2 * Copyright IBM Corp. 2007, 2009
3 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
4 * Frank Pavlic <fpavlic@de.ibm.com>,
5 * Thomas Spatzier <tspat@de.ibm.com>,
6 * Frank Blaschka <frank.blaschka@de.ibm.com>
9 #define KMSG_COMPONENT "qeth"
10 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/string.h>
15 #include <linux/errno.h>
16 #include <linux/kernel.h>
18 #include <linux/tcp.h>
19 #include <linux/mii.h>
20 #include <linux/kthread.h>
21 #include <linux/slab.h>
22 #include <net/iucv/af_iucv.h>
23 #include <net/dsfield.h>
25 #include <asm/ebcdic.h>
26 #include <asm/chpid.h>
28 #include <asm/sysinfo.h>
29 #include <asm/compat.h>
31 #include "qeth_core.h"
33 struct qeth_dbf_info qeth_dbf
[QETH_DBF_INFOS
] = {
34 /* define dbf - Name, Pages, Areas, Maxlen, Level, View, Handle */
36 [QETH_DBF_SETUP
] = {"qeth_setup",
37 8, 1, 8, 5, &debug_hex_ascii_view
, NULL
},
38 [QETH_DBF_MSG
] = {"qeth_msg", 8, 1, 11 * sizeof(long), 3,
39 &debug_sprintf_view
, NULL
},
40 [QETH_DBF_CTRL
] = {"qeth_control",
41 8, 1, QETH_DBF_CTRL_LEN
, 5, &debug_hex_ascii_view
, NULL
},
43 EXPORT_SYMBOL_GPL(qeth_dbf
);
45 struct qeth_card_list_struct qeth_core_card_list
;
46 EXPORT_SYMBOL_GPL(qeth_core_card_list
);
47 struct kmem_cache
*qeth_core_header_cache
;
48 EXPORT_SYMBOL_GPL(qeth_core_header_cache
);
49 static struct kmem_cache
*qeth_qdio_outbuf_cache
;
51 static struct device
*qeth_core_root_dev
;
52 static unsigned int known_devices
[][6] = QETH_MODELLIST_ARRAY
;
53 static struct lock_class_key qdio_out_skb_queue_key
;
54 static struct mutex qeth_mod_mutex
;
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
*);
63 static void qeth_free_qdio_buffers(struct qeth_card
*);
64 static void qeth_notify_skbs(struct qeth_qdio_out_q
*queue
,
65 struct qeth_qdio_out_buffer
*buf
,
66 enum iucv_tx_notify notification
);
67 static void qeth_release_skbs(struct qeth_qdio_out_buffer
*buf
);
68 static void qeth_clear_output_buffer(struct qeth_qdio_out_q
*queue
,
69 struct qeth_qdio_out_buffer
*buf
,
70 enum qeth_qdio_buffer_states newbufstate
);
71 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q
*, int);
73 struct workqueue_struct
*qeth_wq
;
74 EXPORT_SYMBOL_GPL(qeth_wq
);
76 int qeth_card_hw_is_reachable(struct qeth_card
*card
)
78 return (card
->state
== CARD_STATE_SOFTSETUP
) ||
79 (card
->state
== CARD_STATE_UP
);
81 EXPORT_SYMBOL_GPL(qeth_card_hw_is_reachable
);
83 static void qeth_close_dev_handler(struct work_struct
*work
)
85 struct qeth_card
*card
;
87 card
= container_of(work
, struct qeth_card
, close_dev_work
);
88 QETH_CARD_TEXT(card
, 2, "cldevhdl");
92 ccwgroup_set_offline(card
->gdev
);
95 void qeth_close_dev(struct qeth_card
*card
)
97 QETH_CARD_TEXT(card
, 2, "cldevsubm");
98 queue_work(qeth_wq
, &card
->close_dev_work
);
100 EXPORT_SYMBOL_GPL(qeth_close_dev
);
102 static inline const char *qeth_get_cardname(struct qeth_card
*card
)
104 if (card
->info
.guestlan
) {
105 switch (card
->info
.type
) {
106 case QETH_CARD_TYPE_OSD
:
107 return " Virtual NIC QDIO";
108 case QETH_CARD_TYPE_IQD
:
109 return " Virtual NIC Hiper";
110 case QETH_CARD_TYPE_OSM
:
111 return " Virtual NIC QDIO - OSM";
112 case QETH_CARD_TYPE_OSX
:
113 return " Virtual NIC QDIO - OSX";
118 switch (card
->info
.type
) {
119 case QETH_CARD_TYPE_OSD
:
120 return " OSD Express";
121 case QETH_CARD_TYPE_IQD
:
122 return " HiperSockets";
123 case QETH_CARD_TYPE_OSN
:
125 case QETH_CARD_TYPE_OSM
:
127 case QETH_CARD_TYPE_OSX
:
136 /* max length to be returned: 14 */
137 const char *qeth_get_cardname_short(struct qeth_card
*card
)
139 if (card
->info
.guestlan
) {
140 switch (card
->info
.type
) {
141 case QETH_CARD_TYPE_OSD
:
142 return "Virt.NIC QDIO";
143 case QETH_CARD_TYPE_IQD
:
144 return "Virt.NIC Hiper";
145 case QETH_CARD_TYPE_OSM
:
146 return "Virt.NIC OSM";
147 case QETH_CARD_TYPE_OSX
:
148 return "Virt.NIC OSX";
153 switch (card
->info
.type
) {
154 case QETH_CARD_TYPE_OSD
:
155 switch (card
->info
.link_type
) {
156 case QETH_LINK_TYPE_FAST_ETH
:
158 case QETH_LINK_TYPE_HSTR
:
160 case QETH_LINK_TYPE_GBIT_ETH
:
162 case QETH_LINK_TYPE_10GBIT_ETH
:
164 case QETH_LINK_TYPE_LANE_ETH100
:
165 return "OSD_FE_LANE";
166 case QETH_LINK_TYPE_LANE_TR
:
167 return "OSD_TR_LANE";
168 case QETH_LINK_TYPE_LANE_ETH1000
:
169 return "OSD_GbE_LANE";
170 case QETH_LINK_TYPE_LANE
:
171 return "OSD_ATM_LANE";
173 return "OSD_Express";
175 case QETH_CARD_TYPE_IQD
:
176 return "HiperSockets";
177 case QETH_CARD_TYPE_OSN
:
179 case QETH_CARD_TYPE_OSM
:
181 case QETH_CARD_TYPE_OSX
:
190 void qeth_set_recovery_task(struct qeth_card
*card
)
192 card
->recovery_task
= current
;
194 EXPORT_SYMBOL_GPL(qeth_set_recovery_task
);
196 void qeth_clear_recovery_task(struct qeth_card
*card
)
198 card
->recovery_task
= NULL
;
200 EXPORT_SYMBOL_GPL(qeth_clear_recovery_task
);
202 static bool qeth_is_recovery_task(const struct qeth_card
*card
)
204 return card
->recovery_task
== current
;
207 void qeth_set_allowed_threads(struct qeth_card
*card
, unsigned long threads
,
208 int clear_start_mask
)
212 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
213 card
->thread_allowed_mask
= threads
;
214 if (clear_start_mask
)
215 card
->thread_start_mask
&= threads
;
216 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
217 wake_up(&card
->wait_q
);
219 EXPORT_SYMBOL_GPL(qeth_set_allowed_threads
);
221 int qeth_threads_running(struct qeth_card
*card
, unsigned long threads
)
226 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
227 rc
= (card
->thread_running_mask
& threads
);
228 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
231 EXPORT_SYMBOL_GPL(qeth_threads_running
);
233 int qeth_wait_for_threads(struct qeth_card
*card
, unsigned long threads
)
235 if (qeth_is_recovery_task(card
))
237 return wait_event_interruptible(card
->wait_q
,
238 qeth_threads_running(card
, threads
) == 0);
240 EXPORT_SYMBOL_GPL(qeth_wait_for_threads
);
242 void qeth_clear_working_pool_list(struct qeth_card
*card
)
244 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
246 QETH_CARD_TEXT(card
, 5, "clwrklst");
247 list_for_each_entry_safe(pool_entry
, tmp
,
248 &card
->qdio
.in_buf_pool
.entry_list
, list
){
249 list_del(&pool_entry
->list
);
252 EXPORT_SYMBOL_GPL(qeth_clear_working_pool_list
);
254 static int qeth_alloc_buffer_pool(struct qeth_card
*card
)
256 struct qeth_buffer_pool_entry
*pool_entry
;
260 QETH_CARD_TEXT(card
, 5, "alocpool");
261 for (i
= 0; i
< card
->qdio
.init_pool
.buf_count
; ++i
) {
262 pool_entry
= kzalloc(sizeof(*pool_entry
), GFP_KERNEL
);
264 qeth_free_buffer_pool(card
);
267 for (j
= 0; j
< QETH_MAX_BUFFER_ELEMENTS(card
); ++j
) {
268 ptr
= (void *) __get_free_page(GFP_KERNEL
);
271 free_page((unsigned long)
272 pool_entry
->elements
[--j
]);
274 qeth_free_buffer_pool(card
);
277 pool_entry
->elements
[j
] = ptr
;
279 list_add(&pool_entry
->init_list
,
280 &card
->qdio
.init_pool
.entry_list
);
285 int qeth_realloc_buffer_pool(struct qeth_card
*card
, int bufcnt
)
287 QETH_CARD_TEXT(card
, 2, "realcbp");
289 if ((card
->state
!= CARD_STATE_DOWN
) &&
290 (card
->state
!= CARD_STATE_RECOVER
))
293 /* TODO: steel/add buffers from/to a running card's buffer pool (?) */
294 qeth_clear_working_pool_list(card
);
295 qeth_free_buffer_pool(card
);
296 card
->qdio
.in_buf_pool
.buf_count
= bufcnt
;
297 card
->qdio
.init_pool
.buf_count
= bufcnt
;
298 return qeth_alloc_buffer_pool(card
);
300 EXPORT_SYMBOL_GPL(qeth_realloc_buffer_pool
);
302 static void qeth_free_qdio_queue(struct qeth_qdio_q
*q
)
307 qdio_free_buffers(q
->qdio_bufs
, QDIO_MAX_BUFFERS_PER_Q
);
311 static struct qeth_qdio_q
*qeth_alloc_qdio_queue(void)
313 struct qeth_qdio_q
*q
= kzalloc(sizeof(*q
), GFP_KERNEL
);
319 if (qdio_alloc_buffers(q
->qdio_bufs
, QDIO_MAX_BUFFERS_PER_Q
)) {
324 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
)
325 q
->bufs
[i
].buffer
= q
->qdio_bufs
[i
];
327 QETH_DBF_HEX(SETUP
, 2, &q
, sizeof(void *));
331 static inline int qeth_cq_init(struct qeth_card
*card
)
335 if (card
->options
.cq
== QETH_CQ_ENABLED
) {
336 QETH_DBF_TEXT(SETUP
, 2, "cqinit");
337 qdio_reset_buffers(card
->qdio
.c_q
->qdio_bufs
,
338 QDIO_MAX_BUFFERS_PER_Q
);
339 card
->qdio
.c_q
->next_buf_to_init
= 127;
340 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
,
341 card
->qdio
.no_in_queues
- 1, 0,
344 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
353 static inline int qeth_alloc_cq(struct qeth_card
*card
)
357 if (card
->options
.cq
== QETH_CQ_ENABLED
) {
359 struct qdio_outbuf_state
*outbuf_states
;
361 QETH_DBF_TEXT(SETUP
, 2, "cqon");
362 card
->qdio
.c_q
= qeth_alloc_qdio_queue();
363 if (!card
->qdio
.c_q
) {
367 card
->qdio
.no_in_queues
= 2;
368 card
->qdio
.out_bufstates
=
369 kzalloc(card
->qdio
.no_out_queues
*
370 QDIO_MAX_BUFFERS_PER_Q
*
371 sizeof(struct qdio_outbuf_state
), GFP_KERNEL
);
372 outbuf_states
= card
->qdio
.out_bufstates
;
373 if (outbuf_states
== NULL
) {
377 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
378 card
->qdio
.out_qs
[i
]->bufstates
= outbuf_states
;
379 outbuf_states
+= QDIO_MAX_BUFFERS_PER_Q
;
382 QETH_DBF_TEXT(SETUP
, 2, "nocq");
383 card
->qdio
.c_q
= NULL
;
384 card
->qdio
.no_in_queues
= 1;
386 QETH_DBF_TEXT_(SETUP
, 2, "iqc%d", card
->qdio
.no_in_queues
);
391 qeth_free_qdio_queue(card
->qdio
.c_q
);
392 card
->qdio
.c_q
= NULL
;
394 dev_err(&card
->gdev
->dev
, "Failed to create completion queue\n");
398 static inline void qeth_free_cq(struct qeth_card
*card
)
400 if (card
->qdio
.c_q
) {
401 --card
->qdio
.no_in_queues
;
402 qeth_free_qdio_queue(card
->qdio
.c_q
);
403 card
->qdio
.c_q
= NULL
;
405 kfree(card
->qdio
.out_bufstates
);
406 card
->qdio
.out_bufstates
= NULL
;
409 static inline enum iucv_tx_notify
qeth_compute_cq_notification(int sbalf15
,
411 enum iucv_tx_notify n
;
415 n
= delayed
? TX_NOTIFY_DELAYED_OK
: TX_NOTIFY_OK
;
421 n
= delayed
? TX_NOTIFY_DELAYED_UNREACHABLE
:
422 TX_NOTIFY_UNREACHABLE
;
425 n
= delayed
? TX_NOTIFY_DELAYED_GENERALERROR
:
426 TX_NOTIFY_GENERALERROR
;
433 static inline void qeth_cleanup_handled_pending(struct qeth_qdio_out_q
*q
,
434 int bidx
, int forced_cleanup
)
436 if (q
->card
->options
.cq
!= QETH_CQ_ENABLED
)
439 if (q
->bufs
[bidx
]->next_pending
!= NULL
) {
440 struct qeth_qdio_out_buffer
*head
= q
->bufs
[bidx
];
441 struct qeth_qdio_out_buffer
*c
= q
->bufs
[bidx
]->next_pending
;
444 if (forced_cleanup
||
445 atomic_read(&c
->state
) ==
446 QETH_QDIO_BUF_HANDLED_DELAYED
) {
447 struct qeth_qdio_out_buffer
*f
= c
;
448 QETH_CARD_TEXT(f
->q
->card
, 5, "fp");
449 QETH_CARD_TEXT_(f
->q
->card
, 5, "%lx", (long) f
);
450 /* release here to avoid interleaving between
451 outbound tasklet and inbound tasklet
452 regarding notifications and lifecycle */
453 qeth_release_skbs(c
);
456 WARN_ON_ONCE(head
->next_pending
!= f
);
457 head
->next_pending
= c
;
458 kmem_cache_free(qeth_qdio_outbuf_cache
, f
);
466 if (forced_cleanup
&& (atomic_read(&(q
->bufs
[bidx
]->state
)) ==
467 QETH_QDIO_BUF_HANDLED_DELAYED
)) {
468 /* for recovery situations */
469 q
->bufs
[bidx
]->aob
= q
->bufstates
[bidx
].aob
;
470 qeth_init_qdio_out_buf(q
, bidx
);
471 QETH_CARD_TEXT(q
->card
, 2, "clprecov");
476 static inline void qeth_qdio_handle_aob(struct qeth_card
*card
,
477 unsigned long phys_aob_addr
) {
479 struct qeth_qdio_out_buffer
*buffer
;
480 enum iucv_tx_notify notification
;
482 aob
= (struct qaob
*) phys_to_virt(phys_aob_addr
);
483 QETH_CARD_TEXT(card
, 5, "haob");
484 QETH_CARD_TEXT_(card
, 5, "%lx", phys_aob_addr
);
485 buffer
= (struct qeth_qdio_out_buffer
*) aob
->user1
;
486 QETH_CARD_TEXT_(card
, 5, "%lx", aob
->user1
);
488 if (atomic_cmpxchg(&buffer
->state
, QETH_QDIO_BUF_PRIMED
,
489 QETH_QDIO_BUF_IN_CQ
) == QETH_QDIO_BUF_PRIMED
) {
490 notification
= TX_NOTIFY_OK
;
492 WARN_ON_ONCE(atomic_read(&buffer
->state
) !=
493 QETH_QDIO_BUF_PENDING
);
494 atomic_set(&buffer
->state
, QETH_QDIO_BUF_IN_CQ
);
495 notification
= TX_NOTIFY_DELAYED_OK
;
498 if (aob
->aorc
!= 0) {
499 QETH_CARD_TEXT_(card
, 2, "aorc%02X", aob
->aorc
);
500 notification
= qeth_compute_cq_notification(aob
->aorc
, 1);
502 qeth_notify_skbs(buffer
->q
, buffer
, notification
);
505 qeth_clear_output_buffer(buffer
->q
, buffer
,
506 QETH_QDIO_BUF_HANDLED_DELAYED
);
508 /* from here on: do not touch buffer anymore */
509 qdio_release_aob(aob
);
512 static inline int qeth_is_cq(struct qeth_card
*card
, unsigned int queue
)
514 return card
->options
.cq
== QETH_CQ_ENABLED
&&
515 card
->qdio
.c_q
!= NULL
&&
517 queue
== card
->qdio
.no_in_queues
- 1;
521 static int qeth_issue_next_read(struct qeth_card
*card
)
524 struct qeth_cmd_buffer
*iob
;
526 QETH_CARD_TEXT(card
, 5, "issnxrd");
527 if (card
->read
.state
!= CH_STATE_UP
)
529 iob
= qeth_get_buffer(&card
->read
);
531 dev_warn(&card
->gdev
->dev
, "The qeth device driver "
532 "failed to recover an error on the device\n");
533 QETH_DBF_MESSAGE(2, "%s issue_next_read failed: no iob "
534 "available\n", dev_name(&card
->gdev
->dev
));
537 qeth_setup_ccw(&card
->read
, iob
->data
, QETH_BUFSIZE
);
538 QETH_CARD_TEXT(card
, 6, "noirqpnd");
539 rc
= ccw_device_start(card
->read
.ccwdev
, &card
->read
.ccw
,
542 QETH_DBF_MESSAGE(2, "%s error in starting next read ccw! "
543 "rc=%i\n", dev_name(&card
->gdev
->dev
), rc
);
544 atomic_set(&card
->read
.irq_pending
, 0);
545 card
->read_or_write_problem
= 1;
546 qeth_schedule_recovery(card
);
547 wake_up(&card
->wait_q
);
552 static struct qeth_reply
*qeth_alloc_reply(struct qeth_card
*card
)
554 struct qeth_reply
*reply
;
556 reply
= kzalloc(sizeof(struct qeth_reply
), GFP_ATOMIC
);
558 atomic_set(&reply
->refcnt
, 1);
559 atomic_set(&reply
->received
, 0);
565 static void qeth_get_reply(struct qeth_reply
*reply
)
567 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
568 atomic_inc(&reply
->refcnt
);
571 static void qeth_put_reply(struct qeth_reply
*reply
)
573 WARN_ON(atomic_read(&reply
->refcnt
) <= 0);
574 if (atomic_dec_and_test(&reply
->refcnt
))
578 static void qeth_issue_ipa_msg(struct qeth_ipa_cmd
*cmd
, int rc
,
579 struct qeth_card
*card
)
582 int com
= cmd
->hdr
.command
;
583 ipa_name
= qeth_get_ipa_cmd_name(com
);
585 QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s/%s returned "
587 ipa_name
, com
, dev_name(&card
->gdev
->dev
),
588 QETH_CARD_IFNAME(card
), rc
,
589 qeth_get_ipa_msg(rc
));
591 QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s/%s succeeded\n",
592 ipa_name
, com
, dev_name(&card
->gdev
->dev
),
593 QETH_CARD_IFNAME(card
));
596 static struct qeth_ipa_cmd
*qeth_check_ipa_data(struct qeth_card
*card
,
597 struct qeth_cmd_buffer
*iob
)
599 struct qeth_ipa_cmd
*cmd
= NULL
;
601 QETH_CARD_TEXT(card
, 5, "chkipad");
602 if (IS_IPA(iob
->data
)) {
603 cmd
= (struct qeth_ipa_cmd
*) PDU_ENCAPSULATION(iob
->data
);
604 if (IS_IPA_REPLY(cmd
)) {
605 if (cmd
->hdr
.command
!= IPA_CMD_SETCCID
&&
606 cmd
->hdr
.command
!= IPA_CMD_DELCCID
&&
607 cmd
->hdr
.command
!= IPA_CMD_MODCCID
&&
608 cmd
->hdr
.command
!= IPA_CMD_SET_DIAG_ASS
)
609 qeth_issue_ipa_msg(cmd
,
610 cmd
->hdr
.return_code
, card
);
613 switch (cmd
->hdr
.command
) {
614 case IPA_CMD_STOPLAN
:
615 if (cmd
->hdr
.return_code
==
616 IPA_RC_VEPA_TO_VEB_TRANSITION
) {
617 dev_err(&card
->gdev
->dev
,
618 "Interface %s is down because the "
619 "adjacent port is no longer in "
620 "reflective relay mode\n",
621 QETH_CARD_IFNAME(card
));
622 qeth_close_dev(card
);
624 dev_warn(&card
->gdev
->dev
,
625 "The link for interface %s on CHPID"
627 QETH_CARD_IFNAME(card
),
629 qeth_issue_ipa_msg(cmd
,
630 cmd
->hdr
.return_code
, card
);
632 card
->lan_online
= 0;
633 if (card
->dev
&& netif_carrier_ok(card
->dev
))
634 netif_carrier_off(card
->dev
);
636 case IPA_CMD_STARTLAN
:
637 dev_info(&card
->gdev
->dev
,
638 "The link for %s on CHPID 0x%X has"
640 QETH_CARD_IFNAME(card
),
642 netif_carrier_on(card
->dev
);
643 card
->lan_online
= 1;
644 if (card
->info
.hwtrap
)
645 card
->info
.hwtrap
= 2;
646 qeth_schedule_recovery(card
);
648 case IPA_CMD_SETBRIDGEPORT
:
649 case IPA_CMD_ADDRESS_CHANGE_NOTIF
:
650 if (card
->discipline
->control_event_handler
655 case IPA_CMD_MODCCID
:
657 case IPA_CMD_REGISTER_LOCAL_ADDR
:
658 QETH_CARD_TEXT(card
, 3, "irla");
660 case IPA_CMD_UNREGISTER_LOCAL_ADDR
:
661 QETH_CARD_TEXT(card
, 3, "urla");
664 QETH_DBF_MESSAGE(2, "Received data is IPA "
665 "but not a reply!\n");
673 void qeth_clear_ipacmd_list(struct qeth_card
*card
)
675 struct qeth_reply
*reply
, *r
;
678 QETH_CARD_TEXT(card
, 4, "clipalst");
680 spin_lock_irqsave(&card
->lock
, flags
);
681 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
682 qeth_get_reply(reply
);
684 atomic_inc(&reply
->received
);
685 list_del_init(&reply
->list
);
686 wake_up(&reply
->wait_q
);
687 qeth_put_reply(reply
);
689 spin_unlock_irqrestore(&card
->lock
, flags
);
690 atomic_set(&card
->write
.irq_pending
, 0);
692 EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list
);
694 static int qeth_check_idx_response(struct qeth_card
*card
,
695 unsigned char *buffer
)
700 QETH_DBF_HEX(CTRL
, 2, buffer
, QETH_DBF_CTRL_LEN
);
701 if ((buffer
[2] & 0xc0) == 0xc0) {
702 QETH_DBF_MESSAGE(2, "received an IDX TERMINATE "
703 "with cause code 0x%02x%s\n",
705 ((buffer
[4] == 0x22) ?
