETH_LARGE_SEND_NO)) {
4503 card->perf_stats.large_send_bytes += skb->len;
4504 card->perf_stats.large_send_cnt++;
4506 if (skb_shinfo(skb)->nr_frags > 0){
4507 card->perf_stats.sg_skbs_sent++;
4508 /* nr_frags + skb->data */
4509 card->perf_stats.sg_frags_sent +=
4510 skb_shinfo(skb)->nr_frags + 1;
4512 #endif /* CONFIG_QETH_PERF_STATS */
4515 /* drop creator's reference */
4516 qeth_eddp_put_context(ctx);
4517 /* free skb; it's not referenced by a buffer */
4519 dev_kfree_skb_any(skb);
4526 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4528 struct qeth_card *card = (struct qeth_card *) dev->priv;
4532 case MII_BMCR: /* Basic mode control register */
4534 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4535 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4536 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4537 rc |= BMCR_SPEED100;
4539 case MII_BMSR: /* Basic mode status register */
4540 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4541 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4544 case MII_PHYSID1: /* PHYS ID 1 */
4545 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4547 rc = (rc >> 5) & 0xFFFF;
4549 case MII_PHYSID2: /* PHYS ID 2 */
4550 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4552 case MII_ADVERTISE: /* Advertisement control reg */
4555 case MII_LPA: /* Link partner ability reg */
4556 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4557 LPA_100BASE4 | LPA_LPACK;
4559 case MII_EXPANSION: /* Expansion register */
4561 case MII_DCOUNTER: /* disconnect counter */
4563 case MII_FCSCOUNTER: /* false carrier counter */
4565 case MII_NWAYTEST: /* N-way auto-neg test register */
4567 case MII_RERRCOUNTER: /* rx error counter */
4568 rc = card->stats.rx_errors;
4570 case MII_SREVISION: /* silicon revision */
4572 case MII_RESV1: /* reserved 1 */
4574 case MII_LBRERROR: /* loopback, rx, bypass error */
4576 case MII_PHYADDR: /* physical address */
4578 case MII_RESV2: /* reserved 2 */
4580 case MII_TPISTATUS: /* TPI status for 10mbps */
4582 case MII_NCONFIG: /* network interface config */
4591 static inline const char *
4592 qeth_arp_get_error_cause(int *rc)
4595 case QETH_IPA_ARP_RC_FAILED:
4597 return "operation failed";
4598 case QETH_IPA_ARP_RC_NOTSUPP:
4600 return "operation not supported";
4601 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4603 return "argument out of range";
4604 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4606 return "query operation not supported";
4607 case QETH_IPA_ARP_RC_Q_NO_DATA:
4609 return "no query data available";
4611 return "unknown error";
4616 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4620 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4625 QETH_DBF_TEXT(trace,3,"arpstnoe");
4628 * currently GuestLAN only supports the ARP assist function
4629 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4630 * thus we say EOPNOTSUPP for this ARP function
4632 if (card->info.guestlan)
4634 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4635 PRINT_WARN("ARP processing not supported "
4636 "on %s!\n", QETH_CARD_IFNAME(card));
4639 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4640 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4644 PRINT_WARN("Could not set number of ARP entries on %s: "
4646 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4653 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4654 struct qeth_arp_query_data *qdata,
4655 int entry_size, int uentry_size)
4661 entry_ptr = (char *)&qdata->data;
4662 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4663 for (i = 0; i < qdata->no_entries; ++i){
4664 /* strip off 32 bytes "media specific information" */
4665 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4666 entry_ptr += entry_size;
4667 uentry_ptr += uentry_size;
4672 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4675 struct qeth_ipa_cmd *cmd;
4676 struct qeth_arp_query_data *qdata;
4677 struct qeth_arp_query_info *qinfo;
4682 QETH_DBF_TEXT(trace,4,"arpquecb");
4684 qinfo = (struct qeth_arp_query_info *) reply->param;
4685 cmd = (struct qeth_ipa_cmd *) data;
4686 if (cmd->hdr.return_code) {
4687 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4690 if (cmd->data.setassparms.hdr.return_code) {
4691 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4692 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4695 qdata = &cmd->data.setassparms.data.query_arp;
4696 switch(qdata->reply_bits){
4698 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4699 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4700 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4703 /* fall through to default */
4705 /* tr is the same as eth -> entry7 */
4706 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4707 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4708 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4711 /* check if there is enough room in userspace */
4712 if ((qinfo->udata_len - qinfo->udata_offset) <
4713 qdata->no_entries * uentry_size){
4714 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4715 cmd->hdr.return_code = -ENOMEM;
4716 PRINT_WARN("query ARP user space buffer is too small for "
4717 "the returned number of ARP entries. "
4718 "Aborting query!\n");
4721 QETH_DBF_TEXT_(trace, 4, "anore%i",
4722 cmd->data.setassparms.hdr.number_of_replies);
4723 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4724 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4726 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4727 /* strip off "media specific information" */
4728 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4731 /*copy entries to user buffer*/
4732 memcpy(qinfo->udata + qinfo->udata_offset,
4733 (char *)&qdata->data, qdata->no_entries*uentry_size);
4735 qinfo->no_entries += qdata->no_entries;
4736 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4737 /* check if all replies received ... */
4738 if (cmd->data.setassparms.hdr.seq_no <
4739 cmd->data.setassparms.hdr.number_of_replies)
4741 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4742 /* keep STRIP_ENTRIES flag so the user program can distinguish
4743 * stripped entries from normal ones */
4744 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4745 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4746 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4750 memcpy(qinfo->udata, &i, 4);
4755 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4756 int len, int (*reply_cb)(struct qeth_card *,
4757 struct qeth_reply *,
4761 QETH_DBF_TEXT(trace,4,"sendarp");
4763 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4764 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4765 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4766 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4767 reply_cb, reply_param);
4771 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4772 int len, int (*reply_cb)(struct qeth_card *,
4773 struct qeth_reply *,
4779 QETH_DBF_TEXT(trace,4,"sendsnmp");
4781 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4782 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4783 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4784 /* adjust PDU length fields in IPA_PDU_HEADER */
4785 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4787 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4788 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4789 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4790 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4791 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4792 reply_cb, reply_param);
4795 static struct qeth_cmd_buffer *
4796 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4797 __u16, __u16, enum qeth_prot_versions);
4799 qeth_arp_query(struct qeth_card *card, char *udata)
4801 struct qeth_cmd_buffer *iob;
4802 struct qeth_arp_query_info qinfo = {0, };
4806 QETH_DBF_TEXT(trace,3,"arpquery");
4808 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4809 IPA_ARP_PROCESSING)) {
4810 PRINT_WARN("ARP processing not supported "
4811 "on %s!\n", QETH_CARD_IFNAME(card));
4814 /* get size of userspace buffer and mask_bits -> 6 bytes */
4815 if (copy_from_user(&qinfo, udata, 6))
4817 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
4819 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4820 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4821 IPA_CMD_ASS_ARP_QUERY_INFO,
4822 sizeof(int),QETH_PROT_IPV4);
4824 rc = qeth_send_ipa_arp_cmd(card, iob,
4825 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4826 qeth_arp_query_cb, (void *)&qinfo);
4829 PRINT_WARN("Error while querying ARP cache on %s: %s "
4831 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4833 copy_to_user(udata, qinfo.udata, 4);
4835 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4842 * SNMP command callback
4845 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4846 unsigned long sdata)
4848 struct qeth_ipa_cmd *cmd;
4849 struct qeth_arp_query_info *qinfo;
4850 struct qeth_snmp_cmd *snmp;
4851 unsigned char *data;
4854 QETH_DBF_TEXT(trace,3,"snpcmdcb");
4856 cmd = (struct qeth_ipa_cmd *) sdata;
4857 data = (unsigned char *)((char *)cmd - reply->offset);
4858 qinfo = (struct qeth_arp_query_info *) reply->param;
4859 snmp = &cmd->data.setadapterparms.data.snmp;
4861 if (cmd->hdr.return_code) {
4862 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4865 if (cmd->data.setadapterparms.hdr.return_code) {
4866 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4867 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4870 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4871 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4872 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4874 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4876 /* check if there is enough room in userspace */
4877 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4878 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4879 cmd->hdr.return_code = -ENOMEM;
4882 QETH_DBF_TEXT_(trace, 4, "snore%i",
4883 cmd->data.setadapterparms.hdr.used_total);
4884 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4885 /*copy entries to user buffer*/
4886 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4887 memcpy(qinfo->udata + qinfo->udata_offset,
4889 data_len + offsetof(struct qeth_snmp_cmd,data));
4890 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4892 memcpy(qinfo->udata + qinfo->udata_offset,
4893 (char *)&snmp->request, data_len);
4895 qinfo->udata_offset += data_len;
4896 /* check if all replies received ... */
4897 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4898 cmd->data.setadapterparms.hdr.used_total);
4899 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4900 cmd->data.setadapterparms.hdr.seq_no);
4901 if (cmd->data.setadapterparms.hdr.seq_no <
4902 cmd->data.setadapterparms.hdr.used_total)
4907 static struct qeth_cmd_buffer *
4908 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4909 enum qeth_prot_versions );
4911 static struct qeth_cmd_buffer *
4912 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4914 struct qeth_cmd_buffer *iob;
4915 struct qeth_ipa_cmd *cmd;
4917 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4919 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4920 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4921 cmd->data.setadapterparms.hdr.command_code = command;
4922 cmd->data.setadapterparms.hdr.used_total = 1;
4923 cmd->data.setadapterparms.hdr.seq_no = 1;
4929 * function to send SNMP commands to OSA-E card
4932 qeth_snmp_command(struct qeth_card *card, char *udata)
4934 struct qeth_cmd_buffer *iob;
4935 struct qeth_ipa_cmd *cmd;
4936 struct qeth_snmp_ureq *ureq;
4938 struct qeth_arp_query_info qinfo = {0, };
4941 QETH_DBF_TEXT(trace,3,"snmpcmd");
4943 if (card->info.guestlan)
4946 if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4947 (!card->options.layer2) ) {
4948 PRINT_WARN("SNMP Query MIBS not supported "
4949 "on %s!\n", QETH_CARD_IFNAME(card));
4952 /* skip 4 bytes (data_len struct member) to get req_len */
4953 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4955 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4957 QETH_DBF_TEXT(trace, 2, "snmpnome");
4960 if (copy_from_user(ureq, udata,
4961 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
4965 qinfo.udata_len = ureq->hdr.data_len;
4966 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
4970 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4972 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4973 QETH_SNMP_SETADP_CMDLENGTH + req_len);
