2 * Copyright IBM Corp. 2007, 2009
3 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
4 * Frank Pavlic <fpavlic@de.ibm.com>,
5 * Thomas Spatzier <tspat@de.ibm.com>,
6 * Frank Blaschka <frank.blaschka@de.ibm.com>
9 #define KMSG_COMPONENT "qeth"
10 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/string.h>
15 #include <linux/errno.h>
16 #include <linux/kernel.h>
18 #include <linux/tcp.h>
19 #include <linux/mii.h>
20 #include <linux/kthread.h>
21 #include <linux/slab.h>
22 #include <net/iucv/af_iucv.h>
24 #include <asm/ebcdic.h>
26 #include <asm/sysinfo.h>
27 #include <asm/compat.h>
29 #include "qeth_core.h"
31 struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS] = {
32 /* define dbf - Name, Pages, Areas, Maxlen, Level, View, Handle */
34 [QETH_DBF_SETUP] = {"qeth_setup",
35 8, 1, 8, 5, &debug_hex_ascii_view, NULL},
36 [QETH_DBF_MSG] = {"qeth_msg",
37 8, 1, 128, 3, &debug_sprintf_view, NULL},
38 [QETH_DBF_CTRL] = {"qeth_control",
39 8, 1, QETH_DBF_CTRL_LEN, 5, &debug_hex_ascii_view, NULL},
41 EXPORT_SYMBOL_GPL(qeth_dbf);
43 struct qeth_card_list_struct qeth_core_card_list;
44 EXPORT_SYMBOL_GPL(qeth_core_card_list);
45 struct kmem_cache *qeth_core_header_cache;
46 EXPORT_SYMBOL_GPL(qeth_core_header_cache);
47 static struct kmem_cache *qeth_qdio_outbuf_cache;
49 static struct device *qeth_core_root_dev;
50 static unsigned int known_devices[][6] = QETH_MODELLIST_ARRAY;
51 static struct lock_class_key qdio_out_skb_queue_key;
52 static struct mutex qeth_mod_mutex;
54 static void qeth_send_control_data_cb(struct qeth_channel *,
55 struct qeth_cmd_buffer *);
56 static int qeth_issue_next_read(struct qeth_card *);
57 static struct qeth_cmd_buffer *qeth_get_buffer(struct qeth_channel *);
58 static void qeth_setup_ccw(struct qeth_channel *, unsigned char *, __u32);
59 static void qeth_free_buffer_pool(struct qeth_card *);
60 static int qeth_qdio_establish(struct qeth_card *);
61 static void qeth_free_qdio_buffers(struct qeth_card *);
62 static void qeth_notify_skbs(struct qeth_qdio_out_q *queue,
63 struct qeth_qdio_out_buffer *buf,
64 enum iucv_tx_notify notification);
65 static void qeth_release_skbs(struct qeth_qdio_out_buffer *buf);
66 static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
67 struct qeth_qdio_out_buffer *buf,
68 enum qeth_qdio_buffer_states newbufstate);
69 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int);
71 static inline const char *qeth_get_cardname(struct qeth_card *card)
73 if (card->info.guestlan) {
74 switch (card->info.type) {
75 case QETH_CARD_TYPE_OSD:
76 return " Guest LAN QDIO";
77 case QETH_CARD_TYPE_IQD:
78 return " Guest LAN Hiper";
79 case QETH_CARD_TYPE_OSM:
80 return " Guest LAN QDIO - OSM";
81 case QETH_CARD_TYPE_OSX:
82 return " Guest LAN QDIO - OSX";
87 switch (card->info.type) {
88 case QETH_CARD_TYPE_OSD:
89 return " OSD Express";
90 case QETH_CARD_TYPE_IQD:
91 return " HiperSockets";
92 case QETH_CARD_TYPE_OSN:
94 case QETH_CARD_TYPE_OSM:
96 case QETH_CARD_TYPE_OSX:
105 /* max length to be returned: 14 */
106 const char *qeth_get_cardname_short(struct qeth_card *card)
108 if (card->info.guestlan) {
109 switch (card->info.type) {
110 case QETH_CARD_TYPE_OSD:
111 return "GuestLAN QDIO";
112 case QETH_CARD_TYPE_IQD:
113 return "GuestLAN Hiper";
114 case QETH_CARD_TYPE_OSM:
115 return "GuestLAN OSM";
116 case QETH_CARD_TYPE_OSX:
117 return "GuestLAN OSX";
122 switch (card->info.type) {
123 case QETH_CARD_TYPE_OSD:
124 switch (card->info.link_type) {
125 case QETH_LINK_TYPE_FAST_ETH:
127 case QETH_LINK_TYPE_HSTR:
129 case QETH_LINK_TYPE_GBIT_ETH:
131 case QETH_LINK_TYPE_10GBIT_ETH:
133 case QETH_LINK_TYPE_LANE_ETH100:
134 return "OSD_FE_LANE";
135 case QETH_LINK_TYPE_LANE_TR:
136 return "OSD_TR_LANE";
137 case QETH_LINK_TYPE_LANE_ETH1000:
138 return "OSD_GbE_LANE";
139 case QETH_LINK_TYPE_LANE:
140 return "OSD_ATM_LANE";
142 return "OSD_Express";
144 case QETH_CARD_TYPE_IQD:
145 return "HiperSockets";
146 case QETH_CARD_TYPE_OSN:
148 case QETH_CARD_TYPE_OSM:
150 case QETH_CARD_TYPE_OSX:
159 void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
160 int clear_start_mask)
164 spin_lock_irqsave(&card->thread_mask_lock, flags);
165 card->thread_allowed_mask = threads;
166 if (clear_start_mask)
167 card->thread_start_mask &= threads;
168 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
169 wake_up(&card->wait_q);
171 EXPORT_SYMBOL_GPL(qeth_set_allowed_threads);
173 int qeth_threads_running(struct qeth_card *card, unsigned long threads)
178 spin_lock_irqsave(&card->thread_mask_lock, flags);
179 rc = (card->thread_running_mask & threads);
180 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
183 EXPORT_SYMBOL_GPL(qeth_threads_running);
185 int qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
187 return wait_event_interruptible(card->wait_q,
188 qeth_threads_running(card, threads) == 0);
190 EXPORT_SYMBOL_GPL(qeth_wait_for_threads);
192 void qeth_clear_working_pool_list(struct qeth_card *card)
194 struct qeth_buffer_pool_entry *pool_entry, *tmp;
196 QETH_CARD_TEXT(card, 5, "clwrklst");
197 list_for_each_entry_safe(pool_entry, tmp,
198 &card->qdio.in_buf_pool.entry_list, list){
199 list_del(&pool_entry->list);
202 EXPORT_SYMBOL_GPL(qeth_clear_working_pool_list);
204 static int qeth_alloc_buffer_pool(struct qeth_card *card)
206 struct qeth_buffer_pool_entry *pool_entry;
210 QETH_CARD_TEXT(card, 5, "alocpool");
211 for (i = 0; i < card->qdio.init_pool.buf_count; ++i) {
212 pool_entry = kzalloc(sizeof(*pool_entry), GFP_KERNEL);
214 qeth_free_buffer_pool(card);
217 for (j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j) {
218 ptr = (void *) __get_free_page(GFP_KERNEL);
221 free_page((unsigned long)
222 pool_entry->elements[--j]);
224 qeth_free_buffer_pool(card);
227 pool_entry->elements[j] = ptr;
229 list_add(&pool_entry->init_list,
230 &card->qdio.init_pool.entry_list);
235 int qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
237 QETH_CARD_TEXT(card, 2, "realcbp");
239 if ((card->state != CARD_STATE_DOWN) &&
240 (card->state != CARD_STATE_RECOVER))
243 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
244 qeth_clear_working_pool_list(card);
245 qeth_free_buffer_pool(card);
246 card->qdio.in_buf_pool.buf_count = bufcnt;
247 card->qdio.init_pool.buf_count = bufcnt;
248 return qeth_alloc_buffer_pool(card);
250 EXPORT_SYMBOL_GPL(qeth_realloc_buffer_pool);
252 static inline int qeth_cq_init(struct qeth_card *card)
256 if (card->options.cq == QETH_CQ_ENABLED) {
257 QETH_DBF_TEXT(SETUP, 2, "cqinit");
258 memset(card->qdio.c_q->qdio_bufs, 0,
259 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
260 card->qdio.c_q->next_buf_to_init = 127;
261 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT,
262 card->qdio.no_in_queues - 1, 0,
265 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
274 static inline int qeth_alloc_cq(struct qeth_card *card)
278 if (card->options.cq == QETH_CQ_ENABLED) {
280 struct qdio_outbuf_state *outbuf_states;
282 QETH_DBF_TEXT(SETUP, 2, "cqon");
283 card->qdio.c_q = kzalloc(sizeof(struct qeth_qdio_q),
285 if (!card->qdio.c_q) {
289 QETH_DBF_HEX(SETUP, 2, &card->qdio.c_q, sizeof(void *));
291 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
292 card->qdio.c_q->bufs[i].buffer =
293 &card->qdio.c_q->qdio_bufs[i];
296 card->qdio.no_in_queues = 2;
298 card->qdio.out_bufstates = (struct qdio_outbuf_state *)
299 kzalloc(card->qdio.no_out_queues *
300 QDIO_MAX_BUFFERS_PER_Q *
301 sizeof(struct qdio_outbuf_state), GFP_KERNEL);
302 outbuf_states = card->qdio.out_bufstates;
303 if (outbuf_states == NULL) {
307 for (i = 0; i < card->qdio.no_out_queues; ++i) {
308 card->qdio.out_qs[i]->bufstates = outbuf_states;
309 outbuf_states += QDIO_MAX_BUFFERS_PER_Q;
312 QETH_DBF_TEXT(SETUP, 2, "nocq");
313 card->qdio.c_q = NULL;
314 card->qdio.no_in_queues = 1;
316 QETH_DBF_TEXT_(SETUP, 2, "iqc%d", card->qdio.no_in_queues);
321 kfree(card->qdio.c_q);
322 card->qdio.c_q = NULL;
324 dev_err(&card->gdev->dev, "Failed to create completion queue\n");
328 static inline void qeth_free_cq(struct qeth_card *card)
330 if (card->qdio.c_q) {
331 --card->qdio.no_in_queues;
332 kfree(card->qdio.c_q);
333 card->qdio.c_q = NULL;
335 kfree(card->qdio.out_bufstates);
336 card->qdio.out_bufstates = NULL;
339 static inline enum iucv_tx_notify qeth_compute_cq_notification(int sbalf15,
341 enum iucv_tx_notify n;
345 n = delayed ? TX_NOTIFY_DELAYED_OK : TX_NOTIFY_OK;
351 n = delayed ? TX_NOTIFY_DELAYED_UNREACHABLE :
352 TX_NOTIFY_UNREACHABLE;
355 n = delayed ? TX_NOTIFY_DELAYED_GENERALERROR :
356 TX_NOTIFY_GENERALERROR;
363 static inline void qeth_cleanup_handled_pending(struct qeth_qdio_out_q *q,
364 int bidx, int forced_cleanup)
366 if (q->card->options.cq != QETH_CQ_ENABLED)
369 if (q->bufs[bidx]->next_pending != NULL) {
370 struct qeth_qdio_out_buffer *head = q->bufs[bidx];
371 struct qeth_qdio_out_buffer *c = q->bufs[bidx]->next_pending;
374 if (forced_cleanup ||
375 atomic_read(&c->state) ==
376 QETH_QDIO_BUF_HANDLED_DELAYED) {
377 struct qeth_qdio_out_buffer *f = c;
378 QETH_CARD_TEXT(f->q->card, 5, "fp");
379 QETH_CARD_TEXT_(f->q->card, 5, "%lx", (long) f);
380 /* release here to avoid interleaving between
381 outbound tasklet and inbound tasklet
382 regarding notifications and lifecycle */
383 qeth_release_skbs(c);
386 BUG_ON(head->next_pending != f);
387 head->next_pending = c;
388 kmem_cache_free(qeth_qdio_outbuf_cache, f);
396 if (forced_cleanup && (atomic_read(&(q->bufs[bidx]->state)) ==
397 QETH_QDIO_BUF_HANDLED_DELAYED)) {
398 /* for recovery situations */
399 q->bufs[bidx]->aob = q->bufstates[bidx].aob;
400 qeth_init_qdio_out_buf(q, bidx);
401 QETH_CARD_TEXT(q->card, 2, "clprecov");
406 static inline void qeth_qdio_handle_aob(struct qeth_card *card,
407 unsigned long phys_aob_addr) {
409 struct qeth_qdio_out_buffer *buffer;
410 enum iucv_tx_notify notification;
412 aob = (struct qaob *) phys_to_virt(phys_aob_addr);
413 QETH_CARD_TEXT(card, 5, "haob");
414 QETH_CARD_TEXT_(card, 5, "%lx", phys_aob_addr);
415 buffer = (struct qeth_qdio_out_buffer *) aob->user1;
416 QETH_CARD_TEXT_(card, 5, "%lx", aob->user1);
418 BUG_ON(buffer == NULL);
420 if (atomic_cmpxchg(&buffer->state, QETH_QDIO_BUF_PRIMED,
421 QETH_QDIO_BUF_IN_CQ) == QETH_QDIO_BUF_PRIMED) {
422 notification = TX_NOTIFY_OK;
424 BUG_ON(atomic_read(&buffer->state) != QETH_QDIO_BUF_PENDING);
425 atomic_set(&buffer->state, QETH_QDIO_BUF_IN_CQ);
426 notification = TX_NOTIFY_DELAYED_OK;
429 if (aob->aorc != 0) {
430 QETH_CARD_TEXT_(card, 2, "aorc%02X", aob->aorc);
431 notification = qeth_compute_cq_notification(aob->aorc, 1);
433 qeth_notify_skbs(buffer->q, buffer, notification);
436 qeth_clear_output_buffer(buffer->q, buffer,
437 QETH_QDIO_BUF_HANDLED_DELAYED);
439 /* from here on: do not touch buffer anymore */
440 qdio_release_aob(aob);
443 static inline int qeth_is_cq(struct qeth_card *card, unsigned int queue)
445 return card->options.cq == QETH_CQ_ENABLED &&
446 card->qdio.c_q != NULL &&
448 queue == card->qdio.no_in_queues - 1;
452 static int qeth_issue_next_read(struct qeth_card *card)
455 struct qeth_cmd_buffer *iob;
457 QETH_CARD_TEXT(card, 5, "issnxrd");
458 if (card->read.state != CH_STATE_UP)
460 iob = qeth_get_buffer(&card->read);
462 dev_warn(&card->gdev->dev, "The qeth device driver "
463 "failed to recover an error on the device\n");
464 QETH_DBF_MESSAGE(2, "%s issue_next_read failed: no iob "
465 "available\n", dev_name(&card->gdev->dev));
468 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
469 QETH_CARD_TEXT(card, 6, "noirqpnd");
470 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
473 QETH_DBF_MESSAGE(2, "%s error in starting next read ccw! "
474 "rc=%i\n", dev_name(&card->gdev->dev), rc);
475 atomic_set(&card->read.irq_pending, 0);
476 card->read_or_write_problem = 1;
477 qeth_schedule_recovery(card);
478 wake_up(&card->wait_q);
483 static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card)
485 struct qeth_reply *reply;
487 reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
489 atomic_set(&reply->refcnt, 1);
490 atomic_set(&reply->received, 0);
496 static void qeth_get_reply(struct qeth_reply *reply)
498 WARN_ON(atomic_read(&reply->refcnt) <= 0);
499 atomic_inc(&reply->refcnt);
502 static void qeth_put_reply(struct qeth_reply *reply)
504 WARN_ON(atomic_read(&reply->refcnt) <= 0);
505 if (atomic_dec_and_test(&reply->refcnt))
509 static void qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, int rc,
510 struct qeth_card *card)
513 int com = cmd->hdr.command;
514 ipa_name = qeth_get_ipa_cmd_name(com);
516 QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s/%s returned "
518 ipa_name, com, dev_name(&card->gdev->dev),
519 QETH_CARD_IFNAME(card), rc,
520 qeth_get_ipa_msg(rc));
522 QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s/%s succeeded\n",
523 ipa_name, com, dev_name(&card->gdev->dev),
524 QETH_CARD_IFNAME(card));
527 static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
528 struct qeth_cmd_buffer *iob)
530 struct qeth_ipa_cmd *cmd = NULL;
532 QETH_CARD_TEXT(card, 5, "chkipad");
533 if (IS_IPA(iob->data)) {
534 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
535 if (IS_IPA_REPLY(cmd)) {
536 if (cmd->hdr.command != IPA_CMD_SETCCID &&
537 cmd->hdr.command != IPA_CMD_DELCCID &&
538 cmd->hdr.command != IPA_CMD_MODCCID &&
539 cmd->hdr.command != IPA_CMD_SET_DIAG_ASS)
540 qeth_issue_ipa_msg(cmd,
541 cmd->hdr.return_code, card);
544 switch (cmd->hdr.command) {
545 case IPA_CMD_STOPLAN:
546 dev_warn(&card->gdev->dev,
547 "The link for interface %s on CHPID"
549 QETH_CARD_IFNAME(card),
551 card->lan_online = 0;
552 if (card->dev && netif_carrier_ok(card->dev))
553 netif_carrier_off(card->dev);
555 case IPA_CMD_STARTLAN:
556 dev_info(&card->gdev->dev,
557 "The link for %s on CHPID 0x%X has"
559 QETH_CARD_IFNAME(card),
561 netif_carrier_on(card->dev);
562 card->lan_online = 1;
563 if (card->info.hwtrap)
564 card->info.hwtrap = 2;
565 qeth_schedule_recovery(card);
567 case IPA_CMD_MODCCID:
569 case IPA_CMD_REGISTER_LOCAL_ADDR:
570 QETH_CARD_TEXT(card, 3, "irla");
572 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
573 QETH_CARD_TEXT(card, 3, "urla");
576 QETH_DBF_MESSAGE(2, "Received data is IPA "
577 "but not a reply!\n");
585 void qeth_clear_ipacmd_list(struct qeth_card *card)
587 struct qeth_reply *reply, *r;
590 QETH_CARD_TEXT(card, 4, "clipalst");
592 spin_lock_irqsave(&card->lock, flags);
593 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
594 qeth_get_reply(reply);
596 atomic_inc(&reply->received);
597 list_del_init(&reply->list);
598 wake_up(&reply->wait_q);
599 qeth_put_reply(reply);
601 spin_unlock_irqrestore(&card->lock, flags);
602 atomic_set(&card->write.irq_pending, 0);
604 EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list);
606 static int qeth_check_idx_response(struct qeth_card *card,
607 unsigned char *buffer)
612 QETH_DBF_HEX(CTRL, 2, buffer, QETH_DBF_CTRL_LEN);
613 if ((buffer[2] & 0xc0) == 0xc0) {
614 QETH_DBF_MESSAGE(2, "received an IDX TERMINATE "
615 "with cause code 0x%02x%s\n",
617 ((buffer[4] == 0x22) ?
