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_set_single_write_queues(struct qeth_card *card)
1262 if ((atomic_read(&card->qdio.state) != QETH_QDIO_UNINITIALIZED) &&
1263 (card->qdio.no_out_queues == 4))
1264 qeth_free_qdio_buffers(card);
1266 card->qdio.no_out_queues = 1;
1267 if (card->qdio.default_out_queue != 0)
1268 dev_info(&card->gdev->dev, "Priority Queueing not supported\n");
1270 card->qdio.default_out_queue = 0;
1273 static void qeth_set_multiple_write_queues(struct qeth_card *card)
1275 if ((atomic_read(&card->qdio.state) != QETH_QDIO_UNINITIALIZED) &&
1276 (card->qdio.no_out_queues == 1)) {
1277 qeth_free_qdio_buffers(card);
1278 card->qdio.default_out_queue = 2;
1280 card->qdio.no_out_queues = 4;
1283 static void qeth_update_from_chp_desc(struct qeth_card *card)
1285 struct ccw_device *ccwdev;
1286 struct channelPath_dsc {
1297 QETH_DBF_TEXT(SETUP, 2, "chp_desc");
1299 ccwdev = card->data.ccwdev;
1300 chp_dsc = ccw_device_get_chp_desc(ccwdev, 0);
1304 card->info.func_level = 0x4100 + chp_dsc->desc;
1305 if (card->info.type == QETH_CARD_TYPE_IQD)
1308 /* CHPP field bit 6 == 1 -> single queue */
1309 if ((chp_dsc->chpp & 0x02) == 0x02)
1310 qeth_set_single_write_queues(card);
1312 qeth_set_multiple_write_queues(card);
1315 QETH_DBF_TEXT_(SETUP, 2, "nr:%x", card->qdio.no_out_queues);
1316 QETH_DBF_TEXT_(SETUP, 2, "lvl:%02x", card->info.func_level);
1319 static void qeth_init_qdio_info(struct qeth_card *card)
1321 QETH_DBF_TEXT(SETUP, 4, "intqdinf");
1322 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
1324 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
1325 if (card->info.type == QETH_CARD_TYPE_IQD)
1326 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_HSDEFAULT;
1328 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
1329 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
1330 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
1331 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
1334 static void qeth_set_intial_options(struct qeth_card *card)
1336 card->options.route4.type = NO_ROUTER;
1337 card->options.route6.type = NO_ROUTER;
1338 card->options.fake_broadcast = 0;
1339 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1340 card->options.performance_stats = 0;
1341 card->options.rx_sg_cb = QETH_RX_SG_CB;
1342 card->options.isolation = ISOLATION_MODE_NONE;
1343 card->options.cq = QETH_CQ_DISABLED;
1346 static int qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1348 unsigned long flags;
1351 spin_lock_irqsave(&card->thread_mask_lock, flags);
1352 QETH_CARD_TEXT_(card, 4, " %02x%02x%02x",
1353 (u8) card->thread_start_mask,
1354 (u8) card->thread_allowed_mask,
1355 (u8) card->thread_running_mask);
1356 rc = (card->thread_start_mask & thread);
1357 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1361 static void qeth_start_kernel_thread(struct work_struct *work)
1363 struct task_struct *ts;
1364 struct qeth_card *card = container_of(work, struct qeth_card,
1365 kernel_thread_starter);
1366 QETH_CARD_TEXT(card , 2, "strthrd");
1368 if (card->read.state != CH_STATE_UP &&
1369 card->write.state != CH_STATE_UP)
1371 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) {
1372 ts = kthread_run(card->discipline->recover, (void *)card,
1375 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
1376 qeth_clear_thread_running_bit(card,
1377 QETH_RECOVER_THREAD);
1382 static int qeth_setup_card(struct qeth_card *card)
1385 QETH_DBF_TEXT(SETUP, 2, "setupcrd");
1386 QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
1388 card->read.state = CH_STATE_DOWN;
1389 card->write.state = CH_STATE_DOWN;
1390 card->data.state = CH_STATE_DOWN;
1391 card->state = CARD_STATE_DOWN;
1392 card->lan_online = 0;
1393 card->read_or_write_problem = 0;
1395 spin_lock_init(&card->vlanlock);
1396 spin_lock_init(&card->mclock);
1397 spin_lock_init(&card->lock);
1398 spin_lock_init(&card->ip_lock);
1399 spin_lock_init(&card->thread_mask_lock);
1400 mutex_init(&card->conf_mutex);
1401 mutex_init(&card->discipline_mutex);
1402 card->thread_start_mask = 0;
1403 card->thread_allowed_mask = 0;
1404 card->thread_running_mask = 0;
1405 INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread);
1406 INIT_LIST_HEAD(&card->ip_list);
1407 INIT_LIST_HEAD(card->ip_tbd_list);
1408 INIT_LIST_HEAD(&card->cmd_waiter_list);
1409 init_waitqueue_head(&card->wait_q);
1410 /* initial options */
1411 qeth_set_intial_options(card);
1412 /* IP address takeover */
1413 INIT_LIST_HEAD(&card->ipato.entries);
1414 card->ipato.enabled = 0;
1415 card->ipato.invert4 = 0;
1416 card->ipato.invert6 = 0;
1417 /* init QDIO stuff */
1418 qeth_init_qdio_info(card);
1419 INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work);
1423 static void qeth_core_sl_print(struct seq_file *m, struct service_level *slr)
1425 struct qeth_card *card = container_of(slr, struct qeth_card,
1426 qeth_service_level);
1427 if (card->info.mcl_level[0])
1428 seq_printf(m, "qeth: %s firmware level %s\n",
1429 CARD_BUS_ID(card), card->info.mcl_level);
1432 static struct qeth_card *qeth_alloc_card(void)
1434 struct qeth_card *card;
1436 QETH_DBF_TEXT(SETUP, 2, "alloccrd");
1437 card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
1440 QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
1441 card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_KERNEL);
1442 if (!card->ip_tbd_list) {
1443 QETH_DBF_TEXT(SETUP, 0, "iptbdnom");
1446 if (qeth_setup_channel(&card->read))
1448 if (qeth_setup_channel(&card->write))
1450 card->options.layer2 = -1;
1451 card->qeth_service_level.seq_print = qeth_core_sl_print;
1452 register_service_level(&card->qeth_service_level);
1456 qeth_clean_channel(&card->read);
1458 kfree(card->ip_tbd_list);
1465 static int qeth_determine_card_type(struct qeth_card *card)
1469 QETH_DBF_TEXT(SETUP, 2, "detcdtyp");
1471 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1472 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1473 while (known_devices[i][QETH_DEV_MODEL_IND]) {
1474 if ((CARD_RDEV(card)->id.dev_type ==
1475 known_devices[i][QETH_DEV_TYPE_IND]) &&
1476 (CARD_RDEV(card)->id.dev_model ==
1477 known_devices[i][QETH_DEV_MODEL_IND])) {
1478 card->info.type = known_devices[i][QETH_DEV_MODEL_IND];
1479 card->qdio.no_out_queues =
1480 known_devices[i][QETH_QUEUE_NO_IND];
1481 card->qdio.no_in_queues = 1;
1482 card->info.is_multicast_different =
1483 known_devices[i][QETH_MULTICAST_IND];
1484 qeth_update_from_chp_desc(card);
1489 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1490 dev_err(&card->gdev->dev, "The adapter hardware is of an "
1495 static int qeth_clear_channel(struct qeth_channel *channel)
1497 unsigned long flags;
1498 struct qeth_card *card;
1501 card = CARD_FROM_CDEV(channel->ccwdev);
1502 QETH_CARD_TEXT(card, 3, "clearch");
1503 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1504 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
1505 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1509 rc = wait_event_interruptible_timeout(card->wait_q,
1510 channel->state == CH_STATE_STOPPED, QETH_TIMEOUT);
1511 if (rc == -ERESTARTSYS)
1513 if (channel->state != CH_STATE_STOPPED)
1515 channel->state = CH_STATE_DOWN;
1519 static int qeth_halt_channel(struct qeth_channel *channel)
1521 unsigned long flags;
1522 struct qeth_card *card;
1525 card = CARD_FROM_CDEV(channel->ccwdev);
1526 QETH_CARD_TEXT(card, 3, "haltch");
1527 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1528 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
1529 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1533 rc = wait_event_interruptible_timeout(card->wait_q,
1534 channel->state == CH_STATE_HALTED, QETH_TIMEOUT);
1535 if (rc == -ERESTARTSYS)
1537 if (channel->state != CH_STATE_HALTED)
1542 static int qeth_halt_channels(struct qeth_card *card)
1544 int rc1 = 0, rc2 = 0, rc3 = 0;
1546 QETH_CARD_TEXT(card, 3, "haltchs");
1547 rc1 = qeth_halt_channel(&card->read);
1548 rc2 = qeth_halt_channel(&card->write);
1549 rc3 = qeth_halt_channel(&card->data);
1557 static int qeth_clear_channels(struct qeth_card *card)
1559 int rc1 = 0, rc2 = 0, rc3 = 0;
1561 QETH_CARD_TEXT(card, 3, "clearchs");
1562 rc1 = qeth_clear_channel(&card->read);
1563 rc2 = qeth_clear_channel(&card->write);
1564 rc3 = qeth_clear_channel(&card->data);
1572 static int qeth_clear_halt_card(struct qeth_card *card, int halt)
1576 QETH_CARD_TEXT(card, 3, "clhacrd");
1579 rc = qeth_halt_channels(card);
1582 return qeth_clear_channels(card);
1585 int qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
1589 QETH_CARD_TEXT(card, 3, "qdioclr");
1590 switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED,
1591 QETH_QDIO_CLEANING)) {
1592 case QETH_QDIO_ESTABLISHED:
1593 if (card->info.type == QETH_CARD_TYPE_IQD)
1594 rc = qdio_shutdown(CARD_DDEV(card),
1595 QDIO_FLAG_CLEANUP_USING_HALT);
1597 rc = qdio_shutdown(CARD_DDEV(card),
1598 QDIO_FLAG_CLEANUP_USING_CLEAR);
1600 QETH_CARD_TEXT_(card, 3, "1err%d", rc);
1601 qdio_free(CARD_DDEV(card));
1602 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
1604 case QETH_QDIO_CLEANING:
1609 rc = qeth_clear_halt_card(card, use_halt);
1611 QETH_CARD_TEXT_(card, 3, "2err%d", rc);
1612 card->state = CARD_STATE_DOWN;
1615 EXPORT_SYMBOL_GPL(qeth_qdio_clear_card);
1617 static int qeth_read_conf_data(struct qeth_card *card, void **buffer,
1623 struct qeth_channel *channel = &card->data;
1624 unsigned long flags;
1627 * scan for RCD command in extended SenseID data
1629 ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD);
1630 if (!ciw || ciw->cmd == 0)
1632 rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
1636 channel->ccw.cmd_code = ciw->cmd;
1637 channel->ccw.cda = (__u32) __pa(rcd_buf);
1638 channel->ccw.count = ciw->count;
1639 channel->ccw.flags = CCW_FLAG_SLI;
1640 channel->state = CH_STATE_RCD;
1641 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1642 ret = ccw_device_start_timeout(channel->ccwdev, &channel->ccw,
1643 QETH_RCD_PARM, LPM_ANYPATH, 0,
1645 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1647 wait_event(card->wait_q,
1648 (channel->state == CH_STATE_RCD_DONE ||
1649 channel->state == CH_STATE_DOWN));
1650 if (channel->state == CH_STATE_DOWN)
1653 channel->state = CH_STATE_DOWN;
1659 *length = ciw->count;
1665 static void qeth_configure_unitaddr(struct qeth_card *card, char *prcd)
1667 QETH_DBF_TEXT(SETUP, 2, "cfgunit");
1668 card->info.chpid = prcd[30];
1669 card->info.unit_addr2 = prcd[31];
1670 card->info.cula = prcd[63];
1671 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1672 (prcd[0x11] == _ascebc['M']));
1675 static void qeth_configure_blkt_default(struct qeth_card *card, char *prcd)
1677 QETH_DBF_TEXT(SETUP, 2, "cfgblkt");
1679 if (prcd[74] == 0xF0 && prcd[75] == 0xF0 &&
1680 (prcd[76] == 0xF5 || prcd[76] == 0xF6)) {
1681 card->info.blkt.time_total = 250;
1682 card->info.blkt.inter_packet = 5;
1683 card->info.blkt.inter_packet_jumbo = 15;
1685 card->info.blkt.time_total = 0;
1686 card->info.blkt.inter_packet = 0;
1687 card->info.blkt.inter_packet_jumbo = 0;
1691 static void qeth_init_tokens(struct qeth_card *card)
1693 card->token.issuer_rm_w = 0x00010103UL;
1694 card->token.cm_filter_w = 0x00010108UL;
1695 card->token.cm_connection_w = 0x0001010aUL;
1696 card->token.ulp_filter_w = 0x0001010bUL;
1697 card->token.ulp_connection_w = 0x0001010dUL;
1700 static void qeth_init_func_level(struct qeth_card *card)
1702 switch (card->info.type) {
1703 case QETH_CARD_TYPE_IQD:
1704 card->info.func_level = QETH_IDX_FUNC_LEVEL_IQD;
1706 case QETH_CARD_TYPE_OSD:
1707 case QETH_CARD_TYPE_OSN:
1708 card->info.func_level = QETH_IDX_FUNC_LEVEL_OSD;
1715 static int qeth_idx_activate_get_answer(struct qeth_channel *channel,
1716 void (*idx_reply_cb)(struct qeth_channel *,
1717 struct qeth_cmd_buffer *))
1719 struct qeth_cmd_buffer *iob;
1720 unsigned long flags;
1722 struct qeth_card *card;
1724 QETH_DBF_TEXT(SETUP, 2, "idxanswr");
1725 card = CARD_FROM_CDEV(channel->ccwdev);
1726 iob = qeth_get_buffer(channel);
1727 iob->callback = idx_reply_cb;
1728 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1729 channel->ccw.count = QETH_BUFSIZE;
1730 channel->ccw.cda = (__u32) __pa(iob->data);
1732 wait_event(card->wait_q,
1733 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1734 QETH_DBF_TEXT(SETUP, 6, "noirqpnd");
1735 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1736 rc = ccw_device_start(channel->ccwdev,
1737 &channel->ccw, (addr_t) iob, 0, 0);
1738 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1741 QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc);
1742 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
1743 atomic_set(&channel->irq_pending, 0);
1744 wake_up(&card->wait_q);
1747 rc = wait_event_interruptible_timeout(card->wait_q,
1748 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1749 if (rc == -ERESTARTSYS)
1751 if (channel->state != CH_STATE_UP) {
1753 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
1754 qeth_clear_cmd_buffers(channel);
1760 static int qeth_idx_activate_channel(struct qeth_channel *channel,
1761 void (*idx_reply_cb)(struct qeth_channel *,
1762 struct qeth_cmd_buffer *))
1764 struct qeth_card *card;
1765 struct qeth_cmd_buffer *iob;
1766 unsigned long flags;
1770 struct ccw_dev_id temp_devid;
1772 card = CARD_FROM_CDEV(channel->ccwdev);
1774 QETH_DBF_TEXT(SETUP, 2, "idxactch");
1776 iob = qeth_get_buffer(channel);
1777 iob->callback = idx_reply_cb;
1778 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1779 channel->ccw.count = IDX_ACTIVATE_SIZE;
1780 channel->ccw.cda = (__u32) __pa(iob->data);
1781 if (channel == &card->write) {
1782 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1783 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1784 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1785 card->seqno.trans_hdr++;
1787 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1788 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1789 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1791 tmp = ((__u8)card->info.portno) | 0x80;
1792 memcpy(QETH_IDX_ACT_PNO(iob->data), &tmp, 1);
1793 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1794 &card->token.issuer_rm_w, QETH_MPC_TOKEN_LENGTH);
1795 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1796 &card->info.func_level, sizeof(__u16));
1797 ccw_device_get_id(CARD_DDEV(card), &temp_devid);
1798 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp_devid.devno, 2);
1799 temp = (card->info.cula << 8) + card->info.unit_addr2;
1800 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1802 wait_event(card->wait_q,
1803 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1804 QETH_DBF_TEXT(SETUP, 6, "noirqpnd");
1805 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1806 rc = ccw_device_start(channel->ccwdev,
1807 &channel->ccw, (addr_t) iob, 0, 0);
1808 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1811 QETH_DBF_MESSAGE(2, "Error1 in activating channel. rc=%d\n",
1813 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
1814 atomic_set(&channel->irq_pending, 0);
1815 wake_up(&card->wait_q);
1818 rc = wait_event_interruptible_timeout(card->wait_q,
1819 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1820 if (rc == -ERESTARTSYS)
1822 if (channel->state != CH_STATE_ACTIVATING) {
1823 dev_warn(&channel->ccwdev->dev, "The qeth device driver"
1824 " failed to recover an error on the device\n");
1825 QETH_DBF_MESSAGE(2, "%s IDX activate timed out\n",
1826 dev_name(&channel->ccwdev->dev));
1827 QETH_DBF_TEXT_(SETUP, 2, "2err%d", -ETIME);
1828 qeth_clear_cmd_buffers(channel);
1831 return qeth_idx_activate_get_answer(channel, idx_reply_cb);
1834 static int qeth_peer_func_level(int level)
1836 if ((level & 0xff) == 8)
1837 return (level & 0xff) + 0x400;
1838 if (((level >> 8) & 3) == 1)
1839 return (level & 0xff) + 0x200;
1843 static void qeth_idx_write_cb(struct qeth_channel *channel,
1844 struct qeth_cmd_buffer *iob)
1846 struct qeth_card *card;
1849 QETH_DBF_TEXT(SETUP , 2, "idxwrcb");
1851 if (channel->state == CH_STATE_DOWN) {
1852 channel->state = CH_STATE_ACTIVATING;
1855 card = CARD_FROM_CDEV(channel->ccwdev);
1857 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1858 if (QETH_IDX_ACT_CAUSE_CODE(iob->data) == QETH_IDX_ACT_ERR_EXCL)
1859 dev_err(&card->write.ccwdev->dev,
1860 "The adapter is used exclusively by another "
1863 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel:"
1864 " negative reply\n",
1865 dev_name(&card->write.ccwdev->dev));
1868 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1869 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1870 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel: "
1871 "function level mismatch (sent: 0x%x, received: "
