2 * linux/drivers/s390/net/qeth_main.c
4 * Linux on zSeries OSA Express and HiperSockets support
6 * Copyright 2000,2003 IBM Corporation
8 * Author(s): Original Code written by
9 * Utz Bacher (utz.bacher@de.ibm.com)
11 * Frank Pavlic (fpavlic@de.ibm.com) and
12 * Thomas Spatzier <tspat@de.ibm.com>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2, or (at your option)
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include <linux/module.h>
31 #include <linux/moduleparam.h>
32 #include <linux/string.h>
33 #include <linux/errno.h>
36 #include <linux/inetdevice.h>
37 #include <linux/netdevice.h>
38 #include <linux/sched.h>
39 #include <linux/workqueue.h>
40 #include <linux/kernel.h>
41 #include <linux/slab.h>
42 #include <linux/interrupt.h>
43 #include <linux/tcp.h>
44 #include <linux/icmp.h>
45 #include <linux/skbuff.h>
47 #include <linux/igmp.h>
48 #include <linux/init.h>
49 #include <linux/reboot.h>
50 #include <linux/mii.h>
51 #include <linux/rcupdate.h>
52 #include <linux/ethtool.h>
56 #include <net/route.h>
58 #include <asm/ebcdic.h>
61 #include <asm/timex.h>
62 #include <asm/semaphore.h>
63 #include <asm/uaccess.h>
64 #include <asm/s390_rdev.h>
69 #include "qeth_eddp.h"
72 static const char *version = "qeth S/390 OSA-Express driver";
75 * Debug Facility Stuff
77 static debug_info_t *qeth_dbf_setup = NULL;
78 static debug_info_t *qeth_dbf_data = NULL;
79 static debug_info_t *qeth_dbf_misc = NULL;
80 static debug_info_t *qeth_dbf_control = NULL;
81 debug_info_t *qeth_dbf_trace = NULL;
82 static debug_info_t *qeth_dbf_sense = NULL;
83 static debug_info_t *qeth_dbf_qerr = NULL;
85 DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf);
87 static struct lock_class_key qdio_out_skb_queue_key;
90 * some more definitions and declarations
92 static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY;
94 /* list of our cards */
95 struct qeth_card_list_struct qeth_card_list;
96 /*process list want to be notified*/
97 spinlock_t qeth_notify_lock;
98 struct list_head qeth_notify_list;
100 static void qeth_send_control_data_cb(struct qeth_channel *,
101 struct qeth_cmd_buffer *);
104 * here we go with function implementation
107 qeth_init_qdio_info(struct qeth_card *card);
110 qeth_init_qdio_queues(struct qeth_card *card);
113 qeth_alloc_qdio_buffers(struct qeth_card *card);
116 qeth_free_qdio_buffers(struct qeth_card *);
119 qeth_clear_qdio_buffers(struct qeth_card *);
122 qeth_clear_ip_list(struct qeth_card *, int, int);
125 qeth_clear_ipacmd_list(struct qeth_card *);
128 qeth_qdio_clear_card(struct qeth_card *, int);
131 qeth_clear_working_pool_list(struct qeth_card *);
134 qeth_clear_cmd_buffers(struct qeth_channel *);
137 qeth_stop(struct net_device *);
140 qeth_clear_ipato_list(struct qeth_card *);
143 qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
146 qeth_irq_tasklet(unsigned long);
149 qeth_set_online(struct ccwgroup_device *);
152 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode);
154 static struct qeth_ipaddr *
155 qeth_get_addr_buffer(enum qeth_prot_versions);
158 qeth_set_multicast_list(struct net_device *);
161 qeth_setadp_promisc_mode(struct qeth_card *);
164 qeth_notify_processes(void)
166 /*notify all registered processes */
167 struct qeth_notify_list_struct *n_entry;
169 QETH_DBF_TEXT(trace,3,"procnoti");
170 spin_lock(&qeth_notify_lock);
171 list_for_each_entry(n_entry, &qeth_notify_list, list) {
172 send_sig(n_entry->signum, n_entry->task, 1);
174 spin_unlock(&qeth_notify_lock);
178 qeth_notifier_unregister(struct task_struct *p)
180 struct qeth_notify_list_struct *n_entry, *tmp;
182 QETH_DBF_TEXT(trace, 2, "notunreg");
183 spin_lock(&qeth_notify_lock);
184 list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) {
185 if (n_entry->task == p) {
186 list_del(&n_entry->list);
192 spin_unlock(&qeth_notify_lock);
196 qeth_notifier_register(struct task_struct *p, int signum)
198 struct qeth_notify_list_struct *n_entry;
200 /*check first if entry already exists*/
201 spin_lock(&qeth_notify_lock);
202 list_for_each_entry(n_entry, &qeth_notify_list, list) {
203 if (n_entry->task == p) {
204 n_entry->signum = signum;
205 spin_unlock(&qeth_notify_lock);
209 spin_unlock(&qeth_notify_lock);
211 n_entry = (struct qeth_notify_list_struct *)
212 kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL);
216 n_entry->signum = signum;
217 spin_lock(&qeth_notify_lock);
218 list_add(&n_entry->list,&qeth_notify_list);
219 spin_unlock(&qeth_notify_lock);
225 * free channel command buffers
228 qeth_clean_channel(struct qeth_channel *channel)
232 QETH_DBF_TEXT(setup, 2, "freech");
233 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
234 kfree(channel->iob[cnt].data);
241 qeth_free_card(struct qeth_card *card)
244 QETH_DBF_TEXT(setup, 2, "freecrd");
245 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
246 qeth_clean_channel(&card->read);
247 qeth_clean_channel(&card->write);
249 free_netdev(card->dev);
250 qeth_clear_ip_list(card, 0, 0);
251 qeth_clear_ipato_list(card);
252 kfree(card->ip_tbd_list);
253 qeth_free_qdio_buffers(card);
258 * alloc memory for command buffer per channel
261 qeth_setup_channel(struct qeth_channel *channel)
265 QETH_DBF_TEXT(setup, 2, "setupch");
266 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
267 channel->iob[cnt].data = (char *)
268 kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
269 if (channel->iob[cnt].data == NULL)
271 channel->iob[cnt].state = BUF_STATE_FREE;
272 channel->iob[cnt].channel = channel;
273 channel->iob[cnt].callback = qeth_send_control_data_cb;
274 channel->iob[cnt].rc = 0;
276 if (cnt < QETH_CMD_BUFFER_NO) {
278 kfree(channel->iob[cnt].data);
282 channel->io_buf_no = 0;
283 atomic_set(&channel->irq_pending, 0);
284 spin_lock_init(&channel->iob_lock);
286 init_waitqueue_head(&channel->wait_q);
287 channel->irq_tasklet.data = (unsigned long) channel;
288 channel->irq_tasklet.func = qeth_irq_tasklet;
293 * alloc memory for card structure
295 static struct qeth_card *
296 qeth_alloc_card(void)
298 struct qeth_card *card;
300 QETH_DBF_TEXT(setup, 2, "alloccrd");
301 card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
304 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
305 if (qeth_setup_channel(&card->read)) {
309 if (qeth_setup_channel(&card->write)) {
310 qeth_clean_channel(&card->read);
318 __qeth_check_irb_error(struct ccw_device *cdev, unsigned long intparm,
324 switch (PTR_ERR(irb)) {
326 PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
327 QETH_DBF_TEXT(trace, 2, "ckirberr");
328 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
331 PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
332 QETH_DBF_TEXT(trace, 2, "ckirberr");
333 QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT);
334 if (intparm == QETH_RCD_PARM) {
335 struct qeth_card *card = CARD_FROM_CDEV(cdev);
337 if (card && (card->data.ccwdev == cdev)) {
338 card->data.state = CH_STATE_DOWN;
339 wake_up(&card->wait_q);
344 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
346 QETH_DBF_TEXT(trace, 2, "ckirberr");
347 QETH_DBF_TEXT(trace, 2, " rc???");
353 qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
358 sense = (char *) irb->ecw;
359 cstat = irb->scsw.cstat;
360 dstat = irb->scsw.dstat;
362 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
363 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
364 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
365 QETH_DBF_TEXT(trace,2, "CGENCHK");
366 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
367 cdev->dev.bus_id, dstat, cstat);
368 HEXDUMP16(WARN, "irb: ", irb);
369 HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32);
373 if (dstat & DEV_STAT_UNIT_CHECK) {
374 if (sense[SENSE_RESETTING_EVENT_BYTE] &
375 SENSE_RESETTING_EVENT_FLAG) {
376 QETH_DBF_TEXT(trace,2,"REVIND");
379 if (sense[SENSE_COMMAND_REJECT_BYTE] &
380 SENSE_COMMAND_REJECT_FLAG) {
381 QETH_DBF_TEXT(trace,2,"CMDREJi");
384 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
385 QETH_DBF_TEXT(trace,2,"AFFE");
388 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
389 QETH_DBF_TEXT(trace,2,"ZEROSEN");
392 QETH_DBF_TEXT(trace,2,"DGENCHK");
397 static int qeth_issue_next_read(struct qeth_card *);
403 qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
407 struct qeth_cmd_buffer *buffer;
408 struct qeth_channel *channel;
409 struct qeth_card *card;
411 QETH_DBF_TEXT(trace,5,"irq");
413 if (__qeth_check_irb_error(cdev, intparm, irb))
415 cstat = irb->scsw.cstat;
416 dstat = irb->scsw.dstat;
418 card = CARD_FROM_CDEV(cdev);
422 if (card->read.ccwdev == cdev){
423 channel = &card->read;
424 QETH_DBF_TEXT(trace,5,"read");
425 } else if (card->write.ccwdev == cdev) {
426 channel = &card->write;
427 QETH_DBF_TEXT(trace,5,"write");
429 channel = &card->data;
430 QETH_DBF_TEXT(trace,5,"data");
432 atomic_set(&channel->irq_pending, 0);
434 if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
435 channel->state = CH_STATE_STOPPED;
437 if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
438 channel->state = CH_STATE_HALTED;
440 /*let's wake up immediately on data channel*/
441 if ((channel == &card->data) && (intparm != 0) &&
442 (intparm != QETH_RCD_PARM))
445 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
446 QETH_DBF_TEXT(trace, 6, "clrchpar");
447 /* we don't have to handle this further */
450 if (intparm == QETH_HALT_CHANNEL_PARM) {
451 QETH_DBF_TEXT(trace, 6, "hltchpar");
452 /* we don't have to handle this further */
455 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
456 (dstat & DEV_STAT_UNIT_CHECK) ||
458 if (irb->esw.esw0.erw.cons) {
459 /* TODO: we should make this s390dbf */
460 PRINT_WARN("sense data available on channel %s.\n",
461 CHANNEL_ID(channel));
462 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat);
463 HEXDUMP16(WARN,"irb: ",irb);
464 HEXDUMP16(WARN,"sense data: ",irb->ecw);
466 if (intparm == QETH_RCD_PARM) {
467 channel->state = CH_STATE_DOWN;
470 rc = qeth_get_problem(cdev,irb);
472 qeth_schedule_recovery(card);
477 if (intparm == QETH_RCD_PARM) {
478 channel->state = CH_STATE_RCD_DONE;
482 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
483 buffer->state = BUF_STATE_PROCESSED;
485 if (channel == &card->data)
488 if (channel == &card->read &&
489 channel->state == CH_STATE_UP)
490 qeth_issue_next_read(card);
492 qeth_irq_tasklet((unsigned long)channel);
495 wake_up(&card->wait_q);
499 * tasklet function scheduled from irq handler
502 qeth_irq_tasklet(unsigned long data)
504 struct qeth_card *card;
505 struct qeth_channel *channel;
506 struct qeth_cmd_buffer *iob;
509 QETH_DBF_TEXT(trace,5,"irqtlet");
510 channel = (struct qeth_channel *) data;
512 index = channel->buf_no;
513 card = CARD_FROM_CDEV(channel->ccwdev);
514 while (iob[index].state == BUF_STATE_PROCESSED) {
515 if (iob[index].callback !=NULL) {
516 iob[index].callback(channel,iob + index);
518 index = (index + 1) % QETH_CMD_BUFFER_NO;
520 channel->buf_no = index;
521 wake_up(&card->wait_q);
524 static int qeth_stop_card(struct qeth_card *, int);
527 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
529 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
530 int rc = 0, rc2 = 0, rc3 = 0;
531 enum qeth_card_states recover_flag;
533 QETH_DBF_TEXT(setup, 3, "setoffl");
534 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
536 if (card->dev && netif_carrier_ok(card->dev))
537 netif_carrier_off(card->dev);
538 recover_flag = card->state;
539 if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){
540 PRINT_WARN("Stopping card %s interrupted by user!\n",
544 rc = ccw_device_set_offline(CARD_DDEV(card));
545 rc2 = ccw_device_set_offline(CARD_WDEV(card));
546 rc3 = ccw_device_set_offline(CARD_RDEV(card));
548 rc = (rc2) ? rc2 : rc3;
550 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
551 if (recover_flag == CARD_STATE_UP)
552 card->state = CARD_STATE_RECOVER;
553 qeth_notify_processes();
558 qeth_set_offline(struct ccwgroup_device *cgdev)
560 return __qeth_set_offline(cgdev, 0);
564 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads);
568 qeth_remove_device(struct ccwgroup_device *cgdev)
570 struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
573 QETH_DBF_TEXT(setup, 3, "rmdev");
574 QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
579 if (qeth_wait_for_threads(card, 0xffffffff))
582 if (cgdev->state == CCWGROUP_ONLINE){
583 card->use_hard_stop = 1;
584 qeth_set_offline(cgdev);
586 /* remove form our internal list */
587 write_lock_irqsave(&qeth_card_list.rwlock, flags);
588 list_del(&card->list);
589 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
591 unregister_netdev(card->dev);
592 qeth_remove_device_attributes(&cgdev->dev);
593 qeth_free_card(card);
594 cgdev->dev.driver_data = NULL;
595 put_device(&cgdev->dev);
599 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
601 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
604 * Add/remove address to/from card's ip list, i.e. try to add or remove
605 * reference to/from an IP address that is already registered on the card.
607 * 0 address was on card and its reference count has been adjusted,
608 * but is still > 0, so nothing has to be done
609 * also returns 0 if card was not on card and the todo was to delete
610 * the address -> there is also nothing to be done
611 * 1 address was not on card and the todo is to add it to the card's ip
613 * -1 address was on card and its reference count has been decremented
614 * to <= 0 by the todo -> address must be removed from card
617 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
618 struct qeth_ipaddr **__addr)
620 struct qeth_ipaddr *addr;
623 list_for_each_entry(addr, &card->ip_list, entry) {
624 if (card->options.layer2) {
625 if ((addr->type == todo->type) &&
626 (memcmp(&addr->mac, &todo->mac,
627 OSA_ADDR_LEN) == 0)) {
633 if ((addr->proto == QETH_PROT_IPV4) &&
634 (todo->proto == QETH_PROT_IPV4) &&
635 (addr->type == todo->type) &&
636 (addr->u.a4.addr == todo->u.a4.addr) &&
637 (addr->u.a4.mask == todo->u.a4.mask)) {
641 if ((addr->proto == QETH_PROT_IPV6) &&
642 (todo->proto == QETH_PROT_IPV6) &&
643 (addr->type == todo->type) &&
644 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
645 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
646 sizeof(struct in6_addr)) == 0)) {
652 addr->users += todo->users;
653 if (addr->users <= 0){
657 /* for VIPA and RXIP limit refcount to 1 */
658 if (addr->type != QETH_IP_TYPE_NORMAL)
663 if (todo->users > 0) {
664 /* for VIPA and RXIP limit refcount to 1 */
665 if (todo->type != QETH_IP_TYPE_NORMAL)
673 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
676 struct qeth_ipaddr *tmp;
678 list_for_each_entry(tmp, list, entry) {
679 if ((tmp->proto == QETH_PROT_IPV4) &&
680 (addr->proto == QETH_PROT_IPV4) &&
681 ((same_type && (tmp->type == addr->type)) ||
682 (!same_type && (tmp->type != addr->type)) ) &&
683 (tmp->u.a4.addr == addr->u.a4.addr) ){
686 if ((tmp->proto == QETH_PROT_IPV6) &&
687 (addr->proto == QETH_PROT_IPV6) &&
688 ((same_type && (tmp->type == addr->type)) ||
689 (!same_type && (tmp->type != addr->type)) ) &&
690 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
691 sizeof(struct in6_addr)) == 0) ) {
699 * Add IP to be added to todo list. If there is already an "add todo"
700 * in this list we just incremenent the reference count.
701 * Returns 0 if we just incremented reference count.
704 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
706 struct qeth_ipaddr *tmp, *t;
709 list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
710 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
711 (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
713 if (card->options.layer2) {
714 if ((tmp->type == addr->type) &&
715 (tmp->is_multicast == addr->is_multicast) &&
716 (memcmp(&tmp->mac, &addr->mac,
717 OSA_ADDR_LEN) == 0)) {
723 if ((tmp->proto == QETH_PROT_IPV4) &&
724 (addr->proto == QETH_PROT_IPV4) &&
725 (tmp->type == addr->type) &&
726 (tmp->is_multicast == addr->is_multicast) &&
727 (tmp->u.a4.addr == addr->u.a4.addr) &&
728 (tmp->u.a4.mask == addr->u.a4.mask)) {
732 if ((tmp->proto == QETH_PROT_IPV6) &&
733 (addr->proto == QETH_PROT_IPV6) &&
734 (tmp->type == addr->type) &&
735 (tmp->is_multicast == addr->is_multicast) &&
736 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
737 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
738 sizeof(struct in6_addr)) == 0)) {
744 if (addr->users != 0)
745 tmp->users += addr->users;
747 tmp->users += add? 1:-1;
748 if (tmp->users == 0) {
749 list_del(&tmp->entry);
754 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
755 list_add(&addr->entry, card->ip_tbd_list);
757 if (addr->users == 0)
758 addr->users += add? 1:-1;
759 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
760 qeth_is_addr_covered_by_ipato(card, addr)){
761 QETH_DBF_TEXT(trace, 2, "tkovaddr");
762 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
764 list_add_tail(&addr->entry, card->ip_tbd_list);
771 * Remove IP address from list
774 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
779 QETH_DBF_TEXT(trace, 4, "delip");
781 if (card->options.layer2)
782 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
783 else if (addr->proto == QETH_PROT_IPV4)
784 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
786 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
787 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
789 spin_lock_irqsave(&card->ip_lock, flags);
790 rc = __qeth_insert_ip_todo(card, addr, 0);
791 spin_unlock_irqrestore(&card->ip_lock, flags);
796 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
801 QETH_DBF_TEXT(trace, 4, "addip");
802 if (card->options.layer2)
803 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
804 else if (addr->proto == QETH_PROT_IPV4)
805 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
807 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
808 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
810 spin_lock_irqsave(&card->ip_lock, flags);
811 rc = __qeth_insert_ip_todo(card, addr, 1);
812 spin_unlock_irqrestore(&card->ip_lock, flags);
817 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
819 struct qeth_ipaddr *addr, *tmp;
822 list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
823 if (addr->is_multicast) {
824 spin_unlock_irqrestore(&card->ip_lock, *flags);
825 rc = qeth_deregister_addr_entry(card, addr);
826 spin_lock_irqsave(&card->ip_lock, *flags);
828 list_del(&addr->entry);
837 qeth_set_ip_addr_list(struct qeth_card *card)
839 struct list_head *tbd_list;
840 struct qeth_ipaddr *todo, *addr;
844 QETH_DBF_TEXT(trace, 2, "sdiplist");
845 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
847 spin_lock_irqsave(&card->ip_lock, flags);
848 tbd_list = card->ip_tbd_list;
849 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
850 if (!card->ip_tbd_list) {
851 QETH_DBF_TEXT(trace, 0, "silnomem");
852 card->ip_tbd_list = tbd_list;
853 spin_unlock_irqrestore(&card->ip_lock, flags);
856 INIT_LIST_HEAD(card->ip_tbd_list);
858 while (!list_empty(tbd_list)){
859 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
860 list_del(&todo->entry);
861 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
862 __qeth_delete_all_mc(card, &flags);
866 rc = __qeth_ref_ip_on_card(card, todo, &addr);
868 /* nothing to be done; only adjusted refcount */
870 } else if (rc == 1) {
871 /* new entry to be added to on-card list */
872 spin_unlock_irqrestore(&card->ip_lock, flags);
873 rc = qeth_register_addr_entry(card, todo);
874 spin_lock_irqsave(&card->ip_lock, flags);
876 list_add_tail(&todo->entry, &card->ip_list);
879 } else if (rc == -1) {
880 /* on-card entry to be removed */
881 list_del_init(&addr->entry);
882 spin_unlock_irqrestore(&card->ip_lock, flags);
883 rc = qeth_deregister_addr_entry(card, addr);
884 spin_lock_irqsave(&card->ip_lock, flags);
888 list_add_tail(&addr->entry, &card->ip_list);
892 spin_unlock_irqrestore(&card->ip_lock, flags);
896 static void qeth_delete_mc_addresses(struct qeth_card *);
897 static void qeth_add_multicast_ipv4(struct qeth_card *);
898 static void qeth_layer2_add_multicast(struct qeth_card *);
899 #ifdef CONFIG_QETH_IPV6
900 static void qeth_add_multicast_ipv6(struct qeth_card *);
904 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
908 spin_lock_irqsave(&card->thread_mask_lock, flags);
909 if ( !(card->thread_allowed_mask & thread) ||
910 (card->thread_start_mask & thread) ) {
911 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
914 card->thread_start_mask |= thread;
915 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
920 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
924 spin_lock_irqsave(&card->thread_mask_lock, flags);
925 card->thread_start_mask &= ~thread;
926 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
927 wake_up(&card->wait_q);
931 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
935 spin_lock_irqsave(&card->thread_mask_lock, flags);
936 card->thread_running_mask &= ~thread;
937 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
938 wake_up(&card->wait_q);
942 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
947 spin_lock_irqsave(&card->thread_mask_lock, flags);
948 if (card->thread_start_mask & thread){
949 if ((card->thread_allowed_mask & thread) &&
950 !(card->thread_running_mask & thread)){
952 card->thread_start_mask &= ~thread;
953 card->thread_running_mask |= thread;
957 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
962 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
966 wait_event(card->wait_q,
967 (rc = __qeth_do_run_thread(card, thread)) >= 0);
972 qeth_recover(void *ptr)
974 struct qeth_card *card;
977 card = (struct qeth_card *) ptr;
978 daemonize("qeth_recover");
979 QETH_DBF_TEXT(trace,2,"recover1");
980 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
981 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
983 QETH_DBF_TEXT(trace,2,"recover2");
984 PRINT_WARN("Recovery of device %s started ...\n",
986 card->use_hard_stop = 1;
987 __qeth_set_offline(card->gdev,1);
988 rc = __qeth_set_online(card->gdev,1);
989 /* don't run another scheduled recovery */
990 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
991 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
993 PRINT_INFO("Device %s successfully recovered!\n",
996 PRINT_INFO("Device %s could not be recovered!\n",
1002 qeth_schedule_recovery(struct qeth_card *card)
1004 QETH_DBF_TEXT(trace,2,"startrec");
1005 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
1006 schedule_work(&card->kernel_thread_starter);
1010 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1012 unsigned long flags;
1015 spin_lock_irqsave(&card->thread_mask_lock, flags);
1016 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
1017 (u8) card->thread_start_mask,
1018 (u8) card->thread_allowed_mask,
1019 (u8) card->thread_running_mask);
1020 rc = (card->thread_start_mask & thread);
1021 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1026 qeth_start_kernel_thread(struct work_struct *work)
1028 struct qeth_card *card = container_of(work, struct qeth_card, kernel_thread_starter);
1029 QETH_DBF_TEXT(trace , 2, "strthrd");
1031 if (card->read.state != CH_STATE_UP &&
1032 card->write.state != CH_STATE_UP)
1034 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1035 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1040 qeth_set_intial_options(struct qeth_card *card)
1042 card->options.route4.type = NO_ROUTER;
1043 #ifdef CONFIG_QETH_IPV6
1044 card->options.route6.type = NO_ROUTER;
1045 #endif /* QETH_IPV6 */
1046 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1047 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1048 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1049 card->options.fake_broadcast = 0;
1050 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1051 card->options.fake_ll = 0;
1052 if (card->info.type == QETH_CARD_TYPE_OSN)
1053 card->options.layer2 = 1;
1055 card->options.layer2 = 0;
1056 card->options.performance_stats = 0;
1060 * initialize channels ,card and all state machines
1063 qeth_setup_card(struct qeth_card *card)
1066 QETH_DBF_TEXT(setup, 2, "setupcrd");
1067 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
1069 card->read.state = CH_STATE_DOWN;
1070 card->write.state = CH_STATE_DOWN;
1071 card->data.state = CH_STATE_DOWN;
1072 card->state = CARD_STATE_DOWN;
1073 card->lan_online = 0;
1074 card->use_hard_stop = 0;
1076 #ifdef CONFIG_QETH_VLAN
1077 spin_lock_init(&card->vlanlock);
1078 card->vlangrp = NULL;
1080 spin_lock_init(&card->lock);
1081 spin_lock_init(&card->ip_lock);
1082 spin_lock_init(&card->thread_mask_lock);
1083 card->thread_start_mask = 0;
1084 card->thread_allowed_mask = 0;
1085 card->thread_running_mask = 0;
1086 INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread);
1087 INIT_LIST_HEAD(&card->ip_list);
1088 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL);
1089 if (!card->ip_tbd_list) {
1090 QETH_DBF_TEXT(setup, 0, "iptbdnom");
1093 INIT_LIST_HEAD(card->ip_tbd_list);
