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Commit | Line | Data |
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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> |
4a71df50 | 24 | |
ab4227cb MS |
25 | #include <asm/ebcdic.h> |
26 | #include <asm/io.h> | |
1da74b1c | 27 | #include <asm/sysinfo.h> |
4a71df50 FB |
28 | |
29 | #include "qeth_core.h" | |
4a71df50 | 30 | |
d11ba0c4 PT |
31 | struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS] = { |
32 | /* define dbf - Name, Pages, Areas, Maxlen, Level, View, Handle */ | |
33 | /* N P A M L V H */ | |
34 | [QETH_DBF_SETUP] = {"qeth_setup", | |
35 | 8, 1, 8, 5, &debug_hex_ascii_view, NULL}, | |
d11ba0c4 PT |
36 | [QETH_DBF_MSG] = {"qeth_msg", |
37 | 8, 1, 128, 3, &debug_sprintf_view, NULL}, | |
d11ba0c4 PT |
38 | [QETH_DBF_CTRL] = {"qeth_control", |
39 | 8, 1, QETH_DBF_CTRL_LEN, 5, &debug_hex_ascii_view, NULL}, | |
40 | }; | |
41 | EXPORT_SYMBOL_GPL(qeth_dbf); | |
4a71df50 FB |
42 | |
43 | struct qeth_card_list_struct qeth_core_card_list; | |
44 | EXPORT_SYMBOL_GPL(qeth_core_card_list); | |
683d718a FB |
45 | struct kmem_cache *qeth_core_header_cache; |
46 | EXPORT_SYMBOL_GPL(qeth_core_header_cache); | |
4a71df50 FB |
47 | |
48 | static struct device *qeth_core_root_dev; | |
5113fec0 | 49 | static unsigned int known_devices[][6] = QETH_MODELLIST_ARRAY; |
4a71df50 | 50 | static struct lock_class_key qdio_out_skb_queue_key; |
4a71df50 FB |
51 | |
52 | static void qeth_send_control_data_cb(struct qeth_channel *, | |
53 | struct qeth_cmd_buffer *); | |
54 | static int qeth_issue_next_read(struct qeth_card *); | |
55 | static struct qeth_cmd_buffer *qeth_get_buffer(struct qeth_channel *); | |
56 | static void qeth_setup_ccw(struct qeth_channel *, unsigned char *, __u32); | |
57 | static void qeth_free_buffer_pool(struct qeth_card *); | |
58 | static int qeth_qdio_establish(struct qeth_card *); | |
59 | ||
60 | ||
4a71df50 FB |
61 | static inline const char *qeth_get_cardname(struct qeth_card *card) |
62 | { | |
63 | if (card->info.guestlan) { | |
64 | switch (card->info.type) { | |
5113fec0 | 65 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
66 | return " Guest LAN QDIO"; |
67 | case QETH_CARD_TYPE_IQD: | |
68 | return " Guest LAN Hiper"; | |
5113fec0 UB |
69 | case QETH_CARD_TYPE_OSM: |
70 | return " Guest LAN QDIO - OSM"; | |
71 | case QETH_CARD_TYPE_OSX: | |
72 | return " Guest LAN QDIO - OSX"; | |
4a71df50 FB |
73 | default: |
74 | return " unknown"; | |
75 | } | |
76 | } else { | |
77 | switch (card->info.type) { | |
5113fec0 | 78 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
79 | return " OSD Express"; |
80 | case QETH_CARD_TYPE_IQD: | |
81 | return " HiperSockets"; | |
82 | case QETH_CARD_TYPE_OSN: | |
83 | return " OSN QDIO"; | |
5113fec0 UB |
84 | case QETH_CARD_TYPE_OSM: |
85 | return " OSM QDIO"; | |
86 | case QETH_CARD_TYPE_OSX: | |
87 | return " OSX QDIO"; | |
4a71df50 FB |
88 | default: |
89 | return " unknown"; | |
90 | } | |
91 | } | |
92 | return " n/a"; | |
93 | } | |
94 | ||
95 | /* max length to be returned: 14 */ | |
96 | const char *qeth_get_cardname_short(struct qeth_card *card) | |
97 | { | |
98 | if (card->info.guestlan) { | |
99 | switch (card->info.type) { | |
5113fec0 | 100 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
101 | return "GuestLAN QDIO"; |
102 | case QETH_CARD_TYPE_IQD: | |
103 | return "GuestLAN Hiper"; | |
5113fec0 UB |
104 | case QETH_CARD_TYPE_OSM: |
105 | return "GuestLAN OSM"; | |
106 | case QETH_CARD_TYPE_OSX: | |
107 | return "GuestLAN OSX"; | |
4a71df50 FB |
108 | default: |
109 | return "unknown"; | |
110 | } | |
111 | } else { | |
112 | switch (card->info.type) { | |
5113fec0 | 113 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
114 | switch (card->info.link_type) { |
115 | case QETH_LINK_TYPE_FAST_ETH: | |
116 | return "OSD_100"; | |
117 | case QETH_LINK_TYPE_HSTR: | |
118 | return "HSTR"; | |
119 | case QETH_LINK_TYPE_GBIT_ETH: | |
120 | return "OSD_1000"; | |
121 | case QETH_LINK_TYPE_10GBIT_ETH: | |
122 | return "OSD_10GIG"; | |
123 | case QETH_LINK_TYPE_LANE_ETH100: | |
124 | return "OSD_FE_LANE"; | |
125 | case QETH_LINK_TYPE_LANE_TR: | |
126 | return "OSD_TR_LANE"; | |
127 | case QETH_LINK_TYPE_LANE_ETH1000: | |
128 | return "OSD_GbE_LANE"; | |
129 | case QETH_LINK_TYPE_LANE: | |
130 | return "OSD_ATM_LANE"; | |
131 | default: | |
132 | return "OSD_Express"; | |
133 | } | |
134 | case QETH_CARD_TYPE_IQD: | |
135 | return "HiperSockets"; | |
136 | case QETH_CARD_TYPE_OSN: | |
137 | return "OSN"; | |
5113fec0 UB |
138 | case QETH_CARD_TYPE_OSM: |
139 | return "OSM_1000"; | |
140 | case QETH_CARD_TYPE_OSX: | |
141 | return "OSX_10GIG"; | |
4a71df50 FB |
142 | default: |
143 | return "unknown"; | |
144 | } | |
145 | } | |
146 | return "n/a"; | |
147 | } | |
148 | ||
149 | void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads, | |
150 | int clear_start_mask) | |
151 | { | |
152 | unsigned long flags; | |
153 | ||
154 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
155 | card->thread_allowed_mask = threads; | |
156 | if (clear_start_mask) | |
157 | card->thread_start_mask &= threads; | |
158 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
159 | wake_up(&card->wait_q); | |
160 | } | |
161 | EXPORT_SYMBOL_GPL(qeth_set_allowed_threads); | |
162 | ||
163 | int qeth_threads_running(struct qeth_card *card, unsigned long threads) | |
164 | { | |
165 | unsigned long flags; | |
166 | int rc = 0; | |
167 | ||
168 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
169 | rc = (card->thread_running_mask & threads); | |
170 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
171 | return rc; | |
172 | } | |
173 | EXPORT_SYMBOL_GPL(qeth_threads_running); | |
174 | ||
175 | int qeth_wait_for_threads(struct qeth_card *card, unsigned long threads) | |
176 | { | |
177 | return wait_event_interruptible(card->wait_q, | |
178 | qeth_threads_running(card, threads) == 0); | |
179 | } | |
180 | EXPORT_SYMBOL_GPL(qeth_wait_for_threads); | |
181 | ||
182 | void qeth_clear_working_pool_list(struct qeth_card *card) | |
183 | { | |
184 | struct qeth_buffer_pool_entry *pool_entry, *tmp; | |
185 | ||
847a50fd | 186 | QETH_CARD_TEXT(card, 5, "clwrklst"); |
4a71df50 FB |
187 | list_for_each_entry_safe(pool_entry, tmp, |
188 | &card->qdio.in_buf_pool.entry_list, list){ | |
189 | list_del(&pool_entry->list); | |
190 | } | |
191 | } | |
192 | EXPORT_SYMBOL_GPL(qeth_clear_working_pool_list); | |
193 | ||
194 | static int qeth_alloc_buffer_pool(struct qeth_card *card) | |
195 | { | |
196 | struct qeth_buffer_pool_entry *pool_entry; | |
197 | void *ptr; | |
198 | int i, j; | |
199 | ||
847a50fd | 200 | QETH_CARD_TEXT(card, 5, "alocpool"); |
4a71df50 FB |
201 | for (i = 0; i < card->qdio.init_pool.buf_count; ++i) { |
202 | pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL); | |
203 | if (!pool_entry) { | |
204 | qeth_free_buffer_pool(card); | |
205 | return -ENOMEM; | |
206 | } | |
207 | for (j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j) { | |
508b3c4f | 208 | ptr = (void *) __get_free_page(GFP_KERNEL); |
4a71df50 FB |
209 | if (!ptr) { |
210 | while (j > 0) | |
211 | free_page((unsigned long) | |
212 | pool_entry->elements[--j]); | |
213 | kfree(pool_entry); | |
214 | qeth_free_buffer_pool(card); | |
215 | return -ENOMEM; | |
216 | } | |
217 | pool_entry->elements[j] = ptr; | |
218 | } | |
219 | list_add(&pool_entry->init_list, | |
220 | &card->qdio.init_pool.entry_list); | |
221 | } | |
222 | return 0; | |
223 | } | |
224 | ||
225 | int qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt) | |
226 | { | |
847a50fd | 227 | QETH_CARD_TEXT(card, 2, "realcbp"); |
4a71df50 FB |
228 | |
229 | if ((card->state != CARD_STATE_DOWN) && | |
230 | (card->state != CARD_STATE_RECOVER)) | |
231 | return -EPERM; | |
232 | ||
233 | /* TODO: steel/add buffers from/to a running card's buffer pool (?) */ | |
234 | qeth_clear_working_pool_list(card); | |
235 | qeth_free_buffer_pool(card); | |
236 | card->qdio.in_buf_pool.buf_count = bufcnt; | |
237 | card->qdio.init_pool.buf_count = bufcnt; | |
238 | return qeth_alloc_buffer_pool(card); | |
239 | } | |
76b11f8e | 240 | EXPORT_SYMBOL_GPL(qeth_realloc_buffer_pool); |
4a71df50 | 241 | |
4a71df50 FB |
242 | static int qeth_issue_next_read(struct qeth_card *card) |
243 | { | |
244 | int rc; | |
245 | struct qeth_cmd_buffer *iob; | |
246 | ||
847a50fd | 247 | QETH_CARD_TEXT(card, 5, "issnxrd"); |
4a71df50 FB |
248 | if (card->read.state != CH_STATE_UP) |
249 | return -EIO; | |
250 | iob = qeth_get_buffer(&card->read); | |
251 | if (!iob) { | |
74eacdb9 FB |
252 | dev_warn(&card->gdev->dev, "The qeth device driver " |
253 | "failed to recover an error on the device\n"); | |
254 | QETH_DBF_MESSAGE(2, "%s issue_next_read failed: no iob " | |
255 | "available\n", dev_name(&card->gdev->dev)); | |
4a71df50 FB |
256 | return -ENOMEM; |
257 | } | |
258 | qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE); | |
847a50fd | 259 | QETH_CARD_TEXT(card, 6, "noirqpnd"); |
4a71df50 FB |
260 | rc = ccw_device_start(card->read.ccwdev, &card->read.ccw, |
261 | (addr_t) iob, 0, 0); | |
262 | if (rc) { | |
74eacdb9 FB |
263 | QETH_DBF_MESSAGE(2, "%s error in starting next read ccw! " |
264 | "rc=%i\n", dev_name(&card->gdev->dev), rc); | |
4a71df50 | 265 | atomic_set(&card->read.irq_pending, 0); |
908abbb5 | 266 | card->read_or_write_problem = 1; |
4a71df50 FB |
267 | qeth_schedule_recovery(card); |
268 | wake_up(&card->wait_q); | |
269 | } | |
270 | return rc; | |
271 | } | |
272 | ||
273 | static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card) | |
274 | { | |
275 | struct qeth_reply *reply; | |
276 | ||
277 | reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC); | |
278 | if (reply) { | |
279 | atomic_set(&reply->refcnt, 1); | |
280 | atomic_set(&reply->received, 0); | |
281 | reply->card = card; | |
282 | }; | |
283 | return reply; | |
284 | } | |
285 | ||
286 | static void qeth_get_reply(struct qeth_reply *reply) | |
287 | { | |
288 | WARN_ON(atomic_read(&reply->refcnt) <= 0); | |
289 | atomic_inc(&reply->refcnt); | |
290 | } | |
291 | ||
292 | static void qeth_put_reply(struct qeth_reply *reply) | |
293 | { | |
294 | WARN_ON(atomic_read(&reply->refcnt) <= 0); | |
295 | if (atomic_dec_and_test(&reply->refcnt)) | |
296 | kfree(reply); | |
297 | } | |
298 | ||
d11ba0c4 | 299 | static void qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, int rc, |
4a71df50 FB |
300 | struct qeth_card *card) |
301 | { | |
4a71df50 | 302 | char *ipa_name; |
d11ba0c4 | 303 | int com = cmd->hdr.command; |
4a71df50 | 304 | ipa_name = qeth_get_ipa_cmd_name(com); |
d11ba0c4 | 305 | if (rc) |
70919e23 UB |
306 | QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s/%s returned " |
307 | "x%X \"%s\"\n", | |
308 | ipa_name, com, dev_name(&card->gdev->dev), | |
309 | QETH_CARD_IFNAME(card), rc, | |
310 | qeth_get_ipa_msg(rc)); | |
d11ba0c4 | 311 | else |
70919e23 UB |
312 | QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s/%s succeeded\n", |
313 | ipa_name, com, dev_name(&card->gdev->dev), | |
314 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
315 | } |
316 | ||
317 | static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card, | |
318 | struct qeth_cmd_buffer *iob) | |
319 | { | |
320 | struct qeth_ipa_cmd *cmd = NULL; | |
321 | ||
847a50fd | 322 | QETH_CARD_TEXT(card, 5, "chkipad"); |
4a71df50 FB |
323 | if (IS_IPA(iob->data)) { |
324 | cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data); | |
325 | if (IS_IPA_REPLY(cmd)) { | |
76b11f8e UB |
326 | if (cmd->hdr.command != IPA_CMD_SETCCID && |
327 | cmd->hdr.command != IPA_CMD_DELCCID && | |
328 | cmd->hdr.command != IPA_CMD_MODCCID && | |
329 | cmd->hdr.command != IPA_CMD_SET_DIAG_ASS) | |
d11ba0c4 PT |
330 | qeth_issue_ipa_msg(cmd, |
331 | cmd->hdr.return_code, card); | |
4a71df50 FB |
332 | return cmd; |
333 | } else { | |
334 | switch (cmd->hdr.command) { | |
335 | case IPA_CMD_STOPLAN: | |
74eacdb9 FB |
336 | dev_warn(&card->gdev->dev, |
337 | "The link for interface %s on CHPID" | |
338 | " 0x%X failed\n", | |
4a71df50 FB |
339 | QETH_CARD_IFNAME(card), |
340 | card->info.chpid); | |
341 | card->lan_online = 0; | |
342 | if (card->dev && netif_carrier_ok(card->dev)) | |
343 | netif_carrier_off(card->dev); | |
344 | return NULL; | |
345 | case IPA_CMD_STARTLAN: | |
74eacdb9 FB |
346 | dev_info(&card->gdev->dev, |
347 | "The link for %s on CHPID 0x%X has" | |
348 | " been restored\n", | |
4a71df50 FB |
349 | QETH_CARD_IFNAME(card), |
350 | card->info.chpid); | |
351 | netif_carrier_on(card->dev); | |
922dc062 | 352 | card->lan_online = 1; |
1da74b1c FB |
353 | if (card->info.hwtrap) |
354 | card->info.hwtrap = 2; | |
4a71df50 FB |
355 | qeth_schedule_recovery(card); |
356 | return NULL; | |
357 | case IPA_CMD_MODCCID: | |
358 | return cmd; | |
359 | case IPA_CMD_REGISTER_LOCAL_ADDR: | |
847a50fd | 360 | QETH_CARD_TEXT(card, 3, "irla"); |
4a71df50 FB |
361 | break; |
362 | case IPA_CMD_UNREGISTER_LOCAL_ADDR: | |
847a50fd | 363 | QETH_CARD_TEXT(card, 3, "urla"); |
4a71df50 FB |
364 | break; |
365 | default: | |
c4cef07c | 366 | QETH_DBF_MESSAGE(2, "Received data is IPA " |
4a71df50 FB |
367 | "but not a reply!\n"); |
368 | break; | |
369 | } | |
370 | } | |
371 | } | |
372 | return cmd; | |
373 | } | |
374 | ||
375 | void qeth_clear_ipacmd_list(struct qeth_card *card) | |
376 | { | |
377 | struct qeth_reply *reply, *r; | |
378 | unsigned long flags; | |
379 | ||
847a50fd | 380 | QETH_CARD_TEXT(card, 4, "clipalst"); |
4a71df50 FB |
381 | |
382 | spin_lock_irqsave(&card->lock, flags); | |
383 | list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { | |
384 | qeth_get_reply(reply); | |
385 | reply->rc = -EIO; | |
386 | atomic_inc(&reply->received); | |
387 | list_del_init(&reply->list); | |
388 | wake_up(&reply->wait_q); | |
389 | qeth_put_reply(reply); | |
390 | } | |
391 | spin_unlock_irqrestore(&card->lock, flags); | |
908abbb5 | 392 | atomic_set(&card->write.irq_pending, 0); |
4a71df50 FB |
393 | } |
394 | EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list); | |
395 | ||
5113fec0 UB |
396 | static int qeth_check_idx_response(struct qeth_card *card, |
397 | unsigned char *buffer) | |
4a71df50 FB |
398 | { |
399 | if (!buffer) | |
400 | return 0; | |
401 | ||
d11ba0c4 | 402 | QETH_DBF_HEX(CTRL, 2, buffer, QETH_DBF_CTRL_LEN); |
4a71df50 | 403 | if ((buffer[2] & 0xc0) == 0xc0) { |
74eacdb9 | 404 | QETH_DBF_MESSAGE(2, "received an IDX TERMINATE " |
4a71df50 FB |
405 | "with cause code 0x%02x%s\n", |
406 | buffer[4], | |
407 | ((buffer[4] == 0x22) ? | |
408 | " -- try another portname" : "")); | |
847a50fd CO |
409 | QETH_CARD_TEXT(card, 2, "ckidxres"); |
410 | QETH_CARD_TEXT(card, 2, " idxterm"); | |
411 | QETH_CARD_TEXT_(card, 2, " rc%d", -EIO); | |
5113fec0 UB |
412 | if (buffer[4] == 0xf6) { |
413 | dev_err(&card->gdev->dev, | |
414 | "The qeth device is not configured " | |
415 | "for the OSI layer required by z/VM\n"); | |
416 | return -EPERM; | |
417 | } | |
4a71df50 FB |
418 | return -EIO; |
419 | } | |
420 | return 0; | |
421 | } | |
422 | ||
423 | static void qeth_setup_ccw(struct qeth_channel *channel, unsigned char *iob, | |
424 | __u32 len) | |
425 | { | |
426 | struct qeth_card *card; | |
427 | ||
4a71df50 | 428 | card = CARD_FROM_CDEV(channel->ccwdev); |
847a50fd | 429 | QETH_CARD_TEXT(card, 4, "setupccw"); |
4a71df50 FB |
430 | if (channel == &card->read) |
431 | memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); | |
432 | else | |
433 | memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); | |
434 | channel->ccw.count = len; | |
435 | channel->ccw.cda = (__u32) __pa(iob); | |
436 | } | |
437 | ||
438 | static struct qeth_cmd_buffer *__qeth_get_buffer(struct qeth_channel *channel) | |
439 | { | |
440 | __u8 index; | |
441 | ||
847a50fd | 442 | QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "getbuff"); |
4a71df50 FB |
443 | index = channel->io_buf_no; |
444 | do { | |
445 | if (channel->iob[index].state == BUF_STATE_FREE) { | |
446 | channel->iob[index].state = BUF_STATE_LOCKED; | |
447 | channel->io_buf_no = (channel->io_buf_no + 1) % | |
448 | QETH_CMD_BUFFER_NO; | |
449 | memset(channel->iob[index].data, 0, QETH_BUFSIZE); | |
450 | return channel->iob + index; | |
451 | } | |
452 | index = (index + 1) % QETH_CMD_BUFFER_NO; | |
453 | } while (index != channel->io_buf_no); | |
454 | ||
455 | return NULL; | |
456 | } | |
457 | ||
458 | void qeth_release_buffer(struct qeth_channel *channel, | |
459 | struct qeth_cmd_buffer *iob) | |
460 | { | |
461 | unsigned long flags; | |
462 | ||
847a50fd | 463 | QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "relbuff"); |
4a71df50 FB |
464 | spin_lock_irqsave(&channel->iob_lock, flags); |
465 | memset(iob->data, 0, QETH_BUFSIZE); | |
466 | iob->state = BUF_STATE_FREE; | |
467 | iob->callback = qeth_send_control_data_cb; | |
468 | iob->rc = 0; | |
469 | spin_unlock_irqrestore(&channel->iob_lock, flags); | |
470 | } | |
471 | EXPORT_SYMBOL_GPL(qeth_release_buffer); | |
472 | ||
473 | static struct qeth_cmd_buffer *qeth_get_buffer(struct qeth_channel *channel) | |
474 | { | |
475 | struct qeth_cmd_buffer *buffer = NULL; | |
476 | unsigned long flags; | |
477 | ||
478 | spin_lock_irqsave(&channel->iob_lock, flags); | |
479 | buffer = __qeth_get_buffer(channel); | |
480 | spin_unlock_irqrestore(&channel->iob_lock, flags); | |
481 | return buffer; | |
482 | } | |
483 | ||
484 | struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *channel) | |
485 | { | |
486 | struct qeth_cmd_buffer *buffer; | |
487 | wait_event(channel->wait_q, | |
488 | ((buffer = qeth_get_buffer(channel)) != NULL)); | |
489 | return buffer; | |
490 | } | |
491 | EXPORT_SYMBOL_GPL(qeth_wait_for_buffer); | |
492 | ||
493 | void qeth_clear_cmd_buffers(struct qeth_channel *channel) | |
494 | { | |
495 | int cnt; | |
496 | ||
497 | for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) | |
498 | qeth_release_buffer(channel, &channel->iob[cnt]); | |
499 | channel->buf_no = 0; | |
500 | channel->io_buf_no = 0; | |
501 | } | |
502 | EXPORT_SYMBOL_GPL(qeth_clear_cmd_buffers); | |
503 | ||
504 | static void qeth_send_control_data_cb(struct qeth_channel *channel, | |
505 | struct qeth_cmd_buffer *iob) | |
506 | { | |
507 | struct qeth_card *card; | |
508 | struct qeth_reply *reply, *r; | |
509 | struct qeth_ipa_cmd *cmd; | |
510 | unsigned long flags; | |
511 | int keep_reply; | |
5113fec0 | 512 | int rc = 0; |
4a71df50 | 513 | |
4a71df50 | 514 | card = CARD_FROM_CDEV(channel->ccwdev); |
847a50fd | 515 | QETH_CARD_TEXT(card, 4, "sndctlcb"); |
5113fec0 UB |
516 | rc = qeth_check_idx_response(card, iob->data); |
517 | switch (rc) { | |
518 | case 0: | |
519 | break; | |
520 | case -EIO: | |
4a71df50 | 521 | qeth_clear_ipacmd_list(card); |
5113fec0 | 522 | qeth_schedule_recovery(card); |
01fc3e86 | 523 | /* fall through */ |
5113fec0 | 524 | default: |
4a71df50 FB |
525 | goto out; |
526 | } | |
527 | ||
528 | cmd = qeth_check_ipa_data(card, iob); | |
529 | if ((cmd == NULL) && (card->state != CARD_STATE_DOWN)) | |
530 | goto out; | |
531 | /*in case of OSN : check if cmd is set */ | |
532 | if (card->info.type == QETH_CARD_TYPE_OSN && | |
533 | cmd && | |
534 | cmd->hdr.command != IPA_CMD_STARTLAN && | |
535 | card->osn_info.assist_cb != NULL) { | |
536 | card->osn_info.assist_cb(card->dev, cmd); | |
537 | goto out; | |
538 | } | |
539 | ||
540 | spin_lock_irqsave(&card->lock, flags); | |
541 | list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { | |
542 | if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) || | |
543 | ((cmd) && (reply->seqno == cmd->hdr.seqno))) { | |
544 | qeth_get_reply(reply); | |
545 | list_del_init(&reply->list); | |
546 | spin_unlock_irqrestore(&card->lock, flags); | |
547 | keep_reply = 0; | |
548 | if (reply->callback != NULL) { | |
549 | if (cmd) { | |
550 | reply->offset = (__u16)((char *)cmd - | |
551 | (char *)iob->data); | |
552 | keep_reply = reply->callback(card, | |
553 | reply, | |
554 | (unsigned long)cmd); | |
555 | } else | |
556 | keep_reply = reply->callback(card, | |
557 | reply, | |
558 | (unsigned long)iob); | |
559 | } | |
560 | if (cmd) | |
561 | reply->rc = (u16) cmd->hdr.return_code; | |
562 | else if (iob->rc) | |
563 | reply->rc = iob->rc; | |
564 | if (keep_reply) { | |
565 | spin_lock_irqsave(&card->lock, flags); | |
566 | list_add_tail(&reply->list, | |
567 | &card->cmd_waiter_list); | |
568 | spin_unlock_irqrestore(&card->lock, flags); | |
569 | } else { | |
570 | atomic_inc(&reply->received); | |
571 | wake_up(&reply->wait_q); | |
572 | } | |
573 | qeth_put_reply(reply); | |
574 | goto out; | |
575 | } | |
576 | } | |
577 | spin_unlock_irqrestore(&card->lock, flags); | |
578 | out: | |
579 | memcpy(&card->seqno.pdu_hdr_ack, | |
580 | QETH_PDU_HEADER_SEQ_NO(iob->data), | |
581 | QETH_SEQ_NO_LENGTH); | |
582 | qeth_release_buffer(channel, iob); | |
583 | } | |
584 | ||
585 | static int qeth_setup_channel(struct qeth_channel *channel) | |
586 | { | |
587 | int cnt; | |
588 | ||
d11ba0c4 | 589 | QETH_DBF_TEXT(SETUP, 2, "setupch"); |
4a71df50 | 590 | for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) { |
ae57b20a | 591 | channel->iob[cnt].data = |
4a71df50 FB |
592 | kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL); |
593 | if (channel->iob[cnt].data == NULL) | |
594 | break; | |
595 | channel->iob[cnt].state = BUF_STATE_FREE; | |
596 | channel->iob[cnt].channel = channel; | |
597 | channel->iob[cnt].callback = qeth_send_control_data_cb; | |
598 | channel->iob[cnt].rc = 0; | |
599 | } | |
600 | if (cnt < QETH_CMD_BUFFER_NO) { | |
601 | while (cnt-- > 0) | |
602 | kfree(channel->iob[cnt].data); | |
603 | return -ENOMEM; | |
604 | } | |
605 | channel->buf_no = 0; | |
606 | channel->io_buf_no = 0; | |
607 | atomic_set(&channel->irq_pending, 0); | |
608 | spin_lock_init(&channel->iob_lock); | |
609 | ||
610 | init_waitqueue_head(&channel->wait_q); | |
611 | return 0; | |
612 | } | |
613 | ||
614 | static int qeth_set_thread_start_bit(struct qeth_card *card, | |
615 | unsigned long thread) | |
616 | { | |
617 | unsigned long flags; | |
618 | ||
619 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
620 | if (!(card->thread_allowed_mask & thread) || | |
621 | (card->thread_start_mask & thread)) { | |
622 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
623 | return -EPERM; | |
624 | } | |
625 | card->thread_start_mask |= thread; | |
626 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
627 | return 0; | |
628 | } | |
629 | ||
630 | void qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread) | |
631 | { | |
632 | unsigned long flags; | |
633 | ||
634 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
635 | card->thread_start_mask &= ~thread; | |
636 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
637 | wake_up(&card->wait_q); | |
638 | } | |
639 | EXPORT_SYMBOL_GPL(qeth_clear_thread_start_bit); | |
640 | ||
641 | void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread) | |
642 | { | |
643 | unsigned long flags; | |
644 | ||
645 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
646 | card->thread_running_mask &= ~thread; | |
647 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
648 | wake_up(&card->wait_q); | |
649 | } | |
650 | EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit); | |
651 | ||
652 | static int __qeth_do_run_thread(struct qeth_card *card, unsigned long thread) | |
653 | { | |
654 | unsigned long flags; | |
655 | int rc = 0; | |
656 | ||
657 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
658 | if (card->thread_start_mask & thread) { | |
659 | if ((card->thread_allowed_mask & thread) && | |
660 | !(card->thread_running_mask & thread)) { | |
661 | rc = 1; | |
662 | card->thread_start_mask &= ~thread; | |
663 | card->thread_running_mask |= thread; | |
664 | } else | |
665 | rc = -EPERM; | |
666 | } | |
667 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
668 | return rc; | |
669 | } | |
