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10#define KMSG_COMPONENT "qeth"
11#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15#include <linux/string.h>
16#include <linux/errno.h>
17#include <linux/kernel.h>
18#include <linux/slab.h>
19#include <linux/etherdevice.h>
20#include <linux/list.h>
21#include <linux/hash.h>
22#include <linux/hashtable.h>
23#include <asm/chsc.h>
24#include <asm/setup.h>
25#include "qeth_core.h"
26#include "qeth_l2.h"
27
28static void qeth_bridgeport_query_support(struct qeth_card *card);
29static void qeth_bridge_state_change(struct qeth_card *card,
30 struct qeth_ipa_cmd *cmd);
31static void qeth_addr_change_event(struct qeth_card *card,
32 struct qeth_ipa_cmd *cmd);
33static void qeth_l2_vnicc_set_defaults(struct qeth_card *card);
34static void qeth_l2_vnicc_init(struct qeth_card *card);
35static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc,
36 u32 *timeout);
37
38static int qeth_l2_setdelmac_makerc(struct qeth_card *card, u16 retcode)
39{
40 int rc;
41
42 if (retcode)
43 QETH_CARD_TEXT_(card, 2, "err%04x", retcode);
44 switch (retcode) {
45 case IPA_RC_SUCCESS:
46 rc = 0;
47 break;
48 case IPA_RC_L2_UNSUPPORTED_CMD:
49 rc = -EOPNOTSUPP;
50 break;
51 case IPA_RC_L2_ADDR_TABLE_FULL:
52 rc = -ENOSPC;
53 break;
54 case IPA_RC_L2_DUP_MAC:
55 case IPA_RC_L2_DUP_LAYER3_MAC:
56 rc = -EADDRINUSE;
57 break;
58 case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP:
59 case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP:
60 rc = -EADDRNOTAVAIL;
61 break;
62 case IPA_RC_L2_MAC_NOT_FOUND:
63 rc = -ENOENT;
64 break;
65 default:
66 rc = -EIO;
67 break;
68 }
69 return rc;
70}
71
72static int qeth_l2_send_setdelmac_cb(struct qeth_card *card,
73 struct qeth_reply *reply,
74 unsigned long data)
75{
76 struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
77
78 return qeth_l2_setdelmac_makerc(card, cmd->hdr.return_code);
79}
80
81static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac,
82 enum qeth_ipa_cmds ipacmd)
83{
84 struct qeth_ipa_cmd *cmd;
85 struct qeth_cmd_buffer *iob;
86
87 QETH_CARD_TEXT(card, 2, "L2sdmac");
88 iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4,
89 IPA_DATA_SIZEOF(setdelmac));
90 if (!iob)
91 return -ENOMEM;
92 cmd = __ipa_cmd(iob);
93 cmd->data.setdelmac.mac_length = ETH_ALEN;
94 ether_addr_copy(cmd->data.setdelmac.mac, mac);
95 return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelmac_cb, NULL);
96}
97
98static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac)
99{
100 int rc;
101
102 QETH_CARD_TEXT(card, 2, "L2Setmac");
103 rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC);
104 if (rc == 0) {
105 dev_info(&card->gdev->dev,
106 "MAC address %pM successfully registered\n", mac);
107 } else {
108 switch (rc) {
109 case -EADDRINUSE:
110 dev_warn(&card->gdev->dev,
111 "MAC address %pM already exists\n", mac);
112 break;
113 case -EADDRNOTAVAIL:
114 dev_warn(&card->gdev->dev,
115 "MAC address %pM is not authorized\n", mac);
116 break;
117 }
118 }
119 return rc;
120}
121
122static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac)
123{
124 enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ?
125 IPA_CMD_SETGMAC : IPA_CMD_SETVMAC;
126 int rc;
127
128 QETH_CARD_TEXT(card, 2, "L2Wmac");
129 rc = qeth_l2_send_setdelmac(card, mac, cmd);
130 if (rc == -EADDRINUSE)
131 QETH_DBF_MESSAGE(2, "MAC already registered on device %x\n",
132 CARD_DEVID(card));
133 else if (rc)
134 QETH_DBF_MESSAGE(2, "Failed to register MAC on device %x: %d\n",
135 CARD_DEVID(card), rc);
136 return rc;
137}
138
139static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac)
140{
141 enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ?
142 IPA_CMD_DELGMAC : IPA_CMD_DELVMAC;
143 int rc;
144
145 QETH_CARD_TEXT(card, 2, "L2Rmac");
146 rc = qeth_l2_send_setdelmac(card, mac, cmd);
147 if (rc)
148 QETH_DBF_MESSAGE(2, "Failed to delete MAC on device %u: %d\n",
149 CARD_DEVID(card), rc);
150 return rc;
151}
152
153static void qeth_l2_drain_rx_mode_cache(struct qeth_card *card)
154{
155 struct qeth_mac *mac;
156 struct hlist_node *tmp;
157 int i;
158
159 hash_for_each_safe(card->rx_mode_addrs, i, tmp, mac, hnode) {
160 hash_del(&mac->hnode);
161 kfree(mac);
162 }
163}
164
165static void qeth_l2_fill_header(struct qeth_qdio_out_q *queue,
166 struct qeth_hdr *hdr, struct sk_buff *skb,
167 int ipv, unsigned int data_len)
168{
169 int cast_type = qeth_get_ether_cast_type(skb);
170 struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
171
172 hdr->hdr.l2.pkt_length = data_len;
173
174 if (skb_is_gso(skb)) {
175 hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO;
176 } else {
177 hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
178 if (skb->ip_summed == CHECKSUM_PARTIAL)
179 qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], ipv);
180 }
181
182
183 if (cast_type == RTN_MULTICAST)
184 hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST;
185 else if (cast_type == RTN_BROADCAST)
186 hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST;
187 else
188 hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST;
189
190
191
192
193 if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) {
194 hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN;
195 hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI);
196 }
197}
198
199static int qeth_l2_setdelvlan_makerc(struct qeth_card *card, u16 retcode)
200{
201 if (retcode)
202 QETH_CARD_TEXT_(card, 2, "err%04x", retcode);
203
204 switch (retcode) {
205 case IPA_RC_SUCCESS:
206 return 0;
207 case IPA_RC_L2_INVALID_VLAN_ID:
208 return -EINVAL;
209 case IPA_RC_L2_DUP_VLAN_ID:
210 return -EEXIST;
211 case IPA_RC_L2_VLAN_ID_NOT_FOUND:
212 return -ENOENT;
213 case IPA_RC_L2_VLAN_ID_NOT_ALLOWED:
214 return -EPERM;
215 default:
216 return -EIO;
217 }
218}
219
220static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card,
221 struct qeth_reply *reply,
222 unsigned long data)
223{
224 struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
225
226 QETH_CARD_TEXT(card, 2, "L2sdvcb");
227 if (cmd->hdr.return_code) {
228 QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n",
229 cmd->data.setdelvlan.vlan_id,
230 CARD_DEVID(card), cmd->hdr.return_code);
231 QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command);
232 }
233 return qeth_l2_setdelvlan_makerc(card, cmd->hdr.return_code);
234}
235
236static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i,
237 enum qeth_ipa_cmds ipacmd)
238{
239 struct qeth_ipa_cmd *cmd;
240 struct qeth_cmd_buffer *iob;
241
242 QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd);
243 iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4,
244 IPA_DATA_SIZEOF(setdelvlan));