618 " -- try another portname" : ""));
619 QETH_CARD_TEXT(card, 2, "ckidxres");
620 QETH_CARD_TEXT(card, 2, " idxterm");
621 QETH_CARD_TEXT_(card, 2, " rc%d", -EIO);
622 if (buffer[4] == 0xf6) {
623 dev_err(&card->gdev->dev,
624 "The qeth device is not configured "
625 "for the OSI layer required by z/VM\n");
633 static void qeth_setup_ccw(struct qeth_channel *channel, unsigned char *iob,
636 struct qeth_card *card;
638 card = CARD_FROM_CDEV(channel->ccwdev);
639 QETH_CARD_TEXT(card, 4, "setupccw");
640 if (channel == &card->read)
641 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
643 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
644 channel->ccw.count = len;
645 channel->ccw.cda = (__u32) __pa(iob);
648 static struct qeth_cmd_buffer *__qeth_get_buffer(struct qeth_channel *channel)
652 QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "getbuff");
653 index = channel->io_buf_no;
655 if (channel->iob[index].state == BUF_STATE_FREE) {
656 channel->iob[index].state = BUF_STATE_LOCKED;
657 channel->io_buf_no = (channel->io_buf_no + 1) %
659 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
660 return channel->iob + index;
662 index = (index + 1) % QETH_CMD_BUFFER_NO;
663 } while (index != channel->io_buf_no);
668 void qeth_release_buffer(struct qeth_channel *channel,
669 struct qeth_cmd_buffer *iob)
673 QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "relbuff");
674 spin_lock_irqsave(&channel->iob_lock, flags);
675 memset(iob->data, 0, QETH_BUFSIZE);
676 iob->state = BUF_STATE_FREE;
677 iob->callback = qeth_send_control_data_cb;
679 spin_unlock_irqrestore(&channel->iob_lock, flags);
680 wake_up(&channel->wait_q);
682 EXPORT_SYMBOL_GPL(qeth_release_buffer);
684 static struct qeth_cmd_buffer *qeth_get_buffer(struct qeth_channel *channel)
686 struct qeth_cmd_buffer *buffer = NULL;
689 spin_lock_irqsave(&channel->iob_lock, flags);
690 buffer = __qeth_get_buffer(channel);
691 spin_unlock_irqrestore(&channel->iob_lock, flags);
695 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *channel)
697 struct qeth_cmd_buffer *buffer;
698 wait_event(channel->wait_q,
699 ((buffer = qeth_get_buffer(channel)) != NULL));
702 EXPORT_SYMBOL_GPL(qeth_wait_for_buffer);
704 void qeth_clear_cmd_buffers(struct qeth_channel *channel)
708 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
709 qeth_release_buffer(channel, &channel->iob[cnt]);
711 channel->io_buf_no = 0;
713 EXPORT_SYMBOL_GPL(qeth_clear_cmd_buffers);
715 static void qeth_send_control_data_cb(struct qeth_channel *channel,
716 struct qeth_cmd_buffer *iob)
718 struct qeth_card *card;
719 struct qeth_reply *reply, *r;
720 struct qeth_ipa_cmd *cmd;
725 card = CARD_FROM_CDEV(channel->ccwdev);
726 QETH_CARD_TEXT(card, 4, "sndctlcb");
727 rc = qeth_check_idx_response(card, iob->data);
732 qeth_clear_ipacmd_list(card);
733 qeth_schedule_recovery(card);
739 cmd = qeth_check_ipa_data(card, iob);
740 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
742 /*in case of OSN : check if cmd is set */
743 if (card->info.type == QETH_CARD_TYPE_OSN &&
745 cmd->hdr.command != IPA_CMD_STARTLAN &&
746 card->osn_info.assist_cb != NULL) {
747 card->osn_info.assist_cb(card->dev, cmd);
751 spin_lock_irqsave(&card->lock, flags);
752 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
753 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
754 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
755 qeth_get_reply(reply);
756 list_del_init(&reply->list);
757 spin_unlock_irqrestore(&card->lock, flags);
759 if (reply->callback != NULL) {
761 reply->offset = (__u16)((char *)cmd -
763 keep_reply = reply->callback(card,
767 keep_reply = reply->callback(card,
772 reply->rc = (u16) cmd->hdr.return_code;
776 spin_lock_irqsave(&card->lock, flags);
777 list_add_tail(&reply->list,
778 &card->cmd_waiter_list);
779 spin_unlock_irqrestore(&card->lock, flags);
781 atomic_inc(&reply->received);
782 wake_up(&reply->wait_q);
784 qeth_put_reply(reply);
788 spin_unlock_irqrestore(&card->lock, flags);
790 memcpy(&card->seqno.pdu_hdr_ack,
791 QETH_PDU_HEADER_SEQ_NO(iob->data),
793 qeth_release_buffer(channel, iob);
796 static int qeth_setup_channel(struct qeth_channel *channel)
800 QETH_DBF_TEXT(SETUP, 2, "setupch");
801 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
802 channel->iob[cnt].data =
803 kzalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
804 if (channel->iob[cnt].data == NULL)
806 channel->iob[cnt].state = BUF_STATE_FREE;
807 channel->iob[cnt].channel = channel;
808 channel->iob[cnt].callback = qeth_send_control_data_cb;
809 channel->iob[cnt].rc = 0;
811 if (cnt < QETH_CMD_BUFFER_NO) {
813 kfree(channel->iob[cnt].data);
817 channel->io_buf_no = 0;
818 atomic_set(&channel->irq_pending, 0);
819 spin_lock_init(&channel->iob_lock);
821 init_waitqueue_head(&channel->wait_q);
825 static int qeth_set_thread_start_bit(struct qeth_card *card,
826 unsigned long thread)
830 spin_lock_irqsave(&card->thread_mask_lock, flags);
831 if (!(card->thread_allowed_mask & thread) ||
832 (card->thread_start_mask & thread)) {
833 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
836 card->thread_start_mask |= thread;
837 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
841 void qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
845 spin_lock_irqsave(&card->thread_mask_lock, flags);
846 card->thread_start_mask &= ~thread;
847 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
848 wake_up(&card->wait_q);
850 EXPORT_SYMBOL_GPL(qeth_clear_thread_start_bit);
852 void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
856 spin_lock_irqsave(&card->thread_mask_lock, flags);
857 card->thread_running_mask &= ~thread;
858 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
859 wake_up(&card->wait_q);
861 EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit);
863 static int __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
868 spin_lock_irqsave(&card->thread_mask_lock, flags);
869 if (card->thread_start_mask & thread) {
870 if ((card->thread_allowed_mask & thread) &&
871 !(card->thread_running_mask & thread)) {
873 card->thread_start_mask &= ~thread;
874 card->thread_running_mask |= thread;
878 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
882 int qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
886 wait_event(card->wait_q,
887 (rc = __qeth_do_run_thread(card, thread)) >= 0);
890 EXPORT_SYMBOL_GPL(qeth_do_run_thread);
892 void qeth_schedule_recovery(struct qeth_card *card)
894 QETH_CARD_TEXT(card, 2, "startrec");
895 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
896 schedule_work(&card->kernel_thread_starter);
898 EXPORT_SYMBOL_GPL(qeth_schedule_recovery);
900 static int qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
904 struct qeth_card *card;
906 sense = (char *) irb->ecw;
907 cstat = irb->scsw.cmd.cstat;
908 dstat = irb->scsw.cmd.dstat;
909 card = CARD_FROM_CDEV(cdev);
911 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
912 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
913 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
914 QETH_CARD_TEXT(card, 2, "CGENCHK");
915 dev_warn(&cdev->dev, "The qeth device driver "
916 "failed to recover an error on the device\n");
917 QETH_DBF_MESSAGE(2, "%s check on device dstat=x%x, cstat=x%x\n",
918 dev_name(&cdev->dev), dstat, cstat);
919 print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET,
924 if (dstat & DEV_STAT_UNIT_CHECK) {
925 if (sense[SENSE_RESETTING_EVENT_BYTE] &
926 SENSE_RESETTING_EVENT_FLAG) {
927 QETH_CARD_TEXT(card, 2, "REVIND");
930 if (sense[SENSE_COMMAND_REJECT_BYTE] &
931 SENSE_COMMAND_REJECT_FLAG) {
932 QETH_CARD_TEXT(card, 2, "CMDREJi");
935 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
936 QETH_CARD_TEXT(card, 2, "AFFE");
939 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
940 QETH_CARD_TEXT(card, 2, "ZEROSEN");
943 QETH_CARD_TEXT(card, 2, "DGENCHK");
949 static long __qeth_check_irb_error(struct ccw_device *cdev,
950 unsigned long intparm, struct irb *irb)
952 struct qeth_card *card;
954 card = CARD_FROM_CDEV(cdev);
959 switch (PTR_ERR(irb)) {
961 QETH_DBF_MESSAGE(2, "%s i/o-error on device\n",
962 dev_name(&cdev->dev));
963 QETH_CARD_TEXT(card, 2, "ckirberr");
964 QETH_CARD_TEXT_(card, 2, " rc%d", -EIO);
967 dev_warn(&cdev->dev, "A hardware operation timed out"
969 QETH_CARD_TEXT(card, 2, "ckirberr");
970 QETH_CARD_TEXT_(card, 2, " rc%d", -ETIMEDOUT);
971 if (intparm == QETH_RCD_PARM) {
972 if (card && (card->data.ccwdev == cdev)) {
973 card->data.state = CH_STATE_DOWN;
974 wake_up(&card->wait_q);
979 QETH_DBF_MESSAGE(2, "%s unknown error %ld on device\n",
980 dev_name(&cdev->dev), PTR_ERR(irb));
981 QETH_CARD_TEXT(card, 2, "ckirberr");
982 QETH_CARD_TEXT(card, 2, " rc???");
987 static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
992 struct qeth_cmd_buffer *buffer;
993 struct qeth_channel *channel;
994 struct qeth_card *card;
995 struct qeth_cmd_buffer *iob;
998 if (__qeth_check_irb_error(cdev, intparm, irb))
1000 cstat = irb->scsw.cmd.cstat;
1001 dstat = irb->scsw.cmd.dstat;
1003 card = CARD_FROM_CDEV(cdev);
1007 QETH_CARD_TEXT(card, 5, "irq");
1009 if (card->read.ccwdev == cdev) {
1010 channel = &card->read;
1011 QETH_CARD_TEXT(card, 5, "read");
1012 } else if (card->write.ccwdev == cdev) {
1013 channel = &card->write;
1014 QETH_CARD_TEXT(card, 5, "write");
1016 channel = &card->data;
1017 QETH_CARD_TEXT(card, 5, "data");
1019 atomic_set(&channel->irq_pending, 0);
1021 if (irb->scsw.cmd.fctl & (SCSW_FCTL_CLEAR_FUNC))
1022 channel->state = CH_STATE_STOPPED;
1024 if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC))
1025 channel->state = CH_STATE_HALTED;
1027 /*let's wake up immediately on data channel*/
1028 if ((channel == &card->data) && (intparm != 0) &&
1029 (intparm != QETH_RCD_PARM))
1032 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
1033 QETH_CARD_TEXT(card, 6, "clrchpar");
1034 /* we don't have to handle this further */
1037 if (intparm == QETH_HALT_CHANNEL_PARM) {
1038 QETH_CARD_TEXT(card, 6, "hltchpar");
1039 /* we don't have to handle this further */
1042 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
1043 (dstat & DEV_STAT_UNIT_CHECK) ||
1045 if (irb->esw.esw0.erw.cons) {
1046 dev_warn(&channel->ccwdev->dev,
1047 "The qeth device driver failed to recover "
1048 "an error on the device\n");
1049 QETH_DBF_MESSAGE(2, "%s sense data available. cstat "
1050 "0x%X dstat 0x%X\n",
1051 dev_name(&channel->ccwdev->dev), cstat, dstat);
1052 print_hex_dump(KERN_WARNING, "qeth: irb ",
1053 DUMP_PREFIX_OFFSET, 16, 1, irb, 32, 1);
1054 print_hex_dump(KERN_WARNING, "qeth: sense data ",
1055 DUMP_PREFIX_OFFSET, 16, 1, irb->ecw, 32, 1);
1057 if (intparm == QETH_RCD_PARM) {
1058 channel->state = CH_STATE_DOWN;
1061 rc = qeth_get_problem(cdev, irb);
1063 qeth_clear_ipacmd_list(card);
1064 qeth_schedule_recovery(card);
1069 if (intparm == QETH_RCD_PARM) {
1070 channel->state = CH_STATE_RCD_DONE;
1074 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
1075 buffer->state = BUF_STATE_PROCESSED;
1077 if (channel == &card->data)
1079 if (channel == &card->read &&
1080 channel->state == CH_STATE_UP)
1081 qeth_issue_next_read(card);
1084 index = channel->buf_no;
1085 while (iob[index].state == BUF_STATE_PROCESSED) {
1086 if (iob[index].callback != NULL)
1087 iob[index].callback(channel, iob + index);
1089 index = (index + 1) % QETH_CMD_BUFFER_NO;
1091 channel->buf_no = index;
1093 wake_up(&card->wait_q);
1097 static void qeth_notify_skbs(struct qeth_qdio_out_q *q,
1098 struct qeth_qdio_out_buffer *buf,
1099 enum iucv_tx_notify notification)
1101 struct sk_buff *skb;
1103 if (skb_queue_empty(&buf->skb_list))
1105 skb = skb_peek(&buf->skb_list);
1107 QETH_CARD_TEXT_(q->card, 5, "skbn%d", notification);
1108 QETH_CARD_TEXT_(q->card, 5, "%lx", (long) skb);
1109 if (skb->protocol == ETH_P_AF_IUCV) {
1111 struct iucv_sock *iucv = iucv_sk(skb->sk);
1112 iucv->sk_txnotify(skb, notification);
1115 if (skb_queue_is_last(&buf->skb_list, skb))
1118 skb = skb_queue_next(&buf->skb_list, skb);
1124 static void qeth_release_skbs(struct qeth_qdio_out_buffer *buf)
1126 struct sk_buff *skb;
1127 struct iucv_sock *iucv;
1128 int notify_general_error = 0;
1130 if (atomic_read(&buf->state) == QETH_QDIO_BUF_PENDING)
1131 notify_general_error = 1;
1133 /* release may never happen from within CQ tasklet scope */
1134 BUG_ON(atomic_read(&buf->state) == QETH_QDIO_BUF_IN_CQ);
1136 skb = skb_dequeue(&buf->skb_list);
1138 QETH_CARD_TEXT(buf->q->card, 5, "skbr");
1139 QETH_CARD_TEXT_(buf->q->card, 5, "%lx", (long) skb);
1140 if (notify_general_error && skb->protocol == ETH_P_AF_IUCV) {
1142 iucv = iucv_sk(skb->sk);
1143 iucv->sk_txnotify(skb, TX_NOTIFY_GENERALERROR);
1146 atomic_dec(&skb->users);
1147 dev_kfree_skb_any(skb);
1148 skb = skb_dequeue(&buf->skb_list);
1152 static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
1153 struct qeth_qdio_out_buffer *buf,
1154 enum qeth_qdio_buffer_states newbufstate)
1158 /* is PCI flag set on buffer? */
1159 if (buf->buffer->element[0].sflags & SBAL_SFLAGS0_PCI_REQ)
1160 atomic_dec(&queue->set_pci_flags_count);
1162 if (newbufstate == QETH_QDIO_BUF_EMPTY) {
1163 qeth_release_skbs(buf);
1165 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) {
1166 if (buf->buffer->element[i].addr && buf->is_header[i])
1167 kmem_cache_free(qeth_core_header_cache,
1168 buf->buffer->element[i].addr);
1169 buf->is_header[i] = 0;
1170 buf->buffer->element[i].length = 0;
1171 buf->buffer->element[i].addr = NULL;
1172 buf->buffer->element[i].eflags = 0;
1173 buf->buffer->element[i].sflags = 0;
1175 buf->buffer->element[15].eflags = 0;
1176 buf->buffer->element[15].sflags = 0;
1177 buf->next_element_to_fill = 0;
1178 atomic_set(&buf->state, newbufstate);
1181 static void qeth_clear_outq_buffers(struct qeth_qdio_out_q *q, int free)
1185 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
1188 qeth_cleanup_handled_pending(q, j, 1);
1189 qeth_clear_output_buffer(q, q->bufs[j], QETH_QDIO_BUF_EMPTY);
1191 kmem_cache_free(qeth_qdio_outbuf_cache, q->bufs[j]);
1197 void qeth_clear_qdio_buffers(struct qeth_card *card)
1201 QETH_CARD_TEXT(card, 2, "clearqdbf");
1202 /* clear outbound buffers to free skbs */
1203 for (i = 0; i < card->qdio.no_out_queues; ++i) {
1204 if (card->qdio.out_qs[i]) {
1205 qeth_clear_outq_buffers(card->qdio.out_qs[i], 0);
1209 EXPORT_SYMBOL_GPL(qeth_clear_qdio_buffers);
1211 static void qeth_free_buffer_pool(struct qeth_card *card)
1213 struct qeth_buffer_pool_entry *pool_entry, *tmp;
1215 list_for_each_entry_safe(pool_entry, tmp,
1216 &card->qdio.init_pool.entry_list, init_list){
1217 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
1218 free_page((unsigned long)pool_entry->elements[i]);
1219 list_del(&pool_entry->init_list);
1224 static void qeth_free_qdio_buffers(struct qeth_card *card)
1228 if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) ==
1229 QETH_QDIO_UNINITIALIZED)
1233 cancel_delayed_work_sync(&card->buffer_reclaim_work);
1234 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
1235 dev_kfree_skb_any(card->qdio.in_q->bufs[j].rx_skb);
1236 kfree(card->qdio.in_q);
1237 card->qdio.in_q = NULL;
1238 /* inbound buffer pool */
1239 qeth_free_buffer_pool(card);
1240 /* free outbound qdio_qs */
1241 if (card->qdio.out_qs) {
1242 for (i = 0; i < card->qdio.no_out_queues; ++i) {
1243 qeth_clear_outq_buffers(card->qdio.out_qs[i], 1);
1244 kfree(card->qdio.out_qs[i]);
1246 kfree(card->qdio.out_qs);
1247 card->qdio.out_qs = NULL;
1251 static void qeth_clean_channel(struct qeth_channel *channel)
1255 QETH_DBF_TEXT(SETUP, 2, "freech");
1256 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1257 kfree(channel->iob[cnt].data);
1260 static void qeth_get_channel_path_desc(struct qeth_card *card)
1262 struct ccw_device *ccwdev;
1263 struct channelPath_dsc {
1274 QETH_DBF_TEXT(SETUP, 2, "chp_desc");
1276 ccwdev = card->data.ccwdev;
1277 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1278 if (chp_dsc != NULL) {
1279 if (card->info.type != QETH_CARD_TYPE_IQD) {
1280 /* CHPP field bit 6 == 1 -> single queue */
1281 if ((chp_dsc->chpp & 0x02) == 0x02) {
1282 if ((atomic_read(&card->qdio.state) !=
1283 QETH_QDIO_UNINITIALIZED) &&
1284 (card->qdio.no_out_queues == 4))
1285 /* change from 4 to 1 outbound queues */
1286 qeth_free_qdio_buffers(card);
1287 card->qdio.no_out_queues = 1;
1288 if (card->qdio.default_out_queue != 0)
1289 dev_info(&card->gdev->dev,
1290 "Priority Queueing not supported\n");
1291 card->qdio.default_out_queue = 0;
1293 if ((atomic_read(&card->qdio.state) !=
1294 QETH_QDIO_UNINITIALIZED) &&
1295 (card->qdio.no_out_queues == 1)) {
1296 /* change from 1 to 4 outbound queues */
1297 qeth_free_qdio_buffers(card);
1298 card->qdio.default_out_queue = 2;
1300 card->qdio.no_out_queues = 4;
1303 card->info.func_level = 0x4100 + chp_dsc->desc;
1306 QETH_DBF_TEXT_(SETUP, 2, "nr:%x", card->qdio.no_out_queues);
1307 QETH_DBF_TEXT_(SETUP, 2, "lvl:%02x", card->info.func_level);
1311 static void qeth_init_qdio_info(struct qeth_card *card)
1313 QETH_DBF_TEXT(SETUP, 4, "intqdinf");
1314 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
1316 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
1317 if (card->info.type == QETH_CARD_TYPE_IQD)
1318 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_HSDEFAULT;
1320 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
1321 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
1322 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
1323 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
1326 static void qeth_set_intial_options(struct qeth_card *card)
1328 card->options.route4.type = NO_ROUTER;
1329 card->options.route6.type = NO_ROUTER;
1330 card->options.fake_broadcast = 0;
1331 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1332 card->options.performance_stats = 0;
1333 card->options.rx_sg_cb = QETH_RX_SG_CB;
1334 card->options.isolation = ISOLATION_MODE_NONE;
1335 card->options.cq = QETH_CQ_DISABLED;
1338 static int qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1340 unsigned long flags;
1343 spin_lock_irqsave(&card->thread_mask_lock, flags);
1344 QETH_CARD_TEXT_(card, 4, " %02x%02x%02x",
1345 (u8) card->thread_start_mask,
1346 (u8) card->thread_allowed_mask,
1347 (u8) card->thread_running_mask);