1094 INIT_LIST_HEAD(&card->cmd_waiter_list);
1095 init_waitqueue_head(&card->wait_q);
1096 /* intial options */
1097 qeth_set_intial_options(card);
1098 /* IP address takeover */
1099 INIT_LIST_HEAD(&card->ipato.entries);
1100 card->ipato.enabled = 0;
1101 card->ipato.invert4 = 0;
1102 card->ipato.invert6 = 0;
1103 /* init QDIO stuff */
1104 qeth_init_qdio_info(card);
1109 is_1920_device (struct qeth_card *card)
1111 int single_queue = 0;
1112 struct ccw_device *ccwdev;
1113 struct channelPath_dsc {
1124 QETH_DBF_TEXT(setup, 2, "chk_1920");
1126 ccwdev = card->data.ccwdev;
1127 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1128 if (chp_dsc != NULL) {
1129 /* CHPP field bit 6 == 1 -> single queue */
1130 single_queue = ((chp_dsc->chpp & 0x02) == 0x02);
1133 QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue);
1134 return single_queue;
1138 qeth_determine_card_type(struct qeth_card *card)
1142 QETH_DBF_TEXT(setup, 2, "detcdtyp");
1144 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1145 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1146 while (known_devices[i][4]) {
1147 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
1148 (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
1149 card->info.type = known_devices[i][4];
1150 card->qdio.no_out_queues = known_devices[i][8];
1151 card->info.is_multicast_different = known_devices[i][9];
1152 if (is_1920_device(card)) {
1153 PRINT_INFO("Priority Queueing not able "
1154 "due to hardware limitations!\n");
1155 card->qdio.no_out_queues = 1;
1156 card->qdio.default_out_queue = 0;
1162 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1163 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card));
1168 qeth_probe_device(struct ccwgroup_device *gdev)
1170 struct qeth_card *card;
1172 unsigned long flags;
1175 QETH_DBF_TEXT(setup, 2, "probedev");
1178 if (!get_device(dev))
1181 QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
1183 card = qeth_alloc_card();
1186 QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM);
1189 card->read.ccwdev = gdev->cdev[0];
1190 card->write.ccwdev = gdev->cdev[1];
1191 card->data.ccwdev = gdev->cdev[2];
1192 gdev->dev.driver_data = card;
1194 gdev->cdev[0]->handler = qeth_irq;
1195 gdev->cdev[1]->handler = qeth_irq;
1196 gdev->cdev[2]->handler = qeth_irq;
1198 if ((rc = qeth_determine_card_type(card))){
1199 PRINT_WARN("%s: not a valid card type\n", __func__);
1200 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1202 qeth_free_card(card);
1205 if ((rc = qeth_setup_card(card))){
1206 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1208 qeth_free_card(card);
1211 rc = qeth_create_device_attributes(dev);
1214 qeth_free_card(card);
1217 /* insert into our internal list */
1218 write_lock_irqsave(&qeth_card_list.rwlock, flags);
1219 list_add_tail(&card->list, &qeth_card_list.list);
1220 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
1225 static int qeth_read_conf_data(struct qeth_card *card, void **buffer,
1231 struct qeth_channel *channel = &card->data;
1232 unsigned long flags;
1235 * scan for RCD command in extended SenseID data
1237 ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD);
1238 if (!ciw || ciw->cmd == 0)
1240 rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
1244 channel->ccw.cmd_code = ciw->cmd;
1245 channel->ccw.cda = (__u32) __pa (rcd_buf);
1246 channel->ccw.count = ciw->count;
1247 channel->ccw.flags = CCW_FLAG_SLI;
1248 channel->state = CH_STATE_RCD;
1249 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1250 ret = ccw_device_start_timeout(channel->ccwdev, &channel->ccw,
1251 QETH_RCD_PARM, LPM_ANYPATH, 0,
1253 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1255 wait_event(card->wait_q,
1256 (channel->state == CH_STATE_RCD_DONE ||
1257 channel->state == CH_STATE_DOWN));
1258 if (channel->state == CH_STATE_DOWN)
1261 channel->state = CH_STATE_DOWN;
1267 *length = ciw->count;
1274 qeth_get_unitaddr(struct qeth_card *card)
1280 QETH_DBF_TEXT(setup, 2, "getunit");
1281 rc = qeth_read_conf_data(card, (void **) &prcd, &length);
1283 PRINT_ERR("qeth_read_conf_data for device %s returned %i\n",
1284 CARD_DDEV_ID(card), rc);
1287 card->info.chpid = prcd[30];
1288 card->info.unit_addr2 = prcd[31];
1289 card->info.cula = prcd[63];
1290 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1291 (prcd[0x11] == _ascebc['M']));
1297 qeth_init_tokens(struct qeth_card *card)
1299 card->token.issuer_rm_w = 0x00010103UL;
1300 card->token.cm_filter_w = 0x00010108UL;
1301 card->token.cm_connection_w = 0x0001010aUL;
1302 card->token.ulp_filter_w = 0x0001010bUL;
1303 card->token.ulp_connection_w = 0x0001010dUL;
1307 raw_devno_from_bus_id(char *id)
1309 id += (strlen(id) - 4);
1310 return (__u16) simple_strtoul(id, &id, 16);
1316 qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len)
1318 struct qeth_card *card;
1320 QETH_DBF_TEXT(trace, 4, "setupccw");
1321 card = CARD_FROM_CDEV(channel->ccwdev);
1322 if (channel == &card->read)
1323 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1325 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1326 channel->ccw.count = len;
1327 channel->ccw.cda = (__u32) __pa(iob);
1331 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1333 static struct qeth_cmd_buffer *
1334 __qeth_get_buffer(struct qeth_channel *channel)
1338 QETH_DBF_TEXT(trace, 6, "getbuff");
1339 index = channel->io_buf_no;
1341 if (channel->iob[index].state == BUF_STATE_FREE) {
1342 channel->iob[index].state = BUF_STATE_LOCKED;
1343 channel->io_buf_no = (channel->io_buf_no + 1) %
1345 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
1346 return channel->iob + index;
1348 index = (index + 1) % QETH_CMD_BUFFER_NO;
1349 } while(index != channel->io_buf_no);
1355 * release command buffer
1358 qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1360 unsigned long flags;
1362 QETH_DBF_TEXT(trace, 6, "relbuff");
1363 spin_lock_irqsave(&channel->iob_lock, flags);
1364 memset(iob->data, 0, QETH_BUFSIZE);
1365 iob->state = BUF_STATE_FREE;
1366 iob->callback = qeth_send_control_data_cb;
1368 spin_unlock_irqrestore(&channel->iob_lock, flags);
1371 static struct qeth_cmd_buffer *
1372 qeth_get_buffer(struct qeth_channel *channel)
1374 struct qeth_cmd_buffer *buffer = NULL;
1375 unsigned long flags;
1377 spin_lock_irqsave(&channel->iob_lock, flags);
1378 buffer = __qeth_get_buffer(channel);
1379 spin_unlock_irqrestore(&channel->iob_lock, flags);
1383 static struct qeth_cmd_buffer *
1384 qeth_wait_for_buffer(struct qeth_channel *channel)
1386 struct qeth_cmd_buffer *buffer;
1387 wait_event(channel->wait_q,
1388 ((buffer = qeth_get_buffer(channel)) != NULL));
1393 qeth_clear_cmd_buffers(struct qeth_channel *channel)
1397 for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1398 qeth_release_buffer(channel,&channel->iob[cnt]);
1399 channel->buf_no = 0;
1400 channel->io_buf_no = 0;
1404 * start IDX for read and write channel
1407 qeth_idx_activate_get_answer(struct qeth_channel *channel,
1408 void (*idx_reply_cb)(struct qeth_channel *,
1409 struct qeth_cmd_buffer *))
1411 struct qeth_cmd_buffer *iob;
1412 unsigned long flags;
1414 struct qeth_card *card;
1416 QETH_DBF_TEXT(setup, 2, "idxanswr");
1417 card = CARD_FROM_CDEV(channel->ccwdev);
1418 iob = qeth_get_buffer(channel);
1419 iob->callback = idx_reply_cb;
1420 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1421 channel->ccw.count = QETH_BUFSIZE;
1422 channel->ccw.cda = (__u32) __pa(iob->data);
1424 wait_event(card->wait_q,
1425 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1426 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1427 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1428 rc = ccw_device_start(channel->ccwdev,
1429 &channel->ccw,(addr_t) iob, 0, 0);
1430 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1433 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc);
1434 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
1435 atomic_set(&channel->irq_pending, 0);
1436 wake_up(&card->wait_q);
1439 rc = wait_event_interruptible_timeout(card->wait_q,
1440 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1441 if (rc == -ERESTARTSYS)
1443 if (channel->state != CH_STATE_UP){
1445 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
1446 qeth_clear_cmd_buffers(channel);
1453 qeth_idx_activate_channel(struct qeth_channel *channel,
1454 void (*idx_reply_cb)(struct qeth_channel *,
1455 struct qeth_cmd_buffer *))
1457 struct qeth_card *card;
1458 struct qeth_cmd_buffer *iob;
1459 unsigned long flags;
1463 card = CARD_FROM_CDEV(channel->ccwdev);
1465 QETH_DBF_TEXT(setup, 2, "idxactch");
1467 iob = qeth_get_buffer(channel);
1468 iob->callback = idx_reply_cb;
1469 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1470 channel->ccw.count = IDX_ACTIVATE_SIZE;
1471 channel->ccw.cda = (__u32) __pa(iob->data);
1472 if (channel == &card->write) {
1473 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1474 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1475 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1476 card->seqno.trans_hdr++;
1478 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1479 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1480 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1482 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1483 &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH);
1484 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1485 &card->info.func_level,sizeof(__u16));
1486 temp = raw_devno_from_bus_id(CARD_DDEV_ID(card));
1487 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2);
1488 temp = (card->info.cula << 8) + card->info.unit_addr2;
1489 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1491 wait_event(card->wait_q,
1492 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1493 QETH_DBF_TEXT(setup, 6, "noirqpnd");
1494 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1495 rc = ccw_device_start(channel->ccwdev,
1496 &channel->ccw,(addr_t) iob, 0, 0);
1497 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1500 PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc);
1501 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
1502 atomic_set(&channel->irq_pending, 0);
1503 wake_up(&card->wait_q);
1506 rc = wait_event_interruptible_timeout(card->wait_q,
1507 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1508 if (rc == -ERESTARTSYS)
1510 if (channel->state != CH_STATE_ACTIVATING) {
1511 PRINT_WARN("qeth: IDX activate timed out!\n");
1512 QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME);
1513 qeth_clear_cmd_buffers(channel);
1516 return qeth_idx_activate_get_answer(channel,idx_reply_cb);
1520 qeth_peer_func_level(int level)
1522 if ((level & 0xff) == 8)
1523 return (level & 0xff) + 0x400;
1524 if (((level >> 8) & 3) == 1)
1525 return (level & 0xff) + 0x200;
1530 qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1532 struct qeth_card *card;
1535 QETH_DBF_TEXT(setup ,2, "idxwrcb");
1537 if (channel->state == CH_STATE_DOWN) {
1538 channel->state = CH_STATE_ACTIVATING;
1541 card = CARD_FROM_CDEV(channel->ccwdev);
1543 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1544 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1545 "reply\n", CARD_WDEV_ID(card));
1548 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1549 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1550 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1551 "function level mismatch "
1552 "(sent: 0x%x, received: 0x%x)\n",
1553 CARD_WDEV_ID(card), card->info.func_level, temp);
1556 channel->state = CH_STATE_UP;
1558 qeth_release_buffer(channel, iob);
1562 qeth_check_idx_response(unsigned char *buffer)
1567 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1568 if ((buffer[2] & 0xc0) == 0xc0) {
1569 PRINT_WARN("received an IDX TERMINATE "
1570 "with cause code 0x%02x%s\n",
1572 ((buffer[4] == 0x22) ?
1573 " -- try another portname" : ""));
1574 QETH_DBF_TEXT(trace, 2, "ckidxres");
1575 QETH_DBF_TEXT(trace, 2, " idxterm");
1576 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1583 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1585 struct qeth_card *card;
1588 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1589 if (channel->state == CH_STATE_DOWN) {
1590 channel->state = CH_STATE_ACTIVATING;
1594 card = CARD_FROM_CDEV(channel->ccwdev);
1595 if (qeth_check_idx_response(iob->data)) {
1598 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1599 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1600 "reply\n", CARD_RDEV_ID(card));
1605 * temporary fix for microcode bug
1606 * to revert it,replace OR by AND
1608 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1609 (card->info.type == QETH_CARD_TYPE_OSAE) )
1610 card->info.portname_required = 1;
1612 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1613 if (temp != qeth_peer_func_level(card->info.func_level)) {
1614 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1615 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1616 CARD_RDEV_ID(card), card->info.func_level, temp);
1619 memcpy(&card->token.issuer_rm_r,
1620 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1621 QETH_MPC_TOKEN_LENGTH);
1622 memcpy(&card->info.mcl_level[0],
1623 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1624 channel->state = CH_STATE_UP;
1626 qeth_release_buffer(channel,iob);
1630 qeth_issue_next_read(struct qeth_card *card)
1633 struct qeth_cmd_buffer *iob;
1635 QETH_DBF_TEXT(trace,5,"issnxrd");
1636 if (card->read.state != CH_STATE_UP)
1638 iob = qeth_get_buffer(&card->read);
1640 PRINT_WARN("issue_next_read failed: no iob available!\n");
1643 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1644 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1645 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1646 (addr_t) iob, 0, 0);
1648 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1649 atomic_set(&card->read.irq_pending, 0);
1650 qeth_schedule_recovery(card);
1651 wake_up(&card->wait_q);
1656 static struct qeth_reply *
1657 qeth_alloc_reply(struct qeth_card *card)
1659 struct qeth_reply *reply;
1661 reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1663 atomic_set(&reply->refcnt, 1);
1664 atomic_set(&reply->received, 0);
1671 qeth_get_reply(struct qeth_reply *reply)
1673 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1674 atomic_inc(&reply->refcnt);
1678 qeth_put_reply(struct qeth_reply *reply)
1680 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1681 if (atomic_dec_and_test(&reply->refcnt))
1686 qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, struct qeth_card *card)
1692 com = cmd->hdr.command;
1693 rc = cmd->hdr.return_code;
1694 ipa_name = qeth_get_ipa_cmd_name(com);
1696 PRINT_ERR("%s(x%X) for %s returned x%X \"%s\"\n", ipa_name, com,
1697 QETH_CARD_IFNAME(card), rc, qeth_get_ipa_msg(rc));
1700 static struct qeth_ipa_cmd *
1701 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1703 struct qeth_ipa_cmd *cmd = NULL;
1705 QETH_DBF_TEXT(trace,5,"chkipad");
1706 if (IS_IPA(iob->data)){
1707 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1708 if (IS_IPA_REPLY(cmd)) {
1709 if (cmd->hdr.return_code)
1710 qeth_issue_ipa_msg(cmd, card);
1714 switch (cmd->hdr.command) {
1715 case IPA_CMD_STOPLAN:
1716 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1717 "there is a network problem or "
1718 "someone pulled the cable or "
1719 "disabled the port.\n",
1720 QETH_CARD_IFNAME(card),
1722 card->lan_online = 0;
1723 if (card->dev && netif_carrier_ok(card->dev))
1724 netif_carrier_off(card->dev);
1726 case IPA_CMD_STARTLAN:
1727 PRINT_INFO("Link reestablished on %s "
1728 "(CHPID 0x%X). Scheduling "
1729 "IP address reset.\n",
1730 QETH_CARD_IFNAME(card),
1732 netif_carrier_on(card->dev);
1733 qeth_schedule_recovery(card);
1735 case IPA_CMD_MODCCID:
1737 case IPA_CMD_REGISTER_LOCAL_ADDR:
1738 QETH_DBF_TEXT(trace,3, "irla");
1740 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1741 QETH_DBF_TEXT(trace,3, "urla");
1744 PRINT_WARN("Received data is IPA "
1745 "but not a reply!\n");
1754 * wake all waiting ipa commands
1757 qeth_clear_ipacmd_list(struct qeth_card *card)
1759 struct qeth_reply *reply, *r;
1760 unsigned long flags;
1762 QETH_DBF_TEXT(trace, 4, "clipalst");
1764 spin_lock_irqsave(&card->lock, flags);
1765 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1766 qeth_get_reply(reply);
1768 atomic_inc(&reply->received);
1769 list_del_init(&reply->list);
1770 wake_up(&reply->wait_q);
1771 qeth_put_reply(reply);
1773 spin_unlock_irqrestore(&card->lock, flags);
1777 qeth_send_control_data_cb(struct qeth_channel *channel,
1778 struct qeth_cmd_buffer *iob)
1780 struct qeth_card *card;
1781 struct qeth_reply *reply, *r;
1782 struct qeth_ipa_cmd *cmd;
1783 unsigned long flags;
1786 QETH_DBF_TEXT(trace,4,"sndctlcb");
1788 card = CARD_FROM_CDEV(channel->ccwdev);
1789 if (qeth_check_idx_response(iob->data)) {
1790 qeth_clear_ipacmd_list(card);
1791 qeth_schedule_recovery(card);
1795 cmd = qeth_check_ipa_data(card, iob);
1796 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1798 /*in case of OSN : check if cmd is set */
1799 if (card->info.type == QETH_CARD_TYPE_OSN &&
1801 cmd->hdr.command != IPA_CMD_STARTLAN &&
1802 card->osn_info.assist_cb != NULL) {
1803 card->osn_info.assist_cb(card->dev, cmd);
1807 spin_lock_irqsave(&card->lock, flags);
1808 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1809 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1810 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1811 qeth_get_reply(reply);
1812 list_del_init(&reply->list);
1813 spin_unlock_irqrestore(&card->lock, flags);
1815 if (reply->callback != NULL) {
1817 reply->offset = (__u16)((char*)cmd -
1819 keep_reply = reply->callback(card,
1821 (unsigned long)cmd);
1823 keep_reply = reply->callback(card,
1825 (unsigned long)iob);
1828 reply->rc = (u16) cmd->hdr.return_code;
1830 reply->rc = iob->rc;
1832 spin_lock_irqsave(&card->lock, flags);
1833 list_add_tail(&reply->list,
1834 &card->cmd_waiter_list);
1835 spin_unlock_irqrestore(&card->lock, flags);
1837 atomic_inc(&reply->received);
1838 wake_up(&reply->wait_q);
1840 qeth_put_reply(reply);
1844 spin_unlock_irqrestore(&card->lock, flags);
1846 memcpy(&card->seqno.pdu_hdr_ack,
1847 QETH_PDU_HEADER_SEQ_NO(iob->data),
1848 QETH_SEQ_NO_LENGTH);
1849 qeth_release_buffer(channel,iob);
1853 qeth_prepare_control_data(struct qeth_card *card, int len,
1854 struct qeth_cmd_buffer *iob)
1856 qeth_setup_ccw(&card->write,iob->data,len);
1857 iob->callback = qeth_release_buffer;
1859 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1860 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1861 card->seqno.trans_hdr++;
1862 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1863 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1864 card->seqno.pdu_hdr++;
1865 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1866 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1867 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1871 qeth_send_control_data(struct qeth_card *card, int len,
1872 struct qeth_cmd_buffer *iob,
1874 (struct qeth_card *, struct qeth_reply*, unsigned long),
1879 unsigned long flags;
1880 struct qeth_reply *reply = NULL;
1881 unsigned long timeout;
1883 QETH_DBF_TEXT(trace, 2, "sendctl");
1885 reply = qeth_alloc_reply(card);
1887 PRINT_WARN("Could no alloc qeth_reply!\n");
1890 reply->callback = reply_cb;
1891 reply->param = reply_param;
1892 if (card->state == CARD_STATE_DOWN)
1893 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1895 reply->seqno = card->seqno.ipa++;
1896 init_waitqueue_head(&reply->wait_q);
1897 spin_lock_irqsave(&card->lock, flags);
1898 list_add_tail(&reply->list, &card->cmd_waiter_list);
1899 spin_unlock_irqrestore(&card->lock, flags);
1900 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1902 while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ;
1903 qeth_prepare_control_data(card, len, iob);
1905 if (IS_IPA(iob->data))
1906 timeout = jiffies + QETH_IPA_TIMEOUT;
1908 timeout = jiffies + QETH_TIMEOUT;
1910 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1911 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1912 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1913 (addr_t) iob, 0, 0);
1914 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1916 PRINT_WARN("qeth_send_control_data: "
1917 "ccw_device_start rc = %i\n", rc);
1918 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1919 spin_lock_irqsave(&card->lock, flags);
1920 list_del_init(&reply->list);
1921 qeth_put_reply(reply);
1922 spin_unlock_irqrestore(&card->lock, flags);
1923 qeth_release_buffer(iob->channel, iob);
1924 atomic_set(&card->write.irq_pending, 0);
1925 wake_up(&card->wait_q);
1928 while (!atomic_read(&reply->received)) {
1929 if (time_after(jiffies, timeout)) {
1930 spin_lock_irqsave(&reply->card->lock, flags);
1931 list_del_init(&reply->list);
1932 spin_unlock_irqrestore(&reply->card->lock, flags);
1934 atomic_inc(&reply->received);
1935 wake_up(&reply->wait_q);
1939 qeth_put_reply(reply);
1944 qeth_osn_send_control_data(struct qeth_card *card, int len,
1945 struct qeth_cmd_buffer *iob)
1947 unsigned long flags;
1950 QETH_DBF_TEXT(trace, 5, "osndctrd");
1952 wait_event(card->wait_q,
1953 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1954 qeth_prepare_control_data(card, len, iob);
1955 QETH_DBF_TEXT(trace, 6, "osnoirqp");
1956 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1957 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1958 (addr_t) iob, 0, 0);
1959 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1961 PRINT_WARN("qeth_osn_send_control_data: "
1962 "ccw_device_start rc = %i\n", rc);
1963 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1964 qeth_release_buffer(iob->channel, iob);
1965 atomic_set(&card->write.irq_pending, 0);
1966 wake_up(&card->wait_q);
1972 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1975 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1976 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1977 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1978 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1982 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1987 QETH_DBF_TEXT(trace,4,"osndipa");
1989 qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
1990 s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
1992 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
1993 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
1994 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
1995 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
1996 return qeth_osn_send_control_data(card, s1, iob);
2000 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
2002 (struct qeth_card *,struct qeth_reply*, unsigned long),
2008 QETH_DBF_TEXT(trace,4,"sendipa");
2010 if (card->options.layer2)
2011 if (card->info.type == QETH_CARD_TYPE_OSN)
2012 prot_type = QETH_PROT_OSN2;
2014 prot_type = QETH_PROT_LAYER2;
2016 prot_type = QETH_PROT_TCPIP;
2017 qeth_prepare_ipa_cmd(card,iob,prot_type);
2018 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
2019 reply_cb, reply_param);
2025 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2028 struct qeth_cmd_buffer *iob;
2030 QETH_DBF_TEXT(setup, 2, "cmenblcb");
2032 iob = (struct qeth_cmd_buffer *) data;
2033 memcpy(&card->token.cm_filter_r,
2034 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2035 QETH_MPC_TOKEN_LENGTH);
2036 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2041 qeth_cm_enable(struct qeth_card *card)
2044 struct qeth_cmd_buffer *iob;
2046 QETH_DBF_TEXT(setup,2,"cmenable");
2048 iob = qeth_wait_for_buffer(&card->write);
2049 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2050 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2051 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2052 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2053 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2055 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2056 qeth_cm_enable_cb, NULL);
2061 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2065 struct qeth_cmd_buffer *iob;
2067 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
2069 iob = (struct qeth_cmd_buffer *) data;
2070 memcpy(&card->token.cm_connection_r,
2071 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2072 QETH_MPC_TOKEN_LENGTH);
2073 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2078 qeth_cm_setup(struct qeth_card *card)
2081 struct qeth_cmd_buffer *iob;
2083 QETH_DBF_TEXT(setup,2,"cmsetup");
2085 iob = qeth_wait_for_buffer(&card->write);
2086 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2087 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2088 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2089 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2090 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2091 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2092 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2093 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2094 qeth_cm_setup_cb, NULL);
