Commit | Line | Data |
---|---|---|
4a71df50 FB |
1 | /* |
2 | * drivers/s390/net/qeth_core_main.c | |
3 | * | |
bbcfcdc8 | 4 | * Copyright IBM Corp. 2007, 2009 |
4a71df50 FB |
5 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, |
6 | * Frank Pavlic <fpavlic@de.ibm.com>, | |
7 | * Thomas Spatzier <tspat@de.ibm.com>, | |
8 | * Frank Blaschka <frank.blaschka@de.ibm.com> | |
9 | */ | |
10 | ||
74eacdb9 FB |
11 | #define KMSG_COMPONENT "qeth" |
12 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt | |
13 | ||
4a71df50 FB |
14 | #include <linux/module.h> |
15 | #include <linux/moduleparam.h> | |
16 | #include <linux/string.h> | |
17 | #include <linux/errno.h> | |
18 | #include <linux/kernel.h> | |
19 | #include <linux/ip.h> | |
4a71df50 FB |
20 | #include <linux/tcp.h> |
21 | #include <linux/mii.h> | |
22 | #include <linux/kthread.h> | |
5a0e3ad6 | 23 | #include <linux/slab.h> |
b3332930 | 24 | #include <net/iucv/af_iucv.h> |
4a71df50 | 25 | |
ab4227cb MS |
26 | #include <asm/ebcdic.h> |
27 | #include <asm/io.h> | |
1da74b1c | 28 | #include <asm/sysinfo.h> |
c3ab96f3 | 29 | #include <asm/compat.h> |
4a71df50 FB |
30 | |
31 | #include "qeth_core.h" | |
4a71df50 | 32 | |
d11ba0c4 PT |
33 | struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS] = { |
34 | /* define dbf - Name, Pages, Areas, Maxlen, Level, View, Handle */ | |
35 | /* N P A M L V H */ | |
36 | [QETH_DBF_SETUP] = {"qeth_setup", | |
37 | 8, 1, 8, 5, &debug_hex_ascii_view, NULL}, | |
d11ba0c4 PT |
38 | [QETH_DBF_MSG] = {"qeth_msg", |
39 | 8, 1, 128, 3, &debug_sprintf_view, NULL}, | |
d11ba0c4 PT |
40 | [QETH_DBF_CTRL] = {"qeth_control", |
41 | 8, 1, QETH_DBF_CTRL_LEN, 5, &debug_hex_ascii_view, NULL}, | |
42 | }; | |
43 | EXPORT_SYMBOL_GPL(qeth_dbf); | |
4a71df50 FB |
44 | |
45 | struct qeth_card_list_struct qeth_core_card_list; | |
46 | EXPORT_SYMBOL_GPL(qeth_core_card_list); | |
683d718a FB |
47 | struct kmem_cache *qeth_core_header_cache; |
48 | EXPORT_SYMBOL_GPL(qeth_core_header_cache); | |
0da9581d | 49 | static struct kmem_cache *qeth_qdio_outbuf_cache; |
4a71df50 FB |
50 | |
51 | static struct device *qeth_core_root_dev; | |
5113fec0 | 52 | static unsigned int known_devices[][6] = QETH_MODELLIST_ARRAY; |
4a71df50 | 53 | static struct lock_class_key qdio_out_skb_queue_key; |
2022e00c | 54 | static struct mutex qeth_mod_mutex; |
4a71df50 FB |
55 | |
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 *); | |
0da9581d | 63 | static void qeth_free_qdio_buffers(struct qeth_card *); |
b3332930 FB |
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); | |
0da9581d EL |
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); | |
72861ae7 | 71 | static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int); |
4a71df50 | 72 | |
4a71df50 FB |
73 | static inline const char *qeth_get_cardname(struct qeth_card *card) |
74 | { | |
75 | if (card->info.guestlan) { | |
76 | switch (card->info.type) { | |
5113fec0 | 77 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
78 | return " Guest LAN QDIO"; |
79 | case QETH_CARD_TYPE_IQD: | |
80 | return " Guest LAN Hiper"; | |
5113fec0 UB |
81 | case QETH_CARD_TYPE_OSM: |
82 | return " Guest LAN QDIO - OSM"; | |
83 | case QETH_CARD_TYPE_OSX: | |
84 | return " Guest LAN QDIO - OSX"; | |
4a71df50 FB |
85 | default: |
86 | return " unknown"; | |
87 | } | |
88 | } else { | |
89 | switch (card->info.type) { | |
5113fec0 | 90 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
91 | return " OSD Express"; |
92 | case QETH_CARD_TYPE_IQD: | |
93 | return " HiperSockets"; | |
94 | case QETH_CARD_TYPE_OSN: | |
95 | return " OSN QDIO"; | |
5113fec0 UB |
96 | case QETH_CARD_TYPE_OSM: |
97 | return " OSM QDIO"; | |
98 | case QETH_CARD_TYPE_OSX: | |
99 | return " OSX QDIO"; | |
4a71df50 FB |
100 | default: |
101 | return " unknown"; | |
102 | } | |
103 | } | |
104 | return " n/a"; | |
105 | } | |
106 | ||
107 | /* max length to be returned: 14 */ | |
108 | const char *qeth_get_cardname_short(struct qeth_card *card) | |
109 | { | |
110 | if (card->info.guestlan) { | |
111 | switch (card->info.type) { | |
5113fec0 | 112 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
113 | return "GuestLAN QDIO"; |
114 | case QETH_CARD_TYPE_IQD: | |
115 | return "GuestLAN Hiper"; | |
5113fec0 UB |
116 | case QETH_CARD_TYPE_OSM: |
117 | return "GuestLAN OSM"; | |
118 | case QETH_CARD_TYPE_OSX: | |
119 | return "GuestLAN OSX"; | |
4a71df50 FB |
120 | default: |
121 | return "unknown"; | |
122 | } | |
123 | } else { | |
124 | switch (card->info.type) { | |
5113fec0 | 125 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
126 | switch (card->info.link_type) { |
127 | case QETH_LINK_TYPE_FAST_ETH: | |
128 | return "OSD_100"; | |
129 | case QETH_LINK_TYPE_HSTR: | |
130 | return "HSTR"; | |
131 | case QETH_LINK_TYPE_GBIT_ETH: | |
132 | return "OSD_1000"; | |
133 | case QETH_LINK_TYPE_10GBIT_ETH: | |
134 | return "OSD_10GIG"; | |
135 | case QETH_LINK_TYPE_LANE_ETH100: | |
136 | return "OSD_FE_LANE"; | |
137 | case QETH_LINK_TYPE_LANE_TR: | |
138 | return "OSD_TR_LANE"; | |
139 | case QETH_LINK_TYPE_LANE_ETH1000: | |
140 | return "OSD_GbE_LANE"; | |
141 | case QETH_LINK_TYPE_LANE: | |
142 | return "OSD_ATM_LANE"; | |
143 | default: | |
144 | return "OSD_Express"; | |
145 | } | |
146 | case QETH_CARD_TYPE_IQD: | |
147 | return "HiperSockets"; | |
148 | case QETH_CARD_TYPE_OSN: | |
149 | return "OSN"; | |
5113fec0 UB |
150 | case QETH_CARD_TYPE_OSM: |
151 | return "OSM_1000"; | |
152 | case QETH_CARD_TYPE_OSX: | |
153 | return "OSX_10GIG"; | |
4a71df50 FB |
154 | default: |
155 | return "unknown"; | |
156 | } | |
157 | } | |
158 | return "n/a"; | |
159 | } | |
160 | ||
161 | void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads, | |
162 | int clear_start_mask) | |
163 | { | |
164 | unsigned long flags; | |
165 | ||
166 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
167 | card->thread_allowed_mask = threads; | |
168 | if (clear_start_mask) | |
169 | card->thread_start_mask &= threads; | |
170 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
171 | wake_up(&card->wait_q); | |
172 | } | |
173 | EXPORT_SYMBOL_GPL(qeth_set_allowed_threads); | |
174 | ||
175 | int qeth_threads_running(struct qeth_card *card, unsigned long threads) | |
176 | { | |
177 | unsigned long flags; | |
178 | int rc = 0; | |
179 | ||
180 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
181 | rc = (card->thread_running_mask & threads); | |
182 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
183 | return rc; | |
184 | } | |
185 | EXPORT_SYMBOL_GPL(qeth_threads_running); | |
186 | ||
187 | int qeth_wait_for_threads(struct qeth_card *card, unsigned long threads) | |
188 | { | |
189 | return wait_event_interruptible(card->wait_q, | |
190 | qeth_threads_running(card, threads) == 0); | |
191 | } | |
192 | EXPORT_SYMBOL_GPL(qeth_wait_for_threads); | |
193 | ||
194 | void qeth_clear_working_pool_list(struct qeth_card *card) | |
195 | { | |
196 | struct qeth_buffer_pool_entry *pool_entry, *tmp; | |
197 | ||
847a50fd | 198 | QETH_CARD_TEXT(card, 5, "clwrklst"); |
4a71df50 FB |
199 | list_for_each_entry_safe(pool_entry, tmp, |
200 | &card->qdio.in_buf_pool.entry_list, list){ | |
201 | list_del(&pool_entry->list); | |
202 | } | |
203 | } | |
204 | EXPORT_SYMBOL_GPL(qeth_clear_working_pool_list); | |
205 | ||
206 | static int qeth_alloc_buffer_pool(struct qeth_card *card) | |
207 | { | |
208 | struct qeth_buffer_pool_entry *pool_entry; | |
209 | void *ptr; | |
210 | int i, j; | |
211 | ||
847a50fd | 212 | QETH_CARD_TEXT(card, 5, "alocpool"); |
4a71df50 | 213 | for (i = 0; i < card->qdio.init_pool.buf_count; ++i) { |
b3332930 | 214 | pool_entry = kzalloc(sizeof(*pool_entry), GFP_KERNEL); |
4a71df50 FB |
215 | if (!pool_entry) { |
216 | qeth_free_buffer_pool(card); | |
217 | return -ENOMEM; | |
218 | } | |
219 | for (j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j) { | |
508b3c4f | 220 | ptr = (void *) __get_free_page(GFP_KERNEL); |
4a71df50 FB |
221 | if (!ptr) { |
222 | while (j > 0) | |
223 | free_page((unsigned long) | |
224 | pool_entry->elements[--j]); | |
225 | kfree(pool_entry); | |
226 | qeth_free_buffer_pool(card); | |
227 | return -ENOMEM; | |
228 | } | |
229 | pool_entry->elements[j] = ptr; | |
230 | } | |
231 | list_add(&pool_entry->init_list, | |
232 | &card->qdio.init_pool.entry_list); | |
233 | } | |
234 | return 0; | |
235 | } | |
236 | ||
237 | int qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt) | |
238 | { | |
847a50fd | 239 | QETH_CARD_TEXT(card, 2, "realcbp"); |
4a71df50 FB |
240 | |
241 | if ((card->state != CARD_STATE_DOWN) && | |
242 | (card->state != CARD_STATE_RECOVER)) | |
243 | return -EPERM; | |
244 | ||
245 | /* TODO: steel/add buffers from/to a running card's buffer pool (?) */ | |
246 | qeth_clear_working_pool_list(card); | |
247 | qeth_free_buffer_pool(card); | |
248 | card->qdio.in_buf_pool.buf_count = bufcnt; | |
249 | card->qdio.init_pool.buf_count = bufcnt; | |
250 | return qeth_alloc_buffer_pool(card); | |
251 | } | |
76b11f8e | 252 | EXPORT_SYMBOL_GPL(qeth_realloc_buffer_pool); |
4a71df50 | 253 | |
0da9581d EL |
254 | static inline int qeth_cq_init(struct qeth_card *card) |
255 | { | |
256 | int rc; | |
257 | ||
258 | if (card->options.cq == QETH_CQ_ENABLED) { | |
259 | QETH_DBF_TEXT(SETUP, 2, "cqinit"); | |
260 | memset(card->qdio.c_q->qdio_bufs, 0, | |
261 | QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); | |
262 | card->qdio.c_q->next_buf_to_init = 127; | |
263 | rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, | |
264 | card->qdio.no_in_queues - 1, 0, | |
265 | 127); | |
266 | if (rc) { | |
267 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); | |
268 | goto out; | |
269 | } | |
270 | } | |
271 | rc = 0; | |
272 | out: | |
273 | return rc; | |
274 | } | |
275 | ||
276 | static inline int qeth_alloc_cq(struct qeth_card *card) | |
277 | { | |
278 | int rc; | |
279 | ||
280 | if (card->options.cq == QETH_CQ_ENABLED) { | |
281 | int i; | |
282 | struct qdio_outbuf_state *outbuf_states; | |
283 | ||
284 | QETH_DBF_TEXT(SETUP, 2, "cqon"); | |
285 | card->qdio.c_q = kzalloc(sizeof(struct qeth_qdio_q), | |
286 | GFP_KERNEL); | |
287 | if (!card->qdio.c_q) { | |
288 | rc = -1; | |
289 | goto kmsg_out; | |
290 | } | |
291 | QETH_DBF_HEX(SETUP, 2, &card->qdio.c_q, sizeof(void *)); | |
292 | ||
293 | for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) { | |
294 | card->qdio.c_q->bufs[i].buffer = | |
295 | &card->qdio.c_q->qdio_bufs[i]; | |
296 | } | |
297 | ||
298 | card->qdio.no_in_queues = 2; | |
299 | ||
300 | card->qdio.out_bufstates = (struct qdio_outbuf_state *) | |
301 | kzalloc(card->qdio.no_out_queues * | |
302 | QDIO_MAX_BUFFERS_PER_Q * | |
303 | sizeof(struct qdio_outbuf_state), GFP_KERNEL); | |
304 | outbuf_states = card->qdio.out_bufstates; | |
305 | if (outbuf_states == NULL) { | |
306 | rc = -1; | |
307 | goto free_cq_out; | |
308 | } | |
309 | for (i = 0; i < card->qdio.no_out_queues; ++i) { | |
310 | card->qdio.out_qs[i]->bufstates = outbuf_states; | |
311 | outbuf_states += QDIO_MAX_BUFFERS_PER_Q; | |
312 | } | |
313 | } else { | |
314 | QETH_DBF_TEXT(SETUP, 2, "nocq"); | |
315 | card->qdio.c_q = NULL; | |
316 | card->qdio.no_in_queues = 1; | |
317 | } | |
318 | QETH_DBF_TEXT_(SETUP, 2, "iqc%d", card->qdio.no_in_queues); | |
319 | rc = 0; | |
320 | out: | |
321 | return rc; | |
322 | free_cq_out: | |
323 | kfree(card->qdio.c_q); | |
324 | card->qdio.c_q = NULL; | |
325 | kmsg_out: | |
326 | dev_err(&card->gdev->dev, "Failed to create completion queue\n"); | |
327 | goto out; | |
328 | } | |
329 | ||
330 | static inline void qeth_free_cq(struct qeth_card *card) | |
331 | { | |
332 | if (card->qdio.c_q) { | |
333 | --card->qdio.no_in_queues; | |
334 | kfree(card->qdio.c_q); | |
335 | card->qdio.c_q = NULL; | |
336 | } | |
337 | kfree(card->qdio.out_bufstates); | |
338 | card->qdio.out_bufstates = NULL; | |
339 | } | |
340 | ||
b3332930 FB |
341 | static inline enum iucv_tx_notify qeth_compute_cq_notification(int sbalf15, |
342 | int delayed) { | |
343 | enum iucv_tx_notify n; | |
344 | ||
345 | switch (sbalf15) { | |
346 | case 0: | |
347 | n = delayed ? TX_NOTIFY_DELAYED_OK : TX_NOTIFY_OK; | |
348 | break; | |
349 | case 4: | |
350 | case 16: | |
351 | case 17: | |
352 | case 18: | |
353 | n = delayed ? TX_NOTIFY_DELAYED_UNREACHABLE : | |
354 | TX_NOTIFY_UNREACHABLE; | |
355 | break; | |
356 | default: | |
357 | n = delayed ? TX_NOTIFY_DELAYED_GENERALERROR : | |
358 | TX_NOTIFY_GENERALERROR; | |
359 | break; | |
360 | } | |
361 | ||
362 | return n; | |
363 | } | |
364 | ||
0da9581d EL |
365 | static inline void qeth_cleanup_handled_pending(struct qeth_qdio_out_q *q, |
366 | int bidx, int forced_cleanup) | |
367 | { | |
72861ae7 EL |
368 | if (q->card->options.cq != QETH_CQ_ENABLED) |
369 | return; | |
370 | ||
0da9581d EL |
371 | if (q->bufs[bidx]->next_pending != NULL) { |
372 | struct qeth_qdio_out_buffer *head = q->bufs[bidx]; | |
373 | struct qeth_qdio_out_buffer *c = q->bufs[bidx]->next_pending; | |
374 | ||
375 | while (c) { | |
376 | if (forced_cleanup || | |
377 | atomic_read(&c->state) == | |
378 | QETH_QDIO_BUF_HANDLED_DELAYED) { | |
379 | struct qeth_qdio_out_buffer *f = c; | |
380 | QETH_CARD_TEXT(f->q->card, 5, "fp"); | |
381 | QETH_CARD_TEXT_(f->q->card, 5, "%lx", (long) f); | |
b3332930 FB |
382 | /* release here to avoid interleaving between |
383 | outbound tasklet and inbound tasklet | |
384 | regarding notifications and lifecycle */ | |
385 | qeth_release_skbs(c); | |
386 | ||
0da9581d EL |
387 | c = f->next_pending; |
388 | BUG_ON(head->next_pending != f); | |
389 | head->next_pending = c; | |
390 | kmem_cache_free(qeth_qdio_outbuf_cache, f); | |
391 | } else { | |
392 | head = c; | |
393 | c = c->next_pending; | |
394 | } | |
395 | ||
396 | } | |
397 | } | |
72861ae7 EL |
398 | if (forced_cleanup && (atomic_read(&(q->bufs[bidx]->state)) == |
399 | QETH_QDIO_BUF_HANDLED_DELAYED)) { | |
400 | /* for recovery situations */ | |
401 | q->bufs[bidx]->aob = q->bufstates[bidx].aob; | |
402 | qeth_init_qdio_out_buf(q, bidx); | |
403 | QETH_CARD_TEXT(q->card, 2, "clprecov"); | |
404 | } | |
0da9581d EL |
405 | } |
406 | ||
407 | ||
408 | static inline void qeth_qdio_handle_aob(struct qeth_card *card, | |
409 | unsigned long phys_aob_addr) { | |
410 | struct qaob *aob; | |
411 | struct qeth_qdio_out_buffer *buffer; | |
b3332930 | 412 | enum iucv_tx_notify notification; |
0da9581d EL |
413 | |
414 | aob = (struct qaob *) phys_to_virt(phys_aob_addr); | |
415 | QETH_CARD_TEXT(card, 5, "haob"); | |
416 | QETH_CARD_TEXT_(card, 5, "%lx", phys_aob_addr); | |
417 | buffer = (struct qeth_qdio_out_buffer *) aob->user1; | |
418 | QETH_CARD_TEXT_(card, 5, "%lx", aob->user1); | |
419 | ||
420 | BUG_ON(buffer == NULL); | |
421 | ||
b3332930 FB |
422 | if (atomic_cmpxchg(&buffer->state, QETH_QDIO_BUF_PRIMED, |
423 | QETH_QDIO_BUF_IN_CQ) == QETH_QDIO_BUF_PRIMED) { | |
424 | notification = TX_NOTIFY_OK; | |
425 | } else { | |
426 | BUG_ON(atomic_read(&buffer->state) != QETH_QDIO_BUF_PENDING); | |
b3332930 FB |
427 | atomic_set(&buffer->state, QETH_QDIO_BUF_IN_CQ); |
428 | notification = TX_NOTIFY_DELAYED_OK; | |
429 | } | |
430 | ||
431 | if (aob->aorc != 0) { | |
432 | QETH_CARD_TEXT_(card, 2, "aorc%02X", aob->aorc); | |
433 | notification = qeth_compute_cq_notification(aob->aorc, 1); | |
434 | } | |
435 | qeth_notify_skbs(buffer->q, buffer, notification); | |
436 | ||
0da9581d EL |
437 | buffer->aob = NULL; |
438 | qeth_clear_output_buffer(buffer->q, buffer, | |
72861ae7 EL |
439 | QETH_QDIO_BUF_HANDLED_DELAYED); |
440 | ||
0da9581d EL |
441 | /* from here on: do not touch buffer anymore */ |
442 | qdio_release_aob(aob); | |
443 | } | |
444 | ||
445 | static inline int qeth_is_cq(struct qeth_card *card, unsigned int queue) | |
446 | { | |
447 | return card->options.cq == QETH_CQ_ENABLED && | |
448 | card->qdio.c_q != NULL && | |
449 | queue != 0 && | |
450 | queue == card->qdio.no_in_queues - 1; | |
451 | } | |
452 | ||
453 | ||
4a71df50 FB |
454 | static int qeth_issue_next_read(struct qeth_card *card) |
455 | { | |
456 | int rc; | |
457 | struct qeth_cmd_buffer *iob; | |
458 | ||
847a50fd | 459 | QETH_CARD_TEXT(card, 5, "issnxrd"); |
4a71df50 FB |
460 | if (card->read.state != CH_STATE_UP) |
461 | return -EIO; | |
462 | iob = qeth_get_buffer(&card->read); | |
463 | if (!iob) { | |
74eacdb9 FB |
464 | dev_warn(&card->gdev->dev, "The qeth device driver " |
465 | "failed to recover an error on the device\n"); | |
466 | QETH_DBF_MESSAGE(2, "%s issue_next_read failed: no iob " | |
467 | "available\n", dev_name(&card->gdev->dev)); | |
4a71df50 FB |
468 | return -ENOMEM; |
469 | } | |
470 | qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE); | |
847a50fd | 471 | QETH_CARD_TEXT(card, 6, "noirqpnd"); |
4a71df50 FB |
472 | rc = ccw_device_start(card->read.ccwdev, &card->read.ccw, |
473 | (addr_t) iob, 0, 0); | |
474 | if (rc) { | |
74eacdb9 FB |
475 | QETH_DBF_MESSAGE(2, "%s error in starting next read ccw! " |
476 | "rc=%i\n", dev_name(&card->gdev->dev), rc); | |
4a71df50 | 477 | atomic_set(&card->read.irq_pending, 0); |
908abbb5 | 478 | card->read_or_write_problem = 1; |
4a71df50 FB |
479 | qeth_schedule_recovery(card); |
480 | wake_up(&card->wait_q); | |
481 | } | |
482 | return rc; | |
483 | } | |
484 | ||
485 | static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card) | |
486 | { | |
487 | struct qeth_reply *reply; | |
488 | ||
489 | reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC); | |
490 | if (reply) { | |
491 | atomic_set(&reply->refcnt, 1); | |
492 | atomic_set(&reply->received, 0); | |
493 | reply->card = card; | |
494 | }; | |
495 | return reply; | |
496 | } | |
497 | ||
498 | static void qeth_get_reply(struct qeth_reply *reply) | |
499 | { | |
500 | WARN_ON(atomic_read(&reply->refcnt) <= 0); | |
501 | atomic_inc(&reply->refcnt); | |
502 | } | |
503 | ||
504 | static void qeth_put_reply(struct qeth_reply *reply) | |
505 | { | |
506 | WARN_ON(atomic_read(&reply->refcnt) <= 0); | |
507 | if (atomic_dec_and_test(&reply->refcnt)) | |
508 | kfree(reply); | |
509 | } | |
510 | ||
d11ba0c4 | 511 | static void qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, int rc, |
4a71df50 FB |
512 | struct qeth_card *card) |
513 | { | |
4a71df50 | 514 | char *ipa_name; |
d11ba0c4 | 515 | int com = cmd->hdr.command; |
4a71df50 | 516 | ipa_name = qeth_get_ipa_cmd_name(com); |
d11ba0c4 | 517 | if (rc) |
70919e23 UB |
518 | QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s/%s returned " |
519 | "x%X \"%s\"\n", | |
520 | ipa_name, com, dev_name(&card->gdev->dev), | |
521 | QETH_CARD_IFNAME(card), rc, | |
522 | qeth_get_ipa_msg(rc)); | |
d11ba0c4 | 523 | else |
70919e23 UB |
524 | QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s/%s succeeded\n", |
525 | ipa_name, com, dev_name(&card->gdev->dev), | |
526 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
527 | } |
528 | ||
529 | static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card, | |
530 | struct qeth_cmd_buffer *iob) | |
531 | { | |
532 | struct qeth_ipa_cmd *cmd = NULL; | |
533 | ||
847a50fd | 534 | QETH_CARD_TEXT(card, 5, "chkipad"); |
4a71df50 FB |
535 | if (IS_IPA(iob->data)) { |
536 | cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data); | |
537 | if (IS_IPA_REPLY(cmd)) { | |
76b11f8e UB |
538 | if (cmd->hdr.command != IPA_CMD_SETCCID && |
539 | cmd->hdr.command != IPA_CMD_DELCCID && | |
540 | cmd->hdr.command != IPA_CMD_MODCCID && | |
541 | cmd->hdr.command != IPA_CMD_SET_DIAG_ASS) | |
d11ba0c4 PT |
542 | qeth_issue_ipa_msg(cmd, |
543 | cmd->hdr.return_code, card); | |
4a71df50 FB |
544 | return cmd; |
545 | } else { | |
546 | switch (cmd->hdr.command) { | |
547 | case IPA_CMD_STOPLAN: | |
74eacdb9 FB |
548 | dev_warn(&card->gdev->dev, |
549 | "The link for interface %s on CHPID" | |
550 | " 0x%X failed\n", | |
4a71df50 FB |
551 | QETH_CARD_IFNAME(card), |
552 | card->info.chpid); | |
553 | card->lan_online = 0; | |
554 | if (card->dev && netif_carrier_ok(card->dev)) | |
555 | netif_carrier_off(card->dev); | |
556 | return NULL; | |
557 | case IPA_CMD_STARTLAN: | |
74eacdb9 FB |
558 | dev_info(&card->gdev->dev, |
559 | "The link for %s on CHPID 0x%X has" | |
560 | " been restored\n", | |
4a71df50 FB |
561 | QETH_CARD_IFNAME(card), |
562 | card->info.chpid); | |
563 | netif_carrier_on(card->dev); | |
922dc062 | 564 | card->lan_online = 1; |
1da74b1c FB |
565 | if (card->info.hwtrap) |
566 | card->info.hwtrap = 2; | |
4a71df50 FB |
567 | qeth_schedule_recovery(card); |
568 | return NULL; | |
569 | case IPA_CMD_MODCCID: | |
570 | return cmd; | |
571 | case IPA_CMD_REGISTER_LOCAL_ADDR: | |
847a50fd | 572 | QETH_CARD_TEXT(card, 3, "irla"); |
4a71df50 FB |
573 | break; |
574 | case IPA_CMD_UNREGISTER_LOCAL_ADDR: | |
847a50fd | 575 | QETH_CARD_TEXT(card, 3, "urla"); |
4a71df50 FB |
576 | break; |
577 | default: | |
c4cef07c | 578 | QETH_DBF_MESSAGE(2, "Received data is IPA " |
4a71df50 FB |
579 | "but not a reply!\n"); |
580 | break; | |
581 | } | |
582 | } | |
583 | } | |
584 | return cmd; | |
585 | } | |
586 | ||
587 | void qeth_clear_ipacmd_list(struct qeth_card *card) | |
588 | { | |
589 | struct qeth_reply *reply, *r; | |
590 | unsigned long flags; | |
591 | ||
847a50fd | 592 | QETH_CARD_TEXT(card, 4, "clipalst"); |
4a71df50 FB |
593 | |
594 | spin_lock_irqsave(&card->lock, flags); | |
595 | list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { | |
596 | qeth_get_reply(reply); | |
597 | reply->rc = -EIO; | |
598 | atomic_inc(&reply->received); | |
599 | list_del_init(&reply->list); | |
600 | wake_up(&reply->wait_q); | |
601 | qeth_put_reply(reply); | |
602 | } | |
603 | spin_unlock_irqrestore(&card->lock, flags); | |
908abbb5 | 604 | atomic_set(&card->write.irq_pending, 0); |
4a71df50 FB |
605 | } |
606 | EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list); | |
607 | ||
5113fec0 UB |
608 | static int qeth_check_idx_response(struct qeth_card *card, |
609 | unsigned char *buffer) | |
4a71df50 FB |
610 | { |
611 | if (!buffer) | |
612 | return 0; | |
613 | ||
d11ba0c4 | 614 | QETH_DBF_HEX(CTRL, 2, buffer, QETH_DBF_CTRL_LEN); |
4a71df50 | 615 | if ((buffer[2] & 0xc0) == 0xc0) { |
74eacdb9 | 616 | QETH_DBF_MESSAGE(2, "received an IDX TERMINATE " |
4a71df50 FB |
617 | "with cause code 0x%02x%s\n", |
618 | buffer[4], | |
619 | ((buffer[4] == 0x22) ? | |
620 | " -- try another portname" : "")); | |
847a50fd CO |
621 | QETH_CARD_TEXT(card, 2, "ckidxres"); |
622 | QETH_CARD_TEXT(card, 2, " idxterm"); | |
623 | QETH_CARD_TEXT_(card, 2, " rc%d", -EIO); | |
5113fec0 UB |
624 | if (buffer[4] == 0xf6) { |
625 | dev_err(&card->gdev->dev, | |
626 | "The qeth device is not configured " | |
627 | "for the OSI layer required by z/VM\n"); | |
628 | return -EPERM; | |
629 | } | |
4a71df50 FB |
630 | return -EIO; |
631 | } | |
632 | return 0; | |
633 | } | |
634 | ||
635 | static void qeth_setup_ccw(struct qeth_channel *channel, unsigned char *iob, | |
636 | __u32 len) | |
637 | { | |
638 | struct qeth_card *card; | |
639 | ||
4a71df50 | 640 | card = CARD_FROM_CDEV(channel->ccwdev); |
847a50fd | 641 | QETH_CARD_TEXT(card, 4, "setupccw"); |
4a71df50 FB |
642 | if (channel == &card->read) |
643 | memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); | |
644 | else | |
645 | memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); | |
646 | channel->ccw.count = len; | |
647 | channel->ccw.cda = (__u32) __pa(iob); | |
648 | } | |
649 | ||
650 | static struct qeth_cmd_buffer *__qeth_get_buffer(struct qeth_channel *channel) | |
651 | { | |
652 | __u8 index; | |
653 | ||
847a50fd | 654 | QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "getbuff"); |
4a71df50 FB |
655 | index = channel->io_buf_no; |
656 | do { | |
657 | if (channel->iob[index].state == BUF_STATE_FREE) { | |
658 | channel->iob[index].state = BUF_STATE_LOCKED; | |
659 | channel->io_buf_no = (channel->io_buf_no + 1) % | |
660 | QETH_CMD_BUFFER_NO; | |
661 | memset(channel->iob[index].data, 0, QETH_BUFSIZE); | |
662 | return channel->iob + index; | |
663 | } | |
664 | index = (index + 1) % QETH_CMD_BUFFER_NO; | |
665 | } while (index != channel->io_buf_no); | |
666 | ||
667 | return NULL; | |
668 | } | |
669 | ||
670 | void qeth_release_buffer(struct qeth_channel *channel, | |
671 | struct qeth_cmd_buffer *iob) | |
672 | { | |
673 | unsigned long flags; | |
674 | ||
847a50fd | 675 | QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "relbuff"); |
4a71df50 FB |
676 | spin_lock_irqsave(&channel->iob_lock, flags); |
677 | memset(iob->data, 0, QETH_BUFSIZE); | |
678 | iob->state = BUF_STATE_FREE; | |
679 | iob->callback = qeth_send_control_data_cb; | |
680 | iob->rc = 0; | |
681 | spin_unlock_irqrestore(&channel->iob_lock, flags); | |
039055b9 | 682 | wake_up(&channel->wait_q); |
4a71df50 FB |
683 | } |
684 | EXPORT_SYMBOL_GPL(qeth_release_buffer); | |
685 | ||
686 | static struct qeth_cmd_buffer *qeth_get_buffer(struct qeth_channel *channel) | |
687 | { | |
688 | struct qeth_cmd_buffer *buffer = NULL; | |
689 | unsigned long flags; | |
690 | ||
691 | spin_lock_irqsave(&channel->iob_lock, flags); | |
692 | buffer = __qeth_get_buffer(channel); | |
693 | spin_unlock_irqrestore(&channel->iob_lock, flags); | |
694 | return buffer; | |
695 | } | |
696 | ||
697 | struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *channel) | |
698 | { | |
699 | struct qeth_cmd_buffer *buffer; | |
700 | wait_event(channel->wait_q, | |
701 | ((buffer = qeth_get_buffer(channel)) != NULL)); | |
702 | return buffer; | |
703 | } | |
704 | EXPORT_SYMBOL_GPL(qeth_wait_for_buffer); | |
705 | ||
706 | void qeth_clear_cmd_buffers(struct qeth_channel *channel) | |
707 | { | |
708 | int cnt; | |
709 | ||
710 | for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) | |
711 | qeth_release_buffer(channel, &channel->iob[cnt]); | |
712 | channel->buf_no = 0; | |
713 | channel->io_buf_no = 0; | |
714 | } | |
715 | EXPORT_SYMBOL_GPL(qeth_clear_cmd_buffers); | |
716 | ||
717 | static void qeth_send_control_data_cb(struct qeth_channel *channel, | |
718 | struct qeth_cmd_buffer *iob) | |
719 | { | |
720 | struct qeth_card *card; | |
721 | struct qeth_reply *reply, *r; | |
722 | struct qeth_ipa_cmd *cmd; | |
723 | unsigned long flags; | |
724 | int keep_reply; | |
5113fec0 | 725 | int rc = 0; |
4a71df50 | 726 | |
4a71df50 | 727 | card = CARD_FROM_CDEV(channel->ccwdev); |
847a50fd | 728 | QETH_CARD_TEXT(card, 4, "sndctlcb"); |
5113fec0 UB |
729 | rc = qeth_check_idx_response(card, iob->data); |
730 | switch (rc) { | |
731 | case 0: | |
732 | break; | |
733 | case -EIO: | |
4a71df50 | 734 | qeth_clear_ipacmd_list(card); |
5113fec0 | 735 | qeth_schedule_recovery(card); |
01fc3e86 | 736 | /* fall through */ |
5113fec0 | 737 | default: |
4a71df50 FB |
738 | goto out; |
739 | } | |
740 | ||
741 | cmd = qeth_check_ipa_data(card, iob); | |
742 | if ((cmd == NULL) && (card->state != CARD_STATE_DOWN)) | |
743 | goto out; | |
744 | /*in case of OSN : check if cmd is set */ | |
745 | if (card->info.type == QETH_CARD_TYPE_OSN && | |
746 | cmd && | |
747 | cmd->hdr.command != IPA_CMD_STARTLAN && | |
748 | card->osn_info.assist_cb != NULL) { | |
749 | card->osn_info.assist_cb(card->dev, cmd); | |
750 | goto out; | |
751 | } | |
752 | ||
753 | spin_lock_irqsave(&card->lock, flags); | |
754 | list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { | |
755 | if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) || | |
