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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> | |
5b435de0 | 20 | #include <linux/etherdevice.h> |
68ca395f | 21 | #include <linux/module.h> |
1bacb048 | 22 | #include <linux/vmalloc.h> |
5b435de0 | 23 | #include <net/cfg80211.h> |
cbaa177d | 24 | #include <net/netlink.h> |
5b435de0 AS |
25 | |
26 | #include <brcmu_utils.h> | |
27 | #include <defs.h> | |
28 | #include <brcmu_wifi.h> | |
122d3d04 | 29 | #include "core.h" |
a8e8ed34 | 30 | #include "debug.h" |
40c1c249 | 31 | #include "tracepoint.h" |
7a5c1f64 | 32 | #include "fwil_types.h" |
9f440b7b | 33 | #include "p2p.h" |
61730d4d | 34 | #include "btcoex.h" |
bfe81975 | 35 | #include "cfg80211.h" |
c08437b4 | 36 | #include "feature.h" |
81f5dcb8 | 37 | #include "fwil.h" |
8851cce0 | 38 | #include "proto.h" |
1bacb048 | 39 | #include "vendor.h" |
d14f78b9 | 40 | #include "bus.h" |
6b89dcb3 | 41 | #include "common.h" |
5b435de0 | 42 | |
e5806072 AS |
43 | #define BRCMF_SCAN_IE_LEN_MAX 2048 |
44 | #define BRCMF_PNO_VERSION 2 | |
45 | #define BRCMF_PNO_TIME 30 | |
46 | #define BRCMF_PNO_REPEAT 4 | |
47 | #define BRCMF_PNO_FREQ_EXPO_MAX 3 | |
48 | #define BRCMF_PNO_MAX_PFN_COUNT 16 | |
49 | #define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6 | |
50 | #define BRCMF_PNO_HIDDEN_BIT 2 | |
51 | #define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF | |
52 | #define BRCMF_PNO_SCAN_COMPLETE 1 | |
53 | #define BRCMF_PNO_SCAN_INCOMPLETE 0 | |
54 | ||
1a873342 HM |
55 | #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */ |
56 | #define WPA_OUI_TYPE 1 | |
57 | #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */ | |
58 | #define WME_OUI_TYPE 2 | |
89286dc9 | 59 | #define WPS_OUI_TYPE 4 |
1a873342 HM |
60 | |
61 | #define VS_IE_FIXED_HDR_LEN 6 | |
62 | #define WPA_IE_VERSION_LEN 2 | |
63 | #define WPA_IE_MIN_OUI_LEN 4 | |
64 | #define WPA_IE_SUITE_COUNT_LEN 2 | |
65 | ||
66 | #define WPA_CIPHER_NONE 0 /* None */ | |
67 | #define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */ | |
68 | #define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */ | |
69 | #define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */ | |
70 | #define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */ | |
71 | ||
72 | #define RSN_AKM_NONE 0 /* None (IBSS) */ | |
73 | #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */ | |
74 | #define RSN_AKM_PSK 2 /* Pre-shared Key */ | |
75 | #define RSN_CAP_LEN 2 /* Length of RSN capabilities */ | |
76 | #define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C | |
77 | ||
78 | #define VNDR_IE_CMD_LEN 4 /* length of the set command | |
79 | * string :"add", "del" (+ NUL) | |
80 | */ | |
81 | #define VNDR_IE_COUNT_OFFSET 4 | |
82 | #define VNDR_IE_PKTFLAG_OFFSET 8 | |
83 | #define VNDR_IE_VSIE_OFFSET 12 | |
84 | #define VNDR_IE_HDR_SIZE 12 | |
9f440b7b | 85 | #define VNDR_IE_PARSE_LIMIT 5 |
1a873342 HM |
86 | |
87 | #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */ | |
88 | #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */ | |
04012895 | 89 | |
89286dc9 HM |
90 | #define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320 |
91 | #define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400 | |
92 | #define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20 | |
93 | ||
5b435de0 AS |
94 | #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ |
95 | (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) | |
96 | ||
ce81e317 | 97 | static bool check_vif_up(struct brcmf_cfg80211_vif *vif) |
5b435de0 | 98 | { |
c1179033 | 99 | if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) { |
647c9ae0 AS |
100 | brcmf_dbg(INFO, "device is not ready : status (%lu)\n", |
101 | vif->sme_state); | |
5b435de0 AS |
102 | return false; |
103 | } | |
104 | return true; | |
105 | } | |
106 | ||
5b435de0 AS |
107 | #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) |
108 | #define RATETAB_ENT(_rateid, _flags) \ | |
109 | { \ | |
110 | .bitrate = RATE_TO_BASE100KBPS(_rateid), \ | |
111 | .hw_value = (_rateid), \ | |
112 | .flags = (_flags), \ | |
113 | } | |
114 | ||
115 | static struct ieee80211_rate __wl_rates[] = { | |
116 | RATETAB_ENT(BRCM_RATE_1M, 0), | |
117 | RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), | |
118 | RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), | |
119 | RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), | |
120 | RATETAB_ENT(BRCM_RATE_6M, 0), | |
121 | RATETAB_ENT(BRCM_RATE_9M, 0), | |
122 | RATETAB_ENT(BRCM_RATE_12M, 0), | |
123 | RATETAB_ENT(BRCM_RATE_18M, 0), | |
124 | RATETAB_ENT(BRCM_RATE_24M, 0), | |
125 | RATETAB_ENT(BRCM_RATE_36M, 0), | |
126 | RATETAB_ENT(BRCM_RATE_48M, 0), | |
127 | RATETAB_ENT(BRCM_RATE_54M, 0), | |
128 | }; | |
129 | ||
5b435de0 | 130 | #define wl_g_rates (__wl_rates + 0) |
58de92d2 AS |
131 | #define wl_g_rates_size ARRAY_SIZE(__wl_rates) |
132 | #define wl_a_rates (__wl_rates + 4) | |
133 | #define wl_a_rates_size (wl_g_rates_size - 4) | |
134 | ||
135 | #define CHAN2G(_channel, _freq) { \ | |
136 | .band = IEEE80211_BAND_2GHZ, \ | |
137 | .center_freq = (_freq), \ | |
138 | .hw_value = (_channel), \ | |
139 | .flags = IEEE80211_CHAN_DISABLED, \ | |
140 | .max_antenna_gain = 0, \ | |
141 | .max_power = 30, \ | |
142 | } | |
143 | ||
144 | #define CHAN5G(_channel) { \ | |
145 | .band = IEEE80211_BAND_5GHZ, \ | |
146 | .center_freq = 5000 + (5 * (_channel)), \ | |
147 | .hw_value = (_channel), \ | |
148 | .flags = IEEE80211_CHAN_DISABLED, \ | |
149 | .max_antenna_gain = 0, \ | |
150 | .max_power = 30, \ | |
151 | } | |
152 | ||
153 | static struct ieee80211_channel __wl_2ghz_channels[] = { | |
154 | CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427), | |
155 | CHAN2G(5, 2432), CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447), | |
156 | CHAN2G(9, 2452), CHAN2G(10, 2457), CHAN2G(11, 2462), CHAN2G(12, 2467), | |
157 | CHAN2G(13, 2472), CHAN2G(14, 2484) | |
158 | }; | |
159 | ||
160 | static struct ieee80211_channel __wl_5ghz_channels[] = { | |
161 | CHAN5G(34), CHAN5G(36), CHAN5G(38), CHAN5G(40), CHAN5G(42), | |
162 | CHAN5G(44), CHAN5G(46), CHAN5G(48), CHAN5G(52), CHAN5G(56), | |
163 | CHAN5G(60), CHAN5G(64), CHAN5G(100), CHAN5G(104), CHAN5G(108), | |
164 | CHAN5G(112), CHAN5G(116), CHAN5G(120), CHAN5G(124), CHAN5G(128), | |
165 | CHAN5G(132), CHAN5G(136), CHAN5G(140), CHAN5G(144), CHAN5G(149), | |
166 | CHAN5G(153), CHAN5G(157), CHAN5G(161), CHAN5G(165) | |
167 | }; | |
5b435de0 | 168 | |
b48d8916 | 169 | /* Band templates duplicated per wiphy. The channel info |
58de92d2 | 170 | * above is added to the band during setup. |
b48d8916 AS |
171 | */ |
172 | static const struct ieee80211_supported_band __wl_band_2ghz = { | |
5b435de0 | 173 | .band = IEEE80211_BAND_2GHZ, |
5b435de0 AS |
174 | .bitrates = wl_g_rates, |
175 | .n_bitrates = wl_g_rates_size, | |
176 | }; | |
177 | ||
58de92d2 | 178 | static const struct ieee80211_supported_band __wl_band_5ghz = { |
5b435de0 | 179 | .band = IEEE80211_BAND_5GHZ, |
5b435de0 AS |
180 | .bitrates = wl_a_rates, |
181 | .n_bitrates = wl_a_rates_size, | |
182 | }; | |
183 | ||
d48200ba HM |
184 | /* This is to override regulatory domains defined in cfg80211 module (reg.c) |
185 | * By default world regulatory domain defined in reg.c puts the flags | |
8fe02e16 LR |
186 | * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165). |
187 | * With respect to these flags, wpa_supplicant doesn't * start p2p | |
188 | * operations on 5GHz channels. All the changes in world regulatory | |
d48200ba HM |
189 | * domain are to be done here. |
190 | */ | |
191 | static const struct ieee80211_regdomain brcmf_regdom = { | |
192 | .n_reg_rules = 4, | |
193 | .alpha2 = "99", | |
194 | .reg_rules = { | |
195 | /* IEEE 802.11b/g, channels 1..11 */ | |
196 | REG_RULE(2412-10, 2472+10, 40, 6, 20, 0), | |
197 | /* If any */ | |
198 | /* IEEE 802.11 channel 14 - Only JP enables | |
199 | * this and for 802.11b only | |
200 | */ | |
201 | REG_RULE(2484-10, 2484+10, 20, 6, 20, 0), | |
202 | /* IEEE 802.11a, channel 36..64 */ | |
c555ecde | 203 | REG_RULE(5150-10, 5350+10, 80, 6, 20, 0), |
d48200ba | 204 | /* IEEE 802.11a, channel 100..165 */ |
c555ecde | 205 | REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), } |
5b435de0 AS |
206 | }; |
207 | ||
208 | static const u32 __wl_cipher_suites[] = { | |
209 | WLAN_CIPHER_SUITE_WEP40, | |
210 | WLAN_CIPHER_SUITE_WEP104, | |
211 | WLAN_CIPHER_SUITE_TKIP, | |
212 | WLAN_CIPHER_SUITE_CCMP, | |
213 | WLAN_CIPHER_SUITE_AES_CMAC, | |
214 | }; | |
215 | ||
1a873342 HM |
216 | /* Vendor specific ie. id = 221, oui and type defines exact ie */ |
217 | struct brcmf_vs_tlv { | |
218 | u8 id; | |
219 | u8 len; | |
220 | u8 oui[3]; | |
221 | u8 oui_type; | |
222 | }; | |
223 | ||
224 | struct parsed_vndr_ie_info { | |
225 | u8 *ie_ptr; | |
226 | u32 ie_len; /* total length including id & length field */ | |
227 | struct brcmf_vs_tlv vndrie; | |
228 | }; | |
229 | ||
230 | struct parsed_vndr_ies { | |
231 | u32 count; | |
9f440b7b | 232 | struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT]; |
1a873342 HM |
233 | }; |
234 | ||
68ca395f HM |
235 | static int brcmf_roamoff; |
236 | module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR); | |
237 | MODULE_PARM_DESC(roamoff, "do not use internal roaming engine"); | |
238 | ||
ef6ac17a AB |
239 | /* Quarter dBm units to mW |
240 | * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153 | |
241 | * Table is offset so the last entry is largest mW value that fits in | |
242 | * a u16. | |
243 | */ | |
244 | ||
245 | #define QDBM_OFFSET 153 /* Offset for first entry */ | |
246 | #define QDBM_TABLE_LEN 40 /* Table size */ | |
247 | ||
248 | /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET. | |
249 | * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2 | |
250 | */ | |
251 | #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */ | |
252 | ||
253 | /* Largest mW value that will round down to the last table entry, | |
254 | * QDBM_OFFSET + QDBM_TABLE_LEN-1. | |
255 | * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) + | |
256 | * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2. | |
257 | */ | |
258 | #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */ | |
259 | ||
260 | static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = { | |
261 | /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */ | |
262 | /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000, | |
263 | /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849, | |
264 | /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119, | |
265 | /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811, | |
266 | /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096 | |
267 | }; | |
268 | ||
269 | static u16 brcmf_qdbm_to_mw(u8 qdbm) | |
270 | { | |
271 | uint factor = 1; | |
272 | int idx = qdbm - QDBM_OFFSET; | |
273 | ||
274 | if (idx >= QDBM_TABLE_LEN) | |
275 | /* clamp to max u16 mW value */ | |
276 | return 0xFFFF; | |
277 | ||
278 | /* scale the qdBm index up to the range of the table 0-40 | |
279 | * where an offset of 40 qdBm equals a factor of 10 mW. | |
280 | */ | |
281 | while (idx < 0) { | |
282 | idx += 40; | |
283 | factor *= 10; | |
284 | } | |
285 | ||
286 | /* return the mW value scaled down to the correct factor of 10, | |
287 | * adding in factor/2 to get proper rounding. | |
288 | */ | |
289 | return (nqdBm_to_mW_map[idx] + factor / 2) / factor; | |
290 | } | |
291 | ||
292 | static u8 brcmf_mw_to_qdbm(u16 mw) | |
293 | { | |
294 | u8 qdbm; | |
295 | int offset; | |
296 | uint mw_uint = mw; | |
297 | uint boundary; | |
298 | ||
299 | /* handle boundary case */ | |
300 | if (mw_uint <= 1) | |
301 | return 0; | |
302 | ||
303 | offset = QDBM_OFFSET; | |
304 | ||
305 | /* move mw into the range of the table */ | |
306 | while (mw_uint < QDBM_TABLE_LOW_BOUND) { | |
307 | mw_uint *= 10; | |
308 | offset -= 40; | |
309 | } | |
310 | ||
311 | for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) { | |
312 | boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] - | |
313 | nqdBm_to_mW_map[qdbm]) / 2; | |
314 | if (mw_uint < boundary) | |
315 | break; | |
316 | } | |
317 | ||
318 | qdbm += (u8) offset; | |
319 | ||
320 | return qdbm; | |
321 | } | |
322 | ||
5a394eba AS |
323 | static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, |
324 | struct cfg80211_chan_def *ch) | |
600a897d AS |
325 | { |
326 | struct brcmu_chan ch_inf; | |
327 | s32 primary_offset; | |
328 | ||
329 | brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n", | |
330 | ch->chan->center_freq, ch->center_freq1, ch->width); | |
331 | ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1); | |
332 | primary_offset = ch->center_freq1 - ch->chan->center_freq; | |
333 | switch (ch->width) { | |
334 | case NL80211_CHAN_WIDTH_20: | |
0cd75b19 | 335 | case NL80211_CHAN_WIDTH_20_NOHT: |
600a897d AS |
336 | ch_inf.bw = BRCMU_CHAN_BW_20; |
337 | WARN_ON(primary_offset != 0); | |
338 | break; | |
339 | case NL80211_CHAN_WIDTH_40: | |
340 | ch_inf.bw = BRCMU_CHAN_BW_40; | |
341 | if (primary_offset < 0) | |
342 | ch_inf.sb = BRCMU_CHAN_SB_U; | |
343 | else | |
344 | ch_inf.sb = BRCMU_CHAN_SB_L; | |
345 | break; | |
346 | case NL80211_CHAN_WIDTH_80: | |
347 | ch_inf.bw = BRCMU_CHAN_BW_80; | |
348 | if (primary_offset < 0) { | |
349 | if (primary_offset < -CH_10MHZ_APART) | |
350 | ch_inf.sb = BRCMU_CHAN_SB_UU; | |
351 | else | |
352 | ch_inf.sb = BRCMU_CHAN_SB_UL; | |
353 | } else { | |
354 | if (primary_offset > CH_10MHZ_APART) | |
355 | ch_inf.sb = BRCMU_CHAN_SB_LL; | |
356 | else | |
357 | ch_inf.sb = BRCMU_CHAN_SB_LU; | |
358 | } | |
359 | break; | |
0cd75b19 AS |
360 | case NL80211_CHAN_WIDTH_80P80: |
361 | case NL80211_CHAN_WIDTH_160: | |
362 | case NL80211_CHAN_WIDTH_5: | |
363 | case NL80211_CHAN_WIDTH_10: | |
600a897d AS |
364 | default: |
365 | WARN_ON_ONCE(1); | |
366 | } | |
367 | switch (ch->chan->band) { | |
368 | case IEEE80211_BAND_2GHZ: | |
369 | ch_inf.band = BRCMU_CHAN_BAND_2G; | |
370 | break; | |
371 | case IEEE80211_BAND_5GHZ: | |
372 | ch_inf.band = BRCMU_CHAN_BAND_5G; | |
373 | break; | |
0cd75b19 | 374 | case IEEE80211_BAND_60GHZ: |
600a897d AS |
375 | default: |
376 | WARN_ON_ONCE(1); | |
377 | } | |
378 | d11inf->encchspec(&ch_inf); | |
379 | ||
380 | return ch_inf.chspec; | |
381 | } | |
382 | ||
83cf17aa FL |
383 | u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, |
384 | struct ieee80211_channel *ch) | |
6e186166 | 385 | { |
83cf17aa | 386 | struct brcmu_chan ch_inf; |
6e186166 | 387 | |
83cf17aa FL |
388 | ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq); |
389 | ch_inf.bw = BRCMU_CHAN_BW_20; | |
390 | d11inf->encchspec(&ch_inf); | |
6e186166 | 391 | |
83cf17aa | 392 | return ch_inf.chspec; |
6e186166 AS |
393 | } |
394 | ||
89286dc9 HM |
395 | /* Traverse a string of 1-byte tag/1-byte length/variable-length value |
396 | * triples, returning a pointer to the substring whose first element | |
397 | * matches tag | |
398 | */ | |
4b5800fe JB |
399 | const struct brcmf_tlv * |
400 | brcmf_parse_tlvs(const void *buf, int buflen, uint key) | |
89286dc9 | 401 | { |
4b5800fe JB |
402 | const struct brcmf_tlv *elt = buf; |
403 | int totlen = buflen; | |
89286dc9 HM |
404 | |
405 | /* find tagged parameter */ | |
406 | while (totlen >= TLV_HDR_LEN) { | |
407 | int len = elt->len; | |
408 | ||
409 | /* validate remaining totlen */ | |
410 | if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) | |
411 | return elt; | |
412 | ||
413 | elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN)); | |
414 | totlen -= (len + TLV_HDR_LEN); | |
415 | } | |
416 | ||
417 | return NULL; | |
418 | } | |
419 | ||
420 | /* Is any of the tlvs the expected entry? If | |
421 | * not update the tlvs buffer pointer/length. | |
422 | */ | |
423 | static bool | |
4b5800fe JB |
424 | brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, |
425 | const u8 *oui, u32 oui_len, u8 type) | |
89286dc9 HM |
426 | { |
427 | /* If the contents match the OUI and the type */ | |
428 | if (ie[TLV_LEN_OFF] >= oui_len + 1 && | |
429 | !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && | |
430 | type == ie[TLV_BODY_OFF + oui_len]) { | |
431 | return true; | |
432 | } | |
433 | ||
434 | if (tlvs == NULL) | |
435 | return false; | |
436 | /* point to the next ie */ | |
437 | ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; | |
438 | /* calculate the length of the rest of the buffer */ | |
439 | *tlvs_len -= (int)(ie - *tlvs); | |
440 | /* update the pointer to the start of the buffer */ | |
441 | *tlvs = ie; | |
442 | ||
443 | return false; | |
444 | } | |
445 | ||
446 | static struct brcmf_vs_tlv * | |
4b5800fe | 447 | brcmf_find_wpaie(const u8 *parse, u32 len) |
89286dc9 | 448 | { |
4b5800fe | 449 | const struct brcmf_tlv *ie; |
89286dc9 HM |
450 | |
451 | while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { | |
4b5800fe | 452 | if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len, |
89286dc9 HM |
453 | WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) |
454 | return (struct brcmf_vs_tlv *)ie; | |
455 | } | |
456 | return NULL; | |
457 | } | |
458 | ||
459 | static struct brcmf_vs_tlv * | |
4b5800fe | 460 | brcmf_find_wpsie(const u8 *parse, u32 len) |
89286dc9 | 461 | { |
4b5800fe | 462 | const struct brcmf_tlv *ie; |
89286dc9 HM |
463 | |
464 | while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { | |
465 | if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, | |
466 | WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE)) | |
467 | return (struct brcmf_vs_tlv *)ie; | |
468 | } | |
469 | return NULL; | |
470 | } | |
471 | ||
472 | ||
5b435de0 AS |
473 | static void convert_key_from_CPU(struct brcmf_wsec_key *key, |
474 | struct brcmf_wsec_key_le *key_le) | |
475 | { | |
476 | key_le->index = cpu_to_le32(key->index); | |
477 | key_le->len = cpu_to_le32(key->len); | |
478 | key_le->algo = cpu_to_le32(key->algo); | |
479 | key_le->flags = cpu_to_le32(key->flags); | |
480 | key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi); | |
481 | key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo); | |
482 | key_le->iv_initialized = cpu_to_le32(key->iv_initialized); | |
483 | memcpy(key_le->data, key->data, sizeof(key->data)); | |
484 | memcpy(key_le->ea, key->ea, sizeof(key->ea)); | |
485 | } | |
486 | ||
f09d0c02 | 487 | static int |
118eb304 | 488 | send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key) |
5b435de0 AS |
489 | { |
490 | int err; | |
491 | struct brcmf_wsec_key_le key_le; | |
492 | ||
493 | convert_key_from_CPU(key, &key_le); | |
f09d0c02 | 494 | |
118eb304 | 495 | brcmf_netdev_wait_pend8021x(ifp); |
81f5dcb8 | 496 | |
118eb304 | 497 | err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le, |
81f5dcb8 | 498 | sizeof(key_le)); |
f09d0c02 | 499 | |
5b435de0 | 500 | if (err) |
57d6e91a | 501 | brcmf_err("wsec_key error (%d)\n", err); |
5b435de0 AS |
502 | return err; |
503 | } | |
504 | ||
b3657453 HM |
505 | static s32 |
506 | brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable) | |
507 | { | |
508 | s32 err; | |
509 | u32 mode; | |
510 | ||
511 | if (enable) | |
512 | mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY; | |
513 | else | |
514 | mode = 0; | |
515 | ||
516 | /* Try to set and enable ARP offload feature, this may fail, then it */ | |
517 | /* is simply not supported and err 0 will be returned */ | |
518 | err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode); | |
519 | if (err) { | |
520 | brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n", | |
521 | mode, err); | |
522 | err = 0; | |
523 | } else { | |
524 | err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable); | |
525 | if (err) { | |
526 | brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n", | |
527 | enable, err); | |
528 | err = 0; | |
529 | } else | |
530 | brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n", | |
531 | enable, mode); | |
532 | } | |
533 | ||
534 | return err; | |
535 | } | |
536 | ||
8851cce0 HM |
537 | static void |
538 | brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev) | |
539 | { | |
8f2b4597 AS |
540 | struct brcmf_cfg80211_vif *vif; |
541 | struct brcmf_if *ifp; | |
542 | ||
543 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); | |
544 | ifp = vif->ifp; | |
8851cce0 HM |
545 | |
546 | if ((wdev->iftype == NL80211_IFTYPE_ADHOC) || | |
547 | (wdev->iftype == NL80211_IFTYPE_AP) || | |
548 | (wdev->iftype == NL80211_IFTYPE_P2P_GO)) | |
549 | brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, | |
550 | ADDR_DIRECT); | |
551 | else | |
552 | brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, | |
553 | ADDR_INDIRECT); | |
554 | } | |
555 | ||
a44aa400 HM |
556 | static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp) |
557 | { | |
558 | struct brcmf_mbss_ssid_le mbss_ssid_le; | |
559 | int bsscfgidx; | |
560 | int err; | |
561 | ||
562 | memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le)); | |
563 | bsscfgidx = brcmf_get_next_free_bsscfgidx(ifp->drvr); | |
564 | if (bsscfgidx < 0) | |
565 | return bsscfgidx; | |
566 | ||
567 | mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx); | |
568 | mbss_ssid_le.SSID_len = cpu_to_le32(5); | |
569 | sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx); | |
570 | ||
571 | err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le, | |
572 | sizeof(mbss_ssid_le)); | |
573 | if (err < 0) | |
574 | brcmf_err("setting ssid failed %d\n", err); | |
575 | ||
576 | return err; | |
577 | } | |
578 | ||
579 | /** | |
580 | * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS | |
581 | * | |
582 | * @wiphy: wiphy device of new interface. | |
583 | * @name: name of the new interface. | |
584 | * @flags: not used. | |
585 | * @params: contains mac address for AP device. | |
586 | */ | |
587 | static | |
588 | struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name, | |
589 | u32 *flags, struct vif_params *params) | |
590 | { | |
591 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
592 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); | |
593 | struct brcmf_cfg80211_vif *vif; | |
594 | int err; | |
595 | ||
596 | if (brcmf_cfg80211_vif_event_armed(cfg)) | |
597 | return ERR_PTR(-EBUSY); | |
598 | ||
599 | brcmf_dbg(INFO, "Adding vif \"%s\"\n", name); | |
600 | ||
601 | vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false); | |
602 | if (IS_ERR(vif)) | |
603 | return (struct wireless_dev *)vif; | |
604 | ||
605 | brcmf_cfg80211_arm_vif_event(cfg, vif); | |
606 | ||
607 | err = brcmf_cfg80211_request_ap_if(ifp); | |
608 | if (err) { | |
609 | brcmf_cfg80211_arm_vif_event(cfg, NULL); | |
610 | goto fail; | |
611 | } | |
612 | ||
613 | /* wait for firmware event */ | |
614 | err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD, | |
615 | msecs_to_jiffies(1500)); | |
616 | brcmf_cfg80211_arm_vif_event(cfg, NULL); | |
617 | if (!err) { | |
618 | brcmf_err("timeout occurred\n"); | |
619 | err = -EIO; | |
620 | goto fail; | |
621 | } | |
622 | ||
623 | /* interface created in firmware */ | |
624 | ifp = vif->ifp; | |
625 | if (!ifp) { | |
626 | brcmf_err("no if pointer provided\n"); | |
627 | err = -ENOENT; | |
628 | goto fail; | |
629 | } | |
630 | ||
631 | strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1); | |
632 | err = brcmf_net_attach(ifp, true); | |
633 | if (err) { | |
634 | brcmf_err("Registering netdevice failed\n"); | |
635 | goto fail; | |
636 | } | |
637 | ||
638 | return &ifp->vif->wdev; | |
639 | ||
640 | fail: | |
641 | brcmf_free_vif(vif); | |
642 | return ERR_PTR(err); | |
643 | } | |
644 | ||
967fe2c8 AS |
645 | static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif) |
646 | { | |
647 | enum nl80211_iftype iftype; | |
648 | ||
649 | iftype = vif->wdev.iftype; | |
650 | return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO; | |
651 | } | |
652 | ||
653 | static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif) | |
654 | { | |
655 | return vif->wdev.iftype == NL80211_IFTYPE_ADHOC; | |
656 | } | |
657 | ||
9f440b7b AS |
658 | static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, |
659 | const char *name, | |
6bab2e19 | 660 | unsigned char name_assign_type, |
9f440b7b AS |
661 | enum nl80211_iftype type, |
662 | u32 *flags, | |
663 | struct vif_params *params) | |
664 | { | |
8851cce0 HM |
665 | struct wireless_dev *wdev; |
666 | ||
9f440b7b AS |
667 | brcmf_dbg(TRACE, "enter: %s type %d\n", name, type); |
668 | switch (type) { | |
669 | case NL80211_IFTYPE_ADHOC: | |
670 | case NL80211_IFTYPE_STATION: | |
9f440b7b AS |
671 | case NL80211_IFTYPE_AP_VLAN: |
672 | case NL80211_IFTYPE_WDS: | |
673 | case NL80211_IFTYPE_MONITOR: | |
674 | case NL80211_IFTYPE_MESH_POINT: | |
675 | return ERR_PTR(-EOPNOTSUPP); | |
a44aa400 HM |
676 | case NL80211_IFTYPE_AP: |
677 | wdev = brcmf_ap_add_vif(wiphy, name, flags, params); | |
678 | if (!IS_ERR(wdev)) | |
679 | brcmf_cfg80211_update_proto_addr_mode(wdev); | |
680 | return wdev; | |
9f440b7b AS |
681 | case NL80211_IFTYPE_P2P_CLIENT: |
682 | case NL80211_IFTYPE_P2P_GO: | |
27f10e38 | 683 | case NL80211_IFTYPE_P2P_DEVICE: |
6bab2e19 | 684 | wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, flags, params); |
8851cce0 HM |
685 | if (!IS_ERR(wdev)) |
686 | brcmf_cfg80211_update_proto_addr_mode(wdev); | |
687 | return wdev; | |
9f440b7b | 688 | case NL80211_IFTYPE_UNSPECIFIED: |
9f440b7b AS |
689 | default: |
690 | return ERR_PTR(-EINVAL); | |
691 | } | |
692 | } | |
693 | ||
5e787f75 DK |
694 | static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc) |
695 | { | |
c08437b4 | 696 | if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC)) |
5e787f75 DK |
697 | brcmf_set_mpc(ifp, mpc); |
698 | } | |
699 | ||
f96aa07e | 700 | void brcmf_set_mpc(struct brcmf_if *ifp, int mpc) |
5f4f9f11 | 701 | { |
5f4f9f11 AS |
702 | s32 err = 0; |
703 | ||
704 | if (check_vif_up(ifp->vif)) { | |
705 | err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc); | |
706 | if (err) { | |
707 | brcmf_err("fail to set mpc\n"); | |
708 | return; | |
709 | } | |
710 | brcmf_dbg(INFO, "MPC : %d\n", mpc); | |
711 | } | |
712 | } | |
713 | ||
a0f472ac AS |
714 | s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, |
715 | struct brcmf_if *ifp, bool aborted, | |
716 | bool fw_abort) | |
5f4f9f11 AS |
717 | { |
718 | struct brcmf_scan_params_le params_le; | |
719 | struct cfg80211_scan_request *scan_request; | |
720 | s32 err = 0; | |
721 | ||
722 | brcmf_dbg(SCAN, "Enter\n"); | |
723 | ||
724 | /* clear scan request, because the FW abort can cause a second call */ | |
725 | /* to this functon and might cause a double cfg80211_scan_done */ | |
726 | scan_request = cfg->scan_request; | |
727 | cfg->scan_request = NULL; | |
728 | ||
729 | if (timer_pending(&cfg->escan_timeout)) | |
730 | del_timer_sync(&cfg->escan_timeout); | |
731 | ||
732 | if (fw_abort) { | |
733 | /* Do a scan abort to stop the driver's scan engine */ | |
734 | brcmf_dbg(SCAN, "ABORT scan in firmware\n"); | |
735 | memset(¶ms_le, 0, sizeof(params_le)); | |
93803b33 | 736 | eth_broadcast_addr(params_le.bssid); |
5f4f9f11 AS |
737 | params_le.bss_type = DOT11_BSSTYPE_ANY; |
738 | params_le.scan_type = 0; | |
739 | params_le.channel_num = cpu_to_le32(1); | |
740 | params_le.nprobes = cpu_to_le32(1); | |
741 | params_le.active_time = cpu_to_le32(-1); | |
742 | params_le.passive_time = cpu_to_le32(-1); | |
743 | params_le.home_time = cpu_to_le32(-1); | |
744 | /* Scan is aborted by setting channel_list[0] to -1 */ | |
745 | params_le.channel_list[0] = cpu_to_le16(-1); | |
746 | /* E-Scan (or anyother type) can be aborted by SCAN */ | |
f96aa07e | 747 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, |
5f4f9f11 AS |
748 | ¶ms_le, sizeof(params_le)); |
749 | if (err) | |
750 | brcmf_err("Scan abort failed\n"); | |
751 | } | |
0f0fe990 | 752 | |
5e787f75 | 753 | brcmf_scan_config_mpc(ifp, 1); |
0f0fe990 | 754 | |
5f4f9f11 AS |
755 | /* |
756 | * e-scan can be initiated by scheduled scan | |
757 | * which takes precedence. | |
758 | */ | |
759 | if (cfg->sched_escan) { | |
760 | brcmf_dbg(SCAN, "scheduled scan completed\n"); | |
761 | cfg->sched_escan = false; | |
762 | if (!aborted) | |
763 | cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); | |
5f4f9f11 AS |
764 | } else if (scan_request) { |
765 | brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", | |
766 | aborted ? "Aborted" : "Done"); | |
767 | cfg80211_scan_done(scan_request, aborted); | |
5f4f9f11 | 768 | } |
6eda4e2c HM |
769 | if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) |
770 | brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n"); | |
5f4f9f11 AS |
771 | |
772 | return err; | |
773 | } | |
774 | ||
9f440b7b AS |
775 | static |
776 | int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) | |
777 | { | |
5f4f9f11 AS |
778 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
779 | struct net_device *ndev = wdev->netdev; | |
780 | ||
781 | /* vif event pending in firmware */ | |
782 | if (brcmf_cfg80211_vif_event_armed(cfg)) | |
783 | return -EBUSY; | |
784 | ||
785 | if (ndev) { | |
786 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) && | |
a0f472ac AS |
787 | cfg->escan_info.ifp == netdev_priv(ndev)) |
788 | brcmf_notify_escan_complete(cfg, netdev_priv(ndev), | |
789 | true, true); | |
5f4f9f11 AS |
790 | |
791 | brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1); | |
792 | } | |
793 | ||
9f440b7b AS |
794 | switch (wdev->iftype) { |
795 | case NL80211_IFTYPE_ADHOC: | |
796 | case NL80211_IFTYPE_STATION: | |
797 | case NL80211_IFTYPE_AP: | |
798 | case NL80211_IFTYPE_AP_VLAN: | |
799 | case NL80211_IFTYPE_WDS: | |
800 | case NL80211_IFTYPE_MONITOR: | |
801 | case NL80211_IFTYPE_MESH_POINT: | |
802 | return -EOPNOTSUPP; | |
803 | case NL80211_IFTYPE_P2P_CLIENT: | |
804 | case NL80211_IFTYPE_P2P_GO: | |
27f10e38 | 805 | case NL80211_IFTYPE_P2P_DEVICE: |
9f440b7b AS |
806 | return brcmf_p2p_del_vif(wiphy, wdev); |
807 | case NL80211_IFTYPE_UNSPECIFIED: | |
9f440b7b AS |
808 | default: |
809 | return -EINVAL; | |
810 | } | |
811 | return -EOPNOTSUPP; | |
812 | } | |
813 | ||
5b435de0 AS |
814 | static s32 |
815 | brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, | |
816 | enum nl80211_iftype type, u32 *flags, | |
817 | struct vif_params *params) | |
818 | { | |
7a5c1f64 | 819 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
c1179033 | 820 | struct brcmf_if *ifp = netdev_priv(ndev); |
128ce3b6 | 821 | struct brcmf_cfg80211_vif *vif = ifp->vif; |
5b435de0 | 822 | s32 infra = 0; |
1a873342 | 823 | s32 ap = 0; |
5b435de0 AS |
824 | s32 err = 0; |
825 | ||
d96b801f | 826 | brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type); |
5b435de0 AS |
827 | |
828 | switch (type) { | |
829 | case NL80211_IFTYPE_MONITOR: | |
830 | case NL80211_IFTYPE_WDS: | |
57d6e91a AS |
831 | brcmf_err("type (%d) : currently we do not support this type\n", |
832 | type); | |
