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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_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
129 IEEE80211_CHAN_NO_HT40PLUS),
130 CHAN2GHZ(13, 2472,
131 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
132 IEEE80211_CHAN_NO_HT40PLUS),
133 CHAN2GHZ(14, 2484,
134 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
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 | IEEE80211_CHAN_NO_IBSS |
148 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
149 CHAN5GHZ(56,
150 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
151 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
152 CHAN5GHZ(60,
153 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
154 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
155 CHAN5GHZ(64,
156 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
157 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
158
159 CHAN5GHZ(100,
160 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
161 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
162 CHAN5GHZ(104,
163 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
164 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
165 CHAN5GHZ(108,
166 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
167 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
168 CHAN5GHZ(112,
169 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
170 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
171 CHAN5GHZ(116,
172 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
173 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
174 CHAN5GHZ(120,
175 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
176 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
177 CHAN5GHZ(124,
178 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
179 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
180 CHAN5GHZ(128,
181 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
182 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
183 CHAN5GHZ(132,
184 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
185 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
186 CHAN5GHZ(136,
187 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
188 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
189 CHAN5GHZ(140,
190 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
191 IEEE80211_CHAN_PASSIVE_SCAN | 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 ieee80211_wake_queues(hw);
430 spin_lock_bh(&wl->lock);
431 blocked = brcms_rfkill_set_hw_state(wl);
432 spin_unlock_bh(&wl->lock);
433 if (!blocked)
434 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
435
436 if (!wl->ucode.bcm43xx_bomminor) {
437 err = brcms_request_fw(wl, wl->wlc->hw->d11core);
438 if (err) {
439 brcms_remove(wl->wlc->hw->d11core);
440 return -ENOENT;
441 }
442 }
443
444 spin_lock_bh(&wl->lock);
445
446 wl->mute_tx = true;
447
448 if (!wl->pub->up)
449 if (!blocked)
450 err = brcms_up(wl);
451 else
452 err = -ERFKILL;
453 else
454 err = -ENODEV;
455 spin_unlock_bh(&wl->lock);
456
457 if (err != 0)
458 brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n",
459 __func__, err);
460
461 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, true);
462 return err;
463}
464
465static void brcms_ops_stop(struct ieee80211_hw *hw)
466{
467 struct brcms_info *wl = hw->priv;
468 int status;
469
470 ieee80211_stop_queues(hw);
471
472 if (wl->wlc == NULL)
473 return;
474
475 spin_lock_bh(&wl->lock);
476 status = brcms_c_chipmatch(wl->wlc->hw->d11core);
477 spin_unlock_bh(&wl->lock);
478 if (!status) {
479 brcms_err(wl->wlc->hw->d11core,
480 "wl: brcms_ops_stop: chipmatch failed\n");
481 return;
482 }
483
484 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, false);
485
486
487 spin_lock_bh(&wl->lock);
488 brcms_down(wl);
489 spin_unlock_bh(&wl->lock);
490}
491
492static int
493brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
494{
495 struct brcms_info *wl = hw->priv;
496
497
498 if (vif->type != NL80211_IFTYPE_STATION &&
499 vif->type != NL80211_IFTYPE_AP &&
500 vif->type != NL80211_IFTYPE_ADHOC) {
501 brcms_err(wl->wlc->hw->d11core,
502 "%s: Attempt to add type %d, only STA, AP and AdHoc for now\n",
503 __func__, vif->type);
504 return -EOPNOTSUPP;
505 }
506
507 spin_lock_bh(&wl->lock);
508 wl->mute_tx = false;
509 brcms_c_mute(wl->wlc, false);
510 if (vif->type == NL80211_IFTYPE_STATION)
511 brcms_c_start_station(wl->wlc, vif->addr);
512 else if (vif->type == NL80211_IFTYPE_AP)
513 brcms_c_start_ap(wl->wlc, vif->addr, vif->bss_conf.bssid,
514 vif->bss_conf.ssid, vif->bss_conf.ssid_len);
515 else if (vif->type == NL80211_IFTYPE_ADHOC)
516 brcms_c_start_adhoc(wl->wlc, vif->addr);
517 spin_unlock_bh(&wl->lock);
518
519 return 0;
520}
521
522static void
523brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
524{
525}
526
527static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
528{
529 struct ieee80211_conf *conf = &hw->conf;
530 struct brcms_info *wl = hw->priv;
531 struct bcma_device *core = wl->wlc->hw->d11core;
532 int err = 0;
533 int new_int;
534
535 spin_lock_bh(&wl->lock);
536 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
537 brcms_c_set_beacon_listen_interval(wl->wlc,
538 conf->listen_interval);
539 }
540 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
541 brcms_dbg_info(core, "%s: change monitor mode: %s\n",
542 __func__, conf->flags & IEEE80211_CONF_MONITOR ?