1872 "0x%x)\n", dev_name(&card->write.ccwdev->dev),
1873 card->info.func_level, temp);
1876 channel->state = CH_STATE_UP;
1878 qeth_release_buffer(channel, iob);
1881 static void qeth_idx_read_cb(struct qeth_channel *channel,
1882 struct qeth_cmd_buffer *iob)
1884 struct qeth_card *card;
1887 QETH_DBF_TEXT(SETUP , 2, "idxrdcb");
1888 if (channel->state == CH_STATE_DOWN) {
1889 channel->state = CH_STATE_ACTIVATING;
1893 card = CARD_FROM_CDEV(channel->ccwdev);
1894 if (qeth_check_idx_response(card, iob->data))
1897 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1898 switch (QETH_IDX_ACT_CAUSE_CODE(iob->data)) {
1899 case QETH_IDX_ACT_ERR_EXCL:
1900 dev_err(&card->write.ccwdev->dev,
1901 "The adapter is used exclusively by another "
1904 case QETH_IDX_ACT_ERR_AUTH:
1905 case QETH_IDX_ACT_ERR_AUTH_USER:
1906 dev_err(&card->read.ccwdev->dev,
1907 "Setting the device online failed because of "
1908 "insufficient authorization\n");
1911 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel:"
1912 " negative reply\n",
1913 dev_name(&card->read.ccwdev->dev));
1915 QETH_CARD_TEXT_(card, 2, "idxread%c",
1916 QETH_IDX_ACT_CAUSE_CODE(iob->data));
1921 * * temporary fix for microcode bug
1922 * * to revert it,replace OR by AND
1924 if ((!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1925 (card->info.type == QETH_CARD_TYPE_OSD))
1926 card->info.portname_required = 1;
1928 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1929 if (temp != qeth_peer_func_level(card->info.func_level)) {
1930 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel: function "
1931 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1932 dev_name(&card->read.ccwdev->dev),
1933 card->info.func_level, temp);
1936 memcpy(&card->token.issuer_rm_r,
1937 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1938 QETH_MPC_TOKEN_LENGTH);
1939 memcpy(&card->info.mcl_level[0],
1940 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1941 channel->state = CH_STATE_UP;
1943 qeth_release_buffer(channel, iob);
1946 void qeth_prepare_control_data(struct qeth_card *card, int len,
1947 struct qeth_cmd_buffer *iob)
1949 qeth_setup_ccw(&card->write, iob->data, len);
1950 iob->callback = qeth_release_buffer;
1952 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1953 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1954 card->seqno.trans_hdr++;
1955 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1956 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1957 card->seqno.pdu_hdr++;
1958 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1959 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1960 QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN);
1962 EXPORT_SYMBOL_GPL(qeth_prepare_control_data);
1964 int qeth_send_control_data(struct qeth_card *card, int len,
1965 struct qeth_cmd_buffer *iob,
1966 int (*reply_cb)(struct qeth_card *, struct qeth_reply *,
1971 unsigned long flags;
1972 struct qeth_reply *reply = NULL;
1973 unsigned long timeout, event_timeout;
1974 struct qeth_ipa_cmd *cmd;
1976 QETH_CARD_TEXT(card, 2, "sendctl");
1978 if (card->read_or_write_problem) {
1979 qeth_release_buffer(iob->channel, iob);
1982 reply = qeth_alloc_reply(card);
1986 reply->callback = reply_cb;
1987 reply->param = reply_param;
1988 if (card->state == CARD_STATE_DOWN)
1989 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1991 reply->seqno = card->seqno.ipa++;
1992 init_waitqueue_head(&reply->wait_q);
1993 spin_lock_irqsave(&card->lock, flags);
1994 list_add_tail(&reply->list, &card->cmd_waiter_list);
1995 spin_unlock_irqrestore(&card->lock, flags);
1996 QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN);
1998 while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ;
1999 qeth_prepare_control_data(card, len, iob);
2001 if (IS_IPA(iob->data))
2002 event_timeout = QETH_IPA_TIMEOUT;
2004 event_timeout = QETH_TIMEOUT;
2005 timeout = jiffies + event_timeout;
2007 QETH_CARD_TEXT(card, 6, "noirqpnd");
2008 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
2009 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
2010 (addr_t) iob, 0, 0);
2011 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
2013 QETH_DBF_MESSAGE(2, "%s qeth_send_control_data: "
2014 "ccw_device_start rc = %i\n",
2015 dev_name(&card->write.ccwdev->dev), rc);
2016 QETH_CARD_TEXT_(card, 2, " err%d", rc);
2017 spin_lock_irqsave(&card->lock, flags);
2018 list_del_init(&reply->list);
2019 qeth_put_reply(reply);
2020 spin_unlock_irqrestore(&card->lock, flags);
2021 qeth_release_buffer(iob->channel, iob);
2022 atomic_set(&card->write.irq_pending, 0);
2023 wake_up(&card->wait_q);
2027 /* we have only one long running ipassist, since we can ensure
2028 process context of this command we can sleep */
2029 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2030 if ((cmd->hdr.command == IPA_CMD_SETIP) &&
2031 (cmd->hdr.prot_version == QETH_PROT_IPV4)) {
2032 if (!wait_event_timeout(reply->wait_q,
2033 atomic_read(&reply->received), event_timeout))
2036 while (!atomic_read(&reply->received)) {
2037 if (time_after(jiffies, timeout))
2043 if (reply->rc == -EIO)
2046 qeth_put_reply(reply);
2051 spin_lock_irqsave(&reply->card->lock, flags);
2052 list_del_init(&reply->list);
2053 spin_unlock_irqrestore(&reply->card->lock, flags);
2054 atomic_inc(&reply->received);
2056 atomic_set(&card->write.irq_pending, 0);
2057 qeth_release_buffer(iob->channel, iob);
2058 card->write.buf_no = (card->write.buf_no + 1) % QETH_CMD_BUFFER_NO;
2060 qeth_put_reply(reply);
2063 EXPORT_SYMBOL_GPL(qeth_send_control_data);
2065 static int qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2068 struct qeth_cmd_buffer *iob;
2070 QETH_DBF_TEXT(SETUP, 2, "cmenblcb");
2072 iob = (struct qeth_cmd_buffer *) data;
2073 memcpy(&card->token.cm_filter_r,
2074 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2075 QETH_MPC_TOKEN_LENGTH);
2076 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2080 static int qeth_cm_enable(struct qeth_card *card)
2083 struct qeth_cmd_buffer *iob;
2085 QETH_DBF_TEXT(SETUP, 2, "cmenable");
2087 iob = qeth_wait_for_buffer(&card->write);
2088 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2089 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2090 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2091 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2092 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2094 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2095 qeth_cm_enable_cb, NULL);
2099 static int qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2103 struct qeth_cmd_buffer *iob;
2105 QETH_DBF_TEXT(SETUP, 2, "cmsetpcb");
2107 iob = (struct qeth_cmd_buffer *) data;
2108 memcpy(&card->token.cm_connection_r,
2109 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2110 QETH_MPC_TOKEN_LENGTH);
2111 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2115 static int qeth_cm_setup(struct qeth_card *card)
2118 struct qeth_cmd_buffer *iob;
2120 QETH_DBF_TEXT(SETUP, 2, "cmsetup");
2122 iob = qeth_wait_for_buffer(&card->write);
2123 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2124 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2125 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2126 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2127 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2128 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2129 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2130 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2131 qeth_cm_setup_cb, NULL);
2136 static inline int qeth_get_initial_mtu_for_card(struct qeth_card *card)
2138 switch (card->info.type) {
2139 case QETH_CARD_TYPE_UNKNOWN:
2141 case QETH_CARD_TYPE_IQD:
2142 return card->info.max_mtu;
2143 case QETH_CARD_TYPE_OSD:
2144 switch (card->info.link_type) {
2145 case QETH_LINK_TYPE_HSTR:
2146 case QETH_LINK_TYPE_LANE_TR:
2151 case QETH_CARD_TYPE_OSM:
2152 case QETH_CARD_TYPE_OSX:
2159 static inline int qeth_get_mtu_outof_framesize(int framesize)
2161 switch (framesize) {
2175 static inline int qeth_mtu_is_valid(struct qeth_card *card, int mtu)
2177 switch (card->info.type) {
2178 case QETH_CARD_TYPE_OSD:
2179 case QETH_CARD_TYPE_OSM:
2180 case QETH_CARD_TYPE_OSX:
2181 case QETH_CARD_TYPE_IQD:
2182 return ((mtu >= 576) &&
2183 (mtu <= card->info.max_mtu));
2184 case QETH_CARD_TYPE_OSN:
2185 case QETH_CARD_TYPE_UNKNOWN:
2191 static int qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2195 __u16 mtu, framesize;
2198 struct qeth_cmd_buffer *iob;
2200 QETH_DBF_TEXT(SETUP, 2, "ulpenacb");
2202 iob = (struct qeth_cmd_buffer *) data;
2203 memcpy(&card->token.ulp_filter_r,
2204 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2205 QETH_MPC_TOKEN_LENGTH);
2206 if (card->info.type == QETH_CARD_TYPE_IQD) {
2207 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2208 mtu = qeth_get_mtu_outof_framesize(framesize);
2211 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2214 if (card->info.initial_mtu && (card->info.initial_mtu != mtu)) {
2215 /* frame size has changed */
2217 ((card->dev->mtu == card->info.initial_mtu) ||
2218 (card->dev->mtu > mtu)))
2219 card->dev->mtu = mtu;
2220 qeth_free_qdio_buffers(card);
2222 card->info.initial_mtu = mtu;
2223 card->info.max_mtu = mtu;
2224 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2226 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2227 card->info.max_mtu = *(__u16 *)QETH_ULP_ENABLE_RESP_MAX_MTU(
2229 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2232 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2233 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2235 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2236 card->info.link_type = link_type;
2238 card->info.link_type = 0;
2239 QETH_DBF_TEXT_(SETUP, 2, "link%d", card->info.link_type);
2240 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2244 static int qeth_ulp_enable(struct qeth_card *card)
2248 struct qeth_cmd_buffer *iob;
2250 /*FIXME: trace view callbacks*/
2251 QETH_DBF_TEXT(SETUP, 2, "ulpenabl");
2253 iob = qeth_wait_for_buffer(&card->write);
2254 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2256 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2257 (__u8) card->info.portno;
2258 if (card->options.layer2)
2259 if (card->info.type == QETH_CARD_TYPE_OSN)
2260 prot_type = QETH_PROT_OSN2;
2262 prot_type = QETH_PROT_LAYER2;
2264 prot_type = QETH_PROT_TCPIP;
2266 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data), &prot_type, 1);
2267 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2268 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2269 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2270 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2271 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2272 card->info.portname, 9);
2273 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2274 qeth_ulp_enable_cb, NULL);
2279 static int qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2282 struct qeth_cmd_buffer *iob;
2285 QETH_DBF_TEXT(SETUP, 2, "ulpstpcb");
2287 iob = (struct qeth_cmd_buffer *) data;
2288 memcpy(&card->token.ulp_connection_r,
2289 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2290 QETH_MPC_TOKEN_LENGTH);
2291 if (!strncmp("00S", QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2293 QETH_DBF_TEXT(SETUP, 2, "olmlimit");
2294 dev_err(&card->gdev->dev, "A connection could not be "
2295 "established because of an OLM limit\n");
2298 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2302 static int qeth_ulp_setup(struct qeth_card *card)
2306 struct qeth_cmd_buffer *iob;
2307 struct ccw_dev_id dev_id;
2309 QETH_DBF_TEXT(SETUP, 2, "ulpsetup");
2311 iob = qeth_wait_for_buffer(&card->write);
2312 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2314 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2315 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2316 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2317 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2318 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2319 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2321 ccw_device_get_id(CARD_DDEV(card), &dev_id);
2322 memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2);
2323 temp = (card->info.cula << 8) + card->info.unit_addr2;
2324 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2325 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2326 qeth_ulp_setup_cb, NULL);
2330 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *q, int bidx)
2333 struct qeth_qdio_out_buffer *newbuf;
2336 newbuf = kmem_cache_zalloc(qeth_qdio_outbuf_cache, GFP_ATOMIC);
2341 newbuf->buffer = &q->qdio_bufs[bidx];
2342 skb_queue_head_init(&newbuf->skb_list);
2343 lockdep_set_class(&newbuf->skb_list.lock, &qdio_out_skb_queue_key);
2346 newbuf->next_pending = q->bufs[bidx];
2347 atomic_set(&newbuf->state, QETH_QDIO_BUF_EMPTY);
2348 q->bufs[bidx] = newbuf;
2350 q->bufstates[bidx].user = newbuf;
2351 QETH_CARD_TEXT_(q->card, 2, "nbs%d", bidx);
2352 QETH_CARD_TEXT_(q->card, 2, "%lx", (long) newbuf);
2353 QETH_CARD_TEXT_(q->card, 2, "%lx",
2354 (long) newbuf->next_pending);
2361 static int qeth_alloc_qdio_buffers(struct qeth_card *card)
2365 QETH_DBF_TEXT(SETUP, 2, "allcqdbf");
2367 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
2368 QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
2371 card->qdio.in_q = kzalloc(sizeof(struct qeth_qdio_q),
2373 if (!card->qdio.in_q)
2375 QETH_DBF_TEXT(SETUP, 2, "inq");
2376 QETH_DBF_HEX(SETUP, 2, &card->qdio.in_q, sizeof(void *));
2377 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
2378 /* give inbound qeth_qdio_buffers their qdio_buffers */
2379 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
2380 card->qdio.in_q->bufs[i].buffer =
2381 &card->qdio.in_q->qdio_bufs[i];
2382 card->qdio.in_q->bufs[i].rx_skb = NULL;
2384 /* inbound buffer pool */
2385 if (qeth_alloc_buffer_pool(card))
2390 kzalloc(card->qdio.no_out_queues *
2391 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
2392 if (!card->qdio.out_qs)
2394 for (i = 0; i < card->qdio.no_out_queues; ++i) {
2395 card->qdio.out_qs[i] = kzalloc(sizeof(struct qeth_qdio_out_q),
2397 if (!card->qdio.out_qs[i])
2399 QETH_DBF_TEXT_(SETUP, 2, "outq %i", i);
2400 QETH_DBF_HEX(SETUP, 2, &card->qdio.out_qs[i], sizeof(void *));
2401 card->qdio.out_qs[i]->queue_no = i;
2402 /* give outbound qeth_qdio_buffers their qdio_buffers */
2403 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
2404 BUG_ON(card->qdio.out_qs[i]->bufs[j] != NULL);
2405 if (qeth_init_qdio_out_buf(card->qdio.out_qs[i], j))
2406 goto out_freeoutqbufs;
2411 if (qeth_alloc_cq(card))
2419 kmem_cache_free(qeth_qdio_outbuf_cache,
2420 card->qdio.out_qs[i]->bufs[j]);
2421 card->qdio.out_qs[i]->bufs[j] = NULL;
2425 kfree(card->qdio.out_qs[--i]);
2426 qeth_clear_outq_buffers(card->qdio.out_qs[i], 1);
2428 kfree(card->qdio.out_qs);
2429 card->qdio.out_qs = NULL;
2431 qeth_free_buffer_pool(card);
2433 kfree(card->qdio.in_q);
2434 card->qdio.in_q = NULL;
2436 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
2440 static void qeth_create_qib_param_field(struct qeth_card *card,
2444 param_field[0] = _ascebc['P'];
2445 param_field[1] = _ascebc['C'];
2446 param_field[2] = _ascebc['I'];
2447 param_field[3] = _ascebc['T'];
2448 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
2449 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
2450 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
2453 static void qeth_create_qib_param_field_blkt(struct qeth_card *card,
2456 param_field[16] = _ascebc['B'];
2457 param_field[17] = _ascebc['L'];
2458 param_field[18] = _ascebc['K'];
2459 param_field[19] = _ascebc['T'];
2460 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
2461 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
2462 *((unsigned int *) (¶m_field[28])) =
2463 card->info.blkt.inter_packet_jumbo;
2466 static int qeth_qdio_activate(struct qeth_card *card)
2468 QETH_DBF_TEXT(SETUP, 3, "qdioact");
2469 return qdio_activate(CARD_DDEV(card));
2472 static int qeth_dm_act(struct qeth_card *card)
2475 struct qeth_cmd_buffer *iob;
2477 QETH_DBF_TEXT(SETUP, 2, "dmact");
2479 iob = qeth_wait_for_buffer(&card->write);
2480 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
2482 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
2483 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2484 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
2485 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
2486 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
2490 static int qeth_mpc_initialize(struct qeth_card *card)
2494 QETH_DBF_TEXT(SETUP, 2, "mpcinit");
2496 rc = qeth_issue_next_read(card);
2498 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