756 | ((cmd) && (reply->seqno == cmd->hdr.seqno))) { | |
757 | qeth_get_reply(reply); | |
758 | list_del_init(&reply->list); | |
759 | spin_unlock_irqrestore(&card->lock, flags); | |
760 | keep_reply = 0; | |
761 | if (reply->callback != NULL) { | |
762 | if (cmd) { | |
763 | reply->offset = (__u16)((char *)cmd - | |
764 | (char *)iob->data); | |
765 | keep_reply = reply->callback(card, | |
766 | reply, | |
767 | (unsigned long)cmd); | |
768 | } else | |
769 | keep_reply = reply->callback(card, | |
770 | reply, | |
771 | (unsigned long)iob); | |
772 | } | |
773 | if (cmd) | |
774 | reply->rc = (u16) cmd->hdr.return_code; | |
775 | else if (iob->rc) | |
776 | reply->rc = iob->rc; | |
777 | if (keep_reply) { | |
778 | spin_lock_irqsave(&card->lock, flags); | |
779 | list_add_tail(&reply->list, | |
780 | &card->cmd_waiter_list); | |
781 | spin_unlock_irqrestore(&card->lock, flags); | |
782 | } else { | |
783 | atomic_inc(&reply->received); | |
784 | wake_up(&reply->wait_q); | |
785 | } | |
786 | qeth_put_reply(reply); | |
787 | goto out; | |
788 | } | |
789 | } | |
790 | spin_unlock_irqrestore(&card->lock, flags); | |
791 | out: | |
792 | memcpy(&card->seqno.pdu_hdr_ack, | |
793 | QETH_PDU_HEADER_SEQ_NO(iob->data), | |
794 | QETH_SEQ_NO_LENGTH); | |
795 | qeth_release_buffer(channel, iob); | |
796 | } | |
797 | ||
798 | static int qeth_setup_channel(struct qeth_channel *channel) | |
799 | { | |
800 | int cnt; | |
801 | ||
d11ba0c4 | 802 | QETH_DBF_TEXT(SETUP, 2, "setupch"); |
4a71df50 | 803 | for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) { |
ae57b20a | 804 | channel->iob[cnt].data = |
b3332930 | 805 | kzalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL); |
4a71df50 FB |
806 | if (channel->iob[cnt].data == NULL) |
807 | break; | |
808 | channel->iob[cnt].state = BUF_STATE_FREE; | |
809 | channel->iob[cnt].channel = channel; | |
810 | channel->iob[cnt].callback = qeth_send_control_data_cb; | |
811 | channel->iob[cnt].rc = 0; | |
812 | } | |
813 | if (cnt < QETH_CMD_BUFFER_NO) { | |
814 | while (cnt-- > 0) | |
815 | kfree(channel->iob[cnt].data); | |
816 | return -ENOMEM; | |
817 | } | |
818 | channel->buf_no = 0; | |
819 | channel->io_buf_no = 0; | |
820 | atomic_set(&channel->irq_pending, 0); | |
821 | spin_lock_init(&channel->iob_lock); | |
822 | ||
823 | init_waitqueue_head(&channel->wait_q); | |
824 | return 0; | |
825 | } | |
826 | ||
827 | static int qeth_set_thread_start_bit(struct qeth_card *card, | |
828 | unsigned long thread) | |
829 | { | |
830 | unsigned long flags; | |
831 | ||
832 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
833 | if (!(card->thread_allowed_mask & thread) || | |
834 | (card->thread_start_mask & thread)) { | |
835 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
836 | return -EPERM; | |
837 | } | |
838 | card->thread_start_mask |= thread; | |
839 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
840 | return 0; | |
841 | } | |
842 | ||
843 | void qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread) | |
844 | { | |
845 | unsigned long flags; | |
846 | ||
847 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
848 | card->thread_start_mask &= ~thread; | |
849 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
850 | wake_up(&card->wait_q); | |
851 | } | |
852 | EXPORT_SYMBOL_GPL(qeth_clear_thread_start_bit); | |
853 | ||
854 | void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread) | |
855 | { | |
856 | unsigned long flags; | |
857 | ||
858 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
859 | card->thread_running_mask &= ~thread; | |
860 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
861 | wake_up(&card->wait_q); | |
862 | } | |
863 | EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit); | |
864 | ||
865 | static int __qeth_do_run_thread(struct qeth_card *card, unsigned long thread) | |
866 | { | |
867 | unsigned long flags; | |
868 | int rc = 0; | |
869 | ||
870 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
871 | if (card->thread_start_mask & thread) { | |
872 | if ((card->thread_allowed_mask & thread) && | |
873 | !(card->thread_running_mask & thread)) { | |
874 | rc = 1; | |
875 | card->thread_start_mask &= ~thread; | |
876 | card->thread_running_mask |= thread; | |
877 | } else | |
878 | rc = -EPERM; | |
879 | } | |
880 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
881 | return rc; | |
882 | } | |
883 | ||
884 | int qeth_do_run_thread(struct qeth_card *card, unsigned long thread) | |
885 | { | |
886 | int rc = 0; | |
887 | ||
888 | wait_event(card->wait_q, | |
889 | (rc = __qeth_do_run_thread(card, thread)) >= 0); | |
890 | return rc; | |
891 | } | |
892 | EXPORT_SYMBOL_GPL(qeth_do_run_thread); | |
893 | ||
894 | void qeth_schedule_recovery(struct qeth_card *card) | |
895 | { | |
847a50fd | 896 | QETH_CARD_TEXT(card, 2, "startrec"); |
4a71df50 FB |
897 | if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0) |
898 | schedule_work(&card->kernel_thread_starter); | |
899 | } | |
900 | EXPORT_SYMBOL_GPL(qeth_schedule_recovery); | |
901 | ||
902 | static int qeth_get_problem(struct ccw_device *cdev, struct irb *irb) | |
903 | { | |
904 | int dstat, cstat; | |
905 | char *sense; | |
847a50fd | 906 | struct qeth_card *card; |
4a71df50 FB |
907 | |
908 | sense = (char *) irb->ecw; | |
23d805b6 PO |
909 | cstat = irb->scsw.cmd.cstat; |
910 | dstat = irb->scsw.cmd.dstat; | |
847a50fd | 911 | card = CARD_FROM_CDEV(cdev); |
4a71df50 FB |
912 | |
913 | if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK | | |
914 | SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK | | |
915 | SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) { | |
847a50fd | 916 | QETH_CARD_TEXT(card, 2, "CGENCHK"); |
74eacdb9 FB |
917 | dev_warn(&cdev->dev, "The qeth device driver " |
918 | "failed to recover an error on the device\n"); | |
5113fec0 | 919 | QETH_DBF_MESSAGE(2, "%s check on device dstat=x%x, cstat=x%x\n", |
74eacdb9 | 920 | dev_name(&cdev->dev), dstat, cstat); |
4a71df50 FB |
921 | print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET, |
922 | 16, 1, irb, 64, 1); | |
923 | return 1; | |
924 | } | |
925 | ||
926 | if (dstat & DEV_STAT_UNIT_CHECK) { | |
927 | if (sense[SENSE_RESETTING_EVENT_BYTE] & | |
928 | SENSE_RESETTING_EVENT_FLAG) { | |
847a50fd | 929 | QETH_CARD_TEXT(card, 2, "REVIND"); |
4a71df50 FB |
930 | return 1; |
931 | } | |
932 | if (sense[SENSE_COMMAND_REJECT_BYTE] & | |
933 | SENSE_COMMAND_REJECT_FLAG) { | |
847a50fd | 934 | QETH_CARD_TEXT(card, 2, "CMDREJi"); |
28a7e4c9 | 935 | return 1; |
4a71df50 FB |
936 | } |
937 | if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) { | |
847a50fd | 938 | QETH_CARD_TEXT(card, 2, "AFFE"); |
4a71df50 FB |
939 | return 1; |
940 | } | |
941 | if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) { | |
847a50fd | 942 | QETH_CARD_TEXT(card, 2, "ZEROSEN"); |
4a71df50 FB |
943 | return 0; |
944 | } | |
847a50fd | 945 | QETH_CARD_TEXT(card, 2, "DGENCHK"); |
4a71df50 FB |
946 | return 1; |
947 | } | |
948 | return 0; | |
949 | } | |
950 | ||
951 | static long __qeth_check_irb_error(struct ccw_device *cdev, | |
952 | unsigned long intparm, struct irb *irb) | |
953 | { | |
847a50fd CO |
954 | struct qeth_card *card; |
955 | ||
956 | card = CARD_FROM_CDEV(cdev); | |
957 | ||
4a71df50 FB |
958 | if (!IS_ERR(irb)) |
959 | return 0; | |
960 | ||
961 | switch (PTR_ERR(irb)) { | |
962 | case -EIO: | |
74eacdb9 FB |
963 | QETH_DBF_MESSAGE(2, "%s i/o-error on device\n", |
964 | dev_name(&cdev->dev)); | |
847a50fd CO |
965 | QETH_CARD_TEXT(card, 2, "ckirberr"); |
966 | QETH_CARD_TEXT_(card, 2, " rc%d", -EIO); | |
4a71df50 FB |
967 | break; |
968 | case -ETIMEDOUT: | |
74eacdb9 FB |
969 | dev_warn(&cdev->dev, "A hardware operation timed out" |
970 | " on the device\n"); | |
847a50fd CO |
971 | QETH_CARD_TEXT(card, 2, "ckirberr"); |
972 | QETH_CARD_TEXT_(card, 2, " rc%d", -ETIMEDOUT); | |
4a71df50 | 973 | if (intparm == QETH_RCD_PARM) { |
4a71df50 FB |
974 | if (card && (card->data.ccwdev == cdev)) { |
975 | card->data.state = CH_STATE_DOWN; | |
976 | wake_up(&card->wait_q); | |
977 | } | |
978 | } | |
979 | break; | |
980 | default: | |
74eacdb9 FB |
981 | QETH_DBF_MESSAGE(2, "%s unknown error %ld on device\n", |
982 | dev_name(&cdev->dev), PTR_ERR(irb)); | |
847a50fd CO |
983 | QETH_CARD_TEXT(card, 2, "ckirberr"); |
984 | QETH_CARD_TEXT(card, 2, " rc???"); | |
4a71df50 FB |
985 | } |
986 | return PTR_ERR(irb); | |
987 | } | |
988 | ||
989 | static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, | |
990 | struct irb *irb) | |
991 | { | |
992 | int rc; | |
993 | int cstat, dstat; | |
994 | struct qeth_cmd_buffer *buffer; | |
995 | struct qeth_channel *channel; | |
996 | struct qeth_card *card; | |
997 | struct qeth_cmd_buffer *iob; | |
998 | __u8 index; | |
999 | ||
4a71df50 FB |
1000 | if (__qeth_check_irb_error(cdev, intparm, irb)) |
1001 | return; | |
23d805b6 PO |
1002 | cstat = irb->scsw.cmd.cstat; |
1003 | dstat = irb->scsw.cmd.dstat; | |
4a71df50 FB |
1004 | |
1005 | card = CARD_FROM_CDEV(cdev); | |
1006 | if (!card) | |
1007 | return; | |
1008 | ||
847a50fd CO |
1009 | QETH_CARD_TEXT(card, 5, "irq"); |
1010 | ||
4a71df50 FB |
1011 | if (card->read.ccwdev == cdev) { |
1012 | channel = &card->read; | |
847a50fd | 1013 | QETH_CARD_TEXT(card, 5, "read"); |
4a71df50 FB |
1014 | } else if (card->write.ccwdev == cdev) { |
1015 | channel = &card->write; | |
847a50fd | 1016 | QETH_CARD_TEXT(card, 5, "write"); |
4a71df50 FB |
1017 | } else { |
1018 | channel = &card->data; | |
847a50fd | 1019 | QETH_CARD_TEXT(card, 5, "data"); |
4a71df50 FB |
1020 | } |
1021 | atomic_set(&channel->irq_pending, 0); | |
1022 | ||
23d805b6 | 1023 | if (irb->scsw.cmd.fctl & (SCSW_FCTL_CLEAR_FUNC)) |
4a71df50 FB |
1024 | channel->state = CH_STATE_STOPPED; |
1025 | ||
23d805b6 | 1026 | if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC)) |
4a71df50 FB |
1027 | channel->state = CH_STATE_HALTED; |
1028 | ||
1029 | /*let's wake up immediately on data channel*/ | |
1030 | if ((channel == &card->data) && (intparm != 0) && | |
1031 | (intparm != QETH_RCD_PARM)) | |
1032 | goto out; | |
1033 | ||
1034 | if (intparm == QETH_CLEAR_CHANNEL_PARM) { | |
847a50fd | 1035 | QETH_CARD_TEXT(card, 6, "clrchpar"); |
4a71df50 FB |
1036 | /* we don't have to handle this further */ |
1037 | intparm = 0; | |
1038 | } | |
1039 | if (intparm == QETH_HALT_CHANNEL_PARM) { | |
847a50fd | 1040 | QETH_CARD_TEXT(card, 6, "hltchpar"); |
4a71df50 FB |
1041 | /* we don't have to handle this further */ |
1042 | intparm = 0; | |
1043 | } | |
1044 | if ((dstat & DEV_STAT_UNIT_EXCEP) || | |
1045 | (dstat & DEV_STAT_UNIT_CHECK) || | |
1046 | (cstat)) { | |
1047 | if (irb->esw.esw0.erw.cons) { | |
74eacdb9 FB |
1048 | dev_warn(&channel->ccwdev->dev, |
1049 | "The qeth device driver failed to recover " | |
1050 | "an error on the device\n"); | |
1051 | QETH_DBF_MESSAGE(2, "%s sense data available. cstat " | |
1052 | "0x%X dstat 0x%X\n", | |
1053 | dev_name(&channel->ccwdev->dev), cstat, dstat); | |
4a71df50 FB |
1054 | print_hex_dump(KERN_WARNING, "qeth: irb ", |
1055 | DUMP_PREFIX_OFFSET, 16, 1, irb, 32, 1); | |
1056 | print_hex_dump(KERN_WARNING, "qeth: sense data ", | |
1057 | DUMP_PREFIX_OFFSET, 16, 1, irb->ecw, 32, 1); | |
1058 | } | |
1059 | if (intparm == QETH_RCD_PARM) { | |
1060 | channel->state = CH_STATE_DOWN; | |
1061 | goto out; | |
1062 | } | |
1063 | rc = qeth_get_problem(cdev, irb); | |
1064 | if (rc) { | |
28a7e4c9 | 1065 | qeth_clear_ipacmd_list(card); |
4a71df50 FB |
1066 | qeth_schedule_recovery(card); |
1067 | goto out; | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | if (intparm == QETH_RCD_PARM) { | |
1072 | channel->state = CH_STATE_RCD_DONE; | |
1073 | goto out; | |
1074 | } | |
1075 | if (intparm) { | |
1076 | buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm); | |
1077 | buffer->state = BUF_STATE_PROCESSED; | |
1078 | } | |
1079 | if (channel == &card->data) | |
1080 | return; | |
1081 | if (channel == &card->read && | |
1082 | channel->state == CH_STATE_UP) | |
1083 | qeth_issue_next_read(card); | |
1084 | ||
1085 | iob = channel->iob; | |
1086 | index = channel->buf_no; | |
1087 | while (iob[index].state == BUF_STATE_PROCESSED) { | |
1088 | if (iob[index].callback != NULL) | |
1089 | iob[index].callback(channel, iob + index); | |
1090 | ||
1091 | index = (index + 1) % QETH_CMD_BUFFER_NO; | |
1092 | } | |
1093 | channel->buf_no = index; | |
1094 | out: | |
1095 | wake_up(&card->wait_q); | |
1096 | return; | |
1097 | } | |
1098 | ||
b3332930 | 1099 | static void qeth_notify_skbs(struct qeth_qdio_out_q *q, |
0da9581d | 1100 | struct qeth_qdio_out_buffer *buf, |
b3332930 | 1101 | enum iucv_tx_notify notification) |
4a71df50 | 1102 | { |
4a71df50 FB |
1103 | struct sk_buff *skb; |
1104 | ||
b3332930 FB |
1105 | if (skb_queue_empty(&buf->skb_list)) |
1106 | goto out; | |
1107 | skb = skb_peek(&buf->skb_list); | |
1108 | while (skb) { | |
1109 | QETH_CARD_TEXT_(q->card, 5, "skbn%d", notification); | |
1110 | QETH_CARD_TEXT_(q->card, 5, "%lx", (long) skb); | |
1111 | if (skb->protocol == ETH_P_AF_IUCV) { | |
1112 | if (skb->sk) { | |
1113 | struct iucv_sock *iucv = iucv_sk(skb->sk); | |
1114 | iucv->sk_txnotify(skb, notification); | |
1115 | } | |
1116 | } | |
1117 | if (skb_queue_is_last(&buf->skb_list, skb)) | |
1118 | skb = NULL; | |
1119 | else | |
1120 | skb = skb_queue_next(&buf->skb_list, skb); | |
1121 | } | |
1122 | out: | |
1123 | return; | |
1124 | } | |
1125 | ||
1126 | static void qeth_release_skbs(struct qeth_qdio_out_buffer *buf) | |
1127 | { | |
1128 | struct sk_buff *skb; | |
72861ae7 EL |
1129 | struct iucv_sock *iucv; |
1130 | int notify_general_error = 0; | |
1131 | ||
1132 | if (atomic_read(&buf->state) == QETH_QDIO_BUF_PENDING) | |
1133 | notify_general_error = 1; | |
1134 | ||
1135 | /* release may never happen from within CQ tasklet scope */ | |
1136 | BUG_ON(atomic_read(&buf->state) == QETH_QDIO_BUF_IN_CQ); | |
4a71df50 | 1137 | |
b67d801f UB |
1138 | skb = skb_dequeue(&buf->skb_list); |
1139 | while (skb) { | |
b3332930 FB |
1140 | QETH_CARD_TEXT(buf->q->card, 5, "skbr"); |
1141 | QETH_CARD_TEXT_(buf->q->card, 5, "%lx", (long) skb); | |
72861ae7 EL |
1142 | if (notify_general_error && skb->protocol == ETH_P_AF_IUCV) { |
1143 | if (skb->sk) { | |
1144 | iucv = iucv_sk(skb->sk); | |
1145 | iucv->sk_txnotify(skb, TX_NOTIFY_GENERALERROR); | |
1146 | } | |
1147 | } | |
b67d801f UB |
1148 | atomic_dec(&skb->users); |
1149 | dev_kfree_skb_any(skb); | |
4a71df50 FB |
1150 | skb = skb_dequeue(&buf->skb_list); |
1151 | } | |
b3332930 FB |
1152 | } |
1153 | ||
1154 | static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, | |
1155 | struct qeth_qdio_out_buffer *buf, | |
1156 | enum qeth_qdio_buffer_states newbufstate) | |
1157 | { | |
1158 | int i; | |
1159 | ||
1160 | /* is PCI flag set on buffer? */ | |
1161 | if (buf->buffer->element[0].sflags & SBAL_SFLAGS0_PCI_REQ) | |
1162 | atomic_dec(&queue->set_pci_flags_count); | |
1163 | ||
1164 | if (newbufstate == QETH_QDIO_BUF_EMPTY) { | |
1165 | qeth_release_skbs(buf); | |
1166 | } | |
4a71df50 | 1167 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) { |
683d718a FB |
1168 | if (buf->buffer->element[i].addr && buf->is_header[i]) |
1169 | kmem_cache_free(qeth_core_header_cache, | |
1170 | buf->buffer->element[i].addr); | |
1171 | buf->is_header[i] = 0; | |
4a71df50 FB |
1172 | buf->buffer->element[i].length = 0; |
1173 | buf->buffer->element[i].addr = NULL; | |
3ec90878 JG |
1174 | buf->buffer->element[i].eflags = 0; |
1175 | buf->buffer->element[i].sflags = 0; | |
4a71df50 | 1176 | } |
3ec90878 JG |
1177 | buf->buffer->element[15].eflags = 0; |
1178 | buf->buffer->element[15].sflags = 0; | |
4a71df50 | 1179 | buf->next_element_to_fill = 0; |
0da9581d EL |
1180 | atomic_set(&buf->state, newbufstate); |
1181 | } | |
1182 | ||
1183 | static void qeth_clear_outq_buffers(struct qeth_qdio_out_q *q, int free) | |
1184 | { | |
1185 | int j; | |
1186 | ||
1187 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) { | |
1188 | if (!q->bufs[j]) | |
1189 | continue; | |
72861ae7 | 1190 | qeth_cleanup_handled_pending(q, j, 1); |
0da9581d EL |
1191 | qeth_clear_output_buffer(q, q->bufs[j], QETH_QDIO_BUF_EMPTY); |
1192 | if (free) { | |
1193 | kmem_cache_free(qeth_qdio_outbuf_cache, q->bufs[j]); | |
1194 | q->bufs[j] = NULL; | |
1195 | } | |
1196 | } | |
4a71df50 FB |
1197 | } |
1198 | ||
1199 | void qeth_clear_qdio_buffers(struct qeth_card *card) | |
1200 | { | |
0da9581d | 1201 | int i; |
4a71df50 | 1202 | |
847a50fd | 1203 | QETH_CARD_TEXT(card, 2, "clearqdbf"); |
4a71df50 | 1204 | /* clear outbound buffers to free skbs */ |
0da9581d | 1205 | for (i = 0; i < card->qdio.no_out_queues; ++i) { |
4a71df50 | 1206 | if (card->qdio.out_qs[i]) { |
0da9581d | 1207 | qeth_clear_outq_buffers(card->qdio.out_qs[i], 0); |
4a71df50 | 1208 | } |
0da9581d | 1209 | } |
4a71df50 FB |
1210 | } |
1211 | EXPORT_SYMBOL_GPL(qeth_clear_qdio_buffers); | |
1212 | ||
1213 | static void qeth_free_buffer_pool(struct qeth_card *card) | |
1214 | { | |
1215 | struct qeth_buffer_pool_entry *pool_entry, *tmp; | |
1216 | int i = 0; | |
4a71df50 FB |
1217 | list_for_each_entry_safe(pool_entry, tmp, |
1218 | &card->qdio.init_pool.entry_list, init_list){ | |
1219 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) | |
1220 | free_page((unsigned long)pool_entry->elements[i]); | |
1221 | list_del(&pool_entry->init_list); | |
1222 | kfree(pool_entry); | |
1223 | } | |
1224 | } | |
1225 | ||
1226 | static void qeth_free_qdio_buffers(struct qeth_card *card) | |
1227 | { | |
b3332930 | 1228 | int i, j; |
4a71df50 | 1229 | |
4a71df50 FB |
1230 | if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) == |
1231 | QETH_QDIO_UNINITIALIZED) | |
1232 | return; | |
0da9581d EL |
1233 | |
1234 | qeth_free_cq(card); | |
b3332930 FB |
1235 | cancel_delayed_work_sync(&card->buffer_reclaim_work); |
1236 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) | |
72861ae7 | 1237 | dev_kfree_skb_any(card->qdio.in_q->bufs[j].rx_skb); |
4a71df50 FB |
1238 | kfree(card->qdio.in_q); |
1239 | card->qdio.in_q = NULL; | |
1240 | /* inbound buffer pool */ | |
1241 | qeth_free_buffer_pool(card); | |
1242 | /* free outbound qdio_qs */ | |
1243 | if (card->qdio.out_qs) { | |
1244 | for (i = 0; i < card->qdio.no_out_queues; ++i) { | |
0da9581d | 1245 | qeth_clear_outq_buffers(card->qdio.out_qs[i], 1); |
4a71df50 FB |
1246 | kfree(card->qdio.out_qs[i]); |
1247 | } | |
1248 | kfree(card->qdio.out_qs); | |
1249 | card->qdio.out_qs = NULL; | |
1250 | } | |
1251 | } | |
1252 | ||
1253 | static void qeth_clean_channel(struct qeth_channel *channel) | |
1254 | { | |
1255 | int cnt; | |
1256 | ||
d11ba0c4 | 1257 | QETH_DBF_TEXT(SETUP, 2, "freech"); |
4a71df50 FB |
1258 | for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) |
1259 | kfree(channel->iob[cnt].data); | |
1260 | } | |
1261 | ||
5113fec0 | 1262 | static void qeth_get_channel_path_desc(struct qeth_card *card) |
4a71df50 | 1263 | { |
4a71df50 FB |
1264 | struct ccw_device *ccwdev; |
1265 | struct channelPath_dsc { | |
1266 | u8 flags; | |
1267 | u8 lsn; | |
1268 | u8 desc; | |
1269 | u8 chpid; | |
1270 | u8 swla; | |
1271 | u8 zeroes; | |
1272 | u8 chla; | |
1273 | u8 chpp; | |
1274 | } *chp_dsc; | |
1275 | ||
5113fec0 | 1276 | QETH_DBF_TEXT(SETUP, 2, "chp_desc"); |
4a71df50 FB |
1277 | |
1278 | ccwdev = card->data.ccwdev; | |
1279 | chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0); | |
1280 | if (chp_dsc != NULL) { | |
99558ea9 UB |
1281 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
1282 | /* CHPP field bit 6 == 1 -> single queue */ | |
1283 | if ((chp_dsc->chpp & 0x02) == 0x02) { | |
1284 | if ((atomic_read(&card->qdio.state) != | |
1285 | QETH_QDIO_UNINITIALIZED) && | |
1286 | (card->qdio.no_out_queues == 4)) | |
1287 | /* change from 4 to 1 outbound queues */ | |
1288 | qeth_free_qdio_buffers(card); | |
1289 | card->qdio.no_out_queues = 1; | |
1290 | if (card->qdio.default_out_queue != 0) | |
1291 | dev_info(&card->gdev->dev, | |
d0ff1f52 | 1292 | "Priority Queueing not supported\n"); |
99558ea9 UB |
1293 | card->qdio.default_out_queue = 0; |
1294 | } else { | |
1295 | if ((atomic_read(&card->qdio.state) != | |
1296 | QETH_QDIO_UNINITIALIZED) && | |
1297 | (card->qdio.no_out_queues == 1)) { | |
1298 | /* change from 1 to 4 outbound queues */ | |
1299 | qeth_free_qdio_buffers(card); | |
1300 | card->qdio.default_out_queue = 2; | |
1301 | } | |
1302 | card->qdio.no_out_queues = 4; | |
d0ff1f52 | 1303 | } |
d0ff1f52 | 1304 | } |
5113fec0 | 1305 | card->info.func_level = 0x4100 + chp_dsc->desc; |
4a71df50 FB |
1306 | kfree(chp_dsc); |
1307 | } | |
5113fec0 UB |
1308 | QETH_DBF_TEXT_(SETUP, 2, "nr:%x", card->qdio.no_out_queues); |
1309 | QETH_DBF_TEXT_(SETUP, 2, "lvl:%02x", card->info.func_level); | |
1310 | return; | |
4a71df50 FB |
1311 | } |
1312 | ||
1313 | static void qeth_init_qdio_info(struct qeth_card *card) | |
1314 | { | |
d11ba0c4 | 1315 | QETH_DBF_TEXT(SETUP, 4, "intqdinf"); |
4a71df50 FB |
1316 | atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED); |
1317 | /* inbound */ | |
1318 | card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; | |
dcf4ae2d FB |
1319 | if (card->info.type == QETH_CARD_TYPE_IQD) |
1320 | card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_HSDEFAULT; | |
1321 | else | |
1322 | card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT; | |
4a71df50 FB |
1323 | card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count; |
1324 | INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list); | |
1325 | INIT_LIST_HEAD(&card->qdio.init_pool.entry_list); | |
1326 | } | |
1327 | ||
1328 | static void qeth_set_intial_options(struct qeth_card *card) | |
1329 | { | |
1330 | card->options.route4.type = NO_ROUTER; | |
1331 | card->options.route6.type = NO_ROUTER; | |
4a71df50 FB |
1332 | card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS; |
1333 | card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL; | |
1334 | card->options.fake_broadcast = 0; | |
1335 | card->options.add_hhlen = DEFAULT_ADD_HHLEN; | |
4a71df50 FB |
1336 | card->options.performance_stats = 0; |
1337 | card->options.rx_sg_cb = QETH_RX_SG_CB; | |
d64ecc22 | 1338 | card->options.isolation = ISOLATION_MODE_NONE; |
0da9581d | 1339 | card->options.cq = QETH_CQ_DISABLED; |
4a71df50 FB |
1340 | } |
1341 | ||
1342 | static int qeth_do_start_thread(struct qeth_card *card, unsigned long thread) | |
1343 | { | |
1344 | unsigned long flags; | |
1345 | int rc = 0; | |
1346 | ||
1347 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
847a50fd | 1348 | QETH_CARD_TEXT_(card, 4, " %02x%02x%02x", |
4a71df50 FB |
1349 | (u8) card->thread_start_mask, |
1350 | (u8) card->thread_allowed_mask, | |
1351 | (u8) card->thread_running_mask); | |
1352 | rc = (card->thread_start_mask & thread); | |
1353 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
1354 | return rc; | |
1355 | } | |
1356 | ||
1357 | static void qeth_start_kernel_thread(struct work_struct *work) | |
1358 | { | |
3f36b890 | 1359 | struct task_struct *ts; |
4a71df50 FB |
1360 | struct qeth_card *card = container_of(work, struct qeth_card, |
1361 | kernel_thread_starter); | |
847a50fd | 1362 | QETH_CARD_TEXT(card , 2, "strthrd"); |
4a71df50 FB |
1363 | |
1364 | if (card->read.state != CH_STATE_UP && | |
1365 | card->write.state != CH_STATE_UP) | |
1366 | return; | |
3f36b890 FB |
1367 | if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) { |
1368 | ts = kthread_run(card->discipline.recover, (void *)card, | |
4a71df50 | 1369 | "qeth_recover"); |
3f36b890 FB |
1370 | if (IS_ERR(ts)) { |
1371 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); | |
1372 | qeth_clear_thread_running_bit(card, | |
1373 | QETH_RECOVER_THREAD); | |
1374 | } | |
1375 | } | |
4a71df50 FB |
1376 | } |
1377 | ||
1378 | static int qeth_setup_card(struct qeth_card *card) | |
1379 | { | |
1380 | ||
d11ba0c4 PT |
1381 | QETH_DBF_TEXT(SETUP, 2, "setupcrd"); |
1382 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
1383 | |
1384 | card->read.state = CH_STATE_DOWN; | |
1385 | card->write.state = CH_STATE_DOWN; | |
1386 | card->data.state = CH_STATE_DOWN; | |
1387 | card->state = CARD_STATE_DOWN; | |
1388 | card->lan_online = 0; | |
908abbb5 | 1389 | card->read_or_write_problem = 0; |
4a71df50 FB |
1390 | card->dev = NULL; |
1391 | spin_lock_init(&card->vlanlock); | |
1392 | spin_lock_init(&card->mclock); | |
4a71df50 FB |
1393 | spin_lock_init(&card->lock); |
1394 | spin_lock_init(&card->ip_lock); | |
1395 | spin_lock_init(&card->thread_mask_lock); | |
c4949f07 | 1396 | mutex_init(&card->conf_mutex); |
9dc48ccc | 1397 | mutex_init(&card->discipline_mutex); |
4a71df50 FB |
1398 | card->thread_start_mask = 0; |
1399 | card->thread_allowed_mask = 0; | |
1400 | card->thread_running_mask = 0; | |
1401 | INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread); | |
1402 | INIT_LIST_HEAD(&card->ip_list); | |
4a71df50 FB |
1403 | INIT_LIST_HEAD(card->ip_tbd_list); |
1404 | INIT_LIST_HEAD(&card->cmd_waiter_list); | |
1405 | init_waitqueue_head(&card->wait_q); | |
25985edc | 1406 | /* initial options */ |
4a71df50 FB |
1407 | qeth_set_intial_options(card); |
1408 | /* IP address takeover */ | |
1409 | INIT_LIST_HEAD(&card->ipato.entries); | |
1410 | card->ipato.enabled = 0; | |
1411 | card->ipato.invert4 = 0; | |
1412 | card->ipato.invert6 = 0; | |
1413 | /* init QDIO stuff */ | |
1414 | qeth_init_qdio_info(card); | |
b3332930 | 1415 | INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work); |
4a71df50 FB |
1416 | return 0; |
1417 | } | |
1418 | ||
6bcac508 MS |
1419 | static void qeth_core_sl_print(struct seq_file *m, struct service_level *slr) |
1420 | { | |
1421 | struct qeth_card *card = container_of(slr, struct qeth_card, | |
1422 | qeth_service_level); | |
0d788c7d KDW |
1423 | if (card->info.mcl_level[0]) |
1424 | seq_printf(m, "qeth: %s firmware level %s\n", | |
1425 | CARD_BUS_ID(card), card->info.mcl_level); | |
6bcac508 MS |
1426 | } |
1427 | ||
4a71df50 FB |
1428 | static struct qeth_card *qeth_alloc_card(void) |
1429 | { | |
1430 | struct qeth_card *card; | |
1431 | ||
d11ba0c4 | 1432 | QETH_DBF_TEXT(SETUP, 2, "alloccrd"); |
4a71df50 FB |
1433 | card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL); |
1434 | if (!card) | |
76b11f8e | 1435 | goto out; |
d11ba0c4 | 1436 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); |
b3332930 | 1437 | card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_KERNEL); |
76b11f8e UB |
1438 | if (!card->ip_tbd_list) { |
1439 | QETH_DBF_TEXT(SETUP, 0, "iptbdnom"); | |
1440 | goto out_card; | |
4a71df50 | 1441 | } |
76b11f8e UB |
1442 | if (qeth_setup_channel(&card->read)) |
1443 | goto out_ip; | |
1444 | if (qeth_setup_channel(&card->write)) | |
1445 | goto out_channel; | |
4a71df50 | 1446 | card->options.layer2 = -1; |
6bcac508 MS |
1447 | card->qeth_service_level.seq_print = qeth_core_sl_print; |
1448 | register_service_level(&card->qeth_service_level); | |
4a71df50 | 1449 | return card; |
76b11f8e UB |
1450 | |
1451 | out_channel: | |
1452 | qeth_clean_channel(&card->read); | |
1453 | out_ip: | |
1454 | kfree(card->ip_tbd_list); | |
1455 | out_card: | |
1456 | kfree(card); | |
1457 | out: | |
1458 | return NULL; | |
4a71df50 FB |
1459 | } |
1460 | ||
1461 | static int qeth_determine_card_type(struct qeth_card *card) | |
