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 | /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ | |
18 | ||
19 | #include <linux/kernel.h> | |
20 | #include <linux/if_arp.h> | |
21 | #include <linux/sched.h> | |
22 | #include <linux/kthread.h> | |
23 | #include <linux/netdevice.h> | |
24 | #include <linux/bitops.h> | |
25 | #include <linux/etherdevice.h> | |
26 | #include <linux/ieee80211.h> | |
27 | #include <linux/uaccess.h> | |
28 | #include <net/cfg80211.h> | |
29 | ||
30 | #include <brcmu_utils.h> | |
31 | #include <defs.h> | |
32 | #include <brcmu_wifi.h> | |
33 | #include "dhd.h" | |
34 | #include "wl_cfg80211.h" | |
35 | ||
36 | #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ | |
37 | (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) | |
38 | ||
39 | static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255}; | |
40 | ||
41 | static u32 brcmf_dbg_level = WL_DBG_ERR; | |
42 | ||
43 | static void brcmf_set_drvdata(struct brcmf_cfg80211_dev *dev, void *data) | |
44 | { | |
45 | dev->driver_data = data; | |
46 | } | |
47 | ||
48 | static void *brcmf_get_drvdata(struct brcmf_cfg80211_dev *dev) | |
49 | { | |
50 | void *data = NULL; | |
51 | ||
52 | if (dev) | |
53 | data = dev->driver_data; | |
54 | return data; | |
55 | } | |
56 | ||
57 | static | |
58 | struct brcmf_cfg80211_priv *brcmf_priv_get(struct brcmf_cfg80211_dev *cfg_dev) | |
59 | { | |
60 | struct brcmf_cfg80211_iface *ci = brcmf_get_drvdata(cfg_dev); | |
61 | return ci->cfg_priv; | |
62 | } | |
63 | ||
64 | static bool check_sys_up(struct wiphy *wiphy) | |
65 | { | |
66 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
67 | if (!test_bit(WL_STATUS_READY, &cfg_priv->status)) { | |
68 | WL_INFO("device is not ready : status (%d)\n", | |
69 | (int)cfg_priv->status); | |
70 | return false; | |
71 | } | |
72 | return true; | |
73 | } | |
74 | ||
75 | #define CHAN2G(_channel, _freq, _flags) { \ | |
76 | .band = IEEE80211_BAND_2GHZ, \ | |
77 | .center_freq = (_freq), \ | |
78 | .hw_value = (_channel), \ | |
79 | .flags = (_flags), \ | |
80 | .max_antenna_gain = 0, \ | |
81 | .max_power = 30, \ | |
82 | } | |
83 | ||
84 | #define CHAN5G(_channel, _flags) { \ | |
85 | .band = IEEE80211_BAND_5GHZ, \ | |
86 | .center_freq = 5000 + (5 * (_channel)), \ | |
87 | .hw_value = (_channel), \ | |
88 | .flags = (_flags), \ | |
89 | .max_antenna_gain = 0, \ | |
90 | .max_power = 30, \ | |
91 | } | |
92 | ||
93 | #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) | |
94 | #define RATETAB_ENT(_rateid, _flags) \ | |
95 | { \ | |
96 | .bitrate = RATE_TO_BASE100KBPS(_rateid), \ | |
97 | .hw_value = (_rateid), \ | |
98 | .flags = (_flags), \ | |
99 | } | |
100 | ||
101 | static struct ieee80211_rate __wl_rates[] = { | |
102 | RATETAB_ENT(BRCM_RATE_1M, 0), | |
103 | RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), | |
104 | RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), | |
105 | RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), | |
106 | RATETAB_ENT(BRCM_RATE_6M, 0), | |
107 | RATETAB_ENT(BRCM_RATE_9M, 0), | |
108 | RATETAB_ENT(BRCM_RATE_12M, 0), | |
109 | RATETAB_ENT(BRCM_RATE_18M, 0), | |
110 | RATETAB_ENT(BRCM_RATE_24M, 0), | |
111 | RATETAB_ENT(BRCM_RATE_36M, 0), | |
112 | RATETAB_ENT(BRCM_RATE_48M, 0), | |
113 | RATETAB_ENT(BRCM_RATE_54M, 0), | |
114 | }; | |
115 | ||
116 | #define wl_a_rates (__wl_rates + 4) | |
117 | #define wl_a_rates_size 8 | |
118 | #define wl_g_rates (__wl_rates + 0) | |
119 | #define wl_g_rates_size 12 | |
120 | ||
121 | static struct ieee80211_channel __wl_2ghz_channels[] = { | |
122 | CHAN2G(1, 2412, 0), | |
123 | CHAN2G(2, 2417, 0), | |
124 | CHAN2G(3, 2422, 0), | |
125 | CHAN2G(4, 2427, 0), | |
126 | CHAN2G(5, 2432, 0), | |
127 | CHAN2G(6, 2437, 0), | |
128 | CHAN2G(7, 2442, 0), | |
129 | CHAN2G(8, 2447, 0), | |
130 | CHAN2G(9, 2452, 0), | |
131 | CHAN2G(10, 2457, 0), | |
132 | CHAN2G(11, 2462, 0), | |
133 | CHAN2G(12, 2467, 0), | |
134 | CHAN2G(13, 2472, 0), | |
135 | CHAN2G(14, 2484, 0), | |
136 | }; | |
137 | ||
138 | static struct ieee80211_channel __wl_5ghz_a_channels[] = { | |
139 | CHAN5G(34, 0), CHAN5G(36, 0), | |
140 | CHAN5G(38, 0), CHAN5G(40, 0), | |
141 | CHAN5G(42, 0), CHAN5G(44, 0), | |
142 | CHAN5G(46, 0), CHAN5G(48, 0), | |
143 | CHAN5G(52, 0), CHAN5G(56, 0), | |
144 | CHAN5G(60, 0), CHAN5G(64, 0), | |
145 | CHAN5G(100, 0), CHAN5G(104, 0), | |
146 | CHAN5G(108, 0), CHAN5G(112, 0), | |
147 | CHAN5G(116, 0), CHAN5G(120, 0), | |
148 | CHAN5G(124, 0), CHAN5G(128, 0), | |
149 | CHAN5G(132, 0), CHAN5G(136, 0), | |
150 | CHAN5G(140, 0), CHAN5G(149, 0), | |
151 | CHAN5G(153, 0), CHAN5G(157, 0), | |
152 | CHAN5G(161, 0), CHAN5G(165, 0), | |
153 | CHAN5G(184, 0), CHAN5G(188, 0), | |
154 | CHAN5G(192, 0), CHAN5G(196, 0), | |
155 | CHAN5G(200, 0), CHAN5G(204, 0), | |
156 | CHAN5G(208, 0), CHAN5G(212, 0), | |
157 | CHAN5G(216, 0), | |
158 | }; | |
159 | ||
160 | static struct ieee80211_channel __wl_5ghz_n_channels[] = { | |
161 | CHAN5G(32, 0), CHAN5G(34, 0), | |
162 | CHAN5G(36, 0), CHAN5G(38, 0), | |
163 | CHAN5G(40, 0), CHAN5G(42, 0), | |
164 | CHAN5G(44, 0), CHAN5G(46, 0), | |
165 | CHAN5G(48, 0), CHAN5G(50, 0), | |
166 | CHAN5G(52, 0), CHAN5G(54, 0), | |
167 | CHAN5G(56, 0), CHAN5G(58, 0), | |
168 | CHAN5G(60, 0), CHAN5G(62, 0), | |
169 | CHAN5G(64, 0), CHAN5G(66, 0), | |
170 | CHAN5G(68, 0), CHAN5G(70, 0), | |
171 | CHAN5G(72, 0), CHAN5G(74, 0), | |
172 | CHAN5G(76, 0), CHAN5G(78, 0), | |
173 | CHAN5G(80, 0), CHAN5G(82, 0), | |
174 | CHAN5G(84, 0), CHAN5G(86, 0), | |
175 | CHAN5G(88, 0), CHAN5G(90, 0), | |
176 | CHAN5G(92, 0), CHAN5G(94, 0), | |
177 | CHAN5G(96, 0), CHAN5G(98, 0), | |
178 | CHAN5G(100, 0), CHAN5G(102, 0), | |
179 | CHAN5G(104, 0), CHAN5G(106, 0), | |
180 | CHAN5G(108, 0), CHAN5G(110, 0), | |
181 | CHAN5G(112, 0), CHAN5G(114, 0), | |
182 | CHAN5G(116, 0), CHAN5G(118, 0), | |
183 | CHAN5G(120, 0), CHAN5G(122, 0), | |
184 | CHAN5G(124, 0), CHAN5G(126, 0), | |
185 | CHAN5G(128, 0), CHAN5G(130, 0), | |
186 | CHAN5G(132, 0), CHAN5G(134, 0), | |
187 | CHAN5G(136, 0), CHAN5G(138, 0), | |
188 | CHAN5G(140, 0), CHAN5G(142, 0), | |
189 | CHAN5G(144, 0), CHAN5G(145, 0), | |
190 | CHAN5G(146, 0), CHAN5G(147, 0), | |
191 | CHAN5G(148, 0), CHAN5G(149, 0), | |
192 | CHAN5G(150, 0), CHAN5G(151, 0), | |
193 | CHAN5G(152, 0), CHAN5G(153, 0), | |
194 | CHAN5G(154, 0), CHAN5G(155, 0), | |
195 | CHAN5G(156, 0), CHAN5G(157, 0), | |
196 | CHAN5G(158, 0), CHAN5G(159, 0), | |
197 | CHAN5G(160, 0), CHAN5G(161, 0), | |
198 | CHAN5G(162, 0), CHAN5G(163, 0), | |
199 | CHAN5G(164, 0), CHAN5G(165, 0), | |
200 | CHAN5G(166, 0), CHAN5G(168, 0), | |
201 | CHAN5G(170, 0), CHAN5G(172, 0), | |
202 | CHAN5G(174, 0), CHAN5G(176, 0), | |
203 | CHAN5G(178, 0), CHAN5G(180, 0), | |
204 | CHAN5G(182, 0), CHAN5G(184, 0), | |
205 | CHAN5G(186, 0), CHAN5G(188, 0), | |
206 | CHAN5G(190, 0), CHAN5G(192, 0), | |
207 | CHAN5G(194, 0), CHAN5G(196, 0), | |
208 | CHAN5G(198, 0), CHAN5G(200, 0), | |
209 | CHAN5G(202, 0), CHAN5G(204, 0), | |
210 | CHAN5G(206, 0), CHAN5G(208, 0), | |
211 | CHAN5G(210, 0), CHAN5G(212, 0), | |
212 | CHAN5G(214, 0), CHAN5G(216, 0), | |
213 | CHAN5G(218, 0), CHAN5G(220, 0), | |
214 | CHAN5G(222, 0), CHAN5G(224, 0), | |
215 | CHAN5G(226, 0), CHAN5G(228, 0), | |
216 | }; | |
217 | ||
218 | static struct ieee80211_supported_band __wl_band_2ghz = { | |
219 | .band = IEEE80211_BAND_2GHZ, | |
220 | .channels = __wl_2ghz_channels, | |
221 | .n_channels = ARRAY_SIZE(__wl_2ghz_channels), | |
222 | .bitrates = wl_g_rates, | |
223 | .n_bitrates = wl_g_rates_size, | |
224 | }; | |
225 | ||
226 | static struct ieee80211_supported_band __wl_band_5ghz_a = { | |
227 | .band = IEEE80211_BAND_5GHZ, | |
228 | .channels = __wl_5ghz_a_channels, | |
229 | .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels), | |
230 | .bitrates = wl_a_rates, | |
231 | .n_bitrates = wl_a_rates_size, | |
232 | }; | |
233 | ||
234 | static struct ieee80211_supported_band __wl_band_5ghz_n = { | |
235 | .band = IEEE80211_BAND_5GHZ, | |
236 | .channels = __wl_5ghz_n_channels, | |
237 | .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels), | |
238 | .bitrates = wl_a_rates, | |
239 | .n_bitrates = wl_a_rates_size, | |
240 | }; | |
241 | ||
242 | static const u32 __wl_cipher_suites[] = { | |
243 | WLAN_CIPHER_SUITE_WEP40, | |
244 | WLAN_CIPHER_SUITE_WEP104, | |
245 | WLAN_CIPHER_SUITE_TKIP, | |
246 | WLAN_CIPHER_SUITE_CCMP, | |
247 | WLAN_CIPHER_SUITE_AES_CMAC, | |
248 | }; | |
249 | ||
f8e4b412 AB |
250 | /* tag_ID/length/value_buffer tuple */ |
251 | struct brcmf_tlv { | |
252 | u8 id; | |
253 | u8 len; | |
254 | u8 data[1]; | |
255 | }; | |
256 | ||
ef6ac17a AB |
257 | /* Quarter dBm units to mW |
258 | * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153 | |
259 | * Table is offset so the last entry is largest mW value that fits in | |
260 | * a u16. | |
261 | */ | |
262 | ||
263 | #define QDBM_OFFSET 153 /* Offset for first entry */ | |
264 | #define QDBM_TABLE_LEN 40 /* Table size */ | |
265 | ||
266 | /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET. | |
267 | * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2 | |
268 | */ | |
269 | #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */ | |
270 | ||
271 | /* Largest mW value that will round down to the last table entry, | |
272 | * QDBM_OFFSET + QDBM_TABLE_LEN-1. | |
273 | * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) + | |
274 | * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2. | |
275 | */ | |
276 | #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */ | |
277 | ||
278 | static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = { | |
279 | /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */ | |
280 | /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000, | |
281 | /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849, | |
282 | /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119, | |
283 | /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811, | |
284 | /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096 | |
285 | }; | |
286 | ||
287 | static u16 brcmf_qdbm_to_mw(u8 qdbm) | |
288 | { | |
289 | uint factor = 1; | |
290 | int idx = qdbm - QDBM_OFFSET; | |
291 | ||
292 | if (idx >= QDBM_TABLE_LEN) | |
293 | /* clamp to max u16 mW value */ | |
294 | return 0xFFFF; | |
295 | ||
296 | /* scale the qdBm index up to the range of the table 0-40 | |
297 | * where an offset of 40 qdBm equals a factor of 10 mW. | |
298 | */ | |
299 | while (idx < 0) { | |
300 | idx += 40; | |
301 | factor *= 10; | |
302 | } | |
303 | ||
304 | /* return the mW value scaled down to the correct factor of 10, | |
305 | * adding in factor/2 to get proper rounding. | |
306 | */ | |
307 | return (nqdBm_to_mW_map[idx] + factor / 2) / factor; | |
308 | } | |
309 | ||
310 | static u8 brcmf_mw_to_qdbm(u16 mw) | |
311 | { | |
312 | u8 qdbm; | |
313 | int offset; | |
314 | uint mw_uint = mw; | |
315 | uint boundary; | |
316 | ||
317 | /* handle boundary case */ | |
318 | if (mw_uint <= 1) | |
319 | return 0; | |
320 | ||
321 | offset = QDBM_OFFSET; | |
322 | ||
323 | /* move mw into the range of the table */ | |
324 | while (mw_uint < QDBM_TABLE_LOW_BOUND) { | |
325 | mw_uint *= 10; | |
326 | offset -= 40; | |
327 | } | |
328 | ||
329 | for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) { | |
330 | boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] - | |
331 | nqdBm_to_mW_map[qdbm]) / 2; | |
332 | if (mw_uint < boundary) | |
333 | break; | |
334 | } | |
335 | ||
336 | qdbm += (u8) offset; | |
337 | ||
338 | return qdbm; | |
339 | } | |
340 | ||
5b435de0 AS |
341 | /* function for reading/writing a single u32 from/to the dongle */ |
342 | static int | |
343 | brcmf_exec_dcmd_u32(struct net_device *ndev, u32 cmd, u32 *par) | |
344 | { | |
345 | int err; | |
346 | __le32 par_le = cpu_to_le32(*par); | |
347 | ||
348 | err = brcmf_exec_dcmd(ndev, cmd, &par_le, sizeof(__le32)); | |
349 | *par = le32_to_cpu(par_le); | |
350 | ||
351 | return err; | |
352 | } | |
353 | ||
354 | static void convert_key_from_CPU(struct brcmf_wsec_key *key, | |
355 | struct brcmf_wsec_key_le *key_le) | |
356 | { | |
357 | key_le->index = cpu_to_le32(key->index); | |
358 | key_le->len = cpu_to_le32(key->len); | |
359 | key_le->algo = cpu_to_le32(key->algo); | |
360 | key_le->flags = cpu_to_le32(key->flags); | |
361 | key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi); | |
362 | key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo); | |
363 | key_le->iv_initialized = cpu_to_le32(key->iv_initialized); | |
364 | memcpy(key_le->data, key->data, sizeof(key->data)); | |
365 | memcpy(key_le->ea, key->ea, sizeof(key->ea)); | |
366 | } | |
367 | ||
368 | static int send_key_to_dongle(struct net_device *ndev, | |
369 | struct brcmf_wsec_key *key) | |
370 | { | |
371 | int err; | |
372 | struct brcmf_wsec_key_le key_le; | |
373 | ||
374 | convert_key_from_CPU(key, &key_le); | |
375 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le, sizeof(key_le)); | |
376 | if (err) | |
377 | WL_ERR("WLC_SET_KEY error (%d)\n", err); | |
378 | return err; | |
379 | } | |
380 | ||
381 | static s32 | |
382 | brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, | |
383 | enum nl80211_iftype type, u32 *flags, | |
384 | struct vif_params *params) | |
385 | { | |
386 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
387 | struct wireless_dev *wdev; | |
388 | s32 infra = 0; | |
389 | s32 err = 0; | |
390 | ||
391 | WL_TRACE("Enter\n"); | |
392 | if (!check_sys_up(wiphy)) | |
393 | return -EIO; | |
394 | ||
395 | switch (type) { | |
396 | case NL80211_IFTYPE_MONITOR: | |
397 | case NL80211_IFTYPE_WDS: | |
398 | WL_ERR("type (%d) : currently we do not support this type\n", | |
399 | type); | |
400 | return -EOPNOTSUPP; | |
401 | case NL80211_IFTYPE_ADHOC: | |
402 | cfg_priv->conf->mode = WL_MODE_IBSS; | |
403 | infra = 0; | |
404 | break; | |
405 | case NL80211_IFTYPE_STATION: | |
406 | cfg_priv->conf->mode = WL_MODE_BSS; | |
407 | infra = 1; | |
408 | break; | |
409 | default: | |
410 | err = -EINVAL; | |
411 | goto done; | |
412 | } | |
413 | ||
414 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); | |
415 | if (err) { | |
416 | WL_ERR("WLC_SET_INFRA error (%d)\n", err); | |
417 | err = -EAGAIN; | |
418 | } else { | |
419 | wdev = ndev->ieee80211_ptr; | |
420 | wdev->iftype = type; | |
421 | } | |
422 | ||
423 | WL_INFO("IF Type = %s\n", | |
424 | (cfg_priv->conf->mode == WL_MODE_IBSS) ? "Adhoc" : "Infra"); | |
425 | ||
426 | done: | |
427 | WL_TRACE("Exit\n"); | |
428 | ||
429 | return err; | |
430 | } | |
431 | ||
432 | static s32 brcmf_dev_intvar_set(struct net_device *ndev, s8 *name, s32 val) | |
433 | { | |
434 | s8 buf[BRCMF_DCMD_SMLEN]; | |
435 | u32 len; | |
436 | s32 err = 0; | |
437 | __le32 val_le; | |
438 | ||
439 | val_le = cpu_to_le32(val); | |
53a2277d | 440 | len = brcmf_c_mkiovar(name, (char *)(&val_le), sizeof(val_le), buf, |
5b435de0 AS |
441 | sizeof(buf)); |
442 | BUG_ON(!len); | |
443 | ||
444 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len); | |
445 | if (err) | |
446 | WL_ERR("error (%d)\n", err); | |
447 | ||
448 | return err; | |
449 | } | |
450 | ||
451 | static s32 | |
452 | brcmf_dev_intvar_get(struct net_device *ndev, s8 *name, s32 *retval) | |
453 | { | |
454 | union { | |
455 | s8 buf[BRCMF_DCMD_SMLEN]; | |
456 | __le32 val; | |
457 | } var; | |
458 | u32 len; | |
459 | u32 data_null; | |
460 | s32 err = 0; | |
461 | ||
462 | len = | |
53a2277d | 463 | brcmf_c_mkiovar(name, (char *)(&data_null), 0, (char *)(&var), |
5b435de0 AS |
464 | sizeof(var.buf)); |
465 | BUG_ON(!len); | |
466 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, &var, len); | |
467 | if (err) | |
468 | WL_ERR("error (%d)\n", err); | |
469 | ||
470 | *retval = le32_to_cpu(var.val); | |
471 | ||
472 | return err; | |
473 | } | |
474 | ||
475 | static void brcmf_set_mpc(struct net_device *ndev, int mpc) | |
476 | { | |
477 | s32 err = 0; | |
478 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
479 | ||
480 | if (test_bit(WL_STATUS_READY, &cfg_priv->status)) { | |
481 | err = brcmf_dev_intvar_set(ndev, "mpc", mpc); | |
482 | if (err) { | |
483 | WL_ERR("fail to set mpc\n"); | |
484 | return; | |
485 | } | |
486 | WL_INFO("MPC : %d\n", mpc); | |
487 | } | |
488 | } | |
489 | ||
490 | static void wl_iscan_prep(struct brcmf_scan_params_le *params_le, | |
491 | struct brcmf_ssid *ssid) | |
492 | { | |
493 | memcpy(params_le->bssid, ether_bcast, ETH_ALEN); | |
494 | params_le->bss_type = DOT11_BSSTYPE_ANY; | |
495 | params_le->scan_type = 0; | |
496 | params_le->channel_num = 0; | |
497 | params_le->nprobes = cpu_to_le32(-1); | |
498 | params_le->active_time = cpu_to_le32(-1); | |
499 | params_le->passive_time = cpu_to_le32(-1); | |
500 | params_le->home_time = cpu_to_le32(-1); | |
501 | if (ssid && ssid->SSID_len) | |
502 | memcpy(¶ms_le->ssid_le, ssid, sizeof(struct brcmf_ssid)); | |
503 | } | |
504 | ||
505 | static s32 | |
