2 * drivers/s390/net/qeth_l3_main.c
4 * Copyright IBM Corp. 2007, 2009
5 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
6 * Frank Pavlic <fpavlic@de.ibm.com>,
7 * Thomas Spatzier <tspat@de.ibm.com>,
8 * Frank Blaschka <frank.blaschka@de.ibm.com>
11 #define KMSG_COMPONENT "qeth"
12 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/bitops.h>
17 #include <linux/string.h>
18 #include <linux/errno.h>
19 #include <linux/kernel.h>
20 #include <linux/etherdevice.h>
21 #include <linux/mii.h>
23 #include <linux/ipv6.h>
24 #include <linux/inetdevice.h>
25 #include <linux/igmp.h>
26 #include <linux/slab.h>
27 #include <linux/if_vlan.h>
31 #include <net/route.h>
32 #include <net/ip6_fib.h>
33 #include <net/ip6_checksum.h>
34 #include <net/iucv/af_iucv.h>
39 static int qeth_l3_set_offline(struct ccwgroup_device
*);
40 static int qeth_l3_recover(void *);
41 static int qeth_l3_stop(struct net_device
*);
42 static void qeth_l3_set_multicast_list(struct net_device
*);
43 static int qeth_l3_neigh_setup(struct net_device
*, struct neigh_parms
*);
44 static int qeth_l3_register_addr_entry(struct qeth_card
*,
45 struct qeth_ipaddr
*);
46 static int qeth_l3_deregister_addr_entry(struct qeth_card
*,
47 struct qeth_ipaddr
*);
48 static int __qeth_l3_set_online(struct ccwgroup_device
*, int);
49 static int __qeth_l3_set_offline(struct ccwgroup_device
*, int);
51 static int qeth_l3_isxdigit(char *buf
)
54 if (!isxdigit(*buf
++))
60 void qeth_l3_ipaddr4_to_string(const __u8
*addr
, char *buf
)
62 sprintf(buf
, "%i.%i.%i.%i", addr
[0], addr
[1], addr
[2], addr
[3]);
65 int qeth_l3_string_to_ipaddr4(const char *buf
, __u8
*addr
)
67 int count
= 0, rc
= 0;
71 rc
= sscanf(buf
, "%u.%u.%u.%u%c",
72 &in
[0], &in
[1], &in
[2], &in
[3], &c
);
73 if (rc
!= 4 && (rc
!= 5 || c
!= '\n'))
75 for (count
= 0; count
< 4; count
++) {
78 addr
[count
] = in
[count
];
83 void qeth_l3_ipaddr6_to_string(const __u8
*addr
, char *buf
)
85 sprintf(buf
, "%pI6", addr
);
88 int qeth_l3_string_to_ipaddr6(const char *buf
, __u8
*addr
)
90 const char *end
, *end_tmp
, *start
;
93 int num2
, cnt
, out
, found
, save_cnt
;
94 unsigned short in_tmp
[8] = {0, };
96 cnt
= out
= found
= save_cnt
= num2
= 0;
101 end
= strchr(start
, ':');
103 end
= buf
+ strlen(buf
);
104 end_tmp
= strchr(start
, '\n');
111 if ((end
- start
) > 4)
113 memcpy(num
, start
, end
- start
);
114 if (!qeth_l3_isxdigit(num
))
116 sscanf(start
, "%x", &num2
);
118 in_tmp
[save_cnt
++] = num2
;
130 if (cnt
+ save_cnt
> 8)
134 in
[cnt
--] = in_tmp
[--save_cnt
];
138 void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto
, const __u8
*addr
,
141 if (proto
== QETH_PROT_IPV4
)
142 qeth_l3_ipaddr4_to_string(addr
, buf
);
143 else if (proto
== QETH_PROT_IPV6
)
144 qeth_l3_ipaddr6_to_string(addr
, buf
);
147 int qeth_l3_string_to_ipaddr(const char *buf
, enum qeth_prot_versions proto
,
150 if (proto
== QETH_PROT_IPV4
)
151 return qeth_l3_string_to_ipaddr4(buf
, addr
);
152 else if (proto
== QETH_PROT_IPV6
)
153 return qeth_l3_string_to_ipaddr6(buf
, addr
);
158 static void qeth_l3_convert_addr_to_bits(u8
*addr
, u8
*bits
, int len
)
163 for (i
= 0; i
< len
; ++i
) {
165 for (j
= 7; j
>= 0; --j
) {
166 bits
[i
*8 + j
] = octet
& 1;
172 int qeth_l3_is_addr_covered_by_ipato(struct qeth_card
*card
,
173 struct qeth_ipaddr
*addr
)
175 struct qeth_ipato_entry
*ipatoe
;
176 u8 addr_bits
[128] = {0, };
177 u8 ipatoe_bits
[128] = {0, };
180 if (!card
->ipato
.enabled
)
183 qeth_l3_convert_addr_to_bits((u8
*) &addr
->u
, addr_bits
,
184 (addr
->proto
== QETH_PROT_IPV4
)? 4:16);
185 list_for_each_entry(ipatoe
, &card
->ipato
.entries
, entry
) {
186 if (addr
->proto
!= ipatoe
->proto
)
188 qeth_l3_convert_addr_to_bits(ipatoe
->addr
, ipatoe_bits
,
189 (ipatoe
->proto
== QETH_PROT_IPV4
) ?
191 if (addr
->proto
== QETH_PROT_IPV4
)
192 rc
= !memcmp(addr_bits
, ipatoe_bits
,
193 min(32, ipatoe
->mask_bits
));
195 rc
= !memcmp(addr_bits
, ipatoe_bits
,
196 min(128, ipatoe
->mask_bits
));
201 if ((addr
->proto
== QETH_PROT_IPV4
) && card
->ipato
.invert4
)
203 else if ((addr
->proto
== QETH_PROT_IPV6
) && card
->ipato
.invert6
)
210 * Add IP to be added to todo list. If there is already an "add todo"
211 * in this list we just incremenent the reference count.
212 * Returns 0 if we just incremented reference count.
214 static int __qeth_l3_insert_ip_todo(struct qeth_card
*card
,
215 struct qeth_ipaddr
*addr
, int add
)
217 struct qeth_ipaddr
*tmp
, *t
;
220 if (card
->options
.sniffer
)
222 list_for_each_entry_safe(tmp
, t
, card
->ip_tbd_list
, entry
) {
223 if ((addr
->type
== QETH_IP_TYPE_DEL_ALL_MC
) &&
224 (tmp
->type
== QETH_IP_TYPE_DEL_ALL_MC
))
226 if ((tmp
->proto
== QETH_PROT_IPV4
) &&
227 (addr
->proto
== QETH_PROT_IPV4
) &&
228 (tmp
->type
== addr
->type
) &&
229 (tmp
->is_multicast
== addr
->is_multicast
) &&
230 (tmp
->u
.a4
.addr
== addr
->u
.a4
.addr
) &&
231 (tmp
->u
.a4
.mask
== addr
->u
.a4
.mask
)) {
235 if ((tmp
->proto
== QETH_PROT_IPV6
) &&
236 (addr
->proto
== QETH_PROT_IPV6
) &&
237 (tmp
->type
== addr
->type
) &&
238 (tmp
->is_multicast
== addr
->is_multicast
) &&
239 (tmp
->u
.a6
.pfxlen
== addr
->u
.a6
.pfxlen
) &&
240 (memcmp(&tmp
->u
.a6
.addr
, &addr
->u
.a6
.addr
,
241 sizeof(struct in6_addr
)) == 0)) {
247 if (addr
->users
!= 0)
248 tmp
->users
+= addr
->users
;
250 tmp
->users
+= add
? 1 : -1;
251 if (tmp
->users
== 0) {
252 list_del(&tmp
->entry
);
257 if (addr
->type
== QETH_IP_TYPE_DEL_ALL_MC
)
258 list_add(&addr
->entry
, card
->ip_tbd_list
);
260 if (addr
->users
== 0)
261 addr
->users
+= add
? 1 : -1;
262 if (add
&& (addr
->type
== QETH_IP_TYPE_NORMAL
) &&
263 qeth_l3_is_addr_covered_by_ipato(card
, addr
)) {
264 QETH_CARD_TEXT(card
, 2, "tkovaddr");
265 addr
->set_flags
|= QETH_IPA_SETIP_TAKEOVER_FLAG
;
267 list_add_tail(&addr
->entry
, card
->ip_tbd_list
);
273 int qeth_l3_delete_ip(struct qeth_card
*card
, struct qeth_ipaddr
*addr
)
278 QETH_CARD_TEXT(card
, 4, "delip");
280 if (addr
->proto
== QETH_PROT_IPV4
)
281 QETH_CARD_HEX(card
, 4, &addr
->u
.a4
.addr
, 4);
283 QETH_CARD_HEX(card
, 4, &addr
->u
.a6
.addr
, 8);
284 QETH_CARD_HEX(card
, 4, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
286 spin_lock_irqsave(&card
->ip_lock
, flags
);
287 rc
= __qeth_l3_insert_ip_todo(card
, addr
, 0);
288 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
292 int qeth_l3_add_ip(struct qeth_card
*card
, struct qeth_ipaddr
*addr
)
297 QETH_CARD_TEXT(card
, 4, "addip");
298 if (addr
->proto
== QETH_PROT_IPV4
)
299 QETH_CARD_HEX(card
, 4, &addr
->u
.a4
.addr
, 4);
301 QETH_CARD_HEX(card
, 4, &addr
->u
.a6
.addr
, 8);
302 QETH_CARD_HEX(card
, 4, ((char *)&addr
->u
.a6
.addr
) + 8, 8);
304 spin_lock_irqsave(&card
->ip_lock
, flags
);
305 rc
= __qeth_l3_insert_ip_todo(card
, addr
, 1);
306 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
311 struct qeth_ipaddr
*qeth_l3_get_addr_buffer(
312 enum qeth_prot_versions prot
)
314 struct qeth_ipaddr
*addr
;
316 addr
= kzalloc(sizeof(struct qeth_ipaddr
), GFP_ATOMIC
);
320 addr
->type
= QETH_IP_TYPE_NORMAL
;
325 static void qeth_l3_delete_mc_addresses(struct qeth_card
*card
)
327 struct qeth_ipaddr
*iptodo
;
330 QETH_CARD_TEXT(card
, 4, "delmc");
331 iptodo
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
333 QETH_CARD_TEXT(card
, 2, "dmcnomem");
336 iptodo
->type
= QETH_IP_TYPE_DEL_ALL_MC
;
337 spin_lock_irqsave(&card
->ip_lock
, flags
);
338 if (!__qeth_l3_insert_ip_todo(card
, iptodo
, 0))
340 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
344 * Add/remove address to/from card's ip list, i.e. try to add or remove
345 * reference to/from an IP address that is already registered on the card.
