2 * Copyright IBM Corp. 2007, 2009
3 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
4 * Frank Pavlic <fpavlic@de.ibm.com>,
5 * Thomas Spatzier <tspat@de.ibm.com>,
6 * Frank Blaschka <frank.blaschka@de.ibm.com>
9 #define KMSG_COMPONENT "qeth"
10 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/string.h>
15 #include <linux/errno.h>
16 #include <linux/kernel.h>
18 #include <linux/tcp.h>
19 #include <linux/mii.h>
20 #include <linux/kthread.h>
21 #include <linux/slab.h>
22 #include <net/iucv/af_iucv.h>
24 #include <asm/ebcdic.h>
26 #include <asm/sysinfo.h>
27 #include <asm/compat.h>
29 #include "qeth_core.h"
31 struct qeth_dbf_info qeth_dbf
[QETH_DBF_INFOS
] = {
32 /* define dbf - Name, Pages, Areas, Maxlen, Level, View, Handle */
34 [QETH_DBF_SETUP
] = {"qeth_setup",
35 8, 1, 8, 5, &debug_hex_ascii_view
, NULL
},
36 [QETH_DBF_MSG
] = {"qeth_msg",
37 8, 1, 128, 3, &debug_sprintf_view
, NULL
},
38 [QETH_DBF_CTRL
] = {"qeth_control",
39 8, 1, QETH_DBF_CTRL_LEN
, 5, &debug_hex_ascii_view
, NULL
},
41 EXPORT_SYMBOL_GPL(qeth_dbf
);
43 struct qeth_card_list_struct qeth_core_card_list
;
44 EXPORT_SYMBOL_GPL(qeth_core_card_list
);
45 struct kmem_cache
*qeth_core_header_cache
;
46 EXPORT_SYMBOL_GPL(qeth_core_header_cache
);
47 static struct kmem_cache
*qeth_qdio_outbuf_cache
;
49 static struct device
*qeth_core_root_dev
;
50 static unsigned int known_devices
[][6] = QETH_MODELLIST_ARRAY
;
51 static struct lock_class_key qdio_out_skb_queue_key
;
52 static struct mutex qeth_mod_mutex
;
54 static void qeth_send_control_data_cb(struct qeth_channel
*,
55 struct qeth_cmd_buffer
*);
56 static int qeth_issue_next_read(struct qeth_card
*);
57 static struct qeth_cmd_buffer
*qeth_get_buffer(struct qeth_channel
*);
58 static void qeth_setup_ccw(struct qeth_channel
*, unsigned char *, __u32
);
59 static void qeth_free_buffer_pool(struct qeth_card
*);
60 static int qeth_qdio_establish(struct qeth_card
*);
61 static void qeth_free_qdio_buffers(struct qeth_card
*);
62 static void qeth_notify_skbs(struct qeth_qdio_out_q
*queue
,
63 struct qeth_qdio_out_buffer
*buf
,
64 enum iucv_tx_notify notification
);
65 static void qeth_release_skbs(struct qeth_qdio_out_buffer
*buf
);
66 static void qeth_clear_output_buffer(struct qeth_qdio_out_q
*queue
,
67 struct qeth_qdio_out_buffer
*buf
,
68 enum qeth_qdio_buffer_states newbufstate
);
69 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q
*, int);
71 static struct workqueue_struct
*qeth_wq
;
73 static void qeth_close_dev_handler(struct work_struct
*work
)
75 struct qeth_card
*card
;
77 card
= container_of(work
, struct qeth_card
, close_dev_work
);
78 QETH_CARD_TEXT(card
, 2, "cldevhdl");
82 ccwgroup_set_offline(card
->gdev
);
85 void qeth_close_dev(struct qeth_card
*card
)
87 QETH_CARD_TEXT(card
, 2, "cldevsubm");
88 queue_work(qeth_wq
, &card
->close_dev_work
);
90 EXPORT_SYMBOL_GPL(qeth_close_dev
);
92 static inline const char *qeth_get_cardname(struct qeth_card
*card
)
94 if (card
->info
.guestlan
) {
95 switch (card
->info
.type
) {
96 case QETH_CARD_TYPE_OSD
:
97 return " Virtual NIC QDIO";
98 case QETH_CARD_TYPE_IQD
:
99 return " Virtual NIC Hiper";
100 case QETH_CARD_TYPE_OSM
:
101 return " Virtual NIC QDIO - OSM";
102 case QETH_CARD_TYPE_OSX
:
103 return " Virtual NIC QDIO - OSX";
108 switch (card
->info
.type
) {
109 case QETH_CARD_TYPE_OSD
:
110 return " OSD Express";
111 case QETH_CARD_TYPE_IQD
:
112 return " HiperSockets";
113 case QETH_CARD_TYPE_OSN
:
115 case QETH_CARD_TYPE_OSM
:
117 case QETH_CARD_TYPE_OSX
:
126 /* max length to be returned: 14 */
127 const char *qeth_get_cardname_short(struct qeth_card
*card
)
129 if (card
->info
.guestlan
) {
130 switch (card
->info
.type
) {
131 case QETH_CARD_TYPE_OSD
:
132 return "Virt.NIC QDIO";
133 case QETH_CARD_TYPE_IQD
:
134 return "Virt.NIC Hiper";
135 case QETH_CARD_TYPE_OSM
:
136 return "Virt.NIC OSM";
137 case QETH_CARD_TYPE_OSX
:
138 return "Virt.NIC OSX";
143 switch (card
->info
.type
) {
144 case QETH_CARD_TYPE_OSD
:
145 switch (card
->info
.link_type
) {
146 case QETH_LINK_TYPE_FAST_ETH
:
148 case QETH_LINK_TYPE_HSTR
:
150 case QETH_LINK_TYPE_GBIT_ETH
:
152 case QETH_LINK_TYPE_10GBIT_ETH
:
154 case QETH_LINK_TYPE_LANE_ETH100
:
155 return "OSD_FE_LANE";
156 case QETH_LINK_TYPE_LANE_TR
:
157 return "OSD_TR_LANE";
158 case QETH_LINK_TYPE_LANE_ETH1000
:
159 return "OSD_GbE_LANE";
160 case QETH_LINK_TYPE_LANE
:
161 return "OSD_ATM_LANE";
163 return "OSD_Express";
165 case QETH_CARD_TYPE_IQD
:
166 return "HiperSockets";
167 case QETH_CARD_TYPE_OSN
:
169 case QETH_CARD_TYPE_OSM
:
171 case QETH_CARD_TYPE_OSX
:
180 void qeth_set_allowed_threads(struct qeth_card
*card
, unsigned long threads
,
181 int clear_start_mask
)
185 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
186 card
->thread_allowed_mask
= threads
;
187 if (clear_start_mask
)
188 card
->thread_start_mask
&= threads
;
189 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
190 wake_up(&card
->wait_q
);
192 EXPORT_SYMBOL_GPL(qeth_set_allowed_threads
);
194 int qeth_threads_running(struct qeth_card
*card
, unsigned long threads
)
199 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
200 rc
= (card
->thread_running_mask
& threads
);
201 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
204 EXPORT_SYMBOL_GPL(qeth_threads_running
);
206 int qeth_wait_for_threads(struct qeth_card
*card
, unsigned long threads
)
208 return wait_event_interruptible(card
->wait_q
,
209 qeth_threads_running(card
, threads
) == 0);
211 EXPORT_SYMBOL_GPL(qeth_wait_for_threads
);
213 void qeth_clear_working_pool_list(struct qeth_card
*card
)
215 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
217 QETH_CARD_TEXT(card
, 5, "clwrklst");
218 list_for_each_entry_safe(pool_entry
, tmp
,
219 &card
->qdio
.in_buf_pool
.entry_list
, list
){
220 list_del(&pool_entry
->list
);
223 EXPORT_SYMBOL_GPL(qeth_clear_working_pool_list
);
225 static int qeth_alloc_buffer_pool(struct qeth_card
*card
)
227 struct qeth_buffer_pool_entry
*pool_entry
;
231 QETH_CARD_TEXT(card
, 5, "alocpool");
232 for (i
= 0; i
< card
->qdio
.init_pool
.buf_count
; ++i
) {
233 pool_entry
= kzalloc(sizeof(*pool_entry
), GFP_KERNEL
);
235 qeth_free_buffer_pool(card
);
238 for (j
= 0; j
< QETH_MAX_BUFFER_ELEMENTS(card
); ++j
) {
239 ptr
= (void *) __get_free_page(GFP_KERNEL
);
242 free_page((unsigned long)
243 pool_entry
->elements
[--j
]);
245 qeth_free_buffer_pool(card
);
248 pool_entry
->elements
[j
] = ptr
;
250 list_add(&pool_entry
->init_list
,
251 &card
->qdio
.init_pool
.entry_list
);
256 int qeth_realloc_buffer_pool(struct qeth_card
*card
, int bufcnt
)
258 QETH_CARD_TEXT(card
, 2, "realcbp");
260 if ((card
->state
!= CARD_STATE_DOWN
) &&
261 (card
->state
!= CARD_STATE_RECOVER
))
264 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
265 qeth_clear_working_pool_list(card
);
266 qeth_free_buffer_pool(card
);
267 card
->qdio
.in_buf_pool
.buf_count
= bufcnt
;
268 card
->qdio
.init_pool
.buf_count
= bufcnt
;
269 return qeth_alloc_buffer_pool(card
);
271 EXPORT_SYMBOL_GPL(qeth_realloc_buffer_pool
);
273 static inline int qeth_cq_init(struct qeth_card
*card
)
277 if (card
->options
.cq
== QETH_CQ_ENABLED
) {
278 QETH_DBF_TEXT(SETUP
, 2, "cqinit");
279 memset(card
->qdio
.c_q
->qdio_bufs
, 0,
280 QDIO_MAX_BUFFERS_PER_Q
* sizeof(struct qdio_buffer
));
281 card
->qdio
.c_q
->next_buf_to_init
= 127;
282 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
,
283 card
->qdio
.no_in_queues
- 1, 0,
286 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
295 static inline int qeth_alloc_cq(struct qeth_card
*card
)
299 if (card
->options
.cq
== QETH_CQ_ENABLED
) {
301 struct qdio_outbuf_state
*outbuf_states
;
303 QETH_DBF_TEXT(SETUP
, 2, "cqon");
304 card
->qdio
.c_q
= kzalloc(sizeof(struct qeth_qdio_q
),
306 if (!card
->qdio
.c_q
) {
310 QETH_DBF_HEX(SETUP
, 2, &card
->qdio
.c_q
, sizeof(void *));
312 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
) {
313 card
->qdio
.c_q
->bufs
[i
].buffer
=
314 &card
->qdio
.c_q
->qdio_bufs
[i
];
317 card
->qdio
.no_in_queues
= 2;
319 card
->qdio
.out_bufstates
= (struct qdio_outbuf_state
*)
320 kzalloc(card
->qdio
.no_out_queues
*
321 QDIO_MAX_BUFFERS_PER_Q
*
322 sizeof(struct qdio_outbuf_state
), GFP_KERNEL
);
323 outbuf_states
= card
->qdio
.out_bufstates
;
324 if (outbuf_states
== NULL
) {
328 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
329 card
->qdio
.out_qs
[i
]->bufstates
= outbuf_states
;
330 outbuf_states
+= QDIO_MAX_BUFFERS_PER_Q
;
333 QETH_DBF_TEXT(SETUP
, 2, "nocq");
334 card
->qdio
.c_q
= NULL
;
335 card
->qdio
.no_in_queues
= 1;
337 QETH_DBF_TEXT_(SETUP
, 2, "iqc%d", card
->qdio
.no_in_queues
);
342 kfree(card
->qdio
.c_q
);
343 card
->qdio
.c_q
= NULL
;
345 dev_err(&card
->gdev
->dev
, "Failed to create completion queue\n");
349 static inline void qeth_free_cq(struct qeth_card
*card
)
351 if (card
->qdio
.c_q
) {
352 --card
->qdio
.no_in_queues
;
353 kfree(card
->qdio
.c_q
);
354 card
->qdio
.c_q
= NULL
;
356 kfree(card
->qdio
.out_bufstates
);
357 card
->qdio
.out_bufstates
= NULL
;
360 static inline enum iucv_tx_notify
qeth_compute_cq_notification(int sbalf15
,
362 enum iucv_tx_notify n
;
366 n
= delayed
? TX_NOTIFY_DELAYED_OK
: TX_NOTIFY_OK
;
372 n
= delayed
? TX_NOTIFY_DELAYED_UNREACHABLE
:
373 TX_NOTIFY_UNREACHABLE
;
376 n
= delayed
? TX_NOTIFY_DELAYED_GENERALERROR
:
377 TX_NOTIFY_GENERALERROR
;
384 static inline void qeth_cleanup_handled_pending(struct qeth_qdio_out_q
*q
,
385 int bidx
, int forced_cleanup
)
387 if (q
->card
->options
.cq
!= QETH_CQ_ENABLED
)
390 if (q
->bufs
[bidx
]->next_pending
!= NULL
) {
391 struct qeth_qdio_out_buffer
*head
= q
->bufs
[bidx
];
392 struct qeth_qdio_out_buffer
*c
= q
->bufs
[bidx
]->next_pending
;
395 if (forced_cleanup
||
396 atomic_read(&c
->state
) ==
397 QETH_QDIO_BUF_HANDLED_DELAYED
) {
398 struct qeth_qdio_out_buffer
*f
= c
;
399 QETH_CARD_TEXT(f
->q
->card
, 5, "fp");
400 QETH_CARD_TEXT_(f
->q
->card
, 5, "%lx", (long) f
);
401 /* release here to avoid interleaving between
402 outbound tasklet and inbound tasklet
403 regarding notifications and lifecycle */
404 qeth_release_skbs(c
);
407 WARN_ON_ONCE(head
->next_pending
!= f
);
408 head
->next_pending
= c
;
409 kmem_cache_free(qeth_qdio_outbuf_cache
, f
);
417 if (forced_cleanup
&& (atomic_read(&(q
->bufs
[bidx
]->state
)) ==
418 QETH_QDIO_BUF_HANDLED_DELAYED
)) {
419 /* for recovery situations */
420 q
->bufs
[bidx
]->aob
= q
->bufstates
[bidx
].aob
;
421 qeth_init_qdio_out_buf(q
, bidx
);
422 QETH_CARD_TEXT(q
->card
, 2, "clprecov");
427 static inline void qeth_qdio_handle_aob(struct qeth_card
*card
,
428 unsigned long phys_aob_addr
) {
430 struct qeth_qdio_out_buffer
*buffer
;
431 enum iucv_tx_notify notification
;
433 aob
= (struct qaob
*) phys_to_virt(phys_aob_addr
);
434 QETH_CARD_TEXT(card
, 5, "haob");
435 QETH_CARD_TEXT_(card
, 5, "%lx", phys_aob_addr
);
436 buffer
= (struct qeth_qdio_out_buffer
*) aob
->user1
;
437 QETH_CARD_TEXT_(card
, 5, "%lx", aob
->user1
);
439 if (atomic_cmpxchg(&buffer
->state
, QETH_QDIO_BUF_PRIMED
,
440 QETH_QDIO_BUF_IN_CQ
) == QETH_QDIO_BUF_PRIMED
) {
441 notification
= TX_NOTIFY_OK
;
443 WARN_ON_ONCE(atomic_read(&buffer
->state
) !=
444 QETH_QDIO_BUF_PENDING
);
445 atomic_set(&buffer
->state
, QETH_QDIO_BUF_IN_CQ
);
446 notification
= TX_NOTIFY_DELAYED_OK
;
449 if (aob
->aorc
!= 0) {
450 QETH_CARD_TEXT_(card
, 2, "aorc%02X", aob
->aorc
);
451 notification
= qeth_compute_cq_notification(aob
->aorc
, 1);
453 qeth_notify_skbs(buffer
->q
, buffer
, notification
);
456 qeth_clear_output_buffer(buffer
->q
, buffer
,
457 QETH_QDIO_BUF_HANDLED_DELAYED
);
459 /* from here on: do not touch buffer anymore */
460 qdio_release_aob(aob
);
463 static inline int qeth_is_cq(struct qeth_card
*card
, unsigned int queue
)
465 return card
->options
.cq
== QETH_CQ_ENABLED
&&
466 card
->qdio
.c_q
!= NULL
&&
468 queue
== card
->qdio
.no_in_queues
- 1;
472 static int qeth_issue_next_read(struct qeth_card
*card
)
475 struct qeth_cmd_buffer
*iob
;
477 QETH_CARD_TEXT(card
, 5, "issnxrd");
478 if (card
->read
.state
!= CH_STATE_UP
)
480 iob
= qeth_get_buffer(&card
->read
);
482 dev_warn(&card
->gdev
->dev
, "The qeth device driver "
483 "failed to recover an error on the device\n");
484 QETH_DBF_MESSAGE(2, "%s issue_next_read failed: no iob "
485 "available\n", dev_name(&card
->gdev
->dev
));
488 qeth_setup_ccw(&card
->read
, iob
->data
, QETH_BUFSIZE
);
489 QETH_CARD_TEXT(card
, 6, "noirqpnd");
490 rc
= ccw_device_start(card
->read
.ccwdev
, &card
->read
.ccw
,
493 QETH_DBF_MESSAGE(2, "%s error in starting next read ccw! "
494 "rc=%i\n", dev_name(&card
->gdev
->dev
), rc
);
495 atomic_set(&card
->read
.irq_pending
, 0);
496 card
->read_or_write_problem
= 1;
497 qeth_schedule_recovery(card
);
498 wake_up(&card
->wait_q
);
503 static struct qeth_reply
*qeth_alloc_reply(struct qeth_card
*card
)
505 struct qeth_reply
*reply
;
507 reply
= kzalloc(sizeof(struct qeth_reply
), GFP_ATOMIC
);
509 atomic_set(&reply
->refcnt
, 1);
510 atomic_set(&reply
->received
, 0);
516 static void qeth_get_reply(struct qeth_reply
*reply
)
518 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
519 atomic_inc(&reply
->refcnt
);
522 static void qeth_put_reply(struct qeth_reply
*reply
)
524 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
525 if (atomic_dec_and_test(&reply
->refcnt
))
529 static void qeth_issue_ipa_msg(struct qeth_ipa_cmd
*cmd
, int rc
,
530 struct qeth_card
*card
)
533 int com
= cmd
->hdr
.command
;
534 ipa_name
= qeth_get_ipa_cmd_name(com
);
536 QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s/%s returned "
538 ipa_name
, com
, dev_name(&card
->gdev
->dev
),
539 QETH_CARD_IFNAME(card
), rc
,
540 qeth_get_ipa_msg(rc
));
542 QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s/%s succeeded\n",
543 ipa_name
, com
, dev_name(&card
->gdev
->dev
),
544 QETH_CARD_IFNAME(card
));
547 static struct qeth_ipa_cmd
*qeth_check_ipa_data(struct qeth_card
*card
,
548 struct qeth_cmd_buffer
*iob
)
550 struct qeth_ipa_cmd
*cmd
= NULL
;
552 QETH_CARD_TEXT(card
, 5, "chkipad");
553 if (IS_IPA(iob
->data
)) {
554 cmd
= (struct qeth_ipa_cmd
*) PDU_ENCAPSULATION(iob
->data
);
555 if (IS_IPA_REPLY(cmd
)) {
556 if (cmd
->hdr
.command
!= IPA_CMD_SETCCID
&&
557 cmd
->hdr
.command
!= IPA_CMD_DELCCID
&&
558 cmd
->hdr
.command
!= IPA_CMD_MODCCID
&&
559 cmd
->hdr
.command
!= IPA_CMD_SET_DIAG_ASS
)
560 qeth_issue_ipa_msg(cmd
,
561 cmd
->hdr
.return_code
, card
);
564 switch (cmd
->hdr
.command
) {
565 case IPA_CMD_STOPLAN
:
566 if (cmd
->hdr
.return_code
==
567 IPA_RC_VEPA_TO_VEB_TRANSITION
) {
568 dev_err(&card
->gdev
->dev
,
569 "Interface %s is down because the "
570 "adjacent port is no longer in "
571 "reflective relay mode\n",
572 QETH_CARD_IFNAME(card
));
573 qeth_close_dev(card
);
575 dev_warn(&card
->gdev
->dev
,
576 "The link for interface %s on CHPID"
578 QETH_CARD_IFNAME(card
),
580 qeth_issue_ipa_msg(cmd
,
581 cmd
->hdr
.return_code
, card
);
583 card
->lan_online
= 0;
584 if (card
->dev
&& netif_carrier_ok(card
->dev
))
585 netif_carrier_off(card
->dev
);
587 case IPA_CMD_STARTLAN
:
588 dev_info(&card
->gdev
->dev
,
589 "The link for %s on CHPID 0x%X has"
591 QETH_CARD_IFNAME(card
),
593 netif_carrier_on(card
->dev
);
594 card
->lan_online
= 1;
595 if (card
->info
.hwtrap
)
596 card
->info
.hwtrap
= 2;
597 qeth_schedule_recovery(card
);
599 case IPA_CMD_MODCCID
:
601 case IPA_CMD_REGISTER_LOCAL_ADDR
:
602 QETH_CARD_TEXT(card
, 3, "irla");
604 case IPA_CMD_UNREGISTER_LOCAL_ADDR
:
605 QETH_CARD_TEXT(card
, 3, "urla");
608 QETH_DBF_MESSAGE(2, "Received data is IPA "
609 "but not a reply!\n");
617 void qeth_clear_ipacmd_list(struct qeth_card
*card
)
619 struct qeth_reply
*reply
, *r
;
622 QETH_CARD_TEXT(card
, 4, "clipalst");
624 spin_lock_irqsave(&card
->lock
, flags
);
625 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
626 qeth_get_reply(reply
);
628 atomic_inc(&reply
->received
);
629 list_del_init(&reply
->list
);
630 wake_up(&reply
->wait_q
);
631 qeth_put_reply(reply
);
633 spin_unlock_irqrestore(&card
->lock
, flags
);
634 atomic_set(&card
->write
.irq_pending
, 0);
636 EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list
);
638 static int qeth_check_idx_response(struct qeth_card
*card
,
639 unsigned char *buffer
)
644 QETH_DBF_HEX(CTRL
, 2, buffer
, QETH_DBF_CTRL_LEN
);
645 if ((buffer
[2] & 0xc0) == 0xc0) {
646 QETH_DBF_MESSAGE(2, "received an IDX TERMINATE "
647 "with cause code 0x%02x%s\n",
649 ((buffer
[4] == 0x22) ?
