Merge branch 'upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...
[linux-2.6] / drivers / s390 / net / qeth_sys.c
1 /*
2  *
3  * linux/drivers/s390/net/qeth_sys.c
4  *
5  * Linux on zSeries OSA Express and HiperSockets support
6  * This file contains code related to sysfs.
7  *
8  * Copyright 2000,2003 IBM Corporation
9  *
10  * Author(s): Thomas Spatzier <tspat@de.ibm.com>
11  *            Frank Pavlic <fpavlic@de.ibm.com>
12  *
13  */
14 #include <linux/list.h>
15 #include <linux/rwsem.h>
16
17 #include <asm/ebcdic.h>
18
19 #include "qeth.h"
20 #include "qeth_mpc.h"
21 #include "qeth_fs.h"
22
23 /*****************************************************************************/
24 /*                                                                           */
25 /*          /sys-fs stuff UNDER DEVELOPMENT !!!                              */
26 /*                                                                           */
27 /*****************************************************************************/
28 //low/high watermark
29
30 static ssize_t
31 qeth_dev_state_show(struct device *dev, struct device_attribute *attr, char *buf)
32 {
33         struct qeth_card *card = dev->driver_data;
34         if (!card)
35                 return -EINVAL;
36
37         switch (card->state) {
38         case CARD_STATE_DOWN:
39                 return sprintf(buf, "DOWN\n");
40         case CARD_STATE_HARDSETUP:
41                 return sprintf(buf, "HARDSETUP\n");
42         case CARD_STATE_SOFTSETUP:
43                 return sprintf(buf, "SOFTSETUP\n");
44         case CARD_STATE_UP:
45                 if (card->lan_online)
46                 return sprintf(buf, "UP (LAN ONLINE)\n");
47                 else
48                         return sprintf(buf, "UP (LAN OFFLINE)\n");
49         case CARD_STATE_RECOVER:
50                 return sprintf(buf, "RECOVER\n");
51         default:
52                 return sprintf(buf, "UNKNOWN\n");
53         }
54 }
55
56 static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
57
58 static ssize_t
59 qeth_dev_chpid_show(struct device *dev, struct device_attribute *attr, char *buf)
60 {
61         struct qeth_card *card = dev->driver_data;
62         if (!card)
63                 return -EINVAL;
64
65         return sprintf(buf, "%02X\n", card->info.chpid);
66 }
67
68 static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
69
70 static ssize_t
71 qeth_dev_if_name_show(struct device *dev, struct device_attribute *attr, char *buf)
72 {
73         struct qeth_card *card = dev->driver_data;
74         if (!card)
75                 return -EINVAL;
76         return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
77 }
78
79 static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
80
81 static ssize_t
82 qeth_dev_card_type_show(struct device *dev, struct device_attribute *attr, char *buf)
83 {
84         struct qeth_card *card = dev->driver_data;
85         if (!card)
86                 return -EINVAL;
87
88         return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
89 }
90
91 static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
92
93 static ssize_t
94 qeth_dev_portno_show(struct device *dev, struct device_attribute *attr, char *buf)
95 {
96         struct qeth_card *card = dev->driver_data;
97         if (!card)
98                 return -EINVAL;
99
100         return sprintf(buf, "%i\n", card->info.portno);
101 }
102
103 static ssize_t
104 qeth_dev_portno_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
105 {
106         struct qeth_card *card = dev->driver_data;
107         char *tmp;
108         unsigned int portno;
109
110         if (!card)
111                 return -EINVAL;
112
113         if ((card->state != CARD_STATE_DOWN) &&
114             (card->state != CARD_STATE_RECOVER))
115                 return -EPERM;
116
117         portno = simple_strtoul(buf, &tmp, 16);
118         if (portno > MAX_PORTNO){
119                 PRINT_WARN("portno 0x%X is out of range\n", portno);
120                 return -EINVAL;
121         }
122
123         card->info.portno = portno;
124         return count;
125 }
126
127 static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
128
129 static ssize_t
130 qeth_dev_portname_show(struct device *dev, struct device_attribute *attr, char *buf)
131 {
132         struct qeth_card *card = dev->driver_data;
133         char portname[9] = {0, };
134
135         if (!card)
136                 return -EINVAL;
137
138         if (card->info.portname_required) {
139                 memcpy(portname, card->info.portname + 1, 8);
140                 EBCASC(portname, 8);
141                 return sprintf(buf, "%s\n", portname);
142         } else
143                 return sprintf(buf, "no portname required\n");
144 }
145
146 static ssize_t
147 qeth_dev_portname_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
148 {
149         struct qeth_card *card = dev->driver_data;
150         char *tmp;
151         int i;
152
153         if (!card)
154                 return -EINVAL;
155
156         if ((card->state != CARD_STATE_DOWN) &&
157             (card->state != CARD_STATE_RECOVER))
158                 return -EPERM;
159
160         tmp = strsep((char **) &buf, "\n");
161         if ((strlen(tmp) > 8) || (strlen(tmp) == 0))
162                 return -EINVAL;
163
164         card->info.portname[0] = strlen(tmp);
165         /* for beauty reasons */
166         for (i = 1; i < 9; i++)
167                 card->info.portname[i] = ' ';
168         strcpy(card->info.portname + 1, tmp);
169         ASCEBC(card->info.portname + 1, 8);
170
171         return count;
172 }
173
174 static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
175                 qeth_dev_portname_store);
176
177 static ssize_t
178 qeth_dev_checksum_show(struct device *dev, struct device_attribute *attr, char *buf)
179 {
180         struct qeth_card *card = dev->driver_data;
181
182         if (!card)
183                 return -EINVAL;
184
185         return sprintf(buf, "%s checksumming\n", qeth_get_checksum_str(card));
186 }
187
188 static ssize_t
189 qeth_dev_checksum_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
190 {
191         struct qeth_card *card = dev->driver_data;
192         char *tmp;
193
194         if (!card)
195                 return -EINVAL;
196
197         if ((card->state != CARD_STATE_DOWN) &&
198             (card->state != CARD_STATE_RECOVER))
199                 return -EPERM;
200
201         tmp = strsep((char **) &buf, "\n");
202         if (!strcmp(tmp, "sw_checksumming"))
203                 card->options.checksum_type = SW_CHECKSUMMING;
204         else if (!strcmp(tmp, "hw_checksumming"))
205                 card->options.checksum_type = HW_CHECKSUMMING;
206         else if (!strcmp(tmp, "no_checksumming"))
207                 card->options.checksum_type = NO_CHECKSUMMING;
208         else {
209                 PRINT_WARN("Unknown checksumming type '%s'\n", tmp);
210                 return -EINVAL;
211         }
212         return count;
213 }
214
215 static DEVICE_ATTR(checksumming, 0644, qeth_dev_checksum_show,
216                 qeth_dev_checksum_store);
217
218 static ssize_t
219 qeth_dev_prioqing_show(struct device *dev, struct device_attribute *attr, char *buf)
220 {
221         struct qeth_card *card = dev->driver_data;
222
223         if (!card)
224                 return -EINVAL;
225
226         switch (card->qdio.do_prio_queueing) {
227         case QETH_PRIO_Q_ING_PREC:
228                 return sprintf(buf, "%s\n", "by precedence");
229         case QETH_PRIO_Q_ING_TOS:
230                 return sprintf(buf, "%s\n", "by type of service");
231         default:
232                 return sprintf(buf, "always queue %i\n",
233                                card->qdio.default_out_queue);
234         }
235 }
236
237 static ssize_t
238 qeth_dev_prioqing_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
239 {
240         struct qeth_card *card = dev->driver_data;
241         char *tmp;
242
