2 * Copyright IBM Corp. 2007, 2009
3 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
4 * Frank Pavlic <fpavlic@de.ibm.com>,
5 * Thomas Spatzier <tspat@de.ibm.com>,
6 * Frank Blaschka <frank.blaschka@de.ibm.com>
9 #define KMSG_COMPONENT "qeth"
10 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/bitops.h>
15 #include <linux/string.h>
16 #include <linux/errno.h>
17 #include <linux/kernel.h>
18 #include <linux/etherdevice.h>
19 #include <linux/mii.h>
21 #include <linux/ipv6.h>
22 #include <linux/inetdevice.h>
23 #include <linux/igmp.h>
24 #include <linux/slab.h>
25 #include <linux/if_vlan.h>
29 #include <net/route.h>
30 #include <net/ip6_fib.h>
31 #include <net/ip6_checksum.h>
32 #include <net/iucv/af_iucv.h>
37 static int qeth_l3_set_offline(struct ccwgroup_device
*);
38 static int qeth_l3_recover(void *);
39 static int qeth_l3_stop(struct net_device
*);
40 static void qeth_l3_set_multicast_list(struct net_device
*);
41 static int qeth_l3_neigh_setup(struct net_device
*, struct neigh_parms
*);
42 static int qeth_l3_register_addr_entry(struct qeth_card
*,
43 struct qeth_ipaddr
*);
44 static int qeth_l3_deregister_addr_entry(struct qeth_card
*,
45 struct qeth_ipaddr
*);
46 static int __qeth_l3_set_online(struct ccwgroup_device
*, int);
47 static int __qeth_l3_set_offline(struct ccwgroup_device
*, int);
49 static int qeth_l3_isxdigit(char *buf
)
52 if (!isxdigit(*buf
++))
58 static void qeth_l3_ipaddr4_to_string(const __u8
*addr
, char *buf
)
60 sprintf(buf
, "%i.%i.%i.%i", addr
[0], addr
[1], addr
[2], addr
[3]);
63 static int qeth_l3_string_to_ipaddr4(const char *buf
, __u8
*addr
)
65 int count
= 0, rc
= 0;
69 rc
= sscanf(buf
, "%u.%u.%u.%u%c",
70 &in
[0], &in
[1], &in
[2], &in
[3], &c
);
71 if (rc
!= 4 && (rc
!= 5 || c
!= '\n'))
73 for (count
= 0; count
< 4; count
++) {
76 addr
[count
] = in
[count
];
81 static void qeth_l3_ipaddr6_to_string(const __u8
*addr
, char *buf
)
83 sprintf(buf
, "%pI6", addr
);
86 static int qeth_l3_string_to_ipaddr6(const char *buf
, __u8
*addr
)
88 const char *end
, *end_tmp
, *start
;
91 int num2
, cnt
, out
, found
, save_cnt
;
92 unsigned short in_tmp
[8] = {0, };
94 cnt
= out
= found
= save_cnt
= num2
= 0;
99 end
= strchr(start
, ':');
101 end
= buf
+ strlen(buf
);
102 end_tmp
= strchr(start
, '\n');
109 if ((end
- start
) > 4)
111 memcpy(num
, start
, end
- start
);
112 if (!qeth_l3_isxdigit(num
))
114 sscanf(start
, "%x", &num2
);
116 in_tmp
[save_cnt
++] = num2
;
128 if (cnt
+ save_cnt
> 8)
132 in
[cnt
--] = in_tmp
[--save_cnt
];
136 void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto
, const __u8
*addr
,
139 if (proto
== QETH_PROT_IPV4
)
140 qeth_l3_ipaddr4_to_string(addr
, buf
);
141 else if (proto
== QETH_PROT_IPV6
)
142 qeth_l3_ipaddr6_to_string(addr
, buf
);
145 int qeth_l3_string_to_ipaddr(const char *buf
, enum qeth_prot_versions proto
,
148 if (proto
== QETH_PROT_IPV4
)
149 return qeth_l3_string_to_ipaddr4(buf
, addr
);
150 else if (proto
== QETH_PROT_IPV6
)
151 return qeth_l3_string_to_ipaddr6(buf
, addr
);
156 static void qeth_l3_convert_addr_to_bits(u8
*addr
, u8
*bits
, int len
)
161 for (i
= 0; i
< len
; ++i
) {
163 for (j
= 7; j
>= 0; --j
) {
164 bits
[i
*8 + j
] = octet
& 1;
170 int qeth_l3_is_addr_covered_by_ipato(struct qeth_card
*card
,
171 struct qeth_ipaddr
*addr
)
173 struct qeth_ipato_entry
*ipatoe
;
174 u8 addr_bits
[128] = {0, };
175 u8 ipatoe_bits
[128] = {0, };
178 if (!card
->ipato
.enabled
)
181 qeth_l3_convert_addr_to_bits((u8
*) &addr
->u
, addr_bits
,
182 (addr
->proto
== QETH_PROT_IPV4
)? 4:16);
183 list_for_each_entry(ipatoe
, &card
->ipato
.entries
, entry
) {
184 if (addr
->proto
!= ipatoe
->proto
)
186 qeth_l3_convert_addr_to_bits(ipatoe
->addr
, ipatoe_bits
,
187 (ipatoe
->proto
== QETH_PROT_IPV4
) ?
189 if (addr
->proto
== QETH_PROT_IPV4
)
190 rc
= !memcmp(addr_bits
, ipatoe_bits
,
191 min(32, ipatoe
->mask_bits
));
193 rc
= !memcmp(addr_bits
, ipatoe_bits
,
194 min(128, ipatoe
->mask_bits
));
199 if ((addr
->proto
== QETH_PROT_IPV4
) && card
->ipato
.invert4
)
201 else if ((addr
->proto
== QETH_PROT_IPV6
) && card
->ipato
.invert6
)
208 * Add IP to be added to todo list. If there is already an "add todo"
209 * in this list we just incremenent the reference count.
210 * Returns 0 if we just incremented reference count.
212 static int __qeth_l3_insert_ip_todo(struct qeth_card
*card
,
213 struct qeth_ipaddr
*addr
, int add
)
215 struct qeth_ipaddr
*tmp
, *t
;
218 if (card
->options
.sniffer
)
220 list_for_each_entry_safe(tmp
, t
, card
->ip_tbd_list
, entry
) {
221 if ((addr
->type
== QETH_IP_TYPE_DEL_ALL_MC
) &&
222 (tmp
->type
== QETH_IP_TYPE_DEL_ALL_MC
))
224 if ((tmp
->proto
== QETH_PROT_IPV4
) &&
225 (addr
->proto
== QETH_PROT_IPV4
) &&
226 (tmp
->type
== addr
->type
) &&
227 (tmp
->is_multicast
== addr
->is_multicast
) &&
228 (tmp
->u
.a4
.addr
== addr
->u
.a4
.addr
) &&
229 (tmp
->u
.a4
.mask
== addr
->u
.a4
.mask
)) {
233 if ((tmp
->proto
== QETH_PROT_IPV6
) &&
234 (addr
->proto
== QETH_PROT_IPV6
) &&
235 (tmp
->type
== addr
->type
) &&
236 (tmp
->is_multicast
== addr
->is_multicast
) &&
237 (tmp
->u
.a6
.pfxlen
== addr
->u
.a6
.pfxlen
) &&
238 (memcmp(&tmp
->u
.a6
.addr
, &addr
->u
.a6
.addr
,
239 sizeof(struct in6_addr
)) == 0)) {
245 if (addr
->users
!= 0)
246 tmp
->users
+= addr
->users
;
248 tmp
->users
+= add
? 1 : -1;
249 if (tmp
->users
== 0) {
250 list_del(&tmp
->entry
);
255 if (addr
->type
== QETH_IP_TYPE_DEL_ALL_MC
)
256 list_add(&addr
->entry
, card
->ip_tbd_list
);
258 if (addr
->users
== 0)
259 addr
->users
+= add
? 1 : -1;
260 if (add
&& (addr
->type
== QETH_IP_TYPE_NORMAL
) &&
261 qeth_l3_is_addr_covered_by_ipato(card
, addr
)) {
262 QETH_CARD_TEXT(card
, 2, "tkovaddr");
263 addr
->set_flags
|= QETH_IPA_SETIP_TAKEOVER_FLAG
;
265 list_add_tail(&addr
->entry
, card
->ip_tbd_list
);
271 int qeth_l3_delete_ip(struct qeth_card
*card
, struct qeth_ipaddr
*addr
)
276 QETH_CARD_TEXT(card
, 4, "delip");
278 if (addr
->proto
== QETH_PROT_IPV4
)
279 QETH_CARD_HEX(card
, 4, &addr
->u
.a4
.addr
, 4);
281 QETH_CARD_HEX(card
, 4, &addr
->u
.a6
.addr
, 8);
282 QETH_CARD_HEX(card
, 4, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
284 spin_lock_irqsave(&card
->ip_lock
, flags
);
285 rc
= __qeth_l3_insert_ip_todo(card
, addr
, 0);
286 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
290 int qeth_l3_add_ip(struct qeth_card
*card
, struct qeth_ipaddr
*addr
)
295 QETH_CARD_TEXT(card
, 4, "addip");
296 if (addr
->proto
== QETH_PROT_IPV4
)
297 QETH_CARD_HEX(card
, 4, &addr
->u
.a4
.addr
, 4);
299 QETH_CARD_HEX(card
, 4, &addr
->u
.a6
.addr
, 8);
300 QETH_CARD_HEX(card
, 4, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
302 spin_lock_irqsave(&card
->ip_lock
, flags
);
303 rc
= __qeth_l3_insert_ip_todo(card
, addr
, 1);
304 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
309 struct qeth_ipaddr
*qeth_l3_get_addr_buffer(
310 enum qeth_prot_versions prot
)
312 struct qeth_ipaddr
*addr
;
314 addr
= kzalloc(sizeof(struct qeth_ipaddr
), GFP_ATOMIC
);
318 addr
->type
= QETH_IP_TYPE_NORMAL
;
323 static void qeth_l3_delete_mc_addresses(struct qeth_card
*card
)
325 struct qeth_ipaddr
*iptodo
;
328 QETH_CARD_TEXT(card
, 4, "delmc");
329 iptodo
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
331 QETH_CARD_TEXT(card
, 2, "dmcnomem");
334 iptodo
->type
= QETH_IP_TYPE_DEL_ALL_MC
;
335 spin_lock_irqsave(&card
->ip_lock
, flags
);
336 if (!__qeth_l3_insert_ip_todo(card
, iptodo
, 0))
338 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
342 * Add/remove address to/from card's ip list, i.e. try to add or remove
343 * reference to/from an IP address that is already registered on the card.
345 * 0 address was on card and its reference count has been adjusted,
346 * but is still > 0, so nothing has to be done
347 * also returns 0 if card was not on card and the todo was to delete
348 * the address -> there is also nothing to be done
349 * 1 address was not on card and the todo is to add it to the card's ip
351 * -1 address was on card and its reference count has been decremented
352 * to <= 0 by the todo -> address must be removed from card
354 static int __qeth_l3_ref_ip_on_card(struct qeth_card
*card
,
355 struct qeth_ipaddr
*todo
, struct qeth_ipaddr
**__addr
)
357 struct qeth_ipaddr
*addr
;
360 list_for_each_entry(addr
, &card
->ip_list
, entry
) {
361 if ((addr
->proto
== QETH_PROT_IPV4
) &&
362 (todo
->proto
== QETH_PROT_IPV4
) &&
363 (addr
->type
== todo
->type
) &&
364 (addr
->u
.a4
.addr
== todo
->u
.a4
.addr
) &&
365 (addr
->u
.a4
.mask
== todo
->u
.a4
.mask
)) {
369 if ((addr
->proto
== QETH_PROT_IPV6
) &&
370 (todo
->proto
== QETH_PROT_IPV6
) &&
371 (addr
->type
== todo
->type
) &&
372 (addr
->u
.a6
.pfxlen
== todo
->u
.a6
.pfxlen
) &&
373 (memcmp(&addr
->u
.a6
.addr
, &todo
->u
.a6
.addr
,
374 sizeof(struct in6_addr
)) == 0)) {
380 addr
->users
+= todo
->users
;
381 if (addr
->users
<= 0) {
385 /* for VIPA and RXIP limit refcount to 1 */
386 if (addr
->type
!= QETH_IP_TYPE_NORMAL
)
391 if (todo
->users
> 0) {
392 /* for VIPA and RXIP limit refcount to 1 */
393 if (todo
->type
!= QETH_IP_TYPE_NORMAL
)
400 static void __qeth_l3_delete_all_mc(struct qeth_card
*card
,
401 unsigned long *flags
)
403 struct list_head fail_list
;
404 struct qeth_ipaddr
*addr
, *tmp
;
407 INIT_LIST_HEAD(&fail_list
);
409 list_for_each_entry_safe(addr
, tmp
, &card
->ip_list
, entry
) {
410 if (addr
->is_multicast
) {
411 list_del(&addr
->entry
);
412 spin_unlock_irqrestore(&card
->ip_lock
, *flags
);
413 rc
= qeth_l3_deregister_addr_entry(card
, addr
);
414 spin_lock_irqsave(&card
->ip_lock
, *flags
);
415 if (!rc
|| (rc
== IPA_RC_MC_ADDR_NOT_FOUND
))
418 list_add_tail(&addr
->entry
, &fail_list
);
422 list_splice(&fail_list
, &card
->ip_list
);
425 void qeth_l3_set_ip_addr_list(struct qeth_card
*card
)
427 struct list_head
*tbd_list
;
428 struct qeth_ipaddr
*todo
, *addr
;
432 QETH_CARD_TEXT(card
, 2, "sdiplist");
433 QETH_CARD_HEX(card
, 2, &card
, sizeof(void *));
435 if (!qeth_card_hw_is_reachable(card
) || card
->options
.sniffer
)
438 spin_lock_irqsave(&card
->ip_lock
, flags
);
439 tbd_list
= card
->ip_tbd_list
;
440 card
->ip_tbd_list
= kzalloc(sizeof(struct list_head
), GFP_ATOMIC
);
441 if (!card
->ip_tbd_list
) {
442 QETH_CARD_TEXT(card
, 0, "silnomem");
443 card
->ip_tbd_list
= tbd_list
;
444 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
447 INIT_LIST_HEAD(card
->ip_tbd_list
);
449 while (!list_empty(tbd_list
)) {
450 todo
= list_entry(tbd_list
->next
, struct qeth_ipaddr
, entry
);
451 list_del(&todo
->entry
);
452 if (todo
->type
== QETH_IP_TYPE_DEL_ALL_MC
) {
453 __qeth_l3_delete_all_mc(card
, &flags
);
457 rc
= __qeth_l3_ref_ip_on_card(card
, todo
, &addr
);
459 /* nothing to be done; only adjusted refcount */
461 } else if (rc
== 1) {
462 /* new entry to be added to on-card list */
463 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
464 rc
= qeth_l3_register_addr_entry(card
, todo
);
465 spin_lock_irqsave(&card
->ip_lock
, flags
);
466 if (!rc
|| (rc
== IPA_RC_LAN_OFFLINE
))
467 list_add_tail(&todo
->entry
, &card
->ip_list
);
470 } else if (rc
== -1) {
471 /* on-card entry to be removed */