543 "true" : "false");
544 if (changed & IEEE80211_CONF_CHANGE_PS)
545 brcms_err(core, "%s: change power-save mode: %s (implement)\n",
546 __func__, conf->flags & IEEE80211_CONF_PS ?
547 "true" : "false");
548
549 if (changed & IEEE80211_CONF_CHANGE_POWER) {
550 err = brcms_c_set_tx_power(wl->wlc, conf->power_level);
551 if (err < 0) {
552 brcms_err(core, "%s: Error setting power_level\n",
553 __func__);
554 goto config_out;
555 }
556 new_int = brcms_c_get_tx_power(wl->wlc);
557 if (new_int != conf->power_level)
558 brcms_err(core,
559 "%s: Power level req != actual, %d %d\n",
560 __func__, conf->power_level,
561 new_int);
562 }
563 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
564 if (conf->chandef.width == NL80211_CHAN_WIDTH_20 ||
565 conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
566 err = brcms_c_set_channel(wl->wlc,
567 conf->chandef.chan->hw_value);
568 else
569 err = -ENOTSUPP;
570 }
571 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
572 err = brcms_c_set_rate_limit(wl->wlc,
573 conf->short_frame_max_tx_count,
574 conf->long_frame_max_tx_count);
575
576 config_out:
577 spin_unlock_bh(&wl->lock);
578 return err;
579}
580
581static void
582brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
583 struct ieee80211_vif *vif,
584 struct ieee80211_bss_conf *info, u32 changed)
585{
586 struct brcms_info *wl = hw->priv;
587 struct bcma_device *core = wl->wlc->hw->d11core;
588
589 if (changed & BSS_CHANGED_ASSOC) {
590
591
592
593 brcms_err(core, "%s: %s: %sassociated\n", KBUILD_MODNAME,
594 __func__, info->assoc ? "" : "dis");
595 spin_lock_bh(&wl->lock);
596 brcms_c_associate_upd(wl->wlc, info->assoc);
597 spin_unlock_bh(&wl->lock);
598 }
599 if (changed & BSS_CHANGED_ERP_SLOT) {
600 s8 val;
601
602
603 if (info->use_short_slot)
604 val = 1;
605 else
606 val = 0;
607 spin_lock_bh(&wl->lock);
608 brcms_c_set_shortslot_override(wl->wlc, val);
609 spin_unlock_bh(&wl->lock);
610 }
611
612 if (changed & BSS_CHANGED_HT) {
613
614 u16 mode = info->ht_operation_mode;
615
616 spin_lock_bh(&wl->lock);
617 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG,
618 mode & IEEE80211_HT_OP_MODE_PROTECTION);
619 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF,
620 mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
621 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS,
622 mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
623 spin_unlock_bh(&wl->lock);
624 }
625 if (changed & BSS_CHANGED_BASIC_RATES) {
626 struct ieee80211_supported_band *bi;
627 u32 br_mask, i;
628 u16 rate;
629 struct brcm_rateset rs;
630 int error;
631
632
633 spin_lock_bh(&wl->lock);
634 brcms_c_get_current_rateset(wl->wlc, &rs);
635 spin_unlock_bh(&wl->lock);
636
637 br_mask = info->basic_rates;
638 bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)];
639 for (i = 0; i < bi->n_bitrates; i++) {
640
641 rate = (bi->bitrates[i].bitrate << 1) / 10;
642
643
644 brcms_set_basic_rate(&rs, rate, br_mask & 1);
645 br_mask >>= 1;
646 }
647
648
649 spin_lock_bh(&wl->lock);
650 error = brcms_c_set_rateset(wl->wlc, &rs);
651 spin_unlock_bh(&wl->lock);
652 if (error)
653 brcms_err(core, "changing basic rates failed: %d\n",
654 error);
655 }
656 if (changed & BSS_CHANGED_BEACON_INT) {
657
658 spin_lock_bh(&wl->lock);
659 brcms_c_set_beacon_period(wl->wlc, info->beacon_int);
660 spin_unlock_bh(&wl->lock);
661 }
662 if (changed & BSS_CHANGED_BSSID) {
663
664 spin_lock_bh(&wl->lock);
665 brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
666 spin_unlock_bh(&wl->lock);
667 }
668 if (changed & BSS_CHANGED_SSID) {
669
670 spin_lock_bh(&wl->lock);
671 brcms_c_set_ssid(wl->wlc, info->ssid, info->ssid_len);
672 spin_unlock_bh(&wl->lock);
673 }
674 if (changed & BSS_CHANGED_BEACON) {
675
676 struct sk_buff *beacon;
677 u16 tim_offset = 0;
678
679 spin_lock_bh(&wl->lock);
680 beacon = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL);