1348 rc = (card->thread_start_mask & thread);
1349 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1353 static void qeth_start_kernel_thread(struct work_struct *work)
1355 struct task_struct *ts;
1356 struct qeth_card *card = container_of(work, struct qeth_card,
1357 kernel_thread_starter);
1358 QETH_CARD_TEXT(card , 2, "strthrd");
1360 if (card->read.state != CH_STATE_UP &&
1361 card->write.state != CH_STATE_UP)
1363 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) {
1364 ts = kthread_run(card->discipline->recover, (void *)card,
1367 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
1368 qeth_clear_thread_running_bit(card,
1369 QETH_RECOVER_THREAD);
1374 static int qeth_setup_card(struct qeth_card *card)
1377 QETH_DBF_TEXT(SETUP, 2, "setupcrd");
1378 QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
1380 card->read.state = CH_STATE_DOWN;
1381 card->write.state = CH_STATE_DOWN;
1382 card->data.state = CH_STATE_DOWN;
1383 card->state = CARD_STATE_DOWN;
1384 card->lan_online = 0;
1385 card->read_or_write_problem = 0;
1387 spin_lock_init(&card->vlanlock);
1388 spin_lock_init(&card->mclock);
1389 spin_lock_init(&card->lock);
1390 spin_lock_init(&card->ip_lock);
1391 spin_lock_init(&card->thread_mask_lock);
1392 mutex_init(&card->conf_mutex);
1393 mutex_init(&card->discipline_mutex);
1394 card->thread_start_mask = 0;
1395 card->thread_allowed_mask = 0;
1396 card->thread_running_mask = 0;
1397 INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread);
1398 INIT_LIST_HEAD(&card->ip_list);
1399 INIT_LIST_HEAD(card->ip_tbd_list);
1400 INIT_LIST_HEAD(&card->cmd_waiter_list);
1401 init_waitqueue_head(&card->wait_q);
1402 /* initial options */
1403 qeth_set_intial_options(card);
1404 /* IP address takeover */
1405 INIT_LIST_HEAD(&card->ipato.entries);
1406 card->ipato.enabled = 0;
1407 card->ipato.invert4 = 0;
1408 card->ipato.invert6 = 0;
1409 /* init QDIO stuff */
1410 qeth_init_qdio_info(card);
1411 INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work);
1415 static void qeth_core_sl_print(struct seq_file *m, struct service_level *slr)
1417 struct qeth_card *card = container_of(slr, struct qeth_card,
1418 qeth_service_level);
1419 if (card->info.mcl_level[0])
1420 seq_printf(m, "qeth: %s firmware level %s\n",
1421 CARD_BUS_ID(card), card->info.mcl_level);
1424 static struct qeth_card *qeth_alloc_card(void)
1426 struct qeth_card *card;
1428 QETH_DBF_TEXT(SETUP, 2, "alloccrd");
1429 card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
1432 QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
1433 card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_KERNEL);
1434 if (!card->ip_tbd_list) {
1435 QETH_DBF_TEXT(SETUP, 0, "iptbdnom");
1438 if (qeth_setup_channel(&card->read))
1440 if (qeth_setup_channel(&card->write))
1442 card->options.layer2 = -1;
1443 card->qeth_service_level.seq_print = qeth_core_sl_print;
1444 register_service_level(&card->qeth_service_level);
1448 qeth_clean_channel(&card->read);
1450 kfree(card->ip_tbd_list);
1457 static int qeth_determine_card_type(struct qeth_card *card)
1461 QETH_DBF_TEXT(SETUP, 2, "detcdtyp");
1463 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1464 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1465 while (known_devices[i][QETH_DEV_MODEL_IND]) {
1466 if ((CARD_RDEV(card)->id.dev_type ==
1467 known_devices[i][QETH_DEV_TYPE_IND]) &&
1468 (CARD_RDEV(card)->id.dev_model ==
1469 known_devices[i][QETH_DEV_MODEL_IND])) {
1470 card->info.type = known_devices[i][QETH_DEV_MODEL_IND];
1471 card->qdio.no_out_queues =
1472 known_devices[i][QETH_QUEUE_NO_IND];
1473 card->qdio.no_in_queues = 1;
1474 card->info.is_multicast_different =
1475 known_devices[i][QETH_MULTICAST_IND];
1476 qeth_get_channel_path_desc(card);
1481 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1482 dev_err(&card->gdev->dev, "The adapter hardware is of an "
1487 static int qeth_clear_channel(struct qeth_channel *channel)
1489 unsigned long flags;
1490 struct qeth_card *card;
1493 card = CARD_FROM_CDEV(channel->ccwdev);
1494 QETH_CARD_TEXT(card, 3, "clearch");
1495 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1496 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
1497 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1501 rc = wait_event_interruptible_timeout(card->wait_q,
1502 channel->state == CH_STATE_STOPPED, QETH_TIMEOUT);
1503 if (rc == -ERESTARTSYS)
1505 if (channel->state != CH_STATE_STOPPED)
1507 channel->state = CH_STATE_DOWN;
1511 static int qeth_halt_channel(struct qeth_channel *channel)
1513 unsigned long flags;
1514 struct qeth_card *card;
1517 card = CARD_FROM_CDEV(channel->ccwdev);
1518 QETH_CARD_TEXT(card, 3, "haltch");
1519 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1520 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
1521 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1525 rc = wait_event_interruptible_timeout(card->wait_q,
1526 channel->state == CH_STATE_HALTED, QETH_TIMEOUT);
1527 if (rc == -ERESTARTSYS)
1529 if (channel->state != CH_STATE_HALTED)
1534 static int qeth_halt_channels(struct qeth_card *card)
1536 int rc1 = 0, rc2 = 0, rc3 = 0;
1538 QETH_CARD_TEXT(card, 3, "haltchs");
1539 rc1 = qeth_halt_channel(&card->read);
1540 rc2 = qeth_halt_channel(&card->write);
1541 rc3 = qeth_halt_channel(&card->data);
1549 static int qeth_clear_channels(struct qeth_card *card)
1551 int rc1 = 0, rc2 = 0, rc3 = 0;
1553 QETH_CARD_TEXT(card, 3, "clearchs");
1554 rc1 = qeth_clear_channel(&card->read);
1555 rc2 = qeth_clear_channel(&card->write);
1556 rc3 = qeth_clear_channel(&card->data);
1564 static int qeth_clear_halt_card(struct qeth_card *card, int halt)
1568 QETH_CARD_TEXT(card, 3, "clhacrd");
1571 rc = qeth_halt_channels(card);
1574 return qeth_clear_channels(card);
1577 int qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
1581 QETH_CARD_TEXT(card, 3, "qdioclr");
1582 switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED,
1583 QETH_QDIO_CLEANING)) {
1584 case QETH_QDIO_ESTABLISHED:
1585 if (card->info.type == QETH_CARD_TYPE_IQD)
1586 rc = qdio_shutdown(CARD_DDEV(card),
1587 QDIO_FLAG_CLEANUP_USING_HALT);
1589 rc = qdio_shutdown(CARD_DDEV(card),
1590 QDIO_FLAG_CLEANUP_USING_CLEAR);
1592 QETH_CARD_TEXT_(card, 3, "1err%d", rc);
1593 qdio_free(CARD_DDEV(card));
1594 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
1596 case QETH_QDIO_CLEANING:
1601 rc = qeth_clear_halt_card(card, use_halt);
1603 QETH_CARD_TEXT_(card, 3, "2err%d", rc);
1604 card->state = CARD_STATE_DOWN;
1607 EXPORT_SYMBOL_GPL(qeth_qdio_clear_card);
1609 static int qeth_read_conf_data(struct qeth_card *card, void **buffer,
1615 struct qeth_channel *channel = &card->data;
1616 unsigned long flags;
1619 * scan for RCD command in extended SenseID data
1621 ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD);
1622 if (!ciw || ciw->cmd == 0)
1624 rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
1628 channel->ccw.cmd_code = ciw->cmd;
1629 channel->ccw.cda = (__u32) __pa(rcd_buf);
1630 channel->ccw.count = ciw->count;
1631 channel->ccw.flags = CCW_FLAG_SLI;
1632 channel->state = CH_STATE_RCD;
1633 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1634 ret = ccw_device_start_timeout(channel->ccwdev, &channel->ccw,
1635 QETH_RCD_PARM, LPM_ANYPATH, 0,
1637 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1639 wait_event(card->wait_q,
1640 (channel->state == CH_STATE_RCD_DONE ||
1641 channel->state == CH_STATE_DOWN));
1642 if (channel->state == CH_STATE_DOWN)
1645 channel->state = CH_STATE_DOWN;
1651 *length = ciw->count;
1657 static void qeth_configure_unitaddr(struct qeth_card *card, char *prcd)
1659 QETH_DBF_TEXT(SETUP, 2, "cfgunit");
1660 card->info.chpid = prcd[30];
1661 card->info.unit_addr2 = prcd[31];
1662 card->info.cula = prcd[63];
1663 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1664 (prcd[0x11] == _ascebc['M']));
1667 static void qeth_configure_blkt_default(struct qeth_card *card, char *prcd)
1669 QETH_DBF_TEXT(SETUP, 2, "cfgblkt");
1671 if (prcd[74] == 0xF0 && prcd[75] == 0xF0 &&
1672 (prcd[76] == 0xF5 || prcd[76] == 0xF6)) {
1673 card->info.blkt.time_total = 250;
1674 card->info.blkt.inter_packet = 5;
1675 card->info.blkt.inter_packet_jumbo = 15;
1677 card->info.blkt.time_total = 0;
1678 card->info.blkt.inter_packet = 0;
1679 card->info.blkt.inter_packet_jumbo = 0;
1683 static void qeth_init_tokens(struct qeth_card *card)
1685 card->token.issuer_rm_w = 0x00010103UL;
1686 card->token.cm_filter_w = 0x00010108UL;
1687 card->token.cm_connection_w = 0x0001010aUL;
1688 card->token.ulp_filter_w = 0x0001010bUL;
1689 card->token.ulp_connection_w = 0x0001010dUL;
1692 static void qeth_init_func_level(struct qeth_card *card)
1694 switch (card->info.type) {
1695 case QETH_CARD_TYPE_IQD:
1696 card->info.func_level = QETH_IDX_FUNC_LEVEL_IQD;
1698 case QETH_CARD_TYPE_OSD:
1699 case QETH_CARD_TYPE_OSN:
1700 card->info.func_level = QETH_IDX_FUNC_LEVEL_OSD;
1707 static int qeth_idx_activate_get_answer(struct qeth_channel *channel,
1708 void (*idx_reply_cb)(struct qeth_channel *,
1709 struct qeth_cmd_buffer *))
1711 struct qeth_cmd_buffer *iob;
1712 unsigned long flags;
1714 struct qeth_card *card;
1716 QETH_DBF_TEXT(SETUP, 2, "idxanswr");
1717 card = CARD_FROM_CDEV(channel->ccwdev);
1718 iob = qeth_get_buffer(channel);
1719 iob->callback = idx_reply_cb;
1720 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1721 channel->ccw.count = QETH_BUFSIZE;
1722 channel->ccw.cda = (__u32) __pa(iob->data);
1724 wait_event(card->wait_q,
1725 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1726 QETH_DBF_TEXT(SETUP, 6, "noirqpnd");
1727 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1728 rc = ccw_device_start(channel->ccwdev,
1729 &channel->ccw, (addr_t) iob, 0, 0);
1730 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1733 QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc);
1734 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
1735 atomic_set(&channel->irq_pending, 0);
1736 wake_up(&card->wait_q);
1739 rc = wait_event_interruptible_timeout(card->wait_q,
1740 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1741 if (rc == -ERESTARTSYS)
1743 if (channel->state != CH_STATE_UP) {
1745 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
1746 qeth_clear_cmd_buffers(channel);
1752 static int qeth_idx_activate_channel(struct qeth_channel *channel,
1753 void (*idx_reply_cb)(struct qeth_channel *,
1754 struct qeth_cmd_buffer *))
1756 struct qeth_card *card;
1757 struct qeth_cmd_buffer *iob;
1758 unsigned long flags;
1762 struct ccw_dev_id temp_devid;
1764 card = CARD_FROM_CDEV(channel->ccwdev);
1766 QETH_DBF_TEXT(SETUP, 2, "idxactch");
1768 iob = qeth_get_buffer(channel);
1769 iob->callback = idx_reply_cb;
1770 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1771 channel->ccw.count = IDX_ACTIVATE_SIZE;
1772 channel->ccw.cda = (__u32) __pa(iob->data);
1773 if (channel == &card->write) {
1774 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1775 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1776 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1777 card->seqno.trans_hdr++;
1779 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1780 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1781 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1783 tmp = ((__u8)card->info.portno) | 0x80;
1784 memcpy(QETH_IDX_ACT_PNO(iob->data), &tmp, 1);
1785 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1786 &card->token.issuer_rm_w, QETH_MPC_TOKEN_LENGTH);
1787 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1788 &card->info.func_level, sizeof(__u16));
1789 ccw_device_get_id(CARD_DDEV(card), &temp_devid);
1790 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp_devid.devno, 2);
1791 temp = (card->info.cula << 8) + card->info.unit_addr2;
1792 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1794 wait_event(card->wait_q,
1795 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1796 QETH_DBF_TEXT(SETUP, 6, "noirqpnd");
1797 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1798 rc = ccw_device_start(channel->ccwdev,
1799 &channel->ccw, (addr_t) iob, 0, 0);
1800 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1803 QETH_DBF_MESSAGE(2, "Error1 in activating channel. rc=%d\n",
1805 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
1806 atomic_set(&channel->irq_pending, 0);
1807 wake_up(&card->wait_q);
1810 rc = wait_event_interruptible_timeout(card->wait_q,
1811 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1812 if (rc == -ERESTARTSYS)
1814 if (channel->state != CH_STATE_ACTIVATING) {
1815 dev_warn(&channel->ccwdev->dev, "The qeth device driver"
1816 " failed to recover an error on the device\n");
1817 QETH_DBF_MESSAGE(2, "%s IDX activate timed out\n",
1818 dev_name(&channel->ccwdev->dev));
1819 QETH_DBF_TEXT_(SETUP, 2, "2err%d", -ETIME);
1820 qeth_clear_cmd_buffers(channel);
1823 return qeth_idx_activate_get_answer(channel, idx_reply_cb);
1826 static int qeth_peer_func_level(int level)
1828 if ((level & 0xff) == 8)
1829 return (level & 0xff) + 0x400;
1830 if (((level >> 8) & 3) == 1)
1831 return (level & 0xff) + 0x200;
1835 static void qeth_idx_write_cb(struct qeth_channel *channel,
1836 struct qeth_cmd_buffer *iob)
1838 struct qeth_card *card;
1841 QETH_DBF_TEXT(SETUP , 2, "idxwrcb");
1843 if (channel->state == CH_STATE_DOWN) {
1844 channel->state = CH_STATE_ACTIVATING;
1847 card = CARD_FROM_CDEV(channel->ccwdev);
1849 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1850 if (QETH_IDX_ACT_CAUSE_CODE(iob->data) == QETH_IDX_ACT_ERR_EXCL)
1851 dev_err(&card->write.ccwdev->dev,
1852 "The adapter is used exclusively by another "
1855 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel:"
1856 " negative reply\n",
1857 dev_name(&card->write.ccwdev->dev));
1860 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1861 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1862 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel: "
1863 "function level mismatch (sent: 0x%x, received: "
1864 "0x%x)\n", dev_name(&card->write.ccwdev->dev),
1865 card->info.func_level, temp);
1868 channel->state = CH_STATE_UP;
1870 qeth_release_buffer(channel, iob);
1873 static void qeth_idx_read_cb(struct qeth_channel *channel,
1874 struct qeth_cmd_buffer *iob)
1876 struct qeth_card *card;
1879 QETH_DBF_TEXT(SETUP , 2, "idxrdcb");
1880 if (channel->state == CH_STATE_DOWN) {
1881 channel->state = CH_STATE_ACTIVATING;
1885 card = CARD_FROM_CDEV(channel->ccwdev);
1886 if (qeth_check_idx_response(card, iob->data))
1889 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1890 switch (QETH_IDX_ACT_CAUSE_CODE(iob->data)) {
1891 case QETH_IDX_ACT_ERR_EXCL:
1892 dev_err(&card->write.ccwdev->dev,
1893 "The adapter is used exclusively by another "
1896 case QETH_IDX_ACT_ERR_AUTH:
1897 case QETH_IDX_ACT_ERR_AUTH_USER:
1898 dev_err(&card->read.ccwdev->dev,
1899 "Setting the device online failed because of "
1900 "insufficient authorization\n");
1903 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel:"
1904 " negative reply\n",
1905 dev_name(&card->read.ccwdev->dev));
1907 QETH_CARD_TEXT_(card, 2, "idxread%c",
1908 QETH_IDX_ACT_CAUSE_CODE(iob->data));
1913 * * temporary fix for microcode bug
1914 * * to revert it,replace OR by AND
1916 if ((!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1917 (card->info.type == QETH_CARD_TYPE_OSD))
1918 card->info.portname_required = 1;
1920 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1921 if (temp != qeth_peer_func_level(card->info.func_level)) {
1922 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel: function "
1923 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1924 dev_name(&card->read.ccwdev->dev),
1925 card->info.func_level, temp);
1928 memcpy(&card->token.issuer_rm_r,
1929 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1930 QETH_MPC_TOKEN_LENGTH);
1931 memcpy(&card->info.mcl_level[0],
1932 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1933 channel->state = CH_STATE_UP;
1935 qeth_release_buffer(channel, iob);
1938 void qeth_prepare_control_data(struct qeth_card *card, int len,
1939 struct qeth_cmd_buffer *iob)
1941 qeth_setup_ccw(&card->write, iob->data, len);
1942 iob->callback = qeth_release_buffer;
1944 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1945 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1946 card->seqno.trans_hdr++;
1947 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1948 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1949 card->seqno.pdu_hdr++;
1950 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1951 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1952 QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN);
1954 EXPORT_SYMBOL_GPL(qeth_prepare_control_data);
1956 int qeth_send_control_data(struct qeth_card *card, int len,
1957 struct qeth_cmd_buffer *iob,
1958 int (*reply_cb)(struct qeth_card *, struct qeth_reply *,
1963 unsigned long flags;
1964 struct qeth_reply *reply = NULL;
1965 unsigned long timeout, event_timeout;
1966 struct qeth_ipa_cmd *cmd;
1968 QETH_CARD_TEXT(card, 2, "sendctl");
1970 if (card->read_or_write_problem) {
1971 qeth_release_buffer(iob->channel, iob);
1974 reply = qeth_alloc_reply(card);
1978 reply->callback = reply_cb;
1979 reply->param = reply_param;
1980 if (card->state == CARD_STATE_DOWN)
1981 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1983 reply->seqno = card->seqno.ipa++;
1984 init_waitqueue_head(&reply->wait_q);
1985 spin_lock_irqsave(&card->lock, flags);
1986 list_add_tail(&reply->list, &card->cmd_waiter_list);
1987 spin_unlock_irqrestore(&card->lock, flags);
1988 QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN);
1990 while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ;
1991 qeth_prepare_control_data(card, len, iob);
1993 if (IS_IPA(iob->data))
1994 event_timeout = QETH_IPA_TIMEOUT;
1996 event_timeout = QETH_TIMEOUT;
1997 timeout = jiffies + event_timeout;
1999 QETH_CARD_TEXT(card, 6, "noirqpnd");
2000 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
2001 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
2002 (addr_t) iob, 0, 0);
2003 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
2005 QETH_DBF_MESSAGE(2, "%s qeth_send_control_data: "
2006 "ccw_device_start rc = %i\n",
2007 dev_name(&card->write.ccwdev->dev), rc);
