2 * drivers/s390/net/qeth_core_main.c
4 * Copyright IBM Corp. 2007
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 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/string.h>
14 #include <linux/errno.h>
15 #include <linux/kernel.h>
17 #include <linux/ipv6.h>
18 #include <linux/tcp.h>
19 #include <linux/mii.h>
20 #include <linux/kthread.h>
22 #include <asm-s390/ebcdic.h>
23 #include <asm-s390/io.h>
24 #include <asm/s390_rdev.h>
26 #include "qeth_core.h"
27 #include "qeth_core_offl.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
);
52 static struct device
*qeth_core_root_dev
;
53 static unsigned int known_devices
[][10] = QETH_MODELLIST_ARRAY
;
54 static struct lock_class_key qdio_out_skb_queue_key
;
56 static void qeth_send_control_data_cb(struct qeth_channel
*,
57 struct qeth_cmd_buffer
*);
58 static int qeth_issue_next_read(struct qeth_card
*);
59 static struct qeth_cmd_buffer
*qeth_get_buffer(struct qeth_channel
*);
60 static void qeth_setup_ccw(struct qeth_channel
*, unsigned char *, __u32
);
61 static void qeth_free_buffer_pool(struct qeth_card
*);
62 static int qeth_qdio_establish(struct qeth_card
*);
65 static inline void __qeth_fill_buffer_frag(struct sk_buff
*skb
,
66 struct qdio_buffer
*buffer
, int is_tso
,
67 int *next_element_to_fill
)
69 struct skb_frag_struct
*frag
;
72 int element
, cnt
, dlen
;
74 fragno
= skb_shinfo(skb
)->nr_frags
;
75 element
= *next_element_to_fill
;
79 buffer
->element
[element
].flags
=
80 SBAL_FLAGS_MIDDLE_FRAG
;
82 buffer
->element
[element
].flags
=
83 SBAL_FLAGS_FIRST_FRAG
;
84 dlen
= skb
->len
- skb
->data_len
;
86 buffer
->element
[element
].addr
= skb
->data
;
87 buffer
->element
[element
].length
= dlen
;
90 for (cnt
= 0; cnt
< fragno
; cnt
++) {
91 frag
= &skb_shinfo(skb
)->frags
[cnt
];
92 addr
= (page_to_pfn(frag
->page
) << PAGE_SHIFT
) +
94 buffer
->element
[element
].addr
= (char *)addr
;
95 buffer
->element
[element
].length
= frag
->size
;
96 if (cnt
< (fragno
- 1))
97 buffer
->element
[element
].flags
=
98 SBAL_FLAGS_MIDDLE_FRAG
;
100 buffer
->element
[element
].flags
=
101 SBAL_FLAGS_LAST_FRAG
;
104 *next_element_to_fill
= element
;
107 static inline const char *qeth_get_cardname(struct qeth_card
*card
)
109 if (card
->info
.guestlan
) {
110 switch (card
->info
.type
) {
111 case QETH_CARD_TYPE_OSAE
:
112 return " Guest LAN QDIO";
113 case QETH_CARD_TYPE_IQD
:
114 return " Guest LAN Hiper";
119 switch (card
->info
.type
) {
120 case QETH_CARD_TYPE_OSAE
:
121 return " OSD Express";
122 case QETH_CARD_TYPE_IQD
:
123 return " HiperSockets";
124 case QETH_CARD_TYPE_OSN
:
133 /* max length to be returned: 14 */
134 const char *qeth_get_cardname_short(struct qeth_card
*card
)
136 if (card
->info
.guestlan
) {
137 switch (card
->info
.type
) {
138 case QETH_CARD_TYPE_OSAE
:
139 return "GuestLAN QDIO";
140 case QETH_CARD_TYPE_IQD
:
141 return "GuestLAN Hiper";
146 switch (card
->info
.type
) {
147 case QETH_CARD_TYPE_OSAE
:
148 switch (card
->info
.link_type
) {
149 case QETH_LINK_TYPE_FAST_ETH
:
151 case QETH_LINK_TYPE_HSTR
:
153 case QETH_LINK_TYPE_GBIT_ETH
:
155 case QETH_LINK_TYPE_10GBIT_ETH
:
157 case QETH_LINK_TYPE_LANE_ETH100
:
158 return "OSD_FE_LANE";
159 case QETH_LINK_TYPE_LANE_TR
:
160 return "OSD_TR_LANE";
161 case QETH_LINK_TYPE_LANE_ETH1000
:
162 return "OSD_GbE_LANE";
163 case QETH_LINK_TYPE_LANE
:
164 return "OSD_ATM_LANE";
166 return "OSD_Express";
168 case QETH_CARD_TYPE_IQD
:
169 return "HiperSockets";
170 case QETH_CARD_TYPE_OSN
:
179 void qeth_set_allowed_threads(struct qeth_card
*card
, unsigned long threads
,
180 int clear_start_mask
)
184 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
185 card
->thread_allowed_mask
= threads
;
186 if (clear_start_mask
)
187 card
->thread_start_mask
&= threads
;
188 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
189 wake_up(&card
->wait_q
);
191 EXPORT_SYMBOL_GPL(qeth_set_allowed_threads
);
193 int qeth_threads_running(struct qeth_card
*card
, unsigned long threads
)
198 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
199 rc
= (card
->thread_running_mask
& threads
);
200 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
203 EXPORT_SYMBOL_GPL(qeth_threads_running
);
205 int qeth_wait_for_threads(struct qeth_card
*card
, unsigned long threads
)
207 return wait_event_interruptible(card
->wait_q
,
208 qeth_threads_running(card
, threads
) == 0);
210 EXPORT_SYMBOL_GPL(qeth_wait_for_threads
);
212 void qeth_clear_working_pool_list(struct qeth_card
*card
)
214 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
216 QETH_DBF_TEXT(TRACE
, 5, "clwrklst");
217 list_for_each_entry_safe(pool_entry
, tmp
,
218 &card
->qdio
.in_buf_pool
.entry_list
, list
){
219 list_del(&pool_entry
->list
);
222 EXPORT_SYMBOL_GPL(qeth_clear_working_pool_list
);
224 static int qeth_alloc_buffer_pool(struct qeth_card
*card
)
226 struct qeth_buffer_pool_entry
*pool_entry
;
230 QETH_DBF_TEXT(TRACE
, 5, "alocpool");
231 for (i
= 0; i
< card
->qdio
.init_pool
.buf_count
; ++i
) {
232 pool_entry
= kmalloc(sizeof(*pool_entry
), GFP_KERNEL
);
234 qeth_free_buffer_pool(card
);
237 for (j
= 0; j
< QETH_MAX_BUFFER_ELEMENTS(card
); ++j
) {
238 ptr
= (void *) __get_free_page(GFP_KERNEL
);
241 free_page((unsigned long)
242 pool_entry
->elements
[--j
]);
244 qeth_free_buffer_pool(card
);
247 pool_entry
->elements
[j
] = ptr
;
249 list_add(&pool_entry
->init_list
,
250 &card
->qdio
.init_pool
.entry_list
);
255 int qeth_realloc_buffer_pool(struct qeth_card
*card
, int bufcnt
)
257 QETH_DBF_TEXT(TRACE
, 2, "realcbp");
259 if ((card
->state
!= CARD_STATE_DOWN
) &&
260 (card
->state
!= CARD_STATE_RECOVER
))
263 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
264 qeth_clear_working_pool_list(card
);
265 qeth_free_buffer_pool(card
);
266 card
->qdio
.in_buf_pool
.buf_count
= bufcnt
;
267 card
->qdio
.init_pool
.buf_count
= bufcnt
;
268 return qeth_alloc_buffer_pool(card
);
271 int qeth_set_large_send(struct qeth_card
*card
,
272 enum qeth_large_send_types type
)
276 if (card
->dev
== NULL
) {
277 card
->options
.large_send
= type
;
280 if (card
->state
== CARD_STATE_UP
)
281 netif_tx_disable(card
->dev
);
282 card
->options
.large_send
= type
;
283 switch (card
->options
.large_send
) {
284 case QETH_LARGE_SEND_EDDP
:
285 card
->dev
->features
|= NETIF_F_TSO
| NETIF_F_SG
|
288 case QETH_LARGE_SEND_TSO
:
289 if (qeth_is_supported(card
, IPA_OUTBOUND_TSO
)) {
290 card
->dev
->features
|= NETIF_F_TSO
| NETIF_F_SG
|
293 card
->dev
->features
&= ~(NETIF_F_TSO
| NETIF_F_SG
|
295 card
->options
.large_send
= QETH_LARGE_SEND_NO
;
299 default: /* includes QETH_LARGE_SEND_NO */
300 card
->dev
->features
&= ~(NETIF_F_TSO
| NETIF_F_SG
|
304 if (card
->state
== CARD_STATE_UP
)
305 netif_wake_queue(card
->dev
);
308 EXPORT_SYMBOL_GPL(qeth_set_large_send
);
310 static int qeth_issue_next_read(struct qeth_card
*card
)
313 struct qeth_cmd_buffer
*iob
;
315 QETH_DBF_TEXT(TRACE
, 5, "issnxrd");
316 if (card
->read
.state
!= CH_STATE_UP
)
318 iob
= qeth_get_buffer(&card
->read
);
320 PRINT_WARN("issue_next_read failed: no iob available!\n");
323 qeth_setup_ccw(&card
->read
, iob
->data
, QETH_BUFSIZE
);
324 QETH_DBF_TEXT(TRACE
, 6, "noirqpnd");
325 rc
= ccw_device_start(card
->read
.ccwdev
, &card
->read
.ccw
,
328 PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc
);
329 atomic_set(&card
->read
.irq_pending
, 0);
330 qeth_schedule_recovery(card
);
331 wake_up(&card
->wait_q
);
336 static struct qeth_reply
*qeth_alloc_reply(struct qeth_card
*card
)
338 struct qeth_reply
*reply
;
340 reply
= kzalloc(sizeof(struct qeth_reply
), GFP_ATOMIC
);
342 atomic_set(&reply
->refcnt
, 1);
343 atomic_set(&reply
->received
, 0);
349 static void qeth_get_reply(struct qeth_reply
*reply
)
351 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
352 atomic_inc(&reply
->refcnt
);
355 static void qeth_put_reply(struct qeth_reply
*reply
)
357 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
358 if (atomic_dec_and_test(&reply
->refcnt
))
362 static void qeth_issue_ipa_msg(struct qeth_ipa_cmd
*cmd
, int rc
,
363 struct qeth_card
*card
)
366 int com
= cmd
->hdr
.command
;
367 ipa_name
= qeth_get_ipa_cmd_name(com
);
369 QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s returned x%X \"%s\"\n",
370 ipa_name
, com
, QETH_CARD_IFNAME(card
),
371 rc
, qeth_get_ipa_msg(rc
));
373 QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s succeeded\n",
374 ipa_name
, com
, QETH_CARD_IFNAME(card
));
377 static struct qeth_ipa_cmd
*qeth_check_ipa_data(struct qeth_card
*card
,
378 struct qeth_cmd_buffer
*iob
)
380 struct qeth_ipa_cmd
*cmd
= NULL
;
382 QETH_DBF_TEXT(TRACE
, 5, "chkipad");
383 if (IS_IPA(iob
->data
)) {
384 cmd
= (struct qeth_ipa_cmd
*) PDU_ENCAPSULATION(iob
->data
);
385 if (IS_IPA_REPLY(cmd
)) {
386 if (cmd
->hdr
.command
< IPA_CMD_SETCCID
||
387 cmd
->hdr
.command
> IPA_CMD_MODCCID
)
388 qeth_issue_ipa_msg(cmd
,
389 cmd
->hdr
.return_code
, card
);
392 switch (cmd
->hdr
.command
) {
393 case IPA_CMD_STOPLAN
:
394 PRINT_WARN("Link failure on %s (CHPID 0x%X) - "
395 "there is a network problem or "
396 "someone pulled the cable or "
397 "disabled the port.\n",
398 QETH_CARD_IFNAME(card
),
400 card
->lan_online
= 0;
401 if (card
->dev
&& netif_carrier_ok(card
->dev
))
402 netif_carrier_off(card
->dev
);
404 case IPA_CMD_STARTLAN
:
405 PRINT_INFO("Link reestablished on %s "
406 "(CHPID 0x%X). Scheduling "
407 "IP address reset.\n",
408 QETH_CARD_IFNAME(card
),
410 netif_carrier_on(card
->dev
);
411 card
->lan_online
= 1;
412 qeth_schedule_recovery(card
);
414 case IPA_CMD_MODCCID
:
416 case IPA_CMD_REGISTER_LOCAL_ADDR
:
417 QETH_DBF_TEXT(TRACE
, 3, "irla");
419 case IPA_CMD_UNREGISTER_LOCAL_ADDR
:
420 QETH_DBF_TEXT(TRACE
, 3, "urla");
423 QETH_DBF_MESSAGE(2, "Received data is IPA "
424 "but not a reply!\n");
432 void qeth_clear_ipacmd_list(struct qeth_card
*card
)
434 struct qeth_reply
*reply
, *r
;
437 QETH_DBF_TEXT(TRACE
, 4, "clipalst");
439 spin_lock_irqsave(&card
->lock
, flags
);
440 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
441 qeth_get_reply(reply
);
443 atomic_inc(&reply
->received
);
444 list_del_init(&reply
->list
);
445 wake_up(&reply
->wait_q
);
446 qeth_put_reply(reply
);
448 spin_unlock_irqrestore(&card
->lock
, flags
);
450 EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list
);
452 static int qeth_check_idx_response(unsigned char *buffer
)
457 QETH_DBF_HEX(CTRL
, 2, buffer
, QETH_DBF_CTRL_LEN
);
458 if ((buffer
[2] & 0xc0) == 0xc0) {
459 PRINT_WARN("received an IDX TERMINATE "
460 "with cause code 0x%02x%s\n",
462 ((buffer
[4] == 0x22) ?
