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_threads_running(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 wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
581 if (cgdev->state == CCWGROUP_ONLINE){
582 card->use_hard_stop = 1;
583 qeth_set_offline(cgdev);
585 /* remove form our internal list */
586 write_lock_irqsave(&qeth_card_list.rwlock, flags);
587 list_del(&card->list);
588 write_unlock_irqrestore(&qeth_card_list.rwlock, flags);
590 unregister_netdev(card->dev);
591 qeth_remove_device_attributes(&cgdev->dev);
592 qeth_free_card(card);
593 cgdev->dev.driver_data = NULL;
594 put_device(&cgdev->dev);
598 qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
600 qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *);
603 * Add/remove address to/from card's ip list, i.e. try to add or remove
604 * reference to/from an IP address that is already registered on the card.
606 * 0 address was on card and its reference count has been adjusted,
607 * but is still > 0, so nothing has to be done
608 * also returns 0 if card was not on card and the todo was to delete
609 * the address -> there is also nothing to be done
610 * 1 address was not on card and the todo is to add it to the card's ip
612 * -1 address was on card and its reference count has been decremented
613 * to <= 0 by the todo -> address must be removed from card
616 __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
617 struct qeth_ipaddr **__addr)
619 struct qeth_ipaddr *addr;
622 list_for_each_entry(addr, &card->ip_list, entry) {
623 if (card->options.layer2) {
624 if ((addr->type == todo->type) &&
625 (memcmp(&addr->mac, &todo->mac,
626 OSA_ADDR_LEN) == 0)) {
632 if ((addr->proto == QETH_PROT_IPV4) &&
633 (todo->proto == QETH_PROT_IPV4) &&
634 (addr->type == todo->type) &&
635 (addr->u.a4.addr == todo->u.a4.addr) &&
636 (addr->u.a4.mask == todo->u.a4.mask)) {
640 if ((addr->proto == QETH_PROT_IPV6) &&
641 (todo->proto == QETH_PROT_IPV6) &&
642 (addr->type == todo->type) &&
643 (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
644 (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
645 sizeof(struct in6_addr)) == 0)) {
651 addr->users += todo->users;
652 if (addr->users <= 0){
656 /* for VIPA and RXIP limit refcount to 1 */
657 if (addr->type != QETH_IP_TYPE_NORMAL)
662 if (todo->users > 0) {
663 /* for VIPA and RXIP limit refcount to 1 */
664 if (todo->type != QETH_IP_TYPE_NORMAL)
672 __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
675 struct qeth_ipaddr *tmp;
677 list_for_each_entry(tmp, list, entry) {
678 if ((tmp->proto == QETH_PROT_IPV4) &&
679 (addr->proto == QETH_PROT_IPV4) &&
680 ((same_type && (tmp->type == addr->type)) ||
681 (!same_type && (tmp->type != addr->type)) ) &&
682 (tmp->u.a4.addr == addr->u.a4.addr) ){
685 if ((tmp->proto == QETH_PROT_IPV6) &&
686 (addr->proto == QETH_PROT_IPV6) &&
687 ((same_type && (tmp->type == addr->type)) ||
688 (!same_type && (tmp->type != addr->type)) ) &&
689 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
690 sizeof(struct in6_addr)) == 0) ) {
698 * Add IP to be added to todo list. If there is already an "add todo"
699 * in this list we just incremenent the reference count.
700 * Returns 0 if we just incremented reference count.
703 __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
705 struct qeth_ipaddr *tmp, *t;
708 list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
709 if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
710 (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
712 if (card->options.layer2) {
713 if ((tmp->type == addr->type) &&
714 (tmp->is_multicast == addr->is_multicast) &&
715 (memcmp(&tmp->mac, &addr->mac,
716 OSA_ADDR_LEN) == 0)) {
722 if ((tmp->proto == QETH_PROT_IPV4) &&
723 (addr->proto == QETH_PROT_IPV4) &&
724 (tmp->type == addr->type) &&
725 (tmp->is_multicast == addr->is_multicast) &&
726 (tmp->u.a4.addr == addr->u.a4.addr) &&
727 (tmp->u.a4.mask == addr->u.a4.mask)) {
731 if ((tmp->proto == QETH_PROT_IPV6) &&
732 (addr->proto == QETH_PROT_IPV6) &&
733 (tmp->type == addr->type) &&
734 (tmp->is_multicast == addr->is_multicast) &&
735 (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
736 (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
737 sizeof(struct in6_addr)) == 0)) {
743 if (addr->users != 0)
744 tmp->users += addr->users;
746 tmp->users += add? 1:-1;
747 if (tmp->users == 0) {
748 list_del(&tmp->entry);
753 if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
754 list_add(&addr->entry, card->ip_tbd_list);
756 if (addr->users == 0)
757 addr->users += add? 1:-1;
758 if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
759 qeth_is_addr_covered_by_ipato(card, addr)){
760 QETH_DBF_TEXT(trace, 2, "tkovaddr");
761 addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
763 list_add_tail(&addr->entry, card->ip_tbd_list);
770 * Remove IP address from list
773 qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
778 QETH_DBF_TEXT(trace, 4, "delip");
780 if (card->options.layer2)
781 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
782 else if (addr->proto == QETH_PROT_IPV4)
783 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
785 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
786 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
788 spin_lock_irqsave(&card->ip_lock, flags);
789 rc = __qeth_insert_ip_todo(card, addr, 0);
790 spin_unlock_irqrestore(&card->ip_lock, flags);
795 qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
800 QETH_DBF_TEXT(trace, 4, "addip");
801 if (card->options.layer2)
802 QETH_DBF_HEX(trace, 4, &addr->mac, 6);
803 else if (addr->proto == QETH_PROT_IPV4)
804 QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4);
806 QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8);
807 QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8);
809 spin_lock_irqsave(&card->ip_lock, flags);
810 rc = __qeth_insert_ip_todo(card, addr, 1);
811 spin_unlock_irqrestore(&card->ip_lock, flags);
816 __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
818 struct qeth_ipaddr *addr, *tmp;
821 list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
822 if (addr->is_multicast) {
823 spin_unlock_irqrestore(&card->ip_lock, *flags);
824 rc = qeth_deregister_addr_entry(card, addr);
825 spin_lock_irqsave(&card->ip_lock, *flags);
827 list_del(&addr->entry);
836 qeth_set_ip_addr_list(struct qeth_card *card)
838 struct list_head *tbd_list;
839 struct qeth_ipaddr *todo, *addr;
843 QETH_DBF_TEXT(trace, 2, "sdiplist");
844 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
846 spin_lock_irqsave(&card->ip_lock, flags);
847 tbd_list = card->ip_tbd_list;
848 card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC);
849 if (!card->ip_tbd_list) {
850 QETH_DBF_TEXT(trace, 0, "silnomem");
851 card->ip_tbd_list = tbd_list;
852 spin_unlock_irqrestore(&card->ip_lock, flags);
855 INIT_LIST_HEAD(card->ip_tbd_list);
857 while (!list_empty(tbd_list)){
858 todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
859 list_del(&todo->entry);
860 if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){
861 __qeth_delete_all_mc(card, &flags);
865 rc = __qeth_ref_ip_on_card(card, todo, &addr);
867 /* nothing to be done; only adjusted refcount */
869 } else if (rc == 1) {
870 /* new entry to be added to on-card list */
871 spin_unlock_irqrestore(&card->ip_lock, flags);
872 rc = qeth_register_addr_entry(card, todo);
873 spin_lock_irqsave(&card->ip_lock, flags);
875 list_add_tail(&todo->entry, &card->ip_list);
878 } else if (rc == -1) {
879 /* on-card entry to be removed */
880 list_del_init(&addr->entry);
881 spin_unlock_irqrestore(&card->ip_lock, flags);
882 rc = qeth_deregister_addr_entry(card, addr);
883 spin_lock_irqsave(&card->ip_lock, flags);
887 list_add_tail(&addr->entry, &card->ip_list);
891 spin_unlock_irqrestore(&card->ip_lock, flags);
895 static void qeth_delete_mc_addresses(struct qeth_card *);
896 static void qeth_add_multicast_ipv4(struct qeth_card *);
897 static void qeth_layer2_add_multicast(struct qeth_card *);
898 #ifdef CONFIG_QETH_IPV6
899 static void qeth_add_multicast_ipv6(struct qeth_card *);
903 qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
907 spin_lock_irqsave(&card->thread_mask_lock, flags);
908 if ( !(card->thread_allowed_mask & thread) ||
909 (card->thread_start_mask & thread) ) {
910 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
913 card->thread_start_mask |= thread;
914 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
919 qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
923 spin_lock_irqsave(&card->thread_mask_lock, flags);
924 card->thread_start_mask &= ~thread;
925 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
926 wake_up(&card->wait_q);
930 qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
934 spin_lock_irqsave(&card->thread_mask_lock, flags);
935 card->thread_running_mask &= ~thread;
936 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
937 wake_up(&card->wait_q);
941 __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
946 spin_lock_irqsave(&card->thread_mask_lock, flags);
947 if (card->thread_start_mask & thread){
948 if ((card->thread_allowed_mask & thread) &&
949 !(card->thread_running_mask & thread)){
951 card->thread_start_mask &= ~thread;
952 card->thread_running_mask |= thread;
956 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
961 qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
965 wait_event(card->wait_q,
966 (rc = __qeth_do_run_thread(card, thread)) >= 0);
971 qeth_recover(void *ptr)
973 struct qeth_card *card;
976 card = (struct qeth_card *) ptr;
977 daemonize("qeth_recover");
978 QETH_DBF_TEXT(trace,2,"recover1");
979 QETH_DBF_HEX(trace, 2, &card, sizeof(void *));
980 if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
982 QETH_DBF_TEXT(trace,2,"recover2");
983 PRINT_WARN("Recovery of device %s started ...\n",
985 card->use_hard_stop = 1;
986 __qeth_set_offline(card->gdev,1);
987 rc = __qeth_set_online(card->gdev,1);
988 /* don't run another scheduled recovery */
989 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
990 qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
992 PRINT_INFO("Device %s successfully recovered!\n",
995 PRINT_INFO("Device %s could not be recovered!\n",
1001 qeth_schedule_recovery(struct qeth_card *card)
1003 QETH_DBF_TEXT(trace,2,"startrec");
1004 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
1005 schedule_work(&card->kernel_thread_starter);
1009 qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1011 unsigned long flags;
1014 spin_lock_irqsave(&card->thread_mask_lock, flags);
1015 QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x",
1016 (u8) card->thread_start_mask,
1017 (u8) card->thread_allowed_mask,
1018 (u8) card->thread_running_mask);
1019 rc = (card->thread_start_mask & thread);
1020 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1025 qeth_start_kernel_thread(struct work_struct *work)
1027 struct qeth_card *card = container_of(work, struct qeth_card, kernel_thread_starter);
1028 QETH_DBF_TEXT(trace , 2, "strthrd");
1030 if (card->read.state != CH_STATE_UP &&
1031 card->write.state != CH_STATE_UP)
1033 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
1034 kernel_thread(qeth_recover, (void *) card, SIGCHLD);
1039 qeth_set_intial_options(struct qeth_card *card)
1041 card->options.route4.type = NO_ROUTER;
1042 #ifdef CONFIG_QETH_IPV6
1043 card->options.route6.type = NO_ROUTER;
1044 #endif /* QETH_IPV6 */
1045 card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
1046 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1047 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1048 card->options.fake_broadcast = 0;
1049 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1050 card->options.fake_ll = 0;
1051 if (card->info.type == QETH_CARD_TYPE_OSN)
1052 card->options.layer2 = 1;
1054 card->options.layer2 = 0;
1055 card->options.performance_stats = 0;
1056 card->options.rx_sg_cb = QETH_RX_SG_CB;
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 if (QETH_IDX_ACT_CAUSE_CODE(iob->data) == 0x19)
1545 PRINT_ERR("IDX_ACTIVATE on write channel device %s: "
1546 "adapter exclusively used by another host\n",
1547 CARD_WDEV_ID(card));
1549 PRINT_ERR("IDX_ACTIVATE on write channel device %s: "
1550 "negative reply\n", CARD_WDEV_ID(card));
1553 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1554 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1555 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1556 "function level mismatch "
1557 "(sent: 0x%x, received: 0x%x)\n",
1558 CARD_WDEV_ID(card), card->info.func_level, temp);
1561 channel->state = CH_STATE_UP;
1563 qeth_release_buffer(channel, iob);
1567 qeth_check_idx_response(unsigned char *buffer)
1572 QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN);
1573 if ((buffer[2] & 0xc0) == 0xc0) {
1574 PRINT_WARN("received an IDX TERMINATE "
1575 "with cause code 0x%02x%s\n",
1577 ((buffer[4] == 0x22) ?
1578 " -- try another portname" : ""));
1579 QETH_DBF_TEXT(trace, 2, "ckidxres");
1580 QETH_DBF_TEXT(trace, 2, " idxterm");
1581 QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO);
1588 qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob)
1590 struct qeth_card *card;
1593 QETH_DBF_TEXT(setup , 2, "idxrdcb");
1594 if (channel->state == CH_STATE_DOWN) {
1595 channel->state = CH_STATE_ACTIVATING;
1599 card = CARD_FROM_CDEV(channel->ccwdev);
1600 if (qeth_check_idx_response(iob->data)) {
1603 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1604 if (QETH_IDX_ACT_CAUSE_CODE(iob->data) == 0x19)
1605 PRINT_ERR("IDX_ACTIVATE on read channel device %s: "
1606 "adapter exclusively used by another host\n",
1607 CARD_RDEV_ID(card));
1609 PRINT_ERR("IDX_ACTIVATE on read channel device %s: "
1610 "negative reply\n", CARD_RDEV_ID(card));
1615 * temporary fix for microcode bug
1616 * to revert it,replace OR by AND
1618 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1619 (card->info.type == QETH_CARD_TYPE_OSAE) )
1620 card->info.portname_required = 1;
1622 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1623 if (temp != qeth_peer_func_level(card->info.func_level)) {
1624 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1625 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1626 CARD_RDEV_ID(card), card->info.func_level, temp);
1629 memcpy(&card->token.issuer_rm_r,
1630 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1631 QETH_MPC_TOKEN_LENGTH);
1632 memcpy(&card->info.mcl_level[0],
1633 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1634 channel->state = CH_STATE_UP;
1636 qeth_release_buffer(channel,iob);
1640 qeth_issue_next_read(struct qeth_card *card)
1643 struct qeth_cmd_buffer *iob;
1645 QETH_DBF_TEXT(trace,5,"issnxrd");
1646 if (card->read.state != CH_STATE_UP)
1648 iob = qeth_get_buffer(&card->read);
1650 PRINT_WARN("issue_next_read failed: no iob available!\n");
1653 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
1654 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1655 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
1656 (addr_t) iob, 0, 0);
1658 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc);
1659 atomic_set(&card->read.irq_pending, 0);
1660 qeth_schedule_recovery(card);
1661 wake_up(&card->wait_q);
1666 static struct qeth_reply *
1667 qeth_alloc_reply(struct qeth_card *card)
1669 struct qeth_reply *reply;
1671 reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
1673 atomic_set(&reply->refcnt, 1);
1674 atomic_set(&reply->received, 0);
1681 qeth_get_reply(struct qeth_reply *reply)
1683 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1684 atomic_inc(&reply->refcnt);
1688 qeth_put_reply(struct qeth_reply *reply)
1690 WARN_ON(atomic_read(&reply->refcnt) <= 0);
1691 if (atomic_dec_and_test(&reply->refcnt))
1696 qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, struct qeth_card *card)
1702 com = cmd->hdr.command;
1703 rc = cmd->hdr.return_code;
1704 ipa_name = qeth_get_ipa_cmd_name(com);
1706 PRINT_ERR("%s(x%X) for %s returned x%X \"%s\"\n", ipa_name, com,
1707 QETH_CARD_IFNAME(card), rc, qeth_get_ipa_msg(rc));
1710 static struct qeth_ipa_cmd *
1711 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
1713 struct qeth_ipa_cmd *cmd = NULL;
1715 QETH_DBF_TEXT(trace,5,"chkipad");
1716 if (IS_IPA(iob->data)){
1717 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
1718 if (IS_IPA_REPLY(cmd)) {
1719 if (cmd->hdr.return_code)
1720 qeth_issue_ipa_msg(cmd, card);
1724 switch (cmd->hdr.command) {
1725 case IPA_CMD_STOPLAN:
1726 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1727 "there is a network problem or "
1728 "someone pulled the cable or "
1729 "disabled the port.\n",
1730 QETH_CARD_IFNAME(card),
1732 card->lan_online = 0;
1733 if (card->dev && netif_carrier_ok(card->dev))
1734 netif_carrier_off(card->dev);
1736 case IPA_CMD_STARTLAN:
1737 PRINT_INFO("Link reestablished on %s "
1738 "(CHPID 0x%X). Scheduling "
1739 "IP address reset.\n",
1740 QETH_CARD_IFNAME(card),
1742 netif_carrier_on(card->dev);
1743 qeth_schedule_recovery(card);
1745 case IPA_CMD_MODCCID:
1747 case IPA_CMD_REGISTER_LOCAL_ADDR:
1748 QETH_DBF_TEXT(trace,3, "irla");
1750 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
1751 QETH_DBF_TEXT(trace,3, "urla");
1754 PRINT_WARN("Received data is IPA "
1755 "but not a reply!\n");
1764 * wake all waiting ipa commands
1767 qeth_clear_ipacmd_list(struct qeth_card *card)
1769 struct qeth_reply *reply, *r;
1770 unsigned long flags;
1772 QETH_DBF_TEXT(trace, 4, "clipalst");
1774 spin_lock_irqsave(&card->lock, flags);
1775 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1776 qeth_get_reply(reply);
1778 atomic_inc(&reply->received);
1779 list_del_init(&reply->list);
1780 wake_up(&reply->wait_q);
1781 qeth_put_reply(reply);
1783 spin_unlock_irqrestore(&card->lock, flags);
1787 qeth_send_control_data_cb(struct qeth_channel *channel,
1788 struct qeth_cmd_buffer *iob)
1790 struct qeth_card *card;
1791 struct qeth_reply *reply, *r;
1792 struct qeth_ipa_cmd *cmd;
1793 unsigned long flags;
1796 QETH_DBF_TEXT(trace,4,"sndctlcb");
1798 card = CARD_FROM_CDEV(channel->ccwdev);
1799 if (qeth_check_idx_response(iob->data)) {
1800 qeth_clear_ipacmd_list(card);
1801 qeth_schedule_recovery(card);
1805 cmd = qeth_check_ipa_data(card, iob);
1806 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
1808 /*in case of OSN : check if cmd is set */
1809 if (card->info.type == QETH_CARD_TYPE_OSN &&
1811 cmd->hdr.command != IPA_CMD_STARTLAN &&
1812 card->osn_info.assist_cb != NULL) {
1813 card->osn_info.assist_cb(card->dev, cmd);
1817 spin_lock_irqsave(&card->lock, flags);
1818 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
1819 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
1820 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
1821 qeth_get_reply(reply);
1822 list_del_init(&reply->list);
1823 spin_unlock_irqrestore(&card->lock, flags);
1825 if (reply->callback != NULL) {
1827 reply->offset = (__u16)((char*)cmd -
1829 keep_reply = reply->callback(card,
1831 (unsigned long)cmd);
1833 keep_reply = reply->callback(card,
1835 (unsigned long)iob);
1838 reply->rc = (u16) cmd->hdr.return_code;
1840 reply->rc = iob->rc;
1842 spin_lock_irqsave(&card->lock, flags);
1843 list_add_tail(&reply->list,
1844 &card->cmd_waiter_list);
1845 spin_unlock_irqrestore(&card->lock, flags);
1847 atomic_inc(&reply->received);
1848 wake_up(&reply->wait_q);
1850 qeth_put_reply(reply);
1854 spin_unlock_irqrestore(&card->lock, flags);
1856 memcpy(&card->seqno.pdu_hdr_ack,
1857 QETH_PDU_HEADER_SEQ_NO(iob->data),
1858 QETH_SEQ_NO_LENGTH);
1859 qeth_release_buffer(channel,iob);
1863 qeth_prepare_control_data(struct qeth_card *card, int len,
1864 struct qeth_cmd_buffer *iob)
1866 qeth_setup_ccw(&card->write,iob->data,len);
1867 iob->callback = qeth_release_buffer;
1869 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1870 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1871 card->seqno.trans_hdr++;
1872 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1873 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1874 card->seqno.pdu_hdr++;
1875 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1876 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1877 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1881 qeth_send_control_data(struct qeth_card *card, int len,
1882 struct qeth_cmd_buffer *iob,
1884 (struct qeth_card *, struct qeth_reply*, unsigned long),
1889 unsigned long flags;
1890 struct qeth_reply *reply = NULL;
1891 unsigned long timeout;
1893 QETH_DBF_TEXT(trace, 2, "sendctl");
1895 reply = qeth_alloc_reply(card);
1897 PRINT_WARN("Could no alloc qeth_reply!\n");
1900 reply->callback = reply_cb;
1901 reply->param = reply_param;
1902 if (card->state == CARD_STATE_DOWN)
1903 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1905 reply->seqno = card->seqno.ipa++;
1906 init_waitqueue_head(&reply->wait_q);
1907 spin_lock_irqsave(&card->lock, flags);
1908 list_add_tail(&reply->list, &card->cmd_waiter_list);
1909 spin_unlock_irqrestore(&card->lock, flags);
1910 QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
1912 while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ;
1913 qeth_prepare_control_data(card, len, iob);
1915 if (IS_IPA(iob->data))
1916 timeout = jiffies + QETH_IPA_TIMEOUT;
1918 timeout = jiffies + QETH_TIMEOUT;
1920 QETH_DBF_TEXT(trace, 6, "noirqpnd");
1921 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1922 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1923 (addr_t) iob, 0, 0);
1924 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1926 PRINT_WARN("qeth_send_control_data: "
1927 "ccw_device_start rc = %i\n", rc);
1928 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1929 spin_lock_irqsave(&card->lock, flags);
1930 list_del_init(&reply->list);
1931 qeth_put_reply(reply);
1932 spin_unlock_irqrestore(&card->lock, flags);
1933 qeth_release_buffer(iob->channel, iob);
1934 atomic_set(&card->write.irq_pending, 0);
1935 wake_up(&card->wait_q);
1938 while (!atomic_read(&reply->received)) {
1939 if (time_after(jiffies, timeout)) {
1940 spin_lock_irqsave(&reply->card->lock, flags);
1941 list_del_init(&reply->list);
1942 spin_unlock_irqrestore(&reply->card->lock, flags);
1944 atomic_inc(&reply->received);
1945 wake_up(&reply->wait_q);
1950 qeth_put_reply(reply);
1955 qeth_osn_send_control_data(struct qeth_card *card, int len,
1956 struct qeth_cmd_buffer *iob)
1958 unsigned long flags;
1961 QETH_DBF_TEXT(trace, 5, "osndctrd");
1963 wait_event(card->wait_q,
1964 atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
1965 qeth_prepare_control_data(card, len, iob);
1966 QETH_DBF_TEXT(trace, 6, "osnoirqp");
1967 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
1968 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
1969 (addr_t) iob, 0, 0);
1970 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
1972 PRINT_WARN("qeth_osn_send_control_data: "
1973 "ccw_device_start rc = %i\n", rc);
1974 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
1975 qeth_release_buffer(iob->channel, iob);
1976 atomic_set(&card->write.irq_pending, 0);
1977 wake_up(&card->wait_q);
1983 qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1986 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
1987 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
1988 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
1989 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
1993 qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1998 QETH_DBF_TEXT(trace,4,"osndipa");
2000 qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
2001 s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
2003 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
2004 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
2005 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
2006 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
2007 return qeth_osn_send_control_data(card, s1, iob);
2011 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
2013 (struct qeth_card *,struct qeth_reply*, unsigned long),
2019 QETH_DBF_TEXT(trace,4,"sendipa");
2021 if (card->options.layer2)
2022 if (card->info.type == QETH_CARD_TYPE_OSN)
2023 prot_type = QETH_PROT_OSN2;
2025 prot_type = QETH_PROT_LAYER2;
2027 prot_type = QETH_PROT_TCPIP;
2028 qeth_prepare_ipa_cmd(card,iob,prot_type);
2029 rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
2030 reply_cb, reply_param);
2036 qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2039 struct qeth_cmd_buffer *iob;
2041 QETH_DBF_TEXT(setup, 2, "cmenblcb");
2043 iob = (struct qeth_cmd_buffer *) data;
2044 memcpy(&card->token.cm_filter_r,
2045 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2046 QETH_MPC_TOKEN_LENGTH);
2047 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2052 qeth_cm_enable(struct qeth_card *card)
2055 struct qeth_cmd_buffer *iob;
2057 QETH_DBF_TEXT(setup,2,"cmenable");
2059 iob = qeth_wait_for_buffer(&card->write);
2060 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2061 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2062 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2063 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2064 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2066 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2067 qeth_cm_enable_cb, NULL);
2072 qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2076 struct qeth_cmd_buffer *iob;
2078 QETH_DBF_TEXT(setup, 2, "cmsetpcb");
2080 iob = (struct qeth_cmd_buffer *) data;
2081 memcpy(&card->token.cm_connection_r,
2082 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2083 QETH_MPC_TOKEN_LENGTH);