4974 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4975 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4976 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4977 qeth_snmp_command_cb, (void *)&qinfo);
4979 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4980 QETH_CARD_IFNAME(card), rc);
4982 copy_to_user(udata, qinfo.udata, qinfo.udata_len);
4990 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
4994 qeth_default_setadapterparms_cb(struct qeth_card *card,
4995 struct qeth_reply *reply,
4996 unsigned long data);
4998 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5001 (struct qeth_card *, struct qeth_reply *, unsigned long),
5005 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5007 struct qeth_cmd_buffer *iob;
5012 QETH_DBF_TEXT(trace,3,"arpadent");
5015 * currently GuestLAN only supports the ARP assist function
5016 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5017 * thus we say EOPNOTSUPP for this ARP function
5019 if (card->info.guestlan)
5021 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5022 PRINT_WARN("ARP processing not supported "
5023 "on %s!\n", QETH_CARD_IFNAME(card));
5027 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5028 IPA_CMD_ASS_ARP_ADD_ENTRY,
5029 sizeof(struct qeth_arp_cache_entry),
5031 rc = qeth_send_setassparms(card, iob,
5032 sizeof(struct qeth_arp_cache_entry),
5033 (unsigned long) entry,
5034 qeth_default_setassparms_cb, NULL);
5037 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5038 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5040 buf, QETH_CARD_IFNAME(card),
5041 qeth_arp_get_error_cause(&rc), tmp, tmp);
5047 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5049 struct qeth_cmd_buffer *iob;
5050 char buf[16] = {0, };
5054 QETH_DBF_TEXT(trace,3,"arprment");
5057 * currently GuestLAN only supports the ARP assist function
5058 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5059 * thus we say EOPNOTSUPP for this ARP function
5061 if (card->info.guestlan)
5063 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5064 PRINT_WARN("ARP processing not supported "
5065 "on %s!\n", QETH_CARD_IFNAME(card));
5068 memcpy(buf, entry, 12);
5069 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5070 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5073 rc = qeth_send_setassparms(card, iob,
5074 12, (unsigned long)buf,
5075 qeth_default_setassparms_cb, NULL);
5079 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5080 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5082 buf, QETH_CARD_IFNAME(card),
5083 qeth_arp_get_error_cause(&rc), tmp, tmp);
5089 qeth_arp_flush_cache(struct qeth_card *card)
5094 QETH_DBF_TEXT(trace,3,"arpflush");
5097 * currently GuestLAN only supports the ARP assist function
5098 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5099 * thus we say EOPNOTSUPP for this ARP function
5101 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5103 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5104 PRINT_WARN("ARP processing not supported "
5105 "on %s!\n", QETH_CARD_IFNAME(card));
5108 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5109 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5112 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5113 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5120 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5122 struct qeth_card *card = (struct qeth_card *)dev->priv;
5123 struct qeth_arp_cache_entry arp_entry;
5124 struct mii_ioctl_data *mii_data;
5130 if ((card->state != CARD_STATE_UP) &&
5131 (card->state != CARD_STATE_SOFTSETUP))
5134 if (card->info.type == QETH_CARD_TYPE_OSN)
5138 case SIOC_QETH_ARP_SET_NO_ENTRIES:
5139 if ( !capable(CAP_NET_ADMIN) ||
5140 (card->options.layer2) ) {
5144 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5146 case SIOC_QETH_ARP_QUERY_INFO:
5147 if ( !capable(CAP_NET_ADMIN) ||
5148 (card->options.layer2) ) {
5152 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5154 case SIOC_QETH_ARP_ADD_ENTRY:
5155 if ( !capable(CAP_NET_ADMIN) ||
5156 (card->options.layer2) ) {
5160 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5161 sizeof(struct qeth_arp_cache_entry)))
5164 rc = qeth_arp_add_entry(card, &arp_entry);
5166 case SIOC_QETH_ARP_REMOVE_ENTRY:
5167 if ( !capable(CAP_NET_ADMIN) ||
5168 (card->options.layer2) ) {
5172 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5173 sizeof(struct qeth_arp_cache_entry)))
5176 rc = qeth_arp_remove_entry(card, &arp_entry);
5178 case SIOC_QETH_ARP_FLUSH_CACHE:
5179 if ( !capable(CAP_NET_ADMIN) ||
5180 (card->options.layer2) ) {
5184 rc = qeth_arp_flush_cache(card);
5186 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5187 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5189 case SIOC_QETH_GET_CARD_TYPE:
5190 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5191 !card->info.guestlan)
5196 mii_data = if_mii(rq);
5197 mii_data->phy_id = 0;
5200 mii_data = if_mii(rq);
5201 if (mii_data->phy_id != 0)
5204 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5211 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5215 static struct net_device_stats *
5216 qeth_get_stats(struct net_device *dev)
5218 struct qeth_card *card;
5220 card = (struct qeth_card *) (dev->priv);
5222 QETH_DBF_TEXT(trace,5,"getstat");
5224 return &card->stats;
5228 qeth_change_mtu(struct net_device *dev, int new_mtu)
5230 struct qeth_card *card;
5233 card = (struct qeth_card *) (dev->priv);
5235 QETH_DBF_TEXT(trace,4,"chgmtu");
5236 sprintf(dbf_text, "%8x", new_mtu);
5237 QETH_DBF_TEXT(trace,4,dbf_text);
5241 if (new_mtu > 65535)
5243 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5244 (!qeth_mtu_is_valid(card, new_mtu)))
5250 #ifdef CONFIG_QETH_VLAN
5252 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5254 struct qeth_card *card;
5255 unsigned long flags;
5257 QETH_DBF_TEXT(trace,4,"vlanreg");
5259 card = (struct qeth_card *) dev->priv;
5260 spin_lock_irqsave(&card->vlanlock, flags);
5261 card->vlangrp = grp;
5262 spin_unlock_irqrestore(&card->vlanlock, flags);
5266 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5270 struct sk_buff *skb;
5271 struct sk_buff_head tmp_list;
5273 skb_queue_head_init(&tmp_list);
5274 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5275 while ((skb = skb_dequeue(&buf->skb_list))){
5276 if (vlan_tx_tag_present(skb) &&
5277 (vlan_tx_tag_get(skb) == vid)) {
5278 atomic_dec(&skb->users);
5281 skb_queue_tail(&tmp_list, skb);
5284 while ((skb = skb_dequeue(&tmp_list)))
5285 skb_queue_tail(&buf->skb_list, skb);
5289 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5293 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5294 for (i = 0; i < card->qdio.no_out_queues; ++i){
5295 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5296 qeth_free_vlan_buffer(card, &card->qdio.
5297 out_qs[i]->bufs[j], vid);
5302 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5304 struct in_device *in_dev;
5305 struct in_ifaddr *ifa;
5306 struct qeth_ipaddr *addr;
5308 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5311 in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
5314 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5315 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5317 addr->u.a4.addr = ifa->ifa_address;
5318 addr->u.a4.mask = ifa->ifa_mask;
5319 addr->type = QETH_IP_TYPE_NORMAL;
5320 if (!qeth_delete_ip(card, addr))
5329 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5331 #ifdef CONFIG_QETH_IPV6
5332 struct inet6_dev *in6_dev;
5333 struct inet6_ifaddr *ifa;
5334 struct qeth_ipaddr *addr;
5336 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5338 in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]);
5341 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5342 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5344 memcpy(&addr->u.a6.addr, &ifa->addr,
5345 sizeof(struct in6_addr));
5346 addr->u.a6.pfxlen = ifa->prefix_len;
5347 addr->type = QETH_IP_TYPE_NORMAL;
5348 if (!qeth_delete_ip(card, addr))
5352 in6_dev_put(in6_dev);
5353 #endif /* CONFIG_QETH_IPV6 */
5357 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5359 if (card->options.layer2 || !card->vlangrp)
5361 qeth_free_vlan_addresses4(card, vid);
5362 qeth_free_vlan_addresses6(card, vid);
5366 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5367 struct qeth_reply *reply,
5370 struct qeth_ipa_cmd *cmd;
5372 QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5373 cmd = (struct qeth_ipa_cmd *) data;
5374 if (cmd->hdr.return_code) {
5375 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5376 "Continuing\n",cmd->data.setdelvlan.vlan_id,
5377 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5378 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5379 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5380 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5386 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5387 enum qeth_ipa_cmds ipacmd)
5389 struct qeth_ipa_cmd *cmd;
5390 struct qeth_cmd_buffer *iob;
5392 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5393 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5394 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5395 cmd->data.setdelvlan.vlan_id = i;
5396 return qeth_send_ipa_cmd(card, iob,
5397 qeth_layer2_send_setdelvlan_cb, NULL);
5401 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5405 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5409 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5410 if (card->vlangrp->vlan_devices[i] == NULL)
5413 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5415 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5419 /*add_vid is layer 2 used only ....*/
5421 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5423 struct qeth_card *card;
5425 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5427 card = (struct qeth_card *) dev->priv;
5428 if (!card->options.layer2)
5430 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5433 /*... kill_vid used for both modes*/
5435 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5437 struct qeth_card *card;
5438 unsigned long flags;
5440 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5442 card = (struct qeth_card *) dev->priv;
5443 /* free all skbs for the vlan device */
5444 qeth_free_vlan_skbs(card, vid);
5445 spin_lock_irqsave(&card->vlanlock, flags);
5446 /* unregister IP addresses of vlan device */
5447 qeth_free_vlan_addresses(card, vid);
5449 card->vlangrp->vlan_devices[vid] = NULL;
5450 spin_unlock_irqrestore(&card->vlanlock, flags);
5451 if (card->options.layer2)
5452 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5453 qeth_set_multicast_list(card->dev);
5457 * Examine hardware response to SET_PROMISC_MODE
5460 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5461 struct qeth_reply *reply,
5464 struct qeth_ipa_cmd *cmd;
5465 struct qeth_ipacmd_setadpparms *setparms;
5467 QETH_DBF_TEXT(trace,4,"prmadpcb");
5469 cmd = (struct qeth_ipa_cmd *) data;
5470 setparms = &(cmd->data.setadapterparms);
5472 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5473 if (cmd->hdr.return_code) {
5474 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5475 setparms->data.mode = SET_PROMISC_MODE_OFF;
5477 card->info.promisc_mode = setparms->data.mode;
5481 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5484 qeth_setadp_promisc_mode(struct qeth_card *card)
5486 enum qeth_ipa_promisc_modes mode;
5487 struct net_device *dev = card->dev;
5488 struct qeth_cmd_buffer *iob;
5489 struct qeth_ipa_cmd *cmd;
5491 QETH_DBF_TEXT(trace, 4, "setprom");
5493 if (((dev->flags & IFF_PROMISC) &&
5494 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5495 (!(dev->flags & IFF_PROMISC) &&
5496 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5498 mode = SET_PROMISC_MODE_OFF;
5499 if (dev->flags & IFF_PROMISC)
5500 mode = SET_PROMISC_MODE_ON;
5501 QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5503 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5504 sizeof(struct qeth_ipacmd_setadpparms));
5505 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5506 cmd->data.setadapterparms.data.mode = mode;
5507 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5511 * set multicast address on card
5514 qeth_set_multicast_list(struct net_device *dev)
5516 struct qeth_card *card = (struct qeth_card *) dev->priv;
5518 if (card->info.type == QETH_CARD_TYPE_OSN)
5521 QETH_DBF_TEXT(trace, 3, "setmulti");
5522 qeth_delete_mc_addresses(card);
5523 if (card->options.layer2) {
5524 qeth_layer2_add_multicast(card);
5527 qeth_add_multicast_ipv4(card);
5528 #ifdef CONFIG_QETH_IPV6
