Commit | Line | Data |
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5b435de0 AS |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #define __UNDEF_NO_VERSION__ | |
02f77195 | 18 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
5b435de0 AS |
19 | |
20 | #include <linux/etherdevice.h> | |
5b435de0 AS |
21 | #include <linux/sched.h> |
22 | #include <linux/firmware.h> | |
23 | #include <linux/interrupt.h> | |
45296236 | 24 | #include <linux/module.h> |
2e756560 | 25 | #include <linux/bcma/bcma.h> |
5b435de0 AS |
26 | #include <net/mac80211.h> |
27 | #include <defs.h> | |
5b435de0 AS |
28 | #include "phy/phy_int.h" |
29 | #include "d11.h" | |
30 | #include "channel.h" | |
31 | #include "scb.h" | |
32 | #include "pub.h" | |
33 | #include "ucode_loader.h" | |
34 | #include "mac80211_if.h" | |
35 | #include "main.h" | |
b353dda4 | 36 | #include "debug.h" |
5b435de0 AS |
37 | |
38 | #define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */ | |
39 | ||
40 | /* Flags we support */ | |
41 | #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \ | |
42 | FIF_ALLMULTI | \ | |
43 | FIF_FCSFAIL | \ | |
5b435de0 AS |
44 | FIF_CONTROL | \ |
45 | FIF_OTHER_BSS | \ | |
be667669 AB |
46 | FIF_BCN_PRBRESP_PROMISC | \ |
47 | FIF_PSPOLL) | |
5b435de0 AS |
48 | |
49 | #define CHAN2GHZ(channel, freqency, chflags) { \ | |
50 | .band = IEEE80211_BAND_2GHZ, \ | |
51 | .center_freq = (freqency), \ | |
52 | .hw_value = (channel), \ | |
53 | .flags = chflags, \ | |
54 | .max_antenna_gain = 0, \ | |
55 | .max_power = 19, \ | |
56 | } | |
57 | ||
58 | #define CHAN5GHZ(channel, chflags) { \ | |
59 | .band = IEEE80211_BAND_5GHZ, \ | |
60 | .center_freq = 5000 + 5*(channel), \ | |
61 | .hw_value = (channel), \ | |
62 | .flags = chflags, \ | |
63 | .max_antenna_gain = 0, \ | |
64 | .max_power = 21, \ | |
65 | } | |
66 | ||
67 | #define RATE(rate100m, _flags) { \ | |
68 | .bitrate = (rate100m), \ | |
69 | .flags = (_flags), \ | |
70 | .hw_value = (rate100m / 5), \ | |
71 | } | |
72 | ||
73 | struct firmware_hdr { | |
74 | __le32 offset; | |
75 | __le32 len; | |
76 | __le32 idx; | |
77 | }; | |
78 | ||
79 | static const char * const brcms_firmwares[MAX_FW_IMAGES] = { | |
80 | "brcm/bcm43xx", | |
81 | NULL | |
82 | }; | |
83 | ||
84 | static int n_adapters_found; | |
85 | ||
86 | MODULE_AUTHOR("Broadcom Corporation"); | |
87 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver."); | |
88 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards"); | |
89 | MODULE_LICENSE("Dual BSD/GPL"); | |
faa97bd4 JM |
90 | /* This needs to be adjusted when brcms_firmwares changes */ |
91 | MODULE_FIRMWARE("brcm/bcm43xx-0.fw"); | |
92 | MODULE_FIRMWARE("brcm/bcm43xx_hdr-0.fw"); | |
5b435de0 | 93 | |
2e756560 AS |
94 | /* recognized BCMA Core IDs */ |
95 | static struct bcma_device_id brcms_coreid_table[] = { | |
6f80f014 | 96 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 17, BCMA_ANY_CLASS), |
eb032f03 AS |
97 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 23, BCMA_ANY_CLASS), |
98 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 24, BCMA_ANY_CLASS), | |
2e756560 AS |
99 | BCMA_CORETABLE_END |
100 | }; | |
101 | MODULE_DEVICE_TABLE(bcma, brcms_coreid_table); | |
5b435de0 | 102 | |
b0341744 SF |
103 | #if defined(CONFIG_BRCMDBG) |
104 | /* | |
105 | * Module parameter for setting the debug message level. Available | |
106 | * flags are specified by the BRCM_DL_* macros in | |
107 | * drivers/net/wireless/brcm80211/include/defs.h. | |
108 | */ | |
109 | module_param_named(debug, brcm_msg_level, uint, S_IRUGO | S_IWUSR); | |
110 | #endif | |
5b435de0 AS |
111 | |
112 | static struct ieee80211_channel brcms_2ghz_chantable[] = { | |
113 | CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS), | |
114 | CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS), | |
115 | CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS), | |
116 | CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS), | |
117 | CHAN2GHZ(5, 2432, 0), | |
118 | CHAN2GHZ(6, 2437, 0), | |
119 | CHAN2GHZ(7, 2442, 0), | |
120 | CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS), | |
121 | CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS), | |
122 | CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS), | |
123 | CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS), | |
124 | CHAN2GHZ(12, 2467, | |
125 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
126 | IEEE80211_CHAN_NO_HT40PLUS), | |
127 | CHAN2GHZ(13, 2472, | |
128 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
129 | IEEE80211_CHAN_NO_HT40PLUS), | |
130 | CHAN2GHZ(14, 2484, | |
131 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
7f38e5bc SF |
132 | IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS | |
133 | IEEE80211_CHAN_NO_OFDM) | |
5b435de0 AS |
134 | }; |
135 | ||
136 | static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = { | |
137 | /* UNII-1 */ | |
138 | CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS), | |
139 | CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS), | |
140 | CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS), | |
141 | CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS), | |
142 | /* UNII-2 */ | |
143 | CHAN5GHZ(52, | |
144 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
145 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
146 | CHAN5GHZ(56, | |
147 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
148 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
149 | CHAN5GHZ(60, | |
150 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
151 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
152 | CHAN5GHZ(64, | |
153 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
154 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
155 | /* MID */ | |
156 | CHAN5GHZ(100, | |
157 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
158 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
159 | CHAN5GHZ(104, | |
160 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
161 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
162 | CHAN5GHZ(108, | |
163 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
164 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
165 | CHAN5GHZ(112, | |
166 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
167 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
168 | CHAN5GHZ(116, | |
169 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
170 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
171 | CHAN5GHZ(120, | |
172 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
173 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
174 | CHAN5GHZ(124, | |
175 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
176 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
177 | CHAN5GHZ(128, | |
178 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
179 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
180 | CHAN5GHZ(132, | |
181 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
182 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
183 | CHAN5GHZ(136, | |
184 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
185 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
186 | CHAN5GHZ(140, | |
187 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
188 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS | | |
189 | IEEE80211_CHAN_NO_HT40MINUS), | |
190 | /* UNII-3 */ | |
191 | CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS), | |
192 | CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS), | |
193 | CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS), | |
194 | CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS), | |
195 | CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
196 | }; | |
197 | ||
198 | /* | |
199 | * The rate table is used for both 2.4G and 5G rates. The | |
200 | * latter being a subset as it does not support CCK rates. | |
201 | */ | |
202 | static struct ieee80211_rate legacy_ratetable[] = { | |
203 | RATE(10, 0), | |
204 | RATE(20, IEEE80211_RATE_SHORT_PREAMBLE), | |
205 | RATE(55, IEEE80211_RATE_SHORT_PREAMBLE), | |
206 | RATE(110, IEEE80211_RATE_SHORT_PREAMBLE), | |
207 | RATE(60, 0), | |
208 | RATE(90, 0), | |
209 | RATE(120, 0), | |
210 | RATE(180, 0), | |
211 | RATE(240, 0), | |
212 | RATE(360, 0), | |
213 | RATE(480, 0), | |
214 | RATE(540, 0), | |
215 | }; | |
216 | ||
217 | static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = { | |
218 | .band = IEEE80211_BAND_2GHZ, | |
219 | .channels = brcms_2ghz_chantable, | |
220 | .n_channels = ARRAY_SIZE(brcms_2ghz_chantable), | |
221 | .bitrates = legacy_ratetable, | |
222 | .n_bitrates = ARRAY_SIZE(legacy_ratetable), | |
223 | .ht_cap = { | |
224 | /* from include/linux/ieee80211.h */ | |
225 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
6b1a89af | 226 | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40, |
5b435de0 AS |
227 | .ht_supported = true, |
228 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, | |
229 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, | |
230 | .mcs = { | |
231 | /* placeholders for now */ | |
232 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, | |
233 | .rx_highest = cpu_to_le16(500), | |
234 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} | |
235 | } | |
236 | }; | |
237 | ||
238 | static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = { | |
239 | .band = IEEE80211_BAND_5GHZ, | |
240 | .channels = brcms_5ghz_nphy_chantable, | |
241 | .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable), | |
242 | .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET, | |
243 | .n_bitrates = ARRAY_SIZE(legacy_ratetable) - | |
244 | BRCMS_LEGACY_5G_RATE_OFFSET, | |
245 | .ht_cap = { | |
246 | .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | | |
6b1a89af | 247 | IEEE80211_HT_CAP_SGI_40, |
5b435de0 AS |
248 | .ht_supported = true, |
249 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, | |
250 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, | |
251 | .mcs = { | |
252 | /* placeholders for now */ | |
253 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, | |
254 | .rx_highest = cpu_to_le16(500), | |
255 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} | |
256 | } | |
257 | }; | |
258 | ||
259 | /* flags the given rate in rateset as requested */ | |
260 | static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br) | |
261 | { | |
262 | u32 i; | |
263 | ||
264 | for (i = 0; i < rs->count; i++) { | |
265 | if (rate != (rs->rates[i] & 0x7f)) | |
266 | continue; | |
267 | ||
268 | if (is_br) | |
269 | rs->rates[i] |= BRCMS_RATE_FLAG; | |
270 | else | |
271 | rs->rates[i] &= BRCMS_RATE_MASK; | |
272 | return; | |
273 | } | |
274 | } | |
275 | ||
36323f81 TH |
276 | static void brcms_ops_tx(struct ieee80211_hw *hw, |
277 | struct ieee80211_tx_control *control, | |
278 | struct sk_buff *skb) | |
5b435de0 AS |
279 | { |
280 | struct brcms_info *wl = hw->priv; | |
644e8c07 | 281 | struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); |
5b435de0 AS |
282 | |
283 | spin_lock_bh(&wl->lock); | |
284 | if (!wl->pub->up) { | |
b353dda4 | 285 | brcms_err(wl->wlc->hw->d11core, "ops->tx called while down\n"); |
5b435de0 AS |
286 | kfree_skb(skb); |
287 | goto done; | |
288 | } | |
c4dea35e PH |
289 | if (brcms_c_sendpkt_mac80211(wl->wlc, skb, hw)) |
290 | tx_info->rate_driver_data[0] = control->sta; | |
5b435de0 AS |
291 | done: |
292 | spin_unlock_bh(&wl->lock); | |
293 | } | |
294 | ||
295 | static int brcms_ops_start(struct ieee80211_hw *hw) | |
296 | { | |
297 | struct brcms_info *wl = hw->priv; | |
298 | bool blocked; | |
2646c46d | 299 | int err; |
5b435de0 AS |
300 | |
301 | ieee80211_wake_queues(hw); | |
302 | spin_lock_bh(&wl->lock); | |
303 | blocked = brcms_rfkill_set_hw_state(wl); | |
304 | spin_unlock_bh(&wl->lock); | |
305 | if (!blocked) | |
306 | wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); | |
307 | ||
2646c46d | 308 | spin_lock_bh(&wl->lock); |
dc460127 RV |
309 | /* avoid acknowledging frames before a non-monitor device is added */ |
310 | wl->mute_tx = true; | |
311 | ||
2646c46d | 312 | if (!wl->pub->up) |
82d8eba3 PH |
313 | if (!blocked) |
314 | err = brcms_up(wl); | |
315 | else | |
316 | err = -ERFKILL; | |
2646c46d RV |
317 | else |
318 | err = -ENODEV; | |
319 | spin_unlock_bh(&wl->lock); | |
320 | ||
321 | if (err != 0) | |
b353dda4 SF |
322 | brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n", |
323 | __func__, err); | |
2646c46d | 324 | return err; |
5b435de0 AS |
325 | } |
326 | ||
327 | static void brcms_ops_stop(struct ieee80211_hw *hw) | |
328 | { | |
2646c46d RV |
329 | struct brcms_info *wl = hw->priv; |
330 | int status; | |
331 | ||
5b435de0 | 332 | ieee80211_stop_queues(hw); |
2646c46d RV |
333 | |
334 | if (wl->wlc == NULL) | |
335 | return; | |
336 | ||
337 | spin_lock_bh(&wl->lock); | |
cacaa64b | 338 | status = brcms_c_chipmatch(wl->wlc->hw->d11core); |
2646c46d RV |
339 | spin_unlock_bh(&wl->lock); |
340 | if (!status) { | |
b353dda4 | 341 | brcms_err(wl->wlc->hw->d11core, |
2646c46d RV |
342 | "wl: brcms_ops_stop: chipmatch failed\n"); |
343 | return; | |
344 | } | |
345 | ||
346 | /* put driver in down state */ | |
347 | spin_lock_bh(&wl->lock); | |
348 | brcms_down(wl); | |
349 | spin_unlock_bh(&wl->lock); | |
5b435de0 AS |
350 | } |
351 | ||
352 | static int | |
353 | brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
354 | { | |
dc460127 RV |
355 | struct brcms_info *wl = hw->priv; |
356 | ||
5b435de0 | 357 | /* Just STA for now */ |
1525662a | 358 | if (vif->type != NL80211_IFTYPE_STATION) { |
b353dda4 SF |
359 | brcms_err(wl->wlc->hw->d11core, |
360 | "%s: Attempt to add type %d, only STA for now\n", | |
361 | __func__, vif->type); | |
5b435de0 AS |
362 | return -EOPNOTSUPP; |
363 | } | |
364 | ||
dc460127 RV |
365 | wl->mute_tx = false; |
366 | brcms_c_mute(wl->wlc, false); | |
367 | ||
2646c46d | 368 | return 0; |
5b435de0 AS |
369 | } |
370 | ||
371 | static void | |
372 | brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
373 | { | |
5b435de0 AS |
374 | } |
375 | ||
376 | static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed) | |
377 | { | |
378 | struct ieee80211_conf *conf = &hw->conf; | |
379 | struct brcms_info *wl = hw->priv; | |
b353dda4 | 380 | struct bcma_device *core = wl->wlc->hw->d11core; |
5b435de0 AS |
381 | int err = 0; |
382 | int new_int; | |
5b435de0 AS |
383 | |
384 | spin_lock_bh(&wl->lock); | |
385 | if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { | |
386 | brcms_c_set_beacon_listen_interval(wl->wlc, | |
387 | conf->listen_interval); | |
388 | } | |
