2 * drivers/s390/net/qeth_core_main.c
4 * Copyright IBM Corp. 2007, 2009
5 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
6 * Frank Pavlic <fpavlic@de.ibm.com>,
7 * Thomas Spatzier <tspat@de.ibm.com>,
8 * Frank Blaschka <frank.blaschka@de.ibm.com>
11 #define KMSG_COMPONENT "qeth"
12 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/string.h>
17 #include <linux/errno.h>
18 #include <linux/kernel.h>
20 #include <linux/tcp.h>
21 #include <linux/mii.h>
22 #include <linux/kthread.h>
23 #include <linux/slab.h>
24 #include <net/iucv/af_iucv.h>
26 #include <asm/ebcdic.h>
28 #include <asm/sysinfo.h>
29 #include <asm/compat.h>
31 #include "qeth_core.h"
33 struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS] = {
34 /* define dbf - Name, Pages, Areas, Maxlen, Level, View, Handle */
36 [QETH_DBF_SETUP] = {"qeth_setup",
37 8, 1, 8, 5, &debug_hex_ascii_view, NULL},
38 [QETH_DBF_MSG] = {"qeth_msg",
39 8, 1, 128, 3, &debug_sprintf_view, NULL},
40 [QETH_DBF_CTRL] = {"qeth_control",
41 8, 1, QETH_DBF_CTRL_LEN, 5, &debug_hex_ascii_view, NULL},
43 EXPORT_SYMBOL_GPL(qeth_dbf);
45 struct qeth_card_list_struct qeth_core_card_list;
46 EXPORT_SYMBOL_GPL(qeth_core_card_list);
47 struct kmem_cache *qeth_core_header_cache;
48 EXPORT_SYMBOL_GPL(qeth_core_header_cache);
49 static struct kmem_cache *qeth_qdio_outbuf_cache;
51 static struct device *qeth_core_root_dev;
52 static unsigned int known_devices[][6] = QETH_MODELLIST_ARRAY;
53 static struct lock_class_key qdio_out_skb_queue_key;
55 static void qeth_send_control_data_cb(struct qeth_channel *,
56 struct qeth_cmd_buffer *);
57 static int qeth_issue_next_read(struct qeth_card *);
58 static struct qeth_cmd_buffer *qeth_get_buffer(struct qeth_channel *);
59 static void qeth_setup_ccw(struct qeth_channel *, unsigned char *, __u32);
60 static void qeth_free_buffer_pool(struct qeth_card *);
61 static int qeth_qdio_establish(struct qeth_card *);
62 static void qeth_free_qdio_buffers(struct qeth_card *);
63 static void qeth_notify_skbs(struct qeth_qdio_out_q *queue,
64 struct qeth_qdio_out_buffer *buf,
65 enum iucv_tx_notify notification);
66 static void qeth_release_skbs(struct qeth_qdio_out_buffer *buf);
67 static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
68 struct qeth_qdio_out_buffer *buf,
69 enum qeth_qdio_buffer_states newbufstate);
70 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int);
72 static inline const char *qeth_get_cardname(struct qeth_card *card)
74 if (card->info.guestlan) {
75 switch (card->info.type) {
76 case QETH_CARD_TYPE_OSD:
77 return " Guest LAN QDIO";
78 case QETH_CARD_TYPE_IQD:
79 return " Guest LAN Hiper";
80 case QETH_CARD_TYPE_OSM:
81 return " Guest LAN QDIO - OSM";
82 case QETH_CARD_TYPE_OSX:
83 return " Guest LAN QDIO - OSX";
88 switch (card->info.type) {
89 case QETH_CARD_TYPE_OSD:
90 return " OSD Express";
91 case QETH_CARD_TYPE_IQD:
92 return " HiperSockets";
93 case QETH_CARD_TYPE_OSN:
95 case QETH_CARD_TYPE_OSM:
97 case QETH_CARD_TYPE_OSX:
106 /* max length to be returned: 14 */
107 const char *qeth_get_cardname_short(struct qeth_card *card)
109 if (card->info.guestlan) {
110 switch (card->info.type) {
111 case QETH_CARD_TYPE_OSD:
112 return "GuestLAN QDIO";
113 case QETH_CARD_TYPE_IQD:
114 return "GuestLAN Hiper";
115 case QETH_CARD_TYPE_OSM:
116 return "GuestLAN OSM";
117 case QETH_CARD_TYPE_OSX:
118 return "GuestLAN OSX";
123 switch (card->info.type) {
124 case QETH_CARD_TYPE_OSD:
125 switch (card->info.link_type) {
126 case QETH_LINK_TYPE_FAST_ETH:
128 case QETH_LINK_TYPE_HSTR:
130 case QETH_LINK_TYPE_GBIT_ETH:
132 case QETH_LINK_TYPE_10GBIT_ETH:
134 case QETH_LINK_TYPE_LANE_ETH100:
135 return "OSD_FE_LANE";
136 case QETH_LINK_TYPE_LANE_TR:
137 return "OSD_TR_LANE";
138 case QETH_LINK_TYPE_LANE_ETH1000:
139 return "OSD_GbE_LANE";
140 case QETH_LINK_TYPE_LANE:
141 return "OSD_ATM_LANE";
143 return "OSD_Express";
145 case QETH_CARD_TYPE_IQD:
146 return "HiperSockets";
147 case QETH_CARD_TYPE_OSN:
149 case QETH_CARD_TYPE_OSM:
151 case QETH_CARD_TYPE_OSX:
160 void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
161 int clear_start_mask)
165 spin_lock_irqsave(&card->thread_mask_lock, flags);
166 card->thread_allowed_mask = threads;
167 if (clear_start_mask)
168 card->thread_start_mask &= threads;
169 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
170 wake_up(&card->wait_q);
172 EXPORT_SYMBOL_GPL(qeth_set_allowed_threads);
174 int qeth_threads_running(struct qeth_card *card, unsigned long threads)
179 spin_lock_irqsave(&card->thread_mask_lock, flags);
180 rc = (card->thread_running_mask & threads);
181 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
184 EXPORT_SYMBOL_GPL(qeth_threads_running);
186 int qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
188 return wait_event_interruptible(card->wait_q,
189 qeth_threads_running(card, threads) == 0);
191 EXPORT_SYMBOL_GPL(qeth_wait_for_threads);
193 void qeth_clear_working_pool_list(struct qeth_card *card)
195 struct qeth_buffer_pool_entry *pool_entry, *tmp;
197 QETH_CARD_TEXT(card, 5, "clwrklst");
198 list_for_each_entry_safe(pool_entry, tmp,
199 &card->qdio.in_buf_pool.entry_list, list){
200 list_del(&pool_entry->list);
203 EXPORT_SYMBOL_GPL(qeth_clear_working_pool_list);
205 static int qeth_alloc_buffer_pool(struct qeth_card *card)
207 struct qeth_buffer_pool_entry *pool_entry;
211 QETH_CARD_TEXT(card, 5, "alocpool");
212 for (i = 0; i < card->qdio.init_pool.buf_count; ++i) {
213 pool_entry = kzalloc(sizeof(*pool_entry), GFP_KERNEL);
215 qeth_free_buffer_pool(card);
218 for (j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j) {
219 ptr = (void *) __get_free_page(GFP_KERNEL);
222 free_page((unsigned long)
223 pool_entry->elements[--j]);
225 qeth_free_buffer_pool(card);
228 pool_entry->elements[j] = ptr;
230 list_add(&pool_entry->init_list,
231 &card->qdio.init_pool.entry_list);
236 int qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
238 QETH_CARD_TEXT(card, 2, "realcbp");
240 if ((card->state != CARD_STATE_DOWN) &&
241 (card->state != CARD_STATE_RECOVER))
244 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
245 qeth_clear_working_pool_list(card);
246 qeth_free_buffer_pool(card);
247 card->qdio.in_buf_pool.buf_count = bufcnt;
248 card->qdio.init_pool.buf_count = bufcnt;
249 return qeth_alloc_buffer_pool(card);
251 EXPORT_SYMBOL_GPL(qeth_realloc_buffer_pool);
253 static inline int qeth_cq_init(struct qeth_card *card)
257 if (card->options.cq == QETH_CQ_ENABLED) {
258 QETH_DBF_TEXT(SETUP, 2, "cqinit");
259 memset(card->qdio.c_q->qdio_bufs, 0,
260 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
261 card->qdio.c_q->next_buf_to_init = 127;
262 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT,
263 card->qdio.no_in_queues - 1, 0,
266 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
275 static inline int qeth_alloc_cq(struct qeth_card *card)
279 if (card->options.cq == QETH_CQ_ENABLED) {
281 struct qdio_outbuf_state *outbuf_states;
283 QETH_DBF_TEXT(SETUP, 2, "cqon");
284 card->qdio.c_q = kzalloc(sizeof(struct qeth_qdio_q),
286 if (!card->qdio.c_q) {
290 QETH_DBF_HEX(SETUP, 2, &card->qdio.c_q, sizeof(void *));
292 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
293 card->qdio.c_q->bufs[i].buffer =
294 &card->qdio.c_q->qdio_bufs[i];
297 card->qdio.no_in_queues = 2;
299 card->qdio.out_bufstates = (struct qdio_outbuf_state *)
300 kzalloc(card->qdio.no_out_queues *
301 QDIO_MAX_BUFFERS_PER_Q *
302 sizeof(struct qdio_outbuf_state), GFP_KERNEL);
303 outbuf_states = card->qdio.out_bufstates;
304 if (outbuf_states == NULL) {
308 for (i = 0; i < card->qdio.no_out_queues; ++i) {
309 card->qdio.out_qs[i]->bufstates = outbuf_states;
310 outbuf_states += QDIO_MAX_BUFFERS_PER_Q;
313 QETH_DBF_TEXT(SETUP, 2, "nocq");
314 card->qdio.c_q = NULL;
315 card->qdio.no_in_queues = 1;
317 QETH_DBF_TEXT_(SETUP, 2, "iqc%d", card->qdio.no_in_queues);
322 kfree(card->qdio.c_q);
323 card->qdio.c_q = NULL;
325 dev_err(&card->gdev->dev, "Failed to create completion queue\n");
329 static inline void qeth_free_cq(struct qeth_card *card)
331 if (card->qdio.c_q) {
332 --card->qdio.no_in_queues;
333 kfree(card->qdio.c_q);
334 card->qdio.c_q = NULL;
336 kfree(card->qdio.out_bufstates);
337 card->qdio.out_bufstates = NULL;
340 static inline enum iucv_tx_notify qeth_compute_cq_notification(int sbalf15,
342 enum iucv_tx_notify n;
346 n = delayed ? TX_NOTIFY_DELAYED_OK : TX_NOTIFY_OK;
352 n = delayed ? TX_NOTIFY_DELAYED_UNREACHABLE :
353 TX_NOTIFY_UNREACHABLE;
356 n = delayed ? TX_NOTIFY_DELAYED_GENERALERROR :
357 TX_NOTIFY_GENERALERROR;
364 static inline void qeth_cleanup_handled_pending(struct qeth_qdio_out_q *q,
365 int bidx, int forced_cleanup)
367 if (q->card->options.cq != QETH_CQ_ENABLED)
370 if (q->bufs[bidx]->next_pending != NULL) {
371 struct qeth_qdio_out_buffer *head = q->bufs[bidx];
372 struct qeth_qdio_out_buffer *c = q->bufs[bidx]->next_pending;
375 if (forced_cleanup ||
376 atomic_read(&c->state) ==
377 QETH_QDIO_BUF_HANDLED_DELAYED) {
378 struct qeth_qdio_out_buffer *f = c;
379 QETH_CARD_TEXT(f->q->card, 5, "fp");
380 QETH_CARD_TEXT_(f->q->card, 5, "%lx", (long) f);
381 /* release here to avoid interleaving between
382 outbound tasklet and inbound tasklet
383 regarding notifications and lifecycle */
384 qeth_release_skbs(c);
387 BUG_ON(head->next_pending != f);
388 head->next_pending = c;
389 kmem_cache_free(qeth_qdio_outbuf_cache, f);
397 if (forced_cleanup && (atomic_read(&(q->bufs[bidx]->state)) ==
398 QETH_QDIO_BUF_HANDLED_DELAYED)) {
399 /* for recovery situations */
400 q->bufs[bidx]->aob = q->bufstates[bidx].aob;
401 qeth_init_qdio_out_buf(q, bidx);
402 QETH_CARD_TEXT(q->card, 2, "clprecov");
407 static inline void qeth_qdio_handle_aob(struct qeth_card *card,
408 unsigned long phys_aob_addr) {
410 struct qeth_qdio_out_buffer *buffer;
411 enum iucv_tx_notify notification;
413 aob = (struct qaob *) phys_to_virt(phys_aob_addr);
414 QETH_CARD_TEXT(card, 5, "haob");
415 QETH_CARD_TEXT_(card, 5, "%lx", phys_aob_addr);
416 buffer = (struct qeth_qdio_out_buffer *) aob->user1;
417 QETH_CARD_TEXT_(card, 5, "%lx", aob->user1);
419 BUG_ON(buffer == NULL);
421 if (atomic_cmpxchg(&buffer->state, QETH_QDIO_BUF_PRIMED,
422 QETH_QDIO_BUF_IN_CQ) == QETH_QDIO_BUF_PRIMED) {
423 notification = TX_NOTIFY_OK;
425 BUG_ON(atomic_read(&buffer->state) != QETH_QDIO_BUF_PENDING);
426 atomic_set(&buffer->state, QETH_QDIO_BUF_IN_CQ);
427 notification = TX_NOTIFY_DELAYED_OK;
430 if (aob->aorc != 0) {
431 QETH_CARD_TEXT_(card, 2, "aorc%02X", aob->aorc);
432 notification = qeth_compute_cq_notification(aob->aorc, 1);
434 qeth_notify_skbs(buffer->q, buffer, notification);
437 qeth_clear_output_buffer(buffer->q, buffer,
438 QETH_QDIO_BUF_HANDLED_DELAYED);
440 /* from here on: do not touch buffer anymore */
441 qdio_release_aob(aob);
444 static inline int qeth_is_cq(struct qeth_card *card, unsigned int queue)
446 return card->options.cq == QETH_CQ_ENABLED &&
447 card->qdio.c_q != NULL &&
449 queue == card->qdio.no_in_queues - 1;
453 static int qeth_issue_next_read(struct qeth_card *card)
456 struct qeth_cmd_buffer *iob;
458 QETH_CARD_TEXT(card, 5, "issnxrd");
459 if (card->read.state != CH_STATE_UP)
461 iob = qeth_get_buffer(&card->read);
463 dev_warn(&card->gdev->dev, "The qeth device driver "
464 "failed to recover an error on the device\n");
465 QETH_DBF_MESSAGE(2, "%s issue_next_read failed: no iob "
466 "available\n", dev_name(&card->gdev->dev));
469 qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE);
470 QETH_CARD_TEXT(card, 6, "noirqpnd");
471 rc = ccw_device_start(card->read.ccwdev, &card->read.ccw,
474 QETH_DBF_MESSAGE(2, "%s error in starting next read ccw! "
475 "rc=%i\n", dev_name(&card->gdev->dev), rc);
476 atomic_set(&card->read.irq_pending, 0);
477 card->read_or_write_problem = 1;
478 qeth_schedule_recovery(card);
479 wake_up(&card->wait_q);
484 static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card)
486 struct qeth_reply *reply;
488 reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
490 atomic_set(&reply->refcnt, 1);
491 atomic_set(&reply->received, 0);
497 static void qeth_get_reply(struct qeth_reply *reply)
499 WARN_ON(atomic_read(&reply->refcnt) <= 0);
500 atomic_inc(&reply->refcnt);
503 static void qeth_put_reply(struct qeth_reply *reply)
505 WARN_ON(atomic_read(&reply->refcnt) <= 0);
506 if (atomic_dec_and_test(&reply->refcnt))
510 static void qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, int rc,
511 struct qeth_card *card)
514 int com = cmd->hdr.command;
515 ipa_name = qeth_get_ipa_cmd_name(com);
517 QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s/%s returned "
519 ipa_name, com, dev_name(&card->gdev->dev),
520 QETH_CARD_IFNAME(card), rc,
521 qeth_get_ipa_msg(rc));
523 QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s/%s succeeded\n",
524 ipa_name, com, dev_name(&card->gdev->dev),
525 QETH_CARD_IFNAME(card));
528 static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
529 struct qeth_cmd_buffer *iob)
531 struct qeth_ipa_cmd *cmd = NULL;
533 QETH_CARD_TEXT(card, 5, "chkipad");
534 if (IS_IPA(iob->data)) {
535 cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
536 if (IS_IPA_REPLY(cmd)) {
537 if (cmd->hdr.command != IPA_CMD_SETCCID &&
538 cmd->hdr.command != IPA_CMD_DELCCID &&
539 cmd->hdr.command != IPA_CMD_MODCCID &&
540 cmd->hdr.command != IPA_CMD_SET_DIAG_ASS)
541 qeth_issue_ipa_msg(cmd,
542 cmd->hdr.return_code, card);
545 switch (cmd->hdr.command) {
546 case IPA_CMD_STOPLAN:
547 dev_warn(&card->gdev->dev,
548 "The link for interface %s on CHPID"
550 QETH_CARD_IFNAME(card),
552 card->lan_online = 0;
553 if (card->dev && netif_carrier_ok(card->dev))
554 netif_carrier_off(card->dev);
556 case IPA_CMD_STARTLAN:
557 dev_info(&card->gdev->dev,
558 "The link for %s on CHPID 0x%X has"
560 QETH_CARD_IFNAME(card),
562 netif_carrier_on(card->dev);
563 card->lan_online = 1;
564 if (card->info.hwtrap)
565 card->info.hwtrap = 2;
566 qeth_schedule_recovery(card);
568 case IPA_CMD_MODCCID:
570 case IPA_CMD_REGISTER_LOCAL_ADDR:
571 QETH_CARD_TEXT(card, 3, "irla");
573 case IPA_CMD_UNREGISTER_LOCAL_ADDR:
574 QETH_CARD_TEXT(card, 3, "urla");
577 QETH_DBF_MESSAGE(2, "Received data is IPA "
578 "but not a reply!\n");
586 void qeth_clear_ipacmd_list(struct qeth_card *card)
588 struct qeth_reply *reply, *r;
591 QETH_CARD_TEXT(card, 4, "clipalst");
593 spin_lock_irqsave(&card->lock, flags);
594 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
595 qeth_get_reply(reply);
597 atomic_inc(&reply->received);
598 list_del_init(&reply->list);
599 wake_up(&reply->wait_q);
600 qeth_put_reply(reply);
602 spin_unlock_irqrestore(&card->lock, flags);
603 atomic_set(&card->write.irq_pending, 0);
605 EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list);
607 static int qeth_check_idx_response(struct qeth_card *card,
608 unsigned char *buffer)
613 QETH_DBF_HEX(CTRL, 2, buffer, QETH_DBF_CTRL_LEN);
614 if ((buffer[2] & 0xc0) == 0xc0) {
615 QETH_DBF_MESSAGE(2, "received an IDX TERMINATE "
616 "with cause code 0x%02x%s\n",
618 ((buffer[4] == 0x22) ?
