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
, struct irb
*irb
)
323 switch (PTR_ERR(irb
)) {
325 PRINT_WARN("i/o-error on device %s\n", cdev
->dev
.bus_id
);
326 QETH_DBF_TEXT(trace
, 2, "ckirberr");
327 QETH_DBF_TEXT_(trace
, 2, " rc%d", -EIO
);
330 PRINT_WARN("timeout on device %s\n", cdev
->dev
.bus_id
);
331 QETH_DBF_TEXT(trace
, 2, "ckirberr");
332 QETH_DBF_TEXT_(trace
, 2, " rc%d", -ETIMEDOUT
);
335 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb
),
337 QETH_DBF_TEXT(trace
, 2, "ckirberr");
338 QETH_DBF_TEXT(trace
, 2, " rc???");
344 qeth_get_problem(struct ccw_device
*cdev
, struct irb
*irb
)
349 sense
= (char *) irb
->ecw
;
350 cstat
= irb
->scsw
.cstat
;
351 dstat
= irb
->scsw
.dstat
;
353 if (cstat
& (SCHN_STAT_CHN_CTRL_CHK
| SCHN_STAT_INTF_CTRL_CHK
|
354 SCHN_STAT_CHN_DATA_CHK
| SCHN_STAT_CHAIN_CHECK
|
355 SCHN_STAT_PROT_CHECK
| SCHN_STAT_PROG_CHECK
)) {
356 QETH_DBF_TEXT(trace
,2, "CGENCHK");
357 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
358 cdev
->dev
.bus_id
, dstat
, cstat
);
359 HEXDUMP16(WARN
, "irb: ", irb
);
360 HEXDUMP16(WARN
, "irb: ", ((char *) irb
) + 32);
364 if (dstat
& DEV_STAT_UNIT_CHECK
) {
365 if (sense
[SENSE_RESETTING_EVENT_BYTE
] &
366 SENSE_RESETTING_EVENT_FLAG
) {
367 QETH_DBF_TEXT(trace
,2,"REVIND");
370 if (sense
[SENSE_COMMAND_REJECT_BYTE
] &
371 SENSE_COMMAND_REJECT_FLAG
) {
372 QETH_DBF_TEXT(trace
,2,"CMDREJi");
375 if ((sense
[2] == 0xaf) && (sense
[3] == 0xfe)) {
376 QETH_DBF_TEXT(trace
,2,"AFFE");
379 if ((!sense
[0]) && (!sense
[1]) && (!sense
[2]) && (!sense
[3])) {
380 QETH_DBF_TEXT(trace
,2,"ZEROSEN");
383 QETH_DBF_TEXT(trace
,2,"DGENCHK");
388 static int qeth_issue_next_read(struct qeth_card
*);
394 qeth_irq(struct ccw_device
*cdev
, unsigned long intparm
, struct irb
*irb
)
398 struct qeth_cmd_buffer
*buffer
;
399 struct qeth_channel
*channel
;
400 struct qeth_card
*card
;
402 QETH_DBF_TEXT(trace
,5,"irq");
404 if (__qeth_check_irb_error(cdev
, irb
))
406 cstat
= irb
->scsw
.cstat
;
407 dstat
= irb
->scsw
.dstat
;
409 card
= CARD_FROM_CDEV(cdev
);
413 if (card
->read
.ccwdev
== cdev
){
414 channel
= &card
->read
;
415 QETH_DBF_TEXT(trace
,5,"read");
416 } else if (card
->write
.ccwdev
== cdev
) {
417 channel
= &card
->write
;
418 QETH_DBF_TEXT(trace
,5,"write");
420 channel
= &card
->data
;
421 QETH_DBF_TEXT(trace
,5,"data");
423 atomic_set(&channel
->irq_pending
, 0);
425 if (irb
->scsw
.fctl
& (SCSW_FCTL_CLEAR_FUNC
))
426 channel
->state
= CH_STATE_STOPPED
;
428 if (irb
->scsw
.fctl
& (SCSW_FCTL_HALT_FUNC
))
429 channel
->state
= CH_STATE_HALTED
;
431 /*let's wake up immediately on data channel*/
432 if ((channel
== &card
->data
) && (intparm
!= 0))
435 if (intparm
== QETH_CLEAR_CHANNEL_PARM
) {
436 QETH_DBF_TEXT(trace
, 6, "clrchpar");
437 /* we don't have to handle this further */
440 if (intparm
== QETH_HALT_CHANNEL_PARM
) {
441 QETH_DBF_TEXT(trace
, 6, "hltchpar");
442 /* we don't have to handle this further */
445 if ((dstat
& DEV_STAT_UNIT_EXCEP
) ||
446 (dstat
& DEV_STAT_UNIT_CHECK
) ||
448 if (irb
->esw
.esw0
.erw
.cons
) {
449 /* TODO: we should make this s390dbf */
450 PRINT_WARN("sense data available on channel %s.\n",
451 CHANNEL_ID(channel
));
452 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat
, dstat
);
453 HEXDUMP16(WARN
,"irb: ",irb
);
454 HEXDUMP16(WARN
,"sense data: ",irb
->ecw
);
456 rc
= qeth_get_problem(cdev
,irb
);
458 qeth_schedule_recovery(card
);
464 buffer
= (struct qeth_cmd_buffer
*) __va((addr_t
)intparm
);
465 buffer
->state
= BUF_STATE_PROCESSED
;
467 if (channel
== &card
->data
)
470 if (channel
== &card
->read
&&
471 channel
->state
== CH_STATE_UP
)
472 qeth_issue_next_read(card
);
474 qeth_irq_tasklet((unsigned long)channel
);
477 wake_up(&card
->wait_q
);
481 * tasklet function scheduled from irq handler
484 qeth_irq_tasklet(unsigned long data
)
486 struct qeth_card
*card
;
487 struct qeth_channel
*channel
;
488 struct qeth_cmd_buffer
*iob
;
491 QETH_DBF_TEXT(trace
,5,"irqtlet");
492 channel
= (struct qeth_channel
*) data
;
494 index
= channel
->buf_no
;
495 card
= CARD_FROM_CDEV(channel
->ccwdev
);
496 while (iob
[index
].state
== BUF_STATE_PROCESSED
) {
497 if (iob
[index
].callback
!=NULL
) {
498 iob
[index
].callback(channel
,iob
+ index
);
500 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
502 channel
->buf_no
= index
;
503 wake_up(&card
->wait_q
);
506 static int qeth_stop_card(struct qeth_card
*, int);
509 __qeth_set_offline(struct ccwgroup_device
*cgdev
, int recovery_mode
)
511 struct qeth_card
*card
= (struct qeth_card
*) cgdev
->dev
.driver_data
;
512 int rc
= 0, rc2
= 0, rc3
= 0;
513 enum qeth_card_states recover_flag
;
515 QETH_DBF_TEXT(setup
, 3, "setoffl");
516 QETH_DBF_HEX(setup
, 3, &card
, sizeof(void *));
518 if (card
->dev
&& netif_carrier_ok(card
->dev
))
519 netif_carrier_off(card
->dev
);
520 recover_flag
= card
->state
;
521 if (qeth_stop_card(card
, recovery_mode
) == -ERESTARTSYS
){
522 PRINT_WARN("Stopping card %s interrupted by user!\n",
526 rc
= ccw_device_set_offline(CARD_DDEV(card
));
527 rc2
= ccw_device_set_offline(CARD_WDEV(card
));
528 rc3
= ccw_device_set_offline(CARD_RDEV(card
));
530 rc
= (rc2
) ? rc2
: rc3
;
532 QETH_DBF_TEXT_(setup
, 2, "1err%d", rc
);
533 if (recover_flag
== CARD_STATE_UP
)
534 card
->state
= CARD_STATE_RECOVER
;
535 qeth_notify_processes();
540 qeth_set_offline(struct ccwgroup_device
*cgdev
)
542 return __qeth_set_offline(cgdev
, 0);
546 qeth_wait_for_threads(struct qeth_card
*card
, unsigned long threads
);
550 qeth_remove_device(struct ccwgroup_device
*cgdev
)
552 struct qeth_card
*card
= (struct qeth_card
*) cgdev
->dev
.driver_data
;
555 QETH_DBF_TEXT(setup
, 3, "rmdev");
556 QETH_DBF_HEX(setup
, 3, &card
, sizeof(void *));
561 if (qeth_wait_for_threads(card
, 0xffffffff))
564 if (cgdev
->state
== CCWGROUP_ONLINE
){
565 card
->use_hard_stop
= 1;
566 qeth_set_offline(cgdev
);
568 /* remove form our internal list */
569 write_lock_irqsave(&qeth_card_list
.rwlock
, flags
);
570 list_del(&card
->list
);
571 write_unlock_irqrestore(&qeth_card_list
.rwlock
, flags
);
573 unregister_netdev(card
->dev
);
574 qeth_remove_device_attributes(&cgdev
->dev
);
575 qeth_free_card(card
);
576 cgdev
->dev
.driver_data
= NULL
;
577 put_device(&cgdev
->dev
);
581 qeth_register_addr_entry(struct qeth_card
*, struct qeth_ipaddr
*);
583 qeth_deregister_addr_entry(struct qeth_card
*, struct qeth_ipaddr
*);
586 * Add/remove address to/from card's ip list, i.e. try to add or remove
587 * reference to/from an IP address that is already registered on the card.
589 * 0 address was on card and its reference count has been adjusted,
590 * but is still > 0, so nothing has to be done
591 * also returns 0 if card was not on card and the todo was to delete
592 * the address -> there is also nothing to be done
593 * 1 address was not on card and the todo is to add it to the card's ip
595 * -1 address was on card and its reference count has been decremented
596 * to <= 0 by the todo -> address must be removed from card
599 __qeth_ref_ip_on_card(struct qeth_card
*card
, struct qeth_ipaddr
*todo
,
600 struct qeth_ipaddr
**__addr
)
602 struct qeth_ipaddr
*addr
;
605 list_for_each_entry(addr
, &card
->ip_list
, entry
) {
606 if (card
->options
.layer2
) {
607 if ((addr
->type
== todo
->type
) &&
608 (memcmp(&addr
->mac
, &todo
->mac
,
609 OSA_ADDR_LEN
) == 0)) {
615 if ((addr
->proto
== QETH_PROT_IPV4
) &&
616 (todo
->proto
== QETH_PROT_IPV4
) &&
617 (addr
->type
== todo
->type
) &&
618 (addr
->u
.a4
.addr
== todo
->u
.a4
.addr
) &&
619 (addr
->u
.a4
.mask
== todo
->u
.a4
.mask
)) {
623 if ((addr
->proto
== QETH_PROT_IPV6
) &&
624 (todo
->proto
== QETH_PROT_IPV6
) &&
625 (addr
->type
== todo
->type
) &&
626 (addr
->u
.a6
.pfxlen
== todo
->u
.a6
.pfxlen
) &&
627 (memcmp(&addr
->u
.a6
.addr
, &todo
->u
.a6
.addr
,
628 sizeof(struct in6_addr
)) == 0)) {
634 addr
->users
+= todo
->users
;
635 if (addr
->users
<= 0){
639 /* for VIPA and RXIP limit refcount to 1 */
640 if (addr
->type
!= QETH_IP_TYPE_NORMAL
)
645 if (todo
->users
> 0) {
646 /* for VIPA and RXIP limit refcount to 1 */
647 if (todo
->type
!= QETH_IP_TYPE_NORMAL
)
655 __qeth_address_exists_in_list(struct list_head
*list
, struct qeth_ipaddr
*addr
,
658 struct qeth_ipaddr
*tmp
;
660 list_for_each_entry(tmp
, list
, entry
) {
661 if ((tmp
->proto
== QETH_PROT_IPV4
) &&
662 (addr
->proto
== QETH_PROT_IPV4
) &&
663 ((same_type
&& (tmp
->type
== addr
->type
)) ||
664 (!same_type
&& (tmp
->type
!= addr
->type
)) ) &&
665 (tmp
->u
.a4
.addr
== addr
->u
.a4
.addr
) ){
668 if ((tmp
->proto
== QETH_PROT_IPV6
) &&
669 (addr
->proto
== QETH_PROT_IPV6
) &&
670 ((same_type
&& (tmp
->type
== addr
->type
)) ||
671 (!same_type
&& (tmp
->type
!= addr
->type
)) ) &&
672 (memcmp(&tmp
->u
.a6
.addr
, &addr
->u
.a6
.addr
,
673 sizeof(struct in6_addr
)) == 0) ) {
681 * Add IP to be added to todo list. If there is already an "add todo"
682 * in this list we just incremenent the reference count.
683 * Returns 0 if we just incremented reference count.
686 __qeth_insert_ip_todo(struct qeth_card
*card
, struct qeth_ipaddr
*addr
, int add
)
688 struct qeth_ipaddr
*tmp
, *t
;
691 list_for_each_entry_safe(tmp
, t
, card
->ip_tbd_list
, entry
) {
692 if ((addr
->type
== QETH_IP_TYPE_DEL_ALL_MC
) &&
693 (tmp
->type
== QETH_IP_TYPE_DEL_ALL_MC
))
695 if (card
->options
.layer2
) {
696 if ((tmp
->type
== addr
->type
) &&
697 (tmp
->is_multicast
== addr
->is_multicast
) &&
698 (memcmp(&tmp
->mac
, &addr
->mac
,
699 OSA_ADDR_LEN
) == 0)) {
705 if ((tmp
->proto
== QETH_PROT_IPV4
) &&
706 (addr
->proto
== QETH_PROT_IPV4
) &&
707 (tmp
->type
== addr
->type
) &&
708 (tmp
->is_multicast
== addr
->is_multicast
) &&
709 (tmp
->u
.a4
.addr
== addr
->u
.a4
.addr
) &&
710 (tmp
->u
.a4
.mask
== addr
->u
.a4
.mask
)) {
714 if ((tmp
->proto
== QETH_PROT_IPV6
) &&
715 (addr
->proto
== QETH_PROT_IPV6
) &&
716 (tmp
->type
== addr
->type
) &&
717 (tmp
->is_multicast
== addr
->is_multicast
) &&
718 (tmp
->u
.a6
.pfxlen
== addr
->u
.a6
.pfxlen
) &&
719 (memcmp(&tmp
->u
.a6
.addr
, &addr
->u
.a6
.addr
,
720 sizeof(struct in6_addr
)) == 0)) {
726 if (addr
->users
!= 0)
727 tmp
->users
+= addr
->users
;
729 tmp
->users
+= add
? 1:-1;
730 if (tmp
->users
== 0) {
731 list_del(&tmp
->entry
);
736 if (addr
->type
== QETH_IP_TYPE_DEL_ALL_MC
)
737 list_add(&addr
->entry
, card
->ip_tbd_list
);
739 if (addr
->users
== 0)
740 addr
->users
+= add
? 1:-1;
741 if (add
&& (addr
->type
== QETH_IP_TYPE_NORMAL
) &&
742 qeth_is_addr_covered_by_ipato(card
, addr
)){
743 QETH_DBF_TEXT(trace
, 2, "tkovaddr");
744 addr
->set_flags
|= QETH_IPA_SETIP_TAKEOVER_FLAG
;
746 list_add_tail(&addr
->entry
, card
->ip_tbd_list
);
753 * Remove IP address from list
756 qeth_delete_ip(struct qeth_card
*card
, struct qeth_ipaddr
*addr
)
761 QETH_DBF_TEXT(trace
, 4, "delip");
763 if (card
->options
.layer2
)
764 QETH_DBF_HEX(trace
, 4, &addr
->mac
, 6);
765 else if (addr
->proto
== QETH_PROT_IPV4
)
766 QETH_DBF_HEX(trace
, 4, &addr
->u
.a4
.addr
, 4);
768 QETH_DBF_HEX(trace
, 4, &addr
->u
.a6
.addr
, 8);
769 QETH_DBF_HEX(trace
, 4, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
771 spin_lock_irqsave(&card
->ip_lock
, flags
);
772 rc
= __qeth_insert_ip_todo(card
, addr
, 0);
773 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
778 qeth_add_ip(struct qeth_card
*card
, struct qeth_ipaddr
*addr
)
783 QETH_DBF_TEXT(trace
, 4, "addip");
784 if (card
->options
.layer2
)
785 QETH_DBF_HEX(trace
, 4, &addr
->mac
, 6);
786 else if (addr
->proto
== QETH_PROT_IPV4
)
787 QETH_DBF_HEX(trace
, 4, &addr
->u
.a4
.addr
, 4);
789 QETH_DBF_HEX(trace
, 4, &addr
->u
.a6
.addr
, 8);
790 QETH_DBF_HEX(trace
, 4, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
792 spin_lock_irqsave(&card
->ip_lock
, flags
);
793 rc
= __qeth_insert_ip_todo(card
, addr
, 1);
794 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
799 __qeth_delete_all_mc(struct qeth_card
*card
, unsigned long *flags
)
801 struct qeth_ipaddr
*addr
, *tmp
;
804 list_for_each_entry_safe(addr
, tmp
, &card
->ip_list
, entry
) {
805 if (addr
->is_multicast
) {
806 spin_unlock_irqrestore(&card
->ip_lock
, *flags
);
807 rc
= qeth_deregister_addr_entry(card
, addr
);
808 spin_lock_irqsave(&card
->ip_lock
, *flags
);
810 list_del(&addr
->entry
);
819 qeth_set_ip_addr_list(struct qeth_card
*card
)
821 struct list_head
*tbd_list
;
822 struct qeth_ipaddr
*todo
, *addr
;
826 QETH_DBF_TEXT(trace
, 2, "sdiplist");
827 QETH_DBF_HEX(trace
, 2, &card
, sizeof(void *));
829 spin_lock_irqsave(&card
->ip_lock
, flags
);
830 tbd_list
= card
->ip_tbd_list
;
831 card
->ip_tbd_list
= kmalloc(sizeof(struct list_head
), GFP_ATOMIC
);
832 if (!card
->ip_tbd_list
) {
833 QETH_DBF_TEXT(trace
, 0, "silnomem");
834 card
->ip_tbd_list
= tbd_list
;
835 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
838 INIT_LIST_HEAD(card
->ip_tbd_list
);
840 while (!list_empty(tbd_list
)){
841 todo
= list_entry(tbd_list
->next
, struct qeth_ipaddr
, entry
);
842 list_del(&todo
->entry
);
843 if (todo
->type
== QETH_IP_TYPE_DEL_ALL_MC
){
844 __qeth_delete_all_mc(card
, &flags
);
848 rc
= __qeth_ref_ip_on_card(card
, todo
, &addr
);
850 /* nothing to be done; only adjusted refcount */
852 } else if (rc
== 1) {
853 /* new entry to be added to on-card list */
854 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
855 rc
= qeth_register_addr_entry(card
, todo
);
856 spin_lock_irqsave(&card
->ip_lock
, flags
);
858 list_add_tail(&todo
->entry
, &card
->ip_list
);
861 } else if (rc
== -1) {
862 /* on-card entry to be removed */
863 list_del_init(&addr
->entry
);
864 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
865 rc
= qeth_deregister_addr_entry(card
, addr
);
866 spin_lock_irqsave(&card
->ip_lock
, flags
);
870 list_add_tail(&addr
->entry
, &card
->ip_list
);
874 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
878 static void qeth_delete_mc_addresses(struct qeth_card
*);
879 static void qeth_add_multicast_ipv4(struct qeth_card
*);
880 static void qeth_layer2_add_multicast(struct qeth_card
*);
881 #ifdef CONFIG_QETH_IPV6
882 static void qeth_add_multicast_ipv6(struct qeth_card
*);
886 qeth_set_thread_start_bit(struct qeth_card
*card
, unsigned long thread
)
890 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
891 if ( !(card
->thread_allowed_mask
& thread
) ||
892 (card
->thread_start_mask
& thread
) ) {
893 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
896 card
->thread_start_mask
|= thread
;
897 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
902 qeth_clear_thread_start_bit(struct qeth_card
*card
, unsigned long thread
)
906 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
907 card
->thread_start_mask
&= ~thread
;
908 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
909 wake_up(&card
->wait_q
);
913 qeth_clear_thread_running_bit(struct qeth_card
*card
, unsigned long thread
)
917 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
918 card
->thread_running_mask
&= ~thread
;
919 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
920 wake_up(&card
->wait_q
);
924 __qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
929 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
930 if (card
->thread_start_mask
& thread
){
931 if ((card
->thread_allowed_mask
& thread
) &&
932 !(card
->thread_running_mask
& thread
)){
934 card
->thread_start_mask
&= ~thread
;
935 card
->thread_running_mask
|= thread
;
939 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
944 qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
948 wait_event(card
->wait_q
,
949 (rc
= __qeth_do_run_thread(card
, thread
)) >= 0);
954 qeth_recover(void *ptr
)
956 struct qeth_card
*card
;
959 card
= (struct qeth_card
*) ptr
;
960 daemonize("qeth_recover");
961 QETH_DBF_TEXT(trace
,2,"recover1");
962 QETH_DBF_HEX(trace
, 2, &card
, sizeof(void *));
963 if (!qeth_do_run_thread(card
, QETH_RECOVER_THREAD
))
965 QETH_DBF_TEXT(trace
,2,"recover2");
966 PRINT_WARN("Recovery of device %s started ...\n",
968 card
->use_hard_stop
= 1;
969 __qeth_set_offline(card
->gdev
,1);
970 rc
= __qeth_set_online(card
->gdev
,1);
972 PRINT_INFO("Device %s successfully recovered!\n",
975 PRINT_INFO("Device %s could not be recovered!\n",
977 /* don't run another scheduled recovery */
978 qeth_clear_thread_start_bit(card
, QETH_RECOVER_THREAD
);
979 qeth_clear_thread_running_bit(card
, QETH_RECOVER_THREAD
);
984 qeth_schedule_recovery(struct qeth_card
*card
)
986 QETH_DBF_TEXT(trace
,2,"startrec");
987 if (qeth_set_thread_start_bit(card
, QETH_RECOVER_THREAD
) == 0)
988 schedule_work(&card
->kernel_thread_starter
);
992 qeth_do_start_thread(struct qeth_card
*card
, unsigned long thread
)
997 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
998 QETH_DBF_TEXT_(trace
, 4, " %02x%02x%02x",
999 (u8
) card
->thread_start_mask
,
1000 (u8
) card
->thread_allowed_mask
,
1001 (u8
) card
->thread_running_mask
);
1002 rc
= (card
->thread_start_mask
& thread
);
1003 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
1008 qeth_start_kernel_thread(struct work_struct
*work
)
1010 struct qeth_card
*card
= container_of(work
, struct qeth_card
, kernel_thread_starter
);
1011 QETH_DBF_TEXT(trace
, 2, "strthrd");
1013 if (card
->read
.state
!= CH_STATE_UP
&&
1014 card
->write
.state
!= CH_STATE_UP
)
1016 if (qeth_do_start_thread(card
, QETH_RECOVER_THREAD
))
1017 kernel_thread(qeth_recover
, (void *) card
, SIGCHLD
);
1022 qeth_set_intial_options(struct qeth_card
*card
)
1024 card
->options
.route4
.type
= NO_ROUTER
;
1025 #ifdef CONFIG_QETH_IPV6
1026 card
->options
.route6
.type
= NO_ROUTER
;
1027 #endif /* QETH_IPV6 */
1028 card
->options
.checksum_type
= QETH_CHECKSUM_DEFAULT
;
1029 card
->options
.broadcast_mode
= QETH_TR_BROADCAST_ALLRINGS
;
1030 card
->options
.macaddr_mode
= QETH_TR_MACADDR_NONCANONICAL
;
1031 card
->options
.fake_broadcast
= 0;
1032 card
->options
.add_hhlen
= DEFAULT_ADD_HHLEN
;
1033 card
->options
.fake_ll
= 0;
1034 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
1035 card
->options
.layer2
= 1;
1037 card
->options
.layer2
= 0;
1038 card
->options
.performance_stats
= 0;
1042 * initialize channels ,card and all state machines
1045 qeth_setup_card(struct qeth_card
*card
)
1048 QETH_DBF_TEXT(setup
, 2, "setupcrd");
1049 QETH_DBF_HEX(setup
, 2, &card
, sizeof(void *));
1051 card
->read
.state
= CH_STATE_DOWN
;
1052 card
->write
.state
= CH_STATE_DOWN
;
1053 card
->data
.state
= CH_STATE_DOWN
;
1054 card
->state
= CARD_STATE_DOWN
;
1055 card
->lan_online
= 0;
1056 card
->use_hard_stop
= 0;
1058 #ifdef CONFIG_QETH_VLAN
1059 spin_lock_init(&card
->vlanlock
);
1060 card
->vlangrp
= NULL
;
1062 spin_lock_init(&card
->lock
);
1063 spin_lock_init(&card
->ip_lock
);
1064 spin_lock_init(&card
->thread_mask_lock
);
1065 card
->thread_start_mask
= 0;
1066 card
->thread_allowed_mask
= 0;
1067 card
->thread_running_mask
= 0;
1068 INIT_WORK(&card
->kernel_thread_starter
, qeth_start_kernel_thread
);
1069 INIT_LIST_HEAD(&card
->ip_list
);
1070 card
->ip_tbd_list
= kmalloc(sizeof(struct list_head
), GFP_KERNEL
);
1071 if (!card
->ip_tbd_list
) {
1072 QETH_DBF_TEXT(setup
, 0, "iptbdnom");
1075 INIT_LIST_HEAD(card
->ip_tbd_list
);
1076 INIT_LIST_HEAD(&card
->cmd_waiter_list
);
1077 init_waitqueue_head(&card
->wait_q
);
1078 /* intial options */
1079 qeth_set_intial_options(card
);
1080 /* IP address takeover */
1081 INIT_LIST_HEAD(&card
->ipato
.entries
);
1082 card
->ipato
.enabled
= 0;
1083 card
->ipato
.invert4
= 0;
1084 card
->ipato
.invert6
= 0;
1085 /* init QDIO stuff */
1086 qeth_init_qdio_info(card
);
1091 is_1920_device (struct qeth_card
*card
)
1093 int single_queue
= 0;
1094 struct ccw_device
*ccwdev
;
1095 struct channelPath_dsc
{
1106 QETH_DBF_TEXT(setup
, 2, "chk_1920");
1108 ccwdev
= card
->data
.ccwdev
;
1109 chp_dsc
= (struct channelPath_dsc
*)ccw_device_get_chp_desc(ccwdev
, 0);
1110 if (chp_dsc
!= NULL
) {
1111 /* CHPP field bit 6 == 1 -> single queue */
1112 single_queue
= ((chp_dsc
->chpp
& 0x02) == 0x02);
1115 QETH_DBF_TEXT_(setup
, 2, "rc:%x", single_queue
);
1116 return single_queue
;
1120 qeth_determine_card_type(struct qeth_card
*card
)
1124 QETH_DBF_TEXT(setup
, 2, "detcdtyp");
1126 card
->qdio
.do_prio_queueing
= QETH_PRIOQ_DEFAULT
;
1127 card
->qdio
.default_out_queue
= QETH_DEFAULT_QUEUE
;
1128 while (known_devices
[i
][4]) {
1129 if ((CARD_RDEV(card
)->id
.dev_type
== known_devices
[i
][2]) &&
1130 (CARD_RDEV(card
)->id
.dev_model
== known_devices
[i
][3])) {
1131 card
->info
.type
= known_devices
[i
][4];
1132 card
->qdio
.no_out_queues
= known_devices
[i
][8];
1133 card
->info
.is_multicast_different
= known_devices
[i
][9];
1134 if (is_1920_device(card
)) {
1135 PRINT_INFO("Priority Queueing not able "
1136 "due to hardware limitations!\n");
1137 card
->qdio
.no_out_queues
= 1;
1138 card
->qdio
.default_out_queue
= 0;
1144 card
->info
.type
= QETH_CARD_TYPE_UNKNOWN
;
1145 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card
));
1150 qeth_probe_device(struct ccwgroup_device
*gdev
)
1152 struct qeth_card
*card
;
1154 unsigned long flags
;
1157 QETH_DBF_TEXT(setup
, 2, "probedev");
1160 if (!get_device(dev
))
1163 QETH_DBF_TEXT_(setup
, 2, "%s", gdev
->dev
.bus_id
);
1165 card
= qeth_alloc_card();
1168 QETH_DBF_TEXT_(setup
, 2, "1err%d", -ENOMEM
);
1171 card
->read
.ccwdev
= gdev
->cdev
[0];
1172 card
->write
.ccwdev
= gdev
->cdev
[1];
1173 card
->data
.ccwdev
= gdev
->cdev
[2];
1174 gdev
->dev
.driver_data
= card
;
1176 gdev
->cdev
[0]->handler
= qeth_irq
;
1177 gdev
->cdev
[1]->handler
= qeth_irq
;
1178 gdev
->cdev
[2]->handler
= qeth_irq
;
1180 if ((rc
= qeth_determine_card_type(card
))){
1181 PRINT_WARN("%s: not a valid card type\n", __func__
);
1182 QETH_DBF_TEXT_(setup
, 2, "3err%d", rc
);
1184 qeth_free_card(card
);
1187 if ((rc
= qeth_setup_card(card
))){
1188 QETH_DBF_TEXT_(setup
, 2, "2err%d", rc
);
1190 qeth_free_card(card
);
1193 rc
= qeth_create_device_attributes(dev
);
1196 qeth_free_card(card
);
1199 /* insert into our internal list */
1200 write_lock_irqsave(&qeth_card_list
.rwlock
, flags
);
1201 list_add_tail(&card
->list
, &qeth_card_list
.list
);
1202 write_unlock_irqrestore(&qeth_card_list
.rwlock
, flags
);
1208 qeth_get_unitaddr(struct qeth_card
*card
)
1214 QETH_DBF_TEXT(setup
, 2, "getunit");
1215 rc
= read_conf_data(CARD_DDEV(card
), (void **) &prcd
, &length
);
1217 PRINT_ERR("read_conf_data for device %s returned %i\n",
1218 CARD_DDEV_ID(card
), rc
);
1221 card
->info
.chpid
= prcd
[30];
1222 card
->info
.unit_addr2
= prcd
[31];
1223 card
->info
.cula
= prcd
[63];
1224 card
->info
.guestlan
= ((prcd
[0x10] == _ascebc
['V']) &&
1225 (prcd
[0x11] == _ascebc
['M']));
1230 qeth_init_tokens(struct qeth_card
*card
)
1232 card
->token
.issuer_rm_w
= 0x00010103UL
;
1233 card
->token
.cm_filter_w
= 0x00010108UL
;
1234 card
->token
.cm_connection_w
= 0x0001010aUL
;
1235 card
->token
.ulp_filter_w
= 0x0001010bUL
;
1236 card
->token
.ulp_connection_w
= 0x0001010dUL
;
1240 raw_devno_from_bus_id(char *id
)
1242 id
+= (strlen(id
) - 4);
1243 return (__u16
) simple_strtoul(id
, &id
, 16);
1249 qeth_setup_ccw(struct qeth_channel
*channel
,unsigned char *iob
, __u32 len
)
1251 struct qeth_card
*card
;
1253 QETH_DBF_TEXT(trace
, 4, "setupccw");
1254 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1255 if (channel
== &card
->read
)
1256 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
1258 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
1259 channel
->ccw
.count
= len
;
1260 channel
->ccw
.cda
= (__u32
) __pa(iob
);
1264 * get free buffer for ccws (IDX activation, lancmds,ipassists...)
1266 static struct qeth_cmd_buffer
*
1267 __qeth_get_buffer(struct qeth_channel
*channel
)
1271 QETH_DBF_TEXT(trace
, 6, "getbuff");
1272 index
= channel
->io_buf_no
;
1274 if (channel
->iob
[index
].state
== BUF_STATE_FREE
) {
1275 channel
->iob
[index
].state
= BUF_STATE_LOCKED
;
1276 channel
->io_buf_no
= (channel
->io_buf_no
+ 1) %
1278 memset(channel
->iob
[index
].data
, 0, QETH_BUFSIZE
);
1279 return channel
->iob
+ index
;
1281 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
1282 } while(index
!= channel
->io_buf_no
);
1288 * release command buffer
1291 qeth_release_buffer(struct qeth_channel
*channel
, struct qeth_cmd_buffer
*iob
)
1293 unsigned long flags
;
1295 QETH_DBF_TEXT(trace
, 6, "relbuff");
1296 spin_lock_irqsave(&channel
->iob_lock
, flags
);
1297 memset(iob
->data
, 0, QETH_BUFSIZE
);
1298 iob
->state
= BUF_STATE_FREE
;
1299 iob
->callback
= qeth_send_control_data_cb
;
1301 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
1304 static struct qeth_cmd_buffer
*
1305 qeth_get_buffer(struct qeth_channel
*channel
)
1307 struct qeth_cmd_buffer
*buffer
= NULL
;
1308 unsigned long flags
;
1310 spin_lock_irqsave(&channel
->iob_lock
, flags
);
1311 buffer
= __qeth_get_buffer(channel
);
1312 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
1316 static struct qeth_cmd_buffer
*
1317 qeth_wait_for_buffer(struct qeth_channel
*channel
)
1319 struct qeth_cmd_buffer
*buffer
;
1320 wait_event(channel
->wait_q
,
1321 ((buffer
= qeth_get_buffer(channel
)) != NULL
));
1326 qeth_clear_cmd_buffers(struct qeth_channel
*channel
)
1330 for (cnt
=0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++)
1331 qeth_release_buffer(channel
,&channel
->iob
[cnt
]);
1332 channel
->buf_no
= 0;
1333 channel
->io_buf_no
= 0;
1337 * start IDX for read and write channel
1340 qeth_idx_activate_get_answer(struct qeth_channel
*channel
,
1341 void (*idx_reply_cb
)(struct qeth_channel
*,
1342 struct qeth_cmd_buffer
*))
1344 struct qeth_cmd_buffer
*iob
;
1345 unsigned long flags
;
1347 struct qeth_card
*card
;
1349 QETH_DBF_TEXT(setup
, 2, "idxanswr");
1350 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1351 iob
= qeth_get_buffer(channel
);
1352 iob
->callback
= idx_reply_cb
;
1353 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
1354 channel
->ccw
.count
= QETH_BUFSIZE
;
1355 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1357 wait_event(card
->wait_q
,
1358 atomic_cmpxchg(&channel
->irq_pending
, 0, 1) == 0);
1359 QETH_DBF_TEXT(setup
, 6, "noirqpnd");
1360 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1361 rc
= ccw_device_start(channel
->ccwdev
,
1362 &channel
->ccw
,(addr_t
) iob
, 0, 0);
1363 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1366 PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc
);
1367 QETH_DBF_TEXT_(setup
, 2, "2err%d", rc
);
1368 atomic_set(&channel
->irq_pending
, 0);
1369 wake_up(&card
->wait_q
);
1372 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1373 channel
->state
== CH_STATE_UP
, QETH_TIMEOUT
);
1374 if (rc
== -ERESTARTSYS
)
1376 if (channel
->state
!= CH_STATE_UP
){
1378 QETH_DBF_TEXT_(setup
, 2, "3err%d", rc
);
1379 qeth_clear_cmd_buffers(channel
);
1386 qeth_idx_activate_channel(struct qeth_channel
*channel
,
1387 void (*idx_reply_cb
)(struct qeth_channel
*,
1388 struct qeth_cmd_buffer
*))
1390 struct qeth_card
*card
;
1391 struct qeth_cmd_buffer
*iob
;
1392 unsigned long flags
;
1396 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1398 QETH_DBF_TEXT(setup
, 2, "idxactch");
1400 iob
= qeth_get_buffer(channel
);
1401 iob
->callback
= idx_reply_cb
;
1402 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
1403 channel
->ccw
.count
= IDX_ACTIVATE_SIZE
;
1404 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1405 if (channel
== &card
->write
) {
1406 memcpy(iob
->data
, IDX_ACTIVATE_WRITE
, IDX_ACTIVATE_SIZE
);
1407 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1408 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1409 card
->seqno
.trans_hdr
++;
1411 memcpy(iob
->data
, IDX_ACTIVATE_READ
, IDX_ACTIVATE_SIZE
);
1412 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1413 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1415 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1416 &card
->token
.issuer_rm_w
,QETH_MPC_TOKEN_LENGTH
);
1417 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob
->data
),
1418 &card
->info
.func_level
,sizeof(__u16
));
1419 temp
= raw_devno_from_bus_id(CARD_DDEV_ID(card
));
1420 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob
->data
), &temp
, 2);
1421 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
1422 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob
->data
), &temp
, 2);
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: Error1 in activating channel. rc=%d\n",rc
);
1434 QETH_DBF_TEXT_(setup
, 2, "1err%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_ACTIVATING
, QETH_TIMEOUT
);
1441 if (rc
== -ERESTARTSYS
)
1443 if (channel
->state
!= CH_STATE_ACTIVATING
) {
1444 PRINT_WARN("qeth: IDX activate timed out!\n");
1445 QETH_DBF_TEXT_(setup
, 2, "2err%d", -ETIME
);
1446 qeth_clear_cmd_buffers(channel
);
1449 return qeth_idx_activate_get_answer(channel
,idx_reply_cb
);
1453 qeth_peer_func_level(int level
)
1455 if ((level
& 0xff) == 8)
1456 return (level
& 0xff) + 0x400;
1457 if (((level
>> 8) & 3) == 1)
1458 return (level
& 0xff) + 0x200;
1463 qeth_idx_write_cb(struct qeth_channel
*channel
, struct qeth_cmd_buffer
*iob
)
1465 struct qeth_card
*card
;
1468 QETH_DBF_TEXT(setup
,2, "idxwrcb");
1470 if (channel
->state
== CH_STATE_DOWN
) {
1471 channel
->state
= CH_STATE_ACTIVATING
;
1474 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1476 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1477 PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative "
1478 "reply\n", CARD_WDEV_ID(card
));
1481 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1482 if ((temp
& ~0x0100) != qeth_peer_func_level(card
->info
.func_level
)) {
1483 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1484 "function level mismatch "
1485 "(sent: 0x%x, received: 0x%x)\n",
1486 CARD_WDEV_ID(card
), card
->info
.func_level
, temp
);
1489 channel
->state
= CH_STATE_UP
;
1491 qeth_release_buffer(channel
, iob
);
1495 qeth_check_idx_response(unsigned char *buffer
)
1500 QETH_DBF_HEX(control
, 2, buffer
, QETH_DBF_CONTROL_LEN
);
1501 if ((buffer
[2] & 0xc0) == 0xc0) {
1502 PRINT_WARN("received an IDX TERMINATE "
1503 "with cause code 0x%02x%s\n",
1505 ((buffer
[4] == 0x22) ?