463 " -- try another portname" : ""));
464 QETH_DBF_TEXT(TRACE
, 2, "ckidxres");
465 QETH_DBF_TEXT(TRACE
, 2, " idxterm");
466 QETH_DBF_TEXT_(TRACE
, 2, " rc%d", -EIO
);
472 static void qeth_setup_ccw(struct qeth_channel
*channel
, unsigned char *iob
,
475 struct qeth_card
*card
;
477 QETH_DBF_TEXT(TRACE
, 4, "setupccw");
478 card
= CARD_FROM_CDEV(channel
->ccwdev
);
479 if (channel
== &card
->read
)
480 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
482 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
483 channel
->ccw
.count
= len
;
484 channel
->ccw
.cda
= (__u32
) __pa(iob
);
487 static struct qeth_cmd_buffer
*__qeth_get_buffer(struct qeth_channel
*channel
)
491 QETH_DBF_TEXT(TRACE
, 6, "getbuff");
492 index
= channel
->io_buf_no
;
494 if (channel
->iob
[index
].state
== BUF_STATE_FREE
) {
495 channel
->iob
[index
].state
= BUF_STATE_LOCKED
;
496 channel
->io_buf_no
= (channel
->io_buf_no
+ 1) %
498 memset(channel
->iob
[index
].data
, 0, QETH_BUFSIZE
);
499 return channel
->iob
+ index
;
501 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
502 } while (index
!= channel
->io_buf_no
);
507 void qeth_release_buffer(struct qeth_channel
*channel
,
508 struct qeth_cmd_buffer
*iob
)
512 QETH_DBF_TEXT(TRACE
, 6, "relbuff");
513 spin_lock_irqsave(&channel
->iob_lock
, flags
);
514 memset(iob
->data
, 0, QETH_BUFSIZE
);
515 iob
->state
= BUF_STATE_FREE
;
516 iob
->callback
= qeth_send_control_data_cb
;
518 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
520 EXPORT_SYMBOL_GPL(qeth_release_buffer
);
522 static struct qeth_cmd_buffer
*qeth_get_buffer(struct qeth_channel
*channel
)
524 struct qeth_cmd_buffer
*buffer
= NULL
;
527 spin_lock_irqsave(&channel
->iob_lock
, flags
);
528 buffer
= __qeth_get_buffer(channel
);
529 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
533 struct qeth_cmd_buffer
*qeth_wait_for_buffer(struct qeth_channel
*channel
)
535 struct qeth_cmd_buffer
*buffer
;
536 wait_event(channel
->wait_q
,
537 ((buffer
= qeth_get_buffer(channel
)) != NULL
));
540 EXPORT_SYMBOL_GPL(qeth_wait_for_buffer
);
542 void qeth_clear_cmd_buffers(struct qeth_channel
*channel
)
546 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++)
547 qeth_release_buffer(channel
, &channel
->iob
[cnt
]);
549 channel
->io_buf_no
= 0;
551 EXPORT_SYMBOL_GPL(qeth_clear_cmd_buffers
);
553 static void qeth_send_control_data_cb(struct qeth_channel
*channel
,
554 struct qeth_cmd_buffer
*iob
)
556 struct qeth_card
*card
;
557 struct qeth_reply
*reply
, *r
;
558 struct qeth_ipa_cmd
*cmd
;
562 QETH_DBF_TEXT(TRACE
, 4, "sndctlcb");
564 card
= CARD_FROM_CDEV(channel
->ccwdev
);
565 if (qeth_check_idx_response(iob
->data
)) {
566 qeth_clear_ipacmd_list(card
);
567 qeth_schedule_recovery(card
);
571 cmd
= qeth_check_ipa_data(card
, iob
);
572 if ((cmd
== NULL
) && (card
->state
!= CARD_STATE_DOWN
))
574 /*in case of OSN : check if cmd is set */
575 if (card
->info
.type
== QETH_CARD_TYPE_OSN
&&
577 cmd
->hdr
.command
!= IPA_CMD_STARTLAN
&&
578 card
->osn_info
.assist_cb
!= NULL
) {
579 card
->osn_info
.assist_cb(card
->dev
, cmd
);
583 spin_lock_irqsave(&card
->lock
, flags
);
584 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
585 if ((reply
->seqno
== QETH_IDX_COMMAND_SEQNO
) ||
586 ((cmd
) && (reply
->seqno
== cmd
->hdr
.seqno
))) {
587 qeth_get_reply(reply
);
588 list_del_init(&reply
->list
);
589 spin_unlock_irqrestore(&card
->lock
, flags
);
591 if (reply
->callback
!= NULL
) {
593 reply
->offset
= (__u16
)((char *)cmd
-
595 keep_reply
= reply
->callback(card
,
599 keep_reply
= reply
->callback(card
,
604 reply
->rc
= (u16
) cmd
->hdr
.return_code
;
608 spin_lock_irqsave(&card
->lock
, flags
);
609 list_add_tail(&reply
->list
,
610 &card
->cmd_waiter_list
);
611 spin_unlock_irqrestore(&card
->lock
, flags
);
613 atomic_inc(&reply
->received
);
614 wake_up(&reply
->wait_q
);
616 qeth_put_reply(reply
);
620 spin_unlock_irqrestore(&card
->lock
, flags
);
622 memcpy(&card
->seqno
.pdu_hdr_ack
,
623 QETH_PDU_HEADER_SEQ_NO(iob
->data
),
625 qeth_release_buffer(channel
, iob
);
628 static int qeth_setup_channel(struct qeth_channel
*channel
)
632 QETH_DBF_TEXT(SETUP
, 2, "setupch");
633 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++) {
634 channel
->iob
[cnt
].data
= (char *)
635 kmalloc(QETH_BUFSIZE
, GFP_DMA
|GFP_KERNEL
);
636 if (channel
->iob
[cnt
].data
== NULL
)
638 channel
->iob
[cnt
].state
= BUF_STATE_FREE
;
639 channel
->iob
[cnt
].channel
= channel
;
640 channel
->iob
[cnt
].callback
= qeth_send_control_data_cb
;
641 channel
->iob
[cnt
].rc
= 0;
643 if (cnt
< QETH_CMD_BUFFER_NO
) {
645 kfree(channel
->iob
[cnt
].data
);
649 channel
->io_buf_no
= 0;
650 atomic_set(&channel
->irq_pending
, 0);
651 spin_lock_init(&channel
->iob_lock
);
653 init_waitqueue_head(&channel
->wait_q
);
657 static int qeth_set_thread_start_bit(struct qeth_card
*card
,
658 unsigned long thread
)
662 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
663 if (!(card
->thread_allowed_mask
& thread
) ||
664 (card
->thread_start_mask
& thread
)) {
665 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
668 card
->thread_start_mask
|= thread
;
669 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
673 void qeth_clear_thread_start_bit(struct qeth_card
*card
, unsigned long thread
)
677 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
678 card
->thread_start_mask
&= ~thread
;
679 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
680 wake_up(&card
->wait_q
);
682 EXPORT_SYMBOL_GPL(qeth_clear_thread_start_bit
);
684 void qeth_clear_thread_running_bit(struct qeth_card
*card
, unsigned long thread
)
688 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
689 card
->thread_running_mask
&= ~thread
;
690 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
691 wake_up(&card
->wait_q
);
693 EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit
);
695 static int __qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
700 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
701 if (card
->thread_start_mask
& thread
) {
702 if ((card
->thread_allowed_mask
& thread
) &&
703 !(card
->thread_running_mask
& thread
)) {
705 card
->thread_start_mask
&= ~thread
;
706 card
->thread_running_mask
|= thread
;
710 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
714 int qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
718 wait_event(card
->wait_q
,
719 (rc
= __qeth_do_run_thread(card
, thread
)) >= 0);
722 EXPORT_SYMBOL_GPL(qeth_do_run_thread
);
724 void qeth_schedule_recovery(struct qeth_card
*card
)
726 QETH_DBF_TEXT(TRACE
, 2, "startrec");
727 if (qeth_set_thread_start_bit(card
, QETH_RECOVER_THREAD
) == 0)
728 schedule_work(&card
->kernel_thread_starter
);
730 EXPORT_SYMBOL_GPL(qeth_schedule_recovery
);
732 static int qeth_get_problem(struct ccw_device
*cdev
, struct irb
*irb
)
737 sense
= (char *) irb
->ecw
;
738 cstat
= irb
->scsw
.cmd
.cstat
;
739 dstat
= irb
->scsw
.cmd
.dstat
;
741 if (cstat
& (SCHN_STAT_CHN_CTRL_CHK
| SCHN_STAT_INTF_CTRL_CHK
|
742 SCHN_STAT_CHN_DATA_CHK
| SCHN_STAT_CHAIN_CHECK
|
743 SCHN_STAT_PROT_CHECK
| SCHN_STAT_PROG_CHECK
)) {
744 QETH_DBF_TEXT(TRACE
, 2, "CGENCHK");
745 PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
746 cdev
->dev
.bus_id
, dstat
, cstat
);
747 print_hex_dump(KERN_WARNING
, "qeth: irb ", DUMP_PREFIX_OFFSET
,
752 if (dstat
& DEV_STAT_UNIT_CHECK
) {
753 if (sense
[SENSE_RESETTING_EVENT_BYTE
] &
754 SENSE_RESETTING_EVENT_FLAG
) {
755 QETH_DBF_TEXT(TRACE
, 2, "REVIND");
758 if (sense
[SENSE_COMMAND_REJECT_BYTE
] &
759 SENSE_COMMAND_REJECT_FLAG
) {
760 QETH_DBF_TEXT(TRACE
, 2, "CMDREJi");
763 if ((sense
[2] == 0xaf) && (sense
[3] == 0xfe)) {
764 QETH_DBF_TEXT(TRACE
, 2, "AFFE");
767 if ((!sense
[0]) && (!sense
[1]) && (!sense
[2]) && (!sense
[3])) {
768 QETH_DBF_TEXT(TRACE
, 2, "ZEROSEN");
771 QETH_DBF_TEXT(TRACE
, 2, "DGENCHK");
777 static long __qeth_check_irb_error(struct ccw_device
*cdev
,
778 unsigned long intparm
, struct irb
*irb
)
783 switch (PTR_ERR(irb
)) {
785 PRINT_WARN("i/o-error on device %s\n", cdev
->dev
.bus_id
);
786 QETH_DBF_TEXT(TRACE
, 2, "ckirberr");
787 QETH_DBF_TEXT_(TRACE
, 2, " rc%d", -EIO
);
790 PRINT_WARN("timeout on device %s\n", cdev
->dev
.bus_id
);
791 QETH_DBF_TEXT(TRACE
, 2, "ckirberr");
792 QETH_DBF_TEXT_(TRACE
, 2, " rc%d", -ETIMEDOUT
);
793 if (intparm
== QETH_RCD_PARM
) {
794 struct qeth_card
*card
= CARD_FROM_CDEV(cdev
);
796 if (card
&& (card
->data
.ccwdev
== cdev
)) {
797 card
->data
.state
= CH_STATE_DOWN
;
798 wake_up(&card
->wait_q
);
803 PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb
),
805 QETH_DBF_TEXT(TRACE
, 2, "ckirberr");
806 QETH_DBF_TEXT(TRACE
, 2, " rc???");
811 static void qeth_irq(struct ccw_device
*cdev
, unsigned long intparm
,
816 struct qeth_cmd_buffer
*buffer
;
817 struct qeth_channel
*channel
;
818 struct qeth_card
*card
;
819 struct qeth_cmd_buffer
*iob
;
822 QETH_DBF_TEXT(TRACE
, 5, "irq");
824 if (__qeth_check_irb_error(cdev
, intparm
, irb
))
826 cstat
= irb
->scsw
.cmd
.cstat
;
827 dstat
= irb
->scsw
.cmd
.dstat
;
829 card
= CARD_FROM_CDEV(cdev
);
833 if (card
->read
.ccwdev
== cdev
) {
834 channel
= &card
->read
;
835 QETH_DBF_TEXT(TRACE
, 5, "read");
836 } else if (card
->write
.ccwdev
== cdev
) {
837 channel
= &card
->write
;
838 QETH_DBF_TEXT(TRACE
, 5, "write");
840 channel
= &card
->data
;
841 QETH_DBF_TEXT(TRACE
, 5, "data");
843 atomic_set(&channel
->irq_pending
, 0);
845 if (irb
->scsw
.cmd
.fctl
& (SCSW_FCTL_CLEAR_FUNC
))
846 channel
->state
= CH_STATE_STOPPED
;
848 if (irb
->scsw
.cmd
.fctl
& (SCSW_FCTL_HALT_FUNC
))
849 channel
->state
= CH_STATE_HALTED
;
851 /*let's wake up immediately on data channel*/
852 if ((channel
== &card
->data
) && (intparm
!= 0) &&
853 (intparm
!= QETH_RCD_PARM
))
856 if (intparm
== QETH_CLEAR_CHANNEL_PARM
) {
857 QETH_DBF_TEXT(TRACE
, 6, "clrchpar");
858 /* we don't have to handle this further */
861 if (intparm
== QETH_HALT_CHANNEL_PARM
) {
862 QETH_DBF_TEXT(TRACE
, 6, "hltchpar");
863 /* we don't have to handle this further */
866 if ((dstat
& DEV_STAT_UNIT_EXCEP
) ||
867 (dstat
& DEV_STAT_UNIT_CHECK
) ||
869 if (irb
->esw
.esw0
.erw
.cons
) {
870 /* TODO: we should make this s390dbf */
871 PRINT_WARN("sense data available on channel %s.\n",
872 CHANNEL_ID(channel
));
873 PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat
, dstat
);
874 print_hex_dump(KERN_WARNING
, "qeth: irb ",
875 DUMP_PREFIX_OFFSET
, 16, 1, irb
, 32, 1);
876 print_hex_dump(KERN_WARNING
, "qeth: sense data ",
877 DUMP_PREFIX_OFFSET
, 16, 1, irb
->ecw
, 32, 1);
879 if (intparm
== QETH_RCD_PARM
) {
880 channel
->state
= CH_STATE_DOWN
;
883 rc
= qeth_get_problem(cdev
, irb
);
885 qeth_schedule_recovery(card
);
890 if (intparm
== QETH_RCD_PARM
) {
891 channel
->state
= CH_STATE_RCD_DONE
;
895 buffer
= (struct qeth_cmd_buffer
*) __va((addr_t
)intparm
);
896 buffer
->state
= BUF_STATE_PROCESSED
;
898 if (channel
== &card
->data
)
900 if (channel
== &card
->read
&&
901 channel
->state
== CH_STATE_UP
)
902 qeth_issue_next_read(card
);
905 index
= channel
->buf_no
;
906 while (iob
[index
].state
== BUF_STATE_PROCESSED
) {
907 if (iob
[index
].callback
!= NULL
)
908 iob
[index
].callback(channel
, iob
+ index
);
910 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
912 channel
->buf_no
= index
;
914 wake_up(&card
->wait_q
);
918 static void qeth_clear_output_buffer(struct qeth_qdio_out_q
*queue
,
919 struct qeth_qdio_out_buffer
*buf
)
924 /* is PCI flag set on buffer? */
925 if (buf
->buffer
->element
[0].flags
& 0x40)
926 atomic_dec(&queue
->set_pci_flags_count
);
928 skb
= skb_dequeue(&buf
->skb_list
);
930 atomic_dec(&skb
->users
);
931 dev_kfree_skb_any(skb
);
932 skb
= skb_dequeue(&buf
->skb_list
);
934 qeth_eddp_buf_release_contexts(buf
);
935 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(queue
->card
); ++i
) {
936 buf
->buffer
->element
[i
].length
= 0;
937 buf
->buffer
->element
[i
].addr
= NULL
;
938 buf
->buffer
->element
[i
].flags
= 0;
940 buf
->next_element_to_fill
= 0;
941 atomic_set(&buf
->state
, QETH_QDIO_BUF_EMPTY
);
944 void qeth_clear_qdio_buffers(struct qeth_card
*card
)
948 QETH_DBF_TEXT(TRACE
, 2, "clearqdbf");
949 /* clear outbound buffers to free skbs */
950 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
)
951 if (card
->qdio
.out_qs
[i
]) {
952 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
)
953 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
954 &card
->qdio
.out_qs
[i
]->bufs
[j
]);
957 EXPORT_SYMBOL_GPL(qeth_clear_qdio_buffers
);
959 static void qeth_free_buffer_pool(struct qeth_card
*card
)
961 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
963 QETH_DBF_TEXT(TRACE
, 5, "freepool");
964 list_for_each_entry_safe(pool_entry
, tmp
,
965 &card
->qdio
.init_pool
.entry_list
, init_list
){
966 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
)
967 free_page((unsigned long)pool_entry
->elements
[i
]);
968 list_del(&pool_entry
->init_list
);
973 static void qeth_free_qdio_buffers(struct qeth_card
*card
)
977 QETH_DBF_TEXT(TRACE
, 2, "freeqdbf");
978 if (atomic_xchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
) ==
979 QETH_QDIO_UNINITIALIZED
)
981 kfree(card
->qdio
.in_q
);
982 card
->qdio
.in_q
= NULL
;
983 /* inbound buffer pool */
984 qeth_free_buffer_pool(card
);
985 /* free outbound qdio_qs */
986 if (card
->qdio
.out_qs
) {
987 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
988 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
)
989 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
990 &card
->qdio
.out_qs
[i
]->bufs
[j
]);
991 kfree(card
->qdio
.out_qs
[i
]);
993 kfree(card
->qdio
.out_qs
);
994 card
->qdio
.out_qs
= NULL
;
998 static void qeth_clean_channel(struct qeth_channel
*channel
)
1002 QETH_DBF_TEXT(SETUP
, 2, "freech");
1003 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++)
1004 kfree(channel
->iob
[cnt
].data
);
1007 static int qeth_is_1920_device(struct qeth_card
*card
)
1009 int single_queue
= 0;
1010 struct ccw_device
*ccwdev
;
1011 struct channelPath_dsc
{
1022 QETH_DBF_TEXT(SETUP
, 2, "chk_1920");
1024 ccwdev
= card
->data
.ccwdev
;
1025 chp_dsc
= (struct channelPath_dsc
*)ccw_device_get_chp_desc(ccwdev
, 0);
1026 if (chp_dsc
!= NULL
) {
1027 /* CHPP field bit 6 == 1 -> single queue */
1028 single_queue
= ((chp_dsc
->chpp
& 0x02) == 0x02);
1031 QETH_DBF_TEXT_(SETUP
, 2, "rc:%x", single_queue
);
1032 return single_queue
;
1035 static void qeth_init_qdio_info(struct qeth_card
*card
)
1037 QETH_DBF_TEXT(SETUP
, 4, "intqdinf");
1038 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
1040 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
1041 card
->qdio
.init_pool
.buf_count
= QETH_IN_BUF_COUNT_DEFAULT
;
1042 card
->qdio
.in_buf_pool
.buf_count
= card
->qdio
.init_pool
.buf_count
;
1043 INIT_LIST_HEAD(&card
->qdio
.in_buf_pool
.entry_list
);
1044 INIT_LIST_HEAD(&card
->qdio
.init_pool
.entry_list
);
1047 static void qeth_set_intial_options(struct qeth_card
*card
)
1049 card
->options
.route4
.type
= NO_ROUTER
;
1050 card
->options
.route6
.type
= NO_ROUTER
;
1051 card
->options
.checksum_type
= QETH_CHECKSUM_DEFAULT
;
1052 card
->options
.broadcast_mode
= QETH_TR_BROADCAST_ALLRINGS
;
1053 card
->options
.macaddr_mode
= QETH_TR_MACADDR_NONCANONICAL
;
1054 card
->options
.fake_broadcast
= 0;
1055 card
->options
.add_hhlen
= DEFAULT_ADD_HHLEN
;
1056 card
->options
.fake_ll
= 0;
1057 card
->options
.performance_stats
= 0;
1058 card
->options
.rx_sg_cb
= QETH_RX_SG_CB
;
1061 static int qeth_do_start_thread(struct qeth_card
*card
, unsigned long thread
)
1063 unsigned long flags
;
1066 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
1067 QETH_DBF_TEXT_(TRACE
, 4, " %02x%02x%02x",
1068 (u8
) card
->thread_start_mask
,
1069 (u8
) card
->thread_allowed_mask
,
1070 (u8
) card
->thread_running_mask
);
1071 rc
= (card
->thread_start_mask
& thread
);
1072 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
1076 static void qeth_start_kernel_thread(struct work_struct
*work
)
1078 struct qeth_card
*card
= container_of(work
, struct qeth_card
,
1079 kernel_thread_starter
);
1080 QETH_DBF_TEXT(TRACE
, 2, "strthrd");
1082 if (card
->read
.state
!= CH_STATE_UP
&&
1083 card
->write
.state
!= CH_STATE_UP
)
1085 if (qeth_do_start_thread(card
, QETH_RECOVER_THREAD
))
1086 kthread_run(card
->discipline
.recover
, (void *) card
,
1090 static int qeth_setup_card(struct qeth_card
*card
)
1093 QETH_DBF_TEXT(SETUP
, 2, "setupcrd");