2084 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2089 qeth_cm_setup(struct qeth_card *card)
2092 struct qeth_cmd_buffer *iob;
2094 QETH_DBF_TEXT(setup,2,"cmsetup");
2096 iob = qeth_wait_for_buffer(&card->write);
2097 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2098 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2099 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2100 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2101 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2102 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2103 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2104 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2105 qeth_cm_setup_cb, NULL);
2111 qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2115 __u16 mtu, framesize;
2118 struct qeth_cmd_buffer *iob;
2120 QETH_DBF_TEXT(setup, 2, "ulpenacb");
2122 iob = (struct qeth_cmd_buffer *) data;
2123 memcpy(&card->token.ulp_filter_r,
2124 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2125 QETH_MPC_TOKEN_LENGTH);
2126 if (qeth_get_mtu_out_of_mpc(card->info.type)) {
2127 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2128 mtu = qeth_get_mtu_outof_framesize(framesize);
2131 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2134 card->info.max_mtu = mtu;
2135 card->info.initial_mtu = mtu;
2136 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2138 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2139 card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type);
2140 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2143 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2144 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2146 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2147 card->info.link_type = link_type;
2149 card->info.link_type = 0;
2150 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2155 qeth_ulp_enable(struct qeth_card *card)
2159 struct qeth_cmd_buffer *iob;
2161 /*FIXME: trace view callbacks*/
2162 QETH_DBF_TEXT(setup,2,"ulpenabl");
2164 iob = qeth_wait_for_buffer(&card->write);
2165 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2167 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2168 (__u8) card->info.portno;
2169 if (card->options.layer2)
2170 if (card->info.type == QETH_CARD_TYPE_OSN)
2171 prot_type = QETH_PROT_OSN2;
2173 prot_type = QETH_PROT_LAYER2;
2175 prot_type = QETH_PROT_TCPIP;
2177 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
2178 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2179 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2180 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2181 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2182 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2183 card->info.portname, 9);
2184 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2185 qeth_ulp_enable_cb, NULL);
2191 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2194 struct qeth_cmd_buffer *iob;
2196 QETH_DBF_TEXT(setup, 2, "ulpstpcb");
2198 iob = (struct qeth_cmd_buffer *) data;
2199 memcpy(&card->token.ulp_connection_r,
2200 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2201 QETH_MPC_TOKEN_LENGTH);
2202 QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc);
2207 qeth_ulp_setup(struct qeth_card *card)
2211 struct qeth_cmd_buffer *iob;
2212 struct ccw_dev_id dev_id;
2214 QETH_DBF_TEXT(setup,2,"ulpsetup");
2216 iob = qeth_wait_for_buffer(&card->write);
2217 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2219 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2220 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2221 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2222 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2223 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2224 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2226 ccw_device_get_id(CARD_DDEV(card), &dev_id);
2227 memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2);
2228 temp = (card->info.cula << 8) + card->info.unit_addr2;
2229 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2230 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2231 qeth_ulp_setup_cb, NULL);
2236 qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
2237 unsigned int siga_error, const char *dbftext)
2239 if (qdio_error || siga_error) {
2240 QETH_DBF_TEXT(trace, 2, dbftext);
2241 QETH_DBF_TEXT(qerr, 2, dbftext);
2242 QETH_DBF_TEXT_(qerr, 2, " F15=%02X",
2243 buf->element[15].flags & 0xff);
2244 QETH_DBF_TEXT_(qerr, 2, " F14=%02X",
2245 buf->element[14].flags & 0xff);
2246 QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error);
2247 QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error);
2253 static struct sk_buff *
2254 qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
2256 struct sk_buff* skb;
2260 if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
2261 add_len = sizeof(struct qeth_hdr);
2262 #ifdef CONFIG_QETH_VLAN
2264 add_len = VLAN_HLEN;
2266 skb = dev_alloc_skb(length + add_len);
2268 skb_reserve(skb, add_len);
2273 qeth_create_skb_frag(struct qdio_buffer_element *element,
2274 struct sk_buff **pskb,
2275 int offset, int *pfrag, int data_len)
2277 struct page *page = virt_to_page(element->addr);
2279 /* the upper protocol layers assume that there is data in the
2280 * skb itself. Copy a small amount (64 bytes) to make them
2282 *pskb = dev_alloc_skb(64 + QETH_FAKE_LL_LEN_ETH);
2285 skb_reserve(*pskb, QETH_FAKE_LL_LEN_ETH);
2286 if (data_len <= 64) {
2287 memcpy(skb_put(*pskb, data_len), element->addr + offset,
2291 memcpy(skb_put(*pskb, 64), element->addr + offset, 64);
2292 skb_fill_page_desc(*pskb, *pfrag, page, offset + 64,
2294 (*pskb)->data_len += data_len - 64;
2295 (*pskb)->len += data_len - 64;
2296 (*pskb)->truesize += data_len - 64;
2300 skb_fill_page_desc(*pskb, *pfrag, page, offset, data_len);
2301 (*pskb)->data_len += data_len;
2302 (*pskb)->len += data_len;
2303 (*pskb)->truesize += data_len;
2309 static inline struct qeth_buffer_pool_entry *
2310 qeth_find_free_buffer_pool_entry(struct qeth_card *card)
2312 struct list_head *plh;
2313 struct qeth_buffer_pool_entry *entry;
2317 if (list_empty(&card->qdio.in_buf_pool.entry_list))
2320 list_for_each(plh, &card->qdio.in_buf_pool.entry_list) {
2321 entry = list_entry(plh, struct qeth_buffer_pool_entry, list);
2323 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2324 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2330 list_del_init(&entry->list);
2335 /* no free buffer in pool so take first one and swap pages */
2336 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2337 struct qeth_buffer_pool_entry, list);
2338 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2339 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2340 page = alloc_page(GFP_ATOMIC|GFP_DMA);
2344 free_page((unsigned long)entry->elements[i]);
2345 entry->elements[i] = page_address(page);
2346 if (card->options.performance_stats)
2347 card->perf_stats.sg_alloc_page_rx++;
2351 list_del_init(&entry->list);
2355 static struct sk_buff *
2356 qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
2357 struct qdio_buffer_element **__element, int *__offset,
2358 struct qeth_hdr **hdr)
2360 struct qdio_buffer_element *element = *__element;
2361 int offset = *__offset;
2362 struct sk_buff *skb = NULL;
2369 QETH_DBF_TEXT(trace,6,"nextskb");
2370 /* qeth_hdr must not cross element boundaries */
2371 if (element->length < offset + sizeof(struct qeth_hdr)){
2372 if (qeth_is_last_sbale(element))
2376 if (element->length < sizeof(struct qeth_hdr))
2379 *hdr = element->addr + offset;
2381 offset += sizeof(struct qeth_hdr);
2382 if (card->options.layer2)
2383 if (card->info.type == QETH_CARD_TYPE_OSN)
2384 skb_len = (*hdr)->hdr.osn.pdu_length;
2386 skb_len = (*hdr)->hdr.l2.pkt_length;
2388 skb_len = (*hdr)->hdr.l3.length;
2392 if ((skb_len >= card->options.rx_sg_cb) &&
2393 (!(card->info.type == QETH_CARD_TYPE_OSN)) &&
2394 (!atomic_read(&card->force_alloc_skb))) {
2397 if (card->options.fake_ll) {
2398 if (card->dev->type == ARPHRD_IEEE802_TR) {
2399 if (!(skb = qeth_get_skb(skb_len +
2400 QETH_FAKE_LL_LEN_TR, *hdr)))
2402 skb_reserve(skb, QETH_FAKE_LL_LEN_TR);
2404 if (!(skb = qeth_get_skb(skb_len +
2405 QETH_FAKE_LL_LEN_ETH, *hdr)))
2407 skb_reserve(skb, QETH_FAKE_LL_LEN_ETH);
2410 skb = qeth_get_skb(skb_len, *hdr);
2416 data_ptr = element->addr + offset;
2418 data_len = min(skb_len, (int)(element->length - offset));
2421 if (qeth_create_skb_frag(element, &skb, offset,
2425 memcpy(skb_put(skb, data_len), data_ptr,
2429 skb_len -= data_len;
2431 if (qeth_is_last_sbale(element)){
2432 QETH_DBF_TEXT(trace,4,"unexeob");
2433 QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card));
2434 QETH_DBF_TEXT(qerr,2,"unexeob");
2435 QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card));
2436 QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer));
2437 dev_kfree_skb_any(skb);
2438 card->stats.rx_errors++;
2443 data_ptr = element->addr;
2448 *__element = element;
2450 if (use_rx_sg && card->options.performance_stats) {
2451 card->perf_stats.sg_skbs_rx++;
2452 card->perf_stats.sg_frags_rx += skb_shinfo(skb)->nr_frags;
2456 if (net_ratelimit()){
2457 PRINT_WARN("No memory for packet received on %s.\n",
2458 QETH_CARD_IFNAME(card));
2459 QETH_DBF_TEXT(trace,2,"noskbmem");
2460 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2462 card->stats.rx_dropped++;
2467 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
2469 struct qeth_card *card;
2472 QETH_DBF_TEXT(trace,6,"typtrans");
2474 card = (struct qeth_card *)dev->priv;
2476 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
2477 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
2478 return tr_type_trans(skb,dev);
2479 #endif /* CONFIG_TR */
2480 skb_reset_mac_header(skb);
2481 skb_pull(skb, ETH_HLEN );
2484 if (*eth->h_dest & 1) {
2485 if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
2486 skb->pkt_type = PACKET_BROADCAST;
2488 skb->pkt_type = PACKET_MULTICAST;
2489 } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
2490 skb->pkt_type = PACKET_OTHERHOST;
2492 if (ntohs(eth->h_proto) >= 1536)
2493 return eth->h_proto;
2494 if (*(unsigned short *) (skb->data) == 0xFFFF)
2495 return htons(ETH_P_802_3);
2496 return htons(ETH_P_802_2);
2500 qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
2501 struct qeth_hdr *hdr)
2503 struct trh_hdr *fake_hdr;
2504 struct trllc *fake_llc;
2505 struct iphdr *ip_hdr;
2507 QETH_DBF_TEXT(trace,5,"skbfktr");
2508 skb_set_mac_header(skb, (int)-QETH_FAKE_LL_LEN_TR);
2509 /* this is a fake ethernet header */
2510 fake_hdr = tr_hdr(skb);
2512 /* the destination MAC address */
2513 switch (skb->pkt_type){
2514 case PACKET_MULTICAST:
2515 switch (skb->protocol){
2516 #ifdef CONFIG_QETH_IPV6
2517 case __constant_htons(ETH_P_IPV6):
2518 ndisc_mc_map((struct in6_addr *)
2519 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2520 fake_hdr->daddr, card->dev, 0);
2522 #endif /* CONFIG_QETH_IPV6 */
2523 case __constant_htons(ETH_P_IP):
2524 ip_hdr = (struct iphdr *)skb->data;
2525 ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr);
2528 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2531 case PACKET_BROADCAST:
2532 memset(fake_hdr->daddr, 0xff, TR_ALEN);
2535 memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN);
2537 /* the source MAC address */
2538 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2539 memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN);
2541 memset(fake_hdr->saddr, 0, TR_ALEN);
2543 fake_llc = (struct trllc*)&(fake_hdr->rcf);
2544 fake_llc->dsap = EXTENDED_SAP;
2545 fake_llc->ssap = EXTENDED_SAP;
2546 fake_llc->llc = UI_CMD;
2547 fake_llc->protid[0] = 0;
2548 fake_llc->protid[1] = 0;
2549 fake_llc->protid[2] = 0;
2550 fake_llc->ethertype = ETH_P_IP;
2554 qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
2555 struct qeth_hdr *hdr)
2557 struct ethhdr *fake_hdr;
2558 struct iphdr *ip_hdr;
2560 QETH_DBF_TEXT(trace,5,"skbfketh");
2561 skb_set_mac_header(skb, -QETH_FAKE_LL_LEN_ETH);
2562 /* this is a fake ethernet header */
2563 fake_hdr = eth_hdr(skb);
2565 /* the destination MAC address */
2566 switch (skb->pkt_type){
2567 case PACKET_MULTICAST:
2568 switch (skb->protocol){
2569 #ifdef CONFIG_QETH_IPV6
2570 case __constant_htons(ETH_P_IPV6):
2571 ndisc_mc_map((struct in6_addr *)
2572 skb->data + QETH_FAKE_LL_V6_ADDR_POS,
2573 fake_hdr->h_dest, card->dev, 0);
2575 #endif /* CONFIG_QETH_IPV6 */
2576 case __constant_htons(ETH_P_IP):
2577 ip_hdr = (struct iphdr *)skb->data;
2578 ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest);
2581 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2584 case PACKET_BROADCAST:
2585 memset(fake_hdr->h_dest, 0xff, ETH_ALEN);
2588 memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
2590 /* the source MAC address */
2591 if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
2592 memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
2594 memset(fake_hdr->h_source, 0, ETH_ALEN);
2596 fake_hdr->h_proto = skb->protocol;
2600 qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb,
2601 struct qeth_hdr *hdr)
2603 if (card->dev->type == ARPHRD_IEEE802_TR)
2604 qeth_rebuild_skb_fake_ll_tr(card, skb, hdr);
2606 qeth_rebuild_skb_fake_ll_eth(card, skb, hdr);
2610 qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2611 struct qeth_hdr *hdr)
2613 skb->pkt_type = PACKET_HOST;
2614 skb->protocol = qeth_type_trans(skb, skb->dev);
2615 if (card->options.checksum_type == NO_CHECKSUMMING)
2616 skb->ip_summed = CHECKSUM_UNNECESSARY;
2618 skb->ip_summed = CHECKSUM_NONE;
2619 *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
2623 qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
2624 struct qeth_hdr *hdr)
2626 unsigned short vlan_id = 0;
2627 #ifdef CONFIG_QETH_IPV6
2628 if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) {
2629 skb->pkt_type = PACKET_HOST;
2630 skb->protocol = qeth_type_trans(skb, card->dev);
2633 #endif /* CONFIG_QETH_IPV6 */
2634 skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
2636 switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
2637 case QETH_CAST_UNICAST:
2638 skb->pkt_type = PACKET_HOST;
2640 case QETH_CAST_MULTICAST:
2641 skb->pkt_type = PACKET_MULTICAST;
2642 card->stats.multicast++;
2644 case QETH_CAST_BROADCAST:
2645 skb->pkt_type = PACKET_BROADCAST;
2646 card->stats.multicast++;
2648 case QETH_CAST_ANYCAST:
2649 case QETH_CAST_NOCAST:
2651 skb->pkt_type = PACKET_HOST;
2654 if (hdr->hdr.l3.ext_flags &
2655 (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
2656 vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
2657 hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
2660 if (card->options.fake_ll)
2661 qeth_rebuild_skb_fake_ll(card, skb, hdr);
2663 skb_reset_mac_header(skb);
2664 skb->ip_summed = card->options.checksum_type;
2665 if (card->options.checksum_type == HW_CHECKSUMMING){
2666 if ( (hdr->hdr.l3.ext_flags &
2667 (QETH_HDR_EXT_CSUM_HDR_REQ |
2668 QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
2669 (QETH_HDR_EXT_CSUM_HDR_REQ |
2670 QETH_HDR_EXT_CSUM_TRANSP_REQ) )
2671 skb->ip_summed = CHECKSUM_UNNECESSARY;
2673 skb->ip_summed = SW_CHECKSUMMING;
2679 qeth_process_inbound_buffer(struct qeth_card *card,
2680 struct qeth_qdio_buffer *buf, int index)
2682 struct qdio_buffer_element *element;
2683 struct sk_buff *skb;
2684 struct qeth_hdr *hdr;
2689 /* get first element of current buffer */
2690 element = (struct qdio_buffer_element *)&buf->buffer->element[0];
2692 if (card->options.performance_stats)
2693 card->perf_stats.bufs_rec++;
2694 while((skb = qeth_get_next_skb(card, buf->buffer, &element,
2696 skb->dev = card->dev;
2697 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
2698 qeth_layer2_rebuild_skb(card, skb, hdr);
2699 else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
2700 vlan_tag = qeth_rebuild_skb(card, skb, hdr);
2701 else { /*in case of OSN*/
2702 skb_push(skb, sizeof(struct qeth_hdr));
2703 skb_copy_to_linear_data(skb, hdr,
2704 sizeof(struct qeth_hdr));
2706 /* is device UP ? */
2707 if (!(card->dev->flags & IFF_UP)){
2708 dev_kfree_skb_any(skb);
2711 if (card->info.type == QETH_CARD_TYPE_OSN)
2712 rxrc = card->osn_info.data_cb(skb);
2714 #ifdef CONFIG_QETH_VLAN
2717 vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
2719 dev_kfree_skb_any(skb);
2724 rxrc = netif_rx(skb);
2725 card->dev->last_rx = jiffies;
2726 card->stats.rx_packets++;
2727 card->stats.rx_bytes += skb->len;
2732 qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
2734 struct qeth_buffer_pool_entry *pool_entry;
2737 pool_entry = qeth_find_free_buffer_pool_entry(card);
2741 * since the buffer is accessed only from the input_tasklet
2742 * there shouldn't be a need to synchronize; also, since we use
2743 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2746 BUG_ON(!pool_entry);
2748 buf->pool_entry = pool_entry;
2749 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
2750 buf->buffer->element[i].length = PAGE_SIZE;
2751 buf->buffer->element[i].addr = pool_entry->elements[i];
2752 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2753 buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY;
2755 buf->buffer->element[i].flags = 0;
2757 buf->state = QETH_QDIO_BUF_EMPTY;
2762 qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
2763 struct qeth_qdio_out_buffer *buf)
2766 struct sk_buff *skb;
2768 /* is PCI flag set on buffer? */
2769 if (buf->buffer->element[0].flags & 0x40)
2770 atomic_dec(&queue->set_pci_flags_count);
2772 while ((skb = skb_dequeue(&buf->skb_list))){
2773 atomic_dec(&skb->users);
2774 dev_kfree_skb_any(skb);
2776 qeth_eddp_buf_release_contexts(buf);
2777 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){
2778 buf->buffer->element[i].length = 0;
2779 buf->buffer->element[i].addr = NULL;
2780 buf->buffer->element[i].flags = 0;
2782 buf->next_element_to_fill = 0;
2783 atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
2787 qeth_queue_input_buffer(struct qeth_card *card, int index)
2789 struct qeth_qdio_q *queue = card->qdio.in_q;
2795 QETH_DBF_TEXT(trace,6,"queinbuf");
2796 count = (index < queue->next_buf_to_init)?
2797 card->qdio.in_buf_pool.buf_count -
2798 (queue->next_buf_to_init - index) :
2799 card->qdio.in_buf_pool.buf_count -
2800 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
2801 /* only requeue at a certain threshold to avoid SIGAs */
2802 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){
2803 for (i = queue->next_buf_to_init;
2804 i < queue->next_buf_to_init + count; ++i) {
2805 if (qeth_init_input_buffer(card,
2806 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) {
2813 if (newcount < count) {
2814 /* we are in memory shortage so we switch back to
2815 traditional skb allocation and drop packages */
2816 if (!atomic_read(&card->force_alloc_skb) &&
2818 PRINT_WARN("Switch to alloc skb\n");
2819 atomic_set(&card->force_alloc_skb, 3);
2822 if ((atomic_read(&card->force_alloc_skb) == 1) &&
2824 PRINT_WARN("Switch to sg\n");
2825 atomic_add_unless(&card->force_alloc_skb, -1, 0);
2829 * according to old code it should be avoided to requeue all
2830 * 128 buffers in order to benefit from PCI avoidance.
2831 * this function keeps at least one buffer (the buffer at
2832 * 'index') un-requeued -> this buffer is the first buffer that
2833 * will be requeued the next time
2835 if (card->options.performance_stats) {
2836 card->perf_stats.inbound_do_qdio_cnt++;
2837 card->perf_stats.inbound_do_qdio_start_time =
2840 rc = do_QDIO(CARD_DDEV(card),
2841 QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT,
2842 0, queue->next_buf_to_init, count, NULL);
2843 if (card->options.performance_stats)
2844 card->perf_stats.inbound_do_qdio_time +=
2846 card->perf_stats.inbound_do_qdio_start_time;
2848 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2849 "return %i (device %s).\n",
2850 rc, CARD_DDEV_ID(card));
2851 QETH_DBF_TEXT(trace,2,"qinberr");
2852 QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card));
2854 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
2855 QDIO_MAX_BUFFERS_PER_Q;
2860 qeth_put_buffer_pool_entry(struct qeth_card *card,
2861 struct qeth_buffer_pool_entry *entry)
2863 QETH_DBF_TEXT(trace, 6, "ptbfplen");
2864 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
2868 qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
2869 unsigned int qdio_err, unsigned int siga_err,
2870 unsigned int queue, int first_element, int count,
2871 unsigned long card_ptr)
2873 struct net_device *net_dev;
2874 struct qeth_card *card;
2875 struct qeth_qdio_buffer *buffer;
2879 QETH_DBF_TEXT(trace, 6, "qdinput");
2880 card = (struct qeth_card *) card_ptr;
2881 net_dev = card->dev;
2882 if (card->options.performance_stats) {
2883 card->perf_stats.inbound_cnt++;
2884 card->perf_stats.inbound_start_time = qeth_get_micros();
2886 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
2887 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
2888 QETH_DBF_TEXT(trace, 1,"qdinchk");
2889 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2890 QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count);
2891 QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status);
2892 qeth_schedule_recovery(card);
2896 for (i = first_element; i < (first_element + count); ++i) {
2897 index = i % QDIO_MAX_BUFFERS_PER_Q;
2898 buffer = &card->qdio.in_q->bufs[index];
2899 if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
2900 qeth_check_qdio_errors(buffer->buffer,
2901 qdio_err, siga_err,"qinerr")))
2902 qeth_process_inbound_buffer(card, buffer, index);
2903 /* clear buffer and give back to hardware */
2904 qeth_put_buffer_pool_entry(card, buffer->pool_entry);
2905 qeth_queue_input_buffer(card, index);
2907 if (card->options.performance_stats)
2908 card->perf_stats.inbound_time += qeth_get_micros() -
2909 card->perf_stats.inbound_start_time;
2913 qeth_handle_send_error(struct qeth_card *card,
2914 struct qeth_qdio_out_buffer *buffer,
2915 unsigned int qdio_err, unsigned int siga_err)
2917 int sbalf15 = buffer->buffer->element[15].flags & 0xff;
2918 int cc = siga_err & 3;
2920 QETH_DBF_TEXT(trace, 6, "hdsnderr");
2921 qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr");
2925 QETH_DBF_TEXT(trace, 1,"lnkfail");
2926 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2927 QETH_DBF_TEXT_(trace,1,"%04x %02x",
2928 (u16)qdio_err, (u8)sbalf15);
2929 return QETH_SEND_ERROR_LINK_FAILURE;
2931 return QETH_SEND_ERROR_NONE;
2933 if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) {
2934 QETH_DBF_TEXT(trace, 1, "SIGAcc2B");
2935 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2936 return QETH_SEND_ERROR_KICK_IT;
2938 if ((sbalf15 >= 15) && (sbalf15 <= 31))
2939 return QETH_SEND_ERROR_RETRY;
2940 return QETH_SEND_ERROR_LINK_FAILURE;
2941 /* look at qdio_error and sbalf 15 */
2943 QETH_DBF_TEXT(trace, 1, "SIGAcc1");
2944 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2945 return QETH_SEND_ERROR_LINK_FAILURE;
2948 QETH_DBF_TEXT(trace, 1, "SIGAcc3");
2949 QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card));
2950 return QETH_SEND_ERROR_KICK_IT;
2955 qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
2956 int index, int count)
2958 struct qeth_qdio_out_buffer *buf;
2961 unsigned int qdio_flags;
2963 QETH_DBF_TEXT(trace, 6, "flushbuf");
2965 for (i = index; i < index + count; ++i) {
2966 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
2967 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
2968 SBAL_FLAGS_LAST_ENTRY;
2970 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
2973 if (!queue->do_pack){
2974 if ((atomic_read(&queue->used_buffers) >=
2975 (QETH_HIGH_WATERMARK_PACK -
2976 QETH_WATERMARK_PACK_FUZZ)) &&
2977 !atomic_read(&queue->set_pci_flags_count)){
2978 /* it's likely that we'll go to packing
2980 atomic_inc(&queue->set_pci_flags_count);
2981 buf->buffer->element[0].flags |= 0x40;
2984 if (!atomic_read(&queue->set_pci_flags_count)){
2986 * there's no outstanding PCI any more, so we
2987 * have to request a PCI to be sure that the PCI
2988 * will wake at some time in the future then we
2989 * can flush packed buffers that might still be
2990 * hanging around, which can happen if no
2991 * further send was requested by the stack
2993 atomic_inc(&queue->set_pci_flags_count);
2994 buf->buffer->element[0].flags |= 0x40;
2999 queue->card->dev->trans_start = jiffies;
3000 if (queue->card->options.performance_stats) {
3001 queue->card->perf_stats.outbound_do_qdio_cnt++;
3002 queue->card->perf_stats.outbound_do_qdio_start_time =
3005 qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
3007 qdio_flags |= QDIO_FLAG_UNDER_INTERRUPT;
3008 if (atomic_read(&queue->set_pci_flags_count))
3009 qdio_flags |= QDIO_FLAG_PCI_OUT;
3010 rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
3011 queue->queue_no, index, count, NULL);
3012 if (queue->card->options.performance_stats)
3013 queue->card->perf_stats.outbound_do_qdio_time +=
3015 queue->card->perf_stats.outbound_do_qdio_start_time;
3017 QETH_DBF_TEXT(trace, 2, "flushbuf");
3018 QETH_DBF_TEXT_(trace, 2, " err%d", rc);
3019 QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
3020 queue->card->stats.tx_errors += count;
3021 /* this must not happen under normal circumstances. if it
3022 * happens something is really wrong -> recover */
3023 qeth_schedule_recovery(queue->card);
3026 atomic_add(count, &queue->used_buffers);
3027 if (queue->card->options.performance_stats)
3028 queue->card->perf_stats.bufs_sent += count;
3032 * Switched to packing state if the number of used buffers on a queue
3033 * reaches a certain limit.