243         if (!card)
244                 return -EINVAL;
245
246         if ((card->state != CARD_STATE_DOWN) &&
247             (card->state != CARD_STATE_RECOVER))
248                 return -EPERM;
249
250         /* check if 1920 devices are supported ,
251          * if though we have to permit priority queueing
252          */
253         if (card->qdio.no_out_queues == 1) {
254                 PRINT_WARN("Priority queueing disabled due "
255                            "to hardware limitations!\n");
256                 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
257                 return -EPERM;
258         }
259
260         tmp = strsep((char **) &buf, "\n");
261         if (!strcmp(tmp, "prio_queueing_prec"))
262                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
263         else if (!strcmp(tmp, "prio_queueing_tos"))
264                 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
265         else if (!strcmp(tmp, "no_prio_queueing:0")) {
266                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
267                 card->qdio.default_out_queue = 0;
268         } else if (!strcmp(tmp, "no_prio_queueing:1")) {
269                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
270                 card->qdio.default_out_queue = 1;
271         } else if (!strcmp(tmp, "no_prio_queueing:2")) {
272                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
273                 card->qdio.default_out_queue = 2;
274         } else if (!strcmp(tmp, "no_prio_queueing:3")) {
275                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
276                 card->qdio.default_out_queue = 3;
277         } else if (!strcmp(tmp, "no_prio_queueing")) {
278                 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
279                 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
280         } else {
281                 PRINT_WARN("Unknown queueing type '%s'\n", tmp);
282                 return -EINVAL;
283         }
284         return count;
285 }
286
287 static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
288                 qeth_dev_prioqing_store);
289
290 static ssize_t
291 qeth_dev_bufcnt_show(struct device *dev, struct device_attribute *attr, char *buf)
292 {
293         struct qeth_card *card = dev->driver_data;
294
295         if (!card)
296                 return -EINVAL;
297
298         return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
299 }
300
301 static ssize_t
302 qeth_dev_bufcnt_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
303 {
304         struct qeth_card *card = dev->driver_data;
305         char *tmp;
306         int cnt, old_cnt;
307         int rc;
308
309         if (!card)
310                 return -EINVAL;
311
312         if ((card->state != CARD_STATE_DOWN) &&
313             (card->state != CARD_STATE_RECOVER))
314                 return -EPERM;
315
316         old_cnt = card->qdio.in_buf_pool.buf_count;
317         cnt = simple_strtoul(buf, &tmp, 10);
318         cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
319                 ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
320         if (old_cnt != cnt) {
321                 if ((rc = qeth_realloc_buffer_pool(card, cnt)))
322                         PRINT_WARN("Error (%d) while setting "
323                                    "buffer count.\n", rc);
324         }
325         return count;
326 }
327
328 static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
329                 qeth_dev_bufcnt_store);
330
331 static inline ssize_t
332 qeth_dev_route_show(struct qeth_card *card, struct qeth_routing_info *route,
333                     char *buf)
334 {
335         switch (route->type) {
336         case PRIMARY_ROUTER:
337                 return sprintf(buf, "%s\n", "primary router");
338         case SECONDARY_ROUTER:
339                 return sprintf(buf, "%s\n", "secondary router");
340         case MULTICAST_ROUTER:
341                 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
342                         return sprintf(buf, "%s\n", "multicast router+");
343                 else
344                         return sprintf(buf, "%s\n", "multicast router");
345         case PRIMARY_CONNECTOR:
346                 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
347                         return sprintf(buf, "%s\n", "primary connector+");
348                 else
349                         return sprintf(buf, "%s\n", "primary connector");
350         case SECONDARY_CONNECTOR:
351                 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
352                         return sprintf(buf, "%s\n", "secondary connector+");
353                 else
354                         return sprintf(buf, "%s\n", "secondary connector");
355         default:
356                 return sprintf(buf, "%s\n", "no");
357         }
358 }
359
360 static ssize_t
361 qeth_dev_route4_show(struct device *dev, struct device_attribute *attr, char *buf)
362 {
363         struct qeth_card *card = dev->driver_data;
364
365         if (!card)
366                 return -EINVAL;
367
368         return qeth_dev_route_show(card, &card->options.route4, buf);
369 }
370
371 static inline ssize_t
372 qeth_dev_route_store(struct qeth_card *card, struct qeth_routing_info *route,
373                 enum qeth_prot_versions prot, const char *buf, size_t count)
374 {
375         enum qeth_routing_types old_route_type = route->type;
376         char *tmp;
377         int rc;
378
379         tmp = strsep((char **) &buf, "\n");
380
381         if (!strcmp(tmp, "no_router")){
382                 route->type = NO_ROUTER;
383         } else if (!strcmp(tmp, "primary_connector")) {
384                 route->type = PRIMARY_CONNECTOR;
385         } else if (!strcmp(tmp, "secondary_connector")) {
386                 route->type = SECONDARY_CONNECTOR;
387         } else if (!strcmp(tmp, "multicast_router")) {
388                 route->type = MULTICAST_ROUTER;
389         } else if (!strcmp(tmp, "primary_router")) {
390                 route->type = PRIMARY_ROUTER;
391         } else if (!strcmp(tmp, "secondary_router")) {
392                 route->type = SECONDARY_ROUTER;
393         } else if (!strcmp(tmp, "multicast_router")) {
394                 route->type = MULTICAST_ROUTER;
395         } else {
396                 PRINT_WARN("Invalid routing type '%s'.\n", tmp);
397                 return -EINVAL;
398         }
399         if (((card->state == CARD_STATE_SOFTSETUP) ||
400              (card->state == CARD_STATE_UP)) &&
401             (old_route_type != route->type)){
402                 if (prot == QETH_PROT_IPV4)
403                         rc = qeth_setrouting_v4(card);
404                 else if (prot == QETH_PROT_IPV6)
405                         rc = qeth_setrouting_v6(card);
406         }
407         return count;
408 }
409
410 static ssize_t
411 qeth_dev_route4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
412 {
413         struct qeth_card *card = dev->driver_data;
414
415         if (!card)
416                 return -EINVAL;
417
418         return qeth_dev_route_store(card, &card->options.route4,
419                                     QETH_PROT_IPV4, buf, count);
420 }
421
422 static DEVICE_ATTR(route4, 0644, qeth_dev_route4_show, qeth_dev_route4_store);
423
424 #ifdef CONFIG_QETH_IPV6
425 static ssize_t
426 qeth_dev_route6_show(struct device *dev, struct device_attribute *attr, char *buf)
427 {
428         struct qeth_card *card = dev->driver_data;
429
430         if (!card)
431                 return -EINVAL;
432
433         if (!qeth_is_supported(card, IPA_IPV6))
434                 return sprintf(buf, "%s\n", "n/a");
435
436         return qeth_dev_route_show(card, &card->options.route6, buf);
437 }
438
439 static ssize_t
440 qeth_dev_route6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
441 {
442         struct qeth_card *card = dev->driver_data;
443
444         if (!card)