5b435de0 AS |
833 | return -EOPNOTSUPP; |
834 | case NL80211_IFTYPE_ADHOC: | |
5b435de0 AS |
835 | infra = 0; |
836 | break; | |
837 | case NL80211_IFTYPE_STATION: | |
1bc7c654 HM |
838 | /* Ignore change for p2p IF. Unclear why supplicant does this */ |
839 | if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) || | |
840 | (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) { | |
841 | brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n"); | |
842 | /* WAR: It is unexpected to get a change of VIF for P2P | |
843 | * IF, but it happens. The request can not be handled | |
844 | * but returning EPERM causes a crash. Returning 0 | |
845 | * without setting ieee80211_ptr->iftype causes trace | |
846 | * (WARN_ON) but it works with wpa_supplicant | |
847 | */ | |
848 | return 0; | |
849 | } | |
5b435de0 AS |
850 | infra = 1; |
851 | break; | |
1a873342 | 852 | case NL80211_IFTYPE_AP: |
7a5c1f64 | 853 | case NL80211_IFTYPE_P2P_GO: |
1a873342 HM |
854 | ap = 1; |
855 | break; | |
5b435de0 AS |
856 | default: |
857 | err = -EINVAL; | |
858 | goto done; | |
859 | } | |
860 | ||
1a873342 | 861 | if (ap) { |
7a5c1f64 HM |
862 | if (type == NL80211_IFTYPE_P2P_GO) { |
863 | brcmf_dbg(INFO, "IF Type = P2P GO\n"); | |
864 | err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO); | |
865 | } | |
866 | if (!err) { | |
867 | set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state); | |
868 | brcmf_dbg(INFO, "IF Type = AP\n"); | |
869 | } | |
5b435de0 | 870 | } else { |
128ce3b6 | 871 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra); |
1a873342 | 872 | if (err) { |
57d6e91a | 873 | brcmf_err("WLC_SET_INFRA error (%d)\n", err); |
1a873342 HM |
874 | err = -EAGAIN; |
875 | goto done; | |
876 | } | |
967fe2c8 | 877 | brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ? |
647c9ae0 | 878 | "Adhoc" : "Infra"); |
5b435de0 | 879 | } |
1a873342 | 880 | ndev->ieee80211_ptr->iftype = type; |
5b435de0 | 881 | |
8851cce0 HM |
882 | brcmf_cfg80211_update_proto_addr_mode(&vif->wdev); |
883 | ||
5b435de0 | 884 | done: |
d96b801f | 885 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
886 | |
887 | return err; | |
888 | } | |
889 | ||
83cf17aa FL |
890 | static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg, |
891 | struct brcmf_scan_params_le *params_le, | |
e756af5b HM |
892 | struct cfg80211_scan_request *request) |
893 | { | |
894 | u32 n_ssids; | |
895 | u32 n_channels; | |
896 | s32 i; | |
897 | s32 offset; | |
029591f3 | 898 | u16 chanspec; |
e756af5b | 899 | char *ptr; |
029591f3 | 900 | struct brcmf_ssid_le ssid_le; |
e756af5b | 901 | |
93803b33 | 902 | eth_broadcast_addr(params_le->bssid); |
e756af5b HM |
903 | params_le->bss_type = DOT11_BSSTYPE_ANY; |
904 | params_le->scan_type = 0; | |
905 | params_le->channel_num = 0; | |
906 | params_le->nprobes = cpu_to_le32(-1); | |
907 | params_le->active_time = cpu_to_le32(-1); | |
908 | params_le->passive_time = cpu_to_le32(-1); | |
909 | params_le->home_time = cpu_to_le32(-1); | |
910 | memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le)); | |
911 | ||
912 | /* if request is null exit so it will be all channel broadcast scan */ | |
913 | if (!request) | |
914 | return; | |
915 | ||
916 | n_ssids = request->n_ssids; | |
917 | n_channels = request->n_channels; | |
918 | /* Copy channel array if applicable */ | |
4e8a008e AS |
919 | brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n", |
920 | n_channels); | |
e756af5b HM |
921 | if (n_channels > 0) { |
922 | for (i = 0; i < n_channels; i++) { | |
83cf17aa FL |
923 | chanspec = channel_to_chanspec(&cfg->d11inf, |
924 | request->channels[i]); | |
4e8a008e AS |
925 | brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n", |
926 | request->channels[i]->hw_value, chanspec); | |
029591f3 | 927 | params_le->channel_list[i] = cpu_to_le16(chanspec); |
e756af5b HM |
928 | } |
929 | } else { | |
4e8a008e | 930 | brcmf_dbg(SCAN, "Scanning all channels\n"); |
e756af5b HM |
931 | } |
932 | /* Copy ssid array if applicable */ | |
4e8a008e | 933 | brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids); |
e756af5b HM |
934 | if (n_ssids > 0) { |
935 | offset = offsetof(struct brcmf_scan_params_le, channel_list) + | |
936 | n_channels * sizeof(u16); | |
937 | offset = roundup(offset, sizeof(u32)); | |
938 | ptr = (char *)params_le + offset; | |
939 | for (i = 0; i < n_ssids; i++) { | |
029591f3 AS |
940 | memset(&ssid_le, 0, sizeof(ssid_le)); |
941 | ssid_le.SSID_len = | |
942 | cpu_to_le32(request->ssids[i].ssid_len); | |
943 | memcpy(ssid_le.SSID, request->ssids[i].ssid, | |
944 | request->ssids[i].ssid_len); | |
945 | if (!ssid_le.SSID_len) | |
4e8a008e | 946 | brcmf_dbg(SCAN, "%d: Broadcast scan\n", i); |
e756af5b | 947 | else |
4e8a008e AS |
948 | brcmf_dbg(SCAN, "%d: scan for %s size =%d\n", |
949 | i, ssid_le.SSID, ssid_le.SSID_len); | |
029591f3 AS |
950 | memcpy(ptr, &ssid_le, sizeof(ssid_le)); |
951 | ptr += sizeof(ssid_le); | |
e756af5b HM |
952 | } |
953 | } else { | |
4e8a008e | 954 | brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids); |
e756af5b | 955 | if ((request->ssids) && request->ssids->ssid_len) { |
4e8a008e AS |
956 | brcmf_dbg(SCAN, "SSID %s len=%d\n", |
957 | params_le->ssid_le.SSID, | |
958 | request->ssids->ssid_len); | |
e756af5b HM |
959 | params_le->ssid_le.SSID_len = |
960 | cpu_to_le32(request->ssids->ssid_len); | |
961 | memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid, | |
962 | request->ssids->ssid_len); | |
963 | } | |
964 | } | |
965 | /* Adding mask to channel numbers */ | |
966 | params_le->channel_num = | |
967 | cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) | | |
968 | (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK)); | |
969 | } | |
970 | ||
e756af5b | 971 | static s32 |
a0f472ac | 972 | brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, |
e756af5b HM |
973 | struct cfg80211_scan_request *request, u16 action) |
974 | { | |
975 | s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + | |
976 | offsetof(struct brcmf_escan_params_le, params_le); | |
977 | struct brcmf_escan_params_le *params; | |
978 | s32 err = 0; | |
979 | ||
4e8a008e | 980 | brcmf_dbg(SCAN, "E-SCAN START\n"); |
e756af5b HM |
981 | |
982 | if (request != NULL) { | |
983 | /* Allocate space for populating ssids in struct */ | |
984 | params_size += sizeof(u32) * ((request->n_channels + 1) / 2); | |
985 | ||
986 | /* Allocate space for populating ssids in struct */ | |
987 | params_size += sizeof(struct brcmf_ssid) * request->n_ssids; | |
988 | } | |
989 | ||
990 | params = kzalloc(params_size, GFP_KERNEL); | |
991 | if (!params) { | |
992 | err = -ENOMEM; | |
993 | goto exit; | |
994 | } | |
995 | BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); | |
83cf17aa | 996 | brcmf_escan_prep(cfg, ¶ms->params_le, request); |
e756af5b HM |
997 | params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); |
998 | params->action = cpu_to_le16(action); | |
999 | params->sync_id = cpu_to_le16(0x1234); | |
1000 | ||
a0f472ac | 1001 | err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size); |
e756af5b HM |
1002 | if (err) { |
1003 | if (err == -EBUSY) | |
647c9ae0 | 1004 | brcmf_dbg(INFO, "system busy : escan canceled\n"); |
e756af5b | 1005 | else |
57d6e91a | 1006 | brcmf_err("error (%d)\n", err); |
e756af5b HM |
1007 | } |
1008 | ||
1009 | kfree(params); | |
1010 | exit: | |
1011 | return err; | |
1012 | } | |
1013 | ||
1014 | static s32 | |
27a68fe3 | 1015 | brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, |
a0f472ac | 1016 | struct brcmf_if *ifp, struct cfg80211_scan_request *request) |
e756af5b HM |
1017 | { |
1018 | s32 err; | |
81f5dcb8 | 1019 | u32 passive_scan; |
e756af5b | 1020 | struct brcmf_scan_results *results; |
9f440b7b | 1021 | struct escan_info *escan = &cfg->escan_info; |
e756af5b | 1022 | |
4e8a008e | 1023 | brcmf_dbg(SCAN, "Enter\n"); |
a0f472ac | 1024 | escan->ifp = ifp; |
9f440b7b AS |
1025 | escan->wiphy = wiphy; |
1026 | escan->escan_state = WL_ESCAN_STATE_SCANNING; | |
81f5dcb8 | 1027 | passive_scan = cfg->active_scan ? 0 : 1; |
f96aa07e | 1028 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, |
81f5dcb8 | 1029 | passive_scan); |
e756af5b | 1030 | if (err) { |
57d6e91a | 1031 | brcmf_err("error (%d)\n", err); |
e756af5b HM |
1032 | return err; |
1033 | } | |
5e787f75 | 1034 | brcmf_scan_config_mpc(ifp, 0); |
27a68fe3 | 1035 | results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; |
e756af5b HM |
1036 | results->version = 0; |
1037 | results->count = 0; | |
1038 | results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; | |
1039 | ||
a0f472ac | 1040 | err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START); |
e756af5b | 1041 | if (err) |
5e787f75 | 1042 | brcmf_scan_config_mpc(ifp, 1); |
e756af5b HM |
1043 | return err; |
1044 | } | |
1045 | ||
1046 | static s32 | |
a0f472ac | 1047 | brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif, |
e756af5b HM |
1048 | struct cfg80211_scan_request *request, |
1049 | struct cfg80211_ssid *this_ssid) | |
1050 | { | |
a0f472ac AS |
1051 | struct brcmf_if *ifp = vif->ifp; |
1052 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
e756af5b | 1053 | struct cfg80211_ssid *ssids; |
f0799895 | 1054 | struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int; |
81f5dcb8 | 1055 | u32 passive_scan; |
e756af5b HM |
1056 | bool escan_req; |
1057 | bool spec_scan; | |
1058 | s32 err; | |
1059 | u32 SSID_len; | |
1060 | ||
4e8a008e | 1061 | brcmf_dbg(SCAN, "START ESCAN\n"); |
e756af5b | 1062 | |
c1179033 | 1063 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { |
57d6e91a | 1064 | brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); |
e756af5b HM |
1065 | return -EAGAIN; |
1066 | } | |
c1179033 | 1067 | if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) { |
57d6e91a AS |
1068 | brcmf_err("Scanning being aborted: status (%lu)\n", |
1069 | cfg->scan_status); | |
e756af5b HM |
1070 | return -EAGAIN; |
1071 | } | |
1687eee2 AS |
1072 | if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { |
1073 | brcmf_err("Scanning suppressed: status (%lu)\n", | |
1074 | cfg->scan_status); | |
1075 | return -EAGAIN; | |
1076 | } | |
c1179033 | 1077 | if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) { |
57d6e91a | 1078 | brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state); |
e756af5b HM |
1079 | return -EAGAIN; |
1080 | } | |
1081 | ||
0f8ffe17 | 1082 | /* If scan req comes for p2p0, send it over primary I/F */ |
a0f472ac AS |
1083 | if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) |
1084 | vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; | |
0f8ffe17 | 1085 | |
e756af5b HM |
1086 | escan_req = false; |
1087 | if (request) { | |
1088 | /* scan bss */ | |
1089 | ssids = request->ssids; | |
1090 | escan_req = true; | |
1091 | } else { | |
1092 | /* scan in ibss */ | |
1093 | /* we don't do escan in ibss */ | |
1094 | ssids = this_ssid; | |
1095 | } | |
1096 | ||
27a68fe3 | 1097 | cfg->scan_request = request; |
c1179033 | 1098 | set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
e756af5b | 1099 | if (escan_req) { |
9f440b7b | 1100 | cfg->escan_info.run = brcmf_run_escan; |
a0f472ac | 1101 | err = brcmf_p2p_scan_prep(wiphy, request, vif); |
9f440b7b AS |
1102 | if (err) |
1103 | goto scan_out; | |
1104 | ||
a0f472ac | 1105 | err = brcmf_do_escan(cfg, wiphy, vif->ifp, request); |
2cb941c0 | 1106 | if (err) |
e756af5b HM |
1107 | goto scan_out; |
1108 | } else { | |
4e8a008e AS |
1109 | brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n", |
1110 | ssids->ssid, ssids->ssid_len); | |
e756af5b HM |
1111 | memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); |
1112 | SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); | |
1113 | sr->ssid_le.SSID_len = cpu_to_le32(0); | |
1114 | spec_scan = false; | |
1115 | if (SSID_len) { | |
1116 | memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); | |
1117 | sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); | |
1118 | spec_scan = true; | |
1119 | } else | |
4e8a008e | 1120 | brcmf_dbg(SCAN, "Broadcast scan\n"); |
e756af5b | 1121 | |
81f5dcb8 | 1122 | passive_scan = cfg->active_scan ? 0 : 1; |
c1179033 | 1123 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, |
81f5dcb8 | 1124 | passive_scan); |
e756af5b | 1125 | if (err) { |
57d6e91a | 1126 | brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err); |
e756af5b HM |
1127 | goto scan_out; |
1128 | } | |
5e787f75 | 1129 | brcmf_scan_config_mpc(ifp, 0); |
c1179033 | 1130 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, |
ac24be6f | 1131 | &sr->ssid_le, sizeof(sr->ssid_le)); |
e756af5b HM |
1132 | if (err) { |
1133 | if (err == -EBUSY) | |
647c9ae0 AS |
1134 | brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n", |
1135 | sr->ssid_le.SSID); | |
e756af5b | 1136 | else |
57d6e91a | 1137 | brcmf_err("WLC_SCAN error (%d)\n", err); |
e756af5b | 1138 | |
5e787f75 | 1139 | brcmf_scan_config_mpc(ifp, 1); |
e756af5b HM |
1140 | goto scan_out; |
1141 | } | |
1142 | } | |
1143 | ||
661fa95d HM |
1144 | /* Arm scan timeout timer */ |
1145 | mod_timer(&cfg->escan_timeout, jiffies + | |
1146 | WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); | |
1147 | ||
e756af5b HM |
1148 | return 0; |
1149 | ||
1150 | scan_out: | |
c1179033 | 1151 | clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
27a68fe3 | 1152 | cfg->scan_request = NULL; |
e756af5b HM |
1153 | return err; |
1154 | } | |
1155 | ||
5b435de0 | 1156 | static s32 |
0abb5f21 | 1157 | brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) |
5b435de0 | 1158 | { |
a0f472ac | 1159 | struct brcmf_cfg80211_vif *vif; |
5b435de0 AS |
1160 | s32 err = 0; |
1161 | ||
d96b801f | 1162 | brcmf_dbg(TRACE, "Enter\n"); |
a0f472ac AS |
1163 | vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev); |
1164 | if (!check_vif_up(vif)) | |
5b435de0 AS |
1165 | return -EIO; |
1166 | ||
a0f472ac | 1167 | err = brcmf_cfg80211_escan(wiphy, vif, request, NULL); |
e756af5b | 1168 | |
5b435de0 | 1169 | if (err) |
57d6e91a | 1170 | brcmf_err("scan error (%d)\n", err); |
5b435de0 | 1171 | |
d96b801f | 1172 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
1173 | return err; |
1174 | } | |
1175 | ||
1176 | static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) | |
1177 | { | |
1178 | s32 err = 0; | |
1179 | ||
ac24be6f AS |
1180 | err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh", |
1181 | rts_threshold); | |
5b435de0 | 1182 | if (err) |
57d6e91a | 1183 | brcmf_err("Error (%d)\n", err); |
5b435de0 AS |
1184 | |
1185 | return err; | |
1186 | } | |
1187 | ||
1188 | static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) | |
1189 | { | |
1190 | s32 err = 0; | |
1191 | ||
ac24be6f AS |
1192 | err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh", |
1193 | frag_threshold); | |
5b435de0 | 1194 | if (err) |
57d6e91a | 1195 | brcmf_err("Error (%d)\n", err); |
5b435de0 AS |
1196 | |
1197 | return err; | |
1198 | } | |
1199 | ||
1200 | static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) | |
1201 | { | |
1202 | s32 err = 0; | |
b87e2c48 | 1203 | u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL); |
5b435de0 | 1204 | |
ac24be6f | 1205 | err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry); |
5b435de0 | 1206 | if (err) { |
57d6e91a | 1207 | brcmf_err("cmd (%d) , error (%d)\n", cmd, err); |
5b435de0 AS |
1208 | return err; |
1209 | } | |
1210 | return err; | |
1211 | } | |
1212 | ||
1213 | static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
1214 | { | |
27a68fe3 AS |
1215 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
1216 | struct net_device *ndev = cfg_to_ndev(cfg); | |
0abb5f21 | 1217 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 AS |
1218 | s32 err = 0; |
1219 | ||
d96b801f | 1220 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 1221 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
1222 | return -EIO; |
1223 | ||
1224 | if (changed & WIPHY_PARAM_RTS_THRESHOLD && | |
27a68fe3 AS |
1225 | (cfg->conf->rts_threshold != wiphy->rts_threshold)) { |
1226 | cfg->conf->rts_threshold = wiphy->rts_threshold; | |
1227 | err = brcmf_set_rts(ndev, cfg->conf->rts_threshold); | |
5b435de0 AS |
1228 | if (!err) |
1229 | goto done; | |
1230 | } | |
1231 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD && | |
27a68fe3 AS |
1232 | (cfg->conf->frag_threshold != wiphy->frag_threshold)) { |
1233 | cfg->conf->frag_threshold = wiphy->frag_threshold; | |
1234 | err = brcmf_set_frag(ndev, cfg->conf->frag_threshold); | |
5b435de0 AS |
1235 | if (!err) |
1236 | goto done; | |
1237 | } | |
1238 | if (changed & WIPHY_PARAM_RETRY_LONG | |
27a68fe3 AS |
1239 | && (cfg->conf->retry_long != wiphy->retry_long)) { |
1240 | cfg->conf->retry_long = wiphy->retry_long; | |
1241 | err = brcmf_set_retry(ndev, cfg->conf->retry_long, true); | |
5b435de0 AS |
1242 | if (!err) |
1243 | goto done; | |
1244 | } | |
1245 | if (changed & WIPHY_PARAM_RETRY_SHORT | |
27a68fe3 AS |
1246 | && (cfg->conf->retry_short != wiphy->retry_short)) { |
1247 | cfg->conf->retry_short = wiphy->retry_short; | |
1248 | err = brcmf_set_retry(ndev, cfg->conf->retry_short, false); | |
5b435de0 AS |
1249 | if (!err) |
1250 | goto done; | |
1251 | } | |
1252 | ||
1253 | done: | |
d96b801f | 1254 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
1255 | return err; |
1256 | } | |
1257 | ||
5b435de0 AS |
1258 | static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) |
1259 | { | |
1260 | memset(prof, 0, sizeof(*prof)); | |
1261 | } | |
1262 | ||
9b7a0ddc AS |
1263 | static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e) |
1264 | { | |
1265 | u16 reason; | |
1266 | ||
1267 | switch (e->event_code) { | |
1268 | case BRCMF_E_DEAUTH: | |
1269 | case BRCMF_E_DEAUTH_IND: | |
1270 | case BRCMF_E_DISASSOC_IND: | |
1271 | reason = e->reason; | |
1272 | break; | |
1273 | case BRCMF_E_LINK: | |
1274 | default: | |
1275 | reason = 0; | |
1276 | break; | |
1277 | } | |
1278 | return reason; | |
1279 | } | |
1280 | ||
1281 | static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason) | |
5b435de0 | 1282 | { |
61730d4d | 1283 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy); |
5b435de0 AS |
1284 | s32 err = 0; |
1285 | ||
d96b801f | 1286 | brcmf_dbg(TRACE, "Enter\n"); |
5b435de0 | 1287 | |
903e0eee | 1288 | if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) { |
647c9ae0 | 1289 | brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n "); |
903e0eee | 1290 | err = brcmf_fil_cmd_data_set(vif->ifp, |
ac24be6f | 1291 | BRCMF_C_DISASSOC, NULL, 0); |
a538ae31 | 1292 | if (err) { |
57d6e91a | 1293 | brcmf_err("WLC_DISASSOC failed (%d)\n", err); |
a538ae31 | 1294 | } |
903e0eee | 1295 | clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state); |
9b7a0ddc | 1296 | cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0, |
80279fb7 | 1297 | true, GFP_KERNEL); |
43dffbc6 | 1298 | |
5b435de0 | 1299 | } |
903e0eee | 1300 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); |
61730d4d PH |
1301 | clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); |
1302 | brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); | |
d96b801f | 1303 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
1304 | } |
1305 | ||
1306 | static s32 | |
1307 | brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, | |
1308 | struct cfg80211_ibss_params *params) | |
1309 | { | |
27a68fe3 | 1310 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
0abb5f21 AS |
1311 | struct brcmf_if *ifp = netdev_priv(ndev); |
1312 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
5b435de0 AS |
1313 | struct brcmf_join_params join_params; |
1314 | size_t join_params_size = 0; | |
1315 | s32 err = 0; | |
1316 | s32 wsec = 0; | |
1317 | s32 bcnprd; | |
1701261d | 1318 | u16 chanspec; |
5b435de0 | 1319 | |
d96b801f | 1320 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 1321 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
1322 | return -EIO; |
1323 | ||
1324 | if (params->ssid) | |
16886735 | 1325 | brcmf_dbg(CONN, "SSID: %s\n", params->ssid); |
5b435de0 | 1326 | else { |
16886735 | 1327 | brcmf_dbg(CONN, "SSID: NULL, Not supported\n"); |
5b435de0 AS |
1328 | return -EOPNOTSUPP; |
1329 | } | |
1330 | ||
c1179033 | 1331 | set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
5b435de0 AS |
1332 | |
1333 | if (params->bssid) | |
16886735 | 1334 | brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid); |
5b435de0 | 1335 | else |
16886735 | 1336 | brcmf_dbg(CONN, "No BSSID specified\n"); |
5b435de0 | 1337 | |
683b6d3b | 1338 | if (params->chandef.chan) |
16886735 AS |
1339 | brcmf_dbg(CONN, "channel: %d\n", |
1340 | params->chandef.chan->center_freq); | |
5b435de0 | 1341 | else |
16886735 | 1342 | brcmf_dbg(CONN, "no channel specified\n"); |
5b435de0 AS |
1343 | |
1344 | if (params->channel_fixed) | |
16886735 | 1345 | brcmf_dbg(CONN, "fixed channel required\n"); |
5b435de0 | 1346 | else |
16886735 | 1347 | brcmf_dbg(CONN, "no fixed channel required\n"); |
5b435de0 AS |
1348 | |
1349 | if (params->ie && params->ie_len) | |
16886735 | 1350 | brcmf_dbg(CONN, "ie len: %d\n", params->ie_len); |
5b435de0 | 1351 | else |
16886735 | 1352 | brcmf_dbg(CONN, "no ie specified\n"); |
5b435de0 AS |
1353 | |
1354 | if (params->beacon_interval) | |
16886735 AS |
1355 | brcmf_dbg(CONN, "beacon interval: %d\n", |
1356 | params->beacon_interval); | |
5b435de0 | 1357 | else |
16886735 | 1358 | brcmf_dbg(CONN, "no beacon interval specified\n"); |
5b435de0 AS |
1359 | |
1360 | if (params->basic_rates) | |
16886735 | 1361 | brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates); |
5b435de0 | 1362 | else |
16886735 | 1363 | brcmf_dbg(CONN, "no basic rates specified\n"); |
5b435de0 AS |
1364 | |
1365 | if (params->privacy) | |
16886735 | 1366 | brcmf_dbg(CONN, "privacy required\n"); |
5b435de0 | 1367 | else |
16886735 | 1368 | brcmf_dbg(CONN, "no privacy required\n"); |
5b435de0 AS |
1369 | |
1370 | /* Configure Privacy for starter */ | |
1371 | if (params->privacy) | |
1372 | wsec |= WEP_ENABLED; | |
1373 | ||
c1179033 | 1374 | err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec); |
5b435de0 | 1375 | if (err) { |
57d6e91a | 1376 | brcmf_err("wsec failed (%d)\n", err); |
5b435de0 AS |
1377 | goto done; |
1378 | } | |
1379 | ||
1380 | /* Configure Beacon Interval for starter */ | |
1381 | if (params->beacon_interval) | |
1382 | bcnprd = params->beacon_interval; | |
1383 | else | |
1384 | bcnprd = 100; | |
1385 | ||
b87e2c48 | 1386 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd); |
5b435de0 | 1387 | if (err) { |
57d6e91a | 1388 | brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err); |
5b435de0 AS |
1389 | goto done; |
1390 | } | |
1391 | ||
1392 | /* Configure required join parameter */ | |
1393 | memset(&join_params, 0, sizeof(struct brcmf_join_params)); | |
1394 | ||
1395 | /* SSID */ | |
6c8c4f72 AS |
1396 | profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32); |
1397 | memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len); | |
1398 | memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len); | |
1399 | join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); | |
5b435de0 | 1400 | join_params_size = sizeof(join_params.ssid_le); |
5b435de0 AS |
1401 | |
1402 | /* BSSID */ | |
1403 | if (params->bssid) { | |
1404 | memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN); | |
1405 | join_params_size = sizeof(join_params.ssid_le) + | |
1406 | BRCMF_ASSOC_PARAMS_FIXED_SIZE; | |
6c8c4f72 | 1407 | memcpy(profile->bssid, params->bssid, ETH_ALEN); |
5b435de0 | 1408 | } else { |
93803b33 JP |
1409 | eth_broadcast_addr(join_params.params_le.bssid); |
1410 | eth_zero_addr(profile->bssid); | |
5b435de0 AS |
1411 | } |
1412 | ||
5b435de0 | 1413 | /* Channel */ |
683b6d3b | 1414 | if (params->chandef.chan) { |
5b435de0 AS |
1415 | u32 target_channel; |
1416 | ||
27a68fe3 | 1417 | cfg->channel = |
5b435de0 | 1418 | ieee80211_frequency_to_channel( |
683b6d3b | 1419 | params->chandef.chan->center_freq); |
5b435de0 AS |
1420 | if (params->channel_fixed) { |
1421 | /* adding chanspec */ | |
600a897d AS |
1422 | chanspec = chandef_to_chanspec(&cfg->d11inf, |
1423 | ¶ms->chandef); | |
1701261d HM |
1424 | join_params.params_le.chanspec_list[0] = |
1425 | cpu_to_le16(chanspec); | |
1426 | join_params.params_le.chanspec_num = cpu_to_le32(1); | |
1427 | join_params_size += sizeof(join_params.params_le); | |
5b435de0 AS |
1428 | } |
1429 | ||
1430 | /* set channel for starter */ | |
27a68fe3 | 1431 | target_channel = cfg->channel; |
b87e2c48 | 1432 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL, |
81f5dcb8 | 1433 | target_channel); |
5b435de0 | 1434 | if (err) { |
57d6e91a | 1435 | brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err); |
5b435de0 AS |
1436 | goto done; |
1437 | } | |
1438 | } else | |
27a68fe3 | 1439 | cfg->channel = 0; |
5b435de0 | 1440 | |
27a68fe3 | 1441 | cfg->ibss_starter = false; |
5b435de0 AS |
1442 | |
1443 | ||
c1179033 | 1444 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, |
81f5dcb8 | 1445 | &join_params, join_params_size); |
5b435de0 | 1446 | if (err) { |
57d6e91a | 1447 | brcmf_err("WLC_SET_SSID failed (%d)\n", err); |
5b435de0 AS |
1448 | goto done; |
1449 | } | |
1450 | ||
1451 | done: | |
1452 | if (err) | |
c1179033 | 1453 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
d96b801f | 1454 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
1455 | return err; |
1456 | } | |
1457 | ||
1458 | static s32 | |
1459 | brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) | |
1460 | { | |
0abb5f21 | 1461 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 1462 | |
d96b801f | 1463 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 1464 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
1465 | return -EIO; |
1466 | ||
9b7a0ddc | 1467 | brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING); |
5b435de0 | 1468 | |
d96b801f | 1469 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 | 1470 | |
12f32370 | 1471 | return 0; |
5b435de0 AS |
1472 | } |
1473 | ||
1474 | static s32 brcmf_set_wpa_version(struct net_device *ndev, | |
1475 | struct cfg80211_connect_params *sme) | |
1476 | { | |
6ac4f4ed | 1477 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); |
5b435de0 AS |
1478 | struct brcmf_cfg80211_security *sec; |
1479 | s32 val = 0; | |
1480 | s32 err = 0; | |
1481 | ||
1482 | if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
1483 | val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; | |
1484 | else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
1485 | val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; | |
1486 | else | |
1487 | val = WPA_AUTH_DISABLED; | |
16886735 | 1488 | brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val); |
89286dc9 | 1489 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); |
5b435de0 | 1490 | if (err) { |
57d6e91a | 1491 | brcmf_err("set wpa_auth failed (%d)\n", err); |
5b435de0 AS |
1492 | return err; |
1493 | } | |
06bb123e | 1494 | sec = &profile->sec; |
5b435de0 AS |
1495 | sec->wpa_versions = sme->crypto.wpa_versions; |
1496 | return err; | |
1497 | } | |
1498 | ||
1499 | static s32 brcmf_set_auth_type(struct net_device *ndev, | |
1500 | struct cfg80211_connect_params *sme) | |
1501 | { | |
6ac4f4ed | 1502 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); |
5b435de0 AS |
1503 | struct brcmf_cfg80211_security *sec; |
1504 | s32 val = 0; | |
1505 | s32 err = 0; | |
1506 | ||
1507 | switch (sme->auth_type) { | |
1508 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
1509 | val = 0; | |
16886735 | 1510 | brcmf_dbg(CONN, "open system\n"); |
5b435de0 AS |
1511 | break; |
1512 | case NL80211_AUTHTYPE_SHARED_KEY: | |
1513 | val = 1; | |
16886735 | 1514 | brcmf_dbg(CONN, "shared key\n"); |
5b435de0 AS |
1515 | break; |
1516 | case NL80211_AUTHTYPE_AUTOMATIC: | |
1517 | val = 2; | |
16886735 | 1518 | brcmf_dbg(CONN, "automatic\n"); |
5b435de0 AS |
1519 | break; |
1520 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
16886735 | 1521 | brcmf_dbg(CONN, "network eap\n"); |
5b435de0 AS |
1522 | default: |
1523 | val = 2; | |
57d6e91a | 1524 | brcmf_err("invalid auth type (%d)\n", sme->auth_type); |
5b435de0 AS |
1525 | break; |
1526 | } | |
1527 | ||
89286dc9 | 1528 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); |
5b435de0 | 1529 | if (err) { |
57d6e91a | 1530 | brcmf_err("set auth failed (%d)\n", err); |
5b435de0 AS |
1531 | return err; |
1532 | } | |
06bb123e | 1533 | sec = &profile->sec; |
5b435de0 AS |
1534 | sec->auth_type = sme->auth_type; |
1535 | return err; | |
1536 | } | |
1537 | ||
1538 | static s32 | |
87b7e9e2 DK |
1539 | brcmf_set_wsec_mode(struct net_device *ndev, |
1540 | struct cfg80211_connect_params *sme, bool mfp) | |
5b435de0 | 1541 | { |
6ac4f4ed | 1542 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); |
5b435de0 AS |
1543 | struct brcmf_cfg80211_security *sec; |
1544 | s32 pval = 0; | |
1545 | s32 gval = 0; | |
87b7e9e2 | 1546 | s32 wsec; |
5b435de0 AS |
1547 | s32 err = 0; |
1548 | ||
1549 | if (sme->crypto.n_ciphers_pairwise) { | |
1550 | switch (sme->crypto.ciphers_pairwise[0]) { | |
1551 | case WLAN_CIPHER_SUITE_WEP40: | |
1552 | case WLAN_CIPHER_SUITE_WEP104: | |
1553 | pval = WEP_ENABLED; | |
1554 | break; | |
1555 | case WLAN_CIPHER_SUITE_TKIP: | |
1556 | pval = TKIP_ENABLED; | |
1557 | break; | |
1558 | case WLAN_CIPHER_SUITE_CCMP: | |
1559 | pval = AES_ENABLED; | |
1560 | break; | |
1561 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1562 | pval = AES_ENABLED; | |
1563 | break; | |
1564 | default: | |
57d6e91a AS |
1565 | brcmf_err("invalid cipher pairwise (%d)\n", |
1566 | sme->crypto.ciphers_pairwise[0]); | |
5b435de0 AS |
1567 | return -EINVAL; |
1568 | } | |
1569 | } | |
1570 | if (sme->crypto.cipher_group) { | |
1571 | switch (sme->crypto.cipher_group) { | |
1572 | case WLAN_CIPHER_SUITE_WEP40: | |
1573 | case WLAN_CIPHER_SUITE_WEP104: | |
1574 | gval = WEP_ENABLED; | |
1575 | break; | |
1576 | case WLAN_CIPHER_SUITE_TKIP: | |
1577 | gval = TKIP_ENABLED; | |
1578 | break; | |
1579 | case WLAN_CIPHER_SUITE_CCMP: | |
1580 | gval = AES_ENABLED; | |
1581 | break; | |
1582 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1583 | gval = AES_ENABLED; | |
1584 | break; | |
1585 | default: | |
57d6e91a AS |
1586 | brcmf_err("invalid cipher group (%d)\n", |
1587 | sme->crypto.cipher_group); | |
5b435de0 AS |
1588 | return -EINVAL; |
1589 | } | |
1590 | } | |
1591 | ||
16886735 | 1592 | brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval); |
89286dc9 HM |
1593 | /* In case of privacy, but no security and WPS then simulate */ |
1594 | /* setting AES. WPS-2.0 allows no security */ | |
1595 | if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval && | |
1596 | sme->privacy) | |
1597 | pval = AES_ENABLED; | |
87b7e9e2 DK |
1598 | |
1599 | if (mfp) | |
1600 | wsec = pval | gval | MFP_CAPABLE; | |
1601 | else | |