1094 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
1096 card
->read
.state
= CH_STATE_DOWN
;
1097 card
->write
.state
= CH_STATE_DOWN
;
1098 card
->data
.state
= CH_STATE_DOWN
;
1099 card
->state
= CARD_STATE_DOWN
;
1100 card
->lan_online
= 0;
1101 card
->use_hard_stop
= 0;
1103 spin_lock_init(&card
->vlanlock
);
1104 spin_lock_init(&card
->mclock
);
1105 card
->vlangrp
= NULL
;
1106 spin_lock_init(&card
->lock
);
1107 spin_lock_init(&card
->ip_lock
);
1108 spin_lock_init(&card
->thread_mask_lock
);
1109 card
->thread_start_mask
= 0;
1110 card
->thread_allowed_mask
= 0;
1111 card
->thread_running_mask
= 0;
1112 INIT_WORK(&card
->kernel_thread_starter
, qeth_start_kernel_thread
);
1113 INIT_LIST_HEAD(&card
->ip_list
);
1114 card
->ip_tbd_list
= kmalloc(sizeof(struct list_head
), GFP_KERNEL
);
1115 if (!card
->ip_tbd_list
) {
1116 QETH_DBF_TEXT(SETUP
, 0, "iptbdnom");
1119 INIT_LIST_HEAD(card
->ip_tbd_list
);
1120 INIT_LIST_HEAD(&card
->cmd_waiter_list
);
1121 init_waitqueue_head(&card
->wait_q
);
1122 /* intial options */
1123 qeth_set_intial_options(card
);
1124 /* IP address takeover */
1125 INIT_LIST_HEAD(&card
->ipato
.entries
);
1126 card
->ipato
.enabled
= 0;
1127 card
->ipato
.invert4
= 0;
1128 card
->ipato
.invert6
= 0;
1129 /* init QDIO stuff */
1130 qeth_init_qdio_info(card
);
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;
1156 static int qeth_determine_card_type(struct qeth_card
*card
)
1160 QETH_DBF_TEXT(SETUP
, 2, "detcdtyp");
1162 card
->qdio
.do_prio_queueing
= QETH_PRIOQ_DEFAULT
;
1163 card
->qdio
.default_out_queue
= QETH_DEFAULT_QUEUE
;
1164 while (known_devices
[i
][4]) {
1165 if ((CARD_RDEV(card
)->id
.dev_type
== known_devices
[i
][2]) &&
1166 (CARD_RDEV(card
)->id
.dev_model
== known_devices
[i
][3])) {
1167 card
->info
.type
= known_devices
[i
][4];
1168 card
->qdio
.no_out_queues
= known_devices
[i
][8];
1169 card
->info
.is_multicast_different
= known_devices
[i
][9];
1170 if (qeth_is_1920_device(card
)) {
1171 PRINT_INFO("Priority Queueing not able "
1172 "due to hardware limitations!\n");
1173 card
->qdio
.no_out_queues
= 1;
1174 card
->qdio
.default_out_queue
= 0;
1180 card
->info
.type
= QETH_CARD_TYPE_UNKNOWN
;
1181 PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card
));
1185 static int qeth_clear_channel(struct qeth_channel
*channel
)
1187 unsigned long flags
;
1188 struct qeth_card
*card
;
1191 QETH_DBF_TEXT(TRACE
, 3, "clearch");
1192 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1193 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1194 rc
= ccw_device_clear(channel
->ccwdev
, QETH_CLEAR_CHANNEL_PARM
);
1195 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1199 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1200 channel
->state
== CH_STATE_STOPPED
, QETH_TIMEOUT
);
1201 if (rc
== -ERESTARTSYS
)
1203 if (channel
->state
!= CH_STATE_STOPPED
)
1205 channel
->state
= CH_STATE_DOWN
;
1209 static int qeth_halt_channel(struct qeth_channel
*channel
)
1211 unsigned long flags
;
1212 struct qeth_card
*card
;
1215 QETH_DBF_TEXT(TRACE
, 3, "haltch");
1216 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1217 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1218 rc
= ccw_device_halt(channel
->ccwdev
, QETH_HALT_CHANNEL_PARM
);
1219 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1223 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1224 channel
->state
== CH_STATE_HALTED
, QETH_TIMEOUT
);
1225 if (rc
== -ERESTARTSYS
)
1227 if (channel
->state
!= CH_STATE_HALTED
)
1232 static int qeth_halt_channels(struct qeth_card
*card
)
1234 int rc1
= 0, rc2
= 0, rc3
= 0;
1236 QETH_DBF_TEXT(TRACE
, 3, "haltchs");
1237 rc1
= qeth_halt_channel(&card
->read
);
1238 rc2
= qeth_halt_channel(&card
->write
);
1239 rc3
= qeth_halt_channel(&card
->data
);
1247 static int qeth_clear_channels(struct qeth_card
*card
)
1249 int rc1
= 0, rc2
= 0, rc3
= 0;
1251 QETH_DBF_TEXT(TRACE
, 3, "clearchs");
1252 rc1
= qeth_clear_channel(&card
->read
);
1253 rc2
= qeth_clear_channel(&card
->write
);
1254 rc3
= qeth_clear_channel(&card
->data
);
1262 static int qeth_clear_halt_card(struct qeth_card
*card
, int halt
)
1266 QETH_DBF_TEXT(TRACE
, 3, "clhacrd");
1267 QETH_DBF_HEX(TRACE
, 3, &card
, sizeof(void *));
1270 rc
= qeth_halt_channels(card
);
1273 return qeth_clear_channels(card
);
1276 int qeth_qdio_clear_card(struct qeth_card
*card
, int use_halt
)
1280 QETH_DBF_TEXT(TRACE
, 3, "qdioclr");
1281 switch (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ESTABLISHED
,
1282 QETH_QDIO_CLEANING
)) {
1283 case QETH_QDIO_ESTABLISHED
:
1284 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1285 rc
= qdio_cleanup(CARD_DDEV(card
),
1286 QDIO_FLAG_CLEANUP_USING_HALT
);
1288 rc
= qdio_cleanup(CARD_DDEV(card
),
1289 QDIO_FLAG_CLEANUP_USING_CLEAR
);
1291 QETH_DBF_TEXT_(TRACE
, 3, "1err%d", rc
);
1292 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
1294 case QETH_QDIO_CLEANING
:
1299 rc
= qeth_clear_halt_card(card
, use_halt
);
1301 QETH_DBF_TEXT_(TRACE
, 3, "2err%d", rc
);
1302 card
->state
= CARD_STATE_DOWN
;
1305 EXPORT_SYMBOL_GPL(qeth_qdio_clear_card
);
1307 static int qeth_read_conf_data(struct qeth_card
*card
, void **buffer
,
1313 struct qeth_channel
*channel
= &card
->data
;
1314 unsigned long flags
;
1317 * scan for RCD command in extended SenseID data
1319 ciw
= ccw_device_get_ciw(channel
->ccwdev
, CIW_TYPE_RCD
);
1320 if (!ciw
|| ciw
->cmd
== 0)
1322 rcd_buf
= kzalloc(ciw
->count
, GFP_KERNEL
| GFP_DMA
);
1326 channel
->ccw
.cmd_code
= ciw
->cmd
;
1327 channel
->ccw
.cda
= (__u32
) __pa(rcd_buf
);
1328 channel
->ccw
.count
= ciw
->count
;
1329 channel
->ccw
.flags
= CCW_FLAG_SLI
;
1330 channel
->state
= CH_STATE_RCD
;
1331 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1332 ret
= ccw_device_start_timeout(channel
->ccwdev
, &channel
->ccw
,
1333 QETH_RCD_PARM
, LPM_ANYPATH
, 0,
1335 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1337 wait_event(card
->wait_q
,
1338 (channel
->state
== CH_STATE_RCD_DONE
||
1339 channel
->state
== CH_STATE_DOWN
));
1340 if (channel
->state
== CH_STATE_DOWN
)
1343 channel
->state
= CH_STATE_DOWN
;
1349 *length
= ciw
->count
;
1355 static int qeth_get_unitaddr(struct qeth_card
*card
)
1361 QETH_DBF_TEXT(SETUP
, 2, "getunit");
1362 rc
= qeth_read_conf_data(card
, (void **) &prcd
, &length
);
1364 PRINT_ERR("qeth_read_conf_data for device %s returned %i\n",
1365 CARD_DDEV_ID(card
), rc
);
1368 card
->info
.chpid
= prcd
[30];
1369 card
->info
.unit_addr2
= prcd
[31];
1370 card
->info
.cula
= prcd
[63];
1371 card
->info
.guestlan
= ((prcd
[0x10] == _ascebc
['V']) &&
1372 (prcd
[0x11] == _ascebc
['M']));
1377 static void qeth_init_tokens(struct qeth_card
*card
)
1379 card
->token
.issuer_rm_w
= 0x00010103UL
;
1380 card
->token
.cm_filter_w
= 0x00010108UL
;
1381 card
->token
.cm_connection_w
= 0x0001010aUL
;
1382 card
->token
.ulp_filter_w
= 0x0001010bUL
;
1383 card
->token
.ulp_connection_w
= 0x0001010dUL
;
1386 static void qeth_init_func_level(struct qeth_card
*card
)
1388 if (card
->ipato
.enabled
) {
1389 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1390 card
->info
.func_level
=
1391 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT
;
1393 card
->info
.func_level
=
1394 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT
;
1396 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1397 /*FIXME:why do we have same values for dis and ena for
1399 card
->info
.func_level
=
1400 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT
;
1402 card
->info
.func_level
=
1403 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT
;
1407 static int qeth_idx_activate_get_answer(struct qeth_channel
*channel
,
1408 void (*idx_reply_cb
)(struct qeth_channel
*,
1409 struct qeth_cmd_buffer
*))
1411 struct qeth_cmd_buffer
*iob
;
1412 unsigned long flags
;
1414 struct qeth_card
*card
;
1416 QETH_DBF_TEXT(SETUP
, 2, "idxanswr");
1417 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1418 iob
= qeth_get_buffer(channel
);
1419 iob
->callback
= idx_reply_cb
;
1420 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
1421 channel
->ccw
.count
= QETH_BUFSIZE
;
1422 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1424 wait_event(card
->wait_q
,
1425 atomic_cmpxchg(&channel
->irq_pending
, 0, 1) == 0);
1426 QETH_DBF_TEXT(SETUP
, 6, "noirqpnd");
1427 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1428 rc
= ccw_device_start(channel
->ccwdev
,
1429 &channel
->ccw
, (addr_t
) iob
, 0, 0);
1430 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1433 QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc
);
1434 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
1435 atomic_set(&channel
->irq_pending
, 0);
1436 wake_up(&card
->wait_q
);
1439 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1440 channel
->state
== CH_STATE_UP
, QETH_TIMEOUT
);
1441 if (rc
== -ERESTARTSYS
)
1443 if (channel
->state
!= CH_STATE_UP
) {
1445 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
1446 qeth_clear_cmd_buffers(channel
);
1452 static int qeth_idx_activate_channel(struct qeth_channel
*channel
,
1453 void (*idx_reply_cb
)(struct qeth_channel
*,
1454 struct qeth_cmd_buffer
*))
1456 struct qeth_card
*card
;
1457 struct qeth_cmd_buffer
*iob
;
1458 unsigned long flags
;
1462 struct ccw_dev_id temp_devid
;
1464 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1466 QETH_DBF_TEXT(SETUP
, 2, "idxactch");
1468 iob
= qeth_get_buffer(channel
);
1469 iob
->callback
= idx_reply_cb
;
1470 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
1471 channel
->ccw
.count
= IDX_ACTIVATE_SIZE
;
1472 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1473 if (channel
== &card
->write
) {
1474 memcpy(iob
->data
, IDX_ACTIVATE_WRITE
, IDX_ACTIVATE_SIZE
);
1475 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1476 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1477 card
->seqno
.trans_hdr
++;
1479 memcpy(iob
->data
, IDX_ACTIVATE_READ
, IDX_ACTIVATE_SIZE
);
1480 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1481 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1483 tmp
= ((__u8
)card
->info
.portno
) | 0x80;
1484 memcpy(QETH_IDX_ACT_PNO(iob
->data
), &tmp
, 1);
1485 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1486 &card
->token
.issuer_rm_w
, QETH_MPC_TOKEN_LENGTH
);
1487 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob
->data
),
1488 &card
->info
.func_level
, sizeof(__u16
));
1489 ccw_device_get_id(CARD_DDEV(card
), &temp_devid
);
1490 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob
->data
), &temp_devid
.devno
, 2);
1491 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
1492 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob
->data
), &temp
, 2);
1494 wait_event(card
->wait_q
,
1495 atomic_cmpxchg(&channel
->irq_pending
, 0, 1) == 0);
1496 QETH_DBF_TEXT(SETUP
, 6, "noirqpnd");
1497 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1498 rc
= ccw_device_start(channel
->ccwdev
,
1499 &channel
->ccw
, (addr_t
) iob
, 0, 0);
1500 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1503 QETH_DBF_MESSAGE(2, "Error1 in activating channel. rc=%d\n",
1505 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
1506 atomic_set(&channel
->irq_pending
, 0);
1507 wake_up(&card
->wait_q
);
1510 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1511 channel
->state
== CH_STATE_ACTIVATING
, QETH_TIMEOUT
);
1512 if (rc
== -ERESTARTSYS
)
1514 if (channel
->state
!= CH_STATE_ACTIVATING
) {
1515 PRINT_WARN("IDX activate timed out!\n");
1516 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", -ETIME
);
1517 qeth_clear_cmd_buffers(channel
);
1520 return qeth_idx_activate_get_answer(channel
, idx_reply_cb
);
1523 static int qeth_peer_func_level(int level
)
1525 if ((level
& 0xff) == 8)
1526 return (level
& 0xff) + 0x400;
1527 if (((level
>> 8) & 3) == 1)
1528 return (level
& 0xff) + 0x200;
1532 static void qeth_idx_write_cb(struct qeth_channel
*channel
,
1533 struct qeth_cmd_buffer
*iob
)
1535 struct qeth_card
*card
;
1538 QETH_DBF_TEXT(SETUP
, 2, "idxwrcb");
1540 if (channel
->state
== CH_STATE_DOWN
) {
1541 channel
->state
= CH_STATE_ACTIVATING
;
1544 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1546 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1547 if (QETH_IDX_ACT_CAUSE_CODE(iob
->data
) == 0x19)
1548 PRINT_ERR("IDX_ACTIVATE on write channel device %s: "
1549 "adapter exclusively used by another host\n",
1550 CARD_WDEV_ID(card
));
1552 PRINT_ERR("IDX_ACTIVATE on write channel device %s: "
1553 "negative reply\n", CARD_WDEV_ID(card
));
1556 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1557 if ((temp
& ~0x0100) != qeth_peer_func_level(card
->info
.func_level
)) {
1558 PRINT_WARN("IDX_ACTIVATE on write channel device %s: "
1559 "function level mismatch "
1560 "(sent: 0x%x, received: 0x%x)\n",
1561 CARD_WDEV_ID(card
), card
->info
.func_level
, temp
);
1564 channel
->state
= CH_STATE_UP
;
1566 qeth_release_buffer(channel
, iob
);
1569 static void qeth_idx_read_cb(struct qeth_channel
*channel
,
1570 struct qeth_cmd_buffer
*iob
)
1572 struct qeth_card
*card
;
1575 QETH_DBF_TEXT(SETUP
, 2, "idxrdcb");
1576 if (channel
->state
== CH_STATE_DOWN
) {
1577 channel
->state
= CH_STATE_ACTIVATING
;
1581 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1582 if (qeth_check_idx_response(iob
->data
))
1585 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1586 if (QETH_IDX_ACT_CAUSE_CODE(iob
->data
) == 0x19)
1587 PRINT_ERR("IDX_ACTIVATE on read channel device %s: "
1588 "adapter exclusively used by another host\n",
1589 CARD_RDEV_ID(card
));
1591 PRINT_ERR("IDX_ACTIVATE on read channel device %s: "
1592 "negative reply\n", CARD_RDEV_ID(card
));
1597 * temporary fix for microcode bug
1598 * to revert it,replace OR by AND
1600 if ((!QETH_IDX_NO_PORTNAME_REQUIRED(iob
->data
)) ||
1601 (card
->info
.type
== QETH_CARD_TYPE_OSAE
))
1602 card
->info
.portname_required
= 1;
1604 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1605 if (temp
!= qeth_peer_func_level(card
->info
.func_level
)) {
1606 PRINT_WARN("IDX_ACTIVATE on read channel device %s: function "
1607 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1608 CARD_RDEV_ID(card
), card
->info
.func_level
, temp
);
1611 memcpy(&card
->token
.issuer_rm_r
,
1612 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1613 QETH_MPC_TOKEN_LENGTH
);
1614 memcpy(&card
->info
.mcl_level
[0],
1615 QETH_IDX_REPLY_LEVEL(iob
->data
), QETH_MCL_LENGTH
);
1616 channel
->state
= CH_STATE_UP
;
1618 qeth_release_buffer(channel
, iob
);
1621 void qeth_prepare_control_data(struct qeth_card
*card
, int len
,
1622 struct qeth_cmd_buffer
*iob
)
1624 qeth_setup_ccw(&card
->write
, iob
->data
, len
);
1625 iob
->callback
= qeth_release_buffer
;
1627 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1628 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1629 card
->seqno
.trans_hdr
++;
1630 memcpy(QETH_PDU_HEADER_SEQ_NO(iob
->data
),
1631 &card
->seqno
.pdu_hdr
, QETH_SEQ_NO_LENGTH
);
1632 card
->seqno
.pdu_hdr
++;
1633 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob
->data
),
1634 &card
->seqno
.pdu_hdr_ack
, QETH_SEQ_NO_LENGTH
);
1635 QETH_DBF_HEX(CTRL
, 2, iob
->data
, QETH_DBF_CTRL_LEN
);
1637 EXPORT_SYMBOL_GPL(qeth_prepare_control_data
);
1639 int qeth_send_control_data(struct qeth_card
*card
, int len
,
1640 struct qeth_cmd_buffer
*iob
,
1641 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
1646 unsigned long flags
;
1647 struct qeth_reply
*reply
= NULL
;
1648 unsigned long timeout
;
1650 QETH_DBF_TEXT(TRACE
, 2, "sendctl");
1652 reply
= qeth_alloc_reply(card
);
1656 reply
->callback
= reply_cb
;
1657 reply
->param
= reply_param
;
1658 if (card
->state
== CARD_STATE_DOWN
)
1659 reply
->seqno
= QETH_IDX_COMMAND_SEQNO
;
1661 reply
->seqno
= card
->seqno
.ipa
++;
1662 init_waitqueue_head(&reply
->wait_q
);
1663 spin_lock_irqsave(&card
->lock
, flags
);
1664 list_add_tail(&reply
->list
, &card
->cmd_waiter_list
);
1665 spin_unlock_irqrestore(&card
->lock
, flags
);
1666 QETH_DBF_HEX(CTRL
, 2, iob
->data
, QETH_DBF_CTRL_LEN
);
1668 while (atomic_cmpxchg(&card
->write
.irq_pending
, 0, 1)) ;
1669 qeth_prepare_control_data(card
, len
, iob
);
1671 if (IS_IPA(iob
->data
))
1672 timeout
= jiffies
+ QETH_IPA_TIMEOUT
;
1674 timeout
= jiffies
+ QETH_TIMEOUT
;
1676 QETH_DBF_TEXT(TRACE
, 6, "noirqpnd");
1677 spin_lock_irqsave(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