681 brcms_c_set_new_beacon(wl->wlc, beacon, tim_offset,
682 info->dtim_period);
683 spin_unlock_bh(&wl->lock);
684 }
685
686 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
687 struct sk_buff *probe_resp;
688
689 spin_lock_bh(&wl->lock);
690 probe_resp = ieee80211_proberesp_get(hw, vif);
691 brcms_c_set_new_probe_resp(wl->wlc, probe_resp);
692 spin_unlock_bh(&wl->lock);
693 }
694
695 if (changed & BSS_CHANGED_BEACON_ENABLED) {
696
697 brcms_err(core, "%s: Beacon enabled: %s\n", __func__,
698 info->enable_beacon ? "true" : "false");
699 if (info->enable_beacon &&
700 hw->wiphy->flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) {
701 brcms_c_enable_probe_resp(wl->wlc, true);
702 } else {
703 brcms_c_enable_probe_resp(wl->wlc, false);
704 }
705 }
706
707 if (changed & BSS_CHANGED_CQM) {
708
709 brcms_err(core, "%s: cqm change: threshold %d, hys %d "
710 " (implement)\n", __func__, info->cqm_rssi_thold,
711 info->cqm_rssi_hyst);
712 }
713
714 if (changed & BSS_CHANGED_IBSS) {
715
716 brcms_err(core, "%s: IBSS joined: %s (implement)\n",
717 __func__, info->ibss_joined ? "true" : "false");
718 }
719
720 if (changed & BSS_CHANGED_ARP_FILTER) {
721
722 brcms_err(core, "%s: arp filtering: %d addresses"
723 " (implement)\n", __func__, info->arp_addr_cnt);
724 }
725
726 if (changed & BSS_CHANGED_QOS) {
727
728
729
730
731 brcms_err(core, "%s: qos enabled: %s (implement)\n",
732 __func__, info->qos ? "true" : "false");
733 }
734 return;
735}
736
737static void
738brcms_ops_configure_filter(struct ieee80211_hw *hw,
739 unsigned int changed_flags,
740 unsigned int *total_flags, u64 multicast)
741{
742 struct brcms_info *wl = hw->priv;
743 struct bcma_device *core = wl->wlc->hw->d11core;
744
745 changed_flags &= MAC_FILTERS;
746 *total_flags &= MAC_FILTERS;
747
748 if (changed_flags & FIF_PROMISC_IN_BSS)
749 brcms_dbg_info(core, "FIF_PROMISC_IN_BSS\n");
750 if (changed_flags & FIF_ALLMULTI)
751 brcms_dbg_info(core, "FIF_ALLMULTI\n");
752 if (changed_flags & FIF_FCSFAIL)
753 brcms_dbg_info(core, "FIF_FCSFAIL\n");
754 if (changed_flags & FIF_CONTROL)
755 brcms_dbg_info(core, "FIF_CONTROL\n");
756 if (changed_flags & FIF_OTHER_BSS)
757 brcms_dbg_info(core, "FIF_OTHER_BSS\n");
758 if (changed_flags & FIF_PSPOLL)
759 brcms_dbg_info(core, "FIF_PSPOLL\n");
760 if (changed_flags & FIF_BCN_PRBRESP_PROMISC)
761 brcms_dbg_info(core, "FIF_BCN_PRBRESP_PROMISC\n");
762
763 spin_lock_bh(&wl->lock);
764 brcms_c_mac_promisc(wl->wlc, *total_flags);
765 spin_unlock_bh(&wl->lock);
766 return;
767}
768
769static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
770{
771 struct brcms_info *wl = hw->priv;
772 spin_lock_bh(&wl->lock);
773 brcms_c_scan_start(wl->wlc);
774 spin_unlock_bh(&wl->lock);
775 return;
776}
777
778static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
779{
780 struct brcms_info *wl = hw->priv;
781 spin_lock_bh(&wl->lock);
782 brcms_c_scan_stop(wl->wlc);
783 spin_unlock_bh(&wl->lock);
784 return;
785}
786
787static int
788brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
789 const struct ieee80211_tx_queue_params *params)
790{
791 struct brcms_info *wl = hw->priv;
792
793 spin_lock_bh(&wl->lock);
794 brcms_c_wme_setparams(wl->wlc, queue, params, true);
795 spin_unlock_bh(&wl->lock);
796
797 return 0;
798}
799
800static int
801brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
802 struct ieee80211_sta *sta)
803{
804 struct brcms_info *wl = hw->priv;
805 struct scb *scb = &wl->wlc->pri_scb;
806
807 brcms_c_init_scb(scb);
808
809 wl->pub->global_ampdu = &(scb->scb_ampdu);
810 wl->pub->global_ampdu->scb = scb;
811 wl->pub->global_ampdu->max_pdu = 16;
812
813
814
815
816
817 return 0;
818}
819
820static int
821brcms_ops_ampdu_action(struct ieee80211_hw *hw,
822 struct ieee80211_vif *vif,
823 enum ieee80211_ampdu_mlme_action action,
824 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