1602 | wsec = pval | gval; | |
1603 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec); | |
5b435de0 | 1604 | if (err) { |
57d6e91a | 1605 | brcmf_err("error (%d)\n", err); |
5b435de0 AS |
1606 | return err; |
1607 | } | |
1608 | ||
06bb123e | 1609 | sec = &profile->sec; |
5b435de0 AS |
1610 | sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; |
1611 | sec->cipher_group = sme->crypto.cipher_group; | |
1612 | ||
1613 | return err; | |
1614 | } | |
1615 | ||
1616 | static s32 | |
1617 | brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) | |
1618 | { | |
6ac4f4ed | 1619 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); |
5b435de0 AS |
1620 | struct brcmf_cfg80211_security *sec; |
1621 | s32 val = 0; | |
1622 | s32 err = 0; | |
1623 | ||
1624 | if (sme->crypto.n_akm_suites) { | |
89286dc9 HM |
1625 | err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), |
1626 | "wpa_auth", &val); | |
5b435de0 | 1627 | if (err) { |
57d6e91a | 1628 | brcmf_err("could not get wpa_auth (%d)\n", err); |
5b435de0 AS |
1629 | return err; |
1630 | } | |
1631 | if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { | |
1632 | switch (sme->crypto.akm_suites[0]) { | |
1633 | case WLAN_AKM_SUITE_8021X: | |
1634 | val = WPA_AUTH_UNSPECIFIED; | |
1635 | break; | |
1636 | case WLAN_AKM_SUITE_PSK: | |
1637 | val = WPA_AUTH_PSK; | |
1638 | break; | |
1639 | default: | |
57d6e91a AS |
1640 | brcmf_err("invalid cipher group (%d)\n", |
1641 | sme->crypto.cipher_group); | |
5b435de0 AS |
1642 | return -EINVAL; |
1643 | } | |
1644 | } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { | |
1645 | switch (sme->crypto.akm_suites[0]) { | |
1646 | case WLAN_AKM_SUITE_8021X: | |
1647 | val = WPA2_AUTH_UNSPECIFIED; | |
1648 | break; | |
1649 | case WLAN_AKM_SUITE_PSK: | |
1650 | val = WPA2_AUTH_PSK; | |
1651 | break; | |
1652 | default: | |
57d6e91a AS |
1653 | brcmf_err("invalid cipher group (%d)\n", |
1654 | sme->crypto.cipher_group); | |
5b435de0 AS |
1655 | return -EINVAL; |
1656 | } | |
1657 | } | |
1658 | ||
16886735 | 1659 | brcmf_dbg(CONN, "setting wpa_auth to %d\n", val); |
89286dc9 HM |
1660 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), |
1661 | "wpa_auth", val); | |
5b435de0 | 1662 | if (err) { |
57d6e91a | 1663 | brcmf_err("could not set wpa_auth (%d)\n", err); |
5b435de0 AS |
1664 | return err; |
1665 | } | |
1666 | } | |
06bb123e | 1667 | sec = &profile->sec; |
5b435de0 AS |
1668 | sec->wpa_auth = sme->crypto.akm_suites[0]; |
1669 | ||
1670 | return err; | |
1671 | } | |
1672 | ||
1673 | static s32 | |
f09d0c02 HM |
1674 | brcmf_set_sharedkey(struct net_device *ndev, |
1675 | struct cfg80211_connect_params *sme) | |
5b435de0 | 1676 | { |
6ac4f4ed | 1677 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); |
5b435de0 AS |
1678 | struct brcmf_cfg80211_security *sec; |
1679 | struct brcmf_wsec_key key; | |
1680 | s32 val; | |
1681 | s32 err = 0; | |
1682 | ||
16886735 | 1683 | brcmf_dbg(CONN, "key len (%d)\n", sme->key_len); |
5b435de0 | 1684 | |
a718e2fe RV |
1685 | if (sme->key_len == 0) |
1686 | return 0; | |
1687 | ||
06bb123e | 1688 | sec = &profile->sec; |
16886735 AS |
1689 | brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n", |
1690 | sec->wpa_versions, sec->cipher_pairwise); | |
a718e2fe RV |
1691 | |
1692 | if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) | |
1693 | return 0; | |
1694 | ||
f09d0c02 HM |
1695 | if (!(sec->cipher_pairwise & |
1696 | (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) | |
1697 | return 0; | |
a718e2fe | 1698 | |
f09d0c02 HM |
1699 | memset(&key, 0, sizeof(key)); |
1700 | key.len = (u32) sme->key_len; | |
1701 | key.index = (u32) sme->key_idx; | |
1702 | if (key.len > sizeof(key.data)) { | |
57d6e91a | 1703 | brcmf_err("Too long key length (%u)\n", key.len); |
f09d0c02 HM |
1704 | return -EINVAL; |
1705 | } | |
1706 | memcpy(key.data, sme->key, key.len); | |
1707 | key.flags = BRCMF_PRIMARY_KEY; | |
1708 | switch (sec->cipher_pairwise) { | |
1709 | case WLAN_CIPHER_SUITE_WEP40: | |
1710 | key.algo = CRYPTO_ALGO_WEP1; | |
1711 | break; | |
1712 | case WLAN_CIPHER_SUITE_WEP104: | |
1713 | key.algo = CRYPTO_ALGO_WEP128; | |
1714 | break; | |
1715 | default: | |
57d6e91a AS |
1716 | brcmf_err("Invalid algorithm (%d)\n", |
1717 | sme->crypto.ciphers_pairwise[0]); | |
f09d0c02 HM |
1718 | return -EINVAL; |
1719 | } | |
1720 | /* Set the new key/index */ | |
16886735 AS |
1721 | brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n", |
1722 | key.len, key.index, key.algo); | |
1723 | brcmf_dbg(CONN, "key \"%s\"\n", key.data); | |
118eb304 | 1724 | err = send_key_to_dongle(netdev_priv(ndev), &key); |
f09d0c02 HM |
1725 | if (err) |
1726 | return err; | |
1727 | ||
1728 | if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { | |
16886735 | 1729 | brcmf_dbg(CONN, "set auth_type to shared key\n"); |
f09d0c02 | 1730 | val = WL_AUTH_SHARED_KEY; /* shared key */ |
ac24be6f | 1731 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); |
f09d0c02 | 1732 | if (err) |
57d6e91a | 1733 | brcmf_err("set auth failed (%d)\n", err); |
5b435de0 AS |
1734 | } |
1735 | return err; | |
1736 | } | |
1737 | ||
cbb1ec94 AS |
1738 | static |
1739 | enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp, | |
1740 | enum nl80211_auth_type type) | |
1741 | { | |
c08437b4 AS |
1742 | if (type == NL80211_AUTHTYPE_AUTOMATIC && |
1743 | brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) { | |
1744 | brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n"); | |
1745 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
cbb1ec94 AS |
1746 | } |
1747 | return type; | |
1748 | } | |
1749 | ||
5b435de0 AS |
1750 | static s32 |
1751 | brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, | |
cbb1ec94 | 1752 | struct cfg80211_connect_params *sme) |
5b435de0 | 1753 | { |
27a68fe3 | 1754 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
0abb5f21 AS |
1755 | struct brcmf_if *ifp = netdev_priv(ndev); |
1756 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
5b435de0 AS |
1757 | struct ieee80211_channel *chan = sme->channel; |
1758 | struct brcmf_join_params join_params; | |
1759 | size_t join_params_size; | |
4b5800fe JB |
1760 | const struct brcmf_tlv *rsn_ie; |
1761 | const struct brcmf_vs_tlv *wpa_ie; | |
1762 | const void *ie; | |
89286dc9 HM |
1763 | u32 ie_len; |
1764 | struct brcmf_ext_join_params_le *ext_join_params; | |
1701261d | 1765 | u16 chanspec; |
5b435de0 AS |
1766 | s32 err = 0; |
1767 | ||
d96b801f | 1768 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 1769 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
1770 | return -EIO; |
1771 | ||
1772 | if (!sme->ssid) { | |
57d6e91a | 1773 | brcmf_err("Invalid ssid\n"); |
5b435de0 AS |
1774 | return -EOPNOTSUPP; |
1775 | } | |
1776 | ||
89286dc9 HM |
1777 | if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) { |
1778 | /* A normal (non P2P) connection request setup. */ | |
1779 | ie = NULL; | |
1780 | ie_len = 0; | |
1781 | /* find the WPA_IE */ | |
1782 | wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len); | |
1783 | if (wpa_ie) { | |
1784 | ie = wpa_ie; | |
1785 | ie_len = wpa_ie->len + TLV_HDR_LEN; | |
1786 | } else { | |
1787 | /* find the RSN_IE */ | |
4b5800fe JB |
1788 | rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, |
1789 | sme->ie_len, | |
89286dc9 HM |
1790 | WLAN_EID_RSN); |
1791 | if (rsn_ie) { | |
1792 | ie = rsn_ie; | |
1793 | ie_len = rsn_ie->len + TLV_HDR_LEN; | |
1794 | } | |
1795 | } | |
1796 | brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len); | |
1797 | } | |
1798 | ||
1799 | err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG, | |
1800 | sme->ie, sme->ie_len); | |
1801 | if (err) | |
1802 | brcmf_err("Set Assoc REQ IE Failed\n"); | |
1803 | else | |
1804 | brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n"); | |
1805 | ||
c1179033 | 1806 | set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
5b435de0 AS |
1807 | |
1808 | if (chan) { | |
27a68fe3 | 1809 | cfg->channel = |
5b435de0 | 1810 | ieee80211_frequency_to_channel(chan->center_freq); |
83cf17aa | 1811 | chanspec = channel_to_chanspec(&cfg->d11inf, chan); |
1701261d HM |
1812 | brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n", |
1813 | cfg->channel, chan->center_freq, chanspec); | |
1814 | } else { | |
27a68fe3 | 1815 | cfg->channel = 0; |
1701261d HM |
1816 | chanspec = 0; |
1817 | } | |
5b435de0 | 1818 | |
647c9ae0 | 1819 | brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); |
5b435de0 AS |
1820 | |
1821 | err = brcmf_set_wpa_version(ndev, sme); | |
1822 | if (err) { | |
57d6e91a | 1823 | brcmf_err("wl_set_wpa_version failed (%d)\n", err); |
5b435de0 AS |
1824 | goto done; |
1825 | } | |
1826 | ||
cbb1ec94 | 1827 | sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type); |
5b435de0 AS |
1828 | err = brcmf_set_auth_type(ndev, sme); |
1829 | if (err) { | |
57d6e91a | 1830 | brcmf_err("wl_set_auth_type failed (%d)\n", err); |
5b435de0 AS |
1831 | goto done; |
1832 | } | |
1833 | ||
87b7e9e2 | 1834 | err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED); |
5b435de0 | 1835 | if (err) { |
57d6e91a | 1836 | brcmf_err("wl_set_set_cipher failed (%d)\n", err); |
5b435de0 AS |
1837 | goto done; |
1838 | } | |
1839 | ||
1840 | err = brcmf_set_key_mgmt(ndev, sme); | |
1841 | if (err) { | |
57d6e91a | 1842 | brcmf_err("wl_set_key_mgmt failed (%d)\n", err); |
5b435de0 AS |
1843 | goto done; |
1844 | } | |
1845 | ||
f09d0c02 | 1846 | err = brcmf_set_sharedkey(ndev, sme); |
5b435de0 | 1847 | if (err) { |
57d6e91a | 1848 | brcmf_err("brcmf_set_sharedkey failed (%d)\n", err); |
5b435de0 AS |
1849 | goto done; |
1850 | } | |
1851 | ||
89286dc9 HM |
1852 | profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID), |
1853 | (u32)sme->ssid_len); | |
1854 | memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len); | |
1855 | if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { | |
1856 | profile->ssid.SSID[profile->ssid.SSID_len] = 0; | |
1857 | brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID, | |
1858 | profile->ssid.SSID_len); | |
1859 | } | |
1860 | ||
1861 | /* Join with specific BSSID and cached SSID | |
1862 | * If SSID is zero join based on BSSID only | |
1863 | */ | |
1864 | join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) + | |
1865 | offsetof(struct brcmf_assoc_params_le, chanspec_list); | |
1866 | if (cfg->channel) | |
1867 | join_params_size += sizeof(u16); | |
1868 | ext_join_params = kzalloc(join_params_size, GFP_KERNEL); | |
1869 | if (ext_join_params == NULL) { | |
1870 | err = -ENOMEM; | |
1871 | goto done; | |
1872 | } | |
1873 | ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); | |
1874 | memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, | |
1875 | profile->ssid.SSID_len); | |
63dd99e6 | 1876 | |
89286dc9 HM |
1877 | /* Set up join scan parameters */ |
1878 | ext_join_params->scan_le.scan_type = -1; | |
89286dc9 HM |
1879 | ext_join_params->scan_le.home_time = cpu_to_le32(-1); |
1880 | ||
1881 | if (sme->bssid) | |
1882 | memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN); | |
1883 | else | |
93803b33 | 1884 | eth_broadcast_addr(ext_join_params->assoc_le.bssid); |
89286dc9 HM |
1885 | |
1886 | if (cfg->channel) { | |
1887 | ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1); | |
1888 | ||
1889 | ext_join_params->assoc_le.chanspec_list[0] = | |
1890 | cpu_to_le16(chanspec); | |
63dd99e6 HM |
1891 | /* Increase dwell time to receive probe response or detect |
1892 | * beacon from target AP at a noisy air only during connect | |
1893 | * command. | |
1894 | */ | |
1895 | ext_join_params->scan_le.active_time = | |
1896 | cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS); | |
1897 | ext_join_params->scan_le.passive_time = | |
1898 | cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS); | |
1899 | /* To sync with presence period of VSDB GO send probe request | |
1900 | * more frequently. Probe request will be stopped when it gets | |
1901 | * probe response from target AP/GO. | |
1902 | */ | |
1903 | ext_join_params->scan_le.nprobes = | |
1904 | cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS / | |
1905 | BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS); | |
1906 | } else { | |
1907 | ext_join_params->scan_le.active_time = cpu_to_le32(-1); | |
1908 | ext_join_params->scan_le.passive_time = cpu_to_le32(-1); | |
1909 | ext_join_params->scan_le.nprobes = cpu_to_le32(-1); | |
89286dc9 HM |
1910 | } |
1911 | ||
1912 | err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params, | |
1913 | join_params_size); | |
1914 | kfree(ext_join_params); | |
1915 | if (!err) | |
1916 | /* This is it. join command worked, we are done */ | |
1917 | goto done; | |
1918 | ||
1919 | /* join command failed, fallback to set ssid */ | |
5b435de0 AS |
1920 | memset(&join_params, 0, sizeof(join_params)); |
1921 | join_params_size = sizeof(join_params.ssid_le); | |
1922 | ||
6c8c4f72 | 1923 | memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len); |
6c8c4f72 | 1924 | join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); |
5b435de0 | 1925 | |
89286dc9 HM |
1926 | if (sme->bssid) |
1927 | memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN); | |
1928 | else | |
93803b33 | 1929 | eth_broadcast_addr(join_params.params_le.bssid); |
5b435de0 | 1930 | |
1701261d HM |
1931 | if (cfg->channel) { |
1932 | join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec); | |
1933 | join_params.params_le.chanspec_num = cpu_to_le32(1); | |
1934 | join_params_size += sizeof(join_params.params_le); | |
1935 | } | |
c1179033 | 1936 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, |
81f5dcb8 | 1937 | &join_params, join_params_size); |
5b435de0 | 1938 | if (err) |
89286dc9 | 1939 | brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err); |
5b435de0 AS |
1940 | |
1941 | done: | |
1942 | if (err) | |
c1179033 | 1943 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
d96b801f | 1944 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
1945 | return err; |
1946 | } | |
1947 | ||
1948 | static s32 | |
1949 | brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, | |
1950 | u16 reason_code) | |
1951 | { | |
0abb5f21 AS |
1952 | struct brcmf_if *ifp = netdev_priv(ndev); |
1953 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
5b435de0 AS |
1954 | struct brcmf_scb_val_le scbval; |
1955 | s32 err = 0; | |
1956 | ||
d96b801f | 1957 | brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code); |
ce81e317 | 1958 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
1959 | return -EIO; |
1960 | ||
c1179033 | 1961 | clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); |
4f3fff14 | 1962 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
80279fb7 | 1963 | cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL); |
5b435de0 | 1964 | |
06bb123e | 1965 | memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); |
5b435de0 | 1966 | scbval.val = cpu_to_le32(reason_code); |
c1179033 | 1967 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC, |
ac24be6f | 1968 | &scbval, sizeof(scbval)); |
5b435de0 | 1969 | if (err) |
57d6e91a | 1970 | brcmf_err("error (%d)\n", err); |
5b435de0 | 1971 | |
d96b801f | 1972 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
1973 | return err; |
1974 | } | |
1975 | ||
1976 | static s32 | |
c8442118 | 1977 | brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, |
d3f31134 | 1978 | enum nl80211_tx_power_setting type, s32 mbm) |
5b435de0 AS |
1979 | { |
1980 | ||
27a68fe3 | 1981 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
0abb5f21 AS |
1982 | struct net_device *ndev = cfg_to_ndev(cfg); |
1983 | struct brcmf_if *ifp = netdev_priv(ndev); | |
5b435de0 AS |
1984 | u16 txpwrmw; |
1985 | s32 err = 0; | |
1986 | s32 disable = 0; | |
d3f31134 | 1987 | s32 dbm = MBM_TO_DBM(mbm); |
5b435de0 | 1988 | |
d96b801f | 1989 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 1990 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
1991 | return -EIO; |
1992 | ||
1993 | switch (type) { | |
1994 | case NL80211_TX_POWER_AUTOMATIC: | |
1995 | break; | |
1996 | case NL80211_TX_POWER_LIMITED: | |
5b435de0 AS |
1997 | case NL80211_TX_POWER_FIXED: |
1998 | if (dbm < 0) { | |
57d6e91a | 1999 | brcmf_err("TX_POWER_FIXED - dbm is negative\n"); |
5b435de0 AS |
2000 | err = -EINVAL; |
2001 | goto done; | |
2002 | } | |
2003 | break; | |
2004 | } | |
2005 | /* Make sure radio is off or on as far as software is concerned */ | |
2006 | disable = WL_RADIO_SW_DISABLE << 16; | |
ac24be6f | 2007 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable); |
5b435de0 | 2008 | if (err) |
57d6e91a | 2009 | brcmf_err("WLC_SET_RADIO error (%d)\n", err); |
5b435de0 AS |
2010 | |
2011 | if (dbm > 0xffff) | |
2012 | txpwrmw = 0xffff; | |
2013 | else | |
2014 | txpwrmw = (u16) dbm; | |
ac24be6f AS |
2015 | err = brcmf_fil_iovar_int_set(ifp, "qtxpower", |
2016 | (s32)brcmf_mw_to_qdbm(txpwrmw)); | |
5b435de0 | 2017 | if (err) |
57d6e91a | 2018 | brcmf_err("qtxpower error (%d)\n", err); |
27a68fe3 | 2019 | cfg->conf->tx_power = dbm; |
5b435de0 AS |
2020 | |
2021 | done: | |
d96b801f | 2022 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
2023 | return err; |
2024 | } | |
2025 | ||
c8442118 JB |
2026 | static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, |
2027 | struct wireless_dev *wdev, | |
2028 | s32 *dbm) | |
5b435de0 | 2029 | { |
27a68fe3 | 2030 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
0abb5f21 | 2031 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
5b435de0 AS |
2032 | s32 txpwrdbm; |
2033 | u8 result; | |
2034 | s32 err = 0; | |
2035 | ||
d96b801f | 2036 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 2037 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
2038 | return -EIO; |
2039 | ||
0abb5f21 | 2040 | err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm); |
5b435de0 | 2041 | if (err) { |
57d6e91a | 2042 | brcmf_err("error (%d)\n", err); |
5b435de0 AS |
2043 | goto done; |
2044 | } | |
2045 | ||
2046 | result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE); | |
ef6ac17a | 2047 | *dbm = (s32) brcmf_qdbm_to_mw(result); |
5b435de0 AS |
2048 | |
2049 | done: | |
d96b801f | 2050 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
2051 | return err; |
2052 | } | |
2053 | ||
2054 | static s32 | |
2055 | brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, | |
2056 | u8 key_idx, bool unicast, bool multicast) | |
2057 | { | |
0abb5f21 | 2058 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 AS |
2059 | u32 index; |
2060 | u32 wsec; | |
2061 | s32 err = 0; | |
2062 | ||
d96b801f | 2063 | brcmf_dbg(TRACE, "Enter\n"); |
16886735 | 2064 | brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
ce81e317 | 2065 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
2066 | return -EIO; |
2067 | ||
0abb5f21 | 2068 | err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); |
5b435de0 | 2069 | if (err) { |
57d6e91a | 2070 | brcmf_err("WLC_GET_WSEC error (%d)\n", err); |
5b435de0 AS |
2071 | goto done; |
2072 | } | |
2073 | ||
2074 | if (wsec & WEP_ENABLED) { | |
2075 | /* Just select a new current key */ | |
2076 | index = key_idx; | |
0abb5f21 | 2077 | err = brcmf_fil_cmd_int_set(ifp, |
ac24be6f | 2078 | BRCMF_C_SET_KEY_PRIMARY, index); |
5b435de0 | 2079 | if (err) |
57d6e91a | 2080 | brcmf_err("error (%d)\n", err); |
5b435de0 AS |
2081 | } |
2082 | done: | |
d96b801f | 2083 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
2084 | return err; |
2085 | } | |
2086 | ||
2087 | static s32 | |
2088 | brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev, | |
2089 | u8 key_idx, const u8 *mac_addr, struct key_params *params) | |
2090 | { | |
992f6068 | 2091 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 2092 | struct brcmf_wsec_key key; |
5b435de0 | 2093 | s32 err = 0; |
992f6068 | 2094 | u8 keybuf[8]; |
5b435de0 AS |
2095 | |
2096 | memset(&key, 0, sizeof(key)); | |
2097 | key.index = (u32) key_idx; | |
2098 | /* Instead of bcast for ea address for default wep keys, | |
2099 | driver needs it to be Null */ | |
2100 | if (!is_multicast_ether_addr(mac_addr)) | |
2101 | memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN); | |
2102 | key.len = (u32) params->key_len; | |
2103 | /* check for key index change */ | |
2104 | if (key.len == 0) { | |
2105 | /* key delete */ | |
118eb304 | 2106 | err = send_key_to_dongle(ifp, &key); |
5b435de0 | 2107 | if (err) |
57d6e91a | 2108 | brcmf_err("key delete error (%d)\n", err); |
5b435de0 AS |
2109 | } else { |
2110 | if (key.len > sizeof(key.data)) { | |
57d6e91a | 2111 | brcmf_err("Invalid key length (%d)\n", key.len); |
5b435de0 AS |
2112 | return -EINVAL; |
2113 | } | |
2114 | ||
16886735 | 2115 | brcmf_dbg(CONN, "Setting the key index %d\n", key.index); |
5b435de0 AS |
2116 | memcpy(key.data, params->key, key.len); |
2117 | ||
967fe2c8 | 2118 | if (!brcmf_is_apmode(ifp->vif) && |
992f6068 HM |
2119 | (params->cipher == WLAN_CIPHER_SUITE_TKIP)) { |
2120 | brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); | |
5b435de0 AS |
2121 | memcpy(keybuf, &key.data[24], sizeof(keybuf)); |
2122 | memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); | |
2123 | memcpy(&key.data[16], keybuf, sizeof(keybuf)); | |
2124 | } | |
2125 | ||
2126 | /* if IW_ENCODE_EXT_RX_SEQ_VALID set */ | |
2127 | if (params->seq && params->seq_len == 6) { | |
2128 | /* rx iv */ | |
2129 | u8 *ivptr; | |
2130 | ivptr = (u8 *) params->seq; | |
2131 | key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | | |
2132 | (ivptr[3] << 8) | ivptr[2]; | |
2133 | key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; | |
2134 | key.iv_initialized = true; | |
2135 | } | |
2136 | ||
2137 | switch (params->cipher) { | |
2138 | case WLAN_CIPHER_SUITE_WEP40: | |
2139 | key.algo = CRYPTO_ALGO_WEP1; | |
16886735 | 2140 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); |
5b435de0 AS |
2141 | break; |
2142 | case WLAN_CIPHER_SUITE_WEP104: | |
2143 | key.algo = CRYPTO_ALGO_WEP128; | |
16886735 | 2144 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); |
5b435de0 AS |
2145 | break; |
2146 | case WLAN_CIPHER_SUITE_TKIP: | |
2147 | key.algo = CRYPTO_ALGO_TKIP; | |
16886735 | 2148 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); |
5b435de0 AS |
2149 | break; |
2150 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
2151 | key.algo = CRYPTO_ALGO_AES_CCM; | |
16886735 | 2152 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); |
5b435de0 AS |
2153 | break; |
2154 | case WLAN_CIPHER_SUITE_CCMP: | |
2155 | key.algo = CRYPTO_ALGO_AES_CCM; | |
16886735 | 2156 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); |
5b435de0 AS |
2157 | break; |
2158 | default: | |
57d6e91a | 2159 | brcmf_err("Invalid cipher (0x%x)\n", params->cipher); |
5b435de0 AS |
2160 | return -EINVAL; |
2161 | } | |
118eb304 | 2162 | err = send_key_to_dongle(ifp, &key); |
f09d0c02 | 2163 | if (err) |
57d6e91a | 2164 | brcmf_err("wsec_key error (%d)\n", err); |
5b435de0 AS |
2165 | } |
2166 | return err; | |
2167 | } | |
2168 | ||
2169 | static s32 | |
2170 | brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, | |
2171 | u8 key_idx, bool pairwise, const u8 *mac_addr, | |
2172 | struct key_params *params) | |
2173 | { | |
0abb5f21 | 2174 | struct brcmf_if *ifp = netdev_priv(ndev); |
118eb304 | 2175 | struct brcmf_wsec_key *key; |
5b435de0 AS |
2176 | s32 val; |
2177 | s32 wsec; | |
2178 | s32 err = 0; | |
2179 | u8 keybuf[8]; | |
2180 | ||
d96b801f | 2181 | brcmf_dbg(TRACE, "Enter\n"); |
16886735 | 2182 | brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
ce81e317 | 2183 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
2184 | return -EIO; |
2185 | ||
118eb304 HM |
2186 | if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { |
2187 | /* we ignore this key index in this case */ | |
2188 | brcmf_err("invalid key index (%d)\n", key_idx); | |
2189 | return -EINVAL; | |
2190 | } | |
2191 | ||
787eb033 DK |
2192 | if (mac_addr && |
2193 | (params->cipher != WLAN_CIPHER_SUITE_WEP40) && | |
2194 | (params->cipher != WLAN_CIPHER_SUITE_WEP104)) { | |
d96b801f | 2195 | brcmf_dbg(TRACE, "Exit"); |
5b435de0 AS |
2196 | return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params); |
2197 | } | |
5b435de0 | 2198 | |
118eb304 HM |
2199 | key = &ifp->vif->profile.key[key_idx]; |
2200 | memset(key, 0, sizeof(*key)); | |
5b435de0 | 2201 | |
118eb304 HM |
2202 | if (params->key_len > sizeof(key->data)) { |
2203 | brcmf_err("Too long key length (%u)\n", params->key_len); | |
5b435de0 AS |
2204 | err = -EINVAL; |
2205 | goto done; | |
2206 | } | |
118eb304 HM |
2207 | key->len = params->key_len; |
2208 | key->index = key_idx; | |
5b435de0 | 2209 | |
118eb304 HM |
2210 | memcpy(key->data, params->key, key->len); |
2211 | ||
2212 | key->flags = BRCMF_PRIMARY_KEY; | |
5b435de0 AS |
2213 | switch (params->cipher) { |
2214 | case WLAN_CIPHER_SUITE_WEP40: | |
118eb304 | 2215 | key->algo = CRYPTO_ALGO_WEP1; |
f09d0c02 | 2216 | val = WEP_ENABLED; |
16886735 | 2217 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); |
5b435de0 AS |
2218 | break; |
2219 | case WLAN_CIPHER_SUITE_WEP104: | |
118eb304 | 2220 | key->algo = CRYPTO_ALGO_WEP128; |
f09d0c02 | 2221 | val = WEP_ENABLED; |
16886735 | 2222 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); |
5b435de0 AS |
2223 | break; |
2224 | case WLAN_CIPHER_SUITE_TKIP: | |
967fe2c8 | 2225 | if (!brcmf_is_apmode(ifp->vif)) { |
992f6068 | 2226 | brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); |
118eb304 HM |
2227 | memcpy(keybuf, &key->data[24], sizeof(keybuf)); |
2228 | memcpy(&key->data[24], &key->data[16], sizeof(keybuf)); | |
2229 | memcpy(&key->data[16], keybuf, sizeof(keybuf)); | |
1a873342 | 2230 | } |
118eb304 | 2231 | key->algo = CRYPTO_ALGO_TKIP; |
f09d0c02 | 2232 | val = TKIP_ENABLED; |
16886735 | 2233 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); |
5b435de0 AS |
2234 | break; |
2235 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
118eb304 | 2236 | key->algo = CRYPTO_ALGO_AES_CCM; |
f09d0c02 | 2237 | val = AES_ENABLED; |
16886735 | 2238 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); |
5b435de0 AS |
2239 | break; |
2240 | case WLAN_CIPHER_SUITE_CCMP: | |
118eb304 | 2241 | key->algo = CRYPTO_ALGO_AES_CCM; |
f09d0c02 | 2242 | val = AES_ENABLED; |
16886735 | 2243 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); |
5b435de0 AS |
2244 | break; |
2245 | default: | |
57d6e91a | 2246 | brcmf_err("Invalid cipher (0x%x)\n", params->cipher); |
5b435de0 AS |
2247 | err = -EINVAL; |
2248 | goto done; | |
2249 | } | |
2250 | ||
118eb304 | 2251 | err = send_key_to_dongle(ifp, key); |
5b435de0 AS |
2252 | if (err) |
2253 | goto done; | |
2254 | ||
0abb5f21 | 2255 | err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); |
5b435de0 | 2256 | if (err) { |
57d6e91a | 2257 | brcmf_err("get wsec error (%d)\n", err); |
5b435de0 AS |
2258 | goto done; |
2259 | } | |
5b435de0 | 2260 | wsec |= val; |
0abb5f21 | 2261 | err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); |
5b435de0 | 2262 | if (err) { |
57d6e91a | 2263 | brcmf_err("set wsec error (%d)\n", err); |
5b435de0 AS |
2264 | goto done; |
2265 | } | |
2266 | ||
5b435de0 | 2267 | done: |
d96b801f | 2268 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
2269 | return err; |
2270 | } | |
2271 | ||
2272 | static s32 | |
2273 | brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, | |
2274 | u8 key_idx, bool pairwise, const u8 *mac_addr) | |
2275 | { | |
0abb5f21 | 2276 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 AS |
2277 | struct brcmf_wsec_key key; |
2278 | s32 err = 0; | |
5b435de0 | 2279 | |
d96b801f | 2280 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 2281 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
2282 | return -EIO; |
2283 | ||
118eb304 | 2284 | if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { |
256c374f | 2285 | /* we ignore this key index in this case */ |
256c374f HM |
2286 | return -EINVAL; |
2287 | } | |
2288 | ||
5b435de0 AS |
2289 | memset(&key, 0, sizeof(key)); |
2290 | ||
2291 | key.index = (u32) key_idx; | |
2292 | key.flags = BRCMF_PRIMARY_KEY; | |
2293 | key.algo = CRYPTO_ALGO_OFF; | |
2294 | ||
16886735 | 2295 | brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
5b435de0 AS |
2296 | |
2297 | /* Set the new key/index */ | |
118eb304 | 2298 | err = send_key_to_dongle(ifp, &key); |
5b435de0 | 2299 | |
d96b801f | 2300 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
2301 | return err; |
2302 | } | |
2303 | ||
2304 | static s32 | |
2305 | brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, | |
2306 | u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, | |
2307 | void (*callback) (void *cookie, struct key_params * params)) | |
2308 | { | |
2309 | struct key_params params; | |
0abb5f21 AS |
2310 | struct brcmf_if *ifp = netdev_priv(ndev); |
2311 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
5b435de0 AS |
2312 | struct brcmf_cfg80211_security *sec; |
2313 | s32 wsec; | |
2314 | s32 err = 0; | |
2315 | ||
d96b801f | 2316 | brcmf_dbg(TRACE, "Enter\n"); |
16886735 | 2317 | brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
ce81e317 | 2318 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
2319 | return -EIO; |
2320 | ||
2321 | memset(¶ms, 0, sizeof(params)); | |
2322 | ||
0abb5f21 | 2323 | err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); |
5b435de0 | 2324 | if (err) { |
57d6e91a | 2325 | brcmf_err("WLC_GET_WSEC error (%d)\n", err); |
5b435de0 AS |
2326 | /* Ignore this error, may happen during DISASSOC */ |
2327 | err = -EAGAIN; | |
2328 | goto done; | |
2329 | } | |
c5bf53a8 | 2330 | if (wsec & WEP_ENABLED) { |
06bb123e | 2331 | sec = &profile->sec; |
5b435de0 AS |
2332 | if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { |
2333 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
16886735 | 2334 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); |
5b435de0 AS |
2335 | } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { |
2336 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
16886735 | 2337 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); |
5b435de0 | 2338 | } |
c5bf53a8 | 2339 | } else if (wsec & TKIP_ENABLED) { |
5b435de0 | 2340 | params.cipher = WLAN_CIPHER_SUITE_TKIP; |
16886735 | 2341 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); |
c5bf53a8 | 2342 | } else if (wsec & AES_ENABLED) { |
5b435de0 | 2343 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; |
16886735 | 2344 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); |
c5bf53a8 | 2345 | } else { |
57d6e91a | 2346 | brcmf_err("Invalid algo (0x%x)\n", wsec); |
5b435de0 AS |
2347 | err = -EINVAL; |
2348 | goto done; | |
2349 | } | |
2350 | callback(cookie, ¶ms); | |
2351 | ||
2352 | done: | |
d96b801f | 2353 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
2354 | return err; |
2355 | } | |
2356 | ||
2357 | static s32 | |
2358 | brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, | |