1506 " -- try another portname" : ""));
1507 QETH_DBF_TEXT(trace
, 2, "ckidxres");
1508 QETH_DBF_TEXT(trace
, 2, " idxterm");
1509 QETH_DBF_TEXT_(trace
, 2, " rc%d", -EIO
);
1516 qeth_idx_read_cb(struct qeth_channel
*channel
, struct qeth_cmd_buffer
*iob
)
1518 struct qeth_card
*card
;
1521 QETH_DBF_TEXT(setup
, 2, "idxrdcb");
1522 if (channel
->state
== CH_STATE_DOWN
) {
1523 channel
->state
= CH_STATE_ACTIVATING
;
1527 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1528 if (qeth_check_idx_response(iob
->data
)) {
1531 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1532 PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative "
1533 "reply\n", CARD_RDEV_ID(card
));
1538 * temporary fix for microcode bug
1539 * to revert it,replace OR by AND
1541 if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob
->data
)) ||
1542 (card
->info
.type
== QETH_CARD_TYPE_OSAE
) )
1543 card
->info
.portname_required
= 1;
1545 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1546 if (temp
!= qeth_peer_func_level(card
->info
.func_level
)) {
1547 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1548 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1549 CARD_RDEV_ID(card
), card
->info
.func_level
, temp
);
1552 memcpy(&card
->token
.issuer_rm_r
,
1553 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1554 QETH_MPC_TOKEN_LENGTH
);
1555 memcpy(&card
->info
.mcl_level
[0],
1556 QETH_IDX_REPLY_LEVEL(iob
->data
), QETH_MCL_LENGTH
);
1557 channel
->state
= CH_STATE_UP
;
1559 qeth_release_buffer(channel
,iob
);
1563 qeth_issue_next_read(struct qeth_card
*card
)
1566 struct qeth_cmd_buffer
*iob
;
1568 QETH_DBF_TEXT(trace
,5,"issnxrd");
1569 if (card
->read
.state
!= CH_STATE_UP
)
1571 iob
= qeth_get_buffer(&card
->read
);
1573 PRINT_WARN("issue_next_read failed: no iob available!\n");
1576 qeth_setup_ccw(&card
->read
, iob
->data
, QETH_BUFSIZE
);
1577 QETH_DBF_TEXT(trace
, 6, "noirqpnd");
1578 rc
= ccw_device_start(card
->read
.ccwdev
, &card
->read
.ccw
,
1579 (addr_t
) iob
, 0, 0);
1581 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc
);
1582 atomic_set(&card
->read
.irq_pending
, 0);
1583 qeth_schedule_recovery(card
);
1584 wake_up(&card
->wait_q
);
1589 static struct qeth_reply
*
1590 qeth_alloc_reply(struct qeth_card
*card
)
1592 struct qeth_reply
*reply
;
1594 reply
= kzalloc(sizeof(struct qeth_reply
), GFP_ATOMIC
);
1596 atomic_set(&reply
->refcnt
, 1);
1597 atomic_set(&reply
->received
, 0);
1604 qeth_get_reply(struct qeth_reply
*reply
)
1606 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
1607 atomic_inc(&reply
->refcnt
);
1611 qeth_put_reply(struct qeth_reply
*reply
)
1613 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
1614 if (atomic_dec_and_test(&reply
->refcnt
))
1618 static struct qeth_ipa_cmd
*
1619 qeth_check_ipa_data(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
)
1621 struct qeth_ipa_cmd
*cmd
= NULL
;
1623 QETH_DBF_TEXT(trace
,5,"chkipad");
1624 if (IS_IPA(iob
->data
)){
1625 cmd
= (struct qeth_ipa_cmd
*) PDU_ENCAPSULATION(iob
->data
);
1626 if (IS_IPA_REPLY(cmd
))
1629 switch (cmd
->hdr
.command
) {
1630 case IPA_CMD_STOPLAN
:
1631 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
1632 "there is a network problem or "
1633 "someone pulled the cable or "
1634 "disabled the port.\n",
1635 QETH_CARD_IFNAME(card
),
1637 card
->lan_online
= 0;
1638 if (card
->dev
&& netif_carrier_ok(card
->dev
))
1639 netif_carrier_off(card
->dev
);
1641 case IPA_CMD_STARTLAN
:
1642 PRINT_INFO("Link reestablished on %s "
1643 "(CHPID 0x%X). Scheduling "
1644 "IP address reset.\n",
1645 QETH_CARD_IFNAME(card
),
1647 netif_carrier_on(card
->dev
);
1648 qeth_schedule_recovery(card
);
1650 case IPA_CMD_MODCCID
:
1652 case IPA_CMD_REGISTER_LOCAL_ADDR
:
1653 QETH_DBF_TEXT(trace
,3, "irla");
1655 case IPA_CMD_UNREGISTER_LOCAL_ADDR
:
1656 QETH_DBF_TEXT(trace
,3, "urla");
1659 PRINT_WARN("Received data is IPA "
1660 "but not a reply!\n");
1669 * wake all waiting ipa commands
1672 qeth_clear_ipacmd_list(struct qeth_card
*card
)
1674 struct qeth_reply
*reply
, *r
;
1675 unsigned long flags
;
1677 QETH_DBF_TEXT(trace
, 4, "clipalst");
1679 spin_lock_irqsave(&card
->lock
, flags
);
1680 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
1681 qeth_get_reply(reply
);
1683 atomic_inc(&reply
->received
);
1684 list_del_init(&reply
->list
);
1685 wake_up(&reply
->wait_q
);
1686 qeth_put_reply(reply
);
1688 spin_unlock_irqrestore(&card
->lock
, flags
);
1692 qeth_send_control_data_cb(struct qeth_channel
*channel
,
1693 struct qeth_cmd_buffer
*iob
)
1695 struct qeth_card
*card
;
1696 struct qeth_reply
*reply
, *r
;
1697 struct qeth_ipa_cmd
*cmd
;
1698 unsigned long flags
;
1701 QETH_DBF_TEXT(trace
,4,"sndctlcb");
1703 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1704 if (qeth_check_idx_response(iob
->data
)) {
1705 qeth_clear_ipacmd_list(card
);
1706 qeth_schedule_recovery(card
);
1710 cmd
= qeth_check_ipa_data(card
, iob
);
1711 if ((cmd
== NULL
) && (card
->state
!= CARD_STATE_DOWN
))
1713 /*in case of OSN : check if cmd is set */
1714 if (card
->info
.type
== QETH_CARD_TYPE_OSN
&&
1716 cmd
->hdr
.command
!= IPA_CMD_STARTLAN
&&
1717 card
->osn_info
.assist_cb
!= NULL
) {
1718 card
->osn_info
.assist_cb(card
->dev
, cmd
);
1722 spin_lock_irqsave(&card
->lock
, flags
);
1723 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
1724 if ((reply
->seqno
== QETH_IDX_COMMAND_SEQNO
) ||
1725 ((cmd
) && (reply
->seqno
== cmd
->hdr
.seqno
))) {
1726 qeth_get_reply(reply
);
1727 list_del_init(&reply
->list
);
1728 spin_unlock_irqrestore(&card
->lock
, flags
);
1730 if (reply
->callback
!= NULL
) {
1732 reply
->offset
= (__u16
)((char*)cmd
-
1734 keep_reply
= reply
->callback(card
,
1736 (unsigned long)cmd
);
1738 keep_reply
= reply
->callback(card
,
1740 (unsigned long)iob
);
1743 reply
->rc
= (u16
) cmd
->hdr
.return_code
;
1745 reply
->rc
= iob
->rc
;
1747 spin_lock_irqsave(&card
->lock
, flags
);
1748 list_add_tail(&reply
->list
,
1749 &card
->cmd_waiter_list
);
1750 spin_unlock_irqrestore(&card
->lock
, flags
);
1752 atomic_inc(&reply
->received
);
1753 wake_up(&reply
->wait_q
);
1755 qeth_put_reply(reply
);
1759 spin_unlock_irqrestore(&card
->lock
, flags
);
1761 memcpy(&card
->seqno
.pdu_hdr_ack
,
1762 QETH_PDU_HEADER_SEQ_NO(iob
->data
),
1763 QETH_SEQ_NO_LENGTH
);
1764 qeth_release_buffer(channel
,iob
);
1768 qeth_prepare_control_data(struct qeth_card
*card
, int len
,
1769 struct qeth_cmd_buffer
*iob
)
1771 qeth_setup_ccw(&card
->write
,iob
->data
,len
);
1772 iob
->callback
= qeth_release_buffer
;
1774 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1775 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1776 card
->seqno
.trans_hdr
++;
1777 memcpy(QETH_PDU_HEADER_SEQ_NO(iob
->data
),
1778 &card
->seqno
.pdu_hdr
, QETH_SEQ_NO_LENGTH
);
1779 card
->seqno
.pdu_hdr
++;
1780 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob
->data
),
1781 &card
->seqno
.pdu_hdr_ack
, QETH_SEQ_NO_LENGTH
);
1782 QETH_DBF_HEX(control
, 2, iob
->data
, QETH_DBF_CONTROL_LEN
);
1786 qeth_send_control_data(struct qeth_card
*card
, int len
,
1787 struct qeth_cmd_buffer
*iob
,
1789 (struct qeth_card
*, struct qeth_reply
*, unsigned long),
1794 unsigned long flags
;
1795 struct qeth_reply
*reply
= NULL
;
1796 unsigned long timeout
;
1798 QETH_DBF_TEXT(trace
, 2, "sendctl");
1800 reply
= qeth_alloc_reply(card
);
1802 PRINT_WARN("Could no alloc qeth_reply!\n");
1805 reply
->callback
= reply_cb
;
1806 reply
->param
= reply_param
;
1807 if (card
->state
== CARD_STATE_DOWN
)
1808 reply
->seqno
= QETH_IDX_COMMAND_SEQNO
;
1810 reply
->seqno
= card
->seqno
.ipa
++;
1811 init_waitqueue_head(&reply
->wait_q
);
1812 spin_lock_irqsave(&card
->lock
, flags
);
1813 list_add_tail(&reply
->list
, &card
->cmd_waiter_list
);
1814 spin_unlock_irqrestore(&card
->lock
, flags
);
1815 QETH_DBF_HEX(control
, 2, iob
->data
, QETH_DBF_CONTROL_LEN
);
1817 while (atomic_cmpxchg(&card
->write
.irq_pending
, 0, 1)) ;
1818 qeth_prepare_control_data(card
, len
, iob
);
1820 if (IS_IPA(iob
->data
))
1821 timeout
= jiffies
+ QETH_IPA_TIMEOUT
;
1823 timeout
= jiffies
+ QETH_TIMEOUT
;
1825 QETH_DBF_TEXT(trace
, 6, "noirqpnd");
1826 spin_lock_irqsave(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
1827 rc
= ccw_device_start(card
->write
.ccwdev
, &card
->write
.ccw
,
1828 (addr_t
) iob
, 0, 0);
1829 spin_unlock_irqrestore(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
1831 PRINT_WARN("qeth_send_control_data: "
1832 "ccw_device_start rc = %i\n", rc
);
1833 QETH_DBF_TEXT_(trace
, 2, " err%d", rc
);
1834 spin_lock_irqsave(&card
->lock
, flags
);
1835 list_del_init(&reply
->list
);
1836 qeth_put_reply(reply
);
1837 spin_unlock_irqrestore(&card
->lock
, flags
);
1838 qeth_release_buffer(iob
->channel
, iob
);
1839 atomic_set(&card
->write
.irq_pending
, 0);
1840 wake_up(&card
->wait_q
);
1843 while (!atomic_read(&reply
->received
)) {
1844 if (time_after(jiffies
, timeout
)) {
1845 spin_lock_irqsave(&reply
->card
->lock
, flags
);
1846 list_del_init(&reply
->list
);
1847 spin_unlock_irqrestore(&reply
->card
->lock
, flags
);
1849 atomic_inc(&reply
->received
);
1850 wake_up(&reply
->wait_q
);
1854 qeth_put_reply(reply
);
1859 qeth_osn_send_control_data(struct qeth_card
*card
, int len
,
1860 struct qeth_cmd_buffer
*iob
)
1862 unsigned long flags
;
1865 QETH_DBF_TEXT(trace
, 5, "osndctrd");
1867 wait_event(card
->wait_q
,
1868 atomic_cmpxchg(&card
->write
.irq_pending
, 0, 1) == 0);
1869 qeth_prepare_control_data(card
, len
, iob
);
1870 QETH_DBF_TEXT(trace
, 6, "osnoirqp");
1871 spin_lock_irqsave(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
1872 rc
= ccw_device_start(card
->write
.ccwdev
, &card
->write
.ccw
,
1873 (addr_t
) iob
, 0, 0);
1874 spin_unlock_irqrestore(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
1876 PRINT_WARN("qeth_osn_send_control_data: "
1877 "ccw_device_start rc = %i\n", rc
);
1878 QETH_DBF_TEXT_(trace
, 2, " err%d", rc
);
1879 qeth_release_buffer(iob
->channel
, iob
);
1880 atomic_set(&card
->write
.irq_pending
, 0);
1881 wake_up(&card
->wait_q
);
1887 qeth_prepare_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
1890 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
1891 memcpy(QETH_IPA_CMD_PROT_TYPE(iob
->data
),&prot_type
,1);
1892 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
1893 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
1897 qeth_osn_send_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
1902 QETH_DBF_TEXT(trace
,4,"osndipa");
1904 qeth_prepare_ipa_cmd(card
, iob
, QETH_PROT_OSN2
);
1905 s1
= (u16
)(IPA_PDU_HEADER_SIZE
+ data_len
);
1907 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob
->data
), &s1
, 2);
1908 memcpy(QETH_IPA_PDU_LEN_PDU1(iob
->data
), &s2
, 2);
1909 memcpy(QETH_IPA_PDU_LEN_PDU2(iob
->data
), &s2
, 2);
1910 memcpy(QETH_IPA_PDU_LEN_PDU3(iob
->data
), &s2
, 2);
1911 return qeth_osn_send_control_data(card
, s1
, iob
);
1915 qeth_send_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
1917 (struct qeth_card
*,struct qeth_reply
*, unsigned long),
1923 QETH_DBF_TEXT(trace
,4,"sendipa");
1925 if (card
->options
.layer2
)
1926 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
1927 prot_type
= QETH_PROT_OSN2
;
1929 prot_type
= QETH_PROT_LAYER2
;
1931 prot_type
= QETH_PROT_TCPIP
;
1932 qeth_prepare_ipa_cmd(card
,iob
,prot_type
);
1933 rc
= qeth_send_control_data(card
, IPA_CMD_LENGTH
, iob
,
1934 reply_cb
, reply_param
);
1940 qeth_cm_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1943 struct qeth_cmd_buffer
*iob
;
1945 QETH_DBF_TEXT(setup
, 2, "cmenblcb");
1947 iob
= (struct qeth_cmd_buffer
*) data
;
1948 memcpy(&card
->token
.cm_filter_r
,
1949 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
1950 QETH_MPC_TOKEN_LENGTH
);
1951 QETH_DBF_TEXT_(setup
, 2, " rc%d", iob
->rc
);
1956 qeth_cm_enable(struct qeth_card
*card
)
1959 struct qeth_cmd_buffer
*iob
;
1961 QETH_DBF_TEXT(setup
,2,"cmenable");
1963 iob
= qeth_wait_for_buffer(&card
->write
);
1964 memcpy(iob
->data
, CM_ENABLE
, CM_ENABLE_SIZE
);
1965 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob
->data
),
1966 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
1967 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob
->data
),
1968 &card
->token
.cm_filter_w
, QETH_MPC_TOKEN_LENGTH
);
1970 rc
= qeth_send_control_data(card
, CM_ENABLE_SIZE
, iob
,
1971 qeth_cm_enable_cb
, NULL
);
1976 qeth_cm_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1980 struct qeth_cmd_buffer
*iob
;
1982 QETH_DBF_TEXT(setup
, 2, "cmsetpcb");
1984 iob
= (struct qeth_cmd_buffer
*) data
;
1985 memcpy(&card
->token
.cm_connection_r
,
1986 QETH_CM_SETUP_RESP_DEST_ADDR(iob
->data
),
1987 QETH_MPC_TOKEN_LENGTH
);
1988 QETH_DBF_TEXT_(setup
, 2, " rc%d", iob
->rc
);
1993 qeth_cm_setup(struct qeth_card
*card
)
1996 struct qeth_cmd_buffer
*iob
;
1998 QETH_DBF_TEXT(setup
,2,"cmsetup");
2000 iob
= qeth_wait_for_buffer(&card
->write
);
2001 memcpy(iob
->data
, CM_SETUP
, CM_SETUP_SIZE
);
2002 memcpy(QETH_CM_SETUP_DEST_ADDR(iob
->data
),
2003 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
2004 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob
->data
),
2005 &card
->token
.cm_connection_w
, QETH_MPC_TOKEN_LENGTH
);
2006 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob
->data
),
2007 &card
->token
.cm_filter_r
, QETH_MPC_TOKEN_LENGTH
);
2008 rc
= qeth_send_control_data(card
, CM_SETUP_SIZE
, iob
,
2009 qeth_cm_setup_cb
, NULL
);
2015 qeth_ulp_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2019 __u16 mtu
, framesize
;
2022 struct qeth_cmd_buffer
*iob
;
2024 QETH_DBF_TEXT(setup
, 2, "ulpenacb");
2026 iob
= (struct qeth_cmd_buffer
*) data
;
2027 memcpy(&card
->token
.ulp_filter_r
,
2028 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
2029 QETH_MPC_TOKEN_LENGTH
);
2030 if (qeth_get_mtu_out_of_mpc(card
->info
.type
)) {
2031 memcpy(&framesize
, QETH_ULP_ENABLE_RESP_MAX_MTU(iob
->data
), 2);
2032 mtu
= qeth_get_mtu_outof_framesize(framesize
);
2035 QETH_DBF_TEXT_(setup
, 2, " rc%d", iob
->rc
);
2038 card
->info
.max_mtu
= mtu
;
2039 card
->info
.initial_mtu
= mtu
;
2040 card
->qdio
.in_buf_size
= mtu
+ 2 * PAGE_SIZE
;
2042 card
->info
.initial_mtu
= qeth_get_initial_mtu_for_card(card
);
2043 card
->info
.max_mtu
= qeth_get_max_mtu_for_card(card
->info
.type
);
2044 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
2047 memcpy(&len
, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob
->data
), 2);
2048 if (len
>= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE
) {
2050 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob
->data
), 1);
2051 card
->info
.link_type
= link_type
;
2053 card
->info
.link_type
= 0;
2054 QETH_DBF_TEXT_(setup
, 2, " rc%d", iob
->rc
);
2059 qeth_ulp_enable(struct qeth_card
*card
)
2063 struct qeth_cmd_buffer
*iob
;
2065 /*FIXME: trace view callbacks*/
2066 QETH_DBF_TEXT(setup
,2,"ulpenabl");
2068 iob
= qeth_wait_for_buffer(&card
->write
);
2069 memcpy(iob
->data
, ULP_ENABLE
, ULP_ENABLE_SIZE
);
2071 *(QETH_ULP_ENABLE_LINKNUM(iob
->data
)) =
2072 (__u8
) card
->info
.portno
;
2073 if (card
->options
.layer2
)
2074 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2075 prot_type
= QETH_PROT_OSN2
;
2077 prot_type
= QETH_PROT_LAYER2
;
2079 prot_type
= QETH_PROT_TCPIP
;
2081 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob
->data
),&prot_type
,1);
2082 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob
->data
),
2083 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2084 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob
->data
),
2085 &card
->token
.ulp_filter_w
, QETH_MPC_TOKEN_LENGTH
);
2086 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob
->data
),
2087 card
->info
.portname
, 9);
2088 rc
= qeth_send_control_data(card
, ULP_ENABLE_SIZE
, iob
,
2089 qeth_ulp_enable_cb
, NULL
);
2095 __raw_devno_from_bus_id(char *id
)
2097 id
+= (strlen(id
) - 4);
2098 return (__u16
) simple_strtoul(id
, &id
, 16);
2102 qeth_ulp_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2105 struct qeth_cmd_buffer
*iob
;
2107 QETH_DBF_TEXT(setup
, 2, "ulpstpcb");
2109 iob
= (struct qeth_cmd_buffer
*) data
;
2110 memcpy(&card
->token
.ulp_connection_r
,
2111 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob
->data
),
2112 QETH_MPC_TOKEN_LENGTH
);
2113 QETH_DBF_TEXT_(setup
, 2, " rc%d", iob
->rc
);
2118 qeth_ulp_setup(struct qeth_card
*card
)
2122 struct qeth_cmd_buffer
*iob
;
2124 QETH_DBF_TEXT(setup
,2,"ulpsetup");
2126 iob
= qeth_wait_for_buffer(&card
->write
);
2127 memcpy(iob
->data
, ULP_SETUP
, ULP_SETUP_SIZE
);
2129 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob
->data
),
2130 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2131 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob
->data
),
2132 &card
->token
.ulp_connection_w
, QETH_MPC_TOKEN_LENGTH
);
2133 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob
->data
),
2134 &card
->token
.ulp_filter_r
, QETH_MPC_TOKEN_LENGTH
);
2136 temp
= __raw_devno_from_bus_id(CARD_DDEV_ID(card
));
2137 memcpy(QETH_ULP_SETUP_CUA(iob
->data
), &temp
, 2);
2138 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
2139 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob
->data
), &temp
, 2);
2140 rc
= qeth_send_control_data(card
, ULP_SETUP_SIZE
, iob
,
2141 qeth_ulp_setup_cb
, NULL
);
2146 qeth_check_qdio_errors(struct qdio_buffer
*buf
, unsigned int qdio_error
,
2147 unsigned int siga_error
, const char *dbftext
)
2149 if (qdio_error
|| siga_error
) {
2150 QETH_DBF_TEXT(trace
, 2, dbftext
);
2151 QETH_DBF_TEXT(qerr
, 2, dbftext
);
2152 QETH_DBF_TEXT_(qerr
, 2, " F15=%02X",
2153 buf
->element
[15].flags
& 0xff);
2154 QETH_DBF_TEXT_(qerr
, 2, " F14=%02X",
2155 buf
->element
[14].flags
& 0xff);
2156 QETH_DBF_TEXT_(qerr
, 2, " qerr=%X", qdio_error
);
2157 QETH_DBF_TEXT_(qerr
, 2, " serr=%X", siga_error
);
2163 static struct sk_buff
*
2164 qeth_get_skb(unsigned int length
, struct qeth_hdr
*hdr
)
2166 struct sk_buff
* skb
;
2170 if (hdr
->hdr
.osn
.id
== QETH_HEADER_TYPE_OSN
)
2171 add_len
= sizeof(struct qeth_hdr
);
2172 #ifdef CONFIG_QETH_VLAN
2174 add_len
= VLAN_HLEN
;
2176 skb
= dev_alloc_skb(length
+ add_len
);
2178 skb_reserve(skb
, add_len
);
2182 static struct sk_buff
*
2183 qeth_get_next_skb(struct qeth_card
*card
, struct qdio_buffer
*buffer
,
2184 struct qdio_buffer_element
**__element
, int *__offset
,
2185 struct qeth_hdr
**hdr
)
2187 struct qdio_buffer_element
*element
= *__element
;
2188 int offset
= *__offset
;
2189 struct sk_buff
*skb
= NULL
;
2194 QETH_DBF_TEXT(trace
,6,"nextskb");
2195 /* qeth_hdr must not cross element boundaries */
2196 if (element
->length
< offset
+ sizeof(struct qeth_hdr
)){
2197 if (qeth_is_last_sbale(element
))
2201 if (element
->length
< sizeof(struct qeth_hdr
))
2204 *hdr
= element
->addr
+ offset
;
2206 offset
+= sizeof(struct qeth_hdr
);
2207 if (card
->options
.layer2
)
2208 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2209 skb_len
= (*hdr
)->hdr
.osn
.pdu_length
;
2211 skb_len
= (*hdr
)->hdr
.l2
.pkt_length
;
2213 skb_len
= (*hdr
)->hdr
.l3
.length
;
2217 if (card
->options
.fake_ll
){
2218 if(card
->dev
->type
== ARPHRD_IEEE802_TR
){
2219 if (!(skb
= qeth_get_skb(skb_len
+QETH_FAKE_LL_LEN_TR
, *hdr
)))
2221 skb_reserve(skb
,QETH_FAKE_LL_LEN_TR
);
2223 if (!(skb
= qeth_get_skb(skb_len
+QETH_FAKE_LL_LEN_ETH
, *hdr
)))
2225 skb_reserve(skb
,QETH_FAKE_LL_LEN_ETH
);
2227 } else if (!(skb
= qeth_get_skb(skb_len
, *hdr
)))
2229 data_ptr
= element
->addr
+ offset
;
2231 data_len
= min(skb_len
, (int)(element
->length
- offset
));
2233 memcpy(skb_put(skb
, data_len
), data_ptr
, data_len
);
2234 skb_len
-= data_len
;
2236 if (qeth_is_last_sbale(element
)){
2237 QETH_DBF_TEXT(trace
,4,"unexeob");
2238 QETH_DBF_TEXT_(trace
,4,"%s",CARD_BUS_ID(card
));
2239 QETH_DBF_TEXT(qerr
,2,"unexeob");
2240 QETH_DBF_TEXT_(qerr
,2,"%s",CARD_BUS_ID(card
));
2241 QETH_DBF_HEX(misc
,4,buffer
,sizeof(*buffer
));
2242 dev_kfree_skb_any(skb
);
2243 card
->stats
.rx_errors
++;
2248 data_ptr
= element
->addr
;
2253 *__element
= element
;
2257 if (net_ratelimit()){
2258 PRINT_WARN("No memory for packet received on %s.\n",
2259 QETH_CARD_IFNAME(card
));
2260 QETH_DBF_TEXT(trace
,2,"noskbmem");
2261 QETH_DBF_TEXT_(trace
,2,"%s",CARD_BUS_ID(card
));
2263 card
->stats
.rx_dropped
++;
2268 qeth_type_trans(struct sk_buff
*skb
, struct net_device
*dev
)
2270 struct qeth_card
*card
;
2273 QETH_DBF_TEXT(trace
,6,"typtrans");
2275 card
= (struct qeth_card
*)dev
->priv
;
2277 if ((card
->info
.link_type
== QETH_LINK_TYPE_HSTR
) ||
2278 (card
->info
.link_type
== QETH_LINK_TYPE_LANE_TR
))
2279 return tr_type_trans(skb
,dev
);
2280 #endif /* CONFIG_TR */
2281 skb_reset_mac_header(skb
);
2282 skb_pull(skb
, ETH_HLEN
);
2285 if (*eth
->h_dest
& 1) {
2286 if (memcmp(eth
->h_dest
, dev
->broadcast
, ETH_ALEN
) == 0)
2287 skb
->pkt_type
= PACKET_BROADCAST
;
2289 skb
->pkt_type
= PACKET_MULTICAST
;
2290 } else if (memcmp(eth
->h_dest
, dev
->dev_addr
, ETH_ALEN
))
2291 skb
->pkt_type
= PACKET_OTHERHOST
;
2293 if (ntohs(eth
->h_proto
) >= 1536)
2294 return eth
->h_proto
;
2295 if (*(unsigned short *) (skb
->data
) == 0xFFFF)
2296 return htons(ETH_P_802_3
);
2297 return htons(ETH_P_802_2
);
2301 qeth_rebuild_skb_fake_ll_tr(struct qeth_card
*card
, struct sk_buff
*skb
,
2302 struct qeth_hdr
*hdr
)
2304 struct trh_hdr
*fake_hdr
;
2305 struct trllc
*fake_llc
;
2306 struct iphdr
*ip_hdr
;
2308 QETH_DBF_TEXT(trace
,5,"skbfktr");
2309 skb_set_mac_header(skb
, -QETH_FAKE_LL_LEN_TR
);
2310 /* this is a fake ethernet header */
2311 fake_hdr
= tr_hdr(skb
);
2313 /* the destination MAC address */
2314 switch (skb
->pkt_type
){
2315 case PACKET_MULTICAST
:
2316 switch (skb
->protocol
){
2317 #ifdef CONFIG_QETH_IPV6
2318 case __constant_htons(ETH_P_IPV6
):
2319 ndisc_mc_map((struct in6_addr
*)
2320 skb
->data
+ QETH_FAKE_LL_V6_ADDR_POS
,
2321 fake_hdr
->daddr
, card
->dev
, 0);
2323 #endif /* CONFIG_QETH_IPV6 */
2324 case __constant_htons(ETH_P_IP
):
2325 ip_hdr
= (struct iphdr
*)skb
->data
;
2326 ip_tr_mc_map(ip_hdr
->daddr
, fake_hdr
->daddr
);
2329 memcpy(fake_hdr
->daddr
, card
->dev
->dev_addr
, TR_ALEN
);
2332 case PACKET_BROADCAST
:
2333 memset(fake_hdr
->daddr
, 0xff, TR_ALEN
);
2336 memcpy(fake_hdr
->daddr
, card
->dev
->dev_addr
, TR_ALEN
);
2338 /* the source MAC address */
2339 if (hdr
->hdr
.l3
.ext_flags
& QETH_HDR_EXT_SRC_MAC_ADDR
)
2340 memcpy(fake_hdr
->saddr
, &hdr
->hdr
.l3
.dest_addr
[2], TR_ALEN
);
2342 memset(fake_hdr
->saddr
, 0, TR_ALEN
);
2344 fake_llc
= (struct trllc
*)&(fake_hdr
->rcf
);
2345 fake_llc
->dsap
= EXTENDED_SAP
;
2346 fake_llc
->ssap
= EXTENDED_SAP
;
2347 fake_llc
->llc
= UI_CMD
;
2348 fake_llc
->protid
[0] = 0;
2349 fake_llc
->protid
[1] = 0;
2350 fake_llc
->protid
[2] = 0;
2351 fake_llc
->ethertype
= ETH_P_IP
;
2355 qeth_rebuild_skb_fake_ll_eth(struct qeth_card
*card
, struct sk_buff
*skb
,
2356 struct qeth_hdr
*hdr
)
2358 struct ethhdr
*fake_hdr
;
2359 struct iphdr
*ip_hdr
;
2361 QETH_DBF_TEXT(trace
,5,"skbfketh");
2362 skb_set_mac_header(skb
, -QETH_FAKE_LL_LEN_ETH
);
2363 /* this is a fake ethernet header */
2364 fake_hdr
= eth_hdr(skb
);
2366 /* the destination MAC address */
2367 switch (skb
->pkt_type
){
2368 case PACKET_MULTICAST
:
2369 switch (skb
->protocol
){
2370 #ifdef CONFIG_QETH_IPV6
2371 case __constant_htons(ETH_P_IPV6
):
2372 ndisc_mc_map((struct in6_addr
*)
2373 skb
->data
+ QETH_FAKE_LL_V6_ADDR_POS
,
2374 fake_hdr
->h_dest
, card
->dev
, 0);
2376 #endif /* CONFIG_QETH_IPV6 */
2377 case __constant_htons(ETH_P_IP
):
2378 ip_hdr
= (struct iphdr
*)skb
->data
;
2379 ip_eth_mc_map(ip_hdr
->daddr
, fake_hdr
->h_dest
);
2382 memcpy(fake_hdr
->h_dest
, card
->dev
->dev_addr
, ETH_ALEN
);
2385 case PACKET_BROADCAST
:
2386 memset(fake_hdr
->h_dest
, 0xff, ETH_ALEN
);
2389 memcpy(fake_hdr
->h_dest
, card
->dev
->dev_addr
, ETH_ALEN
);
2391 /* the source MAC address */
2392 if (hdr
->hdr
.l3
.ext_flags
& QETH_HDR_EXT_SRC_MAC_ADDR
)
2393 memcpy(fake_hdr
->h_source
, &hdr
->hdr
.l3
.dest_addr
[2], ETH_ALEN
);
2395 memset(fake_hdr
->h_source
, 0, ETH_ALEN
);
2397 fake_hdr
->h_proto
= skb
->protocol
;
2401 qeth_rebuild_skb_fake_ll(struct qeth_card
*card
, struct sk_buff
*skb
,
2402 struct qeth_hdr
*hdr
)
2404 if (card
->dev
->type
== ARPHRD_IEEE802_TR
)
2405 qeth_rebuild_skb_fake_ll_tr(card
, skb
, hdr
);
2407 qeth_rebuild_skb_fake_ll_eth(card
, skb
, hdr
);
2411 qeth_layer2_rebuild_skb(struct qeth_card
*card
, struct sk_buff
*skb
,
2412 struct qeth_hdr
*hdr
)
2414 skb
->pkt_type
= PACKET_HOST
;
2415 skb
->protocol
= qeth_type_trans(skb
, skb
->dev
);
2416 if (card
->options
.checksum_type
== NO_CHECKSUMMING
)
2417 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
2419 skb
->ip_summed
= CHECKSUM_NONE
;
2420 *((__u32
*)skb
->cb
) = ++card
->seqno
.pkt_seqno
;
2424 qeth_rebuild_skb(struct qeth_card
*card
, struct sk_buff
*skb
,
2425 struct qeth_hdr
*hdr
)
2427 unsigned short vlan_id
= 0;
2428 #ifdef CONFIG_QETH_IPV6
2429 if (hdr
->hdr
.l3
.flags
& QETH_HDR_PASSTHRU
) {
2430 skb
->pkt_type
= PACKET_HOST
;
2431 skb
->protocol
= qeth_type_trans(skb
, card
->dev
);
2434 #endif /* CONFIG_QETH_IPV6 */
2435 skb
->protocol
= htons((hdr
->hdr
.l3
.flags
& QETH_HDR_IPV6
)? ETH_P_IPV6
:
2437 switch (hdr
->hdr
.l3
.flags
& QETH_HDR_CAST_MASK
){
2438 case QETH_CAST_UNICAST
:
2439 skb
->pkt_type
= PACKET_HOST
;
2441 case QETH_CAST_MULTICAST
:
2442 skb
->pkt_type
= PACKET_MULTICAST
;
2443 card
->stats
.multicast
++;
2445 case QETH_CAST_BROADCAST
:
2446 skb
->pkt_type
= PACKET_BROADCAST
;
2447 card
->stats
.multicast
++;
2449 case QETH_CAST_ANYCAST
:
2450 case QETH_CAST_NOCAST
:
2452 skb
->pkt_type
= PACKET_HOST
;
2455 if (hdr
->hdr
.l3
.ext_flags
&
2456 (QETH_HDR_EXT_VLAN_FRAME
| QETH_HDR_EXT_INCLUDE_VLAN_TAG
)) {
2457 vlan_id
= (hdr
->hdr
.l3
.ext_flags
& QETH_HDR_EXT_VLAN_FRAME
)?
