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1 | /* | |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ | |
18 | ||
19 | #include <linux/kernel.h> | |
20 | #include <linux/etherdevice.h> | |
21 | #include <linux/module.h> | |
22 | #include <linux/vmalloc.h> | |
23 | #include <net/cfg80211.h> | |
24 | #include <net/netlink.h> | |
25 | ||
26 | #include <brcmu_utils.h> | |
27 | #include <defs.h> | |
28 | #include <brcmu_wifi.h> | |
29 | #include "core.h" | |
30 | #include "debug.h" | |
31 | #include "tracepoint.h" | |
32 | #include "fwil_types.h" | |
33 | #include "p2p.h" | |
34 | #include "btcoex.h" | |
35 | #include "cfg80211.h" | |
36 | #include "feature.h" | |
37 | #include "fwil.h" | |
38 | #include "proto.h" | |
39 | #include "vendor.h" | |
40 | #include "bus.h" | |
41 | #include "common.h" | |
42 | ||
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 | ||
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 | |
59 | #define WPS_OUI_TYPE 4 | |
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_AKM_SHA256_1X 5 /* SHA256, 802.1X */ | |
76 | #define RSN_AKM_SHA256_PSK 6 /* SHA256, Pre-shared Key */ | |
77 | #define RSN_CAP_LEN 2 /* Length of RSN capabilities */ | |
78 | #define RSN_CAP_PTK_REPLAY_CNTR_MASK (BIT(2) | BIT(3)) | |
79 | #define RSN_CAP_MFPR_MASK BIT(6) | |
80 | #define RSN_CAP_MFPC_MASK BIT(7) | |
81 | #define RSN_PMKID_COUNT_LEN 2 | |
82 | ||
83 | #define VNDR_IE_CMD_LEN 4 /* length of the set command | |
84 | * string :"add", "del" (+ NUL) | |
85 | */ | |
86 | #define VNDR_IE_COUNT_OFFSET 4 | |
87 | #define VNDR_IE_PKTFLAG_OFFSET 8 | |
88 | #define VNDR_IE_VSIE_OFFSET 12 | |
89 | #define VNDR_IE_HDR_SIZE 12 | |
90 | #define VNDR_IE_PARSE_LIMIT 5 | |
91 | ||
92 | #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */ | |
93 | #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */ | |
94 | ||
95 | #define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320 | |
96 | #define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400 | |
97 | #define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20 | |
98 | ||
99 | #define BRCMF_SCAN_CHANNEL_TIME 40 | |
100 | #define BRCMF_SCAN_UNASSOC_TIME 40 | |
101 | #define BRCMF_SCAN_PASSIVE_TIME 120 | |
102 | ||
103 | #define BRCMF_ND_INFO_TIMEOUT msecs_to_jiffies(2000) | |
104 | ||
105 | #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ | |
106 | (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) | |
107 | ||
108 | static bool check_vif_up(struct brcmf_cfg80211_vif *vif) | |
109 | { | |
110 | if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) { | |
111 | brcmf_dbg(INFO, "device is not ready : status (%lu)\n", | |
112 | vif->sme_state); | |
113 | return false; | |
114 | } | |
115 | return true; | |
116 | } | |
117 | ||
118 | #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) | |
119 | #define RATETAB_ENT(_rateid, _flags) \ | |
120 | { \ | |
121 | .bitrate = RATE_TO_BASE100KBPS(_rateid), \ | |
122 | .hw_value = (_rateid), \ | |
123 | .flags = (_flags), \ | |
124 | } | |
125 | ||
126 | static struct ieee80211_rate __wl_rates[] = { | |
127 | RATETAB_ENT(BRCM_RATE_1M, 0), | |
128 | RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), | |
129 | RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), | |
130 | RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), | |
131 | RATETAB_ENT(BRCM_RATE_6M, 0), | |
132 | RATETAB_ENT(BRCM_RATE_9M, 0), | |
133 | RATETAB_ENT(BRCM_RATE_12M, 0), | |
134 | RATETAB_ENT(BRCM_RATE_18M, 0), | |
135 | RATETAB_ENT(BRCM_RATE_24M, 0), | |
136 | RATETAB_ENT(BRCM_RATE_36M, 0), | |
137 | RATETAB_ENT(BRCM_RATE_48M, 0), | |
138 | RATETAB_ENT(BRCM_RATE_54M, 0), | |
139 | }; | |
140 | ||
141 | #define wl_g_rates (__wl_rates + 0) | |
142 | #define wl_g_rates_size ARRAY_SIZE(__wl_rates) | |
143 | #define wl_a_rates (__wl_rates + 4) | |
144 | #define wl_a_rates_size (wl_g_rates_size - 4) | |
145 | ||
146 | #define CHAN2G(_channel, _freq) { \ | |
147 | .band = NL80211_BAND_2GHZ, \ | |
148 | .center_freq = (_freq), \ | |
149 | .hw_value = (_channel), \ | |
150 | .flags = IEEE80211_CHAN_DISABLED, \ | |
151 | .max_antenna_gain = 0, \ | |
152 | .max_power = 30, \ | |
153 | } | |
154 | ||
155 | #define CHAN5G(_channel) { \ | |
156 | .band = NL80211_BAND_5GHZ, \ | |
157 | .center_freq = 5000 + (5 * (_channel)), \ | |
158 | .hw_value = (_channel), \ | |
159 | .flags = IEEE80211_CHAN_DISABLED, \ | |
160 | .max_antenna_gain = 0, \ | |
161 | .max_power = 30, \ | |
162 | } | |
163 | ||
164 | static struct ieee80211_channel __wl_2ghz_channels[] = { | |
165 | CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427), | |
166 | CHAN2G(5, 2432), CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447), | |
167 | CHAN2G(9, 2452), CHAN2G(10, 2457), CHAN2G(11, 2462), CHAN2G(12, 2467), | |
168 | CHAN2G(13, 2472), CHAN2G(14, 2484) | |
169 | }; | |
170 | ||
171 | static struct ieee80211_channel __wl_5ghz_channels[] = { | |
172 | CHAN5G(34), CHAN5G(36), CHAN5G(38), CHAN5G(40), CHAN5G(42), | |
173 | CHAN5G(44), CHAN5G(46), CHAN5G(48), CHAN5G(52), CHAN5G(56), | |
174 | CHAN5G(60), CHAN5G(64), CHAN5G(100), CHAN5G(104), CHAN5G(108), | |
175 | CHAN5G(112), CHAN5G(116), CHAN5G(120), CHAN5G(124), CHAN5G(128), | |
176 | CHAN5G(132), CHAN5G(136), CHAN5G(140), CHAN5G(144), CHAN5G(149), | |
177 | CHAN5G(153), CHAN5G(157), CHAN5G(161), CHAN5G(165) | |
178 | }; | |
179 | ||
180 | /* Band templates duplicated per wiphy. The channel info | |
181 | * above is added to the band during setup. | |
182 | */ | |
183 | static const struct ieee80211_supported_band __wl_band_2ghz = { | |
184 | .band = NL80211_BAND_2GHZ, | |
185 | .bitrates = wl_g_rates, | |
186 | .n_bitrates = wl_g_rates_size, | |
187 | }; | |
188 | ||
189 | static const struct ieee80211_supported_band __wl_band_5ghz = { | |
190 | .band = NL80211_BAND_5GHZ, | |
191 | .bitrates = wl_a_rates, | |
192 | .n_bitrates = wl_a_rates_size, | |
193 | }; | |
194 | ||
195 | /* This is to override regulatory domains defined in cfg80211 module (reg.c) | |
196 | * By default world regulatory domain defined in reg.c puts the flags | |
197 | * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165). | |
198 | * With respect to these flags, wpa_supplicant doesn't * start p2p | |