825 u8 buf_size)
826{
827 struct brcms_info *wl = hw->priv;
828 struct scb *scb = &wl->wlc->pri_scb;
829 int status;
830
831 if (WARN_ON(scb->magic != SCB_MAGIC))
832 return -EIDRM;
833 switch (action) {
834 case IEEE80211_AMPDU_RX_START:
835 break;
836 case IEEE80211_AMPDU_RX_STOP:
837 break;
838 case IEEE80211_AMPDU_TX_START:
839 spin_lock_bh(&wl->lock);
840 status = brcms_c_aggregatable(wl->wlc, tid);
841 spin_unlock_bh(&wl->lock);
842 if (!status) {
843 brcms_err(wl->wlc->hw->d11core,
844 "START: tid %d is not agg\'able\n", tid);
845 return -EINVAL;
846 }
847 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
848 break;
849
850 case IEEE80211_AMPDU_TX_STOP_CONT:
851 case IEEE80211_AMPDU_TX_STOP_FLUSH:
852 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
853 spin_lock_bh(&wl->lock);
854 brcms_c_ampdu_flush(wl->wlc, sta, tid);
855 spin_unlock_bh(&wl->lock);
856 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
857 break;
858 case IEEE80211_AMPDU_TX_OPERATIONAL:
859
860
861
862
863
864
865 spin_lock_bh(&wl->lock);
866 brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
867 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
868 sta->ht_cap.ampdu_factor)) - 1);
869 spin_unlock_bh(&wl->lock);
870
871 break;
872 default:
873 brcms_err(wl->wlc->hw->d11core,
874 "%s: Invalid command, ignoring\n", __func__);
875 }
876
877 return 0;
878}
879
880static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
881{
882 struct brcms_info *wl = hw->priv;
883 bool blocked;
884
885 spin_lock_bh(&wl->lock);
886 blocked = brcms_c_check_radio_disabled(wl->wlc);
887 spin_unlock_bh(&wl->lock);
888
889 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
890}
891
892static bool brcms_tx_flush_completed(struct brcms_info *wl)
893{
894 bool result;
895
896 spin_lock_bh(&wl->lock);
897 result = brcms_c_tx_flush_completed(wl->wlc);
898 spin_unlock_bh(&wl->lock);
899 return result;
900}
901
902static void brcms_ops_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
903{
904 struct brcms_info *wl = hw->priv;
905 int ret;
906
907 no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
908
909 ret = wait_event_timeout(wl->tx_flush_wq,
910 brcms_tx_flush_completed(wl),
911 msecs_to_jiffies(BRCMS_FLUSH_TIMEOUT));
912
913 brcms_dbg_mac80211(wl->wlc->hw->d11core,
914 "ret=%d\n", jiffies_to_msecs(ret));
915}
916
917static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
918{
919 struct brcms_info *wl = hw->priv;
920 u64 tsf;
921
922 spin_lock_bh(&wl->lock);
923 tsf = brcms_c_tsf_get(wl->wlc);
924 spin_unlock_bh(&wl->lock);
925
926 return tsf;
927}
928
929static void brcms_ops_set_tsf(struct ieee80211_hw *hw,
930 struct ieee80211_vif *vif, u64 tsf)
931{
932 struct brcms_info *wl = hw->priv;
933
934 spin_lock_bh(&wl->lock);
935 brcms_c_tsf_set(wl->wlc, tsf);
936 spin_unlock_bh(&wl->lock);
937}
938
939static const struct ieee80211_ops brcms_ops = {
940 .tx = brcms_ops_tx,
941 .start = brcms_ops_start,
942 .stop = brcms_ops_stop,
943 .add_interface = brcms_ops_add_interface,
944 .remove_interface = brcms_ops_remove_interface,
945 .config = brcms_ops_config,
946 .bss_info_changed = brcms_ops_bss_info_changed,
947 .configure_filter = brcms_ops_configure_filter,
948 .sw_scan_start = brcms_ops_sw_scan_start,
949 .sw_scan_complete = brcms_ops_sw_scan_complete,
950 .conf_tx = brcms_ops_conf_tx,
951 .sta_add = brcms_ops_sta_add,
952 .ampdu_action = brcms_ops_ampdu_action,
953 .rfkill_poll = brcms_ops_rfkill_poll,
954 .flush = brcms_ops_flush,
955 .get_tsf = brcms_ops_get_tsf,
956 .set_tsf = brcms_ops_set_tsf,
957};
958
959void brcms_dpc(unsigned long data)
960{
961 struct brcms_info *wl;
962
963 wl = (struct brcms_info *) data;
964
965 spin_lock_bh(&wl->lock);
966
967
968 if (wl->pub->up) {
969 if (wl->resched) {
970 unsigned long flags;
971
972 spin_lock_irqsave(&wl->isr_lock, flags);
973 brcms_c_intrsupd(wl->wlc);
974 spin_unlock_irqrestore(&wl->isr_lock, flags);