619 " -- try another portname" : ""));
620 QETH_CARD_TEXT(card, 2, "ckidxres");
621 QETH_CARD_TEXT(card, 2, " idxterm");
622 QETH_CARD_TEXT_(card, 2, " rc%d", -EIO);
623 if (buffer[4] == 0xf6) {
624 dev_err(&card->gdev->dev,
625 "The qeth device is not configured "
626 "for the OSI layer required by z/VM\n");
634 static void qeth_setup_ccw(struct qeth_channel *channel, unsigned char *iob,
637 struct qeth_card *card;
639 card = CARD_FROM_CDEV(channel->ccwdev);
640 QETH_CARD_TEXT(card, 4, "setupccw");
641 if (channel == &card->read)
642 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
644 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
645 channel->ccw.count = len;
646 channel->ccw.cda = (__u32) __pa(iob);
649 static struct qeth_cmd_buffer *__qeth_get_buffer(struct qeth_channel *channel)
653 QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "getbuff");
654 index = channel->io_buf_no;
656 if (channel->iob[index].state == BUF_STATE_FREE) {
657 channel->iob[index].state = BUF_STATE_LOCKED;
658 channel->io_buf_no = (channel->io_buf_no + 1) %
660 memset(channel->iob[index].data, 0, QETH_BUFSIZE);
661 return channel->iob + index;
663 index = (index + 1) % QETH_CMD_BUFFER_NO;
664 } while (index != channel->io_buf_no);
669 void qeth_release_buffer(struct qeth_channel *channel,
670 struct qeth_cmd_buffer *iob)
674 QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "relbuff");
675 spin_lock_irqsave(&channel->iob_lock, flags);
676 memset(iob->data, 0, QETH_BUFSIZE);
677 iob->state = BUF_STATE_FREE;
678 iob->callback = qeth_send_control_data_cb;
680 spin_unlock_irqrestore(&channel->iob_lock, flags);
681 wake_up(&channel->wait_q);
683 EXPORT_SYMBOL_GPL(qeth_release_buffer);
685 static struct qeth_cmd_buffer *qeth_get_buffer(struct qeth_channel *channel)
687 struct qeth_cmd_buffer *buffer = NULL;
690 spin_lock_irqsave(&channel->iob_lock, flags);
691 buffer = __qeth_get_buffer(channel);
692 spin_unlock_irqrestore(&channel->iob_lock, flags);
696 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *channel)
698 struct qeth_cmd_buffer *buffer;
699 wait_event(channel->wait_q,
700 ((buffer = qeth_get_buffer(channel)) != NULL));
703 EXPORT_SYMBOL_GPL(qeth_wait_for_buffer);
705 void qeth_clear_cmd_buffers(struct qeth_channel *channel)
709 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
710 qeth_release_buffer(channel, &channel->iob[cnt]);
712 channel->io_buf_no = 0;
714 EXPORT_SYMBOL_GPL(qeth_clear_cmd_buffers);
716 static void qeth_send_control_data_cb(struct qeth_channel *channel,
717 struct qeth_cmd_buffer *iob)
719 struct qeth_card *card;
720 struct qeth_reply *reply, *r;
721 struct qeth_ipa_cmd *cmd;
726 card = CARD_FROM_CDEV(channel->ccwdev);
727 QETH_CARD_TEXT(card, 4, "sndctlcb");
728 rc = qeth_check_idx_response(card, iob->data);
733 qeth_clear_ipacmd_list(card);
734 qeth_schedule_recovery(card);
740 cmd = qeth_check_ipa_data(card, iob);
741 if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
743 /*in case of OSN : check if cmd is set */
744 if (card->info.type == QETH_CARD_TYPE_OSN &&
746 cmd->hdr.command != IPA_CMD_STARTLAN &&
747 card->osn_info.assist_cb != NULL) {
748 card->osn_info.assist_cb(card->dev, cmd);
752 spin_lock_irqsave(&card->lock, flags);
753 list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
754 if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) ||
755 ((cmd) && (reply->seqno == cmd->hdr.seqno))) {
756 qeth_get_reply(reply);
757 list_del_init(&reply->list);
758 spin_unlock_irqrestore(&card->lock, flags);
760 if (reply->callback != NULL) {
762 reply->offset = (__u16)((char *)cmd -
764 keep_reply = reply->callback(card,
768 keep_reply = reply->callback(card,
773 reply->rc = (u16) cmd->hdr.return_code;
777 spin_lock_irqsave(&card->lock, flags);
778 list_add_tail(&reply->list,
779 &card->cmd_waiter_list);
780 spin_unlock_irqrestore(&card->lock, flags);
782 atomic_inc(&reply->received);
783 wake_up(&reply->wait_q);
785 qeth_put_reply(reply);
789 spin_unlock_irqrestore(&card->lock, flags);
791 memcpy(&card->seqno.pdu_hdr_ack,
792 QETH_PDU_HEADER_SEQ_NO(iob->data),
794 qeth_release_buffer(channel, iob);
797 static int qeth_setup_channel(struct qeth_channel *channel)
801 QETH_DBF_TEXT(SETUP, 2, "setupch");
802 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
803 channel->iob[cnt].data =
804 kzalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
805 if (channel->iob[cnt].data == NULL)
807 channel->iob[cnt].state = BUF_STATE_FREE;
808 channel->iob[cnt].channel = channel;
809 channel->iob[cnt].callback = qeth_send_control_data_cb;
810 channel->iob[cnt].rc = 0;
812 if (cnt < QETH_CMD_BUFFER_NO) {
814 kfree(channel->iob[cnt].data);
818 channel->io_buf_no = 0;
819 atomic_set(&channel->irq_pending, 0);
820 spin_lock_init(&channel->iob_lock);
822 init_waitqueue_head(&channel->wait_q);
826 static int qeth_set_thread_start_bit(struct qeth_card *card,
827 unsigned long thread)
831 spin_lock_irqsave(&card->thread_mask_lock, flags);
832 if (!(card->thread_allowed_mask & thread) ||
833 (card->thread_start_mask & thread)) {
834 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
837 card->thread_start_mask |= thread;
838 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
842 void qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
846 spin_lock_irqsave(&card->thread_mask_lock, flags);
847 card->thread_start_mask &= ~thread;
848 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
849 wake_up(&card->wait_q);
851 EXPORT_SYMBOL_GPL(qeth_clear_thread_start_bit);
853 void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
857 spin_lock_irqsave(&card->thread_mask_lock, flags);
858 card->thread_running_mask &= ~thread;
859 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
860 wake_up(&card->wait_q);
862 EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit);
864 static int __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
869 spin_lock_irqsave(&card->thread_mask_lock, flags);
870 if (card->thread_start_mask & thread) {
871 if ((card->thread_allowed_mask & thread) &&
872 !(card->thread_running_mask & thread)) {
874 card->thread_start_mask &= ~thread;
875 card->thread_running_mask |= thread;
879 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
883 int qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
887 wait_event(card->wait_q,
888 (rc = __qeth_do_run_thread(card, thread)) >= 0);
891 EXPORT_SYMBOL_GPL(qeth_do_run_thread);
893 void qeth_schedule_recovery(struct qeth_card *card)
895 QETH_CARD_TEXT(card, 2, "startrec");
896 if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
897 schedule_work(&card->kernel_thread_starter);
899 EXPORT_SYMBOL_GPL(qeth_schedule_recovery);
901 static int qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
905 struct qeth_card *card;
907 sense = (char *) irb->ecw;
908 cstat = irb->scsw.cmd.cstat;
909 dstat = irb->scsw.cmd.dstat;
910 card = CARD_FROM_CDEV(cdev);
912 if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
913 SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
914 SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
915 QETH_CARD_TEXT(card, 2, "CGENCHK");
916 dev_warn(&cdev->dev, "The qeth device driver "
917 "failed to recover an error on the device\n");
918 QETH_DBF_MESSAGE(2, "%s check on device dstat=x%x, cstat=x%x\n",
919 dev_name(&cdev->dev), dstat, cstat);
920 print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET,
925 if (dstat & DEV_STAT_UNIT_CHECK) {
926 if (sense[SENSE_RESETTING_EVENT_BYTE] &
927 SENSE_RESETTING_EVENT_FLAG) {
928 QETH_CARD_TEXT(card, 2, "REVIND");
931 if (sense[SENSE_COMMAND_REJECT_BYTE] &
932 SENSE_COMMAND_REJECT_FLAG) {
933 QETH_CARD_TEXT(card, 2, "CMDREJi");
936 if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) {
937 QETH_CARD_TEXT(card, 2, "AFFE");
940 if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) {
941 QETH_CARD_TEXT(card, 2, "ZEROSEN");
944 QETH_CARD_TEXT(card, 2, "DGENCHK");
950 static long __qeth_check_irb_error(struct ccw_device *cdev,
951 unsigned long intparm, struct irb *irb)
953 struct qeth_card *card;
955 card = CARD_FROM_CDEV(cdev);
960 switch (PTR_ERR(irb)) {
962 QETH_DBF_MESSAGE(2, "%s i/o-error on device\n",
963 dev_name(&cdev->dev));
964 QETH_CARD_TEXT(card, 2, "ckirberr");
965 QETH_CARD_TEXT_(card, 2, " rc%d", -EIO);
968 dev_warn(&cdev->dev, "A hardware operation timed out"
970 QETH_CARD_TEXT(card, 2, "ckirberr");
971 QETH_CARD_TEXT_(card, 2, " rc%d", -ETIMEDOUT);
972 if (intparm == QETH_RCD_PARM) {
973 if (card && (card->data.ccwdev == cdev)) {
974 card->data.state = CH_STATE_DOWN;
975 wake_up(&card->wait_q);
980 QETH_DBF_MESSAGE(2, "%s unknown error %ld on device\n",
981 dev_name(&cdev->dev), PTR_ERR(irb));
982 QETH_CARD_TEXT(card, 2, "ckirberr");
983 QETH_CARD_TEXT(card, 2, " rc???");
988 static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
993 struct qeth_cmd_buffer *buffer;
994 struct qeth_channel *channel;
995 struct qeth_card *card;
996 struct qeth_cmd_buffer *iob;
999 if (__qeth_check_irb_error(cdev, intparm, irb))
1001 cstat = irb->scsw.cmd.cstat;
1002 dstat = irb->scsw.cmd.dstat;
1004 card = CARD_FROM_CDEV(cdev);
1008 QETH_CARD_TEXT(card, 5, "irq");
1010 if (card->read.ccwdev == cdev) {
1011 channel = &card->read;
1012 QETH_CARD_TEXT(card, 5, "read");
1013 } else if (card->write.ccwdev == cdev) {
1014 channel = &card->write;
1015 QETH_CARD_TEXT(card, 5, "write");
1017 channel = &card->data;
1018 QETH_CARD_TEXT(card, 5, "data");
1020 atomic_set(&channel->irq_pending, 0);
1022 if (irb->scsw.cmd.fctl & (SCSW_FCTL_CLEAR_FUNC))
1023 channel->state = CH_STATE_STOPPED;
1025 if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC))
1026 channel->state = CH_STATE_HALTED;
1028 /*let's wake up immediately on data channel*/
1029 if ((channel == &card->data) && (intparm != 0) &&
1030 (intparm != QETH_RCD_PARM))
1033 if (intparm == QETH_CLEAR_CHANNEL_PARM) {
1034 QETH_CARD_TEXT(card, 6, "clrchpar");
1035 /* we don't have to handle this further */
1038 if (intparm == QETH_HALT_CHANNEL_PARM) {
1039 QETH_CARD_TEXT(card, 6, "hltchpar");
1040 /* we don't have to handle this further */
1043 if ((dstat & DEV_STAT_UNIT_EXCEP) ||
1044 (dstat & DEV_STAT_UNIT_CHECK) ||
1046 if (irb->esw.esw0.erw.cons) {
1047 dev_warn(&channel->ccwdev->dev,
1048 "The qeth device driver failed to recover "
1049 "an error on the device\n");
1050 QETH_DBF_MESSAGE(2, "%s sense data available. cstat "
1051 "0x%X dstat 0x%X\n",
1052 dev_name(&channel->ccwdev->dev), cstat, dstat);
1053 print_hex_dump(KERN_WARNING, "qeth: irb ",
1054 DUMP_PREFIX_OFFSET, 16, 1, irb, 32, 1);
1055 print_hex_dump(KERN_WARNING, "qeth: sense data ",
1056 DUMP_PREFIX_OFFSET, 16, 1, irb->ecw, 32, 1);
1058 if (intparm == QETH_RCD_PARM) {
1059 channel->state = CH_STATE_DOWN;
1062 rc = qeth_get_problem(cdev, irb);
1064 qeth_clear_ipacmd_list(card);
1065 qeth_schedule_recovery(card);
1070 if (intparm == QETH_RCD_PARM) {
1071 channel->state = CH_STATE_RCD_DONE;
1075 buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
1076 buffer->state = BUF_STATE_PROCESSED;
1078 if (channel == &card->data)
1080 if (channel == &card->read &&
1081 channel->state == CH_STATE_UP)
1082 qeth_issue_next_read(card);
1085 index = channel->buf_no;
1086 while (iob[index].state == BUF_STATE_PROCESSED) {
1087 if (iob[index].callback != NULL)
1088 iob[index].callback(channel, iob + index);
1090 index = (index + 1) % QETH_CMD_BUFFER_NO;
1092 channel->buf_no = index;
1094 wake_up(&card->wait_q);
1098 static void qeth_notify_skbs(struct qeth_qdio_out_q *q,
1099 struct qeth_qdio_out_buffer *buf,
1100 enum iucv_tx_notify notification)
1102 struct sk_buff *skb;
1104 if (skb_queue_empty(&buf->skb_list))
1106 skb = skb_peek(&buf->skb_list);
1108 QETH_CARD_TEXT_(q->card, 5, "skbn%d", notification);
1109 QETH_CARD_TEXT_(q->card, 5, "%lx", (long) skb);
1110 if (skb->protocol == ETH_P_AF_IUCV) {
1112 struct iucv_sock *iucv = iucv_sk(skb->sk);
1113 iucv->sk_txnotify(skb, notification);
1116 if (skb_queue_is_last(&buf->skb_list, skb))
1119 skb = skb_queue_next(&buf->skb_list, skb);
1125 static void qeth_release_skbs(struct qeth_qdio_out_buffer *buf)
1127 struct sk_buff *skb;
1128 struct iucv_sock *iucv;
1129 int notify_general_error = 0;
1131 if (atomic_read(&buf->state) == QETH_QDIO_BUF_PENDING)
1132 notify_general_error = 1;
1134 /* release may never happen from within CQ tasklet scope */
1135 BUG_ON(atomic_read(&buf->state) == QETH_QDIO_BUF_IN_CQ);
1137 skb = skb_dequeue(&buf->skb_list);
1139 QETH_CARD_TEXT(buf->q->card, 5, "skbr");
1140 QETH_CARD_TEXT_(buf->q->card, 5, "%lx", (long) skb);
1141 if (notify_general_error && skb->protocol == ETH_P_AF_IUCV) {
1143 iucv = iucv_sk(skb->sk);
1144 iucv->sk_txnotify(skb, TX_NOTIFY_GENERALERROR);
1147 atomic_dec(&skb->users);
1148 dev_kfree_skb_any(skb);
1149 skb = skb_dequeue(&buf->skb_list);
1153 static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
1154 struct qeth_qdio_out_buffer *buf,
1155 enum qeth_qdio_buffer_states newbufstate)
1159 /* is PCI flag set on buffer? */
1160 if (buf->buffer->element[0].sflags & SBAL_SFLAGS0_PCI_REQ)
1161 atomic_dec(&queue->set_pci_flags_count);
1163 if (newbufstate == QETH_QDIO_BUF_EMPTY) {
1164 qeth_release_skbs(buf);
1166 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) {
1167 if (buf->buffer->element[i].addr && buf->is_header[i])
1168 kmem_cache_free(qeth_core_header_cache,
1169 buf->buffer->element[i].addr);
1170 buf->is_header[i] = 0;
1171 buf->buffer->element[i].length = 0;
1172 buf->buffer->element[i].addr = NULL;
1173 buf->buffer->element[i].eflags = 0;
1174 buf->buffer->element[i].sflags = 0;
1176 buf->buffer->element[15].eflags = 0;
1177 buf->buffer->element[15].sflags = 0;
1178 buf->next_element_to_fill = 0;
1179 atomic_set(&buf->state, newbufstate);
1182 static void qeth_clear_outq_buffers(struct qeth_qdio_out_q *q, int free)
1186 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
1189 qeth_cleanup_handled_pending(q, j, 1);
1190 qeth_clear_output_buffer(q, q->bufs[j], QETH_QDIO_BUF_EMPTY);
1192 kmem_cache_free(qeth_qdio_outbuf_cache, q->bufs[j]);
1198 void qeth_clear_qdio_buffers(struct qeth_card *card)
1202 QETH_CARD_TEXT(card, 2, "clearqdbf");
1203 /* clear outbound buffers to free skbs */
1204 for (i = 0; i < card->qdio.no_out_queues; ++i) {
1205 if (card->qdio.out_qs[i]) {
1206 qeth_clear_outq_buffers(card->qdio.out_qs[i], 0);
1210 EXPORT_SYMBOL_GPL(qeth_clear_qdio_buffers);
1212 static void qeth_free_buffer_pool(struct qeth_card *card)
1214 struct qeth_buffer_pool_entry *pool_entry, *tmp;
1216 list_for_each_entry_safe(pool_entry, tmp,
1217 &card->qdio.init_pool.entry_list, init_list){
1218 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i)
1219 free_page((unsigned long)pool_entry->elements[i]);
1220 list_del(&pool_entry->init_list);
1225 static void qeth_free_qdio_buffers(struct qeth_card *card)
1229 if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) ==
1230 QETH_QDIO_UNINITIALIZED)
1234 cancel_delayed_work_sync(&card->buffer_reclaim_work);
1235 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j)
1236 dev_kfree_skb_any(card->qdio.in_q->bufs[j].rx_skb);
1237 kfree(card->qdio.in_q);
1238 card->qdio.in_q = NULL;
1239 /* inbound buffer pool */
1240 qeth_free_buffer_pool(card);
1241 /* free outbound qdio_qs */
1242 if (card->qdio.out_qs) {
1243 for (i = 0; i < card->qdio.no_out_queues; ++i) {
1244 qeth_clear_outq_buffers(card->qdio.out_qs[i], 1);
1245 kfree(card->qdio.out_qs[i]);
1247 kfree(card->qdio.out_qs);
1248 card->qdio.out_qs = NULL;
1252 static void qeth_clean_channel(struct qeth_channel *channel)
1256 QETH_DBF_TEXT(SETUP, 2, "freech");
1257 for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
1258 kfree(channel->iob[cnt].data);
1261 static void qeth_get_channel_path_desc(struct qeth_card *card)
1263 struct ccw_device *ccwdev;
1264 struct channelPath_dsc {
1275 QETH_DBF_TEXT(SETUP, 2, "chp_desc");
1277 ccwdev = card->data.ccwdev;
1278 chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0);
1279 if (chp_dsc != NULL) {
1280 if (card->info.type != QETH_CARD_TYPE_IQD) {
1281 /* CHPP field bit 6 == 1 -> single queue */
1282 if ((chp_dsc->chpp & 0x02) == 0x02) {
1283 if ((atomic_read(&card->qdio.state) !=
1284 QETH_QDIO_UNINITIALIZED) &&
1285 (card->qdio.no_out_queues == 4))
1286 /* change from 4 to 1 outbound queues */
1287 qeth_free_qdio_buffers(card);
1288 card->qdio.no_out_queues = 1;
1289 if (card->qdio.default_out_queue != 0)
1290 dev_info(&card->gdev->dev,
1291 "Priority Queueing not supported\n");
1292 card->qdio.default_out_queue = 0;
1294 if ((atomic_read(&card->qdio.state) !=
1295 QETH_QDIO_UNINITIALIZED) &&
1296 (card->qdio.no_out_queues == 1)) {
1297 /* change from 1 to 4 outbound queues */
1298 qeth_free_qdio_buffers(card);
1299 card->qdio.default_out_queue = 2;
1301 card->qdio.no_out_queues = 4;
1304 card->info.func_level = 0x4100 + chp_dsc->desc;
1307 QETH_DBF_TEXT_(SETUP, 2, "nr:%x", card->qdio.no_out_queues);
1308 QETH_DBF_TEXT_(SETUP, 2, "lvl:%02x", card->info.func_level);
1312 static void qeth_init_qdio_info(struct qeth_card *card)
1314 QETH_DBF_TEXT(SETUP, 4, "intqdinf");
1315 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
1317 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
1318 if (card->info.type == QETH_CARD_TYPE_IQD)
1319 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_HSDEFAULT;
1321 card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
1322 card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
1323 INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
1324 INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
1327 static void qeth_set_intial_options(struct qeth_card *card)
1329 card->options.route4.type = NO_ROUTER;
1330 card->options.route6.type = NO_ROUTER;
1331 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
1332 card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
1333 card->options.fake_broadcast = 0;
1334 card->options.add_hhlen = DEFAULT_ADD_HHLEN;
1335 card->options.performance_stats = 0;
1336 card->options.rx_sg_cb = QETH_RX_SG_CB;
1337 card->options.isolation = ISOLATION_MODE_NONE;
1338 card->options.cq = QETH_CQ_DISABLED;
1341 static int qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
1343 unsigned long flags;
1346 spin_lock_irqsave(&card->thread_mask_lock, flags);
1347 QETH_CARD_TEXT_(card, 4, " %02x%02x%02x",
1348 (u8) card->thread_start_mask,
1349 (u8) card->thread_allowed_mask,
1350 (u8) card->thread_running_mask);