347 * 0 address was on card and its reference count has been adjusted,
348 * but is still > 0, so nothing has to be done
349 * also returns 0 if card was not on card and the todo was to delete
350 * the address -> there is also nothing to be done
351 * 1 address was not on card and the todo is to add it to the card's ip
353 * -1 address was on card and its reference count has been decremented
354 * to <= 0 by the todo -> address must be removed from card
356 static int __qeth_l3_ref_ip_on_card(struct qeth_card
*card
,
357 struct qeth_ipaddr
*todo
, struct qeth_ipaddr
**__addr
)
359 struct qeth_ipaddr
*addr
;
362 list_for_each_entry(addr
, &card
->ip_list
, entry
) {
363 if ((addr
->proto
== QETH_PROT_IPV4
) &&
364 (todo
->proto
== QETH_PROT_IPV4
) &&
365 (addr
->type
== todo
->type
) &&
366 (addr
->u
.a4
.addr
== todo
->u
.a4
.addr
) &&
367 (addr
->u
.a4
.mask
== todo
->u
.a4
.mask
)) {
371 if ((addr
->proto
== QETH_PROT_IPV6
) &&
372 (todo
->proto
== QETH_PROT_IPV6
) &&
373 (addr
->type
== todo
->type
) &&
374 (addr
->u
.a6
.pfxlen
== todo
->u
.a6
.pfxlen
) &&
375 (memcmp(&addr
->u
.a6
.addr
, &todo
->u
.a6
.addr
,
376 sizeof(struct in6_addr
)) == 0)) {
382 addr
->users
+= todo
->users
;
383 if (addr
->users
<= 0) {
387 /* for VIPA and RXIP limit refcount to 1 */
388 if (addr
->type
!= QETH_IP_TYPE_NORMAL
)
393 if (todo
->users
> 0) {
394 /* for VIPA and RXIP limit refcount to 1 */
395 if (todo
->type
!= QETH_IP_TYPE_NORMAL
)
402 static void __qeth_l3_delete_all_mc(struct qeth_card
*card
,
403 unsigned long *flags
)
405 struct list_head fail_list
;
406 struct qeth_ipaddr
*addr
, *tmp
;
409 INIT_LIST_HEAD(&fail_list
);
411 list_for_each_entry_safe(addr
, tmp
, &card
->ip_list
, entry
) {
412 if (addr
->is_multicast
) {
413 list_del(&addr
->entry
);
414 spin_unlock_irqrestore(&card
->ip_lock
, *flags
);
415 rc
= qeth_l3_deregister_addr_entry(card
, addr
);
416 spin_lock_irqsave(&card
->ip_lock
, *flags
);
417 if (!rc
|| (rc
== IPA_RC_MC_ADDR_NOT_FOUND
))
420 list_add_tail(&addr
->entry
, &fail_list
);
424 list_splice(&fail_list
, &card
->ip_list
);
427 void qeth_l3_set_ip_addr_list(struct qeth_card
*card
)
429 struct list_head
*tbd_list
;
430 struct qeth_ipaddr
*todo
, *addr
;
434 QETH_CARD_TEXT(card
, 2, "sdiplist");
435 QETH_CARD_HEX(card
, 2, &card
, sizeof(void *));
437 if ((card
->state
!= CARD_STATE_UP
&&
438 card
->state
!= CARD_STATE_SOFTSETUP
) || card
->options
.sniffer
) {
442 spin_lock_irqsave(&card
->ip_lock
, flags
);
443 tbd_list
= card
->ip_tbd_list
;
444 card
->ip_tbd_list
= kzalloc(sizeof(struct list_head
), GFP_ATOMIC
);
445 if (!card
->ip_tbd_list
) {
446 QETH_CARD_TEXT(card
, 0, "silnomem");
447 card
->ip_tbd_list
= tbd_list
;
448 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
451 INIT_LIST_HEAD(card
->ip_tbd_list
);
453 while (!list_empty(tbd_list
)) {
454 todo
= list_entry(tbd_list
->next
, struct qeth_ipaddr
, entry
);
455 list_del(&todo
->entry
);
456 if (todo
->type
== QETH_IP_TYPE_DEL_ALL_MC
) {
457 __qeth_l3_delete_all_mc(card
, &flags
);
461 rc
= __qeth_l3_ref_ip_on_card(card
, todo
, &addr
);
463 /* nothing to be done; only adjusted refcount */
465 } else if (rc
== 1) {
466 /* new entry to be added to on-card list */
467 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
468 rc
= qeth_l3_register_addr_entry(card
, todo
);
469 spin_lock_irqsave(&card
->ip_lock
, flags
);
470 if (!rc
|| (rc
== IPA_RC_LAN_OFFLINE
))
471 list_add_tail(&todo
->entry
, &card
->ip_list
);
474 } else if (rc
== -1) {
475 /* on-card entry to be removed */
476 list_del_init(&addr
->entry
);
477 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
478 rc
= qeth_l3_deregister_addr_entry(card
, addr
);
479 spin_lock_irqsave(&card
->ip_lock
, flags
);
480 if (!rc
|| (rc
== IPA_RC_IP_ADDRESS_NOT_DEFINED
))
483 list_add_tail(&addr
->entry
, &card
->ip_list
);
487 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
491 static void qeth_l3_clear_ip_list(struct qeth_card
*card
, int recover
)
493 struct qeth_ipaddr
*addr
, *tmp
;
496 QETH_CARD_TEXT(card
, 4, "clearip");
497 if (recover
&& card
->options
.sniffer
)
499 spin_lock_irqsave(&card
->ip_lock
, flags
);
500 /* clear todo list */
501 list_for_each_entry_safe(addr
, tmp
, card
->ip_tbd_list
, entry
) {
502 list_del(&addr
->entry
);
506 while (!list_empty(&card
->ip_list
)) {
507 addr
= list_entry(card
->ip_list
.next
,
508 struct qeth_ipaddr
, entry
);
509 list_del_init(&addr
->entry
);
510 if (!recover
|| addr
->is_multicast
) {
514 list_add_tail(&addr
->entry
, card
->ip_tbd_list
);
516 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
519 static int qeth_l3_address_exists_in_list(struct list_head
*list
,
520 struct qeth_ipaddr
*addr
, int same_type
)
522 struct qeth_ipaddr
*tmp
;
524 list_for_each_entry(tmp
, list
, entry
) {
525 if ((tmp
->proto
== QETH_PROT_IPV4
) &&
526 (addr
->proto
== QETH_PROT_IPV4
) &&
527 ((same_type
&& (tmp
->type
== addr
->type
)) ||
528 (!same_type
&& (tmp
->type
!= addr
->type
))) &&
529 (tmp
->u
.a4
.addr
== addr
->u
.a4
.addr
))
532 if ((tmp
->proto
== QETH_PROT_IPV6
) &&
533 (addr
->proto
== QETH_PROT_IPV6
) &&
534 ((same_type
&& (tmp
->type
== addr
->type
)) ||
535 (!same_type
&& (tmp
->type
!= addr
->type
))) &&
536 (memcmp(&tmp
->u
.a6
.addr
, &addr
->u
.a6
.addr
,
537 sizeof(struct in6_addr
)) == 0))
544 static int qeth_l3_send_setdelmc(struct qeth_card
*card
,
545 struct qeth_ipaddr
*addr
, int ipacmd
)
548 struct qeth_cmd_buffer
*iob
;
549 struct qeth_ipa_cmd
*cmd
;
551 QETH_CARD_TEXT(card
, 4, "setdelmc");
553 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, addr
->proto
);
554 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
555 memcpy(&cmd
->data
.setdelipm
.mac
, addr
->mac
, OSA_ADDR_LEN
);
556 if (addr
->proto
== QETH_PROT_IPV6
)
557 memcpy(cmd
->data
.setdelipm
.ip6
, &addr
->u
.a6
.addr
,
558 sizeof(struct in6_addr
));
560 memcpy(&cmd
->data
.setdelipm
.ip4
, &addr
->u
.a4
.addr
, 4);
562 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
567 static void qeth_l3_fill_netmask(u8
*netmask
, unsigned int len
)
570 for (i
= 0; i
< 16; i
++) {
575 netmask
[i
] = (u8
)(0xFF00 >> j
);
581 static int qeth_l3_send_setdelip(struct qeth_card
*card
,
582 struct qeth_ipaddr
*addr
, int ipacmd
, unsigned int flags
)
585 struct qeth_cmd_buffer
*iob
;
586 struct qeth_ipa_cmd
*cmd
;
589 QETH_CARD_TEXT(card
, 4, "setdelip");
590 QETH_CARD_TEXT_(card
, 4, "flags%02X", flags
);
592 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, addr
->proto
);
593 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
594 if (addr
->proto
== QETH_PROT_IPV6
) {
595 memcpy(cmd
->data
.setdelip6
.ip_addr
, &addr
->u
.a6
.addr
,
596 sizeof(struct in6_addr
));
597 qeth_l3_fill_netmask(netmask
, addr
->u
.a6
.pfxlen
);
598 memcpy(cmd
->data
.setdelip6
.mask
, netmask
,
599 sizeof(struct in6_addr
));
600 cmd
->data
.setdelip6
.flags
= flags
;
602 memcpy(cmd
->data
.setdelip4
.ip_addr
, &addr
->u
.a4
.addr
, 4);
603 memcpy(cmd
->data
.setdelip4
.mask
, &addr
->u
.a4
.mask
, 4);
604 cmd
->data
.setdelip4
.flags
= flags
;
607 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
612 static int qeth_l3_send_setrouting(struct qeth_card
*card
,
613 enum qeth_routing_types type
, enum qeth_prot_versions prot
)
616 struct qeth_ipa_cmd
*cmd
;
617 struct qeth_cmd_buffer
*iob
;
619 QETH_CARD_TEXT(card
, 4, "setroutg");
620 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SETRTG
, prot
);
621 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
622 cmd
->data
.setrtg
.type
= (type
);
623 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
628 static void qeth_l3_correct_routing_type(struct qeth_card
*card
,
629 enum qeth_routing_types
*type
, enum qeth_prot_versions prot
)
631 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
634 case PRIMARY_CONNECTOR
:
635 case SECONDARY_CONNECTOR
:
636 case MULTICAST_ROUTER
:
645 case SECONDARY_ROUTER
:
647 case MULTICAST_ROUTER
:
648 if (qeth_is_ipafunc_supported(card
, prot
,
659 int qeth_l3_setrouting_v4(struct qeth_card
*card
)
663 QETH_CARD_TEXT(card
, 3, "setrtg4");
665 qeth_l3_correct_routing_type(card
, &card
->options
.route4
.type
,
668 rc
= qeth_l3_send_setrouting(card
, card
->options
.route4
.type
,
671 card
->options
.route4
.type
= NO_ROUTER
;
672 QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type"
673 " on %s. Type set to 'no router'.\n", rc
,
674 QETH_CARD_IFNAME(card
));
679 int qeth_l3_setrouting_v6(struct qeth_card