389 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) | |
b353dda4 SF |
390 | brcms_dbg_info(core, "%s: change monitor mode: %s\n", |
391 | __func__, conf->flags & IEEE80211_CONF_MONITOR ? | |
392 | "true" : "false"); | |
5b435de0 | 393 | if (changed & IEEE80211_CONF_CHANGE_PS) |
b353dda4 | 394 | brcms_err(core, "%s: change power-save mode: %s (implement)\n", |
5b435de0 AS |
395 | __func__, conf->flags & IEEE80211_CONF_PS ? |
396 | "true" : "false"); | |
397 | ||
398 | if (changed & IEEE80211_CONF_CHANGE_POWER) { | |
399 | err = brcms_c_set_tx_power(wl->wlc, conf->power_level); | |
400 | if (err < 0) { | |
b353dda4 | 401 | brcms_err(core, "%s: Error setting power_level\n", |
5b435de0 AS |
402 | __func__); |
403 | goto config_out; | |
404 | } | |
405 | new_int = brcms_c_get_tx_power(wl->wlc); | |
406 | if (new_int != conf->power_level) | |
b353dda4 SF |
407 | brcms_err(core, |
408 | "%s: Power level req != actual, %d %d\n", | |
409 | __func__, conf->power_level, | |
5b435de0 AS |
410 | new_int); |
411 | } | |
412 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
413 | if (conf->channel_type == NL80211_CHAN_HT20 || | |
414 | conf->channel_type == NL80211_CHAN_NO_HT) | |
415 | err = brcms_c_set_channel(wl->wlc, | |
416 | conf->channel->hw_value); | |
417 | else | |
418 | err = -ENOTSUPP; | |
419 | } | |
420 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) | |
421 | err = brcms_c_set_rate_limit(wl->wlc, | |
422 | conf->short_frame_max_tx_count, | |
423 | conf->long_frame_max_tx_count); | |
424 | ||
425 | config_out: | |
426 | spin_unlock_bh(&wl->lock); | |
427 | return err; | |
428 | } | |
429 | ||
430 | static void | |
431 | brcms_ops_bss_info_changed(struct ieee80211_hw *hw, | |
432 | struct ieee80211_vif *vif, | |
433 | struct ieee80211_bss_conf *info, u32 changed) | |
434 | { | |
435 | struct brcms_info *wl = hw->priv; | |
b353dda4 | 436 | struct bcma_device *core = wl->wlc->hw->d11core; |
5b435de0 AS |
437 | |
438 | if (changed & BSS_CHANGED_ASSOC) { | |
439 | /* association status changed (associated/disassociated) | |
440 | * also implies a change in the AID. | |
441 | */ | |
b353dda4 | 442 | brcms_err(core, "%s: %s: %sassociated\n", KBUILD_MODNAME, |
5b435de0 AS |
443 | __func__, info->assoc ? "" : "dis"); |
444 | spin_lock_bh(&wl->lock); | |
445 | brcms_c_associate_upd(wl->wlc, info->assoc); | |
446 | spin_unlock_bh(&wl->lock); | |
447 | } | |
448 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
449 | s8 val; | |
450 | ||
451 | /* slot timing changed */ | |
452 | if (info->use_short_slot) | |
453 | val = 1; | |
454 | else | |
455 | val = 0; | |
456 | spin_lock_bh(&wl->lock); | |
457 | brcms_c_set_shortslot_override(wl->wlc, val); | |
458 | spin_unlock_bh(&wl->lock); | |
459 | } | |
460 | ||
461 | if (changed & BSS_CHANGED_HT) { | |
462 | /* 802.11n parameters changed */ | |
463 | u16 mode = info->ht_operation_mode; | |
464 | ||
465 | spin_lock_bh(&wl->lock); | |
466 | brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG, | |
467 | mode & IEEE80211_HT_OP_MODE_PROTECTION); | |
468 | brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF, | |
469 | mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); | |
470 | brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS, | |
471 | mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT); | |
472 | spin_unlock_bh(&wl->lock); | |
473 | } | |
474 | if (changed & BSS_CHANGED_BASIC_RATES) { | |
475 | struct ieee80211_supported_band *bi; | |
476 | u32 br_mask, i; | |
477 | u16 rate; | |
478 | struct brcm_rateset rs; | |
479 | int error; | |
480 | ||
481 | /* retrieve the current rates */ | |
482 | spin_lock_bh(&wl->lock); | |
483 | brcms_c_get_current_rateset(wl->wlc, &rs); | |
484 | spin_unlock_bh(&wl->lock); | |
485 | ||
486 | br_mask = info->basic_rates; | |
487 | bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)]; | |
488 | for (i = 0; i < bi->n_bitrates; i++) { | |
489 | /* convert to internal rate value */ | |
490 | rate = (bi->bitrates[i].bitrate << 1) / 10; | |
491 | ||
492 | /* set/clear basic rate flag */ | |
493 | brcms_set_basic_rate(&rs, rate, br_mask & 1); | |
494 | br_mask >>= 1; | |
495 | } | |
496 | ||
497 | /* update the rate set */ | |
498 | spin_lock_bh(&wl->lock); | |
499 | error = brcms_c_set_rateset(wl->wlc, &rs); | |
500 | spin_unlock_bh(&wl->lock); | |
501 | if (error) | |
b353dda4 | 502 | brcms_err(core, "changing basic rates failed: %d\n", |
5b435de0 AS |
503 | error); |
504 | } | |
505 | if (changed & BSS_CHANGED_BEACON_INT) { | |
506 | /* Beacon interval changed */ | |
507 | spin_lock_bh(&wl->lock); | |
508 | brcms_c_set_beacon_period(wl->wlc, info->beacon_int); | |
509 | spin_unlock_bh(&wl->lock); | |
510 | } | |
511 | if (changed & BSS_CHANGED_BSSID) { | |
512 | /* BSSID changed, for whatever reason (IBSS and managed mode) */ | |
513 | spin_lock_bh(&wl->lock); | |
514 | brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid); | |
515 | spin_unlock_bh(&wl->lock); | |
516 | } | |
517 | if (changed & BSS_CHANGED_BEACON) | |
518 | /* Beacon data changed, retrieve new beacon (beaconing modes) */ | |
b353dda4 | 519 | brcms_err(core, "%s: beacon changed\n", __func__); |
5b435de0 AS |
520 | |
521 | if (changed & BSS_CHANGED_BEACON_ENABLED) { | |
522 | /* Beaconing should be enabled/disabled (beaconing modes) */ | |
b353dda4 | 523 | brcms_err(core, "%s: Beacon enabled: %s\n", __func__, |
5b435de0 AS |
524 | info->enable_beacon ? "true" : "false"); |
525 | } | |
526 | ||
527 | if (changed & BSS_CHANGED_CQM) { | |
528 | /* Connection quality monitor config changed */ | |
b353dda4 | 529 | brcms_err(core, "%s: cqm change: threshold %d, hys %d " |
5b435de0 AS |
530 | " (implement)\n", __func__, info->cqm_rssi_thold, |
531 | info->cqm_rssi_hyst); | |
532 | } | |
533 | ||
534 | if (changed & BSS_CHANGED_IBSS) { | |
535 | /* IBSS join status changed */ | |
b353dda4 SF |
536 | brcms_err(core, "%s: IBSS joined: %s (implement)\n", |
537 | __func__, info->ibss_joined ? "true" : "false"); | |
5b435de0 AS |
538 | } |
539 | ||
540 | if (changed & BSS_CHANGED_ARP_FILTER) { | |
541 | /* Hardware ARP filter address list or state changed */ | |
b353dda4 | 542 | brcms_err(core, "%s: arp filtering: enabled %s, count %d" |
5b435de0 AS |
543 | " (implement)\n", __func__, info->arp_filter_enabled ? |
544 | "true" : "false", info->arp_addr_cnt); | |
545 | } | |
546 | ||
547 | if (changed & BSS_CHANGED_QOS) { | |
548 | /* | |
549 | * QoS for this association was enabled/disabled. | |
550 | * Note that it is only ever disabled for station mode. | |
551 | */ | |
b353dda4 SF |
552 | brcms_err(core, "%s: qos enabled: %s (implement)\n", |
553 | __func__, info->qos ? "true" : "false"); | |
5b435de0 AS |
554 | } |
555 | return; | |
556 | } | |
557 | ||
558 | static void | |
559 | brcms_ops_configure_filter(struct ieee80211_hw *hw, | |
560 | unsigned int changed_flags, | |
561 | unsigned int *total_flags, u64 multicast) | |
562 | { | |
563 | struct brcms_info *wl = hw->priv; | |
b353dda4 | 564 | struct bcma_device *core = wl->wlc->hw->d11core; |
5b435de0 AS |
565 | |
566 | changed_flags &= MAC_FILTERS; | |
567 | *total_flags &= MAC_FILTERS; | |
be667669 | 568 | |
5b435de0 | 569 | if (changed_flags & FIF_PROMISC_IN_BSS) |
b353dda4 | 570 | brcms_dbg_info(core, "FIF_PROMISC_IN_BSS\n"); |
5b435de0 | 571 | if (changed_flags & FIF_ALLMULTI) |
b353dda4 | 572 | brcms_dbg_info(core, "FIF_ALLMULTI\n"); |
5b435de0 | 573 | if (changed_flags & FIF_FCSFAIL) |
ad667867 | 574 | brcms_dbg_info(core, "FIF_FCSFAIL\n"); |
5b435de0 | 575 | if (changed_flags & FIF_CONTROL) |
b353dda4 | 576 | brcms_dbg_info(core, "FIF_CONTROL\n"); |
5b435de0 | 577 | if (changed_flags & FIF_OTHER_BSS) |
b353dda4 | 578 | brcms_dbg_info(core, "FIF_OTHER_BSS\n"); |
be667669 | 579 | if (changed_flags & FIF_PSPOLL) |
b353dda4 | 580 | brcms_dbg_info(core, "FIF_PSPOLL\n"); |
be667669 | 581 | if (changed_flags & FIF_BCN_PRBRESP_PROMISC) |
b353dda4 | 582 | brcms_dbg_info(core, "FIF_BCN_PRBRESP_PROMISC\n"); |
be667669 AB |
583 | |
584 | spin_lock_bh(&wl->lock); | |
585 | brcms_c_mac_promisc(wl->wlc, *total_flags); | |
586 | spin_unlock_bh(&wl->lock); | |
5b435de0 AS |
587 | return; |
588 | } | |
589 | ||
590 | static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw) | |
591 | { | |
592 | struct brcms_info *wl = hw->priv; | |
593 | spin_lock_bh(&wl->lock); | |
594 | brcms_c_scan_start(wl->wlc); | |
595 | spin_unlock_bh(&wl->lock); | |
596 | return; | |
597 | } | |
598 | ||
599 | static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw) | |
600 | { | |
601 | struct brcms_info *wl = hw->priv; | |
602 | spin_lock_bh(&wl->lock); | |
603 | brcms_c_scan_stop(wl->wlc); | |
604 | spin_unlock_bh(&wl->lock); | |
605 | return; | |
606 | } | |
607 | ||
608 | static int | |
609 | brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, | |
610 | const struct ieee80211_tx_queue_params *params) | |
611 | { | |
612 | struct brcms_info *wl = hw->priv; | |
613 | ||
614 | spin_lock_bh(&wl->lock); | |
615 | brcms_c_wme_setparams(wl->wlc, queue, params, true); | |
616 | spin_unlock_bh(&wl->lock); | |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
621 | static int | |
622 | brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
623 | struct ieee80211_sta *sta) | |
624 | { | |
625 | struct brcms_info *wl = hw->priv; | |
626 | struct scb *scb = &wl->wlc->pri_scb; | |
627 | ||
628 | brcms_c_init_scb(scb); | |
629 | ||
630 | wl->pub->global_ampdu = &(scb->scb_ampdu); | |
631 | wl->pub->global_ampdu->scb = scb; | |
632 | wl->pub->global_ampdu->max_pdu = 16; | |
633 | ||
5b435de0 AS |
634 | /* |
635 | * minstrel_ht initiates addBA on our behalf by calling | |
636 | * ieee80211_start_tx_ba_session() | |
637 | */ | |
638 | return 0; | |
639 | } | |
640 | ||
641 | static int | |
642 | brcms_ops_ampdu_action(struct ieee80211_hw *hw, | |
643 | struct ieee80211_vif *vif, | |
644 | enum ieee80211_ampdu_mlme_action action, | |
645 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
646 | u8 buf_size) | |
647 | { | |
648 | struct brcms_info *wl = hw->priv; | |
649 | struct scb *scb = &wl->wlc->pri_scb; | |
650 | int status; | |
651 | ||
652 | if (WARN_ON(scb->magic != SCB_MAGIC)) | |
653 | return -EIDRM; | |
654 | switch (action) { | |
655 | case IEEE80211_AMPDU_RX_START: | |
656 | break; | |
657 | case IEEE80211_AMPDU_RX_STOP: | |
658 | break; | |
659 | case IEEE80211_AMPDU_TX_START: | |
660 | spin_lock_bh(&wl->lock); | |
661 | status = brcms_c_aggregatable(wl->wlc, tid); | |
662 | spin_unlock_bh(&wl->lock); | |
663 | if (!status) { | |
b353dda4 SF |
664 | brcms_err(wl->wlc->hw->d11core, |
665 | "START: tid %d is not agg\'able\n", tid); | |
5b435de0 AS |
666 | return -EINVAL; |
667 | } | |
668 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
669 | break; | |
670 | ||
671 | case IEEE80211_AMPDU_TX_STOP: | |
672 | spin_lock_bh(&wl->lock); | |
673 | brcms_c_ampdu_flush(wl->wlc, sta, tid); | |
674 | spin_unlock_bh(&wl->lock); | |
675 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
676 | break; | |
677 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
678 | /* | |
679 | * BA window size from ADDBA response ('buf_size') defines how | |
680 | * many outstanding MPDUs are allowed for the BA stream by | |
681 | * recipient and traffic class. 'ampdu_factor' gives maximum | |
682 | * AMPDU size. | |
683 | */ | |
684 | spin_lock_bh(&wl->lock); | |
685 | brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size, | |
686 | (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
687 | sta->ht_cap.ampdu_factor)) - 1); | |
688 | spin_unlock_bh(&wl->lock); | |
689 | /* Power save wakeup */ | |
690 | break; | |
691 | default: | |
b353dda4 SF |
692 | brcms_err(wl->wlc->hw->d11core, |
693 | "%s: Invalid command, ignoring\n", __func__); | |
5b435de0 AS |
694 | } |
695 | ||
696 | return 0; | |
697 | } | |
698 | ||
699 | static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw) | |
700 | { | |
701 | struct brcms_info *wl = hw->priv; | |
702 | bool blocked; | |
703 | ||
704 | spin_lock_bh(&wl->lock); | |
705 | blocked = brcms_c_check_radio_disabled(wl->wlc); | |
706 | spin_unlock_bh(&wl->lock); | |
707 | ||
708 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); | |
709 | } | |
710 | ||
711 | static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop) | |
712 | { | |
713 | struct brcms_info *wl = hw->priv; | |
714 | ||
715 | no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false"); | |
716 | ||
717 | /* wait for packet queue and dma fifos to run empty */ | |
718 | spin_lock_bh(&wl->lock); | |
719 | brcms_c_wait_for_tx_completion(wl->wlc, drop); | |
720 | spin_unlock_bh(&wl->lock); | |
721 | } | |
722 | ||
723 | static const struct ieee80211_ops brcms_ops = { | |
724 | .tx = brcms_ops_tx, | |
725 | .start = brcms_ops_start, | |
726 | .stop = brcms_ops_stop, | |
727 | .add_interface = brcms_ops_add_interface, | |
728 | .remove_interface = brcms_ops_remove_interface, | |
729 | .config = brcms_ops_config, | |
730 | .bss_info_changed = brcms_ops_bss_info_changed, | |
731 | .configure_filter = brcms_ops_configure_filter, | |
732 | .sw_scan_start = brcms_ops_sw_scan_start, | |
733 | .sw_scan_complete = brcms_ops_sw_scan_complete, | |
734 | .conf_tx = brcms_ops_conf_tx, | |
735 | .sta_add = brcms_ops_sta_add, | |
736 | .ampdu_action = brcms_ops_ampdu_action, | |
737 | .rfkill_poll = brcms_ops_rfkill_poll, | |
738 | .flush = brcms_ops_flush, | |
739 | }; | |
740 | ||
5b435de0 AS |
741 | void brcms_dpc(unsigned long data) |
742 | { | |
743 | struct brcms_info *wl; | |
744 | ||
745 | wl = (struct brcms_info *) data; | |
746 | ||
747 | spin_lock_bh(&wl->lock); | |
748 | ||
749 | /* call the common second level interrupt handler */ | |
750 | if (wl->pub->up) { | |
751 | if (wl->resched) { | |
752 | unsigned long flags; | |
753 | ||
754 | spin_lock_irqsave(&wl->isr_lock, flags); | |
755 | brcms_c_intrsupd(wl->wlc); | |
756 | spin_unlock_irqrestore(&wl->isr_lock, flags); | |
757 | } | |
758 | ||
759 | wl->resched = brcms_c_dpc(wl->wlc, true); | |
760 | } | |
761 | ||
762 | /* brcms_c_dpc() may bring the driver down */ | |
763 | if (!wl->pub->up) | |
764 | goto done; | |
765 | ||
766 | /* re-schedule dpc */ | |
767 | if (wl->resched) | |
768 | tasklet_schedule(&wl->tasklet); | |
769 | else | |
770 | /* re-enable interrupts */ | |
771 | brcms_intrson(wl); | |
772 | ||
773 | done: | |
774 | spin_unlock_bh(&wl->lock); | |
775 | } | |
776 | ||
777 | /* | |
778 | * Precondition: Since this function is called in brcms_pci_probe() context, | |
779 | * no locking is required. | |
780 | */ | |
00bcda40 | 781 | static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev) |