2100 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2104 __u16 mtu, framesize;
2107 struct qeth_cmd_buffer *iob;
2109 QETH_DBF_TEXT(setup, 2, "ulpenacb");
2111 iob = (struct qeth_cmd_buffer *) data;
2112 memcpy(&card->token.ulp_filter_r,
2113 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2114 QETH_MPC_TOKEN_LENGTH);
2115 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2116 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2117 mtu = qeth_get_mtu_outof_framesize(framesize);
2120 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2123 card->info.max_mtu = mtu;
2124 card->info.initial_mtu = mtu;
2125 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2127 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2128 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2129 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2132 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2133 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2135 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2136 card->info.link_type = link_type;
2138 card->info.link_type = 0;
2139 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2144 qeth_ulp_enable(struct qeth_card *card)
2148 struct qeth_cmd_buffer *iob;
2150 /*FIXME: trace view callbacks*/
2151 QETH_DBF_TEXT(setup,2,"ulpenabl");
2153 iob = qeth_wait_for_buffer(&card->write);
2154 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2156 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2157 (__u8) card->info.portno;
2158 if (card->options.layer2)
2159 if (card->info.type == QETH_CARD_TYPE_OSN)
2160 prot_type = QETH_PROT_OSN2;
2162 prot_type = QETH_PROT_LAYER2;
2164 prot_type = QETH_PROT_TCPIP;
2166 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2167 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2168 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2169 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2170 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2171 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2172 card->info.portname, 9);
2173 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2174 qeth_ulp_enable_cb, NULL);
2180 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2183 struct qeth_cmd_buffer *iob;
2185 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2187 iob = (struct qeth_cmd_buffer *) data;
2188 memcpy(&card->token.ulp_connection_r,
2189 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2190 QETH_MPC_TOKEN_LENGTH);
2191 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2196 qeth_ulp_setup(struct qeth_card *card)
2200 struct qeth_cmd_buffer *iob;
2201 struct ccw_dev_id dev_id;
2203 QETH_DBF_TEXT(setup,2,"ulpsetup");
2205 iob = qeth_wait_for_buffer(&card->write);
2206 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2208 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2209 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2210 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2211 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2212 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2213 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2215 ccw_device_get_id(CARD_DDEV(card), &dev_id);
2216 memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2);
2217 temp = (card->info.cula << 8) + card->info.unit_addr2;
2218 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2219 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2220 qeth_ulp_setup_cb, NULL);
2225 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2226 unsigned int siga_error, const char *dbftext)
2228 if (qdio_error || siga_error) {
2229 QETH_DBF_TEXT(trace, 2, dbftext);
2230 QETH_DBF_TEXT(qerr, 2, dbftext);
2231 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2232 buf->element[15].flags & 0xff);
2233 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2234 buf->element[14].flags & 0xff);
2235 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2236 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2242 static struct sk_buff *
2243 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2245 struct sk_buff* skb;
2249 if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2250 add_len = sizeof(struct qeth_hdr);
2251 #ifdef CONFIG_QETH_VLAN
2253 add_len = VLAN_HLEN;
2255 skb = dev_alloc_skb(length + add_len);
2257 skb_reserve(skb, add_len);
2261 static struct sk_buff *
2262 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2263 struct qdio_buffer_element **__element, int *__offset,
2264 struct qeth_hdr **hdr)
2266 struct qdio_buffer_element *element = *__element;
2267 int offset = *__offset;
2268 struct sk_buff *skb = NULL;
2273 QETH_DBF_TEXT(trace,6,"nextskb");
2274 /* qeth_hdr must not cross element boundaries */
2275 if (element->length < offset + sizeof(struct qeth_hdr)){
2276 if (qeth_is_last_sbale(element))
2280 if (element->length < sizeof(struct qeth_hdr))
2283 *hdr = element->addr + offset;
2285 offset += sizeof(struct qeth_hdr);
2286 if (card->options.layer2)
2287 if (card->info.type == QETH_CARD_TYPE_OSN)
2288 skb_len = (*hdr)->hdr.osn.pdu_length;
2290 skb_len = (*hdr)->hdr.l2.pkt_length;
2292 skb_len = (*hdr)->hdr.l3.length;
2296 if (card->options.fake_ll){
2297 if(card->dev->type == ARPHRD_IEEE802_TR){
2298 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr)))
2300 skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
2302 if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr)))
2304 skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
2306 } else if (!(skb = qeth_get_skb(skb_len, *hdr)))
2308 data_ptr = element->addr + offset;
2310 data_len = min(skb_len, (int)(element->length - offset));
2312 memcpy(skb_put(skb, data_len), data_ptr, data_len);
2313 skb_len -= data_len;
2315 if (qeth_is_last_sbale(element)){
2316 QETH_DBF_TEXT(trace,4,"unexeob");
2317 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2318 QETH_DBF_TEXT(qerr,2,"unexeob");
2319 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2320 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2321 dev_kfree_skb_any(skb);
2322 card->stats.rx_errors++;
2327 data_ptr = element->addr;
2332 *__element = element;
2336 if (net_ratelimit()){
2337 PRINT_WARN("No memory for packet received on %s.\n",
2338 QETH_CARD_IFNAME(card));
2339 QETH_DBF_TEXT(trace,2,"noskbmem");
2340 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2342 card->stats.rx_dropped++;
2347 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2349 struct qeth_card *card;
2352 QETH_DBF_TEXT(trace,6,"typtrans");
2354 card = (struct qeth_card *)dev->priv;
2356 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2357 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2358 return tr_type_trans(skb,dev);
2359 #endif /* CONFIG_TR */
2360 skb_reset_mac_header(skb);
2361 skb_pull(skb, ETH_HLEN );
2364 if (*eth->h_dest & 1) {
2365 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2366 skb->pkt_type = PACKET_BROADCAST;
2368 skb->pkt_type = PACKET_MULTICAST;
2369 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2370 skb->pkt_type = PACKET_OTHERHOST;
2372 if (ntohs(eth->h_proto) >= 1536)
2373 return eth->h_proto;
2374 if (*(unsigned short *) (skb->data) == 0xFFFF)
2375 return htons(ETH_P_802_3);
2376 return htons(ETH_P_802_2);
2380 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2381 struct qeth_hdr *hdr)
2383 struct trh_hdr *fake_hdr;
2384 struct trllc *fake_llc;
2385 struct iphdr *ip_hdr;
2387 QETH_DBF_TEXT(trace,5,"skbfktr");
2388 skb_set_mac_header(skb, -QETH_FAKE_LL_LEN_TR);
2389 /* this is a fake ethernet header */
2390 fake_hdr = tr_hdr(skb);
2392 /* the destination MAC address */
2393 switch (skb->pkt_type){
2394 case PACKET_MULTICAST:
2395 switch (skb->protocol){
2396 #ifdef CONFIG_QETH_IPV6
2397 case __constant_htons(ETH_P_IPV6):
2398 ndisc_mc_map((struct in6_addr *)
2399 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2400 fake_hdr->daddr, card->dev, 0);
2402 #endif /* CONFIG_QETH_IPV6 */
2403 case __constant_htons(ETH_P_IP):
2404 ip_hdr = (struct iphdr *)skb->data;
2405 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2408 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2411 case PACKET_BROADCAST:
2412 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2415 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2417 /* the source MAC address */
2418 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2419 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2421 memset(fake_hdr->saddr, 0, TR_ALEN);
2423 fake_llc = (struct trllc*)&(fake_hdr->rcf);
2424 fake_llc->dsap = EXTENDED_SAP;
2425 fake_llc->ssap = EXTENDED_SAP;
2426 fake_llc->llc = UI_CMD;
2427 fake_llc->protid[0] = 0;
2428 fake_llc->protid[1] = 0;
2429 fake_llc->protid[2] = 0;
2430 fake_llc->ethertype = ETH_P_IP;
2434 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2435 struct qeth_hdr *hdr)
2437 struct ethhdr *fake_hdr;
2438 struct iphdr *ip_hdr;
2440 QETH_DBF_TEXT(trace,5,"skbfketh");
2441 skb_set_mac_header(skb, -QETH_FAKE_LL_LEN_ETH);
2442 /* this is a fake ethernet header */
2443 fake_hdr = eth_hdr(skb);
2445 /* the destination MAC address */
2446 switch (skb->pkt_type){
2447 case PACKET_MULTICAST:
2448 switch (skb->protocol){
2449 #ifdef CONFIG_QETH_IPV6
2450 case __constant_htons(ETH_P_IPV6):
2451 ndisc_mc_map((struct in6_addr *)
2452 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2453 fake_hdr->h_dest, card->dev, 0);
2455 #endif /* CONFIG_QETH_IPV6 */
2456 case __constant_htons(ETH_P_IP):
2457 ip_hdr = (struct iphdr *)skb->data;
2458 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2461 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2464 case PACKET_BROADCAST:
2465 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2468 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2470 /* the source MAC address */
2471 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2472 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2474 memset(fake_hdr->h_source, 0, ETH_ALEN);
2476 fake_hdr->h_proto = skb->protocol;
2480 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2481 struct qeth_hdr *hdr)
2483 if (card->dev->type == ARPHRD_IEEE802_TR)
2484 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2486 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2490 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2491 struct qeth_hdr *hdr)
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 *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2503 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2504 struct qeth_hdr *hdr)
2506 unsigned short vlan_id = 0;
2507 #ifdef CONFIG_QETH_IPV6
2508 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2509 skb->pkt_type = PACKET_HOST;
2510 skb->protocol = qeth_type_trans(skb, card->dev);
2513 #endif /* CONFIG_QETH_IPV6 */
2514 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2516 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2517 case QETH_CAST_UNICAST:
2518 skb->pkt_type = PACKET_HOST;
2520 case QETH_CAST_MULTICAST:
2521 skb->pkt_type = PACKET_MULTICAST;
2522 card->stats.multicast++;
2524 case QETH_CAST_BROADCAST:
2525 skb->pkt_type = PACKET_BROADCAST;
2526 card->stats.multicast++;
2528 case QETH_CAST_ANYCAST:
2529 case QETH_CAST_NOCAST:
2531 skb->pkt_type = PACKET_HOST;
2534 if (hdr->hdr.l3.ext_flags &
2535 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2536 vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2537 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2540 if (card->options.fake_ll)
2541 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2543 skb_reset_mac_header(skb);
2544 skb->ip_summed = card->options.checksum_type;
2545 if (card->options.checksum_type == HW_CHECKSUMMING){
2546 if ( (hdr->hdr.l3.ext_flags &
2547 (QETH_HDR_EXT_CSUM_HDR_REQ |
2548 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2549 (QETH_HDR_EXT_CSUM_HDR_REQ |
2550 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2551 skb->ip_summed = CHECKSUM_UNNECESSARY;
2553 skb->ip_summed = SW_CHECKSUMMING;
2559 qeth_process_inbound_buffer(struct qeth_card *card,
2560 struct qeth_qdio_buffer *buf, int index)
2562 struct qdio_buffer_element *element;
2563 struct sk_buff *skb;
2564 struct qeth_hdr *hdr;
2569 /* get first element of current buffer */
2570 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2572 if (card->options.performance_stats)
2573 card->perf_stats.bufs_rec++;
2574 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2576 skb->dev = card->dev;
2577 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2578 qeth_layer2_rebuild_skb(card, skb, hdr);
2579 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2580 vlan_tag = qeth_rebuild_skb(card, skb, hdr);
2581 else { /*in case of OSN*/
2582 skb_push(skb, sizeof(struct qeth_hdr));
2583 skb_copy_to_linear_data(skb, hdr,
2584 sizeof(struct qeth_hdr));
2586 /* is device UP ? */
2587 if (!(card->dev->flags & IFF_UP)){
2588 dev_kfree_skb_any(skb);
2591 if (card->info.type == QETH_CARD_TYPE_OSN)
2592 rxrc = card->osn_info.data_cb(skb);
2594 #ifdef CONFIG_QETH_VLAN
2597 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2599 dev_kfree_skb_any(skb);
2604 rxrc = netif_rx(skb);
2605 card->dev->last_rx = jiffies;
2606 card->stats.rx_packets++;
2607 card->stats.rx_bytes += skb->len;
2611 static struct qeth_buffer_pool_entry *
2612 qeth_get_buffer_pool_entry(struct qeth_card *card)
2614 struct qeth_buffer_pool_entry *entry;
2616 QETH_DBF_TEXT(trace, 6, "gtbfplen");
2617 if (!list_empty(&card->qdio.in_buf_pool.entry_list)) {
2618 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2619 struct qeth_buffer_pool_entry, list);
2620 list_del_init(&entry->list);
2627 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2629 struct qeth_buffer_pool_entry *pool_entry;
2632 pool_entry = qeth_get_buffer_pool_entry(card);
2634 * since the buffer is accessed only from the input_tasklet
2635 * there shouldn't be a need to synchronize; also, since we use
2636 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2639 BUG_ON(!pool_entry);
2641 buf->pool_entry = pool_entry;
2642 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2643 buf->buffer->element[i].length = PAGE_SIZE;
2644 buf->buffer->element[i].addr = pool_entry->elements[i];
2645 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2646 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2648 buf->buffer->element[i].flags = 0;
2650 buf->state = QETH_QDIO_BUF_EMPTY;
2654 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2655 struct qeth_qdio_out_buffer *buf)
2658 struct sk_buff *skb;
2660 /* is PCI flag set on buffer? */
2661 if (buf->buffer->element[0].flags & 0x40)
2662 atomic_dec(&queue->set_pci_flags_count);
2664 while ((skb = skb_dequeue(&buf->skb_list))){
2665 atomic_dec(&skb->users);
2666 dev_kfree_skb_any(skb);
2668 qeth_eddp_buf_release_contexts(buf);
2669 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2670 buf->buffer->element[i].length = 0;
2671 buf->buffer->element[i].addr = NULL;
2672 buf->buffer->element[i].flags = 0;
2674 buf->next_element_to_fill = 0;
2675 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2679 qeth_queue_input_buffer(struct qeth_card *card, int index)
2681 struct qeth_qdio_q *queue = card->qdio.in_q;
2686 QETH_DBF_TEXT(trace,6,"queinbuf");
2687 count = (index < queue->next_buf_to_init)?
2688 card->qdio.in_buf_pool.buf_count -
2689 (queue->next_buf_to_init - index) :
2690 card->qdio.in_buf_pool.buf_count -
2691 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2692 /* only requeue at a certain threshold to avoid SIGAs */
2693 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2694 for (i = queue->next_buf_to_init;
2695 i < queue->next_buf_to_init + count; ++i)
2696 qeth_init_input_buffer(card,
2697 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]);
2699 * according to old code it should be avoided to requeue all
2700 * 128 buffers in order to benefit from PCI avoidance.
2701 * this function keeps at least one buffer (the buffer at
2702 * 'index') un-requeued -> this buffer is the first buffer that
2703 * will be requeued the next time
2705 if (card->options.performance_stats) {
2706 card->perf_stats.inbound_do_qdio_cnt++;
2707 card->perf_stats.inbound_do_qdio_start_time =
2710 rc = do_QDIO(CARD_DDEV(card),
2711 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2712 0, queue->next_buf_to_init, count, NULL);
2713 if (card->options.performance_stats)
2714 card->perf_stats.inbound_do_qdio_time +=
2716 card->perf_stats.inbound_do_qdio_start_time;
2718 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2719 "return %i (device %s).\n",
2720 rc, CARD_DDEV_ID(card));
2721 QETH_DBF_TEXT(trace,2,"qinberr");
2722 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2724 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2725 QDIO_MAX_BUFFERS_PER_Q;
2730 qeth_put_buffer_pool_entry(struct qeth_card *card,
2731 struct qeth_buffer_pool_entry *entry)
2733 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2734 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2738 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2739 unsigned int qdio_err, unsigned int siga_err,
2740 unsigned int queue, int first_element, int count,
2741 unsigned long card_ptr)
2743 struct net_device *net_dev;
2744 struct qeth_card *card;
2745 struct qeth_qdio_buffer *buffer;
2749 QETH_DBF_TEXT(trace, 6, "qdinput");
2750 card = (struct qeth_card *) card_ptr;
2751 net_dev = card->dev;
2752 if (card->options.performance_stats) {
2753 card->perf_stats.inbound_cnt++;
2754 card->perf_stats.inbound_start_time = qeth_get_micros();
2756 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2757 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2758 QETH_DBF_TEXT(trace, 1,"qdinchk");
2759 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2760 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2761 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2762 qeth_schedule_recovery(card);
2766 for (i = first_element; i < (first_element + count); ++i) {
2767 index = i % QDIO_MAX_BUFFERS_PER_Q;
2768 buffer = &card->qdio.in_q->bufs[index];
2769 if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
2770 qeth_check_qdio_errors(buffer->buffer,
2771 qdio_err, siga_err,"qinerr")))
2772 qeth_process_inbound_buffer(card, buffer, index);
2773 /* clear buffer and give back to hardware */
2774 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2775 qeth_queue_input_buffer(card, index);
2777 if (card->options.performance_stats)
2778 card->perf_stats.inbound_time += qeth_get_micros() -
2779 card->perf_stats.inbound_start_time;
2783 qeth_handle_send_error(struct qeth_card *card,
2784 struct qeth_qdio_out_buffer *buffer,
2785 unsigned int qdio_err, unsigned int siga_err)
2787 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2788 int cc = siga_err & 3;
2790 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2791 qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2795 QETH_DBF_TEXT(trace, 1,"lnkfail");
2796 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2797 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2798 (u16)qdio_err, (u8)sbalf15);
2799 return QETH_SEND_ERROR_LINK_FAILURE;
2801 return QETH_SEND_ERROR_NONE;
2803 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2804 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2805 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2806 return QETH_SEND_ERROR_KICK_IT;
2808 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2809 return QETH_SEND_ERROR_RETRY;
2810 return QETH_SEND_ERROR_LINK_FAILURE;
2811 /* look at qdio_error and sbalf 15 */
2813 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2814 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2815 return QETH_SEND_ERROR_LINK_FAILURE;
2818 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2819 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2820 return QETH_SEND_ERROR_KICK_IT;
2825 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2826 int index, int count)
2828 struct qeth_qdio_out_buffer *buf;
2831 unsigned int qdio_flags;
2833 QETH_DBF_TEXT(trace, 6, "flushbuf");
2835 for (i = index; i < index + count; ++i) {
2836 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2837 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2838 SBAL_FLAGS_LAST_ENTRY;
2840 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2843 if (!queue->do_pack){
2844 if ((atomic_read(&queue->used_buffers) >=
2845 (QETH_HIGH_WATERMARK_PACK -
2846 QETH_WATERMARK_PACK_FUZZ)) &&
2847 !atomic_read(&queue->set_pci_flags_count)){
2848 /* it's likely that we'll go to packing
2850 atomic_inc(&queue->set_pci_flags_count);
2851 buf->buffer->element[0].flags |= 0x40;
2854 if (!atomic_read(&queue->set_pci_flags_count)){
2856 * there's no outstanding PCI any more, so we
2857 * have to request a PCI to be sure that the PCI
2858 * will wake at some time in the future then we
2859 * can flush packed buffers that might still be
2860 * hanging around, which can happen if no
2861 * further send was requested by the stack
2863 atomic_inc(&queue->set_pci_flags_count);
2864 buf->buffer->element[0].flags |= 0x40;
2869 queue->card->dev->trans_start = jiffies;
2870 if (queue->card->options.performance_stats) {
2871 queue->card->perf_stats.outbound_do_qdio_cnt++;
2872 queue->card->perf_stats.outbound_do_qdio_start_time =
2875 qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
2877 qdio_flags |= QDIO_FLAG_UNDER_INTERRUPT;
2878 if (atomic_read(&queue->set_pci_flags_count))
2879 qdio_flags |= QDIO_FLAG_PCI_OUT;
2880 rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
2881 queue->queue_no, index, count, NULL);
2882 if (queue->card->options.performance_stats)
2883 queue->card->perf_stats.outbound_do_qdio_time +=
2885 queue->card->perf_stats.outbound_do_qdio_start_time;
2887 QETH_DBF_TEXT(trace, 2, "flushbuf");
2888 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
2889 QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
2890 queue->card->stats.tx_errors += count;
2891 /* this must not happen under normal circumstances. if it
2892 * happens something is really wrong -> recover */
2893 qeth_schedule_recovery(queue->card);
2896 atomic_add(count, &queue->used_buffers);
2897 if (queue->card->options.performance_stats)
2898 queue->card->perf_stats.bufs_sent += count;
2902 * Switched to packing state if the number of used buffers on a queue
2903 * reaches a certain limit.
2906 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
2908 if (!queue->do_pack) {
2909 if (atomic_read(&queue->used_buffers)
2910 >= QETH_HIGH_WATERMARK_PACK){
2911 /* switch non-PACKING -> PACKING */
2912 QETH_DBF_TEXT(trace, 6, "np->pack");
2913 if (queue->card->options.performance_stats)
2914 queue->card->perf_stats.sc_dp_p++;
2921 * Switches from packing to non-packing mode. If there is a packing
2922 * buffer on the queue this buffer will be prepared to be flushed.
2923 * In that case 1 is returned to inform the caller. If no buffer
2924 * has to be flushed, zero is returned.
2927 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
2929 struct qeth_qdio_out_buffer *buffer;
2930 int flush_count = 0;
2932 if (queue->do_pack) {
2933 if (atomic_read(&queue->used_buffers)
2934 <= QETH_LOW_WATERMARK_PACK) {
2935 /* switch PACKING -> non-PACKING */
2936 QETH_DBF_TEXT(trace, 6, "pack->np");
2937 if (queue->card->options.performance_stats)
2938 queue->card->perf_stats.sc_p_dp++;
2940 /* flush packing buffers */
2941 buffer = &queue->bufs[queue->next_buf_to_fill];
2942 if ((atomic_read(&buffer->state) ==
2943 QETH_QDIO_BUF_EMPTY) &&
2944 (buffer->next_element_to_fill > 0)) {
2945 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
2947 queue->next_buf_to_fill =
2948 (queue->next_buf_to_fill + 1) %
2949 QDIO_MAX_BUFFERS_PER_Q;
2957 * Called to flush a packing buffer if no more pci flags are on the queue.
2958 * Checks if there is a packing buffer and prepares it to be flushed.
2959 * In that case returns 1, otherwise zero.
2962 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
2964 struct qeth_qdio_out_buffer *buffer;
2966 buffer = &queue->bufs[queue->next_buf_to_fill];
2967 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
2968 (buffer->next_element_to_fill > 0)){
2969 /* it's a packing buffer */
2970 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
2971 queue->next_buf_to_fill =
2972 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
2979 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
2983 int q_was_packing = 0;
2986 * check if weed have to switch to non-packing mode or if
2987 * we have to get a pci flag out on the queue
2989 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
2990 !atomic_read(&queue->set_pci_flags_count)){
2991 if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
2992 QETH_OUT_Q_UNLOCKED) {
2994 * If we get in here, there was no action in
2995 * do_send_packet. So, we check if there is a
2996 * packing buffer to be flushed here.
