?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
p54: fix a fw crash caused by statistic feedback
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / p54 / fwio.c
blob21f19018fab514150409247eea65bfdb78561c81
1 /*
2 * Firmware I/O code for mac80211 Prism54 drivers
3 *
4 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
5 * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@web.de>
6 * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
7 *
8 * Based on:
9 * - the islsm (softmac prism54) driver, which is:
10 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
11 * - stlc45xx driver
12 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18
19 #include <linux/init.h>
20 #include <linux/firmware.h>
21 #include <linux/etherdevice.h>
22
23 #include <net/mac80211.h>
24
25 #include "p54.h"
26 #include "eeprom.h"
27 #include "lmac.h"
28
29 int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
30 {
31 struct p54_common *priv = dev->priv;
32 struct exp_if *exp_if;
33 struct bootrec *bootrec;
34 u32 *data = (u32 *)fw->data;
35 u32 *end_data = (u32 *)fw->data + (fw->size >> 2);
36 u8 *fw_version = NULL;
37 size_t len;
38 int i;
39 int maxlen;
40
41 if (priv->rx_start)
42 return 0;
43
44 while (data < end_data && *data)
45 data++;
46
47 while (data < end_data && !*data)
48 data++;
49
50 bootrec = (struct bootrec *) data;
51
52 while (bootrec->data <= end_data && (bootrec->data +
53 (len = le32_to_cpu(bootrec->len))) <= end_data) {
54 u32 code = le32_to_cpu(bootrec->code);
55 switch (code) {
56 case BR_CODE_COMPONENT_ID:
57 priv->fw_interface = be32_to_cpup((__be32 *)
58 bootrec->data);
59 switch (priv->fw_interface) {
60 case FW_LM86:
61 case FW_LM20:
62 case FW_LM87: {
63 char *iftype = (char *)bootrec->data;
64 printk(KERN_INFO "%s: p54 detected a LM%c%c "
65 "firmware\n",
66 wiphy_name(priv->hw->wiphy),
67 iftype[2], iftype[3]);
68 break;
69 }
70 case FW_FMAC:
71 default:
72 printk(KERN_ERR "%s: unsupported firmware\n",
73 wiphy_name(priv->hw->wiphy));
74 return -ENODEV;
75 }
76 break;
77 case BR_CODE_COMPONENT_VERSION:
78 /* 24 bytes should be enough for all firmwares */
79 if (strnlen((unsigned char *) bootrec->data, 24) < 24)
80 fw_version = (unsigned char *) bootrec->data;
81 break;
82 case BR_CODE_DESCR: {
83 struct bootrec_desc *desc =
84 (struct bootrec_desc *)bootrec->data;
85 priv->rx_start = le32_to_cpu(desc->rx_start);
86 /* FIXME add sanity checking */
87 priv->rx_end = le32_to_cpu(desc->rx_end) - 0x3500;
88 priv->headroom = desc->headroom;
89 priv->tailroom = desc->tailroom;
90 priv->privacy_caps = desc->privacy_caps;
91 priv->rx_keycache_size = desc->rx_keycache_size;