199 | * operations on 5GHz channels. All the changes in world regulatory | |
200 | * domain are to be done here. | |
201 | */ | |
202 | static const struct ieee80211_regdomain brcmf_regdom = { | |
203 | .n_reg_rules = 4, | |
204 | .alpha2 = "99", | |
205 | .reg_rules = { | |
206 | /* IEEE 802.11b/g, channels 1..11 */ | |
207 | REG_RULE(2412-10, 2472+10, 40, 6, 20, 0), | |
208 | /* If any */ | |
209 | /* IEEE 802.11 channel 14 - Only JP enables | |
210 | * this and for 802.11b only | |
211 | */ | |
212 | REG_RULE(2484-10, 2484+10, 20, 6, 20, 0), | |
213 | /* IEEE 802.11a, channel 36..64 */ | |
214 | REG_RULE(5150-10, 5350+10, 80, 6, 20, 0), | |
215 | /* IEEE 802.11a, channel 100..165 */ | |
216 | REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), } | |
217 | }; | |
218 | ||
219 | /* Note: brcmf_cipher_suites is an array of int defining which cipher suites | |
220 | * are supported. A pointer to this array and the number of entries is passed | |
221 | * on to upper layers. AES_CMAC defines whether or not the driver supports MFP. | |
222 | * So the cipher suite AES_CMAC has to be the last one in the array, and when | |
223 | * device does not support MFP then the number of suites will be decreased by 1 | |
224 | */ | |
225 | static const u32 brcmf_cipher_suites[] = { | |
226 | WLAN_CIPHER_SUITE_WEP40, | |
227 | WLAN_CIPHER_SUITE_WEP104, | |
228 | WLAN_CIPHER_SUITE_TKIP, | |
229 | WLAN_CIPHER_SUITE_CCMP, | |
230 | /* Keep as last entry: */ | |
231 | WLAN_CIPHER_SUITE_AES_CMAC | |
232 | }; | |
233 | ||
234 | /* Vendor specific ie. id = 221, oui and type defines exact ie */ | |
235 | struct brcmf_vs_tlv { | |
236 | u8 id; | |
237 | u8 len; | |
238 | u8 oui[3]; | |
239 | u8 oui_type; | |
240 | }; | |
241 | ||
242 | struct parsed_vndr_ie_info { | |
243 | u8 *ie_ptr; | |
244 | u32 ie_len; /* total length including id & length field */ | |
245 | struct brcmf_vs_tlv vndrie; | |
246 | }; | |
247 | ||
248 | struct parsed_vndr_ies { | |
249 | u32 count; | |
250 | struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT]; | |
251 | }; | |
252 | ||
253 | static u8 nl80211_band_to_fwil(enum nl80211_band band) | |
254 | { | |
255 | switch (band) { | |
256 | case NL80211_BAND_2GHZ: | |
257 | return WLC_BAND_2G; | |
258 | case NL80211_BAND_5GHZ: | |
259 | return WLC_BAND_5G; | |
260 | default: | |
261 | WARN_ON(1); | |
262 | break; | |
263 | } | |
264 | return 0; | |
265 | } | |
266 | ||
267 | static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, | |
268 | struct cfg80211_chan_def *ch) | |
269 | { | |
270 | struct brcmu_chan ch_inf; | |
271 | s32 primary_offset; | |
272 | ||
273 | brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n", | |
274 | ch->chan->center_freq, ch->center_freq1, ch->width); | |
275 | ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1); | |
276 | primary_offset = ch->chan->center_freq - ch->center_freq1; | |
277 | switch (ch->width) { | |
278 | case NL80211_CHAN_WIDTH_20: | |
279 | case NL80211_CHAN_WIDTH_20_NOHT: | |
280 | ch_inf.bw = BRCMU_CHAN_BW_20; | |
281 | WARN_ON(primary_offset != 0); | |
282 | break; | |
283 | case NL80211_CHAN_WIDTH_40: | |
284 | ch_inf.bw = BRCMU_CHAN_BW_40; | |
285 | if (primary_offset > 0) | |
286 | ch_inf.sb = BRCMU_CHAN_SB_U; | |
287 | else | |
288 | ch_inf.sb = BRCMU_CHAN_SB_L; | |
289 | break; | |
290 | case NL80211_CHAN_WIDTH_80: | |
291 | ch_inf.bw = BRCMU_CHAN_BW_80; | |
292 | if (primary_offset == -30) | |
293 | ch_inf.sb = BRCMU_CHAN_SB_LL; | |
294 | else if (primary_offset == -10) | |
295 | ch_inf.sb = BRCMU_CHAN_SB_LU; | |
296 | else if (primary_offset == 10) | |
297 | ch_inf.sb = BRCMU_CHAN_SB_UL; | |
298 | else | |
299 | ch_inf.sb = BRCMU_CHAN_SB_UU; | |
300 | break; | |
301 | case NL80211_CHAN_WIDTH_80P80: | |
302 | case NL80211_CHAN_WIDTH_160: | |
303 | case NL80211_CHAN_WIDTH_5: | |
304 | case NL80211_CHAN_WIDTH_10: | |
305 | default: | |
306 | WARN_ON_ONCE(1); | |
307 | } | |
308 | switch (ch->chan->band) { | |
309 | case NL80211_BAND_2GHZ: | |
310 | ch_inf.band = BRCMU_CHAN_BAND_2G; | |
311 | break; | |
312 | case NL80211_BAND_5GHZ: | |
313 | ch_inf.band = BRCMU_CHAN_BAND_5G; | |
314 | break; | |
315 | case NL80211_BAND_60GHZ: | |
316 | default: | |
317 | WARN_ON_ONCE(1); | |
318 | } | |
319 | d11inf->encchspec(&ch_inf); | |
320 | ||
321 | return ch_inf.chspec; | |
322 | } | |
323 | ||
324 | u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, | |
325 | struct ieee80211_channel *ch) | |
326 | { | |
327 | struct brcmu_chan ch_inf; | |
328 | ||
329 | ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq); | |
330 | ch_inf.bw = BRCMU_CHAN_BW_20; | |
331 | d11inf->encchspec(&ch_inf); | |
332 | ||
333 | return ch_inf.chspec; | |
334 | } | |
335 | ||
336 | /* Traverse a string of 1-byte tag/1-byte length/variable-length value | |
337 | * triples, returning a pointer to the substring whose first element | |
338 | * matches tag | |
339 | */ | |
340 | const struct brcmf_tlv * | |
341 | brcmf_parse_tlvs(const void *buf, int buflen, uint key) | |
342 | { | |
343 | const struct brcmf_tlv *elt = buf; | |
344 | int totlen = buflen; | |
345 | ||
346 | /* find tagged parameter */ | |
347 | while (totlen >= TLV_HDR_LEN) { | |
348 | int len = elt->len; | |
349 | ||
350 | /* validate remaining totlen */ | |
351 | if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) | |
352 | return elt; | |
353 | ||
354 | elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN)); | |
355 | totlen -= (len + TLV_HDR_LEN); | |
356 | } | |
357 | ||
358 | return NULL; | |
359 | } | |
360 | ||
361 | /* Is any of the tlvs the expected entry? If | |
362 | * not update the tlvs buffer pointer/length. | |
363 | */ | |
364 | static bool | |
365 | brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, | |
366 | const u8 *oui, u32 oui_len, u8 type) | |
367 | { | |
368 | /* If the contents match the OUI and the type */ | |
369 | if (ie[TLV_LEN_OFF] >= oui_len + 1 && | |
370 | !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && | |
371 | type == ie[TLV_BODY_OFF + oui_len]) { | |
372 | return true; | |
373 | } | |
374 | ||
375 | if (tlvs == NULL) | |
376 | return false; | |
377 | /* point to the next ie */ | |