472 list_del_init(&addr
->entry
);
473 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
474 rc
= qeth_l3_deregister_addr_entry(card
, addr
);
475 spin_lock_irqsave(&card
->ip_lock
, flags
);
476 if (!rc
|| (rc
== IPA_RC_IP_ADDRESS_NOT_DEFINED
))
479 list_add_tail(&addr
->entry
, &card
->ip_list
);
483 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
487 static void qeth_l3_clear_ip_list(struct qeth_card
*card
, int recover
)
489 struct qeth_ipaddr
*addr
, *tmp
;
492 QETH_CARD_TEXT(card
, 4, "clearip");
493 if (recover
&& card
->options
.sniffer
)
495 spin_lock_irqsave(&card
->ip_lock
, flags
);
496 /* clear todo list */
497 list_for_each_entry_safe(addr
, tmp
, card
->ip_tbd_list
, entry
) {
498 list_del(&addr
->entry
);
502 while (!list_empty(&card
->ip_list
)) {
503 addr
= list_entry(card
->ip_list
.next
,
504 struct qeth_ipaddr
, entry
);
505 list_del_init(&addr
->entry
);
506 if (!recover
|| addr
->is_multicast
) {
510 list_add_tail(&addr
->entry
, card
->ip_tbd_list
);
512 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
515 static int qeth_l3_address_exists_in_list(struct list_head
*list
,
516 struct qeth_ipaddr
*addr
, int same_type
)
518 struct qeth_ipaddr
*tmp
;
520 list_for_each_entry(tmp
, list
, entry
) {
521 if ((tmp
->proto
== QETH_PROT_IPV4
) &&
522 (addr
->proto
== QETH_PROT_IPV4
) &&
523 ((same_type
&& (tmp
->type
== addr
->type
)) ||
524 (!same_type
&& (tmp
->type
!= addr
->type
))) &&
525 (tmp
->u
.a4
.addr
== addr
->u
.a4
.addr
))
528 if ((tmp
->proto
== QETH_PROT_IPV6
) &&
529 (addr
->proto
== QETH_PROT_IPV6
) &&
530 ((same_type
&& (tmp
->type
== addr
->type
)) ||
531 (!same_type
&& (tmp
->type
!= addr
->type
))) &&
532 (memcmp(&tmp
->u
.a6
.addr
, &addr
->u
.a6
.addr
,
533 sizeof(struct in6_addr
)) == 0))
540 static int qeth_l3_send_setdelmc(struct qeth_card
*card
,
541 struct qeth_ipaddr
*addr
, int ipacmd
)
544 struct qeth_cmd_buffer
*iob
;
545 struct qeth_ipa_cmd
*cmd
;
547 QETH_CARD_TEXT(card
, 4, "setdelmc");
549 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, addr
->proto
);
552 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
553 memcpy(&cmd
->data
.setdelipm
.mac
, addr
->mac
, OSA_ADDR_LEN
);
554 if (addr
->proto
== QETH_PROT_IPV6
)
555 memcpy(cmd
->data
.setdelipm
.ip6
, &addr
->u
.a6
.addr
,
556 sizeof(struct in6_addr
));
558 memcpy(&cmd
->data
.setdelipm
.ip4
, &addr
->u
.a4
.addr
, 4);
560 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
565 static void qeth_l3_fill_netmask(u8
*netmask
, unsigned int len
)
568 for (i
= 0; i
< 16; i
++) {
573 netmask
[i
] = (u8
)(0xFF00 >> j
);
579 static int qeth_l3_send_setdelip(struct qeth_card
*card
,
580 struct qeth_ipaddr
*addr
, int ipacmd
, unsigned int flags
)
583 struct qeth_cmd_buffer
*iob
;
584 struct qeth_ipa_cmd
*cmd
;
587 QETH_CARD_TEXT(card
, 4, "setdelip");
588 QETH_CARD_TEXT_(card
, 4, "flags%02X", flags
);
590 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, addr
->proto
);
593 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
594 if (addr
->proto
== QETH_PROT_IPV6
) {
595 memcpy(cmd
->data
.setdelip6
.ip_addr
, &addr
->u
.a6
.addr
,
596 sizeof(struct in6_addr
));
597 qeth_l3_fill_netmask(netmask
, addr
->u
.a6
.pfxlen
);
598 memcpy(cmd
->data
.setdelip6
.mask
, netmask
,
599 sizeof(struct in6_addr
));
600 cmd
->data
.setdelip6
.flags
= flags
;
602 memcpy(cmd
->data
.setdelip4
.ip_addr
, &addr
->u
.a4
.addr
, 4);
603 memcpy(cmd
->data
.setdelip4
.mask
, &addr
->u
.a4
.mask
, 4);
604 cmd
->data
.setdelip4
.flags
= flags
;
607 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
612 static int qeth_l3_send_setrouting(struct qeth_card
*card
,
613 enum qeth_routing_types type
, enum qeth_prot_versions prot
)
616 struct qeth_ipa_cmd
*cmd
;
617 struct qeth_cmd_buffer
*iob
;
619 QETH_CARD_TEXT(card
, 4, "setroutg");
620 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SETRTG
, prot
);
623 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
624 cmd
->data
.setrtg
.type
= (type
);
625 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
630 static int qeth_l3_correct_routing_type(struct qeth_card
*card
,
631 enum qeth_routing_types
*type
, enum qeth_prot_versions prot
)
633 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
636 case PRIMARY_CONNECTOR
:
637 case SECONDARY_CONNECTOR
:
638 case MULTICAST_ROUTER
:
647 case SECONDARY_ROUTER
:
649 case MULTICAST_ROUTER
:
650 if (qeth_is_ipafunc_supported(card
, prot
,
662 int qeth_l3_setrouting_v4(struct qeth_card
*card
)
666 QETH_CARD_TEXT(card
, 3, "setrtg4");
668 rc
= qeth_l3_correct_routing_type(card
, &card
->options
.route4
.type
,
673 rc
= qeth_l3_send_setrouting(card
, card
->options
.route4
.type
,
676 card
->options
.route4
.type
= NO_ROUTER
;
677 QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type"
678 " on %s. Type set to 'no router'.\n", rc
,
679 QETH_CARD_IFNAME(card
));
684 int qeth_l3_setrouting_v6(struct qeth_card
*card
)
688 QETH_CARD_TEXT(card
, 3, "setrtg6");
689 #ifdef CONFIG_QETH_IPV6
691 if (!qeth_is_supported(card
, IPA_IPV6
))
693 rc
= qeth_l3_correct_routing_type(card
, &card
->options
.route6
.type
,
698 rc
= qeth_l3_send_setrouting(card
, card
->options
.route6
.type
,
701 card
->options
.route6
.type
= NO_ROUTER
;
702 QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type"
703 " on %s. Type set to 'no router'.\n", rc
,
704 QETH_CARD_IFNAME(card
));
711 * IP address takeover related functions
713 static void qeth_l3_clear_ipato_list(struct qeth_card
*card
)
716 struct qeth_ipato_entry
*ipatoe
, *tmp
;
719 spin_lock_irqsave(&card
->ip_lock
, flags
);
720 list_for_each_entry_safe(ipatoe
, tmp
, &card
->ipato
.entries
, entry
) {
721 list_del(&ipatoe
->entry
);
724 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
727 int qeth_l3_add_ipato_entry(struct qeth_card
*card
,
728 struct qeth_ipato_entry
*new)
730 struct qeth_ipato_entry
*ipatoe
;
734 QETH_CARD_TEXT(card
, 2, "addipato");
735 spin_lock_irqsave(&card
->ip_lock
, flags
);
736 list_for_each_entry(ipatoe
, &card
->ipato
.entries
, entry
) {
737 if (ipatoe
->proto
!= new->proto
)
739 if (!memcmp(ipatoe
->addr
, new->addr
,
740 (ipatoe
->proto
== QETH_PROT_IPV4
)? 4:16) &&
741 (ipatoe
->mask_bits
== new->mask_bits
)) {
747 list_add_tail(&new->entry
, &card
->ipato
.entries
);
749 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
753 void qeth_l3_del_ipato_entry(struct qeth_card
*card
,
754 enum qeth_prot_versions proto
, u8
*addr
, int mask_bits
)
756 struct qeth_ipato_entry
*ipatoe
, *tmp
;
759 QETH_CARD_TEXT(card
, 2, "delipato");
760 spin_lock_irqsave(&card
->ip_lock
, flags
);
761 list_for_each_entry_safe(ipatoe
, tmp
, &card
->ipato
.entries
, entry
) {
762 if (ipatoe
->proto
!= proto
)
764 if (!memcmp(ipatoe
->addr
, addr
,
765 (proto
== QETH_PROT_IPV4
)? 4:16) &&
766 (ipatoe
->mask_bits
== mask_bits
)) {
767 list_del(&ipatoe
->entry
);
771 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
775 * VIPA related functions
777 int qeth_l3_add_vipa(struct qeth_card
*card
, enum qeth_prot_versions proto
,
780 struct qeth_ipaddr
*ipaddr
;
784 ipaddr
= qeth_l3_get_addr_buffer(proto
);
786 if (proto
== QETH_PROT_IPV4
) {
787 QETH_CARD_TEXT(card
, 2, "addvipa4");
788 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
789 ipaddr
->u
.a4
.mask
= 0;
790 } else if (proto
== QETH_PROT_IPV6
) {
791 QETH_CARD_TEXT(card
, 2, "addvipa6");
792 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
793 ipaddr
->u
.a6
.pfxlen
= 0;
795 ipaddr
->type
= QETH_IP_TYPE_VIPA
;
796 ipaddr
->set_flags
= QETH_IPA_SETIP_VIPA_FLAG
;
797 ipaddr
->del_flags
= QETH_IPA_DELIP_VIPA_FLAG
;
800 spin_lock_irqsave(&card
->ip_lock
, flags
);
801 if (qeth_l3_address_exists_in_list(&card
->ip_list
, ipaddr
, 0) ||
802 qeth_l3_address_exists_in_list(card
->ip_tbd_list
, ipaddr
, 0))
804 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
809 if (!qeth_l3_add_ip(card
, ipaddr
))
811 qeth_l3_set_ip_addr_list(card
);
815 void qeth_l3_del_vipa(struct qeth_card
*card
, enum qeth_prot_versions proto
,
818 struct qeth_ipaddr
*ipaddr
;
820 ipaddr
= qeth_l3_get_addr_buffer(proto
);
822 if (proto
== QETH_PROT_IPV4
) {
823 QETH_CARD_TEXT(card
, 2, "delvipa4");
824 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
825 ipaddr
->u
.a4
.mask
= 0;
826 } else if (proto
== QETH_PROT_IPV6
) {
827 QETH_CARD_TEXT(card
, 2, "delvipa6");
828 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
829 ipaddr
->u
.a6
.pfxlen
= 0;
831 ipaddr
->type
= QETH_IP_TYPE_VIPA
;
834 if (!qeth_l3_delete_ip(card
, ipaddr
))
836 qeth_l3_set_ip_addr_list(card
);
840 * proxy ARP related functions
842 int qeth_l3_add_rxip(struct qeth_card
*card
, enum qeth_prot_versions proto
,
845 struct qeth_ipaddr
*ipaddr
;
849 ipaddr
= qeth_l3_get_addr_buffer(proto
);
851 if (proto
== QETH_PROT_IPV4
) {
852 QETH_CARD_TEXT(card
, 2, "addrxip4");
853 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
854 ipaddr
->u
.a4
.mask
= 0;
855 } else if (proto
== QETH_PROT_IPV6
) {
856 QETH_CARD_TEXT(card
, 2, "addrxip6");
857 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
858 ipaddr
->u
.a6
.pfxlen
= 0;
860 ipaddr
->type
= QETH_IP_TYPE_RXIP
;
861 ipaddr
->set_flags
= QETH_IPA_SETIP_TAKEOVER_FLAG
;
862 ipaddr
->del_flags
= 0;
865 spin_lock_irqsave(&card
->ip_lock
, flags
);
866 if (qeth_l3_address_exists_in_list(&card
->ip_list
, ipaddr
, 0) ||
867 qeth_l3_address_exists_in_list(card
->ip_tbd_list
, ipaddr
, 0))
869 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
874 if (!qeth_l3_add_ip(card
, ipaddr
))
876 qeth_l3_set_ip_addr_list(card
);
880 void qeth_l3_del_rxip(struct qeth_card
*card
, enum qeth_prot_versions proto
,
883 struct qeth_ipaddr
*ipaddr
;
885 ipaddr
= qeth_l3_get_addr_buffer(proto
);
887 if (proto
== QETH_PROT_IPV4
) {
888 QETH_CARD_TEXT(card
, 2, "addrxip4");
889 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
890 ipaddr
->u
.a4
.mask
= 0;
891 } else if (proto
== QETH_PROT_IPV6
) {
892 QETH_CARD_TEXT(card
, 2, "addrxip6");
893 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
894 ipaddr
->u
.a6
.pfxlen
= 0;
896 ipaddr
->type
= QETH_IP_TYPE_RXIP
;
899 if (!qeth_l3_delete_ip(card
, ipaddr
))
901 qeth_l3_set_ip_addr_list(card
);
904 static int qeth_l3_register_addr_entry(struct qeth_card
*card
,
905 struct qeth_ipaddr
*addr
)
911 if (addr
->proto
== QETH_PROT_IPV4
) {
912 QETH_CARD_TEXT(card
, 2, "setaddr4");
913 QETH_CARD_HEX(card
, 3, &addr
->u
.a4
.addr
, sizeof(int));
914 } else if (addr
->proto
== QETH_PROT_IPV6
) {
915 QETH_CARD_TEXT(card
, 2, "setaddr6");
916 QETH_CARD_HEX(card
, 3, &addr
->u
.a6
.addr
, 8);
917 QETH_CARD_HEX(card
, 3, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
919 QETH_CARD_TEXT(card
, 2, "setaddr?");
920 QETH_CARD_HEX(card
, 3, addr
, sizeof(struct qeth_ipaddr
));
923 if (addr
->is_multicast
)
924 rc
= qeth_l3_send_setdelmc(card
, addr
, IPA_CMD_SETIPM
);
926 rc
= qeth_l3_send_setdelip(card
, addr
, IPA_CMD_SETIP
,
929 QETH_CARD_TEXT(card
, 2, "failed");
930 } while ((--cnt
> 0) && rc
);
932 QETH_CARD_TEXT(card
, 2, "FAILED");
933 qeth_l3_ipaddr_to_string(addr
->proto
, (u8
*)&addr
->u
, buf
);
934 dev_warn(&card
->gdev
->dev
,