506 | brcmf_dev_iovar_setbuf(struct net_device *ndev, s8 * iovar, void *param, | |
507 | s32 paramlen, void *bufptr, s32 buflen) | |
508 | { | |
509 | s32 iolen; | |
510 | ||
53a2277d | 511 | iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); |
5b435de0 AS |
512 | BUG_ON(!iolen); |
513 | ||
514 | return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, bufptr, iolen); | |
515 | } | |
516 | ||
517 | static s32 | |
518 | brcmf_dev_iovar_getbuf(struct net_device *ndev, s8 * iovar, void *param, | |
519 | s32 paramlen, void *bufptr, s32 buflen) | |
520 | { | |
521 | s32 iolen; | |
522 | ||
53a2277d | 523 | iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); |
5b435de0 AS |
524 | BUG_ON(!iolen); |
525 | ||
526 | return brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, bufptr, buflen); | |
527 | } | |
528 | ||
529 | static s32 | |
530 | brcmf_run_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan, | |
531 | struct brcmf_ssid *ssid, u16 action) | |
532 | { | |
533 | s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + | |
534 | offsetof(struct brcmf_iscan_params_le, params_le); | |
535 | struct brcmf_iscan_params_le *params; | |
536 | s32 err = 0; | |
537 | ||
538 | if (ssid && ssid->SSID_len) | |
539 | params_size += sizeof(struct brcmf_ssid); | |
540 | params = kzalloc(params_size, GFP_KERNEL); | |
541 | if (!params) | |
542 | return -ENOMEM; | |
543 | BUG_ON(params_size >= BRCMF_DCMD_SMLEN); | |
544 | ||
545 | wl_iscan_prep(¶ms->params_le, ssid); | |
546 | ||
547 | params->version = cpu_to_le32(BRCMF_ISCAN_REQ_VERSION); | |
548 | params->action = cpu_to_le16(action); | |
549 | params->scan_duration = cpu_to_le16(0); | |
550 | ||
551 | err = brcmf_dev_iovar_setbuf(iscan->ndev, "iscan", params, params_size, | |
552 | iscan->dcmd_buf, BRCMF_DCMD_SMLEN); | |
553 | if (err) { | |
554 | if (err == -EBUSY) | |
555 | WL_INFO("system busy : iscan canceled\n"); | |
556 | else | |
557 | WL_ERR("error (%d)\n", err); | |
558 | } | |
559 | ||
560 | kfree(params); | |
561 | return err; | |
562 | } | |
563 | ||
564 | static s32 brcmf_do_iscan(struct brcmf_cfg80211_priv *cfg_priv) | |
565 | { | |
566 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv); | |
567 | struct net_device *ndev = cfg_to_ndev(cfg_priv); | |
568 | struct brcmf_ssid ssid; | |
66831075 | 569 | __le32 passive_scan; |
5b435de0 AS |
570 | s32 err = 0; |
571 | ||
572 | /* Broadcast scan by default */ | |
573 | memset(&ssid, 0, sizeof(ssid)); | |
574 | ||
575 | iscan->state = WL_ISCAN_STATE_SCANING; | |
576 | ||
66831075 | 577 | passive_scan = cfg_priv->active_scan ? 0 : cpu_to_le32(1); |
5b435de0 AS |
578 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCMF_C_SET_PASSIVE_SCAN, |
579 | &passive_scan, sizeof(passive_scan)); | |
580 | if (err) { | |
581 | WL_ERR("error (%d)\n", err); | |
582 | return err; | |
583 | } | |
584 | brcmf_set_mpc(ndev, 0); | |
585 | cfg_priv->iscan_kickstart = true; | |
586 | err = brcmf_run_iscan(iscan, &ssid, BRCMF_SCAN_ACTION_START); | |
587 | if (err) { | |
588 | brcmf_set_mpc(ndev, 1); | |
589 | cfg_priv->iscan_kickstart = false; | |
590 | return err; | |
591 | } | |
592 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); | |
593 | iscan->timer_on = 1; | |
594 | return err; | |
595 | } | |
596 | ||
597 | static s32 | |
598 | __brcmf_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, | |
599 | struct cfg80211_scan_request *request, | |
600 | struct cfg80211_ssid *this_ssid) | |
601 | { | |
602 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
603 | struct cfg80211_ssid *ssids; | |
604 | struct brcmf_cfg80211_scan_req *sr = cfg_priv->scan_req_int; | |
66831075 | 605 | __le32 passive_scan; |
5b435de0 AS |
606 | bool iscan_req; |
607 | bool spec_scan; | |
608 | s32 err = 0; | |
609 | u32 SSID_len; | |
610 | ||
611 | if (test_bit(WL_STATUS_SCANNING, &cfg_priv->status)) { | |
612 | WL_ERR("Scanning already : status (%lu)\n", cfg_priv->status); | |
613 | return -EAGAIN; | |
614 | } | |
615 | if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status)) { | |
616 | WL_ERR("Scanning being aborted : status (%lu)\n", | |
617 | cfg_priv->status); | |
618 | return -EAGAIN; | |
619 | } | |
620 | if (test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) { | |
621 | WL_ERR("Connecting : status (%lu)\n", | |
622 | cfg_priv->status); | |
623 | return -EAGAIN; | |
624 | } | |
625 | ||
626 | iscan_req = false; | |
627 | spec_scan = false; | |
628 | if (request) { | |
629 | /* scan bss */ | |
630 | ssids = request->ssids; | |
631 | if (cfg_priv->iscan_on && (!ssids || !ssids->ssid_len)) | |
632 | iscan_req = true; | |
633 | } else { | |
634 | /* scan in ibss */ | |
635 | /* we don't do iscan in ibss */ | |
636 | ssids = this_ssid; | |
637 | } | |
638 | ||
639 | cfg_priv->scan_request = request; | |
640 | set_bit(WL_STATUS_SCANNING, &cfg_priv->status); | |
641 | if (iscan_req) { | |
642 | err = brcmf_do_iscan(cfg_priv); | |
643 | if (!err) | |
644 | return err; | |
645 | else | |
646 | goto scan_out; | |
647 | } else { | |
648 | WL_SCAN("ssid \"%s\", ssid_len (%d)\n", | |
649 | ssids->ssid, ssids->ssid_len); | |
650 | memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); | |
651 | SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); | |
652 | sr->ssid_le.SSID_len = cpu_to_le32(0); | |
653 | if (SSID_len) { | |
654 | memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); | |
655 | sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); | |
656 | spec_scan = true; | |
657 | } else { | |
658 | WL_SCAN("Broadcast scan\n"); | |
659 | } | |
660 | ||
66831075 | 661 | passive_scan = cfg_priv->active_scan ? 0 : cpu_to_le32(1); |
5b435de0 AS |
662 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
663 | &passive_scan, sizeof(passive_scan)); | |
664 | if (err) { | |
665 | WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); | |
666 | goto scan_out; | |
667 | } | |
668 | brcmf_set_mpc(ndev, 0); | |
669 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le, | |
670 | sizeof(sr->ssid_le)); | |
671 | if (err) { | |
672 | if (err == -EBUSY) | |
673 | WL_INFO("system busy : scan for \"%s\" " | |
674 | "canceled\n", sr->ssid_le.SSID); | |
675 | else | |
676 | WL_ERR("WLC_SCAN error (%d)\n", err); | |
677 | ||
678 | brcmf_set_mpc(ndev, 1); | |
679 | goto scan_out; | |
680 | } | |
681 | } | |
682 | ||
683 | return 0; | |
684 | ||
685 | scan_out: | |
686 | clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); | |
687 | cfg_priv->scan_request = NULL; | |
688 | return err; | |
689 | } | |
690 | ||
691 | static s32 | |
692 | brcmf_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, | |
693 | struct cfg80211_scan_request *request) | |
694 | { | |
695 | s32 err = 0; | |
696 | ||
697 | WL_TRACE("Enter\n"); | |
698 | ||
699 | if (!check_sys_up(wiphy)) | |
700 | return -EIO; | |
701 | ||
702 | err = __brcmf_cfg80211_scan(wiphy, ndev, request, NULL); | |
703 | if (err) | |
704 | WL_ERR("scan error (%d)\n", err); | |
705 | ||
706 | WL_TRACE("Exit\n"); | |
707 | return err; | |
708 | } | |
709 | ||
710 | static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) | |
711 | { | |
712 | s32 err = 0; | |
713 | ||
714 | err = brcmf_dev_intvar_set(ndev, "rtsthresh", rts_threshold); | |
715 | if (err) | |
716 | WL_ERR("Error (%d)\n", err); | |
717 | ||
718 | return err; | |
719 | } | |
720 | ||
721 | static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) | |
722 | { | |
723 | s32 err = 0; | |
724 | ||
725 | err = brcmf_dev_intvar_set(ndev, "fragthresh", frag_threshold); | |
726 | if (err) | |
727 | WL_ERR("Error (%d)\n", err); | |
728 | ||
729 | return err; | |
730 | } | |
731 | ||
732 | static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) | |
733 | { | |
734 | s32 err = 0; | |
735 | u32 cmd = (l ? BRCM_SET_LRL : BRCM_SET_SRL); | |
736 | ||
737 | err = brcmf_exec_dcmd_u32(ndev, cmd, &retry); | |
738 | if (err) { | |
739 | WL_ERR("cmd (%d) , error (%d)\n", cmd, err); | |
740 | return err; | |
741 | } | |
742 | return err; | |
743 | } | |
744 | ||
745 | static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
746 | { | |
747 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
748 | struct net_device *ndev = cfg_to_ndev(cfg_priv); | |
749 | s32 err = 0; | |
750 | ||
751 | WL_TRACE("Enter\n"); | |
752 | if (!check_sys_up(wiphy)) | |
753 | return -EIO; | |
754 | ||
755 | if (changed & WIPHY_PARAM_RTS_THRESHOLD && | |
756 | (cfg_priv->conf->rts_threshold != wiphy->rts_threshold)) { | |
757 | cfg_priv->conf->rts_threshold = wiphy->rts_threshold; | |
758 | err = brcmf_set_rts(ndev, cfg_priv->conf->rts_threshold); | |
759 | if (!err) | |
760 | goto done; | |
761 | } | |
762 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD && | |
763 | (cfg_priv->conf->frag_threshold != wiphy->frag_threshold)) { | |
764 | cfg_priv->conf->frag_threshold = wiphy->frag_threshold; | |
765 | err = brcmf_set_frag(ndev, cfg_priv->conf->frag_threshold); | |
766 | if (!err) | |
767 | goto done; | |
768 | } | |
769 | if (changed & WIPHY_PARAM_RETRY_LONG | |
770 | && (cfg_priv->conf->retry_long != wiphy->retry_long)) { | |
771 | cfg_priv->conf->retry_long = wiphy->retry_long; | |
772 | err = brcmf_set_retry(ndev, cfg_priv->conf->retry_long, true); | |
773 | if (!err) | |
774 | goto done; | |
775 | } | |
776 | if (changed & WIPHY_PARAM_RETRY_SHORT | |
777 | && (cfg_priv->conf->retry_short != wiphy->retry_short)) { | |
778 | cfg_priv->conf->retry_short = wiphy->retry_short; | |
779 | err = brcmf_set_retry(ndev, cfg_priv->conf->retry_short, false); | |
780 | if (!err) | |
781 | goto done; | |
782 | } | |
783 | ||
784 | done: | |
785 | WL_TRACE("Exit\n"); | |
786 | return err; | |
787 | } | |
788 | ||
789 | static void *brcmf_read_prof(struct brcmf_cfg80211_priv *cfg_priv, s32 item) | |
790 | { | |
791 | switch (item) { | |
792 | case WL_PROF_SEC: | |
793 | return &cfg_priv->profile->sec; | |
794 | case WL_PROF_BSSID: | |
795 | return &cfg_priv->profile->bssid; | |
796 | case WL_PROF_SSID: | |
797 | return &cfg_priv->profile->ssid; | |
798 | } | |
799 | WL_ERR("invalid item (%d)\n", item); | |
800 | return NULL; | |
801 | } | |
802 | ||
803 | static s32 | |
804 | brcmf_update_prof(struct brcmf_cfg80211_priv *cfg_priv, | |
805 | const struct brcmf_event_msg *e, void *data, s32 item) | |
806 | { | |
807 | s32 err = 0; | |
808 | struct brcmf_ssid *ssid; | |
809 | ||
810 | switch (item) { | |
811 | case WL_PROF_SSID: | |
812 | ssid = (struct brcmf_ssid *) data; | |
813 | memset(cfg_priv->profile->ssid.SSID, 0, | |
814 | sizeof(cfg_priv->profile->ssid.SSID)); | |
815 | memcpy(cfg_priv->profile->ssid.SSID, | |
816 | ssid->SSID, ssid->SSID_len); | |
817 | cfg_priv->profile->ssid.SSID_len = ssid->SSID_len; | |
818 | break; | |
819 | case WL_PROF_BSSID: | |
820 | if (data) | |
821 | memcpy(cfg_priv->profile->bssid, data, ETH_ALEN); | |
822 | else | |
823 | memset(cfg_priv->profile->bssid, 0, ETH_ALEN); | |
824 | break; | |
825 | case WL_PROF_SEC: | |
826 | memcpy(&cfg_priv->profile->sec, data, | |
827 | sizeof(cfg_priv->profile->sec)); | |
828 | break; | |
829 | case WL_PROF_BEACONINT: | |
830 | cfg_priv->profile->beacon_interval = *(u16 *)data; | |
831 | break; | |
832 | case WL_PROF_DTIMPERIOD: | |
833 | cfg_priv->profile->dtim_period = *(u8 *)data; | |
834 | break; | |
835 | default: | |
836 | WL_ERR("unsupported item (%d)\n", item); | |
837 | err = -EOPNOTSUPP; | |
838 | break; | |
839 | } | |
840 | ||
841 | return err; | |
842 | } | |
843 | ||
844 | static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) | |
845 | { | |
846 | memset(prof, 0, sizeof(*prof)); | |
847 | } | |
848 | ||
849 | static void brcmf_ch_to_chanspec(int ch, struct brcmf_join_params *join_params, | |
850 | size_t *join_params_size) | |
851 | { | |
852 | u16 chanspec = 0; | |
853 | ||
854 | if (ch != 0) { | |
855 | if (ch <= CH_MAX_2G_CHANNEL) | |
856 | chanspec |= WL_CHANSPEC_BAND_2G; | |
857 | else | |
858 | chanspec |= WL_CHANSPEC_BAND_5G; | |
859 | ||
860 | chanspec |= WL_CHANSPEC_BW_20; | |
861 | chanspec |= WL_CHANSPEC_CTL_SB_NONE; | |
862 | ||
863 | *join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE + | |
864 | sizeof(u16); | |
865 | ||
866 | chanspec |= (ch & WL_CHANSPEC_CHAN_MASK); | |
867 | join_params->params_le.chanspec_list[0] = cpu_to_le16(chanspec); | |
868 | join_params->params_le.chanspec_num = cpu_to_le32(1); | |
869 | ||
870 | WL_CONN("join_params->params.chanspec_list[0]= %#X," | |
871 | "channel %d, chanspec %#X\n", | |
872 | chanspec, ch, chanspec); | |
873 | } | |
874 | } | |
875 | ||
876 | static void brcmf_link_down(struct brcmf_cfg80211_priv *cfg_priv) | |
877 | { | |
878 | struct net_device *ndev = NULL; | |
879 | s32 err = 0; | |
880 | ||
881 | WL_TRACE("Enter\n"); | |
882 | ||
883 | if (cfg_priv->link_up) { | |
884 | ndev = cfg_to_ndev(cfg_priv); | |
885 | WL_INFO("Call WLC_DISASSOC to stop excess roaming\n "); | |
886 | err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, NULL, 0); | |
887 | if (err) | |
888 | WL_ERR("WLC_DISASSOC failed (%d)\n", err); | |
889 | cfg_priv->link_up = false; | |
890 | } | |
891 | WL_TRACE("Exit\n"); | |
892 | } | |
893 | ||
894 | static s32 | |
895 | brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, | |
896 | struct cfg80211_ibss_params *params) | |
897 | { | |
898 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
899 | struct brcmf_join_params join_params; | |
900 | size_t join_params_size = 0; | |
901 | s32 err = 0; | |
902 | s32 wsec = 0; | |
903 | s32 bcnprd; | |
904 | struct brcmf_ssid ssid; | |
905 | ||
906 | WL_TRACE("Enter\n"); | |
907 | if (!check_sys_up(wiphy)) | |
908 | return -EIO; | |
909 | ||
910 | if (params->ssid) | |
911 | WL_CONN("SSID: %s\n", params->ssid); | |
912 | else { | |
913 | WL_CONN("SSID: NULL, Not supported\n"); | |
914 | return -EOPNOTSUPP; | |
915 | } | |
916 | ||
917 | set_bit(WL_STATUS_CONNECTING, &cfg_priv->status); | |
918 | ||
919 | if (params->bssid) | |
920 | WL_CONN("BSSID: %02X %02X %02X %02X %02X %02X\n", | |
921 | params->bssid[0], params->bssid[1], params->bssid[2], | |
922 | params->bssid[3], params->bssid[4], params->bssid[5]); | |
923 | else | |
924 | WL_CONN("No BSSID specified\n"); | |
925 | ||
926 | if (params->channel) | |
927 | WL_CONN("channel: %d\n", params->channel->center_freq); | |
928 | else | |
929 | WL_CONN("no channel specified\n"); | |
930 | ||
931 | if (params->channel_fixed) | |
932 | WL_CONN("fixed channel required\n"); | |
933 | else | |
934 | WL_CONN("no fixed channel required\n"); | |
935 | ||
936 | if (params->ie && params->ie_len) | |
937 | WL_CONN("ie len: %d\n", params->ie_len); | |
938 | else | |
939 | WL_CONN("no ie specified\n"); | |
940 | ||
941 | if (params->beacon_interval) | |
942 | WL_CONN("beacon interval: %d\n", params->beacon_interval); | |
943 | else | |
944 | WL_CONN("no beacon interval specified\n"); | |
945 | ||
946 | if (params->basic_rates) | |
947 | WL_CONN("basic rates: %08X\n", params->basic_rates); | |
948 | else | |
949 | WL_CONN("no basic rates specified\n"); | |
950 | ||
951 | if (params->privacy) | |
952 | WL_CONN("privacy required\n"); | |
953 | else | |
954 | WL_CONN("no privacy required\n"); | |
955 | ||
956 | /* Configure Privacy for starter */ | |
957 | if (params->privacy) | |
958 | wsec |= WEP_ENABLED; | |
959 | ||
960 | err = brcmf_dev_intvar_set(ndev, "wsec", wsec); | |
961 | if (err) { | |
962 | WL_ERR("wsec failed (%d)\n", err); | |
963 | goto done; | |
964 | } | |
965 | ||
966 | /* Configure Beacon Interval for starter */ | |
967 | if (params->beacon_interval) | |
968 | bcnprd = params->beacon_interval; | |
969 | else | |
970 | bcnprd = 100; | |
971 | ||
972 | err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_BCNPRD, &bcnprd); | |
973 | if (err) { | |
974 | WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err); | |
975 | goto done; | |
976 | } | |
977 | ||
978 | /* Configure required join parameter */ | |
979 | memset(&join_params, 0, sizeof(struct brcmf_join_params)); | |
980 | ||
981 | /* SSID */ | |
982 | ssid.SSID_len = min_t(u32, params->ssid_len, 32); | |
983 | memcpy(ssid.SSID, params->ssid, ssid.SSID_len); | |
984 | memcpy(join_params.ssid_le.SSID, params->ssid, ssid.SSID_len); | |
985 | join_params.ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len); | |
986 | join_params_size = sizeof(join_params.ssid_le); | |
987 | brcmf_update_prof(cfg_priv, NULL, &ssid, WL_PROF_SSID); | |
988 | ||
989 | /* BSSID */ | |
990 | if (params->bssid) { | |
991 | memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN); | |
992 | join_params_size = sizeof(join_params.ssid_le) + | |
993 | BRCMF_ASSOC_PARAMS_FIXED_SIZE; | |
994 | } else { | |
995 | memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); | |
996 | } | |
997 | ||
998 | brcmf_update_prof(cfg_priv, NULL, | |
999 | &join_params.params_le.bssid, WL_PROF_BSSID); | |
1000 | ||
1001 | /* Channel */ | |
1002 | if (params->channel) { | |
1003 | u32 target_channel; | |
1004 | ||
1005 | cfg_priv->channel = | |