2458 hdr
->hdr
.l3
.vlan_id
: *((u16
*)&hdr
->hdr
.l3
.dest_addr
[12]);
2461 if (card
->options
.fake_ll
)
2462 qeth_rebuild_skb_fake_ll(card
, skb
, hdr
);
2464 skb_reset_mac_header(skb
);
2465 skb
->ip_summed
= card
->options
.checksum_type
;
2466 if (card
->options
.checksum_type
== HW_CHECKSUMMING
){
2467 if ( (hdr
->hdr
.l3
.ext_flags
&
2468 (QETH_HDR_EXT_CSUM_HDR_REQ
|
2469 QETH_HDR_EXT_CSUM_TRANSP_REQ
)) ==
2470 (QETH_HDR_EXT_CSUM_HDR_REQ
|
2471 QETH_HDR_EXT_CSUM_TRANSP_REQ
) )
2472 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
2474 skb
->ip_summed
= SW_CHECKSUMMING
;
2480 qeth_process_inbound_buffer(struct qeth_card
*card
,
2481 struct qeth_qdio_buffer
*buf
, int index
)
2483 struct qdio_buffer_element
*element
;
2484 struct sk_buff
*skb
;
2485 struct qeth_hdr
*hdr
;
2490 /* get first element of current buffer */
2491 element
= (struct qdio_buffer_element
*)&buf
->buffer
->element
[0];
2493 if (card
->options
.performance_stats
)
2494 card
->perf_stats
.bufs_rec
++;
2495 while((skb
= qeth_get_next_skb(card
, buf
->buffer
, &element
,
2497 skb
->dev
= card
->dev
;
2498 if (hdr
->hdr
.l2
.id
== QETH_HEADER_TYPE_LAYER2
)
2499 qeth_layer2_rebuild_skb(card
, skb
, hdr
);
2500 else if (hdr
->hdr
.l3
.id
== QETH_HEADER_TYPE_LAYER3
)
2501 vlan_tag
= qeth_rebuild_skb(card
, skb
, hdr
);
2502 else { /*in case of OSN*/
2503 skb_push(skb
, sizeof(struct qeth_hdr
));
2504 memcpy(skb
->data
, hdr
, sizeof(struct qeth_hdr
));
2506 /* is device UP ? */
2507 if (!(card
->dev
->flags
& IFF_UP
)){
2508 dev_kfree_skb_any(skb
);
2511 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2512 rxrc
= card
->osn_info
.data_cb(skb
);
2514 #ifdef CONFIG_QETH_VLAN
2517 vlan_hwaccel_rx(skb
, card
->vlangrp
, vlan_tag
);
2519 dev_kfree_skb_any(skb
);
2524 rxrc
= netif_rx(skb
);
2525 card
->dev
->last_rx
= jiffies
;
2526 card
->stats
.rx_packets
++;
2527 card
->stats
.rx_bytes
+= skb
->len
;
2531 static struct qeth_buffer_pool_entry
*
2532 qeth_get_buffer_pool_entry(struct qeth_card
*card
)
2534 struct qeth_buffer_pool_entry
*entry
;
2536 QETH_DBF_TEXT(trace
, 6, "gtbfplen");
2537 if (!list_empty(&card
->qdio
.in_buf_pool
.entry_list
)) {
2538 entry
= list_entry(card
->qdio
.in_buf_pool
.entry_list
.next
,
2539 struct qeth_buffer_pool_entry
, list
);
2540 list_del_init(&entry
->list
);
2547 qeth_init_input_buffer(struct qeth_card
*card
, struct qeth_qdio_buffer
*buf
)
2549 struct qeth_buffer_pool_entry
*pool_entry
;
2552 pool_entry
= qeth_get_buffer_pool_entry(card
);
2554 * since the buffer is accessed only from the input_tasklet
2555 * there shouldn't be a need to synchronize; also, since we use
2556 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2559 BUG_ON(!pool_entry
);
2561 buf
->pool_entry
= pool_entry
;
2562 for(i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
){
2563 buf
->buffer
->element
[i
].length
= PAGE_SIZE
;
2564 buf
->buffer
->element
[i
].addr
= pool_entry
->elements
[i
];
2565 if (i
== QETH_MAX_BUFFER_ELEMENTS(card
) - 1)
2566 buf
->buffer
->element
[i
].flags
= SBAL_FLAGS_LAST_ENTRY
;
2568 buf
->buffer
->element
[i
].flags
= 0;
2570 buf
->state
= QETH_QDIO_BUF_EMPTY
;
2574 qeth_clear_output_buffer(struct qeth_qdio_out_q
*queue
,
2575 struct qeth_qdio_out_buffer
*buf
)
2578 struct sk_buff
*skb
;
2580 /* is PCI flag set on buffer? */
2581 if (buf
->buffer
->element
[0].flags
& 0x40)
2582 atomic_dec(&queue
->set_pci_flags_count
);
2584 while ((skb
= skb_dequeue(&buf
->skb_list
))){
2585 atomic_dec(&skb
->users
);
2586 dev_kfree_skb_any(skb
);
2588 qeth_eddp_buf_release_contexts(buf
);
2589 for(i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(queue
->card
); ++i
){
2590 buf
->buffer
->element
[i
].length
= 0;
2591 buf
->buffer
->element
[i
].addr
= NULL
;
2592 buf
->buffer
->element
[i
].flags
= 0;
2594 buf
->next_element_to_fill
= 0;
2595 atomic_set(&buf
->state
, QETH_QDIO_BUF_EMPTY
);
2599 qeth_queue_input_buffer(struct qeth_card
*card
, int index
)
2601 struct qeth_qdio_q
*queue
= card
->qdio
.in_q
;
2606 QETH_DBF_TEXT(trace
,6,"queinbuf");
2607 count
= (index
< queue
->next_buf_to_init
)?
2608 card
->qdio
.in_buf_pool
.buf_count
-
2609 (queue
->next_buf_to_init
- index
) :
2610 card
->qdio
.in_buf_pool
.buf_count
-
2611 (queue
->next_buf_to_init
+ QDIO_MAX_BUFFERS_PER_Q
- index
);
2612 /* only requeue at a certain threshold to avoid SIGAs */
2613 if (count
>= QETH_IN_BUF_REQUEUE_THRESHOLD(card
)){
2614 for (i
= queue
->next_buf_to_init
;
2615 i
< queue
->next_buf_to_init
+ count
; ++i
)
2616 qeth_init_input_buffer(card
,
2617 &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
]);
2619 * according to old code it should be avoided to requeue all
2620 * 128 buffers in order to benefit from PCI avoidance.
2621 * this function keeps at least one buffer (the buffer at
2622 * 'index') un-requeued -> this buffer is the first buffer that
2623 * will be requeued the next time
2625 if (card
->options
.performance_stats
) {
2626 card
->perf_stats
.inbound_do_qdio_cnt
++;
2627 card
->perf_stats
.inbound_do_qdio_start_time
=
2630 rc
= do_QDIO(CARD_DDEV(card
),
2631 QDIO_FLAG_SYNC_INPUT
| QDIO_FLAG_UNDER_INTERRUPT
,
2632 0, queue
->next_buf_to_init
, count
, NULL
);
2633 if (card
->options
.performance_stats
)
2634 card
->perf_stats
.inbound_do_qdio_time
+=
2636 card
->perf_stats
.inbound_do_qdio_start_time
;
2638 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2639 "return %i (device %s).\n",
2640 rc
, CARD_DDEV_ID(card
));
2641 QETH_DBF_TEXT(trace
,2,"qinberr");
2642 QETH_DBF_TEXT_(trace
,2,"%s",CARD_BUS_ID(card
));
2644 queue
->next_buf_to_init
= (queue
->next_buf_to_init
+ count
) %
2645 QDIO_MAX_BUFFERS_PER_Q
;
2650 qeth_put_buffer_pool_entry(struct qeth_card
*card
,
2651 struct qeth_buffer_pool_entry
*entry
)
2653 QETH_DBF_TEXT(trace
, 6, "ptbfplen");
2654 list_add_tail(&entry
->list
, &card
->qdio
.in_buf_pool
.entry_list
);
2658 qeth_qdio_input_handler(struct ccw_device
* ccwdev
, unsigned int status
,
2659 unsigned int qdio_err
, unsigned int siga_err
,
2660 unsigned int queue
, int first_element
, int count
,
2661 unsigned long card_ptr
)
2663 struct net_device
*net_dev
;
2664 struct qeth_card
*card
;
2665 struct qeth_qdio_buffer
*buffer
;
2669 QETH_DBF_TEXT(trace
, 6, "qdinput");
2670 card
= (struct qeth_card
*) card_ptr
;
2671 net_dev
= card
->dev
;
2672 if (card
->options
.performance_stats
) {
2673 card
->perf_stats
.inbound_cnt
++;
2674 card
->perf_stats
.inbound_start_time
= qeth_get_micros();
2676 if (status
& QDIO_STATUS_LOOK_FOR_ERROR
) {
2677 if (status
& QDIO_STATUS_ACTIVATE_CHECK_CONDITION
){
2678 QETH_DBF_TEXT(trace
, 1,"qdinchk");
2679 QETH_DBF_TEXT_(trace
,1,"%s",CARD_BUS_ID(card
));
2680 QETH_DBF_TEXT_(trace
,1,"%04X%04X",first_element
,count
);
2681 QETH_DBF_TEXT_(trace
,1,"%04X%04X", queue
, status
);
2682 qeth_schedule_recovery(card
);
2686 for (i
= first_element
; i
< (first_element
+ count
); ++i
) {
2687 index
= i
% QDIO_MAX_BUFFERS_PER_Q
;
2688 buffer
= &card
->qdio
.in_q
->bufs
[index
];
2689 if (!((status
& QDIO_STATUS_LOOK_FOR_ERROR
) &&
2690 qeth_check_qdio_errors(buffer
->buffer
,
2691 qdio_err
, siga_err
,"qinerr")))
2692 qeth_process_inbound_buffer(card
, buffer
, index
);
2693 /* clear buffer and give back to hardware */
2694 qeth_put_buffer_pool_entry(card
, buffer
->pool_entry
);
2695 qeth_queue_input_buffer(card
, index
);
2697 if (card
->options
.performance_stats
)
2698 card
->perf_stats
.inbound_time
+= qeth_get_micros() -
2699 card
->perf_stats
.inbound_start_time
;
2703 qeth_handle_send_error(struct qeth_card
*card
,
2704 struct qeth_qdio_out_buffer
*buffer
,
2705 unsigned int qdio_err
, unsigned int siga_err
)
2707 int sbalf15
= buffer
->buffer
->element
[15].flags
& 0xff;
2708 int cc
= siga_err
& 3;
2710 QETH_DBF_TEXT(trace
, 6, "hdsnderr");
2711 qeth_check_qdio_errors(buffer
->buffer
, qdio_err
, siga_err
, "qouterr");
2715 QETH_DBF_TEXT(trace
, 1,"lnkfail");
2716 QETH_DBF_TEXT_(trace
,1,"%s",CARD_BUS_ID(card
));
2717 QETH_DBF_TEXT_(trace
,1,"%04x %02x",
2718 (u16
)qdio_err
, (u8
)sbalf15
);
2719 return QETH_SEND_ERROR_LINK_FAILURE
;
2721 return QETH_SEND_ERROR_NONE
;
2723 if (siga_err
& QDIO_SIGA_ERROR_B_BIT_SET
) {
2724 QETH_DBF_TEXT(trace
, 1, "SIGAcc2B");
2725 QETH_DBF_TEXT_(trace
,1,"%s",CARD_BUS_ID(card
));
2726 return QETH_SEND_ERROR_KICK_IT
;
2728 if ((sbalf15
>= 15) && (sbalf15
<= 31))
2729 return QETH_SEND_ERROR_RETRY
;
2730 return QETH_SEND_ERROR_LINK_FAILURE
;
2731 /* look at qdio_error and sbalf 15 */
2733 QETH_DBF_TEXT(trace
, 1, "SIGAcc1");
2734 QETH_DBF_TEXT_(trace
,1,"%s",CARD_BUS_ID(card
));
2735 return QETH_SEND_ERROR_LINK_FAILURE
;
2738 QETH_DBF_TEXT(trace
, 1, "SIGAcc3");
2739 QETH_DBF_TEXT_(trace
,1,"%s",CARD_BUS_ID(card
));
2740 return QETH_SEND_ERROR_KICK_IT
;
2745 qeth_flush_buffers(struct qeth_qdio_out_q
*queue
, int under_int
,
2746 int index
, int count
)
2748 struct qeth_qdio_out_buffer
*buf
;
2752 QETH_DBF_TEXT(trace
, 6, "flushbuf");
2754 for (i
= index
; i
< index
+ count
; ++i
) {
2755 buf
= &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
];
2756 buf
->buffer
->element
[buf
->next_element_to_fill
- 1].flags
|=
2757 SBAL_FLAGS_LAST_ENTRY
;
2759 if (queue
->card
->info
.type
== QETH_CARD_TYPE_IQD
)
2762 if (!queue
->do_pack
){
2763 if ((atomic_read(&queue
->used_buffers
) >=
2764 (QETH_HIGH_WATERMARK_PACK
-
2765 QETH_WATERMARK_PACK_FUZZ
)) &&
2766 !atomic_read(&queue
->set_pci_flags_count
)){
2767 /* it's likely that we'll go to packing
2769 atomic_inc(&queue
->set_pci_flags_count
);
2770 buf
->buffer
->element
[0].flags
|= 0x40;
2773 if (!atomic_read(&queue
->set_pci_flags_count
)){
2775 * there's no outstanding PCI any more, so we
2776 * have to request a PCI to be sure the the PCI
2777 * will wake at some time in the future then we
2778 * can flush packed buffers that might still be
2779 * hanging around, which can happen if no
2780 * further send was requested by the stack
2782 atomic_inc(&queue
->set_pci_flags_count
);
2783 buf
->buffer
->element
[0].flags
|= 0x40;
2788 queue
->card
->dev
->trans_start
= jiffies
;
2789 if (queue
->card
->options
.performance_stats
) {
2790 queue
->card
->perf_stats
.outbound_do_qdio_cnt
++;
2791 queue
->card
->perf_stats
.outbound_do_qdio_start_time
=
2795 rc
= do_QDIO(CARD_DDEV(queue
->card
),
2796 QDIO_FLAG_SYNC_OUTPUT
| QDIO_FLAG_UNDER_INTERRUPT
,
2797 queue
->queue_no
, index
, count
, NULL
);
2799 rc
= do_QDIO(CARD_DDEV(queue
->card
), QDIO_FLAG_SYNC_OUTPUT
,
2800 queue
->queue_no
, index
, count
, NULL
);
2801 if (queue
->card
->options
.performance_stats
)
2802 queue
->card
->perf_stats
.outbound_do_qdio_time
+=
2804 queue
->card
->perf_stats
.outbound_do_qdio_start_time
;
2806 QETH_DBF_TEXT(trace
, 2, "flushbuf");
2807 QETH_DBF_TEXT_(trace
, 2, " err%d", rc
);
2808 QETH_DBF_TEXT_(trace
, 2, "%s", CARD_DDEV_ID(queue
->card
));
2809 queue
->card
->stats
.tx_errors
+= count
;
2810 /* this must not happen under normal circumstances. if it
2811 * happens something is really wrong -> recover */
2812 qeth_schedule_recovery(queue
->card
);
2815 atomic_add(count
, &queue
->used_buffers
);
2816 if (queue
->card
->options
.performance_stats
)
2817 queue
->card
->perf_stats
.bufs_sent
+= count
;
2821 * Switched to packing state if the number of used buffers on a queue
2822 * reaches a certain limit.
2825 qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q
*queue
)
2827 if (!queue
->do_pack
) {
2828 if (atomic_read(&queue
->used_buffers
)
2829 >= QETH_HIGH_WATERMARK_PACK
){
2830 /* switch non-PACKING -> PACKING */
2831 QETH_DBF_TEXT(trace
, 6, "np->pack");
2832 if (queue
->card
->options
.performance_stats
)
2833 queue
->card
->perf_stats
.sc_dp_p
++;
2840 * Switches from packing to non-packing mode. If there is a packing
2841 * buffer on the queue this buffer will be prepared to be flushed.
2842 * In that case 1 is returned to inform the caller. If no buffer
2843 * has to be flushed, zero is returned.
2846 qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q
*queue
)
2848 struct qeth_qdio_out_buffer
*buffer
;
2849 int flush_count
= 0;
2851 if (queue
->do_pack
) {
2852 if (atomic_read(&queue
->used_buffers
)
2853 <= QETH_LOW_WATERMARK_PACK
) {
2854 /* switch PACKING -> non-PACKING */
2855 QETH_DBF_TEXT(trace
, 6, "pack->np");
2856 if (queue
->card
->options
.performance_stats
)
2857 queue
->card
->perf_stats
.sc_p_dp
++;
2859 /* flush packing buffers */
2860 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
2861 if ((atomic_read(&buffer
->state
) ==
2862 QETH_QDIO_BUF_EMPTY
) &&
2863 (buffer
->next_element_to_fill
> 0)) {
2864 atomic_set(&buffer
->state
,QETH_QDIO_BUF_PRIMED
);
2866 queue
->next_buf_to_fill
=
2867 (queue
->next_buf_to_fill
+ 1) %
2868 QDIO_MAX_BUFFERS_PER_Q
;
2876 * Called to flush a packing buffer if no more pci flags are on the queue.
2877 * Checks if there is a packing buffer and prepares it to be flushed.
2878 * In that case returns 1, otherwise zero.
2881 qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q
*queue
)
2883 struct qeth_qdio_out_buffer
*buffer
;
2885 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
2886 if((atomic_read(&buffer
->state
) == QETH_QDIO_BUF_EMPTY
) &&
2887 (buffer
->next_element_to_fill
> 0)){
2888 /* it's a packing buffer */
2889 atomic_set(&buffer
->state
, QETH_QDIO_BUF_PRIMED
);
2890 queue
->next_buf_to_fill
=
2891 (queue
->next_buf_to_fill
+ 1) % QDIO_MAX_BUFFERS_PER_Q
;
2898 qeth_check_outbound_queue(struct qeth_qdio_out_q
*queue
)
2902 int q_was_packing
= 0;
2905 * check if weed have to switch to non-packing mode or if
2906 * we have to get a pci flag out on the queue
2908 if ((atomic_read(&queue
->used_buffers
) <= QETH_LOW_WATERMARK_PACK
) ||
2909 !atomic_read(&queue
->set_pci_flags_count
)){
2910 if (atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
) ==
2911 QETH_OUT_Q_UNLOCKED
) {
2913 * If we get in here, there was no action in
2914 * do_send_packet. So, we check if there is a
2915 * packing buffer to be flushed here.
2917 netif_stop_queue(queue
->card
->dev
);
2918 index
= queue
->next_buf_to_fill
;
2919 q_was_packing
= queue
->do_pack
;
2920 flush_cnt
+= qeth_switch_to_nonpacking_if_needed(queue
);
2922 !atomic_read(&queue
->set_pci_flags_count
))
2924 qeth_flush_buffers_on_no_pci(queue
);
2925 if (queue
->card
->options
.performance_stats
&&
2927 queue
->card
->perf_stats
.bufs_sent_pack
+=
2930 qeth_flush_buffers(queue
, 1, index
, flush_cnt
);
2931 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
2937 qeth_qdio_output_handler(struct ccw_device
* ccwdev
, unsigned int status
,
2938 unsigned int qdio_error
, unsigned int siga_error
,
2939 unsigned int __queue
, int first_element
, int count
,
2940 unsigned long card_ptr
)
2942 struct qeth_card
*card
= (struct qeth_card
*) card_ptr
;
2943 struct qeth_qdio_out_q
*queue
= card
->qdio
.out_qs
[__queue
];
2944 struct qeth_qdio_out_buffer
*buffer
;
2947 QETH_DBF_TEXT(trace
, 6, "qdouhdl");
2948 if (status
& QDIO_STATUS_LOOK_FOR_ERROR
) {
2949 if (status
& QDIO_STATUS_ACTIVATE_CHECK_CONDITION
){
2950 QETH_DBF_TEXT(trace
, 2, "achkcond");
2951 QETH_DBF_TEXT_(trace
, 2, "%s", CARD_BUS_ID(card
));
2952 QETH_DBF_TEXT_(trace
, 2, "%08x", status
);
2953 netif_stop_queue(card
->dev
);
2954 qeth_schedule_recovery(card
);
2958 if (card
->options
.performance_stats
) {
2959 card
->perf_stats
.outbound_handler_cnt
++;
2960 card
->perf_stats
.outbound_handler_start_time
=
2963 for(i
= first_element
; i
< (first_element
+ count
); ++i
){
2964 buffer
= &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
];
2965 /*we only handle the KICK_IT error by doing a recovery */
2966 if (qeth_handle_send_error(card
, buffer
,
2967 qdio_error
, siga_error
)
2968 == QETH_SEND_ERROR_KICK_IT
){
2969 netif_stop_queue(card
->dev
);
2970 qeth_schedule_recovery(card
);
2973 qeth_clear_output_buffer(queue
, buffer
);
2975 atomic_sub(count
, &queue
->used_buffers
);
2976 /* check if we need to do something on this outbound queue */
2977 if (card
->info
.type
!= QETH_CARD_TYPE_IQD
)
2978 qeth_check_outbound_queue(queue
);
2980 netif_wake_queue(queue
->card
->dev
);
2981 if (card
->options
.performance_stats
)
2982 card
->perf_stats
.outbound_handler_time
+= qeth_get_micros() -
2983 card
->perf_stats
.outbound_handler_start_time
;
2987 qeth_create_qib_param_field(struct qeth_card
*card
, char *param_field
)
2990 param_field
[0] = _ascebc
['P'];
2991 param_field
[1] = _ascebc
['C'];
2992 param_field
[2] = _ascebc
['I'];
2993 param_field
[3] = _ascebc
['T'];
2994 *((unsigned int *) (¶m_field
[4])) = QETH_PCI_THRESHOLD_A(card
);
2995 *((unsigned int *) (¶m_field
[8])) = QETH_PCI_THRESHOLD_B(card
);
2996 *((unsigned int *) (¶m_field
[12])) = QETH_PCI_TIMER_VALUE(card
);
3000 qeth_create_qib_param_field_blkt(struct qeth_card
*card
, char *param_field
)
3002 param_field
[16] = _ascebc
['B'];
3003 param_field
[17] = _ascebc
['L'];
3004 param_field
[18] = _ascebc
['K'];
3005 param_field
[19] = _ascebc
['T'];
3006 *((unsigned int *) (¶m_field
[20])) = card
->info
.blkt
.time_total
;
3007 *((unsigned int *) (¶m_field
[24])) = card
->info
.blkt
.inter_packet
;
3008 *((unsigned int *) (¶m_field
[28])) = card
->info
.blkt
.inter_packet_jumbo
;
3012 qeth_initialize_working_pool_list(struct qeth_card
*card
)
3014 struct qeth_buffer_pool_entry
*entry
;
3016 QETH_DBF_TEXT(trace
,5,"inwrklst");
3018 list_for_each_entry(entry
,
3019 &card
->qdio
.init_pool
.entry_list
, init_list
) {
3020 qeth_put_buffer_pool_entry(card
,entry
);
3025 qeth_clear_working_pool_list(struct qeth_card
*card
)
3027 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
3029 QETH_DBF_TEXT(trace
,5,"clwrklst");
3030 list_for_each_entry_safe(pool_entry
, tmp
,
3031 &card
->qdio
.in_buf_pool
.entry_list
, list
){
3032 list_del(&pool_entry
->list
);
3037 qeth_free_buffer_pool(struct qeth_card
*card
)
3039 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
3041 QETH_DBF_TEXT(trace
,5,"freepool");
3042 list_for_each_entry_safe(pool_entry
, tmp
,
3043 &card
->qdio
.init_pool
.entry_list
, init_list
){
3044 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
)
3045 free_page((unsigned long)pool_entry
->elements
[i
]);
3046 list_del(&pool_entry
->init_list
);
3052 qeth_alloc_buffer_pool(struct qeth_card
*card
)
3054 struct qeth_buffer_pool_entry
*pool_entry
;
3058 QETH_DBF_TEXT(trace
,5,"alocpool");
3059 for (i
= 0; i
< card
->qdio
.init_pool
.buf_count
; ++i
){
3060 pool_entry
= kmalloc(sizeof(*pool_entry
), GFP_KERNEL
);
3062 qeth_free_buffer_pool(card
);
3065 for(j
= 0; j
< QETH_MAX_BUFFER_ELEMENTS(card
); ++j
){
3066 ptr
= (void *) __get_free_page(GFP_KERNEL
|GFP_DMA
);
3069 free_page((unsigned long)
3070 pool_entry
->elements
[--j
]);
3072 qeth_free_buffer_pool(card
);
3075 pool_entry
->elements
[j
] = ptr
;
3077 list_add(&pool_entry
->init_list
,
3078 &card
->qdio
.init_pool
.entry_list
);
3084 qeth_realloc_buffer_pool(struct qeth_card
*card
, int bufcnt
)
3086 QETH_DBF_TEXT(trace
, 2, "realcbp");
3088 if ((card
->state
!= CARD_STATE_DOWN
) &&
3089 (card
->state
!= CARD_STATE_RECOVER
))
3092 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
3093 qeth_clear_working_pool_list(card
);
3094 qeth_free_buffer_pool(card
);
3095 card
->qdio
.in_buf_pool
.buf_count
= bufcnt
;
3096 card
->qdio
.init_pool
.buf_count
= bufcnt
;
3097 return qeth_alloc_buffer_pool(card
);
3101 qeth_alloc_qdio_buffers(struct qeth_card
*card
)
3105 QETH_DBF_TEXT(setup
, 2, "allcqdbf");
3107 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
,
3108 QETH_QDIO_ALLOCATED
) != QETH_QDIO_UNINITIALIZED
)
3111 card
->qdio
.in_q
= kmalloc(sizeof(struct qeth_qdio_q
),
3112 GFP_KERNEL
|GFP_DMA
);
3113 if (!card
->qdio
.in_q
)
3115 QETH_DBF_TEXT(setup
, 2, "inq");
3116 QETH_DBF_HEX(setup
, 2, &card
->qdio
.in_q
, sizeof(void *));
3117 memset(card
->qdio
.in_q
, 0, sizeof(struct qeth_qdio_q
));
3118 /* give inbound qeth_qdio_buffers their qdio_buffers */
3119 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
)
3120 card
->qdio
.in_q
->bufs
[i
].buffer
=
3121 &card
->qdio
.in_q
->qdio_bufs
[i
];
3122 /* inbound buffer pool */
3123 if (qeth_alloc_buffer_pool(card
))
3127 kmalloc(card
->qdio
.no_out_queues
*
3128 sizeof(struct qeth_qdio_out_q
*), GFP_KERNEL
);
3129 if (!card
->qdio
.out_qs
)
3131 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
3132 card
->qdio
.out_qs
[i
] = kmalloc(sizeof(struct qeth_qdio_out_q
),
3133 GFP_KERNEL
|GFP_DMA
);
3134 if (!card
->qdio
.out_qs
[i
])
3136 QETH_DBF_TEXT_(setup
, 2, "outq %i", i
);
3137 QETH_DBF_HEX(setup
, 2, &card
->qdio
.out_qs
[i
], sizeof(void *));
3138 memset(card
->qdio
.out_qs
[i
], 0, sizeof(struct qeth_qdio_out_q
));
3139 card
->qdio
.out_qs
[i
]->queue_no
= i
;
3140 /* give outbound qeth_qdio_buffers their qdio_buffers */
3141 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
){
3142 card
->qdio
.out_qs
[i
]->bufs
[j
].buffer
=
3143 &card
->qdio
.out_qs
[i
]->qdio_bufs
[j
];
3144 skb_queue_head_init(&card
->qdio
.out_qs
[i
]->bufs
[j
].
3147 &card
->qdio
.out_qs
[i
]->bufs
[j
].skb_list
.lock
,
3148 &qdio_out_skb_queue_key
);
3149 INIT_LIST_HEAD(&card
->qdio
.out_qs
[i
]->bufs
[j
].ctx_list
);
3156 kfree(card
->qdio
.out_qs
[--i
]);
3157 kfree(card
->qdio
.out_qs
);
3159 qeth_free_buffer_pool(card
);
3161 kfree(card
->qdio
.in_q
);
3163 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
3168 qeth_free_qdio_buffers(struct qeth_card
*card
)
3172 QETH_DBF_TEXT(trace
, 2, "freeqdbf");
3173 if (atomic_xchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
) ==
3174 QETH_QDIO_UNINITIALIZED
)
3176 kfree(card
->qdio
.in_q
);
3177 /* inbound buffer pool */
3178 qeth_free_buffer_pool(card
);
3179 /* free outbound qdio_qs */
3180 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
){
3181 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
)
3182 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
3183 &card
->qdio
.out_qs
[i
]->bufs
[j
]);
3184 kfree(card
->qdio
.out_qs
[i
]);
3186 kfree(card
->qdio
.out_qs
);
3190 qeth_clear_qdio_buffers(struct qeth_card
*card
)
3194 QETH_DBF_TEXT(trace
, 2, "clearqdbf");
3195 /* clear outbound buffers to free skbs */
3196 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
)
3197 if (card
->qdio
.out_qs
[i
]){
3198 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
)
3199 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
3200 &card
->qdio
.out_qs
[i
]->bufs
[j
]);
3205 qeth_init_qdio_info(struct qeth_card
*card
)
3207 QETH_DBF_TEXT(setup
, 4, "intqdinf");
3208 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
3210 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
3211 card
->qdio
.init_pool
.buf_count
= QETH_IN_BUF_COUNT_DEFAULT
;
3212 card
->qdio
.in_buf_pool
.buf_count
= card
->qdio
.init_pool
.buf_count
;
3213 INIT_LIST_HEAD(&card
->qdio
.in_buf_pool
.entry_list
);
3214 INIT_LIST_HEAD(&card
->qdio
.init_pool
.entry_list
);
3218 qeth_init_qdio_queues(struct qeth_card
*card
)
3223 QETH_DBF_TEXT(setup
, 2, "initqdqs");
3226 memset(card
->qdio
.in_q
->qdio_bufs
, 0,
3227 QDIO_MAX_BUFFERS_PER_Q
* sizeof(struct qdio_buffer
));
3228 qeth_initialize_working_pool_list(card
);
3229 /*give only as many buffers to hardware as we have buffer pool entries*/
3230 for (i
= 0; i
< card
->qdio
.in_buf_pool
.buf_count
- 1; ++i
)
3231 qeth_init_input_buffer(card
, &card
->qdio
.in_q
->bufs
[i
]);
3232 card
->qdio
.in_q
->next_buf_to_init
= card
->qdio
.in_buf_pool
.buf_count
- 1;
3233 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0, 0,
3234 card
->qdio
.in_buf_pool
.buf_count
- 1, NULL
);
3236 QETH_DBF_TEXT_(setup
, 2, "1err%d", rc
);
3239 rc
= qdio_synchronize(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0);
3241 QETH_DBF_TEXT_(setup
, 2, "2err%d", rc
);
3244 /* outbound queue */
3245 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
){
3246 memset(card
->qdio
.out_qs
[i
]->qdio_bufs
, 0,
3247 QDIO_MAX_BUFFERS_PER_Q
* sizeof(struct qdio_buffer
));
3248 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
){
3249 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
3250 &card
->qdio
.out_qs
[i
]->bufs
[j
]);
3252 card
->qdio
.out_qs
[i
]->card
= card
;
3253 card
->qdio
.out_qs
[i
]->next_buf_to_fill
= 0;
3254 card
->qdio
.out_qs
[i
]->do_pack
= 0;
3255 atomic_set(&card
->qdio
.out_qs
[i
]->used_buffers
,0);
3256 atomic_set(&card
->qdio
.out_qs
[i
]->set_pci_flags_count
, 0);
3257 atomic_set(&card
->qdio
.out_qs
[i
]->state
,
3258 QETH_OUT_Q_UNLOCKED
);
3264 qeth_qdio_establish(struct qeth_card
*card
)
3266 struct qdio_initialize init_data
;
3267 char *qib_param_field
;
3268 struct qdio_buffer
**in_sbal_ptrs
;
3269 struct qdio_buffer
**out_sbal_ptrs
;
3273 QETH_DBF_TEXT(setup
, 2, "qdioest");
3275 qib_param_field
= kzalloc(QDIO_MAX_BUFFERS_PER_Q
* sizeof(char),
3277 if (!qib_param_field
)
3280 qeth_create_qib_param_field(card
, qib_param_field
);
3281 qeth_create_qib_param_field_blkt(card
, qib_param_field
);
3283 in_sbal_ptrs
= kmalloc(QDIO_MAX_BUFFERS_PER_Q
* sizeof(void *),
3285 if (!in_sbal_ptrs
) {
3286 kfree(qib_param_field
);
3289 for(i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
)
3290 in_sbal_ptrs
[i
] = (struct qdio_buffer
*)
3291 virt_to_phys(card
->qdio
.in_q
->bufs
[i
].buffer
);
3294 kmalloc(card
->qdio
.no_out_queues
* QDIO_MAX_BUFFERS_PER_Q
*
3295 sizeof(void *), GFP_KERNEL
);
3296 if (!out_sbal_ptrs
) {
3297 kfree(in_sbal_ptrs
);
3298 kfree(qib_param_field
);
3301 for(i
= 0, k
= 0; i
< card
->qdio
.no_out_queues
; ++i
)
3302 for(j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
, ++k
){
3303 out_sbal_ptrs
[k
] = (struct qdio_buffer
*)
3304 virt_to_phys(card
->qdio
.out_qs
[i
]->
3308 memset(&init_data
, 0, sizeof(struct qdio_initialize
));
3309 init_data
.cdev
= CARD_DDEV(card
);
3310 init_data
.q_format
= qeth_get_qdio_q_format(card
);
3311 init_data
.qib_param_field_format
= 0;
3312 init_data
.qib_param_field
= qib_param_field
;
3313 init_data
.min_input_threshold
= QETH_MIN_INPUT_THRESHOLD
;
3314 init_data
.max_input_threshold
= QETH_MAX_INPUT_THRESHOLD
;
3315 init_data
.min_output_threshold
= QETH_MIN_OUTPUT_THRESHOLD
;
3316 init_data
.max_output_threshold
= QETH_MAX_OUTPUT_THRESHOLD
;
3317 init_data
.no_input_qs
= 1;
3318 init_data
.no_output_qs
= card
->qdio
.no_out_queues
;
3319 init_data
.input_handler
= (qdio_handler_t
*)
3320 qeth_qdio_input_handler
;
3321 init_data
.output_handler
= (qdio_handler_t
*)
3322 qeth_qdio_output_handler
;
3323 init_data
.int_parm
= (unsigned long) card
;
3324 init_data
.flags
= QDIO_INBOUND_0COPY_SBALS
|
3325 QDIO_OUTBOUND_0COPY_SBALS
|
3326 QDIO_USE_OUTBOUND_PCIS
;
3327 init_data
.input_sbal_addr_array
= (void **) in_sbal_ptrs
;
3328 init_data
.output_sbal_addr_array
= (void **) out_sbal_ptrs
;
3330 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
,
3331 QETH_QDIO_ESTABLISHED
) == QETH_QDIO_ALLOCATED
)
3332 if ((rc
= qdio_initialize(&init_data
)))
3333 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
3335 kfree(out_sbal_ptrs
);
3336 kfree(in_sbal_ptrs
);
3337 kfree(qib_param_field
);
3342 qeth_qdio_activate(struct qeth_card
*card
)
3344 QETH_DBF_TEXT(setup
,3,"qdioact");
3345 return qdio_activate(CARD_DDEV(card
), 0);
3349 qeth_clear_channel(struct qeth_channel
*channel
)
3351 unsigned long flags
;
3352 struct qeth_card
*card
;
3355 QETH_DBF_TEXT(trace
,3,"clearch");
3356 card
= CARD_FROM_CDEV(channel
->ccwdev
);
3357 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
3358 rc
= ccw_device_clear(channel
->ccwdev
, QETH_CLEAR_CHANNEL_PARM
);
3359 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
3363 rc
= wait_event_interruptible_timeout(card
->wait_q
,
3364 channel
->state
==CH_STATE_STOPPED
, QETH_TIMEOUT
);
3365 if (rc
== -ERESTARTSYS
)
3367 if (channel
->state
!= CH_STATE_STOPPED
)
3369 channel
->state
= CH_STATE_DOWN
;
3374 qeth_halt_channel(struct qeth_channel
*channel
)
3376 unsigned long flags
;
3377 struct qeth_card
*card
;
3380 QETH_DBF_TEXT(trace
,3,"haltch");
3381 card
= CARD_FROM_CDEV(channel
->ccwdev
);
3382 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
3383 rc
= ccw_device_halt(channel
->ccwdev
, QETH_HALT_CHANNEL_PARM
);
3384 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
3388 rc
= wait_event_interruptible_timeout(card
->wait_q
,
3389 channel
->state
==CH_STATE_HALTED
, QETH_TIMEOUT
);
3390 if (rc
== -ERESTARTSYS
)
3392 if (channel
->state
!= CH_STATE_HALTED
)
3398 qeth_halt_channels(struct qeth_card
*card
)
3400 int rc1
= 0, rc2
=0, rc3
= 0;
3402 QETH_DBF_TEXT(trace
,3,"haltchs");
3403 rc1
= qeth_halt_channel(&card
->read
);
3404 rc2
= qeth_halt_channel(&card
->write
);
3405 rc3
= qeth_halt_channel(&card
->data
);
3413 qeth_clear_channels(struct qeth_card
*card
)
3415 int rc1
= 0, rc2
=0, rc3
= 0;
3417 QETH_DBF_TEXT(trace
,3,"clearchs");
3418 rc1
= qeth_clear_channel(&card
->read
);
3419 rc2
= qeth_clear_channel(&card
->write
);
3420 rc3
= qeth_clear_channel(&card
->data
);
3429 qeth_clear_halt_card(struct qeth_card
*card
, int halt
)
3433 QETH_DBF_TEXT(trace
,3,"clhacrd");
3434 QETH_DBF_HEX(trace
, 3, &card
, sizeof(void *));
3437 rc
= qeth_halt_channels(card
);
3440 return qeth_clear_channels(card
);
3444 qeth_qdio_clear_card(struct qeth_card
*card
, int use_halt
)
3448 QETH_DBF_TEXT(trace
,3,"qdioclr");
3449 switch (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ESTABLISHED
,
3450 QETH_QDIO_CLEANING
)) {
3451 case QETH_QDIO_ESTABLISHED
:
3452 if ((rc
= qdio_cleanup(CARD_DDEV(card
),
3453 (card
->info
.type
== QETH_CARD_TYPE_IQD
) ?