1351 rc = (card->thread_start_mask & thread);
1352 spin_unlock_irqrestore(&card->thread_mask_lock, flags);
1356 static void qeth_start_kernel_thread(struct work_struct *work)
1358 struct task_struct *ts;
1359 struct qeth_card *card = container_of(work, struct qeth_card,
1360 kernel_thread_starter);
1361 QETH_CARD_TEXT(card , 2, "strthrd");
1363 if (card->read.state != CH_STATE_UP &&
1364 card->write.state != CH_STATE_UP)
1366 if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) {
1367 ts = kthread_run(card->discipline.recover, (void *)card,
1370 qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
1371 qeth_clear_thread_running_bit(card,
1372 QETH_RECOVER_THREAD);
1377 static int qeth_setup_card(struct qeth_card *card)
1380 QETH_DBF_TEXT(SETUP, 2, "setupcrd");
1381 QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
1383 card->read.state = CH_STATE_DOWN;
1384 card->write.state = CH_STATE_DOWN;
1385 card->data.state = CH_STATE_DOWN;
1386 card->state = CARD_STATE_DOWN;
1387 card->lan_online = 0;
1388 card->read_or_write_problem = 0;
1390 spin_lock_init(&card->vlanlock);
1391 spin_lock_init(&card->mclock);
1392 spin_lock_init(&card->lock);
1393 spin_lock_init(&card->ip_lock);
1394 spin_lock_init(&card->thread_mask_lock);
1395 mutex_init(&card->conf_mutex);
1396 mutex_init(&card->discipline_mutex);
1397 card->thread_start_mask = 0;
1398 card->thread_allowed_mask = 0;
1399 card->thread_running_mask = 0;
1400 INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread);
1401 INIT_LIST_HEAD(&card->ip_list);
1402 INIT_LIST_HEAD(card->ip_tbd_list);
1403 INIT_LIST_HEAD(&card->cmd_waiter_list);
1404 init_waitqueue_head(&card->wait_q);
1405 /* initial options */
1406 qeth_set_intial_options(card);
1407 /* IP address takeover */
1408 INIT_LIST_HEAD(&card->ipato.entries);
1409 card->ipato.enabled = 0;
1410 card->ipato.invert4 = 0;
1411 card->ipato.invert6 = 0;
1412 /* init QDIO stuff */
1413 qeth_init_qdio_info(card);
1414 INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work);
1418 static void qeth_core_sl_print(struct seq_file *m, struct service_level *slr)
1420 struct qeth_card *card = container_of(slr, struct qeth_card,
1421 qeth_service_level);
1422 if (card->info.mcl_level[0])
1423 seq_printf(m, "qeth: %s firmware level %s\n",
1424 CARD_BUS_ID(card), card->info.mcl_level);
1427 static struct qeth_card *qeth_alloc_card(void)
1429 struct qeth_card *card;
1431 QETH_DBF_TEXT(SETUP, 2, "alloccrd");
1432 card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
1435 QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
1436 card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_KERNEL);
1437 if (!card->ip_tbd_list) {
1438 QETH_DBF_TEXT(SETUP, 0, "iptbdnom");
1441 if (qeth_setup_channel(&card->read))
1443 if (qeth_setup_channel(&card->write))
1445 card->options.layer2 = -1;
1446 card->qeth_service_level.seq_print = qeth_core_sl_print;
1447 register_service_level(&card->qeth_service_level);
1451 qeth_clean_channel(&card->read);
1453 kfree(card->ip_tbd_list);
1460 static int qeth_determine_card_type(struct qeth_card *card)
1464 QETH_DBF_TEXT(SETUP, 2, "detcdtyp");
1466 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
1467 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
1468 while (known_devices[i][QETH_DEV_MODEL_IND]) {
1469 if ((CARD_RDEV(card)->id.dev_type ==
1470 known_devices[i][QETH_DEV_TYPE_IND]) &&
1471 (CARD_RDEV(card)->id.dev_model ==
1472 known_devices[i][QETH_DEV_MODEL_IND])) {
1473 card->info.type = known_devices[i][QETH_DEV_MODEL_IND];
1474 card->qdio.no_out_queues =
1475 known_devices[i][QETH_QUEUE_NO_IND];
1476 card->qdio.no_in_queues = 1;
1477 card->info.is_multicast_different =
1478 known_devices[i][QETH_MULTICAST_IND];
1479 qeth_get_channel_path_desc(card);
1484 card->info.type = QETH_CARD_TYPE_UNKNOWN;
1485 dev_err(&card->gdev->dev, "The adapter hardware is of an "
1490 static int qeth_clear_channel(struct qeth_channel *channel)
1492 unsigned long flags;
1493 struct qeth_card *card;
1496 card = CARD_FROM_CDEV(channel->ccwdev);
1497 QETH_CARD_TEXT(card, 3, "clearch");
1498 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1499 rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
1500 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1504 rc = wait_event_interruptible_timeout(card->wait_q,
1505 channel->state == CH_STATE_STOPPED, QETH_TIMEOUT);
1506 if (rc == -ERESTARTSYS)
1508 if (channel->state != CH_STATE_STOPPED)
1510 channel->state = CH_STATE_DOWN;
1514 static int qeth_halt_channel(struct qeth_channel *channel)
1516 unsigned long flags;
1517 struct qeth_card *card;
1520 card = CARD_FROM_CDEV(channel->ccwdev);
1521 QETH_CARD_TEXT(card, 3, "haltch");
1522 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1523 rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM);
1524 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1528 rc = wait_event_interruptible_timeout(card->wait_q,
1529 channel->state == CH_STATE_HALTED, QETH_TIMEOUT);
1530 if (rc == -ERESTARTSYS)
1532 if (channel->state != CH_STATE_HALTED)
1537 static int qeth_halt_channels(struct qeth_card *card)
1539 int rc1 = 0, rc2 = 0, rc3 = 0;
1541 QETH_CARD_TEXT(card, 3, "haltchs");
1542 rc1 = qeth_halt_channel(&card->read);
1543 rc2 = qeth_halt_channel(&card->write);
1544 rc3 = qeth_halt_channel(&card->data);
1552 static int qeth_clear_channels(struct qeth_card *card)
1554 int rc1 = 0, rc2 = 0, rc3 = 0;
1556 QETH_CARD_TEXT(card, 3, "clearchs");
1557 rc1 = qeth_clear_channel(&card->read);
1558 rc2 = qeth_clear_channel(&card->write);
1559 rc3 = qeth_clear_channel(&card->data);
1567 static int qeth_clear_halt_card(struct qeth_card *card, int halt)
1571 QETH_CARD_TEXT(card, 3, "clhacrd");
1574 rc = qeth_halt_channels(card);
1577 return qeth_clear_channels(card);
1580 int qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
1584 QETH_CARD_TEXT(card, 3, "qdioclr");
1585 switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED,
1586 QETH_QDIO_CLEANING)) {
1587 case QETH_QDIO_ESTABLISHED:
1588 if (card->info.type == QETH_CARD_TYPE_IQD)
1589 rc = qdio_shutdown(CARD_DDEV(card),
1590 QDIO_FLAG_CLEANUP_USING_HALT);
1592 rc = qdio_shutdown(CARD_DDEV(card),
1593 QDIO_FLAG_CLEANUP_USING_CLEAR);
1595 QETH_CARD_TEXT_(card, 3, "1err%d", rc);
1596 qdio_free(CARD_DDEV(card));
1597 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
1599 case QETH_QDIO_CLEANING:
1604 rc = qeth_clear_halt_card(card, use_halt);
1606 QETH_CARD_TEXT_(card, 3, "2err%d", rc);
1607 card->state = CARD_STATE_DOWN;
1610 EXPORT_SYMBOL_GPL(qeth_qdio_clear_card);
1612 static int qeth_read_conf_data(struct qeth_card *card, void **buffer,
1618 struct qeth_channel *channel = &card->data;
1619 unsigned long flags;
1622 * scan for RCD command in extended SenseID data
1624 ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD);
1625 if (!ciw || ciw->cmd == 0)
1627 rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
1631 channel->ccw.cmd_code = ciw->cmd;
1632 channel->ccw.cda = (__u32) __pa(rcd_buf);
1633 channel->ccw.count = ciw->count;
1634 channel->ccw.flags = CCW_FLAG_SLI;
1635 channel->state = CH_STATE_RCD;
1636 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1637 ret = ccw_device_start_timeout(channel->ccwdev, &channel->ccw,
1638 QETH_RCD_PARM, LPM_ANYPATH, 0,
1640 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1642 wait_event(card->wait_q,
1643 (channel->state == CH_STATE_RCD_DONE ||
1644 channel->state == CH_STATE_DOWN));
1645 if (channel->state == CH_STATE_DOWN)
1648 channel->state = CH_STATE_DOWN;
1654 *length = ciw->count;
1660 static void qeth_configure_unitaddr(struct qeth_card *card, char *prcd)
1662 QETH_DBF_TEXT(SETUP, 2, "cfgunit");
1663 card->info.chpid = prcd[30];
1664 card->info.unit_addr2 = prcd[31];
1665 card->info.cula = prcd[63];
1666 card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
1667 (prcd[0x11] == _ascebc['M']));
1670 static void qeth_configure_blkt_default(struct qeth_card *card, char *prcd)
1672 QETH_DBF_TEXT(SETUP, 2, "cfgblkt");
1674 if (prcd[74] == 0xF0 && prcd[75] == 0xF0 && prcd[76] == 0xF5) {
1675 card->info.blkt.time_total = 250;
1676 card->info.blkt.inter_packet = 5;
1677 card->info.blkt.inter_packet_jumbo = 15;
1679 card->info.blkt.time_total = 0;
1680 card->info.blkt.inter_packet = 0;
1681 card->info.blkt.inter_packet_jumbo = 0;
1685 static void qeth_init_tokens(struct qeth_card *card)
1687 card->token.issuer_rm_w = 0x00010103UL;
1688 card->token.cm_filter_w = 0x00010108UL;
1689 card->token.cm_connection_w = 0x0001010aUL;
1690 card->token.ulp_filter_w = 0x0001010bUL;
1691 card->token.ulp_connection_w = 0x0001010dUL;
1694 static void qeth_init_func_level(struct qeth_card *card)
1696 switch (card->info.type) {
1697 case QETH_CARD_TYPE_IQD:
1698 card->info.func_level = QETH_IDX_FUNC_LEVEL_IQD;
1700 case QETH_CARD_TYPE_OSD:
1701 case QETH_CARD_TYPE_OSN:
1702 card->info.func_level = QETH_IDX_FUNC_LEVEL_OSD;
1709 static int qeth_idx_activate_get_answer(struct qeth_channel *channel,
1710 void (*idx_reply_cb)(struct qeth_channel *,
1711 struct qeth_cmd_buffer *))
1713 struct qeth_cmd_buffer *iob;
1714 unsigned long flags;
1716 struct qeth_card *card;
1718 QETH_DBF_TEXT(SETUP, 2, "idxanswr");
1719 card = CARD_FROM_CDEV(channel->ccwdev);
1720 iob = qeth_get_buffer(channel);
1721 iob->callback = idx_reply_cb;
1722 memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1));
1723 channel->ccw.count = QETH_BUFSIZE;
1724 channel->ccw.cda = (__u32) __pa(iob->data);
1726 wait_event(card->wait_q,
1727 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1728 QETH_DBF_TEXT(SETUP, 6, "noirqpnd");
1729 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1730 rc = ccw_device_start(channel->ccwdev,
1731 &channel->ccw, (addr_t) iob, 0, 0);
1732 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1735 QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc);
1736 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
1737 atomic_set(&channel->irq_pending, 0);
1738 wake_up(&card->wait_q);
1741 rc = wait_event_interruptible_timeout(card->wait_q,
1742 channel->state == CH_STATE_UP, QETH_TIMEOUT);
1743 if (rc == -ERESTARTSYS)
1745 if (channel->state != CH_STATE_UP) {
1747 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
1748 qeth_clear_cmd_buffers(channel);
1754 static int qeth_idx_activate_channel(struct qeth_channel *channel,
1755 void (*idx_reply_cb)(struct qeth_channel *,
1756 struct qeth_cmd_buffer *))
1758 struct qeth_card *card;
1759 struct qeth_cmd_buffer *iob;
1760 unsigned long flags;
1764 struct ccw_dev_id temp_devid;
1766 card = CARD_FROM_CDEV(channel->ccwdev);
1768 QETH_DBF_TEXT(SETUP, 2, "idxactch");
1770 iob = qeth_get_buffer(channel);
1771 iob->callback = idx_reply_cb;
1772 memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1));
1773 channel->ccw.count = IDX_ACTIVATE_SIZE;
1774 channel->ccw.cda = (__u32) __pa(iob->data);
1775 if (channel == &card->write) {
1776 memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE);
1777 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1778 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1779 card->seqno.trans_hdr++;
1781 memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE);
1782 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1783 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1785 tmp = ((__u8)card->info.portno) | 0x80;
1786 memcpy(QETH_IDX_ACT_PNO(iob->data), &tmp, 1);
1787 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1788 &card->token.issuer_rm_w, QETH_MPC_TOKEN_LENGTH);
1789 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
1790 &card->info.func_level, sizeof(__u16));
1791 ccw_device_get_id(CARD_DDEV(card), &temp_devid);
1792 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp_devid.devno, 2);
1793 temp = (card->info.cula << 8) + card->info.unit_addr2;
1794 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2);
1796 wait_event(card->wait_q,
1797 atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0);
1798 QETH_DBF_TEXT(SETUP, 6, "noirqpnd");
1799 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
1800 rc = ccw_device_start(channel->ccwdev,
1801 &channel->ccw, (addr_t) iob, 0, 0);
1802 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
1805 QETH_DBF_MESSAGE(2, "Error1 in activating channel. rc=%d\n",
1807 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
1808 atomic_set(&channel->irq_pending, 0);
1809 wake_up(&card->wait_q);
1812 rc = wait_event_interruptible_timeout(card->wait_q,
1813 channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT);
1814 if (rc == -ERESTARTSYS)
1816 if (channel->state != CH_STATE_ACTIVATING) {
1817 dev_warn(&channel->ccwdev->dev, "The qeth device driver"
1818 " failed to recover an error on the device\n");
1819 QETH_DBF_MESSAGE(2, "%s IDX activate timed out\n",
1820 dev_name(&channel->ccwdev->dev));
1821 QETH_DBF_TEXT_(SETUP, 2, "2err%d", -ETIME);
1822 qeth_clear_cmd_buffers(channel);
1825 return qeth_idx_activate_get_answer(channel, idx_reply_cb);
1828 static int qeth_peer_func_level(int level)
1830 if ((level & 0xff) == 8)
1831 return (level & 0xff) + 0x400;
1832 if (((level >> 8) & 3) == 1)
1833 return (level & 0xff) + 0x200;
1837 static void qeth_idx_write_cb(struct qeth_channel *channel,
1838 struct qeth_cmd_buffer *iob)
1840 struct qeth_card *card;
1843 QETH_DBF_TEXT(SETUP , 2, "idxwrcb");
1845 if (channel->state == CH_STATE_DOWN) {
1846 channel->state = CH_STATE_ACTIVATING;
1849 card = CARD_FROM_CDEV(channel->ccwdev);
1851 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1852 if (QETH_IDX_ACT_CAUSE_CODE(iob->data) == QETH_IDX_ACT_ERR_EXCL)
1853 dev_err(&card->write.ccwdev->dev,
1854 "The adapter is used exclusively by another "
1857 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel:"
1858 " negative reply\n",
1859 dev_name(&card->write.ccwdev->dev));
1862 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1863 if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) {
1864 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel: "
1865 "function level mismatch (sent: 0x%x, received: "
1866 "0x%x)\n", dev_name(&card->write.ccwdev->dev),
1867 card->info.func_level, temp);
1870 channel->state = CH_STATE_UP;
1872 qeth_release_buffer(channel, iob);
1875 static void qeth_idx_read_cb(struct qeth_channel *channel,
1876 struct qeth_cmd_buffer *iob)
1878 struct qeth_card *card;
1881 QETH_DBF_TEXT(SETUP , 2, "idxrdcb");
1882 if (channel->state == CH_STATE_DOWN) {
1883 channel->state = CH_STATE_ACTIVATING;
1887 card = CARD_FROM_CDEV(channel->ccwdev);
1888 if (qeth_check_idx_response(card, iob->data))
1891 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) {
1892 switch (QETH_IDX_ACT_CAUSE_CODE(iob->data)) {
1893 case QETH_IDX_ACT_ERR_EXCL:
1894 dev_err(&card->write.ccwdev->dev,
1895 "The adapter is used exclusively by another "
1898 case QETH_IDX_ACT_ERR_AUTH:
1899 case QETH_IDX_ACT_ERR_AUTH_USER:
1900 dev_err(&card->read.ccwdev->dev,
1901 "Setting the device online failed because of "
1902 "insufficient authorization\n");
1905 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel:"
1906 " negative reply\n",
1907 dev_name(&card->read.ccwdev->dev));
1909 QETH_CARD_TEXT_(card, 2, "idxread%c",
1910 QETH_IDX_ACT_CAUSE_CODE(iob->data));
1915 * * temporary fix for microcode bug
1916 * * to revert it,replace OR by AND
1918 if ((!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) ||
1919 (card->info.type == QETH_CARD_TYPE_OSD))
1920 card->info.portname_required = 1;
1922 memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2);
1923 if (temp != qeth_peer_func_level(card->info.func_level)) {
1924 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel: function "
1925 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1926 dev_name(&card->read.ccwdev->dev),
1927 card->info.func_level, temp);
1930 memcpy(&card->token.issuer_rm_r,
1931 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data),
1932 QETH_MPC_TOKEN_LENGTH);
1933 memcpy(&card->info.mcl_level[0],
1934 QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH);
1935 channel->state = CH_STATE_UP;
1937 qeth_release_buffer(channel, iob);
1940 void qeth_prepare_control_data(struct qeth_card *card, int len,
1941 struct qeth_cmd_buffer *iob)
1943 qeth_setup_ccw(&card->write, iob->data, len);
1944 iob->callback = qeth_release_buffer;
1946 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
1947 &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
1948 card->seqno.trans_hdr++;
1949 memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
1950 &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
1951 card->seqno.pdu_hdr++;
1952 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
1953 &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
1954 QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN);
1956 EXPORT_SYMBOL_GPL(qeth_prepare_control_data);
1958 int qeth_send_control_data(struct qeth_card *card, int len,
1959 struct qeth_cmd_buffer *iob,
1960 int (*reply_cb)(struct qeth_card *, struct qeth_reply *,
1965 unsigned long flags;
1966 struct qeth_reply *reply = NULL;
1967 unsigned long timeout, event_timeout;
1968 struct qeth_ipa_cmd *cmd;
1970 QETH_CARD_TEXT(card, 2, "sendctl");
1972 if (card->read_or_write_problem) {
1973 qeth_release_buffer(iob->channel, iob);
1976 reply = qeth_alloc_reply(card);
1980 reply->callback = reply_cb;
1981 reply->param = reply_param;
1982 if (card->state == CARD_STATE_DOWN)
1983 reply->seqno = QETH_IDX_COMMAND_SEQNO;
1985 reply->seqno = card->seqno.ipa++;
1986 init_waitqueue_head(&reply->wait_q);
1987 spin_lock_irqsave(&card->lock, flags);
1988 list_add_tail(&reply->list, &card->cmd_waiter_list);
1989 spin_unlock_irqrestore(&card->lock, flags);
1990 QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN);
1992 while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ;
1993 qeth_prepare_control_data(card, len, iob);
1995 if (IS_IPA(iob->data))
1996 event_timeout = QETH_IPA_TIMEOUT;
1998 event_timeout = QETH_TIMEOUT;
1999 timeout = jiffies + event_timeout;
2001 QETH_CARD_TEXT(card, 6, "noirqpnd");
2002 spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
2003 rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
2004 (addr_t) iob, 0, 0);
2005 spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
2007 QETH_DBF_MESSAGE(2, "%s qeth_send_control_data: "
2008 "ccw_device_start rc = %i\n",
2009 dev_name(&card->write.ccwdev->dev), rc);