2998 netif_stop_queue(queue->card->dev);
2999 index = queue->next_buf_to_fill;
3000 q_was_packing = queue->do_pack;
3001 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3003 !atomic_read(&queue->set_pci_flags_count))
3005 qeth_flush_buffers_on_no_pci(queue);
3006 if (queue->card->options.performance_stats &&
3008 queue->card->perf_stats.bufs_sent_pack +=
3011 qeth_flush_buffers(queue, 1, index, flush_cnt);
3012 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3018 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
3019 unsigned int qdio_error, unsigned int siga_error,
3020 unsigned int __queue, int first_element, int count,
3021 unsigned long card_ptr)
3023 struct qeth_card *card = (struct qeth_card *) card_ptr;
3024 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3025 struct qeth_qdio_out_buffer *buffer;
3028 QETH_DBF_TEXT(trace, 6, "qdouhdl");
3029 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
3030 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
3031 QETH_DBF_TEXT(trace, 2, "achkcond");
3032 QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
3033 QETH_DBF_TEXT_(trace, 2, "%08x", status);
3034 netif_stop_queue(card->dev);
3035 qeth_schedule_recovery(card);
3039 if (card->options.performance_stats) {
3040 card->perf_stats.outbound_handler_cnt++;
3041 card->perf_stats.outbound_handler_start_time =
3044 for(i = first_element; i < (first_element + count); ++i){
3045 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
3046 /*we only handle the KICK_IT error by doing a recovery */
3047 if (qeth_handle_send_error(card, buffer,
3048 qdio_error, siga_error)
3049 == QETH_SEND_ERROR_KICK_IT){
3050 netif_stop_queue(card->dev);
3051 qeth_schedule_recovery(card);
3054 qeth_clear_output_buffer(queue, buffer);
3056 atomic_sub(count, &queue->used_buffers);
3057 /* check if we need to do something on this outbound queue */
3058 if (card->info.type != QETH_CARD_TYPE_IQD)
3059 qeth_check_outbound_queue(queue);
3061 netif_wake_queue(queue->card->dev);
3062 if (card->options.performance_stats)
3063 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3064 card->perf_stats.outbound_handler_start_time;
3068 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
3071 param_field[0] = _ascebc['P'];
3072 param_field[1] = _ascebc['C'];
3073 param_field[2] = _ascebc['I'];
3074 param_field[3] = _ascebc['T'];
3075 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
3076 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
3077 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
3081 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3083 param_field[16] = _ascebc['B'];
3084 param_field[17] = _ascebc['L'];
3085 param_field[18] = _ascebc['K'];
3086 param_field[19] = _ascebc['T'];
3087 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
3088 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
3089 *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo;
3093 qeth_initialize_working_pool_list(struct qeth_card *card)
3095 struct qeth_buffer_pool_entry *entry;
3097 QETH_DBF_TEXT(trace,5,"inwrklst");
3099 list_for_each_entry(entry,
3100 &card->qdio.init_pool.entry_list, init_list) {
3101 qeth_put_buffer_pool_entry(card,entry);
3106 qeth_clear_working_pool_list(struct qeth_card *card)
3108 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3110 QETH_DBF_TEXT(trace,5,"clwrklst");
3111 list_for_each_entry_safe(pool_entry, tmp,
3112 &card->qdio.in_buf_pool.entry_list, list){
3113 list_del(&pool_entry->list);
3118 qeth_free_buffer_pool(struct qeth_card *card)
3120 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3122 QETH_DBF_TEXT(trace,5,"freepool");
3123 list_for_each_entry_safe(pool_entry, tmp,
3124 &card->qdio.init_pool.entry_list, init_list){
3125 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3126 free_page((unsigned long)pool_entry->elements[i]);
3127 list_del(&pool_entry->init_list);
3133 qeth_alloc_buffer_pool(struct qeth_card *card)
3135 struct qeth_buffer_pool_entry *pool_entry;
3139 QETH_DBF_TEXT(trace,5,"alocpool");
3140 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3141 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3143 qeth_free_buffer_pool(card);
3146 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3147 ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3150 free_page((unsigned long)
3151 pool_entry->elements[--j]);
3153 qeth_free_buffer_pool(card);
3156 pool_entry->elements[j] = ptr;
3158 list_add(&pool_entry->init_list,
3159 &card->qdio.init_pool.entry_list);
3165 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3167 QETH_DBF_TEXT(trace, 2, "realcbp");
3169 if ((card->state != CARD_STATE_DOWN) &&
3170 (card->state != CARD_STATE_RECOVER))
3173 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3174 qeth_clear_working_pool_list(card);
3175 qeth_free_buffer_pool(card);
3176 card->qdio.in_buf_pool.buf_count = bufcnt;
3177 card->qdio.init_pool.buf_count = bufcnt;
3178 return qeth_alloc_buffer_pool(card);
3182 qeth_alloc_qdio_buffers(struct qeth_card *card)
3186 QETH_DBF_TEXT(setup, 2, "allcqdbf");
3188 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
3189 QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
3192 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3193 GFP_KERNEL|GFP_DMA);
3194 if (!card->qdio.in_q)
3196 QETH_DBF_TEXT(setup, 2, "inq");
3197 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3198 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3199 /* give inbound qeth_qdio_buffers their qdio_buffers */
3200 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3201 card->qdio.in_q->bufs[i].buffer =
3202 &card->qdio.in_q->qdio_bufs[i];
3203 /* inbound buffer pool */
3204 if (qeth_alloc_buffer_pool(card))
3208 kmalloc(card->qdio.no_out_queues *
3209 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3210 if (!card->qdio.out_qs)
3212 for (i = 0; i < card->qdio.no_out_queues; ++i) {
3213 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3214 GFP_KERNEL|GFP_DMA);
3215 if (!card->qdio.out_qs[i])
3217 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3218 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3219 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3220 card->qdio.out_qs[i]->queue_no = i;
3221 /* give outbound qeth_qdio_buffers their qdio_buffers */
3222 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3223 card->qdio.out_qs[i]->bufs[j].buffer =
3224 &card->qdio.out_qs[i]->qdio_bufs[j];
3225 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3228 &card->qdio.out_qs[i]->bufs[j].skb_list.lock,
3229 &qdio_out_skb_queue_key);
3230 INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3237 kfree(card->qdio.out_qs[--i]);
3238 kfree(card->qdio.out_qs);
3240 qeth_free_buffer_pool(card);
3242 kfree(card->qdio.in_q);
3244 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
3249 qeth_free_qdio_buffers(struct qeth_card *card)
3253 QETH_DBF_TEXT(trace, 2, "freeqdbf");
3254 if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) ==
3255 QETH_QDIO_UNINITIALIZED)
3257 kfree(card->qdio.in_q);
3258 /* inbound buffer pool */
3259 qeth_free_buffer_pool(card);
3260 /* free outbound qdio_qs */
3261 for (i = 0; i < card->qdio.no_out_queues; ++i){
3262 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3263 qeth_clear_output_buffer(card->qdio.out_qs[i],
3264 &card->qdio.out_qs[i]->bufs[j]);
3265 kfree(card->qdio.out_qs[i]);
3267 kfree(card->qdio.out_qs);
3271 qeth_clear_qdio_buffers(struct qeth_card *card)
3275 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3276 /* clear outbound buffers to free skbs */
3277 for (i = 0; i < card->qdio.no_out_queues; ++i)
3278 if (card->qdio.out_qs[i]){
3279 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3280 qeth_clear_output_buffer(card->qdio.out_qs[i],
3281 &card->qdio.out_qs[i]->bufs[j]);
3286 qeth_init_qdio_info(struct qeth_card *card)
3288 QETH_DBF_TEXT(setup, 4, "intqdinf");
3289 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
3291 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3292 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3293 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3294 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3295 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3299 qeth_init_qdio_queues(struct qeth_card *card)
3304 QETH_DBF_TEXT(setup, 2, "initqdqs");
3307 memset(card->qdio.in_q->qdio_bufs, 0,
3308 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3309 qeth_initialize_working_pool_list(card);
3310 /*give only as many buffers to hardware as we have buffer pool entries*/
3311 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3312 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3313 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3314 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3315 card->qdio.in_buf_pool.buf_count - 1, NULL);
3317 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3320 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3322 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3325 /* outbound queue */
3326 for (i = 0; i < card->qdio.no_out_queues; ++i){
3327 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3328 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3329 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3330 qeth_clear_output_buffer(card->qdio.out_qs[i],
3331 &card->qdio.out_qs[i]->bufs[j]);
3333 card->qdio.out_qs[i]->card = card;
3334 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3335 card->qdio.out_qs[i]->do_pack = 0;
3336 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3337 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3338 atomic_set(&card->qdio.out_qs[i]->state,
3339 QETH_OUT_Q_UNLOCKED);
3345 qeth_qdio_establish(struct qeth_card *card)
3347 struct qdio_initialize init_data;
3348 char *qib_param_field;
3349 struct qdio_buffer **in_sbal_ptrs;
3350 struct qdio_buffer **out_sbal_ptrs;
3354 QETH_DBF_TEXT(setup, 2, "qdioest");
3356 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3358 if (!qib_param_field)
3361 qeth_create_qib_param_field(card, qib_param_field);
3362 qeth_create_qib_param_field_blkt(card, qib_param_field);
3364 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3366 if (!in_sbal_ptrs) {
3367 kfree(qib_param_field);
3370 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3371 in_sbal_ptrs[i] = (struct qdio_buffer *)
3372 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3375 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3376 sizeof(void *), GFP_KERNEL);
3377 if (!out_sbal_ptrs) {
3378 kfree(in_sbal_ptrs);
3379 kfree(qib_param_field);
3382 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3383 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3384 out_sbal_ptrs[k] = (struct qdio_buffer *)
3385 virt_to_phys(card->qdio.out_qs[i]->
3389 memset(&init_data, 0, sizeof(struct qdio_initialize));
3390 init_data.cdev = CARD_DDEV(card);
3391 init_data.q_format = qeth_get_qdio_q_format(card);
3392 init_data.qib_param_field_format = 0;
3393 init_data.qib_param_field = qib_param_field;
3394 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3395 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3396 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3397 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3398 init_data.no_input_qs = 1;
3399 init_data.no_output_qs = card->qdio.no_out_queues;
3400 init_data.input_handler = (qdio_handler_t *)
3401 qeth_qdio_input_handler;
3402 init_data.output_handler = (qdio_handler_t *)
3403 qeth_qdio_output_handler;
3404 init_data.int_parm = (unsigned long) card;
3405 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3406 QDIO_OUTBOUND_0COPY_SBALS |
3407 QDIO_USE_OUTBOUND_PCIS;
3408 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3409 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3411 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
3412 QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED)
3413 if ((rc = qdio_initialize(&init_data)))
3414 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
3416 kfree(out_sbal_ptrs);
3417 kfree(in_sbal_ptrs);
3418 kfree(qib_param_field);
3423 qeth_qdio_activate(struct qeth_card *card)
3425 QETH_DBF_TEXT(setup,3,"qdioact");
3426 return qdio_activate(CARD_DDEV(card), 0);
3430 qeth_clear_channel(struct qeth_channel *channel)
3432 unsigned long flags;
3433 struct qeth_card *card;
3436 QETH_DBF_TEXT(trace,3,"clearch");
3437 card = CARD_FROM_CDEV(channel->ccwdev);
3438 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3439 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3440 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3444 rc = wait_event_interruptible_timeout(card->wait_q,
3445 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3446 if (rc == -ERESTARTSYS)
3448 if (channel->state != CH_STATE_STOPPED)
3450 channel->state = CH_STATE_DOWN;
3455 qeth_halt_channel(struct qeth_channel *channel)
3457 unsigned long flags;
3458 struct qeth_card *card;
3461 QETH_DBF_TEXT(trace,3,"haltch");
3462 card = CARD_FROM_CDEV(channel->ccwdev);
3463 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3464 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3465 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3469 rc = wait_event_interruptible_timeout(card->wait_q,
3470 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3471 if (rc == -ERESTARTSYS)
3473 if (channel->state != CH_STATE_HALTED)
3479 qeth_halt_channels(struct qeth_card *card)
3481 int rc1 = 0, rc2=0, rc3 = 0;
3483 QETH_DBF_TEXT(trace,3,"haltchs");
3484 rc1 = qeth_halt_channel(&card->read);
3485 rc2 = qeth_halt_channel(&card->write);
3486 rc3 = qeth_halt_channel(&card->data);
3494 qeth_clear_channels(struct qeth_card *card)
3496 int rc1 = 0, rc2=0, rc3 = 0;
3498 QETH_DBF_TEXT(trace,3,"clearchs");
3499 rc1 = qeth_clear_channel(&card->read);
3500 rc2 = qeth_clear_channel(&card->write);
3501 rc3 = qeth_clear_channel(&card->data);
3510 qeth_clear_halt_card(struct qeth_card *card, int halt)
3514 QETH_DBF_TEXT(trace,3,"clhacrd");
3515 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3518 rc = qeth_halt_channels(card);
3521 return qeth_clear_channels(card);
3525 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3529 QETH_DBF_TEXT(trace,3,"qdioclr");
3530 switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED,
3531 QETH_QDIO_CLEANING)) {
3532 case QETH_QDIO_ESTABLISHED:
3533 if ((rc = qdio_cleanup(CARD_DDEV(card),
3534 (card->info.type == QETH_CARD_TYPE_IQD) ?
3535 QDIO_FLAG_CLEANUP_USING_HALT :
3536 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3537 QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3538 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
3540 case QETH_QDIO_CLEANING:
3545 if ((rc = qeth_clear_halt_card(card, use_halt)))
3546 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3547 card->state = CARD_STATE_DOWN;
3552 qeth_dm_act(struct qeth_card *card)
3555 struct qeth_cmd_buffer *iob;
3557 QETH_DBF_TEXT(setup,2,"dmact");
3559 iob = qeth_wait_for_buffer(&card->write);
3560 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3562 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3563 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3564 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3565 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3566 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3571 qeth_mpc_initialize(struct qeth_card *card)
3575 QETH_DBF_TEXT(setup,2,"mpcinit");
3577 if ((rc = qeth_issue_next_read(card))){
3578 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3581 if ((rc = qeth_cm_enable(card))){
3582 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3585 if ((rc = qeth_cm_setup(card))){
3586 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3589 if ((rc = qeth_ulp_enable(card))){
3590 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3593 if ((rc = qeth_ulp_setup(card))){
3594 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3597 if ((rc = qeth_alloc_qdio_buffers(card))){
3598 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3601 if ((rc = qeth_qdio_establish(card))){
3602 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3603 qeth_free_qdio_buffers(card);
3606 if ((rc = qeth_qdio_activate(card))){
3607 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3610 if ((rc = qeth_dm_act(card))){
3611 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3617 qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3621 static struct net_device *
3622 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3624 struct net_device *dev = NULL;
3627 case QETH_CARD_TYPE_OSAE:
3629 case QETH_LINK_TYPE_LANE_TR:
3630 case QETH_LINK_TYPE_HSTR:
3632 dev = alloc_trdev(0);
3633 #endif /* CONFIG_TR */
3636 dev = alloc_etherdev(0);
3639 case QETH_CARD_TYPE_IQD:
3640 dev = alloc_netdev(0, "hsi%d", ether_setup);
3642 case QETH_CARD_TYPE_OSN:
3643 dev = alloc_netdev(0, "osn%d", ether_setup);
3646 dev = alloc_etherdev(0);
3651 /*hard_header fake function; used in case fake_ll is set */
3653 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3654 unsigned short type, void *daddr, void *saddr,
3657 if(dev->type == ARPHRD_IEEE802_TR){
3658 struct trh_hdr *hdr;
3659 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3660 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3661 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3662 return QETH_FAKE_LL_LEN_TR;
3666 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3667 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3668 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3669 if (type != ETH_P_802_3)
3670 hdr->h_proto = htons(type);
3672 hdr->h_proto = htons(len);
3673 return QETH_FAKE_LL_LEN_ETH;
3679 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3682 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3685 struct qeth_card *card;
3687 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3688 card = (struct qeth_card *)dev->priv;
3690 card->stats.tx_dropped++;
3691 card->stats.tx_errors++;
3692 /* return OK; otherwise ksoftirqd goes to 100% */
3693 return NETDEV_TX_OK;
3695 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3696 card->stats.tx_dropped++;
3697 card->stats.tx_errors++;
3698 card->stats.tx_carrier_errors++;
3699 dev_kfree_skb_any(skb);
3700 /* return OK; otherwise ksoftirqd goes to 100% */
3701 return NETDEV_TX_OK;
3703 if (card->options.performance_stats) {
3704 card->perf_stats.outbound_cnt++;
3705 card->perf_stats.outbound_start_time = qeth_get_micros();
3707 netif_stop_queue(dev);
3708 if ((rc = qeth_send_packet(card, skb))) {
3710 return NETDEV_TX_BUSY;
3712 card->stats.tx_errors++;
3713 card->stats.tx_dropped++;
3714 dev_kfree_skb_any(skb);
3715 /*set to OK; otherwise ksoftirqd goes to 100% */
3719 netif_wake_queue(dev);
3720 if (card->options.performance_stats)
3721 card->perf_stats.outbound_time += qeth_get_micros() -
3722 card->perf_stats.outbound_start_time;
3727 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3730 #ifdef CONFIG_QETH_VLAN
3731 struct vlan_group *vg;
3734 if (!(vg = card->vlangrp))
3737 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3738 if (vlan_group_get_device(vg, i) == dev){
3739 rc = QETH_VLAN_CARD;
3743 if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3751 qeth_verify_dev(struct net_device *dev)
3753 struct qeth_card *card;
3754 unsigned long flags;
3757 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3758 list_for_each_entry(card, &qeth_card_list.list, list){
3759 if (card->dev == dev){
3760 rc = QETH_REAL_CARD;
3763 rc = qeth_verify_vlan_dev(dev, card);
3767 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3772 static struct qeth_card *
3773 qeth_get_card_from_dev(struct net_device *dev)
3775 struct qeth_card *card = NULL;
3778 rc = qeth_verify_dev(dev);
3779 if (rc == QETH_REAL_CARD)
3780 card = (struct qeth_card *)dev->priv;
3781 else if (rc == QETH_VLAN_CARD)
3782 card = (struct qeth_card *)
3783 VLAN_DEV_INFO(dev)->real_dev->priv;
3785 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3790 qeth_tx_timeout(struct net_device *dev)
3792 struct qeth_card *card;
3794 card = (struct qeth_card *) dev->priv;
3795 card->stats.tx_errors++;
3796 qeth_schedule_recovery(card);
3800 qeth_open(struct net_device *dev)
3802 struct qeth_card *card;
3804 QETH_DBF_TEXT(trace, 4, "qethopen");
3806 card = (struct qeth_card *) dev->priv;
3808 if (card->state != CARD_STATE_SOFTSETUP)
3811 if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3812 (card->options.layer2) &&
3813 (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3814 QETH_DBF_TEXT(trace,4,"nomacadr");
3817 card->data.state = CH_STATE_UP;
3818 card->state = CARD_STATE_UP;
3819 card->dev->flags |= IFF_UP;
3820 netif_start_queue(dev);
3822 if (!card->lan_online && netif_carrier_ok(dev))
3823 netif_carrier_off(dev);
3828 qeth_stop(struct net_device *dev)
3830 struct qeth_card *card;
3832 QETH_DBF_TEXT(trace, 4, "qethstop");
3834 card = (struct qeth_card *) dev->priv;
3836 netif_tx_disable(dev);
3837 card->dev->flags &= ~IFF_UP;
3838 if (card->state == CARD_STATE_UP)
3839 card->state = CARD_STATE_SOFTSETUP;
3844 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3846 int cast_type = RTN_UNSPEC;
3848 if (card->info.type == QETH_CARD_TYPE_OSN)
3851 if (skb->dst && skb->dst->neighbour){
3852 cast_type = skb->dst->neighbour->type;
3853 if ((cast_type == RTN_BROADCAST) ||
3854 (cast_type == RTN_MULTICAST) ||
3855 (cast_type == RTN_ANYCAST))
3860 /* try something else */
3861 if (skb->protocol == ETH_P_IPV6)
3862 return (skb_network_header(skb)[24] == 0xff) ?
3864 else if (skb->protocol == ETH_P_IP)
3865 return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ?
3868 if (!memcmp(skb->data, skb->dev->broadcast, 6))
3869 return RTN_BROADCAST;
3873 hdr_mac = *((u16 *)skb->data);
3875 switch (card->info.link_type) {
3876 case QETH_LINK_TYPE_HSTR:
3877 case QETH_LINK_TYPE_LANE_TR:
3878 if ((hdr_mac == QETH_TR_MAC_NC) ||
3879 (hdr_mac == QETH_TR_MAC_C))
3880 return RTN_MULTICAST;
3882 /* eth or so multicast? */
3884 if ((hdr_mac == QETH_ETH_MAC_V4) ||
3885 (hdr_mac == QETH_ETH_MAC_V6))
3886 return RTN_MULTICAST;
3893 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3894 int ipv, int cast_type)
3896 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
3897 return card->qdio.default_out_queue;
3898 switch (card->qdio.no_out_queues) {
3900 if (cast_type && card->info.is_multicast_different)
3901 return card->info.is_multicast_different &
3902 (card->qdio.no_out_queues - 1);
3903 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3904 const u8 tos = ip_hdr(skb)->tos;
3906 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
3907 if (tos & IP_TOS_NOTIMPORTANT)
3909 if (tos & IP_TOS_HIGHRELIABILITY)
3911 if (tos & IP_TOS_HIGHTHROUGHPUT)
3913 if (tos & IP_TOS_LOWDELAY)
3916 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
3917 return 3 - (tos >> 6);
3918 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3921 return card->qdio.default_out_queue;
3922 case 1: /* fallthrough for single-out-queue 1920-device */
3924 return card->qdio.default_out_queue;
3929 qeth_get_ip_version(struct sk_buff *skb)
3931 switch (skb->protocol) {
3941 static struct qeth_hdr *
3942 __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv)
3944 #ifdef CONFIG_QETH_VLAN
3946 if (card->vlangrp && vlan_tx_tag_present(skb) &&
3947 ((ipv == 6) || card->options.layer2) ) {
3949 * Move the mac addresses (6 bytes src, 6 bytes dest)
3950 * to the beginning of the new header. We are using three
3951 * memcpys instead of one memmove to save cycles.
3953 skb_push(skb, VLAN_HLEN);
3954 skb_copy_to_linear_data(skb, skb->data + 4, 4);
3955 skb_copy_to_linear_data_offset(skb, 4, skb->data + 8, 4);
3956 skb_copy_to_linear_data_offset(skb, 8, skb->data + 12, 4);
3957 tag = (u16 *)(skb->data + 12);
3959 * first two bytes = ETH_P_8021Q (0x8100)
3960 * second two bytes = VLANID
3962 *tag = __constant_htons(ETH_P_8021Q);
3963 *(tag + 1) = htons(vlan_tx_tag_get(skb));
3966 return ((struct qeth_hdr *)
3967 qeth_push_skb(card, skb, sizeof(struct qeth_hdr)));
3971 __qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb)
3973 if (orig_skb != new_skb)
3974 dev_kfree_skb_any(new_skb);
3977 static struct sk_buff *
3978 qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb,
3979 struct qeth_hdr **hdr, int ipv)
3981 struct sk_buff *new_skb, *new_skb2;
3983 QETH_DBF_TEXT(trace, 6, "prepskb");
3985 new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
3988 new_skb2 = qeth_realloc_headroom(card, new_skb,
3989 sizeof(struct qeth_hdr));
3991 __qeth_free_new_skb(skb, new_skb);
3995 __qeth_free_new_skb(new_skb2, new_skb);
3997 *hdr = __qeth_prepare_skb(card, new_skb, ipv);
3999 __qeth_free_new_skb(skb, new_skb);
4006 qeth_get_qeth_hdr_flags4(int cast_type)
4008 if (cast_type == RTN_MULTICAST)
4009 return QETH_CAST_MULTICAST;
4010 if (cast_type == RTN_BROADCAST)
4011 return QETH_CAST_BROADCAST;
4012 return QETH_CAST_UNICAST;
4016 qeth_get_qeth_hdr_flags6(int cast_type)
4018 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
4019 if (cast_type == RTN_MULTICAST)
4020 return ct | QETH_CAST_MULTICAST;
4021 if (cast_type == RTN_ANYCAST)
4022 return ct | QETH_CAST_ANYCAST;
4023 if (cast_type == RTN_BROADCAST)
4024 return ct | QETH_CAST_BROADCAST;
4025 return ct | QETH_CAST_UNICAST;
4029 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
4030 struct sk_buff *skb)
4034 if (!memcmp(skb->data+QETH_HEADER_SIZE,
4035 skb->dev->broadcast,6)) { /* broadcast? */
4036 *(__u32 *)hdr->hdr.l2.flags |=
4037 QETH_LAYER2_FLAG_BROADCAST << 8;
4040 hdr_mac=*((__u16*)skb->data);
4042 switch (card->info.link_type) {
4043 case QETH_LINK_TYPE_HSTR:
4044 case QETH_LINK_TYPE_LANE_TR:
4045 if ((hdr_mac == QETH_TR_MAC_NC) ||
4046 (hdr_mac == QETH_TR_MAC_C) )
4047 *(__u32 *)hdr->hdr.l2.flags |=
4048 QETH_LAYER2_FLAG_MULTICAST << 8;
4050 *(__u32 *)hdr->hdr.l2.flags |=
4051 QETH_LAYER2_FLAG_UNICAST << 8;
4053 /* eth or so multicast? */
4055 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
4056 (hdr_mac==QETH_ETH_MAC_V6) )
4057 *(__u32 *)hdr->hdr.l2.flags |=
4058 QETH_LAYER2_FLAG_MULTICAST << 8;
4060 *(__u32 *)hdr->hdr.l2.flags |=
4061 QETH_LAYER2_FLAG_UNICAST << 8;
4066 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4067 struct sk_buff *skb, int cast_type)
4069 memset(hdr, 0, sizeof(struct qeth_hdr));
4070 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
4072 /* set byte 0 to "0x02" and byte 3 to casting flags */
4073 if (cast_type==RTN_MULTICAST)
4074 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
4075 else if (cast_type==RTN_BROADCAST)
4076 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
4078 qeth_layer2_get_packet_type(card, hdr, skb);
4080 hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4081 #ifdef CONFIG_QETH_VLAN
4082 /* VSWITCH relies on the VLAN
4083 * information to be present in
4084 * the QDIO header */
4085 if ((card->vlangrp != NULL) &&
4086 vlan_tx_tag_present(skb)) {
4087 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4088 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4094 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4095 struct sk_buff *skb, int ipv, int cast_type)
4097 QETH_DBF_TEXT(trace, 6, "fillhdr");
4099 memset(hdr, 0, sizeof(struct qeth_hdr));
4100 if (card->options.layer2) {
4101 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4104 hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4105 hdr->hdr.l3.ext_flags = 0;
4106 #ifdef CONFIG_QETH_VLAN
4108 * before we're going to overwrite this location with next hop ip.
4109 * v6 uses passthrough, v4 sets the tag in the QDIO header.