650 " -- try another portname" : ""));
651 QETH_CARD_TEXT(card
, 2, "ckidxres");
652 QETH_CARD_TEXT(card
, 2, " idxterm");
653 QETH_CARD_TEXT_(card
, 2, " rc%d", -EIO
);
654 if (buffer
[4] == 0xf6) {
655 dev_err(&card
->gdev
->dev
,
656 "The qeth device is not configured "
657 "for the OSI layer required by z/VM\n");
665 static void qeth_setup_ccw(struct qeth_channel
*channel
, unsigned char *iob
,
668 struct qeth_card
*card
;
670 card
= CARD_FROM_CDEV(channel
->ccwdev
);
671 QETH_CARD_TEXT(card
, 4, "setupccw");
672 if (channel
== &card
->read
)
673 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
675 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
676 channel
->ccw
.count
= len
;
677 channel
->ccw
.cda
= (__u32
) __pa(iob
);
680 static struct qeth_cmd_buffer
*__qeth_get_buffer(struct qeth_channel
*channel
)
684 QETH_CARD_TEXT(CARD_FROM_CDEV(channel
->ccwdev
), 6, "getbuff");
685 index
= channel
->io_buf_no
;
687 if (channel
->iob
[index
].state
== BUF_STATE_FREE
) {
688 channel
->iob
[index
].state
= BUF_STATE_LOCKED
;
689 channel
->io_buf_no
= (channel
->io_buf_no
+ 1) %
691 memset(channel
->iob
[index
].data
, 0, QETH_BUFSIZE
);
692 return channel
->iob
+ index
;
694 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
695 } while (index
!= channel
->io_buf_no
);
700 void qeth_release_buffer(struct qeth_channel
*channel
,
701 struct qeth_cmd_buffer
*iob
)
705 QETH_CARD_TEXT(CARD_FROM_CDEV(channel
->ccwdev
), 6, "relbuff");
706 spin_lock_irqsave(&channel
->iob_lock
, flags
);
707 memset(iob
->data
, 0, QETH_BUFSIZE
);
708 iob
->state
= BUF_STATE_FREE
;
709 iob
->callback
= qeth_send_control_data_cb
;
711 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
712 wake_up(&channel
->wait_q
);
714 EXPORT_SYMBOL_GPL(qeth_release_buffer
);
716 static struct qeth_cmd_buffer
*qeth_get_buffer(struct qeth_channel
*channel
)
718 struct qeth_cmd_buffer
*buffer
= NULL
;
721 spin_lock_irqsave(&channel
->iob_lock
, flags
);
722 buffer
= __qeth_get_buffer(channel
);
723 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
727 struct qeth_cmd_buffer
*qeth_wait_for_buffer(struct qeth_channel
*channel
)
729 struct qeth_cmd_buffer
*buffer
;
730 wait_event(channel
->wait_q
,
731 ((buffer
= qeth_get_buffer(channel
)) != NULL
));
734 EXPORT_SYMBOL_GPL(qeth_wait_for_buffer
);
736 void qeth_clear_cmd_buffers(struct qeth_channel
*channel
)
740 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++)
741 qeth_release_buffer(channel
, &channel
->iob
[cnt
]);
743 channel
->io_buf_no
= 0;
745 EXPORT_SYMBOL_GPL(qeth_clear_cmd_buffers
);
747 static void qeth_send_control_data_cb(struct qeth_channel
*channel
,
748 struct qeth_cmd_buffer
*iob
)
750 struct qeth_card
*card
;
751 struct qeth_reply
*reply
, *r
;
752 struct qeth_ipa_cmd
*cmd
;
757 card
= CARD_FROM_CDEV(channel
->ccwdev
);
758 QETH_CARD_TEXT(card
, 4, "sndctlcb");
759 rc
= qeth_check_idx_response(card
, iob
->data
);
764 qeth_clear_ipacmd_list(card
);
765 qeth_schedule_recovery(card
);
771 cmd
= qeth_check_ipa_data(card
, iob
);
772 if ((cmd
== NULL
) && (card
->state
!= CARD_STATE_DOWN
))
774 /*in case of OSN : check if cmd is set */
775 if (card
->info
.type
== QETH_CARD_TYPE_OSN
&&
777 cmd
->hdr
.command
!= IPA_CMD_STARTLAN
&&
778 card
->osn_info
.assist_cb
!= NULL
) {
779 card
->osn_info
.assist_cb(card
->dev
, cmd
);
783 spin_lock_irqsave(&card
->lock
, flags
);
784 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
785 if ((reply
->seqno
== QETH_IDX_COMMAND_SEQNO
) ||
786 ((cmd
) && (reply
->seqno
== cmd
->hdr
.seqno
))) {
787 qeth_get_reply(reply
);
788 list_del_init(&reply
->list
);
789 spin_unlock_irqrestore(&card
->lock
, flags
);
791 if (reply
->callback
!= NULL
) {
793 reply
->offset
= (__u16
)((char *)cmd
-
795 keep_reply
= reply
->callback(card
,
799 keep_reply
= reply
->callback(card
,
804 reply
->rc
= (u16
) cmd
->hdr
.return_code
;
808 spin_lock_irqsave(&card
->lock
, flags
);
809 list_add_tail(&reply
->list
,
810 &card
->cmd_waiter_list
);
811 spin_unlock_irqrestore(&card
->lock
, flags
);
813 atomic_inc(&reply
->received
);
814 wake_up(&reply
->wait_q
);
816 qeth_put_reply(reply
);
820 spin_unlock_irqrestore(&card
->lock
, flags
);
822 memcpy(&card
->seqno
.pdu_hdr_ack
,
823 QETH_PDU_HEADER_SEQ_NO(iob
->data
),
825 qeth_release_buffer(channel
, iob
);
828 static int qeth_setup_channel(struct qeth_channel
*channel
)
832 QETH_DBF_TEXT(SETUP
, 2, "setupch");
833 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++) {
834 channel
->iob
[cnt
].data
=
835 kzalloc(QETH_BUFSIZE
, GFP_DMA
|GFP_KERNEL
);
836 if (channel
->iob
[cnt
].data
== NULL
)
838 channel
->iob
[cnt
].state
= BUF_STATE_FREE
;
839 channel
->iob
[cnt
].channel
= channel
;
840 channel
->iob
[cnt
].callback
= qeth_send_control_data_cb
;
841 channel
->iob
[cnt
].rc
= 0;
843 if (cnt
< QETH_CMD_BUFFER_NO
) {
845 kfree(channel
->iob
[cnt
].data
);
849 channel
->io_buf_no
= 0;
850 atomic_set(&channel
->irq_pending
, 0);
851 spin_lock_init(&channel
->iob_lock
);
853 init_waitqueue_head(&channel
->wait_q
);
857 static int qeth_set_thread_start_bit(struct qeth_card
*card
,
858 unsigned long thread
)
862 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
863 if (!(card
->thread_allowed_mask
& thread
) ||
864 (card
->thread_start_mask
& thread
)) {
865 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
868 card
->thread_start_mask
|= thread
;
869 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
873 void qeth_clear_thread_start_bit(struct qeth_card
*card
, unsigned long thread
)
877 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
878 card
->thread_start_mask
&= ~thread
;
879 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
880 wake_up(&card
->wait_q
);
882 EXPORT_SYMBOL_GPL(qeth_clear_thread_start_bit
);
884 void qeth_clear_thread_running_bit(struct qeth_card
*card
, unsigned long thread
)
888 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
889 card
->thread_running_mask
&= ~thread
;
890 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
891 wake_up(&card
->wait_q
);
893 EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit
);
895 static int __qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
900 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
901 if (card
->thread_start_mask
& thread
) {
902 if ((card
->thread_allowed_mask
& thread
) &&
903 !(card
->thread_running_mask
& thread
)) {
905 card
->thread_start_mask
&= ~thread
;
906 card
->thread_running_mask
|= thread
;
910 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
914 int qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
918 wait_event(card
->wait_q
,
919 (rc
= __qeth_do_run_thread(card
, thread
)) >= 0);
922 EXPORT_SYMBOL_GPL(qeth_do_run_thread
);
924 void qeth_schedule_recovery(struct qeth_card
*card
)
926 QETH_CARD_TEXT(card
, 2, "startrec");
927 if (qeth_set_thread_start_bit(card
, QETH_RECOVER_THREAD
) == 0)
928 schedule_work(&card
->kernel_thread_starter
);
930 EXPORT_SYMBOL_GPL(qeth_schedule_recovery
);
932 static int qeth_get_problem(struct ccw_device
*cdev
, struct irb
*irb
)
936 struct qeth_card
*card
;
938 sense
= (char *) irb
->ecw
;
939 cstat
= irb
->scsw
.cmd
.cstat
;
940 dstat
= irb
->scsw
.cmd
.dstat
;
941 card
= CARD_FROM_CDEV(cdev
);
943 if (cstat
& (SCHN_STAT_CHN_CTRL_CHK
| SCHN_STAT_INTF_CTRL_CHK
|
944 SCHN_STAT_CHN_DATA_CHK
| SCHN_STAT_CHAIN_CHECK
|
945 SCHN_STAT_PROT_CHECK
| SCHN_STAT_PROG_CHECK
)) {
946 QETH_CARD_TEXT(card
, 2, "CGENCHK");
947 dev_warn(&cdev
->dev
, "The qeth device driver "
948 "failed to recover an error on the device\n");
949 QETH_DBF_MESSAGE(2, "%s check on device dstat=x%x, cstat=x%x\n",
950 dev_name(&cdev
->dev
), dstat
, cstat
);
951 print_hex_dump(KERN_WARNING
, "qeth: irb ", DUMP_PREFIX_OFFSET
,
956 if (dstat
& DEV_STAT_UNIT_CHECK
) {
957 if (sense
[SENSE_RESETTING_EVENT_BYTE
] &
958 SENSE_RESETTING_EVENT_FLAG
) {
959 QETH_CARD_TEXT(card
, 2, "REVIND");
962 if (sense
[SENSE_COMMAND_REJECT_BYTE
] &
963 SENSE_COMMAND_REJECT_FLAG
) {
964 QETH_CARD_TEXT(card
, 2, "CMDREJi");
967 if ((sense
[2] == 0xaf) && (sense
[3] == 0xfe)) {
968 QETH_CARD_TEXT(card
, 2, "AFFE");
971 if ((!sense
[0]) && (!sense
[1]) && (!sense
[2]) && (!sense
[3])) {
972 QETH_CARD_TEXT(card
, 2, "ZEROSEN");
975 QETH_CARD_TEXT(card
, 2, "DGENCHK");
981 static long __qeth_check_irb_error(struct ccw_device
*cdev
,
982 unsigned long intparm
, struct irb
*irb
)
984 struct qeth_card
*card
;
986 card
= CARD_FROM_CDEV(cdev
);
991 switch (PTR_ERR(irb
)) {
993 QETH_DBF_MESSAGE(2, "%s i/o-error on device\n",
994 dev_name(&cdev
->dev
));
995 QETH_CARD_TEXT(card
, 2, "ckirberr");
996 QETH_CARD_TEXT_(card
, 2, " rc%d", -EIO
);
999 dev_warn(&cdev
->dev
, "A hardware operation timed out"
1000 " on the device\n");
1001 QETH_CARD_TEXT(card
, 2, "ckirberr");
1002 QETH_CARD_TEXT_(card
, 2, " rc%d", -ETIMEDOUT
);
1003 if (intparm
== QETH_RCD_PARM
) {
1004 if (card
&& (card
->data
.ccwdev
== cdev
)) {
1005 card
->data
.state
= CH_STATE_DOWN
;
1006 wake_up(&card
->wait_q
);
1011 QETH_DBF_MESSAGE(2, "%s unknown error %ld on device\n",
1012 dev_name(&cdev
->dev
), PTR_ERR(irb
));
1013 QETH_CARD_TEXT(card
, 2, "ckirberr");
1014 QETH_CARD_TEXT(card
, 2, " rc???");
1016 return PTR_ERR(irb
);
1019 static void qeth_irq(struct ccw_device
*cdev
, unsigned long intparm
,
1024 struct qeth_cmd_buffer
*buffer
;
1025 struct qeth_channel
*channel
;
1026 struct qeth_card
*card
;
1027 struct qeth_cmd_buffer
*iob
;
1030 if (__qeth_check_irb_error(cdev
, intparm
, irb
))
1032 cstat
= irb
->scsw
.cmd
.cstat
;
1033 dstat
= irb
->scsw
.cmd
.dstat
;
1035 card
= CARD_FROM_CDEV(cdev
);
1039 QETH_CARD_TEXT(card
, 5, "irq");
1041 if (card
->read
.ccwdev
== cdev
) {
1042 channel
= &card
->read
;
1043 QETH_CARD_TEXT(card
, 5, "read");
1044 } else if (card
->write
.ccwdev
== cdev
) {
1045 channel
= &card
->write
;
1046 QETH_CARD_TEXT(card
, 5, "write");
1048 channel
= &card
->data
;
1049 QETH_CARD_TEXT(card
, 5, "data");
1051 atomic_set(&channel
->irq_pending
, 0);
1053 if (irb
->scsw
.cmd
.fctl
& (SCSW_FCTL_CLEAR_FUNC
))
1054 channel
->state
= CH_STATE_STOPPED
;
1056 if (irb
->scsw
.cmd
.fctl
& (SCSW_FCTL_HALT_FUNC
))
1057 channel
->state
= CH_STATE_HALTED
;
1059 /*let's wake up immediately on data channel*/
1060 if ((channel
== &card
->data
) && (intparm
!= 0) &&
1061 (intparm
!= QETH_RCD_PARM
))
1064 if (intparm
== QETH_CLEAR_CHANNEL_PARM
) {
1065 QETH_CARD_TEXT(card
, 6, "clrchpar");
1066 /* we don't have to handle this further */
1069 if (intparm
== QETH_HALT_CHANNEL_PARM
) {
1070 QETH_CARD_TEXT(card
, 6, "hltchpar");
1071 /* we don't have to handle this further */
1074 if ((dstat
& DEV_STAT_UNIT_EXCEP
) ||
1075 (dstat
& DEV_STAT_UNIT_CHECK
) ||
1077 if (irb
->esw
.esw0
.erw
.cons
) {
1078 dev_warn(&channel
->ccwdev
->dev
,
1079 "The qeth device driver failed to recover "
1080 "an error on the device\n");
1081 QETH_DBF_MESSAGE(2, "%s sense data available. cstat "
1082 "0x%X dstat 0x%X\n",
1083 dev_name(&channel
->ccwdev
->dev
), cstat
, dstat
);
1084 print_hex_dump(KERN_WARNING
, "qeth: irb ",
1085 DUMP_PREFIX_OFFSET
, 16, 1, irb
, 32, 1);
1086 print_hex_dump(KERN_WARNING
, "qeth: sense data ",
1087 DUMP_PREFIX_OFFSET
, 16, 1, irb
->ecw
, 32, 1);
1089 if (intparm
== QETH_RCD_PARM
) {
1090 channel
->state
= CH_STATE_DOWN
;
1093 rc
= qeth_get_problem(cdev
, irb
);
1095 qeth_clear_ipacmd_list(card
);
1096 qeth_schedule_recovery(card
);
1101 if (intparm
== QETH_RCD_PARM
) {
1102 channel
->state
= CH_STATE_RCD_DONE
;
1106 buffer
= (struct qeth_cmd_buffer
*) __va((addr_t
)intparm
);
1107 buffer
->state
= BUF_STATE_PROCESSED
;
1109 if (channel
== &card
->data
)
1111 if (channel
== &card
->read
&&
1112 channel
->state
== CH_STATE_UP
)
1113 qeth_issue_next_read(card
);
1116 index
= channel
->buf_no
;
1117 while (iob
[index
].state
== BUF_STATE_PROCESSED
) {
1118 if (iob
[index
].callback
!= NULL
)
1119 iob
[index
].callback(channel
, iob
+ index
);
1121 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
1123 channel
->buf_no
= index
;
1125 wake_up(&card
->wait_q
);
1129 static void qeth_notify_skbs(struct qeth_qdio_out_q
*q
,
1130 struct qeth_qdio_out_buffer
*buf
,
1131 enum iucv_tx_notify notification
)
1133 struct sk_buff
*skb
;
1135 if (skb_queue_empty(&buf
->skb_list
))
1137 skb
= skb_peek(&buf
->skb_list
);
1139 QETH_CARD_TEXT_(q
->card
, 5, "skbn%d", notification
);
1140 QETH_CARD_TEXT_(q
->card
, 5, "%lx", (long) skb
);
1141 if (skb
->protocol
== ETH_P_AF_IUCV
) {
1143 struct iucv_sock
*iucv
= iucv_sk(skb
->sk
);
1144 iucv
->sk_txnotify(skb
, notification
);
1147 if (skb_queue_is_last(&buf
->skb_list
, skb
))
1150 skb
= skb_queue_next(&buf
->skb_list
, skb
);
1156 static void qeth_release_skbs(struct qeth_qdio_out_buffer
*buf
)
1158 struct sk_buff
*skb
;
1159 struct iucv_sock
*iucv
;
1160 int notify_general_error
= 0;
1162 if (atomic_read(&buf
->state
) == QETH_QDIO_BUF_PENDING
)
1163 notify_general_error
= 1;
1165 /* release may never happen from within CQ tasklet scope */
1166 WARN_ON_ONCE(atomic_read(&buf
->state
) == QETH_QDIO_BUF_IN_CQ
);
1168 skb
= skb_dequeue(&buf
->skb_list
);
1170 QETH_CARD_TEXT(buf
->q
->card
, 5, "skbr");
1171 QETH_CARD_TEXT_(buf
->q
->card
, 5, "%lx", (long) skb
);
1172 if (notify_general_error
&& skb
->protocol
== ETH_P_AF_IUCV
) {
1174 iucv
= iucv_sk(skb
->sk
);
1175 iucv
->sk_txnotify(skb
, TX_NOTIFY_GENERALERROR
);
1178 atomic_dec(&skb
->users
);
1179 dev_kfree_skb_any(skb
);
1180 skb
= skb_dequeue(&buf
->skb_list
);
1184 static void qeth_clear_output_buffer(struct qeth_qdio_out_q
*queue
,
1185 struct qeth_qdio_out_buffer
*buf
,
1186 enum qeth_qdio_buffer_states newbufstate
)
1190 /* is PCI flag set on buffer? */
1191 if (buf
->buffer
->element
[0].sflags
& SBAL_SFLAGS0_PCI_REQ
)
1192 atomic_dec(&queue
->set_pci_flags_count
);
1194 if (newbufstate
== QETH_QDIO_BUF_EMPTY
) {
1195 qeth_release_skbs(buf
);
1197 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(queue
->card
); ++i
) {
1198 if (buf
->buffer
->element
[i
].addr
&& buf
->is_header
[i
])
1199 kmem_cache_free(qeth_core_header_cache
,
1200 buf
->buffer
->element
[i
].addr
);
1201 buf
->is_header
[i
] = 0;
1202 buf
->buffer
->element
[i
].length
= 0;
1203 buf
->buffer
->element
[i
].addr
= NULL
;
1204 buf
->buffer
->element
[i
].eflags
= 0;
1205 buf
->buffer
->element
[i
].sflags
= 0;
1207 buf
->buffer
->element
[15].eflags
= 0;
1208 buf
->buffer
->element
[15].sflags
= 0;
1209 buf
->next_element_to_fill
= 0;
1210 atomic_set(&buf
->state
, newbufstate
);
1213 static void qeth_clear_outq_buffers(struct qeth_qdio_out_q
*q
, int free
)
1217 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
1220 qeth_cleanup_handled_pending(q
, j
, 1);
1221 qeth_clear_output_buffer(q
, q
->bufs
[j
], QETH_QDIO_BUF_EMPTY
);
1223 kmem_cache_free(qeth_qdio_outbuf_cache
, q
->bufs
[j
]);
1229 void qeth_clear_qdio_buffers(struct qeth_card
*card
)
1233 QETH_CARD_TEXT(card
, 2, "clearqdbf");
1234 /* clear outbound buffers to free skbs */
1235 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
1236 if (card
->qdio
.out_qs
[i
]) {
1237 qeth_clear_outq_buffers(card
->qdio
.out_qs
[i
], 0);
1241 EXPORT_SYMBOL_GPL(qeth_clear_qdio_buffers
);
1243 static void qeth_free_buffer_pool(struct qeth_card
*card
)
1245 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
1247 list_for_each_entry_safe(pool_entry
, tmp
,
1248 &card
->qdio
.init_pool
.entry_list
, init_list
){
1249 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
)
1250 free_page((unsigned long)pool_entry
->elements
[i
]);
1251 list_del(&pool_entry
->init_list
);
1256 static void qeth_free_qdio_buffers(struct qeth_card
*card
)
1260 if (atomic_xchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
) ==
1261 QETH_QDIO_UNINITIALIZED
)
1265 cancel_delayed_work_sync(&card
->buffer_reclaim_work
);
1266 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
)
1267 dev_kfree_skb_any(card
->qdio
.in_q
->bufs
[j
].rx_skb
);
1268 kfree(card
->qdio
.in_q
);
1269 card
->qdio
.in_q
= NULL
;
1270 /* inbound buffer pool */
1271 qeth_free_buffer_pool(card
);
1272 /* free outbound qdio_qs */
1273 if (card
->qdio
.out_qs
) {
1274 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
1275 qeth_clear_outq_buffers(card
->qdio
.out_qs
[i
], 1);
1276 kfree(card
->qdio
.out_qs
[i
]);
1278 kfree(card
->qdio
.out_qs
);
1279 card
->qdio
.out_qs
= NULL
;
1283 static void qeth_clean_channel(struct qeth_channel
*channel
)
1287 QETH_DBF_TEXT(SETUP
, 2, "freech");
1288 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++)
1289 kfree(channel
->iob
[cnt
].data
);
1292 static void qeth_set_single_write_queues(struct qeth_card
*card
)
1294 if ((atomic_read(&card
->qdio
.state
) != QETH_QDIO_UNINITIALIZED
) &&
1295 (card
->qdio
.no_out_queues
== 4))
1296 qeth_free_qdio_buffers(card
);
1298 card
->qdio
.no_out_queues
= 1;
1299 if (card
->qdio
.default_out_queue
!= 0)
1300 dev_info(&card
->gdev
->dev
, "Priority Queueing not supported\n");
1302 card
->qdio
.default_out_queue
= 0;
1305 static void qeth_set_multiple_write_queues(struct qeth_card
*card
)
1307 if ((atomic_read(&card
->qdio
.state
) != QETH_QDIO_UNINITIALIZED
) &&
1308 (card
->qdio
.no_out_queues
== 1)) {
1309 qeth_free_qdio_buffers(card
);
1310 card
->qdio
.default_out_queue
= 2;
1312 card
->qdio
.no_out_queues
= 4;
1315 static void qeth_update_from_chp_desc(struct qeth_card
*card
)
1317 struct ccw_device
*ccwdev
;
1318 struct channelPath_dsc
{
1329 QETH_DBF_TEXT(SETUP
, 2, "chp_desc");
1331 ccwdev
= card
->data
.ccwdev
;
1332 chp_dsc
= ccw_device_get_chp_desc(ccwdev
, 0);
1336 card
->info
.func_level
= 0x4100 + chp_dsc
->desc
;
1337 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1340 /* CHPP field bit 6 == 1 -> single queue */
1341 if ((chp_dsc
->chpp
& 0x02) == 0x02)
1342 qeth_set_single_write_queues(card
);
1344 qeth_set_multiple_write_queues(card
);
1347 QETH_DBF_TEXT_(SETUP
, 2, "nr:%x", card
->qdio
.no_out_queues
);
1348 QETH_DBF_TEXT_(SETUP
, 2, "lvl:%02x", card
->info
.func_level
);
1351 static void qeth_init_qdio_info(struct qeth_card
*card
)
1353 QETH_DBF_TEXT(SETUP
, 4, "intqdinf");
1354 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
1356 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
1357 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1358 card
->qdio
.init_pool
.buf_count
= QETH_IN_BUF_COUNT_HSDEFAULT
;
1360 card
->qdio
.init_pool
.buf_count
= QETH_IN_BUF_COUNT_DEFAULT
;
1361 card
->qdio
.in_buf_pool
.buf_count
= card
->qdio
.init_pool
.buf_count
;
1362 INIT_LIST_HEAD(&card
->qdio
.in_buf_pool
.entry_list
);
1363 INIT_LIST_HEAD(&card
->qdio
.init_pool
.entry_list
);
1366 static void qeth_set_intial_options(struct qeth_card
*card
)
1368 card
->options
.route4
.type
= NO_ROUTER
;
1369 card
->options
.route6
.type
= NO_ROUTER
;
1370 card
->options
.fake_broadcast
= 0;
1371 card
->options
.add_hhlen
= DEFAULT_ADD_HHLEN
;
1372 card
->options
.performance_stats
= 0;
1373 card
->options
.rx_sg_cb
= QETH_RX_SG_CB
;
1374 card
->options
.isolation
= ISOLATION_MODE_NONE
;
1375 card
->options
.cq
= QETH_CQ_DISABLED
;
1378 static int qeth_do_start_thread(struct qeth_card
*card
, unsigned long thread
)
1380 unsigned long flags
;
1383 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
1384 QETH_CARD_TEXT_(card
, 4, " %02x%02x%02x",
1385 (u8
) card
->thread_start_mask
,
1386 (u8
) card
->thread_allowed_mask
,
1387 (u8
) card
->thread_running_mask
);
1388 rc
= (card
->thread_start_mask
& thread
);