706 " -- try another portname" : ""));
707 QETH_CARD_TEXT(card
, 2, "ckidxres");
708 QETH_CARD_TEXT(card
, 2, " idxterm");
709 QETH_CARD_TEXT_(card
, 2, " rc%d", -EIO
);
710 if (buffer
[4] == 0xf6) {
711 dev_err(&card
->gdev
->dev
,
712 "The qeth device is not configured "
713 "for the OSI layer required by z/VM\n");
721 static struct qeth_card
*CARD_FROM_CDEV(struct ccw_device
*cdev
)
723 struct qeth_card
*card
= dev_get_drvdata(&((struct ccwgroup_device
*)
724 dev_get_drvdata(&cdev
->dev
))->dev
);
728 static void qeth_setup_ccw(struct qeth_channel
*channel
, unsigned char *iob
,
731 struct qeth_card
*card
;
733 card
= CARD_FROM_CDEV(channel
->ccwdev
);
734 QETH_CARD_TEXT(card
, 4, "setupccw");
735 if (channel
== &card
->read
)
736 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
738 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
739 channel
->ccw
.count
= len
;
740 channel
->ccw
.cda
= (__u32
) __pa(iob
);
743 static struct qeth_cmd_buffer
*__qeth_get_buffer(struct qeth_channel
*channel
)
747 QETH_CARD_TEXT(CARD_FROM_CDEV(channel
->ccwdev
), 6, "getbuff");
748 index
= channel
->io_buf_no
;
750 if (channel
->iob
[index
].state
== BUF_STATE_FREE
) {
751 channel
->iob
[index
].state
= BUF_STATE_LOCKED
;
752 channel
->io_buf_no
= (channel
->io_buf_no
+ 1) %
754 memset(channel
->iob
[index
].data
, 0, QETH_BUFSIZE
);
755 return channel
->iob
+ index
;
757 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
758 } while (index
!= channel
->io_buf_no
);
763 void qeth_release_buffer(struct qeth_channel
*channel
,
764 struct qeth_cmd_buffer
*iob
)
768 QETH_CARD_TEXT(CARD_FROM_CDEV(channel
->ccwdev
), 6, "relbuff");
769 spin_lock_irqsave(&channel
->iob_lock
, flags
);
770 memset(iob
->data
, 0, QETH_BUFSIZE
);
771 iob
->state
= BUF_STATE_FREE
;
772 iob
->callback
= qeth_send_control_data_cb
;
774 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
775 wake_up(&channel
->wait_q
);
777 EXPORT_SYMBOL_GPL(qeth_release_buffer
);
779 static struct qeth_cmd_buffer
*qeth_get_buffer(struct qeth_channel
*channel
)
781 struct qeth_cmd_buffer
*buffer
= NULL
;
784 spin_lock_irqsave(&channel
->iob_lock
, flags
);
785 buffer
= __qeth_get_buffer(channel
);
786 spin_unlock_irqrestore(&channel
->iob_lock
, flags
);
790 struct qeth_cmd_buffer
*qeth_wait_for_buffer(struct qeth_channel
*channel
)
792 struct qeth_cmd_buffer
*buffer
;
793 wait_event(channel
->wait_q
,
794 ((buffer
= qeth_get_buffer(channel
)) != NULL
));
797 EXPORT_SYMBOL_GPL(qeth_wait_for_buffer
);
799 void qeth_clear_cmd_buffers(struct qeth_channel
*channel
)
803 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++)
804 qeth_release_buffer(channel
, &channel
->iob
[cnt
]);
806 channel
->io_buf_no
= 0;
808 EXPORT_SYMBOL_GPL(qeth_clear_cmd_buffers
);
810 static void qeth_send_control_data_cb(struct qeth_channel
*channel
,
811 struct qeth_cmd_buffer
*iob
)
813 struct qeth_card
*card
;
814 struct qeth_reply
*reply
, *r
;
815 struct qeth_ipa_cmd
*cmd
;
820 card
= CARD_FROM_CDEV(channel
->ccwdev
);
821 QETH_CARD_TEXT(card
, 4, "sndctlcb");
822 rc
= qeth_check_idx_response(card
, iob
->data
);
827 qeth_clear_ipacmd_list(card
);
828 qeth_schedule_recovery(card
);
834 cmd
= qeth_check_ipa_data(card
, iob
);
835 if ((cmd
== NULL
) && (card
->state
!= CARD_STATE_DOWN
))
837 /*in case of OSN : check if cmd is set */
838 if (card
->info
.type
== QETH_CARD_TYPE_OSN
&&
840 cmd
->hdr
.command
!= IPA_CMD_STARTLAN
&&
841 card
->osn_info
.assist_cb
!= NULL
) {
842 card
->osn_info
.assist_cb(card
->dev
, cmd
);
846 spin_lock_irqsave(&card
->lock
, flags
);
847 list_for_each_entry_safe(reply
, r
, &card
->cmd_waiter_list
, list
) {
848 if ((reply
->seqno
== QETH_IDX_COMMAND_SEQNO
) ||
849 ((cmd
) && (reply
->seqno
== cmd
->hdr
.seqno
))) {
850 qeth_get_reply(reply
);
851 list_del_init(&reply
->list
);
852 spin_unlock_irqrestore(&card
->lock
, flags
);
854 if (reply
->callback
!= NULL
) {
856 reply
->offset
= (__u16
)((char *)cmd
-
858 keep_reply
= reply
->callback(card
,
862 keep_reply
= reply
->callback(card
,
867 reply
->rc
= (u16
) cmd
->hdr
.return_code
;
871 spin_lock_irqsave(&card
->lock
, flags
);
872 list_add_tail(&reply
->list
,
873 &card
->cmd_waiter_list
);
874 spin_unlock_irqrestore(&card
->lock
, flags
);
876 atomic_inc(&reply
->received
);
877 wake_up(&reply
->wait_q
);
879 qeth_put_reply(reply
);
883 spin_unlock_irqrestore(&card
->lock
, flags
);
885 memcpy(&card
->seqno
.pdu_hdr_ack
,
886 QETH_PDU_HEADER_SEQ_NO(iob
->data
),
888 qeth_release_buffer(channel
, iob
);
891 static int qeth_setup_channel(struct qeth_channel
*channel
)
895 QETH_DBF_TEXT(SETUP
, 2, "setupch");
896 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++) {
897 channel
->iob
[cnt
].data
=
898 kzalloc(QETH_BUFSIZE
, GFP_DMA
|GFP_KERNEL
);
899 if (channel
->iob
[cnt
].data
== NULL
)
901 channel
->iob
[cnt
].state
= BUF_STATE_FREE
;
902 channel
->iob
[cnt
].channel
= channel
;
903 channel
->iob
[cnt
].callback
= qeth_send_control_data_cb
;
904 channel
->iob
[cnt
].rc
= 0;
906 if (cnt
< QETH_CMD_BUFFER_NO
) {
908 kfree(channel
->iob
[cnt
].data
);
912 channel
->io_buf_no
= 0;
913 atomic_set(&channel
->irq_pending
, 0);
914 spin_lock_init(&channel
->iob_lock
);
916 init_waitqueue_head(&channel
->wait_q
);
920 static int qeth_set_thread_start_bit(struct qeth_card
*card
,
921 unsigned long thread
)
925 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
926 if (!(card
->thread_allowed_mask
& thread
) ||
927 (card
->thread_start_mask
& thread
)) {
928 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
931 card
->thread_start_mask
|= thread
;
932 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
936 void qeth_clear_thread_start_bit(struct qeth_card
*card
, unsigned long thread
)
940 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
941 card
->thread_start_mask
&= ~thread
;
942 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
943 wake_up(&card
->wait_q
);
945 EXPORT_SYMBOL_GPL(qeth_clear_thread_start_bit
);
947 void qeth_clear_thread_running_bit(struct qeth_card
*card
, unsigned long thread
)
951 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
952 card
->thread_running_mask
&= ~thread
;
953 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
954 wake_up(&card
->wait_q
);
956 EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit
);
958 static int __qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
963 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
964 if (card
->thread_start_mask
& thread
) {
965 if ((card
->thread_allowed_mask
& thread
) &&
966 !(card
->thread_running_mask
& thread
)) {
968 card
->thread_start_mask
&= ~thread
;
969 card
->thread_running_mask
|= thread
;
973 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
977 int qeth_do_run_thread(struct qeth_card
*card
, unsigned long thread
)
981 wait_event(card
->wait_q
,
982 (rc
= __qeth_do_run_thread(card
, thread
)) >= 0);
985 EXPORT_SYMBOL_GPL(qeth_do_run_thread
);
987 void qeth_schedule_recovery(struct qeth_card
*card
)
989 QETH_CARD_TEXT(card
, 2, "startrec");
990 if (qeth_set_thread_start_bit(card
, QETH_RECOVER_THREAD
) == 0)
991 schedule_work(&card
->kernel_thread_starter
);
993 EXPORT_SYMBOL_GPL(qeth_schedule_recovery
);
995 static int qeth_get_problem(struct ccw_device
*cdev
, struct irb
*irb
)
999 struct qeth_card
*card
;
1001 sense
= (char *) irb
->ecw
;
1002 cstat
= irb
->scsw
.cmd
.cstat
;
1003 dstat
= irb
->scsw
.cmd
.dstat
;
1004 card
= CARD_FROM_CDEV(cdev
);
1006 if (cstat
& (SCHN_STAT_CHN_CTRL_CHK
| SCHN_STAT_INTF_CTRL_CHK
|
1007 SCHN_STAT_CHN_DATA_CHK
| SCHN_STAT_CHAIN_CHECK
|
1008 SCHN_STAT_PROT_CHECK
| SCHN_STAT_PROG_CHECK
)) {
1009 QETH_CARD_TEXT(card
, 2, "CGENCHK");
1010 dev_warn(&cdev
->dev
, "The qeth device driver "
1011 "failed to recover an error on the device\n");
1012 QETH_DBF_MESSAGE(2, "%s check on device dstat=x%x, cstat=x%x\n",
1013 dev_name(&cdev
->dev
), dstat
, cstat
);
1014 print_hex_dump(KERN_WARNING
, "qeth: irb ", DUMP_PREFIX_OFFSET
,
1019 if (dstat
& DEV_STAT_UNIT_CHECK
) {
1020 if (sense
[SENSE_RESETTING_EVENT_BYTE
] &
1021 SENSE_RESETTING_EVENT_FLAG
) {
1022 QETH_CARD_TEXT(card
, 2, "REVIND");
1025 if (sense
[SENSE_COMMAND_REJECT_BYTE
] &
1026 SENSE_COMMAND_REJECT_FLAG
) {
1027 QETH_CARD_TEXT(card
, 2, "CMDREJi");
1030 if ((sense
[2] == 0xaf) && (sense
[3] == 0xfe)) {
1031 QETH_CARD_TEXT(card
, 2, "AFFE");
1034 if ((!sense
[0]) && (!sense
[1]) && (!sense
[2]) && (!sense
[3])) {
1035 QETH_CARD_TEXT(card
, 2, "ZEROSEN");
1038 QETH_CARD_TEXT(card
, 2, "DGENCHK");
1044 static long __qeth_check_irb_error(struct ccw_device
*cdev
,
1045 unsigned long intparm
, struct irb
*irb
)
1047 struct qeth_card
*card
;
1049 card
= CARD_FROM_CDEV(cdev
);
1051 if (!card
|| !IS_ERR(irb
))
1054 switch (PTR_ERR(irb
)) {
1056 QETH_DBF_MESSAGE(2, "%s i/o-error on device\n",
1057 dev_name(&cdev
->dev
));
1058 QETH_CARD_TEXT(card
, 2, "ckirberr");
1059 QETH_CARD_TEXT_(card
, 2, " rc%d", -EIO
);
1062 dev_warn(&cdev
->dev
, "A hardware operation timed out"
1063 " on the device\n");
1064 QETH_CARD_TEXT(card
, 2, "ckirberr");
1065 QETH_CARD_TEXT_(card
, 2, " rc%d", -ETIMEDOUT
);
1066 if (intparm
== QETH_RCD_PARM
) {
1067 if (card
->data
.ccwdev
== cdev
) {
1068 card
->data
.state
= CH_STATE_DOWN
;
1069 wake_up(&card
->wait_q
);
1074 QETH_DBF_MESSAGE(2, "%s unknown error %ld on device\n",
1075 dev_name(&cdev
->dev
), PTR_ERR(irb
));
1076 QETH_CARD_TEXT(card
, 2, "ckirberr");
1077 QETH_CARD_TEXT(card
, 2, " rc???");
1079 return PTR_ERR(irb
);
1082 static void qeth_irq(struct ccw_device
*cdev
, unsigned long intparm
,
1087 struct qeth_cmd_buffer
*buffer
;
1088 struct qeth_channel
*channel
;
1089 struct qeth_card
*card
;
1090 struct qeth_cmd_buffer
*iob
;
1093 if (__qeth_check_irb_error(cdev
, intparm
, irb
))
1095 cstat
= irb
->scsw
.cmd
.cstat
;
1096 dstat
= irb
->scsw
.cmd
.dstat
;
1098 card
= CARD_FROM_CDEV(cdev
);
1102 QETH_CARD_TEXT(card
, 5, "irq");
1104 if (card
->read
.ccwdev
== cdev
) {
1105 channel
= &card
->read
;
1106 QETH_CARD_TEXT(card
, 5, "read");
1107 } else if (card
->write
.ccwdev
== cdev
) {
1108 channel
= &card
->write
;
1109 QETH_CARD_TEXT(card
, 5, "write");
1111 channel
= &card
->data
;
1112 QETH_CARD_TEXT(card
, 5, "data");
1114 atomic_set(&channel
->irq_pending
, 0);
1116 if (irb
->scsw
.cmd
.fctl
& (SCSW_FCTL_CLEAR_FUNC
))
1117 channel
->state
= CH_STATE_STOPPED
;
1119 if (irb
->scsw
.cmd
.fctl
& (SCSW_FCTL_HALT_FUNC
))
1120 channel
->state
= CH_STATE_HALTED
;
1122 /*let's wake up immediately on data channel*/
1123 if ((channel
== &card
->data
) && (intparm
!= 0) &&
1124 (intparm
!= QETH_RCD_PARM
))
1127 if (intparm
== QETH_CLEAR_CHANNEL_PARM
) {
1128 QETH_CARD_TEXT(card
, 6, "clrchpar");
1129 /* we don't have to handle this further */
1132 if (intparm
== QETH_HALT_CHANNEL_PARM
) {
1133 QETH_CARD_TEXT(card
, 6, "hltchpar");
1134 /* we don't have to handle this further */
1137 if ((dstat
& DEV_STAT_UNIT_EXCEP
) ||
1138 (dstat
& DEV_STAT_UNIT_CHECK
) ||
1140 if (irb
->esw
.esw0
.erw
.cons
) {
1141 dev_warn(&channel
->ccwdev
->dev
,
1142 "The qeth device driver failed to recover "
1143 "an error on the device\n");
1144 QETH_DBF_MESSAGE(2, "%s sense data available. cstat "
1145 "0x%X dstat 0x%X\n",
1146 dev_name(&channel
->ccwdev
->dev
), cstat
, dstat
);
1147 print_hex_dump(KERN_WARNING
, "qeth: irb ",
1148 DUMP_PREFIX_OFFSET
, 16, 1, irb
, 32, 1);
1149 print_hex_dump(KERN_WARNING
, "qeth: sense data ",
1150 DUMP_PREFIX_OFFSET
, 16, 1, irb
->ecw
, 32, 1);
1152 if (intparm
== QETH_RCD_PARM
) {
1153 channel
->state
= CH_STATE_DOWN
;
1156 rc
= qeth_get_problem(cdev
, irb
);
1158 qeth_clear_ipacmd_list(card
);
1159 qeth_schedule_recovery(card
);
1164 if (intparm
== QETH_RCD_PARM
) {
1165 channel
->state
= CH_STATE_RCD_DONE
;
1169 buffer
= (struct qeth_cmd_buffer
*) __va((addr_t
)intparm
);
1170 buffer
->state
= BUF_STATE_PROCESSED
;
1172 if (channel
== &card
->data
)
1174 if (channel
== &card
->read
&&
1175 channel
->state
== CH_STATE_UP
)
1176 qeth_issue_next_read(card
);
1179 index
= channel
->buf_no
;
1180 while (iob
[index
].state
== BUF_STATE_PROCESSED
) {
1181 if (iob
[index
].callback
!= NULL
)
1182 iob
[index
].callback(channel
, iob
+ index
);
1184 index
= (index
+ 1) % QETH_CMD_BUFFER_NO
;
1186 channel
->buf_no
= index
;
1188 wake_up(&card
->wait_q
);
1192 static void qeth_notify_skbs(struct qeth_qdio_out_q
*q
,
1193 struct qeth_qdio_out_buffer
*buf
,
1194 enum iucv_tx_notify notification
)
1196 struct sk_buff
*skb
;
1198 if (skb_queue_empty(&buf
->skb_list
))
1200 skb
= skb_peek(&buf
->skb_list
);
1202 QETH_CARD_TEXT_(q
->card
, 5, "skbn%d", notification
);
1203 QETH_CARD_TEXT_(q
->card
, 5, "%lx", (long) skb
);
1204 if (skb
->protocol
== ETH_P_AF_IUCV
) {
1206 struct iucv_sock
*iucv
= iucv_sk(skb
->sk
);
1207 iucv
->sk_txnotify(skb
, notification
);
1210 if (skb_queue_is_last(&buf
->skb_list
, skb
))
1213 skb
= skb_queue_next(&buf
->skb_list
, skb
);
1219 static void qeth_release_skbs(struct qeth_qdio_out_buffer
*buf
)
1221 struct sk_buff
*skb
;
1222 struct iucv_sock
*iucv
;
1223 int notify_general_error
= 0;
1225 if (atomic_read(&buf
->state
) == QETH_QDIO_BUF_PENDING
)
1226 notify_general_error
= 1;
1228 /* release may never happen from within CQ tasklet scope */
1229 WARN_ON_ONCE(atomic_read(&buf
->state
) == QETH_QDIO_BUF_IN_CQ
);
1231 skb
= skb_dequeue(&buf
->skb_list
);
1233 QETH_CARD_TEXT(buf
->q
->card
, 5, "skbr");
1234 QETH_CARD_TEXT_(buf
->q
->card
, 5, "%lx", (long) skb
);
1235 if (notify_general_error
&& skb
->protocol
== ETH_P_AF_IUCV
) {
1237 iucv
= iucv_sk(skb
->sk
);
1238 iucv
->sk_txnotify(skb
, TX_NOTIFY_GENERALERROR
);
1241 atomic_dec(&skb
->users
);
1242 dev_kfree_skb_any(skb
);
1243 skb
= skb_dequeue(&buf
->skb_list
);
1247 static void qeth_clear_output_buffer(struct qeth_qdio_out_q
*queue
,
1248 struct qeth_qdio_out_buffer
*buf
,
1249 enum qeth_qdio_buffer_states newbufstate
)
1253 /* is PCI flag set on buffer? */
1254 if (buf
->buffer
->element
[0].sflags
& SBAL_SFLAGS0_PCI_REQ
)
1255 atomic_dec(&queue
->set_pci_flags_count
);
1257 if (newbufstate
== QETH_QDIO_BUF_EMPTY
) {
1258 qeth_release_skbs(buf
);
1260 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(queue
->card
); ++i
) {
1261 if (buf
->buffer
->element
[i
].addr
&& buf
->is_header
[i
])
1262 kmem_cache_free(qeth_core_header_cache
,
1263 buf
->buffer
->element
[i
].addr
);
1264 buf
->is_header
[i
] = 0;
1265 buf
->buffer
->element
[i
].length
= 0;
1266 buf
->buffer
->element
[i
].addr
= NULL
;
1267 buf
->buffer
->element
[i
].eflags
= 0;
1268 buf
->buffer
->element
[i
].sflags
= 0;
1270 buf
->buffer
->element
[15].eflags
= 0;
1271 buf
->buffer
->element
[15].sflags
= 0;
1272 buf
->next_element_to_fill
= 0;
1273 atomic_set(&buf
->state
, newbufstate
);
1276 static void qeth_clear_outq_buffers(struct qeth_qdio_out_q
*q
, int free
)
1280 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
1283 qeth_cleanup_handled_pending(q
, j
, 1);
1284 qeth_clear_output_buffer(q
, q
->bufs
[j
], QETH_QDIO_BUF_EMPTY
);
1286 kmem_cache_free(qeth_qdio_outbuf_cache
, q
->bufs
[j
]);
1292 void qeth_clear_qdio_buffers(struct qeth_card
*card
)
1296 QETH_CARD_TEXT(card
, 2, "clearqdbf");
1297 /* clear outbound buffers to free skbs */
1298 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
1299 if (card
->qdio
.out_qs
[i
]) {
1300 qeth_clear_outq_buffers(card
->qdio
.out_qs
[i
], 0);
1304 EXPORT_SYMBOL_GPL(qeth_clear_qdio_buffers
);
1306 static void qeth_free_buffer_pool(struct qeth_card
*card
)
1308 struct qeth_buffer_pool_entry
*pool_entry
, *tmp
;
1310 list_for_each_entry_safe(pool_entry
, tmp
,
1311 &card
->qdio
.init_pool
.entry_list
, init_list
){
1312 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
)
1313 free_page((unsigned long)pool_entry
->elements
[i
]);
1314 list_del(&pool_entry
->init_list
);
1319 static void qeth_clean_channel(struct qeth_channel
*channel
)
1323 QETH_DBF_TEXT(SETUP
, 2, "freech");
1324 for (cnt
= 0; cnt
< QETH_CMD_BUFFER_NO
; cnt
++)
1325 kfree(channel
->iob
[cnt
].data
);
1328 static void qeth_set_single_write_queues(struct qeth_card
*card
)
1330 if ((atomic_read(&card
->qdio
.state
) != QETH_QDIO_UNINITIALIZED
) &&
1331 (card
->qdio
.no_out_queues
== 4))
1332 qeth_free_qdio_buffers(card
);
1334 card
->qdio
.no_out_queues
= 1;
1335 if (card
->qdio
.default_out_queue
!= 0)
1336 dev_info(&card
->gdev
->dev
, "Priority Queueing not supported\n");
1338 card
->qdio
.default_out_queue
= 0;
1341 static void qeth_set_multiple_write_queues(struct qeth_card
*card
)
1343 if ((atomic_read(&card
->qdio
.state
) != QETH_QDIO_UNINITIALIZED
) &&
1344 (card
->qdio
.no_out_queues
== 1)) {
1345 qeth_free_qdio_buffers(card
);
1346 card
->qdio
.default_out_queue
= 2;
1348 card
->qdio
.no_out_queues
= 4;
1351 static void qeth_update_from_chp_desc(struct qeth_card
*card
)
1353 struct ccw_device
*ccwdev
;
1354 struct channel_path_desc
*chp_dsc
;
1356 QETH_DBF_TEXT(SETUP
, 2, "chp_desc");
1358 ccwdev
= card
->data
.ccwdev
;
1359 chp_dsc
= ccw_device_get_chp_desc(ccwdev
, 0);
1363 card
->info
.func_level
= 0x4100 + chp_dsc
->desc
;
1364 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1367 /* CHPP field bit 6 == 1 -> single queue */
1368 if ((chp_dsc
->chpp
& 0x02) == 0x02)
1369 qeth_set_single_write_queues(card
);
1371 qeth_set_multiple_write_queues(card
);
1374 QETH_DBF_TEXT_(SETUP
, 2, "nr:%x", card
->qdio
.no_out_queues
);
1375 QETH_DBF_TEXT_(SETUP
, 2, "lvl:%02x", card
->info
.func_level
);
1378 static void qeth_init_qdio_info(struct qeth_card
*card
)
1380 QETH_DBF_TEXT(SETUP
, 4, "intqdinf");
1381 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
1383 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
1384 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1385 card
->qdio
.init_pool
.buf_count
= QETH_IN_BUF_COUNT_HSDEFAULT
;
1387 card
->qdio
.init_pool
.buf_count
= QETH_IN_BUF_COUNT_DEFAULT
;
1388 card
->qdio
.in_buf_pool
.buf_count
= card
->qdio
.init_pool
.buf_count
;
1389 INIT_LIST_HEAD(&card
->qdio
.in_buf_pool
.entry_list
);
1390 INIT_LIST_HEAD(&card
->qdio
.init_pool
.entry_list
);
1393 static void qeth_set_intial_options(struct qeth_card
*card
)
1395 card
->options
.route4
.type
= NO_ROUTER
;
1396 card
->options
.route6
.type
= NO_ROUTER
;
1397 card
->options
.fake_broadcast
= 0;
1398 card
->options
.add_hhlen
= DEFAULT_ADD_HHLEN
;
1399 card
->options
.performance_stats
= 0;
1400 card
->options
.rx_sg_cb
= QETH_RX_SG_CB
;
1401 card
->options
.isolation
= ISOLATION_MODE_NONE
;
1402 card
->options
.cq
= QETH_CQ_DISABLED
;
1405 static int qeth_do_start_thread(struct qeth_card
*card
, unsigned long thread
)
1407 unsigned long flags
;
1410 spin_lock_irqsave(&card
->thread_mask_lock
, flags
);
1411 QETH_CARD_TEXT_(card
, 4, " %02x%02x%02x",
1412 (u8
) card
->thread_start_mask
,
1413 (u8
) card
->thread_allowed_mask
,
1414 (u8
) card
->thread_running_mask
);
1415 rc
= (card
->thread_start_mask
& thread
);
1416 spin_unlock_irqrestore(&card
->thread_mask_lock
, flags
);
1420 static void qeth_start_kernel_thread(struct work_struct
*work
)
1422 struct task_struct
*ts
;
1423 struct qeth_card
*card
= container_of(work
, struct qeth_card
,
1424 kernel_thread_starter
);
1425 QETH_CARD_TEXT(card
, 2, "strthrd");
1427 if (card
->read
.state
!= CH_STATE_UP
&&
1428 card
->write
.state
!= CH_STATE_UP
)
1430 if (qeth_do_start_thread(card
, QETH_RECOVER_THREAD
)) {
1431 ts
= kthread_run(card
->discipline
->recover
, (void *)card
,
1434 qeth_clear_thread_start_bit(card
, QETH_RECOVER_THREAD
);
1435 qeth_clear_thread_running_bit(card
,
1436 QETH_RECOVER_THREAD
);
1441 static void qeth_buffer_reclaim_work(struct work_struct
*);
1442 static int qeth_setup_card(struct qeth_card
*card
)
1445 QETH_DBF_TEXT(SETUP
, 2, "setupcrd");
1446 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
1448 card
->read
.state
= CH_STATE_DOWN
;
1449 card
->write
.state
= CH_STATE_DOWN
;
1450 card
->data
.state
= CH_STATE_DOWN
;
1451 card
->state
= CARD_STATE_DOWN
;
1452 card
->lan_online
= 0;
1453 card
->read_or_write_problem
= 0;
1455 spin_lock_init(&card
->vlanlock
);
1456 spin_lock_init(&card
->mclock
);
1457 spin_lock_init(&card
->lock
);
1458 spin_lock_init(&card
->ip_lock
);
1459 spin_lock_init(&card
->thread_mask_lock
);
1460 mutex_init(&card
->conf_mutex
);
1461 mutex_init(&card
->discipline_mutex
);
1462 card
->thread_start_mask
= 0;
1463 card
->thread_allowed_mask
= 0;
1464 card
->thread_running_mask
= 0;
1465 INIT_WORK(&card
->kernel_thread_starter
, qeth_start_kernel_thread
);
1466 INIT_LIST_HEAD(&card
->ip_list
);
1467 INIT_LIST_HEAD(card
->ip_tbd_list
);
1468 INIT_LIST_HEAD(&card
->cmd_waiter_list
);
1469 init_waitqueue_head(&card
->wait_q
);
1470 /* initial options */
1471 qeth_set_intial_options(card
);
1472 /* IP address takeover */
1473 INIT_LIST_HEAD(&card
->ipato
.entries
);
1474 card
->ipato
.enabled
= 0;
1475 card
->ipato
.invert4
= 0;
1476 card
->ipato
.invert6
= 0;
1477 /* init QDIO stuff */
1478 qeth_init_qdio_info(card
);
1479 INIT_DELAYED_WORK(&card
->buffer_reclaim_work
, qeth_buffer_reclaim_work
);
1480 INIT_WORK(&card
->close_dev_work
, qeth_close_dev_handler
);
1484 static void qeth_core_sl_print(struct seq_file
*m
, struct service_level
*slr
)
1486 struct qeth_card
*card
= container_of(slr
, struct qeth_card
,
1487 qeth_service_level
);
1488 if (card
->info
.mcl_level
[0])
1489 seq_printf(m
, "qeth: %s firmware level %s\n",
1490 CARD_BUS_ID(card
), card
->info
.mcl_level
);
1493 static struct qeth_card
*qeth_alloc_card(void)
1495 struct qeth_card
*card
;
1497 QETH_DBF_TEXT(SETUP
, 2, "alloccrd");
1498 card
= kzalloc(sizeof(struct qeth_card
), GFP_DMA
|GFP_KERNEL
);
1501 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
1502 card
->ip_tbd_list
= kzalloc(sizeof(struct list_head
), GFP_KERNEL
);
1503 if (!card
->ip_tbd_list
) {
1504 QETH_DBF_TEXT(SETUP
, 0, "iptbdnom");
1507 if (qeth_setup_channel(&card
->read
))
1509 if (qeth_setup_channel(&card
->write
))
1511 card
->options
.layer2
= -1;
1512 card
->qeth_service_level
.seq_print
= qeth_core_sl_print
;
1513 register_service_level(&card
->qeth_service_level
);
1517 qeth_clean_channel(&card
->read
);
1519 kfree(card
->ip_tbd_list
);
1526 static int qeth_determine_card_type(struct qeth_card
*card
)
1530 QETH_DBF_TEXT(SETUP
, 2, "detcdtyp");
1532 card
->qdio
.do_prio_queueing
= QETH_PRIOQ_DEFAULT
;
1533 card
->qdio
.default_out_queue
= QETH_DEFAULT_QUEUE
;
1534 while (known_devices
[i
][QETH_DEV_MODEL_IND
]) {
1535 if ((CARD_RDEV(card
)->id
.dev_type
==
1536 known_devices
[i
][QETH_DEV_TYPE_IND
]) &&
1537 (CARD_RDEV(card
)->id
.dev_model
==
1538 known_devices
[i
][QETH_DEV_MODEL_IND
])) {
1539 card
->info
.type
= known_devices
[i
][QETH_DEV_MODEL_IND
];
1540 card
->qdio
.no_out_queues
=
1541 known_devices
[i
][QETH_QUEUE_NO_IND
];
1542 card
->qdio
.no_in_queues
= 1;
1543 card
->info
.is_multicast_different
=
1544 known_devices
[i
][QETH_MULTICAST_IND
];
1545 qeth_update_from_chp_desc(card
);
1550 card
->info
.type
= QETH_CARD_TYPE_UNKNOWN
;
1551 dev_err(&card
->gdev
->dev
, "The adapter hardware is of an "
1556 static int qeth_clear_channel(struct qeth_channel
*channel
)
1558 unsigned long flags
;
1559 struct qeth_card
*card
;
1562 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1563 QETH_CARD_TEXT(card
, 3, "clearch");
1564 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1565 rc
= ccw_device_clear(channel
->ccwdev
, QETH_CLEAR_CHANNEL_PARM
);
1566 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1570 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1571 channel
->state
== CH_STATE_STOPPED
, QETH_TIMEOUT
);
1572 if (rc
== -ERESTARTSYS
)
1574 if (channel
->state
!= CH_STATE_STOPPED
)
1576 channel
->state
= CH_STATE_DOWN
;
1580 static int qeth_halt_channel(struct qeth_channel
*channel
)
1582 unsigned long flags
;
1583 struct qeth_card
*card
;