245 if (!iob)
246 return -ENOMEM;
247 cmd = __ipa_cmd(iob);
248 cmd->data.setdelvlan.vlan_id = i;
249 return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelvlan_cb, NULL);
250}
251
252static int qeth_l2_vlan_rx_add_vid(struct net_device *dev,
253 __be16 proto, u16 vid)
254{
255 struct qeth_card *card = dev->ml_priv;
256
257 QETH_CARD_TEXT_(card, 4, "aid:%d", vid);
258 if (!vid)
259 return 0;
260
261 return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
262}
263
264static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev,
265 __be16 proto, u16 vid)
266{
267 struct qeth_card *card = dev->ml_priv;
268
269 QETH_CARD_TEXT_(card, 4, "kid:%d", vid);
270 if (!vid)
271 return 0;
272
273 return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
274}
275
276static void qeth_l2_stop_card(struct qeth_card *card)
277{
278 QETH_CARD_TEXT(card, 2, "stopcard");
279
280 qeth_set_allowed_threads(card, 0, 1);
281
282 cancel_work_sync(&card->rx_mode_work);
283 qeth_l2_drain_rx_mode_cache(card);
284
285 if (card->state == CARD_STATE_SOFTSETUP) {
286 qeth_clear_ipacmd_list(card);
287 card->state = CARD_STATE_DOWN;
288 }
289
290 qeth_qdio_clear_card(card, 0);
291 qeth_drain_output_queues(card);
292 qeth_clear_working_pool_list(card);
293 flush_workqueue(card->event_wq);
294 qeth_flush_local_addrs(card);
295 card->info.promisc_mode = 0;
296}
297
298static int qeth_l2_request_initial_mac(struct qeth_card *card)
299{
300 int rc = 0;
301
302 QETH_CARD_TEXT(card, 2, "l2reqmac");
303
304 if (MACHINE_IS_VM) {
305 rc = qeth_vm_request_mac(card);
306 if (!rc)
307 goto out;
308 QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n",
309 CARD_DEVID(card), rc);
310 QETH_CARD_TEXT_(card, 2, "err%04x", rc);
311
312 }
313
314 if (!IS_OSN(card)) {
315 rc = qeth_setadpparms_change_macaddr(card);
316 if (!rc)
317 goto out;
318 QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n",
319 CARD_DEVID(card), rc);
320 QETH_CARD_TEXT_(card, 2, "1err%04x", rc);
321
322 }
323
324
325 if (IS_OSM(card) || IS_OSX(card))
326 return (rc) ? rc : -EADDRNOTAVAIL;
327 eth_hw_addr_random(card->dev);
328
329out:
330 QETH_CARD_HEX(card, 2, card->dev->dev_addr, card->dev->addr_len);
331 return 0;
332}
333
334static void qeth_l2_register_dev_addr(struct qeth_card *card)
335{
336 if (!is_valid_ether_addr(card->dev->dev_addr))
337 qeth_l2_request_initial_mac(card);
338
339 if (!IS_OSN(card) && !qeth_l2_send_setmac(card, card->dev->dev_addr))
340 card->info.dev_addr_is_registered = 1;
341 else
342 card->info.dev_addr_is_registered = 0;
343}
344
345static int qeth_l2_validate_addr(struct net_device *dev)
346{
347 struct qeth_card *card = dev->ml_priv;
348
349 if (card->info.dev_addr_is_registered)
350 return eth_validate_addr(dev);
351
352 QETH_CARD_TEXT(card, 4, "nomacadr");
353 return -EPERM;
354}
355
356static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
357{
358 struct sockaddr *addr = p;
359 struct qeth_card *card = dev->ml_priv;
360 u8 old_addr[ETH_ALEN];
361 int rc = 0;
362
363 QETH_CARD_TEXT(card, 3, "setmac");
364
365 if (IS_OSM(card) || IS_OSX(card)) {
366 QETH_CARD_TEXT(card, 3, "setmcTYP");
367 return -EOPNOTSUPP;
368 }
369 QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN);
370 if (!is_valid_ether_addr(addr->sa_data))
371 return -EADDRNOTAVAIL;
372
373
374 if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) &&
375 card->info.dev_addr_is_registered)
376 return 0;
377
378
379 rc = qeth_l2_send_setmac(card, addr->sa_data);
380 if (rc)
381 return rc;
382 ether_addr_copy(old_addr, dev->dev_addr);
383 ether_addr_copy(dev->dev_addr, addr->sa_data);
384
385 if (card->info.dev_addr_is_registered)
386 qeth_l2_remove_mac(card, old_addr);
387 card->info.dev_addr_is_registered = 1;
388 return 0;
389}
390
391static void qeth_l2_promisc_to_bridge(struct qeth_card *card, bool enable)
392{
393 int role;
394 int rc;
395
396 QETH_CARD_TEXT(card, 3, "pmisc2br");
397
398 if (enable) {
399 if (card->options.sbp.reflect_promisc_primary)
400 role = QETH_SBP_ROLE_PRIMARY;
401 else
402 role = QETH_SBP_ROLE_SECONDARY;
403 } else
404 role = QETH_SBP_ROLE_NONE;
405
406 rc = qeth_bridgeport_setrole(card, role);
407 QETH_CARD_TEXT_(card, 2, "bpm%c%04x", enable ? '+' : '-', rc);
408 if (!rc) {
409 card->options.sbp.role = role;
410 card->info.promisc_mode = enable;
411 }
412}
413
414static void qeth_l2_set_promisc_mode(struct qeth_card *card)
415{
416 bool enable = card->dev->flags & IFF_PROMISC;
417
418 if (card->info.promisc_mode == enable)
419 return;
420
421 if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) {
422 qeth_setadp_promisc_mode(card, enable);
423 } else {
424 mutex_lock(&card->sbp_lock);
425 if (card->options.sbp.reflect_promisc)
426 qeth_l2_promisc_to_bridge(card, enable);
427 mutex_unlock(&card->sbp_lock);
428 }
429}
430
431
432
433
434
435static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha)
436{
437 u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2]));
438 struct qeth_mac *mac;
439
440 hash_for_each_possible(card->rx_mode_addrs, mac, hnode, mac_hash) {
441 if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) {
442 mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
443 return;
444 }
445 }
446
447 mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC);
448 if (!mac)
449 return;
450
451 ether_addr_copy(mac->mac_addr, ha->addr);
452 mac->disp_flag = QETH_DISP_ADDR_ADD;
453
454 hash_add(card->rx_mode_addrs, &mac->hnode, mac_hash);
455}
456
457static void qeth_l2_rx_mode_work(struct work_struct *work)
458{
459 struct qeth_card *card = container_of(work, struct qeth_card,
460 rx_mode_work);
461 struct net_device *dev = card->dev;
462 struct netdev_hw_addr *ha;
463 struct qeth_mac *mac;
464 struct hlist_node *tmp;
465 int i;
466 int rc;
467
468 QETH_CARD_TEXT(card, 3, "setmulti");
469
470 netif_addr_lock_bh(dev);
471 netdev_for_each_mc_addr(ha, dev)
472 qeth_l2_add_mac(card, ha);
473 netdev_for_each_uc_addr(ha, dev)
474 qeth_l2_add_mac(card, ha);
475 netif_addr_unlock_bh(dev);
476
477 hash_for_each_safe(card->rx_mode_addrs, i, tmp, mac, hnode) {
478 switch (mac->disp_flag) {
479 case QETH_DISP_ADDR_DELETE:
480 qeth_l2_remove_mac(card, mac->mac_addr);
481 hash_del(&mac->hnode);
482 kfree(mac);
483 break;
484 case QETH_DISP_ADDR_ADD:
485 rc = qeth_l2_write_mac(card, mac->mac_addr);
486 if (rc) {
487 hash_del(&mac->hnode);
488 kfree(mac);
489 break;
490 }
491 fallthrough;
492 default:
493
494 mac->disp_flag = QETH_DISP_ADDR_DELETE;
495 }
496 }
497
498 qeth_l2_set_promisc_mode(card);
499}
500
501static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb,
502 struct qeth_qdio_out_q *queue)
503{
504 gfp_t gfp = GFP_ATOMIC | (skb_pfmemalloc(skb) ? __GFP_MEMALLOC : 0);
