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 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 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 void qeth_l3_ipaddr6_to_string(const __u8
*addr
, char *buf
)
83 sprintf(buf
, "%pI6", addr
);
86 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 ((card
->state
!= CARD_STATE_UP
&&
436 card
->state
!= CARD_STATE_SOFTSETUP
) || card
->options
.sniffer
) {
440 spin_lock_irqsave(&card
->ip_lock
, flags
);
441 tbd_list
= card
->ip_tbd_list
;
442 card
->ip_tbd_list
= kzalloc(sizeof(struct list_head
), GFP_ATOMIC
);
443 if (!card
->ip_tbd_list
) {
444 QETH_CARD_TEXT(card
, 0, "silnomem");
445 card
->ip_tbd_list
= tbd_list
;
446 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
449 INIT_LIST_HEAD(card
->ip_tbd_list
);
451 while (!list_empty(tbd_list
)) {
452 todo
= list_entry(tbd_list
->next
, struct qeth_ipaddr
, entry
);
453 list_del(&todo
->entry
);
454 if (todo
->type
== QETH_IP_TYPE_DEL_ALL_MC
) {
455 __qeth_l3_delete_all_mc(card
, &flags
);
459 rc
= __qeth_l3_ref_ip_on_card(card
, todo
, &addr
);
461 /* nothing to be done; only adjusted refcount */
463 } else if (rc
== 1) {
464 /* new entry to be added to on-card list */
465 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
466 rc
= qeth_l3_register_addr_entry(card
, todo
);
467 spin_lock_irqsave(&card
->ip_lock
, flags
);
468 if (!rc
|| (rc
== IPA_RC_LAN_OFFLINE
))
469 list_add_tail(&todo
->entry
, &card
->ip_list
);
472 } else if (rc
== -1) {
473 /* on-card entry to be removed */
474 list_del_init(&addr
->entry
);
475 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
476 rc
= qeth_l3_deregister_addr_entry(card
, addr
);
477 spin_lock_irqsave(&card
->ip_lock
, flags
);
478 if (!rc
|| (rc
== IPA_RC_IP_ADDRESS_NOT_DEFINED
))
481 list_add_tail(&addr
->entry
, &card
->ip_list
);
485 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
489 static void qeth_l3_clear_ip_list(struct qeth_card
*card
, int recover
)
491 struct qeth_ipaddr
*addr
, *tmp
;
494 QETH_CARD_TEXT(card
, 4, "clearip");
495 if (recover
&& card
->options
.sniffer
)
497 spin_lock_irqsave(&card
->ip_lock
, flags
);
498 /* clear todo list */
499 list_for_each_entry_safe(addr
, tmp
, card
->ip_tbd_list
, entry
) {
500 list_del(&addr
->entry
);
504 while (!list_empty(&card
->ip_list
)) {
505 addr
= list_entry(card
->ip_list
.next
,
506 struct qeth_ipaddr
, entry
);
507 list_del_init(&addr
->entry
);
508 if (!recover
|| addr
->is_multicast
) {
512 list_add_tail(&addr
->entry
, card
->ip_tbd_list
);
514 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
517 static int qeth_l3_address_exists_in_list(struct list_head
*list
,
518 struct qeth_ipaddr
*addr
, int same_type
)
520 struct qeth_ipaddr
*tmp
;
522 list_for_each_entry(tmp
, list
, entry
) {
523 if ((tmp
->proto
== QETH_PROT_IPV4
) &&
524 (addr
->proto
== QETH_PROT_IPV4
) &&
525 ((same_type
&& (tmp
->type
== addr
->type
)) ||
526 (!same_type
&& (tmp
->type
!= addr
->type
))) &&
527 (tmp
->u
.a4
.addr
== addr
->u
.a4
.addr
))
530 if ((tmp
->proto
== QETH_PROT_IPV6
) &&
531 (addr
->proto
== QETH_PROT_IPV6
) &&
532 ((same_type
&& (tmp
->type
== addr
->type
)) ||
533 (!same_type
&& (tmp
->type
!= addr
->type
))) &&
534 (memcmp(&tmp
->u
.a6
.addr
, &addr
->u
.a6
.addr
,
535 sizeof(struct in6_addr
)) == 0))
542 static int qeth_l3_send_setdelmc(struct qeth_card
*card
,
543 struct qeth_ipaddr
*addr
, int ipacmd
)
546 struct qeth_cmd_buffer
*iob
;
547 struct qeth_ipa_cmd
*cmd
;
549 QETH_CARD_TEXT(card
, 4, "setdelmc");
551 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
);
591 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
592 if (addr
->proto
== QETH_PROT_IPV6
) {
593 memcpy(cmd
->data
.setdelip6
.ip_addr
, &addr
->u
.a6
.addr
,
594 sizeof(struct in6_addr
));
595 qeth_l3_fill_netmask(netmask
, addr
->u
.a6
.pfxlen
);
596 memcpy(cmd
->data
.setdelip6
.mask
, netmask
,
597 sizeof(struct in6_addr
));
598 cmd
->data
.setdelip6
.flags
= flags
;
600 memcpy(cmd
->data
.setdelip4
.ip_addr
, &addr
->u
.a4
.addr
, 4);
601 memcpy(cmd
->data
.setdelip4
.mask
, &addr
->u
.a4
.mask
, 4);
602 cmd
->data
.setdelip4
.flags
= flags
;
605 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
610 static int qeth_l3_send_setrouting(struct qeth_card
*card
,
611 enum qeth_routing_types type
, enum qeth_prot_versions prot
)
614 struct qeth_ipa_cmd
*cmd
;
615 struct qeth_cmd_buffer
*iob
;
617 QETH_CARD_TEXT(card
, 4, "setroutg");
618 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SETRTG
, prot
);
619 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
620 cmd
->data
.setrtg
.type
= (type
);
621 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
626 static void qeth_l3_correct_routing_type(struct qeth_card
*card
,
627 enum qeth_routing_types
*type
, enum qeth_prot_versions prot
)
629 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
632 case PRIMARY_CONNECTOR
:
633 case SECONDARY_CONNECTOR
:
634 case MULTICAST_ROUTER
:
643 case SECONDARY_ROUTER
:
645 case MULTICAST_ROUTER
:
646 if (qeth_is_ipafunc_supported(card
, prot
,
657 int qeth_l3_setrouting_v4(struct qeth_card
*card
)
661 QETH_CARD_TEXT(card
, 3, "setrtg4");
663 qeth_l3_correct_routing_type(card
, &card
->options
.route4
.type
,
666 rc
= qeth_l3_send_setrouting(card
, card
->options
.route4
.type
,
669 card
->options
.route4
.type
= NO_ROUTER
;
670 QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type"
671 " on %s. Type set to 'no router'.\n", rc
,
672 QETH_CARD_IFNAME(card
));
677 int qeth_l3_setrouting_v6(struct qeth_card
*card
)
681 QETH_CARD_TEXT(card
, 3, "setrtg6");
682 #ifdef CONFIG_QETH_IPV6
684 if (!qeth_is_supported(card
, IPA_IPV6
))
686 qeth_l3_correct_routing_type(card
, &card
->options
.route6
.type
,
689 rc
= qeth_l3_send_setrouting(card
, card
->options
.route6
.type
,
692 card
->options
.route6
.type
= NO_ROUTER
;
693 QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type"
694 " on %s. Type set to 'no router'.\n", rc
,
695 QETH_CARD_IFNAME(card
));
702 * IP address takeover related functions
704 static void qeth_l3_clear_ipato_list(struct qeth_card
*card
)
707 struct qeth_ipato_entry
*ipatoe
, *tmp
;
710 spin_lock_irqsave(&card
->ip_lock
, flags
);
711 list_for_each_entry_safe(ipatoe
, tmp
, &card
->ipato
.entries
, entry
) {
712 list_del(&ipatoe
->entry
);
715 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
718 int qeth_l3_add_ipato_entry(struct qeth_card
*card
,
719 struct qeth_ipato_entry
*new)
721 struct qeth_ipato_entry
*ipatoe
;
725 QETH_CARD_TEXT(card
, 2, "addipato");
726 spin_lock_irqsave(&card
->ip_lock
, flags
);
727 list_for_each_entry(ipatoe
, &card
->ipato
.entries
, entry
) {
728 if (ipatoe
->proto
!= new->proto
)
730 if (!memcmp(ipatoe
->addr
, new->addr
,
731 (ipatoe
->proto
== QETH_PROT_IPV4
)? 4:16) &&
732 (ipatoe
->mask_bits
== new->mask_bits
)) {
738 list_add_tail(&new->entry
, &card
->ipato
.entries
);
740 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
744 void qeth_l3_del_ipato_entry(struct qeth_card
*card
,
745 enum qeth_prot_versions proto
, u8
*addr
, int mask_bits
)
747 struct qeth_ipato_entry
*ipatoe
, *tmp
;
750 QETH_CARD_TEXT(card
, 2, "delipato");
751 spin_lock_irqsave(&card
->ip_lock
, flags
);
752 list_for_each_entry_safe(ipatoe
, tmp
, &card
->ipato
.entries
, entry
) {
753 if (ipatoe
->proto
!= proto
)
755 if (!memcmp(ipatoe
->addr
, addr
,
756 (proto
== QETH_PROT_IPV4
)? 4:16) &&
757 (ipatoe
->mask_bits
== mask_bits
)) {
758 list_del(&ipatoe
->entry
);
762 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
766 * VIPA related functions
768 int qeth_l3_add_vipa(struct qeth_card
*card
, enum qeth_prot_versions proto
,
771 struct qeth_ipaddr
*ipaddr
;
775 ipaddr
= qeth_l3_get_addr_buffer(proto
);
777 if (proto
== QETH_PROT_IPV4
) {
778 QETH_CARD_TEXT(card
, 2, "addvipa4");
779 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
780 ipaddr
->u
.a4
.mask
= 0;
781 } else if (proto
== QETH_PROT_IPV6
) {
782 QETH_CARD_TEXT(card
, 2, "addvipa6");
783 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
784 ipaddr
->u
.a6
.pfxlen
= 0;
786 ipaddr
->type
= QETH_IP_TYPE_VIPA
;
787 ipaddr
->set_flags
= QETH_IPA_SETIP_VIPA_FLAG
;
788 ipaddr
->del_flags
= QETH_IPA_DELIP_VIPA_FLAG
;
791 spin_lock_irqsave(&card
->ip_lock
, flags
);
792 if (qeth_l3_address_exists_in_list(&card
->ip_list
, ipaddr
, 0) ||
793 qeth_l3_address_exists_in_list(card
->ip_tbd_list
, ipaddr
, 0))
795 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
800 if (!qeth_l3_add_ip(card
, ipaddr
))
802 qeth_l3_set_ip_addr_list(card
);
806 void qeth_l3_del_vipa(struct qeth_card
*card
, enum qeth_prot_versions proto
,
809 struct qeth_ipaddr
*ipaddr
;
811 ipaddr
= qeth_l3_get_addr_buffer(proto
);
813 if (proto
== QETH_PROT_IPV4
) {
814 QETH_CARD_TEXT(card
, 2, "delvipa4");
815 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
816 ipaddr
->u
.a4
.mask
= 0;
817 } else if (proto
== QETH_PROT_IPV6
) {
818 QETH_CARD_TEXT(card
, 2, "delvipa6");
819 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
820 ipaddr
->u
.a6
.pfxlen
= 0;
822 ipaddr
->type
= QETH_IP_TYPE_VIPA
;
825 if (!qeth_l3_delete_ip(card
, ipaddr
))
827 qeth_l3_set_ip_addr_list(card
);
831 * proxy ARP related functions
833 int qeth_l3_add_rxip(struct qeth_card
*card
, enum qeth_prot_versions proto
,
836 struct qeth_ipaddr
*ipaddr
;
840 ipaddr
= qeth_l3_get_addr_buffer(proto
);
842 if (proto
== QETH_PROT_IPV4
) {
843 QETH_CARD_TEXT(card
, 2, "addrxip4");
844 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
845 ipaddr
->u
.a4
.mask
= 0;
846 } else if (proto
== QETH_PROT_IPV6
) {
847 QETH_CARD_TEXT(card
, 2, "addrxip6");
848 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
849 ipaddr
->u
.a6
.pfxlen
= 0;
851 ipaddr
->type
= QETH_IP_TYPE_RXIP
;
852 ipaddr
->set_flags
= QETH_IPA_SETIP_TAKEOVER_FLAG
;
853 ipaddr
->del_flags
= 0;
856 spin_lock_irqsave(&card
->ip_lock
, flags
);
857 if (qeth_l3_address_exists_in_list(&card
->ip_list
, ipaddr
, 0) ||
858 qeth_l3_address_exists_in_list(card
->ip_tbd_list
, ipaddr
, 0))
860 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
865 if (!qeth_l3_add_ip(card
, ipaddr
))
867 qeth_l3_set_ip_addr_list(card
);
871 void qeth_l3_del_rxip(struct qeth_card
*card
, enum qeth_prot_versions proto
,
874 struct qeth_ipaddr
*ipaddr
;
876 ipaddr
= qeth_l3_get_addr_buffer(proto
);
878 if (proto
== QETH_PROT_IPV4
) {
879 QETH_CARD_TEXT(card
, 2, "addrxip4");
880 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
881 ipaddr
->u
.a4
.mask
= 0;
882 } else if (proto
== QETH_PROT_IPV6
) {
883 QETH_CARD_TEXT(card
, 2, "addrxip6");
884 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
885 ipaddr
->u
.a6
.pfxlen
= 0;
887 ipaddr
->type
= QETH_IP_TYPE_RXIP
;
890 if (!qeth_l3_delete_ip(card
, ipaddr
))
892 qeth_l3_set_ip_addr_list(card
);
895 static int qeth_l3_register_addr_entry(struct qeth_card
*card
,
896 struct qeth_ipaddr
*addr
)
902 if (addr
->proto
== QETH_PROT_IPV4
) {
903 QETH_CARD_TEXT(card
, 2, "setaddr4");
904 QETH_CARD_HEX(card
, 3, &addr
->u
.a4
.addr
, sizeof(int));
905 } else if (addr
->proto
== QETH_PROT_IPV6
) {
906 QETH_CARD_TEXT(card
, 2, "setaddr6");
907 QETH_CARD_HEX(card
, 3, &addr
->u
.a6
.addr
, 8);
908 QETH_CARD_HEX(card
, 3, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
910 QETH_CARD_TEXT(card
, 2, "setaddr?");
911 QETH_CARD_HEX(card
, 3, addr
, sizeof(struct qeth_ipaddr
));
914 if (addr
->is_multicast
)
915 rc
= qeth_l3_send_setdelmc(card
, addr
, IPA_CMD_SETIPM
);
917 rc
= qeth_l3_send_setdelip(card
, addr
, IPA_CMD_SETIP
,
920 QETH_CARD_TEXT(card
, 2, "failed");
921 } while ((--cnt
> 0) && rc
);
923 QETH_CARD_TEXT(card
, 2, "FAILED");
924 qeth_l3_ipaddr_to_string(addr
->proto
, (u8
*)&addr
->u
, buf
);
925 dev_warn(&card
->gdev
->dev
,
926 "Registering IP address %s failed\n", buf
);
931 static int qeth_l3_deregister_addr_entry(struct qeth_card
*card
,
932 struct qeth_ipaddr
*addr
)
936 if (addr
->proto
== QETH_PROT_IPV4
) {
937 QETH_CARD_TEXT(card
, 2, "deladdr4");
938 QETH_CARD_HEX(card
, 3, &addr
->u
.a4
.addr
, sizeof(int));
939 } else if (addr
->proto
== QETH_PROT_IPV6
) {
940 QETH_CARD_TEXT(card
, 2, "deladdr6");
941 QETH_CARD_HEX(card
, 3, &addr
->u
.a6
.addr
, 8);
942 QETH_CARD_HEX(card
, 3, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
944 QETH_CARD_TEXT(card
, 2, "deladdr?");
945 QETH_CARD_HEX(card
, 3, addr
, sizeof(struct qeth_ipaddr
));
947 if (addr
->is_multicast
)
948 rc
= qeth_l3_send_setdelmc(card
, addr
, IPA_CMD_DELIPM
);
950 rc
= qeth_l3_send_setdelip(card
, addr
, IPA_CMD_DELIP
,
953 QETH_CARD_TEXT(card
, 2, "failed");
958 static inline u8
qeth_l3_get_qeth_hdr_flags4(int cast_type
)
960 if (cast_type
== RTN_MULTICAST
)
961 return QETH_CAST_MULTICAST
;
962 if (cast_type
== RTN_BROADCAST
)
963 return QETH_CAST_BROADCAST
;
964 return QETH_CAST_UNICAST
;
967 static inline u8
qeth_l3_get_qeth_hdr_flags6(int cast_type
)
969 u8 ct
= QETH_HDR_PASSTHRU
| QETH_HDR_IPV6
;
970 if (cast_type
== RTN_MULTICAST
)
971 return ct
| QETH_CAST_MULTICAST
;
972 if (cast_type
== RTN_ANYCAST
)
973 return ct
| QETH_CAST_ANYCAST
;
974 if (cast_type
== RTN_BROADCAST
)
975 return ct
| QETH_CAST_BROADCAST
;
976 return ct
| QETH_CAST_UNICAST
;
979 static int qeth_l3_setadapter_parms(struct qeth_card
*card
)
983 QETH_DBF_TEXT(SETUP
, 2, "setadprm");
985 if (!qeth_is_supported(card
, IPA_SETADAPTERPARMS
)) {
986 dev_info(&card
->gdev
->dev
,
987 "set adapter parameters not supported.\n");
988 QETH_DBF_TEXT(SETUP
, 2, " notsupp");
991 rc
= qeth_query_setadapterparms(card
);
993 QETH_DBF_MESSAGE(2, "%s couldn't set adapter parameters: "
994 "0x%x\n", dev_name(&card
->gdev
->dev
), rc
);
997 if (qeth_adp_supported(card
, IPA_SETADP_ALTER_MAC_ADDRESS
)) {
998 rc
= qeth_setadpparms_change_macaddr(card
);
1000 dev_warn(&card
->gdev
->dev
, "Reading the adapter MAC"
1001 " address failed\n");
1007 static int qeth_l3_default_setassparms_cb(struct qeth_card
*card
,
1008 struct qeth_reply
*reply
, unsigned long data
)
1010 struct qeth_ipa_cmd
*cmd
;
1012 QETH_CARD_TEXT(card
, 4, "defadpcb");
1014 cmd
= (struct qeth_ipa_cmd
*) data
;
1015 if (cmd
->hdr
.return_code
== 0) {
1016 cmd
->hdr
.return_code
= cmd
->data
.setassparms
.hdr
.return_code
;
1017 if (cmd
->hdr
.prot_version
== QETH_PROT_IPV4
)
1018 card
->options
.ipa4
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
1019 if (cmd
->hdr
.prot_version
== QETH_PROT_IPV6
)
1020 card
->options
.ipa6
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
1022 if (cmd
->data
.setassparms
.hdr
.assist_no
== IPA_INBOUND_CHECKSUM
&&
1023 cmd
->data
.setassparms
.hdr
.command_code
== IPA_CMD_ASS_START
) {
1024 card
->info
.csum_mask
= cmd
->data
.setassparms
.data
.flags_32bit
;
1025 QETH_CARD_TEXT_(card
, 3, "csum:%d", card
->info
.csum_mask
);
1027 if (cmd
->data
.setassparms
.hdr
.assist_no
== IPA_OUTBOUND_CHECKSUM
&&
1028 cmd
->data
.setassparms
.hdr
.command_code
== IPA_CMD_ASS_START
) {
1029 card
->info
.tx_csum_mask
=
1030 cmd
->data
.setassparms
.data
.flags_32bit
;
1031 QETH_CARD_TEXT_(card
, 3, "tcsu:%d", card
->info
.tx_csum_mask
);
1037 static struct qeth_cmd_buffer
*qeth_l3_get_setassparms_cmd(
1038 struct qeth_card
*card
, enum qeth_ipa_funcs ipa_func
, __u16 cmd_code
,
1039 __u16 len
, enum qeth_prot_versions prot
)
1041 struct qeth_cmd_buffer
*iob
;
1042 struct qeth_ipa_cmd
*cmd
;
1044 QETH_CARD_TEXT(card
, 4, "getasscm");
1045 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SETASSPARMS
, prot
);
1047 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
1048 cmd
->data
.setassparms
.hdr
.assist_no
= ipa_func
;
1049 cmd
->data
.setassparms
.hdr
.length
= 8 + len
;
1050 cmd
->data
.setassparms
.hdr
.command_code
= cmd_code
;
1051 cmd
->data
.setassparms
.hdr
.return_code
= 0;
1052 cmd
->data
.setassparms
.hdr
.seq_no
= 0;
1057 static int qeth_l3_send_setassparms(struct qeth_card
*card
,
1058 struct qeth_cmd_buffer
*iob
, __u16 len
, long data
,
1059 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
1064 struct qeth_ipa_cmd
*cmd
;
1066 QETH_CARD_TEXT(card
, 4, "sendassp");
1068 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
1069 if (len
<= sizeof(__u32
))
1070 cmd
->data
.setassparms
.data
.flags_32bit
= (__u32
) data
;
1071 else /* (len > sizeof(__u32)) */
1072 memcpy(&cmd
->data
.setassparms
.data
, (void *) data
, len
);
1074 rc
= qeth_send_ipa_cmd(card
, iob
, reply_cb
, reply_param
);
1078 #ifdef CONFIG_QETH_IPV6
1079 static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card
*card
,
1080 enum qeth_ipa_funcs ipa_func
, __u16 cmd_code
)
1083 struct qeth_cmd_buffer
*iob
;
1085 QETH_CARD_TEXT(card
, 4, "simassp6");
1086 iob
= qeth_l3_get_setassparms_cmd(card
, ipa_func
, cmd_code
,
1088 rc
= qeth_l3_send_setassparms(card
, iob
, 0, 0,
1089 qeth_l3_default_setassparms_cb
, NULL
);
1094 static int qeth_l3_send_simple_setassparms(struct qeth_card
*card
,
1095 enum qeth_ipa_funcs ipa_func
, __u16 cmd_code
, long data
)
1099 struct qeth_cmd_buffer
*iob
;
1101 QETH_CARD_TEXT(card
, 4, "simassp4");
1103 length
= sizeof(__u32
);
1104 iob
= qeth_l3_get_setassparms_cmd(card
, ipa_func
, cmd_code
,
1105 length
, QETH_PROT_IPV4
);
1106 rc
= qeth_l3_send_setassparms(card
, iob
, length
, data
,
1107 qeth_l3_default_setassparms_cb
, NULL
);
1111 static int qeth_l3_start_ipa_arp_processing(struct qeth_card
*card
)
1115 QETH_CARD_TEXT(card
, 3, "ipaarp");
1117 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
1118 dev_info(&card
->gdev
->dev
,
1119 "ARP processing not supported on %s!\n",
1120 QETH_CARD_IFNAME(card
));
1123 rc
= qeth_l3_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
1124 IPA_CMD_ASS_START
, 0);
1126 dev_warn(&card
->gdev
->dev
,
1127 "Starting ARP processing support for %s failed\n",
1128 QETH_CARD_IFNAME(card
));
1133 static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card
*card
)
1137 QETH_CARD_TEXT(card
, 3, "ipaipfrg");
1139 if (!qeth_is_supported(card
, IPA_IP_FRAGMENTATION
)) {
1140 dev_info(&card
->gdev
->dev
,
1141 "Hardware IP fragmentation not supported on %s\n",
1142 QETH_CARD_IFNAME(card
));
1146 rc
= qeth_l3_send_simple_setassparms(card
, IPA_IP_FRAGMENTATION
,
1147 IPA_CMD_ASS_START
, 0);
1149 dev_warn(&card
->gdev
->dev
,
1150 "Starting IP fragmentation support for %s failed\n",
1151 QETH_CARD_IFNAME(card
));
1153 dev_info(&card
->gdev
->dev
,
1154 "Hardware IP fragmentation enabled \n");
1158 static int qeth_l3_start_ipa_source_mac(struct qeth_card
*card
)
1162 QETH_CARD_TEXT(card
, 3, "stsrcmac");
1164 if (!qeth_is_supported(card
, IPA_SOURCE_MAC
)) {
1165 dev_info(&card
->gdev
->dev
,
1166 "Inbound source MAC-address not supported on %s\n",
1167 QETH_CARD_IFNAME(card
));
1171 rc
= qeth_l3_send_simple_setassparms(card
, IPA_SOURCE_MAC
,
1172 IPA_CMD_ASS_START
, 0);
1174 dev_warn(&card
->gdev
->dev
,
1175 "Starting source MAC-address support for %s failed\n",
1176 QETH_CARD_IFNAME(card
));
1180 static int qeth_l3_start_ipa_vlan(struct qeth_card
*card
)
1184 QETH_CARD_TEXT(card
, 3, "strtvlan");
1186 if (!qeth_is_supported(card
, IPA_FULL_VLAN
)) {
1187 dev_info(&card
->gdev
->dev
,
1188 "VLAN not supported on %s\n", QETH_CARD_IFNAME(card
));
1192 rc
= qeth_l3_send_simple_setassparms(card
, IPA_VLAN_PRIO
,
1193 IPA_CMD_ASS_START
, 0);
1195 dev_warn(&card
->gdev
->dev
,
1196 "Starting VLAN support for %s failed\n",
1197 QETH_CARD_IFNAME(card
));
1199 dev_info(&card
->gdev
->dev
, "VLAN enabled\n");
1204 static int qeth_l3_start_ipa_multicast(struct qeth_card
*card
)
1208 QETH_CARD_TEXT(card
, 3, "stmcast");
1210 if (!qeth_is_supported(card
, IPA_MULTICASTING
)) {
1211 dev_info(&card
->gdev
->dev
,
1212 "Multicast not supported on %s\n",
1213 QETH_CARD_IFNAME(card
));
1217 rc
= qeth_l3_send_simple_setassparms(card
, IPA_MULTICASTING
,
1218 IPA_CMD_ASS_START
, 0);
1220 dev_warn(&card
->gdev
->dev
,
1221 "Starting multicast support for %s failed\n",
1222 QETH_CARD_IFNAME(card
));
1224 dev_info(&card
->gdev
->dev
, "Multicast enabled\n");
1225 card
->dev
->flags
|= IFF_MULTICAST
;
1230 #ifdef CONFIG_QETH_IPV6
1231 static int qeth_l3_softsetup_ipv6(struct qeth_card
*card
)
1235 QETH_CARD_TEXT(card
, 3, "softipv6");
1237 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1240 rc
= qeth_query_ipassists(card
, QETH_PROT_IPV6
);
1242 dev_err(&card
->gdev
->dev
,
1243 "Activating IPv6 support for %s failed\n",
1244 QETH_CARD_IFNAME(card
));
1247 rc
= qeth_l3_send_simple_setassparms(card
, IPA_IPV6
,
1248 IPA_CMD_ASS_START
, 3);
1250 dev_err(&card
->gdev
->dev
,
1251 "Activating IPv6 support for %s failed\n",
1252 QETH_CARD_IFNAME(card
));
1255 rc
= qeth_l3_send_simple_setassparms_ipv6(card
, IPA_IPV6
,
1258 dev_err(&card
->gdev
->dev
,
1259 "Activating IPv6 support for %s failed\n",
1260 QETH_CARD_IFNAME(card
));
1263 rc
= qeth_l3_send_simple_setassparms_ipv6(card
, IPA_PASSTHRU
,
1266 dev_warn(&card
->gdev
->dev
,
1267 "Enabling the passthrough mode for %s failed\n",
1268 QETH_CARD_IFNAME(card
));
1272 dev_info(&card
->gdev
->dev
, "IPV6 enabled\n");
1277 static int qeth_l3_start_ipa_ipv6(struct qeth_card
*card
)
1281 QETH_CARD_TEXT(card
, 3, "strtipv6");
1283 if (!qeth_is_supported(card
, IPA_IPV6
)) {
1284 dev_info(&card
->gdev
->dev
,
1285 "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card
));
1288 #ifdef CONFIG_QETH_IPV6
1289 rc
= qeth_l3_softsetup_ipv6(card
);
1294 static int qeth_l3_start_ipa_broadcast(struct qeth_card
*card
)
1298 QETH_CARD_TEXT(card
, 3, "stbrdcst");
1299 card
->info
.broadcast_capable
= 0;
1300 if (!qeth_is_supported(card
, IPA_FILTERING
)) {
1301 dev_info(&card
->gdev
->dev
,
1302 "Broadcast not supported on %s\n",
1303 QETH_CARD_IFNAME(card
));
1307 rc
= qeth_l3_send_simple_setassparms(card
, IPA_FILTERING
,
1308 IPA_CMD_ASS_START
, 0);
1310 dev_warn(&card
->gdev
->dev
, "Enabling broadcast filtering for "
1311 "%s failed\n", QETH_CARD_IFNAME(card
));
1315 rc
= qeth_l3_send_simple_setassparms(card
, IPA_FILTERING
,
1316 IPA_CMD_ASS_CONFIGURE
, 1);
1318 dev_warn(&card
->gdev
->dev
,
1319 "Setting up broadcast filtering for %s failed\n",
1320 QETH_CARD_IFNAME(card
));
1323 card
->info
.broadcast_capable
= QETH_BROADCAST_WITH_ECHO
;
1324 dev_info(&card
->gdev
->dev
, "Broadcast enabled\n");
1325 rc
= qeth_l3_send_simple_setassparms(card
, IPA_FILTERING
,
1326 IPA_CMD_ASS_ENABLE
, 1);
1328 dev_warn(&card
->gdev
->dev
, "Setting up broadcast echo "
1329 "filtering for %s failed\n", QETH_CARD_IFNAME(card
));
1332 card
->info
.broadcast_capable
= QETH_BROADCAST_WITHOUT_ECHO
;
1334 if (card
->info
.broadcast_capable
)
1335 card
->dev
->flags
|= IFF_BROADCAST
;
1337 card
->dev
->flags
&= ~IFF_BROADCAST
;
1341 static int qeth_l3_send_checksum_command(struct qeth_card
*card
)
1345 rc
= qeth_l3_send_simple_setassparms(card
, IPA_INBOUND_CHECKSUM
,
1346 IPA_CMD_ASS_START
, 0);
1348 dev_warn(&card
->gdev
->dev
, "Starting HW checksumming for %s "
1349 "failed, using SW checksumming\n",
1350 QETH_CARD_IFNAME(card
));
1353 rc
= qeth_l3_send_simple_setassparms(card
, IPA_INBOUND_CHECKSUM
,
1355 card
->info
.csum_mask
);
1357 dev_warn(&card
->gdev
->dev
, "Enabling HW checksumming for %s "
1358 "failed, using SW checksumming\n",
1359 QETH_CARD_IFNAME(card
));
1365 static int qeth_l3_set_rx_csum(struct qeth_card
*card
, int on
)
1370 rc
= qeth_l3_send_checksum_command(card
);
1373 dev_info(&card
->gdev
->dev
,
1374 "HW Checksumming (inbound) enabled\n");
1376 rc
= qeth_l3_send_simple_setassparms(card
,
1377 IPA_INBOUND_CHECKSUM
, IPA_CMD_ASS_STOP
, 0);
1385 static int qeth_l3_start_ipa_checksum(struct qeth_card
*card
)
1387 QETH_CARD_TEXT(card
, 3, "strtcsum");
1389 if (card
->dev
->features
& NETIF_F_RXCSUM
) {
1391 /* force set_features call */
1392 card
->dev
->features
&= ~NETIF_F_RXCSUM
;
1393 netdev_update_features(card
->dev
);
1399 static int qeth_l3_start_ipa_tx_checksum(struct qeth_card
*card
)
1403 if (!qeth_is_supported(card
, IPA_OUTBOUND_CHECKSUM
))
1405 rc
= qeth_l3_send_simple_setassparms(card
, IPA_OUTBOUND_CHECKSUM
,
1406 IPA_CMD_ASS_START
, 0);
1409 rc
= qeth_l3_send_simple_setassparms(card
, IPA_OUTBOUND_CHECKSUM
,
1410 IPA_CMD_ASS_ENABLE
, card
->info
.tx_csum_mask
);
1413 dev_info(&card
->gdev
->dev
, "HW TX Checksumming enabled\n");
1416 dev_warn(&card
->gdev
->dev
, "Enabling HW TX checksumming for %s "
1417 "failed, using SW TX checksumming\n", QETH_CARD_IFNAME(card
));
1421 static int qeth_l3_start_ipa_tso(struct qeth_card
*card
)
1425 QETH_CARD_TEXT(card
, 3, "sttso");
1427 if (!qeth_is_supported(card
, IPA_OUTBOUND_TSO
)) {
1428 dev_info(&card
->gdev
->dev
,
1429 "Outbound TSO not supported on %s\n",
1430 QETH_CARD_IFNAME(card
));
1433 rc
= qeth_l3_send_simple_setassparms(card
, IPA_OUTBOUND_TSO
,
1434 IPA_CMD_ASS_START
, 0);
1436 dev_warn(&card
->gdev
->dev
, "Starting outbound TCP "
1437 "segmentation offload for %s failed\n",
1438 QETH_CARD_IFNAME(card
));
1440 dev_info(&card
->gdev
->dev
,
1441 "Outbound TSO enabled\n");
1444 card
->dev
->features
&= ~NETIF_F_TSO
;
1448 static int qeth_l3_start_ipassists(struct qeth_card
*card
)
1450 QETH_CARD_TEXT(card
, 3, "strtipas");
1452 qeth_set_access_ctrl_online(card
); /* go on*/
1453 qeth_l3_start_ipa_arp_processing(card
); /* go on*/
1454 qeth_l3_start_ipa_ip_fragmentation(card
); /* go on*/
1455 qeth_l3_start_ipa_source_mac(card
); /* go on*/
1456 qeth_l3_start_ipa_vlan(card
); /* go on*/
1457 qeth_l3_start_ipa_multicast(card
); /* go on*/
1458 qeth_l3_start_ipa_ipv6(card
); /* go on*/
1459 qeth_l3_start_ipa_broadcast(card
); /* go on*/
1460 qeth_l3_start_ipa_checksum(card
); /* go on*/
1461 qeth_l3_start_ipa_tx_checksum(card
);
1462 qeth_l3_start_ipa_tso(card
); /* go on*/
1466 static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card
*card
,
1467 struct qeth_reply
*reply
, unsigned long data
)
1469 struct qeth_ipa_cmd
*cmd
;
1471 cmd
= (struct qeth_ipa_cmd
*) data
;
1472 if (cmd
->hdr
.return_code
== 0)
1473 memcpy(card
->dev
->dev_addr
,
1474 cmd
->data
.create_destroy_addr
.unique_id
, ETH_ALEN
);
1476 eth_random_addr(card
->dev
->dev_addr
);
1481 static int qeth_l3_iqd_read_initial_mac(struct qeth_card
*card
)
1484 struct qeth_cmd_buffer
*iob
;
1485 struct qeth_ipa_cmd
*cmd
;
1487 QETH_DBF_TEXT(SETUP
, 2, "hsrmac");
1489 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_CREATE_ADDR
,
1491 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
1492 *((__u16
*) &cmd
->data
.create_destroy_addr
.unique_id
[6]) =
1493 card
->info
.unique_id
;
1495 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_l3_iqd_read_initial_mac_cb
,
1500 static int qeth_l3_get_unique_id_cb(struct qeth_card
*card
,
1501 struct qeth_reply
*reply
, unsigned long data
)
1503 struct qeth_ipa_cmd
*cmd
;
1505 cmd
= (struct qeth_ipa_cmd
*) data
;
1506 if (cmd
->hdr
.return_code
== 0)
1507 card
->info
.unique_id
= *((__u16
*)
1508 &cmd
->data
.create_destroy_addr
.unique_id
[6]);
1510 card
->info
.unique_id
= UNIQUE_ID_IF_CREATE_ADDR_FAILED
|
1511 UNIQUE_ID_NOT_BY_CARD
;
1512 dev_warn(&card
->gdev
->dev
, "The network adapter failed to "
1513 "generate a unique ID\n");
1518 static int qeth_l3_get_unique_id(struct qeth_card
*card
)
1521 struct qeth_cmd_buffer
*iob
;
1522 struct qeth_ipa_cmd
*cmd
;
1524 QETH_DBF_TEXT(SETUP
, 2, "guniqeid");
1526 if (!qeth_is_supported(card
, IPA_IPV6
)) {
1527 card
->info
.unique_id
= UNIQUE_ID_IF_CREATE_ADDR_FAILED
|
1528 UNIQUE_ID_NOT_BY_CARD
;
1532 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_CREATE_ADDR
,
1534 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
1535 *((__u16
*) &cmd
->data
.create_destroy_addr
.unique_id
[6]) =
1536 card
->info
.unique_id
;
1538 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_l3_get_unique_id_cb
, NULL
);
1543 qeth_diags_trace_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1546 struct qeth_ipa_cmd
*cmd
;
1549 QETH_DBF_TEXT(SETUP
, 2, "diastrcb");
1551 cmd
= (struct qeth_ipa_cmd
*)data
;
1552 rc
= cmd
->hdr
.return_code
;
1554 QETH_CARD_TEXT_(card
, 2, "dxter%x", rc
);
1555 switch (cmd
->data
.diagass
.action
) {
1556 case QETH_DIAGS_CMD_TRACE_QUERY
:
1558 case QETH_DIAGS_CMD_TRACE_DISABLE
:
1561 case IPA_RC_INVALID_SUBCMD
:
1562 card
->info
.promisc_mode
= SET_PROMISC_MODE_OFF
;
1563 dev_info(&card
->gdev
->dev
, "The HiperSockets network "
1564 "traffic analyzer is deactivated\n");
1570 case QETH_DIAGS_CMD_TRACE_ENABLE
:
1573 card
->info
.promisc_mode
= SET_PROMISC_MODE_ON
;
1574 dev_info(&card
->gdev
->dev
, "The HiperSockets network "
1575 "traffic analyzer is activated\n");
1577 case IPA_RC_HARDWARE_AUTH_ERROR
:
1578 dev_warn(&card
->gdev
->dev
, "The device is not "
1579 "authorized to run as a HiperSockets network "
1580 "traffic analyzer\n");
1582 case IPA_RC_TRACE_ALREADY_ACTIVE
:
1583 dev_warn(&card
->gdev
->dev
, "A HiperSockets "
1584 "network traffic analyzer is already "
1585 "active in the HiperSockets LAN\n");
1592 QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n",
1593 cmd
->data
.diagass
.action
, QETH_CARD_IFNAME(card
));
1600 qeth_diags_trace(struct qeth_card
*card
, enum qeth_diags_trace_cmds diags_cmd
)
1602 struct qeth_cmd_buffer
*iob
;
1603 struct qeth_ipa_cmd
*cmd
;
1605 QETH_DBF_TEXT(SETUP
, 2, "diagtrac");
1607 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SET_DIAG_ASS
, 0);
1608 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
1609 cmd
->data
.diagass
.subcmd_len
= 16;
1610 cmd
->data
.diagass
.subcmd
= QETH_DIAGS_CMD_TRACE
;
1611 cmd
->data
.diagass
.type
= QETH_DIAGS_TYPE_HIPERSOCKET
;
1612 cmd
->data
.diagass
.action
= diags_cmd
;
1613 return qeth_send_ipa_cmd(card
, iob
, qeth_diags_trace_cb
, NULL
);
1616 static void qeth_l3_get_mac_for_ipm(__u32 ipm
, char *mac
,
1617 struct net_device
*dev
)
1619 ip_eth_mc_map(ipm
, mac
);
1622 static void qeth_l3_add_mc(struct qeth_card
*card
, struct in_device
*in4_dev
)
1624 struct qeth_ipaddr
*ipm
;
1625 struct ip_mc_list
*im4
;
1626 char buf
[MAX_ADDR_LEN
];
1628 QETH_CARD_TEXT(card
, 4, "addmc");
1629 for (im4
= rcu_dereference(in4_dev
->mc_list
); im4
!= NULL
;
1630 im4
= rcu_dereference(im4
->next_rcu
)) {
1631 qeth_l3_get_mac_for_ipm(im4
->multiaddr
, buf
, in4_dev
->dev
);
1632 ipm
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
1635 ipm
->u
.a4
.addr
= im4
->multiaddr
;
1636 memcpy(ipm
->mac
, buf
, OSA_ADDR_LEN
);
1637 ipm
->is_multicast
= 1;
1638 if (!qeth_l3_add_ip(card
, ipm
))
1643 static void qeth_l3_add_vlan_mc(struct qeth_card
*card
)
1645 struct in_device
*in_dev
;
1648 QETH_CARD_TEXT(card
, 4, "addmcvl");
1649 if (!qeth_is_supported(card
, IPA_FULL_VLAN
))
1652 for_each_set_bit(vid
, card
->active_vlans
, VLAN_N_VID
) {
1653 struct net_device
*netdev
;
1656 netdev
= __vlan_find_dev_deep(card
->dev
, vid
);
1658 if (netdev
== NULL
||
1659 !(netdev
->flags
& IFF_UP
))
1661 in_dev
= in_dev_get(netdev
);
1665 qeth_l3_add_mc(card
, in_dev
);
1671 static void qeth_l3_add_multicast_ipv4(struct qeth_card
*card
)
1673 struct in_device
*in4_dev
;
1675 QETH_CARD_TEXT(card
, 4, "chkmcv4");
1676 in4_dev
= in_dev_get(card
->dev
);
1677 if (in4_dev
== NULL
)
1680 qeth_l3_add_mc(card
, in4_dev
);
1681 qeth_l3_add_vlan_mc(card
);
1683 in_dev_put(in4_dev
);
1686 #ifdef CONFIG_QETH_IPV6
1687 static void qeth_l3_add_mc6(struct qeth_card
*card
, struct inet6_dev
*in6_dev
)
1689 struct qeth_ipaddr
*ipm
;
1690 struct ifmcaddr6
*im6
;
1691 char buf
[MAX_ADDR_LEN
];
1693 QETH_CARD_TEXT(card
, 4, "addmc6");
1694 for (im6
= in6_dev
->mc_list
; im6
!= NULL
; im6
= im6
->next
) {
1695 ndisc_mc_map(&im6
->mca_addr
, buf
, in6_dev
->dev
, 0);
1696 ipm
= qeth_l3_get_addr_buffer(QETH_PROT_IPV6
);
1699 ipm
->is_multicast
= 1;
1700 memcpy(ipm
->mac
, buf
, OSA_ADDR_LEN
);
1701 memcpy(&ipm
->u
.a6
.addr
, &im6
->mca_addr
.s6_addr
,
1702 sizeof(struct in6_addr
));
1703 if (!qeth_l3_add_ip(card
, ipm
))
1708 static void qeth_l3_add_vlan_mc6(struct qeth_card
*card
)
1710 struct inet6_dev
*in_dev
;
1713 QETH_CARD_TEXT(card
, 4, "admc6vl");
1714 if (!qeth_is_supported(card
, IPA_FULL_VLAN
))
1717 for_each_set_bit(vid
, card
->active_vlans
, VLAN_N_VID
) {
1718 struct net_device
*netdev
;
1720 netdev
= __vlan_find_dev_deep(card
->dev
, vid
);
1721 if (netdev
== NULL
||
1722 !(netdev
->flags
& IFF_UP
))
1724 in_dev
= in6_dev_get(netdev
);
1727 read_lock_bh(&in_dev
->lock
);
1728 qeth_l3_add_mc6(card
, in_dev
);
1729 read_unlock_bh(&in_dev
->lock
);
1730 in6_dev_put(in_dev
);
1734 static void qeth_l3_add_multicast_ipv6(struct qeth_card
*card
)
1736 struct inet6_dev
*in6_dev
;
1738 QETH_CARD_TEXT(card
, 4, "chkmcv6");
1739 if (!qeth_is_supported(card
, IPA_IPV6
))
1741 in6_dev
= in6_dev_get(card
->dev
);
1742 if (in6_dev
== NULL
)
1744 read_lock_bh(&in6_dev
->lock
);
1745 qeth_l3_add_mc6(card
, in6_dev
);
1746 qeth_l3_add_vlan_mc6(card
);
1747 read_unlock_bh(&in6_dev
->lock
);
1748 in6_dev_put(in6_dev
);
1750 #endif /* CONFIG_QETH_IPV6 */
1752 static void qeth_l3_free_vlan_addresses4(struct qeth_card
*card
,
1755 struct in_device
*in_dev
;
1756 struct in_ifaddr
*ifa
;
1757 struct qeth_ipaddr
*addr
;
1758 struct net_device
*netdev
;
1760 QETH_CARD_TEXT(card
, 4, "frvaddr4");
1762 netdev
= __vlan_find_dev_deep(card
->dev
, vid
);
1765 in_dev
= in_dev_get(netdev
);
1768 for (ifa
= in_dev
->ifa_list
; ifa
; ifa
= ifa
->ifa_next
) {
1769 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
1771 addr
->u
.a4
.addr
= ifa
->ifa_address
;
1772 addr
->u
.a4
.mask
= ifa
->ifa_mask
;
1773 addr
->type
= QETH_IP_TYPE_NORMAL
;
1774 if (!qeth_l3_delete_ip(card
, addr
))
1781 static void qeth_l3_free_vlan_addresses6(struct qeth_card
*card
,
1784 #ifdef CONFIG_QETH_IPV6
1785 struct inet6_dev
*in6_dev
;
1786 struct inet6_ifaddr
*ifa
;
1787 struct qeth_ipaddr
*addr
;
1788 struct net_device
*netdev
;
1790 QETH_CARD_TEXT(card
, 4, "frvaddr6");
1792 netdev
= __vlan_find_dev_deep(card
->dev
, vid
);
1795 in6_dev
= in6_dev_get(netdev
);
1798 list_for_each_entry(ifa
, &in6_dev
->addr_list
, if_list
) {
1799 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV6
);
1801 memcpy(&addr
->u
.a6
.addr
, &ifa
->addr
,
1802 sizeof(struct in6_addr
));
1803 addr
->u
.a6
.pfxlen
= ifa
->prefix_len
;
1804 addr
->type
= QETH_IP_TYPE_NORMAL
;
1805 if (!qeth_l3_delete_ip(card
, addr
))
1809 in6_dev_put(in6_dev
);
1810 #endif /* CONFIG_QETH_IPV6 */
1813 static void qeth_l3_free_vlan_addresses(struct qeth_card
*card
,
1816 qeth_l3_free_vlan_addresses4(card
, vid
);
1817 qeth_l3_free_vlan_addresses6(card
, vid
);
1820 static int qeth_l3_vlan_rx_add_vid(struct net_device
*dev
, unsigned short vid
)
1822 struct qeth_card
*card
= dev
->ml_priv
;
1824 set_bit(vid
, card
->active_vlans
);
1828 static int qeth_l3_vlan_rx_kill_vid(struct net_device
*dev
, unsigned short vid
)
1830 struct qeth_card
*card
= dev
->ml_priv
;
1831 unsigned long flags
;
1833 QETH_CARD_TEXT_(card
, 4, "kid:%d", vid
);
1834 if (qeth_wait_for_threads(card
, QETH_RECOVER_THREAD
)) {
1835 QETH_CARD_TEXT(card
, 3, "kidREC");
1838 spin_lock_irqsave(&card
->vlanlock
, flags
);
1839 /* unregister IP addresses of vlan device */
1840 qeth_l3_free_vlan_addresses(card
, vid
);
1841 clear_bit(vid
, card
->active_vlans
);
1842 spin_unlock_irqrestore(&card
->vlanlock
, flags
);
1843 qeth_l3_set_multicast_list(card
->dev
);
1847 static inline int qeth_l3_rebuild_skb(struct qeth_card
*card
,
1848 struct sk_buff
*skb
, struct qeth_hdr
*hdr
,
1849 unsigned short *vlan_id
)
1852 struct iphdr
*ip_hdr
;
1853 unsigned char tg_addr
[MAX_ADDR_LEN
];
1856 if (!(hdr
->hdr
.l3
.flags
& QETH_HDR_PASSTHRU
)) {
1857 prot
= htons((hdr
->hdr
.l3
.flags
& QETH_HDR_IPV6
)? ETH_P_IPV6
:
1859 switch (hdr
->hdr
.l3
.flags
& QETH_HDR_CAST_MASK
) {
1860 case QETH_CAST_MULTICAST
:
1862 #ifdef CONFIG_QETH_IPV6
1863 case __constant_htons(ETH_P_IPV6
):
1864 ndisc_mc_map((struct in6_addr
*)
1866 tg_addr
, card
->dev
, 0);
1869 case __constant_htons(ETH_P_IP
):
1870 ip_hdr
= (struct iphdr
*)skb
->data
;
1871 ip_eth_mc_map(ip_hdr
->daddr
, tg_addr
);
1874 memcpy(tg_addr
, card
->dev
->broadcast
,
1875 card
->dev
->addr_len
);
1877 card
->stats
.multicast
++;
1878 skb
->pkt_type
= PACKET_MULTICAST
;
1880 case QETH_CAST_BROADCAST
:
1881 memcpy(tg_addr
, card
->dev
->broadcast
,
1882 card
->dev
->addr_len
);
1883 card
->stats
.multicast
++;
1884 skb
->pkt_type
= PACKET_BROADCAST
;
1886 case QETH_CAST_UNICAST
:
1887 case QETH_CAST_ANYCAST
:
1888 case QETH_CAST_NOCAST
:
1890 if (card
->options
.sniffer
)
1891 skb
->pkt_type
= PACKET_OTHERHOST
;
1893 skb
->pkt_type
= PACKET_HOST
;
1894 memcpy(tg_addr
, card
->dev
->dev_addr
,
1895 card
->dev
->addr_len
);
1897 if (hdr
->hdr
.l3
.ext_flags
& QETH_HDR_EXT_SRC_MAC_ADDR
)
1898 card
->dev
->header_ops
->create(skb
, card
->dev
, prot
,
1899 tg_addr
, &hdr
->hdr
.l3
.dest_addr
[2],
1900 card
->dev
->addr_len
);
1902 card
->dev
->header_ops
->create(skb
, card
->dev
, prot
,
1903 tg_addr
, "FAKELL", card
->dev
->addr_len
);
1906 skb
->protocol
= eth_type_trans(skb
, card
->dev
);
1908 if (hdr
->hdr
.l3
.ext_flags
&
1909 (QETH_HDR_EXT_VLAN_FRAME
| QETH_HDR_EXT_INCLUDE_VLAN_TAG
)) {
1910 *vlan_id
= (hdr
->hdr
.l3
.ext_flags
& QETH_HDR_EXT_VLAN_FRAME
) ?
1911 hdr
->hdr
.l3
.vlan_id
: *((u16
*)&hdr
->hdr
.l3
.dest_addr
[12]);
1915 if (card
->dev
->features
& NETIF_F_RXCSUM
) {
1916 if ((hdr
->hdr
.l3
.ext_flags
&
1917 (QETH_HDR_EXT_CSUM_HDR_REQ
|
1918 QETH_HDR_EXT_CSUM_TRANSP_REQ
)) ==
1919 (QETH_HDR_EXT_CSUM_HDR_REQ
|
1920 QETH_HDR_EXT_CSUM_TRANSP_REQ
))
1921 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1923 skb
->ip_summed
= CHECKSUM_NONE
;
1925 skb
->ip_summed
= CHECKSUM_NONE
;
1930 static int qeth_l3_process_inbound_buffer(struct qeth_card
*card
,
1931 int budget
, int *done
)
1934 struct sk_buff
*skb
;
1935 struct qeth_hdr
*hdr
;
1944 skb
= qeth_core_get_next_skb(card
,
1945 &card
->qdio
.in_q
->bufs
[card
->rx
.b_index
],
1946 &card
->rx
.b_element
, &card
->rx
.e_offset
, &hdr
);
1951 skb
->dev
= card
->dev
;
1952 switch (hdr
->hdr
.l3
.id
) {
1953 case QETH_HEADER_TYPE_LAYER3
:
1954 magic
= *(__u16
*)skb
->data
;
1955 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) &&
1956 (magic
== ETH_P_AF_IUCV
)) {
1957 skb
->protocol
= ETH_P_AF_IUCV
;
1958 skb
->pkt_type
= PACKET_HOST
;
1959 skb
->mac_header
= NET_SKB_PAD
;
1960 skb
->dev
= card
->dev
;
1962 card
->dev
->header_ops
->create(skb
, card
->dev
, 0,
1963 card
->dev
->dev_addr
, "FAKELL",
1964 card
->dev
->addr_len
);
1965 netif_receive_skb(skb
);
1967 is_vlan
= qeth_l3_rebuild_skb(card
, skb
, hdr
,
1970 if (is_vlan
&& !card
->options
.sniffer
)
1971 __vlan_hwaccel_put_tag(skb
, vlan_tag
);
1972 napi_gro_receive(&card
->napi
, skb
);
1975 case QETH_HEADER_TYPE_LAYER2
: /* for HiperSockets sniffer */
1976 skb
->pkt_type
= PACKET_HOST
;
1977 skb
->protocol
= eth_type_trans(skb
, skb
->dev
);
1979 netif_receive_skb(skb
);
1982 dev_kfree_skb_any(skb
);
1983 QETH_CARD_TEXT(card
, 3, "inbunkno");
1984 QETH_DBF_HEX(CTRL
, 3, hdr
, QETH_DBF_CTRL_LEN
);
1989 card
->stats
.rx_packets
++;
1990 card
->stats
.rx_bytes
+= len
;
1995 static int qeth_l3_poll(struct napi_struct
*napi
, int budget
)
1997 struct qeth_card
*card
= container_of(napi
, struct qeth_card
, napi
);
1999 struct qeth_qdio_buffer
*buffer
;
2001 int new_budget
= budget
;
2003 if (card
->options
.performance_stats
) {
2004 card
->perf_stats
.inbound_cnt
++;
2005 card
->perf_stats
.inbound_start_time
= qeth_get_micros();
2009 if (!card
->rx
.b_count
) {
2010 card
->rx
.qdio_err
= 0;
2011 card
->rx
.b_count
= qdio_get_next_buffers(
2012 card
->data
.ccwdev
, 0, &card
->rx
.b_index
,
2013 &card
->rx
.qdio_err
);
2014 if (card
->rx
.b_count
<= 0) {
2015 card
->rx
.b_count
= 0;
2018 card
->rx
.b_element
=
2019 &card
->qdio
.in_q
->bufs
[card
->rx
.b_index
]
2020 .buffer
->element
[0];
2021 card
->rx
.e_offset
= 0;
2024 while (card
->rx
.b_count
) {
2025 buffer
= &card
->qdio
.in_q
->bufs
[card
->rx
.b_index
];
2026 if (!(card
->rx
.qdio_err
&&
2027 qeth_check_qdio_errors(card
, buffer
->buffer
,
2028 card
->rx
.qdio_err
, "qinerr")))
2029 work_done
+= qeth_l3_process_inbound_buffer(
2030 card
, new_budget
, &done
);
2035 if (card
->options
.performance_stats
)
2036 card
->perf_stats
.bufs_rec
++;
2037 qeth_put_buffer_pool_entry(card
,
2038 buffer
->pool_entry
);
2039 qeth_queue_input_buffer(card
, card
->rx
.b_index
);
2041 if (card
->rx
.b_count
) {
2043 (card
->rx
.b_index
+ 1) %
2044 QDIO_MAX_BUFFERS_PER_Q
;
2045 card
->rx
.b_element
=
2047 ->bufs
[card
->rx
.b_index
]
2048 .buffer
->element
[0];
2049 card
->rx
.e_offset
= 0;
2053 if (work_done
>= budget
)
2056 new_budget
= budget
- work_done
;
2060 napi_complete(napi
);
2061 if (qdio_start_irq(card
->data
.ccwdev
, 0))
2062 napi_schedule(&card
->napi
);
2064 if (card
->options
.performance_stats
)
2065 card
->perf_stats
.inbound_time
+= qeth_get_micros() -
2066 card
->perf_stats
.inbound_start_time
;
2070 static int qeth_l3_verify_vlan_dev(struct net_device
*dev
,
2071 struct qeth_card
*card
)
2076 for_each_set_bit(vid
, card
->active_vlans
, VLAN_N_VID
) {
2077 struct net_device
*netdev
;
2080 netdev
= __vlan_find_dev_deep(card
->dev
, vid
);
2082 if (netdev
== dev
) {
2083 rc
= QETH_VLAN_CARD
;
2088 if (rc
&& !(vlan_dev_real_dev(dev
)->ml_priv
== (void *)card
))
2094 static int qeth_l3_verify_dev(struct net_device
*dev
)
2096 struct qeth_card
*card
;
2097 unsigned long flags
;
2100 read_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
2101 list_for_each_entry(card
, &qeth_core_card_list
.list
, list
) {
2102 if (card
->dev
== dev
) {
2103 rc
= QETH_REAL_CARD
;
2106 rc
= qeth_l3_verify_vlan_dev(dev
, card
);
2110 read_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
2115 static struct qeth_card
*qeth_l3_get_card_from_dev(struct net_device
*dev
)
2117 struct qeth_card
*card
= NULL
;
2120 rc
= qeth_l3_verify_dev(dev
);
2121 if (rc
== QETH_REAL_CARD
)
2122 card
= dev
->ml_priv
;
2123 else if (rc
== QETH_VLAN_CARD
)
2124 card
= vlan_dev_real_dev(dev
)->ml_priv
;
2125 if (card
&& card
->options
.layer2
)
2128 QETH_CARD_TEXT_(card
, 4, "%d", rc
);
2132 static int qeth_l3_stop_card(struct qeth_card
*card
, int recovery_mode
)
2136 QETH_DBF_TEXT(SETUP
, 2, "stopcard");
2137 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
2139 qeth_set_allowed_threads(card
, 0, 1);
2140 if (card
->options
.sniffer
&&
2141 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
))
2142 qeth_diags_trace(card
, QETH_DIAGS_CMD_TRACE_DISABLE
);
2143 if (card
->read
.state
== CH_STATE_UP
&&
2144 card
->write
.state
== CH_STATE_UP
&&
2145 (card
->state
== CARD_STATE_UP
)) {
2147 qeth_l3_stop(card
->dev
);
2150 dev_close(card
->dev
);
2153 card
->state
= CARD_STATE_SOFTSETUP
;
2155 if (card
->state
== CARD_STATE_SOFTSETUP
) {
2156 qeth_l3_clear_ip_list(card
, 1);
2157 qeth_clear_ipacmd_list(card
);
2158 card
->state
= CARD_STATE_HARDSETUP
;
2160 if (card
->state
== CARD_STATE_HARDSETUP
) {
2161 qeth_qdio_clear_card(card
, 0);
2162 qeth_clear_qdio_buffers(card
);
2163 qeth_clear_working_pool_list(card
);
2164 card
->state
= CARD_STATE_DOWN
;
2166 if (card
->state
== CARD_STATE_DOWN
) {
2167 qeth_clear_cmd_buffers(&card
->read
);
2168 qeth_clear_cmd_buffers(&card
->write
);
2174 * test for and Switch promiscuous mode (on or off)
2175 * either for guestlan or HiperSocket Sniffer
2178 qeth_l3_handle_promisc_mode(struct qeth_card
*card
)
2180 struct net_device
*dev
= card
->dev
;
2182 if (((dev
->flags
& IFF_PROMISC
) &&
2183 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
)) ||
2184 (!(dev
->flags
& IFF_PROMISC
) &&
2185 (card
->info
.promisc_mode
== SET_PROMISC_MODE_OFF
)))
2188 if (card
->info
.guestlan
) { /* Guestlan trace */
2189 if (qeth_adp_supported(card
, IPA_SETADP_SET_PROMISC_MODE
))
2190 qeth_setadp_promisc_mode(card
);
2191 } else if (card
->options
.sniffer
&& /* HiperSockets trace */
2192 qeth_adp_supported(card
, IPA_SETADP_SET_DIAG_ASSIST
)) {
2193 if (dev
->flags
& IFF_PROMISC
) {
2194 QETH_CARD_TEXT(card
, 3, "+promisc");
2195 qeth_diags_trace(card
, QETH_DIAGS_CMD_TRACE_ENABLE
);
2197 QETH_CARD_TEXT(card
, 3, "-promisc");
2198 qeth_diags_trace(card
, QETH_DIAGS_CMD_TRACE_DISABLE
);
2203 static void qeth_l3_set_multicast_list(struct net_device
*dev
)
2205 struct qeth_card
*card
= dev
->ml_priv
;
2207 QETH_CARD_TEXT(card
, 3, "setmulti");
2208 if (qeth_threads_running(card
, QETH_RECOVER_THREAD
) &&
2209 (card
->state
!= CARD_STATE_UP
))
2211 if (!card
->options
.sniffer
) {
2212 qeth_l3_delete_mc_addresses(card
);
2213 qeth_l3_add_multicast_ipv4(card
);
2214 #ifdef CONFIG_QETH_IPV6
2215 qeth_l3_add_multicast_ipv6(card
);
2217 qeth_l3_set_ip_addr_list(card
);
2218 if (!qeth_adp_supported(card
, IPA_SETADP_SET_PROMISC_MODE
))
2221 qeth_l3_handle_promisc_mode(card
);
2224 static const char *qeth_l3_arp_get_error_cause(int *rc
)
2227 case QETH_IPA_ARP_RC_FAILED
:
2229 return "operation failed";
2230 case QETH_IPA_ARP_RC_NOTSUPP
:
2232 return "operation not supported";
2233 case QETH_IPA_ARP_RC_OUT_OF_RANGE
:
2235 return "argument out of range";
2236 case QETH_IPA_ARP_RC_Q_NOTSUPP
:
2238 return "query operation not supported";
2239 case QETH_IPA_ARP_RC_Q_NO_DATA
:
2241 return "no query data available";
2243 return "unknown error";
2247 static int qeth_l3_arp_set_no_entries(struct qeth_card
*card
, int no_entries
)
2252 QETH_CARD_TEXT(card
, 3, "arpstnoe");
2255 * currently GuestLAN only supports the ARP assist function
2256 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
2257 * thus we say EOPNOTSUPP for this ARP function
2259 if (card
->info
.guestlan
)
2261 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2264 rc
= qeth_l3_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
2265 IPA_CMD_ASS_ARP_SET_NO_ENTRIES
,
2269 QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on "
2270 "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card
),
2271 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2276 static __u32
get_arp_entry_size(struct qeth_card
*card
,
2277 struct qeth_arp_query_data
*qdata
,
2278 struct qeth_arp_entrytype
*type
, __u8 strip_entries
)
2283 is_hsi
= qdata
->reply_bits
== 5;
2284 if (type
->ip
== QETHARP_IP_ADDR_V4
) {
2285 QETH_CARD_TEXT(card
, 4, "arpev4");
2286 if (strip_entries
) {
2287 rc
= is_hsi
? sizeof(struct qeth_arp_qi_entry5_short
) :
2288 sizeof(struct qeth_arp_qi_entry7_short
);
2290 rc
= is_hsi
? sizeof(struct qeth_arp_qi_entry5
) :
2291 sizeof(struct qeth_arp_qi_entry7
);
2293 } else if (type
->ip
== QETHARP_IP_ADDR_V6
) {
2294 QETH_CARD_TEXT(card
, 4, "arpev6");
2295 if (strip_entries
) {
2297 sizeof(struct qeth_arp_qi_entry5_short_ipv6
) :
2298 sizeof(struct qeth_arp_qi_entry7_short_ipv6
);
2301 sizeof(struct qeth_arp_qi_entry5_ipv6
) :
2302 sizeof(struct qeth_arp_qi_entry7_ipv6
);
2305 QETH_CARD_TEXT(card
, 4, "arpinv");
2312 static int arpentry_matches_prot(struct qeth_arp_entrytype
*type
, __u16 prot
)
2314 return (type
->ip
== QETHARP_IP_ADDR_V4
&& prot
== QETH_PROT_IPV4
) ||
2315 (type
->ip
== QETHARP_IP_ADDR_V6
&& prot
== QETH_PROT_IPV6
);
2318 static int qeth_l3_arp_query_cb(struct qeth_card
*card
,
2319 struct qeth_reply
*reply
, unsigned long data
)
2321 struct qeth_ipa_cmd
*cmd
;
2322 struct qeth_arp_query_data
*qdata
;
2323 struct qeth_arp_query_info
*qinfo
;
2326 int entrybytes_done
;
2328 __u8 do_strip_entries
;
2330 QETH_CARD_TEXT(card
, 3, "arpquecb");
2332 qinfo
= (struct qeth_arp_query_info
*) reply
->param
;
2333 cmd
= (struct qeth_ipa_cmd
*) data
;
2334 QETH_CARD_TEXT_(card
, 4, "%i", cmd
->hdr
.prot_version
);
2335 if (cmd
->hdr
.return_code
) {
2336 QETH_CARD_TEXT(card
, 4, "arpcberr");
2337 QETH_CARD_TEXT_(card
, 4, "%i", cmd
->hdr
.return_code
);
2340 if (cmd
->data
.setassparms
.hdr
.return_code
) {
2341 cmd
->hdr
.return_code
= cmd
->data
.setassparms
.hdr
.return_code
;
2342 QETH_CARD_TEXT(card
, 4, "setaperr");
2343 QETH_CARD_TEXT_(card
, 4, "%i", cmd
->hdr
.return_code
);
2346 qdata
= &cmd
->data
.setassparms
.data
.query_arp
;
2347 QETH_CARD_TEXT_(card
, 4, "anoen%i", qdata
->no_entries
);
2349 do_strip_entries
= (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
) > 0;
2350 stripped_bytes
= do_strip_entries
? QETH_QARP_MEDIASPECIFIC_BYTES
: 0;
2351 entrybytes_done
= 0;
2352 for (e
= 0; e
< qdata
->no_entries
; ++e
) {
2355 struct qeth_arp_entrytype
*etype
;
2357 cur_entry
= &qdata
->data
+ entrybytes_done
;
2358 etype
= &((struct qeth_arp_qi_entry5
*) cur_entry
)->type
;
2359 if (!arpentry_matches_prot(etype
, cmd
->hdr
.prot_version
)) {
2360 QETH_CARD_TEXT(card
, 4, "pmis");
2361 QETH_CARD_TEXT_(card
, 4, "%i", etype
->ip
);
2364 esize
= get_arp_entry_size(card
, qdata
, etype
,
2366 QETH_CARD_TEXT_(card
, 5, "esz%i", esize
);
2370 if ((qinfo
->udata_len
- qinfo
->udata_offset
) < esize
) {
2371 QETH_CARD_TEXT_(card
, 4, "qaer3%i", -ENOMEM
);
2372 cmd
->hdr
.return_code
= IPA_RC_ENOMEM
;
2376 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
2377 &qdata
->data
+ entrybytes_done
+ stripped_bytes
,
2379 entrybytes_done
+= esize
+ stripped_bytes
;
2380 qinfo
->udata_offset
+= esize
;
2381 ++qinfo
->no_entries
;
2383 /* check if all replies received ... */
2384 if (cmd
->data
.setassparms
.hdr
.seq_no
<
2385 cmd
->data
.setassparms
.hdr
.number_of_replies
)
2387 QETH_CARD_TEXT_(card
, 4, "nove%i", qinfo
->no_entries
);
2388 memcpy(qinfo
->udata
, &qinfo
->no_entries
, 4);
2389 /* keep STRIP_ENTRIES flag so the user program can distinguish
2390 * stripped entries from normal ones */
2391 if (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
)
2392 qdata
->reply_bits
|= QETH_QARP_STRIP_ENTRIES
;
2393 memcpy(qinfo
->udata
+ QETH_QARP_MASK_OFFSET
, &qdata
->reply_bits
, 2);
2394 QETH_CARD_TEXT_(card
, 4, "rc%i", 0);
2398 memcpy(qinfo
->udata
, &i
, 4);
2402 static int qeth_l3_send_ipa_arp_cmd(struct qeth_card
*card
,
2403 struct qeth_cmd_buffer
*iob
, int len
,
2404 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
2408 QETH_CARD_TEXT(card
, 4, "sendarp");
2410 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
2411 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
2412 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2413 return qeth_send_control_data(card
, IPA_PDU_HEADER_SIZE
+ len
, iob
,
2414 reply_cb
, reply_param
);
2417 static int qeth_l3_query_arp_cache_info(struct qeth_card
*card
,
2418 enum qeth_prot_versions prot
,
2419 struct qeth_arp_query_info
*qinfo
)
2421 struct qeth_cmd_buffer
*iob
;
2422 struct qeth_ipa_cmd
*cmd
;
2426 QETH_CARD_TEXT_(card
, 3, "qarpipv%i", prot
);
2428 iob
= qeth_l3_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
2429 IPA_CMD_ASS_ARP_QUERY_INFO
,
2430 sizeof(struct qeth_arp_query_data
) - sizeof(char),
2432 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2433 cmd
->data
.setassparms
.data
.query_arp
.request_bits
= 0x000F;
2434 cmd
->data
.setassparms
.data
.query_arp
.reply_bits
= 0;
2435 cmd
->data
.setassparms
.data
.query_arp
.no_entries
= 0;
2436 rc
= qeth_l3_send_ipa_arp_cmd(card
, iob
,
2437 QETH_SETASS_BASE_LEN
+QETH_ARP_CMD_LEN
,
2438 qeth_l3_arp_query_cb
, (void *)qinfo
);
2442 "Error while querying ARP cache on %s: %s "
2443 "(0x%x/%d)\n", QETH_CARD_IFNAME(card
),
2444 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2450 static int qeth_l3_arp_query(struct qeth_card
*card
, char __user
*udata
)
2452 struct qeth_arp_query_info qinfo
= {0, };
2455 QETH_CARD_TEXT(card
, 3, "arpquery");
2457 if (!qeth_is_supported(card
,/*IPA_QUERY_ARP_ADDR_INFO*/
2458 IPA_ARP_PROCESSING
)) {
2459 QETH_CARD_TEXT(card
, 3, "arpqnsup");
2463 /* get size of userspace buffer and mask_bits -> 6 bytes */
2464 if (copy_from_user(&qinfo
, udata
, 6)) {
2468 qinfo
.udata
= kzalloc(qinfo
.udata_len
, GFP_KERNEL
);
2473 qinfo
.udata_offset
= QETH_QARP_ENTRIES_OFFSET
;
2474 rc
= qeth_l3_query_arp_cache_info(card
, QETH_PROT_IPV4
, &qinfo
);
2476 if (copy_to_user(udata
, qinfo
.udata
, 4))
2480 #ifdef CONFIG_QETH_IPV6
2481 if (qinfo
.mask_bits
& QETH_QARP_WITH_IPV6
) {
2482 /* fails in case of GuestLAN QDIO mode */
2483 qeth_l3_query_arp_cache_info(card
, QETH_PROT_IPV6
,
2487 if (copy_to_user(udata
, qinfo
.udata
, qinfo
.udata_len
)) {
2488 QETH_CARD_TEXT(card
, 4, "qactf");
2492 QETH_CARD_TEXT_(card
, 4, "qacts");
2500 static int qeth_l3_arp_add_entry(struct qeth_card
*card
,
2501 struct qeth_arp_cache_entry
*entry
)
2503 struct qeth_cmd_buffer
*iob
;
2508 QETH_CARD_TEXT(card
, 3, "arpadent");
2511 * currently GuestLAN only supports the ARP assist function
2512 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
2513 * thus we say EOPNOTSUPP for this ARP function
2515 if (card
->info
.guestlan
)
2517 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2521 iob
= qeth_l3_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
2522 IPA_CMD_ASS_ARP_ADD_ENTRY
,
2523 sizeof(struct qeth_arp_cache_entry
),
2525 rc
= qeth_l3_send_setassparms(card
, iob
,
2526 sizeof(struct qeth_arp_cache_entry
),
2527 (unsigned long) entry
,
2528 qeth_l3_default_setassparms_cb
, NULL
);
2531 qeth_l3_ipaddr4_to_string((u8
*)entry
->ipaddr
, buf
);
2532 QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s "
2533 "on %s: %s (0x%x/%d)\n", buf
, QETH_CARD_IFNAME(card
),
2534 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2539 static int qeth_l3_arp_remove_entry(struct qeth_card
*card
,
2540 struct qeth_arp_cache_entry
*entry
)
2542 struct qeth_cmd_buffer
*iob
;
2543 char buf
[16] = {0, };
2547 QETH_CARD_TEXT(card
, 3, "arprment");
2550 * currently GuestLAN only supports the ARP assist function
2551 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
2552 * thus we say EOPNOTSUPP for this ARP function
2554 if (card
->info
.guestlan
)
2556 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2559 memcpy(buf
, entry
, 12);
2560 iob
= qeth_l3_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
2561 IPA_CMD_ASS_ARP_REMOVE_ENTRY
,
2564 rc
= qeth_l3_send_setassparms(card
, iob
,
2565 12, (unsigned long)buf
,
2566 qeth_l3_default_setassparms_cb
, NULL
);
2570 qeth_l3_ipaddr4_to_string((u8
*)entry
->ipaddr
, buf
);
2571 QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s"
2572 " on %s: %s (0x%x/%d)\n", buf
, QETH_CARD_IFNAME(card
),
2573 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2578 static int qeth_l3_arp_flush_cache(struct qeth_card
*card
)
2583 QETH_CARD_TEXT(card
, 3, "arpflush");
2586 * currently GuestLAN only supports the ARP assist function
2587 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
2588 * thus we say EOPNOTSUPP for this ARP function
2590 if (card
->info
.guestlan
|| (card
->info
.type
== QETH_CARD_TYPE_IQD
))
2592 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2595 rc
= qeth_l3_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
2596 IPA_CMD_ASS_ARP_FLUSH_CACHE
, 0);
2599 QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s "
2600 "(0x%x/%d)\n", QETH_CARD_IFNAME(card
),
2601 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2606 static int qeth_l3_do_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
)
2608 struct qeth_card
*card
= dev
->ml_priv
;
2609 struct qeth_arp_cache_entry arp_entry
;
2610 struct mii_ioctl_data
*mii_data
;
2616 if ((card
->state
!= CARD_STATE_UP
) &&
2617 (card
->state
!= CARD_STATE_SOFTSETUP
))
2621 case SIOC_QETH_ARP_SET_NO_ENTRIES
:
2622 if (!capable(CAP_NET_ADMIN
)) {
2626 rc
= qeth_l3_arp_set_no_entries(card
, rq
->ifr_ifru
.ifru_ivalue
);
2628 case SIOC_QETH_ARP_QUERY_INFO
:
2629 if (!capable(CAP_NET_ADMIN
)) {
2633 rc
= qeth_l3_arp_query(card
, rq
->ifr_ifru
.ifru_data
);
2635 case SIOC_QETH_ARP_ADD_ENTRY
:
2636 if (!capable(CAP_NET_ADMIN
)) {
2640 if (copy_from_user(&arp_entry
, rq
->ifr_ifru
.ifru_data
,
2641 sizeof(struct qeth_arp_cache_entry
)))
2644 rc
= qeth_l3_arp_add_entry(card
, &arp_entry
);
2646 case SIOC_QETH_ARP_REMOVE_ENTRY
:
2647 if (!capable(CAP_NET_ADMIN
)) {
2651 if (copy_from_user(&arp_entry
, rq
->ifr_ifru
.ifru_data
,
2652 sizeof(struct qeth_arp_cache_entry
)))
2655 rc
= qeth_l3_arp_remove_entry(card
, &arp_entry
);
2657 case SIOC_QETH_ARP_FLUSH_CACHE
:
2658 if (!capable(CAP_NET_ADMIN
)) {
2662 rc
= qeth_l3_arp_flush_cache(card
);
2664 case SIOC_QETH_ADP_SET_SNMP_CONTROL
:
2665 rc
= qeth_snmp_command(card
, rq
->ifr_ifru
.ifru_data
);
2667 case SIOC_QETH_GET_CARD_TYPE
:
2668 if ((card
->info
.type
== QETH_CARD_TYPE_OSD
||
2669 card
->info
.type
== QETH_CARD_TYPE_OSX
) &&
2670 !card
->info
.guestlan
)
2675 mii_data
= if_mii(rq
);
2676 mii_data
->phy_id
= 0;
2679 mii_data
= if_mii(rq
);
2680 if (mii_data
->phy_id
!= 0)
2683 mii_data
->val_out
= qeth_mdio_read(dev
,
2687 case SIOC_QETH_QUERY_OAT
:
2688 rc
= qeth_query_oat_command(card
, rq
->ifr_ifru
.ifru_data
);
2694 QETH_CARD_TEXT_(card
, 2, "ioce%d", rc
);
2698 int inline qeth_l3_get_cast_type(struct qeth_card
*card
, struct sk_buff
*skb
)
2700 int cast_type
= RTN_UNSPEC
;
2701 struct neighbour
*n
= NULL
;
2702 struct dst_entry
*dst
;
2707 n
= dst_neigh_lookup_skb(dst
, skb
);
2709 cast_type
= n
->type
;
2712 if ((cast_type
== RTN_BROADCAST
) ||
2713 (cast_type
== RTN_MULTICAST
) ||
2714 (cast_type
== RTN_ANYCAST
))
2721 /* try something else */
2722 if (skb
->protocol
== ETH_P_IPV6
)
2723 return (skb_network_header(skb
)[24] == 0xff) ?
2725 else if (skb
->protocol
== ETH_P_IP
)
2726 return ((skb_network_header(skb
)[16] & 0xf0) == 0xe0) ?
2729 if (!memcmp(skb
->data
, skb
->dev
->broadcast
, 6))
2730 return RTN_BROADCAST
;
2734 hdr_mac
= *((u16
*)skb
->data
);
2736 switch (card
->info
.link_type
) {
2737 case QETH_LINK_TYPE_HSTR
:
2738 case QETH_LINK_TYPE_LANE_TR
:
2739 if ((hdr_mac
== QETH_TR_MAC_NC
) ||
2740 (hdr_mac
== QETH_TR_MAC_C
))
2741 return RTN_MULTICAST
;
2743 /* eth or so multicast? */
2745 if ((hdr_mac
== QETH_ETH_MAC_V4
) ||
2746 (hdr_mac
== QETH_ETH_MAC_V6
))
2747 return RTN_MULTICAST
;
2753 static void qeth_l3_fill_af_iucv_hdr(struct qeth_card
*card
,
2754 struct qeth_hdr
*hdr
, struct sk_buff
*skb
)
2757 struct af_iucv_trans_hdr
*iucv_hdr
;
2760 card
->dev
->header_ops
->create(skb
, card
->dev
, 0,
2761 card
->dev
->dev_addr
, card
->dev
->dev_addr
,
2762 card
->dev
->addr_len
);
2764 iucv_hdr
= (struct af_iucv_trans_hdr
*)skb
->data
;
2765 memset(hdr
, 0, sizeof(struct qeth_hdr
));
2766 hdr
->hdr
.l3
.id
= QETH_HEADER_TYPE_LAYER3
;
2767 hdr
->hdr
.l3
.ext_flags
= 0;
2768 hdr
->hdr
.l3
.length
= skb
->len
;
2769 hdr
->hdr
.l3
.flags
= QETH_HDR_IPV6
| QETH_CAST_UNICAST
;
2770 memset(daddr
, 0, sizeof(daddr
));
2773 memcpy(&daddr
[8], iucv_hdr
->destUserID
, 8);
2774 memcpy(hdr
->hdr
.l3
.dest_addr
, daddr
, 16);
2777 static void qeth_l3_fill_header(struct qeth_card
*card
, struct qeth_hdr
*hdr
,
2778 struct sk_buff
*skb
, int ipv
, int cast_type
)
2780 struct dst_entry
*dst
;
2782 memset(hdr
, 0, sizeof(struct qeth_hdr
));
2783 hdr
->hdr
.l3
.id
= QETH_HEADER_TYPE_LAYER3
;
2784 hdr
->hdr
.l3
.ext_flags
= 0;
2787 * before we're going to overwrite this location with next hop ip.
2788 * v6 uses passthrough, v4 sets the tag in the QDIO header.
2790 if (vlan_tx_tag_present(skb
)) {
2791 if ((ipv
== 4) || (card
->info
.type
== QETH_CARD_TYPE_IQD
))
2792 hdr
->hdr
.l3
.ext_flags
= QETH_HDR_EXT_VLAN_FRAME
;
2794 hdr
->hdr
.l3
.ext_flags
= QETH_HDR_EXT_INCLUDE_VLAN_TAG
;
2795 hdr
->hdr
.l3
.vlan_id
= vlan_tx_tag_get(skb
);
2798 hdr
->hdr
.l3
.length
= skb
->len
- sizeof(struct qeth_hdr
);
2803 struct rtable
*rt
= (struct rtable
*) dst
;
2804 __be32
*pkey
= &ip_hdr(skb
)->daddr
;
2807 pkey
= &rt
->rt_gateway
;
2810 hdr
->hdr
.l3
.flags
= qeth_l3_get_qeth_hdr_flags4(cast_type
);
2811 memset(hdr
->hdr
.l3
.dest_addr
, 0, 12);
2812 *((__be32
*) (&hdr
->hdr
.l3
.dest_addr
[12])) = *pkey
;
2813 } else if (ipv
== 6) {
2814 struct rt6_info
*rt
= (struct rt6_info
*) dst
;
2815 struct in6_addr
*pkey
= &ipv6_hdr(skb
)->daddr
;
2817 if (!ipv6_addr_any(&rt
->rt6i_gateway
))
2818 pkey
= &rt
->rt6i_gateway
;
2821 hdr
->hdr
.l3
.flags
= qeth_l3_get_qeth_hdr_flags6(cast_type
);
2822 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
2823 hdr
->hdr
.l3
.flags
&= ~QETH_HDR_PASSTHRU
;
2824 memcpy(hdr
->hdr
.l3
.dest_addr
, pkey
, 16);
2826 if (!memcmp(skb
->data
+ sizeof(struct qeth_hdr
),
2827 skb
->dev
->broadcast
, 6)) {
2829 hdr
->hdr
.l3
.flags
= QETH_CAST_BROADCAST
|
2832 hdr
->hdr
.l3
.flags
= (cast_type
== RTN_MULTICAST
) ?
2833 QETH_CAST_MULTICAST
| QETH_HDR_PASSTHRU
:
2834 QETH_CAST_UNICAST
| QETH_HDR_PASSTHRU
;
2840 static inline void qeth_l3_hdr_csum(struct qeth_card
*card
,
2841 struct qeth_hdr
*hdr
, struct sk_buff
*skb
)
2843 struct iphdr
*iph
= ip_hdr(skb
);
2845 /* tcph->check contains already the pseudo hdr checksum
2846 * so just set the header flags
2848 if (iph
->protocol
== IPPROTO_UDP
)
2849 hdr
->hdr
.l3
.ext_flags
|= QETH_HDR_EXT_UDP
;
2850 hdr
->hdr
.l3
.ext_flags
|= QETH_HDR_EXT_CSUM_TRANSP_REQ
|
2851 QETH_HDR_EXT_CSUM_HDR_REQ
;
2853 if (card
->options
.performance_stats
)
2854 card
->perf_stats
.tx_csum
++;
2857 static void qeth_tso_fill_header(struct qeth_card
*card
,
2858 struct qeth_hdr
*qhdr
, struct sk_buff
*skb
)
2860 struct qeth_hdr_tso
*hdr
= (struct qeth_hdr_tso
*)qhdr
;
2861 struct tcphdr
*tcph
= tcp_hdr(skb
);
2862 struct iphdr
*iph
= ip_hdr(skb
);
2863 struct ipv6hdr
*ip6h
= ipv6_hdr(skb
);
2865 /*fix header to TSO values ...*/
2866 hdr
->hdr
.hdr
.l3
.id
= QETH_HEADER_TYPE_TSO
;
2867 hdr
->hdr
.hdr
.l3
.length
= skb
->len
- sizeof(struct qeth_hdr_tso
);
2868 /*set values which are fix for the first approach ...*/
2869 hdr
->ext
.hdr_tot_len
= (__u16
) sizeof(struct qeth_hdr_ext_tso
);
2870 hdr
->ext
.imb_hdr_no
= 1;
2871 hdr
->ext
.hdr_type
= 1;
2872 hdr
->ext
.hdr_version
= 1;
2873 hdr
->ext
.hdr_len
= 28;
2874 /*insert non-fix values */
2875 hdr
->ext
.mss
= skb_shinfo(skb
)->gso_size
;
2876 hdr
->ext
.dg_hdr_len
= (__u16
)(iph
->ihl
*4 + tcph
->doff
*4);
2877 hdr
->ext
.payload_len
= (__u16
)(skb
->len
- hdr
->ext
.dg_hdr_len
-
2878 sizeof(struct qeth_hdr_tso
));
2880 if (skb
->protocol
== ETH_P_IPV6
) {
2881 ip6h
->payload_len
= 0;
2882 tcph
->check
= ~csum_ipv6_magic(&ip6h
->saddr
, &ip6h
->daddr
,
2885 /*OSA want us to set these values ...*/
2886 tcph
->check
= ~csum_tcpudp_magic(iph
->saddr
, iph
->daddr
,
2893 static inline int qeth_l3_tso_elements(struct sk_buff
*skb
)
2895 unsigned long tcpd
= (unsigned long)tcp_hdr(skb
) +
2896 tcp_hdr(skb
)->doff
* 4;
2897 int tcpd_len
= skb
->len
- (tcpd
- (unsigned long)skb
->data
);
2898 int elements
= PFN_UP(tcpd
+ tcpd_len
- 1) - PFN_DOWN(tcpd
);
2899 elements
+= skb_shinfo(skb
)->nr_frags
;
2903 static int qeth_l3_hard_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
2907 struct qeth_hdr
*hdr
= NULL
;
2908 int elements_needed
= 0;
2910 struct qeth_card
*card
= dev
->ml_priv
;
2911 struct sk_buff
*new_skb
= NULL
;
2912 int ipv
= qeth_get_ip_version(skb
);
2913 int cast_type
= qeth_l3_get_cast_type(card
, skb
);
2914 struct qeth_qdio_out_q
*queue
= card
->qdio
.out_qs
2915 [qeth_get_priority_queue(card
, skb
, ipv
, cast_type
)];
2916 int tx_bytes
= skb
->len
;
2918 int data_offset
= -1;
2921 if (((card
->info
.type
== QETH_CARD_TYPE_IQD
) &&
2922 (((card
->options
.cq
!= QETH_CQ_ENABLED
) && !ipv
) ||
2923 ((card
->options
.cq
== QETH_CQ_ENABLED
) &&
2924 (skb
->protocol
!= ETH_P_AF_IUCV
)))) ||
2925 card
->options
.sniffer
)
2928 if ((card
->state
!= CARD_STATE_UP
) || !card
->lan_online
) {
2929 card
->stats
.tx_carrier_errors
++;
2933 if ((cast_type
== RTN_BROADCAST
) &&
2934 (card
->info
.broadcast_capable
== 0))
2937 if (card
->options
.performance_stats
) {
2938 card
->perf_stats
.outbound_cnt
++;
2939 card
->perf_stats
.outbound_start_time
= qeth_get_micros();
2942 large_send
= skb_is_gso(skb
);
2944 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) && (!large_send
) &&
2945 (skb_shinfo(skb
)->nr_frags
== 0)) {
2947 if (new_skb
->protocol
== ETH_P_AF_IUCV
)
2950 data_offset
= ETH_HLEN
;
2951 hdr
= kmem_cache_alloc(qeth_core_header_cache
, GFP_ATOMIC
);
2956 /* create a clone with writeable headroom */
2957 new_skb
= skb_realloc_headroom(skb
, sizeof(struct qeth_hdr_tso
)
2963 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
2964 if (data_offset
< 0)
2965 skb_pull(new_skb
, ETH_HLEN
);
2968 skb_pull(new_skb
, ETH_HLEN
);
2971 if (ipv
!= 4 && vlan_tx_tag_present(new_skb
)) {
2972 skb_push(new_skb
, VLAN_HLEN
);
2973 skb_copy_to_linear_data(new_skb
, new_skb
->data
+ 4, 4);
2974 skb_copy_to_linear_data_offset(new_skb
, 4,
2975 new_skb
->data
+ 8, 4);
2976 skb_copy_to_linear_data_offset(new_skb
, 8,
2977 new_skb
->data
+ 12, 4);
2978 tag
= (u16
*)(new_skb
->data
+ 12);
2979 *tag
= __constant_htons(ETH_P_8021Q
);
2980 *(tag
+ 1) = htons(vlan_tx_tag_get(new_skb
));
2984 netif_stop_queue(dev
);
2986 /* fix hardware limitation: as long as we do not have sbal
2987 * chaining we can not send long frag lists
2990 if (qeth_l3_tso_elements(new_skb
) + 1 > 16) {
2991 if (skb_linearize(new_skb
))
2993 if (card
->options
.performance_stats
)
2994 card
->perf_stats
.tx_lin
++;
2998 if (large_send
&& (cast_type
== RTN_UNSPEC
)) {
2999 hdr
= (struct qeth_hdr
*)skb_push(new_skb
,
3000 sizeof(struct qeth_hdr_tso
));
3001 memset(hdr
, 0, sizeof(struct qeth_hdr_tso
));
3002 qeth_l3_fill_header(card
, hdr
, new_skb
, ipv
, cast_type
);
3003 qeth_tso_fill_header(card
, hdr
, new_skb
);
3006 if (data_offset
< 0) {
3007 hdr
= (struct qeth_hdr
*)skb_push(new_skb
,
3008 sizeof(struct qeth_hdr
));
3009 qeth_l3_fill_header(card
, hdr
, new_skb
, ipv
,
3012 if (new_skb
->protocol
== ETH_P_AF_IUCV
)
3013 qeth_l3_fill_af_iucv_hdr(card
, hdr
, new_skb
);
3015 qeth_l3_fill_header(card
, hdr
, new_skb
, ipv
,
3017 hdr
->hdr
.l3
.length
= new_skb
->len
- data_offset
;
3021 if (skb
->ip_summed
== CHECKSUM_PARTIAL
)
3022 qeth_l3_hdr_csum(card
, hdr
, new_skb
);
3025 elems
= qeth_get_elements_no(card
, (void *)hdr
, new_skb
,
3028 if (data_offset
>= 0)
3029 kmem_cache_free(qeth_core_header_cache
, hdr
);
3032 elements_needed
+= elems
;
3033 nr_frags
= skb_shinfo(new_skb
)->nr_frags
;
3035 if (card
->info
.type
!= QETH_CARD_TYPE_IQD
) {
3038 len
= ((unsigned long)tcp_hdr(new_skb
) +
3039 tcp_hdr(new_skb
)->doff
* 4) -
3040 (unsigned long)new_skb
->data
;
3042 len
= sizeof(struct qeth_hdr_layer3
);
3044 if (qeth_hdr_chk_and_bounce(new_skb
, len
))
3046 rc
= qeth_do_send_packet(card
, queue
, new_skb
, hdr
,
3049 rc
= qeth_do_send_packet_fast(card
, queue
, new_skb
, hdr
,
3050 elements_needed
, data_offset
, 0);
3053 card
->stats
.tx_packets
++;
3054 card
->stats
.tx_bytes
+= tx_bytes
;
3056 dev_kfree_skb_any(skb
);
3057 if (card
->options
.performance_stats
) {
3059 card
->perf_stats
.large_send_bytes
+= tx_bytes
;
3060 card
->perf_stats
.large_send_cnt
++;
3063 card
->perf_stats
.sg_skbs_sent
++;
3064 /* nr_frags + skb->data */
3065 card
->perf_stats
.sg_frags_sent
+= nr_frags
+ 1;
3070 if (data_offset
>= 0)
3071 kmem_cache_free(qeth_core_header_cache
, hdr
);
3075 dev_kfree_skb_any(new_skb
);
3076 return NETDEV_TX_BUSY
;
3081 netif_wake_queue(dev
);
3082 if (card
->options
.performance_stats
)
3083 card
->perf_stats
.outbound_time
+= qeth_get_micros() -
3084 card
->perf_stats
.outbound_start_time
;
3088 card
->stats
.tx_dropped
++;
3089 card
->stats
.tx_errors
++;
3090 if ((new_skb
!= skb
) && new_skb
)
3091 dev_kfree_skb_any(new_skb
);
3092 dev_kfree_skb_any(skb
);
3093 netif_wake_queue(dev
);
3094 return NETDEV_TX_OK
;
3097 static int __qeth_l3_open(struct net_device
*dev
)
3099 struct qeth_card
*card
= dev
->ml_priv
;
3102 QETH_CARD_TEXT(card
, 4, "qethopen");
3103 if (card
->state
== CARD_STATE_UP
)
3105 if (card
->state
!= CARD_STATE_SOFTSETUP
)
3107 card
->data
.state
= CH_STATE_UP
;
3108 card
->state
= CARD_STATE_UP
;
3109 netif_start_queue(dev
);
3111 if (qdio_stop_irq(card
->data
.ccwdev
, 0) >= 0) {
3112 napi_enable(&card
->napi
);
3113 napi_schedule(&card
->napi
);
3119 static int qeth_l3_open(struct net_device
*dev
)
3121 struct qeth_card
*card
= dev
->ml_priv
;
3123 QETH_CARD_TEXT(card
, 5, "qethope_");
3124 if (qeth_wait_for_threads(card
, QETH_RECOVER_THREAD
)) {
3125 QETH_CARD_TEXT(card
, 3, "openREC");
3126 return -ERESTARTSYS
;
3128 return __qeth_l3_open(dev
);
3131 static int qeth_l3_stop(struct net_device
*dev
)
3133 struct qeth_card
*card
= dev
->ml_priv
;
3135 QETH_CARD_TEXT(card
, 4, "qethstop");
3136 netif_tx_disable(dev
);
3137 if (card
->state
== CARD_STATE_UP
) {
3138 card
->state
= CARD_STATE_SOFTSETUP
;
3139 napi_disable(&card
->napi
);
3144 static netdev_features_t
qeth_l3_fix_features(struct net_device
*dev
,
3145 netdev_features_t features
)
3147 struct qeth_card
*card
= dev
->ml_priv
;
3149 if (!qeth_is_supported(card
, IPA_OUTBOUND_CHECKSUM
))
3150 features
&= ~NETIF_F_IP_CSUM
;
3151 if (!qeth_is_supported(card
, IPA_OUTBOUND_TSO
))
3152 features
&= ~NETIF_F_TSO
;
3153 if (!qeth_is_supported(card
, IPA_INBOUND_CHECKSUM
))
3154 features
&= ~NETIF_F_RXCSUM
;
3159 static int qeth_l3_set_features(struct net_device
*dev
,
3160 netdev_features_t features
)
3162 struct qeth_card
*card
= dev
->ml_priv
;
3163 u32 changed
= dev
->features
^ features
;
3166 if (!(changed
& NETIF_F_RXCSUM
))
3169 if (card
->state
== CARD_STATE_DOWN
||
3170 card
->state
== CARD_STATE_RECOVER
)
3173 err
= qeth_l3_set_rx_csum(card
, features
& NETIF_F_RXCSUM
);
3175 dev
->features
= features
^ NETIF_F_RXCSUM
;
3180 static const struct ethtool_ops qeth_l3_ethtool_ops
= {
3181 .get_link
= ethtool_op_get_link
,
3182 .get_strings
= qeth_core_get_strings
,
3183 .get_ethtool_stats
= qeth_core_get_ethtool_stats
,
3184 .get_sset_count
= qeth_core_get_sset_count
,
3185 .get_drvinfo
= qeth_core_get_drvinfo
,
3186 .get_settings
= qeth_core_ethtool_get_settings
,
3190 * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting
3191 * NOARP on the netdevice is no option because it also turns off neighbor
3192 * solicitation. For IPv4 we install a neighbor_setup function. We don't want
3193 * arp resolution but we want the hard header (packet socket will work
3196 static int qeth_l3_neigh_setup_noarp(struct neighbour
*n
)
3198 n
->nud_state
= NUD_NOARP
;
3199 memcpy(n
->ha
, "FAKELL", 6);
3200 n
->output
= n
->ops
->connected_output
;
3205 qeth_l3_neigh_setup(struct net_device
*dev
, struct neigh_parms
*np
)
3207 if (np
->tbl
->family
== AF_INET
)
3208 np
->neigh_setup
= qeth_l3_neigh_setup_noarp
;
3213 static const struct net_device_ops qeth_l3_netdev_ops
= {
3214 .ndo_open
= qeth_l3_open
,
3215 .ndo_stop
= qeth_l3_stop
,
3216 .ndo_get_stats
= qeth_get_stats
,
3217 .ndo_start_xmit
= qeth_l3_hard_start_xmit
,
3218 .ndo_validate_addr
= eth_validate_addr
,
3219 .ndo_set_rx_mode
= qeth_l3_set_multicast_list
,
3220 .ndo_do_ioctl
= qeth_l3_do_ioctl
,
3221 .ndo_change_mtu
= qeth_change_mtu
,
3222 .ndo_fix_features
= qeth_l3_fix_features
,
3223 .ndo_set_features
= qeth_l3_set_features
,
3224 .ndo_vlan_rx_add_vid
= qeth_l3_vlan_rx_add_vid
,
3225 .ndo_vlan_rx_kill_vid
= qeth_l3_vlan_rx_kill_vid
,
3226 .ndo_tx_timeout
= qeth_tx_timeout
,
3229 static const struct net_device_ops qeth_l3_osa_netdev_ops
= {
3230 .ndo_open
= qeth_l3_open
,
3231 .ndo_stop
= qeth_l3_stop
,
3232 .ndo_get_stats
= qeth_get_stats
,
3233 .ndo_start_xmit
= qeth_l3_hard_start_xmit
,
3234 .ndo_validate_addr
= eth_validate_addr
,
3235 .ndo_set_rx_mode
= qeth_l3_set_multicast_list
,
3236 .ndo_do_ioctl
= qeth_l3_do_ioctl
,
3237 .ndo_change_mtu
= qeth_change_mtu
,
3238 .ndo_fix_features
= qeth_l3_fix_features
,
3239 .ndo_set_features
= qeth_l3_set_features
,
3240 .ndo_vlan_rx_add_vid
= qeth_l3_vlan_rx_add_vid
,
3241 .ndo_vlan_rx_kill_vid
= qeth_l3_vlan_rx_kill_vid
,
3242 .ndo_tx_timeout
= qeth_tx_timeout
,
3243 .ndo_neigh_setup
= qeth_l3_neigh_setup
,
3246 static int qeth_l3_setup_netdev(struct qeth_card
*card
)
3248 if (card
->info
.type
== QETH_CARD_TYPE_OSD
||
3249 card
->info
.type
== QETH_CARD_TYPE_OSX
) {
3250 if ((card
->info
.link_type
== QETH_LINK_TYPE_LANE_TR
) ||
3251 (card
->info
.link_type
== QETH_LINK_TYPE_HSTR
)) {
3252 pr_info("qeth_l3: ignoring TR device\n");
3255 card
->dev
= alloc_etherdev(0);
3258 card
->dev
->netdev_ops
= &qeth_l3_osa_netdev_ops
;
3260 /*IPv6 address autoconfiguration stuff*/
3261 qeth_l3_get_unique_id(card
);
3262 if (!(card
->info
.unique_id
& UNIQUE_ID_NOT_BY_CARD
))
3263 card
->dev
->dev_id
= card
->info
.unique_id
&
3265 if (!card
->info
.guestlan
) {
3266 card
->dev
->hw_features
= NETIF_F_SG
|
3267 NETIF_F_RXCSUM
| NETIF_F_IP_CSUM
|
3269 card
->dev
->features
= NETIF_F_RXCSUM
;
3272 } else if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
3273 card
->dev
= alloc_netdev(0, "hsi%d", ether_setup
);
3276 card
->dev
->flags
|= IFF_NOARP
;
3277 card
->dev
->netdev_ops
= &qeth_l3_netdev_ops
;
3278 qeth_l3_iqd_read_initial_mac(card
);
3279 if (card
->options
.hsuid
[0])
3280 memcpy(card
->dev
->perm_addr
, card
->options
.hsuid
, 9);
3284 card
->dev
->ml_priv
= card
;
3285 card
->dev
->watchdog_timeo
= QETH_TX_TIMEOUT
;
3286 card
->dev
->mtu
= card
->info
.initial_mtu
;
3287 SET_ETHTOOL_OPS(card
->dev
, &qeth_l3_ethtool_ops
);
3288 card
->dev
->features
|= NETIF_F_HW_VLAN_TX
|
3289 NETIF_F_HW_VLAN_RX
|
3290 NETIF_F_HW_VLAN_FILTER
;
3291 card
->dev
->priv_flags
&= ~IFF_XMIT_DST_RELEASE
;
3292 card
->dev
->gso_max_size
= 15 * PAGE_SIZE
;
3294 SET_NETDEV_DEV(card
->dev
, &card
->gdev
->dev
);
3295 netif_napi_add(card
->dev
, &card
->napi
, qeth_l3_poll
, QETH_NAPI_WEIGHT
);
3296 return register_netdev(card
->dev
);
3299 static int qeth_l3_probe_device(struct ccwgroup_device
*gdev
)
3301 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3303 qeth_l3_create_device_attributes(&gdev
->dev
);
3304 card
->options
.layer2
= 0;
3305 card
->info
.hwtrap
= 0;
3309 static void qeth_l3_remove_device(struct ccwgroup_device
*cgdev
)
3311 struct qeth_card
*card
= dev_get_drvdata(&cgdev
->dev
);
3313 qeth_l3_remove_device_attributes(&cgdev
->dev
);
3315 qeth_set_allowed_threads(card
, 0, 1);
3316 wait_event(card
->wait_q
, qeth_threads_running(card
, 0xffffffff) == 0);
3318 if (cgdev
->state
== CCWGROUP_ONLINE
)
3319 qeth_l3_set_offline(cgdev
);
3322 unregister_netdev(card
->dev
);
3326 qeth_l3_clear_ip_list(card
, 0);
3327 qeth_l3_clear_ipato_list(card
);
3331 static int __qeth_l3_set_online(struct ccwgroup_device
*gdev
, int recovery_mode
)
3333 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3335 enum qeth_card_states recover_flag
;
3338 mutex_lock(&card
->discipline_mutex
);
3339 mutex_lock(&card
->conf_mutex
);
3340 QETH_DBF_TEXT(SETUP
, 2, "setonlin");
3341 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
3343 recover_flag
= card
->state
;
3344 rc
= qeth_core_hardsetup_card(card
);
3346 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
3351 if (!card
->dev
&& qeth_l3_setup_netdev(card
)) {
3356 if (qeth_is_diagass_supported(card
, QETH_DIAGS_CMD_TRAP
)) {
3357 if (card
->info
.hwtrap
&&
3358 qeth_hw_trap(card
, QETH_DIAGS_TRAP_ARM
))
3359 card
->info
.hwtrap
= 0;
3361 card
->info
.hwtrap
= 0;
3363 card
->state
= CARD_STATE_HARDSETUP
;
3364 memset(&card
->rx
, 0, sizeof(struct qeth_rx
));
3365 qeth_print_status_message(card
);
3368 QETH_DBF_TEXT(SETUP
, 2, "softsetp");
3370 rc
= qeth_send_startlan(card
);
3372 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
3374 dev_warn(&card
->gdev
->dev
,
3375 "The LAN is offline\n");
3376 card
->lan_online
= 0;
3382 card
->lan_online
= 1;
3385 rc
= qeth_l3_setadapter_parms(card
);
3387 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
3388 if (!card
->options
.sniffer
) {
3389 rc
= qeth_l3_start_ipassists(card
);
3391 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
3392 rc
= qeth_l3_setrouting_v4(card
);
3394 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
3395 rc
= qeth_l3_setrouting_v6(card
);
3397 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
3399 netif_tx_disable(card
->dev
);
3401 rc
= qeth_init_qdio_queues(card
);
3403 QETH_DBF_TEXT_(SETUP
, 2, "6err%d", rc
);
3407 card
->state
= CARD_STATE_SOFTSETUP
;
3409 qeth_set_allowed_threads(card
, 0xffffffff, 0);
3410 qeth_l3_set_ip_addr_list(card
);
3411 if (card
->lan_online
)
3412 netif_carrier_on(card
->dev
);
3414 netif_carrier_off(card
->dev
);
3415 if (recover_flag
== CARD_STATE_RECOVER
) {
3418 __qeth_l3_open(card
->dev
);
3420 dev_open(card
->dev
);
3421 qeth_l3_set_multicast_list(card
->dev
);
3424 /* let user_space know that device is online */
3425 kobject_uevent(&gdev
->dev
.kobj
, KOBJ_CHANGE
);
3426 mutex_unlock(&card
->conf_mutex
);
3427 mutex_unlock(&card
->discipline_mutex
);
3430 qeth_l3_stop_card(card
, 0);
3431 ccw_device_set_offline(CARD_DDEV(card
));
3432 ccw_device_set_offline(CARD_WDEV(card
));
3433 ccw_device_set_offline(CARD_RDEV(card
));
3434 if (recover_flag
== CARD_STATE_RECOVER
)
3435 card
->state
= CARD_STATE_RECOVER
;
3437 card
->state
= CARD_STATE_DOWN
;
3438 mutex_unlock(&card
->conf_mutex
);
3439 mutex_unlock(&card
->discipline_mutex
);
3443 static int qeth_l3_set_online(struct ccwgroup_device
*gdev
)
3445 return __qeth_l3_set_online(gdev
, 0);
3448 static int __qeth_l3_set_offline(struct ccwgroup_device
*cgdev
,
3451 struct qeth_card
*card
= dev_get_drvdata(&cgdev
->dev
);
3452 int rc
= 0, rc2
= 0, rc3
= 0;
3453 enum qeth_card_states recover_flag
;
3455 mutex_lock(&card
->discipline_mutex
);
3456 mutex_lock(&card
->conf_mutex
);
3457 QETH_DBF_TEXT(SETUP
, 3, "setoffl");
3458 QETH_DBF_HEX(SETUP
, 3, &card
, sizeof(void *));
3460 if (card
->dev
&& netif_carrier_ok(card
->dev
))
3461 netif_carrier_off(card
->dev
);
3462 recover_flag
= card
->state
;
3463 if ((!recovery_mode
&& card
->info
.hwtrap
) || card
->info
.hwtrap
== 2) {
3464 qeth_hw_trap(card
, QETH_DIAGS_TRAP_DISARM
);
3465 card
->info
.hwtrap
= 1;
3467 qeth_l3_stop_card(card
, recovery_mode
);
3468 if ((card
->options
.cq
== QETH_CQ_ENABLED
) && card
->dev
) {
3470 call_netdevice_notifiers(NETDEV_REBOOT
, card
->dev
);
3473 rc
= ccw_device_set_offline(CARD_DDEV(card
));
3474 rc2
= ccw_device_set_offline(CARD_WDEV(card
));
3475 rc3
= ccw_device_set_offline(CARD_RDEV(card
));
3477 rc
= (rc2
) ? rc2
: rc3
;
3479 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
3480 if (recover_flag
== CARD_STATE_UP
)
3481 card
->state
= CARD_STATE_RECOVER
;
3482 /* let user_space know that device is offline */
3483 kobject_uevent(&cgdev
->dev
.kobj
, KOBJ_CHANGE
);
3484 mutex_unlock(&card
->conf_mutex
);
3485 mutex_unlock(&card
->discipline_mutex
);
3489 static int qeth_l3_set_offline(struct ccwgroup_device
*cgdev
)
3491 return __qeth_l3_set_offline(cgdev
, 0);
3494 static int qeth_l3_recover(void *ptr
)
3496 struct qeth_card
*card
;
3499 card
= (struct qeth_card
*) ptr
;
3500 QETH_CARD_TEXT(card
, 2, "recover1");
3501 QETH_CARD_HEX(card
, 2, &card
, sizeof(void *));
3502 if (!qeth_do_run_thread(card
, QETH_RECOVER_THREAD
))
3504 QETH_CARD_TEXT(card
, 2, "recover2");
3505 dev_warn(&card
->gdev
->dev
,
3506 "A recovery process has been started for the device\n");
3507 __qeth_l3_set_offline(card
->gdev
, 1);
3508 rc
= __qeth_l3_set_online(card
->gdev
, 1);
3510 dev_info(&card
->gdev
->dev
,
3511 "Device successfully recovered!\n");
3514 dev_close(card
->dev
);
3516 dev_warn(&card
->gdev
->dev
, "The qeth device driver "
3517 "failed to recover an error on the device\n");
3519 qeth_clear_thread_start_bit(card
, QETH_RECOVER_THREAD
);
3520 qeth_clear_thread_running_bit(card
, QETH_RECOVER_THREAD
);
3524 static void qeth_l3_shutdown(struct ccwgroup_device
*gdev
)
3526 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3527 qeth_set_allowed_threads(card
, 0, 1);
3528 if ((gdev
->state
== CCWGROUP_ONLINE
) && card
->info
.hwtrap
)
3529 qeth_hw_trap(card
, QETH_DIAGS_TRAP_DISARM
);
3530 qeth_qdio_clear_card(card
, 0);
3531 qeth_clear_qdio_buffers(card
);
3534 static int qeth_l3_pm_suspend(struct ccwgroup_device
*gdev
)
3536 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3539 netif_device_detach(card
->dev
);
3540 qeth_set_allowed_threads(card
, 0, 1);
3541 wait_event(card
->wait_q
, qeth_threads_running(card
, 0xffffffff) == 0);
3542 if (gdev
->state
== CCWGROUP_OFFLINE
)
3544 if (card
->state
== CARD_STATE_UP
) {
3545 if (card
->info
.hwtrap
)
3546 qeth_hw_trap(card
, QETH_DIAGS_TRAP_DISARM
);
3547 __qeth_l3_set_offline(card
->gdev
, 1);
3549 __qeth_l3_set_offline(card
->gdev
, 0);
3553 static int qeth_l3_pm_resume(struct ccwgroup_device
*gdev
)
3555 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3558 if (gdev
->state
== CCWGROUP_OFFLINE
)
3561 if (card
->state
== CARD_STATE_RECOVER
) {
3562 rc
= __qeth_l3_set_online(card
->gdev
, 1);
3565 dev_close(card
->dev
);
3569 rc
= __qeth_l3_set_online(card
->gdev
, 0);
3571 qeth_set_allowed_threads(card
, 0xffffffff, 0);
3573 netif_device_attach(card
->dev
);
3575 dev_warn(&card
->gdev
->dev
, "The qeth device driver "
3576 "failed to recover an error on the device\n");
3580 struct qeth_discipline qeth_l3_discipline
= {
3581 .start_poll
= qeth_qdio_start_poll
,
3582 .input_handler
= (qdio_handler_t
*) qeth_qdio_input_handler
,
3583 .output_handler
= (qdio_handler_t
*) qeth_qdio_output_handler
,
3584 .recover
= qeth_l3_recover
,
3585 .setup
= qeth_l3_probe_device
,
3586 .remove
= qeth_l3_remove_device
,
3587 .set_online
= qeth_l3_set_online
,
3588 .set_offline
= qeth_l3_set_offline
,
3589 .shutdown
= qeth_l3_shutdown
,
3590 .freeze
= qeth_l3_pm_suspend
,
3591 .thaw
= qeth_l3_pm_resume
,
3592 .restore
= qeth_l3_pm_resume
,
3594 EXPORT_SYMBOL_GPL(qeth_l3_discipline
);
3596 static int qeth_l3_ip_event(struct notifier_block
*this,
3597 unsigned long event
, void *ptr
)
3599 struct in_ifaddr
*ifa
= (struct in_ifaddr
*)ptr
;
3600 struct net_device
*dev
= (struct net_device
*)ifa
->ifa_dev
->dev
;
3601 struct qeth_ipaddr
*addr
;
3602 struct qeth_card
*card
;
3604 if (dev_net(dev
) != &init_net
)
3607 card
= qeth_l3_get_card_from_dev(dev
);
3610 QETH_CARD_TEXT(card
, 3, "ipevent");
3612 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
3614 addr
->u
.a4
.addr
= ifa
->ifa_address
;
3615 addr
->u
.a4
.mask
= ifa
->ifa_mask
;
3616 addr
->type
= QETH_IP_TYPE_NORMAL
;
3622 if (!qeth_l3_add_ip(card
, addr
))
3626 if (!qeth_l3_delete_ip(card
, addr
))
3632 qeth_l3_set_ip_addr_list(card
);
3637 static struct notifier_block qeth_l3_ip_notifier
= {
3642 #ifdef CONFIG_QETH_IPV6
3644 * IPv6 event handler
3646 static int qeth_l3_ip6_event(struct notifier_block
*this,
3647 unsigned long event
, void *ptr
)
3649 struct inet6_ifaddr
*ifa
= (struct inet6_ifaddr
*)ptr
;
3650 struct net_device
*dev
= (struct net_device
*)ifa
->idev
->dev
;
3651 struct qeth_ipaddr
*addr
;
3652 struct qeth_card
*card
;
3654 card
= qeth_l3_get_card_from_dev(dev
);
3657 QETH_CARD_TEXT(card
, 3, "ip6event");
3658 if (!qeth_is_supported(card
, IPA_IPV6
))
3661 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV6
);
3663 memcpy(&addr
->u
.a6
.addr
, &ifa
->addr
, sizeof(struct in6_addr
));
3664 addr
->u
.a6
.pfxlen
= ifa
->prefix_len
;
3665 addr
->type
= QETH_IP_TYPE_NORMAL
;
3671 if (!qeth_l3_add_ip(card
, addr
))
3675 if (!qeth_l3_delete_ip(card
, addr
))
3681 qeth_l3_set_ip_addr_list(card
);
3686 static struct notifier_block qeth_l3_ip6_notifier
= {
3692 static int qeth_l3_register_notifiers(void)
3696 QETH_DBF_TEXT(SETUP
, 5, "regnotif");
3697 rc
= register_inetaddr_notifier(&qeth_l3_ip_notifier
);
3700 #ifdef CONFIG_QETH_IPV6
3701 rc
= register_inet6addr_notifier(&qeth_l3_ip6_notifier
);
3703 unregister_inetaddr_notifier(&qeth_l3_ip_notifier
);
3707 pr_warning("There is no IPv6 support for the layer 3 discipline\n");
3712 static void qeth_l3_unregister_notifiers(void)
3715 QETH_DBF_TEXT(SETUP
, 5, "unregnot");
3716 BUG_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier
));
3717 #ifdef CONFIG_QETH_IPV6
3718 BUG_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier
));
3719 #endif /* QETH_IPV6 */
3722 static int __init
qeth_l3_init(void)
3726 pr_info("register layer 3 discipline\n");
3727 rc
= qeth_l3_register_notifiers();
3731 static void __exit
qeth_l3_exit(void)
3733 qeth_l3_unregister_notifiers();
3734 pr_info("unregister layer 3 discipline\n");
3737 module_init(qeth_l3_init
);
3738 module_exit(qeth_l3_exit
);
3739 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
3740 MODULE_DESCRIPTION("qeth layer 3 discipline");
3741 MODULE_LICENSE("GPL");