2 * drivers/s390/net/qeth_core_main.c
4 * Copyright IBM Corp. 2007, 2009
5 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
6 * Frank Pavlic <fpavlic@de.ibm.com>,
7 * Thomas Spatzier <tspat@de.ibm.com>,
8 * Frank Blaschka <frank.blaschka@de.ibm.com>
11 #define KMSG_COMPONENT "qeth"
12 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/string.h>
17 #include <linux/errno.h>
18 #include <linux/kernel.h>
20 #include <linux/tcp.h>
21 #include <linux/mii.h>
22 #include <linux/kthread.h>
24 #include <asm/ebcdic.h>
27 #include "qeth_core.h"
29 struct qeth_dbf_info qeth_dbf
[QETH_DBF_INFOS
] = {
30 /* define dbf - Name, Pages, Areas, Maxlen, Level, View, Handle */
32 [QETH_DBF_SETUP
] = {"qeth_setup",
33 8, 1, 8, 5, &debug_hex_ascii_view
, NULL
},
34 [QETH_DBF_QERR
] = {"qeth_qerr",
35 2, 1, 8, 2, &debug_hex_ascii_view
, NULL
},
36 [QETH_DBF_TRACE
] = {"qeth_trace",
37 4, 1, 8, 3, &debug_hex_ascii_view
, NULL
},
38 [QETH_DBF_MSG
] = {"qeth_msg",
39 8, 1, 128, 3, &debug_sprintf_view
, NULL
},
40 [QETH_DBF_SENSE
] = {"qeth_sense",
41 2, 1, 64, 2, &debug_hex_ascii_view
, NULL
},
42 [QETH_DBF_MISC
] = {"qeth_misc",
43 2, 1, 256, 2, &debug_hex_ascii_view
, NULL
},
44 [QETH_DBF_CTRL
] = {"qeth_control",
45 8, 1, QETH_DBF_CTRL_LEN
, 5, &debug_hex_ascii_view
, NULL
},
47 EXPORT_SYMBOL_GPL(qeth_dbf
);
49 struct qeth_card_list_struct qeth_core_card_list
;
50 EXPORT_SYMBOL_GPL(qeth_core_card_list
);
51 struct kmem_cache
*qeth_core_header_cache
;
52 EXPORT_SYMBOL_GPL(qeth_core_header_cache
);
54 static struct device
*qeth_core_root_dev
;
55 static unsigned int known_devices
[][10] = QETH_MODELLIST_ARRAY
;
56 static struct lock_class_key qdio_out_skb_queue_key
;
58 static void qeth_send_control_data_cb(struct qeth_channel
*,
59 struct qeth_cmd_buffer
*);
60 static int qeth_issue_next_read(struct qeth_card
*);
61 static struct qeth_cmd_buffer
*qeth_get_buffer(struct qeth_channel
*);
62 static void qeth_setup_ccw(struct qeth_channel
*, unsigned char *, __u32
);
63 static void qeth_free_buffer_pool(struct qeth_card
*);
64 static int qeth_qdio_establish(struct qeth_card
*);
67 static inline void __qeth_fill_buffer_frag(struct sk_buff
*skb
,
68 struct qdio_buffer
*buffer
, int is_tso
,
69 int *next_element_to_fill
)
71 struct skb_frag_struct
*frag
;
74 int element
, cnt
, dlen
;
76 fragno
= skb_shinfo(skb
)->nr_frags
;
77 element
= *next_element_to_fill
;
81 buffer
->element
[element
].flags
=
82 SBAL_FLAGS_MIDDLE_FRAG
;
84 buffer
->element
[element
].flags
=
85 SBAL_FLAGS_FIRST_FRAG
;
86 dlen
= skb
->len
- skb
->data_len
;
88 buffer
->element
[element
].addr
= skb
->data
;
89 buffer
->element
[element
].length
= dlen
;
92 for (cnt
= 0; cnt
< fragno
; cnt
++) {
93 frag
= &skb_shinfo(skb
)->frags
[cnt
];
94 addr
= (page_to_pfn(frag
->page
) << PAGE_SHIFT
) +
96 buffer
->element
[element
].addr
= (char *)addr
;
97 buffer
->element
[element
].length
= frag
->size
;
98 if (cnt
< (fragno
- 1))
99 buffer
->element
[element
].flags
=
100 SBAL_FLAGS_MIDDLE_FRAG
;
102 buffer
->element
[element
].flags
=
103 SBAL_FLAGS_LAST_FRAG
;
106 *next_element_to_fill
= element
;
109 static inline const char *qeth_get_cardname(struct qeth_card
*card
)
111 if (card
->info
.guestlan
) {
112 switch (card
->info
.type
) {
113 case QETH_CARD_TYPE_OSAE
:
114 return " Guest LAN QDIO";
115 case QETH_CARD_TYPE_IQD
:
116 return " Guest LAN Hiper";
121 switch (card
->info
.type
) {
122 case QETH_CARD_TYPE_OSAE
:
123 return " OSD Express";
124 case QETH_CARD_TYPE_IQD
:
125 return " HiperSockets";
126 case QETH_CARD_TYPE_OSN
:
135 /* max length to be returned: 14 */
136 const char *qeth_get_cardname_short(struct qeth_card
*card
)
138 if (card
->info
.guestlan
) {
139 switch (card
->info
.type
) {
140 case QETH_CARD_TYPE_OSAE
:
141 return "GuestLAN QDIO";
142 case QETH_CARD_TYPE_IQD
:
143 return "GuestLAN Hiper";
148 switch (card
->info
.type
) {
149 case QETH_CARD_TYPE_OSAE
:
150 switch (card
->info
.link_type
) {
151 case QETH_LINK_TYPE_FAST_ETH
:
153 case QETH_LINK_TYPE_HSTR
:
155 case QETH_LINK_TYPE_GBIT_ETH
:
157 case QETH_LINK_TYPE_10GBIT_ETH
:
159 case QETH_LINK_TYPE_LANE_ETH100
:
160 return "OSD_FE_LANE";
161 case QETH_LINK_TYPE_LANE_TR
:
162 return "OSD_TR_LANE";
163 case QETH_LINK_TYPE_LANE_ETH1000
:
164 return "OSD_GbE_LANE";
165 case QETH_LINK_TYPE_LANE
:
166 return "OSD_ATM_LANE";
168 return "OSD_Express";
170 case QETH_CARD_TYPE_IQD
:
171 return "HiperSockets";
172 case QETH_CARD_TYPE_OSN
:
181 void qeth_set_allowed_threads(struct qeth_card
*card
, unsigned long threads
,
182 int clear_start_mask
)
186 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
187 card
->thread_allowed_mask
= threads
;
188 if (clear_start_mask
)
189 card
->thread_start_mask
&= threads
;
190 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
191 wake_up(&card
->wait_q
);
193 EXPORT_SYMBOL_GPL(qeth_set_allowed_threads
);
195 int qeth_threads_running(struct qeth_card
*card
, unsigned long threads
)
200 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
201 rc
= (card
->thread_running_mask
& threads
);
202 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
205 EXPORT_SYMBOL_GPL(qeth_threads_running
);
207 int qeth_wait_for_threads(struct qeth_card
*card
, unsigned long threads
)
209 return wait_event_interruptible(card
->wait_q
,
210 qeth_threads_running(card
, threads
) == 0);
212 EXPORT_SYMBOL_GPL(qeth_wait_for_threads
);
214 void qeth_clear_working_pool_list(struct qeth_card
*card
)
216 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
218 QETH_DBF_TEXT(TRACE
, 5, "clwrklst");
219 list_for_each_entry_safe(pool_entry
, tmp
,
220 &card
->qdio
.in_buf_pool
.entry_list
, list
){
221 list_del(&pool_entry
->list
);
224 EXPORT_SYMBOL_GPL(qeth_clear_working_pool_list
);
226 static int qeth_alloc_buffer_pool(struct qeth_card
*card
)
228 struct qeth_buffer_pool_entry
*pool_entry
;
232 QETH_DBF_TEXT(TRACE
, 5, "alocpool");
233 for (i
= 0; i
< card
->qdio
.init_pool
.buf_count
; ++i
) {
234 pool_entry
= kmalloc(sizeof(*pool_entry
), GFP_KERNEL
);
236 qeth_free_buffer_pool(card
);
239 for (j
= 0; j
< QETH_MAX_BUFFER_ELEMENTS(card
); ++j
) {
240 ptr
= (void *) __get_free_page(GFP_KERNEL
);
243 free_page((unsigned long)
244 pool_entry
->elements
[--j
]);
246 qeth_free_buffer_pool(card
);
249 pool_entry
->elements
[j
] = ptr
;
251 list_add(&pool_entry
->init_list
,
252 &card
->qdio
.init_pool
.entry_list
);
257 int qeth_realloc_buffer_pool(struct qeth_card
*card
, int bufcnt
)
259 QETH_DBF_TEXT(TRACE
, 2, "realcbp");
261 if ((card
->state
!= CARD_STATE_DOWN
) &&
262 (card
->state
!= CARD_STATE_RECOVER
))
265 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
266 qeth_clear_working_pool_list(card
);
267 qeth_free_buffer_pool(card
);
268 card
->qdio
.in_buf_pool
.buf_count
= bufcnt
;
269 card
->qdio
.init_pool
.buf_count
= bufcnt
;
270 return qeth_alloc_buffer_pool(card
);
273 static int qeth_issue_next_read(struct qeth_card
*card
)
276 struct qeth_cmd_buffer
*iob
;
278 QETH_DBF_TEXT(TRACE
, 5, "issnxrd");
279 if (card
->read
.state
!= CH_STATE_UP
)
281 iob
= qeth_get_buffer(&card
->read
);
283 dev_warn(&card
->gdev
->dev
, "The qeth device driver "
284 "failed to recover an error on the device\n");
285 QETH_DBF_MESSAGE(2, "%s issue_next_read failed: no iob "
286 "available\n", dev_name(&card
->gdev
->dev
));
289 qeth_setup_ccw(&card
->read
, iob
->data
, QETH_BUFSIZE
);
290 QETH_DBF_TEXT(TRACE
, 6, "noirqpnd");
291 rc
= ccw_device_start(card
->read
.ccwdev
, &card
->read
.ccw
,
294 QETH_DBF_MESSAGE(2, "%s error in starting next read ccw! "
295 "rc=%i\n", dev_name(&card
->gdev
->dev
), rc
);
296 atomic_set(&card
->read
.irq_pending
, 0);
297 qeth_schedule_recovery(card
);
298 wake_up(&card
->wait_q
);
303 static struct qeth_reply
*qeth_alloc_reply(struct qeth_card
*card
)
305 struct qeth_reply
*reply
;
307 reply
= kzalloc(sizeof(struct qeth_reply
), GFP_ATOMIC
);
309 atomic_set(&reply
->refcnt
, 1);
310 atomic_set(&reply
->received
, 0);
316 static void qeth_get_reply(struct qeth_reply
*reply
)
318 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
319 atomic_inc(&reply
->refcnt
);
322 static void qeth_put_reply(struct qeth_reply
*reply
)
324 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
325 if (atomic_dec_and_test(&reply
->refcnt
))
329 static void qeth_issue_ipa_msg(struct qeth_ipa_cmd
*cmd
, int rc
,
330 struct qeth_card
*card
)
333 int com
= cmd
->hdr
.command
;
334 ipa_name
= qeth_get_ipa_cmd_name(com
);
336 QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s returned x%X \"%s\"\n",
337 ipa_name
, com
, QETH_CARD_IFNAME(card
),
338 rc
, qeth_get_ipa_msg(rc
));
340 QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s succeeded\n",
341 ipa_name
, com
, QETH_CARD_IFNAME(card
));
344 static struct qeth_ipa_cmd
*qeth_check_ipa_data(struct qeth_card
*card
,
345 struct qeth_cmd_buffer
*iob
)
347 struct qeth_ipa_cmd
*cmd
= NULL
;
349 QETH_DBF_TEXT(TRACE
, 5, "chkipad");
350 if (IS_IPA(iob
->data
)) {
351 cmd
= (struct qeth_ipa_cmd
*) PDU_ENCAPSULATION(iob
->data
);
352 if (IS_IPA_REPLY(cmd
)) {
353 if (cmd
->hdr
.command
< IPA_CMD_SETCCID
||
354 cmd
->hdr
.command
> IPA_CMD_MODCCID
)
355 qeth_issue_ipa_msg(cmd
,
356 cmd
->hdr
.return_code
, card
);
359 switch (cmd
->hdr
.command
) {
360 case IPA_CMD_STOPLAN
:
361 dev_warn(&card
->gdev
->dev
,
362 "The link for interface %s on CHPID"
364 QETH_CARD_IFNAME(card
),
366 card
->lan_online
= 0;
367 if (card
->dev
&& netif_carrier_ok(card
->dev
))
368 netif_carrier_off(card
->dev
);
370 case IPA_CMD_STARTLAN
:
371 dev_info(&card
->gdev
->dev
,
372 "The link for %s on CHPID 0x%X has"
374 QETH_CARD_IFNAME(card
),
376 netif_carrier_on(card
->dev
);
377 card
->lan_online
= 1;
378 qeth_schedule_recovery(card
);
380 case IPA_CMD_MODCCID
:
382 case IPA_CMD_REGISTER_LOCAL_ADDR
:
383 QETH_DBF_TEXT(TRACE
, 3, "irla");
385 case IPA_CMD_UNREGISTER_LOCAL_ADDR
:
386 QETH_DBF_TEXT(TRACE
, 3, "urla");
389 QETH_DBF_MESSAGE(2, "Received data is IPA "
390 "but not a reply!\n");
398 void qeth_clear_ipacmd_list(struct qeth_card
*card
)
400 struct qeth_reply
*reply
, *r
;
403 QETH_DBF_TEXT(TRACE
, 4, "clipalst");
405 spin_lock_irqsave(&card
->lock
, flags
);
406 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
407 qeth_get_reply(reply
);
409 atomic_inc(&reply
->received
);
410 list_del_init(&reply
->list
);
411 wake_up(&reply
->wait_q
);
412 qeth_put_reply(reply
);
414 spin_unlock_irqrestore(&card
->lock
, flags
);
416 EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list
);
418 static int qeth_check_idx_response(unsigned char *buffer
)
423 QETH_DBF_HEX(CTRL
, 2, buffer
, QETH_DBF_CTRL_LEN
);
424 if ((buffer
[2] & 0xc0) == 0xc0) {
425 QETH_DBF_MESSAGE(2, "received an IDX TERMINATE "
426 "with cause code 0x%02x%s\n",
428 ((buffer
[4] == 0x22) ?