1389 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
1393 static void qeth_start_kernel_thread(struct work_struct
*work
)
1395 struct task_struct
*ts
;
1396 struct qeth_card
*card
= container_of(work
, struct qeth_card
,
1397 kernel_thread_starter
);
1398 QETH_CARD_TEXT(card
, 2, "strthrd");
1400 if (card
->read
.state
!= CH_STATE_UP
&&
1401 card
->write
.state
!= CH_STATE_UP
)
1403 if (qeth_do_start_thread(card
, QETH_RECOVER_THREAD
)) {
1404 ts
= kthread_run(card
->discipline
->recover
, (void *)card
,
1407 qeth_clear_thread_start_bit(card
, QETH_RECOVER_THREAD
);
1408 qeth_clear_thread_running_bit(card
,
1409 QETH_RECOVER_THREAD
);
1414 static int qeth_setup_card(struct qeth_card
*card
)
1417 QETH_DBF_TEXT(SETUP
, 2, "setupcrd");
1418 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
1420 card
->read
.state
= CH_STATE_DOWN
;
1421 card
->write
.state
= CH_STATE_DOWN
;
1422 card
->data
.state
= CH_STATE_DOWN
;
1423 card
->state
= CARD_STATE_DOWN
;
1424 card
->lan_online
= 0;
1425 card
->read_or_write_problem
= 0;
1427 spin_lock_init(&card
->vlanlock
);
1428 spin_lock_init(&card
->mclock
);
1429 spin_lock_init(&card
->lock
);
1430 spin_lock_init(&card
->ip_lock
);
1431 spin_lock_init(&card
->thread_mask_lock
);
1432 mutex_init(&card
->conf_mutex
);
1433 mutex_init(&card
->discipline_mutex
);
1434 card
->thread_start_mask
= 0;
1435 card
->thread_allowed_mask
= 0;
1436 card
->thread_running_mask
= 0;
1437 INIT_WORK(&card
->kernel_thread_starter
, qeth_start_kernel_thread
);
1438 INIT_LIST_HEAD(&card
->ip_list
);
1439 INIT_LIST_HEAD(card
->ip_tbd_list
);
1440 INIT_LIST_HEAD(&card
->cmd_waiter_list
);
1441 init_waitqueue_head(&card
->wait_q
);
1442 /* initial options */
1443 qeth_set_intial_options(card
);
1444 /* IP address takeover */
1445 INIT_LIST_HEAD(&card
->ipato
.entries
);
1446 card
->ipato
.enabled
= 0;
1447 card
->ipato
.invert4
= 0;
1448 card
->ipato
.invert6
= 0;
1449 /* init QDIO stuff */
1450 qeth_init_qdio_info(card
);
1451 INIT_DELAYED_WORK(&card
->buffer_reclaim_work
, qeth_buffer_reclaim_work
);
1452 INIT_WORK(&card
->close_dev_work
, qeth_close_dev_handler
);
1456 static void qeth_core_sl_print(struct seq_file
*m
, struct service_level
*slr
)
1458 struct qeth_card
*card
= container_of(slr
, struct qeth_card
,
1459 qeth_service_level
);
1460 if (card
->info
.mcl_level
[0])
1461 seq_printf(m
, "qeth: %s firmware level %s\n",
1462 CARD_BUS_ID(card
), card
->info
.mcl_level
);
1465 static struct qeth_card
*qeth_alloc_card(void)
1467 struct qeth_card
*card
;
1469 QETH_DBF_TEXT(SETUP
, 2, "alloccrd");
1470 card
= kzalloc(sizeof(struct qeth_card
), GFP_DMA
|GFP_KERNEL
);
1473 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
1474 card
->ip_tbd_list
= kzalloc(sizeof(struct list_head
), GFP_KERNEL
);
1475 if (!card
->ip_tbd_list
) {
1476 QETH_DBF_TEXT(SETUP
, 0, "iptbdnom");
1479 if (qeth_setup_channel(&card
->read
))
1481 if (qeth_setup_channel(&card
->write
))
1483 card
->options
.layer2
= -1;
1484 card
->qeth_service_level
.seq_print
= qeth_core_sl_print
;
1485 register_service_level(&card
->qeth_service_level
);
1489 qeth_clean_channel(&card
->read
);
1491 kfree(card
->ip_tbd_list
);
1498 static int qeth_determine_card_type(struct qeth_card
*card
)
1502 QETH_DBF_TEXT(SETUP
, 2, "detcdtyp");
1504 card
->qdio
.do_prio_queueing
= QETH_PRIOQ_DEFAULT
;
1505 card
->qdio
.default_out_queue
= QETH_DEFAULT_QUEUE
;
1506 while (known_devices
[i
][QETH_DEV_MODEL_IND
]) {
1507 if ((CARD_RDEV(card
)->id
.dev_type
==
1508 known_devices
[i
][QETH_DEV_TYPE_IND
]) &&
1509 (CARD_RDEV(card
)->id
.dev_model
==
1510 known_devices
[i
][QETH_DEV_MODEL_IND
])) {
1511 card
->info
.type
= known_devices
[i
][QETH_DEV_MODEL_IND
];
1512 card
->qdio
.no_out_queues
=
1513 known_devices
[i
][QETH_QUEUE_NO_IND
];
1514 card
->qdio
.no_in_queues
= 1;
1515 card
->info
.is_multicast_different
=
1516 known_devices
[i
][QETH_MULTICAST_IND
];
1517 qeth_update_from_chp_desc(card
);
1522 card
->info
.type
= QETH_CARD_TYPE_UNKNOWN
;
1523 dev_err(&card
->gdev
->dev
, "The adapter hardware is of an "
1528 static int qeth_clear_channel(struct qeth_channel
*channel
)
1530 unsigned long flags
;
1531 struct qeth_card
*card
;
1534 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1535 QETH_CARD_TEXT(card
, 3, "clearch");
1536 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1537 rc
= ccw_device_clear(channel
->ccwdev
, QETH_CLEAR_CHANNEL_PARM
);
1538 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1542 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1543 channel
->state
== CH_STATE_STOPPED
, QETH_TIMEOUT
);
1544 if (rc
== -ERESTARTSYS
)
1546 if (channel
->state
!= CH_STATE_STOPPED
)
1548 channel
->state
= CH_STATE_DOWN
;
1552 static int qeth_halt_channel(struct qeth_channel
*channel
)
1554 unsigned long flags
;
1555 struct qeth_card
*card
;
1558 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1559 QETH_CARD_TEXT(card
, 3, "haltch");
1560 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1561 rc
= ccw_device_halt(channel
->ccwdev
, QETH_HALT_CHANNEL_PARM
);
1562 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1566 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1567 channel
->state
== CH_STATE_HALTED
, QETH_TIMEOUT
);
1568 if (rc
== -ERESTARTSYS
)
1570 if (channel
->state
!= CH_STATE_HALTED
)
1575 static int qeth_halt_channels(struct qeth_card
*card
)
1577 int rc1
= 0, rc2
= 0, rc3
= 0;
1579 QETH_CARD_TEXT(card
, 3, "haltchs");
1580 rc1
= qeth_halt_channel(&card
->read
);
1581 rc2
= qeth_halt_channel(&card
->write
);
1582 rc3
= qeth_halt_channel(&card
->data
);
1590 static int qeth_clear_channels(struct qeth_card
*card
)
1592 int rc1
= 0, rc2
= 0, rc3
= 0;
1594 QETH_CARD_TEXT(card
, 3, "clearchs");
1595 rc1
= qeth_clear_channel(&card
->read
);
1596 rc2
= qeth_clear_channel(&card
->write
);
1597 rc3
= qeth_clear_channel(&card
->data
);
1605 static int qeth_clear_halt_card(struct qeth_card
*card
, int halt
)
1609 QETH_CARD_TEXT(card
, 3, "clhacrd");
1612 rc
= qeth_halt_channels(card
);
1615 return qeth_clear_channels(card
);
1618 int qeth_qdio_clear_card(struct qeth_card
*card
, int use_halt
)
1622 QETH_CARD_TEXT(card
, 3, "qdioclr");
1623 switch (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ESTABLISHED
,
1624 QETH_QDIO_CLEANING
)) {
1625 case QETH_QDIO_ESTABLISHED
:
1626 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1627 rc
= qdio_shutdown(CARD_DDEV(card
),
1628 QDIO_FLAG_CLEANUP_USING_HALT
);
1630 rc
= qdio_shutdown(CARD_DDEV(card
),
1631 QDIO_FLAG_CLEANUP_USING_CLEAR
);
1633 QETH_CARD_TEXT_(card
, 3, "1err%d", rc
);
1634 qdio_free(CARD_DDEV(card
));
1635 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
1637 case QETH_QDIO_CLEANING
:
1642 rc
= qeth_clear_halt_card(card
, use_halt
);
1644 QETH_CARD_TEXT_(card
, 3, "2err%d", rc
);
1645 card
->state
= CARD_STATE_DOWN
;
1648 EXPORT_SYMBOL_GPL(qeth_qdio_clear_card
);
1650 static int qeth_read_conf_data(struct qeth_card
*card
, void **buffer
,
1656 struct qeth_channel
*channel
= &card
->data
;
1657 unsigned long flags
;
1660 * scan for RCD command in extended SenseID data
1662 ciw
= ccw_device_get_ciw(channel
->ccwdev
, CIW_TYPE_RCD
);
1663 if (!ciw
|| ciw
->cmd
== 0)
1665 rcd_buf
= kzalloc(ciw
->count
, GFP_KERNEL
| GFP_DMA
);
1669 channel
->ccw
.cmd_code
= ciw
->cmd
;
1670 channel
->ccw
.cda
= (__u32
) __pa(rcd_buf
);
1671 channel
->ccw
.count
= ciw
->count
;
1672 channel
->ccw
.flags
= CCW_FLAG_SLI
;
1673 channel
->state
= CH_STATE_RCD
;
1674 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1675 ret
= ccw_device_start_timeout(channel
->ccwdev
, &channel
->ccw
,
1676 QETH_RCD_PARM
, LPM_ANYPATH
, 0,
1678 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1680 wait_event(card
->wait_q
,
1681 (channel
->state
== CH_STATE_RCD_DONE
||
1682 channel
->state
== CH_STATE_DOWN
));
1683 if (channel
->state
== CH_STATE_DOWN
)
1686 channel
->state
= CH_STATE_DOWN
;
1692 *length
= ciw
->count
;
1698 static void qeth_configure_unitaddr(struct qeth_card
*card
, char *prcd
)
1700 QETH_DBF_TEXT(SETUP
, 2, "cfgunit");
1701 card
->info
.chpid
= prcd
[30];
1702 card
->info
.unit_addr2
= prcd
[31];
1703 card
->info
.cula
= prcd
[63];
1704 card
->info
.guestlan
= ((prcd
[0x10] == _ascebc
['V']) &&
1705 (prcd
[0x11] == _ascebc
['M']));
1708 static void qeth_configure_blkt_default(struct qeth_card
*card
, char *prcd
)
1710 QETH_DBF_TEXT(SETUP
, 2, "cfgblkt");
1712 if (prcd
[74] == 0xF0 && prcd
[75] == 0xF0 &&
1713 (prcd
[76] == 0xF5 || prcd
[76] == 0xF6)) {
1714 card
->info
.blkt
.time_total
= 250;
1715 card
->info
.blkt
.inter_packet
= 5;
1716 card
->info
.blkt
.inter_packet_jumbo
= 15;
1718 card
->info
.blkt
.time_total
= 0;
1719 card
->info
.blkt
.inter_packet
= 0;
1720 card
->info
.blkt
.inter_packet_jumbo
= 0;
1724 static void qeth_init_tokens(struct qeth_card
*card
)
1726 card
->token
.issuer_rm_w
= 0x00010103UL
;
1727 card
->token
.cm_filter_w
= 0x00010108UL
;
1728 card
->token
.cm_connection_w
= 0x0001010aUL
;
1729 card
->token
.ulp_filter_w
= 0x0001010bUL
;
1730 card
->token
.ulp_connection_w
= 0x0001010dUL
;
1733 static void qeth_init_func_level(struct qeth_card
*card
)
1735 switch (card
->info
.type
) {
1736 case QETH_CARD_TYPE_IQD
:
1737 card
->info
.func_level
= QETH_IDX_FUNC_LEVEL_IQD
;
1739 case QETH_CARD_TYPE_OSD
:
1740 case QETH_CARD_TYPE_OSN
:
1741 card
->info
.func_level
= QETH_IDX_FUNC_LEVEL_OSD
;
1748 static int qeth_idx_activate_get_answer(struct qeth_channel
*channel
,
1749 void (*idx_reply_cb
)(struct qeth_channel
*,
1750 struct qeth_cmd_buffer
*))
1752 struct qeth_cmd_buffer
*iob
;
1753 unsigned long flags
;
1755 struct qeth_card
*card
;
1757 QETH_DBF_TEXT(SETUP
, 2, "idxanswr");
1758 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1759 iob
= qeth_get_buffer(channel
);
1760 iob
->callback
= idx_reply_cb
;
1761 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
1762 channel
->ccw
.count
= QETH_BUFSIZE
;
1763 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1765 wait_event(card
->wait_q
,
1766 atomic_cmpxchg(&channel
->irq_pending
, 0, 1) == 0);
1767 QETH_DBF_TEXT(SETUP
, 6, "noirqpnd");
1768 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1769 rc
= ccw_device_start(channel
->ccwdev
,
1770 &channel
->ccw
, (addr_t
) iob
, 0, 0);
1771 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1774 QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc
);
1775 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
1776 atomic_set(&channel
->irq_pending
, 0);
1777 wake_up(&card
->wait_q
);
1780 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1781 channel
->state
== CH_STATE_UP
, QETH_TIMEOUT
);
1782 if (rc
== -ERESTARTSYS
)
1784 if (channel
->state
!= CH_STATE_UP
) {
1786 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
1787 qeth_clear_cmd_buffers(channel
);
1793 static int qeth_idx_activate_channel(struct qeth_channel
*channel
,
1794 void (*idx_reply_cb
)(struct qeth_channel
*,
1795 struct qeth_cmd_buffer
*))
1797 struct qeth_card
*card
;
1798 struct qeth_cmd_buffer
*iob
;
1799 unsigned long flags
;
1803 struct ccw_dev_id temp_devid
;
1805 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1807 QETH_DBF_TEXT(SETUP
, 2, "idxactch");
1809 iob
= qeth_get_buffer(channel
);
1810 iob
->callback
= idx_reply_cb
;
1811 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
1812 channel
->ccw
.count
= IDX_ACTIVATE_SIZE
;
1813 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1814 if (channel
== &card
->write
) {
1815 memcpy(iob
->data
, IDX_ACTIVATE_WRITE
, IDX_ACTIVATE_SIZE
);
1816 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1817 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1818 card
->seqno
.trans_hdr
++;
1820 memcpy(iob
->data
, IDX_ACTIVATE_READ
, IDX_ACTIVATE_SIZE
);
1821 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1822 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1824 tmp
= ((__u8
)card
->info
.portno
) | 0x80;
1825 memcpy(QETH_IDX_ACT_PNO(iob
->data
), &tmp
, 1);
1826 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1827 &card
->token
.issuer_rm_w
, QETH_MPC_TOKEN_LENGTH
);
1828 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob
->data
),
1829 &card
->info
.func_level
, sizeof(__u16
));
1830 ccw_device_get_id(CARD_DDEV(card
), &temp_devid
);
1831 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob
->data
), &temp_devid
.devno
, 2);
1832 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
1833 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob
->data
), &temp
, 2);
1835 wait_event(card
->wait_q
,
1836 atomic_cmpxchg(&channel
->irq_pending
, 0, 1) == 0);
1837 QETH_DBF_TEXT(SETUP
, 6, "noirqpnd");
1838 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1839 rc
= ccw_device_start(channel
->ccwdev
,
1840 &channel
->ccw
, (addr_t
) iob
, 0, 0);
1841 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1844 QETH_DBF_MESSAGE(2, "Error1 in activating channel. rc=%d\n",
1846 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
1847 atomic_set(&channel
->irq_pending
, 0);
1848 wake_up(&card
->wait_q
);
1851 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1852 channel
->state
== CH_STATE_ACTIVATING
, QETH_TIMEOUT
);
1853 if (rc
== -ERESTARTSYS
)
1855 if (channel
->state
!= CH_STATE_ACTIVATING
) {
1856 dev_warn(&channel
->ccwdev
->dev
, "The qeth device driver"
1857 " failed to recover an error on the device\n");
1858 QETH_DBF_MESSAGE(2, "%s IDX activate timed out\n",
1859 dev_name(&channel
->ccwdev
->dev
));
1860 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", -ETIME
);
1861 qeth_clear_cmd_buffers(channel
);
1864 return qeth_idx_activate_get_answer(channel
, idx_reply_cb
);
1867 static int qeth_peer_func_level(int level
)
1869 if ((level
& 0xff) == 8)
1870 return (level
& 0xff) + 0x400;
1871 if (((level
>> 8) & 3) == 1)
1872 return (level
& 0xff) + 0x200;
1876 static void qeth_idx_write_cb(struct qeth_channel
*channel
,
1877 struct qeth_cmd_buffer
*iob
)
1879 struct qeth_card
*card
;
1882 QETH_DBF_TEXT(SETUP
, 2, "idxwrcb");
1884 if (channel
->state
== CH_STATE_DOWN
) {
1885 channel
->state
= CH_STATE_ACTIVATING
;
1888 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1890 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1891 if (QETH_IDX_ACT_CAUSE_CODE(iob
->data
) == QETH_IDX_ACT_ERR_EXCL
)
1892 dev_err(&card
->write
.ccwdev
->dev
,
1893 "The adapter is used exclusively by another "
1896 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel:"
1897 " negative reply\n",
1898 dev_name(&card
->write
.ccwdev
->dev
));
1901 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1902 if ((temp
& ~0x0100) != qeth_peer_func_level(card
->info
.func_level
)) {
1903 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel: "
1904 "function level mismatch (sent: 0x%x, received: "
1905 "0x%x)\n", dev_name(&card
->write
.ccwdev
->dev
),
1906 card
->info
.func_level
, temp
);
1909 channel
->state
= CH_STATE_UP
;
1911 qeth_release_buffer(channel
, iob
);
1914 static void qeth_idx_read_cb(struct qeth_channel
*channel
,
1915 struct qeth_cmd_buffer
*iob
)
1917 struct qeth_card
*card
;
1920 QETH_DBF_TEXT(SETUP
, 2, "idxrdcb");
1921 if (channel
->state
== CH_STATE_DOWN
) {
1922 channel
->state
= CH_STATE_ACTIVATING
;
1926 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1927 if (qeth_check_idx_response(card
, iob
->data
))
1930 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1931 switch (QETH_IDX_ACT_CAUSE_CODE(iob
->data
)) {
1932 case QETH_IDX_ACT_ERR_EXCL
:
1933 dev_err(&card
->write
.ccwdev
->dev
,
1934 "The adapter is used exclusively by another "
1937 case QETH_IDX_ACT_ERR_AUTH
:
1938 case QETH_IDX_ACT_ERR_AUTH_USER
:
1939 dev_err(&card
->read
.ccwdev
->dev
,
1940 "Setting the device online failed because of "
1941 "insufficient authorization\n");
1944 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel:"
1945 " negative reply\n",
1946 dev_name(&card
->read
.ccwdev
->dev
));
1948 QETH_CARD_TEXT_(card
, 2, "idxread%c",
1949 QETH_IDX_ACT_CAUSE_CODE(iob
->data
));
1954 * * temporary fix for microcode bug
1955 * * to revert it,replace OR by AND
1957 if ((!QETH_IDX_NO_PORTNAME_REQUIRED(iob
->data
)) ||
1958 (card
->info
.type
== QETH_CARD_TYPE_OSD
))
1959 card
->info
.portname_required
= 1;
1961 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1962 if (temp
!= qeth_peer_func_level(card
->info
.func_level
)) {
1963 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel: function "
1964 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1965 dev_name(&card
->read
.ccwdev
->dev
),
1966 card
->info
.func_level
, temp
);
1969 memcpy(&card
->token
.issuer_rm_r
,
1970 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1971 QETH_MPC_TOKEN_LENGTH
);
1972 memcpy(&card
->info
.mcl_level
[0],
1973 QETH_IDX_REPLY_LEVEL(iob
->data
), QETH_MCL_LENGTH
);
1974 channel
->state
= CH_STATE_UP
;
1976 qeth_release_buffer(channel
, iob
);
1979 void qeth_prepare_control_data(struct qeth_card
*card
, int len
,
1980 struct qeth_cmd_buffer
*iob
)
1982 qeth_setup_ccw(&card
->write
, iob
->data
, len
);
1983 iob
->callback
= qeth_release_buffer
;
1985 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1986 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1987 card
->seqno
.trans_hdr
++;
1988 memcpy(QETH_PDU_HEADER_SEQ_NO(iob
->data
),
1989 &card
->seqno
.pdu_hdr
, QETH_SEQ_NO_LENGTH
);
1990 card
->seqno
.pdu_hdr
++;
1991 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob
->data
),
1992 &card
->seqno
.pdu_hdr_ack
, QETH_SEQ_NO_LENGTH
);
1993 QETH_DBF_HEX(CTRL
, 2, iob
->data
, QETH_DBF_CTRL_LEN
);
1995 EXPORT_SYMBOL_GPL(qeth_prepare_control_data
);
1997 int qeth_send_control_data(struct qeth_card
*card
, int len
,
1998 struct qeth_cmd_buffer
*iob
,
1999 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
2004 unsigned long flags
;
2005 struct qeth_reply
*reply
= NULL
;
2006 unsigned long timeout
, event_timeout
;
2007 struct qeth_ipa_cmd
*cmd
;
2009 QETH_CARD_TEXT(card
, 2, "sendctl");
2011 if (card
->read_or_write_problem
) {
2012 qeth_release_buffer(iob
->channel
, iob
);
2015 reply
= qeth_alloc_reply(card
);
2019 reply
->callback
= reply_cb
;
2020 reply
->param
= reply_param
;
2021 if (card
->state
== CARD_STATE_DOWN
)
2022 reply
->seqno
= QETH_IDX_COMMAND_SEQNO
;
2024 reply
->seqno
= card
->seqno
.ipa
++;
2025 init_waitqueue_head(&reply
->wait_q
);
2026 spin_lock_irqsave(&card
->lock
, flags
);
2027 list_add_tail(&reply
->list
, &card
->cmd_waiter_list
);
2028 spin_unlock_irqrestore(&card
->lock
, flags
);
2029 QETH_DBF_HEX(CTRL
, 2, iob
->data
, QETH_DBF_CTRL_LEN
);
2031 while (atomic_cmpxchg(&card
->write
.irq_pending
, 0, 1)) ;
2032 qeth_prepare_control_data(card
, len
, iob
);
2034 if (IS_IPA(iob
->data
))
2035 event_timeout
= QETH_IPA_TIMEOUT
;
2037 event_timeout
= QETH_TIMEOUT
;
2038 timeout
= jiffies
+ event_timeout
;
2040 QETH_CARD_TEXT(card
, 6, "noirqpnd");
2041 spin_lock_irqsave(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
2042 rc
= ccw_device_start(card
->write
.ccwdev
, &card
->write
.ccw
,
2043 (addr_t
) iob
, 0, 0);
2044 spin_unlock_irqrestore(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
2046 QETH_DBF_MESSAGE(2, "%s qeth_send_control_data: "
2047 "ccw_device_start rc = %i\n",
2048 dev_name(&card
->write
.ccwdev
->dev
), rc
);
2049 QETH_CARD_TEXT_(card
, 2, " err%d", rc
);
2050 spin_lock_irqsave(&card
->lock
, flags
);
2051 list_del_init(&reply
->list
);
2052 qeth_put_reply(reply
);