2501 rc = qeth_cm_enable(card);
2503 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
2506 rc = qeth_cm_setup(card);
2508 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
2511 rc = qeth_ulp_enable(card);
2513 QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
2516 rc = qeth_ulp_setup(card);
2518 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
2521 rc = qeth_alloc_qdio_buffers(card);
2523 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
2526 rc = qeth_qdio_establish(card);
2528 QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
2529 qeth_free_qdio_buffers(card);
2532 rc = qeth_qdio_activate(card);
2534 QETH_DBF_TEXT_(SETUP, 2, "7err%d", rc);
2537 rc = qeth_dm_act(card);
2539 QETH_DBF_TEXT_(SETUP, 2, "8err%d", rc);
2545 qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
2549 static void qeth_print_status_with_portname(struct qeth_card *card)
2554 sprintf(dbf_text, "%s", card->info.portname + 1);
2555 for (i = 0; i < 8; i++)
2557 (char) _ebcasc[(__u8) dbf_text[i]];
2559 dev_info(&card->gdev->dev, "Device is a%s card%s%s%s\n"
2560 "with link type %s (portname: %s)\n",
2561 qeth_get_cardname(card),
2562 (card->info.mcl_level[0]) ? " (level: " : "",
2563 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
2564 (card->info.mcl_level[0]) ? ")" : "",
2565 qeth_get_cardname_short(card),
2570 static void qeth_print_status_no_portname(struct qeth_card *card)
2572 if (card->info.portname[0])
2573 dev_info(&card->gdev->dev, "Device is a%s "
2574 "card%s%s%s\nwith link type %s "
2575 "(no portname needed by interface).\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));
2582 dev_info(&card->gdev->dev, "Device is a%s "
2583 "card%s%s%s\nwith link type %s.\n",
2584 qeth_get_cardname(card),
2585 (card->info.mcl_level[0]) ? " (level: " : "",
2586 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
2587 (card->info.mcl_level[0]) ? ")" : "",
2588 qeth_get_cardname_short(card));
2591 void qeth_print_status_message(struct qeth_card *card)
2593 switch (card->info.type) {
2594 case QETH_CARD_TYPE_OSD:
2595 case QETH_CARD_TYPE_OSM:
2596 case QETH_CARD_TYPE_OSX:
2597 /* VM will use a non-zero first character
2598 * to indicate a HiperSockets like reporting
2599 * of the level OSA sets the first character to zero
2601 if (!card->info.mcl_level[0]) {
2602 sprintf(card->info.mcl_level, "%02x%02x",
2603 card->info.mcl_level[2],
2604 card->info.mcl_level[3]);
2606 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
2610 case QETH_CARD_TYPE_IQD:
2611 if ((card->info.guestlan) ||
2612 (card->info.mcl_level[0] & 0x80)) {
2613 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
2614 card->info.mcl_level[0]];
2615 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
2616 card->info.mcl_level[1]];
2617 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
2618 card->info.mcl_level[2]];
2619 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
2620 card->info.mcl_level[3]];
2621 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
2625 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
2627 if (card->info.portname_required)
2628 qeth_print_status_with_portname(card);
2630 qeth_print_status_no_portname(card);
2632 EXPORT_SYMBOL_GPL(qeth_print_status_message);
2634 static void qeth_initialize_working_pool_list(struct qeth_card *card)
2636 struct qeth_buffer_pool_entry *entry;
2638 QETH_CARD_TEXT(card, 5, "inwrklst");
2640 list_for_each_entry(entry,
2641 &card->qdio.init_pool.entry_list, init_list) {
2642 qeth_put_buffer_pool_entry(card, entry);
2646 static inline struct qeth_buffer_pool_entry *qeth_find_free_buffer_pool_entry(
2647 struct qeth_card *card)
2649 struct list_head *plh;
2650 struct qeth_buffer_pool_entry *entry;
2654 if (list_empty(&card->qdio.in_buf_pool.entry_list))
2657 list_for_each(plh, &card->qdio.in_buf_pool.entry_list) {
2658 entry = list_entry(plh, struct qeth_buffer_pool_entry, list);
2660 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2661 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2667 list_del_init(&entry->list);
2672 /* no free buffer in pool so take first one and swap pages */
2673 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2674 struct qeth_buffer_pool_entry, list);
2675 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2676 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2677 page = alloc_page(GFP_ATOMIC);
2681 free_page((unsigned long)entry->elements[i]);
2682 entry->elements[i] = page_address(page);
2683 if (card->options.performance_stats)
2684 card->perf_stats.sg_alloc_page_rx++;
2688 list_del_init(&entry->list);
2692 static int qeth_init_input_buffer(struct qeth_card *card,
2693 struct qeth_qdio_buffer *buf)
2695 struct qeth_buffer_pool_entry *pool_entry;
2698 if ((card->options.cq == QETH_CQ_ENABLED) && (!buf->rx_skb)) {
2699 buf->rx_skb = dev_alloc_skb(QETH_RX_PULL_LEN + ETH_HLEN);
2704 pool_entry = qeth_find_free_buffer_pool_entry(card);
2709 * since the buffer is accessed only from the input_tasklet
2710 * there shouldn't be a need to synchronize; also, since we use
2711 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2715 buf->pool_entry = pool_entry;
2716 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2717 buf->buffer->element[i].length = PAGE_SIZE;
2718 buf->buffer->element[i].addr = pool_entry->elements[i];
2719 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2720 buf->buffer->element[i].eflags = SBAL_EFLAGS_LAST_ENTRY;
2722 buf->buffer->element[i].eflags = 0;
2723 buf->buffer->element[i].sflags = 0;
2728 int qeth_init_qdio_queues(struct qeth_card *card)
2733 QETH_DBF_TEXT(SETUP, 2, "initqdqs");
2736 memset(card->qdio.in_q->qdio_bufs, 0,
2737 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
2738 qeth_initialize_working_pool_list(card);
2739 /*give only as many buffers to hardware as we have buffer pool entries*/
2740 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
2741 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
2742 card->qdio.in_q->next_buf_to_init =
2743 card->qdio.in_buf_pool.buf_count - 1;
2744 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
2745 card->qdio.in_buf_pool.buf_count - 1);
2747 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
2752 rc = qeth_cq_init(card);
2757 /* outbound queue */
2758 for (i = 0; i < card->qdio.no_out_queues; ++i) {
2759 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
2760 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
2761 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
2762 qeth_clear_output_buffer(card->qdio.out_qs[i],
2763 card->qdio.out_qs[i]->bufs[j],
2764 QETH_QDIO_BUF_EMPTY);
2766 card->qdio.out_qs[i]->card = card;
2767 card->qdio.out_qs[i]->next_buf_to_fill = 0;
2768 card->qdio.out_qs[i]->do_pack = 0;
2769 atomic_set(&card->qdio.out_qs[i]->used_buffers, 0);
2770 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
2771 atomic_set(&card->qdio.out_qs[i]->state,
2772 QETH_OUT_Q_UNLOCKED);
2776 EXPORT_SYMBOL_GPL(qeth_init_qdio_queues);
2778 static inline __u8 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
2780 switch (link_type) {
2781 case QETH_LINK_TYPE_HSTR:
2788 static void qeth_fill_ipacmd_header(struct qeth_card *card,
2789 struct qeth_ipa_cmd *cmd, __u8 command,
2790 enum qeth_prot_versions prot)
2792 memset(cmd, 0, sizeof(struct qeth_ipa_cmd));
2793 cmd->hdr.command = command;
2794 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
2795 cmd->hdr.seqno = card->seqno.ipa;
2796 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
2797 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
2798 if (card->options.layer2)
2799 cmd->hdr.prim_version_no = 2;
2801 cmd->hdr.prim_version_no = 1;
2802 cmd->hdr.param_count = 1;
2803 cmd->hdr.prot_version = prot;
2804 cmd->hdr.ipa_supported = 0;
2805 cmd->hdr.ipa_enabled = 0;
2808 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *card,
2809 enum qeth_ipa_cmds ipacmd, enum qeth_prot_versions prot)
2811 struct qeth_cmd_buffer *iob;
2812 struct qeth_ipa_cmd *cmd;
2814 iob = qeth_wait_for_buffer(&card->write);
2815 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2816 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
2820 EXPORT_SYMBOL_GPL(qeth_get_ipacmd_buffer);
2822 void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
2825 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
2826 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data), &prot_type, 1);
2827 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
2828 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
2830 EXPORT_SYMBOL_GPL(qeth_prepare_ipa_cmd);
2832 int qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
2833 int (*reply_cb)(struct qeth_card *, struct qeth_reply*,
2840 QETH_CARD_TEXT(card, 4, "sendipa");
2842 if (card->options.layer2)
2843 if (card->info.type == QETH_CARD_TYPE_OSN)
2844 prot_type = QETH_PROT_OSN2;
2846 prot_type = QETH_PROT_LAYER2;
2848 prot_type = QETH_PROT_TCPIP;
2849 qeth_prepare_ipa_cmd(card, iob, prot_type);
2850 rc = qeth_send_control_data(card, IPA_CMD_LENGTH,
2851 iob, reply_cb, reply_param);
2853 qeth_clear_ipacmd_list(card);
2854 qeth_schedule_recovery(card);
2858 EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd);
2860 int qeth_send_startlan(struct qeth_card *card)
2863 struct qeth_cmd_buffer *iob;
2865 QETH_DBF_TEXT(SETUP, 2, "strtlan");
2867 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_STARTLAN, 0);
2868 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
2871 EXPORT_SYMBOL_GPL(qeth_send_startlan);
2873 int qeth_default_setadapterparms_cb(struct qeth_card *card,
2874 struct qeth_reply *reply, unsigned long data)
2876 struct qeth_ipa_cmd *cmd;
2878 QETH_CARD_TEXT(card, 4, "defadpcb");
2880 cmd = (struct qeth_ipa_cmd *) data;
2881 if (cmd->hdr.return_code == 0)
2882 cmd->hdr.return_code =
2883 cmd->data.setadapterparms.hdr.return_code;
2886 EXPORT_SYMBOL_GPL(qeth_default_setadapterparms_cb);
2888 static int qeth_query_setadapterparms_cb(struct qeth_card *card,
2889 struct qeth_reply *reply, unsigned long data)
2891 struct qeth_ipa_cmd *cmd;
2893 QETH_CARD_TEXT(card, 3, "quyadpcb");
2895 cmd = (struct qeth_ipa_cmd *) data;
2896 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) {
2897 card->info.link_type =
2898 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
2899 QETH_DBF_TEXT_(SETUP, 2, "lnk %d", card->info.link_type);
2901 card->options.adp.supported_funcs =
2902 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
2903 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
2906 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card,
2907 __u32 command, __u32 cmdlen)
2909 struct qeth_cmd_buffer *iob;
2910 struct qeth_ipa_cmd *cmd;
2912 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETADAPTERPARMS,
2914 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2915 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
2916 cmd->data.setadapterparms.hdr.command_code = command;
2917 cmd->data.setadapterparms.hdr.used_total = 1;
2918 cmd->data.setadapterparms.hdr.seq_no = 1;
2922 EXPORT_SYMBOL_GPL(qeth_get_adapter_cmd);
2924 int qeth_query_setadapterparms(struct qeth_card *card)
2927 struct qeth_cmd_buffer *iob;
2929 QETH_CARD_TEXT(card, 3, "queryadp");
2930 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
2931 sizeof(struct qeth_ipacmd_setadpparms));
2932 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
2935 EXPORT_SYMBOL_GPL(qeth_query_setadapterparms);
2937 static int qeth_query_ipassists_cb(struct qeth_card *card,
2938 struct qeth_reply *reply, unsigned long data)
2940 struct qeth_ipa_cmd *cmd;
2942 QETH_DBF_TEXT(SETUP, 2, "qipasscb");
2944 cmd = (struct qeth_ipa_cmd *) data;
2946 switch (cmd->hdr.return_code) {
2947 case IPA_RC_NOTSUPP:
2948 case IPA_RC_L2_UNSUPPORTED_CMD:
2949 QETH_DBF_TEXT(SETUP, 2, "ipaunsup");
2950 card->options.ipa4.supported_funcs |= IPA_SETADAPTERPARMS;
2951 card->options.ipa6.supported_funcs |= IPA_SETADAPTERPARMS;
2954 if (cmd->hdr.return_code) {
2955 QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Unhandled "
2957 dev_name(&card->gdev->dev),
2958 cmd->hdr.return_code);
2963 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
2964 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
2965 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
2966 } else if (cmd->hdr.prot_version == QETH_PROT_IPV6) {
2967 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
2968 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
2970 QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Flawed LIC detected"
2971 "\n", dev_name(&card->gdev->dev));
2972 QETH_DBF_TEXT(SETUP, 2, "suppenbl");
2973 QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_supported);
2974 QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_enabled);
2978 int qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
2981 struct qeth_cmd_buffer *iob;
2983 QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot);
2984 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot);
2985 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
2988 EXPORT_SYMBOL_GPL(qeth_query_ipassists);
2990 static int qeth_query_setdiagass_cb(struct qeth_card *card,
2991 struct qeth_reply *reply, unsigned long data)
2993 struct qeth_ipa_cmd *cmd;
2996 cmd = (struct qeth_ipa_cmd *)data;
2997 rc = cmd->hdr.return_code;
2999 QETH_CARD_TEXT_(card, 2, "diagq:%x", rc);
3001 card->info.diagass_support = cmd->data.diagass.ext;
3005 static int qeth_query_setdiagass(struct qeth_card *card)
3007 struct qeth_cmd_buffer *iob;
3008 struct qeth_ipa_cmd *cmd;
3010 QETH_DBF_TEXT(SETUP, 2, "qdiagass");
3011 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
3012 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
3013 cmd->data.diagass.subcmd_len = 16;
3014 cmd->data.diagass.subcmd = QETH_DIAGS_CMD_QUERY;
3015 return qeth_send_ipa_cmd(card, iob, qeth_query_setdiagass_cb, NULL);
3018 static void qeth_get_trap_id(struct qeth_card *card, struct qeth_trap_id *tid)
3020 unsigned long info = get_zeroed_page(GFP_KERNEL);
3021 struct sysinfo_2_2_2 *info222 = (struct sysinfo_2_2_2 *)info;
3022 struct sysinfo_3_2_2 *info322 = (struct sysinfo_3_2_2 *)info;
3023 struct ccw_dev_id ccwid;
3026 tid->chpid = card->info.chpid;
3027 ccw_device_get_id(CARD_RDEV(card), &ccwid);
3028 tid->ssid = ccwid.ssid;
3029 tid->devno = ccwid.devno;
3032 level = stsi(NULL, 0, 0, 0);
3033 if ((level >= 2) && (stsi(info222, 2, 2, 2) == 0))
3034 tid->lparnr = info222->lpar_number;
3035 if ((level >= 3) && (stsi(info322, 3, 2, 2) == 0)) {
3036 EBCASC(info322->vm[0].name, sizeof(info322->vm[0].name));
3037 memcpy(tid->vmname, info322->vm[0].name, sizeof(tid->vmname));
3043 static int qeth_hw_trap_cb(struct qeth_card *card,
3044 struct qeth_reply *reply, unsigned long data)
3046 struct qeth_ipa_cmd *cmd;
3049 cmd = (struct qeth_ipa_cmd *)data;
3050 rc = cmd->hdr.return_code;
3052 QETH_CARD_TEXT_(card, 2, "trapc:%x", rc);
3056 int qeth_hw_trap(struct qeth_card *card, enum qeth_diags_trap_action action)
3058 struct qeth_cmd_buffer *iob;
3059 struct qeth_ipa_cmd *cmd;
3061 QETH_DBF_TEXT(SETUP, 2, "diagtrap");
3062 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
3063 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
3064 cmd->data.diagass.subcmd_len = 80;
3065 cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRAP;
3066 cmd->data.diagass.type = 1;
3067 cmd->data.diagass.action = action;
3069 case QETH_DIAGS_TRAP_ARM:
3070 cmd->data.diagass.options = 0x0003;
3071 cmd->data.diagass.ext = 0x00010000 +
3072 sizeof(struct qeth_trap_id);
3073 qeth_get_trap_id(card,
3074 (struct qeth_trap_id *)cmd->data.diagass.cdata);
3076 case QETH_DIAGS_TRAP_DISARM:
3077 cmd->data.diagass.options = 0x0001;
3079 case QETH_DIAGS_TRAP_CAPTURE:
3082 return qeth_send_ipa_cmd(card, iob, qeth_hw_trap_cb, NULL);
3084 EXPORT_SYMBOL_GPL(qeth_hw_trap);
3086 int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf,
3087 unsigned int qdio_error, const char *dbftext)
3090 QETH_CARD_TEXT(card, 2, dbftext);
3091 QETH_CARD_TEXT_(card, 2, " F15=%02X",
3092 buf->element[15].sflags);
3093 QETH_CARD_TEXT_(card, 2, " F14=%02X",
3094 buf->element[14].sflags);
3095 QETH_CARD_TEXT_(card, 2, " qerr=%X", qdio_error);
3096 if ((buf->element[15].sflags) == 0x12) {
3097 card->stats.rx_dropped++;
3104 EXPORT_SYMBOL_GPL(qeth_check_qdio_errors);
3106 void qeth_buffer_reclaim_work(struct work_struct *work)
3108 struct qeth_card *card = container_of(work, struct qeth_card,
3109 buffer_reclaim_work.work);
3111 QETH_CARD_TEXT_(card, 2, "brw:%x", card->reclaim_index);
3112 qeth_queue_input_buffer(card, card->reclaim_index);
3115 void qeth_queue_input_buffer(struct qeth_card *card, int index)
3117 struct qeth_qdio_q *queue = card->qdio.in_q;
3118 struct list_head *lh;
3124 count = (index < queue->next_buf_to_init)?