378 | ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; | |
379 | /* calculate the length of the rest of the buffer */ | |
380 | *tlvs_len -= (int)(ie - *tlvs); | |
381 | /* update the pointer to the start of the buffer */ | |
382 | *tlvs = ie; | |
383 | ||
384 | return false; | |
385 | } | |
386 | ||
387 | static struct brcmf_vs_tlv * | |
388 | brcmf_find_wpaie(const u8 *parse, u32 len) | |
389 | { | |
390 | const struct brcmf_tlv *ie; | |
391 | ||
392 | while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { | |
393 | if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len, | |
394 | WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) | |
395 | return (struct brcmf_vs_tlv *)ie; | |
396 | } | |
397 | return NULL; | |
398 | } | |
399 | ||
400 | static struct brcmf_vs_tlv * | |
401 | brcmf_find_wpsie(const u8 *parse, u32 len) | |
402 | { | |
403 | const struct brcmf_tlv *ie; | |
404 | ||
405 | while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { | |
406 | if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, | |
407 | WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE)) | |
408 | return (struct brcmf_vs_tlv *)ie; | |
409 | } | |
410 | return NULL; | |
411 | } | |
412 | ||
413 | static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg, | |
414 | struct brcmf_cfg80211_vif *vif, | |
415 | enum nl80211_iftype new_type) | |
416 | { | |
417 | int iftype_num[NUM_NL80211_IFTYPES]; | |
418 | struct brcmf_cfg80211_vif *pos; | |
419 | bool check_combos = false; | |
420 | int ret = 0; | |
421 | ||
422 | memset(&iftype_num[0], 0, sizeof(iftype_num)); | |
423 | list_for_each_entry(pos, &cfg->vif_list, list) | |
424 | if (pos == vif) { | |
425 | iftype_num[new_type]++; | |
426 | } else { | |
427 | /* concurrent interfaces so need check combinations */ | |
428 | check_combos = true; | |
429 | iftype_num[pos->wdev.iftype]++; | |
430 | } | |
431 | ||
432 | if (check_combos) | |
433 | ret = cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num); | |
434 | ||
435 | return ret; | |
436 | } | |
437 | ||
438 | static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg, | |
439 | enum nl80211_iftype new_type) | |
440 | { | |
441 | int iftype_num[NUM_NL80211_IFTYPES]; | |
442 | struct brcmf_cfg80211_vif *pos; | |
443 | ||
444 | memset(&iftype_num[0], 0, sizeof(iftype_num)); | |
445 | list_for_each_entry(pos, &cfg->vif_list, list) | |
446 | iftype_num[pos->wdev.iftype]++; | |
447 | ||
448 | iftype_num[new_type]++; | |
449 | return cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num); | |
450 | } | |
451 | ||
452 | static void convert_key_from_CPU(struct brcmf_wsec_key *key, | |
453 | struct brcmf_wsec_key_le *key_le) | |
454 | { | |
455 | key_le->index = cpu_to_le32(key->index); | |
456 | key_le->len = cpu_to_le32(key->len); | |
457 | key_le->algo = cpu_to_le32(key->algo); | |
458 | key_le->flags = cpu_to_le32(key->flags); | |
459 | key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi); | |
460 | key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo); | |
461 | key_le->iv_initialized = cpu_to_le32(key->iv_initialized); | |
462 | memcpy(key_le->data, key->data, sizeof(key->data)); | |
463 | memcpy(key_le->ea, key->ea, sizeof(key->ea)); | |
464 | } | |
465 | ||
466 | static int | |
467 | send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key) | |
468 | { | |
469 | int err; | |
470 | struct brcmf_wsec_key_le key_le; | |
471 | ||
472 | convert_key_from_CPU(key, &key_le); | |
473 | ||
474 | brcmf_netdev_wait_pend8021x(ifp); | |
475 | ||
476 | err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le, | |
477 | sizeof(key_le)); | |
478 | ||
479 | if (err) | |
480 | brcmf_err("wsec_key error (%d)\n", err); | |
481 | return err; | |
482 | } | |
483 | ||
484 | static s32 | |
485 | brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable) | |
486 | { | |
487 | s32 err; | |
488 | u32 mode; | |
489 | ||
490 | if (enable) | |
491 | mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY; | |
492 | else | |
493 | mode = 0; | |
494 | ||
495 | /* Try to set and enable ARP offload feature, this may fail, then it */ | |
496 | /* is simply not supported and err 0 will be returned */ | |
497 | err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode); | |
498 | if (err) { | |
499 | brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n", | |
500 | mode, err); | |
501 | err = 0; | |
502 | } else { | |
503 | err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable); | |
504 | if (err) { | |
505 | brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n", | |
506 | enable, err); | |
507 | err = 0; | |
508 | } else | |
509 | brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n", | |
510 | enable, mode); | |
511 | } | |
512 | ||
513 | err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable); | |
514 | if (err) { | |
515 | brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n", | |
516 | enable, err); | |
517 | err = 0; | |
518 | } else | |
519 | brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n", | |
520 | enable, mode); | |
521 | ||
522 | return err; | |
523 | } | |
524 | ||
525 | static void | |
526 | brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev) | |
527 | { | |
528 | struct brcmf_cfg80211_vif *vif; | |
529 | struct brcmf_if *ifp; | |
530 | ||
531 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); | |
532 | ifp = vif->ifp; | |
533 | ||
534 | if ((wdev->iftype == NL80211_IFTYPE_ADHOC) || | |
535 | (wdev->iftype == NL80211_IFTYPE_AP) || | |
536 | (wdev->iftype == NL80211_IFTYPE_P2P_GO)) | |
537 | brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, | |
538 | ADDR_DIRECT); | |
539 | else | |
540 | brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, | |
541 | ADDR_INDIRECT); | |
542 | } | |
543 | ||
544 | static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp) | |
545 | { | |
546 | struct brcmf_mbss_ssid_le mbss_ssid_le; | |
547 | int bsscfgidx; | |
548 | int err; | |
549 | ||
550 | memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le)); | |
551 | bsscfgidx = brcmf_get_next_free_bsscfgidx(ifp->drvr); | |
552 | if (bsscfgidx < 0) | |
553 | return bsscfgidx; | |
554 | ||
555 | mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx); | |