1678 rc
= ccw_device_start(card
->write
.ccwdev
, &card
->write
.ccw
,
1679 (addr_t
) iob
, 0, 0);
1680 spin_unlock_irqrestore(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
1682 PRINT_WARN("qeth_send_control_data: "
1683 "ccw_device_start rc = %i\n", rc
);
1684 QETH_DBF_TEXT_(TRACE
, 2, " err%d", rc
);
1685 spin_lock_irqsave(&card
->lock
, flags
);
1686 list_del_init(&reply
->list
);
1687 qeth_put_reply(reply
);
1688 spin_unlock_irqrestore(&card
->lock
, flags
);
1689 qeth_release_buffer(iob
->channel
, iob
);
1690 atomic_set(&card
->write
.irq_pending
, 0);
1691 wake_up(&card
->wait_q
);
1694 while (!atomic_read(&reply
->received
)) {
1695 if (time_after(jiffies
, timeout
)) {
1696 spin_lock_irqsave(&reply
->card
->lock
, flags
);
1697 list_del_init(&reply
->list
);
1698 spin_unlock_irqrestore(&reply
->card
->lock
, flags
);
1700 atomic_inc(&reply
->received
);
1701 wake_up(&reply
->wait_q
);
1706 qeth_put_reply(reply
);
1709 EXPORT_SYMBOL_GPL(qeth_send_control_data
);
1711 static int qeth_cm_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1714 struct qeth_cmd_buffer
*iob
;
1716 QETH_DBF_TEXT(SETUP
, 2, "cmenblcb");
1718 iob
= (struct qeth_cmd_buffer
*) data
;
1719 memcpy(&card
->token
.cm_filter_r
,
1720 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
1721 QETH_MPC_TOKEN_LENGTH
);
1722 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1726 static int qeth_cm_enable(struct qeth_card
*card
)
1729 struct qeth_cmd_buffer
*iob
;
1731 QETH_DBF_TEXT(SETUP
, 2, "cmenable");
1733 iob
= qeth_wait_for_buffer(&card
->write
);
1734 memcpy(iob
->data
, CM_ENABLE
, CM_ENABLE_SIZE
);
1735 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob
->data
),
1736 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
1737 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob
->data
),
1738 &card
->token
.cm_filter_w
, QETH_MPC_TOKEN_LENGTH
);
1740 rc
= qeth_send_control_data(card
, CM_ENABLE_SIZE
, iob
,
1741 qeth_cm_enable_cb
, NULL
);
1745 static int qeth_cm_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1749 struct qeth_cmd_buffer
*iob
;
1751 QETH_DBF_TEXT(SETUP
, 2, "cmsetpcb");
1753 iob
= (struct qeth_cmd_buffer
*) data
;
1754 memcpy(&card
->token
.cm_connection_r
,
1755 QETH_CM_SETUP_RESP_DEST_ADDR(iob
->data
),
1756 QETH_MPC_TOKEN_LENGTH
);
1757 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1761 static int qeth_cm_setup(struct qeth_card
*card
)
1764 struct qeth_cmd_buffer
*iob
;
1766 QETH_DBF_TEXT(SETUP
, 2, "cmsetup");
1768 iob
= qeth_wait_for_buffer(&card
->write
);
1769 memcpy(iob
->data
, CM_SETUP
, CM_SETUP_SIZE
);
1770 memcpy(QETH_CM_SETUP_DEST_ADDR(iob
->data
),
1771 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
1772 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob
->data
),
1773 &card
->token
.cm_connection_w
, QETH_MPC_TOKEN_LENGTH
);
1774 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob
->data
),
1775 &card
->token
.cm_filter_r
, QETH_MPC_TOKEN_LENGTH
);
1776 rc
= qeth_send_control_data(card
, CM_SETUP_SIZE
, iob
,
1777 qeth_cm_setup_cb
, NULL
);
1782 static inline int qeth_get_initial_mtu_for_card(struct qeth_card
*card
)
1784 switch (card
->info
.type
) {
1785 case QETH_CARD_TYPE_UNKNOWN
:
1787 case QETH_CARD_TYPE_IQD
:
1788 return card
->info
.max_mtu
;
1789 case QETH_CARD_TYPE_OSAE
:
1790 switch (card
->info
.link_type
) {
1791 case QETH_LINK_TYPE_HSTR
:
1792 case QETH_LINK_TYPE_LANE_TR
:
1802 static inline int qeth_get_max_mtu_for_card(int cardtype
)
1806 case QETH_CARD_TYPE_UNKNOWN
:
1807 case QETH_CARD_TYPE_OSAE
:
1808 case QETH_CARD_TYPE_OSN
:
1810 case QETH_CARD_TYPE_IQD
:
1817 static inline int qeth_get_mtu_out_of_mpc(int cardtype
)
1820 case QETH_CARD_TYPE_IQD
:
1827 static inline int qeth_get_mtu_outof_framesize(int framesize
)
1829 switch (framesize
) {
1843 static inline int qeth_mtu_is_valid(struct qeth_card
*card
, int mtu
)
1845 switch (card
->info
.type
) {
1846 case QETH_CARD_TYPE_OSAE
:
1847 return ((mtu
>= 576) && (mtu
<= 61440));
1848 case QETH_CARD_TYPE_IQD
:
1849 return ((mtu
>= 576) &&
1850 (mtu
<= card
->info
.max_mtu
+ 4096 - 32));
1851 case QETH_CARD_TYPE_OSN
:
1852 case QETH_CARD_TYPE_UNKNOWN
:
1858 static int qeth_ulp_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1862 __u16 mtu
, framesize
;
1865 struct qeth_cmd_buffer
*iob
;
1867 QETH_DBF_TEXT(SETUP
, 2, "ulpenacb");
1869 iob
= (struct qeth_cmd_buffer
*) data
;
1870 memcpy(&card
->token
.ulp_filter_r
,
1871 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
1872 QETH_MPC_TOKEN_LENGTH
);
1873 if (qeth_get_mtu_out_of_mpc(card
->info
.type
)) {
1874 memcpy(&framesize
, QETH_ULP_ENABLE_RESP_MAX_MTU(iob
->data
), 2);
1875 mtu
= qeth_get_mtu_outof_framesize(framesize
);
1878 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1881 card
->info
.max_mtu
= mtu
;
1882 card
->info
.initial_mtu
= mtu
;
1883 card
->qdio
.in_buf_size
= mtu
+ 2 * PAGE_SIZE
;
1885 card
->info
.initial_mtu
= qeth_get_initial_mtu_for_card(card
);
1886 card
->info
.max_mtu
= qeth_get_max_mtu_for_card(card
->info
.type
);
1887 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
1890 memcpy(&len
, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob
->data
), 2);
1891 if (len
>= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE
) {
1893 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob
->data
), 1);
1894 card
->info
.link_type
= link_type
;
1896 card
->info
.link_type
= 0;
1897 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1901 static int qeth_ulp_enable(struct qeth_card
*card
)
1905 struct qeth_cmd_buffer
*iob
;
1907 /*FIXME: trace view callbacks*/
1908 QETH_DBF_TEXT(SETUP
, 2, "ulpenabl");
1910 iob
= qeth_wait_for_buffer(&card
->write
);
1911 memcpy(iob
->data
, ULP_ENABLE
, ULP_ENABLE_SIZE
);
1913 *(QETH_ULP_ENABLE_LINKNUM(iob
->data
)) =
1914 (__u8
) card
->info
.portno
;
1915 if (card
->options
.layer2
)
1916 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
1917 prot_type
= QETH_PROT_OSN2
;
1919 prot_type
= QETH_PROT_LAYER2
;
1921 prot_type
= QETH_PROT_TCPIP
;
1923 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob
->data
), &prot_type
, 1);
1924 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob
->data
),
1925 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
1926 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob
->data
),
1927 &card
->token
.ulp_filter_w
, QETH_MPC_TOKEN_LENGTH
);
1928 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob
->data
),
1929 card
->info
.portname
, 9);
1930 rc
= qeth_send_control_data(card
, ULP_ENABLE_SIZE
, iob
,
1931 qeth_ulp_enable_cb
, NULL
);
1936 static int qeth_ulp_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
1939 struct qeth_cmd_buffer
*iob
;
1941 QETH_DBF_TEXT(SETUP
, 2, "ulpstpcb");
1943 iob
= (struct qeth_cmd_buffer
*) data
;
1944 memcpy(&card
->token
.ulp_connection_r
,
1945 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob
->data
),
1946 QETH_MPC_TOKEN_LENGTH
);
1947 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
1951 static int qeth_ulp_setup(struct qeth_card
*card
)
1955 struct qeth_cmd_buffer
*iob
;
1956 struct ccw_dev_id dev_id
;
1958 QETH_DBF_TEXT(SETUP
, 2, "ulpsetup");
1960 iob
= qeth_wait_for_buffer(&card
->write
);
1961 memcpy(iob
->data
, ULP_SETUP
, ULP_SETUP_SIZE
);
1963 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob
->data
),
1964 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
1965 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob
->data
),
1966 &card
->token
.ulp_connection_w
, QETH_MPC_TOKEN_LENGTH
);
1967 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob
->data
),
1968 &card
->token
.ulp_filter_r
, QETH_MPC_TOKEN_LENGTH
);
1970 ccw_device_get_id(CARD_DDEV(card
), &dev_id
);
1971 memcpy(QETH_ULP_SETUP_CUA(iob
->data
), &dev_id
.devno
, 2);
1972 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
1973 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob
->data
), &temp
, 2);
1974 rc
= qeth_send_control_data(card
, ULP_SETUP_SIZE
, iob
,
1975 qeth_ulp_setup_cb
, NULL
);
1979 static int qeth_alloc_qdio_buffers(struct qeth_card
*card
)
1983 QETH_DBF_TEXT(SETUP
, 2, "allcqdbf");
1985 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
,
1986 QETH_QDIO_ALLOCATED
) != QETH_QDIO_UNINITIALIZED
)
1989 card
->qdio
.in_q
= kmalloc(sizeof(struct qeth_qdio_q
),
1991 if (!card
->qdio
.in_q
)
1993 QETH_DBF_TEXT(SETUP
, 2, "inq");
1994 QETH_DBF_HEX(SETUP
, 2, &card
->qdio
.in_q
, sizeof(void *));
1995 memset(card
->qdio
.in_q
, 0, sizeof(struct qeth_qdio_q
));
1996 /* give inbound qeth_qdio_buffers their qdio_buffers */
1997 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
)
1998 card
->qdio
.in_q
->bufs
[i
].buffer
=
1999 &card
->qdio
.in_q
->qdio_bufs
[i
];
2000 /* inbound buffer pool */
2001 if (qeth_alloc_buffer_pool(card
))
2005 kmalloc(card
->qdio
.no_out_queues
*
2006 sizeof(struct qeth_qdio_out_q
*), GFP_KERNEL
);
2007 if (!card
->qdio
.out_qs
)
2009 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
2010 card
->qdio
.out_qs
[i
] = kmalloc(sizeof(struct qeth_qdio_out_q
),
2012 if (!card
->qdio
.out_qs
[i
])
2014 QETH_DBF_TEXT_(SETUP
, 2, "outq %i", i
);
2015 QETH_DBF_HEX(SETUP
, 2, &card
->qdio
.out_qs
[i
], sizeof(void *));
2016 memset(card
->qdio
.out_qs
[i
], 0, sizeof(struct qeth_qdio_out_q
));
2017 card
->qdio
.out_qs
[i
]->queue_no
= i
;
2018 /* give outbound qeth_qdio_buffers their qdio_buffers */
2019 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
2020 card
->qdio
.out_qs
[i
]->bufs
[j
].buffer
=
2021 &card
->qdio
.out_qs
[i
]->qdio_bufs
[j
];
2022 skb_queue_head_init(&card
->qdio
.out_qs
[i
]->bufs
[j
].
2025 &card
->qdio
.out_qs
[i
]->bufs
[j
].skb_list
.lock
,
2026 &qdio_out_skb_queue_key
);
2027 INIT_LIST_HEAD(&card
->qdio
.out_qs
[i
]->bufs
[j
].ctx_list
);
2034 kfree(card
->qdio
.out_qs
[--i
]);
2035 kfree(card
->qdio
.out_qs
);
2036 card
->qdio
.out_qs
= NULL
;
2038 qeth_free_buffer_pool(card
);
2040 kfree(card
->qdio
.in_q
);
2041 card
->qdio
.in_q
= NULL
;
2043 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
2047 static void qeth_create_qib_param_field(struct qeth_card
*card
,
2051 param_field
[0] = _ascebc
['P'];
2052 param_field
[1] = _ascebc
['C'];
2053 param_field
[2] = _ascebc
['I'];
2054 param_field
[3] = _ascebc
['T'];
2055 *((unsigned int *) (¶m_field
[4])) = QETH_PCI_THRESHOLD_A(card
);
2056 *((unsigned int *) (¶m_field
[8])) = QETH_PCI_THRESHOLD_B(card
);
2057 *((unsigned int *) (¶m_field
[12])) = QETH_PCI_TIMER_VALUE(card
);
2060 static void qeth_create_qib_param_field_blkt(struct qeth_card
*card
,
2063 param_field
[16] = _ascebc
['B'];
2064 param_field
[17] = _ascebc
['L'];
2065 param_field
[18] = _ascebc
['K'];
2066 param_field
[19] = _ascebc
['T'];
2067 *((unsigned int *) (¶m_field
[20])) = card
->info
.blkt
.time_total
;
2068 *((unsigned int *) (¶m_field
[24])) = card
->info
.blkt
.inter_packet
;
2069 *((unsigned int *) (¶m_field
[28])) =
2070 card
->info
.blkt
.inter_packet_jumbo
;
2073 static int qeth_qdio_activate(struct qeth_card
*card
)
2075 QETH_DBF_TEXT(SETUP
, 3, "qdioact");
2076 return qdio_activate(CARD_DDEV(card
));
2079 static int qeth_dm_act(struct qeth_card
*card
)
2082 struct qeth_cmd_buffer
*iob
;
2084 QETH_DBF_TEXT(SETUP
, 2, "dmact");
2086 iob
= qeth_wait_for_buffer(&card
->write
);
2087 memcpy(iob
->data
, DM_ACT
, DM_ACT_SIZE
);
2089 memcpy(QETH_DM_ACT_DEST_ADDR(iob
->data
),
2090 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2091 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob
->data
),
2092 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2093 rc
= qeth_send_control_data(card
, DM_ACT_SIZE
, iob
, NULL
, NULL
);
2097 static int qeth_mpc_initialize(struct qeth_card
*card
)
2101 QETH_DBF_TEXT(SETUP
, 2, "mpcinit");
2103 rc
= qeth_issue_next_read(card
);
2105 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
2108 rc
= qeth_cm_enable(card
);
2110 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
2113 rc
= qeth_cm_setup(card
);
2115 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
2118 rc
= qeth_ulp_enable(card
);
2120 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
2123 rc
= qeth_ulp_setup(card
);
2125 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
2128 rc
= qeth_alloc_qdio_buffers(card
);
2130 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
2133 rc
= qeth_qdio_establish(card
);
2135 QETH_DBF_TEXT_(SETUP
, 2, "6err%d", rc
);
2136 qeth_free_qdio_buffers(card
);
2139 rc
= qeth_qdio_activate(card
);
2141 QETH_DBF_TEXT_(SETUP
, 2, "7err%d", rc
);
2144 rc
= qeth_dm_act(card
);
2146 QETH_DBF_TEXT_(SETUP
, 2, "8err%d", rc
);
2152 qeth_qdio_clear_card(card
, card
->info
.type
!= QETH_CARD_TYPE_IQD
);
2156 static void qeth_print_status_with_portname(struct qeth_card
*card
)
2161 sprintf(dbf_text
, "%s", card
->info
.portname
+ 1);
2162 for (i
= 0; i
< 8; i
++)
2164 (char) _ebcasc
[(__u8
) dbf_text
[i
]];
2166 PRINT_INFO("Device %s/%s/%s is a%s card%s%s%s\n"
2167 "with link type %s (portname: %s)\n",
2171 qeth_get_cardname(card
),
2172 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2173 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2174 (card
->info
.mcl_level
[0]) ? ")" : "",
2175 qeth_get_cardname_short(card
),
2180 static void qeth_print_status_no_portname(struct qeth_card
*card
)
2182 if (card
->info
.portname
[0])
2183 PRINT_INFO("Device %s/%s/%s is a%s "
2184 "card%s%s%s\nwith link type %s "
2185 "(no portname needed by interface).\n",
2189 qeth_get_cardname(card
),
2190 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2191 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2192 (card
->info
.mcl_level
[0]) ? ")" : "",
2193 qeth_get_cardname_short(card
));
2195 PRINT_INFO("Device %s/%s/%s is a%s "
2196 "card%s%s%s\nwith link type %s.\n",
2200 qeth_get_cardname(card
),
2201 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2202 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2203 (card
->info
.mcl_level
[0]) ? ")" : "",
2204 qeth_get_cardname_short(card
));
2207 void qeth_print_status_message(struct qeth_card
*card
)
2209 switch (card
->info
.type
) {
2210 case QETH_CARD_TYPE_OSAE
:
2211 /* VM will use a non-zero first character
2212 * to indicate a HiperSockets like reporting
2213 * of the level OSA sets the first character to zero
2215 if (!card
->info
.mcl_level
[0]) {
2216 sprintf(card
->info
.mcl_level
, "%02x%02x",
2217 card
->info
.mcl_level
[2],
2218 card
->info
.mcl_level
[3]);
2220 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
2224 case QETH_CARD_TYPE_IQD
:
2225 if (card
->info
.guestlan
) {
2226 card
->info
.mcl_level
[0] = (char) _ebcasc
[(__u8
)
2227 card
->info
.mcl_level
[0]];
2228 card
->info
.mcl_level
[1] = (char) _ebcasc
[(__u8
)
2229 card
->info
.mcl_level
[1]];
2230 card
->info
.mcl_level
[2] = (char) _ebcasc
[(__u8
)
2231 card
->info
.mcl_level
[2]];
2232 card
->info
.mcl_level
[3] = (char) _ebcasc
[(__u8
)
2233 card
->info
.mcl_level
[3]];
2234 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
2238 memset(&card
->info
.mcl_level
[0], 0, QETH_MCL_LENGTH
+ 1);
2240 if (card
->info
.portname_required
)
2241 qeth_print_status_with_portname(card
);
2243 qeth_print_status_no_portname(card
);
2245 EXPORT_SYMBOL_GPL(qeth_print_status_message
);
2247 static void qeth_initialize_working_pool_list(struct qeth_card
*card
)
2249 struct qeth_buffer_pool_entry
*entry
;
2251 QETH_DBF_TEXT(TRACE
, 5, "inwrklst");
2253 list_for_each_entry(entry
,
2254 &card
->qdio
.init_pool
.entry_list
, init_list
) {
2255 qeth_put_buffer_pool_entry(card
, entry
);
2259 static inline struct qeth_buffer_pool_entry
*qeth_find_free_buffer_pool_entry(
2260 struct qeth_card
*card
)
2262 struct list_head
*plh
;
2263 struct qeth_buffer_pool_entry
*entry
;
2267 if (list_empty(&card
->qdio
.in_buf_pool
.entry_list
))
2270 list_for_each(plh
, &card
->qdio
.in_buf_pool
.entry_list
) {
2271 entry
= list_entry(plh
, struct qeth_buffer_pool_entry
, list
);
2273 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2274 if (page_count(virt_to_page(entry
->elements
[i
])) > 1) {
2280 list_del_init(&entry
->list
);
2285 /* no free buffer in pool so take first one and swap pages */
2286 entry
= list_entry(card
->qdio
.in_buf_pool
.entry_list
.next
,
2287 struct qeth_buffer_pool_entry
, list
);
2288 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2289 if (page_count(virt_to_page(entry
->elements
[i
])) > 1) {
2290 page
= alloc_page(GFP_ATOMIC
);