1006 | ieee80211_frequency_to_channel( | |
1007 | params->channel->center_freq); | |
1008 | if (params->channel_fixed) { | |
1009 | /* adding chanspec */ | |
1010 | brcmf_ch_to_chanspec(cfg_priv->channel, | |
1011 | &join_params, &join_params_size); | |
1012 | } | |
1013 | ||
1014 | /* set channel for starter */ | |
1015 | target_channel = cfg_priv->channel; | |
1016 | err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_CHANNEL, | |
1017 | &target_channel); | |
1018 | if (err) { | |
1019 | WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err); | |
1020 | goto done; | |
1021 | } | |
1022 | } else | |
1023 | cfg_priv->channel = 0; | |
1024 | ||
1025 | cfg_priv->ibss_starter = false; | |
1026 | ||
1027 | ||
1028 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, | |
1029 | &join_params, join_params_size); | |
1030 | if (err) { | |
1031 | WL_ERR("WLC_SET_SSID failed (%d)\n", err); | |
1032 | goto done; | |
1033 | } | |
1034 | ||
1035 | done: | |
1036 | if (err) | |
1037 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); | |
1038 | WL_TRACE("Exit\n"); | |
1039 | return err; | |
1040 | } | |
1041 | ||
1042 | static s32 | |
1043 | brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) | |
1044 | { | |
1045 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
1046 | s32 err = 0; | |
1047 | ||
1048 | WL_TRACE("Enter\n"); | |
1049 | if (!check_sys_up(wiphy)) | |
1050 | return -EIO; | |
1051 | ||
1052 | brcmf_link_down(cfg_priv); | |
1053 | ||
1054 | WL_TRACE("Exit\n"); | |
1055 | ||
1056 | return err; | |
1057 | } | |
1058 | ||
1059 | static s32 brcmf_set_wpa_version(struct net_device *ndev, | |
1060 | struct cfg80211_connect_params *sme) | |
1061 | { | |
1062 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
1063 | struct brcmf_cfg80211_security *sec; | |
1064 | s32 val = 0; | |
1065 | s32 err = 0; | |
1066 | ||
1067 | if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
1068 | val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; | |
1069 | else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
1070 | val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; | |
1071 | else | |
1072 | val = WPA_AUTH_DISABLED; | |
1073 | WL_CONN("setting wpa_auth to 0x%0x\n", val); | |
1074 | err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); | |
1075 | if (err) { | |
1076 | WL_ERR("set wpa_auth failed (%d)\n", err); | |
1077 | return err; | |
1078 | } | |
1079 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); | |
1080 | sec->wpa_versions = sme->crypto.wpa_versions; | |
1081 | return err; | |
1082 | } | |
1083 | ||
1084 | static s32 brcmf_set_auth_type(struct net_device *ndev, | |
1085 | struct cfg80211_connect_params *sme) | |
1086 | { | |
1087 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
1088 | struct brcmf_cfg80211_security *sec; | |
1089 | s32 val = 0; | |
1090 | s32 err = 0; | |
1091 | ||
1092 | switch (sme->auth_type) { | |
1093 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
1094 | val = 0; | |
1095 | WL_CONN("open system\n"); | |
1096 | break; | |
1097 | case NL80211_AUTHTYPE_SHARED_KEY: | |
1098 | val = 1; | |
1099 | WL_CONN("shared key\n"); | |
1100 | break; | |
1101 | case NL80211_AUTHTYPE_AUTOMATIC: | |
1102 | val = 2; | |
1103 | WL_CONN("automatic\n"); | |
1104 | break; | |
1105 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
1106 | WL_CONN("network eap\n"); | |
1107 | default: | |
1108 | val = 2; | |
1109 | WL_ERR("invalid auth type (%d)\n", sme->auth_type); | |
1110 | break; | |
1111 | } | |
1112 | ||
1113 | err = brcmf_dev_intvar_set(ndev, "auth", val); | |
1114 | if (err) { | |
1115 | WL_ERR("set auth failed (%d)\n", err); | |
1116 | return err; | |
1117 | } | |
1118 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); | |
1119 | sec->auth_type = sme->auth_type; | |
1120 | return err; | |
1121 | } | |
1122 | ||
1123 | static s32 | |
1124 | brcmf_set_set_cipher(struct net_device *ndev, | |
1125 | struct cfg80211_connect_params *sme) | |
1126 | { | |
1127 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
1128 | struct brcmf_cfg80211_security *sec; | |
1129 | s32 pval = 0; | |
1130 | s32 gval = 0; | |
1131 | s32 err = 0; | |
1132 | ||
1133 | if (sme->crypto.n_ciphers_pairwise) { | |
1134 | switch (sme->crypto.ciphers_pairwise[0]) { | |
1135 | case WLAN_CIPHER_SUITE_WEP40: | |
1136 | case WLAN_CIPHER_SUITE_WEP104: | |
1137 | pval = WEP_ENABLED; | |
1138 | break; | |
1139 | case WLAN_CIPHER_SUITE_TKIP: | |
1140 | pval = TKIP_ENABLED; | |
1141 | break; | |
1142 | case WLAN_CIPHER_SUITE_CCMP: | |
1143 | pval = AES_ENABLED; | |
1144 | break; | |
1145 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1146 | pval = AES_ENABLED; | |
1147 | break; | |
1148 | default: | |
1149 | WL_ERR("invalid cipher pairwise (%d)\n", | |
1150 | sme->crypto.ciphers_pairwise[0]); | |
1151 | return -EINVAL; | |
1152 | } | |
1153 | } | |
1154 | if (sme->crypto.cipher_group) { | |
1155 | switch (sme->crypto.cipher_group) { | |
1156 | case WLAN_CIPHER_SUITE_WEP40: | |
1157 | case WLAN_CIPHER_SUITE_WEP104: | |
1158 | gval = WEP_ENABLED; | |
1159 | break; | |
1160 | case WLAN_CIPHER_SUITE_TKIP: | |
1161 | gval = TKIP_ENABLED; | |
1162 | break; | |
1163 | case WLAN_CIPHER_SUITE_CCMP: | |
1164 | gval = AES_ENABLED; | |
1165 | break; | |
1166 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1167 | gval = AES_ENABLED; | |
1168 | break; | |
1169 | default: | |
1170 | WL_ERR("invalid cipher group (%d)\n", | |
1171 | sme->crypto.cipher_group); | |
1172 | return -EINVAL; | |
1173 | } | |
1174 | } | |
1175 | ||
1176 | WL_CONN("pval (%d) gval (%d)\n", pval, gval); | |
1177 | err = brcmf_dev_intvar_set(ndev, "wsec", pval | gval); | |
1178 | if (err) { | |
1179 | WL_ERR("error (%d)\n", err); | |
1180 | return err; | |
1181 | } | |
1182 | ||
1183 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); | |
1184 | sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; | |
1185 | sec->cipher_group = sme->crypto.cipher_group; | |
1186 | ||
1187 | return err; | |
1188 | } | |
1189 | ||
1190 | static s32 | |
1191 | brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) | |
1192 | { | |
1193 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
1194 | struct brcmf_cfg80211_security *sec; | |
1195 | s32 val = 0; | |
1196 | s32 err = 0; | |
1197 | ||
1198 | if (sme->crypto.n_akm_suites) { | |
1199 | err = brcmf_dev_intvar_get(ndev, "wpa_auth", &val); | |
1200 | if (err) { | |
1201 | WL_ERR("could not get wpa_auth (%d)\n", err); | |
1202 | return err; | |
1203 | } | |
1204 | if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { | |
1205 | switch (sme->crypto.akm_suites[0]) { | |
1206 | case WLAN_AKM_SUITE_8021X: | |
1207 | val = WPA_AUTH_UNSPECIFIED; | |
1208 | break; | |
1209 | case WLAN_AKM_SUITE_PSK: | |
1210 | val = WPA_AUTH_PSK; | |
1211 | break; | |
1212 | default: | |
1213 | WL_ERR("invalid cipher group (%d)\n", | |
1214 | sme->crypto.cipher_group); | |
1215 | return -EINVAL; | |
1216 | } | |
1217 | } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { | |
1218 | switch (sme->crypto.akm_suites[0]) { | |
1219 | case WLAN_AKM_SUITE_8021X: | |
1220 | val = WPA2_AUTH_UNSPECIFIED; | |
1221 | break; | |
1222 | case WLAN_AKM_SUITE_PSK: | |
1223 | val = WPA2_AUTH_PSK; | |
1224 | break; | |
1225 | default: | |
1226 | WL_ERR("invalid cipher group (%d)\n", | |
1227 | sme->crypto.cipher_group); | |
1228 | return -EINVAL; | |
1229 | } | |
1230 | } | |
1231 | ||
1232 | WL_CONN("setting wpa_auth to %d\n", val); | |
1233 | err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); | |
1234 | if (err) { | |
1235 | WL_ERR("could not set wpa_auth (%d)\n", err); | |
1236 | return err; | |
1237 | } | |
1238 | } | |
1239 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); | |
1240 | sec->wpa_auth = sme->crypto.akm_suites[0]; | |
1241 | ||
1242 | return err; | |
1243 | } | |
1244 | ||
1245 | static s32 | |
a718e2fe | 1246 | brcmf_set_wep_sharedkey(struct net_device *ndev, |
5b435de0 AS |
1247 | struct cfg80211_connect_params *sme) |
1248 | { | |
1249 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
1250 | struct brcmf_cfg80211_security *sec; | |
1251 | struct brcmf_wsec_key key; | |
1252 | s32 val; | |
1253 | s32 err = 0; | |
1254 | ||
1255 | WL_CONN("key len (%d)\n", sme->key_len); | |
5b435de0 | 1256 | |
a718e2fe RV |
1257 | if (sme->key_len == 0) |
1258 | return 0; | |
1259 | ||
1260 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); | |
1261 | WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n", | |
1262 | sec->wpa_versions, sec->cipher_pairwise); | |
1263 | ||
1264 | if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) | |
1265 | return 0; | |
1266 | ||
1267 | if (sec->cipher_pairwise & | |
1268 | (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)) { | |
1269 | memset(&key, 0, sizeof(key)); | |
1270 | key.len = (u32) sme->key_len; | |
1271 | key.index = (u32) sme->key_idx; | |
1272 | if (key.len > sizeof(key.data)) { | |
1273 | WL_ERR("Too long key length (%u)\n", key.len); | |
1274 | return -EINVAL; | |
1275 | } | |
1276 | memcpy(key.data, sme->key, key.len); | |
1277 | key.flags = BRCMF_PRIMARY_KEY; | |
1278 | switch (sec->cipher_pairwise) { | |
1279 | case WLAN_CIPHER_SUITE_WEP40: | |
1280 | key.algo = CRYPTO_ALGO_WEP1; | |
1281 | break; | |
1282 | case WLAN_CIPHER_SUITE_WEP104: | |
1283 | key.algo = CRYPTO_ALGO_WEP128; | |
1284 | break; | |
1285 | default: | |
1286 | WL_ERR("Invalid algorithm (%d)\n", | |
1287 | sme->crypto.ciphers_pairwise[0]); | |
1288 | return -EINVAL; | |
1289 | } | |
1290 | /* Set the new key/index */ | |
1291 | WL_CONN("key length (%d) key index (%d) algo (%d)\n", | |
1292 | key.len, key.index, key.algo); | |
1293 | WL_CONN("key \"%s\"\n", key.data); | |
1294 | err = send_key_to_dongle(ndev, &key); | |
1295 | if (err) | |
1296 | return err; | |
1297 | ||
1298 | if (sec->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) { | |
1299 | WL_CONN("set auth_type to shared key\n"); | |
1300 | val = 1; /* shared key */ | |
1301 | err = brcmf_dev_intvar_set(ndev, "auth", val); | |
1302 | if (err) { | |
1303 | WL_ERR("set auth failed (%d)\n", err); | |
1304 | return err; | |
5b435de0 AS |
1305 | } |
1306 | } | |
1307 | } | |
1308 | return err; | |
1309 | } | |
1310 | ||
1311 | static s32 | |
1312 | brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, | |
1313 | struct cfg80211_connect_params *sme) | |
1314 | { | |
1315 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
1316 | struct ieee80211_channel *chan = sme->channel; | |
1317 | struct brcmf_join_params join_params; | |
1318 | size_t join_params_size; | |
1319 | struct brcmf_ssid ssid; | |
1320 | ||
1321 | s32 err = 0; | |
1322 | ||
1323 | WL_TRACE("Enter\n"); | |
1324 | if (!check_sys_up(wiphy)) | |
1325 | return -EIO; | |
1326 | ||
1327 | if (!sme->ssid) { | |
1328 | WL_ERR("Invalid ssid\n"); | |
1329 | return -EOPNOTSUPP; | |
1330 | } | |
1331 | ||
1332 | set_bit(WL_STATUS_CONNECTING, &cfg_priv->status); | |
1333 | ||
1334 | if (chan) { | |
1335 | cfg_priv->channel = | |
1336 | ieee80211_frequency_to_channel(chan->center_freq); | |
1337 | WL_CONN("channel (%d), center_req (%d)\n", | |
1338 | cfg_priv->channel, chan->center_freq); | |
1339 | } else | |
1340 | cfg_priv->channel = 0; | |
1341 | ||
1342 | WL_INFO("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); | |
1343 | ||
1344 | err = brcmf_set_wpa_version(ndev, sme); | |
1345 | if (err) { | |
1346 | WL_ERR("wl_set_wpa_version failed (%d)\n", err); | |
1347 | goto done; | |
1348 | } | |
1349 | ||
1350 | err = brcmf_set_auth_type(ndev, sme); | |
1351 | if (err) { | |
1352 | WL_ERR("wl_set_auth_type failed (%d)\n", err); | |
1353 | goto done; | |
1354 | } | |
1355 | ||
1356 | err = brcmf_set_set_cipher(ndev, sme); | |
1357 | if (err) { | |
1358 | WL_ERR("wl_set_set_cipher failed (%d)\n", err); | |
1359 | goto done; | |
1360 | } | |
1361 | ||
1362 | err = brcmf_set_key_mgmt(ndev, sme); | |
1363 | if (err) { | |
1364 | WL_ERR("wl_set_key_mgmt failed (%d)\n", err); | |
1365 | goto done; | |
1366 | } | |
1367 | ||
a718e2fe | 1368 | err = brcmf_set_wep_sharedkey(ndev, sme); |
5b435de0 | 1369 | if (err) { |
a718e2fe | 1370 | WL_ERR("brcmf_set_wep_sharedkey failed (%d)\n", err); |
5b435de0 AS |
1371 | goto done; |
1372 | } | |
1373 | ||
1374 | memset(&join_params, 0, sizeof(join_params)); | |
1375 | join_params_size = sizeof(join_params.ssid_le); | |
1376 | ||
1377 | ssid.SSID_len = min_t(u32, sizeof(ssid.SSID), sme->ssid_len); | |
1378 | memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid.SSID_len); | |
1379 | memcpy(&ssid.SSID, sme->ssid, ssid.SSID_len); | |
1380 | join_params.ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len); | |
1381 | brcmf_update_prof(cfg_priv, NULL, &ssid, WL_PROF_SSID); | |
1382 | ||
1383 | memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); | |
1384 | ||
1385 | if (ssid.SSID_len < IEEE80211_MAX_SSID_LEN) | |
1386 | WL_CONN("ssid \"%s\", len (%d)\n", | |
1387 | ssid.SSID, ssid.SSID_len); | |
1388 | ||
1389 | brcmf_ch_to_chanspec(cfg_priv->channel, | |
1390 | &join_params, &join_params_size); | |
1391 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, | |
1392 | &join_params, join_params_size); | |
1393 | if (err) | |
1394 | WL_ERR("WLC_SET_SSID failed (%d)\n", err); | |
1395 | ||
1396 | done: | |
1397 | if (err) | |
1398 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); | |
1399 | WL_TRACE("Exit\n"); | |
1400 | return err; | |
1401 | } | |
1402 | ||
1403 | static s32 | |
1404 | brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, | |
1405 | u16 reason_code) | |
1406 | { | |
1407 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
1408 | struct brcmf_scb_val_le scbval; | |
1409 | s32 err = 0; | |
1410 | ||
1411 | WL_TRACE("Enter. Reason code = %d\n", reason_code); | |
1412 | if (!check_sys_up(wiphy)) | |
1413 | return -EIO; | |
1414 | ||
1415 | clear_bit(WL_STATUS_CONNECTED, &cfg_priv->status); | |
1416 | ||
1417 | memcpy(&scbval.ea, brcmf_read_prof(cfg_priv, WL_PROF_BSSID), ETH_ALEN); | |
1418 | scbval.val = cpu_to_le32(reason_code); | |
1419 | err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, &scbval, | |
1420 | sizeof(struct brcmf_scb_val_le)); | |
1421 | if (err) | |
1422 | WL_ERR("error (%d)\n", err); | |
1423 | ||
1424 | cfg_priv->link_up = false; | |
1425 | ||
1426 | WL_TRACE("Exit\n"); | |
1427 | return err; | |
1428 | } | |
1429 | ||
1430 | static s32 | |
1431 | brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, | |
1432 | enum nl80211_tx_power_setting type, s32 dbm) | |
1433 | { | |
1434 | ||
1435 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
1436 | struct net_device *ndev = cfg_to_ndev(cfg_priv); | |
1437 | u16 txpwrmw; | |
1438 | s32 err = 0; | |
1439 | s32 disable = 0; | |
1440 | ||
1441 | WL_TRACE("Enter\n"); | |
1442 | if (!check_sys_up(wiphy)) | |
1443 | return -EIO; | |
1444 | ||
1445 | switch (type) { | |
1446 | case NL80211_TX_POWER_AUTOMATIC: | |
1447 | break; | |
1448 | case NL80211_TX_POWER_LIMITED: | |
1449 | if (dbm < 0) { | |
1450 | WL_ERR("TX_POWER_LIMITED - dbm is negative\n"); | |
1451 | err = -EINVAL; | |
1452 | goto done; | |
1453 | } | |
1454 | break; | |
1455 | case NL80211_TX_POWER_FIXED: | |
1456 | if (dbm < 0) { | |
1457 | WL_ERR("TX_POWER_FIXED - dbm is negative\n"); | |
1458 | err = -EINVAL; | |
1459 | goto done; | |
1460 | } | |
1461 | break; | |
1462 | } | |
1463 | /* Make sure radio is off or on as far as software is concerned */ | |
1464 | disable = WL_RADIO_SW_DISABLE << 16; | |
1465 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_RADIO, &disable); | |
1466 | if (err) | |
1467 | WL_ERR("WLC_SET_RADIO error (%d)\n", err); | |
1468 | ||
1469 | if (dbm > 0xffff) | |
1470 | txpwrmw = 0xffff; | |
1471 | else | |
1472 | txpwrmw = (u16) dbm; | |
1473 | err = brcmf_dev_intvar_set(ndev, "qtxpower", | |
ef6ac17a | 1474 | (s32) (brcmf_mw_to_qdbm(txpwrmw))); |
5b435de0 AS |
1475 | if (err) |
1476 | WL_ERR("qtxpower error (%d)\n", err); | |
1477 | cfg_priv->conf->tx_power = dbm; | |
1478 | ||
1479 | done: | |
1480 | WL_TRACE("Exit\n"); | |
1481 | return err; | |
1482 | } | |
1483 | ||
1484 | static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) | |
1485 | { | |
1486 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
1487 | struct net_device *ndev = cfg_to_ndev(cfg_priv); | |
1488 | s32 txpwrdbm; | |
1489 | u8 result; | |
1490 | s32 err = 0; | |
1491 | ||
1492 | WL_TRACE("Enter\n"); | |
1493 | if (!check_sys_up(wiphy)) | |
1494 | return -EIO; | |
1495 | ||
1496 | err = brcmf_dev_intvar_get(ndev, "qtxpower", &txpwrdbm); | |
1497 | if (err) { | |
1498 | WL_ERR("error (%d)\n", err); | |
1499 | goto done; | |
1500 | } | |
1501 | ||
1502 | result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE); | |
ef6ac17a | 1503 | *dbm = (s32) brcmf_qdbm_to_mw(result); |
5b435de0 AS |
1504 | |
1505 | done: | |
1506 | WL_TRACE("Exit\n"); | |
1507 | return err; | |
1508 | } | |
1509 | ||
1510 | static s32 | |
1511 | brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, | |