5529 qeth_add_multicast_ipv6(card);
5532 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
5533 schedule_work(&card->kernel_thread_starter);
5534 if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5536 if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0)
5537 schedule_work(&card->kernel_thread_starter);
5541 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5547 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5549 if (dev->type == ARPHRD_IEEE802_TR)
5550 ip_tr_mc_map(ipm, mac);
5552 ip_eth_mc_map(ipm, mac);
5555 static struct qeth_ipaddr *
5556 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5558 struct qeth_ipaddr *addr;
5560 addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5562 PRINT_WARN("Not enough memory to add address\n");
5565 addr->type = QETH_IP_TYPE_NORMAL;
5571 qeth_osn_assist(struct net_device *dev,
5575 struct qeth_cmd_buffer *iob;
5576 struct qeth_card *card;
5579 QETH_DBF_TEXT(trace, 2, "osnsdmc");
5582 card = (struct qeth_card *)dev->priv;
5585 if ((card->state != CARD_STATE_UP) &&
5586 (card->state != CARD_STATE_SOFTSETUP))
5588 iob = qeth_wait_for_buffer(&card->write);
5589 memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5590 rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5594 static struct net_device *
5595 qeth_netdev_by_devno(unsigned char *read_dev_no)
5597 struct qeth_card *card;
5598 struct net_device *ndev;
5599 unsigned char *readno;
5600 __u16 temp_dev_no, card_dev_no;
5602 unsigned long flags;
5605 memcpy(&temp_dev_no, read_dev_no, 2);
5606 read_lock_irqsave(&qeth_card_list.rwlock, flags);
5607 list_for_each_entry(card, &qeth_card_list.list, list) {
5608 readno = CARD_RDEV_ID(card);
5609 readno += (strlen(readno) - 4);
5610 card_dev_no = simple_strtoul(readno, &endp, 16);
5611 if (card_dev_no == temp_dev_no) {
5616 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5621 qeth_osn_register(unsigned char *read_dev_no,
5622 struct net_device **dev,
5623 int (*assist_cb)(struct net_device *, void *),
5624 int (*data_cb)(struct sk_buff *))
5626 struct qeth_card * card;
5628 QETH_DBF_TEXT(trace, 2, "osnreg");
5629 *dev = qeth_netdev_by_devno(read_dev_no);
5632 card = (struct qeth_card *)(*dev)->priv;
5635 if ((assist_cb == NULL) || (data_cb == NULL))
5637 card->osn_info.assist_cb = assist_cb;
5638 card->osn_info.data_cb = data_cb;
5643 qeth_osn_deregister(struct net_device * dev)
5645 struct qeth_card *card;
5647 QETH_DBF_TEXT(trace, 2, "osndereg");
5650 card = (struct qeth_card *)dev->priv;
5653 card->osn_info.assist_cb = NULL;
5654 card->osn_info.data_cb = NULL;
5659 qeth_delete_mc_addresses(struct qeth_card *card)
5661 struct qeth_ipaddr *iptodo;
5662 unsigned long flags;
5664 QETH_DBF_TEXT(trace,4,"delmc");
5665 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5667 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5670 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5671 spin_lock_irqsave(&card->ip_lock, flags);
5672 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5674 spin_unlock_irqrestore(&card->ip_lock, flags);
5678 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5680 struct qeth_ipaddr *ipm;
5681 struct ip_mc_list *im4;
5682 char buf[MAX_ADDR_LEN];
5684 QETH_DBF_TEXT(trace,4,"addmc");
5685 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5686 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5687 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5690 ipm->u.a4.addr = im4->multiaddr;
5691 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5692 ipm->is_multicast = 1;
5693 if (!qeth_add_ip(card,ipm))
5699 qeth_add_vlan_mc(struct qeth_card *card)
5701 #ifdef CONFIG_QETH_VLAN
5702 struct in_device *in_dev;
5703 struct vlan_group *vg;
5706 QETH_DBF_TEXT(trace,4,"addmcvl");
5707 if ( ((card->options.layer2 == 0) &&
5708 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5709 (card->vlangrp == NULL) )
5713 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5714 if (vg->vlan_devices[i] == NULL ||
5715 !(vg->vlan_devices[i]->flags & IFF_UP))
5717 in_dev = in_dev_get(vg->vlan_devices[i]);
5720 read_lock(&in_dev->mc_list_lock);
5721 qeth_add_mc(card,in_dev);
5722 read_unlock(&in_dev->mc_list_lock);
5729 qeth_add_multicast_ipv4(struct qeth_card *card)
5731 struct in_device *in4_dev;
5733 QETH_DBF_TEXT(trace,4,"chkmcv4");
5734 in4_dev = in_dev_get(card->dev);
5735 if (in4_dev == NULL)
5737 read_lock(&in4_dev->mc_list_lock);
5738 qeth_add_mc(card, in4_dev);
5739 qeth_add_vlan_mc(card);
5740 read_unlock(&in4_dev->mc_list_lock);
5741 in_dev_put(in4_dev);
5745 qeth_layer2_add_multicast(struct qeth_card *card)
5747 struct qeth_ipaddr *ipm;
5748 struct dev_mc_list *dm;
5750 QETH_DBF_TEXT(trace,4,"L2addmc");
5751 for (dm = card->dev->mc_list; dm; dm = dm->next) {
5752 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5755 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5756 ipm->is_multicast = 1;
5757 if (!qeth_add_ip(card, ipm))
5762 #ifdef CONFIG_QETH_IPV6
5764 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5766 struct qeth_ipaddr *ipm;
5767 struct ifmcaddr6 *im6;
5768 char buf[MAX_ADDR_LEN];
5770 QETH_DBF_TEXT(trace,4,"addmc6");
5771 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5772 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5773 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5776 ipm->is_multicast = 1;
5777 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5778 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5779 sizeof(struct in6_addr));
5780 if (!qeth_add_ip(card,ipm))
5786 qeth_add_vlan_mc6(struct qeth_card *card)
5788 #ifdef CONFIG_QETH_VLAN
5789 struct inet6_dev *in_dev;
5790 struct vlan_group *vg;
5793 QETH_DBF_TEXT(trace,4,"admc6vl");
5794 if ( ((card->options.layer2 == 0) &&
5795 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5796 (card->vlangrp == NULL))
5800 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5801 if (vg->vlan_devices[i] == NULL ||
5802 !(vg->vlan_devices[i]->flags & IFF_UP))
5804 in_dev = in6_dev_get(vg->vlan_devices[i]);
5807 read_lock(&in_dev->lock);
5808 qeth_add_mc6(card,in_dev);
5809 read_unlock(&in_dev->lock);
5810 in6_dev_put(in_dev);
5812 #endif /* CONFIG_QETH_VLAN */
5816 qeth_add_multicast_ipv6(struct qeth_card *card)
5818 struct inet6_dev *in6_dev;
5820 QETH_DBF_TEXT(trace,4,"chkmcv6");
5821 if (!qeth_is_supported(card, IPA_IPV6))
5823 in6_dev = in6_dev_get(card->dev);
5824 if (in6_dev == NULL)
5826 read_lock(&in6_dev->lock);
5827 qeth_add_mc6(card, in6_dev);
5828 qeth_add_vlan_mc6(card);
5829 read_unlock(&in6_dev->lock);
5830 in6_dev_put(in6_dev);
5832 #endif /* CONFIG_QETH_IPV6 */
5835 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5836 enum qeth_ipa_cmds ipacmd,
5837 int (*reply_cb) (struct qeth_card *,
5841 struct qeth_ipa_cmd *cmd;
5842 struct qeth_cmd_buffer *iob;
5844 QETH_DBF_TEXT(trace, 2, "L2sdmac");
5845 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5846 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5847 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5848 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5849 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5853 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5854 struct qeth_reply *reply,
5857 struct qeth_ipa_cmd *cmd;
5860 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5861 cmd = (struct qeth_ipa_cmd *) data;
5862 mac = &cmd->data.setdelmac.mac[0];
5863 /* MAC already registered, needed in couple/uncouple case */
5864 if (cmd->hdr.return_code == 0x2005) {
5865 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5866 "already existing on %s \n",
5867 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5868 QETH_CARD_IFNAME(card));
5869 cmd->hdr.return_code = 0;
5871 if (cmd->hdr.return_code)
5872 PRINT_ERR("Could not set group MAC " \
5873 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5874 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5875 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5880 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5882 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5883 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5884 qeth_layer2_send_setgroupmac_cb);
5888 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5889 struct qeth_reply *reply,
5892 struct qeth_ipa_cmd *cmd;
5895 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5896 cmd = (struct qeth_ipa_cmd *) data;
5897 mac = &cmd->data.setdelmac.mac[0];
5898 if (cmd->hdr.return_code)
5899 PRINT_ERR("Could not delete group MAC " \
5900 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5901 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5902 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5907 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5909 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5910 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5911 qeth_layer2_send_delgroupmac_cb);
5915 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5916 struct qeth_reply *reply,
5919 struct qeth_ipa_cmd *cmd;
5921 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5922 cmd = (struct qeth_ipa_cmd *) data;
5923 if (cmd->hdr.return_code) {
5924 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5925 PRINT_WARN("Error in registering MAC address on " \
5926 "device %s: x%x\n", CARD_BUS_ID(card),
5927 cmd->hdr.return_code);
5928 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5929 cmd->hdr.return_code = -EIO;
5931 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5932 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5934 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5935 "successfully registered on device %s\n",
5936 card->dev->dev_addr[0], card->dev->dev_addr[1],
5937 card->dev->dev_addr[2], card->dev->dev_addr[3],
5938 card->dev->dev_addr[4], card->dev->dev_addr[5],
5945 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5947 QETH_DBF_TEXT(trace, 2, "L2Setmac");
5948 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5949 qeth_layer2_send_setmac_cb);
5953 qeth_layer2_send_delmac_cb(struct qeth_card *card,
5954 struct qeth_reply *reply,
5957 struct qeth_ipa_cmd *cmd;
5959 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
5960 cmd = (struct qeth_ipa_cmd *) data;
5961 if (cmd->hdr.return_code) {
5962 PRINT_WARN("Error in deregistering MAC address on " \
5963 "device %s: x%x\n", CARD_BUS_ID(card),
5964 cmd->hdr.return_code);
5965 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5966 cmd->hdr.return_code = -EIO;
5969 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5974 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
5976 QETH_DBF_TEXT(trace, 2, "L2Delmac");
5977 if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
5979 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
5980 qeth_layer2_send_delmac_cb);
5984 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
5986 struct sockaddr *addr = p;
5987 struct qeth_card *card;
5990 QETH_DBF_TEXT(trace, 3, "setmac");
5992 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
5993 QETH_DBF_TEXT(trace, 3, "setmcINV");
5996 card = (struct qeth_card *) dev->priv;
5998 if (!card->options.layer2) {
5999 PRINT_WARN("Setting MAC address on %s is not supported "
6000 "in Layer 3 mode.\n", dev->name);
6001 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6004 if (card->info.type == QETH_CARD_TYPE_OSN) {
6005 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6007 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6010 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6011 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6012 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6014 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6019 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6020 __u8 command, enum qeth_prot_versions prot)
6022 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6023 cmd->hdr.command = command;
6024 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6025 cmd->hdr.seqno = card->seqno.ipa;
6026 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6027 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6028 if (card->options.layer2)
6029 cmd->hdr.prim_version_no = 2;
6031 cmd->hdr.prim_version_no = 1;
6032 cmd->hdr.param_count = 1;
6033 cmd->hdr.prot_version = prot;
6034 cmd->hdr.ipa_supported = 0;
6035 cmd->hdr.ipa_enabled = 0;
6038 static struct qeth_cmd_buffer *
6039 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6040 enum qeth_prot_versions prot)
6042 struct qeth_cmd_buffer *iob;
6043 struct qeth_ipa_cmd *cmd;
6045 iob = qeth_wait_for_buffer(&card->write);