429 " -- try another portname" : ""));
430 QETH_DBF_TEXT(TRACE
, 2, "ckidxres");
431 QETH_DBF_TEXT(TRACE
, 2, " idxterm");
432 QETH_DBF_TEXT_(TRACE
, 2, " rc%d", -EIO
);
438 static void qeth_setup_ccw(struct qeth_channel
*channel
, unsigned char *iob
,
441 struct qeth_card
*card
;
443 QETH_DBF_TEXT(TRACE
, 4, "setupccw");
444 card
= CARD_FROM_CDEV(channel
->ccwdev
);
445 if (channel
== &card
->read
)
446 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
448 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
449 channel
->ccw
.count
= len
;
450 channel
->ccw
.cda
= (__u32
) __pa(iob
);
453 static struct qeth_cmd_buffer
*__qeth_get_buffer(struct qeth_channel
*channel
)
457 QETH_DBF_TEXT(TRACE
, 6, "getbuff");
458 index
= channel
->io_buf_no
;
460 if (channel
->iob
[index
].state
== BUF_STATE_FREE
) {
461 channel
->iob
[index
].state
= BUF_STATE_LOCKED
;
462 channel
->io_buf_no
= (channel
->io_buf_no
+ 1) %
464 memset(channel
->iob
[index
].data
, 0, QETH_BUFSIZE
);
465 return channel
->iob
+ index
;
467 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
468 } while (index
!= channel
->io_buf_no
);
473 void qeth_release_buffer(struct qeth_channel
*channel
,
474 struct qeth_cmd_buffer
*iob
)
478 QETH_DBF_TEXT(TRACE
, 6, "relbuff");
479 spin_lock_irqsave(&channel
->iob_lock
, flags
);
480 memset(iob
->data
, 0, QETH_BUFSIZE
);
481 iob
->state
= BUF_STATE_FREE
;
482 iob
->callback
= qeth_send_control_data_cb
;
484 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
486 EXPORT_SYMBOL_GPL(qeth_release_buffer
);
488 static struct qeth_cmd_buffer
*qeth_get_buffer(struct qeth_channel
*channel
)
490 struct qeth_cmd_buffer
*buffer
= NULL
;
493 spin_lock_irqsave(&channel
->iob_lock
, flags
);
494 buffer
= __qeth_get_buffer(channel
);
495 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
499 struct qeth_cmd_buffer
*qeth_wait_for_buffer(struct qeth_channel
*channel
)
501 struct qeth_cmd_buffer
*buffer
;
502 wait_event(channel
->wait_q
,
503 ((buffer
= qeth_get_buffer(channel
)) != NULL
));
506 EXPORT_SYMBOL_GPL(qeth_wait_for_buffer
);
508 void qeth_clear_cmd_buffers(struct qeth_channel
*channel
)
512 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++)
513 qeth_release_buffer(channel
, &channel
->iob
[cnt
]);
515 channel
->io_buf_no
= 0;
517 EXPORT_SYMBOL_GPL(qeth_clear_cmd_buffers
);
519 static void qeth_send_control_data_cb(struct qeth_channel
*channel
,
520 struct qeth_cmd_buffer
*iob
)
522 struct qeth_card
*card
;
523 struct qeth_reply
*reply
, *r
;
524 struct qeth_ipa_cmd
*cmd
;
528 QETH_DBF_TEXT(TRACE
, 4, "sndctlcb");
530 card
= CARD_FROM_CDEV(channel
->ccwdev
);
531 if (qeth_check_idx_response(iob
->data
)) {
532 qeth_clear_ipacmd_list(card
);
533 if (((iob
->data
[2] & 0xc0) == 0xc0) && iob
->data
[4] == 0xf6)
534 dev_err(&card
->gdev
->dev
,
535 "The qeth device is not configured "
536 "for the OSI layer required by z/VM\n");
537 qeth_schedule_recovery(card
);
541 cmd
= qeth_check_ipa_data(card
, iob
);
542 if ((cmd
== NULL
) && (card
->state
!= CARD_STATE_DOWN
))
544 /*in case of OSN : check if cmd is set */
545 if (card
->info
.type
== QETH_CARD_TYPE_OSN
&&
547 cmd
->hdr
.command
!= IPA_CMD_STARTLAN
&&
548 card
->osn_info
.assist_cb
!= NULL
) {
549 card
->osn_info
.assist_cb(card
->dev
, cmd
);
553 spin_lock_irqsave(&card
->lock
, flags
);
554 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
555 if ((reply
->seqno
== QETH_IDX_COMMAND_SEQNO
) ||
556 ((cmd
) && (reply
->seqno
== cmd
->hdr
.seqno
))) {
557 qeth_get_reply(reply
);
558 list_del_init(&reply
->list
);
559 spin_unlock_irqrestore(&card
->lock
, flags
);
561 if (reply
->callback
!= NULL
) {
563 reply
->offset
= (__u16
)((char *)cmd
-
565 keep_reply
= reply
->callback(card
,
569 keep_reply
= reply
->callback(card
,
574 reply
->rc
= (u16
) cmd
->hdr
.return_code
;
578 spin_lock_irqsave(&card
->lock
, flags
);
579 list_add_tail(&reply
->list
,
580 &card
->cmd_waiter_list
);
581 spin_unlock_irqrestore(&card
->lock
, flags
);
583 atomic_inc(&reply
->received
);
584 wake_up(&reply
->wait_q
);
586 qeth_put_reply(reply
);
590 spin_unlock_irqrestore(&card
->lock
, flags
);
592 memcpy(&card
->seqno
.pdu_hdr_ack
,
593 QETH_PDU_HEADER_SEQ_NO(iob
->data
),
595 qeth_release_buffer(channel
, iob
);
598 static int qeth_setup_channel(struct qeth_channel
*channel
)
602 QETH_DBF_TEXT(SETUP
, 2, "setupch");
603 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++) {
604 channel
->iob
[cnt
].data
= (char *)
605 kmalloc(QETH_BUFSIZE
, GFP_DMA
|GFP_KERNEL
);
606 if (channel
->iob
[cnt
].data
== NULL
)
608 channel
->iob
[cnt
].state
= BUF_STATE_FREE
;
609 channel
->iob
[cnt
].channel
= channel
;
610 channel
->iob
[cnt
].callback
= qeth_send_control_data_cb
;
611 channel
->iob
[cnt
].rc
= 0;
613 if (cnt
< QETH_CMD_BUFFER_NO
) {
615 kfree(channel
->iob
[cnt
].data
);
619 channel
->io_buf_no
= 0;
620 atomic_set(&channel
->irq_pending
, 0);
621 spin_lock_init(&channel
->iob_lock
);
623 init_waitqueue_head(&channel
->wait_q
);
627 static int qeth_set_thread_start_bit(struct qeth_card
*card
,
628 unsigned long thread
)
632 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
633 if (!(card
->thread_allowed_mask
& thread
) ||
634 (card
->thread_start_mask
& thread
)) {
635 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
638 card
->thread_start_mask
|= thread
;
639 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
643 void qeth_clear_thread_start_bit(struct qeth_card
*card
, unsigned long thread
)
647 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
648 card
->thread_start_mask
&= ~thread
;
649 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
650 wake_up(&card
->wait_q
);
652 EXPORT_SYMBOL_GPL(qeth_clear_thread_start_bit
);
654 void qeth_clear_thread_running_bit(struct qeth_card
*card
, unsigned long thread
)
658 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
659 card
->thread_running_mask
&= ~thread
;
660 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
661 wake_up(&card
->wait_q
);
663 EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit
);
665 static int __qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
670 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
671 if (card
->thread_start_mask
& thread
) {
672 if ((card
->thread_allowed_mask
& thread
) &&
673 !(card
->thread_running_mask
& thread
)) {
675 card
->thread_start_mask
&= ~thread
;
676 card
->thread_running_mask
|= thread
;
680 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
684 int qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
688 wait_event(card
->wait_q
,
689 (rc
= __qeth_do_run_thread(card
, thread
)) >= 0);
692 EXPORT_SYMBOL_GPL(qeth_do_run_thread
);
694 void qeth_schedule_recovery(struct qeth_card
*card
)
696 QETH_DBF_TEXT(TRACE
, 2, "startrec");
697 if (qeth_set_thread_start_bit(card
, QETH_RECOVER_THREAD
) == 0)
698 schedule_work(&card
->kernel_thread_starter
);
700 EXPORT_SYMBOL_GPL(qeth_schedule_recovery
);
702 static int qeth_get_problem(struct ccw_device
*cdev
, struct irb
*irb
)
707 sense
= (char *) irb
->ecw
;
708 cstat
= irb
->scsw
.cmd
.cstat
;
709 dstat
= irb
->scsw
.cmd
.dstat
;
711 if (cstat
& (SCHN_STAT_CHN_CTRL_CHK
| SCHN_STAT_INTF_CTRL_CHK
|
712 SCHN_STAT_CHN_DATA_CHK
| SCHN_STAT_CHAIN_CHECK
|
713 SCHN_STAT_PROT_CHECK
| SCHN_STAT_PROG_CHECK
)) {
714 QETH_DBF_TEXT(TRACE
, 2, "CGENCHK");
715 dev_warn(&cdev
->dev
, "The qeth device driver "
716 "failed to recover an error on the device\n");
717 QETH_DBF_MESSAGE(2, "%s check on device dstat=x%x, cstat=x%x ",
718 dev_name(&cdev
->dev
), dstat
, cstat
);
719 print_hex_dump(KERN_WARNING
, "qeth: irb ", DUMP_PREFIX_OFFSET
,
724 if (dstat
& DEV_STAT_UNIT_CHECK
) {
725 if (sense
[SENSE_RESETTING_EVENT_BYTE
] &
726 SENSE_RESETTING_EVENT_FLAG
) {
727 QETH_DBF_TEXT(TRACE
, 2, "REVIND");
730 if (sense
[SENSE_COMMAND_REJECT_BYTE
] &
731 SENSE_COMMAND_REJECT_FLAG
) {
732 QETH_DBF_TEXT(TRACE
, 2, "CMDREJi");
735 if ((sense
[2] == 0xaf) && (sense
[3] == 0xfe)) {
736 QETH_DBF_TEXT(TRACE
, 2, "AFFE");
739 if ((!sense
[0]) && (!sense
[1]) && (!sense
[2]) && (!sense
[3])) {
740 QETH_DBF_TEXT(TRACE
, 2, "ZEROSEN");
743 QETH_DBF_TEXT(TRACE
, 2, "DGENCHK");
749 static long __qeth_check_irb_error(struct ccw_device
*cdev
,
750 unsigned long intparm
, struct irb
*irb
)
755 switch (PTR_ERR(irb
)) {
757 QETH_DBF_MESSAGE(2, "%s i/o-error on device\n",
758 dev_name(&cdev
->dev
));
759 QETH_DBF_TEXT(TRACE
, 2, "ckirberr");
760 QETH_DBF_TEXT_(TRACE
, 2, " rc%d", -EIO
);
763 dev_warn(&cdev
->dev
, "A hardware operation timed out"
765 QETH_DBF_TEXT(TRACE
, 2, "ckirberr");
766 QETH_DBF_TEXT_(TRACE
, 2, " rc%d", -ETIMEDOUT
);
767 if (intparm
== QETH_RCD_PARM
) {
768 struct qeth_card
*card
= CARD_FROM_CDEV(cdev
);
770 if (card
&& (card
->data
.ccwdev
== cdev
)) {
771 card
->data
.state
= CH_STATE_DOWN
;
772 wake_up(&card
->wait_q
);
777 QETH_DBF_MESSAGE(2, "%s unknown error %ld on device\n",
778 dev_name(&cdev
->dev
), PTR_ERR(irb
));
779 QETH_DBF_TEXT(TRACE
, 2, "ckirberr");
780 QETH_DBF_TEXT(TRACE
, 2, " rc???");
785 static void qeth_irq(struct ccw_device
*cdev
, unsigned long intparm
,
790 struct qeth_cmd_buffer
*buffer
;
791 struct qeth_channel
*channel
;
792 struct qeth_card
*card
;
793 struct qeth_cmd_buffer
*iob
;
796 QETH_DBF_TEXT(TRACE
, 5, "irq");
798 if (__qeth_check_irb_error(cdev
, intparm
, irb
))
800 cstat
= irb
->scsw
.cmd
.cstat
;
801 dstat
= irb
->scsw
.cmd
.dstat
;
803 card
= CARD_FROM_CDEV(cdev
);
807 if (card
->read
.ccwdev
== cdev
) {
808 channel
= &card
->read
;
809 QETH_DBF_TEXT(TRACE
, 5, "read");
810 } else if (card
->write
.ccwdev
== cdev
) {
811 channel
= &card
->write
;
812 QETH_DBF_TEXT(TRACE
, 5, "write");
814 channel
= &card
->data
;
815 QETH_DBF_TEXT(TRACE
, 5, "data");
817 atomic_set(&channel
->irq_pending
, 0);
819 if (irb
->scsw
.cmd
.fctl
& (SCSW_FCTL_CLEAR_FUNC
))
820 channel
->state
= CH_STATE_STOPPED
;
822 if (irb
->scsw
.cmd
.fctl
& (SCSW_FCTL_HALT_FUNC
))
823 channel
->state
= CH_STATE_HALTED
;
825 /*let's wake up immediately on data channel*/
826 if ((channel
== &card
->data
) && (intparm
!= 0) &&
827 (intparm
!= QETH_RCD_PARM
))
830 if (intparm
== QETH_CLEAR_CHANNEL_PARM
) {
831 QETH_DBF_TEXT(TRACE
, 6, "clrchpar");
832 /* we don't have to handle this further */
835 if (intparm
== QETH_HALT_CHANNEL_PARM
) {
836 QETH_DBF_TEXT(TRACE
, 6, "hltchpar");
837 /* we don't have to handle this further */
840 if ((dstat
& DEV_STAT_UNIT_EXCEP
) ||
841 (dstat
& DEV_STAT_UNIT_CHECK
) ||
843 if (irb
->esw
.esw0
.erw
.cons
) {
844 dev_warn(&channel
->ccwdev
->dev
,
845 "The qeth device driver failed to recover "
846 "an error on the device\n");
847 QETH_DBF_MESSAGE(2, "%s sense data available. cstat "
849 dev_name(&channel
->ccwdev
->dev
), cstat
, dstat
);
850 print_hex_dump(KERN_WARNING
, "qeth: irb ",
851 DUMP_PREFIX_OFFSET
, 16, 1, irb
, 32, 1);
852 print_hex_dump(KERN_WARNING
, "qeth: sense data ",
853 DUMP_PREFIX_OFFSET
, 16, 1, irb
->ecw
, 32, 1);
855 if (intparm
== QETH_RCD_PARM
) {
856 channel
->state
= CH_STATE_DOWN
;
859 rc
= qeth_get_problem(cdev
, irb
);
861 qeth_clear_ipacmd_list(card
);
862 qeth_schedule_recovery(card
);
867 if (intparm
== QETH_RCD_PARM
) {
868 channel
->state
= CH_STATE_RCD_DONE
;
872 buffer
= (struct qeth_cmd_buffer
*) __va((addr_t
)intparm
);
873 buffer
->state
= BUF_STATE_PROCESSED
;
875 if (channel
== &card
->data
)
877 if (channel
== &card
->read
&&
878 channel
->state
== CH_STATE_UP
)
879 qeth_issue_next_read(card
);
882 index
= channel
->buf_no
;
883 while (iob
[index
].state
== BUF_STATE_PROCESSED
) {
884 if (iob
[index
].callback
!= NULL
)
885 iob
[index
].callback(channel
, iob
+ index
);
887 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
889 channel
->buf_no
= index
;
891 wake_up(&card
->wait_q
);
895 static void __qeth_clear_output_buffer(struct qeth_qdio_out_q
*queue
,
896 struct qeth_qdio_out_buffer
*buf
, unsigned int qeth_skip_skb
)
901 /* is PCI flag set on buffer? */
902 if (buf
->buffer
->element
[0].flags
& 0x40)
903 atomic_dec(&queue
->set_pci_flags_count
);
905 if (!qeth_skip_skb
) {
906 skb
= skb_dequeue(&buf
->skb_list
);
908 atomic_dec(&skb
->users
);
909 dev_kfree_skb_any(skb
);
910 skb
= skb_dequeue(&buf
->skb_list
);
913 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(queue
->card
); ++i
) {
914 if (buf
->buffer
->element
[i
].addr
&& buf
->is_header
[i
])
915 kmem_cache_free(qeth_core_header_cache
,
916 buf
->buffer
->element
[i
].addr
);
917 buf
->is_header
[i
] = 0;
918 buf
->buffer
->element
[i
].length
= 0;
919 buf
->buffer
->element
[i
].addr
= NULL
;
920 buf
->buffer
->element
[i
].flags
= 0;
922 buf
->buffer
->element
[15].flags
= 0;
923 buf
->next_element_to_fill
= 0;
924 atomic_set(&buf
->state
, QETH_QDIO_BUF_EMPTY
);
927 static void qeth_clear_output_buffer(struct qeth_qdio_out_q
*queue
,
928 struct qeth_qdio_out_buffer
*buf
)
930 __qeth_clear_output_buffer(queue
, buf
, 0);
933 void qeth_clear_qdio_buffers(struct qeth_card
*card
)
937 QETH_DBF_TEXT(TRACE
, 2, "clearqdbf");
938 /* clear outbound buffers to free skbs */
939 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
)
940 if (card
->qdio
.out_qs
[i
]) {
941 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
)
942 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
943 &card
->qdio
.out_qs
[i
]->bufs
[j
]);
946 EXPORT_SYMBOL_GPL(qeth_clear_qdio_buffers
);
948 static void qeth_free_buffer_pool(struct qeth_card
*card
)
950 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
952 QETH_DBF_TEXT(TRACE
, 5, "freepool");
953 list_for_each_entry_safe(pool_entry
, tmp
,
954 &card
->qdio
.init_pool
.entry_list
, init_list
){
955 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
)
956 free_page((unsigned long)pool_entry
->elements
[i
]);
957 list_del(&pool_entry
->init_list
);
962 static void qeth_free_qdio_buffers(struct qeth_card
*card
)
966 QETH_DBF_TEXT(TRACE
, 2, "freeqdbf");
967 if (atomic_xchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
) ==
968 QETH_QDIO_UNINITIALIZED
)
970 kfree(card
->qdio
.in_q
);
971 card
->qdio
.in_q
= NULL
;
972 /* inbound buffer pool */
973 qeth_free_buffer_pool(card
);
974 /* free outbound qdio_qs */
975 if (card
->qdio
.out_qs
) {
976 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
977 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
)
978 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
979 &card
->qdio
.out_qs
[i
]->bufs
[j
]);
980 kfree(card
->qdio
.out_qs
[i
]);
982 kfree(card
->qdio
.out_qs
);
983 card
->qdio
.out_qs
= NULL
;
987 static void qeth_clean_channel(struct qeth_channel
*channel
)
991 QETH_DBF_TEXT(SETUP
, 2, "freech");
992 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++)
993 kfree(channel
->iob
[cnt
].data
);
996 static int qeth_is_1920_device(struct qeth_card
*card
)
998 int single_queue
= 0;
999 struct ccw_device
*ccwdev
;
1000 struct channelPath_dsc
{
1011 QETH_DBF_TEXT(SETUP
, 2, "chk_1920");
1013 ccwdev
= card
->data
.ccwdev
;
1014 chp_dsc
= (struct channelPath_dsc
*)ccw_device_get_chp_desc(ccwdev
, 0);
1015 if (chp_dsc
!= NULL
) {
1016 /* CHPP field bit 6 == 1 -> single queue */
1017 single_queue
= ((chp_dsc
->chpp
& 0x02) == 0x02);
1020 QETH_DBF_TEXT_(SETUP
, 2, "rc:%x", single_queue
);
1021 return single_queue
;
1024 static void qeth_init_qdio_info(struct qeth_card
*card
)
1026 QETH_DBF_TEXT(SETUP
, 4, "intqdinf");
1027 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
1029 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
1030 card
->qdio
.init_pool
.buf_count
= QETH_IN_BUF_COUNT_DEFAULT
;
1031 card
->qdio
.in_buf_pool
.buf_count
= card
->qdio
.init_pool
.buf_count
;
1032 INIT_LIST_HEAD(&card
->qdio
.in_buf_pool
.entry_list
);
1033 INIT_LIST_HEAD(&card
->qdio
.init_pool
.entry_list
);
1036 static void qeth_set_intial_options(struct qeth_card
*card
)
1038 card
->options
.route4
.type
= NO_ROUTER
;
1039 card
->options
.route6
.type
= NO_ROUTER
;
1040 card
->options
.checksum_type
= QETH_CHECKSUM_DEFAULT
;
1041 card
->options
.broadcast_mode
= QETH_TR_BROADCAST_ALLRINGS
;
1042 card
->options
.macaddr_mode
= QETH_TR_MACADDR_NONCANONICAL
;
1043 card
->options
.fake_broadcast
= 0;
1044 card
->options
.add_hhlen
= DEFAULT_ADD_HHLEN
;
1045 card
->options
.performance_stats
= 0;
1046 card
->options
.rx_sg_cb
= QETH_RX_SG_CB
;
1047 card
->options
.isolation
= ISOLATION_MODE_NONE
;
1050 static int qeth_do_start_thread(struct qeth_card
*card
, unsigned long thread
)
1052 unsigned long flags
;
1055 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
1056 QETH_DBF_TEXT_(TRACE
, 4, " %02x%02x%02x",
1057 (u8
) card
->thread_start_mask
,
1058 (u8
) card
->thread_allowed_mask
,
1059 (u8
) card
->thread_running_mask
);
1060 rc
= (card
->thread_start_mask
& thread
);
1061 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
1065 static void qeth_start_kernel_thread(struct work_struct
*work
)
1067 struct qeth_card
*card
= container_of(work
, struct qeth_card
,
1068 kernel_thread_starter
);
1069 QETH_DBF_TEXT(TRACE
, 2, "strthrd");
1071 if (card