1512 | u8 key_idx, bool unicast, bool multicast) | |
1513 | { | |
1514 | u32 index; | |
1515 | u32 wsec; | |
1516 | s32 err = 0; | |
1517 | ||
1518 | WL_TRACE("Enter\n"); | |
1519 | WL_CONN("key index (%d)\n", key_idx); | |
1520 | if (!check_sys_up(wiphy)) | |
1521 | return -EIO; | |
1522 | ||
1523 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec); | |
1524 | if (err) { | |
1525 | WL_ERR("WLC_GET_WSEC error (%d)\n", err); | |
1526 | goto done; | |
1527 | } | |
1528 | ||
1529 | if (wsec & WEP_ENABLED) { | |
1530 | /* Just select a new current key */ | |
1531 | index = key_idx; | |
1532 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_KEY_PRIMARY, | |
1533 | &index); | |
1534 | if (err) | |
1535 | WL_ERR("error (%d)\n", err); | |
1536 | } | |
1537 | done: | |
1538 | WL_TRACE("Exit\n"); | |
1539 | return err; | |
1540 | } | |
1541 | ||
1542 | static s32 | |
1543 | brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev, | |
1544 | u8 key_idx, const u8 *mac_addr, struct key_params *params) | |
1545 | { | |
1546 | struct brcmf_wsec_key key; | |
1547 | struct brcmf_wsec_key_le key_le; | |
1548 | s32 err = 0; | |
1549 | ||
1550 | memset(&key, 0, sizeof(key)); | |
1551 | key.index = (u32) key_idx; | |
1552 | /* Instead of bcast for ea address for default wep keys, | |
1553 | driver needs it to be Null */ | |
1554 | if (!is_multicast_ether_addr(mac_addr)) | |
1555 | memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN); | |
1556 | key.len = (u32) params->key_len; | |
1557 | /* check for key index change */ | |
1558 | if (key.len == 0) { | |
1559 | /* key delete */ | |
1560 | err = send_key_to_dongle(ndev, &key); | |
1561 | if (err) | |
1562 | return err; | |
1563 | } else { | |
1564 | if (key.len > sizeof(key.data)) { | |
1565 | WL_ERR("Invalid key length (%d)\n", key.len); | |
1566 | return -EINVAL; | |
1567 | } | |
1568 | ||
1569 | WL_CONN("Setting the key index %d\n", key.index); | |
1570 | memcpy(key.data, params->key, key.len); | |
1571 | ||
1572 | if (params->cipher == WLAN_CIPHER_SUITE_TKIP) { | |
1573 | u8 keybuf[8]; | |
1574 | memcpy(keybuf, &key.data[24], sizeof(keybuf)); | |
1575 | memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); | |
1576 | memcpy(&key.data[16], keybuf, sizeof(keybuf)); | |
1577 | } | |
1578 | ||
1579 | /* if IW_ENCODE_EXT_RX_SEQ_VALID set */ | |
1580 | if (params->seq && params->seq_len == 6) { | |
1581 | /* rx iv */ | |
1582 | u8 *ivptr; | |
1583 | ivptr = (u8 *) params->seq; | |
1584 | key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | | |
1585 | (ivptr[3] << 8) | ivptr[2]; | |
1586 | key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; | |
1587 | key.iv_initialized = true; | |
1588 | } | |
1589 | ||
1590 | switch (params->cipher) { | |
1591 | case WLAN_CIPHER_SUITE_WEP40: | |
1592 | key.algo = CRYPTO_ALGO_WEP1; | |
1593 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); | |
1594 | break; | |
1595 | case WLAN_CIPHER_SUITE_WEP104: | |
1596 | key.algo = CRYPTO_ALGO_WEP128; | |
1597 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); | |
1598 | break; | |
1599 | case WLAN_CIPHER_SUITE_TKIP: | |
1600 | key.algo = CRYPTO_ALGO_TKIP; | |
1601 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); | |
1602 | break; | |
1603 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1604 | key.algo = CRYPTO_ALGO_AES_CCM; | |
1605 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); | |
1606 | break; | |
1607 | case WLAN_CIPHER_SUITE_CCMP: | |
1608 | key.algo = CRYPTO_ALGO_AES_CCM; | |
1609 | WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); | |
1610 | break; | |
1611 | default: | |
1612 | WL_ERR("Invalid cipher (0x%x)\n", params->cipher); | |
1613 | return -EINVAL; | |
1614 | } | |
1615 | convert_key_from_CPU(&key, &key_le); | |
1616 | ||
1617 | brcmf_netdev_wait_pend8021x(ndev); | |
1618 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le, | |
1619 | sizeof(key_le)); | |
1620 | if (err) { | |
1621 | WL_ERR("WLC_SET_KEY error (%d)\n", err); | |
1622 | return err; | |
1623 | } | |
1624 | } | |
1625 | return err; | |
1626 | } | |
1627 | ||
1628 | static s32 | |
1629 | brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, | |
1630 | u8 key_idx, bool pairwise, const u8 *mac_addr, | |
1631 | struct key_params *params) | |
1632 | { | |
1633 | struct brcmf_wsec_key key; | |
1634 | s32 val; | |
1635 | s32 wsec; | |
1636 | s32 err = 0; | |
1637 | u8 keybuf[8]; | |
1638 | ||
1639 | WL_TRACE("Enter\n"); | |
1640 | WL_CONN("key index (%d)\n", key_idx); | |
1641 | if (!check_sys_up(wiphy)) | |
1642 | return -EIO; | |
1643 | ||
1644 | if (mac_addr) { | |
1645 | WL_TRACE("Exit"); | |
1646 | return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params); | |
1647 | } | |
1648 | memset(&key, 0, sizeof(key)); | |
1649 | ||
1650 | key.len = (u32) params->key_len; | |
1651 | key.index = (u32) key_idx; | |
1652 | ||
1653 | if (key.len > sizeof(key.data)) { | |
1654 | WL_ERR("Too long key length (%u)\n", key.len); | |
1655 | err = -EINVAL; | |
1656 | goto done; | |
1657 | } | |
1658 | memcpy(key.data, params->key, key.len); | |
1659 | ||
1660 | key.flags = BRCMF_PRIMARY_KEY; | |
1661 | switch (params->cipher) { | |
1662 | case WLAN_CIPHER_SUITE_WEP40: | |
1663 | key.algo = CRYPTO_ALGO_WEP1; | |
1664 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); | |
1665 | break; | |
1666 | case WLAN_CIPHER_SUITE_WEP104: | |
1667 | key.algo = CRYPTO_ALGO_WEP128; | |
1668 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); | |
1669 | break; | |
1670 | case WLAN_CIPHER_SUITE_TKIP: | |
1671 | memcpy(keybuf, &key.data[24], sizeof(keybuf)); | |
1672 | memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); | |
1673 | memcpy(&key.data[16], keybuf, sizeof(keybuf)); | |
1674 | key.algo = CRYPTO_ALGO_TKIP; | |
1675 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); | |
1676 | break; | |
1677 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1678 | key.algo = CRYPTO_ALGO_AES_CCM; | |
1679 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); | |
1680 | break; | |
1681 | case WLAN_CIPHER_SUITE_CCMP: | |
1682 | key.algo = CRYPTO_ALGO_AES_CCM; | |
1683 | WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); | |
1684 | break; | |
1685 | default: | |
1686 | WL_ERR("Invalid cipher (0x%x)\n", params->cipher); | |
1687 | err = -EINVAL; | |
1688 | goto done; | |
1689 | } | |
1690 | ||
1691 | err = send_key_to_dongle(ndev, &key); /* Set the new key/index */ | |
1692 | if (err) | |
1693 | goto done; | |
1694 | ||
1695 | val = WEP_ENABLED; | |
1696 | err = brcmf_dev_intvar_get(ndev, "wsec", &wsec); | |
1697 | if (err) { | |
1698 | WL_ERR("get wsec error (%d)\n", err); | |
1699 | goto done; | |
1700 | } | |
1701 | wsec &= ~(WEP_ENABLED); | |
1702 | wsec |= val; | |
1703 | err = brcmf_dev_intvar_set(ndev, "wsec", wsec); | |
1704 | if (err) { | |
1705 | WL_ERR("set wsec error (%d)\n", err); | |
1706 | goto done; | |
1707 | } | |
1708 | ||
1709 | val = 1; /* assume shared key. otherwise 0 */ | |
1710 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val); | |
1711 | if (err) | |
1712 | WL_ERR("WLC_SET_AUTH error (%d)\n", err); | |
1713 | done: | |
1714 | WL_TRACE("Exit\n"); | |
1715 | return err; | |
1716 | } | |
1717 | ||
1718 | static s32 | |
1719 | brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, | |
1720 | u8 key_idx, bool pairwise, const u8 *mac_addr) | |
1721 | { | |
1722 | struct brcmf_wsec_key key; | |
1723 | s32 err = 0; | |
1724 | s32 val; | |
1725 | s32 wsec; | |
1726 | ||
1727 | WL_TRACE("Enter\n"); | |
1728 | if (!check_sys_up(wiphy)) | |
1729 | return -EIO; | |
1730 | ||
1731 | memset(&key, 0, sizeof(key)); | |
1732 | ||
1733 | key.index = (u32) key_idx; | |
1734 | key.flags = BRCMF_PRIMARY_KEY; | |
1735 | key.algo = CRYPTO_ALGO_OFF; | |
1736 | ||
1737 | WL_CONN("key index (%d)\n", key_idx); | |
1738 | ||
1739 | /* Set the new key/index */ | |
1740 | err = send_key_to_dongle(ndev, &key); | |
1741 | if (err) { | |
1742 | if (err == -EINVAL) { | |
1743 | if (key.index >= DOT11_MAX_DEFAULT_KEYS) | |
1744 | /* we ignore this key index in this case */ | |
1745 | WL_ERR("invalid key index (%d)\n", key_idx); | |
1746 | } | |
1747 | /* Ignore this error, may happen during DISASSOC */ | |
1748 | err = -EAGAIN; | |
1749 | goto done; | |
1750 | } | |
1751 | ||
1752 | val = 0; | |
1753 | err = brcmf_dev_intvar_get(ndev, "wsec", &wsec); | |
1754 | if (err) { | |
1755 | WL_ERR("get wsec error (%d)\n", err); | |
1756 | /* Ignore this error, may happen during DISASSOC */ | |
1757 | err = -EAGAIN; | |
1758 | goto done; | |
1759 | } | |
1760 | wsec &= ~(WEP_ENABLED); | |
1761 | wsec |= val; | |
1762 | err = brcmf_dev_intvar_set(ndev, "wsec", wsec); | |
1763 | if (err) { | |
1764 | WL_ERR("set wsec error (%d)\n", err); | |
1765 | /* Ignore this error, may happen during DISASSOC */ | |
1766 | err = -EAGAIN; | |
1767 | goto done; | |
1768 | } | |
1769 | ||
1770 | val = 0; /* assume open key. otherwise 1 */ | |
1771 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val); | |
1772 | if (err) { | |
1773 | WL_ERR("WLC_SET_AUTH error (%d)\n", err); | |
1774 | /* Ignore this error, may happen during DISASSOC */ | |
1775 | err = -EAGAIN; | |
1776 | } | |
1777 | done: | |
1778 | WL_TRACE("Exit\n"); | |
1779 | return err; | |
1780 | } | |
1781 | ||
1782 | static s32 | |
1783 | brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, | |
1784 | u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, | |
1785 | void (*callback) (void *cookie, struct key_params * params)) | |
1786 | { | |
1787 | struct key_params params; | |
1788 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
1789 | struct brcmf_cfg80211_security *sec; | |
1790 | s32 wsec; | |
1791 | s32 err = 0; | |
1792 | ||
1793 | WL_TRACE("Enter\n"); | |
1794 | WL_CONN("key index (%d)\n", key_idx); | |
1795 | if (!check_sys_up(wiphy)) | |
1796 | return -EIO; | |
1797 | ||
1798 | memset(¶ms, 0, sizeof(params)); | |
1799 | ||
1800 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec); | |
1801 | if (err) { | |
1802 | WL_ERR("WLC_GET_WSEC error (%d)\n", err); | |
1803 | /* Ignore this error, may happen during DISASSOC */ | |
1804 | err = -EAGAIN; | |
1805 | goto done; | |
1806 | } | |
1807 | switch (wsec) { | |
1808 | case WEP_ENABLED: | |
1809 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); | |
1810 | if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { | |
1811 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
1812 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); | |
1813 | } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { | |
1814 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
1815 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); | |
1816 | } | |
1817 | break; | |
1818 | case TKIP_ENABLED: | |
1819 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
1820 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); | |
1821 | break; | |
1822 | case AES_ENABLED: | |
1823 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; | |
1824 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); | |
1825 | break; | |
1826 | default: | |
1827 | WL_ERR("Invalid algo (0x%x)\n", wsec); | |
1828 | err = -EINVAL; | |
1829 | goto done; | |
1830 | } | |
1831 | callback(cookie, ¶ms); | |
1832 | ||
1833 | done: | |
1834 | WL_TRACE("Exit\n"); | |
1835 | return err; | |
1836 | } | |
1837 | ||
1838 | static s32 | |
1839 | brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, | |
1840 | struct net_device *ndev, u8 key_idx) | |
1841 | { | |
1842 | WL_INFO("Not supported\n"); | |
1843 | ||
1844 | return -EOPNOTSUPP; | |
1845 | } | |
1846 | ||
1847 | static s32 | |
1848 | brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, | |
1849 | u8 *mac, struct station_info *sinfo) | |
1850 | { | |
1851 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
1852 | struct brcmf_scb_val_le scb_val; | |
1853 | int rssi; | |
1854 | s32 rate; | |
1855 | s32 err = 0; | |
1856 | u8 *bssid = brcmf_read_prof(cfg_priv, WL_PROF_BSSID); | |
1857 | ||
1858 | WL_TRACE("Enter\n"); | |
1859 | if (!check_sys_up(wiphy)) | |
1860 | return -EIO; | |
1861 | ||
1862 | if (memcmp(mac, bssid, ETH_ALEN)) { | |
1863 | WL_ERR("Wrong Mac address cfg_mac-%X:%X:%X:%X:%X:%X" | |
1864 | "wl_bssid-%X:%X:%X:%X:%X:%X\n", | |
1865 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], | |
1866 | bssid[0], bssid[1], bssid[2], bssid[3], | |
1867 | bssid[4], bssid[5]); | |
1868 | err = -ENOENT; | |
1869 | goto done; | |
1870 | } | |
1871 | ||
1872 | /* Report the current tx rate */ | |
1873 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_RATE, &rate); | |
1874 | if (err) { | |
1875 | WL_ERR("Could not get rate (%d)\n", err); | |
1876 | } else { | |
1877 | sinfo->filled |= STATION_INFO_TX_BITRATE; | |
1878 | sinfo->txrate.legacy = rate * 5; | |
1879 | WL_CONN("Rate %d Mbps\n", rate / 2); | |
1880 | } | |
1881 | ||
1882 | if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status)) { | |
1883 | scb_val.val = cpu_to_le32(0); | |
1884 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_RSSI, &scb_val, | |
1885 | sizeof(struct brcmf_scb_val_le)); | |
1886 | if (err) | |
1887 | WL_ERR("Could not get rssi (%d)\n", err); | |
1888 | ||
1889 | rssi = le32_to_cpu(scb_val.val); | |
1890 | sinfo->filled |= STATION_INFO_SIGNAL; | |
1891 | sinfo->signal = rssi; | |
1892 | WL_CONN("RSSI %d dBm\n", rssi); | |
1893 | } | |
1894 | ||
1895 | done: | |
1896 | WL_TRACE("Exit\n"); | |
1897 | return err; | |
1898 | } | |
1899 | ||
1900 | static s32 | |
1901 | brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, | |
1902 | bool enabled, s32 timeout) | |
1903 | { | |
1904 | s32 pm; | |
1905 | s32 err = 0; | |
1906 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
1907 | ||
1908 | WL_TRACE("Enter\n"); | |
1909 | ||
1910 | /* | |
1911 | * Powersave enable/disable request is coming from the | |
1912 | * cfg80211 even before the interface is up. In that | |
1913 | * scenario, driver will be storing the power save | |
1914 | * preference in cfg_priv struct to apply this to | |
1915 | * FW later while initializing the dongle | |
1916 | */ | |
1917 | cfg_priv->pwr_save = enabled; | |
1918 | if (!test_bit(WL_STATUS_READY, &cfg_priv->status)) { | |
1919 | ||
1920 | WL_INFO("Device is not ready," | |
1921 | "storing the value in cfg_priv struct\n"); | |
1922 | goto done; | |
1923 | } | |
1924 | ||
1925 | pm = enabled ? PM_FAST : PM_OFF; | |
1926 | WL_INFO("power save %s\n", (pm ? "enabled" : "disabled")); | |
1927 | ||
1928 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &pm); | |
1929 | if (err) { | |
1930 | if (err == -ENODEV) | |
1931 | WL_ERR("net_device is not ready yet\n"); | |
1932 | else | |
1933 | WL_ERR("error (%d)\n", err); | |
1934 | } | |
1935 | done: | |
1936 | WL_TRACE("Exit\n"); | |
1937 | return err; | |
1938 | } | |
1939 | ||
1940 | static s32 | |
1941 | brcmf_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *ndev, | |
1942 | const u8 *addr, | |
1943 | const struct cfg80211_bitrate_mask *mask) | |
1944 | { | |
1945 | struct brcm_rateset_le rateset_le; | |
1946 | s32 rate; | |
1947 | s32 val; | |
1948 | s32 err_bg; | |
1949 | s32 err_a; | |
1950 | u32 legacy; | |
1951 | s32 err = 0; | |
1952 | ||
1953 | WL_TRACE("Enter\n"); | |
1954 | if (!check_sys_up(wiphy)) | |
1955 | return -EIO; | |
1956 | ||
1957 | /* addr param is always NULL. ignore it */ | |
1958 | /* Get current rateset */ | |
1959 | err = brcmf_exec_dcmd(ndev, BRCM_GET_CURR_RATESET, &rateset_le, | |
1960 | sizeof(rateset_le)); | |
1961 | if (err) { | |
1962 | WL_ERR("could not get current rateset (%d)\n", err); | |
1963 | goto done; | |
1964 | } | |
1965 | ||
1966 | legacy = ffs(mask->control[IEEE80211_BAND_2GHZ].legacy & 0xFFFF); | |
1967 | if (!legacy) | |
1968 | legacy = ffs(mask->control[IEEE80211_BAND_5GHZ].legacy & | |
1969 | 0xFFFF); | |
1970 | ||
1971 | val = wl_g_rates[legacy - 1].bitrate * 100000; | |
1972 | ||
1973 | if (val < le32_to_cpu(rateset_le.count)) | |
1974 | /* Select rate by rateset index */ | |
1975 | rate = rateset_le.rates[val] & 0x7f; | |
1976 | else | |
1977 | /* Specified rate in bps */ | |
1978 | rate = val / 500000; | |
1979 | ||
1980 | WL_CONN("rate %d mbps\n", rate / 2); | |
1981 | ||
1982 | /* | |
1983 | * | |
1984 | * Set rate override, | |
1985 | * Since the is a/b/g-blind, both a/bg_rate are enforced. | |
1986 | */ | |
1987 | err_bg = brcmf_dev_intvar_set(ndev, "bg_rate", rate); | |
1988 | err_a = brcmf_dev_intvar_set(ndev, "a_rate", rate); | |
1989 | if (err_bg && err_a) { | |
1990 | WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg, err_a); | |
1991 | err = err_bg | err_a; | |
1992 | } | |
1993 | ||
1994 | done: | |
1995 | WL_TRACE("Exit\n"); | |
1996 | return err; | |
1997 | } | |
1998 | ||
1999 | static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_priv *cfg_priv, | |
d34bf64f | 2000 | struct brcmf_bss_info_le *bi) |
5b435de0 AS |
2001 | { |
2002 | struct wiphy *wiphy = cfg_to_wiphy(cfg_priv); | |