5b435de0 AS |
782 | { |
783 | int status; | |
784 | struct device *device = &pdev->dev; | |
785 | char fw_name[100]; | |
786 | int i; | |
787 | ||
788 | memset(&wl->fw, 0, sizeof(struct brcms_firmware)); | |
789 | for (i = 0; i < MAX_FW_IMAGES; i++) { | |
790 | if (brcms_firmwares[i] == NULL) | |
791 | break; | |
792 | sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i], | |
793 | UCODE_LOADER_API_VER); | |
794 | status = request_firmware(&wl->fw.fw_bin[i], fw_name, device); | |
795 | if (status) { | |
796 | wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n", | |
797 | KBUILD_MODNAME, fw_name); | |
798 | return status; | |
799 | } | |
800 | sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i], | |
801 | UCODE_LOADER_API_VER); | |
802 | status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device); | |
803 | if (status) { | |
804 | wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n", | |
805 | KBUILD_MODNAME, fw_name); | |
806 | return status; | |
807 | } | |
808 | wl->fw.hdr_num_entries[i] = | |
809 | wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr)); | |
810 | } | |
811 | wl->fw.fw_cnt = i; | |
812 | return brcms_ucode_data_init(wl, &wl->ucode); | |
813 | } | |
814 | ||
815 | /* | |
816 | * Precondition: Since this function is called in brcms_pci_probe() context, | |
817 | * no locking is required. | |
818 | */ | |
819 | static void brcms_release_fw(struct brcms_info *wl) | |
820 | { | |
821 | int i; | |
822 | for (i = 0; i < MAX_FW_IMAGES; i++) { | |
823 | release_firmware(wl->fw.fw_bin[i]); | |
824 | release_firmware(wl->fw.fw_hdr[i]); | |
825 | } | |
826 | } | |
827 | ||
828 | /** | |
829 | * This function frees the WL per-device resources. | |
830 | * | |
831 | * This function frees resources owned by the WL device pointed to | |
832 | * by the wl parameter. | |
833 | * | |
834 | * precondition: can both be called locked and unlocked | |
835 | * | |
836 | */ | |
837 | static void brcms_free(struct brcms_info *wl) | |
838 | { | |
839 | struct brcms_timer *t, *next; | |
840 | ||
841 | /* free ucode data */ | |
842 | if (wl->fw.fw_cnt) | |
843 | brcms_ucode_data_free(&wl->ucode); | |
844 | if (wl->irq) | |
845 | free_irq(wl->irq, wl); | |
846 | ||
847 | /* kill dpc */ | |
848 | tasklet_kill(&wl->tasklet); | |
849 | ||
8e21df23 PH |
850 | if (wl->pub) { |
851 | brcms_debugfs_detach(wl->pub); | |
5b435de0 | 852 | brcms_c_module_unregister(wl->pub, "linux", wl); |
8e21df23 | 853 | } |
5b435de0 AS |
854 | |
855 | /* free common resources */ | |
856 | if (wl->wlc) { | |
857 | brcms_c_detach(wl->wlc); | |
858 | wl->wlc = NULL; | |
859 | wl->pub = NULL; | |
860 | } | |
861 | ||
862 | /* virtual interface deletion is deferred so we cannot spinwait */ | |
863 | ||
864 | /* wait for all pending callbacks to complete */ | |
865 | while (atomic_read(&wl->callbacks) > 0) | |
866 | schedule(); | |
867 | ||
868 | /* free timers */ | |
869 | for (t = wl->timers; t; t = next) { | |
870 | next = t->next; | |
8ae74654 | 871 | #ifdef DEBUG |
5b435de0 AS |
872 | kfree(t->name); |
873 | #endif | |
874 | kfree(t); | |
875 | } | |
5b435de0 AS |
876 | } |
877 | ||
878 | /* | |
2646c46d | 879 | * called from both kernel as from this kernel module (error flow on attach) |
5b435de0 AS |
880 | * precondition: perimeter lock is not acquired. |
881 | */ | |
2e756560 | 882 | static void brcms_remove(struct bcma_device *pdev) |
5b435de0 | 883 | { |
2e756560 | 884 | struct ieee80211_hw *hw = bcma_get_drvdata(pdev); |
2646c46d | 885 | struct brcms_info *wl = hw->priv; |
5b435de0 | 886 | |
5b435de0 AS |
887 | if (wl->wlc) { |
888 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false); | |
889 | wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); | |
890 | ieee80211_unregister_hw(hw); | |
5b435de0 | 891 | } |
5b435de0 AS |
892 | |
893 | brcms_free(wl); | |
894 | ||
2e756560 | 895 | bcma_set_drvdata(pdev, NULL); |
5b435de0 AS |
896 | ieee80211_free_hw(hw); |
897 | } | |
898 | ||
899 | static irqreturn_t brcms_isr(int irq, void *dev_id) | |
900 | { | |
901 | struct brcms_info *wl; | |
94d9902d | 902 | irqreturn_t ret = IRQ_NONE; |
5b435de0 AS |
903 | |
904 | wl = (struct brcms_info *) dev_id; | |
905 | ||
906 | spin_lock(&wl->isr_lock); | |
907 | ||
908 | /* call common first level interrupt handler */ | |
94d9902d PH |
909 | if (brcms_c_isr(wl->wlc)) { |
910 | /* schedule second level handler */ | |
911 | tasklet_schedule(&wl->tasklet); | |
912 | ret = IRQ_HANDLED; | |
5b435de0 AS |
913 | } |
914 | ||
915 | spin_unlock(&wl->isr_lock); | |
916 | ||
94d9902d | 917 | return ret; |
5b435de0 AS |
918 | } |
919 | ||
920 | /* | |
921 | * is called in brcms_pci_probe() context, therefore no locking required. | |
922 | */ | |
923 | static int ieee_hw_rate_init(struct ieee80211_hw *hw) | |
924 | { | |
925 | struct brcms_info *wl = hw->priv; | |
926 | struct brcms_c_info *wlc = wl->wlc; | |
927 | struct ieee80211_supported_band *band; | |
928 | int has_5g = 0; | |
929 | u16 phy_type; | |
930 | ||
931 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; | |
932 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
933 | ||
934 | phy_type = brcms_c_get_phy_type(wl->wlc, 0); | |
935 | if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) { | |
936 | band = &wlc->bandstate[BAND_2G_INDEX]->band; | |
937 | *band = brcms_band_2GHz_nphy_template; | |
938 | if (phy_type == PHY_TYPE_LCN) { | |
939 | /* Single stream */ | |
940 | band->ht_cap.mcs.rx_mask[1] = 0; | |
df4492f8 | 941 | band->ht_cap.mcs.rx_highest = cpu_to_le16(72); |
5b435de0 AS |
942 | } |
943 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band; | |
944 | } else { | |
945 | return -EPERM; | |
946 | } | |
947 | ||
948 | /* Assume all bands use the same phy. True for 11n devices. */ | |
949 | if (wl->pub->_nbands > 1) { | |
950 | has_5g++; | |
951 | if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) { | |
952 | band = &wlc->bandstate[BAND_5G_INDEX]->band; | |
953 | *band = brcms_band_5GHz_nphy_template; | |
954 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band; | |
955 | } else { | |
956 | return -EPERM; | |
957 | } | |
958 | } | |
959 | return 0; | |
960 | } | |
961 | ||
962 | /* | |
963 | * is called in brcms_pci_probe() context, therefore no locking required. | |
964 | */ | |
965 | static int ieee_hw_init(struct ieee80211_hw *hw) | |
966 | { | |
967 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
968 | /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */ | |
969 | | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
970 | | IEEE80211_HW_AMPDU_AGGREGATION; | |
971 | ||
972 | hw->extra_tx_headroom = brcms_c_get_header_len(); | |
973 | hw->queues = N_TX_QUEUES; | |
974 | hw->max_rates = 2; /* Primary rate and 1 fallback rate */ | |
975 | ||
976 | /* channel change time is dependent on chip and band */ | |
977 | hw->channel_change_time = 7 * 1000; | |
978 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); | |
979 | ||
980 | hw->rate_control_algorithm = "minstrel_ht"; | |
981 | ||
982 | hw->sta_data_size = 0; | |
983 | return ieee_hw_rate_init(hw); | |
984 | } | |
985 | ||
986 | /** | |
987 | * attach to the WL device. | |
988 | * | |
989 | * Attach to the WL device identified by vendor and device parameters. | |
990 | * regs is a host accessible memory address pointing to WL device registers. | |
991 | * | |
992 | * brcms_attach is not defined as static because in the case where no bus | |
993 | * is defined, wl_attach will never be called, and thus, gcc will issue | |
994 | * a warning that this function is defined but not used if we declare | |
995 | * it as static. | |
996 | * | |
997 | * | |
2e756560 | 998 | * is called in brcms_bcma_probe() context, therefore no locking required. |
5b435de0 | 999 | */ |
2e756560 | 1000 | static struct brcms_info *brcms_attach(struct bcma_device *pdev) |
5b435de0 AS |
1001 | { |
1002 | struct brcms_info *wl = NULL; | |
1003 | int unit, err; | |
1004 | struct ieee80211_hw *hw; | |
1005 | u8 perm[ETH_ALEN]; | |
1006 | ||
1007 | unit = n_adapters_found; | |
1008 | err = 0; | |
1009 | ||
1010 | if (unit < 0) | |
1011 | return NULL; | |
1012 | ||
1013 | /* allocate private info */ | |
2e756560 | 1014 | hw = bcma_get_drvdata(pdev); |
5b435de0 AS |
1015 | if (hw != NULL) |
1016 | wl = hw->priv; | |
1017 | if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL)) | |
1018 | return NULL; | |
1019 | wl->wiphy = hw->wiphy; | |
1020 | ||
1021 | atomic_set(&wl->callbacks, 0); | |
1022 | ||
1023 | /* setup the bottom half handler */ | |
1024 | tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl); | |
1025 | ||
5b435de0 AS |
1026 | spin_lock_init(&wl->lock); |
1027 | spin_lock_init(&wl->isr_lock); | |
1028 | ||
1029 | /* prepare ucode */ | |
00bcda40 | 1030 | if (brcms_request_fw(wl, pdev) < 0) { |
5b435de0 AS |
1031 | wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in " |
1032 | "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm"); | |
1033 | brcms_release_fw(wl); | |
2e756560 | 1034 | brcms_remove(pdev); |
5b435de0 AS |
1035 | return NULL; |
1036 | } | |
1037 | ||
1038 | /* common load-time initialization */ | |
b63337a0 | 1039 | wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err); |
5b435de0 AS |
1040 | brcms_release_fw(wl); |
1041 | if (!wl->wlc) { | |
1042 | wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n", | |
1043 | KBUILD_MODNAME, err); | |
1044 | goto fail; | |
1045 | } | |
1046 | wl->pub = brcms_c_pub(wl->wlc); | |
1047 | ||
1048 | wl->pub->ieee_hw = hw; | |
1049 | ||
5b435de0 | 1050 | /* register our interrupt handler */ |
00bcda40 | 1051 | if (request_irq(pdev->irq, brcms_isr, |
2e756560 | 1052 | IRQF_SHARED, KBUILD_MODNAME, wl)) { |
5b435de0 AS |
1053 | wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit); |
1054 | goto fail; | |
1055 | } | |
00bcda40 | 1056 | wl->irq = pdev->irq; |
5b435de0 AS |
1057 | |
1058 | /* register module */ | |
1059 | brcms_c_module_register(wl->pub, "linux", wl, NULL); | |
1060 | ||
1061 | if (ieee_hw_init(hw)) { | |
1062 | wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit, | |
1063 | __func__); | |
1064 | goto fail; | |
1065 | } | |
1066 | ||
cf03c5da SF |
1067 | brcms_c_regd_init(wl->wlc); |
1068 | ||
5b435de0 AS |
1069 | memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN); |
1070 | if (WARN_ON(!is_valid_ether_addr(perm))) | |
1071 | goto fail; | |
1072 | SET_IEEE80211_PERM_ADDR(hw, perm); | |
1073 | ||
1074 | err = ieee80211_register_hw(hw); | |
1075 | if (err) | |
1076 | wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status" | |
1077 | "%d\n", __func__, err); | |
1078 | ||
d597ee7e AS |
1079 | if (wl->pub->srom_ccode[0] && |
1080 | regulatory_hint(wl->wiphy, wl->pub->srom_ccode)) | |
1081 | wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__); | |
5b435de0 | 1082 | |
8e21df23 PH |
1083 | brcms_debugfs_attach(wl->pub); |
1084 | brcms_debugfs_create_files(wl->pub); | |
5b435de0 AS |
1085 | n_adapters_found++; |
1086 | return wl; | |
1087 | ||
1088 | fail: | |
1089 | brcms_free(wl); | |
1090 | return NULL; | |
1091 | } | |
1092 | ||
1093 | ||
1094 | ||
1095 | /** | |
1096 | * determines if a device is a WL device, and if so, attaches it. | |
1097 | * | |
1098 | * This function determines if a device pointed to by pdev is a WL device, | |
1099 | * and if so, performs a brcms_attach() on it. | |
1100 | * | |
1101 | * Perimeter lock is initialized in the course of this function. | |
1102 | */ | |
fcff0c08 | 1103 | static int brcms_bcma_probe(struct bcma_device *pdev) |
5b435de0 | 1104 | { |
5b435de0 AS |
1105 | struct brcms_info *wl; |
1106 | struct ieee80211_hw *hw; | |
5b435de0 | 1107 | |
2e756560 AS |
1108 | dev_info(&pdev->dev, "mfg %x core %x rev %d class %d irq %d\n", |
1109 | pdev->id.manuf, pdev->id.id, pdev->id.rev, pdev->id.class, | |
00bcda40 | 1110 | pdev->irq); |
5b435de0 | 1111 | |
2e756560 AS |
1112 | if ((pdev->id.manuf != BCMA_MANUF_BCM) || |
1113 | (pdev->id.id != BCMA_CORE_80211)) | |
5b435de0 | 1114 | return -ENODEV; |
5b435de0 AS |
1115 | |
1116 | hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops); | |
1117 | if (!hw) { | |
1118 | pr_err("%s: ieee80211_alloc_hw failed\n", __func__); | |
1119 | return -ENOMEM; | |
1120 | } | |
1121 | ||
1122 | SET_IEEE80211_DEV(hw, &pdev->dev); | |
1123 | ||
2e756560 | 1124 | bcma_set_drvdata(pdev, hw); |
5b435de0 AS |
1125 | |
1126 | memset(hw->priv, 0, sizeof(*wl)); | |
1127 | ||
2e756560 | 1128 | wl = brcms_attach(pdev); |
5b435de0 | 1129 | if (!wl) { |
02f77195 | 1130 | pr_err("%s: brcms_attach failed!\n", __func__); |
5b435de0 AS |
1131 | return -ENODEV; |
1132 | } | |
1133 | return 0; | |
1134 | } | |
1135 | ||
7d5869e7 | 1136 | static int brcms_suspend(struct bcma_device *pdev) |
5b435de0 AS |
1137 | { |
1138 | struct brcms_info *wl; | |
1139 | struct ieee80211_hw *hw; | |
1140 | ||
2e756560 | 1141 | hw = bcma_get_drvdata(pdev); |
5b435de0 AS |
1142 | wl = hw->priv; |
1143 | if (!wl) { | |
137dabed AS |
1144 | pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME, |
1145 | __func__); | |
5b435de0 AS |
1146 | return -ENODEV; |
1147 | } | |
1148 | ||
1149 | /* only need to flag hw is down for proper resume */ | |
1150 | spin_lock_bh(&wl->lock); | |
1151 | wl->pub->hw_up = false; | |
1152 | spin_unlock_bh(&wl->lock); | |
1153 | ||
b353dda4 | 1154 | brcms_dbg_info(wl->wlc->hw->d11core, "brcms_suspend ok\n"); |
5b435de0 | 1155 | |
2e756560 AS |
1156 | return 0; |
1157 | } | |
1158 | ||
1159 | static int brcms_resume(struct bcma_device *pdev) | |
1160 | { | |
7e9e7fa4 | 1161 | return 0; |
5b435de0 AS |
1162 | } |
1163 | ||
2e756560 | 1164 | static struct bcma_driver brcms_bcma_driver = { |
5b435de0 | 1165 | .name = KBUILD_MODNAME, |
2e756560 | 1166 | .probe = brcms_bcma_probe, |
5b435de0 AS |
1167 | .suspend = brcms_suspend, |
1168 | .resume = brcms_resume, | |
fcff0c08 | 1169 | .remove = brcms_remove, |
2e756560 | 1170 | .id_table = brcms_coreid_table, |
5b435de0 AS |
1171 | }; |
1172 | ||
1173 | /** | |
2e756560 | 1174 | * This is the main entry point for the brcmsmac driver. |
5b435de0 | 1175 | * |
b0c359b2 AS |
1176 | * This function is scheduled upon module initialization and |
1177 | * does the driver registration, which result in brcms_bcma_probe() | |
1178 | * call resulting in the driver bringup. | |
5b435de0 | 1179 | */ |
b0c359b2 | 1180 | static void brcms_driver_init(struct work_struct *work) |
5b435de0 | 1181 | { |
b0c359b2 AS |
1182 | int error; |
1183 | ||
1184 | error = bcma_driver_register(&brcms_bcma_driver); | |
1185 | if (error) | |
1186 | pr_err("%s: register returned %d\n", __func__, error); | |
1187 | } | |