3125 card->qdio.in_buf_pool.buf_count -
3126 (queue->next_buf_to_init - index) :
3127 card->qdio.in_buf_pool.buf_count -
3128 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
3129 /* only requeue at a certain threshold to avoid SIGAs */
3130 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)) {
3131 for (i = queue->next_buf_to_init;
3132 i < queue->next_buf_to_init + count; ++i) {
3133 if (qeth_init_input_buffer(card,
3134 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) {
3141 if (newcount < count) {
3142 /* we are in memory shortage so we switch back to
3143 traditional skb allocation and drop packages */
3144 atomic_set(&card->force_alloc_skb, 3);
3147 atomic_add_unless(&card->force_alloc_skb, -1, 0);
3152 list_for_each(lh, &card->qdio.in_buf_pool.entry_list)
3154 if (i == card->qdio.in_buf_pool.buf_count) {
3155 QETH_CARD_TEXT(card, 2, "qsarbw");
3156 card->reclaim_index = index;
3157 schedule_delayed_work(
3158 &card->buffer_reclaim_work,
3159 QETH_RECLAIM_WORK_TIME);
3165 * according to old code it should be avoided to requeue all
3166 * 128 buffers in order to benefit from PCI avoidance.
3167 * this function keeps at least one buffer (the buffer at
3168 * 'index') un-requeued -> this buffer is the first buffer that
3169 * will be requeued the next time
3171 if (card->options.performance_stats) {
3172 card->perf_stats.inbound_do_qdio_cnt++;
3173 card->perf_stats.inbound_do_qdio_start_time =
3176 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0,
3177 queue->next_buf_to_init, count);
3178 if (card->options.performance_stats)
3179 card->perf_stats.inbound_do_qdio_time +=
3181 card->perf_stats.inbound_do_qdio_start_time;
3183 QETH_CARD_TEXT(card, 2, "qinberr");
3185 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
3186 QDIO_MAX_BUFFERS_PER_Q;
3189 EXPORT_SYMBOL_GPL(qeth_queue_input_buffer);
3191 static int qeth_handle_send_error(struct qeth_card *card,
3192 struct qeth_qdio_out_buffer *buffer, unsigned int qdio_err)
3194 int sbalf15 = buffer->buffer->element[15].sflags;
3196 QETH_CARD_TEXT(card, 6, "hdsnderr");
3197 if (card->info.type == QETH_CARD_TYPE_IQD) {
3204 qeth_check_qdio_errors(card, buffer->buffer, qdio_err, "qouterr");
3207 return QETH_SEND_ERROR_NONE;
3209 if ((sbalf15 >= 15) && (sbalf15 <= 31))
3210 return QETH_SEND_ERROR_RETRY;
3212 QETH_CARD_TEXT(card, 1, "lnkfail");
3213 QETH_CARD_TEXT_(card, 1, "%04x %02x",
3214 (u16)qdio_err, (u8)sbalf15);
3215 return QETH_SEND_ERROR_LINK_FAILURE;
3219 * Switched to packing state if the number of used buffers on a queue
3220 * reaches a certain limit.
3222 static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
3224 if (!queue->do_pack) {
3225 if (atomic_read(&queue->used_buffers)
3226 >= QETH_HIGH_WATERMARK_PACK){
3227 /* switch non-PACKING -> PACKING */
3228 QETH_CARD_TEXT(queue->card, 6, "np->pack");
3229 if (queue->card->options.performance_stats)
3230 queue->card->perf_stats.sc_dp_p++;
3237 * Switches from packing to non-packing mode. If there is a packing
3238 * buffer on the queue this buffer will be prepared to be flushed.
3239 * In that case 1 is returned to inform the caller. If no buffer
3240 * has to be flushed, zero is returned.
3242 static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
3244 struct qeth_qdio_out_buffer *buffer;
3245 int flush_count = 0;
3247 if (queue->do_pack) {
3248 if (atomic_read(&queue->used_buffers)
3249 <= QETH_LOW_WATERMARK_PACK) {
3250 /* switch PACKING -> non-PACKING */
3251 QETH_CARD_TEXT(queue->card, 6, "pack->np");
3252 if (queue->card->options.performance_stats)
3253 queue->card->perf_stats.sc_p_dp++;
3255 /* flush packing buffers */
3256 buffer = queue->bufs[queue->next_buf_to_fill];
3257 if ((atomic_read(&buffer->state) ==
3258 QETH_QDIO_BUF_EMPTY) &&
3259 (buffer->next_element_to_fill > 0)) {
3260 atomic_set(&buffer->state,
3261 QETH_QDIO_BUF_PRIMED);
3263 queue->next_buf_to_fill =
3264 (queue->next_buf_to_fill + 1) %
3265 QDIO_MAX_BUFFERS_PER_Q;
3274 * Called to flush a packing buffer if no more pci flags are on the queue.
3275 * Checks if there is a packing buffer and prepares it to be flushed.
3276 * In that case returns 1, otherwise zero.
3278 static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
3280 struct qeth_qdio_out_buffer *buffer;
3282 buffer = queue->bufs[queue->next_buf_to_fill];
3283 if ((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
3284 (buffer->next_element_to_fill > 0)) {
3285 /* it's a packing buffer */
3286 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3287 queue->next_buf_to_fill =
3288 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
3294 static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
3297 struct qeth_qdio_out_buffer *buf;
3300 unsigned int qdio_flags;
3302 for (i = index; i < index + count; ++i) {
3303 int bidx = i % QDIO_MAX_BUFFERS_PER_Q;
3304 buf = queue->bufs[bidx];
3305 buf->buffer->element[buf->next_element_to_fill - 1].eflags |=
3306 SBAL_EFLAGS_LAST_ENTRY;
3308 if (queue->bufstates)
3309 queue->bufstates[bidx].user = buf;
3311 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
3314 if (!queue->do_pack) {
3315 if ((atomic_read(&queue->used_buffers) >=
3316 (QETH_HIGH_WATERMARK_PACK -
3317 QETH_WATERMARK_PACK_FUZZ)) &&
3318 !atomic_read(&queue->set_pci_flags_count)) {
3319 /* it's likely that we'll go to packing
3321 atomic_inc(&queue->set_pci_flags_count);
3322 buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ;
3325 if (!atomic_read(&queue->set_pci_flags_count)) {
3327 * there's no outstanding PCI any more, so we
3328 * have to request a PCI to be sure the the PCI
3329 * will wake at some time in the future then we
3330 * can flush packed buffers that might still be
3331 * hanging around, which can happen if no
3332 * further send was requested by the stack
3334 atomic_inc(&queue->set_pci_flags_count);
3335 buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ;
3340 queue->card->dev->trans_start = jiffies;
3341 if (queue->card->options.performance_stats) {
3342 queue->card->perf_stats.outbound_do_qdio_cnt++;
3343 queue->card->perf_stats.outbound_do_qdio_start_time =
3346 qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
3347 if (atomic_read(&queue->set_pci_flags_count))
3348 qdio_flags |= QDIO_FLAG_PCI_OUT;
3349 rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
3350 queue->queue_no, index, count);
3351 if (queue->card->options.performance_stats)
3352 queue->card->perf_stats.outbound_do_qdio_time +=
3354 queue->card->perf_stats.outbound_do_qdio_start_time;
3355 atomic_add(count, &queue->used_buffers);
3357 queue->card->stats.tx_errors += count;
3358 /* ignore temporary SIGA errors without busy condition */
3361 QETH_CARD_TEXT(queue->card, 2, "flushbuf");
3362 QETH_CARD_TEXT_(queue->card, 2, " q%d", queue->queue_no);
3363 QETH_CARD_TEXT_(queue->card, 2, " idx%d", index);
3364 QETH_CARD_TEXT_(queue->card, 2, " c%d", count);
3365 QETH_CARD_TEXT_(queue->card, 2, " err%d", rc);
3367 /* this must not happen under normal circumstances. if it
3368 * happens something is really wrong -> recover */
3369 qeth_schedule_recovery(queue->card);
3372 if (queue->card->options.performance_stats)
3373 queue->card->perf_stats.bufs_sent += count;
3376 static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
3380 int q_was_packing = 0;
3383 * check if weed have to switch to non-packing mode or if
3384 * we have to get a pci flag out on the queue
3386 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
3387 !atomic_read(&queue->set_pci_flags_count)) {
3388 if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
3389 QETH_OUT_Q_UNLOCKED) {
3391 * If we get in here, there was no action in
3392 * do_send_packet. So, we check if there is a
3393 * packing buffer to be flushed here.