2008 QETH_CARD_TEXT_(card, 2, " err%d", rc);
2009 spin_lock_irqsave(&card->lock, flags);
2010 list_del_init(&reply->list);
2011 qeth_put_reply(reply);
2012 spin_unlock_irqrestore(&card->lock, flags);
2013 qeth_release_buffer(iob->channel, iob);
2014 atomic_set(&card->write.irq_pending, 0);
2015 wake_up(&card->wait_q);
2019 /* we have only one long running ipassist, since we can ensure
2020 process context of this command we can sleep */
2021 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2022 if ((cmd->hdr.command == IPA_CMD_SETIP) &&
2023 (cmd->hdr.prot_version == QETH_PROT_IPV4)) {
2024 if (!wait_event_timeout(reply->wait_q,
2025 atomic_read(&reply->received), event_timeout))
2028 while (!atomic_read(&reply->received)) {
2029 if (time_after(jiffies, timeout))
2035 if (reply->rc == -EIO)
2038 qeth_put_reply(reply);
2043 spin_lock_irqsave(&reply->card->lock, flags);
2044 list_del_init(&reply->list);
2045 spin_unlock_irqrestore(&reply->card->lock, flags);
2046 atomic_inc(&reply->received);
2048 atomic_set(&card->write.irq_pending, 0);
2049 qeth_release_buffer(iob->channel, iob);
2050 card->write.buf_no = (card->write.buf_no + 1) % QETH_CMD_BUFFER_NO;
2052 qeth_put_reply(reply);
2055 EXPORT_SYMBOL_GPL(qeth_send_control_data);
2057 static int qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2060 struct qeth_cmd_buffer *iob;
2062 QETH_DBF_TEXT(SETUP, 2, "cmenblcb");
2064 iob = (struct qeth_cmd_buffer *) data;
2065 memcpy(&card->token.cm_filter_r,
2066 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2067 QETH_MPC_TOKEN_LENGTH);
2068 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2072 static int qeth_cm_enable(struct qeth_card *card)
2075 struct qeth_cmd_buffer *iob;
2077 QETH_DBF_TEXT(SETUP, 2, "cmenable");
2079 iob = qeth_wait_for_buffer(&card->write);
2080 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2081 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2082 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2083 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2084 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2086 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2087 qeth_cm_enable_cb, NULL);
2091 static int qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2095 struct qeth_cmd_buffer *iob;
2097 QETH_DBF_TEXT(SETUP, 2, "cmsetpcb");
2099 iob = (struct qeth_cmd_buffer *) data;
2100 memcpy(&card->token.cm_connection_r,
2101 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2102 QETH_MPC_TOKEN_LENGTH);
2103 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2107 static int qeth_cm_setup(struct qeth_card *card)
2110 struct qeth_cmd_buffer *iob;
2112 QETH_DBF_TEXT(SETUP, 2, "cmsetup");
2114 iob = qeth_wait_for_buffer(&card->write);
2115 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2116 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2117 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2118 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2119 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2120 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2121 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2122 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2123 qeth_cm_setup_cb, NULL);
2128 static inline int qeth_get_initial_mtu_for_card(struct qeth_card *card)
2130 switch (card->info.type) {
2131 case QETH_CARD_TYPE_UNKNOWN:
2133 case QETH_CARD_TYPE_IQD:
2134 return card->info.max_mtu;
2135 case QETH_CARD_TYPE_OSD:
2136 switch (card->info.link_type) {
2137 case QETH_LINK_TYPE_HSTR:
2138 case QETH_LINK_TYPE_LANE_TR:
2143 case QETH_CARD_TYPE_OSM:
2144 case QETH_CARD_TYPE_OSX:
2151 static inline int qeth_get_mtu_outof_framesize(int framesize)
2153 switch (framesize) {
2167 static inline int qeth_mtu_is_valid(struct qeth_card *card, int mtu)
2169 switch (card->info.type) {
2170 case QETH_CARD_TYPE_OSD:
2171 case QETH_CARD_TYPE_OSM:
2172 case QETH_CARD_TYPE_OSX:
2173 case QETH_CARD_TYPE_IQD:
2174 return ((mtu >= 576) &&
2175 (mtu <= card->info.max_mtu));
2176 case QETH_CARD_TYPE_OSN:
2177 case QETH_CARD_TYPE_UNKNOWN:
2183 static int qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2187 __u16 mtu, framesize;
2190 struct qeth_cmd_buffer *iob;
2192 QETH_DBF_TEXT(SETUP, 2, "ulpenacb");
2194 iob = (struct qeth_cmd_buffer *) data;
2195 memcpy(&card->token.ulp_filter_r,
2196 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2197 QETH_MPC_TOKEN_LENGTH);
2198 if (card->info.type == QETH_CARD_TYPE_IQD) {
2199 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2200 mtu = qeth_get_mtu_outof_framesize(framesize);
2203 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2206 if (card->info.initial_mtu && (card->info.initial_mtu != mtu)) {
2207 /* frame size has changed */
2209 ((card->dev->mtu == card->info.initial_mtu) ||
2210 (card->dev->mtu > mtu)))
2211 card->dev->mtu = mtu;
2212 qeth_free_qdio_buffers(card);
2214 card->info.initial_mtu = mtu;
2215 card->info.max_mtu = mtu;
2216 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2218 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2219 card->info.max_mtu = *(__u16 *)QETH_ULP_ENABLE_RESP_MAX_MTU(
2221 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2224 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2225 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2227 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2228 card->info.link_type = link_type;
2230 card->info.link_type = 0;
2231 QETH_DBF_TEXT_(SETUP, 2, "link%d", card->info.link_type);
2232 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2236 static int qeth_ulp_enable(struct qeth_card *card)
2240 struct qeth_cmd_buffer *iob;
2242 /*FIXME: trace view callbacks*/
2243 QETH_DBF_TEXT(SETUP, 2, "ulpenabl");
2245 iob = qeth_wait_for_buffer(&card->write);
2246 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2248 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2249 (__u8) card->info.portno;
2250 if (card->options.layer2)
2251 if (card->info.type == QETH_CARD_TYPE_OSN)
2252 prot_type = QETH_PROT_OSN2;
2254 prot_type = QETH_PROT_LAYER2;
2256 prot_type = QETH_PROT_TCPIP;
2258 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data), &prot_type, 1);
2259 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2260 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2261 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2262 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2263 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2264 card->info.portname, 9);
2265 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2266 qeth_ulp_enable_cb, NULL);
2271 static int qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2274 struct qeth_cmd_buffer *iob;
2277 QETH_DBF_TEXT(SETUP, 2, "ulpstpcb");
2279 iob = (struct qeth_cmd_buffer *) data;
2280 memcpy(&card->token.ulp_connection_r,
2281 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2282 QETH_MPC_TOKEN_LENGTH);
2283 if (!strncmp("00S", QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2285 QETH_DBF_TEXT(SETUP, 2, "olmlimit");
2286 dev_err(&card->gdev->dev, "A connection could not be "
2287 "established because of an OLM limit\n");
2290 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2294 static int qeth_ulp_setup(struct qeth_card *card)
2298 struct qeth_cmd_buffer *iob;
2299 struct ccw_dev_id dev_id;
2301 QETH_DBF_TEXT(SETUP, 2, "ulpsetup");
2303 iob = qeth_wait_for_buffer(&card->write);
2304 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2306 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2307 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2308 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2309 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2310 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2311 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2313 ccw_device_get_id(CARD_DDEV(card), &dev_id);
2314 memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2);
2315 temp = (card->info.cula << 8) + card->info.unit_addr2;
2316 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2317 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2318 qeth_ulp_setup_cb, NULL);
2322 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *q, int bidx)
2325 struct qeth_qdio_out_buffer *newbuf;
2328 newbuf = kmem_cache_zalloc(qeth_qdio_outbuf_cache, GFP_ATOMIC);
2333 newbuf->buffer = &q->qdio_bufs[bidx];
2334 skb_queue_head_init(&newbuf->skb_list);
2335 lockdep_set_class(&newbuf->skb_list.lock, &qdio_out_skb_queue_key);
2338 newbuf->next_pending = q->bufs[bidx];
2339 atomic_set(&newbuf->state, QETH_QDIO_BUF_EMPTY);
2340 q->bufs[bidx] = newbuf;
2342 q->bufstates[bidx].user = newbuf;
2343 QETH_CARD_TEXT_(q->card, 2, "nbs%d", bidx);
2344 QETH_CARD_TEXT_(q->card, 2, "%lx", (long) newbuf);
2345 QETH_CARD_TEXT_(q->card, 2, "%lx",
2346 (long) newbuf->next_pending);
2353 static int qeth_alloc_qdio_buffers(struct qeth_card *card)
2357 QETH_DBF_TEXT(SETUP, 2, "allcqdbf");
2359 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
2360 QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
2363 card->qdio.in_q = kzalloc(sizeof(struct qeth_qdio_q),
2365 if (!card->qdio.in_q)
2367 QETH_DBF_TEXT(SETUP, 2, "inq");
2368 QETH_DBF_HEX(SETUP, 2, &card->qdio.in_q, sizeof(void *));
2369 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
2370 /* give inbound qeth_qdio_buffers their qdio_buffers */
2371 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
2372 card->qdio.in_q->bufs[i].buffer =
2373 &card->qdio.in_q->qdio_bufs[i];
2374 card->qdio.in_q->bufs[i].rx_skb = NULL;
2376 /* inbound buffer pool */
2377 if (qeth_alloc_buffer_pool(card))
2382 kzalloc(card->qdio.no_out_queues *
2383 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
2384 if (!card->qdio.out_qs)
2386 for (i = 0; i < card->qdio.no_out_queues; ++i) {
2387 card->qdio.out_qs[i] = kzalloc(sizeof(struct qeth_qdio_out_q),
2389 if (!card->qdio.out_qs[i])
2391 QETH_DBF_TEXT_(SETUP, 2, "outq %i", i);
2392 QETH_DBF_HEX(SETUP, 2, &card->qdio.out_qs[i], sizeof(void *));
2393 card->qdio.out_qs[i]->queue_no = i;
2394 /* give outbound qeth_qdio_buffers their qdio_buffers */
2395 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
2396 BUG_ON(card->qdio.out_qs[i]->bufs[j] != NULL);
2397 if (qeth_init_qdio_out_buf(card->qdio.out_qs[i], j))
2398 goto out_freeoutqbufs;
2403 if (qeth_alloc_cq(card))
2411 kmem_cache_free(qeth_qdio_outbuf_cache,
2412 card->qdio.out_qs[i]->bufs[j]);
2413 card->qdio.out_qs[i]->bufs[j] = NULL;
2417 kfree(card->qdio.out_qs[--i]);
2418 qeth_clear_outq_buffers(card->qdio.out_qs[i], 1);
2420 kfree(card->qdio.out_qs);
2421 card->qdio.out_qs = NULL;
2423 qeth_free_buffer_pool(card);
2425 kfree(card->qdio.in_q);
2426 card->qdio.in_q = NULL;
2428 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
2432 static void qeth_create_qib_param_field(struct qeth_card *card,
2436 param_field[0] = _ascebc['P'];
2437 param_field[1] = _ascebc['C'];
2438 param_field[2] = _ascebc['I'];
2439 param_field[3] = _ascebc['T'];
2440 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
2441 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
2442 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
2445 static void qeth_create_qib_param_field_blkt(struct qeth_card *card,
2448 param_field[16] = _ascebc['B'];
2449 param_field[17] = _ascebc['L'];
2450 param_field[18] = _ascebc['K'];
2451 param_field[19] = _ascebc['T'];
2452 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
2453 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
2454 *((unsigned int *) (¶m_field[28])) =
2455 card->info.blkt.inter_packet_jumbo;
2458 static int qeth_qdio_activate(struct qeth_card *card)
2460 QETH_DBF_TEXT(SETUP, 3, "qdioact");
2461 return qdio_activate(CARD_DDEV(card));
2464 static int qeth_dm_act(struct qeth_card *card)
2467 struct qeth_cmd_buffer *iob;
2469 QETH_DBF_TEXT(SETUP, 2, "dmact");
2471 iob = qeth_wait_for_buffer(&card->write);
2472 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
2474 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
2475 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2476 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
2477 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
2478 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
2482 static int qeth_mpc_initialize(struct qeth_card *card)
2486 QETH_DBF_TEXT(SETUP, 2, "mpcinit");
2488 rc = qeth_issue_next_read(card);
2490 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
2493 rc = qeth_cm_enable(card);
2495 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
2498 rc = qeth_cm_setup(card);
2500 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
2503 rc = qeth_ulp_enable(card);
2505 QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
2508 rc = qeth_ulp_setup(card);
2510 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
2513 rc = qeth_alloc_qdio_buffers(card);
2515 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
2518 rc = qeth_qdio_establish(card);
2520 QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
2521 qeth_free_qdio_buffers(card);
2524 rc = qeth_qdio_activate(card);
2526 QETH_DBF_TEXT_(SETUP, 2, "7err%d", rc);
2529 rc = qeth_dm_act(card);
2531 QETH_DBF_TEXT_(SETUP, 2, "8err%d", rc);
2537 qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
2541 static void qeth_print_status_with_portname(struct qeth_card *card)
2546 sprintf(dbf_text, "%s", card->info.portname + 1);
2547 for (i = 0; i < 8; i++)
2549 (char) _ebcasc[(__u8) dbf_text[i]];
2551 dev_info(&card->gdev->dev, "Device is a%s card%s%s%s\n"
2552 "with link type %s (portname: %s)\n",
2553 qeth_get_cardname(card),
2554 (card->info.mcl_level[0]) ? " (level: " : "",
2555 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
2556 (card->info.mcl_level[0]) ? ")" : "",
2557 qeth_get_cardname_short(card),
2562 static void qeth_print_status_no_portname(struct qeth_card *card)
2564 if (card->info.portname[0])
2565 dev_info(&card->gdev->dev, "Device is a%s "
2566 "card%s%s%s\nwith link type %s "
2567 "(no portname needed by interface).\n",
2568 qeth_get_cardname(card),
2569 (card->info.mcl_level[0]) ? " (level: " : "",
2570 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
2571 (card->info.mcl_level[0]) ? ")" : "",
2572 qeth_get_cardname_short(card));
2574 dev_info(&card->gdev->dev, "Device is a%s "
2575 "card%s%s%s\nwith link type %s.\n",
2576 qeth_get_cardname(card),
2577 (card->info.mcl_level[0]) ? " (level: " : "",
2578 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
2579 (card->info.mcl_level[0]) ? ")" : "",
2580 qeth_get_cardname_short(card));
2583 void qeth_print_status_message(struct qeth_card *card)
2585 switch (card->info.type) {
2586 case QETH_CARD_TYPE_OSD:
2587 case QETH_CARD_TYPE_OSM:
2588 case QETH_CARD_TYPE_OSX:
2589 /* VM will use a non-zero first character
2590 * to indicate a HiperSockets like reporting
2591 * of the level OSA sets the first character to zero
2593 if (!card->info.mcl_level[0]) {
2594 sprintf(card->info.mcl_level, "%02x%02x",
2595 card->info.mcl_level[2],
2596 card->info.mcl_level[3]);
2598 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
2602 case QETH_CARD_TYPE_IQD:
2603 if ((card->info.guestlan) ||
2604 (card->info.mcl_level[0] & 0x80)) {
2605 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
2606 card->info.mcl_level[0]];
2607 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
2608 card->info.mcl_level[1]];
2609 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
2610 card->info.mcl_level[2]];
2611 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
2612 card->info.mcl_level[3]];
2613 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
2617 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
2619 if (card->info.portname_required)
2620 qeth_print_status_with_portname(card);
2622 qeth_print_status_no_portname(card);
2624 EXPORT_SYMBOL_GPL(qeth_print_status_message);
2626 static void qeth_initialize_working_pool_list(struct qeth_card *card)
2628 struct qeth_buffer_pool_entry *entry;
2630 QETH_CARD_TEXT(card, 5, "inwrklst");
2632 list_for_each_entry(entry,
2633 &card->qdio.init_pool.entry_list, init_list) {
2634 qeth_put_buffer_pool_entry(card, entry);
2638 static inline struct qeth_buffer_pool_entry *qeth_find_free_buffer_pool_entry(
2639 struct qeth_card *card)
2641 struct list_head *plh;
2642 struct qeth_buffer_pool_entry *entry;
2646 if (list_empty(&card->qdio.in_buf_pool.entry_list))
2649 list_for_each(plh, &card->qdio.in_buf_pool.entry_list) {
2650 entry = list_entry(plh, struct qeth_buffer_pool_entry, list);
2652 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2653 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2659 list_del_init(&entry->list);
2664 /* no free buffer in pool so take first one and swap pages */
2665 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2666 struct qeth_buffer_pool_entry, list);
2667 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2668 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2669 page = alloc_page(GFP_ATOMIC);
2673 free_page((unsigned long)entry->elements[i]);
2674 entry->elements[i] = page_address(page);
2675 if (card->options.performance_stats)
2676 card->perf_stats.sg_alloc_page_rx++;
2680 list_del_init(&entry->list);
2684 static int qeth_init_input_buffer(struct qeth_card *card,
2685 struct qeth_qdio_buffer *buf)
2687 struct qeth_buffer_pool_entry *pool_entry;
2690 if ((card->options.cq == QETH_CQ_ENABLED) && (!buf->rx_skb)) {
2691 buf->rx_skb = dev_alloc_skb(QETH_RX_PULL_LEN + ETH_HLEN);
2696 pool_entry = qeth_find_free_buffer_pool_entry(card);
2701 * since the buffer is accessed only from the input_tasklet
2702 * there shouldn't be a need to synchronize; also, since we use
2703 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2707 buf->pool_entry = pool_entry;
2708 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2709 buf->buffer->element[i].length = PAGE_SIZE;
2710 buf->buffer->element[i].addr = pool_entry->elements[i];
2711 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2712 buf->buffer->element[i].eflags = SBAL_EFLAGS_LAST_ENTRY;
2714 buf->buffer->element[i].eflags = 0;
2715 buf->buffer->element[i].sflags = 0;
2720 int qeth_init_qdio_queues(struct qeth_card *card)
2725 QETH_DBF_TEXT(SETUP, 2, "initqdqs");
2728 memset(card->qdio.in_q->qdio_bufs, 0,