6046 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6047 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6053 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6056 struct qeth_cmd_buffer *iob;
6057 struct qeth_ipa_cmd *cmd;
6059 QETH_DBF_TEXT(trace,4,"setdelmc");
6061 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6062 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6063 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6064 if (addr->proto == QETH_PROT_IPV6)
6065 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6066 sizeof(struct in6_addr));
6068 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6070 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6075 qeth_fill_netmask(u8 *netmask, unsigned int len)
6078 for (i=0;i<16;i++) {
6083 netmask[i] = (u8)(0xFF00>>j);
6090 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6091 int ipacmd, unsigned int flags)
6094 struct qeth_cmd_buffer *iob;
6095 struct qeth_ipa_cmd *cmd;
6098 QETH_DBF_TEXT(trace,4,"setdelip");
6099 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6101 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6102 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6103 if (addr->proto == QETH_PROT_IPV6) {
6104 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6105 sizeof(struct in6_addr));
6106 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6107 memcpy(cmd->data.setdelip6.mask, netmask,
6108 sizeof(struct in6_addr));
6109 cmd->data.setdelip6.flags = flags;
6111 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6112 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6113 cmd->data.setdelip4.flags = flags;
6116 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6122 qeth_layer2_register_addr_entry(struct qeth_card *card,
6123 struct qeth_ipaddr *addr)
6125 if (!addr->is_multicast)
6127 QETH_DBF_TEXT(trace, 2, "setgmac");
6128 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6129 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6133 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6134 struct qeth_ipaddr *addr)
6136 if (!addr->is_multicast)
6138 QETH_DBF_TEXT(trace, 2, "delgmac");
6139 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6140 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6144 qeth_layer3_register_addr_entry(struct qeth_card *card,
6145 struct qeth_ipaddr *addr)
6151 if (addr->proto == QETH_PROT_IPV4) {
6152 QETH_DBF_TEXT(trace, 2,"setaddr4");
6153 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6154 } else if (addr->proto == QETH_PROT_IPV6) {
6155 QETH_DBF_TEXT(trace, 2, "setaddr6");
6156 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6157 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6159 QETH_DBF_TEXT(trace, 2, "setaddr?");
6160 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6163 if (addr->is_multicast)
6164 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6166 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6169 QETH_DBF_TEXT(trace, 2, "failed");
6170 } while ((--cnt > 0) && rc);
6172 QETH_DBF_TEXT(trace, 2, "FAILED");
6173 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6174 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6181 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6182 struct qeth_ipaddr *addr)
6187 if (addr->proto == QETH_PROT_IPV4) {
6188 QETH_DBF_TEXT(trace, 2,"deladdr4");
6189 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6190 } else if (addr->proto == QETH_PROT_IPV6) {
6191 QETH_DBF_TEXT(trace, 2, "deladdr6");
6192 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6193 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6195 QETH_DBF_TEXT(trace, 2, "deladdr?");
6196 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6198 if (addr->is_multicast)
6199 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6201 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6204 QETH_DBF_TEXT(trace, 2, "failed");
6205 /* TODO: re-activate this warning as soon as we have a
6207 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6208 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6216 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6218 if (card->options.layer2)
6219 return qeth_layer2_register_addr_entry(card, addr);
6221 return qeth_layer3_register_addr_entry(card, addr);
6225 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6227 if (card->options.layer2)
6228 return qeth_layer2_deregister_addr_entry(card, addr);
6230 return qeth_layer3_deregister_addr_entry(card, addr);
6234 qeth_ethtool_get_tx_csum(struct net_device *dev)
6236 /* We may need to say that we support tx csum offload if
6237 * we do EDDP or TSO. There are discussions going on to
6238 * enforce rules in the stack and in ethtool that make
6239 * SG and TSO depend on HW_CSUM. At the moment there are
6241 * If we say yes here, we have to checksum outbound packets
6247 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6253 qeth_ethtool_get_rx_csum(struct net_device *dev)
6255 struct qeth_card *card = (struct qeth_card *)dev->priv;
6257 return (card->options.checksum_type == HW_CHECKSUMMING);
6261 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6263 struct qeth_card *card = (struct qeth_card *)dev->priv;
6265 if ((card->state != CARD_STATE_DOWN) &&
6266 (card->state != CARD_STATE_RECOVER))
6269 card->options.checksum_type = HW_CHECKSUMMING;
6271 card->options.checksum_type = SW_CHECKSUMMING;
6276 qeth_ethtool_get_sg(struct net_device *dev)
6278 struct qeth_card *card = (struct qeth_card *)dev->priv;
6280 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6281 (dev->features & NETIF_F_SG));
6285 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6287 struct qeth_card *card = (struct qeth_card *)dev->priv;
6290 if (card->options.large_send != QETH_LARGE_SEND_NO)
6291 dev->features |= NETIF_F_SG;
6293 dev->features &= ~NETIF_F_SG;
6297 dev->features &= ~NETIF_F_SG;
6302 qeth_ethtool_get_tso(struct net_device *dev)
6304 struct qeth_card *card = (struct qeth_card *)dev->priv;
6306 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6307 (dev->features & NETIF_F_TSO));
6311 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6313 struct qeth_card *card = (struct qeth_card *)dev->priv;
6316 if (card->options.large_send != QETH_LARGE_SEND_NO)
6317 dev->features |= NETIF_F_TSO;
6319 dev->features &= ~NETIF_F_TSO;
6323 dev->features &= ~NETIF_F_TSO;
6327 static struct ethtool_ops qeth_ethtool_ops = {
6328 .get_tx_csum = qeth_ethtool_get_tx_csum,
6329 .set_tx_csum = qeth_ethtool_set_tx_csum,
6330 .get_rx_csum = qeth_ethtool_get_rx_csum,
6331 .set_rx_csum = qeth_ethtool_set_rx_csum,
6332 .get_sg = qeth_ethtool_get_sg,
6333 .set_sg = qeth_ethtool_set_sg,
6334 .get_tso = qeth_ethtool_get_tso,
6335 .set_tso = qeth_ethtool_set_tso,
6339 qeth_netdev_init(struct net_device *dev)
6341 struct qeth_card *card;
6343 card = (struct qeth_card *) dev->priv;
6345 QETH_DBF_TEXT(trace,3,"initdev");
6347 dev->tx_timeout = &qeth_tx_timeout;
6348 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6349 dev->open = qeth_open;
6350 dev->stop = qeth_stop;
6351 dev->hard_start_xmit = qeth_hard_start_xmit;
6352 dev->do_ioctl = qeth_do_ioctl;
6353 dev->get_stats = qeth_get_stats;
6354 dev->change_mtu = qeth_change_mtu;
6355 dev->neigh_setup = qeth_neigh_setup;
6356 dev->set_multicast_list = qeth_set_multicast_list;
6357 #ifdef CONFIG_QETH_VLAN
6358 dev->vlan_rx_register = qeth_vlan_rx_register;
6359 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6360 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6362 dev->hard_header = card->orig_hard_header;
6363 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6364 dev->rebuild_header = NULL;
6365 dev->hard_header = NULL;
6366 if (card->options.fake_ll)
6367 dev->hard_header = qeth_fake_header;
6368 dev->header_cache_update = NULL;
6369 dev->hard_header_cache = NULL;
6371 #ifdef CONFIG_QETH_IPV6
6372 /*IPv6 address autoconfiguration stuff*/
6373 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6374 card->dev->dev_id = card->info.unique_id & 0xffff;
6376 dev->hard_header_parse = NULL;
6377 dev->set_mac_address = qeth_layer2_set_mac_address;
6378 dev->flags |= qeth_get_netdev_flags(card);
6379 if ((card->options.fake_broadcast) ||
6380 (card->info.broadcast_capable))
6381 dev->flags |= IFF_BROADCAST;
6382 dev->hard_header_len =
6383 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6384 dev->addr_len = OSA_ADDR_LEN;
6385 dev->mtu = card->info.initial_mtu;
6386 if (card->info.type != QETH_CARD_TYPE_OSN)
6387 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6388 SET_MODULE_OWNER(dev);
6393 qeth_init_func_level(struct qeth_card *card)
6395 if (card->ipato.enabled) {
6396 if (card->info.type == QETH_CARD_TYPE_IQD)
6397 card->info.func_level =
6398 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6400 card->info.func_level =
6401 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6403 if (card->info.type == QETH_CARD_TYPE_IQD)
6404 /*FIXME:why do we have same values for dis and ena for osae??? */
6405 card->info.func_level =
6406 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6408 card->info.func_level =
6409 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6414 * hardsetup card, initialize MPC and QDIO stuff
6417 qeth_hardsetup_card(struct qeth_card *card)
6422 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6426 PRINT_WARN("Retrying to do IDX activates.\n");
6427 ccw_device_set_offline(CARD_DDEV(card));
6428 ccw_device_set_offline(CARD_WDEV(card));
6429 ccw_device_set_offline(CARD_RDEV(card));
6430 ccw_device_set_online(CARD_RDEV(card));
6431 ccw_device_set_online(CARD_WDEV(card));
6432 ccw_device_set_online(CARD_DDEV(card));
6434 rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6435 if (rc == -ERESTARTSYS) {
6436 QETH_DBF_TEXT(setup, 2, "break1");
6439 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6445 if ((rc = qeth_get_unitaddr(card))){
6446 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6449 qeth_init_tokens(card);
6450 qeth_init_func_level(card);
6451 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6452 if (rc == -ERESTARTSYS) {
6453 QETH_DBF_TEXT(setup, 2, "break2");
6456 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6462 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6463 if (rc == -ERESTARTSYS) {
6464 QETH_DBF_TEXT(setup, 2, "break3");
6467 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6473 if ((rc = qeth_mpc_initialize(card))){
6474 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6477 /*network device will be recovered*/
6479 card->dev->hard_header = card->orig_hard_header;
6482 /* at first set_online allocate netdev */
6483 card->dev = qeth_get_netdevice(card->info.type,
6484 card->info.link_type);
6486 qeth_qdio_clear_card(card, card->info.type !=
6487 QETH_CARD_TYPE_IQD);
6489 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6492 card->dev->priv = card;
6493 card->orig_hard_header = card->dev->hard_header;
6494 card->dev->type = qeth_get_arphdr_type(card->info.type,
6495 card->info.link_type);
6496 card->dev->init = qeth_netdev_init;
6499 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6504 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6507 struct qeth_ipa_cmd *cmd;
6509 QETH_DBF_TEXT(trace,4,"defadpcb");
6511 cmd = (struct qeth_ipa_cmd *) data;
6512 if (cmd->hdr.return_code == 0){
6513 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6514 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6515 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6516 #ifdef CONFIG_QETH_IPV6
6517 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6518 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6521 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6522 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6523 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6524 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6530 qeth_default_setadapterparms_cb(struct qeth_card *card,
6531 struct qeth_reply *reply,
6534 struct qeth_ipa_cmd *cmd;
6536 QETH_DBF_TEXT(trace,4,"defadpcb");
6538 cmd = (struct qeth_ipa_cmd *) data;
6539 if (cmd->hdr.return_code == 0)
6540 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6547 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6550 struct qeth_ipa_cmd *cmd;
6552 QETH_DBF_TEXT(trace,3,"quyadpcb");
6554 cmd = (struct qeth_ipa_cmd *) data;
6555 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6556 card->info.link_type =
6557 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6558 card->options.adp.supported_funcs =
6559 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6560 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6564 qeth_query_setadapterparms(struct qeth_card *card)