556 | mbss_ssid_le.SSID_len = cpu_to_le32(5); | |
557 | sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx); | |
558 | ||
559 | err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le, | |
560 | sizeof(mbss_ssid_le)); | |
561 | if (err < 0) | |
562 | brcmf_err("setting ssid failed %d\n", err); | |
563 | ||
564 | return err; | |
565 | } | |
566 | ||
567 | /** | |
568 | * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS | |
569 | * | |
570 | * @wiphy: wiphy device of new interface. | |
571 | * @name: name of the new interface. | |
572 | * @flags: not used. | |
573 | * @params: contains mac address for AP device. | |
574 | */ | |
575 | static | |
576 | struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name, | |
577 | u32 *flags, struct vif_params *params) | |
578 | { | |
579 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
580 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); | |
581 | struct brcmf_cfg80211_vif *vif; | |
582 | int err; | |
583 | ||
584 | if (brcmf_cfg80211_vif_event_armed(cfg)) | |
585 | return ERR_PTR(-EBUSY); | |
586 | ||
587 | brcmf_dbg(INFO, "Adding vif \"%s\"\n", name); | |
588 | ||
589 | vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false); | |
590 | if (IS_ERR(vif)) | |
591 | return (struct wireless_dev *)vif; | |
592 | ||
593 | brcmf_cfg80211_arm_vif_event(cfg, vif); | |
594 | ||
595 | err = brcmf_cfg80211_request_ap_if(ifp); | |
596 | if (err) { | |
597 | brcmf_cfg80211_arm_vif_event(cfg, NULL); | |
598 | goto fail; | |
599 | } | |
600 | ||
601 | /* wait for firmware event */ | |
602 | err = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_ADD, | |
603 | BRCMF_VIF_EVENT_TIMEOUT); | |
604 | brcmf_cfg80211_arm_vif_event(cfg, NULL); | |
605 | if (!err) { | |
606 | brcmf_err("timeout occurred\n"); | |
607 | err = -EIO; | |
608 | goto fail; | |
609 | } | |
610 | ||
611 | /* interface created in firmware */ | |
612 | ifp = vif->ifp; | |
613 | if (!ifp) { | |
614 | brcmf_err("no if pointer provided\n"); | |
615 | err = -ENOENT; | |
616 | goto fail; | |
617 | } | |
618 | ||
619 | strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1); | |
620 | err = brcmf_net_attach(ifp, true); | |
621 | if (err) { | |
622 | brcmf_err("Registering netdevice failed\n"); | |
623 | goto fail; | |
624 | } | |
625 | ||
626 | return &ifp->vif->wdev; | |
627 | ||
628 | fail: | |
629 | brcmf_free_vif(vif); | |
630 | return ERR_PTR(err); | |
631 | } | |
632 | ||
633 | static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif) | |
634 | { | |
635 | enum nl80211_iftype iftype; | |
636 | ||
637 | iftype = vif->wdev.iftype; | |
638 | return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO; | |
639 | } | |
640 | ||
641 | static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif) | |
642 | { | |
643 | return vif->wdev.iftype == NL80211_IFTYPE_ADHOC; | |
644 | } | |
645 | ||
646 | static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, | |
647 | const char *name, | |
648 | unsigned char name_assign_type, | |
649 | enum nl80211_iftype type, | |
650 | u32 *flags, | |
651 | struct vif_params *params) | |
652 | { | |
653 | struct wireless_dev *wdev; | |
654 | int err; | |
655 | ||
656 | brcmf_dbg(TRACE, "enter: %s type %d\n", name, type); | |
657 | err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type); | |
658 | if (err) { | |
659 | brcmf_err("iface validation failed: err=%d\n", err); | |
660 | return ERR_PTR(err); | |
661 | } | |
662 | switch (type) { | |
663 | case NL80211_IFTYPE_ADHOC: | |
664 | case NL80211_IFTYPE_STATION: | |
665 | case NL80211_IFTYPE_AP_VLAN: | |
666 | case NL80211_IFTYPE_WDS: | |
667 | case NL80211_IFTYPE_MONITOR: | |
668 | case NL80211_IFTYPE_MESH_POINT: | |
669 | return ERR_PTR(-EOPNOTSUPP); | |
670 | case NL80211_IFTYPE_AP: | |
671 | wdev = brcmf_ap_add_vif(wiphy, name, flags, params); | |
672 | if (!IS_ERR(wdev)) | |
673 | brcmf_cfg80211_update_proto_addr_mode(wdev); | |
674 | return wdev; | |
675 | case NL80211_IFTYPE_P2P_CLIENT: | |
676 | case NL80211_IFTYPE_P2P_GO: | |
677 | case NL80211_IFTYPE_P2P_DEVICE: | |
678 | wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, flags, params); | |
679 | if (!IS_ERR(wdev)) | |
680 | brcmf_cfg80211_update_proto_addr_mode(wdev); | |
681 | return wdev; | |
682 | case NL80211_IFTYPE_UNSPECIFIED: | |
683 | default: | |
684 | return ERR_PTR(-EINVAL); | |
685 | } | |
686 | } | |
687 | ||
688 | static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc) | |
689 | { | |
690 | if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC)) | |
691 | brcmf_set_mpc(ifp, mpc); | |
692 | } | |
693 | ||
694 | void brcmf_set_mpc(struct brcmf_if *ifp, int mpc) | |
695 | { | |
696 | s32 err = 0; | |
697 | ||
698 | if (check_vif_up(ifp->vif)) { | |
699 | err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc); | |
700 | if (err) { | |
701 | brcmf_err("fail to set mpc\n"); | |
702 | return; | |
703 | } | |
704 | brcmf_dbg(INFO, "MPC : %d\n", mpc); | |
705 | } | |
706 | } | |
707 | ||
708 | s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, | |
709 | struct brcmf_if *ifp, bool aborted, | |
710 | bool fw_abort) | |
711 | { | |
712 | struct brcmf_scan_params_le params_le; | |
713 | struct cfg80211_scan_request *scan_request; | |
714 | s32 err = 0; | |
715 | ||
716 | brcmf_dbg(SCAN, "Enter\n"); | |
717 | ||
718 | /* clear scan request, because the FW abort can cause a second call */ | |
719 | /* to this functon and might cause a double cfg80211_scan_done */ | |
720 | scan_request = cfg->scan_request; | |
721 | cfg->scan_request = NULL; | |
722 | ||
723 | if (timer_pending(&cfg->escan_timeout)) | |
724 | del_timer_sync(&cfg->escan_timeout); | |
725 | ||
726 | if (fw_abort) { | |
727 | /* Do a scan abort to stop the driver's scan engine */ | |
728 | brcmf_dbg(SCAN, "ABORT scan in firmware\n"); | |
729 | memset(¶ms_le, 0, sizeof(params_le)); | |
730 | eth_broadcast_addr(params_le.bssid); | |
731 | params_le.bss_type = DOT11_BSSTYPE_ANY; | |
732 | params_le.scan_type = 0; | |
733 | params_le.channel_num = cpu_to_le32(1); | |
734 | params_le.nprobes = cpu_to_le32(1); | |
735 | params_le.active_time = cpu_to_le32(-1); | |
736 | params_le.passive_time = cpu_to_le32(-1); | |
737 | params_le.home_time = cpu_to_le32(-1); | |