2729 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
2730 qeth_initialize_working_pool_list(card);
2731 /*give only as many buffers to hardware as we have buffer pool entries*/
2732 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
2733 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
2734 card->qdio.in_q->next_buf_to_init =
2735 card->qdio.in_buf_pool.buf_count - 1;
2736 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
2737 card->qdio.in_buf_pool.buf_count - 1);
2739 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
2744 rc = qeth_cq_init(card);
2749 /* outbound queue */
2750 for (i = 0; i < card->qdio.no_out_queues; ++i) {
2751 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
2752 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
2753 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
2754 qeth_clear_output_buffer(card->qdio.out_qs[i],
2755 card->qdio.out_qs[i]->bufs[j],
2756 QETH_QDIO_BUF_EMPTY);
2758 card->qdio.out_qs[i]->card = card;
2759 card->qdio.out_qs[i]->next_buf_to_fill = 0;
2760 card->qdio.out_qs[i]->do_pack = 0;
2761 atomic_set(&card->qdio.out_qs[i]->used_buffers, 0);
2762 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
2763 atomic_set(&card->qdio.out_qs[i]->state,
2764 QETH_OUT_Q_UNLOCKED);
2768 EXPORT_SYMBOL_GPL(qeth_init_qdio_queues);
2770 static inline __u8 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
2772 switch (link_type) {
2773 case QETH_LINK_TYPE_HSTR:
2780 static void qeth_fill_ipacmd_header(struct qeth_card *card,
2781 struct qeth_ipa_cmd *cmd, __u8 command,
2782 enum qeth_prot_versions prot)
2784 memset(cmd, 0, sizeof(struct qeth_ipa_cmd));
2785 cmd->hdr.command = command;
2786 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
2787 cmd->hdr.seqno = card->seqno.ipa;
2788 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
2789 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
2790 if (card->options.layer2)
2791 cmd->hdr.prim_version_no = 2;
2793 cmd->hdr.prim_version_no = 1;
2794 cmd->hdr.param_count = 1;
2795 cmd->hdr.prot_version = prot;
2796 cmd->hdr.ipa_supported = 0;
2797 cmd->hdr.ipa_enabled = 0;
2800 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *card,
2801 enum qeth_ipa_cmds ipacmd, enum qeth_prot_versions prot)
2803 struct qeth_cmd_buffer *iob;
2804 struct qeth_ipa_cmd *cmd;
2806 iob = qeth_wait_for_buffer(&card->write);
2807 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2808 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
2812 EXPORT_SYMBOL_GPL(qeth_get_ipacmd_buffer);
2814 void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
2817 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
2818 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data), &prot_type, 1);
2819 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
2820 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
2822 EXPORT_SYMBOL_GPL(qeth_prepare_ipa_cmd);
2824 int qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
2825 int (*reply_cb)(struct qeth_card *, struct qeth_reply*,
2832 QETH_CARD_TEXT(card, 4, "sendipa");
2834 if (card->options.layer2)
2835 if (card->info.type == QETH_CARD_TYPE_OSN)
2836 prot_type = QETH_PROT_OSN2;
2838 prot_type = QETH_PROT_LAYER2;
2840 prot_type = QETH_PROT_TCPIP;
2841 qeth_prepare_ipa_cmd(card, iob, prot_type);
2842 rc = qeth_send_control_data(card, IPA_CMD_LENGTH,
2843 iob, reply_cb, reply_param);
2845 qeth_clear_ipacmd_list(card);
2846 qeth_schedule_recovery(card);
2850 EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd);
2852 int qeth_send_startlan(struct qeth_card *card)
2855 struct qeth_cmd_buffer *iob;
2857 QETH_DBF_TEXT(SETUP, 2, "strtlan");
2859 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_STARTLAN, 0);
2860 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
2863 EXPORT_SYMBOL_GPL(qeth_send_startlan);
2865 int qeth_default_setadapterparms_cb(struct qeth_card *card,
2866 struct qeth_reply *reply, unsigned long data)
2868 struct qeth_ipa_cmd *cmd;
2870 QETH_CARD_TEXT(card, 4, "defadpcb");
2872 cmd = (struct qeth_ipa_cmd *) data;
2873 if (cmd->hdr.return_code == 0)
2874 cmd->hdr.return_code =
2875 cmd->data.setadapterparms.hdr.return_code;
2878 EXPORT_SYMBOL_GPL(qeth_default_setadapterparms_cb);
2880 static int qeth_query_setadapterparms_cb(struct qeth_card *card,
2881 struct qeth_reply *reply, unsigned long data)
2883 struct qeth_ipa_cmd *cmd;
2885 QETH_CARD_TEXT(card, 3, "quyadpcb");
2887 cmd = (struct qeth_ipa_cmd *) data;
2888 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) {
2889 card->info.link_type =
2890 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
2891 QETH_DBF_TEXT_(SETUP, 2, "lnk %d", card->info.link_type);
2893 card->options.adp.supported_funcs =
2894 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
2895 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
2898 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card,
2899 __u32 command, __u32 cmdlen)
2901 struct qeth_cmd_buffer *iob;
2902 struct qeth_ipa_cmd *cmd;
2904 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETADAPTERPARMS,
2906 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2907 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
2908 cmd->data.setadapterparms.hdr.command_code = command;
2909 cmd->data.setadapterparms.hdr.used_total = 1;
2910 cmd->data.setadapterparms.hdr.seq_no = 1;
2914 EXPORT_SYMBOL_GPL(qeth_get_adapter_cmd);
2916 int qeth_query_setadapterparms(struct qeth_card *card)
2919 struct qeth_cmd_buffer *iob;
2921 QETH_CARD_TEXT(card, 3, "queryadp");
2922 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
2923 sizeof(struct qeth_ipacmd_setadpparms));
2924 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
2927 EXPORT_SYMBOL_GPL(qeth_query_setadapterparms);
2929 static int qeth_query_ipassists_cb(struct qeth_card *card,
2930 struct qeth_reply *reply, unsigned long data)
2932 struct qeth_ipa_cmd *cmd;
2934 QETH_DBF_TEXT(SETUP, 2, "qipasscb");
2936 cmd = (struct qeth_ipa_cmd *) data;
2937 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
2938 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
2939 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
2941 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
2942 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
2944 QETH_DBF_TEXT(SETUP, 2, "suppenbl");
2945 QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_supported);
2946 QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_enabled);
2950 int qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
2953 struct qeth_cmd_buffer *iob;
2955 QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot);
2956 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot);
2957 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
2960 EXPORT_SYMBOL_GPL(qeth_query_ipassists);
2962 static int qeth_query_setdiagass_cb(struct qeth_card *card,
2963 struct qeth_reply *reply, unsigned long data)
2965 struct qeth_ipa_cmd *cmd;
2968 cmd = (struct qeth_ipa_cmd *)data;
2969 rc = cmd->hdr.return_code;
2971 QETH_CARD_TEXT_(card, 2, "diagq:%x", rc);
2973 card->info.diagass_support = cmd->data.diagass.ext;
2977 static int qeth_query_setdiagass(struct qeth_card *card)
2979 struct qeth_cmd_buffer *iob;
2980 struct qeth_ipa_cmd *cmd;
2982 QETH_DBF_TEXT(SETUP, 2, "qdiagass");
2983 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
2984 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2985 cmd->data.diagass.subcmd_len = 16;
2986 cmd->data.diagass.subcmd = QETH_DIAGS_CMD_QUERY;
2987 return qeth_send_ipa_cmd(card, iob, qeth_query_setdiagass_cb, NULL);
2990 static void qeth_get_trap_id(struct qeth_card *card, struct qeth_trap_id *tid)
2992 unsigned long info = get_zeroed_page(GFP_KERNEL);
2993 struct sysinfo_2_2_2 *info222 = (struct sysinfo_2_2_2 *)info;
2994 struct sysinfo_3_2_2 *info322 = (struct sysinfo_3_2_2 *)info;
2995 struct ccw_dev_id ccwid;
2998 tid->chpid = card->info.chpid;
2999 ccw_device_get_id(CARD_RDEV(card), &ccwid);
3000 tid->ssid = ccwid.ssid;
3001 tid->devno = ccwid.devno;
3005 rc = stsi(NULL, 0, 0, 0);
3009 level = (((unsigned int) rc) >> 28);
3011 if ((level >= 2) && (stsi(info222, 2, 2, 2) != -ENOSYS))
3012 tid->lparnr = info222->lpar_number;
3014 if ((level >= 3) && (stsi(info322, 3, 2, 2) != -ENOSYS)) {
3015 EBCASC(info322->vm[0].name, sizeof(info322->vm[0].name));
3016 memcpy(tid->vmname, info322->vm[0].name, sizeof(tid->vmname));
3022 static int qeth_hw_trap_cb(struct qeth_card *card,
3023 struct qeth_reply *reply, unsigned long data)
3025 struct qeth_ipa_cmd *cmd;
3028 cmd = (struct qeth_ipa_cmd *)data;
3029 rc = cmd->hdr.return_code;
3031 QETH_CARD_TEXT_(card, 2, "trapc:%x", rc);
3035 int qeth_hw_trap(struct qeth_card *card, enum qeth_diags_trap_action action)
3037 struct qeth_cmd_buffer *iob;
3038 struct qeth_ipa_cmd *cmd;
3040 QETH_DBF_TEXT(SETUP, 2, "diagtrap");
3041 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
3042 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
3043 cmd->data.diagass.subcmd_len = 80;
3044 cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRAP;
3045 cmd->data.diagass.type = 1;
3046 cmd->data.diagass.action = action;
3048 case QETH_DIAGS_TRAP_ARM:
3049 cmd->data.diagass.options = 0x0003;
3050 cmd->data.diagass.ext = 0x00010000 +
3051 sizeof(struct qeth_trap_id);
3052 qeth_get_trap_id(card,
3053 (struct qeth_trap_id *)cmd->data.diagass.cdata);
3055 case QETH_DIAGS_TRAP_DISARM:
3056 cmd->data.diagass.options = 0x0001;
3058 case QETH_DIAGS_TRAP_CAPTURE:
3061 return qeth_send_ipa_cmd(card, iob, qeth_hw_trap_cb, NULL);
3063 EXPORT_SYMBOL_GPL(qeth_hw_trap);
3065 int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf,
3066 unsigned int qdio_error, const char *dbftext)
3069 QETH_CARD_TEXT(card, 2, dbftext);
3070 QETH_CARD_TEXT_(card, 2, " F15=%02X",
3071 buf->element[15].sflags);
3072 QETH_CARD_TEXT_(card, 2, " F14=%02X",
3073 buf->element[14].sflags);
3074 QETH_CARD_TEXT_(card, 2, " qerr=%X", qdio_error);
3075 if ((buf->element[15].sflags) == 0x12) {
3076 card->stats.rx_dropped++;
3083 EXPORT_SYMBOL_GPL(qeth_check_qdio_errors);
3085 void qeth_buffer_reclaim_work(struct work_struct *work)
3087 struct qeth_card *card = container_of(work, struct qeth_card,
3088 buffer_reclaim_work.work);
3090 QETH_CARD_TEXT_(card, 2, "brw:%x", card->reclaim_index);
3091 qeth_queue_input_buffer(card, card->reclaim_index);
3094 void qeth_queue_input_buffer(struct qeth_card *card, int index)
3096 struct qeth_qdio_q *queue = card->qdio.in_q;
3097 struct list_head *lh;
3103 count = (index < queue->next_buf_to_init)?
3104 card->qdio.in_buf_pool.buf_count -
3105 (queue->next_buf_to_init - index) :
3106 card->qdio.in_buf_pool.buf_count -
3107 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
3108 /* only requeue at a certain threshold to avoid SIGAs */
3109 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)) {
3110 for (i = queue->next_buf_to_init;
3111 i < queue->next_buf_to_init + count; ++i) {
3112 if (qeth_init_input_buffer(card,
3113 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) {
3120 if (newcount < count) {
3121 /* we are in memory shortage so we switch back to
3122 traditional skb allocation and drop packages */
3123 atomic_set(&card->force_alloc_skb, 3);
3126 atomic_add_unless(&card->force_alloc_skb, -1, 0);
3131 list_for_each(lh, &card->qdio.in_buf_pool.entry_list)
3133 if (i == card->qdio.in_buf_pool.buf_count) {
3134 QETH_CARD_TEXT(card, 2, "qsarbw");
3135 card->reclaim_index = index;
3136 schedule_delayed_work(
3137 &card->buffer_reclaim_work,
3138 QETH_RECLAIM_WORK_TIME);
3144 * according to old code it should be avoided to requeue all
3145 * 128 buffers in order to benefit from PCI avoidance.
3146 * this function keeps at least one buffer (the buffer at
3147 * 'index') un-requeued -> this buffer is the first buffer that
3148 * will be requeued the next time
3150 if (card->options.performance_stats) {
3151 card->perf_stats.inbound_do_qdio_cnt++;
3152 card->perf_stats.inbound_do_qdio_start_time =
3155 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0,
3156 queue->next_buf_to_init, count);
3157 if (card->options.performance_stats)
3158 card->perf_stats.inbound_do_qdio_time +=
3160 card->perf_stats.inbound_do_qdio_start_time;
3162 QETH_CARD_TEXT(card, 2, "qinberr");
3164 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
3165 QDIO_MAX_BUFFERS_PER_Q;
3168 EXPORT_SYMBOL_GPL(qeth_queue_input_buffer);
3170 static int qeth_handle_send_error(struct qeth_card *card,
3171 struct qeth_qdio_out_buffer *buffer, unsigned int qdio_err)
3173 int sbalf15 = buffer->buffer->element[15].sflags;
3175 QETH_CARD_TEXT(card, 6, "hdsnderr");
3176 if (card->info.type == QETH_CARD_TYPE_IQD) {
3183 qeth_check_qdio_errors(card, buffer->buffer, qdio_err, "qouterr");
3186 return QETH_SEND_ERROR_NONE;
3188 if ((sbalf15 >= 15) && (sbalf15 <= 31))
3189 return QETH_SEND_ERROR_RETRY;
3191 QETH_CARD_TEXT(card, 1, "lnkfail");
3192 QETH_CARD_TEXT_(card, 1, "%04x %02x",
3193 (u16)qdio_err, (u8)sbalf15);
3194 return QETH_SEND_ERROR_LINK_FAILURE;
3198 * Switched to packing state if the number of used buffers on a queue
3199 * reaches a certain limit.
3201 static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
3203 if (!queue->do_pack) {
3204 if (atomic_read(&queue->used_buffers)
3205 >= QETH_HIGH_WATERMARK_PACK){
3206 /* switch non-PACKING -> PACKING */
3207 QETH_CARD_TEXT(queue->card, 6, "np->pack");
3208 if (queue->card->options.performance_stats)
3209 queue->card->perf_stats.sc_dp_p++;
3216 * Switches from packing to non-packing mode. If there is a packing
3217 * buffer on the queue this buffer will be prepared to be flushed.
3218 * In that case 1 is returned to inform the caller. If no buffer
3219 * has to be flushed, zero is returned.
3221 static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
3223 struct qeth_qdio_out_buffer *buffer;
3224 int flush_count = 0;
3226 if (queue->do_pack) {
3227 if (atomic_read(&queue->used_buffers)
3228 <= QETH_LOW_WATERMARK_PACK) {
3229 /* switch PACKING -> non-PACKING */
3230 QETH_CARD_TEXT(queue->card, 6, "pack->np");
3231 if (queue->card->options.performance_stats)
3232 queue->card->perf_stats.sc_p_dp++;
3234 /* flush packing buffers */
3235 buffer = queue->bufs[queue->next_buf_to_fill];
3236 if ((atomic_read(&buffer->state) ==
3237 QETH_QDIO_BUF_EMPTY) &&
3238 (buffer->next_element_to_fill > 0)) {
3239 atomic_set(&buffer->state,
3240 QETH_QDIO_BUF_PRIMED);
3242 queue->next_buf_to_fill =
3243 (queue->next_buf_to_fill + 1) %
3244 QDIO_MAX_BUFFERS_PER_Q;
3253 * Called to flush a packing buffer if no more pci flags are on the queue.
3254 * Checks if there is a packing buffer and prepares it to be flushed.
3255 * In that case returns 1, otherwise zero.
3257 static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
3259 struct qeth_qdio_out_buffer *buffer;
3261 buffer = queue->bufs[queue->next_buf_to_fill];
3262 if ((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
3263 (buffer->next_element_to_fill > 0)) {
3264 /* it's a packing buffer */
3265 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3266 queue->next_buf_to_fill =
3267 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
3273 static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
3276 struct qeth_qdio_out_buffer *buf;
3279 unsigned int qdio_flags;
3281 for (i = index; i < index + count; ++i) {
3282 int bidx = i % QDIO_MAX_BUFFERS_PER_Q;
3283 buf = queue->bufs[bidx];
3284 buf->buffer->element[buf->next_element_to_fill - 1].eflags |=
3285 SBAL_EFLAGS_LAST_ENTRY;
3287 if (queue->bufstates)
3288 queue->bufstates[bidx].user = buf;
3290 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
3293 if (!queue->do_pack) {
3294 if ((atomic_read(&queue->used_buffers) >=
3295 (QETH_HIGH_WATERMARK_PACK -
3296 QETH_WATERMARK_PACK_FUZZ)) &&
3297 !atomic_read(&queue->set_pci_flags_count)) {
3298 /* it's likely that we'll go to packing
3300 atomic_inc(&queue->set_pci_flags_count);
3301 buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ;
3304 if (!atomic_read(&queue->set_pci_flags_count)) {
3306 * there's no outstanding PCI any more, so we
3307 * have to request a PCI to be sure the the PCI
3308 * will wake at some time in the future then we
3309 * can flush packed buffers that might still be
3310 * hanging around, which can happen if no
3311 * further send was requested by the stack
3313 atomic_inc(&queue->set_pci_flags_count);
3314 buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ;
3319 queue->card->dev->trans_start = jiffies;
3320 if (queue->card->options.performance_stats) {
3321 queue->card->perf_stats.outbound_do_qdio_cnt++;
3322 queue->card->perf_stats.outbound_do_qdio_start_time =
3325 qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
3326 if (atomic_read(&queue->set_pci_flags_count))
3327 qdio_flags |= QDIO_FLAG_PCI_OUT;
3328 rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
3329 queue->queue_no, index, count);
3330 if (queue->card->options.performance_stats)
3331 queue->card->perf_stats.outbound_do_qdio_time +=
3333 queue->card->perf_stats.outbound_do_qdio_start_time;
3334 atomic_add(count, &queue->used_buffers);
3336 queue->card->stats.tx_errors += count;
3337 /* ignore temporary SIGA errors without busy condition */
3340 QETH_CARD_TEXT(queue->card, 2, "flushbuf");
3341 QETH_CARD_TEXT_(queue->card, 2, " q%d", queue->queue_no);
3342 QETH_CARD_TEXT_(queue->card, 2, " idx%d", index);
3343 QETH_CARD_TEXT_(queue->card, 2, " c%d", count);
3344 QETH_CARD_TEXT_(queue->card, 2, " err%d", rc);
3346 /* this must not happen under normal circumstances. if it
3347 * happens something is really wrong -> recover */
3348 qeth_schedule_recovery(queue->card);
3351 if (queue->card->options.performance_stats)
3352 queue->card->perf_stats.bufs_sent += count;
3355 static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
3359 int q_was_packing = 0;
3362 * check if weed have to switch to non-packing mode or if
3363 * we have to get a pci flag out on the queue
3365 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
3366 !atomic_read(&queue->set_pci_flags_count)) {
3367 if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
3368 QETH_OUT_Q_UNLOCKED) {
3370 * If we get in here, there was no action in
3371 * do_send_packet. So, we check if there is a
3372 * packing buffer to be flushed here.