2359 | struct net_device *ndev, u8 key_idx) | |
2360 | { | |
647c9ae0 | 2361 | brcmf_dbg(INFO, "Not supported\n"); |
5b435de0 AS |
2362 | |
2363 | return -EOPNOTSUPP; | |
2364 | } | |
2365 | ||
118eb304 HM |
2366 | static void |
2367 | brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp) | |
2368 | { | |
2369 | s32 err; | |
2370 | u8 key_idx; | |
2371 | struct brcmf_wsec_key *key; | |
2372 | s32 wsec; | |
2373 | ||
2374 | for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) { | |
2375 | key = &ifp->vif->profile.key[key_idx]; | |
2376 | if ((key->algo == CRYPTO_ALGO_WEP1) || | |
2377 | (key->algo == CRYPTO_ALGO_WEP128)) | |
2378 | break; | |
2379 | } | |
2380 | if (key_idx == BRCMF_MAX_DEFAULT_KEYS) | |
2381 | return; | |
2382 | ||
2383 | err = send_key_to_dongle(ifp, key); | |
2384 | if (err) { | |
2385 | brcmf_err("Setting WEP key failed (%d)\n", err); | |
2386 | return; | |
2387 | } | |
2388 | err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); | |
2389 | if (err) { | |
2390 | brcmf_err("get wsec error (%d)\n", err); | |
2391 | return; | |
2392 | } | |
2393 | wsec |= WEP_ENABLED; | |
2394 | err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); | |
2395 | if (err) | |
2396 | brcmf_err("set wsec error (%d)\n", err); | |
2397 | } | |
2398 | ||
1f0dc59a AS |
2399 | static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si) |
2400 | { | |
2401 | struct nl80211_sta_flag_update *sfu; | |
2402 | ||
2403 | brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags); | |
2404 | si->filled |= BIT(NL80211_STA_INFO_STA_FLAGS); | |
2405 | sfu = &si->sta_flags; | |
2406 | sfu->mask = BIT(NL80211_STA_FLAG_WME) | | |
2407 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
2408 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
2409 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
2410 | if (fw_sta_flags & BRCMF_STA_WME) | |
2411 | sfu->set |= BIT(NL80211_STA_FLAG_WME); | |
2412 | if (fw_sta_flags & BRCMF_STA_AUTHE) | |
2413 | sfu->set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
2414 | if (fw_sta_flags & BRCMF_STA_ASSOC) | |
2415 | sfu->set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
2416 | if (fw_sta_flags & BRCMF_STA_AUTHO) | |
2417 | sfu->set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
2418 | } | |
2419 | ||
2420 | static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si) | |
2421 | { | |
2422 | struct { | |
2423 | __le32 len; | |
2424 | struct brcmf_bss_info_le bss_le; | |
2425 | } *buf; | |
2426 | u16 capability; | |
2427 | int err; | |
2428 | ||
2429 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); | |
2430 | if (!buf) | |
2431 | return; | |
2432 | ||
2433 | buf->len = cpu_to_le32(WL_BSS_INFO_MAX); | |
2434 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, buf, | |
2435 | WL_BSS_INFO_MAX); | |
2436 | if (err) { | |
2437 | brcmf_err("Failed to get bss info (%d)\n", err); | |
2438 | return; | |
2439 | } | |
2440 | si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); | |
2441 | si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period); | |
2442 | si->bss_param.dtim_period = buf->bss_le.dtim_period; | |
2443 | capability = le16_to_cpu(buf->bss_le.capability); | |
2444 | if (capability & IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT) | |
2445 | si->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
2446 | if (capability & WLAN_CAPABILITY_SHORT_PREAMBLE) | |
2447 | si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
2448 | if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) | |
2449 | si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
2450 | } | |
2451 | ||
5b435de0 AS |
2452 | static s32 |
2453 | brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, | |
3b3a0162 | 2454 | const u8 *mac, struct station_info *sinfo) |
5b435de0 | 2455 | { |
0abb5f21 | 2456 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 2457 | s32 err = 0; |
81f5dcb8 | 2458 | struct brcmf_sta_info_le sta_info_le; |
1f0dc59a AS |
2459 | u32 sta_flags; |
2460 | u32 is_tdls_peer; | |
5b435de0 | 2461 | |
d96b801f | 2462 | brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac); |
ce81e317 | 2463 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
2464 | return -EIO; |
2465 | ||
1f0dc59a AS |
2466 | memset(&sta_info_le, 0, sizeof(sta_info_le)); |
2467 | memcpy(&sta_info_le, mac, ETH_ALEN); | |
2468 | err = brcmf_fil_iovar_data_get(ifp, "tdls_sta_info", | |
2469 | &sta_info_le, | |
2470 | sizeof(sta_info_le)); | |
2471 | is_tdls_peer = !err; | |
2472 | if (err) { | |
0abb5f21 | 2473 | err = brcmf_fil_iovar_data_get(ifp, "sta_info", |
ac24be6f | 2474 | &sta_info_le, |
81f5dcb8 | 2475 | sizeof(sta_info_le)); |
1a873342 | 2476 | if (err < 0) { |
57d6e91a | 2477 | brcmf_err("GET STA INFO failed, %d\n", err); |
1a873342 HM |
2478 | goto done; |
2479 | } | |
1f0dc59a AS |
2480 | } |
2481 | brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver)); | |
2482 | sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME); | |
2483 | sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000; | |
2484 | sta_flags = le32_to_cpu(sta_info_le.flags); | |
2485 | brcmf_convert_sta_flags(sta_flags, sinfo); | |
2486 | sinfo->sta_flags.mask |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
2487 | if (is_tdls_peer) | |
2488 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
2489 | else | |
2490 | sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
2491 | if (sta_flags & BRCMF_STA_ASSOC) { | |
2492 | sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME); | |
2493 | sinfo->connected_time = le32_to_cpu(sta_info_le.in); | |
2494 | brcmf_fill_bss_param(ifp, sinfo); | |
2495 | } | |
2496 | if (sta_flags & BRCMF_STA_SCBSTATS) { | |
2497 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED); | |
2498 | sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures); | |
2499 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS); | |
2500 | sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts); | |
2501 | sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts); | |
2502 | sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS); | |
2503 | sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts); | |
2504 | sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts); | |
2505 | if (sinfo->tx_packets) { | |
319090bf | 2506 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); |
1f0dc59a AS |
2507 | sinfo->txrate.legacy = le32_to_cpu(sta_info_le.tx_rate); |
2508 | sinfo->txrate.legacy /= 100; | |
7f6c562d | 2509 | } |
1f0dc59a AS |
2510 | if (sinfo->rx_packets) { |
2511 | sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); | |
2512 | sinfo->rxrate.legacy = le32_to_cpu(sta_info_le.rx_rate); | |
2513 | sinfo->rxrate.legacy /= 100; | |
1a873342 | 2514 | } |
1f0dc59a AS |
2515 | if (le16_to_cpu(sta_info_le.ver) >= 4) { |
2516 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES); | |
2517 | sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes); | |
2518 | sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES); | |
2519 | sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes); | |
2520 | } | |
2521 | } | |
5b435de0 | 2522 | done: |
d96b801f | 2523 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
2524 | return err; |
2525 | } | |
2526 | ||
2527 | static s32 | |
2528 | brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, | |
2529 | bool enabled, s32 timeout) | |
2530 | { | |
2531 | s32 pm; | |
2532 | s32 err = 0; | |
27a68fe3 | 2533 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
c1179033 | 2534 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 2535 | |
d96b801f | 2536 | brcmf_dbg(TRACE, "Enter\n"); |
5b435de0 AS |
2537 | |
2538 | /* | |
2539 | * Powersave enable/disable request is coming from the | |
2540 | * cfg80211 even before the interface is up. In that | |
2541 | * scenario, driver will be storing the power save | |
27a68fe3 | 2542 | * preference in cfg struct to apply this to |
5b435de0 AS |
2543 | * FW later while initializing the dongle |
2544 | */ | |
27a68fe3 | 2545 | cfg->pwr_save = enabled; |
ce81e317 | 2546 | if (!check_vif_up(ifp->vif)) { |
5b435de0 | 2547 | |
647c9ae0 | 2548 | brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n"); |
5b435de0 AS |
2549 | goto done; |
2550 | } | |
2551 | ||
2552 | pm = enabled ? PM_FAST : PM_OFF; | |
102fd0d6 HM |
2553 | /* Do not enable the power save after assoc if it is a p2p interface */ |
2554 | if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) { | |
2555 | brcmf_dbg(INFO, "Do not enable power save for P2P clients\n"); | |
2556 | pm = PM_OFF; | |
2557 | } | |
647c9ae0 | 2558 | brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled")); |
5b435de0 | 2559 | |
c1179033 | 2560 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm); |
5b435de0 AS |
2561 | if (err) { |
2562 | if (err == -ENODEV) | |
57d6e91a | 2563 | brcmf_err("net_device is not ready yet\n"); |
5b435de0 | 2564 | else |
57d6e91a | 2565 | brcmf_err("error (%d)\n", err); |
5b435de0 AS |
2566 | } |
2567 | done: | |
d96b801f | 2568 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
2569 | return err; |
2570 | } | |
2571 | ||
27a68fe3 | 2572 | static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, |
d34bf64f | 2573 | struct brcmf_bss_info_le *bi) |
5b435de0 | 2574 | { |
27a68fe3 | 2575 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
5b435de0 AS |
2576 | struct ieee80211_channel *notify_channel; |
2577 | struct cfg80211_bss *bss; | |
2578 | struct ieee80211_supported_band *band; | |
83cf17aa | 2579 | struct brcmu_chan ch; |
5b435de0 AS |
2580 | u16 channel; |
2581 | u32 freq; | |
5b435de0 AS |
2582 | u16 notify_capability; |
2583 | u16 notify_interval; | |
2584 | u8 *notify_ie; | |
2585 | size_t notify_ielen; | |
2586 | s32 notify_signal; | |
2587 | ||
2588 | if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { | |
57d6e91a | 2589 | brcmf_err("Bss info is larger than buffer. Discarding\n"); |
5b435de0 AS |
2590 | return 0; |
2591 | } | |
2592 | ||
83cf17aa FL |
2593 | if (!bi->ctl_ch) { |
2594 | ch.chspec = le16_to_cpu(bi->chanspec); | |
2595 | cfg->d11inf.decchspec(&ch); | |
2596 | bi->ctl_ch = ch.chnum; | |
2597 | } | |
2598 | channel = bi->ctl_ch; | |
5b435de0 AS |
2599 | |
2600 | if (channel <= CH_MAX_2G_CHANNEL) | |
2601 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; | |
2602 | else | |
2603 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
2604 | ||
2605 | freq = ieee80211_channel_to_frequency(channel, band->band); | |
2606 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
2607 | ||
5b435de0 AS |
2608 | notify_capability = le16_to_cpu(bi->capability); |
2609 | notify_interval = le16_to_cpu(bi->beacon_period); | |
2610 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); | |
2611 | notify_ielen = le32_to_cpu(bi->ie_length); | |
2612 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; | |
2613 | ||
16886735 AS |
2614 | brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID); |
2615 | brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq); | |
2616 | brcmf_dbg(CONN, "Capability: %X\n", notify_capability); | |
2617 | brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval); | |
2618 | brcmf_dbg(CONN, "Signal: %d\n", notify_signal); | |
5b435de0 | 2619 | |
5bc8c1f2 JB |
2620 | bss = cfg80211_inform_bss(wiphy, notify_channel, |
2621 | CFG80211_BSS_FTYPE_UNKNOWN, | |
2622 | (const u8 *)bi->BSSID, | |
2623 | 0, notify_capability, | |
2624 | notify_interval, notify_ie, | |
2625 | notify_ielen, notify_signal, | |
2626 | GFP_KERNEL); | |
5b435de0 | 2627 | |
e78946e1 FL |
2628 | if (!bss) |
2629 | return -ENOMEM; | |
2630 | ||
5b112d3d | 2631 | cfg80211_put_bss(wiphy, bss); |
5b435de0 | 2632 | |
12f32370 | 2633 | return 0; |
5b435de0 AS |
2634 | } |
2635 | ||
6f09be0a RV |
2636 | static struct brcmf_bss_info_le * |
2637 | next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss) | |
2638 | { | |
2639 | if (bss == NULL) | |
2640 | return list->bss_info_le; | |
2641 | return (struct brcmf_bss_info_le *)((unsigned long)bss + | |
2642 | le32_to_cpu(bss->length)); | |
2643 | } | |
2644 | ||
27a68fe3 | 2645 | static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
2646 | { |
2647 | struct brcmf_scan_results *bss_list; | |
d34bf64f | 2648 | struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ |
5b435de0 AS |
2649 | s32 err = 0; |
2650 | int i; | |
2651 | ||
ef8596e1 | 2652 | bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; |
0ecd8164 AS |
2653 | if (bss_list->count != 0 && |
2654 | bss_list->version != BRCMF_BSS_INFO_VERSION) { | |
57d6e91a AS |
2655 | brcmf_err("Version %d != WL_BSS_INFO_VERSION\n", |
2656 | bss_list->version); | |
5b435de0 AS |
2657 | return -EOPNOTSUPP; |
2658 | } | |
4e8a008e | 2659 | brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count); |
f0799895 | 2660 | for (i = 0; i < bss_list->count; i++) { |
6f09be0a | 2661 | bi = next_bss_le(bss_list, bi); |
27a68fe3 | 2662 | err = brcmf_inform_single_bss(cfg, bi); |
5b435de0 AS |
2663 | if (err) |
2664 | break; | |
2665 | } | |
2666 | return err; | |
2667 | } | |
2668 | ||
27a68fe3 | 2669 | static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
2670 | struct net_device *ndev, const u8 *bssid) |
2671 | { | |
27a68fe3 | 2672 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
5b435de0 | 2673 | struct ieee80211_channel *notify_channel; |
d34bf64f | 2674 | struct brcmf_bss_info_le *bi = NULL; |
5b435de0 | 2675 | struct ieee80211_supported_band *band; |
e78946e1 | 2676 | struct cfg80211_bss *bss; |
83cf17aa | 2677 | struct brcmu_chan ch; |
5b435de0 AS |
2678 | u8 *buf = NULL; |
2679 | s32 err = 0; | |
5b435de0 | 2680 | u32 freq; |
5b435de0 AS |
2681 | u16 notify_capability; |
2682 | u16 notify_interval; | |
2683 | u8 *notify_ie; | |
2684 | size_t notify_ielen; | |
2685 | s32 notify_signal; | |
2686 | ||
d96b801f | 2687 | brcmf_dbg(TRACE, "Enter\n"); |
5b435de0 AS |
2688 | |
2689 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); | |
2690 | if (buf == NULL) { | |
2691 | err = -ENOMEM; | |
2692 | goto CleanUp; | |
2693 | } | |
2694 | ||
2695 | *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); | |
2696 | ||
ac24be6f AS |
2697 | err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO, |
2698 | buf, WL_BSS_INFO_MAX); | |
5b435de0 | 2699 | if (err) { |
57d6e91a | 2700 | brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err); |
5b435de0 AS |
2701 | goto CleanUp; |
2702 | } | |
2703 | ||
d34bf64f | 2704 | bi = (struct brcmf_bss_info_le *)(buf + 4); |
5b435de0 | 2705 | |
83cf17aa FL |
2706 | ch.chspec = le16_to_cpu(bi->chanspec); |
2707 | cfg->d11inf.decchspec(&ch); | |
5b435de0 | 2708 | |
83cf17aa | 2709 | if (ch.band == BRCMU_CHAN_BAND_2G) |
5b435de0 AS |
2710 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
2711 | else | |
2712 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
2713 | ||
83cf17aa | 2714 | freq = ieee80211_channel_to_frequency(ch.chnum, band->band); |
5b435de0 AS |
2715 | notify_channel = ieee80211_get_channel(wiphy, freq); |
2716 | ||
5b435de0 AS |
2717 | notify_capability = le16_to_cpu(bi->capability); |
2718 | notify_interval = le16_to_cpu(bi->beacon_period); | |
2719 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); | |
2720 | notify_ielen = le32_to_cpu(bi->ie_length); | |
2721 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; | |
2722 | ||
83cf17aa | 2723 | brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq); |
16886735 AS |
2724 | brcmf_dbg(CONN, "capability: %X\n", notify_capability); |
2725 | brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval); | |
2726 | brcmf_dbg(CONN, "signal: %d\n", notify_signal); | |
5b435de0 | 2727 | |
5bc8c1f2 JB |
2728 | bss = cfg80211_inform_bss(wiphy, notify_channel, |
2729 | CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0, | |
2730 | notify_capability, notify_interval, | |
2731 | notify_ie, notify_ielen, notify_signal, | |
2732 | GFP_KERNEL); | |
5b435de0 | 2733 | |
e78946e1 FL |
2734 | if (!bss) { |
2735 | err = -ENOMEM; | |
2736 | goto CleanUp; | |
2737 | } | |
2738 | ||
5b112d3d | 2739 | cfg80211_put_bss(wiphy, bss); |
e78946e1 | 2740 | |
5b435de0 AS |
2741 | CleanUp: |
2742 | ||
2743 | kfree(buf); | |
2744 | ||
d96b801f | 2745 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
2746 | |
2747 | return err; | |
2748 | } | |
2749 | ||
89286dc9 HM |
2750 | static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg, |
2751 | struct brcmf_if *ifp) | |
1a873342 | 2752 | { |
89286dc9 | 2753 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev); |
d34bf64f | 2754 | struct brcmf_bss_info_le *bi; |
5b435de0 | 2755 | struct brcmf_ssid *ssid; |
4b5800fe | 2756 | const struct brcmf_tlv *tim; |
5b435de0 AS |
2757 | u16 beacon_interval; |
2758 | u8 dtim_period; | |
2759 | size_t ie_len; | |
2760 | u8 *ie; | |
2761 | s32 err = 0; | |
2762 | ||
d96b801f | 2763 | brcmf_dbg(TRACE, "Enter\n"); |
128ce3b6 | 2764 | if (brcmf_is_ibssmode(ifp->vif)) |
5b435de0 AS |
2765 | return err; |
2766 | ||
06bb123e | 2767 | ssid = &profile->ssid; |
5b435de0 | 2768 | |
27a68fe3 | 2769 | *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); |
ac24be6f | 2770 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, |
81f5dcb8 | 2771 | cfg->extra_buf, WL_EXTRA_BUF_MAX); |
5b435de0 | 2772 | if (err) { |
57d6e91a | 2773 | brcmf_err("Could not get bss info %d\n", err); |
5b435de0 AS |
2774 | goto update_bss_info_out; |
2775 | } | |
2776 | ||
27a68fe3 AS |
2777 | bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4); |
2778 | err = brcmf_inform_single_bss(cfg, bi); | |
5b435de0 AS |
2779 | if (err) |
2780 | goto update_bss_info_out; | |
2781 | ||
2782 | ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); | |
2783 | ie_len = le32_to_cpu(bi->ie_length); | |
2784 | beacon_interval = le16_to_cpu(bi->beacon_period); | |
2785 | ||
f8e4b412 | 2786 | tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM); |
5b435de0 AS |
2787 | if (tim) |
2788 | dtim_period = tim->data[1]; | |
2789 | else { | |
2790 | /* | |
2791 | * active scan was done so we could not get dtim | |
2792 | * information out of probe response. | |
2793 | * so we speficially query dtim information to dongle. | |
2794 | */ | |
2795 | u32 var; | |
ac24be6f | 2796 | err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var); |
5b435de0 | 2797 | if (err) { |
57d6e91a | 2798 | brcmf_err("wl dtim_assoc failed (%d)\n", err); |
5b435de0 AS |
2799 | goto update_bss_info_out; |
2800 | } | |
2801 | dtim_period = (u8)var; | |
2802 | } | |
2803 | ||
5b435de0 | 2804 | update_bss_info_out: |
d96b801f | 2805 | brcmf_dbg(TRACE, "Exit"); |
5b435de0 AS |
2806 | return err; |
2807 | } | |
2808 | ||
18e2f61d | 2809 | void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2810 | { |
27a68fe3 | 2811 | struct escan_info *escan = &cfg->escan_info; |
5b435de0 | 2812 | |
c1179033 | 2813 | set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); |
f0799895 | 2814 | if (cfg->scan_request) { |
108a4bee | 2815 | escan->escan_state = WL_ESCAN_STATE_IDLE; |
a0f472ac | 2816 | brcmf_notify_escan_complete(cfg, escan->ifp, true, true); |
5b435de0 | 2817 | } |
c1179033 AS |
2818 | clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
2819 | clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); | |
5b435de0 AS |
2820 | } |
2821 | ||
e756af5b HM |
2822 | static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) |
2823 | { | |
27a68fe3 AS |
2824 | struct brcmf_cfg80211_info *cfg = |
2825 | container_of(work, struct brcmf_cfg80211_info, | |
e756af5b HM |
2826 | escan_timeout_work); |
2827 | ||
ef8596e1 | 2828 | brcmf_inform_bss(cfg); |
a0f472ac | 2829 | brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true); |
e756af5b HM |
2830 | } |
2831 | ||
2832 | static void brcmf_escan_timeout(unsigned long data) | |
2833 | { | |
27a68fe3 AS |
2834 | struct brcmf_cfg80211_info *cfg = |
2835 | (struct brcmf_cfg80211_info *)data; | |
e756af5b | 2836 | |
27a68fe3 | 2837 | if (cfg->scan_request) { |
57d6e91a | 2838 | brcmf_err("timer expired\n"); |
f0799895 | 2839 | schedule_work(&cfg->escan_timeout_work); |
e756af5b HM |
2840 | } |
2841 | } | |
2842 | ||
2843 | static s32 | |
83cf17aa FL |
2844 | brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg, |
2845 | struct brcmf_bss_info_le *bss, | |
e756af5b HM |
2846 | struct brcmf_bss_info_le *bss_info_le) |
2847 | { | |
83cf17aa FL |
2848 | struct brcmu_chan ch_bss, ch_bss_info_le; |
2849 | ||
2850 | ch_bss.chspec = le16_to_cpu(bss->chanspec); | |
2851 | cfg->d11inf.decchspec(&ch_bss); | |
2852 | ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec); | |
2853 | cfg->d11inf.decchspec(&ch_bss_info_le); | |
2854 | ||
e756af5b | 2855 | if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && |
83cf17aa | 2856 | ch_bss.band == ch_bss_info_le.band && |
e756af5b HM |
2857 | bss_info_le->SSID_len == bss->SSID_len && |
2858 | !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { | |
6f5838a4 AS |
2859 | if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == |
2860 | (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) { | |
029591f3 AS |
2861 | s16 bss_rssi = le16_to_cpu(bss->RSSI); |
2862 | s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI); | |
2863 | ||
e756af5b HM |
2864 | /* preserve max RSSI if the measurements are |
2865 | * both on-channel or both off-channel | |
2866 | */ | |
029591f3 | 2867 | if (bss_info_rssi > bss_rssi) |
e756af5b | 2868 | bss->RSSI = bss_info_le->RSSI; |
6f5838a4 AS |
2869 | } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) && |
2870 | (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) { | |
e756af5b HM |
2871 | /* preserve the on-channel rssi measurement |
2872 | * if the new measurement is off channel | |
2873 | */ | |
2874 | bss->RSSI = bss_info_le->RSSI; | |
6f5838a4 | 2875 | bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL; |
e756af5b HM |
2876 | } |
2877 | return 1; | |
2878 | } | |
2879 | return 0; | |
2880 | } | |
2881 | ||
2882 | static s32 | |
1993732e | 2883 | brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, |
e756af5b HM |
2884 | const struct brcmf_event_msg *e, void *data) |
2885 | { | |
1993732e | 2886 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
e756af5b | 2887 | s32 status; |
e756af5b HM |
2888 | struct brcmf_escan_result_le *escan_result_le; |
2889 | struct brcmf_bss_info_le *bss_info_le; | |
2890 | struct brcmf_bss_info_le *bss = NULL; | |
2891 | u32 bi_length; | |
2892 | struct brcmf_scan_results *list; | |
2893 | u32 i; | |
97ed15c7 | 2894 | bool aborted; |
e756af5b | 2895 | |
5c36b99a | 2896 | status = e->status; |
e756af5b | 2897 | |
a0f472ac AS |
2898 | if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { |
2899 | brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx); | |
e756af5b HM |
2900 | return -EPERM; |
2901 | } | |
2902 | ||
2903 | if (status == BRCMF_E_STATUS_PARTIAL) { | |
4e8a008e | 2904 | brcmf_dbg(SCAN, "ESCAN Partial result\n"); |
e756af5b HM |
2905 | escan_result_le = (struct brcmf_escan_result_le *) data; |
2906 | if (!escan_result_le) { | |
57d6e91a | 2907 | brcmf_err("Invalid escan result (NULL pointer)\n"); |
e756af5b HM |
2908 | goto exit; |
2909 | } | |
e756af5b | 2910 | if (le16_to_cpu(escan_result_le->bss_count) != 1) { |
57d6e91a AS |
2911 | brcmf_err("Invalid bss_count %d: ignoring\n", |
2912 | escan_result_le->bss_count); | |
e756af5b HM |
2913 | goto exit; |
2914 | } | |
2915 | bss_info_le = &escan_result_le->bss_info_le; | |
2916 | ||
6eda4e2c HM |
2917 | if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le)) |
2918 | goto exit; | |
2919 | ||
2920 | if (!cfg->scan_request) { | |
2921 | brcmf_dbg(SCAN, "result without cfg80211 request\n"); | |
2922 | goto exit; | |
2923 | } | |
2924 | ||
e756af5b HM |
2925 | bi_length = le32_to_cpu(bss_info_le->length); |
2926 | if (bi_length != (le32_to_cpu(escan_result_le->buflen) - | |
2927 | WL_ESCAN_RESULTS_FIXED_SIZE)) { | |
57d6e91a AS |
2928 | brcmf_err("Invalid bss_info length %d: ignoring\n", |
2929 | bi_length); | |
e756af5b HM |
2930 | goto exit; |
2931 | } | |
2932 | ||
27a68fe3 | 2933 | if (!(cfg_to_wiphy(cfg)->interface_modes & |
e756af5b HM |
2934 | BIT(NL80211_IFTYPE_ADHOC))) { |
2935 | if (le16_to_cpu(bss_info_le->capability) & | |
2936 | WLAN_CAPABILITY_IBSS) { | |
57d6e91a | 2937 | brcmf_err("Ignoring IBSS result\n"); |
e756af5b HM |
2938 | goto exit; |
2939 | } | |
2940 | } | |
2941 | ||
2942 | list = (struct brcmf_scan_results *) | |
27a68fe3 | 2943 | cfg->escan_info.escan_buf; |
e756af5b | 2944 | if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) { |
57d6e91a | 2945 | brcmf_err("Buffer is too small: ignoring\n"); |
e756af5b HM |
2946 | goto exit; |
2947 | } | |
2948 | ||
2949 | for (i = 0; i < list->count; i++) { | |
2950 | bss = bss ? (struct brcmf_bss_info_le *) | |
2951 | ((unsigned char *)bss + | |
2952 | le32_to_cpu(bss->length)) : list->bss_info_le; | |
83cf17aa FL |
2953 | if (brcmf_compare_update_same_bss(cfg, bss, |
2954 | bss_info_le)) | |
e756af5b HM |
2955 | goto exit; |
2956 | } | |
27a68fe3 | 2957 | memcpy(&(cfg->escan_info.escan_buf[list->buflen]), |
e756af5b HM |
2958 | bss_info_le, bi_length); |
2959 | list->version = le32_to_cpu(bss_info_le->version); | |
2960 | list->buflen += bi_length; | |
2961 | list->count++; | |
2962 | } else { | |
27a68fe3 | 2963 | cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
6eda4e2c HM |
2964 | if (brcmf_p2p_scan_finding_common_channel(cfg, NULL)) |
2965 | goto exit; | |
27a68fe3 | 2966 | if (cfg->scan_request) { |
27a68fe3 | 2967 | brcmf_inform_bss(cfg); |
97ed15c7 | 2968 | aborted = status != BRCMF_E_STATUS_SUCCESS; |
ef8596e1 | 2969 | brcmf_notify_escan_complete(cfg, ifp, aborted, false); |
e756af5b | 2970 | } else |
6eda4e2c HM |
2971 | brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", |
2972 | status); | |
e756af5b HM |
2973 | } |
2974 | exit: | |
12f32370 | 2975 | return 0; |
e756af5b HM |
2976 | } |
2977 | ||
27a68fe3 | 2978 | static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg) |
e756af5b | 2979 | { |
5c36b99a AS |
2980 | brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT, |
2981 | brcmf_cfg80211_escan_handler); | |
f0799895 HM |
2982 | cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
2983 | /* Init scan_timeout timer */ | |
2984 | init_timer(&cfg->escan_timeout); | |
2985 | cfg->escan_timeout.data = (unsigned long) cfg; | |
2986 | cfg->escan_timeout.function = brcmf_escan_timeout; | |
2987 | INIT_WORK(&cfg->escan_timeout_work, | |
2988 | brcmf_cfg80211_escan_timeout_worker); | |
e756af5b HM |
2989 | } |
2990 | ||
5addc0de | 2991 | static __always_inline void brcmf_delay(u32 ms) |
5b435de0 AS |
2992 | { |
2993 | if (ms < 1000 / HZ) { | |
2994 | cond_resched(); | |
2995 | mdelay(ms); | |
2996 | } else { | |
2997 | msleep(ms); | |
2998 | } | |
2999 | } | |
3000 | ||
b9a82f89 HM |
3001 | static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4], |
3002 | u8 *pattern, u32 patternsize, u8 *mask, | |
3003 | u32 packet_offset) | |
3004 | { | |
3005 | struct brcmf_fil_wowl_pattern_le *filter; | |
3006 | u32 masksize; | |
3007 | u32 patternoffset; | |
3008 | u8 *buf; | |
3009 | u32 bufsize; | |
3010 | s32 ret; | |
3011 | ||
3012 | masksize = (patternsize + 7) / 8; | |
3013 | patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize; | |
3014 | ||
3015 | bufsize = sizeof(*filter) + patternsize + masksize; | |
3016 | buf = kzalloc(bufsize, GFP_KERNEL); | |
3017 | if (!buf) | |
3018 | return -ENOMEM; | |
3019 | filter = (struct brcmf_fil_wowl_pattern_le *)buf; | |
3020 | ||
3021 | memcpy(filter->cmd, cmd, 4); | |
3022 | filter->masksize = cpu_to_le32(masksize); | |
3023 | filter->offset = cpu_to_le32(packet_offset); | |
3024 | filter->patternoffset = cpu_to_le32(patternoffset); | |
3025 | filter->patternsize = cpu_to_le32(patternsize); | |
3026 | filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP); | |
3027 | ||
3028 | if ((mask) && (masksize)) | |
3029 | memcpy(buf + sizeof(*filter), mask, masksize); | |
3030 | if ((pattern) && (patternsize)) | |
3031 | memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize); | |
3032 | ||
3033 | ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize); | |
3034 | ||
3035 | kfree(buf); | |
3036 | return ret; | |
3037 | } | |
3038 | ||
5b435de0 AS |
3039 | static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) |
3040 | { | |
4eb3af7c HM |
3041 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
3042 | struct net_device *ndev = cfg_to_ndev(cfg); | |
3043 | struct brcmf_if *ifp = netdev_priv(ndev); | |
3044 | ||
d96b801f | 3045 | brcmf_dbg(TRACE, "Enter\n"); |
5b435de0 | 3046 | |
4eb3af7c | 3047 | if (cfg->wowl_enabled) { |
b9a82f89 | 3048 | brcmf_configure_arp_offload(ifp, true); |
4eb3af7c HM |
3049 | brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, |
3050 | cfg->pre_wowl_pmmode); | |
4eb3af7c | 3051 | brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0); |
b9a82f89 | 3052 | brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0); |
4eb3af7c HM |
3053 | cfg->wowl_enabled = false; |
3054 | } | |
5b435de0 AS |
3055 | return 0; |
3056 | } | |
3057 | ||
4eb3af7c HM |
3058 | static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg, |
3059 | struct brcmf_if *ifp, | |
3060 | struct cfg80211_wowlan *wowl) | |
3061 | { | |
3062 | u32 wowl_config; | |
b9a82f89 | 3063 | u32 i; |
4eb3af7c HM |
3064 | |
3065 | brcmf_dbg(TRACE, "Suspend, wowl config.\n"); | |
3066 | ||
b9a82f89 | 3067 | brcmf_configure_arp_offload(ifp, false); |
4eb3af7c HM |
3068 | brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode); |
3069 | brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX); | |
3070 | ||
3071 | wowl_config = 0; | |
3072 | if (wowl->disconnect) | |
b9a82f89 | 3073 | wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR; |
4eb3af7c | 3074 | if (wowl->magic_pkt) |
b9a82f89 HM |
3075 | wowl_config |= BRCMF_WOWL_MAGIC; |
3076 | if ((wowl->patterns) && (wowl->n_patterns)) { | |
3077 | wowl_config |= BRCMF_WOWL_NET; | |
3078 | for (i = 0; i < wowl->n_patterns; i++) { | |
3079 | brcmf_config_wowl_pattern(ifp, "add", | |
3080 | (u8 *)wowl->patterns[i].pattern, | |
3081 | wowl->patterns[i].pattern_len, | |
3082 | (u8 *)wowl->patterns[i].mask, | |
3083 | wowl->patterns[i].pkt_offset); | |
3084 | } | |
3085 | } | |
4eb3af7c HM |
3086 | brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config); |
3087 | brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1); | |
3088 | brcmf_bus_wowl_config(cfg->pub->bus_if, true); | |
3089 | cfg->wowl_enabled = true; | |
3090 | } | |
3091 | ||
5b435de0 | 3092 | static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, |
4eb3af7c | 3093 | struct cfg80211_wowlan *wowl) |
5b435de0 | 3094 | { |
27a68fe3 AS |
3095 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
3096 | struct net_device *ndev = cfg_to_ndev(cfg); | |
4eb3af7c | 3097 | struct brcmf_if *ifp = netdev_priv(ndev); |
7d641072 | 3098 | struct brcmf_cfg80211_vif *vif; |
5b435de0 | 3099 | |