975 }
976
977 wl->resched = brcms_c_dpc(wl->wlc, true);
978 }
979
980
981 if (!wl->pub->up)
982 goto done;
983
984
985 if (wl->resched)
986 tasklet_schedule(&wl->tasklet);
987 else
988
989 brcms_intrson(wl);
990
991 done:
992 spin_unlock_bh(&wl->lock);
993 wake_up(&wl->tx_flush_wq);
994}
995
996static irqreturn_t brcms_isr(int irq, void *dev_id)
997{
998 struct brcms_info *wl;
999 irqreturn_t ret = IRQ_NONE;
1000
1001 wl = (struct brcms_info *) dev_id;
1002
1003 spin_lock(&wl->isr_lock);
1004
1005
1006 if (brcms_c_isr(wl->wlc)) {
1007
1008 tasklet_schedule(&wl->tasklet);
1009 ret = IRQ_HANDLED;
1010 }
1011
1012 spin_unlock(&wl->isr_lock);
1013
1014 return ret;
1015}
1016
1017
1018
1019
1020static int ieee_hw_rate_init(struct ieee80211_hw *hw)
1021{
1022 struct brcms_info *wl = hw->priv;
1023 struct brcms_c_info *wlc = wl->wlc;
1024 struct ieee80211_supported_band *band;
1025 int has_5g = 0;
1026 u16 phy_type;
1027
1028 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
1029 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
1030
1031 phy_type = brcms_c_get_phy_type(wl->wlc, 0);
1032 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1033 band = &wlc->bandstate[BAND_2G_INDEX]->band;
1034 *band = brcms_band_2GHz_nphy_template;
1035 if (phy_type == PHY_TYPE_LCN) {
1036
1037 band->ht_cap.mcs.rx_mask[1] = 0;
1038 band->ht_cap.mcs.rx_highest = cpu_to_le16(72);
1039 }
1040 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
1041 } else {
1042 return -EPERM;
1043 }
1044
1045
1046 if (wl->pub->_nbands > 1) {
1047 has_5g++;
1048 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1049 band = &wlc->bandstate[BAND_5G_INDEX]->band;
1050 *band = brcms_band_5GHz_nphy_template;
1051 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
1052 } else {
1053 return -EPERM;
1054 }
1055 }
1056 return 0;
1057}
1058
1059
1060
1061
1062static int ieee_hw_init(struct ieee80211_hw *hw)
1063{
1064 hw->flags = IEEE80211_HW_SIGNAL_DBM
1065
1066 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
1067 | IEEE80211_HW_AMPDU_AGGREGATION;
1068
1069 hw->extra_tx_headroom = brcms_c_get_header_len();
1070 hw->queues = N_TX_QUEUES;
1071 hw->max_rates = 2;
1072
1073
1074 hw->channel_change_time = 7 * 1000;
1075 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1076 BIT(NL80211_IFTYPE_AP) |
1077 BIT(NL80211_IFTYPE_ADHOC);
1078
1079
1080
1081
1082
1083
1084
1085
1086 hw->rate_control_algorithm = "minstrel_ht";
1087
1088 hw->sta_data_size = 0;
1089 return ieee_hw_rate_init(hw);
1090}
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106static struct brcms_info *brcms_attach(struct bcma_device *pdev)
1107{
1108 struct brcms_info *wl = NULL;
1109 int unit, err;
1110 struct ieee80211_hw *hw;
1111 u8 perm[ETH_ALEN];
1112
1113 unit = n_adapters_found;
1114 err = 0;
1115
1116 if (unit < 0)
1117 return NULL;
1118
1119
1120 hw = bcma_get_drvdata(pdev);
1121 if (hw != NULL)
1122 wl = hw->priv;
1123 if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
1124 return NULL;
1125 wl->wiphy = hw->wiphy;
1126
1127 atomic_set(&wl->callbacks, 0);
1128
1129 init_waitqueue_head(&wl->tx_flush_wq);
1130
1131
1132 tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
1133
1134 spin_lock_init(&wl->lock);
1135 spin_lock_init(&wl->isr_lock);
1136
1137
1138 wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err);
1139 if (!wl->wlc) {
1140 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
1141 KBUILD_MODNAME, err);
1142 goto fail;
1143 }
1144 wl->pub = brcms_c_pub(wl->wlc);
1145
1146 wl->pub->ieee_hw = hw;
1147
1148
1149 if (request_irq(pdev->irq, brcms_isr,
1150 IRQF_SHARED, KBUILD_MODNAME, wl)) {
1151 wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
1152 goto fail;
1153 }
1154 wl->irq = pdev->irq;
1155
1156
1157 brcms_c_module_register(wl->pub, "linux", wl, NULL);
1158
1159 if (ieee_hw_init(hw)) {
