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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_PROMISC_IN_BSS | \
45 FIF_ALLMULTI | \
46 FIF_FCSFAIL | \
47 FIF_CONTROL | \
48 FIF_OTHER_BSS | \
49 FIF_BCN_PRBRESP_PROMISC | \
50 FIF_PSPOLL)
51
52#define CHAN2GHZ(channel, freqency, chflags) { \
53 .band = IEEE80211_BAND_2GHZ, \
54 .center_freq = (freqency), \
55 .hw_value = (channel), \
56 .flags = chflags, \
57 .max_antenna_gain = 0, \
58 .max_power = 19, \
59}
60
61#define CHAN5GHZ(channel, chflags) { \
62 .band = IEEE80211_BAND_5GHZ, \
63 .center_freq = 5000 + 5*(channel), \
64 .hw_value = (channel), \
65 .flags = chflags, \
66 .max_antenna_gain = 0, \
67 .max_power = 21, \
68}
69
70#define RATE(rate100m, _flags) { \
71 .bitrate = (rate100m), \
72 .flags = (_flags), \
73 .hw_value = (rate100m / 5), \
74}
75
76struct firmware_hdr {
77 __le32 offset;
78 __le32 len;
79 __le32 idx;
80};
81
82static const char * const brcms_firmwares[MAX_FW_IMAGES] = {
83 "brcm/bcm43xx",
84 NULL
85};
86
87static int n_adapters_found;
88
89MODULE_AUTHOR("Broadcom Corporation");
90MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
91MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
92MODULE_LICENSE("Dual BSD/GPL");
93
94MODULE_FIRMWARE("brcm/bcm43xx-0.fw");
95MODULE_FIRMWARE("brcm/bcm43xx_hdr-0.fw");
96
97
98static struct bcma_device_id brcms_coreid_table[] = {
99 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 17, BCMA_ANY_CLASS),
100 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 23, BCMA_ANY_CLASS),
101 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 24, BCMA_ANY_CLASS),
102 BCMA_CORETABLE_END
103};
104MODULE_DEVICE_TABLE(bcma, brcms_coreid_table);
105
106#if defined(CONFIG_BRCMDBG)
107
108
109
110
111
112module_param_named(debug, brcm_msg_level, uint, S_IRUGO | S_IWUSR);
113#endif
114
115static struct ieee80211_channel brcms_2ghz_chantable[] = {
116 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
117 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
118 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
119 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
120 CHAN2GHZ(5, 2432, 0),
121 CHAN2GHZ(6, 2437, 0),
122 CHAN2GHZ(7, 2442, 0),
123 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
124 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
125 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
126 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
127 CHAN2GHZ(12, 2467,
128 IEEE80211_CHAN_NO_IR |
129 IEEE80211_CHAN_NO_HT40PLUS),
130 CHAN2GHZ(13, 2472,
131 IEEE80211_CHAN_NO_IR |
132 IEEE80211_CHAN_NO_HT40PLUS),
133 CHAN2GHZ(14, 2484,
134 IEEE80211_CHAN_NO_IR |
135 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS |
136 IEEE80211_CHAN_NO_OFDM)
137};
138
139static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
140
141 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
142 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
143 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
144 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
145
146 CHAN5GHZ(52,
147 IEEE80211_CHAN_RADAR |
148 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
149 CHAN5GHZ(56,
150 IEEE80211_CHAN_RADAR |
151 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
152 CHAN5GHZ(60,
153 IEEE80211_CHAN_RADAR |
154 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
155 CHAN5GHZ(64,
156 IEEE80211_CHAN_RADAR |
157 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
158
159 CHAN5GHZ(100,
160 IEEE80211_CHAN_RADAR |
161 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
162 CHAN5GHZ(104,
163 IEEE80211_CHAN_RADAR |
164 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
165 CHAN5GHZ(108,
166 IEEE80211_CHAN_RADAR |
167 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
168 CHAN5GHZ(112,
169 IEEE80211_CHAN_RADAR |
170 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
171 CHAN5GHZ(116,
172 IEEE80211_CHAN_RADAR |
173 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
174 CHAN5GHZ(120,
175 IEEE80211_CHAN_RADAR |
176 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
177 CHAN5GHZ(124,
178 IEEE80211_CHAN_RADAR |
179 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
180 CHAN5GHZ(128,
181 IEEE80211_CHAN_RADAR |
182 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
183 CHAN5GHZ(132,
184 IEEE80211_CHAN_RADAR |
185 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
186 CHAN5GHZ(136,
187 IEEE80211_CHAN_RADAR |
188 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
189 CHAN5GHZ(140,
190 IEEE80211_CHAN_RADAR |
191 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS |
192 IEEE80211_CHAN_NO_HT40MINUS),
193
194 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
195 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
196 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
197 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
198 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
199};
200
201
202
203
204
205static struct ieee80211_rate legacy_ratetable[] = {
206 RATE(10, 0),
207 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
208 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
209 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
210 RATE(60, 0),
211 RATE(90, 0),
212 RATE(120, 0),
213 RATE(180, 0),
214 RATE(240, 0),
215 RATE(360, 0),
216 RATE(480, 0),
217 RATE(540, 0),
218};
219
220static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = {
221 .band = IEEE80211_BAND_2GHZ,
222 .channels = brcms_2ghz_chantable,
223 .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
224 .bitrates = legacy_ratetable,
225 .n_bitrates = ARRAY_SIZE(legacy_ratetable),
226 .ht_cap = {
227
228 .cap = IEEE80211_HT_CAP_GRN_FLD |
229 IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40,
230 .ht_supported = true,
231 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
232 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
233 .mcs = {
234
235 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
236 .rx_highest = cpu_to_le16(500),
237 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
238 }
239};
240
241static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = {
242 .band = IEEE80211_BAND_5GHZ,
243 .channels = brcms_5ghz_nphy_chantable,
244 .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
245 .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
246 .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