3036 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
3038 if (!queue->do_pack) {
3039 if (atomic_read(&queue->used_buffers)
3040 >= QETH_HIGH_WATERMARK_PACK){
3041 /* switch non-PACKING -> PACKING */
3042 QETH_DBF_TEXT(trace, 6, "np->pack");
3043 if (queue->card->options.performance_stats)
3044 queue->card->perf_stats.sc_dp_p++;
3051 * Switches from packing to non-packing mode. If there is a packing
3052 * buffer on the queue this buffer will be prepared to be flushed.
3053 * In that case 1 is returned to inform the caller. If no buffer
3054 * has to be flushed, zero is returned.
3057 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
3059 struct qeth_qdio_out_buffer *buffer;
3060 int flush_count = 0;
3062 if (queue->do_pack) {
3063 if (atomic_read(&queue->used_buffers)
3064 <= QETH_LOW_WATERMARK_PACK) {
3065 /* switch PACKING -> non-PACKING */
3066 QETH_DBF_TEXT(trace, 6, "pack->np");
3067 if (queue->card->options.performance_stats)
3068 queue->card->perf_stats.sc_p_dp++;
3070 /* flush packing buffers */
3071 buffer = &queue->bufs[queue->next_buf_to_fill];
3072 if ((atomic_read(&buffer->state) ==
3073 QETH_QDIO_BUF_EMPTY) &&
3074 (buffer->next_element_to_fill > 0)) {
3075 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
3077 queue->next_buf_to_fill =
3078 (queue->next_buf_to_fill + 1) %
3079 QDIO_MAX_BUFFERS_PER_Q;
3087 * Called to flush a packing buffer if no more pci flags are on the queue.
3088 * Checks if there is a packing buffer and prepares it to be flushed.
3089 * In that case returns 1, otherwise zero.
3092 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
3094 struct qeth_qdio_out_buffer *buffer;
3096 buffer = &queue->bufs[queue->next_buf_to_fill];
3097 if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
3098 (buffer->next_element_to_fill > 0)){
3099 /* it's a packing buffer */
3100 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3101 queue->next_buf_to_fill =
3102 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
3109 qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
3113 int q_was_packing = 0;
3116 * check if weed have to switch to non-packing mode or if
3117 * we have to get a pci flag out on the queue
3119 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
3120 !atomic_read(&queue->set_pci_flags_count)){
3121 if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
3122 QETH_OUT_Q_UNLOCKED) {
3124 * If we get in here, there was no action in
3125 * do_send_packet. So, we check if there is a
3126 * packing buffer to be flushed here.
3128 netif_stop_queue(queue->card->dev);
3129 index = queue->next_buf_to_fill;
3130 q_was_packing = queue->do_pack;
3131 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3133 !atomic_read(&queue->set_pci_flags_count))
3135 qeth_flush_buffers_on_no_pci(queue);
3136 if (queue->card->options.performance_stats &&
3138 queue->card->perf_stats.bufs_sent_pack +=
3141 qeth_flush_buffers(queue, 1, index, flush_cnt);
3142 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3148 qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
3149 unsigned int qdio_error, unsigned int siga_error,
3150 unsigned int __queue, int first_element, int count,
3151 unsigned long card_ptr)
3153 struct qeth_card *card = (struct qeth_card *) card_ptr;
3154 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3155 struct qeth_qdio_out_buffer *buffer;
3158 QETH_DBF_TEXT(trace, 6, "qdouhdl");
3159 if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
3160 if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
3161 QETH_DBF_TEXT(trace, 2, "achkcond");
3162 QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
3163 QETH_DBF_TEXT_(trace, 2, "%08x", status);
3164 netif_stop_queue(card->dev);
3165 qeth_schedule_recovery(card);
3169 if (card->options.performance_stats) {
3170 card->perf_stats.outbound_handler_cnt++;
3171 card->perf_stats.outbound_handler_start_time =
3174 for(i = first_element; i < (first_element + count); ++i){
3175 buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
3176 /*we only handle the KICK_IT error by doing a recovery */
3177 if (qeth_handle_send_error(card, buffer,
3178 qdio_error, siga_error)
3179 == QETH_SEND_ERROR_KICK_IT){
3180 netif_stop_queue(card->dev);
3181 qeth_schedule_recovery(card);
3184 qeth_clear_output_buffer(queue, buffer);
3186 atomic_sub(count, &queue->used_buffers);
3187 /* check if we need to do something on this outbound queue */
3188 if (card->info.type != QETH_CARD_TYPE_IQD)
3189 qeth_check_outbound_queue(queue);
3191 netif_wake_queue(queue->card->dev);
3192 if (card->options.performance_stats)
3193 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3194 card->perf_stats.outbound_handler_start_time;
3198 qeth_create_qib_param_field(struct qeth_card *card, char *param_field)
3201 param_field[0] = _ascebc['P'];
3202 param_field[1] = _ascebc['C'];
3203 param_field[2] = _ascebc['I'];
3204 param_field[3] = _ascebc['T'];
3205 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
3206 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
3207 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
3211 qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field)
3213 param_field[16] = _ascebc['B'];
3214 param_field[17] = _ascebc['L'];
3215 param_field[18] = _ascebc['K'];
3216 param_field[19] = _ascebc['T'];
3217 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
3218 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
3219 *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo;
3223 qeth_initialize_working_pool_list(struct qeth_card *card)
3225 struct qeth_buffer_pool_entry *entry;
3227 QETH_DBF_TEXT(trace,5,"inwrklst");
3229 list_for_each_entry(entry,
3230 &card->qdio.init_pool.entry_list, init_list) {
3231 qeth_put_buffer_pool_entry(card,entry);
3236 qeth_clear_working_pool_list(struct qeth_card *card)
3238 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3240 QETH_DBF_TEXT(trace,5,"clwrklst");
3241 list_for_each_entry_safe(pool_entry, tmp,
3242 &card->qdio.in_buf_pool.entry_list, list){
3243 list_del(&pool_entry->list);
3248 qeth_free_buffer_pool(struct qeth_card *card)
3250 struct qeth_buffer_pool_entry *pool_entry, *tmp;
3252 QETH_DBF_TEXT(trace,5,"freepool");
3253 list_for_each_entry_safe(pool_entry, tmp,
3254 &card->qdio.init_pool.entry_list, init_list){
3255 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
3256 free_page((unsigned long)pool_entry->elements[i]);
3257 list_del(&pool_entry->init_list);
3263 qeth_alloc_buffer_pool(struct qeth_card *card)
3265 struct qeth_buffer_pool_entry *pool_entry;
3269 QETH_DBF_TEXT(trace,5,"alocpool");
3270 for (i = 0; i < card->qdio.init_pool.buf_count; ++i){
3271 pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL);
3273 qeth_free_buffer_pool(card);
3276 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
3277 ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
3280 free_page((unsigned long)
3281 pool_entry->elements[--j]);
3283 qeth_free_buffer_pool(card);
3286 pool_entry->elements[j] = ptr;
3288 list_add(&pool_entry->init_list,
3289 &card->qdio.init_pool.entry_list);
3295 qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
3297 QETH_DBF_TEXT(trace, 2, "realcbp");
3299 if ((card->state != CARD_STATE_DOWN) &&
3300 (card->state != CARD_STATE_RECOVER))
3303 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3304 qeth_clear_working_pool_list(card);
3305 qeth_free_buffer_pool(card);
3306 card->qdio.in_buf_pool.buf_count = bufcnt;
3307 card->qdio.init_pool.buf_count = bufcnt;
3308 return qeth_alloc_buffer_pool(card);
3312 qeth_alloc_qdio_buffers(struct qeth_card *card)
3316 QETH_DBF_TEXT(setup, 2, "allcqdbf");
3318 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
3319 QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
3322 card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
3323 GFP_KERNEL|GFP_DMA);
3324 if (!card->qdio.in_q)
3326 QETH_DBF_TEXT(setup, 2, "inq");
3327 QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *));
3328 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
3329 /* give inbound qeth_qdio_buffers their qdio_buffers */
3330 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3331 card->qdio.in_q->bufs[i].buffer =
3332 &card->qdio.in_q->qdio_bufs[i];
3333 /* inbound buffer pool */
3334 if (qeth_alloc_buffer_pool(card))
3338 kmalloc(card->qdio.no_out_queues *
3339 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
3340 if (!card->qdio.out_qs)
3342 for (i = 0; i < card->qdio.no_out_queues; ++i) {
3343 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
3344 GFP_KERNEL|GFP_DMA);
3345 if (!card->qdio.out_qs[i])
3347 QETH_DBF_TEXT_(setup, 2, "outq %i", i);
3348 QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *));
3349 memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q));
3350 card->qdio.out_qs[i]->queue_no = i;
3351 /* give outbound qeth_qdio_buffers their qdio_buffers */
3352 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3353 card->qdio.out_qs[i]->bufs[j].buffer =
3354 &card->qdio.out_qs[i]->qdio_bufs[j];
3355 skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j].
3358 &card->qdio.out_qs[i]->bufs[j].skb_list.lock,
3359 &qdio_out_skb_queue_key);
3360 INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list);
3367 kfree(card->qdio.out_qs[--i]);
3368 kfree(card->qdio.out_qs);
3369 card->qdio.out_qs = NULL;
3371 qeth_free_buffer_pool(card);
3373 kfree(card->qdio.in_q);
3374 card->qdio.in_q = NULL;
3376 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
3381 qeth_free_qdio_buffers(struct qeth_card *card)
3385 QETH_DBF_TEXT(trace, 2, "freeqdbf");
3386 if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) ==
3387 QETH_QDIO_UNINITIALIZED)
3389 kfree(card->qdio.in_q);
3390 card->qdio.in_q = NULL;
3391 /* inbound buffer pool */
3392 qeth_free_buffer_pool(card);
3393 /* free outbound qdio_qs */
3394 if (card->qdio.out_qs) {
3395 for (i = 0; i < card->qdio.no_out_queues; ++i) {
3396 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3397 qeth_clear_output_buffer(card->qdio.out_qs[i],
3398 &card->qdio.out_qs[i]->bufs[j]);
3399 kfree(card->qdio.out_qs[i]);
3401 kfree(card->qdio.out_qs);
3402 card->qdio.out_qs = NULL;
3407 qeth_clear_qdio_buffers(struct qeth_card *card)
3411 QETH_DBF_TEXT(trace, 2, "clearqdbf");
3412 /* clear outbound buffers to free skbs */
3413 for (i = 0; i < card->qdio.no_out_queues; ++i)
3414 if (card->qdio.out_qs && card->qdio.out_qs[i]) {
3415 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
3416 qeth_clear_output_buffer(card->qdio.out_qs[i],
3417 &card->qdio.out_qs[i]->bufs[j]);
3422 qeth_init_qdio_info(struct qeth_card *card)
3424 QETH_DBF_TEXT(setup, 4, "intqdinf");
3425 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
3427 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
3428 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
3429 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
3430 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
3431 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
3435 qeth_init_qdio_queues(struct qeth_card *card)
3440 QETH_DBF_TEXT(setup, 2, "initqdqs");
3443 memset(card->qdio.in_q->qdio_bufs, 0,
3444 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3445 qeth_initialize_working_pool_list(card);
3446 /*give only as many buffers to hardware as we have buffer pool entries*/
3447 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
3448 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
3449 card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1;
3450 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
3451 card->qdio.in_buf_pool.buf_count - 1, NULL);
3453 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3456 rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0);
3458 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3461 /* outbound queue */
3462 for (i = 0; i < card->qdio.no_out_queues; ++i){
3463 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
3464 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
3465 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){
3466 qeth_clear_output_buffer(card->qdio.out_qs[i],
3467 &card->qdio.out_qs[i]->bufs[j]);
3469 card->qdio.out_qs[i]->card = card;
3470 card->qdio.out_qs[i]->next_buf_to_fill = 0;
3471 card->qdio.out_qs[i]->do_pack = 0;
3472 atomic_set(&card->qdio.out_qs[i]->used_buffers,0);
3473 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
3474 atomic_set(&card->qdio.out_qs[i]->state,
3475 QETH_OUT_Q_UNLOCKED);
3481 qeth_qdio_establish(struct qeth_card *card)
3483 struct qdio_initialize init_data;
3484 char *qib_param_field;
3485 struct qdio_buffer **in_sbal_ptrs;
3486 struct qdio_buffer **out_sbal_ptrs;
3490 QETH_DBF_TEXT(setup, 2, "qdioest");
3492 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
3494 if (!qib_param_field)
3497 qeth_create_qib_param_field(card, qib_param_field);
3498 qeth_create_qib_param_field_blkt(card, qib_param_field);
3500 in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
3502 if (!in_sbal_ptrs) {
3503 kfree(qib_param_field);
3506 for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i)
3507 in_sbal_ptrs[i] = (struct qdio_buffer *)
3508 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
3511 kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
3512 sizeof(void *), GFP_KERNEL);
3513 if (!out_sbal_ptrs) {
3514 kfree(in_sbal_ptrs);
3515 kfree(qib_param_field);
3518 for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
3519 for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){
3520 out_sbal_ptrs[k] = (struct qdio_buffer *)
3521 virt_to_phys(card->qdio.out_qs[i]->
3525 memset(&init_data, 0, sizeof(struct qdio_initialize));
3526 init_data.cdev = CARD_DDEV(card);
3527 init_data.q_format = qeth_get_qdio_q_format(card);
3528 init_data.qib_param_field_format = 0;
3529 init_data.qib_param_field = qib_param_field;
3530 init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD;
3531 init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD;
3532 init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD;
3533 init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD;
3534 init_data.no_input_qs = 1;
3535 init_data.no_output_qs = card->qdio.no_out_queues;
3536 init_data.input_handler = (qdio_handler_t *)
3537 qeth_qdio_input_handler;
3538 init_data.output_handler = (qdio_handler_t *)
3539 qeth_qdio_output_handler;
3540 init_data.int_parm = (unsigned long) card;
3541 init_data.flags = QDIO_INBOUND_0COPY_SBALS |
3542 QDIO_OUTBOUND_0COPY_SBALS |
3543 QDIO_USE_OUTBOUND_PCIS;
3544 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
3545 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
3547 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
3548 QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED)
3549 if ((rc = qdio_initialize(&init_data)))
3550 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
3552 kfree(out_sbal_ptrs);
3553 kfree(in_sbal_ptrs);
3554 kfree(qib_param_field);
3559 qeth_qdio_activate(struct qeth_card *card)
3561 QETH_DBF_TEXT(setup,3,"qdioact");
3562 return qdio_activate(CARD_DDEV(card), 0);
3566 qeth_clear_channel(struct qeth_channel *channel)
3568 unsigned long flags;
3569 struct qeth_card *card;
3572 QETH_DBF_TEXT(trace,3,"clearch");
3573 card = CARD_FROM_CDEV(channel->ccwdev);
3574 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3575 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
3576 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3580 rc = wait_event_interruptible_timeout(card->wait_q,
3581 channel->state==CH_STATE_STOPPED, QETH_TIMEOUT);
3582 if (rc == -ERESTARTSYS)
3584 if (channel->state != CH_STATE_STOPPED)
3586 channel->state = CH_STATE_DOWN;
3591 qeth_halt_channel(struct qeth_channel *channel)
3593 unsigned long flags;
3594 struct qeth_card *card;
3597 QETH_DBF_TEXT(trace,3,"haltch");
3598 card = CARD_FROM_CDEV(channel->ccwdev);
3599 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
3600 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
3601 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
3605 rc = wait_event_interruptible_timeout(card->wait_q,
3606 channel->state==CH_STATE_HALTED, QETH_TIMEOUT);
3607 if (rc == -ERESTARTSYS)
3609 if (channel->state != CH_STATE_HALTED)
3615 qeth_halt_channels(struct qeth_card *card)
3617 int rc1 = 0, rc2=0, rc3 = 0;
3619 QETH_DBF_TEXT(trace,3,"haltchs");
3620 rc1 = qeth_halt_channel(&card->read);
3621 rc2 = qeth_halt_channel(&card->write);
3622 rc3 = qeth_halt_channel(&card->data);
3630 qeth_clear_channels(struct qeth_card *card)
3632 int rc1 = 0, rc2=0, rc3 = 0;
3634 QETH_DBF_TEXT(trace,3,"clearchs");
3635 rc1 = qeth_clear_channel(&card->read);
3636 rc2 = qeth_clear_channel(&card->write);
3637 rc3 = qeth_clear_channel(&card->data);
3646 qeth_clear_halt_card(struct qeth_card *card, int halt)
3650 QETH_DBF_TEXT(trace,3,"clhacrd");
3651 QETH_DBF_HEX(trace, 3, &card, sizeof(void *));
3654 rc = qeth_halt_channels(card);
3657 return qeth_clear_channels(card);
3661 qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
3665 QETH_DBF_TEXT(trace,3,"qdioclr");
3666 switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED,
3667 QETH_QDIO_CLEANING)) {
3668 case QETH_QDIO_ESTABLISHED:
3669 if ((rc = qdio_cleanup(CARD_DDEV(card),
3670 (card->info.type == QETH_CARD_TYPE_IQD) ?
3671 QDIO_FLAG_CLEANUP_USING_HALT :
3672 QDIO_FLAG_CLEANUP_USING_CLEAR)))
3673 QETH_DBF_TEXT_(trace, 3, "1err%d", rc);
3674 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
3676 case QETH_QDIO_CLEANING:
3681 if ((rc = qeth_clear_halt_card(card, use_halt)))
3682 QETH_DBF_TEXT_(trace, 3, "2err%d", rc);
3683 card->state = CARD_STATE_DOWN;
3688 qeth_dm_act(struct qeth_card *card)
3691 struct qeth_cmd_buffer *iob;
3693 QETH_DBF_TEXT(setup,2,"dmact");
3695 iob = qeth_wait_for_buffer(&card->write);
3696 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
3698 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
3699 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
3700 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
3701 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
3702 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
3707 qeth_mpc_initialize(struct qeth_card *card)
3711 QETH_DBF_TEXT(setup,2,"mpcinit");
3713 if ((rc = qeth_issue_next_read(card))){
3714 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
3717 if ((rc = qeth_cm_enable(card))){
3718 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
3721 if ((rc = qeth_cm_setup(card))){
3722 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
3725 if ((rc = qeth_ulp_enable(card))){
3726 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
3729 if ((rc = qeth_ulp_setup(card))){
3730 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3733 if ((rc = qeth_alloc_qdio_buffers(card))){
3734 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
3737 if ((rc = qeth_qdio_establish(card))){
3738 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
3739 qeth_free_qdio_buffers(card);
3742 if ((rc = qeth_qdio_activate(card))){
3743 QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
3746 if ((rc = qeth_dm_act(card))){
3747 QETH_DBF_TEXT_(setup, 2, "8err%d", rc);
3753 qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
3757 static struct net_device *
3758 qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
3760 struct net_device *dev = NULL;
3763 case QETH_CARD_TYPE_OSAE:
3765 case QETH_LINK_TYPE_LANE_TR:
3766 case QETH_LINK_TYPE_HSTR:
3768 dev = alloc_trdev(0);
3769 #endif /* CONFIG_TR */
3772 dev = alloc_etherdev(0);
3775 case QETH_CARD_TYPE_IQD:
3776 dev = alloc_netdev(0, "hsi%d", ether_setup);
3778 case QETH_CARD_TYPE_OSN:
3779 dev = alloc_netdev(0, "osn%d", ether_setup);
3782 dev = alloc_etherdev(0);
3787 /*hard_header fake function; used in case fake_ll is set */
3789 qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
3790 unsigned short type, void *daddr, void *saddr,
3793 if(dev->type == ARPHRD_IEEE802_TR){
3794 struct trh_hdr *hdr;
3795 hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR);
3796 memcpy(hdr->saddr, dev->dev_addr, TR_ALEN);
3797 memcpy(hdr->daddr, "FAKELL", TR_ALEN);
3798 return QETH_FAKE_LL_LEN_TR;
3802 hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH);
3803 memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN);
3804 memcpy(hdr->h_dest, "FAKELL", ETH_ALEN);
3805 if (type != ETH_P_802_3)
3806 hdr->h_proto = htons(type);
3808 hdr->h_proto = htons(len);
3809 return QETH_FAKE_LL_LEN_ETH;
3815 qeth_send_packet(struct qeth_card *, struct sk_buff *);
3818 qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
3821 struct qeth_card *card;
3823 QETH_DBF_TEXT(trace, 6, "hrdstxmi");
3824 card = (struct qeth_card *)dev->priv;
3826 card->stats.tx_dropped++;
3827 card->stats.tx_errors++;
3828 /* return OK; otherwise ksoftirqd goes to 100% */
3829 return NETDEV_TX_OK;
3831 if ((card->state != CARD_STATE_UP) || !card->lan_online) {
3832 card->stats.tx_dropped++;
3833 card->stats.tx_errors++;
3834 card->stats.tx_carrier_errors++;
3835 dev_kfree_skb_any(skb);
3836 /* return OK; otherwise ksoftirqd goes to 100% */
3837 return NETDEV_TX_OK;
3839 if (card->options.performance_stats) {
3840 card->perf_stats.outbound_cnt++;
3841 card->perf_stats.outbound_start_time = qeth_get_micros();
3843 netif_stop_queue(dev);
3844 if ((rc = qeth_send_packet(card, skb))) {
3846 return NETDEV_TX_BUSY;
3848 card->stats.tx_errors++;
3849 card->stats.tx_dropped++;
3850 dev_kfree_skb_any(skb);
3851 /*set to OK; otherwise ksoftirqd goes to 100% */
3855 netif_wake_queue(dev);
3856 if (card->options.performance_stats)
3857 card->perf_stats.outbound_time += qeth_get_micros() -
3858 card->perf_stats.outbound_start_time;
3863 qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card)
3866 #ifdef CONFIG_QETH_VLAN
3867 struct vlan_group *vg;
3870 if (!(vg = card->vlangrp))
3873 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){
3874 if (vlan_group_get_device(vg, i) == dev){
3875 rc = QETH_VLAN_CARD;
3879 if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card))
3887 qeth_verify_dev(struct net_device *dev)
3889 struct qeth_card *card;
3890 unsigned long flags;
3893 read_lock_irqsave(&qeth_card_list.rwlock, flags);
3894 list_for_each_entry(card, &qeth_card_list.list, list){
3895 if (card->dev == dev){
3896 rc = QETH_REAL_CARD;
3899 rc = qeth_verify_vlan_dev(dev, card);
3903 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
3908 static struct qeth_card *
3909 qeth_get_card_from_dev(struct net_device *dev)
3911 struct qeth_card *card = NULL;
3914 rc = qeth_verify_dev(dev);
3915 if (rc == QETH_REAL_CARD)
3916 card = (struct qeth_card *)dev->priv;
3917 else if (rc == QETH_VLAN_CARD)
3918 card = (struct qeth_card *)
3919 VLAN_DEV_INFO(dev)->real_dev->priv;
3921 QETH_DBF_TEXT_(trace, 4, "%d", rc);
3926 qeth_tx_timeout(struct net_device *dev)
3928 struct qeth_card *card;
3930 card = (struct qeth_card *) dev->priv;
3931 card->stats.tx_errors++;
3932 qeth_schedule_recovery(card);
3936 qeth_open(struct net_device *dev)
3938 struct qeth_card *card;
3940 QETH_DBF_TEXT(trace, 4, "qethopen");
3942 card = (struct qeth_card *) dev->priv;
3944 if (card->state != CARD_STATE_SOFTSETUP)
3947 if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
3948 (card->options.layer2) &&
3949 (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
3950 QETH_DBF_TEXT(trace,4,"nomacadr");
3953 card->data.state = CH_STATE_UP;
3954 card->state = CARD_STATE_UP;
3955 card->dev->flags |= IFF_UP;
3956 netif_start_queue(dev);
3958 if (!card->lan_online && netif_carrier_ok(dev))
3959 netif_carrier_off(dev);
3964 qeth_stop(struct net_device *dev)
3966 struct qeth_card *card;
3968 QETH_DBF_TEXT(trace, 4, "qethstop");
3970 card = (struct qeth_card *) dev->priv;
3972 netif_tx_disable(dev);
3973 card->dev->flags &= ~IFF_UP;
3974 if (card->state == CARD_STATE_UP)
3975 card->state = CARD_STATE_SOFTSETUP;
3980 qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
3982 int cast_type = RTN_UNSPEC;
3984 if (card->info.type == QETH_CARD_TYPE_OSN)
3987 if (skb->dst && skb->dst->neighbour){
3988 cast_type = skb->dst->neighbour->type;
3989 if ((cast_type == RTN_BROADCAST) ||
3990 (cast_type == RTN_MULTICAST) ||
3991 (cast_type == RTN_ANYCAST))
3996 /* try something else */
3997 if (skb->protocol == ETH_P_IPV6)
3998 return (skb_network_header(skb)[24] == 0xff) ?