670 | ||
671 | int qeth_do_run_thread(struct qeth_card *card, unsigned long thread) | |
672 | { | |
673 | int rc = 0; | |
674 | ||
675 | wait_event(card->wait_q, | |
676 | (rc = __qeth_do_run_thread(card, thread)) >= 0); | |
677 | return rc; | |
678 | } | |
679 | EXPORT_SYMBOL_GPL(qeth_do_run_thread); | |
680 | ||
681 | void qeth_schedule_recovery(struct qeth_card *card) | |
682 | { | |
847a50fd | 683 | QETH_CARD_TEXT(card, 2, "startrec"); |
4a71df50 FB |
684 | if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0) |
685 | schedule_work(&card->kernel_thread_starter); | |
686 | } | |
687 | EXPORT_SYMBOL_GPL(qeth_schedule_recovery); | |
688 | ||
689 | static int qeth_get_problem(struct ccw_device *cdev, struct irb *irb) | |
690 | { | |
691 | int dstat, cstat; | |
692 | char *sense; | |
847a50fd | 693 | struct qeth_card *card; |
4a71df50 FB |
694 | |
695 | sense = (char *) irb->ecw; | |
23d805b6 PO |
696 | cstat = irb->scsw.cmd.cstat; |
697 | dstat = irb->scsw.cmd.dstat; | |
847a50fd | 698 | card = CARD_FROM_CDEV(cdev); |
4a71df50 FB |
699 | |
700 | if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK | | |
701 | SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK | | |
702 | SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) { | |
847a50fd | 703 | QETH_CARD_TEXT(card, 2, "CGENCHK"); |
74eacdb9 FB |
704 | dev_warn(&cdev->dev, "The qeth device driver " |
705 | "failed to recover an error on the device\n"); | |
5113fec0 | 706 | QETH_DBF_MESSAGE(2, "%s check on device dstat=x%x, cstat=x%x\n", |
74eacdb9 | 707 | dev_name(&cdev->dev), dstat, cstat); |
4a71df50 FB |
708 | print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET, |
709 | 16, 1, irb, 64, 1); | |
710 | return 1; | |
711 | } | |
712 | ||
713 | if (dstat & DEV_STAT_UNIT_CHECK) { | |
714 | if (sense[SENSE_RESETTING_EVENT_BYTE] & | |
715 | SENSE_RESETTING_EVENT_FLAG) { | |
847a50fd | 716 | QETH_CARD_TEXT(card, 2, "REVIND"); |
4a71df50 FB |
717 | return 1; |
718 | } | |
719 | if (sense[SENSE_COMMAND_REJECT_BYTE] & | |
720 | SENSE_COMMAND_REJECT_FLAG) { | |
847a50fd | 721 | QETH_CARD_TEXT(card, 2, "CMDREJi"); |
28a7e4c9 | 722 | return 1; |
4a71df50 FB |
723 | } |
724 | if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) { | |
847a50fd | 725 | QETH_CARD_TEXT(card, 2, "AFFE"); |
4a71df50 FB |
726 | return 1; |
727 | } | |
728 | if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) { | |
847a50fd | 729 | QETH_CARD_TEXT(card, 2, "ZEROSEN"); |
4a71df50 FB |
730 | return 0; |
731 | } | |
847a50fd | 732 | QETH_CARD_TEXT(card, 2, "DGENCHK"); |
4a71df50 FB |
733 | return 1; |
734 | } | |
735 | return 0; | |
736 | } | |
737 | ||
738 | static long __qeth_check_irb_error(struct ccw_device *cdev, | |
739 | unsigned long intparm, struct irb *irb) | |
740 | { | |
847a50fd CO |
741 | struct qeth_card *card; |
742 | ||
743 | card = CARD_FROM_CDEV(cdev); | |
744 | ||
4a71df50 FB |
745 | if (!IS_ERR(irb)) |
746 | return 0; | |
747 | ||
748 | switch (PTR_ERR(irb)) { | |
749 | case -EIO: | |
74eacdb9 FB |
750 | QETH_DBF_MESSAGE(2, "%s i/o-error on device\n", |
751 | dev_name(&cdev->dev)); | |
847a50fd CO |
752 | QETH_CARD_TEXT(card, 2, "ckirberr"); |
753 | QETH_CARD_TEXT_(card, 2, " rc%d", -EIO); | |
4a71df50 FB |
754 | break; |
755 | case -ETIMEDOUT: | |
74eacdb9 FB |
756 | dev_warn(&cdev->dev, "A hardware operation timed out" |
757 | " on the device\n"); | |
847a50fd CO |
758 | QETH_CARD_TEXT(card, 2, "ckirberr"); |
759 | QETH_CARD_TEXT_(card, 2, " rc%d", -ETIMEDOUT); | |
4a71df50 | 760 | if (intparm == QETH_RCD_PARM) { |
4a71df50 FB |
761 | if (card && (card->data.ccwdev == cdev)) { |
762 | card->data.state = CH_STATE_DOWN; | |
763 | wake_up(&card->wait_q); | |
764 | } | |
765 | } | |
766 | break; | |
767 | default: | |
74eacdb9 FB |
768 | QETH_DBF_MESSAGE(2, "%s unknown error %ld on device\n", |
769 | dev_name(&cdev->dev), PTR_ERR(irb)); | |
847a50fd CO |
770 | QETH_CARD_TEXT(card, 2, "ckirberr"); |
771 | QETH_CARD_TEXT(card, 2, " rc???"); | |
4a71df50 FB |
772 | } |
773 | return PTR_ERR(irb); | |
774 | } | |
775 | ||
776 | static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, | |
777 | struct irb *irb) | |
778 | { | |
779 | int rc; | |
780 | int cstat, dstat; | |
781 | struct qeth_cmd_buffer *buffer; | |
782 | struct qeth_channel *channel; | |
783 | struct qeth_card *card; | |
784 | struct qeth_cmd_buffer *iob; | |
785 | __u8 index; | |
786 | ||
4a71df50 FB |
787 | if (__qeth_check_irb_error(cdev, intparm, irb)) |
788 | return; | |
23d805b6 PO |
789 | cstat = irb->scsw.cmd.cstat; |
790 | dstat = irb->scsw.cmd.dstat; | |
4a71df50 FB |
791 | |
792 | card = CARD_FROM_CDEV(cdev); | |
793 | if (!card) | |
794 | return; | |
795 | ||
847a50fd CO |
796 | QETH_CARD_TEXT(card, 5, "irq"); |
797 | ||
4a71df50 FB |
798 | if (card->read.ccwdev == cdev) { |
799 | channel = &card->read; | |
847a50fd | 800 | QETH_CARD_TEXT(card, 5, "read"); |
4a71df50 FB |
801 | } else if (card->write.ccwdev == cdev) { |
802 | channel = &card->write; | |
847a50fd | 803 | QETH_CARD_TEXT(card, 5, "write"); |
4a71df50 FB |
804 | } else { |
805 | channel = &card->data; | |
847a50fd | 806 | QETH_CARD_TEXT(card, 5, "data"); |
4a71df50 FB |
807 | } |
808 | atomic_set(&channel->irq_pending, 0); | |
809 | ||
23d805b6 | 810 | if (irb->scsw.cmd.fctl & (SCSW_FCTL_CLEAR_FUNC)) |
4a71df50 FB |
811 | channel->state = CH_STATE_STOPPED; |
812 | ||
23d805b6 | 813 | if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC)) |
4a71df50 FB |
814 | channel->state = CH_STATE_HALTED; |
815 | ||
816 | /*let's wake up immediately on data channel*/ | |
817 | if ((channel == &card->data) && (intparm != 0) && | |
818 | (intparm != QETH_RCD_PARM)) | |
819 | goto out; | |
820 | ||
821 | if (intparm == QETH_CLEAR_CHANNEL_PARM) { | |
847a50fd | 822 | QETH_CARD_TEXT(card, 6, "clrchpar"); |
4a71df50 FB |
823 | /* we don't have to handle this further */ |
824 | intparm = 0; | |
825 | } | |
826 | if (intparm == QETH_HALT_CHANNEL_PARM) { | |
847a50fd | 827 | QETH_CARD_TEXT(card, 6, "hltchpar"); |
4a71df50 FB |
828 | /* we don't have to handle this further */ |
829 | intparm = 0; | |
830 | } | |
831 | if ((dstat & DEV_STAT_UNIT_EXCEP) || | |
832 | (dstat & DEV_STAT_UNIT_CHECK) || | |
833 | (cstat)) { | |
834 | if (irb->esw.esw0.erw.cons) { | |
74eacdb9 FB |
835 | dev_warn(&channel->ccwdev->dev, |
836 | "The qeth device driver failed to recover " | |
837 | "an error on the device\n"); | |
838 | QETH_DBF_MESSAGE(2, "%s sense data available. cstat " | |
839 | "0x%X dstat 0x%X\n", | |
840 | dev_name(&channel->ccwdev->dev), cstat, dstat); | |
4a71df50 FB |
841 | print_hex_dump(KERN_WARNING, "qeth: irb ", |
842 | DUMP_PREFIX_OFFSET, 16, 1, irb, 32, 1); | |
843 | print_hex_dump(KERN_WARNING, "qeth: sense data ", | |
844 | DUMP_PREFIX_OFFSET, 16, 1, irb->ecw, 32, 1); | |
845 | } | |
846 | if (intparm == QETH_RCD_PARM) { | |
847 | channel->state = CH_STATE_DOWN; | |
848 | goto out; | |
849 | } | |
850 | rc = qeth_get_problem(cdev, irb); | |
851 | if (rc) { | |
28a7e4c9 | 852 | qeth_clear_ipacmd_list(card); |
4a71df50 FB |
853 | qeth_schedule_recovery(card); |
854 | goto out; | |
855 | } | |
856 | } | |
857 | ||
858 | if (intparm == QETH_RCD_PARM) { | |
859 | channel->state = CH_STATE_RCD_DONE; | |
860 | goto out; | |
861 | } | |
862 | if (intparm) { | |
863 | buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm); | |
864 | buffer->state = BUF_STATE_PROCESSED; | |
865 | } | |
866 | if (channel == &card->data) | |
867 | return; | |
868 | if (channel == &card->read && | |
869 | channel->state == CH_STATE_UP) | |
870 | qeth_issue_next_read(card); | |
871 | ||
872 | iob = channel->iob; | |
873 | index = channel->buf_no; | |
874 | while (iob[index].state == BUF_STATE_PROCESSED) { | |
875 | if (iob[index].callback != NULL) | |
876 | iob[index].callback(channel, iob + index); | |
877 | ||
878 | index = (index + 1) % QETH_CMD_BUFFER_NO; | |
879 | } | |
880 | channel->buf_no = index; | |
881 | out: | |
882 | wake_up(&card->wait_q); | |
883 | return; | |
884 | } | |
885 | ||
b67d801f UB |
886 | static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, |
887 | struct qeth_qdio_out_buffer *buf) | |
4a71df50 FB |
888 | { |
889 | int i; | |
890 | struct sk_buff *skb; | |
891 | ||
892 | /* is PCI flag set on buffer? */ | |
3ec90878 | 893 | if (buf->buffer->element[0].sflags & SBAL_SFLAGS0_PCI_REQ) |
4a71df50 FB |
894 | atomic_dec(&queue->set_pci_flags_count); |
895 | ||
b67d801f UB |
896 | skb = skb_dequeue(&buf->skb_list); |
897 | while (skb) { | |
898 | atomic_dec(&skb->users); | |
899 | dev_kfree_skb_any(skb); | |
4a71df50 FB |
900 | skb = skb_dequeue(&buf->skb_list); |
901 | } | |
4a71df50 | 902 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) { |
683d718a FB |
903 | if (buf->buffer->element[i].addr && buf->is_header[i]) |
904 | kmem_cache_free(qeth_core_header_cache, | |
905 | buf->buffer->element[i].addr); | |
906 | buf->is_header[i] = 0; | |
4a71df50 FB |
907 | buf->buffer->element[i].length = 0; |
908 | buf->buffer->element[i].addr = NULL; | |
3ec90878 JG |
909 | buf->buffer->element[i].eflags = 0; |
910 | buf->buffer->element[i].sflags = 0; | |
4a71df50 | 911 | } |
3ec90878 JG |
912 | buf->buffer->element[15].eflags = 0; |
913 | buf->buffer->element[15].sflags = 0; | |
4a71df50 FB |
914 | buf->next_element_to_fill = 0; |
915 | atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); | |
916 | } | |
917 | ||
918 | void qeth_clear_qdio_buffers(struct qeth_card *card) | |
919 | { | |
920 | int i, j; | |
921 | ||
847a50fd | 922 | QETH_CARD_TEXT(card, 2, "clearqdbf"); |
4a71df50 FB |
923 | /* clear outbound buffers to free skbs */ |
924 | for (i = 0; i < card->qdio.no_out_queues; ++i) | |
925 | if (card->qdio.out_qs[i]) { | |
926 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) | |
927 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
928 | &card->qdio.out_qs[i]->bufs[j]); | |
929 | } | |
930 | } | |
931 | EXPORT_SYMBOL_GPL(qeth_clear_qdio_buffers); | |
932 | ||
933 | static void qeth_free_buffer_pool(struct qeth_card *card) | |
934 | { | |
935 | struct qeth_buffer_pool_entry *pool_entry, *tmp; | |
936 | int i = 0; | |
4a71df50 FB |
937 | list_for_each_entry_safe(pool_entry, tmp, |
938 | &card->qdio.init_pool.entry_list, init_list){ | |
939 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) | |
940 | free_page((unsigned long)pool_entry->elements[i]); | |
941 | list_del(&pool_entry->init_list); | |
942 | kfree(pool_entry); | |
943 | } | |
944 | } | |
945 | ||
946 | static void qeth_free_qdio_buffers(struct qeth_card *card) | |
947 | { | |
948 | int i, j; | |
949 | ||
4a71df50 FB |
950 | if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) == |
951 | QETH_QDIO_UNINITIALIZED) | |
952 | return; | |
953 | kfree(card->qdio.in_q); | |
954 | card->qdio.in_q = NULL; | |
955 | /* inbound buffer pool */ | |
956 | qeth_free_buffer_pool(card); | |
957 | /* free outbound qdio_qs */ | |
958 | if (card->qdio.out_qs) { | |
959 | for (i = 0; i < card->qdio.no_out_queues; ++i) { | |
960 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) | |
961 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
962 | &card->qdio.out_qs[i]->bufs[j]); | |
963 | kfree(card->qdio.out_qs[i]); | |
964 | } | |
965 | kfree(card->qdio.out_qs); | |
966 | card->qdio.out_qs = NULL; | |
967 | } | |
968 | } | |
969 | ||
970 | static void qeth_clean_channel(struct qeth_channel *channel) | |
971 | { | |
972 | int cnt; | |
973 | ||
d11ba0c4 | 974 | QETH_DBF_TEXT(SETUP, 2, "freech"); |
4a71df50 FB |
975 | for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) |
976 | kfree(channel->iob[cnt].data); | |
977 | } | |
978 | ||
5113fec0 | 979 | static void qeth_get_channel_path_desc(struct qeth_card *card) |
4a71df50 | 980 | { |
4a71df50 FB |
981 | struct ccw_device *ccwdev; |
982 | struct channelPath_dsc { | |
983 | u8 flags; | |
984 | u8 lsn; | |
985 | u8 desc; | |
986 | u8 chpid; | |
987 | u8 swla; | |
988 | u8 zeroes; | |
989 | u8 chla; | |
990 | u8 chpp; | |
991 | } *chp_dsc; | |
992 | ||
5113fec0 | 993 | QETH_DBF_TEXT(SETUP, 2, "chp_desc"); |
4a71df50 FB |
994 | |
995 | ccwdev = card->data.ccwdev; | |
996 | chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0); | |
997 | if (chp_dsc != NULL) { | |
998 | /* CHPP field bit 6 == 1 -> single queue */ | |
d0ff1f52 UB |
999 | if ((chp_dsc->chpp & 0x02) == 0x02) { |
1000 | if ((atomic_read(&card->qdio.state) != | |
1001 | QETH_QDIO_UNINITIALIZED) && | |
1002 | (card->qdio.no_out_queues == 4)) | |
1003 | /* change from 4 to 1 outbound queues */ | |
1004 | qeth_free_qdio_buffers(card); | |
5113fec0 | 1005 | card->qdio.no_out_queues = 1; |
d0ff1f52 UB |
1006 | if (card->qdio.default_out_queue != 0) |
1007 | dev_info(&card->gdev->dev, | |
1008 | "Priority Queueing not supported\n"); | |
1009 | card->qdio.default_out_queue = 0; | |
1010 | } else { | |
1011 | if ((atomic_read(&card->qdio.state) != | |
1012 | QETH_QDIO_UNINITIALIZED) && | |
1013 | (card->qdio.no_out_queues == 1)) { | |
1014 | /* change from 1 to 4 outbound queues */ | |
1015 | qeth_free_qdio_buffers(card); | |
1016 | card->qdio.default_out_queue = 2; | |
1017 | } | |
1018 | card->qdio.no_out_queues = 4; | |
1019 | } | |
5113fec0 | 1020 | card->info.func_level = 0x4100 + chp_dsc->desc; |
4a71df50 FB |
1021 | kfree(chp_dsc); |
1022 | } | |
5113fec0 UB |
1023 | QETH_DBF_TEXT_(SETUP, 2, "nr:%x", card->qdio.no_out_queues); |
1024 | QETH_DBF_TEXT_(SETUP, 2, "lvl:%02x", card->info.func_level); | |
1025 | return; | |
4a71df50 FB |
1026 | } |
1027 | ||
1028 | static void qeth_init_qdio_info(struct qeth_card *card) | |
1029 | { | |
d11ba0c4 | 1030 | QETH_DBF_TEXT(SETUP, 4, "intqdinf"); |
4a71df50 FB |
1031 | atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED); |
1032 | /* inbound */ | |
1033 | card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; | |
dcf4ae2d FB |
1034 | if (card->info.type == QETH_CARD_TYPE_IQD) |
1035 | card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_HSDEFAULT; | |
1036 | else | |
1037 | card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT; | |
4a71df50 FB |
1038 | card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count; |
1039 | INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list); | |
1040 | INIT_LIST_HEAD(&card->qdio.init_pool.entry_list); | |
1041 | } | |
1042 | ||
1043 | static void qeth_set_intial_options(struct qeth_card *card) | |
1044 | { | |
1045 | card->options.route4.type = NO_ROUTER; | |
1046 | card->options.route6.type = NO_ROUTER; | |
4a71df50 FB |
1047 | card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS; |
1048 | card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL; | |
1049 | card->options.fake_broadcast = 0; | |
1050 | card->options.add_hhlen = DEFAULT_ADD_HHLEN; | |
4a71df50 FB |
1051 | card->options.performance_stats = 0; |
1052 | card->options.rx_sg_cb = QETH_RX_SG_CB; | |
d64ecc22 | 1053 | card->options.isolation = ISOLATION_MODE_NONE; |
4a71df50 FB |
1054 | } |
1055 | ||
1056 | static int qeth_do_start_thread(struct qeth_card *card, unsigned long thread) | |
1057 | { | |
1058 | unsigned long flags; | |
1059 | int rc = 0; | |
1060 | ||
1061 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
847a50fd | 1062 | QETH_CARD_TEXT_(card, 4, " %02x%02x%02x", |
4a71df50 FB |
1063 | (u8) card->thread_start_mask, |
1064 | (u8) card->thread_allowed_mask, | |
1065 | (u8) card->thread_running_mask); | |
1066 | rc = (card->thread_start_mask & thread); | |
1067 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
1068 | return rc; | |
1069 | } | |
1070 | ||
1071 | static void qeth_start_kernel_thread(struct work_struct *work) | |
1072 | { | |
1073 | struct qeth_card *card = container_of(work, struct qeth_card, | |
1074 | kernel_thread_starter); | |
847a50fd | 1075 | QETH_CARD_TEXT(card , 2, "strthrd"); |
4a71df50 FB |
1076 | |
1077 | if (card->read.state != CH_STATE_UP && | |
1078 | card->write.state != CH_STATE_UP) | |
1079 | return; | |
1080 | if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) | |
1081 | kthread_run(card->discipline.recover, (void *) card, | |
1082 | "qeth_recover"); | |
1083 | } | |
1084 | ||
1085 | static int qeth_setup_card(struct qeth_card *card) | |
1086 | { | |
1087 | ||
d11ba0c4 PT |
1088 | QETH_DBF_TEXT(SETUP, 2, "setupcrd"); |
1089 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
1090 | |
1091 | card->read.state = CH_STATE_DOWN; | |
1092 | card->write.state = CH_STATE_DOWN; | |
1093 | card->data.state = CH_STATE_DOWN; | |
1094 | card->state = CARD_STATE_DOWN; | |
1095 | card->lan_online = 0; | |
908abbb5 | 1096 | card->read_or_write_problem = 0; |
4a71df50 FB |
1097 | card->dev = NULL; |
1098 | spin_lock_init(&card->vlanlock); | |
1099 | spin_lock_init(&card->mclock); | |
1100 | card->vlangrp = NULL; | |
1101 | spin_lock_init(&card->lock); | |
1102 | spin_lock_init(&card->ip_lock); | |
1103 | spin_lock_init(&card->thread_mask_lock); | |
c4949f07 | 1104 | mutex_init(&card->conf_mutex); |
9dc48ccc | 1105 | mutex_init(&card->discipline_mutex); |
4a71df50 FB |
1106 | card->thread_start_mask = 0; |
1107 | card->thread_allowed_mask = 0; | |
1108 | card->thread_running_mask = 0; | |
1109 | INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread); | |
1110 | INIT_LIST_HEAD(&card->ip_list); | |
4a71df50 FB |
1111 | INIT_LIST_HEAD(card->ip_tbd_list); |
1112 | INIT_LIST_HEAD(&card->cmd_waiter_list); | |
1113 | init_waitqueue_head(&card->wait_q); | |
25985edc | 1114 | /* initial options */ |
4a71df50 FB |
1115 | qeth_set_intial_options(card); |
1116 | /* IP address takeover */ | |
1117 | INIT_LIST_HEAD(&card->ipato.entries); | |
1118 | card->ipato.enabled = 0; | |
1119 | card->ipato.invert4 = 0; | |
1120 | card->ipato.invert6 = 0; | |
1121 | /* init QDIO stuff */ | |
1122 | qeth_init_qdio_info(card); | |
1123 | return 0; | |
1124 | } | |
1125 | ||
6bcac508 MS |
1126 | static void qeth_core_sl_print(struct seq_file *m, struct service_level *slr) |
1127 | { | |
1128 | struct qeth_card *card = container_of(slr, struct qeth_card, | |
1129 | qeth_service_level); | |
0d788c7d KDW |
1130 | if (card->info.mcl_level[0]) |
1131 | seq_printf(m, "qeth: %s firmware level %s\n", | |
1132 | CARD_BUS_ID(card), card->info.mcl_level); | |
6bcac508 MS |
1133 | } |
1134 | ||
4a71df50 FB |
1135 | static struct qeth_card *qeth_alloc_card(void) |
1136 | { | |
1137 | struct qeth_card *card; | |
1138 | ||
d11ba0c4 | 1139 | QETH_DBF_TEXT(SETUP, 2, "alloccrd"); |
4a71df50 FB |
1140 | card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL); |
1141 | if (!card) | |
76b11f8e | 1142 | goto out; |
d11ba0c4 | 1143 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); |
76b11f8e UB |
1144 | card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL); |
1145 | if (!card->ip_tbd_list) { | |
1146 | QETH_DBF_TEXT(SETUP, 0, "iptbdnom"); | |
1147 | goto out_card; | |
4a71df50 | 1148 | } |
76b11f8e UB |
1149 | if (qeth_setup_channel(&card->read)) |
1150 | goto out_ip; | |
1151 | if (qeth_setup_channel(&card->write)) | |
1152 | goto out_channel; | |
4a71df50 | 1153 | card->options.layer2 = -1; |
6bcac508 MS |
1154 | card->qeth_service_level.seq_print = qeth_core_sl_print; |
1155 | register_service_level(&card->qeth_service_level); | |
4a71df50 | 1156 | return card; |
76b11f8e UB |
1157 | |
1158 | out_channel: | |
1159 | qeth_clean_channel(&card->read); | |
1160 | out_ip: | |
1161 | kfree(card->ip_tbd_list); | |
1162 | out_card: | |
1163 | kfree(card); | |
1164 | out: | |
1165 | return NULL; | |
4a71df50 FB |
1166 | } |
1167 | ||
1168 | static int qeth_determine_card_type(struct qeth_card *card) | |
1169 | { | |
1170 | int i = 0; | |
1171 | ||
d11ba0c4 | 1172 | QETH_DBF_TEXT(SETUP, 2, "detcdtyp"); |
4a71df50 FB |
1173 | |
1174 | card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT; | |
1175 | card->qdio.default_out_queue = QETH_DEFAULT_QUEUE; | |
5113fec0 UB |
1176 | while (known_devices[i][QETH_DEV_MODEL_IND]) { |
1177 | if ((CARD_RDEV(card)->id.dev_type == | |
1178 | known_devices[i][QETH_DEV_TYPE_IND]) && | |
1179 | (CARD_RDEV(card)->id.dev_model == | |
1180 | known_devices[i][QETH_DEV_MODEL_IND])) { | |
1181 | card->info.type = known_devices[i][QETH_DEV_MODEL_IND]; | |
1182 | card->qdio.no_out_queues = | |
1183 | known_devices[i][QETH_QUEUE_NO_IND]; | |
1184 | card->info.is_multicast_different = | |
1185 | known_devices[i][QETH_MULTICAST_IND]; | |
1186 | qeth_get_channel_path_desc(card); | |
4a71df50 FB |
1187 | return 0; |
1188 | } | |
1189 | i++; | |
1190 | } | |
1191 | card->info.type = QETH_CARD_TYPE_UNKNOWN; | |
74eacdb9 FB |
1192 | dev_err(&card->gdev->dev, "The adapter hardware is of an " |
1193 | "unknown type\n"); | |
4a71df50 FB |
1194 | return -ENOENT; |
1195 | } | |
1196 | ||
1197 | static int qeth_clear_channel(struct qeth_channel *channel) | |
1198 | { | |
1199 | unsigned long flags; | |
1200 | struct qeth_card *card; | |
1201 | int rc; | |
1202 | ||
4a71df50 | 1203 | card = CARD_FROM_CDEV(channel->ccwdev); |
847a50fd | 1204 | QETH_CARD_TEXT(card, 3, "clearch"); |
4a71df50 FB |
1205 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); |
1206 | rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM); | |
1207 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1208 | ||
1209 | if (rc) | |
1210 | return rc; | |
1211 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1212 | channel->state == CH_STATE_STOPPED, QETH_TIMEOUT); | |
1213 | if (rc == -ERESTARTSYS) | |
1214 | return rc; | |
1215 | if (channel->state != CH_STATE_STOPPED) | |
1216 | return -ETIME; | |
1217 | channel->state = CH_STATE_DOWN; | |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | static int qeth_halt_channel(struct qeth_channel *channel) | |
1222 | { | |
1223 | unsigned long flags; | |
1224 | struct qeth_card *card; | |
1225 | int rc; | |
1226 | ||
4a71df50 | 1227 | card = CARD_FROM_CDEV(channel->ccwdev); |
847a50fd | 1228 | QETH_CARD_TEXT(card, 3, "haltch"); |
4a71df50 FB |
1229 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); |
1230 | rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM); | |
1231 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1232 | ||
1233 | if (rc) | |
1234 | return rc; | |
1235 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1236 | channel->state == CH_STATE_HALTED, QETH_TIMEOUT); | |
1237 | if (rc == -ERESTARTSYS) | |
1238 | return rc; | |
1239 | if (channel->state != CH_STATE_HALTED) | |
1240 | return -ETIME; | |
1241 | return 0; | |
1242 | } | |
1243 | ||
1244 | static int qeth_halt_channels(struct qeth_card *card) | |
1245 | { | |
1246 | int rc1 = 0, rc2 = 0, rc3 = 0; | |
1247 | ||
847a50fd | 1248 | QETH_CARD_TEXT(card, 3, "haltchs"); |
4a71df50 FB |
1249 | rc1 = qeth_halt_channel(&card->read); |
1250 | rc2 = qeth_halt_channel(&card->write); | |
1251 | rc3 = qeth_halt_channel(&card->data); | |
1252 | if (rc1) | |
1253 | return rc1; | |
1254 | if (rc2) | |
1255 | return rc2; | |
1256 | return rc3; | |
1257 | } | |
1258 | ||
1259 | static int qeth_clear_channels(struct qeth_card *card) | |
1260 | { | |
1261 | int rc1 = 0, rc2 = 0, rc3 = 0; | |
1262 | ||
847a50fd | 1263 | QETH_CARD_TEXT(card, 3, "clearchs"); |
4a71df50 FB |
1264 | rc1 = qeth_clear_channel(&card->read); |
1265 | rc2 = qeth_clear_channel(&card->write); | |
1266 | rc3 = qeth_clear_channel(&card->data); | |
1267 | if (rc1) | |
1268 | return rc1; | |
1269 | if (rc2) | |
1270 | return rc2; | |
1271 | return rc3; | |
1272 | } | |
1273 | ||
1274 | static int qeth_clear_halt_card(struct qeth_card *card, int halt) | |
1275 | { | |
1276 | int rc = 0; | |
1277 | ||
847a50fd | 1278 | QETH_CARD_TEXT(card, 3, "clhacrd"); |
4a71df50 FB |
1279 | |
1280 | if (halt) | |
1281 | rc = qeth_halt_channels(card); | |
1282 | if (rc) | |
1283 | return rc; | |
1284 | return qeth_clear_channels(card); | |
1285 | } | |
1286 | ||
1287 | int qeth_qdio_clear_card(struct qeth_card *card, int use_halt) | |
1288 | { | |
1289 | int rc = 0; | |
1290 | ||
847a50fd | 1291 | QETH_CARD_TEXT(card, 3, "qdioclr"); |
4a71df50 FB |
1292 | switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED, |