3395 netif_stop_queue(queue->card->dev);
3396 index = queue->next_buf_to_fill;
3397 q_was_packing = queue->do_pack;
3398 /* queue->do_pack may change */
3400 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3402 !atomic_read(&queue->set_pci_flags_count))
3404 qeth_flush_buffers_on_no_pci(queue);
3405 if (queue->card->options.performance_stats &&
3407 queue->card->perf_stats.bufs_sent_pack +=
3410 qeth_flush_buffers(queue, index, flush_cnt);
3411 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3416 void qeth_qdio_start_poll(struct ccw_device *ccwdev, int queue,
3417 unsigned long card_ptr)
3419 struct qeth_card *card = (struct qeth_card *)card_ptr;
3421 if (card->dev && (card->dev->flags & IFF_UP))
3422 napi_schedule(&card->napi);
3424 EXPORT_SYMBOL_GPL(qeth_qdio_start_poll);
3426 int qeth_configure_cq(struct qeth_card *card, enum qeth_cq cq)
3430 if (card->options.cq == QETH_CQ_NOTAVAILABLE) {
3434 if (card->options.cq == cq) {
3439 if (card->state != CARD_STATE_DOWN &&
3440 card->state != CARD_STATE_RECOVER) {
3445 qeth_free_qdio_buffers(card);
3446 card->options.cq = cq;
3453 EXPORT_SYMBOL_GPL(qeth_configure_cq);
3456 static void qeth_qdio_cq_handler(struct qeth_card *card,
3457 unsigned int qdio_err,
3458 unsigned int queue, int first_element, int count) {
3459 struct qeth_qdio_q *cq = card->qdio.c_q;
3463 if (!qeth_is_cq(card, queue))
3466 QETH_CARD_TEXT_(card, 5, "qcqhe%d", first_element);
3467 QETH_CARD_TEXT_(card, 5, "qcqhc%d", count);
3468 QETH_CARD_TEXT_(card, 5, "qcqherr%d", qdio_err);
3471 netif_stop_queue(card->dev);
3472 qeth_schedule_recovery(card);
3476 if (card->options.performance_stats) {
3477 card->perf_stats.cq_cnt++;
3478 card->perf_stats.cq_start_time = qeth_get_micros();
3481 for (i = first_element; i < first_element + count; ++i) {
3482 int bidx = i % QDIO_MAX_BUFFERS_PER_Q;
3483 struct qdio_buffer *buffer = &cq->qdio_bufs[bidx];
3487 while (buffer->element[e].addr) {
3488 unsigned long phys_aob_addr;
3490 phys_aob_addr = (unsigned long) buffer->element[e].addr;
3491 qeth_qdio_handle_aob(card, phys_aob_addr);
3492 buffer->element[e].addr = NULL;
3493 buffer->element[e].eflags = 0;
3494 buffer->element[e].sflags = 0;
3495 buffer->element[e].length = 0;
3500 buffer->element[15].eflags = 0;
3501 buffer->element[15].sflags = 0;
3503 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, queue,
3504 card->qdio.c_q->next_buf_to_init,
3507 dev_warn(&card->gdev->dev,
3508 "QDIO reported an error, rc=%i\n", rc);
3509 QETH_CARD_TEXT(card, 2, "qcqherr");
3511 card->qdio.c_q->next_buf_to_init = (card->qdio.c_q->next_buf_to_init
3512 + count) % QDIO_MAX_BUFFERS_PER_Q;
3514 netif_wake_queue(card->dev);
3516 if (card->options.performance_stats) {
3517 int delta_t = qeth_get_micros();
3518 delta_t -= card->perf_stats.cq_start_time;
3519 card->perf_stats.cq_time += delta_t;
3525 void qeth_qdio_input_handler(struct ccw_device *ccwdev, unsigned int qdio_err,
3526 unsigned int queue, int first_elem, int count,
3527 unsigned long card_ptr)
3529 struct qeth_card *card = (struct qeth_card *)card_ptr;
3531 QETH_CARD_TEXT_(card, 2, "qihq%d", queue);
3532 QETH_CARD_TEXT_(card, 2, "qiec%d", qdio_err);
3534 if (qeth_is_cq(card, queue))
3535 qeth_qdio_cq_handler(card, qdio_err, queue, first_elem, count);
3537 qeth_schedule_recovery(card);
3541 EXPORT_SYMBOL_GPL(qeth_qdio_input_handler);
3543 void qeth_qdio_output_handler(struct ccw_device *ccwdev,
3544 unsigned int qdio_error, int __queue, int first_element,
3545 int count, unsigned long card_ptr)
3547 struct qeth_card *card = (struct qeth_card *) card_ptr;
3548 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3549 struct qeth_qdio_out_buffer *buffer;
3552 QETH_CARD_TEXT(card, 6, "qdouhdl");
3553 if (qdio_error & QDIO_ERROR_FATAL) {
3554 QETH_CARD_TEXT(card, 2, "achkcond");
3555 netif_stop_queue(card->dev);
3556 qeth_schedule_recovery(card);
3559 if (card->options.performance_stats) {
3560 card->perf_stats.outbound_handler_cnt++;
3561 card->perf_stats.outbound_handler_start_time =
3564 for (i = first_element; i < (first_element + count); ++i) {
3565 int bidx = i % QDIO_MAX_BUFFERS_PER_Q;
3566 buffer = queue->bufs[bidx];
3567 qeth_handle_send_error(card, buffer, qdio_error);
3569 if (queue->bufstates &&
3570 (queue->bufstates[bidx].flags &
3571 QDIO_OUTBUF_STATE_FLAG_PENDING) != 0) {
3572 BUG_ON(card->options.cq != QETH_CQ_ENABLED);
3574 if (atomic_cmpxchg(&buffer->state,
3575 QETH_QDIO_BUF_PRIMED,
3576 QETH_QDIO_BUF_PENDING) ==
3577 QETH_QDIO_BUF_PRIMED) {
3578 qeth_notify_skbs(queue, buffer,
3581 buffer->aob = queue->bufstates[bidx].aob;
3582 QETH_CARD_TEXT_(queue->card, 5, "pel%d", bidx);
3583 QETH_CARD_TEXT(queue->card, 5, "aob");
3584 QETH_CARD_TEXT_(queue->card, 5, "%lx",
3585 virt_to_phys(buffer->aob));
3586 BUG_ON(bidx < 0 || bidx >= QDIO_MAX_BUFFERS_PER_Q);
3587 if (qeth_init_qdio_out_buf(queue, bidx)) {
3588 QETH_CARD_TEXT(card, 2, "outofbuf");
3589 qeth_schedule_recovery(card);
3592 if (card->options.cq == QETH_CQ_ENABLED) {
3593 enum iucv_tx_notify n;
3595 n = qeth_compute_cq_notification(
3596 buffer->buffer->element[15].sflags, 0);
3597 qeth_notify_skbs(queue, buffer, n);
3600 qeth_clear_output_buffer(queue, buffer,
3601 QETH_QDIO_BUF_EMPTY);
3603 qeth_cleanup_handled_pending(queue, bidx, 0);
3605 atomic_sub(count, &queue->used_buffers);
3606 /* check if we need to do something on this outbound queue */
3607 if (card->info.type != QETH_CARD_TYPE_IQD)
3608 qeth_check_outbound_queue(queue);
3610 netif_wake_queue(queue->card->dev);
3611 if (card->options.performance_stats)
3612 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3613 card->perf_stats.outbound_handler_start_time;
3615 EXPORT_SYMBOL_GPL(qeth_qdio_output_handler);
3617 int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3618 int ipv, int cast_type)
3620 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSD ||
3621 card->info.type == QETH_CARD_TYPE_OSX))
3622 return card->qdio.default_out_queue;
3623 switch (card->qdio.no_out_queues) {
3625 if (cast_type && card->info.is_multicast_different)
3626 return card->info.is_multicast_different &
3627 (card->qdio.no_out_queues - 1);
3628 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3629 const u8 tos = ip_hdr(skb)->tos;
3631 if (card->qdio.do_prio_queueing ==
3632 QETH_PRIO_Q_ING_TOS) {
3633 if (tos & IP_TOS_NOTIMPORTANT)
3635 if (tos & IP_TOS_HIGHRELIABILITY)
3637 if (tos & IP_TOS_HIGHTHROUGHPUT)
3639 if (tos & IP_TOS_LOWDELAY)
3642 if (card->qdio.do_prio_queueing ==
3643 QETH_PRIO_Q_ING_PREC)
3644 return 3 - (tos >> 6);
3645 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3648 return card->qdio.default_out_queue;
3649 case 1: /* fallthrough for single-out-queue 1920-device */
3651 return card->qdio.default_out_queue;
3654 EXPORT_SYMBOL_GPL(qeth_get_priority_queue);
3656 int qeth_get_elements_no(struct qeth_card *card, void *hdr,
3657 struct sk_buff *skb, int elems)
3659 int dlen = skb->len - skb->data_len;
3660 int elements_needed = PFN_UP((unsigned long)skb->data + dlen - 1) -
3661 PFN_DOWN((unsigned long)skb->data);
3663 elements_needed += skb_shinfo(skb)->nr_frags;
3664 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)) {
3665 QETH_DBF_MESSAGE(2, "Invalid size of IP packet "
3666 "(Number=%d / Length=%d). Discarded.\n",
3667 (elements_needed+elems), skb->len);
3670 return elements_needed;
3672 EXPORT_SYMBOL_GPL(qeth_get_elements_no);
3674 int qeth_hdr_chk_and_bounce(struct sk_buff *skb, int len)
3676 int hroom, inpage, rest;
3678 if (((unsigned long)skb->data & PAGE_MASK) !=
3679 (((unsigned long)skb->data + len - 1) & PAGE_MASK)) {
3680 hroom = skb_headroom(skb);
3681 inpage = PAGE_SIZE - ((unsigned long) skb->data % PAGE_SIZE);
3682 rest = len - inpage;
3685 memmove(skb->data - rest, skb->data, skb->len - skb->data_len);
3687 QETH_DBF_MESSAGE(2, "skb bounce len: %d rest: %d\n", len, rest);
3691 EXPORT_SYMBOL_GPL(qeth_hdr_chk_and_bounce);
3693 static inline void __qeth_fill_buffer(struct sk_buff *skb,
3694 struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill,
3697 int length = skb->len - skb->data_len;
3702 struct skb_frag_struct *frag;
3704 element = *next_element_to_fill;
3706 first_lap = (is_tso == 0 ? 1 : 0);
3709 data = skb->data + offset;
3714 while (length > 0) {
3715 /* length_here is the remaining amount of data in this page */
3716 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
3717 if (length < length_here)
3718 length_here = length;
3720 buffer->element[element].addr = data;
3721 buffer->element[element].length = length_here;
3722 length -= length_here;
3725 if (skb_shinfo(skb)->nr_frags)
3726 buffer->element[element].eflags =
3727 SBAL_EFLAGS_FIRST_FRAG;
3729 buffer->element[element].eflags = 0;
3731 buffer->element[element].eflags =
3732 SBAL_EFLAGS_MIDDLE_FRAG;
3735 buffer->element[element].eflags =
3736 SBAL_EFLAGS_FIRST_FRAG;
3738 buffer->element[element].eflags =
3739 SBAL_EFLAGS_MIDDLE_FRAG;
3741 data += length_here;
3746 for (cnt = 0; cnt < skb_shinfo(skb)->nr_frags; cnt++) {
3747 frag = &skb_shinfo(skb)->frags[cnt];
3748 buffer->element[element].addr = (char *)
3749 page_to_phys(skb_frag_page(frag))
3750 + frag->page_offset;
3751 buffer->element[element].length = frag->size;
3752 buffer->element[element].eflags = SBAL_EFLAGS_MIDDLE_FRAG;
3756 if (buffer->element[element - 1].eflags)
3757 buffer->element[element - 1].eflags = SBAL_EFLAGS_LAST_FRAG;
3758 *next_element_to_fill = element;
3761 static inline int qeth_fill_buffer(struct qeth_qdio_out_q *queue,
3762 struct qeth_qdio_out_buffer *buf, struct sk_buff *skb,
3763 struct qeth_hdr *hdr, int offset, int hd_len)
3765 struct qdio_buffer *buffer;
3766 int flush_cnt = 0, hdr_len, large_send = 0;
3768 buffer = buf->buffer;
3769 atomic_inc(&skb->users);
3770 skb_queue_tail(&buf->skb_list, skb);
3772 /*check first on TSO ....*/
3773 if (hdr->hdr.l3.id == QETH_HEADER_TYPE_TSO) {
3774 int element = buf->next_element_to_fill;
3776 hdr_len = sizeof(struct qeth_hdr_tso) +
3777 ((struct qeth_hdr_tso *)hdr)->ext.dg_hdr_len;
3778 /*fill first buffer entry only with header information */
3779 buffer->element[element].addr = skb->data;
3780 buffer->element[element].length = hdr_len;
3781 buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
3782 buf->next_element_to_fill++;
3783 skb->data += hdr_len;
3784 skb->len -= hdr_len;
3789 int element = buf->next_element_to_fill;
3790 buffer->element[element].addr = hdr;
3791 buffer->element[element].length = sizeof(struct qeth_hdr) +
3793 buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
3794 buf->is_header[element] = 1;
3795 buf->next_element_to_fill++;
3798 __qeth_fill_buffer(skb, buffer, large_send,
3799 (int *)&buf->next_element_to_fill, offset);
3801 if (!queue->do_pack) {
3802 QETH_CARD_TEXT(queue->card, 6, "fillbfnp");
3803 /* set state to PRIMED -> will be flushed */
3804 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3807 QETH_CARD_TEXT(queue->card, 6, "fillbfpa");
3808 if (queue->card->options.performance_stats)
3809 queue->card->perf_stats.skbs_sent_pack++;
3810 if (buf->next_element_to_fill >=
3811 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
3813 * packed buffer if full -> set state PRIMED
3814 * -> will be flushed
3816 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3823 int qeth_do_send_packet_fast(struct qeth_card *card,
3824 struct qeth_qdio_out_q *queue, struct sk_buff *skb,
3825 struct qeth_hdr *hdr, int elements_needed,
3826 int offset, int hd_len)
3828 struct qeth_qdio_out_buffer *buffer;
3831 /* spin until we get the queue ... */
3832 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
3833 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
3834 /* ... now we've got the queue */
3835 index = queue->next_buf_to_fill;
3836 buffer = queue->bufs[queue->next_buf_to_fill];
3838 * check if buffer is empty to make sure that we do not 'overtake'
3839 * ourselves and try to fill a buffer that is already primed
3841 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
3843 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
3844 QDIO_MAX_BUFFERS_PER_Q;
3845 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3846 qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len);
3847 qeth_flush_buffers(queue, index, 1);
3850 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3853 EXPORT_SYMBOL_GPL(qeth_do_send_packet_fast);
3855 int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
3856 struct sk_buff *skb, struct qeth_hdr *hdr,
3857 int elements_needed)
3859 struct qeth_qdio_out_buffer *buffer;
3861 int flush_count = 0;
3866 /* spin until we get the queue ... */
3867 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
3868 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
3869 start_index = queue->next_buf_to_fill;
3870 buffer = queue->bufs[queue->next_buf_to_fill];
3872 * check if buffer is empty to make sure that we do not 'overtake'
3873 * ourselves and try to fill a buffer that is already primed
3875 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
3876 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3879 /* check if we need to switch packing state of this queue */
3880 qeth_switch_to_packing_if_needed(queue);
3881 if (queue->do_pack) {
3883 /* does packet fit in current buffer? */
3884 if ((QETH_MAX_BUFFER_ELEMENTS(card) -
3885 buffer->next_element_to_fill) < elements_needed) {
3886 /* ... no -> set state PRIMED */
3887 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3889 queue->next_buf_to_fill =
3890 (queue->next_buf_to_fill + 1) %
3891 QDIO_MAX_BUFFERS_PER_Q;
3892 buffer = queue->bufs[queue->next_buf_to_fill];
3893 /* we did a step forward, so check buffer state
3895 if (atomic_read(&buffer->state) !=
3896 QETH_QDIO_BUF_EMPTY) {
3897 qeth_flush_buffers(queue, start_index,
3899 atomic_set(&queue->state,
3900 QETH_OUT_Q_UNLOCKED);
3905 tmp = qeth_fill_buffer(queue, buffer, skb, hdr, -1, 0);
3906 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
3907 QDIO_MAX_BUFFERS_PER_Q;
3910 qeth_flush_buffers(queue, start_index, flush_count);
3911 else if (!atomic_read(&queue->set_pci_flags_count))
3912 atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
3914 * queue->state will go from LOCKED -> UNLOCKED or from
3915 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
3916 * (switch packing state or flush buffer to get another pci flag out).