1462 | { | |
1463 | int i = 0; | |
1464 | ||
d11ba0c4 | 1465 | QETH_DBF_TEXT(SETUP, 2, "detcdtyp"); |
4a71df50 FB |
1466 | |
1467 | card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT; | |
1468 | card->qdio.default_out_queue = QETH_DEFAULT_QUEUE; | |
5113fec0 UB |
1469 | while (known_devices[i][QETH_DEV_MODEL_IND]) { |
1470 | if ((CARD_RDEV(card)->id.dev_type == | |
1471 | known_devices[i][QETH_DEV_TYPE_IND]) && | |
1472 | (CARD_RDEV(card)->id.dev_model == | |
1473 | known_devices[i][QETH_DEV_MODEL_IND])) { | |
1474 | card->info.type = known_devices[i][QETH_DEV_MODEL_IND]; | |
1475 | card->qdio.no_out_queues = | |
1476 | known_devices[i][QETH_QUEUE_NO_IND]; | |
0da9581d | 1477 | card->qdio.no_in_queues = 1; |
5113fec0 UB |
1478 | card->info.is_multicast_different = |
1479 | known_devices[i][QETH_MULTICAST_IND]; | |
1480 | qeth_get_channel_path_desc(card); | |
4a71df50 FB |
1481 | return 0; |
1482 | } | |
1483 | i++; | |
1484 | } | |
1485 | card->info.type = QETH_CARD_TYPE_UNKNOWN; | |
74eacdb9 FB |
1486 | dev_err(&card->gdev->dev, "The adapter hardware is of an " |
1487 | "unknown type\n"); | |
4a71df50 FB |
1488 | return -ENOENT; |
1489 | } | |
1490 | ||
1491 | static int qeth_clear_channel(struct qeth_channel *channel) | |
1492 | { | |
1493 | unsigned long flags; | |
1494 | struct qeth_card *card; | |
1495 | int rc; | |
1496 | ||
4a71df50 | 1497 | card = CARD_FROM_CDEV(channel->ccwdev); |
847a50fd | 1498 | QETH_CARD_TEXT(card, 3, "clearch"); |
4a71df50 FB |
1499 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); |
1500 | rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM); | |
1501 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1502 | ||
1503 | if (rc) | |
1504 | return rc; | |
1505 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1506 | channel->state == CH_STATE_STOPPED, QETH_TIMEOUT); | |
1507 | if (rc == -ERESTARTSYS) | |
1508 | return rc; | |
1509 | if (channel->state != CH_STATE_STOPPED) | |
1510 | return -ETIME; | |
1511 | channel->state = CH_STATE_DOWN; | |
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | static int qeth_halt_channel(struct qeth_channel *channel) | |
1516 | { | |
1517 | unsigned long flags; | |
1518 | struct qeth_card *card; | |
1519 | int rc; | |
1520 | ||
4a71df50 | 1521 | card = CARD_FROM_CDEV(channel->ccwdev); |
847a50fd | 1522 | QETH_CARD_TEXT(card, 3, "haltch"); |
4a71df50 FB |
1523 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); |
1524 | rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM); | |
1525 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1526 | ||
1527 | if (rc) | |
1528 | return rc; | |
1529 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1530 | channel->state == CH_STATE_HALTED, QETH_TIMEOUT); | |
1531 | if (rc == -ERESTARTSYS) | |
1532 | return rc; | |
1533 | if (channel->state != CH_STATE_HALTED) | |
1534 | return -ETIME; | |
1535 | return 0; | |
1536 | } | |
1537 | ||
1538 | static int qeth_halt_channels(struct qeth_card *card) | |
1539 | { | |
1540 | int rc1 = 0, rc2 = 0, rc3 = 0; | |
1541 | ||
847a50fd | 1542 | QETH_CARD_TEXT(card, 3, "haltchs"); |
4a71df50 FB |
1543 | rc1 = qeth_halt_channel(&card->read); |
1544 | rc2 = qeth_halt_channel(&card->write); | |
1545 | rc3 = qeth_halt_channel(&card->data); | |
1546 | if (rc1) | |
1547 | return rc1; | |
1548 | if (rc2) | |
1549 | return rc2; | |
1550 | return rc3; | |
1551 | } | |
1552 | ||
1553 | static int qeth_clear_channels(struct qeth_card *card) | |
1554 | { | |
1555 | int rc1 = 0, rc2 = 0, rc3 = 0; | |
1556 | ||
847a50fd | 1557 | QETH_CARD_TEXT(card, 3, "clearchs"); |
4a71df50 FB |
1558 | rc1 = qeth_clear_channel(&card->read); |
1559 | rc2 = qeth_clear_channel(&card->write); | |
1560 | rc3 = qeth_clear_channel(&card->data); | |
1561 | if (rc1) | |
1562 | return rc1; | |
1563 | if (rc2) | |
1564 | return rc2; | |
1565 | return rc3; | |
1566 | } | |
1567 | ||
1568 | static int qeth_clear_halt_card(struct qeth_card *card, int halt) | |
1569 | { | |
1570 | int rc = 0; | |
1571 | ||
847a50fd | 1572 | QETH_CARD_TEXT(card, 3, "clhacrd"); |
4a71df50 FB |
1573 | |
1574 | if (halt) | |
1575 | rc = qeth_halt_channels(card); | |
1576 | if (rc) | |
1577 | return rc; | |
1578 | return qeth_clear_channels(card); | |
1579 | } | |
1580 | ||
1581 | int qeth_qdio_clear_card(struct qeth_card *card, int use_halt) | |
1582 | { | |
1583 | int rc = 0; | |
1584 | ||
847a50fd | 1585 | QETH_CARD_TEXT(card, 3, "qdioclr"); |
4a71df50 FB |
1586 | switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED, |
1587 | QETH_QDIO_CLEANING)) { | |
1588 | case QETH_QDIO_ESTABLISHED: | |
1589 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
cc961d40 | 1590 | rc = qdio_shutdown(CARD_DDEV(card), |
4a71df50 FB |
1591 | QDIO_FLAG_CLEANUP_USING_HALT); |
1592 | else | |
cc961d40 | 1593 | rc = qdio_shutdown(CARD_DDEV(card), |
4a71df50 FB |
1594 | QDIO_FLAG_CLEANUP_USING_CLEAR); |
1595 | if (rc) | |
847a50fd | 1596 | QETH_CARD_TEXT_(card, 3, "1err%d", rc); |
cc961d40 | 1597 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
1598 | atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); |
1599 | break; | |
1600 | case QETH_QDIO_CLEANING: | |
1601 | return rc; | |
1602 | default: | |
1603 | break; | |
1604 | } | |
1605 | rc = qeth_clear_halt_card(card, use_halt); | |
1606 | if (rc) | |
847a50fd | 1607 | QETH_CARD_TEXT_(card, 3, "2err%d", rc); |
4a71df50 FB |
1608 | card->state = CARD_STATE_DOWN; |
1609 | return rc; | |
1610 | } | |
1611 | EXPORT_SYMBOL_GPL(qeth_qdio_clear_card); | |
1612 | ||
1613 | static int qeth_read_conf_data(struct qeth_card *card, void **buffer, | |
1614 | int *length) | |
1615 | { | |
1616 | struct ciw *ciw; | |
1617 | char *rcd_buf; | |
1618 | int ret; | |
1619 | struct qeth_channel *channel = &card->data; | |
1620 | unsigned long flags; | |
1621 | ||
1622 | /* | |
1623 | * scan for RCD command in extended SenseID data | |
1624 | */ | |
1625 | ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD); | |
1626 | if (!ciw || ciw->cmd == 0) | |
1627 | return -EOPNOTSUPP; | |
1628 | rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA); | |
1629 | if (!rcd_buf) | |
1630 | return -ENOMEM; | |
1631 | ||
1632 | channel->ccw.cmd_code = ciw->cmd; | |
1633 | channel->ccw.cda = (__u32) __pa(rcd_buf); | |
1634 | channel->ccw.count = ciw->count; | |
1635 | channel->ccw.flags = CCW_FLAG_SLI; | |
1636 | channel->state = CH_STATE_RCD; | |
1637 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
1638 | ret = ccw_device_start_timeout(channel->ccwdev, &channel->ccw, | |
1639 | QETH_RCD_PARM, LPM_ANYPATH, 0, | |
1640 | QETH_RCD_TIMEOUT); | |
1641 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1642 | if (!ret) | |
1643 | wait_event(card->wait_q, | |
1644 | (channel->state == CH_STATE_RCD_DONE || | |
1645 | channel->state == CH_STATE_DOWN)); | |
1646 | if (channel->state == CH_STATE_DOWN) | |
1647 | ret = -EIO; | |
1648 | else | |
1649 | channel->state = CH_STATE_DOWN; | |
1650 | if (ret) { | |
1651 | kfree(rcd_buf); | |
1652 | *buffer = NULL; | |
1653 | *length = 0; | |
1654 | } else { | |
1655 | *length = ciw->count; | |
1656 | *buffer = rcd_buf; | |
1657 | } | |
1658 | return ret; | |
1659 | } | |
1660 | ||
a60389ab | 1661 | static void qeth_configure_unitaddr(struct qeth_card *card, char *prcd) |
4a71df50 | 1662 | { |
a60389ab | 1663 | QETH_DBF_TEXT(SETUP, 2, "cfgunit"); |
4a71df50 FB |
1664 | card->info.chpid = prcd[30]; |
1665 | card->info.unit_addr2 = prcd[31]; | |
1666 | card->info.cula = prcd[63]; | |
1667 | card->info.guestlan = ((prcd[0x10] == _ascebc['V']) && | |
1668 | (prcd[0x11] == _ascebc['M'])); | |
a60389ab EL |
1669 | } |
1670 | ||
1671 | static void qeth_configure_blkt_default(struct qeth_card *card, char *prcd) | |
1672 | { | |
1673 | QETH_DBF_TEXT(SETUP, 2, "cfgblkt"); | |
1674 | ||
1675 | if (prcd[74] == 0xF0 && prcd[75] == 0xF0 && prcd[76] == 0xF5) { | |
1676 | card->info.blkt.time_total = 250; | |
1677 | card->info.blkt.inter_packet = 5; | |
1678 | card->info.blkt.inter_packet_jumbo = 15; | |
1679 | } else { | |
1680 | card->info.blkt.time_total = 0; | |
1681 | card->info.blkt.inter_packet = 0; | |
1682 | card->info.blkt.inter_packet_jumbo = 0; | |
1683 | } | |
4a71df50 FB |
1684 | } |
1685 | ||
1686 | static void qeth_init_tokens(struct qeth_card *card) | |
1687 | { | |
1688 | card->token.issuer_rm_w = 0x00010103UL; | |
1689 | card->token.cm_filter_w = 0x00010108UL; | |
1690 | card->token.cm_connection_w = 0x0001010aUL; | |
1691 | card->token.ulp_filter_w = 0x0001010bUL; | |
1692 | card->token.ulp_connection_w = 0x0001010dUL; | |
1693 | } | |
1694 | ||
1695 | static void qeth_init_func_level(struct qeth_card *card) | |
1696 | { | |
5113fec0 UB |
1697 | switch (card->info.type) { |
1698 | case QETH_CARD_TYPE_IQD: | |
6298263a | 1699 | card->info.func_level = QETH_IDX_FUNC_LEVEL_IQD; |
5113fec0 UB |
1700 | break; |
1701 | case QETH_CARD_TYPE_OSD: | |
0132951e | 1702 | case QETH_CARD_TYPE_OSN: |
5113fec0 UB |
1703 | card->info.func_level = QETH_IDX_FUNC_LEVEL_OSD; |
1704 | break; | |
1705 | default: | |
1706 | break; | |
4a71df50 FB |
1707 | } |
1708 | } | |
1709 | ||
4a71df50 FB |
1710 | static int qeth_idx_activate_get_answer(struct qeth_channel *channel, |
1711 | void (*idx_reply_cb)(struct qeth_channel *, | |
1712 | struct qeth_cmd_buffer *)) | |
1713 | { | |
1714 | struct qeth_cmd_buffer *iob; | |
1715 | unsigned long flags; | |
1716 | int rc; | |
1717 | struct qeth_card *card; | |
1718 | ||
d11ba0c4 | 1719 | QETH_DBF_TEXT(SETUP, 2, "idxanswr"); |
4a71df50 FB |
1720 | card = CARD_FROM_CDEV(channel->ccwdev); |
1721 | iob = qeth_get_buffer(channel); | |
1722 | iob->callback = idx_reply_cb; | |
1723 | memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); | |
1724 | channel->ccw.count = QETH_BUFSIZE; | |
1725 | channel->ccw.cda = (__u32) __pa(iob->data); | |
1726 | ||
1727 | wait_event(card->wait_q, | |
1728 | atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); | |
d11ba0c4 | 1729 | QETH_DBF_TEXT(SETUP, 6, "noirqpnd"); |
4a71df50 FB |
1730 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); |
1731 | rc = ccw_device_start(channel->ccwdev, | |
1732 | &channel->ccw, (addr_t) iob, 0, 0); | |
1733 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1734 | ||
1735 | if (rc) { | |
14cc21b6 | 1736 | QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc); |
d11ba0c4 | 1737 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
4a71df50 FB |
1738 | atomic_set(&channel->irq_pending, 0); |
1739 | wake_up(&card->wait_q); | |
1740 | return rc; | |
1741 | } | |
1742 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1743 | channel->state == CH_STATE_UP, QETH_TIMEOUT); | |
1744 | if (rc == -ERESTARTSYS) | |
1745 | return rc; | |
1746 | if (channel->state != CH_STATE_UP) { | |
1747 | rc = -ETIME; | |
d11ba0c4 | 1748 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
4a71df50 FB |
1749 | qeth_clear_cmd_buffers(channel); |
1750 | } else | |
1751 | rc = 0; | |
1752 | return rc; | |
1753 | } | |
1754 | ||
1755 | static int qeth_idx_activate_channel(struct qeth_channel *channel, | |
1756 | void (*idx_reply_cb)(struct qeth_channel *, | |
1757 | struct qeth_cmd_buffer *)) | |
1758 | { | |
1759 | struct qeth_card *card; | |
1760 | struct qeth_cmd_buffer *iob; | |
1761 | unsigned long flags; | |
1762 | __u16 temp; | |
1763 | __u8 tmp; | |
1764 | int rc; | |
f06f6f32 | 1765 | struct ccw_dev_id temp_devid; |
4a71df50 FB |
1766 | |
1767 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1768 | ||
d11ba0c4 | 1769 | QETH_DBF_TEXT(SETUP, 2, "idxactch"); |
4a71df50 FB |
1770 | |
1771 | iob = qeth_get_buffer(channel); | |
1772 | iob->callback = idx_reply_cb; | |
1773 | memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); | |
1774 | channel->ccw.count = IDX_ACTIVATE_SIZE; | |
1775 | channel->ccw.cda = (__u32) __pa(iob->data); | |
1776 | if (channel == &card->write) { | |
1777 | memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE); | |
1778 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1779 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1780 | card->seqno.trans_hdr++; | |
1781 | } else { | |
1782 | memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE); | |
1783 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1784 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1785 | } | |
1786 | tmp = ((__u8)card->info.portno) | 0x80; | |
1787 | memcpy(QETH_IDX_ACT_PNO(iob->data), &tmp, 1); | |
1788 | memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), | |
1789 | &card->token.issuer_rm_w, QETH_MPC_TOKEN_LENGTH); | |
1790 | memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data), | |
1791 | &card->info.func_level, sizeof(__u16)); | |
f06f6f32 CH |
1792 | ccw_device_get_id(CARD_DDEV(card), &temp_devid); |
1793 | memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp_devid.devno, 2); | |
4a71df50 FB |
1794 | temp = (card->info.cula << 8) + card->info.unit_addr2; |
1795 | memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2); | |
1796 | ||
1797 | wait_event(card->wait_q, | |
1798 | atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); | |
d11ba0c4 | 1799 | QETH_DBF_TEXT(SETUP, 6, "noirqpnd"); |
4a71df50 FB |
1800 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); |
1801 | rc = ccw_device_start(channel->ccwdev, | |
1802 | &channel->ccw, (addr_t) iob, 0, 0); | |
1803 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1804 | ||
1805 | if (rc) { | |
14cc21b6 FB |
1806 | QETH_DBF_MESSAGE(2, "Error1 in activating channel. rc=%d\n", |
1807 | rc); | |
d11ba0c4 | 1808 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
1809 | atomic_set(&channel->irq_pending, 0); |
1810 | wake_up(&card->wait_q); | |
1811 | return rc; | |
1812 | } | |
1813 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1814 | channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT); | |
1815 | if (rc == -ERESTARTSYS) | |
1816 | return rc; | |
1817 | if (channel->state != CH_STATE_ACTIVATING) { | |
74eacdb9 FB |
1818 | dev_warn(&channel->ccwdev->dev, "The qeth device driver" |
1819 | " failed to recover an error on the device\n"); | |
1820 | QETH_DBF_MESSAGE(2, "%s IDX activate timed out\n", | |
1821 | dev_name(&channel->ccwdev->dev)); | |
d11ba0c4 | 1822 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", -ETIME); |
4a71df50 FB |
1823 | qeth_clear_cmd_buffers(channel); |
1824 | return -ETIME; | |
1825 | } | |
1826 | return qeth_idx_activate_get_answer(channel, idx_reply_cb); | |
1827 | } | |
1828 | ||
1829 | static int qeth_peer_func_level(int level) | |
1830 | { | |
1831 | if ((level & 0xff) == 8) | |
1832 | return (level & 0xff) + 0x400; | |
1833 | if (((level >> 8) & 3) == 1) | |
1834 | return (level & 0xff) + 0x200; | |
1835 | return level; | |
1836 | } | |
1837 | ||
1838 | static void qeth_idx_write_cb(struct qeth_channel *channel, | |
1839 | struct qeth_cmd_buffer *iob) | |
1840 | { | |
1841 | struct qeth_card *card; | |
1842 | __u16 temp; | |
1843 | ||
d11ba0c4 | 1844 | QETH_DBF_TEXT(SETUP , 2, "idxwrcb"); |
4a71df50 FB |
1845 | |
1846 | if (channel->state == CH_STATE_DOWN) { | |
1847 | channel->state = CH_STATE_ACTIVATING; | |
1848 | goto out; | |
1849 | } | |
1850 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1851 | ||
1852 | if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { | |
5113fec0 | 1853 | if (QETH_IDX_ACT_CAUSE_CODE(iob->data) == QETH_IDX_ACT_ERR_EXCL) |
74eacdb9 FB |
1854 | dev_err(&card->write.ccwdev->dev, |
1855 | "The adapter is used exclusively by another " | |
1856 | "host\n"); | |
4a71df50 | 1857 | else |
74eacdb9 FB |
1858 | QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel:" |
1859 | " negative reply\n", | |
1860 | dev_name(&card->write.ccwdev->dev)); | |
4a71df50 FB |
1861 | goto out; |
1862 | } | |
1863 | memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); | |
1864 | if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) { | |
74eacdb9 FB |
1865 | QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel: " |
1866 | "function level mismatch (sent: 0x%x, received: " | |
1867 | "0x%x)\n", dev_name(&card->write.ccwdev->dev), | |
1868 | card->info.func_level, temp); | |
4a71df50 FB |
1869 | goto out; |
1870 | } | |
1871 | channel->state = CH_STATE_UP; | |
1872 | out: | |
1873 | qeth_release_buffer(channel, iob); | |
1874 | } | |
1875 | ||
1876 | static void qeth_idx_read_cb(struct qeth_channel *channel, | |
1877 | struct qeth_cmd_buffer *iob) | |
1878 | { | |
1879 | struct qeth_card *card; | |
1880 | __u16 temp; | |
1881 | ||
d11ba0c4 | 1882 | QETH_DBF_TEXT(SETUP , 2, "idxrdcb"); |
4a71df50 FB |
1883 | if (channel->state == CH_STATE_DOWN) { |
1884 | channel->state = CH_STATE_ACTIVATING; | |
1885 | goto out; | |
1886 | } | |
1887 | ||
1888 | card = CARD_FROM_CDEV(channel->ccwdev); | |
5113fec0 | 1889 | if (qeth_check_idx_response(card, iob->data)) |
4a71df50 FB |
1890 | goto out; |
1891 | ||
1892 | if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { | |
5113fec0 UB |
1893 | switch (QETH_IDX_ACT_CAUSE_CODE(iob->data)) { |
1894 | case QETH_IDX_ACT_ERR_EXCL: | |
74eacdb9 FB |
1895 | dev_err(&card->write.ccwdev->dev, |
1896 | "The adapter is used exclusively by another " | |
1897 | "host\n"); | |
5113fec0 UB |
1898 | break; |
1899 | case QETH_IDX_ACT_ERR_AUTH: | |
01fc3e86 | 1900 | case QETH_IDX_ACT_ERR_AUTH_USER: |
5113fec0 UB |
1901 | dev_err(&card->read.ccwdev->dev, |
1902 | "Setting the device online failed because of " | |
01fc3e86 | 1903 | "insufficient authorization\n"); |
5113fec0 UB |
1904 | break; |
1905 | default: | |
74eacdb9 FB |
1906 | QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel:" |
1907 | " negative reply\n", | |
1908 | dev_name(&card->read.ccwdev->dev)); | |
5113fec0 | 1909 | } |
01fc3e86 UB |
1910 | QETH_CARD_TEXT_(card, 2, "idxread%c", |
1911 | QETH_IDX_ACT_CAUSE_CODE(iob->data)); | |
4a71df50 FB |
1912 | goto out; |
1913 | } | |
1914 | ||
1915 | /** | |
5113fec0 UB |
1916 | * * temporary fix for microcode bug |
1917 | * * to revert it,replace OR by AND | |
1918 | * */ | |
4a71df50 | 1919 | if ((!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) || |
5113fec0 | 1920 | (card->info.type == QETH_CARD_TYPE_OSD)) |
4a71df50 FB |
1921 | card->info.portname_required = 1; |
1922 | ||
1923 | memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); | |
1924 | if (temp != qeth_peer_func_level(card->info.func_level)) { | |
74eacdb9 FB |
1925 | QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel: function " |
1926 | "level mismatch (sent: 0x%x, received: 0x%x)\n", | |
1927 | dev_name(&card->read.ccwdev->dev), | |
1928 | card->info.func_level, temp); | |
4a71df50 FB |
1929 | goto out; |
1930 | } | |
1931 | memcpy(&card->token.issuer_rm_r, | |
1932 | QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), | |
1933 | QETH_MPC_TOKEN_LENGTH); | |
1934 | memcpy(&card->info.mcl_level[0], | |
1935 | QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH); | |
1936 | channel->state = CH_STATE_UP; | |
1937 | out: | |
1938 | qeth_release_buffer(channel, iob); | |
1939 | } | |
1940 | ||
1941 | void qeth_prepare_control_data(struct qeth_card *card, int len, | |
1942 | struct qeth_cmd_buffer *iob) | |
1943 | { | |
1944 | qeth_setup_ccw(&card->write, iob->data, len); | |
1945 | iob->callback = qeth_release_buffer; | |
1946 | ||
1947 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1948 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1949 | card->seqno.trans_hdr++; | |
1950 | memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data), | |
1951 | &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH); | |
1952 | card->seqno.pdu_hdr++; | |
1953 | memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data), | |
1954 | &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH); | |
d11ba0c4 | 1955 | QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
1956 | } |
1957 | EXPORT_SYMBOL_GPL(qeth_prepare_control_data); | |
1958 | ||
1959 | int qeth_send_control_data(struct qeth_card *card, int len, | |
1960 | struct qeth_cmd_buffer *iob, | |
1961 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
1962 | unsigned long), | |
1963 | void *reply_param) | |
1964 | { | |
1965 | int rc; | |
1966 | unsigned long flags; | |
1967 | struct qeth_reply *reply = NULL; | |
7834cd5a | 1968 | unsigned long timeout, event_timeout; |
5b54e16f | 1969 | struct qeth_ipa_cmd *cmd; |
4a71df50 | 1970 | |
847a50fd | 1971 | QETH_CARD_TEXT(card, 2, "sendctl"); |
4a71df50 | 1972 | |
908abbb5 UB |
1973 | if (card->read_or_write_problem) { |
1974 | qeth_release_buffer(iob->channel, iob); | |
1975 | return -EIO; | |
1976 | } | |
4a71df50 FB |
1977 | reply = qeth_alloc_reply(card); |
1978 | if (!reply) { | |
4a71df50 FB |
1979 | return -ENOMEM; |
1980 | } | |
1981 | reply->callback = reply_cb; | |
1982 | reply->param = reply_param; | |
1983 | if (card->state == CARD_STATE_DOWN) | |
1984 | reply->seqno = QETH_IDX_COMMAND_SEQNO; | |
1985 | else | |
1986 | reply->seqno = card->seqno.ipa++; | |
1987 | init_waitqueue_head(&reply->wait_q); | |
1988 | spin_lock_irqsave(&card->lock, flags); | |
1989 | list_add_tail(&reply->list, &card->cmd_waiter_list); | |
1990 | spin_unlock_irqrestore(&card->lock, flags); | |
d11ba0c4 | 1991 | QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
1992 | |
1993 | while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ; | |
1994 | qeth_prepare_control_data(card, len, iob); | |
1995 | ||
1996 | if (IS_IPA(iob->data)) | |
7834cd5a | 1997 | event_timeout = QETH_IPA_TIMEOUT; |
4a71df50 | 1998 | else |
7834cd5a HC |
1999 | event_timeout = QETH_TIMEOUT; |
2000 | timeout = jiffies + event_timeout; | |
4a71df50 | 2001 | |
847a50fd | 2002 | QETH_CARD_TEXT(card, 6, "noirqpnd"); |
4a71df50 FB |
2003 | spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); |
2004 | rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, | |
2005 | (addr_t) iob, 0, 0); | |
2006 | spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); | |
2007 | if (rc) { | |
74eacdb9 FB |
2008 | QETH_DBF_MESSAGE(2, "%s qeth_send_control_data: " |
2009 | "ccw_device_start rc = %i\n", | |
2010 | dev_name(&card->write.ccwdev->dev), rc); | |
847a50fd | 2011 | QETH_CARD_TEXT_(card, 2, " err%d", rc); |
4a71df50 FB |
2012 | spin_lock_irqsave(&card->lock, flags); |
2013 | list_del_init(&reply->list); | |
2014 | qeth_put_reply(reply); | |
2015 | spin_unlock_irqrestore(&card->lock, flags); | |
2016 | qeth_release_buffer(iob->channel, iob); | |
2017 | atomic_set(&card->write.irq_pending, 0); | |
2018 | wake_up(&card->wait_q); | |
2019 | return rc; | |
2020 | } | |
5b54e16f FB |
2021 | |
2022 | /* we have only one long running ipassist, since we can ensure | |
2023 | process context of this command we can sleep */ | |
2024 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2025 | if ((cmd->hdr.command == IPA_CMD_SETIP) && | |
2026 | (cmd->hdr.prot_version == QETH_PROT_IPV4)) { | |
2027 | if (!wait_event_timeout(reply->wait_q, | |
7834cd5a | 2028 | atomic_read(&reply->received), event_timeout)) |
5b54e16f FB |
2029 | goto time_err; |
2030 | } else { | |
2031 | while (!atomic_read(&reply->received)) { | |
2032 | if (time_after(jiffies, timeout)) | |
2033 | goto time_err; | |
2034 | cpu_relax(); | |
2035 | }; | |
2036 | } | |
2037 | ||
70919e23 UB |
2038 | if (reply->rc == -EIO) |
2039 | goto error; | |
5b54e16f FB |
2040 | rc = reply->rc; |
2041 | qeth_put_reply(reply); | |
2042 | return rc; | |
2043 | ||
2044 | time_err: | |
70919e23 | 2045 | reply->rc = -ETIME; |
5b54e16f FB |
2046 | spin_lock_irqsave(&reply->card->lock, flags); |
2047 | list_del_init(&reply->list); | |
2048 | spin_unlock_irqrestore(&reply->card->lock, flags); | |
5b54e16f | 2049 | atomic_inc(&reply->received); |
70919e23 | 2050 | error: |
908abbb5 UB |
2051 | atomic_set(&card->write.irq_pending, 0); |
2052 | qeth_release_buffer(iob->channel, iob); | |
2053 | card->write.buf_no = (card->write.buf_no + 1) % QETH_CMD_BUFFER_NO; | |
4a71df50 FB |
2054 | rc = reply->rc; |
2055 | qeth_put_reply(reply); | |
2056 | return rc; | |
2057 | } | |
2058 | EXPORT_SYMBOL_GPL(qeth_send_control_data); | |
2059 | ||
2060 | static int qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply, | |
2061 | unsigned long data) | |
2062 | { | |
2063 | struct qeth_cmd_buffer *iob; | |
2064 | ||
d11ba0c4 | 2065 | QETH_DBF_TEXT(SETUP, 2, "cmenblcb"); |
4a71df50 FB |
2066 | |
2067 | iob = (struct qeth_cmd_buffer *) data; | |
2068 | memcpy(&card->token.cm_filter_r, | |
2069 | QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data), | |
2070 | QETH_MPC_TOKEN_LENGTH); | |
d11ba0c4 | 2071 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
4a71df50 FB |
2072 | return 0; |
2073 | } | |
2074 | ||
2075 | static int qeth_cm_enable(struct qeth_card *card) | |
2076 | { | |
2077 | int rc; | |
2078 | struct qeth_cmd_buffer *iob; | |
2079 | ||
d11ba0c4 | 2080 | QETH_DBF_TEXT(SETUP, 2, "cmenable"); |
4a71df50 FB |
2081 | |
2082 | iob = qeth_wait_for_buffer(&card->write); | |
2083 | memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE); | |
2084 | memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data), | |
2085 | &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); | |
2086 | memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data), | |
2087 | &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH); | |
2088 | ||
2089 | rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob, | |
2090 | qeth_cm_enable_cb, NULL); | |
2091 | return rc; | |
2092 | } | |
2093 | ||
2094 | static int qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply, | |
2095 | unsigned long data) | |
2096 | { | |
2097 | ||
2098 | struct qeth_cmd_buffer *iob; | |
2099 | ||
d11ba0c4 | 2100 | QETH_DBF_TEXT(SETUP, 2, "cmsetpcb"); |
4a71df50 FB |
2101 | |
2102 | iob = (struct qeth_cmd_buffer *) data; | |
2103 | memcpy(&card->token.cm_connection_r, | |
2104 | QETH_CM_SETUP_RESP_DEST_ADDR(iob->data), | |
2105 | QETH_MPC_TOKEN_LENGTH); | |
d11ba0c4 | 2106 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
4a71df50 FB |
2107 | return 0; |
2108 | } | |
2109 | ||
2110 | static int qeth_cm_setup(struct qeth_card *card) | |
2111 | { | |
2112 | int rc; | |
2113 | struct qeth_cmd_buffer *iob; | |
2114 | ||
d11ba0c4 | 2115 | QETH_DBF_TEXT(SETUP, 2, "cmsetup"); |
4a71df50 FB |
2116 | |
2117 | iob = qeth_wait_for_buffer(&card->write); | |
2118 | memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE); | |
2119 | memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data), | |
2120 | &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); | |
2121 | memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data), | |
2122 | &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH); | |
2123 | memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data), | |
2124 | &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH); | |
2125 | rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob, | |
2126 | qeth_cm_setup_cb, NULL); | |
2127 | return rc; | |
2128 | ||
2129 | } | |
2130 | ||
2131 | static inline int qeth_get_initial_mtu_for_card(struct qeth_card *card) | |
2132 | { | |
2133 | switch (card->info.type) { | |
2134 | case QETH_CARD_TYPE_UNKNOWN: | |
2135 | return 1500; | |
2136 | case QETH_CARD_TYPE_IQD: | |
2137 | return card->info.max_mtu; | |
5113fec0 | 2138 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
2139 | switch (card->info.link_type) { |
2140 | case QETH_LINK_TYPE_HSTR: | |
2141 | case QETH_LINK_TYPE_LANE_TR: | |