1188 | ||
1189 | static DECLARE_WORK(brcms_driver_work, brcms_driver_init); | |
5b435de0 | 1190 | |
b0c359b2 AS |
1191 | static int __init brcms_module_init(void) |
1192 | { | |
8e21df23 | 1193 | brcms_debugfs_init(); |
b0c359b2 AS |
1194 | if (!schedule_work(&brcms_driver_work)) |
1195 | return -EBUSY; | |
5b435de0 | 1196 | |
b0c359b2 | 1197 | return 0; |
5b435de0 AS |
1198 | } |
1199 | ||
1200 | /** | |
2e756560 | 1201 | * This function unloads the brcmsmac driver from the system. |
5b435de0 | 1202 | * |
2e756560 | 1203 | * This function unconditionally unloads the brcmsmac driver module from the |
5b435de0 AS |
1204 | * system. |
1205 | * | |
1206 | */ | |
1207 | static void __exit brcms_module_exit(void) | |
1208 | { | |
b0c359b2 | 1209 | cancel_work_sync(&brcms_driver_work); |
2e756560 | 1210 | bcma_driver_unregister(&brcms_bcma_driver); |
8e21df23 | 1211 | brcms_debugfs_exit(); |
5b435de0 AS |
1212 | } |
1213 | ||
1214 | module_init(brcms_module_init); | |
1215 | module_exit(brcms_module_exit); | |
1216 | ||
1217 | /* | |
1218 | * precondition: perimeter lock has been acquired | |
1219 | */ | |
1220 | void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif, | |
1221 | bool state, int prio) | |
1222 | { | |
b353dda4 | 1223 | brcms_err(wl->wlc->hw->d11core, "Shouldn't be here %s\n", __func__); |
5b435de0 AS |
1224 | } |
1225 | ||
1226 | /* | |
1227 | * precondition: perimeter lock has been acquired | |
1228 | */ | |
1229 | void brcms_init(struct brcms_info *wl) | |
1230 | { | |
b353dda4 SF |
1231 | brcms_dbg_info(wl->wlc->hw->d11core, "Initializing wl%d\n", |
1232 | wl->pub->unit); | |
5b435de0 | 1233 | brcms_reset(wl); |
dc460127 | 1234 | brcms_c_init(wl->wlc, wl->mute_tx); |
5b435de0 AS |
1235 | } |
1236 | ||
1237 | /* | |
1238 | * precondition: perimeter lock has been acquired | |
1239 | */ | |
1240 | uint brcms_reset(struct brcms_info *wl) | |
1241 | { | |
b353dda4 | 1242 | brcms_dbg_info(wl->wlc->hw->d11core, "Resetting wl%d\n", wl->pub->unit); |
5b435de0 AS |
1243 | brcms_c_reset(wl->wlc); |
1244 | ||
1245 | /* dpc will not be rescheduled */ | |
3db1cd5c | 1246 | wl->resched = false; |
5b435de0 | 1247 | |
ea2d2183 VZ |
1248 | /* inform publicly that interface is down */ |
1249 | wl->pub->up = false; | |
1250 | ||
5b435de0 AS |
1251 | return 0; |
1252 | } | |
1253 | ||
c261bdf8 RV |
1254 | void brcms_fatal_error(struct brcms_info *wl) |
1255 | { | |
b353dda4 | 1256 | brcms_err(wl->wlc->hw->d11core, "wl%d: fatal error, reinitializing\n", |
c261bdf8 RV |
1257 | wl->wlc->pub->unit); |
1258 | brcms_reset(wl); | |
1259 | ieee80211_restart_hw(wl->pub->ieee_hw); | |
1260 | } | |
1261 | ||
5b435de0 AS |
1262 | /* |
1263 | * These are interrupt on/off entry points. Disable interrupts | |
1264 | * during interrupt state transition. | |
1265 | */ | |
1266 | void brcms_intrson(struct brcms_info *wl) | |
1267 | { | |
1268 | unsigned long flags; | |
1269 | ||
1270 | spin_lock_irqsave(&wl->isr_lock, flags); | |
1271 | brcms_c_intrson(wl->wlc); | |
1272 | spin_unlock_irqrestore(&wl->isr_lock, flags); | |
1273 | } | |
1274 | ||
1275 | u32 brcms_intrsoff(struct brcms_info *wl) | |
1276 | { | |
1277 | unsigned long flags; | |
1278 | u32 status; | |
1279 | ||
1280 | spin_lock_irqsave(&wl->isr_lock, flags); | |
1281 | status = brcms_c_intrsoff(wl->wlc); | |
1282 | spin_unlock_irqrestore(&wl->isr_lock, flags); | |
1283 | return status; | |
1284 | } | |
1285 | ||
1286 | void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask) | |
1287 | { | |
1288 | unsigned long flags; | |
1289 | ||
1290 | spin_lock_irqsave(&wl->isr_lock, flags); | |
1291 | brcms_c_intrsrestore(wl->wlc, macintmask); | |
1292 | spin_unlock_irqrestore(&wl->isr_lock, flags); | |
1293 | } | |
1294 | ||
1295 | /* | |
1296 | * precondition: perimeter lock has been acquired | |
1297 | */ | |
1298 | int brcms_up(struct brcms_info *wl) | |
1299 | { | |
1300 | int error = 0; | |
1301 | ||
1302 | if (wl->pub->up) | |
1303 | return 0; | |
1304 | ||
1305 | error = brcms_c_up(wl->wlc); | |
1306 | ||
1307 | return error; | |
1308 | } | |
1309 | ||
1310 | /* | |
1311 | * precondition: perimeter lock has been acquired | |
1312 | */ | |
1313 | void brcms_down(struct brcms_info *wl) | |
1314 | { | |
1315 | uint callbacks, ret_val = 0; | |
1316 | ||
1317 | /* call common down function */ | |
1318 | ret_val = brcms_c_down(wl->wlc); | |
1319 | callbacks = atomic_read(&wl->callbacks) - ret_val; | |
1320 | ||
1321 | /* wait for down callbacks to complete */ | |
1322 | spin_unlock_bh(&wl->lock); | |
1323 | ||
1324 | /* For HIGH_only driver, it's important to actually schedule other work, | |
1325 | * not just spin wait since everything runs at schedule level | |
1326 | */ | |
1327 | SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000); | |
1328 | ||
1329 | spin_lock_bh(&wl->lock); | |
1330 | } | |
1331 | ||
1332 | /* | |
1333 | * precondition: perimeter lock is not acquired | |
1334 | */ | |
2a7fc5b1 | 1335 | static void _brcms_timer(struct work_struct *work) |
5b435de0 | 1336 | { |
2a7fc5b1 RV |
1337 | struct brcms_timer *t = container_of(work, struct brcms_timer, |
1338 | dly_wrk.work); | |
1339 | ||
5b435de0 AS |
1340 | spin_lock_bh(&t->wl->lock); |
1341 | ||
1342 | if (t->set) { | |
1343 | if (t->periodic) { | |
5b435de0 | 1344 | atomic_inc(&t->wl->callbacks); |
2a7fc5b1 RV |
1345 | ieee80211_queue_delayed_work(t->wl->pub->ieee_hw, |
1346 | &t->dly_wrk, | |
1347 | msecs_to_jiffies(t->ms)); | |
1348 | } else { | |
5b435de0 | 1349 | t->set = false; |
2a7fc5b1 | 1350 | } |
5b435de0 AS |
1351 | |
1352 | t->fn(t->arg); | |
1353 | } | |
1354 | ||
1355 | atomic_dec(&t->wl->callbacks); | |
1356 | ||
1357 | spin_unlock_bh(&t->wl->lock); | |
1358 | } | |
1359 | ||
5b435de0 AS |
1360 | /* |
1361 | * Adds a timer to the list. Caller supplies a timer function. | |
1362 | * Is called from wlc. | |
1363 | * | |
1364 | * precondition: perimeter lock has been acquired | |
1365 | */ | |
1366 | struct brcms_timer *brcms_init_timer(struct brcms_info *wl, | |
1367 | void (*fn) (void *arg), | |
1368 | void *arg, const char *name) | |
1369 | { | |
1370 | struct brcms_timer *t; | |
1371 | ||
1372 | t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC); | |
1373 | if (!t) | |
1374 | return NULL; | |
1375 | ||
2a7fc5b1 | 1376 | INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer); |
5b435de0 AS |
1377 | t->wl = wl; |
1378 | t->fn = fn; | |
1379 | t->arg = arg; | |
1380 | t->next = wl->timers; | |
1381 | wl->timers = t; | |
1382 | ||
8ae74654 | 1383 | #ifdef DEBUG |
5b435de0 AS |
1384 | t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC); |
1385 | if (t->name) | |
1386 | strcpy(t->name, name); | |
1387 | #endif | |
1388 | ||
1389 | return t; | |
1390 | } | |
1391 | ||
1392 | /* | |
1393 | * adds only the kernel timer since it's going to be more accurate | |
1394 | * as well as it's easier to make it periodic | |
1395 | * | |
1396 | * precondition: perimeter lock has been acquired | |
1397 | */ | |
2a7fc5b1 | 1398 | void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic) |
5b435de0 | 1399 | { |
2a7fc5b1 RV |
1400 | struct ieee80211_hw *hw = t->wl->pub->ieee_hw; |
1401 | ||
8ae74654 | 1402 | #ifdef DEBUG |
5b435de0 | 1403 | if (t->set) |
b353dda4 SF |
1404 | brcms_dbg_info(t->wl->wlc->hw->d11core, |
1405 | "%s: Already set. Name: %s, per %d\n", | |