6567 struct qeth_cmd_buffer *iob;
6569 QETH_DBF_TEXT(trace,3,"queryadp");
6570 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6571 sizeof(struct qeth_ipacmd_setadpparms));
6572 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6577 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6578 struct qeth_reply *reply,
6581 struct qeth_ipa_cmd *cmd;
6583 QETH_DBF_TEXT(trace,4,"chgmaccb");
6585 cmd = (struct qeth_ipa_cmd *) data;
6586 if (!card->options.layer2 || card->info.guestlan ||
6587 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6588 memcpy(card->dev->dev_addr,
6589 &cmd->data.setadapterparms.data.change_addr.addr,
6591 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6593 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6598 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6601 struct qeth_cmd_buffer *iob;
6602 struct qeth_ipa_cmd *cmd;
6604 QETH_DBF_TEXT(trace,4,"chgmac");
6606 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6607 sizeof(struct qeth_ipacmd_setadpparms));
6608 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6609 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6610 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6611 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6612 card->dev->dev_addr, OSA_ADDR_LEN);
6613 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6619 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6622 struct qeth_cmd_buffer *iob;
6623 struct qeth_ipa_cmd *cmd;
6625 QETH_DBF_TEXT(trace,4,"adpmode");
6627 iob = qeth_get_adapter_cmd(card, command,
6628 sizeof(struct qeth_ipacmd_setadpparms));
6629 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6630 cmd->data.setadapterparms.data.mode = mode;
6631 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6637 qeth_setadapter_hstr(struct qeth_card *card)
6641 QETH_DBF_TEXT(trace,4,"adphstr");
6643 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6644 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6645 card->options.broadcast_mode);
6647 PRINT_WARN("couldn't set broadcast mode on "
6649 CARD_BUS_ID(card), rc);
6650 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6651 card->options.macaddr_mode);
6653 PRINT_WARN("couldn't set macaddr mode on "
6654 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6657 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6658 PRINT_WARN("set adapter parameters not available "
6659 "to set broadcast mode, using ALLRINGS "
6660 "on device %s:\n", CARD_BUS_ID(card));
6661 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6662 PRINT_WARN("set adapter parameters not available "
6663 "to set macaddr mode, using NONCANONICAL "
6664 "on device %s:\n", CARD_BUS_ID(card));
6669 qeth_setadapter_parms(struct qeth_card *card)
6673 QETH_DBF_TEXT(setup, 2, "setadprm");
6675 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6676 PRINT_WARN("set adapter parameters not supported "
6679 QETH_DBF_TEXT(setup, 2, " notsupp");
6682 rc = qeth_query_setadapterparms(card);
6684 PRINT_WARN("couldn't set adapter parameters on device %s: "
6685 "x%x\n", CARD_BUS_ID(card), rc);
6688 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6689 rc = qeth_setadpparms_change_macaddr(card);
6691 PRINT_WARN("couldn't get MAC address on "
6693 CARD_BUS_ID(card), rc);
6696 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6697 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6698 rc = qeth_setadapter_hstr(card);
6704 qeth_layer2_initialize(struct qeth_card *card)
6709 QETH_DBF_TEXT(setup, 2, "doL2init");
6710 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6712 rc = qeth_query_setadapterparms(card);
6714 PRINT_WARN("could not query adapter parameters on device %s: "
6715 "x%x\n", CARD_BUS_ID(card), rc);
6718 rc = qeth_setadpparms_change_macaddr(card);
6720 PRINT_WARN("couldn't get MAC address on "
6722 CARD_BUS_ID(card), rc);
6723 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6726 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6728 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6730 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6736 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6737 enum qeth_prot_versions prot)
6740 struct qeth_cmd_buffer *iob;
6742 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6743 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6749 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6753 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6755 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6760 qeth_send_stoplan(struct qeth_card *card)
6765 * TODO: according to the IPA format document page 14,
6766 * TCP/IP (we!) never issue a STOPLAN
6769 QETH_DBF_TEXT(trace, 2, "stoplan");
6771 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6776 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6779 struct qeth_ipa_cmd *cmd;
6781 QETH_DBF_TEXT(setup, 2, "qipasscb");
6783 cmd = (struct qeth_ipa_cmd *) data;
6784 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6785 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6786 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6787 /* Disable IPV6 support hard coded for Hipersockets */
6788 if(card->info.type == QETH_CARD_TYPE_IQD)
6789 card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6791 #ifdef CONFIG_QETH_IPV6
6792 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6793 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6796 QETH_DBF_TEXT(setup, 2, "suppenbl");
6797 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6798 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6803 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6806 struct qeth_cmd_buffer *iob;
6808 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6809 if (card->options.layer2) {
6810 QETH_DBF_TEXT(setup, 2, "noprmly2");
6814 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6815 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6819 static struct qeth_cmd_buffer *
6820 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6821 __u16 cmd_code, __u16 len,
6822 enum qeth_prot_versions prot)
6824 struct qeth_cmd_buffer *iob;
6825 struct qeth_ipa_cmd *cmd;
6827 QETH_DBF_TEXT(trace,4,"getasscm");
6828 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6830 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6831 cmd->data.setassparms.hdr.assist_no = ipa_func;
6832 cmd->data.setassparms.hdr.length = 8 + len;
6833 cmd->data.setassparms.hdr.command_code = cmd_code;
6834 cmd->data.setassparms.hdr.return_code = 0;
6835 cmd->data.setassparms.hdr.seq_no = 0;
6841 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6842 __u16 len, long data,
6844 (struct qeth_card *,struct qeth_reply *,unsigned long),
6848 struct qeth_ipa_cmd *cmd;
6850 QETH_DBF_TEXT(trace,4,"sendassp");
6852 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6853 if (len <= sizeof(__u32))
6854 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6855 else /* (len > sizeof(__u32)) */
6856 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6858 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6862 #ifdef CONFIG_QETH_IPV6
6864 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6865 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6869 struct qeth_cmd_buffer *iob;
6871 QETH_DBF_TEXT(trace,4,"simassp6");
6872 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6874 rc = qeth_send_setassparms(card, iob, 0, 0,
6875 qeth_default_setassparms_cb, NULL);
6881 qeth_send_simple_setassparms(struct qeth_card *card,
6882 enum qeth_ipa_funcs ipa_func,
6883 __u16 cmd_code, long data)
6887 struct qeth_cmd_buffer *iob;
6889 QETH_DBF_TEXT(trace,4,"simassp4");
6891 length = sizeof(__u32);
6892 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6893 length, QETH_PROT_IPV4);
6894 rc = qeth_send_setassparms(card, iob, length, data,
6895 qeth_default_setassparms_cb, NULL);
6900 qeth_start_ipa_arp_processing(struct qeth_card *card)
6904 QETH_DBF_TEXT(trace,3,"ipaarp");
6906 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6907 PRINT_WARN("ARP processing not supported "
6908 "on %s!\n", QETH_CARD_IFNAME(card));
6911 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6912 IPA_CMD_ASS_START, 0);
6914 PRINT_WARN("Could not start ARP processing "
6915 "assist on %s: 0x%x\n",
6916 QETH_CARD_IFNAME(card), rc);
6922 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
6926 QETH_DBF_TEXT(trace,3,"ipaipfrg");
6928 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
6929 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6930 QETH_CARD_IFNAME(card));
6934 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
6935 IPA_CMD_ASS_START, 0);
6937 PRINT_WARN("Could not start Hardware IP fragmentation "
6938 "assist on %s: 0x%x\n",
6939 QETH_CARD_IFNAME(card), rc);
6941 PRINT_INFO("Hardware IP fragmentation enabled \n");
6946 qeth_start_ipa_source_mac(struct qeth_card *card)
6950 QETH_DBF_TEXT(trace,3,"stsrcmac");
6952 if (!card->options.fake_ll)
6955 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
6956 PRINT_INFO("Inbound source address not "
6957 "supported on %s\n", QETH_CARD_IFNAME(card));
6961 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
6962 IPA_CMD_ASS_START, 0);
6964 PRINT_WARN("Could not start inbound source "
6965 "assist on %s: 0x%x\n",
6966 QETH_CARD_IFNAME(card), rc);
6971 qeth_start_ipa_vlan(struct qeth_card *card)
6975 QETH_DBF_TEXT(trace,3,"strtvlan");
6977 #ifdef CONFIG_QETH_VLAN
6978 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
6979 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
6983 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
6984 IPA_CMD_ASS_START,0);
6986 PRINT_WARN("Could not start vlan "
6987 "assist on %s: 0x%x\n",
6988 QETH_CARD_IFNAME(card), rc);
6990 PRINT_INFO("VLAN enabled \n");
6991 card->dev->features |=
6992 NETIF_F_HW_VLAN_FILTER |
6993 NETIF_F_HW_VLAN_TX |
6996 #endif /* QETH_VLAN */
7001 qeth_start_ipa_multicast(struct qeth_card *card)
7005 QETH_DBF_TEXT(trace,3,"stmcast");
7007 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7008 PRINT_WARN("Multicast not supported on %s\n",
7009 QETH_CARD_IFNAME(card));
7013 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7014 IPA_CMD_ASS_START,0);
7016 PRINT_WARN("Could not start multicast "
7017 "assist on %s: rc=%i\n",
7018 QETH_CARD_IFNAME(card), rc);
7020 PRINT_INFO("Multicast enabled\n");
7021 card->dev->flags |= IFF_MULTICAST;
7026 #ifdef CONFIG_QETH_IPV6
7028 qeth_softsetup_ipv6(struct qeth_card *card)
7032 QETH_DBF_TEXT(trace,3,"softipv6");
7034 netif_stop_queue(card->dev);
7035 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7037 PRINT_ERR("IPv6 startlan failed on %s\n",
7038 QETH_CARD_IFNAME(card));
7041 netif_wake_queue(card->dev);
7042 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7044 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7045 QETH_CARD_IFNAME(card));
7048 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7049 IPA_CMD_ASS_START, 3);
7051 PRINT_WARN("IPv6 start assist (version 4) failed "
7053 QETH_CARD_IFNAME(card), rc);
7056 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7059 PRINT_WARN("IPV6 start assist (version 6) failed "
7061 QETH_CARD_IFNAME(card), rc);
7064 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7067 PRINT_WARN("Could not enable passthrough "
7069 QETH_CARD_IFNAME(card), rc);
7072 PRINT_INFO("IPV6 enabled \n");
7079 qeth_start_ipa_ipv6(struct qeth_card *card)
7082 #ifdef CONFIG_QETH_IPV6
7083 QETH_DBF_TEXT(trace,3,"strtipv6");
7085 if (!qeth_is_supported(card, IPA_IPV6)) {
7086 PRINT_WARN("IPv6 not supported on %s\n",
7087 QETH_CARD_IFNAME(card));
7090 rc = qeth_softsetup_ipv6(card);
7096 qeth_start_ipa_broadcast(struct qeth_card *card)
7100 QETH_DBF_TEXT(trace,3,"stbrdcst");
7101 card->info.broadcast_capable = 0;
7102 if (!qeth_is_supported(card, IPA_FILTERING)) {
7103 PRINT_WARN("Broadcast not supported on %s\n",
7104 QETH_CARD_IFNAME(card));
7108 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7109 IPA_CMD_ASS_START, 0);
7111 PRINT_WARN("Could not enable broadcasting filtering "
7113 QETH_CARD_IFNAME(card), rc);
7117 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7118 IPA_CMD_ASS_CONFIGURE, 1);
7120 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7121 QETH_CARD_IFNAME(card), rc);
7124 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7125 PRINT_INFO("Broadcast enabled \n");
7126 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7127 IPA_CMD_ASS_ENABLE, 1);
7129 PRINT_WARN("Could not set up broadcast echo filtering on "