92 if (le32_to_cpu(bootrec->len) == 11)
93 priv->rx_mtu = le16_to_cpu(desc->rx_mtu);
94 else
95 priv->rx_mtu = (size_t)
96 0x620 - priv->tx_hdr_len;
97 maxlen = priv->tx_hdr_len + /* USB devices */
98 sizeof(struct p54_rx_data) +
99 4 + /* rx alignment */
100 IEEE80211_MAX_FRAG_THRESHOLD;
101 if (priv->rx_mtu > maxlen && PAGE_SIZE == 4096) {
102 printk(KERN_INFO "p54: rx_mtu reduced from %d "
103 "to %d\n", priv->rx_mtu, maxlen);
104 priv->rx_mtu = maxlen;
105 }
106 break;
107 }
108 case BR_CODE_EXPOSED_IF:
109 exp_if = (struct exp_if *) bootrec->data;
110 for (i = 0; i < (len * sizeof(*exp_if) / 4); i++)
111 if (exp_if[i].if_id == cpu_to_le16(IF_ID_LMAC))
112 priv->fw_var = le16_to_cpu(exp_if[i].variant);
113 break;
114 case BR_CODE_DEPENDENT_IF:
115 break;
116 case BR_CODE_END_OF_BRA:
117 case LEGACY_BR_CODE_END_OF_BRA:
118 end_data = NULL;
119 break;
120 default:
121 break;
122 }
123 bootrec = (struct bootrec *)&bootrec->data[len];
124 }
125
126 if (fw_version)
127 printk(KERN_INFO "%s: FW rev %s - Softmac protocol %x.%x\n",
128 wiphy_name(priv->hw->wiphy), fw_version,
129 priv->fw_var >> 8, priv->fw_var & 0xff);
130
131 if (priv->fw_var < 0x500)
132 printk(KERN_INFO "%s: you are using an obsolete firmware. "
133 "visit http://wireless.kernel.org/en/users/Drivers/p54 "
134 "and grab one for \"kernel >= 2.6.28\"!\n",
135 wiphy_name(priv->hw->wiphy));
136
137 if (priv->fw_var >= 0x300) {
138 /* Firmware supports QoS, use it! */
139
140 if (priv->fw_var >= 0x500) {
141 priv->tx_stats[P54_QUEUE_AC_VO].limit = 16;
142 priv->tx_stats[P54_QUEUE_AC_VI].limit = 16;
143 priv->tx_stats[P54_QUEUE_AC_BE].limit = 16;
144 priv->tx_stats[P54_QUEUE_AC_BK].limit = 16;
145 } else {
146 priv->tx_stats[P54_QUEUE_AC_VO].limit = 3;
147 priv->tx_stats[P54_QUEUE_AC_VI].limit = 4;
148 priv->tx_stats[P54_QUEUE_AC_BE].limit = 3;
149 priv->tx_stats[P54_QUEUE_AC_BK].limit = 2;
150 }
151 priv->hw->queues = P54_QUEUE_AC_NUM;
152 }
153
154 printk(KERN_INFO "%s: cryptographic accelerator "
155 "WEP:%s, TKIP:%s, CCMP:%s\n", wiphy_name(priv->hw->wiphy),
156 (priv->privacy_caps & BR_DESC_PRIV_CAP_WEP) ? "YES" :
157 "no", (priv->privacy_caps & (BR_DESC_PRIV_CAP_TKIP |
158 BR_DESC_PRIV_CAP_MICHAEL)) ? "YES" : "no",
159 (priv->privacy_caps & BR_DESC_PRIV_CAP_AESCCMP) ?
160 "YES" : "no");
161
162 if (priv->rx_keycache_size) {
163 /*
164 * NOTE:
165 *
166 * The firmware provides at most 255 (0 - 254) slots
167 * for keys which are then used to offload decryption.
168 * As a result the 255 entry (aka 0xff) can be used
169 * safely by the driver to mark keys that didn't fit
170 * into the full cache. This trick saves us from
171 * keeping a extra list for uploaded keys.