3454 QDIO_FLAG_CLEANUP_USING_HALT
:
3455 QDIO_FLAG_CLEANUP_USING_CLEAR
)))
3456 QETH_DBF_TEXT_(trace
, 3, "1err%d", rc
);
3457 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
3459 case QETH_QDIO_CLEANING
:
3464 if ((rc
= qeth_clear_halt_card(card
, use_halt
)))
3465 QETH_DBF_TEXT_(trace
, 3, "2err%d", rc
);
3466 card
->state
= CARD_STATE_DOWN
;
3471 qeth_dm_act(struct qeth_card
*card
)
3474 struct qeth_cmd_buffer
*iob
;
3476 QETH_DBF_TEXT(setup
,2,"dmact");
3478 iob
= qeth_wait_for_buffer(&card
->write
);
3479 memcpy(iob
->data
, DM_ACT
, DM_ACT_SIZE
);
3481 memcpy(QETH_DM_ACT_DEST_ADDR(iob
->data
),
3482 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
3483 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob
->data
),
3484 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
3485 rc
= qeth_send_control_data(card
, DM_ACT_SIZE
, iob
, NULL
, NULL
);
3490 qeth_mpc_initialize(struct qeth_card
*card
)
3494 QETH_DBF_TEXT(setup
,2,"mpcinit");
3496 if ((rc
= qeth_issue_next_read(card
))){
3497 QETH_DBF_TEXT_(setup
, 2, "1err%d", rc
);
3500 if ((rc
= qeth_cm_enable(card
))){
3501 QETH_DBF_TEXT_(setup
, 2, "2err%d", rc
);
3504 if ((rc
= qeth_cm_setup(card
))){
3505 QETH_DBF_TEXT_(setup
, 2, "3err%d", rc
);
3508 if ((rc
= qeth_ulp_enable(card
))){
3509 QETH_DBF_TEXT_(setup
, 2, "4err%d", rc
);
3512 if ((rc
= qeth_ulp_setup(card
))){
3513 QETH_DBF_TEXT_(setup
, 2, "5err%d", rc
);
3516 if ((rc
= qeth_alloc_qdio_buffers(card
))){
3517 QETH_DBF_TEXT_(setup
, 2, "5err%d", rc
);
3520 if ((rc
= qeth_qdio_establish(card
))){
3521 QETH_DBF_TEXT_(setup
, 2, "6err%d", rc
);
3522 qeth_free_qdio_buffers(card
);
3525 if ((rc
= qeth_qdio_activate(card
))){
3526 QETH_DBF_TEXT_(setup
, 2, "7err%d", rc
);
3529 if ((rc
= qeth_dm_act(card
))){
3530 QETH_DBF_TEXT_(setup
, 2, "8err%d", rc
);
3536 qeth_qdio_clear_card(card
, card
->info
.type
!=QETH_CARD_TYPE_IQD
);
3540 static struct net_device
*
3541 qeth_get_netdevice(enum qeth_card_types type
, enum qeth_link_types linktype
)
3543 struct net_device
*dev
= NULL
;
3546 case QETH_CARD_TYPE_OSAE
:
3548 case QETH_LINK_TYPE_LANE_TR
:
3549 case QETH_LINK_TYPE_HSTR
:
3551 dev
= alloc_trdev(0);
3552 #endif /* CONFIG_TR */
3555 dev
= alloc_etherdev(0);
3558 case QETH_CARD_TYPE_IQD
:
3559 dev
= alloc_netdev(0, "hsi%d", ether_setup
);
3561 case QETH_CARD_TYPE_OSN
:
3562 dev
= alloc_netdev(0, "osn%d", ether_setup
);
3565 dev
= alloc_etherdev(0);
3570 /*hard_header fake function; used in case fake_ll is set */
3572 qeth_fake_header(struct sk_buff
*skb
, struct net_device
*dev
,
3573 unsigned short type
, void *daddr
, void *saddr
,
3576 if(dev
->type
== ARPHRD_IEEE802_TR
){
3577 struct trh_hdr
*hdr
;
3578 hdr
= (struct trh_hdr
*)skb_push(skb
, QETH_FAKE_LL_LEN_TR
);
3579 memcpy(hdr
->saddr
, dev
->dev_addr
, TR_ALEN
);
3580 memcpy(hdr
->daddr
, "FAKELL", TR_ALEN
);
3581 return QETH_FAKE_LL_LEN_TR
;
3585 hdr
= (struct ethhdr
*)skb_push(skb
, QETH_FAKE_LL_LEN_ETH
);
3586 memcpy(hdr
->h_source
, dev
->dev_addr
, ETH_ALEN
);
3587 memcpy(hdr
->h_dest
, "FAKELL", ETH_ALEN
);
3588 if (type
!= ETH_P_802_3
)
3589 hdr
->h_proto
= htons(type
);
3591 hdr
->h_proto
= htons(len
);
3592 return QETH_FAKE_LL_LEN_ETH
;
3598 qeth_send_packet(struct qeth_card
*, struct sk_buff
*);
3601 qeth_hard_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
3604 struct qeth_card
*card
;
3606 QETH_DBF_TEXT(trace
, 6, "hrdstxmi");
3607 card
= (struct qeth_card
*)dev
->priv
;
3609 card
->stats
.tx_dropped
++;
3610 card
->stats
.tx_errors
++;
3611 /* return OK; otherwise ksoftirqd goes to 100% */
3612 return NETDEV_TX_OK
;
3614 if ((card
->state
!= CARD_STATE_UP
) || !card
->lan_online
) {
3615 card
->stats
.tx_dropped
++;
3616 card
->stats
.tx_errors
++;
3617 card
->stats
.tx_carrier_errors
++;
3618 dev_kfree_skb_any(skb
);
3619 /* return OK; otherwise ksoftirqd goes to 100% */
3620 return NETDEV_TX_OK
;
3622 if (card
->options
.performance_stats
) {
3623 card
->perf_stats
.outbound_cnt
++;
3624 card
->perf_stats
.outbound_start_time
= qeth_get_micros();
3626 netif_stop_queue(dev
);
3627 if ((rc
= qeth_send_packet(card
, skb
))) {
3629 return NETDEV_TX_BUSY
;
3631 card
->stats
.tx_errors
++;
3632 card
->stats
.tx_dropped
++;
3633 dev_kfree_skb_any(skb
);
3634 /*set to OK; otherwise ksoftirqd goes to 100% */
3638 netif_wake_queue(dev
);
3639 if (card
->options
.performance_stats
)
3640 card
->perf_stats
.outbound_time
+= qeth_get_micros() -
3641 card
->perf_stats
.outbound_start_time
;
3646 qeth_verify_vlan_dev(struct net_device
*dev
, struct qeth_card
*card
)
3649 #ifdef CONFIG_QETH_VLAN
3650 struct vlan_group
*vg
;
3653 if (!(vg
= card
->vlangrp
))
3656 for (i
= 0; i
< VLAN_GROUP_ARRAY_LEN
; i
++){
3657 if (vlan_group_get_device(vg
, i
) == dev
){
3658 rc
= QETH_VLAN_CARD
;
3662 if (rc
&& !(VLAN_DEV_INFO(dev
)->real_dev
->priv
== (void *)card
))
3670 qeth_verify_dev(struct net_device
*dev
)
3672 struct qeth_card
*card
;
3673 unsigned long flags
;
3676 read_lock_irqsave(&qeth_card_list
.rwlock
, flags
);
3677 list_for_each_entry(card
, &qeth_card_list
.list
, list
){
3678 if (card
->dev
== dev
){
3679 rc
= QETH_REAL_CARD
;
3682 rc
= qeth_verify_vlan_dev(dev
, card
);
3686 read_unlock_irqrestore(&qeth_card_list
.rwlock
, flags
);
3691 static struct qeth_card
*
3692 qeth_get_card_from_dev(struct net_device
*dev
)
3694 struct qeth_card
*card
= NULL
;
3697 rc
= qeth_verify_dev(dev
);
3698 if (rc
== QETH_REAL_CARD
)
3699 card
= (struct qeth_card
*)dev
->priv
;
3700 else if (rc
== QETH_VLAN_CARD
)
3701 card
= (struct qeth_card
*)
3702 VLAN_DEV_INFO(dev
)->real_dev
->priv
;
3704 QETH_DBF_TEXT_(trace
, 4, "%d", rc
);
3709 qeth_tx_timeout(struct net_device
*dev
)
3711 struct qeth_card
*card
;
3713 card
= (struct qeth_card
*) dev
->priv
;
3714 card
->stats
.tx_errors
++;
3715 qeth_schedule_recovery(card
);
3719 qeth_open(struct net_device
*dev
)
3721 struct qeth_card
*card
;
3723 QETH_DBF_TEXT(trace
, 4, "qethopen");
3725 card
= (struct qeth_card
*) dev
->priv
;
3727 if (card
->state
!= CARD_STATE_SOFTSETUP
)
3730 if ( (card
->info
.type
!= QETH_CARD_TYPE_OSN
) &&
3731 (card
->options
.layer2
) &&
3732 (!(card
->info
.mac_bits
& QETH_LAYER2_MAC_REGISTERED
))) {
3733 QETH_DBF_TEXT(trace
,4,"nomacadr");
3736 card
->data
.state
= CH_STATE_UP
;
3737 card
->state
= CARD_STATE_UP
;
3738 card
->dev
->flags
|= IFF_UP
;
3739 netif_start_queue(dev
);
3741 if (!card
->lan_online
&& netif_carrier_ok(dev
))
3742 netif_carrier_off(dev
);
3747 qeth_stop(struct net_device
*dev
)
3749 struct qeth_card
*card
;
3751 QETH_DBF_TEXT(trace
, 4, "qethstop");
3753 card
= (struct qeth_card
*) dev
->priv
;
3755 netif_tx_disable(dev
);
3756 card
->dev
->flags
&= ~IFF_UP
;
3757 if (card
->state
== CARD_STATE_UP
)
3758 card
->state
= CARD_STATE_SOFTSETUP
;
3763 qeth_get_cast_type(struct qeth_card
*card
, struct sk_buff
*skb
)
3765 int cast_type
= RTN_UNSPEC
;
3767 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
3770 if (skb
->dst
&& skb
->dst
->neighbour
){
3771 cast_type
= skb
->dst
->neighbour
->type
;
3772 if ((cast_type
== RTN_BROADCAST
) ||
3773 (cast_type
== RTN_MULTICAST
) ||
3774 (cast_type
== RTN_ANYCAST
))
3779 /* try something else */
3780 if (skb
->protocol
== ETH_P_IPV6
)
3781 return (skb_network_header(skb
)[24] == 0xff) ?
3783 else if (skb
->protocol
== ETH_P_IP
)
3784 return ((skb_network_header(skb
)[16] & 0xf0) == 0xe0) ?
3787 if (!memcmp(skb
->data
, skb
->dev
->broadcast
, 6))
3788 return RTN_BROADCAST
;
3792 hdr_mac
= *((u16
*)skb
->data
);
3794 switch (card
->info
.link_type
) {
3795 case QETH_LINK_TYPE_HSTR
:
3796 case QETH_LINK_TYPE_LANE_TR
:
3797 if ((hdr_mac
== QETH_TR_MAC_NC
) ||
3798 (hdr_mac
== QETH_TR_MAC_C
))
3799 return RTN_MULTICAST
;
3801 /* eth or so multicast? */
3803 if ((hdr_mac
== QETH_ETH_MAC_V4
) ||
3804 (hdr_mac
== QETH_ETH_MAC_V6
))
3805 return RTN_MULTICAST
;
3812 qeth_get_priority_queue(struct qeth_card
*card
, struct sk_buff
*skb
,
3813 int ipv
, int cast_type
)
3815 if (!ipv
&& (card
->info
.type
== QETH_CARD_TYPE_OSAE
))
3816 return card
->qdio
.default_out_queue
;
3817 switch (card
->qdio
.no_out_queues
) {
3819 if (cast_type
&& card
->info
.is_multicast_different
)
3820 return card
->info
.is_multicast_different
&
3821 (card
->qdio
.no_out_queues
- 1);
3822 if (card
->qdio
.do_prio_queueing
&& (ipv
== 4)) {
3823 const u8 tos
= ip_hdr(skb
)->tos
;
3825 if (card
->qdio
.do_prio_queueing
==QETH_PRIO_Q_ING_TOS
){
3826 if (tos
& IP_TOS_NOTIMPORTANT
)
3828 if (tos
& IP_TOS_HIGHRELIABILITY
)
3830 if (tos
& IP_TOS_HIGHTHROUGHPUT
)
3832 if (tos
& IP_TOS_LOWDELAY
)
3835 if (card
->qdio
.do_prio_queueing
==QETH_PRIO_Q_ING_PREC
)
3836 return 3 - (tos
>> 6);
3837 } else if (card
->qdio
.do_prio_queueing
&& (ipv
== 6)) {
3840 return card
->qdio
.default_out_queue
;
3841 case 1: /* fallthrough for single-out-queue 1920-device */
3843 return card
->qdio
.default_out_queue
;
3848 qeth_get_ip_version(struct sk_buff
*skb
)
3850 switch (skb
->protocol
) {
3860 static struct qeth_hdr
*
3861 __qeth_prepare_skb(struct qeth_card
*card
, struct sk_buff
*skb
, int ipv
)
3863 #ifdef CONFIG_QETH_VLAN
3865 if (card
->vlangrp
&& vlan_tx_tag_present(skb
) &&
3866 ((ipv
== 6) || card
->options
.layer2
) ) {
3868 * Move the mac addresses (6 bytes src, 6 bytes dest)
3869 * to the beginning of the new header. We are using three
3870 * memcpys instead of one memmove to save cycles.
3872 skb_push(skb
, VLAN_HLEN
);
3873 memcpy(skb
->data
, skb
->data
+ 4, 4);
3874 memcpy(skb
->data
+ 4, skb
->data
+ 8, 4);
3875 memcpy(skb
->data
+ 8, skb
->data
+ 12, 4);
3876 tag
= (u16
*)(skb
->data
+ 12);
3878 * first two bytes = ETH_P_8021Q (0x8100)
3879 * second two bytes = VLANID
3881 *tag
= __constant_htons(ETH_P_8021Q
);
3882 *(tag
+ 1) = htons(vlan_tx_tag_get(skb
));
3885 return ((struct qeth_hdr
*)
3886 qeth_push_skb(card
, skb
, sizeof(struct qeth_hdr
)));
3890 __qeth_free_new_skb(struct sk_buff
*orig_skb
, struct sk_buff
*new_skb
)
3892 if (orig_skb
!= new_skb
)
3893 dev_kfree_skb_any(new_skb
);
3896 static struct sk_buff
*
3897 qeth_prepare_skb(struct qeth_card
*card
, struct sk_buff
*skb
,
3898 struct qeth_hdr
**hdr
, int ipv
)
3900 struct sk_buff
*new_skb
, *new_skb2
;
3902 QETH_DBF_TEXT(trace
, 6, "prepskb");
3904 new_skb
= qeth_pskb_unshare(skb
, GFP_ATOMIC
);
3907 new_skb2
= qeth_realloc_headroom(card
, new_skb
,
3908 sizeof(struct qeth_hdr
));
3910 __qeth_free_new_skb(skb
, new_skb
);
3914 __qeth_free_new_skb(new_skb2
, new_skb
);
3916 *hdr
= __qeth_prepare_skb(card
, new_skb
, ipv
);
3918 __qeth_free_new_skb(skb
, new_skb
);
3925 qeth_get_qeth_hdr_flags4(int cast_type
)
3927 if (cast_type
== RTN_MULTICAST
)
3928 return QETH_CAST_MULTICAST
;
3929 if (cast_type
== RTN_BROADCAST
)
3930 return QETH_CAST_BROADCAST
;
3931 return QETH_CAST_UNICAST
;
3935 qeth_get_qeth_hdr_flags6(int cast_type
)
3937 u8 ct
= QETH_HDR_PASSTHRU
| QETH_HDR_IPV6
;
3938 if (cast_type
== RTN_MULTICAST
)
3939 return ct
| QETH_CAST_MULTICAST
;
3940 if (cast_type
== RTN_ANYCAST
)
3941 return ct
| QETH_CAST_ANYCAST
;
3942 if (cast_type
== RTN_BROADCAST
)
3943 return ct
| QETH_CAST_BROADCAST
;
3944 return ct
| QETH_CAST_UNICAST
;
3948 qeth_layer2_get_packet_type(struct qeth_card
*card
, struct qeth_hdr
*hdr
,
3949 struct sk_buff
*skb
)
3953 if (!memcmp(skb
->data
+QETH_HEADER_SIZE
,
3954 skb
->dev
->broadcast
,6)) { /* broadcast? */
3955 *(__u32
*)hdr
->hdr
.l2
.flags
|=
3956 QETH_LAYER2_FLAG_BROADCAST
<< 8;
3959 hdr_mac
=*((__u16
*)skb
->data
);
3961 switch (card
->info
.link_type
) {
3962 case QETH_LINK_TYPE_HSTR
:
3963 case QETH_LINK_TYPE_LANE_TR
:
3964 if ((hdr_mac
== QETH_TR_MAC_NC
) ||
3965 (hdr_mac
== QETH_TR_MAC_C
) )
3966 *(__u32
*)hdr
->hdr
.l2
.flags
|=
3967 QETH_LAYER2_FLAG_MULTICAST
<< 8;
3969 *(__u32
*)hdr
->hdr
.l2
.flags
|=
3970 QETH_LAYER2_FLAG_UNICAST
<< 8;
3972 /* eth or so multicast? */
3974 if ( (hdr_mac
==QETH_ETH_MAC_V4
) ||
3975 (hdr_mac
==QETH_ETH_MAC_V6
) )
3976 *(__u32
*)hdr
->hdr
.l2
.flags
|=
3977 QETH_LAYER2_FLAG_MULTICAST
<< 8;
3979 *(__u32
*)hdr
->hdr
.l2
.flags
|=
3980 QETH_LAYER2_FLAG_UNICAST
<< 8;
3985 qeth_layer2_fill_header(struct qeth_card
*card
, struct qeth_hdr
*hdr
,
3986 struct sk_buff
*skb
, int cast_type
)
3988 memset(hdr
, 0, sizeof(struct qeth_hdr
));
3989 hdr
->hdr
.l2
.id
= QETH_HEADER_TYPE_LAYER2
;
3991 /* set byte 0 to "0x02" and byte 3 to casting flags */
3992 if (cast_type
==RTN_MULTICAST
)
3993 *(__u32
*)hdr
->hdr
.l2
.flags
|= QETH_LAYER2_FLAG_MULTICAST
<< 8;
3994 else if (cast_type
==RTN_BROADCAST
)
3995 *(__u32
*)hdr
->hdr
.l2
.flags
|= QETH_LAYER2_FLAG_BROADCAST
<< 8;
3997 qeth_layer2_get_packet_type(card
, hdr
, skb
);
3999 hdr
->hdr
.l2
.pkt_length
= skb
->len
-QETH_HEADER_SIZE
;
4000 #ifdef CONFIG_QETH_VLAN
4001 /* VSWITCH relies on the VLAN
4002 * information to be present in
4003 * the QDIO header */
4004 if ((card
->vlangrp
!= NULL
) &&
4005 vlan_tx_tag_present(skb
)) {
4006 *(__u32
*)hdr
->hdr
.l2
.flags
|= QETH_LAYER2_FLAG_VLAN
<< 8;
4007 hdr
->hdr
.l2
.vlan_id
= vlan_tx_tag_get(skb
);
4013 qeth_fill_header(struct qeth_card
*card
, struct qeth_hdr
*hdr
,
4014 struct sk_buff
*skb
, int ipv
, int cast_type
)
4016 QETH_DBF_TEXT(trace
, 6, "fillhdr");
4018 memset(hdr
, 0, sizeof(struct qeth_hdr
));
4019 if (card
->options
.layer2
) {
4020 qeth_layer2_fill_header(card
, hdr
, skb
, cast_type
);
4023 hdr
->hdr
.l3
.id
= QETH_HEADER_TYPE_LAYER3
;
4024 hdr
->hdr
.l3
.ext_flags
= 0;
4025 #ifdef CONFIG_QETH_VLAN
4027 * before we're going to overwrite this location with next hop ip.
4028 * v6 uses passthrough, v4 sets the tag in the QDIO header.
4030 if (card
->vlangrp
&& vlan_tx_tag_present(skb
)) {
4031 hdr
->hdr
.l3
.ext_flags
= (ipv
== 4) ?
4032 QETH_HDR_EXT_VLAN_FRAME
:
4033 QETH_HDR_EXT_INCLUDE_VLAN_TAG
;
4034 hdr
->hdr
.l3
.vlan_id
= vlan_tx_tag_get(skb
);
4036 #endif /* CONFIG_QETH_VLAN */
4037 hdr
->hdr
.l3
.length
= skb
->len
- sizeof(struct qeth_hdr
);
4038 if (ipv
== 4) { /* IPv4 */
4039 hdr
->hdr
.l3
.flags
= qeth_get_qeth_hdr_flags4(cast_type
);
4040 memset(hdr
->hdr
.l3
.dest_addr
, 0, 12);
4041 if ((skb
->dst
) && (skb
->dst
->neighbour
)) {
4042 *((u32
*) (&hdr
->hdr
.l3
.dest_addr
[12])) =
4043 *((u32
*) skb
->dst
->neighbour
->primary_key
);
4045 /* fill in destination address used in ip header */
4046 *((u32
*)(&hdr
->hdr
.l3
.dest_addr
[12])) =
4049 } else if (ipv
== 6) { /* IPv6 or passthru */
4050 hdr
->hdr
.l3
.flags
= qeth_get_qeth_hdr_flags6(cast_type
);
4051 if ((skb
->dst
) && (skb
->dst
->neighbour
)) {
4052 memcpy(hdr
->hdr
.l3
.dest_addr
,
4053 skb
->dst
->neighbour
->primary_key
, 16);
4055 /* fill in destination address used in ip header */
4056 memcpy(hdr
->hdr
.l3
.dest_addr
, &skb
->nh
.ipv6h
->daddr
, 16);
4058 } else { /* passthrough */
4059 if((skb
->dev
->type
== ARPHRD_IEEE802_TR
) &&
4060 !memcmp(skb
->data
+ sizeof(struct qeth_hdr
) +
4061 sizeof(__u16
), skb
->dev
->broadcast
, 6)) {
4062 hdr
->hdr
.l3
.flags
= QETH_CAST_BROADCAST
|
4064 } else if (!memcmp(skb
->data
+ sizeof(struct qeth_hdr
),
4065 skb
->dev
->broadcast
, 6)) { /* broadcast? */
4066 hdr
->hdr
.l3
.flags
= QETH_CAST_BROADCAST
|
4069 hdr
->hdr
.l3
.flags
= (cast_type
== RTN_MULTICAST
) ?
4070 QETH_CAST_MULTICAST
| QETH_HDR_PASSTHRU
:
4071 QETH_CAST_UNICAST
| QETH_HDR_PASSTHRU
;
4077 __qeth_fill_buffer(struct sk_buff
*skb
, struct qdio_buffer
*buffer
,
4078 int is_tso
, int *next_element_to_fill
)
4080 int length
= skb
->len
;
4086 element
= *next_element_to_fill
;
4088 first_lap
= (is_tso
== 0 ? 1 : 0);
4090 while (length
> 0) {
4091 /* length_here is the remaining amount of data in this page */
4092 length_here
= PAGE_SIZE
- ((unsigned long) data
% PAGE_SIZE
);
4093 if (length
< length_here
)
4094 length_here
= length
;
4096 buffer
->element
[element
].addr
= data
;
4097 buffer
->element
[element
].length
= length_here
;
4098 length
-= length_here
;
4101 buffer
->element
[element
].flags
= 0;
4103 buffer
->element
[element
].flags
=
4104 SBAL_FLAGS_LAST_FRAG
;
4107 buffer
->element
[element
].flags
=
4108 SBAL_FLAGS_FIRST_FRAG
;
4110 buffer
->element
[element
].flags
=
4111 SBAL_FLAGS_MIDDLE_FRAG
;
4113 data
+= length_here
;
4117 *next_element_to_fill
= element
;
4121 qeth_fill_buffer(struct qeth_qdio_out_q
*queue
,
4122 struct qeth_qdio_out_buffer
*buf
,
4123 struct sk_buff
*skb
)
4125 struct qdio_buffer
*buffer
;
4126 struct qeth_hdr_tso
*hdr
;
4127 int flush_cnt
= 0, hdr_len
, large_send
= 0;
4129 QETH_DBF_TEXT(trace
, 6, "qdfillbf");
4131 buffer
= buf
->buffer
;
4132 atomic_inc(&skb
->users
);
4133 skb_queue_tail(&buf
->skb_list
, skb
);
4135 hdr
= (struct qeth_hdr_tso
*) skb
->data
;
4136 /*check first on TSO ....*/
4137 if (hdr
->hdr
.hdr
.l3
.id
== QETH_HEADER_TYPE_TSO
) {
4138 int element
= buf
->next_element_to_fill
;
4140 hdr_len
= sizeof(struct qeth_hdr_tso
) + hdr
->ext
.dg_hdr_len
;
4141 /*fill first buffer entry only with header information */
4142 buffer
->element
[element
].addr
= skb
->data
;
4143 buffer
->element
[element
].length
= hdr_len
;
4144 buffer
->element
[element
].flags
= SBAL_FLAGS_FIRST_FRAG
;
4145 buf
->next_element_to_fill
++;
4146 skb
->data
+= hdr_len
;
4147 skb
->len
-= hdr_len
;
4150 if (skb_shinfo(skb
)->nr_frags
== 0)
4151 __qeth_fill_buffer(skb
, buffer
, large_send
,
4152 (int *)&buf
->next_element_to_fill
);
4154 __qeth_fill_buffer_frag(skb
, buffer
, large_send
,
4155 (int *)&buf
->next_element_to_fill
);
4157 if (!queue
->do_pack
) {
4158 QETH_DBF_TEXT(trace
, 6, "fillbfnp");
4159 /* set state to PRIMED -> will be flushed */
4160 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
4163 QETH_DBF_TEXT(trace
, 6, "fillbfpa");
4164 if (queue
->card
->options
.performance_stats
)
4165 queue
->card
->perf_stats
.skbs_sent_pack
++;
4166 if (buf
->next_element_to_fill
>=
4167 QETH_MAX_BUFFER_ELEMENTS(queue
->card
)) {
4169 * packed buffer if full -> set state PRIMED
4170 * -> will be flushed
4172 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
4180 qeth_do_send_packet_fast(struct qeth_card
*card
, struct qeth_qdio_out_q
*queue
,
4181 struct sk_buff
*skb
, struct qeth_hdr
*hdr
,
4182 int elements_needed
,
4183 struct qeth_eddp_context
*ctx
)
4185 struct qeth_qdio_out_buffer
*buffer
;
4186 int buffers_needed
= 0;
4190 QETH_DBF_TEXT(trace
, 6, "dosndpfa");
4192 /* spin until we get the queue ... */
4193 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
4194 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
4195 /* ... now we've got the queue */
4196 index
= queue
->next_buf_to_fill
;
4197 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
4199 * check if buffer is empty to make sure that we do not 'overtake'
4200 * ourselves and try to fill a buffer that is already primed
4202 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
)
4205 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ 1) %
4206 QDIO_MAX_BUFFERS_PER_Q
;
4208 buffers_needed
= qeth_eddp_check_buffers_for_context(queue
,ctx
);
4209 if (buffers_needed
< 0)
4211 queue
->next_buf_to_fill
=
4212 (queue
->next_buf_to_fill
+ buffers_needed
) %
4213 QDIO_MAX_BUFFERS_PER_Q
;
4215 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
4217 qeth_fill_buffer(queue
, buffer
, skb
);
4218 qeth_flush_buffers(queue
, 0, index
, 1);
4220 flush_cnt
= qeth_eddp_fill_buffer(queue
, ctx
, index
);
4221 WARN_ON(buffers_needed
!= flush_cnt
);
4222 qeth_flush_buffers(queue
, 0, index
, flush_cnt
);
4226 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
4231 qeth_do_send_packet(struct qeth_card
*card
, struct qeth_qdio_out_q
*queue
,
4232 struct sk_buff
*skb
, struct qeth_hdr
*hdr
,
4233 int elements_needed
, struct qeth_eddp_context
*ctx
)
4235 struct qeth_qdio_out_buffer
*buffer
;
4237 int flush_count
= 0;
4242 QETH_DBF_TEXT(trace
, 6, "dosndpkt");
4244 /* spin until we get the queue ... */
4245 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
4246 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
4247 start_index
= queue
->next_buf_to_fill
;
4248 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
4250 * check if buffer is empty to make sure that we do not 'overtake'
4251 * ourselves and try to fill a buffer that is already primed
4253 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
) {
4254 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
4257 /* check if we need to switch packing state of this queue */
4258 qeth_switch_to_packing_if_needed(queue
);
4259 if (queue
->do_pack
){
4262 /* does packet fit in current buffer? */
4263 if((QETH_MAX_BUFFER_ELEMENTS(card
) -
4264 buffer
->next_element_to_fill
) < elements_needed
){
4265 /* ... no -> set state PRIMED */
4266 atomic_set(&buffer
->state
,QETH_QDIO_BUF_PRIMED
);
4268 queue
->next_buf_to_fill
=
4269 (queue
->next_buf_to_fill
+ 1) %
4270 QDIO_MAX_BUFFERS_PER_Q
;
4271 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
4272 /* we did a step forward, so check buffer state
4274 if (atomic_read(&buffer
->state
) !=
4275 QETH_QDIO_BUF_EMPTY
){
4276 qeth_flush_buffers(queue
, 0, start_index
, flush_count
);
4277 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
4282 /* check if we have enough elements (including following
4283 * free buffers) to handle eddp context */
4284 if (qeth_eddp_check_buffers_for_context(queue
,ctx
) < 0){
4285 printk("eddp tx_dropped 1\n");
4292 tmp
= qeth_fill_buffer(queue
, buffer
, skb
);
4294 tmp
= qeth_eddp_fill_buffer(queue
,ctx
,queue
->next_buf_to_fill
);
4296 printk("eddp tx_dropped 2\n");
4301 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ tmp
) %
4302 QDIO_MAX_BUFFERS_PER_Q
;
4306 qeth_flush_buffers(queue
, 0, start_index
, flush_count
);
4307 else if (!atomic_read(&queue
->set_pci_flags_count
))
4308 atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
);
4310 * queue->state will go from LOCKED -> UNLOCKED or from
4311 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4312 * (switch packing state or flush buffer to get another pci flag out).