7130 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7133 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7135 if (card->info.broadcast_capable)
7136 card->dev->flags |= IFF_BROADCAST;
7138 card->dev->flags &= ~IFF_BROADCAST;
7143 qeth_send_checksum_command(struct qeth_card *card)
7147 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7148 IPA_CMD_ASS_START, 0);
7150 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7151 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7152 QETH_CARD_IFNAME(card), rc);
7155 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7157 card->info.csum_mask);
7159 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7160 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7161 QETH_CARD_IFNAME(card), rc);
7168 qeth_start_ipa_checksum(struct qeth_card *card)
7172 QETH_DBF_TEXT(trace,3,"strtcsum");
7174 if (card->options.checksum_type == NO_CHECKSUMMING) {
7175 PRINT_WARN("Using no checksumming on %s.\n",
7176 QETH_CARD_IFNAME(card));
7179 if (card->options.checksum_type == SW_CHECKSUMMING) {
7180 PRINT_WARN("Using SW checksumming on %s.\n",
7181 QETH_CARD_IFNAME(card));
7184 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7185 PRINT_WARN("Inbound HW Checksumming not "
7186 "supported on %s,\ncontinuing "
7187 "using Inbound SW Checksumming\n",
7188 QETH_CARD_IFNAME(card));
7189 card->options.checksum_type = SW_CHECKSUMMING;
7192 rc = qeth_send_checksum_command(card);
7194 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7200 qeth_start_ipa_tso(struct qeth_card *card)
7204 QETH_DBF_TEXT(trace,3,"sttso");
7206 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7207 PRINT_WARN("Outbound TSO not supported on %s\n",
7208 QETH_CARD_IFNAME(card));
7211 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7212 IPA_CMD_ASS_START,0);
7214 PRINT_WARN("Could not start outbound TSO "
7215 "assist on %s: rc=%i\n",
7216 QETH_CARD_IFNAME(card), rc);
7218 PRINT_INFO("Outbound TSO enabled\n");
7220 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7221 card->options.large_send = QETH_LARGE_SEND_NO;
7222 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7228 qeth_start_ipassists(struct qeth_card *card)
7230 QETH_DBF_TEXT(trace,3,"strtipas");
7231 qeth_start_ipa_arp_processing(card); /* go on*/
7232 qeth_start_ipa_ip_fragmentation(card); /* go on*/
7233 qeth_start_ipa_source_mac(card); /* go on*/
7234 qeth_start_ipa_vlan(card); /* go on*/
7235 qeth_start_ipa_multicast(card); /* go on*/
7236 qeth_start_ipa_ipv6(card); /* go on*/
7237 qeth_start_ipa_broadcast(card); /* go on*/
7238 qeth_start_ipa_checksum(card); /* go on*/
7239 qeth_start_ipa_tso(card); /* go on*/
7244 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7245 enum qeth_prot_versions prot)
7248 struct qeth_ipa_cmd *cmd;
7249 struct qeth_cmd_buffer *iob;
7251 QETH_DBF_TEXT(trace,4,"setroutg");
7252 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7253 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7254 cmd->data.setrtg.type = (type);
7255 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7262 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7263 enum qeth_prot_versions prot)
7265 if (card->info.type == QETH_CARD_TYPE_IQD) {
7268 case PRIMARY_CONNECTOR:
7269 case SECONDARY_CONNECTOR:
7270 case MULTICAST_ROUTER:
7278 case PRIMARY_ROUTER:
7279 case SECONDARY_ROUTER:
7281 case MULTICAST_ROUTER:
7282 if (qeth_is_ipafunc_supported(card, prot,
7290 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7291 "Router status set to 'no router'.\n",
7292 ((*type == PRIMARY_ROUTER)? "primary router" :
7293 (*type == SECONDARY_ROUTER)? "secondary router" :
7294 (*type == PRIMARY_CONNECTOR)? "primary connector" :
7295 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7296 (*type == MULTICAST_ROUTER)? "multicast router" :
7303 qeth_setrouting_v4(struct qeth_card *card)
7307 QETH_DBF_TEXT(trace,3,"setrtg4");
7309 qeth_correct_routing_type(card, &card->options.route4.type,
7312 rc = qeth_send_setrouting(card, card->options.route4.type,
7315 card->options.route4.type = NO_ROUTER;
7316 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7317 "Type set to 'no router'.\n",
7318 rc, QETH_CARD_IFNAME(card));
7324 qeth_setrouting_v6(struct qeth_card *card)
7328 QETH_DBF_TEXT(trace,3,"setrtg6");
7329 #ifdef CONFIG_QETH_IPV6
7331 qeth_correct_routing_type(card, &card->options.route6.type,
7334 rc = qeth_send_setrouting(card, card->options.route6.type,
7337 card->options.route6.type = NO_ROUTER;
7338 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7339 "Type set to 'no router'.\n",
7340 rc, QETH_CARD_IFNAME(card));
7347 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7351 if (card->dev == NULL) {
7352 card->options.large_send = type;
7355 netif_stop_queue(card->dev);
7356 card->options.large_send = type;
7357 switch (card->options.large_send) {
7358 case QETH_LARGE_SEND_EDDP:
7359 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7361 case QETH_LARGE_SEND_TSO:
7362 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7363 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7365 PRINT_WARN("TSO not supported on %s. "
7366 "large_send set to 'no'.\n",
7368 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7369 card->options.large_send = QETH_LARGE_SEND_NO;
7373 default: /* includes QETH_LARGE_SEND_NO */
7374 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7377 netif_wake_queue(card->dev);
7382 * softsetup card: init IPA stuff
7385 qeth_softsetup_card(struct qeth_card *card)
7389 QETH_DBF_TEXT(setup, 2, "softsetp");
7391 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7392 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7394 PRINT_WARN("LAN on card %s if offline! "
7395 "Continuing softsetup.\n",
7397 card->lan_online = 0;
7401 card->lan_online = 1;
7402 if (card->info.type==QETH_CARD_TYPE_OSN)
7404 qeth_set_large_send(card, card->options.large_send);
7405 if (card->options.layer2) {
7406 card->dev->features |=
7407 NETIF_F_HW_VLAN_FILTER |
7408 NETIF_F_HW_VLAN_TX |
7410 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7411 card->info.broadcast_capable=1;
7412 if ((rc = qeth_layer2_initialize(card))) {
7413 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7416 #ifdef CONFIG_QETH_VLAN
7417 qeth_layer2_process_vlans(card, 0);
7421 if ((rc = qeth_setadapter_parms(card)))
7422 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7423 if ((rc = qeth_start_ipassists(card)))
7424 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7425 if ((rc = qeth_setrouting_v4(card)))
7426 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7427 if ((rc = qeth_setrouting_v6(card)))
7428 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7430 netif_stop_queue(card->dev);
7434 #ifdef CONFIG_QETH_IPV6
7436 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7439 struct qeth_ipa_cmd *cmd;
7441 cmd = (struct qeth_ipa_cmd *) data;
7442 if (cmd->hdr.return_code == 0)
7443 card->info.unique_id = *((__u16 *)
7444 &cmd->data.create_destroy_addr.unique_id[6]);
7446 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7447 UNIQUE_ID_NOT_BY_CARD;
7448 PRINT_WARN("couldn't get a unique id from the card on device "
7449 "%s (result=x%x), using default id. ipv6 "
7450 "autoconfig on other lpars may lead to duplicate "
7451 "ip addresses. please use manually "
7452 "configured ones.\n",
7453 CARD_BUS_ID(card), cmd->hdr.return_code);
7460 qeth_put_unique_id(struct qeth_card *card)
7464 #ifdef CONFIG_QETH_IPV6
7465 struct qeth_cmd_buffer *iob;
7466 struct qeth_ipa_cmd *cmd;
7468 QETH_DBF_TEXT(trace,2,"puniqeid");
7470 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7471 UNIQUE_ID_NOT_BY_CARD)
7473 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7475 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7476 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7477 card->info.unique_id;
7478 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7479 card->dev->dev_addr, OSA_ADDR_LEN);
7480 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7482 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7483 UNIQUE_ID_NOT_BY_CARD;
7492 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7494 struct qeth_ipaddr *addr, *tmp;
7495 unsigned long flags;
7497 QETH_DBF_TEXT(trace,4,"clearip");
7498 spin_lock_irqsave(&card->ip_lock, flags);
7499 /* clear todo list */
7500 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7501 list_del(&addr->entry);
7505 while (!list_empty(&card->ip_list)) {
7506 addr = list_entry(card->ip_list.next,
7507 struct qeth_ipaddr, entry);
7508 list_del_init(&addr->entry);
7510 spin_unlock_irqrestore(&card->ip_lock, flags);
7511 qeth_deregister_addr_entry(card, addr);
7512 spin_lock_irqsave(&card->ip_lock, flags);
7514 if (!recover || addr->is_multicast) {
7518 list_add_tail(&addr->entry, card->ip_tbd_list);
7520 spin_unlock_irqrestore(&card->ip_lock, flags);
7524 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7525 int clear_start_mask)
7527 unsigned long flags;
7529 spin_lock_irqsave(&card->thread_mask_lock, flags);
7530 card->thread_allowed_mask = threads;
7531 if (clear_start_mask)
7532 card->thread_start_mask &= threads;
7533 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7534 wake_up(&card->wait_q);
7538 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7540 unsigned long flags;
7543 spin_lock_irqsave(&card->thread_mask_lock, flags);
7544 rc = (card->thread_running_mask & threads);
7545 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7550 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7552 return wait_event_interruptible(card->wait_q,
7553 qeth_threads_running(card, threads) == 0);
7557 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7561 QETH_DBF_TEXT(setup ,2,"stopcard");
7562 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7564 qeth_set_allowed_threads(card, 0, 1);
7565 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7566 return -ERESTARTSYS;
7567 if (card->read.state == CH_STATE_UP &&
7568 card->write.state == CH_STATE_UP &&
7569 (card->state == CARD_STATE_UP)) {
7570 if (recovery_mode &&
7571 card->info.type != QETH_CARD_TYPE_OSN) {
7572 qeth_stop(card->dev);
7575 dev_close(card->dev);
7578 if (!card->use_hard_stop) {
7579 __u8 *mac = &card->dev->dev_addr[0];
7580 rc = qeth_layer2_send_delmac(card, mac);
7581 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7582 if ((rc = qeth_send_stoplan(card)))
7583 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7585 card->state = CARD_STATE_SOFTSETUP;
7587 if (card->state == CARD_STATE_SOFTSETUP) {
7588 #ifdef CONFIG_QETH_VLAN
7589 if (card->options.layer2)
7590 qeth_layer2_process_vlans(card, 1);
7592 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7593 qeth_clear_ipacmd_list(card);
7594 card->state = CARD_STATE_HARDSETUP;
7596 if (card->state == CARD_STATE_HARDSETUP) {
7597 if ((!card->use_hard_stop) &&
7598 (!card->options.layer2))
7599 if ((rc = qeth_put_unique_id(card)))
7600 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7601 qeth_qdio_clear_card(card, 0);
7602 qeth_clear_qdio_buffers(card);
7603 qeth_clear_working_pool_list(card);
7604 card->state = CARD_STATE_DOWN;
7606 if (card->state == CARD_STATE_DOWN) {
7607 qeth_clear_cmd_buffers(&card->read);
7608 qeth_clear_cmd_buffers(&card->write);
7610 card->use_hard_stop = 0;
7616 qeth_get_unique_id(struct qeth_card *card)
7619 #ifdef CONFIG_QETH_IPV6
7620 struct qeth_cmd_buffer *iob;
7621 struct qeth_ipa_cmd *cmd;
7623 QETH_DBF_TEXT(setup, 2, "guniqeid");
7625 if (!qeth_is_supported(card,IPA_IPV6)) {
7626 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7627 UNIQUE_ID_NOT_BY_CARD;
7631 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7633 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7634 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7635 card->info.unique_id;
7637 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7639 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7640 UNIQUE_ID_NOT_BY_CARD;
7645 qeth_print_status_with_portname(struct qeth_card *card)
7650 sprintf(dbf_text, "%s", card->info.portname + 1);
7651 for (i = 0; i < 8; i++)
7653 (char) _ebcasc[(__u8) dbf_text[i]];
7655 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7656 "with link type %s (portname: %s)\n",
7660 qeth_get_cardname(card),
7661 (card->info.mcl_level[0]) ? " (level: " : "",
7662 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7663 (card->info.mcl_level[0]) ? ")" : "",
7664 qeth_get_cardname_short(card),
7670 qeth_print_status_no_portname(struct qeth_card *card)
7672 if (card->info.portname[0])
7673 printk("qeth: Device %s/%s/%s is a%s "
7674 "card%s%s%s\nwith link type %s "