172 */
173
174 priv->used_rxkeys = kzalloc(BITS_TO_LONGS(
175 priv->rx_keycache_size), GFP_KERNEL);
176
177 if (!priv->used_rxkeys)
178 return -ENOMEM;
179 }
180
181 return 0;
182 }
183 EXPORT_SYMBOL_GPL(p54_parse_firmware);
184
185 static struct sk_buff *p54_alloc_skb(struct p54_common *priv, u16 hdr_flags,
186 u16 payload_len, u16 type, gfp_t memflags)
187 {
188 struct p54_hdr *hdr;
189 struct sk_buff *skb;
190 size_t frame_len = sizeof(*hdr) + payload_len;
191
192 if (frame_len > P54_MAX_CTRL_FRAME_LEN)
193 return NULL;
194
195 if (unlikely(skb_queue_len(&priv->tx_pending) > 64))
196 return NULL;
197
198 skb = __dev_alloc_skb(priv->tx_hdr_len + frame_len, memflags);
199 if (!skb)
200 return NULL;
201 skb_reserve(skb, priv->tx_hdr_len);
202
203 hdr = (struct p54_hdr *) skb_put(skb, sizeof(*hdr));
204 hdr->flags = cpu_to_le16(hdr_flags);
205 hdr->len = cpu_to_le16(payload_len);
206 hdr->type = cpu_to_le16(type);
207 hdr->tries = hdr->rts_tries = 0;
208 return skb;
209 }
210
211 int p54_download_eeprom(struct p54_common *priv, void *buf,
212 u16 offset, u16 len)
213 {
214 struct p54_eeprom_lm86 *eeprom_hdr;
215 struct sk_buff *skb;
216 size_t eeprom_hdr_size;
217 int ret = 0;
218
219 if (priv->fw_var >= 0x509)
220 eeprom_hdr_size = sizeof(*eeprom_hdr);
221 else
222 eeprom_hdr_size = 0x4;
223
224 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL, eeprom_hdr_size +
225 len, P54_CONTROL_TYPE_EEPROM_READBACK,
226 GFP_KERNEL);
227 if (unlikely(!skb))
228 return -ENOMEM;
229
230 mutex_lock(&priv->eeprom_mutex);
231 priv->eeprom = buf;
232 eeprom_hdr = (struct p54_eeprom_lm86 *) skb_put(skb,
233 eeprom_hdr_size + len);
234
235 if (priv->fw_var < 0x509) {
236 eeprom_hdr->v1.offset = cpu_to_le16(offset);
237 eeprom_hdr->v1.len = cpu_to_le16(len);
238 } else {
239 eeprom_hdr->v2.offset = cpu_to_le32(offset);
240 eeprom_hdr->v2.len = cpu_to_le16(len);
241 eeprom_hdr->v2.magic2 = 0xf;
242 memcpy(eeprom_hdr->v2.magic, (const char *)"LOCK", 4);
243 }
244
245 p54_tx(priv, skb);
246
247 if (!wait_for_completion_interruptible_timeout(
248 &priv->eeprom_comp, HZ)) {
249 printk(KERN_ERR "%s: device does not respond!\n",
250 wiphy_name(priv->hw->wiphy));
251 ret = -EBUSY;
252 }
253 priv->eeprom = NULL;
254 mutex_unlock(&priv->eeprom_mutex);
255 return ret;
256 }
257
258 int p54_update_beacon_tim(struct p54_common *priv, u16 aid, bool set)
259 {
260 struct sk_buff *skb;
261 struct p54_tim *tim;
262
263 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*tim),
264 P54_CONTROL_TYPE_TIM, GFP_ATOMIC);
265 if (unlikely(!skb))
266 return -ENOMEM;
267
268 tim = (struct p54_tim *) skb_put(skb, sizeof(*tim));
269 tim->count = 1;
270 tim->entry[0] = cpu_to_le16(set ? (aid | 0x8000) : aid);
271 p54_tx(priv, skb);
272 return 0;
273 }
274
275 int p54_sta_unlock(struct p54_common *priv, u8 *addr)
276 {
277 struct sk_buff *skb;
278 struct p54_sta_unlock *sta;
279
280 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*sta),
281 P54_CONTROL_TYPE_PSM_STA_UNLOCK, GFP_ATOMIC);
282 if (unlikely(!skb))
283 return -ENOMEM;
284
285 sta = (struct p54_sta_unlock *)skb_put(skb, sizeof(*sta));
286 memcpy(sta->addr, addr, ETH_ALEN);
287 p54_tx(priv, skb);
288 return 0;
289 }
290
291 int p54_tx_cancel(struct p54_common *priv, __le32 req_id)