1160 wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
1161 __func__);
1162 goto fail;
1163 }
1164
1165 brcms_c_regd_init(wl->wlc);
1166
1167 memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
1168 if (WARN_ON(!is_valid_ether_addr(perm)))
1169 goto fail;
1170 SET_IEEE80211_PERM_ADDR(hw, perm);
1171
1172 err = ieee80211_register_hw(hw);
1173 if (err)
1174 wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
1175 "%d\n", __func__, err);
1176
1177 if (wl->pub->srom_ccode[0] &&
1178 regulatory_hint(wl->wiphy, wl->pub->srom_ccode))
1179 wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__);
1180
1181 brcms_debugfs_attach(wl->pub);
1182 brcms_debugfs_create_files(wl->pub);
1183 n_adapters_found++;
1184 return wl;
1185
1186fail:
1187 brcms_free(wl);
1188 return NULL;
1189}
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201static int brcms_bcma_probe(struct bcma_device *pdev)
1202{
1203 struct brcms_info *wl;
1204 struct ieee80211_hw *hw;
1205
1206 dev_info(&pdev->dev, "mfg %x core %x rev %d class %d irq %d\n",
1207 pdev->id.manuf, pdev->id.id, pdev->id.rev, pdev->id.class,
1208 pdev->irq);
1209
1210 if ((pdev->id.manuf != BCMA_MANUF_BCM) ||
1211 (pdev->id.id != BCMA_CORE_80211))
1212 return -ENODEV;
1213
1214 hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
1215 if (!hw) {
1216 pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
1217 return -ENOMEM;
1218 }
1219
1220 SET_IEEE80211_DEV(hw, &pdev->dev);
1221
1222 bcma_set_drvdata(pdev, hw);
1223
1224 memset(hw->priv, 0, sizeof(*wl));
1225
1226 wl = brcms_attach(pdev);
1227 if (!wl) {
1228 pr_err("%s: brcms_attach failed!\n", __func__);
1229 return -ENODEV;
1230 }
1231 brcms_led_register(wl);
1232
1233 return 0;
1234}
1235
1236static int brcms_suspend(struct bcma_device *pdev)
1237{
1238 struct brcms_info *wl;
1239 struct ieee80211_hw *hw;
1240
1241 hw = bcma_get_drvdata(pdev);
1242 wl = hw->priv;
1243 if (!wl) {
1244 pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME,
1245 __func__);
1246 return -ENODEV;
1247 }
1248
1249
1250 spin_lock_bh(&wl->lock);
1251 wl->pub->hw_up = false;
1252 spin_unlock_bh(&wl->lock);
1253
1254 brcms_dbg_info(wl->wlc->hw->d11core, "brcms_suspend ok\n");
1255
1256 return 0;
1257}
1258
1259static int brcms_resume(struct bcma_device *pdev)
1260{
1261 return 0;
1262}
1263
1264static struct bcma_driver brcms_bcma_driver = {
1265 .name = KBUILD_MODNAME,
1266 .probe = brcms_bcma_probe,
1267 .suspend = brcms_suspend,
1268 .resume = brcms_resume,
1269 .remove = brcms_remove,
1270 .id_table = brcms_coreid_table,
1271};
1272
1273
1274
1275
1276
1277
1278
1279
1280static void brcms_driver_init(struct work_struct *work)
1281{
1282 int error;
1283
1284 error = bcma_driver_register(&brcms_bcma_driver);
1285 if (error)
1286 pr_err("%s: register returned %d\n", __func__, error);
1287}
1288
1289static DECLARE_WORK(brcms_driver_work, brcms_driver_init);
1290
1291static int __init brcms_module_init(void)
1292{
1293 brcms_debugfs_init();
1294 if (!schedule_work(&brcms_driver_work))
1295 return -EBUSY;
1296
1297 return 0;
1298}
1299
1300
1301
1302
1303
1304
1305
1306
1307static void __exit brcms_module_exit(void)
1308{
1309 cancel_work_sync(&brcms_driver_work);
1310 bcma_driver_unregister(&brcms_bcma_driver);
1311 brcms_debugfs_exit();
1312}
1313
1314module_init(brcms_module_init);
1315module_exit(brcms_module_exit);
1316
1317
1318
1319
1320void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
1321 bool state, int prio)
1322{
1323 brcms_err(wl->wlc->hw->d11core, "Shouldn't be here %s\n", __func__);
1324}
1325
1326
1327
1328
1329void brcms_init(struct brcms_info *wl)
1330{
1331 brcms_dbg_info(wl->wlc->hw->d11core, "Initializing wl%d\n",
1332 wl->pub->unit);
1333 brcms_reset(wl);
1334 brcms_c_init(wl->wlc, wl->mute_tx);
1335}
1336
1337
1338
1339
1340uint brcms_reset(struct brcms_info *wl)
1341{
1342 brcms_dbg_info(wl->wlc->hw->d11core, "Resetting wl%d\n", wl->pub->unit);