4000 else if (skb->protocol == ETH_P_IP)
4001 return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ?
4004 if (!memcmp(skb->data, skb->dev->broadcast, 6))
4005 return RTN_BROADCAST;
4009 hdr_mac = *((u16 *)skb->data);
4011 switch (card->info.link_type) {
4012 case QETH_LINK_TYPE_HSTR:
4013 case QETH_LINK_TYPE_LANE_TR:
4014 if ((hdr_mac == QETH_TR_MAC_NC) ||
4015 (hdr_mac == QETH_TR_MAC_C))
4016 return RTN_MULTICAST;
4018 /* eth or so multicast? */
4020 if ((hdr_mac == QETH_ETH_MAC_V4) ||
4021 (hdr_mac == QETH_ETH_MAC_V6))
4022 return RTN_MULTICAST;
4029 qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
4030 int ipv, int cast_type)
4032 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE))
4033 return card->qdio.default_out_queue;
4034 switch (card->qdio.no_out_queues) {
4036 if (cast_type && card->info.is_multicast_different)
4037 return card->info.is_multicast_different &
4038 (card->qdio.no_out_queues - 1);
4039 if (card->qdio.do_prio_queueing && (ipv == 4)) {
4040 const u8 tos = ip_hdr(skb)->tos;
4042 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){
4043 if (tos & IP_TOS_NOTIMPORTANT)
4045 if (tos & IP_TOS_HIGHRELIABILITY)
4047 if (tos & IP_TOS_HIGHTHROUGHPUT)
4049 if (tos & IP_TOS_LOWDELAY)
4052 if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC)
4053 return 3 - (tos >> 6);
4054 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
4057 return card->qdio.default_out_queue;
4058 case 1: /* fallthrough for single-out-queue 1920-device */
4060 return card->qdio.default_out_queue;
4065 qeth_get_ip_version(struct sk_buff *skb)
4067 switch (skb->protocol) {
4077 static struct qeth_hdr *
4078 __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv)
4080 #ifdef CONFIG_QETH_VLAN
4082 if (card->vlangrp && vlan_tx_tag_present(skb) &&
4083 ((ipv == 6) || card->options.layer2) ) {
4085 * Move the mac addresses (6 bytes src, 6 bytes dest)
4086 * to the beginning of the new header. We are using three
4087 * memcpys instead of one memmove to save cycles.
4089 skb_push(skb, VLAN_HLEN);
4090 skb_copy_to_linear_data(skb, skb->data + 4, 4);
4091 skb_copy_to_linear_data_offset(skb, 4, skb->data + 8, 4);
4092 skb_copy_to_linear_data_offset(skb, 8, skb->data + 12, 4);
4093 tag = (u16 *)(skb->data + 12);
4095 * first two bytes = ETH_P_8021Q (0x8100)
4096 * second two bytes = VLANID
4098 *tag = __constant_htons(ETH_P_8021Q);
4099 *(tag + 1) = htons(vlan_tx_tag_get(skb));
4102 return ((struct qeth_hdr *)
4103 qeth_push_skb(card, skb, sizeof(struct qeth_hdr)));
4107 __qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb)
4109 if (orig_skb != new_skb)
4110 dev_kfree_skb_any(new_skb);
4113 static struct sk_buff *
4114 qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb,
4115 struct qeth_hdr **hdr, int ipv)
4117 struct sk_buff *new_skb, *new_skb2;
4119 QETH_DBF_TEXT(trace, 6, "prepskb");
4121 new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
4124 new_skb2 = qeth_realloc_headroom(card, new_skb,
4125 sizeof(struct qeth_hdr));
4127 __qeth_free_new_skb(skb, new_skb);
4131 __qeth_free_new_skb(new_skb2, new_skb);
4133 *hdr = __qeth_prepare_skb(card, new_skb, ipv);
4135 __qeth_free_new_skb(skb, new_skb);
4142 qeth_get_qeth_hdr_flags4(int cast_type)
4144 if (cast_type == RTN_MULTICAST)
4145 return QETH_CAST_MULTICAST;
4146 if (cast_type == RTN_BROADCAST)
4147 return QETH_CAST_BROADCAST;
4148 return QETH_CAST_UNICAST;
4152 qeth_get_qeth_hdr_flags6(int cast_type)
4154 u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6;
4155 if (cast_type == RTN_MULTICAST)
4156 return ct | QETH_CAST_MULTICAST;
4157 if (cast_type == RTN_ANYCAST)
4158 return ct | QETH_CAST_ANYCAST;
4159 if (cast_type == RTN_BROADCAST)
4160 return ct | QETH_CAST_BROADCAST;
4161 return ct | QETH_CAST_UNICAST;
4165 qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
4166 struct sk_buff *skb)
4170 if (!memcmp(skb->data+QETH_HEADER_SIZE,
4171 skb->dev->broadcast,6)) { /* broadcast? */
4172 *(__u32 *)hdr->hdr.l2.flags |=
4173 QETH_LAYER2_FLAG_BROADCAST << 8;
4176 hdr_mac=*((__u16*)skb->data);
4178 switch (card->info.link_type) {
4179 case QETH_LINK_TYPE_HSTR:
4180 case QETH_LINK_TYPE_LANE_TR:
4181 if ((hdr_mac == QETH_TR_MAC_NC) ||
4182 (hdr_mac == QETH_TR_MAC_C) )
4183 *(__u32 *)hdr->hdr.l2.flags |=
4184 QETH_LAYER2_FLAG_MULTICAST << 8;
4186 *(__u32 *)hdr->hdr.l2.flags |=
4187 QETH_LAYER2_FLAG_UNICAST << 8;
4189 /* eth or so multicast? */
4191 if ( (hdr_mac==QETH_ETH_MAC_V4) ||
4192 (hdr_mac==QETH_ETH_MAC_V6) )
4193 *(__u32 *)hdr->hdr.l2.flags |=
4194 QETH_LAYER2_FLAG_MULTICAST << 8;
4196 *(__u32 *)hdr->hdr.l2.flags |=
4197 QETH_LAYER2_FLAG_UNICAST << 8;
4202 qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4203 struct sk_buff *skb, int cast_type)
4205 memset(hdr, 0, sizeof(struct qeth_hdr));
4206 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
4208 /* set byte 0 to "0x02" and byte 3 to casting flags */
4209 if (cast_type==RTN_MULTICAST)
4210 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
4211 else if (cast_type==RTN_BROADCAST)
4212 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
4214 qeth_layer2_get_packet_type(card, hdr, skb);
4216 hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
4217 #ifdef CONFIG_QETH_VLAN
4218 /* VSWITCH relies on the VLAN
4219 * information to be present in
4220 * the QDIO header */
4221 if ((card->vlangrp != NULL) &&
4222 vlan_tx_tag_present(skb)) {
4223 *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
4224 hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
4230 qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
4231 struct sk_buff *skb, int ipv, int cast_type)
4233 QETH_DBF_TEXT(trace, 6, "fillhdr");
4235 memset(hdr, 0, sizeof(struct qeth_hdr));
4236 if (card->options.layer2) {
4237 qeth_layer2_fill_header(card, hdr, skb, cast_type);
4240 hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
4241 hdr->hdr.l3.ext_flags = 0;
4242 #ifdef CONFIG_QETH_VLAN
4244 * before we're going to overwrite this location with next hop ip.
4245 * v6 uses passthrough, v4 sets the tag in the QDIO header.
4247 if (card->vlangrp && vlan_tx_tag_present(skb)) {
4248 hdr->hdr.l3.ext_flags = (ipv == 4) ?
4249 QETH_HDR_EXT_VLAN_FRAME :
4250 QETH_HDR_EXT_INCLUDE_VLAN_TAG;
4251 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
4253 #endif /* CONFIG_QETH_VLAN */
4254 hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
4255 if (ipv == 4) { /* IPv4 */
4256 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
4257 memset(hdr->hdr.l3.dest_addr, 0, 12);
4258 if ((skb->dst) && (skb->dst->neighbour)) {
4259 *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
4260 *((u32 *) skb->dst->neighbour->primary_key);
4262 /* fill in destination address used in ip header */
4263 *((u32 *)(&hdr->hdr.l3.dest_addr[12])) =
4266 } else if (ipv == 6) { /* IPv6 or passthru */
4267 hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
4268 if ((skb->dst) && (skb->dst->neighbour)) {
4269 memcpy(hdr->hdr.l3.dest_addr,
4270 skb->dst->neighbour->primary_key, 16);
4272 /* fill in destination address used in ip header */
4273 memcpy(hdr->hdr.l3.dest_addr,
4274 &ipv6_hdr(skb)->daddr, 16);
4276 } else { /* passthrough */
4277 if((skb->dev->type == ARPHRD_IEEE802_TR) &&
4278 !memcmp(skb->data + sizeof(struct qeth_hdr) +
4279 sizeof(__u16), skb->dev->broadcast, 6)) {
4280 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4282 } else if (!memcmp(skb->data + sizeof(struct qeth_hdr),
4283 skb->dev->broadcast, 6)) { /* broadcast? */
4284 hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
4287 hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
4288 QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
4289 QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
4295 __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
4296 int is_tso, int *next_element_to_fill)
4298 int length = skb->len;
4304 element = *next_element_to_fill;
4306 first_lap = (is_tso == 0 ? 1 : 0);
4308 while (length > 0) {
4309 /* length_here is the remaining amount of data in this page */
4310 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
4311 if (length < length_here)
4312 length_here = length;
4314 buffer->element[element].addr = data;
4315 buffer->element[element].length = length_here;
4316 length -= length_here;
4319 buffer->element[element].flags = 0;
4321 buffer->element[element].flags =
4322 SBAL_FLAGS_LAST_FRAG;
4325 buffer->element[element].flags =
4326 SBAL_FLAGS_FIRST_FRAG;
4328 buffer->element[element].flags =
4329 SBAL_FLAGS_MIDDLE_FRAG;
4331 data += length_here;
4335 *next_element_to_fill = element;
4339 qeth_fill_buffer(struct qeth_qdio_out_q *queue,
4340 struct qeth_qdio_out_buffer *buf,
4341 struct sk_buff *skb)
4343 struct qdio_buffer *buffer;
4344 struct qeth_hdr_tso *hdr;
4345 int flush_cnt = 0, hdr_len, large_send = 0;
4347 QETH_DBF_TEXT(trace, 6, "qdfillbf");
4349 buffer = buf->buffer;
4350 atomic_inc(&skb->users);
4351 skb_queue_tail(&buf->skb_list, skb);
4353 hdr = (struct qeth_hdr_tso *) skb->data;
4354 /*check first on TSO ....*/
4355 if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) {
4356 int element = buf->next_element_to_fill;
4358 hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len;
4359 /*fill first buffer entry only with header information */
4360 buffer->element[element].addr = skb->data;
4361 buffer->element[element].length = hdr_len;
4362 buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG;
4363 buf->next_element_to_fill++;
4364 skb->data += hdr_len;
4365 skb->len -= hdr_len;
4368 if (skb_shinfo(skb)->nr_frags == 0)
4369 __qeth_fill_buffer(skb, buffer, large_send,
4370 (int *)&buf->next_element_to_fill);
4372 __qeth_fill_buffer_frag(skb, buffer, large_send,
4373 (int *)&buf->next_element_to_fill);
4375 if (!queue->do_pack) {
4376 QETH_DBF_TEXT(trace, 6, "fillbfnp");
4377 /* set state to PRIMED -> will be flushed */
4378 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4381 QETH_DBF_TEXT(trace, 6, "fillbfpa");
4382 if (queue->card->options.performance_stats)
4383 queue->card->perf_stats.skbs_sent_pack++;
4384 if (buf->next_element_to_fill >=
4385 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
4387 * packed buffer if full -> set state PRIMED
4388 * -> will be flushed
4390 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
4398 qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4399 struct sk_buff *skb, struct qeth_hdr *hdr,
4400 int elements_needed,
4401 struct qeth_eddp_context *ctx)
4403 struct qeth_qdio_out_buffer *buffer;
4404 int buffers_needed = 0;
4408 QETH_DBF_TEXT(trace, 6, "dosndpfa");
4410 /* spin until we get the queue ... */
4411 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4412 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4413 /* ... now we've got the queue */
4414 index = queue->next_buf_to_fill;
4415 buffer = &queue->bufs[queue->next_buf_to_fill];
4417 * check if buffer is empty to make sure that we do not 'overtake'
4418 * ourselves and try to fill a buffer that is already primed
4420 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
4423 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
4424 QDIO_MAX_BUFFERS_PER_Q;
4426 buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx);
4427 if (buffers_needed < 0)
4429 queue->next_buf_to_fill =
4430 (queue->next_buf_to_fill + buffers_needed) %
4431 QDIO_MAX_BUFFERS_PER_Q;
4433 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4435 qeth_fill_buffer(queue, buffer, skb);
4436 qeth_flush_buffers(queue, 0, index, 1);
4438 flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
4439 WARN_ON(buffers_needed != flush_cnt);
4440 qeth_flush_buffers(queue, 0, index, flush_cnt);
4444 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4449 qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
4450 struct sk_buff *skb, struct qeth_hdr *hdr,
4451 int elements_needed, struct qeth_eddp_context *ctx)
4453 struct qeth_qdio_out_buffer *buffer;
4455 int flush_count = 0;
4460 QETH_DBF_TEXT(trace, 6, "dosndpkt");
4462 /* spin until we get the queue ... */
4463 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
4464 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
4465 start_index = queue->next_buf_to_fill;
4466 buffer = &queue->bufs[queue->next_buf_to_fill];
4468 * check if buffer is empty to make sure that we do not 'overtake'
4469 * ourselves and try to fill a buffer that is already primed
4471 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
4472 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4475 /* check if we need to switch packing state of this queue */
4476 qeth_switch_to_packing_if_needed(queue);
4477 if (queue->do_pack){
4480 /* does packet fit in current buffer? */
4481 if((QETH_MAX_BUFFER_ELEMENTS(card) -
4482 buffer->next_element_to_fill) < elements_needed){
4483 /* ... no -> set state PRIMED */
4484 atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED);
4486 queue->next_buf_to_fill =
4487 (queue->next_buf_to_fill + 1) %
4488 QDIO_MAX_BUFFERS_PER_Q;
4489 buffer = &queue->bufs[queue->next_buf_to_fill];
4490 /* we did a step forward, so check buffer state
4492 if (atomic_read(&buffer->state) !=
4493 QETH_QDIO_BUF_EMPTY){
4494 qeth_flush_buffers(queue, 0, start_index, flush_count);
4495 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
4500 /* check if we have enough elements (including following
4501 * free buffers) to handle eddp context */
4502 if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
4503 printk("eddp tx_dropped 1\n");
4510 tmp = qeth_fill_buffer(queue, buffer, skb);
4512 tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill);
4514 printk("eddp tx_dropped 2\n");
4519 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
4520 QDIO_MAX_BUFFERS_PER_Q;
4524 qeth_flush_buffers(queue, 0, start_index, flush_count);
4525 else if (!atomic_read(&queue->set_pci_flags_count))
4526 atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
4528 * queue->state will go from LOCKED -> UNLOCKED or from
4529 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4530 * (switch packing state or flush buffer to get another pci flag out).
4531 * In that case we will enter this loop
4533 while (atomic_dec_return(&queue->state)){
4535 start_index = queue->next_buf_to_fill;
4536 /* check if we can go back to non-packing state */
4537 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
4539 * check if we need to flush a packing buffer to get a pci
4540 * flag out on the queue
4542 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
4543 flush_count += qeth_flush_buffers_on_no_pci(queue);
4545 qeth_flush_buffers(queue, 0, start_index, flush_count);
4547 /* at this point the queue is UNLOCKED again */
4548 if (queue->card->options.performance_stats && do_pack)
4549 queue->card->perf_stats.bufs_sent_pack += flush_count;
4555 qeth_get_elements_no(struct qeth_card *card, void *hdr,
4556 struct sk_buff *skb, int elems)
4558 int elements_needed = 0;
4560 if (skb_shinfo(skb)->nr_frags > 0)
4561 elements_needed = (skb_shinfo(skb)->nr_frags + 1);
4562 if (elements_needed == 0)
4563 elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
4564 + skb->len) >> PAGE_SHIFT);
4565 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
4566 PRINT_ERR("Invalid size of IP packet "
4567 "(Number=%d / Length=%d). Discarded.\n",
4568 (elements_needed+elems), skb->len);
4571 return elements_needed;
4574 static void qeth_tx_csum(struct sk_buff *skb)
4578 if (skb->protocol == htons(ETH_P_IP)) {
4579 tlen = ntohs(ip_hdr(skb)->tot_len) - (ip_hdr(skb)->ihl << 2);
4580 switch (ip_hdr(skb)->protocol) {
4582 tcp_hdr(skb)->check = 0;
4583 tcp_hdr(skb)->check = csum_tcpudp_magic(
4584 ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
4585 tlen, ip_hdr(skb)->protocol,
4586 skb_checksum(skb, skb_transport_offset(skb),
4590 udp_hdr(skb)->check = 0;
4591 udp_hdr(skb)->check = csum_tcpudp_magic(
4592 ip_hdr(skb)->saddr, ip_hdr(skb)->daddr,
4593 tlen, ip_hdr(skb)->protocol,
4594 skb_checksum(skb, skb_transport_offset(skb),
4598 } else if (skb->protocol == htons(ETH_P_IPV6)) {
4599 switch (ipv6_hdr(skb)->nexthdr) {
4601 tcp_hdr(skb)->check = 0;
4602 tcp_hdr(skb)->check = csum_ipv6_magic(
4603 &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
4604 ipv6_hdr(skb)->payload_len,
4605 ipv6_hdr(skb)->nexthdr,
4606 skb_checksum(skb, skb_transport_offset(skb),
4607 ipv6_hdr(skb)->payload_len, 0));
4610 udp_hdr(skb)->check = 0;
4611 udp_hdr(skb)->check = csum_ipv6_magic(
4612 &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
4613 ipv6_hdr(skb)->payload_len,
4614 ipv6_hdr(skb)->nexthdr,
4615 skb_checksum(skb, skb_transport_offset(skb),
4616 ipv6_hdr(skb)->payload_len, 0));
4623 qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
4627 struct qeth_qdio_out_q *queue;
4628 struct qeth_hdr *hdr = NULL;
4629 int elements_needed = 0;
4630 enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
4631 struct qeth_eddp_context *ctx = NULL;
4632 int tx_bytes = skb->len;
4633 unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
4634 unsigned short tso_size = skb_shinfo(skb)->gso_size;
4635 struct sk_buff *new_skb, *new_skb2;
4638 QETH_DBF_TEXT(trace, 6, "sendpkt");
4641 if ((card->info.type == QETH_CARD_TYPE_OSN) &&
4642 (skb->protocol == htons(ETH_P_IPV6)))
4644 cast_type = qeth_get_cast_type(card, skb);
4645 if ((cast_type == RTN_BROADCAST) &&
4646 (card->info.broadcast_capable == 0))
4648 queue = card->qdio.out_qs
4649 [qeth_get_priority_queue(card, skb, ipv, cast_type)];
4650 if (!card->options.layer2) {
4651 ipv = qeth_get_ip_version(skb);
4652 if ((card->dev->hard_header == qeth_fake_header) && ipv) {
4653 new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
4656 if(card->dev->type == ARPHRD_IEEE802_TR){
4657 skb_pull(new_skb, QETH_FAKE_LL_LEN_TR);
4659 skb_pull(new_skb, QETH_FAKE_LL_LEN_ETH);
4663 if (skb_is_gso(skb))
4664 large_send = card->options.large_send;
4665 /* check on OSN device*/
4666 if (card->info.type == QETH_CARD_TYPE_OSN)
4667 hdr = (struct qeth_hdr *)new_skb->data;
4668 /*are we able to do TSO ? */
4669 if ((large_send == QETH_LARGE_SEND_TSO) &&
4670 (cast_type == RTN_UNSPEC)) {
4671 rc = qeth_tso_prepare_packet(card, new_skb, ipv, cast_type);
4673 __qeth_free_new_skb(skb, new_skb);
4677 } else if (card->info.type != QETH_CARD_TYPE_OSN) {
4678 new_skb2 = qeth_prepare_skb(card, new_skb, &hdr, ipv);
4680 __qeth_free_new_skb(skb, new_skb);
4684 __qeth_free_new_skb(new_skb2, new_skb);
4686 qeth_fill_header(card, hdr, new_skb, ipv, cast_type);
4688 if (large_send == QETH_LARGE_SEND_EDDP) {
4689 ctx = qeth_eddp_create_context(card, new_skb, hdr,
4690 skb->sk->sk_protocol);
4692 __qeth_free_new_skb(skb, new_skb);
4693 PRINT_WARN("could not create eddp context\n");
4697 int elems = qeth_get_elements_no(card,(void*) hdr, new_skb,
4700 __qeth_free_new_skb(skb, new_skb);
4703 elements_needed += elems;
4706 if ((large_send == QETH_LARGE_SEND_NO) &&
4707 (skb->ip_summed == CHECKSUM_PARTIAL))
4708 qeth_tx_csum(new_skb);
4710 if (card->info.type != QETH_CARD_TYPE_IQD)
4711 rc = qeth_do_send_packet(card, queue, new_skb, hdr,
4712 elements_needed, ctx);
4714 if ((skb->protocol == htons(ETH_P_ARP)) &&
4715 (card->dev->flags & IFF_NOARP)) {
4716 __qeth_free_new_skb(skb, new_skb);
4719 rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
4720 elements_needed, ctx);
4723 card->stats.tx_packets++;
4724 card->stats.tx_bytes += tx_bytes;
4726 dev_kfree_skb_any(skb);
4727 if (card->options.performance_stats) {
4729 !(large_send == QETH_LARGE_SEND_NO)) {
4730 card->perf_stats.large_send_bytes += tx_bytes;
4731 card->perf_stats.large_send_cnt++;
4734 card->perf_stats.sg_skbs_sent++;
4735 /* nr_frags + skb->data */
4736 card->perf_stats.sg_frags_sent +=
4741 card->stats.tx_dropped++;
4742 __qeth_free_new_skb(skb, new_skb);
4745 /* drop creator's reference */
4746 qeth_eddp_put_context(ctx);
4747 /* free skb; it's not referenced by a buffer */
4749 dev_kfree_skb_any(new_skb);
4755 qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4757 struct qeth_card *card = (struct qeth_card *) dev->priv;
4761 case MII_BMCR: /* Basic mode control register */
4763 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
4764 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4765 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4766 rc |= BMCR_SPEED100;
4768 case MII_BMSR: /* Basic mode status register */
4769 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4770 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4773 case MII_PHYSID1: /* PHYS ID 1 */
4774 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4776 rc = (rc >> 5) & 0xFFFF;
4778 case MII_PHYSID2: /* PHYS ID 2 */
4779 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4781 case MII_ADVERTISE: /* Advertisement control reg */
4784 case MII_LPA: /* Link partner ability reg */
4785 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4786 LPA_100BASE4 | LPA_LPACK;
4788 case MII_EXPANSION: /* Expansion register */
4790 case MII_DCOUNTER: /* disconnect counter */
4792 case MII_FCSCOUNTER: /* false carrier counter */
4794 case MII_NWAYTEST: /* N-way auto-neg test register */
4796 case MII_RERRCOUNTER: /* rx error counter */
4797 rc = card->stats.rx_errors;
4799 case MII_SREVISION: /* silicon revision */
4801 case MII_RESV1: /* reserved 1 */
4803 case MII_LBRERROR: /* loopback, rx, bypass error */
4805 case MII_PHYADDR: /* physical address */
4807 case MII_RESV2: /* reserved 2 */
4809 case MII_TPISTATUS: /* TPI status for 10mbps */
4811 case MII_NCONFIG: /* network interface config */
4821 qeth_arp_get_error_cause(int *rc)
4824 case QETH_IPA_ARP_RC_FAILED:
4826 return "operation failed";
4827 case QETH_IPA_ARP_RC_NOTSUPP:
4829 return "operation not supported";
4830 case QETH_IPA_ARP_RC_OUT_OF_RANGE:
4832 return "argument out of range";
4833 case QETH_IPA_ARP_RC_Q_NOTSUPP:
4835 return "query operation not supported";
4836 case QETH_IPA_ARP_RC_Q_NO_DATA:
4838 return "no query data available";
4840 return "unknown error";
4845 qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
4849 qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
4854 QETH_DBF_TEXT(trace,3,"arpstnoe");
4857 * currently GuestLAN only supports the ARP assist function
4858 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4859 * thus we say EOPNOTSUPP for this ARP function
4861 if (card->info.guestlan)
4863 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
4864 PRINT_WARN("ARP processing not supported "
4865 "on %s!\n", QETH_CARD_IFNAME(card));
4868 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
4869 IPA_CMD_ASS_ARP_SET_NO_ENTRIES,
4873 PRINT_WARN("Could not set number of ARP entries on %s: "
4875 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
4882 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
4883 struct qeth_arp_query_data *qdata,
4884 int entry_size, int uentry_size)
4890 entry_ptr = (char *)&qdata->data;
4891 uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
4892 for (i = 0; i < qdata->no_entries; ++i){
4893 /* strip off 32 bytes "media specific information" */
4894 memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
4895 entry_ptr += entry_size;
4896 uentry_ptr += uentry_size;
4901 qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply,
4904 struct qeth_ipa_cmd *cmd;
4905 struct qeth_arp_query_data *qdata;
4906 struct qeth_arp_query_info *qinfo;
4911 QETH_DBF_TEXT(trace,4,"arpquecb");
4913 qinfo = (struct qeth_arp_query_info *) reply->param;
4914 cmd = (struct qeth_ipa_cmd *) data;
4915 if (cmd->hdr.return_code) {
4916 QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code);
4919 if (cmd->data.setassparms.hdr.return_code) {
4920 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
4921 QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code);
4924 qdata = &cmd->data.setassparms.data.query_arp;