->read
.state
!= CH_STATE_UP
&&
1072 card
->write
.state
!= CH_STATE_UP
)
1074 if (qeth_do_start_thread(card
, QETH_RECOVER_THREAD
))
1075 kthread_run(card
->discipline
.recover
, (void *) card
,
1079 static int qeth_setup_card(struct qeth_card
*card
)
1082 QETH_DBF_TEXT(SETUP
, 2, "setupcrd");
1083 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
1085 card
->read
.state
= CH_STATE_DOWN
;
1086 card
->write
.state
= CH_STATE_DOWN
;
1087 card
->data
.state
= CH_STATE_DOWN
;
1088 card
->state
= CARD_STATE_DOWN
;
1089 card
->lan_online
= 0;
1090 card
->use_hard_stop
= 0;
1092 spin_lock_init(&card
->vlanlock
);
1093 spin_lock_init(&card
->mclock
);
1094 card
->vlangrp
= NULL
;
1095 spin_lock_init(&card
->lock
);
1096 spin_lock_init(&card
->ip_lock
);
1097 spin_lock_init(&card
->thread_mask_lock
);
1098 card
->thread_start_mask
= 0;
1099 card
->thread_allowed_mask
= 0;
1100 card
->thread_running_mask
= 0;
1101 INIT_WORK(&card
->kernel_thread_starter
, qeth_start_kernel_thread
);
1102 INIT_LIST_HEAD(&card
->ip_list
);
1103 card
->ip_tbd_list
= kmalloc(sizeof(struct list_head
), GFP_KERNEL
);
1104 if (!card
->ip_tbd_list
) {
1105 QETH_DBF_TEXT(SETUP
, 0, "iptbdnom");
1108 INIT_LIST_HEAD(card
->ip_tbd_list
);
1109 INIT_LIST_HEAD(&card
->cmd_waiter_list
);
1110 init_waitqueue_head(&card
->wait_q
);
1111 /* intial options */
1112 qeth_set_intial_options(card
);
1113 /* IP address takeover */
1114 INIT_LIST_HEAD(&card
->ipato
.entries
);
1115 card
->ipato
.enabled
= 0;
1116 card
->ipato
.invert4
= 0;
1117 card
->ipato
.invert6
= 0;
1118 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1119 card
->options
.checksum_type
= NO_CHECKSUMMING
;
1120 /* init QDIO stuff */
1121 qeth_init_qdio_info(card
);
1125 static void qeth_core_sl_print(struct seq_file
*m
, struct service_level
*slr
)
1127 struct qeth_card
*card
= container_of(slr
, struct qeth_card
,
1128 qeth_service_level
);
1129 if (card
->info
.mcl_level
[0])
1130 seq_printf(m
, "qeth: %s firmware level %s\n",
1131 CARD_BUS_ID(card
), card
->info
.mcl_level
);
1134 static struct qeth_card
*qeth_alloc_card(void)
1136 struct qeth_card
*card
;
1138 QETH_DBF_TEXT(SETUP
, 2, "alloccrd");
1139 card
= kzalloc(sizeof(struct qeth_card
), GFP_DMA
|GFP_KERNEL
);
1142 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
1143 if (qeth_setup_channel(&card
->read
)) {
1147 if (qeth_setup_channel(&card
->write
)) {
1148 qeth_clean_channel(&card
->read
);
1152 card
->options
.layer2
= -1;
1153 card
->qeth_service_level
.seq_print
= qeth_core_sl_print
;
1154 register_service_level(&card
->qeth_service_level
);
1158 static int qeth_determine_card_type(struct qeth_card
*card
)
1162 QETH_DBF_TEXT(SETUP
, 2, "detcdtyp");
1164 card
->qdio
.do_prio_queueing
= QETH_PRIOQ_DEFAULT
;
1165 card
->qdio
.default_out_queue
= QETH_DEFAULT_QUEUE
;
1166 while (known_devices
[i
][4]) {
1167 if ((CARD_RDEV(card
)->id
.dev_type
== known_devices
[i
][2]) &&
1168 (CARD_RDEV(card
)->id
.dev_model
== known_devices
[i
][3])) {
1169 card
->info
.type
= known_devices
[i
][4];
1170 card
->qdio
.no_out_queues
= known_devices
[i
][8];
1171 card
->info
.is_multicast_different
= known_devices
[i
][9];
1172 if (qeth_is_1920_device(card
)) {
1173 dev_info(&card
->gdev
->dev
,
1174 "Priority Queueing not supported\n");
1175 card
->qdio
.no_out_queues
= 1;
1176 card
->qdio
.default_out_queue
= 0;
1182 card
->info
.type
= QETH_CARD_TYPE_UNKNOWN
;
1183 dev_err(&card
->gdev
->dev
, "The adapter hardware is of an "
1188 static int qeth_clear_channel(struct qeth_channel
*channel
)
1190 unsigned long flags
;
1191 struct qeth_card
*card
;
1194 QETH_DBF_TEXT(TRACE
, 3, "clearch");
1195 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1196 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1197 rc
= ccw_device_clear(channel
->ccwdev
, QETH_CLEAR_CHANNEL_PARM
);
1198 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1202 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1203 channel
->state
== CH_STATE_STOPPED
, QETH_TIMEOUT
);
1204 if (rc
== -ERESTARTSYS
)
1206 if (channel
->state
!= CH_STATE_STOPPED
)
1208 channel
->state
= CH_STATE_DOWN
;
1212 static int qeth_halt_channel(struct qeth_channel
*channel
)
1214 unsigned long flags
;
1215 struct qeth_card
*card
;
1218 QETH_DBF_TEXT(TRACE
, 3, "haltch");
1219 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1220 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1221 rc
= ccw_device_halt(channel
->ccwdev
, QETH_HALT_CHANNEL_PARM
);
1222 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1226 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1227 channel
->state
== CH_STATE_HALTED
, QETH_TIMEOUT
);
1228 if (rc
== -ERESTARTSYS
)
1230 if (channel
->state
!= CH_STATE_HALTED
)
1235 static int qeth_halt_channels(struct qeth_card
*card
)
1237 int rc1
= 0, rc2
= 0, rc3
= 0;
1239 QETH_DBF_TEXT(TRACE
, 3, "haltchs");
1240 rc1
= qeth_halt_channel(&card
->read
);
1241 rc2
= qeth_halt_channel(&card
->write
);
1242 rc3
= qeth_halt_channel(&card
->data
);
1250 static int qeth_clear_channels(struct qeth_card
*card
)
1252 int rc1
= 0, rc2
= 0, rc3
= 0;
1254 QETH_DBF_TEXT(TRACE
, 3, "clearchs");
1255 rc1
= qeth_clear_channel(&card
->read
);
1256 rc2
= qeth_clear_channel(&card
->write
);
1257 rc3
= qeth_clear_channel(&card
->data
);
1265 static int qeth_clear_halt_card(struct qeth_card
*card
, int halt
)
1269 QETH_DBF_TEXT(TRACE
, 3, "clhacrd");
1270 QETH_DBF_HEX(TRACE
, 3, &card
, sizeof(void *));
1273 rc
= qeth_halt_channels(card
);
1276 return qeth_clear_channels(card
);
1279 int qeth_qdio_clear_card(struct qeth_card
*card
, int use_halt
)
1283 QETH_DBF_TEXT(TRACE
, 3, "qdioclr");
1284 switch (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ESTABLISHED
,
1285 QETH_QDIO_CLEANING
)) {
1286 case QETH_QDIO_ESTABLISHED
:
1287 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1288 rc
= qdio_cleanup(CARD_DDEV(card
),
1289 QDIO_FLAG_CLEANUP_USING_HALT
);
1291 rc
= qdio_cleanup(CARD_DDEV(card
),
1292 QDIO_FLAG_CLEANUP_USING_CLEAR
);
1294 QETH_DBF_TEXT_(TRACE
, 3, "1err%d", rc
);
1295 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
1297 case QETH_QDIO_CLEANING
:
1302 rc
= qeth_clear_halt_card(card
, use_halt
);
1304 QETH_DBF_TEXT_(TRACE
, 3, "2err%d", rc
);
1305 card
->state
= CARD_STATE_DOWN
;
1308 EXPORT_SYMBOL_GPL(qeth_qdio_clear_card
);
1310 static int qeth_read_conf_data(struct qeth_card
*card
, void **buffer
,
1316 struct qeth_channel
*channel
= &card
->data
;
1317 unsigned long flags
;
1320 * scan for RCD command in extended SenseID data
1322 ciw
= ccw_device_get_ciw(channel
->ccwdev
, CIW_TYPE_RCD
);
1323 if (!ciw
|| ciw
->cmd
== 0)
1325 rcd_buf
= kzalloc(ciw
->count
, GFP_KERNEL
| GFP_DMA
);
1329 channel
->ccw
.cmd_code
= ciw
->cmd
;
1330 channel
->ccw
.cda
= (__u32
) __pa(rcd_buf
);
1331 channel
->ccw
.count
= ciw
->count
;
1332 channel
->ccw
.flags
= CCW_FLAG_SLI
;
1333 channel
->state
= CH_STATE_RCD
;
1334 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1335 ret
= ccw_device_start_timeout(channel
->ccwdev
, &channel
->ccw
,
1336 QETH_RCD_PARM
, LPM_ANYPATH
, 0,
1338 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1340 wait_event(card
->wait_q
,
1341 (channel
->state
== CH_STATE_RCD_DONE
||
1342 channel
->state
== CH_STATE_DOWN
));
1343 if (channel
->state
== CH_STATE_DOWN
)
1346 channel
->state
= CH_STATE_DOWN
;
1352 *length
= ciw
->count
;
1358 static int qeth_get_unitaddr(struct qeth_card
*card
)
1364 QETH_DBF_TEXT(SETUP
, 2, "getunit");
1365 rc
= qeth_read_conf_data(card
, (void **) &prcd
, &length
);
1367 QETH_DBF_MESSAGE(2, "%s qeth_read_conf_data returned %i\n",
1368 dev_name(&card
->gdev
->dev
), rc
);
1371 card
->info
.chpid
= prcd
[30];
1372 card
->info
.unit_addr2
= prcd
[31];
1373 card
->info
.cula
= prcd
[63];
1374 card
->info
.guestlan
= ((prcd
[0x10] == _ascebc
['V']) &&
1375 (prcd
[0x11] == _ascebc
['M']));
1380 static void qeth_init_tokens(struct qeth_card
*card
)
1382 card
->token
.issuer_rm_w
= 0x00010103UL
;
1383 card
->token
.cm_filter_w
= 0x00010108UL
;
1384 card
->token
.cm_connection_w
= 0x0001010aUL
;
1385 card
->token
.ulp_filter_w
= 0x0001010bUL
;
1386 card
->token
.ulp_connection_w
= 0x0001010dUL
;
1389 static void qeth_init_func_level(struct qeth_card
*card
)
1391 if (card
->ipato
.enabled
) {
1392 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1393 card
->info
.func_level
=
1394 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT
;
1396 card
->info
.func_level
=
1397 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT
;
1399 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1400 /*FIXME:why do we have same values for dis and ena for
1402 card
->info
.func_level
=
1403 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT
;
1405 card
->info
.func_level
=
1406 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT
;
1410 static int qeth_idx_activate_get_answer(struct qeth_channel
*channel
,
1411 void (*idx_reply_cb
)(struct qeth_channel
*,
1412 struct qeth_cmd_buffer
*))
1414 struct qeth_cmd_buffer
*iob
;
1415 unsigned long flags
;
1417 struct qeth_card
*card
;
1419 QETH_DBF_TEXT(SETUP
, 2, "idxanswr");
1420 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1421 iob
= qeth_get_buffer(channel
);
1422 iob
->callback
= idx_reply_cb
;
1423 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
1424 channel
->ccw
.count
= QETH_BUFSIZE
;
1425 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1427 wait_event(card
->wait_q
,
1428 atomic_cmpxchg(&channel
->irq_pending
, 0, 1) == 0);
1429 QETH_DBF_TEXT(SETUP
, 6, "noirqpnd");
1430 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1431 rc
= ccw_device_start(channel
->ccwdev
,
1432 &channel
->ccw
, (addr_t
) iob
, 0, 0);
1433 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1436 QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc
);
1437 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
1438 atomic_set(&channel
->irq_pending
, 0);
1439 wake_up(&card
->wait_q
);
1442 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1443 channel
->state
== CH_STATE_UP
, QETH_TIMEOUT
);
1444 if (rc
== -ERESTARTSYS
)
1446 if (channel
->state
!= CH_STATE_UP
) {
1448 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
1449 qeth_clear_cmd_buffers(channel
);
1455 static int qeth_idx_activate_channel(struct qeth_channel
*channel
,
1456 void (*idx_reply_cb
)(struct qeth_channel
*,
1457 struct qeth_cmd_buffer
*))
1459 struct qeth_card
*card
;
1460 struct qeth_cmd_buffer
*iob
;
1461 unsigned long flags
;
1465 struct ccw_dev_id temp_devid
;
1467 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1469 QETH_DBF_TEXT(SETUP
, 2, "idxactch");
1471 iob
= qeth_get_buffer(channel
);
1472 iob
->callback
= idx_reply_cb
;
1473 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
1474 channel
->ccw
.count
= IDX_ACTIVATE_SIZE
;
1475 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1476 if (channel
== &card
->write
) {
1477 memcpy(iob
->data
, IDX_ACTIVATE_WRITE
, IDX_ACTIVATE_SIZE
);
1478 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1479 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1480 card
->seqno
.trans_hdr
++;
1482 memcpy(iob
->data
, IDX_ACTIVATE_READ
, IDX_ACTIVATE_SIZE
);
1483 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1484 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1486 tmp
= ((__u8
)card
->info
.portno
) | 0x80;
1487 memcpy(QETH_IDX_ACT_PNO(iob
->data
), &tmp
, 1);
1488 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1489 &card
->token
.issuer_rm_w
, QETH_MPC_TOKEN_LENGTH
);
1490 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob
->data
),
1491 &card
->info
.func_level
, sizeof(__u16
));
1492 ccw_device_get_id(CARD_DDEV(card
), &temp_devid
);
1493 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob
->data
), &temp_devid
.devno
, 2);
1494 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
1495 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob
->data
), &temp
, 2);
1497 wait_event(card
->wait_q
,
1498 atomic_cmpxchg(&channel
->irq_pending
, 0, 1) == 0);
1499 QETH_DBF_TEXT(SETUP
, 6, "noirqpnd");
1500 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1501 rc
= ccw_device_start(channel
->ccwdev
,
1502 &channel
->ccw
, (addr_t
) iob
, 0, 0);
1503 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1506 QETH_DBF_MESSAGE(2, "Error1 in activating channel. rc=%d\n",
1508 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
1509 atomic_set(&channel
->irq_pending
, 0);
1510 wake_up(&card
->wait_q
);
1513 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1514 channel
->state
== CH_STATE_ACTIVATING
, QETH_TIMEOUT
);
1515 if (rc
== -ERESTARTSYS
)
1517 if (channel
->state
!= CH_STATE_ACTIVATING
) {
1518 dev_warn(&channel
->ccwdev
->dev
, "The qeth device driver"
1519 " failed to recover an error on the device\n");
1520 QETH_DBF_MESSAGE(2, "%s IDX activate timed out\n",
1521 dev_name(&channel
->ccwdev
->dev
));
1522 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", -ETIME
);
1523 qeth_clear_cmd_buffers(channel
);
1526 return qeth_idx_activate_get_answer(channel
, idx_reply_cb
);
1529 static int qeth_peer_func_level(int level
)
1531 if ((level
& 0xff) == 8)
1532 return (level
& 0xff) + 0x400;
1533 if (((level
>> 8) & 3) == 1)
1534 return (level
& 0xff) + 0x200;
1538 static void qeth_idx_write_cb(struct qeth_channel
*channel
,
1539 struct qeth_cmd_buffer
*iob
)
1541 struct qeth_card
*card
;
1544 QETH_DBF_TEXT(SETUP
, 2, "idxwrcb");
1546 if (channel
->state
== CH_STATE_DOWN
) {
1547 channel
->state
= CH_STATE_ACTIVATING
;
1550 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1552 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1553 if (QETH_IDX_ACT_CAUSE_CODE(iob
->data
) == 0x19)
1554 dev_err(&card
->write
.ccwdev
->dev
,
1555 "The adapter is used exclusively by another "
1558 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel:"
1559 " negative reply\n",
1560 dev_name(&card
->write
.ccwdev
->dev
));
1563 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1564 if ((temp
& ~0x0100) != qeth_peer_func_level(card
->info
.func_level
)) {
1565 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel: "
1566 "function level mismatch (sent: 0x%x, received: "
1567 "0x%x)\n", dev_name(&card
->write
.ccwdev
->dev
),
1568 card
->info
.func_level
, temp
);
1571 channel
->state
= CH_STATE_UP
;
1573 qeth_release_buffer(channel
, iob
);
1576 static void qeth_idx_read_cb(struct qeth_channel
*channel
,
1577 struct qeth_cmd_buffer
*iob
)
1579 struct qeth_card
*card
;
1582 QETH_DBF_TEXT(SETUP
, 2, "idxrdcb");
1583 if (channel
->state
== CH_STATE_DOWN
) {
1584 channel
->state
= CH_STATE_ACTIVATING
;
1588 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1589 if (qeth_check_idx_response(iob
->data
))
1592 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1593 if (QETH_IDX_ACT_CAUSE_CODE(iob
->data
) == 0x19)
1594 dev_err(&card
->write
.ccwdev
->dev
,
1595 "The adapter is used exclusively by another "
1598 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel:"
1599 " negative reply\n",
1600 dev_name(&card
->read
.ccwdev
->dev
));
1605 * temporary fix for microcode bug
1606 * to revert it,replace OR by AND
1608 if ((!QETH_IDX_NO_PORTNAME_REQUIRED(iob
->data
)) ||
1609 (card
->info
.type
== QETH_CARD_TYPE_OSAE
))
1610 card
->info
.portname_required
= 1;
1612 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1613 if (temp
!= qeth_peer_func_level(card
->info
.func_level
)) {
1614 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel: function "
1615 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1616 dev_name(&card
->read
.ccwdev
->dev
),
1617 card
->info
.func_level
, temp
);
1620 memcpy(&card
->token
.issuer_rm_r
,
1621 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1622 QETH_MPC_TOKEN_LENGTH
);
1623 memcpy(&card
->info
.mcl_level
[0],
1624 QETH_IDX_REPLY_LEVEL(iob
->data
), QETH_MCL_LENGTH
);
1625 channel
->state
= CH_STATE_UP
;
1627 qeth_release_buffer(channel
, iob
);
1630 void qeth_prepare_control_data(struct qeth_card
*card
, int len
,
1631 struct qeth_cmd_buffer
*iob
)
1633 qeth_setup_ccw(&card
->write
, iob
->data
, len
);
1634 iob
->callback
= qeth_release_buffer
;
1636 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1637 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1638 card
->seqno
.trans_hdr
++;
1639 memcpy(QETH_PDU_HEADER_SEQ_NO(iob
->data
),
1640 &card
->seqno
.pdu_hdr
, QETH_SEQ_NO_LENGTH
);
1641 card
->seqno
.pdu_hdr
++;
1642 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob
->data
),
1643 &card
->seqno
.pdu_hdr_ack
, QETH_SEQ_NO_LENGTH
);
1644 QETH_DBF_HEX(CTRL
, 2, iob
->data
, QETH_DBF_CTRL_LEN
);
1646 EXPORT_SYMBOL_GPL(qeth_prepare_control_data
);
1648 int qeth_send_control_data(struct qeth_card
*card
, int len
,
1649 struct qeth_cmd_buffer
*iob
,
1650 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
1655 unsigned long flags
;
1656 struct qeth_reply
*reply
= NULL
;
1657 unsigned long timeout
, event_timeout
;
1658 struct qeth_ipa_cmd
*cmd
;
1660 QETH_DBF_TEXT(TRACE
, 2, "sendctl");
1662 reply
= qeth_alloc_reply(card
);
1666 reply
->callback
= reply_cb
;
1667 reply
->param
= reply_param
;
1668 if (card
->state
== CARD_STATE_DOWN
)
1669 reply
->seqno
= QETH_IDX_COMMAND_SEQNO
;
1671 reply
->seqno
= card
->seqno
.ipa
++;
1672 init_waitqueue_head(&reply
->wait_q
);
1673 spin_lock_irqsave(&card
->lock
, flags
);
1674 list_add_tail(&reply
->list
, &card
->cmd_waiter_list
);
1675 spin_unlock_irqrestore(&card
->lock
, flags
);
1676 QETH_DBF_HEX(CTRL
, 2, iob
->data
, QETH_DBF_CTRL_LEN
);
1678 while (atomic_cmpxchg(&card
->write
.irq_pending
, 0, 1)) ;
1679 qeth_prepare_control_data(card
, len
, iob
);
1681 if (IS_IPA(iob
->data
))
1682 event_timeout
= QETH_IPA_TIMEOUT
;
1684 event_timeout
= QETH_TIMEOUT
;
1685 timeout
= jiffies
+ event_timeout
;
1687 QETH_DBF_TEXT(TRACE
, 6, "noirqpnd");
1688 spin_lock_irqsave(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
1689 rc
= ccw_device_start(card
->write
.ccwdev
, &card
->write
.ccw
,
1690 (addr_t
) iob
, 0, 0);
1691 spin_unlock_irqrestore(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
1693 QETH_DBF_MESSAGE(2, "%s qeth_send_control_data: "
1694 "ccw_device_start rc = %i\n",
1695 dev_name(&card
->write
.ccwdev
->dev
), rc
);
1696 QETH_DBF_TEXT_(TRACE
, 2, " err%d", rc
);
1697 spin_lock_irqsave(&card
->lock
, flags
);
1698 list_del_init(&reply
->list
);
1699 qeth_put_reply(reply
);
1700 spin_unlock_irqrestore(&card
->lock
, flags
);
1701 qeth_release_buffer(iob
->channel
, iob
);
1702 atomic_set(&card
->write
.irq_pending
, 0);
1703 wake_up(&card
->wait_q
);
1707 /* we have only one long running ipassist, since we can ensure
1708 process context of this command we can sleep */
1709 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
1710 if ((cmd
->hdr
.command
== IPA_CMD_SETIP
) &&
1711 (cmd
->hdr
.prot_version
== QETH_PROT_IPV4
)) {
1712 if (!wait_event_timeout(reply
->wait_q
,
1713 atomic_read(&reply
->received
), event_timeout
))
1716 while (!atomic_read(&reply
->received
)) {
1717 if (time_after(jiffies
, timeout
))
1724 qeth_put_reply(reply
);
1728 spin_lock_irqsave(&reply
->card
->lock
, flags
);
1729 list_del_init(&reply
->list
);
1730 spin_unlock_irqrestore(&reply
->card
->lock
, flags
);
1732 atomic_inc(&reply
->received
);
1733 wake_up(&reply
->wait_q
);
1735 qeth_put_reply(reply
);
1738 EXPORT_SYMBOL_GPL(qeth_send_control_data
);
1740 static int qeth_cm_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1743 struct qeth_cmd_buffer
*iob
;
1745 QETH_DBF_TEXT(SETUP
, 2, "cmenblcb");
1747 iob
= (struct qeth_cmd_buffer
*) data
;
1748 memcpy(&card
->token
.cm_filter_r
,
1749 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
1750 QETH_MPC_TOKEN_LENGTH
);
1751 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1755 static int qeth_cm_enable(struct qeth_card
*card
)
1758 struct qeth_cmd_buffer
*iob
;
1760 QETH_DBF_TEXT(SETUP
, 2, "cmenable");
1762 iob
= qeth_wait_for_buffer(&card
->write
);
1763 memcpy(iob
->data
, CM_ENABLE
, CM_ENABLE_SIZE
);
1764 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob
->data
),
1765 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
1766 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob
->data
),
1767 &card
->token
.cm_filter_w
, QETH_MPC_TOKEN_LENGTH
);
1769 rc
= qeth_send_control_data(card
, CM_ENABLE_SIZE
, iob
,
1770 qeth_cm_enable_cb
, NULL
);
1774 static int qeth_cm_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1778 struct qeth_cmd_buffer
*iob
;
1780 QETH_DBF_TEXT(SETUP
, 2, "cmsetpcb");
1782 iob
= (struct qeth_cmd_buffer
*) data
;
1783 memcpy(&card
->token
.cm_connection_r
,
1784 QETH_CM_SETUP_RESP_DEST_ADDR(iob
->data
),
1785 QETH_MPC_TOKEN_LENGTH
);
1786 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1790 static int qeth_cm_setup(struct qeth_card
*card
)
1793 struct qeth_cmd_buffer
*iob
;
1795 QETH_DBF_TEXT(SETUP
, 2, "cmsetup");
1797 iob
= qeth_wait_for_buffer(&card
->write
);
1798 memcpy(iob
->data
, CM_SETUP
, CM_SETUP_SIZE
);
1799 memcpy(QETH_CM_SETUP_DEST_ADDR(iob
->data
),
1800 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
1801 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob
->data
),
1802 &card
->token
.cm_connection_w
, QETH_MPC_TOKEN_LENGTH
);
1803 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob
->data
),
1804 &card
->token
.cm_filter_r
, QETH_MPC_TOKEN_LENGTH
);
1805 rc
= qeth_send_control_data(card
, CM_SETUP_SIZE
, iob
,
1806 qeth_cm_setup_cb
, NULL
);
1811 static inline int qeth_get_initial_mtu_for_card(struct qeth_card
*card
)
1813 switch (card
->info
.type
) {
1814 case QETH_CARD_TYPE_UNKNOWN
:
1816 case QETH_CARD_TYPE_IQD
:
1817 return card
->info
.max_mtu
;
1818 case QETH_CARD_TYPE_OSAE
:
1819 switch (card
->info
.link_type
) {
1820 case QETH_LINK_TYPE_HSTR
:
1821 case QETH_LINK_TYPE_LANE_TR
:
1831 static inline int qeth_get_max_mtu_for_card(int cardtype
)
1835 case QETH_CARD_TYPE_UNKNOWN
:
1836 case QETH_CARD_TYPE_OSAE
:
1837 case QETH_CARD_TYPE_OSN
:
1839 case QETH_CARD_TYPE_IQD
:
1846 static inline int qeth_get_mtu_out_of_mpc(int cardtype
)
1849 case QETH_CARD_TYPE_IQD
:
1856 static inline int qeth_get_mtu_outof_framesize(int framesize
)
1858 switch (framesize
) {
1872 static inline int qeth_mtu_is_valid(struct qeth_card
*card
, int mtu
)
1874 switch (card
->info
.type
) {
1875 case QETH_CARD_TYPE_OSAE
:
1876 return ((mtu
>= 576) && (mtu
<= 61440));
1877 case QETH_CARD_TYPE_IQD
:
1878 return ((mtu
>= 576) &&
1879 (mtu
<= card
->info
.max_mtu
+ 4096 - 32));
1880 case QETH_CARD_TYPE_OSN
:
1881 case QETH_CARD_TYPE_UNKNOWN
:
1887 static int qeth_ulp_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1891 __u16 mtu
, framesize
;
1894 struct qeth_cmd_buffer
*iob
;
1896 QETH_DBF_TEXT(SETUP
, 2, "ulpenacb");
1898 iob
= (struct qeth_cmd_buffer
*) data
;
1899 memcpy(&card
->token
.ulp_filter_r
,
1900 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
1901 QETH_MPC_TOKEN_LENGTH
);
1902 if (qeth_get_mtu_out_of_mpc(card
->info
.type
)) {
1903 memcpy(&framesize
, QETH_ULP_ENABLE_RESP_MAX_MTU(iob
->data
), 2);
1904 mtu
= qeth_get_mtu_outof_framesize(framesize
);
1907 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1910 card
->info
.max_mtu
= mtu
;
1911 card
->info
.initial_mtu
= mtu
;
1912 card
->qdio
.in_buf_size
= mtu
+ 2 * PAGE_SIZE
;
1914 card
->info
.initial_mtu
= qeth_get_initial_mtu_for_card(card
);
1915 card
->info
.max_mtu
= qeth_get_max_mtu_for_card(card
->info
.type
);
1916 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
1919 memcpy(&len
, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob
->data
), 2);
1920 if (len
>= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE
) {
1922 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob
->data
), 1);
1923 card
->info
.link_type
= link_type
;
1925 card
->info
.link_type
= 0;
1926 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1930 static int qeth_ulp_enable(struct qeth_card
*card
)
1934 struct qeth_cmd_buffer
*iob
;
1936 /*FIXME: trace view callbacks*/
1937 QETH_DBF_TEXT(SETUP
, 2, "ulpenabl");
1939 iob
= qeth_wait_for_buffer(&card
->write
);
1940 memcpy(iob
->data
, ULP_ENABLE
, ULP_ENABLE_SIZE
);
1942 *(QETH_ULP_ENABLE_LINKNUM(iob
->data
)) =
1943 (__u8
) card
->info
.portno
;
1944 if (card
->options
.layer2
)
1945 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
1946 prot_type
= QETH_PROT_OSN2
;
1948 prot_type
= QETH_PROT_LAYER2
;
1950 prot_type
= QETH_PROT_TCPIP
;
1952 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob
->data
), &prot_type
, 1);
1953 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob
->data
),
1954 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
1955 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob
->data
),
1956 &card
->token
.ulp_filter_w
, QETH_MPC_TOKEN_LENGTH
);
1957 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob
->data
),
1958 card
->info
.portname
, 9);
1959 rc
= qeth_send_control_data(card
, ULP_ENABLE_SIZE
, iob
,
1960 qeth_ulp_enable_cb
, NULL
);
1965 static int qeth_ulp_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1968 struct qeth_cmd_buffer
*iob
;
1970 QETH_DBF_TEXT(SETUP
, 2, "ulpstpcb");
1972 iob
= (struct qeth_cmd_buffer
*) data
;
1973 memcpy(&card
->token
.ulp_connection_r
,
1974 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob
->data
),
1975 QETH_MPC_TOKEN_LENGTH
);
1976 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1980 static int qeth_ulp_setup(struct qeth_card
*card
)
1984 struct qeth_cmd_buffer
*iob
;
1985 struct ccw_dev_id dev_id
;
1987 QETH_DBF_TEXT(SETUP
, 2, "ulpsetup");
1989 iob
= qeth_wait_for_buffer(&card
->write
);
1990 memcpy(iob
->data
, ULP_SETUP
, ULP_SETUP_SIZE
);
1992 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob
->data
),
1993 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
1994 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob
->data
),
1995 &card
->token
.ulp_connection_w
, QETH_MPC_TOKEN_LENGTH
);
1996 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob
->data
),
1997 &card
->token
.ulp_filter_r
, QETH_MPC_TOKEN_LENGTH
);
1999 ccw_device_get_id(CARD_DDEV(card
), &dev_id
);
2000 memcpy(QETH_ULP_SETUP_CUA(iob
->data
), &dev_id
.devno
, 2);
2001 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
2002 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob
->data
), &temp
, 2);
2003 rc
= qeth_send_control_data(card
, ULP_SETUP_SIZE
, iob
,
2004 qeth_ulp_setup_cb
, NULL
);
2008 static int qeth_alloc_qdio_buffers(struct qeth_card
*card
)
2012 QETH_DBF_TEXT(SETUP
, 2, "allcqdbf");
2014 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
,
2015 QETH_QDIO_ALLOCATED
) != QETH_QDIO_UNINITIALIZED
)
2018 card
->qdio
.in_q
= kmalloc(sizeof(struct qeth_qdio_q
),
2020 if (!card
->qdio
.in_q
)
2022 QETH_DBF_TEXT(SETUP
, 2, "inq");
2023 QETH_DBF_HEX(SETUP
, 2, &card
->qdio
.in_q
, sizeof(void *));
2024 memset(card
->qdio
.in_q
, 0, sizeof(struct qeth_qdio_q
));
2025 /* give inbound qeth_qdio_buffers their qdio_buffers */
2026 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
)
2027 card
->qdio
.in_q
->bufs
[i
].buffer
=
2028 &card
->qdio
.in_q
->qdio_bufs
[i
];
2029 /* inbound buffer pool */
2030 if (qeth_alloc_buffer_pool(card
))
2034 kmalloc(card
->qdio
.no_out_queues
*
2035 sizeof(struct qeth_qdio_out_q
*), GFP_KERNEL
);
2036 if (!card
->qdio
.out_qs
)
2038 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
2039 card
->qdio
.out_qs
[i
] = kmalloc(sizeof(struct qeth_qdio_out_q
),
2041 if (!card
->qdio
.out_qs
[i
])
2043 QETH_DBF_TEXT_(SETUP
, 2, "outq %i", i
);
2044 QETH_DBF_HEX(SETUP
, 2, &card
->qdio
.out_qs
[i
], sizeof(void *));
2045 memset(card
->qdio
.out_qs
[i
], 0, sizeof(struct qeth_qdio_out_q
));
2046 card
->qdio
.out_qs
[i
]->queue_no
= i
;
2047 /* give outbound qeth_qdio_buffers their qdio_buffers */
2048 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
2049 card
->qdio
.out_qs
[i
]->bufs
[j
].buffer
=
2050 &card
->qdio
.out_qs
[i
]->qdio_bufs
[j
];
2051 skb_queue_head_init(&card
->qdio
.out_qs
[i
]->bufs
[j
].
2054 &card
->qdio
.out_qs
[i
]->bufs
[j
].skb_list
.lock
,
2055 &qdio_out_skb_queue_key
);
2056 INIT_LIST_HEAD(&card
->qdio
.out_qs
[i
]->bufs
[j
].ctx_list
);
2063 kfree(card
->qdio
.out_qs
[--i
]);
2064 kfree(card
->qdio
.out_qs
);
2065 card
->qdio
.out_qs
= NULL
;
2067 qeth_free_buffer_pool(card
);
2069 kfree(card
->qdio
.in_q
);
2070 card
->qdio
.in_q
= NULL
;
2072 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
2076 static void qeth_create_qib_param_field(struct qeth_card
*card
,
2080 param_field
[0] = _ascebc
['P'];
2081 param_field
[1] = _ascebc
['C'];
2082 param_field
[2] = _ascebc
['I'];
2083 param_field
[3] = _ascebc
['T'];
2084 *((unsigned int *) (¶m_field
[4])) = QETH_PCI_THRESHOLD_A(card
);
2085 *((unsigned int *) (¶m_field
[8])) = QETH_PCI_THRESHOLD_B(card
);
2086 *((unsigned int *) (¶m_field
[12])) = QETH_PCI_TIMER_VALUE(card
);
2089 static void qeth_create_qib_param_field_blkt(struct qeth_card
*card
,
2092 param_field
[16] = _ascebc
['B'];
2093 param_field
[17] = _ascebc
['L'];
2094 param_field
[18] = _ascebc
['K'];
2095 param_field
[19] = _ascebc
['T'];
2096 *((unsigned int *) (¶m_field
[20])) = card
->info
.blkt
.time_total
;
2097 *((unsigned int *) (¶m_field
[24])) = card
->info
.blkt
.inter_packet
;
2098 *((unsigned int *) (¶m_field
[28])) =
2099 card
->info
.blkt
.inter_packet_jumbo
;
2102 static int qeth_qdio_activate(struct qeth_card
*card
)
2104 QETH_DBF_TEXT(SETUP
, 3, "qdioact");
2105 return qdio_activate(CARD_DDEV(card
));
2108 static int qeth_dm_act(struct qeth_card
*card
)
2111 struct qeth_cmd_buffer
*iob
;
2113 QETH_DBF_TEXT(SETUP
, 2, "dmact");
2115 iob
= qeth_wait_for_buffer(&card
->write
);
2116 memcpy(iob
->data
, DM_ACT
, DM_ACT_SIZE
);
2118 memcpy(QETH_DM_ACT_DEST_ADDR(iob
->data
),
2119 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2120 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob
->data
),
2121 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2122 rc
= qeth_send_control_data(card
, DM_ACT_SIZE
, iob
, NULL
, NULL
);
2126 static int qeth_mpc_initialize(struct qeth_card
*card
)
2130 QETH_DBF_TEXT(SETUP
, 2, "mpcinit");
2132 rc
= qeth_issue_next_read(card
);
2134 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
2137 rc
= qeth_cm_enable(card
);
2139 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
2142 rc
= qeth_cm_setup(card
);
2144 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
2147 rc
= qeth_ulp_enable(card
);
2149 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
2152 rc
= qeth_ulp_setup(card
);
2154 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
2157 rc
= qeth_alloc_qdio_buffers(card
);
2159 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
2162 rc
= qeth_qdio_establish(card
);
2164 QETH_DBF_TEXT_(SETUP
, 2, "6err%d", rc
);
2165 qeth_free_qdio_buffers(card
);
2168 rc
= qeth_qdio_activate(card
);
2170 QETH_DBF_TEXT_(SETUP
, 2, "7err%d", rc
);
2173 rc
= qeth_dm_act(card
);
2175 QETH_DBF_TEXT_(SETUP
, 2, "8err%d", rc
);
2181 qeth_qdio_clear_card(card
, card
->info
.type
!= QETH_CARD_TYPE_IQD
);
2185 static void qeth_print_status_with_portname(struct qeth_card
*card
)
2190 sprintf(dbf_text
, "%s", card
->info
.portname
+ 1);
2191 for (i
= 0; i
< 8; i
++)
2193 (char) _ebcasc
[(__u8
) dbf_text
[i
]];
2195 dev_info(&card
->gdev
->dev
, "Device is a%s card%s%s%s\n"
2196 "with link type %s (portname: %s)\n",
2197 qeth_get_cardname(card
),
2198 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2199 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2200 (card
->info
.mcl_level
[0]) ? ")" : "",
2201 qeth_get_cardname_short(card
),
2206 static void qeth_print_status_no_portname(struct qeth_card
*card
)
2208 if (card
->info
.portname
[0])
2209 dev_info(&card
->gdev
->dev
, "Device is a%s "
2210 "card%s%s%s\nwith link type %s "
2211 "(no portname needed by interface).\n",
2212 qeth_get_cardname(card
),
2213 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2214 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2215 (card
->info
.mcl_level
[0]) ? ")" : "",
2216 qeth_get_cardname_short(card
));
2218 dev_info(&card
->gdev
->dev
, "Device is a%s "
2219 "card%s%s%s\nwith link type %s.\n",
2220 qeth_get_cardname(card
),
2221 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2222 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2223 (card
->info
.mcl_level
[0]) ? ")" : "",
2224 qeth_get_cardname_short(card
));
2227 void qeth_print_status_message(struct qeth_card
*card
)
2229 switch (card
->info
.type
) {
2230 case QETH_CARD_TYPE_OSAE
:
2231 /* VM will use a non-zero first character
2232 * to indicate a HiperSockets like reporting
2233 * of the level OSA sets the first character to zero
2235 if (!card
->info
.mcl_level
[0]) {
2236 sprintf(card
->info
.mcl_level
, "%02x%02x",
2237 card
->info
.mcl_level
[2],
2238 card
->info
.mcl_level
[3]);
2240 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
2244 case QETH_CARD_TYPE_IQD
:
2245 if ((card
->info
.guestlan
) ||
2246 (card
->info
.mcl_level
[0] & 0x80)) {
2247 card
->info
.mcl_level
[0] = (char) _ebcasc
[(__u8
)
2248 card
->info
.mcl_level
[0]];
2249 card
->info
.mcl_level
[1] = (char) _ebcasc
[(__u8
)
2250 card
->info
.mcl_level
[1]];
2251 card
->info
.mcl_level
[2] = (char) _ebcasc
[(__u8
)
2252 card
->info
.mcl_level
[2]];
2253 card
->info
.mcl_level
[3] = (char) _ebcasc
[(__u8
)
2254 card
->info
.mcl_level
[3]];
2255 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
2259 memset(&card
->info
.mcl_level
[0], 0, QETH_MCL_LENGTH
+ 1);
2261 if (card
->info
.portname_required
)
2262 qeth_print_status_with_portname(card
);
2264 qeth_print_status_no_portname(card
);
2266 EXPORT_SYMBOL_GPL(qeth_print_status_message
);
2268 static void qeth_initialize_working_pool_list(struct qeth_card
*card
)
2270 struct qeth_buffer_pool_entry
*entry
;
2272 QETH_DBF_TEXT(TRACE
, 5, "inwrklst");
2274 list_for_each_entry(entry
,
2275 &card
->qdio
.init_pool
.entry_list
, init_list
) {
2276 qeth_put_buffer_pool_entry(card