1343 brcms_c_reset(wl->wlc);
1344
1345
1346 wl->resched = false;
1347
1348
1349 wl->pub->up = false;
1350
1351 return 0;
1352}
1353
1354void brcms_fatal_error(struct brcms_info *wl)
1355{
1356 brcms_err(wl->wlc->hw->d11core, "wl%d: fatal error, reinitializing\n",
1357 wl->wlc->pub->unit);
1358 brcms_reset(wl);
1359 ieee80211_restart_hw(wl->pub->ieee_hw);
1360}
1361
1362
1363
1364
1365
1366void brcms_intrson(struct brcms_info *wl)
1367{
1368 unsigned long flags;
1369
1370 spin_lock_irqsave(&wl->isr_lock, flags);
1371 brcms_c_intrson(wl->wlc);
1372 spin_unlock_irqrestore(&wl->isr_lock, flags);
1373}
1374
1375u32 brcms_intrsoff(struct brcms_info *wl)
1376{
1377 unsigned long flags;
1378 u32 status;
1379
1380 spin_lock_irqsave(&wl->isr_lock, flags);
1381 status = brcms_c_intrsoff(wl->wlc);
1382 spin_unlock_irqrestore(&wl->isr_lock, flags);
1383 return status;
1384}
1385
1386void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
1387{
1388 unsigned long flags;
1389
1390 spin_lock_irqsave(&wl->isr_lock, flags);
1391 brcms_c_intrsrestore(wl->wlc, macintmask);
1392 spin_unlock_irqrestore(&wl->isr_lock, flags);
1393}
1394
1395
1396
1397
1398int brcms_up(struct brcms_info *wl)
1399{
1400 int error = 0;
1401
1402 if (wl->pub->up)
1403 return 0;
1404
1405 error = brcms_c_up(wl->wlc);
1406
1407 return error;
1408}
1409
1410
1411
1412
1413void brcms_down(struct brcms_info *wl)
1414{
1415 uint callbacks, ret_val = 0;
1416
1417
1418 ret_val = brcms_c_down(wl->wlc);
1419 callbacks = atomic_read(&wl->callbacks) - ret_val;
1420
1421
1422 spin_unlock_bh(&wl->lock);
1423
1424
1425
1426
1427 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1428
1429 spin_lock_bh(&wl->lock);
1430}
1431
1432
1433
1434
1435static void _brcms_timer(struct work_struct *work)
1436{
1437 struct brcms_timer *t = container_of(work, struct brcms_timer,
1438 dly_wrk.work);
1439
1440 spin_lock_bh(&t->wl->lock);
1441
1442 if (t->set) {
1443 if (t->periodic) {
1444 atomic_inc(&t->wl->callbacks);
1445 ieee80211_queue_delayed_work(t->wl->pub->ieee_hw,
1446 &t->dly_wrk,
1447 msecs_to_jiffies(t->ms));
1448 } else {
1449 t->set = false;
1450 }
1451
1452 t->fn(t->arg);
1453 }
1454
1455 atomic_dec(&t->wl->callbacks);
1456
1457 spin_unlock_bh(&t->wl->lock);
1458}
1459
1460
1461
1462
1463
1464
1465
1466struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
1467 void (*fn) (void *arg),
1468 void *arg, const char *name)
1469{
1470 struct brcms_timer *t;
1471
1472 t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
1473 if (!t)
1474 return NULL;
1475
1476 INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer);
1477 t->wl = wl;
1478 t->fn = fn;
1479 t->arg = arg;
1480 t->next = wl->timers;
1481 wl->timers = t;
1482
1483#ifdef DEBUG
1484 t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1485 if (t->name)
1486 strcpy(t->name, name);
1487#endif
1488
1489 return t;
1490}
1491
1492
1493
1494
1495
1496
1497
1498void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
1499{
1500 struct ieee80211_hw *hw = t->wl->pub->ieee_hw;
1501
1502#ifdef DEBUG
1503 if (t->set)
1504 brcms_dbg_info(t->wl->wlc->hw->d11core,
1505 "%s: Already set. Name: %s, per %d\n",
1506 __func__, t->name, periodic);
1507#endif
1508 t->ms = ms;
1509 t->periodic = (bool) periodic;
1510 if (!t->set) {
1511 t->set = true;
1512 atomic_inc(&t->wl->callbacks);
1513 }
1514
1515 ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
1516}
1517
1518
1519
1520
1521
1522
1523bool brcms_del_timer(struct brcms_timer *t)
1524{
1525 if (t->set) {
1526 t->set = false;
1527 if (!cancel_delayed_work(&t->dly_wrk))
1528 return false;
1529
1530 atomic_dec(&t->wl->callbacks);
1531 }
1532
1533 return true;
1534}
1535
1536
1537
1538
1539void brcms_free_timer(struct brcms_timer *t)
1540{
1541 struct brcms_info *wl = t->wl;
1542 struct brcms_timer *tmp;
1543
1544
1545 brcms_del_timer(t);
1546
1547 if (wl->timers == t) {