505 struct qeth_hdr *hdr = (struct qeth_hdr *)skb->data;
506 addr_t end = (addr_t)(skb->data + sizeof(*hdr));
507 addr_t start = (addr_t)skb->data;
508 unsigned int elements = 0;
509 unsigned int hd_len = 0;
510 int rc;
511
512 if (skb->protocol == htons(ETH_P_IPV6))
513 return -EPROTONOSUPPORT;
514
515 if (qeth_get_elements_for_range(start, end) > 1) {
516
517 hdr = kmem_cache_alloc(qeth_core_header_cache, gfp);
518 if (!hdr)
519 return -ENOMEM;
520 hd_len = sizeof(*hdr);
521 skb_copy_from_linear_data(skb, (char *)hdr, hd_len);
522 elements++;
523 }
524
525 elements += qeth_count_elements(skb, hd_len);
526 if (elements > queue->max_elements) {
527 rc = -E2BIG;
528 goto out;
529 }
530
531 rc = qeth_do_send_packet(card, queue, skb, hdr, hd_len, hd_len,
532 elements);
533out:
534 if (rc && hd_len)
535 kmem_cache_free(qeth_core_header_cache, hdr);
536 return rc;
537}
538
539static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb,
540 struct net_device *dev)
541{
542 struct qeth_card *card = dev->ml_priv;
543 u16 txq = skb_get_queue_mapping(skb);
544 struct qeth_qdio_out_q *queue;
545 int rc;
546
547 if (!skb_is_gso(skb))
548 qdisc_skb_cb(skb)->pkt_len = skb->len;
549 if (IS_IQD(card))
550 txq = qeth_iqd_translate_txq(dev, txq);
551 queue = card->qdio.out_qs[txq];
552
553 if (IS_OSN(card))
554 rc = qeth_l2_xmit_osn(card, skb, queue);
555 else
556 rc = qeth_xmit(card, skb, queue, qeth_get_ip_version(skb),
557 qeth_l2_fill_header);
558
559 if (!rc)
560 return NETDEV_TX_OK;
561
562 QETH_TXQ_STAT_INC(queue, tx_dropped);
563 kfree_skb(skb);
564 return NETDEV_TX_OK;
565}
566
567static u16 qeth_l2_select_queue(struct net_device *dev, struct sk_buff *skb,
568 struct net_device *sb_dev)
569{
570 struct qeth_card *card = dev->ml_priv;
571
572 if (IS_IQD(card))
573 return qeth_iqd_select_queue(dev, skb,
574 qeth_get_ether_cast_type(skb),
575 sb_dev);
576
577 return IS_VM_NIC(card) ? netdev_pick_tx(dev, skb, sb_dev) :
578 qeth_get_priority_queue(card, skb);
579}
580
581static const struct device_type qeth_l2_devtype = {
582 .name = "qeth_layer2",
583 .groups = qeth_l2_attr_groups,
584};
585
586static int qeth_l2_probe_device(struct ccwgroup_device *gdev)
587{
588 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
589 int rc;
590
591 if (IS_OSN(card))
592 dev_notice(&gdev->dev, "OSN support will be dropped in 2021\n");
593
594 qeth_l2_vnicc_set_defaults(card);
595 mutex_init(&card->sbp_lock);
596
597 if (gdev->dev.type == &qeth_generic_devtype) {
598 rc = qeth_l2_create_device_attributes(&gdev->dev);
599 if (rc)
600 return rc;
601 }
602
603 INIT_WORK(&card->rx_mode_work, qeth_l2_rx_mode_work);
604 return 0;
605}
606
607static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
608{
609 struct qeth_card *card = dev_get_drvdata(&cgdev->dev);
610
611 if (cgdev->dev.type == &qeth_generic_devtype)
612 qeth_l2_remove_device_attributes(&cgdev->dev);
613 qeth_set_allowed_threads(card, 0, 1);
614 wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
615
616 if (cgdev->state == CCWGROUP_ONLINE)
617 qeth_set_offline(card, false);
618
619 cancel_work_sync(&card->close_dev_work);
620 if (card->dev->reg_state == NETREG_REGISTERED)
621 unregister_netdev(card->dev);
622}
623
624static void qeth_l2_set_rx_mode(struct net_device *dev)
625{
626 struct qeth_card *card = dev->ml_priv;
627
628 schedule_work(&card->rx_mode_work);
629}
630
631
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641
642
643
644static int qeth_l2_pnso(struct qeth_card *card, int cnc,
645 void (*cb)(void *priv, struct chsc_pnso_naid_l2 *entry),
646 void *priv)
647{
648 struct ccw_device *ddev = CARD_DDEV(card);
649 struct chsc_pnso_area *rr;
650 u32 prev_instance = 0;
651 int isfirstblock = 1;
652 int i, size, elems;
653 int rc;
654
655 QETH_CARD_TEXT(card, 2, "PNSO");
656 rr = (struct chsc_pnso_area *)get_zeroed_page(GFP_KERNEL);
657 if (rr == NULL)
658 return -ENOMEM;
659 do {
660
661 rc = ccw_device_pnso(ddev, rr, rr->naihdr.resume_token, cnc);
662 if (rc)
663 continue;
664 if (cb == NULL)
665 continue;
666
667 size = rr->naihdr.naids;
668 if (size != sizeof(struct chsc_pnso_naid_l2)) {
669 WARN_ON_ONCE(1);
670 continue;
671 }
672
673 elems = (rr->response.length - sizeof(struct chsc_header) -
674 sizeof(struct chsc_pnso_naihdr)) / size;
675
676 if (!isfirstblock && (rr->naihdr.instance != prev_instance)) {
677
678
679 rc = -EAGAIN;
680 break;
681 }
682 isfirstblock = 0;
683 prev_instance = rr->naihdr.instance;
684 for (i = 0; i < elems; i++)
685 (*cb)(priv, &rr->entries[i]);
686 } while ((rc == -EBUSY) || (!rc &&
687
688 (rr->naihdr.resume_token.t1 || rr->naihdr.resume_token.t2)));
689
690 if (rc)
691 QETH_CARD_TEXT_(card, 2, "PNrp%04x", rr->response.code);
692
693 free_page((unsigned long)rr);
694 return rc;
695}
696
697static const struct net_device_ops qeth_l2_netdev_ops = {
698 .ndo_open = qeth_open,
699 .ndo_stop = qeth_stop,
700 .ndo_get_stats64 = qeth_get_stats64,
701 .ndo_start_xmit = qeth_l2_hard_start_xmit,
702 .ndo_features_check = qeth_features_check,
703 .ndo_select_queue = qeth_l2_select_queue,
704 .ndo_validate_addr = qeth_l2_validate_addr,
705 .ndo_set_rx_mode = qeth_l2_set_rx_mode,
706 .ndo_do_ioctl = qeth_do_ioctl,
707 .ndo_set_mac_address = qeth_l2_set_mac_address,
708 .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid,
709 .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid,
710 .ndo_tx_timeout = qeth_tx_timeout,
711 .ndo_fix_features = qeth_fix_features,
712 .ndo_set_features = qeth_set_features
713};
714
715static const struct net_device_ops qeth_osn_netdev_ops = {
716 .ndo_open = qeth_open,
717 .ndo_stop = qeth_stop,
718 .ndo_get_stats64 = qeth_get_stats64,
719 .ndo_start_xmit = qeth_l2_hard_start_xmit,
720 .ndo_validate_addr = eth_validate_addr,
721 .ndo_tx_timeout = qeth_tx_timeout,
722};
723
724static int qeth_l2_setup_netdev(struct qeth_card *card)
725{
726 int rc;
727
728 if (IS_OSN(card)) {
729 card->dev->netdev_ops = &qeth_osn_netdev_ops;
730 card->dev->flags |= IFF_NOARP;
731 goto add_napi;
732 }
733
734 rc = qeth_setup_netdev(card);
735 if (rc)
736 return rc;
737
738 card->dev->needed_headroom = sizeof(struct qeth_hdr);
739 card->dev->netdev_ops = &qeth_l2_netdev_ops;
740 card->dev->priv_flags |= IFF_UNICAST_FLT;
741
742 if (IS_OSM(card)) {
743 card->dev->features |= NETIF_F_VLAN_CHALLENGED;
744 } else {
745 if (!IS_VM_NIC(card))
746 card->dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
747 card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
748 }
749
750 if (IS_OSD(card) && !IS_VM_NIC(card)) {
751 card->dev->features |= NETIF_F_SG;
752
753 if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) {
754 card->dev->hw_features |= NETIF_F_IP_CSUM;