d96b801f | 3100 | brcmf_dbg(TRACE, "Enter\n"); |
5b435de0 | 3101 | |
4eb3af7c | 3102 | /* if the primary net_device is not READY there is nothing |
7d641072 | 3103 | * we can do but pray resume goes smoothly. |
5b435de0 | 3104 | */ |
4eb3af7c | 3105 | if (!check_vif_up(ifp->vif)) |
7d641072 | 3106 | goto exit; |
5b435de0 | 3107 | |
7d641072 AS |
3108 | /* end any scanning */ |
3109 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) | |
27a68fe3 | 3110 | brcmf_abort_scanning(cfg); |
5b435de0 | 3111 | |
4eb3af7c HM |
3112 | if (wowl == NULL) { |
3113 | brcmf_bus_wowl_config(cfg->pub->bus_if, false); | |
3114 | list_for_each_entry(vif, &cfg->vif_list, list) { | |
3115 | if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) | |
3116 | continue; | |
3117 | /* While going to suspend if associated with AP | |
3118 | * disassociate from AP to save power while system is | |
3119 | * in suspended state | |
3120 | */ | |
9b7a0ddc | 3121 | brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED); |
4eb3af7c HM |
3122 | /* Make sure WPA_Supplicant receives all the event |
3123 | * generated due to DISASSOC call to the fw to keep | |
3124 | * the state fw and WPA_Supplicant state consistent | |
3125 | */ | |
3126 | brcmf_delay(500); | |
3127 | } | |
3128 | /* Configure MPC */ | |
3129 | brcmf_set_mpc(ifp, 1); | |
3130 | ||
3131 | } else { | |
3132 | /* Configure WOWL paramaters */ | |
3133 | brcmf_configure_wowl(cfg, ifp, wowl); | |
3134 | } | |
5b435de0 | 3135 | |
7d641072 | 3136 | exit: |
d96b801f | 3137 | brcmf_dbg(TRACE, "Exit\n"); |
7d641072 AS |
3138 | /* clear any scanning activity */ |
3139 | cfg->scan_status = 0; | |
5b435de0 AS |
3140 | return 0; |
3141 | } | |
3142 | ||
5b435de0 AS |
3143 | static __used s32 |
3144 | brcmf_update_pmklist(struct net_device *ndev, | |
3145 | struct brcmf_cfg80211_pmk_list *pmk_list, s32 err) | |
3146 | { | |
3147 | int i, j; | |
c15d789e | 3148 | u32 pmkid_len; |
5b435de0 | 3149 | |
40c8e95a AS |
3150 | pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid); |
3151 | ||
16886735 | 3152 | brcmf_dbg(CONN, "No of elements %d\n", pmkid_len); |
40c8e95a | 3153 | for (i = 0; i < pmkid_len; i++) { |
16886735 AS |
3154 | brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i, |
3155 | &pmk_list->pmkids.pmkid[i].BSSID); | |
5b435de0 | 3156 | for (j = 0; j < WLAN_PMKID_LEN; j++) |
16886735 AS |
3157 | brcmf_dbg(CONN, "%02x\n", |
3158 | pmk_list->pmkids.pmkid[i].PMKID[j]); | |
5b435de0 AS |
3159 | } |
3160 | ||
3161 | if (!err) | |
ac24be6f AS |
3162 | brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info", |
3163 | (char *)pmk_list, sizeof(*pmk_list)); | |
5b435de0 AS |
3164 | |
3165 | return err; | |
3166 | } | |
3167 | ||
3168 | static s32 | |
3169 | brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, | |
3170 | struct cfg80211_pmksa *pmksa) | |
3171 | { | |
27a68fe3 | 3172 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
0abb5f21 | 3173 | struct brcmf_if *ifp = netdev_priv(ndev); |
27a68fe3 | 3174 | struct pmkid_list *pmkids = &cfg->pmk_list->pmkids; |
5b435de0 | 3175 | s32 err = 0; |
c15d789e | 3176 | u32 pmkid_len, i; |
5b435de0 | 3177 | |
d96b801f | 3178 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 3179 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
3180 | return -EIO; |
3181 | ||
40c8e95a AS |
3182 | pmkid_len = le32_to_cpu(pmkids->npmkid); |
3183 | for (i = 0; i < pmkid_len; i++) | |
5b435de0 AS |
3184 | if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN)) |
3185 | break; | |
3186 | if (i < WL_NUM_PMKIDS_MAX) { | |
3187 | memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN); | |
3188 | memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); | |
40c8e95a AS |
3189 | if (i == pmkid_len) { |
3190 | pmkid_len++; | |
3191 | pmkids->npmkid = cpu_to_le32(pmkid_len); | |
3192 | } | |
5b435de0 AS |
3193 | } else |
3194 | err = -EINVAL; | |
3195 | ||
16886735 AS |
3196 | brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", |
3197 | pmkids->pmkid[pmkid_len].BSSID); | |
5b435de0 | 3198 | for (i = 0; i < WLAN_PMKID_LEN; i++) |
16886735 | 3199 | brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]); |
5b435de0 | 3200 | |
27a68fe3 | 3201 | err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); |
5b435de0 | 3202 | |
d96b801f | 3203 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
3204 | return err; |
3205 | } | |
3206 | ||
3207 | static s32 | |
3208 | brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, | |
3209 | struct cfg80211_pmksa *pmksa) | |
3210 | { | |
27a68fe3 | 3211 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
0abb5f21 | 3212 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 AS |
3213 | struct pmkid_list pmkid; |
3214 | s32 err = 0; | |
c15d789e | 3215 | u32 pmkid_len, i; |
5b435de0 | 3216 | |
d96b801f | 3217 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 3218 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
3219 | return -EIO; |
3220 | ||
3221 | memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN); | |
3222 | memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); | |
3223 | ||
16886735 AS |
3224 | brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", |
3225 | &pmkid.pmkid[0].BSSID); | |
5b435de0 | 3226 | for (i = 0; i < WLAN_PMKID_LEN; i++) |
16886735 | 3227 | brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]); |
5b435de0 | 3228 | |
27a68fe3 | 3229 | pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid); |
40c8e95a | 3230 | for (i = 0; i < pmkid_len; i++) |
5b435de0 | 3231 | if (!memcmp |
27a68fe3 | 3232 | (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID, |
5b435de0 AS |
3233 | ETH_ALEN)) |
3234 | break; | |
3235 | ||
40c8e95a AS |
3236 | if ((pmkid_len > 0) |
3237 | && (i < pmkid_len)) { | |
27a68fe3 | 3238 | memset(&cfg->pmk_list->pmkids.pmkid[i], 0, |
5b435de0 | 3239 | sizeof(struct pmkid)); |
40c8e95a | 3240 | for (; i < (pmkid_len - 1); i++) { |
27a68fe3 AS |
3241 | memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID, |
3242 | &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID, | |
5b435de0 | 3243 | ETH_ALEN); |
27a68fe3 AS |
3244 | memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID, |
3245 | &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID, | |
5b435de0 AS |
3246 | WLAN_PMKID_LEN); |
3247 | } | |
27a68fe3 | 3248 | cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1); |
5b435de0 AS |
3249 | } else |
3250 | err = -EINVAL; | |
3251 | ||
27a68fe3 | 3252 | err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); |
5b435de0 | 3253 | |
d96b801f | 3254 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
3255 | return err; |
3256 | ||
3257 | } | |
3258 | ||
3259 | static s32 | |
3260 | brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) | |
3261 | { | |
27a68fe3 | 3262 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
0abb5f21 | 3263 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 AS |
3264 | s32 err = 0; |
3265 | ||
d96b801f | 3266 | brcmf_dbg(TRACE, "Enter\n"); |
ce81e317 | 3267 | if (!check_vif_up(ifp->vif)) |
5b435de0 AS |
3268 | return -EIO; |
3269 | ||
27a68fe3 AS |
3270 | memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list)); |
3271 | err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); | |
5b435de0 | 3272 | |
d96b801f | 3273 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
3274 | return err; |
3275 | ||
3276 | } | |
3277 | ||
e5806072 AS |
3278 | /* |
3279 | * PFN result doesn't have all the info which are | |
3280 | * required by the supplicant | |
3281 | * (For e.g IEs) Do a target Escan so that sched scan results are reported | |
3282 | * via wl_inform_single_bss in the required format. Escan does require the | |
3283 | * scan request in the form of cfg80211_scan_request. For timebeing, create | |
3284 | * cfg80211_scan_request one out of the received PNO event. | |
3285 | */ | |
3286 | static s32 | |
1993732e | 3287 | brcmf_notify_sched_scan_results(struct brcmf_if *ifp, |
e5806072 AS |
3288 | const struct brcmf_event_msg *e, void *data) |
3289 | { | |
1993732e | 3290 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
e5806072 AS |
3291 | struct brcmf_pno_net_info_le *netinfo, *netinfo_start; |
3292 | struct cfg80211_scan_request *request = NULL; | |
3293 | struct cfg80211_ssid *ssid = NULL; | |
3294 | struct ieee80211_channel *channel = NULL; | |
27a68fe3 | 3295 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
e5806072 AS |
3296 | int err = 0; |
3297 | int channel_req = 0; | |
3298 | int band = 0; | |
3299 | struct brcmf_pno_scanresults_le *pfn_result; | |
3300 | u32 result_count; | |
3301 | u32 status; | |
3302 | ||
4e8a008e | 3303 | brcmf_dbg(SCAN, "Enter\n"); |
e5806072 | 3304 | |
5c36b99a | 3305 | if (e->event_code == BRCMF_E_PFN_NET_LOST) { |
4e8a008e | 3306 | brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n"); |
e5806072 AS |
3307 | return 0; |
3308 | } | |
3309 | ||
3310 | pfn_result = (struct brcmf_pno_scanresults_le *)data; | |
3311 | result_count = le32_to_cpu(pfn_result->count); | |
3312 | status = le32_to_cpu(pfn_result->status); | |
3313 | ||
3314 | /* | |
3315 | * PFN event is limited to fit 512 bytes so we may get | |
3316 | * multiple NET_FOUND events. For now place a warning here. | |
3317 | */ | |
3318 | WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE); | |
4e8a008e | 3319 | brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count); |
e5806072 AS |
3320 | if (result_count > 0) { |
3321 | int i; | |
3322 | ||
3323 | request = kzalloc(sizeof(*request), GFP_KERNEL); | |
58901d18 DC |
3324 | ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL); |
3325 | channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL); | |
e5806072 AS |
3326 | if (!request || !ssid || !channel) { |
3327 | err = -ENOMEM; | |
3328 | goto out_err; | |
3329 | } | |
3330 | ||
3331 | request->wiphy = wiphy; | |
3332 | data += sizeof(struct brcmf_pno_scanresults_le); | |
3333 | netinfo_start = (struct brcmf_pno_net_info_le *)data; | |
3334 | ||
3335 | for (i = 0; i < result_count; i++) { | |
3336 | netinfo = &netinfo_start[i]; | |
3337 | if (!netinfo) { | |
57d6e91a AS |
3338 | brcmf_err("Invalid netinfo ptr. index: %d\n", |
3339 | i); | |
e5806072 AS |
3340 | err = -EINVAL; |
3341 | goto out_err; | |
3342 | } | |
3343 | ||
4e8a008e AS |
3344 | brcmf_dbg(SCAN, "SSID:%s Channel:%d\n", |
3345 | netinfo->SSID, netinfo->channel); | |
e5806072 AS |
3346 | memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len); |
3347 | ssid[i].ssid_len = netinfo->SSID_len; | |
3348 | request->n_ssids++; | |
3349 | ||
3350 | channel_req = netinfo->channel; | |
3351 | if (channel_req <= CH_MAX_2G_CHANNEL) | |
3352 | band = NL80211_BAND_2GHZ; | |
3353 | else | |
3354 | band = NL80211_BAND_5GHZ; | |
3355 | channel[i].center_freq = | |
3356 | ieee80211_channel_to_frequency(channel_req, | |
3357 | band); | |
3358 | channel[i].band = band; | |
3359 | channel[i].flags |= IEEE80211_CHAN_NO_HT40; | |
3360 | request->channels[i] = &channel[i]; | |
3361 | request->n_channels++; | |
3362 | } | |
3363 | ||
3364 | /* assign parsed ssid array */ | |
3365 | if (request->n_ssids) | |
3366 | request->ssids = &ssid[0]; | |
3367 | ||
c1179033 | 3368 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { |
e5806072 | 3369 | /* Abort any on-going scan */ |
27a68fe3 | 3370 | brcmf_abort_scanning(cfg); |
e5806072 AS |
3371 | } |
3372 | ||
c1179033 | 3373 | set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
2668b0b1 | 3374 | cfg->escan_info.run = brcmf_run_escan; |
a0f472ac | 3375 | err = brcmf_do_escan(cfg, wiphy, ifp, request); |
e5806072 | 3376 | if (err) { |
c1179033 | 3377 | clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
e5806072 AS |
3378 | goto out_err; |
3379 | } | |
27a68fe3 AS |
3380 | cfg->sched_escan = true; |
3381 | cfg->scan_request = request; | |
e5806072 | 3382 | } else { |
57d6e91a | 3383 | brcmf_err("FALSE PNO Event. (pfn_count == 0)\n"); |
e5806072 AS |
3384 | goto out_err; |
3385 | } | |
3386 | ||
3387 | kfree(ssid); | |
3388 | kfree(channel); | |
3389 | kfree(request); | |
3390 | return 0; | |
3391 | ||
3392 | out_err: | |
3393 | kfree(ssid); | |
3394 | kfree(channel); | |
3395 | kfree(request); | |
3396 | cfg80211_sched_scan_stopped(wiphy); | |
3397 | return err; | |
3398 | } | |
3399 | ||
e5806072 AS |
3400 | static int brcmf_dev_pno_clean(struct net_device *ndev) |
3401 | { | |
e5806072 AS |
3402 | int ret; |
3403 | ||
3404 | /* Disable pfn */ | |
ac24be6f | 3405 | ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0); |
e5806072 AS |
3406 | if (ret == 0) { |
3407 | /* clear pfn */ | |
ac24be6f AS |
3408 | ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear", |
3409 | NULL, 0); | |
e5806072 AS |
3410 | } |
3411 | if (ret < 0) | |
57d6e91a | 3412 | brcmf_err("failed code %d\n", ret); |
e5806072 AS |
3413 | |
3414 | return ret; | |
3415 | } | |
3416 | ||
3417 | static int brcmf_dev_pno_config(struct net_device *ndev) | |
3418 | { | |
3419 | struct brcmf_pno_param_le pfn_param; | |
e5806072 AS |
3420 | |
3421 | memset(&pfn_param, 0, sizeof(pfn_param)); | |
3422 | pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION); | |
3423 | ||
3424 | /* set extra pno params */ | |
3425 | pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT); | |
3426 | pfn_param.repeat = BRCMF_PNO_REPEAT; | |
3427 | pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX; | |
3428 | ||
3429 | /* set up pno scan fr */ | |
3430 | pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME); | |
3431 | ||
ac24be6f AS |
3432 | return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set", |
3433 | &pfn_param, sizeof(pfn_param)); | |
e5806072 AS |
3434 | } |
3435 | ||
3436 | static int | |
3437 | brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, | |
3438 | struct net_device *ndev, | |
3439 | struct cfg80211_sched_scan_request *request) | |
3440 | { | |
c1179033 | 3441 | struct brcmf_if *ifp = netdev_priv(ndev); |
27a68fe3 | 3442 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
e5806072 AS |
3443 | struct brcmf_pno_net_param_le pfn; |
3444 | int i; | |
3445 | int ret = 0; | |
3446 | ||
dc7bdbf1 | 3447 | brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n", |
4e8a008e | 3448 | request->n_match_sets, request->n_ssids); |
c1179033 | 3449 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { |
57d6e91a | 3450 | brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); |
e5806072 AS |
3451 | return -EAGAIN; |
3452 | } | |
1687eee2 AS |
3453 | if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { |
3454 | brcmf_err("Scanning suppressed: status (%lu)\n", | |
3455 | cfg->scan_status); | |
3456 | return -EAGAIN; | |
3457 | } | |
e5806072 | 3458 | |
dc7bdbf1 | 3459 | if (!request->n_ssids || !request->n_match_sets) { |
181f2d17 | 3460 | brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n", |
dc7bdbf1 | 3461 | request->n_ssids); |
e5806072 AS |
3462 | return -EINVAL; |
3463 | } | |
3464 | ||
3465 | if (request->n_ssids > 0) { | |
3466 | for (i = 0; i < request->n_ssids; i++) { | |
3467 | /* Active scan req for ssids */ | |
4e8a008e AS |
3468 | brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n", |
3469 | request->ssids[i].ssid); | |
e5806072 AS |
3470 | |
3471 | /* | |
3472 | * match_set ssids is a supert set of n_ssid list, | |
3473 | * so we need not add these set seperately. | |
3474 | */ | |
3475 | } | |
3476 | } | |
3477 | ||
3478 | if (request->n_match_sets > 0) { | |
3479 | /* clean up everything */ | |
3480 | ret = brcmf_dev_pno_clean(ndev); | |
3481 | if (ret < 0) { | |
57d6e91a | 3482 | brcmf_err("failed error=%d\n", ret); |
e5806072 AS |
3483 | return ret; |
3484 | } | |
3485 | ||
3486 | /* configure pno */ | |
3487 | ret = brcmf_dev_pno_config(ndev); | |
3488 | if (ret < 0) { | |
57d6e91a | 3489 | brcmf_err("PNO setup failed!! ret=%d\n", ret); |
e5806072 AS |
3490 | return -EINVAL; |
3491 | } | |
3492 | ||
3493 | /* configure each match set */ | |
3494 | for (i = 0; i < request->n_match_sets; i++) { | |
3495 | struct cfg80211_ssid *ssid; | |
3496 | u32 ssid_len; | |
3497 | ||
3498 | ssid = &request->match_sets[i].ssid; | |
3499 | ssid_len = ssid->ssid_len; | |
3500 | ||
3501 | if (!ssid_len) { | |
57d6e91a | 3502 | brcmf_err("skip broadcast ssid\n"); |
e5806072 AS |
3503 | continue; |
3504 | } | |
3505 | pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN); | |
3506 | pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY); | |
3507 | pfn.wsec = cpu_to_le32(0); | |
3508 | pfn.infra = cpu_to_le32(1); | |
3509 | pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT); | |
3510 | pfn.ssid.SSID_len = cpu_to_le32(ssid_len); | |
3511 | memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len); | |
c1179033 | 3512 | ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn, |
ac24be6f | 3513 | sizeof(pfn)); |
4e8a008e AS |
3514 | brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n", |
3515 | ret == 0 ? "set" : "failed", ssid->ssid); | |
e5806072 AS |
3516 | } |
3517 | /* Enable the PNO */ | |
c1179033 | 3518 | if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) { |
57d6e91a | 3519 | brcmf_err("PNO enable failed!! ret=%d\n", ret); |
e5806072 AS |
3520 | return -EINVAL; |
3521 | } | |
3522 | } else { | |
3523 | return -EINVAL; | |
3524 | } | |
3525 | ||
3526 | return 0; | |
3527 | } | |
3528 | ||
3529 | static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy, | |
3530 | struct net_device *ndev) | |
3531 | { | |
27a68fe3 | 3532 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
e5806072 | 3533 | |
4e8a008e | 3534 | brcmf_dbg(SCAN, "enter\n"); |
e5806072 | 3535 | brcmf_dev_pno_clean(ndev); |
27a68fe3 | 3536 | if (cfg->sched_escan) |
a0f472ac | 3537 | brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true); |
e5806072 AS |
3538 | return 0; |
3539 | } | |
e5806072 | 3540 | |
1f170110 | 3541 | static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp) |
1a873342 HM |
3542 | { |
3543 | s32 err; | |
3544 | ||
3545 | /* set auth */ | |
ac24be6f | 3546 | err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0); |
1a873342 | 3547 | if (err < 0) { |
57d6e91a | 3548 | brcmf_err("auth error %d\n", err); |
1a873342 HM |
3549 | return err; |
3550 | } | |
3551 | /* set wsec */ | |
ac24be6f | 3552 | err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0); |
1a873342 | 3553 | if (err < 0) { |
57d6e91a | 3554 | brcmf_err("wsec error %d\n", err); |
1a873342 HM |
3555 | return err; |
3556 | } | |
3557 | /* set upper-layer auth */ | |
ac24be6f | 3558 | err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE); |
1a873342 | 3559 | if (err < 0) { |
57d6e91a | 3560 | brcmf_err("wpa_auth error %d\n", err); |
1a873342 HM |
3561 | return err; |
3562 | } | |
3563 | ||
3564 | return 0; | |
3565 | } | |
3566 | ||
3567 | static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie) | |
3568 | { | |
3569 | if (is_rsn_ie) | |
3570 | return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0); | |
3571 | ||
3572 | return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0); | |
3573 | } | |
3574 | ||
3575 | static s32 | |
a44aa400 | 3576 | brcmf_configure_wpaie(struct brcmf_if *ifp, |
4b5800fe JB |
3577 | const struct brcmf_vs_tlv *wpa_ie, |
3578 | bool is_rsn_ie) | |
1a873342 HM |
3579 | { |
3580 | u32 auth = 0; /* d11 open authentication */ | |
3581 | u16 count; | |
3582 | s32 err = 0; | |
3583 | s32 len = 0; | |
3584 | u32 i; | |
3585 | u32 wsec; | |
3586 | u32 pval = 0; | |
3587 | u32 gval = 0; | |
3588 | u32 wpa_auth = 0; | |
3589 | u32 offset; | |
3590 | u8 *data; | |
3591 | u16 rsn_cap; | |
3592 | u32 wme_bss_disable; | |
3593 | ||
d96b801f | 3594 | brcmf_dbg(TRACE, "Enter\n"); |
1a873342 HM |
3595 | if (wpa_ie == NULL) |
3596 | goto exit; | |
3597 | ||
3598 | len = wpa_ie->len + TLV_HDR_LEN; | |
3599 | data = (u8 *)wpa_ie; | |
619c5a9a | 3600 | offset = TLV_HDR_LEN; |
1a873342 HM |
3601 | if (!is_rsn_ie) |
3602 | offset += VS_IE_FIXED_HDR_LEN; | |
619c5a9a HM |
3603 | else |
3604 | offset += WPA_IE_VERSION_LEN; | |
1a873342 HM |
3605 | |
3606 | /* check for multicast cipher suite */ | |
3607 | if (offset + WPA_IE_MIN_OUI_LEN > len) { | |
3608 | err = -EINVAL; | |
57d6e91a | 3609 | brcmf_err("no multicast cipher suite\n"); |
1a873342 HM |
3610 | goto exit; |
3611 | } | |
3612 | ||
3613 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { | |
3614 | err = -EINVAL; | |
57d6e91a | 3615 | brcmf_err("ivalid OUI\n"); |
1a873342 HM |
3616 | goto exit; |
3617 | } | |
3618 | offset += TLV_OUI_LEN; | |
3619 | ||
3620 | /* pick up multicast cipher */ | |
3621 | switch (data[offset]) { | |
3622 | case WPA_CIPHER_NONE: | |
3623 | gval = 0; | |
3624 | break; | |
3625 | case WPA_CIPHER_WEP_40: | |
3626 | case WPA_CIPHER_WEP_104: | |
3627 | gval = WEP_ENABLED; | |
3628 | break; | |
3629 | case WPA_CIPHER_TKIP: | |
3630 | gval = TKIP_ENABLED; | |
3631 | break; | |
3632 | case WPA_CIPHER_AES_CCM: | |
3633 | gval = AES_ENABLED; | |
3634 | break; | |
3635 | default: | |
3636 | err = -EINVAL; | |
57d6e91a | 3637 | brcmf_err("Invalid multi cast cipher info\n"); |
1a873342 HM |
3638 | goto exit; |
3639 | } | |
3640 | ||
3641 | offset++; | |
3642 | /* walk thru unicast cipher list and pick up what we recognize */ | |
3643 | count = data[offset] + (data[offset + 1] << 8); | |
3644 | offset += WPA_IE_SUITE_COUNT_LEN; | |
3645 | /* Check for unicast suite(s) */ | |
3646 | if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { | |
3647 | err = -EINVAL; | |
57d6e91a | 3648 | brcmf_err("no unicast cipher suite\n"); |
1a873342 HM |
3649 | goto exit; |
3650 | } | |
3651 | for (i = 0; i < count; i++) { | |
3652 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { | |
3653 | err = -EINVAL; | |
57d6e91a | 3654 | brcmf_err("ivalid OUI\n"); |
1a873342 HM |
3655 | goto exit; |
3656 | } | |
3657 | offset += TLV_OUI_LEN; | |
3658 | switch (data[offset]) { | |
3659 | case WPA_CIPHER_NONE: | |
3660 | break; | |
3661 | case WPA_CIPHER_WEP_40: | |
3662 | case WPA_CIPHER_WEP_104: | |
3663 | pval |= WEP_ENABLED; | |
3664 | break; | |
3665 | case WPA_CIPHER_TKIP: | |
3666 | pval |= TKIP_ENABLED; | |
3667 | break; | |
3668 | case WPA_CIPHER_AES_CCM: | |
3669 | pval |= AES_ENABLED; | |
3670 | break; | |
3671 | default: | |
57d6e91a | 3672 | brcmf_err("Ivalid unicast security info\n"); |
1a873342 HM |
3673 | } |
3674 | offset++; | |
3675 | } | |
3676 | /* walk thru auth management suite list and pick up what we recognize */ | |
3677 | count = data[offset] + (data[offset + 1] << 8); | |
3678 | offset += WPA_IE_SUITE_COUNT_LEN; | |
3679 | /* Check for auth key management suite(s) */ | |
3680 | if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { | |
3681 | err = -EINVAL; | |
57d6e91a | 3682 | brcmf_err("no auth key mgmt suite\n"); |
1a873342 HM |
3683 | goto exit; |
3684 | } | |
3685 | for (i = 0; i < count; i++) { | |
3686 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { | |
3687 | err = -EINVAL; | |
57d6e91a | 3688 | brcmf_err("ivalid OUI\n"); |
1a873342 HM |
3689 | goto exit; |
3690 | } | |
3691 | offset += TLV_OUI_LEN; | |
3692 | switch (data[offset]) { | |
3693 | case RSN_AKM_NONE: | |
d96b801f | 3694 | brcmf_dbg(TRACE, "RSN_AKM_NONE\n"); |
1a873342 HM |
3695 | wpa_auth |= WPA_AUTH_NONE; |
3696 | break; | |
3697 | case RSN_AKM_UNSPECIFIED: | |
d96b801f | 3698 | brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n"); |
1a873342 HM |
3699 | is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) : |
3700 | (wpa_auth |= WPA_AUTH_UNSPECIFIED); | |
3701 | break; | |
3702 | case RSN_AKM_PSK: | |
d96b801f | 3703 | brcmf_dbg(TRACE, "RSN_AKM_PSK\n"); |
1a873342 HM |
3704 | is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) : |
3705 | (wpa_auth |= WPA_AUTH_PSK); | |
3706 | break; | |
3707 | default: | |
57d6e91a | 3708 | brcmf_err("Ivalid key mgmt info\n"); |
1a873342 HM |
3709 | } |
3710 | offset++; | |
3711 | } | |
3712 | ||
3713 | if (is_rsn_ie) { | |
3714 | wme_bss_disable = 1; | |
3715 | if ((offset + RSN_CAP_LEN) <= len) { | |
3716 | rsn_cap = data[offset] + (data[offset + 1] << 8); | |
3717 | if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK) | |
3718 | wme_bss_disable = 0; | |
3719 | } | |
3720 | /* set wme_bss_disable to sync RSN Capabilities */ | |
ac24be6f | 3721 | err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable", |
81f5dcb8 | 3722 | wme_bss_disable); |
1a873342 | 3723 | if (err < 0) { |
57d6e91a | 3724 | brcmf_err("wme_bss_disable error %d\n", err); |
1a873342 HM |
3725 | goto exit; |
3726 | } | |
3727 | } | |
3728 | /* FOR WPS , set SES_OW_ENABLED */ | |
3729 | wsec = (pval | gval | SES_OW_ENABLED); | |
3730 | ||
3731 | /* set auth */ | |
ac24be6f | 3732 | err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth); |
1a873342 | 3733 | if (err < 0) { |
57d6e91a | 3734 | brcmf_err("auth error %d\n", err); |
1a873342 HM |
3735 | goto exit; |
3736 | } | |
3737 | /* set wsec */ | |
ac24be6f | 3738 | err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); |
1a873342 | 3739 | if (err < 0) { |
57d6e91a | 3740 | brcmf_err("wsec error %d\n", err); |
1a873342 HM |
3741 | goto exit; |
3742 | } | |
3743 | /* set upper-layer auth */ | |
ac24be6f | 3744 | err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth); |
1a873342 | 3745 | if (err < 0) { |
57d6e91a | 3746 | brcmf_err("wpa_auth error %d\n", err); |
1a873342 HM |
3747 | goto exit; |
3748 | } | |
3749 | ||
3750 | exit: | |
3751 | return err; | |
3752 | } | |
3753 | ||
3754 | static s32 | |
3082b9be | 3755 | brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len, |
1a873342 HM |
3756 | struct parsed_vndr_ies *vndr_ies) |
3757 | { | |
1a873342 HM |
3758 | struct brcmf_vs_tlv *vndrie; |
3759 | struct brcmf_tlv *ie; | |
3760 | struct parsed_vndr_ie_info *parsed_info; | |
3761 | s32 remaining_len; | |
3762 | ||
3763 | remaining_len = (s32)vndr_ie_len; | |
3764 | memset(vndr_ies, 0, sizeof(*vndr_ies)); | |
3765 | ||
3766 | ie = (struct brcmf_tlv *)vndr_ie_buf; | |
3767 | while (ie) { | |
3768 | if (ie->id != WLAN_EID_VENDOR_SPECIFIC) | |
3769 | goto next; | |
3770 | vndrie = (struct brcmf_vs_tlv *)ie; | |
3771 | /* len should be bigger than OUI length + one */ | |
3772 | if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) { | |
57d6e91a AS |
3773 | brcmf_err("invalid vndr ie. length is too small %d\n", |
3774 | vndrie->len); | |
1a873342 HM |
3775 | goto next; |
3776 | } | |
3777 | /* if wpa or wme ie, do not add ie */ | |
3778 | if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) && | |
3779 | ((vndrie->oui_type == WPA_OUI_TYPE) || | |
3780 | (vndrie->oui_type == WME_OUI_TYPE))) { | |
d96b801f | 3781 | brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n"); |
1a873342 HM |
3782 | goto next; |
3783 | } | |
3784 | ||
3785 | parsed_info = &vndr_ies->ie_info[vndr_ies->count]; | |
3786 | ||
3787 | /* save vndr ie information */ | |
3788 | parsed_info->ie_ptr = (char *)vndrie; | |
3789 | parsed_info->ie_len = vndrie->len + TLV_HDR_LEN; | |
3790 | memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie)); | |
3791 | ||
3792 | vndr_ies->count++; | |
3793 | ||
d96b801f AS |
3794 | brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n", |
3795 | parsed_info->vndrie.oui[0], | |
3796 | parsed_info->vndrie.oui[1], | |
3797 | parsed_info->vndrie.oui[2], | |
3798 | parsed_info->vndrie.oui_type); | |
1a873342 | 3799 | |
9f440b7b | 3800 | if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT) |
1a873342 HM |
3801 | break; |
3802 | next: | |
b41fc3d7 HM |
3803 | remaining_len -= (ie->len + TLV_HDR_LEN); |
3804 | if (remaining_len <= TLV_HDR_LEN) | |
1a873342 HM |
3805 | ie = NULL; |
3806 | else | |
b41fc3d7 HM |
3807 | ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len + |
3808 | TLV_HDR_LEN); | |
1a873342 | 3809 | } |
12f32370 | 3810 | return 0; |
1a873342 HM |
3811 | } |
3812 | ||
3813 | static u32 | |
3814 | brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) | |
3815 | { | |
3816 | ||
1a873342 HM |
3817 | strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1); |
3818 | iebuf[VNDR_IE_CMD_LEN - 1] = '\0'; | |
3819 | ||
362126cd | 3820 | put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]); |
1a873342 | 3821 | |
362126cd | 3822 | put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]); |
1a873342 HM |
3823 | |
3824 | memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len); | |
3825 | ||
3826 | return ie_len + VNDR_IE_HDR_SIZE; | |
3827 | } | |
3828 | ||
1332e26e AS |
3829 | s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, |
3830 | const u8 *vndr_ie_buf, u32 vndr_ie_len) | |
1a873342 | 3831 | { |
1332e26e AS |
3832 | struct brcmf_if *ifp; |
3833 | struct vif_saved_ie *saved_ie; | |
1a873342 HM |
3834 | s32 err = 0; |
3835 | u8 *iovar_ie_buf; | |
3836 | u8 *curr_ie_buf; | |
3837 | u8 *mgmt_ie_buf = NULL; | |
3e4f319d | 3838 | int mgmt_ie_buf_len; |
81118d16 | 3839 | u32 *mgmt_ie_len; |
1a873342 HM |
3840 | u32 del_add_ie_buf_len = 0; |
3841 | u32 total_ie_buf_len = 0; | |
3842 | u32 parsed_ie_buf_len = 0; | |
3843 | struct parsed_vndr_ies old_vndr_ies; | |
3844 | struct parsed_vndr_ies new_vndr_ies; | |
3845 | struct parsed_vndr_ie_info *vndrie_info; | |
3846 | s32 i; | |
3847 | u8 *ptr; | |
3e4f319d | 3848 | int remained_buf_len; |
1a873342 | 3849 | |
1332e26e AS |
3850 | if (!vif) |
3851 | return -ENODEV; | |
3852 | ifp = vif->ifp; | |
3853 | saved_ie = &vif->saved_ie; | |
3854 | ||
d96b801f | 3855 | brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag); |
1a873342 HM |
3856 | iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); |
3857 | if (!iovar_ie_buf) | |
3858 | return -ENOMEM; | |
3859 | curr_ie_buf = iovar_ie_buf; | |
89286dc9 HM |
3860 | switch (pktflag) { |
3861 | case BRCMF_VNDR_IE_PRBREQ_FLAG: | |
3862 | mgmt_ie_buf = saved_ie->probe_req_ie; | |
3863 | mgmt_ie_len = &saved_ie->probe_req_ie_len; | |
3864 | mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie); | |
3865 | break; | |
3866 | case BRCMF_VNDR_IE_PRBRSP_FLAG: | |
3867 | mgmt_ie_buf = saved_ie->probe_res_ie; | |
3868 | mgmt_ie_len = &saved_ie->probe_res_ie_len; | |
3869 | mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie); | |
3870 | break; | |
3871 | case BRCMF_VNDR_IE_BEACON_FLAG: | |
3872 | mgmt_ie_buf = saved_ie->beacon_ie; | |
3873 | mgmt_ie_len = &saved_ie->beacon_ie_len; | |
3874 | mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie); | |
3875 | break; | |
3876 | case BRCMF_VNDR_IE_ASSOCREQ_FLAG: | |
3877 | mgmt_ie_buf = saved_ie->assoc_req_ie; | |
3878 | mgmt_ie_len = &saved_ie->assoc_req_ie_len; | |
3879 | mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie); | |
3880 | break; | |
3881 | default: | |
3882 | err = -EPERM; | |
3883 | brcmf_err("not suitable type\n"); | |
3884 | goto exit; | |
1a873342 HM |
3885 | } |
3886 | ||
3887 | if (vndr_ie_len > mgmt_ie_buf_len) { | |
3888 | err = -ENOMEM; | |
57d6e91a | 3889 | brcmf_err("extra IE size too big\n"); |
1a873342 HM |
3890 | goto exit; |
3891 | } | |
3892 | ||
3893 | /* parse and save new vndr_ie in curr_ie_buff before comparing it */ | |