1586 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1587 QETH_CARD_TEXT(card
, 3, "haltch");
1588 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1589 rc
= ccw_device_halt(channel
->ccwdev
, QETH_HALT_CHANNEL_PARM
);
1590 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1594 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1595 channel
->state
== CH_STATE_HALTED
, QETH_TIMEOUT
);
1596 if (rc
== -ERESTARTSYS
)
1598 if (channel
->state
!= CH_STATE_HALTED
)
1603 static int qeth_halt_channels(struct qeth_card
*card
)
1605 int rc1
= 0, rc2
= 0, rc3
= 0;
1607 QETH_CARD_TEXT(card
, 3, "haltchs");
1608 rc1
= qeth_halt_channel(&card
->read
);
1609 rc2
= qeth_halt_channel(&card
->write
);
1610 rc3
= qeth_halt_channel(&card
->data
);
1618 static int qeth_clear_channels(struct qeth_card
*card
)
1620 int rc1
= 0, rc2
= 0, rc3
= 0;
1622 QETH_CARD_TEXT(card
, 3, "clearchs");
1623 rc1
= qeth_clear_channel(&card
->read
);
1624 rc2
= qeth_clear_channel(&card
->write
);
1625 rc3
= qeth_clear_channel(&card
->data
);
1633 static int qeth_clear_halt_card(struct qeth_card
*card
, int halt
)
1637 QETH_CARD_TEXT(card
, 3, "clhacrd");
1640 rc
= qeth_halt_channels(card
);
1643 return qeth_clear_channels(card
);
1646 int qeth_qdio_clear_card(struct qeth_card
*card
, int use_halt
)
1650 QETH_CARD_TEXT(card
, 3, "qdioclr");
1651 switch (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ESTABLISHED
,
1652 QETH_QDIO_CLEANING
)) {
1653 case QETH_QDIO_ESTABLISHED
:
1654 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
1655 rc
= qdio_shutdown(CARD_DDEV(card
),
1656 QDIO_FLAG_CLEANUP_USING_HALT
);
1658 rc
= qdio_shutdown(CARD_DDEV(card
),
1659 QDIO_FLAG_CLEANUP_USING_CLEAR
);
1661 QETH_CARD_TEXT_(card
, 3, "1err%d", rc
);
1662 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
1664 case QETH_QDIO_CLEANING
:
1669 rc
= qeth_clear_halt_card(card
, use_halt
);
1671 QETH_CARD_TEXT_(card
, 3, "2err%d", rc
);
1672 card
->state
= CARD_STATE_DOWN
;
1675 EXPORT_SYMBOL_GPL(qeth_qdio_clear_card
);
1677 static int qeth_read_conf_data(struct qeth_card
*card
, void **buffer
,
1683 struct qeth_channel
*channel
= &card
->data
;
1684 unsigned long flags
;
1687 * scan for RCD command in extended SenseID data
1689 ciw
= ccw_device_get_ciw(channel
->ccwdev
, CIW_TYPE_RCD
);
1690 if (!ciw
|| ciw
->cmd
== 0)
1692 rcd_buf
= kzalloc(ciw
->count
, GFP_KERNEL
| GFP_DMA
);
1696 channel
->ccw
.cmd_code
= ciw
->cmd
;
1697 channel
->ccw
.cda
= (__u32
) __pa(rcd_buf
);
1698 channel
->ccw
.count
= ciw
->count
;
1699 channel
->ccw
.flags
= CCW_FLAG_SLI
;
1700 channel
->state
= CH_STATE_RCD
;
1701 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1702 ret
= ccw_device_start_timeout(channel
->ccwdev
, &channel
->ccw
,
1703 QETH_RCD_PARM
, LPM_ANYPATH
, 0,
1705 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1707 wait_event(card
->wait_q
,
1708 (channel
->state
== CH_STATE_RCD_DONE
||
1709 channel
->state
== CH_STATE_DOWN
));
1710 if (channel
->state
== CH_STATE_DOWN
)
1713 channel
->state
= CH_STATE_DOWN
;
1719 *length
= ciw
->count
;
1725 static void qeth_configure_unitaddr(struct qeth_card
*card
, char *prcd
)
1727 QETH_DBF_TEXT(SETUP
, 2, "cfgunit");
1728 card
->info
.chpid
= prcd
[30];
1729 card
->info
.unit_addr2
= prcd
[31];
1730 card
->info
.cula
= prcd
[63];
1731 card
->info
.guestlan
= ((prcd
[0x10] == _ascebc
['V']) &&
1732 (prcd
[0x11] == _ascebc
['M']));
1735 static void qeth_configure_blkt_default(struct qeth_card
*card
, char *prcd
)
1737 QETH_DBF_TEXT(SETUP
, 2, "cfgblkt");
1739 if (prcd
[74] == 0xF0 && prcd
[75] == 0xF0 &&
1740 prcd
[76] >= 0xF1 && prcd
[76] <= 0xF4) {
1741 card
->info
.blkt
.time_total
= 0;
1742 card
->info
.blkt
.inter_packet
= 0;
1743 card
->info
.blkt
.inter_packet_jumbo
= 0;
1745 card
->info
.blkt
.time_total
= 250;
1746 card
->info
.blkt
.inter_packet
= 5;
1747 card
->info
.blkt
.inter_packet_jumbo
= 15;
1751 static void qeth_init_tokens(struct qeth_card
*card
)
1753 card
->token
.issuer_rm_w
= 0x00010103UL
;
1754 card
->token
.cm_filter_w
= 0x00010108UL
;
1755 card
->token
.cm_connection_w
= 0x0001010aUL
;
1756 card
->token
.ulp_filter_w
= 0x0001010bUL
;
1757 card
->token
.ulp_connection_w
= 0x0001010dUL
;
1760 static void qeth_init_func_level(struct qeth_card
*card
)
1762 switch (card
->info
.type
) {
1763 case QETH_CARD_TYPE_IQD
:
1764 card
->info
.func_level
= QETH_IDX_FUNC_LEVEL_IQD
;
1766 case QETH_CARD_TYPE_OSD
:
1767 case QETH_CARD_TYPE_OSN
:
1768 card
->info
.func_level
= QETH_IDX_FUNC_LEVEL_OSD
;
1775 static int qeth_idx_activate_get_answer(struct qeth_channel
*channel
,
1776 void (*idx_reply_cb
)(struct qeth_channel
*,
1777 struct qeth_cmd_buffer
*))
1779 struct qeth_cmd_buffer
*iob
;
1780 unsigned long flags
;
1782 struct qeth_card
*card
;
1784 QETH_DBF_TEXT(SETUP
, 2, "idxanswr");
1785 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1786 iob
= qeth_get_buffer(channel
);
1787 iob
->callback
= idx_reply_cb
;
1788 memcpy(&channel
->ccw
, READ_CCW
, sizeof(struct ccw1
));
1789 channel
->ccw
.count
= QETH_BUFSIZE
;
1790 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1792 wait_event(card
->wait_q
,
1793 atomic_cmpxchg(&channel
->irq_pending
, 0, 1) == 0);
1794 QETH_DBF_TEXT(SETUP
, 6, "noirqpnd");
1795 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1796 rc
= ccw_device_start(channel
->ccwdev
,
1797 &channel
->ccw
, (addr_t
) iob
, 0, 0);
1798 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1801 QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc
);
1802 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
1803 atomic_set(&channel
->irq_pending
, 0);
1804 wake_up(&card
->wait_q
);
1807 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1808 channel
->state
== CH_STATE_UP
, QETH_TIMEOUT
);
1809 if (rc
== -ERESTARTSYS
)
1811 if (channel
->state
!= CH_STATE_UP
) {
1813 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
1814 qeth_clear_cmd_buffers(channel
);
1820 static int qeth_idx_activate_channel(struct qeth_channel
*channel
,
1821 void (*idx_reply_cb
)(struct qeth_channel
*,
1822 struct qeth_cmd_buffer
*))
1824 struct qeth_card
*card
;
1825 struct qeth_cmd_buffer
*iob
;
1826 unsigned long flags
;
1830 struct ccw_dev_id temp_devid
;
1832 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1834 QETH_DBF_TEXT(SETUP
, 2, "idxactch");
1836 iob
= qeth_get_buffer(channel
);
1837 iob
->callback
= idx_reply_cb
;
1838 memcpy(&channel
->ccw
, WRITE_CCW
, sizeof(struct ccw1
));
1839 channel
->ccw
.count
= IDX_ACTIVATE_SIZE
;
1840 channel
->ccw
.cda
= (__u32
) __pa(iob
->data
);
1841 if (channel
== &card
->write
) {
1842 memcpy(iob
->data
, IDX_ACTIVATE_WRITE
, IDX_ACTIVATE_SIZE
);
1843 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1844 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1845 card
->seqno
.trans_hdr
++;
1847 memcpy(iob
->data
, IDX_ACTIVATE_READ
, IDX_ACTIVATE_SIZE
);
1848 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
1849 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
1851 tmp
= ((__u8
)card
->info
.portno
) | 0x80;
1852 memcpy(QETH_IDX_ACT_PNO(iob
->data
), &tmp
, 1);
1853 memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1854 &card
->token
.issuer_rm_w
, QETH_MPC_TOKEN_LENGTH
);
1855 memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob
->data
),
1856 &card
->info
.func_level
, sizeof(__u16
));
1857 ccw_device_get_id(CARD_DDEV(card
), &temp_devid
);
1858 memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob
->data
), &temp_devid
.devno
, 2);
1859 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
1860 memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob
->data
), &temp
, 2);
1862 wait_event(card
->wait_q
,
1863 atomic_cmpxchg(&channel
->irq_pending
, 0, 1) == 0);
1864 QETH_DBF_TEXT(SETUP
, 6, "noirqpnd");
1865 spin_lock_irqsave(get_ccwdev_lock(channel
->ccwdev
), flags
);
1866 rc
= ccw_device_start(channel
->ccwdev
,
1867 &channel
->ccw
, (addr_t
) iob
, 0, 0);
1868 spin_unlock_irqrestore(get_ccwdev_lock(channel
->ccwdev
), flags
);
1871 QETH_DBF_MESSAGE(2, "Error1 in activating channel. rc=%d\n",
1873 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
1874 atomic_set(&channel
->irq_pending
, 0);
1875 wake_up(&card
->wait_q
);
1878 rc
= wait_event_interruptible_timeout(card
->wait_q
,
1879 channel
->state
== CH_STATE_ACTIVATING
, QETH_TIMEOUT
);
1880 if (rc
== -ERESTARTSYS
)
1882 if (channel
->state
!= CH_STATE_ACTIVATING
) {
1883 dev_warn(&channel
->ccwdev
->dev
, "The qeth device driver"
1884 " failed to recover an error on the device\n");
1885 QETH_DBF_MESSAGE(2, "%s IDX activate timed out\n",
1886 dev_name(&channel
->ccwdev
->dev
));
1887 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", -ETIME
);
1888 qeth_clear_cmd_buffers(channel
);
1891 return qeth_idx_activate_get_answer(channel
, idx_reply_cb
);
1894 static int qeth_peer_func_level(int level
)
1896 if ((level
& 0xff) == 8)
1897 return (level
& 0xff) + 0x400;
1898 if (((level
>> 8) & 3) == 1)
1899 return (level
& 0xff) + 0x200;
1903 static void qeth_idx_write_cb(struct qeth_channel
*channel
,
1904 struct qeth_cmd_buffer
*iob
)
1906 struct qeth_card
*card
;
1909 QETH_DBF_TEXT(SETUP
, 2, "idxwrcb");
1911 if (channel
->state
== CH_STATE_DOWN
) {
1912 channel
->state
= CH_STATE_ACTIVATING
;
1915 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1917 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1918 if (QETH_IDX_ACT_CAUSE_CODE(iob
->data
) == QETH_IDX_ACT_ERR_EXCL
)
1919 dev_err(&card
->write
.ccwdev
->dev
,
1920 "The adapter is used exclusively by another "
1923 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel:"
1924 " negative reply\n",
1925 dev_name(&card
->write
.ccwdev
->dev
));
1928 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1929 if ((temp
& ~0x0100) != qeth_peer_func_level(card
->info
.func_level
)) {
1930 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel: "
1931 "function level mismatch (sent: 0x%x, received: "
1932 "0x%x)\n", dev_name(&card
->write
.ccwdev
->dev
),
1933 card
->info
.func_level
, temp
);
1936 channel
->state
= CH_STATE_UP
;
1938 qeth_release_buffer(channel
, iob
);
1941 static void qeth_idx_read_cb(struct qeth_channel
*channel
,
1942 struct qeth_cmd_buffer
*iob
)
1944 struct qeth_card
*card
;
1947 QETH_DBF_TEXT(SETUP
, 2, "idxrdcb");
1948 if (channel
->state
== CH_STATE_DOWN
) {
1949 channel
->state
= CH_STATE_ACTIVATING
;
1953 card
= CARD_FROM_CDEV(channel
->ccwdev
);
1954 if (qeth_check_idx_response(card
, iob
->data
))
1957 if (!(QETH_IS_IDX_ACT_POS_REPLY(iob
->data
))) {
1958 switch (QETH_IDX_ACT_CAUSE_CODE(iob
->data
)) {
1959 case QETH_IDX_ACT_ERR_EXCL
:
1960 dev_err(&card
->write
.ccwdev
->dev
,
1961 "The adapter is used exclusively by another "
1964 case QETH_IDX_ACT_ERR_AUTH
:
1965 case QETH_IDX_ACT_ERR_AUTH_USER
:
1966 dev_err(&card
->read
.ccwdev
->dev
,
1967 "Setting the device online failed because of "
1968 "insufficient authorization\n");
1971 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel:"
1972 " negative reply\n",
1973 dev_name(&card
->read
.ccwdev
->dev
));
1975 QETH_CARD_TEXT_(card
, 2, "idxread%c",
1976 QETH_IDX_ACT_CAUSE_CODE(iob
->data
));
1981 * * temporary fix for microcode bug
1982 * * to revert it,replace OR by AND
1984 if ((!QETH_IDX_NO_PORTNAME_REQUIRED(iob
->data
)) ||
1985 (card
->info
.type
== QETH_CARD_TYPE_OSD
))
1986 card
->info
.portname_required
= 1;
1988 memcpy(&temp
, QETH_IDX_ACT_FUNC_LEVEL(iob
->data
), 2);
1989 if (temp
!= qeth_peer_func_level(card
->info
.func_level
)) {
1990 QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel: function "
1991 "level mismatch (sent: 0x%x, received: 0x%x)\n",
1992 dev_name(&card
->read
.ccwdev
->dev
),
1993 card
->info
.func_level
, temp
);
1996 memcpy(&card
->token
.issuer_rm_r
,
1997 QETH_IDX_ACT_ISSUER_RM_TOKEN(iob
->data
),
1998 QETH_MPC_TOKEN_LENGTH
);
1999 memcpy(&card
->info
.mcl_level
[0],
2000 QETH_IDX_REPLY_LEVEL(iob
->data
), QETH_MCL_LENGTH
);
2001 channel
->state
= CH_STATE_UP
;
2003 qeth_release_buffer(channel
, iob
);
2006 void qeth_prepare_control_data(struct qeth_card
*card
, int len
,
2007 struct qeth_cmd_buffer
*iob
)
2009 qeth_setup_ccw(&card
->write
, iob
->data
, len
);
2010 iob
->callback
= qeth_release_buffer
;
2012 memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob
->data
),
2013 &card
->seqno
.trans_hdr
, QETH_SEQ_NO_LENGTH
);
2014 card
->seqno
.trans_hdr
++;
2015 memcpy(QETH_PDU_HEADER_SEQ_NO(iob
->data
),
2016 &card
->seqno
.pdu_hdr
, QETH_SEQ_NO_LENGTH
);
2017 card
->seqno
.pdu_hdr
++;
2018 memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob
->data
),
2019 &card
->seqno
.pdu_hdr_ack
, QETH_SEQ_NO_LENGTH
);
2020 QETH_DBF_HEX(CTRL
, 2, iob
->data
, QETH_DBF_CTRL_LEN
);
2022 EXPORT_SYMBOL_GPL(qeth_prepare_control_data
);
2024 int qeth_send_control_data(struct qeth_card
*card
, int len
,
2025 struct qeth_cmd_buffer
*iob
,
2026 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
2031 unsigned long flags
;
2032 struct qeth_reply
*reply
= NULL
;
2033 unsigned long timeout
, event_timeout
;
2034 struct qeth_ipa_cmd
*cmd
;
2036 QETH_CARD_TEXT(card
, 2, "sendctl");
2038 if (card
->read_or_write_problem
) {
2039 qeth_release_buffer(iob
->channel
, iob
);
2042 reply
= qeth_alloc_reply(card
);
2046 reply
->callback
= reply_cb
;
2047 reply
->param
= reply_param
;
2048 if (card
->state
== CARD_STATE_DOWN
)
2049 reply
->seqno
= QETH_IDX_COMMAND_SEQNO
;
2051 reply
->seqno
= card
->seqno
.ipa
++;
2052 init_waitqueue_head(&reply
->wait_q
);
2053 spin_lock_irqsave(&card
->lock
, flags
);
2054 list_add_tail(&reply
->list
, &card
->cmd_waiter_list
);
2055 spin_unlock_irqrestore(&card
->lock
, flags
);
2056 QETH_DBF_HEX(CTRL
, 2, iob
->data
, QETH_DBF_CTRL_LEN
);
2058 while (atomic_cmpxchg(&card
->write
.irq_pending
, 0, 1)) ;
2059 qeth_prepare_control_data(card
, len
, iob
);
2061 if (IS_IPA(iob
->data
))
2062 event_timeout
= QETH_IPA_TIMEOUT
;
2064 event_timeout
= QETH_TIMEOUT
;
2065 timeout
= jiffies
+ event_timeout
;
2067 QETH_CARD_TEXT(card
, 6, "noirqpnd");
2068 spin_lock_irqsave(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
2069 rc
= ccw_device_start(card
->write
.ccwdev
, &card
->write
.ccw
,
2070 (addr_t
) iob
, 0, 0);
2071 spin_unlock_irqrestore(get_ccwdev_lock(card
->write
.ccwdev
), flags
);
2073 QETH_DBF_MESSAGE(2, "%s qeth_send_control_data: "
2074 "ccw_device_start rc = %i\n",
2075 dev_name(&card
->write
.ccwdev
->dev
), rc
);
2076 QETH_CARD_TEXT_(card
, 2, " err%d", rc
);
2077 spin_lock_irqsave(&card
->lock
, flags
);
2078 list_del_init(&reply
->list
);
2079 qeth_put_reply(reply
);
2080 spin_unlock_irqrestore(&card
->lock
, flags
);
2081 qeth_release_buffer(iob
->channel
, iob
);
2082 atomic_set(&card
->write
.irq_pending
, 0);
2083 wake_up(&card
->wait_q
);
2087 /* we have only one long running ipassist, since we can ensure
2088 process context of this command we can sleep */
2089 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2090 if ((cmd
->hdr
.command
== IPA_CMD_SETIP
) &&
2091 (cmd
->hdr
.prot_version
== QETH_PROT_IPV4
)) {
2092 if (!wait_event_timeout(reply
->wait_q
,
2093 atomic_read(&reply
->received
), event_timeout
))
2096 while (!atomic_read(&reply
->received
)) {
2097 if (time_after(jiffies
, timeout
))
2103 if (reply
->rc
== -EIO
)
2106 qeth_put_reply(reply
);
2111 spin_lock_irqsave(&reply
->card
->lock
, flags
);
2112 list_del_init(&reply
->list
);
2113 spin_unlock_irqrestore(&reply
->card
->lock
, flags
);
2114 atomic_inc(&reply
->received
);
2116 atomic_set(&card
->write
.irq_pending
, 0);
2117 qeth_release_buffer(iob
->channel
, iob
);
2118 card
->write
.buf_no
= (card
->write
.buf_no
+ 1) % QETH_CMD_BUFFER_NO
;
2120 qeth_put_reply(reply
);
2123 EXPORT_SYMBOL_GPL(qeth_send_control_data
);
2125 static int qeth_cm_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2128 struct qeth_cmd_buffer
*iob
;
2130 QETH_DBF_TEXT(SETUP
, 2, "cmenblcb");
2132 iob
= (struct qeth_cmd_buffer
*) data
;
2133 memcpy(&card
->token
.cm_filter_r
,
2134 QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
2135 QETH_MPC_TOKEN_LENGTH
);
2136 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2140 static int qeth_cm_enable(struct qeth_card
*card
)
2143 struct qeth_cmd_buffer
*iob
;
2145 QETH_DBF_TEXT(SETUP
, 2, "cmenable");
2147 iob
= qeth_wait_for_buffer(&card
->write
);
2148 memcpy(iob
->data
, CM_ENABLE
, CM_ENABLE_SIZE
);
2149 memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob
->data
),
2150 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
2151 memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob
->data
),
2152 &card
->token
.cm_filter_w
, QETH_MPC_TOKEN_LENGTH
);
2154 rc
= qeth_send_control_data(card
, CM_ENABLE_SIZE
, iob
,
2155 qeth_cm_enable_cb
, NULL
);
2159 static int qeth_cm_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2163 struct qeth_cmd_buffer
*iob
;
2165 QETH_DBF_TEXT(SETUP
, 2, "cmsetpcb");
2167 iob
= (struct qeth_cmd_buffer
*) data
;
2168 memcpy(&card
->token
.cm_connection_r
,
2169 QETH_CM_SETUP_RESP_DEST_ADDR(iob
->data
),
2170 QETH_MPC_TOKEN_LENGTH
);
2171 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2175 static int qeth_cm_setup(struct qeth_card
*card
)
2178 struct qeth_cmd_buffer
*iob
;
2180 QETH_DBF_TEXT(SETUP
, 2, "cmsetup");
2182 iob
= qeth_wait_for_buffer(&card
->write
);
2183 memcpy(iob
->data
, CM_SETUP
, CM_SETUP_SIZE
);
2184 memcpy(QETH_CM_SETUP_DEST_ADDR(iob
->data
),
2185 &card
->token
.issuer_rm_r
, QETH_MPC_TOKEN_LENGTH
);
2186 memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob
->data
),
2187 &card
->token
.cm_connection_w
, QETH_MPC_TOKEN_LENGTH
);
2188 memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob
->data
),
2189 &card
->token
.cm_filter_r
, QETH_MPC_TOKEN_LENGTH
);
2190 rc
= qeth_send_control_data(card
, CM_SETUP_SIZE
, iob
,
2191 qeth_cm_setup_cb
, NULL
);
2196 static inline int qeth_get_initial_mtu_for_card(struct qeth_card
*card
)
2198 switch (card
->info
.type
) {
2199 case QETH_CARD_TYPE_UNKNOWN
:
2201 case QETH_CARD_TYPE_IQD
:
2202 return card
->info
.max_mtu
;
2203 case QETH_CARD_TYPE_OSD
:
2204 switch (card
->info
.link_type
) {
2205 case QETH_LINK_TYPE_HSTR
:
2206 case QETH_LINK_TYPE_LANE_TR
:
2209 return card
->options
.layer2
? 1500 : 1492;
2211 case QETH_CARD_TYPE_OSM
:
2212 case QETH_CARD_TYPE_OSX
:
2213 return card
->options
.layer2
? 1500 : 1492;
2219 static inline int qeth_get_mtu_outof_framesize(int framesize
)
2221 switch (framesize
) {
2235 static inline int qeth_mtu_is_valid(struct qeth_card
*card
, int mtu
)
2237 switch (card
->info
.type
) {
2238 case QETH_CARD_TYPE_OSD
:
2239 case QETH_CARD_TYPE_OSM
:
2240 case QETH_CARD_TYPE_OSX
:
2241 case QETH_CARD_TYPE_IQD
:
2242 return ((mtu
>= 576) &&
2243 (mtu
<= card
->info
.max_mtu
));
2244 case QETH_CARD_TYPE_OSN
:
2245 case QETH_CARD_TYPE_UNKNOWN
:
2251 static int qeth_ulp_enable_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2255 __u16 mtu
, framesize
;
2258 struct qeth_cmd_buffer
*iob
;
2260 QETH_DBF_TEXT(SETUP
, 2, "ulpenacb");
2262 iob
= (struct qeth_cmd_buffer
*) data
;
2263 memcpy(&card
->token
.ulp_filter_r
,
2264 QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob
->data
),
2265 QETH_MPC_TOKEN_LENGTH
);
2266 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
2267 memcpy(&framesize
, QETH_ULP_ENABLE_RESP_MAX_MTU(iob
->data
), 2);
2268 mtu
= qeth_get_mtu_outof_framesize(framesize
);
2271 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2274 if (card
->info
.initial_mtu
&& (card
->info
.initial_mtu
!= mtu
)) {
2275 /* frame size has changed */
2277 ((card
->dev
->mtu
== card
->info
.initial_mtu
) ||
2278 (card
->dev
->mtu
> mtu
)))
2279 card
->dev
->mtu
= mtu
;
2280 qeth_free_qdio_buffers(card
);
2282 card
->info
.initial_mtu
= mtu
;
2283 card
->info
.max_mtu
= mtu
;
2284 card
->qdio
.in_buf_size
= mtu
+ 2 * PAGE_SIZE
;
2286 card
->info
.max_mtu
= *(__u16
*)QETH_ULP_ENABLE_RESP_MAX_MTU(
2288 card
->info
.initial_mtu
= min(card
->info
.max_mtu
,
2289 qeth_get_initial_mtu_for_card(card
));
2290 card
->qdio
.in_buf_size
= QETH_IN_BUF_SIZE_DEFAULT
;
2293 memcpy(&len
, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob
->data
), 2);
2294 if (len
>= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE
) {
2296 QETH_ULP_ENABLE_RESP_LINK_TYPE(iob
->data
), 1);
2297 card
->info
.link_type
= link_type
;
2299 card
->info
.link_type
= 0;
2300 QETH_DBF_TEXT_(SETUP
, 2, "link%d", card
->info
.link_type
);
2301 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2305 static int qeth_ulp_enable(struct qeth_card
*card
)
2309 struct qeth_cmd_buffer
*iob
;
2311 /*FIXME: trace view callbacks*/
2312 QETH_DBF_TEXT(SETUP
, 2, "ulpenabl");
2314 iob
= qeth_wait_for_buffer(&card
->write
);
2315 memcpy(iob
->data
, ULP_ENABLE
, ULP_ENABLE_SIZE
);
2317 *(QETH_ULP_ENABLE_LINKNUM(iob
->data
)) =
2318 (__u8
) card
->info
.portno
;
2319 if (card
->options
.layer2
)
2320 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2321 prot_type
= QETH_PROT_OSN2
;
2323 prot_type
= QETH_PROT_LAYER2
;
2325 prot_type
= QETH_PROT_TCPIP
;
2327 memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob
->data
), &prot_type
, 1);
2328 memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob
->data
),
2329 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2330 memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob
->data
),
2331 &card
->token
.ulp_filter_w
, QETH_MPC_TOKEN_LENGTH
);
2332 memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob
->data
),
2333 card
->info
.portname
, 9);
2334 rc
= qeth_send_control_data(card
, ULP_ENABLE_SIZE
, iob
,
2335 qeth_ulp_enable_cb
, NULL
);
2340 static int qeth_ulp_setup_cb(struct qeth_card
*card
, struct qeth_reply
*reply
,
2343 struct qeth_cmd_buffer
*iob
;
2345 QETH_DBF_TEXT(SETUP
, 2, "ulpstpcb");
2347 iob
= (struct qeth_cmd_buffer
*) data
;
2348 memcpy(&card
->token
.ulp_connection_r
,
2349 QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob
->data
),
2350 QETH_MPC_TOKEN_LENGTH
);
2351 if (!strncmp("00S", QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob
->data
),
2353 QETH_DBF_TEXT(SETUP
, 2, "olmlimit");
2354 dev_err(&card
->gdev
->dev
, "A connection could not be "
2355 "established because of an OLM limit\n");
2358 QETH_DBF_TEXT_(SETUP
, 2, " rc%d", iob
->rc
);
2362 static int qeth_ulp_setup(struct qeth_card
*card
)
2366 struct qeth_cmd_buffer
*iob
;
2367 struct ccw_dev_id dev_id
;
2369 QETH_DBF_TEXT(SETUP
, 2, "ulpsetup");
2371 iob
= qeth_wait_for_buffer(&card
->write
);
2372 memcpy(iob
->data
, ULP_SETUP
, ULP_SETUP_SIZE
);
2374 memcpy(QETH_ULP_SETUP_DEST_ADDR(iob
->data
),
2375 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2376 memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob
->data
),
2377 &card
->token
.ulp_connection_w
, QETH_MPC_TOKEN_LENGTH
);
2378 memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob
->data
),
2379 &card
->token
.ulp_filter_r
, QETH_MPC_TOKEN_LENGTH
);
2381 ccw_device_get_id(CARD_DDEV(card
), &dev_id
);
2382 memcpy(QETH_ULP_SETUP_CUA(iob
->data
), &dev_id
.devno
, 2);
2383 temp
= (card
->info
.cula
<< 8) + card
->info
.unit_addr2
;
2384 memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob
->data
), &temp
, 2);
2385 rc
= qeth_send_control_data(card
, ULP_SETUP_SIZE
, iob
,
2386 qeth_ulp_setup_cb
, NULL
);
2390 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q
*q
, int bidx
)
2393 struct qeth_qdio_out_buffer
*newbuf
;
2396 newbuf
= kmem_cache_zalloc(qeth_qdio_outbuf_cache
, GFP_ATOMIC
);
2401 newbuf
->buffer
= q
->qdio_bufs
[bidx
];
2402 skb_queue_head_init(&newbuf
->skb_list
);
2403 lockdep_set_class(&newbuf
->skb_list
.lock
, &qdio_out_skb_queue_key
);
2406 newbuf
->next_pending
= q
->bufs
[bidx
];
2407 atomic_set(&newbuf
->state
, QETH_QDIO_BUF_EMPTY
);
2408 q
->bufs
[bidx
] = newbuf
;
2410 q
->bufstates
[bidx
].user
= newbuf
;
2411 QETH_CARD_TEXT_(q