755 card->dev->vlan_features |= NETIF_F_IP_CSUM;
756 }
757 }
758 if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) {
759 card->dev->hw_features |= NETIF_F_IPV6_CSUM;
760 card->dev->vlan_features |= NETIF_F_IPV6_CSUM;
761 }
762 if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) ||
763 qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) {
764 card->dev->hw_features |= NETIF_F_RXCSUM;
765 card->dev->vlan_features |= NETIF_F_RXCSUM;
766 }
767 if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
768 card->dev->hw_features |= NETIF_F_TSO;
769 card->dev->vlan_features |= NETIF_F_TSO;
770 }
771 if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) {
772 card->dev->hw_features |= NETIF_F_TSO6;
773 card->dev->vlan_features |= NETIF_F_TSO6;
774 }
775
776 if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) {
777 card->dev->needed_headroom = sizeof(struct qeth_hdr_tso);
778 netif_keep_dst(card->dev);
779 netif_set_gso_max_size(card->dev,
780 PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1));
781 }
782
783add_napi:
784 netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT);
785 return register_netdev(card->dev);
786}
787
788static void qeth_l2_trace_features(struct qeth_card *card)
789{
790
791 QETH_CARD_TEXT(card, 2, "featuSBP");
792 QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs,
793 sizeof(card->options.sbp.supported_funcs));
794
795 QETH_CARD_TEXT(card, 2, "feaVNICC");
796 QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars,
797 sizeof(card->options.vnicc.sup_chars));
798}
799
800static void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card)
801{
802 if (!card->options.sbp.reflect_promisc &&
803 card->options.sbp.role != QETH_SBP_ROLE_NONE) {
804
805 qeth_bridgeport_setrole(card, card->options.sbp.role);
806
807 qeth_bridgeport_query_ports(card, &card->options.sbp.role,
808 NULL);
809 }
810 if (card->options.sbp.hostnotification) {
811 if (qeth_bridgeport_an_set(card, 1))
812 card->options.sbp.hostnotification = 0;
813 } else {
814 qeth_bridgeport_an_set(card, 0);
815 }
816}
817
818static int qeth_l2_set_online(struct qeth_card *card)
819{
820 struct ccwgroup_device *gdev = card->gdev;
821 struct net_device *dev = card->dev;
822 int rc = 0;
823 bool carrier_ok;
824
825 rc = qeth_core_hardsetup_card(card, &carrier_ok);
826 if (rc) {
827 QETH_CARD_TEXT_(card, 2, "2err%04x", rc);
828 rc = -ENODEV;
829 goto out_remove;
830 }
831
832 mutex_lock(&card->sbp_lock);
833 qeth_bridgeport_query_support(card);
834 if (card->options.sbp.supported_funcs) {
835 qeth_l2_setup_bridgeport_attrs(card);
836 dev_info(&card->gdev->dev,
837 "The device represents a Bridge Capable Port\n");
838 }
839 mutex_unlock(&card->sbp_lock);
840
841 qeth_l2_register_dev_addr(card);
842
843
844 qeth_l2_vnicc_init(card);
845
846 qeth_trace_features(card);
847 qeth_l2_trace_features(card);
848
849 qeth_print_status_message(card);
850
851
852 QETH_CARD_TEXT(card, 2, "softsetp");
853
854 card->state = CARD_STATE_SOFTSETUP;
855
856 qeth_set_allowed_threads(card, 0xffffffff, 0);
857
858 if (dev->reg_state != NETREG_REGISTERED) {
859 rc = qeth_l2_setup_netdev(card);
860 if (rc)
861 goto out_remove;
862
863 if (carrier_ok)
864 netif_carrier_on(dev);
865 } else {
866 rtnl_lock();
867 if (carrier_ok)
868 netif_carrier_on(dev);
869 else
870 netif_carrier_off(dev);
871
872 netif_device_attach(dev);
873 qeth_enable_hw_features(dev);
874
875 if (card->info.open_when_online) {
876 card->info.open_when_online = 0;
877 dev_open(dev, NULL);
878 }
879 rtnl_unlock();
880 }
881
882 kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
883 return 0;
884
885out_remove:
886 qeth_l2_stop_card(card);
887 qeth_stop_channel(&card->data);
888 qeth_stop_channel(&card->write);
889 qeth_stop_channel(&card->read);
890 qdio_free(CARD_DDEV(card));
891 return rc;
892}
893
894static void qeth_l2_set_offline(struct qeth_card *card)
895{
896 qeth_l2_stop_card(card);
897}
898
899static int __init qeth_l2_init(void)
900{
901 pr_info("register layer 2 discipline\n");
902 return 0;
903}
904
905static void __exit qeth_l2_exit(void)
906{
907 pr_info("unregister layer 2 discipline\n");
908}
909
910
911static int qeth_l2_control_event(struct qeth_card *card,
912 struct qeth_ipa_cmd *cmd)
913{
914 switch (cmd->hdr.command) {
915 case IPA_CMD_SETBRIDGEPORT_OSA:
916 case IPA_CMD_SETBRIDGEPORT_IQD:
917 if (cmd->data.sbp.hdr.command_code ==
918 IPA_SBP_BRIDGE_PORT_STATE_CHANGE) {
919 qeth_bridge_state_change(card, cmd);
920 return 0;
921 } else
922 return 1;
923 case IPA_CMD_ADDRESS_CHANGE_NOTIF:
924 qeth_addr_change_event(card, cmd);
925 return 0;
926 default:
927 return 1;
928 }
929}
930
931struct qeth_discipline qeth_l2_discipline = {
932 .devtype = &qeth_l2_devtype,
933 .setup = qeth_l2_probe_device,
934 .remove = qeth_l2_remove_device,
935 .set_online = qeth_l2_set_online,
936 .set_offline = qeth_l2_set_offline,
937 .do_ioctl = NULL,
938 .control_event_handler = qeth_l2_control_event,
939};
940EXPORT_SYMBOL_GPL(qeth_l2_discipline);
941
942#ifdef CONFIG_QETH_OSN
943static void qeth_osn_assist_cb(struct qeth_card *card,
944 struct qeth_cmd_buffer *iob,
945 unsigned int data_length)
946{
947 qeth_notify_cmd(iob, 0);
948 qeth_put_cmd(iob);
949}
950
951int qeth_osn_assist(struct net_device *dev, void *data, int data_len)
952{
953 struct qeth_cmd_buffer *iob;
954 struct qeth_card *card;
955
956 if (data_len < 0)
957 return -EINVAL;
958 if (!dev)
959 return -ENODEV;
960 card = dev->ml_priv;
961 if (!card)
962 return -ENODEV;
963 QETH_CARD_TEXT(card, 2, "osnsdmc");
964 if (!qeth_card_hw_is_reachable(card))
965 return -ENODEV;
966
967 iob = qeth_alloc_cmd(&card->write, IPA_PDU_HEADER_SIZE + data_len, 1,
968 QETH_IPA_TIMEOUT);
969 if (!iob)
970 return -ENOMEM;
971
972 qeth_prepare_ipa_cmd(card, iob, (u16) data_len, NULL);
973
974 memcpy(__ipa_cmd(iob), data, data_len);
975 iob->callback = qeth_osn_assist_cb;
976 return qeth_send_ipa_cmd(card, iob, NULL, NULL);
977}
978EXPORT_SYMBOL(qeth_osn_assist);
979
980int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev,
981 int (*assist_cb)(struct net_device *, void *),
982 int (*data_cb)(struct sk_buff *))
983{
984 struct qeth_card *card;
985 char bus_id[16];
986 u16 devno;
987
988 memcpy(&devno, read_dev_no, 2);
989 sprintf(bus_id, "0.0.%04x", devno);
990 card = qeth_get_card_by_busid(bus_id);
991 if (!card || !IS_OSN(card))
992 return -ENODEV;
993 *dev = card->dev;
994
995 QETH_CARD_TEXT(card, 2, "osnreg");
996 if ((assist_cb == NULL) || (data_cb == NULL))
997 return -EINVAL;
998 card->osn_info.assist_cb = assist_cb;
999 card->osn_info.data_cb = data_cb;
1000 return 0;
1001}
1002EXPORT_SYMBOL(qeth_osn_register);
1003