4925 switch(qdata->reply_bits){
4927 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
4928 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4929 uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
4932 /* fall through to default */
4934 /* tr is the same as eth -> entry7 */
4935 uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
4936 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4937 uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
4940 /* check if there is enough room in userspace */
4941 if ((qinfo->udata_len - qinfo->udata_offset) <
4942 qdata->no_entries * uentry_size){
4943 QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM);
4944 cmd->hdr.return_code = -ENOMEM;
4945 PRINT_WARN("query ARP user space buffer is too small for "
4946 "the returned number of ARP entries. "
4947 "Aborting query!\n");
4950 QETH_DBF_TEXT_(trace, 4, "anore%i",
4951 cmd->data.setassparms.hdr.number_of_replies);
4952 QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
4953 QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries);
4955 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
4956 /* strip off "media specific information" */
4957 qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size,
4960 /*copy entries to user buffer*/
4961 memcpy(qinfo->udata + qinfo->udata_offset,
4962 (char *)&qdata->data, qdata->no_entries*uentry_size);
4964 qinfo->no_entries += qdata->no_entries;
4965 qinfo->udata_offset += (qdata->no_entries*uentry_size);
4966 /* check if all replies received ... */
4967 if (cmd->data.setassparms.hdr.seq_no <
4968 cmd->data.setassparms.hdr.number_of_replies)
4970 memcpy(qinfo->udata, &qinfo->no_entries, 4);
4971 /* keep STRIP_ENTRIES flag so the user program can distinguish
4972 * stripped entries from normal ones */
4973 if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
4974 qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
4975 memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2);
4979 memcpy(qinfo->udata, &i, 4);
4984 qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
4985 int len, int (*reply_cb)(struct qeth_card *,
4986 struct qeth_reply *,
4990 QETH_DBF_TEXT(trace,4,"sendarp");
4992 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4993 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4994 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4995 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4996 reply_cb, reply_param);
5000 qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
5001 int len, int (*reply_cb)(struct qeth_card *,
5002 struct qeth_reply *,
5008 QETH_DBF_TEXT(trace,4,"sendsnmp");
5010 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
5011 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
5012 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
5013 /* adjust PDU length fields in IPA_PDU_HEADER */
5014 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
5016 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
5017 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
5018 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
5019 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
5020 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
5021 reply_cb, reply_param);
5024 static struct qeth_cmd_buffer *
5025 qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs,
5026 __u16, __u16, enum qeth_prot_versions);
5028 qeth_arp_query(struct qeth_card *card, char __user *udata)
5030 struct qeth_cmd_buffer *iob;
5031 struct qeth_arp_query_info qinfo = {0, };
5035 QETH_DBF_TEXT(trace,3,"arpquery");
5037 if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
5038 IPA_ARP_PROCESSING)) {
5039 PRINT_WARN("ARP processing not supported "
5040 "on %s!\n", QETH_CARD_IFNAME(card));
5043 /* get size of userspace buffer and mask_bits -> 6 bytes */
5044 if (copy_from_user(&qinfo, udata, 6))
5046 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
5048 qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
5049 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5050 IPA_CMD_ASS_ARP_QUERY_INFO,
5051 sizeof(int),QETH_PROT_IPV4);
5053 rc = qeth_send_ipa_arp_cmd(card, iob,
5054 QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
5055 qeth_arp_query_cb, (void *)&qinfo);
5058 PRINT_WARN("Error while querying ARP cache on %s: %s "
5060 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5062 if (copy_to_user(udata, qinfo.udata, 4))
5065 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
5073 * SNMP command callback
5076 qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply,
5077 unsigned long sdata)
5079 struct qeth_ipa_cmd *cmd;
5080 struct qeth_arp_query_info *qinfo;
5081 struct qeth_snmp_cmd *snmp;
5082 unsigned char *data;
5085 QETH_DBF_TEXT(trace,3,"snpcmdcb");
5087 cmd = (struct qeth_ipa_cmd *) sdata;
5088 data = (unsigned char *)((char *)cmd - reply->offset);
5089 qinfo = (struct qeth_arp_query_info *) reply->param;
5090 snmp = &cmd->data.setadapterparms.data.snmp;
5092 if (cmd->hdr.return_code) {
5093 QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code);
5096 if (cmd->data.setadapterparms.hdr.return_code) {
5097 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
5098 QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code);
5101 data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data));
5102 if (cmd->data.setadapterparms.hdr.seq_no == 1)
5103 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
5105 data_len -= (__u16)((char*)&snmp->request - (char *)cmd);
5107 /* check if there is enough room in userspace */
5108 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
5109 QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM);
5110 cmd->hdr.return_code = -ENOMEM;
5113 QETH_DBF_TEXT_(trace, 4, "snore%i",
5114 cmd->data.setadapterparms.hdr.used_total);
5115 QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no);
5116 /*copy entries to user buffer*/
5117 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
5118 memcpy(qinfo->udata + qinfo->udata_offset,
5120 data_len + offsetof(struct qeth_snmp_cmd,data));
5121 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
5123 memcpy(qinfo->udata + qinfo->udata_offset,
5124 (char *)&snmp->request, data_len);
5126 qinfo->udata_offset += data_len;
5127 /* check if all replies received ... */
5128 QETH_DBF_TEXT_(trace, 4, "srtot%i",
5129 cmd->data.setadapterparms.hdr.used_total);
5130 QETH_DBF_TEXT_(trace, 4, "srseq%i",
5131 cmd->data.setadapterparms.hdr.seq_no);
5132 if (cmd->data.setadapterparms.hdr.seq_no <
5133 cmd->data.setadapterparms.hdr.used_total)
5138 static struct qeth_cmd_buffer *
5139 qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds,
5140 enum qeth_prot_versions );
5142 static struct qeth_cmd_buffer *
5143 qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen)
5145 struct qeth_cmd_buffer *iob;
5146 struct qeth_ipa_cmd *cmd;
5148 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS,
5150 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5151 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
5152 cmd->data.setadapterparms.hdr.command_code = command;
5153 cmd->data.setadapterparms.hdr.used_total = 1;
5154 cmd->data.setadapterparms.hdr.seq_no = 1;
5160 * function to send SNMP commands to OSA-E card
5163 qeth_snmp_command(struct qeth_card *card, char __user *udata)
5165 struct qeth_cmd_buffer *iob;
5166 struct qeth_ipa_cmd *cmd;
5167 struct qeth_snmp_ureq *ureq;
5169 struct qeth_arp_query_info qinfo = {0, };
5172 QETH_DBF_TEXT(trace,3,"snmpcmd");
5174 if (card->info.guestlan)
5177 if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) &&
5178 (!card->options.layer2) ) {
5179 PRINT_WARN("SNMP Query MIBS not supported "
5180 "on %s!\n", QETH_CARD_IFNAME(card));
5183 /* skip 4 bytes (data_len struct member) to get req_len */
5184 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
5186 ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL);
5188 QETH_DBF_TEXT(trace, 2, "snmpnome");
5191 if (copy_from_user(ureq, udata,
5192 req_len+sizeof(struct qeth_snmp_ureq_hdr))){
5196 qinfo.udata_len = ureq->hdr.data_len;
5197 if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
5201 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
5203 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
5204 QETH_SNMP_SETADP_CMDLENGTH + req_len);
5205 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5206 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
5207 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
5208 qeth_snmp_command_cb, (void *)&qinfo);
5210 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
5211 QETH_CARD_IFNAME(card), rc);
5213 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
5223 qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *,
5227 qeth_default_setadapterparms_cb(struct qeth_card *card,
5228 struct qeth_reply *reply,
5229 unsigned long data);
5231 qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *,
5234 (struct qeth_card *, struct qeth_reply *, unsigned long),
5238 qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5240 struct qeth_cmd_buffer *iob;
5245 QETH_DBF_TEXT(trace,3,"arpadent");
5248 * currently GuestLAN only supports the ARP assist function
5249 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
5250 * thus we say EOPNOTSUPP for this ARP function
5252 if (card->info.guestlan)
5254 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5255 PRINT_WARN("ARP processing not supported "
5256 "on %s!\n", QETH_CARD_IFNAME(card));
5260 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5261 IPA_CMD_ASS_ARP_ADD_ENTRY,
5262 sizeof(struct qeth_arp_cache_entry),
5264 rc = qeth_send_setassparms(card, iob,
5265 sizeof(struct qeth_arp_cache_entry),
5266 (unsigned long) entry,
5267 qeth_default_setassparms_cb, NULL);
5270 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5271 PRINT_WARN("Could not add ARP entry for address %s on %s: "
5273 buf, QETH_CARD_IFNAME(card),
5274 qeth_arp_get_error_cause(&rc), tmp, tmp);
5280 qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
5282 struct qeth_cmd_buffer *iob;
5283 char buf[16] = {0, };
5287 QETH_DBF_TEXT(trace,3,"arprment");
5290 * currently GuestLAN only supports the ARP assist function
5291 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5292 * thus we say EOPNOTSUPP for this ARP function
5294 if (card->info.guestlan)
5296 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5297 PRINT_WARN("ARP processing not supported "
5298 "on %s!\n", QETH_CARD_IFNAME(card));
5301 memcpy(buf, entry, 12);
5302 iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
5303 IPA_CMD_ASS_ARP_REMOVE_ENTRY,
5306 rc = qeth_send_setassparms(card, iob,
5307 12, (unsigned long)buf,
5308 qeth_default_setassparms_cb, NULL);
5312 qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
5313 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5315 buf, QETH_CARD_IFNAME(card),
5316 qeth_arp_get_error_cause(&rc), tmp, tmp);
5322 qeth_arp_flush_cache(struct qeth_card *card)
5327 QETH_DBF_TEXT(trace,3,"arpflush");
5330 * currently GuestLAN only supports the ARP assist function
5331 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5332 * thus we say EOPNOTSUPP for this ARP function
5334 if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
5336 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
5337 PRINT_WARN("ARP processing not supported "
5338 "on %s!\n", QETH_CARD_IFNAME(card));
5341 rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING,
5342 IPA_CMD_ASS_ARP_FLUSH_CACHE, 0);
5345 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5346 QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
5353 qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5355 struct qeth_card *card = (struct qeth_card *)dev->priv;
5356 struct qeth_arp_cache_entry arp_entry;
5357 struct mii_ioctl_data *mii_data;
5363 if ((card->state != CARD_STATE_UP) &&
5364 (card->state != CARD_STATE_SOFTSETUP))
5367 if (card->info.type == QETH_CARD_TYPE_OSN)
5371 case SIOC_QETH_ARP_SET_NO_ENTRIES:
5372 if ( !capable(CAP_NET_ADMIN) ||
5373 (card->options.layer2) ) {
5377 rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
5379 case SIOC_QETH_ARP_QUERY_INFO:
5380 if ( !capable(CAP_NET_ADMIN) ||
5381 (card->options.layer2) ) {
5385 rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
5387 case SIOC_QETH_ARP_ADD_ENTRY:
5388 if ( !capable(CAP_NET_ADMIN) ||
5389 (card->options.layer2) ) {
5393 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5394 sizeof(struct qeth_arp_cache_entry)))
5397 rc = qeth_arp_add_entry(card, &arp_entry);
5399 case SIOC_QETH_ARP_REMOVE_ENTRY:
5400 if ( !capable(CAP_NET_ADMIN) ||
5401 (card->options.layer2) ) {
5405 if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data,
5406 sizeof(struct qeth_arp_cache_entry)))
5409 rc = qeth_arp_remove_entry(card, &arp_entry);
5411 case SIOC_QETH_ARP_FLUSH_CACHE:
5412 if ( !capable(CAP_NET_ADMIN) ||
5413 (card->options.layer2) ) {
5417 rc = qeth_arp_flush_cache(card);
5419 case SIOC_QETH_ADP_SET_SNMP_CONTROL:
5420 rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
5422 case SIOC_QETH_GET_CARD_TYPE:
5423 if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
5424 !card->info.guestlan)
5429 mii_data = if_mii(rq);
5430 mii_data->phy_id = 0;
5433 mii_data = if_mii(rq);
5434 if (mii_data->phy_id != 0)
5437 mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id,
5444 QETH_DBF_TEXT_(trace, 2, "ioce%d", rc);
5448 static struct net_device_stats *
5449 qeth_get_stats(struct net_device *dev)
5451 struct qeth_card *card;
5453 card = (struct qeth_card *) (dev->priv);
5455 QETH_DBF_TEXT(trace,5,"getstat");
5457 return &card->stats;
5461 qeth_change_mtu(struct net_device *dev, int new_mtu)
5463 struct qeth_card *card;
5466 card = (struct qeth_card *) (dev->priv);
5468 QETH_DBF_TEXT(trace,4,"chgmtu");
5469 sprintf(dbf_text, "%8x", new_mtu);
5470 QETH_DBF_TEXT(trace,4,dbf_text);
5474 if (new_mtu > 65535)
5476 if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) &&
5477 (!qeth_mtu_is_valid(card, new_mtu)))
5483 #ifdef CONFIG_QETH_VLAN
5485 qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
5487 struct qeth_card *card;
5488 unsigned long flags;
5490 QETH_DBF_TEXT(trace,4,"vlanreg");
5492 card = (struct qeth_card *) dev->priv;
5493 spin_lock_irqsave(&card->vlanlock, flags);
5494 card->vlangrp = grp;
5495 spin_unlock_irqrestore(&card->vlanlock, flags);
5499 qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
5503 struct sk_buff *skb;
5504 struct sk_buff_head tmp_list;
5506 skb_queue_head_init(&tmp_list);
5507 lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key);
5508 for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){
5509 while ((skb = skb_dequeue(&buf->skb_list))){
5510 if (vlan_tx_tag_present(skb) &&
5511 (vlan_tx_tag_get(skb) == vid)) {
5512 atomic_dec(&skb->users);
5515 skb_queue_tail(&tmp_list, skb);
5518 while ((skb = skb_dequeue(&tmp_list)))
5519 skb_queue_tail(&buf->skb_list, skb);
5523 qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid)
5527 QETH_DBF_TEXT(trace, 4, "frvlskbs");
5528 for (i = 0; i < card->qdio.no_out_queues; ++i){
5529 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
5530 qeth_free_vlan_buffer(card, &card->qdio.
5531 out_qs[i]->bufs[j], vid);
5536 qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
5538 struct in_device *in_dev;
5539 struct in_ifaddr *ifa;
5540 struct qeth_ipaddr *addr;
5542 QETH_DBF_TEXT(trace, 4, "frvaddr4");
5545 in_dev = __in_dev_get_rcu(vlan_group_get_device(card->vlangrp, vid));
5548 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
5549 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
5551 addr->u.a4.addr = ifa->ifa_address;
5552 addr->u.a4.mask = ifa->ifa_mask;
5553 addr->type = QETH_IP_TYPE_NORMAL;
5554 if (!qeth_delete_ip(card, addr))
5563 qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid)
5565 #ifdef CONFIG_QETH_IPV6
5566 struct inet6_dev *in6_dev;
5567 struct inet6_ifaddr *ifa;
5568 struct qeth_ipaddr *addr;
5570 QETH_DBF_TEXT(trace, 4, "frvaddr6");
5572 in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid));
5575 for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){
5576 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
5578 memcpy(&addr->u.a6.addr, &ifa->addr,
5579 sizeof(struct in6_addr));
5580 addr->u.a6.pfxlen = ifa->prefix_len;
5581 addr->type = QETH_IP_TYPE_NORMAL;
5582 if (!qeth_delete_ip(card, addr))
5586 in6_dev_put(in6_dev);
5587 #endif /* CONFIG_QETH_IPV6 */
5591 qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid)
5593 if (card->options.layer2 || !card->vlangrp)
5595 qeth_free_vlan_addresses4(card, vid);
5596 qeth_free_vlan_addresses6(card, vid);
5600 qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
5601 struct qeth_reply *reply,
5604 struct qeth_ipa_cmd *cmd;
5606 QETH_DBF_TEXT(trace, 2, "L2sdvcb");
5607 cmd = (struct qeth_ipa_cmd *) data;
5608 if (cmd->hdr.return_code) {
5609 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5610 "Continuing\n",cmd->data.setdelvlan.vlan_id,
5611 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
5612 QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
5613 QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
5614 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
5620 qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
5621 enum qeth_ipa_cmds ipacmd)
5623 struct qeth_ipa_cmd *cmd;
5624 struct qeth_cmd_buffer *iob;
5626 QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd);
5627 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
5628 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
5629 cmd->data.setdelvlan.vlan_id = i;
5630 return qeth_send_ipa_cmd(card, iob,
5631 qeth_layer2_send_setdelvlan_cb, NULL);
5635 qeth_layer2_process_vlans(struct qeth_card *card, int clear)
5639 QETH_DBF_TEXT(trace, 3, "L2prcvln");
5643 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5644 if (vlan_group_get_device(card->vlangrp, i) == NULL)
5647 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
5649 qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
5653 /*add_vid is layer 2 used only ....*/
5655 qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
5657 struct qeth_card *card;
5659 QETH_DBF_TEXT_(trace, 4, "aid:%d", vid);
5661 card = (struct qeth_card *) dev->priv;
5662 if (!card->options.layer2)
5664 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
5667 /*... kill_vid used for both modes*/
5669 qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
5671 struct qeth_card *card;
5672 unsigned long flags;
5674 QETH_DBF_TEXT_(trace, 4, "kid:%d", vid);
5676 card = (struct qeth_card *) dev->priv;
5677 /* free all skbs for the vlan device */
5678 qeth_free_vlan_skbs(card, vid);
5679 spin_lock_irqsave(&card->vlanlock, flags);
5680 /* unregister IP addresses of vlan device */
5681 qeth_free_vlan_addresses(card, vid);
5682 vlan_group_set_device(card->vlangrp, vid, NULL);
5683 spin_unlock_irqrestore(&card->vlanlock, flags);
5684 if (card->options.layer2)
5685 qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
5686 qeth_set_multicast_list(card->dev);
5690 * Examine hardware response to SET_PROMISC_MODE
5693 qeth_setadp_promisc_mode_cb(struct qeth_card *card,
5694 struct qeth_reply *reply,
5697 struct qeth_ipa_cmd *cmd;
5698 struct qeth_ipacmd_setadpparms *setparms;
5700 QETH_DBF_TEXT(trace,4,"prmadpcb");
5702 cmd = (struct qeth_ipa_cmd *) data;
5703 setparms = &(cmd->data.setadapterparms);
5705 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
5706 if (cmd->hdr.return_code) {
5707 QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
5708 setparms->data.mode = SET_PROMISC_MODE_OFF;
5710 card->info.promisc_mode = setparms->data.mode;
5714 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5717 qeth_setadp_promisc_mode(struct qeth_card *card)
5719 enum qeth_ipa_promisc_modes mode;
5720 struct net_device *dev = card->dev;
5721 struct qeth_cmd_buffer *iob;
5722 struct qeth_ipa_cmd *cmd;
5724 QETH_DBF_TEXT(trace, 4, "setprom");
5726 if (((dev->flags & IFF_PROMISC) &&
5727 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
5728 (!(dev->flags & IFF_PROMISC) &&
5729 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
5731 mode = SET_PROMISC_MODE_OFF;
5732 if (dev->flags & IFF_PROMISC)
5733 mode = SET_PROMISC_MODE_ON;
5734 QETH_DBF_TEXT_(trace, 4, "mode:%x", mode);
5736 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
5737 sizeof(struct qeth_ipacmd_setadpparms));
5738 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
5739 cmd->data.setadapterparms.data.mode = mode;
5740 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
5744 * set multicast address on card
5747 qeth_set_multicast_list(struct net_device *dev)
5749 struct qeth_card *card = (struct qeth_card *) dev->priv;
5751 if (card->info.type == QETH_CARD_TYPE_OSN)
5754 QETH_DBF_TEXT(trace, 3, "setmulti");
5755 qeth_delete_mc_addresses(card);
5756 if (card->options.layer2) {
5757 qeth_layer2_add_multicast(card);
5760 qeth_add_multicast_ipv4(card);
5761 #ifdef CONFIG_QETH_IPV6
5762 qeth_add_multicast_ipv6(card);
5765 qeth_set_ip_addr_list(card);
5766 if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
5768 qeth_setadp_promisc_mode(card);
5772 qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np)
5778 qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev)
5780 if (dev->type == ARPHRD_IEEE802_TR)
5781 ip_tr_mc_map(ipm, mac);
5783 ip_eth_mc_map(ipm, mac);
5786 static struct qeth_ipaddr *
5787 qeth_get_addr_buffer(enum qeth_prot_versions prot)
5789 struct qeth_ipaddr *addr;
5791 addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
5793 PRINT_WARN("Not enough memory to add address\n");
5796 addr->type = QETH_IP_TYPE_NORMAL;
5802 qeth_osn_assist(struct net_device *dev,
5806 struct qeth_cmd_buffer *iob;
5807 struct qeth_card *card;
5810 QETH_DBF_TEXT(trace, 2, "osnsdmc");
5813 card = (struct qeth_card *)dev->priv;
5816 if ((card->state != CARD_STATE_UP) &&
5817 (card->state != CARD_STATE_SOFTSETUP))
5819 iob = qeth_wait_for_buffer(&card->write);
5820 memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
5821 rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
5825 static struct net_device *
5826 qeth_netdev_by_devno(unsigned char *read_dev_no)
5828 struct qeth_card *card;
5829 struct net_device *ndev;
5830 unsigned char *readno;
5831 __u16 temp_dev_no, card_dev_no;
5833 unsigned long flags;
5836 memcpy(&temp_dev_no, read_dev_no, 2);
5837 read_lock_irqsave(&qeth_card_list.rwlock, flags);
5838 list_for_each_entry(card, &qeth_card_list.list, list) {
5839 readno = CARD_RDEV_ID(card);
5840 readno += (strlen(readno) - 4);
5841 card_dev_no = simple_strtoul(readno, &endp, 16);
5842 if (card_dev_no == temp_dev_no) {
5847 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
5852 qeth_osn_register(unsigned char *read_dev_no,
5853 struct net_device **dev,
5854 int (*assist_cb)(struct net_device *, void *),
5855 int (*data_cb)(struct sk_buff *))
5857 struct qeth_card * card;
5859 QETH_DBF_TEXT(trace, 2, "osnreg");
5860 *dev = qeth_netdev_by_devno(read_dev_no);
5863 card = (struct qeth_card *)(*dev)->priv;
5866 if ((assist_cb == NULL) || (data_cb == NULL))
5868 card->osn_info.assist_cb = assist_cb;
5869 card->osn_info.data_cb = data_cb;
5874 qeth_osn_deregister(struct net_device * dev)
5876 struct qeth_card *card;
5878 QETH_DBF_TEXT(trace, 2, "osndereg");
5881 card = (struct qeth_card *)dev->priv;
5884 card->osn_info.assist_cb = NULL;
5885 card->osn_info.data_cb = NULL;
5890 qeth_delete_mc_addresses(struct qeth_card *card)
5892 struct qeth_ipaddr *iptodo;
5893 unsigned long flags;
5895 QETH_DBF_TEXT(trace,4,"delmc");
5896 iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4);
5898 QETH_DBF_TEXT(trace, 2, "dmcnomem");
5901 iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
5902 spin_lock_irqsave(&card->ip_lock, flags);