292 {
293 struct sk_buff *skb;
294 struct p54_txcancel *cancel;
295 u32 _req_id = le32_to_cpu(req_id);
296
297 if (unlikely(_req_id < priv->rx_start || _req_id > priv->rx_end))
298 return -EINVAL;
299
300 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*cancel),
301 P54_CONTROL_TYPE_TXCANCEL, GFP_ATOMIC);
302 if (unlikely(!skb))
303 return -ENOMEM;
304
305 cancel = (struct p54_txcancel *)skb_put(skb, sizeof(*cancel));
306 cancel->req_id = req_id;
307 p54_tx(priv, skb);
308 return 0;
309 }
310
311 int p54_setup_mac(struct p54_common *priv)
312 {
313 struct sk_buff *skb;
314 struct p54_setup_mac *setup;
315 u16 mode;
316
317 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*setup),
318 P54_CONTROL_TYPE_SETUP, GFP_ATOMIC);
319 if (!skb)
320 return -ENOMEM;
321
322 setup = (struct p54_setup_mac *) skb_put(skb, sizeof(*setup));
323 if (priv->hw->conf.radio_enabled) {
324 switch (priv->mode) {
325 case NL80211_IFTYPE_STATION:
326 mode = P54_FILTER_TYPE_STATION;
327 break;
328 case NL80211_IFTYPE_AP:
329 mode = P54_FILTER_TYPE_AP;
330 break;
331 case NL80211_IFTYPE_ADHOC:
332 case NL80211_IFTYPE_MESH_POINT:
333 mode = P54_FILTER_TYPE_IBSS;
334 break;
335 case NL80211_IFTYPE_MONITOR:
336 mode = P54_FILTER_TYPE_PROMISCUOUS;
337 break;
338 default:
339 mode = P54_FILTER_TYPE_HIBERNATE;
340 break;
341 }
342
343 /*
344 * "TRANSPARENT and PROMISCUOUS are mutually exclusive"
345 * STSW45X0C LMAC API - page 12
346 */
347 if (((priv->filter_flags & FIF_PROMISC_IN_BSS) ||
348 (priv->filter_flags & FIF_OTHER_BSS)) &&
349 (mode != P54_FILTER_TYPE_PROMISCUOUS))
350 mode |= P54_FILTER_TYPE_TRANSPARENT;
351 } else
352 mode = P54_FILTER_TYPE_HIBERNATE;
353
354 setup->mac_mode = cpu_to_le16(mode);
355 memcpy(setup->mac_addr, priv->mac_addr, ETH_ALEN);
356 memcpy(setup->bssid, priv->bssid, ETH_ALEN);
357 setup->rx_antenna = 2 & priv->rx_diversity_mask; /* automatic */
358 setup->rx_align = 0;
359 if (priv->fw_var < 0x500) {
360 setup->v1.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask);
361 memset(setup->v1.rts_rates, 0, 8);
362 setup->v1.rx_addr = cpu_to_le32(priv->rx_end);
363 setup->v1.max_rx = cpu_to_le16(priv->rx_mtu);
364 setup->v1.rxhw = cpu_to_le16(priv->rxhw);
365 setup->v1.wakeup_timer = cpu_to_le16(priv->wakeup_timer);
366 setup->v1.unalloc0 = cpu_to_le16(0);
367 } else {
368 setup->v2.rx_addr = cpu_to_le32(priv->rx_end);
369 setup->v2.max_rx = cpu_to_le16(priv->rx_mtu);
370 setup->v2.rxhw = cpu_to_le16(priv->rxhw);
371 setup->v2.timer = cpu_to_le16(priv->wakeup_timer);
372 setup->v2.truncate = cpu_to_le16(48896);
373 setup->v2.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask);
374 setup->v2.sbss_offset = 0;
375 setup->v2.mcast_window = 0;
376 setup->v2.rx_rssi_threshold = 0;
377 setup->v2.rx_ed_threshold = 0;
378 setup->v2.ref_clock = cpu_to_le32(644245094);
379 setup->v2.lpf_bandwidth = cpu_to_le16(65535);
380 setup->v2.osc_start_delay = cpu_to_le16(65535);
381 }
382 p54_tx(priv, skb);
383 return 0;
384 }
385
386 int p54_scan(struct p54_common *priv, u16 mode, u16 dwell)
387 {
388 struct sk_buff *skb;
389 struct p54_hdr *hdr;
390 struct p54_scan_head *head;
391 struct p54_iq_autocal_entry *iq_autocal;
392 union p54_scan_body_union *body;
393 struct p54_scan_tail_rate *rate;