1293 | QETH_QDIO_CLEANING)) { | |
1294 | case QETH_QDIO_ESTABLISHED: | |
1295 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
cc961d40 | 1296 | rc = qdio_shutdown(CARD_DDEV(card), |
4a71df50 FB |
1297 | QDIO_FLAG_CLEANUP_USING_HALT); |
1298 | else | |
cc961d40 | 1299 | rc = qdio_shutdown(CARD_DDEV(card), |
4a71df50 FB |
1300 | QDIO_FLAG_CLEANUP_USING_CLEAR); |
1301 | if (rc) | |
847a50fd | 1302 | QETH_CARD_TEXT_(card, 3, "1err%d", rc); |
cc961d40 | 1303 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
1304 | atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); |
1305 | break; | |
1306 | case QETH_QDIO_CLEANING: | |
1307 | return rc; | |
1308 | default: | |
1309 | break; | |
1310 | } | |
1311 | rc = qeth_clear_halt_card(card, use_halt); | |
1312 | if (rc) | |
847a50fd | 1313 | QETH_CARD_TEXT_(card, 3, "2err%d", rc); |
4a71df50 FB |
1314 | card->state = CARD_STATE_DOWN; |
1315 | return rc; | |
1316 | } | |
1317 | EXPORT_SYMBOL_GPL(qeth_qdio_clear_card); | |
1318 | ||
1319 | static int qeth_read_conf_data(struct qeth_card *card, void **buffer, | |
1320 | int *length) | |
1321 | { | |
1322 | struct ciw *ciw; | |
1323 | char *rcd_buf; | |
1324 | int ret; | |
1325 | struct qeth_channel *channel = &card->data; | |
1326 | unsigned long flags; | |
1327 | ||
1328 | /* | |
1329 | * scan for RCD command in extended SenseID data | |
1330 | */ | |
1331 | ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD); | |
1332 | if (!ciw || ciw->cmd == 0) | |
1333 | return -EOPNOTSUPP; | |
1334 | rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA); | |
1335 | if (!rcd_buf) | |
1336 | return -ENOMEM; | |
1337 | ||
1338 | channel->ccw.cmd_code = ciw->cmd; | |
1339 | channel->ccw.cda = (__u32) __pa(rcd_buf); | |
1340 | channel->ccw.count = ciw->count; | |
1341 | channel->ccw.flags = CCW_FLAG_SLI; | |
1342 | channel->state = CH_STATE_RCD; | |
1343 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
1344 | ret = ccw_device_start_timeout(channel->ccwdev, &channel->ccw, | |
1345 | QETH_RCD_PARM, LPM_ANYPATH, 0, | |
1346 | QETH_RCD_TIMEOUT); | |
1347 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1348 | if (!ret) | |
1349 | wait_event(card->wait_q, | |
1350 | (channel->state == CH_STATE_RCD_DONE || | |
1351 | channel->state == CH_STATE_DOWN)); | |
1352 | if (channel->state == CH_STATE_DOWN) | |
1353 | ret = -EIO; | |
1354 | else | |
1355 | channel->state = CH_STATE_DOWN; | |
1356 | if (ret) { | |
1357 | kfree(rcd_buf); | |
1358 | *buffer = NULL; | |
1359 | *length = 0; | |
1360 | } else { | |
1361 | *length = ciw->count; | |
1362 | *buffer = rcd_buf; | |
1363 | } | |
1364 | return ret; | |
1365 | } | |
1366 | ||
a60389ab | 1367 | static void qeth_configure_unitaddr(struct qeth_card *card, char *prcd) |
4a71df50 | 1368 | { |
a60389ab | 1369 | QETH_DBF_TEXT(SETUP, 2, "cfgunit"); |
4a71df50 FB |
1370 | card->info.chpid = prcd[30]; |
1371 | card->info.unit_addr2 = prcd[31]; | |
1372 | card->info.cula = prcd[63]; | |
1373 | card->info.guestlan = ((prcd[0x10] == _ascebc['V']) && | |
1374 | (prcd[0x11] == _ascebc['M'])); | |
a60389ab EL |
1375 | } |
1376 | ||
1377 | static void qeth_configure_blkt_default(struct qeth_card *card, char *prcd) | |
1378 | { | |
1379 | QETH_DBF_TEXT(SETUP, 2, "cfgblkt"); | |
1380 | ||
1381 | if (prcd[74] == 0xF0 && prcd[75] == 0xF0 && prcd[76] == 0xF5) { | |
1382 | card->info.blkt.time_total = 250; | |
1383 | card->info.blkt.inter_packet = 5; | |
1384 | card->info.blkt.inter_packet_jumbo = 15; | |
1385 | } else { | |
1386 | card->info.blkt.time_total = 0; | |
1387 | card->info.blkt.inter_packet = 0; | |
1388 | card->info.blkt.inter_packet_jumbo = 0; | |
1389 | } | |
4a71df50 FB |
1390 | } |
1391 | ||
1392 | static void qeth_init_tokens(struct qeth_card *card) | |
1393 | { | |
1394 | card->token.issuer_rm_w = 0x00010103UL; | |
1395 | card->token.cm_filter_w = 0x00010108UL; | |
1396 | card->token.cm_connection_w = 0x0001010aUL; | |
1397 | card->token.ulp_filter_w = 0x0001010bUL; | |
1398 | card->token.ulp_connection_w = 0x0001010dUL; | |
1399 | } | |
1400 | ||
1401 | static void qeth_init_func_level(struct qeth_card *card) | |
1402 | { | |
5113fec0 UB |
1403 | switch (card->info.type) { |
1404 | case QETH_CARD_TYPE_IQD: | |
6298263a | 1405 | card->info.func_level = QETH_IDX_FUNC_LEVEL_IQD; |
5113fec0 UB |
1406 | break; |
1407 | case QETH_CARD_TYPE_OSD: | |
0132951e | 1408 | case QETH_CARD_TYPE_OSN: |
5113fec0 UB |
1409 | card->info.func_level = QETH_IDX_FUNC_LEVEL_OSD; |
1410 | break; | |
1411 | default: | |
1412 | break; | |
4a71df50 FB |
1413 | } |
1414 | } | |
1415 | ||
4a71df50 FB |
1416 | static int qeth_idx_activate_get_answer(struct qeth_channel *channel, |
1417 | void (*idx_reply_cb)(struct qeth_channel *, | |
1418 | struct qeth_cmd_buffer *)) | |
1419 | { | |
1420 | struct qeth_cmd_buffer *iob; | |
1421 | unsigned long flags; | |
1422 | int rc; | |
1423 | struct qeth_card *card; | |
1424 | ||
d11ba0c4 | 1425 | QETH_DBF_TEXT(SETUP, 2, "idxanswr"); |
4a71df50 FB |
1426 | card = CARD_FROM_CDEV(channel->ccwdev); |
1427 | iob = qeth_get_buffer(channel); | |
1428 | iob->callback = idx_reply_cb; | |
1429 | memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); | |
1430 | channel->ccw.count = QETH_BUFSIZE; | |
1431 | channel->ccw.cda = (__u32) __pa(iob->data); | |
1432 | ||
1433 | wait_event(card->wait_q, | |
1434 | atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); | |
d11ba0c4 | 1435 | QETH_DBF_TEXT(SETUP, 6, "noirqpnd"); |
4a71df50 FB |
1436 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); |
1437 | rc = ccw_device_start(channel->ccwdev, | |
1438 | &channel->ccw, (addr_t) iob, 0, 0); | |
1439 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1440 | ||
1441 | if (rc) { | |
14cc21b6 | 1442 | QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc); |
d11ba0c4 | 1443 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
4a71df50 FB |
1444 | atomic_set(&channel->irq_pending, 0); |
1445 | wake_up(&card->wait_q); | |
1446 | return rc; | |
1447 | } | |
1448 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1449 | channel->state == CH_STATE_UP, QETH_TIMEOUT); | |
1450 | if (rc == -ERESTARTSYS) | |
1451 | return rc; | |
1452 | if (channel->state != CH_STATE_UP) { | |
1453 | rc = -ETIME; | |
d11ba0c4 | 1454 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
4a71df50 FB |
1455 | qeth_clear_cmd_buffers(channel); |
1456 | } else | |
1457 | rc = 0; | |
1458 | return rc; | |
1459 | } | |
1460 | ||
1461 | static int qeth_idx_activate_channel(struct qeth_channel *channel, | |
1462 | void (*idx_reply_cb)(struct qeth_channel *, | |
1463 | struct qeth_cmd_buffer *)) | |
1464 | { | |
1465 | struct qeth_card *card; | |
1466 | struct qeth_cmd_buffer *iob; | |
1467 | unsigned long flags; | |
1468 | __u16 temp; | |
1469 | __u8 tmp; | |
1470 | int rc; | |
f06f6f32 | 1471 | struct ccw_dev_id temp_devid; |
4a71df50 FB |
1472 | |
1473 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1474 | ||
d11ba0c4 | 1475 | QETH_DBF_TEXT(SETUP, 2, "idxactch"); |
4a71df50 FB |
1476 | |
1477 | iob = qeth_get_buffer(channel); | |
1478 | iob->callback = idx_reply_cb; | |
1479 | memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); | |
1480 | channel->ccw.count = IDX_ACTIVATE_SIZE; | |
1481 | channel->ccw.cda = (__u32) __pa(iob->data); | |
1482 | if (channel == &card->write) { | |
1483 | memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE); | |
1484 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1485 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1486 | card->seqno.trans_hdr++; | |
1487 | } else { | |
1488 | memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE); | |
1489 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1490 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1491 | } | |
1492 | tmp = ((__u8)card->info.portno) | 0x80; | |
1493 | memcpy(QETH_IDX_ACT_PNO(iob->data), &tmp, 1); | |
1494 | memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), | |
1495 | &card->token.issuer_rm_w, QETH_MPC_TOKEN_LENGTH); | |
1496 | memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data), | |
1497 | &card->info.func_level, sizeof(__u16)); | |
f06f6f32 CH |
1498 | ccw_device_get_id(CARD_DDEV(card), &temp_devid); |
1499 | memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp_devid.devno, 2); | |
4a71df50 FB |
1500 | temp = (card->info.cula << 8) + card->info.unit_addr2; |
1501 | memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2); | |
1502 | ||
1503 | wait_event(card->wait_q, | |
1504 | atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); | |
d11ba0c4 | 1505 | QETH_DBF_TEXT(SETUP, 6, "noirqpnd"); |
4a71df50 FB |
1506 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); |
1507 | rc = ccw_device_start(channel->ccwdev, | |
1508 | &channel->ccw, (addr_t) iob, 0, 0); | |
1509 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1510 | ||
1511 | if (rc) { | |
14cc21b6 FB |
1512 | QETH_DBF_MESSAGE(2, "Error1 in activating channel. rc=%d\n", |
1513 | rc); | |
d11ba0c4 | 1514 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
1515 | atomic_set(&channel->irq_pending, 0); |
1516 | wake_up(&card->wait_q); | |
1517 | return rc; | |
1518 | } | |
1519 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1520 | channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT); | |
1521 | if (rc == -ERESTARTSYS) | |
1522 | return rc; | |
1523 | if (channel->state != CH_STATE_ACTIVATING) { | |
74eacdb9 FB |
1524 | dev_warn(&channel->ccwdev->dev, "The qeth device driver" |
1525 | " failed to recover an error on the device\n"); | |
1526 | QETH_DBF_MESSAGE(2, "%s IDX activate timed out\n", | |
1527 | dev_name(&channel->ccwdev->dev)); | |
d11ba0c4 | 1528 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", -ETIME); |
4a71df50 FB |
1529 | qeth_clear_cmd_buffers(channel); |
1530 | return -ETIME; | |
1531 | } | |
1532 | return qeth_idx_activate_get_answer(channel, idx_reply_cb); | |
1533 | } | |
1534 | ||
1535 | static int qeth_peer_func_level(int level) | |
1536 | { | |
1537 | if ((level & 0xff) == 8) | |
1538 | return (level & 0xff) + 0x400; | |
1539 | if (((level >> 8) & 3) == 1) | |
1540 | return (level & 0xff) + 0x200; | |
1541 | return level; | |
1542 | } | |
1543 | ||
1544 | static void qeth_idx_write_cb(struct qeth_channel *channel, | |
1545 | struct qeth_cmd_buffer *iob) | |
1546 | { | |
1547 | struct qeth_card *card; | |
1548 | __u16 temp; | |
1549 | ||
d11ba0c4 | 1550 | QETH_DBF_TEXT(SETUP , 2, "idxwrcb"); |
4a71df50 FB |
1551 | |
1552 | if (channel->state == CH_STATE_DOWN) { | |
1553 | channel->state = CH_STATE_ACTIVATING; | |
1554 | goto out; | |
1555 | } | |
1556 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1557 | ||
1558 | if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { | |
5113fec0 | 1559 | if (QETH_IDX_ACT_CAUSE_CODE(iob->data) == QETH_IDX_ACT_ERR_EXCL) |
74eacdb9 FB |
1560 | dev_err(&card->write.ccwdev->dev, |
1561 | "The adapter is used exclusively by another " | |
1562 | "host\n"); | |
4a71df50 | 1563 | else |
74eacdb9 FB |
1564 | QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel:" |
1565 | " negative reply\n", | |
1566 | dev_name(&card->write.ccwdev->dev)); | |
4a71df50 FB |
1567 | goto out; |
1568 | } | |
1569 | memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); | |
1570 | if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) { | |
74eacdb9 FB |
1571 | QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on write channel: " |
1572 | "function level mismatch (sent: 0x%x, received: " | |
1573 | "0x%x)\n", dev_name(&card->write.ccwdev->dev), | |
1574 | card->info.func_level, temp); | |
4a71df50 FB |
1575 | goto out; |
1576 | } | |
1577 | channel->state = CH_STATE_UP; | |
1578 | out: | |
1579 | qeth_release_buffer(channel, iob); | |
1580 | } | |
1581 | ||
1582 | static void qeth_idx_read_cb(struct qeth_channel *channel, | |
1583 | struct qeth_cmd_buffer *iob) | |
1584 | { | |
1585 | struct qeth_card *card; | |
1586 | __u16 temp; | |
1587 | ||
d11ba0c4 | 1588 | QETH_DBF_TEXT(SETUP , 2, "idxrdcb"); |
4a71df50 FB |
1589 | if (channel->state == CH_STATE_DOWN) { |
1590 | channel->state = CH_STATE_ACTIVATING; | |
1591 | goto out; | |
1592 | } | |
1593 | ||
1594 | card = CARD_FROM_CDEV(channel->ccwdev); | |
5113fec0 | 1595 | if (qeth_check_idx_response(card, iob->data)) |
4a71df50 FB |
1596 | goto out; |
1597 | ||
1598 | if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { | |
5113fec0 UB |
1599 | switch (QETH_IDX_ACT_CAUSE_CODE(iob->data)) { |
1600 | case QETH_IDX_ACT_ERR_EXCL: | |
74eacdb9 FB |
1601 | dev_err(&card->write.ccwdev->dev, |
1602 | "The adapter is used exclusively by another " | |
1603 | "host\n"); | |
5113fec0 UB |
1604 | break; |
1605 | case QETH_IDX_ACT_ERR_AUTH: | |
01fc3e86 | 1606 | case QETH_IDX_ACT_ERR_AUTH_USER: |
5113fec0 UB |
1607 | dev_err(&card->read.ccwdev->dev, |
1608 | "Setting the device online failed because of " | |
01fc3e86 | 1609 | "insufficient authorization\n"); |
5113fec0 UB |
1610 | break; |
1611 | default: | |
74eacdb9 FB |
1612 | QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel:" |
1613 | " negative reply\n", | |
1614 | dev_name(&card->read.ccwdev->dev)); | |
5113fec0 | 1615 | } |
01fc3e86 UB |
1616 | QETH_CARD_TEXT_(card, 2, "idxread%c", |
1617 | QETH_IDX_ACT_CAUSE_CODE(iob->data)); | |
4a71df50 FB |
1618 | goto out; |
1619 | } | |
1620 | ||
1621 | /** | |
5113fec0 UB |
1622 | * * temporary fix for microcode bug |
1623 | * * to revert it,replace OR by AND | |
1624 | * */ | |
4a71df50 | 1625 | if ((!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) || |
5113fec0 | 1626 | (card->info.type == QETH_CARD_TYPE_OSD)) |
4a71df50 FB |
1627 | card->info.portname_required = 1; |
1628 | ||
1629 | memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); | |
1630 | if (temp != qeth_peer_func_level(card->info.func_level)) { | |
74eacdb9 FB |
1631 | QETH_DBF_MESSAGE(2, "%s IDX_ACTIVATE on read channel: function " |
1632 | "level mismatch (sent: 0x%x, received: 0x%x)\n", | |
1633 | dev_name(&card->read.ccwdev->dev), | |
1634 | card->info.func_level, temp); | |
4a71df50 FB |
1635 | goto out; |
1636 | } | |
1637 | memcpy(&card->token.issuer_rm_r, | |
1638 | QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), | |
1639 | QETH_MPC_TOKEN_LENGTH); | |
1640 | memcpy(&card->info.mcl_level[0], | |
1641 | QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH); | |
1642 | channel->state = CH_STATE_UP; | |
1643 | out: | |
1644 | qeth_release_buffer(channel, iob); | |
1645 | } | |
1646 | ||
1647 | void qeth_prepare_control_data(struct qeth_card *card, int len, | |
1648 | struct qeth_cmd_buffer *iob) | |
1649 | { | |
1650 | qeth_setup_ccw(&card->write, iob->data, len); | |
1651 | iob->callback = qeth_release_buffer; | |
1652 | ||
1653 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1654 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1655 | card->seqno.trans_hdr++; | |
1656 | memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data), | |
1657 | &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH); | |
1658 | card->seqno.pdu_hdr++; | |
1659 | memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data), | |
1660 | &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH); | |
d11ba0c4 | 1661 | QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
1662 | } |
1663 | EXPORT_SYMBOL_GPL(qeth_prepare_control_data); | |
1664 | ||
1665 | int qeth_send_control_data(struct qeth_card *card, int len, | |
1666 | struct qeth_cmd_buffer *iob, | |
1667 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
1668 | unsigned long), | |
1669 | void *reply_param) | |
1670 | { | |
1671 | int rc; | |
1672 | unsigned long flags; | |
1673 | struct qeth_reply *reply = NULL; | |
7834cd5a | 1674 | unsigned long timeout, event_timeout; |
5b54e16f | 1675 | struct qeth_ipa_cmd *cmd; |
4a71df50 | 1676 | |
847a50fd | 1677 | QETH_CARD_TEXT(card, 2, "sendctl"); |
4a71df50 | 1678 | |
908abbb5 UB |
1679 | if (card->read_or_write_problem) { |
1680 | qeth_release_buffer(iob->channel, iob); | |
1681 | return -EIO; | |
1682 | } | |
4a71df50 FB |
1683 | reply = qeth_alloc_reply(card); |
1684 | if (!reply) { | |
4a71df50 FB |
1685 | return -ENOMEM; |
1686 | } | |
1687 | reply->callback = reply_cb; | |
1688 | reply->param = reply_param; | |
1689 | if (card->state == CARD_STATE_DOWN) | |
1690 | reply->seqno = QETH_IDX_COMMAND_SEQNO; | |
1691 | else | |
1692 | reply->seqno = card->seqno.ipa++; | |
1693 | init_waitqueue_head(&reply->wait_q); | |
1694 | spin_lock_irqsave(&card->lock, flags); | |
1695 | list_add_tail(&reply->list, &card->cmd_waiter_list); | |
1696 | spin_unlock_irqrestore(&card->lock, flags); | |
d11ba0c4 | 1697 | QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
1698 | |
1699 | while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ; | |
1700 | qeth_prepare_control_data(card, len, iob); | |
1701 | ||
1702 | if (IS_IPA(iob->data)) | |
7834cd5a | 1703 | event_timeout = QETH_IPA_TIMEOUT; |
4a71df50 | 1704 | else |
7834cd5a HC |
1705 | event_timeout = QETH_TIMEOUT; |
1706 | timeout = jiffies + event_timeout; | |
4a71df50 | 1707 | |
847a50fd | 1708 | QETH_CARD_TEXT(card, 6, "noirqpnd"); |
4a71df50 FB |
1709 | spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); |
1710 | rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, | |
1711 | (addr_t) iob, 0, 0); | |
1712 | spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); | |
1713 | if (rc) { | |
74eacdb9 FB |
1714 | QETH_DBF_MESSAGE(2, "%s qeth_send_control_data: " |
1715 | "ccw_device_start rc = %i\n", | |
1716 | dev_name(&card->write.ccwdev->dev), rc); | |
847a50fd | 1717 | QETH_CARD_TEXT_(card, 2, " err%d", rc); |
4a71df50 FB |
1718 | spin_lock_irqsave(&card->lock, flags); |
1719 | list_del_init(&reply->list); | |
1720 | qeth_put_reply(reply); | |
1721 | spin_unlock_irqrestore(&card->lock, flags); | |
1722 | qeth_release_buffer(iob->channel, iob); | |
1723 | atomic_set(&card->write.irq_pending, 0); | |
1724 | wake_up(&card->wait_q); | |
1725 | return rc; | |
1726 | } | |
5b54e16f FB |
1727 | |
1728 | /* we have only one long running ipassist, since we can ensure | |
1729 | process context of this command we can sleep */ | |
1730 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1731 | if ((cmd->hdr.command == IPA_CMD_SETIP) && | |
1732 | (cmd->hdr.prot_version == QETH_PROT_IPV4)) { | |
1733 | if (!wait_event_timeout(reply->wait_q, | |
7834cd5a | 1734 | atomic_read(&reply->received), event_timeout)) |
5b54e16f FB |
1735 | goto time_err; |
1736 | } else { | |
1737 | while (!atomic_read(&reply->received)) { | |
1738 | if (time_after(jiffies, timeout)) | |
1739 | goto time_err; | |
1740 | cpu_relax(); | |
1741 | }; | |
1742 | } | |
1743 | ||
70919e23 UB |
1744 | if (reply->rc == -EIO) |
1745 | goto error; | |
5b54e16f FB |
1746 | rc = reply->rc; |
1747 | qeth_put_reply(reply); | |
1748 | return rc; | |
1749 | ||
1750 | time_err: | |
70919e23 | 1751 | reply->rc = -ETIME; |
5b54e16f FB |
1752 | spin_lock_irqsave(&reply->card->lock, flags); |
1753 | list_del_init(&reply->list); | |
1754 | spin_unlock_irqrestore(&reply->card->lock, flags); | |
5b54e16f | 1755 | atomic_inc(&reply->received); |
70919e23 | 1756 | error: |
908abbb5 UB |
1757 | atomic_set(&card->write.irq_pending, 0); |
1758 | qeth_release_buffer(iob->channel, iob); | |
1759 | card->write.buf_no = (card->write.buf_no + 1) % QETH_CMD_BUFFER_NO; | |
4a71df50 FB |
1760 | rc = reply->rc; |
1761 | qeth_put_reply(reply); | |
1762 | return rc; | |
1763 | } | |
1764 | EXPORT_SYMBOL_GPL(qeth_send_control_data); | |
1765 | ||
1766 | static int qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1767 | unsigned long data) | |
1768 | { | |
1769 | struct qeth_cmd_buffer *iob; | |
1770 | ||
d11ba0c4 | 1771 | QETH_DBF_TEXT(SETUP, 2, "cmenblcb"); |
4a71df50 FB |
1772 | |
1773 | iob = (struct qeth_cmd_buffer *) data; | |
1774 | memcpy(&card->token.cm_filter_r, | |
1775 | QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data), | |
1776 | QETH_MPC_TOKEN_LENGTH); | |
d11ba0c4 | 1777 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
4a71df50 FB |
1778 | return 0; |
1779 | } | |
1780 | ||
1781 | static int qeth_cm_enable(struct qeth_card *card) | |
1782 | { | |
1783 | int rc; | |
1784 | struct qeth_cmd_buffer *iob; | |
1785 | ||
d11ba0c4 | 1786 | QETH_DBF_TEXT(SETUP, 2, "cmenable"); |
4a71df50 FB |
1787 | |
1788 | iob = qeth_wait_for_buffer(&card->write); | |
1789 | memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE); | |
1790 | memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data), | |
1791 | &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); | |
1792 | memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data), | |
1793 | &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH); | |
1794 | ||
1795 | rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob, | |
1796 | qeth_cm_enable_cb, NULL); | |
1797 | return rc; | |
1798 | } | |
1799 | ||
1800 | static int qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1801 | unsigned long data) | |
1802 | { | |
1803 | ||
1804 | struct qeth_cmd_buffer *iob; | |
1805 | ||
d11ba0c4 | 1806 | QETH_DBF_TEXT(SETUP, 2, "cmsetpcb"); |
4a71df50 FB |
1807 | |
1808 | iob = (struct qeth_cmd_buffer *) data; | |
1809 | memcpy(&card->token.cm_connection_r, | |
1810 | QETH_CM_SETUP_RESP_DEST_ADDR(iob->data), | |
1811 | QETH_MPC_TOKEN_LENGTH); | |
d11ba0c4 | 1812 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
4a71df50 FB |
1813 | return 0; |
1814 | } | |
1815 | ||
1816 | static int qeth_cm_setup(struct qeth_card *card) | |
1817 | { | |
1818 | int rc; | |
1819 | struct qeth_cmd_buffer *iob; | |
1820 | ||
d11ba0c4 | 1821 | QETH_DBF_TEXT(SETUP, 2, "cmsetup"); |
4a71df50 FB |
1822 | |
1823 | iob = qeth_wait_for_buffer(&card->write); | |
1824 | memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE); | |
1825 | memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data), | |
1826 | &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); | |
1827 | memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data), | |
1828 | &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH); | |
1829 | memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data), | |
1830 | &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH); | |
1831 | rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob, | |
1832 | qeth_cm_setup_cb, NULL); | |
1833 | return rc; | |
1834 | ||
1835 | } | |
1836 | ||
1837 | static inline int qeth_get_initial_mtu_for_card(struct qeth_card *card) | |
1838 | { | |
1839 | switch (card->info.type) { | |
1840 | case QETH_CARD_TYPE_UNKNOWN: | |
1841 | return 1500; | |
1842 | case QETH_CARD_TYPE_IQD: | |
1843 | return card->info.max_mtu; | |
5113fec0 | 1844 | case QETH_CARD_TYPE_OSD: |
4a71df50 FB |
1845 | switch (card->info.link_type) { |
1846 | case QETH_LINK_TYPE_HSTR: | |
1847 | case QETH_LINK_TYPE_LANE_TR: | |
1848 | return 2000; | |
1849 | default: | |
1850 | return 1492; | |
1851 | } | |
5113fec0 UB |
1852 | case QETH_CARD_TYPE_OSM: |
1853 | case QETH_CARD_TYPE_OSX: | |
1854 | return 1492; | |
4a71df50 FB |
1855 | default: |
1856 | return 1500; | |
1857 | } | |
1858 | } | |
1859 | ||
4a71df50 FB |
1860 | static inline int qeth_get_mtu_outof_framesize(int framesize) |
1861 | { | |
1862 | switch (framesize) { | |
1863 | case 0x4000: | |
1864 | return 8192; | |
1865 | case 0x6000: | |
1866 | return 16384; | |
1867 | case 0xa000: | |
1868 | return 32768; | |
1869 | case 0xffff: | |
1870 | return 57344; | |
1871 | default: | |
1872 | return 0; | |
1873 | } | |
1874 | } | |
1875 | ||
1876 | static inline int qeth_mtu_is_valid(struct qeth_card *card, int mtu) | |
1877 | { | |
1878 | switch (card->info.type) { | |
5113fec0 UB |
1879 | case QETH_CARD_TYPE_OSD: |
1880 | case QETH_CARD_TYPE_OSM: | |
1881 | case QETH_CARD_TYPE_OSX: | |
4a71df50 FB |
1882 | case QETH_CARD_TYPE_IQD: |
1883 | return ((mtu >= 576) && | |
9853b97b | 1884 | (mtu <= card->info.max_mtu)); |
4a71df50 FB |
1885 | case QETH_CARD_TYPE_OSN: |