247 BRCMS_LEGACY_5G_RATE_OFFSET,
248 .ht_cap = {
249 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
250 IEEE80211_HT_CAP_SGI_40,
251 .ht_supported = true,
252 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
253 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
254 .mcs = {
255
256 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
257 .rx_highest = cpu_to_le16(500),
258 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
259 }
260};
261
262
263static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
264{
265 u32 i;
266
267 for (i = 0; i < rs->count; i++) {
268 if (rate != (rs->rates[i] & 0x7f))
269 continue;
270
271 if (is_br)
272 rs->rates[i] |= BRCMS_RATE_FLAG;
273 else
274 rs->rates[i] &= BRCMS_RATE_MASK;
275 return;
276 }
277}
278
279
280
281
282
283
284
285
286
287
288static void brcms_free(struct brcms_info *wl)
289{
290 struct brcms_timer *t, *next;
291
292
293 if (wl->fw.fw_cnt)
294 brcms_ucode_data_free(&wl->ucode);
295 if (wl->irq)
296 free_irq(wl->irq, wl);
297
298
299 tasklet_kill(&wl->tasklet);
300
301 if (wl->pub) {
302 brcms_debugfs_detach(wl->pub);
303 brcms_c_module_unregister(wl->pub, "linux", wl);
304 }
305
306
307 if (wl->wlc) {
308 brcms_c_detach(wl->wlc);
309 wl->wlc = NULL;
310 wl->pub = NULL;
311 }
312
313
314
315
316 while (atomic_read(&wl->callbacks) > 0)
317 schedule();
318
319
320 for (t = wl->timers; t; t = next) {
321 next = t->next;
322#ifdef DEBUG
323 kfree(t->name);
324#endif
325 kfree(t);
326 }
327}
328
329
330
331
332
333static void brcms_remove(struct bcma_device *pdev)
334{
335 struct ieee80211_hw *hw = bcma_get_drvdata(pdev);
336 struct brcms_info *wl = hw->priv;
337
338 if (wl->wlc) {
339 brcms_led_unregister(wl);
340 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
341 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
342 ieee80211_unregister_hw(hw);
343 }
344
345 brcms_free(wl);
346
347 bcma_set_drvdata(pdev, NULL);
348 ieee80211_free_hw(hw);
349}
350
351
352
353
354
355static void brcms_release_fw(struct brcms_info *wl)
356{
357 int i;
358 for (i = 0; i < MAX_FW_IMAGES; i++) {
359 release_firmware(wl->fw.fw_bin[i]);
360 release_firmware(wl->fw.fw_hdr[i]);
361 }
362}
363
364
365
366
367
368static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev)
369{
370 int status;
371 struct device *device = &pdev->dev;
372 char fw_name[100];
373 int i;
374
375 memset(&wl->fw, 0, sizeof(struct brcms_firmware));
376 for (i = 0; i < MAX_FW_IMAGES; i++) {
377 if (brcms_firmwares[i] == NULL)
378 break;
379 sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
380 UCODE_LOADER_API_VER);
381 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
382 if (status) {
383 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
384 KBUILD_MODNAME, fw_name);
385 return status;
386 }
387 sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
388 UCODE_LOADER_API_VER);
389 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
390 if (status) {
391 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
392 KBUILD_MODNAME, fw_name);
393 return status;
394 }
395 wl->fw.hdr_num_entries[i] =
396 wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
397 }
398 wl->fw.fw_cnt = i;
399 status = brcms_ucode_data_init(wl, &wl->ucode);
400 brcms_release_fw(wl);
401 return status;
402}
403
404static void brcms_ops_tx(struct ieee80211_hw *hw,
405 struct ieee80211_tx_control *control,
406 struct sk_buff *skb)
407{
408 struct brcms_info *wl = hw->priv;
409 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
410
411 spin_lock_bh(&wl->lock);
412 if (!wl->pub->up) {
413 brcms_err(wl->wlc->hw->d11core, "ops->tx called while down\n");
414 kfree_skb(skb);
415 goto done;
416 }
417 if (brcms_c_sendpkt_mac80211(wl->wlc, skb, hw))
418 tx_info->rate_driver_data[0] = control->sta;
419 done:
420 spin_unlock_bh(&wl->lock);
421}
422
423static int brcms_ops_start(struct ieee80211_hw *hw)
424{
425 struct brcms_info *wl = hw->priv;
426 bool blocked;
427 int err;
428
429 if (!wl->ucode.bcm43xx_bomminor) {
430 err = brcms_request_fw(wl, wl->wlc->hw->d11core);
431 if (err)
432 return -ENOENT;
433 }
434
435 ieee80211_wake_queues(hw);
436 spin_lock_bh(&wl->lock);
437 blocked = brcms_rfkill_set_hw_state(wl);
438 spin_unlock_bh(&wl->lock);
439 if (!blocked)
440 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
441
442 spin_lock_bh(&wl->lock);
443
444 wl->mute_tx = true;
445
446 if (!wl->pub->up)
447 if (!blocked)
448 err = brcms_up(wl);
449 else
450 err = -ERFKILL;
451 else
452 err = -ENODEV;
453 spin_unlock_bh(&wl->lock);
454
455 if (err != 0)
456 brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n",
457 __func__, err);
458
459 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, true);
460 return err;
461}
462
463static void brcms_ops_stop(struct ieee80211_hw *hw)
464{
465 struct brcms_info *wl = hw->priv;
466 int status;
467
468 ieee80211_stop_queues(hw);
469
470 if (wl->wlc == NULL)
471 return;
472
473 spin_lock_bh(&wl->lock);
474 status = brcms_c_chipmatch(wl->wlc->hw->d11core);
475 spin_unlock_bh(&wl->lock);
476 if (!status) {
477 brcms_err(wl->wlc->hw->d11core,
478 "wl: brcms_ops_stop: chipmatch failed\n");
479 return;
480 }
481
482 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, false);
483
484
485 spin_lock_bh(&wl->lock);
486 brcms_down(wl);
487 spin_unlock_bh(&wl->lock);
488}
489
490static int
491brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
492{
493 struct brcms_info *wl = hw->priv;
494
495
496 if (vif->type != NL80211_IFTYPE_STATION &&
497 vif->type != NL80211_IFTYPE_AP &&
498 vif->type != NL80211_IFTYPE_ADHOC) {
499 brcms_err(wl->wlc->hw->d11core,
500 "%s: Attempt to add type %d, only STA, AP and AdHoc for now\n",
501 __func__, vif->type);
502 return -EOPNOTSUPP;
503 }
504
505 spin_lock_bh(&wl->lock);
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}
524
525static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
526{
527 struct ieee80211_conf *conf = &hw->conf;
528 struct brcms_info *wl = hw->priv;
529 struct bcma_device *core = wl->wlc->hw->d11core;
530 int err = 0;
531 int new_int;
532
533 spin_lock_bh(&wl->lock);
534 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
535 brcms_c_set_beacon_listen_interval(wl->wlc,
536 conf->listen_interval);
537 }
538 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
539 brcms_dbg_info(core, "%s: change monitor mode: %s\n",
540 __func__, conf->flags & IEEE80211_CONF_MONITOR ?
541 "true" : "false");
542 if (changed & IEEE80211_CONF_CHANGE_PS)
543 brcms_err(core, "%s: change power-save mode: %s (implement)\n",
544 __func__, conf->flags & IEEE80211_CONF_PS ?
545 "true" : "false");
546
547 if (changed & IEEE80211_CONF_CHANGE_POWER) {
548 err = brcms_c_set_tx_power(wl->wlc, conf->power_level);
549 if (err < 0) {
550 brcms_err(core, "%s: Error setting power_level\n",
551 __func__);
552 goto config_out;
553 }
554 new_int = brcms_c_get_tx_power(wl->wlc);
555 if (new_int != conf->power_level)
556 brcms_err(core,
557 "%s: Power level req != actual, %d %d\n",
558 __func__, conf->power_level,
559 new_int);
560 }
561 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
562 if (conf->chandef.width == NL80211_CHAN_WIDTH_20 ||
563 conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
564 err = brcms_c_set_channel(wl->wlc,
565 conf->chandef.chan->hw_value);
566 else
567 err = -ENOTSUPP;
568 }
569 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
570 err = brcms_c_set_rate_limit(wl->wlc,
571 conf->short_frame_max_tx_count,
572 conf->long_frame_max_tx_count);
573
574 config_out:
575 spin_unlock_bh(&wl->lock);
576 return err;
577}
578
579static void
580brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
581 struct ieee80211_vif *vif,
582 struct ieee80211_bss_conf *info, u32 changed)
583{
584 struct brcms_info *wl = hw->priv;
585 struct bcma_device *core = wl->wlc->hw->d11core;
586
587 if (changed & BSS_CHANGED_ASSOC) {
588
589
590
591 brcms_err(core, "%s: %s: %sassociated\n", KBUILD_MODNAME,
592 __func__, info->assoc ? "" : "dis");
593 spin_lock_bh(&wl->lock);
594 brcms_c_associate_upd(wl->wlc, info->assoc);
595 spin_unlock_bh(&wl->lock);
596 }
597 if (changed & BSS_CHANGED_ERP_SLOT) {
598 s8 val;
599
600
601 if (info->use_short_slot)
602 val = 1;
603 else
604 val = 0;
605 spin_lock_bh(&wl->lock);
606 brcms_c_set_shortslot_override(wl->wlc, val);
607 spin_unlock_bh(&wl->lock);
608 }
609
610 if (changed & BSS_CHANGED_HT) {
611
612 u16 mode = info->ht_operation_mode;
613
614 spin_lock_bh(&wl->lock);
615 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG,
616 mode & IEEE80211_HT_OP_MODE_PROTECTION);
617 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF,
618 mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
619 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS,
620 mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
621 spin_unlock_bh(&wl->lock);
622 }
623 if (changed & BSS_CHANGED_BASIC_RATES) {
624 struct ieee80211_supported_band *bi;
625 u32 br_mask, i;
626 u16 rate;
627 struct brcm_rateset rs;
628 int error;
629
630
631 spin_lock_bh(&wl->lock);
632 brcms_c_get_current_rateset(wl->wlc, &rs);
633 spin_unlock_bh(&wl->lock);
634
635 br_mask = info->basic_rates;
636 bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)];
637 for (i = 0; i < bi->n_bitrates; i++) {
638
639 rate = (bi->bitrates[i].bitrate << 1) / 10;
640
641
642 brcms_set_basic_rate(&rs, rate, br_mask & 1);
643 br_mask >>= 1;
644 }
645
646
647 spin_lock_bh(&wl->lock);
648 error = brcms_c_set_rateset(wl->wlc, &rs);
649 spin_unlock_bh(&wl->lock);
650 if (error)
651 brcms_err(core, "changing basic rates failed: %d\n",
652 error);
653 }
654 if (changed & BSS_CHANGED_BEACON_INT) {
655
656 spin_lock_bh(&wl->lock);
657 brcms_c_set_beacon_period(wl->wlc, info->beacon_int);
658 spin_unlock_bh(&wl->lock);
659 }
660 if (changed & BSS_CHANGED_BSSID) {
661
662 spin_lock_bh(&wl->lock);
663 brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
664 spin_unlock_bh(&wl->lock);
665 }
666 if (changed & BSS_CHANGED_SSID) {
667
668 spin_lock_bh(&wl->lock);
669 brcms_c_set_ssid(wl->wlc, info->ssid, info->ssid_len);
670 spin_unlock_bh(&wl->lock);
671 }
672 if (changed & BSS_CHANGED_BEACON) {
673
674 struct sk_buff *beacon;
675 u16 tim_offset = 0;
676
677 spin_lock_bh(&wl->lock);
678 beacon = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL);
679 brcms_c_set_new_beacon(wl->wlc, beacon, tim_offset,
680 info->dtim_period);
681 spin_unlock_bh(&wl->lock);
682 }
683
684 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
685 struct sk_buff *probe_resp;
686
687 spin_lock_bh(&wl->lock);
688 probe_resp = ieee80211_proberesp_get(hw, vif);
689 brcms_c_set_new_probe_resp(wl->wlc, probe_resp);
690 spin_unlock_bh(&wl->lock);
691 }
692
693 if (changed & BSS_CHANGED_BEACON_ENABLED) {
694
695 brcms_err(core, "%s: Beacon enabled: %s\n", __func__,
696 info->enable_beacon ? "true" : "false");
697 if (info->enable_beacon &&
698 hw->wiphy->flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) {
699 brcms_c_enable_probe_resp(wl->wlc, true);
700 } else {
701 brcms_c_enable_probe_resp(wl->wlc, false);
702 }
703 }
704
705 if (changed & BSS_CHANGED_CQM) {
706
707 brcms_err(core, "%s: cqm change: threshold %d, hys %d "
708 " (implement)\n", __func__, info->cqm_rssi_thold,
709 info->cqm_rssi_hyst);
710 }
711
712 if (changed & BSS_CHANGED_IBSS) {
713
714 brcms_err(core, "%s: IBSS joined: %s (implement)\n",
715 __func__, info->ibss_joined ? "true" : "false");
716 }
717
718 if (changed & BSS_CHANGED_ARP_FILTER) {
719
720 brcms_err(core, "%s: arp filtering: %d addresses"
721 " (implement)\n", __func__, info->arp_addr_cnt);
722 }
723
724 if (changed & BSS_CHANGED_QOS) {
725
726
727
728
729 brcms_err(core, "%s: qos enabled: %s (implement)\n",
730 __func__, info->qos ? "true" : "false");
731 }
732 return;
733}
734
735static void
736brcms_ops_configure_filter(struct ieee80211_hw *hw,
737 unsigned int changed_flags,
738 unsigned int *total_flags, u64 multicast)
739{
740 struct brcms_info *wl = hw->priv;
741 struct bcma_device *core = wl->wlc->hw->d11core;
742
743 changed_flags &= MAC_FILTERS;
744 *total_flags &= MAC_FILTERS;
745
746 if (changed_flags & FIF_PROMISC_IN_BSS)
747 brcms_dbg_info(core, "FIF_PROMISC_IN_BSS\n");
748 if (changed_flags & FIF_ALLMULTI)
749 brcms_dbg_info(core, "FIF_ALLMULTI\n");
750 if (changed_flags & FIF_FCSFAIL)
751 brcms_dbg_info(core, "FIF_FCSFAIL\n");
752 if (changed_flags & FIF_CONTROL)
753 brcms_dbg_info(core, "FIF_CONTROL\n");
754 if (changed_flags & FIF_OTHER_BSS)
755 brcms_dbg_info(core, "FIF_OTHER_BSS\n");
756 if (changed_flags & FIF_PSPOLL)
757 brcms_dbg_info(core, "FIF_PSPOLL\n");
758 if (changed_flags & FIF_BCN_PRBRESP_PROMISC)
759 brcms_dbg_info(core, "FIF_BCN_PRBRESP_PROMISC\n");
760
761 spin_lock_bh(&wl->lock);
762 brcms_c_mac_promisc(wl->wlc, *total_flags);
763 spin_unlock_bh(&wl->lock);
764 return;
765}
766
767static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
768{
769 struct brcms_info *wl = hw->priv;
770 spin_lock_bh(&wl->lock);
771 brcms_c_scan_start(wl->wlc);
772 spin_unlock_bh(&wl->lock);
773 return;
774}
775
776static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
777{
778 struct brcms_info *wl = hw->priv;
779 spin_lock_bh(&wl->lock);
780 brcms_c_scan_stop(wl->wlc);
781 spin_unlock_bh(&wl->lock);
782 return;
783}
784
785static int
786brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
787 const struct ieee80211_tx_queue_params *params)
788{
789 struct brcms_info *wl = hw->priv;
790
791 spin_lock_bh(&wl->lock);
792 brcms_c_wme_setparams(wl->wlc, queue, params, true);
793 spin_unlock_bh(&wl->lock);
794
795 return 0;
796}
797
798static int
799brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
800 struct ieee80211_sta *sta)
801{
802 struct brcms_info *wl = hw->priv;
803 struct scb *scb = &wl->wlc->pri_scb;
804
805 brcms_c_init_scb(scb);
806
807 wl->pub->global_ampdu = &(scb->scb_ampdu);
808 wl->pub->global_ampdu->scb = scb;
809 wl->pub->global_ampdu->max_pdu = 16;
810
811
812
813
814
815 return 0;
816}
817
818static int
819brcms_ops_ampdu_action(struct ieee80211_hw *hw,
820 struct ieee80211_vif *vif,
821 enum ieee80211_ampdu_mlme_action action,
822 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
823 u8 buf_size)
824{
825 struct brcms_info *wl = hw->priv;
826 struct scb *scb = &wl->wlc->pri_scb;
827 int status;
828
829 if (WARN_ON(scb->magic != SCB_MAGIC))
830 return -EIDRM;
831 switch (action) {
832 case IEEE80211_AMPDU_RX_START:
833 break;
834 case IEEE80211_AMPDU_RX_STOP:
835 break;
836 case IEEE80211_AMPDU_TX_START:
837 spin_lock_bh(&wl->lock);
838 status = brcms_c_aggregatable(wl->wlc, tid);
839 spin_unlock_bh(&wl->lock);
840 if (!status) {
841 brcms_err(wl->wlc->hw->d11core,
842 "START: tid %d is not agg\'able\n", tid);
843 return -EINVAL;
844 }
845 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
846 break;
847
848 case IEEE80211_AMPDU_TX_STOP_CONT:
849 case IEEE80211_AMPDU_TX_STOP_FLUSH:
850 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
851 spin_lock_bh(&wl->lock);
852 brcms_c_ampdu_flush(wl->wlc, sta, tid);
853 spin_unlock_bh(&wl->lock);
854 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
855 break;
856 case IEEE80211_AMPDU_TX_OPERATIONAL:
857
858
859
860
861
862
863 spin_lock_bh(&wl->lock);
864 brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
865 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
866 sta->ht_cap.ampdu_factor)) - 1);
867 spin_unlock_bh(&wl->lock);
868
869 break;
870 default:
871 brcms_err(wl->wlc->hw->d11core,
872 "%s: Invalid command, ignoring\n", __func__);
873 }
874
875 return 0;
876}
877
878static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
879{
880 struct brcms_info *wl = hw->priv;
881 bool blocked;
882
883 spin_lock_bh(&wl->lock);
884 blocked = brcms_c_check_radio_disabled(wl->wlc);
885 spin_unlock_bh(&wl->lock);
886
887 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
888}
889
890static bool brcms_tx_flush_completed(struct brcms_info *wl)
891{
892 bool result;
893
894 spin_lock_bh(&wl->lock);
895 result = brcms_c_tx_flush_completed(wl->wlc);
896 spin_unlock_bh(&wl->lock);
897 return result;
898}
899
900static void brcms_ops_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
901 u32 queues, bool drop)
902{
903 struct brcms_info *wl = hw->priv;
904 int ret;
905
906 no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
907
908 ret = wait_event_timeout(wl->tx_flush_wq,
909 brcms_tx_flush_completed(wl),
910 msecs_to_jiffies(BRCMS_FLUSH_TIMEOUT));
911
912 brcms_dbg_mac80211(wl->wlc->hw->d11core,
913 "ret=%d\n", jiffies_to_msecs(ret));
914}
915
916static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
917{
918 struct brcms_info *wl = hw->priv;
919 u64 tsf;
920
921 spin_lock_bh(&wl->lock);
922 tsf = brcms_c_tsf_get(wl->wlc);
923 spin_unlock_bh(&wl->lock);
924
925 return tsf;
926}
927
928static void brcms_ops_set_tsf(struct ieee80211_hw *hw,
929 struct ieee80211_vif *vif, u64 tsf)
930{
931 struct brcms_info *wl = hw->priv;
932
933 spin_lock_bh(&wl->lock);
934 brcms_c_tsf_set(wl->wlc, tsf);
935 spin_unlock_bh(&wl->lock);
936}
937
938static const struct ieee80211_ops brcms_ops = {
939 .tx = brcms_ops_tx,
940 .start = brcms_ops_start,
941 .stop = brcms_ops_stop,
942 .add_interface = brcms_ops_add_interface,
943 .remove_interface = brcms_ops_remove_interface,
944 .config = brcms_ops_config,
945 .bss_info_changed = brcms_ops_bss_info_changed,
946 .configure_filter = brcms_ops_configure_filter,
947 .sw_scan_start = brcms_ops_sw_scan_start,
948 .sw_scan_complete = brcms_ops_sw_scan_complete,
949 .conf_tx = brcms_ops_conf_tx,
950 .sta_add = brcms_ops_sta_add,
951 .ampdu_action = brcms_ops_ampdu_action,
952 .rfkill_poll = brcms_ops_rfkill_poll,
953 .flush = brcms_ops_flush,
954 .get_tsf = brcms_ops_get_tsf,
955 .set_tsf = brcms_ops_set_tsf,
956};
957
958void brcms_dpc(unsigned long data)
959{
960 struct brcms_info *wl;
961
962 wl = (struct brcms_info *) data;
963
964 spin_lock_bh(&wl->lock);
965
966
967 if (wl->pub->up) {
968 if (wl->resched) {
969 unsigned long flags;
970
971 spin_lock_irqsave(&wl->isr_lock, flags);
972 brcms_c_intrsupd(wl->wlc);
973 spin_unlock_irqrestore(&wl->isr_lock, flags);
974 }
975
976 wl->resched = brcms_c_dpc(wl->wlc, true);
977 }
978
979
980 if (!wl->pub->up)
981 goto done;
982
983
984 if (wl->resched)
985 tasklet_schedule(&wl->tasklet);
986 else
987
988 brcms_intrson(wl);
989
990 done:
991 spin_unlock_bh(&wl->lock);
992 wake_up(&wl->tx_flush_wq);
993}
994
995static irqreturn_t brcms_isr(int irq, void *dev_id)
996{
997 struct brcms_info *wl;
998 irqreturn_t ret = IRQ_NONE;
999
1000 wl = (struct brcms_info *) dev_id;
1001
1002 spin_lock(&wl->isr_lock);
1003
1004
1005 if (brcms_c_isr(wl->wlc)) {
1006
1007 tasklet_schedule(&wl->tasklet);
1008 ret = IRQ_HANDLED;
1009 }
1010
1011 spin_unlock(&wl->isr_lock);
1012
1013 return ret;
1014}
1015
1016
1017
1018
1019static int ieee_hw_rate_init(struct ieee80211_hw *hw)
1020{
1021 struct brcms_info *wl = hw->priv;
1022 struct brcms_c_info *wlc = wl->wlc;
1023 struct ieee80211_supported_band *band;
1024 int has_5g = 0;
1025 u16 phy_type;
1026
1027 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
1028 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
1029
1030 phy_type = brcms_c_get_phy_type(wl->wlc, 0);
1031 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1032 band = &wlc->bandstate[BAND_2G_INDEX]->band;
1033 *band = brcms_band_2GHz_nphy_template;
1034 if (phy_type == PHY_TYPE_LCN) {
1035
1036 band->ht_cap.mcs.rx_mask[1] = 0;
1037 band->ht_cap.mcs.rx_highest = cpu_to_le16(72);
1038 }
1039 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
1040 } else {
1041 return -EPERM;
1042 }
1043
1044
1045 if (wl->pub->_nbands > 1) {
1046 has_5g++;
1047 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1048 band = &wlc->bandstate[BAND_5G_INDEX]->band;
1049 *band = brcms_band_5GHz_nphy_template;
1050 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
1051 } else {
1052 return -EPERM;
1053 }
1054 }
1055 return 0;
1056}
1057
1058
1059
1060
1061static int ieee_hw_init(struct ieee80211_hw *hw)
1062{
1063 hw->flags = IEEE80211_HW_SIGNAL_DBM
1064
1065 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
1066 | IEEE80211_HW_AMPDU_AGGREGATION;
1067
1068 hw->extra_tx_headroom = brcms_c_get_header_len();
1069 hw->queues = N_TX_QUEUES;
1070 hw->max_rates = 2;
1071
1072
1073 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1074 BIT(NL80211_IFTYPE_AP) |
1075 BIT(NL80211_IFTYPE_ADHOC);
1076
1077
1078
1079
1080
1081
1082
1083
1084 hw->rate_control_algorithm = "minstrel_ht";
1085
1086 hw->sta_data_size = 0;
1087 return ieee_hw_rate_init(hw);
1088}
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098static struct brcms_info *brcms_attach(struct bcma_device *pdev)
1099{
1100 struct brcms_info *wl = NULL;
1101 int unit, err;
1102 struct ieee80211_hw *hw;
1103 u8 perm[ETH_ALEN];
1104
1105 unit = n_adapters_found;
1106 err = 0;
1107
1108 if (unit < 0)
1109 return NULL;
1110
1111
1112 hw = bcma_get_drvdata(pdev);
1113 if (hw != NULL)
1114 wl = hw->priv;
1115 if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
1116 return NULL;
1117 wl->wiphy = hw->wiphy;
1118
1119 atomic_set(&wl->callbacks, 0);
1120
1121 init_waitqueue_head(&wl->tx_flush_wq);
1122
1123
1124 tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
1125
1126 spin_lock_init(&wl->lock);
1127 spin_lock_init(&wl->isr_lock);
1128
1129
1130 wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err);
1131 if (!wl->wlc) {
1132 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
1133 KBUILD_MODNAME, err);
1134 goto fail;
1135 }
1136 wl->pub = brcms_c_pub(wl->wlc);
1137
1138 wl->pub->ieee_hw = hw;
1139
1140
1141 if (request_irq(pdev->irq, brcms_isr,
1142 IRQF_SHARED, KBUILD_MODNAME, wl)) {
1143 wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
1144 goto fail;
1145 }
1146 wl->irq = pdev->irq;
1147
1148
1149 brcms_c_module_register(wl->pub, "linux", wl, NULL);
1150
1151 if (ieee_hw_init(hw)) {
1152 wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
1153 __func__);
1154 goto fail;
1155 }
1156
1157 brcms_c_regd_init(wl->wlc);
1158
1159 memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
1160 if (WARN_ON(!is_valid_ether_addr(perm)))
1161 goto fail;
1162 SET_IEEE80211_PERM_ADDR(hw, perm);
1163
1164 err = ieee80211_register_hw(hw);
1165 if (err)
1166 wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
1167 "%d\n", __func__, err);
1168
1169 if (wl->pub->srom_ccode[0] &&
1170 regulatory_hint(wl->wiphy, wl->pub->srom_ccode))
1171 wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__);
1172
1173 brcms_debugfs_attach(wl->pub);
1174 brcms_debugfs_create_files(wl->pub);
1175 n_adapters_found++;
1176 return wl;
1177
1178fail:
1179 brcms_free(wl);
1180 return NULL;
1181}
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193static int brcms_bcma_probe(struct bcma_device *pdev)
1194{
1195 struct brcms_info *wl;
1196 struct ieee80211_hw *hw;
1197
1198 dev_info(&pdev->dev, "mfg %x core %x rev %d class %d irq %d\n",
1199 pdev->id.manuf, pdev->id.id, pdev->id.rev, pdev->id.class,
1200 pdev->irq);
1201
1202 if ((pdev->id.manuf != BCMA_MANUF_BCM) ||
1203 (pdev->id.id != BCMA_CORE_80211))
1204 return -ENODEV;
1205
1206 hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
1207 if (!hw) {
1208 pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
1209 return -ENOMEM;
1210 }
1211
1212 SET_IEEE80211_DEV(hw, &pdev->dev);
1213
1214 bcma_set_drvdata(pdev, hw);
1215
1216 memset(hw->priv, 0, sizeof(*wl));
1217
1218 wl = brcms_attach(pdev);
1219 if (!wl) {
1220 pr_err("%s: brcms_attach failed!\n", __func__);
1221 return -ENODEV;
1222 }
1223 brcms_led_register(wl);
1224
1225 return 0;
1226}
1227
1228static int brcms_suspend(struct bcma_device *pdev)
1229{
1230 struct brcms_info *wl;
1231 struct ieee80211_hw *hw;
1232
1233 hw = bcma_get_drvdata(pdev);
1234 wl = hw->priv;
1235 if (!wl) {
1236 pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME,
1237 __func__);
1238 return -ENODEV;
1239 }
1240
1241
1242 spin_lock_bh(&wl->lock);
1243 wl->pub->hw_up = false;
1244 spin_unlock_bh(&wl->lock);
1245
1246 brcms_dbg_info(wl->wlc->hw->d11core, "brcms_suspend ok\n");
1247
1248 return 0;
1249}
1250
1251static int brcms_resume(struct bcma_device *pdev)
1252{
1253 return 0;
1254}
1255
1256static struct bcma_driver brcms_bcma_driver = {
1257 .name = KBUILD_MODNAME,
1258 .probe = brcms_bcma_probe,
1259 .suspend = brcms_suspend,
1260 .resume = brcms_resume,
1261 .remove = brcms_remove,
1262 .id_table = brcms_coreid_table,
1263};
1264
1265
1266
1267
1268
1269
1270
1271
1272static void brcms_driver_init(struct work_struct *work)
1273{
1274 int error;
1275
1276 error = bcma_driver_register(&brcms_bcma_driver);
1277 if (error)
1278 pr_err("%s: register returned %d\n", __func__, error);
1279}
1280
1281static DECLARE_WORK(brcms_driver_work, brcms_driver_init);
1282
1283static int __init brcms_module_init(void)
1284{
1285 brcms_debugfs_init();
1286 if (!schedule_work(&brcms_driver_work))
1287 return -EBUSY;
1288
1289 return 0;
1290}
1291
1292
1293
1294
1295
1296
1297
1298
1299static void __exit brcms_module_exit(void)
1300{
1301 cancel_work_sync(&brcms_driver_work);
1302 bcma_driver_unregister(&brcms_bcma_driver);
1303 brcms_debugfs_exit();
1304}
1305
1306module_init(brcms_module_init);
1307module_exit(brcms_module_exit);
1308
1309
1310
1311
1312void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
1313 bool state, int prio)
1314{
1315 brcms_err(wl->wlc->hw->d11core, "Shouldn't be here %s\n", __func__);
1316}
1317
1318
1319
1320
1321void brcms_init(struct brcms_info *wl)
1322{
1323 brcms_dbg_info(wl->wlc->hw->d11core, "Initializing wl%d\n",
1324 wl->pub->unit);
1325 brcms_reset(wl);
1326 brcms_c_init(wl->wlc, wl->mute_tx);
1327}
1328
1329
1330
1331
1332uint brcms_reset(struct brcms_info *wl)
1333{
1334 brcms_dbg_info(wl->wlc->hw->d11core, "Resetting wl%d\n", wl->pub->unit);
1335 brcms_c_reset(wl->wlc);
1336
1337
1338 wl->resched = false;
1339
1340
1341 wl->pub->up = false;
1342
1343 return 0;
1344}
1345
1346void brcms_fatal_error(struct brcms_info *wl)
1347{
1348 brcms_err(wl->wlc->hw->d11core, "wl%d: fatal error, reinitializing\n",
1349 wl->wlc->pub->unit);
1350 brcms_reset(wl);
1351 ieee80211_restart_hw(wl->pub->ieee_hw);
1352}
1353
1354
1355
1356
1357
1358void brcms_intrson(struct brcms_info *wl)
1359{
1360 unsigned long flags;
1361
1362 spin_lock_irqsave(&wl->isr_lock, flags);
1363 brcms_c_intrson(wl->wlc);
1364 spin_unlock_irqrestore(&wl->isr_lock, flags);
1365}
1366
1367u32 brcms_intrsoff(struct brcms_info *wl)
1368{
1369 unsigned long flags;
1370 u32 status;
1371
1372 spin_lock_irqsave(&wl->isr_lock, flags);
1373 status = brcms_c_intrsoff(wl->wlc);
1374 spin_unlock_irqrestore(&wl->isr_lock, flags);
1375 return status;
1376}
1377
1378void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
1379{
1380 unsigned long flags;
1381
1382 spin_lock_irqsave(&wl->isr_lock, flags);
1383 brcms_c_intrsrestore(wl->wlc, macintmask);
1384 spin_unlock_irqrestore(&wl->isr_lock, flags);
1385}
1386
1387
1388
1389
1390int brcms_up(struct brcms_info *wl)
1391{
1392 int error = 0;
1393
1394 if (wl->pub->up)
1395 return 0;
1396
1397 error = brcms_c_up(wl->wlc);
1398
1399 return error;
1400}
1401
1402
1403
1404
1405void brcms_down(struct brcms_info *wl)
1406{
1407 uint callbacks, ret_val = 0;
1408
1409
1410 ret_val = brcms_c_down(wl->wlc);
1411 callbacks = atomic_read(&wl->callbacks) - ret_val;
1412
1413
1414 spin_unlock_bh(&wl->lock);
1415
1416
1417
1418
1419 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1420
1421 spin_lock_bh(&wl->lock);
1422}
1423
1424
1425
1426
1427static void _brcms_timer(struct work_struct *work)
1428{
1429 struct brcms_timer *t = container_of(work, struct brcms_timer,
1430 dly_wrk.work);
1431
1432 spin_lock_bh(&t->wl->lock);
1433
1434 if (t->set) {
1435 if (t->periodic) {
1436 atomic_inc(&t->wl->callbacks);
1437 ieee80211_queue_delayed_work(t->wl->pub->ieee_hw,
1438 &t->dly_wrk,
1439 msecs_to_jiffies(t->ms));
1440 } else {
1441 t->set = false;
1442 }
1443
1444 t->fn(t->arg);
1445 }
1446
1447 atomic_dec(&t->wl->callbacks);
1448
1449 spin_unlock_bh(&t->wl->lock);
1450}
1451
1452
1453
1454
1455
1456
1457
1458struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
1459 void (*fn) (void *arg),
1460 void *arg, const char *name)
1461{
1462 struct brcms_timer *t;
1463
1464 t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
1465 if (!t)
1466 return NULL;
1467
1468 INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer);
1469 t->wl = wl;
1470 t->fn = fn;
1471 t->arg = arg;
1472 t->next = wl->timers;
1473 wl->timers = t;
1474
1475#ifdef DEBUG
1476 t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1477 if (t->name)
1478 strcpy(t->name, name);
1479#endif
1480
1481 return t;
1482}
1483
1484
1485
1486
1487
1488
1489
1490void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
1491{
1492 struct ieee80211_hw *hw = t->wl->pub->ieee_hw;
1493
1494#ifdef DEBUG
1495 if (t->set)
1496 brcms_dbg_info(t->wl->wlc->hw->d11core,
1497 "%s: Already set. Name: %s, per %d\n",
1498 __func__, t->name, periodic);
1499#endif
1500 t->ms = ms;