2053 spin_unlock_irqrestore(&card
->lock
, flags
);
2054 qeth_release_buffer(iob
->channel
, iob
);
2055 atomic_set(&card
->write
.irq_pending
, 0);
2056 wake_up(&card
->wait_q
);
2060 /* we have only one long running ipassist, since we can ensure
2061 process context of this command we can sleep */
2062 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2063 if ((cmd
->hdr
.command
== IPA_CMD_SETIP
) &&
2064 (cmd
->hdr
.prot_version
== QETH_PROT_IPV4
)) {
2065 if (!wait_event_timeout(reply
->wait_q
,
2066 atomic_read(&reply
->received
), event_timeout
))
2069 while (!atomic_read(&reply
->received
)) {
2070 if (time_after(jiffies
, timeout
))
2076 if (reply
->rc
== -EIO
)
2079 qeth_put_reply(reply
);
2084 spin_lock_irqsave(&reply
->card
->lock
, flags
);
2085 list_del_init(&reply
->list
);
2086 spin_unlock_irqrestore(&reply
->card
->lock
, flags
);
2087 atomic_inc(&reply
->received
);
2089 atomic_set(&card
->write
.irq_pending
, 0);
2090 qeth_release_buffer(iob
->channel
, iob
);
2091 card
->write
.buf_no
= (card
->write
.buf_no
+ 1) % QETH_CMD_BUFFER_NO
;
2093 qeth_put_reply(reply
);
2096 EXPORT_SYMBOL_GPL(qeth_send_control_data
);
2098 static int qeth_cm_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2101 struct qeth_cmd_buffer
*iob
;
2103 QETH_DBF_TEXT(SETUP
, 2, "cmenblcb");
2105 iob
= (struct qeth_cmd_buffer
*) data
;
2106 memcpy(&card
->token
.cm_filter_r
,
2107 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
2108 QETH_MPC_TOKEN_LENGTH
);
2109 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2113 static int qeth_cm_enable(struct qeth_card
*card
)
2116 struct qeth_cmd_buffer
*iob
;
2118 QETH_DBF_TEXT(SETUP
, 2, "cmenable");
2120 iob
= qeth_wait_for_buffer(&card
->write
);
2121 memcpy(iob
->data
, CM_ENABLE
, CM_ENABLE_SIZE
);
2122 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob
->data
),
2123 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
2124 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob
->data
),
2125 &card
->token
.cm_filter_w
, QETH_MPC_TOKEN_LENGTH
);
2127 rc
= qeth_send_control_data(card
, CM_ENABLE_SIZE
, iob
,
2128 qeth_cm_enable_cb
, NULL
);
2132 static int qeth_cm_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2136 struct qeth_cmd_buffer
*iob
;
2138 QETH_DBF_TEXT(SETUP
, 2, "cmsetpcb");
2140 iob
= (struct qeth_cmd_buffer
*) data
;
2141 memcpy(&card
->token
.cm_connection_r
,
2142 QETH_CM_SETUP_RESP_DEST_ADDR(iob
->data
),
2143 QETH_MPC_TOKEN_LENGTH
);
2144 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2148 static int qeth_cm_setup(struct qeth_card
*card
)
2151 struct qeth_cmd_buffer
*iob
;
2153 QETH_DBF_TEXT(SETUP
, 2, "cmsetup");
2155 iob
= qeth_wait_for_buffer(&card
->write
);
2156 memcpy(iob
->data
, CM_SETUP
, CM_SETUP_SIZE
);
2157 memcpy(QETH_CM_SETUP_DEST_ADDR(iob
->data
),
2158 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
2159 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob
->data
),
2160 &card
->token
.cm_connection_w
, QETH_MPC_TOKEN_LENGTH
);
2161 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob
->data
),
2162 &card
->token
.cm_filter_r
, QETH_MPC_TOKEN_LENGTH
);
2163 rc
= qeth_send_control_data(card
, CM_SETUP_SIZE
, iob
,
2164 qeth_cm_setup_cb
, NULL
);
2169 static inline int qeth_get_initial_mtu_for_card(struct qeth_card
*card
)
2171 switch (card
->info
.type
) {
2172 case QETH_CARD_TYPE_UNKNOWN
:
2174 case QETH_CARD_TYPE_IQD
:
2175 return card
->info
.max_mtu
;
2176 case QETH_CARD_TYPE_OSD
:
2177 switch (card
->info
.link_type
) {
2178 case QETH_LINK_TYPE_HSTR
:
2179 case QETH_LINK_TYPE_LANE_TR
:
2184 case QETH_CARD_TYPE_OSM
:
2185 case QETH_CARD_TYPE_OSX
:
2192 static inline int qeth_get_mtu_outof_framesize(int framesize
)
2194 switch (framesize
) {
2208 static inline int qeth_mtu_is_valid(struct qeth_card
*card
, int mtu
)
2210 switch (card
->info
.type
) {
2211 case QETH_CARD_TYPE_OSD
:
2212 case QETH_CARD_TYPE_OSM
:
2213 case QETH_CARD_TYPE_OSX
:
2214 case QETH_CARD_TYPE_IQD
:
2215 return ((mtu
>= 576) &&
2216 (mtu
<= card
->info
.max_mtu
));
2217 case QETH_CARD_TYPE_OSN
:
2218 case QETH_CARD_TYPE_UNKNOWN
:
2224 static int qeth_ulp_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2228 __u16 mtu
, framesize
;
2231 struct qeth_cmd_buffer
*iob
;
2233 QETH_DBF_TEXT(SETUP
, 2, "ulpenacb");
2235 iob
= (struct qeth_cmd_buffer
*) data
;
2236 memcpy(&card
->token
.ulp_filter_r
,
2237 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
2238 QETH_MPC_TOKEN_LENGTH
);
2239 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
2240 memcpy(&framesize
, QETH_ULP_ENABLE_RESP_MAX_MTU(iob
->data
), 2);
2241 mtu
= qeth_get_mtu_outof_framesize(framesize
);
2244 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2247 if (card
->info
.initial_mtu
&& (card
->info
.initial_mtu
!= mtu
)) {
2248 /* frame size has changed */
2250 ((card
->dev
->mtu
== card
->info
.initial_mtu
) ||
2251 (card
->dev
->mtu
> mtu
)))
2252 card
->dev
->mtu
= mtu
;
2253 qeth_free_qdio_buffers(card
);
2255 card
->info
.initial_mtu
= mtu
;
2256 card
->info
.max_mtu
= mtu
;
2257 card
->qdio
.in_buf_size
= mtu
+ 2 * PAGE_SIZE
;
2259 card
->info
.initial_mtu
= qeth_get_initial_mtu_for_card(card
);
2260 card
->info
.max_mtu
= *(__u16
*)QETH_ULP_ENABLE_RESP_MAX_MTU(
2262 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
2265 memcpy(&len
, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob
->data
), 2);
2266 if (len
>= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE
) {
2268 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob
->data
), 1);
2269 card
->info
.link_type
= link_type
;
2271 card
->info
.link_type
= 0;
2272 QETH_DBF_TEXT_(SETUP
, 2, "link%d", card
->info
.link_type
);
2273 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2277 static int qeth_ulp_enable(struct qeth_card
*card
)
2281 struct qeth_cmd_buffer
*iob
;
2283 /*FIXME: trace view callbacks*/
2284 QETH_DBF_TEXT(SETUP
, 2, "ulpenabl");
2286 iob
= qeth_wait_for_buffer(&card
->write
);
2287 memcpy(iob
->data
, ULP_ENABLE
, ULP_ENABLE_SIZE
);
2289 *(QETH_ULP_ENABLE_LINKNUM(iob
->data
)) =
2290 (__u8
) card
->info
.portno
;
2291 if (card
->options
.layer2
)
2292 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2293 prot_type
= QETH_PROT_OSN2
;
2295 prot_type
= QETH_PROT_LAYER2
;
2297 prot_type
= QETH_PROT_TCPIP
;
2299 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob
->data
), &prot_type
, 1);
2300 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob
->data
),
2301 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2302 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob
->data
),
2303 &card
->token
.ulp_filter_w
, QETH_MPC_TOKEN_LENGTH
);
2304 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob
->data
),
2305 card
->info
.portname
, 9);
2306 rc
= qeth_send_control_data(card
, ULP_ENABLE_SIZE
, iob
,
2307 qeth_ulp_enable_cb
, NULL
);
2312 static int qeth_ulp_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2315 struct qeth_cmd_buffer
*iob
;
2317 QETH_DBF_TEXT(SETUP
, 2, "ulpstpcb");
2319 iob
= (struct qeth_cmd_buffer
*) data
;
2320 memcpy(&card
->token
.ulp_connection_r
,
2321 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob
->data
),
2322 QETH_MPC_TOKEN_LENGTH
);
2323 if (!strncmp("00S", QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob
->data
),
2325 QETH_DBF_TEXT(SETUP
, 2, "olmlimit");
2326 dev_err(&card
->gdev
->dev
, "A connection could not be "
2327 "established because of an OLM limit\n");
2330 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2334 static int qeth_ulp_setup(struct qeth_card
*card
)
2338 struct qeth_cmd_buffer
*iob
;
2339 struct ccw_dev_id dev_id
;
2341 QETH_DBF_TEXT(SETUP
, 2, "ulpsetup");
2343 iob
= qeth_wait_for_buffer(&card
->write
);
2344 memcpy(iob
->data
, ULP_SETUP
, ULP_SETUP_SIZE
);
2346 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob
->data
),
2347 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2348 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob
->data
),
2349 &card
->token
.ulp_connection_w
, QETH_MPC_TOKEN_LENGTH
);
2350 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob
->data
),
2351 &card
->token
.ulp_filter_r
, QETH_MPC_TOKEN_LENGTH
);
2353 ccw_device_get_id(CARD_DDEV(card
), &dev_id
);
2354 memcpy(QETH_ULP_SETUP_CUA(iob
->data
), &dev_id
.devno
, 2);
2355 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
2356 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob
->data
), &temp
, 2);
2357 rc
= qeth_send_control_data(card
, ULP_SETUP_SIZE
, iob
,
2358 qeth_ulp_setup_cb
, NULL
);
2362 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q
*q
, int bidx
)
2365 struct qeth_qdio_out_buffer
*newbuf
;
2368 newbuf
= kmem_cache_zalloc(qeth_qdio_outbuf_cache
, GFP_ATOMIC
);
2373 newbuf
->buffer
= &q
->qdio_bufs
[bidx
];
2374 skb_queue_head_init(&newbuf
->skb_list
);
2375 lockdep_set_class(&newbuf
->skb_list
.lock
, &qdio_out_skb_queue_key
);
2378 newbuf
->next_pending
= q
->bufs
[bidx
];
2379 atomic_set(&newbuf
->state
, QETH_QDIO_BUF_EMPTY
);
2380 q
->bufs
[bidx
] = newbuf
;
2382 q
->bufstates
[bidx
].user
= newbuf
;
2383 QETH_CARD_TEXT_(q
->card
, 2, "nbs%d", bidx
);
2384 QETH_CARD_TEXT_(q
->card
, 2, "%lx", (long) newbuf
);
2385 QETH_CARD_TEXT_(q
->card
, 2, "%lx",
2386 (long) newbuf
->next_pending
);
2393 static int qeth_alloc_qdio_buffers(struct qeth_card
*card
)
2397 QETH_DBF_TEXT(SETUP
, 2, "allcqdbf");
2399 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
,
2400 QETH_QDIO_ALLOCATED
) != QETH_QDIO_UNINITIALIZED
)
2403 card
->qdio
.in_q
= kzalloc(sizeof(struct qeth_qdio_q
),
2405 if (!card
->qdio
.in_q
)
2407 QETH_DBF_TEXT(SETUP
, 2, "inq");
2408 QETH_DBF_HEX(SETUP
, 2, &card
->qdio
.in_q
, sizeof(void *));
2409 memset(card
->qdio
.in_q
, 0, sizeof(struct qeth_qdio_q
));
2410 /* give inbound qeth_qdio_buffers their qdio_buffers */
2411 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
) {
2412 card
->qdio
.in_q
->bufs
[i
].buffer
=
2413 &card
->qdio
.in_q
->qdio_bufs
[i
];
2414 card
->qdio
.in_q
->bufs
[i
].rx_skb
= NULL
;
2416 /* inbound buffer pool */
2417 if (qeth_alloc_buffer_pool(card
))
2422 kzalloc(card
->qdio
.no_out_queues
*
2423 sizeof(struct qeth_qdio_out_q
*), GFP_KERNEL
);
2424 if (!card
->qdio
.out_qs
)
2426 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
2427 card
->qdio
.out_qs
[i
] = kzalloc(sizeof(struct qeth_qdio_out_q
),
2429 if (!card
->qdio
.out_qs
[i
])
2431 QETH_DBF_TEXT_(SETUP
, 2, "outq %i", i
);
2432 QETH_DBF_HEX(SETUP
, 2, &card
->qdio
.out_qs
[i
], sizeof(void *));
2433 card
->qdio
.out_qs
[i
]->queue_no
= i
;
2434 /* give outbound qeth_qdio_buffers their qdio_buffers */
2435 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
2436 WARN_ON(card
->qdio
.out_qs
[i
]->bufs
[j
] != NULL
);
2437 if (qeth_init_qdio_out_buf(card
->qdio
.out_qs
[i
], j
))
2438 goto out_freeoutqbufs
;
2443 if (qeth_alloc_cq(card
))
2451 kmem_cache_free(qeth_qdio_outbuf_cache
,
2452 card
->qdio
.out_qs
[i
]->bufs
[j
]);
2453 card
->qdio
.out_qs
[i
]->bufs
[j
] = NULL
;
2457 kfree(card
->qdio
.out_qs
[--i
]);
2458 qeth_clear_outq_buffers(card
->qdio
.out_qs
[i
], 1);
2460 kfree(card
->qdio
.out_qs
);
2461 card
->qdio
.out_qs
= NULL
;
2463 qeth_free_buffer_pool(card
);
2465 kfree(card
->qdio
.in_q
);
2466 card
->qdio
.in_q
= NULL
;
2468 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
2472 static void qeth_create_qib_param_field(struct qeth_card
*card
,
2476 param_field
[0] = _ascebc
['P'];
2477 param_field
[1] = _ascebc
['C'];
2478 param_field
[2] = _ascebc
['I'];
2479 param_field
[3] = _ascebc
['T'];
2480 *((unsigned int *) (¶m_field
[4])) = QETH_PCI_THRESHOLD_A(card
);
2481 *((unsigned int *) (¶m_field
[8])) = QETH_PCI_THRESHOLD_B(card
);
2482 *((unsigned int *) (¶m_field
[12])) = QETH_PCI_TIMER_VALUE(card
);
2485 static void qeth_create_qib_param_field_blkt(struct qeth_card
*card
,
2488 param_field
[16] = _ascebc
['B'];
2489 param_field
[17] = _ascebc
['L'];
2490 param_field
[18] = _ascebc
['K'];
2491 param_field
[19] = _ascebc
['T'];
2492 *((unsigned int *) (¶m_field
[20])) = card
->info
.blkt
.time_total
;
2493 *((unsigned int *) (¶m_field
[24])) = card
->info
.blkt
.inter_packet
;
2494 *((unsigned int *) (¶m_field
[28])) =
2495 card
->info
.blkt
.inter_packet_jumbo
;
2498 static int qeth_qdio_activate(struct qeth_card
*card
)
2500 QETH_DBF_TEXT(SETUP
, 3, "qdioact");
2501 return qdio_activate(CARD_DDEV(card
));
2504 static int qeth_dm_act(struct qeth_card
*card
)
2507 struct qeth_cmd_buffer
*iob
;
2509 QETH_DBF_TEXT(SETUP
, 2, "dmact");
2511 iob
= qeth_wait_for_buffer(&card
->write
);
2512 memcpy(iob
->data
, DM_ACT
, DM_ACT_SIZE
);
2514 memcpy(QETH_DM_ACT_DEST_ADDR(iob
->data
),
2515 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2516 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob
->data
),
2517 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2518 rc
= qeth_send_control_data(card
, DM_ACT_SIZE
, iob
, NULL
, NULL
);
2522 static int qeth_mpc_initialize(struct qeth_card
*card
)
2526 QETH_DBF_TEXT(SETUP
, 2, "mpcinit");
2528 rc
= qeth_issue_next_read(card
);
2530 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
2533 rc
= qeth_cm_enable(card
);
2535 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
2538 rc
= qeth_cm_setup(card
);
2540 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
2543 rc
= qeth_ulp_enable(card
);
2545 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
2548 rc
= qeth_ulp_setup(card
);
2550 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
2553 rc
= qeth_alloc_qdio_buffers(card
);
2555 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
2558 rc
= qeth_qdio_establish(card
);
2560 QETH_DBF_TEXT_(SETUP
, 2, "6err%d", rc
);
2561 qeth_free_qdio_buffers(card
);
2564 rc
= qeth_qdio_activate(card
);
2566 QETH_DBF_TEXT_(SETUP
, 2, "7err%d", rc
);
2569 rc
= qeth_dm_act(card
);
2571 QETH_DBF_TEXT_(SETUP
, 2, "8err%d", rc
);
2577 qeth_qdio_clear_card(card
, card
->info
.type
!= QETH_CARD_TYPE_IQD
);
2581 static void qeth_print_status_with_portname(struct qeth_card
*card
)
2586 sprintf(dbf_text
, "%s", card
->info
.portname
+ 1);
2587 for (i
= 0; i
< 8; i
++)
2589 (char) _ebcasc
[(__u8
) dbf_text
[i
]];
2591 dev_info(&card
->gdev
->dev
, "Device is a%s card%s%s%s\n"
2592 "with link type %s (portname: %s)\n",
2593 qeth_get_cardname(card
),
2594 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2595 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2596 (card
->info
.mcl_level
[0]) ? ")" : "",
2597 qeth_get_cardname_short(card
),
2602 static void qeth_print_status_no_portname(struct qeth_card
*card
)
2604 if (card
->info
.portname
[0])
2605 dev_info(&card
->gdev
->dev
, "Device is a%s "
2606 "card%s%s%s\nwith link type %s "
2607 "(no portname needed by interface).\n",
2608 qeth_get_cardname(card
),
2609 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2610 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2611 (card
->info
.mcl_level
[0]) ? ")" : "",
2612 qeth_get_cardname_short(card
));
2614 dev_info(&card
->gdev
->dev
, "Device is a%s "
2615 "card%s%s%s\nwith link type %s.\n",
2616 qeth_get_cardname(card
),
2617 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2618 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2619 (card
->info
.mcl_level
[0]) ? ")" : "",
2620 qeth_get_cardname_short(card
));
2623 void qeth_print_status_message(struct qeth_card
*card
)
2625 switch (card
->info
.type
) {
2626 case QETH_CARD_TYPE_OSD
:
2627 case QETH_CARD_TYPE_OSM
:
2628 case QETH_CARD_TYPE_OSX
:
2629 /* VM will use a non-zero first character
2630 * to indicate a HiperSockets like reporting
2631 * of the level OSA sets the first character to zero
2633 if (!card
->info
.mcl_level
[0]) {
2634 sprintf(card
->info
.mcl_level
, "%02x%02x",
2635 card
->info
.mcl_level
[2],
2636 card
->info
.mcl_level
[3]);
2638 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
2642 case QETH_CARD_TYPE_IQD
:
2643 if ((card
->info
.guestlan
) ||
2644 (card
->info
.mcl_level
[0] & 0x80)) {
2645 card
->info
.mcl_level
[0] = (char) _ebcasc
[(__u8
)
2646 card
->info
.mcl_level
[0]];
2647 card
->info
.mcl_level
[1] = (char) _ebcasc
[(__u8
)
2648 card
->info
.mcl_level
[1]];
2649 card
->info
.mcl_level
[2] = (char) _ebcasc
[(__u8
)
2650 card
->info
.mcl_level
[2]];
2651 card
->info
.mcl_level
[3] = (char) _ebcasc
[(__u8
)
2652 card
->info
.mcl_level
[3]];
2653 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
2657 memset(&card
->info
.mcl_level
[0], 0, QETH_MCL_LENGTH
+ 1);
2659 if (card
->info
.portname_required
)
2660 qeth_print_status_with_portname(card
);
2662 qeth_print_status_no_portname(card
);
2664 EXPORT_SYMBOL_GPL(qeth_print_status_message
);
2666 static void qeth_initialize_working_pool_list(struct qeth_card
*card
)
2668 struct qeth_buffer_pool_entry
*entry
;
2670 QETH_CARD_TEXT(card
, 5, "inwrklst");
2672 list_for_each_entry(entry
,
2673 &card
->qdio
.init_pool
.entry_list
, init_list
) {
2674 qeth_put_buffer_pool_entry(card
, entry
);
2678 static inline struct qeth_buffer_pool_entry
*qeth_find_free_buffer_pool_entry(
2679 struct qeth_card
*card
)
2681 struct list_head
*plh
;
2682 struct qeth_buffer_pool_entry
*entry
;
2686 if (list_empty(&card
->qdio
.in_buf_pool
.entry_list
))
2689 list_for_each(plh
, &card
->qdio
.in_buf_pool
.entry_list
) {
2690 entry
= list_entry(plh
, struct qeth_buffer_pool_entry
, list
);
2692 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2693 if (page_count(virt_to_page(entry
->elements
[i
])) > 1) {
2699 list_del_init(&entry
->list
);
2704 /* no free buffer in pool so take first one and swap pages */
2705 entry
= list_entry(card
->qdio
.in_buf_pool
.entry_list
.next
,
2706 struct qeth_buffer_pool_entry
, list
);
2707 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2708 if (page_count(virt_to_page(entry
->elements
[i
])) > 1) {
2709 page
= alloc_page(GFP_ATOMIC
);
2713 free_page((unsigned long)entry
->elements
[i
]);
2714 entry
->elements
[i
] = page_address(page
);
2715 if (card
->options
.performance_stats
)
2716 card
->perf_stats
.sg_alloc_page_rx
++;
2720 list_del_init(&entry
->list
);
2724 static int qeth_init_input_buffer(struct qeth_card
*card
,
2725 struct qeth_qdio_buffer
*buf
)
2727 struct qeth_buffer_pool_entry
*pool_entry
;
2730 if ((card
->options
.cq
== QETH_CQ_ENABLED
) && (!buf
->rx_skb
)) {
2731 buf
->rx_skb
= dev_alloc_skb(QETH_RX_PULL_LEN
+ ETH_HLEN
);
2736 pool_entry
= qeth_find_free_buffer_pool_entry(card
);
2741 * since the buffer is accessed only from the input_tasklet
2742 * there shouldn't be a need to synchronize; also, since we use
2743 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2747 buf
->pool_entry
= pool_entry
;
2748 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2749 buf
->buffer
->element
[i
].length
= PAGE_SIZE
;
2750 buf
->buffer
->element
[i
].addr
= pool_entry
->elements
[i
];
2751 if (i
== QETH_MAX_BUFFER_ELEMENTS(card
) - 1)
2752 buf
->buffer
->element
[i
].eflags
= SBAL_EFLAGS_LAST_ENTRY
;
2754 buf
->buffer
->element
[i
].eflags
= 0;
2755 buf
->buffer
->element
[i
].sflags
= 0;
2760 int qeth_init_qdio_queues(struct qeth_card
*card
)
2765 QETH_DBF_TEXT(SETUP
, 2, "initqdqs");
2768 memset(card
->qdio
.in_q
->qdio_bufs
, 0,
2769 QDIO_MAX_BUFFERS_PER_Q
* sizeof(struct qdio_buffer
));
2770 qeth_initialize_working_pool_list(card
);
2771 /*give only as many buffers to hardware as we have buffer pool entries*/
2772 for (i
= 0; i
< card
->qdio
.in_buf_pool
.buf_count
- 1; ++i
)
2773 qeth_init_input_buffer(card
, &card
->qdio
.in_q
->bufs
[i
]);
2774 card
->qdio
.in_q
->next_buf_to_init
=
2775 card
->qdio
.in_buf_pool
.buf_count
- 1;
2776 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0, 0,
2777 card
->qdio
.in_buf_pool
.buf_count
- 1);
2779 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
2784 rc
= qeth_cq_init(card
);
2789 /* outbound queue */
2790 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
2791 memset(card
->qdio
.out_qs
[i
]->qdio_bufs
, 0,
2792 QDIO_MAX_BUFFERS_PER_Q
* sizeof(struct qdio_buffer
));
2793 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
2794 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
2795 card
->qdio
.out_qs
[i
]->bufs
[j
],
2796 QETH_QDIO_BUF_EMPTY
);
2798 card
->qdio
.out_qs
[i
]->card
= card
;
2799 card
->qdio
.out_qs
[i
]->next_buf_to_fill
= 0;
2800 card
->qdio
.out_qs
[i
]->do_pack
= 0;
2801 atomic_set(&card
->qdio
.out_qs
[i
]->used_buffers
, 0);
2802 atomic_set(&card
->qdio
.out_qs
[i
]->set_pci_flags_count
, 0);
2803 atomic_set(&card
->qdio
.out_qs
[i
]->state
,
2804 QETH_OUT_Q_UNLOCKED
);
2808 EXPORT_SYMBOL_GPL(qeth_init_qdio_queues
);
2810 static inline __u8
qeth_get_ipa_adp_type(enum qeth_link_types link_type
)
2812 switch (link_type
) {
2813 case QETH_LINK_TYPE_HSTR
:
2820 static void qeth_fill_ipacmd_header(struct qeth_card
*card
,
2821 struct qeth_ipa_cmd
*cmd
, __u8 command
,
2822 enum qeth_prot_versions prot
)
2824 memset(cmd
, 0, sizeof(struct qeth_ipa_cmd
));
2825 cmd
->hdr
.command
= command
;
2826 cmd
->hdr
.initiator
= IPA_CMD_INITIATOR_HOST
;
2827 cmd
->hdr
.seqno
= card
->seqno
.ipa
;
2828 cmd
->hdr
.adapter_type
= qeth_get_ipa_adp_type(card
->info
.link_type
);
2829 cmd
->hdr
.rel_adapter_no
= (__u8
) card
->info
.portno
;
2830 if (card
->options
.layer2
)
2831 cmd
->hdr
.prim_version_no
= 2;
2833 cmd
->hdr
.prim_version_no
= 1;
2834 cmd
->hdr
.param_count
= 1;
2835 cmd
->hdr
.prot_version
= prot
;
2836 cmd
->hdr
.ipa_supported
= 0;
2837 cmd
->hdr
.ipa_enabled
= 0;
2840 struct qeth_cmd_buffer
*qeth_get_ipacmd_buffer(struct qeth_card
*card
,
2841 enum qeth_ipa_cmds ipacmd
, enum qeth_prot_versions prot
)
2843 struct qeth_cmd_buffer
*iob
;
2844 struct qeth_ipa_cmd
*cmd
;
2846 iob
= qeth_wait_for_buffer(&card
->write
);
2847 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2848 qeth_fill_ipacmd_header(card
, cmd
, ipacmd
, prot
);
2852 EXPORT_SYMBOL_GPL(qeth_get_ipacmd_buffer
);
2854 void qeth_prepare_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
2857 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
2858 memcpy(QETH_IPA_CMD_PROT_TYPE(iob
->data
), &prot_type
, 1);
2859 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
2860 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2862 EXPORT_SYMBOL_GPL(qeth_prepare_ipa_cmd
);
2864 int qeth_send_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
2865 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
2872 QETH_CARD_TEXT(card
, 4, "sendipa");
2874 if (card
->options
.layer2
)
2875 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2876 prot_type
= QETH_PROT_OSN2
;
2878 prot_type
= QETH_PROT_LAYER2
;
2880 prot_type
= QETH_PROT_TCPIP
;
2881 qeth_prepare_ipa_cmd(card
, iob
, prot_type
);
2882 rc
= qeth_send_control_data(card
, IPA_CMD_LENGTH
,
2883 iob
, reply_cb
, reply_param
);
2885 qeth_clear_ipacmd_list(card
);
2886 qeth_schedule_recovery(card
);
2890 EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd
);
2892 int qeth_send_startlan(struct qeth_card
*card
)
2895 struct qeth_cmd_buffer
*iob
;
2897 QETH_DBF_TEXT(SETUP
, 2, "strtlan");
2899 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_STARTLAN
, 0);
2900 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
2903 EXPORT_SYMBOL_GPL(qeth_send_startlan
);
2905 static int qeth_default_setadapterparms_cb(struct qeth_card
*card
,
2906 struct qeth_reply
*reply
, unsigned long data
)
2908 struct qeth_ipa_cmd
*cmd
;
2910 QETH_CARD_TEXT(card
, 4, "defadpcb");
2912 cmd
= (struct qeth_ipa_cmd
*) data
;
2913 if (cmd
->hdr
.return_code
== 0)
2914 cmd
->hdr
.return_code
=
2915 cmd
->data
.setadapterparms
.hdr
.return_code
;
2919 static int qeth_query_setadapterparms_cb(struct qeth_card
*card
,
2920 struct qeth_reply
*reply
, unsigned long data
)
2922 struct qeth_ipa_cmd
*cmd
;
2924 QETH_CARD_TEXT(card
, 3, "quyadpcb");
2926 cmd
= (struct qeth_ipa_cmd
*) data
;
2927 if (cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
& 0x7f) {
2928 card
->info
.link_type
=
2929 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
;
2930 QETH_DBF_TEXT_(SETUP
, 2, "lnk %d", card
->info
.link_type
);
2932 card
->options
.adp
.supported_funcs
=
2933 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.supported_cmds
;
2934 return qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
2937 static struct qeth_cmd_buffer
*qeth_get_adapter_cmd(struct qeth_card
*card
,
2938 __u32 command
, __u32 cmdlen
)
2940 struct qeth_cmd_buffer
*iob
;
2941 struct qeth_ipa_cmd
*cmd
;
2943 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SETADAPTERPARMS
,
2945 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2946 cmd
->data
.setadapterparms
.hdr
.cmdlength
= cmdlen
;
2947 cmd
->data
.setadapterparms
.hdr
.command_code
= command
;
2948 cmd
->data
.setadapterparms
.hdr
.used_total
= 1;
2949 cmd
->data
.setadapterparms
.hdr
.seq_no
= 1;
2954 int qeth_query_setadapterparms(struct qeth_card
*card
)
2957 struct qeth_cmd_buffer
*iob
;
2959 QETH_CARD_TEXT(card
, 3, "queryadp");
2960 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_QUERY_COMMANDS_SUPPORTED
,
2961 sizeof(struct qeth_ipacmd_setadpparms
));
2962 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_query_setadapterparms_cb
, NULL
);
2965 EXPORT_SYMBOL_GPL(qeth_query_setadapterparms
);
2967 static int qeth_query_ipassists_cb(struct qeth_card
*card
,
2968 struct qeth_reply
*reply
, unsigned long data
)
2970 struct qeth_ipa_cmd
*cmd
;
2972 QETH_DBF_TEXT(SETUP
, 2, "qipasscb");
2974 cmd
= (struct qeth_ipa_cmd
*) data
;
2976 switch (cmd
->hdr
.return_code
) {
2977 case IPA_RC_NOTSUPP
:
2978 case IPA_RC_L2_UNSUPPORTED_CMD
:
2979 QETH_DBF_TEXT(SETUP
, 2, "ipaunsup");
2980 card
->options
.ipa4
.supported_funcs
|= IPA_SETADAPTERPARMS
;
2981 card
->options
.ipa6
.supported_funcs
|= IPA_SETADAPTERPARMS
;
2984 if (cmd
->hdr
.return_code
) {
2985 QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Unhandled "
2987 dev_name(&card
->gdev
->dev
),
2988 cmd
->hdr
.return_code
);
2993 if (cmd
->hdr
.prot_version
== QETH_PROT_IPV4
) {
2994 card
->options
.ipa4
.supported_funcs
= cmd
->hdr
.ipa_supported
;
2995 card
->options
.ipa4
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
2996 } else if (cmd
->hdr
.prot_version
== QETH_PROT_IPV6
) {
2997 card
->options
.ipa6
.supported_funcs
= cmd
->hdr
.ipa_supported
;
2998 card
->options
.ipa6
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
3000 QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Flawed LIC detected"
3001 "\n", dev_name(&card
->gdev
->dev
));
3005 int qeth_query_ipassists(struct qeth_card
*card
, enum qeth_prot_versions prot
)
3008 struct qeth_cmd_buffer
*iob
;
3010 QETH_DBF_TEXT_(SETUP
, 2, "qipassi%i", prot
);
3011 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_QIPASSIST
, prot
);
3012 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_query_ipassists_cb
, NULL
);
3015 EXPORT_SYMBOL_GPL(qeth_query_ipassists
);
3017 static int qeth_query_setdiagass_cb(struct qeth_card
*card
,
3018 struct qeth_reply
*reply
, unsigned long data
)
3020 struct qeth_ipa_cmd
*cmd
;
3023 cmd
= (struct qeth_ipa_cmd
*)data
;
3024 rc
= cmd
->hdr
.return_code
;
3026 QETH_CARD_TEXT_(card
, 2, "diagq:%x", rc
);
3028 card
->info
.diagass_support
= cmd
->data
.diagass
.ext
;
3032 static int qeth_query_setdiagass(struct qeth_card
*card
)
3034 struct qeth_cmd_buffer
*iob
;
3035 struct qeth_ipa_cmd
*cmd
;
3037 QETH_DBF_TEXT(SETUP
, 2, "qdiagass");
3038 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SET_DIAG_ASS
, 0);
3039 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3040 cmd
->data
.diagass
.subcmd_len
= 16;
3041 cmd
->data
.diagass
.subcmd
= QETH_DIAGS_CMD_QUERY
;
3042 return qeth_send_ipa_cmd(card
, iob
, qeth_query_setdiagass_cb
, NULL
);
3045 static void qeth_get_trap_id(struct qeth_card
*card
, struct qeth_trap_id
*tid
)
3047 unsigned long info
= get_zeroed_page(GFP_KERNEL
);
3048 struct sysinfo_2_2_2
*info222
= (struct sysinfo_2_2_2
*)info
;
3049 struct sysinfo_3_2_2
*info322
= (struct sysinfo_3_2_2
*)info
;
3050 struct ccw_dev_id ccwid
;
3053 tid
->chpid
= card
->info
.chpid
;
3054 ccw_device_get_id(CARD_RDEV(card
), &ccwid
);
3055 tid
->ssid
= ccwid
.ssid
;
3056 tid
->devno
= ccwid
.devno
;
3059 level
= stsi(NULL
, 0, 0, 0);
3060 if ((level
>= 2) && (stsi(info222
, 2, 2, 2) == 0))
3061 tid
->lparnr
= info222
->lpar_number
;
3062 if ((level
>= 3) && (stsi(info322
, 3, 2, 2) == 0)) {
3063 EBCASC(info322
->vm
[0].name
, sizeof(info322
->vm
[0].name
));
3064 memcpy(tid
->vmname
, info322
->vm
[0].name
, sizeof(tid
->vmname
));
3070 static int qeth_hw_trap_cb(struct qeth_card
*card
,
3071 struct qeth_reply
*reply
, unsigned long data
)
3073 struct qeth_ipa_cmd
*cmd
;
3076 cmd
= (struct qeth_ipa_cmd
*)data
;
3077 rc
= cmd
->hdr
.return_code
;
3079 QETH_CARD_TEXT_(card
, 2, "trapc:%x", rc
);
3083 int qeth_hw_trap(struct qeth_card
*card
, enum qeth_diags_trap_action action
)
3085 struct qeth_cmd_buffer
*iob
;
3086 struct qeth_ipa_cmd
*cmd
;
3088 QETH_DBF_TEXT(SETUP
, 2, "diagtrap");
3089 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SET_DIAG_ASS
, 0);
3090 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3091 cmd
->data
.diagass
.subcmd_len
= 80;
3092 cmd
->data
.diagass
.subcmd
= QETH_DIAGS_CMD_TRAP
;
3093 cmd
->data
.diagass
.type
= 1;
3094 cmd
->data
.diagass
.action
= action
;
3096 case QETH_DIAGS_TRAP_ARM
:
3097 cmd
->data
.diagass
.options
= 0x0003;
3098 cmd
->data
.diagass
.ext
= 0x00010000 +
3099 sizeof(struct qeth_trap_id
);
3100 qeth_get_trap_id(card
,
3101 (struct qeth_trap_id
*)cmd
->data
.diagass
.cdata
);
3103 case QETH_DIAGS_TRAP_DISARM
:
3104 cmd
->data
.diagass
.options
= 0x0001;
3106 case QETH_DIAGS_TRAP_CAPTURE
:
3109 return qeth_send_ipa_cmd(card
, iob
, qeth_hw_trap_cb
, NULL
);
3111 EXPORT_SYMBOL_GPL(qeth_hw_trap
);
3113 int qeth_check_qdio_errors(struct qeth_card
*card
, struct qdio_buffer
*buf
,
3114 unsigned int qdio_error
, const char *dbftext
)
3117 QETH_CARD_TEXT(card
, 2, dbftext
);
3118 QETH_CARD_TEXT_(card
, 2, " F15=%02X",
3119 buf
->element
[15].sflags
);
3120 QETH_CARD_TEXT_(card
, 2, " F14=%02X",
3121 buf
->element
[14].sflags
);
3122 QETH_CARD_TEXT_(card
, 2, " qerr=%X", qdio_error
);
3123 if ((buf
->element
[15].sflags
) == 0x12) {
3124 card
->stats
.rx_dropped
++;
3131 EXPORT_SYMBOL_GPL(qeth_check_qdio_errors
);
3133 void qeth_buffer_reclaim_work(struct work_struct
*work
)
3135 struct qeth_card
*card
= container_of(work
, struct qeth_card
,
3136 buffer_reclaim_work
.work
);
3138 QETH_CARD_TEXT_(card
, 2, "brw:%x", card
->reclaim_index
);
3139 qeth_queue_input_buffer(card
, card
->reclaim_index
);
3142 void qeth_queue_input_buffer(struct qeth_card
*card
, int index
)
3144 struct qeth_qdio_q
*queue
= card
->qdio
.in_q
;
3145 struct list_head
*lh
;
3151 count
= (index
< queue
->next_buf_to_init
)?
3152 card
->qdio
.in_buf_pool
.buf_count
-
3153 (queue
->next_buf_to_init
- index
) :
3154 card
->qdio
.in_buf_pool
.buf_count
-
3155 (queue
->next_buf_to_init
+ QDIO_MAX_BUFFERS_PER_Q
- index
);
3156 /* only requeue at a certain threshold to avoid SIGAs */
3157 if (count
>= QETH_IN_BUF_REQUEUE_THRESHOLD(card
)) {
3158 for (i
= queue
->next_buf_to_init
;
3159 i
< queue
->next_buf_to_init
+ count
; ++i
) {
3160 if (qeth_init_input_buffer(card
,
3161 &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
])) {
3168 if (newcount
< count
) {
3169 /* we are in memory shortage so we switch back to
3170 traditional skb allocation and drop packages */
3171 atomic_set(&card
->force_alloc_skb
, 3);
3174 atomic_add_unless(&card
->force_alloc_skb
, -1, 0);
3179 list_for_each(lh
, &card
->qdio
.in_buf_pool
.entry_list
)
3181 if (i
== card
->qdio
.in_buf_pool
.buf_count
) {
3182 QETH_CARD_TEXT(card
, 2, "qsarbw");
3183 card
->reclaim_index
= index
;
3184 schedule_delayed_work(
3185 &card
->buffer_reclaim_work
,
3186 QETH_RECLAIM_WORK_TIME
);
3192 * according to old code it should be avoided to requeue all
3193 * 128 buffers in order to benefit from PCI avoidance.
3194 * this function keeps at least one buffer (the buffer at
3195 * 'index') un-requeued -> this buffer is the first buffer that
3196 * will be requeued the next time
3198 if (card
->options
.performance_stats
) {
3199 card
->perf_stats
.inbound_do_qdio_cnt
++;
3200 card
->perf_stats
.inbound_do_qdio_start_time
=
3203 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0,
3204 queue
->next_buf_to_init
, count
);
3205 if (card
->options
.performance_stats
)
3206 card
->perf_stats
.inbound_do_qdio_time
+=
3208 card
->perf_stats
.inbound_do_qdio_start_time
;
3210 QETH_CARD_TEXT(card
, 2, "qinberr");
3212 queue
->next_buf_to_init
= (queue
->next_buf_to_init
+ count
) %
3213 QDIO_MAX_BUFFERS_PER_Q
;
3216 EXPORT_SYMBOL_GPL(qeth_queue_input_buffer
);
3218 static int qeth_handle_send_error(struct qeth_card
*card
,
3219 struct qeth_qdio_out_buffer
*buffer
, unsigned int qdio_err
)
3221 int sbalf15
= buffer
->buffer
->element
[15].sflags
;
3223 QETH_CARD_TEXT(card
, 6, "hdsnderr");
3224 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
3231 qeth_check_qdio_errors(card
, buffer
->buffer
, qdio_err
, "qouterr");
3234 return QETH_SEND_ERROR_NONE
;
3236 if ((sbalf15
>= 15) && (sbalf15
<= 31))
3237 return QETH_SEND_ERROR_RETRY
;
3239 QETH_CARD_TEXT(card
, 1, "lnkfail");
3240 QETH_CARD_TEXT_(card
, 1, "%04x %02x",
3241 (u16
)qdio_err
, (u8
)sbalf15
);
3242 return QETH_SEND_ERROR_LINK_FAILURE
;
3246 * Switched to packing state if the number of used buffers on a queue
3247 * reaches a certain limit.
3249 static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q
*queue
)
3251 if (!queue
->do_pack
) {
3252 if (atomic_read(&queue
->used_buffers
)
3253 >= QETH_HIGH_WATERMARK_PACK
){
3254 /* switch non-PACKING -> PACKING */
3255 QETH_CARD_TEXT(queue
->card
, 6, "np->pack");
3256 if (queue
->card
->options
.performance_stats
)
3257 queue
->card
->perf_stats
.sc_dp_p
++;
3264 * Switches from packing to non-packing mode. If there is a packing
3265 * buffer on the queue this buffer will be prepared to be flushed.
3266 * In that case 1 is returned to inform the caller. If no buffer
3267 * has to be flushed, zero is returned.
3269 static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q
*queue
)
3271 struct qeth_qdio_out_buffer
*buffer
;
3272 int flush_count
= 0;
3274 if (queue
->do_pack
) {
3275 if (atomic_read(&queue
->used_buffers
)
3276 <= QETH_LOW_WATERMARK_PACK
) {
3277 /* switch PACKING -> non-PACKING */
3278 QETH_CARD_TEXT(queue
->card
, 6, "pack->np");
3279 if (queue
->card
->options
.performance_stats
)
3280 queue
->card
->perf_stats
.sc_p_dp
++;
3282 /* flush packing buffers */
3283 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
3284 if ((atomic_read(&buffer
->state
) ==
3285 QETH_QDIO_BUF_EMPTY
) &&
3286 (buffer
->next_element_to_fill
> 0)) {
3287 atomic_set(&buffer
->state
,
3288 QETH_QDIO_BUF_PRIMED
);
3290 queue
->next_buf_to_fill
=
3291 (queue
->next_buf_to_fill
+ 1) %
3292 QDIO_MAX_BUFFERS_PER_Q
;
3301 * Called to flush a packing buffer if no more pci flags are on the queue.
3302 * Checks if there is a packing buffer and prepares it to be flushed.
3303 * In that case returns 1, otherwise zero.
3305 static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q
*queue
)
3307 struct qeth_qdio_out_buffer
*buffer
;
3309 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
3310 if ((atomic_read(&buffer
->state
) == QETH_QDIO_BUF_EMPTY
) &&
3311 (buffer
->next_element_to_fill
> 0)) {
3312 /* it's a packing buffer */
3313 atomic_set(&buffer
->state
, QETH_QDIO_BUF_PRIMED
);
3314 queue
->next_buf_to_fill
=
3315 (queue
->next_buf_to_fill
+ 1) % QDIO_MAX_BUFFERS_PER_Q
;
3321 static void qeth_flush_buffers(struct qeth_qdio_out_q
*queue
, int index
,
3324 struct qeth_qdio_out_buffer
*buf
;
3327 unsigned int qdio_flags
;
3329 for (i
= index
; i
< index
+ count
; ++i
) {
3330 int bidx
= i
% QDIO_MAX_BUFFERS_PER_Q
;
3331 buf
= queue
->bufs
[bidx
];
3332 buf
->buffer
->element
[buf
->next_element_to_fill
- 1].eflags
|=
3333 SBAL_EFLAGS_LAST_ENTRY
;
3335 if (queue
->bufstates
)
3336 queue
->bufstates
[bidx
].user
= buf
;
3338 if (queue
->card
->info
.type
== QETH_CARD_TYPE_IQD
)
3341 if (!queue
->do_pack
) {
3342 if ((atomic_read(&queue
->used_buffers
) >=
3343 (QETH_HIGH_WATERMARK_PACK
-
3344 QETH_WATERMARK_PACK_FUZZ
)) &&
3345 !atomic_read(&queue
->set_pci_flags_count
)) {
3346 /* it's likely that we'll go to packing
3348 atomic_inc(&queue
->set_pci_flags_count
);
3349 buf
->buffer
->element
[0].sflags
|= SBAL_SFLAGS0_PCI_REQ
;
3352 if (!atomic_read(&queue
->set_pci_flags_count
)) {
3354 * there's no outstanding PCI any more, so we
3355 * have to request a PCI to be sure the the PCI
3356 * will wake at some time in the future then we
3357 * can flush packed buffers that might still be
3358 * hanging around, which can happen if no
3359 * further send was requested by the stack
3361 atomic_inc(&queue
->set_pci_flags_count
);
3362 buf
->buffer
->element
[0].sflags
|= SBAL_SFLAGS0_PCI_REQ
;
3367 queue
->card
->dev
->trans_start
= jiffies
;
3368 if (queue
->card
->options
.performance_stats
) {
3369 queue
->card
->perf_stats
.outbound_do_qdio_cnt
++;
3370 queue
->card
->perf_stats
.outbound_do_qdio_start_time
=
3373 qdio_flags
= QDIO_FLAG_SYNC_OUTPUT
;
3374 if (atomic_read(&queue
->set_pci_flags_count
))
3375 qdio_flags
|= QDIO_FLAG_PCI_OUT
;
3376 rc
= do_QDIO(CARD_DDEV(queue
->card
), qdio_flags
,
3377 queue
->queue_no
, index
, count
);
3378 if (queue
->card
->options
.performance_stats
)
3379 queue
->card
->perf_stats
.outbound_do_qdio_time
+=
3381 queue
->card
->perf_stats
.outbound_do_qdio_start_time
;
3382 atomic_add(count
, &queue
->used_buffers
);
3384 queue
->card
->stats
.tx_errors
+= count
;
3385 /* ignore temporary SIGA errors without busy condition */
3388 QETH_CARD_TEXT(queue
->card
, 2, "flushbuf");
3389 QETH_CARD_TEXT_(queue
->card
, 2, " q%d", queue
->queue_no
);
3390 QETH_CARD_TEXT_(queue
->card
, 2, " idx%d", index
);
3391 QETH_CARD_TEXT_(queue
->card
, 2, " c%d", count
);
3392 QETH_CARD_TEXT_(queue
->card
, 2, " err%d", rc
);
3394 /* this must not happen under normal circumstances. if it
3395 * happens something is really wrong -> recover */
3396 qeth_schedule_recovery(queue
->card
);
3399 if (queue
->card
->options
.performance_stats
)
3400 queue
->card
->perf_stats
.bufs_sent
+= count
;
3403 static void qeth_check_outbound_queue(struct qeth_qdio_out_q
*queue
)
3407 int q_was_packing
= 0;
3410 * check if weed have to switch to non-packing mode or if
3411 * we have to get a pci flag out on the queue
3413 if ((atomic_read(&queue
->used_buffers
) <= QETH_LOW_WATERMARK_PACK
) ||
3414 !atomic_read(&queue
->set_pci_flags_count
)) {
3415 if (atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
) ==
3416 QETH_OUT_Q_UNLOCKED
) {
3418 * If we get in here, there was no action in
3419 * do_send_packet. So, we check if there is a
3420 * packing buffer to be flushed here.