394 struct pda_rssi_cal_entry *rssi;
395 unsigned int i;
396 void *entry;
397 int band = priv->hw->conf.channel->band;
398 __le16 freq = cpu_to_le16(priv->hw->conf.channel->center_freq);
399
400 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*head) +
401 2 + sizeof(*iq_autocal) + sizeof(*body) +
402 sizeof(*rate) + 2 * sizeof(*rssi),
403 P54_CONTROL_TYPE_SCAN, GFP_ATOMIC);
404 if (!skb)
405 return -ENOMEM;
406
407 head = (struct p54_scan_head *) skb_put(skb, sizeof(*head));
408 memset(head->scan_params, 0, sizeof(head->scan_params));
409 head->mode = cpu_to_le16(mode);
410 head->dwell = cpu_to_le16(dwell);
411 head->freq = freq;
412
413 if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) {
414 __le16 *pa_power_points = (__le16 *) skb_put(skb, 2);
415 *pa_power_points = cpu_to_le16(0x0c);
416 }
417
418 iq_autocal = (void *) skb_put(skb, sizeof(*iq_autocal));
419 for (i = 0; i < priv->iq_autocal_len; i++) {
420 if (priv->iq_autocal[i].freq != freq)
421 continue;
422
423 memcpy(iq_autocal, &priv->iq_autocal[i].params,
424 sizeof(struct p54_iq_autocal_entry));
425 break;
426 }
427 if (i == priv->iq_autocal_len)
428 goto err;
429
430 if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW)
431 body = (void *) skb_put(skb, sizeof(body->longbow));
432 else
433 body = (void *) skb_put(skb, sizeof(body->normal));
434
435 for (i = 0; i < priv->output_limit->entries; i++) {
436 __le16 *entry_freq = (void *) (priv->output_limit->data +
437 priv->output_limit->entry_size * i);
438
439 if (*entry_freq != freq)
440 continue;
441
442 if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) {
443 memcpy(&body->longbow.power_limits,
444 (void *) entry_freq + sizeof(__le16),
445 priv->output_limit->entry_size);
446 } else {
447 struct pda_channel_output_limit *limits =
448 (void *) entry_freq;
449
450 body->normal.val_barker = 0x38;
451 body->normal.val_bpsk = body->normal.dup_bpsk =
452 limits->val_bpsk;
453 body->normal.val_qpsk = body->normal.dup_qpsk =
454 limits->val_qpsk;
455 body->normal.val_16qam = body->normal.dup_16qam =
456 limits->val_16qam;
457 body->normal.val_64qam = body->normal.dup_64qam =
458 limits->val_64qam;
459 }
460 break;
461 }
462 if (i == priv->output_limit->entries)
463 goto err;
464
465 entry = (void *)(priv->curve_data->data + priv->curve_data->offset);
466 for (i = 0; i < priv->curve_data->entries; i++) {
467 if (*((__le16 *)entry) != freq) {
468 entry += priv->curve_data->entry_size;
469 continue;
470 }
471
472 if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) {
473 memcpy(&body->longbow.curve_data,
474 (void *) entry + sizeof(__le16),
475 priv->curve_data->entry_size);
476 } else {
477 struct p54_scan_body *chan = &body->normal;
478 struct pda_pa_curve_data *curve_data =
479 (void *) priv->curve_data->data;
480
481 entry += sizeof(__le16);
482 chan->pa_points_per_curve = 8;
483 memset(chan->curve_data, 0, sizeof(*chan->curve_data));
484 memcpy(chan->curve_data, entry,
485 sizeof(struct p54_pa_curve_data_sample) *
486 min((u8)8, curve_data->points_per_channel));
487 }
488 break;
489 }
490 if (i == priv->curve_data->entries)
491 goto err;
492
493 if ((priv->fw_var >= 0x500) && (priv->fw_var < 0x509)) {
494 rate = (void *) skb_put(skb, sizeof(*rate));
495 rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask);