2010 QETH_CARD_TEXT_(card, 2, " err%d", rc);
2011 spin_lock_irqsave(&card->lock, flags);
2012 list_del_init(&reply->list);
2013 qeth_put_reply(reply);
2014 spin_unlock_irqrestore(&card->lock, flags);
2015 qeth_release_buffer(iob->channel, iob);
2016 atomic_set(&card->write.irq_pending, 0);
2017 wake_up(&card->wait_q);
2021 /* we have only one long running ipassist, since we can ensure
2022 process context of this command we can sleep */
2023 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2024 if ((cmd->hdr.command == IPA_CMD_SETIP) &&
2025 (cmd->hdr.prot_version == QETH_PROT_IPV4)) {
2026 if (!wait_event_timeout(reply->wait_q,
2027 atomic_read(&reply->received), event_timeout))
2030 while (!atomic_read(&reply->received)) {
2031 if (time_after(jiffies, timeout))
2037 if (reply->rc == -EIO)
2040 qeth_put_reply(reply);
2045 spin_lock_irqsave(&reply->card->lock, flags);
2046 list_del_init(&reply->list);
2047 spin_unlock_irqrestore(&reply->card->lock, flags);
2048 atomic_inc(&reply->received);
2050 atomic_set(&card->write.irq_pending, 0);
2051 qeth_release_buffer(iob->channel, iob);
2052 card->write.buf_no = (card->write.buf_no + 1) % QETH_CMD_BUFFER_NO;
2054 qeth_put_reply(reply);
2057 EXPORT_SYMBOL_GPL(qeth_send_control_data);
2059 static int qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2062 struct qeth_cmd_buffer *iob;
2064 QETH_DBF_TEXT(SETUP, 2, "cmenblcb");
2066 iob = (struct qeth_cmd_buffer *) data;
2067 memcpy(&card->token.cm_filter_r,
2068 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
2069 QETH_MPC_TOKEN_LENGTH);
2070 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2074 static int qeth_cm_enable(struct qeth_card *card)
2077 struct qeth_cmd_buffer *iob;
2079 QETH_DBF_TEXT(SETUP, 2, "cmenable");
2081 iob = qeth_wait_for_buffer(&card->write);
2082 memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
2083 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
2084 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2085 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
2086 &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
2088 rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
2089 qeth_cm_enable_cb, NULL);
2093 static int qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2097 struct qeth_cmd_buffer *iob;
2099 QETH_DBF_TEXT(SETUP, 2, "cmsetpcb");
2101 iob = (struct qeth_cmd_buffer *) data;
2102 memcpy(&card->token.cm_connection_r,
2103 QETH_CM_SETUP_RESP_DEST_ADDR(iob->data),
2104 QETH_MPC_TOKEN_LENGTH);
2105 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2109 static int qeth_cm_setup(struct qeth_card *card)
2112 struct qeth_cmd_buffer *iob;
2114 QETH_DBF_TEXT(SETUP, 2, "cmsetup");
2116 iob = qeth_wait_for_buffer(&card->write);
2117 memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
2118 memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
2119 &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
2120 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
2121 &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
2122 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
2123 &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
2124 rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
2125 qeth_cm_setup_cb, NULL);
2130 static inline int qeth_get_initial_mtu_for_card(struct qeth_card *card)
2132 switch (card->info.type) {
2133 case QETH_CARD_TYPE_UNKNOWN:
2135 case QETH_CARD_TYPE_IQD:
2136 return card->info.max_mtu;
2137 case QETH_CARD_TYPE_OSD:
2138 switch (card->info.link_type) {
2139 case QETH_LINK_TYPE_HSTR:
2140 case QETH_LINK_TYPE_LANE_TR:
2145 case QETH_CARD_TYPE_OSM:
2146 case QETH_CARD_TYPE_OSX:
2153 static inline int qeth_get_mtu_outof_framesize(int framesize)
2155 switch (framesize) {
2169 static inline int qeth_mtu_is_valid(struct qeth_card *card, int mtu)
2171 switch (card->info.type) {
2172 case QETH_CARD_TYPE_OSD:
2173 case QETH_CARD_TYPE_OSM:
2174 case QETH_CARD_TYPE_OSX:
2175 case QETH_CARD_TYPE_IQD:
2176 return ((mtu >= 576) &&
2177 (mtu <= card->info.max_mtu));
2178 case QETH_CARD_TYPE_OSN:
2179 case QETH_CARD_TYPE_UNKNOWN:
2185 static int qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
2189 __u16 mtu, framesize;
2192 struct qeth_cmd_buffer *iob;
2194 QETH_DBF_TEXT(SETUP, 2, "ulpenacb");
2196 iob = (struct qeth_cmd_buffer *) data;
2197 memcpy(&card->token.ulp_filter_r,
2198 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
2199 QETH_MPC_TOKEN_LENGTH);
2200 if (card->info.type == QETH_CARD_TYPE_IQD) {
2201 memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
2202 mtu = qeth_get_mtu_outof_framesize(framesize);
2205 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2208 if (card->info.initial_mtu && (card->info.initial_mtu != mtu)) {
2209 /* frame size has changed */
2211 ((card->dev->mtu == card->info.initial_mtu) ||
2212 (card->dev->mtu > mtu)))
2213 card->dev->mtu = mtu;
2214 qeth_free_qdio_buffers(card);
2216 card->info.initial_mtu = mtu;
2217 card->info.max_mtu = mtu;
2218 card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE;
2220 card->info.initial_mtu = qeth_get_initial_mtu_for_card(card);
2221 card->info.max_mtu = *(__u16 *)QETH_ULP_ENABLE_RESP_MAX_MTU(
2223 card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
2226 memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2);
2227 if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) {
2229 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1);
2230 card->info.link_type = link_type;
2232 card->info.link_type = 0;
2233 QETH_DBF_TEXT_(SETUP, 2, "link%d", card->info.link_type);
2234 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2238 static int qeth_ulp_enable(struct qeth_card *card)
2242 struct qeth_cmd_buffer *iob;
2244 /*FIXME: trace view callbacks*/
2245 QETH_DBF_TEXT(SETUP, 2, "ulpenabl");
2247 iob = qeth_wait_for_buffer(&card->write);
2248 memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE);
2250 *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
2251 (__u8) card->info.portno;
2252 if (card->options.layer2)
2253 if (card->info.type == QETH_CARD_TYPE_OSN)
2254 prot_type = QETH_PROT_OSN2;
2256 prot_type = QETH_PROT_LAYER2;
2258 prot_type = QETH_PROT_TCPIP;
2260 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data), &prot_type, 1);
2261 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
2262 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2263 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
2264 &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH);
2265 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data),
2266 card->info.portname, 9);
2267 rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob,
2268 qeth_ulp_enable_cb, NULL);
2273 static int qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
2276 struct qeth_cmd_buffer *iob;
2279 QETH_DBF_TEXT(SETUP, 2, "ulpstpcb");
2281 iob = (struct qeth_cmd_buffer *) data;
2282 memcpy(&card->token.ulp_connection_r,
2283 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2284 QETH_MPC_TOKEN_LENGTH);
2285 if (!strncmp("00S", QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data),
2287 QETH_DBF_TEXT(SETUP, 2, "olmlimit");
2288 dev_err(&card->gdev->dev, "A connection could not be "
2289 "established because of an OLM limit\n");
2292 QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
2296 static int qeth_ulp_setup(struct qeth_card *card)
2300 struct qeth_cmd_buffer *iob;
2301 struct ccw_dev_id dev_id;
2303 QETH_DBF_TEXT(SETUP, 2, "ulpsetup");
2305 iob = qeth_wait_for_buffer(&card->write);
2306 memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE);
2308 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data),
2309 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2310 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data),
2311 &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH);
2312 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
2313 &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
2315 ccw_device_get_id(CARD_DDEV(card), &dev_id);
2316 memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2);
2317 temp = (card->info.cula << 8) + card->info.unit_addr2;
2318 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
2319 rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,
2320 qeth_ulp_setup_cb, NULL);
2324 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *q, int bidx)
2327 struct qeth_qdio_out_buffer *newbuf;
2330 newbuf = kmem_cache_zalloc(qeth_qdio_outbuf_cache, GFP_ATOMIC);
2335 newbuf->buffer = &q->qdio_bufs[bidx];
2336 skb_queue_head_init(&newbuf->skb_list);
2337 lockdep_set_class(&newbuf->skb_list.lock, &qdio_out_skb_queue_key);
2340 newbuf->next_pending = q->bufs[bidx];
2341 atomic_set(&newbuf->state, QETH_QDIO_BUF_EMPTY);
2342 q->bufs[bidx] = newbuf;
2344 q->bufstates[bidx].user = newbuf;
2345 QETH_CARD_TEXT_(q->card, 2, "nbs%d", bidx);
2346 QETH_CARD_TEXT_(q->card, 2, "%lx", (long) newbuf);
2347 QETH_CARD_TEXT_(q->card, 2, "%lx",
2348 (long) newbuf->next_pending);
2355 static int qeth_alloc_qdio_buffers(struct qeth_card *card)
2359 QETH_DBF_TEXT(SETUP, 2, "allcqdbf");
2361 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
2362 QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
2365 card->qdio.in_q = kzalloc(sizeof(struct qeth_qdio_q),
2367 if (!card->qdio.in_q)
2369 QETH_DBF_TEXT(SETUP, 2, "inq");
2370 QETH_DBF_HEX(SETUP, 2, &card->qdio.in_q, sizeof(void *));
2371 memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
2372 /* give inbound qeth_qdio_buffers their qdio_buffers */
2373 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
2374 card->qdio.in_q->bufs[i].buffer =
2375 &card->qdio.in_q->qdio_bufs[i];
2376 card->qdio.in_q->bufs[i].rx_skb = NULL;
2378 /* inbound buffer pool */
2379 if (qeth_alloc_buffer_pool(card))
2384 kzalloc(card->qdio.no_out_queues *
2385 sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
2386 if (!card->qdio.out_qs)
2388 for (i = 0; i < card->qdio.no_out_queues; ++i) {
2389 card->qdio.out_qs[i] = kzalloc(sizeof(struct qeth_qdio_out_q),
2391 if (!card->qdio.out_qs[i])
2393 QETH_DBF_TEXT_(SETUP, 2, "outq %i", i);
2394 QETH_DBF_HEX(SETUP, 2, &card->qdio.out_qs[i], sizeof(void *));
2395 card->qdio.out_qs[i]->queue_no = i;
2396 /* give outbound qeth_qdio_buffers their qdio_buffers */
2397 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
2398 BUG_ON(card->qdio.out_qs[i]->bufs[j] != NULL);
2399 if (qeth_init_qdio_out_buf(card->qdio.out_qs[i], j))
2400 goto out_freeoutqbufs;
2405 if (qeth_alloc_cq(card))
2413 kmem_cache_free(qeth_qdio_outbuf_cache,
2414 card->qdio.out_qs[i]->bufs[j]);
2415 card->qdio.out_qs[i]->bufs[j] = NULL;
2419 kfree(card->qdio.out_qs[--i]);
2420 qeth_clear_outq_buffers(card->qdio.out_qs[i], 1);
2422 kfree(card->qdio.out_qs);
2423 card->qdio.out_qs = NULL;
2425 qeth_free_buffer_pool(card);
2427 kfree(card->qdio.in_q);
2428 card->qdio.in_q = NULL;
2430 atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
2434 static void qeth_create_qib_param_field(struct qeth_card *card,
2438 param_field[0] = _ascebc['P'];
2439 param_field[1] = _ascebc['C'];
2440 param_field[2] = _ascebc['I'];
2441 param_field[3] = _ascebc['T'];
2442 *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card);
2443 *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card);
2444 *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card);
2447 static void qeth_create_qib_param_field_blkt(struct qeth_card *card,
2450 param_field[16] = _ascebc['B'];
2451 param_field[17] = _ascebc['L'];
2452 param_field[18] = _ascebc['K'];
2453 param_field[19] = _ascebc['T'];
2454 *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total;
2455 *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet;
2456 *((unsigned int *) (¶m_field[28])) =
2457 card->info.blkt.inter_packet_jumbo;
2460 static int qeth_qdio_activate(struct qeth_card *card)
2462 QETH_DBF_TEXT(SETUP, 3, "qdioact");
2463 return qdio_activate(CARD_DDEV(card));
2466 static int qeth_dm_act(struct qeth_card *card)
2469 struct qeth_cmd_buffer *iob;
2471 QETH_DBF_TEXT(SETUP, 2, "dmact");
2473 iob = qeth_wait_for_buffer(&card->write);
2474 memcpy(iob->data, DM_ACT, DM_ACT_SIZE);
2476 memcpy(QETH_DM_ACT_DEST_ADDR(iob->data),
2477 &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
2478 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data),
2479 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
2480 rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL);
2484 static int qeth_mpc_initialize(struct qeth_card *card)
2488 QETH_DBF_TEXT(SETUP, 2, "mpcinit");
2490 rc = qeth_issue_next_read(card);
2492 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
2495 rc = qeth_cm_enable(card);
2497 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
2500 rc = qeth_cm_setup(card);
2502 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
2505 rc = qeth_ulp_enable(card);
2507 QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
2510 rc = qeth_ulp_setup(card);
2512 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
2515 rc = qeth_alloc_qdio_buffers(card);
2517 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
2520 rc = qeth_qdio_establish(card);
2522 QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
2523 qeth_free_qdio_buffers(card);
2526 rc = qeth_qdio_activate(card);
2528 QETH_DBF_TEXT_(SETUP, 2, "7err%d", rc);
2531 rc = qeth_dm_act(card);
2533 QETH_DBF_TEXT_(SETUP, 2, "8err%d", rc);
2539 qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
2543 static void qeth_print_status_with_portname(struct qeth_card *card)
2548 sprintf(dbf_text, "%s", card->info.portname + 1);
2549 for (i = 0; i < 8; i++)
2551 (char) _ebcasc[(__u8) dbf_text[i]];
2553 dev_info(&card->gdev->dev, "Device is a%s card%s%s%s\n"
2554 "with link type %s (portname: %s)\n",
2555 qeth_get_cardname(card),
2556 (card->info.mcl_level[0]) ? " (level: " : "",
2557 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
2558 (card->info.mcl_level[0]) ? ")" : "",
2559 qeth_get_cardname_short(card),
2564 static void qeth_print_status_no_portname(struct qeth_card *card)
2566 if (card->info.portname[0])
2567 dev_info(&card->gdev->dev, "Device is a%s "
2568 "card%s%s%s\nwith link type %s "
2569 "(no portname needed by interface).\n",
2570 qeth_get_cardname(card),
2571 (card->info.mcl_level[0]) ? " (level: " : "",
2572 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
2573 (card->info.mcl_level[0]) ? ")" : "",
2574 qeth_get_cardname_short(card));
2576 dev_info(&card->gdev->dev, "Device is a%s "
2577 "card%s%s%s\nwith link type %s.\n",
2578 qeth_get_cardname(card),
2579 (card->info.mcl_level[0]) ? " (level: " : "",
2580 (card->info.mcl_level[0]) ? card->info.mcl_level : "",
2581 (card->info.mcl_level[0]) ? ")" : "",
2582 qeth_get_cardname_short(card));
2585 void qeth_print_status_message(struct qeth_card *card)
2587 switch (card->info.type) {
2588 case QETH_CARD_TYPE_OSD:
2589 case QETH_CARD_TYPE_OSM:
2590 case QETH_CARD_TYPE_OSX:
2591 /* VM will use a non-zero first character
2592 * to indicate a HiperSockets like reporting
2593 * of the level OSA sets the first character to zero
2595 if (!card->info.mcl_level[0]) {
2596 sprintf(card->info.mcl_level, "%02x%02x",
2597 card->info.mcl_level[2],
2598 card->info.mcl_level[3]);
2600 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
2604 case QETH_CARD_TYPE_IQD:
2605 if ((card->info.guestlan) ||
2606 (card->info.mcl_level[0] & 0x80)) {
2607 card->info.mcl_level[0] = (char) _ebcasc[(__u8)
2608 card->info.mcl_level[0]];
2609 card->info.mcl_level[1] = (char) _ebcasc[(__u8)
2610 card->info.mcl_level[1]];
2611 card->info.mcl_level[2] = (char) _ebcasc[(__u8)
2612 card->info.mcl_level[2]];
2613 card->info.mcl_level[3] = (char) _ebcasc[(__u8)
2614 card->info.mcl_level[3]];
2615 card->info.mcl_level[QETH_MCL_LENGTH] = 0;
2619 memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1);
2621 if (card->info.portname_required)
2622 qeth_print_status_with_portname(card);
2624 qeth_print_status_no_portname(card);
2626 EXPORT_SYMBOL_GPL(qeth_print_status_message);
2628 static void qeth_initialize_working_pool_list(struct qeth_card *card)
2630 struct qeth_buffer_pool_entry *entry;
2632 QETH_CARD_TEXT(card, 5, "inwrklst");
2634 list_for_each_entry(entry,
2635 &card->qdio.init_pool.entry_list, init_list) {
2636 qeth_put_buffer_pool_entry(card, entry);
2640 static inline struct qeth_buffer_pool_entry *qeth_find_free_buffer_pool_entry(
2641 struct qeth_card *card)
2643 struct list_head *plh;
2644 struct qeth_buffer_pool_entry *entry;
2648 if (list_empty(&card->qdio.in_buf_pool.entry_list))
2651 list_for_each(plh, &card->qdio.in_buf_pool.entry_list) {
2652 entry = list_entry(plh, struct qeth_buffer_pool_entry, list);
2654 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2655 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2661 list_del_init(&entry->list);
2666 /* no free buffer in pool so take first one and swap pages */
2667 entry = list_entry(card->qdio.in_buf_pool.entry_list.next,
2668 struct qeth_buffer_pool_entry, list);
2669 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2670 if (page_count(virt_to_page(entry->elements[i])) > 1) {
2671 page = alloc_page(GFP_ATOMIC);
2675 free_page((unsigned long)entry->elements[i]);
2676 entry->elements[i] = page_address(page);
2677 if (card->options.performance_stats)
2678 card->perf_stats.sg_alloc_page_rx++;
2682 list_del_init(&entry->list);
2686 static int qeth_init_input_buffer(struct qeth_card *card,
2687 struct qeth_qdio_buffer *buf)
2689 struct qeth_buffer_pool_entry *pool_entry;
2692 if ((card->options.cq == QETH_CQ_ENABLED) && (!buf->rx_skb)) {
2693 buf->rx_skb = dev_alloc_skb(QETH_RX_PULL_LEN + ETH_HLEN);
2698 pool_entry = qeth_find_free_buffer_pool_entry(card);
2703 * since the buffer is accessed only from the input_tasklet
2704 * there shouldn't be a need to synchronize; also, since we use
2705 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2709 buf->pool_entry = pool_entry;
2710 for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
2711 buf->buffer->element[i].length = PAGE_SIZE;
2712 buf->buffer->element[i].addr = pool_entry->elements[i];
2713 if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
2714 buf->buffer->element[i].eflags = SBAL_EFLAGS_LAST_ENTRY;
2716 buf->buffer->element[i].eflags = 0;
2717 buf->buffer->element[i].sflags = 0;
2722 int qeth_init_qdio_queues(struct qeth_card *card)
2727 QETH_DBF_TEXT(SETUP, 2, "initqdqs");
2730 memset(card->qdio.in_q->qdio_bufs, 0,