445                 return -EINVAL;
446
447         if (!qeth_is_supported(card, IPA_IPV6)){
448                 PRINT_WARN("IPv6 not supported for interface %s.\n"
449                            "Routing status no changed.\n",
450                            QETH_CARD_IFNAME(card));
451                 return -ENOTSUPP;
452         }
453
454         return qeth_dev_route_store(card, &card->options.route6,
455                                     QETH_PROT_IPV6, buf, count);
456 }
457
458 static DEVICE_ATTR(route6, 0644, qeth_dev_route6_show, qeth_dev_route6_store);
459 #endif
460
461 static ssize_t
462 qeth_dev_add_hhlen_show(struct device *dev, struct device_attribute *attr, char *buf)
463 {
464         struct qeth_card *card = dev->driver_data;
465
466         if (!card)
467                 return -EINVAL;
468
469         return sprintf(buf, "%i\n", card->options.add_hhlen);
470 }
471
472 static ssize_t
473 qeth_dev_add_hhlen_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
474 {
475         struct qeth_card *card = dev->driver_data;
476         char *tmp;
477         int i;
478
479         if (!card)
480                 return -EINVAL;
481
482         if ((card->state != CARD_STATE_DOWN) &&
483             (card->state != CARD_STATE_RECOVER))
484                 return -EPERM;
485
486         i = simple_strtoul(buf, &tmp, 10);
487         if ((i < 0) || (i > MAX_ADD_HHLEN)) {
488                 PRINT_WARN("add_hhlen out of range\n");
489                 return -EINVAL;
490         }
491         card->options.add_hhlen = i;
492
493         return count;
494 }
495
496 static DEVICE_ATTR(add_hhlen, 0644, qeth_dev_add_hhlen_show,
497                    qeth_dev_add_hhlen_store);
498
499 static ssize_t
500 qeth_dev_fake_ll_show(struct device *dev, struct device_attribute *attr, char *buf)
501 {
502         struct qeth_card *card = dev->driver_data;
503
504         if (!card)
505                 return -EINVAL;
506
507         return sprintf(buf, "%i\n", card->options.fake_ll? 1:0);
508 }
509
510 static ssize_t
511 qeth_dev_fake_ll_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
512 {
513         struct qeth_card *card = dev->driver_data;
514         char *tmp;
515         int i;
516
517         if (!card)
518                 return -EINVAL;
519
520         if ((card->state != CARD_STATE_DOWN) &&
521             (card->state != CARD_STATE_RECOVER))
522                 return -EPERM;
523
524         i = simple_strtoul(buf, &tmp, 16);
525         if ((i != 0) && (i != 1)) {
526                 PRINT_WARN("fake_ll: write 0 or 1 to this file!\n");
527                 return -EINVAL;
528         }
529         card->options.fake_ll = i;
530         return count;
531 }
532
533 static DEVICE_ATTR(fake_ll, 0644, qeth_dev_fake_ll_show,
534                    qeth_dev_fake_ll_store);
535
536 static ssize_t
537 qeth_dev_fake_broadcast_show(struct device *dev, struct device_attribute *attr, char *buf)
538 {
539         struct qeth_card *card = dev->driver_data;
540
541         if (!card)
542                 return -EINVAL;
543
544         return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
545 }
546
547 static ssize_t
548 qeth_dev_fake_broadcast_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
549 {
550         struct qeth_card *card = dev->driver_data;
551         char *tmp;
552         int i;
553
554         if (!card)
555                 return -EINVAL;
556
557         if ((card->state != CARD_STATE_DOWN) &&
558             (card->state != CARD_STATE_RECOVER))
559                 return -EPERM;
560
561         i = simple_strtoul(buf, &tmp, 16);
562         if ((i == 0) || (i == 1))
563                 card->options.fake_broadcast = i;
564         else {
565                 PRINT_WARN("fake_broadcast: write 0 or 1 to this file!\n");
566                 return -EINVAL;
567         }
568         return count;
569 }
570
571 static DEVICE_ATTR(fake_broadcast, 0644, qeth_dev_fake_broadcast_show,
572                    qeth_dev_fake_broadcast_store);
573
574 static ssize_t
575 qeth_dev_recover_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
576 {
577         struct qeth_card *card = dev->driver_data;
578         char *tmp;
579         int i;
580
581         if (!card)
582                 return -EINVAL;
583
584         if (card->state != CARD_STATE_UP)
585                 return -EPERM;
586
587         i = simple_strtoul(buf, &tmp, 16);
588         if (i == 1)
589                 qeth_schedule_recovery(card);
590
591         return count;
592 }
593
594 static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
595
596 static ssize_t
597 qeth_dev_broadcast_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
598 {
599         struct qeth_card *card = dev->driver_data;
600
601         if (!card)
602                 return -EINVAL;
603
604         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
605               (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
606                 return sprintf(buf, "n/a\n");
607
608         return sprintf(buf, "%s\n", (card->options.broadcast_mode ==
609                                      QETH_TR_BROADCAST_ALLRINGS)?
610                        "all rings":"local");
611 }
612
613 static ssize_t
614 qeth_dev_broadcast_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
615 {
616         struct qeth_card *card = dev->driver_data;
617         char *tmp;
618
619         if (!card)
620                 return -EINVAL;
621
622         if ((card->state != CARD_STATE_DOWN) &&
623             (card->state != CARD_STATE_RECOVER))
624                 return -EPERM;
625
626         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
627               (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
628                 PRINT_WARN("Device is not a tokenring device!\n");
629                 return -EINVAL;
630         }
631
632         tmp = strsep((char **) &buf, "\n");
633
634         if (!strcmp(tmp, "local")){
635                 card->options.broadcast_mode = QETH_TR_BROADCAST_LOCAL;
636                 return count;
637         } else if (!strcmp(tmp, "all_rings")) {
638                 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
639                 return count;
640         } else {
641                 PRINT_WARN("broadcast_mode: invalid mode %s!\n",
642                            tmp);
643                 return -EINVAL;
644         }
645         return count;
646 }
647
648 static DEVICE_ATTR(broadcast_mode, 0644, qeth_dev_broadcast_mode_show,
649                    qeth_dev_broadcast_mode_store);
650
651 static ssize_t
652 qeth_dev_canonical_macaddr_show(struct device *dev, struct device_attribute *attr, char *buf)
653 {
654         struct qeth_card *card = dev->driver_data;
655
656         if (!card)
657                 return -EINVAL;
658
659         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
660               (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
661                 return sprintf(buf, "n/a\n");
662
663         return sprintf(buf, "%i\n", (card->options.macaddr_mode ==
664                                      QETH_TR_MACADDR_CANONICAL)? 1:0);
665 }
666
667 static ssize_t
668 qeth_dev_canonical_macaddr_store(struct device *dev, struct device_attribute *attr, const char *buf,
669                                   size_t count)
670 {
671         struct qeth_card *card = dev->driver_data;
672         char *tmp;
673         int i;
674
675         if (!card)
676                 return -EINVAL;
677
678         if ((card->state != CARD_STATE_DOWN) &&
679             (card->state != CARD_STATE_RECOVER))
680                 return -EPERM;
681
682         if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
683               (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
684                 PRINT_WARN("Device is not a tokenring device!\n");
685                 return -EINVAL;
686         }
687
688         i = simple_strtoul(buf, &tmp, 16);
689         if ((i == 0) || (i == 1))
690                 card->options.macaddr_mode = i?