->card
, 2, "nbs%d", bidx
);
2412 QETH_CARD_TEXT_(q
->card
, 2, "%lx", (long) newbuf
);
2413 QETH_CARD_TEXT_(q
->card
, 2, "%lx",
2414 (long) newbuf
->next_pending
);
2420 static void qeth_free_qdio_out_buf(struct qeth_qdio_out_q
*q
)
2425 qdio_free_buffers(q
->qdio_bufs
, QDIO_MAX_BUFFERS_PER_Q
);
2429 static struct qeth_qdio_out_q
*qeth_alloc_qdio_out_buf(void)
2431 struct qeth_qdio_out_q
*q
= kzalloc(sizeof(*q
), GFP_KERNEL
);
2436 if (qdio_alloc_buffers(q
->qdio_bufs
, QDIO_MAX_BUFFERS_PER_Q
)) {
2443 static int qeth_alloc_qdio_buffers(struct qeth_card
*card
)
2447 QETH_DBF_TEXT(SETUP
, 2, "allcqdbf");
2449 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
,
2450 QETH_QDIO_ALLOCATED
) != QETH_QDIO_UNINITIALIZED
)
2453 QETH_DBF_TEXT(SETUP
, 2, "inq");
2454 card
->qdio
.in_q
= qeth_alloc_qdio_queue();
2455 if (!card
->qdio
.in_q
)
2458 /* inbound buffer pool */
2459 if (qeth_alloc_buffer_pool(card
))
2464 kzalloc(card
->qdio
.no_out_queues
*
2465 sizeof(struct qeth_qdio_out_q
*), GFP_KERNEL
);
2466 if (!card
->qdio
.out_qs
)
2468 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
2469 card
->qdio
.out_qs
[i
] = qeth_alloc_qdio_out_buf();
2470 if (!card
->qdio
.out_qs
[i
])
2472 QETH_DBF_TEXT_(SETUP
, 2, "outq %i", i
);
2473 QETH_DBF_HEX(SETUP
, 2, &card
->qdio
.out_qs
[i
], sizeof(void *));
2474 card
->qdio
.out_qs
[i
]->queue_no
= i
;
2475 /* give outbound qeth_qdio_buffers their qdio_buffers */
2476 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
2477 WARN_ON(card
->qdio
.out_qs
[i
]->bufs
[j
] != NULL
);
2478 if (qeth_init_qdio_out_buf(card
->qdio
.out_qs
[i
], j
))
2479 goto out_freeoutqbufs
;
2484 if (qeth_alloc_cq(card
))
2492 kmem_cache_free(qeth_qdio_outbuf_cache
,
2493 card
->qdio
.out_qs
[i
]->bufs
[j
]);
2494 card
->qdio
.out_qs
[i
]->bufs
[j
] = NULL
;
2498 qeth_free_qdio_out_buf(card
->qdio
.out_qs
[--i
]);
2499 qeth_clear_outq_buffers(card
->qdio
.out_qs
[i
], 1);
2501 kfree(card
->qdio
.out_qs
);
2502 card
->qdio
.out_qs
= NULL
;
2504 qeth_free_buffer_pool(card
);
2506 qeth_free_qdio_queue(card
->qdio
.in_q
);
2507 card
->qdio
.in_q
= NULL
;
2509 atomic_set(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
);
2513 static void qeth_free_qdio_buffers(struct qeth_card
*card
)
2517 if (atomic_xchg(&card
->qdio
.state
, QETH_QDIO_UNINITIALIZED
) ==
2518 QETH_QDIO_UNINITIALIZED
)
2522 cancel_delayed_work_sync(&card
->buffer_reclaim_work
);
2523 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
2524 if (card
->qdio
.in_q
->bufs
[j
].rx_skb
)
2525 dev_kfree_skb_any(card
->qdio
.in_q
->bufs
[j
].rx_skb
);
2527 qeth_free_qdio_queue(card
->qdio
.in_q
);
2528 card
->qdio
.in_q
= NULL
;
2529 /* inbound buffer pool */
2530 qeth_free_buffer_pool(card
);
2531 /* free outbound qdio_qs */
2532 if (card
->qdio
.out_qs
) {
2533 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
2534 qeth_clear_outq_buffers(card
->qdio
.out_qs
[i
], 1);
2535 qeth_free_qdio_out_buf(card
->qdio
.out_qs
[i
]);
2537 kfree(card
->qdio
.out_qs
);
2538 card
->qdio
.out_qs
= NULL
;
2542 static void qeth_create_qib_param_field(struct qeth_card
*card
,
2546 param_field
[0] = _ascebc
['P'];
2547 param_field
[1] = _ascebc
['C'];
2548 param_field
[2] = _ascebc
['I'];
2549 param_field
[3] = _ascebc
['T'];
2550 *((unsigned int *) (¶m_field
[4])) = QETH_PCI_THRESHOLD_A(card
);
2551 *((unsigned int *) (¶m_field
[8])) = QETH_PCI_THRESHOLD_B(card
);
2552 *((unsigned int *) (¶m_field
[12])) = QETH_PCI_TIMER_VALUE(card
);
2555 static void qeth_create_qib_param_field_blkt(struct qeth_card
*card
,
2558 param_field
[16] = _ascebc
['B'];
2559 param_field
[17] = _ascebc
['L'];
2560 param_field
[18] = _ascebc
['K'];
2561 param_field
[19] = _ascebc
['T'];
2562 *((unsigned int *) (¶m_field
[20])) = card
->info
.blkt
.time_total
;
2563 *((unsigned int *) (¶m_field
[24])) = card
->info
.blkt
.inter_packet
;
2564 *((unsigned int *) (¶m_field
[28])) =
2565 card
->info
.blkt
.inter_packet_jumbo
;
2568 static int qeth_qdio_activate(struct qeth_card
*card
)
2570 QETH_DBF_TEXT(SETUP
, 3, "qdioact");
2571 return qdio_activate(CARD_DDEV(card
));
2574 static int qeth_dm_act(struct qeth_card
*card
)
2577 struct qeth_cmd_buffer
*iob
;
2579 QETH_DBF_TEXT(SETUP
, 2, "dmact");
2581 iob
= qeth_wait_for_buffer(&card
->write
);
2582 memcpy(iob
->data
, DM_ACT
, DM_ACT_SIZE
);
2584 memcpy(QETH_DM_ACT_DEST_ADDR(iob
->data
),
2585 &card
->token
.cm_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2586 memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob
->data
),
2587 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2588 rc
= qeth_send_control_data(card
, DM_ACT_SIZE
, iob
, NULL
, NULL
);
2592 static int qeth_mpc_initialize(struct qeth_card
*card
)
2596 QETH_DBF_TEXT(SETUP
, 2, "mpcinit");
2598 rc
= qeth_issue_next_read(card
);
2600 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
2603 rc
= qeth_cm_enable(card
);
2605 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
2608 rc
= qeth_cm_setup(card
);
2610 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
2613 rc
= qeth_ulp_enable(card
);
2615 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
2618 rc
= qeth_ulp_setup(card
);
2620 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
2623 rc
= qeth_alloc_qdio_buffers(card
);
2625 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
2628 rc
= qeth_qdio_establish(card
);
2630 QETH_DBF_TEXT_(SETUP
, 2, "6err%d", rc
);
2631 qeth_free_qdio_buffers(card
);
2634 rc
= qeth_qdio_activate(card
);
2636 QETH_DBF_TEXT_(SETUP
, 2, "7err%d", rc
);
2639 rc
= qeth_dm_act(card
);
2641 QETH_DBF_TEXT_(SETUP
, 2, "8err%d", rc
);
2647 qeth_qdio_clear_card(card
, card
->info
.type
!= QETH_CARD_TYPE_IQD
);
2648 qdio_free(CARD_DDEV(card
));
2652 static void qeth_print_status_with_portname(struct qeth_card
*card
)
2657 sprintf(dbf_text
, "%s", card
->info
.portname
+ 1);
2658 for (i
= 0; i
< 8; i
++)
2660 (char) _ebcasc
[(__u8
) dbf_text
[i
]];
2662 dev_info(&card
->gdev
->dev
, "Device is a%s card%s%s%s\n"
2663 "with link type %s (portname: %s)\n",
2664 qeth_get_cardname(card
),
2665 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2666 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2667 (card
->info
.mcl_level
[0]) ? ")" : "",
2668 qeth_get_cardname_short(card
),
2673 static void qeth_print_status_no_portname(struct qeth_card
*card
)
2675 if (card
->info
.portname
[0])
2676 dev_info(&card
->gdev
->dev
, "Device is a%s "
2677 "card%s%s%s\nwith link type %s "
2678 "(no portname needed by interface).\n",
2679 qeth_get_cardname(card
),
2680 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2681 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2682 (card
->info
.mcl_level
[0]) ? ")" : "",
2683 qeth_get_cardname_short(card
));
2685 dev_info(&card
->gdev
->dev
, "Device is a%s "
2686 "card%s%s%s\nwith link type %s.\n",
2687 qeth_get_cardname(card
),
2688 (card
->info
.mcl_level
[0]) ? " (level: " : "",
2689 (card
->info
.mcl_level
[0]) ? card
->info
.mcl_level
: "",
2690 (card
->info
.mcl_level
[0]) ? ")" : "",
2691 qeth_get_cardname_short(card
));
2694 void qeth_print_status_message(struct qeth_card
*card
)
2696 switch (card
->info
.type
) {
2697 case QETH_CARD_TYPE_OSD
:
2698 case QETH_CARD_TYPE_OSM
:
2699 case QETH_CARD_TYPE_OSX
:
2700 /* VM will use a non-zero first character
2701 * to indicate a HiperSockets like reporting
2702 * of the level OSA sets the first character to zero
2704 if (!card
->info
.mcl_level
[0]) {
2705 sprintf(card
->info
.mcl_level
, "%02x%02x",
2706 card
->info
.mcl_level
[2],
2707 card
->info
.mcl_level
[3]);
2709 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
2713 case QETH_CARD_TYPE_IQD
:
2714 if ((card
->info
.guestlan
) ||
2715 (card
->info
.mcl_level
[0] & 0x80)) {
2716 card
->info
.mcl_level
[0] = (char) _ebcasc
[(__u8
)
2717 card
->info
.mcl_level
[0]];
2718 card
->info
.mcl_level
[1] = (char) _ebcasc
[(__u8
)
2719 card
->info
.mcl_level
[1]];
2720 card
->info
.mcl_level
[2] = (char) _ebcasc
[(__u8
)
2721 card
->info
.mcl_level
[2]];
2722 card
->info
.mcl_level
[3] = (char) _ebcasc
[(__u8
)
2723 card
->info
.mcl_level
[3]];
2724 card
->info
.mcl_level
[QETH_MCL_LENGTH
] = 0;
2728 memset(&card
->info
.mcl_level
[0], 0, QETH_MCL_LENGTH
+ 1);
2730 if (card
->info
.portname_required
)
2731 qeth_print_status_with_portname(card
);
2733 qeth_print_status_no_portname(card
);
2735 EXPORT_SYMBOL_GPL(qeth_print_status_message
);
2737 static void qeth_initialize_working_pool_list(struct qeth_card
*card
)
2739 struct qeth_buffer_pool_entry
*entry
;
2741 QETH_CARD_TEXT(card
, 5, "inwrklst");
2743 list_for_each_entry(entry
,
2744 &card
->qdio
.init_pool
.entry_list
, init_list
) {
2745 qeth_put_buffer_pool_entry(card
, entry
);
2749 static inline struct qeth_buffer_pool_entry
*qeth_find_free_buffer_pool_entry(
2750 struct qeth_card
*card
)
2752 struct list_head
*plh
;
2753 struct qeth_buffer_pool_entry
*entry
;
2757 if (list_empty(&card
->qdio
.in_buf_pool
.entry_list
))
2760 list_for_each(plh
, &card
->qdio
.in_buf_pool
.entry_list
) {
2761 entry
= list_entry(plh
, struct qeth_buffer_pool_entry
, list
);
2763 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2764 if (page_count(virt_to_page(entry
->elements
[i
])) > 1) {
2770 list_del_init(&entry
->list
);
2775 /* no free buffer in pool so take first one and swap pages */
2776 entry
= list_entry(card
->qdio
.in_buf_pool
.entry_list
.next
,
2777 struct qeth_buffer_pool_entry
, list
);
2778 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2779 if (page_count(virt_to_page(entry
->elements
[i
])) > 1) {
2780 page
= alloc_page(GFP_ATOMIC
);
2784 free_page((unsigned long)entry
->elements
[i
]);
2785 entry
->elements
[i
] = page_address(page
);
2786 if (card
->options
.performance_stats
)
2787 card
->perf_stats
.sg_alloc_page_rx
++;
2791 list_del_init(&entry
->list
);
2795 static int qeth_init_input_buffer(struct qeth_card
*card
,
2796 struct qeth_qdio_buffer
*buf
)
2798 struct qeth_buffer_pool_entry
*pool_entry
;
2801 if ((card
->options
.cq
== QETH_CQ_ENABLED
) && (!buf
->rx_skb
)) {
2802 buf
->rx_skb
= dev_alloc_skb(QETH_RX_PULL_LEN
+ ETH_HLEN
);
2807 pool_entry
= qeth_find_free_buffer_pool_entry(card
);
2812 * since the buffer is accessed only from the input_tasklet
2813 * there shouldn't be a need to synchronize; also, since we use
2814 * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off
2818 buf
->pool_entry
= pool_entry
;
2819 for (i
= 0; i
< QETH_MAX_BUFFER_ELEMENTS(card
); ++i
) {
2820 buf
->buffer
->element
[i
].length
= PAGE_SIZE
;
2821 buf
->buffer
->element
[i
].addr
= pool_entry
->elements
[i
];
2822 if (i
== QETH_MAX_BUFFER_ELEMENTS(card
) - 1)
2823 buf
->buffer
->element
[i
].eflags
= SBAL_EFLAGS_LAST_ENTRY
;
2825 buf
->buffer
->element
[i
].eflags
= 0;
2826 buf
->buffer
->element
[i
].sflags
= 0;
2831 int qeth_init_qdio_queues(struct qeth_card
*card
)
2836 QETH_DBF_TEXT(SETUP
, 2, "initqdqs");
2839 qdio_reset_buffers(card
->qdio
.in_q
->qdio_bufs
,
2840 QDIO_MAX_BUFFERS_PER_Q
);
2841 qeth_initialize_working_pool_list(card
);
2842 /*give only as many buffers to hardware as we have buffer pool entries*/
2843 for (i
= 0; i
< card
->qdio
.in_buf_pool
.buf_count
- 1; ++i
)
2844 qeth_init_input_buffer(card
, &card
->qdio
.in_q
->bufs
[i
]);
2845 card
->qdio
.in_q
->next_buf_to_init
=
2846 card
->qdio
.in_buf_pool
.buf_count
- 1;
2847 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0, 0,
2848 card
->qdio
.in_buf_pool
.buf_count
- 1);
2850 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
2855 rc
= qeth_cq_init(card
);
2860 /* outbound queue */
2861 for (i
= 0; i
< card
->qdio
.no_out_queues
; ++i
) {
2862 qdio_reset_buffers(card
->qdio
.out_qs
[i
]->qdio_bufs
,
2863 QDIO_MAX_BUFFERS_PER_Q
);
2864 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
) {
2865 qeth_clear_output_buffer(card
->qdio
.out_qs
[i
],
2866 card
->qdio
.out_qs
[i
]->bufs
[j
],
2867 QETH_QDIO_BUF_EMPTY
);
2869 card
->qdio
.out_qs
[i
]->card
= card
;
2870 card
->qdio
.out_qs
[i
]->next_buf_to_fill
= 0;
2871 card
->qdio
.out_qs
[i
]->do_pack
= 0;
2872 atomic_set(&card
->qdio
.out_qs
[i
]->used_buffers
, 0);
2873 atomic_set(&card
->qdio
.out_qs
[i
]->set_pci_flags_count
, 0);
2874 atomic_set(&card
->qdio
.out_qs
[i
]->state
,
2875 QETH_OUT_Q_UNLOCKED
);
2879 EXPORT_SYMBOL_GPL(qeth_init_qdio_queues
);
2881 static inline __u8
qeth_get_ipa_adp_type(enum qeth_link_types link_type
)
2883 switch (link_type
) {
2884 case QETH_LINK_TYPE_HSTR
:
2891 static void qeth_fill_ipacmd_header(struct qeth_card
*card
,
2892 struct qeth_ipa_cmd
*cmd
, __u8 command
,
2893 enum qeth_prot_versions prot
)
2895 memset(cmd
, 0, sizeof(struct qeth_ipa_cmd
));
2896 cmd
->hdr
.command
= command
;
2897 cmd
->hdr
.initiator
= IPA_CMD_INITIATOR_HOST
;
2898 cmd
->hdr
.seqno
= card
->seqno
.ipa
;
2899 cmd
->hdr
.adapter_type
= qeth_get_ipa_adp_type(card
->info
.link_type
);
2900 cmd
->hdr
.rel_adapter_no
= (__u8
) card
->info
.portno
;
2901 if (card
->options
.layer2
)
2902 cmd
->hdr
.prim_version_no
= 2;
2904 cmd
->hdr
.prim_version_no
= 1;
2905 cmd
->hdr
.param_count
= 1;
2906 cmd
->hdr
.prot_version
= prot
;
2907 cmd
->hdr
.ipa_supported
= 0;
2908 cmd
->hdr
.ipa_enabled
= 0;
2911 struct qeth_cmd_buffer
*qeth_get_ipacmd_buffer(struct qeth_card
*card
,
2912 enum qeth_ipa_cmds ipacmd
, enum qeth_prot_versions prot
)
2914 struct qeth_cmd_buffer
*iob
;
2915 struct qeth_ipa_cmd
*cmd
;
2917 iob
= qeth_wait_for_buffer(&card
->write
);
2918 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
2919 qeth_fill_ipacmd_header(card
, cmd
, ipacmd
, prot
);
2923 EXPORT_SYMBOL_GPL(qeth_get_ipacmd_buffer
);
2925 void qeth_prepare_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
2928 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
2929 memcpy(QETH_IPA_CMD_PROT_TYPE(iob
->data
), &prot_type
, 1);
2930 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
2931 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
2933 EXPORT_SYMBOL_GPL(qeth_prepare_ipa_cmd
);
2935 int qeth_send_ipa_cmd(struct qeth_card
*card
, struct qeth_cmd_buffer
*iob
,
2936 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
2943 QETH_CARD_TEXT(card
, 4, "sendipa");
2945 if (card
->options
.layer2
)
2946 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
2947 prot_type
= QETH_PROT_OSN2
;
2949 prot_type
= QETH_PROT_LAYER2
;
2951 prot_type
= QETH_PROT_TCPIP
;
2952 qeth_prepare_ipa_cmd(card
, iob
, prot_type
);
2953 rc
= qeth_send_control_data(card
, IPA_CMD_LENGTH
,
2954 iob
, reply_cb
, reply_param
);
2956 qeth_clear_ipacmd_list(card
);
2957 qeth_schedule_recovery(card
);
2961 EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd
);
2963 int qeth_send_startlan(struct qeth_card
*card
)
2966 struct qeth_cmd_buffer
*iob
;
2968 QETH_DBF_TEXT(SETUP
, 2, "strtlan");
2970 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_STARTLAN
, 0);
2971 rc
= qeth_send_ipa_cmd(card
, iob
, NULL
, NULL
);
2974 EXPORT_SYMBOL_GPL(qeth_send_startlan
);
2976 static int qeth_default_setadapterparms_cb(struct qeth_card
*card
,
2977 struct qeth_reply
*reply
, unsigned long data
)
2979 struct qeth_ipa_cmd
*cmd
;
2981 QETH_CARD_TEXT(card
, 4, "defadpcb");
2983 cmd
= (struct qeth_ipa_cmd
*) data
;
2984 if (cmd
->hdr
.return_code
== 0)
2985 cmd
->hdr
.return_code
=
2986 cmd
->data
.setadapterparms
.hdr
.return_code
;
2990 static int qeth_query_setadapterparms_cb(struct qeth_card
*card
,
2991 struct qeth_reply
*reply
, unsigned long data
)
2993 struct qeth_ipa_cmd
*cmd
;
2995 QETH_CARD_TEXT(card
, 3, "quyadpcb");
2997 cmd
= (struct qeth_ipa_cmd
*) data
;
2998 if (cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
& 0x7f) {
2999 card
->info
.link_type
=
3000 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.lan_type
;
3001 QETH_DBF_TEXT_(SETUP
, 2, "lnk %d", card
->info
.link_type
);
3003 card
->options
.adp
.supported_funcs
=
3004 cmd
->data
.setadapterparms
.data
.query_cmds_supp
.supported_cmds
;
3005 return qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
3008 static struct qeth_cmd_buffer
*qeth_get_adapter_cmd(struct qeth_card
*card
,
3009 __u32 command
, __u32 cmdlen
)
3011 struct qeth_cmd_buffer
*iob
;
3012 struct qeth_ipa_cmd
*cmd
;
3014 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SETADAPTERPARMS
,
3016 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3017 cmd
->data
.setadapterparms
.hdr
.cmdlength
= cmdlen
;
3018 cmd
->data
.setadapterparms
.hdr
.command_code
= command
;
3019 cmd
->data
.setadapterparms
.hdr
.used_total
= 1;
3020 cmd
->data
.setadapterparms
.hdr
.seq_no
= 1;
3025 int qeth_query_setadapterparms(struct qeth_card
*card
)
3028 struct qeth_cmd_buffer
*iob
;
3030 QETH_CARD_TEXT(card
, 3, "queryadp");
3031 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_QUERY_COMMANDS_SUPPORTED
,
3032 sizeof(struct qeth_ipacmd_setadpparms
));
3033 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_query_setadapterparms_cb
, NULL
);
3036 EXPORT_SYMBOL_GPL(qeth_query_setadapterparms
);
3038 static int qeth_query_ipassists_cb(struct qeth_card
*card
,
3039 struct qeth_reply
*reply
, unsigned long data
)
3041 struct qeth_ipa_cmd
*cmd
;
3043 QETH_DBF_TEXT(SETUP
, 2, "qipasscb");
3045 cmd
= (struct qeth_ipa_cmd
*) data
;
3047 switch (cmd
->hdr
.return_code
) {
3048 case IPA_RC_NOTSUPP
:
3049 case IPA_RC_L2_UNSUPPORTED_CMD
:
3050 QETH_DBF_TEXT(SETUP
, 2, "ipaunsup");
3051 card
->options
.ipa4
.supported_funcs
|= IPA_SETADAPTERPARMS
;
3052 card
->options
.ipa6
.supported_funcs
|= IPA_SETADAPTERPARMS
;
3055 if (cmd
->hdr
.return_code
) {
3056 QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Unhandled "
3058 dev_name(&card
->gdev
->dev
),
3059 cmd
->hdr
.return_code
);
3064 if (cmd
->hdr
.prot_version
== QETH_PROT_IPV4
) {
3065 card
->options
.ipa4
.supported_funcs
= cmd
->hdr
.ipa_supported
;
3066 card
->options
.ipa4
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
3067 } else if (cmd
->hdr
.prot_version
== QETH_PROT_IPV6
) {
3068 card
->options
.ipa6
.supported_funcs
= cmd
->hdr
.ipa_supported
;
3069 card
->options
.ipa6
.enabled_funcs
= cmd
->hdr
.ipa_enabled
;
3071 QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Flawed LIC detected"
3072 "\n", dev_name(&card
->gdev
->dev
));
3076 int qeth_query_ipassists(struct qeth_card
*card
, enum qeth_prot_versions prot
)
3079 struct qeth_cmd_buffer
*iob
;
3081 QETH_DBF_TEXT_(SETUP
, 2, "qipassi%i", prot
);
3082 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_QIPASSIST
, prot
);
3083 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_query_ipassists_cb
, NULL
);
3086 EXPORT_SYMBOL_GPL(qeth_query_ipassists
);
3088 static int qeth_query_switch_attributes_cb(struct qeth_card
*card
,
3089 struct qeth_reply
*reply
, unsigned long data
)
3091 struct qeth_ipa_cmd
*cmd
;
3092 struct qeth_switch_info
*sw_info
;
3093 struct qeth_query_switch_attributes
*attrs
;
3095 QETH_CARD_TEXT(card
, 2, "qswiatcb");
3096 cmd
= (struct qeth_ipa_cmd
*) data
;
3097 sw_info
= (struct qeth_switch_info
*)reply
->param
;
3098 if (cmd
->data
.setadapterparms
.hdr
.return_code
== 0) {
3099 attrs
= &cmd
->data
.setadapterparms
.data
.query_switch_attributes
;
3100 sw_info
->capabilities
= attrs
->capabilities
;
3101 sw_info
->settings
= attrs
->settings
;
3102 QETH_CARD_TEXT_(card
, 2, "%04x%04x", sw_info
->capabilities
,
3105 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
3110 int qeth_query_switch_attributes(struct qeth_card
*card
,
3111 struct qeth_switch_info
*sw_info
)
3113 struct qeth_cmd_buffer
*iob
;
3115 QETH_CARD_TEXT(card
, 2, "qswiattr");
3116 if (!qeth_adp_supported(card
, IPA_SETADP_QUERY_SWITCH_ATTRIBUTES
))
3118 if (!netif_carrier_ok(card
->dev
))
3120 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_QUERY_SWITCH_ATTRIBUTES
,
3121 sizeof(struct qeth_ipacmd_setadpparms_hdr
));
3122 return qeth_send_ipa_cmd(card
, iob
,
3123 qeth_query_switch_attributes_cb
, sw_info
);
3125 EXPORT_SYMBOL_GPL(qeth_query_switch_attributes
);
3127 static int qeth_query_setdiagass_cb(struct qeth_card
*card
,
3128 struct qeth_reply
*reply
, unsigned long data
)
3130 struct qeth_ipa_cmd
*cmd
;
3133 cmd
= (struct qeth_ipa_cmd
*)data
;
3134 rc
= cmd
->hdr
.return_code
;
3136 QETH_CARD_TEXT_(card
, 2, "diagq:%x", rc
);
3138 card
->info
.diagass_support
= cmd
->data
.diagass
.ext
;
3142 static int qeth_query_setdiagass(struct qeth_card
*card
)
3144 struct qeth_cmd_buffer
*iob
;
3145 struct qeth_ipa_cmd
*cmd
;
3147 QETH_DBF_TEXT(SETUP
, 2, "qdiagass");
3148 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SET_DIAG_ASS
, 0);
3149 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3150 cmd
->data
.diagass
.subcmd_len
= 16;
3151 cmd
->data
.diagass
.subcmd
= QETH_DIAGS_CMD_QUERY
;
3152 return qeth_send_ipa_cmd(card
, iob
, qeth_query_setdiagass_cb
, NULL
);
3155 static void qeth_get_trap_id(struct qeth_card
*card
, struct qeth_trap_id
*tid
)
3157 unsigned long info
= get_zeroed_page(GFP_KERNEL
);
3158 struct sysinfo_2_2_2
*info222
= (struct sysinfo_2_2_2
*)info
;
3159 struct sysinfo_3_2_2
*info322
= (struct sysinfo_3_2_2
*)info
;
3160 struct ccw_dev_id ccwid
;
3163 tid
->chpid
= card
->info
.chpid
;
3164 ccw_device_get_id(CARD_RDEV(card
), &ccwid
);
3165 tid
->ssid
= ccwid
.ssid
;
3166 tid
->devno
= ccwid
.devno
;
3169 level
= stsi(NULL
, 0, 0, 0);
3170 if ((level
>= 2) && (stsi(info222
, 2, 2, 2) == 0))
3171 tid
->lparnr
= info222
->lpar_number
;
3172 if ((level
>= 3) && (stsi(info322
, 3, 2, 2) == 0)) {
3173 EBCASC(info322
->vm
[0].name
, sizeof(info322
->vm
[0].name
));
3174 memcpy(tid
->vmname
, info322
->vm
[0].name
, sizeof(tid
->vmname
));
3180 static int qeth_hw_trap_cb(struct qeth_card
*card
,
3181 struct qeth_reply
*reply
, unsigned long data
)
3183 struct qeth_ipa_cmd
*cmd
;
3186 cmd
= (struct qeth_ipa_cmd
*)data
;
3187 rc
= cmd
->hdr
.return_code
;
3189 QETH_CARD_TEXT_(card
, 2, "trapc:%x", rc
);
3193 int qeth_hw_trap(struct qeth_card
*card
, enum qeth_diags_trap_action action
)
3195 struct qeth_cmd_buffer
*iob
;
3196 struct qeth_ipa_cmd
*cmd
;
3198 QETH_DBF_TEXT(SETUP
, 2, "diagtrap");
3199 iob
= qeth_get_ipacmd_buffer(card
, IPA_CMD_SET_DIAG_ASS
, 0);
3200 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
3201 cmd
->data
.diagass
.subcmd_len
= 80;
3202 cmd
->data
.diagass
.subcmd
= QETH_DIAGS_CMD_TRAP
;
3203 cmd
->data
.diagass
.type
= 1;
3204 cmd
->data
.diagass
.action
= action
;
3206 case QETH_DIAGS_TRAP_ARM
:
3207 cmd
->data
.diagass
.options
= 0x0003;
3208 cmd
->data
.diagass
.ext
= 0x00010000 +
3209 sizeof(struct qeth_trap_id
);
3210 qeth_get_trap_id(card
,
3211 (struct qeth_trap_id
*)cmd
->data
.diagass
.cdata
);
3213 case QETH_DIAGS_TRAP_DISARM
:
3214 cmd
->data
.diagass
.options
= 0x0001;
3216 case QETH_DIAGS_TRAP_CAPTURE
:
3219 return qeth_send_ipa_cmd(card
, iob
, qeth_hw_trap_cb
, NULL
);
3221 EXPORT_SYMBOL_GPL(qeth_hw_trap
);
3223 int qeth_check_qdio_errors(struct qeth_card
*card
, struct qdio_buffer
*buf
,
3224 unsigned int qdio_error
, const char *dbftext
)
3227 QETH_CARD_TEXT(card
, 2, dbftext
);
3228 QETH_CARD_TEXT_(card
, 2, " F15=%02X",
3229 buf
->element
[15].sflags
);
3230 QETH_CARD_TEXT_(card
, 2, " F14=%02X",
3231 buf
->element
[14].sflags
);
3232 QETH_CARD_TEXT_(card
, 2, " qerr=%X", qdio_error
);
3233 if ((buf
->element
[15].sflags
) == 0x12) {
3234 card
->stats
.rx_dropped
++;
3241 EXPORT_SYMBOL_GPL(qeth_check_qdio_errors
);
3243 static void qeth_buffer_reclaim_work(struct work_struct
*work
)
3245 struct qeth_card
*card
= container_of(work
, struct qeth_card
,
3246 buffer_reclaim_work
.work
);
3248 QETH_CARD_TEXT_(card
, 2, "brw:%x", card
->reclaim_index
);
3249 qeth_queue_input_buffer(card
, card
->reclaim_index
);
3252 void qeth_queue_input_buffer(struct qeth_card
*card
, int index
)
3254 struct qeth_qdio_q
*queue
= card
->qdio
.in_q
;
3255 struct list_head
*lh
;
3261 count
= (index
< queue
->next_buf_to_init
)?