2731 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
2732 qeth_initialize_working_pool_list(card);
2733 /*give only as many buffers to hardware as we have buffer pool entries*/
2734 for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i)
2735 qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]);
2736 card->qdio.in_q->next_buf_to_init =
2737 card->qdio.in_buf_pool.buf_count - 1;
2738 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0,
2739 card->qdio.in_buf_pool.buf_count - 1);
2741 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
2746 rc = qeth_cq_init(card);
2751 /* outbound queue */
2752 for (i = 0; i < card->qdio.no_out_queues; ++i) {
2753 memset(card->qdio.out_qs[i]->qdio_bufs, 0,
2754 QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer));
2755 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
2756 qeth_clear_output_buffer(card->qdio.out_qs[i],
2757 card->qdio.out_qs[i]->bufs[j],
2758 QETH_QDIO_BUF_EMPTY);
2760 card->qdio.out_qs[i]->card = card;
2761 card->qdio.out_qs[i]->next_buf_to_fill = 0;
2762 card->qdio.out_qs[i]->do_pack = 0;
2763 atomic_set(&card->qdio.out_qs[i]->used_buffers, 0);
2764 atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
2765 atomic_set(&card->qdio.out_qs[i]->state,
2766 QETH_OUT_Q_UNLOCKED);
2770 EXPORT_SYMBOL_GPL(qeth_init_qdio_queues);
2772 static inline __u8 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
2774 switch (link_type) {
2775 case QETH_LINK_TYPE_HSTR:
2782 static void qeth_fill_ipacmd_header(struct qeth_card *card,
2783 struct qeth_ipa_cmd *cmd, __u8 command,
2784 enum qeth_prot_versions prot)
2786 memset(cmd, 0, sizeof(struct qeth_ipa_cmd));
2787 cmd->hdr.command = command;
2788 cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST;
2789 cmd->hdr.seqno = card->seqno.ipa;
2790 cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
2791 cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
2792 if (card->options.layer2)
2793 cmd->hdr.prim_version_no = 2;
2795 cmd->hdr.prim_version_no = 1;
2796 cmd->hdr.param_count = 1;
2797 cmd->hdr.prot_version = prot;
2798 cmd->hdr.ipa_supported = 0;
2799 cmd->hdr.ipa_enabled = 0;
2802 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *card,
2803 enum qeth_ipa_cmds ipacmd, enum qeth_prot_versions prot)
2805 struct qeth_cmd_buffer *iob;
2806 struct qeth_ipa_cmd *cmd;
2808 iob = qeth_wait_for_buffer(&card->write);
2809 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2810 qeth_fill_ipacmd_header(card, cmd, ipacmd, prot);
2814 EXPORT_SYMBOL_GPL(qeth_get_ipacmd_buffer);
2816 void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
2819 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
2820 memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data), &prot_type, 1);
2821 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
2822 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
2824 EXPORT_SYMBOL_GPL(qeth_prepare_ipa_cmd);
2826 int qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
2827 int (*reply_cb)(struct qeth_card *, struct qeth_reply*,
2834 QETH_CARD_TEXT(card, 4, "sendipa");
2836 if (card->options.layer2)
2837 if (card->info.type == QETH_CARD_TYPE_OSN)
2838 prot_type = QETH_PROT_OSN2;
2840 prot_type = QETH_PROT_LAYER2;
2842 prot_type = QETH_PROT_TCPIP;
2843 qeth_prepare_ipa_cmd(card, iob, prot_type);
2844 rc = qeth_send_control_data(card, IPA_CMD_LENGTH,
2845 iob, reply_cb, reply_param);
2847 qeth_clear_ipacmd_list(card);
2848 qeth_schedule_recovery(card);
2852 EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd);
2854 int qeth_send_startlan(struct qeth_card *card)
2857 struct qeth_cmd_buffer *iob;
2859 QETH_DBF_TEXT(SETUP, 2, "strtlan");
2861 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_STARTLAN, 0);
2862 rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
2865 EXPORT_SYMBOL_GPL(qeth_send_startlan);
2867 int qeth_default_setadapterparms_cb(struct qeth_card *card,
2868 struct qeth_reply *reply, unsigned long data)
2870 struct qeth_ipa_cmd *cmd;
2872 QETH_CARD_TEXT(card, 4, "defadpcb");
2874 cmd = (struct qeth_ipa_cmd *) data;
2875 if (cmd->hdr.return_code == 0)
2876 cmd->hdr.return_code =
2877 cmd->data.setadapterparms.hdr.return_code;
2880 EXPORT_SYMBOL_GPL(qeth_default_setadapterparms_cb);
2882 static int qeth_query_setadapterparms_cb(struct qeth_card *card,
2883 struct qeth_reply *reply, unsigned long data)
2885 struct qeth_ipa_cmd *cmd;
2887 QETH_CARD_TEXT(card, 3, "quyadpcb");
2889 cmd = (struct qeth_ipa_cmd *) data;
2890 if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) {
2891 card->info.link_type =
2892 cmd->data.setadapterparms.data.query_cmds_supp.lan_type;
2893 QETH_DBF_TEXT_(SETUP, 2, "lnk %d", card->info.link_type);
2895 card->options.adp.supported_funcs =
2896 cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds;
2897 return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
2900 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card,
2901 __u32 command, __u32 cmdlen)
2903 struct qeth_cmd_buffer *iob;
2904 struct qeth_ipa_cmd *cmd;
2906 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETADAPTERPARMS,
2908 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2909 cmd->data.setadapterparms.hdr.cmdlength = cmdlen;
2910 cmd->data.setadapterparms.hdr.command_code = command;
2911 cmd->data.setadapterparms.hdr.used_total = 1;
2912 cmd->data.setadapterparms.hdr.seq_no = 1;
2916 EXPORT_SYMBOL_GPL(qeth_get_adapter_cmd);
2918 int qeth_query_setadapterparms(struct qeth_card *card)
2921 struct qeth_cmd_buffer *iob;
2923 QETH_CARD_TEXT(card, 3, "queryadp");
2924 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED,
2925 sizeof(struct qeth_ipacmd_setadpparms));
2926 rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL);
2929 EXPORT_SYMBOL_GPL(qeth_query_setadapterparms);
2931 static int qeth_query_ipassists_cb(struct qeth_card *card,
2932 struct qeth_reply *reply, unsigned long data)
2934 struct qeth_ipa_cmd *cmd;
2936 QETH_DBF_TEXT(SETUP, 2, "qipasscb");
2938 cmd = (struct qeth_ipa_cmd *) data;
2939 if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
2940 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
2941 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
2943 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
2944 card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
2946 QETH_DBF_TEXT(SETUP, 2, "suppenbl");
2947 QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_supported);
2948 QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_enabled);
2952 int qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
2955 struct qeth_cmd_buffer *iob;
2957 QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot);
2958 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot);
2959 rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
2962 EXPORT_SYMBOL_GPL(qeth_query_ipassists);
2964 static int qeth_query_setdiagass_cb(struct qeth_card *card,
2965 struct qeth_reply *reply, unsigned long data)
2967 struct qeth_ipa_cmd *cmd;
2970 cmd = (struct qeth_ipa_cmd *)data;
2971 rc = cmd->hdr.return_code;
2973 QETH_CARD_TEXT_(card, 2, "diagq:%x", rc);
2975 card->info.diagass_support = cmd->data.diagass.ext;
2979 static int qeth_query_setdiagass(struct qeth_card *card)
2981 struct qeth_cmd_buffer *iob;
2982 struct qeth_ipa_cmd *cmd;
2984 QETH_DBF_TEXT(SETUP, 2, "qdiagass");
2985 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
2986 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
2987 cmd->data.diagass.subcmd_len = 16;
2988 cmd->data.diagass.subcmd = QETH_DIAGS_CMD_QUERY;
2989 return qeth_send_ipa_cmd(card, iob, qeth_query_setdiagass_cb, NULL);
2992 static void qeth_get_trap_id(struct qeth_card *card, struct qeth_trap_id *tid)
2994 unsigned long info = get_zeroed_page(GFP_KERNEL);
2995 struct sysinfo_2_2_2 *info222 = (struct sysinfo_2_2_2 *)info;
2996 struct sysinfo_3_2_2 *info322 = (struct sysinfo_3_2_2 *)info;
2997 struct ccw_dev_id ccwid;
3000 tid->chpid = card->info.chpid;
3001 ccw_device_get_id(CARD_RDEV(card), &ccwid);
3002 tid->ssid = ccwid.ssid;
3003 tid->devno = ccwid.devno;
3007 rc = stsi(NULL, 0, 0, 0);
3011 level = (((unsigned int) rc) >> 28);
3013 if ((level >= 2) && (stsi(info222, 2, 2, 2) != -ENOSYS))
3014 tid->lparnr = info222->lpar_number;
3016 if ((level >= 3) && (stsi(info322, 3, 2, 2) != -ENOSYS)) {
3017 EBCASC(info322->vm[0].name, sizeof(info322->vm[0].name));
3018 memcpy(tid->vmname, info322->vm[0].name, sizeof(tid->vmname));
3024 static int qeth_hw_trap_cb(struct qeth_card *card,
3025 struct qeth_reply *reply, unsigned long data)
3027 struct qeth_ipa_cmd *cmd;
3030 cmd = (struct qeth_ipa_cmd *)data;
3031 rc = cmd->hdr.return_code;
3033 QETH_CARD_TEXT_(card, 2, "trapc:%x", rc);
3037 int qeth_hw_trap(struct qeth_card *card, enum qeth_diags_trap_action action)
3039 struct qeth_cmd_buffer *iob;
3040 struct qeth_ipa_cmd *cmd;
3042 QETH_DBF_TEXT(SETUP, 2, "diagtrap");
3043 iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
3044 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
3045 cmd->data.diagass.subcmd_len = 80;
3046 cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRAP;
3047 cmd->data.diagass.type = 1;
3048 cmd->data.diagass.action = action;
3050 case QETH_DIAGS_TRAP_ARM:
3051 cmd->data.diagass.options = 0x0003;
3052 cmd->data.diagass.ext = 0x00010000 +
3053 sizeof(struct qeth_trap_id);
3054 qeth_get_trap_id(card,
3055 (struct qeth_trap_id *)cmd->data.diagass.cdata);
3057 case QETH_DIAGS_TRAP_DISARM:
3058 cmd->data.diagass.options = 0x0001;
3060 case QETH_DIAGS_TRAP_CAPTURE:
3063 return qeth_send_ipa_cmd(card, iob, qeth_hw_trap_cb, NULL);
3065 EXPORT_SYMBOL_GPL(qeth_hw_trap);
3067 int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf,
3068 unsigned int qdio_error, const char *dbftext)
3071 QETH_CARD_TEXT(card, 2, dbftext);
3072 QETH_CARD_TEXT_(card, 2, " F15=%02X",
3073 buf->element[15].sflags);
3074 QETH_CARD_TEXT_(card, 2, " F14=%02X",
3075 buf->element[14].sflags);
3076 QETH_CARD_TEXT_(card, 2, " qerr=%X", qdio_error);
3077 if ((buf->element[15].sflags) == 0x12) {
3078 card->stats.rx_dropped++;
3085 EXPORT_SYMBOL_GPL(qeth_check_qdio_errors);
3087 void qeth_buffer_reclaim_work(struct work_struct *work)
3089 struct qeth_card *card = container_of(work, struct qeth_card,
3090 buffer_reclaim_work.work);
3092 QETH_CARD_TEXT_(card, 2, "brw:%x", card->reclaim_index);
3093 qeth_queue_input_buffer(card, card->reclaim_index);
3096 void qeth_queue_input_buffer(struct qeth_card *card, int index)
3098 struct qeth_qdio_q *queue = card->qdio.in_q;
3099 struct list_head *lh;
3105 count = (index < queue->next_buf_to_init)?
3106 card->qdio.in_buf_pool.buf_count -
3107 (queue->next_buf_to_init - index) :
3108 card->qdio.in_buf_pool.buf_count -
3109 (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index);
3110 /* only requeue at a certain threshold to avoid SIGAs */
3111 if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)) {
3112 for (i = queue->next_buf_to_init;
3113 i < queue->next_buf_to_init + count; ++i) {
3114 if (qeth_init_input_buffer(card,
3115 &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) {
3122 if (newcount < count) {
3123 /* we are in memory shortage so we switch back to
3124 traditional skb allocation and drop packages */
3125 atomic_set(&card->force_alloc_skb, 3);
3128 atomic_add_unless(&card->force_alloc_skb, -1, 0);
3133 list_for_each(lh, &card->qdio.in_buf_pool.entry_list)
3135 if (i == card->qdio.in_buf_pool.buf_count) {
3136 QETH_CARD_TEXT(card, 2, "qsarbw");
3137 card->reclaim_index = index;
3138 schedule_delayed_work(
3139 &card->buffer_reclaim_work,
3140 QETH_RECLAIM_WORK_TIME);
3146 * according to old code it should be avoided to requeue all
3147 * 128 buffers in order to benefit from PCI avoidance.
3148 * this function keeps at least one buffer (the buffer at
3149 * 'index') un-requeued -> this buffer is the first buffer that
3150 * will be requeued the next time
3152 if (card->options.performance_stats) {
3153 card->perf_stats.inbound_do_qdio_cnt++;
3154 card->perf_stats.inbound_do_qdio_start_time =
3157 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0,
3158 queue->next_buf_to_init, count);
3159 if (card->options.performance_stats)
3160 card->perf_stats.inbound_do_qdio_time +=
3162 card->perf_stats.inbound_do_qdio_start_time;
3164 QETH_CARD_TEXT(card, 2, "qinberr");
3166 queue->next_buf_to_init = (queue->next_buf_to_init + count) %
3167 QDIO_MAX_BUFFERS_PER_Q;
3170 EXPORT_SYMBOL_GPL(qeth_queue_input_buffer);
3172 static int qeth_handle_send_error(struct qeth_card *card,
3173 struct qeth_qdio_out_buffer *buffer, unsigned int qdio_err)
3175 int sbalf15 = buffer->buffer->element[15].sflags;
3177 QETH_CARD_TEXT(card, 6, "hdsnderr");
3178 if (card->info.type == QETH_CARD_TYPE_IQD) {
3185 qeth_check_qdio_errors(card, buffer->buffer, qdio_err, "qouterr");
3188 return QETH_SEND_ERROR_NONE;
3190 if ((sbalf15 >= 15) && (sbalf15 <= 31))
3191 return QETH_SEND_ERROR_RETRY;
3193 QETH_CARD_TEXT(card, 1, "lnkfail");
3194 QETH_CARD_TEXT_(card, 1, "%04x %02x",
3195 (u16)qdio_err, (u8)sbalf15);
3196 return QETH_SEND_ERROR_LINK_FAILURE;
3200 * Switched to packing state if the number of used buffers on a queue
3201 * reaches a certain limit.
3203 static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
3205 if (!queue->do_pack) {
3206 if (atomic_read(&queue->used_buffers)
3207 >= QETH_HIGH_WATERMARK_PACK){
3208 /* switch non-PACKING -> PACKING */
3209 QETH_CARD_TEXT(queue->card, 6, "np->pack");
3210 if (queue->card->options.performance_stats)
3211 queue->card->perf_stats.sc_dp_p++;
3218 * Switches from packing to non-packing mode. If there is a packing
3219 * buffer on the queue this buffer will be prepared to be flushed.
3220 * In that case 1 is returned to inform the caller. If no buffer
3221 * has to be flushed, zero is returned.
3223 static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
3225 struct qeth_qdio_out_buffer *buffer;
3226 int flush_count = 0;
3228 if (queue->do_pack) {
3229 if (atomic_read(&queue->used_buffers)
3230 <= QETH_LOW_WATERMARK_PACK) {
3231 /* switch PACKING -> non-PACKING */
3232 QETH_CARD_TEXT(queue->card, 6, "pack->np");
3233 if (queue->card->options.performance_stats)
3234 queue->card->perf_stats.sc_p_dp++;
3236 /* flush packing buffers */
3237 buffer = queue->bufs[queue->next_buf_to_fill];
3238 if ((atomic_read(&buffer->state) ==
3239 QETH_QDIO_BUF_EMPTY) &&
3240 (buffer->next_element_to_fill > 0)) {
3241 atomic_set(&buffer->state,
3242 QETH_QDIO_BUF_PRIMED);
3244 queue->next_buf_to_fill =
3245 (queue->next_buf_to_fill + 1) %
3246 QDIO_MAX_BUFFERS_PER_Q;
3255 * Called to flush a packing buffer if no more pci flags are on the queue.
3256 * Checks if there is a packing buffer and prepares it to be flushed.
3257 * In that case returns 1, otherwise zero.
3259 static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
3261 struct qeth_qdio_out_buffer *buffer;
3263 buffer = queue->bufs[queue->next_buf_to_fill];
3264 if ((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) &&
3265 (buffer->next_element_to_fill > 0)) {
3266 /* it's a packing buffer */
3267 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3268 queue->next_buf_to_fill =
3269 (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q;
3275 static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
3278 struct qeth_qdio_out_buffer *buf;
3281 unsigned int qdio_flags;
3283 for (i = index; i < index + count; ++i) {
3284 int bidx = i % QDIO_MAX_BUFFERS_PER_Q;
3285 buf = queue->bufs[bidx];
3286 buf->buffer->element[buf->next_element_to_fill - 1].eflags |=
3287 SBAL_EFLAGS_LAST_ENTRY;
3289 if (queue->bufstates)
3290 queue->bufstates[bidx].user = buf;
3292 if (queue->card->info.type == QETH_CARD_TYPE_IQD)
3295 if (!queue->do_pack) {
3296 if ((atomic_read(&queue->used_buffers) >=
3297 (QETH_HIGH_WATERMARK_PACK -
3298 QETH_WATERMARK_PACK_FUZZ)) &&
3299 !atomic_read(&queue->set_pci_flags_count)) {
3300 /* it's likely that we'll go to packing
3302 atomic_inc(&queue->set_pci_flags_count);
3303 buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ;
3306 if (!atomic_read(&queue->set_pci_flags_count)) {
3308 * there's no outstanding PCI any more, so we
3309 * have to request a PCI to be sure the the PCI
3310 * will wake at some time in the future then we
3311 * can flush packed buffers that might still be
3312 * hanging around, which can happen if no
3313 * further send was requested by the stack
3315 atomic_inc(&queue->set_pci_flags_count);
3316 buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ;
3321 queue->card->dev->trans_start = jiffies;
3322 if (queue->card->options.performance_stats) {
3323 queue->card->perf_stats.outbound_do_qdio_cnt++;
3324 queue->card->perf_stats.outbound_do_qdio_start_time =
3327 qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
3328 if (atomic_read(&queue->set_pci_flags_count))
3329 qdio_flags |= QDIO_FLAG_PCI_OUT;
3330 rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
3331 queue->queue_no, index, count);
3332 if (queue->card->options.performance_stats)
3333 queue->card->perf_stats.outbound_do_qdio_time +=
3335 queue->card->perf_stats.outbound_do_qdio_start_time;
3336 atomic_add(count, &queue->used_buffers);
3338 queue->card->stats.tx_errors += count;
3339 /* ignore temporary SIGA errors without busy condition */
3340 if (rc == QDIO_ERROR_SIGA_TARGET)
3342 QETH_CARD_TEXT(queue->card, 2, "flushbuf");
3343 QETH_CARD_TEXT_(queue->card, 2, " q%d", queue->queue_no);
3344 QETH_CARD_TEXT_(queue->card, 2, " idx%d", index);
3345 QETH_CARD_TEXT_(queue->card, 2, " c%d", count);
3346 QETH_CARD_TEXT_(queue->card, 2, " err%d", rc);
3348 /* this must not happen under normal circumstances. if it
3349 * happens something is really wrong -> recover */
3350 qeth_schedule_recovery(queue->card);
3353 if (queue->card->options.performance_stats)
3354 queue->card->perf_stats.bufs_sent += count;
3357 static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
3361 int q_was_packing = 0;
3364 * check if weed have to switch to non-packing mode or if
3365 * we have to get a pci flag out on the queue
3367 if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
3368 !atomic_read(&queue->set_pci_flags_count)) {
3369 if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
3370 QETH_OUT_Q_UNLOCKED) {
3372 * If we get in here, there was no action in
3373 * do_send_packet. So, we check if there is a
3374 * packing buffer to be flushed here.