691                         QETH_TR_MACADDR_CANONICAL :
692                         QETH_TR_MACADDR_NONCANONICAL;
693         else {
694                 PRINT_WARN("canonical_macaddr: write 0 or 1 to this file!\n");
695                 return -EINVAL;
696         }
697         return count;
698 }
699
700 static DEVICE_ATTR(canonical_macaddr, 0644, qeth_dev_canonical_macaddr_show,
701                    qeth_dev_canonical_macaddr_store);
702
703 static ssize_t
704 qeth_dev_layer2_show(struct device *dev, struct device_attribute *attr, char *buf)
705 {
706         struct qeth_card *card = dev->driver_data;
707
708         if (!card)
709                 return -EINVAL;
710
711         return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
712 }
713
714 static ssize_t
715 qeth_dev_layer2_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
716 {
717         struct qeth_card *card = dev->driver_data;
718         char *tmp;
719         int i;
720
721         if (!card)
722                 return -EINVAL;
723         if (card->info.type == QETH_CARD_TYPE_IQD) {
724                 PRINT_WARN("Layer2 on Hipersockets is not supported! \n");
725                 return -EPERM;
726         }
727
728         if (((card->state != CARD_STATE_DOWN) &&
729              (card->state != CARD_STATE_RECOVER)))
730                 return -EPERM;
731
732         i = simple_strtoul(buf, &tmp, 16);
733         if ((i == 0) || (i == 1))
734                 card->options.layer2 = i;
735         else {
736                 PRINT_WARN("layer2: write 0 or 1 to this file!\n");
737                 return -EINVAL;
738         }
739         return count;
740 }
741
742 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
743                    qeth_dev_layer2_store);
744
745 static ssize_t
746 qeth_dev_large_send_show(struct device *dev, struct device_attribute *attr, char *buf)
747 {
748         struct qeth_card *card = dev->driver_data;
749
750         if (!card)
751                 return -EINVAL;
752
753         switch (card->options.large_send) {
754         case QETH_LARGE_SEND_NO:
755                 return sprintf(buf, "%s\n", "no");
756         case QETH_LARGE_SEND_EDDP:
757                 return sprintf(buf, "%s\n", "EDDP");
758         case QETH_LARGE_SEND_TSO:
759                 return sprintf(buf, "%s\n", "TSO");
760         default:
761                 return sprintf(buf, "%s\n", "N/A");
762         }
763 }
764
765 static ssize_t
766 qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
767 {
768         struct qeth_card *card = dev->driver_data;
769         enum qeth_large_send_types type;
770         int rc = 0;
771         char *tmp;
772
773         if (!card)
774                 return -EINVAL;
775         tmp = strsep((char **) &buf, "\n");
776         if (!strcmp(tmp, "no")){
777                 type = QETH_LARGE_SEND_NO;
778         } else if (!strcmp(tmp, "EDDP")) {
779                 type = QETH_LARGE_SEND_EDDP;
780         } else if (!strcmp(tmp, "TSO")) {
781                 type = QETH_LARGE_SEND_TSO;
782         } else {
783                 PRINT_WARN("large_send: invalid mode %s!\n", tmp);
784                 return -EINVAL;
785         }
786         if (card->options.large_send == type)
787                 return count;
788         if ((rc = qeth_set_large_send(card, type)))
789                 return rc;
790         return count;
791 }
792
793 static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show,
794                    qeth_dev_large_send_store);
795
796 static ssize_t
797 qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value )
798 {
799
800         if (!card)
801                 return -EINVAL;
802
803         return sprintf(buf, "%i\n", value);
804 }
805
806 static ssize_t
807 qeth_dev_blkt_store(struct qeth_card *card, const char *buf, size_t count,
808                           int *value, int max_value)
809 {
810         char *tmp;
811         int i;
812
813         if (!card)
814                 return -EINVAL;
815
816         if ((card->state != CARD_STATE_DOWN) &&
817             (card->state != CARD_STATE_RECOVER))
818                 return -EPERM;
819
820         i = simple_strtoul(buf, &tmp, 10);
821         if (i <= max_value) {
822                 *value = i;
823         } else {
824                 PRINT_WARN("blkt total time: write values between"
825                            " 0 and %d to this file!\n", max_value);
826                 return -EINVAL;
827         }
828         return count;
829 }
830
831 static ssize_t
832 qeth_dev_blkt_total_show(struct device *dev, struct device_attribute *attr, char *buf)
833 {
834         struct qeth_card *card = dev->driver_data;
835
836         return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
837 }
838
839
840 static ssize_t
841 qeth_dev_blkt_total_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
842 {
843         struct qeth_card *card = dev->driver_data;
844
845         return qeth_dev_blkt_store(card, buf, count,
846                                    &card->info.blkt.time_total,1000);
847 }
848
849
850
851 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
852                    qeth_dev_blkt_total_store);
853
854 static ssize_t
855 qeth_dev_blkt_inter_show(struct device *dev, struct device_attribute *attr, char *buf)
856 {
857         struct qeth_card *card = dev->driver_data;
858
859         return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
860 }
861
862
863 static ssize_t
864 qeth_dev_blkt_inter_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
865 {
866         struct qeth_card *card = dev->driver_data;
867
868         return qeth_dev_blkt_store(card, buf, count,
869                                    &card->info.blkt.inter_packet,100);
870 }
871
872 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
873                    qeth_dev_blkt_inter_store);
874
875 static ssize_t
876 qeth_dev_blkt_inter_jumbo_show(struct device *dev, struct device_attribute *attr, char *buf)
877 {
878         struct qeth_card *card = dev->driver_data;
879
880         return qeth_dev_blkt_show(buf, card,
881                                   card->info.blkt.inter_packet_jumbo);
882 }
883
884
885 static ssize_t
886 qeth_dev_blkt_inter_jumbo_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
887 {
888         struct qeth_card *card = dev->driver_data;
889
890         return qeth_dev_blkt_store(card, buf, count,
891                                    &card->info.blkt.inter_packet_jumbo,100);
892 }
893
894 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
895                    qeth_dev_blkt_inter_jumbo_store);
896
897 static struct device_attribute * qeth_blkt_device_attrs[] = {
898         &dev_attr_total,
899         &dev_attr_inter,
900         &dev_attr_inter_jumbo,
901         NULL,
902 };
903
904 static struct attribute_group qeth_device_blkt_group = {
905         .name = "blkt",
906         .attrs = (struct attribute **)qeth_blkt_device_attrs,
907 };
908
909 static struct device_attribute * qeth_device_attrs[] = {
910         &dev_attr_state,
911         &dev_attr_chpid,
912         &dev_attr_if_name,
913         &dev_attr_card_type,
914         &dev_attr_portno,
915         &dev_attr_portname,
916         &dev_attr_checksumming,
917         &dev_attr_priority_queueing,
918         &dev_attr_buffer_count,
919         &dev_attr_route4,
920 #ifdef CONFIG_QETH_IPV6
921         &dev_attr_route6,
922 #endif
923         &dev_attr_add_hhlen,
924         &dev_attr_fake_ll,
925         &dev_attr_fake_broadcast,