4111 if (card->vlangrp && vlan_tx_tag_present(skb)) {
4112 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4113 QETH_HDR_EXT_VLAN_FRAME :
4114 QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4115 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4117 #endif /* CONFIG_QETH_VLAN */
4118 hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4119 if (ipv == 4) { /* IPv4 */
4120 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4121 memset(hdr->hdr.l3.dest_addr, 0, 12);
4122 if ((skb->dst) && (skb->dst->neighbour)) {
4123 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4124 *((u32 *) skb->dst->neighbour->primary_key);
4126 /* fill in destination address used in ip header */
4127 *((u32 *)(&hdr->hdr.l3.dest_addr[12])) =
4130 } else if (ipv == 6) { /* IPv6 or passthru */
4131 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4132 if ((skb->dst) && (skb->dst->neighbour)) {
4133 memcpy(hdr->hdr.l3.dest_addr,
4134 skb->dst->neighbour->primary_key, 16);
4136 /* fill in destination address used in ip header */
4137 memcpy(hdr->hdr.l3.dest_addr,
4138 &ipv6_hdr(skb)->daddr, 16);
4140 } else { /* passthrough */
4141 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4142 !memcmp(skb->data + sizeof(struct qeth_hdr) +
4143 sizeof(__u16), skb->dev->broadcast, 6)) {
4144 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4146 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4147 skb->dev->broadcast, 6)) { /* broadcast? */
4148 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4151 hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4152 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4153 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4159 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4160 int is_tso, int *next_element_to_fill)
4162 int length = skb->len;
4168 element = *next_element_to_fill;
4170 first_lap = (is_tso == 0 ? 1 : 0);
4172 while (length > 0) {
4173 /* length_here is the remaining amount of data in this page */
4174 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4175 if (length < length_here)
4176 length_here = length;
4178 buffer->element[element].addr = data;
4179 buffer->element[element].length = length_here;
4180 length -= length_here;
4183 buffer->element[element].flags = 0;
4185 buffer->element[element].flags =
4186 SBAL_FLAGS_LAST_FRAG;
4189 buffer->element[element].flags =
4190 SBAL_FLAGS_FIRST_FRAG;
4192 buffer->element[element].flags =
4193 SBAL_FLAGS_MIDDLE_FRAG;
4195 data += length_here;
4199 *next_element_to_fill = element;
4203 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4204 struct qeth_qdio_out_buffer *buf,
4205 struct sk_buff *skb)
4207 struct qdio_buffer *buffer;
4208 struct qeth_hdr_tso *hdr;
4209 int flush_cnt = 0, hdr_len, large_send = 0;
4211 QETH_DBF_TEXT(trace, 6, "qdfillbf");
4213 buffer = buf->buffer;
4214 atomic_inc(&skb->users);
4215 skb_queue_tail(&buf->skb_list, skb);
4217 hdr = (struct qeth_hdr_tso *) skb->data;
4218 /*check first on TSO ....*/
4219 if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4220 int element = buf->next_element_to_fill;
4222 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4223 /*fill first buffer entry only with header information */
4224 buffer->element[element].addr = skb->data;
4225 buffer->element[element].length = hdr_len;
4226 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4227 buf->next_element_to_fill++;
4228 skb->data += hdr_len;
4229 skb->len -= hdr_len;
4232 if (skb_shinfo(skb)->nr_frags == 0)
4233 __qeth_fill_buffer(skb, buffer, large_send,
4234 (int *)&buf->next_element_to_fill);
4236 __qeth_fill_buffer_frag(skb, buffer, large_send,
4237 (int *)&buf->next_element_to_fill);
4239 if (!queue->do_pack) {
4240 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4241 /* set state to PRIMED -> will be flushed */
4242 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4245 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4246 if (queue->card->options.performance_stats)
4247 queue->card->perf_stats.skbs_sent_pack++;
4248 if (buf->next_element_to_fill >=
4249 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4251 * packed buffer if full -> set state PRIMED
4252 * -> will be flushed
4254 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4262 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4263 struct sk_buff *skb, struct qeth_hdr *hdr,
4264 int elements_needed,
4265 struct qeth_eddp_context *ctx)
4267 struct qeth_qdio_out_buffer *buffer;
4268 int buffers_needed = 0;
4272 QETH_DBF_TEXT(trace, 6, "dosndpfa");
4274 /* spin until we get the queue ... */
4275 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4276 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4277 /* ... now we've got the queue */
4278 index = queue->next_buf_to_fill;
4279 buffer = &queue->bufs[queue->next_buf_to_fill];
4281 * check if buffer is empty to make sure that we do not 'overtake'
4282 * ourselves and try to fill a buffer that is already primed
4284 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
4287 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4288 QDIO_MAX_BUFFERS_PER_Q;
4290 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4291 if (buffers_needed < 0)
4293 queue->next_buf_to_fill =
4294 (queue->next_buf_to_fill + buffers_needed) %
4295 QDIO_MAX_BUFFERS_PER_Q;
4297 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4299 qeth_fill_buffer(queue, buffer, skb);
4300 qeth_flush_buffers(queue, 0, index, 1);
4302 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4303 WARN_ON(buffers_needed != flush_cnt);
4304 qeth_flush_buffers(queue, 0, index, flush_cnt);
4308 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4313 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4314 struct sk_buff *skb, struct qeth_hdr *hdr,
4315 int elements_needed, struct qeth_eddp_context *ctx)
4317 struct qeth_qdio_out_buffer *buffer;
4319 int flush_count = 0;
4324 QETH_DBF_TEXT(trace, 6, "dosndpkt");
4326 /* spin until we get the queue ... */
4327 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4328 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4329 start_index = queue->next_buf_to_fill;
4330 buffer = &queue->bufs[queue->next_buf_to_fill];
4332 * check if buffer is empty to make sure that we do not 'overtake'
4333 * ourselves and try to fill a buffer that is already primed
4335 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4336 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4339 /* check if we need to switch packing state of this queue */
4340 qeth_switch_to_packing_if_needed(queue);
4341 if (queue->do_pack){
4344 /* does packet fit in current buffer? */
4345 if((QETH_MAX_BUFFER_ELEMENTS(card) -
4346 buffer->next_element_to_fill) < elements_needed){
4347 /* ... no -> set state PRIMED */
4348 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4350 queue->next_buf_to_fill =
4351 (queue->next_buf_to_fill + 1) %
4352 QDIO_MAX_BUFFERS_PER_Q;
4353 buffer = &queue->bufs[queue->next_buf_to_fill];
4354 /* we did a step forward, so check buffer state
4356 if (atomic_read(&buffer->state) !=
4357 QETH_QDIO_BUF_EMPTY){
4358 qeth_flush_buffers(queue, 0, start_index, flush_count);
4359 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4364 /* check if we have enough elements (including following
4365 * free buffers) to handle eddp context */
4366 if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4367 printk("eddp tx_dropped 1\n");
4374 tmp = qeth_fill_buffer(queue, buffer, skb);
4376 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4378 printk("eddp tx_dropped 2\n");
4383 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4384 QDIO_MAX_BUFFERS_PER_Q;
4388 qeth_flush_buffers(queue, 0, start_index, flush_count);
4389 else if (!atomic_read(&queue->set_pci_flags_count))
4390 atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
4392 * queue->state will go from LOCKED -> UNLOCKED or from
4393 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4394 * (switch packing state or flush buffer to get another pci flag out).
4395 * In that case we will enter this loop
4397 while (atomic_dec_return(&queue->state)){
4399 start_index = queue->next_buf_to_fill;
4400 /* check if we can go back to non-packing state */
4401 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4403 * check if we need to flush a packing buffer to get a pci
4404 * flag out on the queue
4406 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4407 flush_count += qeth_flush_buffers_on_no_pci(queue);
4409 qeth_flush_buffers(queue, 0, start_index, flush_count);
4411 /* at this point the queue is UNLOCKED again */
4412 if (queue->card->options.performance_stats && do_pack)
4413 queue->card->perf_stats.bufs_sent_pack += flush_count;
4419 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4420 struct sk_buff *skb, int elems)
4422 int elements_needed = 0;
4424 if (skb_shinfo(skb)->nr_frags > 0)
4425 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4426 if (elements_needed == 0)
4427 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4428 + skb->len) >> PAGE_SHIFT);
4429 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4430 PRINT_ERR("Invalid size of IP packet "
4431 "(Number=%d / Length=%d). Discarded.\n",
4432 (elements_needed+elems), skb->len);
4435 return elements_needed;
4440 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4444 struct qeth_qdio_out_q *queue;
4445 struct qeth_hdr *hdr = NULL;
4446 int elements_needed = 0;
4447 enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4448 struct qeth_eddp_context *ctx = NULL;
4449 int tx_bytes = skb->len;
4450 unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
4451 unsigned short tso_size = skb_shinfo(skb)->gso_size;
4452 struct sk_buff *new_skb, *new_skb2;
4455 QETH_DBF_TEXT(trace, 6, "sendpkt");
4458 if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4459 (skb->protocol == htons(ETH_P_IPV6)))
4461 cast_type = qeth_get_cast_type(card, skb);
4462 if ((cast_type == RTN_BROADCAST) &&
4463 (card->info.broadcast_capable == 0))
4465 queue = card->qdio.out_qs
4466 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4467 if (!card->options.layer2) {
4468 ipv = qeth_get_ip_version(skb);
4469 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4470 new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
4473 if(card->dev->type == ARPHRD_IEEE802_TR){
4474 skb_pull(new_skb, QETH_FAKE_LL_LEN_TR);
4476 skb_pull(new_skb, QETH_FAKE_LL_LEN_ETH);
4480 if (skb_is_gso(skb))
4481 large_send = card->options.large_send;
4482 /* check on OSN device*/
4483 if (card->info.type == QETH_CARD_TYPE_OSN)
4484 hdr = (struct qeth_hdr *)new_skb->data;
4485 /*are we able to do TSO ? */
4486 if ((large_send == QETH_LARGE_SEND_TSO) &&
4487 (cast_type == RTN_UNSPEC)) {
4488 rc = qeth_tso_prepare_packet(card, new_skb, ipv, cast_type);
4490 __qeth_free_new_skb(skb, new_skb);
4494 } else if (card->info.type != QETH_CARD_TYPE_OSN) {
4495 new_skb2 = qeth_prepare_skb(card, new_skb, &hdr, ipv);
4497 __qeth_free_new_skb(skb, new_skb);
4501 __qeth_free_new_skb(new_skb2, new_skb);
4503 qeth_fill_header(card, hdr, new_skb, ipv, cast_type);
4505 if (large_send == QETH_LARGE_SEND_EDDP) {
4506 ctx = qeth_eddp_create_context(card, new_skb, hdr,
4507 skb->sk->sk_protocol);
4509 __qeth_free_new_skb(skb, new_skb);
4510 PRINT_WARN("could not create eddp context\n");
4514 int elems = qeth_get_elements_no(card,(void*) hdr, new_skb,
4517 __qeth_free_new_skb(skb, new_skb);
4520 elements_needed += elems;
4523 if (card->info.type != QETH_CARD_TYPE_IQD)
4524 rc = qeth_do_send_packet(card, queue, new_skb, hdr,
4525 elements_needed, ctx);
4527 rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
4528 elements_needed, ctx);
4530 card->stats.tx_packets++;
4531 card->stats.tx_bytes += tx_bytes;
4533 dev_kfree_skb_any(skb);
4534 if (card->options.performance_stats) {
4536 !(large_send == QETH_LARGE_SEND_NO)) {
4537 card->perf_stats.large_send_bytes += tx_bytes;
4538 card->perf_stats.large_send_cnt++;
4541 card->perf_stats.sg_skbs_sent++;
4542 /* nr_frags + skb->data */
4543 card->perf_stats.sg_frags_sent +=
4548 card->stats.tx_dropped++;
4549 __qeth_free_new_skb(skb, new_skb);
4552 /* drop creator's reference */
4553 qeth_eddp_put_context(ctx);
4554 /* free skb; it's not referenced by a buffer */
4556 dev_kfree_skb_any(new_skb);
4562 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4564 struct qeth_card *card = (struct qeth_card *) dev->priv;
4568 case MII_BMCR: /* Basic mode control register */
4570 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4571 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4572 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4573 rc |= BMCR_SPEED100;
4575 case MII_BMSR: /* Basic mode status register */
4576 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4577 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4580 case MII_PHYSID1: /* PHYS ID 1 */
4581 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4583 rc = (rc >> 5) & 0xFFFF;
4585 case MII_PHYSID2: /* PHYS ID 2 */
4586 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4588 case MII_ADVERTISE: /* Advertisement control reg */
4591 case MII_LPA: /* Link partner ability reg */
4592 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4593 LPA_100BASE4 | LPA_LPACK;
4595 case MII_EXPANSION: /* Expansion register */
4597 case MII_DCOUNTER: /* disconnect counter */
4599 case MII_FCSCOUNTER: /* false carrier counter */
4601 case MII_NWAYTEST: /* N-way auto-neg test register */
4603 case MII_RERRCOUNTER: /* rx error counter */
4604 rc = card->stats.rx_errors;
4606 case MII_SREVISION: /* silicon revision */
4608 case MII_RESV1: /* reserved 1 */
4610 case MII_LBRERROR: /* loopback, rx, bypass error */
4612 case MII_PHYADDR: /* physical address */
4614 case MII_RESV2: /* reserved 2 */
4616 case MII_TPISTATUS: /* TPI status for 10mbps */
4618 case MII_NCONFIG: /* network interface config */
4628 qeth_arp_get_error_cause(int *rc)
4631 case QETH_IPA_ARP_RC_FAILED:
4633 return "operation failed";
4634 case QETH_IPA_ARP_RC_NOTSUPP:
4636 return "operation not supported";
4637 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4639 return "argument out of range";
4640 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4642 return "query operation not supported";
4643 case QETH_IPA_ARP_RC_Q_NO_DATA:
4645 return "no query data available";
4647 return "unknown error";
4652 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4656 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4661 QETH_DBF_TEXT(trace,3,"arpstnoe");
4664 * currently GuestLAN only supports the ARP assist function
4665 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4666 * thus we say EOPNOTSUPP for this ARP function
4668 if (card->info.guestlan)
4670 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4671 PRINT_WARN("ARP processing not supported "
4672 "on %s!\n", QETH_CARD_IFNAME(card));
4675 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4676 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4680 PRINT_WARN("Could not set number of ARP entries on %s: "
4682 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4689 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4690 struct qeth_arp_query_data *qdata,
4691 int entry_size, int uentry_size)
4697 entry_ptr = (char *)&qdata->data;
4698 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4699 for (i = 0; i < qdata->no_entries; ++i){
4700 /* strip off 32 bytes "media specific information" */
4701 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4702 entry_ptr += entry_size;
4703 uentry_ptr += uentry_size;
4708 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4711 struct qeth_ipa_cmd *cmd;
4712 struct qeth_arp_query_data *qdata;
4713 struct qeth_arp_query_info *qinfo;
4718 QETH_DBF_TEXT(trace,4,"arpquecb");
4720 qinfo = (struct qeth_arp_query_info *) reply->param;
4721 cmd = (struct qeth_ipa_cmd *) data;
4722 if (cmd->hdr.return_code) {
4723 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4726 if (cmd->data.setassparms.hdr.return_code) {
4727 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4728 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4731 qdata = &cmd->data.setassparms.data.query_arp;
4732 switch(qdata->reply_bits){
4734 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4735 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4736 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4739 /* fall through to default */
4741 /* tr is the same as eth -> entry7 */
4742 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4743 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4744 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4747 /* check if there is enough room in userspace */
4748 if ((qinfo->udata_len - qinfo->udata_offset) <
4749 qdata->no_entries * uentry_size){
4750 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4751 cmd->hdr.return_code = -ENOMEM;
4752 PRINT_WARN("query ARP user space buffer is too small for "
4753 "the returned number of ARP entries. "
4754 "Aborting query!\n");
4757 QETH_DBF_TEXT_(trace, 4, "anore%i",
4758 cmd->data.setassparms.hdr.number_of_replies);
4759 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4760 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4762 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4763 /* strip off "media specific information" */
4764 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4767 /*copy entries to user buffer*/
4768 memcpy(qinfo->udata + qinfo->udata_offset,
4769 (char *)&qdata->data, qdata->no_entries*uentry_size);
4771 qinfo->no_entries += qdata->no_entries;
4772 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4773 /* check if all replies received ... */
4774 if (cmd->data.setassparms.hdr.seq_no <
4775 cmd->data.setassparms.hdr.number_of_replies)
4777 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4778 /* keep STRIP_ENTRIES flag so the user program can distinguish
4779 * stripped entries from normal ones */
4780 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4781 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4782 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4786 memcpy(qinfo->udata, &i, 4);
4791 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4792 int len, int (*reply_cb)(struct qeth_card *,
4793 struct qeth_reply *,
4797 QETH_DBF_TEXT(trace,4,"sendarp");
4799 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4800 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4801 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4802 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4803 reply_cb, reply_param);
4807 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4808 int len, int (*reply_cb)(struct qeth_card *,
4809 struct qeth_reply *,
4815 QETH_DBF_TEXT(trace,4,"sendsnmp");
4817 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4818 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4819 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4820 /* adjust PDU length fields in IPA_PDU_HEADER */
4821 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4823 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4824 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4825 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4826 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4827 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4828 reply_cb, reply_param);
4831 static struct qeth_cmd_buffer *
4832 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
4833 __u16, __u16, enum qeth_prot_versions);
4835 qeth_arp_query(struct qeth_card *card, char __user *udata)
4837 struct qeth_cmd_buffer *iob;
4838 struct qeth_arp_query_info qinfo = {0, };
4842 QETH_DBF_TEXT(trace,3,"arpquery");
4844 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
4845 IPA_ARP_PROCESSING)) {
4846 PRINT_WARN("ARP processing not supported "
4847 "on %s!\n", QETH_CARD_IFNAME(card));
4850 /* get size of userspace buffer and mask_bits -> 6 bytes */
4851 if (copy_from_user(&qinfo, udata, 6))
4853 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
4855 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
4856 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
4857 IPA_CMD_ASS_ARP_QUERY_INFO,
4858 sizeof(int),QETH_PROT_IPV4);
4860 rc = qeth_send_ipa_arp_cmd(card, iob,
4861 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
4862 qeth_arp_query_cb, (void *)&qinfo);
4865 PRINT_WARN("Error while querying ARP cache on %s: %s "
4867 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4869 if (copy_to_user(udata, qinfo.udata, 4))
4872 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
4880 * SNMP command callback
4883 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
4884 unsigned long sdata)
4886 struct qeth_ipa_cmd *cmd;
4887 struct qeth_arp_query_info *qinfo;
4888 struct qeth_snmp_cmd *snmp;
4889 unsigned char *data;
4892 QETH_DBF_TEXT(trace,3,"snpcmdcb");
4894 cmd = (struct qeth_ipa_cmd *) sdata;
4895 data = (unsigned char *)((char *)cmd - reply->offset);
4896 qinfo = (struct qeth_arp_query_info *) reply->param;
4897 snmp = &cmd->data.setadapterparms.data.snmp;
4899 if (cmd->hdr.return_code) {
4900 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
4903 if (cmd->data.setadapterparms.hdr.return_code) {
4904 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
4905 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
4908 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
4909 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4910 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4912 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
4914 /* check if there is enough room in userspace */
4915 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4916 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
4917 cmd->hdr.return_code = -ENOMEM;
4920 QETH_DBF_TEXT_(trace, 4, "snore%i",
4921 cmd->data.setadapterparms.hdr.used_total);
4922 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
4923 /*copy entries to user buffer*/
4924 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4925 memcpy(qinfo->udata + qinfo->udata_offset,
4927 data_len + offsetof(struct qeth_snmp_cmd,data));
4928 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4930 memcpy(qinfo->udata + qinfo->udata_offset,
4931 (char *)&snmp->request, data_len);
4933 qinfo->udata_offset += data_len;
4934 /* check if all replies received ... */
4935 QETH_DBF_TEXT_(trace, 4, "srtot%i",
4936 cmd->data.setadapterparms.hdr.used_total);
4937 QETH_DBF_TEXT_(trace, 4, "srseq%i",
4938 cmd->data.setadapterparms.hdr.seq_no);
4939 if (cmd->data.setadapterparms.hdr.seq_no <
4940 cmd->data.setadapterparms.hdr.used_total)
4945 static struct qeth_cmd_buffer *
4946 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
4947 enum qeth_prot_versions );
4949 static struct qeth_cmd_buffer *
4950 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
4952 struct qeth_cmd_buffer *iob;
4953 struct qeth_ipa_cmd *cmd;
4955 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
4957 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4958 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
4959 cmd->data.setadapterparms.hdr.command_code = command;
4960 cmd->data.setadapterparms.hdr.used_total = 1;
4961 cmd->data.setadapterparms.hdr.seq_no = 1;
4967 * function to send SNMP commands to OSA-E card
4970 qeth_snmp_command(struct qeth_card *card, char __user *udata)
4972 struct qeth_cmd_buffer *iob;
4973 struct qeth_ipa_cmd *cmd;
4974 struct qeth_snmp_ureq *ureq;
4976 struct qeth_arp_query_info qinfo = {0, };
4979 QETH_DBF_TEXT(trace,3,"snmpcmd");
4981 if (card->info.guestlan)
4984 if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
4985 (!card->options.layer2) ) {
4986 PRINT_WARN("SNMP Query MIBS not supported "
4987 "on %s!\n", QETH_CARD_IFNAME(card));
4990 /* skip 4 bytes (data_len struct member) to get req_len */
4991 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4993 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
4995 QETH_DBF_TEXT(trace, 2, "snmpnome");
4998 if (copy_from_user(ureq, udata,
4999 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
5003 qinfo.udata_len = ureq->hdr.data_len;
5004 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
5008 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
5010 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
5011 QETH_SNMP_SETADP_CMDLENGTH + req_len);
5012 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5013 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
5014 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
5015 qeth_snmp_command_cb, (void *)&qinfo);
5017 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
5018 QETH_CARD_IFNAME(card), rc);
5020 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
5030 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
5034 qeth_default_setadapterparms_cb(struct qeth_card *card,
5035 struct qeth_reply *reply,
5036 unsigned long data);
5038 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5041 (struct qeth_card *, struct qeth_reply *, unsigned long),
5045 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5047 struct qeth_cmd_buffer *iob;
5052 QETH_DBF_TEXT(trace,3,"arpadent");
5055 * currently GuestLAN only supports the ARP assist function
5056 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5057 * thus we say EOPNOTSUPP for this ARP function
5059 if (card->info.guestlan)
5061 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5062 PRINT_WARN("ARP processing not supported "
5063 "on %s!\n", QETH_CARD_IFNAME(card));
5067 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5068 IPA_CMD_ASS_ARP_ADD_ENTRY,
5069 sizeof(struct qeth_arp_cache_entry),
5071 rc = qeth_send_setassparms(card, iob,
5072 sizeof(struct qeth_arp_cache_entry),
5073 (unsigned long) entry,
5074 qeth_default_setassparms_cb, NULL);
5077 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5078 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5080 buf, QETH_CARD_IFNAME(card),
5081 qeth_arp_get_error_cause(&rc), tmp, tmp);
5087 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5089 struct qeth_cmd_buffer *iob;
5090 char buf[16] = {0, };
5094 QETH_DBF_TEXT(trace,3,"arprment");
5097 * currently GuestLAN only supports the ARP assist function
5098 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5099 * thus we say EOPNOTSUPP for this ARP function
5101 if (card->info.guestlan)
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 memcpy(buf, entry, 12);
5109 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5110 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5113 rc = qeth_send_setassparms(card, iob,
5114 12, (unsigned long)buf,
5115 qeth_default_setassparms_cb, NULL);
5119 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5120 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5122 buf, QETH_CARD_IFNAME(card),
5123 qeth_arp_get_error_cause(&rc), tmp, tmp);
5129 qeth_arp_flush_cache(struct qeth_card *card)
5134 QETH_DBF_TEXT(trace,3,"arpflush");
5137 * currently GuestLAN only supports the ARP assist function
5138 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5139 * thus we say EOPNOTSUPP for this ARP function
5141 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5143 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5144 PRINT_WARN("ARP processing not supported "
5145 "on %s!\n", QETH_CARD_IFNAME(card));
5148 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5149 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5152 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5153 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5160 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5162 struct qeth_card *card = (struct qeth_card *)dev->priv;
5163 struct qeth_arp_cache_entry arp_entry;
5164 struct mii_ioctl_data *mii_data;
5170 if ((card->state != CARD_STATE_UP) &&
5171 (card->state != CARD_STATE_SOFTSETUP))
5174 if (card->info.type == QETH_CARD_TYPE_OSN)
5178 case SIOC_QETH_ARP_SET_NO_ENTRIES:
5179 if ( !capable(CAP_NET_ADMIN) ||
5180 (card->options.layer2) ) {
5184 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5186 case SIOC_QETH_ARP_QUERY_INFO:
5187 if ( !capable(CAP_NET_ADMIN) ||
5188 (card->options.layer2) ) {
5192 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5194 case SIOC_QETH_ARP_ADD_ENTRY:
5195 if ( !capable(CAP_NET_ADMIN) ||
5196 (card->options.layer2) ) {
5200 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5201 sizeof(struct qeth_arp_cache_entry)))
5204 rc = qeth_arp_add_entry(card, &arp_entry);
5206 case SIOC_QETH_ARP_REMOVE_ENTRY:
5207 if ( !capable(CAP_NET_ADMIN) ||
5208 (card->options.layer2) ) {
5212 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5213 sizeof(struct qeth_arp_cache_entry)))
5216 rc = qeth_arp_remove_entry(card, &arp_entry);
5218 case SIOC_QETH_ARP_FLUSH_CACHE:
5219 if ( !capable(CAP_NET_ADMIN) ||
5220 (card->options.layer2) ) {
5224 rc = qeth_arp_flush_cache(card);
5226 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5227 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5229 case SIOC_QETH_GET_CARD_TYPE:
5230 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5231 !card->info.guestlan)
5236 mii_data = if_mii(rq);
5237 mii_data->phy_id = 0;
5240 mii_data = if_mii(rq);
5241 if (mii_data->phy_id != 0)
5244 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5251 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5255 static struct net_device_stats *
5256 qeth_get_stats(struct net_device *dev)
5258 struct qeth_card *card;
5260 card = (struct qeth_card *) (dev->priv);
5262 QETH_DBF_TEXT(trace,5,"getstat");
5264 return &card->stats;
5268 qeth_change_mtu(struct net_device *dev, int new_mtu)
5270 struct qeth_card *card;
5273 card = (struct qeth_card *) (dev->priv);
5275 QETH_DBF_TEXT(trace,4,"chgmtu");
5276 sprintf(dbf_text, "%8x", new_mtu);
5277 QETH_DBF_TEXT(trace,4,dbf_text);
5281 if (new_mtu > 65535)
5283 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5284 (!qeth_mtu_is_valid(card, new_mtu)))
5290 #ifdef CONFIG_QETH_VLAN
5292 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5294 struct qeth_card *card;
5295 unsigned long flags;
5297 QETH_DBF_TEXT(trace,4,"vlanreg");
5299 card = (struct qeth_card *) dev->priv;
5300 spin_lock_irqsave(&card->vlanlock, flags);
5301 card->vlangrp = grp;
5302 spin_unlock_irqrestore(&card->vlanlock, flags);
5306 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5310 struct sk_buff *skb;
5311 struct sk_buff_head tmp_list;
5313 skb_queue_head_init(&tmp_list);
5314 lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key);
5315 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5316 while ((skb = skb_dequeue(&buf->skb_list))){
5317 if (vlan_tx_tag_present(skb) &&
5318 (vlan_tx_tag_get(skb) == vid)) {
5319 atomic_dec(&skb->users);
5322 skb_queue_tail(&tmp_list, skb);
5325 while ((skb = skb_dequeue(&tmp_list)))
5326 skb_queue_tail(&buf->skb_list, skb);
5330 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5334 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5335 for (i = 0; i < card->qdio.no_out_queues; ++i){
5336 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5337 qeth_free_vlan_buffer(card, &card->qdio.