3917 * In that case we will enter this loop
3919 while (atomic_dec_return(&queue->state)) {
3921 start_index = queue->next_buf_to_fill;
3922 /* check if we can go back to non-packing state */
3923 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
3925 * check if we need to flush a packing buffer to get a pci
3926 * flag out on the queue
3928 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
3929 flush_count += qeth_flush_buffers_on_no_pci(queue);
3931 qeth_flush_buffers(queue, start_index, flush_count);
3933 /* at this point the queue is UNLOCKED again */
3934 if (queue->card->options.performance_stats && do_pack)
3935 queue->card->perf_stats.bufs_sent_pack += flush_count;
3939 EXPORT_SYMBOL_GPL(qeth_do_send_packet);
3941 static int qeth_setadp_promisc_mode_cb(struct qeth_card *card,
3942 struct qeth_reply *reply, unsigned long data)
3944 struct qeth_ipa_cmd *cmd;
3945 struct qeth_ipacmd_setadpparms *setparms;
3947 QETH_CARD_TEXT(card, 4, "prmadpcb");
3949 cmd = (struct qeth_ipa_cmd *) data;
3950 setparms = &(cmd->data.setadapterparms);
3952 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
3953 if (cmd->hdr.return_code) {
3954 QETH_CARD_TEXT_(card, 4, "prmrc%2.2x", cmd->hdr.return_code);
3955 setparms->data.mode = SET_PROMISC_MODE_OFF;
3957 card->info.promisc_mode = setparms->data.mode;
3961 void qeth_setadp_promisc_mode(struct qeth_card *card)
3963 enum qeth_ipa_promisc_modes mode;
3964 struct net_device *dev = card->dev;
3965 struct qeth_cmd_buffer *iob;
3966 struct qeth_ipa_cmd *cmd;
3968 QETH_CARD_TEXT(card, 4, "setprom");
3970 if (((dev->flags & IFF_PROMISC) &&
3971 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
3972 (!(dev->flags & IFF_PROMISC) &&
3973 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
3975 mode = SET_PROMISC_MODE_OFF;
3976 if (dev->flags & IFF_PROMISC)
3977 mode = SET_PROMISC_MODE_ON;
3978 QETH_CARD_TEXT_(card, 4, "mode:%x", mode);
3980 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
3981 sizeof(struct qeth_ipacmd_setadpparms));
3982 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
3983 cmd->data.setadapterparms.data.mode = mode;
3984 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
3986 EXPORT_SYMBOL_GPL(qeth_setadp_promisc_mode);
3988 int qeth_change_mtu(struct net_device *dev, int new_mtu)
3990 struct qeth_card *card;
3993 card = dev->ml_priv;
3995 QETH_CARD_TEXT(card, 4, "chgmtu");
3996 sprintf(dbf_text, "%8x", new_mtu);
3997 QETH_CARD_TEXT(card, 4, dbf_text);
4001 if (new_mtu > 65535)
4003 if ((!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) &&
4004 (!qeth_mtu_is_valid(card, new_mtu)))
4009 EXPORT_SYMBOL_GPL(qeth_change_mtu);
4011 struct net_device_stats *qeth_get_stats(struct net_device *dev)
4013 struct qeth_card *card;
4015 card = dev->ml_priv;
4017 QETH_CARD_TEXT(card, 5, "getstat");
4019 return &card->stats;
4021 EXPORT_SYMBOL_GPL(qeth_get_stats);
4023 static int qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
4024 struct qeth_reply *reply, unsigned long data)
4026 struct qeth_ipa_cmd *cmd;
4028 QETH_CARD_TEXT(card, 4, "chgmaccb");
4030 cmd = (struct qeth_ipa_cmd *) data;
4031 if (!card->options.layer2 ||
4032 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
4033 memcpy(card->dev->dev_addr,
4034 &cmd->data.setadapterparms.data.change_addr.addr,
4036 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
4038 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
4042 int qeth_setadpparms_change_macaddr(struct qeth_card *card)
4045 struct qeth_cmd_buffer *iob;
4046 struct qeth_ipa_cmd *cmd;
4048 QETH_CARD_TEXT(card, 4, "chgmac");
4050 iob = qeth_get_adapter_cmd(card, IPA_SETADP_ALTER_MAC_ADDRESS,
4051 sizeof(struct qeth_ipacmd_setadpparms));
4052 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4053 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
4054 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
4055 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
4056 card->dev->dev_addr, OSA_ADDR_LEN);
4057 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
4061 EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr);
4063 static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card,
4064 struct qeth_reply *reply, unsigned long data)
4066 struct qeth_ipa_cmd *cmd;
4067 struct qeth_set_access_ctrl *access_ctrl_req;
4069 QETH_CARD_TEXT(card, 4, "setaccb");
4071 cmd = (struct qeth_ipa_cmd *) data;
4072 access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl;
4073 QETH_DBF_TEXT_(SETUP, 2, "setaccb");
4074 QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
4075 QETH_DBF_TEXT_(SETUP, 2, "rc=%d",
4076 cmd->data.setadapterparms.hdr.return_code);
4077 switch (cmd->data.setadapterparms.hdr.return_code) {
4078 case SET_ACCESS_CTRL_RC_SUCCESS:
4079 case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED:
4080 case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED:
4082 card->options.isolation = access_ctrl_req->subcmd_code;
4083 if (card->options.isolation == ISOLATION_MODE_NONE) {
4084 dev_info(&card->gdev->dev,
4085 "QDIO data connection isolation is deactivated\n");
4087 dev_info(&card->gdev->dev,
4088 "QDIO data connection isolation is activated\n");
4090 QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n",
4091 card->gdev->dev.kobj.name,
4092 access_ctrl_req->subcmd_code,
4093 cmd->data.setadapterparms.hdr.return_code);
4096 case SET_ACCESS_CTRL_RC_NOT_SUPPORTED:
4098 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
4099 card->gdev->dev.kobj.name,
4100 access_ctrl_req->subcmd_code,
4101 cmd->data.setadapterparms.hdr.return_code);
4102 dev_err(&card->gdev->dev, "Adapter does not "
4103 "support QDIO data connection isolation\n");
4105 /* ensure isolation mode is "none" */
4106 card->options.isolation = ISOLATION_MODE_NONE;
4109 case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER:
4111 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
4112 card->gdev->dev.kobj.name,
4113 access_ctrl_req->subcmd_code,
4114 cmd->data.setadapterparms.hdr.return_code);
4115 dev_err(&card->gdev->dev,
4116 "Adapter is dedicated. "
4117 "QDIO data connection isolation not supported\n");
4119 /* ensure isolation mode is "none" */
4120 card->options.isolation = ISOLATION_MODE_NONE;
4123 case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF:
4125 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
4126 card->gdev->dev.kobj.name,
4127 access_ctrl_req->subcmd_code,
4128 cmd->data.setadapterparms.hdr.return_code);
4129 dev_err(&card->gdev->dev,
4130 "TSO does not permit QDIO data connection isolation\n");
4132 /* ensure isolation mode is "none" */
4133 card->options.isolation = ISOLATION_MODE_NONE;
4138 /* this should never happen */
4139 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d"
4141 card->gdev->dev.kobj.name,
4142 access_ctrl_req->subcmd_code,
4143 cmd->data.setadapterparms.hdr.return_code);
4145 /* ensure isolation mode is "none" */
4146 card->options.isolation = ISOLATION_MODE_NONE;
4150 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
4154 static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
4155 enum qeth_ipa_isolation_modes isolation)
4158 struct qeth_cmd_buffer *iob;
4159 struct qeth_ipa_cmd *cmd;
4160 struct qeth_set_access_ctrl *access_ctrl_req;
4162 QETH_CARD_TEXT(card, 4, "setacctl");
4164 QETH_DBF_TEXT_(SETUP, 2, "setacctl");
4165 QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
4167 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_ACCESS_CONTROL,
4168 sizeof(struct qeth_ipacmd_setadpparms_hdr) +
4169 sizeof(struct qeth_set_access_ctrl));
4170 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4171 access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl;
4172 access_ctrl_req->subcmd_code = isolation;
4174 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb,
4176 QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc);
4180 int qeth_set_access_ctrl_online(struct qeth_card *card)
4184 QETH_CARD_TEXT(card, 4, "setactlo");
4186 if ((card->info.type == QETH_CARD_TYPE_OSD ||
4187 card->info.type == QETH_CARD_TYPE_OSX) &&
4188 qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) {
4189 rc = qeth_setadpparms_set_access_ctrl(card,
4190 card->options.isolation);
4193 "IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n",
4194 card->gdev->dev.kobj.name,
4197 } else if (card->options.isolation != ISOLATION_MODE_NONE) {
4198 card->options.isolation = ISOLATION_MODE_NONE;
4200 dev_err(&card->gdev->dev, "Adapter does not "
4201 "support QDIO data connection isolation\n");
4206 EXPORT_SYMBOL_GPL(qeth_set_access_ctrl_online);
4208 void qeth_tx_timeout(struct net_device *dev)
4210 struct qeth_card *card;
4212 card = dev->ml_priv;
4213 QETH_CARD_TEXT(card, 4, "txtimeo");
4214 card->stats.tx_errors++;
4215 qeth_schedule_recovery(card);
4217 EXPORT_SYMBOL_GPL(qeth_tx_timeout);
4219 int qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4221 struct qeth_card *card = dev->ml_priv;
4225 case MII_BMCR: /* Basic mode control register */
4227 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH) &&
4228 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4229 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4230 rc |= BMCR_SPEED100;
4232 case MII_BMSR: /* Basic mode status register */
4233 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4234 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4237 case MII_PHYSID1: /* PHYS ID 1 */
4238 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4240 rc = (rc >> 5) & 0xFFFF;
4242 case MII_PHYSID2: /* PHYS ID 2 */
4243 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4245 case MII_ADVERTISE: /* Advertisement control reg */
4248 case MII_LPA: /* Link partner ability reg */
4249 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4250 LPA_100BASE4 | LPA_LPACK;
4252 case MII_EXPANSION: /* Expansion register */
4254 case MII_DCOUNTER: /* disconnect counter */
4256 case MII_FCSCOUNTER: /* false carrier counter */
4258 case MII_NWAYTEST: /* N-way auto-neg test register */
4260 case MII_RERRCOUNTER: /* rx error counter */
4261 rc = card->stats.rx_errors;
4263 case MII_SREVISION: /* silicon revision */
4265 case MII_RESV1: /* reserved 1 */
4267 case MII_LBRERROR: /* loopback, rx, bypass error */
4269 case MII_PHYADDR: /* physical address */
4271 case MII_RESV2: /* reserved 2 */
4273 case MII_TPISTATUS: /* TPI status for 10mbps */
4275 case MII_NCONFIG: /* network interface config */
4282 EXPORT_SYMBOL_GPL(qeth_mdio_read);
4284 static int qeth_send_ipa_snmp_cmd(struct qeth_card *card,
4285 struct qeth_cmd_buffer *iob, int len,
4286 int (*reply_cb)(struct qeth_card *, struct qeth_reply *,
4292 QETH_CARD_TEXT(card, 4, "sendsnmp");
4294 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4295 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4296 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4297 /* adjust PDU length fields in IPA_PDU_HEADER */
4298 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4300 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4301 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4302 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4303 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4304 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4305 reply_cb, reply_param);
4308 static int qeth_snmp_command_cb(struct qeth_card *card,
4309 struct qeth_reply *reply, unsigned long sdata)
4311 struct qeth_ipa_cmd *cmd;
4312 struct qeth_arp_query_info *qinfo;
4313 struct qeth_snmp_cmd *snmp;
4314 unsigned char *data;
4317 QETH_CARD_TEXT(card, 3, "snpcmdcb");
4319 cmd = (struct qeth_ipa_cmd *) sdata;
4320 data = (unsigned char *)((char *)cmd - reply->offset);
4321 qinfo = (struct qeth_arp_query_info *) reply->param;
4322 snmp = &cmd->data.setadapterparms.data.snmp;
4324 if (cmd->hdr.return_code) {
4325 QETH_CARD_TEXT_(card, 4, "scer1%i", cmd->hdr.return_code);
4328 if (cmd->data.setadapterparms.hdr.return_code) {
4329 cmd->hdr.return_code =
4330 cmd->data.setadapterparms.hdr.return_code;
4331 QETH_CARD_TEXT_(card, 4, "scer2%i", cmd->hdr.return_code);
4334 data_len = *((__u16 *)QETH_IPA_PDU_LEN_PDU1(data));
4335 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4336 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4338 data_len -= (__u16)((char *)&snmp->request - (char *)cmd);
4340 /* check if there is enough room in userspace */
4341 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4342 QETH_CARD_TEXT_(card, 4, "scer3%i", -ENOMEM);
4343 cmd->hdr.return_code = IPA_RC_ENOMEM;
4346 QETH_CARD_TEXT_(card, 4, "snore%i",
4347 cmd->data.setadapterparms.hdr.used_total);
4348 QETH_CARD_TEXT_(card, 4, "sseqn%i",
4349 cmd->data.setadapterparms.hdr.seq_no);
4350 /*copy entries to user buffer*/
4351 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4352 memcpy(qinfo->udata + qinfo->udata_offset,
4354 data_len + offsetof(struct qeth_snmp_cmd, data));
4355 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4357 memcpy(qinfo->udata + qinfo->udata_offset,
4358 (char *)&snmp->request, data_len);
4360 qinfo->udata_offset += data_len;
4361 /* check if all replies received ... */
4362 QETH_CARD_TEXT_(card, 4, "srtot%i",
4363 cmd->data.setadapterparms.hdr.used_total);
4364 QETH_CARD_TEXT_(card, 4, "srseq%i",
4365 cmd->data.setadapterparms.hdr.seq_no);
4366 if (cmd->data.setadapterparms.hdr.seq_no <
4367 cmd->data.setadapterparms.hdr.used_total)
4372 int qeth_snmp_command(struct qeth_card *card, char __user *udata)
4374 struct qeth_cmd_buffer *iob;
4375 struct qeth_ipa_cmd *cmd;
4376 struct qeth_snmp_ureq *ureq;
4378 struct qeth_arp_query_info qinfo = {0, };
4381 QETH_CARD_TEXT(card, 3, "snmpcmd");
4383 if (card->info.guestlan)
4386 if ((!qeth_adp_supported(card, IPA_SETADP_SET_SNMP_CONTROL)) &&
4387 (!card->options.layer2)) {
4390 /* skip 4 bytes (data_len struct member) to get req_len */
4391 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4393 ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
4395 QETH_CARD_TEXT(card, 2, "snmpnome");
4396 return PTR_ERR(ureq);
4398 qinfo.udata_len = ureq->hdr.data_len;
4399 qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL);
4404 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4406 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4407 QETH_SNMP_SETADP_CMDLENGTH + req_len);
4408 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4409 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4410 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4411 qeth_snmp_command_cb, (void *)&qinfo);
4413 QETH_DBF_MESSAGE(2, "SNMP command failed on %s: (0x%x)\n",
4414 QETH_CARD_IFNAME(card), rc);
4416 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
4424 EXPORT_SYMBOL_GPL(qeth_snmp_command);
4426 static int qeth_setadpparms_query_oat_cb(struct qeth_card *card,
4427 struct qeth_reply *reply, unsigned long data)
4429 struct qeth_ipa_cmd *cmd;
4430 struct qeth_qoat_priv *priv;
4434 QETH_CARD_TEXT(card, 3, "qoatcb");
4436 cmd = (struct qeth_ipa_cmd *)data;
4437 priv = (struct qeth_qoat_priv *)reply->param;
4438 resdatalen = cmd->data.setadapterparms.hdr.cmdlength;
4439 resdata = (char *)data + 28;
4441 if (resdatalen > (priv->buffer_len - priv->response_len)) {
4442 cmd->hdr.return_code = IPA_RC_FFFF;
4446 memcpy((priv->buffer + priv->response_len), resdata,
4448 priv->response_len += resdatalen;
4450 if (cmd->data.setadapterparms.hdr.seq_no <
4451 cmd->data.setadapterparms.hdr.used_total)
4456 int qeth_query_oat_command(struct qeth_card *card, char __user *udata)
4459 struct qeth_cmd_buffer *iob;
4460 struct qeth_ipa_cmd *cmd;
4461 struct qeth_query_oat *oat_req;
4462 struct qeth_query_oat_data oat_data;
4463 struct qeth_qoat_priv priv;
4466 QETH_CARD_TEXT(card, 3, "qoatcmd");
4468 if (!qeth_adp_supported(card, IPA_SETADP_QUERY_OAT)) {
4473 if (copy_from_user(&oat_data, udata,
4474 sizeof(struct qeth_query_oat_data))) {
4479 priv.buffer_len = oat_data.buffer_len;
4480 priv.response_len = 0;
4481 priv.buffer = kzalloc(oat_data.buffer_len, GFP_KERNEL);
4487 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_OAT,
4488 sizeof(struct qeth_ipacmd_setadpparms_hdr) +
4489 sizeof(struct qeth_query_oat));
4490 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4491 oat_req = &cmd->data.setadapterparms.data.query_oat;
4492 oat_req->subcmd_code = oat_data.command;
4494 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_query_oat_cb,
4497 if (is_compat_task())
4498 tmp = compat_ptr(oat_data.ptr);
4500 tmp = (void __user *)(unsigned long)oat_data.ptr;
4502 if (copy_to_user(tmp, priv.buffer,
4503 priv.response_len)) {
4508 oat_data.response_len = priv.response_len;
4510 if (copy_to_user(udata, &oat_data,
4511 sizeof(struct qeth_query_oat_data)))
4514 if (rc == IPA_RC_FFFF)
4522 EXPORT_SYMBOL_GPL(qeth_query_oat_command);
4524 static inline int qeth_get_qdio_q_format(struct qeth_card *card)
4526 switch (card->info.type) {
4527 case QETH_CARD_TYPE_IQD:
4534 static void qeth_determine_capabilities(struct qeth_card *card)
4539 struct ccw_device *ddev;
4540 int ddev_offline = 0;
4542 QETH_DBF_TEXT(SETUP, 2, "detcapab");
4543 ddev = CARD_DDEV(card);
4544 if (!ddev->online) {
4546 rc = ccw_device_set_online(ddev);
4548 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
4553 rc = qeth_read_conf_data(card, (void **) &prcd, &length);
4555 QETH_DBF_MESSAGE(2, "%s qeth_read_conf_data returned %i\n",
4556 dev_name(&card->gdev->dev), rc);
4557 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
4560 qeth_configure_unitaddr(card, prcd);
4562 qeth_configure_blkt_default(card, prcd);
4565 rc = qdio_get_ssqd_desc(ddev, &card->ssqd);
4567 QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
4569 QETH_DBF_TEXT_(SETUP, 2, "qfmt%d", card->ssqd.qfmt);
4570 QETH_DBF_TEXT_(SETUP, 2, "%d", card->ssqd.qdioac1);
4571 QETH_DBF_TEXT_(SETUP, 2, "%d", card->ssqd.qdioac3);
4572 QETH_DBF_TEXT_(SETUP, 2, "icnt%d", card->ssqd.icnt);
4573 if (!((card->ssqd.qfmt != QDIO_IQDIO_QFMT) ||
4574 ((card->ssqd.qdioac1 & CHSC_AC1_INITIATE_INPUTQ) == 0) ||
4575 ((card->ssqd.qdioac3 & CHSC_AC3_FORMAT2_CQ_AVAILABLE) == 0))) {
4576 dev_info(&card->gdev->dev,
4577 "Completion Queueing supported\n");
4579 card->options.cq = QETH_CQ_NOTAVAILABLE;
4584 if (ddev_offline == 1)
4585 ccw_device_set_offline(ddev);
4590 static inline void qeth_qdio_establish_cq(struct qeth_card *card,
4591 struct qdio_buffer **in_sbal_ptrs,
4592 void (**queue_start_poll) (struct ccw_device *, int, unsigned long)) {
4595 if (card->options.cq == QETH_CQ_ENABLED) {
4596 int offset = QDIO_MAX_BUFFERS_PER_Q *
4597 (card->qdio.no_in_queues - 1);
4598 i = QDIO_MAX_BUFFERS_PER_Q * (card->qdio.no_in_queues - 1);
4599 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
4600 in_sbal_ptrs[offset + i] = (struct qdio_buffer *)
4601 virt_to_phys(card->qdio.c_q->bufs[i].buffer);
4604 queue_start_poll[card->qdio.no_in_queues - 1] = NULL;
4608 static int qeth_qdio_establish(struct qeth_card *card)
4610 struct qdio_initialize init_data;
4611 char *qib_param_field;
4612 struct qdio_buffer **in_sbal_ptrs;
4613 void (**queue_start_poll) (struct ccw_device *, int, unsigned long);
4614 struct qdio_buffer **out_sbal_ptrs;
4618 QETH_DBF_TEXT(SETUP, 2, "qdioest");
4620 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
4622 if (!qib_param_field) {
4624 goto out_free_nothing;
4627 qeth_create_qib_param_field(card, qib_param_field);
4628 qeth_create_qib_param_field_blkt(card, qib_param_field);
4630 in_sbal_ptrs = kzalloc(card->qdio.no_in_queues *
4631 QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
4633 if (!in_sbal_ptrs) {
4635 goto out_free_qib_param;
4637 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
4638 in_sbal_ptrs[i] = (struct qdio_buffer *)
4639 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
4642 queue_start_poll = kzalloc(sizeof(void *) * card->qdio.no_in_queues,
4644 if (!queue_start_poll) {
4646 goto out_free_in_sbals;
4648 for (i = 0; i < card->qdio.no_in_queues; ++i)
4649 queue_start_poll[i] = card->discipline->start_poll;
4651 qeth_qdio_establish_cq(card, in_sbal_ptrs, queue_start_poll);
4654 kzalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
4655 sizeof(void *), GFP_KERNEL);
4656 if (!out_sbal_ptrs) {
4658 goto out_free_queue_start_poll;
4660 for (i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
4661 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k) {
4662 out_sbal_ptrs[k] = (struct qdio_buffer *)virt_to_phys(
4663 card->qdio.out_qs[i]->bufs[j]->buffer);
4666 memset(&init_data, 0, sizeof(struct qdio_initialize));
4667 init_data.cdev = CARD_DDEV(card);
4668 init_data.q_format = qeth_get_qdio_q_format(card);
4669 init_data.qib_param_field_format = 0;
4670 init_data.qib_param_field = qib_param_field;
4671 init_data.no_input_qs = card->qdio.no_in_queues;
4672 init_data.no_output_qs = card->qdio.no_out_queues;
4673 init_data.input_handler = card->discipline->input_handler;
4674 init_data.output_handler = card->discipline->output_handler;
4675 init_data.queue_start_poll_array = queue_start_poll;
4676 init_data.int_parm = (unsigned long) card;
4677 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
4678 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
4679 init_data.output_sbal_state_array = card->qdio.out_bufstates;
4680 init_data.scan_threshold =
4681 (card->info.type == QETH_CARD_TYPE_IQD) ? 8 : 32;
4683 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
4684 QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) {
4685 rc = qdio_allocate(&init_data);
4687 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
4690 rc = qdio_establish(&init_data);
4692 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
4693 qdio_free(CARD_DDEV(card));
4697 switch (card->options.cq) {
4698 case QETH_CQ_ENABLED:
4699 dev_info(&card->gdev->dev, "Completion Queue support enabled");
4701 case QETH_CQ_DISABLED:
4702 dev_info(&card->gdev->dev, "Completion Queue support disabled");
4708 kfree(out_sbal_ptrs);
4709 out_free_queue_start_poll:
4710 kfree(queue_start_poll);
4712 kfree(in_sbal_ptrs);
4714 kfree(qib_param_field);
4719 static void qeth_core_free_card(struct qeth_card *card)
4722 QETH_DBF_TEXT(SETUP, 2, "freecrd");
4723 QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
4724 qeth_clean_channel(&card->read);
4725 qeth_clean_channel(&card->write);
4727 free_netdev(card->dev);
4728 kfree(card->ip_tbd_list);
4729 qeth_free_qdio_buffers(card);
4730 unregister_service_level(&card->qeth_service_level);
4734 static struct ccw_device_id qeth_ids[] = {
4735 {CCW_DEVICE_DEVTYPE(0x1731, 0x01, 0x1732, 0x01),
4736 .driver_info = QETH_CARD_TYPE_OSD},
4737 {CCW_DEVICE_DEVTYPE(0x1731, 0x05, 0x1732, 0x05),
4738 .driver_info = QETH_CARD_TYPE_IQD},
4739 {CCW_DEVICE_DEVTYPE(0x1731, 0x06, 0x1732, 0x06),
4740 .driver_info = QETH_CARD_TYPE_OSN},
4741 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x03),
4742 .driver_info = QETH_CARD_TYPE_OSM},
4743 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x02),
4744 .driver_info = QETH_CARD_TYPE_OSX},
4747 MODULE_DEVICE_TABLE(ccw, qeth_ids);
4749 static struct ccw_driver qeth_ccw_driver = {
4751 .owner = THIS_MODULE,
4755 .probe = ccwgroup_probe_ccwdev,
4756 .remove = ccwgroup_remove_ccwdev,
4759 int qeth_core_hardsetup_card(struct qeth_card *card)
4764 QETH_DBF_TEXT(SETUP, 2, "hrdsetup");
4765 atomic_set(&card->force_alloc_skb, 0);
4766 qeth_update_from_chp_desc(card);
4769 QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
4770 dev_name(&card->gdev->dev));
4771 ccw_device_set_offline(CARD_DDEV(card));
4772 ccw_device_set_offline(CARD_WDEV(card));
4773 ccw_device_set_offline(CARD_RDEV(card));
4774 rc = ccw_device_set_online(CARD_RDEV(card));
4777 rc = ccw_device_set_online(CARD_WDEV(card));
4780 rc = ccw_device_set_online(CARD_DDEV(card));
4783 rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
4785 if (rc == -ERESTARTSYS) {
4786 QETH_DBF_TEXT(SETUP, 2, "break1");
4789 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
4795 qeth_determine_capabilities(card);
4796 qeth_init_tokens(card);
4797 qeth_init_func_level(card);
4798 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
4799 if (rc == -ERESTARTSYS) {
4800 QETH_DBF_TEXT(SETUP, 2, "break2");
4803 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
4809 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
4810 if (rc == -ERESTARTSYS) {
4811 QETH_DBF_TEXT(SETUP, 2, "break3");
4814 QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
4820 card->read_or_write_problem = 0;
4821 rc = qeth_mpc_initialize(card);
4823 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
4827 card->options.ipa4.supported_funcs = 0;
4828 card->options.adp.supported_funcs = 0;
4829 card->info.diagass_support = 0;
4830 qeth_query_ipassists(card, QETH_PROT_IPV4);
4831 if (qeth_is_supported(card, IPA_SETADAPTERPARMS))
4832 qeth_query_setadapterparms(card);
4833 if (qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST))
4834 qeth_query_setdiagass(card);
4837 dev_warn(&card->gdev->dev, "The qeth device driver failed to recover "
4838 "an error on the device\n");
4839 QETH_DBF_MESSAGE(2, "%s Initialization in hardsetup failed! rc=%d\n",
4840 dev_name(&card->gdev->dev), rc);
4843 EXPORT_SYMBOL_GPL(qeth_core_hardsetup_card);
4845 static inline int qeth_create_skb_frag(struct qeth_qdio_buffer *qethbuffer,
4846 struct qdio_buffer_element *element,
4847 struct sk_buff **pskb, int offset, int *pfrag, int data_len)
4849 struct page *page = virt_to_page(element->addr);
4850 if (*pskb == NULL) {
4851 if (qethbuffer->rx_skb) {
4852 /* only if qeth_card.options.cq == QETH_CQ_ENABLED */
4853 *pskb = qethbuffer->rx_skb;
4854 qethbuffer->rx_skb = NULL;
4856 *pskb = dev_alloc_skb(QETH_RX_PULL_LEN + ETH_HLEN);
4861 skb_reserve(*pskb, ETH_HLEN);
4862 if (data_len <= QETH_RX_PULL_LEN) {
4863 memcpy(skb_put(*pskb, data_len), element->addr + offset,
4867 memcpy(skb_put(*pskb, QETH_RX_PULL_LEN),
4868 element->addr + offset, QETH_RX_PULL_LEN);
4869 skb_fill_page_desc(*pskb, *pfrag, page,
4870 offset + QETH_RX_PULL_LEN,
4871 data_len - QETH_RX_PULL_LEN);
4872 (*pskb)->data_len += data_len - QETH_RX_PULL_LEN;
4873 (*pskb)->len += data_len - QETH_RX_PULL_LEN;
4874 (*pskb)->truesize += data_len - QETH_RX_PULL_LEN;
4879 skb_fill_page_desc(*pskb, *pfrag, page, offset, data_len);
4880 (*pskb)->data_len += data_len;
4881 (*pskb)->len += data_len;
4882 (*pskb)->truesize += data_len;
4890 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card,
4891 struct qeth_qdio_buffer *qethbuffer,
4892 struct qdio_buffer_element **__element, int *__offset,
4893 struct qeth_hdr **hdr)
4895 struct qdio_buffer_element *element = *__element;
4896 struct qdio_buffer *buffer = qethbuffer->buffer;
4897 int offset = *__offset;
4898 struct sk_buff *skb = NULL;
4906 /* qeth_hdr must not cross element boundaries */
4907 if (element->length < offset + sizeof(struct qeth_hdr)) {
4908 if (qeth_is_last_sbale(element))
4912 if (element->length < sizeof(struct qeth_hdr))
4915 *hdr = element->addr + offset;
4917 offset += sizeof(struct qeth_hdr);
4918 switch ((*hdr)->hdr.l2.id) {
4919 case QETH_HEADER_TYPE_LAYER2:
4920 skb_len = (*hdr)->hdr.l2.pkt_length;
4922 case QETH_HEADER_TYPE_LAYER3:
4923 skb_len = (*hdr)->hdr.l3.length;
4924 headroom = ETH_HLEN;
4926 case QETH_HEADER_TYPE_OSN:
4927 skb_len = (*hdr)->hdr.osn.pdu_length;
4928 headroom = sizeof(struct qeth_hdr);
4937 if (((skb_len >= card->options.rx_sg_cb) &&
4938 (!(card->info.type == QETH_CARD_TYPE_OSN)) &&
4939 (!atomic_read(&card->force_alloc_skb))) ||
4940 (card->options.cq == QETH_CQ_ENABLED)) {
4943 skb = dev_alloc_skb(skb_len + headroom);
4947 skb_reserve(skb, headroom);
4950 data_ptr = element->addr + offset;
4952 data_len = min(skb_len, (int)(element->length - offset));
4955 if (qeth_create_skb_frag(qethbuffer, element,
4956 &skb, offset, &frag, data_len))
4959 memcpy(skb_put(skb, data_len), data_ptr,
4963 skb_len -= data_len;
4965 if (qeth_is_last_sbale(element)) {
4966 QETH_CARD_TEXT(card, 4, "unexeob");
4967 QETH_CARD_HEX(card, 2, buffer, sizeof(void *));
4968 dev_kfree_skb_any(skb);
4969 card->stats.rx_errors++;
4974 data_ptr = element->addr;
4979 *__element = element;
4981 if (use_rx_sg && card->options.performance_stats) {
4982 card->perf_stats.sg_skbs_rx++;
4983 card->perf_stats.sg_frags_rx += skb_shinfo(skb)->nr_frags;
4987 if (net_ratelimit()) {
4988 QETH_CARD_TEXT(card, 2, "noskbmem");
4990 card->stats.rx_dropped++;
4993 EXPORT_SYMBOL_GPL(qeth_core_get_next_skb);
4995 static void qeth_unregister_dbf_views(void)
4998 for (x = 0; x < QETH_DBF_INFOS; x++) {
4999 debug_unregister(qeth_dbf[x].id);
5000 qeth_dbf[x].id = NULL;
5004 void qeth_dbf_longtext(debug_info_t *id, int level, char *fmt, ...)