935 "Registering IP address %s failed\n", buf
);
940 static int qeth_l3_deregister_addr_entry(struct qeth_card
*card
,
941 struct qeth_ipaddr
*addr
)
945 if (addr
->proto
== QETH_PROT_IPV4
) {
946 QETH_CARD_TEXT(card
, 2, "deladdr4");
947 QETH_CARD_HEX(card
, 3, &addr
->u
.a4
.addr
, sizeof(int));
948 } else if (addr
->proto
== QETH_PROT_IPV6
) {
949 QETH_CARD_TEXT(card
, 2, "deladdr6");
950 QETH_CARD_HEX(card
, 3, &addr
->u
.a6
.addr
, 8);
951 QETH_CARD_HEX(card
, 3, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
953 QETH_CARD_TEXT(card
, 2, "deladdr?");
954 QETH_CARD_HEX(card
, 3, addr
, sizeof(struct qeth_ipaddr
));
956 if (addr
->is_multicast
)
957 rc
= qeth_l3_send_setdelmc(card
, addr
, IPA_CMD_DELIPM
);
959 rc
= qeth_l3_send_setdelip(card
, addr
, IPA_CMD_DELIP
,
962 QETH_CARD_TEXT(card
, 2, "failed");
967 static inline u8
qeth_l3_get_qeth_hdr_flags4(int cast_type
)
969 if (cast_type
== RTN_MULTICAST
)
970 return QETH_CAST_MULTICAST
;
971 if (cast_type
== RTN_BROADCAST
)
972 return QETH_CAST_BROADCAST
;
973 return QETH_CAST_UNICAST
;
976 static inline u8
qeth_l3_get_qeth_hdr_flags6(int cast_type
)
978 u8 ct
= QETH_HDR_PASSTHRU
| QETH_HDR_IPV6
;
979 if (cast_type
== RTN_MULTICAST
)
980 return ct
| QETH_CAST_MULTICAST
;
981 if (cast_type
== RTN_ANYCAST
)
982 return ct
| QETH_CAST_ANYCAST
;
983 if (cast_type
== RTN_BROADCAST
)
984 return ct
| QETH_CAST_BROADCAST
;
985 return ct
| QETH_CAST_UNICAST
;
988 static int qeth_l3_setadapter_parms(struct qeth_card
*card
)
992 QETH_DBF_TEXT(SETUP
, 2, "setadprm");
994 if (!qeth_is_supported(card
, IPA_SETADAPTERPARMS
)) {
995 dev_info(&card
->gdev
->dev
,
996 "set adapter parameters not supported.\n");
997 QETH_DBF_TEXT(SETUP
, 2, " notsupp");
1000 rc
= qeth_query_setadapterparms(card
);
1002 QETH_DBF_MESSAGE(2, "%s couldn't set adapter parameters: "
1003 "0x%x\n", dev_name(&card
->gdev
->dev
), rc
);
1006 if (qeth_adp_supported(card
, IPA_SETADP_ALTER_MAC_ADDRESS
)) {
1007 rc
= qeth_setadpparms_change_macaddr(card
);
1009 dev_warn(&card
->gdev
->dev
, "Reading the adapter MAC"
1010 " address failed\n");
1016 static int qeth_l3_default_setassparms_cb(struct qeth_card
*card
,
1017 struct qeth_reply
*reply
, unsigned long data
)
1019 struct qeth_ipa_cmd
*cmd
;
1021 QETH_CARD_TEXT(card
, 4, "defadpcb");
1023 cmd
= (struct qeth_ipa_cmd
*) data
;
1024 if (cmd
->hdr
.return_code
== 0) {
1025 cmd
->hdr
.return_code
= cmd
->data
.setassparms
.hdr
.return_code
;
1026 if (cmd
->hdr
.prot_version
== QETH_PROT_IPV4
)
1027 card
->options
.ipa4
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
1028 if (cmd
->hdr
.prot_version
== QETH_PROT_IPV6
)
1029 card
->options
.ipa6
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
1031 if (cmd
->data
.setassparms
.hdr
.assist_no
== IPA_INBOUND_CHECKSUM
&&
1032 cmd
->data
.setassparms
.hdr
.command_code
== IPA_CMD_ASS_START
) {
1033 card
->info
.csum_mask
= cmd
->data
.setassparms
.data
.flags_32bit
;
1034 QETH_CARD_TEXT_(card
, 3, "csum:%d", card
->info
.csum_mask
);
1036 if (cmd
->data
.setassparms
.hdr
.assist_no
== IPA_OUTBOUND_CHECKSUM
&&
1037 cmd
->data
.setassparms
.hdr
.command_code
== IPA_CMD_ASS_START
) {
1038 card
->info
.tx_csum_mask
=
1039 cmd
->data
.setassparms
.data
.flags_32bit
;
1040 QETH_CARD_TEXT_(card
, 3, "tcsu:%d", card
->info
.tx_csum_mask
);
1046 #ifdef CONFIG_QETH_IPV6
1047 static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card
*card
,
1048 enum qeth_ipa_funcs ipa_func
, __u16 cmd_code
)
1051 struct qeth_cmd_buffer
*iob
;
1053 QETH_CARD_TEXT(card
, 4, "simassp6");
1054 iob
= qeth_get_setassparms_cmd(card
, ipa_func
, cmd_code
,
1058 rc
= qeth_send_setassparms(card
, iob
, 0, 0,
1059 qeth_l3_default_setassparms_cb
, NULL
);
1064 static int qeth_l3_start_ipa_arp_processing(struct qeth_card
*card
)
1068 QETH_CARD_TEXT(card
, 3, "ipaarp");
1070 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
1071 dev_info(&card
->gdev
->dev
,
1072 "ARP processing not supported on %s!\n",
1073 QETH_CARD_IFNAME(card
));
1076 rc
= qeth_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
1077 IPA_CMD_ASS_START
, 0);
1079 dev_warn(&card
->gdev
->dev
,
1080 "Starting ARP processing support for %s failed\n",
1081 QETH_CARD_IFNAME(card
));
1086 static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card
*card
)
1090 QETH_CARD_TEXT(card
, 3, "ipaipfrg");
1092 if (!qeth_is_supported(card
, IPA_IP_FRAGMENTATION
)) {
1093 dev_info(&card
->gdev
->dev
,
1094 "Hardware IP fragmentation not supported on %s\n",
1095 QETH_CARD_IFNAME(card
));
1099 rc
= qeth_send_simple_setassparms(card
, IPA_IP_FRAGMENTATION
,
1100 IPA_CMD_ASS_START
, 0);
1102 dev_warn(&card
->gdev
->dev
,
1103 "Starting IP fragmentation support for %s failed\n",
1104 QETH_CARD_IFNAME(card
));
1106 dev_info(&card
->gdev
->dev
,
1107 "Hardware IP fragmentation enabled \n");
1111 static int qeth_l3_start_ipa_source_mac(struct qeth_card
*card
)
1115 QETH_CARD_TEXT(card
, 3, "stsrcmac");
1117 if (!qeth_is_supported(card
, IPA_SOURCE_MAC
)) {
1118 dev_info(&card
->gdev
->dev
,
1119 "Inbound source MAC-address not supported on %s\n",
1120 QETH_CARD_IFNAME(card
));
1124 rc
= qeth_send_simple_setassparms(card
, IPA_SOURCE_MAC
,
1125 IPA_CMD_ASS_START
, 0);
1127 dev_warn(&card
->gdev
->dev
,
1128 "Starting source MAC-address support for %s failed\n",
1129 QETH_CARD_IFNAME(card
));
1133 static int qeth_l3_start_ipa_vlan(struct qeth_card
*card
)
1137 QETH_CARD_TEXT(card
, 3, "strtvlan");
1139 if (!qeth_is_supported(card
, IPA_FULL_VLAN
)) {
1140 dev_info(&card
->gdev
->dev
,
1141 "VLAN not supported on %s\n", QETH_CARD_IFNAME(card
));
1145 rc
= qeth_send_simple_setassparms(card
, IPA_VLAN_PRIO
,
1146 IPA_CMD_ASS_START
, 0);
1148 dev_warn(&card
->gdev
->dev
,
1149 "Starting VLAN support for %s failed\n",
1150 QETH_CARD_IFNAME(card
));
1152 dev_info(&card
->gdev
->dev
, "VLAN enabled\n");
1157 static int qeth_l3_start_ipa_multicast(struct qeth_card
*card
)
1161 QETH_CARD_TEXT(card
, 3, "stmcast");
1163 if (!qeth_is_supported(card
, IPA_MULTICASTING
)) {
1164 dev_info(&card
->gdev
->dev
,
1165 "Multicast not supported on %s\n",
1166 QETH_CARD_IFNAME(card
));
1170 rc
= qeth_send_simple_setassparms(card
, IPA_MULTICASTING
,
1171 IPA_CMD_ASS_START
, 0);
1173 dev_warn(&card
->gdev
->dev
,
1174 "Starting multicast support for %s failed\n",
1175 QETH_CARD_IFNAME(card
));
1177 dev_info(&card
->gdev
->dev
, "Multicast enabled\n");
1178 card
->dev
->flags
|= IFF_MULTICAST
;
1183 #ifdef CONFIG_QETH_IPV6
1184 static int qeth_l3_softsetup_ipv6(struct qeth_card
*card
)
1188 QETH_CARD_TEXT(card
, 3, "softipv6");
1190 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1193 rc
= qeth_query_ipassists(card
, QETH_PROT_IPV6
);
1195 dev_err(&card
->gdev
->dev
,
1196 "Activating IPv6 support for %s failed\n",
1197 QETH_CARD_IFNAME(card
));
1200 rc
= qeth_send_simple_setassparms(card
, IPA_IPV6
,
1201 IPA_CMD_ASS_START
, 3);
1203 dev_err(&card
->gdev
->dev
,
1204 "Activating IPv6 support for %s failed\n",
1205 QETH_CARD_IFNAME(card
));
1208 rc
= qeth_l3_send_simple_setassparms_ipv6(card
, IPA_IPV6
,
1211 dev_err(&card
->gdev
->dev
,
1212 "Activating IPv6 support for %s failed\n",
1213 QETH_CARD_IFNAME(card
));
1216 rc
= qeth_l3_send_simple_setassparms_ipv6(card
, IPA_PASSTHRU
,
1219 dev_warn(&card
->gdev
->dev
,
1220 "Enabling the passthrough mode for %s failed\n",
1221 QETH_CARD_IFNAME(card
));
1225 dev_info(&card
->gdev
->dev
, "IPV6 enabled\n");
1230 static int qeth_l3_start_ipa_ipv6(struct qeth_card
*card
)
1234 QETH_CARD_TEXT(card
, 3, "strtipv6");
1236 if (!qeth_is_supported(card
, IPA_IPV6
)) {
1237 dev_info(&card
->gdev
->dev
,
1238 "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card
));
1241 #ifdef CONFIG_QETH_IPV6
1242 rc
= qeth_l3_softsetup_ipv6(card
);
1247 static int qeth_l3_start_ipa_broadcast(struct qeth_card
*card
)
1251 QETH_CARD_TEXT(card
, 3, "stbrdcst");
1252 card
->info
.broadcast_capable
= 0;
1253 if (!qeth_is_supported(card
, IPA_FILTERING
)) {
1254 dev_info(&card
->gdev
->dev
,
1255 "Broadcast not supported on %s\n",
1256 QETH_CARD_IFNAME(card
));
1260 rc
= qeth_send_simple_setassparms(card
, IPA_FILTERING
,
1261 IPA_CMD_ASS_START
, 0);
1263 dev_warn(&card
->gdev
->dev
, "Enabling broadcast filtering for "
1264 "%s failed\n", QETH_CARD_IFNAME(card
));
1268 rc
= qeth_send_simple_setassparms(card
, IPA_FILTERING
,
1269 IPA_CMD_ASS_CONFIGURE
, 1);
1271 dev_warn(&card
->gdev
->dev
,
1272 "Setting up broadcast filtering for %s failed\n",
1273 QETH_CARD_IFNAME(card
));
1276 card
->info
.broadcast_capable
= QETH_BROADCAST_WITH_ECHO
;
1277 dev_info(&card
->gdev
->dev
, "Broadcast enabled\n");
1278 rc
= qeth_send_simple_setassparms(card
, IPA_FILTERING
,
1279 IPA_CMD_ASS_ENABLE
, 1);
1281 dev_warn(&card
->gdev
->dev
, "Setting up broadcast echo "
1282 "filtering for %s failed\n", QETH_CARD_IFNAME(card
));
1285 card
->info
.broadcast_capable
= QETH_BROADCAST_WITHOUT_ECHO
;
1287 if (card
->info
.broadcast_capable
)
1288 card
->dev
->flags
|= IFF_BROADCAST
;
1290 card
->dev
->flags
&= ~IFF_BROADCAST
;
1294 static void qeth_l3_start_ipa_checksum(struct qeth_card
*card
)
1296 QETH_CARD_TEXT(card
, 3, "strtcsum");
1297 if (qeth_is_supported(card
, IPA_INBOUND_CHECKSUM
)
1298 && (card
->dev
->features
& NETIF_F_RXCSUM
))
1299 qeth_set_rx_csum(card
, 1);
1302 static void qeth_l3_start_ipa_tx_checksum(struct qeth_card
*card
)
1304 QETH_CARD_TEXT(card
, 3, "strttxcs");
1305 qeth_start_ipa_tx_checksum(card
);
1308 static int qeth_l3_start_ipa_tso(struct qeth_card
*card
)
1312 QETH_CARD_TEXT(card
, 3, "sttso");
1314 if (!qeth_is_supported(card
, IPA_OUTBOUND_TSO
)) {
1315 dev_info(&card
->gdev
->dev
,
1316 "Outbound TSO not supported on %s\n",
1317 QETH_CARD_IFNAME(card
));
1320 rc
= qeth_send_simple_setassparms(card
, IPA_OUTBOUND_TSO
,
1321 IPA_CMD_ASS_START
, 0);
1323 dev_warn(&card
->gdev
->dev
, "Starting outbound TCP "
1324 "segmentation offload for %s failed\n",
1325 QETH_CARD_IFNAME(card
));
1327 dev_info(&card
->gdev
->dev
,
1328 "Outbound TSO enabled\n");
1331 card
->dev
->features
&= ~NETIF_F_TSO
;
1335 static int qeth_l3_start_ipassists(struct qeth_card
*card
)
1337 QETH_CARD_TEXT(card
, 3, "strtipas");
1339 if (qeth_set_access_ctrl_online(card
, 0))
1341 qeth_l3_start_ipa_arp_processing(card
); /* go on*/
1342 qeth_l3_start_ipa_ip_fragmentation(card
); /* go on*/
1343 qeth_l3_start_ipa_source_mac(card
); /* go on*/
1344 qeth_l3_start_ipa_vlan(card
); /* go on*/
1345 qeth_l3_start_ipa_multicast(card
); /* go on*/
1346 qeth_l3_start_ipa_ipv6(card
); /* go on*/
1347 qeth_l3_start_ipa_broadcast(card
); /* go on*/
1348 qeth_l3_start_ipa_checksum(card
); /* go on*/
1349 qeth_l3_start_ipa_tx_checksum(card
);
1350 qeth_l3_start_ipa_tso(card
); /* go on*/
1354 static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card
*card
,
1355 struct qeth_reply
*reply
, unsigned long data
)
1357 struct qeth_ipa_cmd
*cmd
;
1359 cmd
= (struct qeth_ipa_cmd
*) data
;
1360 if (cmd
->hdr
.return_code
== 0)
1361 memcpy(card
->dev
->dev_addr
,
1362 cmd
->data
.create_destroy_addr
.unique_id
, ETH_ALEN
);
1364 eth_random_addr(card
->dev
->dev_addr
);