, entry
);
2280 static inline struct qeth_buffer_pool_entry
*qeth_find_free_buffer_pool_entry(
2281 struct qeth_card
*card
)
2283 struct list_head
*plh
;
2284 struct qeth_buffer_pool_entry
*entry
;
2288 if (list_empty(&card
->qdio
.in_buf_pool
.entry_list
))
2291 list_for_each(plh
, &card
->qdio
.in_buf_pool
.entry_list
) {
2292 entry
= list_entry(plh
, struct qeth_buffer_pool_entry
, list
);
2294 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2295 if (page_count(virt_to_page(entry
->elements
[i
])) > 1) {
2301 list_del_init(&entry
->list
);
2306 /* no free buffer in pool so take first one and swap pages */
2307 entry
= list_entry(card
->qdio
.in_buf_pool
.entry_list
.next
,
2308 struct qeth_buffer_pool_entry
, list
);
2309 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2310 if (page_count(virt_to_page(entry
->elements
[i
])) > 1) {
2311 page
= alloc_page(GFP_ATOMIC
);
2315 free_page((unsigned long)entry
->elements
[i
]);
2316 entry
->elements
[i
] = page_address(page
);
2317 if (card
->options
.performance_stats
)
2318 card
->perf_stats
.sg_alloc_page_rx
++;
2322 list_del_init(&entry
->list
);
2326 static int qeth_init_input_buffer(struct qeth_card
*card
,
2327 struct qeth_qdio_buffer
*buf
)
2329 struct qeth_buffer_pool_entry
*pool_entry
;
2332 pool_entry
= qeth_find_free_buffer_pool_entry(card
);
2337 * since the buffer is accessed only from the input_tasklet
2338 * there shouldn't be a need to synchronize; also, since we use
2339 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2343 buf
->pool_entry
= pool_entry
;
2344 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2345 buf
->buffer
->element
[i
].length
= PAGE_SIZE
;
2346 buf
->buffer
->element
[i
].addr
= pool_entry
->elements
[i
];
2347 if (i
== QETH_MAX_BUFFER_ELEMENTS(card
) - 1)
2348 buf
->buffer
->element
[i
].flags
= SBAL_FLAGS_LAST_ENTRY
;
2350 buf
->buffer
->element
[i
].flags
= 0;
2355 int qeth_init_qdio_queues(struct qeth_card
*card
)
2360 QETH_DBF_TEXT(SETUP
, 2, "initqdqs");
2363 memset(card
->qdio
.in_q
->qdio_bufs
, 0,
2364 QDIO_MAX_BUFFERS_PER_Q
* sizeof(struct qdio_buffer
));
2365 qeth_initialize_working_pool_list(card
);
2366 /*give only as many buffers to hardware as we have buffer pool entries*/
2367 for (i
= 0; i
< card
->qdio
.in_buf_pool
.buf_count
- 1; ++i
)
2368 qeth_init_input_buffer(card
, &card
->qdio
.in_q
->bufs
[i
]);
2369 card
->qdio
.in_q
->next_buf_to_init
=
2370 card
->qdio
.in_buf_pool
.buf_count
- 1;
2371 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0, 0,
2372 card
->qdio
.in_buf_pool
.buf_count
- 1);
2374 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
2377 /* outbound queue */
2378 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
2379 memset(card
->qdio
.out_qs
[i
]->qdio_bufs
, 0,
2380 QDIO_MAX_BUFFERS_PER_Q
* sizeof(struct qdio_buffer
));
2381 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
2382 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
2383 &card
->qdio
.out_qs
[i
]->bufs
[j
]);
2385 card
->qdio
.out_qs
[i
]->card
= card
;
2386 card
->qdio
.out_qs
[i
]->next_buf_to_fill
= 0;
2387 card
->qdio
.out_qs
[i
]->do_pack
= 0;
2388 atomic_set(&card
->qdio
.out_qs
[i
]->used_buffers
, 0);
2389 atomic_set(&card
->qdio
.out_qs
[i
]->set_pci_flags_count
, 0);
2390 atomic_set(&card
->qdio
.out_qs
[i
]->state
,
2391 QETH_OUT_Q_UNLOCKED
);
2395 EXPORT_SYMBOL_GPL(qeth_init_qdio_queues
);
2397 static inline __u8
qeth_get_ipa_adp_type(enum qeth_link_types link_type
)
2399 switch (link_type
) {
2400 case QETH_LINK_TYPE_HSTR
:
2407 static void qeth_fill_ipacmd_header(struct qeth_card
*card
,
2408 struct qeth_ipa_cmd
*cmd
, __u8 command
,
2409 enum qeth_prot_versions prot
)
2411 memset(cmd
, 0, sizeof(struct qeth_ipa_cmd
));
2412 cmd
->hdr
.command
= command
;
2413 cmd
->hdr
.initiator
= IPA_CMD_INITIATOR_HOST
;
2414 cmd
->hdr
.seqno
= card
->seqno
.ipa
;
2415 cmd
->hdr
.adapter_type
= qeth_get_ipa_adp_type(card
->info
.link_type
);
2416 cmd
->hdr
.rel_adapter_no
= (__u8
) card
->info
.portno
;
2417 if (card
->options
.layer2
)
2418 cmd
->hdr
.prim_version_no
= 2;
2420 cmd
->hdr
.prim_version_no
= 1;
2421 cmd
->hdr
.param_count
= 1;
2422 cmd
->hdr
.prot_version
= prot
;
2423 cmd
->hdr
.ipa_supported
= 0;
2424 cmd
->hdr
.ipa_enabled
= 0;
2427 struct qeth_cmd_buffer
*qeth_get_ipacmd_buffer(struct qeth_card
*card
,
2428 enum qeth_ipa_cmds ipacmd
, enum qeth_prot_versions prot
)
2430 struct qeth_cmd_buffer
*iob
;
2431 struct qeth_ipa_cmd
*cmd
;
2433 iob
= qeth_wait_for_buffer(&card
->write
);
2434 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2435 qeth_fill_ipacmd_header(card
, cmd
, ipacmd
, prot
);
2439 EXPORT_SYMBOL_GPL(qeth_get_ipacmd_buffer
);
2441 void qeth_prepare_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
2444 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
2445 memcpy(QETH_IPA_CMD_PROT_TYPE(iob
->data
), &prot_type
, 1);
2446 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
2447 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2449 EXPORT_SYMBOL_GPL(qeth_prepare_ipa_cmd
);
2451 int qeth_send_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
2452 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
2459 QETH_DBF_TEXT(TRACE
, 4, "sendipa");
2461 if (card
->options
.layer2
)
2462 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2463 prot_type
= QETH_PROT_OSN2
;
2465 prot_type
= QETH_PROT_LAYER2
;
2467 prot_type
= QETH_PROT_TCPIP
;
2468 qeth_prepare_ipa_cmd(card
, iob
, prot_type
);
2469 rc
= qeth_send_control_data(card
, IPA_CMD_LENGTH
,
2470 iob
, reply_cb
, reply_param
);
2473 EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd
);
2475 static int qeth_send_startstoplan(struct qeth_card
*card
,
2476 enum qeth_ipa_cmds ipacmd
, enum qeth_prot_versions prot
)
2479 struct qeth_cmd_buffer
*iob
;
2481 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, prot
);
2482 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
2487 int qeth_send_startlan(struct qeth_card
*card
)
2491 QETH_DBF_TEXT(SETUP
, 2, "strtlan");
2493 rc
= qeth_send_startstoplan(card
, IPA_CMD_STARTLAN
, 0);
2496 EXPORT_SYMBOL_GPL(qeth_send_startlan
);
2498 int qeth_send_stoplan(struct qeth_card
*card
)
2503 * TODO: according to the IPA format document page 14,
2504 * TCP/IP (we!) never issue a STOPLAN
2507 QETH_DBF_TEXT(SETUP
, 2, "stoplan");
2509 rc
= qeth_send_startstoplan(card
, IPA_CMD_STOPLAN
, 0);
2512 EXPORT_SYMBOL_GPL(qeth_send_stoplan
);
2514 int qeth_default_setadapterparms_cb(struct qeth_card
*card
,
2515 struct qeth_reply
*reply
, unsigned long data
)
2517 struct qeth_ipa_cmd
*cmd
;
2519 QETH_DBF_TEXT(TRACE
, 4, "defadpcb");
2521 cmd
= (struct qeth_ipa_cmd
*) data
;
2522 if (cmd
->hdr
.return_code
== 0)
2523 cmd
->hdr
.return_code
=
2524 cmd
->data
.setadapterparms
.hdr
.return_code
;
2527 EXPORT_SYMBOL_GPL(qeth_default_setadapterparms_cb
);
2529 static int qeth_query_setadapterparms_cb(struct qeth_card
*card
,
2530 struct qeth_reply
*reply
, unsigned long data
)
2532 struct qeth_ipa_cmd
*cmd
;
2534 QETH_DBF_TEXT(TRACE
, 3, "quyadpcb");
2536 cmd
= (struct qeth_ipa_cmd
*) data
;
2537 if (cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
& 0x7f)
2538 card
->info
.link_type
=
2539 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
;
2540 card
->options
.adp
.supported_funcs
=
2541 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.supported_cmds
;
2542 return qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
2545 struct qeth_cmd_buffer
*qeth_get_adapter_cmd(struct qeth_card
*card
,
2546 __u32 command
, __u32 cmdlen
)
2548 struct qeth_cmd_buffer
*iob
;
2549 struct qeth_ipa_cmd
*cmd
;
2551 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SETADAPTERPARMS
,
2553 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2554 cmd
->data
.setadapterparms
.hdr
.cmdlength
= cmdlen
;
2555 cmd
->data
.setadapterparms
.hdr
.command_code
= command
;
2556 cmd
->data
.setadapterparms
.hdr
.used_total
= 1;
2557 cmd
->data
.setadapterparms
.hdr
.seq_no
= 1;
2561 EXPORT_SYMBOL_GPL(qeth_get_adapter_cmd
);
2563 int qeth_query_setadapterparms(struct qeth_card
*card
)
2566 struct qeth_cmd_buffer
*iob
;
2568 QETH_DBF_TEXT(TRACE
, 3, "queryadp");
2569 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_QUERY_COMMANDS_SUPPORTED
,
2570 sizeof(struct qeth_ipacmd_setadpparms
));
2571 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_query_setadapterparms_cb
, NULL
);
2574 EXPORT_SYMBOL_GPL(qeth_query_setadapterparms
);
2576 int qeth_check_qdio_errors(struct qdio_buffer
*buf
, unsigned int qdio_error
,
2577 const char *dbftext
)
2580 QETH_DBF_TEXT(TRACE
, 2, dbftext
);
2581 QETH_DBF_TEXT(QERR
, 2, dbftext
);
2582 QETH_DBF_TEXT_(QERR
, 2, " F15=%02X",
2583 buf
->element
[15].flags
& 0xff);
2584 QETH_DBF_TEXT_(QERR
, 2, " F14=%02X",
2585 buf
->element
[14].flags
& 0xff);
2586 QETH_DBF_TEXT_(QERR
, 2, " qerr=%X", qdio_error
);
2591 EXPORT_SYMBOL_GPL(qeth_check_qdio_errors
);
2593 void qeth_queue_input_buffer(struct qeth_card
*card
, int index
)
2595 struct qeth_qdio_q
*queue
= card
->qdio
.in_q
;
2601 count
= (index
< queue
->next_buf_to_init
)?
2602 card
->qdio
.in_buf_pool
.buf_count
-
2603 (queue
->next_buf_to_init
- index
) :
2604 card
->qdio
.in_buf_pool
.buf_count
-
2605 (queue
->next_buf_to_init
+ QDIO_MAX_BUFFERS_PER_Q
- index
);
2606 /* only requeue at a certain threshold to avoid SIGAs */
2607 if (count
>= QETH_IN_BUF_REQUEUE_THRESHOLD(card
)) {
2608 for (i
= queue
->next_buf_to_init
;
2609 i
< queue
->next_buf_to_init
+ count
; ++i
) {
2610 if (qeth_init_input_buffer(card
,
2611 &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
])) {
2618 if (newcount
< count
) {
2619 /* we are in memory shortage so we switch back to
2620 traditional skb allocation and drop packages */
2621 atomic_set(&card
->force_alloc_skb
, 3);
2624 atomic_add_unless(&card
->force_alloc_skb
, -1, 0);
2628 * according to old code it should be avoided to requeue all
2629 * 128 buffers in order to benefit from PCI avoidance.
2630 * this function keeps at least one buffer (the buffer at
2631 * 'index') un-requeued -> this buffer is the first buffer that
2632 * will be requeued the next time
2634 if (card
->options
.performance_stats
) {
2635 card
->perf_stats
.inbound_do_qdio_cnt
++;
2636 card
->perf_stats
.inbound_do_qdio_start_time
=
2639 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0,
2640 queue
->next_buf_to_init
, count
);
2641 if (card
->options
.performance_stats
)
2642 card
->perf_stats
.inbound_do_qdio_time
+=
2644 card
->perf_stats
.inbound_do_qdio_start_time
;
2646 dev_warn(&card
->gdev
->dev
,
2647 "QDIO reported an error, rc=%i\n", rc
);
2648 QETH_DBF_TEXT(TRACE
, 2, "qinberr");
2649 QETH_DBF_TEXT_(TRACE
, 2, "%s", CARD_BUS_ID(card
));
2651 queue
->next_buf_to_init
= (queue
->next_buf_to_init
+ count
) %
2652 QDIO_MAX_BUFFERS_PER_Q
;
2655 EXPORT_SYMBOL_GPL(qeth_queue_input_buffer
);
2657 static int qeth_handle_send_error(struct qeth_card
*card
,
2658 struct qeth_qdio_out_buffer
*buffer
, unsigned int qdio_err
)
2660 int sbalf15
= buffer
->buffer
->element
[15].flags
& 0xff;
2662 QETH_DBF_TEXT(TRACE
, 6, "hdsnderr");
2663 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
2670 qeth_check_qdio_errors(buffer
->buffer
, qdio_err
, "qouterr");
2673 return QETH_SEND_ERROR_NONE
;
2675 if ((sbalf15
>= 15) && (sbalf15
<= 31))
2676 return QETH_SEND_ERROR_RETRY
;
2678 QETH_DBF_TEXT(TRACE
, 1, "lnkfail");
2679 QETH_DBF_TEXT_(TRACE
, 1, "%s", CARD_BUS_ID(card
));
2680 QETH_DBF_TEXT_(TRACE
, 1, "%04x %02x",
2681 (u16
)qdio_err
, (u8
)sbalf15
);
2682 return QETH_SEND_ERROR_LINK_FAILURE
;
2686 * Switched to packing state if the number of used buffers on a queue
2687 * reaches a certain limit.
2689 static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q
*queue
)
2691 if (!queue
->do_pack
) {
2692 if (atomic_read(&queue
->used_buffers
)
2693 >= QETH_HIGH_WATERMARK_PACK
){
2694 /* switch non-PACKING -> PACKING */
2695 QETH_DBF_TEXT(TRACE
, 6, "np->pack");
2696 if (queue
->card
->options
.performance_stats
)
2697 queue
->card
->perf_stats
.sc_dp_p
++;
2704 * Switches from packing to non-packing mode. If there is a packing
2705 * buffer on the queue this buffer will be prepared to be flushed.
2706 * In that case 1 is returned to inform the caller. If no buffer
2707 * has to be flushed, zero is returned.
2709 static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q
*queue
)
2711 struct qeth_qdio_out_buffer
*buffer
;
2712 int flush_count
= 0;
2714 if (queue
->do_pack
) {
2715 if (atomic_read(&queue
->used_buffers
)
2716 <= QETH_LOW_WATERMARK_PACK
) {
2717 /* switch PACKING -> non-PACKING */
2718 QETH_DBF_TEXT(TRACE
, 6, "pack->np");
2719 if (queue
->card
->options
.performance_stats
)
2720 queue
->card
->perf_stats
.sc_p_dp
++;
2722 /* flush packing buffers */
2723 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
2724 if ((atomic_read(&buffer
->state
) ==
2725 QETH_QDIO_BUF_EMPTY
) &&
2726 (buffer
->next_element_to_fill
> 0)) {
2727 atomic_set(&buffer
->state
,
2728 QETH_QDIO_BUF_PRIMED
);
2730 queue
->next_buf_to_fill
=
2731 (queue
->next_buf_to_fill
+ 1) %
2732 QDIO_MAX_BUFFERS_PER_Q
;
2740 * Called to flush a packing buffer if no more pci flags are on the queue.
2741 * Checks if there is a packing buffer and prepares it to be flushed.
2742 * In that case returns 1, otherwise zero.
2744 static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q
*queue
)
2746 struct qeth_qdio_out_buffer
*buffer
;
2748 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
2749 if ((atomic_read(&buffer
->state
) == QETH_QDIO_BUF_EMPTY
) &&
2750 (buffer
->next_element_to_fill
> 0)) {
2751 /* it's a packing buffer */
2752 atomic_set(&buffer
->state
, QETH_QDIO_BUF_PRIMED
);
2753 queue
->next_buf_to_fill
=
2754 (queue
->next_buf_to_fill
+ 1) % QDIO_MAX_BUFFERS_PER_Q
;
2760 static void qeth_flush_buffers(struct qeth_qdio_out_q
*queue
, int index
,
2763 struct qeth_qdio_out_buffer
*buf
;
2766 unsigned int qdio_flags
;
2768 for (i
= index
; i
< index
+ count
; ++i
) {
2769 buf
= &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
];
2770 buf
->buffer
->element
[buf
->next_element_to_fill
- 1].flags
|=
2771 SBAL_FLAGS_LAST_ENTRY
;
2773 if (queue
->card
->info
.type
== QETH_CARD_TYPE_IQD
)
2776 if (!queue
->do_pack
) {
2777 if ((atomic_read(&queue
->used_buffers
) >=
2778 (QETH_HIGH_WATERMARK_PACK
-
2779 QETH_WATERMARK_PACK_FUZZ
)) &&
2780 !atomic_read(&queue
->set_pci_flags_count
)) {
2781 /* it's likely that we'll go to packing
2783 atomic_inc(&queue
->set_pci_flags_count
);
2784 buf
->buffer
->element
[0].flags
|= 0x40;
2787 if (!atomic_read(&queue
->set_pci_flags_count
)) {
2789 * there's no outstanding PCI any more, so we
2790 * have to request a PCI to be sure the the PCI
2791 * will wake at some time in the future then we
2792 * can flush packed buffers that might still be
2793 * hanging around, which can happen if no
2794 * further send was requested by the stack
2796 atomic_inc(&queue
->set_pci_flags_count
);
2797 buf
->buffer
->element
[0].flags
|= 0x40;
2802 queue
->sync_iqdio_error
= 0;
2803 queue
->card
->dev
->trans_start
= jiffies
;
2804 if (queue
->card
->options
.performance_stats
) {
2805 queue
->card
->perf_stats
.outbound_do_qdio_cnt
++;
2806 queue
->card
->perf_stats
.outbound_do_qdio_start_time
=
2809 qdio_flags
= QDIO_FLAG_SYNC_OUTPUT
;
2810 if (atomic_read(&queue
->set_pci_flags_count
))
2811 qdio_flags
|= QDIO_FLAG_PCI_OUT
;
2812 rc
= do_QDIO(CARD_DDEV(queue
->card
), qdio_flags
,
2813 queue
->queue_no
, index
, count
);
2814 if (queue
->card
->options
.performance_stats
)
2815 queue
->card
->perf_stats
.outbound_do_qdio_time
+=
2817 queue
->card
->perf_stats
.outbound_do_qdio_start_time
;
2819 if (!(rc
& QDIO_ERROR_SIGA_BUSY
))
2820 queue
->sync_iqdio_error
= rc
& 3;
2823 queue
->card
->stats
.tx_errors
+= count
;
2824 /* ignore temporary SIGA errors without busy condition */
2825 if (rc
== QDIO_ERROR_SIGA_TARGET
)
2827 QETH_DBF_TEXT(TRACE
, 2, "flushbuf");
2828 QETH_DBF_TEXT_(TRACE
, 2, " err%d", rc
);
2829 QETH_DBF_TEXT_(TRACE
, 2, "%s", CARD_DDEV_ID(queue
->card
));
2831 /* this must not happen under normal circumstances. if it
2832 * happens something is really wrong -> recover */
2833 qeth_schedule_recovery(queue
->card
);
2836 atomic_add(count
, &queue
->used_buffers
);
2837 if (queue
->card
->options
.performance_stats
)
2838 queue
->card
->perf_stats
.bufs_sent
+= count
;
2841 static void qeth_check_outbound_queue(struct qeth_qdio_out_q
*queue
)
2845 int q_was_packing
= 0;
2848 * check if weed have to switch to non-packing mode or if
2849 * we have to get a pci flag out on the queue
2851 if ((atomic_read(&queue
->used_buffers
) <= QETH_LOW_WATERMARK_PACK
) ||
2852 !atomic_read(&queue
->set_pci_flags_count
)) {
2853 if (atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
) ==
2854 QETH_OUT_Q_UNLOCKED
) {
2856 * If we get in here, there was no action in
2857 * do_send_packet. So, we check if there is a
2858 * packing buffer to be flushed here.