2003 | struct ieee80211_channel *notify_channel; | |
2004 | struct cfg80211_bss *bss; | |
2005 | struct ieee80211_supported_band *band; | |
2006 | s32 err = 0; | |
2007 | u16 channel; | |
2008 | u32 freq; | |
2009 | u64 notify_timestamp; | |
2010 | u16 notify_capability; | |
2011 | u16 notify_interval; | |
2012 | u8 *notify_ie; | |
2013 | size_t notify_ielen; | |
2014 | s32 notify_signal; | |
2015 | ||
2016 | if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { | |
2017 | WL_ERR("Bss info is larger than buffer. Discarding\n"); | |
2018 | return 0; | |
2019 | } | |
2020 | ||
2021 | channel = bi->ctl_ch ? bi->ctl_ch : | |
2022 | CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); | |
2023 | ||
2024 | if (channel <= CH_MAX_2G_CHANNEL) | |
2025 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; | |
2026 | else | |
2027 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
2028 | ||
2029 | freq = ieee80211_channel_to_frequency(channel, band->band); | |
2030 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
2031 | ||
2032 | notify_timestamp = jiffies_to_msecs(jiffies)*1000; /* uSec */ | |
2033 | notify_capability = le16_to_cpu(bi->capability); | |
2034 | notify_interval = le16_to_cpu(bi->beacon_period); | |
2035 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); | |
2036 | notify_ielen = le32_to_cpu(bi->ie_length); | |
2037 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; | |
2038 | ||
2039 | WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", | |
2040 | bi->BSSID[0], bi->BSSID[1], bi->BSSID[2], | |
2041 | bi->BSSID[3], bi->BSSID[4], bi->BSSID[5]); | |
2042 | WL_CONN("Channel: %d(%d)\n", channel, freq); | |
2043 | WL_CONN("Capability: %X\n", notify_capability); | |
2044 | WL_CONN("Beacon interval: %d\n", notify_interval); | |
2045 | WL_CONN("Signal: %d\n", notify_signal); | |
2046 | WL_CONN("notify_timestamp: %#018llx\n", notify_timestamp); | |
2047 | ||
2048 | bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID, | |
2049 | notify_timestamp, notify_capability, notify_interval, notify_ie, | |
2050 | notify_ielen, notify_signal, GFP_KERNEL); | |
2051 | ||
2052 | if (!bss) { | |
2053 | WL_ERR("cfg80211_inform_bss_frame error\n"); | |
2054 | return -EINVAL; | |
2055 | } | |
2056 | ||
2057 | return err; | |
2058 | } | |
2059 | ||
2060 | static s32 brcmf_inform_bss(struct brcmf_cfg80211_priv *cfg_priv) | |
2061 | { | |
2062 | struct brcmf_scan_results *bss_list; | |
d34bf64f | 2063 | struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ |
5b435de0 AS |
2064 | s32 err = 0; |
2065 | int i; | |
2066 | ||
2067 | bss_list = cfg_priv->bss_list; | |
2068 | if (bss_list->version != BRCMF_BSS_INFO_VERSION) { | |
2069 | WL_ERR("Version %d != WL_BSS_INFO_VERSION\n", | |
2070 | bss_list->version); | |
2071 | return -EOPNOTSUPP; | |
2072 | } | |
2073 | WL_SCAN("scanned AP count (%d)\n", bss_list->count); | |
2074 | for (i = 0; i < bss_list->count && i < WL_AP_MAX; i++) { | |
2075 | bi = next_bss(bss_list, bi); | |
2076 | err = brcmf_inform_single_bss(cfg_priv, bi); | |
2077 | if (err) | |
2078 | break; | |
2079 | } | |
2080 | return err; | |
2081 | } | |
2082 | ||
2083 | static s32 wl_inform_ibss(struct brcmf_cfg80211_priv *cfg_priv, | |
2084 | struct net_device *ndev, const u8 *bssid) | |
2085 | { | |
2086 | struct wiphy *wiphy = cfg_to_wiphy(cfg_priv); | |
2087 | struct ieee80211_channel *notify_channel; | |
d34bf64f | 2088 | struct brcmf_bss_info_le *bi = NULL; |
5b435de0 AS |
2089 | struct ieee80211_supported_band *band; |
2090 | u8 *buf = NULL; | |
2091 | s32 err = 0; | |
2092 | u16 channel; | |
2093 | u32 freq; | |
2094 | u64 notify_timestamp; | |
2095 | u16 notify_capability; | |
2096 | u16 notify_interval; | |
2097 | u8 *notify_ie; | |
2098 | size_t notify_ielen; | |
2099 | s32 notify_signal; | |
2100 | ||
2101 | WL_TRACE("Enter\n"); | |
2102 | ||
2103 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); | |
2104 | if (buf == NULL) { | |
2105 | err = -ENOMEM; | |
2106 | goto CleanUp; | |
2107 | } | |
2108 | ||
2109 | *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); | |
2110 | ||
2111 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_BSS_INFO, buf, WL_BSS_INFO_MAX); | |
2112 | if (err) { | |
2113 | WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err); | |
2114 | goto CleanUp; | |
2115 | } | |
2116 | ||
d34bf64f | 2117 | bi = (struct brcmf_bss_info_le *)(buf + 4); |
5b435de0 AS |
2118 | |
2119 | channel = bi->ctl_ch ? bi->ctl_ch : | |
2120 | CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); | |
2121 | ||
2122 | if (channel <= CH_MAX_2G_CHANNEL) | |
2123 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; | |
2124 | else | |
2125 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
2126 | ||
2127 | freq = ieee80211_channel_to_frequency(channel, band->band); | |
2128 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
2129 | ||
2130 | notify_timestamp = jiffies_to_msecs(jiffies)*1000; /* uSec */ | |
2131 | notify_capability = le16_to_cpu(bi->capability); | |
2132 | notify_interval = le16_to_cpu(bi->beacon_period); | |
2133 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); | |
2134 | notify_ielen = le32_to_cpu(bi->ie_length); | |
2135 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; | |
2136 | ||
2137 | WL_CONN("channel: %d(%d)\n", channel, freq); | |
2138 | WL_CONN("capability: %X\n", notify_capability); | |
2139 | WL_CONN("beacon interval: %d\n", notify_interval); | |
2140 | WL_CONN("signal: %d\n", notify_signal); | |
2141 | WL_CONN("notify_timestamp: %#018llx\n", notify_timestamp); | |
2142 | ||
2143 | cfg80211_inform_bss(wiphy, notify_channel, bssid, | |
2144 | notify_timestamp, notify_capability, notify_interval, | |
2145 | notify_ie, notify_ielen, notify_signal, GFP_KERNEL); | |
2146 | ||
2147 | CleanUp: | |
2148 | ||
2149 | kfree(buf); | |
2150 | ||
2151 | WL_TRACE("Exit\n"); | |
2152 | ||
2153 | return err; | |
2154 | } | |
2155 | ||
2156 | static bool brcmf_is_ibssmode(struct brcmf_cfg80211_priv *cfg_priv) | |
2157 | { | |
2158 | return cfg_priv->conf->mode == WL_MODE_IBSS; | |
2159 | } | |
2160 | ||
f8e4b412 AB |
2161 | /* |
2162 | * Traverse a string of 1-byte tag/1-byte length/variable-length value | |
2163 | * triples, returning a pointer to the substring whose first element | |
2164 | * matches tag | |
2165 | */ | |
2166 | static struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key) | |
2167 | { | |
2168 | struct brcmf_tlv *elt; | |
2169 | int totlen; | |
2170 | ||
2171 | elt = (struct brcmf_tlv *) buf; | |
2172 | totlen = buflen; | |
2173 | ||
2174 | /* find tagged parameter */ | |
2175 | while (totlen >= 2) { | |
2176 | int len = elt->len; | |
2177 | ||
2178 | /* validate remaining totlen */ | |
2179 | if ((elt->id == key) && (totlen >= (len + 2))) | |
2180 | return elt; | |
2181 | ||
2182 | elt = (struct brcmf_tlv *) ((u8 *) elt + (len + 2)); | |
2183 | totlen -= (len + 2); | |
2184 | } | |
2185 | ||
2186 | return NULL; | |
2187 | } | |
2188 | ||
5b435de0 AS |
2189 | static s32 brcmf_update_bss_info(struct brcmf_cfg80211_priv *cfg_priv) |
2190 | { | |
d34bf64f | 2191 | struct brcmf_bss_info_le *bi; |
5b435de0 | 2192 | struct brcmf_ssid *ssid; |
f8e4b412 | 2193 | struct brcmf_tlv *tim; |
5b435de0 AS |
2194 | u16 beacon_interval; |
2195 | u8 dtim_period; | |
2196 | size_t ie_len; | |
2197 | u8 *ie; | |
2198 | s32 err = 0; | |
2199 | ||
2200 | WL_TRACE("Enter\n"); | |
2201 | if (brcmf_is_ibssmode(cfg_priv)) | |
2202 | return err; | |
2203 | ||
2204 | ssid = (struct brcmf_ssid *)brcmf_read_prof(cfg_priv, WL_PROF_SSID); | |
2205 | ||
2206 | *(__le32 *)cfg_priv->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); | |
2207 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCMF_C_GET_BSS_INFO, | |
2208 | cfg_priv->extra_buf, WL_EXTRA_BUF_MAX); | |
2209 | if (err) { | |
2210 | WL_ERR("Could not get bss info %d\n", err); | |
2211 | goto update_bss_info_out; | |
2212 | } | |
2213 | ||
d34bf64f | 2214 | bi = (struct brcmf_bss_info_le *)(cfg_priv->extra_buf + 4); |
5b435de0 AS |
2215 | err = brcmf_inform_single_bss(cfg_priv, bi); |
2216 | if (err) | |
2217 | goto update_bss_info_out; | |
2218 | ||
2219 | ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); | |
2220 | ie_len = le32_to_cpu(bi->ie_length); | |
2221 | beacon_interval = le16_to_cpu(bi->beacon_period); | |
2222 | ||
f8e4b412 | 2223 | tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM); |
5b435de0 AS |
2224 | if (tim) |
2225 | dtim_period = tim->data[1]; | |
2226 | else { | |
2227 | /* | |
2228 | * active scan was done so we could not get dtim | |
2229 | * information out of probe response. | |
2230 | * so we speficially query dtim information to dongle. | |
2231 | */ | |
2232 | u32 var; | |
2233 | err = brcmf_dev_intvar_get(cfg_to_ndev(cfg_priv), | |
2234 | "dtim_assoc", &var); | |
2235 | if (err) { | |
2236 | WL_ERR("wl dtim_assoc failed (%d)\n", err); | |
2237 | goto update_bss_info_out; | |
2238 | } | |
2239 | dtim_period = (u8)var; | |
2240 | } | |
2241 | ||
2242 | brcmf_update_prof(cfg_priv, NULL, &beacon_interval, WL_PROF_BEACONINT); | |
2243 | brcmf_update_prof(cfg_priv, NULL, &dtim_period, WL_PROF_DTIMPERIOD); | |
2244 | ||
2245 | update_bss_info_out: | |
2246 | WL_TRACE("Exit"); | |
2247 | return err; | |
2248 | } | |
2249 | ||
2250 | static void brcmf_term_iscan(struct brcmf_cfg80211_priv *cfg_priv) | |
2251 | { | |
2252 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv); | |
2253 | struct brcmf_ssid ssid; | |
2254 | ||
2255 | if (cfg_priv->iscan_on) { | |
2256 | iscan->state = WL_ISCAN_STATE_IDLE; | |
2257 | ||
2258 | if (iscan->timer_on) { | |
2259 | del_timer_sync(&iscan->timer); | |
2260 | iscan->timer_on = 0; | |
2261 | } | |
2262 | ||
2263 | cancel_work_sync(&iscan->work); | |
2264 | ||
2265 | /* Abort iscan running in FW */ | |
2266 | memset(&ssid, 0, sizeof(ssid)); | |
2267 | brcmf_run_iscan(iscan, &ssid, WL_SCAN_ACTION_ABORT); | |
2268 | } | |
2269 | } | |
2270 | ||
2271 | static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan, | |
2272 | bool aborted) | |
2273 | { | |
2274 | struct brcmf_cfg80211_priv *cfg_priv = iscan_to_cfg(iscan); | |
2275 | struct net_device *ndev = cfg_to_ndev(cfg_priv); | |
2276 | ||
2277 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg_priv->status)) { | |
2278 | WL_ERR("Scan complete while device not scanning\n"); | |
2279 | return; | |
2280 | } | |
2281 | if (cfg_priv->scan_request) { | |
2282 | WL_SCAN("ISCAN Completed scan: %s\n", | |
2283 | aborted ? "Aborted" : "Done"); | |
2284 | cfg80211_scan_done(cfg_priv->scan_request, aborted); | |
2285 | brcmf_set_mpc(ndev, 1); | |
2286 | cfg_priv->scan_request = NULL; | |
2287 | } | |
2288 | cfg_priv->iscan_kickstart = false; | |
2289 | } | |
2290 | ||
2291 | static s32 brcmf_wakeup_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan) | |
2292 | { | |
2293 | if (iscan->state != WL_ISCAN_STATE_IDLE) { | |
2294 | WL_SCAN("wake up iscan\n"); | |
2295 | schedule_work(&iscan->work); | |
2296 | return 0; | |
2297 | } | |
2298 | ||
2299 | return -EIO; | |
2300 | } | |
2301 | ||
2302 | static s32 | |
2303 | brcmf_get_iscan_results(struct brcmf_cfg80211_iscan_ctrl *iscan, u32 *status, | |
2304 | struct brcmf_scan_results **bss_list) | |
2305 | { | |
2306 | struct brcmf_iscan_results list; | |
2307 | struct brcmf_scan_results *results; | |
2308 | struct brcmf_scan_results_le *results_le; | |
2309 | struct brcmf_iscan_results *list_buf; | |
2310 | s32 err = 0; | |
2311 | ||
2312 | memset(iscan->scan_buf, 0, WL_ISCAN_BUF_MAX); | |
2313 | list_buf = (struct brcmf_iscan_results *)iscan->scan_buf; | |
2314 | results = &list_buf->results; | |
2315 | results_le = &list_buf->results_le; | |
2316 | results->buflen = BRCMF_ISCAN_RESULTS_FIXED_SIZE; | |
2317 | results->version = 0; | |
2318 | results->count = 0; | |
2319 | ||
2320 | memset(&list, 0, sizeof(list)); | |
2321 | list.results_le.buflen = cpu_to_le32(WL_ISCAN_BUF_MAX); | |
2322 | err = brcmf_dev_iovar_getbuf(iscan->ndev, "iscanresults", &list, | |
2323 | BRCMF_ISCAN_RESULTS_FIXED_SIZE, | |
2324 | iscan->scan_buf, WL_ISCAN_BUF_MAX); | |
2325 | if (err) { | |
2326 | WL_ERR("error (%d)\n", err); | |
2327 | return err; | |
2328 | } | |
2329 | results->buflen = le32_to_cpu(results_le->buflen); | |
2330 | results->version = le32_to_cpu(results_le->version); | |
2331 | results->count = le32_to_cpu(results_le->count); | |
2332 | WL_SCAN("results->count = %d\n", results_le->count); | |
2333 | WL_SCAN("results->buflen = %d\n", results_le->buflen); | |
2334 | *status = le32_to_cpu(list_buf->status_le); | |
2335 | WL_SCAN("status = %d\n", *status); | |
2336 | *bss_list = results; | |
2337 | ||
2338 | return err; | |
2339 | } | |
2340 | ||
2341 | static s32 brcmf_iscan_done(struct brcmf_cfg80211_priv *cfg_priv) | |
2342 | { | |
2343 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan; | |
2344 | s32 err = 0; | |
2345 | ||
2346 | iscan->state = WL_ISCAN_STATE_IDLE; | |
2347 | brcmf_inform_bss(cfg_priv); | |
2348 | brcmf_notify_iscan_complete(iscan, false); | |
2349 | ||
2350 | return err; | |
2351 | } | |
2352 | ||
2353 | static s32 brcmf_iscan_pending(struct brcmf_cfg80211_priv *cfg_priv) | |
2354 | { | |
2355 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan; | |
2356 | s32 err = 0; | |
2357 | ||
2358 | /* Reschedule the timer */ | |
2359 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); | |
2360 | iscan->timer_on = 1; | |
2361 | ||
2362 | return err; | |
2363 | } | |
2364 | ||
2365 | static s32 brcmf_iscan_inprogress(struct brcmf_cfg80211_priv *cfg_priv) | |
2366 | { | |
2367 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan; | |
2368 | s32 err = 0; | |
2369 | ||
2370 | brcmf_inform_bss(cfg_priv); | |
2371 | brcmf_run_iscan(iscan, NULL, BRCMF_SCAN_ACTION_CONTINUE); | |
2372 | /* Reschedule the timer */ | |
2373 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); | |
2374 | iscan->timer_on = 1; | |
2375 | ||
2376 | return err; | |
2377 | } | |
2378 | ||
2379 | static s32 brcmf_iscan_aborted(struct brcmf_cfg80211_priv *cfg_priv) | |
2380 | { | |
2381 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan; | |
2382 | s32 err = 0; | |
2383 | ||
2384 | iscan->state = WL_ISCAN_STATE_IDLE; | |
2385 | brcmf_notify_iscan_complete(iscan, true); | |
2386 | ||
2387 | return err; | |
2388 | } | |
2389 | ||
2390 | static void brcmf_cfg80211_iscan_handler(struct work_struct *work) | |
2391 | { | |
2392 | struct brcmf_cfg80211_iscan_ctrl *iscan = | |
2393 | container_of(work, struct brcmf_cfg80211_iscan_ctrl, | |
2394 | work); | |
2395 | struct brcmf_cfg80211_priv *cfg_priv = iscan_to_cfg(iscan); | |
2396 | struct brcmf_cfg80211_iscan_eloop *el = &iscan->el; | |
2397 | u32 status = BRCMF_SCAN_RESULTS_PARTIAL; | |
2398 | ||
2399 | if (iscan->timer_on) { | |
2400 | del_timer_sync(&iscan->timer); | |
2401 | iscan->timer_on = 0; | |
2402 | } | |
2403 | ||
2404 | if (brcmf_get_iscan_results(iscan, &status, &cfg_priv->bss_list)) { | |
2405 | status = BRCMF_SCAN_RESULTS_ABORTED; | |
2406 | WL_ERR("Abort iscan\n"); | |
2407 | } | |
2408 | ||
2409 | el->handler[status](cfg_priv); | |
2410 | } | |
2411 | ||
2412 | static void brcmf_iscan_timer(unsigned long data) | |
2413 | { | |
2414 | struct brcmf_cfg80211_iscan_ctrl *iscan = | |
2415 | (struct brcmf_cfg80211_iscan_ctrl *)data; | |
2416 | ||
2417 | if (iscan) { | |
2418 | iscan->timer_on = 0; | |
2419 | WL_SCAN("timer expired\n"); | |
2420 | brcmf_wakeup_iscan(iscan); | |
2421 | } | |
2422 | } | |
2423 | ||
2424 | static s32 brcmf_invoke_iscan(struct brcmf_cfg80211_priv *cfg_priv) | |
2425 | { | |
2426 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv); | |
2427 | ||
2428 | if (cfg_priv->iscan_on) { | |
2429 | iscan->state = WL_ISCAN_STATE_IDLE; | |
2430 | INIT_WORK(&iscan->work, brcmf_cfg80211_iscan_handler); | |
2431 | } | |
2432 | ||
2433 | return 0; | |
2434 | } | |
2435 | ||
2436 | static void brcmf_init_iscan_eloop(struct brcmf_cfg80211_iscan_eloop *el) | |
2437 | { | |
2438 | memset(el, 0, sizeof(*el)); | |
2439 | el->handler[BRCMF_SCAN_RESULTS_SUCCESS] = brcmf_iscan_done; | |
2440 | el->handler[BRCMF_SCAN_RESULTS_PARTIAL] = brcmf_iscan_inprogress; | |
2441 | el->handler[BRCMF_SCAN_RESULTS_PENDING] = brcmf_iscan_pending; | |
2442 | el->handler[BRCMF_SCAN_RESULTS_ABORTED] = brcmf_iscan_aborted; | |
2443 | el->handler[BRCMF_SCAN_RESULTS_NO_MEM] = brcmf_iscan_aborted; | |
2444 | } | |
2445 | ||
2446 | static s32 brcmf_init_iscan(struct brcmf_cfg80211_priv *cfg_priv) | |
2447 | { | |
2448 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv); | |
2449 | int err = 0; | |
2450 | ||
2451 | if (cfg_priv->iscan_on) { | |
2452 | iscan->ndev = cfg_to_ndev(cfg_priv); | |
2453 | brcmf_init_iscan_eloop(&iscan->el); | |
2454 | iscan->timer_ms = WL_ISCAN_TIMER_INTERVAL_MS; | |
2455 | init_timer(&iscan->timer); | |
2456 | iscan->timer.data = (unsigned long) iscan; | |
2457 | iscan->timer.function = brcmf_iscan_timer; | |
2458 | err = brcmf_invoke_iscan(cfg_priv); | |
2459 | if (!err) | |