5338 out_qs[i]->bufs[j], vid);
5343 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5345 struct in_device *in_dev;
5346 struct in_ifaddr *ifa;
5347 struct qeth_ipaddr *addr;
5349 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5352 in_dev = __in_dev_get_rcu(vlan_group_get_device(card->vlangrp, vid));
5355 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5356 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5358 addr->u.a4.addr = ifa->ifa_address;
5359 addr->u.a4.mask = ifa->ifa_mask;
5360 addr->type = QETH_IP_TYPE_NORMAL;
5361 if (!qeth_delete_ip(card, addr))
5370 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5372 #ifdef CONFIG_QETH_IPV6
5373 struct inet6_dev *in6_dev;
5374 struct inet6_ifaddr *ifa;
5375 struct qeth_ipaddr *addr;
5377 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5379 in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid));
5382 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5383 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5385 memcpy(&addr->u.a6.addr, &ifa->addr,
5386 sizeof(struct in6_addr));
5387 addr->u.a6.pfxlen = ifa->prefix_len;
5388 addr->type = QETH_IP_TYPE_NORMAL;
5389 if (!qeth_delete_ip(card, addr))
5393 in6_dev_put(in6_dev);
5394 #endif /* CONFIG_QETH_IPV6 */
5398 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5400 if (card->options.layer2 || !card->vlangrp)
5402 qeth_free_vlan_addresses4(card, vid);
5403 qeth_free_vlan_addresses6(card, vid);
5407 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5408 struct qeth_reply *reply,
5411 struct qeth_ipa_cmd *cmd;
5413 QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5414 cmd = (struct qeth_ipa_cmd *) data;
5415 if (cmd->hdr.return_code) {
5416 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5417 "Continuing\n",cmd->data.setdelvlan.vlan_id,
5418 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5419 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5420 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5421 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5427 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5428 enum qeth_ipa_cmds ipacmd)
5430 struct qeth_ipa_cmd *cmd;
5431 struct qeth_cmd_buffer *iob;
5433 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5434 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5435 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5436 cmd->data.setdelvlan.vlan_id = i;
5437 return qeth_send_ipa_cmd(card, iob,
5438 qeth_layer2_send_setdelvlan_cb, NULL);
5442 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5446 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5450 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5451 if (vlan_group_get_device(card->vlangrp, i) == NULL)
5454 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5456 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5460 /*add_vid is layer 2 used only ....*/
5462 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5464 struct qeth_card *card;
5466 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5468 card = (struct qeth_card *) dev->priv;
5469 if (!card->options.layer2)
5471 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5474 /*... kill_vid used for both modes*/
5476 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5478 struct qeth_card *card;
5479 unsigned long flags;
5481 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5483 card = (struct qeth_card *) dev->priv;
5484 /* free all skbs for the vlan device */
5485 qeth_free_vlan_skbs(card, vid);
5486 spin_lock_irqsave(&card->vlanlock, flags);
5487 /* unregister IP addresses of vlan device */
5488 qeth_free_vlan_addresses(card, vid);
5489 vlan_group_set_device(card->vlangrp, vid, NULL);
5490 spin_unlock_irqrestore(&card->vlanlock, flags);
5491 if (card->options.layer2)
5492 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5493 qeth_set_multicast_list(card->dev);
5497 * Examine hardware response to SET_PROMISC_MODE
5500 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5501 struct qeth_reply *reply,
5504 struct qeth_ipa_cmd *cmd;
5505 struct qeth_ipacmd_setadpparms *setparms;
5507 QETH_DBF_TEXT(trace,4,"prmadpcb");
5509 cmd = (struct qeth_ipa_cmd *) data;
5510 setparms = &(cmd->data.setadapterparms);
5512 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5513 if (cmd->hdr.return_code) {
5514 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5515 setparms->data.mode = SET_PROMISC_MODE_OFF;
5517 card->info.promisc_mode = setparms->data.mode;
5521 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5524 qeth_setadp_promisc_mode(struct qeth_card *card)
5526 enum qeth_ipa_promisc_modes mode;
5527 struct net_device *dev = card->dev;
5528 struct qeth_cmd_buffer *iob;
5529 struct qeth_ipa_cmd *cmd;
5531 QETH_DBF_TEXT(trace, 4, "setprom");
5533 if (((dev->flags & IFF_PROMISC) &&
5534 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5535 (!(dev->flags & IFF_PROMISC) &&
5536 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5538 mode = SET_PROMISC_MODE_OFF;
5539 if (dev->flags & IFF_PROMISC)
5540 mode = SET_PROMISC_MODE_ON;
5541 QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5543 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5544 sizeof(struct qeth_ipacmd_setadpparms));
5545 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5546 cmd->data.setadapterparms.data.mode = mode;
5547 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5551 * set multicast address on card
5554 qeth_set_multicast_list(struct net_device *dev)
5556 struct qeth_card *card = (struct qeth_card *) dev->priv;
5558 if (card->info.type == QETH_CARD_TYPE_OSN)
5561 QETH_DBF_TEXT(trace, 3, "setmulti");
5562 qeth_delete_mc_addresses(card);
5563 if (card->options.layer2) {
5564 qeth_layer2_add_multicast(card);
5567 qeth_add_multicast_ipv4(card);
5568 #ifdef CONFIG_QETH_IPV6
5569 qeth_add_multicast_ipv6(card);
5572 qeth_set_ip_addr_list(card);
5573 if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5575 qeth_setadp_promisc_mode(card);
5579 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5585 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5587 if (dev->type == ARPHRD_IEEE802_TR)
5588 ip_tr_mc_map(ipm, mac);
5590 ip_eth_mc_map(ipm, mac);
5593 static struct qeth_ipaddr *
5594 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5596 struct qeth_ipaddr *addr;
5598 addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5600 PRINT_WARN("Not enough memory to add address\n");
5603 addr->type = QETH_IP_TYPE_NORMAL;
5609 qeth_osn_assist(struct net_device *dev,
5613 struct qeth_cmd_buffer *iob;
5614 struct qeth_card *card;
5617 QETH_DBF_TEXT(trace, 2, "osnsdmc");
5620 card = (struct qeth_card *)dev->priv;
5623 if ((card->state != CARD_STATE_UP) &&
5624 (card->state != CARD_STATE_SOFTSETUP))
5626 iob = qeth_wait_for_buffer(&card->write);
5627 memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5628 rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5632 static struct net_device *
5633 qeth_netdev_by_devno(unsigned char *read_dev_no)
5635 struct qeth_card *card;
5636 struct net_device *ndev;
5637 unsigned char *readno;
5638 __u16 temp_dev_no, card_dev_no;
5640 unsigned long flags;
5643 memcpy(&temp_dev_no, read_dev_no, 2);
5644 read_lock_irqsave(&qeth_card_list.rwlock, flags);
5645 list_for_each_entry(card, &qeth_card_list.list, list) {
5646 readno = CARD_RDEV_ID(card);
5647 readno += (strlen(readno) - 4);
5648 card_dev_no = simple_strtoul(readno, &endp, 16);
5649 if (card_dev_no == temp_dev_no) {
5654 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5659 qeth_osn_register(unsigned char *read_dev_no,
5660 struct net_device **dev,
5661 int (*assist_cb)(struct net_device *, void *),
5662 int (*data_cb)(struct sk_buff *))
5664 struct qeth_card * card;
5666 QETH_DBF_TEXT(trace, 2, "osnreg");
5667 *dev = qeth_netdev_by_devno(read_dev_no);
5670 card = (struct qeth_card *)(*dev)->priv;
5673 if ((assist_cb == NULL) || (data_cb == NULL))
5675 card->osn_info.assist_cb = assist_cb;
5676 card->osn_info.data_cb = data_cb;
5681 qeth_osn_deregister(struct net_device * dev)
5683 struct qeth_card *card;
5685 QETH_DBF_TEXT(trace, 2, "osndereg");
5688 card = (struct qeth_card *)dev->priv;
5691 card->osn_info.assist_cb = NULL;
5692 card->osn_info.data_cb = NULL;
5697 qeth_delete_mc_addresses(struct qeth_card *card)
5699 struct qeth_ipaddr *iptodo;
5700 unsigned long flags;
5702 QETH_DBF_TEXT(trace,4,"delmc");
5703 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5705 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5708 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5709 spin_lock_irqsave(&card->ip_lock, flags);
5710 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5712 spin_unlock_irqrestore(&card->ip_lock, flags);
5716 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5718 struct qeth_ipaddr *ipm;
5719 struct ip_mc_list *im4;
5720 char buf[MAX_ADDR_LEN];
5722 QETH_DBF_TEXT(trace,4,"addmc");
5723 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5724 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5725 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5728 ipm->u.a4.addr = im4->multiaddr;
5729 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5730 ipm->is_multicast = 1;
5731 if (!qeth_add_ip(card,ipm))
5737 qeth_add_vlan_mc(struct qeth_card *card)
5739 #ifdef CONFIG_QETH_VLAN
5740 struct in_device *in_dev;
5741 struct vlan_group *vg;
5744 QETH_DBF_TEXT(trace,4,"addmcvl");
5745 if ( ((card->options.layer2 == 0) &&
5746 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5747 (card->vlangrp == NULL) )
5751 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5752 struct net_device *netdev = vlan_group_get_device(vg, i);
5753 if (netdev == NULL ||
5754 !(netdev->flags & IFF_UP))
5756 in_dev = in_dev_get(netdev);
5759 read_lock(&in_dev->mc_list_lock);
5760 qeth_add_mc(card,in_dev);
5761 read_unlock(&in_dev->mc_list_lock);
5768 qeth_add_multicast_ipv4(struct qeth_card *card)
5770 struct in_device *in4_dev;
5772 QETH_DBF_TEXT(trace,4,"chkmcv4");
5773 in4_dev = in_dev_get(card->dev);
5774 if (in4_dev == NULL)
5776 read_lock(&in4_dev->mc_list_lock);
5777 qeth_add_mc(card, in4_dev);
5778 qeth_add_vlan_mc(card);
5779 read_unlock(&in4_dev->mc_list_lock);
5780 in_dev_put(in4_dev);
5784 qeth_layer2_add_multicast(struct qeth_card *card)
5786 struct qeth_ipaddr *ipm;
5787 struct dev_mc_list *dm;
5789 QETH_DBF_TEXT(trace,4,"L2addmc");
5790 for (dm = card->dev->mc_list; dm; dm = dm->next) {
5791 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5794 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5795 ipm->is_multicast = 1;
5796 if (!qeth_add_ip(card, ipm))
5801 #ifdef CONFIG_QETH_IPV6
5803 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5805 struct qeth_ipaddr *ipm;
5806 struct ifmcaddr6 *im6;
5807 char buf[MAX_ADDR_LEN];
5809 QETH_DBF_TEXT(trace,4,"addmc6");
5810 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
5811 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
5812 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
5815 ipm->is_multicast = 1;
5816 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5817 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
5818 sizeof(struct in6_addr));
5819 if (!qeth_add_ip(card,ipm))
5825 qeth_add_vlan_mc6(struct qeth_card *card)
5827 #ifdef CONFIG_QETH_VLAN
5828 struct inet6_dev *in_dev;
5829 struct vlan_group *vg;
5832 QETH_DBF_TEXT(trace,4,"admc6vl");
5833 if ( ((card->options.layer2 == 0) &&
5834 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5835 (card->vlangrp == NULL))
5839 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5840 struct net_device *netdev = vlan_group_get_device(vg, i);
5841 if (netdev == NULL ||
5842 !(netdev->flags & IFF_UP))
5844 in_dev = in6_dev_get(netdev);
5847 read_lock_bh(&in_dev->lock);
5848 qeth_add_mc6(card,in_dev);
5849 read_unlock_bh(&in_dev->lock);
5850 in6_dev_put(in_dev);
5852 #endif /* CONFIG_QETH_VLAN */
5856 qeth_add_multicast_ipv6(struct qeth_card *card)
5858 struct inet6_dev *in6_dev;
5860 QETH_DBF_TEXT(trace,4,"chkmcv6");
5861 if (!qeth_is_supported(card, IPA_IPV6))
5863 in6_dev = in6_dev_get(card->dev);
5864 if (in6_dev == NULL)
5866 read_lock_bh(&in6_dev->lock);
5867 qeth_add_mc6(card, in6_dev);
5868 qeth_add_vlan_mc6(card);
5869 read_unlock_bh(&in6_dev->lock);
5870 in6_dev_put(in6_dev);
5872 #endif /* CONFIG_QETH_IPV6 */
5875 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
5876 enum qeth_ipa_cmds ipacmd,
5877 int (*reply_cb) (struct qeth_card *,
5881 struct qeth_ipa_cmd *cmd;
5882 struct qeth_cmd_buffer *iob;
5884 QETH_DBF_TEXT(trace, 2, "L2sdmac");
5885 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5886 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5887 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
5888 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
5889 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
5893 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
5894 struct qeth_reply *reply,
5897 struct qeth_ipa_cmd *cmd;
5900 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
5901 cmd = (struct qeth_ipa_cmd *) data;
5902 mac = &cmd->data.setdelmac.mac[0];
5903 /* MAC already registered, needed in couple/uncouple case */
5904 if (cmd->hdr.return_code == 0x2005) {
5905 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5906 "already existing on %s \n",
5907 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5908 QETH_CARD_IFNAME(card));
5909 cmd->hdr.return_code = 0;
5911 if (cmd->hdr.return_code)
5912 PRINT_ERR("Could not set group MAC " \
5913 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5914 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5915 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
5920 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
5922 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
5923 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
5924 qeth_layer2_send_setgroupmac_cb);
5928 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
5929 struct qeth_reply *reply,
5932 struct qeth_ipa_cmd *cmd;
5935 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
5936 cmd = (struct qeth_ipa_cmd *) data;
5937 mac = &cmd->data.setdelmac.mac[0];
5938 if (cmd->hdr.return_code)
5939 PRINT_ERR("Could not delete group MAC " \
5940 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5941 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
5942 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5947 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
5949 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
5950 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
5951 qeth_layer2_send_delgroupmac_cb);
5955 qeth_layer2_send_setmac_cb(struct qeth_card *card,
5956 struct qeth_reply *reply,
5959 struct qeth_ipa_cmd *cmd;
5961 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
5962 cmd = (struct qeth_ipa_cmd *) data;
5963 if (cmd->hdr.return_code) {
5964 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
5965 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
5966 cmd->hdr.return_code = -EIO;
5968 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
5969 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
5971 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5972 "successfully registered on device %s\n",
5973 card->dev->dev_addr[0], card->dev->dev_addr[1],
5974 card->dev->dev_addr[2], card->dev->dev_addr[3],
5975 card->dev->dev_addr[4], card->dev->dev_addr[5],
5982 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
5984 QETH_DBF_TEXT(trace, 2, "L2Setmac");
5985 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
5986 qeth_layer2_send_setmac_cb);
5990 qeth_layer2_send_delmac_cb(struct qeth_card *card,
5991 struct qeth_reply *reply,
5994 struct qeth_ipa_cmd *cmd;
5996 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
5997 cmd = (struct qeth_ipa_cmd *) data;
5998 if (cmd->hdr.return_code) {
5999 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
6000 cmd->hdr.return_code = -EIO;
6003 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
6008 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
6010 QETH_DBF_TEXT(trace, 2, "L2Delmac");
6011 if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
6013 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
6014 qeth_layer2_send_delmac_cb);
6018 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
6020 struct sockaddr *addr = p;
6021 struct qeth_card *card;
6024 QETH_DBF_TEXT(trace, 3, "setmac");
6026 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
6027 QETH_DBF_TEXT(trace, 3, "setmcINV");
6030 card = (struct qeth_card *) dev->priv;
6032 if (!card->options.layer2) {
6033 PRINT_WARN("Setting MAC address on %s is not supported "
6034 "in Layer 3 mode.\n", dev->name);
6035 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6038 if (card->info.type == QETH_CARD_TYPE_OSN) {
6039 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6041 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6044 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6045 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6046 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6048 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6053 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6054 __u8 command, enum qeth_prot_versions prot)
6056 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6057 cmd->hdr.command = command;
6058 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6059 cmd->hdr.seqno = card->seqno.ipa;
6060 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6061 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6062 if (card->options.layer2)
6063 cmd->hdr.prim_version_no = 2;
6065 cmd->hdr.prim_version_no = 1;
6066 cmd->hdr.param_count = 1;
6067 cmd->hdr.prot_version = prot;
6068 cmd->hdr.ipa_supported = 0;
6069 cmd->hdr.ipa_enabled = 0;
6072 static struct qeth_cmd_buffer *
6073 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6074 enum qeth_prot_versions prot)
6076 struct qeth_cmd_buffer *iob;
6077 struct qeth_ipa_cmd *cmd;
6079 iob = qeth_wait_for_buffer(&card->write);
6080 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6081 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6087 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6090 struct qeth_cmd_buffer *iob;
6091 struct qeth_ipa_cmd *cmd;
6093 QETH_DBF_TEXT(trace,4,"setdelmc");
6095 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6096 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6097 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6098 if (addr->proto == QETH_PROT_IPV6)
6099 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6100 sizeof(struct in6_addr));
6102 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6104 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6109 qeth_fill_netmask(u8 *netmask, unsigned int len)
6112 for (i=0;i<16;i++) {
6117 netmask[i] = (u8)(0xFF00>>j);
6124 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6125 int ipacmd, unsigned int flags)
6128 struct qeth_cmd_buffer *iob;
6129 struct qeth_ipa_cmd *cmd;
6132 QETH_DBF_TEXT(trace,4,"setdelip");
6133 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6135 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6136 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6137 if (addr->proto == QETH_PROT_IPV6) {
6138 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6139 sizeof(struct in6_addr));
6140 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6141 memcpy(cmd->data.setdelip6.mask, netmask,
6142 sizeof(struct in6_addr));
6143 cmd->data.setdelip6.flags = flags;
6145 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6146 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6147 cmd->data.setdelip4.flags = flags;
6150 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6156 qeth_layer2_register_addr_entry(struct qeth_card *card,
6157 struct qeth_ipaddr *addr)
6159 if (!addr->is_multicast)
6161 QETH_DBF_TEXT(trace, 2, "setgmac");
6162 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6163 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6167 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6168 struct qeth_ipaddr *addr)
6170 if (!addr->is_multicast)
6172 QETH_DBF_TEXT(trace, 2, "delgmac");
6173 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6174 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6178 qeth_layer3_register_addr_entry(struct qeth_card *card,
6179 struct qeth_ipaddr *addr)
6185 if (addr->proto == QETH_PROT_IPV4) {
6186 QETH_DBF_TEXT(trace, 2,"setaddr4");
6187 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6188 } else if (addr->proto == QETH_PROT_IPV6) {
6189 QETH_DBF_TEXT(trace, 2, "setaddr6");
6190 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6191 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6193 QETH_DBF_TEXT(trace, 2, "setaddr?");
6194 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6197 if (addr->is_multicast)
6198 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6200 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6203 QETH_DBF_TEXT(trace, 2, "failed");
6204 } while ((--cnt > 0) && rc);
6206 QETH_DBF_TEXT(trace, 2, "FAILED");
6207 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6208 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6215 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6216 struct qeth_ipaddr *addr)
6221 if (addr->proto == QETH_PROT_IPV4) {
6222 QETH_DBF_TEXT(trace, 2,"deladdr4");
6223 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6224 } else if (addr->proto == QETH_PROT_IPV6) {
6225 QETH_DBF_TEXT(trace, 2, "deladdr6");
6226 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6227 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6229 QETH_DBF_TEXT(trace, 2, "deladdr?");
6230 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6232 if (addr->is_multicast)
6233 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6235 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6238 QETH_DBF_TEXT(trace, 2, "failed");
6239 /* TODO: re-activate this warning as soon as we have a
6241 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6242 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6250 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6252 if (card->options.layer2)
6253 return qeth_layer2_register_addr_entry(card, addr);
6255 return qeth_layer3_register_addr_entry(card, addr);
6259 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6261 if (card->options.layer2)
6262 return qeth_layer2_deregister_addr_entry(card, addr);
6264 return qeth_layer3_deregister_addr_entry(card, addr);
6268 qeth_ethtool_get_tx_csum(struct net_device *dev)
6270 /* We may need to say that we support tx csum offload if
6271 * we do EDDP or TSO. There are discussions going on to
6272 * enforce rules in the stack and in ethtool that make
6273 * SG and TSO depend on HW_CSUM. At the moment there are
6275 * If we say yes here, we have to checksum outbound packets
6281 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6287 qeth_ethtool_get_rx_csum(struct net_device *dev)
6289 struct qeth_card *card = (struct qeth_card *)dev->priv;
6291 return (card->options.checksum_type == HW_CHECKSUMMING);
6295 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6297 struct qeth_card *card = (struct qeth_card *)dev->priv;
6299 if ((card->state != CARD_STATE_DOWN) &&
6300 (card->state != CARD_STATE_RECOVER))
6303 card->options.checksum_type = HW_CHECKSUMMING;
6305 card->options.checksum_type = SW_CHECKSUMMING;
6310 qeth_ethtool_get_sg(struct net_device *dev)
6312 struct qeth_card *card = (struct qeth_card *)dev->priv;
6314 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6315 (dev->features & NETIF_F_SG));
6319 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6321 struct qeth_card *card = (struct qeth_card *)dev->priv;
6324 if (card->options.large_send != QETH_LARGE_SEND_NO)
6325 dev->features |= NETIF_F_SG;
6327 dev->features &= ~NETIF_F_SG;
6331 dev->features &= ~NETIF_F_SG;
6336 qeth_ethtool_get_tso(struct net_device *dev)
6338 struct qeth_card *card = (struct qeth_card *)dev->priv;
6340 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6341 (dev->features & NETIF_F_TSO));
6345 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6347 struct qeth_card *card = (struct qeth_card *)dev->priv;
6350 if (card->options.large_send != QETH_LARGE_SEND_NO)
6351 dev->features |= NETIF_F_TSO;
6353 dev->features &= ~NETIF_F_TSO;
6357 dev->features &= ~NETIF_F_TSO;
6361 static struct ethtool_ops qeth_ethtool_ops = {
6362 .get_tx_csum = qeth_ethtool_get_tx_csum,
6363 .set_tx_csum = qeth_ethtool_set_tx_csum,
6364 .get_rx_csum = qeth_ethtool_get_rx_csum,
6365 .set_rx_csum = qeth_ethtool_set_rx_csum,
6366 .get_sg = qeth_ethtool_get_sg,
6367 .set_sg = qeth_ethtool_set_sg,
6368 .get_tso = qeth_ethtool_get_tso,
6369 .set_tso = qeth_ethtool_set_tso,
6373 qeth_hard_header_parse(struct sk_buff *skb, unsigned char *haddr)
6375 struct qeth_card *card;
6378 card = qeth_get_card_from_dev(skb->dev);
6379 if (card->options.layer2)
6381 #ifdef CONFIG_QETH_IPV6
6382 /* cause of the manipulated arp constructor and the ARP
6383 flag for OSAE devices we have some nasty exceptions */
6384 if (card->info.type == QETH_CARD_TYPE_OSAE) {
6385 if (!card->options.fake_ll) {
6386 if ((skb->pkt_type==PACKET_OUTGOING) &&
6387 (skb->protocol==ETH_P_IPV6))
6392 if ((skb->pkt_type==PACKET_OUTGOING) &&
6393 (skb->protocol==ETH_P_IP))
6400 if (!card->options.fake_ll)
6404 memcpy(haddr, eth->h_source, ETH_ALEN);
6409 qeth_netdev_init(struct net_device *dev)
6411 struct qeth_card *card;
6413 card = (struct qeth_card *) dev->priv;
6415 QETH_DBF_TEXT(trace,3,"initdev");
6417 dev->tx_timeout = &qeth_tx_timeout;
6418 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6419 dev->open = qeth_open;
6420 dev->stop = qeth_stop;
6421 dev->hard_start_xmit = qeth_hard_start_xmit;
6422 dev->do_ioctl = qeth_do_ioctl;
6423 dev->get_stats = qeth_get_stats;
6424 dev->change_mtu = qeth_change_mtu;
6425 dev->neigh_setup = qeth_neigh_setup;
6426 dev->set_multicast_list = qeth_set_multicast_list;
6427 #ifdef CONFIG_QETH_VLAN
6428 dev->vlan_rx_register = qeth_vlan_rx_register;
6429 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6430 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6432 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6433 dev->rebuild_header = NULL;
6434 dev->hard_header = NULL;
6435 dev->header_cache_update = NULL;