3422 netif_stop_queue(queue
->card
->dev
);
3423 index
= queue
->next_buf_to_fill
;
3424 q_was_packing
= queue
->do_pack
;
3425 /* queue->do_pack may change */
3427 flush_cnt
+= qeth_switch_to_nonpacking_if_needed(queue
);
3429 !atomic_read(&queue
->set_pci_flags_count
))
3431 qeth_flush_buffers_on_no_pci(queue
);
3432 if (queue
->card
->options
.performance_stats
&&
3434 queue
->card
->perf_stats
.bufs_sent_pack
+=
3437 qeth_flush_buffers(queue
, index
, flush_cnt
);
3438 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3443 void qeth_qdio_start_poll(struct ccw_device
*ccwdev
, int queue
,
3444 unsigned long card_ptr
)
3446 struct qeth_card
*card
= (struct qeth_card
*)card_ptr
;
3448 if (card
->dev
&& (card
->dev
->flags
& IFF_UP
))
3449 napi_schedule(&card
->napi
);
3451 EXPORT_SYMBOL_GPL(qeth_qdio_start_poll
);
3453 int qeth_configure_cq(struct qeth_card
*card
, enum qeth_cq cq
)
3457 if (card
->options
.cq
== QETH_CQ_NOTAVAILABLE
) {
3461 if (card
->options
.cq
== cq
) {
3466 if (card
->state
!= CARD_STATE_DOWN
&&
3467 card
->state
!= CARD_STATE_RECOVER
) {
3472 qeth_free_qdio_buffers(card
);
3473 card
->options
.cq
= cq
;
3480 EXPORT_SYMBOL_GPL(qeth_configure_cq
);
3483 static void qeth_qdio_cq_handler(struct qeth_card
*card
,
3484 unsigned int qdio_err
,
3485 unsigned int queue
, int first_element
, int count
) {
3486 struct qeth_qdio_q
*cq
= card
->qdio
.c_q
;
3490 if (!qeth_is_cq(card
, queue
))
3493 QETH_CARD_TEXT_(card
, 5, "qcqhe%d", first_element
);
3494 QETH_CARD_TEXT_(card
, 5, "qcqhc%d", count
);
3495 QETH_CARD_TEXT_(card
, 5, "qcqherr%d", qdio_err
);
3498 netif_stop_queue(card
->dev
);
3499 qeth_schedule_recovery(card
);
3503 if (card
->options
.performance_stats
) {
3504 card
->perf_stats
.cq_cnt
++;
3505 card
->perf_stats
.cq_start_time
= qeth_get_micros();
3508 for (i
= first_element
; i
< first_element
+ count
; ++i
) {
3509 int bidx
= i
% QDIO_MAX_BUFFERS_PER_Q
;
3510 struct qdio_buffer
*buffer
= &cq
->qdio_bufs
[bidx
];
3514 while (buffer
->element
[e
].addr
) {
3515 unsigned long phys_aob_addr
;
3517 phys_aob_addr
= (unsigned long) buffer
->element
[e
].addr
;
3518 qeth_qdio_handle_aob(card
, phys_aob_addr
);
3519 buffer
->element
[e
].addr
= NULL
;
3520 buffer
->element
[e
].eflags
= 0;
3521 buffer
->element
[e
].sflags
= 0;
3522 buffer
->element
[e
].length
= 0;
3527 buffer
->element
[15].eflags
= 0;
3528 buffer
->element
[15].sflags
= 0;
3530 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, queue
,
3531 card
->qdio
.c_q
->next_buf_to_init
,
3534 dev_warn(&card
->gdev
->dev
,
3535 "QDIO reported an error, rc=%i\n", rc
);
3536 QETH_CARD_TEXT(card
, 2, "qcqherr");
3538 card
->qdio
.c_q
->next_buf_to_init
= (card
->qdio
.c_q
->next_buf_to_init
3539 + count
) % QDIO_MAX_BUFFERS_PER_Q
;
3541 netif_wake_queue(card
->dev
);
3543 if (card
->options
.performance_stats
) {
3544 int delta_t
= qeth_get_micros();
3545 delta_t
-= card
->perf_stats
.cq_start_time
;
3546 card
->perf_stats
.cq_time
+= delta_t
;
3552 void qeth_qdio_input_handler(struct ccw_device
*ccwdev
, unsigned int qdio_err
,
3553 unsigned int queue
, int first_elem
, int count
,
3554 unsigned long card_ptr
)
3556 struct qeth_card
*card
= (struct qeth_card
*)card_ptr
;
3558 QETH_CARD_TEXT_(card
, 2, "qihq%d", queue
);
3559 QETH_CARD_TEXT_(card
, 2, "qiec%d", qdio_err
);
3561 if (qeth_is_cq(card
, queue
))
3562 qeth_qdio_cq_handler(card
, qdio_err
, queue
, first_elem
, count
);
3564 qeth_schedule_recovery(card
);
3568 EXPORT_SYMBOL_GPL(qeth_qdio_input_handler
);
3570 void qeth_qdio_output_handler(struct ccw_device
*ccwdev
,
3571 unsigned int qdio_error
, int __queue
, int first_element
,
3572 int count
, unsigned long card_ptr
)
3574 struct qeth_card
*card
= (struct qeth_card
*) card_ptr
;
3575 struct qeth_qdio_out_q
*queue
= card
->qdio
.out_qs
[__queue
];
3576 struct qeth_qdio_out_buffer
*buffer
;
3579 QETH_CARD_TEXT(card
, 6, "qdouhdl");
3580 if (qdio_error
& QDIO_ERROR_FATAL
) {
3581 QETH_CARD_TEXT(card
, 2, "achkcond");
3582 netif_stop_queue(card
->dev
);
3583 qeth_schedule_recovery(card
);
3586 if (card
->options
.performance_stats
) {
3587 card
->perf_stats
.outbound_handler_cnt
++;
3588 card
->perf_stats
.outbound_handler_start_time
=
3591 for (i
= first_element
; i
< (first_element
+ count
); ++i
) {
3592 int bidx
= i
% QDIO_MAX_BUFFERS_PER_Q
;
3593 buffer
= queue
->bufs
[bidx
];
3594 qeth_handle_send_error(card
, buffer
, qdio_error
);
3596 if (queue
->bufstates
&&
3597 (queue
->bufstates
[bidx
].flags
&
3598 QDIO_OUTBUF_STATE_FLAG_PENDING
) != 0) {
3599 WARN_ON_ONCE(card
->options
.cq
!= QETH_CQ_ENABLED
);
3601 if (atomic_cmpxchg(&buffer
->state
,
3602 QETH_QDIO_BUF_PRIMED
,
3603 QETH_QDIO_BUF_PENDING
) ==
3604 QETH_QDIO_BUF_PRIMED
) {
3605 qeth_notify_skbs(queue
, buffer
,
3608 buffer
->aob
= queue
->bufstates
[bidx
].aob
;
3609 QETH_CARD_TEXT_(queue
->card
, 5, "pel%d", bidx
);
3610 QETH_CARD_TEXT(queue
->card
, 5, "aob");
3611 QETH_CARD_TEXT_(queue
->card
, 5, "%lx",
3612 virt_to_phys(buffer
->aob
));
3613 if (qeth_init_qdio_out_buf(queue
, bidx
)) {
3614 QETH_CARD_TEXT(card
, 2, "outofbuf");
3615 qeth_schedule_recovery(card
);
3618 if (card
->options
.cq
== QETH_CQ_ENABLED
) {
3619 enum iucv_tx_notify n
;
3621 n
= qeth_compute_cq_notification(
3622 buffer
->buffer
->element
[15].sflags
, 0);
3623 qeth_notify_skbs(queue
, buffer
, n
);
3626 qeth_clear_output_buffer(queue
, buffer
,
3627 QETH_QDIO_BUF_EMPTY
);
3629 qeth_cleanup_handled_pending(queue
, bidx
, 0);
3631 atomic_sub(count
, &queue
->used_buffers
);
3632 /* check if we need to do something on this outbound queue */
3633 if (card
->info
.type
!= QETH_CARD_TYPE_IQD
)
3634 qeth_check_outbound_queue(queue
);
3636 netif_wake_queue(queue
->card
->dev
);
3637 if (card
->options
.performance_stats
)
3638 card
->perf_stats
.outbound_handler_time
+= qeth_get_micros() -
3639 card
->perf_stats
.outbound_handler_start_time
;
3641 EXPORT_SYMBOL_GPL(qeth_qdio_output_handler
);
3643 int qeth_get_priority_queue(struct qeth_card
*card
, struct sk_buff
*skb
,
3644 int ipv
, int cast_type
)
3646 if (!ipv
&& (card
->info
.type
== QETH_CARD_TYPE_OSD
||
3647 card
->info
.type
== QETH_CARD_TYPE_OSX
))
3648 return card
->qdio
.default_out_queue
;
3649 switch (card
->qdio
.no_out_queues
) {
3651 if (cast_type
&& card
->info
.is_multicast_different
)
3652 return card
->info
.is_multicast_different
&
3653 (card
->qdio
.no_out_queues
- 1);
3654 if (card
->qdio
.do_prio_queueing
&& (ipv
== 4)) {
3655 const u8 tos
= ip_hdr(skb
)->tos
;
3657 if (card
->qdio
.do_prio_queueing
==
3658 QETH_PRIO_Q_ING_TOS
) {
3659 if (tos
& IP_TOS_NOTIMPORTANT
)
3661 if (tos
& IP_TOS_HIGHRELIABILITY
)
3663 if (tos
& IP_TOS_HIGHTHROUGHPUT
)
3665 if (tos
& IP_TOS_LOWDELAY
)
3668 if (card
->qdio
.do_prio_queueing
==
3669 QETH_PRIO_Q_ING_PREC
)
3670 return 3 - (tos
>> 6);
3671 } else if (card
->qdio
.do_prio_queueing
&& (ipv
== 6)) {
3674 return card
->qdio
.default_out_queue
;
3675 case 1: /* fallthrough for single-out-queue 1920-device */
3677 return card
->qdio
.default_out_queue
;
3680 EXPORT_SYMBOL_GPL(qeth_get_priority_queue
);
3682 int qeth_get_elements_for_frags(struct sk_buff
*skb
)
3684 int cnt
, length
, e
, elements
= 0;
3685 struct skb_frag_struct
*frag
;
3688 for (cnt
= 0; cnt
< skb_shinfo(skb
)->nr_frags
; cnt
++) {
3689 frag
= &skb_shinfo(skb
)->frags
[cnt
];
3690 data
= (char *)page_to_phys(skb_frag_page(frag
)) +
3692 length
= frag
->size
;
3693 e
= PFN_UP((unsigned long)data
+ length
- 1) -
3694 PFN_DOWN((unsigned long)data
);
3699 EXPORT_SYMBOL_GPL(qeth_get_elements_for_frags
);
3701 int qeth_get_elements_no(struct qeth_card
*card
, void *hdr
,
3702 struct sk_buff
*skb
, int elems
)
3704 int dlen
= skb
->len
- skb
->data_len
;
3705 int elements_needed
= PFN_UP((unsigned long)skb
->data
+ dlen
- 1) -
3706 PFN_DOWN((unsigned long)skb
->data
);
3708 elements_needed
+= qeth_get_elements_for_frags(skb
);
3710 if ((elements_needed
+ elems
) > QETH_MAX_BUFFER_ELEMENTS(card
)) {
3711 QETH_DBF_MESSAGE(2, "Invalid size of IP packet "
3712 "(Number=%d / Length=%d). Discarded.\n",
3713 (elements_needed
+elems
), skb
->len
);
3716 return elements_needed
;
3718 EXPORT_SYMBOL_GPL(qeth_get_elements_no
);
3720 int qeth_hdr_chk_and_bounce(struct sk_buff
*skb
, int len
)
3722 int hroom
, inpage
, rest
;
3724 if (((unsigned long)skb
->data
& PAGE_MASK
) !=
3725 (((unsigned long)skb
->data
+ len
- 1) & PAGE_MASK
)) {
3726 hroom
= skb_headroom(skb
);
3727 inpage
= PAGE_SIZE
- ((unsigned long) skb
->data
% PAGE_SIZE
);
3728 rest
= len
- inpage
;
3731 memmove(skb
->data
- rest
, skb
->data
, skb
->len
- skb
->data_len
);
3733 QETH_DBF_MESSAGE(2, "skb bounce len: %d rest: %d\n", len
, rest
);
3737 EXPORT_SYMBOL_GPL(qeth_hdr_chk_and_bounce
);
3739 static inline void __qeth_fill_buffer(struct sk_buff
*skb
,
3740 struct qdio_buffer
*buffer
, int is_tso
, int *next_element_to_fill
,
3743 int length
= skb
->len
- skb
->data_len
;
3748 struct skb_frag_struct
*frag
;
3750 element
= *next_element_to_fill
;
3752 first_lap
= (is_tso
== 0 ? 1 : 0);
3755 data
= skb
->data
+ offset
;
3760 while (length
> 0) {
3761 /* length_here is the remaining amount of data in this page */
3762 length_here
= PAGE_SIZE
- ((unsigned long) data
% PAGE_SIZE
);
3763 if (length
< length_here
)
3764 length_here
= length
;
3766 buffer
->element
[element
].addr
= data
;
3767 buffer
->element
[element
].length
= length_here
;
3768 length
-= length_here
;
3771 if (skb_shinfo(skb
)->nr_frags
)
3772 buffer
->element
[element
].eflags
=
3773 SBAL_EFLAGS_FIRST_FRAG
;
3775 buffer
->element
[element
].eflags
= 0;
3777 buffer
->element
[element
].eflags
=
3778 SBAL_EFLAGS_MIDDLE_FRAG
;
3781 buffer
->element
[element
].eflags
=
3782 SBAL_EFLAGS_FIRST_FRAG
;
3784 buffer
->element
[element
].eflags
=
3785 SBAL_EFLAGS_MIDDLE_FRAG
;
3787 data
+= length_here
;
3792 for (cnt
= 0; cnt
< skb_shinfo(skb
)->nr_frags
; cnt
++) {
3793 frag
= &skb_shinfo(skb
)->frags
[cnt
];
3794 data
= (char *)page_to_phys(skb_frag_page(frag
)) +
3796 length
= frag
->size
;
3797 while (length
> 0) {
3798 length_here
= PAGE_SIZE
-
3799 ((unsigned long) data
% PAGE_SIZE
);
3800 if (length
< length_here
)
3801 length_here
= length
;
3803 buffer
->element
[element
].addr
= data
;
3804 buffer
->element
[element
].length
= length_here
;
3805 buffer
->element
[element
].eflags
=
3806 SBAL_EFLAGS_MIDDLE_FRAG
;
3807 length
-= length_here
;
3808 data
+= length_here
;
3813 if (buffer
->element
[element
- 1].eflags
)
3814 buffer
->element
[element
- 1].eflags
= SBAL_EFLAGS_LAST_FRAG
;
3815 *next_element_to_fill
= element
;
3818 static inline int qeth_fill_buffer(struct qeth_qdio_out_q
*queue
,
3819 struct qeth_qdio_out_buffer
*buf
, struct sk_buff
*skb
,
3820 struct qeth_hdr
*hdr
, int offset
, int hd_len
)
3822 struct qdio_buffer
*buffer
;
3823 int flush_cnt
= 0, hdr_len
, large_send
= 0;
3825 buffer
= buf
->buffer
;
3826 atomic_inc(&skb
->users
);
3827 skb_queue_tail(&buf
->skb_list
, skb
);
3829 /*check first on TSO ....*/
3830 if (hdr
->hdr
.l3
.id
== QETH_HEADER_TYPE_TSO
) {
3831 int element
= buf
->next_element_to_fill
;
3833 hdr_len
= sizeof(struct qeth_hdr_tso
) +
3834 ((struct qeth_hdr_tso
*)hdr
)->ext
.dg_hdr_len
;
3835 /*fill first buffer entry only with header information */
3836 buffer
->element
[element
].addr
= skb
->data
;
3837 buffer
->element
[element
].length
= hdr_len
;
3838 buffer
->element
[element
].eflags
= SBAL_EFLAGS_FIRST_FRAG
;
3839 buf
->next_element_to_fill
++;
3840 skb
->data
+= hdr_len
;
3841 skb
->len
-= hdr_len
;
3846 int element
= buf
->next_element_to_fill
;
3847 buffer
->element
[element
].addr
= hdr
;
3848 buffer
->element
[element
].length
= sizeof(struct qeth_hdr
) +
3850 buffer
->element
[element
].eflags
= SBAL_EFLAGS_FIRST_FRAG
;
3851 buf
->is_header
[element
] = 1;
3852 buf
->next_element_to_fill
++;
3855 __qeth_fill_buffer(skb
, buffer
, large_send
,
3856 (int *)&buf
->next_element_to_fill
, offset
);
3858 if (!queue
->do_pack
) {
3859 QETH_CARD_TEXT(queue
->card
, 6, "fillbfnp");
3860 /* set state to PRIMED -> will be flushed */
3861 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
3864 QETH_CARD_TEXT(queue
->card
, 6, "fillbfpa");
3865 if (queue
->card
->options
.performance_stats
)
3866 queue
->card
->perf_stats
.skbs_sent_pack
++;
3867 if (buf
->next_element_to_fill
>=
3868 QETH_MAX_BUFFER_ELEMENTS(queue
->card
)) {
3870 * packed buffer if full -> set state PRIMED
3871 * -> will be flushed
3873 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
3880 int qeth_do_send_packet_fast(struct qeth_card
*card
,
3881 struct qeth_qdio_out_q
*queue
, struct sk_buff
*skb
,
3882 struct qeth_hdr
*hdr
, int elements_needed
,
3883 int offset
, int hd_len
)
3885 struct qeth_qdio_out_buffer
*buffer
;
3888 /* spin until we get the queue ... */
3889 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
3890 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
3891 /* ... now we've got the queue */
3892 index
= queue
->next_buf_to_fill
;
3893 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
3895 * check if buffer is empty to make sure that we do not 'overtake'
3896 * ourselves and try to fill a buffer that is already primed
3898 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
)
3900 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ 1) %
3901 QDIO_MAX_BUFFERS_PER_Q
;
3902 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3903 qeth_fill_buffer(queue
, buffer
, skb
, hdr
, offset
, hd_len
);
3904 qeth_flush_buffers(queue
, index
, 1);
3907 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3910 EXPORT_SYMBOL_GPL(qeth_do_send_packet_fast
);
3912 int qeth_do_send_packet(struct qeth_card
*card
, struct qeth_qdio_out_q
*queue
,
3913 struct sk_buff
*skb
, struct qeth_hdr
*hdr
,
3914 int elements_needed
)
3916 struct qeth_qdio_out_buffer
*buffer
;
3918 int flush_count
= 0;
3923 /* spin until we get the queue ... */
3924 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
3925 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
3926 start_index
= queue
->next_buf_to_fill
;
3927 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
3929 * check if buffer is empty to make sure that we do not 'overtake'
3930 * ourselves and try to fill a buffer that is already primed
3932 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
) {
3933 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3936 /* check if we need to switch packing state of this queue */
3937 qeth_switch_to_packing_if_needed(queue
);
3938 if (queue
->do_pack
) {
3940 /* does packet fit in current buffer? */
3941 if ((QETH_MAX_BUFFER_ELEMENTS(card
) -
3942 buffer
->next_element_to_fill
) < elements_needed
) {
3943 /* ... no -> set state PRIMED */
3944 atomic_set(&buffer
->state
, QETH_QDIO_BUF_PRIMED
);
3946 queue
->next_buf_to_fill
=
3947 (queue
->next_buf_to_fill
+ 1) %
3948 QDIO_MAX_BUFFERS_PER_Q
;
3949 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
3950 /* we did a step forward, so check buffer state
3952 if (atomic_read(&buffer
->state
) !=
3953 QETH_QDIO_BUF_EMPTY
) {
3954 qeth_flush_buffers(queue
, start_index
,
3956 atomic_set(&queue
->state
,
3957 QETH_OUT_Q_UNLOCKED
);
3962 tmp
= qeth_fill_buffer(queue
, buffer
, skb
, hdr
, -1, 0);
3963 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ tmp
) %
3964 QDIO_MAX_BUFFERS_PER_Q
;
3967 qeth_flush_buffers(queue
, start_index
, flush_count
);
3968 else if (!atomic_read(&queue
->set_pci_flags_count
))
3969 atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
);
3971 * queue->state will go from LOCKED -> UNLOCKED or from
3972 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
3973 * (switch packing state or flush buffer to get another pci flag out).
3974 * In that case we will enter this loop
3976 while (atomic_dec_return(&queue
->state
)) {
3978 start_index
= queue
->next_buf_to_fill
;
3979 /* check if we can go back to non-packing state */
3980 flush_count
+= qeth_switch_to_nonpacking_if_needed(queue
);
3982 * check if we need to flush a packing buffer to get a pci
3983 * flag out on the queue
3985 if (!flush_count
&& !atomic_read(&queue
->set_pci_flags_count
))
3986 flush_count
+= qeth_flush_buffers_on_no_pci(queue
);
3988 qeth_flush_buffers(queue
, start_index
, flush_count
);
3990 /* at this point the queue is UNLOCKED again */
3991 if (queue
->card
->options
.performance_stats
&& do_pack
)
3992 queue
->card
->perf_stats
.bufs_sent_pack
+= flush_count
;
3996 EXPORT_SYMBOL_GPL(qeth_do_send_packet
);
3998 static int qeth_setadp_promisc_mode_cb(struct qeth_card
*card
,
3999 struct qeth_reply
*reply
, unsigned long data
)
4001 struct qeth_ipa_cmd
*cmd
;
4002 struct qeth_ipacmd_setadpparms
*setparms
;
4004 QETH_CARD_TEXT(card
, 4, "prmadpcb");
4006 cmd
= (struct qeth_ipa_cmd
*) data
;
4007 setparms
= &(cmd
->data
.setadapterparms
);
4009 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
4010 if (cmd
->hdr
.return_code
) {
4011 QETH_CARD_TEXT_(card
, 4, "prmrc%2.2x", cmd
->hdr
.return_code
);
4012 setparms
->data
.mode
= SET_PROMISC_MODE_OFF
;
4014 card
->info
.promisc_mode
= setparms
->data
.mode
;
4018 void qeth_setadp_promisc_mode(struct qeth_card
*card
)
4020 enum qeth_ipa_promisc_modes mode
;
4021 struct net_device
*dev
= card
->dev
;
4022 struct qeth_cmd_buffer
*iob
;
4023 struct qeth_ipa_cmd
*cmd
;
4025 QETH_CARD_TEXT(card
, 4, "setprom");
4027 if (((dev
->flags
& IFF_PROMISC
) &&
4028 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
)) ||
4029 (!(dev
->flags
& IFF_PROMISC
) &&
4030 (card
->info
.promisc_mode
== SET_PROMISC_MODE_OFF
)))
4032 mode
= SET_PROMISC_MODE_OFF
;
4033 if (dev
->flags
& IFF_PROMISC
)
4034 mode
= SET_PROMISC_MODE_ON
;
4035 QETH_CARD_TEXT_(card
, 4, "mode:%x", mode
);
4037 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_PROMISC_MODE
,
4038 sizeof(struct qeth_ipacmd_setadpparms
));
4039 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+ IPA_PDU_HEADER_SIZE
);
4040 cmd
->data
.setadapterparms
.data
.mode
= mode
;
4041 qeth_send_ipa_cmd(card
, iob
, qeth_setadp_promisc_mode_cb
, NULL
);
4043 EXPORT_SYMBOL_GPL(qeth_setadp_promisc_mode
);
4045 int qeth_change_mtu(struct net_device
*dev
, int new_mtu
)
4047 struct qeth_card
*card
;
4050 card
= dev
->ml_priv
;
4052 QETH_CARD_TEXT(card
, 4, "chgmtu");
4053 sprintf(dbf_text
, "%8x", new_mtu
);
4054 QETH_CARD_TEXT(card
, 4, dbf_text
);
4058 if (new_mtu
> 65535)
4060 if ((!qeth_is_supported(card
, IPA_IP_FRAGMENTATION
)) &&
4061 (!qeth_mtu_is_valid(card
, new_mtu
)))
4066 EXPORT_SYMBOL_GPL(qeth_change_mtu
);
4068 struct net_device_stats
*qeth_get_stats(struct net_device
*dev
)
4070 struct qeth_card
*card
;
4072 card
= dev
->ml_priv
;
4074 QETH_CARD_TEXT(card
, 5, "getstat");
4076 return &card
->stats
;
4078 EXPORT_SYMBOL_GPL(qeth_get_stats
);
4080 static int qeth_setadpparms_change_macaddr_cb(struct qeth_card
*card
,
4081 struct qeth_reply
*reply
, unsigned long data
)
4083 struct qeth_ipa_cmd
*cmd
;
4085 QETH_CARD_TEXT(card
, 4, "chgmaccb");
4087 cmd
= (struct qeth_ipa_cmd
*) data
;
4088 if (!card
->options
.layer2
||
4089 !(card
->info
.mac_bits
& QETH_LAYER2_MAC_READ
)) {
4090 memcpy(card
->dev
->dev_addr
,
4091 &cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
4093 card
->info
.mac_bits
|= QETH_LAYER2_MAC_READ
;
4095 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
4099 int qeth_setadpparms_change_macaddr(struct qeth_card
*card
)
4102 struct qeth_cmd_buffer
*iob
;
4103 struct qeth_ipa_cmd
*cmd
;
4105 QETH_CARD_TEXT(card
, 4, "chgmac");
4107 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_ALTER_MAC_ADDRESS
,
4108 sizeof(struct qeth_ipacmd_setadpparms
));
4109 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4110 cmd
->data
.setadapterparms
.data
.change_addr
.cmd
= CHANGE_ADDR_READ_MAC
;
4111 cmd
->data
.setadapterparms
.data
.change_addr
.addr_size
= OSA_ADDR_LEN
;
4112 memcpy(&cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
4113 card
->dev
->dev_addr
, OSA_ADDR_LEN
);
4114 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_change_macaddr_cb
,
4118 EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr
);
4120 static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card
*card
,
4121 struct qeth_reply
*reply
, unsigned long data
)
4123 struct qeth_ipa_cmd
*cmd
;
4124 struct qeth_set_access_ctrl
*access_ctrl_req
;
4125 int fallback
= *(int *)reply
->param
;
4127 QETH_CARD_TEXT(card
, 4, "setaccb");
4129 cmd
= (struct qeth_ipa_cmd
*) data
;
4130 access_ctrl_req
= &cmd
->data
.setadapterparms
.data
.set_access_ctrl
;
4131 QETH_DBF_TEXT_(SETUP
, 2, "setaccb");
4132 QETH_DBF_TEXT_(SETUP
, 2, "%s", card
->gdev
->dev
.kobj
.name
);
4133 QETH_DBF_TEXT_(SETUP
, 2, "rc=%d",
4134 cmd
->data
.setadapterparms
.hdr
.return_code
);
4135 if (cmd
->data
.setadapterparms
.hdr
.return_code
!=
4136 SET_ACCESS_CTRL_RC_SUCCESS
)
4137 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
4138 card
->gdev
->dev
.kobj
.name
,
4139 access_ctrl_req
->subcmd_code
,
4140 cmd
->data
.setadapterparms
.hdr
.return_code
);
4141 switch (cmd
->data
.setadapterparms
.hdr
.return_code
) {
4142 case SET_ACCESS_CTRL_RC_SUCCESS
:
4143 if (card
->options
.isolation
== ISOLATION_MODE_NONE
) {
4144 dev_info(&card
->gdev
->dev
,
4145 "QDIO data connection isolation is deactivated\n");
4147 dev_info(&card
->gdev
->dev
,
4148 "QDIO data connection isolation is activated\n");
4151 case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED
:
4152 QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already "
4153 "deactivated\n", dev_name(&card
->gdev
->dev
));
4155 card
->options
.isolation
= card
->options
.prev_isolation
;
4157 case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED
:
4158 QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already"
4159 " activated\n", dev_name(&card
->gdev
->dev
));
4161 card
->options
.isolation
= card
->options
.prev_isolation
;
4163 case SET_ACCESS_CTRL_RC_NOT_SUPPORTED
:
4164 dev_err(&card
->gdev
->dev
, "Adapter does not "
4165 "support QDIO data connection isolation\n");
4167 case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER
:
4168 dev_err(&card
->gdev
->dev
,
4169 "Adapter is dedicated. "
4170 "QDIO data connection isolation not supported\n");
4172 card
->options
.isolation
= card
->options
.prev_isolation
;
4174 case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF
:
4175 dev_err(&card
->gdev
->dev
,
4176 "TSO does not permit QDIO data connection isolation\n");
4178 card
->options
.isolation
= card
->options
.prev_isolation
;
4180 case SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED
:
4181 dev_err(&card
->gdev
->dev
, "The adjacent switch port does not "
4182 "support reflective relay mode\n");
4184 card
->options
.isolation
= card
->options
.prev_isolation
;
4186 case SET_ACCESS_CTRL_RC_REFLREL_FAILED
:
4187 dev_err(&card
->gdev
->dev
, "The reflective relay mode cannot be "
4188 "enabled at the adjacent switch port");
4190 card
->options
.isolation
= card
->options
.prev_isolation
;
4192 case SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED
:
4193 dev_warn(&card
->gdev
->dev
, "Turning off reflective relay mode "
4194 "at the adjacent switch failed\n");
4197 /* this should never happen */
4199 card
->options
.isolation
= card
->options
.prev_isolation
;
4202 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
4206 static int qeth_setadpparms_set_access_ctrl(struct qeth_card