2142 | return 2000; | |
2143 | default: | |
2144 | return 1492; | |
2145 | } | |
5113fec0 UB |
2146 | case QETH_CARD_TYPE_OSM: |
2147 | case QETH_CARD_TYPE_OSX: | |
2148 | return 1492; | |
4a71df50 FB |
2149 | default: |
2150 | return 1500; | |
2151 | } | |
2152 | } | |
2153 | ||
4a71df50 FB |
2154 | static inline int qeth_get_mtu_outof_framesize(int framesize) |
2155 | { | |
2156 | switch (framesize) { | |
2157 | case 0x4000: | |
2158 | return 8192; | |
2159 | case 0x6000: | |
2160 | return 16384; | |
2161 | case 0xa000: | |
2162 | return 32768; | |
2163 | case 0xffff: | |
2164 | return 57344; | |
2165 | default: | |
2166 | return 0; | |
2167 | } | |
2168 | } | |
2169 | ||
2170 | static inline int qeth_mtu_is_valid(struct qeth_card *card, int mtu) | |
2171 | { | |
2172 | switch (card->info.type) { | |
5113fec0 UB |
2173 | case QETH_CARD_TYPE_OSD: |
2174 | case QETH_CARD_TYPE_OSM: | |
2175 | case QETH_CARD_TYPE_OSX: | |
4a71df50 FB |
2176 | case QETH_CARD_TYPE_IQD: |
2177 | return ((mtu >= 576) && | |
9853b97b | 2178 | (mtu <= card->info.max_mtu)); |
4a71df50 FB |
2179 | case QETH_CARD_TYPE_OSN: |
2180 | case QETH_CARD_TYPE_UNKNOWN: | |
2181 | default: | |
2182 | return 1; | |
2183 | } | |
2184 | } | |
2185 | ||
2186 | static int qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply, | |
2187 | unsigned long data) | |
2188 | { | |
2189 | ||
2190 | __u16 mtu, framesize; | |
2191 | __u16 len; | |
2192 | __u8 link_type; | |
2193 | struct qeth_cmd_buffer *iob; | |
2194 | ||
d11ba0c4 | 2195 | QETH_DBF_TEXT(SETUP, 2, "ulpenacb"); |
4a71df50 FB |
2196 | |
2197 | iob = (struct qeth_cmd_buffer *) data; | |
2198 | memcpy(&card->token.ulp_filter_r, | |
2199 | QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data), | |
2200 | QETH_MPC_TOKEN_LENGTH); | |
9853b97b | 2201 | if (card->info.type == QETH_CARD_TYPE_IQD) { |
4a71df50 FB |
2202 | memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2); |
2203 | mtu = qeth_get_mtu_outof_framesize(framesize); | |
2204 | if (!mtu) { | |
2205 | iob->rc = -EINVAL; | |
d11ba0c4 | 2206 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
4a71df50 FB |
2207 | return 0; |
2208 | } | |
8b2e18f6 UB |
2209 | if (card->info.initial_mtu && (card->info.initial_mtu != mtu)) { |
2210 | /* frame size has changed */ | |
2211 | if (card->dev && | |
2212 | ((card->dev->mtu == card->info.initial_mtu) || | |
2213 | (card->dev->mtu > mtu))) | |
2214 | card->dev->mtu = mtu; | |
2215 | qeth_free_qdio_buffers(card); | |
2216 | } | |
4a71df50 | 2217 | card->info.initial_mtu = mtu; |
8b2e18f6 | 2218 | card->info.max_mtu = mtu; |
4a71df50 FB |
2219 | card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE; |
2220 | } else { | |
2221 | card->info.initial_mtu = qeth_get_initial_mtu_for_card(card); | |
9853b97b FB |
2222 | card->info.max_mtu = *(__u16 *)QETH_ULP_ENABLE_RESP_MAX_MTU( |
2223 | iob->data); | |
4a71df50 FB |
2224 | card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; |
2225 | } | |
2226 | ||
2227 | memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2); | |
2228 | if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) { | |
2229 | memcpy(&link_type, | |
2230 | QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1); | |
2231 | card->info.link_type = link_type; | |
2232 | } else | |
2233 | card->info.link_type = 0; | |
01fc3e86 | 2234 | QETH_DBF_TEXT_(SETUP, 2, "link%d", card->info.link_type); |
d11ba0c4 | 2235 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
4a71df50 FB |
2236 | return 0; |
2237 | } | |
2238 | ||
2239 | static int qeth_ulp_enable(struct qeth_card *card) | |
2240 | { | |
2241 | int rc; | |
2242 | char prot_type; | |
2243 | struct qeth_cmd_buffer *iob; | |
2244 | ||
2245 | /*FIXME: trace view callbacks*/ | |
d11ba0c4 | 2246 | QETH_DBF_TEXT(SETUP, 2, "ulpenabl"); |
4a71df50 FB |
2247 | |
2248 | iob = qeth_wait_for_buffer(&card->write); | |
2249 | memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE); | |
2250 | ||
2251 | *(QETH_ULP_ENABLE_LINKNUM(iob->data)) = | |
2252 | (__u8) card->info.portno; | |
2253 | if (card->options.layer2) | |
2254 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
2255 | prot_type = QETH_PROT_OSN2; | |
2256 | else | |
2257 | prot_type = QETH_PROT_LAYER2; | |
2258 | else | |
2259 | prot_type = QETH_PROT_TCPIP; | |
2260 | ||
2261 | memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data), &prot_type, 1); | |
2262 | memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data), | |
2263 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2264 | memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data), | |
2265 | &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH); | |
2266 | memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data), | |
2267 | card->info.portname, 9); | |
2268 | rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob, | |
2269 | qeth_ulp_enable_cb, NULL); | |
2270 | return rc; | |
2271 | ||
2272 | } | |
2273 | ||
2274 | static int qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply, | |
2275 | unsigned long data) | |
2276 | { | |
2277 | struct qeth_cmd_buffer *iob; | |
65a1f898 | 2278 | int rc = 0; |
4a71df50 | 2279 | |
d11ba0c4 | 2280 | QETH_DBF_TEXT(SETUP, 2, "ulpstpcb"); |
4a71df50 FB |
2281 | |
2282 | iob = (struct qeth_cmd_buffer *) data; | |
2283 | memcpy(&card->token.ulp_connection_r, | |
2284 | QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data), | |
2285 | QETH_MPC_TOKEN_LENGTH); | |
65a1f898 UB |
2286 | if (!strncmp("00S", QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data), |
2287 | 3)) { | |
2288 | QETH_DBF_TEXT(SETUP, 2, "olmlimit"); | |
2289 | dev_err(&card->gdev->dev, "A connection could not be " | |
2290 | "established because of an OLM limit\n"); | |
bbb822a8 | 2291 | iob->rc = -EMLINK; |
65a1f898 | 2292 | } |
d11ba0c4 | 2293 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
65a1f898 | 2294 | return rc; |
4a71df50 FB |
2295 | } |
2296 | ||
2297 | static int qeth_ulp_setup(struct qeth_card *card) | |
2298 | { | |
2299 | int rc; | |
2300 | __u16 temp; | |
2301 | struct qeth_cmd_buffer *iob; | |
2302 | struct ccw_dev_id dev_id; | |
2303 | ||
d11ba0c4 | 2304 | QETH_DBF_TEXT(SETUP, 2, "ulpsetup"); |
4a71df50 FB |
2305 | |
2306 | iob = qeth_wait_for_buffer(&card->write); | |
2307 | memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE); | |
2308 | ||
2309 | memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data), | |
2310 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2311 | memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data), | |
2312 | &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH); | |
2313 | memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data), | |
2314 | &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH); | |
2315 | ||
2316 | ccw_device_get_id(CARD_DDEV(card), &dev_id); | |
2317 | memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2); | |
2318 | temp = (card->info.cula << 8) + card->info.unit_addr2; | |
2319 | memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2); | |
2320 | rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob, | |
2321 | qeth_ulp_setup_cb, NULL); | |
2322 | return rc; | |
2323 | } | |
2324 | ||
0da9581d EL |
2325 | static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *q, int bidx) |
2326 | { | |
2327 | int rc; | |
2328 | struct qeth_qdio_out_buffer *newbuf; | |
2329 | ||
2330 | rc = 0; | |
2331 | newbuf = kmem_cache_zalloc(qeth_qdio_outbuf_cache, GFP_ATOMIC); | |
2332 | if (!newbuf) { | |
2333 | rc = -ENOMEM; | |
2334 | goto out; | |
2335 | } | |
2336 | newbuf->buffer = &q->qdio_bufs[bidx]; | |
2337 | skb_queue_head_init(&newbuf->skb_list); | |
2338 | lockdep_set_class(&newbuf->skb_list.lock, &qdio_out_skb_queue_key); | |
2339 | newbuf->q = q; | |
2340 | newbuf->aob = NULL; | |
2341 | newbuf->next_pending = q->bufs[bidx]; | |
2342 | atomic_set(&newbuf->state, QETH_QDIO_BUF_EMPTY); | |
2343 | q->bufs[bidx] = newbuf; | |
2344 | if (q->bufstates) { | |
2345 | q->bufstates[bidx].user = newbuf; | |
2346 | QETH_CARD_TEXT_(q->card, 2, "nbs%d", bidx); | |
2347 | QETH_CARD_TEXT_(q->card, 2, "%lx", (long) newbuf); | |
2348 | QETH_CARD_TEXT_(q->card, 2, "%lx", | |
2349 | (long) newbuf->next_pending); | |
2350 | } | |
2351 | out: | |
2352 | return rc; | |
2353 | } | |
2354 | ||
2355 | ||
4a71df50 FB |
2356 | static int qeth_alloc_qdio_buffers(struct qeth_card *card) |
2357 | { | |
2358 | int i, j; | |
2359 | ||
d11ba0c4 | 2360 | QETH_DBF_TEXT(SETUP, 2, "allcqdbf"); |
4a71df50 FB |
2361 | |
2362 | if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED, | |
2363 | QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED) | |
2364 | return 0; | |
2365 | ||
b3332930 | 2366 | card->qdio.in_q = kzalloc(sizeof(struct qeth_qdio_q), |
0da9581d | 2367 | GFP_KERNEL); |
4a71df50 FB |
2368 | if (!card->qdio.in_q) |
2369 | goto out_nomem; | |
d11ba0c4 PT |
2370 | QETH_DBF_TEXT(SETUP, 2, "inq"); |
2371 | QETH_DBF_HEX(SETUP, 2, &card->qdio.in_q, sizeof(void *)); | |
4a71df50 FB |
2372 | memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q)); |
2373 | /* give inbound qeth_qdio_buffers their qdio_buffers */ | |
b3332930 | 2374 | for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) { |
4a71df50 FB |
2375 | card->qdio.in_q->bufs[i].buffer = |
2376 | &card->qdio.in_q->qdio_bufs[i]; | |
b3332930 FB |
2377 | card->qdio.in_q->bufs[i].rx_skb = NULL; |
2378 | } | |
4a71df50 FB |
2379 | /* inbound buffer pool */ |
2380 | if (qeth_alloc_buffer_pool(card)) | |
2381 | goto out_freeinq; | |
0da9581d | 2382 | |
4a71df50 FB |
2383 | /* outbound */ |
2384 | card->qdio.out_qs = | |
b3332930 | 2385 | kzalloc(card->qdio.no_out_queues * |
4a71df50 FB |
2386 | sizeof(struct qeth_qdio_out_q *), GFP_KERNEL); |
2387 | if (!card->qdio.out_qs) | |
2388 | goto out_freepool; | |
2389 | for (i = 0; i < card->qdio.no_out_queues; ++i) { | |
b3332930 | 2390 | card->qdio.out_qs[i] = kzalloc(sizeof(struct qeth_qdio_out_q), |
508b3c4f | 2391 | GFP_KERNEL); |
4a71df50 FB |
2392 | if (!card->qdio.out_qs[i]) |
2393 | goto out_freeoutq; | |
d11ba0c4 PT |
2394 | QETH_DBF_TEXT_(SETUP, 2, "outq %i", i); |
2395 | QETH_DBF_HEX(SETUP, 2, &card->qdio.out_qs[i], sizeof(void *)); | |
4a71df50 FB |
2396 | card->qdio.out_qs[i]->queue_no = i; |
2397 | /* give outbound qeth_qdio_buffers their qdio_buffers */ | |
2398 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) { | |
0da9581d EL |
2399 | BUG_ON(card->qdio.out_qs[i]->bufs[j] != NULL); |
2400 | if (qeth_init_qdio_out_buf(card->qdio.out_qs[i], j)) | |
2401 | goto out_freeoutqbufs; | |
4a71df50 FB |
2402 | } |
2403 | } | |
0da9581d EL |
2404 | |
2405 | /* completion */ | |
2406 | if (qeth_alloc_cq(card)) | |
2407 | goto out_freeoutq; | |
2408 | ||
4a71df50 FB |
2409 | return 0; |
2410 | ||
0da9581d EL |
2411 | out_freeoutqbufs: |
2412 | while (j > 0) { | |
2413 | --j; | |
2414 | kmem_cache_free(qeth_qdio_outbuf_cache, | |
2415 | card->qdio.out_qs[i]->bufs[j]); | |
2416 | card->qdio.out_qs[i]->bufs[j] = NULL; | |
2417 | } | |
4a71df50 | 2418 | out_freeoutq: |
0da9581d | 2419 | while (i > 0) { |
4a71df50 | 2420 | kfree(card->qdio.out_qs[--i]); |
0da9581d EL |
2421 | qeth_clear_outq_buffers(card->qdio.out_qs[i], 1); |
2422 | } | |
4a71df50 FB |
2423 | kfree(card->qdio.out_qs); |
2424 | card->qdio.out_qs = NULL; | |
2425 | out_freepool: | |
2426 | qeth_free_buffer_pool(card); | |
2427 | out_freeinq: | |
2428 | kfree(card->qdio.in_q); | |
2429 | card->qdio.in_q = NULL; | |
2430 | out_nomem: | |
2431 | atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED); | |
2432 | return -ENOMEM; | |
2433 | } | |
2434 | ||
2435 | static void qeth_create_qib_param_field(struct qeth_card *card, | |
2436 | char *param_field) | |
2437 | { | |
2438 | ||
2439 | param_field[0] = _ascebc['P']; | |
2440 | param_field[1] = _ascebc['C']; | |
2441 | param_field[2] = _ascebc['I']; | |
2442 | param_field[3] = _ascebc['T']; | |
2443 | *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card); | |
2444 | *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card); | |
2445 | *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card); | |
2446 | } | |
2447 | ||
2448 | static void qeth_create_qib_param_field_blkt(struct qeth_card *card, | |
2449 | char *param_field) | |
2450 | { | |
2451 | param_field[16] = _ascebc['B']; | |
2452 | param_field[17] = _ascebc['L']; | |
2453 | param_field[18] = _ascebc['K']; | |
2454 | param_field[19] = _ascebc['T']; | |
2455 | *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total; | |
2456 | *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet; | |
2457 | *((unsigned int *) (¶m_field[28])) = | |
2458 | card->info.blkt.inter_packet_jumbo; | |
2459 | } | |
2460 | ||
2461 | static int qeth_qdio_activate(struct qeth_card *card) | |
2462 | { | |
d11ba0c4 | 2463 | QETH_DBF_TEXT(SETUP, 3, "qdioact"); |
779e6e1c | 2464 | return qdio_activate(CARD_DDEV(card)); |
4a71df50 FB |
2465 | } |
2466 | ||
2467 | static int qeth_dm_act(struct qeth_card *card) | |
2468 | { | |
2469 | int rc; | |
2470 | struct qeth_cmd_buffer *iob; | |
2471 | ||
d11ba0c4 | 2472 | QETH_DBF_TEXT(SETUP, 2, "dmact"); |
4a71df50 FB |
2473 | |
2474 | iob = qeth_wait_for_buffer(&card->write); | |
2475 | memcpy(iob->data, DM_ACT, DM_ACT_SIZE); | |
2476 | ||
2477 | memcpy(QETH_DM_ACT_DEST_ADDR(iob->data), | |
2478 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2479 | memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data), | |
2480 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2481 | rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL); | |
2482 | return rc; | |
2483 | } | |
2484 | ||
2485 | static int qeth_mpc_initialize(struct qeth_card *card) | |
2486 | { | |
2487 | int rc; | |
2488 | ||
d11ba0c4 | 2489 | QETH_DBF_TEXT(SETUP, 2, "mpcinit"); |
4a71df50 FB |
2490 | |
2491 | rc = qeth_issue_next_read(card); | |
2492 | if (rc) { | |
d11ba0c4 | 2493 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
2494 | return rc; |
2495 | } | |
2496 | rc = qeth_cm_enable(card); | |
2497 | if (rc) { | |
d11ba0c4 | 2498 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
4a71df50 FB |
2499 | goto out_qdio; |
2500 | } | |
2501 | rc = qeth_cm_setup(card); | |
2502 | if (rc) { | |
d11ba0c4 | 2503 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
4a71df50 FB |
2504 | goto out_qdio; |
2505 | } | |
2506 | rc = qeth_ulp_enable(card); | |
2507 | if (rc) { | |
d11ba0c4 | 2508 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); |
4a71df50 FB |
2509 | goto out_qdio; |
2510 | } | |
2511 | rc = qeth_ulp_setup(card); | |
2512 | if (rc) { | |
d11ba0c4 | 2513 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); |
4a71df50 FB |
2514 | goto out_qdio; |
2515 | } | |
2516 | rc = qeth_alloc_qdio_buffers(card); | |
2517 | if (rc) { | |
d11ba0c4 | 2518 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); |
4a71df50 FB |
2519 | goto out_qdio; |
2520 | } | |
2521 | rc = qeth_qdio_establish(card); | |
2522 | if (rc) { | |
d11ba0c4 | 2523 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
4a71df50 FB |
2524 | qeth_free_qdio_buffers(card); |
2525 | goto out_qdio; | |
2526 | } | |
2527 | rc = qeth_qdio_activate(card); | |
2528 | if (rc) { | |
d11ba0c4 | 2529 | QETH_DBF_TEXT_(SETUP, 2, "7err%d", rc); |
4a71df50 FB |
2530 | goto out_qdio; |
2531 | } | |
2532 | rc = qeth_dm_act(card); | |
2533 | if (rc) { | |
d11ba0c4 | 2534 | QETH_DBF_TEXT_(SETUP, 2, "8err%d", rc); |
4a71df50 FB |
2535 | goto out_qdio; |
2536 | } | |
2537 | ||
2538 | return 0; | |
2539 | out_qdio: | |
2540 | qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); | |
2541 | return rc; | |
2542 | } | |
2543 | ||
2544 | static void qeth_print_status_with_portname(struct qeth_card *card) | |
2545 | { | |
2546 | char dbf_text[15]; | |
2547 | int i; | |
2548 | ||
2549 | sprintf(dbf_text, "%s", card->info.portname + 1); | |
2550 | for (i = 0; i < 8; i++) | |
2551 | dbf_text[i] = | |
2552 | (char) _ebcasc[(__u8) dbf_text[i]]; | |
2553 | dbf_text[8] = 0; | |
74eacdb9 | 2554 | dev_info(&card->gdev->dev, "Device is a%s card%s%s%s\n" |
4a71df50 | 2555 | "with link type %s (portname: %s)\n", |
4a71df50 FB |
2556 | qeth_get_cardname(card), |
2557 | (card->info.mcl_level[0]) ? " (level: " : "", | |
2558 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
2559 | (card->info.mcl_level[0]) ? ")" : "", | |
2560 | qeth_get_cardname_short(card), | |
2561 | dbf_text); | |
2562 | ||
2563 | } | |
2564 | ||
2565 | static void qeth_print_status_no_portname(struct qeth_card *card) | |
2566 | { | |
2567 | if (card->info.portname[0]) | |
74eacdb9 | 2568 | dev_info(&card->gdev->dev, "Device is a%s " |
4a71df50 FB |
2569 | "card%s%s%s\nwith link type %s " |
2570 | "(no portname needed by interface).\n", | |
4a71df50 FB |
2571 | qeth_get_cardname(card), |
2572 | (card->info.mcl_level[0]) ? " (level: " : "", | |
2573 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
2574 | (card->info.mcl_level[0]) ? ")" : "", | |
2575 | qeth_get_cardname_short(card)); | |
2576 | else | |
74eacdb9 | 2577 | dev_info(&card->gdev->dev, "Device is a%s " |
4a71df50 | 2578 | "card%s%s%s\nwith link type %s.\n", |
4a71df50 FB |
2579 | qeth_get_cardname(card), |
2580 | (card->info.mcl_level[0]) ? " (level: " : "", | |
2581 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
2582 | (card->info.mcl_level[0]) ? ")" : "", | |
2583 | qeth_get_cardname_short(card)); | |
2584 | } | |
2585 | ||
2586 | void qeth_print_status_message(struct qeth_card *card) | |
2587 | { | |
2588 | switch (card->info.type) { | |
5113fec0 UB |
2589 | case QETH_CARD_TYPE_OSD: |
2590 | case QETH_CARD_TYPE_OSM: | |
2591 | case QETH_CARD_TYPE_OSX: | |
4a71df50 FB |
2592 | /* VM will use a non-zero first character |
2593 | * to indicate a HiperSockets like reporting | |
2594 | * of the level OSA sets the first character to zero | |
2595 | * */ | |
2596 | if (!card->info.mcl_level[0]) { | |
2597 | sprintf(card->info.mcl_level, "%02x%02x", | |
2598 | card->info.mcl_level[2], | |
2599 | card->info.mcl_level[3]); | |
2600 | ||
2601 | card->info.mcl_level[QETH_MCL_LENGTH] = 0; | |
2602 | break; | |
2603 | } | |
2604 | /* fallthrough */ | |
2605 | case QETH_CARD_TYPE_IQD: | |
906f1f07 KDW |
2606 | if ((card->info.guestlan) || |
2607 | (card->info.mcl_level[0] & 0x80)) { | |
4a71df50 FB |
2608 | card->info.mcl_level[0] = (char) _ebcasc[(__u8) |
2609 | card->info.mcl_level[0]]; | |
2610 | card->info.mcl_level[1] = (char) _ebcasc[(__u8) | |
2611 | card->info.mcl_level[1]]; | |
2612 | card->info.mcl_level[2] = (char) _ebcasc[(__u8) | |
2613 | card->info.mcl_level[2]]; | |
2614 | card->info.mcl_level[3] = (char) _ebcasc[(__u8) | |
2615 | card->info.mcl_level[3]]; | |
2616 | card->info.mcl_level[QETH_MCL_LENGTH] = 0; | |
2617 | } | |
2618 | break; | |
2619 | default: | |
2620 | memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1); | |
2621 | } | |
2622 | if (card->info.portname_required) | |
2623 | qeth_print_status_with_portname(card); | |
2624 | else | |
2625 | qeth_print_status_no_portname(card); | |
2626 | } | |
2627 | EXPORT_SYMBOL_GPL(qeth_print_status_message); | |
2628 | ||
4a71df50 FB |
2629 | static void qeth_initialize_working_pool_list(struct qeth_card *card) |
2630 | { | |
2631 | struct qeth_buffer_pool_entry *entry; | |
2632 | ||
847a50fd | 2633 | QETH_CARD_TEXT(card, 5, "inwrklst"); |
4a71df50 FB |
2634 | |
2635 | list_for_each_entry(entry, | |
2636 | &card->qdio.init_pool.entry_list, init_list) { | |
2637 | qeth_put_buffer_pool_entry(card, entry); | |
2638 | } | |
2639 | } | |
2640 | ||
2641 | static inline struct qeth_buffer_pool_entry *qeth_find_free_buffer_pool_entry( | |
2642 | struct qeth_card *card) | |
2643 | { | |
2644 | struct list_head *plh; | |
2645 | struct qeth_buffer_pool_entry *entry; | |
2646 | int i, free; | |
2647 | struct page *page; | |
2648 | ||
2649 | if (list_empty(&card->qdio.in_buf_pool.entry_list)) | |
2650 | return NULL; | |
2651 | ||
2652 | list_for_each(plh, &card->qdio.in_buf_pool.entry_list) { | |
2653 | entry = list_entry(plh, struct qeth_buffer_pool_entry, list); | |
2654 | free = 1; | |
2655 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { | |
2656 | if (page_count(virt_to_page(entry->elements[i])) > 1) { | |
2657 | free = 0; | |
2658 | break; | |
2659 | } | |
2660 | } | |
2661 | if (free) { | |
2662 | list_del_init(&entry->list); | |
2663 | return entry; | |
2664 | } | |
2665 | } | |
2666 | ||
2667 | /* no free buffer in pool so take first one and swap pages */ | |
2668 | entry = list_entry(card->qdio.in_buf_pool.entry_list.next, | |
2669 | struct qeth_buffer_pool_entry, list); | |
2670 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { | |
2671 | if (page_count(virt_to_page(entry->elements[i])) > 1) { | |
508b3c4f | 2672 | page = alloc_page(GFP_ATOMIC); |
4a71df50 FB |
2673 | if (!page) { |
2674 | return NULL; | |
2675 | } else { | |
2676 | free_page((unsigned long)entry->elements[i]); | |
2677 | entry->elements[i] = page_address(page); | |
2678 | if (card->options.performance_stats) | |
2679 | card->perf_stats.sg_alloc_page_rx++; | |
2680 | } | |
2681 | } | |
2682 | } | |
2683 | list_del_init(&entry->list); | |
2684 | return entry; | |
2685 | } | |
2686 | ||
2687 | static int qeth_init_input_buffer(struct qeth_card *card, | |
2688 | struct qeth_qdio_buffer *buf) | |
2689 | { | |
2690 | struct qeth_buffer_pool_entry *pool_entry; | |
2691 | int i; | |
2692 | ||
b3332930 FB |
2693 | if ((card->options.cq == QETH_CQ_ENABLED) && (!buf->rx_skb)) { |
2694 | buf->rx_skb = dev_alloc_skb(QETH_RX_PULL_LEN + ETH_HLEN); | |
2695 | if (!buf->rx_skb) | |
2696 | return 1; | |
2697 | } | |
2698 | ||
4a71df50 FB |
2699 | pool_entry = qeth_find_free_buffer_pool_entry(card); |
2700 | if (!pool_entry) | |
2701 | return 1; | |
2702 | ||
2703 | /* | |
2704 | * since the buffer is accessed only from the input_tasklet | |
2705 | * there shouldn't be a need to synchronize; also, since we use | |
2706 | * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off | |
2707 | * buffers | |
2708 | */ | |
4a71df50 FB |
2709 | |
2710 | buf->pool_entry = pool_entry; | |
2711 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { | |
2712 | buf->buffer->element[i].length = PAGE_SIZE; | |
2713 | buf->buffer->element[i].addr = pool_entry->elements[i]; | |
2714 | if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1) | |
3ec90878 | 2715 | buf->buffer->element[i].eflags = SBAL_EFLAGS_LAST_ENTRY; |
4a71df50 | 2716 | else |
3ec90878 JG |
2717 | buf->buffer->element[i].eflags = 0; |
2718 | buf->buffer->element[i].sflags = 0; | |
4a71df50 FB |
2719 | } |
2720 | return 0; | |
2721 | } | |
2722 | ||
2723 | int qeth_init_qdio_queues(struct qeth_card *card) | |
2724 | { | |
2725 | int i, j; | |
2726 | int rc; | |
2727 | ||
d11ba0c4 | 2728 | QETH_DBF_TEXT(SETUP, 2, "initqdqs"); |
4a71df50 FB |
2729 | |
2730 | /* inbound queue */ | |
2731 | memset(card->qdio.in_q->qdio_bufs, 0, | |
2732 | QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); | |
2733 | qeth_initialize_working_pool_list(card); | |
2734 | /*give only as many buffers to hardware as we have buffer pool entries*/ | |
2735 | for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i) | |
2736 | qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]); | |
2737 | card->qdio.in_q->next_buf_to_init = | |
2738 | card->qdio.in_buf_pool.buf_count - 1; | |
2739 | rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0, | |
779e6e1c | 2740 | card->qdio.in_buf_pool.buf_count - 1); |
4a71df50 | 2741 | if (rc) { |
d11ba0c4 | 2742 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
2743 | return rc; |
2744 | } | |
0da9581d EL |
2745 | |
2746 | /* completion */ | |
2747 | rc = qeth_cq_init(card); | |
2748 | if (rc) { | |
2749 | return rc; | |
2750 | } | |
2751 | ||
4a71df50 FB |
2752 | /* outbound queue */ |
2753 | for (i = 0; i < card->qdio.no_out_queues; ++i) { | |
2754 | memset(card->qdio.out_qs[i]->qdio_bufs, 0, | |
2755 | QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); | |
2756 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) { | |
2757 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
0da9581d EL |
2758 | card->qdio.out_qs[i]->bufs[j], |
2759 | QETH_QDIO_BUF_EMPTY); | |
4a71df50 FB |
2760 | } |
2761 | card->qdio.out_qs[i]->card = card; | |
2762 | card->qdio.out_qs[i]->next_buf_to_fill = 0; | |
2763 | card->qdio.out_qs[i]->do_pack = 0; | |
2764 | atomic_set(&card->qdio.out_qs[i]->used_buffers, 0); | |
2765 | atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0); | |
2766 | atomic_set(&card->qdio.out_qs[i]->state, | |
2767 | QETH_OUT_Q_UNLOCKED); | |
2768 | } | |
2769 | return 0; | |
2770 | } | |
2771 | EXPORT_SYMBOL_GPL(qeth_init_qdio_queues); | |
2772 | ||
2773 | static inline __u8 qeth_get_ipa_adp_type(enum qeth_link_types link_type) | |
2774 | { | |
2775 | switch (link_type) { | |
2776 | case QETH_LINK_TYPE_HSTR: | |
2777 | return 2; | |
2778 | default: | |
2779 | return 1; | |
2780 | } | |
2781 | } | |
2782 | ||
2783 | static void qeth_fill_ipacmd_header(struct qeth_card *card, | |
2784 | struct qeth_ipa_cmd *cmd, __u8 command, | |
2785 | enum qeth_prot_versions prot) | |
2786 | { | |
2787 | memset(cmd, 0, sizeof(struct qeth_ipa_cmd)); | |
2788 | cmd->hdr.command = command; | |
2789 | cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST; | |
2790 | cmd->hdr.seqno = card->seqno.ipa; | |
2791 | cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type); | |
2792 | cmd->hdr.rel_adapter_no = (__u8) card->info.portno; | |
2793 | if (card->options.layer2) | |
2794 | cmd->hdr.prim_version_no = 2; | |
2795 | else | |
2796 | cmd->hdr.prim_version_no = 1; | |
2797 | cmd->hdr.param_count = 1; | |
2798 | cmd->hdr.prot_version = prot; | |
2799 | cmd->hdr.ipa_supported = 0; | |
2800 | cmd->hdr.ipa_enabled = 0; | |
2801 | } | |
2802 | ||
2803 | struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *card, | |
2804 | enum qeth_ipa_cmds ipacmd, enum qeth_prot_versions prot) | |
2805 | { | |
2806 | struct qeth_cmd_buffer *iob; | |
2807 | struct qeth_ipa_cmd *cmd; | |
2808 | ||
2809 | iob = qeth_wait_for_buffer(&card->write); | |
2810 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2811 | qeth_fill_ipacmd_header(card, cmd, ipacmd, prot); | |
2812 | ||
2813 | return iob; | |
2814 | } | |
2815 | EXPORT_SYMBOL_GPL(qeth_get_ipacmd_buffer); | |
2816 | ||
2817 | void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
2818 | char prot_type) | |
2819 | { | |
2820 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2821 | memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data), &prot_type, 1); | |
2822 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2823 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2824 | } | |
2825 | EXPORT_SYMBOL_GPL(qeth_prepare_ipa_cmd); | |
2826 | ||
2827 | int qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
2828 | int (*reply_cb)(struct qeth_card *, struct qeth_reply*, | |
2829 | unsigned long), | |
2830 | void *reply_param) | |
2831 | { | |
2832 | int rc; | |
2833 | char prot_type; | |
4a71df50 | 2834 | |
847a50fd | 2835 | QETH_CARD_TEXT(card, 4, "sendipa"); |
4a71df50 FB |
2836 | |
2837 | if (card->options.layer2) | |
2838 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
2839 | prot_type = QETH_PROT_OSN2; | |
2840 | else | |
2841 | prot_type = QETH_PROT_LAYER2; | |
2842 | else | |
2843 | prot_type = QETH_PROT_TCPIP; | |
2844 | qeth_prepare_ipa_cmd(card, iob, prot_type); | |
d11ba0c4 PT |
2845 | rc = qeth_send_control_data(card, IPA_CMD_LENGTH, |