4313 * In that case we will enter this loop
4315 while (atomic_dec_return(&queue
->state
)){
4317 start_index
= queue
->next_buf_to_fill
;
4318 /* check if we can go back to non-packing state */
4319 flush_count
+= qeth_switch_to_nonpacking_if_needed(queue
);
4321 * check if we need to flush a packing buffer to get a pci
4322 * flag out on the queue
4324 if (!flush_count
&& !atomic_read(&queue
->set_pci_flags_count
))
4325 flush_count
+= qeth_flush_buffers_on_no_pci(queue
);
4327 qeth_flush_buffers(queue
, 0, start_index
, flush_count
);
4329 /* at this point the queue is UNLOCKED again */
4330 if (queue
->card
->options
.performance_stats
&& do_pack
)
4331 queue
->card
->perf_stats
.bufs_sent_pack
+= flush_count
;
4337 qeth_get_elements_no(struct qeth_card
*card
, void *hdr
,
4338 struct sk_buff
*skb
, int elems
)
4340 int elements_needed
= 0;
4342 if (skb_shinfo(skb
)->nr_frags
> 0)
4343 elements_needed
= (skb_shinfo(skb
)->nr_frags
+ 1);
4344 if (elements_needed
== 0)
4345 elements_needed
= 1 + (((((unsigned long) hdr
) % PAGE_SIZE
)
4346 + skb
->len
) >> PAGE_SHIFT
);
4347 if ((elements_needed
+ elems
) > QETH_MAX_BUFFER_ELEMENTS(card
)){
4348 PRINT_ERR("Invalid size of IP packet "
4349 "(Number=%d / Length=%d). Discarded.\n",
4350 (elements_needed
+elems
), skb
->len
);
4353 return elements_needed
;
4358 qeth_send_packet(struct qeth_card
*card
, struct sk_buff
*skb
)
4362 struct qeth_qdio_out_q
*queue
;
4363 struct qeth_hdr
*hdr
= NULL
;
4364 int elements_needed
= 0;
4365 enum qeth_large_send_types large_send
= QETH_LARGE_SEND_NO
;
4366 struct qeth_eddp_context
*ctx
= NULL
;
4367 int tx_bytes
= skb
->len
;
4368 unsigned short nr_frags
= skb_shinfo(skb
)->nr_frags
;
4369 unsigned short tso_size
= skb_shinfo(skb
)->gso_size
;
4370 struct sk_buff
*new_skb
, *new_skb2
;
4373 QETH_DBF_TEXT(trace
, 6, "sendpkt");
4376 if ((card
->info
.type
== QETH_CARD_TYPE_OSN
) &&
4377 (skb
->protocol
== htons(ETH_P_IPV6
)))
4379 cast_type
= qeth_get_cast_type(card
, skb
);
4380 if ((cast_type
== RTN_BROADCAST
) &&
4381 (card
->info
.broadcast_capable
== 0))
4383 queue
= card
->qdio
.out_qs
4384 [qeth_get_priority_queue(card
, skb
, ipv
, cast_type
)];
4385 if (!card
->options
.layer2
) {
4386 ipv
= qeth_get_ip_version(skb
);
4387 if ((card
->dev
->hard_header
== qeth_fake_header
) && ipv
) {
4388 new_skb
= qeth_pskb_unshare(skb
, GFP_ATOMIC
);
4391 if(card
->dev
->type
== ARPHRD_IEEE802_TR
){
4392 skb_pull(new_skb
, QETH_FAKE_LL_LEN_TR
);
4394 skb_pull(new_skb
, QETH_FAKE_LL_LEN_ETH
);
4398 if (skb_is_gso(skb
))
4399 large_send
= card
->options
.large_send
;
4400 /* check on OSN device*/
4401 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
4402 hdr
= (struct qeth_hdr
*)new_skb
->data
;
4403 /*are we able to do TSO ? */
4404 if ((large_send
== QETH_LARGE_SEND_TSO
) &&
4405 (cast_type
== RTN_UNSPEC
)) {
4406 rc
= qeth_tso_prepare_packet(card
, new_skb
, ipv
, cast_type
);
4408 __qeth_free_new_skb(skb
, new_skb
);
4412 } else if (card
->info
.type
!= QETH_CARD_TYPE_OSN
) {
4413 new_skb2
= qeth_prepare_skb(card
, new_skb
, &hdr
, ipv
);
4415 __qeth_free_new_skb(skb
, new_skb
);
4419 __qeth_free_new_skb(new_skb2
, new_skb
);
4421 qeth_fill_header(card
, hdr
, new_skb
, ipv
, cast_type
);
4423 if (large_send
== QETH_LARGE_SEND_EDDP
) {
4424 ctx
= qeth_eddp_create_context(card
, new_skb
, hdr
);
4426 __qeth_free_new_skb(skb
, new_skb
);
4427 PRINT_WARN("could not create eddp context\n");
4431 int elems
= qeth_get_elements_no(card
,(void*) hdr
, new_skb
,
4434 __qeth_free_new_skb(skb
, new_skb
);
4437 elements_needed
+= elems
;
4440 if (card
->info
.type
!= QETH_CARD_TYPE_IQD
)
4441 rc
= qeth_do_send_packet(card
, queue
, new_skb
, hdr
,
4442 elements_needed
, ctx
);
4444 rc
= qeth_do_send_packet_fast(card
, queue
, new_skb
, hdr
,
4445 elements_needed
, ctx
);
4447 card
->stats
.tx_packets
++;
4448 card
->stats
.tx_bytes
+= tx_bytes
;
4450 dev_kfree_skb_any(skb
);
4451 if (card
->options
.performance_stats
) {
4453 !(large_send
== QETH_LARGE_SEND_NO
)) {
4454 card
->perf_stats
.large_send_bytes
+= tx_bytes
;
4455 card
->perf_stats
.large_send_cnt
++;
4458 card
->perf_stats
.sg_skbs_sent
++;
4459 /* nr_frags + skb->data */
4460 card
->perf_stats
.sg_frags_sent
+=
4465 card
->stats
.tx_dropped
++;
4466 __qeth_free_new_skb(skb
, new_skb
);
4469 /* drop creator's reference */
4470 qeth_eddp_put_context(ctx
);
4471 /* free skb; it's not referenced by a buffer */
4473 dev_kfree_skb_any(new_skb
);
4479 qeth_mdio_read(struct net_device
*dev
, int phy_id
, int regnum
)
4481 struct qeth_card
*card
= (struct qeth_card
*) dev
->priv
;
4485 case MII_BMCR
: /* Basic mode control register */
4487 if ((card
->info
.link_type
!= QETH_LINK_TYPE_GBIT_ETH
)&&
4488 (card
->info
.link_type
!= QETH_LINK_TYPE_OSN
) &&
4489 (card
->info
.link_type
!= QETH_LINK_TYPE_10GBIT_ETH
))
4490 rc
|= BMCR_SPEED100
;
4492 case MII_BMSR
: /* Basic mode status register */
4493 rc
= BMSR_ERCAP
| BMSR_ANEGCOMPLETE
| BMSR_LSTATUS
|
4494 BMSR_10HALF
| BMSR_10FULL
| BMSR_100HALF
| BMSR_100FULL
|
4497 case MII_PHYSID1
: /* PHYS ID 1 */
4498 rc
= (dev
->dev_addr
[0] << 16) | (dev
->dev_addr
[1] << 8) |
4500 rc
= (rc
>> 5) & 0xFFFF;
4502 case MII_PHYSID2
: /* PHYS ID 2 */
4503 rc
= (dev
->dev_addr
[2] << 10) & 0xFFFF;
4505 case MII_ADVERTISE
: /* Advertisement control reg */
4508 case MII_LPA
: /* Link partner ability reg */
4509 rc
= LPA_10HALF
| LPA_10FULL
| LPA_100HALF
| LPA_100FULL
|
4510 LPA_100BASE4
| LPA_LPACK
;
4512 case MII_EXPANSION
: /* Expansion register */
4514 case MII_DCOUNTER
: /* disconnect counter */
4516 case MII_FCSCOUNTER
: /* false carrier counter */
4518 case MII_NWAYTEST
: /* N-way auto-neg test register */
4520 case MII_RERRCOUNTER
: /* rx error counter */
4521 rc
= card
->stats
.rx_errors
;
4523 case MII_SREVISION
: /* silicon revision */
4525 case MII_RESV1
: /* reserved 1 */
4527 case MII_LBRERROR
: /* loopback, rx, bypass error */
4529 case MII_PHYADDR
: /* physical address */
4531 case MII_RESV2
: /* reserved 2 */
4533 case MII_TPISTATUS
: /* TPI status for 10mbps */
4535 case MII_NCONFIG
: /* network interface config */
4545 qeth_arp_get_error_cause(int *rc
)
4548 case QETH_IPA_ARP_RC_FAILED
:
4550 return "operation failed";
4551 case QETH_IPA_ARP_RC_NOTSUPP
:
4553 return "operation not supported";
4554 case QETH_IPA_ARP_RC_OUT_OF_RANGE
:
4556 return "argument out of range";
4557 case QETH_IPA_ARP_RC_Q_NOTSUPP
:
4559 return "query operation not supported";
4560 case QETH_IPA_ARP_RC_Q_NO_DATA
:
4562 return "no query data available";
4564 return "unknown error";
4569 qeth_send_simple_setassparms(struct qeth_card
*, enum qeth_ipa_funcs
,
4573 qeth_arp_set_no_entries(struct qeth_card
*card
, int no_entries
)
4578 QETH_DBF_TEXT(trace
,3,"arpstnoe");
4581 * currently GuestLAN only supports the ARP assist function
4582 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
4583 * thus we say EOPNOTSUPP for this ARP function
4585 if (card
->info
.guestlan
)
4587 if (!qeth_is_supported(card
,IPA_ARP_PROCESSING
)) {
4588 PRINT_WARN("ARP processing not supported "
4589 "on %s!\n", QETH_CARD_IFNAME(card
));
4592 rc
= qeth_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
4593 IPA_CMD_ASS_ARP_SET_NO_ENTRIES
,
4597 PRINT_WARN("Could not set number of ARP entries on %s: "
4599 QETH_CARD_IFNAME(card
), qeth_arp_get_error_cause(&rc
),
4606 qeth_copy_arp_entries_stripped(struct qeth_arp_query_info
*qinfo
,
4607 struct qeth_arp_query_data
*qdata
,
4608 int entry_size
, int uentry_size
)
4614 entry_ptr
= (char *)&qdata
->data
;
4615 uentry_ptr
= (char *)(qinfo
->udata
+ qinfo
->udata_offset
);
4616 for (i
= 0; i
< qdata
->no_entries
; ++i
){
4617 /* strip off 32 bytes "media specific information" */
4618 memcpy(uentry_ptr
, (entry_ptr
+ 32), entry_size
- 32);
4619 entry_ptr
+= entry_size
;
4620 uentry_ptr
+= uentry_size
;
4625 qeth_arp_query_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
4628 struct qeth_ipa_cmd
*cmd
;
4629 struct qeth_arp_query_data
*qdata
;
4630 struct qeth_arp_query_info
*qinfo
;
4635 QETH_DBF_TEXT(trace
,4,"arpquecb");
4637 qinfo
= (struct qeth_arp_query_info
*) reply
->param
;
4638 cmd
= (struct qeth_ipa_cmd
*) data
;
4639 if (cmd
->hdr
.return_code
) {
4640 QETH_DBF_TEXT_(trace
,4,"qaer1%i", cmd
->hdr
.return_code
);
4643 if (cmd
->data
.setassparms
.hdr
.return_code
) {
4644 cmd
->hdr
.return_code
= cmd
->data
.setassparms
.hdr
.return_code
;
4645 QETH_DBF_TEXT_(trace
,4,"qaer2%i", cmd
->hdr
.return_code
);
4648 qdata
= &cmd
->data
.setassparms
.data
.query_arp
;
4649 switch(qdata
->reply_bits
){
4651 uentry_size
= entry_size
= sizeof(struct qeth_arp_qi_entry5
);
4652 if (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
)
4653 uentry_size
= sizeof(struct qeth_arp_qi_entry5_short
);
4656 /* fall through to default */
4658 /* tr is the same as eth -> entry7 */
4659 uentry_size
= entry_size
= sizeof(struct qeth_arp_qi_entry7
);
4660 if (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
)
4661 uentry_size
= sizeof(struct qeth_arp_qi_entry7_short
);
4664 /* check if there is enough room in userspace */
4665 if ((qinfo
->udata_len
- qinfo
->udata_offset
) <
4666 qdata
->no_entries
* uentry_size
){
4667 QETH_DBF_TEXT_(trace
, 4, "qaer3%i", -ENOMEM
);
4668 cmd
->hdr
.return_code
= -ENOMEM
;
4669 PRINT_WARN("query ARP user space buffer is too small for "
4670 "the returned number of ARP entries. "
4671 "Aborting query!\n");
4674 QETH_DBF_TEXT_(trace
, 4, "anore%i",
4675 cmd
->data
.setassparms
.hdr
.number_of_replies
);
4676 QETH_DBF_TEXT_(trace
, 4, "aseqn%i", cmd
->data
.setassparms
.hdr
.seq_no
);
4677 QETH_DBF_TEXT_(trace
, 4, "anoen%i", qdata
->no_entries
);
4679 if (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
) {
4680 /* strip off "media specific information" */
4681 qeth_copy_arp_entries_stripped(qinfo
, qdata
, entry_size
,
4684 /*copy entries to user buffer*/
4685 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
4686 (char *)&qdata
->data
, qdata
->no_entries
*uentry_size
);
4688 qinfo
->no_entries
+= qdata
->no_entries
;
4689 qinfo
->udata_offset
+= (qdata
->no_entries
*uentry_size
);
4690 /* check if all replies received ... */
4691 if (cmd
->data
.setassparms
.hdr
.seq_no
<
4692 cmd
->data
.setassparms
.hdr
.number_of_replies
)
4694 memcpy(qinfo
->udata
, &qinfo
->no_entries
, 4);
4695 /* keep STRIP_ENTRIES flag so the user program can distinguish
4696 * stripped entries from normal ones */
4697 if (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
)
4698 qdata
->reply_bits
|= QETH_QARP_STRIP_ENTRIES
;
4699 memcpy(qinfo
->udata
+ QETH_QARP_MASK_OFFSET
,&qdata
->reply_bits
,2);
4703 memcpy(qinfo
->udata
, &i
, 4);
4708 qeth_send_ipa_arp_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
4709 int len
, int (*reply_cb
)(struct qeth_card
*,
4710 struct qeth_reply
*,
4714 QETH_DBF_TEXT(trace
,4,"sendarp");
4716 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
4717 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
4718 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
4719 return qeth_send_control_data(card
, IPA_PDU_HEADER_SIZE
+ len
, iob
,
4720 reply_cb
, reply_param
);
4724 qeth_send_ipa_snmp_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
4725 int len
, int (*reply_cb
)(struct qeth_card
*,
4726 struct qeth_reply
*,
4732 QETH_DBF_TEXT(trace
,4,"sendsnmp");
4734 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
4735 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
4736 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
4737 /* adjust PDU length fields in IPA_PDU_HEADER */
4738 s1
= (u32
) IPA_PDU_HEADER_SIZE
+ len
;
4740 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob
->data
), &s1
, 2);
4741 memcpy(QETH_IPA_PDU_LEN_PDU1(iob
->data
), &s2
, 2);
4742 memcpy(QETH_IPA_PDU_LEN_PDU2(iob
->data
), &s2
, 2);
4743 memcpy(QETH_IPA_PDU_LEN_PDU3(iob
->data
), &s2
, 2);
4744 return qeth_send_control_data(card
, IPA_PDU_HEADER_SIZE
+ len
, iob
,
4745 reply_cb
, reply_param
);
4748 static struct qeth_cmd_buffer
*
4749 qeth_get_setassparms_cmd(struct qeth_card
*, enum qeth_ipa_funcs
,
4750 __u16
, __u16
, enum qeth_prot_versions
);
4752 qeth_arp_query(struct qeth_card
*card
, char __user
*udata
)
4754 struct qeth_cmd_buffer
*iob
;
4755 struct qeth_arp_query_info qinfo
= {0, };
4759 QETH_DBF_TEXT(trace
,3,"arpquery");
4761 if (!qeth_is_supported(card
,/*IPA_QUERY_ARP_ADDR_INFO*/
4762 IPA_ARP_PROCESSING
)) {
4763 PRINT_WARN("ARP processing not supported "
4764 "on %s!\n", QETH_CARD_IFNAME(card
));
4767 /* get size of userspace buffer and mask_bits -> 6 bytes */
4768 if (copy_from_user(&qinfo
, udata
, 6))
4770 if (!(qinfo
.udata
= kzalloc(qinfo
.udata_len
, GFP_KERNEL
)))
4772 qinfo
.udata_offset
= QETH_QARP_ENTRIES_OFFSET
;
4773 iob
= qeth_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
4774 IPA_CMD_ASS_ARP_QUERY_INFO
,
4775 sizeof(int),QETH_PROT_IPV4
);
4777 rc
= qeth_send_ipa_arp_cmd(card
, iob
,
4778 QETH_SETASS_BASE_LEN
+QETH_ARP_CMD_LEN
,
4779 qeth_arp_query_cb
, (void *)&qinfo
);
4782 PRINT_WARN("Error while querying ARP cache on %s: %s "
4784 QETH_CARD_IFNAME(card
), qeth_arp_get_error_cause(&rc
),
4786 if (copy_to_user(udata
, qinfo
.udata
, 4))
4789 if (copy_to_user(udata
, qinfo
.udata
, qinfo
.udata_len
))
4797 * SNMP command callback
4800 qeth_snmp_command_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
4801 unsigned long sdata
)
4803 struct qeth_ipa_cmd
*cmd
;
4804 struct qeth_arp_query_info
*qinfo
;
4805 struct qeth_snmp_cmd
*snmp
;
4806 unsigned char *data
;
4809 QETH_DBF_TEXT(trace
,3,"snpcmdcb");
4811 cmd
= (struct qeth_ipa_cmd
*) sdata
;
4812 data
= (unsigned char *)((char *)cmd
- reply
->offset
);
4813 qinfo
= (struct qeth_arp_query_info
*) reply
->param
;
4814 snmp
= &cmd
->data
.setadapterparms
.data
.snmp
;
4816 if (cmd
->hdr
.return_code
) {
4817 QETH_DBF_TEXT_(trace
,4,"scer1%i", cmd
->hdr
.return_code
);
4820 if (cmd
->data
.setadapterparms
.hdr
.return_code
) {
4821 cmd
->hdr
.return_code
= cmd
->data
.setadapterparms
.hdr
.return_code
;
4822 QETH_DBF_TEXT_(trace
,4,"scer2%i", cmd
->hdr
.return_code
);
4825 data_len
= *((__u16
*)QETH_IPA_PDU_LEN_PDU1(data
));
4826 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1)
4827 data_len
-= (__u16
)((char *)&snmp
->data
- (char *)cmd
);
4829 data_len
-= (__u16
)((char*)&snmp
->request
- (char *)cmd
);
4831 /* check if there is enough room in userspace */
4832 if ((qinfo
->udata_len
- qinfo
->udata_offset
) < data_len
) {
4833 QETH_DBF_TEXT_(trace
, 4, "scer3%i", -ENOMEM
);
4834 cmd
->hdr
.return_code
= -ENOMEM
;
4837 QETH_DBF_TEXT_(trace
, 4, "snore%i",
4838 cmd
->data
.setadapterparms
.hdr
.used_total
);
4839 QETH_DBF_TEXT_(trace
, 4, "sseqn%i", cmd
->data
.setadapterparms
.hdr
.seq_no
);
4840 /*copy entries to user buffer*/
4841 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1) {
4842 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
4844 data_len
+ offsetof(struct qeth_snmp_cmd
,data
));
4845 qinfo
->udata_offset
+= offsetof(struct qeth_snmp_cmd
, data
);
4847 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
4848 (char *)&snmp
->request
, data_len
);
4850 qinfo
->udata_offset
+= data_len
;
4851 /* check if all replies received ... */
4852 QETH_DBF_TEXT_(trace
, 4, "srtot%i",
4853 cmd
->data
.setadapterparms
.hdr
.used_total
);
4854 QETH_DBF_TEXT_(trace
, 4, "srseq%i",
4855 cmd
->data
.setadapterparms
.hdr
.seq_no
);
4856 if (cmd
->data
.setadapterparms
.hdr
.seq_no
<
4857 cmd
->data
.setadapterparms
.hdr
.used_total
)
4862 static struct qeth_cmd_buffer
*
4863 qeth_get_ipacmd_buffer(struct qeth_card
*, enum qeth_ipa_cmds
,
4864 enum qeth_prot_versions
);
4866 static struct qeth_cmd_buffer
*
4867 qeth_get_adapter_cmd(struct qeth_card
*card
, __u32 command
, __u32 cmdlen
)
4869 struct qeth_cmd_buffer
*iob
;
4870 struct qeth_ipa_cmd
*cmd
;
4872 iob
= qeth_get_ipacmd_buffer(card
,IPA_CMD_SETADAPTERPARMS
,
4874 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4875 cmd
->data
.setadapterparms
.hdr
.cmdlength
= cmdlen
;
4876 cmd
->data
.setadapterparms
.hdr
.command_code
= command
;
4877 cmd
->data
.setadapterparms
.hdr
.used_total
= 1;
4878 cmd
->data
.setadapterparms
.hdr
.seq_no
= 1;
4884 * function to send SNMP commands to OSA-E card
4887 qeth_snmp_command(struct qeth_card
*card
, char __user
*udata
)
4889 struct qeth_cmd_buffer
*iob
;
4890 struct qeth_ipa_cmd
*cmd
;
4891 struct qeth_snmp_ureq
*ureq
;
4893 struct qeth_arp_query_info qinfo
= {0, };
4896 QETH_DBF_TEXT(trace
,3,"snmpcmd");
4898 if (card
->info
.guestlan
)
4901 if ((!qeth_adp_supported(card
,IPA_SETADP_SET_SNMP_CONTROL
)) &&
4902 (!card
->options
.layer2
) ) {
4903 PRINT_WARN("SNMP Query MIBS not supported "
4904 "on %s!\n", QETH_CARD_IFNAME(card
));
4907 /* skip 4 bytes (data_len struct member) to get req_len */
4908 if (copy_from_user(&req_len
, udata
+ sizeof(int), sizeof(int)))
4910 ureq
= kmalloc(req_len
+sizeof(struct qeth_snmp_ureq_hdr
), GFP_KERNEL
);
4912 QETH_DBF_TEXT(trace
, 2, "snmpnome");
4915 if (copy_from_user(ureq
, udata
,
4916 req_len
+sizeof(struct qeth_snmp_ureq_hdr
))){
4920 qinfo
.udata_len
= ureq
->hdr
.data_len
;
4921 if (!(qinfo
.udata
= kzalloc(qinfo
.udata_len
, GFP_KERNEL
))){
4925 qinfo
.udata_offset
= sizeof(struct qeth_snmp_ureq_hdr
);
4927 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_SNMP_CONTROL
,
4928 QETH_SNMP_SETADP_CMDLENGTH
+ req_len
);
4929 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4930 memcpy(&cmd
->data
.setadapterparms
.data
.snmp
, &ureq
->cmd
, req_len
);
4931 rc
= qeth_send_ipa_snmp_cmd(card
, iob
, QETH_SETADP_BASE_LEN
+ req_len
,
4932 qeth_snmp_command_cb
, (void *)&qinfo
);
4934 PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
4935 QETH_CARD_IFNAME(card
), rc
);
4937 if (copy_to_user(udata
, qinfo
.udata
, qinfo
.udata_len
))
4947 qeth_default_setassparms_cb(struct qeth_card
*, struct qeth_reply
*,
4951 qeth_default_setadapterparms_cb(struct qeth_card
*card
,
4952 struct qeth_reply
*reply
,
4953 unsigned long data
);
4955 qeth_send_setassparms(struct qeth_card
*, struct qeth_cmd_buffer
*,
4958 (struct qeth_card
*, struct qeth_reply
*, unsigned long),
4962 qeth_arp_add_entry(struct qeth_card
*card
, struct qeth_arp_cache_entry
*entry
)
4964 struct qeth_cmd_buffer
*iob
;
4969 QETH_DBF_TEXT(trace
,3,"arpadent");
4972 * currently GuestLAN only supports the ARP assist function
4973 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
4974 * thus we say EOPNOTSUPP for this ARP function
4976 if (card
->info
.guestlan
)
4978 if (!qeth_is_supported(card
,IPA_ARP_PROCESSING
)) {
4979 PRINT_WARN("ARP processing not supported "
4980 "on %s!\n", QETH_CARD_IFNAME(card
));
4984 iob
= qeth_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
4985 IPA_CMD_ASS_ARP_ADD_ENTRY
,
4986 sizeof(struct qeth_arp_cache_entry
),
4988 rc
= qeth_send_setassparms(card
, iob
,
4989 sizeof(struct qeth_arp_cache_entry
),
4990 (unsigned long) entry
,
4991 qeth_default_setassparms_cb
, NULL
);
4994 qeth_ipaddr4_to_string((u8
*)entry
->ipaddr
, buf
);
4995 PRINT_WARN("Could not add ARP entry for address %s on %s: "
4997 buf
, QETH_CARD_IFNAME(card
),
4998 qeth_arp_get_error_cause(&rc
), tmp
, tmp
);
5004 qeth_arp_remove_entry(struct qeth_card
*card
, struct qeth_arp_cache_entry
*entry
)
5006 struct qeth_cmd_buffer
*iob
;
5007 char buf
[16] = {0, };
5011 QETH_DBF_TEXT(trace
,3,"arprment");
5014 * currently GuestLAN only supports the ARP assist function
5015 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
5016 * thus we say EOPNOTSUPP for this ARP function
5018 if (card
->info
.guestlan
)
5020 if (!qeth_is_supported(card
,IPA_ARP_PROCESSING
)) {
5021 PRINT_WARN("ARP processing not supported "
5022 "on %s!\n", QETH_CARD_IFNAME(card
));
5025 memcpy(buf
, entry
, 12);
5026 iob
= qeth_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
5027 IPA_CMD_ASS_ARP_REMOVE_ENTRY
,
5030 rc
= qeth_send_setassparms(card
, iob
,
5031 12, (unsigned long)buf
,
5032 qeth_default_setassparms_cb
, NULL
);
5036 qeth_ipaddr4_to_string((u8
*)entry
->ipaddr
, buf
);
5037 PRINT_WARN("Could not delete ARP entry for address %s on %s: "
5039 buf
, QETH_CARD_IFNAME(card
),
5040 qeth_arp_get_error_cause(&rc
), tmp
, tmp
);
5046 qeth_arp_flush_cache(struct qeth_card
*card
)
5051 QETH_DBF_TEXT(trace
,3,"arpflush");
5054 * currently GuestLAN only supports the ARP assist function
5055 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
5056 * thus we say EOPNOTSUPP for this ARP function
5058 if (card
->info
.guestlan
|| (card
->info
.type
== QETH_CARD_TYPE_IQD
))
5060 if (!qeth_is_supported(card
,IPA_ARP_PROCESSING
)) {
5061 PRINT_WARN("ARP processing not supported "
5062 "on %s!\n", QETH_CARD_IFNAME(card
));
5065 rc
= qeth_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
5066 IPA_CMD_ASS_ARP_FLUSH_CACHE
, 0);
5069 PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n",
5070 QETH_CARD_IFNAME(card
), qeth_arp_get_error_cause(&rc
),
5077 qeth_do_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
)
5079 struct qeth_card
*card
= (struct qeth_card
*)dev
->priv
;
5080 struct qeth_arp_cache_entry arp_entry
;
5081 struct mii_ioctl_data
*mii_data
;
5087 if ((card
->state
!= CARD_STATE_UP
) &&
5088 (card
->state
!= CARD_STATE_SOFTSETUP
))
5091 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
5095 case SIOC_QETH_ARP_SET_NO_ENTRIES
:
5096 if ( !capable(CAP_NET_ADMIN
) ||
5097 (card
->options
.layer2
) ) {
5101 rc
= qeth_arp_set_no_entries(card
, rq
->ifr_ifru
.ifru_ivalue
);
5103 case SIOC_QETH_ARP_QUERY_INFO
:
5104 if ( !capable(CAP_NET_ADMIN
) ||
5105 (card
->options
.layer2
) ) {
5109 rc
= qeth_arp_query(card
, rq
->ifr_ifru
.ifru_data
);
5111 case SIOC_QETH_ARP_ADD_ENTRY
:
5112 if ( !capable(CAP_NET_ADMIN
) ||
5113 (card
->options
.layer2
) ) {
5117 if (copy_from_user(&arp_entry
, rq
->ifr_ifru
.ifru_data
,
5118 sizeof(struct qeth_arp_cache_entry
)))
5121 rc
= qeth_arp_add_entry(card
, &arp_entry
);
5123 case SIOC_QETH_ARP_REMOVE_ENTRY
:
5124 if ( !capable(CAP_NET_ADMIN
) ||
5125 (card
->options
.layer2
) ) {
5129 if (copy_from_user(&arp_entry
, rq
->ifr_ifru
.ifru_data
,
5130 sizeof(struct qeth_arp_cache_entry
)))
5133 rc
= qeth_arp_remove_entry(card
, &arp_entry
);
5135 case SIOC_QETH_ARP_FLUSH_CACHE
:
5136 if ( !capable(CAP_NET_ADMIN
) ||
5137 (card
->options
.layer2
) ) {
5141 rc
= qeth_arp_flush_cache(card
);
5143 case SIOC_QETH_ADP_SET_SNMP_CONTROL
:
5144 rc
= qeth_snmp_command(card
, rq
->ifr_ifru
.ifru_data
);
5146 case SIOC_QETH_GET_CARD_TYPE
:
5147 if ((card
->info
.type
== QETH_CARD_TYPE_OSAE
) &&
5148 !card
->info
.guestlan
)
5153 mii_data
= if_mii(rq
);
5154 mii_data
->phy_id
= 0;
5157 mii_data
= if_mii(rq
);
5158 if (mii_data
->phy_id
!= 0)
5161 mii_data
->val_out
= qeth_mdio_read(dev
,mii_data
->phy_id
,
5168 QETH_DBF_TEXT_(trace
, 2, "ioce%d", rc
);
5172 static struct net_device_stats
*
5173 qeth_get_stats(struct net_device
*dev
)
5175 struct qeth_card
*card
;
5177 card
= (struct qeth_card
*) (dev
->priv
);
5179 QETH_DBF_TEXT(trace
,5,"getstat");
5181 return &card
->stats
;
5185 qeth_change_mtu(struct net_device
*dev
, int new_mtu
)
5187 struct qeth_card
*card
;
5190 card
= (struct qeth_card
*) (dev
->priv
);
5192 QETH_DBF_TEXT(trace
,4,"chgmtu");
5193 sprintf(dbf_text
, "%8x", new_mtu
);
5194 QETH_DBF_TEXT(trace
,4,dbf_text
);
5198 if (new_mtu
> 65535)
5200 if ((!qeth_is_supported(card
,IPA_IP_FRAGMENTATION
)) &&
5201 (!qeth_mtu_is_valid(card
, new_mtu
)))
5207 #ifdef CONFIG_QETH_VLAN
5209 qeth_vlan_rx_register(struct net_device
*dev
, struct vlan_group
*grp
)
5211 struct qeth_card
*card
;
5212 unsigned long flags
;
5214 QETH_DBF_TEXT(trace
,4,"vlanreg");
5216 card
= (struct qeth_card
*) dev
->priv
;
5217 spin_lock_irqsave(&card
->vlanlock
, flags
);
5218 card
->vlangrp
= grp
;
5219 spin_unlock_irqrestore(&card
->vlanlock
, flags
);
5223 qeth_free_vlan_buffer(struct qeth_card
*card
, struct qeth_qdio_out_buffer
*buf
,
5227 struct sk_buff
*skb
;
5228 struct sk_buff_head tmp_list
;
5230 skb_queue_head_init(&tmp_list
);
5231 lockdep_set_class(&tmp_list
.lock
, &qdio_out_skb_queue_key
);
5232 for(i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
){
5233 while ((skb
= skb_dequeue(&buf
->skb_list
))){
5234 if (vlan_tx_tag_present(skb
) &&
5235 (vlan_tx_tag_get(skb
) == vid
)) {
5236 atomic_dec(&skb
->users
);
5239 skb_queue_tail(&tmp_list
, skb
);
5242 while ((skb
= skb_dequeue(&tmp_list
)))
5243 skb_queue_tail(&buf
->skb_list
, skb
);
5247 qeth_free_vlan_skbs(struct qeth_card
*card
, unsigned short vid
)
5251 QETH_DBF_TEXT(trace
, 4, "frvlskbs");
5252 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
){
5253 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
)
5254 qeth_free_vlan_buffer(card
, &card
->qdio
.