1369 static int qeth_l3_iqd_read_initial_mac(struct qeth_card
*card
)
1372 struct qeth_cmd_buffer
*iob
;
1373 struct qeth_ipa_cmd
*cmd
;
1375 QETH_DBF_TEXT(SETUP
, 2, "hsrmac");
1377 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_CREATE_ADDR
,
1381 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
1382 *((__u16
*) &cmd
->data
.create_destroy_addr
.unique_id
[6]) =
1383 card
->info
.unique_id
;
1385 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_l3_iqd_read_initial_mac_cb
,
1390 static int qeth_l3_get_unique_id_cb(struct qeth_card
*card
,
1391 struct qeth_reply
*reply
, unsigned long data
)
1393 struct qeth_ipa_cmd
*cmd
;
1395 cmd
= (struct qeth_ipa_cmd
*) data
;
1396 if (cmd
->hdr
.return_code
== 0)
1397 card
->info
.unique_id
= *((__u16
*)
1398 &cmd
->data
.create_destroy_addr
.unique_id
[6]);
1400 card
->info
.unique_id
= UNIQUE_ID_IF_CREATE_ADDR_FAILED
|
1401 UNIQUE_ID_NOT_BY_CARD
;
1402 dev_warn(&card
->gdev
->dev
, "The network adapter failed to "
1403 "generate a unique ID\n");
1408 static int qeth_l3_get_unique_id(struct qeth_card
*card
)
1411 struct qeth_cmd_buffer
*iob
;
1412 struct qeth_ipa_cmd
*cmd
;
1414 QETH_DBF_TEXT(SETUP
, 2, "guniqeid");
1416 if (!qeth_is_supported(card
, IPA_IPV6
)) {
1417 card
->info
.unique_id
= UNIQUE_ID_IF_CREATE_ADDR_FAILED
|
1418 UNIQUE_ID_NOT_BY_CARD
;
1422 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_CREATE_ADDR
,
1426 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
1427 *((__u16
*) &cmd
->data
.create_destroy_addr
.unique_id
[6]) =
1428 card
->info
.unique_id
;
1430 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_l3_get_unique_id_cb
, NULL
);
1435 qeth_diags_trace_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1438 struct qeth_ipa_cmd
*cmd
;
1441 QETH_DBF_TEXT(SETUP
, 2, "diastrcb");
1443 cmd
= (struct qeth_ipa_cmd
*)data
;
1444 rc
= cmd
->hdr
.return_code
;
1446 QETH_CARD_TEXT_(card
, 2, "dxter%x", rc
);
1447 switch (cmd
->data
.diagass
.action
) {
1448 case QETH_DIAGS_CMD_TRACE_QUERY
:
1450 case QETH_DIAGS_CMD_TRACE_DISABLE
:
1453 case IPA_RC_INVALID_SUBCMD
:
1454 card
->info
.promisc_mode
= SET_PROMISC_MODE_OFF
;
1455 dev_info(&card
->gdev
->dev
, "The HiperSockets network "
1456 "traffic analyzer is deactivated\n");
1462 case QETH_DIAGS_CMD_TRACE_ENABLE
:
1465 card
->info
.promisc_mode
= SET_PROMISC_MODE_ON
;
1466 dev_info(&card
->gdev
->dev
, "The HiperSockets network "
1467 "traffic analyzer is activated\n");
1469 case IPA_RC_HARDWARE_AUTH_ERROR
:
1470 dev_warn(&card
->gdev
->dev
, "The device is not "
1471 "authorized to run as a HiperSockets network "
1472 "traffic analyzer\n");
1474 case IPA_RC_TRACE_ALREADY_ACTIVE
:
1475 dev_warn(&card
->gdev
->dev
, "A HiperSockets "
1476 "network traffic analyzer is already "
1477 "active in the HiperSockets LAN\n");
1484 QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n",
1485 cmd
->data
.diagass
.action
, QETH_CARD_IFNAME(card
));
1492 qeth_diags_trace(struct qeth_card
*card
, enum qeth_diags_trace_cmds diags_cmd
)
1494 struct qeth_cmd_buffer
*iob
;
1495 struct qeth_ipa_cmd
*cmd
;
1497 QETH_DBF_TEXT(SETUP
, 2, "diagtrac");
1499 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SET_DIAG_ASS
, 0);
1502 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
1503 cmd
->data
.diagass
.subcmd_len
= 16;
1504 cmd
->data
.diagass
.subcmd
= QETH_DIAGS_CMD_TRACE
;
1505 cmd
->data
.diagass
.type
= QETH_DIAGS_TYPE_HIPERSOCKET
;
1506 cmd
->data
.diagass
.action
= diags_cmd
;
1507 return qeth_send_ipa_cmd(card
, iob
, qeth_diags_trace_cb
, NULL
);
1510 static void qeth_l3_get_mac_for_ipm(__u32 ipm
, char *mac
,
1511 struct net_device
*dev
)
1513 ip_eth_mc_map(ipm
, mac
);
1516 static void qeth_l3_add_mc(struct qeth_card
*card
, struct in_device
*in4_dev
)
1518 struct qeth_ipaddr
*ipm
;
1519 struct ip_mc_list
*im4
;
1520 char buf
[MAX_ADDR_LEN
];
1522 QETH_CARD_TEXT(card
, 4, "addmc");
1523 for (im4
= rcu_dereference(in4_dev
->mc_list
); im4
!= NULL
;
1524 im4
= rcu_dereference(im4
->next_rcu
)) {
1525 qeth_l3_get_mac_for_ipm(im4
->multiaddr
, buf
, in4_dev
->dev
);
1526 ipm
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
1529 ipm
->u
.a4
.addr
= im4
->multiaddr
;
1530 memcpy(ipm
->mac
, buf
, OSA_ADDR_LEN
);
1531 ipm
->is_multicast
= 1;
1532 if (!qeth_l3_add_ip(card
, ipm
))
1537 /* called with rcu_read_lock */
1538 static void qeth_l3_add_vlan_mc(struct qeth_card
*card
)
1540 struct in_device
*in_dev
;
1543 QETH_CARD_TEXT(card
, 4, "addmcvl");
1544 if (!qeth_is_supported(card
, IPA_FULL_VLAN
))
1547 for_each_set_bit(vid
, card
->active_vlans
, VLAN_N_VID
) {
1548 struct net_device
*netdev
;
1550 netdev
= __vlan_find_dev_deep_rcu(card
->dev
, htons(ETH_P_8021Q
),
1552 if (netdev
== NULL
||
1553 !(netdev
->flags
& IFF_UP
))
1555 in_dev
= __in_dev_get_rcu(netdev
);
1558 qeth_l3_add_mc(card
, in_dev
);
1562 static void qeth_l3_add_multicast_ipv4(struct qeth_card
*card
)
1564 struct in_device
*in4_dev
;
1566 QETH_CARD_TEXT(card
, 4, "chkmcv4");
1568 in4_dev
= __in_dev_get_rcu(card
->dev
);
1569 if (in4_dev
== NULL
)
1571 qeth_l3_add_mc(card
, in4_dev
);
1572 qeth_l3_add_vlan_mc(card
);
1577 #ifdef CONFIG_QETH_IPV6
1578 static void qeth_l3_add_mc6(struct qeth_card
*card
, struct inet6_dev
*in6_dev
)
1580 struct qeth_ipaddr
*ipm
;
1581 struct ifmcaddr6
*im6
;
1582 char buf
[MAX_ADDR_LEN
];
1584 QETH_CARD_TEXT(card
, 4, "addmc6");
1585 for (im6
= in6_dev
->mc_list
; im6
!= NULL
; im6
= im6
->next
) {
1586 ndisc_mc_map(&im6
->mca_addr
, buf
, in6_dev
->dev
, 0);
1587 ipm
= qeth_l3_get_addr_buffer(QETH_PROT_IPV6
);
1590 ipm
->is_multicast
= 1;
1591 memcpy(ipm
->mac
, buf
, OSA_ADDR_LEN
);
1592 memcpy(&ipm
->u
.a6
.addr
, &im6
->mca_addr
.s6_addr
,
1593 sizeof(struct in6_addr
));
1594 if (!qeth_l3_add_ip(card
, ipm
))
1599 /* called with rcu_read_lock */
1600 static void qeth_l3_add_vlan_mc6(struct qeth_card
*card
)
1602 struct inet6_dev
*in_dev
;
1605 QETH_CARD_TEXT(card
, 4, "admc6vl");
1606 if (!qeth_is_supported(card
, IPA_FULL_VLAN
))
1609 for_each_set_bit(vid
, card
->active_vlans
, VLAN_N_VID
) {
1610 struct net_device
*netdev
;
1612 netdev
= __vlan_find_dev_deep_rcu(card
->dev
, htons(ETH_P_8021Q
),
1614 if (netdev
== NULL
||
1615 !(netdev
->flags
& IFF_UP
))
1617 in_dev
= in6_dev_get(netdev
);
1620 read_lock_bh(&in_dev
->lock
);
1621 qeth_l3_add_mc6(card
, in_dev
);
1622 read_unlock_bh(&in_dev
->lock
);
1623 in6_dev_put(in_dev
);
1627 static void qeth_l3_add_multicast_ipv6(struct qeth_card
*card
)
1629 struct inet6_dev
*in6_dev
;
1631 QETH_CARD_TEXT(card
, 4, "chkmcv6");
1632 if (!qeth_is_supported(card
, IPA_IPV6
))
1634 in6_dev
= in6_dev_get(card
->dev
);
1635 if (in6_dev
== NULL
)
1638 read_lock_bh(&in6_dev
->lock
);
1639 qeth_l3_add_mc6(card
, in6_dev
);
1640 qeth_l3_add_vlan_mc6(card
);
1641 read_unlock_bh(&in6_dev
->lock
);
1643 in6_dev_put(in6_dev
);
1645 #endif /* CONFIG_QETH_IPV6 */
1647 static void qeth_l3_free_vlan_addresses4(struct qeth_card
*card
,
1650 struct in_device
*in_dev
;
1651 struct in_ifaddr
*ifa
;
1652 struct qeth_ipaddr
*addr
;
1653 struct net_device
*netdev
;
1655 QETH_CARD_TEXT(card
, 4, "frvaddr4");
1657 netdev
= __vlan_find_dev_deep_rcu(card
->dev
, htons(ETH_P_8021Q
), vid
);
1660 in_dev
= in_dev_get(netdev
);
1663 for (ifa
= in_dev
->ifa_list
; ifa
; ifa
= ifa
->ifa_next
) {
1664 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
1666 addr
->u
.a4
.addr
= ifa
->ifa_address
;
1667 addr
->u
.a4
.mask
= ifa
->ifa_mask
;
1668 addr
->type
= QETH_IP_TYPE_NORMAL
;
1669 if (!qeth_l3_delete_ip(card
, addr
))
1676 static void qeth_l3_free_vlan_addresses6(struct qeth_card
*card
,
1679 #ifdef CONFIG_QETH_IPV6
1680 struct inet6_dev
*in6_dev
;
1681 struct inet6_ifaddr
*ifa
;
1682 struct qeth_ipaddr
*addr
;
1683 struct net_device
*netdev
;
1685 QETH_CARD_TEXT(card
, 4, "frvaddr6");
1687 netdev
= __vlan_find_dev_deep_rcu(card
->dev
, htons(ETH_P_8021Q
), vid
);
1690 in6_dev
= in6_dev_get(netdev
);
1693 list_for_each_entry(ifa
, &in6_dev
->addr_list
, if_list
) {
1694 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV6
);
1696 memcpy(&addr
->u
.a6
.addr
, &ifa
->addr
,
1697 sizeof(struct in6_addr
));
1698 addr
->u
.a6
.pfxlen
= ifa
->prefix_len
;
1699 addr
->type
= QETH_IP_TYPE_NORMAL
;
1700 if (!qeth_l3_delete_ip(card
, addr
))
1704 in6_dev_put(in6_dev
);
1705 #endif /* CONFIG_QETH_IPV6 */
1708 static void qeth_l3_free_vlan_addresses(struct qeth_card
*card
,
1712 qeth_l3_free_vlan_addresses4(card
, vid
);
1713 qeth_l3_free_vlan_addresses6(card
, vid
);
1717 static int qeth_l3_vlan_rx_add_vid(struct net_device
*dev
,
1718 __be16 proto
, u16 vid
)
1720 struct qeth_card
*card
= dev
->ml_priv
;
1722 set_bit(vid
, card
->active_vlans
);
1726 static int qeth_l3_vlan_rx_kill_vid(struct net_device
*dev
,
1727 __be16 proto
, u16 vid
)
1729 struct qeth_card
*card
= dev
->ml_priv
;
1730 unsigned long flags
;
1732 QETH_CARD_TEXT_(card
, 4, "kid:%d", vid
);
1733 if (qeth_wait_for_threads(card
, QETH_RECOVER_THREAD
)) {
1734 QETH_CARD_TEXT(card
, 3, "kidREC");
1737 spin_lock_irqsave(&card
->vlanlock
, flags
);
1738 /* unregister IP addresses of vlan device */
1739 qeth_l3_free_vlan_addresses(card
, vid
);
1740 clear_bit(vid
, card
->active_vlans
);
1741 spin_unlock_irqrestore(&card
->vlanlock
, flags
);
1742 qeth_l3_set_multicast_list(card
->dev
);
1746 static inline int qeth_l3_rebuild_skb(struct qeth_card
*card
,
1747 struct sk_buff
*skb
, struct qeth_hdr
*hdr
,
1748 unsigned short *vlan_id
)
1751 struct iphdr
*ip_hdr
;
1752 unsigned char tg_addr
[MAX_ADDR_LEN
];
1755 if (!(hdr
->hdr
.l3
.flags
& QETH_HDR_PASSTHRU
)) {
1756 prot
= htons((hdr
->hdr
.l3
.flags
& QETH_HDR_IPV6
)? ETH_P_IPV6
:
1758 switch (hdr
->hdr
.l3
.flags
& QETH_HDR_CAST_MASK
) {
1759 case QETH_CAST_MULTICAST
:
1761 #ifdef CONFIG_QETH_IPV6
1762 case __constant_htons(ETH_P_IPV6
):
1763 ndisc_mc_map((struct in6_addr
*)
1765 tg_addr
, card
->dev
, 0);
1768 case __constant_htons(ETH_P_IP
):
1769 ip_hdr
= (struct iphdr
*)skb
->data
;
1770 ip_eth_mc_map(ip_hdr
->daddr
, tg_addr
);
1773 memcpy(tg_addr
, card
->dev
->broadcast
,
1774 card
->dev
->addr_len
);
1776 card
->stats
.multicast
++;
1777 skb
->pkt_type
= PACKET_MULTICAST
;
1779 case QETH_CAST_BROADCAST
:
1780 memcpy(tg_addr
, card
->dev
->broadcast
,
1781 card
->dev
->addr_len
);
1782 card
->stats
.multicast
++;
1783 skb
->pkt_type
= PACKET_BROADCAST
;
1785 case QETH_CAST_UNICAST
:
1786 case QETH_CAST_ANYCAST
:
1787 case QETH_CAST_NOCAST
:
1789 if (card
->options
.sniffer
)
1790 skb
->pkt_type
= PACKET_OTHERHOST
;
1792 skb
->pkt_type
= PACKET_HOST
;
1793 memcpy(tg_addr
, card
->dev
->dev_addr
,
1794 card
->dev
->addr_len
);
1796 if (hdr
->hdr
.l3
.ext_flags
& QETH_HDR_EXT_SRC_MAC_ADDR
)
1797 card
->dev
->header_ops
->create(skb
, card
->dev
, prot
,
1798 tg_addr
, &hdr
->hdr
.l3
.dest_addr
[2],
1799 card
->dev
->addr_len
);
1801 card
->dev
->header_ops
->create(skb
, card
->dev
, prot
,
1802 tg_addr
, "FAKELL", card
->dev
->addr_len
);
1805 skb
->protocol
= eth_type_trans(skb
, card
->dev
);
1807 if (hdr
->hdr
.l3
.ext_flags
&
1808 (QETH_HDR_EXT_VLAN_FRAME
| QETH_HDR_EXT_INCLUDE_VLAN_TAG
)) {
1809 *vlan_id
= (hdr
->hdr
.l3
.ext_flags
& QETH_HDR_EXT_VLAN_FRAME
) ?