926         &dev_attr_recover,
927         &dev_attr_broadcast_mode,
928         &dev_attr_canonical_macaddr,
929         &dev_attr_layer2,
930         &dev_attr_large_send,
931         NULL,
932 };
933
934 static struct attribute_group qeth_device_attr_group = {
935         .attrs = (struct attribute **)qeth_device_attrs,
936 };
937
938 static struct device_attribute * qeth_osn_device_attrs[] = {
939         &dev_attr_state,
940         &dev_attr_chpid,
941         &dev_attr_if_name,
942         &dev_attr_card_type,
943         &dev_attr_buffer_count,
944         &dev_attr_recover,
945         NULL,
946 };
947
948 static struct attribute_group qeth_osn_device_attr_group = {
949         .attrs = (struct attribute **)qeth_osn_device_attrs,
950 };
951
952 #define QETH_DEVICE_ATTR(_id,_name,_mode,_show,_store)                       \
953 struct device_attribute dev_attr_##_id = {                                   \
954         .attr = {.name=__stringify(_name), .mode=_mode, .owner=THIS_MODULE },\
955         .show   = _show,                                                     \
956         .store  = _store,                                                    \
957 };
958
959 int
960 qeth_check_layer2(struct qeth_card *card)
961 {
962         if (card->options.layer2)
963                 return -EPERM;
964         return 0;
965 }
966
967
968 static ssize_t
969 qeth_dev_ipato_enable_show(struct device *dev, struct device_attribute *attr, char *buf)
970 {
971         struct qeth_card *card = dev->driver_data;
972
973         if (!card)
974                 return -EINVAL;
975
976         if (qeth_check_layer2(card))
977                 return -EPERM;
978         return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
979 }
980
981 static ssize_t
982 qeth_dev_ipato_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
983 {
984         struct qeth_card *card = dev->driver_data;
985         char *tmp;
986
987         if (!card)
988                 return -EINVAL;
989
990         if ((card->state != CARD_STATE_DOWN) &&
991             (card->state != CARD_STATE_RECOVER))
992                 return -EPERM;
993
994         if (qeth_check_layer2(card))
995                 return -EPERM;
996
997         tmp = strsep((char **) &buf, "\n");
998         if (!strcmp(tmp, "toggle")){
999                 card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
1000         } else if (!strcmp(tmp, "1")){
1001                 card->ipato.enabled = 1;
1002         } else if (!strcmp(tmp, "0")){
1003                 card->ipato.enabled = 0;
1004         } else {
1005                 PRINT_WARN("ipato_enable: write 0, 1 or 'toggle' to "
1006                            "this file\n");
1007                 return -EINVAL;
1008         }
1009         return count;
1010 }
1011
1012 static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
1013                         qeth_dev_ipato_enable_show,
1014                         qeth_dev_ipato_enable_store);
1015
1016 static ssize_t
1017 qeth_dev_ipato_invert4_show(struct device *dev, struct device_attribute *attr, char *buf)
1018 {
1019         struct qeth_card *card = dev->driver_data;
1020
1021         if (!card)
1022                 return -EINVAL;
1023
1024         if (qeth_check_layer2(card))
1025                 return -EPERM;
1026
1027         return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
1028 }
1029
1030 static ssize_t
1031 qeth_dev_ipato_invert4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1032 {
1033         struct qeth_card *card = dev->driver_data;
1034         char *tmp;
1035
1036         if (!card)
1037                 return -EINVAL;
1038
1039         if (qeth_check_layer2(card))
1040                 return -EPERM;
1041
1042         tmp = strsep((char **) &buf, "\n");
1043         if (!strcmp(tmp, "toggle")){
1044                 card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
1045         } else if (!strcmp(tmp, "1")){
1046                 card->ipato.invert4 = 1;
1047         } else if (!strcmp(tmp, "0")){
1048                 card->ipato.invert4 = 0;
1049         } else {
1050                 PRINT_WARN("ipato_invert4: write 0, 1 or 'toggle' to "
1051                            "this file\n");
1052                 return -EINVAL;
1053         }
1054         return count;
1055 }
1056
1057 static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
1058                         qeth_dev_ipato_invert4_show,
1059                         qeth_dev_ipato_invert4_store);
1060
1061 static inline ssize_t
1062 qeth_dev_ipato_add_show(char *buf, struct qeth_card *card,
1063                         enum qeth_prot_versions proto)
1064 {
1065         struct qeth_ipato_entry *ipatoe;
1066         unsigned long flags;
1067         char addr_str[40];
1068         int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1069         int i = 0;
1070
1071         if (qeth_check_layer2(card))
1072                 return -EPERM;
1073
1074         entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1075         /* add strlen for "/<mask>\n" */
1076         entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
1077         spin_lock_irqsave(&card->ip_lock, flags);
1078         list_for_each_entry(ipatoe, &card->ipato.entries, entry){
1079                 if (ipatoe->proto != proto)
1080                         continue;
1081                 /* String must not be longer than PAGE_SIZE. So we check if
1082                  * string length gets near PAGE_SIZE. Then we can savely display
1083                  * the next IPv6 address (worst case, compared to IPv4) */
1084                 if ((PAGE_SIZE - i) <= entry_len)
1085                         break;
1086                 qeth_ipaddr_to_string(proto, ipatoe->addr, addr_str);
1087                 i += snprintf(buf + i, PAGE_SIZE - i,
1088                               "%s/%i\n", addr_str, ipatoe->mask_bits);
1089         }
1090         spin_unlock_irqrestore(&card->ip_lock, flags);
1091         i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1092
1093         return i;
1094 }
1095
1096 static ssize_t
1097 qeth_dev_ipato_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1098 {
1099         struct qeth_card *card = dev->driver_data;
1100
1101         if (!card)
1102                 return -EINVAL;
1103
1104         return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
1105 }
1106
1107 static inline int
1108 qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto,
1109                   u8 *addr, int *mask_bits)
1110 {
1111         const char *start, *end;
1112         char *tmp;
1113         char buffer[49] = {0, };
1114
1115         start = buf;
1116         /* get address string */
1117         end = strchr(start, '/');
1118         if (!end || (end-start >= 49)){
1119                 PRINT_WARN("Invalid format for ipato_addx/delx. "
1120                            "Use <ip addr>/<mask bits>\n");
1121                 return -EINVAL;
1122         }
1123         strncpy(buffer, start, end - start);
1124         if (qeth_string_to_ipaddr(buffer, proto, addr)){
1125                 PRINT_WARN("Invalid IP address format!\n");
1126                 return -EINVAL;
1127         }
1128         start = end + 1;
1129         *mask_bits = simple_strtoul(start, &tmp, 10);
1130
1131         return 0;
1132 }
1133
1134 static inline ssize_t
1135 qeth_dev_ipato_add_store(const char *buf, size_t count,
1136                          struct qeth_card *card, enum qeth_prot_versions proto)
1137 {
1138         struct qeth_ipato_entry *ipatoe;