2860 netif_stop_queue(queue
->card
->dev
);
2861 index
= queue
->next_buf_to_fill
;
2862 q_was_packing
= queue
->do_pack
;
2863 /* queue->do_pack may change */
2865 flush_cnt
+= qeth_switch_to_nonpacking_if_needed(queue
);
2867 !atomic_read(&queue
->set_pci_flags_count
))
2869 qeth_flush_buffers_on_no_pci(queue
);
2870 if (queue
->card
->options
.performance_stats
&&
2872 queue
->card
->perf_stats
.bufs_sent_pack
+=
2875 qeth_flush_buffers(queue
, index
, flush_cnt
);
2876 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
2881 void qeth_qdio_output_handler(struct ccw_device
*ccwdev
,
2882 unsigned int qdio_error
, int __queue
, int first_element
,
2883 int count
, unsigned long card_ptr
)
2885 struct qeth_card
*card
= (struct qeth_card
*) card_ptr
;
2886 struct qeth_qdio_out_q
*queue
= card
->qdio
.out_qs
[__queue
];
2887 struct qeth_qdio_out_buffer
*buffer
;
2889 unsigned qeth_send_err
;
2891 QETH_DBF_TEXT(TRACE
, 6, "qdouhdl");
2892 if (qdio_error
& QDIO_ERROR_ACTIVATE_CHECK_CONDITION
) {
2893 QETH_DBF_TEXT(TRACE
, 2, "achkcond");
2894 QETH_DBF_TEXT_(TRACE
, 2, "%s", CARD_BUS_ID(card
));
2895 netif_stop_queue(card
->dev
);
2896 qeth_schedule_recovery(card
);
2899 if (card
->options
.performance_stats
) {
2900 card
->perf_stats
.outbound_handler_cnt
++;
2901 card
->perf_stats
.outbound_handler_start_time
=
2904 for (i
= first_element
; i
< (first_element
+ count
); ++i
) {
2905 buffer
= &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
];
2906 qeth_send_err
= qeth_handle_send_error(card
, buffer
, qdio_error
);
2907 __qeth_clear_output_buffer(queue
, buffer
,
2908 (qeth_send_err
== QETH_SEND_ERROR_RETRY
) ? 1 : 0);
2910 atomic_sub(count
, &queue
->used_buffers
);
2911 /* check if we need to do something on this outbound queue */
2912 if (card
->info
.type
!= QETH_CARD_TYPE_IQD
)
2913 qeth_check_outbound_queue(queue
);
2915 netif_wake_queue(queue
->card
->dev
);
2916 if (card
->options
.performance_stats
)
2917 card
->perf_stats
.outbound_handler_time
+= qeth_get_micros() -
2918 card
->perf_stats
.outbound_handler_start_time
;
2920 EXPORT_SYMBOL_GPL(qeth_qdio_output_handler
);
2922 int qeth_get_priority_queue(struct qeth_card
*card
, struct sk_buff
*skb
,
2923 int ipv
, int cast_type
)
2925 if (!ipv
&& (card
->info
.type
== QETH_CARD_TYPE_OSAE
))
2926 return card
->qdio
.default_out_queue
;
2927 switch (card
->qdio
.no_out_queues
) {
2929 if (cast_type
&& card
->info
.is_multicast_different
)
2930 return card
->info
.is_multicast_different
&
2931 (card
->qdio
.no_out_queues
- 1);
2932 if (card
->qdio
.do_prio_queueing
&& (ipv
== 4)) {
2933 const u8 tos
= ip_hdr(skb
)->tos
;
2935 if (card
->qdio
.do_prio_queueing
==
2936 QETH_PRIO_Q_ING_TOS
) {
2937 if (tos
& IP_TOS_NOTIMPORTANT
)
2939 if (tos
& IP_TOS_HIGHRELIABILITY
)
2941 if (tos
& IP_TOS_HIGHTHROUGHPUT
)
2943 if (tos
& IP_TOS_LOWDELAY
)
2946 if (card
->qdio
.do_prio_queueing
==
2947 QETH_PRIO_Q_ING_PREC
)
2948 return 3 - (tos
>> 6);
2949 } else if (card
->qdio
.do_prio_queueing
&& (ipv
== 6)) {
2952 return card
->qdio
.default_out_queue
;
2953 case 1: /* fallthrough for single-out-queue 1920-device */
2955 return card
->qdio
.default_out_queue
;
2958 EXPORT_SYMBOL_GPL(qeth_get_priority_queue
);
2960 int qeth_get_elements_no(struct qeth_card
*card
, void *hdr
,
2961 struct sk_buff
*skb
, int elems
)
2963 int elements_needed
= 0;
2965 if (skb_shinfo(skb
)->nr_frags
> 0)
2966 elements_needed
= (skb_shinfo(skb
)->nr_frags
+ 1);
2967 if (elements_needed
== 0)
2968 elements_needed
= 1 + (((((unsigned long) skb
->data
) %
2969 PAGE_SIZE
) + skb
->len
) >> PAGE_SHIFT
);
2970 if ((elements_needed
+ elems
) > QETH_MAX_BUFFER_ELEMENTS(card
)) {
2971 QETH_DBF_MESSAGE(2, "Invalid size of IP packet "
2972 "(Number=%d / Length=%d). Discarded.\n",
2973 (elements_needed
+elems
), skb
->len
);
2976 return elements_needed
;
2978 EXPORT_SYMBOL_GPL(qeth_get_elements_no
);
2980 static inline void __qeth_fill_buffer(struct sk_buff
*skb
,
2981 struct qdio_buffer
*buffer
, int is_tso
, int *next_element_to_fill
,
2984 int length
= skb
->len
;
2990 element
= *next_element_to_fill
;
2992 first_lap
= (is_tso
== 0 ? 1 : 0);
2995 data
= skb
->data
+ offset
;
3000 while (length
> 0) {
3001 /* length_here is the remaining amount of data in this page */
3002 length_here
= PAGE_SIZE
- ((unsigned long) data
% PAGE_SIZE
);
3003 if (length
< length_here
)
3004 length_here
= length
;
3006 buffer
->element
[element
].addr
= data
;
3007 buffer
->element
[element
].length
= length_here
;
3008 length
-= length_here
;
3011 buffer
->element
[element
].flags
= 0;
3013 buffer
->element
[element
].flags
=
3014 SBAL_FLAGS_LAST_FRAG
;
3017 buffer
->element
[element
].flags
=
3018 SBAL_FLAGS_FIRST_FRAG
;
3020 buffer
->element
[element
].flags
=
3021 SBAL_FLAGS_MIDDLE_FRAG
;
3023 data
+= length_here
;
3027 *next_element_to_fill
= element
;
3030 static inline int qeth_fill_buffer(struct qeth_qdio_out_q
*queue
,
3031 struct qeth_qdio_out_buffer
*buf
, struct sk_buff
*skb
,
3032 struct qeth_hdr
*hdr
, int offset
, int hd_len
)
3034 struct qdio_buffer
*buffer
;
3035 int flush_cnt
= 0, hdr_len
, large_send
= 0;
3037 buffer
= buf
->buffer
;
3038 atomic_inc(&skb
->users
);
3039 skb_queue_tail(&buf
->skb_list
, skb
);
3041 /*check first on TSO ....*/
3042 if (hdr
->hdr
.l3
.id
== QETH_HEADER_TYPE_TSO
) {
3043 int element
= buf
->next_element_to_fill
;
3045 hdr_len
= sizeof(struct qeth_hdr_tso
) +
3046 ((struct qeth_hdr_tso
*)hdr
)->ext
.dg_hdr_len
;
3047 /*fill first buffer entry only with header information */
3048 buffer
->element
[element
].addr
= skb
->data
;
3049 buffer
->element
[element
].length
= hdr_len
;
3050 buffer
->element
[element
].flags
= SBAL_FLAGS_FIRST_FRAG
;
3051 buf
->next_element_to_fill
++;
3052 skb
->data
+= hdr_len
;
3053 skb
->len
-= hdr_len
;
3058 int element
= buf
->next_element_to_fill
;
3059 buffer
->element
[element
].addr
= hdr
;
3060 buffer
->element
[element
].length
= sizeof(struct qeth_hdr
) +
3062 buffer
->element
[element
].flags
= SBAL_FLAGS_FIRST_FRAG
;
3063 buf
->is_header
[element
] = 1;
3064 buf
->next_element_to_fill
++;
3067 if (skb_shinfo(skb
)->nr_frags
== 0)
3068 __qeth_fill_buffer(skb
, buffer
, large_send
,
3069 (int *)&buf
->next_element_to_fill
, offset
);
3071 __qeth_fill_buffer_frag(skb
, buffer
, large_send
,
3072 (int *)&buf
->next_element_to_fill
);
3074 if (!queue
->do_pack
) {
3075 QETH_DBF_TEXT(TRACE
, 6, "fillbfnp");
3076 /* set state to PRIMED -> will be flushed */
3077 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
3080 QETH_DBF_TEXT(TRACE
, 6, "fillbfpa");
3081 if (queue
->card
->options
.performance_stats
)
3082 queue
->card
->perf_stats
.skbs_sent_pack
++;
3083 if (buf
->next_element_to_fill
>=
3084 QETH_MAX_BUFFER_ELEMENTS(queue
->card
)) {
3086 * packed buffer if full -> set state PRIMED
3087 * -> will be flushed
3089 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
3096 int qeth_do_send_packet_fast(struct qeth_card
*card
,
3097 struct qeth_qdio_out_q
*queue
, struct sk_buff
*skb
,
3098 struct qeth_hdr
*hdr
, int elements_needed
,
3099 int offset
, int hd_len
)
3101 struct qeth_qdio_out_buffer
*buffer
;
3102 struct sk_buff
*skb1
;
3103 struct qeth_skb_data
*retry_ctrl
;
3107 /* spin until we get the queue ... */
3108 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
3109 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
3110 /* ... now we've got the queue */
3111 index
= queue
->next_buf_to_fill
;
3112 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
3114 * check if buffer is empty to make sure that we do not 'overtake'
3115 * ourselves and try to fill a buffer that is already primed
3117 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
)
3119 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ 1) %
3120 QDIO_MAX_BUFFERS_PER_Q
;
3121 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3122 qeth_fill_buffer(queue
, buffer
, skb
, hdr
, offset
, hd_len
);
3123 qeth_flush_buffers(queue
, index
, 1);
3124 if (queue
->sync_iqdio_error
== 2) {
3125 skb1
= skb_dequeue(&buffer
->skb_list
);
3127 atomic_dec(&skb1
->users
);
3128 skb1
= skb_dequeue(&buffer
->skb_list
);
3130 retry_ctrl
= (struct qeth_skb_data
*) &skb
->cb
[16];
3131 if (retry_ctrl
->magic
!= QETH_SKB_MAGIC
) {
3132 retry_ctrl
->magic
= QETH_SKB_MAGIC
;
3133 retry_ctrl
->count
= 0;
3135 if (retry_ctrl
->count
< QETH_SIGA_CC2_RETRIES
) {
3136 retry_ctrl
->count
++;
3137 rc
= dev_queue_xmit(skb
);
3139 dev_kfree_skb_any(skb
);
3140 QETH_DBF_TEXT(QERR
, 2, "qrdrop");
3145 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3148 EXPORT_SYMBOL_GPL(qeth_do_send_packet_fast
);
3150 int qeth_do_send_packet(struct qeth_card
*card
, struct qeth_qdio_out_q
*queue
,
3151 struct sk_buff
*skb
, struct qeth_hdr
*hdr
,
3152 int elements_needed
)
3154 struct qeth_qdio_out_buffer
*buffer
;
3156 int flush_count
= 0;
3161 /* spin until we get the queue ... */
3162 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
3163 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
3164 start_index
= queue
->next_buf_to_fill
;
3165 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
3167 * check if buffer is empty to make sure that we do not 'overtake'
3168 * ourselves and try to fill a buffer that is already primed
3170 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
) {
3171 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3174 /* check if we need to switch packing state of this queue */
3175 qeth_switch_to_packing_if_needed(queue
);
3176 if (queue
->do_pack
) {
3178 /* does packet fit in current buffer? */
3179 if ((QETH_MAX_BUFFER_ELEMENTS(card
) -
3180 buffer
->next_element_to_fill
) < elements_needed
) {
3181 /* ... no -> set state PRIMED */
3182 atomic_set(&buffer
->state
, QETH_QDIO_BUF_PRIMED
);
3184 queue
->next_buf_to_fill
=
3185 (queue
->next_buf_to_fill
+ 1) %
3186 QDIO_MAX_BUFFERS_PER_Q
;
3187 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
3188 /* we did a step forward, so check buffer state
3190 if (atomic_read(&buffer
->state
) !=
3191 QETH_QDIO_BUF_EMPTY
) {
3192 qeth_flush_buffers(queue
, start_index
,
3194 atomic_set(&queue
->state
,
3195 QETH_OUT_Q_UNLOCKED
);
3200 tmp
= qeth_fill_buffer(queue
, buffer
, skb
, hdr
, -1, 0);
3201 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ tmp
) %
3202 QDIO_MAX_BUFFERS_PER_Q
;
3205 qeth_flush_buffers(queue
, start_index
, flush_count
);
3206 else if (!atomic_read(&queue
->set_pci_flags_count
))
3207 atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
);
3209 * queue->state will go from LOCKED -> UNLOCKED or from
3210 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
3211 * (switch packing state or flush buffer to get another pci flag out).
3212 * In that case we will enter this loop
3214 while (atomic_dec_return(&queue
->state
)) {
3216 start_index
= queue
->next_buf_to_fill
;
3217 /* check if we can go back to non-packing state */
3218 flush_count
+= qeth_switch_to_nonpacking_if_needed(queue
);
3220 * check if we need to flush a packing buffer to get a pci
3221 * flag out on the queue
3223 if (!flush_count
&& !atomic_read(&queue
->set_pci_flags_count
))
3224 flush_count
+= qeth_flush_buffers_on_no_pci(queue
);
3226 qeth_flush_buffers(queue
, start_index
, flush_count
);
3228 /* at this point the queue is UNLOCKED again */
3229 if (queue
->card
->options
.performance_stats
&& do_pack
)
3230 queue
->card
->perf_stats
.bufs_sent_pack
+= flush_count
;
3234 EXPORT_SYMBOL_GPL(qeth_do_send_packet
);
3236 static int qeth_setadp_promisc_mode_cb(struct qeth_card
*card
,
3237 struct qeth_reply
*reply
, unsigned long data
)
3239 struct qeth_ipa_cmd
*cmd
;
3240 struct qeth_ipacmd_setadpparms
*setparms
;
3242 QETH_DBF_TEXT(TRACE
, 4, "prmadpcb");
3244 cmd
= (struct qeth_ipa_cmd
*) data
;
3245 setparms
= &(cmd
->data
.setadapterparms
);
3247 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
3248 if (cmd
->hdr
.return_code
) {
3249 QETH_DBF_TEXT_(TRACE
, 4, "prmrc%2.2x", cmd
->hdr
.return_code
);
3250 setparms
->data
.mode
= SET_PROMISC_MODE_OFF
;
3252 card
->info
.promisc_mode
= setparms
->data
.mode
;
3256 void qeth_setadp_promisc_mode(struct qeth_card
*card
)
3258 enum qeth_ipa_promisc_modes mode
;
3259 struct net_device
*dev
= card
->dev
;
3260 struct qeth_cmd_buffer
*iob
;
3261 struct qeth_ipa_cmd
*cmd
;
3263 QETH_DBF_TEXT(TRACE
, 4, "setprom");
3265 if (((dev
->flags
& IFF_PROMISC
) &&
3266 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
)) ||
3267 (!(dev
->flags
& IFF_PROMISC
) &&
3268 (card
->info
.promisc_mode
== SET_PROMISC_MODE_OFF
)))
3270 mode
= SET_PROMISC_MODE_OFF
;
3271 if (dev
->flags
& IFF_PROMISC
)
3272 mode
= SET_PROMISC_MODE_ON
;
3273 QETH_DBF_TEXT_(TRACE
, 4, "mode:%x", mode
);
3275 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_PROMISC_MODE
,
3276 sizeof(struct qeth_ipacmd_setadpparms
));
3277 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+ IPA_PDU_HEADER_SIZE
);
3278 cmd
->data
.setadapterparms
.data
.mode
= mode
;
3279 qeth_send_ipa_cmd(card
, iob
, qeth_setadp_promisc_mode_cb
, NULL
);
3281 EXPORT_SYMBOL_GPL(qeth_setadp_promisc_mode
);
3283 int qeth_change_mtu(struct net_device
*dev
, int new_mtu
)
3285 struct qeth_card
*card
;
3288 card
= dev
->ml_priv
;
3290 QETH_DBF_TEXT(TRACE
, 4, "chgmtu");
3291 sprintf(dbf_text
, "%8x", new_mtu
);
3292 QETH_DBF_TEXT(TRACE
, 4, dbf_text
);
3296 if (new_mtu
> 65535)
3298 if ((!qeth_is_supported(card
, IPA_IP_FRAGMENTATION
)) &&
3299 (!qeth_mtu_is_valid(card
, new_mtu
)))
3304 EXPORT_SYMBOL_GPL(qeth_change_mtu
);
3306 struct net_device_stats
*qeth_get_stats(struct net_device
*dev
)
3308 struct qeth_card
*card
;
3310 card
= dev
->ml_priv
;
3312 QETH_DBF_TEXT(TRACE
, 5, "getstat");
3314 return &card
->stats
;
3316 EXPORT_SYMBOL_GPL(qeth_get_stats
);
3318 static int qeth_setadpparms_change_macaddr_cb(struct qeth_card
*card
,
3319 struct qeth_reply
*reply
, unsigned long data
)
3321 struct qeth_ipa_cmd
*cmd
;
3323 QETH_DBF_TEXT(TRACE
, 4, "chgmaccb");
3325 cmd
= (struct qeth_ipa_cmd
*) data
;
3326 if (!card
->options
.layer2
||
3327 !(card
->info
.mac_bits
& QETH_LAYER2_MAC_READ
)) {
3328 memcpy(card
->dev
->dev_addr
,
3329 &cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
3331 card
->info
.mac_bits
|= QETH_LAYER2_MAC_READ
;
3333 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
3337 int qeth_setadpparms_change_macaddr(struct qeth_card
*card
)
3340 struct qeth_cmd_buffer
*iob
;
3341 struct qeth_ipa_cmd
*cmd
;
3343 QETH_DBF_TEXT(TRACE
, 4, "chgmac");
3345 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_ALTER_MAC_ADDRESS
,
3346 sizeof(struct qeth_ipacmd_setadpparms
));
3347 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3348 cmd
->data
.setadapterparms
.data
.change_addr
.cmd
= CHANGE_ADDR_READ_MAC
;
3349 cmd
->data
.setadapterparms
.data
.change_addr
.addr_size
= OSA_ADDR_LEN
;
3350 memcpy(&cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
3351 card
->dev
->dev_addr
, OSA_ADDR_LEN
);
3352 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_change_macaddr_cb
,
3356 EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr
);
3358 static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card
*card
,
3359 struct qeth_reply
*reply
, unsigned long data
)
3361 struct qeth_ipa_cmd
*cmd
;
3362 struct qeth_set_access_ctrl
*access_ctrl_req
;
3365 QETH_DBF_TEXT(TRACE
, 4, "setaccb");
3367 cmd
= (struct qeth_ipa_cmd
*) data
;
3368 access_ctrl_req
= &cmd
->data
.setadapterparms
.data
.set_access_ctrl
;
3369 QETH_DBF_TEXT_(SETUP
, 2, "setaccb");
3370 QETH_DBF_TEXT_(SETUP
, 2, "%s", card
->gdev
->dev
.kobj
.name
);
3371 QETH_DBF_TEXT_(SETUP
, 2, "rc=%d",
3372 cmd
->data
.setadapterparms
.hdr
.return_code
);
3373 switch (cmd
->data
.setadapterparms
.hdr
.return_code
) {
3374 case SET_ACCESS_CTRL_RC_SUCCESS
:
3375 case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED
:
3376 case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED
:
3378 card
->options
.isolation
= access_ctrl_req
->subcmd_code
;
3379 if (card
->options
.isolation
== ISOLATION_MODE_NONE
) {
3380 dev_info(&card
->gdev
->dev
,
3381 "QDIO data connection isolation is deactivated\n");
3383 dev_info(&card
->gdev
->dev
,
3384 "QDIO data connection isolation is activated\n");
3386 QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n",
3387 card
->gdev
->dev
.kobj
.name
,
3388 access_ctrl_req
->subcmd_code
,
3389 cmd
->data
.setadapterparms
.hdr
.return_code
);
3393 case SET_ACCESS_CTRL_RC_NOT_SUPPORTED
:
3395 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
3396 card
->gdev
->dev
.kobj
.name
,
3397 access_ctrl_req
->subcmd_code
,
3398 cmd
->data
.setadapterparms
.hdr
.return_code
);
3399 dev_err(&card
->gdev
->dev
, "Adapter does not "
3400 "support QDIO data connection isolation\n");
3402 /* ensure isolation mode is "none" */
3403 card
->options
.isolation
= ISOLATION_MODE_NONE
;
3407 case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER
:
3409 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
3410 card
->gdev
->dev
.kobj
.name
,
3411 access_ctrl_req
->subcmd_code
,
3412 cmd
->data
.setadapterparms
.hdr
.return_code
);
3413 dev_err(&card
->gdev
->dev
,
3414 "Adapter is dedicated. "
3415 "QDIO data connection isolation not supported\n");
3417 /* ensure isolation mode is "none" */
3418 card
->options
.isolation
= ISOLATION_MODE_NONE
;
3422 case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF
:
3424 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
3425 card
->gdev
->dev
.kobj
.name
,
3426 access_ctrl_req
->subcmd_code
,
3427 cmd
->data
.setadapterparms
.hdr
.return_code
);
3428 dev_err(&card
->gdev
->dev
,