*card
,
4207 enum qeth_ipa_isolation_modes isolation
, int fallback
)
4210 struct qeth_cmd_buffer
*iob
;
4211 struct qeth_ipa_cmd
*cmd
;
4212 struct qeth_set_access_ctrl
*access_ctrl_req
;
4214 QETH_CARD_TEXT(card
, 4, "setacctl");
4216 QETH_DBF_TEXT_(SETUP
, 2, "setacctl");
4217 QETH_DBF_TEXT_(SETUP
, 2, "%s", card
->gdev
->dev
.kobj
.name
);
4219 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_ACCESS_CONTROL
,
4220 sizeof(struct qeth_ipacmd_setadpparms_hdr
) +
4221 sizeof(struct qeth_set_access_ctrl
));
4222 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4223 access_ctrl_req
= &cmd
->data
.setadapterparms
.data
.set_access_ctrl
;
4224 access_ctrl_req
->subcmd_code
= isolation
;
4226 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_set_access_ctrl_cb
,
4228 QETH_DBF_TEXT_(SETUP
, 2, "rc=%d", rc
);
4232 int qeth_set_access_ctrl_online(struct qeth_card
*card
, int fallback
)
4236 QETH_CARD_TEXT(card
, 4, "setactlo");
4238 if ((card
->info
.type
== QETH_CARD_TYPE_OSD
||
4239 card
->info
.type
== QETH_CARD_TYPE_OSX
) &&
4240 qeth_adp_supported(card
, IPA_SETADP_SET_ACCESS_CONTROL
)) {
4241 rc
= qeth_setadpparms_set_access_ctrl(card
,
4242 card
->options
.isolation
, fallback
);
4245 "IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n",
4246 card
->gdev
->dev
.kobj
.name
,
4250 } else if (card
->options
.isolation
!= ISOLATION_MODE_NONE
) {
4251 card
->options
.isolation
= ISOLATION_MODE_NONE
;
4253 dev_err(&card
->gdev
->dev
, "Adapter does not "
4254 "support QDIO data connection isolation\n");
4259 EXPORT_SYMBOL_GPL(qeth_set_access_ctrl_online
);
4261 void qeth_tx_timeout(struct net_device
*dev
)
4263 struct qeth_card
*card
;
4265 card
= dev
->ml_priv
;
4266 QETH_CARD_TEXT(card
, 4, "txtimeo");
4267 card
->stats
.tx_errors
++;
4268 qeth_schedule_recovery(card
);
4270 EXPORT_SYMBOL_GPL(qeth_tx_timeout
);
4272 int qeth_mdio_read(struct net_device
*dev
, int phy_id
, int regnum
)
4274 struct qeth_card
*card
= dev
->ml_priv
;
4278 case MII_BMCR
: /* Basic mode control register */
4280 if ((card
->info
.link_type
!= QETH_LINK_TYPE_GBIT_ETH
) &&
4281 (card
->info
.link_type
!= QETH_LINK_TYPE_OSN
) &&
4282 (card
->info
.link_type
!= QETH_LINK_TYPE_10GBIT_ETH
))
4283 rc
|= BMCR_SPEED100
;
4285 case MII_BMSR
: /* Basic mode status register */
4286 rc
= BMSR_ERCAP
| BMSR_ANEGCOMPLETE
| BMSR_LSTATUS
|
4287 BMSR_10HALF
| BMSR_10FULL
| BMSR_100HALF
| BMSR_100FULL
|
4290 case MII_PHYSID1
: /* PHYS ID 1 */
4291 rc
= (dev
->dev_addr
[0] << 16) | (dev
->dev_addr
[1] << 8) |
4293 rc
= (rc
>> 5) & 0xFFFF;
4295 case MII_PHYSID2
: /* PHYS ID 2 */
4296 rc
= (dev
->dev_addr
[2] << 10) & 0xFFFF;
4298 case MII_ADVERTISE
: /* Advertisement control reg */
4301 case MII_LPA
: /* Link partner ability reg */
4302 rc
= LPA_10HALF
| LPA_10FULL
| LPA_100HALF
| LPA_100FULL
|
4303 LPA_100BASE4
| LPA_LPACK
;
4305 case MII_EXPANSION
: /* Expansion register */
4307 case MII_DCOUNTER
: /* disconnect counter */
4309 case MII_FCSCOUNTER
: /* false carrier counter */
4311 case MII_NWAYTEST
: /* N-way auto-neg test register */
4313 case MII_RERRCOUNTER
: /* rx error counter */
4314 rc
= card
->stats
.rx_errors
;
4316 case MII_SREVISION
: /* silicon revision */
4318 case MII_RESV1
: /* reserved 1 */
4320 case MII_LBRERROR
: /* loopback, rx, bypass error */
4322 case MII_PHYADDR
: /* physical address */
4324 case MII_RESV2
: /* reserved 2 */
4326 case MII_TPISTATUS
: /* TPI status for 10mbps */
4328 case MII_NCONFIG
: /* network interface config */
4335 EXPORT_SYMBOL_GPL(qeth_mdio_read
);
4337 static int qeth_send_ipa_snmp_cmd(struct qeth_card
*card
,
4338 struct qeth_cmd_buffer
*iob
, int len
,
4339 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
4345 QETH_CARD_TEXT(card
, 4, "sendsnmp");
4347 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
4348 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
4349 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
4350 /* adjust PDU length fields in IPA_PDU_HEADER */
4351 s1
= (u32
) IPA_PDU_HEADER_SIZE
+ len
;
4353 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob
->data
), &s1
, 2);
4354 memcpy(QETH_IPA_PDU_LEN_PDU1(iob
->data
), &s2
, 2);
4355 memcpy(QETH_IPA_PDU_LEN_PDU2(iob
->data
), &s2
, 2);
4356 memcpy(QETH_IPA_PDU_LEN_PDU3(iob
->data
), &s2
, 2);
4357 return qeth_send_control_data(card
, IPA_PDU_HEADER_SIZE
+ len
, iob
,
4358 reply_cb
, reply_param
);
4361 static int qeth_snmp_command_cb(struct qeth_card
*card
,
4362 struct qeth_reply
*reply
, unsigned long sdata
)
4364 struct qeth_ipa_cmd
*cmd
;
4365 struct qeth_arp_query_info
*qinfo
;
4366 struct qeth_snmp_cmd
*snmp
;
4367 unsigned char *data
;
4370 QETH_CARD_TEXT(card
, 3, "snpcmdcb");
4372 cmd
= (struct qeth_ipa_cmd
*) sdata
;
4373 data
= (unsigned char *)((char *)cmd
- reply
->offset
);
4374 qinfo
= (struct qeth_arp_query_info
*) reply
->param
;
4375 snmp
= &cmd
->data
.setadapterparms
.data
.snmp
;
4377 if (cmd
->hdr
.return_code
) {
4378 QETH_CARD_TEXT_(card
, 4, "scer1%i", cmd
->hdr
.return_code
);
4381 if (cmd
->data
.setadapterparms
.hdr
.return_code
) {
4382 cmd
->hdr
.return_code
=
4383 cmd
->data
.setadapterparms
.hdr
.return_code
;
4384 QETH_CARD_TEXT_(card
, 4, "scer2%i", cmd
->hdr
.return_code
);
4387 data_len
= *((__u16
*)QETH_IPA_PDU_LEN_PDU1(data
));
4388 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1)
4389 data_len
-= (__u16
)((char *)&snmp
->data
- (char *)cmd
);
4391 data_len
-= (__u16
)((char *)&snmp
->request
- (char *)cmd
);
4393 /* check if there is enough room in userspace */
4394 if ((qinfo
->udata_len
- qinfo
->udata_offset
) < data_len
) {
4395 QETH_CARD_TEXT_(card
, 4, "scer3%i", -ENOMEM
);
4396 cmd
->hdr
.return_code
= IPA_RC_ENOMEM
;
4399 QETH_CARD_TEXT_(card
, 4, "snore%i",
4400 cmd
->data
.setadapterparms
.hdr
.used_total
);
4401 QETH_CARD_TEXT_(card
, 4, "sseqn%i",
4402 cmd
->data
.setadapterparms
.hdr
.seq_no
);
4403 /*copy entries to user buffer*/
4404 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1) {
4405 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
4407 data_len
+ offsetof(struct qeth_snmp_cmd
, data
));
4408 qinfo
->udata_offset
+= offsetof(struct qeth_snmp_cmd
, data
);
4410 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
4411 (char *)&snmp
->request
, data_len
);
4413 qinfo
->udata_offset
+= data_len
;
4414 /* check if all replies received ... */
4415 QETH_CARD_TEXT_(card
, 4, "srtot%i",
4416 cmd
->data
.setadapterparms
.hdr
.used_total
);
4417 QETH_CARD_TEXT_(card
, 4, "srseq%i",
4418 cmd
->data
.setadapterparms
.hdr
.seq_no
);
4419 if (cmd
->data
.setadapterparms
.hdr
.seq_no
<
4420 cmd
->data
.setadapterparms
.hdr
.used_total
)
4425 int qeth_snmp_command(struct qeth_card
*card
, char __user
*udata
)
4427 struct qeth_cmd_buffer
*iob
;
4428 struct qeth_ipa_cmd
*cmd
;
4429 struct qeth_snmp_ureq
*ureq
;
4431 struct qeth_arp_query_info qinfo
= {0, };
4434 QETH_CARD_TEXT(card
, 3, "snmpcmd");
4436 if (card
->info
.guestlan
)
4439 if ((!qeth_adp_supported(card
, IPA_SETADP_SET_SNMP_CONTROL
)) &&
4440 (!card
->options
.layer2
)) {
4443 /* skip 4 bytes (data_len struct member) to get req_len */
4444 if (copy_from_user(&req_len
, udata
+ sizeof(int), sizeof(int)))
4446 ureq
= memdup_user(udata
, req_len
+ sizeof(struct qeth_snmp_ureq_hdr
));
4448 QETH_CARD_TEXT(card
, 2, "snmpnome");
4449 return PTR_ERR(ureq
);
4451 qinfo
.udata_len
= ureq
->hdr
.data_len
;
4452 qinfo
.udata
= kzalloc(qinfo
.udata_len
, GFP_KERNEL
);
4457 qinfo
.udata_offset
= sizeof(struct qeth_snmp_ureq_hdr
);
4459 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_SNMP_CONTROL
,
4460 QETH_SNMP_SETADP_CMDLENGTH
+ req_len
);
4461 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4462 memcpy(&cmd
->data
.setadapterparms
.data
.snmp
, &ureq
->cmd
, req_len
);
4463 rc
= qeth_send_ipa_snmp_cmd(card
, iob
, QETH_SETADP_BASE_LEN
+ req_len
,
4464 qeth_snmp_command_cb
, (void *)&qinfo
);
4466 QETH_DBF_MESSAGE(2, "SNMP command failed on %s: (0x%x)\n",
4467 QETH_CARD_IFNAME(card
), rc
);
4469 if (copy_to_user(udata
, qinfo
.udata
, qinfo
.udata_len
))
4477 EXPORT_SYMBOL_GPL(qeth_snmp_command
);
4479 static int qeth_setadpparms_query_oat_cb(struct qeth_card
*card
,
4480 struct qeth_reply
*reply
, unsigned long data
)
4482 struct qeth_ipa_cmd
*cmd
;
4483 struct qeth_qoat_priv
*priv
;
4487 QETH_CARD_TEXT(card
, 3, "qoatcb");
4489 cmd
= (struct qeth_ipa_cmd
*)data
;
4490 priv
= (struct qeth_qoat_priv
*)reply
->param
;
4491 resdatalen
= cmd
->data
.setadapterparms
.hdr
.cmdlength
;
4492 resdata
= (char *)data
+ 28;
4494 if (resdatalen
> (priv
->buffer_len
- priv
->response_len
)) {
4495 cmd
->hdr
.return_code
= IPA_RC_FFFF
;
4499 memcpy((priv
->buffer
+ priv
->response_len
), resdata
,
4501 priv
->response_len
+= resdatalen
;
4503 if (cmd
->data
.setadapterparms
.hdr
.seq_no
<
4504 cmd
->data
.setadapterparms
.hdr
.used_total
)
4509 int qeth_query_oat_command(struct qeth_card
*card
, char __user
*udata
)
4512 struct qeth_cmd_buffer
*iob
;
4513 struct qeth_ipa_cmd
*cmd
;
4514 struct qeth_query_oat
*oat_req
;
4515 struct qeth_query_oat_data oat_data
;
4516 struct qeth_qoat_priv priv
;
4519 QETH_CARD_TEXT(card
, 3, "qoatcmd");
4521 if (!qeth_adp_supported(card
, IPA_SETADP_QUERY_OAT
)) {
4526 if (copy_from_user(&oat_data
, udata
,
4527 sizeof(struct qeth_query_oat_data
))) {
4532 priv
.buffer_len
= oat_data
.buffer_len
;
4533 priv
.response_len
= 0;
4534 priv
.buffer
= kzalloc(oat_data
.buffer_len
, GFP_KERNEL
);
4540 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_QUERY_OAT
,
4541 sizeof(struct qeth_ipacmd_setadpparms_hdr
) +
4542 sizeof(struct qeth_query_oat
));
4543 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4544 oat_req
= &cmd
->data
.setadapterparms
.data
.query_oat
;
4545 oat_req
->subcmd_code
= oat_data
.command
;
4547 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_query_oat_cb
,
4550 if (is_compat_task())
4551 tmp
= compat_ptr(oat_data
.ptr
);
4553 tmp
= (void __user
*)(unsigned long)oat_data
.ptr
;
4555 if (copy_to_user(tmp
, priv
.buffer
,
4556 priv
.response_len
)) {
4561 oat_data
.response_len
= priv
.response_len
;
4563 if (copy_to_user(udata
, &oat_data
,
4564 sizeof(struct qeth_query_oat_data
)))
4567 if (rc
== IPA_RC_FFFF
)
4575 EXPORT_SYMBOL_GPL(qeth_query_oat_command
);
4577 static inline int qeth_get_qdio_q_format(struct qeth_card
*card
)
4579 switch (card
->info
.type
) {
4580 case QETH_CARD_TYPE_IQD
:
4587 static void qeth_determine_capabilities(struct qeth_card
*card
)
4592 struct ccw_device
*ddev
;
4593 int ddev_offline
= 0;
4595 QETH_DBF_TEXT(SETUP
, 2, "detcapab");
4596 ddev
= CARD_DDEV(card
);
4597 if (!ddev
->online
) {
4599 rc
= ccw_device_set_online(ddev
);
4601 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
4606 rc
= qeth_read_conf_data(card
, (void **) &prcd
, &length
);
4608 QETH_DBF_MESSAGE(2, "%s qeth_read_conf_data returned %i\n",
4609 dev_name(&card
->gdev
->dev
), rc
);
4610 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
4613 qeth_configure_unitaddr(card
, prcd
);
4615 qeth_configure_blkt_default(card
, prcd
);
4618 rc
= qdio_get_ssqd_desc(ddev
, &card
->ssqd
);
4620 QETH_DBF_TEXT_(SETUP
, 2, "6err%d", rc
);
4622 QETH_DBF_TEXT_(SETUP
, 2, "qfmt%d", card
->ssqd
.qfmt
);
4623 QETH_DBF_TEXT_(SETUP
, 2, "%d", card
->ssqd
.qdioac1
);
4624 QETH_DBF_TEXT_(SETUP
, 2, "%d", card
->ssqd
.qdioac3
);
4625 QETH_DBF_TEXT_(SETUP
, 2, "icnt%d", card
->ssqd
.icnt
);
4626 if (!((card
->ssqd
.qfmt
!= QDIO_IQDIO_QFMT
) ||
4627 ((card
->ssqd
.qdioac1
& CHSC_AC1_INITIATE_INPUTQ
) == 0) ||
4628 ((card
->ssqd
.qdioac3
& CHSC_AC3_FORMAT2_CQ_AVAILABLE
) == 0))) {
4629 dev_info(&card
->gdev
->dev
,
4630 "Completion Queueing supported\n");
4632 card
->options
.cq
= QETH_CQ_NOTAVAILABLE
;
4637 if (ddev_offline
== 1)
4638 ccw_device_set_offline(ddev
);
4643 static inline void qeth_qdio_establish_cq(struct qeth_card
*card
,
4644 struct qdio_buffer
**in_sbal_ptrs
,
4645 void (**queue_start_poll
) (struct ccw_device
*, int, unsigned long)) {
4648 if (card
->options
.cq
== QETH_CQ_ENABLED
) {
4649 int offset
= QDIO_MAX_BUFFERS_PER_Q
*
4650 (card
->qdio
.no_in_queues
- 1);
4651 i
= QDIO_MAX_BUFFERS_PER_Q
* (card
->qdio
.no_in_queues
- 1);
4652 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
) {
4653 in_sbal_ptrs
[offset
+ i
] = (struct qdio_buffer
*)
4654 virt_to_phys(card
->qdio
.c_q
->bufs
[i
].buffer
);
4657 queue_start_poll
[card
->qdio
.no_in_queues
- 1] = NULL
;
4661 static int qeth_qdio_establish(struct qeth_card
*card
)
4663 struct qdio_initialize init_data
;
4664 char *qib_param_field
;
4665 struct qdio_buffer
**in_sbal_ptrs
;
4666 void (**queue_start_poll
) (struct ccw_device
*, int, unsigned long);
4667 struct qdio_buffer
**out_sbal_ptrs
;
4671 QETH_DBF_TEXT(SETUP
, 2, "qdioest");
4673 qib_param_field
= kzalloc(QDIO_MAX_BUFFERS_PER_Q
* sizeof(char),
4675 if (!qib_param_field
) {
4677 goto out_free_nothing
;
4680 qeth_create_qib_param_field(card
, qib_param_field
);
4681 qeth_create_qib_param_field_blkt(card
, qib_param_field
);
4683 in_sbal_ptrs
= kzalloc(card
->qdio
.no_in_queues
*
4684 QDIO_MAX_BUFFERS_PER_Q
* sizeof(void *),
4686 if (!in_sbal_ptrs
) {
4688 goto out_free_qib_param
;
4690 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
) {
4691 in_sbal_ptrs
[i
] = (struct qdio_buffer
*)
4692 virt_to_phys(card
->qdio
.in_q
->bufs
[i
].buffer
);
4695 queue_start_poll
= kzalloc(sizeof(void *) * card
->qdio
.no_in_queues
,
4697 if (!queue_start_poll
) {
4699 goto out_free_in_sbals
;
4701 for (i
= 0; i
< card
->qdio
.no_in_queues
; ++i
)
4702 queue_start_poll
[i
] = card
->discipline
->start_poll
;
4704 qeth_qdio_establish_cq(card
, in_sbal_ptrs
, queue_start_poll
);
4707 kzalloc(card
->qdio
.no_out_queues
* QDIO_MAX_BUFFERS_PER_Q
*
4708 sizeof(void *), GFP_KERNEL
);
4709 if (!out_sbal_ptrs
) {
4711 goto out_free_queue_start_poll
;
4713 for (i
= 0, k
= 0; i
< card
->qdio
.no_out_queues
; ++i
)
4714 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
, ++k
) {
4715 out_sbal_ptrs
[k
] = (struct qdio_buffer
*)virt_to_phys(
4716 card
->qdio
.out_qs
[i
]->bufs
[j
]->buffer
);
4719 memset(&init_data
, 0, sizeof(struct qdio_initialize
));
4720 init_data
.cdev
= CARD_DDEV(card
);
4721 init_data
.q_format
= qeth_get_qdio_q_format(card
);
4722 init_data
.qib_param_field_format
= 0;
4723 init_data
.qib_param_field
= qib_param_field
;
4724 init_data
.no_input_qs
= card
->qdio
.no_in_queues
;
4725 init_data
.no_output_qs
= card
->qdio
.no_out_queues
;
4726 init_data
.input_handler
= card
->discipline
->input_handler
;
4727 init_data
.output_handler
= card
->discipline
->output_handler
;
4728 init_data
.queue_start_poll_array
= queue_start_poll
;
4729 init_data
.int_parm
= (unsigned long) card
;
4730 init_data
.input_sbal_addr_array
= (void **) in_sbal_ptrs
;
4731 init_data
.output_sbal_addr_array
= (void **) out_sbal_ptrs
;
4732 init_data
.output_sbal_state_array
= card
->qdio
.out_bufstates
;
4733 init_data
.scan_threshold
=
4734 (card
->info
.type
== QETH_CARD_TYPE_IQD
) ? 1 : 32;
4736 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
,
4737 QETH_QDIO_ESTABLISHED
) == QETH_QDIO_ALLOCATED
) {
4738 rc
= qdio_allocate(&init_data
);
4740 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
4743 rc
= qdio_establish(&init_data
);
4745 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
4746 qdio_free(CARD_DDEV(card
));
4750 switch (card
->options
.cq
) {
4751 case QETH_CQ_ENABLED
:
4752 dev_info(&card
->gdev
->dev
, "Completion Queue support enabled");
4754 case QETH_CQ_DISABLED
:
4755 dev_info(&card
->gdev
->dev
, "Completion Queue support disabled");
4761 kfree(out_sbal_ptrs
);
4762 out_free_queue_start_poll
:
4763 kfree(queue_start_poll
);
4765 kfree(in_sbal_ptrs
);
4767 kfree(qib_param_field
);
4772 static void qeth_core_free_card(struct qeth_card
*card
)
4775 QETH_DBF_TEXT(SETUP
, 2, "freecrd");
4776 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
4777 qeth_clean_channel(&card
->read
);
4778 qeth_clean_channel(&card
->write
);
4780 free_netdev(card
->dev
);
4781 kfree(card
->ip_tbd_list
);
4782 qeth_free_qdio_buffers(card
);
4783 unregister_service_level(&card
->qeth_service_level
);
4787 void qeth_trace_features(struct qeth_card
*card
)
4789 QETH_CARD_TEXT(card
, 2, "features");
4790 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.ipa4
.supported_funcs
);
4791 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.ipa4
.enabled_funcs
);
4792 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.ipa6
.supported_funcs
);
4793 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.ipa6
.enabled_funcs
);
4794 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.adp
.supported_funcs
);
4795 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.adp
.enabled_funcs
);
4796 QETH_CARD_TEXT_(card
, 2, "%x", card
->info
.diagass_support
);
4798 EXPORT_SYMBOL_GPL(qeth_trace_features
);
4800 static struct ccw_device_id qeth_ids
[] = {
4801 {CCW_DEVICE_DEVTYPE(0x1731, 0x01, 0x1732, 0x01),
4802 .driver_info
= QETH_CARD_TYPE_OSD
},
4803 {CCW_DEVICE_DEVTYPE(0x1731, 0x05, 0x1732, 0x05),
4804 .driver_info
= QETH_CARD_TYPE_IQD
},
4805 {CCW_DEVICE_DEVTYPE(0x1731, 0x06, 0x1732, 0x06),
4806 .driver_info
= QETH_CARD_TYPE_OSN
},
4807 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x03),
4808 .driver_info
= QETH_CARD_TYPE_OSM
},
4809 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x02),
4810 .driver_info
= QETH_CARD_TYPE_OSX
},
4813 MODULE_DEVICE_TABLE(ccw
, qeth_ids
);
4815 static struct ccw_driver qeth_ccw_driver
= {
4817 .owner
= THIS_MODULE
,
4821 .probe
= ccwgroup_probe_ccwdev
,
4822 .remove
= ccwgroup_remove_ccwdev
,
4825 int qeth_core_hardsetup_card(struct qeth_card
*card
)
4830 QETH_DBF_TEXT(SETUP
, 2, "hrdsetup");
4831 atomic_set(&card
->force_alloc_skb
, 0);
4832 qeth_update_from_chp_desc(card
);
4835 QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
4836 dev_name(&card
->gdev
->dev
));
4837 ccw_device_set_offline(CARD_DDEV(card
));
4838 ccw_device_set_offline(CARD_WDEV(card
));
4839 ccw_device_set_offline(CARD_RDEV(card
));
4840 rc
= ccw_device_set_online(CARD_RDEV(card
));
4843 rc
= ccw_device_set_online(CARD_WDEV(card
));
4846 rc
= ccw_device_set_online(CARD_DDEV(card
));
4849 rc
= qeth_qdio_clear_card(card
, card
->info
.type
!= QETH_CARD_TYPE_IQD
);
4851 if (rc
== -ERESTARTSYS
) {
4852 QETH_DBF_TEXT(SETUP
, 2, "break1");
4855 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
4861 qeth_determine_capabilities(card
);
4862 qeth_init_tokens(card
);
4863 qeth_init_func_level(card
);
4864 rc
= qeth_idx_activate_channel(&card
->read
, qeth_idx_read_cb
);
4865 if (rc
== -ERESTARTSYS
) {
4866 QETH_DBF_TEXT(SETUP
, 2, "break2");
4869 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
4875 rc
= qeth_idx_activate_channel(&card
->write
, qeth_idx_write_cb
);
4876 if (rc
== -ERESTARTSYS
) {
4877 QETH_DBF_TEXT(SETUP
, 2, "break3");
4880 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
4886 card
->read_or_write_problem
= 0;
4887 rc
= qeth_mpc_initialize(card
);
4889 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
4893 card
->options
.ipa4
.supported_funcs
= 0;
4894 card
->options
.adp
.supported_funcs
= 0;
4895 card
->info
.diagass_support
= 0;
4896 qeth_query_ipassists(card
, QETH_PROT_IPV4
);
4897 if (qeth_is_supported(card
, IPA_SETADAPTERPARMS
))
4898 qeth_query_setadapterparms(card
);
4899 if (qeth_adp_supported(card
, IPA_SETADP_SET_DIAG_ASSIST
))
4900 qeth_query_setdiagass(card
);
4903 dev_warn(&card
->gdev
->dev
, "The qeth device driver failed to recover "
4904 "an error on the device\n");
4905 QETH_DBF_MESSAGE(2, "%s Initialization in hardsetup failed! rc=%d\n",
4906 dev_name(&card
->gdev
->dev
), rc
);
4909 EXPORT_SYMBOL_GPL(qeth_core_hardsetup_card
);
4911 static inline int qeth_create_skb_frag(struct qeth_qdio_buffer
*qethbuffer
,
4912 struct qdio_buffer_element
*element
,
4913 struct sk_buff
**pskb
, int offset
, int *pfrag
, int data_len
)
4915 struct page
*page
= virt_to_page(element
->addr
);
4916 if (*pskb
== NULL
) {
4917 if (qethbuffer
->rx_skb
) {
4918 /* only if qeth_card.options.cq == QETH_CQ_ENABLED */
4919 *pskb
= qethbuffer
->rx_skb
;
4920 qethbuffer
->rx_skb
= NULL
;
4922 *pskb
= dev_alloc_skb(QETH_RX_PULL_LEN
+ ETH_HLEN
);
4927 skb_reserve(*pskb
, ETH_HLEN
);
4928 if (data_len
<= QETH_RX_PULL_LEN
) {
4929 memcpy(skb_put(*pskb
, data_len
), element
->addr
+ offset
,
4933 memcpy(skb_put(*pskb
, QETH_RX_PULL_LEN
),
4934 element
->addr
+ offset
, QETH_RX_PULL_LEN
);
4935 skb_fill_page_desc(*pskb
, *pfrag
, page
,
4936 offset
+ QETH_RX_PULL_LEN
,
4937 data_len
- QETH_RX_PULL_LEN
);
4938 (*pskb
)->data_len
+= data_len
- QETH_RX_PULL_LEN
;
4939 (*pskb
)->len
+= data_len
- QETH_RX_PULL_LEN
;
4940 (*pskb
)->truesize
+= data_len
- QETH_RX_PULL_LEN
;
4945 skb_fill_page_desc(*pskb
, *pfrag
, page
, offset
, data_len
);
4946 (*pskb
)->data_len
+= data_len
;
4947 (*pskb
)->len
+= data_len
;
4948 (*pskb
)->truesize
+= data_len
;
4956 struct sk_buff
*qeth_core_get_next_skb(struct qeth_card
*card
,
4957 struct qeth_qdio_buffer
*qethbuffer
,
4958 struct qdio_buffer_element
**__element
, int *__offset
,
4959 struct qeth_hdr
**hdr
)
4961 struct qdio_buffer_element
*element
= *__element
;
4962 struct qdio_buffer
*buffer
= qethbuffer
->buffer
;
4963 int offset
= *__offset
;
4964 struct sk_buff
*skb
= NULL
;
4972 /* qeth_hdr must not cross element boundaries */
4973 if (element
->length
< offset
+ sizeof(struct qeth_hdr
)) {
4974 if (qeth_is_last_sbale(element
))
4978 if (element
->length
< sizeof(struct qeth_hdr
))
4981 *hdr
= element
->addr
+ offset
;
4983 offset
+= sizeof(struct qeth_hdr
);
4984 switch ((*hdr
)->hdr
.l2
.id
) {
4985 case QETH_HEADER_TYPE_LAYER2
:
4986 skb_len
= (*hdr
)->hdr
.l2
.pkt_length
;
4988 case QETH_HEADER_TYPE_LAYER3
:
4989 skb_len
= (*hdr
)->hdr
.l3
.length
;
4990 headroom
= ETH_HLEN
;
4992 case QETH_HEADER_TYPE_OSN
:
4993 skb_len
= (*hdr
)->hdr
.osn
.pdu_length
;
4994 headroom
= sizeof(struct qeth_hdr
);
5003 if (((skb_len
>= card
->options
.rx_sg_cb
) &&
5004 (!(card
->info
.type
== QETH_CARD_TYPE_OSN
)) &&
5005 (!atomic_read(&card
->force_alloc_skb
))) ||
5006 (card
->options
.cq
== QETH_CQ_ENABLED
)) {
5009 skb
= dev_alloc_skb(skb_len
+ headroom
);
5013 skb_reserve(skb
, headroom
);
5016 data_ptr
= element
->addr
+ offset
;
5018 data_len
= min(skb_len
, (int)(element
->length
- offset
));
5021 if (qeth_create_skb_frag(qethbuffer
, element
,
5022 &skb
, offset
, &frag
, data_len
))
5025 memcpy(skb_put(skb
, data_len
), data_ptr
,
5029 skb_len
-= data_len
;
5031 if (qeth_is_last_sbale(element
)) {
5032 QETH_CARD_TEXT(card
, 4, "unexeob");
5033 QETH_CARD_HEX(card
, 2, buffer
, sizeof(void *));
5034 dev_kfree_skb_any(skb
);
5035 card
->stats
.rx_errors
++;
5040 data_ptr
= element
->addr
;
5045 *__element
= element
;
5047 if (use_rx_sg
&& card
->options
.performance_stats
) {
5048 card
->perf_stats
.sg_skbs_rx
++;
5049 card
->perf_stats
.sg_frags_rx
+= skb_shinfo(skb
)->nr_frags
;
5053 if (net_ratelimit()) {
5054 QETH_CARD_TEXT(card
, 2, "noskbmem");
5056 card
->stats
.rx_dropped
++;
5059 EXPORT_SYMBOL_GPL(qeth_core_get_next_skb
);
5061 static void qeth_unregister_dbf_views(void)
5064 for (x
= 0; x
< QETH_DBF_INFOS
; x
++) {
5065 debug_unregister(qeth_dbf
[x
].id
);
5066 qeth_dbf
[x
].id
= NULL
;
5070 void qeth_dbf_longtext(debug_info_t
*id
, int level
, char *fmt
, ...)
5072 char dbf_txt_buf
[32];
5075 if (level
> id
->level
)
5077 va_start(args
, fmt
);
5078 vsnprintf(dbf_txt_buf
, sizeof(dbf_txt_buf
), fmt
, args
);
5080 debug_text_event(id
, level
, dbf_txt_buf
);
5082 EXPORT_SYMBOL_GPL(qeth_dbf_longtext
);
5084 static int qeth_register_dbf_views(void)
5089 for (x
= 0; x
< QETH_DBF_INFOS
; x
++) {
5090 /* register the areas */
5091 qeth_dbf
[x
].id
= debug_register(qeth_dbf
[x
].name
,
5095 if (qeth_dbf
[x
].id
== NULL
) {
5096 qeth_unregister_dbf_views();
5100 /* register a view */
5101 ret
= debug_register_view(qeth_dbf
[x
].id
, qeth_dbf
[x
].view
);
5103 qeth_unregister_dbf_views();
5107 /* set a passing level */
5108 debug_set_level(qeth_dbf
[x
].id
, qeth_dbf
[x
].level
);
5114 int qeth_core_load_discipline(struct qeth_card
*card
,
5115 enum qeth_discipline_id discipline
)
5118 mutex_lock(&qeth_mod_mutex
);
5119 switch (discipline
) {
5120 case QETH_DISCIPLINE_LAYER3
:
5121 card
->discipline
= try_then_request_module(
5122 symbol_get(qeth_l3_discipline
), "qeth_l3");
5124 case QETH_DISCIPLINE_LAYER2
:
5125 card
->discipline
= try_then_request_module(
5126 symbol_get(qeth_l2_discipline
), "qeth_l2");
5129 if (!card
->discipline
) {
5130 dev_err(&card
->gdev
->dev
, "There is no kernel module to "
5131 "support discipline %d\n", discipline
);
5134 mutex_unlock(&qeth_mod_mutex
);
5138 void qeth_core_free_discipline(struct qeth_card
*card
)
5140 if (card
->options
.layer2
)
5141 symbol_put(qeth_l2_discipline
);
5143 symbol_put(qeth_l3_discipline
);
5144 card
->discipline
= NULL
;
5147 static const struct device_type qeth_generic_devtype
= {
5148 .name
= "qeth_generic",
5149 .groups
= qeth_generic_attr_groups
,
5151 static const struct device_type qeth_osn_devtype
= {
5153 .groups
= qeth_osn_attr_groups
,
5156 #define DBF_NAME_LEN 20
5158 struct qeth_dbf_entry
{
5159 char dbf_name
[DBF_NAME_LEN
];
5160 debug_info_t
*dbf_info
;
5161 struct list_head dbf_list
;
5164 static LIST_HEAD(qeth_dbf_list
);
5165 static DEFINE_MUTEX(qeth_dbf_list_mutex
);
5167 static debug_info_t
*qeth_get_dbf_entry(char *name
)
5169 struct qeth_dbf_entry
*entry
;
5170 debug_info_t
*rc
= NULL
;
5172 mutex_lock(&qeth_dbf_list_mutex
);
5173 list_for_each_entry(entry
, &qeth_dbf_list
, dbf_list
) {
5174 if (strcmp(entry
->dbf_name
, name
) == 0) {
5175 rc
= entry
->dbf_info
;
5179 mutex_unlock(&qeth_dbf_list_mutex
);
5183 static int qeth_add_dbf_entry(struct qeth_card
*card
, char *name
)
5185 struct qeth_dbf_entry
*new_entry
;
5187 card
->debug
= debug_register(name
, 2, 1, 8);
5189 QETH_DBF_TEXT_(SETUP
, 2, "%s", "qcdbf");
5192 if (debug_register_view(card
->debug
, &debug_hex_ascii_view
))
5194 new_entry
= kzalloc(sizeof(struct qeth_dbf_entry
), GFP_KERNEL
);
5197 strncpy(new_entry
->dbf_name
, name
, DBF_NAME_LEN
);
5198 new_entry
->dbf_info
= card
->debug
;
5199 mutex_lock(&qeth_dbf_list_mutex
);
5200 list_add(&new_entry
->dbf_list
, &qeth_dbf_list
);
5201 mutex_unlock(&qeth_dbf_list_mutex
);
5206 debug_unregister(card
->debug
);
5211 static void qeth_clear_dbf_list(void)
5213 struct qeth_dbf_entry
*entry
, *tmp
;
5215 mutex_lock(&qeth_dbf_list_mutex
);
5216 list_for_each_entry_safe(entry
, tmp
, &qeth_dbf_list
, dbf_list
) {
5217 list_del(&entry
->dbf_list
);
5218 debug_unregister(entry
->dbf_info
);
5221 mutex_unlock(&qeth_dbf_list_mutex
);
5224 static int qeth_core_probe_device(struct ccwgroup_device
*gdev
)
5226 struct qeth_card
*card
;
5229 unsigned long flags
;
5230 char dbf_name
[DBF_NAME_LEN
];
5232 QETH_DBF_TEXT(SETUP
, 2, "probedev");
5235 if (!get_device(dev
))
5238 QETH_DBF_TEXT_(SETUP
, 2, "%s", dev_name(&gdev
->dev
));
5240 card
= qeth_alloc_card();
5242 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", -ENOMEM
);
5247 snprintf(dbf_name
, sizeof(dbf_name
), "qeth_card_%s",
5248 dev_name(&gdev
->dev
));
5249 card
->debug
= qeth_get_dbf_entry(dbf_name
);
5251 rc
= qeth_add_dbf_entry(card
, dbf_name
);
5256 card
->read
.ccwdev
= gdev
->cdev
[0];
5257 card
->write
.ccwdev
= gdev
->cdev
[1];
5258 card
->data
.ccwdev
= gdev
->cdev
[2];
5259 dev_set_drvdata(&gdev
->dev
, card
);
5261 gdev
->cdev
[0]->handler
= qeth_irq
;
5262 gdev
->cdev
[1]->handler
= qeth_irq
;
5263 gdev
->cdev
[2]->handler
= qeth_irq
;
5265 rc
= qeth_determine_card_type(card
);
5267 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
5270 rc
= qeth_setup_card(card
);
5272 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
5276 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
5277 gdev
->dev
.type
= &qeth_osn_devtype
;
5279 gdev
->dev
.type
= &qeth_generic_devtype
;
5281 switch (card
->info
.type
) {
5282 case QETH_CARD_TYPE_OSN
:
5283 case QETH_CARD_TYPE_OSM
:
5284 rc
= qeth_core_load_discipline(card
, QETH_DISCIPLINE_LAYER2
);
5287 rc
= card
->discipline
->setup(card
->gdev
);
5290 case QETH_CARD_TYPE_OSD
:
5291 case QETH_CARD_TYPE_OSX
:
5296 write_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
5297 list_add_tail(&card
->list
, &qeth_core_card_list
.list
);
5298 write_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
5300 qeth_determine_capabilities(card
);
5304 qeth_core_free_discipline(card
);
5306 qeth_core_free_card(card
);
5312 static void qeth_core_remove_device(struct ccwgroup_device
*gdev
)
5314 unsigned long flags
;
5315 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5317 QETH_DBF_TEXT(SETUP
, 2, "removedv");
5319 if (card
->discipline
) {
5320 card
->discipline
->remove(gdev
);
5321 qeth_core_free_discipline(card
);
5324 write_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
5325 list_del(&card
->list
);
5326 write_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
5327 qeth_core_free_card(card
);
5328 dev_set_drvdata(&gdev
->dev
, NULL
);
5329 put_device(&gdev
->dev
);
5333 static int qeth_core_set_online(struct ccwgroup_device
*gdev
)
5335 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5339 if (!card
->discipline
) {
5340 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
5341 def_discipline
= QETH_DISCIPLINE_LAYER3
;
5343 def_discipline
= QETH_DISCIPLINE_LAYER2
;
5344 rc
= qeth_core_load_discipline(card
, def_discipline
);
5347 rc
= card
->discipline
->setup(card
->gdev
);
5351 rc
= card
->discipline
->set_online(gdev
);
5356 static int qeth_core_set_offline(struct ccwgroup_device
*gdev
)
5358 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5359 return card
->discipline
->set_offline(gdev
);
5362 static void qeth_core_shutdown(struct ccwgroup_device
*gdev
)
5364 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5365 if (card
->discipline
&& card
->discipline
->shutdown
)
5366 card
->discipline
->shutdown(gdev
);
5369 static int qeth_core_prepare(struct ccwgroup_device
*gdev
)
5371 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5372 if (card
->discipline
&& card
->discipline
->prepare
)
5373 return card
->discipline
->prepare(gdev
);
5377 static void qeth_core_complete(struct ccwgroup_device
*gdev
)
5379 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5380 if (card
->discipline
&& card
->discipline
->complete
)
5381 card
->discipline
->complete(gdev
);
5384 static int qeth_core_freeze(struct ccwgroup_device
*gdev
)
5386 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5387 if (card
->discipline
&& card
->discipline
->freeze
)
5388 return card
->discipline
->freeze(gdev
);
5392 static int qeth_core_thaw(struct ccwgroup_device
*gdev
)
5394 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5395 if (card
->discipline
&& card
->discipline
->thaw
)
5396 return card
->discipline
->thaw(gdev
);
5400 static int qeth_core_restore(struct ccwgroup_device
*gdev
)
5402 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5403 if (card
->discipline
&& card
->discipline
->restore
)
5404 return card
->discipline
->restore(gdev
);
5408 static struct ccwgroup_driver qeth_core_ccwgroup_driver
= {
5410 .owner
= THIS_MODULE
,
5413 .setup
= qeth_core_probe_device
,
5414 .remove
= qeth_core_remove_device
,
5415 .set_online
= qeth_core_set_online
,
5416 .set_offline
= qeth_core_set_offline
,
5417 .shutdown
= qeth_core_shutdown
,
5418 .prepare
= qeth_core_prepare
,
5419 .complete
= qeth_core_complete
,
5420 .freeze
= qeth_core_freeze
,
5421 .thaw
= qeth_core_thaw
,
5422 .restore
= qeth_core_restore
,
5425 static ssize_t
qeth_core_driver_group_store(struct device_driver
*ddrv
,
5426 const char *buf
, size_t count
)
5430 err
= ccwgroup_create_dev(qeth_core_root_dev
,
5431 &qeth_core_ccwgroup_driver
, 3, buf
);
5433 return err
? err
: count
;
5435 static DRIVER_ATTR(group
, 0200, NULL
, qeth_core_driver_group_store
);
5437 static struct attribute
*qeth_drv_attrs
[] = {
5438 &driver_attr_group
.attr
,
5441 static struct attribute_group qeth_drv_attr_group
= {
5442 .attrs
= qeth_drv_attrs
,
5444 static const struct attribute_group
*qeth_drv_attr_groups
[] = {
5445 &qeth_drv_attr_group
,
5450 const char str
[ETH_GSTRING_LEN
];
5451 } qeth_ethtool_stats_keys
[] = {
5456 {"tx skbs no packing"},
5457 {"tx buffers no packing"},
5458 {"tx skbs packing"},
5459 {"tx buffers packing"},
5462 /* 10 */{"rx sg skbs"},
5464 {"rx sg page allocs"},
5465 {"tx large kbytes"},
5467 {"tx pk state ch n->p"},
5468 {"tx pk state ch p->n"},
5469 {"tx pk watermark low"},
5470 {"tx pk watermark high"},
5471 {"queue 0 buffer usage"},
5472 /* 20 */{"queue 1 buffer usage"},
5473 {"queue 2 buffer usage"},
5474 {"queue 3 buffer usage"},
5477 {"rx do_QDIO time"},
5478 {"rx do_QDIO count"},
5479 {"tx handler time"},
5480 {"tx handler count"},
5482 /* 30 */{"tx count"},
5483 {"tx do_QDIO time"},
5484 {"tx do_QDIO count"},
5487 {"cq handler count"},
5491 int qeth_core_get_sset_count(struct net_device
*dev
, int stringset
)
5493 switch (stringset
) {
5495 return (sizeof(qeth_ethtool_stats_keys
) / ETH_GSTRING_LEN
);
5500 EXPORT_SYMBOL_GPL(qeth_core_get_sset_count
);
5502 void qeth_core_get_ethtool_stats(struct net_device
*dev
,
5503 struct ethtool_stats
*stats
, u64
*data
)
5505 struct qeth_card
*card
= dev
->ml_priv
;
5506 data
[0] = card
->stats
.rx_packets
-
5507 card
->perf_stats
.initial_rx_packets
;
5508 data
[1] = card
->perf_stats
.bufs_rec
;
5509 data
[2] = card
->stats
.tx_packets
-
5510 card
->perf_stats
.initial_tx_packets
;
5511 data
[3] = card
->perf_stats
.bufs_sent
;
5512 data
[4] = card
->stats
.tx_packets
- card
->perf_stats
.initial_tx_packets
5513 - card
->perf_stats
.skbs_sent_pack
;
5514 data
[5] = card
->perf_stats
.bufs_sent
- card
->perf_stats
.bufs_sent_pack
;
5515 data
[6] = card
->perf_stats
.skbs_sent_pack
;
5516 data
[7] = card
->perf_stats
.bufs_sent_pack
;
5517 data
[8] = card
->perf_stats
.sg_skbs_sent
;
5518 data
[9] = card
->perf_stats
.sg_frags_sent
;
5519 data
[10] = card
->perf_stats
.sg_skbs_rx
;
5520 data
[11] = card
->perf_stats
.sg_frags_rx
;
5521 data
[12] = card
->perf_stats
.sg_alloc_page_rx
;
5522 data
[13] = (card
->perf_stats
.large_send_bytes
>> 10);
5523 data
[14] = card
->perf_stats
.large_send_cnt
;
5524 data
[15] = card
->perf_stats
.sc_dp_p
;
5525 data
[16] = card
->perf_stats
.sc_p_dp
;
5526 data
[17] = QETH_LOW_WATERMARK_PACK
;
5527 data
[18] = QETH_HIGH_WATERMARK_PACK
;
5528 data
[19] = atomic_read(&card
->qdio
.out_qs
[0]->used_buffers
);
5529 data
[20] = (card
->qdio
.no_out_queues
> 1) ?
5530 atomic_read(&card
->qdio
.out_qs
[1]->used_buffers
) : 0;
5531 data
[21] = (card
->qdio
.no_out_queues
> 2) ?
5532 atomic_read(&card
->qdio
.out_qs
[2]->used_buffers
) : 0;
5533 data
[22] = (card
->qdio
.no_out_queues
> 3) ?
5534 atomic_read(&card
->qdio
.out_qs
[3]->used_buffers
) : 0;
5535 data
[23] = card
->perf_stats
.inbound_time
;
5536 data
[24] = card
->perf_stats
.inbound_cnt
;
5537 data
[25] = card
->perf_stats
.inbound_do_qdio_time
;
5538 data
[26] = card
->perf_stats
.inbound_do_qdio_cnt
;
5539 data
[27] = card
->perf_stats
.outbound_handler_time
;
5540 data
[28] = card
->perf_stats
.outbound_handler_cnt
;
5541 data
[29] = card
->perf_stats
.outbound_time
;
5542 data
[30] = card
->perf_stats
.outbound_cnt
;
5543 data
[31] = card
->perf_stats
.outbound_do_qdio_time
;
5544 data
[32] = card
->perf_stats
.outbound_do_qdio_cnt
;
5545 data
[33] = card
->perf_stats
.tx_csum
;
5546 data
[34] = card
->perf_stats
.tx_lin
;
5547 data
[35] = card
->perf_stats
.cq_cnt
;
5548 data
[36] = card
->perf_stats
.cq_time
;
5550 EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats
);
5552 void qeth_core_get_strings(struct net_device
*dev
, u32 stringset
, u8
*data
)
5554 switch (stringset
) {
5556 memcpy(data
, &qeth_ethtool_stats_keys
,
5557 sizeof(qeth_ethtool_stats_keys
));
5564 EXPORT_SYMBOL_GPL(qeth_core_get_strings
);
5566 void qeth_core_get_drvinfo(struct net_device
*dev
,
5567 struct ethtool_drvinfo
*info
)
5569 struct qeth_card
*card
= dev
->ml_priv
;
5571 strlcpy(info
->driver
, card
->options
.layer2
? "qeth_l2" : "qeth_l3",
5572 sizeof(info
->driver
));
5573 strlcpy(info
->version
, "1.0", sizeof(info
->version
));
5574 strlcpy(info
->fw_version
, card
->info
.mcl_level
,
5575 sizeof(info
->fw_version
));
5576 snprintf(info
->bus_info
, sizeof(info
->bus_info
), "%s/%s/%s",
5577 CARD_RDEV_ID(card
), CARD_WDEV_ID(card
), CARD_DDEV_ID(card
));
5579 EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo
);
5581 int qeth_core_ethtool_get_settings(struct net_device
*netdev
,
5582 struct ethtool_cmd
*ecmd
)
5584 struct qeth_card
*card
= netdev
->ml_priv
;
5585 enum qeth_link_types link_type
;
5587 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) || (card
->info
.guestlan
))
5588 link_type
= QETH_LINK_TYPE_10GBIT_ETH
;
5590 link_type
= card
->info
.link_type
;
5592 ecmd
->transceiver
= XCVR_INTERNAL
;
5593 ecmd
->supported
= SUPPORTED_Autoneg
;
5594 ecmd
->advertising
= ADVERTISED_Autoneg
;
5595 ecmd
->duplex
= DUPLEX_FULL
;
5596 ecmd
->autoneg
= AUTONEG_ENABLE
;
5598 switch (link_type
) {
5599 case QETH_LINK_TYPE_FAST_ETH
:
5600 case QETH_LINK_TYPE_LANE_ETH100
:
5601 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
5602 SUPPORTED_10baseT_Full
|
5603 SUPPORTED_100baseT_Half
|
5604 SUPPORTED_100baseT_Full
|
5606 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
5607 ADVERTISED_10baseT_Full
|
5608 ADVERTISED_100baseT_Half
|
5609 ADVERTISED_100baseT_Full
|
5611 ecmd
->speed
= SPEED_100
;
5612 ecmd
->port
= PORT_TP
;
5615 case QETH_LINK_TYPE_GBIT_ETH
:
5616 case QETH_LINK_TYPE_LANE_ETH1000
:
5617 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
5618 SUPPORTED_10baseT_Full
|
5619 SUPPORTED_100baseT_Half
|
5620 SUPPORTED_100baseT_Full
|
5621 SUPPORTED_1000baseT_Half
|
5622 SUPPORTED_1000baseT_Full
|
5624 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
5625 ADVERTISED_10baseT_Full
|
5626 ADVERTISED_100baseT_Half
|
5627 ADVERTISED_100baseT_Full
|
5628 ADVERTISED_1000baseT_Half
|
5629 ADVERTISED_1000baseT_Full
|
5631 ecmd
->speed
= SPEED_1000
;
5632 ecmd
->port
= PORT_FIBRE
;
5635 case QETH_LINK_TYPE_10GBIT_ETH
:
5636 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
5637 SUPPORTED_10baseT_Full
|
5638 SUPPORTED_100baseT_Half
|
5639 SUPPORTED_100baseT_Full
|
5640 SUPPORTED_1000baseT_Half
|
5641 SUPPORTED_1000baseT_Full
|
5642 SUPPORTED_10000baseT_Full
|
5644 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
5645 ADVERTISED_10baseT_Full
|
5646 ADVERTISED_100baseT_Half
|
5647 ADVERTISED_100baseT_Full
|
5648 ADVERTISED_1000baseT_Half
|
5649 ADVERTISED_1000baseT_Full
|
5650 ADVERTISED_10000baseT_Full
|
5652 ecmd
->speed
= SPEED_10000
;
5653 ecmd
->port
= PORT_FIBRE
;
5657 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
5658 SUPPORTED_10baseT_Full
|
5660 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
5661 ADVERTISED_10baseT_Full
|
5663 ecmd
->speed
= SPEED_10
;
5664 ecmd
->port
= PORT_TP
;
5669 EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings
);
5671 static int __init
qeth_core_init(void)
5675 pr_info("loading core functions\n");
5676 INIT_LIST_HEAD(&qeth_core_card_list
.list
);
5677 INIT_LIST_HEAD(&qeth_dbf_list
);
5678 rwlock_init(&qeth_core_card_list
.rwlock
);
5679 mutex_init(&qeth_mod_mutex
);
5681 qeth_wq
= create_singlethread_workqueue("qeth_wq");
5683 rc
= qeth_register_dbf_views();
5686 qeth_core_root_dev
= root_device_register("qeth");
5687 rc
= IS_ERR(qeth_core_root_dev
) ? PTR_ERR(qeth_core_root_dev
) : 0;
5690 qeth_core_header_cache
= kmem_cache_create("qeth_hdr",
5691 sizeof(struct qeth_hdr
) + ETH_HLEN
, 64, 0, NULL
);
5692 if (!qeth_core_header_cache
) {
5696 qeth_qdio_outbuf_cache
= kmem_cache_create("qeth_buf",
5697 sizeof(struct qeth_qdio_out_buffer
), 0, 0, NULL
);
5698 if (!qeth_qdio_outbuf_cache
) {
5702 rc
= ccw_driver_register(&qeth_ccw_driver
);
5705 qeth_core_ccwgroup_driver
.driver
.groups
= qeth_drv_attr_groups
;
5706 rc
= ccwgroup_driver_register(&qeth_core_ccwgroup_driver
);
5713 ccw_driver_unregister(&qeth_ccw_driver
);
5715 kmem_cache_destroy(qeth_qdio_outbuf_cache
);
5717 kmem_cache_destroy(qeth_core_header_cache
);
5719 root_device_unregister(qeth_core_root_dev
);
5721 qeth_unregister_dbf_views();
5723 pr_err("Initializing the qeth device driver failed\n");
5727 static void __exit
qeth_core_exit(void)
5729 qeth_clear_dbf_list();
5730 destroy_workqueue(qeth_wq
);
5731 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver
);
5732 ccw_driver_unregister(&qeth_ccw_driver
);
5733 kmem_cache_destroy(qeth_qdio_outbuf_cache
);
5734 kmem_cache_destroy(qeth_core_header_cache
);
5735 root_device_unregister(qeth_core_root_dev
);
5736 qeth_unregister_dbf_views();
5737 pr_info("core functions removed\n");
5740 module_init(qeth_core_init
);
5741 module_exit(qeth_core_exit
);
5742 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
5743 MODULE_DESCRIPTION("qeth core functions");
5744 MODULE_LICENSE("GPL");