7675 "(no portname needed by interface).\n",
7679 qeth_get_cardname(card),
7680 (card->info.mcl_level[0]) ? " (level: " : "",
7681 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7682 (card->info.mcl_level[0]) ? ")" : "",
7683 qeth_get_cardname_short(card));
7685 printk("qeth: Device %s/%s/%s is a%s "
7686 "card%s%s%s\nwith link type %s.\n",
7690 qeth_get_cardname(card),
7691 (card->info.mcl_level[0]) ? " (level: " : "",
7692 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7693 (card->info.mcl_level[0]) ? ")" : "",
7694 qeth_get_cardname_short(card));
7698 qeth_print_status_message(struct qeth_card *card)
7700 switch (card->info.type) {
7701 case QETH_CARD_TYPE_OSAE:
7702 /* VM will use a non-zero first character
7703 * to indicate a HiperSockets like reporting
7704 * of the level OSA sets the first character to zero
7706 if (!card->info.mcl_level[0]) {
7707 sprintf(card->info.mcl_level,"%02x%02x",
7708 card->info.mcl_level[2],
7709 card->info.mcl_level[3]);
7711 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7715 case QETH_CARD_TYPE_IQD:
7716 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7717 card->info.mcl_level[0]];
7718 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7719 card->info.mcl_level[1]];
7720 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7721 card->info.mcl_level[2]];
7722 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7723 card->info.mcl_level[3]];
7724 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7727 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7729 if (card->info.portname_required)
7730 qeth_print_status_with_portname(card);
7732 qeth_print_status_no_portname(card);
7736 qeth_register_netdev(struct qeth_card *card)
7738 QETH_DBF_TEXT(setup, 3, "regnetd");
7739 if (card->dev->reg_state != NETREG_UNINITIALIZED) {
7740 qeth_netdev_init(card->dev);
7744 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7745 return register_netdev(card->dev);
7749 qeth_start_again(struct qeth_card *card, int recovery_mode)
7751 QETH_DBF_TEXT(setup ,2, "startag");
7753 if (recovery_mode &&
7754 card->info.type != QETH_CARD_TYPE_OSN) {
7755 qeth_open(card->dev);
7758 dev_open(card->dev);
7761 /* this also sets saved unicast addresses */
7762 qeth_set_multicast_list(card->dev);
7766 /* Layer 2 specific stuff */
7767 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7768 if (card->options.option == value) { \
7769 PRINT_ERR("%s not supported with layer 2 " \
7770 "functionality, ignoring option on read" \
7771 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7772 card->options.option = reset_value; \
7774 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7775 if (card->options.option != value) { \
7776 PRINT_ERR("%s not supported with layer 2 " \
7777 "functionality, ignoring option on read" \
7778 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7779 card->options.option = reset_value; \
7783 static void qeth_make_parameters_consistent(struct qeth_card *card)
7786 if (card->options.layer2 == 0)
7788 if (card->info.type == QETH_CARD_TYPE_OSN)
7790 if (card->info.type == QETH_CARD_TYPE_IQD) {
7791 PRINT_ERR("Device %s does not support layer 2 functionality." \
7792 " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7793 card->options.layer2 = 0;
7796 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7797 "Routing options are");
7798 #ifdef CONFIG_QETH_IPV6
7799 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7800 "Routing options are");
7802 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7803 QETH_CHECKSUM_DEFAULT,
7804 "Checksumming options are");
7805 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7806 QETH_TR_BROADCAST_ALLRINGS,
7807 "Broadcast mode options are");
7808 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7809 QETH_TR_MACADDR_NONCANONICAL,
7810 "Canonical MAC addr options are");
7811 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7812 "Broadcast faking options are");
7813 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7814 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7815 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7820 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7822 struct qeth_card *card = gdev->dev.driver_data;
7824 enum qeth_card_states recover_flag;
7827 QETH_DBF_TEXT(setup ,2, "setonlin");
7828 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7830 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7831 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7832 PRINT_WARN("set_online of card %s interrupted by user!\n",
7834 return -ERESTARTSYS;
7837 recover_flag = card->state;
7838 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7839 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7840 (rc = ccw_device_set_online(CARD_DDEV(card)))){
7841 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7845 qeth_make_parameters_consistent(card);
7847 if ((rc = qeth_hardsetup_card(card))){
7848 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7851 card->state = CARD_STATE_HARDSETUP;
7853 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7854 rc = qeth_get_unique_id(card);
7856 if (rc && card->options.layer2 == 0) {
7857 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7860 qeth_print_status_message(card);
7861 if ((rc = qeth_register_netdev(card))){
7862 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7865 if ((rc = qeth_softsetup_card(card))){
7866 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7869 card->state = CARD_STATE_SOFTSETUP;
7871 if ((rc = qeth_init_qdio_queues(card))){
7872 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7875 netif_carrier_on(card->dev);
7877 qeth_set_allowed_threads(card, 0xffffffff, 0);
7878 if (recover_flag == CARD_STATE_RECOVER)
7879 qeth_start_again(card, recovery_mode);
7880 qeth_notify_processes();
7883 card->use_hard_stop = 1;
7884 qeth_stop_card(card, 0);
7885 ccw_device_set_offline(CARD_DDEV(card));
7886 ccw_device_set_offline(CARD_WDEV(card));
7887 ccw_device_set_offline(CARD_RDEV(card));
7888 if (recover_flag == CARD_STATE_RECOVER)
7889 card->state = CARD_STATE_RECOVER;
7891 card->state = CARD_STATE_DOWN;
7896 qeth_set_online(struct ccwgroup_device *gdev)
7898 return __qeth_set_online(gdev, 0);
7901 static struct ccw_device_id qeth_ids[] = {
7902 {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
7903 {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
7904 {CCW_DEVICE(0x1731, 0x06), driver_info:QETH_CARD_TYPE_OSN},
7907 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7909 struct device *qeth_root_dev = NULL;
7911 struct ccwgroup_driver qeth_ccwgroup_driver = {
7912 .owner = THIS_MODULE,
7914 .driver_id = 0xD8C5E3C8,
7915 .probe = qeth_probe_device,
7916 .remove = qeth_remove_device,
7917 .set_online = qeth_set_online,
7918 .set_offline = qeth_set_offline,
7921 struct ccw_driver qeth_ccw_driver = {
7924 .probe = ccwgroup_probe_ccwdev,
7925 .remove = ccwgroup_remove_ccwdev,
7930 qeth_unregister_dbf_views(void)
7933 debug_unregister(qeth_dbf_setup);
7935 debug_unregister(qeth_dbf_qerr);
7937 debug_unregister(qeth_dbf_sense);
7939 debug_unregister(qeth_dbf_misc);
7941 debug_unregister(qeth_dbf_data);
7942 if (qeth_dbf_control)
7943 debug_unregister(qeth_dbf_control);
7945 debug_unregister(qeth_dbf_trace);
7948 qeth_register_dbf_views(void)
7950 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
7951 QETH_DBF_SETUP_PAGES,
7952 QETH_DBF_SETUP_NR_AREAS,
7953 QETH_DBF_SETUP_LEN);
7954 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
7955 QETH_DBF_MISC_PAGES,
7956 QETH_DBF_MISC_NR_AREAS,
7958 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
7959 QETH_DBF_DATA_PAGES,
7960 QETH_DBF_DATA_NR_AREAS,
7962 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
7963 QETH_DBF_CONTROL_PAGES,
7964 QETH_DBF_CONTROL_NR_AREAS,
7965 QETH_DBF_CONTROL_LEN);
7966 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
7967 QETH_DBF_SENSE_PAGES,
7968 QETH_DBF_SENSE_NR_AREAS,
7969 QETH_DBF_SENSE_LEN);
7970 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
7971 QETH_DBF_QERR_PAGES,
7972 QETH_DBF_QERR_NR_AREAS,
7974 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
7975 QETH_DBF_TRACE_PAGES,
7976 QETH_DBF_TRACE_NR_AREAS,
7977 QETH_DBF_TRACE_LEN);
7979 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
7980 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
7981 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
7982 (qeth_dbf_trace == NULL)) {
7983 qeth_unregister_dbf_views();
7986 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
7987 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
7989 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
7990 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
7992 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
7993 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
7995 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
7996 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
7998 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
7999 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8001 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8002 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8004 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8005 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8010 #ifdef CONFIG_QETH_IPV6
8011 extern struct neigh_table arp_tbl;
8012 static struct neigh_ops *arp_direct_ops;
8013 static int (*qeth_old_arp_constructor) (struct neighbour *);
8015 static struct neigh_ops arp_direct_ops_template = {
8018 .error_report = NULL,
8019 .output = dev_queue_xmit,
8020 .connected_output = dev_queue_xmit,
8021 .hh_output = dev_queue_xmit,
8022 .queue_xmit = dev_queue_xmit
8026 qeth_arp_constructor(struct neighbour *neigh)
8028 struct net_device *dev = neigh->dev;
8029 struct in_device *in_dev;
8030 struct neigh_parms *parms;
8031 struct qeth_card *card;
8033 card = qeth_get_card_from_dev(dev);
8036 if((card->options.layer2) ||
8037 (card->dev->hard_header == qeth_fake_header))
8041 in_dev = __in_dev_get_rcu(dev);
8042 if (in_dev == NULL) {
8047 parms = in_dev->arp_parms;
8048 __neigh_parms_put(neigh->parms);
8049 neigh->parms = neigh_parms_clone(parms);
8052 neigh->type = inet_addr_type(*(u32 *) neigh->primary_key);
8053 neigh->nud_state = NUD_NOARP;
8054 neigh->ops = arp_direct_ops;
8055 neigh->output = neigh->ops->queue_xmit;
8058 return qeth_old_arp_constructor(neigh);
8060 #endif /*CONFIG_QETH_IPV6*/
8063 * IP address takeover related functions
8066 qeth_clear_ipato_list(struct qeth_card *card)
8068 struct qeth_ipato_entry *ipatoe, *tmp;
8069 unsigned long flags;
8071 spin_lock_irqsave(&card->ip_lock, flags);
8072 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8073 list_del(&ipatoe->entry);
8076 spin_unlock_irqrestore(&card->ip_lock, flags);
8080 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8082 struct qeth_ipato_entry *ipatoe;
8083 unsigned long flags;
8086 QETH_DBF_TEXT(trace, 2, "addipato");
8087 spin_lock_irqsave(&card->ip_lock, flags);
8088 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8089 if (ipatoe->proto != new->proto)
8091 if (!memcmp(ipatoe->addr, new->addr,
8092 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8093 (ipatoe->mask_bits == new->mask_bits)){
8094 PRINT_WARN("ipato entry already exists!\n");
8100 list_add_tail(&new->entry, &card->ipato.entries);
8102 spin_unlock_irqrestore(&card->ip_lock, flags);
8107 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8108 u8 *addr, int mask_bits)
8110 struct qeth_ipato_entry *ipatoe, *tmp;
8111 unsigned long flags;
8113 QETH_DBF_TEXT(trace, 2, "delipato");
8114 spin_lock_irqsave(&card->ip_lock, flags);
8115 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8116 if (ipatoe->proto != proto)
8118 if (!memcmp(ipatoe->addr, addr,
8119 (proto == QETH_PROT_IPV4)? 4:16) &&
8120 (ipatoe->mask_bits == mask_bits)){
8121 list_del(&ipatoe->entry);
8125 spin_unlock_irqrestore(&card->ip_lock, flags);
8129 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8134 for (i = 0; i < len; ++i){
8136 for (j = 7; j >= 0; --j){
8137 bits[i*8 + j] = octet & 1;
8144 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8146 struct qeth_ipato_entry *ipatoe;
8147 u8 addr_bits[128] = {0, };
8148 u8 ipatoe_bits[128] = {0, };
8151 if (!card->ipato.enabled)
8154 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8155 (addr->proto == QETH_PROT_IPV4)? 4:16);
8156 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8157 if (addr->proto != ipatoe->proto)
8159 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8160 (ipatoe->proto==QETH_PROT_IPV4) ?