496 for (i = 0; i < sizeof(rate->rts_rates); i++)
497 rate->rts_rates[i] = i;
498 }
499
500 rssi = (struct pda_rssi_cal_entry *) skb_put(skb, sizeof(*rssi));
501 rssi->mul = cpu_to_le16(priv->rssical_db[band].mul);
502 rssi->add = cpu_to_le16(priv->rssical_db[band].add);
503 if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) {
504 /* Longbow frontend needs ever more */
505 rssi = (void *) skb_put(skb, sizeof(*rssi));
506 rssi->mul = cpu_to_le16(priv->rssical_db[band].longbow_unkn);
507 rssi->add = cpu_to_le16(priv->rssical_db[band].longbow_unk2);
508 }
509
510 if (priv->fw_var >= 0x509) {
511 rate = (void *) skb_put(skb, sizeof(*rate));
512 rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask);
513 for (i = 0; i < sizeof(rate->rts_rates); i++)
514 rate->rts_rates[i] = i;
515 }
516
517 hdr = (struct p54_hdr *) skb->data;
518 hdr->len = cpu_to_le16(skb->len - sizeof(*hdr));
519
520 p54_tx(priv, skb);
521 return 0;
522
523 err:
524 printk(KERN_ERR "%s: frequency change to channel %d failed.\n",
525 wiphy_name(priv->hw->wiphy), ieee80211_frequency_to_channel(
526 priv->hw->conf.channel->center_freq));
527
528 dev_kfree_skb_any(skb);
529 return -EINVAL;
530 }
531
532 int p54_set_leds(struct p54_common *priv)
533 {
534 struct sk_buff *skb;
535 struct p54_led *led;
536
537 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*led),
538 P54_CONTROL_TYPE_LED, GFP_ATOMIC);
539 if (unlikely(!skb))
540 return -ENOMEM;
541
542 led = (struct p54_led *) skb_put(skb, sizeof(*led));
543 led->flags = cpu_to_le16(0x0003);
544 led->mask[0] = led->mask[1] = cpu_to_le16(priv->softled_state);
545 led->delay[0] = cpu_to_le16(1);
546 led->delay[1] = cpu_to_le16(0);
547 p54_tx(priv, skb);
548 return 0;
549 }
550
551 int p54_set_edcf(struct p54_common *priv)
552 {
553 struct sk_buff *skb;
554 struct p54_edcf *edcf;
555
556 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*edcf),
557 P54_CONTROL_TYPE_DCFINIT, GFP_ATOMIC);
558 if (unlikely(!skb))
559 return -ENOMEM;
560
561 edcf = (struct p54_edcf *)skb_put(skb, sizeof(*edcf));
562 if (priv->use_short_slot) {
563 edcf->slottime = 9;
564 edcf->sifs = 0x10;
565 edcf->eofpad = 0x00;
566 } else {
567 edcf->slottime = 20;
568 edcf->sifs = 0x0a;
569 edcf->eofpad = 0x06;
570 }
571 /* (see prism54/isl_oid.h for further details) */
572 edcf->frameburst = cpu_to_le16(0);
573 edcf->round_trip_delay = cpu_to_le16(0);
574 edcf->flags = 0;
575 memset(edcf->mapping, 0, sizeof(edcf->mapping));
576 memcpy(edcf->queue, priv->qos_params, sizeof(edcf->queue));
577 p54_tx(priv, skb);
578 return 0;
579 }
580
581 int p54_set_ps(struct p54_common *priv)
582 {
583 struct sk_buff *skb;
584 struct p54_psm *psm;
585 unsigned int i;
586 u16 mode;
587
588 if (priv->hw->conf.flags & IEEE80211_CONF_PS &&
589 !priv->powersave_override)
590 mode = P54_PSM | P54_PSM_BEACON_TIMEOUT | P54_PSM_DTIM |
591 P54_PSM_CHECKSUM | P54_PSM_MCBC;
592 else
593 mode = P54_PSM_CAM;
594
595 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*psm),
596 P54_CONTROL_TYPE_PSM, GFP_ATOMIC);
597 if (!skb)
598 return -ENOMEM;
599
600 psm = (struct p54_psm *)skb_put(skb, sizeof(*psm));
601 psm->mode = cpu_to_le16(mode);
602 psm->aid = cpu_to_le16(priv->aid);
603 for (i = 0; i < ARRAY_SIZE(psm->intervals); i++) {