2294 free_page((unsigned long)entry
->elements
[i
]);
2295 entry
->elements
[i
] = page_address(page
);
2296 if (card
->options
.performance_stats
)
2297 card
->perf_stats
.sg_alloc_page_rx
++;
2301 list_del_init(&entry
->list
);
2305 static int qeth_init_input_buffer(struct qeth_card
*card
,
2306 struct qeth_qdio_buffer
*buf
)
2308 struct qeth_buffer_pool_entry
*pool_entry
;
2311 pool_entry
= qeth_find_free_buffer_pool_entry(card
);
2316 * since the buffer is accessed only from the input_tasklet
2317 * there shouldn't be a need to synchronize; also, since we use
2318 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2321 BUG_ON(!pool_entry
);
2323 buf
->pool_entry
= pool_entry
;
2324 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2325 buf
->buffer
->element
[i
].length
= PAGE_SIZE
;
2326 buf
->buffer
->element
[i
].addr
= pool_entry
->elements
[i
];
2327 if (i
== QETH_MAX_BUFFER_ELEMENTS(card
) - 1)
2328 buf
->buffer
->element
[i
].flags
= SBAL_FLAGS_LAST_ENTRY
;
2330 buf
->buffer
->element
[i
].flags
= 0;
2335 int qeth_init_qdio_queues(struct qeth_card
*card
)
2340 QETH_DBF_TEXT(SETUP
, 2, "initqdqs");
2343 memset(card
->qdio
.in_q
->qdio_bufs
, 0,
2344 QDIO_MAX_BUFFERS_PER_Q
* sizeof(struct qdio_buffer
));
2345 qeth_initialize_working_pool_list(card
);
2346 /*give only as many buffers to hardware as we have buffer pool entries*/
2347 for (i
= 0; i
< card
->qdio
.in_buf_pool
.buf_count
- 1; ++i
)
2348 qeth_init_input_buffer(card
, &card
->qdio
.in_q
->bufs
[i
]);
2349 card
->qdio
.in_q
->next_buf_to_init
=
2350 card
->qdio
.in_buf_pool
.buf_count
- 1;
2351 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0, 0,
2352 card
->qdio
.in_buf_pool
.buf_count
- 1);
2354 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
2357 /* outbound queue */
2358 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
2359 memset(card
->qdio
.out_qs
[i
]->qdio_bufs
, 0,
2360 QDIO_MAX_BUFFERS_PER_Q
* sizeof(struct qdio_buffer
));
2361 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
2362 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
2363 &card
->qdio
.out_qs
[i
]->bufs
[j
]);
2365 card
->qdio
.out_qs
[i
]->card
= card
;
2366 card
->qdio
.out_qs
[i
]->next_buf_to_fill
= 0;
2367 card
->qdio
.out_qs
[i
]->do_pack
= 0;
2368 atomic_set(&card
->qdio
.out_qs
[i
]->used_buffers
, 0);
2369 atomic_set(&card
->qdio
.out_qs
[i
]->set_pci_flags_count
, 0);
2370 atomic_set(&card
->qdio
.out_qs
[i
]->state
,
2371 QETH_OUT_Q_UNLOCKED
);
2375 EXPORT_SYMBOL_GPL(qeth_init_qdio_queues
);
2377 static inline __u8
qeth_get_ipa_adp_type(enum qeth_link_types link_type
)
2379 switch (link_type
) {
2380 case QETH_LINK_TYPE_HSTR
:
2387 static void qeth_fill_ipacmd_header(struct qeth_card
*card
,
2388 struct qeth_ipa_cmd
*cmd
, __u8 command
,
2389 enum qeth_prot_versions prot
)
2391 memset(cmd
, 0, sizeof(struct qeth_ipa_cmd
));
2392 cmd
->hdr
.command
= command
;
2393 cmd
->hdr
.initiator
= IPA_CMD_INITIATOR_HOST
;
2394 cmd
->hdr
.seqno
= card
->seqno
.ipa
;
2395 cmd
->hdr
.adapter_type
= qeth_get_ipa_adp_type(card
->info
.link_type
);
2396 cmd
->hdr
.rel_adapter_no
= (__u8
) card
->info
.portno
;
2397 if (card
->options
.layer2
)
2398 cmd
->hdr
.prim_version_no
= 2;
2400 cmd
->hdr
.prim_version_no
= 1;
2401 cmd
->hdr
.param_count
= 1;
2402 cmd
->hdr
.prot_version
= prot
;
2403 cmd
->hdr
.ipa_supported
= 0;
2404 cmd
->hdr
.ipa_enabled
= 0;
2407 struct qeth_cmd_buffer
*qeth_get_ipacmd_buffer(struct qeth_card
*card
,
2408 enum qeth_ipa_cmds ipacmd
, enum qeth_prot_versions prot
)
2410 struct qeth_cmd_buffer
*iob
;
2411 struct qeth_ipa_cmd
*cmd
;
2413 iob
= qeth_wait_for_buffer(&card
->write
);
2414 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2415 qeth_fill_ipacmd_header(card
, cmd
, ipacmd
, prot
);
2419 EXPORT_SYMBOL_GPL(qeth_get_ipacmd_buffer
);
2421 void qeth_prepare_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
2424 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
2425 memcpy(QETH_IPA_CMD_PROT_TYPE(iob
->data
), &prot_type
, 1);
2426 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
2427 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2429 EXPORT_SYMBOL_GPL(qeth_prepare_ipa_cmd
);
2431 int qeth_send_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
2432 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
2439 QETH_DBF_TEXT(TRACE
, 4, "sendipa");
2441 if (card
->options
.layer2
)
2442 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2443 prot_type
= QETH_PROT_OSN2
;
2445 prot_type
= QETH_PROT_LAYER2
;
2447 prot_type
= QETH_PROT_TCPIP
;
2448 qeth_prepare_ipa_cmd(card
, iob
, prot_type
);
2449 rc
= qeth_send_control_data(card
, IPA_CMD_LENGTH
,
2450 iob
, reply_cb
, reply_param
);
2453 EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd
);
2455 static int qeth_send_startstoplan(struct qeth_card
*card
,
2456 enum qeth_ipa_cmds ipacmd
, enum qeth_prot_versions prot
)
2459 struct qeth_cmd_buffer
*iob
;
2461 iob
= qeth_get_ipacmd_buffer(card
, ipacmd
, prot
);
2462 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
2467 int qeth_send_startlan(struct qeth_card
*card
)
2471 QETH_DBF_TEXT(SETUP
, 2, "strtlan");
2473 rc
= qeth_send_startstoplan(card
, IPA_CMD_STARTLAN
, 0);
2476 EXPORT_SYMBOL_GPL(qeth_send_startlan
);
2478 int qeth_send_stoplan(struct qeth_card
*card
)
2483 * TODO: according to the IPA format document page 14,
2484 * TCP/IP (we!) never issue a STOPLAN
2487 QETH_DBF_TEXT(SETUP
, 2, "stoplan");
2489 rc
= qeth_send_startstoplan(card
, IPA_CMD_STOPLAN
, 0);
2492 EXPORT_SYMBOL_GPL(qeth_send_stoplan
);
2494 int qeth_default_setadapterparms_cb(struct qeth_card
*card
,
2495 struct qeth_reply
*reply
, unsigned long data
)
2497 struct qeth_ipa_cmd
*cmd
;
2499 QETH_DBF_TEXT(TRACE
, 4, "defadpcb");
2501 cmd
= (struct qeth_ipa_cmd
*) data
;
2502 if (cmd
->hdr
.return_code
== 0)
2503 cmd
->hdr
.return_code
=
2504 cmd
->data
.setadapterparms
.hdr
.return_code
;
2507 EXPORT_SYMBOL_GPL(qeth_default_setadapterparms_cb
);
2509 static int qeth_query_setadapterparms_cb(struct qeth_card
*card
,
2510 struct qeth_reply
*reply
, unsigned long data
)
2512 struct qeth_ipa_cmd
*cmd
;
2514 QETH_DBF_TEXT(TRACE
, 3, "quyadpcb");
2516 cmd
= (struct qeth_ipa_cmd
*) data
;
2517 if (cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
& 0x7f)
2518 card
->info
.link_type
=
2519 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
;
2520 card
->options
.adp
.supported_funcs
=
2521 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.supported_cmds
;
2522 return qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
2525 struct qeth_cmd_buffer
*qeth_get_adapter_cmd(struct qeth_card
*card
,
2526 __u32 command
, __u32 cmdlen
)
2528 struct qeth_cmd_buffer
*iob
;
2529 struct qeth_ipa_cmd
*cmd
;
2531 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SETADAPTERPARMS
,
2533 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2534 cmd
->data
.setadapterparms
.hdr
.cmdlength
= cmdlen
;
2535 cmd
->data
.setadapterparms
.hdr
.command_code
= command
;
2536 cmd
->data
.setadapterparms
.hdr
.used_total
= 1;
2537 cmd
->data
.setadapterparms
.hdr
.seq_no
= 1;
2541 EXPORT_SYMBOL_GPL(qeth_get_adapter_cmd
);
2543 int qeth_query_setadapterparms(struct qeth_card
*card
)
2546 struct qeth_cmd_buffer
*iob
;
2548 QETH_DBF_TEXT(TRACE
, 3, "queryadp");
2549 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_QUERY_COMMANDS_SUPPORTED
,
2550 sizeof(struct qeth_ipacmd_setadpparms
));
2551 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_query_setadapterparms_cb
, NULL
);
2554 EXPORT_SYMBOL_GPL(qeth_query_setadapterparms
);
2556 int qeth_check_qdio_errors(struct qdio_buffer
*buf
, unsigned int qdio_error
,
2557 const char *dbftext
)
2560 QETH_DBF_TEXT(TRACE
, 2, dbftext
);
2561 QETH_DBF_TEXT(QERR
, 2, dbftext
);
2562 QETH_DBF_TEXT_(QERR
, 2, " F15=%02X",
2563 buf
->element
[15].flags
& 0xff);
2564 QETH_DBF_TEXT_(QERR
, 2, " F14=%02X",
2565 buf
->element
[14].flags
& 0xff);
2566 QETH_DBF_TEXT_(QERR
, 2, " qerr=%X", qdio_error
);
2571 EXPORT_SYMBOL_GPL(qeth_check_qdio_errors
);
2573 void qeth_queue_input_buffer(struct qeth_card
*card
, int index
)
2575 struct qeth_qdio_q
*queue
= card
->qdio
.in_q
;
2581 count
= (index
< queue
->next_buf_to_init
)?
2582 card
->qdio
.in_buf_pool
.buf_count
-
2583 (queue
->next_buf_to_init
- index
) :
2584 card
->qdio
.in_buf_pool
.buf_count
-
2585 (queue
->next_buf_to_init
+ QDIO_MAX_BUFFERS_PER_Q
- index
);
2586 /* only requeue at a certain threshold to avoid SIGAs */
2587 if (count
>= QETH_IN_BUF_REQUEUE_THRESHOLD(card
)) {
2588 for (i
= queue
->next_buf_to_init
;
2589 i
< queue
->next_buf_to_init
+ count
; ++i
) {
2590 if (qeth_init_input_buffer(card
,
2591 &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
])) {
2598 if (newcount
< count
) {
2599 /* we are in memory shortage so we switch back to
2600 traditional skb allocation and drop packages */
2601 atomic_set(&card
->force_alloc_skb
, 3);
2604 atomic_add_unless(&card
->force_alloc_skb
, -1, 0);
2608 * according to old code it should be avoided to requeue all
2609 * 128 buffers in order to benefit from PCI avoidance.
2610 * this function keeps at least one buffer (the buffer at
2611 * 'index') un-requeued -> this buffer is the first buffer that
2612 * will be requeued the next time
2614 if (card
->options
.performance_stats
) {
2615 card
->perf_stats
.inbound_do_qdio_cnt
++;
2616 card
->perf_stats
.inbound_do_qdio_start_time
=
2619 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0,
2620 queue
->next_buf_to_init
, count
);
2621 if (card
->options
.performance_stats
)
2622 card
->perf_stats
.inbound_do_qdio_time
+=
2624 card
->perf_stats
.inbound_do_qdio_start_time
;
2626 PRINT_WARN("qeth_queue_input_buffer's do_QDIO "
2627 "return %i (device %s).\n",
2628 rc
, CARD_DDEV_ID(card
));
2629 QETH_DBF_TEXT(TRACE
, 2, "qinberr");
2630 QETH_DBF_TEXT_(TRACE
, 2, "%s", CARD_BUS_ID(card
));
2632 queue
->next_buf_to_init
= (queue
->next_buf_to_init
+ count
) %
2633 QDIO_MAX_BUFFERS_PER_Q
;
2636 EXPORT_SYMBOL_GPL(qeth_queue_input_buffer
);
2638 static int qeth_handle_send_error(struct qeth_card
*card
,
2639 struct qeth_qdio_out_buffer
*buffer
, unsigned int qdio_err
)
2641 int sbalf15
= buffer
->buffer
->element
[15].flags
& 0xff;
2642 int cc
= qdio_err
& 3;
2644 QETH_DBF_TEXT(TRACE
, 6, "hdsnderr");
2645 qeth_check_qdio_errors(buffer
->buffer
, qdio_err
, "qouterr");
2649 QETH_DBF_TEXT(TRACE
, 1, "lnkfail");
2650 QETH_DBF_TEXT_(TRACE
, 1, "%s", CARD_BUS_ID(card
));
2651 QETH_DBF_TEXT_(TRACE
, 1, "%04x %02x",
2652 (u16
)qdio_err
, (u8
)sbalf15
);
2653 return QETH_SEND_ERROR_LINK_FAILURE
;
2655 return QETH_SEND_ERROR_NONE
;
2657 if (qdio_err
& QDIO_ERROR_SIGA_BUSY
) {
2658 QETH_DBF_TEXT(TRACE
, 1, "SIGAcc2B");
2659 QETH_DBF_TEXT_(TRACE
, 1, "%s", CARD_BUS_ID(card
));
2660 return QETH_SEND_ERROR_KICK_IT
;
2662 if ((sbalf15
>= 15) && (sbalf15
<= 31))
2663 return QETH_SEND_ERROR_RETRY
;
2664 return QETH_SEND_ERROR_LINK_FAILURE
;
2665 /* look at qdio_error and sbalf 15 */
2667 QETH_DBF_TEXT(TRACE
, 1, "SIGAcc1");
2668 QETH_DBF_TEXT_(TRACE
, 1, "%s", CARD_BUS_ID(card
));
2669 return QETH_SEND_ERROR_LINK_FAILURE
;
2672 QETH_DBF_TEXT(TRACE
, 1, "SIGAcc3");
2673 QETH_DBF_TEXT_(TRACE
, 1, "%s", CARD_BUS_ID(card
));
2674 return QETH_SEND_ERROR_KICK_IT
;
2679 * Switched to packing state if the number of used buffers on a queue
2680 * reaches a certain limit.
2682 static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q
*queue
)
2684 if (!queue
->do_pack
) {
2685 if (atomic_read(&queue
->used_buffers
)
2686 >= QETH_HIGH_WATERMARK_PACK
){
2687 /* switch non-PACKING -> PACKING */
2688 QETH_DBF_TEXT(TRACE
, 6, "np->pack");
2689 if (queue
->card
->options
.performance_stats
)
2690 queue
->card
->perf_stats
.sc_dp_p
++;
2697 * Switches from packing to non-packing mode. If there is a packing
2698 * buffer on the queue this buffer will be prepared to be flushed.
2699 * In that case 1 is returned to inform the caller. If no buffer
2700 * has to be flushed, zero is returned.
2702 static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q
*queue
)
2704 struct qeth_qdio_out_buffer
*buffer
;
2705 int flush_count
= 0;
2707 if (queue
->do_pack
) {
2708 if (atomic_read(&queue
->used_buffers
)
2709 <= QETH_LOW_WATERMARK_PACK
) {
2710 /* switch PACKING -> non-PACKING */
2711 QETH_DBF_TEXT(TRACE
, 6, "pack->np");
2712 if (queue
->card
->options
.performance_stats
)
2713 queue
->card
->perf_stats
.sc_p_dp
++;
2715 /* flush packing buffers */
2716 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
2717 if ((atomic_read(&buffer
->state
) ==
2718 QETH_QDIO_BUF_EMPTY
) &&
2719 (buffer
->next_element_to_fill
> 0)) {
2720 atomic_set(&buffer
->state
,
2721 QETH_QDIO_BUF_PRIMED
);
2723 queue
->next_buf_to_fill
=
2724 (queue
->next_buf_to_fill
+ 1) %
2725 QDIO_MAX_BUFFERS_PER_Q
;
2733 * Called to flush a packing buffer if no more pci flags are on the queue.
2734 * Checks if there is a packing buffer and prepares it to be flushed.
2735 * In that case returns 1, otherwise zero.
2737 static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q
*queue
)
2739 struct qeth_qdio_out_buffer
*buffer
;
2741 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
2742 if ((atomic_read(&buffer
->state
) == QETH_QDIO_BUF_EMPTY
) &&
2743 (buffer
->next_element_to_fill
> 0)) {
2744 /* it's a packing buffer */
2745 atomic_set(&buffer
->state
, QETH_QDIO_BUF_PRIMED
);
2746 queue
->next_buf_to_fill
=
2747 (queue
->next_buf_to_fill
+ 1) % QDIO_MAX_BUFFERS_PER_Q
;
2753 static void qeth_flush_buffers(struct qeth_qdio_out_q
*queue
, int index
,
2756 struct qeth_qdio_out_buffer
*buf
;
2759 unsigned int qdio_flags
;
2761 for (i
= index
; i
< index
+ count
; ++i
) {
2762 buf
= &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
];
2763 buf
->buffer
->element
[buf
->next_element_to_fill
- 1].flags
|=
2764 SBAL_FLAGS_LAST_ENTRY
;
2766 if (queue
->card
->info
.type
== QETH_CARD_TYPE_IQD
)
2769 if (!queue
->do_pack
) {
2770 if ((atomic_read(&queue
->used_buffers
) >=
2771 (QETH_HIGH_WATERMARK_PACK
-
2772 QETH_WATERMARK_PACK_FUZZ
)) &&
2773 !atomic_read(&queue
->set_pci_flags_count
)) {
2774 /* it's likely that we'll go to packing
2776 atomic_inc(&queue
->set_pci_flags_count
);
2777 buf
->buffer
->element
[0].flags
|= 0x40;
2780 if (!atomic_read(&queue
->set_pci_flags_count
)) {
2782 * there's no outstanding PCI any more, so we
2783 * have to request a PCI to be sure the the PCI
2784 * will wake at some time in the future then we
2785 * can flush packed buffers that might still be
2786 * hanging around, which can happen if no
2787 * further send was requested by the stack
2789 atomic_inc(&queue
->set_pci_flags_count
);
2790 buf
->buffer
->element
[0].flags
|= 0x40;
2795 queue
->card
->dev
->trans_start
= jiffies
;
2796 if (queue
->card
->options
.performance_stats
) {
2797 queue
->card
->perf_stats
.outbound_do_qdio_cnt
++;
2798 queue
->card
->perf_stats
.outbound_do_qdio_start_time
=
2801 qdio_flags
= QDIO_FLAG_SYNC_OUTPUT
;
2802 if (atomic_read(&queue
->set_pci_flags_count
))
2803 qdio_flags
|= QDIO_FLAG_PCI_OUT
;
2804 rc
= do_QDIO(CARD_DDEV(queue
->card
), qdio_flags
,
2805 queue
->queue_no
, index
, count
);
2806 if (queue
->card
->options
.performance_stats
)
2807 queue
->card
->perf_stats
.outbound_do_qdio_time
+=
2809 queue
->card
->perf_stats
.outbound_do_qdio_start_time
;
2811 QETH_DBF_TEXT(TRACE
, 2, "flushbuf");
2812 QETH_DBF_TEXT_(TRACE
, 2, " err%d", rc
);
2813 QETH_DBF_TEXT_(TRACE
, 2, "%s", CARD_DDEV_ID(queue
->card
));
2814 queue
->card
->stats
.tx_errors
+= count
;
2815 /* this must not happen under normal circumstances. if it
2816 * happens something is really wrong -> recover */
2817 qeth_schedule_recovery(queue
->card
);
2820 atomic_add(count
, &queue
->used_buffers
);
2821 if (queue
->card
->options
.performance_stats
)
2822 queue
->card
->perf_stats
.bufs_sent
+= count
;
2825 static void qeth_check_outbound_queue(struct qeth_qdio_out_q
*queue
)
2829 int q_was_packing
= 0;
2832 * check if weed have to switch to non-packing mode or if
2833 * we have to get a pci flag out on the queue
2835 if ((atomic_read(&queue
->used_buffers
) <= QETH_LOW_WATERMARK_PACK
) ||
2836 !atomic_read(&queue
->set_pci_flags_count
)) {
2837 if (atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
) ==
2838 QETH_OUT_Q_UNLOCKED
) {
2840 * If we get in here, there was no action in
2841 * do_send_packet. So, we check if there is a
2842 * packing buffer to be flushed here.