3374 netif_stop_queue(queue->card->dev);
3375 index = queue->next_buf_to_fill;
3376 q_was_packing = queue->do_pack;
3377 /* queue->do_pack may change */
3379 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3381 !atomic_read(&queue->set_pci_flags_count))
3383 qeth_flush_buffers_on_no_pci(queue);
3384 if (queue->card->options.performance_stats &&
3386 queue->card->perf_stats.bufs_sent_pack +=
3389 qeth_flush_buffers(queue, index, flush_cnt);
3390 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3395 void qeth_qdio_start_poll(struct ccw_device *ccwdev, int queue,
3396 unsigned long card_ptr)
3398 struct qeth_card *card = (struct qeth_card *)card_ptr;
3400 if (card->dev && (card->dev->flags & IFF_UP))
3401 napi_schedule(&card->napi);
3403 EXPORT_SYMBOL_GPL(qeth_qdio_start_poll);
3405 int qeth_configure_cq(struct qeth_card *card, enum qeth_cq cq)
3409 if (card->options.cq == QETH_CQ_NOTAVAILABLE) {
3413 if (card->options.cq == cq) {
3418 if (card->state != CARD_STATE_DOWN &&
3419 card->state != CARD_STATE_RECOVER) {
3424 qeth_free_qdio_buffers(card);
3425 card->options.cq = cq;
3432 EXPORT_SYMBOL_GPL(qeth_configure_cq);
3435 static void qeth_qdio_cq_handler(struct qeth_card *card,
3436 unsigned int qdio_err,
3437 unsigned int queue, int first_element, int count) {
3438 struct qeth_qdio_q *cq = card->qdio.c_q;
3442 if (!qeth_is_cq(card, queue))
3445 QETH_CARD_TEXT_(card, 5, "qcqhe%d", first_element);
3446 QETH_CARD_TEXT_(card, 5, "qcqhc%d", count);
3447 QETH_CARD_TEXT_(card, 5, "qcqherr%d", qdio_err);
3450 netif_stop_queue(card->dev);
3451 qeth_schedule_recovery(card);
3455 if (card->options.performance_stats) {
3456 card->perf_stats.cq_cnt++;
3457 card->perf_stats.cq_start_time = qeth_get_micros();
3460 for (i = first_element; i < first_element + count; ++i) {
3461 int bidx = i % QDIO_MAX_BUFFERS_PER_Q;
3462 struct qdio_buffer *buffer = &cq->qdio_bufs[bidx];
3466 while (buffer->element[e].addr) {
3467 unsigned long phys_aob_addr;
3469 phys_aob_addr = (unsigned long) buffer->element[e].addr;
3470 qeth_qdio_handle_aob(card, phys_aob_addr);
3471 buffer->element[e].addr = NULL;
3472 buffer->element[e].eflags = 0;
3473 buffer->element[e].sflags = 0;
3474 buffer->element[e].length = 0;
3479 buffer->element[15].eflags = 0;
3480 buffer->element[15].sflags = 0;
3482 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, queue,
3483 card->qdio.c_q->next_buf_to_init,
3486 dev_warn(&card->gdev->dev,
3487 "QDIO reported an error, rc=%i\n", rc);
3488 QETH_CARD_TEXT(card, 2, "qcqherr");
3490 card->qdio.c_q->next_buf_to_init = (card->qdio.c_q->next_buf_to_init
3491 + count) % QDIO_MAX_BUFFERS_PER_Q;
3493 netif_wake_queue(card->dev);
3495 if (card->options.performance_stats) {
3496 int delta_t = qeth_get_micros();
3497 delta_t -= card->perf_stats.cq_start_time;
3498 card->perf_stats.cq_time += delta_t;
3504 void qeth_qdio_input_handler(struct ccw_device *ccwdev, unsigned int qdio_err,
3505 unsigned int queue, int first_elem, int count,
3506 unsigned long card_ptr)
3508 struct qeth_card *card = (struct qeth_card *)card_ptr;
3510 QETH_CARD_TEXT_(card, 2, "qihq%d", queue);
3511 QETH_CARD_TEXT_(card, 2, "qiec%d", qdio_err);
3513 if (qeth_is_cq(card, queue))
3514 qeth_qdio_cq_handler(card, qdio_err, queue, first_elem, count);
3516 qeth_schedule_recovery(card);
3520 EXPORT_SYMBOL_GPL(qeth_qdio_input_handler);
3522 void qeth_qdio_output_handler(struct ccw_device *ccwdev,
3523 unsigned int qdio_error, int __queue, int first_element,
3524 int count, unsigned long card_ptr)
3526 struct qeth_card *card = (struct qeth_card *) card_ptr;
3527 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3528 struct qeth_qdio_out_buffer *buffer;
3531 QETH_CARD_TEXT(card, 6, "qdouhdl");
3532 if (qdio_error & QDIO_ERROR_FATAL) {
3533 QETH_CARD_TEXT(card, 2, "achkcond");
3534 netif_stop_queue(card->dev);
3535 qeth_schedule_recovery(card);
3538 if (card->options.performance_stats) {
3539 card->perf_stats.outbound_handler_cnt++;
3540 card->perf_stats.outbound_handler_start_time =
3543 for (i = first_element; i < (first_element + count); ++i) {
3544 int bidx = i % QDIO_MAX_BUFFERS_PER_Q;
3545 buffer = queue->bufs[bidx];
3546 qeth_handle_send_error(card, buffer, qdio_error);
3548 if (queue->bufstates &&
3549 (queue->bufstates[bidx].flags &
3550 QDIO_OUTBUF_STATE_FLAG_PENDING) != 0) {
3551 BUG_ON(card->options.cq != QETH_CQ_ENABLED);
3553 if (atomic_cmpxchg(&buffer->state,
3554 QETH_QDIO_BUF_PRIMED,
3555 QETH_QDIO_BUF_PENDING) ==
3556 QETH_QDIO_BUF_PRIMED) {
3557 qeth_notify_skbs(queue, buffer,
3560 buffer->aob = queue->bufstates[bidx].aob;
3561 QETH_CARD_TEXT_(queue->card, 5, "pel%d", bidx);
3562 QETH_CARD_TEXT(queue->card, 5, "aob");
3563 QETH_CARD_TEXT_(queue->card, 5, "%lx",
3564 virt_to_phys(buffer->aob));
3565 BUG_ON(bidx < 0 || bidx >= QDIO_MAX_BUFFERS_PER_Q);
3566 if (qeth_init_qdio_out_buf(queue, bidx)) {
3567 QETH_CARD_TEXT(card, 2, "outofbuf");
3568 qeth_schedule_recovery(card);
3571 if (card->options.cq == QETH_CQ_ENABLED) {
3572 enum iucv_tx_notify n;
3574 n = qeth_compute_cq_notification(
3575 buffer->buffer->element[15].sflags, 0);
3576 qeth_notify_skbs(queue, buffer, n);
3579 qeth_clear_output_buffer(queue, buffer,
3580 QETH_QDIO_BUF_EMPTY);
3582 qeth_cleanup_handled_pending(queue, bidx, 0);
3584 atomic_sub(count, &queue->used_buffers);
3585 /* check if we need to do something on this outbound queue */
3586 if (card->info.type != QETH_CARD_TYPE_IQD)
3587 qeth_check_outbound_queue(queue);
3589 netif_wake_queue(queue->card->dev);
3590 if (card->options.performance_stats)
3591 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3592 card->perf_stats.outbound_handler_start_time;
3594 EXPORT_SYMBOL_GPL(qeth_qdio_output_handler);
3596 int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3597 int ipv, int cast_type)
3599 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSD ||
3600 card->info.type == QETH_CARD_TYPE_OSX))
3601 return card->qdio.default_out_queue;
3602 switch (card->qdio.no_out_queues) {
3604 if (cast_type && card->info.is_multicast_different)
3605 return card->info.is_multicast_different &
3606 (card->qdio.no_out_queues - 1);
3607 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3608 const u8 tos = ip_hdr(skb)->tos;
3610 if (card->qdio.do_prio_queueing ==
3611 QETH_PRIO_Q_ING_TOS) {
3612 if (tos & IP_TOS_NOTIMPORTANT)
3614 if (tos & IP_TOS_HIGHRELIABILITY)
3616 if (tos & IP_TOS_HIGHTHROUGHPUT)
3618 if (tos & IP_TOS_LOWDELAY)
3621 if (card->qdio.do_prio_queueing ==
3622 QETH_PRIO_Q_ING_PREC)
3623 return 3 - (tos >> 6);
3624 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3627 return card->qdio.default_out_queue;
3628 case 1: /* fallthrough for single-out-queue 1920-device */
3630 return card->qdio.default_out_queue;
3633 EXPORT_SYMBOL_GPL(qeth_get_priority_queue);
3635 int qeth_get_elements_no(struct qeth_card *card, void *hdr,
3636 struct sk_buff *skb, int elems)
3638 int dlen = skb->len - skb->data_len;
3639 int elements_needed = PFN_UP((unsigned long)skb->data + dlen - 1) -
3640 PFN_DOWN((unsigned long)skb->data);
3642 elements_needed += skb_shinfo(skb)->nr_frags;
3643 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)) {
3644 QETH_DBF_MESSAGE(2, "Invalid size of IP packet "
3645 "(Number=%d / Length=%d). Discarded.\n",
3646 (elements_needed+elems), skb->len);
3649 return elements_needed;
3651 EXPORT_SYMBOL_GPL(qeth_get_elements_no);
3653 int qeth_hdr_chk_and_bounce(struct sk_buff *skb, int len)
3655 int hroom, inpage, rest;
3657 if (((unsigned long)skb->data & PAGE_MASK) !=
3658 (((unsigned long)skb->data + len - 1) & PAGE_MASK)) {
3659 hroom = skb_headroom(skb);
3660 inpage = PAGE_SIZE - ((unsigned long) skb->data % PAGE_SIZE);
3661 rest = len - inpage;
3664 memmove(skb->data - rest, skb->data, skb->len - skb->data_len);
3666 QETH_DBF_MESSAGE(2, "skb bounce len: %d rest: %d\n", len, rest);
3670 EXPORT_SYMBOL_GPL(qeth_hdr_chk_and_bounce);
3672 static inline void __qeth_fill_buffer(struct sk_buff *skb,
3673 struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill,
3676 int length = skb->len - skb->data_len;
3681 struct skb_frag_struct *frag;
3683 element = *next_element_to_fill;
3685 first_lap = (is_tso == 0 ? 1 : 0);
3688 data = skb->data + offset;
3693 while (length > 0) {
3694 /* length_here is the remaining amount of data in this page */
3695 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
3696 if (length < length_here)
3697 length_here = length;
3699 buffer->element[element].addr = data;
3700 buffer->element[element].length = length_here;
3701 length -= length_here;
3704 if (skb_shinfo(skb)->nr_frags)
3705 buffer->element[element].eflags =
3706 SBAL_EFLAGS_FIRST_FRAG;
3708 buffer->element[element].eflags = 0;
3710 buffer->element[element].eflags =
3711 SBAL_EFLAGS_MIDDLE_FRAG;
3714 buffer->element[element].eflags =
3715 SBAL_EFLAGS_FIRST_FRAG;
3717 buffer->element[element].eflags =
3718 SBAL_EFLAGS_MIDDLE_FRAG;
3720 data += length_here;
3725 for (cnt = 0; cnt < skb_shinfo(skb)->nr_frags; cnt++) {
3726 frag = &skb_shinfo(skb)->frags[cnt];
3727 buffer->element[element].addr = (char *)
3728 page_to_phys(skb_frag_page(frag))
3729 + frag->page_offset;
3730 buffer->element[element].length = frag->size;
3731 buffer->element[element].eflags = SBAL_EFLAGS_MIDDLE_FRAG;
3735 if (buffer->element[element - 1].eflags)
3736 buffer->element[element - 1].eflags = SBAL_EFLAGS_LAST_FRAG;
3737 *next_element_to_fill = element;
3740 static inline int qeth_fill_buffer(struct qeth_qdio_out_q *queue,
3741 struct qeth_qdio_out_buffer *buf, struct sk_buff *skb,
3742 struct qeth_hdr *hdr, int offset, int hd_len)
3744 struct qdio_buffer *buffer;
3745 int flush_cnt = 0, hdr_len, large_send = 0;
3747 buffer = buf->buffer;
3748 atomic_inc(&skb->users);
3749 skb_queue_tail(&buf->skb_list, skb);
3751 /*check first on TSO ....*/
3752 if (hdr->hdr.l3.id == QETH_HEADER_TYPE_TSO) {
3753 int element = buf->next_element_to_fill;
3755 hdr_len = sizeof(struct qeth_hdr_tso) +
3756 ((struct qeth_hdr_tso *)hdr)->ext.dg_hdr_len;
3757 /*fill first buffer entry only with header information */
3758 buffer->element[element].addr = skb->data;
3759 buffer->element[element].length = hdr_len;
3760 buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
3761 buf->next_element_to_fill++;
3762 skb->data += hdr_len;
3763 skb->len -= hdr_len;
3768 int element = buf->next_element_to_fill;
3769 buffer->element[element].addr = hdr;
3770 buffer->element[element].length = sizeof(struct qeth_hdr) +
3772 buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
3773 buf->is_header[element] = 1;
3774 buf->next_element_to_fill++;
3777 __qeth_fill_buffer(skb, buffer, large_send,
3778 (int *)&buf->next_element_to_fill, offset);
3780 if (!queue->do_pack) {
3781 QETH_CARD_TEXT(queue->card, 6, "fillbfnp");
3782 /* set state to PRIMED -> will be flushed */
3783 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3786 QETH_CARD_TEXT(queue->card, 6, "fillbfpa");
3787 if (queue->card->options.performance_stats)
3788 queue->card->perf_stats.skbs_sent_pack++;
3789 if (buf->next_element_to_fill >=
3790 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
3792 * packed buffer if full -> set state PRIMED
3793 * -> will be flushed
3795 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3802 int qeth_do_send_packet_fast(struct qeth_card *card,
3803 struct qeth_qdio_out_q *queue, struct sk_buff *skb,
3804 struct qeth_hdr *hdr, int elements_needed,
3805 int offset, int hd_len)
3807 struct qeth_qdio_out_buffer *buffer;
3810 /* spin until we get the queue ... */
3811 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
3812 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
3813 /* ... now we've got the queue */
3814 index = queue->next_buf_to_fill;
3815 buffer = queue->bufs[queue->next_buf_to_fill];
3817 * check if buffer is empty to make sure that we do not 'overtake'
3818 * ourselves and try to fill a buffer that is already primed
3820 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
3822 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
3823 QDIO_MAX_BUFFERS_PER_Q;
3824 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3825 qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len);
3826 qeth_flush_buffers(queue, index, 1);
3829 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3832 EXPORT_SYMBOL_GPL(qeth_do_send_packet_fast);
3834 int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
3835 struct sk_buff *skb, struct qeth_hdr *hdr,
3836 int elements_needed)
3838 struct qeth_qdio_out_buffer *buffer;
3840 int flush_count = 0;
3845 /* spin until we get the queue ... */
3846 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
3847 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
3848 start_index = queue->next_buf_to_fill;
3849 buffer = queue->bufs[queue->next_buf_to_fill];
3851 * check if buffer is empty to make sure that we do not 'overtake'
3852 * ourselves and try to fill a buffer that is already primed
3854 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
3855 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3858 /* check if we need to switch packing state of this queue */
3859 qeth_switch_to_packing_if_needed(queue);
3860 if (queue->do_pack) {
3862 /* does packet fit in current buffer? */
3863 if ((QETH_MAX_BUFFER_ELEMENTS(card) -
3864 buffer->next_element_to_fill) < elements_needed) {
3865 /* ... no -> set state PRIMED */
3866 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3868 queue->next_buf_to_fill =
3869 (queue->next_buf_to_fill + 1) %
3870 QDIO_MAX_BUFFERS_PER_Q;
3871 buffer = queue->bufs[queue->next_buf_to_fill];
3872 /* we did a step forward, so check buffer state
3874 if (atomic_read(&buffer->state) !=
3875 QETH_QDIO_BUF_EMPTY) {
3876 qeth_flush_buffers(queue, start_index,
3878 atomic_set(&queue->state,
3879 QETH_OUT_Q_UNLOCKED);
3884 tmp = qeth_fill_buffer(queue, buffer, skb, hdr, -1, 0);
3885 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
3886 QDIO_MAX_BUFFERS_PER_Q;
3889 qeth_flush_buffers(queue, start_index, flush_count);
3890 else if (!atomic_read(&queue->set_pci_flags_count))
3891 atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
3893 * queue->state will go from LOCKED -> UNLOCKED or from
3894 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
3895 * (switch packing state or flush buffer to get another pci flag out).
3896 * In that case we will enter this loop
3898 while (atomic_dec_return(&queue->state)) {
3900 start_index = queue->next_buf_to_fill;
3901 /* check if we can go back to non-packing state */
3902 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
3904 * check if we need to flush a packing buffer to get a pci
3905 * flag out on the queue
3907 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
3908 flush_count += qeth_flush_buffers_on_no_pci(queue);
3910 qeth_flush_buffers(queue, start_index, flush_count);
3912 /* at this point the queue is UNLOCKED again */
3913 if (queue->card->options.performance_stats && do_pack)
3914 queue->card->perf_stats.bufs_sent_pack += flush_count;
3918 EXPORT_SYMBOL_GPL(qeth_do_send_packet);
3920 static int qeth_setadp_promisc_mode_cb(struct qeth_card *card,
3921 struct qeth_reply *reply, unsigned long data)
3923 struct qeth_ipa_cmd *cmd;
3924 struct qeth_ipacmd_setadpparms *setparms;
3926 QETH_CARD_TEXT(card, 4, "prmadpcb");
3928 cmd = (struct qeth_ipa_cmd *) data;
3929 setparms = &(cmd->data.setadapterparms);
3931 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
3932 if (cmd->hdr.return_code) {
3933 QETH_CARD_TEXT_(card, 4, "prmrc%2.2x", cmd->hdr.return_code);
3934 setparms->data.mode = SET_PROMISC_MODE_OFF;
3936 card->info.promisc_mode = setparms->data.mode;
3940 void qeth_setadp_promisc_mode(struct qeth_card *card)
3942 enum qeth_ipa_promisc_modes mode;
3943 struct net_device *dev = card->dev;
3944 struct qeth_cmd_buffer *iob;
3945 struct qeth_ipa_cmd *cmd;
3947 QETH_CARD_TEXT(card, 4, "setprom");
3949 if (((dev->flags & IFF_PROMISC) &&
3950 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
3951 (!(dev->flags & IFF_PROMISC) &&
3952 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
3954 mode = SET_PROMISC_MODE_OFF;
3955 if (dev->flags & IFF_PROMISC)
3956 mode = SET_PROMISC_MODE_ON;
3957 QETH_CARD_TEXT_(card, 4, "mode:%x", mode);
3959 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
3960 sizeof(struct qeth_ipacmd_setadpparms));
3961 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
3962 cmd->data.setadapterparms.data.mode = mode;
3963 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
3965 EXPORT_SYMBOL_GPL(qeth_setadp_promisc_mode);
3967 int qeth_change_mtu(struct net_device *dev, int new_mtu)
3969 struct qeth_card *card;
3972 card = dev->ml_priv;
3974 QETH_CARD_TEXT(card, 4, "chgmtu");
3975 sprintf(dbf_text, "%8x", new_mtu);
3976 QETH_CARD_TEXT(card, 4, dbf_text);
3980 if (new_mtu > 65535)
3982 if ((!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) &&
3983 (!qeth_mtu_is_valid(card, new_mtu)))
3988 EXPORT_SYMBOL_GPL(qeth_change_mtu);
3990 struct net_device_stats *qeth_get_stats(struct net_device *dev)
3992 struct qeth_card *card;
3994 card = dev->ml_priv;
3996 QETH_CARD_TEXT(card, 5, "getstat");
3998 return &card->stats;
4000 EXPORT_SYMBOL_GPL(qeth_get_stats);
4002 static int qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
4003 struct qeth_reply *reply, unsigned long data)
4005 struct qeth_ipa_cmd *cmd;
4007 QETH_CARD_TEXT(card, 4, "chgmaccb");
4009 cmd = (struct qeth_ipa_cmd *) data;
4010 if (!card->options.layer2 ||
4011 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
4012 memcpy(card->dev->dev_addr,
4013 &cmd->data.setadapterparms.data.change_addr.addr,
4015 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
4017 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
4021 int qeth_setadpparms_change_macaddr(struct qeth_card *card)
4024 struct qeth_cmd_buffer *iob;
4025 struct qeth_ipa_cmd *cmd;
4027 QETH_CARD_TEXT(card, 4, "chgmac");
4029 iob = qeth_get_adapter_cmd(card, IPA_SETADP_ALTER_MAC_ADDRESS,
4030 sizeof(struct qeth_ipacmd_setadpparms));
4031 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4032 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
4033 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
4034 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
4035 card->dev->dev_addr, OSA_ADDR_LEN);
4036 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
4040 EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr);
4042 static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card,
4043 struct qeth_reply *reply, unsigned long data)
4045 struct qeth_ipa_cmd *cmd;
4046 struct qeth_set_access_ctrl *access_ctrl_req;
4048 QETH_CARD_TEXT(card, 4, "setaccb");
4050 cmd = (struct qeth_ipa_cmd *) data;
4051 access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl;
4052 QETH_DBF_TEXT_(SETUP, 2, "setaccb");
4053 QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
4054 QETH_DBF_TEXT_(SETUP, 2, "rc=%d",
4055 cmd->data.setadapterparms.hdr.return_code);
4056 switch (cmd->data.setadapterparms.hdr.return_code) {
4057 case SET_ACCESS_CTRL_RC_SUCCESS:
4058 case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED:
4059 case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED:
4061 card->options.isolation = access_ctrl_req->subcmd_code;
4062 if (card->options.isolation == ISOLATION_MODE_NONE) {
4063 dev_info(&card->gdev->dev,
4064 "QDIO data connection isolation is deactivated\n");
4066 dev_info(&card->gdev->dev,
4067 "QDIO data connection isolation is activated\n");
4069 QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n",
4070 card->gdev->dev.kobj.name,
4071 access_ctrl_req->subcmd_code,
4072 cmd->data.setadapterparms.hdr.return_code);
4075 case SET_ACCESS_CTRL_RC_NOT_SUPPORTED:
4077 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
4078 card->gdev->dev.kobj.name,
4079 access_ctrl_req->subcmd_code,
4080 cmd->data.setadapterparms.hdr.return_code);
4081 dev_err(&card->gdev->dev, "Adapter does not "
4082 "support QDIO data connection isolation\n");
4084 /* ensure isolation mode is "none" */
4085 card->options.isolation = ISOLATION_MODE_NONE;
4088 case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER:
4090 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
4091 card->gdev->dev.kobj.name,
4092 access_ctrl_req->subcmd_code,
4093 cmd->data.setadapterparms.hdr.return_code);
4094 dev_err(&card->gdev->dev,
4095 "Adapter is dedicated. "
4096 "QDIO data connection isolation not supported\n");
4098 /* ensure isolation mode is "none" */
4099 card->options.isolation = ISOLATION_MODE_NONE;
4102 case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF:
4104 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
4105 card->gdev->dev.kobj.name,
4106 access_ctrl_req->subcmd_code,
4107 cmd->data.setadapterparms.hdr.return_code);
4108 dev_err(&card->gdev->dev,
4109 "TSO does not permit QDIO data connection isolation\n");
4111 /* ensure isolation mode is "none" */
4112 card->options.isolation = ISOLATION_MODE_NONE;
4117 /* this should never happen */
4118 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d"
4120 card->gdev->dev.kobj.name,
4121 access_ctrl_req->subcmd_code,
4122 cmd->data.setadapterparms.hdr.return_code);
4124 /* ensure isolation mode is "none" */
4125 card->options.isolation = ISOLATION_MODE_NONE;
4129 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
4133 static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
4134 enum qeth_ipa_isolation_modes isolation)
4137 struct qeth_cmd_buffer *iob;