1004void qeth_osn_deregister(struct net_device *dev)
1005{
1006 struct qeth_card *card;
1007
1008 if (!dev)
1009 return;
1010 card = dev->ml_priv;
1011 if (!card)
1012 return;
1013 QETH_CARD_TEXT(card, 2, "osndereg");
1014 card->osn_info.assist_cb = NULL;
1015 card->osn_info.data_cb = NULL;
1016 return;
1017}
1018EXPORT_SYMBOL(qeth_osn_deregister);
1019#endif
1020
1021
1022
1023enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset};
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040static void qeth_bridge_emit_host_event(struct qeth_card *card,
1041 enum qeth_an_event_type evtype,
1042 u8 code,
1043 struct net_if_token *token,
1044 struct mac_addr_lnid *addr_lnid)
1045{
1046 char str[7][32];
1047 char *env[8];
1048 int i = 0;
1049
1050 switch (evtype) {
1051 case anev_reg_unreg:
1052 snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s",
1053 (code & IPA_ADDR_CHANGE_CODE_REMOVAL)
1054 ? "deregister" : "register");
1055 env[i] = str[i]; i++;
1056 if (code & IPA_ADDR_CHANGE_CODE_VLANID) {
1057 snprintf(str[i], sizeof(str[i]), "VLAN=%d",
1058 addr_lnid->lnid);
1059 env[i] = str[i]; i++;
1060 }
1061 if (code & IPA_ADDR_CHANGE_CODE_MACADDR) {
1062 snprintf(str[i], sizeof(str[i]), "MAC=%pM",
1063 addr_lnid->mac);
1064 env[i] = str[i]; i++;
1065 }
1066 snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x",
1067 token->cssid, token->ssid, token->devnum);
1068 env[i] = str[i]; i++;
1069 snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid);
1070 env[i] = str[i]; i++;
1071 snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x",
1072 token->chpid);
1073 env[i] = str[i]; i++;
1074 snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid);
1075 env[i] = str[i]; i++;
1076 break;
1077 case anev_abort:
1078 snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort");
1079 env[i] = str[i]; i++;
1080 break;
1081 case anev_reset:
1082 snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset");
1083 env[i] = str[i]; i++;
1084 break;
1085 }
1086 env[i] = NULL;
1087 kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env);
1088}
1089
1090struct qeth_bridge_state_data {
1091 struct work_struct worker;
1092 struct qeth_card *card;
1093 struct qeth_sbp_state_change qports;
1094};
1095
1096static void qeth_bridge_state_change_worker(struct work_struct *work)
1097{
1098 struct qeth_bridge_state_data *data =
1099 container_of(work, struct qeth_bridge_state_data, worker);
1100
1101 struct qeth_sbp_port_entry *entry = &data->qports.entry[0];
1102 char env_locrem[32];
1103 char env_role[32];
1104 char env_state[32];
1105 char *env[] = {
1106 env_locrem,
1107 env_role,
1108 env_state,
1109 NULL
1110 };
1111
1112
1113
1114 mutex_lock(&data->card->sbp_lock);
1115 data->card->options.sbp.role = entry->role;
1116 mutex_unlock(&data->card->sbp_lock);
1117
1118 snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange");
1119 snprintf(env_role, sizeof(env_role), "ROLE=%s",
1120 (entry->role == QETH_SBP_ROLE_NONE) ? "none" :
1121 (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" :
1122 (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" :
1123 "<INVALID>");
1124 snprintf(env_state, sizeof(env_state), "STATE=%s",
1125 (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" :
1126 (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" :
1127 (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" :
1128 "<INVALID>");
1129 kobject_uevent_env(&data->card->gdev->dev.kobj,
1130 KOBJ_CHANGE, env);
1131 kfree(data);
1132}
1133
1134static void qeth_bridge_state_change(struct qeth_card *card,
1135 struct qeth_ipa_cmd *cmd)
1136{
1137 struct qeth_sbp_state_change *qports =
1138 &cmd->data.sbp.data.state_change;
1139 struct qeth_bridge_state_data *data;
1140 int extrasize;
1141
1142 QETH_CARD_TEXT(card, 2, "brstchng");
1143 if (qports->num_entries == 0) {
1144 QETH_CARD_TEXT(card, 2, "BPempty");
1145 return;
1146 }
1147 if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
1148 QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length);
1149 return;
1150 }
1151 extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries;
1152 data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize,
1153 GFP_ATOMIC);
1154 if (!data) {
1155 QETH_CARD_TEXT(card, 2, "BPSalloc");
1156 return;
1157 }
1158 INIT_WORK(&data->worker, qeth_bridge_state_change_worker);
1159 data->card = card;
1160 memcpy(&data->qports, qports,
1161 sizeof(struct qeth_sbp_state_change) + extrasize);
1162 queue_work(card->event_wq, &data->worker);
1163}
1164
1165struct qeth_addr_change_data {
1166 struct work_struct worker;
1167 struct qeth_card *card;
1168 struct qeth_ipacmd_addr_change ac_event;
1169};
1170
1171static void qeth_addr_change_event_worker(struct work_struct *work)
1172{
1173 struct qeth_addr_change_data *data =
1174 container_of(work, struct qeth_addr_change_data, worker);
1175 int i;
1176
1177 QETH_CARD_TEXT(data->card, 4, "adrchgew");
1178 if (data->ac_event.lost_event_mask) {
1179 dev_info(&data->card->gdev->dev,
1180 "Address change notification stopped on %s (%s)\n",
1181 data->card->dev->name,
1182 (data->ac_event.lost_event_mask == 0x01)
1183 ? "Overflow"
1184 : (data->ac_event.lost_event_mask == 0x02)
1185 ? "Bridge port state change"
1186 : "Unknown reason");
1187 mutex_lock(&data->card->sbp_lock);
1188 data->card->options.sbp.hostnotification = 0;
1189 mutex_unlock(&data->card->sbp_lock);
1190 qeth_bridge_emit_host_event(data->card, anev_abort,
1191 0, NULL, NULL);
1192 } else
1193 for (i = 0; i < data->ac_event.num_entries; i++) {
1194 struct qeth_ipacmd_addr_change_entry *entry =
1195 &data->ac_event.entry[i];
1196 qeth_bridge_emit_host_event(data->card,
1197 anev_reg_unreg,
1198 entry->change_code,
1199 &entry->token,
1200 &entry->addr_lnid);
1201 }
1202 kfree(data);
1203}
1204
1205static void qeth_addr_change_event(struct qeth_card *card,
1206 struct qeth_ipa_cmd *cmd)
1207{
1208 struct qeth_ipacmd_addr_change *hostevs =
1209 &cmd->data.addrchange;
1210 struct qeth_addr_change_data *data;
1211 int extrasize;
1212
1213 QETH_CARD_TEXT(card, 4, "adrchgev");
1214 if (cmd->hdr.return_code != 0x0000) {
1215 if (cmd->hdr.return_code == 0x0010) {
1216 if (hostevs->lost_event_mask == 0x00)
1217 hostevs->lost_event_mask = 0xff;
1218 } else {
1219 QETH_CARD_TEXT_(card, 2, "ACHN%04x",
1220 cmd->hdr.return_code);
1221 return;
1222 }
1223 }
1224 extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) *
1225 hostevs->num_entries;
1226 data = kzalloc(sizeof(struct qeth_addr_change_data) + extrasize,
1227 GFP_ATOMIC);
1228 if (!data) {
1229 QETH_CARD_TEXT(card, 2, "ACNalloc");
1230 return;
1231 }
1232 INIT_WORK(&data->worker, qeth_addr_change_event_worker);
1233 data->card = card;