1886 | case QETH_CARD_TYPE_UNKNOWN: | |
1887 | default: | |
1888 | return 1; | |
1889 | } | |
1890 | } | |
1891 | ||
1892 | static int qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1893 | unsigned long data) | |
1894 | { | |
1895 | ||
1896 | __u16 mtu, framesize; | |
1897 | __u16 len; | |
1898 | __u8 link_type; | |
1899 | struct qeth_cmd_buffer *iob; | |
1900 | ||
d11ba0c4 | 1901 | QETH_DBF_TEXT(SETUP, 2, "ulpenacb"); |
4a71df50 FB |
1902 | |
1903 | iob = (struct qeth_cmd_buffer *) data; | |
1904 | memcpy(&card->token.ulp_filter_r, | |
1905 | QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data), | |
1906 | QETH_MPC_TOKEN_LENGTH); | |
9853b97b | 1907 | if (card->info.type == QETH_CARD_TYPE_IQD) { |
4a71df50 FB |
1908 | memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2); |
1909 | mtu = qeth_get_mtu_outof_framesize(framesize); | |
1910 | if (!mtu) { | |
1911 | iob->rc = -EINVAL; | |
d11ba0c4 | 1912 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
4a71df50 FB |
1913 | return 0; |
1914 | } | |
8b2e18f6 UB |
1915 | if (card->info.initial_mtu && (card->info.initial_mtu != mtu)) { |
1916 | /* frame size has changed */ | |
1917 | if (card->dev && | |
1918 | ((card->dev->mtu == card->info.initial_mtu) || | |
1919 | (card->dev->mtu > mtu))) | |
1920 | card->dev->mtu = mtu; | |
1921 | qeth_free_qdio_buffers(card); | |
1922 | } | |
4a71df50 | 1923 | card->info.initial_mtu = mtu; |
8b2e18f6 | 1924 | card->info.max_mtu = mtu; |
4a71df50 FB |
1925 | card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE; |
1926 | } else { | |
1927 | card->info.initial_mtu = qeth_get_initial_mtu_for_card(card); | |
9853b97b FB |
1928 | card->info.max_mtu = *(__u16 *)QETH_ULP_ENABLE_RESP_MAX_MTU( |
1929 | iob->data); | |
4a71df50 FB |
1930 | card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; |
1931 | } | |
1932 | ||
1933 | memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2); | |
1934 | if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) { | |
1935 | memcpy(&link_type, | |
1936 | QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1); | |
1937 | card->info.link_type = link_type; | |
1938 | } else | |
1939 | card->info.link_type = 0; | |
01fc3e86 | 1940 | QETH_DBF_TEXT_(SETUP, 2, "link%d", card->info.link_type); |
d11ba0c4 | 1941 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
4a71df50 FB |
1942 | return 0; |
1943 | } | |
1944 | ||
1945 | static int qeth_ulp_enable(struct qeth_card *card) | |
1946 | { | |
1947 | int rc; | |
1948 | char prot_type; | |
1949 | struct qeth_cmd_buffer *iob; | |
1950 | ||
1951 | /*FIXME: trace view callbacks*/ | |
d11ba0c4 | 1952 | QETH_DBF_TEXT(SETUP, 2, "ulpenabl"); |
4a71df50 FB |
1953 | |
1954 | iob = qeth_wait_for_buffer(&card->write); | |
1955 | memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE); | |
1956 | ||
1957 | *(QETH_ULP_ENABLE_LINKNUM(iob->data)) = | |
1958 | (__u8) card->info.portno; | |
1959 | if (card->options.layer2) | |
1960 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
1961 | prot_type = QETH_PROT_OSN2; | |
1962 | else | |
1963 | prot_type = QETH_PROT_LAYER2; | |
1964 | else | |
1965 | prot_type = QETH_PROT_TCPIP; | |
1966 | ||
1967 | memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data), &prot_type, 1); | |
1968 | memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data), | |
1969 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
1970 | memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data), | |
1971 | &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH); | |
1972 | memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data), | |
1973 | card->info.portname, 9); | |
1974 | rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob, | |
1975 | qeth_ulp_enable_cb, NULL); | |
1976 | return rc; | |
1977 | ||
1978 | } | |
1979 | ||
1980 | static int qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1981 | unsigned long data) | |
1982 | { | |
1983 | struct qeth_cmd_buffer *iob; | |
65a1f898 | 1984 | int rc = 0; |
4a71df50 | 1985 | |
d11ba0c4 | 1986 | QETH_DBF_TEXT(SETUP, 2, "ulpstpcb"); |
4a71df50 FB |
1987 | |
1988 | iob = (struct qeth_cmd_buffer *) data; | |
1989 | memcpy(&card->token.ulp_connection_r, | |
1990 | QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data), | |
1991 | QETH_MPC_TOKEN_LENGTH); | |
65a1f898 UB |
1992 | if (!strncmp("00S", QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data), |
1993 | 3)) { | |
1994 | QETH_DBF_TEXT(SETUP, 2, "olmlimit"); | |
1995 | dev_err(&card->gdev->dev, "A connection could not be " | |
1996 | "established because of an OLM limit\n"); | |
bbb822a8 | 1997 | iob->rc = -EMLINK; |
65a1f898 | 1998 | } |
d11ba0c4 | 1999 | QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc); |
65a1f898 | 2000 | return rc; |
4a71df50 FB |
2001 | } |
2002 | ||
2003 | static int qeth_ulp_setup(struct qeth_card *card) | |
2004 | { | |
2005 | int rc; | |
2006 | __u16 temp; | |
2007 | struct qeth_cmd_buffer *iob; | |
2008 | struct ccw_dev_id dev_id; | |
2009 | ||
d11ba0c4 | 2010 | QETH_DBF_TEXT(SETUP, 2, "ulpsetup"); |
4a71df50 FB |
2011 | |
2012 | iob = qeth_wait_for_buffer(&card->write); | |
2013 | memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE); | |
2014 | ||
2015 | memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data), | |
2016 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2017 | memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data), | |
2018 | &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH); | |
2019 | memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data), | |
2020 | &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH); | |
2021 | ||
2022 | ccw_device_get_id(CARD_DDEV(card), &dev_id); | |
2023 | memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2); | |
2024 | temp = (card->info.cula << 8) + card->info.unit_addr2; | |
2025 | memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2); | |
2026 | rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob, | |
2027 | qeth_ulp_setup_cb, NULL); | |
2028 | return rc; | |
2029 | } | |
2030 | ||
2031 | static int qeth_alloc_qdio_buffers(struct qeth_card *card) | |
2032 | { | |
2033 | int i, j; | |
2034 | ||
d11ba0c4 | 2035 | QETH_DBF_TEXT(SETUP, 2, "allcqdbf"); |
4a71df50 FB |
2036 | |
2037 | if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED, | |
2038 | QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED) | |
2039 | return 0; | |
2040 | ||
2041 | card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), | |
508b3c4f | 2042 | GFP_KERNEL); |
4a71df50 FB |
2043 | if (!card->qdio.in_q) |
2044 | goto out_nomem; | |
d11ba0c4 PT |
2045 | QETH_DBF_TEXT(SETUP, 2, "inq"); |
2046 | QETH_DBF_HEX(SETUP, 2, &card->qdio.in_q, sizeof(void *)); | |
4a71df50 FB |
2047 | memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q)); |
2048 | /* give inbound qeth_qdio_buffers their qdio_buffers */ | |
2049 | for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) | |
2050 | card->qdio.in_q->bufs[i].buffer = | |
2051 | &card->qdio.in_q->qdio_bufs[i]; | |
2052 | /* inbound buffer pool */ | |
2053 | if (qeth_alloc_buffer_pool(card)) | |
2054 | goto out_freeinq; | |
2055 | /* outbound */ | |
2056 | card->qdio.out_qs = | |
2057 | kmalloc(card->qdio.no_out_queues * | |
2058 | sizeof(struct qeth_qdio_out_q *), GFP_KERNEL); | |
2059 | if (!card->qdio.out_qs) | |
2060 | goto out_freepool; | |
2061 | for (i = 0; i < card->qdio.no_out_queues; ++i) { | |
2062 | card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q), | |
508b3c4f | 2063 | GFP_KERNEL); |
4a71df50 FB |
2064 | if (!card->qdio.out_qs[i]) |
2065 | goto out_freeoutq; | |
d11ba0c4 PT |
2066 | QETH_DBF_TEXT_(SETUP, 2, "outq %i", i); |
2067 | QETH_DBF_HEX(SETUP, 2, &card->qdio.out_qs[i], sizeof(void *)); | |
4a71df50 FB |
2068 | memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q)); |
2069 | card->qdio.out_qs[i]->queue_no = i; | |
2070 | /* give outbound qeth_qdio_buffers their qdio_buffers */ | |
2071 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) { | |
2072 | card->qdio.out_qs[i]->bufs[j].buffer = | |
2073 | &card->qdio.out_qs[i]->qdio_bufs[j]; | |
2074 | skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j]. | |
2075 | skb_list); | |
2076 | lockdep_set_class( | |
2077 | &card->qdio.out_qs[i]->bufs[j].skb_list.lock, | |
2078 | &qdio_out_skb_queue_key); | |
2079 | INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list); | |
2080 | } | |
2081 | } | |
2082 | return 0; | |
2083 | ||
2084 | out_freeoutq: | |
2085 | while (i > 0) | |
2086 | kfree(card->qdio.out_qs[--i]); | |
2087 | kfree(card->qdio.out_qs); | |
2088 | card->qdio.out_qs = NULL; | |
2089 | out_freepool: | |
2090 | qeth_free_buffer_pool(card); | |
2091 | out_freeinq: | |
2092 | kfree(card->qdio.in_q); | |
2093 | card->qdio.in_q = NULL; | |
2094 | out_nomem: | |
2095 | atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED); | |
2096 | return -ENOMEM; | |
2097 | } | |
2098 | ||
2099 | static void qeth_create_qib_param_field(struct qeth_card *card, | |
2100 | char *param_field) | |
2101 | { | |
2102 | ||
2103 | param_field[0] = _ascebc['P']; | |
2104 | param_field[1] = _ascebc['C']; | |
2105 | param_field[2] = _ascebc['I']; | |
2106 | param_field[3] = _ascebc['T']; | |
2107 | *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card); | |
2108 | *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card); | |
2109 | *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card); | |
2110 | } | |
2111 | ||
2112 | static void qeth_create_qib_param_field_blkt(struct qeth_card *card, | |
2113 | char *param_field) | |
2114 | { | |
2115 | param_field[16] = _ascebc['B']; | |
2116 | param_field[17] = _ascebc['L']; | |
2117 | param_field[18] = _ascebc['K']; | |
2118 | param_field[19] = _ascebc['T']; | |
2119 | *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total; | |
2120 | *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet; | |
2121 | *((unsigned int *) (¶m_field[28])) = | |
2122 | card->info.blkt.inter_packet_jumbo; | |
2123 | } | |
2124 | ||
2125 | static int qeth_qdio_activate(struct qeth_card *card) | |
2126 | { | |
d11ba0c4 | 2127 | QETH_DBF_TEXT(SETUP, 3, "qdioact"); |
779e6e1c | 2128 | return qdio_activate(CARD_DDEV(card)); |
4a71df50 FB |
2129 | } |
2130 | ||
2131 | static int qeth_dm_act(struct qeth_card *card) | |
2132 | { | |
2133 | int rc; | |
2134 | struct qeth_cmd_buffer *iob; | |
2135 | ||
d11ba0c4 | 2136 | QETH_DBF_TEXT(SETUP, 2, "dmact"); |
4a71df50 FB |
2137 | |
2138 | iob = qeth_wait_for_buffer(&card->write); | |
2139 | memcpy(iob->data, DM_ACT, DM_ACT_SIZE); | |
2140 | ||
2141 | memcpy(QETH_DM_ACT_DEST_ADDR(iob->data), | |
2142 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2143 | memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data), | |
2144 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2145 | rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL); | |
2146 | return rc; | |
2147 | } | |
2148 | ||
2149 | static int qeth_mpc_initialize(struct qeth_card *card) | |
2150 | { | |
2151 | int rc; | |
2152 | ||
d11ba0c4 | 2153 | QETH_DBF_TEXT(SETUP, 2, "mpcinit"); |
4a71df50 FB |
2154 | |
2155 | rc = qeth_issue_next_read(card); | |
2156 | if (rc) { | |
d11ba0c4 | 2157 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
2158 | return rc; |
2159 | } | |
2160 | rc = qeth_cm_enable(card); | |
2161 | if (rc) { | |
d11ba0c4 | 2162 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
4a71df50 FB |
2163 | goto out_qdio; |
2164 | } | |
2165 | rc = qeth_cm_setup(card); | |
2166 | if (rc) { | |
d11ba0c4 | 2167 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
4a71df50 FB |
2168 | goto out_qdio; |
2169 | } | |
2170 | rc = qeth_ulp_enable(card); | |
2171 | if (rc) { | |
d11ba0c4 | 2172 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); |
4a71df50 FB |
2173 | goto out_qdio; |
2174 | } | |
2175 | rc = qeth_ulp_setup(card); | |
2176 | if (rc) { | |
d11ba0c4 | 2177 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); |
4a71df50 FB |
2178 | goto out_qdio; |
2179 | } | |
2180 | rc = qeth_alloc_qdio_buffers(card); | |
2181 | if (rc) { | |
d11ba0c4 | 2182 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); |
4a71df50 FB |
2183 | goto out_qdio; |
2184 | } | |
2185 | rc = qeth_qdio_establish(card); | |
2186 | if (rc) { | |
d11ba0c4 | 2187 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
4a71df50 FB |
2188 | qeth_free_qdio_buffers(card); |
2189 | goto out_qdio; | |
2190 | } | |
2191 | rc = qeth_qdio_activate(card); | |
2192 | if (rc) { | |
d11ba0c4 | 2193 | QETH_DBF_TEXT_(SETUP, 2, "7err%d", rc); |
4a71df50 FB |
2194 | goto out_qdio; |
2195 | } | |
2196 | rc = qeth_dm_act(card); | |
2197 | if (rc) { | |
d11ba0c4 | 2198 | QETH_DBF_TEXT_(SETUP, 2, "8err%d", rc); |
4a71df50 FB |
2199 | goto out_qdio; |
2200 | } | |
2201 | ||
2202 | return 0; | |
2203 | out_qdio: | |
2204 | qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); | |
2205 | return rc; | |
2206 | } | |
2207 | ||
2208 | static void qeth_print_status_with_portname(struct qeth_card *card) | |
2209 | { | |
2210 | char dbf_text[15]; | |
2211 | int i; | |
2212 | ||
2213 | sprintf(dbf_text, "%s", card->info.portname + 1); | |
2214 | for (i = 0; i < 8; i++) | |
2215 | dbf_text[i] = | |
2216 | (char) _ebcasc[(__u8) dbf_text[i]]; | |
2217 | dbf_text[8] = 0; | |
74eacdb9 | 2218 | dev_info(&card->gdev->dev, "Device is a%s card%s%s%s\n" |
4a71df50 | 2219 | "with link type %s (portname: %s)\n", |
4a71df50 FB |
2220 | qeth_get_cardname(card), |
2221 | (card->info.mcl_level[0]) ? " (level: " : "", | |
2222 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
2223 | (card->info.mcl_level[0]) ? ")" : "", | |
2224 | qeth_get_cardname_short(card), | |
2225 | dbf_text); | |
2226 | ||
2227 | } | |
2228 | ||
2229 | static void qeth_print_status_no_portname(struct qeth_card *card) | |
2230 | { | |
2231 | if (card->info.portname[0]) | |
74eacdb9 | 2232 | dev_info(&card->gdev->dev, "Device is a%s " |
4a71df50 FB |
2233 | "card%s%s%s\nwith link type %s " |
2234 | "(no portname needed by interface).\n", | |
4a71df50 FB |
2235 | qeth_get_cardname(card), |
2236 | (card->info.mcl_level[0]) ? " (level: " : "", | |
2237 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
2238 | (card->info.mcl_level[0]) ? ")" : "", | |
2239 | qeth_get_cardname_short(card)); | |
2240 | else | |
74eacdb9 | 2241 | dev_info(&card->gdev->dev, "Device is a%s " |
4a71df50 | 2242 | "card%s%s%s\nwith link type %s.\n", |
4a71df50 FB |
2243 | qeth_get_cardname(card), |
2244 | (card->info.mcl_level[0]) ? " (level: " : "", | |
2245 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
2246 | (card->info.mcl_level[0]) ? ")" : "", | |
2247 | qeth_get_cardname_short(card)); | |
2248 | } | |
2249 | ||
2250 | void qeth_print_status_message(struct qeth_card *card) | |
2251 | { | |
2252 | switch (card->info.type) { | |
5113fec0 UB |
2253 | case QETH_CARD_TYPE_OSD: |
2254 | case QETH_CARD_TYPE_OSM: | |
2255 | case QETH_CARD_TYPE_OSX: | |
4a71df50 FB |
2256 | /* VM will use a non-zero first character |
2257 | * to indicate a HiperSockets like reporting | |
2258 | * of the level OSA sets the first character to zero | |
2259 | * */ | |
2260 | if (!card->info.mcl_level[0]) { | |
2261 | sprintf(card->info.mcl_level, "%02x%02x", | |
2262 | card->info.mcl_level[2], | |
2263 | card->info.mcl_level[3]); | |
2264 | ||
2265 | card->info.mcl_level[QETH_MCL_LENGTH] = 0; | |
2266 | break; | |
2267 | } | |
2268 | /* fallthrough */ | |
2269 | case QETH_CARD_TYPE_IQD: | |
906f1f07 KDW |
2270 | if ((card->info.guestlan) || |
2271 | (card->info.mcl_level[0] & 0x80)) { | |
4a71df50 FB |
2272 | card->info.mcl_level[0] = (char) _ebcasc[(__u8) |
2273 | card->info.mcl_level[0]]; | |
2274 | card->info.mcl_level[1] = (char) _ebcasc[(__u8) | |
2275 | card->info.mcl_level[1]]; | |
2276 | card->info.mcl_level[2] = (char) _ebcasc[(__u8) | |
2277 | card->info.mcl_level[2]]; | |
2278 | card->info.mcl_level[3] = (char) _ebcasc[(__u8) | |
2279 | card->info.mcl_level[3]]; | |
2280 | card->info.mcl_level[QETH_MCL_LENGTH] = 0; | |
2281 | } | |
2282 | break; | |
2283 | default: | |
2284 | memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1); | |
2285 | } | |
2286 | if (card->info.portname_required) | |
2287 | qeth_print_status_with_portname(card); | |
2288 | else | |
2289 | qeth_print_status_no_portname(card); | |
2290 | } | |
2291 | EXPORT_SYMBOL_GPL(qeth_print_status_message); | |
2292 | ||
4a71df50 FB |
2293 | static void qeth_initialize_working_pool_list(struct qeth_card *card) |
2294 | { | |
2295 | struct qeth_buffer_pool_entry *entry; | |
2296 | ||
847a50fd | 2297 | QETH_CARD_TEXT(card, 5, "inwrklst"); |
4a71df50 FB |
2298 | |
2299 | list_for_each_entry(entry, | |
2300 | &card->qdio.init_pool.entry_list, init_list) { | |
2301 | qeth_put_buffer_pool_entry(card, entry); | |
2302 | } | |
2303 | } | |
2304 | ||
2305 | static inline struct qeth_buffer_pool_entry *qeth_find_free_buffer_pool_entry( | |
2306 | struct qeth_card *card) | |
2307 | { | |
2308 | struct list_head *plh; | |
2309 | struct qeth_buffer_pool_entry *entry; | |
2310 | int i, free; | |
2311 | struct page *page; | |
2312 | ||
2313 | if (list_empty(&card->qdio.in_buf_pool.entry_list)) | |
2314 | return NULL; | |
2315 | ||
2316 | list_for_each(plh, &card->qdio.in_buf_pool.entry_list) { | |
2317 | entry = list_entry(plh, struct qeth_buffer_pool_entry, list); | |
2318 | free = 1; | |
2319 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { | |
2320 | if (page_count(virt_to_page(entry->elements[i])) > 1) { | |
2321 | free = 0; | |
2322 | break; | |
2323 | } | |
2324 | } | |
2325 | if (free) { | |
2326 | list_del_init(&entry->list); | |
2327 | return entry; | |
2328 | } | |
2329 | } | |
2330 | ||
2331 | /* no free buffer in pool so take first one and swap pages */ | |
2332 | entry = list_entry(card->qdio.in_buf_pool.entry_list.next, | |
2333 | struct qeth_buffer_pool_entry, list); | |
2334 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { | |
2335 | if (page_count(virt_to_page(entry->elements[i])) > 1) { | |
508b3c4f | 2336 | page = alloc_page(GFP_ATOMIC); |
4a71df50 FB |
2337 | if (!page) { |
2338 | return NULL; | |
2339 | } else { | |
2340 | free_page((unsigned long)entry->elements[i]); | |
2341 | entry->elements[i] = page_address(page); | |
2342 | if (card->options.performance_stats) | |
2343 | card->perf_stats.sg_alloc_page_rx++; | |
2344 | } | |
2345 | } | |
2346 | } | |
2347 | list_del_init(&entry->list); | |
2348 | return entry; | |
2349 | } | |
2350 | ||
2351 | static int qeth_init_input_buffer(struct qeth_card *card, | |
2352 | struct qeth_qdio_buffer *buf) | |
2353 | { | |
2354 | struct qeth_buffer_pool_entry *pool_entry; | |
2355 | int i; | |
2356 | ||
2357 | pool_entry = qeth_find_free_buffer_pool_entry(card); | |
2358 | if (!pool_entry) | |
2359 | return 1; | |
2360 | ||
2361 | /* | |
2362 | * since the buffer is accessed only from the input_tasklet | |
2363 | * there shouldn't be a need to synchronize; also, since we use | |
2364 | * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off | |
2365 | * buffers | |
2366 | */ | |
4a71df50 FB |
2367 | |
2368 | buf->pool_entry = pool_entry; | |
2369 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { | |
2370 | buf->buffer->element[i].length = PAGE_SIZE; | |
2371 | buf->buffer->element[i].addr = pool_entry->elements[i]; | |
2372 | if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1) | |
3ec90878 | 2373 | buf->buffer->element[i].eflags = SBAL_EFLAGS_LAST_ENTRY; |
4a71df50 | 2374 | else |
3ec90878 JG |
2375 | buf->buffer->element[i].eflags = 0; |
2376 | buf->buffer->element[i].sflags = 0; | |
4a71df50 FB |
2377 | } |
2378 | return 0; | |
2379 | } | |
2380 | ||
2381 | int qeth_init_qdio_queues(struct qeth_card *card) | |
2382 | { | |
2383 | int i, j; | |
2384 | int rc; | |
2385 | ||
d11ba0c4 | 2386 | QETH_DBF_TEXT(SETUP, 2, "initqdqs"); |
4a71df50 FB |
2387 | |
2388 | /* inbound queue */ | |
2389 | memset(card->qdio.in_q->qdio_bufs, 0, | |
2390 | QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); | |
2391 | qeth_initialize_working_pool_list(card); | |
2392 | /*give only as many buffers to hardware as we have buffer pool entries*/ | |
2393 | for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i) | |
2394 | qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]); | |
2395 | card->qdio.in_q->next_buf_to_init = | |
2396 | card->qdio.in_buf_pool.buf_count - 1; | |
2397 | rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0, | |
779e6e1c | 2398 | card->qdio.in_buf_pool.buf_count - 1); |
4a71df50 | 2399 | if (rc) { |
d11ba0c4 | 2400 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
2401 | return rc; |
2402 | } | |
4a71df50 FB |
2403 | /* outbound queue */ |
2404 | for (i = 0; i < card->qdio.no_out_queues; ++i) { | |
2405 | memset(card->qdio.out_qs[i]->qdio_bufs, 0, | |
2406 | QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); | |
2407 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) { | |
2408 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
2409 | &card->qdio.out_qs[i]->bufs[j]); | |
2410 | } | |
2411 | card->qdio.out_qs[i]->card = card; | |
2412 | card->qdio.out_qs[i]->next_buf_to_fill = 0; | |
2413 | card->qdio.out_qs[i]->do_pack = 0; | |
2414 | atomic_set(&card->qdio.out_qs[i]->used_buffers, 0); | |
2415 | atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0); | |
2416 | atomic_set(&card->qdio.out_qs[i]->state, | |
2417 | QETH_OUT_Q_UNLOCKED); | |
2418 | } | |
2419 | return 0; | |
2420 | } | |
2421 | EXPORT_SYMBOL_GPL(qeth_init_qdio_queues); | |
2422 | ||
2423 | static inline __u8 qeth_get_ipa_adp_type(enum qeth_link_types link_type) | |
2424 | { | |
2425 | switch (link_type) { | |
2426 | case QETH_LINK_TYPE_HSTR: | |
2427 | return 2; | |
2428 | default: | |
2429 | return 1; | |
2430 | } | |
2431 | } | |
2432 | ||
2433 | static void qeth_fill_ipacmd_header(struct qeth_card *card, | |
2434 | struct qeth_ipa_cmd *cmd, __u8 command, | |
2435 | enum qeth_prot_versions prot) | |
2436 | { | |
2437 | memset(cmd, 0, sizeof(struct qeth_ipa_cmd)); | |
2438 | cmd->hdr.command = command; | |
2439 | cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST; | |
2440 | cmd->hdr.seqno = card->seqno.ipa; | |
2441 | cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type); | |
2442 | cmd->hdr.rel_adapter_no = (__u8) card->info.portno; | |
2443 | if (card->options.layer2) | |
2444 | cmd->hdr.prim_version_no = 2; | |
2445 | else | |
2446 | cmd->hdr.prim_version_no = 1; | |
2447 | cmd->hdr.param_count = 1; | |
2448 | cmd->hdr.prot_version = prot; | |
2449 | cmd->hdr.ipa_supported = 0; | |
2450 | cmd->hdr.ipa_enabled = 0; | |
2451 | } | |
2452 | ||
2453 | struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *card, | |
2454 | enum qeth_ipa_cmds ipacmd, enum qeth_prot_versions prot) | |
2455 | { | |
2456 | struct qeth_cmd_buffer *iob; | |
2457 | struct qeth_ipa_cmd *cmd; | |
2458 | ||
2459 | iob = qeth_wait_for_buffer(&card->write); | |
2460 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2461 | qeth_fill_ipacmd_header(card, cmd, ipacmd, prot); | |
2462 | ||
2463 | return iob; | |
2464 | } | |
2465 | EXPORT_SYMBOL_GPL(qeth_get_ipacmd_buffer); | |
2466 | ||
2467 | void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
2468 | char prot_type) | |
2469 | { | |
2470 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2471 | memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data), &prot_type, 1); | |
2472 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2473 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2474 | } | |
2475 | EXPORT_SYMBOL_GPL(qeth_prepare_ipa_cmd); | |
2476 | ||
2477 | int qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
2478 | int (*reply_cb)(struct qeth_card *, struct qeth_reply*, | |
2479 | unsigned long), | |
2480 | void *reply_param) | |
2481 | { | |
2482 | int rc; | |
2483 | char prot_type; | |
4a71df50 | 2484 | |
847a50fd | 2485 | QETH_CARD_TEXT(card, 4, "sendipa"); |
4a71df50 FB |
2486 | |
2487 | if (card->options.layer2) | |