3429 "TSO does not permit QDIO data connection isolation\n");
3431 /* ensure isolation mode is "none" */
3432 card
->options
.isolation
= ISOLATION_MODE_NONE
;
3438 /* this should never happen */
3439 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d"
3441 card
->gdev
->dev
.kobj
.name
,
3442 access_ctrl_req
->subcmd_code
,
3443 cmd
->data
.setadapterparms
.hdr
.return_code
);
3445 /* ensure isolation mode is "none" */
3446 card
->options
.isolation
= ISOLATION_MODE_NONE
;
3451 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
3455 static int qeth_setadpparms_set_access_ctrl(struct qeth_card
*card
,
3456 enum qeth_ipa_isolation_modes isolation
)
3459 struct qeth_cmd_buffer
*iob
;
3460 struct qeth_ipa_cmd
*cmd
;
3461 struct qeth_set_access_ctrl
*access_ctrl_req
;
3463 QETH_DBF_TEXT(TRACE
, 4, "setacctl");
3465 QETH_DBF_TEXT_(SETUP
, 2, "setacctl");
3466 QETH_DBF_TEXT_(SETUP
, 2, "%s", card
->gdev
->dev
.kobj
.name
);
3468 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_ACCESS_CONTROL
,
3469 sizeof(struct qeth_ipacmd_setadpparms_hdr
) +
3470 sizeof(struct qeth_set_access_ctrl
));
3471 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3472 access_ctrl_req
= &cmd
->data
.setadapterparms
.data
.set_access_ctrl
;
3473 access_ctrl_req
->subcmd_code
= isolation
;
3475 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_set_access_ctrl_cb
,
3477 QETH_DBF_TEXT_(SETUP
, 2, "rc=%d", rc
);
3481 int qeth_set_access_ctrl_online(struct qeth_card
*card
)
3485 QETH_DBF_TEXT(TRACE
, 4, "setactlo");
3487 if (card
->info
.type
== QETH_CARD_TYPE_OSAE
&&
3488 qeth_adp_supported(card
, IPA_SETADP_SET_ACCESS_CONTROL
)) {
3489 rc
= qeth_setadpparms_set_access_ctrl(card
,
3490 card
->options
.isolation
);
3493 "IPA(SET_ACCESS_CTRL,%s,%d) sent failed",
3494 card
->gdev
->dev
.kobj
.name
,
3497 } else if (card
->options
.isolation
!= ISOLATION_MODE_NONE
) {
3498 card
->options
.isolation
= ISOLATION_MODE_NONE
;
3500 dev_err(&card
->gdev
->dev
, "Adapter does not "
3501 "support QDIO data connection isolation\n");
3506 EXPORT_SYMBOL_GPL(qeth_set_access_ctrl_online
);
3508 void qeth_tx_timeout(struct net_device
*dev
)
3510 struct qeth_card
*card
;
3512 card
= dev
->ml_priv
;
3513 card
->stats
.tx_errors
++;
3514 qeth_schedule_recovery(card
);
3516 EXPORT_SYMBOL_GPL(qeth_tx_timeout
);
3518 int qeth_mdio_read(struct net_device
*dev
, int phy_id
, int regnum
)
3520 struct qeth_card
*card
= dev
->ml_priv
;
3524 case MII_BMCR
: /* Basic mode control register */
3526 if ((card
->info
.link_type
!= QETH_LINK_TYPE_GBIT_ETH
) &&
3527 (card
->info
.link_type
!= QETH_LINK_TYPE_OSN
) &&
3528 (card
->info
.link_type
!= QETH_LINK_TYPE_10GBIT_ETH
))
3529 rc
|= BMCR_SPEED100
;
3531 case MII_BMSR
: /* Basic mode status register */
3532 rc
= BMSR_ERCAP
| BMSR_ANEGCOMPLETE
| BMSR_LSTATUS
|
3533 BMSR_10HALF
| BMSR_10FULL
| BMSR_100HALF
| BMSR_100FULL
|
3536 case MII_PHYSID1
: /* PHYS ID 1 */
3537 rc
= (dev
->dev_addr
[0] << 16) | (dev
->dev_addr
[1] << 8) |
3539 rc
= (rc
>> 5) & 0xFFFF;
3541 case MII_PHYSID2
: /* PHYS ID 2 */
3542 rc
= (dev
->dev_addr
[2] << 10) & 0xFFFF;
3544 case MII_ADVERTISE
: /* Advertisement control reg */
3547 case MII_LPA
: /* Link partner ability reg */
3548 rc
= LPA_10HALF
| LPA_10FULL
| LPA_100HALF
| LPA_100FULL
|
3549 LPA_100BASE4
| LPA_LPACK
;
3551 case MII_EXPANSION
: /* Expansion register */
3553 case MII_DCOUNTER
: /* disconnect counter */
3555 case MII_FCSCOUNTER
: /* false carrier counter */
3557 case MII_NWAYTEST
: /* N-way auto-neg test register */
3559 case MII_RERRCOUNTER
: /* rx error counter */
3560 rc
= card
->stats
.rx_errors
;
3562 case MII_SREVISION
: /* silicon revision */
3564 case MII_RESV1
: /* reserved 1 */
3566 case MII_LBRERROR
: /* loopback, rx, bypass error */
3568 case MII_PHYADDR
: /* physical address */
3570 case MII_RESV2
: /* reserved 2 */
3572 case MII_TPISTATUS
: /* TPI status for 10mbps */
3574 case MII_NCONFIG
: /* network interface config */
3581 EXPORT_SYMBOL_GPL(qeth_mdio_read
);
3583 static int qeth_send_ipa_snmp_cmd(struct qeth_card
*card
,
3584 struct qeth_cmd_buffer
*iob
, int len
,
3585 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
3591 QETH_DBF_TEXT(TRACE
, 4, "sendsnmp");
3593 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
3594 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
3595 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
3596 /* adjust PDU length fields in IPA_PDU_HEADER */
3597 s1
= (u32
) IPA_PDU_HEADER_SIZE
+ len
;
3599 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob
->data
), &s1
, 2);
3600 memcpy(QETH_IPA_PDU_LEN_PDU1(iob
->data
), &s2
, 2);
3601 memcpy(QETH_IPA_PDU_LEN_PDU2(iob
->data
), &s2
, 2);
3602 memcpy(QETH_IPA_PDU_LEN_PDU3(iob
->data
), &s2
, 2);
3603 return qeth_send_control_data(card
, IPA_PDU_HEADER_SIZE
+ len
, iob
,
3604 reply_cb
, reply_param
);
3607 static int qeth_snmp_command_cb(struct qeth_card
*card
,
3608 struct qeth_reply
*reply
, unsigned long sdata
)
3610 struct qeth_ipa_cmd
*cmd
;
3611 struct qeth_arp_query_info
*qinfo
;
3612 struct qeth_snmp_cmd
*snmp
;
3613 unsigned char *data
;
3616 QETH_DBF_TEXT(TRACE
, 3, "snpcmdcb");
3618 cmd
= (struct qeth_ipa_cmd
*) sdata
;
3619 data
= (unsigned char *)((char *)cmd
- reply
->offset
);
3620 qinfo
= (struct qeth_arp_query_info
*) reply
->param
;
3621 snmp
= &cmd
->data
.setadapterparms
.data
.snmp
;
3623 if (cmd
->hdr
.return_code
) {
3624 QETH_DBF_TEXT_(TRACE
, 4, "scer1%i", cmd
->hdr
.return_code
);
3627 if (cmd
->data
.setadapterparms
.hdr
.return_code
) {
3628 cmd
->hdr
.return_code
=
3629 cmd
->data
.setadapterparms
.hdr
.return_code
;
3630 QETH_DBF_TEXT_(TRACE
, 4, "scer2%i", cmd
->hdr
.return_code
);
3633 data_len
= *((__u16
*)QETH_IPA_PDU_LEN_PDU1(data
));
3634 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1)
3635 data_len
-= (__u16
)((char *)&snmp
->data
- (char *)cmd
);
3637 data_len
-= (__u16
)((char *)&snmp
->request
- (char *)cmd
);
3639 /* check if there is enough room in userspace */
3640 if ((qinfo
->udata_len
- qinfo
->udata_offset
) < data_len
) {
3641 QETH_DBF_TEXT_(TRACE
, 4, "scer3%i", -ENOMEM
);
3642 cmd
->hdr
.return_code
= -ENOMEM
;
3645 QETH_DBF_TEXT_(TRACE
, 4, "snore%i",
3646 cmd
->data
.setadapterparms
.hdr
.used_total
);
3647 QETH_DBF_TEXT_(TRACE
, 4, "sseqn%i",
3648 cmd
->data
.setadapterparms
.hdr
.seq_no
);
3649 /*copy entries to user buffer*/
3650 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1) {
3651 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
3653 data_len
+ offsetof(struct qeth_snmp_cmd
, data
));
3654 qinfo
->udata_offset
+= offsetof(struct qeth_snmp_cmd
, data
);
3656 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
3657 (char *)&snmp
->request
, data_len
);
3659 qinfo
->udata_offset
+= data_len
;
3660 /* check if all replies received ... */
3661 QETH_DBF_TEXT_(TRACE
, 4, "srtot%i",
3662 cmd
->data
.setadapterparms
.hdr
.used_total
);
3663 QETH_DBF_TEXT_(TRACE
, 4, "srseq%i",
3664 cmd
->data
.setadapterparms
.hdr
.seq_no
);
3665 if (cmd
->data
.setadapterparms
.hdr
.seq_no
<
3666 cmd
->data
.setadapterparms
.hdr
.used_total
)
3671 int qeth_snmp_command(struct qeth_card
*card
, char __user
*udata
)
3673 struct qeth_cmd_buffer
*iob
;
3674 struct qeth_ipa_cmd
*cmd
;
3675 struct qeth_snmp_ureq
*ureq
;
3677 struct qeth_arp_query_info qinfo
= {0, };
3680 QETH_DBF_TEXT(TRACE
, 3, "snmpcmd");
3682 if (card
->info
.guestlan
)
3685 if ((!qeth_adp_supported(card
, IPA_SETADP_SET_SNMP_CONTROL
)) &&
3686 (!card
->options
.layer2
)) {
3689 /* skip 4 bytes (data_len struct member) to get req_len */
3690 if (copy_from_user(&req_len
, udata
+ sizeof(int), sizeof(int)))
3692 ureq
= kmalloc(req_len
+sizeof(struct qeth_snmp_ureq_hdr
), GFP_KERNEL
);
3694 QETH_DBF_TEXT(TRACE
, 2, "snmpnome");
3697 if (copy_from_user(ureq
, udata
,
3698 req_len
+ sizeof(struct qeth_snmp_ureq_hdr
))) {
3702 qinfo
.udata_len
= ureq
->hdr
.data_len
;
3703 qinfo
.udata
= kzalloc(qinfo
.udata_len
, GFP_KERNEL
);
3708 qinfo
.udata_offset
= sizeof(struct qeth_snmp_ureq_hdr
);
3710 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_SNMP_CONTROL
,
3711 QETH_SNMP_SETADP_CMDLENGTH
+ req_len
);
3712 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3713 memcpy(&cmd
->data
.setadapterparms
.data
.snmp
, &ureq
->cmd
, req_len
);
3714 rc
= qeth_send_ipa_snmp_cmd(card
, iob
, QETH_SETADP_BASE_LEN
+ req_len
,
3715 qeth_snmp_command_cb
, (void *)&qinfo
);
3717 QETH_DBF_MESSAGE(2, "SNMP command failed on %s: (0x%x)\n",
3718 QETH_CARD_IFNAME(card
), rc
);
3720 if (copy_to_user(udata
, qinfo
.udata
, qinfo
.udata_len
))
3728 EXPORT_SYMBOL_GPL(qeth_snmp_command
);
3730 static inline int qeth_get_qdio_q_format(struct qeth_card
*card
)
3732 switch (card
->info
.type
) {
3733 case QETH_CARD_TYPE_IQD
:
3740 static int qeth_qdio_establish(struct qeth_card
*card
)
3742 struct qdio_initialize init_data
;
3743 char *qib_param_field
;
3744 struct qdio_buffer
**in_sbal_ptrs
;
3745 struct qdio_buffer
**out_sbal_ptrs
;
3749 QETH_DBF_TEXT(SETUP
, 2, "qdioest");
3751 qib_param_field
= kzalloc(QDIO_MAX_BUFFERS_PER_Q
* sizeof(char),
3753 if (!qib_param_field
)
3756 qeth_create_qib_param_field(card
, qib_param_field
);
3757 qeth_create_qib_param_field_blkt(card
, qib_param_field
);
3759 in_sbal_ptrs
= kmalloc(QDIO_MAX_BUFFERS_PER_Q
* sizeof(void *),
3761 if (!in_sbal_ptrs
) {
3762 kfree(qib_param_field
);
3765 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
)
3766 in_sbal_ptrs
[i
] = (struct qdio_buffer
*)
3767 virt_to_phys(card
->qdio
.in_q
->bufs
[i
].buffer
);
3770 kmalloc(card
->qdio
.no_out_queues
* QDIO_MAX_BUFFERS_PER_Q
*
3771 sizeof(void *), GFP_KERNEL
);
3772 if (!out_sbal_ptrs
) {
3773 kfree(in_sbal_ptrs
);
3774 kfree(qib_param_field
);
3777 for (i
= 0, k
= 0; i
< card
->qdio
.no_out_queues
; ++i
)
3778 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
, ++k
) {
3779 out_sbal_ptrs
[k
] = (struct qdio_buffer
*)virt_to_phys(
3780 card
->qdio
.out_qs
[i
]->bufs
[j
].buffer
);
3783 memset(&init_data
, 0, sizeof(struct qdio_initialize
));
3784 init_data
.cdev
= CARD_DDEV(card
);
3785 init_data
.q_format
= qeth_get_qdio_q_format(card
);
3786 init_data
.qib_param_field_format
= 0;
3787 init_data
.qib_param_field
= qib_param_field
;
3788 init_data
.no_input_qs
= 1;
3789 init_data
.no_output_qs
= card
->qdio
.no_out_queues
;
3790 init_data
.input_handler
= card
->discipline
.input_handler
;
3791 init_data
.output_handler
= card
->discipline
.output_handler
;
3792 init_data
.int_parm
= (unsigned long) card
;
3793 init_data
.flags
= QDIO_INBOUND_0COPY_SBALS
|
3794 QDIO_OUTBOUND_0COPY_SBALS
|
3795 QDIO_USE_OUTBOUND_PCIS
;
3796 init_data
.input_sbal_addr_array
= (void **) in_sbal_ptrs
;
3797 init_data
.output_sbal_addr_array
= (void **) out_sbal_ptrs
;
3799 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
,
3800 QETH_QDIO_ESTABLISHED
) == QETH_QDIO_ALLOCATED
) {
3801 rc
= qdio_initialize(&init_data
);
3803 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
3805 kfree(out_sbal_ptrs
);
3806 kfree(in_sbal_ptrs
);
3807 kfree(qib_param_field
);
3811 static void qeth_core_free_card(struct qeth_card
*card
)
3814 QETH_DBF_TEXT(SETUP
, 2, "freecrd");
3815 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
3816 qeth_clean_channel(&card
->read
);
3817 qeth_clean_channel(&card
->write
);
3819 free_netdev(card
->dev
);
3820 kfree(card
->ip_tbd_list
);
3821 qeth_free_qdio_buffers(card
);
3822 unregister_service_level(&card
->qeth_service_level
);
3826 static struct ccw_device_id qeth_ids
[] = {
3827 {CCW_DEVICE(0x1731, 0x01), .driver_info
= QETH_CARD_TYPE_OSAE
},
3828 {CCW_DEVICE(0x1731, 0x05), .driver_info
= QETH_CARD_TYPE_IQD
},
3829 {CCW_DEVICE(0x1731, 0x06), .driver_info
= QETH_CARD_TYPE_OSN
},
3832 MODULE_DEVICE_TABLE(ccw
, qeth_ids
);
3834 static struct ccw_driver qeth_ccw_driver
= {
3837 .probe
= ccwgroup_probe_ccwdev
,
3838 .remove
= ccwgroup_remove_ccwdev
,
3841 static int qeth_core_driver_group(const char *buf
, struct device
*root_dev
,
3842 unsigned long driver_id
)
3844 return ccwgroup_create_from_string(root_dev
, driver_id
,
3845 &qeth_ccw_driver
, 3, buf
);
3848 int qeth_core_hardsetup_card(struct qeth_card
*card
)
3850 struct qdio_ssqd_desc
*ssqd
;
3855 QETH_DBF_TEXT(SETUP
, 2, "hrdsetup");
3856 atomic_set(&card
->force_alloc_skb
, 0);
3859 QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
3860 dev_name(&card
->gdev
->dev
));
3861 ccw_device_set_offline(CARD_DDEV(card
));
3862 ccw_device_set_offline(CARD_WDEV(card
));
3863 ccw_device_set_offline(CARD_RDEV(card
));
3864 rc
= ccw_device_set_online(CARD_RDEV(card
));
3867 rc
= ccw_device_set_online(CARD_WDEV(card
));
3870 rc
= ccw_device_set_online(CARD_DDEV(card
));
3873 rc
= qeth_qdio_clear_card(card
, card
->info
.type
!= QETH_CARD_TYPE_IQD
);
3875 if (rc
== -ERESTARTSYS
) {
3876 QETH_DBF_TEXT(SETUP
, 2, "break1");
3879 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
3886 rc
= qeth_get_unitaddr(card
);
3888 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
3892 ssqd
= kmalloc(sizeof(struct qdio_ssqd_desc
), GFP_KERNEL
);
3897 rc
= qdio_get_ssqd_desc(CARD_DDEV(card
), ssqd
);
3903 mpno
= min(mpno
- 1, QETH_MAX_PORTNO
);
3904 if (card
->info
.portno
> mpno
) {
3905 QETH_DBF_MESSAGE(2, "Device %s does not offer port number %d"
3906 "\n.", CARD_BUS_ID(card
), card
->info
.portno
);
3910 qeth_init_tokens(card
);
3911 qeth_init_func_level(card
);
3912 rc
= qeth_idx_activate_channel(&card
->read
, qeth_idx_read_cb
);
3913 if (rc
== -ERESTARTSYS
) {
3914 QETH_DBF_TEXT(SETUP
, 2, "break2");
3917 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
3923 rc
= qeth_idx_activate_channel(&card
->write
, qeth_idx_write_cb
);
3924 if (rc
== -ERESTARTSYS
) {
3925 QETH_DBF_TEXT(SETUP
, 2, "break3");
3928 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
3934 rc
= qeth_mpc_initialize(card
);
3936 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
3941 dev_warn(&card
->gdev
->dev
, "The qeth device driver failed to recover "
3942 "an error on the device\n");
3943 QETH_DBF_MESSAGE(2, "%s Initialization in hardsetup failed! rc=%d\n",
3944 dev_name(&card
->gdev
->dev
), rc
);
3947 EXPORT_SYMBOL_GPL(qeth_core_hardsetup_card
);
3949 static inline int qeth_create_skb_frag(struct qdio_buffer_element
*element
,
3950 struct sk_buff
**pskb
, int offset
, int *pfrag
, int data_len
)
3952 struct page
*page
= virt_to_page(element
->addr
);
3953 if (*pskb
== NULL
) {
3954 /* the upper protocol layers assume that there is data in the
3955 * skb itself. Copy a small amount (64 bytes) to make them
3957 *pskb
= dev_alloc_skb(64 + ETH_HLEN
);
3960 skb_reserve(*pskb
, ETH_HLEN
);
3961 if (data_len
<= 64) {
3962 memcpy(skb_put(*pskb
, data_len
), element
->addr
+ offset
,
3966 memcpy(skb_put(*pskb
, 64), element
->addr
+ offset
, 64);
3967 skb_fill_page_desc(*pskb
, *pfrag
, page
, offset
+ 64,
3969 (*pskb
)->data_len
+= data_len
- 64;
3970 (*pskb
)->len
+= data_len
- 64;
3971 (*pskb
)->truesize
+= data_len
- 64;
3976 skb_fill_page_desc(*pskb
, *pfrag
, page
, offset
, data_len
);
3977 (*pskb
)->data_len
+= data_len
;
3978 (*pskb
)->len
+= data_len
;
3979 (*pskb
)->truesize
+= data_len
;
3985 struct sk_buff
*qeth_core_get_next_skb(struct qeth_card
*card
,
3986 struct qdio_buffer
*buffer
,
3987 struct qdio_buffer_element
**__element
, int *__offset
,
3988 struct qeth_hdr
**hdr
)
3990 struct qdio_buffer_element
*element
= *__element
;
3991 int offset
= *__offset
;
3992 struct sk_buff
*skb
= NULL
;
4000 /* qeth_hdr must not cross element boundaries */
4001 if (element
->length
< offset
+ sizeof(struct qeth_hdr
)) {
4002 if (qeth_is_last_sbale(element
))
4006 if (element
->length
< sizeof(struct qeth_hdr
))
4009 *hdr
= element
->addr
+ offset
;
4011 offset
+= sizeof(struct qeth_hdr
);
4012 if (card
->options
.layer2
) {
4013 if (card
->info
.type
== QETH_CARD_TYPE_OSN
) {
4014 skb_len
= (*hdr
)->hdr
.osn
.pdu_length
;
4015 headroom
= sizeof(struct qeth_hdr
);
4017 skb_len
= (*hdr
)->hdr
.l2
.pkt_length
;
4020 skb_len
= (*hdr
)->hdr
.l3
.length
;
4021 if ((card
->info
.link_type
== QETH_LINK_TYPE_LANE_TR
) ||
4022 (card
->info
.link_type
== QETH_LINK_TYPE_HSTR
))
4025 headroom
= ETH_HLEN
;
4031 if ((skb_len
>= card
->options
.rx_sg_cb
) &&
4032 (!(card
->info
.type
== QETH_CARD_TYPE_OSN
)) &&
4033 (!atomic_read(&card
->force_alloc_skb
))) {
4036 skb
= dev_alloc_skb(skb_len
+ headroom
);
4040 skb_reserve(skb
, headroom
);
4043 data_ptr
= element
->addr
+ offset
;
4045 data_len
= min(skb_len
, (int)(element
->length
- offset
));
4048 if (qeth_create_skb_frag(element
, &skb
, offset
,
4052 memcpy(skb_put(skb
, data_len
), data_ptr
,
4056 skb_len
-= data_len
;
4058 if (qeth_is_last_sbale(element
)) {
4059 QETH_DBF_TEXT(TRACE
, 4, "unexeob");
4060 QETH_DBF_TEXT_(TRACE
, 4, "%s",
4062 QETH_DBF_TEXT(QERR
, 2, "unexeob");
4063 QETH_DBF_TEXT_(QERR
, 2, "%s",
4065 QETH_DBF_HEX(MISC
, 4, buffer
, sizeof(*buffer
));
4066 dev_kfree_skb_any(skb
);
4067 card
->stats
.rx_errors
++;
4072 data_ptr
= element
->addr
;
4077 *__element
= element
;
4079 if (use_rx_sg
&& card
->options
.performance_stats
) {
4080 card
->perf_stats
.sg_skbs_rx
++;
4081 card
->perf_stats
.sg_frags_rx
+= skb_shinfo(skb
)->nr_frags
;
4085 if (net_ratelimit()) {
4086 QETH_DBF_TEXT(TRACE
, 2, "noskbmem");
4087 QETH_DBF_TEXT_(TRACE
, 2, "%s", CARD_BUS_ID(card
));
4089 card
->stats
.rx_dropped
++;
4092 EXPORT_SYMBOL_GPL(qeth_core_get_next_skb
);
4094 static void qeth_unregister_dbf_views(void)
4097 for (x
= 0; x
< QETH_DBF_INFOS
; x
++) {
4098 debug_unregister(qeth_dbf
[x
].id
);
4099 qeth_dbf
[x
].id
= NULL
;
4103 void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix
, int level
, char *fmt
, ...)