3894 | if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) { | |
3895 | ptr = curr_ie_buf; | |
3896 | brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies); | |
3897 | for (i = 0; i < new_vndr_ies.count; i++) { | |
3898 | vndrie_info = &new_vndr_ies.ie_info[i]; | |
3899 | memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr, | |
3900 | vndrie_info->ie_len); | |
3901 | parsed_ie_buf_len += vndrie_info->ie_len; | |
3902 | } | |
3903 | } | |
3904 | ||
b41fc3d7 | 3905 | if (mgmt_ie_buf && *mgmt_ie_len) { |
1a873342 HM |
3906 | if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) && |
3907 | (memcmp(mgmt_ie_buf, curr_ie_buf, | |
3908 | parsed_ie_buf_len) == 0)) { | |
d96b801f | 3909 | brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n"); |
1a873342 HM |
3910 | goto exit; |
3911 | } | |
3912 | ||
3913 | /* parse old vndr_ie */ | |
3914 | brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies); | |
3915 | ||
3916 | /* make a command to delete old ie */ | |
3917 | for (i = 0; i < old_vndr_ies.count; i++) { | |
3918 | vndrie_info = &old_vndr_ies.ie_info[i]; | |
3919 | ||
d96b801f AS |
3920 | brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n", |
3921 | vndrie_info->vndrie.id, | |
3922 | vndrie_info->vndrie.len, | |
3923 | vndrie_info->vndrie.oui[0], | |
3924 | vndrie_info->vndrie.oui[1], | |
3925 | vndrie_info->vndrie.oui[2]); | |
1a873342 HM |
3926 | |
3927 | del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, | |
3928 | vndrie_info->ie_ptr, | |
3929 | vndrie_info->ie_len, | |
3930 | "del"); | |
3931 | curr_ie_buf += del_add_ie_buf_len; | |
3932 | total_ie_buf_len += del_add_ie_buf_len; | |
3933 | } | |
3934 | } | |
3935 | ||
3936 | *mgmt_ie_len = 0; | |
3937 | /* Add if there is any extra IE */ | |
3938 | if (mgmt_ie_buf && parsed_ie_buf_len) { | |
3939 | ptr = mgmt_ie_buf; | |
3940 | ||
3941 | remained_buf_len = mgmt_ie_buf_len; | |
3942 | ||
3943 | /* make a command to add new ie */ | |
3944 | for (i = 0; i < new_vndr_ies.count; i++) { | |
3945 | vndrie_info = &new_vndr_ies.ie_info[i]; | |
3946 | ||
b41fc3d7 HM |
3947 | /* verify remained buf size before copy data */ |
3948 | if (remained_buf_len < (vndrie_info->vndrie.len + | |
3949 | VNDR_IE_VSIE_OFFSET)) { | |
57d6e91a AS |
3950 | brcmf_err("no space in mgmt_ie_buf: len left %d", |
3951 | remained_buf_len); | |
b41fc3d7 HM |
3952 | break; |
3953 | } | |
3954 | remained_buf_len -= (vndrie_info->ie_len + | |
3955 | VNDR_IE_VSIE_OFFSET); | |
3956 | ||
d96b801f AS |
3957 | brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n", |
3958 | vndrie_info->vndrie.id, | |
3959 | vndrie_info->vndrie.len, | |
3960 | vndrie_info->vndrie.oui[0], | |
3961 | vndrie_info->vndrie.oui[1], | |
3962 | vndrie_info->vndrie.oui[2]); | |
1a873342 HM |
3963 | |
3964 | del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, | |
3965 | vndrie_info->ie_ptr, | |
3966 | vndrie_info->ie_len, | |
3967 | "add"); | |
1a873342 HM |
3968 | |
3969 | /* save the parsed IE in wl struct */ | |
3970 | memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr, | |
3971 | vndrie_info->ie_len); | |
3972 | *mgmt_ie_len += vndrie_info->ie_len; | |
3973 | ||
3974 | curr_ie_buf += del_add_ie_buf_len; | |
3975 | total_ie_buf_len += del_add_ie_buf_len; | |
3976 | } | |
3977 | } | |
3978 | if (total_ie_buf_len) { | |
c1179033 | 3979 | err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf, |
81f5dcb8 | 3980 | total_ie_buf_len); |
1a873342 | 3981 | if (err) |
57d6e91a | 3982 | brcmf_err("vndr ie set error : %d\n", err); |
1a873342 HM |
3983 | } |
3984 | ||
3985 | exit: | |
3986 | kfree(iovar_ie_buf); | |
3987 | return err; | |
3988 | } | |
3989 | ||
5f4f9f11 AS |
3990 | s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif) |
3991 | { | |
3992 | s32 pktflags[] = { | |
3993 | BRCMF_VNDR_IE_PRBREQ_FLAG, | |
3994 | BRCMF_VNDR_IE_PRBRSP_FLAG, | |
3995 | BRCMF_VNDR_IE_BEACON_FLAG | |
3996 | }; | |
3997 | int i; | |
3998 | ||
3999 | for (i = 0; i < ARRAY_SIZE(pktflags); i++) | |
4000 | brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0); | |
4001 | ||
4002 | memset(&vif->saved_ie, 0, sizeof(vif->saved_ie)); | |
4003 | return 0; | |
4004 | } | |
4005 | ||
a0f07959 HM |
4006 | static s32 |
4007 | brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif, | |
4008 | struct cfg80211_beacon_data *beacon) | |
4009 | { | |
4010 | s32 err; | |
4011 | ||
4012 | /* Set Beacon IEs to FW */ | |
4013 | err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG, | |
4014 | beacon->tail, beacon->tail_len); | |
4015 | if (err) { | |
4016 | brcmf_err("Set Beacon IE Failed\n"); | |
4017 | return err; | |
4018 | } | |
4019 | brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n"); | |
4020 | ||
4021 | /* Set Probe Response IEs to FW */ | |
4022 | err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG, | |
4023 | beacon->proberesp_ies, | |
4024 | beacon->proberesp_ies_len); | |
4025 | if (err) | |
4026 | brcmf_err("Set Probe Resp IE Failed\n"); | |
4027 | else | |
4028 | brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n"); | |
4029 | ||
4030 | return err; | |
4031 | } | |
4032 | ||
1a873342 HM |
4033 | static s32 |
4034 | brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, | |
4035 | struct cfg80211_ap_settings *settings) | |
4036 | { | |
4037 | s32 ie_offset; | |
1c9d30cf | 4038 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
ac24be6f | 4039 | struct brcmf_if *ifp = netdev_priv(ndev); |
4b5800fe | 4040 | const struct brcmf_tlv *ssid_ie; |
98027769 | 4041 | const struct brcmf_tlv *country_ie; |
1a873342 | 4042 | struct brcmf_ssid_le ssid_le; |
1a873342 | 4043 | s32 err = -EPERM; |
4b5800fe JB |
4044 | const struct brcmf_tlv *rsn_ie; |
4045 | const struct brcmf_vs_tlv *wpa_ie; | |
1a873342 | 4046 | struct brcmf_join_params join_params; |
a0f07959 HM |
4047 | enum nl80211_iftype dev_role; |
4048 | struct brcmf_fil_bss_enable_le bss_enable; | |
06c01585 | 4049 | u16 chanspec; |
a44aa400 | 4050 | bool mbss; |
98027769 | 4051 | int is_11d; |
1a873342 | 4052 | |
06c01585 AS |
4053 | brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n", |
4054 | settings->chandef.chan->hw_value, | |
4055 | settings->chandef.center_freq1, settings->chandef.width, | |
a9a56878 | 4056 | settings->beacon_interval, settings->dtim_period); |
d96b801f AS |
4057 | brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n", |
4058 | settings->ssid, settings->ssid_len, settings->auth_type, | |
4059 | settings->inactivity_timeout); | |
426d0a56 | 4060 | dev_role = ifp->vif->wdev.iftype; |
a44aa400 | 4061 | mbss = ifp->vif->mbss; |
1a873342 | 4062 | |
98027769 AS |
4063 | /* store current 11d setting */ |
4064 | brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d); | |
4065 | country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, | |
4066 | settings->beacon.tail_len, | |
4067 | WLAN_EID_COUNTRY); | |
4068 | is_11d = country_ie ? 1 : 0; | |
4069 | ||
1a873342 HM |
4070 | memset(&ssid_le, 0, sizeof(ssid_le)); |
4071 | if (settings->ssid == NULL || settings->ssid_len == 0) { | |
4072 | ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; | |
4073 | ssid_ie = brcmf_parse_tlvs( | |
4074 | (u8 *)&settings->beacon.head[ie_offset], | |
4075 | settings->beacon.head_len - ie_offset, | |
4076 | WLAN_EID_SSID); | |
4077 | if (!ssid_ie) | |
4078 | return -EINVAL; | |
4079 | ||
4080 | memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); | |
4081 | ssid_le.SSID_len = cpu_to_le32(ssid_ie->len); | |
d96b801f | 4082 | brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID); |
1a873342 HM |
4083 | } else { |
4084 | memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len); | |
4085 | ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len); | |
4086 | } | |
4087 | ||
a44aa400 HM |
4088 | if (!mbss) { |
4089 | brcmf_set_mpc(ifp, 0); | |
4090 | brcmf_configure_arp_offload(ifp, false); | |
4091 | } | |
1a873342 HM |
4092 | |
4093 | /* find the RSN_IE */ | |
4094 | rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, | |
4095 | settings->beacon.tail_len, WLAN_EID_RSN); | |
4096 | ||
4097 | /* find the WPA_IE */ | |
4098 | wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail, | |
4099 | settings->beacon.tail_len); | |
4100 | ||
1a873342 | 4101 | if ((wpa_ie != NULL || rsn_ie != NULL)) { |
d96b801f | 4102 | brcmf_dbg(TRACE, "WPA(2) IE is found\n"); |
1a873342 HM |
4103 | if (wpa_ie != NULL) { |
4104 | /* WPA IE */ | |
a44aa400 | 4105 | err = brcmf_configure_wpaie(ifp, wpa_ie, false); |
1a873342 HM |
4106 | if (err < 0) |
4107 | goto exit; | |
1a873342 | 4108 | } else { |
a44aa400 HM |
4109 | struct brcmf_vs_tlv *tmp_ie; |
4110 | ||
4111 | tmp_ie = (struct brcmf_vs_tlv *)rsn_ie; | |
4112 | ||
1a873342 | 4113 | /* RSN IE */ |
a44aa400 | 4114 | err = brcmf_configure_wpaie(ifp, tmp_ie, true); |
1a873342 HM |
4115 | if (err < 0) |
4116 | goto exit; | |
1a873342 | 4117 | } |
1a873342 | 4118 | } else { |
d96b801f | 4119 | brcmf_dbg(TRACE, "No WPA(2) IEs found\n"); |
1f170110 | 4120 | brcmf_configure_opensecurity(ifp); |
1a873342 | 4121 | } |
1a873342 | 4122 | |
a0f07959 | 4123 | brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon); |
1a873342 | 4124 | |
a44aa400 HM |
4125 | if (!mbss) { |
4126 | chanspec = chandef_to_chanspec(&cfg->d11inf, | |
4127 | &settings->chandef); | |
4128 | err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); | |
1a873342 | 4129 | if (err < 0) { |
a44aa400 HM |
4130 | brcmf_err("Set Channel failed: chspec=%d, %d\n", |
4131 | chanspec, err); | |
1a873342 HM |
4132 | goto exit; |
4133 | } | |
a44aa400 | 4134 | |
98027769 AS |
4135 | if (is_11d != ifp->vif->is_11d) { |
4136 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, | |
4137 | is_11d); | |
4138 | if (err < 0) { | |
4139 | brcmf_err("Regulatory Set Error, %d\n", err); | |
4140 | goto exit; | |
4141 | } | |
4142 | } | |
a44aa400 HM |
4143 | if (settings->beacon_interval) { |
4144 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, | |
4145 | settings->beacon_interval); | |
4146 | if (err < 0) { | |
4147 | brcmf_err("Beacon Interval Set Error, %d\n", | |
4148 | err); | |
4149 | goto exit; | |
4150 | } | |
4151 | } | |
4152 | if (settings->dtim_period) { | |
4153 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD, | |
4154 | settings->dtim_period); | |
4155 | if (err < 0) { | |
4156 | brcmf_err("DTIM Interval Set Error, %d\n", err); | |
4157 | goto exit; | |
4158 | } | |
1a873342 | 4159 | } |
a0f07959 | 4160 | |
a44aa400 HM |
4161 | if (dev_role == NL80211_IFTYPE_AP) { |
4162 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); | |
4163 | if (err < 0) { | |
4164 | brcmf_err("BRCMF_C_DOWN error %d\n", err); | |
4165 | goto exit; | |
4166 | } | |
4167 | brcmf_fil_iovar_int_set(ifp, "apsta", 0); | |
4168 | } | |
4169 | ||
4170 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1); | |
a0f07959 | 4171 | if (err < 0) { |
a44aa400 | 4172 | brcmf_err("SET INFRA error %d\n", err); |
a0f07959 HM |
4173 | goto exit; |
4174 | } | |
98027769 AS |
4175 | } else if (WARN_ON(is_11d != ifp->vif->is_11d)) { |
4176 | /* Multiple-BSS should use same 11d configuration */ | |
4177 | err = -EINVAL; | |
4178 | goto exit; | |
1a873342 | 4179 | } |
a0f07959 | 4180 | if (dev_role == NL80211_IFTYPE_AP) { |
a44aa400 HM |
4181 | if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss)) |
4182 | brcmf_fil_iovar_int_set(ifp, "mbss", 1); | |
4183 | ||
a0f07959 HM |
4184 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1); |
4185 | if (err < 0) { | |
4186 | brcmf_err("setting AP mode failed %d\n", err); | |
4187 | goto exit; | |
4188 | } | |
4189 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); | |
4190 | if (err < 0) { | |
4191 | brcmf_err("BRCMF_C_UP error (%d)\n", err); | |
4192 | goto exit; | |
4193 | } | |
118eb304 HM |
4194 | /* On DOWN the firmware removes the WEP keys, reconfigure |
4195 | * them if they were set. | |
4196 | */ | |
4197 | brcmf_cfg80211_reconfigure_wep(ifp); | |
a0f07959 HM |
4198 | |
4199 | memset(&join_params, 0, sizeof(join_params)); | |
4200 | /* join parameters starts with ssid */ | |
4201 | memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); | |
4202 | /* create softap */ | |
4203 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, | |
4204 | &join_params, sizeof(join_params)); | |
4205 | if (err < 0) { | |
4206 | brcmf_err("SET SSID error (%d)\n", err); | |
4207 | goto exit; | |
4208 | } | |
4209 | brcmf_dbg(TRACE, "AP mode configuration complete\n"); | |
4210 | } else { | |
4211 | err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le, | |
4212 | sizeof(ssid_le)); | |
4213 | if (err < 0) { | |
4214 | brcmf_err("setting ssid failed %d\n", err); | |
4215 | goto exit; | |
4216 | } | |
4217 | bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx); | |
4218 | bss_enable.enable = cpu_to_le32(1); | |
4219 | err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, | |
4220 | sizeof(bss_enable)); | |
4221 | if (err < 0) { | |
4222 | brcmf_err("bss_enable config failed %d\n", err); | |
4223 | goto exit; | |
4224 | } | |
4225 | ||
4226 | brcmf_dbg(TRACE, "GO mode configuration complete\n"); | |
4227 | } | |
c1179033 AS |
4228 | clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); |
4229 | set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); | |
1a873342 HM |
4230 | |
4231 | exit: | |
a44aa400 | 4232 | if ((err) && (!mbss)) { |
f96aa07e | 4233 | brcmf_set_mpc(ifp, 1); |
b3657453 HM |
4234 | brcmf_configure_arp_offload(ifp, true); |
4235 | } | |
1a873342 HM |
4236 | return err; |
4237 | } | |
4238 | ||
4239 | static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) | |
4240 | { | |
c1179033 | 4241 | struct brcmf_if *ifp = netdev_priv(ndev); |
5c33a942 | 4242 | s32 err; |
426d0a56 | 4243 | struct brcmf_fil_bss_enable_le bss_enable; |
5c33a942 | 4244 | struct brcmf_join_params join_params; |
1a873342 | 4245 | |
d96b801f | 4246 | brcmf_dbg(TRACE, "Enter\n"); |
1a873342 | 4247 | |
426d0a56 | 4248 | if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) { |
1a873342 HM |
4249 | /* Due to most likely deauths outstanding we sleep */ |
4250 | /* first to make sure they get processed by fw. */ | |
4251 | msleep(400); | |
5c33a942 | 4252 | |
a44aa400 HM |
4253 | if (ifp->vif->mbss) { |
4254 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); | |
4255 | return err; | |
4256 | } | |
4257 | ||
5c33a942 HM |
4258 | memset(&join_params, 0, sizeof(join_params)); |
4259 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, | |
4260 | &join_params, sizeof(join_params)); | |
4261 | if (err < 0) | |
4262 | brcmf_err("SET SSID error (%d)\n", err); | |
a44aa400 | 4263 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); |
5c33a942 | 4264 | if (err < 0) |
a44aa400 | 4265 | brcmf_err("BRCMF_C_DOWN error %d\n", err); |
5c33a942 HM |
4266 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0); |
4267 | if (err < 0) | |
4268 | brcmf_err("setting AP mode failed %d\n", err); | |
4269 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0); | |
4270 | if (err < 0) | |
4271 | brcmf_err("setting INFRA mode failed %d\n", err); | |
a44aa400 HM |
4272 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) |
4273 | brcmf_fil_iovar_int_set(ifp, "mbss", 0); | |
98027769 AS |
4274 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, |
4275 | ifp->vif->is_11d); | |
4276 | if (err < 0) | |
4277 | brcmf_err("restoring REGULATORY setting failed %d\n", | |
4278 | err); | |
a44aa400 HM |
4279 | /* Bring device back up so it can be used again */ |
4280 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); | |
4281 | if (err < 0) | |
4282 | brcmf_err("BRCMF_C_UP error %d\n", err); | |
426d0a56 HM |
4283 | } else { |
4284 | bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx); | |
4285 | bss_enable.enable = cpu_to_le32(0); | |
4286 | err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, | |
4287 | sizeof(bss_enable)); | |
4288 | if (err < 0) | |
4289 | brcmf_err("bss_enable config failed %d\n", err); | |
1a873342 | 4290 | } |
f96aa07e | 4291 | brcmf_set_mpc(ifp, 1); |
b3657453 | 4292 | brcmf_configure_arp_offload(ifp, true); |
426d0a56 HM |
4293 | set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); |
4294 | clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); | |
4295 | ||
1a873342 HM |
4296 | return err; |
4297 | } | |
4298 | ||
a0f07959 HM |
4299 | static s32 |
4300 | brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev, | |
4301 | struct cfg80211_beacon_data *info) | |
4302 | { | |
a0f07959 HM |
4303 | struct brcmf_if *ifp = netdev_priv(ndev); |
4304 | s32 err; | |
4305 | ||
4306 | brcmf_dbg(TRACE, "Enter\n"); | |
4307 | ||
a0f07959 HM |
4308 | err = brcmf_config_ap_mgmt_ie(ifp->vif, info); |
4309 | ||
4310 | return err; | |
4311 | } | |
4312 | ||
1a873342 HM |
4313 | static int |
4314 | brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, | |
89c771e5 | 4315 | struct station_del_parameters *params) |
1a873342 | 4316 | { |
a0f07959 | 4317 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
1a873342 | 4318 | struct brcmf_scb_val_le scbval; |
0abb5f21 | 4319 | struct brcmf_if *ifp = netdev_priv(ndev); |
1a873342 HM |
4320 | s32 err; |
4321 | ||
89c771e5 | 4322 | if (!params->mac) |
1a873342 HM |
4323 | return -EFAULT; |
4324 | ||
89c771e5 | 4325 | brcmf_dbg(TRACE, "Enter %pM\n", params->mac); |
1a873342 | 4326 | |
a0f07959 HM |
4327 | if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) |
4328 | ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; | |
ce81e317 | 4329 | if (!check_vif_up(ifp->vif)) |
1a873342 HM |
4330 | return -EIO; |
4331 | ||
89c771e5 | 4332 | memcpy(&scbval.ea, params->mac, ETH_ALEN); |
ba8b6ae6 | 4333 | scbval.val = cpu_to_le32(params->reason_code); |
0abb5f21 | 4334 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON, |
81f5dcb8 | 4335 | &scbval, sizeof(scbval)); |
1a873342 | 4336 | if (err) |
57d6e91a | 4337 | brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err); |
7ab6acd0 | 4338 | |
d96b801f | 4339 | brcmf_dbg(TRACE, "Exit\n"); |
1a873342 HM |
4340 | return err; |
4341 | } | |
4342 | ||
6b89dcb3 HM |
4343 | static int |
4344 | brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev, | |
4345 | const u8 *mac, struct station_parameters *params) | |
4346 | { | |
4347 | struct brcmf_if *ifp = netdev_priv(ndev); | |
4348 | s32 err; | |
4349 | ||
4350 | brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac, | |
4351 | params->sta_flags_mask, params->sta_flags_set); | |
4352 | ||
4353 | /* Ignore all 00 MAC */ | |
4354 | if (is_zero_ether_addr(mac)) | |
4355 | return 0; | |
4356 | ||
4357 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4358 | return 0; | |
4359 | ||
4360 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4361 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE, | |
4362 | (void *)mac, ETH_ALEN); | |
4363 | else | |
4364 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE, | |
4365 | (void *)mac, ETH_ALEN); | |
4366 | if (err < 0) | |
4367 | brcmf_err("Setting SCB (de-)authorize failed, %d\n", err); | |
4368 | ||
4369 | return err; | |
4370 | } | |
0de8aace HM |
4371 | |
4372 | static void | |
4373 | brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy, | |
4374 | struct wireless_dev *wdev, | |
4375 | u16 frame_type, bool reg) | |
4376 | { | |
7fa2e352 | 4377 | struct brcmf_cfg80211_vif *vif; |
0de8aace HM |
4378 | u16 mgmt_type; |
4379 | ||
4380 | brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg); | |
4381 | ||
4382 | mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; | |
7fa2e352 | 4383 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); |
0de8aace HM |
4384 | if (reg) |
4385 | vif->mgmt_rx_reg |= BIT(mgmt_type); | |
4386 | else | |
318a64ce | 4387 | vif->mgmt_rx_reg &= ~BIT(mgmt_type); |
0de8aace HM |
4388 | } |
4389 | ||
4390 | ||
4391 | static int | |
4392 | brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, | |
b176e629 | 4393 | struct cfg80211_mgmt_tx_params *params, u64 *cookie) |
0de8aace HM |
4394 | { |
4395 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
b176e629 AO |
4396 | struct ieee80211_channel *chan = params->chan; |
4397 | const u8 *buf = params->buf; | |
4398 | size_t len = params->len; | |
0de8aace HM |
4399 | const struct ieee80211_mgmt *mgmt; |
4400 | struct brcmf_cfg80211_vif *vif; | |
4401 | s32 err = 0; | |
4402 | s32 ie_offset; | |
4403 | s32 ie_len; | |
18e2f61d HM |
4404 | struct brcmf_fil_action_frame_le *action_frame; |
4405 | struct brcmf_fil_af_params_le *af_params; | |
4406 | bool ack; | |
4407 | s32 chan_nr; | |
c2ff8cad | 4408 | u32 freq; |
0de8aace HM |
4409 | |
4410 | brcmf_dbg(TRACE, "Enter\n"); | |
4411 | ||
4412 | *cookie = 0; | |
4413 | ||
4414 | mgmt = (const struct ieee80211_mgmt *)buf; | |
4415 | ||
a0f07959 HM |
4416 | if (!ieee80211_is_mgmt(mgmt->frame_control)) { |
4417 | brcmf_err("Driver only allows MGMT packet type\n"); | |
4418 | return -EPERM; | |
4419 | } | |
0de8aace | 4420 | |
c2ff8cad AQ |
4421 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); |
4422 | ||
a0f07959 HM |
4423 | if (ieee80211_is_probe_resp(mgmt->frame_control)) { |
4424 | /* Right now the only reason to get a probe response */ | |
4425 | /* is for p2p listen response or for p2p GO from */ | |
4426 | /* wpa_supplicant. Unfortunately the probe is send */ | |
4427 | /* on primary ndev, while dongle wants it on the p2p */ | |
4428 | /* vif. Since this is only reason for a probe */ | |
4429 | /* response to be sent, the vif is taken from cfg. */ | |
4430 | /* If ever desired to send proberesp for non p2p */ | |
4431 | /* response then data should be checked for */ | |
4432 | /* "DIRECT-". Note in future supplicant will take */ | |
4433 | /* dedicated p2p wdev to do this and then this 'hack'*/ | |
4434 | /* is not needed anymore. */ | |
4435 | ie_offset = DOT11_MGMT_HDR_LEN + | |
4436 | DOT11_BCN_PRB_FIXED_LEN; | |
4437 | ie_len = len - ie_offset; | |
a0f07959 | 4438 | if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) |
0de8aace | 4439 | vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; |
a0f07959 HM |
4440 | err = brcmf_vif_set_mgmt_ie(vif, |
4441 | BRCMF_VNDR_IE_PRBRSP_FLAG, | |
4442 | &buf[ie_offset], | |
4443 | ie_len); | |
4444 | cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, | |
4445 | GFP_KERNEL); | |
18e2f61d HM |
4446 | } else if (ieee80211_is_action(mgmt->frame_control)) { |
4447 | af_params = kzalloc(sizeof(*af_params), GFP_KERNEL); | |
4448 | if (af_params == NULL) { | |
4449 | brcmf_err("unable to allocate frame\n"); | |
4450 | err = -ENOMEM; | |
4451 | goto exit; | |
4452 | } | |
4453 | action_frame = &af_params->action_frame; | |
4454 | /* Add the packet Id */ | |
4455 | action_frame->packet_id = cpu_to_le32(*cookie); | |
4456 | /* Add BSSID */ | |
4457 | memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN); | |
4458 | memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN); | |
4459 | /* Add the length exepted for 802.11 header */ | |
4460 | action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN); | |
c2ff8cad AQ |
4461 | /* Add the channel. Use the one specified as parameter if any or |
4462 | * the current one (got from the firmware) otherwise | |
4463 | */ | |
4464 | if (chan) | |
4465 | freq = chan->center_freq; | |
4466 | else | |
4467 | brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL, | |
4468 | &freq); | |
4469 | chan_nr = ieee80211_frequency_to_channel(freq); | |
18e2f61d HM |
4470 | af_params->channel = cpu_to_le32(chan_nr); |
4471 | ||
4472 | memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], | |
4473 | le16_to_cpu(action_frame->len)); | |
4474 | ||
4475 | brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n", | |
86a9c4a2 | 4476 | *cookie, le16_to_cpu(action_frame->len), freq); |
18e2f61d | 4477 | |
7fa2e352 | 4478 | ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg), |
18e2f61d HM |
4479 | af_params); |
4480 | ||
4481 | cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack, | |
4482 | GFP_KERNEL); | |
4483 | kfree(af_params); | |
a0f07959 HM |
4484 | } else { |
4485 | brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control); | |
4486 | brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len); | |
0de8aace | 4487 | } |
a0f07959 | 4488 | |
18e2f61d | 4489 | exit: |
0de8aace HM |
4490 | return err; |
4491 | } | |
4492 | ||
4493 | ||
4494 | static int | |
4495 | brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, | |
4496 | struct wireless_dev *wdev, | |
4497 | u64 cookie) | |
4498 | { | |
4499 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
4500 | struct brcmf_cfg80211_vif *vif; | |
4501 | int err = 0; | |
4502 | ||
4503 | brcmf_dbg(TRACE, "Enter p2p listen cancel\n"); | |
4504 | ||
4505 | vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; | |
4506 | if (vif == NULL) { | |
4507 | brcmf_err("No p2p device available for probe response\n"); | |
4508 | err = -ENODEV; | |
4509 | goto exit; | |
4510 | } | |
4511 | brcmf_p2p_cancel_remain_on_channel(vif->ifp); | |
4512 | exit: | |
4513 | return err; | |
4514 | } | |
4515 | ||
61730d4d PH |
4516 | static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy, |
4517 | struct wireless_dev *wdev, | |
4518 | enum nl80211_crit_proto_id proto, | |
4519 | u16 duration) | |
4520 | { | |
4521 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
4522 | struct brcmf_cfg80211_vif *vif; | |
4523 | ||
4524 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); | |
4525 | ||
4526 | /* only DHCP support for now */ | |
4527 | if (proto != NL80211_CRIT_PROTO_DHCP) | |
4528 | return -EINVAL; | |
4529 | ||
4530 | /* suppress and abort scanning */ | |
4531 | set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); | |
4532 | brcmf_abort_scanning(cfg); | |
4533 | ||
4534 | return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration); | |
4535 | } | |
4536 | ||
4537 | static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy, | |
4538 | struct wireless_dev *wdev) | |
4539 | { | |
4540 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
4541 | struct brcmf_cfg80211_vif *vif; | |
4542 | ||
4543 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); | |
4544 | ||
4545 | brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); | |
4546 | clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); | |
4547 | } | |
4548 | ||
70b7d94b HM |
4549 | static s32 |
4550 | brcmf_notify_tdls_peer_event(struct brcmf_if *ifp, | |
4551 | const struct brcmf_event_msg *e, void *data) | |
4552 | { | |
4553 | switch (e->reason) { | |
4554 | case BRCMF_E_REASON_TDLS_PEER_DISCOVERED: | |
4555 | brcmf_dbg(TRACE, "TDLS Peer Discovered\n"); | |
4556 | break; | |
4557 | case BRCMF_E_REASON_TDLS_PEER_CONNECTED: | |
4558 | brcmf_dbg(TRACE, "TDLS Peer Connected\n"); | |
4559 | brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); | |
4560 | break; | |
4561 | case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED: | |
4562 | brcmf_dbg(TRACE, "TDLS Peer Disconnected\n"); | |
4563 | brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); | |
4564 | break; | |
4565 | } | |
4566 | ||
4567 | return 0; | |
4568 | } | |
4569 | ||
89c2f382 AS |
4570 | static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper) |
4571 | { | |
4572 | int ret; | |
4573 | ||
4574 | switch (oper) { | |
4575 | case NL80211_TDLS_DISCOVERY_REQ: | |
4576 | ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY; | |
4577 | break; | |
4578 | case NL80211_TDLS_SETUP: | |
4579 | ret = BRCMF_TDLS_MANUAL_EP_CREATE; | |
4580 | break; | |
4581 | case NL80211_TDLS_TEARDOWN: | |
4582 | ret = BRCMF_TDLS_MANUAL_EP_DELETE; | |
4583 | break; | |
4584 | default: | |
4585 | brcmf_err("unsupported operation: %d\n", oper); | |
4586 | ret = -EOPNOTSUPP; | |
4587 | } | |
4588 | return ret; | |
4589 | } | |
4590 | ||
4591 | static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy, | |
3b3a0162 | 4592 | struct net_device *ndev, const u8 *peer, |
89c2f382 AS |
4593 | enum nl80211_tdls_operation oper) |
4594 | { | |
4595 | struct brcmf_if *ifp; | |
4596 | struct brcmf_tdls_iovar_le info; | |
4597 | int ret = 0; | |
4598 | ||
4599 | ret = brcmf_convert_nl80211_tdls_oper(oper); | |
4600 | if (ret < 0) | |
4601 | return ret; | |
4602 | ||
4603 | ifp = netdev_priv(ndev); | |
4604 | memset(&info, 0, sizeof(info)); | |
4605 | info.mode = (u8)ret; | |
4606 | if (peer) | |
4607 | memcpy(info.ea, peer, ETH_ALEN); | |
4608 | ||
4609 | ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint", | |
4610 | &info, sizeof(info)); | |
4611 | if (ret < 0) | |
4612 | brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret); | |
4613 | ||
4614 | return ret; | |
4615 | } | |
4616 | ||
5b435de0 | 4617 | static struct cfg80211_ops wl_cfg80211_ops = { |
9f440b7b AS |
4618 | .add_virtual_intf = brcmf_cfg80211_add_iface, |
4619 | .del_virtual_intf = brcmf_cfg80211_del_iface, | |
5b435de0 AS |
4620 | .change_virtual_intf = brcmf_cfg80211_change_iface, |
4621 | .scan = brcmf_cfg80211_scan, | |
4622 | .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, | |
4623 | .join_ibss = brcmf_cfg80211_join_ibss, | |
4624 | .leave_ibss = brcmf_cfg80211_leave_ibss, | |
4625 | .get_station = brcmf_cfg80211_get_station, | |
4626 | .set_tx_power = brcmf_cfg80211_set_tx_power, | |
4627 | .get_tx_power = brcmf_cfg80211_get_tx_power, | |
4628 | .add_key = brcmf_cfg80211_add_key, | |
4629 | .del_key = brcmf_cfg80211_del_key, | |
4630 | .get_key = brcmf_cfg80211_get_key, | |
4631 | .set_default_key = brcmf_cfg80211_config_default_key, | |
4632 | .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, | |
4633 | .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, | |
5b435de0 AS |
4634 | .connect = brcmf_cfg80211_connect, |
4635 | .disconnect = brcmf_cfg80211_disconnect, | |
4636 | .suspend = brcmf_cfg80211_suspend, | |
4637 | .resume = brcmf_cfg80211_resume, | |
4638 | .set_pmksa = brcmf_cfg80211_set_pmksa, | |
4639 | .del_pmksa = brcmf_cfg80211_del_pmksa, | |
cbaa177d | 4640 | .flush_pmksa = brcmf_cfg80211_flush_pmksa, |
1a873342 HM |
4641 | .start_ap = brcmf_cfg80211_start_ap, |
4642 | .stop_ap = brcmf_cfg80211_stop_ap, | |
a0f07959 | 4643 | .change_beacon = brcmf_cfg80211_change_beacon, |
1a873342 | 4644 | .del_station = brcmf_cfg80211_del_station, |
6b89dcb3 | 4645 | .change_station = brcmf_cfg80211_change_station, |
e5806072 AS |
4646 | .sched_scan_start = brcmf_cfg80211_sched_scan_start, |
4647 | .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, | |
0de8aace HM |
4648 | .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register, |
4649 | .mgmt_tx = brcmf_cfg80211_mgmt_tx, | |
4650 | .remain_on_channel = brcmf_p2p_remain_on_channel, | |
4651 | .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, | |
27f10e38 AS |
4652 | .start_p2p_device = brcmf_p2p_start_device, |
4653 | .stop_p2p_device = brcmf_p2p_stop_device, | |
61730d4d PH |
4654 | .crit_proto_start = brcmf_cfg80211_crit_proto_start, |
4655 | .crit_proto_stop = brcmf_cfg80211_crit_proto_stop, | |
89c2f382 | 4656 | .tdls_oper = brcmf_cfg80211_tdls_oper, |