738 | /* Scan is aborted by setting channel_list[0] to -1 */ | |
739 | params_le.channel_list[0] = cpu_to_le16(-1); | |
740 | /* E-Scan (or anyother type) can be aborted by SCAN */ | |
741 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, | |
742 | ¶ms_le, sizeof(params_le)); | |
743 | if (err) | |
744 | brcmf_err("Scan abort failed\n"); | |
745 | } | |
746 | ||
747 | brcmf_scan_config_mpc(ifp, 1); | |
748 | ||
749 | /* | |
750 | * e-scan can be initiated by scheduled scan | |
751 | * which takes precedence. | |
752 | */ | |
753 | if (cfg->sched_escan) { | |
754 | brcmf_dbg(SCAN, "scheduled scan completed\n"); | |
755 | cfg->sched_escan = false; | |
756 | if (!aborted) | |
757 | cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); | |
758 | } else if (scan_request) { | |
759 | brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", | |
760 | aborted ? "Aborted" : "Done"); | |
761 | cfg80211_scan_done(scan_request, aborted); | |
762 | } | |
763 | if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) | |
764 | brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n"); | |
765 | ||
766 | return err; | |
767 | } | |
768 | ||
769 | static | |
770 | int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) | |
771 | { | |
772 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); | |
773 | struct net_device *ndev = wdev->netdev; | |
774 | ||
775 | /* vif event pending in firmware */ | |
776 | if (brcmf_cfg80211_vif_event_armed(cfg)) | |
777 | return -EBUSY; | |
778 | ||
779 | if (ndev) { | |
780 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) && | |
781 | cfg->escan_info.ifp == netdev_priv(ndev)) | |
782 | brcmf_notify_escan_complete(cfg, netdev_priv(ndev), | |
783 | true, true); | |
784 | ||
785 | brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1); | |
786 | } | |
787 | ||
788 | switch (wdev->iftype) { | |
789 | case NL80211_IFTYPE_ADHOC: | |
790 | case NL80211_IFTYPE_STATION: | |
791 | case NL80211_IFTYPE_AP: | |
792 | case NL80211_IFTYPE_AP_VLAN: | |
793 | case NL80211_IFTYPE_WDS: | |
794 | case NL80211_IFTYPE_MONITOR: | |
795 | case NL80211_IFTYPE_MESH_POINT: | |
796 | return -EOPNOTSUPP; | |
797 | case NL80211_IFTYPE_P2P_CLIENT: | |
798 | case NL80211_IFTYPE_P2P_GO: | |
799 | case NL80211_IFTYPE_P2P_DEVICE: | |
800 | return brcmf_p2p_del_vif(wiphy, wdev); | |
801 | case NL80211_IFTYPE_UNSPECIFIED: | |
802 | default: | |
803 | return -EINVAL; | |
804 | } | |
805 | return -EOPNOTSUPP; | |
806 | } | |
807 | ||
808 | static s32 | |
809 | brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, | |
810 | enum nl80211_iftype type, u32 *flags, | |
811 | struct vif_params *params) | |
812 | { | |
813 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); | |
814 | struct brcmf_if *ifp = netdev_priv(ndev); | |
815 | struct brcmf_cfg80211_vif *vif = ifp->vif; | |
816 | s32 infra = 0; | |
817 | s32 ap = 0; | |
818 | s32 err = 0; | |
819 | ||
820 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, type=%d\n", ifp->bsscfgidx, | |
821 | type); | |
822 | ||
823 | /* WAR: There are a number of p2p interface related problems which | |
824 | * need to be handled initially (before doing the validate). | |
825 | * wpa_supplicant tends to do iface changes on p2p device/client/go | |
826 | * which are not always possible/allowed. However we need to return | |
827 | * OK otherwise the wpa_supplicant wont start. The situation differs | |
828 | * on configuration and setup (p2pon=1 module param). The first check | |
829 | * is to see if the request is a change to station for p2p iface. | |
830 | */ | |
831 | if ((type == NL80211_IFTYPE_STATION) && | |
832 | ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) || | |
833 | (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) || | |
834 | (vif->wdev.iftype == NL80211_IFTYPE_P2P_DEVICE))) { | |
835 | brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n"); | |
836 | /* Now depending on whether module param p2pon=1 was used the | |
837 | * response needs to be either 0 or EOPNOTSUPP. The reason is | |
838 | * that if p2pon=1 is used, but a newer supplicant is used then | |
839 | * we should return an error, as this combination wont work. | |
840 | * In other situations 0 is returned and supplicant will start | |
841 | * normally. It will give a trace in cfg80211, but it is the | |
842 | * only way to get it working. Unfortunately this will result | |
843 | * in situation where we wont support new supplicant in | |
844 | * combination with module param p2pon=1, but that is the way | |
845 | * it is. If the user tries this then unloading of driver might | |
846 | * fail/lock. | |
847 | */ | |
848 | if (cfg->p2p.p2pdev_dynamically) | |
849 | return -EOPNOTSUPP; | |
850 | else | |
851 | return 0; | |
852 | } | |
853 | err = brcmf_vif_change_validate(wiphy_to_cfg(wiphy), vif, type); | |
854 | if (err) { | |
855 | brcmf_err("iface validation failed: err=%d\n", err); | |
856 | return err; | |
857 | } | |
858 | switch (type) { | |
859 | case NL80211_IFTYPE_MONITOR: | |
860 | case NL80211_IFTYPE_WDS: | |
861 | brcmf_err("type (%d) : currently we do not support this type\n", | |
862 | type); | |
863 | return -EOPNOTSUPP; | |
864 | case NL80211_IFTYPE_ADHOC: | |
865 | infra = 0; | |
866 | break; | |
867 | case NL80211_IFTYPE_STATION: | |
868 | infra = 1; | |
869 | break; | |
870 | case NL80211_IFTYPE_AP: | |
871 | case NL80211_IFTYPE_P2P_GO: | |
872 | ap = 1; | |
873 | break; | |
874 | default: | |
875 | err = -EINVAL; | |
876 | goto done; | |
877 | } | |
878 | ||
879 | if (ap) { | |
880 | if (type == NL80211_IFTYPE_P2P_GO) { | |
881 | brcmf_dbg(INFO, "IF Type = P2P GO\n"); | |
882 | err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO); | |
883 | } | |
884 | if (!err) { | |
885 | brcmf_dbg(INFO, "IF Type = AP\n"); | |
886 | } | |
887 | } else { | |
888 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra); | |
889 | if (err) { | |
890 | brcmf_err("WLC_SET_INFRA error (%d)\n", err); | |
891 | err = -EAGAIN; | |
892 | goto done; | |
893 | } | |
894 | brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ? | |
895 | "Adhoc" : "Infra"); | |
896 | } | |
897 | ndev->ieee80211_ptr->iftype = type; | |
898 | ||