2844 netif_stop_queue(queue
->card
->dev
);
2845 index
= queue
->next_buf_to_fill
;
2846 q_was_packing
= queue
->do_pack
;
2847 /* queue->do_pack may change */
2849 flush_cnt
+= qeth_switch_to_nonpacking_if_needed(queue
);
2851 !atomic_read(&queue
->set_pci_flags_count
))
2853 qeth_flush_buffers_on_no_pci(queue
);
2854 if (queue
->card
->options
.performance_stats
&&
2856 queue
->card
->perf_stats
.bufs_sent_pack
+=
2859 qeth_flush_buffers(queue
, index
, flush_cnt
);
2860 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
2865 void qeth_qdio_output_handler(struct ccw_device
*ccwdev
,
2866 unsigned int qdio_error
, int __queue
, int first_element
,
2867 int count
, unsigned long card_ptr
)
2869 struct qeth_card
*card
= (struct qeth_card
*) card_ptr
;
2870 struct qeth_qdio_out_q
*queue
= card
->qdio
.out_qs
[__queue
];
2871 struct qeth_qdio_out_buffer
*buffer
;
2874 QETH_DBF_TEXT(TRACE
, 6, "qdouhdl");
2875 if (qdio_error
& QDIO_ERROR_ACTIVATE_CHECK_CONDITION
) {
2876 QETH_DBF_TEXT(TRACE
, 2, "achkcond");
2877 QETH_DBF_TEXT_(TRACE
, 2, "%s", CARD_BUS_ID(card
));
2878 netif_stop_queue(card
->dev
);
2879 qeth_schedule_recovery(card
);
2882 if (card
->options
.performance_stats
) {
2883 card
->perf_stats
.outbound_handler_cnt
++;
2884 card
->perf_stats
.outbound_handler_start_time
=
2887 for (i
= first_element
; i
< (first_element
+ count
); ++i
) {
2888 buffer
= &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
];
2889 /*we only handle the KICK_IT error by doing a recovery */
2890 if (qeth_handle_send_error(card
, buffer
, qdio_error
)
2891 == QETH_SEND_ERROR_KICK_IT
){
2892 netif_stop_queue(card
->dev
);
2893 qeth_schedule_recovery(card
);
2896 qeth_clear_output_buffer(queue
, buffer
);
2898 atomic_sub(count
, &queue
->used_buffers
);
2899 /* check if we need to do something on this outbound queue */
2900 if (card
->info
.type
!= QETH_CARD_TYPE_IQD
)
2901 qeth_check_outbound_queue(queue
);
2903 netif_wake_queue(queue
->card
->dev
);
2904 if (card
->options
.performance_stats
)
2905 card
->perf_stats
.outbound_handler_time
+= qeth_get_micros() -
2906 card
->perf_stats
.outbound_handler_start_time
;
2908 EXPORT_SYMBOL_GPL(qeth_qdio_output_handler
);
2910 int qeth_get_cast_type(struct qeth_card
*card
, struct sk_buff
*skb
)
2912 int cast_type
= RTN_UNSPEC
;
2914 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2917 if (skb
->dst
&& skb
->dst
->neighbour
) {
2918 cast_type
= skb
->dst
->neighbour
->type
;
2919 if ((cast_type
== RTN_BROADCAST
) ||
2920 (cast_type
== RTN_MULTICAST
) ||
2921 (cast_type
== RTN_ANYCAST
))
2926 /* try something else */
2927 if (skb
->protocol
== ETH_P_IPV6
)
2928 return (skb_network_header(skb
)[24] == 0xff) ?
2930 else if (skb
->protocol
== ETH_P_IP
)
2931 return ((skb_network_header(skb
)[16] & 0xf0) == 0xe0) ?
2934 if (!memcmp(skb
->data
, skb
->dev
->broadcast
, 6))
2935 return RTN_BROADCAST
;
2939 hdr_mac
= *((u16
*)skb
->data
);
2941 switch (card
->info
.link_type
) {
2942 case QETH_LINK_TYPE_HSTR
:
2943 case QETH_LINK_TYPE_LANE_TR
:
2944 if ((hdr_mac
== QETH_TR_MAC_NC
) ||
2945 (hdr_mac
== QETH_TR_MAC_C
))
2946 return RTN_MULTICAST
;
2948 /* eth or so multicast? */
2950 if ((hdr_mac
== QETH_ETH_MAC_V4
) ||
2951 (hdr_mac
== QETH_ETH_MAC_V6
))
2952 return RTN_MULTICAST
;
2957 EXPORT_SYMBOL_GPL(qeth_get_cast_type
);
2959 int qeth_get_priority_queue(struct qeth_card
*card
, struct sk_buff
*skb
,
2960 int ipv
, int cast_type
)
2962 if (!ipv
&& (card
->info
.type
== QETH_CARD_TYPE_OSAE
))
2963 return card
->qdio
.default_out_queue
;
2964 switch (card
->qdio
.no_out_queues
) {
2966 if (cast_type
&& card
->info
.is_multicast_different
)
2967 return card
->info
.is_multicast_different
&
2968 (card
->qdio
.no_out_queues
- 1);
2969 if (card
->qdio
.do_prio_queueing
&& (ipv
== 4)) {
2970 const u8 tos
= ip_hdr(skb
)->tos
;
2972 if (card
->qdio
.do_prio_queueing
==
2973 QETH_PRIO_Q_ING_TOS
) {
2974 if (tos
& IP_TOS_NOTIMPORTANT
)
2976 if (tos
& IP_TOS_HIGHRELIABILITY
)
2978 if (tos
& IP_TOS_HIGHTHROUGHPUT
)
2980 if (tos
& IP_TOS_LOWDELAY
)
2983 if (card
->qdio
.do_prio_queueing
==
2984 QETH_PRIO_Q_ING_PREC
)
2985 return 3 - (tos
>> 6);
2986 } else if (card
->qdio
.do_prio_queueing
&& (ipv
== 6)) {
2989 return card
->qdio
.default_out_queue
;
2990 case 1: /* fallthrough for single-out-queue 1920-device */
2992 return card
->qdio
.default_out_queue
;
2995 EXPORT_SYMBOL_GPL(qeth_get_priority_queue
);
2997 int qeth_get_elements_no(struct qeth_card
*card
, void *hdr
,
2998 struct sk_buff
*skb
, int elems
)
3000 int elements_needed
= 0;
3002 if (skb_shinfo(skb
)->nr_frags
> 0)
3003 elements_needed
= (skb_shinfo(skb
)->nr_frags
+ 1);
3004 if (elements_needed
== 0)
3005 elements_needed
= 1 + (((((unsigned long) hdr
) % PAGE_SIZE
)
3006 + skb
->len
) >> PAGE_SHIFT
);
3007 if ((elements_needed
+ elems
) > QETH_MAX_BUFFER_ELEMENTS(card
)) {
3008 QETH_DBF_MESSAGE(2, "Invalid size of IP packet "
3009 "(Number=%d / Length=%d). Discarded.\n",
3010 (elements_needed
+elems
), skb
->len
);
3013 return elements_needed
;
3015 EXPORT_SYMBOL_GPL(qeth_get_elements_no
);
3017 static inline void __qeth_fill_buffer(struct sk_buff
*skb
,
3018 struct qdio_buffer
*buffer
, int is_tso
, int *next_element_to_fill
)
3020 int length
= skb
->len
;
3026 element
= *next_element_to_fill
;
3028 first_lap
= (is_tso
== 0 ? 1 : 0);
3030 while (length
> 0) {
3031 /* length_here is the remaining amount of data in this page */
3032 length_here
= PAGE_SIZE
- ((unsigned long) data
% PAGE_SIZE
);
3033 if (length
< length_here
)
3034 length_here
= length
;
3036 buffer
->element
[element
].addr
= data
;
3037 buffer
->element
[element
].length
= length_here
;
3038 length
-= length_here
;
3041 buffer
->element
[element
].flags
= 0;
3043 buffer
->element
[element
].flags
=
3044 SBAL_FLAGS_LAST_FRAG
;
3047 buffer
->element
[element
].flags
=
3048 SBAL_FLAGS_FIRST_FRAG
;
3050 buffer
->element
[element
].flags
=
3051 SBAL_FLAGS_MIDDLE_FRAG
;
3053 data
+= length_here
;
3057 *next_element_to_fill
= element
;
3060 static inline int qeth_fill_buffer(struct qeth_qdio_out_q
*queue
,
3061 struct qeth_qdio_out_buffer
*buf
, struct sk_buff
*skb
)
3063 struct qdio_buffer
*buffer
;
3064 struct qeth_hdr_tso
*hdr
;
3065 int flush_cnt
= 0, hdr_len
, large_send
= 0;
3067 buffer
= buf
->buffer
;
3068 atomic_inc(&skb
->users
);
3069 skb_queue_tail(&buf
->skb_list
, skb
);
3071 hdr
= (struct qeth_hdr_tso
*) skb
->data
;
3072 /*check first on TSO ....*/
3073 if (hdr
->hdr
.hdr
.l3
.id
== QETH_HEADER_TYPE_TSO
) {
3074 int element
= buf
->next_element_to_fill
;
3076 hdr_len
= sizeof(struct qeth_hdr_tso
) + hdr
->ext
.dg_hdr_len
;
3077 /*fill first buffer entry only with header information */
3078 buffer
->element
[element
].addr
= skb
->data
;
3079 buffer
->element
[element
].length
= hdr_len
;
3080 buffer
->element
[element
].flags
= SBAL_FLAGS_FIRST_FRAG
;
3081 buf
->next_element_to_fill
++;
3082 skb
->data
+= hdr_len
;
3083 skb
->len
-= hdr_len
;
3086 if (skb_shinfo(skb
)->nr_frags
== 0)
3087 __qeth_fill_buffer(skb
, buffer
, large_send
,
3088 (int *)&buf
->next_element_to_fill
);
3090 __qeth_fill_buffer_frag(skb
, buffer
, large_send
,
3091 (int *)&buf
->next_element_to_fill
);
3093 if (!queue
->do_pack
) {
3094 QETH_DBF_TEXT(TRACE
, 6, "fillbfnp");
3095 /* set state to PRIMED -> will be flushed */
3096 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
3099 QETH_DBF_TEXT(TRACE
, 6, "fillbfpa");
3100 if (queue
->card
->options
.performance_stats
)
3101 queue
->card
->perf_stats
.skbs_sent_pack
++;
3102 if (buf
->next_element_to_fill
>=
3103 QETH_MAX_BUFFER_ELEMENTS(queue
->card
)) {
3105 * packed buffer if full -> set state PRIMED
3106 * -> will be flushed
3108 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
3115 int qeth_do_send_packet_fast(struct qeth_card
*card
,
3116 struct qeth_qdio_out_q
*queue
, struct sk_buff
*skb
,
3117 struct qeth_hdr
*hdr
, int elements_needed
,
3118 struct qeth_eddp_context
*ctx
)
3120 struct qeth_qdio_out_buffer
*buffer
;
3121 int buffers_needed
= 0;
3125 /* spin until we get the queue ... */
3126 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
3127 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
3128 /* ... now we've got the queue */
3129 index
= queue
->next_buf_to_fill
;
3130 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
3132 * check if buffer is empty to make sure that we do not 'overtake'
3133 * ourselves and try to fill a buffer that is already primed
3135 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
)
3138 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ 1) %
3139 QDIO_MAX_BUFFERS_PER_Q
;
3141 buffers_needed
= qeth_eddp_check_buffers_for_context(queue
,
3143 if (buffers_needed
< 0)
3145 queue
->next_buf_to_fill
=
3146 (queue
->next_buf_to_fill
+ buffers_needed
) %
3147 QDIO_MAX_BUFFERS_PER_Q
;
3149 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3151 qeth_fill_buffer(queue
, buffer
, skb
);
3152 qeth_flush_buffers(queue
, index
, 1);
3154 flush_cnt
= qeth_eddp_fill_buffer(queue
, ctx
, index
);
3155 WARN_ON(buffers_needed
!= flush_cnt
);
3156 qeth_flush_buffers(queue
, index
, flush_cnt
);
3160 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3163 EXPORT_SYMBOL_GPL(qeth_do_send_packet_fast
);
3165 int qeth_do_send_packet(struct qeth_card
*card
, struct qeth_qdio_out_q
*queue
,
3166 struct sk_buff
*skb
, struct qeth_hdr
*hdr
,
3167 int elements_needed
, struct qeth_eddp_context
*ctx
)
3169 struct qeth_qdio_out_buffer
*buffer
;
3171 int flush_count
= 0;
3176 /* spin until we get the queue ... */
3177 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
3178 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
3179 start_index
= queue
->next_buf_to_fill
;
3180 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
3182 * check if buffer is empty to make sure that we do not 'overtake'
3183 * ourselves and try to fill a buffer that is already primed
3185 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
) {
3186 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3189 /* check if we need to switch packing state of this queue */
3190 qeth_switch_to_packing_if_needed(queue
);
3191 if (queue
->do_pack
) {
3194 /* does packet fit in current buffer? */
3195 if ((QETH_MAX_BUFFER_ELEMENTS(card
) -
3196 buffer
->next_element_to_fill
) < elements_needed
) {
3197 /* ... no -> set state PRIMED */
3198 atomic_set(&buffer
->state
,
3199 QETH_QDIO_BUF_PRIMED
);
3201 queue
->next_buf_to_fill
=
3202 (queue
->next_buf_to_fill
+ 1) %
3203 QDIO_MAX_BUFFERS_PER_Q
;
3204 buffer
= &queue
->bufs
[queue
->next_buf_to_fill
];
3205 /* we did a step forward, so check buffer state
3207 if (atomic_read(&buffer
->state
) !=
3208 QETH_QDIO_BUF_EMPTY
){
3209 qeth_flush_buffers(queue
, start_index
,
3211 atomic_set(&queue
->state
,
3212 QETH_OUT_Q_UNLOCKED
);
3217 /* check if we have enough elements (including following
3218 * free buffers) to handle eddp context */
3219 if (qeth_eddp_check_buffers_for_context(queue
, ctx
)
3227 tmp
= qeth_fill_buffer(queue
, buffer
, skb
);
3229 tmp
= qeth_eddp_fill_buffer(queue
, ctx
,
3230 queue
->next_buf_to_fill
);
3236 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ tmp
) %
3237 QDIO_MAX_BUFFERS_PER_Q
;
3241 qeth_flush_buffers(queue
, start_index
, flush_count
);
3242 else if (!atomic_read(&queue
->set_pci_flags_count
))
3243 atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
);
3245 * queue->state will go from LOCKED -> UNLOCKED or from
3246 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
3247 * (switch packing state or flush buffer to get another pci flag out).