1810 hdr
->hdr
.l3
.vlan_id
: *((u16
*)&hdr
->hdr
.l3
.dest_addr
[12]);
1814 if (card
->dev
->features
& NETIF_F_RXCSUM
) {
1815 if ((hdr
->hdr
.l3
.ext_flags
&
1816 (QETH_HDR_EXT_CSUM_HDR_REQ
|
1817 QETH_HDR_EXT_CSUM_TRANSP_REQ
)) ==
1818 (QETH_HDR_EXT_CSUM_HDR_REQ
|
1819 QETH_HDR_EXT_CSUM_TRANSP_REQ
))
1820 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1822 skb
->ip_summed
= CHECKSUM_NONE
;
1824 skb
->ip_summed
= CHECKSUM_NONE
;
1828 static int qeth_l3_process_inbound_buffer(struct qeth_card
*card
,
1829 int budget
, int *done
)
1832 struct sk_buff
*skb
;
1833 struct qeth_hdr
*hdr
;
1840 WARN_ON_ONCE(!budget
);
1842 skb
= qeth_core_get_next_skb(card
,
1843 &card
->qdio
.in_q
->bufs
[card
->rx
.b_index
],
1844 &card
->rx
.b_element
, &card
->rx
.e_offset
, &hdr
);
1849 skb
->dev
= card
->dev
;
1850 switch (hdr
->hdr
.l3
.id
) {
1851 case QETH_HEADER_TYPE_LAYER3
:
1852 magic
= *(__u16
*)skb
->data
;
1853 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) &&
1854 (magic
== ETH_P_AF_IUCV
)) {
1855 skb
->protocol
= ETH_P_AF_IUCV
;
1856 skb
->pkt_type
= PACKET_HOST
;
1857 skb
->mac_header
= NET_SKB_PAD
;
1858 skb
->dev
= card
->dev
;
1860 card
->dev
->header_ops
->create(skb
, card
->dev
, 0,
1861 card
->dev
->dev_addr
, "FAKELL",
1862 card
->dev
->addr_len
);
1863 netif_receive_skb(skb
);
1865 is_vlan
= qeth_l3_rebuild_skb(card
, skb
, hdr
,
1868 if (is_vlan
&& !card
->options
.sniffer
)
1869 __vlan_hwaccel_put_tag(skb
,
1870 htons(ETH_P_8021Q
), vlan_tag
);
1871 napi_gro_receive(&card
->napi
, skb
);
1874 case QETH_HEADER_TYPE_LAYER2
: /* for HiperSockets sniffer */
1875 skb
->pkt_type
= PACKET_HOST
;
1876 skb
->protocol
= eth_type_trans(skb
, skb
->dev
);
1878 netif_receive_skb(skb
);
1881 dev_kfree_skb_any(skb
);
1882 QETH_CARD_TEXT(card
, 3, "inbunkno");
1883 QETH_DBF_HEX(CTRL
, 3, hdr
, QETH_DBF_CTRL_LEN
);
1888 card
->stats
.rx_packets
++;
1889 card
->stats
.rx_bytes
+= len
;
1894 static int qeth_l3_poll(struct napi_struct
*napi
, int budget
)
1896 struct qeth_card
*card
= container_of(napi
, struct qeth_card
, napi
);
1898 struct qeth_qdio_buffer
*buffer
;
1900 int new_budget
= budget
;
1902 if (card
->options
.performance_stats
) {
1903 card
->perf_stats
.inbound_cnt
++;
1904 card
->perf_stats
.inbound_start_time
= qeth_get_micros();
1908 if (!card
->rx
.b_count
) {
1909 card
->rx
.qdio_err
= 0;
1910 card
->rx
.b_count
= qdio_get_next_buffers(
1911 card
->data
.ccwdev
, 0, &card
->rx
.b_index
,
1912 &card
->rx
.qdio_err
);
1913 if (card
->rx
.b_count
<= 0) {
1914 card
->rx
.b_count
= 0;
1917 card
->rx
.b_element
=
1918 &card
->qdio
.in_q
->bufs
[card
->rx
.b_index
]
1919 .buffer
->element
[0];
1920 card
->rx
.e_offset
= 0;
1923 while (card
->rx
.b_count
) {
1924 buffer
= &card
->qdio
.in_q
->bufs
[card
->rx
.b_index
];
1925 if (!(card
->rx
.qdio_err
&&
1926 qeth_check_qdio_errors(card
, buffer
->buffer
,
1927 card
->rx
.qdio_err
, "qinerr")))
1928 work_done
+= qeth_l3_process_inbound_buffer(
1929 card
, new_budget
, &done
);
1934 if (card
->options
.performance_stats
)
1935 card
->perf_stats
.bufs_rec
++;
1936 qeth_put_buffer_pool_entry(card
,
1937 buffer
->pool_entry
);
1938 qeth_queue_input_buffer(card
, card
->rx
.b_index
);
1940 if (card
->rx
.b_count
) {
1942 (card
->rx
.b_index
+ 1) %
1943 QDIO_MAX_BUFFERS_PER_Q
;
1944 card
->rx
.b_element
=
1946 ->bufs
[card
->rx
.b_index
]
1947 .buffer
->element
[0];
1948 card
->rx
.e_offset
= 0;
1952 if (work_done
>= budget
)
1955 new_budget
= budget
- work_done
;
1959 napi_complete(napi
);
1960 if (qdio_start_irq(card
->data
.ccwdev
, 0))
1961 napi_schedule(&card
->napi
);
1963 if (card
->options
.performance_stats
)
1964 card
->perf_stats
.inbound_time
+= qeth_get_micros() -
1965 card
->perf_stats
.inbound_start_time
;
1969 static int qeth_l3_verify_vlan_dev(struct net_device
*dev
,
1970 struct qeth_card
*card
)
1975 for_each_set_bit(vid
, card
->active_vlans
, VLAN_N_VID
) {
1976 struct net_device
*netdev
;
1979 netdev
= __vlan_find_dev_deep_rcu(card
->dev
, htons(ETH_P_8021Q
),
1982 if (netdev
== dev
) {
1983 rc
= QETH_VLAN_CARD
;
1988 if (rc
&& !(vlan_dev_real_dev(dev
)->ml_priv
== (void *)card
))
1994 static int qeth_l3_verify_dev(struct net_device
*dev
)
1996 struct qeth_card
*card
;
1997 unsigned long flags
;
2000 read_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
2001 list_for_each_entry(card
, &qeth_core_card_list
.list
, list
) {
2002 if (card
->dev
== dev
) {
2003 rc
= QETH_REAL_CARD
;
2006 rc
= qeth_l3_verify_vlan_dev(dev
, card
);
2010 read_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
2015 static struct qeth_card
*qeth_l3_get_card_from_dev(struct net_device
*dev
)
2017 struct qeth_card
*card
= NULL
;
2020 rc
= qeth_l3_verify_dev(dev
);
2021 if (rc
== QETH_REAL_CARD
)
2022 card
= dev
->ml_priv
;
2023 else if (rc
== QETH_VLAN_CARD
)
2024 card
= vlan_dev_real_dev(dev
)->ml_priv
;
2025 if (card
&& card
->options
.layer2
)
2028 QETH_CARD_TEXT_(card
, 4, "%d", rc
);
2032 static void qeth_l3_stop_card(struct qeth_card
*card
, int recovery_mode
)
2034 QETH_DBF_TEXT(SETUP
, 2, "stopcard");
2035 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
2037 qeth_set_allowed_threads(card
, 0, 1);
2038 if (card
->options
.sniffer
&&
2039 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
))
2040 qeth_diags_trace(card
, QETH_DIAGS_CMD_TRACE_DISABLE
);
2041 if (card
->read
.state
== CH_STATE_UP
&&
2042 card
->write
.state
== CH_STATE_UP
&&
2043 (card
->state
== CARD_STATE_UP
)) {
2045 qeth_l3_stop(card
->dev
);
2048 dev_close(card
->dev
);
2051 card
->state
= CARD_STATE_SOFTSETUP
;
2053 if (card
->state
== CARD_STATE_SOFTSETUP
) {
2054 qeth_l3_clear_ip_list(card
, 1);
2055 qeth_clear_ipacmd_list(card
);
2056 card
->state
= CARD_STATE_HARDSETUP
;
2058 if (card
->state
== CARD_STATE_HARDSETUP
) {
2059 qeth_qdio_clear_card(card
, 0);
2060 qeth_clear_qdio_buffers(card
);
2061 qeth_clear_working_pool_list(card
);
2062 card
->state
= CARD_STATE_DOWN
;
2064 if (card
->state
== CARD_STATE_DOWN
) {
2065 qeth_clear_cmd_buffers(&card
->read
);
2066 qeth_clear_cmd_buffers(&card
->write
);
2071 * test for and Switch promiscuous mode (on or off)
2072 * either for guestlan or HiperSocket Sniffer
2075 qeth_l3_handle_promisc_mode(struct qeth_card
*card
)
2077 struct net_device
*dev
= card
->dev
;
2079 if (((dev
->flags
& IFF_PROMISC
) &&
2080 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
)) ||
2081 (!(dev
->flags
& IFF_PROMISC
) &&
2082 (card
->info
.promisc_mode
== SET_PROMISC_MODE_OFF
)))
2085 if (card
->info
.guestlan
) { /* Guestlan trace */
2086 if (qeth_adp_supported(card
, IPA_SETADP_SET_PROMISC_MODE
))
2087 qeth_setadp_promisc_mode(card
);
2088 } else if (card
->options
.sniffer
&& /* HiperSockets trace */
2089 qeth_adp_supported(card
, IPA_SETADP_SET_DIAG_ASSIST
)) {
2090 if (dev
->flags
& IFF_PROMISC
) {
2091 QETH_CARD_TEXT(card
, 3, "+promisc");
2092 qeth_diags_trace(card
, QETH_DIAGS_CMD_TRACE_ENABLE
);
2094 QETH_CARD_TEXT(card
, 3, "-promisc");
2095 qeth_diags_trace(card
, QETH_DIAGS_CMD_TRACE_DISABLE
);
2100 static void qeth_l3_set_multicast_list(struct net_device
*dev
)
2102 struct qeth_card
*card
= dev
->ml_priv
;
2104 QETH_CARD_TEXT(card
, 3, "setmulti");
2105 if (qeth_threads_running(card
, QETH_RECOVER_THREAD
) &&
2106 (card
->state
!= CARD_STATE_UP
))
2108 if (!card
->options
.sniffer
) {
2109 qeth_l3_delete_mc_addresses(card
);
2110 qeth_l3_add_multicast_ipv4(card
);
2111 #ifdef CONFIG_QETH_IPV6
2112 qeth_l3_add_multicast_ipv6(card
);
2114 qeth_l3_set_ip_addr_list(card
);
2115 if (!qeth_adp_supported(card
, IPA_SETADP_SET_PROMISC_MODE
))
2118 qeth_l3_handle_promisc_mode(card
);
2121 static const char *qeth_l3_arp_get_error_cause(int *rc
)
2124 case QETH_IPA_ARP_RC_FAILED
:
2126 return "operation failed";
2127 case QETH_IPA_ARP_RC_NOTSUPP
:
2129 return "operation not supported";
2130 case QETH_IPA_ARP_RC_OUT_OF_RANGE
:
2132 return "argument out of range";
2133 case QETH_IPA_ARP_RC_Q_NOTSUPP
:
2135 return "query operation not supported";
2136 case QETH_IPA_ARP_RC_Q_NO_DATA
:
2138 return "no query data available";
2140 return "unknown error";
2144 static int qeth_l3_arp_set_no_entries(struct qeth_card
*card
, int no_entries
)
2149 QETH_CARD_TEXT(card
, 3, "arpstnoe");
2152 * currently GuestLAN only supports the ARP assist function
2153 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
2154 * thus we say EOPNOTSUPP for this ARP function
2156 if (card
->info
.guestlan
)
2158 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2161 rc
= qeth_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
2162 IPA_CMD_ASS_ARP_SET_NO_ENTRIES
,
2166 QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on "
2167 "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card
),
2168 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2173 static __u32
get_arp_entry_size(struct qeth_card
*card
,
2174 struct qeth_arp_query_data
*qdata
,
2175 struct qeth_arp_entrytype
*type
, __u8 strip_entries
)
2180 is_hsi
= qdata
->reply_bits
== 5;
2181 if (type
->ip
== QETHARP_IP_ADDR_V4
) {
2182 QETH_CARD_TEXT(card
, 4, "arpev4");
2183 if (strip_entries
) {
2184 rc
= is_hsi
? sizeof(struct qeth_arp_qi_entry5_short
) :
2185 sizeof(struct qeth_arp_qi_entry7_short
);
2187 rc
= is_hsi
? sizeof(struct qeth_arp_qi_entry5
) :
2188 sizeof(struct qeth_arp_qi_entry7
);
2190 } else if (type
->ip
== QETHARP_IP_ADDR_V6
) {
2191 QETH_CARD_TEXT(card
, 4, "arpev6");
2192 if (strip_entries
) {
2194 sizeof(struct qeth_arp_qi_entry5_short_ipv6
) :
2195 sizeof(struct qeth_arp_qi_entry7_short_ipv6
);
2198 sizeof(struct qeth_arp_qi_entry5_ipv6
) :
2199 sizeof(struct qeth_arp_qi_entry7_ipv6
);
2202 QETH_CARD_TEXT(card
, 4, "arpinv");
2209 static int arpentry_matches_prot(struct qeth_arp_entrytype
*type
, __u16 prot
)
2211 return (type
->ip
== QETHARP_IP_ADDR_V4
&& prot
== QETH_PROT_IPV4
) ||
2212 (type
->ip
== QETHARP_IP_ADDR_V6
&& prot
== QETH_PROT_IPV6
);
2215 static int qeth_l3_arp_query_cb(struct qeth_card
*card
,
2216 struct qeth_reply
*reply
, unsigned long data
)
2218 struct qeth_ipa_cmd
*cmd
;
2219 struct qeth_arp_query_data
*qdata
;
2220 struct qeth_arp_query_info
*qinfo
;
2223 int entrybytes_done
;
2225 __u8 do_strip_entries
;
2227 QETH_CARD_TEXT(card
, 3, "arpquecb");
2229 qinfo
= (struct qeth_arp_query_info
*) reply
->param
;
2230 cmd
= (struct qeth_ipa_cmd
*) data
;
2231 QETH_CARD_TEXT_(card
, 4, "%i", cmd
->hdr
.prot_version
);
2232 if (cmd
->hdr
.return_code
) {
2233 QETH_CARD_TEXT(card
, 4, "arpcberr");
2234 QETH_CARD_TEXT_(card
, 4, "%i", cmd
->hdr
.return_code
);
2237 if (cmd
->data
.setassparms
.hdr
.return_code
) {
2238 cmd
->hdr
.return_code
= cmd
->data
.setassparms
.hdr
.return_code
;
2239 QETH_CARD_TEXT(card
, 4, "setaperr");
2240 QETH_CARD_TEXT_(card
, 4, "%i", cmd
->hdr
.return_code
);
2243 qdata
= &cmd
->data
.setassparms
.data
.query_arp
;
2244 QETH_CARD_TEXT_(card
, 4, "anoen%i", qdata
->no_entries
);
2246 do_strip_entries
= (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
) > 0;
2247 stripped_bytes
= do_strip_entries
? QETH_QARP_MEDIASPECIFIC_BYTES
: 0;
2248 entrybytes_done
= 0;
2249 for (e
= 0; e
< qdata
->no_entries
; ++e
) {
2252 struct qeth_arp_entrytype
*etype
;
2254 cur_entry
= &qdata
->data
+ entrybytes_done
;
2255 etype
= &((struct qeth_arp_qi_entry5
*) cur_entry
)->type
;
2256 if (!arpentry_matches_prot(etype
, cmd
->hdr
.prot_version
)) {
2257 QETH_CARD_TEXT(card
, 4, "pmis");
2258 QETH_CARD_TEXT_(card
, 4, "%i", etype
->ip
);
2261 esize
= get_arp_entry_size(card
, qdata
, etype
,
2263 QETH_CARD_TEXT_(card
, 5, "esz%i", esize
);
2267 if ((qinfo
->udata_len
- qinfo
->udata_offset
) < esize
) {
2268 QETH_CARD_TEXT_(card
, 4, "qaer3%i", -ENOMEM
);
2269 cmd
->hdr
.return_code
= IPA_RC_ENOMEM
;
2273 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
2274 &qdata
->data
+ entrybytes_done
+ stripped_bytes
,
2276 entrybytes_done
+= esize
+ stripped_bytes
;
2277 qinfo
->udata_offset
+= esize
;
2278 ++qinfo
->no_entries
;
2280 /* check if all replies received ... */
2281 if (cmd
->data
.setassparms
.hdr
.seq_no
<
2282 cmd
->data
.setassparms
.hdr
.number_of_replies
)
2284 QETH_CARD_TEXT_(card
, 4, "nove%i", qinfo
->no_entries
);
2285 memcpy(qinfo
->udata
, &qinfo
->no_entries
, 4);
2286 /* keep STRIP_ENTRIES flag so the user program can distinguish
2287 * stripped entries from normal ones */
2288 if (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
)
2289 qdata
->reply_bits
|= QETH_QARP_STRIP_ENTRIES
;
2290 memcpy(qinfo
->udata
+ QETH_QARP_MASK_OFFSET
, &qdata
->reply_bits
, 2);
2291 QETH_CARD_TEXT_(card
, 4, "rc%i", 0);
2295 memcpy(qinfo
->udata
, &i
, 4);
2299 static int qeth_l3_send_ipa_arp_cmd(struct qeth_card
*card
,
2300 struct qeth_cmd_buffer
*iob
, int len
,
2301 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
2305 QETH_CARD_TEXT(card
, 4, "sendarp");
2307 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