1234 memcpy(&data->ac_event, hostevs,
1235 sizeof(struct qeth_ipacmd_addr_change) + extrasize);
1236 queue_work(card->event_wq, &data->worker);
1237}
1238
1239
1240
1241struct _qeth_sbp_cbctl {
1242 union {
1243 u32 supported;
1244 struct {
1245 enum qeth_sbp_roles *role;
1246 enum qeth_sbp_states *state;
1247 } qports;
1248 } data;
1249};
1250
1251static int qeth_bridgeport_makerc(struct qeth_card *card,
1252 struct qeth_ipa_cmd *cmd)
1253{
1254 struct qeth_ipacmd_setbridgeport *sbp = &cmd->data.sbp;
1255 enum qeth_ipa_sbp_cmd setcmd = sbp->hdr.command_code;
1256 u16 ipa_rc = cmd->hdr.return_code;
1257 u16 sbp_rc = sbp->hdr.return_code;
1258 int rc;
1259
1260 if (ipa_rc == IPA_RC_SUCCESS && sbp_rc == IPA_RC_SUCCESS)
1261 return 0;
1262
1263 if ((IS_IQD(card) && ipa_rc == IPA_RC_SUCCESS) ||
1264 (!IS_IQD(card) && ipa_rc == sbp_rc)) {
1265 switch (sbp_rc) {
1266 case IPA_RC_SUCCESS:
1267 rc = 0;
1268 break;
1269 case IPA_RC_L2_UNSUPPORTED_CMD:
1270 case IPA_RC_UNSUPPORTED_COMMAND:
1271 rc = -EOPNOTSUPP;
1272 break;
1273 case IPA_RC_SBP_OSA_NOT_CONFIGURED:
1274 case IPA_RC_SBP_IQD_NOT_CONFIGURED:
1275 rc = -ENODEV;
1276 dev_err(&card->gdev->dev,
1277 "The device is not configured as a Bridge Port\n");
1278 break;
1279 case IPA_RC_SBP_OSA_OS_MISMATCH:
1280 case IPA_RC_SBP_IQD_OS_MISMATCH:
1281 rc = -EPERM;
1282 dev_err(&card->gdev->dev,
1283 "A Bridge Port is already configured by a different operating system\n");
1284 break;
1285 case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY:
1286 case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY:
1287 switch (setcmd) {
1288 case IPA_SBP_SET_PRIMARY_BRIDGE_PORT:
1289 rc = -EEXIST;
1290 dev_err(&card->gdev->dev,
1291 "The LAN already has a primary Bridge Port\n");
1292 break;
1293 case IPA_SBP_SET_SECONDARY_BRIDGE_PORT:
1294 rc = -EBUSY;
1295 dev_err(&card->gdev->dev,
1296 "The device is already a primary Bridge Port\n");
1297 break;
1298 default:
1299 rc = -EIO;
1300 }
1301 break;
1302 case IPA_RC_SBP_OSA_CURRENT_SECOND:
1303 case IPA_RC_SBP_IQD_CURRENT_SECOND:
1304 rc = -EBUSY;
1305 dev_err(&card->gdev->dev,
1306 "The device is already a secondary Bridge Port\n");
1307 break;
1308 case IPA_RC_SBP_OSA_LIMIT_SECOND:
1309 case IPA_RC_SBP_IQD_LIMIT_SECOND:
1310 rc = -EEXIST;
1311 dev_err(&card->gdev->dev,
1312 "The LAN cannot have more secondary Bridge Ports\n");
1313 break;
1314 case IPA_RC_SBP_OSA_CURRENT_PRIMARY:
1315 case IPA_RC_SBP_IQD_CURRENT_PRIMARY:
1316 rc = -EBUSY;
1317 dev_err(&card->gdev->dev,
1318 "The device is already a primary Bridge Port\n");
1319 break;
1320 case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN:
1321 case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN:
1322 rc = -EACCES;
1323 dev_err(&card->gdev->dev,
1324 "The device is not authorized to be a Bridge Port\n");
1325 break;
1326 default:
1327 rc = -EIO;
1328 }
1329 } else {
1330 switch (ipa_rc) {
1331 case IPA_RC_NOTSUPP:
1332 rc = -EOPNOTSUPP;
1333 break;
1334 case IPA_RC_UNSUPPORTED_COMMAND:
1335 rc = -EOPNOTSUPP;
1336 break;
1337 default:
1338 rc = -EIO;
1339 }
1340 }
1341
1342 if (rc) {
1343 QETH_CARD_TEXT_(card, 2, "SBPi%04x", ipa_rc);
1344 QETH_CARD_TEXT_(card, 2, "SBPc%04x", sbp_rc);
1345 }
1346 return rc;
1347}
1348
1349static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card,
1350 enum qeth_ipa_sbp_cmd sbp_cmd,
1351 unsigned int data_length)
1352{
1353 enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD :
1354 IPA_CMD_SETBRIDGEPORT_OSA;
1355 struct qeth_ipacmd_sbp_hdr *hdr;
1356 struct qeth_cmd_buffer *iob;
1357
1358 iob = qeth_ipa_alloc_cmd(card, ipa_cmd, QETH_PROT_NONE,
1359 data_length +
1360 offsetof(struct qeth_ipacmd_setbridgeport,
1361 data));
1362 if (!iob)
1363 return iob;
1364
1365 hdr = &__ipa_cmd(iob)->data.sbp.hdr;
1366 hdr->cmdlength = sizeof(*hdr) + data_length;
1367 hdr->command_code = sbp_cmd;
1368 hdr->used_total = 1;
1369 hdr->seq_no = 1;
1370 return iob;
1371}
1372
1373static int qeth_bridgeport_query_support_cb(struct qeth_card *card,
1374 struct qeth_reply *reply, unsigned long data)
1375{
1376 struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
1377 struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
1378 int rc;
1379
1380 QETH_CARD_TEXT(card, 2, "brqsupcb");
1381 rc = qeth_bridgeport_makerc(card, cmd);
1382 if (rc)
1383 return rc;
1384
1385 cbctl->data.supported =
1386 cmd->data.sbp.data.query_cmds_supp.supported_cmds;
1387 return 0;
1388}
1389
1390
1391
1392
1393
1394
1395
1396
1397static void qeth_bridgeport_query_support(struct qeth_card *card)
1398{
1399 struct qeth_cmd_buffer *iob;
1400 struct _qeth_sbp_cbctl cbctl;
1401
1402 QETH_CARD_TEXT(card, 2, "brqsuppo");
1403 iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED,
1404 SBP_DATA_SIZEOF(query_cmds_supp));
1405 if (!iob)
1406 return;
1407
1408 if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb,
1409 &cbctl)) {
1410 card->options.sbp.role = QETH_SBP_ROLE_NONE;
1411 card->options.sbp.supported_funcs = 0;
1412 return;
1413 }
1414 card->options.sbp.supported_funcs = cbctl.data.supported;
1415}
1416
1417static int qeth_bridgeport_query_ports_cb(struct qeth_card *card,
1418 struct qeth_reply *reply, unsigned long data)
1419{
1420 struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
1421 struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports;
1422 struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
1423 int rc;
1424
1425 QETH_CARD_TEXT(card, 2, "brqprtcb");
1426 rc = qeth_bridgeport_makerc(card, cmd);
1427 if (rc)
1428 return rc;
1429
1430 if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
1431 QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length);
1432 return -EINVAL;
1433 }
1434
1435 if (qports->num_entries > 0) {
1436 if (cbctl->data.qports.role)
1437 *cbctl->data.qports.role = qports->entry[0].role;
1438 if (cbctl->data.qports.state)
1439 *cbctl->data.qports.state = qports->entry[0].state;
1440 }
1441 return 0;
1442}
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454int qeth_bridgeport_query_ports(struct qeth_card *card,
1455 enum qeth_sbp_roles *role, enum qeth_sbp_states *state)
1456{
1457 struct qeth_cmd_buffer *iob;
1458 struct _qeth_sbp_cbctl cbctl = {
1459 .data = {
1460 .qports = {
1461 .role = role,
1462 .state = state,
1463 },
1464 },
1465 };
1466
1467 QETH_CARD_TEXT(card, 2, "brqports");
1468 if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS))
1469 return -EOPNOTSUPP;
1470 iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0);
1471 if (!iob)
1472 return -ENOMEM;
1473
1474 return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb,
1475 &cbctl);
1476}
1477
1478static int qeth_bridgeport_set_cb(struct qeth_card *card,