5006 char dbf_txt_buf[32];
5009 if (level > id->level)
5011 va_start(args, fmt);
5012 vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);
5014 debug_text_event(id, level, dbf_txt_buf);
5016 EXPORT_SYMBOL_GPL(qeth_dbf_longtext);
5018 static int qeth_register_dbf_views(void)
5023 for (x = 0; x < QETH_DBF_INFOS; x++) {
5024 /* register the areas */
5025 qeth_dbf[x].id = debug_register(qeth_dbf[x].name,
5029 if (qeth_dbf[x].id == NULL) {
5030 qeth_unregister_dbf_views();
5034 /* register a view */
5035 ret = debug_register_view(qeth_dbf[x].id, qeth_dbf[x].view);
5037 qeth_unregister_dbf_views();
5041 /* set a passing level */
5042 debug_set_level(qeth_dbf[x].id, qeth_dbf[x].level);
5048 int qeth_core_load_discipline(struct qeth_card *card,
5049 enum qeth_discipline_id discipline)
5052 mutex_lock(&qeth_mod_mutex);
5053 switch (discipline) {
5054 case QETH_DISCIPLINE_LAYER3:
5055 card->discipline = try_then_request_module(
5056 symbol_get(qeth_l3_discipline), "qeth_l3");
5058 case QETH_DISCIPLINE_LAYER2:
5059 card->discipline = try_then_request_module(
5060 symbol_get(qeth_l2_discipline), "qeth_l2");
5063 if (!card->discipline) {
5064 dev_err(&card->gdev->dev, "There is no kernel module to "
5065 "support discipline %d\n", discipline);
5068 mutex_unlock(&qeth_mod_mutex);
5072 void qeth_core_free_discipline(struct qeth_card *card)
5074 if (card->options.layer2)
5075 symbol_put(qeth_l2_discipline);
5077 symbol_put(qeth_l3_discipline);
5078 card->discipline = NULL;
5081 static const struct device_type qeth_generic_devtype = {
5082 .name = "qeth_generic",
5083 .groups = qeth_generic_attr_groups,
5085 static const struct device_type qeth_osn_devtype = {
5087 .groups = qeth_osn_attr_groups,
5090 static int qeth_core_probe_device(struct ccwgroup_device *gdev)
5092 struct qeth_card *card;
5095 unsigned long flags;
5098 QETH_DBF_TEXT(SETUP, 2, "probedev");
5101 if (!get_device(dev))
5104 QETH_DBF_TEXT_(SETUP, 2, "%s", dev_name(&gdev->dev));
5106 card = qeth_alloc_card();
5108 QETH_DBF_TEXT_(SETUP, 2, "1err%d", -ENOMEM);
5113 snprintf(dbf_name, sizeof(dbf_name), "qeth_card_%s",
5114 dev_name(&gdev->dev));
5115 card->debug = debug_register(dbf_name, 2, 1, 8);
5117 QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf");
5121 debug_register_view(card->debug, &debug_hex_ascii_view);
5123 card->read.ccwdev = gdev->cdev[0];
5124 card->write.ccwdev = gdev->cdev[1];
5125 card->data.ccwdev = gdev->cdev[2];
5126 dev_set_drvdata(&gdev->dev, card);
5128 gdev->cdev[0]->handler = qeth_irq;
5129 gdev->cdev[1]->handler = qeth_irq;
5130 gdev->cdev[2]->handler = qeth_irq;
5132 rc = qeth_determine_card_type(card);
5134 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
5137 rc = qeth_setup_card(card);
5139 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
5143 if (card->info.type == QETH_CARD_TYPE_OSN)
5144 gdev->dev.type = &qeth_osn_devtype;
5146 gdev->dev.type = &qeth_generic_devtype;
5148 switch (card->info.type) {
5149 case QETH_CARD_TYPE_OSN:
5150 case QETH_CARD_TYPE_OSM:
5151 rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2);
5154 rc = card->discipline->setup(card->gdev);
5157 case QETH_CARD_TYPE_OSD:
5158 case QETH_CARD_TYPE_OSX:
5163 write_lock_irqsave(&qeth_core_card_list.rwlock, flags);
5164 list_add_tail(&card->list, &qeth_core_card_list.list);
5165 write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);
5167 qeth_determine_capabilities(card);
5171 qeth_core_free_discipline(card);
5173 debug_unregister(card->debug);
5175 qeth_core_free_card(card);
5181 static void qeth_core_remove_device(struct ccwgroup_device *gdev)
5183 unsigned long flags;
5184 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5186 QETH_DBF_TEXT(SETUP, 2, "removedv");
5188 if (card->discipline) {
5189 card->discipline->remove(gdev);
5190 qeth_core_free_discipline(card);
5193 debug_unregister(card->debug);
5194 write_lock_irqsave(&qeth_core_card_list.rwlock, flags);
5195 list_del(&card->list);
5196 write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);
5197 qeth_core_free_card(card);
5198 dev_set_drvdata(&gdev->dev, NULL);
5199 put_device(&gdev->dev);
5203 static int qeth_core_set_online(struct ccwgroup_device *gdev)
5205 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5209 if (!card->discipline) {
5210 if (card->info.type == QETH_CARD_TYPE_IQD)
5211 def_discipline = QETH_DISCIPLINE_LAYER3;
5213 def_discipline = QETH_DISCIPLINE_LAYER2;
5214 rc = qeth_core_load_discipline(card, def_discipline);
5217 rc = card->discipline->setup(card->gdev);
5221 rc = card->discipline->set_online(gdev);
5226 static int qeth_core_set_offline(struct ccwgroup_device *gdev)
5228 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5229 return card->discipline->set_offline(gdev);
5232 static void qeth_core_shutdown(struct ccwgroup_device *gdev)
5234 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5235 if (card->discipline && card->discipline->shutdown)
5236 card->discipline->shutdown(gdev);
5239 static int qeth_core_prepare(struct ccwgroup_device *gdev)
5241 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5242 if (card->discipline && card->discipline->prepare)
5243 return card->discipline->prepare(gdev);
5247 static void qeth_core_complete(struct ccwgroup_device *gdev)
5249 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5250 if (card->discipline && card->discipline->complete)
5251 card->discipline->complete(gdev);
5254 static int qeth_core_freeze(struct ccwgroup_device *gdev)
5256 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5257 if (card->discipline && card->discipline->freeze)
5258 return card->discipline->freeze(gdev);
5262 static int qeth_core_thaw(struct ccwgroup_device *gdev)
5264 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5265 if (card->discipline && card->discipline->thaw)
5266 return card->discipline->thaw(gdev);
5270 static int qeth_core_restore(struct ccwgroup_device *gdev)
5272 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5273 if (card->discipline && card->discipline->restore)
5274 return card->discipline->restore(gdev);
5278 static struct ccwgroup_driver qeth_core_ccwgroup_driver = {
5280 .owner = THIS_MODULE,
5283 .setup = qeth_core_probe_device,
5284 .remove = qeth_core_remove_device,
5285 .set_online = qeth_core_set_online,
5286 .set_offline = qeth_core_set_offline,
5287 .shutdown = qeth_core_shutdown,
5288 .prepare = qeth_core_prepare,
5289 .complete = qeth_core_complete,
5290 .freeze = qeth_core_freeze,
5291 .thaw = qeth_core_thaw,
5292 .restore = qeth_core_restore,
5295 static ssize_t qeth_core_driver_group_store(struct device_driver *ddrv,
5296 const char *buf, size_t count)
5300 err = ccwgroup_create_dev(qeth_core_root_dev,
5301 &qeth_core_ccwgroup_driver, 3, buf);
5303 return err ? err : count;
5305 static DRIVER_ATTR(group, 0200, NULL, qeth_core_driver_group_store);
5307 static struct attribute *qeth_drv_attrs[] = {
5308 &driver_attr_group.attr,
5311 static struct attribute_group qeth_drv_attr_group = {
5312 .attrs = qeth_drv_attrs,
5314 static const struct attribute_group *qeth_drv_attr_groups[] = {
5315 &qeth_drv_attr_group,
5320 const char str[ETH_GSTRING_LEN];
5321 } qeth_ethtool_stats_keys[] = {
5326 {"tx skbs no packing"},
5327 {"tx buffers no packing"},
5328 {"tx skbs packing"},
5329 {"tx buffers packing"},
5332 /* 10 */{"rx sg skbs"},
5334 {"rx sg page allocs"},
5335 {"tx large kbytes"},
5337 {"tx pk state ch n->p"},
5338 {"tx pk state ch p->n"},
5339 {"tx pk watermark low"},
5340 {"tx pk watermark high"},
5341 {"queue 0 buffer usage"},
5342 /* 20 */{"queue 1 buffer usage"},
5343 {"queue 2 buffer usage"},
5344 {"queue 3 buffer usage"},
5347 {"rx do_QDIO time"},
5348 {"rx do_QDIO count"},
5349 {"tx handler time"},
5350 {"tx handler count"},
5352 /* 30 */{"tx count"},
5353 {"tx do_QDIO time"},
5354 {"tx do_QDIO count"},
5357 {"cq handler count"},
5361 int qeth_core_get_sset_count(struct net_device *dev, int stringset)
5363 switch (stringset) {
5365 return (sizeof(qeth_ethtool_stats_keys) / ETH_GSTRING_LEN);
5370 EXPORT_SYMBOL_GPL(qeth_core_get_sset_count);
5372 void qeth_core_get_ethtool_stats(struct net_device *dev,
5373 struct ethtool_stats *stats, u64 *data)
5375 struct qeth_card *card = dev->ml_priv;
5376 data[0] = card->stats.rx_packets -
5377 card->perf_stats.initial_rx_packets;
5378 data[1] = card->perf_stats.bufs_rec;
5379 data[2] = card->stats.tx_packets -
5380 card->perf_stats.initial_tx_packets;
5381 data[3] = card->perf_stats.bufs_sent;
5382 data[4] = card->stats.tx_packets - card->perf_stats.initial_tx_packets
5383 - card->perf_stats.skbs_sent_pack;
5384 data[5] = card->perf_stats.bufs_sent - card->perf_stats.bufs_sent_pack;
5385 data[6] = card->perf_stats.skbs_sent_pack;
5386 data[7] = card->perf_stats.bufs_sent_pack;
5387 data[8] = card->perf_stats.sg_skbs_sent;
5388 data[9] = card->perf_stats.sg_frags_sent;
5389 data[10] = card->perf_stats.sg_skbs_rx;
5390 data[11] = card->perf_stats.sg_frags_rx;
5391 data[12] = card->perf_stats.sg_alloc_page_rx;
5392 data[13] = (card->perf_stats.large_send_bytes >> 10);
5393 data[14] = card->perf_stats.large_send_cnt;
5394 data[15] = card->perf_stats.sc_dp_p;
5395 data[16] = card->perf_stats.sc_p_dp;
5396 data[17] = QETH_LOW_WATERMARK_PACK;
5397 data[18] = QETH_HIGH_WATERMARK_PACK;
5398 data[19] = atomic_read(&card->qdio.out_qs[0]->used_buffers);
5399 data[20] = (card->qdio.no_out_queues > 1) ?
5400 atomic_read(&card->qdio.out_qs[1]->used_buffers) : 0;
5401 data[21] = (card->qdio.no_out_queues > 2) ?
5402 atomic_read(&card->qdio.out_qs[2]->used_buffers) : 0;
5403 data[22] = (card->qdio.no_out_queues > 3) ?
5404 atomic_read(&card->qdio.out_qs[3]->used_buffers) : 0;
5405 data[23] = card->perf_stats.inbound_time;
5406 data[24] = card->perf_stats.inbound_cnt;
5407 data[25] = card->perf_stats.inbound_do_qdio_time;
5408 data[26] = card->perf_stats.inbound_do_qdio_cnt;
5409 data[27] = card->perf_stats.outbound_handler_time;
5410 data[28] = card->perf_stats.outbound_handler_cnt;
5411 data[29] = card->perf_stats.outbound_time;
5412 data[30] = card->perf_stats.outbound_cnt;
5413 data[31] = card->perf_stats.outbound_do_qdio_time;
5414 data[32] = card->perf_stats.outbound_do_qdio_cnt;
5415 data[33] = card->perf_stats.tx_csum;
5416 data[34] = card->perf_stats.tx_lin;
5417 data[35] = card->perf_stats.cq_cnt;
5418 data[36] = card->perf_stats.cq_time;
5420 EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);
5422 void qeth_core_get_strings(struct net_device *dev, u32 stringset, u8 *data)
5424 switch (stringset) {
5426 memcpy(data, &qeth_ethtool_stats_keys,
5427 sizeof(qeth_ethtool_stats_keys));
5434 EXPORT_SYMBOL_GPL(qeth_core_get_strings);
5436 void qeth_core_get_drvinfo(struct net_device *dev,
5437 struct ethtool_drvinfo *info)
5439 struct qeth_card *card = dev->ml_priv;
5440 if (card->options.layer2)
5441 strcpy(info->driver, "qeth_l2");
5443 strcpy(info->driver, "qeth_l3");
5445 strcpy(info->version, "1.0");
5446 strcpy(info->fw_version, card->info.mcl_level);
5447 sprintf(info->bus_info, "%s/%s/%s",
5450 CARD_DDEV_ID(card));
5452 EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo);
5454 int qeth_core_ethtool_get_settings(struct net_device *netdev,
5455 struct ethtool_cmd *ecmd)
5457 struct qeth_card *card = netdev->ml_priv;
5458 enum qeth_link_types link_type;
5460 if ((card->info.type == QETH_CARD_TYPE_IQD) || (card->info.guestlan))
5461 link_type = QETH_LINK_TYPE_10GBIT_ETH;
5463 link_type = card->info.link_type;
5465 ecmd->transceiver = XCVR_INTERNAL;
5466 ecmd->supported = SUPPORTED_Autoneg;
5467 ecmd->advertising = ADVERTISED_Autoneg;
5468 ecmd->duplex = DUPLEX_FULL;
5469 ecmd->autoneg = AUTONEG_ENABLE;
5471 switch (link_type) {
5472 case QETH_LINK_TYPE_FAST_ETH:
5473 case QETH_LINK_TYPE_LANE_ETH100:
5474 ecmd->supported |= SUPPORTED_10baseT_Half |
5475 SUPPORTED_10baseT_Full |
5476 SUPPORTED_100baseT_Half |
5477 SUPPORTED_100baseT_Full |
5479 ecmd->advertising |= ADVERTISED_10baseT_Half |
5480 ADVERTISED_10baseT_Full |
5481 ADVERTISED_100baseT_Half |
5482 ADVERTISED_100baseT_Full |
5484 ecmd->speed = SPEED_100;
5485 ecmd->port = PORT_TP;
5488 case QETH_LINK_TYPE_GBIT_ETH:
5489 case QETH_LINK_TYPE_LANE_ETH1000:
5490 ecmd->supported |= SUPPORTED_10baseT_Half |
5491 SUPPORTED_10baseT_Full |
5492 SUPPORTED_100baseT_Half |
5493 SUPPORTED_100baseT_Full |
5494 SUPPORTED_1000baseT_Half |
5495 SUPPORTED_1000baseT_Full |
5497 ecmd->advertising |= ADVERTISED_10baseT_Half |
5498 ADVERTISED_10baseT_Full |
5499 ADVERTISED_100baseT_Half |
5500 ADVERTISED_100baseT_Full |
5501 ADVERTISED_1000baseT_Half |
5502 ADVERTISED_1000baseT_Full |
5504 ecmd->speed = SPEED_1000;
5505 ecmd->port = PORT_FIBRE;
5508 case QETH_LINK_TYPE_10GBIT_ETH:
5509 ecmd->supported |= SUPPORTED_10baseT_Half |
5510 SUPPORTED_10baseT_Full |
5511 SUPPORTED_100baseT_Half |
5512 SUPPORTED_100baseT_Full |
5513 SUPPORTED_1000baseT_Half |
5514 SUPPORTED_1000baseT_Full |
5515 SUPPORTED_10000baseT_Full |
5517 ecmd->advertising |= ADVERTISED_10baseT_Half |
5518 ADVERTISED_10baseT_Full |
5519 ADVERTISED_100baseT_Half |
5520 ADVERTISED_100baseT_Full |
5521 ADVERTISED_1000baseT_Half |
5522 ADVERTISED_1000baseT_Full |
5523 ADVERTISED_10000baseT_Full |
5525 ecmd->speed = SPEED_10000;
5526 ecmd->port = PORT_FIBRE;
5530 ecmd->supported |= SUPPORTED_10baseT_Half |
5531 SUPPORTED_10baseT_Full |
5533 ecmd->advertising |= ADVERTISED_10baseT_Half |
5534 ADVERTISED_10baseT_Full |
5536 ecmd->speed = SPEED_10;
5537 ecmd->port = PORT_TP;
5542 EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings);
5544 static int __init qeth_core_init(void)
5548 pr_info("loading core functions\n");
5549 INIT_LIST_HEAD(&qeth_core_card_list.list);
5550 rwlock_init(&qeth_core_card_list.rwlock);
5551 mutex_init(&qeth_mod_mutex);
5553 rc = qeth_register_dbf_views();
5556 qeth_core_root_dev = root_device_register("qeth");
5557 rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0;
5560 qeth_core_header_cache = kmem_cache_create("qeth_hdr",
5561 sizeof(struct qeth_hdr) + ETH_HLEN, 64, 0, NULL);
5562 if (!qeth_core_header_cache) {
5566 qeth_qdio_outbuf_cache = kmem_cache_create("qeth_buf",
5567 sizeof(struct qeth_qdio_out_buffer), 0, 0, NULL);
5568 if (!qeth_qdio_outbuf_cache) {
5572 rc = ccw_driver_register(&qeth_ccw_driver);
5575 qeth_core_ccwgroup_driver.driver.groups = qeth_drv_attr_groups;
5576 rc = ccwgroup_driver_register(&qeth_core_ccwgroup_driver);
5583 ccw_driver_unregister(&qeth_ccw_driver);
5585 kmem_cache_destroy(qeth_qdio_outbuf_cache);
5587 kmem_cache_destroy(qeth_core_header_cache);
5589 root_device_unregister(qeth_core_root_dev);
5591 qeth_unregister_dbf_views();
5593 pr_err("Initializing the qeth device driver failed\n");
5597 static void __exit qeth_core_exit(void)
5599 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver);
5600 ccw_driver_unregister(&qeth_ccw_driver);
5601 kmem_cache_destroy(qeth_qdio_outbuf_cache);
5602 kmem_cache_destroy(qeth_core_header_cache);
5603 root_device_unregister(qeth_core_root_dev);
5604 qeth_unregister_dbf_views();
5605 pr_info("core functions removed\n");
5608 module_init(qeth_core_init);
5609 module_exit(qeth_core_exit);
5610 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
5611 MODULE_DESCRIPTION("qeth core functions");
5612 MODULE_LICENSE("GPL");