2308 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
2309 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2310 return qeth_send_control_data(card
, IPA_PDU_HEADER_SIZE
+ len
, iob
,
2311 reply_cb
, reply_param
);
2314 static int qeth_l3_query_arp_cache_info(struct qeth_card
*card
,
2315 enum qeth_prot_versions prot
,
2316 struct qeth_arp_query_info
*qinfo
)
2318 struct qeth_cmd_buffer
*iob
;
2319 struct qeth_ipa_cmd
*cmd
;
2323 QETH_CARD_TEXT_(card
, 3, "qarpipv%i", prot
);
2325 iob
= qeth_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
2326 IPA_CMD_ASS_ARP_QUERY_INFO
,
2327 sizeof(struct qeth_arp_query_data
)
2332 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2333 cmd
->data
.setassparms
.data
.query_arp
.request_bits
= 0x000F;
2334 cmd
->data
.setassparms
.data
.query_arp
.reply_bits
= 0;
2335 cmd
->data
.setassparms
.data
.query_arp
.no_entries
= 0;
2336 rc
= qeth_l3_send_ipa_arp_cmd(card
, iob
,
2337 QETH_SETASS_BASE_LEN
+QETH_ARP_CMD_LEN
,
2338 qeth_l3_arp_query_cb
, (void *)qinfo
);
2342 "Error while querying ARP cache on %s: %s "
2343 "(0x%x/%d)\n", QETH_CARD_IFNAME(card
),
2344 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2350 static int qeth_l3_arp_query(struct qeth_card
*card
, char __user
*udata
)
2352 struct qeth_arp_query_info qinfo
= {0, };
2355 QETH_CARD_TEXT(card
, 3, "arpquery");
2357 if (!qeth_is_supported(card
,/*IPA_QUERY_ARP_ADDR_INFO*/
2358 IPA_ARP_PROCESSING
)) {
2359 QETH_CARD_TEXT(card
, 3, "arpqnsup");
2363 /* get size of userspace buffer and mask_bits -> 6 bytes */
2364 if (copy_from_user(&qinfo
, udata
, 6)) {
2368 qinfo
.udata
= kzalloc(qinfo
.udata_len
, GFP_KERNEL
);
2373 qinfo
.udata_offset
= QETH_QARP_ENTRIES_OFFSET
;
2374 rc
= qeth_l3_query_arp_cache_info(card
, QETH_PROT_IPV4
, &qinfo
);
2376 if (copy_to_user(udata
, qinfo
.udata
, 4))
2380 #ifdef CONFIG_QETH_IPV6
2381 if (qinfo
.mask_bits
& QETH_QARP_WITH_IPV6
) {
2382 /* fails in case of GuestLAN QDIO mode */
2383 qeth_l3_query_arp_cache_info(card
, QETH_PROT_IPV6
,
2387 if (copy_to_user(udata
, qinfo
.udata
, qinfo
.udata_len
)) {
2388 QETH_CARD_TEXT(card
, 4, "qactf");
2392 QETH_CARD_TEXT(card
, 4, "qacts");
2400 static int qeth_l3_arp_add_entry(struct qeth_card
*card
,
2401 struct qeth_arp_cache_entry
*entry
)
2403 struct qeth_cmd_buffer
*iob
;
2408 QETH_CARD_TEXT(card
, 3, "arpadent");
2411 * currently GuestLAN only supports the ARP assist function
2412 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
2413 * thus we say EOPNOTSUPP for this ARP function
2415 if (card
->info
.guestlan
)
2417 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2421 iob
= qeth_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
2422 IPA_CMD_ASS_ARP_ADD_ENTRY
,
2423 sizeof(struct qeth_arp_cache_entry
),
2427 rc
= qeth_send_setassparms(card
, iob
,
2428 sizeof(struct qeth_arp_cache_entry
),
2429 (unsigned long) entry
,
2430 qeth_l3_default_setassparms_cb
, NULL
);
2433 qeth_l3_ipaddr4_to_string((u8
*)entry
->ipaddr
, buf
);
2434 QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s "
2435 "on %s: %s (0x%x/%d)\n", buf
, QETH_CARD_IFNAME(card
),
2436 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2441 static int qeth_l3_arp_remove_entry(struct qeth_card
*card
,
2442 struct qeth_arp_cache_entry
*entry
)
2444 struct qeth_cmd_buffer
*iob
;
2445 char buf
[16] = {0, };
2449 QETH_CARD_TEXT(card
, 3, "arprment");
2452 * currently GuestLAN only supports the ARP assist function
2453 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
2454 * thus we say EOPNOTSUPP for this ARP function
2456 if (card
->info
.guestlan
)
2458 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2461 memcpy(buf
, entry
, 12);
2462 iob
= qeth_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
2463 IPA_CMD_ASS_ARP_REMOVE_ENTRY
,
2468 rc
= qeth_send_setassparms(card
, iob
,
2469 12, (unsigned long)buf
,
2470 qeth_l3_default_setassparms_cb
, NULL
);
2474 qeth_l3_ipaddr4_to_string((u8
*)entry
->ipaddr
, buf
);
2475 QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s"
2476 " on %s: %s (0x%x/%d)\n", buf
, QETH_CARD_IFNAME(card
),
2477 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2482 static int qeth_l3_arp_flush_cache(struct qeth_card
*card
)
2487 QETH_CARD_TEXT(card
, 3, "arpflush");
2490 * currently GuestLAN only supports the ARP assist function
2491 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
2492 * thus we say EOPNOTSUPP for this ARP function
2494 if (card
->info
.guestlan
|| (card
->info
.type
== QETH_CARD_TYPE_IQD
))
2496 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2499 rc
= qeth_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
2500 IPA_CMD_ASS_ARP_FLUSH_CACHE
, 0);
2503 QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s "
2504 "(0x%x/%d)\n", QETH_CARD_IFNAME(card
),
2505 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2510 static int qeth_l3_do_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
)
2512 struct qeth_card
*card
= dev
->ml_priv
;
2513 struct qeth_arp_cache_entry arp_entry
;
2514 struct mii_ioctl_data
*mii_data
;
2520 if (!qeth_card_hw_is_reachable(card
))
2524 case SIOC_QETH_ARP_SET_NO_ENTRIES
:
2525 if (!capable(CAP_NET_ADMIN
)) {
2529 rc
= qeth_l3_arp_set_no_entries(card
, rq
->ifr_ifru
.ifru_ivalue
);
2531 case SIOC_QETH_ARP_QUERY_INFO
:
2532 if (!capable(CAP_NET_ADMIN
)) {
2536 rc
= qeth_l3_arp_query(card
, rq
->ifr_ifru
.ifru_data
);
2538 case SIOC_QETH_ARP_ADD_ENTRY
:
2539 if (!capable(CAP_NET_ADMIN
)) {
2543 if (copy_from_user(&arp_entry
, rq
->ifr_ifru
.ifru_data
,
2544 sizeof(struct qeth_arp_cache_entry
)))
2547 rc
= qeth_l3_arp_add_entry(card
, &arp_entry
);
2549 case SIOC_QETH_ARP_REMOVE_ENTRY
:
2550 if (!capable(CAP_NET_ADMIN
)) {
2554 if (copy_from_user(&arp_entry
, rq
->ifr_ifru
.ifru_data
,
2555 sizeof(struct qeth_arp_cache_entry
)))
2558 rc
= qeth_l3_arp_remove_entry(card
, &arp_entry
);
2560 case SIOC_QETH_ARP_FLUSH_CACHE
:
2561 if (!capable(CAP_NET_ADMIN
)) {
2565 rc
= qeth_l3_arp_flush_cache(card
);
2567 case SIOC_QETH_ADP_SET_SNMP_CONTROL
:
2568 rc
= qeth_snmp_command(card
, rq
->ifr_ifru
.ifru_data
);
2570 case SIOC_QETH_GET_CARD_TYPE
:
2571 if ((card
->info
.type
== QETH_CARD_TYPE_OSD
||
2572 card
->info
.type
== QETH_CARD_TYPE_OSX
) &&
2573 !card
->info
.guestlan
)
2578 mii_data
= if_mii(rq
);
2579 mii_data
->phy_id
= 0;
2582 mii_data
= if_mii(rq
);
2583 if (mii_data
->phy_id
!= 0)
2586 mii_data
->val_out
= qeth_mdio_read(dev
,
2590 case SIOC_QETH_QUERY_OAT
:
2591 rc
= qeth_query_oat_command(card
, rq
->ifr_ifru
.ifru_data
);
2597 QETH_CARD_TEXT_(card
, 2, "ioce%d", rc
);
2601 int inline qeth_l3_get_cast_type(struct qeth_card
*card
, struct sk_buff
*skb
)
2603 int cast_type
= RTN_UNSPEC
;
2604 struct neighbour
*n
= NULL
;
2605 struct dst_entry
*dst
;
2610 n
= dst_neigh_lookup_skb(dst
, skb
);
2612 cast_type
= n
->type
;
2615 if ((cast_type
== RTN_BROADCAST
) ||
2616 (cast_type
== RTN_MULTICAST
) ||
2617 (cast_type
== RTN_ANYCAST
))
2624 /* try something else */
2625 if (skb
->protocol
== ETH_P_IPV6
)
2626 return (skb_network_header(skb
)[24] == 0xff) ?
2628 else if (skb
->protocol
== ETH_P_IP
)
2629 return ((skb_network_header(skb
)[16] & 0xf0) == 0xe0) ?
2632 if (!memcmp(skb
->data
, skb
->dev
->broadcast
, 6))
2633 return RTN_BROADCAST
;
2637 hdr_mac
= *((u16
*)skb
->data
);
2639 switch (card
->info
.link_type
) {
2640 case QETH_LINK_TYPE_HSTR
:
2641 case QETH_LINK_TYPE_LANE_TR
:
2642 if ((hdr_mac
== QETH_TR_MAC_NC
) ||
2643 (hdr_mac
== QETH_TR_MAC_C
))
2644 return RTN_MULTICAST
;
2646 /* eth or so multicast? */
2648 if ((hdr_mac
== QETH_ETH_MAC_V4
) ||
2649 (hdr_mac
== QETH_ETH_MAC_V6
))
2650 return RTN_MULTICAST
;
2656 static void qeth_l3_fill_af_iucv_hdr(struct qeth_card
*card
,
2657 struct qeth_hdr
*hdr
, struct sk_buff
*skb
)
2660 struct af_iucv_trans_hdr
*iucv_hdr
;
2663 card
->dev
->header_ops
->create(skb
, card
->dev
, 0,
2664 card
->dev
->dev_addr
, card
->dev
->dev_addr
,
2665 card
->dev
->addr_len
);
2667 iucv_hdr
= (struct af_iucv_trans_hdr
*)skb
->data
;
2668 memset(hdr
, 0, sizeof(struct qeth_hdr
));
2669 hdr
->hdr
.l3
.id
= QETH_HEADER_TYPE_LAYER3
;
2670 hdr
->hdr
.l3
.ext_flags
= 0;
2671 hdr
->hdr
.l3
.length
= skb
->len
;
2672 hdr
->hdr
.l3
.flags
= QETH_HDR_IPV6
| QETH_CAST_UNICAST
;
2673 memset(daddr
, 0, sizeof(daddr
));
2676 memcpy(&daddr
[8], iucv_hdr
->destUserID
, 8);
2677 memcpy(hdr
->hdr
.l3
.dest_addr
, daddr
, 16);
2680 static void qeth_l3_fill_header(struct qeth_card
*card
, struct qeth_hdr
*hdr
,
2681 struct sk_buff
*skb
, int ipv
, int cast_type
)
2683 struct dst_entry
*dst
;
2685 memset(hdr
, 0, sizeof(struct qeth_hdr
));
2686 hdr
->hdr
.l3
.id
= QETH_HEADER_TYPE_LAYER3
;
2687 hdr
->hdr
.l3
.ext_flags
= 0;
2690 * before we're going to overwrite this location with next hop ip.
2691 * v6 uses passthrough, v4 sets the tag in the QDIO header.
2693 if (skb_vlan_tag_present(skb
)) {
2694 if ((ipv
== 4) || (card
->info
.type
== QETH_CARD_TYPE_IQD
))
2695 hdr
->hdr
.l3
.ext_flags
= QETH_HDR_EXT_VLAN_FRAME
;
2697 hdr
->hdr
.l3
.ext_flags
= QETH_HDR_EXT_INCLUDE_VLAN_TAG
;
2698 hdr
->hdr
.l3
.vlan_id
= skb_vlan_tag_get(skb
);
2701 hdr
->hdr
.l3
.length
= skb
->len
- sizeof(struct qeth_hdr
);
2706 struct rtable
*rt
= (struct rtable
*) dst
;
2707 __be32
*pkey
= &ip_hdr(skb
)->daddr
;
2710 pkey
= &rt
->rt_gateway
;
2713 hdr
->hdr
.l3
.flags
= qeth_l3_get_qeth_hdr_flags4(cast_type
);
2714 memset(hdr
->hdr
.l3
.dest_addr
, 0, 12);
2715 *((__be32
*) (&hdr
->hdr
.l3
.dest_addr
[12])) = *pkey
;
2716 } else if (ipv
== 6) {
2717 struct rt6_info
*rt
= (struct rt6_info
*) dst
;
2718 struct in6_addr
*pkey
= &ipv6_hdr(skb
)->daddr
;
2720 if (!ipv6_addr_any(&rt
->rt6i_gateway
))
2721 pkey
= &rt
->rt6i_gateway
;
2724 hdr
->hdr
.l3
.flags
= qeth_l3_get_qeth_hdr_flags6(cast_type
);
2725 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
2726 hdr
->hdr
.l3
.flags
&= ~QETH_HDR_PASSTHRU
;
2727 memcpy(hdr
->hdr
.l3
.dest_addr
, pkey
, 16);
2729 if (!memcmp(skb
->data
+ sizeof(struct qeth_hdr
),
2730 skb
->dev
->broadcast
, 6)) {
2732 hdr
->hdr
.l3
.flags
= QETH_CAST_BROADCAST
|
2735 hdr
->hdr
.l3
.flags
= (cast_type
== RTN_MULTICAST
) ?
2736 QETH_CAST_MULTICAST
| QETH_HDR_PASSTHRU
:
2737 QETH_CAST_UNICAST
| QETH_HDR_PASSTHRU
;
2743 static inline void qeth_l3_hdr_csum(struct qeth_card
*card
,
2744 struct qeth_hdr
*hdr
, struct sk_buff
*skb
)
2746 struct iphdr
*iph
= ip_hdr(skb
);
2748 /* tcph->check contains already the pseudo hdr checksum
2749 * so just set the header flags
2751 if (iph
->protocol
== IPPROTO_UDP
)
2752 hdr
->hdr
.l3
.ext_flags
|= QETH_HDR_EXT_UDP
;
2753 hdr
->hdr
.l3
.ext_flags
|= QETH_HDR_EXT_CSUM_TRANSP_REQ
|
2754 QETH_HDR_EXT_CSUM_HDR_REQ
;
2756 if (card
->options
.performance_stats
)
2757 card
->perf_stats
.tx_csum
++;
2760 static void qeth_tso_fill_header(struct qeth_card
*card
,
2761 struct qeth_hdr
*qhdr
, struct sk_buff
*skb
)
2763 struct qeth_hdr_tso
*hdr
= (struct qeth_hdr_tso
*)qhdr
;
2764 struct tcphdr
*tcph
= tcp_hdr(skb
);
2765 struct iphdr
*iph
= ip_hdr(skb
);
2766 struct ipv6hdr
*ip6h
= ipv6_hdr(skb
);
2768 /*fix header to TSO values ...*/
2769 hdr
->hdr
.hdr
.l3
.id
= QETH_HEADER_TYPE_TSO
;
2770 hdr
->hdr
.hdr
.l3
.length
= skb
->len
- sizeof(struct qeth_hdr_tso
);
2771 /*set values which are fix for the first approach ...*/
2772 hdr
->ext
.hdr_tot_len
= (__u16
) sizeof(struct qeth_hdr_ext_tso
);
2773 hdr
->ext
.imb_hdr_no
= 1;
2774 hdr
->ext
.hdr_type
= 1;
2775 hdr
->ext
.hdr_version
= 1;
2776 hdr
->ext
.hdr_len
= 28;
2777 /*insert non-fix values */
2778 hdr
->ext
.mss
= skb_shinfo(skb
)->gso_size
;
2779 hdr
->ext
.dg_hdr_len
= (__u16
)(iph
->ihl
*4 + tcph
->doff
*4);
2780 hdr
->ext
.payload_len
= (__u16
)(skb
->len
- hdr
->ext
.dg_hdr_len
-
2781 sizeof(struct qeth_hdr_tso
));
2783 if (skb
->protocol
== ETH_P_IPV6
) {
2784 ip6h
->payload_len
= 0;
2785 tcph
->check
= ~csum_ipv6_magic(&ip6h
->saddr
, &ip6h
->daddr
,
2788 /*OSA want us to set these values ...*/
2789 tcph
->check
= ~csum_tcpudp_magic(iph
->saddr
, iph
->daddr
,
2796 static inline int qeth_l3_tso_elements(struct sk_buff
*skb
)
2798 unsigned long tcpd
= (unsigned long)tcp_hdr(skb
) +
2799 tcp_hdr(skb
)->doff
* 4;
2800 int tcpd_len
= skb_headlen(skb
) - (tcpd
- (unsigned long)skb
->data
);
2801 int elements
= PFN_UP(tcpd
+ tcpd_len
- 1) - PFN_DOWN(tcpd
);
2803 elements
+= qeth_get_elements_for_frags(skb
);
2808 static int qeth_l3_hard_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
2812 struct qeth_hdr
*hdr
= NULL
;
2813 int elements_needed
= 0;
2815 struct qeth_card
*card
= dev
->ml_priv
;
2816 struct sk_buff
*new_skb
= NULL
;
2817 int ipv
= qeth_get_ip_version(skb
);
2818 int cast_type
= qeth_l3_get_cast_type(card
, skb
);
2819 struct qeth_qdio_out_q
*queue
=
2820 card
->qdio
.out_qs
[card
->qdio
.do_prio_queueing
2821 || (cast_type
&& card
->info
.is_multicast_different
) ?