899 | brcmf_cfg80211_update_proto_addr_mode(&vif->wdev); | |
900 | ||
901 | done: | |
902 | brcmf_dbg(TRACE, "Exit\n"); | |
903 | ||
904 | return err; | |
905 | } | |
906 | ||
907 | static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg, | |
908 | struct brcmf_scan_params_le *params_le, | |
909 | struct cfg80211_scan_request *request) | |
910 | { | |
911 | u32 n_ssids; | |
912 | u32 n_channels; | |
913 | s32 i; | |
914 | s32 offset; | |
915 | u16 chanspec; | |
916 | char *ptr; | |
917 | struct brcmf_ssid_le ssid_le; | |
918 | ||
919 | eth_broadcast_addr(params_le->bssid); | |
920 | params_le->bss_type = DOT11_BSSTYPE_ANY; | |
921 | params_le->scan_type = 0; | |
922 | params_le->channel_num = 0; | |
923 | params_le->nprobes = cpu_to_le32(-1); | |
924 | params_le->active_time = cpu_to_le32(-1); | |
925 | params_le->passive_time = cpu_to_le32(-1); | |
926 | params_le->home_time = cpu_to_le32(-1); | |
927 | memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le)); | |
928 | ||
929 | /* if request is null exit so it will be all channel broadcast scan */ | |
930 | if (!request) | |
931 | return; | |
932 | ||
933 | n_ssids = request->n_ssids; | |
934 | n_channels = request->n_channels; | |
935 | /* Copy channel array if applicable */ | |
936 | brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n", | |
937 | n_channels); | |
938 | if (n_channels > 0) { | |
939 | for (i = 0; i < n_channels; i++) { | |
940 | chanspec = channel_to_chanspec(&cfg->d11inf, | |
941 | request->channels[i]); | |
942 | brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n", | |
943 | request->channels[i]->hw_value, chanspec); | |
944 | params_le->channel_list[i] = cpu_to_le16(chanspec); | |
945 | } | |
946 | } else { | |
947 | brcmf_dbg(SCAN, "Scanning all channels\n"); | |
948 | } | |
949 | /* Copy ssid array if applicable */ | |
950 | brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids); | |
951 | if (n_ssids > 0) { | |
952 | offset = offsetof(struct brcmf_scan_params_le, channel_list) + | |
953 | n_channels * sizeof(u16); | |
954 | offset = roundup(offset, sizeof(u32)); | |
955 | ptr = (char *)params_le + offset; | |
956 | for (i = 0; i < n_ssids; i++) { | |
957 | memset(&ssid_le, 0, sizeof(ssid_le)); | |
958 | ssid_le.SSID_len = | |
959 | cpu_to_le32(request->ssids[i].ssid_len); | |
960 | memcpy(ssid_le.SSID, request->ssids[i].ssid, | |
961 | request->ssids[i].ssid_len); | |
962 | if (!ssid_le.SSID_len) | |
963 | brcmf_dbg(SCAN, "%d: Broadcast scan\n", i); | |
964 | else | |
965 | brcmf_dbg(SCAN, "%d: scan for %s size =%d\n", | |
966 | i, ssid_le.SSID, ssid_le.SSID_len); | |
967 | memcpy(ptr, &ssid_le, sizeof(ssid_le)); | |
968 | ptr += sizeof(ssid_le); | |
969 | } | |
970 | } else { | |
971 | brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids); | |
972 | if ((request->ssids) && request->ssids->ssid_len) { | |
973 | brcmf_dbg(SCAN, "SSID %s len=%d\n", | |
974 | params_le->ssid_le.SSID, | |
975 | request->ssids->ssid_len); | |
976 | params_le->ssid_le.SSID_len = | |
977 | cpu_to_le32(request->ssids->ssid_len); | |
978 | memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid, | |
979 | request->ssids->ssid_len); | |
980 | } | |
981 | } | |
982 | /* Adding mask to channel numbers */ | |
983 | params_le->channel_num = | |
984 | cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) | | |
985 | (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK)); | |
986 | } | |
987 | ||
988 | static s32 | |
989 | brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, | |
990 | struct cfg80211_scan_request *request) | |
991 | { | |
992 | s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + | |
993 | offsetof(struct brcmf_escan_params_le, params_le); | |
994 | struct brcmf_escan_params_le *params; | |
995 | s32 err = 0; | |
996 | ||
997 | brcmf_dbg(SCAN, "E-SCAN START\n"); | |
998 | ||
999 | if (request != NULL) { | |
1000 | /* Allocate space for populating ssids in struct */ | |
1001 | params_size += sizeof(u32) * ((request->n_channels + 1) / 2); | |
1002 | ||
1003 | /* Allocate space for populating ssids in struct */ | |
1004 | params_size += sizeof(struct brcmf_ssid_le) * request->n_ssids; | |
1005 | } | |
1006 | ||
1007 | params = kzalloc(params_size, GFP_KERNEL); | |
1008 | if (!params) { | |
1009 | err = -ENOMEM; | |
1010 | goto exit; | |
1011 | } | |
1012 | BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); | |
1013 | brcmf_escan_prep(cfg, ¶ms->params_le, request); | |
1014 | params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); | |
1015 | params->action = cpu_to_le16(WL_ESCAN_ACTION_START); | |
1016 | params->sync_id = cpu_to_le16(0x1234); | |
1017 | ||
1018 | err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size); | |
1019 | if (err) { | |
1020 | if (err == -EBUSY) | |
1021 | brcmf_dbg(INFO, "system busy : escan canceled\n"); | |
1022 | else | |
1023 | brcmf_err("error (%d)\n", err); | |
1024 | } | |
1025 | ||
1026 | kfree(params); | |
1027 | exit: | |
1028 | return err; | |
1029 | } | |
1030 | ||
1031 | static s32 | |
1032 | brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, | |
1033 | struct brcmf_if *ifp, struct cfg80211_scan_request *request) | |
1034 | { | |
1035 | s32 err; | |
1036 | u32 passive_scan; | |
1037 | struct brcmf_scan_results *results; | |
1038 | struct escan_info *escan = &cfg->escan_info; | |
1039 | ||
1040 | brcmf_dbg(SCAN, "Enter\n"); | |
1041 | escan->ifp = ifp; | |
1042 | escan->wiphy = wiphy; | |
1043 | escan->escan_state = WL_ESCAN_STATE_SCANNING; | |
1044 | passive_scan = cfg->active_scan ? 0 : 1; | |
1045 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, | |
1046 | passive_scan); | |
1047 | if (err) { | |
1048 | brcmf_err("error (%d)\n", err); | |
1049 | return err; | |
1050 | } | |
1051 | brcmf_scan_config_mpc(ifp, 0); | |
1052 | results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; | |
1053 | results->version = 0; | |
1054 | results->count = 0; | |
1055 | results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; | |
1056 | ||
1057 | err = escan->run(cfg, ifp, request); | |
1058 | if (err) | |
1059 | brcmf_scan_config_mpc(ifp, 1); | |
1060 | return err; | |
1061 | } | |
1062 | ||
1063 | static s32 | |
