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17
18#define __UNDEF_NO_VERSION__
19#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20
21#include <linux/etherdevice.h>
22#include <linux/sched.h>
23#include <linux/firmware.h>
24#include <linux/interrupt.h>
25#include <linux/module.h>
26#include <linux/bcma/bcma.h>
27#include <net/mac80211.h>
28#include <defs.h>
29#include "phy/phy_int.h"
30#include "d11.h"
31#include "channel.h"
32#include "scb.h"
33#include "pub.h"
34#include "ucode_loader.h"
35#include "mac80211_if.h"
36#include "main.h"
37#include "debug.h"
38#include "led.h"
39
40#define N_TX_QUEUES 4
41#define BRCMS_FLUSH_TIMEOUT 500
42
43
44#define MAC_FILTERS (FIF_ALLMULTI | \
45 FIF_FCSFAIL | \
46 FIF_CONTROL | \
47 FIF_OTHER_BSS | \
48 FIF_BCN_PRBRESP_PROMISC | \
49 FIF_PSPOLL)
50
51#define CHAN2GHZ(channel, freqency, chflags) { \
52 .band = NL80211_BAND_2GHZ, \
53 .center_freq = (freqency), \
54 .hw_value = (channel), \
55 .flags = chflags, \
56 .max_antenna_gain = 0, \
57 .max_power = 19, \
58}
59
60#define CHAN5GHZ(channel, chflags) { \
61 .band = NL80211_BAND_5GHZ, \
62 .center_freq = 5000 + 5*(channel), \
63 .hw_value = (channel), \
64 .flags = chflags, \
65 .max_antenna_gain = 0, \
66 .max_power = 21, \
67}
68
69#define RATE(rate100m, _flags) { \
70 .bitrate = (rate100m), \
71 .flags = (_flags), \
72 .hw_value = (rate100m / 5), \
73}
74
75struct firmware_hdr {
76 __le32 offset;
77 __le32 len;
78 __le32 idx;
79};
80
81static const char * const brcms_firmwares[MAX_FW_IMAGES] = {
82 "brcm/bcm43xx",
83 NULL
84};
85
86static int n_adapters_found;
87
88MODULE_AUTHOR("Broadcom Corporation");
89MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
90MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
91MODULE_LICENSE("Dual BSD/GPL");
92
93MODULE_FIRMWARE("brcm/bcm43xx-0.fw");
94MODULE_FIRMWARE("brcm/bcm43xx_hdr-0.fw");
95
96
97static struct bcma_device_id brcms_coreid_table[] = {
98 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 17, BCMA_ANY_CLASS),
99 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 23, BCMA_ANY_CLASS),
100 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 24, BCMA_ANY_CLASS),
101 {},
102};
103MODULE_DEVICE_TABLE(bcma, brcms_coreid_table);
104
105#if defined(CONFIG_BRCMDBG)
106
107
108
109
110
111module_param_named(debug, brcm_msg_level, uint, 0644);
112#endif
113
114static struct ieee80211_channel brcms_2ghz_chantable[] = {
115 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
116 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
117 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
118 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
119 CHAN2GHZ(5, 2432, 0),
120 CHAN2GHZ(6, 2437, 0),
121 CHAN2GHZ(7, 2442, 0),
122 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
123 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
124 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
125 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
126 CHAN2GHZ(12, 2467,
127 IEEE80211_CHAN_NO_IR |
128 IEEE80211_CHAN_NO_HT40PLUS),
129 CHAN2GHZ(13, 2472,
130 IEEE80211_CHAN_NO_IR |
131 IEEE80211_CHAN_NO_HT40PLUS),
132 CHAN2GHZ(14, 2484,
133 IEEE80211_CHAN_NO_IR |
134 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS |
135 IEEE80211_CHAN_NO_OFDM)
136};
137
138static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
139
140 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
141 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
142 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
143 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
144
145 CHAN5GHZ(52,
146 IEEE80211_CHAN_RADAR |
147 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
148 CHAN5GHZ(56,
149 IEEE80211_CHAN_RADAR |
150 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
151 CHAN5GHZ(60,
152 IEEE80211_CHAN_RADAR |
153 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
154 CHAN5GHZ(64,
155 IEEE80211_CHAN_RADAR |
156 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
157
158 CHAN5GHZ(100,
159 IEEE80211_CHAN_RADAR |
160 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
161 CHAN5GHZ(104,
162 IEEE80211_CHAN_RADAR |
163 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
164 CHAN5GHZ(108,
165 IEEE80211_CHAN_RADAR |
166 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
167 CHAN5GHZ(112,
168 IEEE80211_CHAN_RADAR |
169 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
170 CHAN5GHZ(116,
171 IEEE80211_CHAN_RADAR |
172 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
173 CHAN5GHZ(120,
174 IEEE80211_CHAN_RADAR |
175 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
176 CHAN5GHZ(124,
177 IEEE80211_CHAN_RADAR |
178 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
179 CHAN5GHZ(128,
180 IEEE80211_CHAN_RADAR |
181 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
182 CHAN5GHZ(132,
183 IEEE80211_CHAN_RADAR |
184 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
185 CHAN5GHZ(136,
186 IEEE80211_CHAN_RADAR |
187 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
188 CHAN5GHZ(140,
189 IEEE80211_CHAN_RADAR |
190 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS |
191 IEEE80211_CHAN_NO_HT40MINUS),
192
193 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
194 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
195 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
196 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
197 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
198};
199
200
201
202
203
204static struct ieee80211_rate legacy_ratetable[] = {
205 RATE(10, 0),
206 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
207 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
208 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
209 RATE(60, 0),
210 RATE(90, 0),
211 RATE(120, 0),
212 RATE(180, 0),
213 RATE(240, 0),
214 RATE(360, 0),
215 RATE(480, 0),
216 RATE(540, 0),
217};
218
219static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = {
220 .band = NL80211_BAND_2GHZ,
221 .channels = brcms_2ghz_chantable,
222 .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
223 .bitrates = legacy_ratetable,
224 .n_bitrates = ARRAY_SIZE(legacy_ratetable),
225 .ht_cap = {
226
227 .cap = IEEE80211_HT_CAP_GRN_FLD |
228 IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40,
229 .ht_supported = true,
230 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
231 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
232 .mcs = {
233
234 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
235 .rx_highest = cpu_to_le16(500),
236 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
237 }
238};
239
240static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = {
241 .band = NL80211_BAND_5GHZ,
242 .channels = brcms_5ghz_nphy_chantable,
243 .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
244 .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
245 .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
246 BRCMS_LEGACY_5G_RATE_OFFSET,
247 .ht_cap = {
248 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
249 IEEE80211_HT_CAP_SGI_40,
250 .ht_supported = true,
251 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
252 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
253 .mcs = {
254
255 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
256 .rx_highest = cpu_to_le16(500),
257 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
258 }
259};
260
261
262static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
263{
264 u32 i;
265
266 for (i = 0; i < rs->count; i++) {
267 if (rate != (rs->rates[i] & 0x7f))
268 continue;
269
270 if (is_br)
271 rs->rates[i] |= BRCMS_RATE_FLAG;
272 else
273 rs->rates[i] &= BRCMS_RATE_MASK;
274 return;
275 }
276}
277
278
279
280
281
282
283
284
285
286
287static void brcms_free(struct brcms_info *wl)
288{
289 struct brcms_timer *t, *next;
290
291
292 if (wl->fw.fw_cnt)
293 brcms_ucode_data_free(&wl->ucode);
294 if (wl->irq)
295 free_irq(wl->irq, wl);
296
297
298 tasklet_kill(&wl->tasklet);
299
300 if (wl->pub) {
301 brcms_debugfs_detach(wl->pub);
302 brcms_c_module_unregister(wl->pub, "linux", wl);
303 }
304
305
306 if (wl->wlc) {
307 brcms_c_detach(wl->wlc);
308 wl->wlc = NULL;
309 wl->pub = NULL;
310 }
311
312
313
314
315 while (atomic_read(&wl->callbacks) > 0)
316 schedule();
317
318
319 for (t = wl->timers; t; t = next) {
320 next = t->next;
321#ifdef DEBUG
322 kfree(t->name);
323#endif
324 kfree(t);
325 }
326}
327
328
329
330
331
332static void brcms_remove(struct bcma_device *pdev)
333{
334 struct ieee80211_hw *hw = bcma_get_drvdata(pdev);
335 struct brcms_info *wl = hw->priv;
336
337 if (wl->wlc) {
338 brcms_led_unregister(wl);
339 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
340 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
341 ieee80211_unregister_hw(hw);
342 }
343
344 brcms_free(wl);
345
346 bcma_set_drvdata(pdev, NULL);
347 ieee80211_free_hw(hw);
348}
349
350
351
352
353
354static void brcms_release_fw(struct brcms_info *wl)
355{
356 int i;
357 for (i = 0; i < MAX_FW_IMAGES; i++) {
358 release_firmware(wl->fw.fw_bin[i]);
359 release_firmware(wl->fw.fw_hdr[i]);
360 }
361}
362
363
364
365
366
367static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev)
368{
369 int status;
370 struct device *device = &pdev->dev;
371 char fw_name[100];
372 int i;
373
374 memset(&wl->fw, 0, sizeof(struct brcms_firmware));
375 for (i = 0; i < MAX_FW_IMAGES; i++) {
376 if (brcms_firmwares[i] == NULL)
377 break;
378 sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
379 UCODE_LOADER_API_VER);
380 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
381 if (status) {
382 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
383 KBUILD_MODNAME, fw_name);
384 return status;
385 }
386 sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
387 UCODE_LOADER_API_VER);
388 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
389 if (status) {
390 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
391 KBUILD_MODNAME, fw_name);
392 return status;
393 }
394 wl->fw.hdr_num_entries[i] =
395 wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
396 }
397 wl->fw.fw_cnt = i;
398 status = brcms_ucode_data_init(wl, &wl->ucode);
399 brcms_release_fw(wl);
400 return status;
401}
402
403static void brcms_ops_tx(struct ieee80211_hw *hw,
404 struct ieee80211_tx_control *control,
405 struct sk_buff *skb)
406{
407 struct brcms_info *wl = hw->priv;
408 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
409
410 spin_lock_bh(&wl->lock);
411 if (!wl->pub->up) {
412 brcms_err(wl->wlc->hw->d11core, "ops->tx called while down\n");
413 kfree_skb(skb);
414 goto done;
415 }
416 if (brcms_c_sendpkt_mac80211(wl->wlc, skb, hw))
417 tx_info->rate_driver_data[0] = control->sta;
418 done:
419 spin_unlock_bh(&wl->lock);
420}
421
422static int brcms_ops_start(struct ieee80211_hw *hw)
423{
424 struct brcms_info *wl = hw->priv;
425 bool blocked;
426 int err;
427
428 if (!wl->ucode.bcm43xx_bomminor) {
429 err = brcms_request_fw(wl, wl->wlc->hw->d11core);
430 if (err)
431 return -ENOENT;
432 }
433
434 ieee80211_wake_queues(hw);
435 spin_lock_bh(&wl->lock);
436 blocked = brcms_rfkill_set_hw_state(wl);
437 spin_unlock_bh(&wl->lock);
438 if (!blocked)
439 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
440
441 spin_lock_bh(&wl->lock);
442
443 wl->mute_tx = true;
444
445 if (!wl->pub->up)
446 if (!blocked)
447 err = brcms_up(wl);
448 else
449 err = -ERFKILL;
450 else
451 err = -ENODEV;
452 spin_unlock_bh(&wl->lock);
453
454 if (err != 0)
455 brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n",
456 __func__, err);
457
458 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, true);
459 return err;
460}
461
462static void brcms_ops_stop(struct ieee80211_hw *hw)
463{
464 struct brcms_info *wl = hw->priv;
465 int status;
466
467 ieee80211_stop_queues(hw);
468
469 if (wl->wlc == NULL)
470 return;
471
472 spin_lock_bh(&wl->lock);
473 status = brcms_c_chipmatch(wl->wlc->hw->d11core);
474 spin_unlock_bh(&wl->lock);
475 if (!status) {
476 brcms_err(wl->wlc->hw->d11core,
477 "wl: brcms_ops_stop: chipmatch failed\n");
478 return;
479 }
480
481 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, false);
482
483
484 spin_lock_bh(&wl->lock);
485 brcms_down(wl);
486 spin_unlock_bh(&wl->lock);
487}
488
489static int
490brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
491{
492 struct brcms_info *wl = hw->priv;
493
494
495 if (vif->type != NL80211_IFTYPE_STATION &&
496 vif->type != NL80211_IFTYPE_AP &&
497 vif->type != NL80211_IFTYPE_ADHOC) {
498 brcms_err(wl->wlc->hw->d11core,
499 "%s: Attempt to add type %d, only STA, AP and AdHoc for now\n",
500 __func__, vif->type);
501 return -EOPNOTSUPP;
502 }
503
504 spin_lock_bh(&wl->lock);
505 wl->wlc->vif = vif;
506 wl->mute_tx = false;
507 brcms_c_mute(wl->wlc, false);
508 if (vif->type == NL80211_IFTYPE_STATION)
509 brcms_c_start_station(wl->wlc, vif->addr);
510 else if (vif->type == NL80211_IFTYPE_AP)
511 brcms_c_start_ap(wl->wlc, vif->addr, vif->bss_conf.bssid,
512 vif->bss_conf.ssid, vif->bss_conf.ssid_len);
513 else if (vif->type == NL80211_IFTYPE_ADHOC)
514 brcms_c_start_adhoc(wl->wlc, vif->addr);
515 spin_unlock_bh(&wl->lock);
516
517 return 0;
518}
519
520static void
521brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
522{
523 struct brcms_info *wl = hw->priv;
524
525 spin_lock_bh(&wl->lock);
526 wl->wlc->vif = NULL;
527 spin_unlock_bh(&wl->lock);
528}
529
530static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
531{
532 struct ieee80211_conf *conf = &hw->conf;
533 struct brcms_info *wl = hw->priv;
534 struct bcma_device *core = wl->wlc->hw->d11core;
535 int err = 0;
536 int new_int;
537
538 spin_lock_bh(&wl->lock);
539 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
540 brcms_c_set_beacon_listen_interval(wl->wlc,
541 conf->listen_interval);
542 }
543 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
544 brcms_dbg_info(core, "%s: change monitor mode: %s\n",
545 __func__, conf->flags & IEEE80211_CONF_MONITOR ?
546 "true" : "false");
547 if (changed & IEEE80211_CONF_CHANGE_PS)
548 brcms_err(core, "%s: change power-save mode: %s (implement)\n",
549 __func__, conf->flags & IEEE80211_CONF_PS ?
550 "true" : "false");
551
552 if (changed & IEEE80211_CONF_CHANGE_POWER) {
553 err = brcms_c_set_tx_power(wl->wlc, conf->power_level);
554 if (err < 0) {
555 brcms_err(core, "%s: Error setting power_level\n",
556 __func__);
557 goto config_out;
558 }
559 new_int = brcms_c_get_tx_power(wl->wlc);
560 if (new_int != conf->power_level)
561 brcms_err(core,
562 "%s: Power level req != actual, %d %d\n",
563 __func__, conf->power_level,
564 new_int);
565 }
566 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
567 if (conf->chandef.width == NL80211_CHAN_WIDTH_20 ||
568 conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
569 err = brcms_c_set_channel(wl->wlc,
570 conf->chandef.chan->hw_value);
571 else
572 err = -ENOTSUPP;
573 }
574 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
575 err = brcms_c_set_rate_limit(wl->wlc,
576 conf->short_frame_max_tx_count,
577 conf->long_frame_max_tx_count);
578
579 config_out:
580 spin_unlock_bh(&wl->lock);
581 return err;
582}
583
584static void
585brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
586 struct ieee80211_vif *vif,
587 struct ieee80211_bss_conf *info, u32 changed)
588{
589 struct brcms_info *wl = hw->priv;
590 struct bcma_device *core = wl->wlc->hw->d11core;
591
592 if (changed & BSS_CHANGED_ASSOC) {
593
594
595
596 brcms_err(core, "%s: %s: %sassociated\n", KBUILD_MODNAME,
597 __func__, info->assoc ? "" : "dis");
598 spin_lock_bh(&wl->lock);
599 brcms_c_associate_upd(wl->wlc, info->assoc);
600 spin_unlock_bh(&wl->lock);
601 }
602 if (changed & BSS_CHANGED_ERP_SLOT) {
603 s8 val;
604
605
606 if (info->use_short_slot)
607 val = 1;
608 else
609 val = 0;
610 spin_lock_bh(&wl->lock);
611 brcms_c_set_shortslot_override(wl->wlc, val);
612 spin_unlock_bh(&wl->lock);
613 }
614
615 if (changed & BSS_CHANGED_HT) {
616
617 u16 mode = info->ht_operation_mode;
618
619 spin_lock_bh(&wl->lock);
620 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG,
621 mode & IEEE80211_HT_OP_MODE_PROTECTION);
622 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF,
623 mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
624 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS,
625 mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
626 spin_unlock_bh(&wl->lock);
627 }
628 if (changed & BSS_CHANGED_BASIC_RATES) {
629 struct ieee80211_supported_band *bi;
630 u32 br_mask, i;
631 u16 rate;
632 struct brcm_rateset rs;
633 int error;
634
635
636 spin_lock_bh(&wl->lock);
637 brcms_c_get_current_rateset(wl->wlc, &rs);
638 spin_unlock_bh(&wl->lock);
639
640 br_mask = info->basic_rates;
641 bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)];
642 for (i = 0; i < bi->n_bitrates; i++) {
643
644 rate = (bi->bitrates[i].bitrate << 1) / 10;
645
646
647 brcms_set_basic_rate(&rs, rate, br_mask & 1);
648 br_mask >>= 1;
649 }
650
651
652 spin_lock_bh(&wl->lock);
653 error = brcms_c_set_rateset(wl->wlc, &rs);
654 spin_unlock_bh(&wl->lock);
655 if (error)
656 brcms_err(core, "changing basic rates failed: %d\n",
657 error);
658 }
659 if (changed & BSS_CHANGED_BEACON_INT) {
660
661 spin_lock_bh(&wl->lock);
662 brcms_c_set_beacon_period(wl->wlc, info->beacon_int);
663 spin_unlock_bh(&wl->lock);
664 }
665 if (changed & BSS_CHANGED_BSSID) {
666
667 spin_lock_bh(&wl->lock);
668 brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
669 spin_unlock_bh(&wl->lock);
670 }
671 if (changed & BSS_CHANGED_SSID) {
672
673 spin_lock_bh(&wl->lock);
674 brcms_c_set_ssid(wl->wlc, info->ssid, info->ssid_len);
675 spin_unlock_bh(&wl->lock);
676 }
677 if (changed & BSS_CHANGED_BEACON) {
678
679 struct sk_buff *beacon;
680 u16 tim_offset = 0;
681
682 spin_lock_bh(&wl->lock);
683 beacon = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL);
684 brcms_c_set_new_beacon(wl->wlc, beacon, tim_offset,
685 info->dtim_period);
686 spin_unlock_bh(&wl->lock);
687 }
688
689 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
690 struct sk_buff *probe_resp;
691
692 spin_lock_bh(&wl->lock);
693 probe_resp = ieee80211_proberesp_get(hw, vif);
694 brcms_c_set_new_probe_resp(wl->wlc, probe_resp);
695 spin_unlock_bh(&wl->lock);
696 }
697
698 if (changed & BSS_CHANGED_BEACON_ENABLED) {
699
700 brcms_err(core, "%s: Beacon enabled: %s\n", __func__,
701 info->enable_beacon ? "true" : "false");
702 if (info->enable_beacon &&
703 hw->wiphy->flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) {
704 brcms_c_enable_probe_resp(wl->wlc, true);
705 } else {
706 brcms_c_enable_probe_resp(wl->wlc, false);
707 }
708 }
709
710 if (changed & BSS_CHANGED_CQM) {
711
712 brcms_err(core, "%s: cqm change: threshold %d, hys %d "
713 " (implement)\n", __func__, info->cqm_rssi_thold,
714 info->cqm_rssi_hyst);
715 }
716
717 if (changed & BSS_CHANGED_IBSS) {
718
719 brcms_err(core, "%s: IBSS joined: %s (implement)\n",
720 __func__, info->ibss_joined ? "true" : "false");
721 }
722
723 if (changed & BSS_CHANGED_ARP_FILTER) {
724
725 brcms_err(core, "%s: arp filtering: %d addresses"
726 " (implement)\n", __func__, info->arp_addr_cnt);
727 }
728
729 if (changed & BSS_CHANGED_QOS) {
730
731
732
733
734 brcms_err(core, "%s: qos enabled: %s (implement)\n",
735 __func__, info->qos ? "true" : "false");
736 }
737 return;
738}
739
740static void
741brcms_ops_configure_filter(struct ieee80211_hw *hw,
742 unsigned int changed_flags,
743 unsigned int *total_flags, u64 multicast)
744{
745 struct brcms_info *wl = hw->priv;
746 struct bcma_device *core = wl->wlc->hw->d11core;
747
748 changed_flags &= MAC_FILTERS;
749 *total_flags &= MAC_FILTERS;
750
751 if (changed_flags & FIF_ALLMULTI)
752 brcms_dbg_info(core, "FIF_ALLMULTI\n");
753 if (changed_flags & FIF_FCSFAIL)
754 brcms_dbg_info(core, "FIF_FCSFAIL\n");
755 if (changed_flags & FIF_CONTROL)
756 brcms_dbg_info(core, "FIF_CONTROL\n");
757 if (changed_flags & FIF_OTHER_BSS)
758 brcms_dbg_info(core, "FIF_OTHER_BSS\n");
759 if (changed_flags & FIF_PSPOLL)
760 brcms_dbg_info(core, "FIF_PSPOLL\n");
761 if (changed_flags & FIF_BCN_PRBRESP_PROMISC)
762 brcms_dbg_info(core, "FIF_BCN_PRBRESP_PROMISC\n");
763
764 spin_lock_bh(&wl->lock);
765 brcms_c_mac_promisc(wl->wlc, *total_flags);
766 spin_unlock_bh(&wl->lock);
767 return;
768}
769
770static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw,
771 struct ieee80211_vif *vif,
772 const u8 *mac_addr)
773{
774 struct brcms_info *wl = hw->priv;
775 spin_lock_bh(&wl->lock);
776 brcms_c_scan_start(wl->wlc);
777 spin_unlock_bh(&wl->lock);
778 return;
779}
780
781static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw,
782 struct ieee80211_vif *vif)
783{
784 struct brcms_info *wl = hw->priv;
785 spin_lock_bh(&wl->lock);
786 brcms_c_scan_stop(wl->wlc);
787 spin_unlock_bh(&wl->lock);
788 return;
789}
790
791static int
792brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
793 const struct ieee80211_tx_queue_params *params)
794{
795 struct brcms_info *wl = hw->priv;
796
797 spin_lock_bh(&wl->lock);
798 brcms_c_wme_setparams(wl->wlc, queue, params, true);
799 spin_unlock_bh(&wl->lock);
800
801 return 0;
802}
803
804static int
805brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
806 struct ieee80211_sta *sta)
807{
808 struct brcms_info *wl = hw->priv;
809 struct scb *scb = &wl->wlc->pri_scb;
810
811 brcms_c_init_scb(scb);
812
813 wl->pub->global_ampdu = &(scb->scb_ampdu);
814 wl->pub->global_ampdu->scb = scb;
815 wl->pub->global_ampdu->max_pdu = 16;
816
817
818
819
820
821 return 0;
822}
823
824static int
825brcms_ops_ampdu_action(struct ieee80211_hw *hw,
826 struct ieee80211_vif *vif,
827 struct ieee80211_ampdu_params *params)
828{
829 struct brcms_info *wl = hw->priv;
830 struct scb *scb = &wl->wlc->pri_scb;
831 int status;
832 struct ieee80211_sta *sta = params->sta;
833 enum ieee80211_ampdu_mlme_action action = params->action;
834 u16 tid = params->tid;
835 u8 buf_size = params->buf_size;
836
837 if (WARN_ON(scb->magic != SCB_MAGIC))
838 return -EIDRM;
839 switch (action) {
840 case IEEE80211_AMPDU_RX_START:
841 break;
842 case IEEE80211_AMPDU_RX_STOP:
843 break;
844 case IEEE80211_AMPDU_TX_START:
845 spin_lock_bh(&wl->lock);
846 status = brcms_c_aggregatable(wl->wlc, tid);
847 spin_unlock_bh(&wl->lock);
848 if (!status) {
849 brcms_dbg_ht(wl->wlc->hw->d11core,
850 "START: tid %d is not agg\'able\n", tid);
851 return -EINVAL;
852 }
853 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
854 break;
855
856 case IEEE80211_AMPDU_TX_STOP_CONT:
857 case IEEE80211_AMPDU_TX_STOP_FLUSH:
858 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
859 spin_lock_bh(&wl->lock);
860 brcms_c_ampdu_flush(wl->wlc, sta, tid);
861 spin_unlock_bh(&wl->lock);
862 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
863 break;
864 case IEEE80211_AMPDU_TX_OPERATIONAL:
865
866
867
868
869
870
871 spin_lock_bh(&wl->lock);
872 brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
873 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
874 sta->ht_cap.ampdu_factor)) - 1);
875 spin_unlock_bh(&wl->lock);
876
877 break;
878 default:
879 brcms_err(wl->wlc->hw->d11core,
880 "%s: Invalid command, ignoring\n", __func__);
881 }
882
883 return 0;
884}
885
886static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
887{
888 struct brcms_info *wl = hw->priv;
889 bool blocked;
890
891 spin_lock_bh(&wl->lock);
892 blocked = brcms_c_check_radio_disabled(wl->wlc);
893 spin_unlock_bh(&wl->lock);
894
895 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
896}
897
898static bool brcms_tx_flush_completed(struct brcms_info *wl)
899{
900 bool result;
901
902 spin_lock_bh(&wl->lock);
903 result = brcms_c_tx_flush_completed(wl->wlc);
904 spin_unlock_bh(&wl->lock);
905 return result;
906}
907
908static void brcms_ops_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
909 u32 queues, bool drop)
910{
911 struct brcms_info *wl = hw->priv;
912 int ret;
913
914 no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
915
916 ret = wait_event_timeout(wl->tx_flush_wq,
917 brcms_tx_flush_completed(wl),
918 msecs_to_jiffies(BRCMS_FLUSH_TIMEOUT));
919
920 brcms_dbg_mac80211(wl->wlc->hw->d11core,
921 "ret=%d\n", jiffies_to_msecs(ret));
922}
923
924static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
925{
926 struct brcms_info *wl = hw->priv;
927 u64 tsf;
928
929 spin_lock_bh(&wl->lock);
930 tsf = brcms_c_tsf_get(wl->wlc);
931 spin_unlock_bh(&wl->lock);
932
933 return tsf;
934}
935
936static void brcms_ops_set_tsf(struct ieee80211_hw *hw,
937 struct ieee80211_vif *vif, u64 tsf)
938{
939 struct brcms_info *wl = hw->priv;
940
941 spin_lock_bh(&wl->lock);
942 brcms_c_tsf_set(wl->wlc, tsf);
943 spin_unlock_bh(&wl->lock);
944}
945
946static int brcms_ops_beacon_set_tim(struct ieee80211_hw *hw,
947 struct ieee80211_sta *sta, bool set)
948{
949 struct brcms_info *wl = hw->priv;
950 struct sk_buff *beacon = NULL;
951 u16 tim_offset = 0;
952
953 spin_lock_bh(&wl->lock);
954 if (wl->wlc->vif)
955 beacon = ieee80211_beacon_get_tim(hw, wl->wlc->vif,
956 &tim_offset, NULL);
957 if (beacon)
958 brcms_c_set_new_beacon(wl->wlc, beacon, tim_offset,
959 wl->wlc->vif->bss_conf.dtim_period);
960 spin_unlock_bh(&wl->lock);
961
962 return 0;
963}
964
965static const struct ieee80211_ops brcms_ops = {
966 .tx = brcms_ops_tx,
967 .start = brcms_ops_start,
968 .stop = brcms_ops_stop,
969 .add_interface = brcms_ops_add_interface,
970 .remove_interface = brcms_ops_remove_interface,
971 .config = brcms_ops_config,
972 .bss_info_changed = brcms_ops_bss_info_changed,
973 .configure_filter = brcms_ops_configure_filter,
974 .sw_scan_start = brcms_ops_sw_scan_start,
975 .sw_scan_complete = brcms_ops_sw_scan_complete,
976 .conf_tx = brcms_ops_conf_tx,
977 .sta_add = brcms_ops_sta_add,
978 .ampdu_action = brcms_ops_ampdu_action,
979 .rfkill_poll = brcms_ops_rfkill_poll,
980 .flush = brcms_ops_flush,
981 .get_tsf = brcms_ops_get_tsf,
982 .set_tsf = brcms_ops_set_tsf,
983 .set_tim = brcms_ops_beacon_set_tim,
984};
985
986void brcms_dpc(unsigned long data)
987{
988 struct brcms_info *wl;
989
990 wl = (struct brcms_info *) data;
991
992 spin_lock_bh(&wl->lock);
993
994
995 if (wl->pub->up) {
996 if (wl->resched) {
997 unsigned long flags;
998
999 spin_lock_irqsave(&wl->isr_lock, flags);
1000 brcms_c_intrsupd(wl->wlc);
1001 spin_unlock_irqrestore(&wl->isr_lock, flags);
1002 }
1003
1004 wl->resched = brcms_c_dpc(wl->wlc, true);
1005 }
1006
1007
1008 if (!wl->pub->up)
1009 goto done;
1010
1011
1012 if (wl->resched)
1013 tasklet_schedule(&wl->tasklet);
1014 else
1015
1016 brcms_intrson(wl);
1017
1018 done:
1019 spin_unlock_bh(&wl->lock);
1020 wake_up(&wl->tx_flush_wq);
1021}
1022
1023static irqreturn_t brcms_isr(int irq, void *dev_id)
1024{
1025 struct brcms_info *wl;
1026 irqreturn_t ret = IRQ_NONE;
1027
1028 wl = (struct brcms_info *) dev_id;
1029
1030 spin_lock(&wl->isr_lock);
1031
1032
1033 if (brcms_c_isr(wl->wlc)) {
1034
1035 tasklet_schedule(&wl->tasklet);
1036 ret = IRQ_HANDLED;
1037 }
1038
1039 spin_unlock(&wl->isr_lock);
1040
1041 return ret;
1042}
1043
1044
1045
1046
1047static int ieee_hw_rate_init(struct ieee80211_hw *hw)
1048{
1049 struct brcms_info *wl = hw->priv;
1050 struct brcms_c_info *wlc = wl->wlc;
1051 struct ieee80211_supported_band *band;
1052 int has_5g = 0;
1053 u16 phy_type;
1054
1055 hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL;
1056 hw->wiphy->bands[NL80211_BAND_5GHZ] = NULL;
1057
1058 phy_type = brcms_c_get_phy_type(wl->wlc, 0);
1059 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1060 band = &wlc->bandstate[BAND_2G_INDEX]->band;
1061 *band = brcms_band_2GHz_nphy_template;
1062 if (phy_type == PHY_TYPE_LCN) {
1063
1064 band->ht_cap.mcs.rx_mask[1] = 0;
1065 band->ht_cap.mcs.rx_highest = cpu_to_le16(72);
1066 }
1067 hw->wiphy->bands[NL80211_BAND_2GHZ] = band;
1068 } else {
1069 return -EPERM;
1070 }
1071
1072
1073 if (wl->pub->_nbands > 1) {
1074 has_5g++;
1075 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1076 band = &wlc->bandstate[BAND_5G_INDEX]->band;
1077 *band = brcms_band_5GHz_nphy_template;
1078 hw->wiphy->bands[NL80211_BAND_5GHZ] = band;
1079 } else {
1080 return -EPERM;
1081 }
1082 }
1083 return 0;
1084}
1085
1086
1087
1088
1089static int ieee_hw_init(struct ieee80211_hw *hw)
1090{
1091 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
1092 ieee80211_hw_set(hw, SIGNAL_DBM);
1093 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
1094
1095 hw->extra_tx_headroom = brcms_c_get_header_len();
1096 hw->queues = N_TX_QUEUES;
1097 hw->max_rates = 2;
1098
1099
1100 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1101 BIT(NL80211_IFTYPE_AP) |
1102 BIT(NL80211_IFTYPE_ADHOC);
1103
1104
1105
1106
1107
1108
1109
1110
1111 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
1112
1113 hw->rate_control_algorithm = "minstrel_ht";
1114
1115 hw->sta_data_size = 0;
1116 return ieee_hw_rate_init(hw);
1117}
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127static struct brcms_info *brcms_attach(struct bcma_device *pdev)
1128{
1129 struct brcms_info *wl = NULL;
1130 int unit, err;
1131 struct ieee80211_hw *hw;
1132 u8 perm[ETH_ALEN];
1133
1134 unit = n_adapters_found;
1135 err = 0;
1136
1137 if (unit < 0)
1138 return NULL;
1139
1140
1141 hw = bcma_get_drvdata(pdev);
1142 if (hw != NULL)
1143 wl = hw->priv;
1144 if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
1145 return NULL;
1146 wl->wiphy = hw->wiphy;
1147
1148 atomic_set(&wl->callbacks, 0);
1149
1150 init_waitqueue_head(&wl->tx_flush_wq);
1151
1152
1153 tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
1154
1155 spin_lock_init(&wl->lock);
1156 spin_lock_init(&wl->isr_lock);
1157
1158
1159 wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err);
1160 if (!wl->wlc) {
1161 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
1162 KBUILD_MODNAME, err);
1163 goto fail;
1164 }
1165 wl->pub = brcms_c_pub(wl->wlc);
1166
1167 wl->pub->ieee_hw = hw;
1168
1169
1170 if (request_irq(pdev->irq, brcms_isr,
1171 IRQF_SHARED, KBUILD_MODNAME, wl)) {
1172 wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
1173 goto fail;
1174 }
1175 wl->irq = pdev->irq;
1176
1177
1178 brcms_c_module_register(wl->pub, "linux", wl, NULL);
1179
1180 if (ieee_hw_init(hw)) {
1181 wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
1182 __func__);
1183 goto fail;
1184 }
1185
1186 brcms_c_regd_init(wl->wlc);
1187
1188 memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
1189 if (WARN_ON(!is_valid_ether_addr(perm)))
1190 goto fail;
1191 SET_IEEE80211_PERM_ADDR(hw, perm);
1192
1193 err = ieee80211_register_hw(hw);
1194 if (err)
1195 wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
1196 "%d\n", __func__, err);
1197
1198 if (wl->pub->srom_ccode[0] &&
1199 regulatory_hint(wl->wiphy, wl->pub->srom_ccode))
1200 wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__);
1201
1202 brcms_debugfs_attach(wl->pub);
1203 brcms_debugfs_create_files(wl->pub);
1204 n_adapters_found++;
1205 return wl;
1206
1207fail:
1208 brcms_free(wl);
1209 return NULL;
1210}
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222static int brcms_bcma_probe(struct bcma_device *pdev)
1223{
1224 struct brcms_info *wl;
1225 struct ieee80211_hw *hw;
1226
1227 dev_info(&pdev->dev, "mfg %x core %x rev %d class %d irq %d\n",
1228 pdev->id.manuf, pdev->id.id, pdev->id.rev, pdev->id.class,
1229 pdev->irq);
1230
1231 if ((pdev->id.manuf != BCMA_MANUF_BCM) ||
1232 (pdev->id.id != BCMA_CORE_80211))
1233 return -ENODEV;
1234
1235 hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
1236 if (!hw) {
1237 pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
1238 return -ENOMEM;
1239 }
1240
1241 SET_IEEE80211_DEV(hw, &pdev->dev);
1242
1243 bcma_set_drvdata(pdev, hw);
1244
1245 memset(hw->priv, 0, sizeof(*wl));
1246
1247 wl = brcms_attach(pdev);
1248 if (!wl) {
1249 pr_err("%s: brcms_attach failed!\n", __func__);
1250 return -ENODEV;
1251 }
1252 brcms_led_register(wl);
1253
1254 return 0;
1255}
1256
1257static int brcms_suspend(struct bcma_device *pdev)
1258{
1259 struct brcms_info *wl;
1260 struct ieee80211_hw *hw;
1261
1262 hw = bcma_get_drvdata(pdev);
1263 wl = hw->priv;
1264 if (!wl) {
1265 pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME,
1266 __func__);
1267 return -ENODEV;
1268 }
1269
1270
1271 spin_lock_bh(&wl->lock);
1272 wl->pub->hw_up = false;
1273 spin_unlock_bh(&wl->lock);
1274
1275 brcms_dbg_info(wl->wlc->hw->d11core, "brcms_suspend ok\n");
1276
1277 return 0;
1278}
1279
1280static int brcms_resume(struct bcma_device *pdev)
1281{
1282 return 0;
1283}
1284
1285static struct bcma_driver brcms_bcma_driver = {
1286 .name = KBUILD_MODNAME,
1287 .probe = brcms_bcma_probe,
1288 .suspend = brcms_suspend,
1289 .resume = brcms_resume,
1290 .remove = brcms_remove,
1291 .id_table = brcms_coreid_table,
1292};
1293
1294
1295
1296
1297
1298
1299
1300
1301static void brcms_driver_init(struct work_struct *work)
1302{
1303 int error;
1304
1305 error = bcma_driver_register(&brcms_bcma_driver);
1306 if (error)
1307 pr_err("%s: register returned %d\n", __func__, error);
1308}
1309
1310static DECLARE_WORK(brcms_driver_work, brcms_driver_init);
1311
1312static int __init brcms_module_init(void)
1313{
1314 brcms_debugfs_init();
1315 if (!schedule_work(&brcms_driver_work))
1316 return -EBUSY;
1317
1318 return 0;
1319}
1320
1321
1322
1323
1324
1325
1326
1327
1328static void __exit brcms_module_exit(void)
1329{
1330 cancel_work_sync(&brcms_driver_work);
1331 bcma_driver_unregister(&brcms_bcma_driver);
1332 brcms_debugfs_exit();
1333}
1334
1335module_init(brcms_module_init);
1336module_exit(brcms_module_exit);
1337
1338
1339
1340
1341void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
1342 bool state, int prio)
1343{
1344 brcms_err(wl->wlc->hw->d11core, "Shouldn't be here %s\n", __func__);
1345}
1346
1347
1348
1349
1350void brcms_init(struct brcms_info *wl)
1351{
1352 brcms_dbg_info(wl->wlc->hw->d11core, "Initializing wl%d\n",
1353 wl->pub->unit);
1354 brcms_reset(wl);
1355 brcms_c_init(wl->wlc, wl->mute_tx);
1356}
1357
1358
1359
1360
1361uint brcms_reset(struct brcms_info *wl)
1362{
1363 brcms_dbg_info(wl->wlc->hw->d11core, "Resetting wl%d\n", wl->pub->unit);
1364 brcms_c_reset(wl->wlc);
1365
1366
1367 wl->resched = false;
1368
1369
1370 wl->pub->up = false;
1371
1372 return 0;
1373}
1374
1375void brcms_fatal_error(struct brcms_info *wl)
1376{
1377 brcms_err(wl->wlc->hw->d11core, "wl%d: fatal error, reinitializing\n",
1378 wl->wlc->pub->unit);
1379 brcms_reset(wl);
1380 ieee80211_restart_hw(wl->pub->ieee_hw);
1381}
1382
1383
1384
1385
1386
1387void brcms_intrson(struct brcms_info *wl)
1388{
1389 unsigned long flags;
1390
1391 spin_lock_irqsave(&wl->isr_lock, flags);
1392 brcms_c_intrson(wl->wlc);
1393 spin_unlock_irqrestore(&wl->isr_lock, flags);
1394}
1395
1396u32 brcms_intrsoff(struct brcms_info *wl)
1397{
1398 unsigned long flags;
1399 u32 status;
1400
1401 spin_lock_irqsave(&wl->isr_lock, flags);
1402 status = brcms_c_intrsoff(wl->wlc);
1403 spin_unlock_irqrestore(&wl->isr_lock, flags);
1404 return status;
1405}
1406
1407void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
1408{
1409 unsigned long flags;
1410
1411 spin_lock_irqsave(&wl->isr_lock, flags);
1412 brcms_c_intrsrestore(wl->wlc, macintmask);
1413 spin_unlock_irqrestore(&wl->isr_lock, flags);
1414}
1415
1416
1417
1418
1419int brcms_up(struct brcms_info *wl)
1420{
1421 int error = 0;
1422
1423 if (wl->pub->up)
1424 return 0;
1425
1426 error = brcms_c_up(wl->wlc);
1427
1428 return error;
1429}
1430
1431
1432
1433
1434void brcms_down(struct brcms_info *wl)
1435{
1436 uint callbacks, ret_val = 0;
1437
1438
1439 ret_val = brcms_c_down(wl->wlc);
1440 callbacks = atomic_read(&wl->callbacks) - ret_val;
1441
1442
1443 spin_unlock_bh(&wl->lock);
1444
1445
1446
1447
1448 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1449
1450 spin_lock_bh(&wl->lock);
1451}
1452
1453
1454
1455
1456static void _brcms_timer(struct work_struct *work)
1457{
1458 struct brcms_timer *t = container_of(work, struct brcms_timer,
1459 dly_wrk.work);
1460
1461 spin_lock_bh(&t->wl->lock);
1462
1463 if (t->set) {
1464 if (t->periodic) {
1465 atomic_inc(&t->wl->callbacks);
1466 ieee80211_queue_delayed_work(t->wl->pub->ieee_hw,
1467 &t->dly_wrk,
1468 msecs_to_jiffies(t->ms));
1469 } else {
1470 t->set = false;
1471 }
1472
1473 t->fn(t->arg);
1474 }
1475
1476 atomic_dec(&t->wl->callbacks);
1477
1478 spin_unlock_bh(&t->wl->lock);
1479}
1480
1481
1482
1483
1484
1485
1486
1487struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
1488 void (*fn) (void *arg),
1489 void *arg, const char *name)
1490{
1491 struct brcms_timer *t;
1492
1493 t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
1494 if (!t)
1495 return NULL;
1496
1497 INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer);
1498 t->wl = wl;
1499 t->fn = fn;
1500 t->arg = arg;
1501 t->next = wl->timers;
1502 wl->timers = t;
1503
1504#ifdef DEBUG
1505 t->name = kstrdup(name, GFP_ATOMIC);
1506#endif
1507
1508 return t;
1509}
1510
1511
1512
1513
1514
1515
1516
1517void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
1518{
1519 struct ieee80211_hw *hw = t->wl->pub->ieee_hw;
1520
1521#ifdef DEBUG
1522 if (t->set)
1523 brcms_dbg_info(t->wl->wlc->hw->d11core,
1524 "%s: Already set. Name: %s, per %d\n",
1525 __func__, t->name, periodic);
1526#endif
1527 t->ms = ms;
1528 t->periodic = (bool) periodic;
1529 if (!t->set) {
1530 t->set = true;
1531 atomic_inc(&t->wl->callbacks);
1532 }
1533
1534 ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
1535}
1536
1537
1538
1539
1540
1541
1542bool brcms_del_timer(struct brcms_timer *t)
1543{
1544 if (t->set) {
1545 t->set = false;
1546 if (!cancel_delayed_work(&t->dly_wrk))
1547 return false;
1548
1549 atomic_dec(&t->wl->callbacks);
1550 }
1551
1552 return true;
1553}
1554
1555
1556
1557
1558void brcms_free_timer(struct brcms_timer *t)
1559{
1560 struct brcms_info *wl = t->wl;
1561 struct brcms_timer *tmp;
1562
1563
1564 brcms_del_timer(t);
1565
1566 if (wl->timers == t) {
1567 wl->timers = wl->timers->next;
1568#ifdef DEBUG
1569 kfree(t->name);
1570#endif
1571 kfree(t);
1572 return;
1573
1574 }
1575
1576 tmp = wl->timers;
1577 while (tmp) {
1578 if (tmp->next == t) {
1579 tmp->next = t->next;
1580#ifdef DEBUG
1581 kfree(t->name);
1582#endif
1583 kfree(t);
1584 return;
1585 }
1586 tmp = tmp->next;
1587 }
1588
1589}
1590
1591
1592
1593
1594int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
1595{
1596 int i, entry;
1597 const u8 *pdata;
1598 struct firmware_hdr *hdr;
1599 for (i = 0; i < wl->fw.fw_cnt; i++) {
1600 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1601 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1602 entry++, hdr++) {
1603 u32 len = le32_to_cpu(hdr->len);
1604 if (le32_to_cpu(hdr->idx) == idx) {
1605 pdata = wl->fw.fw_bin[i]->data +
1606 le32_to_cpu(hdr->offset);
1607 *pbuf = kvmalloc(len, GFP_KERNEL);
1608 if (*pbuf == NULL)
1609 goto fail;
1610 memcpy(*pbuf, pdata, len);
1611 return 0;
1612 }
1613 }
1614 }
1615 brcms_err(wl->wlc->hw->d11core,
1616 "ERROR: ucode buf tag:%d can not be found!\n", idx);
1617 *pbuf = NULL;
1618fail:
1619 return -ENODATA;
1620}
1621
1622
1623
1624
1625
1626int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx)
1627{
1628 int i, entry;
1629 const u8 *pdata;
1630 struct firmware_hdr *hdr;
1631 for (i = 0; i < wl->fw.fw_cnt; i++) {
1632 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1633 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1634 entry++, hdr++) {
1635 if (le32_to_cpu(hdr->idx) == idx) {
1636 pdata = wl->fw.fw_bin[i]->data +
1637 le32_to_cpu(hdr->offset);
1638 if (le32_to_cpu(hdr->len) != 4) {
1639 brcms_err(wl->wlc->hw->d11core,
1640 "ERROR: fw hdr len\n");
1641 return -ENOMSG;
1642 }
1643 *n_bytes = le32_to_cpu(*((__le32 *) pdata));
1644 return 0;
1645 }
1646 }
1647 }
1648 brcms_err(wl->wlc->hw->d11core,
1649 "ERROR: ucode tag:%d can not be found!\n", idx);
1650 return -ENOMSG;
1651}
1652
1653
1654
1655
1656void brcms_ucode_free_buf(void *p)
1657{
1658 kvfree(p);
1659}
1660
1661
1662
1663
1664
1665
1666
1667int brcms_check_firmwares(struct brcms_info *wl)
1668{
1669 int i;
1670 int entry;
1671 int rc = 0;
1672 const struct firmware *fw;
1673 const struct firmware *fw_hdr;
1674 struct firmware_hdr *ucode_hdr;
1675 for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
1676 fw = wl->fw.fw_bin[i];
1677 fw_hdr = wl->fw.fw_hdr[i];
1678 if (fw == NULL && fw_hdr == NULL) {
1679 break;
1680 } else if (fw == NULL || fw_hdr == NULL) {
1681 wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
1682 __func__);
1683 rc = -EBADF;
1684 } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
1685 wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
1686 "size %zu/%zu\n", __func__, fw_hdr->size,
1687 sizeof(struct firmware_hdr));
1688 rc = -EBADF;
1689 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1690 wiphy_err(wl->wiphy, "%s: out of bounds fw file size %zu\n",
1691 __func__, fw->size);
1692 rc = -EBADF;
1693 } else {
1694
1695 ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
1696 for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1697 !rc; entry++, ucode_hdr++) {
1698 if (le32_to_cpu(ucode_hdr->offset) +
1699 le32_to_cpu(ucode_hdr->len) >
1700 fw->size) {
1701 wiphy_err(wl->wiphy,
1702 "%s: conflicting bin/hdr\n",
1703 __func__);
1704 rc = -EBADF;
1705 }
1706 }
1707 }
1708 }
1709 if (rc == 0 && wl->fw.fw_cnt != i) {
1710 wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
1711 wl->fw.fw_cnt);
1712 rc = -EBADF;
1713 }
1714 return rc;
1715}
1716
1717
1718
1719
1720bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
1721{
1722 bool blocked = brcms_c_check_radio_disabled(wl->wlc);
1723
1724 spin_unlock_bh(&wl->lock);
1725 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1726 if (blocked)
1727 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1728 spin_lock_bh(&wl->lock);
1729 return blocked;
1730}
1731