2488 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
2489 | prot_type = QETH_PROT_OSN2; | |
2490 | else | |
2491 | prot_type = QETH_PROT_LAYER2; | |
2492 | else | |
2493 | prot_type = QETH_PROT_TCPIP; | |
2494 | qeth_prepare_ipa_cmd(card, iob, prot_type); | |
d11ba0c4 PT |
2495 | rc = qeth_send_control_data(card, IPA_CMD_LENGTH, |
2496 | iob, reply_cb, reply_param); | |
908abbb5 UB |
2497 | if (rc == -ETIME) { |
2498 | qeth_clear_ipacmd_list(card); | |
2499 | qeth_schedule_recovery(card); | |
2500 | } | |
4a71df50 FB |
2501 | return rc; |
2502 | } | |
2503 | EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd); | |
2504 | ||
4a71df50 FB |
2505 | int qeth_send_startlan(struct qeth_card *card) |
2506 | { | |
2507 | int rc; | |
70919e23 | 2508 | struct qeth_cmd_buffer *iob; |
4a71df50 | 2509 | |
d11ba0c4 | 2510 | QETH_DBF_TEXT(SETUP, 2, "strtlan"); |
4a71df50 | 2511 | |
70919e23 UB |
2512 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_STARTLAN, 0); |
2513 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
4a71df50 FB |
2514 | return rc; |
2515 | } | |
2516 | EXPORT_SYMBOL_GPL(qeth_send_startlan); | |
2517 | ||
4a71df50 FB |
2518 | int qeth_default_setadapterparms_cb(struct qeth_card *card, |
2519 | struct qeth_reply *reply, unsigned long data) | |
2520 | { | |
2521 | struct qeth_ipa_cmd *cmd; | |
2522 | ||
847a50fd | 2523 | QETH_CARD_TEXT(card, 4, "defadpcb"); |
4a71df50 FB |
2524 | |
2525 | cmd = (struct qeth_ipa_cmd *) data; | |
2526 | if (cmd->hdr.return_code == 0) | |
2527 | cmd->hdr.return_code = | |
2528 | cmd->data.setadapterparms.hdr.return_code; | |
2529 | return 0; | |
2530 | } | |
2531 | EXPORT_SYMBOL_GPL(qeth_default_setadapterparms_cb); | |
2532 | ||
2533 | static int qeth_query_setadapterparms_cb(struct qeth_card *card, | |
2534 | struct qeth_reply *reply, unsigned long data) | |
2535 | { | |
2536 | struct qeth_ipa_cmd *cmd; | |
2537 | ||
847a50fd | 2538 | QETH_CARD_TEXT(card, 3, "quyadpcb"); |
4a71df50 FB |
2539 | |
2540 | cmd = (struct qeth_ipa_cmd *) data; | |
5113fec0 | 2541 | if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) { |
4a71df50 FB |
2542 | card->info.link_type = |
2543 | cmd->data.setadapterparms.data.query_cmds_supp.lan_type; | |
5113fec0 UB |
2544 | QETH_DBF_TEXT_(SETUP, 2, "lnk %d", card->info.link_type); |
2545 | } | |
4a71df50 FB |
2546 | card->options.adp.supported_funcs = |
2547 | cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds; | |
2548 | return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); | |
2549 | } | |
2550 | ||
2551 | struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card, | |
2552 | __u32 command, __u32 cmdlen) | |
2553 | { | |
2554 | struct qeth_cmd_buffer *iob; | |
2555 | struct qeth_ipa_cmd *cmd; | |
2556 | ||
2557 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETADAPTERPARMS, | |
2558 | QETH_PROT_IPV4); | |
2559 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2560 | cmd->data.setadapterparms.hdr.cmdlength = cmdlen; | |
2561 | cmd->data.setadapterparms.hdr.command_code = command; | |
2562 | cmd->data.setadapterparms.hdr.used_total = 1; | |
2563 | cmd->data.setadapterparms.hdr.seq_no = 1; | |
2564 | ||
2565 | return iob; | |
2566 | } | |
2567 | EXPORT_SYMBOL_GPL(qeth_get_adapter_cmd); | |
2568 | ||
2569 | int qeth_query_setadapterparms(struct qeth_card *card) | |
2570 | { | |
2571 | int rc; | |
2572 | struct qeth_cmd_buffer *iob; | |
2573 | ||
847a50fd | 2574 | QETH_CARD_TEXT(card, 3, "queryadp"); |
4a71df50 FB |
2575 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED, |
2576 | sizeof(struct qeth_ipacmd_setadpparms)); | |
2577 | rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL); | |
2578 | return rc; | |
2579 | } | |
2580 | EXPORT_SYMBOL_GPL(qeth_query_setadapterparms); | |
2581 | ||
1da74b1c FB |
2582 | static int qeth_query_ipassists_cb(struct qeth_card *card, |
2583 | struct qeth_reply *reply, unsigned long data) | |
2584 | { | |
2585 | struct qeth_ipa_cmd *cmd; | |
2586 | ||
2587 | QETH_DBF_TEXT(SETUP, 2, "qipasscb"); | |
2588 | ||
2589 | cmd = (struct qeth_ipa_cmd *) data; | |
2590 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) { | |
2591 | card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; | |
2592 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
2593 | } else { | |
2594 | card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; | |
2595 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
2596 | } | |
2597 | QETH_DBF_TEXT(SETUP, 2, "suppenbl"); | |
2598 | QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_supported); | |
2599 | QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_enabled); | |
2600 | return 0; | |
2601 | } | |
2602 | ||
2603 | int qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot) | |
2604 | { | |
2605 | int rc; | |
2606 | struct qeth_cmd_buffer *iob; | |
2607 | ||
2608 | QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot); | |
2609 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot); | |
2610 | rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL); | |
2611 | return rc; | |
2612 | } | |
2613 | EXPORT_SYMBOL_GPL(qeth_query_ipassists); | |
2614 | ||
2615 | static int qeth_query_setdiagass_cb(struct qeth_card *card, | |
2616 | struct qeth_reply *reply, unsigned long data) | |
2617 | { | |
2618 | struct qeth_ipa_cmd *cmd; | |
2619 | __u16 rc; | |
2620 | ||
2621 | cmd = (struct qeth_ipa_cmd *)data; | |
2622 | rc = cmd->hdr.return_code; | |
2623 | if (rc) | |
2624 | QETH_CARD_TEXT_(card, 2, "diagq:%x", rc); | |
2625 | else | |
2626 | card->info.diagass_support = cmd->data.diagass.ext; | |
2627 | return 0; | |
2628 | } | |
2629 | ||
2630 | static int qeth_query_setdiagass(struct qeth_card *card) | |
2631 | { | |
2632 | struct qeth_cmd_buffer *iob; | |
2633 | struct qeth_ipa_cmd *cmd; | |
2634 | ||
2635 | QETH_DBF_TEXT(SETUP, 2, "qdiagass"); | |
2636 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
2637 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2638 | cmd->data.diagass.subcmd_len = 16; | |
2639 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_QUERY; | |
2640 | return qeth_send_ipa_cmd(card, iob, qeth_query_setdiagass_cb, NULL); | |
2641 | } | |
2642 | ||
2643 | static void qeth_get_trap_id(struct qeth_card *card, struct qeth_trap_id *tid) | |
2644 | { | |
2645 | unsigned long info = get_zeroed_page(GFP_KERNEL); | |
2646 | struct sysinfo_2_2_2 *info222 = (struct sysinfo_2_2_2 *)info; | |
2647 | struct sysinfo_3_2_2 *info322 = (struct sysinfo_3_2_2 *)info; | |
2648 | struct ccw_dev_id ccwid; | |
2649 | int level, rc; | |
2650 | ||
2651 | tid->chpid = card->info.chpid; | |
2652 | ccw_device_get_id(CARD_RDEV(card), &ccwid); | |
2653 | tid->ssid = ccwid.ssid; | |
2654 | tid->devno = ccwid.devno; | |
2655 | if (!info) | |
2656 | return; | |
2657 | ||
2658 | rc = stsi(NULL, 0, 0, 0); | |
2659 | if (rc == -ENOSYS) | |
2660 | level = rc; | |
2661 | else | |
2662 | level = (((unsigned int) rc) >> 28); | |
2663 | ||
2664 | if ((level >= 2) && (stsi(info222, 2, 2, 2) != -ENOSYS)) | |
2665 | tid->lparnr = info222->lpar_number; | |
2666 | ||
2667 | if ((level >= 3) && (stsi(info322, 3, 2, 2) != -ENOSYS)) { | |
2668 | EBCASC(info322->vm[0].name, sizeof(info322->vm[0].name)); | |
2669 | memcpy(tid->vmname, info322->vm[0].name, sizeof(tid->vmname)); | |
2670 | } | |
2671 | free_page(info); | |
2672 | return; | |
2673 | } | |
2674 | ||
2675 | static int qeth_hw_trap_cb(struct qeth_card *card, | |
2676 | struct qeth_reply *reply, unsigned long data) | |
2677 | { | |
2678 | struct qeth_ipa_cmd *cmd; | |
2679 | __u16 rc; | |
2680 | ||
2681 | cmd = (struct qeth_ipa_cmd *)data; | |
2682 | rc = cmd->hdr.return_code; | |
2683 | if (rc) | |
2684 | QETH_CARD_TEXT_(card, 2, "trapc:%x", rc); | |
2685 | return 0; | |
2686 | } | |
2687 | ||
2688 | int qeth_hw_trap(struct qeth_card *card, enum qeth_diags_trap_action action) | |
2689 | { | |
2690 | struct qeth_cmd_buffer *iob; | |
2691 | struct qeth_ipa_cmd *cmd; | |
2692 | ||
2693 | QETH_DBF_TEXT(SETUP, 2, "diagtrap"); | |
2694 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
2695 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2696 | cmd->data.diagass.subcmd_len = 80; | |
2697 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRAP; | |
2698 | cmd->data.diagass.type = 1; | |
2699 | cmd->data.diagass.action = action; | |
2700 | switch (action) { | |
2701 | case QETH_DIAGS_TRAP_ARM: | |
2702 | cmd->data.diagass.options = 0x0003; | |
2703 | cmd->data.diagass.ext = 0x00010000 + | |
2704 | sizeof(struct qeth_trap_id); | |
2705 | qeth_get_trap_id(card, | |
2706 | (struct qeth_trap_id *)cmd->data.diagass.cdata); | |
2707 | break; | |
2708 | case QETH_DIAGS_TRAP_DISARM: | |
2709 | cmd->data.diagass.options = 0x0001; | |
2710 | break; | |
2711 | case QETH_DIAGS_TRAP_CAPTURE: | |
2712 | break; | |
2713 | } | |
2714 | return qeth_send_ipa_cmd(card, iob, qeth_hw_trap_cb, NULL); | |
2715 | } | |
2716 | EXPORT_SYMBOL_GPL(qeth_hw_trap); | |
2717 | ||
76b11f8e UB |
2718 | int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf, |
2719 | unsigned int qdio_error, const char *dbftext) | |
4a71df50 | 2720 | { |
779e6e1c | 2721 | if (qdio_error) { |
847a50fd | 2722 | QETH_CARD_TEXT(card, 2, dbftext); |
38593d01 | 2723 | QETH_CARD_TEXT_(card, 2, " F15=%02X", |
3ec90878 | 2724 | buf->element[15].sflags); |
38593d01 | 2725 | QETH_CARD_TEXT_(card, 2, " F14=%02X", |
3ec90878 | 2726 | buf->element[14].sflags); |
38593d01 | 2727 | QETH_CARD_TEXT_(card, 2, " qerr=%X", qdio_error); |
3ec90878 | 2728 | if ((buf->element[15].sflags) == 0x12) { |
76b11f8e UB |
2729 | card->stats.rx_dropped++; |
2730 | return 0; | |
2731 | } else | |
2732 | return 1; | |
4a71df50 FB |
2733 | } |
2734 | return 0; | |
2735 | } | |
2736 | EXPORT_SYMBOL_GPL(qeth_check_qdio_errors); | |
2737 | ||
2738 | void qeth_queue_input_buffer(struct qeth_card *card, int index) | |
2739 | { | |
2740 | struct qeth_qdio_q *queue = card->qdio.in_q; | |
2741 | int count; | |
2742 | int i; | |
2743 | int rc; | |
2744 | int newcount = 0; | |
2745 | ||
4a71df50 FB |
2746 | count = (index < queue->next_buf_to_init)? |
2747 | card->qdio.in_buf_pool.buf_count - | |
2748 | (queue->next_buf_to_init - index) : | |
2749 | card->qdio.in_buf_pool.buf_count - | |
2750 | (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index); | |
2751 | /* only requeue at a certain threshold to avoid SIGAs */ | |
2752 | if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)) { | |
2753 | for (i = queue->next_buf_to_init; | |
2754 | i < queue->next_buf_to_init + count; ++i) { | |
2755 | if (qeth_init_input_buffer(card, | |
2756 | &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) { | |
2757 | break; | |
2758 | } else { | |
2759 | newcount++; | |
2760 | } | |
2761 | } | |
2762 | ||
2763 | if (newcount < count) { | |
2764 | /* we are in memory shortage so we switch back to | |
2765 | traditional skb allocation and drop packages */ | |
4a71df50 FB |
2766 | atomic_set(&card->force_alloc_skb, 3); |
2767 | count = newcount; | |
2768 | } else { | |
4a71df50 FB |
2769 | atomic_add_unless(&card->force_alloc_skb, -1, 0); |
2770 | } | |
2771 | ||
2772 | /* | |
2773 | * according to old code it should be avoided to requeue all | |
2774 | * 128 buffers in order to benefit from PCI avoidance. | |
2775 | * this function keeps at least one buffer (the buffer at | |
2776 | * 'index') un-requeued -> this buffer is the first buffer that | |
2777 | * will be requeued the next time | |
2778 | */ | |
2779 | if (card->options.performance_stats) { | |
2780 | card->perf_stats.inbound_do_qdio_cnt++; | |
2781 | card->perf_stats.inbound_do_qdio_start_time = | |
2782 | qeth_get_micros(); | |
2783 | } | |
779e6e1c JG |
2784 | rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, |
2785 | queue->next_buf_to_init, count); | |
4a71df50 FB |
2786 | if (card->options.performance_stats) |
2787 | card->perf_stats.inbound_do_qdio_time += | |
2788 | qeth_get_micros() - | |
2789 | card->perf_stats.inbound_do_qdio_start_time; | |
2790 | if (rc) { | |
74eacdb9 FB |
2791 | dev_warn(&card->gdev->dev, |
2792 | "QDIO reported an error, rc=%i\n", rc); | |
847a50fd | 2793 | QETH_CARD_TEXT(card, 2, "qinberr"); |
4a71df50 FB |
2794 | } |
2795 | queue->next_buf_to_init = (queue->next_buf_to_init + count) % | |
2796 | QDIO_MAX_BUFFERS_PER_Q; | |
2797 | } | |
2798 | } | |
2799 | EXPORT_SYMBOL_GPL(qeth_queue_input_buffer); | |
2800 | ||
2801 | static int qeth_handle_send_error(struct qeth_card *card, | |
779e6e1c | 2802 | struct qeth_qdio_out_buffer *buffer, unsigned int qdio_err) |
4a71df50 | 2803 | { |
3ec90878 | 2804 | int sbalf15 = buffer->buffer->element[15].sflags; |
4a71df50 | 2805 | |
847a50fd | 2806 | QETH_CARD_TEXT(card, 6, "hdsnderr"); |
58490f18 KDW |
2807 | if (card->info.type == QETH_CARD_TYPE_IQD) { |
2808 | if (sbalf15 == 0) { | |
2809 | qdio_err = 0; | |
2810 | } else { | |
2811 | qdio_err = 1; | |
2812 | } | |
2813 | } | |
76b11f8e | 2814 | qeth_check_qdio_errors(card, buffer->buffer, qdio_err, "qouterr"); |
d303b6fd JG |
2815 | |
2816 | if (!qdio_err) | |
4a71df50 | 2817 | return QETH_SEND_ERROR_NONE; |
d303b6fd JG |
2818 | |
2819 | if ((sbalf15 >= 15) && (sbalf15 <= 31)) | |
2820 | return QETH_SEND_ERROR_RETRY; | |
2821 | ||
847a50fd CO |
2822 | QETH_CARD_TEXT(card, 1, "lnkfail"); |
2823 | QETH_CARD_TEXT_(card, 1, "%04x %02x", | |
d303b6fd JG |
2824 | (u16)qdio_err, (u8)sbalf15); |
2825 | return QETH_SEND_ERROR_LINK_FAILURE; | |
4a71df50 FB |
2826 | } |
2827 | ||
2828 | /* | |
2829 | * Switched to packing state if the number of used buffers on a queue | |
2830 | * reaches a certain limit. | |
2831 | */ | |
2832 | static void qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue) | |
2833 | { | |
2834 | if (!queue->do_pack) { | |
2835 | if (atomic_read(&queue->used_buffers) | |
2836 | >= QETH_HIGH_WATERMARK_PACK){ | |
2837 | /* switch non-PACKING -> PACKING */ | |
847a50fd | 2838 | QETH_CARD_TEXT(queue->card, 6, "np->pack"); |
4a71df50 FB |
2839 | if (queue->card->options.performance_stats) |
2840 | queue->card->perf_stats.sc_dp_p++; | |
2841 | queue->do_pack = 1; | |
2842 | } | |
2843 | } | |
2844 | } | |
2845 | ||
2846 | /* | |
2847 | * Switches from packing to non-packing mode. If there is a packing | |
2848 | * buffer on the queue this buffer will be prepared to be flushed. | |
2849 | * In that case 1 is returned to inform the caller. If no buffer | |
2850 | * has to be flushed, zero is returned. | |
2851 | */ | |
2852 | static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) | |
2853 | { | |
2854 | struct qeth_qdio_out_buffer *buffer; | |
2855 | int flush_count = 0; | |
2856 | ||
2857 | if (queue->do_pack) { | |
2858 | if (atomic_read(&queue->used_buffers) | |
2859 | <= QETH_LOW_WATERMARK_PACK) { | |
2860 | /* switch PACKING -> non-PACKING */ | |
847a50fd | 2861 | QETH_CARD_TEXT(queue->card, 6, "pack->np"); |
4a71df50 FB |
2862 | if (queue->card->options.performance_stats) |
2863 | queue->card->perf_stats.sc_p_dp++; | |
2864 | queue->do_pack = 0; | |
2865 | /* flush packing buffers */ | |
2866 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
2867 | if ((atomic_read(&buffer->state) == | |
2868 | QETH_QDIO_BUF_EMPTY) && | |
2869 | (buffer->next_element_to_fill > 0)) { | |
2870 | atomic_set(&buffer->state, | |
2871 | QETH_QDIO_BUF_PRIMED); | |
2872 | flush_count++; | |
2873 | queue->next_buf_to_fill = | |
2874 | (queue->next_buf_to_fill + 1) % | |
2875 | QDIO_MAX_BUFFERS_PER_Q; | |
2876 | } | |
2877 | } | |
2878 | } | |
2879 | return flush_count; | |
2880 | } | |
2881 | ||
2882 | /* | |
2883 | * Called to flush a packing buffer if no more pci flags are on the queue. | |
2884 | * Checks if there is a packing buffer and prepares it to be flushed. | |
2885 | * In that case returns 1, otherwise zero. | |
2886 | */ | |
2887 | static int qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue) | |
2888 | { | |
2889 | struct qeth_qdio_out_buffer *buffer; | |
2890 | ||
2891 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
2892 | if ((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) && | |
2893 | (buffer->next_element_to_fill > 0)) { | |
2894 | /* it's a packing buffer */ | |
2895 | atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); | |
2896 | queue->next_buf_to_fill = | |
2897 | (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; | |
2898 | return 1; | |
2899 | } | |
2900 | return 0; | |
2901 | } | |
2902 | ||
779e6e1c JG |
2903 | static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, |
2904 | int count) | |
4a71df50 FB |
2905 | { |
2906 | struct qeth_qdio_out_buffer *buf; | |
2907 | int rc; | |
2908 | int i; | |
2909 | unsigned int qdio_flags; | |
2910 | ||
4a71df50 FB |
2911 | for (i = index; i < index + count; ++i) { |
2912 | buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; | |
3ec90878 JG |
2913 | buf->buffer->element[buf->next_element_to_fill - 1].eflags |= |
2914 | SBAL_EFLAGS_LAST_ENTRY; | |
4a71df50 FB |
2915 | |
2916 | if (queue->card->info.type == QETH_CARD_TYPE_IQD) | |
2917 | continue; | |
2918 | ||
2919 | if (!queue->do_pack) { | |
2920 | if ((atomic_read(&queue->used_buffers) >= | |
2921 | (QETH_HIGH_WATERMARK_PACK - | |
2922 | QETH_WATERMARK_PACK_FUZZ)) && | |
2923 | !atomic_read(&queue->set_pci_flags_count)) { | |
2924 | /* it's likely that we'll go to packing | |
2925 | * mode soon */ | |
2926 | atomic_inc(&queue->set_pci_flags_count); | |
3ec90878 | 2927 | buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ; |
4a71df50 FB |
2928 | } |
2929 | } else { | |
2930 | if (!atomic_read(&queue->set_pci_flags_count)) { | |
2931 | /* | |
2932 | * there's no outstanding PCI any more, so we | |
2933 | * have to request a PCI to be sure the the PCI | |
2934 | * will wake at some time in the future then we | |
2935 | * can flush packed buffers that might still be | |
2936 | * hanging around, which can happen if no | |
2937 | * further send was requested by the stack | |
2938 | */ | |
2939 | atomic_inc(&queue->set_pci_flags_count); | |
3ec90878 | 2940 | buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ; |
4a71df50 FB |
2941 | } |
2942 | } | |
2943 | } | |
2944 | ||
2945 | queue->card->dev->trans_start = jiffies; | |
2946 | if (queue->card->options.performance_stats) { | |
2947 | queue->card->perf_stats.outbound_do_qdio_cnt++; | |
2948 | queue->card->perf_stats.outbound_do_qdio_start_time = | |
2949 | qeth_get_micros(); | |
2950 | } | |
2951 | qdio_flags = QDIO_FLAG_SYNC_OUTPUT; | |
4a71df50 FB |
2952 | if (atomic_read(&queue->set_pci_flags_count)) |
2953 | qdio_flags |= QDIO_FLAG_PCI_OUT; | |
2954 | rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags, | |
779e6e1c | 2955 | queue->queue_no, index, count); |
4a71df50 FB |
2956 | if (queue->card->options.performance_stats) |
2957 | queue->card->perf_stats.outbound_do_qdio_time += | |
2958 | qeth_get_micros() - | |
2959 | queue->card->perf_stats.outbound_do_qdio_start_time; | |
aa3a41d0 | 2960 | atomic_add(count, &queue->used_buffers); |
4a71df50 | 2961 | if (rc) { |
d303b6fd JG |
2962 | queue->card->stats.tx_errors += count; |
2963 | /* ignore temporary SIGA errors without busy condition */ | |
2964 | if (rc == QDIO_ERROR_SIGA_TARGET) | |
2965 | return; | |
847a50fd CO |
2966 | QETH_CARD_TEXT(queue->card, 2, "flushbuf"); |
2967 | QETH_CARD_TEXT_(queue->card, 2, " err%d", rc); | |
d303b6fd | 2968 | |
4a71df50 FB |
2969 | /* this must not happen under normal circumstances. if it |
2970 | * happens something is really wrong -> recover */ | |
2971 | qeth_schedule_recovery(queue->card); | |
2972 | return; | |
2973 | } | |
4a71df50 FB |
2974 | if (queue->card->options.performance_stats) |
2975 | queue->card->perf_stats.bufs_sent += count; | |
2976 | } | |
2977 | ||
2978 | static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue) | |
2979 | { | |
2980 | int index; | |
2981 | int flush_cnt = 0; | |
2982 | int q_was_packing = 0; | |
2983 | ||
2984 | /* | |
2985 | * check if weed have to switch to non-packing mode or if | |
2986 | * we have to get a pci flag out on the queue | |
2987 | */ | |
2988 | if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) || | |
2989 | !atomic_read(&queue->set_pci_flags_count)) { | |
2990 | if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) == | |
2991 | QETH_OUT_Q_UNLOCKED) { | |
2992 | /* | |
2993 | * If we get in here, there was no action in | |
2994 | * do_send_packet. So, we check if there is a | |
2995 | * packing buffer to be flushed here. | |
2996 | */ | |
2997 | netif_stop_queue(queue->card->dev); | |
2998 | index = queue->next_buf_to_fill; | |
2999 | q_was_packing = queue->do_pack; | |
3000 | /* queue->do_pack may change */ | |
3001 | barrier(); | |
3002 | flush_cnt += qeth_switch_to_nonpacking_if_needed(queue); | |
3003 | if (!flush_cnt && | |
3004 | !atomic_read(&queue->set_pci_flags_count)) | |
3005 | flush_cnt += | |
3006 | qeth_flush_buffers_on_no_pci(queue); | |
3007 | if (queue->card->options.performance_stats && | |
3008 | q_was_packing) | |
3009 | queue->card->perf_stats.bufs_sent_pack += | |
3010 | flush_cnt; | |
3011 | if (flush_cnt) | |
779e6e1c | 3012 | qeth_flush_buffers(queue, index, flush_cnt); |
4a71df50 FB |
3013 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); |
3014 | } | |
3015 | } | |
3016 | } | |
3017 | ||
a1c3ed4c FB |
3018 | void qeth_qdio_start_poll(struct ccw_device *ccwdev, int queue, |
3019 | unsigned long card_ptr) | |
3020 | { | |
3021 | struct qeth_card *card = (struct qeth_card *)card_ptr; | |
3022 | ||
0cffef48 | 3023 | if (card->dev && (card->dev->flags & IFF_UP)) |
a1c3ed4c FB |
3024 | napi_schedule(&card->napi); |
3025 | } | |
3026 | EXPORT_SYMBOL_GPL(qeth_qdio_start_poll); | |
3027 | ||
3028 | void qeth_qdio_input_handler(struct ccw_device *ccwdev, unsigned int qdio_err, | |
3029 | unsigned int queue, int first_element, int count, | |
3030 | unsigned long card_ptr) | |
3031 | { | |
3032 | struct qeth_card *card = (struct qeth_card *)card_ptr; | |
3033 | ||
3034 | if (qdio_err) | |
3035 | qeth_schedule_recovery(card); | |
3036 | } | |
3037 | EXPORT_SYMBOL_GPL(qeth_qdio_input_handler); | |
3038 | ||
779e6e1c JG |
3039 | void qeth_qdio_output_handler(struct ccw_device *ccwdev, |
3040 | unsigned int qdio_error, int __queue, int first_element, | |
3041 | int count, unsigned long card_ptr) | |
4a71df50 FB |
3042 | { |
3043 | struct qeth_card *card = (struct qeth_card *) card_ptr; | |
3044 | struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; | |
3045 | struct qeth_qdio_out_buffer *buffer; | |
3046 | int i; | |
3047 | ||
847a50fd | 3048 | QETH_CARD_TEXT(card, 6, "qdouhdl"); |
779e6e1c | 3049 | if (qdio_error & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) { |
847a50fd | 3050 | QETH_CARD_TEXT(card, 2, "achkcond"); |
779e6e1c JG |
3051 | netif_stop_queue(card->dev); |
3052 | qeth_schedule_recovery(card); | |
3053 | return; | |
4a71df50 FB |
3054 | } |
3055 | if (card->options.performance_stats) { | |
3056 | card->perf_stats.outbound_handler_cnt++; | |
3057 | card->perf_stats.outbound_handler_start_time = | |
3058 | qeth_get_micros(); | |
3059 | } | |
3060 | for (i = first_element; i < (first_element + count); ++i) { | |
3061 | buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; | |
b67d801f UB |
3062 | qeth_handle_send_error(card, buffer, qdio_error); |
3063 | qeth_clear_output_buffer(queue, buffer); | |
4a71df50 FB |
3064 | } |
3065 | atomic_sub(count, &queue->used_buffers); | |
3066 | /* check if we need to do something on this outbound queue */ | |
3067 | if (card->info.type != QETH_CARD_TYPE_IQD) | |
3068 | qeth_check_outbound_queue(queue); | |
3069 | ||
3070 | netif_wake_queue(queue->card->dev); | |
3071 | if (card->options.performance_stats) | |
3072 | card->perf_stats.outbound_handler_time += qeth_get_micros() - | |
3073 | card->perf_stats.outbound_handler_start_time; | |
3074 | } | |
3075 | EXPORT_SYMBOL_GPL(qeth_qdio_output_handler); | |
3076 | ||
4a71df50 FB |
3077 | int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb, |
3078 | int ipv, int cast_type) | |
3079 | { | |