5903 if (!__qeth_insert_ip_todo(card, iptodo, 0))
5905 spin_unlock_irqrestore(&card->ip_lock, flags);
5909 qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
5911 struct qeth_ipaddr *ipm;
5912 struct ip_mc_list *im4;
5913 char buf[MAX_ADDR_LEN];
5915 QETH_DBF_TEXT(trace,4,"addmc");
5916 for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
5917 qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
5918 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5921 ipm->u.a4.addr = im4->multiaddr;
5922 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
5923 ipm->is_multicast = 1;
5924 if (!qeth_add_ip(card,ipm))
5930 qeth_add_vlan_mc(struct qeth_card *card)
5932 #ifdef CONFIG_QETH_VLAN
5933 struct in_device *in_dev;
5934 struct vlan_group *vg;
5937 QETH_DBF_TEXT(trace,4,"addmcvl");
5938 if ( ((card->options.layer2 == 0) &&
5939 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
5940 (card->vlangrp == NULL) )
5944 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
5945 struct net_device *netdev = vlan_group_get_device(vg, i);
5946 if (netdev == NULL ||
5947 !(netdev->flags & IFF_UP))
5949 in_dev = in_dev_get(netdev);
5952 read_lock(&in_dev->mc_list_lock);
5953 qeth_add_mc(card,in_dev);
5954 read_unlock(&in_dev->mc_list_lock);
5961 qeth_add_multicast_ipv4(struct qeth_card *card)
5963 struct in_device *in4_dev;
5965 QETH_DBF_TEXT(trace,4,"chkmcv4");
5966 in4_dev = in_dev_get(card->dev);
5967 if (in4_dev == NULL)
5969 read_lock(&in4_dev->mc_list_lock);
5970 qeth_add_mc(card, in4_dev);
5971 qeth_add_vlan_mc(card);
5972 read_unlock(&in4_dev->mc_list_lock);
5973 in_dev_put(in4_dev);
5977 qeth_layer2_add_multicast(struct qeth_card *card)
5979 struct qeth_ipaddr *ipm;
5980 struct dev_mc_list *dm;
5982 QETH_DBF_TEXT(trace,4,"L2addmc");
5983 for (dm = card->dev->mc_list; dm; dm = dm->next) {
5984 ipm = qeth_get_addr_buffer(QETH_PROT_IPV4);
5987 memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN);
5988 ipm->is_multicast = 1;
5989 if (!qeth_add_ip(card, ipm))
5994 #ifdef CONFIG_QETH_IPV6
5996 qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
5998 struct qeth_ipaddr *ipm;
5999 struct ifmcaddr6 *im6;
6000 char buf[MAX_ADDR_LEN];
6002 QETH_DBF_TEXT(trace,4,"addmc6");
6003 for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
6004 ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
6005 ipm = qeth_get_addr_buffer(QETH_PROT_IPV6);
6008 ipm->is_multicast = 1;
6009 memcpy(ipm->mac,buf,OSA_ADDR_LEN);
6010 memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr,
6011 sizeof(struct in6_addr));
6012 if (!qeth_add_ip(card,ipm))
6018 qeth_add_vlan_mc6(struct qeth_card *card)
6020 #ifdef CONFIG_QETH_VLAN
6021 struct inet6_dev *in_dev;
6022 struct vlan_group *vg;
6025 QETH_DBF_TEXT(trace,4,"admc6vl");
6026 if ( ((card->options.layer2 == 0) &&
6027 (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
6028 (card->vlangrp == NULL))
6032 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
6033 struct net_device *netdev = vlan_group_get_device(vg, i);
6034 if (netdev == NULL ||
6035 !(netdev->flags & IFF_UP))
6037 in_dev = in6_dev_get(netdev);
6040 read_lock_bh(&in_dev->lock);
6041 qeth_add_mc6(card,in_dev);
6042 read_unlock_bh(&in_dev->lock);
6043 in6_dev_put(in_dev);
6045 #endif /* CONFIG_QETH_VLAN */
6049 qeth_add_multicast_ipv6(struct qeth_card *card)
6051 struct inet6_dev *in6_dev;
6053 QETH_DBF_TEXT(trace,4,"chkmcv6");
6054 if (!qeth_is_supported(card, IPA_IPV6))
6056 in6_dev = in6_dev_get(card->dev);
6057 if (in6_dev == NULL)
6059 read_lock_bh(&in6_dev->lock);
6060 qeth_add_mc6(card, in6_dev);
6061 qeth_add_vlan_mc6(card);
6062 read_unlock_bh(&in6_dev->lock);
6063 in6_dev_put(in6_dev);
6065 #endif /* CONFIG_QETH_IPV6 */
6068 qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
6069 enum qeth_ipa_cmds ipacmd,
6070 int (*reply_cb) (struct qeth_card *,
6074 struct qeth_ipa_cmd *cmd;
6075 struct qeth_cmd_buffer *iob;
6077 QETH_DBF_TEXT(trace, 2, "L2sdmac");
6078 iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
6079 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6080 cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
6081 memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
6082 return qeth_send_ipa_cmd(card, iob, reply_cb, NULL);
6086 qeth_layer2_send_setgroupmac_cb(struct qeth_card *card,
6087 struct qeth_reply *reply,
6090 struct qeth_ipa_cmd *cmd;
6093 QETH_DBF_TEXT(trace, 2, "L2Sgmacb");
6094 cmd = (struct qeth_ipa_cmd *) data;
6095 mac = &cmd->data.setdelmac.mac[0];
6096 /* MAC already registered, needed in couple/uncouple case */
6097 if (cmd->hdr.return_code == 0x2005) {
6098 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
6099 "already existing on %s \n",
6100 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
6101 QETH_CARD_IFNAME(card));
6102 cmd->hdr.return_code = 0;
6104 if (cmd->hdr.return_code)
6105 PRINT_ERR("Could not set group MAC " \
6106 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
6107 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
6108 QETH_CARD_IFNAME(card),cmd->hdr.return_code);
6113 qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
6115 QETH_DBF_TEXT(trace, 2, "L2Sgmac");
6116 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC,
6117 qeth_layer2_send_setgroupmac_cb);
6121 qeth_layer2_send_delgroupmac_cb(struct qeth_card *card,
6122 struct qeth_reply *reply,
6125 struct qeth_ipa_cmd *cmd;
6128 QETH_DBF_TEXT(trace, 2, "L2Dgmacb");
6129 cmd = (struct qeth_ipa_cmd *) data;
6130 mac = &cmd->data.setdelmac.mac[0];
6131 if (cmd->hdr.return_code)
6132 PRINT_ERR("Could not delete group MAC " \
6133 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
6134 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
6135 QETH_CARD_IFNAME(card), cmd->hdr.return_code);
6140 qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
6142 QETH_DBF_TEXT(trace, 2, "L2Dgmac");
6143 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC,
6144 qeth_layer2_send_delgroupmac_cb);
6148 qeth_layer2_send_setmac_cb(struct qeth_card *card,
6149 struct qeth_reply *reply,
6152 struct qeth_ipa_cmd *cmd;
6154 QETH_DBF_TEXT(trace, 2, "L2Smaccb");
6155 cmd = (struct qeth_ipa_cmd *) data;
6156 if (cmd->hdr.return_code) {
6157 QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
6158 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
6159 cmd->hdr.return_code = -EIO;
6161 card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
6162 memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac,
6164 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
6165 "successfully registered on device %s\n",
6166 card->dev->dev_addr[0], card->dev->dev_addr[1],
6167 card->dev->dev_addr[2], card->dev->dev_addr[3],
6168 card->dev->dev_addr[4], card->dev->dev_addr[5],
6175 qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac)
6177 QETH_DBF_TEXT(trace, 2, "L2Setmac");
6178 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
6179 qeth_layer2_send_setmac_cb);
6183 qeth_layer2_send_delmac_cb(struct qeth_card *card,
6184 struct qeth_reply *reply,
6187 struct qeth_ipa_cmd *cmd;
6189 QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
6190 cmd = (struct qeth_ipa_cmd *) data;
6191 if (cmd->hdr.return_code) {
6192 QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
6193 cmd->hdr.return_code = -EIO;
6196 card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
6201 qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac)
6203 QETH_DBF_TEXT(trace, 2, "L2Delmac");
6204 if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
6206 return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC,
6207 qeth_layer2_send_delmac_cb);
6211 qeth_layer2_set_mac_address(struct net_device *dev, void *p)
6213 struct sockaddr *addr = p;
6214 struct qeth_card *card;
6217 QETH_DBF_TEXT(trace, 3, "setmac");
6219 if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
6220 QETH_DBF_TEXT(trace, 3, "setmcINV");
6223 card = (struct qeth_card *) dev->priv;
6225 if (!card->options.layer2) {
6226 PRINT_WARN("Setting MAC address on %s is not supported "
6227 "in Layer 3 mode.\n", dev->name);
6228 QETH_DBF_TEXT(trace, 3, "setmcLY3");
6231 if (card->info.type == QETH_CARD_TYPE_OSN) {
6232 PRINT_WARN("Setting MAC address on %s is not supported.\n",
6234 QETH_DBF_TEXT(trace, 3, "setmcOSN");
6237 QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
6238 QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
6239 rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
6241 rc = qeth_layer2_send_setmac(card, addr->sa_data);
6246 qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd,
6247 __u8 command, enum qeth_prot_versions prot)
6249 memset(cmd, 0, sizeof (struct qeth_ipa_cmd));
6250 cmd->hdr.command = command;
6251 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
6252 cmd->hdr.seqno = card->seqno.ipa;
6253 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
6254 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
6255 if (card->options.layer2)
6256 cmd->hdr.prim_version_no = 2;
6258 cmd->hdr.prim_version_no = 1;
6259 cmd->hdr.param_count = 1;
6260 cmd->hdr.prot_version = prot;
6261 cmd->hdr.ipa_supported = 0;
6262 cmd->hdr.ipa_enabled = 0;
6265 static struct qeth_cmd_buffer *
6266 qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
6267 enum qeth_prot_versions prot)
6269 struct qeth_cmd_buffer *iob;
6270 struct qeth_ipa_cmd *cmd;
6272 iob = qeth_wait_for_buffer(&card->write);
6273 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6274 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
6280 qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
6283 struct qeth_cmd_buffer *iob;
6284 struct qeth_ipa_cmd *cmd;
6286 QETH_DBF_TEXT(trace,4,"setdelmc");
6288 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6289 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6290 memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN);
6291 if (addr->proto == QETH_PROT_IPV6)
6292 memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr,
6293 sizeof(struct in6_addr));
6295 memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4);
6297 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6302 qeth_fill_netmask(u8 *netmask, unsigned int len)
6305 for (i=0;i<16;i++) {
6310 netmask[i] = (u8)(0xFF00>>j);
6317 qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr,
6318 int ipacmd, unsigned int flags)
6321 struct qeth_cmd_buffer *iob;
6322 struct qeth_ipa_cmd *cmd;
6325 QETH_DBF_TEXT(trace,4,"setdelip");
6326 QETH_DBF_TEXT_(trace,4,"flags%02X", flags);
6328 iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto);
6329 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6330 if (addr->proto == QETH_PROT_IPV6) {
6331 memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr,
6332 sizeof(struct in6_addr));
6333 qeth_fill_netmask(netmask,addr->u.a6.pfxlen);
6334 memcpy(cmd->data.setdelip6.mask, netmask,
6335 sizeof(struct in6_addr));
6336 cmd->data.setdelip6.flags = flags;
6338 memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4);
6339 memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4);
6340 cmd->data.setdelip4.flags = flags;
6343 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
6349 qeth_layer2_register_addr_entry(struct qeth_card *card,
6350 struct qeth_ipaddr *addr)
6352 if (!addr->is_multicast)
6354 QETH_DBF_TEXT(trace, 2, "setgmac");
6355 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6356 return qeth_layer2_send_setgroupmac(card, &addr->mac[0]);
6360 qeth_layer2_deregister_addr_entry(struct qeth_card *card,
6361 struct qeth_ipaddr *addr)
6363 if (!addr->is_multicast)
6365 QETH_DBF_TEXT(trace, 2, "delgmac");
6366 QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
6367 return qeth_layer2_send_delgroupmac(card, &addr->mac[0]);
6371 qeth_layer3_register_addr_entry(struct qeth_card *card,
6372 struct qeth_ipaddr *addr)
6378 if (addr->proto == QETH_PROT_IPV4) {
6379 QETH_DBF_TEXT(trace, 2,"setaddr4");
6380 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6381 } else if (addr->proto == QETH_PROT_IPV6) {
6382 QETH_DBF_TEXT(trace, 2, "setaddr6");
6383 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6384 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6386 QETH_DBF_TEXT(trace, 2, "setaddr?");
6387 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6390 if (addr->is_multicast)
6391 rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM);
6393 rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP,
6396 QETH_DBF_TEXT(trace, 2, "failed");
6397 } while ((--cnt > 0) && rc);
6399 QETH_DBF_TEXT(trace, 2, "FAILED");
6400 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6401 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6408 qeth_layer3_deregister_addr_entry(struct qeth_card *card,
6409 struct qeth_ipaddr *addr)
6414 if (addr->proto == QETH_PROT_IPV4) {
6415 QETH_DBF_TEXT(trace, 2,"deladdr4");
6416 QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int));
6417 } else if (addr->proto == QETH_PROT_IPV6) {
6418 QETH_DBF_TEXT(trace, 2, "deladdr6");
6419 QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8);
6420 QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8);
6422 QETH_DBF_TEXT(trace, 2, "deladdr?");
6423 QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr));
6425 if (addr->is_multicast)
6426 rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM);
6428 rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP,
6431 QETH_DBF_TEXT(trace, 2, "failed");
6432 /* TODO: re-activate this warning as soon as we have a
6434 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6435 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6443 qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6445 if (card->options.layer2)
6446 return qeth_layer2_register_addr_entry(card, addr);
6448 return qeth_layer3_register_addr_entry(card, addr);
6452 qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
6454 if (card->options.layer2)
6455 return qeth_layer2_deregister_addr_entry(card, addr);
6457 return qeth_layer3_deregister_addr_entry(card, addr);
6461 qeth_ethtool_get_tx_csum(struct net_device *dev)
6463 return (dev->features & NETIF_F_HW_CSUM) != 0;
6467 qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data)
6470 dev->features |= NETIF_F_HW_CSUM;
6472 dev->features &= ~NETIF_F_HW_CSUM;
6478 qeth_ethtool_get_rx_csum(struct net_device *dev)
6480 struct qeth_card *card = (struct qeth_card *)dev->priv;
6482 return (card->options.checksum_type == HW_CHECKSUMMING);
6486 qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data)
6488 struct qeth_card *card = (struct qeth_card *)dev->priv;
6490 if ((card->state != CARD_STATE_DOWN) &&
6491 (card->state != CARD_STATE_RECOVER))
6494 card->options.checksum_type = HW_CHECKSUMMING;
6496 card->options.checksum_type = SW_CHECKSUMMING;
6501 qeth_ethtool_get_sg(struct net_device *dev)
6503 struct qeth_card *card = (struct qeth_card *)dev->priv;
6505 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6506 (dev->features & NETIF_F_SG));
6510 qeth_ethtool_set_sg(struct net_device *dev, u32 data)
6512 struct qeth_card *card = (struct qeth_card *)dev->priv;
6515 if (card->options.large_send != QETH_LARGE_SEND_NO)
6516 dev->features |= NETIF_F_SG;
6518 dev->features &= ~NETIF_F_SG;
6522 dev->features &= ~NETIF_F_SG;
6527 qeth_ethtool_get_tso(struct net_device *dev)
6529 struct qeth_card *card = (struct qeth_card *)dev->priv;
6531 return ((card->options.large_send != QETH_LARGE_SEND_NO) &&
6532 (dev->features & NETIF_F_TSO));
6536 qeth_ethtool_set_tso(struct net_device *dev, u32 data)
6538 struct qeth_card *card = (struct qeth_card *)dev->priv;
6541 if (card->options.large_send != QETH_LARGE_SEND_NO)
6542 dev->features |= NETIF_F_TSO;
6544 dev->features &= ~NETIF_F_TSO;
6548 dev->features &= ~NETIF_F_TSO;
6552 static struct ethtool_ops qeth_ethtool_ops = {
6553 .get_tx_csum = qeth_ethtool_get_tx_csum,
6554 .set_tx_csum = qeth_ethtool_set_tx_csum,
6555 .get_rx_csum = qeth_ethtool_get_rx_csum,
6556 .set_rx_csum = qeth_ethtool_set_rx_csum,
6557 .get_sg = qeth_ethtool_get_sg,
6558 .set_sg = qeth_ethtool_set_sg,
6559 .get_tso = qeth_ethtool_get_tso,
6560 .set_tso = qeth_ethtool_set_tso,
6564 qeth_hard_header_parse(const struct sk_buff *skb, unsigned char *haddr)
6566 const struct qeth_card *card;
6567 const struct ethhdr *eth;
6569 card = qeth_get_card_from_dev(skb->dev);
6570 if (card->options.layer2)
6572 #ifdef CONFIG_QETH_IPV6
6573 /* cause of the manipulated arp constructor and the ARP
6574 flag for OSAE devices we have some nasty exceptions */
6575 if (card->info.type == QETH_CARD_TYPE_OSAE) {
6576 if (!card->options.fake_ll) {
6577 if ((skb->pkt_type==PACKET_OUTGOING) &&
6578 (skb->protocol==ETH_P_IPV6))
6583 if ((skb->pkt_type==PACKET_OUTGOING) &&
6584 (skb->protocol==ETH_P_IP))
6591 if (!card->options.fake_ll)
6595 memcpy(haddr, eth->h_source, ETH_ALEN);
6600 qeth_netdev_init(struct net_device *dev)
6602 struct qeth_card *card;
6604 card = (struct qeth_card *) dev->priv;
6606 QETH_DBF_TEXT(trace,3,"initdev");
6608 dev->tx_timeout = &qeth_tx_timeout;
6609 dev->watchdog_timeo = QETH_TX_TIMEOUT;
6610 dev->open = qeth_open;
6611 dev->stop = qeth_stop;
6612 dev->hard_start_xmit = qeth_hard_start_xmit;
6613 dev->do_ioctl = qeth_do_ioctl;
6614 dev->get_stats = qeth_get_stats;
6615 dev->change_mtu = qeth_change_mtu;
6616 dev->neigh_setup = qeth_neigh_setup;
6617 dev->set_multicast_list = qeth_set_multicast_list;
6618 #ifdef CONFIG_QETH_VLAN
6619 dev->vlan_rx_register = qeth_vlan_rx_register;
6620 dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
6621 dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
6623 if (qeth_get_netdev_flags(card) & IFF_NOARP) {
6624 dev->rebuild_header = NULL;
6625 dev->hard_header = NULL;
6626 dev->header_cache_update = NULL;
6627 dev->hard_header_cache = NULL;
6629 #ifdef CONFIG_QETH_IPV6
6630 /*IPv6 address autoconfiguration stuff*/
6631 if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
6632 card->dev->dev_id = card->info.unique_id & 0xffff;
6634 if (card->options.fake_ll &&
6635 (qeth_get_netdev_flags(card) & IFF_NOARP))
6636 dev->hard_header = qeth_fake_header;
6637 if (dev->type == ARPHRD_IEEE802_TR)
6638 dev->hard_header_parse = NULL;
6640 dev->hard_header_parse = qeth_hard_header_parse;
6641 dev->set_mac_address = qeth_layer2_set_mac_address;
6642 dev->flags |= qeth_get_netdev_flags(card);
6643 if ((card->options.fake_broadcast) ||
6644 (card->info.broadcast_capable))
6645 dev->flags |= IFF_BROADCAST;
6646 dev->hard_header_len =
6647 qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
6648 dev->addr_len = OSA_ADDR_LEN;
6649 dev->mtu = card->info.initial_mtu;
6650 if (card->info.type != QETH_CARD_TYPE_OSN)
6651 SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
6656 qeth_init_func_level(struct qeth_card *card)
6658 if (card->ipato.enabled) {
6659 if (card->info.type == QETH_CARD_TYPE_IQD)
6660 card->info.func_level =
6661 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT;
6663 card->info.func_level =
6664 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
6666 if (card->info.type == QETH_CARD_TYPE_IQD)
6667 /*FIXME:why do we have same values for dis and ena for osae??? */
6668 card->info.func_level =
6669 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
6671 card->info.func_level =
6672 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT;
6677 * hardsetup card, initialize MPC and QDIO stuff
6680 qeth_hardsetup_card(struct qeth_card *card)
6685 QETH_DBF_TEXT(setup, 2, "hrdsetup");
6687 atomic_set(&card->force_alloc_skb, 0);
6690 PRINT_WARN("Retrying to do IDX activates.\n");
6691 ccw_device_set_offline(CARD_DDEV(card));
6692 ccw_device_set_offline(CARD_WDEV(card));
6693 ccw_device_set_offline(CARD_RDEV(card));
6694 ccw_device_set_online(CARD_RDEV(card));
6695 ccw_device_set_online(CARD_WDEV(card));
6696 ccw_device_set_online(CARD_DDEV(card));
6698 rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
6699 if (rc == -ERESTARTSYS) {
6700 QETH_DBF_TEXT(setup, 2, "break1");
6703 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
6709 if ((rc = qeth_get_unitaddr(card))){
6710 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
6713 qeth_init_tokens(card);
6714 qeth_init_func_level(card);
6715 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
6716 if (rc == -ERESTARTSYS) {
6717 QETH_DBF_TEXT(setup, 2, "break2");
6720 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
6726 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
6727 if (rc == -ERESTARTSYS) {
6728 QETH_DBF_TEXT(setup, 2, "break3");
6731 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
6737 if ((rc = qeth_mpc_initialize(card))){
6738 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
6741 /*network device will be recovered*/
6743 card->dev->hard_header = card->orig_hard_header;
6744 if (card->options.fake_ll &&
6745 (qeth_get_netdev_flags(card) & IFF_NOARP))
6746 card->dev->hard_header = qeth_fake_header;
6749 /* at first set_online allocate netdev */
6750 card->dev = qeth_get_netdevice(card->info.type,
6751 card->info.link_type);
6753 qeth_qdio_clear_card(card, card->info.type !=
6754 QETH_CARD_TYPE_IQD);
6756 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
6759 card->dev->priv = card;
6760 card->orig_hard_header = card->dev->hard_header;
6761 card->dev->type = qeth_get_arphdr_type(card->info.type,
6762 card->info.link_type);
6763 card->dev->init = qeth_netdev_init;
6766 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc);
6771 qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6774 struct qeth_ipa_cmd *cmd;
6776 QETH_DBF_TEXT(trace,4,"defadpcb");
6778 cmd = (struct qeth_ipa_cmd *) data;
6779 if (cmd->hdr.return_code == 0){
6780 cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
6781 if (cmd->hdr.prot_version == QETH_PROT_IPV4)
6782 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
6783 #ifdef CONFIG_QETH_IPV6
6784 if (cmd->hdr.prot_version == QETH_PROT_IPV6)
6785 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
6788 if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
6789 cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
6790 card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
6791 QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask);
6797 qeth_default_setadapterparms_cb(struct qeth_card *card,
6798 struct qeth_reply *reply,
6801 struct qeth_ipa_cmd *cmd;
6803 QETH_DBF_TEXT(trace,4,"defadpcb");
6805 cmd = (struct qeth_ipa_cmd *) data;
6806 if (cmd->hdr.return_code == 0)
6807 cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code;
6814 qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply,
6817 struct qeth_ipa_cmd *cmd;
6819 QETH_DBF_TEXT(trace,3,"quyadpcb");
6821 cmd = (struct qeth_ipa_cmd *) data;
6822 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f)
6823 card->info.link_type =
6824 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
6825 card->options.adp.supported_funcs =
6826 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
6827 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
6831 qeth_query_setadapterparms(struct qeth_card *card)
6834 struct qeth_cmd_buffer *iob;
6836 QETH_DBF_TEXT(trace,3,"queryadp");
6837 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
6838 sizeof(struct qeth_ipacmd_setadpparms));
6839 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
6844 qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
6845 struct qeth_reply *reply,
6848 struct qeth_ipa_cmd *cmd;
6850 QETH_DBF_TEXT(trace,4,"chgmaccb");
6852 cmd = (struct qeth_ipa_cmd *) data;
6853 if (!card->options.layer2 ||
6854 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
6855 memcpy(card->dev->dev_addr,
6856 &cmd->data.setadapterparms.data.change_addr.addr,
6858 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
6860 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