1139         u8 addr[16];
1140         int mask_bits;
1141         int rc;
1142
1143         if (qeth_check_layer2(card))
1144                 return -EPERM;
1145         if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
1146                 return rc;
1147
1148         if (!(ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL))){
1149                 PRINT_WARN("No memory to allocate ipato entry\n");
1150                 return -ENOMEM;
1151         }
1152         ipatoe->proto = proto;
1153         memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
1154         ipatoe->mask_bits = mask_bits;
1155
1156         if ((rc = qeth_add_ipato_entry(card, ipatoe))){
1157                 kfree(ipatoe);
1158                 return rc;
1159         }
1160
1161         return count;
1162 }
1163
1164 static ssize_t
1165 qeth_dev_ipato_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1166 {
1167         struct qeth_card *card = dev->driver_data;
1168
1169         if (!card)
1170                 return -EINVAL;
1171
1172         return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
1173 }
1174
1175 static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
1176                         qeth_dev_ipato_add4_show,
1177                         qeth_dev_ipato_add4_store);
1178
1179 static inline ssize_t
1180 qeth_dev_ipato_del_store(const char *buf, size_t count,
1181                          struct qeth_card *card, enum qeth_prot_versions proto)
1182 {
1183         u8 addr[16];
1184         int mask_bits;
1185         int rc;
1186
1187         if (qeth_check_layer2(card))
1188                 return -EPERM;
1189         if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
1190                 return rc;
1191
1192         qeth_del_ipato_entry(card, proto, addr, mask_bits);
1193
1194         return count;
1195 }
1196
1197 static ssize_t
1198 qeth_dev_ipato_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1199 {
1200         struct qeth_card *card = dev->driver_data;
1201
1202         if (!card)
1203                 return -EINVAL;
1204
1205         return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
1206 }
1207
1208 static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
1209                         qeth_dev_ipato_del4_store);
1210
1211 #ifdef CONFIG_QETH_IPV6
1212 static ssize_t
1213 qeth_dev_ipato_invert6_show(struct device *dev, struct device_attribute *attr, char *buf)
1214 {
1215         struct qeth_card *card = dev->driver_data;
1216
1217         if (!card)
1218                 return -EINVAL;
1219
1220         if (qeth_check_layer2(card))
1221                 return -EPERM;
1222
1223         return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
1224 }
1225
1226 static ssize_t
1227 qeth_dev_ipato_invert6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1228 {
1229         struct qeth_card *card = dev->driver_data;
1230         char *tmp;
1231
1232         if (!card)
1233                 return -EINVAL;
1234
1235         if (qeth_check_layer2(card))
1236                 return -EPERM;
1237
1238         tmp = strsep((char **) &buf, "\n");
1239         if (!strcmp(tmp, "toggle")){
1240                 card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
1241         } else if (!strcmp(tmp, "1")){
1242                 card->ipato.invert6 = 1;
1243         } else if (!strcmp(tmp, "0")){
1244                 card->ipato.invert6 = 0;
1245         } else {
1246                 PRINT_WARN("ipato_invert6: write 0, 1 or 'toggle' to "
1247                            "this file\n");
1248                 return -EINVAL;
1249         }
1250         return count;
1251 }
1252
1253 static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
1254                         qeth_dev_ipato_invert6_show,
1255                         qeth_dev_ipato_invert6_store);
1256
1257
1258 static ssize_t
1259 qeth_dev_ipato_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1260 {
1261         struct qeth_card *card = dev->driver_data;
1262
1263         if (!card)
1264                 return -EINVAL;
1265
1266         return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
1267 }
1268
1269 static ssize_t
1270 qeth_dev_ipato_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1271 {
1272         struct qeth_card *card = dev->driver_data;
1273
1274         if (!card)
1275                 return -EINVAL;
1276
1277         return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
1278 }
1279
1280 static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
1281                         qeth_dev_ipato_add6_show,
1282                         qeth_dev_ipato_add6_store);
1283
1284 static ssize_t
1285 qeth_dev_ipato_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1286 {
1287         struct qeth_card *card = dev->driver_data;
1288
1289         if (!card)
1290                 return -EINVAL;
1291
1292         return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
1293 }
1294
1295 static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
1296                         qeth_dev_ipato_del6_store);
1297 #endif /* CONFIG_QETH_IPV6 */
1298
1299 static struct device_attribute * qeth_ipato_device_attrs[] = {
1300         &dev_attr_ipato_enable,
1301         &dev_attr_ipato_invert4,
1302         &dev_attr_ipato_add4,
1303         &dev_attr_ipato_del4,
1304 #ifdef CONFIG_QETH_IPV6
1305         &dev_attr_ipato_invert6,
1306         &dev_attr_ipato_add6,
1307         &dev_attr_ipato_del6,
1308 #endif
1309         NULL,
1310 };
1311
1312 static struct attribute_group qeth_device_ipato_group = {
1313         .name = "ipa_takeover",
1314         .attrs = (struct attribute **)qeth_ipato_device_attrs,
1315 };
1316
1317 static inline ssize_t
1318 qeth_dev_vipa_add_show(char *buf, struct qeth_card *card,
1319                         enum qeth_prot_versions proto)
1320 {
1321         struct qeth_ipaddr *ipaddr;
1322         char addr_str[40];
1323         int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1324         unsigned long flags;
1325         int i = 0;
1326
1327         if (qeth_check_layer2(card))
1328                 return -EPERM;
1329
1330         entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1331         entry_len += 2; /* \n + terminator */
1332         spin_lock_irqsave(&card->ip_lock, flags);
1333         list_for_each_entry(ipaddr, &card->ip_list, entry){
1334                 if (ipaddr->proto != proto)
1335                         continue;
1336                 if (ipaddr->type != QETH_IP_TYPE_VIPA)
1337                         continue;
1338                 /* String must not be longer than PAGE_SIZE. So we check if
1339                  * string length gets near PAGE_SIZE. Then we can savely display
1340                  * the next IPv6 address (worst case, compared to IPv4) */
1341                 if ((PAGE_SIZE - i) <= entry_len)
1342                         break;
1343                 qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
1344                 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
1345         }
1346         spin_unlock_irqrestore(&card->ip_lock, flags);
1347         i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1348
1349         return i;
1350 }
1351
1352 static ssize_t
1353 qeth_dev_vipa_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1354 {
1355         struct qeth_card *card = dev->driver_data;
1356
1357         if (!card)
1358                 return -EINVAL;
1359
1360         return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