1479 struct qeth_reply *reply, unsigned long data)
1480{
1481 struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data;
1482
1483 QETH_CARD_TEXT(card, 2, "brsetrcb");
1484 return qeth_bridgeport_makerc(card, cmd);
1485}
1486
1487
1488
1489
1490
1491
1492
1493
1494int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role)
1495{
1496 struct qeth_cmd_buffer *iob;
1497 enum qeth_ipa_sbp_cmd setcmd;
1498 unsigned int cmdlength = 0;
1499
1500 QETH_CARD_TEXT(card, 2, "brsetrol");
1501 switch (role) {
1502 case QETH_SBP_ROLE_NONE:
1503 setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE;
1504 break;
1505 case QETH_SBP_ROLE_PRIMARY:
1506 setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT;
1507 cmdlength = SBP_DATA_SIZEOF(set_primary);
1508 break;
1509 case QETH_SBP_ROLE_SECONDARY:
1510 setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT;
1511 break;
1512 default:
1513 return -EINVAL;
1514 }
1515 if (!(card->options.sbp.supported_funcs & setcmd))
1516 return -EOPNOTSUPP;
1517 iob = qeth_sbp_build_cmd(card, setcmd, cmdlength);
1518 if (!iob)
1519 return -ENOMEM;
1520
1521 return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, NULL);
1522}
1523
1524static void qeth_bridgeport_an_set_cb(void *priv,
1525 struct chsc_pnso_naid_l2 *entry)
1526{
1527 struct qeth_card *card = (struct qeth_card *)priv;
1528 u8 code;
1529
1530 code = IPA_ADDR_CHANGE_CODE_MACADDR;
1531 if (entry->addr_lnid.lnid < VLAN_N_VID)
1532 code |= IPA_ADDR_CHANGE_CODE_VLANID;
1533 qeth_bridge_emit_host_event(card, anev_reg_unreg, code,
1534 (struct net_if_token *)&entry->nit,
1535 (struct mac_addr_lnid *)&entry->addr_lnid);
1536}
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548int qeth_bridgeport_an_set(struct qeth_card *card, int enable)
1549{
1550 int rc;
1551
1552 if (!card->options.sbp.supported_funcs)
1553 return -EOPNOTSUPP;
1554
1555 if (enable) {
1556 qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL);
1557 rc = qeth_l2_pnso(card, 1, qeth_bridgeport_an_set_cb, card);
1558 } else
1559 rc = qeth_l2_pnso(card, 0, NULL, NULL);
1560 return rc;
1561}
1562
1563static bool qeth_bridgeport_is_in_use(struct qeth_card *card)
1564{
1565 return (card->options.sbp.role || card->options.sbp.reflect_promisc ||
1566 card->options.sbp.hostnotification);
1567}
1568
1569
1570
1571
1572static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc)
1573{
1574 int rc;
1575
1576 switch (ipa_rc) {
1577 case IPA_RC_SUCCESS:
1578 return ipa_rc;
1579 case IPA_RC_L2_UNSUPPORTED_CMD:
1580 case IPA_RC_NOTSUPP:
1581 rc = -EOPNOTSUPP;
1582 break;
1583 case IPA_RC_VNICC_OOSEQ:
1584 rc = -EALREADY;
1585 break;
1586 case IPA_RC_VNICC_VNICBP:
1587 rc = -EBUSY;
1588 break;
1589 case IPA_RC_L2_ADDR_TABLE_FULL:
1590 rc = -ENOSPC;
1591 break;
1592 case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP:
1593 rc = -EACCES;
1594 break;
1595 default:
1596 rc = -EIO;
1597 }
1598
1599 QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc);
1600 return rc;
1601}
1602
1603
1604static int qeth_l2_vnicc_request_cb(struct qeth_card *card,
1605 struct qeth_reply *reply,
1606 unsigned long data)
1607{
1608 struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
1609 struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc;
1610 u32 sub_cmd = cmd->data.vnicc.hdr.sub_command;
1611
1612 QETH_CARD_TEXT(card, 2, "vniccrcb");
1613 if (cmd->hdr.return_code)
1614 return qeth_l2_vnicc_makerc(card, cmd->hdr.return_code);
1615
1616 card->options.vnicc.sup_chars = rep->vnicc_cmds.supported;
1617 card->options.vnicc.cur_chars = rep->vnicc_cmds.enabled;
1618
1619 if (sub_cmd == IPA_VNICC_QUERY_CMDS)
1620 *(u32 *)reply->param = rep->data.query_cmds.sup_cmds;
1621 else if (sub_cmd == IPA_VNICC_GET_TIMEOUT)
1622 *(u32 *)reply->param = rep->data.getset_timeout.timeout;
1623
1624 return 0;
1625}
1626
1627static struct qeth_cmd_buffer *qeth_l2_vnicc_build_cmd(struct qeth_card *card,
1628 u32 vnicc_cmd,
1629 unsigned int data_length)
1630{
1631 struct qeth_ipacmd_vnicc_hdr *hdr;
1632 struct qeth_cmd_buffer *iob;
1633
1634 iob = qeth_ipa_alloc_cmd(card, IPA_CMD_VNICC, QETH_PROT_NONE,
1635 data_length +
1636 offsetof(struct qeth_ipacmd_vnicc, data));
1637 if (!iob)
1638 return NULL;
1639
1640 hdr = &__ipa_cmd(iob)->data.vnicc.hdr;
1641 hdr->data_length = sizeof(*hdr) + data_length;
1642 hdr->sub_command = vnicc_cmd;
1643 return iob;
1644}
1645
1646
1647static int qeth_l2_vnicc_query_chars(struct qeth_card *card)
1648{
1649 struct qeth_cmd_buffer *iob;
1650
1651 QETH_CARD_TEXT(card, 2, "vniccqch");
1652 iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CHARS, 0);
1653 if (!iob)
1654 return -ENOMEM;
1655
1656 return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL);
1657}
1658
1659
1660static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char,
1661 u32 *sup_cmds)
1662{
1663 struct qeth_cmd_buffer *iob;
1664
1665 QETH_CARD_TEXT(card, 2, "vniccqcm");
1666 iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CMDS,
1667 VNICC_DATA_SIZEOF(query_cmds));
1668 if (!iob)
1669 return -ENOMEM;
1670
1671 __ipa_cmd(iob)->data.vnicc.data.query_cmds.vnic_char = vnic_char;
1672
1673 return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, sup_cmds);
1674}
1675
1676
1677static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char,
1678 u32 cmd)
1679{
1680 struct qeth_cmd_buffer *iob;
1681
1682 QETH_CARD_TEXT(card, 2, "vniccedc");
1683 iob = qeth_l2_vnicc_build_cmd(card, cmd, VNICC_DATA_SIZEOF(set_char));
1684 if (!iob)
1685 return -ENOMEM;
1686
1687 __ipa_cmd(iob)->data.vnicc.data.set_char.vnic_char = vnic_char;
1688
1689 return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL);
1690}
1691
1692
1693static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc,
1694 u32 cmd, u32 *timeout)
1695{
1696 struct qeth_vnicc_getset_timeout *getset_timeout;
1697 struct qeth_cmd_buffer *iob;
1698
1699 QETH_CARD_TEXT(card, 2, "vniccgst");
1700 iob = qeth_l2_vnicc_build_cmd(card, cmd,
1701 VNICC_DATA_SIZEOF(getset_timeout));
1702 if (!iob)
1703 return -ENOMEM;
1704
1705 getset_timeout = &__ipa_cmd(iob)->data.vnicc.data.getset_timeout;
1706 getset_timeout->vnic_char = vnicc;
1707
1708 if (cmd == IPA_VNICC_SET_TIMEOUT)
1709 getset_timeout->timeout = *timeout;
1710
1711 return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, timeout);
1712}
1713
1714
1715int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state)
1716{
1717 int rc = 0;
1718 u32 cmd;
1719
1720 QETH_CARD_TEXT(card, 2, "vniccsch");
1721
1722
1723 if (!(card->options.vnicc.sup_chars & vnicc) ||
1724 !(card->options.vnicc.set_char_sup & vnicc))
1725 return -EOPNOTSUPP;
1726
1727 if (qeth_bridgeport_is_in_use(card))
1728 return -EBUSY;
1729
1730
1731 if (state) {