604 psm->intervals[i].interval =
605 cpu_to_le16(priv->hw->conf.listen_interval);
606 psm->intervals[i].periods = cpu_to_le16(1);
607 }
608
609 psm->beacon_rssi_skip_max = 200;
610 psm->rssi_delta_threshold = 0;
611 psm->nr = 1;
612 psm->exclude[0] = WLAN_EID_TIM;
613
614 p54_tx(priv, skb);
615 return 0;
616 }
617
618 int p54_init_xbow_synth(struct p54_common *priv)
619 {
620 struct sk_buff *skb;
621 struct p54_xbow_synth *xbow;
622
623 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*xbow),
624 P54_CONTROL_TYPE_XBOW_SYNTH_CFG, GFP_KERNEL);
625 if (unlikely(!skb))
626 return -ENOMEM;
627
628 xbow = (struct p54_xbow_synth *)skb_put(skb, sizeof(*xbow));
629 xbow->magic1 = cpu_to_le16(0x1);
630 xbow->magic2 = cpu_to_le16(0x2);
631 xbow->freq = cpu_to_le16(5390);
632 memset(xbow->padding, 0, sizeof(xbow->padding));
633 p54_tx(priv, skb);
634 return 0;
635 }
636
637 int p54_upload_key(struct p54_common *priv, u8 algo, int slot, u8 idx, u8 len,
638 u8 *addr, u8* key)
639 {
640 struct sk_buff *skb;
641 struct p54_keycache *rxkey;
642
643 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*rxkey),
644 P54_CONTROL_TYPE_RX_KEYCACHE, GFP_KERNEL);
645 if (unlikely(!skb))
646 return -ENOMEM;
647
648 rxkey = (struct p54_keycache *)skb_put(skb, sizeof(*rxkey));
649 rxkey->entry = slot;
650 rxkey->key_id = idx;
651 rxkey->key_type = algo;
652 if (addr)
653 memcpy(rxkey->mac, addr, ETH_ALEN);
654 else
655 memset(rxkey->mac, ~0, ETH_ALEN);
656
657 switch (algo) {
658 case P54_CRYPTO_WEP:
659 case P54_CRYPTO_AESCCMP:
660 rxkey->key_len = min_t(u8, 16, len);
661 memcpy(rxkey->key, key, rxkey->key_len);
662 break;
663
664 case P54_CRYPTO_TKIPMICHAEL:
665 rxkey->key_len = 24;
666 memcpy(rxkey->key, key, 16);
667 memcpy(&(rxkey->key[16]), &(key
668 [NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY]), 8);
669 break;
670
671 case P54_CRYPTO_NONE:
672 rxkey->key_len = 0;
673 memset(rxkey->key, 0, sizeof(rxkey->key));
674 break;
675
676 default:
677 printk(KERN_ERR "%s: invalid cryptographic algorithm: %d\n",
678 wiphy_name(priv->hw->wiphy), algo);
679 dev_kfree_skb(skb);
680 return -EINVAL;
681 }
682
683 p54_tx(priv, skb);
684 return 0;
685 }
686
687 int p54_fetch_statistics(struct p54_common *priv)
688 {
689 struct ieee80211_tx_info *txinfo;
690 struct p54_tx_info *p54info;
691 struct sk_buff *skb;
692
693 skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL,
694 sizeof(struct p54_statistics),
695 P54_CONTROL_TYPE_STAT_READBACK, GFP_KERNEL);
696 if (!skb)
697 return -ENOMEM;
698
699 /*
700 * The statistic feedback causes some extra headaches here, if it
701 * is not to crash/corrupt the firmware data structures.
702 *
703 * Unlike all other Control Get OIDs we can not use helpers like
704 * skb_put to reserve the space for the data we're requesting.
705 * Instead the extra frame length -which will hold the results later-
706 * will only be told to the p54_assign_address, so that following
707 * frames won't be placed into the allegedly empty area.
708 */
709 txinfo = IEEE80211_SKB_CB(skb);
710 p54info = (void *) txinfo->rate_driver_data;
711 p54info->extra_len = sizeof(struct p54_statistics);
712
713 p54_tx(priv, skb);
714 return 0;
715 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree