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76074e16 CL |
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> | |
5a0e3ad6 | 20 | #include <linux/slab.h> |
76074e16 CL |
21 | #include <linux/firmware.h> |
22 | #include <linux/etherdevice.h> | |
23 | ||
24 | #include <net/mac80211.h> | |
25 | ||
26 | #include "p54.h" | |
27 | #include "eeprom.h" | |
28 | #include "lmac.h" | |
29 | ||
30 | int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw) | |
31 | { | |
32 | struct p54_common *priv = dev->priv; | |
33 | struct exp_if *exp_if; | |
34 | struct bootrec *bootrec; | |
35 | u32 *data = (u32 *)fw->data; | |
36 | u32 *end_data = (u32 *)fw->data + (fw->size >> 2); | |
37 | u8 *fw_version = NULL; | |
38 | size_t len; | |
39 | int i; | |
40 | int maxlen; | |
41 | ||
42 | if (priv->rx_start) | |
43 | return 0; | |
44 | ||
45 | while (data < end_data && *data) | |
46 | data++; | |
47 | ||
48 | while (data < end_data && !*data) | |
49 | data++; | |
50 | ||
51 | bootrec = (struct bootrec *) data; | |
52 | ||
53 | while (bootrec->data <= end_data && (bootrec->data + | |
54 | (len = le32_to_cpu(bootrec->len))) <= end_data) { | |
55 | u32 code = le32_to_cpu(bootrec->code); | |
56 | switch (code) { | |
57 | case BR_CODE_COMPONENT_ID: | |
58 | priv->fw_interface = be32_to_cpup((__be32 *) | |
59 | bootrec->data); | |
60 | switch (priv->fw_interface) { | |
61 | case FW_LM86: | |
62 | case FW_LM20: | |
63 | case FW_LM87: { | |
64 | char *iftype = (char *)bootrec->data; | |
c96c31e4 JP |
65 | wiphy_info(priv->hw->wiphy, |
66 | "p54 detected a LM%c%c firmware\n", | |
67 | iftype[2], iftype[3]); | |
76074e16 CL |
68 | break; |
69 | } | |
70 | case FW_FMAC: | |
71 | default: | |
c96c31e4 JP |
72 | wiphy_err(priv->hw->wiphy, |
73 | "unsupported firmware\n"); | |
76074e16 CL |
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) | |
c96c31e4 | 127 | wiphy_info(priv->hw->wiphy, |
5db55844 | 128 | "FW rev %s - Softmac protocol %x.%x\n", |
c96c31e4 | 129 | fw_version, priv->fw_var >> 8, priv->fw_var & 0xff); |
76074e16 CL |
130 | |
131 | if (priv->fw_var < 0x500) | |
c96c31e4 JP |
132 | wiphy_info(priv->hw->wiphy, |
133 | "you are using an obsolete firmware. " | |
134 | "visit http://wireless.kernel.org/en/users/Drivers/p54 " | |
135 | "and grab one for \"kernel >= 2.6.28\"!\n"); | |
76074e16 CL |
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 | ||
c96c31e4 JP |
154 | wiphy_info(priv->hw->wiphy, |
155 | "cryptographic accelerator WEP:%s, TKIP:%s, CCMP:%s\n", | |
156 | (priv->privacy_caps & BR_DESC_PRIV_CAP_WEP) ? "YES" : "no", | |
157 | (priv->privacy_caps & | |
158 | (BR_DESC_PRIV_CAP_TKIP | BR_DESC_PRIV_CAP_MICHAEL)) | |
159 | ? "YES" : "no", | |
160 | (priv->privacy_caps & BR_DESC_PRIV_CAP_AESCCMP) | |
161 | ? "YES" : "no"); | |
76074e16 CL |
162 | |
163 | if (priv->rx_keycache_size) { | |
164 | /* | |
165 | * NOTE: | |
166 | * | |
167 | * The firmware provides at most 255 (0 - 254) slots | |
168 | * for keys which are then used to offload decryption. | |
169 | * As a result the 255 entry (aka 0xff) can be used | |
170 | * safely by the driver to mark keys that didn't fit | |
171 | * into the full cache. This trick saves us from | |
172 | * keeping a extra list for uploaded keys. | |
173 | */ | |
174 | ||
175 | priv->used_rxkeys = kzalloc(BITS_TO_LONGS( | |
176 | priv->rx_keycache_size), GFP_KERNEL); | |
177 | ||
178 | if (!priv->used_rxkeys) | |
179 | return -ENOMEM; | |
180 | } | |
181 | ||
182 | return 0; | |
183 | } | |
184 | EXPORT_SYMBOL_GPL(p54_parse_firmware); | |
185 | ||
186 | static struct sk_buff *p54_alloc_skb(struct p54_common *priv, u16 hdr_flags, | |
187 | u16 payload_len, u16 type, gfp_t memflags) | |
188 | { | |
189 | struct p54_hdr *hdr; | |
190 | struct sk_buff *skb; | |
191 | size_t frame_len = sizeof(*hdr) + payload_len; | |
192 | ||
193 | if (frame_len > P54_MAX_CTRL_FRAME_LEN) | |
194 | return NULL; | |
195 | ||
196 | if (unlikely(skb_queue_len(&priv->tx_pending) > 64)) | |
197 | return NULL; | |
198 | ||
199 | skb = __dev_alloc_skb(priv->tx_hdr_len + frame_len, memflags); | |
200 | if (!skb) | |
201 | return NULL; | |
202 | skb_reserve(skb, priv->tx_hdr_len); | |
203 | ||
204 | hdr = (struct p54_hdr *) skb_put(skb, sizeof(*hdr)); | |
205 | hdr->flags = cpu_to_le16(hdr_flags); | |
206 | hdr->len = cpu_to_le16(payload_len); | |
207 | hdr->type = cpu_to_le16(type); | |
208 | hdr->tries = hdr->rts_tries = 0; | |
209 | return skb; | |
210 | } | |
211 | ||
212 | int p54_download_eeprom(struct p54_common *priv, void *buf, | |
213 | u16 offset, u16 len) | |
214 | { | |
215 | struct p54_eeprom_lm86 *eeprom_hdr; | |
216 | struct sk_buff *skb; | |
217 | size_t eeprom_hdr_size; | |
218 | int ret = 0; | |
219 | ||
220 | if (priv->fw_var >= 0x509) | |
221 | eeprom_hdr_size = sizeof(*eeprom_hdr); | |
222 | else | |
223 | eeprom_hdr_size = 0x4; | |
224 | ||
225 | skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL, eeprom_hdr_size + | |
226 | len, P54_CONTROL_TYPE_EEPROM_READBACK, | |
227 | GFP_KERNEL); | |
228 | if (unlikely(!skb)) | |
229 | return -ENOMEM; | |
230 | ||
231 | mutex_lock(&priv->eeprom_mutex); | |
232 | priv->eeprom = buf; | |
233 | eeprom_hdr = (struct p54_eeprom_lm86 *) skb_put(skb, | |
234 | eeprom_hdr_size + len); | |
235 | ||
236 | if (priv->fw_var < 0x509) { | |
237 | eeprom_hdr->v1.offset = cpu_to_le16(offset); | |
238 | eeprom_hdr->v1.len = cpu_to_le16(len); | |
239 | } else { | |
240 | eeprom_hdr->v2.offset = cpu_to_le32(offset); | |
241 | eeprom_hdr->v2.len = cpu_to_le16(len); | |
242 | eeprom_hdr->v2.magic2 = 0xf; | |
243 | memcpy(eeprom_hdr->v2.magic, (const char *)"LOCK", 4); | |
244 | } | |
245 | ||
246 | p54_tx(priv, skb); | |
247 | ||
248 | if (!wait_for_completion_interruptible_timeout( | |
249 | &priv->eeprom_comp, HZ)) { | |
c96c31e4 | 250 | wiphy_err(priv->hw->wiphy, "device does not respond!\n"); |
76074e16 CL |
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; | |
a7eee06b | 295 | u32 _req_id = le32_to_cpu(req_id); |
76074e16 | 296 | |
a7eee06b | 297 | if (unlikely(_req_id < priv->rx_start || _req_id > priv->rx_end)) |
76074e16 CL |
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)); | |
6208f8b2 | 323 | if (!(priv->hw->conf.flags & IEEE80211_CONF_IDLE)) { |
76074e16 CL |
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; | |
6208f8b2 | 351 | } else { |
76074e16 | 352 | mode = P54_FILTER_TYPE_HIBERNATE; |
6208f8b2 | 353 | } |
76074e16 CL |
354 | |
355 | setup->mac_mode = cpu_to_le16(mode); | |
356 | memcpy(setup->mac_addr, priv->mac_addr, ETH_ALEN); | |
357 | memcpy(setup->bssid, priv->bssid, ETH_ALEN); | |
358 | setup->rx_antenna = 2 & priv->rx_diversity_mask; /* automatic */ | |
359 | setup->rx_align = 0; | |
360 | if (priv->fw_var < 0x500) { | |
361 | setup->v1.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); | |
362 | memset(setup->v1.rts_rates, 0, 8); | |
363 | setup->v1.rx_addr = cpu_to_le32(priv->rx_end); | |
364 | setup->v1.max_rx = cpu_to_le16(priv->rx_mtu); | |
365 | setup->v1.rxhw = cpu_to_le16(priv->rxhw); | |
366 | setup->v1.wakeup_timer = cpu_to_le16(priv->wakeup_timer); | |
367 | setup->v1.unalloc0 = cpu_to_le16(0); | |
368 | } else { | |
369 | setup->v2.rx_addr = cpu_to_le32(priv->rx_end); | |
370 | setup->v2.max_rx = cpu_to_le16(priv->rx_mtu); | |
371 | setup->v2.rxhw = cpu_to_le16(priv->rxhw); | |
372 | setup->v2.timer = cpu_to_le16(priv->wakeup_timer); | |
373 | setup->v2.truncate = cpu_to_le16(48896); | |
374 | setup->v2.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); | |
375 | setup->v2.sbss_offset = 0; | |
376 | setup->v2.mcast_window = 0; | |
377 | setup->v2.rx_rssi_threshold = 0; | |
378 | setup->v2.rx_ed_threshold = 0; | |
379 | setup->v2.ref_clock = cpu_to_le32(644245094); | |
380 | setup->v2.lpf_bandwidth = cpu_to_le16(65535); | |
381 | setup->v2.osc_start_delay = cpu_to_le16(65535); | |
382 | } | |
383 | p54_tx(priv, skb); | |
384 | return 0; | |
385 | } | |
386 | ||
387 | int p54_scan(struct p54_common *priv, u16 mode, u16 dwell) | |
388 | { | |
389 | struct sk_buff *skb; | |
390 | struct p54_hdr *hdr; | |
391 | struct p54_scan_head *head; | |
392 | struct p54_iq_autocal_entry *iq_autocal; | |
393 | union p54_scan_body_union *body; | |
394 | struct p54_scan_tail_rate *rate; | |
395 | struct pda_rssi_cal_entry *rssi; | |
396 | unsigned int i; | |
397 | void *entry; | |
398 | int band = priv->hw->conf.channel->band; | |
399 | __le16 freq = cpu_to_le16(priv->hw->conf.channel->center_freq); | |
400 | ||
401 | skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*head) + | |
402 | 2 + sizeof(*iq_autocal) + sizeof(*body) + | |
403 | sizeof(*rate) + 2 * sizeof(*rssi), | |
404 | P54_CONTROL_TYPE_SCAN, GFP_ATOMIC); | |
405 | if (!skb) | |
406 | return -ENOMEM; | |
407 | ||
408 | head = (struct p54_scan_head *) skb_put(skb, sizeof(*head)); | |
409 | memset(head->scan_params, 0, sizeof(head->scan_params)); | |
410 | head->mode = cpu_to_le16(mode); | |
411 | head->dwell = cpu_to_le16(dwell); | |
412 | head->freq = freq; | |
413 | ||
414 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { | |
415 | __le16 *pa_power_points = (__le16 *) skb_put(skb, 2); | |
416 | *pa_power_points = cpu_to_le16(0x0c); | |
417 | } | |
418 | ||
419 | iq_autocal = (void *) skb_put(skb, sizeof(*iq_autocal)); | |
420 | for (i = 0; i < priv->iq_autocal_len; i++) { | |
421 | if (priv->iq_autocal[i].freq != freq) | |
422 | continue; | |
423 | ||
424 | memcpy(iq_autocal, &priv->iq_autocal[i].params, | |
425 | sizeof(struct p54_iq_autocal_entry)); | |
426 | break; | |
427 | } | |
428 | if (i == priv->iq_autocal_len) | |
429 | goto err; | |
430 | ||
431 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) | |
432 | body = (void *) skb_put(skb, sizeof(body->longbow)); | |
433 | else | |
434 | body = (void *) skb_put(skb, sizeof(body->normal)); | |
435 | ||
436 | for (i = 0; i < priv->output_limit->entries; i++) { | |
437 | __le16 *entry_freq = (void *) (priv->output_limit->data + | |
438 | priv->output_limit->entry_size * i); | |
439 | ||
440 | if (*entry_freq != freq) | |
441 | continue; | |
442 | ||
443 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { | |
444 | memcpy(&body->longbow.power_limits, | |
445 | (void *) entry_freq + sizeof(__le16), | |
446 | priv->output_limit->entry_size); | |
447 | } else { | |
448 | struct pda_channel_output_limit *limits = | |
449 | (void *) entry_freq; | |
450 | ||
451 | body->normal.val_barker = 0x38; | |
452 | body->normal.val_bpsk = body->normal.dup_bpsk = | |
453 | limits->val_bpsk; | |
454 | body->normal.val_qpsk = body->normal.dup_qpsk = | |
455 | limits->val_qpsk; | |
456 | body->normal.val_16qam = body->normal.dup_16qam = | |
457 | limits->val_16qam; | |
458 | body->normal.val_64qam = body->normal.dup_64qam = | |
459 | limits->val_64qam; | |
460 | } | |
461 | break; | |
462 | } | |
463 | if (i == priv->output_limit->entries) | |
464 | goto err; | |
465 | ||
466 | entry = (void *)(priv->curve_data->data + priv->curve_data->offset); | |
467 | for (i = 0; i < priv->curve_data->entries; i++) { | |
468 | if (*((__le16 *)entry) != freq) { | |
469 | entry += priv->curve_data->entry_size; | |
470 | continue; | |
471 | } | |
472 | ||
473 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { | |
474 | memcpy(&body->longbow.curve_data, | |
475 | (void *) entry + sizeof(__le16), | |
476 | priv->curve_data->entry_size); | |
477 | } else { | |
478 | struct p54_scan_body *chan = &body->normal; | |
479 | struct pda_pa_curve_data *curve_data = | |
480 | (void *) priv->curve_data->data; | |
481 | ||
482 | entry += sizeof(__le16); | |
483 | chan->pa_points_per_curve = 8; | |
484 | memset(chan->curve_data, 0, sizeof(*chan->curve_data)); | |
485 | memcpy(chan->curve_data, entry, | |
486 | sizeof(struct p54_pa_curve_data_sample) * | |
487 | min((u8)8, curve_data->points_per_channel)); | |
488 | } | |
489 | break; | |
490 | } | |
491 | if (i == priv->curve_data->entries) | |
492 | goto err; | |
493 | ||
494 | if ((priv->fw_var >= 0x500) && (priv->fw_var < 0x509)) { | |
495 | rate = (void *) skb_put(skb, sizeof(*rate)); | |
496 | rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); | |
497 | for (i = 0; i < sizeof(rate->rts_rates); i++) | |
498 | rate->rts_rates[i] = i; | |
499 | } | |
500 | ||
501 | rssi = (struct pda_rssi_cal_entry *) skb_put(skb, sizeof(*rssi)); | |
502 | rssi->mul = cpu_to_le16(priv->rssical_db[band].mul); | |
503 | rssi->add = cpu_to_le16(priv->rssical_db[band].add); | |
504 | if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { | |
505 | /* Longbow frontend needs ever more */ | |
506 | rssi = (void *) skb_put(skb, sizeof(*rssi)); | |
507 | rssi->mul = cpu_to_le16(priv->rssical_db[band].longbow_unkn); | |
508 | rssi->add = cpu_to_le16(priv->rssical_db[band].longbow_unk2); | |
509 | } | |
510 | ||
511 | if (priv->fw_var >= 0x509) { | |
512 | rate = (void *) skb_put(skb, sizeof(*rate)); | |
513 | rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); | |
514 | for (i = 0; i < sizeof(rate->rts_rates); i++) | |
515 | rate->rts_rates[i] = i; | |
516 | } | |
517 | ||
518 | hdr = (struct p54_hdr *) skb->data; | |
519 | hdr->len = cpu_to_le16(skb->len - sizeof(*hdr)); | |
520 | ||
521 | p54_tx(priv, skb); | |
522 | return 0; | |
523 | ||
524 | err: | |
c96c31e4 JP |
525 | wiphy_err(priv->hw->wiphy, "frequency change to channel %d failed.\n", |
526 | ieee80211_frequency_to_channel( | |
527 | priv->hw->conf.channel->center_freq)); | |
76074e16 CL |
528 | |
529 | dev_kfree_skb_any(skb); | |
530 | return -EINVAL; | |
531 | } | |
532 | ||
533 | int p54_set_leds(struct p54_common *priv) | |
534 | { | |
535 | struct sk_buff *skb; | |
536 | struct p54_led *led; | |
537 | ||
538 | skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*led), | |
539 | P54_CONTROL_TYPE_LED, GFP_ATOMIC); | |
540 | if (unlikely(!skb)) | |
541 | return -ENOMEM; | |
542 | ||
543 | led = (struct p54_led *) skb_put(skb, sizeof(*led)); | |
544 | led->flags = cpu_to_le16(0x0003); | |
545 | led->mask[0] = led->mask[1] = cpu_to_le16(priv->softled_state); | |
546 | led->delay[0] = cpu_to_le16(1); | |
547 | led->delay[1] = cpu_to_le16(0); | |
548 | p54_tx(priv, skb); | |
549 | return 0; | |
550 | } | |
551 | ||
552 | int p54_set_edcf(struct p54_common *priv) | |
553 | { | |
554 | struct sk_buff *skb; | |
555 | struct p54_edcf *edcf; | |
556 | ||
557 | skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*edcf), | |
558 | P54_CONTROL_TYPE_DCFINIT, GFP_ATOMIC); | |
559 | if (unlikely(!skb)) | |
560 | return -ENOMEM; | |
561 | ||
562 | edcf = (struct p54_edcf *)skb_put(skb, sizeof(*edcf)); | |
563 | if (priv->use_short_slot) { | |
564 | edcf->slottime = 9; | |
565 | edcf->sifs = 0x10; | |
566 | edcf->eofpad = 0x00; | |
567 | } else { | |
568 | edcf->slottime = 20; | |
569 | edcf->sifs = 0x0a; | |
570 | edcf->eofpad = 0x06; | |
571 | } | |
572 | /* (see prism54/isl_oid.h for further details) */ | |
573 | edcf->frameburst = cpu_to_le16(0); | |
574 | edcf->round_trip_delay = cpu_to_le16(0); | |
575 | edcf->flags = 0; | |
576 | memset(edcf->mapping, 0, sizeof(edcf->mapping)); | |
577 | memcpy(edcf->queue, priv->qos_params, sizeof(edcf->queue)); | |
578 | p54_tx(priv, skb); | |
579 | return 0; | |
580 | } | |
581 | ||
582 | int p54_set_ps(struct p54_common *priv) | |
583 | { | |
584 | struct sk_buff *skb; | |
585 | struct p54_psm *psm; | |
586 | unsigned int i; | |
587 | u16 mode; | |
588 | ||
e0f114e8 CL |
589 | if (priv->hw->conf.flags & IEEE80211_CONF_PS && |
590 | !priv->powersave_override) | |
76074e16 CL |
591 | mode = P54_PSM | P54_PSM_BEACON_TIMEOUT | P54_PSM_DTIM | |
592 | P54_PSM_CHECKSUM | P54_PSM_MCBC; | |
593 | else | |
594 | mode = P54_PSM_CAM; | |
595 | ||
596 | skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*psm), | |
597 | P54_CONTROL_TYPE_PSM, GFP_ATOMIC); | |
598 | if (!skb) | |
599 | return -ENOMEM; | |
600 | ||
601 | psm = (struct p54_psm *)skb_put(skb, sizeof(*psm)); | |
602 | psm->mode = cpu_to_le16(mode); | |
603 | psm->aid = cpu_to_le16(priv->aid); | |
604 | for (i = 0; i < ARRAY_SIZE(psm->intervals); i++) { | |
605 | psm->intervals[i].interval = | |
606 | cpu_to_le16(priv->hw->conf.listen_interval); | |
607 | psm->intervals[i].periods = cpu_to_le16(1); | |
608 | } | |
609 | ||
610 | psm->beacon_rssi_skip_max = 200; | |
611 | psm->rssi_delta_threshold = 0; | |
e0f114e8 CL |
612 | psm->nr = 1; |
613 | psm->exclude[0] = WLAN_EID_TIM; | |
76074e16 CL |
614 | |
615 | p54_tx(priv, skb); | |
616 | return 0; | |
617 | } | |
618 | ||
619 | int p54_init_xbow_synth(struct p54_common *priv) | |
620 | { | |
621 | struct sk_buff *skb; | |
622 | struct p54_xbow_synth *xbow; | |
623 | ||
624 | skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*xbow), | |
625 | P54_CONTROL_TYPE_XBOW_SYNTH_CFG, GFP_KERNEL); | |
626 | if (unlikely(!skb)) | |
627 | return -ENOMEM; | |
628 | ||
629 | xbow = (struct p54_xbow_synth *)skb_put(skb, sizeof(*xbow)); | |
630 | xbow->magic1 = cpu_to_le16(0x1); | |
631 | xbow->magic2 = cpu_to_le16(0x2); | |
632 | xbow->freq = cpu_to_le16(5390); | |
633 | memset(xbow->padding, 0, sizeof(xbow->padding)); | |
634 | p54_tx(priv, skb); | |
635 | return 0; | |
636 | } | |
637 | ||
638 | int p54_upload_key(struct p54_common *priv, u8 algo, int slot, u8 idx, u8 len, | |
639 | u8 *addr, u8* key) | |
640 | { | |
641 | struct sk_buff *skb; | |
642 | struct p54_keycache *rxkey; | |
643 | ||
644 | skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*rxkey), | |
645 | P54_CONTROL_TYPE_RX_KEYCACHE, GFP_KERNEL); | |
646 | if (unlikely(!skb)) | |
647 | return -ENOMEM; | |
648 | ||
649 | rxkey = (struct p54_keycache *)skb_put(skb, sizeof(*rxkey)); | |
650 | rxkey->entry = slot; | |
651 | rxkey->key_id = idx; | |
652 | rxkey->key_type = algo; | |
653 | if (addr) | |
654 | memcpy(rxkey->mac, addr, ETH_ALEN); | |
655 | else | |
656 | memset(rxkey->mac, ~0, ETH_ALEN); | |
657 | ||
658 | switch (algo) { | |
659 | case P54_CRYPTO_WEP: | |
660 | case P54_CRYPTO_AESCCMP: | |
661 | rxkey->key_len = min_t(u8, 16, len); | |
662 | memcpy(rxkey->key, key, rxkey->key_len); | |
663 | break; | |
664 | ||
665 | case P54_CRYPTO_TKIPMICHAEL: | |
666 | rxkey->key_len = 24; | |
667 | memcpy(rxkey->key, key, 16); | |
668 | memcpy(&(rxkey->key[16]), &(key | |
669 | [NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY]), 8); | |
670 | break; | |
671 | ||
672 | case P54_CRYPTO_NONE: | |
673 | rxkey->key_len = 0; | |
674 | memset(rxkey->key, 0, sizeof(rxkey->key)); | |
675 | break; | |
676 | ||
677 | default: | |
c96c31e4 JP |
678 | wiphy_err(priv->hw->wiphy, |
679 | "invalid cryptographic algorithm: %d\n", algo); | |
76074e16 CL |
680 | dev_kfree_skb(skb); |
681 | return -EINVAL; | |
682 | } | |
683 | ||
684 | p54_tx(priv, skb); | |
685 | return 0; | |
686 | } | |
687 | ||
688 | int p54_fetch_statistics(struct p54_common *priv) | |
689 | { | |
436b37c5 CL |
690 | struct ieee80211_tx_info *txinfo; |
691 | struct p54_tx_info *p54info; | |
76074e16 CL |
692 | struct sk_buff *skb; |
693 | ||
694 | skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL, | |
695 | sizeof(struct p54_statistics), | |
696 | P54_CONTROL_TYPE_STAT_READBACK, GFP_KERNEL); | |
697 | if (!skb) | |
698 | return -ENOMEM; | |
699 | ||
436b37c5 CL |
700 | /* |
701 | * The statistic feedback causes some extra headaches here, if it | |
702 | * is not to crash/corrupt the firmware data structures. | |
703 | * | |
704 | * Unlike all other Control Get OIDs we can not use helpers like | |
705 | * skb_put to reserve the space for the data we're requesting. | |
706 | * Instead the extra frame length -which will hold the results later- | |
707 | * will only be told to the p54_assign_address, so that following | |
708 | * frames won't be placed into the allegedly empty area. | |
709 | */ | |
710 | txinfo = IEEE80211_SKB_CB(skb); | |
711 | p54info = (void *) txinfo->rate_driver_data; | |
712 | p54info->extra_len = sizeof(struct p54_statistics); | |
713 | ||
76074e16 CL |
714 | p54_tx(priv, skb); |
715 | return 0; | |
716 | } |