8162 if (addr->proto == QETH_PROT_IPV4)
8163 rc = !memcmp(addr_bits, ipatoe_bits,
8164 min(32, ipatoe->mask_bits));
8166 rc = !memcmp(addr_bits, ipatoe_bits,
8167 min(128, ipatoe->mask_bits));
8172 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8174 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8181 * VIPA related functions
8184 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8187 struct qeth_ipaddr *ipaddr;
8188 unsigned long flags;
8191 ipaddr = qeth_get_addr_buffer(proto);
8193 if (proto == QETH_PROT_IPV4){
8194 QETH_DBF_TEXT(trace, 2, "addvipa4");
8195 memcpy(&ipaddr->u.a4.addr, addr, 4);
8196 ipaddr->u.a4.mask = 0;
8197 #ifdef CONFIG_QETH_IPV6
8198 } else if (proto == QETH_PROT_IPV6){
8199 QETH_DBF_TEXT(trace, 2, "addvipa6");
8200 memcpy(&ipaddr->u.a6.addr, addr, 16);
8201 ipaddr->u.a6.pfxlen = 0;
8204 ipaddr->type = QETH_IP_TYPE_VIPA;
8205 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8206 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8209 spin_lock_irqsave(&card->ip_lock, flags);
8210 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8211 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8213 spin_unlock_irqrestore(&card->ip_lock, flags);
8215 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8218 if (!qeth_add_ip(card, ipaddr))
8220 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8221 schedule_work(&card->kernel_thread_starter);
8226 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8229 struct qeth_ipaddr *ipaddr;
8231 ipaddr = qeth_get_addr_buffer(proto);
8233 if (proto == QETH_PROT_IPV4){
8234 QETH_DBF_TEXT(trace, 2, "delvipa4");
8235 memcpy(&ipaddr->u.a4.addr, addr, 4);
8236 ipaddr->u.a4.mask = 0;
8237 #ifdef CONFIG_QETH_IPV6
8238 } else if (proto == QETH_PROT_IPV6){
8239 QETH_DBF_TEXT(trace, 2, "delvipa6");
8240 memcpy(&ipaddr->u.a6.addr, addr, 16);
8241 ipaddr->u.a6.pfxlen = 0;
8244 ipaddr->type = QETH_IP_TYPE_VIPA;
8247 if (!qeth_delete_ip(card, ipaddr))
8249 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8250 schedule_work(&card->kernel_thread_starter);
8254 * proxy ARP related functions
8257 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8260 struct qeth_ipaddr *ipaddr;
8261 unsigned long flags;
8264 ipaddr = qeth_get_addr_buffer(proto);
8266 if (proto == QETH_PROT_IPV4){
8267 QETH_DBF_TEXT(trace, 2, "addrxip4");
8268 memcpy(&ipaddr->u.a4.addr, addr, 4);
8269 ipaddr->u.a4.mask = 0;
8270 #ifdef CONFIG_QETH_IPV6
8271 } else if (proto == QETH_PROT_IPV6){
8272 QETH_DBF_TEXT(trace, 2, "addrxip6");
8273 memcpy(&ipaddr->u.a6.addr, addr, 16);
8274 ipaddr->u.a6.pfxlen = 0;
8277 ipaddr->type = QETH_IP_TYPE_RXIP;
8278 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8279 ipaddr->del_flags = 0;
8282 spin_lock_irqsave(&card->ip_lock, flags);
8283 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8284 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8286 spin_unlock_irqrestore(&card->ip_lock, flags);
8288 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8291 if (!qeth_add_ip(card, ipaddr))
8293 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8294 schedule_work(&card->kernel_thread_starter);
8299 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8302 struct qeth_ipaddr *ipaddr;
8304 ipaddr = qeth_get_addr_buffer(proto);
8306 if (proto == QETH_PROT_IPV4){
8307 QETH_DBF_TEXT(trace, 2, "addrxip4");
8308 memcpy(&ipaddr->u.a4.addr, addr, 4);
8309 ipaddr->u.a4.mask = 0;
8310 #ifdef CONFIG_QETH_IPV6
8311 } else if (proto == QETH_PROT_IPV6){
8312 QETH_DBF_TEXT(trace, 2, "addrxip6");
8313 memcpy(&ipaddr->u.a6.addr, addr, 16);
8314 ipaddr->u.a6.pfxlen = 0;
8317 ipaddr->type = QETH_IP_TYPE_RXIP;
8320 if (!qeth_delete_ip(card, ipaddr))
8322 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8323 schedule_work(&card->kernel_thread_starter);
8330 qeth_ip_event(struct notifier_block *this,
8331 unsigned long event,void *ptr)
8333 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8334 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8335 struct qeth_ipaddr *addr;
8336 struct qeth_card *card;
8338 QETH_DBF_TEXT(trace,3,"ipevent");
8339 card = qeth_get_card_from_dev(dev);
8342 if (card->options.layer2)
8345 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8347 addr->u.a4.addr = ifa->ifa_address;
8348 addr->u.a4.mask = ifa->ifa_mask;
8349 addr->type = QETH_IP_TYPE_NORMAL;
8355 if (!qeth_add_ip(card, addr))
8359 if (!qeth_delete_ip(card, addr))
8365 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8366 schedule_work(&card->kernel_thread_starter);
8371 static struct notifier_block qeth_ip_notifier = {
8376 #ifdef CONFIG_QETH_IPV6
8378 * IPv6 event handler
8381 qeth_ip6_event(struct notifier_block *this,
8382 unsigned long event,void *ptr)
8385 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8386 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8387 struct qeth_ipaddr *addr;
8388 struct qeth_card *card;
8390 QETH_DBF_TEXT(trace,3,"ip6event");
8392 card = qeth_get_card_from_dev(dev);
8395 if (!qeth_is_supported(card, IPA_IPV6))
8398 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8400 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8401 addr->u.a6.pfxlen = ifa->prefix_len;
8402 addr->type = QETH_IP_TYPE_NORMAL;
8408 if (!qeth_add_ip(card, addr))
8412 if (!qeth_delete_ip(card, addr))
8418 if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0)
8419 schedule_work(&card->kernel_thread_starter);
8424 static struct notifier_block qeth_ip6_notifier = {
8431 __qeth_reboot_event_card(struct device *dev, void *data)
8433 struct qeth_card *card;
8435 card = (struct qeth_card *) dev->driver_data;
8436 qeth_clear_ip_list(card, 0, 0);
8437 qeth_qdio_clear_card(card, 0);
8442 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8445 driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8446 __qeth_reboot_event_card);
8451 static struct notifier_block qeth_reboot_notifier = {
8457 qeth_register_notifiers(void)
8461 QETH_DBF_TEXT(trace,5,"regnotif");
8462 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8464 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8466 #ifdef CONFIG_QETH_IPV6
8467 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8472 #ifdef CONFIG_QETH_IPV6
8474 unregister_inetaddr_notifier(&qeth_ip_notifier);
8477 unregister_reboot_notifier(&qeth_reboot_notifier);
8482 * unregister all event notifiers
8485 qeth_unregister_notifiers(void)
8488 QETH_DBF_TEXT(trace,5,"unregnot");
8489 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8490 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8491 #ifdef CONFIG_QETH_IPV6
8492 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8493 #endif /* QETH_IPV6 */
8497 #ifdef CONFIG_QETH_IPV6
8499 qeth_ipv6_init(void)
8501 qeth_old_arp_constructor = arp_tbl.constructor;
8502 write_lock(&arp_tbl.lock);
8503 arp_tbl.constructor = qeth_arp_constructor;
8504 write_unlock(&arp_tbl.lock);
8506 arp_direct_ops = (struct neigh_ops*)
8507 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8508 if (!arp_direct_ops)
8511 memcpy(arp_direct_ops, &arp_direct_ops_template,
8512 sizeof(struct neigh_ops));
8518 qeth_ipv6_uninit(void)
8520 write_lock(&arp_tbl.lock);
8521 arp_tbl.constructor = qeth_old_arp_constructor;
8522 write_unlock(&arp_tbl.lock);
8523 kfree(arp_direct_ops);
8525 #endif /* CONFIG_QETH_IPV6 */
8528 qeth_sysfs_unregister(void)
8530 qeth_remove_driver_attributes();
8531 ccw_driver_unregister(&qeth_ccw_driver);
8532 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8533 s390_root_dev_unregister(qeth_root_dev);
8536 * register qeth at sysfs
8539 qeth_sysfs_register(void)
8543 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8546 rc = ccw_driver_register(&qeth_ccw_driver);
8549 rc = qeth_create_driver_attributes();
8552 qeth_root_dev = s390_root_dev_register("qeth");
8553 if (IS_ERR(qeth_root_dev)) {
8554 rc = PTR_ERR(qeth_root_dev);
8568 PRINT_INFO("loading %s\n", version);
8570 INIT_LIST_HEAD(&qeth_card_list.list);
8571 INIT_LIST_HEAD(&qeth_notify_list);
8572 spin_lock_init(&qeth_notify_lock);
8573 rwlock_init(&qeth_card_list.rwlock);
8575 if (qeth_register_dbf_views())
8577 if (qeth_sysfs_register())
8580 #ifdef CONFIG_QETH_IPV6
8581 if (qeth_ipv6_init()) {
8582 PRINT_ERR("Out of memory during ipv6 init.\n");
8585 #endif /* QETH_IPV6 */
8586 if (qeth_register_notifiers())
8588 if (qeth_create_procfs_entries())
8594 qeth_unregister_notifiers();
8596 #ifdef CONFIG_QETH_IPV6
8598 #endif /* QETH_IPV6 */
8600 qeth_sysfs_unregister();
8601 qeth_unregister_dbf_views();
8603 PRINT_ERR("Initialization failed");
8608 __exit qeth_exit(void)
8610 struct qeth_card *card, *tmp;
8611 unsigned long flags;
8613 QETH_DBF_TEXT(trace,1, "cleanup.");
8616 * Weed would not need to clean up our devices here, because the
8617 * common device layer calls qeth_remove_device for each device
8618 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8619 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8620 * qeth_remove_device called by the common device layer would otherwise
8621 * do a "hard" shutdown (card->use_hard_stop is set to one in
8622 * qeth_remove_device).
8625 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8626 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8627 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8628 qeth_set_offline(card->gdev);
8629 qeth_remove_device(card->gdev);
8632 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8633 #ifdef CONFIG_QETH_IPV6
8636 qeth_unregister_notifiers();
8637 qeth_remove_procfs_entries();
8638 qeth_sysfs_unregister();
8639 qeth_unregister_dbf_views();
8640 printk("qeth: removed\n");
8643 EXPORT_SYMBOL(qeth_osn_register);
8644 EXPORT_SYMBOL(qeth_osn_deregister);
8645 EXPORT_SYMBOL(qeth_osn_assist);
8646 module_init(qeth_init);
8647 module_exit(qeth_exit);
8648 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8649 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8650 "Copyright 2000,2003 IBM Corporation\n");
8652 MODULE_LICENSE("GPL");