6865 qeth_setadpparms_change_macaddr(struct qeth_card *card)
6868 struct qeth_cmd_buffer *iob;
6869 struct qeth_ipa_cmd *cmd;
6871 QETH_DBF_TEXT(trace,4,"chgmac");
6873 iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS,
6874 sizeof(struct qeth_ipacmd_setadpparms));
6875 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6876 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
6877 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
6878 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
6879 card->dev->dev_addr, OSA_ADDR_LEN);
6880 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
6886 qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
6889 struct qeth_cmd_buffer *iob;
6890 struct qeth_ipa_cmd *cmd;
6892 QETH_DBF_TEXT(trace,4,"adpmode");
6894 iob = qeth_get_adapter_cmd(card, command,
6895 sizeof(struct qeth_ipacmd_setadpparms));
6896 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
6897 cmd->data.setadapterparms.data.mode = mode;
6898 rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb,
6904 qeth_setadapter_hstr(struct qeth_card *card)
6908 QETH_DBF_TEXT(trace,4,"adphstr");
6910 if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) {
6911 rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE,
6912 card->options.broadcast_mode);
6914 PRINT_WARN("couldn't set broadcast mode on "
6916 CARD_BUS_ID(card), rc);
6917 rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS,
6918 card->options.macaddr_mode);
6920 PRINT_WARN("couldn't set macaddr mode on "
6921 "device %s: x%x\n", CARD_BUS_ID(card), rc);
6924 if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL)
6925 PRINT_WARN("set adapter parameters not available "
6926 "to set broadcast mode, using ALLRINGS "
6927 "on device %s:\n", CARD_BUS_ID(card));
6928 if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL)
6929 PRINT_WARN("set adapter parameters not available "
6930 "to set macaddr mode, using NONCANONICAL "
6931 "on device %s:\n", CARD_BUS_ID(card));
6936 qeth_setadapter_parms(struct qeth_card *card)
6940 QETH_DBF_TEXT(setup, 2, "setadprm");
6942 if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){
6943 PRINT_WARN("set adapter parameters not supported "
6946 QETH_DBF_TEXT(setup, 2, " notsupp");
6949 rc = qeth_query_setadapterparms(card);
6951 PRINT_WARN("couldn't set adapter parameters on device %s: "
6952 "x%x\n", CARD_BUS_ID(card), rc);
6955 if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) {
6956 rc = qeth_setadpparms_change_macaddr(card);
6958 PRINT_WARN("couldn't get MAC address on "
6960 CARD_BUS_ID(card), rc);
6963 if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
6964 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))
6965 rc = qeth_setadapter_hstr(card);
6971 qeth_layer2_initialize(struct qeth_card *card)
6976 QETH_DBF_TEXT(setup, 2, "doL2init");
6977 QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
6979 rc = qeth_query_setadapterparms(card);
6981 PRINT_WARN("could not query adapter parameters on device %s: "
6982 "x%x\n", CARD_BUS_ID(card), rc);
6985 rc = qeth_setadpparms_change_macaddr(card);
6987 PRINT_WARN("couldn't get MAC address on "
6989 CARD_BUS_ID(card), rc);
6990 QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
6993 QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
6995 rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]);
6997 QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
7003 qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
7004 enum qeth_prot_versions prot)
7007 struct qeth_cmd_buffer *iob;
7009 iob = qeth_get_ipacmd_buffer(card,ipacmd,prot);
7010 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7016 qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot)
7020 QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot);
7022 rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot);
7027 qeth_send_stoplan(struct qeth_card *card)
7032 * TODO: according to the IPA format document page 14,
7033 * TCP/IP (we!) never issue a STOPLAN
7036 QETH_DBF_TEXT(trace, 2, "stoplan");
7038 rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4);
7043 qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
7046 struct qeth_ipa_cmd *cmd;
7048 QETH_DBF_TEXT(setup, 2, "qipasscb");
7050 cmd = (struct qeth_ipa_cmd *) data;
7051 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
7052 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
7053 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
7054 /* Disable IPV6 support hard coded for Hipersockets */
7055 if(card->info.type == QETH_CARD_TYPE_IQD)
7056 card->options.ipa4.supported_funcs &= ~IPA_IPV6;
7058 #ifdef CONFIG_QETH_IPV6
7059 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
7060 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
7063 QETH_DBF_TEXT(setup, 2, "suppenbl");
7064 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported);
7065 QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled);
7070 qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
7073 struct qeth_cmd_buffer *iob;
7075 QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
7076 if (card->options.layer2) {
7077 QETH_DBF_TEXT(setup, 2, "noprmly2");
7081 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
7082 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
7086 static struct qeth_cmd_buffer *
7087 qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func,
7088 __u16 cmd_code, __u16 len,
7089 enum qeth_prot_versions prot)
7091 struct qeth_cmd_buffer *iob;
7092 struct qeth_ipa_cmd *cmd;
7094 QETH_DBF_TEXT(trace,4,"getasscm");
7095 iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot);
7097 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7098 cmd->data.setassparms.hdr.assist_no = ipa_func;
7099 cmd->data.setassparms.hdr.length = 8 + len;
7100 cmd->data.setassparms.hdr.command_code = cmd_code;
7101 cmd->data.setassparms.hdr.return_code = 0;
7102 cmd->data.setassparms.hdr.seq_no = 0;
7108 qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob,
7109 __u16 len, long data,
7111 (struct qeth_card *,struct qeth_reply *,unsigned long),
7115 struct qeth_ipa_cmd *cmd;
7117 QETH_DBF_TEXT(trace,4,"sendassp");
7119 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7120 if (len <= sizeof(__u32))
7121 cmd->data.setassparms.data.flags_32bit = (__u32) data;
7122 else /* (len > sizeof(__u32)) */
7123 memcpy(&cmd->data.setassparms.data, (void *) data, len);
7125 rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param);
7129 #ifdef CONFIG_QETH_IPV6
7131 qeth_send_simple_setassparms_ipv6(struct qeth_card *card,
7132 enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
7136 struct qeth_cmd_buffer *iob;
7138 QETH_DBF_TEXT(trace,4,"simassp6");
7139 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
7141 rc = qeth_send_setassparms(card, iob, 0, 0,
7142 qeth_default_setassparms_cb, NULL);
7148 qeth_send_simple_setassparms(struct qeth_card *card,
7149 enum qeth_ipa_funcs ipa_func,
7150 __u16 cmd_code, long data)
7154 struct qeth_cmd_buffer *iob;
7156 QETH_DBF_TEXT(trace,4,"simassp4");
7158 length = sizeof(__u32);
7159 iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code,
7160 length, QETH_PROT_IPV4);
7161 rc = qeth_send_setassparms(card, iob, length, data,
7162 qeth_default_setassparms_cb, NULL);
7167 qeth_start_ipa_arp_processing(struct qeth_card *card)
7171 QETH_DBF_TEXT(trace,3,"ipaarp");
7173 if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
7174 PRINT_WARN("ARP processing not supported "
7175 "on %s!\n", QETH_CARD_IFNAME(card));
7178 rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING,
7179 IPA_CMD_ASS_START, 0);
7181 PRINT_WARN("Could not start ARP processing "
7182 "assist on %s: 0x%x\n",
7183 QETH_CARD_IFNAME(card), rc);
7189 qeth_start_ipa_ip_fragmentation(struct qeth_card *card)
7193 QETH_DBF_TEXT(trace,3,"ipaipfrg");
7195 if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) {
7196 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
7197 QETH_CARD_IFNAME(card));
7201 rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION,
7202 IPA_CMD_ASS_START, 0);
7204 PRINT_WARN("Could not start Hardware IP fragmentation "
7205 "assist on %s: 0x%x\n",
7206 QETH_CARD_IFNAME(card), rc);
7208 PRINT_INFO("Hardware IP fragmentation enabled \n");
7213 qeth_start_ipa_source_mac(struct qeth_card *card)
7217 QETH_DBF_TEXT(trace,3,"stsrcmac");
7219 if (!card->options.fake_ll)
7222 if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
7223 PRINT_INFO("Inbound source address not "
7224 "supported on %s\n", QETH_CARD_IFNAME(card));
7228 rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC,
7229 IPA_CMD_ASS_START, 0);
7231 PRINT_WARN("Could not start inbound source "
7232 "assist on %s: 0x%x\n",
7233 QETH_CARD_IFNAME(card), rc);
7238 qeth_start_ipa_vlan(struct qeth_card *card)
7242 QETH_DBF_TEXT(trace,3,"strtvlan");
7244 #ifdef CONFIG_QETH_VLAN
7245 if (!qeth_is_supported(card, IPA_FULL_VLAN)) {
7246 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card));
7250 rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO,
7251 IPA_CMD_ASS_START,0);
7253 PRINT_WARN("Could not start vlan "
7254 "assist on %s: 0x%x\n",
7255 QETH_CARD_IFNAME(card), rc);
7257 PRINT_INFO("VLAN enabled \n");
7258 card->dev->features |=
7259 NETIF_F_HW_VLAN_FILTER |
7260 NETIF_F_HW_VLAN_TX |
7263 #endif /* QETH_VLAN */
7268 qeth_start_ipa_multicast(struct qeth_card *card)
7272 QETH_DBF_TEXT(trace,3,"stmcast");
7274 if (!qeth_is_supported(card, IPA_MULTICASTING)) {
7275 PRINT_WARN("Multicast not supported on %s\n",
7276 QETH_CARD_IFNAME(card));
7280 rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING,
7281 IPA_CMD_ASS_START,0);
7283 PRINT_WARN("Could not start multicast "
7284 "assist on %s: rc=%i\n",
7285 QETH_CARD_IFNAME(card), rc);
7287 PRINT_INFO("Multicast enabled\n");
7288 card->dev->flags |= IFF_MULTICAST;
7293 #ifdef CONFIG_QETH_IPV6
7295 qeth_softsetup_ipv6(struct qeth_card *card)
7299 QETH_DBF_TEXT(trace,3,"softipv6");
7301 rc = qeth_send_startlan(card, QETH_PROT_IPV6);
7303 PRINT_ERR("IPv6 startlan failed on %s\n",
7304 QETH_CARD_IFNAME(card));
7307 rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
7309 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7310 QETH_CARD_IFNAME(card));
7313 rc = qeth_send_simple_setassparms(card, IPA_IPV6,
7314 IPA_CMD_ASS_START, 3);
7316 PRINT_WARN("IPv6 start assist (version 4) failed "
7318 QETH_CARD_IFNAME(card), rc);
7321 rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6,
7324 PRINT_WARN("IPV6 start assist (version 6) failed "
7326 QETH_CARD_IFNAME(card), rc);
7329 rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU,
7332 PRINT_WARN("Could not enable passthrough "
7334 QETH_CARD_IFNAME(card), rc);
7337 PRINT_INFO("IPV6 enabled \n");
7344 qeth_start_ipa_ipv6(struct qeth_card *card)
7347 #ifdef CONFIG_QETH_IPV6
7348 QETH_DBF_TEXT(trace,3,"strtipv6");
7350 if (!qeth_is_supported(card, IPA_IPV6)) {
7351 PRINT_WARN("IPv6 not supported on %s\n",
7352 QETH_CARD_IFNAME(card));
7355 rc = qeth_softsetup_ipv6(card);
7361 qeth_start_ipa_broadcast(struct qeth_card *card)
7365 QETH_DBF_TEXT(trace,3,"stbrdcst");
7366 card->info.broadcast_capable = 0;
7367 if (!qeth_is_supported(card, IPA_FILTERING)) {
7368 PRINT_WARN("Broadcast not supported on %s\n",
7369 QETH_CARD_IFNAME(card));
7373 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7374 IPA_CMD_ASS_START, 0);
7376 PRINT_WARN("Could not enable broadcasting filtering "
7378 QETH_CARD_IFNAME(card), rc);
7382 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7383 IPA_CMD_ASS_CONFIGURE, 1);
7385 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7386 QETH_CARD_IFNAME(card), rc);
7389 card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO;
7390 PRINT_INFO("Broadcast enabled \n");
7391 rc = qeth_send_simple_setassparms(card, IPA_FILTERING,
7392 IPA_CMD_ASS_ENABLE, 1);
7394 PRINT_WARN("Could not set up broadcast echo filtering on "
7395 "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc);
7398 card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO;
7400 if (card->info.broadcast_capable)
7401 card->dev->flags |= IFF_BROADCAST;
7403 card->dev->flags &= ~IFF_BROADCAST;
7408 qeth_send_checksum_command(struct qeth_card *card)
7412 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7413 IPA_CMD_ASS_START, 0);
7415 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7416 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7417 QETH_CARD_IFNAME(card), rc);
7420 rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
7422 card->info.csum_mask);
7424 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7425 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7426 QETH_CARD_IFNAME(card), rc);
7433 qeth_start_ipa_checksum(struct qeth_card *card)
7437 QETH_DBF_TEXT(trace,3,"strtcsum");
7439 if (card->options.checksum_type == NO_CHECKSUMMING) {
7440 PRINT_WARN("Using no checksumming on %s.\n",
7441 QETH_CARD_IFNAME(card));
7444 if (card->options.checksum_type == SW_CHECKSUMMING) {
7445 PRINT_WARN("Using SW checksumming on %s.\n",
7446 QETH_CARD_IFNAME(card));
7449 if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
7450 PRINT_WARN("Inbound HW Checksumming not "
7451 "supported on %s,\ncontinuing "
7452 "using Inbound SW Checksumming\n",
7453 QETH_CARD_IFNAME(card));
7454 card->options.checksum_type = SW_CHECKSUMMING;
7457 rc = qeth_send_checksum_command(card);
7459 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7465 qeth_start_ipa_tso(struct qeth_card *card)
7469 QETH_DBF_TEXT(trace,3,"sttso");
7471 if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
7472 PRINT_WARN("Outbound TSO not supported on %s\n",
7473 QETH_CARD_IFNAME(card));
7476 rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
7477 IPA_CMD_ASS_START,0);
7479 PRINT_WARN("Could not start outbound TSO "
7480 "assist on %s: rc=%i\n",
7481 QETH_CARD_IFNAME(card), rc);
7483 PRINT_INFO("Outbound TSO enabled\n");
7485 if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){
7486 card->options.large_send = QETH_LARGE_SEND_NO;
7487 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
7494 qeth_start_ipassists(struct qeth_card *card)
7496 QETH_DBF_TEXT(trace,3,"strtipas");
7497 qeth_start_ipa_arp_processing(card); /* go on*/
7498 qeth_start_ipa_ip_fragmentation(card); /* go on*/
7499 qeth_start_ipa_source_mac(card); /* go on*/
7500 qeth_start_ipa_vlan(card); /* go on*/
7501 qeth_start_ipa_multicast(card); /* go on*/
7502 qeth_start_ipa_ipv6(card); /* go on*/
7503 qeth_start_ipa_broadcast(card); /* go on*/
7504 qeth_start_ipa_checksum(card); /* go on*/
7505 qeth_start_ipa_tso(card); /* go on*/
7510 qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type,
7511 enum qeth_prot_versions prot)
7514 struct qeth_ipa_cmd *cmd;
7515 struct qeth_cmd_buffer *iob;
7517 QETH_DBF_TEXT(trace,4,"setroutg");
7518 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot);
7519 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7520 cmd->data.setrtg.type = (type);
7521 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7528 qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type,
7529 enum qeth_prot_versions prot)
7531 if (card->info.type == QETH_CARD_TYPE_IQD) {
7534 case PRIMARY_CONNECTOR:
7535 case SECONDARY_CONNECTOR:
7536 case MULTICAST_ROUTER:
7544 case PRIMARY_ROUTER:
7545 case SECONDARY_ROUTER:
7547 case MULTICAST_ROUTER:
7548 if (qeth_is_ipafunc_supported(card, prot,
7556 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7557 "Router status set to 'no router'.\n",
7558 ((*type == PRIMARY_ROUTER)? "primary router" :
7559 (*type == SECONDARY_ROUTER)? "secondary router" :
7560 (*type == PRIMARY_CONNECTOR)? "primary connector" :
7561 (*type == SECONDARY_CONNECTOR)? "secondary connector" :
7562 (*type == MULTICAST_ROUTER)? "multicast router" :
7569 qeth_setrouting_v4(struct qeth_card *card)
7573 QETH_DBF_TEXT(trace,3,"setrtg4");
7575 qeth_correct_routing_type(card, &card->options.route4.type,
7578 rc = qeth_send_setrouting(card, card->options.route4.type,
7581 card->options.route4.type = NO_ROUTER;
7582 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7583 "Type set to 'no router'.\n",
7584 rc, QETH_CARD_IFNAME(card));
7590 qeth_setrouting_v6(struct qeth_card *card)
7594 QETH_DBF_TEXT(trace,3,"setrtg6");
7595 #ifdef CONFIG_QETH_IPV6
7597 if (!qeth_is_supported(card, IPA_IPV6))
7599 qeth_correct_routing_type(card, &card->options.route6.type,
7602 rc = qeth_send_setrouting(card, card->options.route6.type,
7605 card->options.route6.type = NO_ROUTER;
7606 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7607 "Type set to 'no router'.\n",
7608 rc, QETH_CARD_IFNAME(card));
7615 qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
7619 if (card->dev == NULL) {
7620 card->options.large_send = type;
7623 if (card->state == CARD_STATE_UP)
7624 netif_tx_disable(card->dev);
7625 card->options.large_send = type;
7626 switch (card->options.large_send) {
7627 case QETH_LARGE_SEND_EDDP:
7628 card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
7631 case QETH_LARGE_SEND_TSO:
7632 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){
7633 card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
7636 PRINT_WARN("TSO not supported on %s. "
7637 "large_send set to 'no'.\n",
7639 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
7641 card->options.large_send = QETH_LARGE_SEND_NO;
7645 default: /* includes QETH_LARGE_SEND_NO */
7646 card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
7650 if (card->state == CARD_STATE_UP)
7651 netif_wake_queue(card->dev);
7656 * softsetup card: init IPA stuff
7659 qeth_softsetup_card(struct qeth_card *card)
7663 QETH_DBF_TEXT(setup, 2, "softsetp");
7665 if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){
7666 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7668 PRINT_WARN("LAN on card %s if offline! "
7669 "Waiting for STARTLAN from card.\n",
7671 card->lan_online = 0;
7675 card->lan_online = 1;
7676 if (card->info.type==QETH_CARD_TYPE_OSN)
7678 qeth_set_large_send(card, card->options.large_send);
7679 if (card->options.layer2) {
7680 card->dev->features |=
7681 NETIF_F_HW_VLAN_FILTER |
7682 NETIF_F_HW_VLAN_TX |
7684 card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
7685 card->info.broadcast_capable=1;
7686 if ((rc = qeth_layer2_initialize(card))) {
7687 QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
7690 #ifdef CONFIG_QETH_VLAN
7691 qeth_layer2_process_vlans(card, 0);
7695 if ((rc = qeth_setadapter_parms(card)))
7696 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7697 if ((rc = qeth_start_ipassists(card)))
7698 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
7699 if ((rc = qeth_setrouting_v4(card)))
7700 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
7701 if ((rc = qeth_setrouting_v6(card)))
7702 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
7704 netif_tx_disable(card->dev);
7708 #ifdef CONFIG_QETH_IPV6
7710 qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply,
7713 struct qeth_ipa_cmd *cmd;
7715 cmd = (struct qeth_ipa_cmd *) data;
7716 if (cmd->hdr.return_code == 0)
7717 card->info.unique_id = *((__u16 *)
7718 &cmd->data.create_destroy_addr.unique_id[6]);
7720 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7721 UNIQUE_ID_NOT_BY_CARD;
7722 PRINT_WARN("couldn't get a unique id from the card on device "
7723 "%s (result=x%x), using default id. ipv6 "
7724 "autoconfig on other lpars may lead to duplicate "
7725 "ip addresses. please use manually "
7726 "configured ones.\n",
7727 CARD_BUS_ID(card), cmd->hdr.return_code);
7734 qeth_put_unique_id(struct qeth_card *card)
7738 #ifdef CONFIG_QETH_IPV6
7739 struct qeth_cmd_buffer *iob;
7740 struct qeth_ipa_cmd *cmd;
7742 QETH_DBF_TEXT(trace,2,"puniqeid");
7744 if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
7745 UNIQUE_ID_NOT_BY_CARD)
7747 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
7749 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7750 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7751 card->info.unique_id;
7752 memcpy(&cmd->data.create_destroy_addr.unique_id[0],
7753 card->dev->dev_addr, OSA_ADDR_LEN);
7754 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
7756 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7757 UNIQUE_ID_NOT_BY_CARD;
7766 qeth_clear_ip_list(struct qeth_card *card, int clean, int recover)
7768 struct qeth_ipaddr *addr, *tmp;
7769 unsigned long flags;
7771 QETH_DBF_TEXT(trace,4,"clearip");
7772 spin_lock_irqsave(&card->ip_lock, flags);
7773 /* clear todo list */
7774 list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){
7775 list_del(&addr->entry);
7779 while (!list_empty(&card->ip_list)) {
7780 addr = list_entry(card->ip_list.next,
7781 struct qeth_ipaddr, entry);
7782 list_del_init(&addr->entry);
7784 spin_unlock_irqrestore(&card->ip_lock, flags);
7785 qeth_deregister_addr_entry(card, addr);
7786 spin_lock_irqsave(&card->ip_lock, flags);
7788 if (!recover || addr->is_multicast) {
7792 list_add_tail(&addr->entry, card->ip_tbd_list);
7794 spin_unlock_irqrestore(&card->ip_lock, flags);
7798 qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
7799 int clear_start_mask)
7801 unsigned long flags;
7803 spin_lock_irqsave(&card->thread_mask_lock, flags);
7804 card->thread_allowed_mask = threads;
7805 if (clear_start_mask)
7806 card->thread_start_mask &= threads;
7807 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7808 wake_up(&card->wait_q);
7812 qeth_threads_running(struct qeth_card *card, unsigned long threads)
7814 unsigned long flags;
7817 spin_lock_irqsave(&card->thread_mask_lock, flags);
7818 rc = (card->thread_running_mask & threads);
7819 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
7824 qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
7826 return wait_event_interruptible(card->wait_q,
7827 qeth_threads_running(card, threads) == 0);
7831 qeth_stop_card(struct qeth_card *card, int recovery_mode)
7835 QETH_DBF_TEXT(setup ,2,"stopcard");
7836 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
7838 qeth_set_allowed_threads(card, 0, 1);
7839 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
7840 return -ERESTARTSYS;
7841 if (card->read.state == CH_STATE_UP &&
7842 card->write.state == CH_STATE_UP &&
7843 (card->state == CARD_STATE_UP)) {
7844 if (recovery_mode &&
7845 card->info.type != QETH_CARD_TYPE_OSN) {
7846 qeth_stop(card->dev);
7849 dev_close(card->dev);
7852 if (!card->use_hard_stop) {
7853 __u8 *mac = &card->dev->dev_addr[0];
7854 rc = qeth_layer2_send_delmac(card, mac);
7855 QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
7856 if ((rc = qeth_send_stoplan(card)))
7857 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
7859 card->state = CARD_STATE_SOFTSETUP;
7861 if (card->state == CARD_STATE_SOFTSETUP) {
7862 #ifdef CONFIG_QETH_VLAN
7863 if (card->options.layer2)
7864 qeth_layer2_process_vlans(card, 1);
7866 qeth_clear_ip_list(card, !card->use_hard_stop, 1);
7867 qeth_clear_ipacmd_list(card);
7868 card->state = CARD_STATE_HARDSETUP;
7870 if (card->state == CARD_STATE_HARDSETUP) {
7871 if ((!card->use_hard_stop) &&
7872 (!card->options.layer2))
7873 if ((rc = qeth_put_unique_id(card)))
7874 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
7875 qeth_qdio_clear_card(card, 0);
7876 qeth_clear_qdio_buffers(card);
7877 qeth_clear_working_pool_list(card);
7878 card->state = CARD_STATE_DOWN;
7880 if (card->state == CARD_STATE_DOWN) {
7881 qeth_clear_cmd_buffers(&card->read);
7882 qeth_clear_cmd_buffers(&card->write);
7884 card->use_hard_stop = 0;
7890 qeth_get_unique_id(struct qeth_card *card)
7893 #ifdef CONFIG_QETH_IPV6
7894 struct qeth_cmd_buffer *iob;
7895 struct qeth_ipa_cmd *cmd;
7897 QETH_DBF_TEXT(setup, 2, "guniqeid");
7899 if (!qeth_is_supported(card,IPA_IPV6)) {
7900 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7901 UNIQUE_ID_NOT_BY_CARD;