1064 | brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif, | |
1065 | struct cfg80211_scan_request *request, | |
1066 | struct cfg80211_ssid *this_ssid) | |
1067 | { | |
1068 | struct brcmf_if *ifp = vif->ifp; | |
1069 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
1070 | struct cfg80211_ssid *ssids; | |
1071 | u32 passive_scan; | |
1072 | bool escan_req; | |
1073 | bool spec_scan; | |
1074 | s32 err; | |
1075 | struct brcmf_ssid_le ssid_le; | |
1076 | u32 SSID_len; | |
1077 | ||
1078 | brcmf_dbg(SCAN, "START ESCAN\n"); | |
1079 | ||
1080 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { | |
1081 | brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); | |
1082 | return -EAGAIN; | |
1083 | } | |
1084 | if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) { | |
1085 | brcmf_err("Scanning being aborted: status (%lu)\n", | |
1086 | cfg->scan_status); | |
1087 | return -EAGAIN; | |
1088 | } | |
1089 | if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { | |
1090 | brcmf_err("Scanning suppressed: status (%lu)\n", | |
1091 | cfg->scan_status); | |
1092 | return -EAGAIN; | |
1093 | } | |
1094 | if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) { | |
1095 | brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state); | |
1096 | return -EAGAIN; | |
1097 | } | |
1098 | ||
1099 | /* If scan req comes for p2p0, send it over primary I/F */ | |
1100 | if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) | |
1101 | vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; | |
1102 | ||
1103 | escan_req = false; | |
1104 | if (request) { | |
1105 | /* scan bss */ | |
1106 | ssids = request->ssids; | |
1107 | escan_req = true; | |
1108 | } else { | |
1109 | /* scan in ibss */ | |
1110 | /* we don't do escan in ibss */ | |
1111 | ssids = this_ssid; | |
1112 | } | |
1113 | ||
1114 | cfg->scan_request = request; | |
1115 | set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); | |
1116 | if (escan_req) { | |
1117 | cfg->escan_info.run = brcmf_run_escan; | |
1118 | err = brcmf_p2p_scan_prep(wiphy, request, vif); | |
1119 | if (err) | |
1120 | goto scan_out; | |
1121 | ||
1122 | err = brcmf_do_escan(cfg, wiphy, vif->ifp, request); | |
1123 | if (err) | |
1124 | goto scan_out; | |
1125 | } else { | |
1126 | brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n", | |
1127 | ssids->ssid, ssids->ssid_len); | |
1128 | memset(&ssid_le, 0, sizeof(ssid_le)); | |
1129 | SSID_len = min_t(u8, sizeof(ssid_le.SSID), ssids->ssid_len); | |
1130 | ssid_le.SSID_len = cpu_to_le32(0); | |
1131 | spec_scan = false; | |
1132 | if (SSID_len) { | |
1133 | memcpy(ssid_le.SSID, ssids->ssid, SSID_len); | |
1134 | ssid_le.SSID_len = cpu_to_le32(SSID_len); | |
1135 | spec_scan = true; | |
1136 | } else | |
1137 | brcmf_dbg(SCAN, "Broadcast scan\n"); | |
1138 | ||
1139 | passive_scan = cfg->active_scan ? 0 : 1; | |
1140 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, | |
1141 | passive_scan); | |
1142 | if (err) { | |
1143 | brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err); | |
1144 | goto scan_out; | |
1145 | } | |
1146 | brcmf_scan_config_mpc(ifp, 0); | |
1147 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, &ssid_le, | |
1148 | sizeof(ssid_le)); | |
1149 | if (err) { | |
1150 | if (err == -EBUSY) | |
1151 | brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n", | |
1152 | ssid_le.SSID); | |
1153 | else | |
1154 | brcmf_err("WLC_SCAN error (%d)\n", err); | |
1155 | ||
1156 | brcmf_scan_config_mpc(ifp, 1); | |
1157 | goto scan_out; | |
1158 | } | |
1159 | } | |
1160 | ||
1161 | /* Arm scan timeout timer */ | |
1162 | mod_timer(&cfg->escan_timeout, jiffies + | |
1163 | BRCMF_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); | |
1164 | ||
1165 | return 0; | |
1166 | ||
1167 | scan_out: | |
1168 | clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); | |
1169 | cfg->scan_request = NULL; | |
1170 | return err; | |
1171 | } | |
1172 | ||
1173 | static s32 | |
1174 | brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) | |
1175 | { | |
1176 | struct brcmf_cfg80211_vif *vif; | |
1177 | s32 err = 0; | |
1178 | ||
1179 | brcmf_dbg(TRACE, "Enter\n"); | |
1180 | vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev); | |
1181 | if (!check_vif_up(vif)) | |
1182 | return -EIO; | |
1183 | ||
1184 | err = brcmf_cfg80211_escan(wiphy, vif, request, NULL); | |
1185 | ||
1186 | if (err) | |
1187 | brcmf_err("scan error (%d)\n", err); | |
1188 | ||
1189 | brcmf_dbg(TRACE, "Exit\n"); | |
1190 | return err; | |
1191 | } | |
1192 | ||
1193 | static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) | |
1194 | { | |
1195 | s32 err = 0; | |
1196 | ||
1197 | err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh", | |
1198 | rts_threshold); | |
1199 | if (err) | |
1200 | brcmf_err("Error (%d)\n", err); | |
1201 | ||
1202 | return err; | |
1203 | } | |
1204 | ||
1205 | static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) | |
1206 | { | |
1207 | s32 err = 0; | |
1208 | ||
1209 | err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh", | |
1210 | frag_threshold); | |
1211 | if (err) | |
1212 | brcmf_err("Error (%d)\n", err); | |
1213 | ||
1214 | return err; | |
1215 | } | |
1216 | ||
1217 | static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) | |
1218 | { | |
1219 | s32 err = 0; | |
1220 | u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL); | |
1221 | ||
1222 | err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry); | |
1223 | if (err) { | |
1224 | brcmf_err("cmd (%d) , error (%d)\n", cmd, err); | |
1225 | return err; | |
1226 | } | |
1227 | return err; | |
1228 | } | |
1229 | ||
1230 | static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
1231 | { | |
1232 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
1233 | struct net_device *ndev = cfg_to_ndev(cfg); | |
1234 | struct brcmf_if *ifp = netdev_priv(ndev); | |
1235 | s32 err = 0; | |
1236 | ||
1237 | brcmf_dbg(TRACE, "Enter\n"); | |
1238 | if (!check_vif_up(ifp->vif)) | |
1239 | return -EIO; | |
1240 | ||
1241 | if (changed & WIPHY_PARAM_RTS_THRESHOLD && | |
1242 | (cfg->conf->rts_threshold != wiphy->rts_threshold)) { | |
1243 | cfg->conf->rts_threshold = wiphy->rts_threshold; | |