3262 card
->qdio
.in_buf_pool
.buf_count
-
3263 (queue
->next_buf_to_init
- index
) :
3264 card
->qdio
.in_buf_pool
.buf_count
-
3265 (queue
->next_buf_to_init
+ QDIO_MAX_BUFFERS_PER_Q
- index
);
3266 /* only requeue at a certain threshold to avoid SIGAs */
3267 if (count
>= QETH_IN_BUF_REQUEUE_THRESHOLD(card
)) {
3268 for (i
= queue
->next_buf_to_init
;
3269 i
< queue
->next_buf_to_init
+ count
; ++i
) {
3270 if (qeth_init_input_buffer(card
,
3271 &queue
->bufs
[i
% QDIO_MAX_BUFFERS_PER_Q
])) {
3278 if (newcount
< count
) {
3279 /* we are in memory shortage so we switch back to
3280 traditional skb allocation and drop packages */
3281 atomic_set(&card
->force_alloc_skb
, 3);
3284 atomic_add_unless(&card
->force_alloc_skb
, -1, 0);
3289 list_for_each(lh
, &card
->qdio
.in_buf_pool
.entry_list
)
3291 if (i
== card
->qdio
.in_buf_pool
.buf_count
) {
3292 QETH_CARD_TEXT(card
, 2, "qsarbw");
3293 card
->reclaim_index
= index
;
3294 schedule_delayed_work(
3295 &card
->buffer_reclaim_work
,
3296 QETH_RECLAIM_WORK_TIME
);
3302 * according to old code it should be avoided to requeue all
3303 * 128 buffers in order to benefit from PCI avoidance.
3304 * this function keeps at least one buffer (the buffer at
3305 * 'index') un-requeued -> this buffer is the first buffer that
3306 * will be requeued the next time
3308 if (card
->options
.performance_stats
) {
3309 card
->perf_stats
.inbound_do_qdio_cnt
++;
3310 card
->perf_stats
.inbound_do_qdio_start_time
=
3313 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, 0,
3314 queue
->next_buf_to_init
, count
);
3315 if (card
->options
.performance_stats
)
3316 card
->perf_stats
.inbound_do_qdio_time
+=
3318 card
->perf_stats
.inbound_do_qdio_start_time
;
3320 QETH_CARD_TEXT(card
, 2, "qinberr");
3322 queue
->next_buf_to_init
= (queue
->next_buf_to_init
+ count
) %
3323 QDIO_MAX_BUFFERS_PER_Q
;
3326 EXPORT_SYMBOL_GPL(qeth_queue_input_buffer
);
3328 static int qeth_handle_send_error(struct qeth_card
*card
,
3329 struct qeth_qdio_out_buffer
*buffer
, unsigned int qdio_err
)
3331 int sbalf15
= buffer
->buffer
->element
[15].sflags
;
3333 QETH_CARD_TEXT(card
, 6, "hdsnderr");
3334 if (card
->info
.type
== QETH_CARD_TYPE_IQD
) {
3341 qeth_check_qdio_errors(card
, buffer
->buffer
, qdio_err
, "qouterr");
3344 return QETH_SEND_ERROR_NONE
;
3346 if ((sbalf15
>= 15) && (sbalf15
<= 31))
3347 return QETH_SEND_ERROR_RETRY
;
3349 QETH_CARD_TEXT(card
, 1, "lnkfail");
3350 QETH_CARD_TEXT_(card
, 1, "%04x %02x",
3351 (u16
)qdio_err
, (u8
)sbalf15
);
3352 return QETH_SEND_ERROR_LINK_FAILURE
;
3356 * Switched to packing state if the number of used buffers on a queue
3357 * reaches a certain limit.
3359 static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q
*queue
)
3361 if (!queue
->do_pack
) {
3362 if (atomic_read(&queue
->used_buffers
)
3363 >= QETH_HIGH_WATERMARK_PACK
){
3364 /* switch non-PACKING -> PACKING */
3365 QETH_CARD_TEXT(queue
->card
, 6, "np->pack");
3366 if (queue
->card
->options
.performance_stats
)
3367 queue
->card
->perf_stats
.sc_dp_p
++;
3374 * Switches from packing to non-packing mode. If there is a packing
3375 * buffer on the queue this buffer will be prepared to be flushed.
3376 * In that case 1 is returned to inform the caller. If no buffer
3377 * has to be flushed, zero is returned.
3379 static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q
*queue
)
3381 struct qeth_qdio_out_buffer
*buffer
;
3382 int flush_count
= 0;
3384 if (queue
->do_pack
) {
3385 if (atomic_read(&queue
->used_buffers
)
3386 <= QETH_LOW_WATERMARK_PACK
) {
3387 /* switch PACKING -> non-PACKING */
3388 QETH_CARD_TEXT(queue
->card
, 6, "pack->np");
3389 if (queue
->card
->options
.performance_stats
)
3390 queue
->card
->perf_stats
.sc_p_dp
++;
3392 /* flush packing buffers */
3393 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
3394 if ((atomic_read(&buffer
->state
) ==
3395 QETH_QDIO_BUF_EMPTY
) &&
3396 (buffer
->next_element_to_fill
> 0)) {
3397 atomic_set(&buffer
->state
,
3398 QETH_QDIO_BUF_PRIMED
);
3400 queue
->next_buf_to_fill
=
3401 (queue
->next_buf_to_fill
+ 1) %
3402 QDIO_MAX_BUFFERS_PER_Q
;
3411 * Called to flush a packing buffer if no more pci flags are on the queue.
3412 * Checks if there is a packing buffer and prepares it to be flushed.
3413 * In that case returns 1, otherwise zero.
3415 static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q
*queue
)
3417 struct qeth_qdio_out_buffer
*buffer
;
3419 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
3420 if ((atomic_read(&buffer
->state
) == QETH_QDIO_BUF_EMPTY
) &&
3421 (buffer
->next_element_to_fill
> 0)) {
3422 /* it's a packing buffer */
3423 atomic_set(&buffer
->state
, QETH_QDIO_BUF_PRIMED
);
3424 queue
->next_buf_to_fill
=
3425 (queue
->next_buf_to_fill
+ 1) % QDIO_MAX_BUFFERS_PER_Q
;
3431 static void qeth_flush_buffers(struct qeth_qdio_out_q
*queue
, int index
,
3434 struct qeth_qdio_out_buffer
*buf
;
3437 unsigned int qdio_flags
;
3439 for (i
= index
; i
< index
+ count
; ++i
) {
3440 int bidx
= i
% QDIO_MAX_BUFFERS_PER_Q
;
3441 buf
= queue
->bufs
[bidx
];
3442 buf
->buffer
->element
[buf
->next_element_to_fill
- 1].eflags
|=
3443 SBAL_EFLAGS_LAST_ENTRY
;
3445 if (queue
->bufstates
)
3446 queue
->bufstates
[bidx
].user
= buf
;
3448 if (queue
->card
->info
.type
== QETH_CARD_TYPE_IQD
)
3451 if (!queue
->do_pack
) {
3452 if ((atomic_read(&queue
->used_buffers
) >=
3453 (QETH_HIGH_WATERMARK_PACK
-
3454 QETH_WATERMARK_PACK_FUZZ
)) &&
3455 !atomic_read(&queue
->set_pci_flags_count
)) {
3456 /* it's likely that we'll go to packing
3458 atomic_inc(&queue
->set_pci_flags_count
);
3459 buf
->buffer
->element
[0].sflags
|= SBAL_SFLAGS0_PCI_REQ
;
3462 if (!atomic_read(&queue
->set_pci_flags_count
)) {
3464 * there's no outstanding PCI any more, so we
3465 * have to request a PCI to be sure the the PCI
3466 * will wake at some time in the future then we
3467 * can flush packed buffers that might still be
3468 * hanging around, which can happen if no
3469 * further send was requested by the stack
3471 atomic_inc(&queue
->set_pci_flags_count
);
3472 buf
->buffer
->element
[0].sflags
|= SBAL_SFLAGS0_PCI_REQ
;
3477 queue
->card
->dev
->trans_start
= jiffies
;
3478 if (queue
->card
->options
.performance_stats
) {
3479 queue
->card
->perf_stats
.outbound_do_qdio_cnt
++;
3480 queue
->card
->perf_stats
.outbound_do_qdio_start_time
=
3483 qdio_flags
= QDIO_FLAG_SYNC_OUTPUT
;
3484 if (atomic_read(&queue
->set_pci_flags_count
))
3485 qdio_flags
|= QDIO_FLAG_PCI_OUT
;
3486 rc
= do_QDIO(CARD_DDEV(queue
->card
), qdio_flags
,
3487 queue
->queue_no
, index
, count
);
3488 if (queue
->card
->options
.performance_stats
)
3489 queue
->card
->perf_stats
.outbound_do_qdio_time
+=
3491 queue
->card
->perf_stats
.outbound_do_qdio_start_time
;
3492 atomic_add(count
, &queue
->used_buffers
);
3494 queue
->card
->stats
.tx_errors
+= count
;
3495 /* ignore temporary SIGA errors without busy condition */
3498 QETH_CARD_TEXT(queue
->card
, 2, "flushbuf");
3499 QETH_CARD_TEXT_(queue
->card
, 2, " q%d", queue
->queue_no
);
3500 QETH_CARD_TEXT_(queue
->card
, 2, " idx%d", index
);
3501 QETH_CARD_TEXT_(queue
->card
, 2, " c%d", count
);
3502 QETH_CARD_TEXT_(queue
->card
, 2, " err%d", rc
);
3504 /* this must not happen under normal circumstances. if it
3505 * happens something is really wrong -> recover */
3506 qeth_schedule_recovery(queue
->card
);
3509 if (queue
->card
->options
.performance_stats
)
3510 queue
->card
->perf_stats
.bufs_sent
+= count
;
3513 static void qeth_check_outbound_queue(struct qeth_qdio_out_q
*queue
)
3517 int q_was_packing
= 0;
3520 * check if weed have to switch to non-packing mode or if
3521 * we have to get a pci flag out on the queue
3523 if ((atomic_read(&queue
->used_buffers
) <= QETH_LOW_WATERMARK_PACK
) ||
3524 !atomic_read(&queue
->set_pci_flags_count
)) {
3525 if (atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
) ==
3526 QETH_OUT_Q_UNLOCKED
) {
3528 * If we get in here, there was no action in
3529 * do_send_packet. So, we check if there is a
3530 * packing buffer to be flushed here.
3532 netif_stop_queue(queue
->card
->dev
);
3533 index
= queue
->next_buf_to_fill
;
3534 q_was_packing
= queue
->do_pack
;
3535 /* queue->do_pack may change */
3537 flush_cnt
+= qeth_switch_to_nonpacking_if_needed(queue
);
3539 !atomic_read(&queue
->set_pci_flags_count
))
3541 qeth_flush_buffers_on_no_pci(queue
);
3542 if (queue
->card
->options
.performance_stats
&&
3544 queue
->card
->perf_stats
.bufs_sent_pack
+=
3547 qeth_flush_buffers(queue
, index
, flush_cnt
);
3548 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
3553 void qeth_qdio_start_poll(struct ccw_device
*ccwdev
, int queue
,
3554 unsigned long card_ptr
)
3556 struct qeth_card
*card
= (struct qeth_card
*)card_ptr
;
3558 if (card
->dev
&& (card
->dev
->flags
& IFF_UP
))
3559 napi_schedule(&card
->napi
);
3561 EXPORT_SYMBOL_GPL(qeth_qdio_start_poll
);
3563 int qeth_configure_cq(struct qeth_card
*card
, enum qeth_cq cq
)
3567 if (card
->options
.cq
== QETH_CQ_NOTAVAILABLE
) {
3571 if (card
->options
.cq
== cq
) {
3576 if (card
->state
!= CARD_STATE_DOWN
&&
3577 card
->state
!= CARD_STATE_RECOVER
) {
3582 qeth_free_qdio_buffers(card
);
3583 card
->options
.cq
= cq
;
3590 EXPORT_SYMBOL_GPL(qeth_configure_cq
);
3593 static void qeth_qdio_cq_handler(struct qeth_card
*card
,
3594 unsigned int qdio_err
,
3595 unsigned int queue
, int first_element
, int count
) {
3596 struct qeth_qdio_q
*cq
= card
->qdio
.c_q
;
3600 if (!qeth_is_cq(card
, queue
))
3603 QETH_CARD_TEXT_(card
, 5, "qcqhe%d", first_element
);
3604 QETH_CARD_TEXT_(card
, 5, "qcqhc%d", count
);
3605 QETH_CARD_TEXT_(card
, 5, "qcqherr%d", qdio_err
);
3608 netif_stop_queue(card
->dev
);
3609 qeth_schedule_recovery(card
);
3613 if (card
->options
.performance_stats
) {
3614 card
->perf_stats
.cq_cnt
++;
3615 card
->perf_stats
.cq_start_time
= qeth_get_micros();
3618 for (i
= first_element
; i
< first_element
+ count
; ++i
) {
3619 int bidx
= i
% QDIO_MAX_BUFFERS_PER_Q
;
3620 struct qdio_buffer
*buffer
= cq
->qdio_bufs
[bidx
];
3624 while (buffer
->element
[e
].addr
) {
3625 unsigned long phys_aob_addr
;
3627 phys_aob_addr
= (unsigned long) buffer
->element
[e
].addr
;
3628 qeth_qdio_handle_aob(card
, phys_aob_addr
);
3629 buffer
->element
[e
].addr
= NULL
;
3630 buffer
->element
[e
].eflags
= 0;
3631 buffer
->element
[e
].sflags
= 0;
3632 buffer
->element
[e
].length
= 0;
3637 buffer
->element
[15].eflags
= 0;
3638 buffer
->element
[15].sflags
= 0;
3640 rc
= do_QDIO(CARD_DDEV(card
), QDIO_FLAG_SYNC_INPUT
, queue
,
3641 card
->qdio
.c_q
->next_buf_to_init
,
3644 dev_warn(&card
->gdev
->dev
,
3645 "QDIO reported an error, rc=%i\n", rc
);
3646 QETH_CARD_TEXT(card
, 2, "qcqherr");
3648 card
->qdio
.c_q
->next_buf_to_init
= (card
->qdio
.c_q
->next_buf_to_init
3649 + count
) % QDIO_MAX_BUFFERS_PER_Q
;
3651 netif_wake_queue(card
->dev
);
3653 if (card
->options
.performance_stats
) {
3654 int delta_t
= qeth_get_micros();
3655 delta_t
-= card
->perf_stats
.cq_start_time
;
3656 card
->perf_stats
.cq_time
+= delta_t
;
3662 void qeth_qdio_input_handler(struct ccw_device
*ccwdev
, unsigned int qdio_err
,
3663 unsigned int queue
, int first_elem
, int count
,
3664 unsigned long card_ptr
)
3666 struct qeth_card
*card
= (struct qeth_card
*)card_ptr
;
3668 QETH_CARD_TEXT_(card
, 2, "qihq%d", queue
);
3669 QETH_CARD_TEXT_(card
, 2, "qiec%d", qdio_err
);
3671 if (qeth_is_cq(card
, queue
))
3672 qeth_qdio_cq_handler(card
, qdio_err
, queue
, first_elem
, count
);
3674 qeth_schedule_recovery(card
);
3678 EXPORT_SYMBOL_GPL(qeth_qdio_input_handler
);
3680 void qeth_qdio_output_handler(struct ccw_device
*ccwdev
,
3681 unsigned int qdio_error
, int __queue
, int first_element
,
3682 int count
, unsigned long card_ptr
)
3684 struct qeth_card
*card
= (struct qeth_card
*) card_ptr
;
3685 struct qeth_qdio_out_q
*queue
= card
->qdio
.out_qs
[__queue
];
3686 struct qeth_qdio_out_buffer
*buffer
;
3689 QETH_CARD_TEXT(card
, 6, "qdouhdl");
3690 if (qdio_error
& QDIO_ERROR_FATAL
) {
3691 QETH_CARD_TEXT(card
, 2, "achkcond");
3692 netif_stop_queue(card
->dev
);
3693 qeth_schedule_recovery(card
);
3696 if (card
->options
.performance_stats
) {
3697 card
->perf_stats
.outbound_handler_cnt
++;
3698 card
->perf_stats
.outbound_handler_start_time
=
3701 for (i
= first_element
; i
< (first_element
+ count
); ++i
) {
3702 int bidx
= i
% QDIO_MAX_BUFFERS_PER_Q
;
3703 buffer
= queue
->bufs
[bidx
];
3704 qeth_handle_send_error(card
, buffer
, qdio_error
);
3706 if (queue
->bufstates
&&
3707 (queue
->bufstates
[bidx
].flags
&
3708 QDIO_OUTBUF_STATE_FLAG_PENDING
) != 0) {
3709 WARN_ON_ONCE(card
->options
.cq
!= QETH_CQ_ENABLED
);
3711 if (atomic_cmpxchg(&buffer
->state
,
3712 QETH_QDIO_BUF_PRIMED
,
3713 QETH_QDIO_BUF_PENDING
) ==
3714 QETH_QDIO_BUF_PRIMED
) {
3715 qeth_notify_skbs(queue
, buffer
,
3718 buffer
->aob
= queue
->bufstates
[bidx
].aob
;
3719 QETH_CARD_TEXT_(queue
->card
, 5, "pel%d", bidx
);
3720 QETH_CARD_TEXT(queue
->card
, 5, "aob");
3721 QETH_CARD_TEXT_(queue
->card
, 5, "%lx",
3722 virt_to_phys(buffer
->aob
));
3723 if (qeth_init_qdio_out_buf(queue
, bidx
)) {
3724 QETH_CARD_TEXT(card
, 2, "outofbuf");
3725 qeth_schedule_recovery(card
);
3728 if (card
->options
.cq
== QETH_CQ_ENABLED
) {
3729 enum iucv_tx_notify n
;
3731 n
= qeth_compute_cq_notification(
3732 buffer
->buffer
->element
[15].sflags
, 0);
3733 qeth_notify_skbs(queue
, buffer
, n
);
3736 qeth_clear_output_buffer(queue
, buffer
,
3737 QETH_QDIO_BUF_EMPTY
);
3739 qeth_cleanup_handled_pending(queue
, bidx
, 0);
3741 atomic_sub(count
, &queue
->used_buffers
);
3742 /* check if we need to do something on this outbound queue */
3743 if (card
->info
.type
!= QETH_CARD_TYPE_IQD
)
3744 qeth_check_outbound_queue(queue
);
3746 netif_wake_queue(queue
->card
->dev
);
3747 if (card
->options
.performance_stats
)
3748 card
->perf_stats
.outbound_handler_time
+= qeth_get_micros() -
3749 card
->perf_stats
.outbound_handler_start_time
;
3751 EXPORT_SYMBOL_GPL(qeth_qdio_output_handler
);
3754 * Note: Function assumes that we have 4 outbound queues.