2846 | iob, reply_cb, reply_param); | |
908abbb5 UB |
2847 | if (rc == -ETIME) { |
2848 | qeth_clear_ipacmd_list(card); | |
2849 | qeth_schedule_recovery(card); | |
2850 | } | |
4a71df50 FB |
2851 | return rc; |
2852 | } | |
2853 | EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd); | |
2854 | ||
4a71df50 FB |
2855 | int qeth_send_startlan(struct qeth_card *card) |
2856 | { | |
2857 | int rc; | |
70919e23 | 2858 | struct qeth_cmd_buffer *iob; |
4a71df50 | 2859 | |
d11ba0c4 | 2860 | QETH_DBF_TEXT(SETUP, 2, "strtlan"); |
4a71df50 | 2861 | |
70919e23 UB |
2862 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_STARTLAN, 0); |
2863 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
4a71df50 FB |
2864 | return rc; |
2865 | } | |
2866 | EXPORT_SYMBOL_GPL(qeth_send_startlan); | |
2867 | ||
4a71df50 FB |
2868 | int qeth_default_setadapterparms_cb(struct qeth_card *card, |
2869 | struct qeth_reply *reply, unsigned long data) | |
2870 | { | |
2871 | struct qeth_ipa_cmd *cmd; | |
2872 | ||
847a50fd | 2873 | QETH_CARD_TEXT(card, 4, "defadpcb"); |
4a71df50 FB |
2874 | |
2875 | cmd = (struct qeth_ipa_cmd *) data; | |
2876 | if (cmd->hdr.return_code == 0) | |
2877 | cmd->hdr.return_code = | |
2878 | cmd->data.setadapterparms.hdr.return_code; | |
2879 | return 0; | |
2880 | } | |
2881 | EXPORT_SYMBOL_GPL(qeth_default_setadapterparms_cb); | |
2882 | ||
2883 | static int qeth_query_setadapterparms_cb(struct qeth_card *card, | |
2884 | struct qeth_reply *reply, unsigned long data) | |
2885 | { | |
2886 | struct qeth_ipa_cmd *cmd; | |
2887 | ||
847a50fd | 2888 | QETH_CARD_TEXT(card, 3, "quyadpcb"); |
4a71df50 FB |
2889 | |
2890 | cmd = (struct qeth_ipa_cmd *) data; | |
5113fec0 | 2891 | if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) { |
4a71df50 FB |
2892 | card->info.link_type = |
2893 | cmd->data.setadapterparms.data.query_cmds_supp.lan_type; | |
5113fec0 UB |
2894 | QETH_DBF_TEXT_(SETUP, 2, "lnk %d", card->info.link_type); |
2895 | } | |
4a71df50 FB |
2896 | card->options.adp.supported_funcs = |
2897 | cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds; | |
2898 | return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); | |
2899 | } | |
2900 | ||
2901 | struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card, | |
2902 | __u32 command, __u32 cmdlen) | |
2903 | { | |
2904 | struct qeth_cmd_buffer *iob; | |
2905 | struct qeth_ipa_cmd *cmd; | |
2906 | ||
2907 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETADAPTERPARMS, | |
2908 | QETH_PROT_IPV4); | |
2909 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2910 | cmd->data.setadapterparms.hdr.cmdlength = cmdlen; | |
2911 | cmd->data.setadapterparms.hdr.command_code = command; | |
2912 | cmd->data.setadapterparms.hdr.used_total = 1; | |
2913 | cmd->data.setadapterparms.hdr.seq_no = 1; | |
2914 | ||
2915 | return iob; | |
2916 | } | |
2917 | EXPORT_SYMBOL_GPL(qeth_get_adapter_cmd); | |
2918 | ||
2919 | int qeth_query_setadapterparms(struct qeth_card *card) | |
2920 | { | |
2921 | int rc; | |
2922 | struct qeth_cmd_buffer *iob; | |
2923 | ||
847a50fd | 2924 | QETH_CARD_TEXT(card, 3, "queryadp"); |
4a71df50 FB |
2925 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED, |
2926 | sizeof(struct qeth_ipacmd_setadpparms)); | |
2927 | rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL); | |
2928 | return rc; | |
2929 | } | |
2930 | EXPORT_SYMBOL_GPL(qeth_query_setadapterparms); | |
2931 | ||
1da74b1c FB |
2932 | static int qeth_query_ipassists_cb(struct qeth_card *card, |
2933 | struct qeth_reply *reply, unsigned long data) | |
2934 | { | |
2935 | struct qeth_ipa_cmd *cmd; | |
2936 | ||
2937 | QETH_DBF_TEXT(SETUP, 2, "qipasscb"); | |
2938 | ||
2939 | cmd = (struct qeth_ipa_cmd *) data; | |
2940 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) { | |
2941 | card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; | |
2942 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
2943 | } else { | |
2944 | card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; | |
2945 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
2946 | } | |
2947 | QETH_DBF_TEXT(SETUP, 2, "suppenbl"); | |
e0a8114c UB |
2948 | QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_supported); |
2949 | QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_enabled); | |
1da74b1c FB |
2950 | return 0; |
2951 | } | |
2952 | ||
2953 | int qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot) | |
2954 | { | |
2955 | int rc; | |
2956 | struct qeth_cmd_buffer *iob; | |
2957 | ||
2958 | QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot); | |
2959 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot); | |
2960 | rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL); | |
2961 | return rc; | |
2962 | } | |
2963 | EXPORT_SYMBOL_GPL(qeth_query_ipassists); | |
2964 | ||
2965 | static int qeth_query_setdiagass_cb(struct qeth_card *card, | |
2966 | struct qeth_reply *reply, unsigned long data) | |
2967 | { | |
2968 | struct qeth_ipa_cmd *cmd; | |
2969 | __u16 rc; | |
2970 | ||
2971 | cmd = (struct qeth_ipa_cmd *)data; | |
2972 | rc = cmd->hdr.return_code; | |
2973 | if (rc) | |
2974 | QETH_CARD_TEXT_(card, 2, "diagq:%x", rc); | |
2975 | else | |
2976 | card->info.diagass_support = cmd->data.diagass.ext; | |
2977 | return 0; | |
2978 | } | |
2979 | ||
2980 | static int qeth_query_setdiagass(struct qeth_card *card) | |
2981 | { | |
2982 | struct qeth_cmd_buffer *iob; | |
2983 | struct qeth_ipa_cmd *cmd; | |
2984 | ||
2985 | QETH_DBF_TEXT(SETUP, 2, "qdiagass"); | |
2986 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
2987 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2988 | cmd->data.diagass.subcmd_len = 16; | |
2989 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_QUERY; | |
2990 | return qeth_send_ipa_cmd(card, iob, qeth_query_setdiagass_cb, NULL); | |
2991 | } | |
2992 | ||
2993 | static void qeth_get_trap_id(struct qeth_card *card, struct qeth_trap_id *tid) | |
2994 | { | |
2995 | unsigned long info = get_zeroed_page(GFP_KERNEL); | |
2996 | struct sysinfo_2_2_2 *info222 = (struct sysinfo_2_2_2 *)info; | |
2997 | struct sysinfo_3_2_2 *info322 = (struct sysinfo_3_2_2 *)info; | |
2998 | struct ccw_dev_id ccwid; | |
2999 | int level, rc; | |
3000 | ||
3001 | tid->chpid = card->info.chpid; | |
3002 | ccw_device_get_id(CARD_RDEV(card), &ccwid); | |
3003 | tid->ssid = ccwid.ssid; | |
3004 | tid->devno = ccwid.devno; | |
3005 | if (!info) | |
3006 | return; | |
3007 | ||
3008 | rc = stsi(NULL, 0, 0, 0); | |
3009 | if (rc == -ENOSYS) | |
3010 | level = rc; | |
3011 | else | |
3012 | level = (((unsigned int) rc) >> 28); | |
3013 | ||
3014 | if ((level >= 2) && (stsi(info222, 2, 2, 2) != -ENOSYS)) | |
3015 | tid->lparnr = info222->lpar_number; | |
3016 | ||
3017 | if ((level >= 3) && (stsi(info322, 3, 2, 2) != -ENOSYS)) { | |
3018 | EBCASC(info322->vm[0].name, sizeof(info322->vm[0].name)); | |
3019 | memcpy(tid->vmname, info322->vm[0].name, sizeof(tid->vmname)); | |
3020 | } | |
3021 | free_page(info); | |
3022 | return; | |
3023 | } | |
3024 | ||
3025 | static int qeth_hw_trap_cb(struct qeth_card *card, | |
3026 | struct qeth_reply *reply, unsigned long data) | |
3027 | { | |
3028 | struct qeth_ipa_cmd *cmd; | |
3029 | __u16 rc; | |
3030 | ||
3031 | cmd = (struct qeth_ipa_cmd *)data; | |
3032 | rc = cmd->hdr.return_code; | |
3033 | if (rc) | |
3034 | QETH_CARD_TEXT_(card, 2, "trapc:%x", rc); | |
3035 | return 0; | |
3036 | } | |
3037 | ||
3038 | int qeth_hw_trap(struct qeth_card *card, enum qeth_diags_trap_action action) | |
3039 | { | |
3040 | struct qeth_cmd_buffer *iob; | |
3041 | struct qeth_ipa_cmd *cmd; | |
3042 | ||
3043 | QETH_DBF_TEXT(SETUP, 2, "diagtrap"); | |
3044 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
3045 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
3046 | cmd->data.diagass.subcmd_len = 80; | |
3047 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRAP; | |
3048 | cmd->data.diagass.type = 1; | |
3049 | cmd->data.diagass.action = action; | |
3050 | switch (action) { | |
3051 | case QETH_DIAGS_TRAP_ARM: | |
3052 | cmd->data.diagass.options = 0x0003; | |
3053 | cmd->data.diagass.ext = 0x00010000 + | |
3054 | sizeof(struct qeth_trap_id); | |
3055 | qeth_get_trap_id(card, | |
3056 | (struct qeth_trap_id *)cmd->data.diagass.cdata); | |
3057 | break; | |
3058 | case QETH_DIAGS_TRAP_DISARM: | |
3059 | cmd->data.diagass.options = 0x0001; | |
3060 | break; | |
3061 | case QETH_DIAGS_TRAP_CAPTURE: | |
3062 | break; | |
3063 | } | |
3064 | return qeth_send_ipa_cmd(card, iob, qeth_hw_trap_cb, NULL); | |
3065 | } | |
3066 | EXPORT_SYMBOL_GPL(qeth_hw_trap); | |
3067 | ||
76b11f8e UB |
3068 | int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf, |
3069 | unsigned int qdio_error, const char *dbftext) | |
4a71df50 | 3070 | { |
779e6e1c | 3071 | if (qdio_error) { |
847a50fd | 3072 | QETH_CARD_TEXT(card, 2, dbftext); |
38593d01 | 3073 | QETH_CARD_TEXT_(card, 2, " F15=%02X", |
3ec90878 | 3074 | buf->element[15].sflags); |
38593d01 | 3075 | QETH_CARD_TEXT_(card, 2, " F14=%02X", |
3ec90878 | 3076 | buf->element[14].sflags); |
38593d01 | 3077 | QETH_CARD_TEXT_(card, 2, " qerr=%X", qdio_error); |
3ec90878 | 3078 | if ((buf->element[15].sflags) == 0x12) { |
76b11f8e UB |
3079 | card->stats.rx_dropped++; |
3080 | return 0; | |
3081 | } else | |
3082 | return 1; | |
4a71df50 FB |
3083 | } |
3084 | return 0; | |
3085 | } | |
3086 | EXPORT_SYMBOL_GPL(qeth_check_qdio_errors); | |
3087 | ||
b3332930 FB |
3088 | void qeth_buffer_reclaim_work(struct work_struct *work) |
3089 | { | |
3090 | struct qeth_card *card = container_of(work, struct qeth_card, | |
3091 | buffer_reclaim_work.work); | |
3092 | ||
3093 | QETH_CARD_TEXT_(card, 2, "brw:%x", card->reclaim_index); | |
3094 | qeth_queue_input_buffer(card, card->reclaim_index); | |
3095 | } | |
3096 | ||
4a71df50 FB |
3097 | void qeth_queue_input_buffer(struct qeth_card *card, int index) |
3098 | { | |
3099 | struct qeth_qdio_q *queue = card->qdio.in_q; | |
b3332930 | 3100 | struct list_head *lh; |
4a71df50 FB |
3101 | int count; |
3102 | int i; | |
3103 | int rc; | |
3104 | int newcount = 0; | |
3105 | ||
4a71df50 FB |
3106 | count = (index < queue->next_buf_to_init)? |
3107 | card->qdio.in_buf_pool.buf_count - | |
3108 | (queue->next_buf_to_init - index) : | |
3109 | card->qdio.in_buf_pool.buf_count - | |
3110 | (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index); | |
3111 | /* only requeue at a certain threshold to avoid SIGAs */ | |
3112 | if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)) { | |
3113 | for (i = queue->next_buf_to_init; | |
3114 | i < queue->next_buf_to_init + count; ++i) { | |
3115 | if (qeth_init_input_buffer(card, | |
3116 | &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) { | |
3117 | break; | |
3118 | } else { | |
3119 | newcount++; | |
3120 | } | |
3121 | } | |
3122 | ||
3123 | if (newcount < count) { | |
3124 | /* we are in memory shortage so we switch back to | |
3125 | traditional skb allocation and drop packages */ | |
4a71df50 FB |
3126 | atomic_set(&card->force_alloc_skb, 3); |
3127 | count = newcount; | |
3128 | } else { | |
4a71df50 FB |
3129 | atomic_add_unless(&card->force_alloc_skb, -1, 0); |
3130 | } | |
3131 | ||
b3332930 FB |
3132 | if (!count) { |
3133 | i = 0; | |
3134 | list_for_each(lh, &card->qdio.in_buf_pool.entry_list) | |
3135 | i++; | |
3136 | if (i == card->qdio.in_buf_pool.buf_count) { | |
3137 | QETH_CARD_TEXT(card, 2, "qsarbw"); | |
3138 | card->reclaim_index = index; | |
3139 | schedule_delayed_work( | |
3140 | &card->buffer_reclaim_work, | |
3141 | QETH_RECLAIM_WORK_TIME); | |
3142 | } | |
3143 | return; | |
3144 | } | |
3145 | ||
4a71df50 FB |
3146 | /* |
3147 | * according to old code it should be avoided to requeue all | |
3148 | * 128 buffers in order to benefit from PCI avoidance. | |
3149 | * this function keeps at least one buffer (the buffer at | |
3150 | * 'index') un-requeued -> this buffer is the first buffer that | |
3151 | * will be requeued the next time | |
3152 | */ | |
3153 | if (card->options.performance_stats) { | |
3154 | card->perf_stats.inbound_do_qdio_cnt++; | |
3155 | card->perf_stats.inbound_do_qdio_start_time = | |
3156 | qeth_get_micros(); | |
3157 | } | |
779e6e1c JG |
3158 | rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, |
3159 | queue->next_buf_to_init, count); | |
4a71df50 FB |
3160 | if (card->options.performance_stats) |
3161 | card->perf_stats.inbound_do_qdio_time += | |
3162 | qeth_get_micros() - | |
3163 | card->perf_stats.inbound_do_qdio_start_time; | |
3164 | if (rc) { | |
847a50fd | 3165 | QETH_CARD_TEXT(card, 2, "qinberr"); |
4a71df50 FB |
3166 | } |
3167 | queue->next_buf_to_init = (queue->next_buf_to_init + count) % | |
3168 | QDIO_MAX_BUFFERS_PER_Q; | |
3169 | } | |
3170 | } | |
3171 | EXPORT_SYMBOL_GPL(qeth_queue_input_buffer); | |
3172 | ||
3173 | static int qeth_handle_send_error(struct qeth_card *card, | |
779e6e1c | 3174 | struct qeth_qdio_out_buffer *buffer, unsigned int qdio_err) |
4a71df50 | 3175 | { |
3ec90878 | 3176 | int sbalf15 = buffer->buffer->element[15].sflags; |
4a71df50 | 3177 | |
847a50fd | 3178 | QETH_CARD_TEXT(card, 6, "hdsnderr"); |
58490f18 KDW |
3179 | if (card->info.type == QETH_CARD_TYPE_IQD) { |
3180 | if (sbalf15 == 0) { | |
3181 | qdio_err = 0; | |
3182 | } else { | |
3183 | qdio_err = 1; | |
3184 | } | |
3185 | } | |
76b11f8e | 3186 | qeth_check_qdio_errors(card, buffer->buffer, qdio_err, "qouterr"); |
d303b6fd JG |
3187 | |
3188 | if (!qdio_err) | |
4a71df50 | 3189 | return QETH_SEND_ERROR_NONE; |
d303b6fd JG |
3190 | |
3191 | if ((sbalf15 >= 15) && (sbalf15 <= 31)) | |
3192 | return QETH_SEND_ERROR_RETRY; | |
3193 | ||
847a50fd CO |
3194 | QETH_CARD_TEXT(card, 1, "lnkfail"); |
3195 | QETH_CARD_TEXT_(card, 1, "%04x %02x", | |
d303b6fd JG |
3196 | (u16)qdio_err, (u8)sbalf15); |
3197 | return QETH_SEND_ERROR_LINK_FAILURE; | |
4a71df50 FB |
3198 | } |
3199 | ||
3200 | /* | |
3201 | * Switched to packing state if the number of used buffers on a queue | |
3202 | * reaches a certain limit. | |
3203 | */ | |
3204 | static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue) | |
3205 | { | |
3206 | if (!queue->do_pack) { | |
3207 | if (atomic_read(&queue->used_buffers) | |
3208 | >= QETH_HIGH_WATERMARK_PACK){ | |
3209 | /* switch non-PACKING -> PACKING */ | |
847a50fd | 3210 | QETH_CARD_TEXT(queue->card, 6, "np->pack"); |
4a71df50 FB |
3211 | if (queue->card->options.performance_stats) |
3212 | queue->card->perf_stats.sc_dp_p++; | |
3213 | queue->do_pack = 1; | |
3214 | } | |
3215 | } | |
3216 | } | |
3217 | ||
3218 | /* | |
3219 | * Switches from packing to non-packing mode. If there is a packing | |
3220 | * buffer on the queue this buffer will be prepared to be flushed. | |
3221 | * In that case 1 is returned to inform the caller. If no buffer | |
3222 | * has to be flushed, zero is returned. | |
3223 | */ | |
3224 | static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) | |
3225 | { | |
3226 | struct qeth_qdio_out_buffer *buffer; | |
3227 | int flush_count = 0; | |
3228 | ||
3229 | if (queue->do_pack) { | |
3230 | if (atomic_read(&queue->used_buffers) | |
3231 | <= QETH_LOW_WATERMARK_PACK) { | |
3232 | /* switch PACKING -> non-PACKING */ | |
847a50fd | 3233 | QETH_CARD_TEXT(queue->card, 6, "pack->np"); |
4a71df50 FB |
3234 | if (queue->card->options.performance_stats) |
3235 | queue->card->perf_stats.sc_p_dp++; | |
3236 | queue->do_pack = 0; | |
3237 | /* flush packing buffers */ | |
0da9581d | 3238 | buffer = queue->bufs[queue->next_buf_to_fill]; |
4a71df50 FB |
3239 | if ((atomic_read(&buffer->state) == |
3240 | QETH_QDIO_BUF_EMPTY) && | |
3241 | (buffer->next_element_to_fill > 0)) { | |
3242 | atomic_set(&buffer->state, | |
0da9581d | 3243 | QETH_QDIO_BUF_PRIMED); |
4a71df50 FB |
3244 | flush_count++; |
3245 | queue->next_buf_to_fill = | |
3246 | (queue->next_buf_to_fill + 1) % | |
3247 | QDIO_MAX_BUFFERS_PER_Q; | |
3248 | } | |
3249 | } | |
3250 | } | |
3251 | return flush_count; | |
3252 | } | |
3253 | ||
0da9581d | 3254 | |
4a71df50 FB |
3255 | /* |
3256 | * Called to flush a packing buffer if no more pci flags are on the queue. | |
3257 | * Checks if there is a packing buffer and prepares it to be flushed. | |
3258 | * In that case returns 1, otherwise zero. | |
3259 | */ | |
3260 | static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue) | |
3261 | { | |
3262 | struct qeth_qdio_out_buffer *buffer; | |
3263 | ||
0da9581d | 3264 | buffer = queue->bufs[queue->next_buf_to_fill]; |
4a71df50 FB |
3265 | if ((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) && |
3266 | (buffer->next_element_to_fill > 0)) { | |
3267 | /* it's a packing buffer */ | |
3268 | atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); | |
3269 | queue->next_buf_to_fill = | |
3270 | (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; | |
3271 | return 1; | |
3272 | } | |
3273 | return 0; | |
3274 | } | |
3275 | ||
779e6e1c JG |
3276 | static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, |
3277 | int count) | |
4a71df50 FB |
3278 | { |
3279 | struct qeth_qdio_out_buffer *buf; | |
3280 | int rc; | |
3281 | int i; | |
3282 | unsigned int qdio_flags; | |
3283 | ||
4a71df50 | 3284 | for (i = index; i < index + count; ++i) { |
0da9581d EL |
3285 | int bidx = i % QDIO_MAX_BUFFERS_PER_Q; |
3286 | buf = queue->bufs[bidx]; | |
3ec90878 JG |
3287 | buf->buffer->element[buf->next_element_to_fill - 1].eflags |= |
3288 | SBAL_EFLAGS_LAST_ENTRY; | |
4a71df50 | 3289 | |
0da9581d EL |
3290 | if (queue->bufstates) |
3291 | queue->bufstates[bidx].user = buf; | |
3292 | ||
4a71df50 FB |
3293 | if (queue->card->info.type == QETH_CARD_TYPE_IQD) |
3294 | continue; | |
3295 | ||
3296 | if (!queue->do_pack) { | |
3297 | if ((atomic_read(&queue->used_buffers) >= | |
3298 | (QETH_HIGH_WATERMARK_PACK - | |
3299 | QETH_WATERMARK_PACK_FUZZ)) && | |
3300 | !atomic_read(&queue->set_pci_flags_count)) { | |
3301 | /* it's likely that we'll go to packing | |
3302 | * mode soon */ | |
3303 | atomic_inc(&queue->set_pci_flags_count); | |
3ec90878 | 3304 | buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ; |
4a71df50 FB |
3305 | } |
3306 | } else { | |
3307 | if (!atomic_read(&queue->set_pci_flags_count)) { | |
3308 | /* | |
3309 | * there's no outstanding PCI any more, so we | |
3310 | * have to request a PCI to be sure the the PCI | |
3311 | * will wake at some time in the future then we | |
3312 | * can flush packed buffers that might still be | |
3313 | * hanging around, which can happen if no | |
3314 | * further send was requested by the stack | |
3315 | */ | |
3316 | atomic_inc(&queue->set_pci_flags_count); | |
3ec90878 | 3317 | buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ; |
4a71df50 FB |
3318 | } |
3319 | } | |
3320 | } | |
3321 | ||
3322 | queue->card->dev->trans_start = jiffies; | |
3323 | if (queue->card->options.performance_stats) { | |
3324 | queue->card->perf_stats.outbound_do_qdio_cnt++; | |
3325 | queue->card->perf_stats.outbound_do_qdio_start_time = | |
3326 | qeth_get_micros(); | |
3327 | } | |
3328 | qdio_flags = QDIO_FLAG_SYNC_OUTPUT; | |
4a71df50 FB |
3329 | if (atomic_read(&queue->set_pci_flags_count)) |
3330 | qdio_flags |= QDIO_FLAG_PCI_OUT; | |
3331 | rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags, | |
779e6e1c | 3332 | queue->queue_no, index, count); |
4a71df50 FB |
3333 | if (queue->card->options.performance_stats) |
3334 | queue->card->perf_stats.outbound_do_qdio_time += | |
3335 | qeth_get_micros() - | |
3336 | queue->card->perf_stats.outbound_do_qdio_start_time; | |
aa3a41d0 | 3337 | atomic_add(count, &queue->used_buffers); |
4a71df50 | 3338 | if (rc) { |
d303b6fd JG |
3339 | queue->card->stats.tx_errors += count; |
3340 | /* ignore temporary SIGA errors without busy condition */ | |
3341 | if (rc == QDIO_ERROR_SIGA_TARGET) | |
3342 | return; | |
847a50fd | 3343 | QETH_CARD_TEXT(queue->card, 2, "flushbuf"); |
0da9581d EL |
3344 | QETH_CARD_TEXT_(queue->card, 2, " q%d", queue->queue_no); |
3345 | QETH_CARD_TEXT_(queue->card, 2, " idx%d", index); | |
3346 | QETH_CARD_TEXT_(queue->card, 2, " c%d", count); | |
847a50fd | 3347 | QETH_CARD_TEXT_(queue->card, 2, " err%d", rc); |
d303b6fd | 3348 | |
4a71df50 FB |
3349 | /* this must not happen under normal circumstances. if it |
3350 | * happens something is really wrong -> recover */ | |
3351 | qeth_schedule_recovery(queue->card); | |
3352 | return; | |
3353 | } | |
4a71df50 FB |
3354 | if (queue->card->options.performance_stats) |
3355 | queue->card->perf_stats.bufs_sent += count; | |
3356 | } | |
3357 | ||
3358 | static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue) | |
3359 | { | |
3360 | int index; | |
3361 | int flush_cnt = 0; | |
3362 | int q_was_packing = 0; | |
3363 | ||
3364 | /* | |
3365 | * check if weed have to switch to non-packing mode or if | |
3366 | * we have to get a pci flag out on the queue | |
3367 | */ | |
3368 | if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) || | |
3369 | !atomic_read(&queue->set_pci_flags_count)) { | |
3370 | if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) == | |
3371 | QETH_OUT_Q_UNLOCKED) { | |
3372 | /* | |
3373 | * If we get in here, there was no action in | |
3374 | * do_send_packet. So, we check if there is a | |
3375 | * packing buffer to be flushed here. | |
3376 | */ | |
3377 | netif_stop_queue(queue->card->dev); | |
3378 | index = queue->next_buf_to_fill; | |
3379 | q_was_packing = queue->do_pack; | |
3380 | /* queue->do_pack may change */ | |
3381 | barrier(); | |
3382 | flush_cnt += qeth_switch_to_nonpacking_if_needed(queue); | |
3383 | if (!flush_cnt && | |
3384 | !atomic_read(&queue->set_pci_flags_count)) | |
3385 | flush_cnt += | |
3386 | qeth_flush_buffers_on_no_pci(queue); | |
3387 | if (queue->card->options.performance_stats && | |
3388 | q_was_packing) | |
3389 | queue->card->perf_stats.bufs_sent_pack += | |
3390 | flush_cnt; | |
3391 | if (flush_cnt) | |
779e6e1c | 3392 | qeth_flush_buffers(queue, index, flush_cnt); |
4a71df50 FB |
3393 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); |
3394 | } | |
3395 | } | |
3396 | } | |
3397 | ||
a1c3ed4c FB |
3398 | void qeth_qdio_start_poll(struct ccw_device *ccwdev, int queue, |
3399 | unsigned long card_ptr) | |
3400 | { | |
3401 | struct qeth_card *card = (struct qeth_card *)card_ptr; | |
3402 | ||
0cffef48 | 3403 | if (card->dev && (card->dev->flags & IFF_UP)) |
a1c3ed4c FB |
3404 | napi_schedule(&card->napi); |
3405 | } | |
3406 | EXPORT_SYMBOL_GPL(qeth_qdio_start_poll); | |
3407 | ||
0da9581d EL |
3408 | int qeth_configure_cq(struct qeth_card *card, enum qeth_cq cq) |
3409 | { | |
3410 | int rc; | |
3411 | ||
3412 | if (card->options.cq == QETH_CQ_NOTAVAILABLE) { | |
3413 | rc = -1; | |
3414 | goto out; | |
3415 | } else { | |
3416 | if (card->options.cq == cq) { | |
3417 | rc = 0; | |
3418 | goto out; | |
3419 | } | |
3420 | ||
3421 | if (card->state != CARD_STATE_DOWN && | |
3422 | card->state != CARD_STATE_RECOVER) { | |
3423 | rc = -1; | |
3424 | goto out; | |
3425 | } | |
3426 | ||
3427 | qeth_free_qdio_buffers(card); | |
3428 | card->options.cq = cq; | |
3429 | rc = 0; | |
3430 | } | |
3431 | out: | |
3432 | return rc; | |
3433 | ||
3434 | } | |
3435 | EXPORT_SYMBOL_GPL(qeth_configure_cq); | |
3436 | ||
3437 | ||
3438 | static void qeth_qdio_cq_handler(struct qeth_card *card, | |
3439 | unsigned int qdio_err, | |
3440 | unsigned int queue, int first_element, int count) { | |
3441 | struct qeth_qdio_q *cq = card->qdio.c_q; | |
3442 | int i; | |
3443 | int rc; | |
3444 | ||
3445 | if (!qeth_is_cq(card, queue)) | |
3446 | goto out; | |
3447 | ||
3448 | QETH_CARD_TEXT_(card, 5, "qcqhe%d", first_element); | |
3449 | QETH_CARD_TEXT_(card, 5, "qcqhc%d", count); | |
3450 | QETH_CARD_TEXT_(card, 5, "qcqherr%d", qdio_err); | |
3451 | ||
3452 | if (qdio_err) { | |
3453 | netif_stop_queue(card->dev); | |
3454 | qeth_schedule_recovery(card); | |
3455 | goto out; | |
3456 | } | |
3457 | ||
3458 | if (card->options.performance_stats) { | |
3459 | card->perf_stats.cq_cnt++; | |
3460 | card->perf_stats.cq_start_time = qeth_get_micros(); | |
3461 | } | |
3462 | ||
3463 | for (i = first_element; i < first_element + count; ++i) { | |
3464 | int bidx = i % QDIO_MAX_BUFFERS_PER_Q; | |
3465 | struct qdio_buffer *buffer = &cq->qdio_bufs[bidx]; | |
3466 | int e; | |
3467 | ||
3468 | e = 0; | |
3469 | while (buffer->element[e].addr) { | |
3470 | unsigned long phys_aob_addr; | |
3471 | ||
3472 | phys_aob_addr = (unsigned long) buffer->element[e].addr; | |
3473 | qeth_qdio_handle_aob(card, phys_aob_addr); | |
3474 | buffer->element[e].addr = NULL; | |
3475 | buffer->element[e].eflags = 0; | |
3476 | buffer->element[e].sflags = 0; | |
3477 | buffer->element[e].length = 0; | |
3478 | ||
3479 | ++e; | |
3480 | } | |
3481 | ||
3482 | buffer->element[15].eflags = 0; | |
3483 | buffer->element[15].sflags = 0; | |
3484 | } | |
3485 | rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, queue, | |
3486 | card->qdio.c_q->next_buf_to_init, | |
3487 | count); | |
3488 | if (rc) { | |
3489 | dev_warn(&card->gdev->dev, | |
3490 | "QDIO reported an error, rc=%i\n", rc); | |
3491 | QETH_CARD_TEXT(card, 2, "qcqherr"); | |
3492 | } | |
3493 | card->qdio.c_q->next_buf_to_init = (card->qdio.c_q->next_buf_to_init | |
3494 | + count) % QDIO_MAX_BUFFERS_PER_Q; | |
3495 | ||
3496 | netif_wake_queue(card->dev); | |
3497 | ||
3498 | if (card->options.performance_stats) { | |
3499 | int delta_t = qeth_get_micros(); | |
3500 | delta_t -= card->perf_stats.cq_start_time; | |
3501 | card->perf_stats.cq_time += delta_t; | |
3502 | } | |
3503 | out: | |
3504 | return; | |
3505 | } | |
3506 | ||
a1c3ed4c | 3507 | void qeth_qdio_input_handler(struct ccw_device *ccwdev, unsigned int qdio_err, |
0da9581d | 3508 | unsigned int queue, int first_elem, int count, |
a1c3ed4c FB |
3509 | unsigned long card_ptr) |
3510 | { | |
3511 | struct qeth_card *card = (struct qeth_card *)card_ptr; | |
3512 | ||
0da9581d EL |
3513 | QETH_CARD_TEXT_(card, 2, "qihq%d", queue); |
3514 | QETH_CARD_TEXT_(card, 2, "qiec%d", qdio_err); | |
3515 | ||
3516 | if (qeth_is_cq(card, queue)) | |
3517 | qeth_qdio_cq_handler(card, qdio_err, queue, first_elem, count); | |
3518 | else if (qdio_err) | |
a1c3ed4c | 3519 | qeth_schedule_recovery(card); |
0da9581d EL |
3520 | |
3521 | ||
a1c3ed4c FB |
3522 | } |
3523 | EXPORT_SYMBOL_GPL(qeth_qdio_input_handler); | |
3524 | ||
779e6e1c JG |
3525 | void qeth_qdio_output_handler(struct ccw_device *ccwdev, |
3526 | unsigned int qdio_error, int __queue, int first_element, | |
3527 | int count, unsigned long card_ptr) | |
4a71df50 FB |
3528 | { |
3529 | struct qeth_card *card = (struct qeth_card *) card_ptr; | |
3530 | struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; | |
3531 | struct qeth_qdio_out_buffer *buffer; | |
3532 | int i; | |
3533 | ||
847a50fd | 3534 | QETH_CARD_TEXT(card, 6, "qdouhdl"); |
779e6e1c | 3535 | if (qdio_error & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) { |
847a50fd | 3536 | QETH_CARD_TEXT(card, 2, "achkcond"); |
779e6e1c JG |
3537 | netif_stop_queue(card->dev); |
3538 | qeth_schedule_recovery(card); | |
3539 | return; | |
4a71df50 FB |
3540 | } |
3541 | if (card->options.performance_stats) { | |
3542 | card->perf_stats.outbound_handler_cnt++; | |
3543 | card->perf_stats.outbound_handler_start_time = | |
3544 | qeth_get_micros(); | |