4138 struct qeth_ipa_cmd *cmd;
4139 struct qeth_set_access_ctrl *access_ctrl_req;
4141 QETH_CARD_TEXT(card, 4, "setacctl");
4143 QETH_DBF_TEXT_(SETUP, 2, "setacctl");
4144 QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
4146 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_ACCESS_CONTROL,
4147 sizeof(struct qeth_ipacmd_setadpparms_hdr) +
4148 sizeof(struct qeth_set_access_ctrl));
4149 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4150 access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl;
4151 access_ctrl_req->subcmd_code = isolation;
4153 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb,
4155 QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc);
4159 int qeth_set_access_ctrl_online(struct qeth_card *card)
4163 QETH_CARD_TEXT(card, 4, "setactlo");
4165 if ((card->info.type == QETH_CARD_TYPE_OSD ||
4166 card->info.type == QETH_CARD_TYPE_OSX) &&
4167 qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) {
4168 rc = qeth_setadpparms_set_access_ctrl(card,
4169 card->options.isolation);
4172 "IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n",
4173 card->gdev->dev.kobj.name,
4176 } else if (card->options.isolation != ISOLATION_MODE_NONE) {
4177 card->options.isolation = ISOLATION_MODE_NONE;
4179 dev_err(&card->gdev->dev, "Adapter does not "
4180 "support QDIO data connection isolation\n");
4185 EXPORT_SYMBOL_GPL(qeth_set_access_ctrl_online);
4187 void qeth_tx_timeout(struct net_device *dev)
4189 struct qeth_card *card;
4191 card = dev->ml_priv;
4192 QETH_CARD_TEXT(card, 4, "txtimeo");
4193 card->stats.tx_errors++;
4194 qeth_schedule_recovery(card);
4196 EXPORT_SYMBOL_GPL(qeth_tx_timeout);
4198 int qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4200 struct qeth_card *card = dev->ml_priv;
4204 case MII_BMCR: /* Basic mode control register */
4206 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH) &&
4207 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4208 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4209 rc |= BMCR_SPEED100;
4211 case MII_BMSR: /* Basic mode status register */
4212 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4213 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4216 case MII_PHYSID1: /* PHYS ID 1 */
4217 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4219 rc = (rc >> 5) & 0xFFFF;
4221 case MII_PHYSID2: /* PHYS ID 2 */
4222 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4224 case MII_ADVERTISE: /* Advertisement control reg */
4227 case MII_LPA: /* Link partner ability reg */
4228 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4229 LPA_100BASE4 | LPA_LPACK;
4231 case MII_EXPANSION: /* Expansion register */
4233 case MII_DCOUNTER: /* disconnect counter */
4235 case MII_FCSCOUNTER: /* false carrier counter */
4237 case MII_NWAYTEST: /* N-way auto-neg test register */
4239 case MII_RERRCOUNTER: /* rx error counter */
4240 rc = card->stats.rx_errors;
4242 case MII_SREVISION: /* silicon revision */
4244 case MII_RESV1: /* reserved 1 */
4246 case MII_LBRERROR: /* loopback, rx, bypass error */
4248 case MII_PHYADDR: /* physical address */
4250 case MII_RESV2: /* reserved 2 */
4252 case MII_TPISTATUS: /* TPI status for 10mbps */
4254 case MII_NCONFIG: /* network interface config */
4261 EXPORT_SYMBOL_GPL(qeth_mdio_read);
4263 static int qeth_send_ipa_snmp_cmd(struct qeth_card *card,
4264 struct qeth_cmd_buffer *iob, int len,
4265 int (*reply_cb)(struct qeth_card *, struct qeth_reply *,
4271 QETH_CARD_TEXT(card, 4, "sendsnmp");
4273 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4274 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4275 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4276 /* adjust PDU length fields in IPA_PDU_HEADER */
4277 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4279 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4280 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4281 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4282 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4283 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4284 reply_cb, reply_param);
4287 static int qeth_snmp_command_cb(struct qeth_card *card,
4288 struct qeth_reply *reply, unsigned long sdata)
4290 struct qeth_ipa_cmd *cmd;
4291 struct qeth_arp_query_info *qinfo;
4292 struct qeth_snmp_cmd *snmp;
4293 unsigned char *data;
4296 QETH_CARD_TEXT(card, 3, "snpcmdcb");
4298 cmd = (struct qeth_ipa_cmd *) sdata;
4299 data = (unsigned char *)((char *)cmd - reply->offset);
4300 qinfo = (struct qeth_arp_query_info *) reply->param;
4301 snmp = &cmd->data.setadapterparms.data.snmp;
4303 if (cmd->hdr.return_code) {
4304 QETH_CARD_TEXT_(card, 4, "scer1%i", cmd->hdr.return_code);
4307 if (cmd->data.setadapterparms.hdr.return_code) {
4308 cmd->hdr.return_code =
4309 cmd->data.setadapterparms.hdr.return_code;
4310 QETH_CARD_TEXT_(card, 4, "scer2%i", cmd->hdr.return_code);
4313 data_len = *((__u16 *)QETH_IPA_PDU_LEN_PDU1(data));
4314 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4315 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4317 data_len -= (__u16)((char *)&snmp->request - (char *)cmd);
4319 /* check if there is enough room in userspace */
4320 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4321 QETH_CARD_TEXT_(card, 4, "scer3%i", -ENOMEM);
4322 cmd->hdr.return_code = IPA_RC_ENOMEM;
4325 QETH_CARD_TEXT_(card, 4, "snore%i",
4326 cmd->data.setadapterparms.hdr.used_total);
4327 QETH_CARD_TEXT_(card, 4, "sseqn%i",
4328 cmd->data.setadapterparms.hdr.seq_no);
4329 /*copy entries to user buffer*/
4330 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4331 memcpy(qinfo->udata + qinfo->udata_offset,
4333 data_len + offsetof(struct qeth_snmp_cmd, data));
4334 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4336 memcpy(qinfo->udata + qinfo->udata_offset,
4337 (char *)&snmp->request, data_len);
4339 qinfo->udata_offset += data_len;
4340 /* check if all replies received ... */
4341 QETH_CARD_TEXT_(card, 4, "srtot%i",
4342 cmd->data.setadapterparms.hdr.used_total);
4343 QETH_CARD_TEXT_(card, 4, "srseq%i",
4344 cmd->data.setadapterparms.hdr.seq_no);
4345 if (cmd->data.setadapterparms.hdr.seq_no <
4346 cmd->data.setadapterparms.hdr.used_total)
4351 int qeth_snmp_command(struct qeth_card *card, char __user *udata)
4353 struct qeth_cmd_buffer *iob;
4354 struct qeth_ipa_cmd *cmd;
4355 struct qeth_snmp_ureq *ureq;
4357 struct qeth_arp_query_info qinfo = {0, };
4360 QETH_CARD_TEXT(card, 3, "snmpcmd");
4362 if (card->info.guestlan)
4365 if ((!qeth_adp_supported(card, IPA_SETADP_SET_SNMP_CONTROL)) &&
4366 (!card->options.layer2)) {
4369 /* skip 4 bytes (data_len struct member) to get req_len */
4370 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4372 ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
4374 QETH_CARD_TEXT(card, 2, "snmpnome");
4375 return PTR_ERR(ureq);
4377 qinfo.udata_len = ureq->hdr.data_len;
4378 qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL);
4383 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4385 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4386 QETH_SNMP_SETADP_CMDLENGTH + req_len);
4387 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4388 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4389 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4390 qeth_snmp_command_cb, (void *)&qinfo);
4392 QETH_DBF_MESSAGE(2, "SNMP command failed on %s: (0x%x)\n",
4393 QETH_CARD_IFNAME(card), rc);
4395 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
4403 EXPORT_SYMBOL_GPL(qeth_snmp_command);
4405 static int qeth_setadpparms_query_oat_cb(struct qeth_card *card,
4406 struct qeth_reply *reply, unsigned long data)
4408 struct qeth_ipa_cmd *cmd;
4409 struct qeth_qoat_priv *priv;
4413 QETH_CARD_TEXT(card, 3, "qoatcb");
4415 cmd = (struct qeth_ipa_cmd *)data;
4416 priv = (struct qeth_qoat_priv *)reply->param;
4417 resdatalen = cmd->data.setadapterparms.hdr.cmdlength;
4418 resdata = (char *)data + 28;
4420 if (resdatalen > (priv->buffer_len - priv->response_len)) {
4421 cmd->hdr.return_code = IPA_RC_FFFF;
4425 memcpy((priv->buffer + priv->response_len), resdata,
4427 priv->response_len += resdatalen;
4429 if (cmd->data.setadapterparms.hdr.seq_no <
4430 cmd->data.setadapterparms.hdr.used_total)
4435 int qeth_query_oat_command(struct qeth_card *card, char __user *udata)
4438 struct qeth_cmd_buffer *iob;
4439 struct qeth_ipa_cmd *cmd;
4440 struct qeth_query_oat *oat_req;
4441 struct qeth_query_oat_data oat_data;
4442 struct qeth_qoat_priv priv;
4445 QETH_CARD_TEXT(card, 3, "qoatcmd");
4447 if (!qeth_adp_supported(card, IPA_SETADP_QUERY_OAT)) {
4452 if (copy_from_user(&oat_data, udata,
4453 sizeof(struct qeth_query_oat_data))) {
4458 priv.buffer_len = oat_data.buffer_len;
4459 priv.response_len = 0;
4460 priv.buffer = kzalloc(oat_data.buffer_len, GFP_KERNEL);
4466 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_OAT,
4467 sizeof(struct qeth_ipacmd_setadpparms_hdr) +
4468 sizeof(struct qeth_query_oat));
4469 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4470 oat_req = &cmd->data.setadapterparms.data.query_oat;
4471 oat_req->subcmd_code = oat_data.command;
4473 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_query_oat_cb,
4476 if (is_compat_task())
4477 tmp = compat_ptr(oat_data.ptr);
4479 tmp = (void __user *)(unsigned long)oat_data.ptr;
4481 if (copy_to_user(tmp, priv.buffer,
4482 priv.response_len)) {
4487 oat_data.response_len = priv.response_len;
4489 if (copy_to_user(udata, &oat_data,
4490 sizeof(struct qeth_query_oat_data)))
4493 if (rc == IPA_RC_FFFF)
4501 EXPORT_SYMBOL_GPL(qeth_query_oat_command);
4503 static inline int qeth_get_qdio_q_format(struct qeth_card *card)
4505 switch (card->info.type) {
4506 case QETH_CARD_TYPE_IQD:
4513 static void qeth_determine_capabilities(struct qeth_card *card)
4518 struct ccw_device *ddev;
4519 int ddev_offline = 0;
4521 QETH_DBF_TEXT(SETUP, 2, "detcapab");
4522 ddev = CARD_DDEV(card);
4523 if (!ddev->online) {
4525 rc = ccw_device_set_online(ddev);
4527 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
4532 rc = qeth_read_conf_data(card, (void **) &prcd, &length);
4534 QETH_DBF_MESSAGE(2, "%s qeth_read_conf_data returned %i\n",
4535 dev_name(&card->gdev->dev), rc);
4536 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
4539 qeth_configure_unitaddr(card, prcd);
4541 qeth_configure_blkt_default(card, prcd);
4544 rc = qdio_get_ssqd_desc(ddev, &card->ssqd);
4546 QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
4548 QETH_DBF_TEXT_(SETUP, 2, "qfmt%d", card->ssqd.qfmt);
4549 QETH_DBF_TEXT_(SETUP, 2, "%d", card->ssqd.qdioac1);
4550 QETH_DBF_TEXT_(SETUP, 2, "%d", card->ssqd.qdioac3);
4551 QETH_DBF_TEXT_(SETUP, 2, "icnt%d", card->ssqd.icnt);
4552 if (!((card->ssqd.qfmt != QDIO_IQDIO_QFMT) ||
4553 ((card->ssqd.qdioac1 & CHSC_AC1_INITIATE_INPUTQ) == 0) ||
4554 ((card->ssqd.qdioac3 & CHSC_AC3_FORMAT2_CQ_AVAILABLE) == 0))) {
4555 dev_info(&card->gdev->dev,
4556 "Completion Queueing supported\n");
4558 card->options.cq = QETH_CQ_NOTAVAILABLE;
4563 if (ddev_offline == 1)
4564 ccw_device_set_offline(ddev);
4569 static inline void qeth_qdio_establish_cq(struct qeth_card *card,
4570 struct qdio_buffer **in_sbal_ptrs,
4571 void (**queue_start_poll) (struct ccw_device *, int, unsigned long)) {
4574 if (card->options.cq == QETH_CQ_ENABLED) {
4575 int offset = QDIO_MAX_BUFFERS_PER_Q *
4576 (card->qdio.no_in_queues - 1);
4577 i = QDIO_MAX_BUFFERS_PER_Q * (card->qdio.no_in_queues - 1);
4578 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
4579 in_sbal_ptrs[offset + i] = (struct qdio_buffer *)
4580 virt_to_phys(card->qdio.c_q->bufs[i].buffer);
4583 queue_start_poll[card->qdio.no_in_queues - 1] = NULL;
4587 static int qeth_qdio_establish(struct qeth_card *card)
4589 struct qdio_initialize init_data;
4590 char *qib_param_field;
4591 struct qdio_buffer **in_sbal_ptrs;
4592 void (**queue_start_poll) (struct ccw_device *, int, unsigned long);
4593 struct qdio_buffer **out_sbal_ptrs;
4597 QETH_DBF_TEXT(SETUP, 2, "qdioest");
4599 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
4601 if (!qib_param_field) {
4603 goto out_free_nothing;
4606 qeth_create_qib_param_field(card, qib_param_field);
4607 qeth_create_qib_param_field_blkt(card, qib_param_field);
4609 in_sbal_ptrs = kzalloc(card->qdio.no_in_queues *
4610 QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
4612 if (!in_sbal_ptrs) {
4614 goto out_free_qib_param;
4616 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
4617 in_sbal_ptrs[i] = (struct qdio_buffer *)
4618 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
4621 queue_start_poll = kzalloc(sizeof(void *) * card->qdio.no_in_queues,
4623 if (!queue_start_poll) {
4625 goto out_free_in_sbals;
4627 for (i = 0; i < card->qdio.no_in_queues; ++i)
4628 queue_start_poll[i] = card->discipline->start_poll;
4630 qeth_qdio_establish_cq(card, in_sbal_ptrs, queue_start_poll);
4633 kzalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
4634 sizeof(void *), GFP_KERNEL);
4635 if (!out_sbal_ptrs) {
4637 goto out_free_queue_start_poll;
4639 for (i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
4640 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k) {
4641 out_sbal_ptrs[k] = (struct qdio_buffer *)virt_to_phys(
4642 card->qdio.out_qs[i]->bufs[j]->buffer);
4645 memset(&init_data, 0, sizeof(struct qdio_initialize));
4646 init_data.cdev = CARD_DDEV(card);
4647 init_data.q_format = qeth_get_qdio_q_format(card);
4648 init_data.qib_param_field_format = 0;
4649 init_data.qib_param_field = qib_param_field;
4650 init_data.no_input_qs = card->qdio.no_in_queues;
4651 init_data.no_output_qs = card->qdio.no_out_queues;
4652 init_data.input_handler = card->discipline->input_handler;
4653 init_data.output_handler = card->discipline->output_handler;
4654 init_data.queue_start_poll_array = queue_start_poll;
4655 init_data.int_parm = (unsigned long) card;
4656 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
4657 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
4658 init_data.output_sbal_state_array = card->qdio.out_bufstates;
4659 init_data.scan_threshold =
4660 (card->info.type == QETH_CARD_TYPE_IQD) ? 8 : 32;
4662 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
4663 QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) {
4664 rc = qdio_allocate(&init_data);
4666 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
4669 rc = qdio_establish(&init_data);
4671 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
4672 qdio_free(CARD_DDEV(card));
4676 switch (card->options.cq) {
4677 case QETH_CQ_ENABLED:
4678 dev_info(&card->gdev->dev, "Completion Queue support enabled");
4680 case QETH_CQ_DISABLED:
4681 dev_info(&card->gdev->dev, "Completion Queue support disabled");
4687 kfree(out_sbal_ptrs);
4688 out_free_queue_start_poll:
4689 kfree(queue_start_poll);
4691 kfree(in_sbal_ptrs);
4693 kfree(qib_param_field);
4698 static void qeth_core_free_card(struct qeth_card *card)
4701 QETH_DBF_TEXT(SETUP, 2, "freecrd");
4702 QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
4703 qeth_clean_channel(&card->read);
4704 qeth_clean_channel(&card->write);
4706 free_netdev(card->dev);
4707 kfree(card->ip_tbd_list);
4708 qeth_free_qdio_buffers(card);
4709 unregister_service_level(&card->qeth_service_level);
4713 static struct ccw_device_id qeth_ids[] = {
4714 {CCW_DEVICE_DEVTYPE(0x1731, 0x01, 0x1732, 0x01),
4715 .driver_info = QETH_CARD_TYPE_OSD},
4716 {CCW_DEVICE_DEVTYPE(0x1731, 0x05, 0x1732, 0x05),
4717 .driver_info = QETH_CARD_TYPE_IQD},
4718 {CCW_DEVICE_DEVTYPE(0x1731, 0x06, 0x1732, 0x06),
4719 .driver_info = QETH_CARD_TYPE_OSN},
4720 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x03),
4721 .driver_info = QETH_CARD_TYPE_OSM},
4722 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x02),
4723 .driver_info = QETH_CARD_TYPE_OSX},
4726 MODULE_DEVICE_TABLE(ccw, qeth_ids);
4728 static struct ccw_driver qeth_ccw_driver = {
4730 .owner = THIS_MODULE,
4734 .probe = ccwgroup_probe_ccwdev,
4735 .remove = ccwgroup_remove_ccwdev,
4738 int qeth_core_hardsetup_card(struct qeth_card *card)
4743 QETH_DBF_TEXT(SETUP, 2, "hrdsetup");
4744 atomic_set(&card->force_alloc_skb, 0);
4745 qeth_get_channel_path_desc(card);
4748 QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
4749 dev_name(&card->gdev->dev));
4750 ccw_device_set_offline(CARD_DDEV(card));
4751 ccw_device_set_offline(CARD_WDEV(card));
4752 ccw_device_set_offline(CARD_RDEV(card));
4753 rc = ccw_device_set_online(CARD_RDEV(card));
4756 rc = ccw_device_set_online(CARD_WDEV(card));
4759 rc = ccw_device_set_online(CARD_DDEV(card));
4762 rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
4764 if (rc == -ERESTARTSYS) {
4765 QETH_DBF_TEXT(SETUP, 2, "break1");
4768 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
4774 qeth_determine_capabilities(card);
4775 qeth_init_tokens(card);
4776 qeth_init_func_level(card);
4777 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
4778 if (rc == -ERESTARTSYS) {
4779 QETH_DBF_TEXT(SETUP, 2, "break2");
4782 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
4788 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
4789 if (rc == -ERESTARTSYS) {
4790 QETH_DBF_TEXT(SETUP, 2, "break3");
4793 QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
4799 card->read_or_write_problem = 0;
4800 rc = qeth_mpc_initialize(card);
4802 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
4806 card->options.ipa4.supported_funcs = 0;
4807 card->options.adp.supported_funcs = 0;
4808 card->info.diagass_support = 0;
4809 qeth_query_ipassists(card, QETH_PROT_IPV4);
4810 if (qeth_is_supported(card, IPA_SETADAPTERPARMS))
4811 qeth_query_setadapterparms(card);
4812 if (qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST))
4813 qeth_query_setdiagass(card);
4816 dev_warn(&card->gdev->dev, "The qeth device driver failed to recover "
4817 "an error on the device\n");
4818 QETH_DBF_MESSAGE(2, "%s Initialization in hardsetup failed! rc=%d\n",
4819 dev_name(&card->gdev->dev), rc);
4822 EXPORT_SYMBOL_GPL(qeth_core_hardsetup_card);
4824 static inline int qeth_create_skb_frag(struct qeth_qdio_buffer *qethbuffer,
4825 struct qdio_buffer_element *element,
4826 struct sk_buff **pskb, int offset, int *pfrag, int data_len)
4828 struct page *page = virt_to_page(element->addr);
4829 if (*pskb == NULL) {
4830 if (qethbuffer->rx_skb) {
4831 /* only if qeth_card.options.cq == QETH_CQ_ENABLED */
4832 *pskb = qethbuffer->rx_skb;
4833 qethbuffer->rx_skb = NULL;
4835 *pskb = dev_alloc_skb(QETH_RX_PULL_LEN + ETH_HLEN);
4840 skb_reserve(*pskb, ETH_HLEN);
4841 if (data_len <= QETH_RX_PULL_LEN) {
4842 memcpy(skb_put(*pskb, data_len), element->addr + offset,
4846 memcpy(skb_put(*pskb, QETH_RX_PULL_LEN),
4847 element->addr + offset, QETH_RX_PULL_LEN);
4848 skb_fill_page_desc(*pskb, *pfrag, page,
4849 offset + QETH_RX_PULL_LEN,
4850 data_len - QETH_RX_PULL_LEN);
4851 (*pskb)->data_len += data_len - QETH_RX_PULL_LEN;
4852 (*pskb)->len += data_len - QETH_RX_PULL_LEN;
4853 (*pskb)->truesize += data_len - QETH_RX_PULL_LEN;
4858 skb_fill_page_desc(*pskb, *pfrag, page, offset, data_len);
4859 (*pskb)->data_len += data_len;
4860 (*pskb)->len += data_len;
4861 (*pskb)->truesize += data_len;
4869 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card,
4870 struct qeth_qdio_buffer *qethbuffer,
4871 struct qdio_buffer_element **__element, int *__offset,
4872 struct qeth_hdr **hdr)
4874 struct qdio_buffer_element *element = *__element;
4875 struct qdio_buffer *buffer = qethbuffer->buffer;
4876 int offset = *__offset;
4877 struct sk_buff *skb = NULL;
4885 /* qeth_hdr must not cross element boundaries */
4886 if (element->length < offset + sizeof(struct qeth_hdr)) {
4887 if (qeth_is_last_sbale(element))
4891 if (element->length < sizeof(struct qeth_hdr))
4894 *hdr = element->addr + offset;
4896 offset += sizeof(struct qeth_hdr);
4897 switch ((*hdr)->hdr.l2.id) {
4898 case QETH_HEADER_TYPE_LAYER2:
4899 skb_len = (*hdr)->hdr.l2.pkt_length;
4901 case QETH_HEADER_TYPE_LAYER3:
4902 skb_len = (*hdr)->hdr.l3.length;
4903 headroom = ETH_HLEN;
4905 case QETH_HEADER_TYPE_OSN:
4906 skb_len = (*hdr)->hdr.osn.pdu_length;
4907 headroom = sizeof(struct qeth_hdr);
4916 if (((skb_len >= card->options.rx_sg_cb) &&
4917 (!(card->info.type == QETH_CARD_TYPE_OSN)) &&
4918 (!atomic_read(&card->force_alloc_skb))) ||
4919 (card->options.cq == QETH_CQ_ENABLED)) {
4922 skb = dev_alloc_skb(skb_len + headroom);
4926 skb_reserve(skb, headroom);
4929 data_ptr = element->addr + offset;
4931 data_len = min(skb_len, (int)(element->length - offset));
4934 if (qeth_create_skb_frag(qethbuffer, element,
4935 &skb, offset, &frag, data_len))
4938 memcpy(skb_put(skb, data_len), data_ptr,
4942 skb_len -= data_len;
4944 if (qeth_is_last_sbale(element)) {
4945 QETH_CARD_TEXT(card, 4, "unexeob");
4946 QETH_CARD_HEX(card, 2, buffer, sizeof(void *));
4947 dev_kfree_skb_any(skb);
4948 card->stats.rx_errors++;
4953 data_ptr = element->addr;
4958 *__element = element;
4960 if (use_rx_sg && card->options.performance_stats) {
4961 card->perf_stats.sg_skbs_rx++;
4962 card->perf_stats.sg_frags_rx += skb_shinfo(skb)->nr_frags;
4966 if (net_ratelimit()) {
4967 QETH_CARD_TEXT(card, 2, "noskbmem");
4969 card->stats.rx_dropped++;
4972 EXPORT_SYMBOL_GPL(qeth_core_get_next_skb);
4974 static void qeth_unregister_dbf_views(void)
4977 for (x = 0; x < QETH_DBF_INFOS; x++) {
4978 debug_unregister(qeth_dbf[x].id);
4979 qeth_dbf[x].id = NULL;
4983 void qeth_dbf_longtext(debug_info_t *id, int level, char *fmt, ...)