3756 int qeth_get_priority_queue(struct qeth_card
*card
, struct sk_buff
*skb
,
3757 int ipv
, int cast_type
)
3762 if (cast_type
&& card
->info
.is_multicast_different
)
3763 return card
->info
.is_multicast_different
&
3764 (card
->qdio
.no_out_queues
- 1);
3766 switch (card
->qdio
.do_prio_queueing
) {
3767 case QETH_PRIO_Q_ING_TOS
:
3768 case QETH_PRIO_Q_ING_PREC
:
3771 tos
= ipv4_get_dsfield(ip_hdr(skb
));
3774 tos
= ipv6_get_dsfield(ipv6_hdr(skb
));
3777 return card
->qdio
.default_out_queue
;
3779 if (card
->qdio
.do_prio_queueing
== QETH_PRIO_Q_ING_PREC
)
3780 return ~tos
>> 6 & 3;
3781 if (tos
& IPTOS_MINCOST
)
3783 if (tos
& IPTOS_RELIABILITY
)
3785 if (tos
& IPTOS_THROUGHPUT
)
3787 if (tos
& IPTOS_LOWDELAY
)
3790 case QETH_PRIO_Q_ING_SKB
:
3791 if (skb
->priority
> 5)
3793 return ~skb
->priority
>> 1 & 3;
3794 case QETH_PRIO_Q_ING_VLAN
:
3795 tci
= &((struct ethhdr
*)skb
->data
)->h_proto
;
3796 if (*tci
== ETH_P_8021Q
)
3797 return ~*(tci
+ 1) >> (VLAN_PRIO_SHIFT
+ 1) & 3;
3802 return card
->qdio
.default_out_queue
;
3804 EXPORT_SYMBOL_GPL(qeth_get_priority_queue
);
3806 int qeth_get_elements_for_frags(struct sk_buff
*skb
)
3808 int cnt
, length
, e
, elements
= 0;
3809 struct skb_frag_struct
*frag
;
3812 for (cnt
= 0; cnt
< skb_shinfo(skb
)->nr_frags
; cnt
++) {
3813 frag
= &skb_shinfo(skb
)->frags
[cnt
];
3814 data
= (char *)page_to_phys(skb_frag_page(frag
)) +
3816 length
= frag
->size
;
3817 e
= PFN_UP((unsigned long)data
+ length
- 1) -
3818 PFN_DOWN((unsigned long)data
);
3823 EXPORT_SYMBOL_GPL(qeth_get_elements_for_frags
);
3825 int qeth_get_elements_no(struct qeth_card
*card
,
3826 struct sk_buff
*skb
, int elems
)
3828 int dlen
= skb
->len
- skb
->data_len
;
3829 int elements_needed
= PFN_UP((unsigned long)skb
->data
+ dlen
- 1) -
3830 PFN_DOWN((unsigned long)skb
->data
);
3832 elements_needed
+= qeth_get_elements_for_frags(skb
);
3834 if ((elements_needed
+ elems
) > QETH_MAX_BUFFER_ELEMENTS(card
)) {
3835 QETH_DBF_MESSAGE(2, "Invalid size of IP packet "
3836 "(Number=%d / Length=%d). Discarded.\n",
3837 (elements_needed
+elems
), skb
->len
);
3840 return elements_needed
;
3842 EXPORT_SYMBOL_GPL(qeth_get_elements_no
);
3844 int qeth_hdr_chk_and_bounce(struct sk_buff
*skb
, struct qeth_hdr
**hdr
, int len
)
3846 int hroom
, inpage
, rest
;
3848 if (((unsigned long)skb
->data
& PAGE_MASK
) !=
3849 (((unsigned long)skb
->data
+ len
- 1) & PAGE_MASK
)) {
3850 hroom
= skb_headroom(skb
);
3851 inpage
= PAGE_SIZE
- ((unsigned long) skb
->data
% PAGE_SIZE
);
3852 rest
= len
- inpage
;
3855 memmove(skb
->data
- rest
, skb
->data
, skb
->len
- skb
->data_len
);
3858 *hdr
= (struct qeth_hdr
*)skb
->data
;
3859 QETH_DBF_MESSAGE(2, "skb bounce len: %d rest: %d\n", len
, rest
);
3863 EXPORT_SYMBOL_GPL(qeth_hdr_chk_and_bounce
);
3865 static inline void __qeth_fill_buffer(struct sk_buff
*skb
,
3866 struct qdio_buffer
*buffer
, int is_tso
, int *next_element_to_fill
,
3869 int length
= skb
->len
- skb
->data_len
;
3874 struct skb_frag_struct
*frag
;
3876 element
= *next_element_to_fill
;
3878 first_lap
= (is_tso
== 0 ? 1 : 0);
3881 data
= skb
->data
+ offset
;
3886 while (length
> 0) {
3887 /* length_here is the remaining amount of data in this page */
3888 length_here
= PAGE_SIZE
- ((unsigned long) data
% PAGE_SIZE
);
3889 if (length
< length_here
)
3890 length_here
= length
;
3892 buffer
->element
[element
].addr
= data
;
3893 buffer
->element
[element
].length
= length_here
;
3894 length
-= length_here
;
3897 if (skb_shinfo(skb
)->nr_frags
)
3898 buffer
->element
[element
].eflags
=
3899 SBAL_EFLAGS_FIRST_FRAG
;
3901 buffer
->element
[element
].eflags
= 0;
3903 buffer
->element
[element
].eflags
=
3904 SBAL_EFLAGS_MIDDLE_FRAG
;
3907 buffer
->element
[element
].eflags
=
3908 SBAL_EFLAGS_FIRST_FRAG
;
3910 buffer
->element
[element
].eflags
=
3911 SBAL_EFLAGS_MIDDLE_FRAG
;
3913 data
+= length_here
;
3918 for (cnt
= 0; cnt
< skb_shinfo(skb
)->nr_frags
; cnt
++) {
3919 frag
= &skb_shinfo(skb
)->frags
[cnt
];
3920 data
= (char *)page_to_phys(skb_frag_page(frag
)) +
3922 length
= frag
->size
;
3923 while (length
> 0) {
3924 length_here
= PAGE_SIZE
-
3925 ((unsigned long) data
% PAGE_SIZE
);
3926 if (length
< length_here
)
3927 length_here
= length
;
3929 buffer
->element
[element
].addr
= data
;
3930 buffer
->element
[element
].length
= length_here
;
3931 buffer
->element
[element
].eflags
=
3932 SBAL_EFLAGS_MIDDLE_FRAG
;
3933 length
-= length_here
;
3934 data
+= length_here
;
3939 if (buffer
->element
[element
- 1].eflags
)
3940 buffer
->element
[element
- 1].eflags
= SBAL_EFLAGS_LAST_FRAG
;
3941 *next_element_to_fill
= element
;
3944 static inline int qeth_fill_buffer(struct qeth_qdio_out_q
*queue
,
3945 struct qeth_qdio_out_buffer
*buf
, struct sk_buff
*skb
,
3946 struct qeth_hdr
*hdr
, int offset
, int hd_len
)
3948 struct qdio_buffer
*buffer
;
3949 int flush_cnt
= 0, hdr_len
, large_send
= 0;
3951 buffer
= buf
->buffer
;
3952 atomic_inc(&skb
->users
);
3953 skb_queue_tail(&buf
->skb_list
, skb
);
3955 /*check first on TSO ....*/
3956 if (hdr
->hdr
.l3
.id
== QETH_HEADER_TYPE_TSO
) {
3957 int element
= buf
->next_element_to_fill
;
3959 hdr_len
= sizeof(struct qeth_hdr_tso
) +
3960 ((struct qeth_hdr_tso
*)hdr
)->ext
.dg_hdr_len
;
3961 /*fill first buffer entry only with header information */
3962 buffer
->element
[element
].addr
= skb
->data
;
3963 buffer
->element
[element
].length
= hdr_len
;
3964 buffer
->element
[element
].eflags
= SBAL_EFLAGS_FIRST_FRAG
;
3965 buf
->next_element_to_fill
++;
3966 skb
->data
+= hdr_len
;
3967 skb
->len
-= hdr_len
;
3972 int element
= buf
->next_element_to_fill
;
3973 buffer
->element
[element
].addr
= hdr
;
3974 buffer
->element
[element
].length
= sizeof(struct qeth_hdr
) +
3976 buffer
->element
[element
].eflags
= SBAL_EFLAGS_FIRST_FRAG
;
3977 buf
->is_header
[element
] = 1;
3978 buf
->next_element_to_fill
++;
3981 __qeth_fill_buffer(skb
, buffer
, large_send
,
3982 (int *)&buf
->next_element_to_fill
, offset
);
3984 if (!queue
->do_pack
) {
3985 QETH_CARD_TEXT(queue
->card
, 6, "fillbfnp");
3986 /* set state to PRIMED -> will be flushed */
3987 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
3990 QETH_CARD_TEXT(queue
->card
, 6, "fillbfpa");
3991 if (queue
->card
->options
.performance_stats
)
3992 queue
->card
->perf_stats
.skbs_sent_pack
++;
3993 if (buf
->next_element_to_fill
>=
3994 QETH_MAX_BUFFER_ELEMENTS(queue
->card
)) {
3996 * packed buffer if full -> set state PRIMED
3997 * -> will be flushed
3999 atomic_set(&buf
->state
, QETH_QDIO_BUF_PRIMED
);
4006 int qeth_do_send_packet_fast(struct qeth_card
*card
,
4007 struct qeth_qdio_out_q
*queue
, struct sk_buff
*skb
,
4008 struct qeth_hdr
*hdr
, int elements_needed
,
4009 int offset
, int hd_len
)
4011 struct qeth_qdio_out_buffer
*buffer
;
4014 /* spin until we get the queue ... */
4015 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
4016 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
4017 /* ... now we've got the queue */
4018 index
= queue
->next_buf_to_fill
;
4019 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
4021 * check if buffer is empty to make sure that we do not 'overtake'
4022 * ourselves and try to fill a buffer that is already primed
4024 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
)
4026 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ 1) %
4027 QDIO_MAX_BUFFERS_PER_Q
;
4028 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
4029 qeth_fill_buffer(queue
, buffer
, skb
, hdr
, offset
, hd_len
);
4030 qeth_flush_buffers(queue
, index
, 1);
4033 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
4036 EXPORT_SYMBOL_GPL(qeth_do_send_packet_fast
);
4038 int qeth_do_send_packet(struct qeth_card
*card
, struct qeth_qdio_out_q
*queue
,
4039 struct sk_buff
*skb
, struct qeth_hdr
*hdr
,
4040 int elements_needed
)
4042 struct qeth_qdio_out_buffer
*buffer
;
4044 int flush_count
= 0;
4049 /* spin until we get the queue ... */
4050 while (atomic_cmpxchg(&queue
->state
, QETH_OUT_Q_UNLOCKED
,
4051 QETH_OUT_Q_LOCKED
) != QETH_OUT_Q_UNLOCKED
);
4052 start_index
= queue
->next_buf_to_fill
;
4053 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
4055 * check if buffer is empty to make sure that we do not 'overtake'
4056 * ourselves and try to fill a buffer that is already primed
4058 if (atomic_read(&buffer
->state
) != QETH_QDIO_BUF_EMPTY
) {
4059 atomic_set(&queue
->state
, QETH_OUT_Q_UNLOCKED
);
4062 /* check if we need to switch packing state of this queue */
4063 qeth_switch_to_packing_if_needed(queue
);
4064 if (queue
->do_pack
) {
4066 /* does packet fit in current buffer? */
4067 if ((QETH_MAX_BUFFER_ELEMENTS(card
) -
4068 buffer
->next_element_to_fill
) < elements_needed
) {
4069 /* ... no -> set state PRIMED */
4070 atomic_set(&buffer
->state
, QETH_QDIO_BUF_PRIMED
);
4072 queue
->next_buf_to_fill
=
4073 (queue
->next_buf_to_fill
+ 1) %
4074 QDIO_MAX_BUFFERS_PER_Q
;
4075 buffer
= queue
->bufs
[queue
->next_buf_to_fill
];
4076 /* we did a step forward, so check buffer state
4078 if (atomic_read(&buffer
->state
) !=
4079 QETH_QDIO_BUF_EMPTY
) {
4080 qeth_flush_buffers(queue
, start_index
,
4082 atomic_set(&queue
->state
,
4083 QETH_OUT_Q_UNLOCKED
);
4088 tmp
= qeth_fill_buffer(queue
, buffer
, skb
, hdr
, -1, 0);
4089 queue
->next_buf_to_fill
= (queue
->next_buf_to_fill
+ tmp
) %
4090 QDIO_MAX_BUFFERS_PER_Q
;
4093 qeth_flush_buffers(queue
, start_index
, flush_count
);
4094 else if (!atomic_read(&queue
->set_pci_flags_count
))
4095 atomic_xchg(&queue
->state
, QETH_OUT_Q_LOCKED_FLUSH
);
4097 * queue->state will go from LOCKED -> UNLOCKED or from
4098 * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
4099 * (switch packing state or flush buffer to get another pci flag out).
4100 * In that case we will enter this loop
4102 while (atomic_dec_return(&queue
->state
)) {
4104 start_index
= queue
->next_buf_to_fill
;
4105 /* check if we can go back to non-packing state */
4106 flush_count
+= qeth_switch_to_nonpacking_if_needed(queue
);
4108 * check if we need to flush a packing buffer to get a pci
4109 * flag out on the queue
4111 if (!flush_count
&& !atomic_read(&queue
->set_pci_flags_count
))
4112 flush_count
+= qeth_flush_buffers_on_no_pci(queue
);
4114 qeth_flush_buffers(queue
, start_index
, flush_count
);
4116 /* at this point the queue is UNLOCKED again */
4117 if (queue
->card
->options
.performance_stats
&& do_pack
)
4118 queue
->card
->perf_stats
.bufs_sent_pack
+= flush_count
;
4122 EXPORT_SYMBOL_GPL(qeth_do_send_packet
);
4124 static int qeth_setadp_promisc_mode_cb(struct qeth_card
*card
,
4125 struct qeth_reply
*reply
, unsigned long data
)
4127 struct qeth_ipa_cmd
*cmd
;
4128 struct qeth_ipacmd_setadpparms
*setparms
;
4130 QETH_CARD_TEXT(card
, 4, "prmadpcb");
4132 cmd
= (struct qeth_ipa_cmd
*) data
;
4133 setparms
= &(cmd
->data
.setadapterparms
);
4135 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long)cmd
);
4136 if (cmd
->hdr
.return_code
) {
4137 QETH_CARD_TEXT_(card
, 4, "prmrc%x", cmd
->hdr
.return_code
);
4138 setparms
->data
.mode
= SET_PROMISC_MODE_OFF
;
4140 card
->info
.promisc_mode
= setparms
->data
.mode
;
4144 void qeth_setadp_promisc_mode(struct qeth_card
*card
)
4146 enum qeth_ipa_promisc_modes mode
;
4147 struct net_device
*dev
= card
->dev
;
4148 struct qeth_cmd_buffer
*iob
;
4149 struct qeth_ipa_cmd
*cmd
;
4151 QETH_CARD_TEXT(card
, 4, "setprom");
4153 if (((dev
->flags
& IFF_PROMISC
) &&
4154 (card
->info
.promisc_mode
== SET_PROMISC_MODE_ON
)) ||
4155 (!(dev
->flags
& IFF_PROMISC
) &&
4156 (card
->info
.promisc_mode
== SET_PROMISC_MODE_OFF
)))
4158 mode
= SET_PROMISC_MODE_OFF
;
4159 if (dev
->flags
& IFF_PROMISC
)
4160 mode
= SET_PROMISC_MODE_ON
;
4161 QETH_CARD_TEXT_(card
, 4, "mode:%x", mode
);
4163 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_PROMISC_MODE
,
4164 sizeof(struct qeth_ipacmd_setadpparms
));
4165 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+ IPA_PDU_HEADER_SIZE
);
4166 cmd
->data
.setadapterparms
.data
.mode
= mode
;
4167 qeth_send_ipa_cmd(card
, iob
, qeth_setadp_promisc_mode_cb
, NULL
);
4169 EXPORT_SYMBOL_GPL(qeth_setadp_promisc_mode
);
4171 int qeth_change_mtu(struct net_device
*dev
, int new_mtu
)
4173 struct qeth_card
*card
;
4176 card
= dev
->ml_priv
;
4178 QETH_CARD_TEXT(card
, 4, "chgmtu");
4179 sprintf(dbf_text
, "%8x", new_mtu
);
4180 QETH_CARD_TEXT(card
, 4, dbf_text
);
4184 if (new_mtu
> 65535)
4186 if ((!qeth_is_supported(card
, IPA_IP_FRAGMENTATION
)) &&
4187 (!qeth_mtu_is_valid(card
, new_mtu
)))
4192 EXPORT_SYMBOL_GPL(qeth_change_mtu
);
4194 struct net_device_stats
*qeth_get_stats(struct net_device
*dev
)
4196 struct qeth_card
*card
;
4198 card
= dev
->ml_priv
;
4200 QETH_CARD_TEXT(card
, 5, "getstat");
4202 return &card
->stats
;
4204 EXPORT_SYMBOL_GPL(qeth_get_stats
);
4206 static int qeth_setadpparms_change_macaddr_cb(struct qeth_card
*card
,
4207 struct qeth_reply
*reply
, unsigned long data
)
4209 struct qeth_ipa_cmd
*cmd
;
4211 QETH_CARD_TEXT(card
, 4, "chgmaccb");
4213 cmd
= (struct qeth_ipa_cmd
*) data
;
4214 if (!card
->options
.layer2
||
4215 !(card
->info
.mac_bits
& QETH_LAYER2_MAC_READ
)) {
4216 memcpy(card
->dev
->dev_addr
,
4217 &cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
4219 card
->info
.mac_bits
|= QETH_LAYER2_MAC_READ
;
4221 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
4225 int qeth_setadpparms_change_macaddr(struct qeth_card
*card
)
4228 struct qeth_cmd_buffer
*iob
;
4229 struct qeth_ipa_cmd
*cmd
;
4231 QETH_CARD_TEXT(card
, 4, "chgmac");
4233 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_ALTER_MAC_ADDRESS
,
4234 sizeof(struct qeth_ipacmd_setadpparms
));
4235 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4236 cmd
->data
.setadapterparms
.data
.change_addr
.cmd
= CHANGE_ADDR_READ_MAC
;
4237 cmd
->data
.setadapterparms
.data
.change_addr
.addr_size
= OSA_ADDR_LEN
;
4238 memcpy(&cmd
->data
.setadapterparms
.data
.change_addr
.addr
,
4239 card
->dev
->dev_addr
, OSA_ADDR_LEN
);
4240 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_change_macaddr_cb
,
4244 EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr
);
4246 static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card
*card
,
4247 struct qeth_reply
*reply
, unsigned long data
)
4249 struct qeth_ipa_cmd
*cmd
;
4250 struct qeth_set_access_ctrl
*access_ctrl_req
;
4251 int fallback
= *(int *)reply
->param
;
4253 QETH_CARD_TEXT(card
, 4, "setaccb");
4255 cmd
= (struct qeth_ipa_cmd
*) data
;
4256 access_ctrl_req
= &cmd
->data
.setadapterparms
.data
.set_access_ctrl
;
4257 QETH_DBF_TEXT_(SETUP
, 2, "setaccb");
4258 QETH_DBF_TEXT_(SETUP
, 2, "%s", card
->gdev
->dev
.kobj
.name
);
4259 QETH_DBF_TEXT_(SETUP
, 2, "rc=%d",
4260 cmd
->data
.setadapterparms
.hdr
.return_code
);
4261 if (cmd
->data
.setadapterparms
.hdr
.return_code
!=
4262 SET_ACCESS_CTRL_RC_SUCCESS
)
4263 QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
4264 card
->gdev
->dev
.kobj
.name
,
4265 access_ctrl_req
->subcmd_code
,
4266 cmd
->data
.setadapterparms
.hdr
.return_code
);
4267 switch (cmd
->data
.setadapterparms
.hdr
.return_code
) {
4268 case SET_ACCESS_CTRL_RC_SUCCESS
:
4269 if (card
->options
.isolation
== ISOLATION_MODE_NONE
) {
4270 dev_info(&card
->gdev
->dev
,
4271 "QDIO data connection isolation is deactivated\n");
4273 dev_info(&card
->gdev
->dev
,
4274 "QDIO data connection isolation is activated\n");
4277 case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED
:
4278 QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already "
4279 "deactivated\n", dev_name(&card
->gdev
->dev
));
4281 card
->options
.isolation
= card
->options
.prev_isolation
;
4283 case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED
:
4284 QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already"
4285 " activated\n", dev_name(&card
->gdev
->dev
));
4287 card
->options
.isolation
= card
->options
.prev_isolation
;
4289 case SET_ACCESS_CTRL_RC_NOT_SUPPORTED
:
4290 dev_err(&card
->gdev
->dev
, "Adapter does not "
4291 "support QDIO data connection isolation\n");
4293 case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER
:
4294 dev_err(&card
->gdev
->dev
,
4295 "Adapter is dedicated. "
4296 "QDIO data connection isolation not supported\n");
4298 card
->options
.isolation
= card
->options
.prev_isolation
;
4300 case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF
:
4301 dev_err(&card
->gdev
->dev
,
4302 "TSO does not permit QDIO data connection isolation\n");
4304 card
->options
.isolation
= card
->options
.prev_isolation
;
4306 case SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED
:
4307 dev_err(&card
->gdev
->dev
, "The adjacent switch port does not "
4308 "support reflective relay mode\n");
4310 card
->options
.isolation
= card
->options
.prev_isolation
;
4312 case SET_ACCESS_CTRL_RC_REFLREL_FAILED
:
4313 dev_err(&card
->gdev
->dev
, "The reflective relay mode cannot be "
4314 "enabled at the adjacent switch port");
4316 card
->options
.isolation
= card
->options
.prev_isolation
;
4318 case SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED
:
4319 dev_warn(&card
->gdev
->dev
, "Turning off reflective relay mode "
4320 "at the adjacent switch failed\n");
4323 /* this should never happen */
4325 card
->options
.isolation
= card
->options
.prev_isolation
;
4328 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
4332 static int qeth_setadpparms_set_access_ctrl(struct qeth_card
*card
,
4333 enum qeth_ipa_isolation_modes isolation
, int fallback
)
4336 struct qeth_cmd_buffer
*iob
;
4337 struct qeth_ipa_cmd
*cmd
;
4338 struct qeth_set_access_ctrl
*access_ctrl_req
;
4340 QETH_CARD_TEXT(card
, 4, "setacctl");
4342 QETH_DBF_TEXT_(SETUP
, 2, "setacctl");
4343 QETH_DBF_TEXT_(SETUP
, 2, "%s", card
->gdev
->dev
.kobj
.name
);
4345 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_ACCESS_CONTROL
,
4346 sizeof(struct qeth_ipacmd_setadpparms_hdr
) +
4347 sizeof(struct qeth_set_access_ctrl
));
4348 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4349 access_ctrl_req
= &cmd
->data
.setadapterparms
.data
.set_access_ctrl
;
4350 access_ctrl_req
->subcmd_code
= isolation
;
4352 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_set_access_ctrl_cb
,
4354 QETH_DBF_TEXT_(SETUP
, 2, "rc=%d", rc
);
4358 int qeth_set_access_ctrl_online(struct qeth_card
*card
, int fallback
)
4362 QETH_CARD_TEXT(card
, 4, "setactlo");
4364 if ((card
->info
.type
== QETH_CARD_TYPE_OSD
||
4365 card
->info
.type
== QETH_CARD_TYPE_OSX
) &&
4366 qeth_adp_supported(card
, IPA_SETADP_SET_ACCESS_CONTROL
)) {
4367 rc
= qeth_setadpparms_set_access_ctrl(card
,
4368 card
->options
.isolation
, fallback
);
4371 "IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n",
4372 card
->gdev
->dev
.kobj
.name
,
4376 } else if (card
->options
.isolation
!= ISOLATION_MODE_NONE
) {
4377 card
->options
.isolation
= ISOLATION_MODE_NONE
;
4379 dev_err(&card
->gdev
->dev
, "Adapter does not "
4380 "support QDIO data connection isolation\n");
4385 EXPORT_SYMBOL_GPL(qeth_set_access_ctrl_online
);
4387 void qeth_tx_timeout(struct net_device
*dev
)
4389 struct qeth_card
*card
;
4391 card
= dev
->ml_priv
;
4392 QETH_CARD_TEXT(card
, 4, "txtimeo");
4393 card
->stats
.tx_errors
++;
4394 qeth_schedule_recovery(card
);
4396 EXPORT_SYMBOL_GPL(qeth_tx_timeout
);
4398 int qeth_mdio_read(struct net_device
*dev
, int phy_id
, int regnum
)
4400 struct qeth_card
*card
= dev
->ml_priv
;
4404 case MII_BMCR
: /* Basic mode control register */
4406 if ((card
->info
.link_type
!= QETH_LINK_TYPE_GBIT_ETH
) &&
4407 (card
->info
.link_type
!= QETH_LINK_TYPE_OSN
) &&
4408 (card
->info
.link_type
!= QETH_LINK_TYPE_10GBIT_ETH
))
4409 rc
|= BMCR_SPEED100
;
4411 case MII_BMSR
: /* Basic mode status register */
4412 rc
= BMSR_ERCAP
| BMSR_ANEGCOMPLETE
| BMSR_LSTATUS
|
4413 BMSR_10HALF
| BMSR_10FULL
| BMSR_100HALF
| BMSR_100FULL
|
4416 case MII_PHYSID1
: /* PHYS ID 1 */
4417 rc
= (dev
->dev_addr
[0] << 16) | (dev
->dev_addr
[1] << 8) |
4419 rc
= (rc
>> 5) & 0xFFFF;
4421 case MII_PHYSID2
: /* PHYS ID 2 */
4422 rc
= (dev
->dev_addr
[2] << 10) & 0xFFFF;
4424 case MII_ADVERTISE
: /* Advertisement control reg */
4427 case MII_LPA
: /* Link partner ability reg */
4428 rc
= LPA_10HALF
| LPA_10FULL
| LPA_100HALF
| LPA_100FULL
|
4429 LPA_100BASE4
| LPA_LPACK
;
4431 case MII_EXPANSION
: /* Expansion register */
4433 case MII_DCOUNTER
: /* disconnect counter */
4435 case MII_FCSCOUNTER
: /* false carrier counter */
4437 case MII_NWAYTEST
: /* N-way auto-neg test register */
4439 case MII_RERRCOUNTER
: /* rx error counter */
4440 rc
= card
->stats
.rx_errors
;
4442 case MII_SREVISION
: /* silicon revision */
4444 case MII_RESV1
: /* reserved 1 */
4446 case MII_LBRERROR
: /* loopback, rx, bypass error */
4448 case MII_PHYADDR
: /* physical address */
4450 case MII_RESV2
: /* reserved 2 */
4452 case MII_TPISTATUS
: /* TPI status for 10mbps */
4454 case MII_NCONFIG
: /* network interface config */
4461 EXPORT_SYMBOL_GPL(qeth_mdio_read
);
4463 static int qeth_send_ipa_snmp_cmd(struct qeth_card
*card
,
4464 struct qeth_cmd_buffer
*iob
, int len
,
4465 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*,
4471 QETH_CARD_TEXT(card