5255 out_qs
[i
]->bufs
[j
], vid
);
5260 qeth_free_vlan_addresses4(struct qeth_card
*card
, unsigned short vid
)
5262 struct in_device
*in_dev
;
5263 struct in_ifaddr
*ifa
;
5264 struct qeth_ipaddr
*addr
;
5266 QETH_DBF_TEXT(trace
, 4, "frvaddr4");
5269 in_dev
= __in_dev_get_rcu(vlan_group_get_device(card
->vlangrp
, vid
));
5272 for (ifa
= in_dev
->ifa_list
; ifa
; ifa
= ifa
->ifa_next
) {
5273 addr
= qeth_get_addr_buffer(QETH_PROT_IPV4
);
5275 addr
->u
.a4
.addr
= ifa
->ifa_address
;
5276 addr
->u
.a4
.mask
= ifa
->ifa_mask
;
5277 addr
->type
= QETH_IP_TYPE_NORMAL
;
5278 if (!qeth_delete_ip(card
, addr
))
5287 qeth_free_vlan_addresses6(struct qeth_card
*card
, unsigned short vid
)
5289 #ifdef CONFIG_QETH_IPV6
5290 struct inet6_dev
*in6_dev
;
5291 struct inet6_ifaddr
*ifa
;
5292 struct qeth_ipaddr
*addr
;
5294 QETH_DBF_TEXT(trace
, 4, "frvaddr6");
5296 in6_dev
= in6_dev_get(vlan_group_get_device(card
->vlangrp
, vid
));
5299 for (ifa
= in6_dev
->addr_list
; ifa
; ifa
= ifa
->lst_next
){
5300 addr
= qeth_get_addr_buffer(QETH_PROT_IPV6
);
5302 memcpy(&addr
->u
.a6
.addr
, &ifa
->addr
,
5303 sizeof(struct in6_addr
));
5304 addr
->u
.a6
.pfxlen
= ifa
->prefix_len
;
5305 addr
->type
= QETH_IP_TYPE_NORMAL
;
5306 if (!qeth_delete_ip(card
, addr
))
5310 in6_dev_put(in6_dev
);
5311 #endif /* CONFIG_QETH_IPV6 */
5315 qeth_free_vlan_addresses(struct qeth_card
*card
, unsigned short vid
)
5317 if (card
->options
.layer2
|| !card
->vlangrp
)
5319 qeth_free_vlan_addresses4(card
, vid
);
5320 qeth_free_vlan_addresses6(card
, vid
);
5324 qeth_layer2_send_setdelvlan_cb(struct qeth_card
*card
,
5325 struct qeth_reply
*reply
,
5328 struct qeth_ipa_cmd
*cmd
;
5330 QETH_DBF_TEXT(trace
, 2, "L2sdvcb");
5331 cmd
= (struct qeth_ipa_cmd
*) data
;
5332 if (cmd
->hdr
.return_code
) {
5333 PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
5334 "Continuing\n",cmd
->data
.setdelvlan
.vlan_id
,
5335 QETH_CARD_IFNAME(card
), cmd
->hdr
.return_code
);
5336 QETH_DBF_TEXT_(trace
, 2, "L2VL%4x", cmd
->hdr
.command
);
5337 QETH_DBF_TEXT_(trace
, 2, "L2%s", CARD_BUS_ID(card
));
5338 QETH_DBF_TEXT_(trace
, 2, "err%d", cmd
->hdr
.return_code
);
5344 qeth_layer2_send_setdelvlan(struct qeth_card
*card
, __u16 i
,
5345 enum qeth_ipa_cmds ipacmd
)
5347 struct qeth_ipa_cmd
*cmd
;
5348 struct qeth_cmd_buffer
*iob
;
5350 QETH_DBF_TEXT_(trace
, 4, "L2sdv%x",ipacmd
);
5351 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, QETH_PROT_IPV4
);
5352 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
5353 cmd
->data
.setdelvlan
.vlan_id
= i
;
5354 return qeth_send_ipa_cmd(card
, iob
,
5355 qeth_layer2_send_setdelvlan_cb
, NULL
);
5359 qeth_layer2_process_vlans(struct qeth_card
*card
, int clear
)
5363 QETH_DBF_TEXT(trace
, 3, "L2prcvln");
5367 for (i
= 0; i
< VLAN_GROUP_ARRAY_LEN
; i
++) {
5368 if (vlan_group_get_device(card
->vlangrp
, i
) == NULL
)
5371 qeth_layer2_send_setdelvlan(card
, i
, IPA_CMD_DELVLAN
);
5373 qeth_layer2_send_setdelvlan(card
, i
, IPA_CMD_SETVLAN
);
5377 /*add_vid is layer 2 used only ....*/
5379 qeth_vlan_rx_add_vid(struct net_device
*dev
, unsigned short vid
)
5381 struct qeth_card
*card
;
5383 QETH_DBF_TEXT_(trace
, 4, "aid:%d", vid
);
5385 card
= (struct qeth_card
*) dev
->priv
;
5386 if (!card
->options
.layer2
)
5388 qeth_layer2_send_setdelvlan(card
, vid
, IPA_CMD_SETVLAN
);
5391 /*... kill_vid used for both modes*/
5393 qeth_vlan_rx_kill_vid(struct net_device
*dev
, unsigned short vid
)
5395 struct qeth_card
*card
;
5396 unsigned long flags
;
5398 QETH_DBF_TEXT_(trace
, 4, "kid:%d", vid
);
5400 card
= (struct qeth_card
*) dev
->priv
;
5401 /* free all skbs for the vlan device */
5402 qeth_free_vlan_skbs(card
, vid
);
5403 spin_lock_irqsave(&card
->vlanlock
, flags
);
5404 /* unregister IP addresses of vlan device */
5405 qeth_free_vlan_addresses(card
, vid
);
5406 vlan_group_set_device(card
->vlangrp
, vid
, NULL
);
5407 spin_unlock_irqrestore(&card
->vlanlock
, flags
);
5408 if (card
->options
.layer2
)
5409 qeth_layer2_send_setdelvlan(card
, vid
, IPA_CMD_DELVLAN
);
5410 qeth_set_multicast_list(card
->dev
);
5414 * Examine hardware response to SET_PROMISC_MODE
5417 qeth_setadp_promisc_mode_cb(struct qeth_card
*card
,
5418 struct qeth_reply
*reply
,
5421 struct qeth_ipa_cmd
*cmd
;
5422 struct qeth_ipacmd_setadpparms
*setparms
;
5424 QETH_DBF_TEXT(trace
,4,"prmadpcb");
5426 cmd
= (struct qeth_ipa_cmd
*) data
;
5427 setparms
= &(cmd
->data
.setadapterparms
);
5429 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
5430 if (cmd
->hdr
.return_code
) {
5431 QETH_DBF_TEXT_(trace
,4,"prmrc%2.2x",cmd
->hdr
.return_code
);
5432 setparms
->data
.mode
= SET_PROMISC_MODE_OFF
;
5434 card
->info
.promisc_mode
= setparms
->data
.mode
;
5438 * Set promiscuous mode (on or off) (SET_PROMISC_MODE command)
5441 qeth_setadp_promisc_mode(struct qeth_card
*card
)
5443 enum qeth_ipa_promisc_modes mode
;
5444 struct net_device
*dev
= card
->dev
;
5445 struct qeth_cmd_buffer
*iob
;
5446 struct qeth_ipa_cmd
*cmd
;
5448 QETH_DBF_TEXT(trace
, 4, "setprom");
5450 if (((dev
->flags
& IFF_PROMISC
) &&
5451 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
)) ||
5452 (!(dev
->flags
& IFF_PROMISC
) &&
5453 (card
->info
.promisc_mode
== SET_PROMISC_MODE_OFF
)))
5455 mode
= SET_PROMISC_MODE_OFF
;
5456 if (dev
->flags
& IFF_PROMISC
)
5457 mode
= SET_PROMISC_MODE_ON
;
5458 QETH_DBF_TEXT_(trace
, 4, "mode:%x", mode
);
5460 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_PROMISC_MODE
,
5461 sizeof(struct qeth_ipacmd_setadpparms
));
5462 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+ IPA_PDU_HEADER_SIZE
);
5463 cmd
->data
.setadapterparms
.data
.mode
= mode
;
5464 qeth_send_ipa_cmd(card
, iob
, qeth_setadp_promisc_mode_cb
, NULL
);
5468 * set multicast address on card
5471 qeth_set_multicast_list(struct net_device
*dev
)
5473 struct qeth_card
*card
= (struct qeth_card
*) dev
->priv
;
5475 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
5478 QETH_DBF_TEXT(trace
, 3, "setmulti");
5479 qeth_delete_mc_addresses(card
);
5480 if (card
->options
.layer2
) {
5481 qeth_layer2_add_multicast(card
);
5484 qeth_add_multicast_ipv4(card
);
5485 #ifdef CONFIG_QETH_IPV6
5486 qeth_add_multicast_ipv6(card
);
5489 qeth_set_ip_addr_list(card
);
5490 if (!qeth_adp_supported(card
, IPA_SETADP_SET_PROMISC_MODE
))
5492 qeth_setadp_promisc_mode(card
);
5496 qeth_neigh_setup(struct net_device
*dev
, struct neigh_parms
*np
)
5502 qeth_get_mac_for_ipm(__u32 ipm
, char *mac
, struct net_device
*dev
)
5504 if (dev
->type
== ARPHRD_IEEE802_TR
)
5505 ip_tr_mc_map(ipm
, mac
);
5507 ip_eth_mc_map(ipm
, mac
);
5510 static struct qeth_ipaddr
*
5511 qeth_get_addr_buffer(enum qeth_prot_versions prot
)
5513 struct qeth_ipaddr
*addr
;
5515 addr
= kzalloc(sizeof(struct qeth_ipaddr
), GFP_ATOMIC
);
5517 PRINT_WARN("Not enough memory to add address\n");
5520 addr
->type
= QETH_IP_TYPE_NORMAL
;
5526 qeth_osn_assist(struct net_device
*dev
,
5530 struct qeth_cmd_buffer
*iob
;
5531 struct qeth_card
*card
;
5534 QETH_DBF_TEXT(trace
, 2, "osnsdmc");
5537 card
= (struct qeth_card
*)dev
->priv
;
5540 if ((card
->state
!= CARD_STATE_UP
) &&
5541 (card
->state
!= CARD_STATE_SOFTSETUP
))
5543 iob
= qeth_wait_for_buffer(&card
->write
);
5544 memcpy(iob
->data
+IPA_PDU_HEADER_SIZE
, data
, data_len
);
5545 rc
= qeth_osn_send_ipa_cmd(card
, iob
, data_len
);
5549 static struct net_device
*
5550 qeth_netdev_by_devno(unsigned char *read_dev_no
)
5552 struct qeth_card
*card
;
5553 struct net_device
*ndev
;
5554 unsigned char *readno
;
5555 __u16 temp_dev_no
, card_dev_no
;
5557 unsigned long flags
;
5560 memcpy(&temp_dev_no
, read_dev_no
, 2);
5561 read_lock_irqsave(&qeth_card_list
.rwlock
, flags
);
5562 list_for_each_entry(card
, &qeth_card_list
.list
, list
) {
5563 readno
= CARD_RDEV_ID(card
);
5564 readno
+= (strlen(readno
) - 4);
5565 card_dev_no
= simple_strtoul(readno
, &endp
, 16);
5566 if (card_dev_no
== temp_dev_no
) {
5571 read_unlock_irqrestore(&qeth_card_list
.rwlock
, flags
);
5576 qeth_osn_register(unsigned char *read_dev_no
,
5577 struct net_device
**dev
,
5578 int (*assist_cb
)(struct net_device
*, void *),
5579 int (*data_cb
)(struct sk_buff
*))
5581 struct qeth_card
* card
;
5583 QETH_DBF_TEXT(trace
, 2, "osnreg");
5584 *dev
= qeth_netdev_by_devno(read_dev_no
);
5587 card
= (struct qeth_card
*)(*dev
)->priv
;
5590 if ((assist_cb
== NULL
) || (data_cb
== NULL
))
5592 card
->osn_info
.assist_cb
= assist_cb
;
5593 card
->osn_info
.data_cb
= data_cb
;
5598 qeth_osn_deregister(struct net_device
* dev
)
5600 struct qeth_card
*card
;
5602 QETH_DBF_TEXT(trace
, 2, "osndereg");
5605 card
= (struct qeth_card
*)dev
->priv
;
5608 card
->osn_info
.assist_cb
= NULL
;
5609 card
->osn_info
.data_cb
= NULL
;
5614 qeth_delete_mc_addresses(struct qeth_card
*card
)
5616 struct qeth_ipaddr
*iptodo
;
5617 unsigned long flags
;
5619 QETH_DBF_TEXT(trace
,4,"delmc");
5620 iptodo
= qeth_get_addr_buffer(QETH_PROT_IPV4
);
5622 QETH_DBF_TEXT(trace
, 2, "dmcnomem");
5625 iptodo
->type
= QETH_IP_TYPE_DEL_ALL_MC
;
5626 spin_lock_irqsave(&card
->ip_lock
, flags
);
5627 if (!__qeth_insert_ip_todo(card
, iptodo
, 0))
5629 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
5633 qeth_add_mc(struct qeth_card
*card
, struct in_device
*in4_dev
)
5635 struct qeth_ipaddr
*ipm
;
5636 struct ip_mc_list
*im4
;
5637 char buf
[MAX_ADDR_LEN
];
5639 QETH_DBF_TEXT(trace
,4,"addmc");
5640 for (im4
= in4_dev
->mc_list
; im4
; im4
= im4
->next
) {
5641 qeth_get_mac_for_ipm(im4
->multiaddr
, buf
, in4_dev
->dev
);
5642 ipm
= qeth_get_addr_buffer(QETH_PROT_IPV4
);
5645 ipm
->u
.a4
.addr
= im4
->multiaddr
;
5646 memcpy(ipm
->mac
,buf
,OSA_ADDR_LEN
);
5647 ipm
->is_multicast
= 1;
5648 if (!qeth_add_ip(card
,ipm
))
5654 qeth_add_vlan_mc(struct qeth_card
*card
)
5656 #ifdef CONFIG_QETH_VLAN
5657 struct in_device
*in_dev
;
5658 struct vlan_group
*vg
;
5661 QETH_DBF_TEXT(trace
,4,"addmcvl");
5662 if ( ((card
->options
.layer2
== 0) &&
5663 (!qeth_is_supported(card
,IPA_FULL_VLAN
))) ||
5664 (card
->vlangrp
== NULL
) )
5668 for (i
= 0; i
< VLAN_GROUP_ARRAY_LEN
; i
++) {
5669 struct net_device
*netdev
= vlan_group_get_device(vg
, i
);
5670 if (netdev
== NULL
||
5671 !(netdev
->flags
& IFF_UP
))
5673 in_dev
= in_dev_get(netdev
);
5676 read_lock(&in_dev
->mc_list_lock
);
5677 qeth_add_mc(card
,in_dev
);
5678 read_unlock(&in_dev
->mc_list_lock
);
5685 qeth_add_multicast_ipv4(struct qeth_card
*card
)
5687 struct in_device
*in4_dev
;
5689 QETH_DBF_TEXT(trace
,4,"chkmcv4");
5690 in4_dev
= in_dev_get(card
->dev
);
5691 if (in4_dev
== NULL
)
5693 read_lock(&in4_dev
->mc_list_lock
);
5694 qeth_add_mc(card
, in4_dev
);
5695 qeth_add_vlan_mc(card
);
5696 read_unlock(&in4_dev
->mc_list_lock
);
5697 in_dev_put(in4_dev
);
5701 qeth_layer2_add_multicast(struct qeth_card
*card
)
5703 struct qeth_ipaddr
*ipm
;
5704 struct dev_mc_list
*dm
;
5706 QETH_DBF_TEXT(trace
,4,"L2addmc");
5707 for (dm
= card
->dev
->mc_list
; dm
; dm
= dm
->next
) {
5708 ipm
= qeth_get_addr_buffer(QETH_PROT_IPV4
);
5711 memcpy(ipm
->mac
,dm
->dmi_addr
,MAX_ADDR_LEN
);
5712 ipm
->is_multicast
= 1;
5713 if (!qeth_add_ip(card
, ipm
))
5718 #ifdef CONFIG_QETH_IPV6
5720 qeth_add_mc6(struct qeth_card
*card
, struct inet6_dev
*in6_dev
)
5722 struct qeth_ipaddr
*ipm
;
5723 struct ifmcaddr6
*im6
;
5724 char buf
[MAX_ADDR_LEN
];
5726 QETH_DBF_TEXT(trace
,4,"addmc6");
5727 for (im6
= in6_dev
->mc_list
; im6
!= NULL
; im6
= im6
->next
) {
5728 ndisc_mc_map(&im6
->mca_addr
, buf
, in6_dev
->dev
, 0);
5729 ipm
= qeth_get_addr_buffer(QETH_PROT_IPV6
);
5732 ipm
->is_multicast
= 1;
5733 memcpy(ipm
->mac
,buf
,OSA_ADDR_LEN
);
5734 memcpy(&ipm
->u
.a6
.addr
,&im6
->mca_addr
.s6_addr
,
5735 sizeof(struct in6_addr
));
5736 if (!qeth_add_ip(card
,ipm
))
5742 qeth_add_vlan_mc6(struct qeth_card
*card
)
5744 #ifdef CONFIG_QETH_VLAN
5745 struct inet6_dev
*in_dev
;
5746 struct vlan_group
*vg
;
5749 QETH_DBF_TEXT(trace
,4,"admc6vl");
5750 if ( ((card
->options
.layer2
== 0) &&
5751 (!qeth_is_supported(card
,IPA_FULL_VLAN
))) ||
5752 (card
->vlangrp
== NULL
))
5756 for (i
= 0; i
< VLAN_GROUP_ARRAY_LEN
; i
++) {
5757 struct net_device
*netdev
= vlan_group_get_device(vg
, i
);
5758 if (netdev
== NULL
||
5759 !(netdev
->flags
& IFF_UP
))
5761 in_dev
= in6_dev_get(netdev
);
5764 read_lock(&in_dev
->lock
);
5765 qeth_add_mc6(card
,in_dev
);
5766 read_unlock(&in_dev
->lock
);
5767 in6_dev_put(in_dev
);
5769 #endif /* CONFIG_QETH_VLAN */
5773 qeth_add_multicast_ipv6(struct qeth_card
*card
)
5775 struct inet6_dev
*in6_dev
;
5777 QETH_DBF_TEXT(trace
,4,"chkmcv6");
5778 if (!qeth_is_supported(card
, IPA_IPV6
))
5780 in6_dev
= in6_dev_get(card
->dev
);
5781 if (in6_dev
== NULL
)
5783 read_lock(&in6_dev
->lock
);
5784 qeth_add_mc6(card
, in6_dev
);
5785 qeth_add_vlan_mc6(card
);
5786 read_unlock(&in6_dev
->lock
);
5787 in6_dev_put(in6_dev
);
5789 #endif /* CONFIG_QETH_IPV6 */
5792 qeth_layer2_send_setdelmac(struct qeth_card
*card
, __u8
*mac
,
5793 enum qeth_ipa_cmds ipacmd
,
5794 int (*reply_cb
) (struct qeth_card
*,
5798 struct qeth_ipa_cmd
*cmd
;
5799 struct qeth_cmd_buffer
*iob
;
5801 QETH_DBF_TEXT(trace
, 2, "L2sdmac");
5802 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, QETH_PROT_IPV4
);
5803 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
5804 cmd
->data
.setdelmac
.mac_length
= OSA_ADDR_LEN
;
5805 memcpy(&cmd
->data
.setdelmac
.mac
, mac
, OSA_ADDR_LEN
);
5806 return qeth_send_ipa_cmd(card
, iob
, reply_cb
, NULL
);
5810 qeth_layer2_send_setgroupmac_cb(struct qeth_card
*card
,
5811 struct qeth_reply
*reply
,
5814 struct qeth_ipa_cmd
*cmd
;
5817 QETH_DBF_TEXT(trace
, 2, "L2Sgmacb");
5818 cmd
= (struct qeth_ipa_cmd
*) data
;
5819 mac
= &cmd
->data
.setdelmac
.mac
[0];
5820 /* MAC already registered, needed in couple/uncouple case */
5821 if (cmd
->hdr
.return_code
== 0x2005) {
5822 PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
5823 "already existing on %s \n",
5824 mac
[0], mac
[1], mac
[2], mac
[3], mac
[4], mac
[5],
5825 QETH_CARD_IFNAME(card
));
5826 cmd
->hdr
.return_code
= 0;
5828 if (cmd
->hdr
.return_code
)
5829 PRINT_ERR("Could not set group MAC " \
5830 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5831 mac
[0], mac
[1], mac
[2], mac
[3], mac
[4], mac
[5],
5832 QETH_CARD_IFNAME(card
),cmd
->hdr
.return_code
);
5837 qeth_layer2_send_setgroupmac(struct qeth_card
*card
, __u8
*mac
)
5839 QETH_DBF_TEXT(trace
, 2, "L2Sgmac");
5840 return qeth_layer2_send_setdelmac(card
, mac
, IPA_CMD_SETGMAC
,
5841 qeth_layer2_send_setgroupmac_cb
);
5845 qeth_layer2_send_delgroupmac_cb(struct qeth_card
*card
,
5846 struct qeth_reply
*reply
,
5849 struct qeth_ipa_cmd
*cmd
;
5852 QETH_DBF_TEXT(trace
, 2, "L2Dgmacb");
5853 cmd
= (struct qeth_ipa_cmd
*) data
;
5854 mac
= &cmd
->data
.setdelmac
.mac
[0];
5855 if (cmd
->hdr
.return_code
)
5856 PRINT_ERR("Could not delete group MAC " \
5857 "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
5858 mac
[0], mac
[1], mac
[2], mac
[3], mac
[4], mac
[5],
5859 QETH_CARD_IFNAME(card
), cmd
->hdr
.return_code
);
5864 qeth_layer2_send_delgroupmac(struct qeth_card
*card
, __u8
*mac
)
5866 QETH_DBF_TEXT(trace
, 2, "L2Dgmac");
5867 return qeth_layer2_send_setdelmac(card
, mac
, IPA_CMD_DELGMAC
,
5868 qeth_layer2_send_delgroupmac_cb
);
5872 qeth_layer2_send_setmac_cb(struct qeth_card
*card
,
5873 struct qeth_reply
*reply
,
5876 struct qeth_ipa_cmd
*cmd
;
5878 QETH_DBF_TEXT(trace
, 2, "L2Smaccb");
5879 cmd
= (struct qeth_ipa_cmd
*) data
;
5880 if (cmd
->hdr
.return_code
) {
5881 QETH_DBF_TEXT_(trace
, 2, "L2er%x", cmd
->hdr
.return_code
);
5882 PRINT_WARN("Error in registering MAC address on " \
5883 "device %s: x%x\n", CARD_BUS_ID(card
),
5884 cmd
->hdr
.return_code
);
5885 card
->info
.mac_bits
&= ~QETH_LAYER2_MAC_REGISTERED
;
5886 cmd
->hdr
.return_code
= -EIO
;
5888 card
->info
.mac_bits
|= QETH_LAYER2_MAC_REGISTERED
;
5889 memcpy(card
->dev
->dev_addr
,cmd
->data
.setdelmac
.mac
,
5891 PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
5892 "successfully registered on device %s\n",
5893 card
->dev
->dev_addr
[0], card
->dev
->dev_addr
[1],
5894 card
->dev
->dev_addr
[2], card
->dev
->dev_addr
[3],
5895 card
->dev
->dev_addr
[4], card
->dev
->dev_addr
[5],
5902 qeth_layer2_send_setmac(struct qeth_card
*card
, __u8
*mac
)
5904 QETH_DBF_TEXT(trace
, 2, "L2Setmac");
5905 return qeth_layer2_send_setdelmac(card
, mac
, IPA_CMD_SETVMAC
,
5906 qeth_layer2_send_setmac_cb
);
5910 qeth_layer2_send_delmac_cb(struct qeth_card
*card
,
5911 struct qeth_reply
*reply
,
5914 struct qeth_ipa_cmd
*cmd
;
5916 QETH_DBF_TEXT(trace
, 2, "L2Dmaccb");
5917 cmd
= (struct qeth_ipa_cmd
*) data
;
5918 if (cmd
->hdr
.return_code
) {
5919 PRINT_WARN("Error in deregistering MAC address on " \
5920 "device %s: x%x\n", CARD_BUS_ID(card
),
5921 cmd
->hdr
.return_code
);
5922 QETH_DBF_TEXT_(trace
, 2, "err%d", cmd
->hdr
.return_code
);
5923 cmd
->hdr
.return_code
= -EIO
;
5926 card
->info
.mac_bits
&= ~QETH_LAYER2_MAC_REGISTERED
;
5931 qeth_layer2_send_delmac(struct qeth_card
*card
, __u8
*mac
)
5933 QETH_DBF_TEXT(trace
, 2, "L2Delmac");
5934 if (!(card
->info
.mac_bits
& QETH_LAYER2_MAC_REGISTERED
))
5936 return qeth_layer2_send_setdelmac(card
, mac
, IPA_CMD_DELVMAC
,
5937 qeth_layer2_send_delmac_cb
);
5941 qeth_layer2_set_mac_address(struct net_device
*dev
, void *p
)
5943 struct sockaddr
*addr
= p
;
5944 struct qeth_card
*card
;
5947 QETH_DBF_TEXT(trace
, 3, "setmac");
5949 if (qeth_verify_dev(dev
) != QETH_REAL_CARD
) {
5950 QETH_DBF_TEXT(trace
, 3, "setmcINV");
5953 card
= (struct qeth_card
*) dev
->priv
;
5955 if (!card
->options
.layer2
) {
5956 PRINT_WARN("Setting MAC address on %s is not supported "
5957 "in Layer 3 mode.\n", dev
->name
);
5958 QETH_DBF_TEXT(trace
, 3, "setmcLY3");
5961 if (card
->info
.type
== QETH_CARD_TYPE_OSN
) {
5962 PRINT_WARN("Setting MAC address on %s is not supported.\n",
5964 QETH_DBF_TEXT(trace
, 3, "setmcOSN");
5967 QETH_DBF_TEXT_(trace
, 3, "%s", CARD_BUS_ID(card
));
5968 QETH_DBF_HEX(trace
, 3, addr
->sa_data
, OSA_ADDR_LEN
);
5969 rc
= qeth_layer2_send_delmac(card
, &card
->dev
->dev_addr
[0]);
5971 rc
= qeth_layer2_send_setmac(card
, addr
->sa_data
);
5976 qeth_fill_ipacmd_header(struct qeth_card
*card
, struct qeth_ipa_cmd
*cmd
,
5977 __u8 command
, enum qeth_prot_versions prot
)
5979 memset(cmd
, 0, sizeof (struct qeth_ipa_cmd
));
5980 cmd
->hdr
.command
= command
;
5981 cmd
->hdr
.initiator
= IPA_CMD_INITIATOR_HOST
;
5982 cmd
->hdr
.seqno
= card
->seqno
.ipa
;
5983 cmd
->hdr
.adapter_type
= qeth_get_ipa_adp_type(card
->info
.link_type
);
5984 cmd
->hdr
.rel_adapter_no
= (__u8
) card
->info
.portno
;
5985 if (card
->options
.layer2
)
5986 cmd
->hdr
.prim_version_no
= 2;
5988 cmd
->hdr
.prim_version_no
= 1;
5989 cmd
->hdr
.param_count
= 1;
5990 cmd
->hdr
.prot_version
= prot
;
5991 cmd
->hdr
.ipa_supported
= 0;
5992 cmd
->hdr
.ipa_enabled
= 0;
5995 static struct qeth_cmd_buffer
*
5996 qeth_get_ipacmd_buffer(struct qeth_card
*card
, enum qeth_ipa_cmds ipacmd
,
5997 enum qeth_prot_versions prot
)
5999 struct qeth_cmd_buffer
*iob
;
6000 struct qeth_ipa_cmd
*cmd
;
6002 iob
= qeth_wait_for_buffer(&card
->write
);
6003 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
6004 qeth_fill_ipacmd_header(card
, cmd
, ipacmd
, prot
);
6010 qeth_send_setdelmc(struct qeth_card
*card
, struct qeth_ipaddr
*addr
, int ipacmd
)
6013 struct qeth_cmd_buffer
*iob
;
6014 struct qeth_ipa_cmd
*cmd
;
6016 QETH_DBF_TEXT(trace
,4,"setdelmc");
6018 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, addr
->proto
);
6019 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
6020 memcpy(&cmd
->data
.setdelipm
.mac
,addr
->mac
, OSA_ADDR_LEN
);
6021 if (addr
->proto
== QETH_PROT_IPV6
)
6022 memcpy(cmd
->data
.setdelipm
.ip6
, &addr
->u
.a6
.addr
,
6023 sizeof(struct in6_addr
));
6025 memcpy(&cmd
->data
.setdelipm
.ip4
, &addr
->u
.a4
.addr
,4);
6027 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
6032 qeth_fill_netmask(u8
*netmask
, unsigned int len
)
6035 for (i
=0;i
<16;i
++) {
6040 netmask
[i
] = (u8
)(0xFF00>>j
);
6047 qeth_send_setdelip(struct qeth_card
*card
, struct qeth_ipaddr
*addr
,
6048 int ipacmd
, unsigned int flags
)
6051 struct qeth_cmd_buffer
*iob
;
6052 struct qeth_ipa_cmd
*cmd
;
6055 QETH_DBF_TEXT(trace
,4,"setdelip");
6056 QETH_DBF_TEXT_(trace
,4,"flags%02X", flags
);
6058 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, addr
->proto
);
6059 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
6060 if (addr
->proto
== QETH_PROT_IPV6
) {
6061 memcpy(cmd
->data
.setdelip6
.ip_addr
, &addr
->u
.a6
.addr
,
6062 sizeof(struct in6_addr
));
6063 qeth_fill_netmask(netmask
,addr
->u
.a6
.pfxlen
);
6064 memcpy(cmd
->data
.setdelip6
.mask
, netmask
,
6065 sizeof(struct in6_addr
));
6066 cmd
->data
.setdelip6
.flags
= flags
;
6068 memcpy(cmd
->data
.setdelip4
.ip_addr
, &addr
->u
.a4
.addr
, 4);
6069 memcpy(cmd
->data
.setdelip4
.mask
, &addr
->u
.a4
.mask
, 4);
6070 cmd
->data
.setdelip4
.flags
= flags
;
6073 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
6079 qeth_layer2_register_addr_entry(struct qeth_card
*card
,
6080 struct qeth_ipaddr
*addr
)
6082 if (!addr
->is_multicast
)
6084 QETH_DBF_TEXT(trace
, 2, "setgmac");
6085 QETH_DBF_HEX(trace
,3,&addr
->mac
[0],OSA_ADDR_LEN
);
6086 return qeth_layer2_send_setgroupmac(card
, &addr
->mac
[0]);
6090 qeth_layer2_deregister_addr_entry(struct qeth_card
*card
,
6091 struct qeth_ipaddr
*addr
)
6093 if (!addr
->is_multicast
)
6095 QETH_DBF_TEXT(trace
, 2, "delgmac");
6096 QETH_DBF_HEX(trace
,3,&addr
->mac
[0],OSA_ADDR_LEN
);
6097 return qeth_layer2_send_delgroupmac(card
, &addr
->mac
[0]);
6101 qeth_layer3_register_addr_entry(struct qeth_card
*card
,
6102 struct qeth_ipaddr
*addr
)
6108 if (addr
->proto
== QETH_PROT_IPV4
) {
6109 QETH_DBF_TEXT(trace
, 2,"setaddr4");
6110 QETH_DBF_HEX(trace
, 3, &addr
->u
.a4
.addr
, sizeof(int));
6111 } else if (addr
->proto
== QETH_PROT_IPV6
) {
6112 QETH_DBF_TEXT(trace
, 2, "setaddr6");
6113 QETH_DBF_HEX(trace
,3,&addr
->u
.a6
.addr
,8);
6114 QETH_DBF_HEX(trace
,3,((char *)&addr
->u
.a6
.addr
)+8,8);
6116 QETH_DBF_TEXT(trace
, 2, "setaddr?");
6117 QETH_DBF_HEX(trace
, 3, addr
, sizeof(struct qeth_ipaddr
));
6120 if (addr
->is_multicast
)
6121 rc
= qeth_send_setdelmc(card
, addr
, IPA_CMD_SETIPM
);
6123 rc
= qeth_send_setdelip(card
, addr
, IPA_CMD_SETIP
,
6126 QETH_DBF_TEXT(trace
, 2, "failed");
6127 } while ((--cnt
> 0) && rc
);
6129 QETH_DBF_TEXT(trace
, 2, "FAILED");
6130 qeth_ipaddr_to_string(addr
->proto
, (u8
*)&addr
->u
, buf
);
6131 PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n",
6138 qeth_layer3_deregister_addr_entry(struct qeth_card
*card
,
6139 struct qeth_ipaddr
*addr
)
6144 if (addr
->proto
== QETH_PROT_IPV4
) {
6145 QETH_DBF_TEXT(trace
, 2,"deladdr4");
6146 QETH_DBF_HEX(trace
, 3, &addr
->u
.a4
.addr
, sizeof(int));
6147 } else if (addr
->proto
== QETH_PROT_IPV6
) {
6148 QETH_DBF_TEXT(trace
, 2, "deladdr6");
6149 QETH_DBF_HEX(trace
,3,&addr
->u
.a6
.addr
,8);
6150 QETH_DBF_HEX(trace
,3,((char *)&addr
->u
.a6
.addr
)+8,8);
6152 QETH_DBF_TEXT(trace
, 2, "deladdr?");
6153 QETH_DBF_HEX(trace
, 3, addr
, sizeof(struct qeth_ipaddr
));
6155 if (addr
->is_multicast
)
6156 rc
= qeth_send_setdelmc(card
, addr
, IPA_CMD_DELIPM
);
6158 rc
= qeth_send_setdelip(card
, addr
, IPA_CMD_DELIP
,
6161 QETH_DBF_TEXT(trace
, 2, "failed");
6162 /* TODO: re-activate this warning as soon as we have a
6164 qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf);
6165 PRINT_WARN("Could not deregister IP address %s (rc=%x)\n",
6173 qeth_register_addr_entry(struct qeth_card
*card
, struct qeth_ipaddr
*addr
)
6175 if (card
->options
.layer2
)
6176 return qeth_layer2_register_addr_entry(card
, addr
);
6178 return qeth_layer3_register_addr_entry(card
, addr
);
6182 qeth_deregister_addr_entry(struct qeth_card
*card
, struct qeth_ipaddr
*addr
)
6184 if (card
->options
.layer2
)
6185 return qeth_layer2_deregister_addr_entry(card
, addr
);
6187 return qeth_layer3_deregister_addr_entry(card
, addr
);
6191 qeth_ethtool_get_tx_csum(struct net_device
*dev
)
6193 /* We may need to say that we support tx csum offload if
6194 * we do EDDP or TSO. There are discussions going on to
6195 * enforce rules in the stack and in ethtool that make
6196 * SG and TSO depend on HW_CSUM. At the moment there are
6198 * If we say yes here, we have to checksum outbound packets
6204 qeth_ethtool_set_tx_csum(struct net_device
*dev
, u32 data
)
6210 qeth_ethtool_get_rx_csum(struct net_device
*dev
)
6212 struct qeth_card
*card
= (struct qeth_card
*)dev
->priv
;
6214 return (card
->options
.checksum_type
== HW_CHECKSUMMING
);
6218 qeth_ethtool_set_rx_csum(struct net_device
*dev
, u32 data
)
6220 struct qeth_card
*card
= (struct qeth_card
*)dev
->priv
;
6222 if ((card
->state
!= CARD_STATE_DOWN
) &&
6223 (card
->state
!= CARD_STATE_RECOVER
))
6226 card
->options
.checksum_type
= HW_CHECKSUMMING
;
6228 card
->options
.checksum_type
= SW_CHECKSUMMING
;
6233 qeth_ethtool_get_sg(struct net_device
*dev
)
6235 struct qeth_card
*card
= (struct qeth_card
*)dev
->priv
;
6237 return ((card
->options
.large_send
!= QETH_LARGE_SEND_NO
) &&
6238 (dev
->features
& NETIF_F_SG
));
6242 qeth_ethtool_set_sg(struct net_device
*dev
, u32 data
)
6244 struct qeth_card
*card
= (struct qeth_card
*)dev
->priv
;
6247 if (card
->options
.large_send
!= QETH_LARGE_SEND_NO
)
6248 dev
->features
|= NETIF_F_SG
;
6250 dev
->features
&= ~NETIF_F_SG
;
6254 dev
->features
&= ~NETIF_F_SG
;
6259 qeth_ethtool_get_tso(struct net_device
*dev
)
6261 struct qeth_card
*card
= (struct qeth_card
*)dev
->priv
;
6263 return ((card
->options
.large_send
!= QETH_LARGE_SEND_NO
) &&
6264 (dev
->features
& NETIF_F_TSO
));
6268 qeth_ethtool_set_tso(struct net_device
*dev
, u32 data
)
6270 struct qeth_card
*card
= (struct qeth_card
*)dev
->priv
;
6273 if (card
->options
.large_send
!= QETH_LARGE_SEND_NO
)
6274 dev
->features
|= NETIF_F_TSO
;
6276 dev
->features
&= ~NETIF_F_TSO
;
6280 dev
->features
&= ~NETIF_F_TSO
;
6284 static struct ethtool_ops qeth_ethtool_ops
= {
6285 .get_tx_csum
= qeth_ethtool_get_tx_csum
,
6286 .set_tx_csum
= qeth_ethtool_set_tx_csum
,
6287 .get_rx_csum
= qeth_ethtool_get_rx_csum
,
6288 .set_rx_csum
= qeth_ethtool_set_rx_csum
,
6289 .get_sg
= qeth_ethtool_get_sg
,
6290 .set_sg
= qeth_ethtool_set_sg
,
6291 .get_tso
= qeth_ethtool_get_tso
,
6292 .set_tso
= qeth_ethtool_set_tso
,
6296 qeth_hard_header_parse(struct sk_buff
*skb
, unsigned char *haddr
)
6298 struct qeth_card
*card
;
6301 card
= qeth_get_card_from_dev(skb
->dev
);
6302 if (card
->options
.layer2
)
6304 #ifdef CONFIG_QETH_IPV6
6305 /* cause of the manipulated arp constructor and the ARP
6306 flag for OSAE devices we have some nasty exceptions */
6307 if (card
->info
.type
== QETH_CARD_TYPE_OSAE
) {
6308 if (!card
->options
.fake_ll
) {
6309 if ((skb
->pkt_type
==PACKET_OUTGOING
) &&
6310 (skb
->protocol
==ETH_P_IPV6
))
6315 if ((skb
->pkt_type
==PACKET_OUTGOING
) &&
6316 (skb
->protocol
==ETH_P_IP
))
6323 if (!card
->options
.fake_ll
)
6327 memcpy(haddr
, eth
->h_source
, ETH_ALEN
);
6332 qeth_netdev_init(struct net_device
*dev
)
6334 struct qeth_card
*card
;
6336 card
= (struct qeth_card
*) dev
->priv
;
6338 QETH_DBF_TEXT(trace
,3,"initdev");
6340 dev
->tx_timeout
= &qeth_tx_timeout
;
6341 dev
->watchdog_timeo
= QETH_TX_TIMEOUT
;
6342 dev
->open
= qeth_open
;
6343 dev
->stop
= qeth_stop
;
6344 dev
->hard_start_xmit
= qeth_hard_start_xmit
;
6345 dev
->do_ioctl
= qeth_do_ioctl
;
6346 dev
->get_stats
= qeth_get_stats
;
6347 dev
->change_mtu
= qeth_change_mtu
;
6348 dev
->neigh_setup
= qeth_neigh_setup
;
6349 dev
->set_multicast_list
= qeth_set_multicast_list
;
6350 #ifdef CONFIG_QETH_VLAN
6351 dev
->vlan_rx_register
= qeth_vlan_rx_register
;
6352 dev
->vlan_rx_kill_vid
= qeth_vlan_rx_kill_vid
;
6353 dev
->vlan_rx_add_vid
= qeth_vlan_rx_add_vid
;
6355 if (qeth_get_netdev_flags(card
) & IFF_NOARP
) {
6356 dev
->rebuild_header
= NULL
;
6357 dev
->hard_header
= NULL
;
6358 dev
->header_cache_update
= NULL
;
6359 dev
->hard_header_cache