1361 }
1362
1363 static inline int
1364 qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto,
1365                  u8 *addr)
1366 {
1367         if (qeth_string_to_ipaddr(buf, proto, addr)){
1368                 PRINT_WARN("Invalid IP address format!\n");
1369                 return -EINVAL;
1370         }
1371         return 0;
1372 }
1373
1374 static inline ssize_t
1375 qeth_dev_vipa_add_store(const char *buf, size_t count,
1376                          struct qeth_card *card, enum qeth_prot_versions proto)
1377 {
1378         u8 addr[16] = {0, };
1379         int rc;
1380
1381         if (qeth_check_layer2(card))
1382                 return -EPERM;
1383         if ((rc = qeth_parse_vipae(buf, proto, addr)))
1384                 return rc;
1385
1386         if ((rc = qeth_add_vipa(card, proto, addr)))
1387                 return rc;
1388
1389         return count;
1390 }
1391
1392 static ssize_t
1393 qeth_dev_vipa_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1394 {
1395         struct qeth_card *card = dev->driver_data;
1396
1397         if (!card)
1398                 return -EINVAL;
1399
1400         return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
1401 }
1402
1403 static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
1404                         qeth_dev_vipa_add4_show,
1405                         qeth_dev_vipa_add4_store);
1406
1407 static inline ssize_t
1408 qeth_dev_vipa_del_store(const char *buf, size_t count,
1409                          struct qeth_card *card, enum qeth_prot_versions proto)
1410 {
1411         u8 addr[16];
1412         int rc;
1413
1414         if (qeth_check_layer2(card))
1415                 return -EPERM;
1416         if ((rc = qeth_parse_vipae(buf, proto, addr)))
1417                 return rc;
1418
1419         qeth_del_vipa(card, proto, addr);
1420
1421         return count;
1422 }
1423
1424 static ssize_t
1425 qeth_dev_vipa_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1426 {
1427         struct qeth_card *card = dev->driver_data;
1428
1429         if (!card)
1430                 return -EINVAL;
1431
1432         return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
1433 }
1434
1435 static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
1436                         qeth_dev_vipa_del4_store);
1437
1438 #ifdef CONFIG_QETH_IPV6
1439 static ssize_t
1440 qeth_dev_vipa_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1441 {
1442         struct qeth_card *card = dev->driver_data;
1443
1444         if (!card)
1445                 return -EINVAL;
1446
1447         return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
1448 }
1449
1450 static ssize_t
1451 qeth_dev_vipa_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1452 {
1453         struct qeth_card *card = dev->driver_data;
1454
1455         if (!card)
1456                 return -EINVAL;
1457
1458         return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
1459 }
1460
1461 static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
1462                         qeth_dev_vipa_add6_show,
1463                         qeth_dev_vipa_add6_store);
1464
1465 static ssize_t
1466 qeth_dev_vipa_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1467 {
1468         struct qeth_card *card = dev->driver_data;
1469
1470         if (!card)
1471                 return -EINVAL;
1472
1473         if (qeth_check_layer2(card))
1474                 return -EPERM;
1475
1476         return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
1477 }
1478
1479 static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
1480                         qeth_dev_vipa_del6_store);
1481 #endif /* CONFIG_QETH_IPV6 */
1482
1483 static struct device_attribute * qeth_vipa_device_attrs[] = {
1484         &dev_attr_vipa_add4,
1485         &dev_attr_vipa_del4,
1486 #ifdef CONFIG_QETH_IPV6
1487         &dev_attr_vipa_add6,
1488         &dev_attr_vipa_del6,
1489 #endif
1490         NULL,
1491 };
1492
1493 static struct attribute_group qeth_device_vipa_group = {
1494         .name = "vipa",
1495         .attrs = (struct attribute **)qeth_vipa_device_attrs,
1496 };
1497
1498 static inline ssize_t
1499 qeth_dev_rxip_add_show(char *buf, struct qeth_card *card,
1500                        enum qeth_prot_versions proto)
1501 {
1502         struct qeth_ipaddr *ipaddr;
1503         char addr_str[40];
1504         int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1505         unsigned long flags;
1506         int i = 0;
1507
1508         if (qeth_check_layer2(card))
1509                 return -EPERM;
1510
1511         entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1512         entry_len += 2; /* \n + terminator */
1513         spin_lock_irqsave(&card->ip_lock, flags);
1514         list_for_each_entry(ipaddr, &card->ip_list, entry){
1515                 if (ipaddr->proto != proto)
1516                         continue;
1517                 if (ipaddr->type != QETH_IP_TYPE_RXIP)
1518                         continue;
1519                 /* String must not be longer than PAGE_SIZE. So we check if
1520                  * string length gets near PAGE_SIZE. Then we can savely display
1521                  * the next IPv6 address (worst case, compared to IPv4) */
1522                 if ((PAGE_SIZE - i) <= entry_len)
1523                         break;
1524                 qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
1525                 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
1526         }
1527         spin_unlock_irqrestore(&card->ip_lock, flags);
1528         i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1529
1530         return i;
1531 }
1532
1533 static ssize_t
1534 qeth_dev_rxip_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1535 {
1536         struct qeth_card *card = dev->driver_data;
1537
1538         if (!card)
1539                 return -EINVAL;
1540
1541         return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
1542 }
1543
1544 static inline int
1545 qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto,
1546                  u8 *addr)
1547 {
1548         if (qeth_string_to_ipaddr(buf, proto, addr)){
1549                 PRINT_WARN("Invalid IP address format!\n");
1550                 return -EINVAL;
1551         }
1552         return 0;
1553 }
1554
1555 static inline ssize_t
1556 qeth_dev_rxip_add_store(const char *buf, size_t count,
1557                         struct qeth_card *card, enum qeth_prot_versions proto)
1558 {
1559         u8 addr[16] = {0, };
1560         int rc;
1561
1562         if (qeth_check_layer2(card))
1563                 return -EPERM;
1564         if ((rc = qeth_parse_rxipe(buf, proto, addr)))
1565                 return rc;
1566
1567         if ((rc = qeth_add_rxip(card, proto, addr)))
1568                 return rc;
1569
1570         return count;
1571 }
1572
1573 static ssize_t
1574 qeth_dev_rxip_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1575 {
1576         struct qeth_card *card = dev->driver_data;
1577
1578         if (!card)
1579                 return -EINVAL;
1580
1581         return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
1582 }
1583
1584 static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
1585                         qeth_dev_rxip_add4_show,
1586                         qeth_dev_rxip_add4_store);
1587
1588 static inline ssize_t
1589 qeth_dev_rxip_del_store(const char *buf, size_t count,
1590                         struct qeth_card *card, enum qeth_prot_versions proto)