3376 netif_stop_queue(queue->card->dev);
3377 index = queue->next_buf_to_fill;
3378 q_was_packing = queue->do_pack;
3379 /* queue->do_pack may change */
3381 flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
3383 !atomic_read(&queue->set_pci_flags_count))
3385 qeth_flush_buffers_on_no_pci(queue);
3386 if (queue->card->options.performance_stats &&
3388 queue->card->perf_stats.bufs_sent_pack +=
3391 qeth_flush_buffers(queue, index, flush_cnt);
3392 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3397 void qeth_qdio_start_poll(struct ccw_device *ccwdev, int queue,
3398 unsigned long card_ptr)
3400 struct qeth_card *card = (struct qeth_card *)card_ptr;
3402 if (card->dev && (card->dev->flags & IFF_UP))
3403 napi_schedule(&card->napi);
3405 EXPORT_SYMBOL_GPL(qeth_qdio_start_poll);
3407 int qeth_configure_cq(struct qeth_card *card, enum qeth_cq cq)
3411 if (card->options.cq == QETH_CQ_NOTAVAILABLE) {
3415 if (card->options.cq == cq) {
3420 if (card->state != CARD_STATE_DOWN &&
3421 card->state != CARD_STATE_RECOVER) {
3426 qeth_free_qdio_buffers(card);
3427 card->options.cq = cq;
3434 EXPORT_SYMBOL_GPL(qeth_configure_cq);
3437 static void qeth_qdio_cq_handler(struct qeth_card *card,
3438 unsigned int qdio_err,
3439 unsigned int queue, int first_element, int count) {
3440 struct qeth_qdio_q *cq = card->qdio.c_q;
3444 if (!qeth_is_cq(card, queue))
3447 QETH_CARD_TEXT_(card, 5, "qcqhe%d", first_element);
3448 QETH_CARD_TEXT_(card, 5, "qcqhc%d", count);
3449 QETH_CARD_TEXT_(card, 5, "qcqherr%d", qdio_err);
3452 netif_stop_queue(card->dev);
3453 qeth_schedule_recovery(card);
3457 if (card->options.performance_stats) {
3458 card->perf_stats.cq_cnt++;
3459 card->perf_stats.cq_start_time = qeth_get_micros();
3462 for (i = first_element; i < first_element + count; ++i) {
3463 int bidx = i % QDIO_MAX_BUFFERS_PER_Q;
3464 struct qdio_buffer *buffer = &cq->qdio_bufs[bidx];
3468 while (buffer->element[e].addr) {
3469 unsigned long phys_aob_addr;
3471 phys_aob_addr = (unsigned long) buffer->element[e].addr;
3472 qeth_qdio_handle_aob(card, phys_aob_addr);
3473 buffer->element[e].addr = NULL;
3474 buffer->element[e].eflags = 0;
3475 buffer->element[e].sflags = 0;
3476 buffer->element[e].length = 0;
3481 buffer->element[15].eflags = 0;
3482 buffer->element[15].sflags = 0;
3484 rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, queue,
3485 card->qdio.c_q->next_buf_to_init,
3488 dev_warn(&card->gdev->dev,
3489 "QDIO reported an error, rc=%i\n", rc);
3490 QETH_CARD_TEXT(card, 2, "qcqherr");
3492 card->qdio.c_q->next_buf_to_init = (card->qdio.c_q->next_buf_to_init
3493 + count) % QDIO_MAX_BUFFERS_PER_Q;
3495 netif_wake_queue(card->dev);
3497 if (card->options.performance_stats) {
3498 int delta_t = qeth_get_micros();
3499 delta_t -= card->perf_stats.cq_start_time;
3500 card->perf_stats.cq_time += delta_t;
3506 void qeth_qdio_input_handler(struct ccw_device *ccwdev, unsigned int qdio_err,
3507 unsigned int queue, int first_elem, int count,
3508 unsigned long card_ptr)
3510 struct qeth_card *card = (struct qeth_card *)card_ptr;
3512 QETH_CARD_TEXT_(card, 2, "qihq%d", queue);
3513 QETH_CARD_TEXT_(card, 2, "qiec%d", qdio_err);
3515 if (qeth_is_cq(card, queue))
3516 qeth_qdio_cq_handler(card, qdio_err, queue, first_elem, count);
3518 qeth_schedule_recovery(card);
3522 EXPORT_SYMBOL_GPL(qeth_qdio_input_handler);
3524 void qeth_qdio_output_handler(struct ccw_device *ccwdev,
3525 unsigned int qdio_error, int __queue, int first_element,
3526 int count, unsigned long card_ptr)
3528 struct qeth_card *card = (struct qeth_card *) card_ptr;
3529 struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue];
3530 struct qeth_qdio_out_buffer *buffer;
3533 QETH_CARD_TEXT(card, 6, "qdouhdl");
3534 if (qdio_error & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) {
3535 QETH_CARD_TEXT(card, 2, "achkcond");
3536 netif_stop_queue(card->dev);
3537 qeth_schedule_recovery(card);
3540 if (card->options.performance_stats) {
3541 card->perf_stats.outbound_handler_cnt++;
3542 card->perf_stats.outbound_handler_start_time =
3545 for (i = first_element; i < (first_element + count); ++i) {
3546 int bidx = i % QDIO_MAX_BUFFERS_PER_Q;
3547 buffer = queue->bufs[bidx];
3548 qeth_handle_send_error(card, buffer, qdio_error);
3550 if (queue->bufstates &&
3551 (queue->bufstates[bidx].flags &
3552 QDIO_OUTBUF_STATE_FLAG_PENDING) != 0) {
3553 BUG_ON(card->options.cq != QETH_CQ_ENABLED);
3555 if (atomic_cmpxchg(&buffer->state,
3556 QETH_QDIO_BUF_PRIMED,
3557 QETH_QDIO_BUF_PENDING) ==
3558 QETH_QDIO_BUF_PRIMED) {
3559 qeth_notify_skbs(queue, buffer,
3562 buffer->aob = queue->bufstates[bidx].aob;
3563 QETH_CARD_TEXT_(queue->card, 5, "pel%d", bidx);
3564 QETH_CARD_TEXT(queue->card, 5, "aob");
3565 QETH_CARD_TEXT_(queue->card, 5, "%lx",
3566 virt_to_phys(buffer->aob));
3567 BUG_ON(bidx < 0 || bidx >= QDIO_MAX_BUFFERS_PER_Q);
3568 if (qeth_init_qdio_out_buf(queue, bidx)) {
3569 QETH_CARD_TEXT(card, 2, "outofbuf");
3570 qeth_schedule_recovery(card);
3573 if (card->options.cq == QETH_CQ_ENABLED) {
3574 enum iucv_tx_notify n;
3576 n = qeth_compute_cq_notification(
3577 buffer->buffer->element[15].sflags, 0);
3578 qeth_notify_skbs(queue, buffer, n);
3581 qeth_clear_output_buffer(queue, buffer,
3582 QETH_QDIO_BUF_EMPTY);
3584 qeth_cleanup_handled_pending(queue, bidx, 0);
3586 atomic_sub(count, &queue->used_buffers);
3587 /* check if we need to do something on this outbound queue */
3588 if (card->info.type != QETH_CARD_TYPE_IQD)
3589 qeth_check_outbound_queue(queue);
3591 netif_wake_queue(queue->card->dev);
3592 if (card->options.performance_stats)
3593 card->perf_stats.outbound_handler_time += qeth_get_micros() -
3594 card->perf_stats.outbound_handler_start_time;
3596 EXPORT_SYMBOL_GPL(qeth_qdio_output_handler);
3598 int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
3599 int ipv, int cast_type)
3601 if (!ipv && (card->info.type == QETH_CARD_TYPE_OSD ||
3602 card->info.type == QETH_CARD_TYPE_OSX))
3603 return card->qdio.default_out_queue;
3604 switch (card->qdio.no_out_queues) {
3606 if (cast_type && card->info.is_multicast_different)
3607 return card->info.is_multicast_different &
3608 (card->qdio.no_out_queues - 1);
3609 if (card->qdio.do_prio_queueing && (ipv == 4)) {
3610 const u8 tos = ip_hdr(skb)->tos;
3612 if (card->qdio.do_prio_queueing ==
3613 QETH_PRIO_Q_ING_TOS) {
3614 if (tos & IP_TOS_NOTIMPORTANT)
3616 if (tos & IP_TOS_HIGHRELIABILITY)
3618 if (tos & IP_TOS_HIGHTHROUGHPUT)
3620 if (tos & IP_TOS_LOWDELAY)
3623 if (card->qdio.do_prio_queueing ==
3624 QETH_PRIO_Q_ING_PREC)
3625 return 3 - (tos >> 6);
3626 } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
3629 return card->qdio.default_out_queue;
3630 case 1: /* fallthrough for single-out-queue 1920-device */
3632 return card->qdio.default_out_queue;
3635 EXPORT_SYMBOL_GPL(qeth_get_priority_queue);
3637 int qeth_get_elements_no(struct qeth_card *card, void *hdr,
3638 struct sk_buff *skb, int elems)
3640 int dlen = skb->len - skb->data_len;
3641 int elements_needed = PFN_UP((unsigned long)skb->data + dlen - 1) -
3642 PFN_DOWN((unsigned long)skb->data);
3644 elements_needed += skb_shinfo(skb)->nr_frags;
3645 if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)) {
3646 QETH_DBF_MESSAGE(2, "Invalid size of IP packet "
3647 "(Number=%d / Length=%d). Discarded.\n",
3648 (elements_needed+elems), skb->len);
3651 return elements_needed;
3653 EXPORT_SYMBOL_GPL(qeth_get_elements_no);
3655 int qeth_hdr_chk_and_bounce(struct sk_buff *skb, int len)
3657 int hroom, inpage, rest;
3659 if (((unsigned long)skb->data & PAGE_MASK) !=
3660 (((unsigned long)skb->data + len - 1) & PAGE_MASK)) {
3661 hroom = skb_headroom(skb);
3662 inpage = PAGE_SIZE - ((unsigned long) skb->data % PAGE_SIZE);
3663 rest = len - inpage;
3666 memmove(skb->data - rest, skb->data, skb->len - skb->data_len);
3668 QETH_DBF_MESSAGE(2, "skb bounce len: %d rest: %d\n", len, rest);
3672 EXPORT_SYMBOL_GPL(qeth_hdr_chk_and_bounce);
3674 static inline void __qeth_fill_buffer(struct sk_buff *skb,
3675 struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill,
3678 int length = skb->len - skb->data_len;
3683 struct skb_frag_struct *frag;
3685 element = *next_element_to_fill;
3687 first_lap = (is_tso == 0 ? 1 : 0);
3690 data = skb->data + offset;
3695 while (length > 0) {
3696 /* length_here is the remaining amount of data in this page */
3697 length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
3698 if (length < length_here)
3699 length_here = length;
3701 buffer->element[element].addr = data;
3702 buffer->element[element].length = length_here;
3703 length -= length_here;
3706 if (skb_shinfo(skb)->nr_frags)
3707 buffer->element[element].eflags =
3708 SBAL_EFLAGS_FIRST_FRAG;
3710 buffer->element[element].eflags = 0;
3712 buffer->element[element].eflags =
3713 SBAL_EFLAGS_MIDDLE_FRAG;
3716 buffer->element[element].eflags =
3717 SBAL_EFLAGS_FIRST_FRAG;
3719 buffer->element[element].eflags =
3720 SBAL_EFLAGS_MIDDLE_FRAG;
3722 data += length_here;
3727 for (cnt = 0; cnt < skb_shinfo(skb)->nr_frags; cnt++) {
3728 frag = &skb_shinfo(skb)->frags[cnt];
3729 buffer->element[element].addr = (char *)
3730 page_to_phys(skb_frag_page(frag))
3731 + frag->page_offset;
3732 buffer->element[element].length = frag->size;
3733 buffer->element[element].eflags = SBAL_EFLAGS_MIDDLE_FRAG;
3737 if (buffer->element[element - 1].eflags)
3738 buffer->element[element - 1].eflags = SBAL_EFLAGS_LAST_FRAG;
3739 *next_element_to_fill = element;
3742 static inline int qeth_fill_buffer(struct qeth_qdio_out_q *queue,
3743 struct qeth_qdio_out_buffer *buf, struct sk_buff *skb,
3744 struct qeth_hdr *hdr, int offset, int hd_len)
3746 struct qdio_buffer *buffer;
3747 int flush_cnt = 0, hdr_len, large_send = 0;
3749 buffer = buf->buffer;
3750 atomic_inc(&skb->users);
3751 skb_queue_tail(&buf->skb_list, skb);
3753 /*check first on TSO ....*/
3754 if (hdr->hdr.l3.id == QETH_HEADER_TYPE_TSO) {
3755 int element = buf->next_element_to_fill;
3757 hdr_len = sizeof(struct qeth_hdr_tso) +
3758 ((struct qeth_hdr_tso *)hdr)->ext.dg_hdr_len;
3759 /*fill first buffer entry only with header information */
3760 buffer->element[element].addr = skb->data;
3761 buffer->element[element].length = hdr_len;
3762 buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
3763 buf->next_element_to_fill++;
3764 skb->data += hdr_len;
3765 skb->len -= hdr_len;
3770 int element = buf->next_element_to_fill;
3771 buffer->element[element].addr = hdr;
3772 buffer->element[element].length = sizeof(struct qeth_hdr) +
3774 buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
3775 buf->is_header[element] = 1;
3776 buf->next_element_to_fill++;
3779 __qeth_fill_buffer(skb, buffer, large_send,
3780 (int *)&buf->next_element_to_fill, offset);
3782 if (!queue->do_pack) {
3783 QETH_CARD_TEXT(queue->card, 6, "fillbfnp");
3784 /* set state to PRIMED -> will be flushed */
3785 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3788 QETH_CARD_TEXT(queue->card, 6, "fillbfpa");
3789 if (queue->card->options.performance_stats)
3790 queue->card->perf_stats.skbs_sent_pack++;
3791 if (buf->next_element_to_fill >=
3792 QETH_MAX_BUFFER_ELEMENTS(queue->card)) {
3794 * packed buffer if full -> set state PRIMED
3795 * -> will be flushed
3797 atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED);
3804 int qeth_do_send_packet_fast(struct qeth_card *card,
3805 struct qeth_qdio_out_q *queue, struct sk_buff *skb,
3806 struct qeth_hdr *hdr, int elements_needed,
3807 int offset, int hd_len)
3809 struct qeth_qdio_out_buffer *buffer;
3812 /* spin until we get the queue ... */
3813 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
3814 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
3815 /* ... now we've got the queue */
3816 index = queue->next_buf_to_fill;
3817 buffer = queue->bufs[queue->next_buf_to_fill];
3819 * check if buffer is empty to make sure that we do not 'overtake'
3820 * ourselves and try to fill a buffer that is already primed
3822 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
3824 queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
3825 QDIO_MAX_BUFFERS_PER_Q;
3826 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3827 qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len);
3828 qeth_flush_buffers(queue, index, 1);
3831 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3834 EXPORT_SYMBOL_GPL(qeth_do_send_packet_fast);
3836 int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
3837 struct sk_buff *skb, struct qeth_hdr *hdr,
3838 int elements_needed)
3840 struct qeth_qdio_out_buffer *buffer;
3842 int flush_count = 0;
3847 /* spin until we get the queue ... */
3848 while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
3849 QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
3850 start_index = queue->next_buf_to_fill;
3851 buffer = queue->bufs[queue->next_buf_to_fill];
3853 * check if buffer is empty to make sure that we do not 'overtake'
3854 * ourselves and try to fill a buffer that is already primed
3856 if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
3857 atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
3860 /* check if we need to switch packing state of this queue */
3861 qeth_switch_to_packing_if_needed(queue);
3862 if (queue->do_pack) {
3864 /* does packet fit in current buffer? */
3865 if ((QETH_MAX_BUFFER_ELEMENTS(card) -
3866 buffer->next_element_to_fill) < elements_needed) {
3867 /* ... no -> set state PRIMED */
3868 atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
3870 queue->next_buf_to_fill =
3871 (queue->next_buf_to_fill + 1) %
3872 QDIO_MAX_BUFFERS_PER_Q;
3873 buffer = queue->bufs[queue->next_buf_to_fill];
3874 /* we did a step forward, so check buffer state
3876 if (atomic_read(&buffer->state) !=
3877 QETH_QDIO_BUF_EMPTY) {
3878 qeth_flush_buffers(queue, start_index,
3880 atomic_set(&queue->state,
3881 QETH_OUT_Q_UNLOCKED);
3886 tmp = qeth_fill_buffer(queue, buffer, skb, hdr, -1, 0);
3887 queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
3888 QDIO_MAX_BUFFERS_PER_Q;
3891 qeth_flush_buffers(queue, start_index, flush_count);
3892 else if (!atomic_read(&queue->set_pci_flags_count))
3893 atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
3895 * queue->state will go from LOCKED -> UNLOCKED or from
3896 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
3897 * (switch packing state or flush buffer to get another pci flag out).
3898 * In that case we will enter this loop
3900 while (atomic_dec_return(&queue->state)) {
3902 start_index = queue->next_buf_to_fill;
3903 /* check if we can go back to non-packing state */
3904 flush_count += qeth_switch_to_nonpacking_if_needed(queue);
3906 * check if we need to flush a packing buffer to get a pci
3907 * flag out on the queue
3909 if (!flush_count && !atomic_read(&queue->set_pci_flags_count))
3910 flush_count += qeth_flush_buffers_on_no_pci(queue);
3912 qeth_flush_buffers(queue, start_index, flush_count);
3914 /* at this point the queue is UNLOCKED again */
3915 if (queue->card->options.performance_stats && do_pack)
3916 queue->card->perf_stats.bufs_sent_pack += flush_count;
3920 EXPORT_SYMBOL_GPL(qeth_do_send_packet);
3922 static int qeth_setadp_promisc_mode_cb(struct qeth_card *card,
3923 struct qeth_reply *reply, unsigned long data)
3925 struct qeth_ipa_cmd *cmd;
3926 struct qeth_ipacmd_setadpparms *setparms;
3928 QETH_CARD_TEXT(card, 4, "prmadpcb");
3930 cmd = (struct qeth_ipa_cmd *) data;
3931 setparms = &(cmd->data.setadapterparms);
3933 qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
3934 if (cmd->hdr.return_code) {
3935 QETH_CARD_TEXT_(card, 4, "prmrc%2.2x", cmd->hdr.return_code);
3936 setparms->data.mode = SET_PROMISC_MODE_OFF;
3938 card->info.promisc_mode = setparms->data.mode;
3942 void qeth_setadp_promisc_mode(struct qeth_card *card)
3944 enum qeth_ipa_promisc_modes mode;
3945 struct net_device *dev = card->dev;
3946 struct qeth_cmd_buffer *iob;
3947 struct qeth_ipa_cmd *cmd;
3949 QETH_CARD_TEXT(card, 4, "setprom");
3951 if (((dev->flags & IFF_PROMISC) &&
3952 (card->info.promisc_mode == SET_PROMISC_MODE_ON)) ||
3953 (!(dev->flags & IFF_PROMISC) &&
3954 (card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
3956 mode = SET_PROMISC_MODE_OFF;
3957 if (dev->flags & IFF_PROMISC)
3958 mode = SET_PROMISC_MODE_ON;
3959 QETH_CARD_TEXT_(card, 4, "mode:%x", mode);
3961 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE,
3962 sizeof(struct qeth_ipacmd_setadpparms));
3963 cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
3964 cmd->data.setadapterparms.data.mode = mode;
3965 qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL);
3967 EXPORT_SYMBOL_GPL(qeth_setadp_promisc_mode);
3969 int qeth_change_mtu(struct net_device *dev, int new_mtu)
3971 struct qeth_card *card;
3974 card = dev->ml_priv;
3976 QETH_CARD_TEXT(card, 4, "chgmtu");
3977 sprintf(dbf_text, "%8x", new_mtu);
3978 QETH_CARD_TEXT(card, 4, dbf_text);
3982 if (new_mtu > 65535)
3984 if ((!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) &&
3985 (!qeth_mtu_is_valid(card, new_mtu)))
3990 EXPORT_SYMBOL_GPL(qeth_change_mtu);
3992 struct net_device_stats *qeth_get_stats(struct net_device *dev)
3994 struct qeth_card *card;
3996 card = dev->ml_priv;
3998 QETH_CARD_TEXT(card, 5, "getstat");
4000 return &card->stats;
4002 EXPORT_SYMBOL_GPL(qeth_get_stats);
4004 static int qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
4005 struct qeth_reply *reply, unsigned long data)
4007 struct qeth_ipa_cmd *cmd;
4009 QETH_CARD_TEXT(card, 4, "chgmaccb");
4011 cmd = (struct qeth_ipa_cmd *) data;
4012 if (!card->options.layer2 ||
4013 !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
4014 memcpy(card->dev->dev_addr,
4015 &cmd->data.setadapterparms.data.change_addr.addr,
4017 card->info.mac_bits |= QETH_LAYER2_MAC_READ;
4019 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
4023 int qeth_setadpparms_change_macaddr(struct qeth_card *card)
4026 struct qeth_cmd_buffer *iob;
4027 struct qeth_ipa_cmd *cmd;
4029 QETH_CARD_TEXT(card, 4, "chgmac");
4031 iob = qeth_get_adapter_cmd(card, IPA_SETADP_ALTER_MAC_ADDRESS,
4032 sizeof(struct qeth_ipacmd_setadpparms));
4033 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4034 cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC;
4035 cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN;
4036 memcpy(&cmd->data.setadapterparms.data.change_addr.addr,
4037 card->dev->dev_addr, OSA_ADDR_LEN);
4038 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb,
4042 EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr);
4044 static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card,
4045 struct qeth_reply *reply, unsigned long data)
4047 struct qeth_ipa_cmd *cmd;
4048 struct qeth_set_access_ctrl *access_ctrl_req;
4050 QETH_CARD_TEXT(card, 4, "setaccb");
4052 cmd = (struct qeth_ipa_cmd *) data;
4053 access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl;
4054 QETH_DBF_TEXT_(SETUP, 2, "setaccb");
4055 QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
4056 QETH_DBF_TEXT_(SETUP, 2, "rc=%d",
4057 cmd->data.setadapterparms.hdr.return_code);
4058 switch (cmd->data.setadapterparms.hdr.return_code) {
4059 case SET_ACCESS_CTRL_RC_SUCCESS:
4060 case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED:
4061 case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED:
4063 card->options.isolation = access_ctrl_req->subcmd_code;
4064 if (card->options.isolation == ISOLATION_MODE_NONE) {
4065 dev_info(&card->gdev->dev,
4066 "QDIO data connection isolation is deactivated\n");
4068 dev_info(&card->gdev->dev,
4069 "QDIO data connection isolation is activated\n");
4071 QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n",
4072 card->gdev->dev.kobj.name,
4073 access_ctrl_req->subcmd_code,
4074 cmd->data.setadapterparms.hdr.return_code);
4077 case SET_ACCESS_CTRL_RC_NOT_SUPPORTED:
4079 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
4080 card->gdev->dev.kobj.name,
4081 access_ctrl_req->subcmd_code,
4082 cmd->data.setadapterparms.hdr.return_code);
4083 dev_err(&card->gdev->dev, "Adapter does not "
4084 "support QDIO data connection isolation\n");
4086 /* ensure isolation mode is "none" */
4087 card->options.isolation = ISOLATION_MODE_NONE;
4090 case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER:
4092 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
4093 card->gdev->dev.kobj.name,
4094 access_ctrl_req->subcmd_code,
4095 cmd->data.setadapterparms.hdr.return_code);
4096 dev_err(&card->gdev->dev,
4097 "Adapter is dedicated. "
4098 "QDIO data connection isolation not supported\n");
4100 /* ensure isolation mode is "none" */
4101 card->options.isolation = ISOLATION_MODE_NONE;
4104 case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF:
4106 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
4107 card->gdev->dev.kobj.name,
4108 access_ctrl_req->subcmd_code,
4109 cmd->data.setadapterparms.hdr.return_code);
4110 dev_err(&card->gdev->dev,
4111 "TSO does not permit QDIO data connection isolation\n");
4113 /* ensure isolation mode is "none" */
4114 card->options.isolation = ISOLATION_MODE_NONE;
4119 /* this should never happen */
4120 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d"
4122 card->gdev->dev.kobj.name,
4123 access_ctrl_req->subcmd_code,
4124 cmd->data.setadapterparms.hdr.return_code);
4126 /* ensure isolation mode is "none" */
4127 card->options.isolation = ISOLATION_MODE_NONE;
4131 qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
4135 static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
4136 enum qeth_ipa_isolation_modes isolation)
4139 struct qeth_cmd_buffer *iob;
4140 struct qeth_ipa_cmd *cmd;
4141 struct qeth_set_access_ctrl *access_ctrl_req;
4143 QETH_CARD_TEXT(card, 4, "setacctl");