= NULL
;
6361 #ifdef CONFIG_QETH_IPV6
6362 /*IPv6 address autoconfiguration stuff*/
6363 if (!(card
->info
.unique_id
& UNIQUE_ID_NOT_BY_CARD
))
6364 card
->dev
->dev_id
= card
->info
.unique_id
& 0xffff;
6366 if (card
->options
.fake_ll
&&
6367 (qeth_get_netdev_flags(card
) & IFF_NOARP
))
6368 dev
->hard_header
= qeth_fake_header
;
6369 if (dev
->type
== ARPHRD_IEEE802_TR
)
6370 dev
->hard_header_parse
= NULL
;
6372 dev
->hard_header_parse
= qeth_hard_header_parse
;
6373 dev
->set_mac_address
= qeth_layer2_set_mac_address
;
6374 dev
->flags
|= qeth_get_netdev_flags(card
);
6375 if ((card
->options
.fake_broadcast
) ||
6376 (card
->info
.broadcast_capable
))
6377 dev
->flags
|= IFF_BROADCAST
;
6378 dev
->hard_header_len
=
6379 qeth_get_hlen(card
->info
.link_type
) + card
->options
.add_hhlen
;
6380 dev
->addr_len
= OSA_ADDR_LEN
;
6381 dev
->mtu
= card
->info
.initial_mtu
;
6382 if (card
->info
.type
!= QETH_CARD_TYPE_OSN
)
6383 SET_ETHTOOL_OPS(dev
, &qeth_ethtool_ops
);
6384 SET_MODULE_OWNER(dev
);
6389 qeth_init_func_level(struct qeth_card
*card
)
6391 if (card
->ipato
.enabled
) {
6392 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
6393 card
->info
.func_level
=
6394 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT
;
6396 card
->info
.func_level
=
6397 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT
;
6399 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
6400 /*FIXME:why do we have same values for dis and ena for osae??? */
6401 card
->info
.func_level
=
6402 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT
;
6404 card
->info
.func_level
=
6405 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT
;
6410 * hardsetup card, initialize MPC and QDIO stuff
6413 qeth_hardsetup_card(struct qeth_card
*card
)
6418 QETH_DBF_TEXT(setup
, 2, "hrdsetup");
6422 PRINT_WARN("Retrying to do IDX activates.\n");
6423 ccw_device_set_offline(CARD_DDEV(card
));
6424 ccw_device_set_offline(CARD_WDEV(card
));
6425 ccw_device_set_offline(CARD_RDEV(card
));
6426 ccw_device_set_online(CARD_RDEV(card
));
6427 ccw_device_set_online(CARD_WDEV(card
));
6428 ccw_device_set_online(CARD_DDEV(card
));
6430 rc
= qeth_qdio_clear_card(card
,card
->info
.type
!=QETH_CARD_TYPE_IQD
);
6431 if (rc
== -ERESTARTSYS
) {
6432 QETH_DBF_TEXT(setup
, 2, "break1");
6435 QETH_DBF_TEXT_(setup
, 2, "1err%d", rc
);
6441 if ((rc
= qeth_get_unitaddr(card
))){
6442 QETH_DBF_TEXT_(setup
, 2, "2err%d", rc
);
6445 qeth_init_tokens(card
);
6446 qeth_init_func_level(card
);
6447 rc
= qeth_idx_activate_channel(&card
->read
, qeth_idx_read_cb
);
6448 if (rc
== -ERESTARTSYS
) {
6449 QETH_DBF_TEXT(setup
, 2, "break2");
6452 QETH_DBF_TEXT_(setup
, 2, "3err%d", rc
);
6458 rc
= qeth_idx_activate_channel(&card
->write
, qeth_idx_write_cb
);
6459 if (rc
== -ERESTARTSYS
) {
6460 QETH_DBF_TEXT(setup
, 2, "break3");
6463 QETH_DBF_TEXT_(setup
, 2, "4err%d", rc
);
6469 if ((rc
= qeth_mpc_initialize(card
))){
6470 QETH_DBF_TEXT_(setup
, 2, "5err%d", rc
);
6473 /*network device will be recovered*/
6475 card
->dev
->hard_header
= card
->orig_hard_header
;
6476 if (card
->options
.fake_ll
&&
6477 (qeth_get_netdev_flags(card
) & IFF_NOARP
))
6478 card
->dev
->hard_header
= qeth_fake_header
;
6481 /* at first set_online allocate netdev */
6482 card
->dev
= qeth_get_netdevice(card
->info
.type
,
6483 card
->info
.link_type
);
6485 qeth_qdio_clear_card(card
, card
->info
.type
!=
6486 QETH_CARD_TYPE_IQD
);
6488 QETH_DBF_TEXT_(setup
, 2, "6err%d", rc
);
6491 card
->dev
->priv
= card
;
6492 card
->orig_hard_header
= card
->dev
->hard_header
;
6493 card
->dev
->type
= qeth_get_arphdr_type(card
->info
.type
,
6494 card
->info
.link_type
);
6495 card
->dev
->init
= qeth_netdev_init
;
6498 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc
);
6503 qeth_default_setassparms_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
6506 struct qeth_ipa_cmd
*cmd
;
6508 QETH_DBF_TEXT(trace
,4,"defadpcb");
6510 cmd
= (struct qeth_ipa_cmd
*) data
;
6511 if (cmd
->hdr
.return_code
== 0){
6512 cmd
->hdr
.return_code
= cmd
->data
.setassparms
.hdr
.return_code
;
6513 if (cmd
->hdr
.prot_version
== QETH_PROT_IPV4
)
6514 card
->options
.ipa4
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
6515 #ifdef CONFIG_QETH_IPV6
6516 if (cmd
->hdr
.prot_version
== QETH_PROT_IPV6
)
6517 card
->options
.ipa6
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
6520 if (cmd
->data
.setassparms
.hdr
.assist_no
== IPA_INBOUND_CHECKSUM
&&
6521 cmd
->data
.setassparms
.hdr
.command_code
== IPA_CMD_ASS_START
) {
6522 card
->info
.csum_mask
= cmd
->data
.setassparms
.data
.flags_32bit
;
6523 QETH_DBF_TEXT_(trace
, 3, "csum:%d", card
->info
.csum_mask
);
6529 qeth_default_setadapterparms_cb(struct qeth_card
*card
,
6530 struct qeth_reply
*reply
,
6533 struct qeth_ipa_cmd
*cmd
;
6535 QETH_DBF_TEXT(trace
,4,"defadpcb");
6537 cmd
= (struct qeth_ipa_cmd
*) data
;
6538 if (cmd
->hdr
.return_code
== 0)
6539 cmd
->hdr
.return_code
= cmd
->data
.setadapterparms
.hdr
.return_code
;
6546 qeth_query_setadapterparms_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
6549 struct qeth_ipa_cmd
*cmd
;
6551 QETH_DBF_TEXT(trace
,3,"quyadpcb");
6553 cmd
= (struct qeth_ipa_cmd
*) data
;
6554 if (cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
& 0x7f)
6555 card
->info
.link_type
=
6556 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
;
6557 card
->options
.adp
.supported_funcs
=
6558 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.supported_cmds
;
6559 return qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
6563 qeth_query_setadapterparms(struct qeth_card
*card
)
6566 struct qeth_cmd_buffer
*iob
;
6568 QETH_DBF_TEXT(trace
,3,"queryadp");
6569 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_QUERY_COMMANDS_SUPPORTED
,
6570 sizeof(struct qeth_ipacmd_setadpparms
));
6571 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_query_setadapterparms_cb
, NULL
);
6576 qeth_setadpparms_change_macaddr_cb(struct qeth_card
*card
,
6577 struct qeth_reply
*reply
,
6580 struct qeth_ipa_cmd
*cmd
;
6582 QETH_DBF_TEXT(trace
,4,"chgmaccb");
6584 cmd
= (struct qeth_ipa_cmd
*) data
;
6585 if (!card
->options
.layer2
|| card
->info
.guestlan
||
6586 !(card
->info
.mac_bits
& QETH_LAYER2_MAC_READ
)) {
6587 memcpy(card
->dev
->dev_addr
,
6588 &cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
6590 card
->info
.mac_bits
|= QETH_LAYER2_MAC_READ
;
6592 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
6597 qeth_setadpparms_change_macaddr(struct qeth_card
*card
)
6600 struct qeth_cmd_buffer
*iob
;
6601 struct qeth_ipa_cmd
*cmd
;
6603 QETH_DBF_TEXT(trace
,4,"chgmac");
6605 iob
= qeth_get_adapter_cmd(card
,IPA_SETADP_ALTER_MAC_ADDRESS
,
6606 sizeof(struct qeth_ipacmd_setadpparms
));
6607 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
6608 cmd
->data
.setadapterparms
.data
.change_addr
.cmd
= CHANGE_ADDR_READ_MAC
;
6609 cmd
->data
.setadapterparms
.data
.change_addr
.addr_size
= OSA_ADDR_LEN
;
6610 memcpy(&cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
6611 card
->dev
->dev_addr
, OSA_ADDR_LEN
);
6612 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_change_macaddr_cb
,
6618 qeth_send_setadp_mode(struct qeth_card
*card
, __u32 command
, __u32 mode
)
6621 struct qeth_cmd_buffer
*iob
;
6622 struct qeth_ipa_cmd
*cmd
;
6624 QETH_DBF_TEXT(trace
,4,"adpmode");
6626 iob
= qeth_get_adapter_cmd(card
, command
,
6627 sizeof(struct qeth_ipacmd_setadpparms
));
6628 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
6629 cmd
->data
.setadapterparms
.data
.mode
= mode
;
6630 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_default_setadapterparms_cb
,
6636 qeth_setadapter_hstr(struct qeth_card
*card
)
6640 QETH_DBF_TEXT(trace
,4,"adphstr");
6642 if (qeth_adp_supported(card
,IPA_SETADP_SET_BROADCAST_MODE
)) {
6643 rc
= qeth_send_setadp_mode(card
, IPA_SETADP_SET_BROADCAST_MODE
,
6644 card
->options
.broadcast_mode
);
6646 PRINT_WARN("couldn't set broadcast mode on "
6648 CARD_BUS_ID(card
), rc
);
6649 rc
= qeth_send_setadp_mode(card
, IPA_SETADP_ALTER_MAC_ADDRESS
,
6650 card
->options
.macaddr_mode
);
6652 PRINT_WARN("couldn't set macaddr mode on "
6653 "device %s: x%x\n", CARD_BUS_ID(card
), rc
);
6656 if (card
->options
.broadcast_mode
== QETH_TR_BROADCAST_LOCAL
)
6657 PRINT_WARN("set adapter parameters not available "
6658 "to set broadcast mode, using ALLRINGS "
6659 "on device %s:\n", CARD_BUS_ID(card
));
6660 if (card
->options
.macaddr_mode
== QETH_TR_MACADDR_CANONICAL
)
6661 PRINT_WARN("set adapter parameters not available "
6662 "to set macaddr mode, using NONCANONICAL "
6663 "on device %s:\n", CARD_BUS_ID(card
));
6668 qeth_setadapter_parms(struct qeth_card
*card
)
6672 QETH_DBF_TEXT(setup
, 2, "setadprm");
6674 if (!qeth_is_supported(card
, IPA_SETADAPTERPARMS
)){
6675 PRINT_WARN("set adapter parameters not supported "
6678 QETH_DBF_TEXT(setup
, 2, " notsupp");
6681 rc
= qeth_query_setadapterparms(card
);
6683 PRINT_WARN("couldn't set adapter parameters on device %s: "
6684 "x%x\n", CARD_BUS_ID(card
), rc
);
6687 if (qeth_adp_supported(card
,IPA_SETADP_ALTER_MAC_ADDRESS
)) {
6688 rc
= qeth_setadpparms_change_macaddr(card
);
6690 PRINT_WARN("couldn't get MAC address on "
6692 CARD_BUS_ID(card
), rc
);
6695 if ((card
->info
.link_type
== QETH_LINK_TYPE_HSTR
) ||
6696 (card
->info
.link_type
== QETH_LINK_TYPE_LANE_TR
))
6697 rc
= qeth_setadapter_hstr(card
);
6703 qeth_layer2_initialize(struct qeth_card
*card
)
6708 QETH_DBF_TEXT(setup
, 2, "doL2init");
6709 QETH_DBF_TEXT_(setup
, 2, "doL2%s", CARD_BUS_ID(card
));
6711 rc
= qeth_query_setadapterparms(card
);
6713 PRINT_WARN("could not query adapter parameters on device %s: "
6714 "x%x\n", CARD_BUS_ID(card
), rc
);
6717 rc
= qeth_setadpparms_change_macaddr(card
);
6719 PRINT_WARN("couldn't get MAC address on "
6721 CARD_BUS_ID(card
), rc
);
6722 QETH_DBF_TEXT_(setup
, 2,"1err%d",rc
);
6725 QETH_DBF_HEX(setup
,2, card
->dev
->dev_addr
, OSA_ADDR_LEN
);
6727 rc
= qeth_layer2_send_setmac(card
, &card
->dev
->dev_addr
[0]);
6729 QETH_DBF_TEXT_(setup
, 2,"2err%d",rc
);
6735 qeth_send_startstoplan(struct qeth_card
*card
, enum qeth_ipa_cmds ipacmd
,
6736 enum qeth_prot_versions prot
)
6739 struct qeth_cmd_buffer
*iob
;
6741 iob
= qeth_get_ipacmd_buffer(card
,ipacmd
,prot
);
6742 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
6748 qeth_send_startlan(struct qeth_card
*card
, enum qeth_prot_versions prot
)
6752 QETH_DBF_TEXT_(setup
, 2, "strtlan%i", prot
);
6754 rc
= qeth_send_startstoplan(card
, IPA_CMD_STARTLAN
, prot
);
6759 qeth_send_stoplan(struct qeth_card
*card
)
6764 * TODO: according to the IPA format document page 14,
6765 * TCP/IP (we!) never issue a STOPLAN
6768 QETH_DBF_TEXT(trace
, 2, "stoplan");
6770 rc
= qeth_send_startstoplan(card
, IPA_CMD_STOPLAN
, QETH_PROT_IPV4
);
6775 qeth_query_ipassists_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
6778 struct qeth_ipa_cmd
*cmd
;
6780 QETH_DBF_TEXT(setup
, 2, "qipasscb");
6782 cmd
= (struct qeth_ipa_cmd
*) data
;
6783 if (cmd
->hdr
.prot_version
== QETH_PROT_IPV4
) {
6784 card
->options
.ipa4
.supported_funcs
= cmd
->hdr
.ipa_supported
;
6785 card
->options
.ipa4
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
6786 /* Disable IPV6 support hard coded for Hipersockets */
6787 if(card
->info
.type
== QETH_CARD_TYPE_IQD
)
6788 card
->options
.ipa4
.supported_funcs
&= ~IPA_IPV6
;
6790 #ifdef CONFIG_QETH_IPV6
6791 card
->options
.ipa6
.supported_funcs
= cmd
->hdr
.ipa_supported
;
6792 card
->options
.ipa6
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
6795 QETH_DBF_TEXT(setup
, 2, "suppenbl");
6796 QETH_DBF_TEXT_(setup
, 2, "%x",cmd
->hdr
.ipa_supported
);
6797 QETH_DBF_TEXT_(setup
, 2, "%x",cmd
->hdr
.ipa_enabled
);
6802 qeth_query_ipassists(struct qeth_card
*card
, enum qeth_prot_versions prot
)
6805 struct qeth_cmd_buffer
*iob
;
6807 QETH_DBF_TEXT_(setup
, 2, "qipassi%i", prot
);
6808 if (card
->options
.layer2
) {
6809 QETH_DBF_TEXT(setup
, 2, "noprmly2");
6813 iob
= qeth_get_ipacmd_buffer(card
,IPA_CMD_QIPASSIST
,prot
);
6814 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_query_ipassists_cb
, NULL
);
6818 static struct qeth_cmd_buffer
*
6819 qeth_get_setassparms_cmd(struct qeth_card
*card
, enum qeth_ipa_funcs ipa_func
,
6820 __u16 cmd_code
, __u16 len
,
6821 enum qeth_prot_versions prot
)
6823 struct qeth_cmd_buffer
*iob
;
6824 struct qeth_ipa_cmd
*cmd
;
6826 QETH_DBF_TEXT(trace
,4,"getasscm");
6827 iob
= qeth_get_ipacmd_buffer(card
,IPA_CMD_SETASSPARMS
,prot
);
6829 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
6830 cmd
->data
.setassparms
.hdr
.assist_no
= ipa_func
;
6831 cmd
->data
.setassparms
.hdr
.length
= 8 + len
;
6832 cmd
->data
.setassparms
.hdr
.command_code
= cmd_code
;
6833 cmd
->data
.setassparms
.hdr
.return_code
= 0;
6834 cmd
->data
.setassparms
.hdr
.seq_no
= 0;
6840 qeth_send_setassparms(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
6841 __u16 len
, long data
,
6843 (struct qeth_card
*,struct qeth_reply
*,unsigned long),
6847 struct qeth_ipa_cmd
*cmd
;
6849 QETH_DBF_TEXT(trace
,4,"sendassp");
6851 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
6852 if (len
<= sizeof(__u32
))
6853 cmd
->data
.setassparms
.data
.flags_32bit
= (__u32
) data
;
6854 else /* (len > sizeof(__u32)) */
6855 memcpy(&cmd
->data
.setassparms
.data
, (void *) data
, len
);
6857 rc
= qeth_send_ipa_cmd(card
, iob
, reply_cb
, reply_param
);
6861 #ifdef CONFIG_QETH_IPV6
6863 qeth_send_simple_setassparms_ipv6(struct qeth_card
*card
,
6864 enum qeth_ipa_funcs ipa_func
, __u16 cmd_code
)
6868 struct qeth_cmd_buffer
*iob
;
6870 QETH_DBF_TEXT(trace
,4,"simassp6");
6871 iob
= qeth_get_setassparms_cmd(card
, ipa_func
, cmd_code
,
6873 rc
= qeth_send_setassparms(card
, iob
, 0, 0,
6874 qeth_default_setassparms_cb
, NULL
);
6880 qeth_send_simple_setassparms(struct qeth_card
*card
,
6881 enum qeth_ipa_funcs ipa_func
,
6882 __u16 cmd_code
, long data
)
6886 struct qeth_cmd_buffer
*iob
;
6888 QETH_DBF_TEXT(trace
,4,"simassp4");
6890 length
= sizeof(__u32
);
6891 iob
= qeth_get_setassparms_cmd(card
, ipa_func
, cmd_code
,
6892 length
, QETH_PROT_IPV4
);
6893 rc
= qeth_send_setassparms(card
, iob
, length
, data
,
6894 qeth_default_setassparms_cb
, NULL
);
6899 qeth_start_ipa_arp_processing(struct qeth_card
*card
)
6903 QETH_DBF_TEXT(trace
,3,"ipaarp");
6905 if (!qeth_is_supported(card
,IPA_ARP_PROCESSING
)) {
6906 PRINT_WARN("ARP processing not supported "
6907 "on %s!\n", QETH_CARD_IFNAME(card
));
6910 rc
= qeth_send_simple_setassparms(card
,IPA_ARP_PROCESSING
,
6911 IPA_CMD_ASS_START
, 0);
6913 PRINT_WARN("Could not start ARP processing "
6914 "assist on %s: 0x%x\n",
6915 QETH_CARD_IFNAME(card
), rc
);
6921 qeth_start_ipa_ip_fragmentation(struct qeth_card
*card
)
6925 QETH_DBF_TEXT(trace
,3,"ipaipfrg");
6927 if (!qeth_is_supported(card
, IPA_IP_FRAGMENTATION
)) {
6928 PRINT_INFO("Hardware IP fragmentation not supported on %s\n",
6929 QETH_CARD_IFNAME(card
));
6933 rc
= qeth_send_simple_setassparms(card
, IPA_IP_FRAGMENTATION
,
6934 IPA_CMD_ASS_START
, 0);
6936 PRINT_WARN("Could not start Hardware IP fragmentation "
6937 "assist on %s: 0x%x\n",
6938 QETH_CARD_IFNAME(card
), rc
);
6940 PRINT_INFO("Hardware IP fragmentation enabled \n");
6945 qeth_start_ipa_source_mac(struct qeth_card
*card
)
6949 QETH_DBF_TEXT(trace
,3,"stsrcmac");
6951 if (!card
->options
.fake_ll
)
6954 if (!qeth_is_supported(card
, IPA_SOURCE_MAC
)) {
6955 PRINT_INFO("Inbound source address not "
6956 "supported on %s\n", QETH_CARD_IFNAME(card
));
6960 rc
= qeth_send_simple_setassparms(card
, IPA_SOURCE_MAC
,
6961 IPA_CMD_ASS_START
, 0);
6963 PRINT_WARN("Could not start inbound source "
6964 "assist on %s: 0x%x\n",
6965 QETH_CARD_IFNAME(card
), rc
);
6970 qeth_start_ipa_vlan(struct qeth_card
*card
)
6974 QETH_DBF_TEXT(trace
,3,"strtvlan");
6976 #ifdef CONFIG_QETH_VLAN
6977 if (!qeth_is_supported(card
, IPA_FULL_VLAN
)) {
6978 PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card
));
6982 rc
= qeth_send_simple_setassparms(card
, IPA_VLAN_PRIO
,
6983 IPA_CMD_ASS_START
,0);
6985 PRINT_WARN("Could not start vlan "
6986 "assist on %s: 0x%x\n",
6987 QETH_CARD_IFNAME(card
), rc
);
6989 PRINT_INFO("VLAN enabled \n");
6990 card
->dev
->features
|=
6991 NETIF_F_HW_VLAN_FILTER
|
6992 NETIF_F_HW_VLAN_TX
|
6995 #endif /* QETH_VLAN */
7000 qeth_start_ipa_multicast(struct qeth_card
*card
)
7004 QETH_DBF_TEXT(trace
,3,"stmcast");
7006 if (!qeth_is_supported(card
, IPA_MULTICASTING
)) {
7007 PRINT_WARN("Multicast not supported on %s\n",
7008 QETH_CARD_IFNAME(card
));
7012 rc
= qeth_send_simple_setassparms(card
, IPA_MULTICASTING
,
7013 IPA_CMD_ASS_START
,0);
7015 PRINT_WARN("Could not start multicast "
7016 "assist on %s: rc=%i\n",
7017 QETH_CARD_IFNAME(card
), rc
);
7019 PRINT_INFO("Multicast enabled\n");
7020 card
->dev
->flags
|= IFF_MULTICAST
;
7025 #ifdef CONFIG_QETH_IPV6
7027 qeth_softsetup_ipv6(struct qeth_card
*card
)
7031 QETH_DBF_TEXT(trace
,3,"softipv6");
7033 rc
= qeth_send_startlan(card
, QETH_PROT_IPV6
);
7035 PRINT_ERR("IPv6 startlan failed on %s\n",
7036 QETH_CARD_IFNAME(card
));
7039 rc
= qeth_query_ipassists(card
,QETH_PROT_IPV6
);
7041 PRINT_ERR("IPv6 query ipassist failed on %s\n",
7042 QETH_CARD_IFNAME(card
));
7045 rc
= qeth_send_simple_setassparms(card
, IPA_IPV6
,
7046 IPA_CMD_ASS_START
, 3);
7048 PRINT_WARN("IPv6 start assist (version 4) failed "
7050 QETH_CARD_IFNAME(card
), rc
);
7053 rc
= qeth_send_simple_setassparms_ipv6(card
, IPA_IPV6
,
7056 PRINT_WARN("IPV6 start assist (version 6) failed "
7058 QETH_CARD_IFNAME(card
), rc
);
7061 rc
= qeth_send_simple_setassparms_ipv6(card
, IPA_PASSTHRU
,
7064 PRINT_WARN("Could not enable passthrough "
7066 QETH_CARD_IFNAME(card
), rc
);
7069 PRINT_INFO("IPV6 enabled \n");
7076 qeth_start_ipa_ipv6(struct qeth_card
*card
)
7079 #ifdef CONFIG_QETH_IPV6
7080 QETH_DBF_TEXT(trace
,3,"strtipv6");
7082 if (!qeth_is_supported(card
, IPA_IPV6
)) {
7083 PRINT_WARN("IPv6 not supported on %s\n",
7084 QETH_CARD_IFNAME(card
));
7087 rc
= qeth_softsetup_ipv6(card
);
7093 qeth_start_ipa_broadcast(struct qeth_card
*card
)
7097 QETH_DBF_TEXT(trace
,3,"stbrdcst");
7098 card
->info
.broadcast_capable
= 0;
7099 if (!qeth_is_supported(card
, IPA_FILTERING
)) {
7100 PRINT_WARN("Broadcast not supported on %s\n",
7101 QETH_CARD_IFNAME(card
));
7105 rc
= qeth_send_simple_setassparms(card
, IPA_FILTERING
,
7106 IPA_CMD_ASS_START
, 0);
7108 PRINT_WARN("Could not enable broadcasting filtering "
7110 QETH_CARD_IFNAME(card
), rc
);
7114 rc
= qeth_send_simple_setassparms(card
, IPA_FILTERING
,
7115 IPA_CMD_ASS_CONFIGURE
, 1);
7117 PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n",
7118 QETH_CARD_IFNAME(card
), rc
);
7121 card
->info
.broadcast_capable
= QETH_BROADCAST_WITH_ECHO
;
7122 PRINT_INFO("Broadcast enabled \n");
7123 rc
= qeth_send_simple_setassparms(card
, IPA_FILTERING
,
7124 IPA_CMD_ASS_ENABLE
, 1);
7126 PRINT_WARN("Could not set up broadcast echo filtering on "
7127 "%s: 0x%x\n", QETH_CARD_IFNAME(card
), rc
);
7130 card
->info
.broadcast_capable
= QETH_BROADCAST_WITHOUT_ECHO
;
7132 if (card
->info
.broadcast_capable
)
7133 card
->dev
->flags
|= IFF_BROADCAST
;
7135 card
->dev
->flags
&= ~IFF_BROADCAST
;
7140 qeth_send_checksum_command(struct qeth_card
*card
)
7144 rc
= qeth_send_simple_setassparms(card
, IPA_INBOUND_CHECKSUM
,
7145 IPA_CMD_ASS_START
, 0);
7147 PRINT_WARN("Starting Inbound HW Checksumming failed on %s: "
7148 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7149 QETH_CARD_IFNAME(card
), rc
);
7152 rc
= qeth_send_simple_setassparms(card
, IPA_INBOUND_CHECKSUM
,
7154 card
->info
.csum_mask
);
7156 PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: "
7157 "0x%x,\ncontinuing using Inbound SW Checksumming\n",
7158 QETH_CARD_IFNAME(card
), rc
);
7165 qeth_start_ipa_checksum(struct qeth_card
*card
)
7169 QETH_DBF_TEXT(trace
,3,"strtcsum");
7171 if (card
->options
.checksum_type
== NO_CHECKSUMMING
) {
7172 PRINT_WARN("Using no checksumming on %s.\n",
7173 QETH_CARD_IFNAME(card
));
7176 if (card
->options
.checksum_type
== SW_CHECKSUMMING
) {
7177 PRINT_WARN("Using SW checksumming on %s.\n",
7178 QETH_CARD_IFNAME(card
));
7181 if (!qeth_is_supported(card
, IPA_INBOUND_CHECKSUM
)) {
7182 PRINT_WARN("Inbound HW Checksumming not "
7183 "supported on %s,\ncontinuing "
7184 "using Inbound SW Checksumming\n",
7185 QETH_CARD_IFNAME(card
));
7186 card
->options
.checksum_type
= SW_CHECKSUMMING
;
7189 rc
= qeth_send_checksum_command(card
);
7191 PRINT_INFO("HW Checksumming (inbound) enabled \n");
7197 qeth_start_ipa_tso(struct qeth_card
*card
)
7201 QETH_DBF_TEXT(trace
,3,"sttso");
7203 if (!qeth_is_supported(card
, IPA_OUTBOUND_TSO
)) {
7204 PRINT_WARN("Outbound TSO not supported on %s\n",
7205 QETH_CARD_IFNAME(card
));
7208 rc
= qeth_send_simple_setassparms(card
, IPA_OUTBOUND_TSO
,
7209 IPA_CMD_ASS_START
,0);
7211 PRINT_WARN("Could not start outbound TSO "
7212 "assist on %s: rc=%i\n",
7213 QETH_CARD_IFNAME(card
), rc
);
7215 PRINT_INFO("Outbound TSO enabled\n");
7217 if (rc
&& (card
->options
.large_send
== QETH_LARGE_SEND_TSO
)){
7218 card
->options
.large_send
= QETH_LARGE_SEND_NO
;
7219 card
->dev
->features
&= ~ (NETIF_F_TSO
| NETIF_F_SG
);
7225 qeth_start_ipassists(struct qeth_card
*card
)
7227 QETH_DBF_TEXT(trace
,3,"strtipas");
7228 qeth_start_ipa_arp_processing(card
); /* go on*/
7229 qeth_start_ipa_ip_fragmentation(card
); /* go on*/
7230 qeth_start_ipa_source_mac(card
); /* go on*/
7231 qeth_start_ipa_vlan(card
); /* go on*/
7232 qeth_start_ipa_multicast(card
); /* go on*/
7233 qeth_start_ipa_ipv6(card
); /* go on*/
7234 qeth_start_ipa_broadcast(card
); /* go on*/
7235 qeth_start_ipa_checksum(card
); /* go on*/
7236 qeth_start_ipa_tso(card
); /* go on*/
7241 qeth_send_setrouting(struct qeth_card
*card
, enum qeth_routing_types type
,
7242 enum qeth_prot_versions prot
)
7245 struct qeth_ipa_cmd
*cmd
;
7246 struct qeth_cmd_buffer
*iob
;
7248 QETH_DBF_TEXT(trace
,4,"setroutg");
7249 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SETRTG
, prot
);
7250 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
7251 cmd
->data
.setrtg
.type
= (type
);
7252 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
7259 qeth_correct_routing_type(struct qeth_card
*card
, enum qeth_routing_types
*type
,
7260 enum qeth_prot_versions prot
)
7262 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
7265 case PRIMARY_CONNECTOR
:
7266 case SECONDARY_CONNECTOR
:
7267 case MULTICAST_ROUTER
:
7275 case PRIMARY_ROUTER
:
7276 case SECONDARY_ROUTER
:
7278 case MULTICAST_ROUTER
:
7279 if (qeth_is_ipafunc_supported(card
, prot
,
7287 PRINT_WARN("Routing type '%s' not supported for interface %s.\n"
7288 "Router status set to 'no router'.\n",
7289 ((*type
== PRIMARY_ROUTER
)? "primary router" :
7290 (*type
== SECONDARY_ROUTER
)? "secondary router" :
7291 (*type
== PRIMARY_CONNECTOR
)? "primary connector" :
7292 (*type
== SECONDARY_CONNECTOR
)? "secondary connector" :
7293 (*type
== MULTICAST_ROUTER
)? "multicast router" :
7300 qeth_setrouting_v4(struct qeth_card
*card
)
7304 QETH_DBF_TEXT(trace
,3,"setrtg4");
7306 qeth_correct_routing_type(card
, &card
->options
.route4
.type
,
7309 rc
= qeth_send_setrouting(card
, card
->options
.route4
.type
,
7312 card
->options
.route4
.type
= NO_ROUTER
;
7313 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7314 "Type set to 'no router'.\n",
7315 rc
, QETH_CARD_IFNAME(card
));
7321 qeth_setrouting_v6(struct qeth_card
*card
)
7325 QETH_DBF_TEXT(trace
,3,"setrtg6");
7326 #ifdef CONFIG_QETH_IPV6
7328 if (!qeth_is_supported(card
, IPA_IPV6
))
7330 qeth_correct_routing_type(card
, &card
->options
.route6
.type
,
7333 rc
= qeth_send_setrouting(card
, card
->options
.route6
.type
,
7336 card
->options
.route6
.type
= NO_ROUTER
;
7337 PRINT_WARN("Error (0x%04x) while setting routing type on %s. "
7338 "Type set to 'no router'.\n",
7339 rc
, QETH_CARD_IFNAME(card
));
7346 qeth_set_large_send(struct qeth_card
*card
, enum qeth_large_send_types type
)
7350 if (card
->dev
== NULL
) {
7351 card
->options
.large_send
= type
;
7354 if (card
->state
== CARD_STATE_UP
)
7355 netif_tx_disable(card
->dev
);
7356 card
->options
.large_send
= type
;
7357 switch (card
->options
.large_send
) {
7358 case QETH_LARGE_SEND_EDDP
:
7359 card
->dev
->features
|= NETIF_F_TSO
| NETIF_F_SG
;
7361 case QETH_LARGE_SEND_TSO
:
7362 if (qeth_is_supported(card
, IPA_OUTBOUND_TSO
)){
7363 card
->dev
->features
|= NETIF_F_TSO
| NETIF_F_SG
;
7365 PRINT_WARN("TSO not supported on %s. "
7366 "large_send set to 'no'.\n",
7368 card
->dev
->features
&= ~(NETIF_F_TSO
| NETIF_F_SG
);
7369 card
->options
.large_send
= QETH_LARGE_SEND_NO
;
7373 default: /* includes QETH_LARGE_SEND_NO */
7374 card
->dev
->features
&= ~(NETIF_F_TSO
| NETIF_F_SG
);
7377 if (card
->state
== CARD_STATE_UP
)
7378 netif_wake_queue(card
->dev
);
7383 * softsetup card: init IPA stuff
7386 qeth_softsetup_card(struct qeth_card
*card
)
7390 QETH_DBF_TEXT(setup
, 2, "softsetp");
7392 if ((rc
= qeth_send_startlan(card
, QETH_PROT_IPV4
))){
7393 QETH_DBF_TEXT_(setup
, 2, "1err%d", rc
);
7395 PRINT_WARN("LAN on card %s if offline! "
7396 "Continuing softsetup.\n",
7398 card
->lan_online
= 0;
7402 card
->lan_online
= 1;
7403 if (card
->info
.type
==QETH_CARD_TYPE_OSN
)
7405 qeth_set_large_send(card
, card
->options
.large_send
);
7406 if (card
->options
.layer2
) {
7407 card
->dev
->features
|=
7408 NETIF_F_HW_VLAN_FILTER
|
7409 NETIF_F_HW_VLAN_TX
|
7411 card
->dev
->flags
|=IFF_MULTICAST
|IFF_BROADCAST
;
7412 card
->info
.broadcast_capable
=1;
7413 if ((rc
= qeth_layer2_initialize(card
))) {
7414 QETH_DBF_TEXT_(setup
, 2, "L2err%d", rc
);
7417 #ifdef CONFIG_QETH_VLAN
7418 qeth_layer2_process_vlans(card
, 0);
7422 if ((rc
= qeth_setadapter_parms(card
)))
7423 QETH_DBF_TEXT_(setup
, 2, "2err%d", rc
);
7424 if ((rc
= qeth_start_ipassists(card
)))
7425 QETH_DBF_TEXT_(setup
, 2, "3err%d", rc
);
7426 if ((rc
= qeth_setrouting_v4(card
)))
7427 QETH_DBF_TEXT_(setup
, 2, "4err%d", rc
);
7428 if ((rc
= qeth_setrouting_v6(card
)))
7429 QETH_DBF_TEXT_(setup
, 2, "5err%d", rc
);
7431 netif_tx_disable(card
->dev
);
7435 #ifdef CONFIG_QETH_IPV6
7437 qeth_get_unique_id_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
7440 struct qeth_ipa_cmd
*cmd
;
7442 cmd
= (struct qeth_ipa_cmd
*) data
;
7443 if (cmd
->hdr
.return_code
== 0)
7444 card
->info
.unique_id
= *((__u16
*)
7445 &cmd
->data
.create_destroy_addr
.unique_id
[6]);
7447 card
->info
.unique_id
= UNIQUE_ID_IF_CREATE_ADDR_FAILED
|
7448 UNIQUE_ID_NOT_BY_CARD
;
7449 PRINT_WARN("couldn't get a unique id from the card on device "
7450 "%s (result=x%x), using default id. ipv6 "
7451 "autoconfig on other lpars may lead to duplicate "
7452 "ip addresses. please use manually "
7453 "configured ones.\n",
7454 CARD_BUS_ID(card
), cmd
->hdr
.return_code
);
7461 qeth_put_unique_id(struct qeth_card
*card
)
7465 #ifdef CONFIG_QETH_IPV6
7466 struct qeth_cmd_buffer
*iob
;
7467 struct qeth_ipa_cmd
*cmd
;
7469 QETH_DBF_TEXT(trace
,2,"puniqeid");
7471 if ((card
->info
.unique_id
& UNIQUE_ID_NOT_BY_CARD
) ==
7472 UNIQUE_ID_NOT_BY_CARD
)
7474 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_DESTROY_ADDR
,
7476 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
7477 *((__u16
*) &cmd
->data
.create_destroy_addr
.unique_id
[6]) =
7478 card
->info
.unique_id
;
7479 memcpy(&cmd
->data
.create_destroy_addr
.unique_id
[0],
7480 card
->dev
->dev_addr
, OSA_ADDR_LEN
);
7481 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
7483 card
->info
.unique_id
= UNIQUE_ID_IF_CREATE_ADDR_FAILED
|
7484 UNIQUE_ID_NOT_BY_CARD
;
7493 qeth_clear_ip_list(struct qeth_card
*card
, int clean
, int recover
)
7495 struct qeth_ipaddr
*addr
, *tmp
;
7496 unsigned long flags
;
7498 QETH_DBF_TEXT(trace
,4,"clearip");
7499 spin_lock_irqsave(&card
->ip_lock
, flags
);
7500 /* clear todo list */
7501 list_for_each_entry_safe(addr
, tmp
, card
->ip_tbd_list
, entry
){
7502 list_del(&addr
->entry
);
7506 while (!list_empty(&card
->ip_list