5113fec0 UB |
3080 | if (!ipv && (card->info.type == QETH_CARD_TYPE_OSD || |
3081 | card->info.type == QETH_CARD_TYPE_OSX)) | |
4a71df50 FB |
3082 | return card->qdio.default_out_queue; |
3083 | switch (card->qdio.no_out_queues) { | |
3084 | case 4: | |
3085 | if (cast_type && card->info.is_multicast_different) | |
3086 | return card->info.is_multicast_different & | |
3087 | (card->qdio.no_out_queues - 1); | |
3088 | if (card->qdio.do_prio_queueing && (ipv == 4)) { | |
3089 | const u8 tos = ip_hdr(skb)->tos; | |
3090 | ||
3091 | if (card->qdio.do_prio_queueing == | |
3092 | QETH_PRIO_Q_ING_TOS) { | |
3093 | if (tos & IP_TOS_NOTIMPORTANT) | |
3094 | return 3; | |
3095 | if (tos & IP_TOS_HIGHRELIABILITY) | |
3096 | return 2; | |
3097 | if (tos & IP_TOS_HIGHTHROUGHPUT) | |
3098 | return 1; | |
3099 | if (tos & IP_TOS_LOWDELAY) | |
3100 | return 0; | |
3101 | } | |
3102 | if (card->qdio.do_prio_queueing == | |
3103 | QETH_PRIO_Q_ING_PREC) | |
3104 | return 3 - (tos >> 6); | |
3105 | } else if (card->qdio.do_prio_queueing && (ipv == 6)) { | |
3106 | /* TODO: IPv6!!! */ | |
3107 | } | |
3108 | return card->qdio.default_out_queue; | |
3109 | case 1: /* fallthrough for single-out-queue 1920-device */ | |
3110 | default: | |
3111 | return card->qdio.default_out_queue; | |
3112 | } | |
3113 | } | |
3114 | EXPORT_SYMBOL_GPL(qeth_get_priority_queue); | |
3115 | ||
4a71df50 FB |
3116 | int qeth_get_elements_no(struct qeth_card *card, void *hdr, |
3117 | struct sk_buff *skb, int elems) | |
3118 | { | |
51aa165c FB |
3119 | int dlen = skb->len - skb->data_len; |
3120 | int elements_needed = PFN_UP((unsigned long)skb->data + dlen - 1) - | |
3121 | PFN_DOWN((unsigned long)skb->data); | |
4a71df50 | 3122 | |
51aa165c | 3123 | elements_needed += skb_shinfo(skb)->nr_frags; |
4a71df50 | 3124 | if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)) { |
14cc21b6 | 3125 | QETH_DBF_MESSAGE(2, "Invalid size of IP packet " |
4a71df50 FB |
3126 | "(Number=%d / Length=%d). Discarded.\n", |
3127 | (elements_needed+elems), skb->len); | |
3128 | return 0; | |
3129 | } | |
3130 | return elements_needed; | |
3131 | } | |
3132 | EXPORT_SYMBOL_GPL(qeth_get_elements_no); | |
3133 | ||
51aa165c FB |
3134 | int qeth_hdr_chk_and_bounce(struct sk_buff *skb, int len) |
3135 | { | |
3136 | int hroom, inpage, rest; | |
3137 | ||
3138 | if (((unsigned long)skb->data & PAGE_MASK) != | |
3139 | (((unsigned long)skb->data + len - 1) & PAGE_MASK)) { | |
3140 | hroom = skb_headroom(skb); | |
3141 | inpage = PAGE_SIZE - ((unsigned long) skb->data % PAGE_SIZE); | |
3142 | rest = len - inpage; | |
3143 | if (rest > hroom) | |
3144 | return 1; | |
3145 | memmove(skb->data - rest, skb->data, skb->len - skb->data_len); | |
3146 | skb->data -= rest; | |
3147 | QETH_DBF_MESSAGE(2, "skb bounce len: %d rest: %d\n", len, rest); | |
3148 | } | |
3149 | return 0; | |
3150 | } | |
3151 | EXPORT_SYMBOL_GPL(qeth_hdr_chk_and_bounce); | |
3152 | ||
f90b744e | 3153 | static inline void __qeth_fill_buffer(struct sk_buff *skb, |
683d718a FB |
3154 | struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill, |
3155 | int offset) | |
4a71df50 | 3156 | { |
51aa165c | 3157 | int length = skb->len - skb->data_len; |
4a71df50 FB |
3158 | int length_here; |
3159 | int element; | |
3160 | char *data; | |
51aa165c FB |
3161 | int first_lap, cnt; |
3162 | struct skb_frag_struct *frag; | |
4a71df50 FB |
3163 | |
3164 | element = *next_element_to_fill; | |
3165 | data = skb->data; | |
3166 | first_lap = (is_tso == 0 ? 1 : 0); | |
3167 | ||
683d718a FB |
3168 | if (offset >= 0) { |
3169 | data = skb->data + offset; | |
e1f03ae8 | 3170 | length -= offset; |
683d718a FB |
3171 | first_lap = 0; |
3172 | } | |
3173 | ||
4a71df50 FB |
3174 | while (length > 0) { |
3175 | /* length_here is the remaining amount of data in this page */ | |
3176 | length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE); | |
3177 | if (length < length_here) | |
3178 | length_here = length; | |
3179 | ||
3180 | buffer->element[element].addr = data; | |
3181 | buffer->element[element].length = length_here; | |
3182 | length -= length_here; | |
3183 | if (!length) { | |
3184 | if (first_lap) | |
51aa165c | 3185 | if (skb_shinfo(skb)->nr_frags) |
3ec90878 JG |
3186 | buffer->element[element].eflags = |
3187 | SBAL_EFLAGS_FIRST_FRAG; | |
51aa165c | 3188 | else |
3ec90878 | 3189 | buffer->element[element].eflags = 0; |
4a71df50 | 3190 | else |
3ec90878 JG |
3191 | buffer->element[element].eflags = |
3192 | SBAL_EFLAGS_MIDDLE_FRAG; | |
4a71df50 FB |
3193 | } else { |
3194 | if (first_lap) | |
3ec90878 JG |
3195 | buffer->element[element].eflags = |
3196 | SBAL_EFLAGS_FIRST_FRAG; | |
4a71df50 | 3197 | else |
3ec90878 JG |
3198 | buffer->element[element].eflags = |
3199 | SBAL_EFLAGS_MIDDLE_FRAG; | |
4a71df50 FB |
3200 | } |
3201 | data += length_here; | |
3202 | element++; | |
3203 | first_lap = 0; | |
3204 | } | |
51aa165c FB |
3205 | |
3206 | for (cnt = 0; cnt < skb_shinfo(skb)->nr_frags; cnt++) { | |
3207 | frag = &skb_shinfo(skb)->frags[cnt]; | |
3208 | buffer->element[element].addr = (char *)page_to_phys(frag->page) | |
3209 | + frag->page_offset; | |
3210 | buffer->element[element].length = frag->size; | |
3ec90878 | 3211 | buffer->element[element].eflags = SBAL_EFLAGS_MIDDLE_FRAG; |
51aa165c FB |
3212 | element++; |
3213 | } | |
3214 | ||
3ec90878 JG |
3215 | if (buffer->element[element - 1].eflags) |
3216 | buffer->element[element - 1].eflags = SBAL_EFLAGS_LAST_FRAG; | |
4a71df50 FB |
3217 | *next_element_to_fill = element; |
3218 | } | |
3219 | ||
f90b744e | 3220 | static inline int qeth_fill_buffer(struct qeth_qdio_out_q *queue, |
683d718a FB |
3221 | struct qeth_qdio_out_buffer *buf, struct sk_buff *skb, |
3222 | struct qeth_hdr *hdr, int offset, int hd_len) | |
4a71df50 FB |
3223 | { |
3224 | struct qdio_buffer *buffer; | |
4a71df50 FB |
3225 | int flush_cnt = 0, hdr_len, large_send = 0; |
3226 | ||
4a71df50 FB |
3227 | buffer = buf->buffer; |
3228 | atomic_inc(&skb->users); | |
3229 | skb_queue_tail(&buf->skb_list, skb); | |
3230 | ||
4a71df50 | 3231 | /*check first on TSO ....*/ |
683d718a | 3232 | if (hdr->hdr.l3.id == QETH_HEADER_TYPE_TSO) { |
4a71df50 FB |
3233 | int element = buf->next_element_to_fill; |
3234 | ||
683d718a FB |
3235 | hdr_len = sizeof(struct qeth_hdr_tso) + |
3236 | ((struct qeth_hdr_tso *)hdr)->ext.dg_hdr_len; | |
4a71df50 FB |
3237 | /*fill first buffer entry only with header information */ |
3238 | buffer->element[element].addr = skb->data; | |
3239 | buffer->element[element].length = hdr_len; | |
3ec90878 | 3240 | buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG; |
4a71df50 FB |
3241 | buf->next_element_to_fill++; |
3242 | skb->data += hdr_len; | |
3243 | skb->len -= hdr_len; | |
3244 | large_send = 1; | |
3245 | } | |
683d718a FB |
3246 | |
3247 | if (offset >= 0) { | |
3248 | int element = buf->next_element_to_fill; | |
3249 | buffer->element[element].addr = hdr; | |
3250 | buffer->element[element].length = sizeof(struct qeth_hdr) + | |
3251 | hd_len; | |
3ec90878 | 3252 | buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG; |
683d718a FB |
3253 | buf->is_header[element] = 1; |
3254 | buf->next_element_to_fill++; | |
3255 | } | |
3256 | ||
51aa165c FB |
3257 | __qeth_fill_buffer(skb, buffer, large_send, |
3258 | (int *)&buf->next_element_to_fill, offset); | |
4a71df50 FB |
3259 | |
3260 | if (!queue->do_pack) { | |
847a50fd | 3261 | QETH_CARD_TEXT(queue->card, 6, "fillbfnp"); |
4a71df50 FB |
3262 | /* set state to PRIMED -> will be flushed */ |
3263 | atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); | |
3264 | flush_cnt = 1; | |
3265 | } else { | |
847a50fd | 3266 | QETH_CARD_TEXT(queue->card, 6, "fillbfpa"); |
4a71df50 FB |
3267 | if (queue->card->options.performance_stats) |
3268 | queue->card->perf_stats.skbs_sent_pack++; | |
3269 | if (buf->next_element_to_fill >= | |
3270 | QETH_MAX_BUFFER_ELEMENTS(queue->card)) { | |
3271 | /* | |
3272 | * packed buffer if full -> set state PRIMED | |
3273 | * -> will be flushed | |
3274 | */ | |
3275 | atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); | |
3276 | flush_cnt = 1; | |
3277 | } | |
3278 | } | |
3279 | return flush_cnt; | |
3280 | } | |
3281 | ||
3282 | int qeth_do_send_packet_fast(struct qeth_card *card, | |
3283 | struct qeth_qdio_out_q *queue, struct sk_buff *skb, | |
3284 | struct qeth_hdr *hdr, int elements_needed, | |
64ef8957 | 3285 | int offset, int hd_len) |
4a71df50 FB |
3286 | { |
3287 | struct qeth_qdio_out_buffer *buffer; | |
4a71df50 FB |
3288 | int index; |
3289 | ||
4a71df50 FB |
3290 | /* spin until we get the queue ... */ |
3291 | while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, | |
3292 | QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); | |
3293 | /* ... now we've got the queue */ | |
3294 | index = queue->next_buf_to_fill; | |
3295 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
3296 | /* | |
3297 | * check if buffer is empty to make sure that we do not 'overtake' | |
3298 | * ourselves and try to fill a buffer that is already primed | |
3299 | */ | |
3300 | if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) | |
3301 | goto out; | |
64ef8957 | 3302 | queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % |
4a71df50 | 3303 | QDIO_MAX_BUFFERS_PER_Q; |
4a71df50 | 3304 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); |
64ef8957 FB |
3305 | qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len); |
3306 | qeth_flush_buffers(queue, index, 1); | |
4a71df50 FB |
3307 | return 0; |
3308 | out: | |
3309 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
3310 | return -EBUSY; | |
3311 | } | |
3312 | EXPORT_SYMBOL_GPL(qeth_do_send_packet_fast); | |
3313 | ||
3314 | int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, | |
3315 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
64ef8957 | 3316 | int elements_needed) |
4a71df50 FB |
3317 | { |
3318 | struct qeth_qdio_out_buffer *buffer; | |
3319 | int start_index; | |
3320 | int flush_count = 0; | |
3321 | int do_pack = 0; | |
3322 | int tmp; | |
3323 | int rc = 0; | |
3324 | ||
4a71df50 FB |
3325 | /* spin until we get the queue ... */ |
3326 | while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, | |
3327 | QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); | |
3328 | start_index = queue->next_buf_to_fill; | |
3329 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
3330 | /* | |
3331 | * check if buffer is empty to make sure that we do not 'overtake' | |
3332 | * ourselves and try to fill a buffer that is already primed | |
3333 | */ | |
3334 | if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) { | |
3335 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
3336 | return -EBUSY; | |
3337 | } | |
3338 | /* check if we need to switch packing state of this queue */ | |
3339 | qeth_switch_to_packing_if_needed(queue); | |
3340 | if (queue->do_pack) { | |
3341 | do_pack = 1; | |
64ef8957 FB |
3342 | /* does packet fit in current buffer? */ |
3343 | if ((QETH_MAX_BUFFER_ELEMENTS(card) - | |
3344 | buffer->next_element_to_fill) < elements_needed) { | |
3345 | /* ... no -> set state PRIMED */ | |
3346 | atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); | |
3347 | flush_count++; | |
3348 | queue->next_buf_to_fill = | |
3349 | (queue->next_buf_to_fill + 1) % | |
3350 | QDIO_MAX_BUFFERS_PER_Q; | |
3351 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
3352 | /* we did a step forward, so check buffer state | |
3353 | * again */ | |
3354 | if (atomic_read(&buffer->state) != | |
3355 | QETH_QDIO_BUF_EMPTY) { | |
3356 | qeth_flush_buffers(queue, start_index, | |
779e6e1c | 3357 | flush_count); |
64ef8957 | 3358 | atomic_set(&queue->state, |
4a71df50 | 3359 | QETH_OUT_Q_UNLOCKED); |
64ef8957 | 3360 | return -EBUSY; |
4a71df50 FB |
3361 | } |
3362 | } | |
3363 | } | |
64ef8957 | 3364 | tmp = qeth_fill_buffer(queue, buffer, skb, hdr, -1, 0); |
4a71df50 FB |
3365 | queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) % |
3366 | QDIO_MAX_BUFFERS_PER_Q; | |
3367 | flush_count += tmp; | |
4a71df50 | 3368 | if (flush_count) |
779e6e1c | 3369 | qeth_flush_buffers(queue, start_index, flush_count); |
4a71df50 FB |
3370 | else if (!atomic_read(&queue->set_pci_flags_count)) |
3371 | atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH); | |
3372 | /* | |
3373 | * queue->state will go from LOCKED -> UNLOCKED or from | |
3374 | * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us | |
3375 | * (switch packing state or flush buffer to get another pci flag out). | |
3376 | * In that case we will enter this loop | |
3377 | */ | |
3378 | while (atomic_dec_return(&queue->state)) { | |
3379 | flush_count = 0; | |
3380 | start_index = queue->next_buf_to_fill; | |
3381 | /* check if we can go back to non-packing state */ | |
3382 | flush_count += qeth_switch_to_nonpacking_if_needed(queue); | |
3383 | /* | |
3384 | * check if we need to flush a packing buffer to get a pci | |
3385 | * flag out on the queue | |
3386 | */ | |
3387 | if (!flush_count && !atomic_read(&queue->set_pci_flags_count)) | |
3388 | flush_count += qeth_flush_buffers_on_no_pci(queue); | |
3389 | if (flush_count) | |
779e6e1c | 3390 | qeth_flush_buffers(queue, start_index, flush_count); |
4a71df50 FB |
3391 | } |
3392 | /* at this point the queue is UNLOCKED again */ | |
3393 | if (queue->card->options.performance_stats && do_pack) | |
3394 | queue->card->perf_stats.bufs_sent_pack += flush_count; | |
3395 | ||
3396 | return rc; | |
3397 | } | |
3398 | EXPORT_SYMBOL_GPL(qeth_do_send_packet); | |
3399 | ||
3400 | static int qeth_setadp_promisc_mode_cb(struct qeth_card *card, | |
3401 | struct qeth_reply *reply, unsigned long data) | |
3402 | { | |
3403 | struct qeth_ipa_cmd *cmd; | |
3404 | struct qeth_ipacmd_setadpparms *setparms; | |
3405 | ||
847a50fd | 3406 | QETH_CARD_TEXT(card, 4, "prmadpcb"); |
4a71df50 FB |
3407 | |
3408 | cmd = (struct qeth_ipa_cmd *) data; | |
3409 | setparms = &(cmd->data.setadapterparms); | |
3410 | ||
3411 | qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); | |
3412 | if (cmd->hdr.return_code) { | |
847a50fd | 3413 | QETH_CARD_TEXT_(card, 4, "prmrc%2.2x", cmd->hdr.return_code); |
4a71df50 FB |
3414 | setparms->data.mode = SET_PROMISC_MODE_OFF; |
3415 | } | |
3416 | card->info.promisc_mode = setparms->data.mode; | |
3417 | return 0; | |
3418 | } | |
3419 | ||
3420 | void qeth_setadp_promisc_mode(struct qeth_card *card) | |
3421 | { | |
3422 | enum qeth_ipa_promisc_modes mode; | |
3423 | struct net_device *dev = card->dev; | |
3424 | struct qeth_cmd_buffer *iob; | |
3425 | struct qeth_ipa_cmd *cmd; | |
3426 | ||
847a50fd | 3427 | QETH_CARD_TEXT(card, 4, "setprom"); |
4a71df50 FB |
3428 | |
3429 | if (((dev->flags & IFF_PROMISC) && | |
3430 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
3431 | (!(dev->flags & IFF_PROMISC) && | |
3432 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
3433 | return; | |
3434 | mode = SET_PROMISC_MODE_OFF; | |
3435 | if (dev->flags & IFF_PROMISC) | |
3436 | mode = SET_PROMISC_MODE_ON; | |
847a50fd | 3437 | QETH_CARD_TEXT_(card, 4, "mode:%x", mode); |
4a71df50 FB |
3438 | |
3439 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE, | |
3440 | sizeof(struct qeth_ipacmd_setadpparms)); | |
3441 | cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE); | |
3442 | cmd->data.setadapterparms.data.mode = mode; | |
3443 | qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL); | |
3444 | } | |
3445 | EXPORT_SYMBOL_GPL(qeth_setadp_promisc_mode); | |
3446 | ||
3447 | int qeth_change_mtu(struct net_device *dev, int new_mtu) | |
3448 | { | |
3449 | struct qeth_card *card; | |
3450 | char dbf_text[15]; | |
3451 | ||
509e2562 | 3452 | card = dev->ml_priv; |
4a71df50 | 3453 | |
847a50fd | 3454 | QETH_CARD_TEXT(card, 4, "chgmtu"); |
4a71df50 | 3455 | sprintf(dbf_text, "%8x", new_mtu); |
847a50fd | 3456 | QETH_CARD_TEXT(card, 4, dbf_text); |
4a71df50 FB |
3457 | |
3458 | if (new_mtu < 64) | |
3459 | return -EINVAL; | |
3460 | if (new_mtu > 65535) | |
3461 | return -EINVAL; | |
3462 | if ((!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) && | |
3463 | (!qeth_mtu_is_valid(card, new_mtu))) | |
3464 | return -EINVAL; | |
3465 | dev->mtu = new_mtu; | |
3466 | return 0; | |
3467 | } | |
3468 | EXPORT_SYMBOL_GPL(qeth_change_mtu); | |
3469 | ||
3470 | struct net_device_stats *qeth_get_stats(struct net_device *dev) | |
3471 | { | |
3472 | struct qeth_card *card; | |
3473 | ||
509e2562 | 3474 | card = dev->ml_priv; |
4a71df50 | 3475 | |
847a50fd | 3476 | QETH_CARD_TEXT(card, 5, "getstat"); |
4a71df50 FB |
3477 | |
3478 | return &card->stats; | |
3479 | } | |
3480 | EXPORT_SYMBOL_GPL(qeth_get_stats); | |
3481 | ||
3482 | static int qeth_setadpparms_change_macaddr_cb(struct qeth_card *card, | |
3483 | struct qeth_reply *reply, unsigned long data) | |
3484 | { | |
3485 | struct qeth_ipa_cmd *cmd; | |
3486 | ||
847a50fd | 3487 | QETH_CARD_TEXT(card, 4, "chgmaccb"); |
4a71df50 FB |
3488 | |
3489 | cmd = (struct qeth_ipa_cmd *) data; | |
3490 | if (!card->options.layer2 || | |
3491 | !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) { | |
3492 | memcpy(card->dev->dev_addr, | |
3493 | &cmd->data.setadapterparms.data.change_addr.addr, | |
3494 | OSA_ADDR_LEN); | |
3495 | card->info.mac_bits |= QETH_LAYER2_MAC_READ; | |
3496 | } | |
3497 | qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); | |
3498 | return 0; | |
3499 | } | |
3500 | ||
3501 | int qeth_setadpparms_change_macaddr(struct qeth_card *card) | |
3502 | { | |
3503 | int rc; | |
3504 | struct qeth_cmd_buffer *iob; | |
3505 | struct qeth_ipa_cmd *cmd; | |
3506 | ||
847a50fd | 3507 | QETH_CARD_TEXT(card, 4, "chgmac"); |
4a71df50 FB |
3508 | |
3509 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_ALTER_MAC_ADDRESS, | |
3510 | sizeof(struct qeth_ipacmd_setadpparms)); | |
3511 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
3512 | cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC; | |
3513 | cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN; | |
3514 | memcpy(&cmd->data.setadapterparms.data.change_addr.addr, | |
3515 | card->dev->dev_addr, OSA_ADDR_LEN); | |
3516 | rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb, | |
3517 | NULL); | |
3518 | return rc; | |
3519 | } | |
3520 | EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr); | |
3521 | ||
d64ecc22 EL |
3522 | static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card, |
3523 | struct qeth_reply *reply, unsigned long data) | |
3524 | { | |
3525 | struct qeth_ipa_cmd *cmd; | |
3526 | struct qeth_set_access_ctrl *access_ctrl_req; | |
d64ecc22 | 3527 | |
847a50fd | 3528 | QETH_CARD_TEXT(card, 4, "setaccb"); |
d64ecc22 EL |
3529 | |
3530 | cmd = (struct qeth_ipa_cmd *) data; | |
3531 | access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl; | |
3532 | QETH_DBF_TEXT_(SETUP, 2, "setaccb"); | |
3533 | QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name); | |
3534 | QETH_DBF_TEXT_(SETUP, 2, "rc=%d", | |
3535 | cmd->data.setadapterparms.hdr.return_code); | |
3536 | switch (cmd->data.setadapterparms.hdr.return_code) { | |
3537 | case SET_ACCESS_CTRL_RC_SUCCESS: | |
3538 | case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED: | |
3539 | case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED: | |
3540 | { | |
3541 | card->options.isolation = access_ctrl_req->subcmd_code; | |
3542 | if (card->options.isolation == ISOLATION_MODE_NONE) { | |
3543 | dev_info(&card->gdev->dev, | |
3544 | "QDIO data connection isolation is deactivated\n"); | |
3545 | } else { | |
3546 | dev_info(&card->gdev->dev, | |
3547 | "QDIO data connection isolation is activated\n"); | |
3548 | } | |
3549 | QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n", | |
3550 | card->gdev->dev.kobj.name, | |
3551 | access_ctrl_req->subcmd_code, | |
3552 | cmd->data.setadapterparms.hdr.return_code); | |
d64ecc22 EL |
3553 | break; |
3554 | } | |
3555 | case SET_ACCESS_CTRL_RC_NOT_SUPPORTED: | |
3556 | { | |
3557 | QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n", | |
3558 | card->gdev->dev.kobj.name, | |
3559 | access_ctrl_req->subcmd_code, | |
3560 | cmd->data.setadapterparms.hdr.return_code); | |
3561 | dev_err(&card->gdev->dev, "Adapter does not " | |
3562 | "support QDIO data connection isolation\n"); | |
3563 | ||
3564 | /* ensure isolation mode is "none" */ | |
3565 | card->options.isolation = ISOLATION_MODE_NONE; | |
d64ecc22 EL |
3566 | break; |
3567 | } | |
3568 | case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER: | |
3569 | { | |
3570 | QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n", | |
3571 | card->gdev->dev.kobj.name, | |
3572 | access_ctrl_req->subcmd_code, | |
3573 | cmd->data.setadapterparms.hdr.return_code); | |
3574 | dev_err(&card->gdev->dev, | |
3575 | "Adapter is dedicated. " | |
3576 | "QDIO data connection isolation not supported\n"); | |
3577 | ||
3578 | /* ensure isolation mode is "none" */ | |
3579 | card->options.isolation = ISOLATION_MODE_NONE; | |
d64ecc22 EL |
3580 | break; |
3581 | } | |
3582 | case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF: | |
3583 | { | |
3584 | QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n", | |
3585 | card->gdev->dev.kobj.name, | |
3586 | access_ctrl_req->subcmd_code, | |
3587 | cmd->data.setadapterparms.hdr.return_code); | |
3588 | dev_err(&card->gdev->dev, | |
3589 | "TSO does not permit QDIO data connection isolation\n"); | |
3590 | ||
3591 | /* ensure isolation mode is "none" */ | |
3592 | card->options.isolation = ISOLATION_MODE_NONE; | |
d64ecc22 EL |
3593 | break; |
3594 | } | |
3595 | default: | |
3596 | { | |
3597 | /* this should never happen */ | |
3598 | QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d" | |
3599 | "==UNKNOWN\n", | |
3600 | card->gdev->dev.kobj.name, | |
3601 | access_ctrl_req->subcmd_code, | |
3602 | cmd->data.setadapterparms.hdr.return_code); | |
3603 | ||
3604 | /* ensure isolation mode is "none" */ | |
3605 | card->options.isolation = ISOLATION_MODE_NONE; | |
d64ecc22 EL |
3606 | break; |
3607 | } | |
3608 | } | |
3609 | qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); | |
bbb822a8 | 3610 | return 0; |
d64ecc22 EL |
3611 | } |
3612 | ||
3613 | static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card, | |
3614 | enum qeth_ipa_isolation_modes isolation) | |
3615 | { | |
3616 | int rc; | |
3617 | struct qeth_cmd_buffer *iob; | |
3618 | struct qeth_ipa_cmd *cmd; | |
3619 | struct qeth_set_access_ctrl *access_ctrl_req; | |
3620 | ||
847a50fd | 3621 | QETH_CARD_TEXT(card, 4, "setacctl"); |
d64ecc22 EL |
3622 | |
3623 | QETH_DBF_TEXT_(SETUP, 2, "setacctl"); | |
3624 | QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name); | |
3625 | ||
3626 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_ACCESS_CONTROL, | |
3627 | sizeof(struct qeth_ipacmd_setadpparms_hdr) + | |
3628 | sizeof(struct qeth_set_access_ctrl)); | |
3629 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
3630 | access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl; | |
3631 | access_ctrl_req->subcmd_code = isolation; | |
3632 | ||
3633 | rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb, | |
3634 | NULL); | |
3635 | QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc); | |
3636 | return rc; | |
3637 | } | |
3638 | ||
3639 | int qeth_set_access_ctrl_online(struct qeth_card *card) | |
3640 | { | |
3641 | int rc = 0; | |
3642 | ||
847a50fd | 3643 | QETH_CARD_TEXT(card, 4, "setactlo"); |
d64ecc22 | 3644 | |
5113fec0 UB |
3645 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
3646 | card->info.type == QETH_CARD_TYPE_OSX) && | |
3647 | qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) { | |
d64ecc22 EL |
3648 | rc = qeth_setadpparms_set_access_ctrl(card, |
3649 | card->options.isolation); | |
3650 | if (rc) { | |
3651 | QETH_DBF_MESSAGE(3, | |
5113fec0 | 3652 | "IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n", |
d64ecc22 EL |
3653 | card->gdev->dev.kobj.name, |