, 4, "sendsnmp");
4473 memcpy(iob
->data
, IPA_PDU_HEADER
, IPA_PDU_HEADER_SIZE
);
4474 memcpy(QETH_IPA_CMD_DEST_ADDR(iob
->data
),
4475 &card
->token
.ulp_connection_r
, QETH_MPC_TOKEN_LENGTH
);
4476 /* adjust PDU length fields in IPA_PDU_HEADER */
4477 s1
= (u32
) IPA_PDU_HEADER_SIZE
+ len
;
4479 memcpy(QETH_IPA_PDU_LEN_TOTAL(iob
->data
), &s1
, 2);
4480 memcpy(QETH_IPA_PDU_LEN_PDU1(iob
->data
), &s2
, 2);
4481 memcpy(QETH_IPA_PDU_LEN_PDU2(iob
->data
), &s2
, 2);
4482 memcpy(QETH_IPA_PDU_LEN_PDU3(iob
->data
), &s2
, 2);
4483 return qeth_send_control_data(card
, IPA_PDU_HEADER_SIZE
+ len
, iob
,
4484 reply_cb
, reply_param
);
4487 static int qeth_snmp_command_cb(struct qeth_card
*card
,
4488 struct qeth_reply
*reply
, unsigned long sdata
)
4490 struct qeth_ipa_cmd
*cmd
;
4491 struct qeth_arp_query_info
*qinfo
;
4492 struct qeth_snmp_cmd
*snmp
;
4493 unsigned char *data
;
4496 QETH_CARD_TEXT(card
, 3, "snpcmdcb");
4498 cmd
= (struct qeth_ipa_cmd
*) sdata
;
4499 data
= (unsigned char *)((char *)cmd
- reply
->offset
);
4500 qinfo
= (struct qeth_arp_query_info
*) reply
->param
;
4501 snmp
= &cmd
->data
.setadapterparms
.data
.snmp
;
4503 if (cmd
->hdr
.return_code
) {
4504 QETH_CARD_TEXT_(card
, 4, "scer1%x", cmd
->hdr
.return_code
);
4507 if (cmd
->data
.setadapterparms
.hdr
.return_code
) {
4508 cmd
->hdr
.return_code
=
4509 cmd
->data
.setadapterparms
.hdr
.return_code
;
4510 QETH_CARD_TEXT_(card
, 4, "scer2%x", cmd
->hdr
.return_code
);
4513 data_len
= *((__u16
*)QETH_IPA_PDU_LEN_PDU1(data
));
4514 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1)
4515 data_len
-= (__u16
)((char *)&snmp
->data
- (char *)cmd
);
4517 data_len
-= (__u16
)((char *)&snmp
->request
- (char *)cmd
);
4519 /* check if there is enough room in userspace */
4520 if ((qinfo
->udata_len
- qinfo
->udata_offset
) < data_len
) {
4521 QETH_CARD_TEXT_(card
, 4, "scer3%i", -ENOMEM
);
4522 cmd
->hdr
.return_code
= IPA_RC_ENOMEM
;
4525 QETH_CARD_TEXT_(card
, 4, "snore%i",
4526 cmd
->data
.setadapterparms
.hdr
.used_total
);
4527 QETH_CARD_TEXT_(card
, 4, "sseqn%i",
4528 cmd
->data
.setadapterparms
.hdr
.seq_no
);
4529 /*copy entries to user buffer*/
4530 if (cmd
->data
.setadapterparms
.hdr
.seq_no
== 1) {
4531 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
4533 data_len
+ offsetof(struct qeth_snmp_cmd
, data
));
4534 qinfo
->udata_offset
+= offsetof(struct qeth_snmp_cmd
, data
);
4536 memcpy(qinfo
->udata
+ qinfo
->udata_offset
,
4537 (char *)&snmp
->request
, data_len
);
4539 qinfo
->udata_offset
+= data_len
;
4540 /* check if all replies received ... */
4541 QETH_CARD_TEXT_(card
, 4, "srtot%i",
4542 cmd
->data
.setadapterparms
.hdr
.used_total
);
4543 QETH_CARD_TEXT_(card
, 4, "srseq%i",
4544 cmd
->data
.setadapterparms
.hdr
.seq_no
);
4545 if (cmd
->data
.setadapterparms
.hdr
.seq_no
<
4546 cmd
->data
.setadapterparms
.hdr
.used_total
)
4551 int qeth_snmp_command(struct qeth_card
*card
, char __user
*udata
)
4553 struct qeth_cmd_buffer
*iob
;
4554 struct qeth_ipa_cmd
*cmd
;
4555 struct qeth_snmp_ureq
*ureq
;
4556 unsigned int req_len
;
4557 struct qeth_arp_query_info qinfo
= {0, };
4560 QETH_CARD_TEXT(card
, 3, "snmpcmd");
4562 if (card
->info
.guestlan
)
4565 if ((!qeth_adp_supported(card
, IPA_SETADP_SET_SNMP_CONTROL
)) &&
4566 (!card
->options
.layer2
)) {
4569 /* skip 4 bytes (data_len struct member) to get req_len */
4570 if (copy_from_user(&req_len
, udata
+ sizeof(int), sizeof(int)))
4572 if (req_len
> (QETH_BUFSIZE
- IPA_PDU_HEADER_SIZE
-
4573 sizeof(struct qeth_ipacmd_hdr
) -
4574 sizeof(struct qeth_ipacmd_setadpparms_hdr
)))
4576 ureq
= memdup_user(udata
, req_len
+ sizeof(struct qeth_snmp_ureq_hdr
));
4578 QETH_CARD_TEXT(card
, 2, "snmpnome");
4579 return PTR_ERR(ureq
);
4581 qinfo
.udata_len
= ureq
->hdr
.data_len
;
4582 qinfo
.udata
= kzalloc(qinfo
.udata_len
, GFP_KERNEL
);
4587 qinfo
.udata_offset
= sizeof(struct qeth_snmp_ureq_hdr
);
4589 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_SET_SNMP_CONTROL
,
4590 QETH_SNMP_SETADP_CMDLENGTH
+ req_len
);
4591 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4592 memcpy(&cmd
->data
.setadapterparms
.data
.snmp
, &ureq
->cmd
, req_len
);
4593 rc
= qeth_send_ipa_snmp_cmd(card
, iob
, QETH_SETADP_BASE_LEN
+ req_len
,
4594 qeth_snmp_command_cb
, (void *)&qinfo
);
4596 QETH_DBF_MESSAGE(2, "SNMP command failed on %s: (0x%x)\n",
4597 QETH_CARD_IFNAME(card
), rc
);
4599 if (copy_to_user(udata
, qinfo
.udata
, qinfo
.udata_len
))
4607 EXPORT_SYMBOL_GPL(qeth_snmp_command
);
4609 static int qeth_setadpparms_query_oat_cb(struct qeth_card
*card
,
4610 struct qeth_reply
*reply
, unsigned long data
)
4612 struct qeth_ipa_cmd
*cmd
;
4613 struct qeth_qoat_priv
*priv
;
4617 QETH_CARD_TEXT(card
, 3, "qoatcb");
4619 cmd
= (struct qeth_ipa_cmd
*)data
;
4620 priv
= (struct qeth_qoat_priv
*)reply
->param
;
4621 resdatalen
= cmd
->data
.setadapterparms
.hdr
.cmdlength
;
4622 resdata
= (char *)data
+ 28;
4624 if (resdatalen
> (priv
->buffer_len
- priv
->response_len
)) {
4625 cmd
->hdr
.return_code
= IPA_RC_FFFF
;
4629 memcpy((priv
->buffer
+ priv
->response_len
), resdata
,
4631 priv
->response_len
+= resdatalen
;
4633 if (cmd
->data
.setadapterparms
.hdr
.seq_no
<
4634 cmd
->data
.setadapterparms
.hdr
.used_total
)
4639 int qeth_query_oat_command(struct qeth_card
*card
, char __user
*udata
)
4642 struct qeth_cmd_buffer
*iob
;
4643 struct qeth_ipa_cmd
*cmd
;
4644 struct qeth_query_oat
*oat_req
;
4645 struct qeth_query_oat_data oat_data
;
4646 struct qeth_qoat_priv priv
;
4649 QETH_CARD_TEXT(card
, 3, "qoatcmd");
4651 if (!qeth_adp_supported(card
, IPA_SETADP_QUERY_OAT
)) {
4656 if (copy_from_user(&oat_data
, udata
,
4657 sizeof(struct qeth_query_oat_data
))) {
4662 priv
.buffer_len
= oat_data
.buffer_len
;
4663 priv
.response_len
= 0;
4664 priv
.buffer
= kzalloc(oat_data
.buffer_len
, GFP_KERNEL
);
4670 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_QUERY_OAT
,
4671 sizeof(struct qeth_ipacmd_setadpparms_hdr
) +
4672 sizeof(struct qeth_query_oat
));
4673 cmd
= (struct qeth_ipa_cmd
*)(iob
->data
+IPA_PDU_HEADER_SIZE
);
4674 oat_req
= &cmd
->data
.setadapterparms
.data
.query_oat
;
4675 oat_req
->subcmd_code
= oat_data
.command
;
4677 rc
= qeth_send_ipa_cmd(card
, iob
, qeth_setadpparms_query_oat_cb
,
4680 if (is_compat_task())
4681 tmp
= compat_ptr(oat_data
.ptr
);
4683 tmp
= (void __user
*)(unsigned long)oat_data
.ptr
;
4685 if (copy_to_user(tmp
, priv
.buffer
,
4686 priv
.response_len
)) {
4691 oat_data
.response_len
= priv
.response_len
;
4693 if (copy_to_user(udata
, &oat_data
,
4694 sizeof(struct qeth_query_oat_data
)))
4697 if (rc
== IPA_RC_FFFF
)
4705 EXPORT_SYMBOL_GPL(qeth_query_oat_command
);
4707 static int qeth_query_card_info_cb(struct qeth_card
*card
,
4708 struct qeth_reply
*reply
, unsigned long data
)
4710 struct qeth_ipa_cmd
*cmd
;
4711 struct qeth_query_card_info
*card_info
;
4712 struct carrier_info
*carrier_info
;
4714 QETH_CARD_TEXT(card
, 2, "qcrdincb");
4715 carrier_info
= (struct carrier_info
*)reply
->param
;
4716 cmd
= (struct qeth_ipa_cmd
*)data
;
4717 card_info
= &cmd
->data
.setadapterparms
.data
.card_info
;
4718 if (cmd
->data
.setadapterparms
.hdr
.return_code
== 0) {
4719 carrier_info
->card_type
= card_info
->card_type
;
4720 carrier_info
->port_mode
= card_info
->port_mode
;
4721 carrier_info
->port_speed
= card_info
->port_speed
;
4724 qeth_default_setadapterparms_cb(card
, reply
, (unsigned long) cmd
);
4728 static int qeth_query_card_info(struct qeth_card
*card
,
4729 struct carrier_info
*carrier_info
)
4731 struct qeth_cmd_buffer
*iob
;
4733 QETH_CARD_TEXT(card
, 2, "qcrdinfo");
4734 if (!qeth_adp_supported(card
, IPA_SETADP_QUERY_CARD_INFO
))
4736 iob
= qeth_get_adapter_cmd(card
, IPA_SETADP_QUERY_CARD_INFO
,
4737 sizeof(struct qeth_ipacmd_setadpparms_hdr
));
4738 return qeth_send_ipa_cmd(card
, iob
, qeth_query_card_info_cb
,
4739 (void *)carrier_info
);
4742 static inline int qeth_get_qdio_q_format(struct qeth_card
*card
)
4744 switch (card
->info
.type
) {
4745 case QETH_CARD_TYPE_IQD
:
4752 static void qeth_determine_capabilities(struct qeth_card
*card
)
4757 struct ccw_device
*ddev
;
4758 int ddev_offline
= 0;
4760 QETH_DBF_TEXT(SETUP
, 2, "detcapab");
4761 ddev
= CARD_DDEV(card
);
4762 if (!ddev
->online
) {
4764 rc
= ccw_device_set_online(ddev
);
4766 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
4771 rc
= qeth_read_conf_data(card
, (void **) &prcd
, &length
);
4773 QETH_DBF_MESSAGE(2, "%s qeth_read_conf_data returned %i\n",
4774 dev_name(&card
->gdev
->dev
), rc
);
4775 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
4778 qeth_configure_unitaddr(card
, prcd
);
4780 qeth_configure_blkt_default(card
, prcd
);
4783 rc
= qdio_get_ssqd_desc(ddev
, &card
->ssqd
);
4785 QETH_DBF_TEXT_(SETUP
, 2, "6err%d", rc
);
4787 QETH_DBF_TEXT_(SETUP
, 2, "qfmt%d", card
->ssqd
.qfmt
);
4788 QETH_DBF_TEXT_(SETUP
, 2, "%d", card
->ssqd
.qdioac1
);
4789 QETH_DBF_TEXT_(SETUP
, 2, "%d", card
->ssqd
.qdioac3
);
4790 QETH_DBF_TEXT_(SETUP
, 2, "icnt%d", card
->ssqd
.icnt
);
4791 if (!((card
->ssqd
.qfmt
!= QDIO_IQDIO_QFMT
) ||
4792 ((card
->ssqd
.qdioac1
& CHSC_AC1_INITIATE_INPUTQ
) == 0) ||
4793 ((card
->ssqd
.qdioac3
& CHSC_AC3_FORMAT2_CQ_AVAILABLE
) == 0))) {
4794 dev_info(&card
->gdev
->dev
,
4795 "Completion Queueing supported\n");
4797 card
->options
.cq
= QETH_CQ_NOTAVAILABLE
;
4802 if (ddev_offline
== 1)
4803 ccw_device_set_offline(ddev
);
4808 static inline void qeth_qdio_establish_cq(struct qeth_card
*card
,
4809 struct qdio_buffer
**in_sbal_ptrs
,
4810 void (**queue_start_poll
) (struct ccw_device
*, int, unsigned long)) {
4813 if (card
->options
.cq
== QETH_CQ_ENABLED
) {
4814 int offset
= QDIO_MAX_BUFFERS_PER_Q
*
4815 (card
->qdio
.no_in_queues
- 1);
4816 i
= QDIO_MAX_BUFFERS_PER_Q
* (card
->qdio
.no_in_queues
- 1);
4817 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
) {
4818 in_sbal_ptrs
[offset
+ i
] = (struct qdio_buffer
*)
4819 virt_to_phys(card
->qdio
.c_q
->bufs
[i
].buffer
);
4822 queue_start_poll
[card
->qdio
.no_in_queues
- 1] = NULL
;
4826 static int qeth_qdio_establish(struct qeth_card
*card
)
4828 struct qdio_initialize init_data
;
4829 char *qib_param_field
;
4830 struct qdio_buffer
**in_sbal_ptrs
;
4831 void (**queue_start_poll
) (struct ccw_device
*, int, unsigned long);
4832 struct qdio_buffer
**out_sbal_ptrs
;
4836 QETH_DBF_TEXT(SETUP
, 2, "qdioest");
4838 qib_param_field
= kzalloc(QDIO_MAX_BUFFERS_PER_Q
* sizeof(char),
4840 if (!qib_param_field
) {
4842 goto out_free_nothing
;
4845 qeth_create_qib_param_field(card
, qib_param_field
);
4846 qeth_create_qib_param_field_blkt(card
, qib_param_field
);
4848 in_sbal_ptrs
= kzalloc(card
->qdio
.no_in_queues
*
4849 QDIO_MAX_BUFFERS_PER_Q
* sizeof(void *),
4851 if (!in_sbal_ptrs
) {
4853 goto out_free_qib_param
;
4855 for (i
= 0; i
< QDIO_MAX_BUFFERS_PER_Q
; ++i
) {
4856 in_sbal_ptrs
[i
] = (struct qdio_buffer
*)
4857 virt_to_phys(card
->qdio
.in_q
->bufs
[i
].buffer
);
4860 queue_start_poll
= kzalloc(sizeof(void *) * card
->qdio
.no_in_queues
,
4862 if (!queue_start_poll
) {
4864 goto out_free_in_sbals
;
4866 for (i
= 0; i
< card
->qdio
.no_in_queues
; ++i
)
4867 queue_start_poll
[i
] = card
->discipline
->start_poll
;
4869 qeth_qdio_establish_cq(card
, in_sbal_ptrs
, queue_start_poll
);
4872 kzalloc(card
->qdio
.no_out_queues
* QDIO_MAX_BUFFERS_PER_Q
*
4873 sizeof(void *), GFP_KERNEL
);
4874 if (!out_sbal_ptrs
) {
4876 goto out_free_queue_start_poll
;
4878 for (i
= 0, k
= 0; i
< card
->qdio
.no_out_queues
; ++i
)
4879 for (j
= 0; j
< QDIO_MAX_BUFFERS_PER_Q
; ++j
, ++k
) {
4880 out_sbal_ptrs
[k
] = (struct qdio_buffer
*)virt_to_phys(
4881 card
->qdio
.out_qs
[i
]->bufs
[j
]->buffer
);
4884 memset(&init_data
, 0, sizeof(struct qdio_initialize
));
4885 init_data
.cdev
= CARD_DDEV(card
);
4886 init_data
.q_format
= qeth_get_qdio_q_format(card
);
4887 init_data
.qib_param_field_format
= 0;
4888 init_data
.qib_param_field
= qib_param_field
;
4889 init_data
.no_input_qs
= card
->qdio
.no_in_queues
;
4890 init_data
.no_output_qs
= card
->qdio
.no_out_queues
;
4891 init_data
.input_handler
= card
->discipline
->input_handler
;
4892 init_data
.output_handler
= card
->discipline
->output_handler
;
4893 init_data
.queue_start_poll_array
= queue_start_poll
;
4894 init_data
.int_parm
= (unsigned long) card
;
4895 init_data
.input_sbal_addr_array
= (void **) in_sbal_ptrs
;
4896 init_data
.output_sbal_addr_array
= (void **) out_sbal_ptrs
;
4897 init_data
.output_sbal_state_array
= card
->qdio
.out_bufstates
;
4898 init_data
.scan_threshold
=
4899 (card
->info
.type
== QETH_CARD_TYPE_IQD
) ? 1 : 32;
4901 if (atomic_cmpxchg(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
,
4902 QETH_QDIO_ESTABLISHED
) == QETH_QDIO_ALLOCATED
) {
4903 rc
= qdio_allocate(&init_data
);
4905 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
4908 rc
= qdio_establish(&init_data
);
4910 atomic_set(&card
->qdio
.state
, QETH_QDIO_ALLOCATED
);
4911 qdio_free(CARD_DDEV(card
));
4915 switch (card
->options
.cq
) {
4916 case QETH_CQ_ENABLED
:
4917 dev_info(&card
->gdev
->dev
, "Completion Queue support enabled");
4919 case QETH_CQ_DISABLED
:
4920 dev_info(&card
->gdev
->dev
, "Completion Queue support disabled");
4926 kfree(out_sbal_ptrs
);
4927 out_free_queue_start_poll
:
4928 kfree(queue_start_poll
);
4930 kfree(in_sbal_ptrs
);
4932 kfree(qib_param_field
);
4937 static void qeth_core_free_card(struct qeth_card
*card
)
4940 QETH_DBF_TEXT(SETUP
, 2, "freecrd");
4941 QETH_DBF_HEX(SETUP
, 2, &card
, sizeof(void *));
4942 qeth_clean_channel(&card
->read
);
4943 qeth_clean_channel(&card
->write
);
4945 free_netdev(card
->dev
);
4946 kfree(card
->ip_tbd_list
);
4947 qeth_free_qdio_buffers(card
);
4948 unregister_service_level(&card
->qeth_service_level
);
4952 void qeth_trace_features(struct qeth_card
*card
)
4954 QETH_CARD_TEXT(card
, 2, "features");
4955 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.ipa4
.supported_funcs
);
4956 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.ipa4
.enabled_funcs
);
4957 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.ipa6
.supported_funcs
);
4958 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.ipa6
.enabled_funcs
);
4959 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.adp
.supported_funcs
);
4960 QETH_CARD_TEXT_(card
, 2, "%x", card
->options
.adp
.enabled_funcs
);
4961 QETH_CARD_TEXT_(card
, 2, "%x", card
->info
.diagass_support
);
4963 EXPORT_SYMBOL_GPL(qeth_trace_features
);
4965 static struct ccw_device_id qeth_ids
[] = {
4966 {CCW_DEVICE_DEVTYPE(0x1731, 0x01, 0x1732, 0x01),
4967 .driver_info
= QETH_CARD_TYPE_OSD
},
4968 {CCW_DEVICE_DEVTYPE(0x1731, 0x05, 0x1732, 0x05),
4969 .driver_info
= QETH_CARD_TYPE_IQD
},
4970 {CCW_DEVICE_DEVTYPE(0x1731, 0x06, 0x1732, 0x06),
4971 .driver_info
= QETH_CARD_TYPE_OSN
},
4972 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x03),
4973 .driver_info
= QETH_CARD_TYPE_OSM
},
4974 {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x02),
4975 .driver_info
= QETH_CARD_TYPE_OSX
},
4978 MODULE_DEVICE_TABLE(ccw
, qeth_ids
);
4980 static struct ccw_driver qeth_ccw_driver
= {
4982 .owner
= THIS_MODULE
,
4986 .probe
= ccwgroup_probe_ccwdev
,
4987 .remove
= ccwgroup_remove_ccwdev
,
4990 int qeth_core_hardsetup_card(struct qeth_card
*card
)
4995 QETH_DBF_TEXT(SETUP
, 2, "hrdsetup");
4996 atomic_set(&card
->force_alloc_skb
, 0);
4997 qeth_update_from_chp_desc(card
);
5000 QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
5001 dev_name(&card
->gdev
->dev
));
5002 rc
= qeth_qdio_clear_card(card
, card
->info
.type
!= QETH_CARD_TYPE_IQD
);
5003 ccw_device_set_offline(CARD_DDEV(card
));
5004 ccw_device_set_offline(CARD_WDEV(card
));
5005 ccw_device_set_offline(CARD_RDEV(card
));
5006 qdio_free(CARD_DDEV(card
));
5007 rc
= ccw_device_set_online(CARD_RDEV(card
));
5010 rc
= ccw_device_set_online(CARD_WDEV(card
));
5013 rc
= ccw_device_set_online(CARD_DDEV(card
));
5017 if (rc
== -ERESTARTSYS
) {
5018 QETH_DBF_TEXT(SETUP
, 2, "break1");
5021 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", rc
);
5027 qeth_determine_capabilities(card
);
5028 qeth_init_tokens(card
);
5029 qeth_init_func_level(card
);
5030 rc
= qeth_idx_activate_channel(&card
->read
, qeth_idx_read_cb
);
5031 if (rc
== -ERESTARTSYS
) {
5032 QETH_DBF_TEXT(SETUP
, 2, "break2");
5035 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
5041 rc
= qeth_idx_activate_channel(&card
->write
, qeth_idx_write_cb
);
5042 if (rc
== -ERESTARTSYS
) {
5043 QETH_DBF_TEXT(SETUP
, 2, "break3");
5046 QETH_DBF_TEXT_(SETUP
, 2, "4err%d", rc
);
5052 card
->read_or_write_problem
= 0;
5053 rc
= qeth_mpc_initialize(card
);
5055 QETH_DBF_TEXT_(SETUP
, 2, "5err%d", rc
);
5059 card
->options
.ipa4
.supported_funcs
= 0;
5060 card
->options
.adp
.supported_funcs
= 0;
5061 card
->options
.sbp
.supported_funcs
= 0;
5062 card
->info
.diagass_support
= 0;
5063 qeth_query_ipassists(card
, QETH_PROT_IPV4
);
5064 if (qeth_is_supported(card
, IPA_SETADAPTERPARMS
))
5065 qeth_query_setadapterparms(card
);
5066 if (qeth_adp_supported(card
, IPA_SETADP_SET_DIAG_ASSIST
))
5067 qeth_query_setdiagass(card
);
5070 dev_warn(&card
->gdev
->dev
, "The qeth device driver failed to recover "
5071 "an error on the device\n");
5072 QETH_DBF_MESSAGE(2, "%s Initialization in hardsetup failed! rc=%d\n",
5073 dev_name(&card
->gdev
->dev
), rc
);
5076 EXPORT_SYMBOL_GPL(qeth_core_hardsetup_card
);
5078 static inline int qeth_create_skb_frag(struct qeth_qdio_buffer
*qethbuffer
,
5079 struct qdio_buffer_element
*element
,
5080 struct sk_buff
**pskb
, int offset
, int *pfrag
, int data_len
)
5082 struct page
*page
= virt_to_page(element
->addr
);
5083 if (*pskb
== NULL
) {
5084 if (qethbuffer
->rx_skb
) {
5085 /* only if qeth_card.options.cq == QETH_CQ_ENABLED */
5086 *pskb
= qethbuffer
->rx_skb
;
5087 qethbuffer
->rx_skb
= NULL
;
5089 *pskb
= dev_alloc_skb(QETH_RX_PULL_LEN
+ ETH_HLEN
);
5094 skb_reserve(*pskb
, ETH_HLEN
);
5095 if (data_len
<= QETH_RX_PULL_LEN
) {
5096 memcpy(skb_put(*pskb
, data_len
), element
->addr
+ offset
,
5100 memcpy(skb_put(*pskb
, QETH_RX_PULL_LEN
),
5101 element
->addr
+ offset
, QETH_RX_PULL_LEN
);
5102 skb_fill_page_desc(*pskb
, *pfrag
, page
,
5103 offset
+ QETH_RX_PULL_LEN
,
5104 data_len
- QETH_RX_PULL_LEN
);
5105 (*pskb
)->data_len
+= data_len
- QETH_RX_PULL_LEN
;
5106 (*pskb
)->len
+= data_len
- QETH_RX_PULL_LEN
;
5107 (*pskb
)->truesize
+= data_len
- QETH_RX_PULL_LEN
;
5112 skb_fill_page_desc(*pskb
, *pfrag
, page
, offset
, data_len
);
5113 (*pskb
)->data_len
+= data_len
;
5114 (*pskb
)->len
+= data_len
;
5115 (*pskb
)->truesize
+= data_len
;
5123 static inline int qeth_is_last_sbale(struct qdio_buffer_element
*sbale
)
5125 return (sbale
->eflags
& SBAL_EFLAGS_LAST_ENTRY
);
5128 struct sk_buff
*qeth_core_get_next_skb(struct qeth_card
*card
,
5129 struct qeth_qdio_buffer
*qethbuffer
,
5130 struct qdio_buffer_element
**__element
, int *__offset
,
5131 struct qeth_hdr
**hdr
)
5133 struct qdio_buffer_element
*element
= *__element
;
5134 struct qdio_buffer
*buffer
= qethbuffer
->buffer
;
5135 int offset
= *__offset
;
5136 struct sk_buff
*skb
= NULL
;
5144 /* qeth_hdr must not cross element boundaries */
5145 if (element
->length
< offset
+ sizeof(struct qeth_hdr
)) {
5146 if (qeth_is_last_sbale(element
))
5150 if (element
->length
< sizeof(struct qeth_hdr
))
5153 *hdr
= element
->addr
+ offset
;
5155 offset
+= sizeof(struct qeth_hdr
);
5156 switch ((*hdr
)->hdr
.l2
.id
) {
5157 case QETH_HEADER_TYPE_LAYER2
:
5158 skb_len
= (*hdr
)->hdr
.l2
.pkt_length
;
5160 case QETH_HEADER_TYPE_LAYER3
:
5161 skb_len
= (*hdr
)->hdr
.l3
.length
;
5162 headroom
= ETH_HLEN
;
5164 case QETH_HEADER_TYPE_OSN
:
5165 skb_len
= (*hdr
)->hdr
.osn
.pdu_length
;
5166 headroom
= sizeof(struct qeth_hdr
);
5175 if (((skb_len
>= card
->options
.rx_sg_cb
) &&
5176 (!(card
->info
.type
== QETH_CARD_TYPE_OSN
)) &&
5177 (!atomic_read(&card
->force_alloc_skb
))) ||
5178 (card
->options
.cq
== QETH_CQ_ENABLED
)) {
5181 skb
= dev_alloc_skb(skb_len
+ headroom
);
5185 skb_reserve(skb
, headroom
);
5188 data_ptr
= element
->addr
+ offset
;
5190 data_len
= min(skb_len
, (int)(element
->length
- offset
));
5193 if (qeth_create_skb_frag(qethbuffer
, element
,
5194 &skb
, offset
, &frag
, data_len
))
5197 memcpy(skb_put(skb
, data_len
), data_ptr
,
5201 skb_len
-= data_len
;
5203 if (qeth_is_last_sbale(element
)) {
5204 QETH_CARD_TEXT(card
, 4, "unexeob");
5205 QETH_CARD_HEX(card
, 2, buffer
, sizeof(void *));
5206 dev_kfree_skb_any(skb
);
5207 card
->stats
.rx_errors
++;
5212 data_ptr
= element
->addr
;
5217 *__element
= element
;
5219 if (use_rx_sg
&& card
->options
.performance_stats
) {
5220 card
->perf_stats
.sg_skbs_rx
++;
5221 card
->perf_stats
.sg_frags_rx
+= skb_shinfo(skb
)->nr_frags
;
5225 if (net_ratelimit()) {
5226 QETH_CARD_TEXT(card
, 2, "noskbmem");
5228 card
->stats
.rx_dropped
++;
5231 EXPORT_SYMBOL_GPL(qeth_core_get_next_skb
);
5233 static void qeth_unregister_dbf_views(void)
5236 for (x
= 0; x
< QETH_DBF_INFOS
; x
++) {
5237 debug_unregister(qeth_dbf
[x
].id
);
5238 qeth_dbf
[x
].id
= NULL
;
5242 void qeth_dbf_longtext(debug_info_t
*id
, int level
, char *fmt
, ...)