4145 QETH_DBF_TEXT_(SETUP, 2, "setacctl");
4146 QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
4148 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_ACCESS_CONTROL,
4149 sizeof(struct qeth_ipacmd_setadpparms_hdr) +
4150 sizeof(struct qeth_set_access_ctrl));
4151 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4152 access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl;
4153 access_ctrl_req->subcmd_code = isolation;
4155 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb,
4157 QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc);
4161 int qeth_set_access_ctrl_online(struct qeth_card *card)
4165 QETH_CARD_TEXT(card, 4, "setactlo");
4167 if ((card->info.type == QETH_CARD_TYPE_OSD ||
4168 card->info.type == QETH_CARD_TYPE_OSX) &&
4169 qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) {
4170 rc = qeth_setadpparms_set_access_ctrl(card,
4171 card->options.isolation);
4174 "IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n",
4175 card->gdev->dev.kobj.name,
4178 } else if (card->options.isolation != ISOLATION_MODE_NONE) {
4179 card->options.isolation = ISOLATION_MODE_NONE;
4181 dev_err(&card->gdev->dev, "Adapter does not "
4182 "support QDIO data connection isolation\n");
4187 EXPORT_SYMBOL_GPL(qeth_set_access_ctrl_online);
4189 void qeth_tx_timeout(struct net_device *dev)
4191 struct qeth_card *card;
4193 card = dev->ml_priv;
4194 QETH_CARD_TEXT(card, 4, "txtimeo");
4195 card->stats.tx_errors++;
4196 qeth_schedule_recovery(card);
4198 EXPORT_SYMBOL_GPL(qeth_tx_timeout);
4200 int qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
4202 struct qeth_card *card = dev->ml_priv;
4206 case MII_BMCR: /* Basic mode control register */
4208 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH) &&
4209 (card->info.link_type != QETH_LINK_TYPE_OSN) &&
4210 (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
4211 rc |= BMCR_SPEED100;
4213 case MII_BMSR: /* Basic mode status register */
4214 rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS |
4215 BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL |
4218 case MII_PHYSID1: /* PHYS ID 1 */
4219 rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) |
4221 rc = (rc >> 5) & 0xFFFF;
4223 case MII_PHYSID2: /* PHYS ID 2 */
4224 rc = (dev->dev_addr[2] << 10) & 0xFFFF;
4226 case MII_ADVERTISE: /* Advertisement control reg */
4229 case MII_LPA: /* Link partner ability reg */
4230 rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL |
4231 LPA_100BASE4 | LPA_LPACK;
4233 case MII_EXPANSION: /* Expansion register */
4235 case MII_DCOUNTER: /* disconnect counter */
4237 case MII_FCSCOUNTER: /* false carrier counter */
4239 case MII_NWAYTEST: /* N-way auto-neg test register */
4241 case MII_RERRCOUNTER: /* rx error counter */
4242 rc = card->stats.rx_errors;
4244 case MII_SREVISION: /* silicon revision */
4246 case MII_RESV1: /* reserved 1 */
4248 case MII_LBRERROR: /* loopback, rx, bypass error */
4250 case MII_PHYADDR: /* physical address */
4252 case MII_RESV2: /* reserved 2 */
4254 case MII_TPISTATUS: /* TPI status for 10mbps */
4256 case MII_NCONFIG: /* network interface config */
4263 EXPORT_SYMBOL_GPL(qeth_mdio_read);
4265 static int qeth_send_ipa_snmp_cmd(struct qeth_card *card,
4266 struct qeth_cmd_buffer *iob, int len,
4267 int (*reply_cb)(struct qeth_card *, struct qeth_reply *,
4273 QETH_CARD_TEXT(card, 4, "sendsnmp");
4275 memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
4276 memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
4277 &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
4278 /* adjust PDU length fields in IPA_PDU_HEADER */
4279 s1 = (u32) IPA_PDU_HEADER_SIZE + len;
4281 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
4282 memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
4283 memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
4284 memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
4285 return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob,
4286 reply_cb, reply_param);
4289 static int qeth_snmp_command_cb(struct qeth_card *card,
4290 struct qeth_reply *reply, unsigned long sdata)
4292 struct qeth_ipa_cmd *cmd;
4293 struct qeth_arp_query_info *qinfo;
4294 struct qeth_snmp_cmd *snmp;
4295 unsigned char *data;
4298 QETH_CARD_TEXT(card, 3, "snpcmdcb");
4300 cmd = (struct qeth_ipa_cmd *) sdata;
4301 data = (unsigned char *)((char *)cmd - reply->offset);
4302 qinfo = (struct qeth_arp_query_info *) reply->param;
4303 snmp = &cmd->data.setadapterparms.data.snmp;
4305 if (cmd->hdr.return_code) {
4306 QETH_CARD_TEXT_(card, 4, "scer1%i", cmd->hdr.return_code);
4309 if (cmd->data.setadapterparms.hdr.return_code) {
4310 cmd->hdr.return_code =
4311 cmd->data.setadapterparms.hdr.return_code;
4312 QETH_CARD_TEXT_(card, 4, "scer2%i", cmd->hdr.return_code);
4315 data_len = *((__u16 *)QETH_IPA_PDU_LEN_PDU1(data));
4316 if (cmd->data.setadapterparms.hdr.seq_no == 1)
4317 data_len -= (__u16)((char *)&snmp->data - (char *)cmd);
4319 data_len -= (__u16)((char *)&snmp->request - (char *)cmd);
4321 /* check if there is enough room in userspace */
4322 if ((qinfo->udata_len - qinfo->udata_offset) < data_len) {
4323 QETH_CARD_TEXT_(card, 4, "scer3%i", -ENOMEM);
4324 cmd->hdr.return_code = -ENOMEM;
4327 QETH_CARD_TEXT_(card, 4, "snore%i",
4328 cmd->data.setadapterparms.hdr.used_total);
4329 QETH_CARD_TEXT_(card, 4, "sseqn%i",
4330 cmd->data.setadapterparms.hdr.seq_no);
4331 /*copy entries to user buffer*/
4332 if (cmd->data.setadapterparms.hdr.seq_no == 1) {
4333 memcpy(qinfo->udata + qinfo->udata_offset,
4335 data_len + offsetof(struct qeth_snmp_cmd, data));
4336 qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data);
4338 memcpy(qinfo->udata + qinfo->udata_offset,
4339 (char *)&snmp->request, data_len);
4341 qinfo->udata_offset += data_len;
4342 /* check if all replies received ... */
4343 QETH_CARD_TEXT_(card, 4, "srtot%i",
4344 cmd->data.setadapterparms.hdr.used_total);
4345 QETH_CARD_TEXT_(card, 4, "srseq%i",
4346 cmd->data.setadapterparms.hdr.seq_no);
4347 if (cmd->data.setadapterparms.hdr.seq_no <
4348 cmd->data.setadapterparms.hdr.used_total)
4353 int qeth_snmp_command(struct qeth_card *card, char __user *udata)
4355 struct qeth_cmd_buffer *iob;
4356 struct qeth_ipa_cmd *cmd;
4357 struct qeth_snmp_ureq *ureq;
4359 struct qeth_arp_query_info qinfo = {0, };
4362 QETH_CARD_TEXT(card, 3, "snmpcmd");
4364 if (card->info.guestlan)
4367 if ((!qeth_adp_supported(card, IPA_SETADP_SET_SNMP_CONTROL)) &&
4368 (!card->options.layer2)) {
4371 /* skip 4 bytes (data_len struct member) to get req_len */
4372 if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
4374 ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
4376 QETH_CARD_TEXT(card, 2, "snmpnome");
4377 return PTR_ERR(ureq);
4379 qinfo.udata_len = ureq->hdr.data_len;
4380 qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL);
4385 qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
4387 iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
4388 QETH_SNMP_SETADP_CMDLENGTH + req_len);
4389 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4390 memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len);
4391 rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len,
4392 qeth_snmp_command_cb, (void *)&qinfo);
4394 QETH_DBF_MESSAGE(2, "SNMP command failed on %s: (0x%x)\n",
4395 QETH_CARD_IFNAME(card), rc);
4397 if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
4405 EXPORT_SYMBOL_GPL(qeth_snmp_command);
4407 static int qeth_setadpparms_query_oat_cb(struct qeth_card *card,
4408 struct qeth_reply *reply, unsigned long data)
4410 struct qeth_ipa_cmd *cmd;
4411 struct qeth_qoat_priv *priv;
4415 QETH_CARD_TEXT(card, 3, "qoatcb");
4417 cmd = (struct qeth_ipa_cmd *)data;
4418 priv = (struct qeth_qoat_priv *)reply->param;
4419 resdatalen = cmd->data.setadapterparms.hdr.cmdlength;
4420 resdata = (char *)data + 28;
4422 if (resdatalen > (priv->buffer_len - priv->response_len)) {
4423 cmd->hdr.return_code = IPA_RC_FFFF;
4427 memcpy((priv->buffer + priv->response_len), resdata,
4429 priv->response_len += resdatalen;
4431 if (cmd->data.setadapterparms.hdr.seq_no <
4432 cmd->data.setadapterparms.hdr.used_total)
4437 int qeth_query_oat_command(struct qeth_card *card, char __user *udata)
4440 struct qeth_cmd_buffer *iob;
4441 struct qeth_ipa_cmd *cmd;
4442 struct qeth_query_oat *oat_req;
4443 struct qeth_query_oat_data oat_data;
4444 struct qeth_qoat_priv priv;
4447 QETH_CARD_TEXT(card, 3, "qoatcmd");
4449 if (!qeth_adp_supported(card, IPA_SETADP_QUERY_OAT)) {
4454 if (copy_from_user(&oat_data, udata,
4455 sizeof(struct qeth_query_oat_data))) {
4460 priv.buffer_len = oat_data.buffer_len;
4461 priv.response_len = 0;
4462 priv.buffer = kzalloc(oat_data.buffer_len, GFP_KERNEL);
4468 iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_OAT,
4469 sizeof(struct qeth_ipacmd_setadpparms_hdr) +
4470 sizeof(struct qeth_query_oat));
4471 cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
4472 oat_req = &cmd->data.setadapterparms.data.query_oat;
4473 oat_req->subcmd_code = oat_data.command;
4475 rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_query_oat_cb,
4478 if (is_compat_task())
4479 tmp = compat_ptr(oat_data.ptr);
4481 tmp = (void __user *)(unsigned long)oat_data.ptr;
4483 if (copy_to_user(tmp, priv.buffer,
4484 priv.response_len)) {
4489 oat_data.response_len = priv.response_len;
4491 if (copy_to_user(udata, &oat_data,
4492 sizeof(struct qeth_query_oat_data)))
4495 if (rc == IPA_RC_FFFF)
4503 EXPORT_SYMBOL_GPL(qeth_query_oat_command);
4505 static inline int qeth_get_qdio_q_format(struct qeth_card *card)
4507 switch (card->info.type) {
4508 case QETH_CARD_TYPE_IQD:
4515 static void qeth_determine_capabilities(struct qeth_card *card)
4520 struct ccw_device *ddev;
4521 int ddev_offline = 0;
4523 QETH_DBF_TEXT(SETUP, 2, "detcapab");
4524 ddev = CARD_DDEV(card);
4525 if (!ddev->online) {
4527 rc = ccw_device_set_online(ddev);
4529 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
4534 rc = qeth_read_conf_data(card, (void **) &prcd, &length);
4536 QETH_DBF_MESSAGE(2, "%s qeth_read_conf_data returned %i\n",
4537 dev_name(&card->gdev->dev), rc);
4538 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
4541 qeth_configure_unitaddr(card, prcd);
4542 qeth_configure_blkt_default(card, prcd);
4545 rc = qdio_get_ssqd_desc(ddev, &card->ssqd);
4547 QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
4549 QETH_DBF_TEXT_(SETUP, 2, "qfmt%d", card->ssqd.qfmt);
4550 QETH_DBF_TEXT_(SETUP, 2, "%d", card->ssqd.qdioac1);
4551 QETH_DBF_TEXT_(SETUP, 2, "%d", card->ssqd.qdioac3);
4552 QETH_DBF_TEXT_(SETUP, 2, "icnt%d", card->ssqd.icnt);
4553 if (!((card->ssqd.qfmt != QDIO_IQDIO_QFMT) ||
4554 ((card->ssqd.qdioac1 & CHSC_AC1_INITIATE_INPUTQ) == 0) ||
4555 ((card->ssqd.qdioac3 & CHSC_AC3_FORMAT2_CQ_AVAILABLE) == 0))) {
4556 dev_info(&card->gdev->dev,
4557 "Completion Queueing supported\n");
4559 card->options.cq = QETH_CQ_NOTAVAILABLE;
4564 if (ddev_offline == 1)
4565 ccw_device_set_offline(ddev);
4570 static inline void qeth_qdio_establish_cq(struct qeth_card *card,
4571 struct qdio_buffer **in_sbal_ptrs,
4572 void (**queue_start_poll) (struct ccw_device *, int, unsigned long)) {
4575 if (card->options.cq == QETH_CQ_ENABLED) {
4576 int offset = QDIO_MAX_BUFFERS_PER_Q *
4577 (card->qdio.no_in_queues - 1);
4578 i = QDIO_MAX_BUFFERS_PER_Q * (card->qdio.no_in_queues - 1);
4579 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
4580 in_sbal_ptrs[offset + i] = (struct qdio_buffer *)
4581 virt_to_phys(card->qdio.c_q->bufs[i].buffer);
4584 queue_start_poll[card->qdio.no_in_queues - 1] = NULL;
4588 static int qeth_qdio_establish(struct qeth_card *card)
4590 struct qdio_initialize init_data;
4591 char *qib_param_field;
4592 struct qdio_buffer **in_sbal_ptrs;
4593 void (**queue_start_poll) (struct ccw_device *, int, unsigned long);
4594 struct qdio_buffer **out_sbal_ptrs;
4598 QETH_DBF_TEXT(SETUP, 2, "qdioest");
4600 qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
4602 if (!qib_param_field) {
4604 goto out_free_nothing;
4607 qeth_create_qib_param_field(card, qib_param_field);
4608 qeth_create_qib_param_field_blkt(card, qib_param_field);
4610 in_sbal_ptrs = kzalloc(card->qdio.no_in_queues *
4611 QDIO_MAX_BUFFERS_PER_Q * sizeof(void *),
4613 if (!in_sbal_ptrs) {
4615 goto out_free_qib_param;
4617 for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
4618 in_sbal_ptrs[i] = (struct qdio_buffer *)
4619 virt_to_phys(card->qdio.in_q->bufs[i].buffer);
4622 queue_start_poll = kzalloc(sizeof(void *) * card->qdio.no_in_queues,
4624 if (!queue_start_poll) {
4626 goto out_free_in_sbals;
4628 for (i = 0; i < card->qdio.no_in_queues; ++i)
4629 queue_start_poll[i] = card->discipline.start_poll;
4631 qeth_qdio_establish_cq(card, in_sbal_ptrs, queue_start_poll);
4634 kzalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q *
4635 sizeof(void *), GFP_KERNEL);
4636 if (!out_sbal_ptrs) {
4638 goto out_free_queue_start_poll;
4640 for (i = 0, k = 0; i < card->qdio.no_out_queues; ++i)
4641 for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k) {
4642 out_sbal_ptrs[k] = (struct qdio_buffer *)virt_to_phys(
4643 card->qdio.out_qs[i]->bufs[j]->buffer);
4646 memset(&init_data, 0, sizeof(struct qdio_initialize));
4647 init_data.cdev = CARD_DDEV(card);
4648 init_data.q_format = qeth_get_qdio_q_format(card);
4649 init_data.qib_param_field_format = 0;
4650 init_data.qib_param_field = qib_param_field;
4651 init_data.no_input_qs = card->qdio.no_in_queues;
4652 init_data.no_output_qs = card->qdio.no_out_queues;
4653 init_data.input_handler = card->discipline.input_handler;
4654 init_data.output_handler = card->discipline.output_handler;
4655 init_data.queue_start_poll_array = queue_start_poll;
4656 init_data.int_parm = (unsigned long) card;
4657 init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
4658 init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
4659 init_data.output_sbal_state_array = card->qdio.out_bufstates;
4660 init_data.scan_threshold =
4661 (card->info.type == QETH_CARD_TYPE_IQD) ? 8 : 32;
4663 if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
4664 QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) {
4665 rc = qdio_allocate(&init_data);
4667 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
4670 rc = qdio_establish(&init_data);
4672 atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED);
4673 qdio_free(CARD_DDEV(card));
4677 switch (card->options.cq) {
4678 case QETH_CQ_ENABLED:
4679 dev_info(&card->gdev->dev, "Completion Queue support enabled");
4681 case QETH_CQ_DISABLED:
4682 dev_info(&card->gdev->dev, "Completion Queue support disabled");
4688 kfree(out_sbal_ptrs);
4689 out_free_queue_start_poll:
4690 kfree(queue_start_poll);
4692 kfree(in_sbal_ptrs);
4694 kfree(qib_param_field);
4699 static void qeth_core_free_card(struct qeth_card *card)
4702 QETH_DBF_TEXT(SETUP, 2, "freecrd");
4703 QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
4704 qeth_clean_channel(&card->read);
4705 qeth_clean_channel(&card->write);
4707 free_netdev(card->dev);
4708 kfree(card->ip_tbd_list);
4709 qeth_free_qdio_buffers(card);
4710 unregister_service_level(&card->qeth_service_level);
4714 static struct ccw_device_id qeth_ids[] = {
4715 {CCW_DEVICE_DEVTYPE(0x1731, 0x01, 0x1732, 0x01),
4716 .driver_info = QETH_CARD_TYPE_OSD},
4717 {CCW_DEVICE_DEVTYPE(0x1731, 0x05, 0x1732, 0x05),
4718 .driver_info = QETH_CARD_TYPE_IQD},
4719 {CCW_DEVICE_DEVTYPE(0x1731, 0x06, 0x1732, 0x06),
4720 .driver_info = QETH_CARD_TYPE_OSN},
4721 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x03),
4722 .driver_info = QETH_CARD_TYPE_OSM},
4723 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x02),
4724 .driver_info = QETH_CARD_TYPE_OSX},
4727 MODULE_DEVICE_TABLE(ccw, qeth_ids);
4729 static struct ccw_driver qeth_ccw_driver = {
4731 .owner = THIS_MODULE,
4735 .probe = ccwgroup_probe_ccwdev,
4736 .remove = ccwgroup_remove_ccwdev,
4739 static int qeth_core_driver_group(const char *buf, struct device *root_dev,
4740 unsigned long driver_id)
4742 return ccwgroup_create_from_string(root_dev, driver_id,
4743 &qeth_ccw_driver, 3, buf);
4746 int qeth_core_hardsetup_card(struct qeth_card *card)
4751 QETH_DBF_TEXT(SETUP, 2, "hrdsetup");
4752 atomic_set(&card->force_alloc_skb, 0);
4753 qeth_get_channel_path_desc(card);
4756 QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
4757 dev_name(&card->gdev->dev));
4758 ccw_device_set_offline(CARD_DDEV(card));
4759 ccw_device_set_offline(CARD_WDEV(card));
4760 ccw_device_set_offline(CARD_RDEV(card));
4761 rc = ccw_device_set_online(CARD_RDEV(card));
4764 rc = ccw_device_set_online(CARD_WDEV(card));
4767 rc = ccw_device_set_online(CARD_DDEV(card));
4770 rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
4772 if (rc == -ERESTARTSYS) {
4773 QETH_DBF_TEXT(SETUP, 2, "break1");
4776 QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
4782 qeth_determine_capabilities(card);
4783 qeth_init_tokens(card);
4784 qeth_init_func_level(card);
4785 rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb);
4786 if (rc == -ERESTARTSYS) {
4787 QETH_DBF_TEXT(SETUP, 2, "break2");
4790 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
4796 rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb);
4797 if (rc == -ERESTARTSYS) {
4798 QETH_DBF_TEXT(SETUP, 2, "break3");
4801 QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
4807 card->read_or_write_problem = 0;
4808 rc = qeth_mpc_initialize(card);
4810 QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
4814 card->options.ipa4.supported_funcs = 0;
4815 card->options.adp.supported_funcs = 0;
4816 card->info.diagass_support = 0;
4817 qeth_query_ipassists(card, QETH_PROT_IPV4);
4818 if (qeth_is_supported(card, IPA_SETADAPTERPARMS))
4819 qeth_query_setadapterparms(card);
4820 if (qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST))
4821 qeth_query_setdiagass(card);
4824 dev_warn(&card->gdev->dev, "The qeth device driver failed to recover "
4825 "an error on the device\n");
4826 QETH_DBF_MESSAGE(2, "%s Initialization in hardsetup failed! rc=%d\n",
4827 dev_name(&card->gdev->dev), rc);
4830 EXPORT_SYMBOL_GPL(qeth_core_hardsetup_card);
4832 static inline int qeth_create_skb_frag(struct qeth_qdio_buffer *qethbuffer,
4833 struct qdio_buffer_element *element,
4834 struct sk_buff **pskb, int offset, int *pfrag, int data_len)
4836 struct page *page = virt_to_page(element->addr);
4837 if (*pskb == NULL) {
4838 if (qethbuffer->rx_skb) {
4839 /* only if qeth_card.options.cq == QETH_CQ_ENABLED */
4840 *pskb = qethbuffer->rx_skb;
4841 qethbuffer->rx_skb = NULL;
4843 *pskb = dev_alloc_skb(QETH_RX_PULL_LEN + ETH_HLEN);
4848 skb_reserve(*pskb, ETH_HLEN);
4849 if (data_len <= QETH_RX_PULL_LEN) {
4850 memcpy(skb_put(*pskb, data_len), element->addr + offset,
4854 memcpy(skb_put(*pskb, QETH_RX_PULL_LEN),
4855 element->addr + offset, QETH_RX_PULL_LEN);
4856 skb_fill_page_desc(*pskb, *pfrag, page,
4857 offset + QETH_RX_PULL_LEN,
4858 data_len - QETH_RX_PULL_LEN);
4859 (*pskb)->data_len += data_len - QETH_RX_PULL_LEN;
4860 (*pskb)->len += data_len - QETH_RX_PULL_LEN;
4861 (*pskb)->truesize += data_len - QETH_RX_PULL_LEN;
4866 skb_fill_page_desc(*pskb, *pfrag, page, offset, data_len);
4867 (*pskb)->data_len += data_len;
4868 (*pskb)->len += data_len;
4869 (*pskb)->truesize += data_len;
4877 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card,
4878 struct qeth_qdio_buffer *qethbuffer,
4879 struct qdio_buffer_element **__element, int *__offset,
4880 struct qeth_hdr **hdr)
4882 struct qdio_buffer_element *element = *__element;
4883 struct qdio_buffer *buffer = qethbuffer->buffer;
4884 int offset = *__offset;
4885 struct sk_buff *skb = NULL;
4893 /* qeth_hdr must not cross element boundaries */
4894 if (element->length < offset + sizeof(struct qeth_hdr)) {
4895 if (qeth_is_last_sbale(element))
4899 if (element->length < sizeof(struct qeth_hdr))
4902 *hdr = element->addr + offset;
4904 offset += sizeof(struct qeth_hdr);
4905 switch ((*hdr)->hdr.l2.id) {
4906 case QETH_HEADER_TYPE_LAYER2:
4907 skb_len = (*hdr)->hdr.l2.pkt_length;
4909 case QETH_HEADER_TYPE_LAYER3:
4910 skb_len = (*hdr)->hdr.l3.length;
4911 if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) ||
4912 (card->info.link_type == QETH_LINK_TYPE_HSTR))
4915 headroom = ETH_HLEN;
4917 case QETH_HEADER_TYPE_OSN:
4918 skb_len = (*hdr)->hdr.osn.pdu_length;
4919 headroom = sizeof(struct qeth_hdr);
4928 if (((skb_len >= card->options.rx_sg_cb) &&
4929 (!(card->info.type == QETH_CARD_TYPE_OSN)) &&
4930 (!atomic_read(&card->force_alloc_skb))) ||
4931 (card->options.cq == QETH_CQ_ENABLED)) {
4934 skb = dev_alloc_skb(skb_len + headroom);
4938 skb_reserve(skb, headroom);
4941 data_ptr = element->addr + offset;
4943 data_len = min(skb_len, (int)(element->length - offset));
4946 if (qeth_create_skb_frag(qethbuffer, element,
4947 &skb, offset, &frag, data_len))
4950 memcpy(skb_put(skb, data_len), data_ptr,
4954 skb_len -= data_len;
4956 if (qeth_is_last_sbale(element)) {
4957 QETH_CARD_TEXT(card, 4, "unexeob");
4958 QETH_CARD_HEX(card, 2, buffer, sizeof(void *));
4959 dev_kfree_skb_any(skb);
4960 card->stats.rx_errors++;
4965 data_ptr = element->addr;
4970 *__element = element;
4972 if (use_rx_sg && card->options.performance_stats) {
4973 card->perf_stats.sg_skbs_rx++;
4974 card->perf_stats.sg_frags_rx += skb_shinfo(skb)->nr_frags;
4978 if (net_ratelimit()) {
4979 QETH_CARD_TEXT(card, 2, "noskbmem");
4981 card->stats.rx_dropped++;
4984 EXPORT_SYMBOL_GPL(qeth_core_get_next_skb);
4986 static void qeth_unregister_dbf_views(void)
4989 for (x = 0; x < QETH_DBF_INFOS; x++) {
4990 debug_unregister(qeth_dbf[x].id);
4991 qeth_dbf[x].id = NULL;
4995 void qeth_dbf_longtext(debug_info_t *id, int level, char *fmt, ...)