1501 t->periodic = (bool) periodic;
1502 if (!t->set) {
1503 t->set = true;
1504 atomic_inc(&t->wl->callbacks);
1505 }
1506
1507 ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
1508}
1509
1510
1511
1512
1513
1514
1515bool brcms_del_timer(struct brcms_timer *t)
1516{
1517 if (t->set) {
1518 t->set = false;
1519 if (!cancel_delayed_work(&t->dly_wrk))
1520 return false;
1521
1522 atomic_dec(&t->wl->callbacks);
1523 }
1524
1525 return true;
1526}
1527
1528
1529
1530
1531void brcms_free_timer(struct brcms_timer *t)
1532{
1533 struct brcms_info *wl = t->wl;
1534 struct brcms_timer *tmp;
1535
1536
1537 brcms_del_timer(t);
1538
1539 if (wl->timers == t) {
1540 wl->timers = wl->timers->next;
1541#ifdef DEBUG
1542 kfree(t->name);
1543#endif
1544 kfree(t);
1545 return;
1546
1547 }
1548
1549 tmp = wl->timers;
1550 while (tmp) {
1551 if (tmp->next == t) {
1552 tmp->next = t->next;
1553#ifdef DEBUG
1554 kfree(t->name);
1555#endif
1556 kfree(t);
1557 return;
1558 }
1559 tmp = tmp->next;
1560 }
1561
1562}
1563
1564
1565
1566
1567int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
1568{
1569 int i, entry;
1570 const u8 *pdata;
1571 struct firmware_hdr *hdr;
1572 for (i = 0; i < wl->fw.fw_cnt; i++) {
1573 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1574 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1575 entry++, hdr++) {
1576 u32 len = le32_to_cpu(hdr->len);
1577 if (le32_to_cpu(hdr->idx) == idx) {
1578 pdata = wl->fw.fw_bin[i]->data +
1579 le32_to_cpu(hdr->offset);
1580 *pbuf = kmemdup(pdata, len, GFP_ATOMIC);
1581 if (*pbuf == NULL)
1582 goto fail;
1583
1584 return 0;
1585 }
1586 }
1587 }
1588 brcms_err(wl->wlc->hw->d11core,
1589 "ERROR: ucode buf tag:%d can not be found!\n", idx);
1590 *pbuf = NULL;
1591fail:
1592 return -ENODATA;
1593}
1594
1595
1596
1597
1598
1599int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx)
1600{
1601 int i, entry;
1602 const u8 *pdata;
1603 struct firmware_hdr *hdr;
1604 for (i = 0; i < wl->fw.fw_cnt; i++) {
1605 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1606 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1607 entry++, hdr++) {
1608 if (le32_to_cpu(hdr->idx) == idx) {
1609 pdata = wl->fw.fw_bin[i]->data +
1610 le32_to_cpu(hdr->offset);
1611 if (le32_to_cpu(hdr->len) != 4) {
1612 brcms_err(wl->wlc->hw->d11core,
1613 "ERROR: fw hdr len\n");
1614 return -ENOMSG;
1615 }
1616 *n_bytes = le32_to_cpu(*((__le32 *) pdata));
1617 return 0;
1618 }
1619 }
1620 }
1621 brcms_err(wl->wlc->hw->d11core,
1622 "ERROR: ucode tag:%d can not be found!\n", idx);
1623 return -ENOMSG;
1624}
1625
1626
1627
1628
1629void brcms_ucode_free_buf(void *p)
1630{
1631 kfree(p);
1632}
1633
1634
1635
1636
1637
1638
1639
1640int brcms_check_firmwares(struct brcms_info *wl)
1641{
1642 int i;
1643 int entry;
1644 int rc = 0;
1645 const struct firmware *fw;
1646 const struct firmware *fw_hdr;
1647 struct firmware_hdr *ucode_hdr;
1648 for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
1649 fw = wl->fw.fw_bin[i];
1650 fw_hdr = wl->fw.fw_hdr[i];
1651 if (fw == NULL && fw_hdr == NULL) {
1652 break;
1653 } else if (fw == NULL || fw_hdr == NULL) {
1654 wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
1655 __func__);
1656 rc = -EBADF;
1657 } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
1658 wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
1659 "size %zu/%zu\n", __func__, fw_hdr->size,
1660 sizeof(struct firmware_hdr));
1661 rc = -EBADF;
1662 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1663 wiphy_err(wl->wiphy, "%s: out of bounds fw file size %zu\n",
1664 __func__, fw->size);
1665 rc = -EBADF;
1666 } else {
1667
1668 ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
1669 for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1670 !rc; entry++, ucode_hdr++) {
1671 if (le32_to_cpu(ucode_hdr->offset) +
1672 le32_to_cpu(ucode_hdr->len) >
1673 fw->size) {
1674 wiphy_err(wl->wiphy,
1675 "%s: conflicting bin/hdr\n",
1676 __func__);
1677 rc = -EBADF;
1678 }
1679 }
1680 }
1681 }
1682 if (rc == 0 && wl->fw.fw_cnt != i) {
1683 wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
1684 wl->fw.fw_cnt);
1685 rc = -EBADF;
1686 }
1687 return rc;
1688}
1689
1690
1691
1692
1693bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
1694{
1695 bool blocked = brcms_c_check_radio_disabled(wl->wlc);
1696
1697 spin_unlock_bh(&wl->lock);
1698 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1699 if (blocked)
1700 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1701 spin_lock_bh(&wl->lock);
1702 return blocked;
1703}
1704