*card
)
683 QETH_CARD_TEXT(card
, 3, "setrtg6");
684 #ifdef CONFIG_QETH_IPV6
686 if (!qeth_is_supported(card
, IPA_IPV6
))
688 qeth_l3_correct_routing_type(card
, &card
->options
.route6
.type
,
691 rc
= qeth_l3_send_setrouting(card
, card
->options
.route6
.type
,
694 card
->options
.route6
.type
= NO_ROUTER
;
695 QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type"
696 " on %s. Type set to 'no router'.\n", rc
,
697 QETH_CARD_IFNAME(card
));
704 * IP address takeover related functions
706 static void qeth_l3_clear_ipato_list(struct qeth_card
*card
)
709 struct qeth_ipato_entry
*ipatoe
, *tmp
;
712 spin_lock_irqsave(&card
->ip_lock
, flags
);
713 list_for_each_entry_safe(ipatoe
, tmp
, &card
->ipato
.entries
, entry
) {
714 list_del(&ipatoe
->entry
);
717 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
720 int qeth_l3_add_ipato_entry(struct qeth_card
*card
,
721 struct qeth_ipato_entry
*new)
723 struct qeth_ipato_entry
*ipatoe
;
727 QETH_CARD_TEXT(card
, 2, "addipato");
728 spin_lock_irqsave(&card
->ip_lock
, flags
);
729 list_for_each_entry(ipatoe
, &card
->ipato
.entries
, entry
) {
730 if (ipatoe
->proto
!= new->proto
)
732 if (!memcmp(ipatoe
->addr
, new->addr
,
733 (ipatoe
->proto
== QETH_PROT_IPV4
)? 4:16) &&
734 (ipatoe
->mask_bits
== new->mask_bits
)) {
740 list_add_tail(&new->entry
, &card
->ipato
.entries
);
742 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
746 void qeth_l3_del_ipato_entry(struct qeth_card
*card
,
747 enum qeth_prot_versions proto
, u8
*addr
, int mask_bits
)
749 struct qeth_ipato_entry
*ipatoe
, *tmp
;
752 QETH_CARD_TEXT(card
, 2, "delipato");
753 spin_lock_irqsave(&card
->ip_lock
, flags
);
754 list_for_each_entry_safe(ipatoe
, tmp
, &card
->ipato
.entries
, entry
) {
755 if (ipatoe
->proto
!= proto
)
757 if (!memcmp(ipatoe
->addr
, addr
,
758 (proto
== QETH_PROT_IPV4
)? 4:16) &&
759 (ipatoe
->mask_bits
== mask_bits
)) {
760 list_del(&ipatoe
->entry
);
764 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
768 * VIPA related functions
770 int qeth_l3_add_vipa(struct qeth_card
*card
, enum qeth_prot_versions proto
,
773 struct qeth_ipaddr
*ipaddr
;
777 ipaddr
= qeth_l3_get_addr_buffer(proto
);
779 if (proto
== QETH_PROT_IPV4
) {
780 QETH_CARD_TEXT(card
, 2, "addvipa4");
781 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
782 ipaddr
->u
.a4
.mask
= 0;
783 } else if (proto
== QETH_PROT_IPV6
) {
784 QETH_CARD_TEXT(card
, 2, "addvipa6");
785 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
786 ipaddr
->u
.a6
.pfxlen
= 0;
788 ipaddr
->type
= QETH_IP_TYPE_VIPA
;
789 ipaddr
->set_flags
= QETH_IPA_SETIP_VIPA_FLAG
;
790 ipaddr
->del_flags
= QETH_IPA_DELIP_VIPA_FLAG
;
793 spin_lock_irqsave(&card
->ip_lock
, flags
);
794 if (qeth_l3_address_exists_in_list(&card
->ip_list
, ipaddr
, 0) ||
795 qeth_l3_address_exists_in_list(card
->ip_tbd_list
, ipaddr
, 0))
797 spin_unlock_irqrestore(&card
->ip_lock
, flags
);
801 if (!qeth_l3_add_ip(card
, ipaddr
))
803 qeth_l3_set_ip_addr_list(card
);
807 void qeth_l3_del_vipa(struct qeth_card
*card
, enum qeth_prot_versions proto
,
810 struct qeth_ipaddr
*ipaddr
;
812 ipaddr
= qeth_l3_get_addr_buffer(proto
);
814 if (proto
== QETH_PROT_IPV4
) {
815 QETH_CARD_TEXT(card
, 2, "delvipa4");
816 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
817 ipaddr
->u
.a4
.mask
= 0;
818 } else if (proto
== QETH_PROT_IPV6
) {
819 QETH_CARD_TEXT(card
, 2, "delvipa6");
820 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
821 ipaddr
->u
.a6
.pfxlen
= 0;
823 ipaddr
->type
= QETH_IP_TYPE_VIPA
;
826 if (!qeth_l3_delete_ip(card
, ipaddr
))
828 qeth_l3_set_ip_addr_list(card
);
832 * proxy ARP related functions
834 int qeth_l3_add_rxip(struct qeth_card
*card
, enum qeth_prot_versions proto
,
837 struct qeth_ipaddr
*ipaddr
;
841 ipaddr
= qeth_l3_get_addr_buffer(proto
);
843 if (proto
== QETH_PROT_IPV4
) {
844 QETH_CARD_TEXT(card
, 2, "addrxip4");
845 memcpy(&ipaddr
->u
.a4
.addr
, addr
, 4);
846 ipaddr
->u
.a4
.mask
= 0;
847 } else if (proto
== QETH_PROT_IPV6
) {
848 QETH_CARD_TEXT(card
, 2, "addrxip6");
849 memcpy(&ipaddr
->u
.a6
.addr
, addr
, 16);
850 ipaddr
->u
.a6
.pfxlen
= 0;
852 ipaddr
->type
= QETH_IP_TYPE_RXIP
;
853 ipaddr
->set_flags
= QETH_IPA_SETIP_TAKEOVER_FLAG
;
854 ipaddr
->del_flags
= 0;
857 spin_lock_irqsave(&card
->ip_lock
, flags
);
858 if (qeth_l3_address_exists_in_list(&card
->ip_list
, ipaddr
, 0) ||
859 qeth_l3_address_exists_in_list(card
->ip_tbd_list
, ipaddr
, 0))
861 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
);
1763 in_dev
= in_dev_get(netdev
);
1766 for (ifa
= in_dev
->ifa_list
; ifa
; ifa
= ifa
->ifa_next
) {
1767 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
1769 addr
->u
.a4
.addr
= ifa
->ifa_address
;
1770 addr
->u
.a4
.mask
= ifa
->ifa_mask
;
1771 addr
->type
= QETH_IP_TYPE_NORMAL
;
1772 if (!qeth_l3_delete_ip(card
, addr
))
1779 static void qeth_l3_free_vlan_addresses6(struct qeth_card
*card
,
1782 #ifdef CONFIG_QETH_IPV6
1783 struct inet6_dev
*in6_dev
;
1784 struct inet6_ifaddr
*ifa
;
1785 struct qeth_ipaddr
*addr
;
1786 struct net_device
*netdev
;
1788 QETH_CARD_TEXT(card
, 4, "frvaddr6");
1790 netdev
= __vlan_find_dev_deep(card
->dev
, vid
);
1791 in6_dev
= in6_dev_get(netdev
);
1794 list_for_each_entry(ifa
, &in6_dev
->addr_list
, if_list
) {
1795 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV6
);
1797 memcpy(&addr
->u
.a6
.addr
, &ifa
->addr
,
1798 sizeof(struct in6_addr
));
1799 addr
->u
.a6
.pfxlen
= ifa
->prefix_len
;
1800 addr
->type
= QETH_IP_TYPE_NORMAL
;
1801 if (!qeth_l3_delete_ip(card
, addr
))
1805 in6_dev_put(in6_dev
);
1806 #endif /* CONFIG_QETH_IPV6 */
1809 static void qeth_l3_free_vlan_addresses(struct qeth_card
*card
,
1812 qeth_l3_free_vlan_addresses4(card
, vid
);
1813 qeth_l3_free_vlan_addresses6(card
, vid
);
1816 static int qeth_l3_vlan_rx_add_vid(struct net_device
*dev
, unsigned short vid
)
1818 struct qeth_card
*card
= dev
->ml_priv
;
1820 set_bit(vid
, card
->active_vlans
);
1824 static int qeth_l3_vlan_rx_kill_vid(struct net_device
*dev
, unsigned short vid
)
1826 struct qeth_card
*card
= dev
->ml_priv
;
1827 unsigned long flags
;
1829 QETH_CARD_TEXT_(card
, 4, "kid:%d", vid
);
1830 if (qeth_wait_for_threads(card
, QETH_RECOVER_THREAD
)) {
1831 QETH_CARD_TEXT(card
, 3, "kidREC");
1834 spin_lock_irqsave(&card
->vlanlock
, flags
);
1835 /* unregister IP addresses of vlan device */
1836 qeth_l3_free_vlan_addresses(card
, vid
);
1837 clear_bit(vid
, card
->active_vlans
);
1838 spin_unlock_irqrestore(&card
->vlanlock
, flags
);
1839 qeth_l3_set_multicast_list(card
->dev
);
1843 static inline int qeth_l3_rebuild_skb(struct qeth_card
*card
,
1844 struct sk_buff
*skb
, struct qeth_hdr
*hdr
,
1845 unsigned short *vlan_id
)
1848 struct iphdr
*ip_hdr
;
1849 unsigned char tg_addr
[MAX_ADDR_LEN
];
1852 if (!(hdr
->hdr
.l3
.flags
& QETH_HDR_PASSTHRU
)) {
1853 prot
= htons((hdr
->hdr
.l3
.flags
& QETH_HDR_IPV6
)? ETH_P_IPV6
:
1855 switch (hdr
->hdr
.l3
.flags
& QETH_HDR_CAST_MASK
) {
1856 case QETH_CAST_MULTICAST
:
1858 #ifdef CONFIG_QETH_IPV6
1859 case __constant_htons(ETH_P_IPV6
):
1860 ndisc_mc_map((struct in6_addr
*)
1862 tg_addr
, card
->dev
, 0);
1865 case __constant_htons(ETH_P_IP
):
1866 ip_hdr
= (struct iphdr
*)skb
->data
;
1867 ip_eth_mc_map(ip_hdr
->daddr
, tg_addr
);
1870 memcpy(tg_addr
, card
->dev
->broadcast
,
1871 card
->dev
->addr_len
);
1873 card
->stats
.multicast
++;
1874 skb
->pkt_type
= PACKET_MULTICAST
;
1876 case QETH_CAST_BROADCAST
:
1877 memcpy(tg_addr
, card
->dev
->broadcast
,
1878 card
->dev
->addr_len
);
1879 card
->stats
.multicast
++;
1880 skb
->pkt_type
= PACKET_BROADCAST
;
1882 case QETH_CAST_UNICAST
:
1883 case QETH_CAST_ANYCAST
:
1884 case QETH_CAST_NOCAST
:
1886 if (card
->options
.sniffer
)
1887 skb
->pkt_type
= PACKET_OTHERHOST
;
1889 skb
->pkt_type
= PACKET_HOST
;
1890 memcpy(tg_addr
, card
->dev
->dev_addr
,
1891 card
->dev
->addr_len
);
1893 if (hdr
->hdr
.l3
.ext_flags
& QETH_HDR_EXT_SRC_MAC_ADDR
)
1894 card
->dev
->header_ops
->create(skb
, card
->dev
, prot
,
1895 tg_addr
, &hdr
->hdr
.l3
.dest_addr
[2],
1896 card
->dev
->addr_len
);
1898 card
->dev
->header_ops
->create(skb
, card
->dev
, prot
,
1899 tg_addr
, "FAKELL", card
->dev
->addr_len
);
1902 skb
->protocol
= eth_type_trans(skb
, card
->dev
);
1904 if (hdr
->hdr
.l3
.ext_flags
&
1905 (QETH_HDR_EXT_VLAN_FRAME
| QETH_HDR_EXT_INCLUDE_VLAN_TAG
)) {
1906 *vlan_id
= (hdr
->hdr
.l3
.ext_flags
& QETH_HDR_EXT_VLAN_FRAME
) ?
1907 hdr
->hdr
.l3
.vlan_id
: *((u16
*)&hdr
->hdr
.l3
.dest_addr
[12]);
1911 if (card
->dev
->features
& NETIF_F_RXCSUM
) {
1912 if ((hdr
->hdr
.l3
.ext_flags
&
1913 (QETH_HDR_EXT_CSUM_HDR_REQ
|
1914 QETH_HDR_EXT_CSUM_TRANSP_REQ
)) ==
1915 (QETH_HDR_EXT_CSUM_HDR_REQ
|
1916 QETH_HDR_EXT_CSUM_TRANSP_REQ
))
1917 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1919 skb
->ip_summed
= CHECKSUM_NONE
;
1921 skb
->ip_summed
= CHECKSUM_NONE
;
1926 static int qeth_l3_process_inbound_buffer(struct qeth_card
*card
,
1927 int budget
, int *done
)
1930 struct sk_buff
*skb
;
1931 struct qeth_hdr
*hdr
;
1940 skb
= qeth_core_get_next_skb(card
,
1941 &card
->qdio
.in_q
->bufs
[card
->rx
.b_index
],
1942 &card
->rx
.b_element
, &card
->rx
.e_offset
, &hdr
);
1947 skb
->dev
= card
->dev
;
1948 switch (hdr
->hdr
.l3
.id
) {
1949 case QETH_HEADER_TYPE_LAYER3
:
1950 magic
= *(__u16
*)skb
->data
;
1951 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) &&
1952 (magic
== ETH_P_AF_IUCV
)) {
1953 skb
->protocol
= ETH_P_AF_IUCV
;
1954 skb
->pkt_type
= PACKET_HOST
;
1955 skb
->mac_header
= NET_SKB_PAD
;
1956 skb
->dev
= card
->dev
;
1958 card
->dev
->header_ops
->create(skb
, card
->dev
, 0,
1959 card
->dev
->dev_addr
, "FAKELL",
1960 card
->dev
->addr_len
);
1961 netif_receive_skb(skb
);
1963 is_vlan
= qeth_l3_rebuild_skb(card
, skb
, hdr
,
1966 if (is_vlan
&& !card
->options
.sniffer
)
1967 __vlan_hwaccel_put_tag(skb
, vlan_tag
);
1968 napi_gro_receive(&card
->napi
, skb
);
1971 case QETH_HEADER_TYPE_LAYER2
: /* for HiperSockets sniffer */
1972 skb
->pkt_type
= PACKET_HOST
;
1973 skb
->protocol
= eth_type_trans(skb
, skb
->dev
);
1975 netif_receive_skb(skb
);
1978 dev_kfree_skb_any(skb
);
1979 QETH_CARD_TEXT(card
, 3, "inbunkno");
1980 QETH_DBF_HEX(CTRL
, 3, hdr
, QETH_DBF_CTRL_LEN
);
1985 card
->stats
.rx_packets
++;
1986 card
->stats
.rx_bytes
+= len
;
1991 static int qeth_l3_poll(struct napi_struct
*napi
, int budget
)
1993 struct qeth_card
*card
= container_of(napi
, struct qeth_card
, napi
);
1995 struct qeth_qdio_buffer
*buffer
;
1997 int new_budget
= budget
;
1999 if (card
->options
.performance_stats
) {
2000 card
->perf_stats
.inbound_cnt
++;
2001 card
->perf_stats
.inbound_start_time
= qeth_get_micros();
2005 if (!card
->rx
.b_count
) {
2006 card
->rx
.qdio_err
= 0;
2007 card
->rx
.b_count
= qdio_get_next_buffers(
2008 card
->data
.ccwdev
, 0, &card
->rx
.b_index
,
2009 &card
->rx
.qdio_err
);
2010 if (card
->rx
.b_count
<= 0) {
2011 card
->rx
.b_count
= 0;
2014 card
->rx
.b_element
=
2015 &card
->qdio
.in_q
->bufs
[card
->rx
.b_index
]
2016 .buffer
->element
[0];
2017 card
->rx
.e_offset
= 0;
2020 while (card
->rx
.b_count
) {
2021 buffer
= &card
->qdio
.in_q
->bufs
[card
->rx
.b_index
];
2022 if (!(card
->rx
.qdio_err
&&
2023 qeth_check_qdio_errors(card
, buffer
->buffer
,
2024 card
->rx
.qdio_err
, "qinerr")))
2025 work_done
+= qeth_l3_process_inbound_buffer(
2026 card
, new_budget
, &done
);
2031 if (card
->options
.performance_stats
)
2032 card
->perf_stats
.bufs_rec
++;
2033 qeth_put_buffer_pool_entry(card
,
2034 buffer
->pool_entry
);
2035 qeth_queue_input_buffer(card
, card
->rx
.b_index
);
2037 if (card
->rx
.b_count
) {
2039 (card
->rx
.b_index
+ 1) %
2040 QDIO_MAX_BUFFERS_PER_Q
;
2041 card
->rx
.b_element
=
2043 ->bufs
[card
->rx
.b_index
]
2044 .buffer
->element
[0];
2045 card
->rx
.e_offset
= 0;
2049 if (work_done
>= budget
)
2052 new_budget
= budget
- work_done
;
2056 napi_complete(napi
);
2057 if (qdio_start_irq(card
->data
.ccwdev
, 0))
2058 napi_schedule(&card
->napi
);
2060 if (card
->options
.performance_stats
)
2061 card
->perf_stats
.inbound_time
+= qeth_get_micros() -
2062 card
->perf_stats
.inbound_start_time
;
2066 static int qeth_l3_verify_vlan_dev(struct net_device
*dev
,
2067 struct qeth_card
*card
)
2072 for_each_set_bit(vid
, card
->active_vlans
, VLAN_N_VID
) {
2073 struct net_device
*netdev
;
2076 netdev
= __vlan_find_dev_deep(card
->dev
, vid
);
2078 if (netdev
== dev
) {
2079 rc
= QETH_VLAN_CARD
;
2084 if (rc
&& !(vlan_dev_real_dev(dev
)->ml_priv
== (void *)card
))
2090 static int qeth_l3_verify_dev(struct net_device
*dev
)
2092 struct qeth_card
*card
;
2093 unsigned long flags
;
2096 read_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
2097 list_for_each_entry(card
, &qeth_core_card_list
.list
, list
) {
2098 if (card
->dev
== dev
) {
2099 rc
= QETH_REAL_CARD
;
2102 rc
= qeth_l3_verify_vlan_dev(dev
, card
);
2106 read_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
2111 static struct qeth_card
*qeth_l3_get_card_from_dev(struct net_device
*dev
)
2113 struct qeth_card
*card
= NULL
;
2116 rc
= qeth_l3_verify_dev(dev
);
2117 if (rc
== QETH_REAL_CARD
)
2118 card
= dev
->ml_priv
;
2119 else if (rc
== QETH_VLAN_CARD
)
2120 card
= vlan_dev_real_dev(dev
)->ml_priv
;
2121 if (card
&& card
->options
.layer2
)
2124 QETH_CARD_TEXT_(card
, 4, "%d", rc
);
2128 static int qeth_l3_stop_card(struct qeth_card
*card
, int recovery_mode
)
2132 QETH_DBF_TEXT(SETUP
, 2, "stopcard");
2133 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
2135 qeth_set_allowed_threads(card
, 0, 1);
2136 if (card
->options
.sniffer
&&
2137 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
))
2138 qeth_diags_trace(card
, QETH_DIAGS_CMD_TRACE_DISABLE
);
2139 if (card
->read
.state
== CH_STATE_UP
&&
2140 card
->write
.state
== CH_STATE_UP
&&
2141 (card
->state
== CARD_STATE_UP
)) {
2143 qeth_l3_stop(card
->dev
);
2146 dev_close(card
->dev
);
2149 card
->state
= CARD_STATE_SOFTSETUP
;
2151 if (card
->state
== CARD_STATE_SOFTSETUP
) {
2152 qeth_l3_clear_ip_list(card
, 1);
2153 qeth_clear_ipacmd_list(card
);
2154 card
->state
= CARD_STATE_HARDSETUP
;
2156 if (card
->state
== CARD_STATE_HARDSETUP
) {
2157 qeth_qdio_clear_card(card
, 0);
2158 qeth_clear_qdio_buffers(card
);
2159 qeth_clear_working_pool_list(card
);
2160 card
->state
= CARD_STATE_DOWN
;
2162 if (card
->state
== CARD_STATE_DOWN
) {
2163 qeth_clear_cmd_buffers(&card
->read
);
2164 qeth_clear_cmd_buffers(&card
->write
);
2170 * test for and Switch promiscuous mode (on or off)
2171 * either for guestlan or HiperSocket Sniffer
2174 qeth_l3_handle_promisc_mode(struct qeth_card
*card
)
2176 struct net_device
*dev
= card
->dev
;
2178 if (((dev
->flags
& IFF_PROMISC
) &&
2179 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
)) ||
2180 (!(dev
->flags
& IFF_PROMISC
) &&
2181 (card
->info
.promisc_mode
== SET_PROMISC_MODE_OFF
)))
2184 if (card
->info
.guestlan
) { /* Guestlan trace */
2185 if (qeth_adp_supported(card
, IPA_SETADP_SET_PROMISC_MODE
))
2186 qeth_setadp_promisc_mode(card
);
2187 } else if (card
->options
.sniffer
&& /* HiperSockets trace */
2188 qeth_adp_supported(card
, IPA_SETADP_SET_DIAG_ASSIST
)) {
2189 if (dev
->flags
& IFF_PROMISC
) {
2190 QETH_CARD_TEXT(card
, 3, "+promisc");
2191 qeth_diags_trace(card
, QETH_DIAGS_CMD_TRACE_ENABLE
);
2193 QETH_CARD_TEXT(card
, 3, "-promisc");
2194 qeth_diags_trace(card
, QETH_DIAGS_CMD_TRACE_DISABLE
);
2199 static void qeth_l3_set_multicast_list(struct net_device
*dev
)
2201 struct qeth_card
*card
= dev
->ml_priv
;
2203 QETH_CARD_TEXT(card
, 3, "setmulti");
2204 if (qeth_threads_running(card
, QETH_RECOVER_THREAD
) &&
2205 (card
->state
!= CARD_STATE_UP
))
2207 if (!card
->options
.sniffer
) {
2208 qeth_l3_delete_mc_addresses(card
);
2209 qeth_l3_add_multicast_ipv4(card
);
2210 #ifdef CONFIG_QETH_IPV6
2211 qeth_l3_add_multicast_ipv6(card
);
2213 qeth_l3_set_ip_addr_list(card
);
2214 if (!qeth_adp_supported(card
, IPA_SETADP_SET_PROMISC_MODE
))
2217 qeth_l3_handle_promisc_mode(card
);
2220 static const char *qeth_l3_arp_get_error_cause(int *rc
)
2223 case QETH_IPA_ARP_RC_FAILED
:
2225 return "operation failed";
2226 case QETH_IPA_ARP_RC_NOTSUPP
:
2228 return "operation not supported";
2229 case QETH_IPA_ARP_RC_OUT_OF_RANGE
:
2231 return "argument out of range";
2232 case QETH_IPA_ARP_RC_Q_NOTSUPP
:
2234 return "query operation not supported";
2235 case QETH_IPA_ARP_RC_Q_NO_DATA
:
2237 return "no query data available";
2239 return "unknown error";
2243 static int qeth_l3_arp_set_no_entries(struct qeth_card
*card
, int no_entries
)
2248 QETH_CARD_TEXT(card
, 3, "arpstnoe");
2251 * currently GuestLAN only supports the ARP assist function
2252 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
2253 * thus we say EOPNOTSUPP for this ARP function
2255 if (card
->info
.guestlan
)
2257 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2260 rc
= qeth_l3_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
2261 IPA_CMD_ASS_ARP_SET_NO_ENTRIES
,
2265 QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on "
2266 "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card
),
2267 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2272 static __u32
get_arp_entry_size(struct qeth_card
*card
,
2273 struct qeth_arp_query_data
*qdata
,
2274 struct qeth_arp_entrytype
*type
, __u8 strip_entries
)
2279 is_hsi
= qdata
->reply_bits
== 5;
2280 if (type
->ip
== QETHARP_IP_ADDR_V4
) {
2281 QETH_CARD_TEXT(card
, 4, "arpev4");
2282 if (strip_entries
) {
2283 rc
= is_hsi
? sizeof(struct qeth_arp_qi_entry5_short
) :
2284 sizeof(struct qeth_arp_qi_entry7_short
);
2286 rc
= is_hsi
? sizeof(struct qeth_arp_qi_entry5
) :
2287 sizeof(struct qeth_arp_qi_entry7
);
2289 } else if (type
->ip
== QETHARP_IP_ADDR_V6
) {
2290 QETH_CARD_TEXT(card
, 4, "arpev6");
2291 if (strip_entries
) {
2293 sizeof(struct qeth_arp_qi_entry5_short_ipv6
) :
2294 sizeof(struct qeth_arp_qi_entry7_short_ipv6
);
2297 sizeof(struct qeth_arp_qi_entry5_ipv6
) :
2298 sizeof(struct qeth_arp_qi_entry7_ipv6
);
2301 QETH_CARD_TEXT(card
, 4, "arpinv");
2308 static int arpentry_matches_prot(struct qeth_arp_entrytype
*type
, __u16 prot
)
2310 return (type
->ip
== QETHARP_IP_ADDR_V4
&& prot
== QETH_PROT_IPV4
) ||
2311 (type
->ip
== QETHARP_IP_ADDR_V6
&& prot
== QETH_PROT_IPV6
);
2314 static int qeth_l3_arp_query_cb(struct qeth_card
*card
,
2315 struct qeth_reply
*reply
, unsigned long data
)
2317 struct qeth_ipa_cmd
*cmd
;
2318 struct qeth_arp_query_data
*qdata
;
2319 struct qeth_arp_query_info
*qinfo
;
2322 int entrybytes_done
;
2324 __u8 do_strip_entries
;
2326 QETH_CARD_TEXT(card
, 3, "arpquecb");
2328 qinfo
= (struct qeth_arp_query_info
*) reply
->param
;
2329 cmd
= (struct qeth_ipa_cmd
*) data
;
2330 QETH_CARD_TEXT_(card
, 4, "%i", cmd
->hdr
.prot_version
);
2331 if (cmd
->hdr
.return_code
) {
2332 QETH_CARD_TEXT(card
, 4, "arpcberr");
2333 QETH_CARD_TEXT_(card
, 4, "%i", cmd
->hdr
.return_code
);
2336 if (cmd
->data
.setassparms
.hdr
.return_code
) {
2337 cmd
->hdr
.return_code
= cmd
->data
.setassparms
.hdr
.return_code
;
2338 QETH_CARD_TEXT(card
, 4, "setaperr");
2339 QETH_CARD_TEXT_(card
, 4, "%i", cmd
->hdr
.return_code
);
2342 qdata
= &cmd
->data
.setassparms
.data
.query_arp
;
2343 QETH_CARD_TEXT_(card
, 4, "anoen%i", qdata
->no_entries
);
2345 do_strip_entries
= (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
) > 0;
2346 stripped_bytes
= do_strip_entries
? QETH_QARP_MEDIASPECIFIC_BYTES
: 0;
2347 entrybytes_done
= 0;
2348 for (e
= 0; e
< qdata
->no_entries
; ++e
) {
2351 struct qeth_arp_entrytype
*etype
;
2353 cur_entry
= &qdata
->data
+ entrybytes_done
;
2354 etype
= &((struct qeth_arp_qi_entry5
*) cur_entry
)->type
;
2355 if (!arpentry_matches_prot(etype
, cmd
->hdr
.prot_version
)) {
2356 QETH_CARD_TEXT(card
, 4, "pmis");
2357 QETH_CARD_TEXT_(card
, 4, "%i", etype
->ip
);
2360 esize
= get_arp_entry_size(card
, qdata
, etype
,
2362 QETH_CARD_TEXT_(card
, 5, "esz%i", esize
);
2366 if ((qinfo
->udata_len
- qinfo
->udata_offset
) < esize
) {
2367 QETH_CARD_TEXT_(card
, 4, "qaer3%i", -ENOMEM
);
2368 cmd
->hdr
.return_code
= IPA_RC_ENOMEM
;
2372 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
2373 &qdata
->data
+ entrybytes_done
+ stripped_bytes
,
2375 entrybytes_done
+= esize
+ stripped_bytes
;
2376 qinfo
->udata_offset
+= esize
;
2377 ++qinfo
->no_entries
;
2379 /* check if all replies received ... */
2380 if (cmd
->data
.setassparms
.hdr
.seq_no
<
2381 cmd
->data
.setassparms
.hdr
.number_of_replies
)
2383 QETH_CARD_TEXT_(card
, 4, "nove%i", qinfo
->no_entries
);
2384 memcpy(qinfo
->udata
, &qinfo
->no_entries
, 4);
2385 /* keep STRIP_ENTRIES flag so the user program can distinguish
2386 * stripped entries from normal ones */
2387 if (qinfo
->mask_bits
& QETH_QARP_STRIP_ENTRIES
)
2388 qdata
->reply_bits
|= QETH_QARP_STRIP_ENTRIES
;
2389 memcpy(qinfo
->udata
+ QETH_QARP_MASK_OFFSET
, &qdata
->reply_bits
, 2);
2390 QETH_CARD_TEXT_(card
, 4, "rc%i", 0);
2394 memcpy(qinfo
->udata
, &i
, 4);
2398 static int qeth_l3_send_ipa_arp_cmd(struct qeth_card
*card
,
2399 struct qeth_cmd_buffer
*iob
, int len
,
2400 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
2404 QETH_CARD_TEXT(card
, 4, "sendarp");
2406 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
2407 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
2408 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2409 return qeth_send_control_data(card
, IPA_PDU_HEADER_SIZE
+ len
, iob
,
2410 reply_cb
, reply_param
);
2413 static int qeth_l3_query_arp_cache_info(struct qeth_card
*card
,
2414 enum qeth_prot_versions prot
,
2415 struct qeth_arp_query_info
*qinfo
)
2417 struct qeth_cmd_buffer
*iob
;
2418 struct qeth_ipa_cmd
*cmd
;
2422 QETH_CARD_TEXT_(card
, 3, "qarpipv%i", prot
);
2424 iob
= qeth_l3_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
2425 IPA_CMD_ASS_ARP_QUERY_INFO
,
2426 sizeof(struct qeth_arp_query_data
) - sizeof(char),
2428 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2429 cmd
->data
.setassparms
.data
.query_arp
.request_bits
= 0x000F;
2430 cmd
->data
.setassparms
.data
.query_arp
.reply_bits
= 0;
2431 cmd
->data
.setassparms
.data
.query_arp
.no_entries
= 0;
2432 rc
= qeth_l3_send_ipa_arp_cmd(card
, iob
,
2433 QETH_SETASS_BASE_LEN
+QETH_ARP_CMD_LEN
,
2434 qeth_l3_arp_query_cb
, (void *)qinfo
);
2438 "Error while querying ARP cache on %s: %s "
2439 "(0x%x/%d)\n", QETH_CARD_IFNAME(card
),
2440 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2446 static int qeth_l3_arp_query(struct qeth_card
*card
, char __user
*udata
)
2448 struct qeth_arp_query_info qinfo
= {0, };
2451 QETH_CARD_TEXT(card
, 3, "arpquery");
2453 if (!qeth_is_supported(card
,/*IPA_QUERY_ARP_ADDR_INFO*/
2454 IPA_ARP_PROCESSING
)) {
2455 QETH_CARD_TEXT(card
, 3, "arpqnsup");
2459 /* get size of userspace buffer and mask_bits -> 6 bytes */
2460 if (copy_from_user(&qinfo
, udata
, 6)) {
2464 qinfo
.udata
= kzalloc(qinfo
.udata_len
, GFP_KERNEL
);
2469 qinfo
.udata_offset
= QETH_QARP_ENTRIES_OFFSET
;
2470 rc
= qeth_l3_query_arp_cache_info(card
, QETH_PROT_IPV4
, &qinfo
);
2472 if (copy_to_user(udata
, qinfo
.udata
, 4))
2476 #ifdef CONFIG_QETH_IPV6
2477 if (qinfo
.mask_bits
& QETH_QARP_WITH_IPV6
) {
2478 /* fails in case of GuestLAN QDIO mode */
2479 qeth_l3_query_arp_cache_info(card
, QETH_PROT_IPV6
,
2483 if (copy_to_user(udata
, qinfo
.udata
, qinfo
.udata_len
)) {
2484 QETH_CARD_TEXT(card
, 4, "qactf");
2488 QETH_CARD_TEXT_(card
, 4, "qacts");
2496 static int qeth_l3_arp_add_entry(struct qeth_card
*card
,
2497 struct qeth_arp_cache_entry
*entry
)
2499 struct qeth_cmd_buffer
*iob
;
2504 QETH_CARD_TEXT(card
, 3, "arpadent");
2507 * currently GuestLAN only supports the ARP assist function
2508 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
2509 * thus we say EOPNOTSUPP for this ARP function
2511 if (card
->info
.guestlan
)
2513 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2517 iob
= qeth_l3_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
2518 IPA_CMD_ASS_ARP_ADD_ENTRY
,
2519 sizeof(struct qeth_arp_cache_entry
),
2521 rc
= qeth_l3_send_setassparms(card
, iob
,
2522 sizeof(struct qeth_arp_cache_entry
),
2523 (unsigned long) entry
,
2524 qeth_l3_default_setassparms_cb
, NULL
);
2527 qeth_l3_ipaddr4_to_string((u8
*)entry
->ipaddr
, buf
);
2528 QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s "
2529 "on %s: %s (0x%x/%d)\n", buf
, QETH_CARD_IFNAME(card
),
2530 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2535 static int qeth_l3_arp_remove_entry(struct qeth_card
*card
,
2536 struct qeth_arp_cache_entry
*entry
)
2538 struct qeth_cmd_buffer
*iob
;
2539 char buf
[16] = {0, };
2543 QETH_CARD_TEXT(card
, 3, "arprment");
2546 * currently GuestLAN only supports the ARP assist function
2547 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
2548 * thus we say EOPNOTSUPP for this ARP function
2550 if (card
->info
.guestlan
)
2552 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2555 memcpy(buf
, entry
, 12);
2556 iob
= qeth_l3_get_setassparms_cmd(card
, IPA_ARP_PROCESSING
,
2557 IPA_CMD_ASS_ARP_REMOVE_ENTRY
,
2560 rc
= qeth_l3_send_setassparms(card
, iob
,
2561 12, (unsigned long)buf
,
2562 qeth_l3_default_setassparms_cb
, NULL
);
2566 qeth_l3_ipaddr4_to_string((u8
*)entry
->ipaddr
, buf
);
2567 QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s"
2568 " on %s: %s (0x%x/%d)\n", buf
, QETH_CARD_IFNAME(card
),
2569 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2574 static int qeth_l3_arp_flush_cache(struct qeth_card
*card
)
2579 QETH_CARD_TEXT(card
, 3, "arpflush");
2582 * currently GuestLAN only supports the ARP assist function
2583 * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
2584 * thus we say EOPNOTSUPP for this ARP function
2586 if (card
->info
.guestlan
|| (card
->info
.type
== QETH_CARD_TYPE_IQD
))
2588 if (!qeth_is_supported(card
, IPA_ARP_PROCESSING
)) {
2591 rc
= qeth_l3_send_simple_setassparms(card
, IPA_ARP_PROCESSING
,
2592 IPA_CMD_ASS_ARP_FLUSH_CACHE
, 0);
2595 QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s "
2596 "(0x%x/%d)\n", QETH_CARD_IFNAME(card
),
2597 qeth_l3_arp_get_error_cause(&rc
), tmp
, tmp
);
2602 static int qeth_l3_do_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
)
2604 struct qeth_card
*card
= dev
->ml_priv
;
2605 struct qeth_arp_cache_entry arp_entry
;
2606 struct mii_ioctl_data
*mii_data
;
2612 if ((card
->state
!= CARD_STATE_UP
) &&
2613 (card
->state
!= CARD_STATE_SOFTSETUP
))
2617 case SIOC_QETH_ARP_SET_NO_ENTRIES
:
2618 if (!capable(CAP_NET_ADMIN
)) {
2622 rc
= qeth_l3_arp_set_no_entries(card
, rq
->ifr_ifru
.ifru_ivalue
);
2624 case SIOC_QETH_ARP_QUERY_INFO
:
2625 if (!capable(CAP_NET_ADMIN
)) {
2629 rc
= qeth_l3_arp_query(card
, rq
->ifr_ifru
.ifru_data
);
2631 case SIOC_QETH_ARP_ADD_ENTRY
:
2632 if (!capable(CAP_NET_ADMIN
)) {
2636 if (copy_from_user(&arp_entry
, rq
->ifr_ifru
.ifru_data
,
2637 sizeof(struct qeth_arp_cache_entry
)))
2640 rc
= qeth_l3_arp_add_entry(card
, &arp_entry
);
2642 case SIOC_QETH_ARP_REMOVE_ENTRY
:
2643 if (!capable(CAP_NET_ADMIN
)) {
2647 if (copy_from_user(&arp_entry
, rq
->ifr_ifru
.ifru_data
,
2648 sizeof(struct qeth_arp_cache_entry
)))
2651 rc
= qeth_l3_arp_remove_entry(card
, &arp_entry
);
2653 case SIOC_QETH_ARP_FLUSH_CACHE
:
2654 if (!capable(CAP_NET_ADMIN
)) {
2658 rc
= qeth_l3_arp_flush_cache(card
);
2660 case SIOC_QETH_ADP_SET_SNMP_CONTROL
:
2661 rc
= qeth_snmp_command(card
, rq
->ifr_ifru
.ifru_data
);
2663 case SIOC_QETH_GET_CARD_TYPE
:
2664 if ((card
->info
.type
== QETH_CARD_TYPE_OSD
||
2665 card
->info
.type
== QETH_CARD_TYPE_OSX
) &&
2666 !card
->info
.guestlan
)
2671 mii_data
= if_mii(rq
);
2672 mii_data
->phy_id
= 0;
2675 mii_data
= if_mii(rq
);
2676 if (mii_data
->phy_id
!= 0)
2679 mii_data
->val_out
= qeth_mdio_read(dev
,
2683 case SIOC_QETH_QUERY_OAT
:
2684 rc
= qeth_query_oat_command(card
, rq
->ifr_ifru
.ifru_data
);
2690 QETH_CARD_TEXT_(card
, 2, "ioce%d", rc
);
2694 int inline qeth_l3_get_cast_type(struct qeth_card
*card
, struct sk_buff
*skb
)
2696 int cast_type
= RTN_UNSPEC
;
2697 struct neighbour
*n
= NULL
;
2698 struct dst_entry
*dst
;
2703 n
= dst_neigh_lookup_skb(dst
, skb
);
2705 cast_type
= n
->type
;
2708 if ((cast_type
== RTN_BROADCAST
) ||
2709 (cast_type
== RTN_MULTICAST
) ||
2710 (cast_type
== RTN_ANYCAST
))
2717 /* try something else */
2718 if (skb
->protocol
== ETH_P_IPV6
)
2719 return (skb_network_header(skb
)[24] == 0xff) ?
2721 else if (skb
->protocol
== ETH_P_IP
)
2722 return ((skb_network_header(skb
)[16] & 0xf0) == 0xe0) ?
2725 if (!memcmp(skb
->data
, skb
->dev
->broadcast
, 6))
2726 return RTN_BROADCAST
;
2730 hdr_mac
= *((u16
*)skb
->data
);
2732 switch (card
->info
.link_type
) {
2733 case QETH_LINK_TYPE_HSTR
:
2734 case QETH_LINK_TYPE_LANE_TR
:
2735 if ((hdr_mac
== QETH_TR_MAC_NC
) ||
2736 (hdr_mac
== QETH_TR_MAC_C
))
2737 return RTN_MULTICAST
;
2739 /* eth or so multicast? */
2741 if ((hdr_mac
== QETH_ETH_MAC_V4
) ||
2742 (hdr_mac
== QETH_ETH_MAC_V6
))
2743 return RTN_MULTICAST
;
2749 static void qeth_l3_fill_af_iucv_hdr(struct qeth_card
*card
,
2750 struct qeth_hdr
*hdr
, struct sk_buff
*skb
)
2753 struct af_iucv_trans_hdr
*iucv_hdr
;
2756 card
->dev
->header_ops
->create(skb
, card
->dev
, 0,
2757 card
->dev
->dev_addr
, card
->dev
->dev_addr
,
2758 card
->dev
->addr_len
);
2760 iucv_hdr
= (struct af_iucv_trans_hdr
*)skb
->data
;
2761 memset(hdr
, 0, sizeof(struct qeth_hdr
));
2762 hdr
->hdr
.l3
.id
= QETH_HEADER_TYPE_LAYER3
;
2763 hdr
->hdr
.l3
.ext_flags
= 0;
2764 hdr
->hdr
.l3
.length
= skb
->len
;
2765 hdr
->hdr
.l3
.flags
= QETH_HDR_IPV6
| QETH_CAST_UNICAST
;
2766 memset(daddr
, 0, sizeof(daddr
));
2769 memcpy(&daddr
[8], iucv_hdr
->destUserID
, 8);
2770 memcpy(hdr
->hdr
.l3
.dest_addr
, daddr
, 16);
2773 static void qeth_l3_fill_header(struct qeth_card
*card
, struct qeth_hdr
*hdr
,
2774 struct sk_buff
*skb
, int ipv
, int cast_type
)
2776 struct dst_entry
*dst
;
2778 memset(hdr
, 0, sizeof(struct qeth_hdr
));
2779 hdr
->hdr
.l3
.id
= QETH_HEADER_TYPE_LAYER3
;
2780 hdr
->hdr
.l3
.ext_flags
= 0;
2783 * before we're going to overwrite this location with next hop ip.
2784 * v6 uses passthrough, v4 sets the tag in the QDIO header.
2786 if (vlan_tx_tag_present(skb
)) {
2787 if ((ipv
== 4) || (card
->info
.type
== QETH_CARD_TYPE_IQD
))
2788 hdr
->hdr
.l3
.ext_flags
= QETH_HDR_EXT_VLAN_FRAME
;
2790 hdr
->hdr
.l3
.ext_flags
= QETH_HDR_EXT_INCLUDE_VLAN_TAG
;
2791 hdr
->hdr
.l3
.vlan_id
= vlan_tx_tag_get(skb
);
2794 hdr
->hdr
.l3
.length
= skb
->len
- sizeof(struct qeth_hdr
);
2799 struct rtable
*rt
= (struct rtable
*) dst
;
2800 __be32
*pkey
= &ip_hdr(skb
)->daddr
;
2803 pkey
= &rt
->rt_gateway
;
2806 hdr
->hdr
.l3
.flags
= qeth_l3_get_qeth_hdr_flags4(cast_type
);
2807 memset(hdr
->hdr
.l3
.dest_addr
, 0, 12);
2808 *((__be32
*) (&hdr
->hdr
.l3
.dest_addr
[12])) = *pkey
;
2809 } else if (ipv
== 6) {
2810 struct rt6_info
*rt
= (struct rt6_info
*) dst
;
2811 struct in6_addr
*pkey
= &ipv6_hdr(skb
)->daddr
;
2813 if (!ipv6_addr_any(&rt
->rt6i_gateway
))
2814 pkey
= &rt
->rt6i_gateway
;
2817 hdr
->hdr
.l3
.flags
= qeth_l3_get_qeth_hdr_flags6(cast_type
);
2818 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
2819 hdr
->hdr
.l3
.flags
&= ~QETH_HDR_PASSTHRU
;
2820 memcpy(hdr
->hdr
.l3
.dest_addr
, pkey
, 16);
2822 if (!memcmp(skb
->data
+ sizeof(struct qeth_hdr
),
2823 skb
->dev
->broadcast
, 6)) {
2825 hdr
->hdr
.l3
.flags
= QETH_CAST_BROADCAST
|
2828 hdr
->hdr
.l3
.flags
= (cast_type
== RTN_MULTICAST
) ?
2829 QETH_CAST_MULTICAST
| QETH_HDR_PASSTHRU
:
2830 QETH_CAST_UNICAST
| QETH_HDR_PASSTHRU
;
2836 static inline void qeth_l3_hdr_csum(struct qeth_card
*card
,
2837 struct qeth_hdr
*hdr
, struct sk_buff
*skb
)
2839 struct iphdr
*iph
= ip_hdr(skb
);
2841 /* tcph->check contains already the pseudo hdr checksum
2842 * so just set the header flags
2844 if (iph
->protocol
== IPPROTO_UDP
)
2845 hdr
->hdr
.l3
.ext_flags
|= QETH_HDR_EXT_UDP
;
2846 hdr
->hdr
.l3
.ext_flags
|= QETH_HDR_EXT_CSUM_TRANSP_REQ
|
2847 QETH_HDR_EXT_CSUM_HDR_REQ
;
2849 if (card
->options
.performance_stats
)
2850 card
->perf_stats
.tx_csum
++;
2853 static void qeth_tso_fill_header(struct qeth_card
*card
,
2854 struct qeth_hdr
*qhdr
, struct sk_buff
*skb
)
2856 struct qeth_hdr_tso
*hdr
= (struct qeth_hdr_tso
*)qhdr
;
2857 struct tcphdr
*tcph
= tcp_hdr(skb
);
2858 struct iphdr
*iph
= ip_hdr(skb
);
2859 struct ipv6hdr
*ip6h
= ipv6_hdr(skb
);
2861 /*fix header to TSO values ...*/
2862 hdr
->hdr
.hdr
.l3
.id
= QETH_HEADER_TYPE_TSO
;
2863 hdr
->hdr
.hdr
.l3
.length
= skb
->len
- sizeof(struct qeth_hdr_tso
);
2864 /*set values which are fix for the first approach ...*/
2865 hdr
->ext
.hdr_tot_len
= (__u16
) sizeof(struct qeth_hdr_ext_tso
);
2866 hdr
->ext
.imb_hdr_no
= 1;
2867 hdr
->ext
.hdr_type
= 1;
2868 hdr
->ext
.hdr_version
= 1;
2869 hdr
->ext
.hdr_len
= 28;
2870 /*insert non-fix values */
2871 hdr
->ext
.mss
= skb_shinfo(skb
)->gso_size
;
2872 hdr
->ext
.dg_hdr_len
= (__u16
)(iph
->ihl
*4 + tcph
->doff
*4);
2873 hdr
->ext
.payload_len
= (__u16
)(skb
->len
- hdr
->ext
.dg_hdr_len
-
2874 sizeof(struct qeth_hdr_tso
));
2876 if (skb
->protocol
== ETH_P_IPV6
) {
2877 ip6h
->payload_len
= 0;
2878 tcph
->check
= ~csum_ipv6_magic(&ip6h
->saddr
, &ip6h
->daddr
,
2881 /*OSA want us to set these values ...*/
2882 tcph
->check
= ~csum_tcpudp_magic(iph
->saddr
, iph
->daddr
,
2889 static inline int qeth_l3_tso_elements(struct sk_buff
*skb
)
2891 unsigned long tcpd
= (unsigned long)tcp_hdr(skb
) +
2892 tcp_hdr(skb
)->doff
* 4;
2893 int tcpd_len
= skb
->len
- (tcpd
- (unsigned long)skb
->data
);
2894 int elements
= PFN_UP(tcpd
+ tcpd_len
- 1) - PFN_DOWN(tcpd
);
2895 elements
+= skb_shinfo(skb
)->nr_frags
;
2899 static int qeth_l3_hard_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
2903 struct qeth_hdr
*hdr
= NULL
;
2904 int elements_needed
= 0;
2906 struct qeth_card
*card
= dev
->ml_priv
;
2907 struct sk_buff
*new_skb
= NULL
;
2908 int ipv
= qeth_get_ip_version(skb
);
2909 int cast_type
= qeth_l3_get_cast_type(card
, skb
);
2910 struct qeth_qdio_out_q
*queue
= card
->qdio
.out_qs
2911 [qeth_get_priority_queue(card
, skb
, ipv
, cast_type
)];
2912 int tx_bytes
= skb
->len
;
2914 int data_offset
= -1;
2917 if (((card
->info
.type
== QETH_CARD_TYPE_IQD
) &&
2918 (((card
->options
.cq
!= QETH_CQ_ENABLED
) && !ipv
) ||
2919 ((card
->options
.cq
== QETH_CQ_ENABLED
) &&
2920 (skb
->protocol
!= ETH_P_AF_IUCV
)))) ||
2921 card
->options
.sniffer
)
2924 if ((card
->state
!= CARD_STATE_UP
) || !card
->lan_online
) {
2925 card
->stats
.tx_carrier_errors
++;
2929 if ((cast_type
== RTN_BROADCAST
) &&
2930 (card
->info
.broadcast_capable
== 0))
2933 if (card
->options
.performance_stats
) {
2934 card
->perf_stats
.outbound_cnt
++;
2935 card
->perf_stats
.outbound_start_time
= qeth_get_micros();
2938 large_send
= skb_is_gso(skb
);
2940 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) && (!large_send
) &&
2941 (skb_shinfo(skb
)->nr_frags
== 0)) {
2943 if (new_skb
->protocol
== ETH_P_AF_IUCV
)
2946 data_offset
= ETH_HLEN
;
2947 hdr
= kmem_cache_alloc(qeth_core_header_cache
, GFP_ATOMIC
);
2952 /* create a clone with writeable headroom */
2953 new_skb
= skb_realloc_headroom(skb
, sizeof(struct qeth_hdr_tso
)
2959 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
2960 if (data_offset
< 0)
2961 skb_pull(new_skb
, ETH_HLEN
);
2964 skb_pull(new_skb
, ETH_HLEN
);
2967 if (ipv
!= 4 && vlan_tx_tag_present(new_skb
)) {
2968 skb_push(new_skb
, VLAN_HLEN
);
2969 skb_copy_to_linear_data(new_skb
, new_skb
->data
+ 4, 4);
2970 skb_copy_to_linear_data_offset(new_skb
, 4,
2971 new_skb
->data
+ 8, 4);
2972 skb_copy_to_linear_data_offset(new_skb
, 8,
2973 new_skb
->data
+ 12, 4);
2974 tag
= (u16
*)(new_skb
->data
+ 12);
2975 *tag
= __constant_htons(ETH_P_8021Q
);
2976 *(tag
+ 1) = htons(vlan_tx_tag_get(new_skb
));
2980 netif_stop_queue(dev
);
2982 /* fix hardware limitation: as long as we do not have sbal
2983 * chaining we can not send long frag lists
2986 if (qeth_l3_tso_elements(new_skb
) + 1 > 16) {
2987 if (skb_linearize(new_skb
))
2989 if (card
->options
.performance_stats
)
2990 card
->perf_stats
.tx_lin
++;
2994 if (large_send
&& (cast_type
== RTN_UNSPEC
)) {
2995 hdr
= (struct qeth_hdr
*)skb_push(new_skb
,
2996 sizeof(struct qeth_hdr_tso
));
2997 memset(hdr
, 0, sizeof(struct qeth_hdr_tso
));
2998 qeth_l3_fill_header(card
, hdr
, new_skb
, ipv
, cast_type
);
2999 qeth_tso_fill_header(card
, hdr
, new_skb
);
3002 if (data_offset
< 0) {
3003 hdr
= (struct qeth_hdr
*)skb_push(new_skb
,
3004 sizeof(struct qeth_hdr
));
3005 qeth_l3_fill_header(card
, hdr
, new_skb
, ipv
,
3008 if (new_skb
->protocol
== ETH_P_AF_IUCV
)
3009 qeth_l3_fill_af_iucv_hdr(card
, hdr
, new_skb
);
3011 qeth_l3_fill_header(card
, hdr
, new_skb
, ipv
,
3013 hdr
->hdr
.l3
.length
= new_skb
->len
- data_offset
;
3017 if (skb
->ip_summed
== CHECKSUM_PARTIAL
)
3018 qeth_l3_hdr_csum(card
, hdr
, new_skb
);
3021 elems
= qeth_get_elements_no(card
, (void *)hdr
, new_skb
,
3024 if (data_offset
>= 0)
3025 kmem_cache_free(qeth_core_header_cache
, hdr
);
3028 elements_needed
+= elems
;
3029 nr_frags
= skb_shinfo(new_skb
)->nr_frags
;
3031 if (card
->info
.type
!= QETH_CARD_TYPE_IQD
) {
3034 len
= ((unsigned long)tcp_hdr(new_skb
) +
3035 tcp_hdr(new_skb
)->doff
* 4) -
3036 (unsigned long)new_skb
->data
;
3038 len
= sizeof(struct qeth_hdr_layer3
);
3040 if (qeth_hdr_chk_and_bounce(new_skb
, len
))
3042 rc
= qeth_do_send_packet(card
, queue
, new_skb
, hdr
,
3045 rc
= qeth_do_send_packet_fast(card
, queue
, new_skb
, hdr
,
3046 elements_needed
, data_offset
, 0);
3049 card
->stats
.tx_packets
++;
3050 card
->stats
.tx_bytes
+= tx_bytes
;
3052 dev_kfree_skb_any(skb
);
3053 if (card
->options
.performance_stats
) {
3055 card
->perf_stats
.large_send_bytes
+= tx_bytes
;
3056 card
->perf_stats
.large_send_cnt
++;
3059 card
->perf_stats
.sg_skbs_sent
++;
3060 /* nr_frags + skb->data */
3061 card
->perf_stats
.sg_frags_sent
+= nr_frags
+ 1;
3066 if (data_offset
>= 0)
3067 kmem_cache_free(qeth_core_header_cache
, hdr
);
3071 dev_kfree_skb_any(new_skb
);
3072 return NETDEV_TX_BUSY
;
3077 netif_wake_queue(dev
);
3078 if (card
->options
.performance_stats
)
3079 card
->perf_stats
.outbound_time
+= qeth_get_micros() -
3080 card
->perf_stats
.outbound_start_time
;
3084 card
->stats
.tx_dropped
++;
3085 card
->stats
.tx_errors
++;
3086 if ((new_skb
!= skb
) && new_skb
)
3087 dev_kfree_skb_any(new_skb
);
3088 dev_kfree_skb_any(skb
);
3089 netif_wake_queue(dev
);
3090 return NETDEV_TX_OK
;
3093 static int __qeth_l3_open(struct net_device
*dev
)
3095 struct qeth_card
*card
= dev
->ml_priv
;
3098 QETH_CARD_TEXT(card
, 4, "qethopen");
3099 if (card
->state
== CARD_STATE_UP
)
3101 if (card
->state
!= CARD_STATE_SOFTSETUP
)
3103 card
->data
.state
= CH_STATE_UP
;
3104 card
->state
= CARD_STATE_UP
;
3105 netif_start_queue(dev
);
3107 if (qdio_stop_irq(card
->data
.ccwdev
, 0) >= 0) {
3108 napi_enable(&card
->napi
);
3109 napi_schedule(&card
->napi
);
3115 static int qeth_l3_open(struct net_device
*dev
)
3117 struct qeth_card
*card
= dev
->ml_priv
;
3119 QETH_CARD_TEXT(card
, 5, "qethope_");
3120 if (qeth_wait_for_threads(card
, QETH_RECOVER_THREAD
)) {
3121 QETH_CARD_TEXT(card
, 3, "openREC");
3122 return -ERESTARTSYS
;
3124 return __qeth_l3_open(dev
);
3127 static int qeth_l3_stop(struct net_device
*dev
)
3129 struct qeth_card
*card
= dev
->ml_priv
;
3131 QETH_CARD_TEXT(card
, 4, "qethstop");
3132 netif_tx_disable(dev
);
3133 if (card
->state
== CARD_STATE_UP
) {
3134 card
->state
= CARD_STATE_SOFTSETUP
;
3135 napi_disable(&card
->napi
);
3140 static netdev_features_t
qeth_l3_fix_features(struct net_device
*dev
,
3141 netdev_features_t features
)
3143 struct qeth_card
*card
= dev
->ml_priv
;
3145 if (!qeth_is_supported(card
, IPA_OUTBOUND_CHECKSUM
))
3146 features
&= ~NETIF_F_IP_CSUM
;
3147 if (!qeth_is_supported(card
, IPA_OUTBOUND_TSO
))
3148 features
&= ~NETIF_F_TSO
;
3149 if (!qeth_is_supported(card
, IPA_INBOUND_CHECKSUM
))
3150 features
&= ~NETIF_F_RXCSUM
;
3155 static int qeth_l3_set_features(struct net_device
*dev
,
3156 netdev_features_t features
)
3158 struct qeth_card
*card
= dev
->ml_priv
;
3159 u32 changed
= dev
->features
^ features
;
3162 if (!(changed
& NETIF_F_RXCSUM
))
3165 if (card
->state
== CARD_STATE_DOWN
||
3166 card
->state
== CARD_STATE_RECOVER
)
3169 err
= qeth_l3_set_rx_csum(card
, features
& NETIF_F_RXCSUM
);
3171 dev
->features
= features
^ NETIF_F_RXCSUM
;
3176 static const struct ethtool_ops qeth_l3_ethtool_ops
= {
3177 .get_link
= ethtool_op_get_link
,
3178 .get_strings
= qeth_core_get_strings
,
3179 .get_ethtool_stats
= qeth_core_get_ethtool_stats
,
3180 .get_sset_count
= qeth_core_get_sset_count
,
3181 .get_drvinfo
= qeth_core_get_drvinfo
,
3182 .get_settings
= qeth_core_ethtool_get_settings
,
3186 * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting
3187 * NOARP on the netdevice is no option because it also turns off neighbor
3188 * solicitation. For IPv4 we install a neighbor_setup function. We don't want
3189 * arp resolution but we want the hard header (packet socket will work
3192 static int qeth_l3_neigh_setup_noarp(struct neighbour
*n
)
3194 n
->nud_state
= NUD_NOARP
;
3195 memcpy(n
->ha
, "FAKELL", 6);
3196 n
->output
= n
->ops
->connected_output
;
3201 qeth_l3_neigh_setup(struct net_device
*dev
, struct neigh_parms
*np
)
3203 if (np
->tbl
->family
== AF_INET
)
3204 np
->neigh_setup
= qeth_l3_neigh_setup_noarp
;
3209 static const struct net_device_ops qeth_l3_netdev_ops
= {
3210 .ndo_open
= qeth_l3_open
,
3211 .ndo_stop
= qeth_l3_stop
,
3212 .ndo_get_stats
= qeth_get_stats
,
3213 .ndo_start_xmit
= qeth_l3_hard_start_xmit
,
3214 .ndo_validate_addr
= eth_validate_addr
,
3215 .ndo_set_rx_mode
= qeth_l3_set_multicast_list
,
3216 .ndo_do_ioctl
= qeth_l3_do_ioctl
,
3217 .ndo_change_mtu
= qeth_change_mtu
,
3218 .ndo_fix_features
= qeth_l3_fix_features
,
3219 .ndo_set_features
= qeth_l3_set_features
,
3220 .ndo_vlan_rx_add_vid
= qeth_l3_vlan_rx_add_vid
,
3221 .ndo_vlan_rx_kill_vid
= qeth_l3_vlan_rx_kill_vid
,
3222 .ndo_tx_timeout
= qeth_tx_timeout
,
3225 static const struct net_device_ops qeth_l3_osa_netdev_ops
= {
3226 .ndo_open
= qeth_l3_open
,
3227 .ndo_stop
= qeth_l3_stop
,
3228 .ndo_get_stats
= qeth_get_stats
,
3229 .ndo_start_xmit
= qeth_l3_hard_start_xmit
,
3230 .ndo_validate_addr
= eth_validate_addr
,
3231 .ndo_set_rx_mode
= qeth_l3_set_multicast_list
,
3232 .ndo_do_ioctl
= qeth_l3_do_ioctl
,
3233 .ndo_change_mtu
= qeth_change_mtu
,
3234 .ndo_fix_features
= qeth_l3_fix_features
,
3235 .ndo_set_features
= qeth_l3_set_features
,
3236 .ndo_vlan_rx_add_vid
= qeth_l3_vlan_rx_add_vid
,
3237 .ndo_vlan_rx_kill_vid
= qeth_l3_vlan_rx_kill_vid
,
3238 .ndo_tx_timeout
= qeth_tx_timeout
,
3239 .ndo_neigh_setup
= qeth_l3_neigh_setup
,
3242 static int qeth_l3_setup_netdev(struct qeth_card
*card
)
3244 if (card
->info
.type
== QETH_CARD_TYPE_OSD
||
3245 card
->info
.type
== QETH_CARD_TYPE_OSX
) {
3246 if ((card
->info
.link_type
== QETH_LINK_TYPE_LANE_TR
) ||
3247 (card
->info
.link_type
== QETH_LINK_TYPE_HSTR
)) {
3248 pr_info("qeth_l3: ignoring TR device\n");
3251 card
->dev
= alloc_etherdev(0);
3254 card
->dev
->netdev_ops
= &qeth_l3_osa_netdev_ops
;
3256 /*IPv6 address autoconfiguration stuff*/
3257 qeth_l3_get_unique_id(card
);
3258 if (!(card
->info
.unique_id
& UNIQUE_ID_NOT_BY_CARD
))
3259 card
->dev
->dev_id
= card
->info
.unique_id
&
3261 if (!card
->info
.guestlan
) {
3262 card
->dev
->hw_features
= NETIF_F_SG
|
3263 NETIF_F_RXCSUM
| NETIF_F_IP_CSUM
|
3265 card
->dev
->features
= NETIF_F_RXCSUM
;
3268 } else if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
3269 card
->dev
= alloc_netdev(0, "hsi%d", ether_setup
);
3272 card
->dev
->flags
|= IFF_NOARP
;
3273 card
->dev
->netdev_ops
= &qeth_l3_netdev_ops
;
3274 qeth_l3_iqd_read_initial_mac(card
);
3275 if (card
->options
.hsuid
[0])
3276 memcpy(card
->dev
->perm_addr
, card
->options
.hsuid
, 9);
3280 card
->dev
->ml_priv
= card
;
3281 card
->dev
->watchdog_timeo
= QETH_TX_TIMEOUT
;
3282 card
->dev
->mtu
= card
->info
.initial_mtu
;
3283 SET_ETHTOOL_OPS(card
->dev
, &qeth_l3_ethtool_ops
);
3284 card
->dev
->features
|= NETIF_F_HW_VLAN_TX
|
3285 NETIF_F_HW_VLAN_RX
|
3286 NETIF_F_HW_VLAN_FILTER
;
3287 card
->dev
->priv_flags
&= ~IFF_XMIT_DST_RELEASE
;
3288 card
->dev
->gso_max_size
= 15 * PAGE_SIZE
;
3290 SET_NETDEV_DEV(card
->dev
, &card
->gdev
->dev
);
3291 netif_napi_add(card
->dev
, &card
->napi
, qeth_l3_poll
, QETH_NAPI_WEIGHT
);
3292 return register_netdev(card
->dev
);
3295 static int qeth_l3_probe_device(struct ccwgroup_device
*gdev
)
3297 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3299 qeth_l3_create_device_attributes(&gdev
->dev
);
3300 card
->options
.layer2
= 0;
3301 card
->info
.hwtrap
= 0;
3305 static void qeth_l3_remove_device(struct ccwgroup_device
*cgdev
)
3307 struct qeth_card
*card
= dev_get_drvdata(&cgdev
->dev
);
3309 qeth_l3_remove_device_attributes(&cgdev
->dev
);
3311 qeth_set_allowed_threads(card
, 0, 1);
3312 wait_event(card
->wait_q
, qeth_threads_running(card
, 0xffffffff) == 0);
3314 if (cgdev
->state
== CCWGROUP_ONLINE
)
3315 qeth_l3_set_offline(cgdev
);
3318 unregister_netdev(card
->dev
);
3322 qeth_l3_clear_ip_list(card
, 0);
3323 qeth_l3_clear_ipato_list(card
);
3327 static int __qeth_l3_set_online(struct ccwgroup_device
*gdev
, int recovery_mode
)
3329 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3331 enum qeth_card_states recover_flag
;
3334 mutex_lock(&card
->discipline_mutex
);
3335 mutex_lock(&card
->conf_mutex
);
3336 QETH_DBF_TEXT(SETUP
, 2, "setonlin");
3337 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
3339 recover_flag
= card
->state
;
3340 rc
= qeth_core_hardsetup_card(card
);
3342 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
3347 if (!card
->dev
&& qeth_l3_setup_netdev(card
)) {
3352 if (qeth_is_diagass_supported(card
, QETH_DIAGS_CMD_TRAP
)) {
3353 if (card
->info
.hwtrap
&&
3354 qeth_hw_trap(card
, QETH_DIAGS_TRAP_ARM
))
3355 card
->info
.hwtrap
= 0;
3357 card
->info
.hwtrap
= 0;
3359 card
->state
= CARD_STATE_HARDSETUP
;
3360 memset(&card
->rx
, 0, sizeof(struct qeth_rx
));
3361 qeth_print_status_message(card
);
3364 QETH_DBF_TEXT(SETUP
, 2, "softsetp");
3366 rc
= qeth_send_startlan(card
);
3368 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
3370 dev_warn(&card
->gdev
->dev
,
3371 "The LAN is offline\n");
3372 card
->lan_online
= 0;
3378 card
->lan_online
= 1;
3381 rc
= qeth_l3_setadapter_parms(card
);
3383 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
3384 if (!card
->options
.sniffer
) {
3385 rc
= qeth_l3_start_ipassists(card
);
3387 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
3388 rc
= qeth_l3_setrouting_v4(card
);
3390 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
3391 rc
= qeth_l3_setrouting_v6(card
);
3393 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
3395 netif_tx_disable(card
->dev
);
3397 rc
= qeth_init_qdio_queues(card
);
3399 QETH_DBF_TEXT_(SETUP
, 2, "6err%d", rc
);
3403 card
->state
= CARD_STATE_SOFTSETUP
;
3405 qeth_set_allowed_threads(card
, 0xffffffff, 0);
3406 qeth_l3_set_ip_addr_list(card
);
3407 if (card
->lan_online
)
3408 netif_carrier_on(card
->dev
);
3410 netif_carrier_off(card
->dev
);
3411 if (recover_flag
== CARD_STATE_RECOVER
) {
3414 __qeth_l3_open(card
->dev
);
3416 dev_open(card
->dev
);
3417 qeth_l3_set_multicast_list(card
->dev
);
3420 /* let user_space know that device is online */
3421 kobject_uevent(&gdev
->dev
.kobj
, KOBJ_CHANGE
);
3422 mutex_unlock(&card
->conf_mutex
);
3423 mutex_unlock(&card
->discipline_mutex
);
3426 qeth_l3_stop_card(card
, 0);
3427 ccw_device_set_offline(CARD_DDEV(card
));
3428 ccw_device_set_offline(CARD_WDEV(card
));
3429 ccw_device_set_offline(CARD_RDEV(card
));
3430 if (recover_flag
== CARD_STATE_RECOVER
)
3431 card
->state
= CARD_STATE_RECOVER
;
3433 card
->state
= CARD_STATE_DOWN
;
3434 mutex_unlock(&card
->conf_mutex
);
3435 mutex_unlock(&card
->discipline_mutex
);
3439 static int qeth_l3_set_online(struct ccwgroup_device
*gdev
)
3441 return __qeth_l3_set_online(gdev
, 0);
3444 static int __qeth_l3_set_offline(struct ccwgroup_device
*cgdev
,
3447 struct qeth_card
*card
= dev_get_drvdata(&cgdev
->dev
);
3448 int rc
= 0, rc2
= 0, rc3
= 0;
3449 enum qeth_card_states recover_flag
;
3451 mutex_lock(&card
->discipline_mutex
);
3452 mutex_lock(&card
->conf_mutex
);
3453 QETH_DBF_TEXT(SETUP
, 3, "setoffl");
3454 QETH_DBF_HEX(SETUP
, 3, &card
, sizeof(void *));
3456 if (card
->dev
&& netif_carrier_ok(card
->dev
))
3457 netif_carrier_off(card
->dev
);
3458 recover_flag
= card
->state
;
3459 if ((!recovery_mode
&& card
->info
.hwtrap
) || card
->info
.hwtrap
== 2) {
3460 qeth_hw_trap(card
, QETH_DIAGS_TRAP_DISARM
);
3461 card
->info
.hwtrap
= 1;
3463 qeth_l3_stop_card(card
, recovery_mode
);
3464 if ((card
->options
.cq
== QETH_CQ_ENABLED
) && card
->dev
) {
3466 call_netdevice_notifiers(NETDEV_REBOOT
, card
->dev
);
3469 rc
= ccw_device_set_offline(CARD_DDEV(card
));
3470 rc2
= ccw_device_set_offline(CARD_WDEV(card
));
3471 rc3
= ccw_device_set_offline(CARD_RDEV(card
));
3473 rc
= (rc2
) ? rc2
: rc3
;
3475 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
3476 if (recover_flag
== CARD_STATE_UP
)
3477 card
->state
= CARD_STATE_RECOVER
;
3478 /* let user_space know that device is offline */
3479 kobject_uevent(&cgdev
->dev
.kobj
, KOBJ_CHANGE
);
3480 mutex_unlock(&card
->conf_mutex
);
3481 mutex_unlock(&card
->discipline_mutex
);
3485 static int qeth_l3_set_offline(struct ccwgroup_device
*cgdev
)
3487 return __qeth_l3_set_offline(cgdev
, 0);
3490 static int qeth_l3_recover(void *ptr
)
3492 struct qeth_card
*card
;
3495 card
= (struct qeth_card
*) ptr
;
3496 QETH_CARD_TEXT(card
, 2, "recover1");
3497 QETH_CARD_HEX(card
, 2, &card
, sizeof(void *));
3498 if (!qeth_do_run_thread(card
, QETH_RECOVER_THREAD
))
3500 QETH_CARD_TEXT(card
, 2, "recover2");
3501 dev_warn(&card
->gdev
->dev
,
3502 "A recovery process has been started for the device\n");
3503 __qeth_l3_set_offline(card
->gdev
, 1);
3504 rc
= __qeth_l3_set_online(card
->gdev
, 1);
3506 dev_info(&card
->gdev
->dev
,
3507 "Device successfully recovered!\n");
3510 dev_close(card
->dev
);
3512 dev_warn(&card
->gdev
->dev
, "The qeth device driver "
3513 "failed to recover an error on the device\n");
3515 qeth_clear_thread_start_bit(card
, QETH_RECOVER_THREAD
);
3516 qeth_clear_thread_running_bit(card
, QETH_RECOVER_THREAD
);
3520 static void qeth_l3_shutdown(struct ccwgroup_device
*gdev
)
3522 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3523 qeth_set_allowed_threads(card
, 0, 1);
3524 if ((gdev
->state
== CCWGROUP_ONLINE
) && card
->info
.hwtrap
)
3525 qeth_hw_trap(card
, QETH_DIAGS_TRAP_DISARM
);
3526 qeth_qdio_clear_card(card
, 0);
3527 qeth_clear_qdio_buffers(card
);
3530 static int qeth_l3_pm_suspend(struct ccwgroup_device
*gdev
)
3532 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3535 netif_device_detach(card
->dev
);
3536 qeth_set_allowed_threads(card
, 0, 1);
3537 wait_event(card
->wait_q
, qeth_threads_running(card
, 0xffffffff) == 0);
3538 if (gdev
->state
== CCWGROUP_OFFLINE
)
3540 if (card
->state
== CARD_STATE_UP
) {
3541 if (card
->info
.hwtrap
)
3542 qeth_hw_trap(card
, QETH_DIAGS_TRAP_DISARM
);
3543 __qeth_l3_set_offline(card
->gdev
, 1);
3545 __qeth_l3_set_offline(card
->gdev
, 0);
3549 static int qeth_l3_pm_resume(struct ccwgroup_device
*gdev
)
3551 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
3554 if (gdev
->state
== CCWGROUP_OFFLINE
)
3557 if (card
->state
== CARD_STATE_RECOVER
) {
3558 rc
= __qeth_l3_set_online(card
->gdev
, 1);
3561 dev_close(card
->dev
);
3565 rc
= __qeth_l3_set_online(card
->gdev
, 0);
3567 qeth_set_allowed_threads(card
, 0xffffffff, 0);
3569 netif_device_attach(card
->dev
);
3571 dev_warn(&card
->gdev
->dev
, "The qeth device driver "
3572 "failed to recover an error on the device\n");
3576 struct qeth_discipline qeth_l3_discipline
= {
3577 .start_poll
= qeth_qdio_start_poll
,
3578 .input_handler
= (qdio_handler_t
*) qeth_qdio_input_handler
,
3579 .output_handler
= (qdio_handler_t
*) qeth_qdio_output_handler
,
3580 .recover
= qeth_l3_recover
,
3581 .setup
= qeth_l3_probe_device
,
3582 .remove
= qeth_l3_remove_device
,
3583 .set_online
= qeth_l3_set_online
,
3584 .set_offline
= qeth_l3_set_offline
,
3585 .shutdown
= qeth_l3_shutdown
,
3586 .freeze
= qeth_l3_pm_suspend
,
3587 .thaw
= qeth_l3_pm_resume
,
3588 .restore
= qeth_l3_pm_resume
,
3590 EXPORT_SYMBOL_GPL(qeth_l3_discipline
);
3592 static int qeth_l3_ip_event(struct notifier_block
*this,
3593 unsigned long event
, void *ptr
)
3595 struct in_ifaddr
*ifa
= (struct in_ifaddr
*)ptr
;
3596 struct net_device
*dev
= (struct net_device
*)ifa
->ifa_dev
->dev
;
3597 struct qeth_ipaddr
*addr
;
3598 struct qeth_card
*card
;
3600 if (dev_net(dev
) != &init_net
)
3603 card
= qeth_l3_get_card_from_dev(dev
);
3606 QETH_CARD_TEXT(card
, 3, "ipevent");
3608 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV4
);
3610 addr
->u
.a4
.addr
= ifa
->ifa_address
;
3611 addr
->u
.a4
.mask
= ifa
->ifa_mask
;
3612 addr
->type
= QETH_IP_TYPE_NORMAL
;
3618 if (!qeth_l3_add_ip(card
, addr
))
3622 if (!qeth_l3_delete_ip(card
, addr
))
3628 qeth_l3_set_ip_addr_list(card
);
3633 static struct notifier_block qeth_l3_ip_notifier
= {
3638 #ifdef CONFIG_QETH_IPV6
3640 * IPv6 event handler
3642 static int qeth_l3_ip6_event(struct notifier_block
*this,
3643 unsigned long event
, void *ptr
)
3645 struct inet6_ifaddr
*ifa
= (struct inet6_ifaddr
*)ptr
;
3646 struct net_device
*dev
= (struct net_device
*)ifa
->idev
->dev
;
3647 struct qeth_ipaddr
*addr
;
3648 struct qeth_card
*card
;
3650 card
= qeth_l3_get_card_from_dev(dev
);
3653 QETH_CARD_TEXT(card
, 3, "ip6event");
3654 if (!qeth_is_supported(card
, IPA_IPV6
))
3657 addr
= qeth_l3_get_addr_buffer(QETH_PROT_IPV6
);
3659 memcpy(&addr
->u
.a6
.addr
, &ifa
->addr
, sizeof(struct in6_addr
));
3660 addr
->u
.a6
.pfxlen
= ifa
->prefix_len
;
3661 addr
->type
= QETH_IP_TYPE_NORMAL
;
3667 if (!qeth_l3_add_ip(card
, addr
))
3671 if (!qeth_l3_delete_ip(card
, addr
))
3677 qeth_l3_set_ip_addr_list(card
);
3682 static struct notifier_block qeth_l3_ip6_notifier
= {
3688 static int qeth_l3_register_notifiers(void)
3692 QETH_DBF_TEXT(SETUP
, 5, "regnotif");
3693 rc
= register_inetaddr_notifier(&qeth_l3_ip_notifier
);
3696 #ifdef CONFIG_QETH_IPV6
3697 rc
= register_inet6addr_notifier(&qeth_l3_ip6_notifier
);
3699 unregister_inetaddr_notifier(&qeth_l3_ip_notifier
);
3703 pr_warning("There is no IPv6 support for the layer 3 discipline\n");
3708 static void qeth_l3_unregister_notifiers(void)
3711 QETH_DBF_TEXT(SETUP
, 5, "unregnot");
3712 BUG_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier
));
3713 #ifdef CONFIG_QETH_IPV6
3714 BUG_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier
));
3715 #endif /* QETH_IPV6 */
3718 static int __init
qeth_l3_init(void)
3722 pr_info("register layer 3 discipline\n");
3723 rc
= qeth_l3_register_notifiers();
3727 static void __exit
qeth_l3_exit(void)
3729 qeth_l3_unregister_notifiers();
3730 pr_info("unregister layer 3 discipline\n");
3733 module_init(qeth_l3_init
);
3734 module_exit(qeth_l3_exit
);
3735 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
3736 MODULE_DESCRIPTION("qeth layer 3 discipline");
3737 MODULE_LICENSE("GPL");