2460 | iscan->data = cfg_priv; | |
2461 | } | |
2462 | ||
2463 | return err; | |
2464 | } | |
2465 | ||
2466 | static void brcmf_delay(u32 ms) | |
2467 | { | |
2468 | if (ms < 1000 / HZ) { | |
2469 | cond_resched(); | |
2470 | mdelay(ms); | |
2471 | } else { | |
2472 | msleep(ms); | |
2473 | } | |
2474 | } | |
2475 | ||
2476 | static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) | |
2477 | { | |
2478 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
2479 | ||
2480 | /* | |
2481 | * Check for WL_STATUS_READY before any function call which | |
2482 | * could result is bus access. Don't block the resume for | |
2483 | * any driver error conditions | |
2484 | */ | |
2485 | WL_TRACE("Enter\n"); | |
2486 | ||
2487 | if (test_bit(WL_STATUS_READY, &cfg_priv->status)) | |
2488 | brcmf_invoke_iscan(wiphy_to_cfg(wiphy)); | |
2489 | ||
2490 | WL_TRACE("Exit\n"); | |
2491 | return 0; | |
2492 | } | |
2493 | ||
2494 | static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, | |
2495 | struct cfg80211_wowlan *wow) | |
2496 | { | |
2497 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
2498 | struct net_device *ndev = cfg_to_ndev(cfg_priv); | |
2499 | ||
2500 | WL_TRACE("Enter\n"); | |
2501 | ||
2502 | /* | |
2503 | * Check for WL_STATUS_READY before any function call which | |
2504 | * could result is bus access. Don't block the suspend for | |
2505 | * any driver error conditions | |
2506 | */ | |
2507 | ||
2508 | /* | |
2509 | * While going to suspend if associated with AP disassociate | |
2510 | * from AP to save power while system is in suspended state | |
2511 | */ | |
2512 | if ((test_bit(WL_STATUS_CONNECTED, &cfg_priv->status) || | |
2513 | test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) && | |
2514 | test_bit(WL_STATUS_READY, &cfg_priv->status)) { | |
2515 | WL_INFO("Disassociating from AP" | |
2516 | " while entering suspend state\n"); | |
2517 | brcmf_link_down(cfg_priv); | |
2518 | ||
2519 | /* | |
2520 | * Make sure WPA_Supplicant receives all the event | |
2521 | * generated due to DISASSOC call to the fw to keep | |
2522 | * the state fw and WPA_Supplicant state consistent | |
2523 | */ | |
2524 | brcmf_delay(500); | |
2525 | } | |
2526 | ||
2527 | set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); | |
2528 | if (test_bit(WL_STATUS_READY, &cfg_priv->status)) | |
2529 | brcmf_term_iscan(cfg_priv); | |
2530 | ||
2531 | if (cfg_priv->scan_request) { | |
2532 | /* Indidate scan abort to cfg80211 layer */ | |
2533 | WL_INFO("Terminating scan in progress\n"); | |
2534 | cfg80211_scan_done(cfg_priv->scan_request, true); | |
2535 | cfg_priv->scan_request = NULL; | |
2536 | } | |
2537 | clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); | |
2538 | clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); | |
2539 | ||
2540 | /* Turn off watchdog timer */ | |
2541 | if (test_bit(WL_STATUS_READY, &cfg_priv->status)) { | |
2542 | WL_INFO("Enable MPC\n"); | |
2543 | brcmf_set_mpc(ndev, 1); | |
2544 | } | |
2545 | ||
2546 | WL_TRACE("Exit\n"); | |
2547 | ||
2548 | return 0; | |
2549 | } | |
2550 | ||
2551 | static __used s32 | |
2552 | brcmf_dev_bufvar_set(struct net_device *ndev, s8 *name, s8 *buf, s32 len) | |
2553 | { | |
2554 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
2555 | u32 buflen; | |
2556 | ||
53a2277d | 2557 | buflen = brcmf_c_mkiovar(name, buf, len, cfg_priv->dcmd_buf, |
5b435de0 AS |
2558 | WL_DCMD_LEN_MAX); |
2559 | BUG_ON(!buflen); | |
2560 | ||
2561 | return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, cfg_priv->dcmd_buf, | |
2562 | buflen); | |
2563 | } | |
2564 | ||
2565 | static s32 | |
2566 | brcmf_dev_bufvar_get(struct net_device *ndev, s8 *name, s8 *buf, | |
2567 | s32 buf_len) | |
2568 | { | |
2569 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
2570 | u32 len; | |
2571 | s32 err = 0; | |
2572 | ||
53a2277d | 2573 | len = brcmf_c_mkiovar(name, NULL, 0, cfg_priv->dcmd_buf, |
5b435de0 AS |
2574 | WL_DCMD_LEN_MAX); |
2575 | BUG_ON(!len); | |
2576 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, cfg_priv->dcmd_buf, | |
2577 | WL_DCMD_LEN_MAX); | |
2578 | if (err) { | |
2579 | WL_ERR("error (%d)\n", err); | |
2580 | return err; | |
2581 | } | |
2582 | memcpy(buf, cfg_priv->dcmd_buf, buf_len); | |
2583 | ||
2584 | return err; | |
2585 | } | |
2586 | ||
2587 | static __used s32 | |
2588 | brcmf_update_pmklist(struct net_device *ndev, | |
2589 | struct brcmf_cfg80211_pmk_list *pmk_list, s32 err) | |
2590 | { | |
2591 | int i, j; | |
40c8e95a | 2592 | int pmkid_len; |
5b435de0 | 2593 | |
40c8e95a AS |
2594 | pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid); |
2595 | ||
2596 | WL_CONN("No of elements %d\n", pmkid_len); | |
2597 | for (i = 0; i < pmkid_len; i++) { | |
5b435de0 AS |
2598 | WL_CONN("PMKID[%d]: %pM =\n", i, |
2599 | &pmk_list->pmkids.pmkid[i].BSSID); | |
2600 | for (j = 0; j < WLAN_PMKID_LEN; j++) | |
2601 | WL_CONN("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]); | |
2602 | } | |
2603 | ||
2604 | if (!err) | |
2605 | brcmf_dev_bufvar_set(ndev, "pmkid_info", (char *)pmk_list, | |
2606 | sizeof(*pmk_list)); | |
2607 | ||
2608 | return err; | |
2609 | } | |
2610 | ||
2611 | static s32 | |
2612 | brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, | |
2613 | struct cfg80211_pmksa *pmksa) | |
2614 | { | |
2615 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
2616 | struct pmkid_list *pmkids = &cfg_priv->pmk_list->pmkids; | |
2617 | s32 err = 0; | |
2618 | int i; | |
40c8e95a | 2619 | int pmkid_len; |
5b435de0 AS |
2620 | |
2621 | WL_TRACE("Enter\n"); | |
2622 | if (!check_sys_up(wiphy)) | |
2623 | return -EIO; | |
2624 | ||
40c8e95a AS |
2625 | pmkid_len = le32_to_cpu(pmkids->npmkid); |
2626 | for (i = 0; i < pmkid_len; i++) | |
5b435de0 AS |
2627 | if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN)) |
2628 | break; | |
2629 | if (i < WL_NUM_PMKIDS_MAX) { | |
2630 | memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN); | |
2631 | memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); | |
40c8e95a AS |
2632 | if (i == pmkid_len) { |
2633 | pmkid_len++; | |
2634 | pmkids->npmkid = cpu_to_le32(pmkid_len); | |
2635 | } | |
5b435de0 AS |
2636 | } else |
2637 | err = -EINVAL; | |
2638 | ||
2639 | WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", | |
40c8e95a | 2640 | pmkids->pmkid[pmkid_len].BSSID); |
5b435de0 | 2641 | for (i = 0; i < WLAN_PMKID_LEN; i++) |
40c8e95a | 2642 | WL_CONN("%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]); |
5b435de0 AS |
2643 | |
2644 | err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err); | |
2645 | ||
2646 | WL_TRACE("Exit\n"); | |
2647 | return err; | |
2648 | } | |
2649 | ||
2650 | static s32 | |
2651 | brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, | |
2652 | struct cfg80211_pmksa *pmksa) | |
2653 | { | |
2654 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
2655 | struct pmkid_list pmkid; | |
2656 | s32 err = 0; | |
40c8e95a | 2657 | int i, pmkid_len; |
5b435de0 AS |
2658 | |
2659 | WL_TRACE("Enter\n"); | |
2660 | if (!check_sys_up(wiphy)) | |
2661 | return -EIO; | |
2662 | ||
2663 | memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN); | |
2664 | memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); | |
2665 | ||
2666 | WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", | |
2667 | &pmkid.pmkid[0].BSSID); | |
2668 | for (i = 0; i < WLAN_PMKID_LEN; i++) | |
2669 | WL_CONN("%02x\n", pmkid.pmkid[0].PMKID[i]); | |
2670 | ||
40c8e95a AS |
2671 | pmkid_len = le32_to_cpu(cfg_priv->pmk_list->pmkids.npmkid); |
2672 | for (i = 0; i < pmkid_len; i++) | |
5b435de0 AS |
2673 | if (!memcmp |
2674 | (pmksa->bssid, &cfg_priv->pmk_list->pmkids.pmkid[i].BSSID, | |
2675 | ETH_ALEN)) | |
2676 | break; | |
2677 | ||
40c8e95a AS |
2678 | if ((pmkid_len > 0) |
2679 | && (i < pmkid_len)) { | |
5b435de0 AS |
2680 | memset(&cfg_priv->pmk_list->pmkids.pmkid[i], 0, |
2681 | sizeof(struct pmkid)); | |
40c8e95a | 2682 | for (; i < (pmkid_len - 1); i++) { |
5b435de0 AS |
2683 | memcpy(&cfg_priv->pmk_list->pmkids.pmkid[i].BSSID, |
2684 | &cfg_priv->pmk_list->pmkids.pmkid[i + 1].BSSID, | |
2685 | ETH_ALEN); | |
2686 | memcpy(&cfg_priv->pmk_list->pmkids.pmkid[i].PMKID, | |
2687 | &cfg_priv->pmk_list->pmkids.pmkid[i + 1].PMKID, | |
2688 | WLAN_PMKID_LEN); | |
2689 | } | |
40c8e95a | 2690 | cfg_priv->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1); |
5b435de0 AS |
2691 | } else |
2692 | err = -EINVAL; | |
2693 | ||
2694 | err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err); | |
2695 | ||
2696 | WL_TRACE("Exit\n"); | |
2697 | return err; | |
2698 | ||
2699 | } | |
2700 | ||
2701 | static s32 | |
2702 | brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) | |
2703 | { | |
2704 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); | |
2705 | s32 err = 0; | |
2706 | ||
2707 | WL_TRACE("Enter\n"); | |
2708 | if (!check_sys_up(wiphy)) | |
2709 | return -EIO; | |
2710 | ||
2711 | memset(cfg_priv->pmk_list, 0, sizeof(*cfg_priv->pmk_list)); | |
2712 | err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err); | |
2713 | ||
2714 | WL_TRACE("Exit\n"); | |
2715 | return err; | |
2716 | ||
2717 | } | |
2718 | ||
2719 | static struct cfg80211_ops wl_cfg80211_ops = { | |
2720 | .change_virtual_intf = brcmf_cfg80211_change_iface, | |
2721 | .scan = brcmf_cfg80211_scan, | |
2722 | .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, | |
2723 | .join_ibss = brcmf_cfg80211_join_ibss, | |
2724 | .leave_ibss = brcmf_cfg80211_leave_ibss, | |
2725 | .get_station = brcmf_cfg80211_get_station, | |
2726 | .set_tx_power = brcmf_cfg80211_set_tx_power, | |
2727 | .get_tx_power = brcmf_cfg80211_get_tx_power, | |
2728 | .add_key = brcmf_cfg80211_add_key, | |
2729 | .del_key = brcmf_cfg80211_del_key, | |
2730 | .get_key = brcmf_cfg80211_get_key, | |
2731 | .set_default_key = brcmf_cfg80211_config_default_key, | |
2732 | .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, | |
2733 | .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, | |
2734 | .set_bitrate_mask = brcmf_cfg80211_set_bitrate_mask, | |
2735 | .connect = brcmf_cfg80211_connect, | |
2736 | .disconnect = brcmf_cfg80211_disconnect, | |
2737 | .suspend = brcmf_cfg80211_suspend, | |
2738 | .resume = brcmf_cfg80211_resume, | |
2739 | .set_pmksa = brcmf_cfg80211_set_pmksa, | |
2740 | .del_pmksa = brcmf_cfg80211_del_pmksa, | |
2741 | .flush_pmksa = brcmf_cfg80211_flush_pmksa | |
2742 | }; | |
2743 | ||
2744 | static s32 brcmf_mode_to_nl80211_iftype(s32 mode) | |
2745 | { | |
2746 | s32 err = 0; | |
2747 | ||
2748 | switch (mode) { | |
2749 | case WL_MODE_BSS: | |
2750 | return NL80211_IFTYPE_STATION; | |
2751 | case WL_MODE_IBSS: | |
2752 | return NL80211_IFTYPE_ADHOC; | |
2753 | default: | |
2754 | return NL80211_IFTYPE_UNSPECIFIED; | |
2755 | } | |
2756 | ||
2757 | return err; | |
2758 | } | |
2759 | ||
2760 | static struct wireless_dev *brcmf_alloc_wdev(s32 sizeof_iface, | |
2761 | struct device *ndev) | |
2762 | { | |
2763 | struct wireless_dev *wdev; | |
2764 | s32 err = 0; | |
2765 | ||
2766 | wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); | |
2767 | if (!wdev) | |
2768 | return ERR_PTR(-ENOMEM); | |
2769 | ||
2770 | wdev->wiphy = | |
2771 | wiphy_new(&wl_cfg80211_ops, | |
2772 | sizeof(struct brcmf_cfg80211_priv) + sizeof_iface); | |
2773 | if (!wdev->wiphy) { | |
2774 | WL_ERR("Couldn not allocate wiphy device\n"); | |
2775 | err = -ENOMEM; | |
2776 | goto wiphy_new_out; | |
2777 | } | |
2778 | set_wiphy_dev(wdev->wiphy, ndev); | |
2779 | wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; | |
2780 | wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; | |
2781 | wdev->wiphy->interface_modes = | |
2782 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); | |
2783 | wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; | |
2784 | wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set | |
2785 | * it as 11a by default. | |
2786 | * This will be updated with | |
2787 | * 11n phy tables in | |
2788 | * "ifconfig up" | |
2789 | * if phy has 11n capability | |
2790 | */ | |
2791 | wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
2792 | wdev->wiphy->cipher_suites = __wl_cipher_suites; | |
2793 | wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); | |
2794 | wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power | |
2795 | * save mode | |
2796 | * by default | |
2797 | */ | |
2798 | err = wiphy_register(wdev->wiphy); | |
2799 | if (err < 0) { | |
2800 | WL_ERR("Couldn not register wiphy device (%d)\n", err); | |
2801 | goto wiphy_register_out; | |
2802 | } | |
2803 | return wdev; | |
2804 | ||
2805 | wiphy_register_out: | |
2806 | wiphy_free(wdev->wiphy); | |
2807 | ||
2808 | wiphy_new_out: | |
2809 | kfree(wdev); | |
2810 | ||
2811 | return ERR_PTR(err); | |
2812 | } | |
2813 | ||
2814 | static void brcmf_free_wdev(struct brcmf_cfg80211_priv *cfg_priv) | |
2815 | { | |
2816 | struct wireless_dev *wdev = cfg_priv->wdev; | |
2817 | ||
2818 | if (!wdev) { | |
2819 | WL_ERR("wdev is invalid\n"); | |
2820 | return; | |
2821 | } | |
2822 | wiphy_unregister(wdev->wiphy); | |
2823 | wiphy_free(wdev->wiphy); | |
2824 | kfree(wdev); | |
2825 | cfg_priv->wdev = NULL; | |
2826 | } | |
2827 | ||
2828 | static bool brcmf_is_linkup(struct brcmf_cfg80211_priv *cfg_priv, | |
2829 | const struct brcmf_event_msg *e) | |
2830 | { | |
2831 | u32 event = be32_to_cpu(e->event_type); | |
2832 | u32 status = be32_to_cpu(e->status); | |
2833 | ||
2834 | if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { | |
2835 | WL_CONN("Processing set ssid\n"); | |
2836 | cfg_priv->link_up = true; | |
2837 | return true; | |
2838 | } | |
2839 | ||
2840 | return false; | |
2841 | } | |
2842 | ||
2843 | static bool brcmf_is_linkdown(struct brcmf_cfg80211_priv *cfg_priv, | |
2844 | const struct brcmf_event_msg *e) | |
2845 | { | |
2846 | u32 event = be32_to_cpu(e->event_type); | |
2847 | u16 flags = be16_to_cpu(e->flags); | |
2848 | ||
2849 | if (event == BRCMF_E_LINK && (!(flags & BRCMF_EVENT_MSG_LINK))) { | |
2850 | WL_CONN("Processing link down\n"); | |
2851 | return true; | |
2852 | } | |
2853 | return false; | |
2854 | } | |
2855 | ||
2856 | static bool brcmf_is_nonetwork(struct brcmf_cfg80211_priv *cfg_priv, | |
2857 | const struct brcmf_event_msg *e) | |
2858 | { | |
2859 | u32 event = be32_to_cpu(e->event_type); | |
2860 | u32 status = be32_to_cpu(e->status); | |
2861 | ||
2862 | if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { | |
2863 | WL_CONN("Processing Link %s & no network found\n", | |
2864 | be16_to_cpu(e->flags) & BRCMF_EVENT_MSG_LINK ? | |
2865 | "up" : "down"); | |
2866 | return true; | |
2867 | } | |
2868 | ||
2869 | if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { | |
2870 | WL_CONN("Processing connecting & no network found\n"); | |
2871 | return true; | |
2872 | } | |
2873 | ||
2874 | return false; | |
2875 | } | |
2876 | ||
2877 | static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_priv *cfg_priv) | |
2878 | { | |
2879 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv); | |
2880 | ||
2881 | kfree(conn_info->req_ie); | |
2882 | conn_info->req_ie = NULL; | |
2883 | conn_info->req_ie_len = 0; | |
2884 | kfree(conn_info->resp_ie); | |
2885 | conn_info->resp_ie = NULL; | |
2886 | conn_info->resp_ie_len = 0; | |
2887 | } | |
2888 | ||
2889 | static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_priv *cfg_priv) | |
2890 | { | |
2891 | struct net_device *ndev = cfg_to_ndev(cfg_priv); | |
c4e382d2 | 2892 | struct brcmf_cfg80211_assoc_ielen_le *assoc_info; |
5b435de0 AS |
2893 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv); |
2894 | u32 req_len; | |
2895 | u32 resp_len; | |
2896 | s32 err = 0; | |
2897 | ||
2898 | brcmf_clear_assoc_ies(cfg_priv); | |
2899 | ||
2900 | err = brcmf_dev_bufvar_get(ndev, "assoc_info", cfg_priv->extra_buf, | |
2901 | WL_ASSOC_INFO_MAX); | |
2902 | if (err) { | |
2903 | WL_ERR("could not get assoc info (%d)\n", err); | |
2904 | return err; | |
2905 | } | |
c4e382d2 AS |
2906 | assoc_info = |
2907 | (struct brcmf_cfg80211_assoc_ielen_le *)cfg_priv->extra_buf; | |
2908 | req_len = le32_to_cpu(assoc_info->req_len); | |
2909 | resp_len = le32_to_cpu(assoc_info->resp_len); | |
5b435de0 AS |
2910 | if (req_len) { |
2911 | err = brcmf_dev_bufvar_get(ndev, "assoc_req_ies", | |
2912 | cfg_priv->extra_buf, | |
2913 | WL_ASSOC_INFO_MAX); | |
2914 | if (err) { | |
2915 | WL_ERR("could not get assoc req (%d)\n", err); | |
2916 | return err; | |
2917 | } | |
2918 | conn_info->req_ie_len = req_len; | |
2919 | conn_info->req_ie = | |
2920 | kmemdup(cfg_priv->extra_buf, conn_info->req_ie_len, | |
2921 | GFP_KERNEL); | |
2922 | } else { | |
2923 | conn_info->req_ie_len = 0; | |
2924 | conn_info->req_ie = NULL; | |
2925 | } | |
2926 | if (resp_len) { | |
2927 | err = brcmf_dev_bufvar_get(ndev, "assoc_resp_ies", | |
2928 | cfg_priv->extra_buf, | |
2929 | WL_ASSOC_INFO_MAX); | |
2930 | if (err) { | |