3654 | rc); | |
3655 | } | |
3656 | } else if (card->options.isolation != ISOLATION_MODE_NONE) { | |
3657 | card->options.isolation = ISOLATION_MODE_NONE; | |
3658 | ||
3659 | dev_err(&card->gdev->dev, "Adapter does not " | |
3660 | "support QDIO data connection isolation\n"); | |
3661 | rc = -EOPNOTSUPP; | |
3662 | } | |
3663 | return rc; | |
3664 | } | |
3665 | EXPORT_SYMBOL_GPL(qeth_set_access_ctrl_online); | |
3666 | ||
4a71df50 FB |
3667 | void qeth_tx_timeout(struct net_device *dev) |
3668 | { | |
3669 | struct qeth_card *card; | |
3670 | ||
509e2562 | 3671 | card = dev->ml_priv; |
847a50fd | 3672 | QETH_CARD_TEXT(card, 4, "txtimeo"); |
4a71df50 FB |
3673 | card->stats.tx_errors++; |
3674 | qeth_schedule_recovery(card); | |
3675 | } | |
3676 | EXPORT_SYMBOL_GPL(qeth_tx_timeout); | |
3677 | ||
3678 | int qeth_mdio_read(struct net_device *dev, int phy_id, int regnum) | |
3679 | { | |
509e2562 | 3680 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
3681 | int rc = 0; |
3682 | ||
3683 | switch (regnum) { | |
3684 | case MII_BMCR: /* Basic mode control register */ | |
3685 | rc = BMCR_FULLDPLX; | |
3686 | if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH) && | |
3687 | (card->info.link_type != QETH_LINK_TYPE_OSN) && | |
3688 | (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH)) | |
3689 | rc |= BMCR_SPEED100; | |
3690 | break; | |
3691 | case MII_BMSR: /* Basic mode status register */ | |
3692 | rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS | | |
3693 | BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL | | |
3694 | BMSR_100BASE4; | |
3695 | break; | |
3696 | case MII_PHYSID1: /* PHYS ID 1 */ | |
3697 | rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) | | |
3698 | dev->dev_addr[2]; | |
3699 | rc = (rc >> 5) & 0xFFFF; | |
3700 | break; | |
3701 | case MII_PHYSID2: /* PHYS ID 2 */ | |
3702 | rc = (dev->dev_addr[2] << 10) & 0xFFFF; | |
3703 | break; | |
3704 | case MII_ADVERTISE: /* Advertisement control reg */ | |
3705 | rc = ADVERTISE_ALL; | |
3706 | break; | |
3707 | case MII_LPA: /* Link partner ability reg */ | |
3708 | rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL | | |
3709 | LPA_100BASE4 | LPA_LPACK; | |
3710 | break; | |
3711 | case MII_EXPANSION: /* Expansion register */ | |
3712 | break; | |
3713 | case MII_DCOUNTER: /* disconnect counter */ | |
3714 | break; | |
3715 | case MII_FCSCOUNTER: /* false carrier counter */ | |
3716 | break; | |
3717 | case MII_NWAYTEST: /* N-way auto-neg test register */ | |
3718 | break; | |
3719 | case MII_RERRCOUNTER: /* rx error counter */ | |
3720 | rc = card->stats.rx_errors; | |
3721 | break; | |
3722 | case MII_SREVISION: /* silicon revision */ | |
3723 | break; | |
3724 | case MII_RESV1: /* reserved 1 */ | |
3725 | break; | |
3726 | case MII_LBRERROR: /* loopback, rx, bypass error */ | |
3727 | break; | |
3728 | case MII_PHYADDR: /* physical address */ | |
3729 | break; | |
3730 | case MII_RESV2: /* reserved 2 */ | |
3731 | break; | |
3732 | case MII_TPISTATUS: /* TPI status for 10mbps */ | |
3733 | break; | |
3734 | case MII_NCONFIG: /* network interface config */ | |
3735 | break; | |
3736 | default: | |
3737 | break; | |
3738 | } | |
3739 | return rc; | |
3740 | } | |
3741 | EXPORT_SYMBOL_GPL(qeth_mdio_read); | |
3742 | ||
3743 | static int qeth_send_ipa_snmp_cmd(struct qeth_card *card, | |
3744 | struct qeth_cmd_buffer *iob, int len, | |
3745 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
3746 | unsigned long), | |
3747 | void *reply_param) | |
3748 | { | |
3749 | u16 s1, s2; | |
3750 | ||
847a50fd | 3751 | QETH_CARD_TEXT(card, 4, "sendsnmp"); |
4a71df50 FB |
3752 | |
3753 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
3754 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
3755 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
3756 | /* adjust PDU length fields in IPA_PDU_HEADER */ | |
3757 | s1 = (u32) IPA_PDU_HEADER_SIZE + len; | |
3758 | s2 = (u32) len; | |
3759 | memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); | |
3760 | memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); | |
3761 | memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); | |
3762 | memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); | |
3763 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
3764 | reply_cb, reply_param); | |
3765 | } | |
3766 | ||
3767 | static int qeth_snmp_command_cb(struct qeth_card *card, | |
3768 | struct qeth_reply *reply, unsigned long sdata) | |
3769 | { | |
3770 | struct qeth_ipa_cmd *cmd; | |
3771 | struct qeth_arp_query_info *qinfo; | |
3772 | struct qeth_snmp_cmd *snmp; | |
3773 | unsigned char *data; | |
3774 | __u16 data_len; | |
3775 | ||
847a50fd | 3776 | QETH_CARD_TEXT(card, 3, "snpcmdcb"); |
4a71df50 FB |
3777 | |
3778 | cmd = (struct qeth_ipa_cmd *) sdata; | |
3779 | data = (unsigned char *)((char *)cmd - reply->offset); | |
3780 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
3781 | snmp = &cmd->data.setadapterparms.data.snmp; | |
3782 | ||
3783 | if (cmd->hdr.return_code) { | |
847a50fd | 3784 | QETH_CARD_TEXT_(card, 4, "scer1%i", cmd->hdr.return_code); |
4a71df50 FB |
3785 | return 0; |
3786 | } | |
3787 | if (cmd->data.setadapterparms.hdr.return_code) { | |
3788 | cmd->hdr.return_code = | |
3789 | cmd->data.setadapterparms.hdr.return_code; | |
847a50fd | 3790 | QETH_CARD_TEXT_(card, 4, "scer2%i", cmd->hdr.return_code); |
4a71df50 FB |
3791 | return 0; |
3792 | } | |
3793 | data_len = *((__u16 *)QETH_IPA_PDU_LEN_PDU1(data)); | |
3794 | if (cmd->data.setadapterparms.hdr.seq_no == 1) | |
3795 | data_len -= (__u16)((char *)&snmp->data - (char *)cmd); | |
3796 | else | |
3797 | data_len -= (__u16)((char *)&snmp->request - (char *)cmd); | |
3798 | ||
3799 | /* check if there is enough room in userspace */ | |
3800 | if ((qinfo->udata_len - qinfo->udata_offset) < data_len) { | |
847a50fd | 3801 | QETH_CARD_TEXT_(card, 4, "scer3%i", -ENOMEM); |
4a71df50 FB |
3802 | cmd->hdr.return_code = -ENOMEM; |
3803 | return 0; | |
3804 | } | |
847a50fd | 3805 | QETH_CARD_TEXT_(card, 4, "snore%i", |
4a71df50 | 3806 | cmd->data.setadapterparms.hdr.used_total); |
847a50fd | 3807 | QETH_CARD_TEXT_(card, 4, "sseqn%i", |
4a71df50 FB |
3808 | cmd->data.setadapterparms.hdr.seq_no); |
3809 | /*copy entries to user buffer*/ | |
3810 | if (cmd->data.setadapterparms.hdr.seq_no == 1) { | |
3811 | memcpy(qinfo->udata + qinfo->udata_offset, | |
3812 | (char *)snmp, | |
3813 | data_len + offsetof(struct qeth_snmp_cmd, data)); | |
3814 | qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data); | |
3815 | } else { | |
3816 | memcpy(qinfo->udata + qinfo->udata_offset, | |
3817 | (char *)&snmp->request, data_len); | |
3818 | } | |
3819 | qinfo->udata_offset += data_len; | |
3820 | /* check if all replies received ... */ | |
847a50fd | 3821 | QETH_CARD_TEXT_(card, 4, "srtot%i", |
4a71df50 | 3822 | cmd->data.setadapterparms.hdr.used_total); |
847a50fd | 3823 | QETH_CARD_TEXT_(card, 4, "srseq%i", |
4a71df50 FB |
3824 | cmd->data.setadapterparms.hdr.seq_no); |
3825 | if (cmd->data.setadapterparms.hdr.seq_no < | |
3826 | cmd->data.setadapterparms.hdr.used_total) | |
3827 | return 1; | |
3828 | return 0; | |
3829 | } | |
3830 | ||
3831 | int qeth_snmp_command(struct qeth_card *card, char __user *udata) | |
3832 | { | |
3833 | struct qeth_cmd_buffer *iob; | |
3834 | struct qeth_ipa_cmd *cmd; | |
3835 | struct qeth_snmp_ureq *ureq; | |
3836 | int req_len; | |
3837 | struct qeth_arp_query_info qinfo = {0, }; | |
3838 | int rc = 0; | |
3839 | ||
847a50fd | 3840 | QETH_CARD_TEXT(card, 3, "snmpcmd"); |
4a71df50 FB |
3841 | |
3842 | if (card->info.guestlan) | |
3843 | return -EOPNOTSUPP; | |
3844 | ||
3845 | if ((!qeth_adp_supported(card, IPA_SETADP_SET_SNMP_CONTROL)) && | |
3846 | (!card->options.layer2)) { | |
4a71df50 FB |
3847 | return -EOPNOTSUPP; |
3848 | } | |
3849 | /* skip 4 bytes (data_len struct member) to get req_len */ | |
3850 | if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int))) | |
3851 | return -EFAULT; | |
4986f3f0 JL |
3852 | ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr)); |
3853 | if (IS_ERR(ureq)) { | |
847a50fd | 3854 | QETH_CARD_TEXT(card, 2, "snmpnome"); |
4986f3f0 | 3855 | return PTR_ERR(ureq); |
4a71df50 FB |
3856 | } |
3857 | qinfo.udata_len = ureq->hdr.data_len; | |
3858 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); | |
3859 | if (!qinfo.udata) { | |
3860 | kfree(ureq); | |
3861 | return -ENOMEM; | |
3862 | } | |
3863 | qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr); | |
3864 | ||
3865 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL, | |
3866 | QETH_SNMP_SETADP_CMDLENGTH + req_len); | |
3867 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
3868 | memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len); | |
3869 | rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len, | |
3870 | qeth_snmp_command_cb, (void *)&qinfo); | |
3871 | if (rc) | |
14cc21b6 | 3872 | QETH_DBF_MESSAGE(2, "SNMP command failed on %s: (0x%x)\n", |
4a71df50 FB |
3873 | QETH_CARD_IFNAME(card), rc); |
3874 | else { | |
3875 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) | |
3876 | rc = -EFAULT; | |
3877 | } | |
3878 | ||
3879 | kfree(ureq); | |
3880 | kfree(qinfo.udata); | |
3881 | return rc; | |
3882 | } | |
3883 | EXPORT_SYMBOL_GPL(qeth_snmp_command); | |
3884 | ||
3885 | static inline int qeth_get_qdio_q_format(struct qeth_card *card) | |
3886 | { | |
3887 | switch (card->info.type) { | |
3888 | case QETH_CARD_TYPE_IQD: | |
3889 | return 2; | |
3890 | default: | |
3891 | return 0; | |
3892 | } | |
3893 | } | |
3894 | ||
d0ff1f52 UB |
3895 | static void qeth_determine_capabilities(struct qeth_card *card) |
3896 | { | |
3897 | int rc; | |
3898 | int length; | |
3899 | char *prcd; | |
3900 | struct ccw_device *ddev; | |
3901 | int ddev_offline = 0; | |
3902 | ||
3903 | QETH_DBF_TEXT(SETUP, 2, "detcapab"); | |
3904 | ddev = CARD_DDEV(card); | |
3905 | if (!ddev->online) { | |
3906 | ddev_offline = 1; | |
3907 | rc = ccw_device_set_online(ddev); | |
3908 | if (rc) { | |
3909 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); | |
3910 | goto out; | |
3911 | } | |
3912 | } | |
3913 | ||
3914 | rc = qeth_read_conf_data(card, (void **) &prcd, &length); | |
3915 | if (rc) { | |
3916 | QETH_DBF_MESSAGE(2, "%s qeth_read_conf_data returned %i\n", | |
3917 | dev_name(&card->gdev->dev), rc); | |
3918 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); | |
3919 | goto out_offline; | |
3920 | } | |
3921 | qeth_configure_unitaddr(card, prcd); | |
3922 | qeth_configure_blkt_default(card, prcd); | |
3923 | kfree(prcd); | |
3924 | ||
3925 | rc = qdio_get_ssqd_desc(ddev, &card->ssqd); | |
3926 | if (rc) | |
3927 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); | |
3928 | ||
3929 | out_offline: | |
3930 | if (ddev_offline == 1) | |
3931 | ccw_device_set_offline(ddev); | |
3932 | out: | |
3933 | return; | |
3934 | } | |
3935 | ||
4a71df50 FB |
3936 | static int qeth_qdio_establish(struct qeth_card *card) |
3937 | { | |
3938 | struct qdio_initialize init_data; | |
3939 | char *qib_param_field; | |
3940 | struct qdio_buffer **in_sbal_ptrs; | |
3941 | struct qdio_buffer **out_sbal_ptrs; | |
3942 | int i, j, k; | |
3943 | int rc = 0; | |
3944 | ||
d11ba0c4 | 3945 | QETH_DBF_TEXT(SETUP, 2, "qdioest"); |
4a71df50 FB |
3946 | |
3947 | qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char), | |
3948 | GFP_KERNEL); | |
3949 | if (!qib_param_field) | |
3950 | return -ENOMEM; | |
3951 | ||
3952 | qeth_create_qib_param_field(card, qib_param_field); | |
3953 | qeth_create_qib_param_field_blkt(card, qib_param_field); | |
3954 | ||
3955 | in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *), | |
3956 | GFP_KERNEL); | |
3957 | if (!in_sbal_ptrs) { | |
3958 | kfree(qib_param_field); | |
3959 | return -ENOMEM; | |
3960 | } | |
3961 | for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) | |
3962 | in_sbal_ptrs[i] = (struct qdio_buffer *) | |
3963 | virt_to_phys(card->qdio.in_q->bufs[i].buffer); | |
3964 | ||
3965 | out_sbal_ptrs = | |
3966 | kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q * | |
3967 | sizeof(void *), GFP_KERNEL); | |
3968 | if (!out_sbal_ptrs) { | |
3969 | kfree(in_sbal_ptrs); | |
3970 | kfree(qib_param_field); | |
3971 | return -ENOMEM; | |
3972 | } | |
3973 | for (i = 0, k = 0; i < card->qdio.no_out_queues; ++i) | |
3974 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k) { | |
3975 | out_sbal_ptrs[k] = (struct qdio_buffer *)virt_to_phys( | |
3976 | card->qdio.out_qs[i]->bufs[j].buffer); | |
3977 | } | |
3978 | ||
3979 | memset(&init_data, 0, sizeof(struct qdio_initialize)); | |
3980 | init_data.cdev = CARD_DDEV(card); | |
3981 | init_data.q_format = qeth_get_qdio_q_format(card); | |
3982 | init_data.qib_param_field_format = 0; | |
3983 | init_data.qib_param_field = qib_param_field; | |
4a71df50 FB |
3984 | init_data.no_input_qs = 1; |
3985 | init_data.no_output_qs = card->qdio.no_out_queues; | |
3986 | init_data.input_handler = card->discipline.input_handler; | |
3987 | init_data.output_handler = card->discipline.output_handler; | |
a1c3ed4c | 3988 | init_data.queue_start_poll = card->discipline.start_poll; |
4a71df50 | 3989 | init_data.int_parm = (unsigned long) card; |
4a71df50 FB |
3990 | init_data.input_sbal_addr_array = (void **) in_sbal_ptrs; |
3991 | init_data.output_sbal_addr_array = (void **) out_sbal_ptrs; | |
3d6c76ff JG |
3992 | init_data.scan_threshold = |
3993 | (card->info.type == QETH_CARD_TYPE_IQD) ? 8 : 32; | |
4a71df50 FB |
3994 | |
3995 | if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED, | |
3996 | QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) { | |
cc961d40 JG |
3997 | rc = qdio_allocate(&init_data); |
3998 | if (rc) { | |
3999 | atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); | |
4000 | goto out; | |
4001 | } | |
4002 | rc = qdio_establish(&init_data); | |
4003 | if (rc) { | |
4a71df50 | 4004 | atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); |
cc961d40 JG |
4005 | qdio_free(CARD_DDEV(card)); |
4006 | } | |
4a71df50 | 4007 | } |
cc961d40 | 4008 | out: |
4a71df50 FB |
4009 | kfree(out_sbal_ptrs); |
4010 | kfree(in_sbal_ptrs); | |
4011 | kfree(qib_param_field); | |
4012 | return rc; | |
4013 | } | |
4014 | ||
4015 | static void qeth_core_free_card(struct qeth_card *card) | |
4016 | { | |
4017 | ||
d11ba0c4 PT |
4018 | QETH_DBF_TEXT(SETUP, 2, "freecrd"); |
4019 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
4020 | qeth_clean_channel(&card->read); |
4021 | qeth_clean_channel(&card->write); | |
4022 | if (card->dev) | |
4023 | free_netdev(card->dev); | |
4024 | kfree(card->ip_tbd_list); | |
4025 | qeth_free_qdio_buffers(card); | |
6bcac508 | 4026 | unregister_service_level(&card->qeth_service_level); |
4a71df50 FB |
4027 | kfree(card); |
4028 | } | |
4029 | ||
4030 | static struct ccw_device_id qeth_ids[] = { | |
5113fec0 UB |
4031 | {CCW_DEVICE_DEVTYPE(0x1731, 0x01, 0x1732, 0x01), |
4032 | .driver_info = QETH_CARD_TYPE_OSD}, | |
4033 | {CCW_DEVICE_DEVTYPE(0x1731, 0x05, 0x1732, 0x05), | |
4034 | .driver_info = QETH_CARD_TYPE_IQD}, | |
4035 | {CCW_DEVICE_DEVTYPE(0x1731, 0x06, 0x1732, 0x06), | |
4036 | .driver_info = QETH_CARD_TYPE_OSN}, | |
4037 | {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x03), | |
4038 | .driver_info = QETH_CARD_TYPE_OSM}, | |
4039 | {CCW_DEVICE_DEVTYPE(0x1731, 0x02, 0x1732, 0x02), | |
4040 | .driver_info = QETH_CARD_TYPE_OSX}, | |
4a71df50 FB |
4041 | {}, |
4042 | }; | |
4043 | MODULE_DEVICE_TABLE(ccw, qeth_ids); | |
4044 | ||
4045 | static struct ccw_driver qeth_ccw_driver = { | |
3bda058b | 4046 | .driver = { |
3e70b3b8 | 4047 | .owner = THIS_MODULE, |
3bda058b SO |
4048 | .name = "qeth", |
4049 | }, | |
4a71df50 FB |
4050 | .ids = qeth_ids, |
4051 | .probe = ccwgroup_probe_ccwdev, | |
4052 | .remove = ccwgroup_remove_ccwdev, | |
4053 | }; | |
4054 | ||
4055 | static int qeth_core_driver_group(const char *buf, struct device *root_dev, | |
4056 | unsigned long driver_id) | |
4057 | { | |
022b660a UB |
4058 | return ccwgroup_create_from_string(root_dev, driver_id, |
4059 | &qeth_ccw_driver, 3, buf); | |
4a71df50 FB |
4060 | } |
4061 | ||
4062 | int qeth_core_hardsetup_card(struct qeth_card *card) | |
4063 | { | |
aa909224 | 4064 | int retries = 0; |
4a71df50 FB |
4065 | int rc; |
4066 | ||
d11ba0c4 | 4067 | QETH_DBF_TEXT(SETUP, 2, "hrdsetup"); |
4a71df50 | 4068 | atomic_set(&card->force_alloc_skb, 0); |
d0ff1f52 | 4069 | qeth_get_channel_path_desc(card); |
4a71df50 | 4070 | retry: |
aa909224 | 4071 | if (retries) |
74eacdb9 FB |
4072 | QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n", |
4073 | dev_name(&card->gdev->dev)); | |
aa909224 UB |
4074 | ccw_device_set_offline(CARD_DDEV(card)); |
4075 | ccw_device_set_offline(CARD_WDEV(card)); | |
4076 | ccw_device_set_offline(CARD_RDEV(card)); | |
4077 | rc = ccw_device_set_online(CARD_RDEV(card)); | |
4078 | if (rc) | |
4079 | goto retriable; | |
4080 | rc = ccw_device_set_online(CARD_WDEV(card)); | |
4081 | if (rc) | |
4082 | goto retriable; | |
4083 | rc = ccw_device_set_online(CARD_DDEV(card)); | |
4084 | if (rc) | |
4085 | goto retriable; | |
4a71df50 | 4086 | rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); |
aa909224 | 4087 | retriable: |
4a71df50 | 4088 | if (rc == -ERESTARTSYS) { |
d11ba0c4 | 4089 | QETH_DBF_TEXT(SETUP, 2, "break1"); |
4a71df50 FB |
4090 | return rc; |
4091 | } else if (rc) { | |
d11ba0c4 | 4092 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
aa909224 | 4093 | if (++retries > 3) |
4a71df50 FB |
4094 | goto out; |
4095 | else | |
4096 | goto retry; | |
4097 | } | |
d0ff1f52 | 4098 | qeth_determine_capabilities(card); |
4a71df50 FB |
4099 | qeth_init_tokens(card); |
4100 | qeth_init_func_level(card); | |
4101 | rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb); | |
4102 | if (rc == -ERESTARTSYS) { | |
d11ba0c4 | 4103 | QETH_DBF_TEXT(SETUP, 2, "break2"); |
4a71df50 FB |
4104 | return rc; |
4105 | } else if (rc) { | |
d11ba0c4 | 4106 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
4a71df50 FB |
4107 | if (--retries < 0) |
4108 | goto out; | |
4109 | else | |
4110 | goto retry; | |
4111 | } | |
4112 | rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb); | |
4113 | if (rc == -ERESTARTSYS) { | |
d11ba0c4 | 4114 | QETH_DBF_TEXT(SETUP, 2, "break3"); |
4a71df50 FB |
4115 | return rc; |
4116 | } else if (rc) { | |
d11ba0c4 | 4117 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); |
4a71df50 FB |
4118 | if (--retries < 0) |
4119 | goto out; | |
4120 | else | |
4121 | goto retry; | |
4122 | } | |
908abbb5 | 4123 | card->read_or_write_problem = 0; |
4a71df50 FB |
4124 | rc = qeth_mpc_initialize(card); |
4125 | if (rc) { | |
d11ba0c4 | 4126 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); |
4a71df50 FB |
4127 | goto out; |
4128 | } | |
1da74b1c FB |
4129 | |
4130 | card->options.ipa4.supported_funcs = 0; | |
4131 | card->options.adp.supported_funcs = 0; | |
4132 | card->info.diagass_support = 0; | |
4133 | qeth_query_ipassists(card, QETH_PROT_IPV4); | |
4134 | if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) | |
4135 | qeth_query_setadapterparms(card); | |
4136 | if (qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) | |
4137 | qeth_query_setdiagass(card); | |
4a71df50 FB |
4138 | return 0; |
4139 | out: | |
74eacdb9 FB |
4140 | dev_warn(&card->gdev->dev, "The qeth device driver failed to recover " |
4141 | "an error on the device\n"); | |
4142 | QETH_DBF_MESSAGE(2, "%s Initialization in hardsetup failed! rc=%d\n", | |
4143 | dev_name(&card->gdev->dev), rc); | |
4a71df50 FB |
4144 | return rc; |
4145 | } | |
4146 | EXPORT_SYMBOL_GPL(qeth_core_hardsetup_card); | |
4147 | ||
4148 | static inline int qeth_create_skb_frag(struct qdio_buffer_element *element, | |
4149 | struct sk_buff **pskb, int offset, int *pfrag, int data_len) | |
4150 | { | |
4151 | struct page *page = virt_to_page(element->addr); | |
4152 | if (*pskb == NULL) { | |
4153 | /* the upper protocol layers assume that there is data in the | |
4154 | * skb itself. Copy a small amount (64 bytes) to make them | |
4155 | * happy. */ | |
4156 | *pskb = dev_alloc_skb(64 + ETH_HLEN); | |
4157 | if (!(*pskb)) | |
4158 | return -ENOMEM; | |
4159 | skb_reserve(*pskb, ETH_HLEN); | |
4160 | if (data_len <= 64) { | |
4161 | memcpy(skb_put(*pskb, data_len), element->addr + offset, | |
4162 | data_len); | |
4163 | } else { | |
4164 | get_page(page); | |
4165 | memcpy(skb_put(*pskb, 64), element->addr + offset, 64); | |
4166 | skb_fill_page_desc(*pskb, *pfrag, page, offset + 64, | |
4167 | data_len - 64); | |
4168 | (*pskb)->data_len += data_len - 64; | |
4169 | (*pskb)->len += data_len - 64; | |
4170 | (*pskb)->truesize += data_len - 64; | |
4171 | (*pfrag)++; | |
4172 | } | |
4173 | } else { | |
4174 | get_page(page); | |
4175 | skb_fill_page_desc(*pskb, *pfrag, page, offset, data_len); | |
4176 | (*pskb)->data_len += data_len; | |
4177 | (*pskb)->len += data_len; | |
4178 | (*pskb)->truesize += data_len; | |
4179 | (*pfrag)++; | |
4180 | } | |
4181 | return 0; | |
4182 | } | |
4183 | ||
4184 | struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card, | |
4185 | struct qdio_buffer *buffer, | |
4186 | struct qdio_buffer_element **__element, int *__offset, | |
4187 | struct qeth_hdr **hdr) | |
4188 | { | |
4189 | struct qdio_buffer_element *element = *__element; | |
4190 | int offset = *__offset; | |
4191 | struct sk_buff *skb = NULL; | |
76b11f8e | 4192 | int skb_len = 0; |
4a71df50 FB |
4193 | void *data_ptr; |
4194 | int data_len; | |
4195 | int headroom = 0; | |
4196 | int use_rx_sg = 0; | |
4197 | int frag = 0; | |
4198 | ||
4a71df50 FB |
4199 | /* qeth_hdr must not cross element boundaries */ |
4200 | if (element->length < offset + sizeof(struct qeth_hdr)) { | |
4201 | if (qeth_is_last_sbale(element)) | |
4202 | return NULL; | |
4203 | element++; | |
4204 | offset = 0; | |
4205 | if (element->length < sizeof(struct qeth_hdr)) | |
4206 | return NULL; | |
4207 | } | |
4208 | *hdr = element->addr + offset; | |
4209 | ||
4210 | offset += sizeof(struct qeth_hdr); | |
76b11f8e UB |
4211 | switch ((*hdr)->hdr.l2.id) { |
4212 | case QETH_HEADER_TYPE_LAYER2: | |
4213 | skb_len = (*hdr)->hdr.l2.pkt_length; | |
4214 | break; | |
4215 | case QETH_HEADER_TYPE_LAYER3: | |
4a71df50 | 4216 | skb_len = (*hdr)->hdr.l3.length; |
b403e685 FB |
4217 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
4218 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) | |
4219 | headroom = TR_HLEN; | |
4220 | else | |
4221 | headroom = ETH_HLEN; | |
76b11f8e UB |
4222 | break; |
4223 | case QETH_HEADER_TYPE_OSN: | |
4224 | skb_len = (*hdr)->hdr.osn.pdu_length; | |
4225 | headroom = sizeof(struct qeth_hdr); | |
4226 | break; | |
4227 | default: | |
4228 | break; | |
4a71df50 FB |
4229 | } |
4230 | ||
4231 | if (!skb_len) | |
4232 | return NULL; | |
4233 | ||
4234 | if ((skb_len >= card->options.rx_sg_cb) && | |
4235 | (!(card->info.type == QETH_CARD_TYPE_OSN)) && | |
4236 | (!atomic_read(&card->force_alloc_skb))) { | |
4237 | use_rx_sg = 1; | |
4238 | } else { | |
4239 | skb = dev_alloc_skb(skb_len + headroom); | |
4240 | if (!skb) | |
4241 | goto no_mem; | |
4242 | if (headroom) | |
4243 | skb_reserve(skb, headroom); | |
4244 | } | |
4245 | ||
4246 | data_ptr = element->addr + offset; | |
4247 | while (skb_len) { | |
4248 | data_len = min(skb_len, (int)(element->length - offset)); | |
4249 | if (data_len) { | |
4250 | if (use_rx_sg) { | |
4251 | if (qeth_create_skb_frag(element, &skb, offset, | |
4252 | &frag, data_len)) | |
4253 | goto no_mem; | |
4254 | } else { | |
4255 | memcpy(skb_put(skb, data_len), data_ptr, | |
4256 | data_len); | |
4257 | } | |
4258 | } | |
4259 | skb_len -= data_len; | |
4260 | if (skb_len) { | |
4261 | if (qeth_is_last_sbale(element)) { | |
847a50fd | 4262 | QETH_CARD_TEXT(card, 4, "unexeob"); |
efd5d9a4 | 4263 | QETH_CARD_HEX(card, 2, buffer, sizeof(void *)); |
4a71df50 FB |
4264 | dev_kfree_skb_any(skb); |
4265 | card->stats.rx_errors++; | |