6436 dev->hard_header_cache = NULL;
6438 #ifdef CONFIG_QETH_IPV6
6439 /*IPv6 address autoconfiguration stuff*/
6440 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6441 card->dev->dev_id = card->info.unique_id & 0xffff;
6443 if (card->options.fake_ll &&
6444 (qeth_get_netdev_flags(card) & IFF_NOARP))
6445 dev->hard_header = qeth_fake_header;
6446 if (dev->type == ARPHRD_IEEE802_TR)
6447 dev->hard_header_parse = NULL;
6449 dev->hard_header_parse = qeth_hard_header_parse;
6450 dev->set_mac_address = qeth_layer2_set_mac_address;
6451 dev->flags |= qeth_get_netdev_flags(card);
6452 if ((card->options.fake_broadcast) ||
6453 (card->info.broadcast_capable))
6454 dev->flags |= IFF_BROADCAST;
6455 dev->hard_header_len =
6456 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6457 dev->addr_len = OSA_ADDR_LEN;
6458 dev->mtu = card->info.initial_mtu;
6459 if (card->info.type != QETH_CARD_TYPE_OSN)
6460 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6461 SET_MODULE_OWNER(dev);
6466 qeth_init_func_level(struct qeth_card *card)
6468 if (card->ipato.enabled) {
6469 if (card->info.type == QETH_CARD_TYPE_IQD)
6470 card->info.func_level =
6471 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6473 card->info.func_level =
6474 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6476 if (card->info.type == QETH_CARD_TYPE_IQD)
6477 /*FIXME:why do we have same values for dis and ena for osae??? */
6478 card->info.func_level =
6479 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6481 card->info.func_level =
6482 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6487 * hardsetup card, initialize MPC and QDIO stuff
6490 qeth_hardsetup_card(struct qeth_card *card)
6495 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6499 PRINT_WARN("Retrying to do IDX activates.\n");
6500 ccw_device_set_offline(CARD_DDEV(card));
6501 ccw_device_set_offline(CARD_WDEV(card));
6502 ccw_device_set_offline(CARD_RDEV(card));
6503 ccw_device_set_online(CARD_RDEV(card));
6504 ccw_device_set_online(CARD_WDEV(card));
6505 ccw_device_set_online(CARD_DDEV(card));
6507 rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6508 if (rc == -ERESTARTSYS) {
6509 QETH_DBF_TEXT(setup, 2, "break1");
6512 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6518 if ((rc = qeth_get_unitaddr(card))){
6519 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6522 qeth_init_tokens(card);
6523 qeth_init_func_level(card);
6524 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6525 if (rc == -ERESTARTSYS) {
6526 QETH_DBF_TEXT(setup, 2, "break2");
6529 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6535 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6536 if (rc == -ERESTARTSYS) {
6537 QETH_DBF_TEXT(setup, 2, "break3");
6540 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6546 if ((rc = qeth_mpc_initialize(card))){
6547 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6550 /*network device will be recovered*/
6552 card->dev->hard_header = card->orig_hard_header;
6553 if (card->options.fake_ll &&
6554 (qeth_get_netdev_flags(card) & IFF_NOARP))
6555 card->dev->hard_header = qeth_fake_header;
6558 /* at first set_online allocate netdev */
6559 card->dev = qeth_get_netdevice(card->info.type,
6560 card->info.link_type);
6562 qeth_qdio_clear_card(card, card->info.type !=
6563 QETH_CARD_TYPE_IQD);
6565 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6568 card->dev->priv = card;
6569 card->orig_hard_header = card->dev->hard_header;
6570 card->dev->type = qeth_get_arphdr_type(card->info.type,
6571 card->info.link_type);
6572 card->dev->init = qeth_netdev_init;
6575 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6580 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6583 struct qeth_ipa_cmd *cmd;
6585 QETH_DBF_TEXT(trace,4,"defadpcb");
6587 cmd = (struct qeth_ipa_cmd *) data;
6588 if (cmd->hdr.return_code == 0){
6589 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6590 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6591 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6592 #ifdef CONFIG_QETH_IPV6
6593 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6594 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6597 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6598 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6599 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6600 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6606 qeth_default_setadapterparms_cb(struct qeth_card *card,
6607 struct qeth_reply *reply,
6610 struct qeth_ipa_cmd *cmd;
6612 QETH_DBF_TEXT(trace,4,"defadpcb");
6614 cmd = (struct qeth_ipa_cmd *) data;
6615 if (cmd->hdr.return_code == 0)
6616 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6623 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6626 struct qeth_ipa_cmd *cmd;
6628 QETH_DBF_TEXT(trace,3,"quyadpcb");
6630 cmd = (struct qeth_ipa_cmd *) data;
6631 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6632 card->info.link_type =
6633 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6634 card->options.adp.supported_funcs =
6635 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6636 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6640 qeth_query_setadapterparms(struct qeth_card *card)
6643 struct qeth_cmd_buffer *iob;
6645 QETH_DBF_TEXT(trace,3,"queryadp");
6646 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6647 sizeof(struct qeth_ipacmd_setadpparms));
6648 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6653 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6654 struct qeth_reply *reply,
6657 struct qeth_ipa_cmd *cmd;
6659 QETH_DBF_TEXT(trace,4,"chgmaccb");
6661 cmd = (struct qeth_ipa_cmd *) data;
6662 if (!card->options.layer2 ||
6663 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6664 memcpy(card->dev->dev_addr,
6665 &cmd->data.setadapterparms.data.change_addr.addr,
6667 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6669 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6674 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6677 struct qeth_cmd_buffer *iob;
6678 struct qeth_ipa_cmd *cmd;
6680 QETH_DBF_TEXT(trace,4,"chgmac");
6682 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6683 sizeof(struct qeth_ipacmd_setadpparms));
6684 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6685 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6686 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6687 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6688 card->dev->dev_addr, OSA_ADDR_LEN);
6689 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6695 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6698 struct qeth_cmd_buffer *iob;
6699 struct qeth_ipa_cmd *cmd;
6701 QETH_DBF_TEXT(trace,4,"adpmode");
6703 iob = qeth_get_adapter_cmd(card, command,
6704 sizeof(struct qeth_ipacmd_setadpparms));
6705 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6706 cmd->data.setadapterparms.data.mode = mode;
6707 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6713 qeth_setadapter_hstr(struct qeth_card *card)
6717 QETH_DBF_TEXT(trace,4,"adphstr");
6719 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6720 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6721 card->options.broadcast_mode);
6723 PRINT_WARN("couldn't set broadcast mode on "
6725 CARD_BUS_ID(card), rc);
6726 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6727 card->options.macaddr_mode);
6729 PRINT_WARN("couldn't set macaddr mode on "
6730 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6733 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6734 PRINT_WARN("set adapter parameters not available "
6735 "to set broadcast mode, using ALLRINGS "
6736 "on device %s:\n", CARD_BUS_ID(card));
6737 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6738 PRINT_WARN("set adapter parameters not available "
6739 "to set macaddr mode, using NONCANONICAL "
6740 "on device %s:\n", CARD_BUS_ID(card));
6745 qeth_setadapter_parms(struct qeth_card *card)
6749 QETH_DBF_TEXT(setup, 2, "setadprm");
6751 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6752 PRINT_WARN("set adapter parameters not supported "
6755 QETH_DBF_TEXT(setup, 2, " notsupp");
6758 rc = qeth_query_setadapterparms(card);
6760 PRINT_WARN("couldn't set adapter parameters on device %s: "
6761 "x%x\n", CARD_BUS_ID(card), rc);
6764 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6765 rc = qeth_setadpparms_change_macaddr(card);
6767 PRINT_WARN("couldn't get MAC address on "
6769 CARD_BUS_ID(card), rc);
6772 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6773 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6774 rc = qeth_setadapter_hstr(card);
6780 qeth_layer2_initialize(struct qeth_card *card)
6785 QETH_DBF_TEXT(setup, 2, "doL2init");
6786 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6788 rc = qeth_query_setadapterparms(card);
6790 PRINT_WARN("could not query adapter parameters on device %s: "
6791 "x%x\n", CARD_BUS_ID(card), rc);
6794 rc = qeth_setadpparms_change_macaddr(card);
6796 PRINT_WARN("couldn't get MAC address on "
6798 CARD_BUS_ID(card), rc);
6799 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6802 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6804 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6806 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
6812 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6813 enum qeth_prot_versions prot)
6816 struct qeth_cmd_buffer *iob;
6818 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
6819 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6825 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
6829 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
6831 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
6836 qeth_send_stoplan(struct qeth_card *card)
6841 * TODO: according to the IPA format document page 14,
6842 * TCP/IP (we!) never issue a STOPLAN
6845 QETH_DBF_TEXT(trace, 2, "stoplan");
6847 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
6852 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
6855 struct qeth_ipa_cmd *cmd;
6857 QETH_DBF_TEXT(setup, 2, "qipasscb");
6859 cmd = (struct qeth_ipa_cmd *) data;
6860 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
6861 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
6862 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6863 /* Disable IPV6 support hard coded for Hipersockets */
6864 if(card->info.type == QETH_CARD_TYPE_IQD)
6865 card->options.ipa4.supported_funcs &= ~IPA_IPV6;
6867 #ifdef CONFIG_QETH_IPV6
6868 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
6869 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6872 QETH_DBF_TEXT(setup, 2, "suppenbl");
6873 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
6874 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
6879 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
6882 struct qeth_cmd_buffer *iob;
6884 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
6885 if (card->options.layer2) {
6886 QETH_DBF_TEXT(setup, 2, "noprmly2");
6890 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
6891 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
6895 static struct qeth_cmd_buffer *
6896 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
6897 __u16 cmd_code, __u16 len,
6898 enum qeth_prot_versions prot)
6900 struct qeth_cmd_buffer *iob;
6901 struct qeth_ipa_cmd *cmd;
6903 QETH_DBF_TEXT(trace,4,"getasscm");
6904 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
6906 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6907 cmd->data.setassparms.hdr.assist_no = ipa_func;
6908 cmd->data.setassparms.hdr.length = 8 + len;
6909 cmd->data.setassparms.hdr.command_code = cmd_code;
6910 cmd->data.setassparms.hdr.return_code = 0;
6911 cmd->data.setassparms.hdr.seq_no = 0;
6917 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
6918 __u16 len, long data,
6920 (struct qeth_card *,struct qeth_reply *,unsigned long),
6924 struct qeth_ipa_cmd *cmd;
6926 QETH_DBF_TEXT(trace,4,"sendassp");
6928 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6929 if (len <= sizeof(__u32))
6930 cmd->data.setassparms.data.flags_32bit = (__u32) data;
6931 else /* (len > sizeof(__u32)) */
6932 memcpy(&cmd->data.setassparms.data, (void *) data, len);
6934 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
6938 #ifdef CONFIG_QETH_IPV6
6940 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
6941 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
6945 struct qeth_cmd_buffer *iob;
6947 QETH_DBF_TEXT(trace,4,"simassp6");
6948 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6950 rc = qeth_send_setassparms(card, iob, 0, 0,
6951 qeth_default_setassparms_cb, NULL);
6957 qeth_send_simple_setassparms(struct qeth_card *card,
6958 enum qeth_ipa_funcs ipa_func,
6959 __u16 cmd_code, long data)
6963 struct qeth_cmd_buffer *iob;
6965 QETH_DBF_TEXT(trace,4,"simassp4");
6967 length = sizeof(__u32);
6968 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
6969 length, QETH_PROT_IPV4);
6970 rc = qeth_send_setassparms(card, iob, length, data,
6971 qeth_default_setassparms_cb, NULL);
6976 qeth_start_ipa_arp_processing(struct qeth_card *card)
6980 QETH_DBF_TEXT(trace,3,"ipaarp");
6982 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
6983 PRINT_WARN("ARP processing not supported "
6984 "on %s!\n", QETH_CARD_IFNAME(card));
6987 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
6988 IPA_CMD_ASS_START, 0);
6990 PRINT_WARN("Could not start ARP processing "
6991 "assist on %s: 0x%x\n",
6992 QETH_CARD_IFNAME(card), rc);
6998 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
7002 QETH_DBF_TEXT(trace,3,"ipaipfrg");
7004 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
7005 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
7006 QETH_CARD_IFNAME(card));
7010 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
7011 IPA_CMD_ASS_START, 0);
7013 PRINT_WARN("Could not start Hardware IP fragmentation "
7014 "assist on %s: 0x%x\n",
7015 QETH_CARD_IFNAME(card), rc);
7017 PRINT_INFO("Hardware IP fragmentation enabled \n");
7022 qeth_start_ipa_source_mac(struct qeth_card *card)
7026 QETH_DBF_TEXT(trace,3,"stsrcmac");
7028 if (!card->options.fake_ll)
7031 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
7032 PRINT_INFO("Inbound source address not "
7033 "supported on %s\n", QETH_CARD_IFNAME(card));
7037 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
7038 IPA_CMD_ASS_START, 0);
7040 PRINT_WARN("Could not start inbound source "
7041 "assist on %s: 0x%x\n",
7042 QETH_CARD_IFNAME(card), rc);
7047 qeth_start_ipa_vlan(struct qeth_card *card)
7051 QETH_DBF_TEXT(trace,3,"strtvlan");
7053 #ifdef CONFIG_QETH_VLAN
7054 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
7055 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
7059 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
7060 IPA_CMD_ASS_START,0);
7062 PRINT_WARN("Could not start vlan "
7063 "assist on %s: 0x%x\n",
7064 QETH_CARD_IFNAME(card), rc);
7066 PRINT_INFO("VLAN enabled \n");
7067 card->dev->features |=
7068 NETIF_F_HW_VLAN_FILTER |
7069 NETIF_F_HW_VLAN_TX |
7072 #endif /* QETH_VLAN */
7077 qeth_start_ipa_multicast(struct qeth_card *card)
7081 QETH_DBF_TEXT(trace,3,"stmcast");
7083 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7084 PRINT_WARN("Multicast not supported on %s\n",
7085 QETH_CARD_IFNAME(card));
7089 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7090 IPA_CMD_ASS_START,0);
7092 PRINT_WARN("Could not start multicast "
7093 "assist on %s: rc=%i\n",
7094 QETH_CARD_IFNAME(card), rc);
7096 PRINT_INFO("Multicast enabled\n");
7097 card->dev->flags |= IFF_MULTICAST;
7102 #ifdef CONFIG_QETH_IPV6
7104 qeth_softsetup_ipv6(struct qeth_card *card)
7108 QETH_DBF_TEXT(trace,3,"softipv6");
7110 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7112 PRINT_ERR("IPv6 startlan failed on %s\n",
7113 QETH_CARD_IFNAME(card));
7116 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7118 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7119 QETH_CARD_IFNAME(card));
7122 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7123 IPA_CMD_ASS_START, 3);
7125 PRINT_WARN("IPv6 start assist (version 4) failed "
7127 QETH_CARD_IFNAME(card), rc);
7130 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7133 PRINT_WARN("IPV6 start assist (version 6) failed "
7135 QETH_CARD_IFNAME(card), rc);
7138 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7141 PRINT_WARN("Could not enable passthrough "
7143 QETH_CARD_IFNAME(card), rc);
7146 PRINT_INFO("IPV6 enabled \n");
7153 qeth_start_ipa_ipv6(struct qeth_card *card)
7156 #ifdef CONFIG_QETH_IPV6
7157 QETH_DBF_TEXT(trace,3,"strtipv6");
7159 if (!qeth_is_supported(card, IPA_IPV6)) {
7160 PRINT_WARN("IPv6 not supported on %s\n",
7161 QETH_CARD_IFNAME(card));
7164 rc = qeth_softsetup_ipv6(card);
7170 qeth_start_ipa_broadcast(struct qeth_card *card)
7174 QETH_DBF_TEXT(trace,3,"stbrdcst");
7175 card->info.broadcast_capable = 0;
7176 if (!qeth_is_supported(card, IPA_FILTERING)) {
7177 PRINT_WARN("Broadcast not supported on %s\n",
7178 QETH_CARD_IFNAME(card));
7182 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7183 IPA_CMD_ASS_START, 0);
7185 PRINT_WARN("Could not enable broadcasting filtering "
7187 QETH_CARD_IFNAME(card), rc);
7191 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7192 IPA_CMD_ASS_CONFIGURE, 1);
7194 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7195 QETH_CARD_IFNAME(card), rc);
7198 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7199 PRINT_INFO("Broadcast enabled \n");
7200 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7201 IPA_CMD_ASS_ENABLE, 1);
7203 PRINT_WARN("Could not set up broadcast echo filtering on "
7204 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7207 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7209 if (card->info.broadcast_capable)
7210 card->dev->flags |= IFF_BROADCAST;
7212 card->dev->flags &= ~IFF_BROADCAST;
7217 qeth_send_checksum_command(struct qeth_card *card)
7221 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7222 IPA_CMD_ASS_START, 0);
7224 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7225 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7226 QETH_CARD_IFNAME(card), rc);
7229 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7231 card->info.csum_mask);
7233 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7234 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7235 QETH_CARD_IFNAME(card), rc);
7242 qeth_start_ipa_checksum(struct qeth_card *card)
7246 QETH_DBF_TEXT(trace,3,"strtcsum");
7248 if (card->options.checksum_type == NO_CHECKSUMMING) {
7249 PRINT_WARN("Using no checksumming on %s.\n",
7250 QETH_CARD_IFNAME(card));
7253 if (card->options.checksum_type == SW_CHECKSUMMING) {
7254 PRINT_WARN("Using SW checksumming on %s.\n",
7255 QETH_CARD_IFNAME(card));
7258 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7259 PRINT_WARN("Inbound HW Checksumming not "
7260 "supported on %s,\ncontinuing "
7261 "using Inbound SW Checksumming\n",
7262 QETH_CARD_IFNAME(card));
7263 card->options.checksum_type = SW_CHECKSUMMING;
7266 rc = qeth_send_checksum_command(card);
7268 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7274 qeth_start_ipa_tso(struct qeth_card *card)
7278 QETH_DBF_TEXT(trace,3,"sttso");
7280 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7281 PRINT_WARN("Outbound TSO not supported on %s\n",
7282 QETH_CARD_IFNAME(card));
7285 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7286 IPA_CMD_ASS_START,0);
7288 PRINT_WARN("Could not start outbound TSO "
7289 "assist on %s: rc=%i\n",
7290 QETH_CARD_IFNAME(card), rc);
7292 PRINT_INFO("Outbound TSO enabled\n");
7294 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7295 card->options.large_send = QETH_LARGE_SEND_NO;
7296 card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG);
7302 qeth_start_ipassists(struct qeth_card *card)
7304 QETH_DBF_TEXT(trace,3,"strtipas");
7305 qeth_start_ipa_arp_processing(card); /* go on*/
7306 qeth_start_ipa_ip_fragmentation(card); /* go on*/
7307 qeth_start_ipa_source_mac(card); /* go on*/
7308 qeth_start_ipa_vlan(card); /* go on*/
7309 qeth_start_ipa_multicast(card); /* go on*/
7310 qeth_start_ipa_ipv6(card); /* go on*/
7311 qeth_start_ipa_broadcast(card); /* go on*/
7312 qeth_start_ipa_checksum(card); /* go on*/
7313 qeth_start_ipa_tso(card); /* go on*/
7318 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7319 enum qeth_prot_versions prot)
7322 struct qeth_ipa_cmd *cmd;
7323 struct qeth_cmd_buffer *iob;
7325 QETH_DBF_TEXT(trace,4,"setroutg");
7326 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7327 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7328 cmd->data.setrtg.type = (type);
7329 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7336 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7337 enum qeth_prot_versions prot)
7339 if (card->info.type == QETH_CARD_TYPE_IQD) {
7342 case PRIMARY_CONNECTOR:
7343 case SECONDARY_CONNECTOR:
7344 case MULTICAST_ROUTER:
7352 case PRIMARY_ROUTER:
7353 case SECONDARY_ROUTER:
7355 case MULTICAST_ROUTER:
7356 if (qeth_is_ipafunc_supported(card, prot,
7364 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7365 "Router status set to 'no router'.\n",
7366 ((*type == PRIMARY_ROUTER)? "primary router" :
7367 (*type == SECONDARY_ROUTER)? "secondary router" :
7368 (*type == PRIMARY_CONNECTOR)? "primary connector" :
7369 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7370 (*type == MULTICAST_ROUTER)? "multicast router" :
7377 qeth_setrouting_v4(struct qeth_card *card)
7381 QETH_DBF_TEXT(trace,3,"setrtg4");
7383 qeth_correct_routing_type(card, &card->options.route4.type,
7386 rc = qeth_send_setrouting(card, card->options.route4.type,
7389 card->options.route4.type = NO_ROUTER;
7390 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7391 "Type set to 'no router'.\n",
7392 rc, QETH_CARD_IFNAME(card));
7398 qeth_setrouting_v6(struct qeth_card *card)
7402 QETH_DBF_TEXT(trace,3,"setrtg6");
7403 #ifdef CONFIG_QETH_IPV6
7405 if (!qeth_is_supported(card, IPA_IPV6))
7407 qeth_correct_routing_type(card, &card->options.route6.type,
7410 rc = qeth_send_setrouting(card, card->options.route6.type,
7413 card->options.route6.type = NO_ROUTER;
7414 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7415 "Type set to 'no router'.\n",
7416 rc, QETH_CARD_IFNAME(card));
7423 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7427 if (card->dev == NULL) {
7428 card->options.large_send = type;
7431 if (card->state == CARD_STATE_UP)
7432 netif_tx_disable(card->dev);
7433 card->options.large_send = type;
7434 switch (card->options.large_send) {
7435 case QETH_LARGE_SEND_EDDP:
7436 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7438 case QETH_LARGE_SEND_TSO:
7439 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7440 card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
7442 PRINT_WARN("TSO not supported on %s. "
7443 "large_send set to 'no'.\n",
7445 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7446 card->options.large_send = QETH_LARGE_SEND_NO;
7450 default: /* includes QETH_LARGE_SEND_NO */
7451 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
7454 if (card->state == CARD_STATE_UP)
7455 netif_wake_queue(card->dev);
7460 * softsetup card: init IPA stuff
7463 qeth_softsetup_card(struct qeth_card *card)
7467 QETH_DBF_TEXT(setup, 2, "softsetp");
7469 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7470 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7472 PRINT_WARN("LAN on card %s if offline! "
7473 "Waiting for STARTLAN from card.\n",
7475 card->lan_online = 0;
7479 card->lan_online = 1;
7480 if (card->info.type==QETH_CARD_TYPE_OSN)
7482 qeth_set_large_send(card, card->options.large_send);
7483 if (card->options.layer2) {
7484 card->dev->features |=
7485 NETIF_F_HW_VLAN_FILTER |
7486 NETIF_F_HW_VLAN_TX |
7488 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7489 card->info.broadcast_capable=1;
7490 if ((rc = qeth_layer2_initialize(card))) {
7491 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7494 #ifdef CONFIG_QETH_VLAN
7495 qeth_layer2_process_vlans(card, 0);
7499 if ((rc = qeth_setadapter_parms(card)))
7500 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7501 if ((rc = qeth_start_ipassists(card)))
7502 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7503 if ((rc = qeth_setrouting_v4(card)))
7504 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7505 if ((rc = qeth_setrouting_v6(card)))
7506 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7508 netif_tx_disable(card->dev);
7512 #ifdef CONFIG_QETH_IPV6
7514 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7517 struct qeth_ipa_cmd *cmd;
7519 cmd = (struct qeth_ipa_cmd *) data;
7520 if (cmd->hdr.return_code == 0)
7521 card->info.unique_id = *((__u16 *)
7522 &cmd->data.create_destroy_addr.unique_id[6]);
7524 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7525 UNIQUE_ID_NOT_BY_CARD;
7526 PRINT_WARN("couldn't get a unique id from the card on device "
7527 "%s (result=x%x), using default id. ipv6 "
7528 "autoconfig on other lpars may lead to duplicate "
7529 "ip addresses. please use manually "
7530 "configured ones.\n",
7531 CARD_BUS_ID(card), cmd->hdr.return_code);
7538 qeth_put_unique_id(struct qeth_card *card)
7542 #ifdef CONFIG_QETH_IPV6
7543 struct qeth_cmd_buffer *iob;
7544 struct qeth_ipa_cmd *cmd;
7546 QETH_DBF_TEXT(trace,2,"puniqeid");
7548 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7549 UNIQUE_ID_NOT_BY_CARD)
7551 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7553 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7554 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7555 card->info.unique_id;
7556 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7557 card->dev->dev_addr, OSA_ADDR_LEN);
7558 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7560 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7561 UNIQUE_ID_NOT_BY_CARD;
7570 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7572 struct qeth_ipaddr *addr, *tmp;
7573 unsigned long flags;
7575 QETH_DBF_TEXT(trace,4,"clearip");
7576 spin_lock_irqsave(&card->ip_lock, flags);
7577 /* clear todo list */
7578 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7579 list_del(&addr->entry);
7583 while (!list_empty(&card->ip_list)) {
7584 addr = list_entry(card->ip_list.next,
7585 struct qeth_ipaddr, entry);
7586 list_del_init(&addr->entry);
7588 spin_unlock_irqrestore(&card->ip_lock, flags);