4105 char dbf_txt_buf
[32];
4108 if (level
> (qeth_dbf
[dbf_nix
].id
)->level
)
4110 va_start(args
, fmt
);
4111 vsnprintf(dbf_txt_buf
, sizeof(dbf_txt_buf
), fmt
, args
);
4113 debug_text_event(qeth_dbf
[dbf_nix
].id
, level
, dbf_txt_buf
);
4115 EXPORT_SYMBOL_GPL(qeth_dbf_longtext
);
4117 static int qeth_register_dbf_views(void)
4122 for (x
= 0; x
< QETH_DBF_INFOS
; x
++) {
4123 /* register the areas */
4124 qeth_dbf
[x
].id
= debug_register(qeth_dbf
[x
].name
,
4128 if (qeth_dbf
[x
].id
== NULL
) {
4129 qeth_unregister_dbf_views();
4133 /* register a view */
4134 ret
= debug_register_view(qeth_dbf
[x
].id
, qeth_dbf
[x
].view
);
4136 qeth_unregister_dbf_views();
4140 /* set a passing level */
4141 debug_set_level(qeth_dbf
[x
].id
, qeth_dbf
[x
].level
);
4147 int qeth_core_load_discipline(struct qeth_card
*card
,
4148 enum qeth_discipline_id discipline
)
4151 switch (discipline
) {
4152 case QETH_DISCIPLINE_LAYER3
:
4153 card
->discipline
.ccwgdriver
= try_then_request_module(
4154 symbol_get(qeth_l3_ccwgroup_driver
),
4157 case QETH_DISCIPLINE_LAYER2
:
4158 card
->discipline
.ccwgdriver
= try_then_request_module(
4159 symbol_get(qeth_l2_ccwgroup_driver
),
4163 if (!card
->discipline
.ccwgdriver
) {
4164 dev_err(&card
->gdev
->dev
, "There is no kernel module to "
4165 "support discipline %d\n", discipline
);
4171 void qeth_core_free_discipline(struct qeth_card
*card
)
4173 if (card
->options
.layer2
)
4174 symbol_put(qeth_l2_ccwgroup_driver
);
4176 symbol_put(qeth_l3_ccwgroup_driver
);
4177 card
->discipline
.ccwgdriver
= NULL
;
4180 static int qeth_core_probe_device(struct ccwgroup_device
*gdev
)
4182 struct qeth_card
*card
;
4185 unsigned long flags
;
4187 QETH_DBF_TEXT(SETUP
, 2, "probedev");
4190 if (!get_device(dev
))
4193 QETH_DBF_TEXT_(SETUP
, 2, "%s", dev_name(&gdev
->dev
));
4195 card
= qeth_alloc_card();
4197 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", -ENOMEM
);
4201 card
->read
.ccwdev
= gdev
->cdev
[0];
4202 card
->write
.ccwdev
= gdev
->cdev
[1];
4203 card
->data
.ccwdev
= gdev
->cdev
[2];
4204 dev_set_drvdata(&gdev
->dev
, card
);
4206 gdev
->cdev
[0]->handler
= qeth_irq
;
4207 gdev
->cdev
[1]->handler
= qeth_irq
;
4208 gdev
->cdev
[2]->handler
= qeth_irq
;
4210 rc
= qeth_determine_card_type(card
);
4212 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
4215 rc
= qeth_setup_card(card
);
4217 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
4221 if (card
->info
.type
== QETH_CARD_TYPE_OSN
) {
4222 rc
= qeth_core_create_osn_attributes(dev
);
4225 rc
= qeth_core_load_discipline(card
, QETH_DISCIPLINE_LAYER2
);
4227 qeth_core_remove_osn_attributes(dev
);
4230 rc
= card
->discipline
.ccwgdriver
->probe(card
->gdev
);
4232 qeth_core_free_discipline(card
);
4233 qeth_core_remove_osn_attributes(dev
);
4237 rc
= qeth_core_create_device_attributes(dev
);
4242 write_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
4243 list_add_tail(&card
->list
, &qeth_core_card_list
.list
);
4244 write_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
4248 qeth_core_free_card(card
);
4254 static void qeth_core_remove_device(struct ccwgroup_device
*gdev
)
4256 unsigned long flags
;
4257 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4259 QETH_DBF_TEXT(SETUP
, 2, "removedv");
4260 if (card
->discipline
.ccwgdriver
) {
4261 card
->discipline
.ccwgdriver
->remove(gdev
);
4262 qeth_core_free_discipline(card
);
4265 if (card
->info
.type
== QETH_CARD_TYPE_OSN
) {
4266 qeth_core_remove_osn_attributes(&gdev
->dev
);
4268 qeth_core_remove_device_attributes(&gdev
->dev
);
4270 write_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
4271 list_del(&card
->list
);
4272 write_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
4273 qeth_core_free_card(card
);
4274 dev_set_drvdata(&gdev
->dev
, NULL
);
4275 put_device(&gdev
->dev
);
4279 static int qeth_core_set_online(struct ccwgroup_device
*gdev
)
4281 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4285 if (!card
->discipline
.ccwgdriver
) {
4286 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
4287 def_discipline
= QETH_DISCIPLINE_LAYER3
;
4289 def_discipline
= QETH_DISCIPLINE_LAYER2
;
4290 rc
= qeth_core_load_discipline(card
, def_discipline
);
4293 rc
= card
->discipline
.ccwgdriver
->probe(card
->gdev
);
4297 rc
= card
->discipline
.ccwgdriver
->set_online(gdev
);
4302 static int qeth_core_set_offline(struct ccwgroup_device
*gdev
)
4304 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4305 return card
->discipline
.ccwgdriver
->set_offline(gdev
);
4308 static void qeth_core_shutdown(struct ccwgroup_device
*gdev
)
4310 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4311 if (card
->discipline
.ccwgdriver
&&
4312 card
->discipline
.ccwgdriver
->shutdown
)
4313 card
->discipline
.ccwgdriver
->shutdown(gdev
);
4316 static int qeth_core_prepare(struct ccwgroup_device
*gdev
)
4318 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4319 if (card
->discipline
.ccwgdriver
&&
4320 card
->discipline
.ccwgdriver
->prepare
)
4321 return card
->discipline
.ccwgdriver
->prepare(gdev
);
4325 static void qeth_core_complete(struct ccwgroup_device
*gdev
)
4327 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4328 if (card
->discipline
.ccwgdriver
&&
4329 card
->discipline
.ccwgdriver
->complete
)
4330 card
->discipline
.ccwgdriver
->complete(gdev
);
4333 static int qeth_core_freeze(struct ccwgroup_device
*gdev
)
4335 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4336 if (card
->discipline
.ccwgdriver
&&
4337 card
->discipline
.ccwgdriver
->freeze
)
4338 return card
->discipline
.ccwgdriver
->freeze(gdev
);
4342 static int qeth_core_thaw(struct ccwgroup_device
*gdev
)
4344 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4345 if (card
->discipline
.ccwgdriver
&&
4346 card
->discipline
.ccwgdriver
->thaw
)
4347 return card
->discipline
.ccwgdriver
->thaw(gdev
);
4351 static int qeth_core_restore(struct ccwgroup_device
*gdev
)
4353 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4354 if (card
->discipline
.ccwgdriver
&&
4355 card
->discipline
.ccwgdriver
->restore
)
4356 return card
->discipline
.ccwgdriver
->restore(gdev
);
4360 static struct ccwgroup_driver qeth_core_ccwgroup_driver
= {
4361 .owner
= THIS_MODULE
,
4363 .driver_id
= 0xD8C5E3C8,
4364 .probe
= qeth_core_probe_device
,
4365 .remove
= qeth_core_remove_device
,
4366 .set_online
= qeth_core_set_online
,
4367 .set_offline
= qeth_core_set_offline
,
4368 .shutdown
= qeth_core_shutdown
,
4369 .prepare
= qeth_core_prepare
,
4370 .complete
= qeth_core_complete
,
4371 .freeze
= qeth_core_freeze
,
4372 .thaw
= qeth_core_thaw
,
4373 .restore
= qeth_core_restore
,
4377 qeth_core_driver_group_store(struct device_driver
*ddrv
, const char *buf
,
4381 err
= qeth_core_driver_group(buf
, qeth_core_root_dev
,
4382 qeth_core_ccwgroup_driver
.driver_id
);
4389 static DRIVER_ATTR(group
, 0200, NULL
, qeth_core_driver_group_store
);
4392 const char str
[ETH_GSTRING_LEN
];
4393 } qeth_ethtool_stats_keys
[] = {
4398 {"tx skbs no packing"},
4399 {"tx buffers no packing"},
4400 {"tx skbs packing"},
4401 {"tx buffers packing"},
4404 /* 10 */{"rx sg skbs"},
4406 {"rx sg page allocs"},
4407 {"tx large kbytes"},
4409 {"tx pk state ch n->p"},
4410 {"tx pk state ch p->n"},
4411 {"tx pk watermark low"},
4412 {"tx pk watermark high"},
4413 {"queue 0 buffer usage"},
4414 /* 20 */{"queue 1 buffer usage"},
4415 {"queue 2 buffer usage"},
4416 {"queue 3 buffer usage"},
4417 {"rx handler time"},
4418 {"rx handler count"},
4419 {"rx do_QDIO time"},
4420 {"rx do_QDIO count"},
4421 {"tx handler time"},
4422 {"tx handler count"},
4424 /* 30 */{"tx count"},
4425 {"tx do_QDIO time"},
4426 {"tx do_QDIO count"},
4431 int qeth_core_get_sset_count(struct net_device
*dev
, int stringset
)
4433 switch (stringset
) {
4435 return (sizeof(qeth_ethtool_stats_keys
) / ETH_GSTRING_LEN
);
4440 EXPORT_SYMBOL_GPL(qeth_core_get_sset_count
);
4442 void qeth_core_get_ethtool_stats(struct net_device
*dev
,
4443 struct ethtool_stats
*stats
, u64
*data
)
4445 struct qeth_card
*card
= dev
->ml_priv
;
4446 data
[0] = card
->stats
.rx_packets
-
4447 card
->perf_stats
.initial_rx_packets
;
4448 data
[1] = card
->perf_stats
.bufs_rec
;
4449 data
[2] = card
->stats
.tx_packets
-
4450 card
->perf_stats
.initial_tx_packets
;
4451 data
[3] = card
->perf_stats
.bufs_sent
;
4452 data
[4] = card
->stats
.tx_packets
- card
->perf_stats
.initial_tx_packets
4453 - card
->perf_stats
.skbs_sent_pack
;
4454 data
[5] = card
->perf_stats
.bufs_sent
- card
->perf_stats
.bufs_sent_pack
;
4455 data
[6] = card
->perf_stats
.skbs_sent_pack
;
4456 data
[7] = card
->perf_stats
.bufs_sent_pack
;
4457 data
[8] = card
->perf_stats
.sg_skbs_sent
;
4458 data
[9] = card
->perf_stats
.sg_frags_sent
;
4459 data
[10] = card
->perf_stats
.sg_skbs_rx
;
4460 data
[11] = card
->perf_stats
.sg_frags_rx
;
4461 data
[12] = card
->perf_stats
.sg_alloc_page_rx
;
4462 data
[13] = (card
->perf_stats
.large_send_bytes
>> 10);
4463 data
[14] = card
->perf_stats
.large_send_cnt
;
4464 data
[15] = card
->perf_stats
.sc_dp_p
;
4465 data
[16] = card
->perf_stats
.sc_p_dp
;
4466 data
[17] = QETH_LOW_WATERMARK_PACK
;
4467 data
[18] = QETH_HIGH_WATERMARK_PACK
;
4468 data
[19] = atomic_read(&card
->qdio
.out_qs
[0]->used_buffers
);
4469 data
[20] = (card
->qdio
.no_out_queues
> 1) ?
4470 atomic_read(&card
->qdio
.out_qs
[1]->used_buffers
) : 0;
4471 data
[21] = (card
->qdio
.no_out_queues
> 2) ?
4472 atomic_read(&card
->qdio
.out_qs
[2]->used_buffers
) : 0;
4473 data
[22] = (card
->qdio
.no_out_queues
> 3) ?
4474 atomic_read(&card
->qdio
.out_qs
[3]->used_buffers
) : 0;
4475 data
[23] = card
->perf_stats
.inbound_time
;
4476 data
[24] = card
->perf_stats
.inbound_cnt
;
4477 data
[25] = card
->perf_stats
.inbound_do_qdio_time
;
4478 data
[26] = card
->perf_stats
.inbound_do_qdio_cnt
;
4479 data
[27] = card
->perf_stats
.outbound_handler_time
;
4480 data
[28] = card
->perf_stats
.outbound_handler_cnt
;
4481 data
[29] = card
->perf_stats
.outbound_time
;
4482 data
[30] = card
->perf_stats
.outbound_cnt
;
4483 data
[31] = card
->perf_stats
.outbound_do_qdio_time
;
4484 data
[32] = card
->perf_stats
.outbound_do_qdio_cnt
;
4485 data
[33] = card
->perf_stats
.tx_csum
;
4486 data
[34] = card
->perf_stats
.tx_lin
;
4488 EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats
);
4490 void qeth_core_get_strings(struct net_device
*dev
, u32 stringset
, u8
*data
)
4492 switch (stringset
) {
4494 memcpy(data
, &qeth_ethtool_stats_keys
,
4495 sizeof(qeth_ethtool_stats_keys
));
4502 EXPORT_SYMBOL_GPL(qeth_core_get_strings
);
4504 void qeth_core_get_drvinfo(struct net_device
*dev
,
4505 struct ethtool_drvinfo
*info
)
4507 struct qeth_card
*card
= dev
->ml_priv
;
4508 if (card
->options
.layer2
)
4509 strcpy(info
->driver
, "qeth_l2");
4511 strcpy(info
->driver
, "qeth_l3");
4513 strcpy(info
->version
, "1.0");
4514 strcpy(info
->fw_version
, card
->info
.mcl_level
);
4515 sprintf(info
->bus_info
, "%s/%s/%s",
4518 CARD_DDEV_ID(card
));
4520 EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo
);
4522 int qeth_core_ethtool_get_settings(struct net_device
*netdev
,
4523 struct ethtool_cmd
*ecmd
)
4525 struct qeth_card
*card
= netdev
->ml_priv
;
4526 enum qeth_link_types link_type
;
4528 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) || (card
->info
.guestlan
))
4529 link_type
= QETH_LINK_TYPE_10GBIT_ETH
;
4531 link_type
= card
->info
.link_type
;
4533 ecmd
->transceiver
= XCVR_INTERNAL
;
4534 ecmd
->supported
= SUPPORTED_Autoneg
;
4535 ecmd
->advertising
= ADVERTISED_Autoneg
;
4536 ecmd
->duplex
= DUPLEX_FULL
;
4537 ecmd
->autoneg
= AUTONEG_ENABLE
;
4539 switch (link_type
) {
4540 case QETH_LINK_TYPE_FAST_ETH
:
4541 case QETH_LINK_TYPE_LANE_ETH100
:
4542 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
4543 SUPPORTED_10baseT_Full
|
4544 SUPPORTED_100baseT_Half
|
4545 SUPPORTED_100baseT_Full
|
4547 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
4548 ADVERTISED_10baseT_Full
|
4549 ADVERTISED_100baseT_Half
|
4550 ADVERTISED_100baseT_Full
|
4552 ecmd
->speed
= SPEED_100
;
4553 ecmd
->port
= PORT_TP
;
4556 case QETH_LINK_TYPE_GBIT_ETH
:
4557 case QETH_LINK_TYPE_LANE_ETH1000
:
4558 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
4559 SUPPORTED_10baseT_Full
|
4560 SUPPORTED_100baseT_Half
|
4561 SUPPORTED_100baseT_Full
|
4562 SUPPORTED_1000baseT_Half
|
4563 SUPPORTED_1000baseT_Full
|
4565 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
4566 ADVERTISED_10baseT_Full
|
4567 ADVERTISED_100baseT_Half
|
4568 ADVERTISED_100baseT_Full
|
4569 ADVERTISED_1000baseT_Half
|
4570 ADVERTISED_1000baseT_Full
|
4572 ecmd
->speed
= SPEED_1000
;
4573 ecmd
->port
= PORT_FIBRE
;
4576 case QETH_LINK_TYPE_10GBIT_ETH
:
4577 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
4578 SUPPORTED_10baseT_Full
|
4579 SUPPORTED_100baseT_Half
|
4580 SUPPORTED_100baseT_Full
|
4581 SUPPORTED_1000baseT_Half
|
4582 SUPPORTED_1000baseT_Full
|
4583 SUPPORTED_10000baseT_Full
|
4585 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
4586 ADVERTISED_10baseT_Full
|
4587 ADVERTISED_100baseT_Half
|
4588 ADVERTISED_100baseT_Full
|
4589 ADVERTISED_1000baseT_Half
|
4590 ADVERTISED_1000baseT_Full
|
4591 ADVERTISED_10000baseT_Full
|
4593 ecmd
->speed
= SPEED_10000
;
4594 ecmd
->port
= PORT_FIBRE
;
4598 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
4599 SUPPORTED_10baseT_Full
|
4601 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
4602 ADVERTISED_10baseT_Full
|
4604 ecmd
->speed
= SPEED_10
;
4605 ecmd
->port
= PORT_TP
;
4610 EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings
);
4612 static int __init
qeth_core_init(void)
4616 pr_info("loading core functions\n");
4617 INIT_LIST_HEAD(&qeth_core_card_list
.list
);
4618 rwlock_init(&qeth_core_card_list
.rwlock
);
4620 rc
= qeth_register_dbf_views();
4623 rc
= ccw_driver_register(&qeth_ccw_driver
);
4626 rc
= ccwgroup_driver_register(&qeth_core_ccwgroup_driver
);
4629 rc
= driver_create_file(&qeth_core_ccwgroup_driver
.driver
,
4630 &driver_attr_group
);
4633 qeth_core_root_dev
= root_device_register("qeth");
4634 rc
= IS_ERR(qeth_core_root_dev
) ? PTR_ERR(qeth_core_root_dev
) : 0;
4638 qeth_core_header_cache
= kmem_cache_create("qeth_hdr",
4639 sizeof(struct qeth_hdr
) + ETH_HLEN
, 64, 0, NULL
);
4640 if (!qeth_core_header_cache
) {
4647 root_device_unregister(qeth_core_root_dev
);
4649 driver_remove_file(&qeth_core_ccwgroup_driver
.driver
,
4650 &driver_attr_group
);
4652 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver
);
4654 ccw_driver_unregister(&qeth_ccw_driver
);
4656 QETH_DBF_MESSAGE(2, "Initialization failed with code %d\n", rc
);
4657 qeth_unregister_dbf_views();
4659 pr_err("Initializing the qeth device driver failed\n");
4663 static void __exit
qeth_core_exit(void)
4665 root_device_unregister(qeth_core_root_dev
);
4666 driver_remove_file(&qeth_core_ccwgroup_driver
.driver
,
4667 &driver_attr_group
);
4668 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver
);
4669 ccw_driver_unregister(&qeth_ccw_driver
);
4670 kmem_cache_destroy(qeth_core_header_cache
);
4671 qeth_unregister_dbf_views();
4672 pr_info("core functions removed\n");
4675 module_init(qeth_core_init
);
4676 module_exit(qeth_core_exit
);
4677 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
4678 MODULE_DESCRIPTION("qeth core functions");
4679 MODULE_LICENSE("GPL");