3545 | } | |
3546 | for (i = first_element; i < (first_element + count); ++i) { | |
0da9581d EL |
3547 | int bidx = i % QDIO_MAX_BUFFERS_PER_Q; |
3548 | buffer = queue->bufs[bidx]; | |
b67d801f | 3549 | qeth_handle_send_error(card, buffer, qdio_error); |
0da9581d EL |
3550 | |
3551 | if (queue->bufstates && | |
3552 | (queue->bufstates[bidx].flags & | |
3553 | QDIO_OUTBUF_STATE_FLAG_PENDING) != 0) { | |
b3332930 FB |
3554 | BUG_ON(card->options.cq != QETH_CQ_ENABLED); |
3555 | ||
3556 | if (atomic_cmpxchg(&buffer->state, | |
3557 | QETH_QDIO_BUF_PRIMED, | |
3558 | QETH_QDIO_BUF_PENDING) == | |
3559 | QETH_QDIO_BUF_PRIMED) { | |
3560 | qeth_notify_skbs(queue, buffer, | |
3561 | TX_NOTIFY_PENDING); | |
3562 | } | |
0da9581d EL |
3563 | buffer->aob = queue->bufstates[bidx].aob; |
3564 | QETH_CARD_TEXT_(queue->card, 5, "pel%d", bidx); | |
b3332930 | 3565 | QETH_CARD_TEXT(queue->card, 5, "aob"); |
0da9581d EL |
3566 | QETH_CARD_TEXT_(queue->card, 5, "%lx", |
3567 | virt_to_phys(buffer->aob)); | |
3568 | BUG_ON(bidx < 0 || bidx >= QDIO_MAX_BUFFERS_PER_Q); | |
b3332930 FB |
3569 | if (qeth_init_qdio_out_buf(queue, bidx)) { |
3570 | QETH_CARD_TEXT(card, 2, "outofbuf"); | |
0da9581d | 3571 | qeth_schedule_recovery(card); |
b3332930 | 3572 | } |
0da9581d | 3573 | } else { |
b3332930 FB |
3574 | if (card->options.cq == QETH_CQ_ENABLED) { |
3575 | enum iucv_tx_notify n; | |
3576 | ||
3577 | n = qeth_compute_cq_notification( | |
3578 | buffer->buffer->element[15].sflags, 0); | |
3579 | qeth_notify_skbs(queue, buffer, n); | |
3580 | } | |
3581 | ||
0da9581d EL |
3582 | qeth_clear_output_buffer(queue, buffer, |
3583 | QETH_QDIO_BUF_EMPTY); | |
3584 | } | |
3585 | qeth_cleanup_handled_pending(queue, bidx, 0); | |
4a71df50 FB |
3586 | } |
3587 | atomic_sub(count, &queue->used_buffers); | |
3588 | /* check if we need to do something on this outbound queue */ | |
3589 | if (card->info.type != QETH_CARD_TYPE_IQD) | |
3590 | qeth_check_outbound_queue(queue); | |
3591 | ||
3592 | netif_wake_queue(queue->card->dev); | |
3593 | if (card->options.performance_stats) | |
3594 | card->perf_stats.outbound_handler_time += qeth_get_micros() - | |
3595 | card->perf_stats.outbound_handler_start_time; | |
3596 | } | |
3597 | EXPORT_SYMBOL_GPL(qeth_qdio_output_handler); | |
3598 | ||
4a71df50 FB |
3599 | int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb, |
3600 | int ipv, int cast_type) | |
3601 | { | |
5113fec0 UB |
3602 | if (!ipv && (card->info.type == QETH_CARD_TYPE_OSD || |
3603 | card->info.type == QETH_CARD_TYPE_OSX)) | |
4a71df50 FB |
3604 | return card->qdio.default_out_queue; |
3605 | switch (card->qdio.no_out_queues) { | |
3606 | case 4: | |
3607 | if (cast_type && card->info.is_multicast_different) | |
3608 | return card->info.is_multicast_different & | |
3609 | (card->qdio.no_out_queues - 1); | |
3610 | if (card->qdio.do_prio_queueing && (ipv == 4)) { | |
3611 | const u8 tos = ip_hdr(skb)->tos; | |
3612 | ||
3613 | if (card->qdio.do_prio_queueing == | |
3614 | QETH_PRIO_Q_ING_TOS) { | |
3615 | if (tos & IP_TOS_NOTIMPORTANT) | |
3616 | return 3; | |
3617 | if (tos & IP_TOS_HIGHRELIABILITY) | |
3618 | return 2; | |
3619 | if (tos & IP_TOS_HIGHTHROUGHPUT) | |
3620 | return 1; | |
3621 | if (tos & IP_TOS_LOWDELAY) | |
3622 | return 0; | |
3623 | } | |
3624 | if (card->qdio.do_prio_queueing == | |
3625 | QETH_PRIO_Q_ING_PREC) | |
3626 | return 3 - (tos >> 6); | |
3627 | } else if (card->qdio.do_prio_queueing && (ipv == 6)) { | |
3628 | /* TODO: IPv6!!! */ | |
3629 | } | |
3630 | return card->qdio.default_out_queue; | |
3631 | case 1: /* fallthrough for single-out-queue 1920-device */ | |
3632 | default: | |
3633 | return card->qdio.default_out_queue; | |
3634 | } | |
3635 | } | |
3636 | EXPORT_SYMBOL_GPL(qeth_get_priority_queue); | |
3637 | ||
4a71df50 FB |
3638 | int qeth_get_elements_no(struct qeth_card *card, void *hdr, |
3639 | struct sk_buff *skb, int elems) | |
3640 | { | |
51aa165c FB |
3641 | int dlen = skb->len - skb->data_len; |
3642 | int elements_needed = PFN_UP((unsigned long)skb->data + dlen - 1) - | |
3643 | PFN_DOWN((unsigned long)skb->data); | |
4a71df50 | 3644 | |
51aa165c | 3645 | elements_needed += skb_shinfo(skb)->nr_frags; |
4a71df50 | 3646 | if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)) { |
14cc21b6 | 3647 | QETH_DBF_MESSAGE(2, "Invalid size of IP packet " |
4a71df50 FB |
3648 | "(Number=%d / Length=%d). Discarded.\n", |
3649 | (elements_needed+elems), skb->len); | |
3650 | return 0; | |
3651 | } | |
3652 | return elements_needed; | |
3653 | } | |
3654 | EXPORT_SYMBOL_GPL(qeth_get_elements_no); | |
3655 | ||
51aa165c FB |
3656 | int qeth_hdr_chk_and_bounce(struct sk_buff *skb, int len) |
3657 | { | |
3658 | int hroom, inpage, rest; | |
3659 | ||
3660 | if (((unsigned long)skb->data & PAGE_MASK) != | |
3661 | (((unsigned long)skb->data + len - 1) & PAGE_MASK)) { | |
3662 | hroom = skb_headroom(skb); | |
3663 | inpage = PAGE_SIZE - ((unsigned long) skb->data % PAGE_SIZE); | |
3664 | rest = len - inpage; | |
3665 | if (rest > hroom) | |
3666 | return 1; | |
3667 | memmove(skb->data - rest, skb->data, skb->len - skb->data_len); | |
3668 | skb->data -= rest; | |
3669 | QETH_DBF_MESSAGE(2, "skb bounce len: %d rest: %d\n", len, rest); | |
3670 | } | |
3671 | return 0; | |
3672 | } | |
3673 | EXPORT_SYMBOL_GPL(qeth_hdr_chk_and_bounce); | |
3674 | ||
f90b744e | 3675 | static inline void __qeth_fill_buffer(struct sk_buff *skb, |
683d718a FB |
3676 | struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill, |
3677 | int offset) | |
4a71df50 | 3678 | { |
51aa165c | 3679 | int length = skb->len - skb->data_len; |
4a71df50 FB |
3680 | int length_here; |
3681 | int element; | |
3682 | char *data; | |
51aa165c FB |
3683 | int first_lap, cnt; |
3684 | struct skb_frag_struct *frag; | |
4a71df50 FB |
3685 | |
3686 | element = *next_element_to_fill; | |
3687 | data = skb->data; | |
3688 | first_lap = (is_tso == 0 ? 1 : 0); | |
3689 | ||
683d718a FB |
3690 | if (offset >= 0) { |
3691 | data = skb->data + offset; | |
e1f03ae8 | 3692 | length -= offset; |
683d718a FB |
3693 | first_lap = 0; |
3694 | } | |
3695 | ||
4a71df50 FB |
3696 | while (length > 0) { |
3697 | /* length_here is the remaining amount of data in this page */ | |
3698 | length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE); | |
3699 | if (length < length_here) | |
3700 | length_here = length; | |
3701 | ||
3702 | buffer->element[element].addr = data; | |
3703 | buffer->element[element].length = length_here; | |
3704 | length -= length_here; | |
3705 | if (!length) { | |
3706 | if (first_lap) | |
51aa165c | 3707 | if (skb_shinfo(skb)->nr_frags) |
3ec90878 JG |
3708 | buffer->element[element].eflags = |
3709 | SBAL_EFLAGS_FIRST_FRAG; | |
51aa165c | 3710 | else |
3ec90878 | 3711 | buffer->element[element].eflags = 0; |
4a71df50 | 3712 | else |
3ec90878 JG |
3713 | buffer->element[element].eflags = |
3714 | SBAL_EFLAGS_MIDDLE_FRAG; | |
4a71df50 FB |
3715 | } else { |
3716 | if (first_lap) | |
3ec90878 JG |
3717 | buffer->element[element].eflags = |
3718 | SBAL_EFLAGS_FIRST_FRAG; | |
4a71df50 | 3719 | else |
3ec90878 JG |
3720 | buffer->element[element].eflags = |
3721 | SBAL_EFLAGS_MIDDLE_FRAG; | |
4a71df50 FB |
3722 | } |
3723 | data += length_here; | |
3724 | element++; | |
3725 | first_lap = 0; | |
3726 | } | |
51aa165c FB |
3727 | |
3728 | for (cnt = 0; cnt < skb_shinfo(skb)->nr_frags; cnt++) { | |
3729 | frag = &skb_shinfo(skb)->frags[cnt]; | |
8d36bb0d IC |
3730 | buffer->element[element].addr = (char *) |
3731 | page_to_phys(skb_frag_page(frag)) | |
51aa165c FB |
3732 | + frag->page_offset; |
3733 | buffer->element[element].length = frag->size; | |
3ec90878 | 3734 | buffer->element[element].eflags = SBAL_EFLAGS_MIDDLE_FRAG; |
51aa165c FB |
3735 | element++; |
3736 | } | |
3737 | ||
3ec90878 JG |
3738 | if (buffer->element[element - 1].eflags) |
3739 | buffer->element[element - 1].eflags = SBAL_EFLAGS_LAST_FRAG; | |
4a71df50 FB |
3740 | *next_element_to_fill = element; |
3741 | } | |
3742 | ||
f90b744e | 3743 | static inline int qeth_fill_buffer(struct qeth_qdio_out_q *queue, |
683d718a FB |
3744 | struct qeth_qdio_out_buffer *buf, struct sk_buff *skb, |
3745 | struct qeth_hdr *hdr, int offset, int hd_len) | |
4a71df50 FB |
3746 | { |
3747 | struct qdio_buffer *buffer; | |
4a71df50 FB |
3748 | int flush_cnt = 0, hdr_len, large_send = 0; |
3749 | ||
4a71df50 FB |
3750 | buffer = buf->buffer; |
3751 | atomic_inc(&skb->users); | |
3752 | skb_queue_tail(&buf->skb_list, skb); | |
3753 | ||
4a71df50 | 3754 | /*check first on TSO ....*/ |
683d718a | 3755 | if (hdr->hdr.l3.id == QETH_HEADER_TYPE_TSO) { |
4a71df50 FB |
3756 | int element = buf->next_element_to_fill; |
3757 | ||
683d718a FB |
3758 | hdr_len = sizeof(struct qeth_hdr_tso) + |
3759 | ((struct qeth_hdr_tso *)hdr)->ext.dg_hdr_len; | |
4a71df50 FB |
3760 | /*fill first buffer entry only with header information */ |
3761 | buffer->element[element].addr = skb->data; | |
3762 | buffer->element[element].length = hdr_len; | |
3ec90878 | 3763 | buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG; |
4a71df50 FB |
3764 | buf->next_element_to_fill++; |
3765 | skb->data += hdr_len; | |
3766 | skb->len -= hdr_len; | |
3767 | large_send = 1; | |
3768 | } | |
683d718a FB |
3769 | |
3770 | if (offset >= 0) { | |
3771 | int element = buf->next_element_to_fill; | |
3772 | buffer->element[element].addr = hdr; | |
3773 | buffer->element[element].length = sizeof(struct qeth_hdr) + | |
3774 | hd_len; | |
3ec90878 | 3775 | buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG; |
683d718a FB |
3776 | buf->is_header[element] = 1; |
3777 | buf->next_element_to_fill++; | |
3778 | } | |
3779 | ||
51aa165c FB |
3780 | __qeth_fill_buffer(skb, buffer, large_send, |
3781 | (int *)&buf->next_element_to_fill, offset); | |
4a71df50 FB |
3782 | |
3783 | if (!queue->do_pack) { | |
847a50fd | 3784 | QETH_CARD_TEXT(queue->card, 6, "fillbfnp"); |
4a71df50 FB |
3785 | /* set state to PRIMED -> will be flushed */ |
3786 | atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); | |
3787 | flush_cnt = 1; | |
3788 | } else { | |
847a50fd | 3789 | QETH_CARD_TEXT(queue->card, 6, "fillbfpa"); |
4a71df50 FB |
3790 | if (queue->card->options.performance_stats) |
3791 | queue->card->perf_stats.skbs_sent_pack++; | |
3792 | if (buf->next_element_to_fill >= | |
3793 | QETH_MAX_BUFFER_ELEMENTS(queue->card)) { | |
3794 | /* | |
3795 | * packed buffer if full -> set state PRIMED | |
3796 | * -> will be flushed | |
3797 | */ | |
3798 | atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); | |
3799 | flush_cnt = 1; | |
3800 | } | |
3801 | } | |
3802 | return flush_cnt; | |
3803 | } | |
3804 | ||
3805 | int qeth_do_send_packet_fast(struct qeth_card *card, | |
3806 | struct qeth_qdio_out_q *queue, struct sk_buff *skb, | |
3807 | struct qeth_hdr *hdr, int elements_needed, | |
64ef8957 | 3808 | int offset, int hd_len) |
4a71df50 FB |
3809 | { |
3810 | struct qeth_qdio_out_buffer *buffer; | |
4a71df50 FB |
3811 | int index; |
3812 | ||
4a71df50 FB |
3813 | /* spin until we get the queue ... */ |
3814 | while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, | |
3815 | QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); | |
3816 | /* ... now we've got the queue */ | |
3817 | index = queue->next_buf_to_fill; | |
0da9581d | 3818 | buffer = queue->bufs[queue->next_buf_to_fill]; |
4a71df50 FB |
3819 | /* |
3820 | * check if buffer is empty to make sure that we do not 'overtake' | |
3821 | * ourselves and try to fill a buffer that is already primed | |
3822 | */ | |
3823 | if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) | |
3824 | goto out; | |
64ef8957 | 3825 | queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % |
4a71df50 | 3826 | QDIO_MAX_BUFFERS_PER_Q; |
4a71df50 | 3827 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); |
64ef8957 FB |
3828 | qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len); |
3829 | qeth_flush_buffers(queue, index, 1); | |
4a71df50 FB |
3830 | return 0; |
3831 | out: | |
3832 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
3833 | return -EBUSY; | |
3834 | } | |
3835 | EXPORT_SYMBOL_GPL(qeth_do_send_packet_fast); | |
3836 | ||
3837 | int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, | |
3838 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
64ef8957 | 3839 | int elements_needed) |
4a71df50 FB |
3840 | { |
3841 | struct qeth_qdio_out_buffer *buffer; | |
3842 | int start_index; | |
3843 | int flush_count = 0; | |
3844 | int do_pack = 0; | |
3845 | int tmp; | |
3846 | int rc = 0; | |
3847 | ||
4a71df50 FB |
3848 | /* spin until we get the queue ... */ |
3849 | while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, | |
3850 | QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); | |
3851 | start_index = queue->next_buf_to_fill; | |
0da9581d | 3852 | buffer = queue->bufs[queue->next_buf_to_fill]; |
4a71df50 FB |
3853 | /* |
3854 | * check if buffer is empty to make sure that we do not 'overtake' | |
3855 | * ourselves and try to fill a buffer that is already primed | |
3856 | */ | |
3857 | if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) { | |
3858 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
3859 | return -EBUSY; | |
3860 | } | |
3861 | /* check if we need to switch packing state of this queue */ | |
3862 | qeth_switch_to_packing_if_needed(queue); | |
3863 | if (queue->do_pack) { | |
3864 | do_pack = 1; | |
64ef8957 FB |
3865 | /* does packet fit in current buffer? */ |
3866 | if ((QETH_MAX_BUFFER_ELEMENTS(card) - | |
3867 | buffer->next_element_to_fill) < elements_needed) { | |
3868 | /* ... no -> set state PRIMED */ | |
3869 | atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); | |
3870 | flush_count++; | |
3871 | queue->next_buf_to_fill = | |
3872 | (queue->next_buf_to_fill + 1) % | |
3873 | QDIO_MAX_BUFFERS_PER_Q; | |
0da9581d | 3874 | buffer = queue->bufs[queue->next_buf_to_fill]; |
64ef8957 FB |
3875 | /* we did a step forward, so check buffer state |
3876 | * again */ | |
3877 | if (atomic_read(&buffer->state) != | |
3878 | QETH_QDIO_BUF_EMPTY) { | |
3879 | qeth_flush_buffers(queue, start_index, | |
779e6e1c | 3880 | flush_count); |
64ef8957 | 3881 | atomic_set(&queue->state, |
4a71df50 | 3882 | QETH_OUT_Q_UNLOCKED); |
64ef8957 | 3883 | return -EBUSY; |
4a71df50 FB |
3884 | } |
3885 | } | |
3886 | } | |
64ef8957 | 3887 | tmp = qeth_fill_buffer(queue, buffer, skb, hdr, -1, 0); |
4a71df50 FB |
3888 | queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) % |
3889 | QDIO_MAX_BUFFERS_PER_Q; | |
3890 | flush_count += tmp; | |
4a71df50 | 3891 | if (flush_count) |
779e6e1c | 3892 | qeth_flush_buffers(queue, start_index, flush_count); |
4a71df50 FB |
3893 | else if (!atomic_read(&queue->set_pci_flags_count)) |
3894 | atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH); | |
3895 | /* | |
3896 | * queue->state will go from LOCKED -> UNLOCKED or from | |
3897 | * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us | |
3898 | * (switch packing state or flush buffer to get another pci flag out). | |
3899 | * In that case we will enter this loop | |
3900 | */ | |
3901 | while (atomic_dec_return(&queue->state)) { | |
3902 | flush_count = 0; | |
3903 | start_index = queue->next_buf_to_fill; | |
3904 | /* check if we can go back to non-packing state */ | |
3905 | flush_count += qeth_switch_to_nonpacking_if_needed(queue); | |
3906 | /* | |
3907 | * check if we need to flush a packing buffer to get a pci | |
3908 | * flag out on the queue | |
3909 | */ | |
3910 | if (!flush_count && !atomic_read(&queue->set_pci_flags_count)) | |
3911 | flush_count += qeth_flush_buffers_on_no_pci(queue); | |
3912 | if (flush_count) | |
779e6e1c | 3913 | qeth_flush_buffers(queue, start_index, flush_count); |
4a71df50 FB |
3914 | } |
3915 | /* at this point the queue is UNLOCKED again */ | |
3916 | if (queue->card->options.performance_stats && do_pack) | |
3917 | queue->card->perf_stats.bufs_sent_pack += flush_count; | |
3918 | ||
3919 | return rc; | |
3920 | } | |
3921 | EXPORT_SYMBOL_GPL(qeth_do_send_packet); | |
3922 | ||
3923 | static int qeth_setadp_promisc_mode_cb(struct qeth_card *card, | |
3924 | struct qeth_reply *reply, unsigned long data) | |
3925 | { | |
3926 | struct qeth_ipa_cmd *cmd; | |
3927 | struct qeth_ipacmd_setadpparms *setparms; | |
3928 | ||
847a50fd | 3929 | QETH_CARD_TEXT(card, 4, "prmadpcb"); |
4a71df50 FB |
3930 | |
3931 | cmd = (struct qeth_ipa_cmd *) data; | |
3932 | setparms = &(cmd->data.setadapterparms); | |
3933 | ||
3934 | qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); | |
3935 | if (cmd->hdr.return_code) { | |
847a50fd | 3936 | QETH_CARD_TEXT_(card, 4, "prmrc%2.2x", cmd->hdr.return_code); |
4a71df50 FB |
3937 | setparms->data.mode = SET_PROMISC_MODE_OFF; |
3938 | } | |
3939 | card->info.promisc_mode = setparms->data.mode; | |
3940 | return 0; | |
3941 | } | |
3942 | ||
3943 | void qeth_setadp_promisc_mode(struct qeth_card *card) | |
3944 | { | |
3945 | enum qeth_ipa_promisc_modes mode; | |
3946 | struct net_device *dev = card->dev; | |
3947 | struct qeth_cmd_buffer *iob; | |
3948 | struct qeth_ipa_cmd *cmd; | |
3949 | ||
847a50fd | 3950 | QETH_CARD_TEXT(card, 4, "setprom"); |
4a71df50 FB |
3951 | |
3952 | if (((dev->flags & IFF_PROMISC) && | |
3953 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
3954 | (!(dev->flags & IFF_PROMISC) && | |
3955 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
3956 | return; | |
3957 | mode = SET_PROMISC_MODE_OFF; | |
3958 | if (dev->flags & IFF_PROMISC) | |
3959 | mode = SET_PROMISC_MODE_ON; | |
847a50fd | 3960 | QETH_CARD_TEXT_(card, 4, "mode:%x", mode); |
4a71df50 FB |
3961 | |
3962 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE, | |
3963 | sizeof(struct qeth_ipacmd_setadpparms)); | |
3964 | cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE); | |
3965 | cmd->data.setadapterparms.data.mode = mode; | |
3966 | qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL); | |
3967 | } | |
3968 | EXPORT_SYMBOL_GPL(qeth_setadp_promisc_mode); | |
3969 | ||
3970 | int qeth_change_mtu(struct net_device *dev, int new_mtu) | |
3971 | { | |
3972 | struct qeth_card *card; | |
3973 | char dbf_text[15]; | |
3974 | ||
509e2562 | 3975 | card = dev->ml_priv; |
4a71df50 | 3976 | |
847a50fd | 3977 | QETH_CARD_TEXT(card, 4, "chgmtu"); |
4a71df50 | 3978 | sprintf(dbf_text, "%8x", new_mtu); |
847a50fd | 3979 | QETH_CARD_TEXT(card, 4, dbf_text); |
4a71df50 FB |
3980 | |
3981 | if (new_mtu < 64) | |
3982 | return -EINVAL; | |
3983 | if (new_mtu > 65535) | |
3984 | return -EINVAL; | |
3985 | if ((!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) && | |
3986 | (!qeth_mtu_is_valid(card, new_mtu))) | |
3987 | return -EINVAL; | |
3988 | dev->mtu = new_mtu; | |
3989 | return 0; | |
3990 | } | |
3991 | EXPORT_SYMBOL_GPL(qeth_change_mtu); | |
3992 | ||
3993 | struct net_device_stats *qeth_get_stats(struct net_device *dev) | |
3994 | { | |
3995 | struct qeth_card *card; | |
3996 | ||
509e2562 | 3997 | card = dev->ml_priv; |
4a71df50 | 3998 | |
847a50fd | 3999 | QETH_CARD_TEXT(card, 5, "getstat"); |
4a71df50 FB |
4000 | |
4001 | return &card->stats; | |
4002 | } | |
4003 | EXPORT_SYMBOL_GPL(qeth_get_stats); | |
4004 | ||
4005 | static int qeth_setadpparms_change_macaddr_cb(struct qeth_card *card, | |
4006 | struct qeth_reply *reply, unsigned long data) | |
4007 | { | |
4008 | struct qeth_ipa_cmd *cmd; | |
4009 | ||
847a50fd | 4010 | QETH_CARD_TEXT(card, 4, "chgmaccb"); |
4a71df50 FB |
4011 | |
4012 | cmd = (struct qeth_ipa_cmd *) data; | |
4013 | if (!card->options.layer2 || | |
4014 | !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) { | |
4015 | memcpy(card->dev->dev_addr, | |
4016 | &cmd->data.setadapterparms.data.change_addr.addr, | |
4017 | OSA_ADDR_LEN); | |
4018 | card->info.mac_bits |= QETH_LAYER2_MAC_READ; | |
4019 | } | |
4020 | qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); | |
4021 | return 0; | |
4022 | } | |
4023 | ||
4024 | int qeth_setadpparms_change_macaddr(struct qeth_card *card) | |
4025 | { | |
4026 | int rc; | |
4027 | struct qeth_cmd_buffer *iob; | |
4028 | struct qeth_ipa_cmd *cmd; | |
4029 | ||
847a50fd | 4030 | QETH_CARD_TEXT(card, 4, "chgmac"); |
4a71df50 FB |
4031 | |
4032 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_ALTER_MAC_ADDRESS, | |
4033 | sizeof(struct qeth_ipacmd_setadpparms)); | |
4034 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
4035 | cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC; | |
4036 | cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN; | |
4037 | memcpy(&cmd->data.setadapterparms.data.change_addr.addr, | |
4038 | card->dev->dev_addr, OSA_ADDR_LEN); | |
4039 | rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb, | |
4040 | NULL); | |
4041 | return rc; | |
4042 | } | |
4043 | EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr); | |
4044 | ||
d64ecc22 EL |
4045 | static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card, |
4046 | struct qeth_reply *reply, unsigned long data) | |
4047 | { | |
4048 | struct qeth_ipa_cmd *cmd; | |
4049 | struct qeth_set_access_ctrl *access_ctrl_req; | |
d64ecc22 | 4050 | |
847a50fd | 4051 | QETH_CARD_TEXT(card, 4, "setaccb"); |
d64ecc22 EL |
4052 | |
4053 | cmd = (struct qeth_ipa_cmd *) data; | |
4054 | access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl; | |
4055 | QETH_DBF_TEXT_(SETUP, 2, "setaccb"); | |
4056 | QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name); | |
4057 | QETH_DBF_TEXT_(SETUP, 2, "rc=%d", | |
4058 | cmd->data.setadapterparms.hdr.return_code); | |
4059 | switch (cmd->data.setadapterparms.hdr.return_code) { | |
4060 | case SET_ACCESS_CTRL_RC_SUCCESS: | |
4061 | case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED: | |
4062 | case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED: | |
4063 | { | |
4064 | card->options.isolation = access_ctrl_req->subcmd_code; | |
4065 | if (card->options.isolation == ISOLATION_MODE_NONE) { | |
4066 | dev_info(&card->gdev->dev, | |
4067 | "QDIO data connection isolation is deactivated\n"); | |
4068 | } else { | |
4069 | dev_info(&card->gdev->dev, | |
4070 | "QDIO data connection isolation is activated\n"); | |
4071 | } | |
4072 | QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n", | |
4073 | card->gdev->dev.kobj.name, | |
4074 | access_ctrl_req->subcmd_code, | |
4075 | cmd->data.setadapterparms.hdr.return_code); | |
d64ecc22 EL |
4076 | break; |
4077 | } | |
4078 | case SET_ACCESS_CTRL_RC_NOT_SUPPORTED: | |
4079 | { | |
4080 | QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n", | |
4081 | card->gdev->dev.kobj.name, | |
4082 | access_ctrl_req->subcmd_code, | |
4083 | cmd->data.setadapterparms.hdr.return_code); | |
4084 | dev_err(&card->gdev->dev, "Adapter does not " | |
4085 | "support QDIO data connection isolation\n"); | |
4086 | ||
4087 | /* ensure isolation mode is "none" */ | |
4088 | card->options.isolation = ISOLATION_MODE_NONE; | |
d64ecc22 EL |
4089 | break; |
4090 | } | |
4091 | case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER: | |
4092 | { | |
4093 | QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n", | |
4094 | card->gdev->dev.kobj.name, | |
4095 | access_ctrl_req->subcmd_code, | |
4096 | cmd->data.setadapterparms.hdr.return_code); | |
4097 | dev_err(&card->gdev->dev, | |
4098 | "Adapter is dedicated. " | |
4099 | "QDIO data connection isolation not supported\n"); | |
4100 | ||
4101 | /* ensure isolation mode is "none" */ | |
4102 | card->options.isolation = ISOLATION_MODE_NONE; | |
d64ecc22 EL |
4103 | break; |
4104 | } | |
4105 | case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF: | |
4106 | { | |
4107 | QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n", | |
4108 | card->gdev->dev.kobj.name, | |
4109 | access_ctrl_req->subcmd_code, | |
4110 | cmd->data.setadapterparms.hdr.return_code); | |
4111 | dev_err(&card->gdev->dev, | |
4112 | "TSO does not permit QDIO data connection isolation\n"); | |
4113 | ||
4114 | /* ensure isolation mode is "none" */ | |
4115 | card->options.isolation = ISOLATION_MODE_NONE; | |
d64ecc22 EL |
4116 | break; |
4117 | } | |
4118 | default: | |
4119 | { | |
4120 | /* this should never happen */ | |
4121 | QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d" | |
4122 | "==UNKNOWN\n", | |
4123 | card->gdev->dev.kobj.name, | |
4124 | access_ctrl_req->subcmd_code, | |
4125 | cmd->data.setadapterparms.hdr.return_code); | |
4126 | ||
4127 | /* ensure isolation mode is "none" */ | |
4128 | card->options.isolation = ISOLATION_MODE_NONE; | |
d64ecc22 EL |
4129 | break; |
4130 | } | |
4131 | } | |
4132 | qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); | |
bbb822a8 | 4133 | return 0; |
d64ecc22 EL |
4134 | } |
4135 | ||
4136 | static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card, | |
4137 | enum qeth_ipa_isolation_modes isolation) | |
4138 | { | |
4139 | int rc; | |
4140 | struct qeth_cmd_buffer *iob; | |
4141 | struct qeth_ipa_cmd *cmd; | |
4142 | struct qeth_set_access_ctrl *access_ctrl_req; | |
4143 | ||
847a50fd | 4144 | QETH_CARD_TEXT(card, 4, "setacctl"); |
d64ecc22 EL |
4145 | |
4146 | QETH_DBF_TEXT_(SETUP, 2, "setacctl"); | |
4147 | QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name); | |
4148 | ||
4149 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_ACCESS_CONTROL, | |
4150 | sizeof(struct qeth_ipacmd_setadpparms_hdr) + | |
4151 | sizeof(struct qeth_set_access_ctrl)); | |
4152 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
4153 | access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl; | |
4154 | access_ctrl_req->subcmd_code = isolation; | |
4155 | ||
4156 | rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb, | |
4157 | NULL); | |
4158 | QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc); | |
4159 | return rc; | |
4160 | } | |
4161 | ||
4162 | int qeth_set_access_ctrl_online(struct qeth_card *card) | |
4163 | { | |
4164 | int rc = 0; | |
4165 | ||
847a50fd | 4166 | QETH_CARD_TEXT(card, 4, "setactlo"); |
d64ecc22 | 4167 | |
5113fec0 UB |
4168 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
4169 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4170 | qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) { | |
d64ecc22 EL |
4171 | rc = qeth_setadpparms_set_access_ctrl(card, |
4172 | card->options.isolation); | |
4173 | if (rc) { | |
4174 | QETH_DBF_MESSAGE(3, | |
5113fec0 | 4175 | "IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n", |
d64ecc22 EL |
4176 | card->gdev->dev.kobj.name, |
4177 | rc); | |
4178 | } | |
4179 | } else if (card->options.isolation != ISOLATION_MODE_NONE) { | |
4180 | card->options.isolation = ISOLATION_MODE_NONE; | |
4181 | ||
4182 | dev_err(&card->gdev->dev, "Adapter does not " | |
4183 | "support QDIO data connection isolation\n"); | |
4184 | rc = -EOPNOTSUPP; | |
4185 | } | |
4186 | return rc; | |
4187 | } | |
4188 | EXPORT_SYMBOL_GPL(qeth_set_access_ctrl_online); | |
4189 | ||
4a71df50 FB |
4190 | void qeth_tx_timeout(struct net_device *dev) |
4191 | { | |
4192 | struct qeth_card *card; | |
4193 | ||
509e2562 | 4194 | card = dev->ml_priv; |
847a50fd | 4195 | QETH_CARD_TEXT(card, 4, "txtimeo"); |
4a71df50 FB |
4196 | card->stats.tx_errors++; |
4197 | qeth_schedule_recovery(card); | |
4198 | } | |
4199 | EXPORT_SYMBOL_GPL(qeth_tx_timeout); | |
4200 | ||
4201 | int qeth_mdio_read(struct net_device *dev, int phy_id, int regnum) | |