3248 * In that case we will enter this loop
3250 while (atomic_dec_return(&queue
->state
)) {
3252 start_index
= queue
->next_buf_to_fill
;
3253 /* check if we can go back to non-packing state */
3254 flush_count
+= qeth_switch_to_nonpacking_if_needed(queue
);
3256 * check if we need to flush a packing buffer to get a pci
3257 * flag out on the queue
3259 if (!flush_count
&& !atomic_read(&queue
->set_pci_flags_count
))
3260 flush_count
+= qeth_flush_buffers_on_no_pci(queue
);
3262 qeth_flush_buffers(queue
, start_index
, flush_count
);
3264 /* at this point the queue is UNLOCKED again */
3265 if (queue
->card
->options
.performance_stats
&& do_pack
)
3266 queue
->card
->perf_stats
.bufs_sent_pack
+= flush_count
;
3270 EXPORT_SYMBOL_GPL(qeth_do_send_packet
);
3272 static int qeth_setadp_promisc_mode_cb(struct qeth_card
*card
,
3273 struct qeth_reply
*reply
, unsigned long data
)
3275 struct qeth_ipa_cmd
*cmd
;
3276 struct qeth_ipacmd_setadpparms
*setparms
;
3278 QETH_DBF_TEXT(TRACE
, 4, "prmadpcb");
3280 cmd
= (struct qeth_ipa_cmd
*) data
;
3281 setparms
= &(cmd
->data
.setadapterparms
);
3283 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
3284 if (cmd
->hdr
.return_code
) {
3285 QETH_DBF_TEXT_(TRACE
, 4, "prmrc%2.2x", cmd
->hdr
.return_code
);
3286 setparms
->data
.mode
= SET_PROMISC_MODE_OFF
;
3288 card
->info
.promisc_mode
= setparms
->data
.mode
;
3292 void qeth_setadp_promisc_mode(struct qeth_card
*card
)
3294 enum qeth_ipa_promisc_modes mode
;
3295 struct net_device
*dev
= card
->dev
;
3296 struct qeth_cmd_buffer
*iob
;
3297 struct qeth_ipa_cmd
*cmd
;
3299 QETH_DBF_TEXT(TRACE
, 4, "setprom");
3301 if (((dev
->flags
& IFF_PROMISC
) &&
3302 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
)) ||
3303 (!(dev
->flags
& IFF_PROMISC
) &&
3304 (card
->info
.promisc_mode
== SET_PROMISC_MODE_OFF
)))
3306 mode
= SET_PROMISC_MODE_OFF
;
3307 if (dev
->flags
& IFF_PROMISC
)
3308 mode
= SET_PROMISC_MODE_ON
;
3309 QETH_DBF_TEXT_(TRACE
, 4, "mode:%x", mode
);
3311 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_PROMISC_MODE
,
3312 sizeof(struct qeth_ipacmd_setadpparms
));
3313 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+ IPA_PDU_HEADER_SIZE
);
3314 cmd
->data
.setadapterparms
.data
.mode
= mode
;
3315 qeth_send_ipa_cmd(card
, iob
, qeth_setadp_promisc_mode_cb
, NULL
);
3317 EXPORT_SYMBOL_GPL(qeth_setadp_promisc_mode
);
3319 int qeth_change_mtu(struct net_device
*dev
, int new_mtu
)
3321 struct qeth_card
*card
;
3324 card
= netdev_priv(dev
);
3326 QETH_DBF_TEXT(TRACE
, 4, "chgmtu");
3327 sprintf(dbf_text
, "%8x", new_mtu
);
3328 QETH_DBF_TEXT(TRACE
, 4, dbf_text
);
3332 if (new_mtu
> 65535)
3334 if ((!qeth_is_supported(card
, IPA_IP_FRAGMENTATION
)) &&
3335 (!qeth_mtu_is_valid(card
, new_mtu
)))
3340 EXPORT_SYMBOL_GPL(qeth_change_mtu
);
3342 struct net_device_stats
*qeth_get_stats(struct net_device
*dev
)
3344 struct qeth_card
*card
;
3346 card
= netdev_priv(dev
);
3348 QETH_DBF_TEXT(TRACE
, 5, "getstat");
3350 return &card
->stats
;
3352 EXPORT_SYMBOL_GPL(qeth_get_stats
);
3354 static int qeth_setadpparms_change_macaddr_cb(struct qeth_card
*card
,
3355 struct qeth_reply
*reply
, unsigned long data
)
3357 struct qeth_ipa_cmd
*cmd
;
3359 QETH_DBF_TEXT(TRACE
, 4, "chgmaccb");
3361 cmd
= (struct qeth_ipa_cmd
*) data
;
3362 if (!card
->options
.layer2
||
3363 !(card
->info
.mac_bits
& QETH_LAYER2_MAC_READ
)) {
3364 memcpy(card
->dev
->dev_addr
,
3365 &cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
3367 card
->info
.mac_bits
|= QETH_LAYER2_MAC_READ
;
3369 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
3373 int qeth_setadpparms_change_macaddr(struct qeth_card
*card
)
3376 struct qeth_cmd_buffer
*iob
;
3377 struct qeth_ipa_cmd
*cmd
;
3379 QETH_DBF_TEXT(TRACE
, 4, "chgmac");
3381 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_ALTER_MAC_ADDRESS
,
3382 sizeof(struct qeth_ipacmd_setadpparms
));
3383 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3384 cmd
->data
.setadapterparms
.data
.change_addr
.cmd
= CHANGE_ADDR_READ_MAC
;
3385 cmd
->data
.setadapterparms
.data
.change_addr
.addr_size
= OSA_ADDR_LEN
;
3386 memcpy(&cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
3387 card
->dev
->dev_addr
, OSA_ADDR_LEN
);
3388 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_change_macaddr_cb
,
3392 EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr
);
3394 void qeth_tx_timeout(struct net_device
*dev
)
3396 struct qeth_card
*card
;
3398 card
= netdev_priv(dev
);
3399 card
->stats
.tx_errors
++;
3400 qeth_schedule_recovery(card
);
3402 EXPORT_SYMBOL_GPL(qeth_tx_timeout
);
3404 int qeth_mdio_read(struct net_device
*dev
, int phy_id
, int regnum
)
3406 struct qeth_card
*card
= netdev_priv(dev
);
3410 case MII_BMCR
: /* Basic mode control register */
3412 if ((card
->info
.link_type
!= QETH_LINK_TYPE_GBIT_ETH
) &&
3413 (card
->info
.link_type
!= QETH_LINK_TYPE_OSN
) &&
3414 (card
->info
.link_type
!= QETH_LINK_TYPE_10GBIT_ETH
))
3415 rc
|= BMCR_SPEED100
;
3417 case MII_BMSR
: /* Basic mode status register */
3418 rc
= BMSR_ERCAP
| BMSR_ANEGCOMPLETE
| BMSR_LSTATUS
|
3419 BMSR_10HALF
| BMSR_10FULL
| BMSR_100HALF
| BMSR_100FULL
|
3422 case MII_PHYSID1
: /* PHYS ID 1 */
3423 rc
= (dev
->dev_addr
[0] << 16) | (dev
->dev_addr
[1] << 8) |
3425 rc
= (rc
>> 5) & 0xFFFF;
3427 case MII_PHYSID2
: /* PHYS ID 2 */
3428 rc
= (dev
->dev_addr
[2] << 10) & 0xFFFF;
3430 case MII_ADVERTISE
: /* Advertisement control reg */
3433 case MII_LPA
: /* Link partner ability reg */
3434 rc
= LPA_10HALF
| LPA_10FULL
| LPA_100HALF
| LPA_100FULL
|
3435 LPA_100BASE4
| LPA_LPACK
;
3437 case MII_EXPANSION
: /* Expansion register */
3439 case MII_DCOUNTER
: /* disconnect counter */
3441 case MII_FCSCOUNTER
: /* false carrier counter */
3443 case MII_NWAYTEST
: /* N-way auto-neg test register */
3445 case MII_RERRCOUNTER
: /* rx error counter */
3446 rc
= card
->stats
.rx_errors
;
3448 case MII_SREVISION
: /* silicon revision */
3450 case MII_RESV1
: /* reserved 1 */
3452 case MII_LBRERROR
: /* loopback, rx, bypass error */
3454 case MII_PHYADDR
: /* physical address */
3456 case MII_RESV2
: /* reserved 2 */
3458 case MII_TPISTATUS
: /* TPI status for 10mbps */
3460 case MII_NCONFIG
: /* network interface config */
3467 EXPORT_SYMBOL_GPL(qeth_mdio_read
);
3469 static int qeth_send_ipa_snmp_cmd(struct qeth_card
*card
,
3470 struct qeth_cmd_buffer
*iob
, int len
,
3471 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
3477 QETH_DBF_TEXT(TRACE
, 4, "sendsnmp");
3479 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
3480 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
3481 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
3482 /* adjust PDU length fields in IPA_PDU_HEADER */
3483 s1
= (u32
) IPA_PDU_HEADER_SIZE
+ len
;
3485 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob
->data
), &s1
, 2);
3486 memcpy(QETH_IPA_PDU_LEN_PDU1(iob
->data
), &s2
, 2);
3487 memcpy(QETH_IPA_PDU_LEN_PDU2(iob
->data
), &s2
, 2);
3488 memcpy(QETH_IPA_PDU_LEN_PDU3(iob
->data
), &s2
, 2);
3489 return qeth_send_control_data(card
, IPA_PDU_HEADER_SIZE
+ len
, iob
,
3490 reply_cb
, reply_param
);
3493 static int qeth_snmp_command_cb(struct qeth_card
*card
,
3494 struct qeth_reply
*reply
, unsigned long sdata
)
3496 struct qeth_ipa_cmd
*cmd
;
3497 struct qeth_arp_query_info
*qinfo
;
3498 struct qeth_snmp_cmd
*snmp
;
3499 unsigned char *data
;
3502 QETH_DBF_TEXT(TRACE
, 3, "snpcmdcb");
3504 cmd
= (struct qeth_ipa_cmd
*) sdata
;
3505 data
= (unsigned char *)((char *)cmd
- reply
->offset
);
3506 qinfo
= (struct qeth_arp_query_info
*) reply
->param
;
3507 snmp
= &cmd
->data
.setadapterparms
.data
.snmp
;
3509 if (cmd
->hdr
.return_code
) {
3510 QETH_DBF_TEXT_(TRACE
, 4, "scer1%i", cmd
->hdr
.return_code
);
3513 if (cmd
->data
.setadapterparms
.hdr
.return_code
) {
3514 cmd
->hdr
.return_code
=
3515 cmd
->data
.setadapterparms
.hdr
.return_code
;
3516 QETH_DBF_TEXT_(TRACE
, 4, "scer2%i", cmd
->hdr
.return_code
);
3519 data_len
= *((__u16
*)QETH_IPA_PDU_LEN_PDU1(data
));
3520 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1)
3521 data_len
-= (__u16
)((char *)&snmp
->data
- (char *)cmd
);
3523 data_len
-= (__u16
)((char *)&snmp
->request
- (char *)cmd
);
3525 /* check if there is enough room in userspace */
3526 if ((qinfo
->udata_len
- qinfo
->udata_offset
) < data_len
) {
3527 QETH_DBF_TEXT_(TRACE
, 4, "scer3%i", -ENOMEM
);
3528 cmd
->hdr
.return_code
= -ENOMEM
;
3531 QETH_DBF_TEXT_(TRACE
, 4, "snore%i",
3532 cmd
->data
.setadapterparms
.hdr
.used_total
);
3533 QETH_DBF_TEXT_(TRACE
, 4, "sseqn%i",
3534 cmd
->data
.setadapterparms
.hdr
.seq_no
);
3535 /*copy entries to user buffer*/
3536 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1) {
3537 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
3539 data_len
+ offsetof(struct qeth_snmp_cmd
, data
));
3540 qinfo
->udata_offset
+= offsetof(struct qeth_snmp_cmd
, data
);
3542 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
3543 (char *)&snmp
->request
, data_len
);
3545 qinfo
->udata_offset
+= data_len
;
3546 /* check if all replies received ... */
3547 QETH_DBF_TEXT_(TRACE
, 4, "srtot%i",
3548 cmd
->data
.setadapterparms
.hdr
.used_total
);
3549 QETH_DBF_TEXT_(TRACE
, 4, "srseq%i",
3550 cmd
->data
.setadapterparms
.hdr
.seq_no
);
3551 if (cmd
->data
.setadapterparms
.hdr
.seq_no
<
3552 cmd
->data
.setadapterparms
.hdr
.used_total
)
3557 int qeth_snmp_command(struct qeth_card
*card
, char __user
*udata
)
3559 struct qeth_cmd_buffer
*iob
;
3560 struct qeth_ipa_cmd
*cmd
;
3561 struct qeth_snmp_ureq
*ureq
;
3563 struct qeth_arp_query_info qinfo
= {0, };
3566 QETH_DBF_TEXT(TRACE
, 3, "snmpcmd");
3568 if (card
->info
.guestlan
)
3571 if ((!qeth_adp_supported(card
, IPA_SETADP_SET_SNMP_CONTROL
)) &&
3572 (!card
->options
.layer2
)) {
3575 /* skip 4 bytes (data_len struct member) to get req_len */
3576 if (copy_from_user(&req_len
, udata
+ sizeof(int), sizeof(int)))
3578 ureq
= kmalloc(req_len
+sizeof(struct qeth_snmp_ureq_hdr
), GFP_KERNEL
);
3580 QETH_DBF_TEXT(TRACE
, 2, "snmpnome");
3583 if (copy_from_user(ureq
, udata
,
3584 req_len
+ sizeof(struct qeth_snmp_ureq_hdr
))) {
3588 qinfo
.udata_len
= ureq
->hdr
.data_len
;
3589 qinfo
.udata
= kzalloc(qinfo
.udata_len
, GFP_KERNEL
);
3594 qinfo
.udata_offset
= sizeof(struct qeth_snmp_ureq_hdr
);
3596 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_SNMP_CONTROL
,
3597 QETH_SNMP_SETADP_CMDLENGTH
+ req_len
);
3598 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3599 memcpy(&cmd
->data
.setadapterparms
.data
.snmp
, &ureq
->cmd
, req_len
);
3600 rc
= qeth_send_ipa_snmp_cmd(card
, iob
, QETH_SETADP_BASE_LEN
+ req_len
,
3601 qeth_snmp_command_cb
, (void *)&qinfo
);
3603 QETH_DBF_MESSAGE(2, "SNMP command failed on %s: (0x%x)\n",
3604 QETH_CARD_IFNAME(card
), rc
);
3606 if (copy_to_user(udata
, qinfo
.udata
, qinfo
.udata_len
))
3614 EXPORT_SYMBOL_GPL(qeth_snmp_command
);
3616 static inline int qeth_get_qdio_q_format(struct qeth_card
*card
)
3618 switch (card
->info
.type
) {
3619 case QETH_CARD_TYPE_IQD
:
3626 static int qeth_qdio_establish(struct qeth_card
*card
)
3628 struct qdio_initialize init_data
;
3629 char *qib_param_field
;
3630 struct qdio_buffer
**in_sbal_ptrs
;
3631 struct qdio_buffer
**out_sbal_ptrs
;
3635 QETH_DBF_TEXT(SETUP
, 2, "qdioest");
3637 qib_param_field
= kzalloc(QDIO_MAX_BUFFERS_PER_Q
* sizeof(char),
3639 if (!qib_param_field
)
3642 qeth_create_qib_param_field(card
, qib_param_field
);
3643 qeth_create_qib_param_field_blkt(card
, qib_param_field
);
3645 in_sbal_ptrs
= kmalloc(QDIO_MAX_BUFFERS_PER_Q
* sizeof(void *),
3647 if (!in_sbal_ptrs
) {
3648 kfree(qib_param_field
);
3651 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
)
3652 in_sbal_ptrs
[i
] = (struct qdio_buffer
*)
3653 virt_to_phys(card
->qdio
.in_q
->bufs
[i
].buffer
);
3656 kmalloc(card
->qdio
.no_out_queues
* QDIO_MAX_BUFFERS_PER_Q
*
3657 sizeof(void *), GFP_KERNEL
);
3658 if (!out_sbal_ptrs
) {
3659 kfree(in_sbal_ptrs
);
3660 kfree(qib_param_field
);
3663 for (i
= 0, k
= 0; i
< card
->qdio
.no_out_queues
; ++i
)
3664 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
, ++k
) {
3665 out_sbal_ptrs
[k
] = (struct qdio_buffer
*)virt_to_phys(
3666 card
->qdio
.out_qs
[i
]->bufs
[j
].buffer
);
3669 memset(&init_data
, 0, sizeof(struct qdio_initialize
));
3670 init_data
.cdev
= CARD_DDEV(card
);
3671 init_data
.q_format
= qeth_get_qdio_q_format(card
);
3672 init_data
.qib_param_field_format
= 0;
3673 init_data
.qib_param_field
= qib_param_field
;
3674 init_data
.no_input_qs
= 1;
3675 init_data
.no_output_qs
= card
->qdio
.no_out_queues
;
3676 init_data
.input_handler
= card
->discipline
.input_handler
;
3677 init_data
.output_handler
= card
->discipline
.output_handler
;
3678 init_data
.int_parm
= (unsigned long) card
;
3679 init_data
.flags
= QDIO_INBOUND_0COPY_SBALS
|
3680 QDIO_OUTBOUND_0COPY_SBALS
|
3681 QDIO_USE_OUTBOUND_PCIS
;
3682 init_data
.input_sbal_addr_array
= (void **) in_sbal_ptrs
;
3683 init_data
.output_sbal_addr_array
= (void **) out_sbal_ptrs
;
3685 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
,
3686 QETH_QDIO_ESTABLISHED
) == QETH_QDIO_ALLOCATED
) {
3687 rc
= qdio_initialize(&init_data
);
3689 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
3691 kfree(out_sbal_ptrs
);
3692 kfree(in_sbal_ptrs
);
3693 kfree(qib_param_field
);
3697 static void qeth_core_free_card(struct qeth_card
*card
)
3700 QETH_DBF_TEXT(SETUP
, 2, "freecrd");
3701 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
3702 qeth_clean_channel(&card
->read
);
3703 qeth_clean_channel(&card
->write
);
3705 free_netdev(card
->dev
);
3706 kfree(card
->ip_tbd_list
);
3707 qeth_free_qdio_buffers(card
);
3711 static struct ccw_device_id qeth_ids
[] = {
3712 {CCW_DEVICE(0x1731, 0x01), .driver_info
= QETH_CARD_TYPE_OSAE
},
3713 {CCW_DEVICE(0x1731, 0x05), .driver_info
= QETH_CARD_TYPE_IQD
},
3714 {CCW_DEVICE(0x1731, 0x06), .driver_info
= QETH_CARD_TYPE_OSN
},
3717 MODULE_DEVICE_TABLE(ccw
, qeth_ids
);
3719 static struct ccw_driver qeth_ccw_driver
= {
3722 .probe
= ccwgroup_probe_ccwdev
,
3723 .remove
= ccwgroup_remove_ccwdev
,
3726 static int qeth_core_driver_group(const char *buf
, struct device
*root_dev
,
3727 unsigned long driver_id
)
3729 return ccwgroup_create_from_string(root_dev
, driver_id
,
3730 &qeth_ccw_driver
, 3, buf
);
3733 int qeth_core_hardsetup_card(struct qeth_card
*card
)
3735 struct qdio_ssqd_desc
*qdio_ssqd
;
3740 QETH_DBF_TEXT(SETUP
, 2, "hrdsetup");
3741 atomic_set(&card
->force_alloc_skb
, 0);
3744 PRINT_WARN("Retrying to do IDX activates.\n");
3745 ccw_device_set_offline(CARD_DDEV(card
));
3746 ccw_device_set_offline(CARD_WDEV(card
));
3747 ccw_device_set_offline(CARD_RDEV(card
));
3748 ccw_device_set_online(CARD_RDEV(card
));
3749 ccw_device_set_online(CARD_WDEV(card
));
3750 ccw_device_set_online(CARD_DDEV(card
));
3752 rc
= qeth_qdio_clear_card(card
, card
->info
.type
!= QETH_CARD_TYPE_IQD
);
3753 if (rc
== -ERESTARTSYS
) {
3754 QETH_DBF_TEXT(SETUP
, 2, "break1");
3757 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
3764 rc
= qeth_get_unitaddr(card
);
3766 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
3770 qdio_ssqd
= qdio_get_ssqd_desc(CARD_DDEV(card
));
3772 mpno
= qdio_ssqd
->pcnt
;
3774 mpno
= min(mpno
- 1, QETH_MAX_PORTNO
);
3775 if (card
->info
.portno
> mpno
) {
3776 QETH_DBF_MESSAGE(2, "Device %s does not offer port number %d"
3777 "\n.", CARD_BUS_ID(card
), card
->info
.portno
);
3781 qeth_init_tokens(card
);
3782 qeth_init_func_level(card
);
3783 rc
= qeth_idx_activate_channel(&card
->read
, qeth_idx_read_cb
);
3784 if (rc
== -ERESTARTSYS
) {
3785 QETH_DBF_TEXT(SETUP
, 2, "break2");
3788 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
3794 rc
= qeth_idx_activate_channel(&card
->write
, qeth_idx_write_cb
);
3795 if (rc
== -ERESTARTSYS
) {
3796 QETH_DBF_TEXT(SETUP
, 2, "break3");
3799 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
3805 rc
= qeth_mpc_initialize(card
);
3807 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
3812 PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc
);
3815 EXPORT_SYMBOL_GPL(qeth_core_hardsetup_card
);
3817 static inline int qeth_create_skb_frag(struct qdio_buffer_element
*element
,
3818 struct sk_buff
**pskb
, int offset
, int *pfrag
, int data_len
)
3820 struct page
*page
= virt_to_page(element
->addr
);
3821 if (*pskb
== NULL
) {
3822 /* the upper protocol layers assume that there is data in the
3823 * skb itself. Copy a small amount (64 bytes) to make them
3825 *pskb
= dev_alloc_skb(64 + ETH_HLEN
);
3828 skb_reserve(*pskb
, ETH_HLEN
);
3829 if (data_len
<= 64) {
3830 memcpy(skb_put(*pskb
, data_len
), element
->addr
+ offset
,
3834 memcpy(skb_put(*pskb
, 64), element
->addr
+ offset
, 64);
3835 skb_fill_page_desc(*pskb
, *pfrag
, page
, offset
+ 64,
3837 (*pskb
)->data_len
+= data_len
- 64;
3838 (*pskb
)->len
+= data_len
- 64;
3839 (*pskb
)->truesize
+= data_len
- 64;
3844 skb_fill_page_desc(*pskb
, *pfrag
, page
, offset
, data_len
);
3845 (*pskb
)->data_len
+= data_len
;
3846 (*pskb
)->len
+= data_len
;
3847 (*pskb
)->truesize
+= data_len
;
3853 struct sk_buff
*qeth_core_get_next_skb(struct qeth_card
*card
,
3854 struct qdio_buffer
*buffer
,
3855 struct qdio_buffer_element
**__element
, int *__offset
,
3856 struct qeth_hdr
**hdr
)
3858 struct qdio_buffer_element
*element
= *__element
;
3859 int offset
= *__offset
;
3860 struct sk_buff
*skb
= NULL
;
3868 /* qeth_hdr must not cross element boundaries */
3869 if (element
->length
< offset
+ sizeof(struct qeth_hdr
)) {
3870 if (qeth_is_last_sbale(element
))
3874 if (element
->length
< sizeof(struct qeth_hdr
))
3877 *hdr
= element
->addr
+ offset
;
3879 offset
+= sizeof(struct qeth_hdr
);
3880 if (card
->options
.layer2
) {
3881 if (card
->info
.type
== QETH_CARD_TYPE_OSN
) {
3882 skb_len
= (*hdr
)->hdr
.osn
.pdu_length
;
3883 headroom
= sizeof(struct qeth_hdr
);
3885 skb_len
= (*hdr
)->hdr
.l2
.pkt_length
;
3888 skb_len
= (*hdr
)->hdr
.l3
.length
;
3889 if ((card
->info
.link_type
== QETH_LINK_TYPE_LANE_TR
) ||
3890 (card
->info
.link_type
== QETH_LINK_TYPE_HSTR
))
3893 headroom
= ETH_HLEN
;
3899 if ((skb_len
>= card
->options
.rx_sg_cb
) &&
3900 (!(card
->info
.type
== QETH_CARD_TYPE_OSN
)) &&
3901 (!atomic_read(&card
->force_alloc_skb
))) {
3904 skb
= dev_alloc_skb(skb_len
+ headroom
);
3908 skb_reserve(skb
, headroom
);
3911 data_ptr
= element
->addr
+ offset
;
3913 data_len
= min(skb_len
, (int)(element
->length
- offset
));
3916 if (qeth_create_skb_frag(element
, &skb
, offset
,
3920 memcpy(skb_put(skb
, data_len
), data_ptr
,
3924 skb_len
-= data_len
;
3926 if (qeth_is_last_sbale(element
)) {
3927 QETH_DBF_TEXT(TRACE
, 4, "unexeob");
3928 QETH_DBF_TEXT_(TRACE
, 4, "%s",
3930 QETH_DBF_TEXT(QERR
, 2, "unexeob");
3931 QETH_DBF_TEXT_(QERR
, 2, "%s",
3933 QETH_DBF_HEX(MISC
, 4, buffer
, sizeof(*buffer
));
3934 dev_kfree_skb_any(skb
);
3935 card
->stats
.rx_errors
++;
3940 data_ptr
= element
->addr
;
3945 *__element
= element
;
3947 if (use_rx_sg
&& card
->options
.performance_stats
) {
3948 card
->perf_stats
.sg_skbs_rx
++;
3949 card
->perf_stats
.sg_frags_rx
+= skb_shinfo(skb
)->nr_frags
;
3953 if (net_ratelimit()) {
3954 QETH_DBF_TEXT(TRACE
, 2, "noskbmem");
3955 QETH_DBF_TEXT_(TRACE
, 2, "%s", CARD_BUS_ID(card
));
3957 card
->stats
.rx_dropped
++;
3960 EXPORT_SYMBOL_GPL(qeth_core_get_next_skb
);
3962 static void qeth_unregister_dbf_views(void)
3965 for (x
= 0; x
< QETH_DBF_INFOS
; x
++) {
3966 debug_unregister(qeth_dbf
[x
].id
);
3967 qeth_dbf
[x
].id
= NULL
;
3971 void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix
, int level
, char *fmt
, ...)