7589 qeth_deregister_addr_entry(card, addr);
7590 spin_lock_irqsave(&card->ip_lock, flags);
7592 if (!recover || addr->is_multicast) {
7596 list_add_tail(&addr->entry, card->ip_tbd_list);
7598 spin_unlock_irqrestore(&card->ip_lock, flags);
7602 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7603 int clear_start_mask)
7605 unsigned long flags;
7607 spin_lock_irqsave(&card->thread_mask_lock, flags);
7608 card->thread_allowed_mask = threads;
7609 if (clear_start_mask)
7610 card->thread_start_mask &= threads;
7611 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7612 wake_up(&card->wait_q);
7616 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7618 unsigned long flags;
7621 spin_lock_irqsave(&card->thread_mask_lock, flags);
7622 rc = (card->thread_running_mask & threads);
7623 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7628 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7630 return wait_event_interruptible(card->wait_q,
7631 qeth_threads_running(card, threads) == 0);
7635 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7639 QETH_DBF_TEXT(setup ,2,"stopcard");
7640 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7642 qeth_set_allowed_threads(card, 0, 1);
7643 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7644 return -ERESTARTSYS;
7645 if (card->read.state == CH_STATE_UP &&
7646 card->write.state == CH_STATE_UP &&
7647 (card->state == CARD_STATE_UP)) {
7648 if (recovery_mode &&
7649 card->info.type != QETH_CARD_TYPE_OSN) {
7650 qeth_stop(card->dev);
7653 dev_close(card->dev);
7656 if (!card->use_hard_stop) {
7657 __u8 *mac = &card->dev->dev_addr[0];
7658 rc = qeth_layer2_send_delmac(card, mac);
7659 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7660 if ((rc = qeth_send_stoplan(card)))
7661 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7663 card->state = CARD_STATE_SOFTSETUP;
7665 if (card->state == CARD_STATE_SOFTSETUP) {
7666 #ifdef CONFIG_QETH_VLAN
7667 if (card->options.layer2)
7668 qeth_layer2_process_vlans(card, 1);
7670 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7671 qeth_clear_ipacmd_list(card);
7672 card->state = CARD_STATE_HARDSETUP;
7674 if (card->state == CARD_STATE_HARDSETUP) {
7675 if ((!card->use_hard_stop) &&
7676 (!card->options.layer2))
7677 if ((rc = qeth_put_unique_id(card)))
7678 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7679 qeth_qdio_clear_card(card, 0);
7680 qeth_clear_qdio_buffers(card);
7681 qeth_clear_working_pool_list(card);
7682 card->state = CARD_STATE_DOWN;
7684 if (card->state == CARD_STATE_DOWN) {
7685 qeth_clear_cmd_buffers(&card->read);
7686 qeth_clear_cmd_buffers(&card->write);
7688 card->use_hard_stop = 0;
7694 qeth_get_unique_id(struct qeth_card *card)
7697 #ifdef CONFIG_QETH_IPV6
7698 struct qeth_cmd_buffer *iob;
7699 struct qeth_ipa_cmd *cmd;
7701 QETH_DBF_TEXT(setup, 2, "guniqeid");
7703 if (!qeth_is_supported(card,IPA_IPV6)) {
7704 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7705 UNIQUE_ID_NOT_BY_CARD;
7709 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7711 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7712 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7713 card->info.unique_id;
7715 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7717 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7718 UNIQUE_ID_NOT_BY_CARD;
7723 qeth_print_status_with_portname(struct qeth_card *card)
7728 sprintf(dbf_text, "%s", card->info.portname + 1);
7729 for (i = 0; i < 8; i++)
7731 (char) _ebcasc[(__u8) dbf_text[i]];
7733 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7734 "with link type %s (portname: %s)\n",
7738 qeth_get_cardname(card),
7739 (card->info.mcl_level[0]) ? " (level: " : "",
7740 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7741 (card->info.mcl_level[0]) ? ")" : "",
7742 qeth_get_cardname_short(card),
7748 qeth_print_status_no_portname(struct qeth_card *card)
7750 if (card->info.portname[0])
7751 printk("qeth: Device %s/%s/%s is a%s "
7752 "card%s%s%s\nwith link type %s "
7753 "(no portname needed by interface).\n",
7757 qeth_get_cardname(card),
7758 (card->info.mcl_level[0]) ? " (level: " : "",
7759 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7760 (card->info.mcl_level[0]) ? ")" : "",
7761 qeth_get_cardname_short(card));
7763 printk("qeth: Device %s/%s/%s is a%s "
7764 "card%s%s%s\nwith link type %s.\n",
7768 qeth_get_cardname(card),
7769 (card->info.mcl_level[0]) ? " (level: " : "",
7770 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7771 (card->info.mcl_level[0]) ? ")" : "",
7772 qeth_get_cardname_short(card));
7776 qeth_print_status_message(struct qeth_card *card)
7778 switch (card->info.type) {
7779 case QETH_CARD_TYPE_OSAE:
7780 /* VM will use a non-zero first character
7781 * to indicate a HiperSockets like reporting
7782 * of the level OSA sets the first character to zero
7784 if (!card->info.mcl_level[0]) {
7785 sprintf(card->info.mcl_level,"%02x%02x",
7786 card->info.mcl_level[2],
7787 card->info.mcl_level[3]);
7789 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7793 case QETH_CARD_TYPE_IQD:
7794 if (card->info.guestlan) {
7795 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7796 card->info.mcl_level[0]];
7797 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7798 card->info.mcl_level[1]];
7799 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7800 card->info.mcl_level[2]];
7801 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7802 card->info.mcl_level[3]];
7803 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7807 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
7809 if (card->info.portname_required)
7810 qeth_print_status_with_portname(card);
7812 qeth_print_status_no_portname(card);
7816 qeth_register_netdev(struct qeth_card *card)
7818 QETH_DBF_TEXT(setup, 3, "regnetd");
7819 if (card->dev->reg_state != NETREG_UNINITIALIZED)
7822 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
7823 return register_netdev(card->dev);
7827 qeth_start_again(struct qeth_card *card, int recovery_mode)
7829 QETH_DBF_TEXT(setup ,2, "startag");
7831 if (recovery_mode &&
7832 card->info.type != QETH_CARD_TYPE_OSN) {
7833 qeth_open(card->dev);
7836 dev_open(card->dev);
7839 /* this also sets saved unicast addresses */
7840 qeth_set_multicast_list(card->dev);
7844 /* Layer 2 specific stuff */
7845 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7846 if (card->options.option == value) { \
7847 PRINT_ERR("%s not supported with layer 2 " \
7848 "functionality, ignoring option on read" \
7849 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7850 card->options.option = reset_value; \
7852 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7853 if (card->options.option != value) { \
7854 PRINT_ERR("%s not supported with layer 2 " \
7855 "functionality, ignoring option on read" \
7856 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7857 card->options.option = reset_value; \
7861 static void qeth_make_parameters_consistent(struct qeth_card *card)
7864 if (card->options.layer2 == 0)
7866 if (card->info.type == QETH_CARD_TYPE_OSN)
7868 if (card->info.type == QETH_CARD_TYPE_IQD) {
7869 PRINT_ERR("Device %s does not support layer 2 functionality." \
7870 " Ignoring layer2 option.\n",CARD_BUS_ID(card));
7871 card->options.layer2 = 0;
7874 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
7875 "Routing options are");
7876 #ifdef CONFIG_QETH_IPV6
7877 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
7878 "Routing options are");
7880 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
7881 QETH_CHECKSUM_DEFAULT,
7882 "Checksumming options are");
7883 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
7884 QETH_TR_BROADCAST_ALLRINGS,
7885 "Broadcast mode options are");
7886 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
7887 QETH_TR_MACADDR_NONCANONICAL,
7888 "Canonical MAC addr options are");
7889 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
7890 "Broadcast faking options are");
7891 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
7892 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
7893 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
7898 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
7900 struct qeth_card *card = gdev->dev.driver_data;
7902 enum qeth_card_states recover_flag;
7905 QETH_DBF_TEXT(setup ,2, "setonlin");
7906 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7908 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
7909 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
7910 PRINT_WARN("set_online of card %s interrupted by user!\n",
7912 return -ERESTARTSYS;
7915 recover_flag = card->state;
7916 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
7917 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
7918 (rc = ccw_device_set_online(CARD_DDEV(card)))){
7919 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7923 qeth_make_parameters_consistent(card);
7925 if ((rc = qeth_hardsetup_card(card))){
7926 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7929 card->state = CARD_STATE_HARDSETUP;
7931 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
7932 rc = qeth_get_unique_id(card);
7934 if (rc && card->options.layer2 == 0) {
7935 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7938 qeth_print_status_message(card);
7939 if ((rc = qeth_register_netdev(card))){
7940 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7943 if ((rc = qeth_softsetup_card(card))){
7944 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7948 if ((rc = qeth_init_qdio_queues(card))){
7949 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
7952 card->state = CARD_STATE_SOFTSETUP;
7953 netif_carrier_on(card->dev);
7955 qeth_set_allowed_threads(card, 0xffffffff, 0);
7956 if (recover_flag == CARD_STATE_RECOVER)
7957 qeth_start_again(card, recovery_mode);
7958 qeth_notify_processes();
7961 card->use_hard_stop = 1;
7962 qeth_stop_card(card, 0);
7963 ccw_device_set_offline(CARD_DDEV(card));
7964 ccw_device_set_offline(CARD_WDEV(card));
7965 ccw_device_set_offline(CARD_RDEV(card));
7966 if (recover_flag == CARD_STATE_RECOVER)
7967 card->state = CARD_STATE_RECOVER;
7969 card->state = CARD_STATE_DOWN;
7974 qeth_set_online(struct ccwgroup_device *gdev)
7976 return __qeth_set_online(gdev, 0);
7979 static struct ccw_device_id qeth_ids[] = {
7980 {CCW_DEVICE(0x1731, 0x01), .driver_info = QETH_CARD_TYPE_OSAE},
7981 {CCW_DEVICE(0x1731, 0x05), .driver_info = QETH_CARD_TYPE_IQD},
7982 {CCW_DEVICE(0x1731, 0x06), .driver_info = QETH_CARD_TYPE_OSN},
7985 MODULE_DEVICE_TABLE(ccw, qeth_ids);
7987 struct device *qeth_root_dev = NULL;
7989 struct ccwgroup_driver qeth_ccwgroup_driver = {
7990 .owner = THIS_MODULE,
7992 .driver_id = 0xD8C5E3C8,
7993 .probe = qeth_probe_device,
7994 .remove = qeth_remove_device,
7995 .set_online = qeth_set_online,
7996 .set_offline = qeth_set_offline,
7999 struct ccw_driver qeth_ccw_driver = {
8002 .probe = ccwgroup_probe_ccwdev,
8003 .remove = ccwgroup_remove_ccwdev,
8008 qeth_unregister_dbf_views(void)
8011 debug_unregister(qeth_dbf_setup);
8013 debug_unregister(qeth_dbf_qerr);
8015 debug_unregister(qeth_dbf_sense);
8017 debug_unregister(qeth_dbf_misc);
8019 debug_unregister(qeth_dbf_data);
8020 if (qeth_dbf_control)
8021 debug_unregister(qeth_dbf_control);
8023 debug_unregister(qeth_dbf_trace);
8026 qeth_register_dbf_views(void)
8028 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
8029 QETH_DBF_SETUP_PAGES,
8030 QETH_DBF_SETUP_NR_AREAS,
8031 QETH_DBF_SETUP_LEN);
8032 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
8033 QETH_DBF_MISC_PAGES,
8034 QETH_DBF_MISC_NR_AREAS,
8036 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
8037 QETH_DBF_DATA_PAGES,
8038 QETH_DBF_DATA_NR_AREAS,
8040 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
8041 QETH_DBF_CONTROL_PAGES,
8042 QETH_DBF_CONTROL_NR_AREAS,
8043 QETH_DBF_CONTROL_LEN);
8044 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
8045 QETH_DBF_SENSE_PAGES,
8046 QETH_DBF_SENSE_NR_AREAS,
8047 QETH_DBF_SENSE_LEN);
8048 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
8049 QETH_DBF_QERR_PAGES,
8050 QETH_DBF_QERR_NR_AREAS,
8052 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
8053 QETH_DBF_TRACE_PAGES,
8054 QETH_DBF_TRACE_NR_AREAS,
8055 QETH_DBF_TRACE_LEN);
8057 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
8058 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
8059 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
8060 (qeth_dbf_trace == NULL)) {
8061 qeth_unregister_dbf_views();
8064 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
8065 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
8067 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
8068 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
8070 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
8071 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
8073 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
8074 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8076 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8077 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8079 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8080 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8082 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8083 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8088 #ifdef CONFIG_QETH_IPV6
8089 extern struct neigh_table arp_tbl;
8090 static struct neigh_ops *arp_direct_ops;
8091 static int (*qeth_old_arp_constructor) (struct neighbour *);
8093 static struct neigh_ops arp_direct_ops_template = {
8096 .error_report = NULL,
8097 .output = dev_queue_xmit,
8098 .connected_output = dev_queue_xmit,
8099 .hh_output = dev_queue_xmit,
8100 .queue_xmit = dev_queue_xmit
8104 qeth_arp_constructor(struct neighbour *neigh)
8106 struct net_device *dev = neigh->dev;
8107 struct in_device *in_dev;
8108 struct neigh_parms *parms;
8109 struct qeth_card *card;
8111 card = qeth_get_card_from_dev(dev);
8114 if((card->options.layer2) ||
8115 (card->dev->hard_header == qeth_fake_header))
8119 in_dev = __in_dev_get_rcu(dev);
8120 if (in_dev == NULL) {
8125 parms = in_dev->arp_parms;
8126 __neigh_parms_put(neigh->parms);
8127 neigh->parms = neigh_parms_clone(parms);
8130 neigh->type = inet_addr_type(*(__be32 *) neigh->primary_key);
8131 neigh->nud_state = NUD_NOARP;
8132 neigh->ops = arp_direct_ops;
8133 neigh->output = neigh->ops->queue_xmit;
8136 return qeth_old_arp_constructor(neigh);
8138 #endif /*CONFIG_QETH_IPV6*/
8141 * IP address takeover related functions
8144 qeth_clear_ipato_list(struct qeth_card *card)
8146 struct qeth_ipato_entry *ipatoe, *tmp;
8147 unsigned long flags;
8149 spin_lock_irqsave(&card->ip_lock, flags);
8150 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8151 list_del(&ipatoe->entry);
8154 spin_unlock_irqrestore(&card->ip_lock, flags);
8158 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8160 struct qeth_ipato_entry *ipatoe;
8161 unsigned long flags;
8164 QETH_DBF_TEXT(trace, 2, "addipato");
8165 spin_lock_irqsave(&card->ip_lock, flags);
8166 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8167 if (ipatoe->proto != new->proto)
8169 if (!memcmp(ipatoe->addr, new->addr,
8170 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8171 (ipatoe->mask_bits == new->mask_bits)){
8172 PRINT_WARN("ipato entry already exists!\n");
8178 list_add_tail(&new->entry, &card->ipato.entries);
8180 spin_unlock_irqrestore(&card->ip_lock, flags);
8185 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8186 u8 *addr, int mask_bits)
8188 struct qeth_ipato_entry *ipatoe, *tmp;
8189 unsigned long flags;
8191 QETH_DBF_TEXT(trace, 2, "delipato");
8192 spin_lock_irqsave(&card->ip_lock, flags);
8193 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8194 if (ipatoe->proto != proto)
8196 if (!memcmp(ipatoe->addr, addr,
8197 (proto == QETH_PROT_IPV4)? 4:16) &&
8198 (ipatoe->mask_bits == mask_bits)){
8199 list_del(&ipatoe->entry);
8203 spin_unlock_irqrestore(&card->ip_lock, flags);
8207 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8212 for (i = 0; i < len; ++i){
8214 for (j = 7; j >= 0; --j){
8215 bits[i*8 + j] = octet & 1;
8222 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8224 struct qeth_ipato_entry *ipatoe;
8225 u8 addr_bits[128] = {0, };
8226 u8 ipatoe_bits[128] = {0, };
8229 if (!card->ipato.enabled)
8232 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8233 (addr->proto == QETH_PROT_IPV4)? 4:16);
8234 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8235 if (addr->proto != ipatoe->proto)
8237 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8238 (ipatoe->proto==QETH_PROT_IPV4) ?
8240 if (addr->proto == QETH_PROT_IPV4)
8241 rc = !memcmp(addr_bits, ipatoe_bits,
8242 min(32, ipatoe->mask_bits));
8244 rc = !memcmp(addr_bits, ipatoe_bits,
8245 min(128, ipatoe->mask_bits));
8250 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8252 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8259 * VIPA related functions
8262 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8265 struct qeth_ipaddr *ipaddr;
8266 unsigned long flags;
8269 ipaddr = qeth_get_addr_buffer(proto);
8271 if (proto == QETH_PROT_IPV4){
8272 QETH_DBF_TEXT(trace, 2, "addvipa4");
8273 memcpy(&ipaddr->u.a4.addr, addr, 4);
8274 ipaddr->u.a4.mask = 0;
8275 #ifdef CONFIG_QETH_IPV6
8276 } else if (proto == QETH_PROT_IPV6){
8277 QETH_DBF_TEXT(trace, 2, "addvipa6");
8278 memcpy(&ipaddr->u.a6.addr, addr, 16);
8279 ipaddr->u.a6.pfxlen = 0;
8282 ipaddr->type = QETH_IP_TYPE_VIPA;
8283 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8284 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8287 spin_lock_irqsave(&card->ip_lock, flags);
8288 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8289 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8291 spin_unlock_irqrestore(&card->ip_lock, flags);
8293 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8296 if (!qeth_add_ip(card, ipaddr))
8298 qeth_set_ip_addr_list(card);
8303 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8306 struct qeth_ipaddr *ipaddr;
8308 ipaddr = qeth_get_addr_buffer(proto);
8310 if (proto == QETH_PROT_IPV4){
8311 QETH_DBF_TEXT(trace, 2, "delvipa4");
8312 memcpy(&ipaddr->u.a4.addr, addr, 4);
8313 ipaddr->u.a4.mask = 0;
8314 #ifdef CONFIG_QETH_IPV6
8315 } else if (proto == QETH_PROT_IPV6){
8316 QETH_DBF_TEXT(trace, 2, "delvipa6");
8317 memcpy(&ipaddr->u.a6.addr, addr, 16);
8318 ipaddr->u.a6.pfxlen = 0;
8321 ipaddr->type = QETH_IP_TYPE_VIPA;
8324 if (!qeth_delete_ip(card, ipaddr))
8326 qeth_set_ip_addr_list(card);
8330 * proxy ARP related functions
8333 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8336 struct qeth_ipaddr *ipaddr;
8337 unsigned long flags;
8340 ipaddr = qeth_get_addr_buffer(proto);
8342 if (proto == QETH_PROT_IPV4){
8343 QETH_DBF_TEXT(trace, 2, "addrxip4");
8344 memcpy(&ipaddr->u.a4.addr, addr, 4);
8345 ipaddr->u.a4.mask = 0;
8346 #ifdef CONFIG_QETH_IPV6
8347 } else if (proto == QETH_PROT_IPV6){
8348 QETH_DBF_TEXT(trace, 2, "addrxip6");
8349 memcpy(&ipaddr->u.a6.addr, addr, 16);
8350 ipaddr->u.a6.pfxlen = 0;
8353 ipaddr->type = QETH_IP_TYPE_RXIP;
8354 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8355 ipaddr->del_flags = 0;
8358 spin_lock_irqsave(&card->ip_lock, flags);
8359 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8360 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8362 spin_unlock_irqrestore(&card->ip_lock, flags);
8364 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8367 if (!qeth_add_ip(card, ipaddr))
8369 qeth_set_ip_addr_list(card);
8374 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8377 struct qeth_ipaddr *ipaddr;
8379 ipaddr = qeth_get_addr_buffer(proto);
8381 if (proto == QETH_PROT_IPV4){
8382 QETH_DBF_TEXT(trace, 2, "addrxip4");
8383 memcpy(&ipaddr->u.a4.addr, addr, 4);
8384 ipaddr->u.a4.mask = 0;
8385 #ifdef CONFIG_QETH_IPV6
8386 } else if (proto == QETH_PROT_IPV6){
8387 QETH_DBF_TEXT(trace, 2, "addrxip6");
8388 memcpy(&ipaddr->u.a6.addr, addr, 16);
8389 ipaddr->u.a6.pfxlen = 0;
8392 ipaddr->type = QETH_IP_TYPE_RXIP;
8395 if (!qeth_delete_ip(card, ipaddr))
8397 qeth_set_ip_addr_list(card);
8404 qeth_ip_event(struct notifier_block *this,
8405 unsigned long event,void *ptr)
8407 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8408 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8409 struct qeth_ipaddr *addr;
8410 struct qeth_card *card;
8412 QETH_DBF_TEXT(trace,3,"ipevent");
8413 card = qeth_get_card_from_dev(dev);
8416 if (card->options.layer2)
8419 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8421 addr->u.a4.addr = ifa->ifa_address;
8422 addr->u.a4.mask = ifa->ifa_mask;
8423 addr->type = QETH_IP_TYPE_NORMAL;
8429 if (!qeth_add_ip(card, addr))
8433 if (!qeth_delete_ip(card, addr))
8439 qeth_set_ip_addr_list(card);
8444 static struct notifier_block qeth_ip_notifier = {
8449 #ifdef CONFIG_QETH_IPV6
8451 * IPv6 event handler
8454 qeth_ip6_event(struct notifier_block *this,
8455 unsigned long event,void *ptr)
8458 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8459 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8460 struct qeth_ipaddr *addr;
8461 struct qeth_card *card;
8463 QETH_DBF_TEXT(trace,3,"ip6event");
8465 card = qeth_get_card_from_dev(dev);
8468 if (!qeth_is_supported(card, IPA_IPV6))
8471 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8473 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8474 addr->u.a6.pfxlen = ifa->prefix_len;
8475 addr->type = QETH_IP_TYPE_NORMAL;
8481 if (!qeth_add_ip(card, addr))
8485 if (!qeth_delete_ip(card, addr))
8491 qeth_set_ip_addr_list(card);
8496 static struct notifier_block qeth_ip6_notifier = {
8503 __qeth_reboot_event_card(struct device *dev, void *data)
8505 struct qeth_card *card;
8507 card = (struct qeth_card *) dev->driver_data;
8508 qeth_clear_ip_list(card, 0, 0);
8509 qeth_qdio_clear_card(card, 0);
8510 qeth_clear_qdio_buffers(card);
8515 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8519 ret = driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8520 __qeth_reboot_event_card);
8521 return ret ? NOTIFY_BAD : NOTIFY_DONE;
8525 static struct notifier_block qeth_reboot_notifier = {
8531 qeth_register_notifiers(void)
8535 QETH_DBF_TEXT(trace,5,"regnotif");
8536 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8538 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8540 #ifdef CONFIG_QETH_IPV6
8541 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8546 #ifdef CONFIG_QETH_IPV6
8548 unregister_inetaddr_notifier(&qeth_ip_notifier);
8551 unregister_reboot_notifier(&qeth_reboot_notifier);
8556 * unregister all event notifiers
8559 qeth_unregister_notifiers(void)
8562 QETH_DBF_TEXT(trace,5,"unregnot");
8563 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8564 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8565 #ifdef CONFIG_QETH_IPV6
8566 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8567 #endif /* QETH_IPV6 */
8571 #ifdef CONFIG_QETH_IPV6
8573 qeth_ipv6_init(void)
8575 qeth_old_arp_constructor = arp_tbl.constructor;
8576 write_lock_bh(&arp_tbl.lock);
8577 arp_tbl.constructor = qeth_arp_constructor;
8578 write_unlock_bh(&arp_tbl.lock);
8580 arp_direct_ops = (struct neigh_ops*)
8581 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8582 if (!arp_direct_ops)
8585 memcpy(arp_direct_ops, &arp_direct_ops_template,
8586 sizeof(struct neigh_ops));
8592 qeth_ipv6_uninit(void)
8594 write_lock_bh(&arp_tbl.lock);
8595 arp_tbl.constructor = qeth_old_arp_constructor;
8596 write_unlock_bh(&arp_tbl.lock);
8597 kfree(arp_direct_ops);
8599 #endif /* CONFIG_QETH_IPV6 */
8602 qeth_sysfs_unregister(void)
8604 s390_root_dev_unregister(qeth_root_dev);
8605 qeth_remove_driver_attributes();
8606 ccw_driver_unregister(&qeth_ccw_driver);
8607 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8611 * register qeth at sysfs
8614 qeth_sysfs_register(void)
8618 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8622 rc = ccw_driver_register(&qeth_ccw_driver);
8624 goto out_ccw_driver;
8626 rc = qeth_create_driver_attributes();
8630 qeth_root_dev = s390_root_dev_register("qeth");
8631 rc = IS_ERR(qeth_root_dev) ? PTR_ERR(qeth_root_dev) : 0;
8635 qeth_remove_driver_attributes();
8637 ccw_driver_unregister(&qeth_ccw_driver);
8639 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8652 PRINT_INFO("loading %s\n", version);
8654 INIT_LIST_HEAD(&qeth_card_list.list);
8655 INIT_LIST_HEAD(&qeth_notify_list);
8656 spin_lock_init(&qeth_notify_lock);
8657 rwlock_init(&qeth_card_list.rwlock);
8659 rc = qeth_register_dbf_views();
8663 rc = qeth_sysfs_register();
8667 #ifdef CONFIG_QETH_IPV6
8668 rc = qeth_ipv6_init();
8670 PRINT_ERR("Out of memory during ipv6 init code = %d\n", rc);
8673 #endif /* QETH_IPV6 */
8674 rc = qeth_register_notifiers();
8677 rc = qeth_create_procfs_entries();
8684 qeth_unregister_notifiers();
8686 #ifdef CONFIG_QETH_IPV6
8689 #endif /* QETH_IPV6 */
8690 qeth_sysfs_unregister();
8692 qeth_unregister_dbf_views();
8694 PRINT_ERR("Initialization failed with code %d\n", rc);
8699 __exit qeth_exit(void)
8701 struct qeth_card *card, *tmp;
8702 unsigned long flags;
8704 QETH_DBF_TEXT(trace,1, "cleanup.");
8707 * Weed would not need to clean up our devices here, because the
8708 * common device layer calls qeth_remove_device for each device
8709 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8710 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8711 * qeth_remove_device called by the common device layer would otherwise
8712 * do a "hard" shutdown (card->use_hard_stop is set to one in
8713 * qeth_remove_device).
8716 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8717 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8718 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8719 qeth_set_offline(card->gdev);
8720 qeth_remove_device(card->gdev);
8723 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8724 #ifdef CONFIG_QETH_IPV6
8727 qeth_unregister_notifiers();
8728 qeth_remove_procfs_entries();
8729 qeth_sysfs_unregister();
8730 qeth_unregister_dbf_views();
8731 printk("qeth: removed\n");
8734 EXPORT_SYMBOL(qeth_osn_register);
8735 EXPORT_SYMBOL(qeth_osn_deregister);
8736 EXPORT_SYMBOL(qeth_osn_assist);
8737 module_init(qeth_init);
8738 module_exit(qeth_exit);
8739 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8740 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8741 "Copyright 2000,2003 IBM Corporation\n");
8743 MODULE_LICENSE("GPL");