4985 char dbf_txt_buf[32];
4988 if (level > id->level)
4990 va_start(args, fmt);
4991 vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);
4993 debug_text_event(id, level, dbf_txt_buf);
4995 EXPORT_SYMBOL_GPL(qeth_dbf_longtext);
4997 static int qeth_register_dbf_views(void)
5002 for (x = 0; x < QETH_DBF_INFOS; x++) {
5003 /* register the areas */
5004 qeth_dbf[x].id = debug_register(qeth_dbf[x].name,
5008 if (qeth_dbf[x].id == NULL) {
5009 qeth_unregister_dbf_views();
5013 /* register a view */
5014 ret = debug_register_view(qeth_dbf[x].id, qeth_dbf[x].view);
5016 qeth_unregister_dbf_views();
5020 /* set a passing level */
5021 debug_set_level(qeth_dbf[x].id, qeth_dbf[x].level);
5027 int qeth_core_load_discipline(struct qeth_card *card,
5028 enum qeth_discipline_id discipline)
5031 mutex_lock(&qeth_mod_mutex);
5032 switch (discipline) {
5033 case QETH_DISCIPLINE_LAYER3:
5034 card->discipline = try_then_request_module(
5035 symbol_get(qeth_l3_discipline), "qeth_l3");
5037 case QETH_DISCIPLINE_LAYER2:
5038 card->discipline = try_then_request_module(
5039 symbol_get(qeth_l2_discipline), "qeth_l2");
5042 if (!card->discipline) {
5043 dev_err(&card->gdev->dev, "There is no kernel module to "
5044 "support discipline %d\n", discipline);
5047 mutex_unlock(&qeth_mod_mutex);
5051 void qeth_core_free_discipline(struct qeth_card *card)
5053 if (card->options.layer2)
5054 symbol_put(qeth_l2_discipline);
5056 symbol_put(qeth_l3_discipline);
5057 card->discipline = NULL;
5060 static const struct device_type qeth_generic_devtype = {
5061 .name = "qeth_generic",
5062 .groups = qeth_generic_attr_groups,
5064 static const struct device_type qeth_osn_devtype = {
5066 .groups = qeth_osn_attr_groups,
5069 static int qeth_core_probe_device(struct ccwgroup_device *gdev)
5071 struct qeth_card *card;
5074 unsigned long flags;
5077 QETH_DBF_TEXT(SETUP, 2, "probedev");
5080 if (!get_device(dev))
5083 QETH_DBF_TEXT_(SETUP, 2, "%s", dev_name(&gdev->dev));
5085 card = qeth_alloc_card();
5087 QETH_DBF_TEXT_(SETUP, 2, "1err%d", -ENOMEM);
5092 snprintf(dbf_name, sizeof(dbf_name), "qeth_card_%s",
5093 dev_name(&gdev->dev));
5094 card->debug = debug_register(dbf_name, 2, 1, 8);
5096 QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf");
5100 debug_register_view(card->debug, &debug_hex_ascii_view);
5102 card->read.ccwdev = gdev->cdev[0];
5103 card->write.ccwdev = gdev->cdev[1];
5104 card->data.ccwdev = gdev->cdev[2];
5105 dev_set_drvdata(&gdev->dev, card);
5107 gdev->cdev[0]->handler = qeth_irq;
5108 gdev->cdev[1]->handler = qeth_irq;
5109 gdev->cdev[2]->handler = qeth_irq;
5111 rc = qeth_determine_card_type(card);
5113 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
5116 rc = qeth_setup_card(card);
5118 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
5122 if (card->info.type == QETH_CARD_TYPE_OSN)
5123 gdev->dev.type = &qeth_osn_devtype;
5125 gdev->dev.type = &qeth_generic_devtype;
5127 switch (card->info.type) {
5128 case QETH_CARD_TYPE_OSN:
5129 case QETH_CARD_TYPE_OSM:
5130 rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2);
5133 rc = card->discipline->setup(card->gdev);
5136 case QETH_CARD_TYPE_OSD:
5137 case QETH_CARD_TYPE_OSX:
5142 write_lock_irqsave(&qeth_core_card_list.rwlock, flags);
5143 list_add_tail(&card->list, &qeth_core_card_list.list);
5144 write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);
5146 qeth_determine_capabilities(card);
5150 qeth_core_free_discipline(card);
5152 debug_unregister(card->debug);
5154 qeth_core_free_card(card);
5160 static void qeth_core_remove_device(struct ccwgroup_device *gdev)
5162 unsigned long flags;
5163 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5165 QETH_DBF_TEXT(SETUP, 2, "removedv");
5167 if (card->discipline) {
5168 card->discipline->remove(gdev);
5169 qeth_core_free_discipline(card);
5172 debug_unregister(card->debug);
5173 write_lock_irqsave(&qeth_core_card_list.rwlock, flags);
5174 list_del(&card->list);
5175 write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);
5176 qeth_core_free_card(card);
5177 dev_set_drvdata(&gdev->dev, NULL);
5178 put_device(&gdev->dev);
5182 static int qeth_core_set_online(struct ccwgroup_device *gdev)
5184 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5188 if (!card->discipline) {
5189 if (card->info.type == QETH_CARD_TYPE_IQD)
5190 def_discipline = QETH_DISCIPLINE_LAYER3;
5192 def_discipline = QETH_DISCIPLINE_LAYER2;
5193 rc = qeth_core_load_discipline(card, def_discipline);
5196 rc = card->discipline->setup(card->gdev);
5200 rc = card->discipline->set_online(gdev);
5205 static int qeth_core_set_offline(struct ccwgroup_device *gdev)
5207 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5208 return card->discipline->set_offline(gdev);
5211 static void qeth_core_shutdown(struct ccwgroup_device *gdev)
5213 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5214 if (card->discipline && card->discipline->shutdown)
5215 card->discipline->shutdown(gdev);
5218 static int qeth_core_prepare(struct ccwgroup_device *gdev)
5220 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5221 if (card->discipline && card->discipline->prepare)
5222 return card->discipline->prepare(gdev);
5226 static void qeth_core_complete(struct ccwgroup_device *gdev)
5228 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5229 if (card->discipline && card->discipline->complete)
5230 card->discipline->complete(gdev);
5233 static int qeth_core_freeze(struct ccwgroup_device *gdev)
5235 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5236 if (card->discipline && card->discipline->freeze)
5237 return card->discipline->freeze(gdev);
5241 static int qeth_core_thaw(struct ccwgroup_device *gdev)
5243 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5244 if (card->discipline && card->discipline->thaw)
5245 return card->discipline->thaw(gdev);
5249 static int qeth_core_restore(struct ccwgroup_device *gdev)
5251 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5252 if (card->discipline && card->discipline->restore)
5253 return card->discipline->restore(gdev);
5257 static struct ccwgroup_driver qeth_core_ccwgroup_driver = {
5259 .owner = THIS_MODULE,
5262 .setup = qeth_core_probe_device,
5263 .remove = qeth_core_remove_device,
5264 .set_online = qeth_core_set_online,
5265 .set_offline = qeth_core_set_offline,
5266 .shutdown = qeth_core_shutdown,
5267 .prepare = qeth_core_prepare,
5268 .complete = qeth_core_complete,
5269 .freeze = qeth_core_freeze,
5270 .thaw = qeth_core_thaw,
5271 .restore = qeth_core_restore,
5274 static ssize_t qeth_core_driver_group_store(struct device_driver *ddrv,
5275 const char *buf, size_t count)
5279 err = ccwgroup_create_dev(qeth_core_root_dev,
5280 &qeth_core_ccwgroup_driver, 3, buf);
5282 return err ? err : count;
5284 static DRIVER_ATTR(group, 0200, NULL, qeth_core_driver_group_store);
5286 static struct attribute *qeth_drv_attrs[] = {
5287 &driver_attr_group.attr,
5290 static struct attribute_group qeth_drv_attr_group = {
5291 .attrs = qeth_drv_attrs,
5293 static const struct attribute_group *qeth_drv_attr_groups[] = {
5294 &qeth_drv_attr_group,
5299 const char str[ETH_GSTRING_LEN];
5300 } qeth_ethtool_stats_keys[] = {
5305 {"tx skbs no packing"},
5306 {"tx buffers no packing"},
5307 {"tx skbs packing"},
5308 {"tx buffers packing"},
5311 /* 10 */{"rx sg skbs"},
5313 {"rx sg page allocs"},
5314 {"tx large kbytes"},
5316 {"tx pk state ch n->p"},
5317 {"tx pk state ch p->n"},
5318 {"tx pk watermark low"},
5319 {"tx pk watermark high"},
5320 {"queue 0 buffer usage"},
5321 /* 20 */{"queue 1 buffer usage"},
5322 {"queue 2 buffer usage"},
5323 {"queue 3 buffer usage"},
5326 {"rx do_QDIO time"},
5327 {"rx do_QDIO count"},
5328 {"tx handler time"},
5329 {"tx handler count"},
5331 /* 30 */{"tx count"},
5332 {"tx do_QDIO time"},
5333 {"tx do_QDIO count"},
5336 {"cq handler count"},
5340 int qeth_core_get_sset_count(struct net_device *dev, int stringset)
5342 switch (stringset) {
5344 return (sizeof(qeth_ethtool_stats_keys) / ETH_GSTRING_LEN);
5349 EXPORT_SYMBOL_GPL(qeth_core_get_sset_count);
5351 void qeth_core_get_ethtool_stats(struct net_device *dev,
5352 struct ethtool_stats *stats, u64 *data)
5354 struct qeth_card *card = dev->ml_priv;
5355 data[0] = card->stats.rx_packets -
5356 card->perf_stats.initial_rx_packets;
5357 data[1] = card->perf_stats.bufs_rec;
5358 data[2] = card->stats.tx_packets -
5359 card->perf_stats.initial_tx_packets;
5360 data[3] = card->perf_stats.bufs_sent;
5361 data[4] = card->stats.tx_packets - card->perf_stats.initial_tx_packets
5362 - card->perf_stats.skbs_sent_pack;
5363 data[5] = card->perf_stats.bufs_sent - card->perf_stats.bufs_sent_pack;
5364 data[6] = card->perf_stats.skbs_sent_pack;
5365 data[7] = card->perf_stats.bufs_sent_pack;
5366 data[8] = card->perf_stats.sg_skbs_sent;
5367 data[9] = card->perf_stats.sg_frags_sent;
5368 data[10] = card->perf_stats.sg_skbs_rx;
5369 data[11] = card->perf_stats.sg_frags_rx;
5370 data[12] = card->perf_stats.sg_alloc_page_rx;
5371 data[13] = (card->perf_stats.large_send_bytes >> 10);
5372 data[14] = card->perf_stats.large_send_cnt;
5373 data[15] = card->perf_stats.sc_dp_p;
5374 data[16] = card->perf_stats.sc_p_dp;
5375 data[17] = QETH_LOW_WATERMARK_PACK;
5376 data[18] = QETH_HIGH_WATERMARK_PACK;
5377 data[19] = atomic_read(&card->qdio.out_qs[0]->used_buffers);
5378 data[20] = (card->qdio.no_out_queues > 1) ?
5379 atomic_read(&card->qdio.out_qs[1]->used_buffers) : 0;
5380 data[21] = (card->qdio.no_out_queues > 2) ?
5381 atomic_read(&card->qdio.out_qs[2]->used_buffers) : 0;
5382 data[22] = (card->qdio.no_out_queues > 3) ?
5383 atomic_read(&card->qdio.out_qs[3]->used_buffers) : 0;
5384 data[23] = card->perf_stats.inbound_time;
5385 data[24] = card->perf_stats.inbound_cnt;
5386 data[25] = card->perf_stats.inbound_do_qdio_time;
5387 data[26] = card->perf_stats.inbound_do_qdio_cnt;
5388 data[27] = card->perf_stats.outbound_handler_time;
5389 data[28] = card->perf_stats.outbound_handler_cnt;
5390 data[29] = card->perf_stats.outbound_time;
5391 data[30] = card->perf_stats.outbound_cnt;
5392 data[31] = card->perf_stats.outbound_do_qdio_time;
5393 data[32] = card->perf_stats.outbound_do_qdio_cnt;
5394 data[33] = card->perf_stats.tx_csum;
5395 data[34] = card->perf_stats.tx_lin;
5396 data[35] = card->perf_stats.cq_cnt;
5397 data[36] = card->perf_stats.cq_time;
5399 EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);
5401 void qeth_core_get_strings(struct net_device *dev, u32 stringset, u8 *data)
5403 switch (stringset) {
5405 memcpy(data, &qeth_ethtool_stats_keys,
5406 sizeof(qeth_ethtool_stats_keys));
5413 EXPORT_SYMBOL_GPL(qeth_core_get_strings);
5415 void qeth_core_get_drvinfo(struct net_device *dev,
5416 struct ethtool_drvinfo *info)
5418 struct qeth_card *card = dev->ml_priv;
5419 if (card->options.layer2)
5420 strcpy(info->driver, "qeth_l2");
5422 strcpy(info->driver, "qeth_l3");
5424 strcpy(info->version, "1.0");
5425 strcpy(info->fw_version, card->info.mcl_level);
5426 sprintf(info->bus_info, "%s/%s/%s",
5429 CARD_DDEV_ID(card));
5431 EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo);
5433 int qeth_core_ethtool_get_settings(struct net_device *netdev,
5434 struct ethtool_cmd *ecmd)
5436 struct qeth_card *card = netdev->ml_priv;
5437 enum qeth_link_types link_type;
5439 if ((card->info.type == QETH_CARD_TYPE_IQD) || (card->info.guestlan))
5440 link_type = QETH_LINK_TYPE_10GBIT_ETH;
5442 link_type = card->info.link_type;
5444 ecmd->transceiver = XCVR_INTERNAL;
5445 ecmd->supported = SUPPORTED_Autoneg;
5446 ecmd->advertising = ADVERTISED_Autoneg;
5447 ecmd->duplex = DUPLEX_FULL;
5448 ecmd->autoneg = AUTONEG_ENABLE;
5450 switch (link_type) {
5451 case QETH_LINK_TYPE_FAST_ETH:
5452 case QETH_LINK_TYPE_LANE_ETH100:
5453 ecmd->supported |= SUPPORTED_10baseT_Half |
5454 SUPPORTED_10baseT_Full |
5455 SUPPORTED_100baseT_Half |
5456 SUPPORTED_100baseT_Full |
5458 ecmd->advertising |= ADVERTISED_10baseT_Half |
5459 ADVERTISED_10baseT_Full |
5460 ADVERTISED_100baseT_Half |
5461 ADVERTISED_100baseT_Full |
5463 ecmd->speed = SPEED_100;
5464 ecmd->port = PORT_TP;
5467 case QETH_LINK_TYPE_GBIT_ETH:
5468 case QETH_LINK_TYPE_LANE_ETH1000:
5469 ecmd->supported |= SUPPORTED_10baseT_Half |
5470 SUPPORTED_10baseT_Full |
5471 SUPPORTED_100baseT_Half |
5472 SUPPORTED_100baseT_Full |
5473 SUPPORTED_1000baseT_Half |
5474 SUPPORTED_1000baseT_Full |
5476 ecmd->advertising |= ADVERTISED_10baseT_Half |
5477 ADVERTISED_10baseT_Full |
5478 ADVERTISED_100baseT_Half |
5479 ADVERTISED_100baseT_Full |
5480 ADVERTISED_1000baseT_Half |
5481 ADVERTISED_1000baseT_Full |
5483 ecmd->speed = SPEED_1000;
5484 ecmd->port = PORT_FIBRE;
5487 case QETH_LINK_TYPE_10GBIT_ETH:
5488 ecmd->supported |= SUPPORTED_10baseT_Half |
5489 SUPPORTED_10baseT_Full |
5490 SUPPORTED_100baseT_Half |
5491 SUPPORTED_100baseT_Full |
5492 SUPPORTED_1000baseT_Half |
5493 SUPPORTED_1000baseT_Full |
5494 SUPPORTED_10000baseT_Full |
5496 ecmd->advertising |= ADVERTISED_10baseT_Half |
5497 ADVERTISED_10baseT_Full |
5498 ADVERTISED_100baseT_Half |
5499 ADVERTISED_100baseT_Full |
5500 ADVERTISED_1000baseT_Half |
5501 ADVERTISED_1000baseT_Full |
5502 ADVERTISED_10000baseT_Full |
5504 ecmd->speed = SPEED_10000;
5505 ecmd->port = PORT_FIBRE;
5509 ecmd->supported |= SUPPORTED_10baseT_Half |
5510 SUPPORTED_10baseT_Full |
5512 ecmd->advertising |= ADVERTISED_10baseT_Half |
5513 ADVERTISED_10baseT_Full |
5515 ecmd->speed = SPEED_10;
5516 ecmd->port = PORT_TP;
5521 EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings);
5523 static int __init qeth_core_init(void)
5527 pr_info("loading core functions\n");
5528 INIT_LIST_HEAD(&qeth_core_card_list.list);
5529 rwlock_init(&qeth_core_card_list.rwlock);
5530 mutex_init(&qeth_mod_mutex);
5532 rc = qeth_register_dbf_views();
5535 qeth_core_root_dev = root_device_register("qeth");
5536 rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0;
5539 qeth_core_header_cache = kmem_cache_create("qeth_hdr",
5540 sizeof(struct qeth_hdr) + ETH_HLEN, 64, 0, NULL);
5541 if (!qeth_core_header_cache) {
5545 qeth_qdio_outbuf_cache = kmem_cache_create("qeth_buf",
5546 sizeof(struct qeth_qdio_out_buffer), 0, 0, NULL);
5547 if (!qeth_qdio_outbuf_cache) {
5551 rc = ccw_driver_register(&qeth_ccw_driver);
5554 qeth_core_ccwgroup_driver.driver.groups = qeth_drv_attr_groups;
5555 rc = ccwgroup_driver_register(&qeth_core_ccwgroup_driver);
5562 ccw_driver_unregister(&qeth_ccw_driver);
5564 kmem_cache_destroy(qeth_qdio_outbuf_cache);
5566 kmem_cache_destroy(qeth_core_header_cache);
5568 root_device_unregister(qeth_core_root_dev);
5570 qeth_unregister_dbf_views();
5572 pr_err("Initializing the qeth device driver failed\n");
5576 static void __exit qeth_core_exit(void)
5578 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver);
5579 ccw_driver_unregister(&qeth_ccw_driver);
5580 kmem_cache_destroy(qeth_qdio_outbuf_cache);
5581 kmem_cache_destroy(qeth_core_header_cache);
5582 root_device_unregister(qeth_core_root_dev);
5583 qeth_unregister_dbf_views();
5584 pr_info("core functions removed\n");
5587 module_init(qeth_core_init);
5588 module_exit(qeth_core_exit);
5589 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
5590 MODULE_DESCRIPTION("qeth core functions");
5591 MODULE_LICENSE("GPL");