4266 | return NULL; | |
4267 | } | |
4268 | element++; | |
4269 | offset = 0; | |
4270 | data_ptr = element->addr; | |
4271 | } else { | |
4272 | offset += data_len; | |
4273 | } | |
4274 | } | |
4275 | *__element = element; | |
4276 | *__offset = offset; | |
4277 | if (use_rx_sg && card->options.performance_stats) { | |
4278 | card->perf_stats.sg_skbs_rx++; | |
4279 | card->perf_stats.sg_frags_rx += skb_shinfo(skb)->nr_frags; | |
4280 | } | |
4281 | return skb; | |
4282 | no_mem: | |
4283 | if (net_ratelimit()) { | |
847a50fd | 4284 | QETH_CARD_TEXT(card, 2, "noskbmem"); |
4a71df50 FB |
4285 | } |
4286 | card->stats.rx_dropped++; | |
4287 | return NULL; | |
4288 | } | |
4289 | EXPORT_SYMBOL_GPL(qeth_core_get_next_skb); | |
4290 | ||
4291 | static void qeth_unregister_dbf_views(void) | |
4292 | { | |
d11ba0c4 PT |
4293 | int x; |
4294 | for (x = 0; x < QETH_DBF_INFOS; x++) { | |
4295 | debug_unregister(qeth_dbf[x].id); | |
4296 | qeth_dbf[x].id = NULL; | |
4297 | } | |
4a71df50 FB |
4298 | } |
4299 | ||
8e96c51c | 4300 | void qeth_dbf_longtext(debug_info_t *id, int level, char *fmt, ...) |
cd023216 PT |
4301 | { |
4302 | char dbf_txt_buf[32]; | |
345aa66e | 4303 | va_list args; |
cd023216 | 4304 | |
8e96c51c | 4305 | if (level > id->level) |
cd023216 | 4306 | return; |
345aa66e PT |
4307 | va_start(args, fmt); |
4308 | vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args); | |
4309 | va_end(args); | |
8e96c51c | 4310 | debug_text_event(id, level, dbf_txt_buf); |
cd023216 PT |
4311 | } |
4312 | EXPORT_SYMBOL_GPL(qeth_dbf_longtext); | |
4313 | ||
4a71df50 FB |
4314 | static int qeth_register_dbf_views(void) |
4315 | { | |
d11ba0c4 PT |
4316 | int ret; |
4317 | int x; | |
4318 | ||
4319 | for (x = 0; x < QETH_DBF_INFOS; x++) { | |
4320 | /* register the areas */ | |
4321 | qeth_dbf[x].id = debug_register(qeth_dbf[x].name, | |
4322 | qeth_dbf[x].pages, | |
4323 | qeth_dbf[x].areas, | |
4324 | qeth_dbf[x].len); | |
4325 | if (qeth_dbf[x].id == NULL) { | |
4326 | qeth_unregister_dbf_views(); | |
4327 | return -ENOMEM; | |
4328 | } | |
4a71df50 | 4329 | |
d11ba0c4 PT |
4330 | /* register a view */ |
4331 | ret = debug_register_view(qeth_dbf[x].id, qeth_dbf[x].view); | |
4332 | if (ret) { | |
4333 | qeth_unregister_dbf_views(); | |
4334 | return ret; | |
4335 | } | |
4a71df50 | 4336 | |
d11ba0c4 PT |
4337 | /* set a passing level */ |
4338 | debug_set_level(qeth_dbf[x].id, qeth_dbf[x].level); | |
4339 | } | |
4a71df50 FB |
4340 | |
4341 | return 0; | |
4342 | } | |
4343 | ||
4344 | int qeth_core_load_discipline(struct qeth_card *card, | |
4345 | enum qeth_discipline_id discipline) | |
4346 | { | |
4347 | int rc = 0; | |
4348 | switch (discipline) { | |
4349 | case QETH_DISCIPLINE_LAYER3: | |
4350 | card->discipline.ccwgdriver = try_then_request_module( | |
4351 | symbol_get(qeth_l3_ccwgroup_driver), | |
4352 | "qeth_l3"); | |
4353 | break; | |
4354 | case QETH_DISCIPLINE_LAYER2: | |
4355 | card->discipline.ccwgdriver = try_then_request_module( | |
4356 | symbol_get(qeth_l2_ccwgroup_driver), | |
4357 | "qeth_l2"); | |
4358 | break; | |
4359 | } | |
4360 | if (!card->discipline.ccwgdriver) { | |
74eacdb9 FB |
4361 | dev_err(&card->gdev->dev, "There is no kernel module to " |
4362 | "support discipline %d\n", discipline); | |
4a71df50 FB |
4363 | rc = -EINVAL; |
4364 | } | |
4365 | return rc; | |
4366 | } | |
4367 | ||
4368 | void qeth_core_free_discipline(struct qeth_card *card) | |
4369 | { | |
4370 | if (card->options.layer2) | |
4371 | symbol_put(qeth_l2_ccwgroup_driver); | |
4372 | else | |
4373 | symbol_put(qeth_l3_ccwgroup_driver); | |
4374 | card->discipline.ccwgdriver = NULL; | |
4375 | } | |
4376 | ||
4377 | static int qeth_core_probe_device(struct ccwgroup_device *gdev) | |
4378 | { | |
4379 | struct qeth_card *card; | |
4380 | struct device *dev; | |
4381 | int rc; | |
4382 | unsigned long flags; | |
af039068 | 4383 | char dbf_name[20]; |
4a71df50 | 4384 | |
d11ba0c4 | 4385 | QETH_DBF_TEXT(SETUP, 2, "probedev"); |
4a71df50 FB |
4386 | |
4387 | dev = &gdev->dev; | |
4388 | if (!get_device(dev)) | |
4389 | return -ENODEV; | |
4390 | ||
2a0217d5 | 4391 | QETH_DBF_TEXT_(SETUP, 2, "%s", dev_name(&gdev->dev)); |
4a71df50 FB |
4392 | |
4393 | card = qeth_alloc_card(); | |
4394 | if (!card) { | |
d11ba0c4 | 4395 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", -ENOMEM); |
4a71df50 FB |
4396 | rc = -ENOMEM; |
4397 | goto err_dev; | |
4398 | } | |
af039068 CO |
4399 | |
4400 | snprintf(dbf_name, sizeof(dbf_name), "qeth_card_%s", | |
4401 | dev_name(&gdev->dev)); | |
4402 | card->debug = debug_register(dbf_name, 2, 1, 8); | |
4403 | if (!card->debug) { | |
4404 | QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf"); | |
4405 | rc = -ENOMEM; | |
4406 | goto err_card; | |
4407 | } | |
4408 | debug_register_view(card->debug, &debug_hex_ascii_view); | |
4409 | ||
4a71df50 FB |
4410 | card->read.ccwdev = gdev->cdev[0]; |
4411 | card->write.ccwdev = gdev->cdev[1]; | |
4412 | card->data.ccwdev = gdev->cdev[2]; | |
4413 | dev_set_drvdata(&gdev->dev, card); | |
4414 | card->gdev = gdev; | |
4415 | gdev->cdev[0]->handler = qeth_irq; | |
4416 | gdev->cdev[1]->handler = qeth_irq; | |
4417 | gdev->cdev[2]->handler = qeth_irq; | |
4418 | ||
4419 | rc = qeth_determine_card_type(card); | |
4420 | if (rc) { | |
d11ba0c4 | 4421 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
af039068 | 4422 | goto err_dbf; |
4a71df50 FB |
4423 | } |
4424 | rc = qeth_setup_card(card); | |
4425 | if (rc) { | |
d11ba0c4 | 4426 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
af039068 | 4427 | goto err_dbf; |
4a71df50 FB |
4428 | } |
4429 | ||
5113fec0 | 4430 | if (card->info.type == QETH_CARD_TYPE_OSN) |
4a71df50 | 4431 | rc = qeth_core_create_osn_attributes(dev); |
5113fec0 UB |
4432 | else |
4433 | rc = qeth_core_create_device_attributes(dev); | |
4434 | if (rc) | |
af039068 | 4435 | goto err_dbf; |
5113fec0 UB |
4436 | switch (card->info.type) { |
4437 | case QETH_CARD_TYPE_OSN: | |
4438 | case QETH_CARD_TYPE_OSM: | |
4a71df50 | 4439 | rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2); |
5113fec0 UB |
4440 | if (rc) |
4441 | goto err_attr; | |
4a71df50 | 4442 | rc = card->discipline.ccwgdriver->probe(card->gdev); |
4a71df50 | 4443 | if (rc) |
5113fec0 UB |
4444 | goto err_disc; |
4445 | case QETH_CARD_TYPE_OSD: | |
4446 | case QETH_CARD_TYPE_OSX: | |
4447 | default: | |
4448 | break; | |
4a71df50 FB |
4449 | } |
4450 | ||
4451 | write_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
4452 | list_add_tail(&card->list, &qeth_core_card_list.list); | |
4453 | write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
76b11f8e UB |
4454 | |
4455 | qeth_determine_capabilities(card); | |
4a71df50 FB |
4456 | return 0; |
4457 | ||
5113fec0 UB |
4458 | err_disc: |
4459 | qeth_core_free_discipline(card); | |
4460 | err_attr: | |
4461 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
4462 | qeth_core_remove_osn_attributes(dev); | |
4463 | else | |
4464 | qeth_core_remove_device_attributes(dev); | |
af039068 CO |
4465 | err_dbf: |
4466 | debug_unregister(card->debug); | |
4a71df50 FB |
4467 | err_card: |
4468 | qeth_core_free_card(card); | |
4469 | err_dev: | |
4470 | put_device(dev); | |
4471 | return rc; | |
4472 | } | |
4473 | ||
4474 | static void qeth_core_remove_device(struct ccwgroup_device *gdev) | |
4475 | { | |
4476 | unsigned long flags; | |
4477 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4478 | ||
28a7e4c9 | 4479 | QETH_DBF_TEXT(SETUP, 2, "removedv"); |
4a71df50 FB |
4480 | |
4481 | if (card->info.type == QETH_CARD_TYPE_OSN) { | |
4482 | qeth_core_remove_osn_attributes(&gdev->dev); | |
4483 | } else { | |
4484 | qeth_core_remove_device_attributes(&gdev->dev); | |
4485 | } | |
9dc48ccc UB |
4486 | |
4487 | if (card->discipline.ccwgdriver) { | |
4488 | card->discipline.ccwgdriver->remove(gdev); | |
4489 | qeth_core_free_discipline(card); | |
4490 | } | |
4491 | ||
af039068 | 4492 | debug_unregister(card->debug); |
4a71df50 FB |
4493 | write_lock_irqsave(&qeth_core_card_list.rwlock, flags); |
4494 | list_del(&card->list); | |
4495 | write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
4496 | qeth_core_free_card(card); | |
4497 | dev_set_drvdata(&gdev->dev, NULL); | |
4498 | put_device(&gdev->dev); | |
4499 | return; | |
4500 | } | |
4501 | ||
4502 | static int qeth_core_set_online(struct ccwgroup_device *gdev) | |
4503 | { | |
4504 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4505 | int rc = 0; | |
4506 | int def_discipline; | |
4507 | ||
4508 | if (!card->discipline.ccwgdriver) { | |
4509 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
4510 | def_discipline = QETH_DISCIPLINE_LAYER3; | |
4511 | else | |
4512 | def_discipline = QETH_DISCIPLINE_LAYER2; | |
4513 | rc = qeth_core_load_discipline(card, def_discipline); | |
4514 | if (rc) | |
4515 | goto err; | |
4516 | rc = card->discipline.ccwgdriver->probe(card->gdev); | |
4517 | if (rc) | |
4518 | goto err; | |
4519 | } | |
4520 | rc = card->discipline.ccwgdriver->set_online(gdev); | |
4521 | err: | |
4522 | return rc; | |
4523 | } | |
4524 | ||
4525 | static int qeth_core_set_offline(struct ccwgroup_device *gdev) | |
4526 | { | |
4527 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4528 | return card->discipline.ccwgdriver->set_offline(gdev); | |
4529 | } | |
4530 | ||
4531 | static void qeth_core_shutdown(struct ccwgroup_device *gdev) | |
4532 | { | |
4533 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4534 | if (card->discipline.ccwgdriver && | |
4535 | card->discipline.ccwgdriver->shutdown) | |
4536 | card->discipline.ccwgdriver->shutdown(gdev); | |
4537 | } | |
4538 | ||
bbcfcdc8 FB |
4539 | static int qeth_core_prepare(struct ccwgroup_device *gdev) |
4540 | { | |
4541 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4542 | if (card->discipline.ccwgdriver && | |
4543 | card->discipline.ccwgdriver->prepare) | |
4544 | return card->discipline.ccwgdriver->prepare(gdev); | |
4545 | return 0; | |
4546 | } | |
4547 | ||
4548 | static void qeth_core_complete(struct ccwgroup_device *gdev) | |
4549 | { | |
4550 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4551 | if (card->discipline.ccwgdriver && | |
4552 | card->discipline.ccwgdriver->complete) | |
4553 | card->discipline.ccwgdriver->complete(gdev); | |
4554 | } | |
4555 | ||
4556 | static int qeth_core_freeze(struct ccwgroup_device *gdev) | |
4557 | { | |
4558 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4559 | if (card->discipline.ccwgdriver && | |
4560 | card->discipline.ccwgdriver->freeze) | |
4561 | return card->discipline.ccwgdriver->freeze(gdev); | |
4562 | return 0; | |
4563 | } | |
4564 | ||
4565 | static int qeth_core_thaw(struct ccwgroup_device *gdev) | |
4566 | { | |
4567 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4568 | if (card->discipline.ccwgdriver && | |
4569 | card->discipline.ccwgdriver->thaw) | |
4570 | return card->discipline.ccwgdriver->thaw(gdev); | |
4571 | return 0; | |
4572 | } | |
4573 | ||
4574 | static int qeth_core_restore(struct ccwgroup_device *gdev) | |
4575 | { | |
4576 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4577 | if (card->discipline.ccwgdriver && | |
4578 | card->discipline.ccwgdriver->restore) | |
4579 | return card->discipline.ccwgdriver->restore(gdev); | |
4580 | return 0; | |
4581 | } | |
4582 | ||
4a71df50 | 4583 | static struct ccwgroup_driver qeth_core_ccwgroup_driver = { |
3c190c51 SO |
4584 | .driver = { |
4585 | .owner = THIS_MODULE, | |
4586 | .name = "qeth", | |
4587 | }, | |
4a71df50 FB |
4588 | .driver_id = 0xD8C5E3C8, |
4589 | .probe = qeth_core_probe_device, | |
4590 | .remove = qeth_core_remove_device, | |
4591 | .set_online = qeth_core_set_online, | |
4592 | .set_offline = qeth_core_set_offline, | |
4593 | .shutdown = qeth_core_shutdown, | |
bbcfcdc8 FB |
4594 | .prepare = qeth_core_prepare, |
4595 | .complete = qeth_core_complete, | |
4596 | .freeze = qeth_core_freeze, | |
4597 | .thaw = qeth_core_thaw, | |
4598 | .restore = qeth_core_restore, | |
4a71df50 FB |
4599 | }; |
4600 | ||
4601 | static ssize_t | |
4602 | qeth_core_driver_group_store(struct device_driver *ddrv, const char *buf, | |
4603 | size_t count) | |
4604 | { | |
4605 | int err; | |
4606 | err = qeth_core_driver_group(buf, qeth_core_root_dev, | |
4607 | qeth_core_ccwgroup_driver.driver_id); | |
4608 | if (err) | |
4609 | return err; | |
4610 | else | |
4611 | return count; | |
4612 | } | |
4613 | ||
4614 | static DRIVER_ATTR(group, 0200, NULL, qeth_core_driver_group_store); | |
4615 | ||
4616 | static struct { | |
4617 | const char str[ETH_GSTRING_LEN]; | |
4618 | } qeth_ethtool_stats_keys[] = { | |
4619 | /* 0 */{"rx skbs"}, | |
4620 | {"rx buffers"}, | |
4621 | {"tx skbs"}, | |
4622 | {"tx buffers"}, | |
4623 | {"tx skbs no packing"}, | |
4624 | {"tx buffers no packing"}, | |
4625 | {"tx skbs packing"}, | |
4626 | {"tx buffers packing"}, | |
4627 | {"tx sg skbs"}, | |
4628 | {"tx sg frags"}, | |
4629 | /* 10 */{"rx sg skbs"}, | |
4630 | {"rx sg frags"}, | |
4631 | {"rx sg page allocs"}, | |
4632 | {"tx large kbytes"}, | |
4633 | {"tx large count"}, | |
4634 | {"tx pk state ch n->p"}, | |
4635 | {"tx pk state ch p->n"}, | |
4636 | {"tx pk watermark low"}, | |
4637 | {"tx pk watermark high"}, | |
4638 | {"queue 0 buffer usage"}, | |
4639 | /* 20 */{"queue 1 buffer usage"}, | |
4640 | {"queue 2 buffer usage"}, | |
4641 | {"queue 3 buffer usage"}, | |
a1c3ed4c FB |
4642 | {"rx poll time"}, |
4643 | {"rx poll count"}, | |
4a71df50 FB |
4644 | {"rx do_QDIO time"}, |
4645 | {"rx do_QDIO count"}, | |
4646 | {"tx handler time"}, | |
4647 | {"tx handler count"}, | |
4648 | {"tx time"}, | |
4649 | /* 30 */{"tx count"}, | |
4650 | {"tx do_QDIO time"}, | |
4651 | {"tx do_QDIO count"}, | |
f61a0d05 | 4652 | {"tx csum"}, |
c3b4a740 | 4653 | {"tx lin"}, |
4a71df50 FB |
4654 | }; |
4655 | ||
df8b4ec8 | 4656 | int qeth_core_get_sset_count(struct net_device *dev, int stringset) |
4a71df50 | 4657 | { |
df8b4ec8 BH |
4658 | switch (stringset) { |
4659 | case ETH_SS_STATS: | |
4660 | return (sizeof(qeth_ethtool_stats_keys) / ETH_GSTRING_LEN); | |
4661 | default: | |
4662 | return -EINVAL; | |
4663 | } | |
4a71df50 | 4664 | } |
df8b4ec8 | 4665 | EXPORT_SYMBOL_GPL(qeth_core_get_sset_count); |
4a71df50 FB |
4666 | |
4667 | void qeth_core_get_ethtool_stats(struct net_device *dev, | |
4668 | struct ethtool_stats *stats, u64 *data) | |
4669 | { | |
509e2562 | 4670 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
4671 | data[0] = card->stats.rx_packets - |
4672 | card->perf_stats.initial_rx_packets; | |
4673 | data[1] = card->perf_stats.bufs_rec; | |
4674 | data[2] = card->stats.tx_packets - | |
4675 | card->perf_stats.initial_tx_packets; | |
4676 | data[3] = card->perf_stats.bufs_sent; | |
4677 | data[4] = card->stats.tx_packets - card->perf_stats.initial_tx_packets | |
4678 | - card->perf_stats.skbs_sent_pack; | |
4679 | data[5] = card->perf_stats.bufs_sent - card->perf_stats.bufs_sent_pack; | |
4680 | data[6] = card->perf_stats.skbs_sent_pack; | |
4681 | data[7] = card->perf_stats.bufs_sent_pack; | |
4682 | data[8] = card->perf_stats.sg_skbs_sent; | |
4683 | data[9] = card->perf_stats.sg_frags_sent; | |
4684 | data[10] = card->perf_stats.sg_skbs_rx; | |
4685 | data[11] = card->perf_stats.sg_frags_rx; | |
4686 | data[12] = card->perf_stats.sg_alloc_page_rx; | |
4687 | data[13] = (card->perf_stats.large_send_bytes >> 10); | |
4688 | data[14] = card->perf_stats.large_send_cnt; | |
4689 | data[15] = card->perf_stats.sc_dp_p; | |
4690 | data[16] = card->perf_stats.sc_p_dp; | |
4691 | data[17] = QETH_LOW_WATERMARK_PACK; | |
4692 | data[18] = QETH_HIGH_WATERMARK_PACK; | |
4693 | data[19] = atomic_read(&card->qdio.out_qs[0]->used_buffers); | |
4694 | data[20] = (card->qdio.no_out_queues > 1) ? | |
4695 | atomic_read(&card->qdio.out_qs[1]->used_buffers) : 0; | |
4696 | data[21] = (card->qdio.no_out_queues > 2) ? | |
4697 | atomic_read(&card->qdio.out_qs[2]->used_buffers) : 0; | |
4698 | data[22] = (card->qdio.no_out_queues > 3) ? | |
4699 | atomic_read(&card->qdio.out_qs[3]->used_buffers) : 0; | |
4700 | data[23] = card->perf_stats.inbound_time; | |
4701 | data[24] = card->perf_stats.inbound_cnt; | |
4702 | data[25] = card->perf_stats.inbound_do_qdio_time; | |
4703 | data[26] = card->perf_stats.inbound_do_qdio_cnt; | |
4704 | data[27] = card->perf_stats.outbound_handler_time; | |
4705 | data[28] = card->perf_stats.outbound_handler_cnt; | |
4706 | data[29] = card->perf_stats.outbound_time; | |
4707 | data[30] = card->perf_stats.outbound_cnt; | |
4708 | data[31] = card->perf_stats.outbound_do_qdio_time; | |
4709 | data[32] = card->perf_stats.outbound_do_qdio_cnt; | |
f61a0d05 | 4710 | data[33] = card->perf_stats.tx_csum; |
c3b4a740 | 4711 | data[34] = card->perf_stats.tx_lin; |
4a71df50 FB |
4712 | } |
4713 | EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats); | |
4714 | ||
4715 | void qeth_core_get_strings(struct net_device *dev, u32 stringset, u8 *data) | |
4716 | { | |
4717 | switch (stringset) { | |
4718 | case ETH_SS_STATS: | |
4719 | memcpy(data, &qeth_ethtool_stats_keys, | |
4720 | sizeof(qeth_ethtool_stats_keys)); | |
4721 | break; | |
4722 | default: | |
4723 | WARN_ON(1); | |
4724 | break; | |
4725 | } | |
4726 | } | |
4727 | EXPORT_SYMBOL_GPL(qeth_core_get_strings); | |
4728 | ||
4729 | void qeth_core_get_drvinfo(struct net_device *dev, | |
4730 | struct ethtool_drvinfo *info) | |
4731 | { | |
509e2562 | 4732 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
4733 | if (card->options.layer2) |
4734 | strcpy(info->driver, "qeth_l2"); | |
4735 | else | |
4736 | strcpy(info->driver, "qeth_l3"); | |
4737 | ||
4738 | strcpy(info->version, "1.0"); | |
4739 | strcpy(info->fw_version, card->info.mcl_level); | |
4740 | sprintf(info->bus_info, "%s/%s/%s", | |
4741 | CARD_RDEV_ID(card), | |
4742 | CARD_WDEV_ID(card), | |
4743 | CARD_DDEV_ID(card)); | |
4744 | } | |
4745 | EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo); | |
4746 | ||
3f9975aa FB |
4747 | int qeth_core_ethtool_get_settings(struct net_device *netdev, |
4748 | struct ethtool_cmd *ecmd) | |
4749 | { | |
509e2562 | 4750 | struct qeth_card *card = netdev->ml_priv; |
3f9975aa FB |
4751 | enum qeth_link_types link_type; |
4752 | ||
4753 | if ((card->info.type == QETH_CARD_TYPE_IQD) || (card->info.guestlan)) | |
4754 | link_type = QETH_LINK_TYPE_10GBIT_ETH; | |
4755 | else | |
4756 | link_type = card->info.link_type; | |
4757 | ||
4758 | ecmd->transceiver = XCVR_INTERNAL; | |
4759 | ecmd->supported = SUPPORTED_Autoneg; | |
4760 | ecmd->advertising = ADVERTISED_Autoneg; | |
4761 | ecmd->duplex = DUPLEX_FULL; | |
4762 | ecmd->autoneg = AUTONEG_ENABLE; | |
4763 | ||
4764 | switch (link_type) { | |
4765 | case QETH_LINK_TYPE_FAST_ETH: | |
4766 | case QETH_LINK_TYPE_LANE_ETH100: | |
4767 | ecmd->supported |= SUPPORTED_10baseT_Half | | |
4768 | SUPPORTED_10baseT_Full | | |
4769 | SUPPORTED_100baseT_Half | | |
4770 | SUPPORTED_100baseT_Full | | |
4771 | SUPPORTED_TP; | |
4772 | ecmd->advertising |= ADVERTISED_10baseT_Half | | |
4773 | ADVERTISED_10baseT_Full | | |
4774 | ADVERTISED_100baseT_Half | | |
4775 | ADVERTISED_100baseT_Full | | |
4776 | ADVERTISED_TP; | |
4777 | ecmd->speed = SPEED_100; | |
4778 | ecmd->port = PORT_TP; | |
4779 | break; | |
4780 | ||
4781 | case QETH_LINK_TYPE_GBIT_ETH: | |
4782 | case QETH_LINK_TYPE_LANE_ETH1000: | |
4783 | ecmd->supported |= SUPPORTED_10baseT_Half | | |
4784 | SUPPORTED_10baseT_Full | | |
4785 | SUPPORTED_100baseT_Half | | |
4786 | SUPPORTED_100baseT_Full | | |
4787 | SUPPORTED_1000baseT_Half | | |
4788 | SUPPORTED_1000baseT_Full | | |
4789 | SUPPORTED_FIBRE; | |
4790 | ecmd->advertising |= ADVERTISED_10baseT_Half | | |
4791 | ADVERTISED_10baseT_Full | | |
4792 | ADVERTISED_100baseT_Half | | |
4793 | ADVERTISED_100baseT_Full | | |
4794 | ADVERTISED_1000baseT_Half | | |
4795 | ADVERTISED_1000baseT_Full | | |
4796 | ADVERTISED_FIBRE; | |
4797 | ecmd->speed = SPEED_1000; | |
4798 | ecmd->port = PORT_FIBRE; | |
4799 | break; | |
4800 | ||
4801 | case QETH_LINK_TYPE_10GBIT_ETH: | |
4802 | ecmd->supported |= SUPPORTED_10baseT_Half | | |
4803 | SUPPORTED_10baseT_Full | | |
4804 | SUPPORTED_100baseT_Half | | |
4805 | SUPPORTED_100baseT_Full | | |
4806 | SUPPORTED_1000baseT_Half | | |
4807 | SUPPORTED_1000baseT_Full | | |
4808 | SUPPORTED_10000baseT_Full | | |
4809 | SUPPORTED_FIBRE; | |
4810 | ecmd->advertising |= ADVERTISED_10baseT_Half | | |
4811 | ADVERTISED_10baseT_Full | | |
4812 | ADVERTISED_100baseT_Half | | |
4813 | ADVERTISED_100baseT_Full | | |
4814 | ADVERTISED_1000baseT_Half | | |
4815 | ADVERTISED_1000baseT_Full | | |
4816 | ADVERTISED_10000baseT_Full | | |
4817 | ADVERTISED_FIBRE; | |
4818 | ecmd->speed = SPEED_10000; | |
4819 | ecmd->port = PORT_FIBRE; | |
4820 | break; | |
4821 | ||
4822 | default: | |
4823 | ecmd->supported |= SUPPORTED_10baseT_Half | | |
4824 | SUPPORTED_10baseT_Full | | |
4825 | SUPPORTED_TP; | |
4826 | ecmd->advertising |= ADVERTISED_10baseT_Half | | |
4827 | ADVERTISED_10baseT_Full | | |
4828 | ADVERTISED_TP; | |
4829 | ecmd->speed = SPEED_10; | |
4830 | ecmd->port = PORT_TP; | |
4831 | } | |
4832 | ||
4833 | return 0; | |
4834 | } | |
4835 | EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings); | |
4836 | ||
4a71df50 FB |
4837 | static int __init qeth_core_init(void) |
4838 | { | |
4839 | int rc; | |
4840 | ||
74eacdb9 | 4841 | pr_info("loading core functions\n"); |
4a71df50 FB |
4842 | INIT_LIST_HEAD(&qeth_core_card_list.list); |
4843 | rwlock_init(&qeth_core_card_list.rwlock); | |
4844 | ||
4845 | rc = qeth_register_dbf_views(); | |
4846 | if (rc) | |
4847 | goto out_err; | |
4848 | rc = ccw_driver_register(&qeth_ccw_driver); | |
4849 | if (rc) | |
4850 | goto ccw_err; | |
4851 | rc = ccwgroup_driver_register(&qeth_core_ccwgroup_driver); | |
4852 | if (rc) | |
4853 | goto ccwgroup_err; | |
4854 | rc = driver_create_file(&qeth_core_ccwgroup_driver.driver, | |
4855 | &driver_attr_group); | |
4856 | if (rc) | |
4857 | goto driver_err; | |
035da16f | 4858 | qeth_core_root_dev = root_device_register("qeth"); |
4a71df50 FB |
4859 | rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0; |
4860 | if (rc) | |
4861 | goto register_err; | |
4a71df50 | 4862 | |
683d718a FB |
4863 | qeth_core_header_cache = kmem_cache_create("qeth_hdr", |
4864 | sizeof(struct qeth_hdr) + ETH_HLEN, 64, 0, NULL); | |
4865 | if (!qeth_core_header_cache) { | |
4866 | rc = -ENOMEM; | |
4867 | goto slab_err; | |
4868 | } | |
4869 | ||
4870 | return 0; | |
4871 | slab_err: | |
035da16f | 4872 | root_device_unregister(qeth_core_root_dev); |
4a71df50 FB |
4873 | register_err: |
4874 | driver_remove_file(&qeth_core_ccwgroup_driver.driver, | |
4875 | &driver_attr_group); | |
4876 | driver_err: | |
4877 | ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); | |
4878 | ccwgroup_err: | |
4879 | ccw_driver_unregister(&qeth_ccw_driver); | |
4880 | ccw_err: | |
74eacdb9 | 4881 | QETH_DBF_MESSAGE(2, "Initialization failed with code %d\n", rc); |
4a71df50 FB |
4882 | qeth_unregister_dbf_views(); |
4883 | out_err: | |
74eacdb9 | 4884 | pr_err("Initializing the qeth device driver failed\n"); |
4a71df50 FB |
4885 | return rc; |
4886 | } | |
4887 | ||
4888 | static void __exit qeth_core_exit(void) | |
4889 | { | |
035da16f | 4890 | root_device_unregister(qeth_core_root_dev); |
4a71df50 FB |
4891 | driver_remove_file(&qeth_core_ccwgroup_driver.driver, |
4892 | &driver_attr_group); | |
4893 | ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); | |
4894 | ccw_driver_unregister(&qeth_ccw_driver); | |
683d718a | 4895 | kmem_cache_destroy(qeth_core_header_cache); |
4a71df50 | 4896 | qeth_unregister_dbf_views(); |
74eacdb9 | 4897 | pr_info("core functions removed\n"); |
4a71df50 FB |
4898 | } |
4899 | ||
4900 | module_init(qeth_core_init); | |
4901 | module_exit(qeth_core_exit); | |
4902 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
4903 | MODULE_DESCRIPTION("qeth core functions"); | |
4904 | MODULE_LICENSE("GPL"); |