2822 qeth_get_priority_queue(card
, skb
, ipv
, cast_type
) :
2823 card
->qdio
.default_out_queue
];
2824 int tx_bytes
= skb
->len
;
2826 int data_offset
= -1;
2829 if (((card
->info
.type
== QETH_CARD_TYPE_IQD
) &&
2830 (((card
->options
.cq
!= QETH_CQ_ENABLED
) && !ipv
) ||
2831 ((card
->options
.cq
== QETH_CQ_ENABLED
) &&
2832 (skb
->protocol
!= ETH_P_AF_IUCV
)))) ||
2833 card
->options
.sniffer
)
2836 if ((card
->state
!= CARD_STATE_UP
) || !card
->lan_online
) {
2837 card
->stats
.tx_carrier_errors
++;
2841 if ((cast_type
== RTN_BROADCAST
) &&
2842 (card
->info
.broadcast_capable
== 0))
2845 if (card
->options
.performance_stats
) {
2846 card
->perf_stats
.outbound_cnt
++;
2847 card
->perf_stats
.outbound_start_time
= qeth_get_micros();
2850 large_send
= skb_is_gso(skb
);
2852 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) && (!large_send
) &&
2853 (skb_shinfo(skb
)->nr_frags
== 0)) {
2855 if (new_skb
->protocol
== ETH_P_AF_IUCV
)
2858 data_offset
= ETH_HLEN
;
2859 hdr
= kmem_cache_alloc(qeth_core_header_cache
, GFP_ATOMIC
);
2864 /* create a clone with writeable headroom */
2865 new_skb
= skb_realloc_headroom(skb
, sizeof(struct qeth_hdr_tso
)
2871 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
2872 if (data_offset
< 0)
2873 skb_pull(new_skb
, ETH_HLEN
);
2876 skb_pull(new_skb
, ETH_HLEN
);
2879 if (ipv
!= 4 && skb_vlan_tag_present(new_skb
)) {
2880 skb_push(new_skb
, VLAN_HLEN
);
2881 skb_copy_to_linear_data(new_skb
, new_skb
->data
+ 4, 4);
2882 skb_copy_to_linear_data_offset(new_skb
, 4,
2883 new_skb
->data
+ 8, 4);
2884 skb_copy_to_linear_data_offset(new_skb
, 8,
2885 new_skb
->data
+ 12, 4);
2886 tag
= (u16
*)(new_skb
->data
+ 12);
2887 *tag
= __constant_htons(ETH_P_8021Q
);
2888 *(tag
+ 1) = htons(skb_vlan_tag_get(new_skb
));
2892 netif_stop_queue(dev
);
2894 /* fix hardware limitation: as long as we do not have sbal
2895 * chaining we can not send long frag lists
2898 if (qeth_l3_tso_elements(new_skb
) + 1 > 16) {
2899 if (skb_linearize(new_skb
))
2901 if (card
->options
.performance_stats
)
2902 card
->perf_stats
.tx_lin
++;
2906 if (large_send
&& (cast_type
== RTN_UNSPEC
)) {
2907 hdr
= (struct qeth_hdr
*)skb_push(new_skb
,
2908 sizeof(struct qeth_hdr_tso
));
2909 memset(hdr
, 0, sizeof(struct qeth_hdr_tso
));
2910 qeth_l3_fill_header(card
, hdr
, new_skb
, ipv
, cast_type
);
2911 qeth_tso_fill_header(card
, hdr
, new_skb
);
2914 if (data_offset
< 0) {
2915 hdr
= (struct qeth_hdr
*)skb_push(new_skb
,
2916 sizeof(struct qeth_hdr
));
2917 qeth_l3_fill_header(card
, hdr
, new_skb
, ipv
,
2920 if (new_skb
->protocol
== ETH_P_AF_IUCV
)
2921 qeth_l3_fill_af_iucv_hdr(card
, hdr
, new_skb
);
2923 qeth_l3_fill_header(card
, hdr
, new_skb
, ipv
,
2925 hdr
->hdr
.l3
.length
= new_skb
->len
- data_offset
;
2929 if (skb
->ip_summed
== CHECKSUM_PARTIAL
)
2930 qeth_l3_hdr_csum(card
, hdr
, new_skb
);
2933 elems
= qeth_get_elements_no(card
, new_skb
, elements_needed
);
2935 if (data_offset
>= 0)
2936 kmem_cache_free(qeth_core_header_cache
, hdr
);
2939 elements_needed
+= elems
;
2940 nr_frags
= skb_shinfo(new_skb
)->nr_frags
;
2942 if (card
->info
.type
!= QETH_CARD_TYPE_IQD
) {
2945 len
= ((unsigned long)tcp_hdr(new_skb
) +
2946 tcp_hdr(new_skb
)->doff
* 4) -
2947 (unsigned long)new_skb
->data
;
2949 len
= sizeof(struct qeth_hdr_layer3
);
2951 if (qeth_hdr_chk_and_bounce(new_skb
, &hdr
, len
))
2953 rc
= qeth_do_send_packet(card
, queue
, new_skb
, hdr
,
2956 rc
= qeth_do_send_packet_fast(card
, queue
, new_skb
, hdr
,
2957 elements_needed
, data_offset
, 0);
2960 card
->stats
.tx_packets
++;
2961 card
->stats
.tx_bytes
+= tx_bytes
;
2963 dev_kfree_skb_any(skb
);
2964 if (card
->options
.performance_stats
) {
2966 card
->perf_stats
.large_send_bytes
+= tx_bytes
;
2967 card
->perf_stats
.large_send_cnt
++;
2970 card
->perf_stats
.sg_skbs_sent
++;
2971 /* nr_frags + skb->data */
2972 card
->perf_stats
.sg_frags_sent
+= nr_frags
+ 1;
2977 if (data_offset
>= 0)
2978 kmem_cache_free(qeth_core_header_cache
, hdr
);
2982 dev_kfree_skb_any(new_skb
);
2983 return NETDEV_TX_BUSY
;
2988 netif_wake_queue(dev
);
2989 if (card
->options
.performance_stats
)
2990 card
->perf_stats
.outbound_time
+= qeth_get_micros() -
2991 card
->perf_stats
.outbound_start_time
;
2995 card
->stats
.tx_dropped
++;
2996 card
->stats
.tx_errors
++;
2997 if ((new_skb
!= skb
) && new_skb
)
2998 dev_kfree_skb_any(new_skb
);
2999 dev_kfree_skb_any(skb
);
3000 netif_wake_queue(dev
);
3001 return NETDEV_TX_OK
;
3004 static int __qeth_l3_open(struct net_device
*dev
)
3006 struct qeth_card
*card
= dev
->ml_priv
;
3009 QETH_CARD_TEXT(card
, 4, "qethopen");
3010 if (card
->state
== CARD_STATE_UP
)
3012 if (card
->state
!= CARD_STATE_SOFTSETUP
)
3014 card
->data
.state
= CH_STATE_UP
;
3015 card
->state
= CARD_STATE_UP
;
3016 netif_start_queue(dev
);
3018 if (qdio_stop_irq(card
->data
.ccwdev
, 0) >= 0) {
3019 napi_enable(&card
->napi
);
3020 napi_schedule(&card
->napi
);
3026 static int qeth_l3_open(struct net_device
*dev
)
3028 struct qeth_card
*card
= dev
->ml_priv
;
3030 QETH_CARD_TEXT(card
, 5, "qethope_");
3031 if (qeth_wait_for_threads(card
, QETH_RECOVER_THREAD
)) {
3032 QETH_CARD_TEXT(card
, 3, "openREC");
3033 return -ERESTARTSYS
;
3035 return __qeth_l3_open(dev
);
3038 static int qeth_l3_stop(struct net_device
*dev
)
3040 struct qeth_card
*card
= dev
->ml_priv
;
3042 QETH_CARD_TEXT(card
, 4, "qethstop");
3043 netif_tx_disable(dev
);
3044 if (card
->state
== CARD_STATE_UP
) {
3045 card
->state
= CARD_STATE_SOFTSETUP
;
3046 napi_disable(&card
->napi
);
3051 static netdev_features_t
qeth_l3_fix_features(struct net_device
*dev
,
3052 netdev_features_t features
)
3054 struct qeth_card
*card
= dev
->ml_priv
;
3056 if (!qeth_is_supported(card
, IPA_OUTBOUND_CHECKSUM
))
3057 features
&= ~NETIF_F_IP_CSUM
;
3058 if (!qeth_is_supported(card
, IPA_OUTBOUND_TSO
))
3059 features
&= ~NETIF_F_TSO
;
3060 if (!qeth_is_supported(card
, IPA_INBOUND_CHECKSUM
))
3061 features
&= ~NETIF_F_RXCSUM
;
3065 static int qeth_l3_set_features(struct net_device
*dev
,
3066 netdev_features_t features
)
3068 struct qeth_card
*card
= dev
->ml_priv
;
3069 netdev_features_t changed
= dev
->features
^ features
;
3071 if (!(changed
& NETIF_F_RXCSUM
))
3074 if (card
->state
== CARD_STATE_DOWN
||
3075 card
->state
== CARD_STATE_RECOVER
)
3078 return qeth_set_rx_csum(card
, features
& NETIF_F_RXCSUM
? 1 : 0);
3081 static const struct ethtool_ops qeth_l3_ethtool_ops
= {
3082 .get_link
= ethtool_op_get_link
,
3083 .get_strings
= qeth_core_get_strings
,
3084 .get_ethtool_stats
= qeth_core_get_ethtool_stats
,
3085 .get_sset_count
= qeth_core_get_sset_count
,
3086 .get_drvinfo
= qeth_core_get_drvinfo
,
3087 .get_settings
= qeth_core_ethtool_get_settings
,
3091 * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting
3092 * NOARP on the netdevice is no option because it also turns off neighbor
3093 * solicitation. For IPv4 we install a neighbor_setup function. We don't want
3094 * arp resolution but we want the hard header (packet socket will work
3097 static int qeth_l3_neigh_setup_noarp(struct neighbour
*n
)
3099 n
->nud_state
= NUD_NOARP
;
3100 memcpy(n
->ha
, "FAKELL", 6);
3101 n
->output
= n
->ops
->connected_output
;
3106 qeth_l3_neigh_setup(struct net_device
*dev
, struct neigh_parms
*np
)
3108 if (np
->tbl
->family
== AF_INET
)
3109 np
->neigh_setup
= qeth_l3_neigh_setup_noarp
;
3114 static const struct net_device_ops qeth_l3_netdev_ops
= {
3115 .ndo_open
= qeth_l3_open
,
3116 .ndo_stop
= qeth_l3_stop
,
3117 .ndo_get_stats
= qeth_get_stats
,
3118 .ndo_start_xmit
= qeth_l3_hard_start_xmit
,
3119 .ndo_validate_addr
= eth_validate_addr
,
3120 .ndo_set_rx_mode
= qeth_l3_set_multicast_list
,
3121 .ndo_do_ioctl
= qeth_l3_do_ioctl
,
3122 .ndo_change_mtu
= qeth_change_mtu
,
3123 .ndo_fix_features
= qeth_l3_fix_features
,
3124 .ndo_set_features
= qeth_l3_set_features
,
3125 .ndo_vlan_rx_add_vid
= qeth_l3_vlan_rx_add_vid
,
3126 .ndo_vlan_rx_kill_vid
= qeth_l3_vlan_rx_kill_vid
,
3127 .ndo_tx_timeout
= qeth_tx_timeout
,
3130 static const struct net_device_ops qeth_l3_osa_netdev_ops
= {
3131 .ndo_open
= qeth_l3_open
,
3132 .ndo_stop
= qeth_l3_stop
,
3133 .ndo_get_stats
= qeth_get_stats
,
3134 .ndo_start_xmit
= qeth_l3_hard_start_xmit
,
3135 .ndo_validate_addr
= eth_validate_addr
,
3136 .ndo_set_rx_mode
= qeth_l3_set_multicast_list
,
3137 .ndo_do_ioctl
= qeth_l3_do_ioctl
,
3138 .ndo_change_mtu
= qeth_change_mtu
,
3139 .ndo_fix_features
= qeth_l3_fix_features
,
3140 .ndo_set_features
= qeth_l3_set_features
,
3141 .ndo_vlan_rx_add_vid
= qeth_l3_vlan_rx_add_vid
,
3142 .ndo_vlan_rx_kill_vid
= qeth_l3_vlan_rx_kill_vid
,
3143 .ndo_tx_timeout
= qeth_tx_timeout
,
3144 .ndo_neigh_setup
= qeth_l3_neigh_setup
,
3147 static int qeth_l3_setup_netdev(struct qeth_card
*card
)
3151 if (card
->info
.type
== QETH_CARD_TYPE_OSD
||
3152 card
->info
.type
== QETH_CARD_TYPE_OSX
) {
3153 if ((card
->info
.link_type
== QETH_LINK_TYPE_LANE_TR
) ||
3154 (card
->info
.link_type
== QETH_LINK_TYPE_HSTR
)) {
3155 pr_info("qeth_l3: ignoring TR device\n");
3158 card
->dev
= alloc_etherdev(0);
3161 card
->dev
->netdev_ops
= &qeth_l3_osa_netdev_ops
;
3163 /*IPv6 address autoconfiguration stuff*/
3164 qeth_l3_get_unique_id(card
);
3165 if (!(card
->info
.unique_id
& UNIQUE_ID_NOT_BY_CARD
))
3166 card
->dev
->dev_id
= card
->info
.unique_id
&
3168 if (!card
->info
.guestlan
) {
3169 card
->dev
->hw_features
= NETIF_F_SG
|
3170 NETIF_F_RXCSUM
| NETIF_F_IP_CSUM
|
3172 card
->dev
->features
= NETIF_F_RXCSUM
;
3175 } else if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
3176 card
->dev
= alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN
,
3180 card
->dev
->flags
|= IFF_NOARP
;
3181 card
->dev
->netdev_ops
= &qeth_l3_netdev_ops
;
3182 rc
= qeth_l3_iqd_read_initial_mac(card
);
3185 if (card
->options
.hsuid
[0])
3186 memcpy(card
->dev
->perm_addr
, card
->options
.hsuid
, 9);
3190 card
->dev
->ml_priv
= card
;
3191 card
->dev
->watchdog_timeo
= QETH_TX_TIMEOUT
;
3192 card
->dev
->mtu
= card
->info
.initial_mtu
;
3193 card
->dev
->ethtool_ops
= &qeth_l3_ethtool_ops
;
3194 card
->dev
->features
|= NETIF_F_HW_VLAN_CTAG_TX
|
3195 NETIF_F_HW_VLAN_CTAG_RX
|
3196 NETIF_F_HW_VLAN_CTAG_FILTER
;
3197 netif_keep_dst(card
->dev
);
3198 card
->dev
->gso_max_size
= 15 * PAGE_SIZE
;
3200 SET_NETDEV_DEV(card
->dev
, &card
->gdev
->dev
);
3201 netif_napi_add(card
->dev
, &card
->napi
, qeth_l3_poll
, QETH_NAPI_WEIGHT
);
3202 netif_carrier_off(card
->dev
);
3203 return register_netdev(card
->dev
);
3206 static int qeth_l3_probe_device(struct ccwgroup_device
*gdev
)
3208 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3210 qeth_l3_create_device_attributes(&gdev
->dev
);
3211 card
->options
.layer2
= 0;
3212 card
->info
.hwtrap
= 0;
3216 static void qeth_l3_remove_device(struct ccwgroup_device
*cgdev
)
3218 struct qeth_card