)) {
7507 addr
= list_entry(card
->ip_list
.next
,
7508 struct qeth_ipaddr
, entry
);
7509 list_del_init(&addr
->entry
);
7511 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
7512 qeth_deregister_addr_entry(card
, addr
);
7513 spin_lock_irqsave(&card
->ip_lock
, flags
);
7515 if (!recover
|| addr
->is_multicast
) {
7519 list_add_tail(&addr
->entry
, card
->ip_tbd_list
);
7521 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
7525 qeth_set_allowed_threads(struct qeth_card
*card
, unsigned long threads
,
7526 int clear_start_mask
)
7528 unsigned long flags
;
7530 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
7531 card
->thread_allowed_mask
= threads
;
7532 if (clear_start_mask
)
7533 card
->thread_start_mask
&= threads
;
7534 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
7535 wake_up(&card
->wait_q
);
7539 qeth_threads_running(struct qeth_card
*card
, unsigned long threads
)
7541 unsigned long flags
;
7544 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
7545 rc
= (card
->thread_running_mask
& threads
);
7546 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
7551 qeth_wait_for_threads(struct qeth_card
*card
, unsigned long threads
)
7553 return wait_event_interruptible(card
->wait_q
,
7554 qeth_threads_running(card
, threads
) == 0);
7558 qeth_stop_card(struct qeth_card
*card
, int recovery_mode
)
7562 QETH_DBF_TEXT(setup
,2,"stopcard");
7563 QETH_DBF_HEX(setup
, 2, &card
, sizeof(void *));
7565 qeth_set_allowed_threads(card
, 0, 1);
7566 if (qeth_wait_for_threads(card
, ~QETH_RECOVER_THREAD
))
7567 return -ERESTARTSYS
;
7568 if (card
->read
.state
== CH_STATE_UP
&&
7569 card
->write
.state
== CH_STATE_UP
&&
7570 (card
->state
== CARD_STATE_UP
)) {
7571 if (recovery_mode
&&
7572 card
->info
.type
!= QETH_CARD_TYPE_OSN
) {
7573 qeth_stop(card
->dev
);
7576 dev_close(card
->dev
);
7579 if (!card
->use_hard_stop
) {
7580 __u8
*mac
= &card
->dev
->dev_addr
[0];
7581 rc
= qeth_layer2_send_delmac(card
, mac
);
7582 QETH_DBF_TEXT_(setup
, 2, "Lerr%d", rc
);
7583 if ((rc
= qeth_send_stoplan(card
)))
7584 QETH_DBF_TEXT_(setup
, 2, "1err%d", rc
);
7586 card
->state
= CARD_STATE_SOFTSETUP
;
7588 if (card
->state
== CARD_STATE_SOFTSETUP
) {
7589 #ifdef CONFIG_QETH_VLAN
7590 if (card
->options
.layer2
)
7591 qeth_layer2_process_vlans(card
, 1);
7593 qeth_clear_ip_list(card
, !card
->use_hard_stop
, 1);
7594 qeth_clear_ipacmd_list(card
);
7595 card
->state
= CARD_STATE_HARDSETUP
;
7597 if (card
->state
== CARD_STATE_HARDSETUP
) {
7598 if ((!card
->use_hard_stop
) &&
7599 (!card
->options
.layer2
))
7600 if ((rc
= qeth_put_unique_id(card
)))
7601 QETH_DBF_TEXT_(setup
, 2, "2err%d", rc
);
7602 qeth_qdio_clear_card(card
, 0);
7603 qeth_clear_qdio_buffers(card
);
7604 qeth_clear_working_pool_list(card
);
7605 card
->state
= CARD_STATE_DOWN
;
7607 if (card
->state
== CARD_STATE_DOWN
) {
7608 qeth_clear_cmd_buffers(&card
->read
);
7609 qeth_clear_cmd_buffers(&card
->write
);
7611 card
->use_hard_stop
= 0;
7617 qeth_get_unique_id(struct qeth_card
*card
)
7620 #ifdef CONFIG_QETH_IPV6
7621 struct qeth_cmd_buffer
*iob
;
7622 struct qeth_ipa_cmd
*cmd
;
7624 QETH_DBF_TEXT(setup
, 2, "guniqeid");
7626 if (!qeth_is_supported(card
,IPA_IPV6
)) {
7627 card
->info
.unique_id
= UNIQUE_ID_IF_CREATE_ADDR_FAILED
|
7628 UNIQUE_ID_NOT_BY_CARD
;
7632 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_CREATE_ADDR
,
7634 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
7635 *((__u16
*) &cmd
->data
.create_destroy_addr
.unique_id
[6]) =
7636 card
->info
.unique_id
;
7638 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_get_unique_id_cb
, NULL
);
7640 card
->info
.unique_id
= UNIQUE_ID_IF_CREATE_ADDR_FAILED
|
7641 UNIQUE_ID_NOT_BY_CARD
;
7646 qeth_print_status_with_portname(struct qeth_card
*card
)
7651 sprintf(dbf_text
, "%s", card
->info
.portname
+ 1);
7652 for (i
= 0; i
< 8; i
++)
7654 (char) _ebcasc
[(__u8
) dbf_text
[i
]];
7656 printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n"
7657 "with link type %s (portname: %s)\n",
7661 qeth_get_cardname(card
),
7662 (card
->info
.mcl_level
[0]) ? " (level: " : "",
7663 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
7664 (card
->info
.mcl_level
[0]) ? ")" : "",
7665 qeth_get_cardname_short(card
),
7671 qeth_print_status_no_portname(struct qeth_card
*card
)
7673 if (card
->info
.portname
[0])
7674 printk("qeth: Device %s/%s/%s is a%s "
7675 "card%s%s%s\nwith link type %s "
7676 "(no portname needed by interface).\n",
7680 qeth_get_cardname(card
),
7681 (card
->info
.mcl_level
[0]) ? " (level: " : "",
7682 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
7683 (card
->info
.mcl_level
[0]) ? ")" : "",
7684 qeth_get_cardname_short(card
));
7686 printk("qeth: Device %s/%s/%s is a%s "
7687 "card%s%s%s\nwith link type %s.\n",
7691 qeth_get_cardname(card
),
7692 (card
->info
.mcl_level
[0]) ? " (level: " : "",
7693 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
7694 (card
->info
.mcl_level
[0]) ? ")" : "",
7695 qeth_get_cardname_short(card
));
7699 qeth_print_status_message(struct qeth_card
*card
)
7701 switch (card
->info
.type
) {
7702 case QETH_CARD_TYPE_OSAE
:
7703 /* VM will use a non-zero first character
7704 * to indicate a HiperSockets like reporting
7705 * of the level OSA sets the first character to zero
7707 if (!card
->info
.mcl_level
[0]) {
7708 sprintf(card
->info
.mcl_level
,"%02x%02x",
7709 card
->info
.mcl_level
[2],
7710 card
->info
.mcl_level
[3]);
7712 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
7716 case QETH_CARD_TYPE_IQD
:
7717 card
->info
.mcl_level
[0] = (char) _ebcasc
[(__u8
)
7718 card
->info
.mcl_level
[0]];
7719 card
->info
.mcl_level
[1] = (char) _ebcasc
[(__u8
)
7720 card
->info
.mcl_level
[1]];
7721 card
->info
.mcl_level
[2] = (char) _ebcasc
[(__u8
)
7722 card
->info
.mcl_level
[2]];
7723 card
->info
.mcl_level
[3] = (char) _ebcasc
[(__u8
)
7724 card
->info
.mcl_level
[3]];
7725 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
7728 memset(&card
->info
.mcl_level
[0], 0, QETH_MCL_LENGTH
+ 1);
7730 if (card
->info
.portname_required
)
7731 qeth_print_status_with_portname(card
);
7733 qeth_print_status_no_portname(card
);
7737 qeth_register_netdev(struct qeth_card
*card
)
7739 QETH_DBF_TEXT(setup
, 3, "regnetd");
7740 if (card
->dev
->reg_state
!= NETREG_UNINITIALIZED
)
7743 SET_NETDEV_DEV(card
->dev
, &card
->gdev
->dev
);
7744 return register_netdev(card
->dev
);
7748 qeth_start_again(struct qeth_card
*card
, int recovery_mode
)
7750 QETH_DBF_TEXT(setup
,2, "startag");
7752 if (recovery_mode
&&
7753 card
->info
.type
!= QETH_CARD_TYPE_OSN
) {
7754 qeth_open(card
->dev
);
7757 dev_open(card
->dev
);
7760 /* this also sets saved unicast addresses */
7761 qeth_set_multicast_list(card
->dev
);
7765 /* Layer 2 specific stuff */
7766 #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
7767 if (card->options.option == value) { \
7768 PRINT_ERR("%s not supported with layer 2 " \
7769 "functionality, ignoring option on read" \
7770 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7771 card->options.option = reset_value; \
7773 #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
7774 if (card->options.option != value) { \
7775 PRINT_ERR("%s not supported with layer 2 " \
7776 "functionality, ignoring option on read" \
7777 "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
7778 card->options.option = reset_value; \
7782 static void qeth_make_parameters_consistent(struct qeth_card
*card
)
7785 if (card
->options
.layer2
== 0)
7787 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
7789 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
7790 PRINT_ERR("Device %s does not support layer 2 functionality." \
7791 " Ignoring layer2 option.\n",CARD_BUS_ID(card
));
7792 card
->options
.layer2
= 0;
7795 IGNORE_PARAM_NEQ(route4
.type
, NO_ROUTER
, NO_ROUTER
,
7796 "Routing options are");
7797 #ifdef CONFIG_QETH_IPV6
7798 IGNORE_PARAM_NEQ(route6
.type
, NO_ROUTER
, NO_ROUTER
,
7799 "Routing options are");
7801 IGNORE_PARAM_EQ(checksum_type
, HW_CHECKSUMMING
,
7802 QETH_CHECKSUM_DEFAULT
,
7803 "Checksumming options are");
7804 IGNORE_PARAM_NEQ(broadcast_mode
, QETH_TR_BROADCAST_ALLRINGS
,
7805 QETH_TR_BROADCAST_ALLRINGS
,
7806 "Broadcast mode options are");
7807 IGNORE_PARAM_NEQ(macaddr_mode
, QETH_TR_MACADDR_NONCANONICAL
,
7808 QETH_TR_MACADDR_NONCANONICAL
,
7809 "Canonical MAC addr options are");
7810 IGNORE_PARAM_NEQ(fake_broadcast
, 0, 0,
7811 "Broadcast faking options are");
7812 IGNORE_PARAM_NEQ(add_hhlen
, DEFAULT_ADD_HHLEN
,
7813 DEFAULT_ADD_HHLEN
,"Option add_hhlen is");
7814 IGNORE_PARAM_NEQ(fake_ll
, 0, 0,"Option fake_ll is");
7819 __qeth_set_online(struct ccwgroup_device
*gdev
, int recovery_mode
)
7821 struct qeth_card
*card
= gdev
->dev
.driver_data
;
7823 enum qeth_card_states recover_flag
;
7826 QETH_DBF_TEXT(setup
,2, "setonlin");
7827 QETH_DBF_HEX(setup
, 2, &card
, sizeof(void *));
7829 qeth_set_allowed_threads(card
, QETH_RECOVER_THREAD
, 1);
7830 if (qeth_wait_for_threads(card
, ~QETH_RECOVER_THREAD
)){
7831 PRINT_WARN("set_online of card %s interrupted by user!\n",
7833 return -ERESTARTSYS
;
7836 recover_flag
= card
->state
;
7837 if ((rc
= ccw_device_set_online(CARD_RDEV(card
))) ||
7838 (rc
= ccw_device_set_online(CARD_WDEV(card
))) ||
7839 (rc
= ccw_device_set_online(CARD_DDEV(card
)))){
7840 QETH_DBF_TEXT_(setup
, 2, "1err%d", rc
);
7844 qeth_make_parameters_consistent(card
);
7846 if ((rc
= qeth_hardsetup_card(card
))){
7847 QETH_DBF_TEXT_(setup
, 2, "2err%d", rc
);
7850 card
->state
= CARD_STATE_HARDSETUP
;
7852 if (!(rc
= qeth_query_ipassists(card
,QETH_PROT_IPV4
)))
7853 rc
= qeth_get_unique_id(card
);
7855 if (rc
&& card
->options
.layer2
== 0) {
7856 QETH_DBF_TEXT_(setup
, 2, "3err%d", rc
);
7859 qeth_print_status_message(card
);
7860 if ((rc
= qeth_register_netdev(card
))){
7861 QETH_DBF_TEXT_(setup
, 2, "4err%d", rc
);
7864 if ((rc
= qeth_softsetup_card(card
))){
7865 QETH_DBF_TEXT_(setup
, 2, "5err%d", rc
);
7869 if ((rc
= qeth_init_qdio_queues(card
))){
7870 QETH_DBF_TEXT_(setup
, 2, "6err%d", rc
);
7873 card
->state
= CARD_STATE_SOFTSETUP
;
7874 netif_carrier_on(card
->dev
);
7876 qeth_set_allowed_threads(card
, 0xffffffff, 0);
7877 if (recover_flag
== CARD_STATE_RECOVER
)
7878 qeth_start_again(card
, recovery_mode
);
7879 qeth_notify_processes();
7882 card
->use_hard_stop
= 1;
7883 qeth_stop_card(card
, 0);
7884 ccw_device_set_offline(CARD_DDEV(card
));
7885 ccw_device_set_offline(CARD_WDEV(card
));
7886 ccw_device_set_offline(CARD_RDEV(card
));
7887 if (recover_flag
== CARD_STATE_RECOVER
)
7888 card
->state
= CARD_STATE_RECOVER
;
7890 card
->state
= CARD_STATE_DOWN
;
7895 qeth_set_online(struct ccwgroup_device
*gdev
)
7897 return __qeth_set_online(gdev
, 0);
7900 static struct ccw_device_id qeth_ids
[] = {
7901 {CCW_DEVICE(0x1731, 0x01), .driver_info
= QETH_CARD_TYPE_OSAE
},
7902 {CCW_DEVICE(0x1731, 0x05), .driver_info
= QETH_CARD_TYPE_IQD
},
7903 {CCW_DEVICE(0x1731, 0x06), .driver_info
= QETH_CARD_TYPE_OSN
},
7906 MODULE_DEVICE_TABLE(ccw
, qeth_ids
);
7908 struct device
*qeth_root_dev
= NULL
;
7910 struct ccwgroup_driver qeth_ccwgroup_driver
= {
7911 .owner
= THIS_MODULE
,
7913 .driver_id
= 0xD8C5E3C8,
7914 .probe
= qeth_probe_device
,
7915 .remove
= qeth_remove_device
,
7916 .set_online
= qeth_set_online
,
7917 .set_offline
= qeth_set_offline
,
7920 struct ccw_driver qeth_ccw_driver
= {
7923 .probe
= ccwgroup_probe_ccwdev
,
7924 .remove
= ccwgroup_remove_ccwdev
,
7929 qeth_unregister_dbf_views(void)
7932 debug_unregister(qeth_dbf_setup
);
7934 debug_unregister(qeth_dbf_qerr
);
7936 debug_unregister(qeth_dbf_sense
);
7938 debug_unregister(qeth_dbf_misc
);
7940 debug_unregister(qeth_dbf_data
);
7941 if (qeth_dbf_control
)
7942 debug_unregister(qeth_dbf_control
);
7944 debug_unregister(qeth_dbf_trace
);
7947 qeth_register_dbf_views(void)
7949 qeth_dbf_setup
= debug_register(QETH_DBF_SETUP_NAME
,
7950 QETH_DBF_SETUP_PAGES
,
7951 QETH_DBF_SETUP_NR_AREAS
,
7952 QETH_DBF_SETUP_LEN
);
7953 qeth_dbf_misc
= debug_register(QETH_DBF_MISC_NAME
,
7954 QETH_DBF_MISC_PAGES
,
7955 QETH_DBF_MISC_NR_AREAS
,
7957 qeth_dbf_data
= debug_register(QETH_DBF_DATA_NAME
,
7958 QETH_DBF_DATA_PAGES
,
7959 QETH_DBF_DATA_NR_AREAS
,
7961 qeth_dbf_control
= debug_register(QETH_DBF_CONTROL_NAME
,
7962 QETH_DBF_CONTROL_PAGES
,
7963 QETH_DBF_CONTROL_NR_AREAS
,
7964 QETH_DBF_CONTROL_LEN
);
7965 qeth_dbf_sense
= debug_register(QETH_DBF_SENSE_NAME
,
7966 QETH_DBF_SENSE_PAGES
,
7967 QETH_DBF_SENSE_NR_AREAS
,
7968 QETH_DBF_SENSE_LEN
);
7969 qeth_dbf_qerr
= debug_register(QETH_DBF_QERR_NAME
,
7970 QETH_DBF_QERR_PAGES
,
7971 QETH_DBF_QERR_NR_AREAS
,
7973 qeth_dbf_trace
= debug_register(QETH_DBF_TRACE_NAME
,
7974 QETH_DBF_TRACE_PAGES
,
7975 QETH_DBF_TRACE_NR_AREAS
,
7976 QETH_DBF_TRACE_LEN
);
7978 if ((qeth_dbf_setup
== NULL
) || (qeth_dbf_misc
== NULL
) ||
7979 (qeth_dbf_data
== NULL
) || (qeth_dbf_control
== NULL
) ||
7980 (qeth_dbf_sense
== NULL
) || (qeth_dbf_qerr
== NULL
) ||
7981 (qeth_dbf_trace
== NULL
)) {
7982 qeth_unregister_dbf_views();
7985 debug_register_view(qeth_dbf_setup
, &debug_hex_ascii_view
);
7986 debug_set_level(qeth_dbf_setup
, QETH_DBF_SETUP_LEVEL
);
7988 debug_register_view(qeth_dbf_misc
, &debug_hex_ascii_view
);
7989 debug_set_level(qeth_dbf_misc
, QETH_DBF_MISC_LEVEL
);
7991 debug_register_view(qeth_dbf_data
, &debug_hex_ascii_view
);
7992 debug_set_level(qeth_dbf_data
, QETH_DBF_DATA_LEVEL
);
7994 debug_register_view(qeth_dbf_control
, &debug_hex_ascii_view
);
7995 debug_set_level(qeth_dbf_control
, QETH_DBF_CONTROL_LEVEL
);
7997 debug_register_view(qeth_dbf_sense
, &debug_hex_ascii_view
);
7998 debug_set_level(qeth_dbf_sense
, QETH_DBF_SENSE_LEVEL
);
8000 debug_register_view(qeth_dbf_qerr
, &debug_hex_ascii_view
);
8001 debug_set_level(qeth_dbf_qerr
, QETH_DBF_QERR_LEVEL
);
8003 debug_register_view(qeth_dbf_trace
, &debug_hex_ascii_view
);
8004 debug_set_level(qeth_dbf_trace
, QETH_DBF_TRACE_LEVEL
);
8009 #ifdef CONFIG_QETH_IPV6
8010 extern struct neigh_table arp_tbl
;
8011 static struct neigh_ops
*arp_direct_ops
;
8012 static int (*qeth_old_arp_constructor
) (struct neighbour
*);
8014 static struct neigh_ops arp_direct_ops_template
= {
8017 .error_report
= NULL
,
8018 .output
= dev_queue_xmit
,
8019 .connected_output
= dev_queue_xmit
,
8020 .hh_output
= dev_queue_xmit
,
8021 .queue_xmit
= dev_queue_xmit
8025 qeth_arp_constructor(struct neighbour
*neigh
)
8027 struct net_device
*dev
= neigh
->dev
;
8028 struct in_device
*in_dev
;
8029 struct neigh_parms
*parms
;
8030 struct qeth_card
*card
;
8032 card
= qeth_get_card_from_dev(dev
);
8035 if((card
->options
.layer2
) ||
8036 (card
->dev
->hard_header
== qeth_fake_header
))
8040 in_dev
= __in_dev_get_rcu(dev
);
8041 if (in_dev
== NULL
) {
8046 parms
= in_dev
->arp_parms
;
8047 __neigh_parms_put(neigh
->parms
);
8048 neigh
->parms
= neigh_parms_clone(parms
);
8051 neigh
->type
= inet_addr_type(*(__be32
*) neigh
->primary_key
);
8052 neigh
->nud_state
= NUD_NOARP
;
8053 neigh
->ops
= arp_direct_ops
;
8054 neigh
->output
= neigh
->ops
->queue_xmit
;
8057 return qeth_old_arp_constructor(neigh
);
8059 #endif /*CONFIG_QETH_IPV6*/
8062 * IP address takeover related functions
8065 qeth_clear_ipato_list(struct qeth_card
*card
)
8067 struct qeth_ipato_entry
*ipatoe
, *tmp
;
8068 unsigned long flags
;
8070 spin_lock_irqsave(&card
->ip_lock
, flags
);
8071 list_for_each_entry_safe(ipatoe
, tmp
, &card
->ipato
.entries
, entry
) {
8072 list_del(&ipatoe
->entry
);
8075 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
8079 qeth_add_ipato_entry(struct qeth_card
*card
, struct qeth_ipato_entry
*new)
8081 struct qeth_ipato_entry
*ipatoe
;
8082 unsigned long flags
;
8085 QETH_DBF_TEXT(trace
, 2, "addipato");
8086 spin_lock_irqsave(&card
->ip_lock
, flags
);
8087 list_for_each_entry(ipatoe
, &card
->ipato
.entries
, entry
){
8088 if (ipatoe
->proto
!= new->proto
)
8090 if (!memcmp(ipatoe
->addr
, new->addr
,
8091 (ipatoe
->proto
== QETH_PROT_IPV4
)? 4:16) &&
8092 (ipatoe
->mask_bits
== new->mask_bits
)){
8093 PRINT_WARN("ipato entry already exists!\n");
8099 list_add_tail(&new->entry
, &card
->ipato
.entries
);
8101 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
8106 qeth_del_ipato_entry(struct qeth_card
*card
, enum qeth_prot_versions proto
,
8107 u8
*addr
, int mask_bits
)
8109 struct qeth_ipato_entry
*ipatoe
, *tmp
;
8110 unsigned long flags
;
8112 QETH_DBF_TEXT(trace
, 2, "delipato");
8113 spin_lock_irqsave(&card
->ip_lock
, flags
);
8114 list_for_each_entry_safe(ipatoe
, tmp
, &card
->ipato
.entries
, entry
){
8115 if (ipatoe
->proto
!= proto
)
8117 if (!memcmp(ipatoe
->addr
, addr
,
8118 (proto
== QETH_PROT_IPV4
)? 4:16) &&
8119 (ipatoe
->mask_bits
== mask_bits
)){
8120 list_del(&ipatoe
->entry
);
8124 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
8128 qeth_convert_addr_to_bits(u8
*addr
, u8
*bits
, int len
)
8133 for (i
= 0; i
< len
; ++i
){
8135 for (j
= 7; j
>= 0; --j
){
8136 bits
[i
*8 + j
] = octet
& 1;
8143 qeth_is_addr_covered_by_ipato(struct qeth_card
*card
, struct qeth_ipaddr
*addr
)
8145 struct qeth_ipato_entry
*ipatoe
;
8146 u8 addr_bits
[128] = {0, };
8147 u8 ipatoe_bits
[128] = {0, };
8150 if (!card
->ipato
.enabled
)
8153 qeth_convert_addr_to_bits((u8
*) &addr
->u
, addr_bits
,
8154 (addr
->proto
== QETH_PROT_IPV4
)? 4:16);
8155 list_for_each_entry(ipatoe
, &card
->ipato
.entries
, entry
){
8156 if (addr
->proto
!= ipatoe
->proto
)
8158 qeth_convert_addr_to_bits(ipatoe
->addr
, ipatoe_bits
,
8159 (ipatoe
->proto
==QETH_PROT_IPV4
) ?
8161 if (addr
->proto
== QETH_PROT_IPV4
)
8162 rc
= !memcmp(addr_bits
, ipatoe_bits
,
8163 min(32, ipatoe
->mask_bits
));
8165 rc
= !memcmp(addr_bits
, ipatoe_bits
,
8166 min(128, ipatoe
->mask_bits
));
8171 if ((addr
->proto
== QETH_PROT_IPV4
) && card
->ipato
.invert4
)
8173 else if ((addr
->proto
== QETH_PROT_IPV6
) && card
->ipato
.invert6
)
8180 * VIPA related functions
8183 qeth_add_vipa(struct qeth_card
*card
, enum qeth_prot_versions proto
,
8186 struct qeth_ipaddr
*ipaddr
;
8187 unsigned long flags
;
8190 ipaddr
= qeth_get_addr_buffer(proto
);
8192 if (proto
== QETH_PROT_IPV4
){
8193 QETH_DBF_TEXT(trace
, 2, "addvipa4");
8194 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
8195 ipaddr
->u
.a4
.mask
= 0;
8196 #ifdef CONFIG_QETH_IPV6
8197 } else if (proto
== QETH_PROT_IPV6
){
8198 QETH_DBF_TEXT(trace
, 2, "addvipa6");
8199 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
8200 ipaddr
->u
.a6
.pfxlen
= 0;
8203 ipaddr
->type
= QETH_IP_TYPE_VIPA
;
8204 ipaddr
->set_flags
= QETH_IPA_SETIP_VIPA_FLAG
;
8205 ipaddr
->del_flags
= QETH_IPA_DELIP_VIPA_FLAG
;
8208 spin_lock_irqsave(&card
->ip_lock
, flags
);
8209 if (__qeth_address_exists_in_list(&card
->ip_list
, ipaddr
, 0) ||
8210 __qeth_address_exists_in_list(card
->ip_tbd_list
, ipaddr
, 0))
8212 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
8214 PRINT_WARN("Cannot add VIPA. Address already exists!\n");
8217 if (!qeth_add_ip(card
, ipaddr
))
8219 qeth_set_ip_addr_list(card
);
8224 qeth_del_vipa(struct qeth_card
*card
, enum qeth_prot_versions proto
,
8227 struct qeth_ipaddr
*ipaddr
;
8229 ipaddr
= qeth_get_addr_buffer(proto
);
8231 if (proto
== QETH_PROT_IPV4
){
8232 QETH_DBF_TEXT(trace
, 2, "delvipa4");
8233 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
8234 ipaddr
->u
.a4
.mask
= 0;
8235 #ifdef CONFIG_QETH_IPV6
8236 } else if (proto
== QETH_PROT_IPV6
){
8237 QETH_DBF_TEXT(trace
, 2, "delvipa6");
8238 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
8239 ipaddr
->u
.a6
.pfxlen
= 0;
8242 ipaddr
->type
= QETH_IP_TYPE_VIPA
;
8245 if (!qeth_delete_ip(card
, ipaddr
))
8247 qeth_set_ip_addr_list(card
);
8251 * proxy ARP related functions
8254 qeth_add_rxip(struct qeth_card
*card
, enum qeth_prot_versions proto
,
8257 struct qeth_ipaddr
*ipaddr
;
8258 unsigned long flags
;
8261 ipaddr
= qeth_get_addr_buffer(proto
);
8263 if (proto
== QETH_PROT_IPV4
){
8264 QETH_DBF_TEXT(trace
, 2, "addrxip4");
8265 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
8266 ipaddr
->u
.a4
.mask
= 0;
8267 #ifdef CONFIG_QETH_IPV6
8268 } else if (proto
== QETH_PROT_IPV6
){
8269 QETH_DBF_TEXT(trace
, 2, "addrxip6");
8270 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
8271 ipaddr
->u
.a6
.pfxlen
= 0;
8274 ipaddr
->type
= QETH_IP_TYPE_RXIP
;
8275 ipaddr
->set_flags
= QETH_IPA_SETIP_TAKEOVER_FLAG
;
8276 ipaddr
->del_flags
= 0;
8279 spin_lock_irqsave(&card
->ip_lock
, flags
);
8280 if (__qeth_address_exists_in_list(&card
->ip_list
, ipaddr
, 0) ||
8281 __qeth_address_exists_in_list(card
->ip_tbd_list
, ipaddr
, 0))
8283 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
8285 PRINT_WARN("Cannot add RXIP. Address already exists!\n");
8288 if (!qeth_add_ip(card
, ipaddr
))
8290 qeth_set_ip_addr_list(card
);
8295 qeth_del_rxip(struct qeth_card
*card
, enum qeth_prot_versions proto
,
8298 struct qeth_ipaddr
*ipaddr
;
8300 ipaddr
= qeth_get_addr_buffer(proto
);
8302 if (proto
== QETH_PROT_IPV4
){
8303 QETH_DBF_TEXT(trace
, 2, "addrxip4");
8304 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
8305 ipaddr
->u
.a4
.mask
= 0;
8306 #ifdef CONFIG_QETH_IPV6
8307 } else if (proto
== QETH_PROT_IPV6
){
8308 QETH_DBF_TEXT(trace
, 2, "addrxip6");
8309 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
8310 ipaddr
->u
.a6
.pfxlen
= 0;
8313 ipaddr
->type
= QETH_IP_TYPE_RXIP
;
8316 if (!qeth_delete_ip(card
, ipaddr
))
8318 qeth_set_ip_addr_list(card
);
8325 qeth_ip_event(struct notifier_block
*this,
8326 unsigned long event
,void *ptr
)
8328 struct in_ifaddr
*ifa
= (struct in_ifaddr
*)ptr
;
8329 struct net_device
*dev
=(struct net_device
*) ifa
->ifa_dev
->dev
;
8330 struct qeth_ipaddr
*addr
;
8331 struct qeth_card
*card
;
8333 QETH_DBF_TEXT(trace
,3,"ipevent");
8334 card
= qeth_get_card_from_dev(dev
);
8337 if (card
->options
.layer2
)
8340 addr
= qeth_get_addr_buffer(QETH_PROT_IPV4
);
8342 addr
->u
.a4
.addr
= ifa
->ifa_address
;
8343 addr
->u
.a4
.mask
= ifa
->ifa_mask
;
8344 addr
->type
= QETH_IP_TYPE_NORMAL
;
8350 if (!qeth_add_ip(card
, addr
))
8354 if (!qeth_delete_ip(card
, addr
))
8360 qeth_set_ip_addr_list(card
);
8365 static struct notifier_block qeth_ip_notifier
= {
8370 #ifdef CONFIG_QETH_IPV6
8372 * IPv6 event handler
8375 qeth_ip6_event(struct notifier_block
*this,
8376 unsigned long event
,void *ptr
)
8379 struct inet6_ifaddr
*ifa
= (struct inet6_ifaddr
*)ptr
;
8380 struct net_device
*dev
= (struct net_device
*)ifa
->idev
->dev
;
8381 struct qeth_ipaddr
*addr
;
8382 struct qeth_card
*card
;
8384 QETH_DBF_TEXT(trace
,3,"ip6event");
8386 card
= qeth_get_card_from_dev(dev
);
8389 if (!qeth_is_supported(card
, IPA_IPV6
))
8392 addr
= qeth_get_addr_buffer(QETH_PROT_IPV6
);
8394 memcpy(&addr
->u
.a6
.addr
, &ifa
->addr
, sizeof(struct in6_addr
));
8395 addr
->u
.a6
.pfxlen
= ifa
->prefix_len
;
8396 addr
->type
= QETH_IP_TYPE_NORMAL
;
8402 if (!qeth_add_ip(card
, addr
))
8406 if (!qeth_delete_ip(card
, addr
))
8412 qeth_set_ip_addr_list(card
);
8417 static struct notifier_block qeth_ip6_notifier
= {
8424 __qeth_reboot_event_card(struct device
*dev
, void *data
)
8426 struct qeth_card
*card
;
8428 card
= (struct qeth_card
*) dev
->driver_data
;
8429 qeth_clear_ip_list(card
, 0, 0);
8430 qeth_qdio_clear_card(card
, 0);
8435 qeth_reboot_event(struct notifier_block
*this, unsigned long event
, void *ptr
)
8439 ret
= driver_for_each_device(&qeth_ccwgroup_driver
.driver
, NULL
, NULL
,
8440 __qeth_reboot_event_card
);
8441 return ret
? NOTIFY_BAD
: NOTIFY_DONE
;
8445 static struct notifier_block qeth_reboot_notifier
= {
8451 qeth_register_notifiers(void)
8455 QETH_DBF_TEXT(trace
,5,"regnotif");
8456 if ((r
= register_reboot_notifier(&qeth_reboot_notifier
)))
8458 if ((r
= register_inetaddr_notifier(&qeth_ip_notifier
)))
8460 #ifdef CONFIG_QETH_IPV6
8461 if ((r
= register_inet6addr_notifier(&qeth_ip6_notifier
)))
8466 #ifdef CONFIG_QETH_IPV6
8468 unregister_inetaddr_notifier(&qeth_ip_notifier
);
8471 unregister_reboot_notifier(&qeth_reboot_notifier
);
8476 * unregister all event notifiers
8479 qeth_unregister_notifiers(void)
8482 QETH_DBF_TEXT(trace
,5,"unregnot");
8483 BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier
));
8484 BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier
));
8485 #ifdef CONFIG_QETH_IPV6
8486 BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier
));
8487 #endif /* QETH_IPV6 */
8491 #ifdef CONFIG_QETH_IPV6
8493 qeth_ipv6_init(void)
8495 qeth_old_arp_constructor
= arp_tbl
.constructor
;
8496 write_lock_bh(&arp_tbl
.lock
);
8497 arp_tbl
.constructor
= qeth_arp_constructor
;
8498 write_unlock_bh(&arp_tbl
.lock
);
8500 arp_direct_ops
= (struct neigh_ops
*)
8501 kmalloc(sizeof(struct neigh_ops
), GFP_KERNEL
);
8502 if (!arp_direct_ops
)
8505 memcpy(arp_direct_ops
, &arp_direct_ops_template
,
8506 sizeof(struct neigh_ops
));
8512 qeth_ipv6_uninit(void)
8514 write_lock_bh(&arp_tbl
.lock
);
8515 arp_tbl
.constructor
= qeth_old_arp_constructor
;
8516 write_unlock_bh(&arp_tbl
.lock
);
8517 kfree(arp_direct_ops
);
8519 #endif /* CONFIG_QETH_IPV6 */
8522 qeth_sysfs_unregister(void)
8524 s390_root_dev_unregister(qeth_root_dev
);
8525 qeth_remove_driver_attributes();
8526 ccw_driver_unregister(&qeth_ccw_driver
);
8527 ccwgroup_driver_unregister(&qeth_ccwgroup_driver
);
8531 * register qeth at sysfs
8534 qeth_sysfs_register(void)
8538 rc
= ccwgroup_driver_register(&qeth_ccwgroup_driver
);
8542 rc
= ccw_driver_register(&qeth_ccw_driver
);
8544 goto out_ccw_driver
;
8546 rc
= qeth_create_driver_attributes();
8550 qeth_root_dev
= s390_root_dev_register("qeth");
8551 rc
= IS_ERR(qeth_root_dev
) ? PTR_ERR(qeth_root_dev
) : 0;
8555 qeth_remove_driver_attributes();
8557 ccw_driver_unregister(&qeth_ccw_driver
);
8559 ccwgroup_driver_unregister(&qeth_ccwgroup_driver
);
8572 PRINT_INFO("loading %s\n", version
);
8574 INIT_LIST_HEAD(&qeth_card_list
.list
);
8575 INIT_LIST_HEAD(&qeth_notify_list
);
8576 spin_lock_init(&qeth_notify_lock
);
8577 rwlock_init(&qeth_card_list
.rwlock
);
8579 rc
= qeth_register_dbf_views();
8583 rc
= qeth_sysfs_register();
8587 #ifdef CONFIG_QETH_IPV6
8588 rc
= qeth_ipv6_init();
8590 PRINT_ERR("Out of memory during ipv6 init code = %d\n", rc
);
8593 #endif /* QETH_IPV6 */
8594 rc
= qeth_register_notifiers();
8597 rc
= qeth_create_procfs_entries();
8604 qeth_unregister_notifiers();
8606 #ifdef CONFIG_QETH_IPV6
8609 #endif /* QETH_IPV6 */
8610 qeth_sysfs_unregister();
8612 qeth_unregister_dbf_views();
8614 PRINT_ERR("Initialization failed with code %d\n", rc
);
8619 __exit
qeth_exit(void)
8621 struct qeth_card
*card
, *tmp
;
8622 unsigned long flags
;
8624 QETH_DBF_TEXT(trace
,1, "cleanup.");
8627 * Weed would not need to clean up our devices here, because the
8628 * common device layer calls qeth_remove_device for each device
8629 * as soon as we unregister our driver (done in qeth_sysfs_unregister).
8630 * But we do cleanup here so we can do a "soft" shutdown of our cards.
8631 * qeth_remove_device called by the common device layer would otherwise
8632 * do a "hard" shutdown (card->use_hard_stop is set to one in
8633 * qeth_remove_device).
8636 read_lock_irqsave(&qeth_card_list
.rwlock
, flags
);
8637 list_for_each_entry_safe(card
, tmp
, &qeth_card_list
.list
, list
){
8638 read_unlock_irqrestore(&qeth_card_list
.rwlock
, flags
);
8639 qeth_set_offline(card
->gdev
);
8640 qeth_remove_device(card
->gdev
);
8643 read_unlock_irqrestore(&qeth_card_list
.rwlock
, flags
);
8644 #ifdef CONFIG_QETH_IPV6
8647 qeth_unregister_notifiers();
8648 qeth_remove_procfs_entries();
8649 qeth_sysfs_unregister();
8650 qeth_unregister_dbf_views();
8651 printk("qeth: removed\n");
8654 EXPORT_SYMBOL(qeth_osn_register
);
8655 EXPORT_SYMBOL(qeth_osn_deregister
);
8656 EXPORT_SYMBOL(qeth_osn_assist
);
8657 module_init(qeth_init
);
8658 module_exit(qeth_exit
);
8659 MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>");
8660 MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \
8661 "Copyright 2000,2003 IBM Corporation\n");
8663 MODULE_LICENSE("GPL");