2931 | WL_ERR("could not get assoc resp (%d)\n", err); | |
2932 | return err; | |
2933 | } | |
2934 | conn_info->resp_ie_len = resp_len; | |
2935 | conn_info->resp_ie = | |
2936 | kmemdup(cfg_priv->extra_buf, conn_info->resp_ie_len, | |
2937 | GFP_KERNEL); | |
2938 | } else { | |
2939 | conn_info->resp_ie_len = 0; | |
2940 | conn_info->resp_ie = NULL; | |
2941 | } | |
2942 | WL_CONN("req len (%d) resp len (%d)\n", | |
2943 | conn_info->req_ie_len, conn_info->resp_ie_len); | |
2944 | ||
2945 | return err; | |
2946 | } | |
2947 | ||
2948 | static s32 | |
2949 | brcmf_bss_roaming_done(struct brcmf_cfg80211_priv *cfg_priv, | |
2950 | struct net_device *ndev, | |
2951 | const struct brcmf_event_msg *e) | |
2952 | { | |
2953 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv); | |
2954 | struct wiphy *wiphy = cfg_to_wiphy(cfg_priv); | |
2955 | struct brcmf_channel_info_le channel_le; | |
2956 | struct ieee80211_channel *notify_channel; | |
2957 | struct ieee80211_supported_band *band; | |
2958 | u32 freq; | |
2959 | s32 err = 0; | |
2960 | u32 target_channel; | |
2961 | ||
2962 | WL_TRACE("Enter\n"); | |
2963 | ||
2964 | brcmf_get_assoc_ies(cfg_priv); | |
2965 | brcmf_update_prof(cfg_priv, NULL, &e->addr, WL_PROF_BSSID); | |
2966 | brcmf_update_bss_info(cfg_priv); | |
2967 | ||
2968 | brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_le, | |
2969 | sizeof(channel_le)); | |
2970 | ||
2971 | target_channel = le32_to_cpu(channel_le.target_channel); | |
2972 | WL_CONN("Roamed to channel %d\n", target_channel); | |
2973 | ||
2974 | if (target_channel <= CH_MAX_2G_CHANNEL) | |
2975 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; | |
2976 | else | |
2977 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
2978 | ||
2979 | freq = ieee80211_channel_to_frequency(target_channel, band->band); | |
2980 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
2981 | ||
2982 | cfg80211_roamed(ndev, notify_channel, | |
2983 | (u8 *)brcmf_read_prof(cfg_priv, WL_PROF_BSSID), | |
2984 | conn_info->req_ie, conn_info->req_ie_len, | |
2985 | conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); | |
2986 | WL_CONN("Report roaming result\n"); | |
2987 | ||
2988 | set_bit(WL_STATUS_CONNECTED, &cfg_priv->status); | |
2989 | WL_TRACE("Exit\n"); | |
2990 | return err; | |
2991 | } | |
2992 | ||
2993 | static s32 | |
2994 | brcmf_bss_connect_done(struct brcmf_cfg80211_priv *cfg_priv, | |
2995 | struct net_device *ndev, const struct brcmf_event_msg *e, | |
2996 | bool completed) | |
2997 | { | |
2998 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv); | |
2999 | s32 err = 0; | |
3000 | ||
3001 | WL_TRACE("Enter\n"); | |
3002 | ||
3003 | if (test_and_clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) { | |
3004 | if (completed) { | |
3005 | brcmf_get_assoc_ies(cfg_priv); | |
3006 | brcmf_update_prof(cfg_priv, NULL, &e->addr, | |
3007 | WL_PROF_BSSID); | |
3008 | brcmf_update_bss_info(cfg_priv); | |
3009 | } | |
3010 | cfg80211_connect_result(ndev, | |
3011 | (u8 *)brcmf_read_prof(cfg_priv, | |
3012 | WL_PROF_BSSID), | |
3013 | conn_info->req_ie, | |
3014 | conn_info->req_ie_len, | |
3015 | conn_info->resp_ie, | |
3016 | conn_info->resp_ie_len, | |
3017 | completed ? WLAN_STATUS_SUCCESS : | |
3018 | WLAN_STATUS_AUTH_TIMEOUT, | |
3019 | GFP_KERNEL); | |
3020 | if (completed) | |
3021 | set_bit(WL_STATUS_CONNECTED, &cfg_priv->status); | |
3022 | WL_CONN("Report connect result - connection %s\n", | |
3023 | completed ? "succeeded" : "failed"); | |
3024 | } | |
3025 | WL_TRACE("Exit\n"); | |
3026 | return err; | |
3027 | } | |
3028 | ||
3029 | static s32 | |
3030 | brcmf_notify_connect_status(struct brcmf_cfg80211_priv *cfg_priv, | |
3031 | struct net_device *ndev, | |
3032 | const struct brcmf_event_msg *e, void *data) | |
3033 | { | |
3034 | s32 err = 0; | |
3035 | ||
3036 | if (brcmf_is_linkup(cfg_priv, e)) { | |
3037 | WL_CONN("Linkup\n"); | |
3038 | if (brcmf_is_ibssmode(cfg_priv)) { | |
3039 | brcmf_update_prof(cfg_priv, NULL, (void *)e->addr, | |
3040 | WL_PROF_BSSID); | |
3041 | wl_inform_ibss(cfg_priv, ndev, e->addr); | |
3042 | cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL); | |
3043 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); | |
3044 | set_bit(WL_STATUS_CONNECTED, &cfg_priv->status); | |
3045 | } else | |
3046 | brcmf_bss_connect_done(cfg_priv, ndev, e, true); | |
3047 | } else if (brcmf_is_linkdown(cfg_priv, e)) { | |
3048 | WL_CONN("Linkdown\n"); | |
3049 | if (brcmf_is_ibssmode(cfg_priv)) { | |
3050 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); | |
3051 | if (test_and_clear_bit(WL_STATUS_CONNECTED, | |
3052 | &cfg_priv->status)) | |
3053 | brcmf_link_down(cfg_priv); | |
3054 | } else { | |
3055 | brcmf_bss_connect_done(cfg_priv, ndev, e, false); | |
3056 | if (test_and_clear_bit(WL_STATUS_CONNECTED, | |
3057 | &cfg_priv->status)) { | |
3058 | cfg80211_disconnected(ndev, 0, NULL, 0, | |
3059 | GFP_KERNEL); | |
3060 | brcmf_link_down(cfg_priv); | |
3061 | } | |
3062 | } | |
3063 | brcmf_init_prof(cfg_priv->profile); | |
3064 | } else if (brcmf_is_nonetwork(cfg_priv, e)) { | |
3065 | if (brcmf_is_ibssmode(cfg_priv)) | |
3066 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); | |
3067 | else | |
3068 | brcmf_bss_connect_done(cfg_priv, ndev, e, false); | |
3069 | } | |
3070 | ||
3071 | return err; | |
3072 | } | |
3073 | ||
3074 | static s32 | |
3075 | brcmf_notify_roaming_status(struct brcmf_cfg80211_priv *cfg_priv, | |
3076 | struct net_device *ndev, | |
3077 | const struct brcmf_event_msg *e, void *data) | |
3078 | { | |
3079 | s32 err = 0; | |
3080 | u32 event = be32_to_cpu(e->event_type); | |
3081 | u32 status = be32_to_cpu(e->status); | |
3082 | ||
3083 | if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { | |
3084 | if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status)) | |
3085 | brcmf_bss_roaming_done(cfg_priv, ndev, e); | |
3086 | else | |
3087 | brcmf_bss_connect_done(cfg_priv, ndev, e, true); | |
3088 | } | |
3089 | ||
3090 | return err; | |
3091 | } | |
3092 | ||
3093 | static s32 | |
3094 | brcmf_notify_mic_status(struct brcmf_cfg80211_priv *cfg_priv, | |
3095 | struct net_device *ndev, | |
3096 | const struct brcmf_event_msg *e, void *data) | |
3097 | { | |
3098 | u16 flags = be16_to_cpu(e->flags); | |
3099 | enum nl80211_key_type key_type; | |
3100 | ||
3101 | if (flags & BRCMF_EVENT_MSG_GROUP) | |
3102 | key_type = NL80211_KEYTYPE_GROUP; | |
3103 | else | |
3104 | key_type = NL80211_KEYTYPE_PAIRWISE; | |
3105 | ||
3106 | cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1, | |
3107 | NULL, GFP_KERNEL); | |
3108 | ||
3109 | return 0; | |
3110 | } | |
3111 | ||
3112 | static s32 | |
3113 | brcmf_notify_scan_status(struct brcmf_cfg80211_priv *cfg_priv, | |
3114 | struct net_device *ndev, | |
3115 | const struct brcmf_event_msg *e, void *data) | |
3116 | { | |
3117 | struct brcmf_channel_info_le channel_inform_le; | |
3118 | struct brcmf_scan_results_le *bss_list_le; | |
3119 | u32 len = WL_SCAN_BUF_MAX; | |
3120 | s32 err = 0; | |
3121 | bool scan_abort = false; | |
3122 | u32 scan_channel; | |
3123 | ||
3124 | WL_TRACE("Enter\n"); | |
3125 | ||
3126 | if (cfg_priv->iscan_on && cfg_priv->iscan_kickstart) { | |
3127 | WL_TRACE("Exit\n"); | |
3128 | return brcmf_wakeup_iscan(cfg_to_iscan(cfg_priv)); | |
3129 | } | |
3130 | ||
3131 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg_priv->status)) { | |
3132 | WL_ERR("Scan complete while device not scanning\n"); | |
3133 | scan_abort = true; | |
3134 | err = -EINVAL; | |
3135 | goto scan_done_out; | |
3136 | } | |
3137 | ||
3138 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_inform_le, | |
3139 | sizeof(channel_inform_le)); | |
3140 | if (err) { | |
3141 | WL_ERR("scan busy (%d)\n", err); | |
3142 | scan_abort = true; | |
3143 | goto scan_done_out; | |
3144 | } | |
3145 | scan_channel = le32_to_cpu(channel_inform_le.scan_channel); | |
3146 | if (scan_channel) | |
3147 | WL_CONN("channel_inform.scan_channel (%d)\n", scan_channel); | |
3148 | cfg_priv->bss_list = cfg_priv->scan_results; | |
3149 | bss_list_le = (struct brcmf_scan_results_le *) cfg_priv->bss_list; | |
3150 | ||
3151 | memset(cfg_priv->scan_results, 0, len); | |
3152 | bss_list_le->buflen = cpu_to_le32(len); | |
3153 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN_RESULTS, | |
3154 | cfg_priv->scan_results, len); | |
3155 | if (err) { | |
3156 | WL_ERR("%s Scan_results error (%d)\n", ndev->name, err); | |
3157 | err = -EINVAL; | |
3158 | scan_abort = true; | |
3159 | goto scan_done_out; | |
3160 | } | |
3161 | cfg_priv->scan_results->buflen = le32_to_cpu(bss_list_le->buflen); | |
3162 | cfg_priv->scan_results->version = le32_to_cpu(bss_list_le->version); | |
3163 | cfg_priv->scan_results->count = le32_to_cpu(bss_list_le->count); | |
3164 | ||
3165 | err = brcmf_inform_bss(cfg_priv); | |
3166 | if (err) { | |
3167 | scan_abort = true; | |
3168 | goto scan_done_out; | |
3169 | } | |
3170 | ||
3171 | scan_done_out: | |
3172 | if (cfg_priv->scan_request) { | |
3173 | WL_SCAN("calling cfg80211_scan_done\n"); | |
3174 | cfg80211_scan_done(cfg_priv->scan_request, scan_abort); | |
3175 | brcmf_set_mpc(ndev, 1); | |
3176 | cfg_priv->scan_request = NULL; | |
3177 | } | |
3178 | ||
3179 | WL_TRACE("Exit\n"); | |
3180 | ||
3181 | return err; | |
3182 | } | |
3183 | ||
3184 | static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) | |
3185 | { | |
3186 | conf->mode = (u32)-1; | |
3187 | conf->frag_threshold = (u32)-1; | |
3188 | conf->rts_threshold = (u32)-1; | |
3189 | conf->retry_short = (u32)-1; | |
3190 | conf->retry_long = (u32)-1; | |
3191 | conf->tx_power = -1; | |
3192 | } | |
3193 | ||
3194 | static void brcmf_init_eloop_handler(struct brcmf_cfg80211_event_loop *el) | |
3195 | { | |
3196 | memset(el, 0, sizeof(*el)); | |
3197 | el->handler[BRCMF_E_SCAN_COMPLETE] = brcmf_notify_scan_status; | |
3198 | el->handler[BRCMF_E_LINK] = brcmf_notify_connect_status; | |
3199 | el->handler[BRCMF_E_ROAM] = brcmf_notify_roaming_status; | |
3200 | el->handler[BRCMF_E_MIC_ERROR] = brcmf_notify_mic_status; | |
3201 | el->handler[BRCMF_E_SET_SSID] = brcmf_notify_connect_status; | |
3202 | } | |
3203 | ||
3204 | static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_priv *cfg_priv) | |
3205 | { | |
3206 | kfree(cfg_priv->scan_results); | |
3207 | cfg_priv->scan_results = NULL; | |
3208 | kfree(cfg_priv->bss_info); | |
3209 | cfg_priv->bss_info = NULL; | |
3210 | kfree(cfg_priv->conf); | |
3211 | cfg_priv->conf = NULL; | |
3212 | kfree(cfg_priv->profile); | |
3213 | cfg_priv->profile = NULL; | |
3214 | kfree(cfg_priv->scan_req_int); | |
3215 | cfg_priv->scan_req_int = NULL; | |
3216 | kfree(cfg_priv->dcmd_buf); | |
3217 | cfg_priv->dcmd_buf = NULL; | |
3218 | kfree(cfg_priv->extra_buf); | |
3219 | cfg_priv->extra_buf = NULL; | |
3220 | kfree(cfg_priv->iscan); | |
3221 | cfg_priv->iscan = NULL; | |
3222 | kfree(cfg_priv->pmk_list); | |
3223 | cfg_priv->pmk_list = NULL; | |
3224 | } | |
3225 | ||
3226 | static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_priv *cfg_priv) | |
3227 | { | |
3228 | cfg_priv->scan_results = kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL); | |
3229 | if (!cfg_priv->scan_results) | |
3230 | goto init_priv_mem_out; | |
3231 | cfg_priv->conf = kzalloc(sizeof(*cfg_priv->conf), GFP_KERNEL); | |
3232 | if (!cfg_priv->conf) | |
3233 | goto init_priv_mem_out; | |
3234 | cfg_priv->profile = kzalloc(sizeof(*cfg_priv->profile), GFP_KERNEL); | |
3235 | if (!cfg_priv->profile) | |
3236 | goto init_priv_mem_out; | |
3237 | cfg_priv->bss_info = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); | |
3238 | if (!cfg_priv->bss_info) | |
3239 | goto init_priv_mem_out; | |
3240 | cfg_priv->scan_req_int = kzalloc(sizeof(*cfg_priv->scan_req_int), | |
3241 | GFP_KERNEL); | |
3242 | if (!cfg_priv->scan_req_int) | |
3243 | goto init_priv_mem_out; | |
3244 | cfg_priv->dcmd_buf = kzalloc(WL_DCMD_LEN_MAX, GFP_KERNEL); | |
3245 | if (!cfg_priv->dcmd_buf) | |
3246 | goto init_priv_mem_out; | |
3247 | cfg_priv->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); | |
3248 | if (!cfg_priv->extra_buf) | |
3249 | goto init_priv_mem_out; | |
3250 | cfg_priv->iscan = kzalloc(sizeof(*cfg_priv->iscan), GFP_KERNEL); | |
3251 | if (!cfg_priv->iscan) | |
3252 | goto init_priv_mem_out; | |
3253 | cfg_priv->pmk_list = kzalloc(sizeof(*cfg_priv->pmk_list), GFP_KERNEL); | |
3254 | if (!cfg_priv->pmk_list) | |
3255 | goto init_priv_mem_out; | |
3256 | ||
3257 | return 0; | |
3258 | ||
3259 | init_priv_mem_out: | |
3260 | brcmf_deinit_priv_mem(cfg_priv); | |
3261 | ||
3262 | return -ENOMEM; | |
3263 | } | |
3264 | ||
3265 | /* | |
3266 | * retrieve first queued event from head | |
3267 | */ | |
3268 | ||
3269 | static struct brcmf_cfg80211_event_q *brcmf_deq_event( | |
3270 | struct brcmf_cfg80211_priv *cfg_priv) | |
3271 | { | |
3272 | struct brcmf_cfg80211_event_q *e = NULL; | |
3273 | ||
3274 | spin_lock_irq(&cfg_priv->evt_q_lock); | |
3275 | if (!list_empty(&cfg_priv->evt_q_list)) { | |
3276 | e = list_first_entry(&cfg_priv->evt_q_list, | |
3277 | struct brcmf_cfg80211_event_q, evt_q_list); | |
3278 | list_del(&e->evt_q_list); | |
3279 | } | |
3280 | spin_unlock_irq(&cfg_priv->evt_q_lock); | |
3281 | ||
3282 | return e; | |
3283 | } | |
3284 | ||
3285 | /* | |
3286 | ** push event to tail of the queue | |
3287 | */ | |
3288 | ||
3289 | static s32 | |
3290 | brcmf_enq_event(struct brcmf_cfg80211_priv *cfg_priv, u32 event, | |
3291 | const struct brcmf_event_msg *msg) | |
3292 | { | |
3293 | struct brcmf_cfg80211_event_q *e; | |
3294 | s32 err = 0; | |
3295 | ||
3296 | e = kzalloc(sizeof(struct brcmf_cfg80211_event_q), GFP_KERNEL); | |
3297 | if (!e) | |
3298 | return -ENOMEM; | |
3299 | ||
3300 | e->etype = event; | |
3301 | memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg)); | |
3302 | ||
3303 | spin_lock_irq(&cfg_priv->evt_q_lock); | |
3304 | list_add_tail(&e->evt_q_list, &cfg_priv->evt_q_list); | |
3305 | spin_unlock_irq(&cfg_priv->evt_q_lock); | |
3306 | ||
3307 | return err; | |
3308 | } | |
3309 | ||
3310 | static void brcmf_put_event(struct brcmf_cfg80211_event_q *e) | |
3311 | { | |
3312 | kfree(e); | |
3313 | } | |
3314 | ||
3315 | static void brcmf_cfg80211_event_handler(struct work_struct *work) | |
3316 | { | |
3317 | struct brcmf_cfg80211_priv *cfg_priv = | |
3318 | container_of(work, struct brcmf_cfg80211_priv, | |
3319 | event_work); | |
3320 | struct brcmf_cfg80211_event_q *e; | |
3321 | ||
3322 | e = brcmf_deq_event(cfg_priv); | |
3323 | if (unlikely(!e)) { | |
3324 | WL_ERR("event queue empty...\n"); | |
3325 | return; | |
3326 | } | |
3327 | ||
3328 | do { | |
3329 | WL_INFO("event type (%d)\n", e->etype); | |
3330 | if (cfg_priv->el.handler[e->etype]) | |
3331 | cfg_priv->el.handler[e->etype](cfg_priv, | |
3332 | cfg_to_ndev(cfg_priv), | |
3333 | &e->emsg, e->edata); | |
3334 | else | |
3335 | WL_INFO("Unknown Event (%d): ignoring\n", e->etype); | |
3336 | brcmf_put_event(e); | |
3337 | } while ((e = brcmf_deq_event(cfg_priv))); | |
3338 | ||
3339 | } | |
3340 | ||
3341 | static void brcmf_init_eq(struct brcmf_cfg80211_priv *cfg_priv) | |
3342 | { | |
3343 | spin_lock_init(&cfg_priv->evt_q_lock); | |
3344 | INIT_LIST_HEAD(&cfg_priv->evt_q_list); | |
3345 | } | |
3346 | ||
3347 | static void brcmf_flush_eq(struct brcmf_cfg80211_priv *cfg_priv) | |
3348 | { | |
3349 | struct brcmf_cfg80211_event_q *e; | |
3350 | ||
3351 | spin_lock_irq(&cfg_priv->evt_q_lock); | |
3352 | while (!list_empty(&cfg_priv->evt_q_list)) { | |
3353 | e = list_first_entry(&cfg_priv->evt_q_list, | |
3354 | struct brcmf_cfg80211_event_q, evt_q_list); | |
3355 | list_del(&e->evt_q_list); | |
3356 | kfree(e); | |
3357 | } | |
3358 | spin_unlock_irq(&cfg_priv->evt_q_lock); | |
3359 | } | |
3360 | ||
3361 | static s32 wl_init_priv(struct brcmf_cfg80211_priv *cfg_priv) | |
3362 | { | |
3363 | s32 err = 0; | |
3364 | ||
3365 | cfg_priv->scan_request = NULL; | |
3366 | cfg_priv->pwr_save = true; | |
3367 | cfg_priv->iscan_on = true; /* iscan on & off switch. | |
3368 | we enable iscan per default */ | |
3369 | cfg_priv->roam_on = true; /* roam on & off switch. | |
3370 | we enable roam per default */ | |
3371 | ||
3372 | cfg_priv->iscan_kickstart = false; | |
3373 | cfg_priv->active_scan = true; /* we do active scan for | |
3374 | specific scan per default */ | |
3375 | cfg_priv->dongle_up = false; /* dongle is not up yet */ | |
3376 | brcmf_init_eq(cfg_priv); | |
3377 | err = brcmf_init_priv_mem(cfg_priv); | |
3378 | if (err) | |
3379 | return err; | |
3380 | INIT_WORK(&cfg_priv->event_work, brcmf_cfg80211_event_handler); | |
3381 | brcmf_init_eloop_handler(&cfg_priv->el); | |
3382 | mutex_init(&cfg_priv->usr_sync); | |
3383 | err = brcmf_init_iscan(cfg_priv); | |
3384 | if (err) | |
3385 | return err; | |
3386 | brcmf_init_conf(cfg_priv->conf); | |
3387 | brcmf_init_prof(cfg_priv->profile); | |
3388 | brcmf_link_down(cfg_priv); | |
3389 | ||
3390 | return err; | |