5244 char dbf_txt_buf
[32];
5247 if (!debug_level_enabled(id
, level
))
5249 va_start(args
, fmt
);
5250 vsnprintf(dbf_txt_buf
, sizeof(dbf_txt_buf
), fmt
, args
);
5252 debug_text_event(id
, level
, dbf_txt_buf
);
5254 EXPORT_SYMBOL_GPL(qeth_dbf_longtext
);
5256 static int qeth_register_dbf_views(void)
5261 for (x
= 0; x
< QETH_DBF_INFOS
; x
++) {
5262 /* register the areas */
5263 qeth_dbf
[x
].id
= debug_register(qeth_dbf
[x
].name
,
5267 if (qeth_dbf
[x
].id
== NULL
) {
5268 qeth_unregister_dbf_views();
5272 /* register a view */
5273 ret
= debug_register_view(qeth_dbf
[x
].id
, qeth_dbf
[x
].view
);
5275 qeth_unregister_dbf_views();
5279 /* set a passing level */
5280 debug_set_level(qeth_dbf
[x
].id
, qeth_dbf
[x
].level
);
5286 int qeth_core_load_discipline(struct qeth_card
*card
,
5287 enum qeth_discipline_id discipline
)
5290 mutex_lock(&qeth_mod_mutex
);
5291 switch (discipline
) {
5292 case QETH_DISCIPLINE_LAYER3
:
5293 card
->discipline
= try_then_request_module(
5294 symbol_get(qeth_l3_discipline
), "qeth_l3");
5296 case QETH_DISCIPLINE_LAYER2
:
5297 card
->discipline
= try_then_request_module(
5298 symbol_get(qeth_l2_discipline
), "qeth_l2");
5301 if (!card
->discipline
) {
5302 dev_err(&card
->gdev
->dev
, "There is no kernel module to "
5303 "support discipline %d\n", discipline
);
5306 mutex_unlock(&qeth_mod_mutex
);
5310 void qeth_core_free_discipline(struct qeth_card
*card
)
5312 if (card
->options
.layer2
)
5313 symbol_put(qeth_l2_discipline
);
5315 symbol_put(qeth_l3_discipline
);
5316 card
->discipline
= NULL
;
5319 static const struct device_type qeth_generic_devtype
= {
5320 .name
= "qeth_generic",
5321 .groups
= qeth_generic_attr_groups
,
5323 static const struct device_type qeth_osn_devtype
= {
5325 .groups
= qeth_osn_attr_groups
,
5328 #define DBF_NAME_LEN 20
5330 struct qeth_dbf_entry
{
5331 char dbf_name
[DBF_NAME_LEN
];
5332 debug_info_t
*dbf_info
;
5333 struct list_head dbf_list
;
5336 static LIST_HEAD(qeth_dbf_list
);
5337 static DEFINE_MUTEX(qeth_dbf_list_mutex
);
5339 static debug_info_t
*qeth_get_dbf_entry(char *name
)
5341 struct qeth_dbf_entry
*entry
;
5342 debug_info_t
*rc
= NULL
;
5344 mutex_lock(&qeth_dbf_list_mutex
);
5345 list_for_each_entry(entry
, &qeth_dbf_list
, dbf_list
) {
5346 if (strcmp(entry
->dbf_name
, name
) == 0) {
5347 rc
= entry
->dbf_info
;
5351 mutex_unlock(&qeth_dbf_list_mutex
);
5355 static int qeth_add_dbf_entry(struct qeth_card
*card
, char *name
)
5357 struct qeth_dbf_entry
*new_entry
;
5359 card
->debug
= debug_register(name
, 2, 1, 8);
5361 QETH_DBF_TEXT_(SETUP
, 2, "%s", "qcdbf");
5364 if (debug_register_view(card
->debug
, &debug_hex_ascii_view
))
5366 new_entry
= kzalloc(sizeof(struct qeth_dbf_entry
), GFP_KERNEL
);
5369 strncpy(new_entry
->dbf_name
, name
, DBF_NAME_LEN
);
5370 new_entry
->dbf_info
= card
->debug
;
5371 mutex_lock(&qeth_dbf_list_mutex
);
5372 list_add(&new_entry
->dbf_list
, &qeth_dbf_list
);
5373 mutex_unlock(&qeth_dbf_list_mutex
);
5378 debug_unregister(card
->debug
);
5383 static void qeth_clear_dbf_list(void)
5385 struct qeth_dbf_entry
*entry
, *tmp
;
5387 mutex_lock(&qeth_dbf_list_mutex
);
5388 list_for_each_entry_safe(entry
, tmp
, &qeth_dbf_list
, dbf_list
) {
5389 list_del(&entry
->dbf_list
);
5390 debug_unregister(entry
->dbf_info
);
5393 mutex_unlock(&qeth_dbf_list_mutex
);
5396 static int qeth_core_probe_device(struct ccwgroup_device
*gdev
)
5398 struct qeth_card
*card
;
5401 unsigned long flags
;
5402 char dbf_name
[DBF_NAME_LEN
];
5404 QETH_DBF_TEXT(SETUP
, 2, "probedev");
5407 if (!get_device(dev
))
5410 QETH_DBF_TEXT_(SETUP
, 2, "%s", dev_name(&gdev
->dev
));
5412 card
= qeth_alloc_card();
5414 QETH_DBF_TEXT_(SETUP
, 2, "1err%d", -ENOMEM
);
5419 snprintf(dbf_name
, sizeof(dbf_name
), "qeth_card_%s",
5420 dev_name(&gdev
->dev
));
5421 card
->debug
= qeth_get_dbf_entry(dbf_name
);
5423 rc
= qeth_add_dbf_entry(card
, dbf_name
);
5428 card
->read
.ccwdev
= gdev
->cdev
[0];
5429 card
->write
.ccwdev
= gdev
->cdev
[1];
5430 card
->data
.ccwdev
= gdev
->cdev
[2];
5431 dev_set_drvdata(&gdev
->dev
, card
);
5433 gdev
->cdev
[0]->handler
= qeth_irq
;
5434 gdev
->cdev
[1]->handler
= qeth_irq
;
5435 gdev
->cdev
[2]->handler
= qeth_irq
;
5437 rc
= qeth_determine_card_type(card
);
5439 QETH_DBF_TEXT_(SETUP
, 2, "3err%d", rc
);
5442 rc
= qeth_setup_card(card
);
5444 QETH_DBF_TEXT_(SETUP
, 2, "2err%d", rc
);
5448 if (card
->info
.type
== QETH_CARD_TYPE_OSN
)
5449 gdev
->dev
.type
= &qeth_osn_devtype
;
5451 gdev
->dev
.type
= &qeth_generic_devtype
;
5453 switch (card
->info
.type
) {
5454 case QETH_CARD_TYPE_OSN
:
5455 case QETH_CARD_TYPE_OSM
:
5456 rc
= qeth_core_load_discipline(card
, QETH_DISCIPLINE_LAYER2
);
5459 rc
= card
->discipline
->setup(card
->gdev
);
5462 case QETH_CARD_TYPE_OSD
:
5463 case QETH_CARD_TYPE_OSX
:
5468 write_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
5469 list_add_tail(&card
->list
, &qeth_core_card_list
.list
);
5470 write_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
5472 qeth_determine_capabilities(card
);
5476 qeth_core_free_discipline(card
);
5478 qeth_core_free_card(card
);
5484 static void qeth_core_remove_device(struct ccwgroup_device
*gdev
)
5486 unsigned long flags
;
5487 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5489 QETH_DBF_TEXT(SETUP
, 2, "removedv");
5491 if (card
->discipline
) {
5492 card
->discipline
->remove(gdev
);
5493 qeth_core_free_discipline(card
);
5496 write_lock_irqsave(&qeth_core_card_list
.rwlock
, flags
);
5497 list_del(&card
->list
);
5498 write_unlock_irqrestore(&qeth_core_card_list
.rwlock
, flags
);
5499 qeth_core_free_card(card
);
5500 dev_set_drvdata(&gdev
->dev
, NULL
);
5501 put_device(&gdev
->dev
);
5505 static int qeth_core_set_online(struct ccwgroup_device
*gdev
)
5507 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5511 if (!card
->discipline
) {
5512 if (card
->info
.type
== QETH_CARD_TYPE_IQD
)
5513 def_discipline
= QETH_DISCIPLINE_LAYER3
;
5515 def_discipline
= QETH_DISCIPLINE_LAYER2
;
5516 rc
= qeth_core_load_discipline(card
, def_discipline
);
5519 rc
= card
->discipline
->setup(card
->gdev
);
5523 rc
= card
->discipline
->set_online(gdev
);
5528 static int qeth_core_set_offline(struct ccwgroup_device
*gdev
)
5530 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5531 return card
->discipline
->set_offline(gdev
);
5534 static void qeth_core_shutdown(struct ccwgroup_device
*gdev
)
5536 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5537 if (card
->discipline
&& card
->discipline
->shutdown
)
5538 card
->discipline
->shutdown(gdev
);
5541 static int qeth_core_prepare(struct ccwgroup_device
*gdev
)
5543 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5544 if (card
->discipline
&& card
->discipline
->prepare
)
5545 return card
->discipline
->prepare(gdev
);
5549 static void qeth_core_complete(struct ccwgroup_device
*gdev
)
5551 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5552 if (card
->discipline
&& card
->discipline
->complete
)
5553 card
->discipline
->complete(gdev
);
5556 static int qeth_core_freeze(struct ccwgroup_device
*gdev
)
5558 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5559 if (card
->discipline
&& card
->discipline
->freeze
)
5560 return card
->discipline
->freeze(gdev
);
5564 static int qeth_core_thaw(struct ccwgroup_device
*gdev
)
5566 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5567 if (card
->discipline
&& card
->discipline
->thaw
)
5568 return card
->discipline
->thaw(gdev
);
5572 static int qeth_core_restore(struct ccwgroup_device
*gdev
)
5574 struct qeth_card
*card
= dev_get_drvdata(&gdev
->dev
);
5575 if (card
->discipline
&& card
->discipline
->restore
)
5576 return card
->discipline
->restore(gdev
);
5580 static struct ccwgroup_driver qeth_core_ccwgroup_driver
= {
5582 .owner
= THIS_MODULE
,
5585 .setup
= qeth_core_probe_device
,
5586 .remove
= qeth_core_remove_device
,
5587 .set_online
= qeth_core_set_online
,
5588 .set_offline
= qeth_core_set_offline
,
5589 .shutdown
= qeth_core_shutdown
,
5590 .prepare
= qeth_core_prepare
,
5591 .complete
= qeth_core_complete
,
5592 .freeze
= qeth_core_freeze
,
5593 .thaw
= qeth_core_thaw
,
5594 .restore
= qeth_core_restore
,
5597 static ssize_t
qeth_core_driver_group_store(struct device_driver
*ddrv
,
5598 const char *buf
, size_t count
)
5602 err
= ccwgroup_create_dev(qeth_core_root_dev
,
5603 &qeth_core_ccwgroup_driver
, 3, buf
);
5605 return err
? err
: count
;
5607 static DRIVER_ATTR(group
, 0200, NULL
, qeth_core_driver_group_store
);
5609 static struct attribute
*qeth_drv_attrs
[] = {
5610 &driver_attr_group
.attr
,
5613 static struct attribute_group qeth_drv_attr_group
= {
5614 .attrs
= qeth_drv_attrs
,
5616 static const struct attribute_group
*qeth_drv_attr_groups
[] = {
5617 &qeth_drv_attr_group
,
5622 const char str
[ETH_GSTRING_LEN
];
5623 } qeth_ethtool_stats_keys
[] = {
5628 {"tx skbs no packing"},
5629 {"tx buffers no packing"},
5630 {"tx skbs packing"},
5631 {"tx buffers packing"},
5634 /* 10 */{"rx sg skbs"},
5636 {"rx sg page allocs"},
5637 {"tx large kbytes"},
5639 {"tx pk state ch n->p"},
5640 {"tx pk state ch p->n"},
5641 {"tx pk watermark low"},
5642 {"tx pk watermark high"},
5643 {"queue 0 buffer usage"},
5644 /* 20 */{"queue 1 buffer usage"},
5645 {"queue 2 buffer usage"},
5646 {"queue 3 buffer usage"},
5649 {"rx do_QDIO time"},
5650 {"rx do_QDIO count"},
5651 {"tx handler time"},
5652 {"tx handler count"},
5654 /* 30 */{"tx count"},
5655 {"tx do_QDIO time"},
5656 {"tx do_QDIO count"},
5659 {"cq handler count"},
5663 int qeth_core_get_sset_count(struct net_device
*dev
, int stringset
)
5665 switch (stringset
) {
5667 return (sizeof(qeth_ethtool_stats_keys
) / ETH_GSTRING_LEN
);
5672 EXPORT_SYMBOL_GPL(qeth_core_get_sset_count
);
5674 void qeth_core_get_ethtool_stats(struct net_device
*dev
,
5675 struct ethtool_stats
*stats
, u64
*data
)
5677 struct qeth_card
*card
= dev
->ml_priv
;
5678 data
[0] = card
->stats
.rx_packets
-
5679 card
->perf_stats
.initial_rx_packets
;
5680 data
[1] = card
->perf_stats
.bufs_rec
;
5681 data
[2] = card
->stats
.tx_packets
-
5682 card
->perf_stats
.initial_tx_packets
;
5683 data
[3] = card
->perf_stats
.bufs_sent
;
5684 data
[4] = card
->stats
.tx_packets
- card
->perf_stats
.initial_tx_packets
5685 - card
->perf_stats
.skbs_sent_pack
;
5686 data
[5] = card
->perf_stats
.bufs_sent
- card
->perf_stats
.bufs_sent_pack
;
5687 data
[6] = card
->perf_stats
.skbs_sent_pack
;
5688 data
[7] = card
->perf_stats
.bufs_sent_pack
;
5689 data
[8] = card
->perf_stats
.sg_skbs_sent
;
5690 data
[9] = card
->perf_stats
.sg_frags_sent
;
5691 data
[10] = card
->perf_stats
.sg_skbs_rx
;
5692 data
[11] = card
->perf_stats
.sg_frags_rx
;
5693 data
[12] = card
->perf_stats
.sg_alloc_page_rx
;
5694 data
[13] = (card
->perf_stats
.large_send_bytes
>> 10);
5695 data
[14] = card
->perf_stats
.large_send_cnt
;
5696 data
[15] = card
->perf_stats
.sc_dp_p
;
5697 data
[16] = card
->perf_stats
.sc_p_dp
;
5698 data
[17] = QETH_LOW_WATERMARK_PACK
;
5699 data
[18] = QETH_HIGH_WATERMARK_PACK
;
5700 data
[19] = atomic_read(&card
->qdio
.out_qs
[0]->used_buffers
);
5701 data
[20] = (card
->qdio
.no_out_queues
> 1) ?
5702 atomic_read(&card
->qdio
.out_qs
[1]->used_buffers
) : 0;
5703 data
[21] = (card
->qdio
.no_out_queues
> 2) ?
5704 atomic_read(&card
->qdio
.out_qs
[2]->used_buffers
) : 0;
5705 data
[22] = (card
->qdio
.no_out_queues
> 3) ?
5706 atomic_read(&card
->qdio
.out_qs
[3]->used_buffers
) : 0;
5707 data
[23] = card
->perf_stats
.inbound_time
;
5708 data
[24] = card
->perf_stats
.inbound_cnt
;
5709 data
[25] = card
->perf_stats
.inbound_do_qdio_time
;
5710 data
[26] = card
->perf_stats
.inbound_do_qdio_cnt
;
5711 data
[27] = card
->perf_stats
.outbound_handler_time
;
5712 data
[28] = card
->perf_stats
.outbound_handler_cnt
;
5713 data
[29] = card
->perf_stats
.outbound_time
;
5714 data
[30] = card
->perf_stats
.outbound_cnt
;
5715 data
[31] = card
->perf_stats
.outbound_do_qdio_time
;
5716 data
[32] = card
->perf_stats
.outbound_do_qdio_cnt
;
5717 data
[33] = card
->perf_stats
.tx_csum
;
5718 data
[34] = card
->perf_stats
.tx_lin
;
5719 data
[35] = card
->perf_stats
.cq_cnt
;
5720 data
[36] = card
->perf_stats
.cq_time
;
5722 EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats
);
5724 void qeth_core_get_strings(struct net_device
*dev
, u32 stringset
, u8
*data
)
5726 switch (stringset
) {
5728 memcpy(data
, &qeth_ethtool_stats_keys
,
5729 sizeof(qeth_ethtool_stats_keys
));
5736 EXPORT_SYMBOL_GPL(qeth_core_get_strings
);
5738 void qeth_core_get_drvinfo(struct net_device
*dev
,
5739 struct ethtool_drvinfo
*info
)
5741 struct qeth_card
*card
= dev
->ml_priv
;
5743 strlcpy(info
->driver
, card
->options
.layer2
? "qeth_l2" : "qeth_l3",
5744 sizeof(info
->driver
));
5745 strlcpy(info
->version
, "1.0", sizeof(info
->version
));
5746 strlcpy(info
->fw_version
, card
->info
.mcl_level
,
5747 sizeof(info
->fw_version
));
5748 snprintf(info
->bus_info
, sizeof(info
->bus_info
), "%s/%s/%s",
5749 CARD_RDEV_ID(card
), CARD_WDEV_ID(card
), CARD_DDEV_ID(card
));
5751 EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo
);
5753 /* Helper function to fill 'advertizing' and 'supported' which are the same. */
5754 /* Autoneg and full-duplex are supported and advertized uncondionally. */
5755 /* Always advertize and support all speeds up to specified, and only one */
5756 /* specified port type. */
5757 static void qeth_set_ecmd_adv_sup(struct ethtool_cmd
*ecmd
,
5758 int maxspeed
, int porttype
)
5760 int port_sup
, port_adv
, spd_sup
, spd_adv
;
5764 port_sup
= SUPPORTED_TP
;
5765 port_adv
= ADVERTISED_TP
;
5768 port_sup
= SUPPORTED_FIBRE
;
5769 port_adv
= ADVERTISED_FIBRE
;
5772 port_sup
= SUPPORTED_TP
;
5773 port_adv
= ADVERTISED_TP
;
5777 /* "Fallthrough" case'es ordered from high to low result in setting */
5778 /* flags cumulatively, starting from the specified speed and down to */
5779 /* the lowest possible. */
5784 spd_sup
|= SUPPORTED_10000baseT_Full
;
5785 spd_adv
|= ADVERTISED_10000baseT_Full
;
5787 spd_sup
|= SUPPORTED_1000baseT_Half
| SUPPORTED_1000baseT_Full
;
5788 spd_adv
|= ADVERTISED_1000baseT_Half
|
5789 ADVERTISED_1000baseT_Full
;
5791 spd_sup
|= SUPPORTED_100baseT_Half
| SUPPORTED_100baseT_Full
;
5792 spd_adv
|= ADVERTISED_100baseT_Half
| ADVERTISED_100baseT_Full
;
5794 spd_sup
|= SUPPORTED_10baseT_Half
| SUPPORTED_10baseT_Full
;
5795 spd_adv
|= ADVERTISED_10baseT_Half
| ADVERTISED_10baseT_Full
;
5798 spd_sup
= SUPPORTED_10baseT_Half
| SUPPORTED_10baseT_Full
;
5799 spd_adv
= ADVERTISED_10baseT_Half
| ADVERTISED_10baseT_Full
;
5802 ecmd
->advertising
= ADVERTISED_Autoneg
| port_adv
| spd_adv
;
5803 ecmd
->supported
= SUPPORTED_Autoneg
| port_sup
| spd_sup
;
5806 int qeth_core_ethtool_get_settings(struct net_device
*netdev
,
5807 struct ethtool_cmd
*ecmd
)
5809 struct qeth_card
*card
= netdev
->ml_priv
;
5810 enum qeth_link_types link_type
;
5811 struct carrier_info carrier_info
;
5815 if ((card
->info
.type
== QETH_CARD_TYPE_IQD
) || (card
->info
.guestlan
))
5816 link_type
= QETH_LINK_TYPE_10GBIT_ETH
;
5818 link_type
= card
->info
.link_type
;
5820 ecmd
->transceiver
= XCVR_INTERNAL
;
5821 ecmd
->duplex
= DUPLEX_FULL
;
5822 ecmd
->autoneg
= AUTONEG_ENABLE
;
5824 switch (link_type
) {
5825 case QETH_LINK_TYPE_FAST_ETH
:
5826 case QETH_LINK_TYPE_LANE_ETH100
:
5827 qeth_set_ecmd_adv_sup(ecmd
, SPEED_100
, PORT_TP
);
5829 ecmd
->port
= PORT_TP
;
5832 case QETH_LINK_TYPE_GBIT_ETH
:
5833 case QETH_LINK_TYPE_LANE_ETH1000
:
5834 qeth_set_ecmd_adv_sup(ecmd
, SPEED_1000
, PORT_FIBRE
);
5836 ecmd
->port
= PORT_FIBRE
;
5839 case QETH_LINK_TYPE_10GBIT_ETH
:
5840 qeth_set_ecmd_adv_sup(ecmd
, SPEED_10000
, PORT_FIBRE
);
5841 speed
= SPEED_10000
;
5842 ecmd
->port
= PORT_FIBRE
;
5846 qeth_set_ecmd_adv_sup(ecmd
, SPEED_10
, PORT_TP
);
5848 ecmd
->port
= PORT_TP
;
5850 ethtool_cmd_speed_set(ecmd
, speed
);
5852 /* Check if we can obtain more accurate information. */
5853 /* If QUERY_CARD_INFO command is not supported or fails, */
5854 /* just return the heuristics that was filled above. */
5855 if (!qeth_card_hw_is_reachable(card
))
5857 rc
= qeth_query_card_info(card
, &carrier_info
);
5858 if (rc
== -EOPNOTSUPP
) /* for old hardware, return heuristic */
5860 if (rc
) /* report error from the hardware operation */
5862 /* on success, fill in the information got from the hardware */
5865 "card info: card_type=0x%02x, port_mode=0x%04x, port_speed=0x%08x\n",
5866 carrier_info
.card_type
,
5867 carrier_info
.port_mode
,
5868 carrier_info
.port_speed
);
5870 /* Update attributes for which we've obtained more authoritative */
5871 /* information, leave the rest the way they where filled above. */
5872 switch (carrier_info
.card_type
) {
5873 case CARD_INFO_TYPE_1G_COPPER_A
:
5874 case CARD_INFO_TYPE_1G_COPPER_B
:
5875 qeth_set_ecmd_adv_sup(ecmd
, SPEED_1000
, PORT_TP
);
5876 ecmd
->port
= PORT_TP
;
5878 case CARD_INFO_TYPE_1G_FIBRE_A
:
5879 case CARD_INFO_TYPE_1G_FIBRE_B
:
5880 qeth_set_ecmd_adv_sup(ecmd
, SPEED_1000
, PORT_FIBRE
);
5881 ecmd
->port
= PORT_FIBRE
;
5883 case CARD_INFO_TYPE_10G_FIBRE_A
:
5884 case CARD_INFO_TYPE_10G_FIBRE_B
:
5885 qeth_set_ecmd_adv_sup(ecmd
, SPEED_10000
, PORT_FIBRE
);
5886 ecmd
->port
= PORT_FIBRE
;
5890 switch (carrier_info
.port_mode
) {
5891 case CARD_INFO_PORTM_FULLDUPLEX
:
5892 ecmd
->duplex
= DUPLEX_FULL
;
5894 case CARD_INFO_PORTM_HALFDUPLEX
:
5895 ecmd
->duplex
= DUPLEX_HALF
;
5899 switch (carrier_info
.port_speed
) {
5900 case CARD_INFO_PORTS_10M
:
5903 case CARD_INFO_PORTS_100M
:
5906 case CARD_INFO_PORTS_1G
:
5909 case CARD_INFO_PORTS_10G
:
5910 speed
= SPEED_10000
;
5913 ethtool_cmd_speed_set(ecmd
, speed
);
5917 EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings
);
5919 static int __init
qeth_core_init(void)
5923 pr_info("loading core functions\n");
5924 INIT_LIST_HEAD(&qeth_core_card_list
.list
);
5925 INIT_LIST_HEAD(&qeth_dbf_list
);
5926 rwlock_init(&qeth_core_card_list
.rwlock
);
5927 mutex_init(&qeth_mod_mutex
);
5929 qeth_wq
= create_singlethread_workqueue("qeth_wq");
5931 rc
= qeth_register_dbf_views();
5934 qeth_core_root_dev
= root_device_register("qeth");
5935 rc
= PTR_ERR_OR_ZERO(qeth_core_root_dev
);
5938 qeth_core_header_cache
= kmem_cache_create("qeth_hdr",
5939 sizeof(struct qeth_hdr
) + ETH_HLEN
, 64, 0, NULL
);
5940 if (!qeth_core_header_cache
) {
5944 qeth_qdio_outbuf_cache
= kmem_cache_create("qeth_buf",
5945 sizeof(struct qeth_qdio_out_buffer
), 0, 0, NULL
);
5946 if (!qeth_qdio_outbuf_cache
) {
5950 rc
= ccw_driver_register(&qeth_ccw_driver
);
5953 qeth_core_ccwgroup_driver
.driver
.groups
= qeth_drv_attr_groups
;
5954 rc
= ccwgroup_driver_register(&qeth_core_ccwgroup_driver
);
5961 ccw_driver_unregister(&qeth_ccw_driver
);
5963 kmem_cache_destroy(qeth_qdio_outbuf_cache
);
5965 kmem_cache_destroy(qeth_core_header_cache
);
5967 root_device_unregister(qeth_core_root_dev
);
5969 qeth_unregister_dbf_views();
5971 pr_err("Initializing the qeth device driver failed\n");
5975 static void __exit
qeth_core_exit(void)
5977 qeth_clear_dbf_list();
5978 destroy_workqueue(qeth_wq
);
5979 ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver
);
5980 ccw_driver_unregister(&qeth_ccw_driver
);
5981 kmem_cache_destroy(qeth_qdio_outbuf_cache
);
5982 kmem_cache_destroy(qeth_core_header_cache
);
5983 root_device_unregister(qeth_core_root_dev
);
5984 qeth_unregister_dbf_views();
5985 pr_info("core functions removed\n");
5988 module_init(qeth_core_init
);
5989 module_exit(qeth_core_exit
);
5990 MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
5991 MODULE_DESCRIPTION("qeth core functions");
5992 MODULE_LICENSE("GPL");