1591 {
1592         u8 addr[16];
1593         int rc;
1594
1595         if (qeth_check_layer2(card))
1596                 return -EPERM;
1597         if ((rc = qeth_parse_rxipe(buf, proto, addr)))
1598                 return rc;
1599
1600         qeth_del_rxip(card, proto, addr);
1601
1602         return count;
1603 }
1604
1605 static ssize_t
1606 qeth_dev_rxip_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1607 {
1608         struct qeth_card *card = dev->driver_data;
1609
1610         if (!card)
1611                 return -EINVAL;
1612
1613         return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
1614 }
1615
1616 static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
1617                         qeth_dev_rxip_del4_store);
1618
1619 #ifdef CONFIG_QETH_IPV6
1620 static ssize_t
1621 qeth_dev_rxip_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1622 {
1623         struct qeth_card *card = dev->driver_data;
1624
1625         if (!card)
1626                 return -EINVAL;
1627
1628         return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
1629 }
1630
1631 static ssize_t
1632 qeth_dev_rxip_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1633 {
1634         struct qeth_card *card = dev->driver_data;
1635
1636         if (!card)
1637                 return -EINVAL;
1638
1639         return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
1640 }
1641
1642 static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
1643                         qeth_dev_rxip_add6_show,
1644                         qeth_dev_rxip_add6_store);
1645
1646 static ssize_t
1647 qeth_dev_rxip_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1648 {
1649         struct qeth_card *card = dev->driver_data;
1650
1651         if (!card)
1652                 return -EINVAL;
1653
1654         return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
1655 }
1656
1657 static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
1658                         qeth_dev_rxip_del6_store);
1659 #endif /* CONFIG_QETH_IPV6 */
1660
1661 static struct device_attribute * qeth_rxip_device_attrs[] = {
1662         &dev_attr_rxip_add4,
1663         &dev_attr_rxip_del4,
1664 #ifdef CONFIG_QETH_IPV6
1665         &dev_attr_rxip_add6,
1666         &dev_attr_rxip_del6,
1667 #endif
1668         NULL,
1669 };
1670
1671 static struct attribute_group qeth_device_rxip_group = {
1672         .name = "rxip",
1673         .attrs = (struct attribute **)qeth_rxip_device_attrs,
1674 };
1675
1676 int
1677 qeth_create_device_attributes(struct device *dev)
1678 {
1679         int ret;
1680         struct qeth_card *card = dev->driver_data;
1681
1682         if (card->info.type == QETH_CARD_TYPE_OSN)
1683                 return sysfs_create_group(&dev->kobj,
1684                                           &qeth_osn_device_attr_group);
1685
1686         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group)))
1687                 return ret;
1688         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group))){
1689                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1690                 return ret;
1691         }
1692         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group))){
1693                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1694                 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1695                 return ret;
1696         }
1697         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group))){
1698                 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1699                 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1700                 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1701         }
1702         if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group)))
1703                 return ret;
1704
1705         return ret;
1706 }
1707
1708 void
1709 qeth_remove_device_attributes(struct device *dev)
1710 {
1711         struct qeth_card *card = dev->driver_data;
1712
1713         if (card->info.type == QETH_CARD_TYPE_OSN)
1714                 return sysfs_remove_group(&dev->kobj,
1715                                           &qeth_osn_device_attr_group);
1716
1717         sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1718         sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1719         sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1720         sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
1721         sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
1722 }
1723
1724 /**********************/
1725 /* DRIVER ATTRIBUTES  */
1726 /**********************/
1727 static ssize_t
1728 qeth_driver_group_store(struct device_driver *ddrv, const char *buf,
1729                         size_t count)
1730 {
1731         const char *start, *end;
1732         char bus_ids[3][BUS_ID_SIZE], *argv[3];
1733         int i;
1734         int err;
1735
1736         start = buf;
1737         for (i = 0; i < 3; i++) {
1738                 static const char delim[] = { ',', ',', '\n' };
1739                 int len;
1740
1741                 if (!(end = strchr(start, delim[i])))
1742                         return -EINVAL;
1743                 len = min_t(ptrdiff_t, BUS_ID_SIZE, end - start);
1744                 strncpy(bus_ids[i], start, len);
1745                 bus_ids[i][len] = '\0';
1746                 start = end + 1;
1747                 argv[i] = bus_ids[i];
1748         }
1749         err = ccwgroup_create(qeth_root_dev, qeth_ccwgroup_driver.driver_id,
1750                         &qeth_ccw_driver, 3, argv);
1751         if (err)
1752                 return err;
1753         else
1754                 return count;
1755 }
1756
1757
1758 static DRIVER_ATTR(group, 0200, NULL, qeth_driver_group_store);
1759
1760 static ssize_t
1761 qeth_driver_notifier_register_store(struct device_driver *ddrv, const char *buf,
1762                                 size_t count)
1763 {
1764         int rc;
1765         int signum;
1766         char *tmp, *tmp2;
1767
1768         tmp = strsep((char **) &buf, "\n");
1769         if (!strncmp(tmp, "unregister", 10)){
1770                 if ((rc = qeth_notifier_unregister(current)))
1771                         return rc;
1772                 return count;
1773         }
1774
1775         signum = simple_strtoul(tmp, &tmp2, 10);
1776         if ((signum < 0) || (signum > 32)){
1777                 PRINT_WARN("Signal number %d is out of range\n", signum);
1778                 return -EINVAL;
1779         }
1780         if ((rc = qeth_notifier_register(current, signum)))
1781                 return rc;
1782
1783         return count;
1784 }
1785
1786 static DRIVER_ATTR(notifier_register, 0200, NULL,
1787                    qeth_driver_notifier_register_store);
1788
1789 int
1790 qeth_create_driver_attributes(void)
1791 {
1792         int rc;
1793
1794         if ((rc = driver_create_file(&qeth_ccwgroup_driver.driver,
1795                                      &driver_attr_group)))
1796                 return rc;
1797         return driver_create_file(&qeth_ccwgroup_driver.driver,
1798                                   &driver_attr_notifier_register);
1799 }
1800
1801 void
1802 qeth_remove_driver_attributes(void)
1803 {
1804         driver_remove_file(&qeth_ccwgroup_driver.driver,
1805                         &driver_attr_group);
1806         driver_remove_file(&qeth_ccwgroup_driver.driver,
1807                         &driver_attr_notifier_register);
1808 }