5b435de0 AS |
4657 | }; |
4658 | ||
3eacf866 | 4659 | struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, |
9f440b7b AS |
4660 | enum nl80211_iftype type, |
4661 | bool pm_block) | |
3eacf866 | 4662 | { |
a44aa400 | 4663 | struct brcmf_cfg80211_vif *vif_walk; |
3eacf866 | 4664 | struct brcmf_cfg80211_vif *vif; |
a44aa400 | 4665 | bool mbss; |
5b435de0 | 4666 | |
33a6b157 | 4667 | brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n", |
9f440b7b | 4668 | sizeof(*vif)); |
3eacf866 AS |
4669 | vif = kzalloc(sizeof(*vif), GFP_KERNEL); |
4670 | if (!vif) | |
4671 | return ERR_PTR(-ENOMEM); | |
4672 | ||
4673 | vif->wdev.wiphy = cfg->wiphy; | |
9f440b7b | 4674 | vif->wdev.iftype = type; |
5b435de0 | 4675 | |
3eacf866 AS |
4676 | vif->pm_block = pm_block; |
4677 | vif->roam_off = -1; | |
4678 | ||
6ac4f4ed AS |
4679 | brcmf_init_prof(&vif->profile); |
4680 | ||
a44aa400 HM |
4681 | if (type == NL80211_IFTYPE_AP) { |
4682 | mbss = false; | |
4683 | list_for_each_entry(vif_walk, &cfg->vif_list, list) { | |
4684 | if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) { | |
4685 | mbss = true; | |
4686 | break; | |
4687 | } | |
4688 | } | |
4689 | vif->mbss = mbss; | |
4690 | } | |
4691 | ||
3eacf866 | 4692 | list_add_tail(&vif->list, &cfg->vif_list); |
3eacf866 | 4693 | return vif; |
5b435de0 AS |
4694 | } |
4695 | ||
427dec5f | 4696 | void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) |
5b435de0 | 4697 | { |
3eacf866 | 4698 | list_del(&vif->list); |
3eacf866 | 4699 | kfree(vif); |
5b435de0 AS |
4700 | } |
4701 | ||
9df4d542 AS |
4702 | void brcmf_cfg80211_free_netdev(struct net_device *ndev) |
4703 | { | |
4704 | struct brcmf_cfg80211_vif *vif; | |
4705 | struct brcmf_if *ifp; | |
4706 | ||
4707 | ifp = netdev_priv(ndev); | |
4708 | vif = ifp->vif; | |
4709 | ||
4710 | brcmf_free_vif(vif); | |
4711 | free_netdev(ndev); | |
4712 | } | |
4713 | ||
903e0eee | 4714 | static bool brcmf_is_linkup(const struct brcmf_event_msg *e) |
5b435de0 | 4715 | { |
5c36b99a AS |
4716 | u32 event = e->event_code; |
4717 | u32 status = e->status; | |
5b435de0 AS |
4718 | |
4719 | if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { | |
16886735 | 4720 | brcmf_dbg(CONN, "Processing set ssid\n"); |
5b435de0 AS |
4721 | return true; |
4722 | } | |
4723 | ||
4724 | return false; | |
4725 | } | |
4726 | ||
903e0eee | 4727 | static bool brcmf_is_linkdown(const struct brcmf_event_msg *e) |
5b435de0 | 4728 | { |
5c36b99a AS |
4729 | u32 event = e->event_code; |
4730 | u16 flags = e->flags; | |
5b435de0 | 4731 | |
68ca395f HM |
4732 | if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) || |
4733 | (event == BRCMF_E_DISASSOC_IND) || | |
4734 | ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) { | |
16886735 | 4735 | brcmf_dbg(CONN, "Processing link down\n"); |
5b435de0 AS |
4736 | return true; |
4737 | } | |
4738 | return false; | |
4739 | } | |
4740 | ||
27a68fe3 | 4741 | static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4742 | const struct brcmf_event_msg *e) |
4743 | { | |
5c36b99a AS |
4744 | u32 event = e->event_code; |
4745 | u32 status = e->status; | |
5b435de0 AS |
4746 | |
4747 | if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { | |
16886735 AS |
4748 | brcmf_dbg(CONN, "Processing Link %s & no network found\n", |
4749 | e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down"); | |
5b435de0 AS |
4750 | return true; |
4751 | } | |
4752 | ||
4753 | if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { | |
16886735 | 4754 | brcmf_dbg(CONN, "Processing connecting & no network found\n"); |
5b435de0 AS |
4755 | return true; |
4756 | } | |
4757 | ||
4758 | return false; | |
4759 | } | |
4760 | ||
27a68fe3 | 4761 | static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 4762 | { |
27a68fe3 | 4763 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
5b435de0 AS |
4764 | |
4765 | kfree(conn_info->req_ie); | |
4766 | conn_info->req_ie = NULL; | |
4767 | conn_info->req_ie_len = 0; | |
4768 | kfree(conn_info->resp_ie); | |
4769 | conn_info->resp_ie = NULL; | |
4770 | conn_info->resp_ie_len = 0; | |
4771 | } | |
4772 | ||
89286dc9 HM |
4773 | static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, |
4774 | struct brcmf_if *ifp) | |
5b435de0 | 4775 | { |
c4e382d2 | 4776 | struct brcmf_cfg80211_assoc_ielen_le *assoc_info; |
27a68fe3 | 4777 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
5b435de0 AS |
4778 | u32 req_len; |
4779 | u32 resp_len; | |
4780 | s32 err = 0; | |
4781 | ||
27a68fe3 | 4782 | brcmf_clear_assoc_ies(cfg); |
5b435de0 | 4783 | |
ac24be6f AS |
4784 | err = brcmf_fil_iovar_data_get(ifp, "assoc_info", |
4785 | cfg->extra_buf, WL_ASSOC_INFO_MAX); | |
5b435de0 | 4786 | if (err) { |
57d6e91a | 4787 | brcmf_err("could not get assoc info (%d)\n", err); |
5b435de0 AS |
4788 | return err; |
4789 | } | |
c4e382d2 | 4790 | assoc_info = |
27a68fe3 | 4791 | (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf; |
c4e382d2 AS |
4792 | req_len = le32_to_cpu(assoc_info->req_len); |
4793 | resp_len = le32_to_cpu(assoc_info->resp_len); | |
5b435de0 | 4794 | if (req_len) { |
ac24be6f | 4795 | err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies", |
81f5dcb8 HM |
4796 | cfg->extra_buf, |
4797 | WL_ASSOC_INFO_MAX); | |
5b435de0 | 4798 | if (err) { |
57d6e91a | 4799 | brcmf_err("could not get assoc req (%d)\n", err); |
5b435de0 AS |
4800 | return err; |
4801 | } | |
4802 | conn_info->req_ie_len = req_len; | |
4803 | conn_info->req_ie = | |
27a68fe3 | 4804 | kmemdup(cfg->extra_buf, conn_info->req_ie_len, |
5b435de0 AS |
4805 | GFP_KERNEL); |
4806 | } else { | |
4807 | conn_info->req_ie_len = 0; | |
4808 | conn_info->req_ie = NULL; | |
4809 | } | |
4810 | if (resp_len) { | |
ac24be6f | 4811 | err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies", |
81f5dcb8 HM |
4812 | cfg->extra_buf, |
4813 | WL_ASSOC_INFO_MAX); | |
5b435de0 | 4814 | if (err) { |
57d6e91a | 4815 | brcmf_err("could not get assoc resp (%d)\n", err); |
5b435de0 AS |
4816 | return err; |
4817 | } | |
4818 | conn_info->resp_ie_len = resp_len; | |
4819 | conn_info->resp_ie = | |
27a68fe3 | 4820 | kmemdup(cfg->extra_buf, conn_info->resp_ie_len, |
5b435de0 AS |
4821 | GFP_KERNEL); |
4822 | } else { | |
4823 | conn_info->resp_ie_len = 0; | |
4824 | conn_info->resp_ie = NULL; | |
4825 | } | |
16886735 AS |
4826 | brcmf_dbg(CONN, "req len (%d) resp len (%d)\n", |
4827 | conn_info->req_ie_len, conn_info->resp_ie_len); | |
5b435de0 AS |
4828 | |
4829 | return err; | |
4830 | } | |
4831 | ||
4832 | static s32 | |
27a68fe3 | 4833 | brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4834 | struct net_device *ndev, |
4835 | const struct brcmf_event_msg *e) | |
4836 | { | |
c1179033 AS |
4837 | struct brcmf_if *ifp = netdev_priv(ndev); |
4838 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
27a68fe3 AS |
4839 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
4840 | struct wiphy *wiphy = cfg_to_wiphy(cfg); | |
a180b83b | 4841 | struct ieee80211_channel *notify_channel = NULL; |
5b435de0 | 4842 | struct ieee80211_supported_band *band; |
a180b83b | 4843 | struct brcmf_bss_info_le *bi; |
83cf17aa | 4844 | struct brcmu_chan ch; |
5b435de0 AS |
4845 | u32 freq; |
4846 | s32 err = 0; | |
a180b83b | 4847 | u8 *buf; |
5b435de0 | 4848 | |
d96b801f | 4849 | brcmf_dbg(TRACE, "Enter\n"); |
5b435de0 | 4850 | |
89286dc9 | 4851 | brcmf_get_assoc_ies(cfg, ifp); |
6c8c4f72 | 4852 | memcpy(profile->bssid, e->addr, ETH_ALEN); |
89286dc9 | 4853 | brcmf_update_bss_info(cfg, ifp); |
5b435de0 | 4854 | |
a180b83b FL |
4855 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
4856 | if (buf == NULL) { | |
4857 | err = -ENOMEM; | |
4858 | goto done; | |
4859 | } | |
4860 | ||
4861 | /* data sent to dongle has to be little endian */ | |
4862 | *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); | |
c1179033 | 4863 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, |
ac24be6f | 4864 | buf, WL_BSS_INFO_MAX); |
a180b83b FL |
4865 | |
4866 | if (err) | |
4867 | goto done; | |
5b435de0 | 4868 | |
a180b83b | 4869 | bi = (struct brcmf_bss_info_le *)(buf + 4); |
83cf17aa FL |
4870 | ch.chspec = le16_to_cpu(bi->chanspec); |
4871 | cfg->d11inf.decchspec(&ch); | |
5b435de0 | 4872 | |
83cf17aa | 4873 | if (ch.band == BRCMU_CHAN_BAND_2G) |
5b435de0 AS |
4874 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
4875 | else | |
4876 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
4877 | ||
83cf17aa | 4878 | freq = ieee80211_channel_to_frequency(ch.chnum, band->band); |
5b435de0 AS |
4879 | notify_channel = ieee80211_get_channel(wiphy, freq); |
4880 | ||
a180b83b FL |
4881 | done: |
4882 | kfree(buf); | |
06bb123e | 4883 | cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid, |
5b435de0 AS |
4884 | conn_info->req_ie, conn_info->req_ie_len, |
4885 | conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); | |
16886735 | 4886 | brcmf_dbg(CONN, "Report roaming result\n"); |
5b435de0 | 4887 | |
c1179033 | 4888 | set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); |
d96b801f | 4889 | brcmf_dbg(TRACE, "Exit\n"); |
5b435de0 AS |
4890 | return err; |
4891 | } | |
4892 | ||
4893 | static s32 | |
27a68fe3 | 4894 | brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4895 | struct net_device *ndev, const struct brcmf_event_msg *e, |
4896 | bool completed) | |
4897 | { | |
c1179033 AS |
4898 | struct brcmf_if *ifp = netdev_priv(ndev); |
4899 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
27a68fe3 | 4900 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
5b435de0 | 4901 | |
d96b801f | 4902 | brcmf_dbg(TRACE, "Enter\n"); |
5b435de0 | 4903 | |
c1179033 AS |
4904 | if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING, |
4905 | &ifp->vif->sme_state)) { | |
5b435de0 | 4906 | if (completed) { |
89286dc9 | 4907 | brcmf_get_assoc_ies(cfg, ifp); |
6c8c4f72 | 4908 | memcpy(profile->bssid, e->addr, ETH_ALEN); |
89286dc9 HM |
4909 | brcmf_update_bss_info(cfg, ifp); |
4910 | set_bit(BRCMF_VIF_STATUS_CONNECTED, | |
4911 | &ifp->vif->sme_state); | |
5b435de0 AS |
4912 | } |
4913 | cfg80211_connect_result(ndev, | |
06bb123e | 4914 | (u8 *)profile->bssid, |
5b435de0 AS |
4915 | conn_info->req_ie, |
4916 | conn_info->req_ie_len, | |
4917 | conn_info->resp_ie, | |
4918 | conn_info->resp_ie_len, | |
4919 | completed ? WLAN_STATUS_SUCCESS : | |
4920 | WLAN_STATUS_AUTH_TIMEOUT, | |
4921 | GFP_KERNEL); | |
16886735 AS |
4922 | brcmf_dbg(CONN, "Report connect result - connection %s\n", |
4923 | completed ? "succeeded" : "failed"); | |
5b435de0 | 4924 | } |
d96b801f | 4925 | brcmf_dbg(TRACE, "Exit\n"); |
12f32370 | 4926 | return 0; |
5b435de0 AS |
4927 | } |
4928 | ||
4929 | static s32 | |
27a68fe3 | 4930 | brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, |
1a873342 HM |
4931 | struct net_device *ndev, |
4932 | const struct brcmf_event_msg *e, void *data) | |
4933 | { | |
a44aa400 | 4934 | struct brcmf_if *ifp = netdev_priv(ndev); |
7ee29602 | 4935 | static int generation; |
5c36b99a AS |
4936 | u32 event = e->event_code; |
4937 | u32 reason = e->reason; | |
1a873342 HM |
4938 | struct station_info sinfo; |
4939 | ||
16886735 | 4940 | brcmf_dbg(CONN, "event %d, reason %d\n", event, reason); |
5f4f9f11 AS |
4941 | if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS && |
4942 | ndev != cfg_to_ndev(cfg)) { | |
4943 | brcmf_dbg(CONN, "AP mode link down\n"); | |
4944 | complete(&cfg->vif_disabled); | |
a44aa400 HM |
4945 | if (ifp->vif->mbss) |
4946 | brcmf_remove_interface(ifp->drvr, ifp->bssidx); | |
5f4f9f11 AS |
4947 | return 0; |
4948 | } | |
1a873342 | 4949 | |
1a873342 | 4950 | if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && |
7ee29602 HM |
4951 | (reason == BRCMF_E_STATUS_SUCCESS)) { |
4952 | memset(&sinfo, 0, sizeof(sinfo)); | |
1a873342 | 4953 | if (!data) { |
57d6e91a | 4954 | brcmf_err("No IEs present in ASSOC/REASSOC_IND"); |
1a873342 HM |
4955 | return -EINVAL; |
4956 | } | |
4957 | sinfo.assoc_req_ies = data; | |
7ee29602 | 4958 | sinfo.assoc_req_ies_len = e->datalen; |
1a873342 HM |
4959 | generation++; |
4960 | sinfo.generation = generation; | |
7ee29602 | 4961 | cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL); |
1a873342 HM |
4962 | } else if ((event == BRCMF_E_DISASSOC_IND) || |
4963 | (event == BRCMF_E_DEAUTH_IND) || | |
4964 | (event == BRCMF_E_DEAUTH)) { | |
7ee29602 | 4965 | cfg80211_del_sta(ndev, e->addr, GFP_KERNEL); |
1a873342 | 4966 | } |
7ee29602 | 4967 | return 0; |
1a873342 HM |
4968 | } |
4969 | ||
5b435de0 | 4970 | static s32 |
1993732e | 4971 | brcmf_notify_connect_status(struct brcmf_if *ifp, |
5b435de0 AS |
4972 | const struct brcmf_event_msg *e, void *data) |
4973 | { | |
1993732e AS |
4974 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
4975 | struct net_device *ndev = ifp->ndev; | |
c1179033 | 4976 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; |
fe94f3a4 | 4977 | struct ieee80211_channel *chan; |
5b435de0 AS |
4978 | s32 err = 0; |
4979 | ||
8851cce0 HM |
4980 | if ((e->event_code == BRCMF_E_DEAUTH) || |
4981 | (e->event_code == BRCMF_E_DEAUTH_IND) || | |
4982 | (e->event_code == BRCMF_E_DISASSOC_IND) || | |
4983 | ((e->event_code == BRCMF_E_LINK) && (!e->flags))) { | |
4984 | brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); | |
4985 | } | |
4986 | ||
967fe2c8 | 4987 | if (brcmf_is_apmode(ifp->vif)) { |
27a68fe3 | 4988 | err = brcmf_notify_connect_status_ap(cfg, ndev, e, data); |
903e0eee | 4989 | } else if (brcmf_is_linkup(e)) { |
16886735 | 4990 | brcmf_dbg(CONN, "Linkup\n"); |
128ce3b6 | 4991 | if (brcmf_is_ibssmode(ifp->vif)) { |
fe94f3a4 | 4992 | chan = ieee80211_get_channel(cfg->wiphy, cfg->channel); |
6c8c4f72 | 4993 | memcpy(profile->bssid, e->addr, ETH_ALEN); |
27a68fe3 | 4994 | wl_inform_ibss(cfg, ndev, e->addr); |
fe94f3a4 | 4995 | cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL); |
c1179033 AS |
4996 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, |
4997 | &ifp->vif->sme_state); | |
4998 | set_bit(BRCMF_VIF_STATUS_CONNECTED, | |
4999 | &ifp->vif->sme_state); | |
5b435de0 | 5000 | } else |
27a68fe3 | 5001 | brcmf_bss_connect_done(cfg, ndev, e, true); |
903e0eee | 5002 | } else if (brcmf_is_linkdown(e)) { |
16886735 | 5003 | brcmf_dbg(CONN, "Linkdown\n"); |
128ce3b6 | 5004 | if (!brcmf_is_ibssmode(ifp->vif)) { |
27a68fe3 | 5005 | brcmf_bss_connect_done(cfg, ndev, e, false); |
5b435de0 | 5006 | } |
9b7a0ddc | 5007 | brcmf_link_down(ifp->vif, brcmf_map_fw_linkdown_reason(e)); |
6ac4f4ed | 5008 | brcmf_init_prof(ndev_to_prof(ndev)); |
5f4f9f11 AS |
5009 | if (ndev != cfg_to_ndev(cfg)) |
5010 | complete(&cfg->vif_disabled); | |
27a68fe3 | 5011 | } else if (brcmf_is_nonetwork(cfg, e)) { |
128ce3b6 | 5012 | if (brcmf_is_ibssmode(ifp->vif)) |
c1179033 AS |
5013 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, |
5014 | &ifp->vif->sme_state); | |
5b435de0 | 5015 | else |
27a68fe3 | 5016 | brcmf_bss_connect_done(cfg, ndev, e, false); |
5b435de0 AS |
5017 | } |
5018 | ||
5019 | return err; | |
5020 | } | |
5021 | ||
5022 | static s32 | |
1993732e | 5023 | brcmf_notify_roaming_status(struct brcmf_if *ifp, |
5b435de0 AS |
5024 | const struct brcmf_event_msg *e, void *data) |
5025 | { | |
1993732e | 5026 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
5c36b99a AS |
5027 | u32 event = e->event_code; |
5028 | u32 status = e->status; | |
5b435de0 AS |
5029 | |
5030 | if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { | |
c1179033 | 5031 | if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state)) |
1993732e | 5032 | brcmf_bss_roaming_done(cfg, ifp->ndev, e); |
5b435de0 | 5033 | else |
1993732e | 5034 | brcmf_bss_connect_done(cfg, ifp->ndev, e, true); |
5b435de0 AS |
5035 | } |
5036 | ||
12f32370 | 5037 | return 0; |
5b435de0 AS |
5038 | } |
5039 | ||
5040 | static s32 | |
1993732e | 5041 | brcmf_notify_mic_status(struct brcmf_if *ifp, |
5b435de0 AS |
5042 | const struct brcmf_event_msg *e, void *data) |
5043 | { | |
5c36b99a | 5044 | u16 flags = e->flags; |
5b435de0 AS |
5045 | enum nl80211_key_type key_type; |
5046 | ||
5047 | if (flags & BRCMF_EVENT_MSG_GROUP) | |
5048 | key_type = NL80211_KEYTYPE_GROUP; | |
5049 | else | |
5050 | key_type = NL80211_KEYTYPE_PAIRWISE; | |
5051 | ||
1993732e | 5052 | cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1, |
5b435de0 AS |
5053 | NULL, GFP_KERNEL); |
5054 | ||
5055 | return 0; | |
5056 | } | |
5057 | ||
d3c0b633 AS |
5058 | static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, |
5059 | const struct brcmf_event_msg *e, void *data) | |
5060 | { | |
5061 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
5062 | struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data; | |
5063 | struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; | |
5064 | struct brcmf_cfg80211_vif *vif; | |
5065 | ||
5066 | brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n", | |
5067 | ifevent->action, ifevent->flags, ifevent->ifidx, | |
5068 | ifevent->bssidx); | |
5069 | ||
d3c0b633 AS |
5070 | mutex_lock(&event->vif_event_lock); |
5071 | event->action = ifevent->action; | |
5072 | vif = event->vif; | |
5073 | ||
5074 | switch (ifevent->action) { | |
5075 | case BRCMF_E_IF_ADD: | |
5076 | /* waiting process may have timed out */ | |
dc4a787c WY |
5077 | if (!cfg->vif_event.vif) { |
5078 | mutex_unlock(&event->vif_event_lock); | |
d3c0b633 | 5079 | return -EBADF; |
dc4a787c | 5080 | } |
d3c0b633 AS |
5081 | |
5082 | ifp->vif = vif; | |
5083 | vif->ifp = ifp; | |
01b8e7db AS |
5084 | if (ifp->ndev) { |
5085 | vif->wdev.netdev = ifp->ndev; | |
5086 | ifp->ndev->ieee80211_ptr = &vif->wdev; | |
5087 | SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); | |
5088 | } | |
d3c0b633 AS |
5089 | mutex_unlock(&event->vif_event_lock); |
5090 | wake_up(&event->vif_wq); | |
4b3a89de | 5091 | return 0; |
d3c0b633 AS |
5092 | |
5093 | case BRCMF_E_IF_DEL: | |
d3c0b633 AS |
5094 | mutex_unlock(&event->vif_event_lock); |
5095 | /* event may not be upon user request */ | |
5096 | if (brcmf_cfg80211_vif_event_armed(cfg)) | |
5097 | wake_up(&event->vif_wq); | |
5098 | return 0; | |
5099 | ||
7a5c1f64 HM |
5100 | case BRCMF_E_IF_CHANGE: |
5101 | mutex_unlock(&event->vif_event_lock); | |
5102 | wake_up(&event->vif_wq); | |
5103 | return 0; | |
5104 | ||
d3c0b633 AS |
5105 | default: |
5106 | mutex_unlock(&event->vif_event_lock); | |
5107 | break; | |
5108 | } | |
5109 | return -EINVAL; | |
5110 | } | |
5111 | ||
5b435de0 AS |
5112 | static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) |
5113 | { | |
5b435de0 AS |
5114 | conf->frag_threshold = (u32)-1; |
5115 | conf->rts_threshold = (u32)-1; | |
5116 | conf->retry_short = (u32)-1; | |
5117 | conf->retry_long = (u32)-1; | |
5118 | conf->tx_power = -1; | |
5119 | } | |
5120 | ||
5c36b99a | 5121 | static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 5122 | { |
5c36b99a AS |
5123 | brcmf_fweh_register(cfg->pub, BRCMF_E_LINK, |
5124 | brcmf_notify_connect_status); | |
5125 | brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND, | |
5126 | brcmf_notify_connect_status); | |
5127 | brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH, | |
5128 | brcmf_notify_connect_status); | |
5129 | brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND, | |
5130 | brcmf_notify_connect_status); | |
5131 | brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND, | |
5132 | brcmf_notify_connect_status); | |
5133 | brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND, | |
5134 | brcmf_notify_connect_status); | |
5135 | brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM, | |
5136 | brcmf_notify_roaming_status); | |
5137 | brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR, | |
5138 | brcmf_notify_mic_status); | |
5139 | brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID, | |
5140 | brcmf_notify_connect_status); | |
5141 | brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, | |
5142 | brcmf_notify_sched_scan_results); | |
d3c0b633 AS |
5143 | brcmf_fweh_register(cfg->pub, BRCMF_E_IF, |
5144 | brcmf_notify_vif_event); | |
0de8aace | 5145 | brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG, |
6eda4e2c | 5146 | brcmf_p2p_notify_rx_mgmt_p2p_probereq); |
0de8aace HM |
5147 | brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE, |
5148 | brcmf_p2p_notify_listen_complete); | |
e6da3400 HM |
5149 | brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX, |
5150 | brcmf_p2p_notify_action_frame_rx); | |
18e2f61d HM |
5151 | brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE, |
5152 | brcmf_p2p_notify_action_tx_complete); | |
6eda4e2c HM |
5153 | brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE, |
5154 | brcmf_p2p_notify_action_tx_complete); | |
5b435de0 AS |
5155 | } |
5156 | ||
27a68fe3 AS |
5157 | static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) |
5158 | { | |
27a68fe3 AS |
5159 | kfree(cfg->conf); |
5160 | cfg->conf = NULL; | |
27a68fe3 AS |
5161 | kfree(cfg->escan_ioctl_buf); |
5162 | cfg->escan_ioctl_buf = NULL; | |
27a68fe3 AS |
5163 | kfree(cfg->extra_buf); |
5164 | cfg->extra_buf = NULL; | |
27a68fe3 AS |
5165 | kfree(cfg->pmk_list); |
5166 | cfg->pmk_list = NULL; | |
27a68fe3 AS |
5167 | } |
5168 | ||
5169 | static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg) | |
5170 | { | |
27a68fe3 AS |
5171 | cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL); |
5172 | if (!cfg->conf) | |
5b435de0 | 5173 | goto init_priv_mem_out; |
27a68fe3 AS |
5174 | cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); |
5175 | if (!cfg->escan_ioctl_buf) | |
e756af5b | 5176 | goto init_priv_mem_out; |
27a68fe3 AS |
5177 | cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); |
5178 | if (!cfg->extra_buf) | |
5b435de0 | 5179 | goto init_priv_mem_out; |
27a68fe3 AS |
5180 | cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL); |
5181 | if (!cfg->pmk_list) | |
5b435de0 AS |
5182 | goto init_priv_mem_out; |
5183 | ||
5184 | return 0; | |
5185 | ||
5186 | init_priv_mem_out: | |
27a68fe3 | 5187 | brcmf_deinit_priv_mem(cfg); |
5b435de0 AS |
5188 | |
5189 | return -ENOMEM; | |
5190 | } | |
5191 | ||
27a68fe3 | 5192 | static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
5193 | { |
5194 | s32 err = 0; | |
5195 | ||
27a68fe3 AS |
5196 | cfg->scan_request = NULL; |
5197 | cfg->pwr_save = true; | |
68ca395f HM |
5198 | cfg->active_scan = true; /* we do active scan per default */ |
5199 | cfg->dongle_up = false; /* dongle is not up yet */ | |
27a68fe3 | 5200 | err = brcmf_init_priv_mem(cfg); |
5b435de0 AS |
5201 | if (err) |
5202 | return err; | |
5c36b99a | 5203 | brcmf_register_event_handlers(cfg); |
27a68fe3 | 5204 | mutex_init(&cfg->usr_sync); |
27a68fe3 AS |
5205 | brcmf_init_escan(cfg); |
5206 | brcmf_init_conf(cfg->conf); | |
5f4f9f11 | 5207 | init_completion(&cfg->vif_disabled); |
5b435de0 AS |
5208 | return err; |
5209 | } | |
5210 | ||
27a68fe3 | 5211 | static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 5212 | { |
27a68fe3 | 5213 | cfg->dongle_up = false; /* dongle down */ |
27a68fe3 AS |
5214 | brcmf_abort_scanning(cfg); |
5215 | brcmf_deinit_priv_mem(cfg); | |
5b435de0 AS |
5216 | } |
5217 | ||
d3c0b633 AS |
5218 | static void init_vif_event(struct brcmf_cfg80211_vif_event *event) |
5219 | { | |
5220 | init_waitqueue_head(&event->vif_wq); | |
d3c0b633 AS |
5221 | mutex_init(&event->vif_event_lock); |
5222 | } | |
5223 | ||
5b435de0 | 5224 | static s32 |
68ca395f | 5225 | brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout) |
5b435de0 | 5226 | { |
5b435de0 | 5227 | s32 err = 0; |
f588bc0c AS |
5228 | __le32 roamtrigger[2]; |
5229 | __le32 roam_delta[2]; | |
5b435de0 AS |
5230 | |
5231 | /* | |
5232 | * Setup timeout if Beacons are lost and roam is | |
5233 | * off to report link down | |
5234 | */ | |
68ca395f | 5235 | if (brcmf_roamoff) { |
ac24be6f | 5236 | err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout); |
5b435de0 | 5237 | if (err) { |
57d6e91a | 5238 | brcmf_err("bcn_timeout error (%d)\n", err); |
5b435de0 AS |
5239 | goto dongle_rom_out; |
5240 | } | |
5241 | } | |
5242 | ||
5243 | /* | |
5244 | * Enable/Disable built-in roaming to allow supplicant | |
5245 | * to take care of roaming | |
5246 | */ | |
68ca395f HM |
5247 | brcmf_dbg(INFO, "Internal Roaming = %s\n", |
5248 | brcmf_roamoff ? "Off" : "On"); | |
5249 | err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff)); | |
5b435de0 | 5250 | if (err) { |
57d6e91a | 5251 | brcmf_err("roam_off error (%d)\n", err); |
5b435de0 AS |
5252 | goto dongle_rom_out; |
5253 | } | |
5254 | ||
f588bc0c AS |
5255 | roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); |
5256 | roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); | |
ac24be6f | 5257 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER, |
81f5dcb8 | 5258 | (void *)roamtrigger, sizeof(roamtrigger)); |
5b435de0 | 5259 | if (err) { |
57d6e91a | 5260 | brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err); |
5b435de0 AS |
5261 | goto dongle_rom_out; |
5262 | } | |
5263 | ||
f588bc0c AS |
5264 | roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); |
5265 | roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); | |
ac24be6f | 5266 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA, |
81f5dcb8 | 5267 | (void *)roam_delta, sizeof(roam_delta)); |
5b435de0 | 5268 | if (err) { |
57d6e91a | 5269 | brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err); |
5b435de0 AS |
5270 | goto dongle_rom_out; |
5271 | } | |
5272 | ||
5273 | dongle_rom_out: | |
5274 | return err; | |
5275 | } | |
5276 | ||
5277 | static s32 | |
40a23296 | 5278 | brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time, |
c68cdc0f | 5279 | s32 scan_unassoc_time, s32 scan_passive_time) |
5b435de0 AS |
5280 | { |
5281 | s32 err = 0; | |
5282 | ||
ac24be6f | 5283 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, |
81f5dcb8 | 5284 | scan_assoc_time); |
5b435de0 AS |
5285 | if (err) { |
5286 | if (err == -EOPNOTSUPP) | |
647c9ae0 | 5287 | brcmf_dbg(INFO, "Scan assoc time is not supported\n"); |
5b435de0 | 5288 | else |
57d6e91a | 5289 | brcmf_err("Scan assoc time error (%d)\n", err); |
5b435de0 AS |
5290 | goto dongle_scantime_out; |
5291 | } | |
ac24be6f | 5292 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME, |
81f5dcb8 | 5293 | scan_unassoc_time); |
5b435de0 AS |
5294 | if (err) { |
5295 | if (err == -EOPNOTSUPP) | |
647c9ae0 | 5296 | brcmf_dbg(INFO, "Scan unassoc time is not supported\n"); |
5b435de0 | 5297 | else |
57d6e91a | 5298 | brcmf_err("Scan unassoc time error (%d)\n", err); |
5b435de0 AS |
5299 | goto dongle_scantime_out; |
5300 | } | |
5301 | ||
ac24be6f | 5302 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME, |
81f5dcb8 | 5303 | scan_passive_time); |
5b435de0 AS |
5304 | if (err) { |
5305 | if (err == -EOPNOTSUPP) | |
647c9ae0 | 5306 | brcmf_dbg(INFO, "Scan passive time is not supported\n"); |
5b435de0 | 5307 | else |
57d6e91a | 5308 | brcmf_err("Scan passive time error (%d)\n", err); |
5b435de0 AS |
5309 | goto dongle_scantime_out; |
5310 | } | |
5311 | ||
5312 | dongle_scantime_out: | |
5313 | return err; | |
5314 | } | |
5315 | ||
b48d8916 AS |
5316 | static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel, |
5317 | struct brcmu_chan *ch) | |
5318 | { | |
5319 | u32 ht40_flag; | |
d48200ba | 5320 | |
b48d8916 AS |
5321 | ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40; |
5322 | if (ch->sb == BRCMU_CHAN_SB_U) { | |
5323 | if (ht40_flag == IEEE80211_CHAN_NO_HT40) | |
5324 | channel->flags &= ~IEEE80211_CHAN_NO_HT40; | |
5325 | channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; | |
5326 | } else { | |
5327 | /* It should be one of | |
5328 | * IEEE80211_CHAN_NO_HT40 or | |
5329 | * IEEE80211_CHAN_NO_HT40PLUS | |
5330 | */ | |
5331 | channel->flags &= ~IEEE80211_CHAN_NO_HT40; | |
5332 | if (ht40_flag == IEEE80211_CHAN_NO_HT40) | |
5333 | channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; | |
5334 | } | |
5335 | } | |
5336 | ||
5337 | static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, | |
5338 | u32 bw_cap[]) | |
d48200ba HM |
5339 | { |
5340 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); | |
b48d8916 AS |
5341 | struct ieee80211_supported_band *band; |
5342 | struct ieee80211_channel *channel; | |
5343 | struct wiphy *wiphy; | |
d48200ba | 5344 | struct brcmf_chanspec_list *list; |
83cf17aa | 5345 | struct brcmu_chan ch; |
b48d8916 | 5346 | int err; |
d48200ba HM |
5347 | u8 *pbuf; |
5348 | u32 i, j; | |
5349 | u32 total; | |
b48d8916 | 5350 | u32 chaninfo; |
d48200ba | 5351 | u32 index; |
d48200ba HM |
5352 | |
5353 | pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); | |
5354 | ||
5355 | if (pbuf == NULL) | |
5356 | return -ENOMEM; | |
5357 | ||
5358 | list = (struct brcmf_chanspec_list *)pbuf; | |
5359 | ||
5360 | err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, | |
5361 | BRCMF_DCMD_MEDLEN); | |
5362 | if (err) { | |
5363 | brcmf_err("get chanspecs error (%d)\n", err); | |
b48d8916 | 5364 | goto fail_pbuf; |
d48200ba HM |
5365 | } |
5366 | ||
b48d8916 | 5367 | wiphy = cfg_to_wiphy(cfg); |
58de92d2 AS |
5368 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
5369 | if (band) | |
5370 | for (i = 0; i < band->n_channels; i++) | |
5371 | band->channels[i].flags = IEEE80211_CHAN_DISABLED; | |
5372 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
5373 | if (band) | |
5374 | for (i = 0; i < band->n_channels; i++) | |
5375 | band->channels[i].flags = IEEE80211_CHAN_DISABLED; | |
d48200ba HM |
5376 | |
5377 | total = le32_to_cpu(list->count); | |
5378 | for (i = 0; i < total; i++) { | |
83cf17aa FL |
5379 | ch.chspec = (u16)le32_to_cpu(list->element[i]); |
5380 | cfg->d11inf.decchspec(&ch); | |
d48200ba | 5381 | |
83cf17aa | 5382 | if (ch.band == BRCMU_CHAN_BAND_2G) { |
b48d8916 | 5383 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
83cf17aa | 5384 | } else if (ch.band == BRCMU_CHAN_BAND_5G) { |
b48d8916 | 5385 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
d48200ba | 5386 | } else { |
2375d970 | 5387 | brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec); |
d48200ba HM |
5388 | continue; |
5389 | } | |
58de92d2 AS |
5390 | if (!band) |
5391 | continue; | |
b48d8916 | 5392 | if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) && |
2375d970 | 5393 | ch.bw == BRCMU_CHAN_BW_40) |
d48200ba | 5394 | continue; |
b48d8916 | 5395 | if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) && |
ee942ecc AS |
5396 | ch.bw == BRCMU_CHAN_BW_80) |
5397 | continue; | |
b48d8916 AS |
5398 | |
5399 | channel = band->channels; | |
5400 | index = band->n_channels; | |
5401 | for (j = 0; j < band->n_channels; j++) { | |
5402 | if (channel[j].hw_value == ch.chnum) { | |
5403 | index = j; | |
d48200ba HM |
5404 | break; |
5405 | } | |
5406 | } | |
b48d8916 AS |
5407 | channel[index].center_freq = |
5408 | ieee80211_channel_to_frequency(ch.chnum, band->band); | |
5409 | channel[index].hw_value = ch.chnum; | |
5410 | ||
5411 | /* assuming the chanspecs order is HT20, | |