3391 | } | |
3392 | ||
3393 | static void wl_deinit_priv(struct brcmf_cfg80211_priv *cfg_priv) | |
3394 | { | |
3395 | cancel_work_sync(&cfg_priv->event_work); | |
3396 | cfg_priv->dongle_up = false; /* dongle down */ | |
3397 | brcmf_flush_eq(cfg_priv); | |
3398 | brcmf_link_down(cfg_priv); | |
3399 | brcmf_term_iscan(cfg_priv); | |
3400 | brcmf_deinit_priv_mem(cfg_priv); | |
3401 | } | |
3402 | ||
3403 | struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev, | |
3404 | struct device *busdev, | |
3405 | void *data) | |
3406 | { | |
3407 | struct wireless_dev *wdev; | |
3408 | struct brcmf_cfg80211_priv *cfg_priv; | |
3409 | struct brcmf_cfg80211_iface *ci; | |
3410 | struct brcmf_cfg80211_dev *cfg_dev; | |
3411 | s32 err = 0; | |
3412 | ||
3413 | if (!ndev) { | |
3414 | WL_ERR("ndev is invalid\n"); | |
3415 | return NULL; | |
3416 | } | |
3417 | cfg_dev = kzalloc(sizeof(struct brcmf_cfg80211_dev), GFP_KERNEL); | |
3418 | if (!cfg_dev) | |
3419 | return NULL; | |
3420 | ||
3421 | wdev = brcmf_alloc_wdev(sizeof(struct brcmf_cfg80211_iface), busdev); | |
3422 | if (IS_ERR(wdev)) { | |
3423 | kfree(cfg_dev); | |
3424 | return NULL; | |
3425 | } | |
3426 | ||
3427 | wdev->iftype = brcmf_mode_to_nl80211_iftype(WL_MODE_BSS); | |
3428 | cfg_priv = wdev_to_cfg(wdev); | |
3429 | cfg_priv->wdev = wdev; | |
3430 | cfg_priv->pub = data; | |
3431 | ci = (struct brcmf_cfg80211_iface *)&cfg_priv->ci; | |
3432 | ci->cfg_priv = cfg_priv; | |
3433 | ndev->ieee80211_ptr = wdev; | |
3434 | SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); | |
3435 | wdev->netdev = ndev; | |
3436 | err = wl_init_priv(cfg_priv); | |
3437 | if (err) { | |
3438 | WL_ERR("Failed to init iwm_priv (%d)\n", err); | |
3439 | goto cfg80211_attach_out; | |
3440 | } | |
3441 | brcmf_set_drvdata(cfg_dev, ci); | |
3442 | ||
3443 | return cfg_dev; | |
3444 | ||
3445 | cfg80211_attach_out: | |
3446 | brcmf_free_wdev(cfg_priv); | |
3447 | kfree(cfg_dev); | |
3448 | return NULL; | |
3449 | } | |
3450 | ||
3451 | void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev *cfg_dev) | |
3452 | { | |
3453 | struct brcmf_cfg80211_priv *cfg_priv; | |
3454 | ||
3455 | cfg_priv = brcmf_priv_get(cfg_dev); | |
3456 | ||
3457 | wl_deinit_priv(cfg_priv); | |
3458 | brcmf_free_wdev(cfg_priv); | |
3459 | brcmf_set_drvdata(cfg_dev, NULL); | |
3460 | kfree(cfg_dev); | |
3461 | } | |
3462 | ||
3463 | void | |
3464 | brcmf_cfg80211_event(struct net_device *ndev, | |
3465 | const struct brcmf_event_msg *e, void *data) | |
3466 | { | |
3467 | u32 event_type = be32_to_cpu(e->event_type); | |
3468 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); | |
3469 | ||
3470 | if (!brcmf_enq_event(cfg_priv, event_type, e)) | |
3471 | schedule_work(&cfg_priv->event_work); | |
3472 | } | |
3473 | ||
3474 | static s32 brcmf_dongle_mode(struct net_device *ndev, s32 iftype) | |
3475 | { | |
3476 | s32 infra = 0; | |
3477 | s32 err = 0; | |
3478 | ||
3479 | switch (iftype) { | |
3480 | case NL80211_IFTYPE_MONITOR: | |
3481 | case NL80211_IFTYPE_WDS: | |
3482 | WL_ERR("type (%d) : currently we do not support this mode\n", | |
3483 | iftype); | |
3484 | err = -EINVAL; | |
3485 | return err; | |
3486 | case NL80211_IFTYPE_ADHOC: | |
3487 | infra = 0; | |
3488 | break; | |
3489 | case NL80211_IFTYPE_STATION: | |
3490 | infra = 1; | |
3491 | break; | |
3492 | default: | |
3493 | err = -EINVAL; | |
3494 | WL_ERR("invalid type (%d)\n", iftype); | |
3495 | return err; | |
3496 | } | |
3497 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); | |
3498 | if (err) { | |
3499 | WL_ERR("WLC_SET_INFRA error (%d)\n", err); | |
3500 | return err; | |
3501 | } | |
3502 | ||
3503 | return 0; | |
3504 | } | |
3505 | ||
3506 | static s32 brcmf_dongle_eventmsg(struct net_device *ndev) | |
3507 | { | |
3508 | /* Room for "event_msgs" + '\0' + bitvec */ | |
3509 | s8 iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; | |
3510 | s8 eventmask[BRCMF_EVENTING_MASK_LEN]; | |
3511 | s32 err = 0; | |
3512 | ||
3513 | WL_TRACE("Enter\n"); | |
3514 | ||
3515 | /* Setup event_msgs */ | |
53a2277d AB |
3516 | brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, |
3517 | iovbuf, sizeof(iovbuf)); | |
5b435de0 AS |
3518 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, iovbuf, sizeof(iovbuf)); |
3519 | if (err) { | |
3520 | WL_ERR("Get event_msgs error (%d)\n", err); | |
3521 | goto dongle_eventmsg_out; | |
3522 | } | |
3523 | memcpy(eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN); | |
3524 | ||
3525 | setbit(eventmask, BRCMF_E_SET_SSID); | |
3526 | setbit(eventmask, BRCMF_E_ROAM); | |
3527 | setbit(eventmask, BRCMF_E_PRUNE); | |
3528 | setbit(eventmask, BRCMF_E_AUTH); | |
3529 | setbit(eventmask, BRCMF_E_REASSOC); | |
3530 | setbit(eventmask, BRCMF_E_REASSOC_IND); | |
3531 | setbit(eventmask, BRCMF_E_DEAUTH_IND); | |
3532 | setbit(eventmask, BRCMF_E_DISASSOC_IND); | |
3533 | setbit(eventmask, BRCMF_E_DISASSOC); | |
3534 | setbit(eventmask, BRCMF_E_JOIN); | |
3535 | setbit(eventmask, BRCMF_E_ASSOC_IND); | |
3536 | setbit(eventmask, BRCMF_E_PSK_SUP); | |
3537 | setbit(eventmask, BRCMF_E_LINK); | |
3538 | setbit(eventmask, BRCMF_E_NDIS_LINK); | |
3539 | setbit(eventmask, BRCMF_E_MIC_ERROR); | |
3540 | setbit(eventmask, BRCMF_E_PMKID_CACHE); | |
3541 | setbit(eventmask, BRCMF_E_TXFAIL); | |
3542 | setbit(eventmask, BRCMF_E_JOIN_START); | |
3543 | setbit(eventmask, BRCMF_E_SCAN_COMPLETE); | |
3544 | ||
53a2277d AB |
3545 | brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, |
3546 | iovbuf, sizeof(iovbuf)); | |
5b435de0 AS |
3547 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
3548 | if (err) { | |
3549 | WL_ERR("Set event_msgs error (%d)\n", err); | |
3550 | goto dongle_eventmsg_out; | |
3551 | } | |
3552 | ||
3553 | dongle_eventmsg_out: | |
3554 | WL_TRACE("Exit\n"); | |
3555 | return err; | |
3556 | } | |
3557 | ||
3558 | static s32 | |
3559 | brcmf_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout) | |
3560 | { | |
3561 | s8 iovbuf[32]; | |
5b435de0 | 3562 | s32 err = 0; |
f588bc0c AS |
3563 | __le32 roamtrigger[2]; |
3564 | __le32 roam_delta[2]; | |
3565 | __le32 bcn_to_le; | |
3566 | __le32 roamvar_le; | |
5b435de0 AS |
3567 | |
3568 | /* | |
3569 | * Setup timeout if Beacons are lost and roam is | |
3570 | * off to report link down | |
3571 | */ | |
3572 | if (roamvar) { | |
f588bc0c | 3573 | bcn_to_le = cpu_to_le32(bcn_timeout); |
53a2277d | 3574 | brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_to_le, |
f588bc0c | 3575 | sizeof(bcn_to_le), iovbuf, sizeof(iovbuf)); |
5b435de0 AS |
3576 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, |
3577 | iovbuf, sizeof(iovbuf)); | |
3578 | if (err) { | |
3579 | WL_ERR("bcn_timeout error (%d)\n", err); | |
3580 | goto dongle_rom_out; | |
3581 | } | |
3582 | } | |
3583 | ||
3584 | /* | |
3585 | * Enable/Disable built-in roaming to allow supplicant | |
3586 | * to take care of roaming | |
3587 | */ | |
3588 | WL_INFO("Internal Roaming = %s\n", roamvar ? "Off" : "On"); | |
f588bc0c | 3589 | roamvar_le = cpu_to_le32(roamvar); |
53a2277d | 3590 | brcmf_c_mkiovar("roam_off", (char *)&roamvar_le, |
f588bc0c | 3591 | sizeof(roamvar_le), iovbuf, sizeof(iovbuf)); |
5b435de0 AS |
3592 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
3593 | if (err) { | |
3594 | WL_ERR("roam_off error (%d)\n", err); | |
3595 | goto dongle_rom_out; | |
3596 | } | |
3597 | ||
f588bc0c AS |
3598 | roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); |
3599 | roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); | |
5b435de0 AS |
3600 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_TRIGGER, |
3601 | (void *)roamtrigger, sizeof(roamtrigger)); | |
3602 | if (err) { | |
3603 | WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err); | |
3604 | goto dongle_rom_out; | |
3605 | } | |
3606 | ||
f588bc0c AS |
3607 | roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); |
3608 | roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); | |
5b435de0 AS |
3609 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_DELTA, |
3610 | (void *)roam_delta, sizeof(roam_delta)); | |
3611 | if (err) { | |
3612 | WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err); | |
3613 | goto dongle_rom_out; | |
3614 | } | |
3615 | ||
3616 | dongle_rom_out: | |
3617 | return err; | |
3618 | } | |
3619 | ||
3620 | static s32 | |
3621 | brcmf_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time, | |
c68cdc0f | 3622 | s32 scan_unassoc_time, s32 scan_passive_time) |
5b435de0 AS |
3623 | { |
3624 | s32 err = 0; | |
c68cdc0f AS |
3625 | __le32 scan_assoc_tm_le = cpu_to_le32(scan_assoc_time); |
3626 | __le32 scan_unassoc_tm_le = cpu_to_le32(scan_unassoc_time); | |
3627 | __le32 scan_passive_tm_le = cpu_to_le32(scan_passive_time); | |
5b435de0 AS |
3628 | |
3629 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_CHANNEL_TIME, | |
c68cdc0f | 3630 | &scan_assoc_tm_le, sizeof(scan_assoc_tm_le)); |
5b435de0 AS |
3631 | if (err) { |
3632 | if (err == -EOPNOTSUPP) | |
3633 | WL_INFO("Scan assoc time is not supported\n"); | |
3634 | else | |
3635 | WL_ERR("Scan assoc time error (%d)\n", err); | |
3636 | goto dongle_scantime_out; | |
3637 | } | |
3638 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_UNASSOC_TIME, | |
c68cdc0f | 3639 | &scan_unassoc_tm_le, sizeof(scan_unassoc_tm_le)); |
5b435de0 AS |
3640 | if (err) { |
3641 | if (err == -EOPNOTSUPP) | |
3642 | WL_INFO("Scan unassoc time is not supported\n"); | |
3643 | else | |
3644 | WL_ERR("Scan unassoc time error (%d)\n", err); | |
3645 | goto dongle_scantime_out; | |
3646 | } | |
3647 | ||
3648 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_PASSIVE_TIME, | |
c68cdc0f | 3649 | &scan_passive_tm_le, sizeof(scan_passive_tm_le)); |
5b435de0 AS |
3650 | if (err) { |
3651 | if (err == -EOPNOTSUPP) | |
3652 | WL_INFO("Scan passive time is not supported\n"); | |
3653 | else | |
3654 | WL_ERR("Scan passive time error (%d)\n", err); | |
3655 | goto dongle_scantime_out; | |
3656 | } | |
3657 | ||
3658 | dongle_scantime_out: | |
3659 | return err; | |
3660 | } | |
3661 | ||
3662 | static s32 wl_update_wiphybands(struct brcmf_cfg80211_priv *cfg_priv) | |
3663 | { | |
3664 | struct wiphy *wiphy; | |
3665 | s32 phy_list; | |
3666 | s8 phy; | |
3667 | s32 err = 0; | |
3668 | ||
3669 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCM_GET_PHYLIST, | |
3670 | &phy_list, sizeof(phy_list)); | |
3671 | if (err) { | |
3672 | WL_ERR("error (%d)\n", err); | |
3673 | return err; | |
3674 | } | |
3675 | ||
3676 | phy = ((char *)&phy_list)[1]; | |
3677 | WL_INFO("%c phy\n", phy); | |
3678 | if (phy == 'n' || phy == 'a') { | |
3679 | wiphy = cfg_to_wiphy(cfg_priv); | |
3680 | wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n; | |
3681 | } | |
3682 | ||
3683 | return err; | |
3684 | } | |
3685 | ||
3686 | static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_priv *cfg_priv) | |
3687 | { | |
3688 | return wl_update_wiphybands(cfg_priv); | |
3689 | } | |
3690 | ||
3691 | static s32 brcmf_config_dongle(struct brcmf_cfg80211_priv *cfg_priv) | |
3692 | { | |
3693 | struct net_device *ndev; | |
3694 | struct wireless_dev *wdev; | |
3695 | s32 power_mode; | |
3696 | s32 err = 0; | |
3697 | ||
3698 | if (cfg_priv->dongle_up) | |
3699 | return err; | |
3700 | ||
3701 | ndev = cfg_to_ndev(cfg_priv); | |
3702 | wdev = ndev->ieee80211_ptr; | |
3703 | ||
3704 | brcmf_dongle_scantime(ndev, WL_SCAN_CHANNEL_TIME, | |
3705 | WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); | |
3706 | ||
3707 | err = brcmf_dongle_eventmsg(ndev); | |
3708 | if (err) | |
3709 | goto default_conf_out; | |
3710 | ||
3711 | power_mode = cfg_priv->pwr_save ? PM_FAST : PM_OFF; | |
3712 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &power_mode); | |
3713 | if (err) | |
3714 | goto default_conf_out; | |
3715 | WL_INFO("power save set to %s\n", | |
3716 | (power_mode ? "enabled" : "disabled")); | |
3717 | ||
3718 | err = brcmf_dongle_roam(ndev, (cfg_priv->roam_on ? 0 : 1), | |
3719 | WL_BEACON_TIMEOUT); | |
3720 | if (err) | |
3721 | goto default_conf_out; | |
3722 | err = brcmf_dongle_mode(ndev, wdev->iftype); | |
3723 | if (err && err != -EINPROGRESS) | |
3724 | goto default_conf_out; | |
3725 | err = brcmf_dongle_probecap(cfg_priv); | |
3726 | if (err) | |
3727 | goto default_conf_out; | |
3728 | ||
3729 | /* -EINPROGRESS: Call commit handler */ | |
3730 | ||
3731 | default_conf_out: | |
3732 | ||
3733 | cfg_priv->dongle_up = true; | |
3734 | ||
3735 | return err; | |
3736 | ||
3737 | } | |
3738 | ||
3739 | static int brcmf_debugfs_add_netdev_params(struct brcmf_cfg80211_priv *cfg_priv) | |
3740 | { | |
3741 | char buf[10+IFNAMSIZ]; | |
3742 | struct dentry *fd; | |
3743 | s32 err = 0; | |
3744 | ||
3745 | sprintf(buf, "netdev:%s", cfg_to_ndev(cfg_priv)->name); | |
3746 | cfg_priv->debugfsdir = debugfs_create_dir(buf, | |
3747 | cfg_to_wiphy(cfg_priv)->debugfsdir); | |
3748 | ||
3749 | fd = debugfs_create_u16("beacon_int", S_IRUGO, cfg_priv->debugfsdir, | |
3750 | (u16 *)&cfg_priv->profile->beacon_interval); | |
3751 | if (!fd) { | |
3752 | err = -ENOMEM; | |
3753 | goto err_out; | |
3754 | } | |
3755 | ||
3756 | fd = debugfs_create_u8("dtim_period", S_IRUGO, cfg_priv->debugfsdir, | |
3757 | (u8 *)&cfg_priv->profile->dtim_period); | |
3758 | if (!fd) { | |
3759 | err = -ENOMEM; | |
3760 | goto err_out; | |
3761 | } | |
3762 | ||
3763 | err_out: | |
3764 | return err; | |
3765 | } | |
3766 | ||
3767 | static void brcmf_debugfs_remove_netdev(struct brcmf_cfg80211_priv *cfg_priv) | |
3768 | { | |
3769 | debugfs_remove_recursive(cfg_priv->debugfsdir); | |
3770 | cfg_priv->debugfsdir = NULL; | |
3771 | } | |
3772 | ||
3773 | static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_priv *cfg_priv) | |
3774 | { | |
3775 | s32 err = 0; | |
3776 | ||
3777 | set_bit(WL_STATUS_READY, &cfg_priv->status); | |
3778 | ||
3779 | brcmf_debugfs_add_netdev_params(cfg_priv); | |
3780 | ||
3781 | err = brcmf_config_dongle(cfg_priv); | |
3782 | if (err) | |
3783 | return err; | |
3784 | ||
3785 | brcmf_invoke_iscan(cfg_priv); | |
3786 | ||
3787 | return err; | |
3788 | } | |
3789 | ||
3790 | static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_priv *cfg_priv) | |
3791 | { | |
3792 | /* | |
3793 | * While going down, if associated with AP disassociate | |
3794 | * from AP to save power | |
3795 | */ | |
3796 | if ((test_bit(WL_STATUS_CONNECTED, &cfg_priv->status) || | |
3797 | test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) && | |
3798 | test_bit(WL_STATUS_READY, &cfg_priv->status)) { | |
3799 | WL_INFO("Disassociating from AP"); | |
3800 | brcmf_link_down(cfg_priv); | |
3801 | ||
3802 | /* Make sure WPA_Supplicant receives all the event | |
3803 | generated due to DISASSOC call to the fw to keep | |
3804 | the state fw and WPA_Supplicant state consistent | |
3805 | */ | |
3806 | brcmf_delay(500); | |
3807 | } | |
3808 | ||
3809 | set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); | |
3810 | brcmf_term_iscan(cfg_priv); | |
3811 | if (cfg_priv->scan_request) { | |
3812 | cfg80211_scan_done(cfg_priv->scan_request, true); | |
3813 | /* May need to perform this to cover rmmod */ | |
3814 | /* wl_set_mpc(cfg_to_ndev(wl), 1); */ | |
3815 | cfg_priv->scan_request = NULL; | |
3816 | } | |
3817 | clear_bit(WL_STATUS_READY, &cfg_priv->status); | |
3818 | clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); | |
3819 | clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); | |
3820 | ||
3821 | brcmf_debugfs_remove_netdev(cfg_priv); | |
3822 | ||
3823 | return 0; | |
3824 | } | |
3825 | ||
3826 | s32 brcmf_cfg80211_up(struct brcmf_cfg80211_dev *cfg_dev) | |
3827 | { | |
3828 | struct brcmf_cfg80211_priv *cfg_priv; | |
3829 | s32 err = 0; | |
3830 | ||
3831 | cfg_priv = brcmf_priv_get(cfg_dev); | |
3832 | mutex_lock(&cfg_priv->usr_sync); | |
3833 | err = __brcmf_cfg80211_up(cfg_priv); | |
3834 | mutex_unlock(&cfg_priv->usr_sync); | |
3835 | ||
3836 | return err; | |
3837 | } | |
3838 | ||
3839 | s32 brcmf_cfg80211_down(struct brcmf_cfg80211_dev *cfg_dev) | |
3840 | { | |
3841 | struct brcmf_cfg80211_priv *cfg_priv; | |
3842 | s32 err = 0; | |
3843 | ||
3844 | cfg_priv = brcmf_priv_get(cfg_dev); | |
3845 | mutex_lock(&cfg_priv->usr_sync); | |
3846 | err = __brcmf_cfg80211_down(cfg_priv); | |
3847 | mutex_unlock(&cfg_priv->usr_sync); | |
3848 | ||
3849 | return err; | |
3850 | } | |
3851 | ||
3852 | static __used s32 brcmf_add_ie(struct brcmf_cfg80211_priv *cfg_priv, | |
3853 | u8 t, u8 l, u8 *v) | |
3854 | { | |
3855 | struct brcmf_cfg80211_ie *ie = &cfg_priv->ie; | |
3856 | s32 err = 0; | |
3857 | ||
3858 | if (ie->offset + l + 2 > WL_TLV_INFO_MAX) { | |
3859 | WL_ERR("ei crosses buffer boundary\n"); | |
3860 | return -ENOSPC; | |
3861 | } | |
3862 | ie->buf[ie->offset] = t; | |
3863 | ie->buf[ie->offset + 1] = l; | |
3864 | memcpy(&ie->buf[ie->offset + 2], v, l); | |
3865 | ie->offset += l + 2; | |
3866 | ||
3867 | return err; | |
3868 | } |