1406 | __func__, t->name, periodic); | |
5b435de0 AS |
1407 | #endif |
1408 | t->ms = ms; | |
1409 | t->periodic = (bool) periodic; | |
a1fe5280 PH |
1410 | if (!t->set) { |
1411 | t->set = true; | |
1412 | atomic_inc(&t->wl->callbacks); | |
1413 | } | |
2a7fc5b1 RV |
1414 | |
1415 | ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms)); | |
5b435de0 AS |
1416 | } |
1417 | ||
1418 | /* | |
1419 | * return true if timer successfully deleted, false if still pending | |
1420 | * | |
1421 | * precondition: perimeter lock has been acquired | |
1422 | */ | |
be69c4ef | 1423 | bool brcms_del_timer(struct brcms_timer *t) |
5b435de0 AS |
1424 | { |
1425 | if (t->set) { | |
1426 | t->set = false; | |
2a7fc5b1 | 1427 | if (!cancel_delayed_work(&t->dly_wrk)) |
5b435de0 AS |
1428 | return false; |
1429 | ||
be69c4ef | 1430 | atomic_dec(&t->wl->callbacks); |
5b435de0 AS |
1431 | } |
1432 | ||
1433 | return true; | |
1434 | } | |
1435 | ||
1436 | /* | |
1437 | * precondition: perimeter lock has been acquired | |
1438 | */ | |
be69c4ef | 1439 | void brcms_free_timer(struct brcms_timer *t) |
5b435de0 | 1440 | { |
be69c4ef | 1441 | struct brcms_info *wl = t->wl; |
5b435de0 AS |
1442 | struct brcms_timer *tmp; |
1443 | ||
1444 | /* delete the timer in case it is active */ | |
be69c4ef | 1445 | brcms_del_timer(t); |
5b435de0 AS |
1446 | |
1447 | if (wl->timers == t) { | |
1448 | wl->timers = wl->timers->next; | |
8ae74654 | 1449 | #ifdef DEBUG |
5b435de0 AS |
1450 | kfree(t->name); |
1451 | #endif | |
1452 | kfree(t); | |
1453 | return; | |
1454 | ||
1455 | } | |
1456 | ||
1457 | tmp = wl->timers; | |
1458 | while (tmp) { | |
1459 | if (tmp->next == t) { | |
1460 | tmp->next = t->next; | |
8ae74654 | 1461 | #ifdef DEBUG |
5b435de0 AS |
1462 | kfree(t->name); |
1463 | #endif | |
1464 | kfree(t); | |
1465 | return; | |
1466 | } | |
1467 | tmp = tmp->next; | |
1468 | } | |
1469 | ||
1470 | } | |
1471 | ||
1472 | /* | |
1473 | * precondition: perimeter lock has been acquired | |
1474 | */ | |
1475 | int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx) | |
1476 | { | |
1477 | int i, entry; | |
1478 | const u8 *pdata; | |
1479 | struct firmware_hdr *hdr; | |
1480 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
1481 | hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data; | |
1482 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
1483 | entry++, hdr++) { | |
1484 | u32 len = le32_to_cpu(hdr->len); | |
1485 | if (le32_to_cpu(hdr->idx) == idx) { | |
1486 | pdata = wl->fw.fw_bin[i]->data + | |
1487 | le32_to_cpu(hdr->offset); | |
1f1d5289 | 1488 | *pbuf = kmemdup(pdata, len, GFP_ATOMIC); |
5b435de0 AS |
1489 | if (*pbuf == NULL) |
1490 | goto fail; | |
1491 | ||
5b435de0 AS |
1492 | return 0; |
1493 | } | |
1494 | } | |
1495 | } | |
b353dda4 SF |
1496 | brcms_err(wl->wlc->hw->d11core, |
1497 | "ERROR: ucode buf tag:%d can not be found!\n", idx); | |
5b435de0 AS |
1498 | *pbuf = NULL; |
1499 | fail: | |
1500 | return -ENODATA; | |
1501 | } | |
1502 | ||
1503 | /* | |
2e756560 | 1504 | * Precondition: Since this function is called in brcms_bcma_probe() context, |
5b435de0 AS |
1505 | * no locking is required. |
1506 | */ | |
1507 | int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx) | |
1508 | { | |
1509 | int i, entry; | |
1510 | const u8 *pdata; | |
1511 | struct firmware_hdr *hdr; | |
1512 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
1513 | hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data; | |
1514 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
1515 | entry++, hdr++) { | |
1516 | if (le32_to_cpu(hdr->idx) == idx) { | |
1517 | pdata = wl->fw.fw_bin[i]->data + | |
1518 | le32_to_cpu(hdr->offset); | |
1519 | if (le32_to_cpu(hdr->len) != 4) { | |
b353dda4 | 1520 | brcms_err(wl->wlc->hw->d11core, |
5b435de0 AS |
1521 | "ERROR: fw hdr len\n"); |
1522 | return -ENOMSG; | |
1523 | } | |
1524 | *n_bytes = le32_to_cpu(*((__le32 *) pdata)); | |
1525 | return 0; | |
1526 | } | |
1527 | } | |
1528 | } | |
b353dda4 SF |
1529 | brcms_err(wl->wlc->hw->d11core, |
1530 | "ERROR: ucode tag:%d can not be found!\n", idx); | |
5b435de0 AS |
1531 | return -ENOMSG; |
1532 | } | |
1533 | ||
1534 | /* | |
1535 | * precondition: can both be called locked and unlocked | |
1536 | */ | |
1537 | void brcms_ucode_free_buf(void *p) | |
1538 | { | |
1539 | kfree(p); | |
1540 | } | |
1541 | ||
1542 | /* | |
1543 | * checks validity of all firmware images loaded from user space | |
1544 | * | |
2e756560 | 1545 | * Precondition: Since this function is called in brcms_bcma_probe() context, |
5b435de0 AS |
1546 | * no locking is required. |
1547 | */ | |
1548 | int brcms_check_firmwares(struct brcms_info *wl) | |
1549 | { | |
1550 | int i; | |
1551 | int entry; | |
1552 | int rc = 0; | |
1553 | const struct firmware *fw; | |
1554 | const struct firmware *fw_hdr; | |
1555 | struct firmware_hdr *ucode_hdr; | |
1556 | for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) { | |
1557 | fw = wl->fw.fw_bin[i]; | |
1558 | fw_hdr = wl->fw.fw_hdr[i]; | |
1559 | if (fw == NULL && fw_hdr == NULL) { | |
1560 | break; | |
1561 | } else if (fw == NULL || fw_hdr == NULL) { | |
1562 | wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n", | |
1563 | __func__); | |
1564 | rc = -EBADF; | |
1565 | } else if (fw_hdr->size % sizeof(struct firmware_hdr)) { | |
1566 | wiphy_err(wl->wiphy, "%s: non integral fw hdr file " | |
1567 | "size %zu/%zu\n", __func__, fw_hdr->size, | |
1568 | sizeof(struct firmware_hdr)); | |
1569 | rc = -EBADF; | |
1570 | } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) { | |
b353dda4 SF |
1571 | wiphy_err(wl->wiphy, "%s: out of bounds fw file size %zu\n", |
1572 | __func__, fw->size); | |
5b435de0 AS |
1573 | rc = -EBADF; |
1574 | } else { | |
1575 | /* check if ucode section overruns firmware image */ | |
1576 | ucode_hdr = (struct firmware_hdr *)fw_hdr->data; | |
1577 | for (entry = 0; entry < wl->fw.hdr_num_entries[i] && | |
1578 | !rc; entry++, ucode_hdr++) { | |
1579 | if (le32_to_cpu(ucode_hdr->offset) + | |
1580 | le32_to_cpu(ucode_hdr->len) > | |
1581 | fw->size) { | |
1582 | wiphy_err(wl->wiphy, | |
1583 | "%s: conflicting bin/hdr\n", | |
1584 | __func__); | |
1585 | rc = -EBADF; | |
1586 | } | |
1587 | } | |
1588 | } | |
1589 | } | |
1590 | if (rc == 0 && wl->fw.fw_cnt != i) { | |
1591 | wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__, | |
1592 | wl->fw.fw_cnt); | |
1593 | rc = -EBADF; | |
1594 | } | |
1595 | return rc; | |
1596 | } | |
1597 | ||
1598 | /* | |
1599 | * precondition: perimeter lock has been acquired | |
1600 | */ | |
1601 | bool brcms_rfkill_set_hw_state(struct brcms_info *wl) | |
1602 | { | |
1603 | bool blocked = brcms_c_check_radio_disabled(wl->wlc); | |
1604 | ||
1605 | spin_unlock_bh(&wl->lock); | |
1606 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); | |
1607 | if (blocked) | |
1608 | wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy); | |
1609 | spin_lock_bh(&wl->lock); | |
1610 | return blocked; | |
1611 | } | |
1612 | ||
1613 | /* | |
1614 | * precondition: perimeter lock has been acquired | |
1615 | */ | |
1616 | void brcms_msleep(struct brcms_info *wl, uint ms) | |
1617 | { | |
1618 | spin_unlock_bh(&wl->lock); | |
1619 | msleep(ms); | |
1620 | spin_lock_bh(&wl->lock); | |
1621 | } |