7905 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
7907 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
7908 *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
7909 card->info.unique_id;
7911 rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL);
7913 card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
7914 UNIQUE_ID_NOT_BY_CARD;
7919 qeth_print_status_with_portname(struct qeth_card *card)
7924 sprintf(dbf_text, "%s", card->info.portname + 1);
7925 for (i = 0; i < 8; i++)
7927 (char) _ebcasc[(__u8) dbf_text[i]];
7929 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7930 "with link type %s (portname: %s)\n",
7934 qeth_get_cardname(card),
7935 (card->info.mcl_level[0]) ? " (level: " : "",
7936 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7937 (card->info.mcl_level[0]) ? ")" : "",
7938 qeth_get_cardname_short(card),
7944 qeth_print_status_no_portname(struct qeth_card *card)
7946 if (card->info.portname[0])
7947 printk("qeth: Device %s/%s/%s is a%s "
7948 "card%s%s%s\nwith link type %s "
7949 "(no portname needed by interface).\n",
7953 qeth_get_cardname(card),
7954 (card->info.mcl_level[0]) ? " (level: " : "",
7955 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7956 (card->info.mcl_level[0]) ? ")" : "",
7957 qeth_get_cardname_short(card));
7959 printk("qeth: Device %s/%s/%s is a%s "
7960 "card%s%s%s\nwith link type %s.\n",
7964 qeth_get_cardname(card),
7965 (card->info.mcl_level[0]) ? " (level: " : "",
7966 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
7967 (card->info.mcl_level[0]) ? ")" : "",
7968 qeth_get_cardname_short(card));
7972 qeth_print_status_message(struct qeth_card *card)
7974 switch (card->info.type) {
7975 case QETH_CARD_TYPE_OSAE:
7976 /* VM will use a non-zero first character
7977 * to indicate a HiperSockets like reporting
7978 * of the level OSA sets the first character to zero
7980 if (!card->info.mcl_level[0]) {
7981 sprintf(card->info.mcl_level,"%02x%02x",
7982 card->info.mcl_level[2],
7983 card->info.mcl_level[3]);
7985 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
7989 case QETH_CARD_TYPE_IQD:
7990 if (card->info.guestlan) {
7991 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
7992 card->info.mcl_level[0]];
7993 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
7994 card->info.mcl_level[1]];
7995 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
7996 card->info.mcl_level[2]];
7997 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
7998 card->info.mcl_level[3]];
7999 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
8003 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
8005 if (card->info.portname_required)
8006 qeth_print_status_with_portname(card);
8008 qeth_print_status_no_portname(card);
8012 qeth_register_netdev(struct qeth_card *card)
8014 QETH_DBF_TEXT(setup, 3, "regnetd");
8015 if (card->dev->reg_state != NETREG_UNINITIALIZED)
8018 SET_NETDEV_DEV(card->dev, &card->gdev->dev);
8019 return register_netdev(card->dev);
8023 qeth_start_again(struct qeth_card *card, int recovery_mode)
8025 QETH_DBF_TEXT(setup ,2, "startag");
8027 if (recovery_mode &&
8028 card->info.type != QETH_CARD_TYPE_OSN) {
8029 qeth_open(card->dev);
8032 dev_open(card->dev);
8035 /* this also sets saved unicast addresses */
8036 qeth_set_multicast_list(card->dev);
8040 /* Layer 2 specific stuff */
8041 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
8042 if (card->options.option == value) { \
8043 PRINT_ERR("%s not supported with layer 2 " \
8044 "functionality, ignoring option on read" \
8045 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
8046 card->options.option = reset_value; \
8048 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
8049 if (card->options.option != value) { \
8050 PRINT_ERR("%s not supported with layer 2 " \
8051 "functionality, ignoring option on read" \
8052 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
8053 card->options.option = reset_value; \
8057 static void qeth_make_parameters_consistent(struct qeth_card *card)
8060 if (card->options.layer2 == 0)
8062 if (card->info.type == QETH_CARD_TYPE_OSN)
8064 if (card->info.type == QETH_CARD_TYPE_IQD) {
8065 PRINT_ERR("Device %s does not support layer 2 functionality." \
8066 " Ignoring layer2 option.\n",CARD_BUS_ID(card));
8067 card->options.layer2 = 0;
8070 IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
8071 "Routing options are");
8072 #ifdef CONFIG_QETH_IPV6
8073 IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
8074 "Routing options are");
8076 IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
8077 QETH_CHECKSUM_DEFAULT,
8078 "Checksumming options are");
8079 IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
8080 QETH_TR_BROADCAST_ALLRINGS,
8081 "Broadcast mode options are");
8082 IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
8083 QETH_TR_MACADDR_NONCANONICAL,
8084 "Canonical MAC addr options are");
8085 IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
8086 "Broadcast faking options are");
8087 IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
8088 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
8089 IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
8094 __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
8096 struct qeth_card *card = gdev->dev.driver_data;
8098 enum qeth_card_states recover_flag;
8101 QETH_DBF_TEXT(setup ,2, "setonlin");
8102 QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
8104 qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
8105 if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){
8106 PRINT_WARN("set_online of card %s interrupted by user!\n",
8108 return -ERESTARTSYS;
8111 recover_flag = card->state;
8112 if ((rc = ccw_device_set_online(CARD_RDEV(card))) ||
8113 (rc = ccw_device_set_online(CARD_WDEV(card))) ||
8114 (rc = ccw_device_set_online(CARD_DDEV(card)))){
8115 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
8119 qeth_make_parameters_consistent(card);
8121 if ((rc = qeth_hardsetup_card(card))){
8122 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
8125 card->state = CARD_STATE_HARDSETUP;
8127 if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
8128 rc = qeth_get_unique_id(card);
8130 if (rc && card->options.layer2 == 0) {
8131 QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
8134 qeth_print_status_message(card);
8135 if ((rc = qeth_register_netdev(card))){
8136 QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
8139 if ((rc = qeth_softsetup_card(card))){
8140 QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
8144 if ((rc = qeth_init_qdio_queues(card))){
8145 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
8148 card->state = CARD_STATE_SOFTSETUP;
8149 netif_carrier_on(card->dev);
8151 qeth_set_allowed_threads(card, 0xffffffff, 0);
8152 if (recover_flag == CARD_STATE_RECOVER)
8153 qeth_start_again(card, recovery_mode);
8154 qeth_notify_processes();
8157 card->use_hard_stop = 1;
8158 qeth_stop_card(card, 0);
8159 ccw_device_set_offline(CARD_DDEV(card));
8160 ccw_device_set_offline(CARD_WDEV(card));
8161 ccw_device_set_offline(CARD_RDEV(card));
8162 if (recover_flag == CARD_STATE_RECOVER)
8163 card->state = CARD_STATE_RECOVER;
8165 card->state = CARD_STATE_DOWN;
8170 qeth_set_online(struct ccwgroup_device *gdev)
8172 return __qeth_set_online(gdev, 0);
8175 static struct ccw_device_id qeth_ids[] = {
8176 {CCW_DEVICE(0x1731, 0x01), .driver_info = QETH_CARD_TYPE_OSAE},
8177 {CCW_DEVICE(0x1731, 0x05), .driver_info = QETH_CARD_TYPE_IQD},
8178 {CCW_DEVICE(0x1731, 0x06), .driver_info = QETH_CARD_TYPE_OSN},
8181 MODULE_DEVICE_TABLE(ccw, qeth_ids);
8183 struct device *qeth_root_dev = NULL;
8185 struct ccwgroup_driver qeth_ccwgroup_driver = {
8186 .owner = THIS_MODULE,
8188 .driver_id = 0xD8C5E3C8,
8189 .probe = qeth_probe_device,
8190 .remove = qeth_remove_device,
8191 .set_online = qeth_set_online,
8192 .set_offline = qeth_set_offline,
8195 struct ccw_driver qeth_ccw_driver = {
8198 .probe = ccwgroup_probe_ccwdev,
8199 .remove = ccwgroup_remove_ccwdev,
8204 qeth_unregister_dbf_views(void)
8207 debug_unregister(qeth_dbf_setup);
8209 debug_unregister(qeth_dbf_qerr);
8211 debug_unregister(qeth_dbf_sense);
8213 debug_unregister(qeth_dbf_misc);
8215 debug_unregister(qeth_dbf_data);
8216 if (qeth_dbf_control)
8217 debug_unregister(qeth_dbf_control);
8219 debug_unregister(qeth_dbf_trace);
8222 qeth_register_dbf_views(void)
8224 qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
8225 QETH_DBF_SETUP_PAGES,
8226 QETH_DBF_SETUP_NR_AREAS,
8227 QETH_DBF_SETUP_LEN);
8228 qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
8229 QETH_DBF_MISC_PAGES,
8230 QETH_DBF_MISC_NR_AREAS,
8232 qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
8233 QETH_DBF_DATA_PAGES,
8234 QETH_DBF_DATA_NR_AREAS,
8236 qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
8237 QETH_DBF_CONTROL_PAGES,
8238 QETH_DBF_CONTROL_NR_AREAS,
8239 QETH_DBF_CONTROL_LEN);
8240 qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
8241 QETH_DBF_SENSE_PAGES,
8242 QETH_DBF_SENSE_NR_AREAS,
8243 QETH_DBF_SENSE_LEN);
8244 qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
8245 QETH_DBF_QERR_PAGES,
8246 QETH_DBF_QERR_NR_AREAS,
8248 qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
8249 QETH_DBF_TRACE_PAGES,
8250 QETH_DBF_TRACE_NR_AREAS,
8251 QETH_DBF_TRACE_LEN);
8253 if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) ||
8254 (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) ||
8255 (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) ||
8256 (qeth_dbf_trace == NULL)) {
8257 qeth_unregister_dbf_views();
8260 debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view);
8261 debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL);
8263 debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view);
8264 debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL);
8266 debug_register_view(qeth_dbf_data, &debug_hex_ascii_view);
8267 debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL);
8269 debug_register_view(qeth_dbf_control, &debug_hex_ascii_view);
8270 debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL);
8272 debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view);
8273 debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL);
8275 debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view);
8276 debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL);
8278 debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view);
8279 debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL);
8284 #ifdef CONFIG_QETH_IPV6
8285 extern struct neigh_table arp_tbl;
8286 static struct neigh_ops *arp_direct_ops;
8287 static int (*qeth_old_arp_constructor) (struct neighbour *);
8289 static struct neigh_ops arp_direct_ops_template = {
8292 .error_report = NULL,
8293 .output = dev_queue_xmit,
8294 .connected_output = dev_queue_xmit,
8295 .hh_output = dev_queue_xmit,
8296 .queue_xmit = dev_queue_xmit
8300 qeth_arp_constructor(struct neighbour *neigh)
8302 struct net_device *dev = neigh->dev;
8303 struct in_device *in_dev;
8304 struct neigh_parms *parms;
8305 struct qeth_card *card;
8307 card = qeth_get_card_from_dev(dev);
8310 if((card->options.layer2) ||
8311 (card->dev->hard_header == qeth_fake_header))
8315 in_dev = __in_dev_get_rcu(dev);
8316 if (in_dev == NULL) {
8321 parms = in_dev->arp_parms;
8322 __neigh_parms_put(neigh->parms);
8323 neigh->parms = neigh_parms_clone(parms);
8326 neigh->type = inet_addr_type(*(__be32 *) neigh->primary_key);
8327 neigh->nud_state = NUD_NOARP;
8328 neigh->ops = arp_direct_ops;
8329 neigh->output = neigh->ops->queue_xmit;
8332 return qeth_old_arp_constructor(neigh);
8334 #endif /*CONFIG_QETH_IPV6*/
8337 * IP address takeover related functions
8340 qeth_clear_ipato_list(struct qeth_card *card)
8342 struct qeth_ipato_entry *ipatoe, *tmp;
8343 unsigned long flags;
8345 spin_lock_irqsave(&card->ip_lock, flags);
8346 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
8347 list_del(&ipatoe->entry);
8350 spin_unlock_irqrestore(&card->ip_lock, flags);
8354 qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new)
8356 struct qeth_ipato_entry *ipatoe;
8357 unsigned long flags;
8360 QETH_DBF_TEXT(trace, 2, "addipato");
8361 spin_lock_irqsave(&card->ip_lock, flags);
8362 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8363 if (ipatoe->proto != new->proto)
8365 if (!memcmp(ipatoe->addr, new->addr,
8366 (ipatoe->proto == QETH_PROT_IPV4)? 4:16) &&
8367 (ipatoe->mask_bits == new->mask_bits)){
8368 PRINT_WARN("ipato entry already exists!\n");
8374 list_add_tail(&new->entry, &card->ipato.entries);
8376 spin_unlock_irqrestore(&card->ip_lock, flags);
8381 qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
8382 u8 *addr, int mask_bits)
8384 struct qeth_ipato_entry *ipatoe, *tmp;
8385 unsigned long flags;
8387 QETH_DBF_TEXT(trace, 2, "delipato");
8388 spin_lock_irqsave(&card->ip_lock, flags);
8389 list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){
8390 if (ipatoe->proto != proto)
8392 if (!memcmp(ipatoe->addr, addr,
8393 (proto == QETH_PROT_IPV4)? 4:16) &&
8394 (ipatoe->mask_bits == mask_bits)){
8395 list_del(&ipatoe->entry);
8399 spin_unlock_irqrestore(&card->ip_lock, flags);
8403 qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
8408 for (i = 0; i < len; ++i){
8410 for (j = 7; j >= 0; --j){
8411 bits[i*8 + j] = octet & 1;
8418 qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr)
8420 struct qeth_ipato_entry *ipatoe;
8421 u8 addr_bits[128] = {0, };
8422 u8 ipatoe_bits[128] = {0, };
8425 if (!card->ipato.enabled)
8428 qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits,
8429 (addr->proto == QETH_PROT_IPV4)? 4:16);
8430 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
8431 if (addr->proto != ipatoe->proto)
8433 qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits,
8434 (ipatoe->proto==QETH_PROT_IPV4) ?
8436 if (addr->proto == QETH_PROT_IPV4)
8437 rc = !memcmp(addr_bits, ipatoe_bits,
8438 min(32, ipatoe->mask_bits));
8440 rc = !memcmp(addr_bits, ipatoe_bits,
8441 min(128, ipatoe->mask_bits));
8446 if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4)
8448 else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6)
8455 * VIPA related functions
8458 qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8461 struct qeth_ipaddr *ipaddr;
8462 unsigned long flags;
8465 ipaddr = qeth_get_addr_buffer(proto);
8467 if (proto == QETH_PROT_IPV4){
8468 QETH_DBF_TEXT(trace, 2, "addvipa4");
8469 memcpy(&ipaddr->u.a4.addr, addr, 4);
8470 ipaddr->u.a4.mask = 0;
8471 #ifdef CONFIG_QETH_IPV6
8472 } else if (proto == QETH_PROT_IPV6){
8473 QETH_DBF_TEXT(trace, 2, "addvipa6");
8474 memcpy(&ipaddr->u.a6.addr, addr, 16);
8475 ipaddr->u.a6.pfxlen = 0;
8478 ipaddr->type = QETH_IP_TYPE_VIPA;
8479 ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG;
8480 ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
8483 spin_lock_irqsave(&card->ip_lock, flags);
8484 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8485 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8487 spin_unlock_irqrestore(&card->ip_lock, flags);
8489 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8492 if (!qeth_add_ip(card, ipaddr))
8494 qeth_set_ip_addr_list(card);
8499 qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
8502 struct qeth_ipaddr *ipaddr;
8504 ipaddr = qeth_get_addr_buffer(proto);
8506 if (proto == QETH_PROT_IPV4){
8507 QETH_DBF_TEXT(trace, 2, "delvipa4");
8508 memcpy(&ipaddr->u.a4.addr, addr, 4);
8509 ipaddr->u.a4.mask = 0;
8510 #ifdef CONFIG_QETH_IPV6
8511 } else if (proto == QETH_PROT_IPV6){
8512 QETH_DBF_TEXT(trace, 2, "delvipa6");
8513 memcpy(&ipaddr->u.a6.addr, addr, 16);
8514 ipaddr->u.a6.pfxlen = 0;
8517 ipaddr->type = QETH_IP_TYPE_VIPA;
8520 if (!qeth_delete_ip(card, ipaddr))
8522 qeth_set_ip_addr_list(card);
8526 * proxy ARP related functions
8529 qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8532 struct qeth_ipaddr *ipaddr;
8533 unsigned long flags;
8536 ipaddr = qeth_get_addr_buffer(proto);
8538 if (proto == QETH_PROT_IPV4){
8539 QETH_DBF_TEXT(trace, 2, "addrxip4");
8540 memcpy(&ipaddr->u.a4.addr, addr, 4);
8541 ipaddr->u.a4.mask = 0;
8542 #ifdef CONFIG_QETH_IPV6
8543 } else if (proto == QETH_PROT_IPV6){
8544 QETH_DBF_TEXT(trace, 2, "addrxip6");
8545 memcpy(&ipaddr->u.a6.addr, addr, 16);
8546 ipaddr->u.a6.pfxlen = 0;
8549 ipaddr->type = QETH_IP_TYPE_RXIP;
8550 ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
8551 ipaddr->del_flags = 0;
8554 spin_lock_irqsave(&card->ip_lock, flags);
8555 if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
8556 __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
8558 spin_unlock_irqrestore(&card->ip_lock, flags);
8560 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8563 if (!qeth_add_ip(card, ipaddr))
8565 qeth_set_ip_addr_list(card);
8570 qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
8573 struct qeth_ipaddr *ipaddr;
8575 ipaddr = qeth_get_addr_buffer(proto);
8577 if (proto == QETH_PROT_IPV4){
8578 QETH_DBF_TEXT(trace, 2, "addrxip4");
8579 memcpy(&ipaddr->u.a4.addr, addr, 4);
8580 ipaddr->u.a4.mask = 0;
8581 #ifdef CONFIG_QETH_IPV6
8582 } else if (proto == QETH_PROT_IPV6){
8583 QETH_DBF_TEXT(trace, 2, "addrxip6");
8584 memcpy(&ipaddr->u.a6.addr, addr, 16);
8585 ipaddr->u.a6.pfxlen = 0;
8588 ipaddr->type = QETH_IP_TYPE_RXIP;
8591 if (!qeth_delete_ip(card, ipaddr))
8593 qeth_set_ip_addr_list(card);
8600 qeth_ip_event(struct notifier_block *this,
8601 unsigned long event,void *ptr)
8603 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
8604 struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev;
8605 struct qeth_ipaddr *addr;
8606 struct qeth_card *card;
8608 QETH_DBF_TEXT(trace,3,"ipevent");
8609 card = qeth_get_card_from_dev(dev);
8612 if (card->options.layer2)
8615 addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
8617 addr->u.a4.addr = ifa->ifa_address;
8618 addr->u.a4.mask = ifa->ifa_mask;
8619 addr->type = QETH_IP_TYPE_NORMAL;
8625 if (!qeth_add_ip(card, addr))
8629 if (!qeth_delete_ip(card, addr))
8635 qeth_set_ip_addr_list(card);
8640 static struct notifier_block qeth_ip_notifier = {
8645 #ifdef CONFIG_QETH_IPV6
8647 * IPv6 event handler
8650 qeth_ip6_event(struct notifier_block *this,
8651 unsigned long event,void *ptr)
8654 struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
8655 struct net_device *dev = (struct net_device *)ifa->idev->dev;
8656 struct qeth_ipaddr *addr;
8657 struct qeth_card *card;
8659 QETH_DBF_TEXT(trace,3,"ip6event");
8661 card = qeth_get_card_from_dev(dev);
8664 if (!qeth_is_supported(card, IPA_IPV6))
8667 addr = qeth_get_addr_buffer(QETH_PROT_IPV6);
8669 memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
8670 addr->u.a6.pfxlen = ifa->prefix_len;
8671 addr->type = QETH_IP_TYPE_NORMAL;
8677 if (!qeth_add_ip(card, addr))
8681 if (!qeth_delete_ip(card, addr))
8687 qeth_set_ip_addr_list(card);
8692 static struct notifier_block qeth_ip6_notifier = {
8699 __qeth_reboot_event_card(struct device *dev, void *data)
8701 struct qeth_card *card;
8703 card = (struct qeth_card *) dev->driver_data;
8704 qeth_clear_ip_list(card, 0, 0);
8705 qeth_qdio_clear_card(card, 0);
8706 qeth_clear_qdio_buffers(card);
8711 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
8715 ret = driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
8716 __qeth_reboot_event_card);
8717 return ret ? NOTIFY_BAD : NOTIFY_DONE;
8721 static struct notifier_block qeth_reboot_notifier = {
8727 qeth_register_notifiers(void)
8731 QETH_DBF_TEXT(trace,5,"regnotif");
8732 if ((r = register_reboot_notifier(&qeth_reboot_notifier)))
8734 if ((r = register_inetaddr_notifier(&qeth_ip_notifier)))
8736 #ifdef CONFIG_QETH_IPV6
8737 if ((r = register_inet6addr_notifier(&qeth_ip6_notifier)))
8742 #ifdef CONFIG_QETH_IPV6
8744 unregister_inetaddr_notifier(&qeth_ip_notifier);
8747 unregister_reboot_notifier(&qeth_reboot_notifier);
8752 * unregister all event notifiers
8755 qeth_unregister_notifiers(void)
8758 QETH_DBF_TEXT(trace,5,"unregnot");
8759 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier));
8760 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier));
8761 #ifdef CONFIG_QETH_IPV6
8762 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier));
8763 #endif /* QETH_IPV6 */
8767 #ifdef CONFIG_QETH_IPV6
8769 qeth_ipv6_init(void)
8771 qeth_old_arp_constructor = arp_tbl.constructor;
8772 write_lock_bh(&arp_tbl.lock);
8773 arp_tbl.constructor = qeth_arp_constructor;
8774 write_unlock_bh(&arp_tbl.lock);
8776 arp_direct_ops = (struct neigh_ops*)
8777 kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
8778 if (!arp_direct_ops)
8781 memcpy(arp_direct_ops, &arp_direct_ops_template,
8782 sizeof(struct neigh_ops));
8788 qeth_ipv6_uninit(void)
8790 write_lock_bh(&arp_tbl.lock);
8791 arp_tbl.constructor = qeth_old_arp_constructor;
8792 write_unlock_bh(&arp_tbl.lock);
8793 kfree(arp_direct_ops);
8795 #endif /* CONFIG_QETH_IPV6 */
8798 qeth_sysfs_unregister(void)
8800 s390_root_dev_unregister(qeth_root_dev);
8801 qeth_remove_driver_attributes();
8802 ccw_driver_unregister(&qeth_ccw_driver);
8803 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8807 * register qeth at sysfs
8810 qeth_sysfs_register(void)
8814 rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
8818 rc = ccw_driver_register(&qeth_ccw_driver);
8820 goto out_ccw_driver;
8822 rc = qeth_create_driver_attributes();
8826 qeth_root_dev = s390_root_dev_register("qeth");
8827 rc = IS_ERR(qeth_root_dev) ? PTR_ERR(qeth_root_dev) : 0;
8831 qeth_remove_driver_attributes();
8833 ccw_driver_unregister(&qeth_ccw_driver);
8835 ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
8848 PRINT_INFO("loading %s\n", version);
8850 INIT_LIST_HEAD(&qeth_card_list.list);
8851 INIT_LIST_HEAD(&qeth_notify_list);
8852 spin_lock_init(&qeth_notify_lock);
8853 rwlock_init(&qeth_card_list.rwlock);
8855 rc = qeth_register_dbf_views();
8859 rc = qeth_sysfs_register();
8863 #ifdef CONFIG_QETH_IPV6
8864 rc = qeth_ipv6_init();
8866 PRINT_ERR("Out of memory during ipv6 init code = %d\n", rc);
8869 #endif /* QETH_IPV6 */
8870 rc = qeth_register_notifiers();
8873 rc = qeth_create_procfs_entries();
8880 qeth_unregister_notifiers();
8882 #ifdef CONFIG_QETH_IPV6
8885 #endif /* QETH_IPV6 */
8886 qeth_sysfs_unregister();
8888 qeth_unregister_dbf_views();
8890 PRINT_ERR("Initialization failed with code %d\n", rc);
8895 __exit qeth_exit(void)
8897 struct qeth_card *card, *tmp;
8898 unsigned long flags;
8900 QETH_DBF_TEXT(trace,1, "cleanup.");
8903 * Weed would not need to clean up our devices here, because the
8904 * common device layer calls qeth_remove_device for each device
8905 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8906 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8907 * qeth_remove_device called by the common device layer would otherwise
8908 * do a "hard" shutdown (card->use_hard_stop is set to one in
8909 * qeth_remove_device).
8912 read_lock_irqsave(&qeth_card_list.rwlock, flags);
8913 list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){
8914 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8915 qeth_set_offline(card->gdev);
8916 qeth_remove_device(card->gdev);
8919 read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
8920 #ifdef CONFIG_QETH_IPV6
8923 qeth_unregister_notifiers();
8924 qeth_remove_procfs_entries();
8925 qeth_sysfs_unregister();
8926 qeth_unregister_dbf_views();
8927 printk("qeth: removed\n");
8930 EXPORT_SYMBOL(qeth_osn_register);
8931 EXPORT_SYMBOL(qeth_osn_deregister);
8932 EXPORT_SYMBOL(qeth_osn_assist);
8933 module_init(qeth_init);
8934 module_exit(qeth_exit);
8935 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8936 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8937 "Copyright 2000,2003 IBM Corporation\n");
8939 MODULE_LICENSE("GPL");