4997 char dbf_txt_buf[32];
5000 if (level > id->level)
5002 va_start(args, fmt);
5003 vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);
5005 debug_text_event(id, level, dbf_txt_buf);
5007 EXPORT_SYMBOL_GPL(qeth_dbf_longtext);
5009 static int qeth_register_dbf_views(void)
5014 for (x = 0; x < QETH_DBF_INFOS; x++) {
5015 /* register the areas */
5016 qeth_dbf[x].id = debug_register(qeth_dbf[x].name,
5020 if (qeth_dbf[x].id == NULL) {
5021 qeth_unregister_dbf_views();
5025 /* register a view */
5026 ret = debug_register_view(qeth_dbf[x].id, qeth_dbf[x].view);
5028 qeth_unregister_dbf_views();
5032 /* set a passing level */
5033 debug_set_level(qeth_dbf[x].id, qeth_dbf[x].level);
5039 int qeth_core_load_discipline(struct qeth_card *card,
5040 enum qeth_discipline_id discipline)
5043 switch (discipline) {
5044 case QETH_DISCIPLINE_LAYER3:
5045 card->discipline.ccwgdriver = try_then_request_module(
5046 symbol_get(qeth_l3_ccwgroup_driver),
5049 case QETH_DISCIPLINE_LAYER2:
5050 card->discipline.ccwgdriver = try_then_request_module(
5051 symbol_get(qeth_l2_ccwgroup_driver),
5055 if (!card->discipline.ccwgdriver) {
5056 dev_err(&card->gdev->dev, "There is no kernel module to "
5057 "support discipline %d\n", discipline);
5063 void qeth_core_free_discipline(struct qeth_card *card)
5065 if (card->options.layer2)
5066 symbol_put(qeth_l2_ccwgroup_driver);
5068 symbol_put(qeth_l3_ccwgroup_driver);
5069 card->discipline.ccwgdriver = NULL;
5072 static int qeth_core_probe_device(struct ccwgroup_device *gdev)
5074 struct qeth_card *card;
5077 unsigned long flags;
5080 QETH_DBF_TEXT(SETUP, 2, "probedev");
5083 if (!get_device(dev))
5086 QETH_DBF_TEXT_(SETUP, 2, "%s", dev_name(&gdev->dev));
5088 card = qeth_alloc_card();
5090 QETH_DBF_TEXT_(SETUP, 2, "1err%d", -ENOMEM);
5095 snprintf(dbf_name, sizeof(dbf_name), "qeth_card_%s",
5096 dev_name(&gdev->dev));
5097 card->debug = debug_register(dbf_name, 2, 1, 8);
5099 QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf");
5103 debug_register_view(card->debug, &debug_hex_ascii_view);
5105 card->read.ccwdev = gdev->cdev[0];
5106 card->write.ccwdev = gdev->cdev[1];
5107 card->data.ccwdev = gdev->cdev[2];
5108 dev_set_drvdata(&gdev->dev, card);
5110 gdev->cdev[0]->handler = qeth_irq;
5111 gdev->cdev[1]->handler = qeth_irq;
5112 gdev->cdev[2]->handler = qeth_irq;
5114 rc = qeth_determine_card_type(card);
5116 QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
5119 rc = qeth_setup_card(card);
5121 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
5125 if (card->info.type == QETH_CARD_TYPE_OSN)
5126 rc = qeth_core_create_osn_attributes(dev);
5128 rc = qeth_core_create_device_attributes(dev);
5131 switch (card->info.type) {
5132 case QETH_CARD_TYPE_OSN:
5133 case QETH_CARD_TYPE_OSM:
5134 rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2);
5137 rc = card->discipline.ccwgdriver->probe(card->gdev);
5140 case QETH_CARD_TYPE_OSD:
5141 case QETH_CARD_TYPE_OSX:
5146 write_lock_irqsave(&qeth_core_card_list.rwlock, flags);
5147 list_add_tail(&card->list, &qeth_core_card_list.list);
5148 write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);
5150 qeth_determine_capabilities(card);
5154 qeth_core_free_discipline(card);
5156 if (card->info.type == QETH_CARD_TYPE_OSN)
5157 qeth_core_remove_osn_attributes(dev);
5159 qeth_core_remove_device_attributes(dev);
5161 debug_unregister(card->debug);
5163 qeth_core_free_card(card);
5169 static void qeth_core_remove_device(struct ccwgroup_device *gdev)
5171 unsigned long flags;
5172 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5174 QETH_DBF_TEXT(SETUP, 2, "removedv");
5176 if (card->info.type == QETH_CARD_TYPE_OSN) {
5177 qeth_core_remove_osn_attributes(&gdev->dev);
5179 qeth_core_remove_device_attributes(&gdev->dev);
5182 if (card->discipline.ccwgdriver) {
5183 card->discipline.ccwgdriver->remove(gdev);
5184 qeth_core_free_discipline(card);
5187 debug_unregister(card->debug);
5188 write_lock_irqsave(&qeth_core_card_list.rwlock, flags);
5189 list_del(&card->list);
5190 write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);
5191 qeth_core_free_card(card);
5192 dev_set_drvdata(&gdev->dev, NULL);
5193 put_device(&gdev->dev);
5197 static int qeth_core_set_online(struct ccwgroup_device *gdev)
5199 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5203 if (!card->discipline.ccwgdriver) {
5204 if (card->info.type == QETH_CARD_TYPE_IQD)
5205 def_discipline = QETH_DISCIPLINE_LAYER3;
5207 def_discipline = QETH_DISCIPLINE_LAYER2;
5208 rc = qeth_core_load_discipline(card, def_discipline);
5211 rc = card->discipline.ccwgdriver->probe(card->gdev);
5215 rc = card->discipline.ccwgdriver->set_online(gdev);
5220 static int qeth_core_set_offline(struct ccwgroup_device *gdev)
5222 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5223 return card->discipline.ccwgdriver->set_offline(gdev);
5226 static void qeth_core_shutdown(struct ccwgroup_device *gdev)
5228 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5229 if (card->discipline.ccwgdriver &&
5230 card->discipline.ccwgdriver->shutdown)
5231 card->discipline.ccwgdriver->shutdown(gdev);
5234 static int qeth_core_prepare(struct ccwgroup_device *gdev)
5236 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5237 if (card->discipline.ccwgdriver &&
5238 card->discipline.ccwgdriver->prepare)
5239 return card->discipline.ccwgdriver->prepare(gdev);
5243 static void qeth_core_complete(struct ccwgroup_device *gdev)
5245 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5246 if (card->discipline.ccwgdriver &&
5247 card->discipline.ccwgdriver->complete)
5248 card->discipline.ccwgdriver->complete(gdev);
5251 static int qeth_core_freeze(struct ccwgroup_device *gdev)
5253 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5254 if (card->discipline.ccwgdriver &&
5255 card->discipline.ccwgdriver->freeze)
5256 return card->discipline.ccwgdriver->freeze(gdev);
5260 static int qeth_core_thaw(struct ccwgroup_device *gdev)
5262 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5263 if (card->discipline.ccwgdriver &&
5264 card->discipline.ccwgdriver->thaw)
5265 return card->discipline.ccwgdriver->thaw(gdev);
5269 static int qeth_core_restore(struct ccwgroup_device *gdev)
5271 struct qeth_card *card = dev_get_drvdata(&gdev->dev);
5272 if (card->discipline.ccwgdriver &&
5273 card->discipline.ccwgdriver->restore)
5274 return card->discipline.ccwgdriver->restore(gdev);
5278 static struct ccwgroup_driver qeth_core_ccwgroup_driver = {
5280 .owner = THIS_MODULE,
5283 .driver_id = 0xD8C5E3C8,
5284 .probe = qeth_core_probe_device,
5285 .remove = qeth_core_remove_device,
5286 .set_online = qeth_core_set_online,
5287 .set_offline = qeth_core_set_offline,
5288 .shutdown = qeth_core_shutdown,
5289 .prepare = qeth_core_prepare,
5290 .complete = qeth_core_complete,
5291 .freeze = qeth_core_freeze,
5292 .thaw = qeth_core_thaw,
5293 .restore = qeth_core_restore,
5297 qeth_core_driver_group_store(struct device_driver *ddrv, const char *buf,
5301 err = qeth_core_driver_group(buf, qeth_core_root_dev,
5302 qeth_core_ccwgroup_driver.driver_id);
5309 static DRIVER_ATTR(group, 0200, NULL, qeth_core_driver_group_store);
5312 const char str[ETH_GSTRING_LEN];
5313 } qeth_ethtool_stats_keys[] = {
5318 {"tx skbs no packing"},
5319 {"tx buffers no packing"},
5320 {"tx skbs packing"},
5321 {"tx buffers packing"},
5324 /* 10 */{"rx sg skbs"},
5326 {"rx sg page allocs"},
5327 {"tx large kbytes"},
5329 {"tx pk state ch n->p"},
5330 {"tx pk state ch p->n"},
5331 {"tx pk watermark low"},
5332 {"tx pk watermark high"},
5333 {"queue 0 buffer usage"},
5334 /* 20 */{"queue 1 buffer usage"},
5335 {"queue 2 buffer usage"},
5336 {"queue 3 buffer usage"},
5339 {"rx do_QDIO time"},
5340 {"rx do_QDIO count"},
5341 {"tx handler time"},
5342 {"tx handler count"},
5344 /* 30 */{"tx count"},
5345 {"tx do_QDIO time"},
5346 {"tx do_QDIO count"},
5349 {"cq handler count"},
5353 int qeth_core_get_sset_count(struct net_device *dev, int stringset)
5355 switch (stringset) {
5357 return (sizeof(qeth_ethtool_stats_keys) / ETH_GSTRING_LEN);
5362 EXPORT_SYMBOL_GPL(qeth_core_get_sset_count);
5364 void qeth_core_get_ethtool_stats(struct net_device *dev,
5365 struct ethtool_stats *stats, u64 *data)
5367 struct qeth_card *card = dev->ml_priv;
5368 data[0] = card->stats.rx_packets -
5369 card->perf_stats.initial_rx_packets;
5370 data[1] = card->perf_stats.bufs_rec;
5371 data[2] = card->stats.tx_packets -
5372 card->perf_stats.initial_tx_packets;
5373 data[3] = card->perf_stats.bufs_sent;
5374 data[4] = card->stats.tx_packets - card->perf_stats.initial_tx_packets
5375 - card->perf_stats.skbs_sent_pack;
5376 data[5] = card->perf_stats.bufs_sent - card->perf_stats.bufs_sent_pack;
5377 data[6] = card->perf_stats.skbs_sent_pack;
5378 data[7] = card->perf_stats.bufs_sent_pack;
5379 data[8] = card->perf_stats.sg_skbs_sent;
5380 data[9] = card->perf_stats.sg_frags_sent;
5381 data[10] = card->perf_stats.sg_skbs_rx;
5382 data[11] = card->perf_stats.sg_frags_rx;
5383 data[12] = card->perf_stats.sg_alloc_page_rx;
5384 data[13] = (card->perf_stats.large_send_bytes >> 10);
5385 data[14] = card->perf_stats.large_send_cnt;
5386 data[15] = card->perf_stats.sc_dp_p;
5387 data[16] = card->perf_stats.sc_p_dp;
5388 data[17] = QETH_LOW_WATERMARK_PACK;
5389 data[18] = QETH_HIGH_WATERMARK_PACK;
5390 data[19] = atomic_read(&card->qdio.out_qs[0]->used_buffers);
5391 data[20] = (card->qdio.no_out_queues > 1) ?
5392 atomic_read(&card->qdio.out_qs[1]->used_buffers) : 0;
5393 data[21] = (card->qdio.no_out_queues > 2) ?
5394 atomic_read(&card->qdio.out_qs[2]->used_buffers) : 0;
5395 data[22] = (card->qdio.no_out_queues > 3) ?
5396 atomic_read(&card->qdio.out_qs[3]->used_buffers) : 0;
5397 data[23] = card->perf_stats.inbound_time;
5398 data[24] = card->perf_stats.inbound_cnt;
5399 data[25] = card->perf_stats.inbound_do_qdio_time;
5400 data[26] = card->perf_stats.inbound_do_qdio_cnt;
5401 data[27] = card->perf_stats.outbound_handler_time;
5402 data[28] = card->perf_stats.outbound_handler_cnt;
5403 data[29] = card->perf_stats.outbound_time;
5404 data[30] = card->perf_stats.outbound_cnt;
5405 data[31] = card->perf_stats.outbound_do_qdio_time;
5406 data[32] = card->perf_stats.outbound_do_qdio_cnt;
5407 data[33] = card->perf_stats.tx_csum;
5408 data[34] = card->perf_stats.tx_lin;
5409 data[35] = card->perf_stats.cq_cnt;
5410 data[36] = card->perf_stats.cq_time;
5412 EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);
5414 void qeth_core_get_strings(struct net_device *dev, u32 stringset, u8 *data)
5416 switch (stringset) {
5418 memcpy(data, &qeth_ethtool_stats_keys,
5419 sizeof(qeth_ethtool_stats_keys));
5426 EXPORT_SYMBOL_GPL(qeth_core_get_strings);
5428 void qeth_core_get_drvinfo(struct net_device *dev,
5429 struct ethtool_drvinfo *info)
5431 struct qeth_card *card = dev->ml_priv;
5432 if (card->options.layer2)
5433 strcpy(info->driver, "qeth_l2");
5435 strcpy(info->driver, "qeth_l3");
5437 strcpy(info->version, "1.0");
5438 strcpy(info->fw_version, card->info.mcl_level);
5439 sprintf(info->bus_info, "%s/%s/%s",
5442 CARD_DDEV_ID(card));
5444 EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo);
5446 int qeth_core_ethtool_get_settings(struct net_device *netdev,
5447 struct ethtool_cmd *ecmd)
5449 struct qeth_card *card = netdev->ml_priv;
5450 enum qeth_link_types link_type;
5452 if ((card->info.type == QETH_CARD_TYPE_IQD) || (card->info.guestlan))
5453 link_type = QETH_LINK_TYPE_10GBIT_ETH;
5455 link_type = card->info.link_type;
5457 ecmd->transceiver = XCVR_INTERNAL;
5458 ecmd->supported = SUPPORTED_Autoneg;
5459 ecmd->advertising = ADVERTISED_Autoneg;
5460 ecmd->duplex = DUPLEX_FULL;
5461 ecmd->autoneg = AUTONEG_ENABLE;
5463 switch (link_type) {
5464 case QETH_LINK_TYPE_FAST_ETH:
5465 case QETH_LINK_TYPE_LANE_ETH100:
5466 ecmd->supported |= SUPPORTED_10baseT_Half |
5467 SUPPORTED_10baseT_Full |
5468 SUPPORTED_100baseT_Half |
5469 SUPPORTED_100baseT_Full |
5471 ecmd->advertising |= ADVERTISED_10baseT_Half |
5472 ADVERTISED_10baseT_Full |
5473 ADVERTISED_100baseT_Half |
5474 ADVERTISED_100baseT_Full |
5476 ecmd->speed = SPEED_100;
5477 ecmd->port = PORT_TP;
5480 case QETH_LINK_TYPE_GBIT_ETH:
5481 case QETH_LINK_TYPE_LANE_ETH1000:
5482 ecmd->supported |= SUPPORTED_10baseT_Half |
5483 SUPPORTED_10baseT_Full |
5484 SUPPORTED_100baseT_Half |
5485 SUPPORTED_100baseT_Full |
5486 SUPPORTED_1000baseT_Half |
5487 SUPPORTED_1000baseT_Full |
5489 ecmd->advertising |= ADVERTISED_10baseT_Half |
5490 ADVERTISED_10baseT_Full |
5491 ADVERTISED_100baseT_Half |
5492 ADVERTISED_100baseT_Full |
5493 ADVERTISED_1000baseT_Half |
5494 ADVERTISED_1000baseT_Full |
5496 ecmd->speed = SPEED_1000;
5497 ecmd->port = PORT_FIBRE;
5500 case QETH_LINK_TYPE_10GBIT_ETH:
5501 ecmd->supported |= SUPPORTED_10baseT_Half |
5502 SUPPORTED_10baseT_Full |
5503 SUPPORTED_100baseT_Half |
5504 SUPPORTED_100baseT_Full |
5505 SUPPORTED_1000baseT_Half |
5506 SUPPORTED_1000baseT_Full |
5507 SUPPORTED_10000baseT_Full |
5509 ecmd->advertising |= ADVERTISED_10baseT_Half |
5510 ADVERTISED_10baseT_Full |
5511 ADVERTISED_100baseT_Half |
5512 ADVERTISED_100baseT_Full |
5513 ADVERTISED_1000baseT_Half |
5514 ADVERTISED_1000baseT_Full |
5515 ADVERTISED_10000baseT_Full |
5517 ecmd->speed = SPEED_10000;
5518 ecmd->port = PORT_FIBRE;
5522 ecmd->supported |= SUPPORTED_10baseT_Half |
5523 SUPPORTED_10baseT_Full |
5525 ecmd->advertising |= ADVERTISED_10baseT_Half |
5526 ADVERTISED_10baseT_Full |
5528 ecmd->speed = SPEED_10;
5529 ecmd->port = PORT_TP;
5534 EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings);
5536 static int __init qeth_core_init(void)
5540 pr_info("loading core functions\n");
5541 INIT_LIST_HEAD(&qeth_core_card_list.list);
5542 rwlock_init(&qeth_core_card_list.rwlock);
5544 rc = qeth_register_dbf_views();
5547 rc = ccw_driver_register(&qeth_ccw_driver);
5550 rc = ccwgroup_driver_register(&qeth_core_ccwgroup_driver);
5553 rc = driver_create_file(&qeth_core_ccwgroup_driver.driver,
5554 &driver_attr_group);
5557 qeth_core_root_dev = root_device_register("qeth");
5558 rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0;
5562 qeth_core_header_cache = kmem_cache_create("qeth_hdr",
5563 sizeof(struct qeth_hdr) + ETH_HLEN, 64, 0, NULL);
5564 if (!qeth_core_header_cache) {
5569 qeth_qdio_outbuf_cache = kmem_cache_create("qeth_buf",
5570 sizeof(struct qeth_qdio_out_buffer), 0, 0, NULL);
5571 if (!qeth_qdio_outbuf_cache) {
5578 kmem_cache_destroy(qeth_core_header_cache);
5580 root_device_unregister(qeth_core_root_dev);
5582 driver_remove_file(&qeth_core_ccwgroup_driver.driver,
5583 &driver_attr_group);
5585 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver);
5587 ccw_driver_unregister(&qeth_ccw_driver);
5589 QETH_DBF_MESSAGE(2, "Initialization failed with code %d\n", rc);
5590 qeth_unregister_dbf_views();
5592 pr_err("Initializing the qeth device driver failed\n");
5596 static void __exit qeth_core_exit(void)
5598 root_device_unregister(qeth_core_root_dev);
5599 driver_remove_file(&qeth_core_ccwgroup_driver.driver,
5600 &driver_attr_group);
5601 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver);
5602 ccw_driver_unregister(&qeth_ccw_driver);
5603 kmem_cache_destroy(qeth_qdio_outbuf_cache);
5604 kmem_cache_destroy(qeth_core_header_cache);
5605 qeth_unregister_dbf_views();
5606 pr_info("core functions removed\n");
5609 module_init(qeth_core_init);
5610 module_exit(qeth_core_exit);
5611 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
5612 MODULE_DESCRIPTION("qeth core functions");
5613 MODULE_LICENSE("GPL");