4202 | { | |
509e2562 | 4203 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
4204 | int rc = 0; |
4205 | ||
4206 | switch (regnum) { | |
4207 | case MII_BMCR: /* Basic mode control register */ | |
4208 | rc = BMCR_FULLDPLX; | |
4209 | if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH) && | |
4210 | (card->info.link_type != QETH_LINK_TYPE_OSN) && | |
4211 | (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH)) | |
4212 | rc |= BMCR_SPEED100; | |
4213 | break; | |
4214 | case MII_BMSR: /* Basic mode status register */ | |
4215 | rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS | | |
4216 | BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL | | |
4217 | BMSR_100BASE4; | |
4218 | break; | |
4219 | case MII_PHYSID1: /* PHYS ID 1 */ | |
4220 | rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) | | |
4221 | dev->dev_addr[2]; | |
4222 | rc = (rc >> 5) & 0xFFFF; | |
4223 | break; | |
4224 | case MII_PHYSID2: /* PHYS ID 2 */ | |
4225 | rc = (dev->dev_addr[2] << 10) & 0xFFFF; | |
4226 | break; | |
4227 | case MII_ADVERTISE: /* Advertisement control reg */ | |
4228 | rc = ADVERTISE_ALL; | |
4229 | break; | |
4230 | case MII_LPA: /* Link partner ability reg */ | |
4231 | rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL | | |
4232 | LPA_100BASE4 | LPA_LPACK; | |
4233 | break; | |
4234 | case MII_EXPANSION: /* Expansion register */ | |
4235 | break; | |
4236 | case MII_DCOUNTER: /* disconnect counter */ | |
4237 | break; | |
4238 | case MII_FCSCOUNTER: /* false carrier counter */ | |
4239 | break; | |
4240 | case MII_NWAYTEST: /* N-way auto-neg test register */ | |
4241 | break; | |
4242 | case MII_RERRCOUNTER: /* rx error counter */ | |
4243 | rc = card->stats.rx_errors; | |
4244 | break; | |
4245 | case MII_SREVISION: /* silicon revision */ | |
4246 | break; | |
4247 | case MII_RESV1: /* reserved 1 */ | |
4248 | break; | |
4249 | case MII_LBRERROR: /* loopback, rx, bypass error */ | |
4250 | break; | |
4251 | case MII_PHYADDR: /* physical address */ | |
4252 | break; | |
4253 | case MII_RESV2: /* reserved 2 */ | |
4254 | break; | |
4255 | case MII_TPISTATUS: /* TPI status for 10mbps */ | |
4256 | break; | |
4257 | case MII_NCONFIG: /* network interface config */ | |
4258 | break; | |
4259 | default: | |
4260 | break; | |
4261 | } | |
4262 | return rc; | |
4263 | } | |
4264 | EXPORT_SYMBOL_GPL(qeth_mdio_read); | |
4265 | ||
4266 | static int qeth_send_ipa_snmp_cmd(struct qeth_card *card, | |
4267 | struct qeth_cmd_buffer *iob, int len, | |
4268 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
4269 | unsigned long), | |
4270 | void *reply_param) | |
4271 | { | |
4272 | u16 s1, s2; | |
4273 | ||
847a50fd | 4274 | QETH_CARD_TEXT(card, 4, "sendsnmp"); |
4a71df50 FB |
4275 | |
4276 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
4277 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
4278 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
4279 | /* adjust PDU length fields in IPA_PDU_HEADER */ | |
4280 | s1 = (u32) IPA_PDU_HEADER_SIZE + len; | |
4281 | s2 = (u32) len; | |
4282 | memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); | |
4283 | memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); | |
4284 | memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); | |
4285 | memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); | |
4286 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
4287 | reply_cb, reply_param); | |
4288 | } | |
4289 | ||
4290 | static int qeth_snmp_command_cb(struct qeth_card *card, | |
4291 | struct qeth_reply *reply, unsigned long sdata) | |
4292 | { | |
4293 | struct qeth_ipa_cmd *cmd; | |
4294 | struct qeth_arp_query_info *qinfo; | |
4295 | struct qeth_snmp_cmd *snmp; | |
4296 | unsigned char *data; | |
4297 | __u16 data_len; | |
4298 | ||
847a50fd | 4299 | QETH_CARD_TEXT(card, 3, "snpcmdcb"); |
4a71df50 FB |
4300 | |
4301 | cmd = (struct qeth_ipa_cmd *) sdata; | |
4302 | data = (unsigned char *)((char *)cmd - reply->offset); | |
4303 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
4304 | snmp = &cmd->data.setadapterparms.data.snmp; | |
4305 | ||
4306 | if (cmd->hdr.return_code) { | |
847a50fd | 4307 | QETH_CARD_TEXT_(card, 4, "scer1%i", cmd->hdr.return_code); |
4a71df50 FB |
4308 | return 0; |
4309 | } | |
4310 | if (cmd->data.setadapterparms.hdr.return_code) { | |
4311 | cmd->hdr.return_code = | |
4312 | cmd->data.setadapterparms.hdr.return_code; | |
847a50fd | 4313 | QETH_CARD_TEXT_(card, 4, "scer2%i", cmd->hdr.return_code); |
4a71df50 FB |
4314 | return 0; |
4315 | } | |
4316 | data_len = *((__u16 *)QETH_IPA_PDU_LEN_PDU1(data)); | |
4317 | if (cmd->data.setadapterparms.hdr.seq_no == 1) | |
4318 | data_len -= (__u16)((char *)&snmp->data - (char *)cmd); | |
4319 | else | |
4320 | data_len -= (__u16)((char *)&snmp->request - (char *)cmd); | |
4321 | ||
4322 | /* check if there is enough room in userspace */ | |
4323 | if ((qinfo->udata_len - qinfo->udata_offset) < data_len) { | |
847a50fd | 4324 | QETH_CARD_TEXT_(card, 4, "scer3%i", -ENOMEM); |
e0a8114c | 4325 | cmd->hdr.return_code = IPA_RC_ENOMEM; |
4a71df50 FB |
4326 | return 0; |
4327 | } | |
847a50fd | 4328 | QETH_CARD_TEXT_(card, 4, "snore%i", |
4a71df50 | 4329 | cmd->data.setadapterparms.hdr.used_total); |
847a50fd | 4330 | QETH_CARD_TEXT_(card, 4, "sseqn%i", |
4a71df50 FB |
4331 | cmd->data.setadapterparms.hdr.seq_no); |
4332 | /*copy entries to user buffer*/ | |
4333 | if (cmd->data.setadapterparms.hdr.seq_no == 1) { | |
4334 | memcpy(qinfo->udata + qinfo->udata_offset, | |
4335 | (char *)snmp, | |
4336 | data_len + offsetof(struct qeth_snmp_cmd, data)); | |
4337 | qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data); | |
4338 | } else { | |
4339 | memcpy(qinfo->udata + qinfo->udata_offset, | |
4340 | (char *)&snmp->request, data_len); | |
4341 | } | |
4342 | qinfo->udata_offset += data_len; | |
4343 | /* check if all replies received ... */ | |
847a50fd | 4344 | QETH_CARD_TEXT_(card, 4, "srtot%i", |
4a71df50 | 4345 | cmd->data.setadapterparms.hdr.used_total); |
847a50fd | 4346 | QETH_CARD_TEXT_(card, 4, "srseq%i", |
4a71df50 FB |
4347 | cmd->data.setadapterparms.hdr.seq_no); |
4348 | if (cmd->data.setadapterparms.hdr.seq_no < | |
4349 | cmd->data.setadapterparms.hdr.used_total) | |
4350 | return 1; | |
4351 | return 0; | |
4352 | } | |
4353 | ||
4354 | int qeth_snmp_command(struct qeth_card *card, char __user *udata) | |
4355 | { | |
4356 | struct qeth_cmd_buffer *iob; | |
4357 | struct qeth_ipa_cmd *cmd; | |
4358 | struct qeth_snmp_ureq *ureq; | |
4359 | int req_len; | |
4360 | struct qeth_arp_query_info qinfo = {0, }; | |
4361 | int rc = 0; | |
4362 | ||
847a50fd | 4363 | QETH_CARD_TEXT(card, 3, "snmpcmd"); |
4a71df50 FB |
4364 | |
4365 | if (card->info.guestlan) | |
4366 | return -EOPNOTSUPP; | |
4367 | ||
4368 | if ((!qeth_adp_supported(card, IPA_SETADP_SET_SNMP_CONTROL)) && | |
4369 | (!card->options.layer2)) { | |
4a71df50 FB |
4370 | return -EOPNOTSUPP; |
4371 | } | |
4372 | /* skip 4 bytes (data_len struct member) to get req_len */ | |
4373 | if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int))) | |
4374 | return -EFAULT; | |
4986f3f0 JL |
4375 | ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr)); |
4376 | if (IS_ERR(ureq)) { | |
847a50fd | 4377 | QETH_CARD_TEXT(card, 2, "snmpnome"); |
4986f3f0 | 4378 | return PTR_ERR(ureq); |
4a71df50 FB |
4379 | } |
4380 | qinfo.udata_len = ureq->hdr.data_len; | |
4381 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); | |
4382 | if (!qinfo.udata) { | |
4383 | kfree(ureq); | |
4384 | return -ENOMEM; | |
4385 | } | |
4386 | qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr); | |
4387 | ||
4388 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL, | |
4389 | QETH_SNMP_SETADP_CMDLENGTH + req_len); | |
4390 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
4391 | memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len); | |
4392 | rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len, | |
4393 | qeth_snmp_command_cb, (void *)&qinfo); | |
4394 | if (rc) | |
14cc21b6 | 4395 | QETH_DBF_MESSAGE(2, "SNMP command failed on %s: (0x%x)\n", |
4a71df50 FB |
4396 | QETH_CARD_IFNAME(card), rc); |
4397 | else { | |
4398 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) | |
4399 | rc = -EFAULT; | |
4400 | } | |
4401 | ||
4402 | kfree(ureq); | |
4403 | kfree(qinfo.udata); | |
4404 | return rc; | |
4405 | } | |
4406 | EXPORT_SYMBOL_GPL(qeth_snmp_command); | |
4407 | ||
c3ab96f3 FB |
4408 | static int qeth_setadpparms_query_oat_cb(struct qeth_card *card, |
4409 | struct qeth_reply *reply, unsigned long data) | |
4410 | { | |
4411 | struct qeth_ipa_cmd *cmd; | |
4412 | struct qeth_qoat_priv *priv; | |
4413 | char *resdata; | |
4414 | int resdatalen; | |
4415 | ||
4416 | QETH_CARD_TEXT(card, 3, "qoatcb"); | |
4417 | ||
4418 | cmd = (struct qeth_ipa_cmd *)data; | |
4419 | priv = (struct qeth_qoat_priv *)reply->param; | |
4420 | resdatalen = cmd->data.setadapterparms.hdr.cmdlength; | |
4421 | resdata = (char *)data + 28; | |
4422 | ||
4423 | if (resdatalen > (priv->buffer_len - priv->response_len)) { | |
4424 | cmd->hdr.return_code = IPA_RC_FFFF; | |
4425 | return 0; | |
4426 | } | |
4427 | ||
4428 | memcpy((priv->buffer + priv->response_len), resdata, | |
4429 | resdatalen); | |
4430 | priv->response_len += resdatalen; | |
4431 | ||
4432 | if (cmd->data.setadapterparms.hdr.seq_no < | |
4433 | cmd->data.setadapterparms.hdr.used_total) | |
4434 | return 1; | |
4435 | return 0; | |
4436 | } | |
4437 | ||
4438 | int qeth_query_oat_command(struct qeth_card *card, char __user *udata) | |
4439 | { | |
4440 | int rc = 0; | |
4441 | struct qeth_cmd_buffer *iob; | |
4442 | struct qeth_ipa_cmd *cmd; | |
4443 | struct qeth_query_oat *oat_req; | |
4444 | struct qeth_query_oat_data oat_data; | |
4445 | struct qeth_qoat_priv priv; | |
4446 | void __user *tmp; | |
4447 | ||
4448 | QETH_CARD_TEXT(card, 3, "qoatcmd"); | |
4449 | ||
4450 | if (!qeth_adp_supported(card, IPA_SETADP_QUERY_OAT)) { | |
4451 | rc = -EOPNOTSUPP; | |
4452 | goto out; | |
4453 | } | |
4454 | ||
4455 | if (copy_from_user(&oat_data, udata, | |
4456 | sizeof(struct qeth_query_oat_data))) { | |
4457 | rc = -EFAULT; | |
4458 | goto out; | |
4459 | } | |
4460 | ||
4461 | priv.buffer_len = oat_data.buffer_len; | |
4462 | priv.response_len = 0; | |
4463 | priv.buffer = kzalloc(oat_data.buffer_len, GFP_KERNEL); | |
4464 | if (!priv.buffer) { | |
4465 | rc = -ENOMEM; | |
4466 | goto out; | |
4467 | } | |
4468 | ||
4469 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_OAT, | |
4470 | sizeof(struct qeth_ipacmd_setadpparms_hdr) + | |
4471 | sizeof(struct qeth_query_oat)); | |
4472 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
4473 | oat_req = &cmd->data.setadapterparms.data.query_oat; | |
4474 | oat_req->subcmd_code = oat_data.command; | |
4475 | ||
4476 | rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_query_oat_cb, | |
4477 | &priv); | |
4478 | if (!rc) { | |
4479 | if (is_compat_task()) | |
4480 | tmp = compat_ptr(oat_data.ptr); | |
4481 | else | |
4482 | tmp = (void __user *)(unsigned long)oat_data.ptr; | |
4483 | ||
4484 | if (copy_to_user(tmp, priv.buffer, | |
4485 | priv.response_len)) { | |
4486 | rc = -EFAULT; | |
4487 | goto out_free; | |
4488 | } | |
4489 | ||
4490 | oat_data.response_len = priv.response_len; | |
4491 | ||
4492 | if (copy_to_user(udata, &oat_data, | |
4493 | sizeof(struct qeth_query_oat_data))) | |
4494 | rc = -EFAULT; | |
4495 | } else | |
4496 | if (rc == IPA_RC_FFFF) | |
4497 | rc = -EFAULT; | |
4498 | ||
4499 | out_free: | |
4500 | kfree(priv.buffer); | |
4501 | out: | |
4502 | return rc; | |
4503 | } | |
4504 | EXPORT_SYMBOL_GPL(qeth_query_oat_command); | |
4505 | ||
4a71df50 FB |
4506 | static inline int qeth_get_qdio_q_format(struct qeth_card *card) |
4507 | { | |
4508 | switch (card->info.type) { | |
4509 | case QETH_CARD_TYPE_IQD: | |
4510 | return 2; | |
4511 | default: | |
4512 | return 0; | |
4513 | } | |
4514 | } | |
4515 | ||
d0ff1f52 UB |
4516 | static void qeth_determine_capabilities(struct qeth_card *card) |
4517 | { | |
4518 | int rc; | |
4519 | int length; | |
4520 | char *prcd; | |
4521 | struct ccw_device *ddev; | |
4522 | int ddev_offline = 0; | |
4523 | ||
4524 | QETH_DBF_TEXT(SETUP, 2, "detcapab"); | |
4525 | ddev = CARD_DDEV(card); | |
4526 | if (!ddev->online) { | |
4527 | ddev_offline = 1; | |
4528 | rc = ccw_device_set_online(ddev); | |
4529 | if (rc) { | |
4530 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); | |
4531 | goto out; | |
4532 | } | |
4533 | } | |
4534 | ||
4535 | rc = qeth_read_conf_data(card, (void **) &prcd, &length); | |
4536 | if (rc) { | |
4537 | QETH_DBF_MESSAGE(2, "%s qeth_read_conf_data returned %i\n", | |
4538 | dev_name(&card->gdev->dev), rc); | |
4539 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); | |
4540 | goto out_offline; | |
4541 | } | |
4542 | qeth_configure_unitaddr(card, prcd); | |
4543 | qeth_configure_blkt_default(card, prcd); | |
4544 | kfree(prcd); | |
4545 | ||
4546 | rc = qdio_get_ssqd_desc(ddev, &card->ssqd); | |
4547 | if (rc) | |
4548 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); | |
4549 | ||
0da9581d EL |
4550 | QETH_DBF_TEXT_(SETUP, 2, "qfmt%d", card->ssqd.qfmt); |
4551 | QETH_DBF_TEXT_(SETUP, 2, "%d", card->ssqd.qdioac1); | |
4552 | QETH_DBF_TEXT_(SETUP, 2, "%d", card->ssqd.qdioac3); | |
4553 | QETH_DBF_TEXT_(SETUP, 2, "icnt%d", card->ssqd.icnt); | |
4554 | if (!((card->ssqd.qfmt != QDIO_IQDIO_QFMT) || | |
4555 | ((card->ssqd.qdioac1 & CHSC_AC1_INITIATE_INPUTQ) == 0) || | |
4556 | ((card->ssqd.qdioac3 & CHSC_AC3_FORMAT2_CQ_AVAILABLE) == 0))) { | |
4557 | dev_info(&card->gdev->dev, | |
4558 | "Completion Queueing supported\n"); | |
4559 | } else { | |
4560 | card->options.cq = QETH_CQ_NOTAVAILABLE; | |
4561 | } | |
4562 | ||
4563 | ||
d0ff1f52 UB |
4564 | out_offline: |
4565 | if (ddev_offline == 1) | |
4566 | ccw_device_set_offline(ddev); | |
4567 | out: | |
4568 | return; | |
4569 | } | |
4570 | ||
0da9581d EL |
4571 | static inline void qeth_qdio_establish_cq(struct qeth_card *card, |
4572 | struct qdio_buffer **in_sbal_ptrs, | |
4573 | void (**queue_start_poll) (struct ccw_device *, int, unsigned long)) { | |
4574 | int i; | |
4575 | ||
4576 | if (card->options.cq == QETH_CQ_ENABLED) { | |
4577 | int offset = QDIO_MAX_BUFFERS_PER_Q * | |
4578 | (card->qdio.no_in_queues - 1); | |
4579 | i = QDIO_MAX_BUFFERS_PER_Q * (card->qdio.no_in_queues - 1); | |
4580 | for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) { | |
4581 | in_sbal_ptrs[offset + i] = (struct qdio_buffer *) | |
4582 | virt_to_phys(card->qdio.c_q->bufs[i].buffer); | |
4583 | } | |
4584 | ||
4585 | queue_start_poll[card->qdio.no_in_queues - 1] = NULL; | |
4586 | } | |
4587 | } | |
4588 | ||
4a71df50 FB |
4589 | static int qeth_qdio_establish(struct qeth_card *card) |
4590 | { | |
4591 | struct qdio_initialize init_data; | |
4592 | char *qib_param_field; | |
4593 | struct qdio_buffer **in_sbal_ptrs; | |
104ea556 | 4594 | void (**queue_start_poll) (struct ccw_device *, int, unsigned long); |
4a71df50 FB |
4595 | struct qdio_buffer **out_sbal_ptrs; |
4596 | int i, j, k; | |
4597 | int rc = 0; | |
4598 | ||
d11ba0c4 | 4599 | QETH_DBF_TEXT(SETUP, 2, "qdioest"); |
4a71df50 FB |
4600 | |
4601 | qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char), | |
4602 | GFP_KERNEL); | |
104ea556 | 4603 | if (!qib_param_field) { |
4604 | rc = -ENOMEM; | |
4605 | goto out_free_nothing; | |
4606 | } | |
4a71df50 FB |
4607 | |
4608 | qeth_create_qib_param_field(card, qib_param_field); | |
4609 | qeth_create_qib_param_field_blkt(card, qib_param_field); | |
4610 | ||
b3332930 | 4611 | in_sbal_ptrs = kzalloc(card->qdio.no_in_queues * |
0da9581d | 4612 | QDIO_MAX_BUFFERS_PER_Q * sizeof(void *), |
4a71df50 FB |
4613 | GFP_KERNEL); |
4614 | if (!in_sbal_ptrs) { | |
104ea556 | 4615 | rc = -ENOMEM; |
4616 | goto out_free_qib_param; | |
4a71df50 | 4617 | } |
0da9581d | 4618 | for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) { |
4a71df50 FB |
4619 | in_sbal_ptrs[i] = (struct qdio_buffer *) |
4620 | virt_to_phys(card->qdio.in_q->bufs[i].buffer); | |
0da9581d | 4621 | } |
4a71df50 | 4622 | |
0da9581d EL |
4623 | queue_start_poll = kzalloc(sizeof(void *) * card->qdio.no_in_queues, |
4624 | GFP_KERNEL); | |
104ea556 | 4625 | if (!queue_start_poll) { |
4626 | rc = -ENOMEM; | |
4627 | goto out_free_in_sbals; | |
4628 | } | |
0da9581d EL |
4629 | for (i = 0; i < card->qdio.no_in_queues; ++i) |
4630 | queue_start_poll[i] = card->discipline.start_poll; | |
4631 | ||
4632 | qeth_qdio_establish_cq(card, in_sbal_ptrs, queue_start_poll); | |
104ea556 | 4633 | |
4a71df50 | 4634 | out_sbal_ptrs = |
b3332930 | 4635 | kzalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q * |
4a71df50 FB |
4636 | sizeof(void *), GFP_KERNEL); |
4637 | if (!out_sbal_ptrs) { | |
104ea556 | 4638 | rc = -ENOMEM; |
4639 | goto out_free_queue_start_poll; | |
4a71df50 FB |
4640 | } |
4641 | for (i = 0, k = 0; i < card->qdio.no_out_queues; ++i) | |
4642 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k) { | |
4643 | out_sbal_ptrs[k] = (struct qdio_buffer *)virt_to_phys( | |
0da9581d | 4644 | card->qdio.out_qs[i]->bufs[j]->buffer); |
4a71df50 FB |
4645 | } |
4646 | ||
4647 | memset(&init_data, 0, sizeof(struct qdio_initialize)); | |
4648 | init_data.cdev = CARD_DDEV(card); | |
4649 | init_data.q_format = qeth_get_qdio_q_format(card); | |
4650 | init_data.qib_param_field_format = 0; | |
4651 | init_data.qib_param_field = qib_param_field; | |
0da9581d | 4652 | init_data.no_input_qs = card->qdio.no_in_queues; |
4a71df50 FB |
4653 | init_data.no_output_qs = card->qdio.no_out_queues; |
4654 | init_data.input_handler = card->discipline.input_handler; | |
4655 | init_data.output_handler = card->discipline.output_handler; | |
e58b0d90 | 4656 | init_data.queue_start_poll_array = queue_start_poll; |
4a71df50 | 4657 | init_data.int_parm = (unsigned long) card; |
4a71df50 FB |
4658 | init_data.input_sbal_addr_array = (void **) in_sbal_ptrs; |
4659 | init_data.output_sbal_addr_array = (void **) out_sbal_ptrs; | |
0da9581d | 4660 | init_data.output_sbal_state_array = card->qdio.out_bufstates; |
3d6c76ff JG |
4661 | init_data.scan_threshold = |
4662 | (card->info.type == QETH_CARD_TYPE_IQD) ? 8 : 32; | |
4a71df50 FB |
4663 | |
4664 | if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED, | |
4665 | QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) { | |
cc961d40 JG |
4666 | rc = qdio_allocate(&init_data); |
4667 | if (rc) { | |
4668 | atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); | |
4669 | goto out; | |
4670 | } | |
4671 | rc = qdio_establish(&init_data); | |
4672 | if (rc) { | |
4a71df50 | 4673 | atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); |
cc961d40 JG |
4674 | qdio_free(CARD_DDEV(card)); |
4675 | } | |
4a71df50 | 4676 | } |
0da9581d EL |
4677 | |
4678 | switch (card->options.cq) { | |
4679 | case QETH_CQ_ENABLED: | |
4680 | dev_info(&card->gdev->dev, "Completion Queue support enabled"); | |
4681 | break; | |
4682 | case QETH_CQ_DISABLED: | |
4683 | dev_info(&card->gdev->dev, "Completion Queue support disabled"); | |
4684 | break; | |
4685 | default: | |
4686 | break; | |
4687 | } | |
cc961d40 | 4688 | out: |
4a71df50 | 4689 | kfree(out_sbal_ptrs); |
104ea556 | 4690 | out_free_queue_start_poll: |
4691 | kfree(queue_start_poll); | |
4692 | out_free_in_sbals: | |
4a71df50 | 4693 | kfree(in_sbal_ptrs); |
104ea556 | 4694 | out_free_qib_param: |
4a71df50 | 4695 | kfree(qib_param_field); |
104ea556 | 4696 | out_free_nothing: |
4a71df50 FB |
4697 | return rc; |
4698 | } | |
4699 | ||
4700 | static void qeth_core_free_card(struct qeth_card *card) | |
4701 | { | |
4702 | ||
d11ba0c4 PT |
4703 | QETH_DBF_TEXT(SETUP, 2, "freecrd"); |
4704 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
4705 | qeth_clean_channel(&card->read); |
4706 | qeth_clean_channel(&card->write); | |
4707 | if (card->dev) | |
4708 | free_netdev(card->dev); | |
4709 | kfree(card->ip_tbd_list); | |
4710 | qeth_free_qdio_buffers(card); | |
6bcac508 | 4711 | unregister_service_level(&card->qeth_service_level); |
4a71df50 FB |
4712 | kfree(card); |
4713 | } | |
4714 | ||
4715 | static struct ccw_device_id qeth_ids[] = { | |
5113fec0 UB |
4716 | {CCW_DEVICE_DEVTYPE(0x1731, 0x01, 0x1732, 0x01), |
4717 | .driver_info = QETH_CARD_TYPE_OSD}, | |
4718 | {CCW_DEVICE_DEVTYPE(0x1731, 0x05, 0x1732, 0x05), | |
4719 | .driver_info = QETH_CARD_TYPE_IQD}, | |
4720 | {CCW_DEVICE_DEVTYPE(0x1731, 0x06, 0x1732, 0x06), | |
4721 | .driver_info = QETH_CARD_TYPE_OSN}, | |
4722 | {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x03), | |
4723 | .driver_info = QETH_CARD_TYPE_OSM}, | |
4724 | {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x02), | |
4725 | .driver_info = QETH_CARD_TYPE_OSX}, | |
4a71df50 FB |
4726 | {}, |
4727 | }; | |
4728 | MODULE_DEVICE_TABLE(ccw, qeth_ids); | |
4729 | ||
4730 | static struct ccw_driver qeth_ccw_driver = { | |
3bda058b | 4731 | .driver = { |
3e70b3b8 | 4732 | .owner = THIS_MODULE, |
3bda058b SO |
4733 | .name = "qeth", |
4734 | }, | |
4a71df50 FB |
4735 | .ids = qeth_ids, |
4736 | .probe = ccwgroup_probe_ccwdev, | |
4737 | .remove = ccwgroup_remove_ccwdev, | |
4738 | }; | |
4739 | ||
4740 | static int qeth_core_driver_group(const char *buf, struct device *root_dev, | |
4741 | unsigned long driver_id) | |
4742 | { | |
022b660a UB |
4743 | return ccwgroup_create_from_string(root_dev, driver_id, |
4744 | &qeth_ccw_driver, 3, buf); | |
4a71df50 FB |
4745 | } |
4746 | ||
4747 | int qeth_core_hardsetup_card(struct qeth_card *card) | |
4748 | { | |
aa909224 | 4749 | int retries = 0; |
4a71df50 FB |
4750 | int rc; |
4751 | ||
d11ba0c4 | 4752 | QETH_DBF_TEXT(SETUP, 2, "hrdsetup"); |
4a71df50 | 4753 | atomic_set(&card->force_alloc_skb, 0); |
d0ff1f52 | 4754 | qeth_get_channel_path_desc(card); |
4a71df50 | 4755 | retry: |
aa909224 | 4756 | if (retries) |
74eacdb9 FB |
4757 | QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n", |
4758 | dev_name(&card->gdev->dev)); | |
aa909224 UB |
4759 | ccw_device_set_offline(CARD_DDEV(card)); |
4760 | ccw_device_set_offline(CARD_WDEV(card)); | |
4761 | ccw_device_set_offline(CARD_RDEV(card)); | |
4762 | rc = ccw_device_set_online(CARD_RDEV(card)); | |
4763 | if (rc) | |
4764 | goto retriable; | |
4765 | rc = ccw_device_set_online(CARD_WDEV(card)); | |
4766 | if (rc) | |
4767 | goto retriable; | |
4768 | rc = ccw_device_set_online(CARD_DDEV(card)); | |
4769 | if (rc) | |
4770 | goto retriable; | |
4a71df50 | 4771 | rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); |
aa909224 | 4772 | retriable: |
4a71df50 | 4773 | if (rc == -ERESTARTSYS) { |
d11ba0c4 | 4774 | QETH_DBF_TEXT(SETUP, 2, "break1"); |
4a71df50 FB |
4775 | return rc; |
4776 | } else if (rc) { | |
d11ba0c4 | 4777 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
aa909224 | 4778 | if (++retries > 3) |
4a71df50 FB |
4779 | goto out; |
4780 | else | |
4781 | goto retry; | |
4782 | } | |
d0ff1f52 | 4783 | qeth_determine_capabilities(card); |
4a71df50 FB |
4784 | qeth_init_tokens(card); |
4785 | qeth_init_func_level(card); | |
4786 | rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb); | |
4787 | if (rc == -ERESTARTSYS) { | |
d11ba0c4 | 4788 | QETH_DBF_TEXT(SETUP, 2, "break2"); |
4a71df50 FB |
4789 | return rc; |
4790 | } else if (rc) { | |
d11ba0c4 | 4791 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
4a71df50 FB |
4792 | if (--retries < 0) |
4793 | goto out; | |
4794 | else | |
4795 | goto retry; | |
4796 | } | |
4797 | rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb); | |
4798 | if (rc == -ERESTARTSYS) { | |
d11ba0c4 | 4799 | QETH_DBF_TEXT(SETUP, 2, "break3"); |
4a71df50 FB |
4800 | return rc; |
4801 | } else if (rc) { | |
d11ba0c4 | 4802 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); |
4a71df50 FB |
4803 | if (--retries < 0) |
4804 | goto out; | |
4805 | else | |
4806 | goto retry; | |
4807 | } | |
908abbb5 | 4808 | card->read_or_write_problem = 0; |
4a71df50 FB |
4809 | rc = qeth_mpc_initialize(card); |
4810 | if (rc) { | |
d11ba0c4 | 4811 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); |
4a71df50 FB |
4812 | goto out; |
4813 | } | |
1da74b1c FB |
4814 | |
4815 | card->options.ipa4.supported_funcs = 0; | |
4816 | card->options.adp.supported_funcs = 0; | |
4817 | card->info.diagass_support = 0; | |
4818 | qeth_query_ipassists(card, QETH_PROT_IPV4); | |
4819 | if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) | |
4820 | qeth_query_setadapterparms(card); | |
4821 | if (qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) | |
4822 | qeth_query_setdiagass(card); | |
4a71df50 FB |
4823 | return 0; |
4824 | out: | |
74eacdb9 FB |
4825 | dev_warn(&card->gdev->dev, "The qeth device driver failed to recover " |
4826 | "an error on the device\n"); | |
4827 | QETH_DBF_MESSAGE(2, "%s Initialization in hardsetup failed! rc=%d\n", | |
4828 | dev_name(&card->gdev->dev), rc); | |
4a71df50 FB |
4829 | return rc; |
4830 | } | |
4831 | EXPORT_SYMBOL_GPL(qeth_core_hardsetup_card); | |
4832 | ||
b3332930 FB |
4833 | static inline int qeth_create_skb_frag(struct qeth_qdio_buffer *qethbuffer, |
4834 | struct qdio_buffer_element *element, | |
4a71df50 FB |
4835 | struct sk_buff **pskb, int offset, int *pfrag, int data_len) |
4836 | { | |
4837 | struct page *page = virt_to_page(element->addr); | |
4838 | if (*pskb == NULL) { | |
b3332930 FB |
4839 | if (qethbuffer->rx_skb) { |
4840 | /* only if qeth_card.options.cq == QETH_CQ_ENABLED */ | |
4841 | *pskb = qethbuffer->rx_skb; | |
4842 | qethbuffer->rx_skb = NULL; | |
4843 | } else { | |
4844 | *pskb = dev_alloc_skb(QETH_RX_PULL_LEN + ETH_HLEN); | |
4845 | if (!(*pskb)) | |
4846 | return -ENOMEM; | |
4847 | } | |
4848 | ||
4a71df50 | 4849 | skb_reserve(*pskb, ETH_HLEN); |
b3332930 | 4850 | if (data_len <= QETH_RX_PULL_LEN) { |
4a71df50 FB |
4851 | memcpy(skb_put(*pskb, data_len), element->addr + offset, |
4852 | data_len); | |
4853 | } else { | |
4854 | get_page(page); | |
b3332930 FB |
4855 | memcpy(skb_put(*pskb, QETH_RX_PULL_LEN), |
4856 | element->addr + offset, QETH_RX_PULL_LEN); | |
4857 | skb_fill_page_desc(*pskb, *pfrag, page, | |
4858 | offset + QETH_RX_PULL_LEN, | |
4859 | data_len - QETH_RX_PULL_LEN); | |
4860 | (*pskb)->data_len += data_len - QETH_RX_PULL_LEN; | |
4861 | (*pskb)->len += data_len - QETH_RX_PULL_LEN; | |
4862 | (*pskb)->truesize += data_len - QETH_RX_PULL_LEN; | |
4a71df50 FB |
4863 | (*pfrag)++; |
4864 | } | |
4865 | } else { | |
4866 | get_page(page); | |
4867 | skb_fill_page_desc(*pskb, *pfrag, page, offset, data_len); | |
4868 | (*pskb)->data_len += data_len; | |
4869 | (*pskb)->len += data_len; | |
4870 | (*pskb)->truesize += data_len; | |
4871 | (*pfrag)++; | |
4872 | } | |
0da9581d EL |
4873 | |
4874 | ||
4a71df50 FB |
4875 | return 0; |
4876 | } | |
4877 | ||
4878 | struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card, | |
b3332930 | 4879 | struct qeth_qdio_buffer *qethbuffer, |
4a71df50 FB |
4880 | struct qdio_buffer_element **__element, int *__offset, |
4881 | struct qeth_hdr **hdr) | |
4882 | { | |
4883 | struct qdio_buffer_element *element = *__element; | |
b3332930 | 4884 | struct qdio_buffer *buffer = qethbuffer->buffer; |
4a71df50 FB |
4885 | int offset = *__offset; |
4886 | struct sk_buff *skb = NULL; | |
76b11f8e | 4887 | int skb_len = 0; |
4a71df50 FB |
4888 | void *data_ptr; |