3973 char dbf_txt_buf
[32];
3976 if (level
> (qeth_dbf
[dbf_nix
].id
)->level
)
3978 va_start(args
, fmt
);
3979 vsnprintf(dbf_txt_buf
, sizeof(dbf_txt_buf
), fmt
, args
);
3981 debug_text_event(qeth_dbf
[dbf_nix
].id
, level
, dbf_txt_buf
);
3983 EXPORT_SYMBOL_GPL(qeth_dbf_longtext
);
3985 static int qeth_register_dbf_views(void)
3990 for (x
= 0; x
< QETH_DBF_INFOS
; x
++) {
3991 /* register the areas */
3992 qeth_dbf
[x
].id
= debug_register(qeth_dbf
[x
].name
,
3996 if (qeth_dbf
[x
].id
== NULL
) {
3997 qeth_unregister_dbf_views();
4001 /* register a view */
4002 ret
= debug_register_view(qeth_dbf
[x
].id
, qeth_dbf
[x
].view
);
4004 qeth_unregister_dbf_views();
4008 /* set a passing level */
4009 debug_set_level(qeth_dbf
[x
].id
, qeth_dbf
[x
].level
);
4015 int qeth_core_load_discipline(struct qeth_card
*card
,
4016 enum qeth_discipline_id discipline
)
4019 switch (discipline
) {
4020 case QETH_DISCIPLINE_LAYER3
:
4021 card
->discipline
.ccwgdriver
= try_then_request_module(
4022 symbol_get(qeth_l3_ccwgroup_driver
),
4025 case QETH_DISCIPLINE_LAYER2
:
4026 card
->discipline
.ccwgdriver
= try_then_request_module(
4027 symbol_get(qeth_l2_ccwgroup_driver
),
4031 if (!card
->discipline
.ccwgdriver
) {
4032 PRINT_ERR("Support for discipline %d not present\n",
4039 void qeth_core_free_discipline(struct qeth_card
*card
)
4041 if (card
->options
.layer2
)
4042 symbol_put(qeth_l2_ccwgroup_driver
);
4044 symbol_put(qeth_l3_ccwgroup_driver
);
4045 card
->discipline
.ccwgdriver
= NULL
;
4048 static int qeth_core_probe_device(struct ccwgroup_device
*gdev
)
4050 struct qeth_card
*card
;
4053 unsigned long flags
;
4055 QETH_DBF_TEXT(SETUP
, 2, "probedev");
4058 if (!get_device(dev
))
4061 QETH_DBF_TEXT_(SETUP
, 2, "%s", gdev
->dev
.bus_id
);
4063 card
= qeth_alloc_card();
4065 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", -ENOMEM
);
4069 card
->read
.ccwdev
= gdev
->cdev
[0];
4070 card
->write
.ccwdev
= gdev
->cdev
[1];
4071 card
->data
.ccwdev
= gdev
->cdev
[2];
4072 dev_set_drvdata(&gdev
->dev
, card
);
4074 gdev
->cdev
[0]->handler
= qeth_irq
;
4075 gdev
->cdev
[1]->handler
= qeth_irq
;
4076 gdev
->cdev
[2]->handler
= qeth_irq
;
4078 rc
= qeth_determine_card_type(card
);
4080 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
4083 rc
= qeth_setup_card(card
);
4085 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
4089 if (card
->info
.type
== QETH_CARD_TYPE_OSN
) {
4090 rc
= qeth_core_create_osn_attributes(dev
);
4093 rc
= qeth_core_load_discipline(card
, QETH_DISCIPLINE_LAYER2
);
4095 qeth_core_remove_osn_attributes(dev
);
4098 rc
= card
->discipline
.ccwgdriver
->probe(card
->gdev
);
4100 qeth_core_free_discipline(card
);
4101 qeth_core_remove_osn_attributes(dev
);
4105 rc
= qeth_core_create_device_attributes(dev
);
4110 write_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
4111 list_add_tail(&card
->list
, &qeth_core_card_list
.list
);
4112 write_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
4116 qeth_core_free_card(card
);
4122 static void qeth_core_remove_device(struct ccwgroup_device
*gdev
)
4124 unsigned long flags
;
4125 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4127 if (card
->discipline
.ccwgdriver
) {
4128 card
->discipline
.ccwgdriver
->remove(gdev
);
4129 qeth_core_free_discipline(card
);
4132 if (card
->info
.type
== QETH_CARD_TYPE_OSN
) {
4133 qeth_core_remove_osn_attributes(&gdev
->dev
);
4135 qeth_core_remove_device_attributes(&gdev
->dev
);
4137 write_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
4138 list_del(&card
->list
);
4139 write_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
4140 qeth_core_free_card(card
);
4141 dev_set_drvdata(&gdev
->dev
, NULL
);
4142 put_device(&gdev
->dev
);
4146 static int qeth_core_set_online(struct ccwgroup_device
*gdev
)
4148 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4152 if (!card
->discipline
.ccwgdriver
) {
4153 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
4154 def_discipline
= QETH_DISCIPLINE_LAYER3
;
4156 def_discipline
= QETH_DISCIPLINE_LAYER2
;
4157 rc
= qeth_core_load_discipline(card
, def_discipline
);
4160 rc
= card
->discipline
.ccwgdriver
->probe(card
->gdev
);
4164 rc
= card
->discipline
.ccwgdriver
->set_online(gdev
);
4169 static int qeth_core_set_offline(struct ccwgroup_device
*gdev
)
4171 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4172 return card
->discipline
.ccwgdriver
->set_offline(gdev
);
4175 static void qeth_core_shutdown(struct ccwgroup_device
*gdev
)
4177 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
4178 if (card
->discipline
.ccwgdriver
&&
4179 card
->discipline
.ccwgdriver
->shutdown
)
4180 card
->discipline
.ccwgdriver
->shutdown(gdev
);
4183 static struct ccwgroup_driver qeth_core_ccwgroup_driver
= {
4184 .owner
= THIS_MODULE
,
4186 .driver_id
= 0xD8C5E3C8,
4187 .probe
= qeth_core_probe_device
,
4188 .remove
= qeth_core_remove_device
,
4189 .set_online
= qeth_core_set_online
,
4190 .set_offline
= qeth_core_set_offline
,
4191 .shutdown
= qeth_core_shutdown
,
4195 qeth_core_driver_group_store(struct device_driver
*ddrv
, const char *buf
,
4199 err
= qeth_core_driver_group(buf
, qeth_core_root_dev
,
4200 qeth_core_ccwgroup_driver
.driver_id
);
4207 static DRIVER_ATTR(group
, 0200, NULL
, qeth_core_driver_group_store
);
4210 const char str
[ETH_GSTRING_LEN
];
4211 } qeth_ethtool_stats_keys
[] = {
4216 {"tx skbs no packing"},
4217 {"tx buffers no packing"},
4218 {"tx skbs packing"},
4219 {"tx buffers packing"},
4222 /* 10 */{"rx sg skbs"},
4224 {"rx sg page allocs"},
4225 {"tx large kbytes"},
4227 {"tx pk state ch n->p"},
4228 {"tx pk state ch p->n"},
4229 {"tx pk watermark low"},
4230 {"tx pk watermark high"},
4231 {"queue 0 buffer usage"},
4232 /* 20 */{"queue 1 buffer usage"},
4233 {"queue 2 buffer usage"},
4234 {"queue 3 buffer usage"},
4235 {"rx handler time"},
4236 {"rx handler count"},
4237 {"rx do_QDIO time"},
4238 {"rx do_QDIO count"},
4239 {"tx handler time"},
4240 {"tx handler count"},
4242 /* 30 */{"tx count"},
4243 {"tx do_QDIO time"},
4244 {"tx do_QDIO count"},
4247 int qeth_core_get_stats_count(struct net_device
*dev
)
4249 return (sizeof(qeth_ethtool_stats_keys
) / ETH_GSTRING_LEN
);
4251 EXPORT_SYMBOL_GPL(qeth_core_get_stats_count
);
4253 void qeth_core_get_ethtool_stats(struct net_device
*dev
,
4254 struct ethtool_stats
*stats
, u64
*data
)
4256 struct qeth_card
*card
= netdev_priv(dev
);
4257 data
[0] = card
->stats
.rx_packets
-
4258 card
->perf_stats
.initial_rx_packets
;
4259 data
[1] = card
->perf_stats
.bufs_rec
;
4260 data
[2] = card
->stats
.tx_packets
-
4261 card
->perf_stats
.initial_tx_packets
;
4262 data
[3] = card
->perf_stats
.bufs_sent
;
4263 data
[4] = card
->stats
.tx_packets
- card
->perf_stats
.initial_tx_packets
4264 - card
->perf_stats
.skbs_sent_pack
;
4265 data
[5] = card
->perf_stats
.bufs_sent
- card
->perf_stats
.bufs_sent_pack
;
4266 data
[6] = card
->perf_stats
.skbs_sent_pack
;
4267 data
[7] = card
->perf_stats
.bufs_sent_pack
;
4268 data
[8] = card
->perf_stats
.sg_skbs_sent
;
4269 data
[9] = card
->perf_stats
.sg_frags_sent
;
4270 data
[10] = card
->perf_stats
.sg_skbs_rx
;
4271 data
[11] = card
->perf_stats
.sg_frags_rx
;
4272 data
[12] = card
->perf_stats
.sg_alloc_page_rx
;
4273 data
[13] = (card
->perf_stats
.large_send_bytes
>> 10);
4274 data
[14] = card
->perf_stats
.large_send_cnt
;
4275 data
[15] = card
->perf_stats
.sc_dp_p
;
4276 data
[16] = card
->perf_stats
.sc_p_dp
;
4277 data
[17] = QETH_LOW_WATERMARK_PACK
;
4278 data
[18] = QETH_HIGH_WATERMARK_PACK
;
4279 data
[19] = atomic_read(&card
->qdio
.out_qs
[0]->used_buffers
);
4280 data
[20] = (card
->qdio
.no_out_queues
> 1) ?
4281 atomic_read(&card
->qdio
.out_qs
[1]->used_buffers
) : 0;
4282 data
[21] = (card
->qdio
.no_out_queues
> 2) ?
4283 atomic_read(&card
->qdio
.out_qs
[2]->used_buffers
) : 0;
4284 data
[22] = (card
->qdio
.no_out_queues
> 3) ?
4285 atomic_read(&card
->qdio
.out_qs
[3]->used_buffers
) : 0;
4286 data
[23] = card
->perf_stats
.inbound_time
;
4287 data
[24] = card
->perf_stats
.inbound_cnt
;
4288 data
[25] = card
->perf_stats
.inbound_do_qdio_time
;
4289 data
[26] = card
->perf_stats
.inbound_do_qdio_cnt
;
4290 data
[27] = card
->perf_stats
.outbound_handler_time
;
4291 data
[28] = card
->perf_stats
.outbound_handler_cnt
;
4292 data
[29] = card
->perf_stats
.outbound_time
;
4293 data
[30] = card
->perf_stats
.outbound_cnt
;
4294 data
[31] = card
->perf_stats
.outbound_do_qdio_time
;
4295 data
[32] = card
->perf_stats
.outbound_do_qdio_cnt
;
4297 EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats
);
4299 void qeth_core_get_strings(struct net_device
*dev
, u32 stringset
, u8
*data
)
4301 switch (stringset
) {
4303 memcpy(data
, &qeth_ethtool_stats_keys
,
4304 sizeof(qeth_ethtool_stats_keys
));
4311 EXPORT_SYMBOL_GPL(qeth_core_get_strings
);
4313 void qeth_core_get_drvinfo(struct net_device
*dev
,
4314 struct ethtool_drvinfo
*info
)
4316 struct qeth_card
*card
= netdev_priv(dev
);
4317 if (card
->options
.layer2
)
4318 strcpy(info
->driver
, "qeth_l2");
4320 strcpy(info
->driver
, "qeth_l3");
4322 strcpy(info
->version
, "1.0");
4323 strcpy(info
->fw_version
, card
->info
.mcl_level
);
4324 sprintf(info
->bus_info
, "%s/%s/%s",
4327 CARD_DDEV_ID(card
));
4329 EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo
);
4331 int qeth_core_ethtool_get_settings(struct net_device
*netdev
,
4332 struct ethtool_cmd
*ecmd
)
4334 struct qeth_card
*card
= netdev_priv(netdev
);
4335 enum qeth_link_types link_type
;
4337 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) || (card
->info
.guestlan
))
4338 link_type
= QETH_LINK_TYPE_10GBIT_ETH
;
4340 link_type
= card
->info
.link_type
;
4342 ecmd
->transceiver
= XCVR_INTERNAL
;
4343 ecmd
->supported
= SUPPORTED_Autoneg
;
4344 ecmd
->advertising
= ADVERTISED_Autoneg
;
4345 ecmd
->duplex
= DUPLEX_FULL
;
4346 ecmd
->autoneg
= AUTONEG_ENABLE
;
4348 switch (link_type
) {
4349 case QETH_LINK_TYPE_FAST_ETH
:
4350 case QETH_LINK_TYPE_LANE_ETH100
:
4351 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
4352 SUPPORTED_10baseT_Full
|
4353 SUPPORTED_100baseT_Half
|
4354 SUPPORTED_100baseT_Full
|
4356 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
4357 ADVERTISED_10baseT_Full
|
4358 ADVERTISED_100baseT_Half
|
4359 ADVERTISED_100baseT_Full
|
4361 ecmd
->speed
= SPEED_100
;
4362 ecmd
->port
= PORT_TP
;
4365 case QETH_LINK_TYPE_GBIT_ETH
:
4366 case QETH_LINK_TYPE_LANE_ETH1000
:
4367 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
4368 SUPPORTED_10baseT_Full
|
4369 SUPPORTED_100baseT_Half
|
4370 SUPPORTED_100baseT_Full
|
4371 SUPPORTED_1000baseT_Half
|
4372 SUPPORTED_1000baseT_Full
|
4374 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
4375 ADVERTISED_10baseT_Full
|
4376 ADVERTISED_100baseT_Half
|
4377 ADVERTISED_100baseT_Full
|
4378 ADVERTISED_1000baseT_Half
|
4379 ADVERTISED_1000baseT_Full
|
4381 ecmd
->speed
= SPEED_1000
;
4382 ecmd
->port
= PORT_FIBRE
;
4385 case QETH_LINK_TYPE_10GBIT_ETH
:
4386 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
4387 SUPPORTED_10baseT_Full
|
4388 SUPPORTED_100baseT_Half
|
4389 SUPPORTED_100baseT_Full
|
4390 SUPPORTED_1000baseT_Half
|
4391 SUPPORTED_1000baseT_Full
|
4392 SUPPORTED_10000baseT_Full
|
4394 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
4395 ADVERTISED_10baseT_Full
|
4396 ADVERTISED_100baseT_Half
|
4397 ADVERTISED_100baseT_Full
|
4398 ADVERTISED_1000baseT_Half
|
4399 ADVERTISED_1000baseT_Full
|
4400 ADVERTISED_10000baseT_Full
|
4402 ecmd
->speed
= SPEED_10000
;
4403 ecmd
->port
= PORT_FIBRE
;
4407 ecmd
->supported
|= SUPPORTED_10baseT_Half
|
4408 SUPPORTED_10baseT_Full
|
4410 ecmd
->advertising
|= ADVERTISED_10baseT_Half
|
4411 ADVERTISED_10baseT_Full
|
4413 ecmd
->speed
= SPEED_10
;
4414 ecmd
->port
= PORT_TP
;
4419 EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings
);
4421 static int __init
qeth_core_init(void)
4425 PRINT_INFO("loading core functions\n");
4426 INIT_LIST_HEAD(&qeth_core_card_list
.list
);
4427 rwlock_init(&qeth_core_card_list
.rwlock
);
4429 rc
= qeth_register_dbf_views();
4432 rc
= ccw_driver_register(&qeth_ccw_driver
);
4435 rc
= ccwgroup_driver_register(&qeth_core_ccwgroup_driver
);
4438 rc
= driver_create_file(&qeth_core_ccwgroup_driver
.driver
,
4439 &driver_attr_group
);
4442 qeth_core_root_dev
= s390_root_dev_register("qeth");
4443 rc
= IS_ERR(qeth_core_root_dev
) ? PTR_ERR(qeth_core_root_dev
) : 0;
4449 driver_remove_file(&qeth_core_ccwgroup_driver
.driver
,
4450 &driver_attr_group
);
4452 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver
);
4454 ccw_driver_unregister(&qeth_ccw_driver
);
4456 qeth_unregister_dbf_views();
4458 PRINT_ERR("Initialization failed with code %d\n", rc
);
4462 static void __exit
qeth_core_exit(void)
4464 s390_root_dev_unregister(qeth_core_root_dev
);
4465 driver_remove_file(&qeth_core_ccwgroup_driver
.driver
,
4466 &driver_attr_group
);
4467 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver
);
4468 ccw_driver_unregister(&qeth_ccw_driver
);
4469 qeth_unregister_dbf_views();
4470 PRINT_INFO("core functions removed\n");
4473 module_init(qeth_core_init
);
4474 module_exit(qeth_core_exit
);
4475 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
4476 MODULE_DESCRIPTION("qeth core functions");
4477 MODULE_LICENSE("GPL");