5412 | * HT40 upper, HT40 lower, and VHT80. | |
5413 | */ | |
5414 | if (ch.bw == BRCMU_CHAN_BW_80) { | |
5415 | channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ; | |
5416 | } else if (ch.bw == BRCMU_CHAN_BW_40) { | |
5417 | brcmf_update_bw40_channel_flag(&channel[index], &ch); | |
5418 | } else { | |
58de92d2 AS |
5419 | /* enable the channel and disable other bandwidths |
5420 | * for now as mentioned order assure they are enabled | |
5421 | * for subsequent chanspecs. | |
ee942ecc | 5422 | */ |
b48d8916 AS |
5423 | channel[index].flags = IEEE80211_CHAN_NO_HT40 | |
5424 | IEEE80211_CHAN_NO_80MHZ; | |
5425 | ch.bw = BRCMU_CHAN_BW_20; | |
5426 | cfg->d11inf.encchspec(&ch); | |
5427 | chaninfo = ch.chspec; | |
5428 | err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info", | |
5429 | &chaninfo); | |
5430 | if (!err) { | |
5431 | if (chaninfo & WL_CHAN_RADAR) | |
5432 | channel[index].flags |= | |
5433 | (IEEE80211_CHAN_RADAR | | |
5434 | IEEE80211_CHAN_NO_IR); | |
5435 | if (chaninfo & WL_CHAN_PASSIVE) | |
5436 | channel[index].flags |= | |
5437 | IEEE80211_CHAN_NO_IR; | |
d48200ba | 5438 | } |
d48200ba HM |
5439 | } |
5440 | } | |
b48d8916 | 5441 | |
b48d8916 | 5442 | fail_pbuf: |
d48200ba HM |
5443 | kfree(pbuf); |
5444 | return err; | |
5445 | } | |
5446 | ||
b48d8916 | 5447 | static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg) |
aa70b4fa | 5448 | { |
b48d8916 AS |
5449 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
5450 | struct ieee80211_supported_band *band; | |
aa70b4fa | 5451 | struct brcmf_fil_bwcap_le band_bwcap; |
b48d8916 AS |
5452 | struct brcmf_chanspec_list *list; |
5453 | u8 *pbuf; | |
aa70b4fa AS |
5454 | u32 val; |
5455 | int err; | |
b48d8916 AS |
5456 | struct brcmu_chan ch; |
5457 | u32 num_chan; | |
5458 | int i, j; | |
aa70b4fa AS |
5459 | |
5460 | /* verify support for bw_cap command */ | |
5461 | val = WLC_BAND_5G; | |
5462 | err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); | |
5463 | ||
5464 | if (!err) { | |
5465 | /* only set 2G bandwidth using bw_cap command */ | |
5466 | band_bwcap.band = cpu_to_le32(WLC_BAND_2G); | |
5467 | band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ); | |
5468 | err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, | |
5469 | sizeof(band_bwcap)); | |
5470 | } else { | |
5471 | brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); | |
5472 | val = WLC_N_BW_40ALL; | |
5473 | err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); | |
5474 | } | |
b48d8916 AS |
5475 | |
5476 | if (!err) { | |
5477 | /* update channel info in 2G band */ | |
5478 | pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); | |
5479 | ||
5480 | if (pbuf == NULL) | |
5481 | return -ENOMEM; | |
5482 | ||
5483 | ch.band = BRCMU_CHAN_BAND_2G; | |
5484 | ch.bw = BRCMU_CHAN_BW_40; | |
fac7d2a3 | 5485 | ch.sb = BRCMU_CHAN_SB_NONE; |
b48d8916 AS |
5486 | ch.chnum = 0; |
5487 | cfg->d11inf.encchspec(&ch); | |
5488 | ||
5489 | /* pass encoded chanspec in query */ | |
5490 | *(__le16 *)pbuf = cpu_to_le16(ch.chspec); | |
5491 | ||
5492 | err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, | |
5493 | BRCMF_DCMD_MEDLEN); | |
5494 | if (err) { | |
5495 | brcmf_err("get chanspecs error (%d)\n", err); | |
5496 | kfree(pbuf); | |
5497 | return err; | |
5498 | } | |
5499 | ||
5500 | band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ]; | |
5501 | list = (struct brcmf_chanspec_list *)pbuf; | |
5502 | num_chan = le32_to_cpu(list->count); | |
5503 | for (i = 0; i < num_chan; i++) { | |
5504 | ch.chspec = (u16)le32_to_cpu(list->element[i]); | |
5505 | cfg->d11inf.decchspec(&ch); | |
5506 | if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G)) | |
5507 | continue; | |
5508 | if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40)) | |
5509 | continue; | |
5510 | for (j = 0; j < band->n_channels; j++) { | |
5511 | if (band->channels[j].hw_value == ch.chnum) | |
5512 | break; | |
5513 | } | |
5514 | if (WARN_ON(j == band->n_channels)) | |
5515 | continue; | |
5516 | ||
5517 | brcmf_update_bw40_channel_flag(&band->channels[j], &ch); | |
5518 | } | |
fac7d2a3 | 5519 | kfree(pbuf); |
b48d8916 | 5520 | } |
aa70b4fa AS |
5521 | return err; |
5522 | } | |
5523 | ||
2375d970 AS |
5524 | static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[]) |
5525 | { | |
5526 | u32 band, mimo_bwcap; | |
5527 | int err; | |
5528 | ||
5529 | band = WLC_BAND_2G; | |
5530 | err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); | |
5531 | if (!err) { | |
5532 | bw_cap[IEEE80211_BAND_2GHZ] = band; | |
5533 | band = WLC_BAND_5G; | |
5534 | err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); | |
5535 | if (!err) { | |
5536 | bw_cap[IEEE80211_BAND_5GHZ] = band; | |
5537 | return; | |
5538 | } | |
5539 | WARN_ON(1); | |
5540 | return; | |
5541 | } | |
5542 | brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n"); | |
5543 | mimo_bwcap = 0; | |
5544 | err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap); | |
5545 | if (err) | |
5546 | /* assume 20MHz if firmware does not give a clue */ | |
5547 | mimo_bwcap = WLC_N_BW_20ALL; | |
5548 | ||
5549 | switch (mimo_bwcap) { | |
5550 | case WLC_N_BW_40ALL: | |
5551 | bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT; | |
5552 | /* fall-thru */ | |
5553 | case WLC_N_BW_20IN2G_40IN5G: | |
5554 | bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT; | |
5555 | /* fall-thru */ | |
5556 | case WLC_N_BW_20ALL: | |
5557 | bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT; | |
5558 | bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT; | |
5559 | break; | |
5560 | default: | |
5561 | brcmf_err("invalid mimo_bw_cap value\n"); | |
5562 | } | |
5563 | } | |
d48200ba | 5564 | |
18d6c535 AS |
5565 | static void brcmf_update_ht_cap(struct ieee80211_supported_band *band, |
5566 | u32 bw_cap[2], u32 nchain) | |
5567 | { | |
5568 | band->ht_cap.ht_supported = true; | |
5569 | if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) { | |
5570 | band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; | |
5571 | band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
5572 | } | |
5573 | band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; | |
5574 | band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; | |
5575 | band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
5576 | band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; | |
5577 | memset(band->ht_cap.mcs.rx_mask, 0xff, nchain); | |
5578 | band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
5579 | } | |
5580 | ||
5581 | static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp) | |
5582 | { | |
5583 | u16 mcs_map; | |
5584 | int i; | |
5585 | ||
5586 | for (i = 0, mcs_map = 0xFFFF; i < nchain; i++) | |
5587 | mcs_map = (mcs_map << 2) | supp; | |
5588 | ||
5589 | return cpu_to_le16(mcs_map); | |
5590 | } | |
5591 | ||
5592 | static void brcmf_update_vht_cap(struct ieee80211_supported_band *band, | |
5593 | u32 bw_cap[2], u32 nchain) | |
5594 | { | |
5595 | __le16 mcs_map; | |
5596 | ||
5597 | /* not allowed in 2.4G band */ | |
5598 | if (band->band == IEEE80211_BAND_2GHZ) | |
5599 | return; | |
5600 | ||
5601 | band->vht_cap.vht_supported = true; | |
5602 | /* 80MHz is mandatory */ | |
5603 | band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80; | |
5604 | if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) { | |
5605 | band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; | |
5606 | band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160; | |
5607 | } | |
5608 | /* all support 256-QAM */ | |
5609 | mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9); | |
5610 | band->vht_cap.vht_mcs.rx_mcs_map = mcs_map; | |
5611 | band->vht_cap.vht_mcs.tx_mcs_map = mcs_map; | |
5612 | } | |
5613 | ||
b48d8916 | 5614 | static int brcmf_setup_wiphybands(struct wiphy *wiphy) |
5b435de0 | 5615 | { |
b48d8916 | 5616 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
ac24be6f | 5617 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
18d6c535 AS |
5618 | u32 nmode = 0; |
5619 | u32 vhtmode = 0; | |
b48d8916 | 5620 | u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT }; |
4aca7a18 DK |
5621 | u32 rxchain; |
5622 | u32 nchain; | |
b48d8916 | 5623 | int err; |
d48200ba | 5624 | s32 i; |
2375d970 | 5625 | struct ieee80211_supported_band *band; |
5b435de0 | 5626 | |
18d6c535 | 5627 | (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode); |
d48200ba HM |
5628 | err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode); |
5629 | if (err) { | |
5630 | brcmf_err("nmode error (%d)\n", err); | |
5631 | } else { | |
2375d970 | 5632 | brcmf_get_bwcap(ifp, bw_cap); |
d48200ba | 5633 | } |
18d6c535 AS |
5634 | brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n", |
5635 | nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ], | |
5636 | bw_cap[IEEE80211_BAND_5GHZ]); | |
d48200ba | 5637 | |
4aca7a18 DK |
5638 | err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain); |
5639 | if (err) { | |
5640 | brcmf_err("rxchain error (%d)\n", err); | |
5641 | nchain = 1; | |
5642 | } else { | |
5643 | for (nchain = 0; rxchain; nchain++) | |
5644 | rxchain = rxchain & (rxchain - 1); | |
5645 | } | |
5646 | brcmf_dbg(INFO, "nchain=%d\n", nchain); | |
5647 | ||
b48d8916 | 5648 | err = brcmf_construct_chaninfo(cfg, bw_cap); |
d48200ba | 5649 | if (err) { |
b48d8916 | 5650 | brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err); |
d48200ba HM |
5651 | return err; |
5652 | } | |
5653 | ||
b48d8916 AS |
5654 | wiphy = cfg_to_wiphy(cfg); |
5655 | for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) { | |
5656 | band = wiphy->bands[i]; | |
5657 | if (band == NULL) | |
2375d970 | 5658 | continue; |
d48200ba | 5659 | |
18d6c535 AS |
5660 | if (nmode) |
5661 | brcmf_update_ht_cap(band, bw_cap, nchain); | |
5662 | if (vhtmode) | |
5663 | brcmf_update_vht_cap(band, bw_cap, nchain); | |
d48200ba HM |
5664 | } |
5665 | ||
b48d8916 | 5666 | return 0; |
5b435de0 AS |
5667 | } |
5668 | ||
aa70b4fa AS |
5669 | static const struct ieee80211_txrx_stypes |
5670 | brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { | |
5671 | [NL80211_IFTYPE_STATION] = { | |
5672 | .tx = 0xffff, | |
5673 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
5674 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
5675 | }, | |
5676 | [NL80211_IFTYPE_P2P_CLIENT] = { | |
5677 | .tx = 0xffff, | |
5678 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
5679 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
5680 | }, | |
5681 | [NL80211_IFTYPE_P2P_GO] = { | |
5682 | .tx = 0xffff, | |
5683 | .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | | |
5684 | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | | |
5685 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | | |
5686 | BIT(IEEE80211_STYPE_DISASSOC >> 4) | | |
5687 | BIT(IEEE80211_STYPE_AUTH >> 4) | | |
5688 | BIT(IEEE80211_STYPE_DEAUTH >> 4) | | |
5689 | BIT(IEEE80211_STYPE_ACTION >> 4) | |
5690 | }, | |
5691 | [NL80211_IFTYPE_P2P_DEVICE] = { | |
5692 | .tx = 0xffff, | |
5693 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
5694 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
5695 | } | |
5696 | }; | |
5697 | ||
2e5f66fe PF |
5698 | static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) |
5699 | { | |
5700 | struct ieee80211_iface_combination *combo = NULL; | |
5701 | struct ieee80211_iface_limit *limits = NULL; | |
5702 | int i = 0, max_iface_cnt; | |
5703 | ||
5704 | combo = kzalloc(sizeof(*combo), GFP_KERNEL); | |
5705 | if (!combo) | |
5706 | goto err; | |
5707 | ||
5708 | limits = kzalloc(sizeof(*limits) * 4, GFP_KERNEL); | |
5709 | if (!limits) | |
5710 | goto err; | |
5711 | ||
5712 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
5713 | BIT(NL80211_IFTYPE_ADHOC) | | |
5714 | BIT(NL80211_IFTYPE_AP); | |
5715 | ||
5716 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)) | |
5717 | combo->num_different_channels = 2; | |
5718 | else | |
5719 | combo->num_different_channels = 1; | |
5720 | ||
5721 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) { | |
5722 | limits[i].max = 1; | |
5723 | limits[i++].types = BIT(NL80211_IFTYPE_STATION); | |
5724 | limits[i].max = 4; | |
5725 | limits[i++].types = BIT(NL80211_IFTYPE_AP); | |
5726 | max_iface_cnt = 5; | |
5727 | } else { | |
5728 | limits[i].max = 2; | |
5729 | limits[i++].types = BIT(NL80211_IFTYPE_STATION) | | |
5730 | BIT(NL80211_IFTYPE_AP); | |
5731 | max_iface_cnt = 2; | |
5732 | } | |
5733 | ||
5734 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P)) { | |
5735 | wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
5736 | BIT(NL80211_IFTYPE_P2P_GO) | | |
5737 | BIT(NL80211_IFTYPE_P2P_DEVICE); | |
5738 | limits[i].max = 1; | |
5739 | limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
5740 | BIT(NL80211_IFTYPE_P2P_GO); | |
5741 | limits[i].max = 1; | |
5742 | limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); | |
5743 | max_iface_cnt += 2; | |
5744 | } | |
5745 | combo->max_interfaces = max_iface_cnt; | |
5746 | combo->limits = limits; | |
5747 | combo->n_limits = i; | |
5748 | ||
5749 | wiphy->iface_combinations = combo; | |
5750 | wiphy->n_iface_combinations = 1; | |
5751 | return 0; | |
5752 | ||
5753 | err: | |
5754 | kfree(limits); | |
5755 | kfree(combo); | |
5756 | return -ENOMEM; | |
5757 | } | |
5758 | ||
aa70b4fa AS |
5759 | static void brcmf_wiphy_pno_params(struct wiphy *wiphy) |
5760 | { | |
5761 | /* scheduled scan settings */ | |
5762 | wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; | |
5763 | wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; | |
5764 | wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; | |
5765 | wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; | |
5766 | } | |
5767 | ||
4eb3af7c HM |
5768 | #ifdef CONFIG_PM |
5769 | static const struct wiphy_wowlan_support brcmf_wowlan_support = { | |
5770 | .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT, | |
b9a82f89 HM |
5771 | .n_patterns = BRCMF_WOWL_MAXPATTERNS, |
5772 | .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE, | |
5773 | .pattern_min_len = 1, | |
5774 | .max_pkt_offset = 1500, | |
4eb3af7c HM |
5775 | }; |
5776 | #endif | |
5777 | ||
5778 | static void brcmf_wiphy_wowl_params(struct wiphy *wiphy) | |
5779 | { | |
5780 | #ifdef CONFIG_PM | |
5781 | /* wowl settings */ | |
5782 | wiphy->wowlan = &brcmf_wowlan_support; | |
5783 | #endif | |
5784 | } | |
5785 | ||
b48d8916 | 5786 | static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp) |
aa70b4fa | 5787 | { |
58de92d2 | 5788 | struct ieee80211_supported_band *band; |
58de92d2 AS |
5789 | __le32 bandlist[3]; |
5790 | u32 n_bands; | |
5791 | int err, i; | |
5792 | ||
aa70b4fa AS |
5793 | wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; |
5794 | wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; | |
5795 | wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; | |
2e5f66fe PF |
5796 | |
5797 | err = brcmf_setup_ifmodes(wiphy, ifp); | |
5798 | if (err) | |
5799 | return err; | |
5800 | ||
aa70b4fa AS |
5801 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
5802 | wiphy->cipher_suites = __wl_cipher_suites; | |
5803 | wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); | |
5804 | wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | | |
5805 | WIPHY_FLAG_OFFCHAN_TX | | |
5806 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | | |
5807 | WIPHY_FLAG_SUPPORTS_TDLS; | |
5808 | if (!brcmf_roamoff) | |
5809 | wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; | |
5810 | wiphy->mgmt_stypes = brcmf_txrx_stypes; | |
5811 | wiphy->max_remain_on_channel_duration = 5000; | |
7a7a87dc AS |
5812 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) |
5813 | brcmf_wiphy_pno_params(wiphy); | |
aa70b4fa AS |
5814 | |
5815 | /* vendor commands/events support */ | |
5816 | wiphy->vendor_commands = brcmf_vendor_cmds; | |
5817 | wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1; | |
5818 | ||
4eb3af7c HM |
5819 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL)) |
5820 | brcmf_wiphy_wowl_params(wiphy); | |
5821 | ||
58de92d2 AS |
5822 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, &bandlist, |
5823 | sizeof(bandlist)); | |
5824 | if (err) { | |
5825 | brcmf_err("could not obtain band info: err=%d\n", err); | |
5826 | return err; | |
5827 | } | |
5828 | /* first entry in bandlist is number of bands */ | |
5829 | n_bands = le32_to_cpu(bandlist[0]); | |
5830 | for (i = 1; i <= n_bands && i < ARRAY_SIZE(bandlist); i++) { | |
5831 | if (bandlist[i] == cpu_to_le32(WLC_BAND_2G)) { | |
5832 | band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz), | |
5833 | GFP_KERNEL); | |
5834 | if (!band) | |
5835 | return -ENOMEM; | |
5836 | ||
5837 | band->channels = kmemdup(&__wl_2ghz_channels, | |
5838 | sizeof(__wl_2ghz_channels), | |
5839 | GFP_KERNEL); | |
5840 | if (!band->channels) { | |
5841 | kfree(band); | |
5842 | return -ENOMEM; | |
5843 | } | |
5844 | ||
5845 | band->n_channels = ARRAY_SIZE(__wl_2ghz_channels); | |
5846 | wiphy->bands[IEEE80211_BAND_2GHZ] = band; | |
5847 | } | |
5848 | if (bandlist[i] == cpu_to_le32(WLC_BAND_5G)) { | |
5849 | band = kmemdup(&__wl_band_5ghz, sizeof(__wl_band_5ghz), | |
5850 | GFP_KERNEL); | |
5851 | if (!band) | |
5852 | return -ENOMEM; | |
5853 | ||
5854 | band->channels = kmemdup(&__wl_5ghz_channels, | |
5855 | sizeof(__wl_5ghz_channels), | |
5856 | GFP_KERNEL); | |
5857 | if (!band->channels) { | |
5858 | kfree(band); | |
5859 | return -ENOMEM; | |
5860 | } | |
5861 | ||
5862 | band->n_channels = ARRAY_SIZE(__wl_5ghz_channels); | |
5863 | wiphy->bands[IEEE80211_BAND_5GHZ] = band; | |
5864 | } | |
5865 | } | |
5866 | err = brcmf_setup_wiphybands(wiphy); | |
5867 | return err; | |
5b435de0 AS |
5868 | } |
5869 | ||
27a68fe3 | 5870 | static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
5871 | { |
5872 | struct net_device *ndev; | |
5873 | struct wireless_dev *wdev; | |
40a23296 | 5874 | struct brcmf_if *ifp; |
5b435de0 AS |
5875 | s32 power_mode; |
5876 | s32 err = 0; | |
5877 | ||
27a68fe3 | 5878 | if (cfg->dongle_up) |
5b435de0 AS |
5879 | return err; |
5880 | ||
27a68fe3 | 5881 | ndev = cfg_to_ndev(cfg); |
5b435de0 | 5882 | wdev = ndev->ieee80211_ptr; |
40a23296 HM |
5883 | ifp = netdev_priv(ndev); |
5884 | ||
5885 | /* make sure RF is ready for work */ | |
5886 | brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); | |
5b435de0 | 5887 | |
40a23296 HM |
5888 | brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME, |
5889 | WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); | |
5b435de0 | 5890 | |
27a68fe3 | 5891 | power_mode = cfg->pwr_save ? PM_FAST : PM_OFF; |
40a23296 | 5892 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode); |
5b435de0 AS |
5893 | if (err) |
5894 | goto default_conf_out; | |
647c9ae0 AS |
5895 | brcmf_dbg(INFO, "power save set to %s\n", |
5896 | (power_mode ? "enabled" : "disabled")); | |
5b435de0 | 5897 | |
68ca395f | 5898 | err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT); |
5b435de0 AS |
5899 | if (err) |
5900 | goto default_conf_out; | |
5dd161ff FL |
5901 | err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype, |
5902 | NULL, NULL); | |
40a23296 | 5903 | if (err) |
5b435de0 | 5904 | goto default_conf_out; |
5b435de0 | 5905 | |
b3657453 HM |
5906 | brcmf_configure_arp_offload(ifp, true); |
5907 | ||
27a68fe3 | 5908 | cfg->dongle_up = true; |
40a23296 | 5909 | default_conf_out: |
5b435de0 AS |
5910 | |
5911 | return err; | |
5912 | ||
5913 | } | |
5914 | ||
bdf5ff51 | 5915 | static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp) |
5b435de0 | 5916 | { |
c1179033 | 5917 | set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); |
5b435de0 | 5918 | |
bdf5ff51 | 5919 | return brcmf_config_dongle(ifp->drvr->config); |
5b435de0 AS |
5920 | } |
5921 | ||
bdf5ff51 | 5922 | static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp) |
5b435de0 | 5923 | { |
bdf5ff51 | 5924 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
c1179033 | 5925 | |
5b435de0 AS |
5926 | /* |
5927 | * While going down, if associated with AP disassociate | |
5928 | * from AP to save power | |
5929 | */ | |
903e0eee | 5930 | if (check_vif_up(ifp->vif)) { |
9b7a0ddc | 5931 | brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED); |
5b435de0 AS |
5932 | |
5933 | /* Make sure WPA_Supplicant receives all the event | |
5934 | generated due to DISASSOC call to the fw to keep | |
5935 | the state fw and WPA_Supplicant state consistent | |
5936 | */ | |
5937 | brcmf_delay(500); | |
5938 | } | |
5939 | ||
27a68fe3 | 5940 | brcmf_abort_scanning(cfg); |
c1179033 | 5941 | clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); |
5b435de0 | 5942 | |
5b435de0 AS |
5943 | return 0; |
5944 | } | |
5945 | ||
bdf5ff51 | 5946 | s32 brcmf_cfg80211_up(struct net_device *ndev) |
5b435de0 | 5947 | { |
bdf5ff51 AS |
5948 | struct brcmf_if *ifp = netdev_priv(ndev); |
5949 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
5b435de0 AS |
5950 | s32 err = 0; |
5951 | ||
27a68fe3 | 5952 | mutex_lock(&cfg->usr_sync); |
bdf5ff51 | 5953 | err = __brcmf_cfg80211_up(ifp); |
27a68fe3 | 5954 | mutex_unlock(&cfg->usr_sync); |
5b435de0 AS |
5955 | |
5956 | return err; | |
5957 | } | |
5958 | ||
bdf5ff51 | 5959 | s32 brcmf_cfg80211_down(struct net_device *ndev) |
5b435de0 | 5960 | { |
bdf5ff51 AS |
5961 | struct brcmf_if *ifp = netdev_priv(ndev); |
5962 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
5b435de0 AS |
5963 | s32 err = 0; |
5964 | ||
27a68fe3 | 5965 | mutex_lock(&cfg->usr_sync); |
bdf5ff51 | 5966 | err = __brcmf_cfg80211_down(ifp); |
27a68fe3 | 5967 | mutex_unlock(&cfg->usr_sync); |
5b435de0 AS |
5968 | |
5969 | return err; | |
5970 | } | |
5971 | ||
a7965fbb AS |
5972 | enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp) |
5973 | { | |
5974 | struct wireless_dev *wdev = &ifp->vif->wdev; | |
5975 | ||
5976 | return wdev->iftype; | |
5977 | } | |
5978 | ||
bfe81975 HM |
5979 | bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, |
5980 | unsigned long state) | |
9f440b7b AS |
5981 | { |
5982 | struct brcmf_cfg80211_vif *vif; | |
9f440b7b AS |
5983 | |
5984 | list_for_each_entry(vif, &cfg->vif_list, list) { | |
5985 | if (test_bit(state, &vif->sme_state)) | |
e843bb19 | 5986 | return true; |
9f440b7b | 5987 | } |
e843bb19 | 5988 | return false; |
9f440b7b | 5989 | } |
d3c0b633 AS |
5990 | |
5991 | static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, | |
5992 | u8 action) | |
5993 | { | |
5994 | u8 evt_action; | |
5995 | ||
5996 | mutex_lock(&event->vif_event_lock); | |
5997 | evt_action = event->action; | |
5998 | mutex_unlock(&event->vif_event_lock); | |
5999 | return evt_action == action; | |
6000 | } | |
6001 | ||
6002 | void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, | |
6003 | struct brcmf_cfg80211_vif *vif) | |
6004 | { | |
6005 | struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; | |
6006 | ||
6007 | mutex_lock(&event->vif_event_lock); | |
6008 | event->vif = vif; | |
6009 | event->action = 0; | |
6010 | mutex_unlock(&event->vif_event_lock); | |
6011 | } | |
6012 | ||
6013 | bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) | |
6014 | { | |
6015 | struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; | |
6016 | bool armed; | |
6017 | ||
6018 | mutex_lock(&event->vif_event_lock); | |
6019 | armed = event->vif != NULL; | |
6020 | mutex_unlock(&event->vif_event_lock); | |
6021 | ||
6022 | return armed; | |
6023 | } | |
6024 | int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, | |
6025 | u8 action, ulong timeout) | |
6026 | { | |
6027 | struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; | |
6028 | ||
6029 | return wait_event_timeout(event->vif_wq, | |
6030 | vif_event_equals(event, action), timeout); | |
6031 | } | |
6032 | ||
63db1a49 AS |
6033 | static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy, |
6034 | struct regulatory_request *req) | |
6035 | { | |
6036 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); | |
6037 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); | |
6038 | struct brcmf_fil_country_le ccreq; | |
6039 | int i; | |
6040 | ||
6041 | brcmf_dbg(TRACE, "enter: initiator=%d, alpha=%c%c\n", req->initiator, | |
6042 | req->alpha2[0], req->alpha2[1]); | |
6043 | ||
6044 | /* ignore non-ISO3166 country codes */ | |
6045 | for (i = 0; i < sizeof(req->alpha2); i++) | |
6046 | if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') { | |
6047 | brcmf_err("not a ISO3166 code\n"); | |
6048 | return; | |
6049 | } | |
6050 | memset(&ccreq, 0, sizeof(ccreq)); | |
6051 | ccreq.rev = cpu_to_le32(-1); | |
6052 | memcpy(ccreq.ccode, req->alpha2, sizeof(req->alpha2)); | |
8afe0ece AS |
6053 | if (brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq))) { |
6054 | brcmf_err("firmware rejected country setting\n"); | |
6055 | return; | |
6056 | } | |
6057 | brcmf_setup_wiphybands(wiphy); | |
63db1a49 AS |
6058 | } |
6059 | ||
b48d8916 AS |
6060 | static void brcmf_free_wiphy(struct wiphy *wiphy) |
6061 | { | |
58de92d2 AS |
6062 | if (!wiphy) |
6063 | return; | |
6064 | ||
2e5f66fe PF |
6065 | if (wiphy->iface_combinations) |
6066 | kfree(wiphy->iface_combinations->limits); | |
b48d8916 AS |
6067 | kfree(wiphy->iface_combinations); |
6068 | if (wiphy->bands[IEEE80211_BAND_2GHZ]) { | |
6069 | kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels); | |
6070 | kfree(wiphy->bands[IEEE80211_BAND_2GHZ]); | |
6071 | } | |
6072 | if (wiphy->bands[IEEE80211_BAND_5GHZ]) { | |
6073 | kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels); | |
6074 | kfree(wiphy->bands[IEEE80211_BAND_5GHZ]); | |
6075 | } | |
6076 | wiphy_free(wiphy); | |
6077 | } | |
6078 | ||
ccfd1e81 AS |
6079 | struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, |
6080 | struct device *busdev) | |
6081 | { | |
6082 | struct net_device *ndev = drvr->iflist[0]->ndev; | |
6083 | struct brcmf_cfg80211_info *cfg; | |
6084 | struct wiphy *wiphy; | |
6085 | struct brcmf_cfg80211_vif *vif; | |
6086 | struct brcmf_if *ifp; | |
6087 | s32 err = 0; | |
6088 | s32 io_type; | |
b48d8916 | 6089 | u16 *cap = NULL; |
ccfd1e81 AS |
6090 | |
6091 | if (!ndev) { | |
6092 | brcmf_err("ndev is invalid\n"); | |
6093 | return NULL; | |
6094 | } | |
6095 | ||
6096 | ifp = netdev_priv(ndev); | |
b48d8916 AS |
6097 | wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info)); |
6098 | if (!wiphy) { | |
6099 | brcmf_err("Could not allocate wiphy device\n"); | |
ccfd1e81 | 6100 | return NULL; |
b48d8916 | 6101 | } |
6896f4fb | 6102 | memcpy(wiphy->perm_addr, drvr->mac, ETH_ALEN); |
b48d8916 | 6103 | set_wiphy_dev(wiphy, busdev); |
ccfd1e81 AS |
6104 | |
6105 | cfg = wiphy_priv(wiphy); | |
6106 | cfg->wiphy = wiphy; | |
6107 | cfg->pub = drvr; | |
6108 | init_vif_event(&cfg->vif_event); | |
6109 | INIT_LIST_HEAD(&cfg->vif_list); | |
6110 | ||
6111 | vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false); | |
b48d8916 AS |
6112 | if (IS_ERR(vif)) |
6113 | goto wiphy_out; | |
ccfd1e81 AS |
6114 | |
6115 | vif->ifp = ifp; | |
6116 | vif->wdev.netdev = ndev; | |
6117 | ndev->ieee80211_ptr = &vif->wdev; | |
6118 | SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); | |
6119 | ||
6120 | err = wl_init_priv(cfg); | |
6121 | if (err) { | |
6122 | brcmf_err("Failed to init iwm_priv (%d)\n", err); | |
b48d8916 AS |
6123 | brcmf_free_vif(vif); |
6124 | goto wiphy_out; | |
ccfd1e81 AS |
6125 | } |
6126 | ifp->vif = vif; | |
6127 | ||
b48d8916 AS |
6128 | /* determine d11 io type before wiphy setup */ |
6129 | err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type); | |
ccfd1e81 | 6130 | if (err) { |
b48d8916 AS |
6131 | brcmf_err("Failed to get D11 version (%d)\n", err); |
6132 | goto priv_out; | |
ccfd1e81 | 6133 | } |
b48d8916 AS |
6134 | cfg->d11inf.io_type = (u8)io_type; |
6135 | brcmu_d11_attach(&cfg->d11inf); | |
6136 | ||
6137 | err = brcmf_setup_wiphy(wiphy, ifp); | |
6138 | if (err < 0) | |
6139 | goto priv_out; | |
6140 | ||
6141 | brcmf_dbg(INFO, "Registering custom regulatory\n"); | |
63db1a49 | 6142 | wiphy->reg_notifier = brcmf_cfg80211_reg_notifier; |
b48d8916 AS |
6143 | wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; |
6144 | wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); | |
6145 | ||
6146 | /* firmware defaults to 40MHz disabled in 2G band. We signal | |
6147 | * cfg80211 here that we do and have it decide we can enable | |
6148 | * it. But first check if device does support 2G operation. | |
6149 | */ | |
6150 | if (wiphy->bands[IEEE80211_BAND_2GHZ]) { | |
6151 | cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap; | |
6152 | *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
6153 | } | |
6154 | err = wiphy_register(wiphy); | |
6155 | if (err < 0) { | |
6156 | brcmf_err("Could not register wiphy device (%d)\n", err); | |
6157 | goto priv_out; | |
ccfd1e81 AS |
6158 | } |
6159 | ||
6160 | /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(), | |
6161 | * setup 40MHz in 2GHz band and enable OBSS scanning. | |
6162 | */ | |
b48d8916 AS |
6163 | if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) { |
6164 | err = brcmf_enable_bw40_2g(cfg); | |
ccfd1e81 AS |
6165 | if (!err) |
6166 | err = brcmf_fil_iovar_int_set(ifp, "obss_coex", | |
6167 | BRCMF_OBSS_COEX_AUTO); | |
b48d8916 AS |
6168 | else |
6169 | *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
ccfd1e81 | 6170 | } |
ccfd1e81 | 6171 | |
b48d8916 | 6172 | err = brcmf_p2p_attach(cfg); |
ccfd1e81 | 6173 | if (err) { |
b48d8916 AS |
6174 | brcmf_err("P2P initilisation failed (%d)\n", err); |
6175 | goto wiphy_unreg_out; | |
6176 | } | |
6177 | err = brcmf_btcoex_attach(cfg); | |
6178 | if (err) { | |
6179 | brcmf_err("BT-coex initialisation failed (%d)\n", err); | |
6180 | brcmf_p2p_detach(&cfg->p2p); | |
6181 | goto wiphy_unreg_out; | |
ccfd1e81 AS |
6182 | } |
6183 | ||
b48d8916 | 6184 | err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); |
ccfd1e81 | 6185 | if (err) { |
b48d8916 AS |
6186 | brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err); |
6187 | wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS; | |
70b7d94b HM |
6188 | } else { |
6189 | brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT, | |
6190 | brcmf_notify_tdls_peer_event); | |
ccfd1e81 | 6191 | } |
ccfd1e81 AS |
6192 | |
6193 | return cfg; | |
6194 | ||
b48d8916 AS |
6195 | wiphy_unreg_out: |
6196 | wiphy_unregister(cfg->wiphy); | |
6197 | priv_out: | |
ccfd1e81 | 6198 | wl_deinit_priv(cfg); |
ccfd1e81 | 6199 | brcmf_free_vif(vif); |
b48d8916 AS |
6200 | wiphy_out: |
6201 | brcmf_free_wiphy(wiphy); | |
ccfd1e81 AS |
6202 | return NULL; |
6203 | } | |
6204 | ||
6205 | void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) | |
6206 | { | |
6207 | if (!cfg) | |
6208 | return; | |
6209 | ||
ccfd1e81 | 6210 | brcmf_btcoex_detach(cfg); |
f7a40873 | 6211 | wiphy_unregister(cfg->wiphy); |
ccfd1e81 | 6212 | wl_deinit_priv(cfg); |
b48d8916 | 6213 | brcmf_free_wiphy(cfg->wiphy); |
ccfd1e81 | 6214 | } |