4889 | int data_len; | |
4890 | int headroom = 0; | |
4891 | int use_rx_sg = 0; | |
4892 | int frag = 0; | |
4893 | ||
4a71df50 FB |
4894 | /* qeth_hdr must not cross element boundaries */ |
4895 | if (element->length < offset + sizeof(struct qeth_hdr)) { | |
4896 | if (qeth_is_last_sbale(element)) | |
4897 | return NULL; | |
4898 | element++; | |
4899 | offset = 0; | |
4900 | if (element->length < sizeof(struct qeth_hdr)) | |
4901 | return NULL; | |
4902 | } | |
4903 | *hdr = element->addr + offset; | |
4904 | ||
4905 | offset += sizeof(struct qeth_hdr); | |
76b11f8e UB |
4906 | switch ((*hdr)->hdr.l2.id) { |
4907 | case QETH_HEADER_TYPE_LAYER2: | |
4908 | skb_len = (*hdr)->hdr.l2.pkt_length; | |
4909 | break; | |
4910 | case QETH_HEADER_TYPE_LAYER3: | |
4a71df50 | 4911 | skb_len = (*hdr)->hdr.l3.length; |
b403e685 FB |
4912 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
4913 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) | |
4914 | headroom = TR_HLEN; | |
4915 | else | |
4916 | headroom = ETH_HLEN; | |
76b11f8e UB |
4917 | break; |
4918 | case QETH_HEADER_TYPE_OSN: | |
4919 | skb_len = (*hdr)->hdr.osn.pdu_length; | |
4920 | headroom = sizeof(struct qeth_hdr); | |
4921 | break; | |
4922 | default: | |
4923 | break; | |
4a71df50 FB |
4924 | } |
4925 | ||
4926 | if (!skb_len) | |
4927 | return NULL; | |
4928 | ||
b3332930 FB |
4929 | if (((skb_len >= card->options.rx_sg_cb) && |
4930 | (!(card->info.type == QETH_CARD_TYPE_OSN)) && | |
4931 | (!atomic_read(&card->force_alloc_skb))) || | |
4932 | (card->options.cq == QETH_CQ_ENABLED)) { | |
4a71df50 FB |
4933 | use_rx_sg = 1; |
4934 | } else { | |
4935 | skb = dev_alloc_skb(skb_len + headroom); | |
4936 | if (!skb) | |
4937 | goto no_mem; | |
4938 | if (headroom) | |
4939 | skb_reserve(skb, headroom); | |
4940 | } | |
4941 | ||
4942 | data_ptr = element->addr + offset; | |
4943 | while (skb_len) { | |
4944 | data_len = min(skb_len, (int)(element->length - offset)); | |
4945 | if (data_len) { | |
4946 | if (use_rx_sg) { | |
b3332930 FB |
4947 | if (qeth_create_skb_frag(qethbuffer, element, |
4948 | &skb, offset, &frag, data_len)) | |
4a71df50 FB |
4949 | goto no_mem; |
4950 | } else { | |
4951 | memcpy(skb_put(skb, data_len), data_ptr, | |
4952 | data_len); | |
4953 | } | |
4954 | } | |
4955 | skb_len -= data_len; | |
4956 | if (skb_len) { | |
4957 | if (qeth_is_last_sbale(element)) { | |
847a50fd | 4958 | QETH_CARD_TEXT(card, 4, "unexeob"); |
efd5d9a4 | 4959 | QETH_CARD_HEX(card, 2, buffer, sizeof(void *)); |
4a71df50 FB |
4960 | dev_kfree_skb_any(skb); |
4961 | card->stats.rx_errors++; | |
4962 | return NULL; | |
4963 | } | |
4964 | element++; | |
4965 | offset = 0; | |
4966 | data_ptr = element->addr; | |
4967 | } else { | |
4968 | offset += data_len; | |
4969 | } | |
4970 | } | |
4971 | *__element = element; | |
4972 | *__offset = offset; | |
4973 | if (use_rx_sg && card->options.performance_stats) { | |
4974 | card->perf_stats.sg_skbs_rx++; | |
4975 | card->perf_stats.sg_frags_rx += skb_shinfo(skb)->nr_frags; | |
4976 | } | |
4977 | return skb; | |
4978 | no_mem: | |
4979 | if (net_ratelimit()) { | |
847a50fd | 4980 | QETH_CARD_TEXT(card, 2, "noskbmem"); |
4a71df50 FB |
4981 | } |
4982 | card->stats.rx_dropped++; | |
4983 | return NULL; | |
4984 | } | |
4985 | EXPORT_SYMBOL_GPL(qeth_core_get_next_skb); | |
4986 | ||
4987 | static void qeth_unregister_dbf_views(void) | |
4988 | { | |
d11ba0c4 PT |
4989 | int x; |
4990 | for (x = 0; x < QETH_DBF_INFOS; x++) { | |
4991 | debug_unregister(qeth_dbf[x].id); | |
4992 | qeth_dbf[x].id = NULL; | |
4993 | } | |
4a71df50 FB |
4994 | } |
4995 | ||
8e96c51c | 4996 | void qeth_dbf_longtext(debug_info_t *id, int level, char *fmt, ...) |
cd023216 PT |
4997 | { |
4998 | char dbf_txt_buf[32]; | |
345aa66e | 4999 | va_list args; |
cd023216 | 5000 | |
8e96c51c | 5001 | if (level > id->level) |
cd023216 | 5002 | return; |
345aa66e PT |
5003 | va_start(args, fmt); |
5004 | vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args); | |
5005 | va_end(args); | |
8e96c51c | 5006 | debug_text_event(id, level, dbf_txt_buf); |
cd023216 PT |
5007 | } |
5008 | EXPORT_SYMBOL_GPL(qeth_dbf_longtext); | |
5009 | ||
4a71df50 FB |
5010 | static int qeth_register_dbf_views(void) |
5011 | { | |
d11ba0c4 PT |
5012 | int ret; |
5013 | int x; | |
5014 | ||
5015 | for (x = 0; x < QETH_DBF_INFOS; x++) { | |
5016 | /* register the areas */ | |
5017 | qeth_dbf[x].id = debug_register(qeth_dbf[x].name, | |
5018 | qeth_dbf[x].pages, | |
5019 | qeth_dbf[x].areas, | |
5020 | qeth_dbf[x].len); | |
5021 | if (qeth_dbf[x].id == NULL) { | |
5022 | qeth_unregister_dbf_views(); | |
5023 | return -ENOMEM; | |
5024 | } | |
4a71df50 | 5025 | |
d11ba0c4 PT |
5026 | /* register a view */ |
5027 | ret = debug_register_view(qeth_dbf[x].id, qeth_dbf[x].view); | |
5028 | if (ret) { | |
5029 | qeth_unregister_dbf_views(); | |
5030 | return ret; | |
5031 | } | |
4a71df50 | 5032 | |
d11ba0c4 PT |
5033 | /* set a passing level */ |
5034 | debug_set_level(qeth_dbf[x].id, qeth_dbf[x].level); | |
5035 | } | |
4a71df50 FB |
5036 | |
5037 | return 0; | |
5038 | } | |
5039 | ||
5040 | int qeth_core_load_discipline(struct qeth_card *card, | |
5041 | enum qeth_discipline_id discipline) | |
5042 | { | |
5043 | int rc = 0; | |
2022e00c | 5044 | mutex_lock(&qeth_mod_mutex); |
4a71df50 FB |
5045 | switch (discipline) { |
5046 | case QETH_DISCIPLINE_LAYER3: | |
5047 | card->discipline.ccwgdriver = try_then_request_module( | |
5048 | symbol_get(qeth_l3_ccwgroup_driver), | |
5049 | "qeth_l3"); | |
5050 | break; | |
5051 | case QETH_DISCIPLINE_LAYER2: | |
5052 | card->discipline.ccwgdriver = try_then_request_module( | |
5053 | symbol_get(qeth_l2_ccwgroup_driver), | |
5054 | "qeth_l2"); | |
5055 | break; | |
5056 | } | |
5057 | if (!card->discipline.ccwgdriver) { | |
74eacdb9 FB |
5058 | dev_err(&card->gdev->dev, "There is no kernel module to " |
5059 | "support discipline %d\n", discipline); | |
4a71df50 FB |
5060 | rc = -EINVAL; |
5061 | } | |
2022e00c | 5062 | mutex_unlock(&qeth_mod_mutex); |
4a71df50 FB |
5063 | return rc; |
5064 | } | |
5065 | ||
5066 | void qeth_core_free_discipline(struct qeth_card *card) | |
5067 | { | |
5068 | if (card->options.layer2) | |
5069 | symbol_put(qeth_l2_ccwgroup_driver); | |
5070 | else | |
5071 | symbol_put(qeth_l3_ccwgroup_driver); | |
5072 | card->discipline.ccwgdriver = NULL; | |
5073 | } | |
5074 | ||
5075 | static int qeth_core_probe_device(struct ccwgroup_device *gdev) | |
5076 | { | |
5077 | struct qeth_card *card; | |
5078 | struct device *dev; | |
5079 | int rc; | |
5080 | unsigned long flags; | |
af039068 | 5081 | char dbf_name[20]; |
4a71df50 | 5082 | |
d11ba0c4 | 5083 | QETH_DBF_TEXT(SETUP, 2, "probedev"); |
4a71df50 FB |
5084 | |
5085 | dev = &gdev->dev; | |
5086 | if (!get_device(dev)) | |
5087 | return -ENODEV; | |
5088 | ||
2a0217d5 | 5089 | QETH_DBF_TEXT_(SETUP, 2, "%s", dev_name(&gdev->dev)); |
4a71df50 FB |
5090 | |
5091 | card = qeth_alloc_card(); | |
5092 | if (!card) { | |
d11ba0c4 | 5093 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", -ENOMEM); |
4a71df50 FB |
5094 | rc = -ENOMEM; |
5095 | goto err_dev; | |
5096 | } | |
af039068 CO |
5097 | |
5098 | snprintf(dbf_name, sizeof(dbf_name), "qeth_card_%s", | |
5099 | dev_name(&gdev->dev)); | |
5100 | card->debug = debug_register(dbf_name, 2, 1, 8); | |
5101 | if (!card->debug) { | |
5102 | QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf"); | |
5103 | rc = -ENOMEM; | |
5104 | goto err_card; | |
5105 | } | |
5106 | debug_register_view(card->debug, &debug_hex_ascii_view); | |
5107 | ||
4a71df50 FB |
5108 | card->read.ccwdev = gdev->cdev[0]; |
5109 | card->write.ccwdev = gdev->cdev[1]; | |
5110 | card->data.ccwdev = gdev->cdev[2]; | |
5111 | dev_set_drvdata(&gdev->dev, card); | |
5112 | card->gdev = gdev; | |
5113 | gdev->cdev[0]->handler = qeth_irq; | |
5114 | gdev->cdev[1]->handler = qeth_irq; | |
5115 | gdev->cdev[2]->handler = qeth_irq; | |
5116 | ||
5117 | rc = qeth_determine_card_type(card); | |
5118 | if (rc) { | |
d11ba0c4 | 5119 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
af039068 | 5120 | goto err_dbf; |
4a71df50 FB |
5121 | } |
5122 | rc = qeth_setup_card(card); | |
5123 | if (rc) { | |
d11ba0c4 | 5124 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
af039068 | 5125 | goto err_dbf; |
4a71df50 FB |
5126 | } |
5127 | ||
5113fec0 | 5128 | if (card->info.type == QETH_CARD_TYPE_OSN) |
4a71df50 | 5129 | rc = qeth_core_create_osn_attributes(dev); |
5113fec0 UB |
5130 | else |
5131 | rc = qeth_core_create_device_attributes(dev); | |
5132 | if (rc) | |
af039068 | 5133 | goto err_dbf; |
5113fec0 UB |
5134 | switch (card->info.type) { |
5135 | case QETH_CARD_TYPE_OSN: | |
5136 | case QETH_CARD_TYPE_OSM: | |
4a71df50 | 5137 | rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2); |
5113fec0 UB |
5138 | if (rc) |
5139 | goto err_attr; | |
4a71df50 | 5140 | rc = card->discipline.ccwgdriver->probe(card->gdev); |
4a71df50 | 5141 | if (rc) |
5113fec0 UB |
5142 | goto err_disc; |
5143 | case QETH_CARD_TYPE_OSD: | |
5144 | case QETH_CARD_TYPE_OSX: | |
5145 | default: | |
5146 | break; | |
4a71df50 FB |
5147 | } |
5148 | ||
5149 | write_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
5150 | list_add_tail(&card->list, &qeth_core_card_list.list); | |
5151 | write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
76b11f8e UB |
5152 | |
5153 | qeth_determine_capabilities(card); | |
4a71df50 FB |
5154 | return 0; |
5155 | ||
5113fec0 UB |
5156 | err_disc: |
5157 | qeth_core_free_discipline(card); | |
5158 | err_attr: | |
5159 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
5160 | qeth_core_remove_osn_attributes(dev); | |
5161 | else | |
5162 | qeth_core_remove_device_attributes(dev); | |
af039068 CO |
5163 | err_dbf: |
5164 | debug_unregister(card->debug); | |
4a71df50 FB |
5165 | err_card: |
5166 | qeth_core_free_card(card); | |
5167 | err_dev: | |
5168 | put_device(dev); | |
5169 | return rc; | |
5170 | } | |
5171 | ||
5172 | static void qeth_core_remove_device(struct ccwgroup_device *gdev) | |
5173 | { | |
5174 | unsigned long flags; | |
5175 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
5176 | ||
28a7e4c9 | 5177 | QETH_DBF_TEXT(SETUP, 2, "removedv"); |
4a71df50 FB |
5178 | |
5179 | if (card->info.type == QETH_CARD_TYPE_OSN) { | |
5180 | qeth_core_remove_osn_attributes(&gdev->dev); | |
5181 | } else { | |
5182 | qeth_core_remove_device_attributes(&gdev->dev); | |
5183 | } | |
9dc48ccc UB |
5184 | |
5185 | if (card->discipline.ccwgdriver) { | |
5186 | card->discipline.ccwgdriver->remove(gdev); | |
5187 | qeth_core_free_discipline(card); | |
5188 | } | |
5189 | ||
af039068 | 5190 | debug_unregister(card->debug); |
4a71df50 FB |
5191 | write_lock_irqsave(&qeth_core_card_list.rwlock, flags); |
5192 | list_del(&card->list); | |
5193 | write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
5194 | qeth_core_free_card(card); | |
5195 | dev_set_drvdata(&gdev->dev, NULL); | |
5196 | put_device(&gdev->dev); | |
5197 | return; | |
5198 | } | |
5199 | ||
5200 | static int qeth_core_set_online(struct ccwgroup_device *gdev) | |
5201 | { | |
5202 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
5203 | int rc = 0; | |
5204 | int def_discipline; | |
5205 | ||
5206 | if (!card->discipline.ccwgdriver) { | |
5207 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
5208 | def_discipline = QETH_DISCIPLINE_LAYER3; | |
5209 | else | |
5210 | def_discipline = QETH_DISCIPLINE_LAYER2; | |
5211 | rc = qeth_core_load_discipline(card, def_discipline); | |
5212 | if (rc) | |
5213 | goto err; | |
5214 | rc = card->discipline.ccwgdriver->probe(card->gdev); | |
5215 | if (rc) | |
5216 | goto err; | |
5217 | } | |
5218 | rc = card->discipline.ccwgdriver->set_online(gdev); | |
5219 | err: | |
5220 | return rc; | |
5221 | } | |
5222 | ||
5223 | static int qeth_core_set_offline(struct ccwgroup_device *gdev) | |
5224 | { | |
5225 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
5226 | return card->discipline.ccwgdriver->set_offline(gdev); | |
5227 | } | |
5228 | ||
5229 | static void qeth_core_shutdown(struct ccwgroup_device *gdev) | |
5230 | { | |
5231 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
5232 | if (card->discipline.ccwgdriver && | |
5233 | card->discipline.ccwgdriver->shutdown) | |
5234 | card->discipline.ccwgdriver->shutdown(gdev); | |
5235 | } | |
5236 | ||
bbcfcdc8 FB |
5237 | static int qeth_core_prepare(struct ccwgroup_device *gdev) |
5238 | { | |
5239 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
5240 | if (card->discipline.ccwgdriver && | |
5241 | card->discipline.ccwgdriver->prepare) | |
5242 | return card->discipline.ccwgdriver->prepare(gdev); | |
5243 | return 0; | |
5244 | } | |
5245 | ||
5246 | static void qeth_core_complete(struct ccwgroup_device *gdev) | |
5247 | { | |
5248 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
5249 | if (card->discipline.ccwgdriver && | |
5250 | card->discipline.ccwgdriver->complete) | |
5251 | card->discipline.ccwgdriver->complete(gdev); | |
5252 | } | |
5253 | ||
5254 | static int qeth_core_freeze(struct ccwgroup_device *gdev) | |
5255 | { | |
5256 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
5257 | if (card->discipline.ccwgdriver && | |
5258 | card->discipline.ccwgdriver->freeze) | |
5259 | return card->discipline.ccwgdriver->freeze(gdev); | |
5260 | return 0; | |
5261 | } | |
5262 | ||
5263 | static int qeth_core_thaw(struct ccwgroup_device *gdev) | |
5264 | { | |
5265 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
5266 | if (card->discipline.ccwgdriver && | |
5267 | card->discipline.ccwgdriver->thaw) | |
5268 | return card->discipline.ccwgdriver->thaw(gdev); | |
5269 | return 0; | |
5270 | } | |
5271 | ||
5272 | static int qeth_core_restore(struct ccwgroup_device *gdev) | |
5273 | { | |
5274 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
5275 | if (card->discipline.ccwgdriver && | |
5276 | card->discipline.ccwgdriver->restore) | |
5277 | return card->discipline.ccwgdriver->restore(gdev); | |
5278 | return 0; | |
5279 | } | |
5280 | ||
4a71df50 | 5281 | static struct ccwgroup_driver qeth_core_ccwgroup_driver = { |
3c190c51 SO |
5282 | .driver = { |
5283 | .owner = THIS_MODULE, | |
5284 | .name = "qeth", | |
5285 | }, | |
4a71df50 FB |
5286 | .driver_id = 0xD8C5E3C8, |
5287 | .probe = qeth_core_probe_device, | |
5288 | .remove = qeth_core_remove_device, | |
5289 | .set_online = qeth_core_set_online, | |
5290 | .set_offline = qeth_core_set_offline, | |
5291 | .shutdown = qeth_core_shutdown, | |
bbcfcdc8 FB |
5292 | .prepare = qeth_core_prepare, |
5293 | .complete = qeth_core_complete, | |
5294 | .freeze = qeth_core_freeze, | |
5295 | .thaw = qeth_core_thaw, | |
5296 | .restore = qeth_core_restore, | |
4a71df50 FB |
5297 | }; |
5298 | ||
5299 | static ssize_t | |
5300 | qeth_core_driver_group_store(struct device_driver *ddrv, const char *buf, | |
5301 | size_t count) | |
5302 | { | |
5303 | int err; | |
5304 | err = qeth_core_driver_group(buf, qeth_core_root_dev, | |
5305 | qeth_core_ccwgroup_driver.driver_id); | |
5306 | if (err) | |
5307 | return err; | |
5308 | else | |
5309 | return count; | |
5310 | } | |
5311 | ||
5312 | static DRIVER_ATTR(group, 0200, NULL, qeth_core_driver_group_store); | |
5313 | ||
5314 | static struct { | |
5315 | const char str[ETH_GSTRING_LEN]; | |
5316 | } qeth_ethtool_stats_keys[] = { | |
5317 | /* 0 */{"rx skbs"}, | |
5318 | {"rx buffers"}, | |
5319 | {"tx skbs"}, | |
5320 | {"tx buffers"}, | |
5321 | {"tx skbs no packing"}, | |
5322 | {"tx buffers no packing"}, | |
5323 | {"tx skbs packing"}, | |
5324 | {"tx buffers packing"}, | |
5325 | {"tx sg skbs"}, | |
5326 | {"tx sg frags"}, | |
5327 | /* 10 */{"rx sg skbs"}, | |
5328 | {"rx sg frags"}, | |
5329 | {"rx sg page allocs"}, | |
5330 | {"tx large kbytes"}, | |
5331 | {"tx large count"}, | |
5332 | {"tx pk state ch n->p"}, | |
5333 | {"tx pk state ch p->n"}, | |
5334 | {"tx pk watermark low"}, | |
5335 | {"tx pk watermark high"}, | |
5336 | {"queue 0 buffer usage"}, | |
5337 | /* 20 */{"queue 1 buffer usage"}, | |
5338 | {"queue 2 buffer usage"}, | |
5339 | {"queue 3 buffer usage"}, | |
a1c3ed4c FB |
5340 | {"rx poll time"}, |
5341 | {"rx poll count"}, | |
4a71df50 FB |
5342 | {"rx do_QDIO time"}, |
5343 | {"rx do_QDIO count"}, | |
5344 | {"tx handler time"}, | |
5345 | {"tx handler count"}, | |
5346 | {"tx time"}, | |
5347 | /* 30 */{"tx count"}, | |
5348 | {"tx do_QDIO time"}, | |
5349 | {"tx do_QDIO count"}, | |
f61a0d05 | 5350 | {"tx csum"}, |
c3b4a740 | 5351 | {"tx lin"}, |
0da9581d EL |
5352 | {"cq handler count"}, |
5353 | {"cq handler time"} | |
4a71df50 FB |
5354 | }; |
5355 | ||
df8b4ec8 | 5356 | int qeth_core_get_sset_count(struct net_device *dev, int stringset) |
4a71df50 | 5357 | { |
df8b4ec8 BH |
5358 | switch (stringset) { |
5359 | case ETH_SS_STATS: | |
5360 | return (sizeof(qeth_ethtool_stats_keys) / ETH_GSTRING_LEN); | |
5361 | default: | |
5362 | return -EINVAL; | |
5363 | } | |
4a71df50 | 5364 | } |
df8b4ec8 | 5365 | EXPORT_SYMBOL_GPL(qeth_core_get_sset_count); |
4a71df50 FB |
5366 | |
5367 | void qeth_core_get_ethtool_stats(struct net_device *dev, | |
5368 | struct ethtool_stats *stats, u64 *data) | |
5369 | { | |
509e2562 | 5370 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
5371 | data[0] = card->stats.rx_packets - |
5372 | card->perf_stats.initial_rx_packets; | |
5373 | data[1] = card->perf_stats.bufs_rec; | |
5374 | data[2] = card->stats.tx_packets - | |
5375 | card->perf_stats.initial_tx_packets; | |
5376 | data[3] = card->perf_stats.bufs_sent; | |
5377 | data[4] = card->stats.tx_packets - card->perf_stats.initial_tx_packets | |
5378 | - card->perf_stats.skbs_sent_pack; | |
5379 | data[5] = card->perf_stats.bufs_sent - card->perf_stats.bufs_sent_pack; | |
5380 | data[6] = card->perf_stats.skbs_sent_pack; | |
5381 | data[7] = card->perf_stats.bufs_sent_pack; | |
5382 | data[8] = card->perf_stats.sg_skbs_sent; | |
5383 | data[9] = card->perf_stats.sg_frags_sent; | |
5384 | data[10] = card->perf_stats.sg_skbs_rx; | |
5385 | data[11] = card->perf_stats.sg_frags_rx; | |
5386 | data[12] = card->perf_stats.sg_alloc_page_rx; | |
5387 | data[13] = (card->perf_stats.large_send_bytes >> 10); | |
5388 | data[14] = card->perf_stats.large_send_cnt; | |
5389 | data[15] = card->perf_stats.sc_dp_p; | |
5390 | data[16] = card->perf_stats.sc_p_dp; | |
5391 | data[17] = QETH_LOW_WATERMARK_PACK; | |
5392 | data[18] = QETH_HIGH_WATERMARK_PACK; | |
5393 | data[19] = atomic_read(&card->qdio.out_qs[0]->used_buffers); | |
5394 | data[20] = (card->qdio.no_out_queues > 1) ? | |
5395 | atomic_read(&card->qdio.out_qs[1]->used_buffers) : 0; | |
5396 | data[21] = (card->qdio.no_out_queues > 2) ? | |
5397 | atomic_read(&card->qdio.out_qs[2]->used_buffers) : 0; | |
5398 | data[22] = (card->qdio.no_out_queues > 3) ? | |
5399 | atomic_read(&card->qdio.out_qs[3]->used_buffers) : 0; | |
5400 | data[23] = card->perf_stats.inbound_time; | |
5401 | data[24] = card->perf_stats.inbound_cnt; | |
5402 | data[25] = card->perf_stats.inbound_do_qdio_time; | |
5403 | data[26] = card->perf_stats.inbound_do_qdio_cnt; | |
5404 | data[27] = card->perf_stats.outbound_handler_time; | |
5405 | data[28] = card->perf_stats.outbound_handler_cnt; | |
5406 | data[29] = card->perf_stats.outbound_time; | |
5407 | data[30] = card->perf_stats.outbound_cnt; | |
5408 | data[31] = card->perf_stats.outbound_do_qdio_time; | |
5409 | data[32] = card->perf_stats.outbound_do_qdio_cnt; | |
f61a0d05 | 5410 | data[33] = card->perf_stats.tx_csum; |
c3b4a740 | 5411 | data[34] = card->perf_stats.tx_lin; |
0da9581d EL |
5412 | data[35] = card->perf_stats.cq_cnt; |
5413 | data[36] = card->perf_stats.cq_time; | |
4a71df50 FB |
5414 | } |
5415 | EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats); | |
5416 | ||
5417 | void qeth_core_get_strings(struct net_device *dev, u32 stringset, u8 *data) | |
5418 | { | |
5419 | switch (stringset) { | |
5420 | case ETH_SS_STATS: | |
5421 | memcpy(data, &qeth_ethtool_stats_keys, | |
5422 | sizeof(qeth_ethtool_stats_keys)); | |
5423 | break; | |
5424 | default: | |
5425 | WARN_ON(1); | |
5426 | break; | |
5427 | } | |
5428 | } | |
5429 | EXPORT_SYMBOL_GPL(qeth_core_get_strings); | |
5430 | ||
5431 | void qeth_core_get_drvinfo(struct net_device *dev, | |
5432 | struct ethtool_drvinfo *info) | |
5433 | { | |
509e2562 | 5434 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
5435 | if (card->options.layer2) |
5436 | strcpy(info->driver, "qeth_l2"); | |
5437 | else | |
5438 | strcpy(info->driver, "qeth_l3"); | |
5439 | ||
5440 | strcpy(info->version, "1.0"); | |
5441 | strcpy(info->fw_version, card->info.mcl_level); | |
5442 | sprintf(info->bus_info, "%s/%s/%s", | |
5443 | CARD_RDEV_ID(card), | |
5444 | CARD_WDEV_ID(card), | |
5445 | CARD_DDEV_ID(card)); | |
5446 | } | |
5447 | EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo); | |
5448 | ||
3f9975aa FB |
5449 | int qeth_core_ethtool_get_settings(struct net_device *netdev, |
5450 | struct ethtool_cmd *ecmd) | |
5451 | { | |
509e2562 | 5452 | struct qeth_card *card = netdev->ml_priv; |
3f9975aa FB |
5453 | enum qeth_link_types link_type; |
5454 | ||
5455 | if ((card->info.type == QETH_CARD_TYPE_IQD) || (card->info.guestlan)) | |
5456 | link_type = QETH_LINK_TYPE_10GBIT_ETH; | |
5457 | else | |
5458 | link_type = card->info.link_type; | |
5459 | ||
5460 | ecmd->transceiver = XCVR_INTERNAL; | |
5461 | ecmd->supported = SUPPORTED_Autoneg; | |
5462 | ecmd->advertising = ADVERTISED_Autoneg; | |
5463 | ecmd->duplex = DUPLEX_FULL; | |
5464 | ecmd->autoneg = AUTONEG_ENABLE; | |
5465 | ||
5466 | switch (link_type) { | |
5467 | case QETH_LINK_TYPE_FAST_ETH: | |
5468 | case QETH_LINK_TYPE_LANE_ETH100: | |
5469 | ecmd->supported |= SUPPORTED_10baseT_Half | | |
5470 | SUPPORTED_10baseT_Full | | |
5471 | SUPPORTED_100baseT_Half | | |
5472 | SUPPORTED_100baseT_Full | | |
5473 | SUPPORTED_TP; | |
5474 | ecmd->advertising |= ADVERTISED_10baseT_Half | | |
5475 | ADVERTISED_10baseT_Full | | |
5476 | ADVERTISED_100baseT_Half | | |
5477 | ADVERTISED_100baseT_Full | | |
5478 | ADVERTISED_TP; | |
5479 | ecmd->speed = SPEED_100; | |
5480 | ecmd->port = PORT_TP; | |
5481 | break; | |
5482 | ||
5483 | case QETH_LINK_TYPE_GBIT_ETH: | |
5484 | case QETH_LINK_TYPE_LANE_ETH1000: | |
5485 | ecmd->supported |= SUPPORTED_10baseT_Half | | |
5486 | SUPPORTED_10baseT_Full | | |
5487 | SUPPORTED_100baseT_Half | | |
5488 | SUPPORTED_100baseT_Full | | |
5489 | SUPPORTED_1000baseT_Half | | |
5490 | SUPPORTED_1000baseT_Full | | |
5491 | SUPPORTED_FIBRE; | |
5492 | ecmd->advertising |= ADVERTISED_10baseT_Half | | |
5493 | ADVERTISED_10baseT_Full | | |
5494 | ADVERTISED_100baseT_Half | | |
5495 | ADVERTISED_100baseT_Full | | |
5496 | ADVERTISED_1000baseT_Half | | |
5497 | ADVERTISED_1000baseT_Full | | |
5498 | ADVERTISED_FIBRE; | |
5499 | ecmd->speed = SPEED_1000; | |
5500 | ecmd->port = PORT_FIBRE; | |
5501 | break; | |
5502 | ||
5503 | case QETH_LINK_TYPE_10GBIT_ETH: | |
5504 | ecmd->supported |= SUPPORTED_10baseT_Half | | |
5505 | SUPPORTED_10baseT_Full | | |
5506 | SUPPORTED_100baseT_Half | | |
5507 | SUPPORTED_100baseT_Full | | |
5508 | SUPPORTED_1000baseT_Half | | |
5509 | SUPPORTED_1000baseT_Full | | |
5510 | SUPPORTED_10000baseT_Full | | |
5511 | SUPPORTED_FIBRE; | |
5512 | ecmd->advertising |= ADVERTISED_10baseT_Half | | |
5513 | ADVERTISED_10baseT_Full | | |
5514 | ADVERTISED_100baseT_Half | | |
5515 | ADVERTISED_100baseT_Full | | |
5516 | ADVERTISED_1000baseT_Half | | |
5517 | ADVERTISED_1000baseT_Full | | |
5518 | ADVERTISED_10000baseT_Full | | |
5519 | ADVERTISED_FIBRE; | |
5520 | ecmd->speed = SPEED_10000; | |
5521 | ecmd->port = PORT_FIBRE; | |
5522 | break; | |
5523 | ||
5524 | default: | |
5525 | ecmd->supported |= SUPPORTED_10baseT_Half | | |
5526 | SUPPORTED_10baseT_Full | | |
5527 | SUPPORTED_TP; | |
5528 | ecmd->advertising |= ADVERTISED_10baseT_Half | | |
5529 | ADVERTISED_10baseT_Full | | |
5530 | ADVERTISED_TP; | |
5531 | ecmd->speed = SPEED_10; | |
5532 | ecmd->port = PORT_TP; | |
5533 | } | |
5534 | ||
5535 | return 0; | |
5536 | } | |
5537 | EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings); | |
5538 | ||
4a71df50 FB |
5539 | static int __init qeth_core_init(void) |
5540 | { | |
5541 | int rc; | |
5542 | ||
74eacdb9 | 5543 | pr_info("loading core functions\n"); |
4a71df50 FB |
5544 | INIT_LIST_HEAD(&qeth_core_card_list.list); |
5545 | rwlock_init(&qeth_core_card_list.rwlock); | |
2022e00c | 5546 | mutex_init(&qeth_mod_mutex); |
4a71df50 FB |
5547 | |
5548 | rc = qeth_register_dbf_views(); | |
5549 | if (rc) | |
5550 | goto out_err; | |
5551 | rc = ccw_driver_register(&qeth_ccw_driver); | |
5552 | if (rc) | |
5553 | goto ccw_err; | |
5554 | rc = ccwgroup_driver_register(&qeth_core_ccwgroup_driver); | |
5555 | if (rc) | |
5556 | goto ccwgroup_err; | |
5557 | rc = driver_create_file(&qeth_core_ccwgroup_driver.driver, | |
5558 | &driver_attr_group); | |
5559 | if (rc) | |
5560 | goto driver_err; | |
035da16f | 5561 | qeth_core_root_dev = root_device_register("qeth"); |
4a71df50 FB |
5562 | rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0; |
5563 | if (rc) | |
5564 | goto register_err; | |
4a71df50 | 5565 | |
683d718a FB |
5566 | qeth_core_header_cache = kmem_cache_create("qeth_hdr", |
5567 | sizeof(struct qeth_hdr) + ETH_HLEN, 64, 0, NULL); | |
5568 | if (!qeth_core_header_cache) { | |
5569 | rc = -ENOMEM; | |
5570 | goto slab_err; | |
5571 | } | |
5572 | ||
0da9581d EL |
5573 | qeth_qdio_outbuf_cache = kmem_cache_create("qeth_buf", |
5574 | sizeof(struct qeth_qdio_out_buffer), 0, 0, NULL); | |
5575 | if (!qeth_qdio_outbuf_cache) { | |
5576 | rc = -ENOMEM; | |
5577 | goto cqslab_err; | |
5578 | } | |
5579 | ||
683d718a | 5580 | return 0; |
0da9581d EL |
5581 | cqslab_err: |
5582 | kmem_cache_destroy(qeth_core_header_cache); | |
683d718a | 5583 | slab_err: |
035da16f | 5584 | root_device_unregister(qeth_core_root_dev); |
4a71df50 FB |
5585 | register_err: |
5586 | driver_remove_file(&qeth_core_ccwgroup_driver.driver, | |
5587 | &driver_attr_group); | |
5588 | driver_err: | |
5589 | ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); | |
5590 | ccwgroup_err: | |
5591 | ccw_driver_unregister(&qeth_ccw_driver); | |
5592 | ccw_err: | |
74eacdb9 | 5593 | QETH_DBF_MESSAGE(2, "Initialization failed with code %d\n", rc); |
4a71df50 FB |
5594 | qeth_unregister_dbf_views(); |
5595 | out_err: | |
74eacdb9 | 5596 | pr_err("Initializing the qeth device driver failed\n"); |
4a71df50 FB |
5597 | return rc; |
5598 | } | |
5599 | ||
5600 | static void __exit qeth_core_exit(void) | |
5601 | { | |
035da16f | 5602 | root_device_unregister(qeth_core_root_dev); |
4a71df50 FB |
5603 | driver_remove_file(&qeth_core_ccwgroup_driver.driver, |
5604 | &driver_attr_group); | |
5605 | ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); | |
5606 | ccw_driver_unregister(&qeth_ccw_driver); | |
0da9581d | 5607 | kmem_cache_destroy(qeth_qdio_outbuf_cache); |
683d718a | 5608 | kmem_cache_destroy(qeth_core_header_cache); |
4a71df50 | 5609 | qeth_unregister_dbf_views(); |
74eacdb9 | 5610 | pr_info("core functions removed\n"); |
4a71df50 FB |
5611 | } |
5612 | ||
5613 | module_init(qeth_core_init); | |
5614 | module_exit(qeth_core_exit); | |
5615 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
5616 | MODULE_DESCRIPTION("qeth core functions"); | |
5617 | MODULE_LICENSE("GPL"); |