1548 wl->timers = wl->timers->next;
1549#ifdef DEBUG
1550 kfree(t->name);
1551#endif
1552 kfree(t);
1553 return;
1554
1555 }
1556
1557 tmp = wl->timers;
1558 while (tmp) {
1559 if (tmp->next == t) {
1560 tmp->next = t->next;
1561#ifdef DEBUG
1562 kfree(t->name);
1563#endif
1564 kfree(t);
1565 return;
1566 }
1567 tmp = tmp->next;
1568 }
1569
1570}
1571
1572
1573
1574
1575int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
1576{
1577 int i, entry;
1578 const u8 *pdata;
1579 struct firmware_hdr *hdr;
1580 for (i = 0; i < wl->fw.fw_cnt; i++) {
1581 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1582 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1583 entry++, hdr++) {
1584 u32 len = le32_to_cpu(hdr->len);
1585 if (le32_to_cpu(hdr->idx) == idx) {
1586 pdata = wl->fw.fw_bin[i]->data +
1587 le32_to_cpu(hdr->offset);
1588 *pbuf = kmemdup(pdata, len, GFP_ATOMIC);
1589 if (*pbuf == NULL)
1590 goto fail;
1591
1592 return 0;
1593 }
1594 }
1595 }
1596 brcms_err(wl->wlc->hw->d11core,
1597 "ERROR: ucode buf tag:%d can not be found!\n", idx);
1598 *pbuf = NULL;
1599fail:
1600 return -ENODATA;
1601}
1602
1603
1604
1605
1606
1607int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx)
1608{
1609 int i, entry;
1610 const u8 *pdata;
1611 struct firmware_hdr *hdr;
1612 for (i = 0; i < wl->fw.fw_cnt; i++) {
1613 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1614 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1615 entry++, hdr++) {
1616 if (le32_to_cpu(hdr->idx) == idx) {
1617 pdata = wl->fw.fw_bin[i]->data +
1618 le32_to_cpu(hdr->offset);
1619 if (le32_to_cpu(hdr->len) != 4) {
1620 brcms_err(wl->wlc->hw->d11core,
1621 "ERROR: fw hdr len\n");
1622 return -ENOMSG;
1623 }
1624 *n_bytes = le32_to_cpu(*((__le32 *) pdata));
1625 return 0;
1626 }
1627 }
1628 }
1629 brcms_err(wl->wlc->hw->d11core,
1630 "ERROR: ucode tag:%d can not be found!\n", idx);
1631 return -ENOMSG;
1632}
1633
1634
1635
1636
1637void brcms_ucode_free_buf(void *p)
1638{
1639 kfree(p);
1640}
1641
1642
1643
1644
1645
1646
1647
1648int brcms_check_firmwares(struct brcms_info *wl)
1649{
1650 int i;
1651 int entry;
1652 int rc = 0;
1653 const struct firmware *fw;
1654 const struct firmware *fw_hdr;
1655 struct firmware_hdr *ucode_hdr;
1656 for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
1657 fw = wl->fw.fw_bin[i];
1658 fw_hdr = wl->fw.fw_hdr[i];
1659 if (fw == NULL && fw_hdr == NULL) {
1660 break;
1661 } else if (fw == NULL || fw_hdr == NULL) {
1662 wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
1663 __func__);
1664 rc = -EBADF;
1665 } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
1666 wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
1667 "size %zu/%zu\n", __func__, fw_hdr->size,
1668 sizeof(struct firmware_hdr));
1669 rc = -EBADF;
1670 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1671 wiphy_err(wl->wiphy, "%s: out of bounds fw file size %zu\n",
1672 __func__, fw->size);
1673 rc = -EBADF;
1674 } else {
1675
1676 ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
1677 for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1678 !rc; entry++, ucode_hdr++) {
1679 if (le32_to_cpu(ucode_hdr->offset) +
1680 le32_to_cpu(ucode_hdr->len) >
1681 fw->size) {
1682 wiphy_err(wl->wiphy,
1683 "%s: conflicting bin/hdr\n",
1684 __func__);
1685 rc = -EBADF;
1686 }
1687 }
1688 }
1689 }
1690 if (rc == 0 && wl->fw.fw_cnt != i) {
1691 wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
1692 wl->fw.fw_cnt);
1693 rc = -EBADF;
1694 }
1695 return rc;
1696}
1697
1698
1699
1700
1701bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
1702{
1703 bool blocked = brcms_c_check_radio_disabled(wl->wlc);
1704
1705 spin_unlock_bh(&wl->lock);
1706 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1707 if (blocked)
1708 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1709 spin_lock_bh(&wl->lock);
1710 return blocked;
1711}
1712