1732 cmd = IPA_VNICC_ENABLE;
1733 card->options.vnicc.wanted_chars |= vnicc;
1734 } else {
1735 cmd = IPA_VNICC_DISABLE;
1736 card->options.vnicc.wanted_chars &= ~vnicc;
1737 }
1738
1739
1740 if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars)
1741 return rc;
1742
1743
1744 if (!qeth_card_hw_is_reachable(card)) {
1745 if (state)
1746 card->options.vnicc.cur_chars |= vnicc;
1747 else
1748 card->options.vnicc.cur_chars &= ~vnicc;
1749 return rc;
1750 }
1751
1752 rc = qeth_l2_vnicc_set_char(card, vnicc, cmd);
1753 if (rc)
1754 card->options.vnicc.wanted_chars =
1755 card->options.vnicc.cur_chars;
1756 else {
1757
1758 if (state && vnicc == QETH_VNICC_RX_BCAST)
1759 card->options.vnicc.rx_bcast_enabled = true;
1760 if (!state && vnicc == QETH_VNICC_LEARNING)
1761 qeth_l2_vnicc_recover_timeout(card, vnicc,
1762 &card->options.vnicc.learning_timeout);
1763 }
1764
1765 return rc;
1766}
1767
1768
1769int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state)
1770{
1771 int rc = 0;
1772
1773 QETH_CARD_TEXT(card, 2, "vniccgch");
1774
1775
1776 if (!(card->options.vnicc.sup_chars & vnicc))
1777 return -EOPNOTSUPP;
1778
1779 if (qeth_bridgeport_is_in_use(card))
1780 return -EBUSY;
1781
1782
1783 if (qeth_card_hw_is_reachable(card))
1784 rc = qeth_l2_vnicc_query_chars(card);
1785
1786 *state = (card->options.vnicc.cur_chars & vnicc) ? true : false;
1787 return rc;
1788}
1789
1790
1791
1792
1793int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout)
1794{
1795 int rc = 0;
1796
1797 QETH_CARD_TEXT(card, 2, "vniccsto");
1798
1799
1800 if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) ||
1801 !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING))
1802 return -EOPNOTSUPP;
1803
1804 if (qeth_bridgeport_is_in_use(card))
1805 return -EBUSY;
1806
1807
1808 if (card->options.vnicc.learning_timeout == timeout)
1809 return rc;
1810
1811
1812 if (!qeth_card_hw_is_reachable(card)) {
1813 card->options.vnicc.learning_timeout = timeout;
1814 return rc;
1815 }
1816
1817
1818 rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING,
1819 IPA_VNICC_SET_TIMEOUT, &timeout);
1820 if (!rc)
1821 card->options.vnicc.learning_timeout = timeout;
1822
1823 return rc;
1824}
1825
1826
1827
1828
1829int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout)
1830{
1831 int rc = 0;
1832
1833 QETH_CARD_TEXT(card, 2, "vniccgto");
1834
1835
1836 if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) ||
1837 !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING))
1838 return -EOPNOTSUPP;
1839
1840 if (qeth_bridgeport_is_in_use(card))
1841 return -EBUSY;
1842
1843
1844 *timeout = card->options.vnicc.learning_timeout;
1845 if (qeth_card_hw_is_reachable(card))
1846 rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING,
1847 IPA_VNICC_GET_TIMEOUT,
1848 timeout);
1849
1850 return rc;
1851}
1852
1853
1854bool qeth_l2_vnicc_is_in_use(struct qeth_card *card)
1855{
1856 if (!card->options.vnicc.sup_chars)
1857 return false;
1858
1859
1860
1861 if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) {
1862 if (!card->options.vnicc.rx_bcast_enabled ||
1863 !qeth_card_hw_is_reachable(card))
1864 return false;
1865 }
1866 return true;
1867}
1868
1869
1870static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc,
1871 u32 *timeout)
1872{
1873 if (card->options.vnicc.sup_chars & vnicc &&
1874 card->options.vnicc.getset_timeout_sup & vnicc &&
1875 !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT,
1876 timeout))
1877 return false;
1878 *timeout = QETH_VNICC_DEFAULT_TIMEOUT;
1879 return true;
1880}
1881
1882
1883static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc,
1884 bool enable)
1885{
1886 u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE;
1887
1888 if (card->options.vnicc.sup_chars & vnicc &&
1889 card->options.vnicc.set_char_sup & vnicc &&
1890 !qeth_l2_vnicc_set_char(card, vnicc, cmd))
1891 return false;
1892 card->options.vnicc.wanted_chars &= ~vnicc;
1893 card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc;
1894 return true;
1895}
1896
1897
1898static void qeth_l2_vnicc_init(struct qeth_card *card)
1899{
1900 u32 *timeout = &card->options.vnicc.learning_timeout;
1901 bool enable, error = false;
1902 unsigned int chars_len, i;
1903 unsigned long chars_tmp;
1904 u32 sup_cmds, vnicc;
1905
1906 QETH_CARD_TEXT(card, 2, "vniccini");
1907
1908 card->options.vnicc.rx_bcast_enabled = 0;
1909
1910 if (qeth_l2_vnicc_query_chars(card)) {
1911 if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT ||
1912 *timeout != QETH_VNICC_DEFAULT_TIMEOUT)
1913 dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n");
1914
1915 card->options.vnicc.sup_chars = 0;
1916 card->options.vnicc.cur_chars = 0;
1917 card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT;
1918 return;
1919 }
1920
1921 chars_tmp = card->options.vnicc.sup_chars;
1922 chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE;
1923 for_each_set_bit(i, &chars_tmp, chars_len) {
1924 vnicc = BIT(i);
1925 if (qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds)) {
1926 sup_cmds = 0;
1927 error = true;
1928 }
1929 if ((sup_cmds & IPA_VNICC_SET_TIMEOUT) &&
1930 (sup_cmds & IPA_VNICC_GET_TIMEOUT))
1931 card->options.vnicc.getset_timeout_sup |= vnicc;
1932 else
1933 card->options.vnicc.getset_timeout_sup &= ~vnicc;
1934 if ((sup_cmds & IPA_VNICC_ENABLE) &&
1935 (sup_cmds & IPA_VNICC_DISABLE))
1936 card->options.vnicc.set_char_sup |= vnicc;
1937 else
1938 card->options.vnicc.set_char_sup &= ~vnicc;
1939 }
1940
1941 error |= qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING,
1942 timeout);
1943
1944 chars_tmp = card->options.vnicc.wanted_chars ^
1945 card->options.vnicc.cur_chars;
1946 chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE;
1947 for_each_set_bit(i, &chars_tmp, chars_len) {
1948 vnicc = BIT(i);
1949 enable = card->options.vnicc.wanted_chars & vnicc;
1950 error |= qeth_l2_vnicc_recover_char(card, vnicc, enable);
1951 }
1952 if (error)
1953 dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n");
1954}
1955
1956
1957static void qeth_l2_vnicc_set_defaults(struct qeth_card *card)
1958{
1959
1960 card->options.vnicc.sup_chars = QETH_VNICC_ALL;
1961 card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT;
1962 card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT;
1963
1964 card->options.vnicc.set_char_sup = QETH_VNICC_ALL;
1965 card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING;
1966
1967 card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT;
1968}
1969
1970module_init(qeth_l2_init);
1971module_exit(qeth_l2_exit);
1972MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
1973MODULE_DESCRIPTION("qeth layer 2 discipline");
1974MODULE_LICENSE("GPL");
1975