*card
= dev_get_drvdata(&cgdev
->dev
);
3220 qeth_l3_remove_device_attributes(&cgdev
->dev
);
3222 qeth_set_allowed_threads(card
, 0, 1);
3223 wait_event(card
->wait_q
, qeth_threads_running(card
, 0xffffffff) == 0);
3225 if (cgdev
->state
== CCWGROUP_ONLINE
)
3226 qeth_l3_set_offline(cgdev
);
3229 unregister_netdev(card
->dev
);
3233 qeth_l3_clear_ip_list(card
, 0);
3234 qeth_l3_clear_ipato_list(card
);
3238 static int __qeth_l3_set_online(struct ccwgroup_device
*gdev
, int recovery_mode
)
3240 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3242 enum qeth_card_states recover_flag
;
3244 mutex_lock(&card
->discipline_mutex
);
3245 mutex_lock(&card
->conf_mutex
);
3246 QETH_DBF_TEXT(SETUP
, 2, "setonlin");
3247 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
3249 recover_flag
= card
->state
;
3250 rc
= qeth_core_hardsetup_card(card
);
3252 QETH_DBF_TEXT_(SETUP
, 2, "2err%04x", rc
);
3257 if (!card
->dev
&& qeth_l3_setup_netdev(card
)) {
3262 if (qeth_is_diagass_supported(card
, QETH_DIAGS_CMD_TRAP
)) {
3263 if (card
->info
.hwtrap
&&
3264 qeth_hw_trap(card
, QETH_DIAGS_TRAP_ARM
))
3265 card
->info
.hwtrap
= 0;
3267 card
->info
.hwtrap
= 0;
3269 card
->state
= CARD_STATE_HARDSETUP
;
3270 memset(&card
->rx
, 0, sizeof(struct qeth_rx
));
3271 qeth_print_status_message(card
);
3274 QETH_DBF_TEXT(SETUP
, 2, "softsetp");
3276 rc
= qeth_send_startlan(card
);
3278 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
3280 dev_warn(&card
->gdev
->dev
,
3281 "The LAN is offline\n");
3282 card
->lan_online
= 0;
3288 card
->lan_online
= 1;
3291 rc
= qeth_l3_setadapter_parms(card
);
3293 QETH_DBF_TEXT_(SETUP
, 2, "2err%04x", rc
);
3294 if (!card
->options
.sniffer
) {
3295 rc
= qeth_l3_start_ipassists(card
);
3297 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
3300 rc
= qeth_l3_setrouting_v4(card
);
3302 QETH_DBF_TEXT_(SETUP
, 2, "4err%04x", rc
);
3303 rc
= qeth_l3_setrouting_v6(card
);
3305 QETH_DBF_TEXT_(SETUP
, 2, "5err%04x", rc
);
3307 netif_tx_disable(card
->dev
);
3309 rc
= qeth_init_qdio_queues(card
);
3311 QETH_DBF_TEXT_(SETUP
, 2, "6err%d", rc
);
3315 card
->state
= CARD_STATE_SOFTSETUP
;
3317 qeth_set_allowed_threads(card
, 0xffffffff, 0);
3318 qeth_l3_set_ip_addr_list(card
);
3319 if (card
->lan_online
)
3320 netif_carrier_on(card
->dev
);
3322 netif_carrier_off(card
->dev
);
3323 if (recover_flag
== CARD_STATE_RECOVER
) {
3326 __qeth_l3_open(card
->dev
);
3328 dev_open(card
->dev
);
3329 qeth_l3_set_multicast_list(card
->dev
);
3332 qeth_trace_features(card
);
3333 /* let user_space know that device is online */
3334 kobject_uevent(&gdev
->dev
.kobj
, KOBJ_CHANGE
);
3335 mutex_unlock(&card
->conf_mutex
);
3336 mutex_unlock(&card
->discipline_mutex
);
3339 qeth_l3_stop_card(card
, 0);
3340 ccw_device_set_offline(CARD_DDEV(card
));
3341 ccw_device_set_offline(CARD_WDEV(card
));
3342 ccw_device_set_offline(CARD_RDEV(card
));
3343 qdio_free(CARD_DDEV(card
));
3344 if (recover_flag
== CARD_STATE_RECOVER
)
3345 card
->state
= CARD_STATE_RECOVER
;
3347 card
->state
= CARD_STATE_DOWN
;
3348 mutex_unlock(&card
->conf_mutex
);
3349 mutex_unlock(&card
->discipline_mutex
);
3353 static int qeth_l3_set_online(struct ccwgroup_device
*gdev
)
3355 return __qeth_l3_set_online(gdev
, 0);
3358 static int __qeth_l3_set_offline(struct ccwgroup_device
*cgdev
,
3361 struct qeth_card
*card
= dev_get_drvdata(&cgdev
->dev
);
3362 int rc
= 0, rc2
= 0, rc3
= 0;
3363 enum qeth_card_states recover_flag
;
3365 mutex_lock(&card
->discipline_mutex
);
3366 mutex_lock(&card
->conf_mutex
);
3367 QETH_DBF_TEXT(SETUP
, 3, "setoffl");
3368 QETH_DBF_HEX(SETUP
, 3, &card
, sizeof(void *));
3370 if (card
->dev
&& netif_carrier_ok(card
->dev
))
3371 netif_carrier_off(card
->dev
);
3372 recover_flag
= card
->state
;
3373 if ((!recovery_mode
&& card
->info
.hwtrap
) || card
->info
.hwtrap
== 2) {
3374 qeth_hw_trap(card
, QETH_DIAGS_TRAP_DISARM
);
3375 card
->info
.hwtrap
= 1;
3377 qeth_l3_stop_card(card
, recovery_mode
);
3378 if ((card
->options
.cq
== QETH_CQ_ENABLED
) && card
->dev
) {
3380 call_netdevice_notifiers(NETDEV_REBOOT
, card
->dev
);
3383 rc
= ccw_device_set_offline(CARD_DDEV(card
));
3384 rc2
= ccw_device_set_offline(CARD_WDEV(card
));
3385 rc3
= ccw_device_set_offline(CARD_RDEV(card
));
3387 rc
= (rc2
) ? rc2
: rc3
;
3389 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
3390 qdio_free(CARD_DDEV(card
));
3391 if (recover_flag
== CARD_STATE_UP
)
3392 card
->state
= CARD_STATE_RECOVER
;
3393 /* let user_space know that device is offline */
3394 kobject_uevent(&cgdev
->dev
.kobj
, KOBJ_CHANGE
);
3395 mutex_unlock(&card
->conf_mutex
);
3396 mutex_unlock(&card
->discipline_mutex
);
3400 static int qeth_l3_set_offline(struct ccwgroup_device
*cgdev
)
3402 return __qeth_l3_set_offline(cgdev
, 0);
3405 static int qeth_l3_recover(void *ptr
)
3407 struct qeth_card
*card
;
3410 card
= (struct qeth_card
*) ptr
;
3411 QETH_CARD_TEXT(card
, 2, "recover1");
3412 QETH_CARD_HEX(card
, 2, &card
, sizeof(void *));
3413 if (!qeth_do_run_thread(card
, QETH_RECOVER_THREAD
))
3415 QETH_CARD_TEXT(card
, 2, "recover2");
3416 dev_warn(&card
->gdev
->dev
,
3417 "A recovery process has been started for the device\n");
3418 qeth_set_recovery_task(card
);
3419 __qeth_l3_set_offline(card
->gdev
, 1);
3420 rc
= __qeth_l3_set_online(card
->gdev
, 1);
3422 dev_info(&card
->gdev
->dev
,
3423 "Device successfully recovered!\n");
3425 qeth_close_dev(card
);
3426 dev_warn(&card
->gdev
->dev
, "The qeth device driver "
3427 "failed to recover an error on the device\n");
3429 qeth_clear_recovery_task(card
);
3430 qeth_clear_thread_start_bit(card
, QETH_RECOVER_THREAD
);
3431 qeth_clear_thread_running_bit(card
, QETH_RECOVER_THREAD
);
3435 static void qeth_l3_shutdown(struct ccwgroup_device
*gdev
)
3437 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3438 qeth_set_allowed_threads(card
, 0, 1);
3439 if ((gdev
->state
== CCWGROUP_ONLINE
) && card
->info
.hwtrap
)
3440 qeth_hw_trap(card
, QETH_DIAGS_TRAP_DISARM
);
3441 qeth_qdio_clear_card(card
, 0);
3442 qeth_clear_qdio_buffers(card
);
3443 qdio_free(CARD_DDEV(card
));
3446 static int qeth_l3_pm_suspend(struct ccwgroup_device
*gdev
)
3448 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3451 netif_device_detach(card
->dev
);
3452 qeth_set_allowed_threads(card
, 0, 1);
3453 wait_event(card
->wait_q
, qeth_threads_running(card
, 0xffffffff) == 0);
3454 if (gdev
->state
== CCWGROUP_OFFLINE
)
3456 if (card
->state
== CARD_STATE_UP
) {
3457 if (card
->info
.hwtrap
)
3458 qeth_hw_trap(card
, QETH_DIAGS_TRAP_DISARM
);
3459 __qeth_l3_set_offline(card
->gdev
, 1);
3461 __qeth_l3_set_offline(card
->gdev
, 0);
3465 static int qeth_l3_pm_resume(struct ccwgroup_device
*gdev
)
3467 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3470 if (gdev
->state
== CCWGROUP_OFFLINE
)
3473 if (card
->state
== CARD_STATE_RECOVER
) {
3474 rc
= __qeth_l3_set_online(card
->gdev
, 1);
3477 dev_close(card
->dev
);
3481 rc
= __qeth_l3_set_online(card
->gdev
, 0);
3483 qeth_set_allowed_threads(card
, 0xffffffff, 0);
3485 netif_device_attach(card
->dev
);
3487 dev_warn(&card
->gdev
->dev
, "The qeth device driver "
3488 "failed to recover an error on the device\n");
3492 /* Returns zero if the command is successfully "consumed" */
3493 static int qeth_l3_control_event(struct qeth_card
*card
,
3494 struct qeth_ipa_cmd
*cmd
)
3499 struct qeth_discipline qeth_l3_discipline
= {
3500 .start_poll
= qeth_qdio_start_poll
,
3501 .input_handler
= (qdio_handler_t
*) qeth_qdio_input_handler
,
3502 .output_handler
= (qdio_handler_t
*) qeth_qdio_output_handler
,
3503 .recover
= qeth_l3_recover
,
3504 .setup
= qeth_l3_probe_device
,
3505 .remove
= qeth_l3_remove_device
,
3506 .set_online
= qeth_l3_set_online
,
3507 .set_offline
= qeth_l3_set_offline
,
3508 .shutdown
= qeth_l3_shutdown
,
3509 .freeze
= qeth_l3_pm_suspend
,
3510 .thaw
= qeth_l3_pm_resume
,
3511 .restore
= qeth_l3_pm_resume
,
3512 .control_event_handler
= qeth_l3_control_event
,
3514 EXPORT_SYMBOL_GPL(qeth_l3_discipline
);
3516 static int qeth_l3_ip_event(struct notifier_block
*this,
3517 unsigned long event
, void *ptr
)
3519 struct in_ifaddr
*ifa
= (struct in_ifaddr
*)ptr
;
3520 struct net_device
*dev
= (struct net_device
*)ifa
->ifa_dev
->dev
;
3521 struct qeth_ipaddr
*addr
;
3522 struct qeth_card
*card
;
3524 if (dev_net(dev
) != &init_net
)
3527 card
= qeth_l3_get_card_from_dev(dev
);
3530 QETH_CARD_TEXT(card
, 3, "ipevent");
3532 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
3534 addr
->u
.a4
.addr
= ifa
->ifa_address
;
3535 addr
->u
.a4
.mask
= ifa
->ifa_mask
;
3536 addr
->type
= QETH_IP_TYPE_NORMAL
;
3542 if (!qeth_l3_add_ip(card
, addr
))
3546 if (!qeth_l3_delete_ip(card
, addr
))
3552 qeth_l3_set_ip_addr_list(card
);
3557 static struct notifier_block qeth_l3_ip_notifier
= {
3562 #ifdef CONFIG_QETH_IPV6
3564 * IPv6 event handler
3566 static int qeth_l3_ip6_event(struct notifier_block
*this,
3567 unsigned long event
, void *ptr
)
3569 struct inet6_ifaddr
*ifa
= (struct inet6_ifaddr
*)ptr
;
3570 struct net_device
*dev
= (struct net_device
*)ifa
->idev
->dev
;
3571 struct qeth_ipaddr
*addr
;
3572 struct qeth_card
*card
;
3574 card
= qeth_l3_get_card_from_dev(dev
);
3577 QETH_CARD_TEXT(card
, 3, "ip6event");
3578 if (!qeth_is_supported(card
, IPA_IPV6
))
3581 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV6
);
3583 memcpy(&addr
->u
.a6
.addr
, &ifa
->addr
, sizeof(struct in6_addr
));
3584 addr
->u
.a6
.pfxlen
= ifa
->prefix_len
;
3585 addr
->type
= QETH_IP_TYPE_NORMAL
;
3591 if (!qeth_l3_add_ip(card
, addr
))
3595 if (!qeth_l3_delete_ip(card
, addr
))
3601 qeth_l3_set_ip_addr_list(card
);
3606 static struct notifier_block qeth_l3_ip6_notifier
= {
3612 static int qeth_l3_register_notifiers(void)
3616 QETH_DBF_TEXT(SETUP
, 5, "regnotif");
3617 rc
= register_inetaddr_notifier(&qeth_l3_ip_notifier
);
3620 #ifdef CONFIG_QETH_IPV6
3621 rc
= register_inet6addr_notifier(&qeth_l3_ip6_notifier
);
3623 unregister_inetaddr_notifier(&qeth_l3_ip_notifier
);
3627 pr_warn("There is no IPv6 support for the layer 3 discipline\n");
3632 static void qeth_l3_unregister_notifiers(void)
3635 QETH_DBF_TEXT(SETUP
, 5, "unregnot");
3636 WARN_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier
));
3637 #ifdef CONFIG_QETH_IPV6
3638 WARN_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier
));
3639 #endif /* QETH_IPV6 */
3642 static int __init
qeth_l3_init(void)
3646 pr_info("register layer 3 discipline\n");
3647 rc
= qeth_l3_register_notifiers();
3651 static void __exit
qeth_l3_exit(void)
3653 qeth_l3_unregister_notifiers();
3654 pr_info("unregister layer 3 discipline\n");
3657 module_init(qeth_l3_init
);
3658 module_exit(qeth_l3_exit
);
3659 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
3660 MODULE_DESCRIPTION("qeth layer 3 discipline");
3661 MODULE_LICENSE("GPL");