1244 | err = brcmf_set_rts(ndev, cfg->conf->rts_threshold); | |
1245 | if (!err) | |
1246 | goto done; | |
1247 | } | |
1248 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD && | |
1249 | (cfg->conf->frag_threshold != wiphy->frag_threshold)) { | |
1250 | cfg->conf->frag_threshold = wiphy->frag_threshold; | |
1251 | err = brcmf_set_frag(ndev, cfg->conf->frag_threshold); | |
1252 | if (!err) | |
1253 | goto done; | |
1254 | } | |
1255 | if (changed & WIPHY_PARAM_RETRY_LONG | |
1256 | && (cfg->conf->retry_long != wiphy->retry_long)) { | |
1257 | cfg->conf->retry_long = wiphy->retry_long; | |
1258 | err = brcmf_set_retry(ndev, cfg->conf->retry_long, true); | |
1259 | if (!err) | |
1260 | goto done; | |
1261 | } | |
1262 | if (changed & WIPHY_PARAM_RETRY_SHORT | |
1263 | && (cfg->conf->retry_short != wiphy->retry_short)) { | |
1264 | cfg->conf->retry_short = wiphy->retry_short; | |
1265 | err = brcmf_set_retry(ndev, cfg->conf->retry_short, false); | |
1266 | if (!err) | |
1267 | goto done; | |
1268 | } | |
1269 | ||
1270 | done: | |
1271 | brcmf_dbg(TRACE, "Exit\n"); | |
1272 | return err; | |
1273 | } | |
1274 | ||
1275 | static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) | |
1276 | { | |
1277 | memset(prof, 0, sizeof(*prof)); | |
1278 | } | |
1279 | ||
1280 | static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e) | |
1281 | { | |
1282 | u16 reason; | |
1283 | ||
1284 | switch (e->event_code) { | |
1285 | case BRCMF_E_DEAUTH: | |
1286 | case BRCMF_E_DEAUTH_IND: | |
1287 | case BRCMF_E_DISASSOC_IND: | |
1288 | reason = e->reason; | |
1289 | break; | |
1290 | case BRCMF_E_LINK: | |
1291 | default: | |
1292 | reason = 0; | |
1293 | break; | |
1294 | } | |
1295 | return reason; | |
1296 | } | |
1297 | ||
1298 | static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason) | |
1299 | { | |
1300 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy); | |
1301 | s32 err = 0; | |
1302 | ||
1303 | brcmf_dbg(TRACE, "Enter\n"); | |
1304 | ||
1305 | if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) { | |
1306 | brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n "); | |
1307 | err = brcmf_fil_cmd_data_set(vif->ifp, | |
1308 | BRCMF_C_DISASSOC, NULL, 0); | |
1309 | if (err) { | |
1310 | brcmf_err("WLC_DISASSOC failed (%d)\n", err); | |
1311 | } | |
1312 | if ((vif->wdev.iftype == NL80211_IFTYPE_STATION) || | |
1313 | (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)) | |
1314 | cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0, | |
1315 | true, GFP_KERNEL); | |
1316 | } | |
1317 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); | |
1318 | clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); | |
1319 | brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); | |
1320 | brcmf_dbg(TRACE, "Exit\n"); | |
1321 | } | |
1322 | ||
1323 | static s32 | |
1324 | brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, | |
1325 | struct cfg80211_ibss_params *params) | |
1326 | { | |
1327 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
1328 | struct brcmf_if *ifp = netdev_priv(ndev); | |
1329 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
1330 | struct brcmf_join_params join_params; | |
1331 | size_t join_params_size = 0; | |
1332 | s32 err = 0; | |
1333 | s32 wsec = 0; | |
1334 | s32 bcnprd; | |
1335 | u16 chanspec; | |
1336 | u32 ssid_len; | |
1337 | ||
1338 | brcmf_dbg(TRACE, "Enter\n"); | |
1339 | if (!check_vif_up(ifp->vif)) | |
1340 | return -EIO; | |
1341 | ||
1342 | if (params->ssid) | |
1343 | brcmf_dbg(CONN, "SSID: %s\n", params->ssid); | |
1344 | else { | |
1345 | brcmf_dbg(CONN, "SSID: NULL, Not supported\n"); | |
1346 | return -EOPNOTSUPP; | |
1347 | } | |
1348 | ||
1349 | set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); | |
1350 | ||
1351 | if (params->bssid) | |
1352 | brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid); | |
1353 | else | |
1354 | brcmf_dbg(CONN, "No BSSID specified\n"); | |
1355 | ||
1356 | if (params->chandef.chan) | |
1357 | brcmf_dbg(CONN, "channel: %d\n", | |
1358 | params->chandef.chan->center_freq); | |
1359 | else | |
1360 | brcmf_dbg(CONN, "no channel specified\n"); | |
1361 | ||
1362 | if (params->channel_fixed) | |
1363 | brcmf_dbg(CONN, "fixed channel required\n"); | |
1364 | else | |
1365 | brcmf_dbg(CONN, "no fixed channel required\n"); | |
1366 | ||
1367 | if (params->ie && params->ie_len) | |
1368 | brcmf_dbg(CONN, "ie len: %d\n", params->ie_len); | |
1369 | else | |
1370 | brcmf_dbg(CONN, "no ie specified\n"); | |
1371 | ||
1372 | if (params->beacon_interval) | |
1373 | brcmf_dbg(CONN, "beacon interval: %d\n", | |
1374 | params->beacon_interval); | |
1375 | else | |
1376 | brcmf_dbg(CONN, "no beacon interval specified\n"); | |
1377 | ||
1378 | if (params->basic_rates) | |
1379 | brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates); | |
1380 | else | |
1381 | brcmf_dbg(CONN, "no basic rates specified\n"); | |
1382 | ||
1383 | if (params->privacy) | |
1384 | brcmf_dbg(CONN, "privacy required\n"); | |
1385 | else | |
1386 | brcmf_dbg(CONN, "no privacy required\n"); | |
1387 | ||
1388 | /* Configure Privacy for starter */ | |
1389 | if (params->privacy) | |
1390 | wsec |= WEP_ENABLED; | |
1391 | ||
1392 | err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec); | |
1393 | if (err) { | |
1394 | brcmf_err("wsec failed (%d)\n", err); | |
1395 | goto done; | |
1396 | } | |
1397 | ||
1398 | /* Configure Beacon Interval for starter */ | |
1399 | if (params->beacon_interval) | |
1400 | bcnprd = params->beacon_interval; | |
1401 | else | |
1402 | bcnprd = 100; | |
1403 | ||
1404 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd); | |
1405 | if (err) { | |
1406 | brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err); | |
1407 | goto done; | |
1408 | } | |
1409 | ||
1410 | /* Configure required join parameter */ | |
1411 | memset(&join_params, 0, sizeof(struct brcmf_join_params)); | |
1412 | ||
1413 | /* SSID */ | |
1414 | ssid_len = min_t(u32, params->ssid_len, IEEE80211_MAX_SSID_LEN); | |
1415 | memcpy(join_params.ssid_le.SSID, params->ssid, ssid_len); | |
1416 | join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len); | |
1417 | join_params_size = sizeof(join_params.ssid_le); | |
1418 | ||
1419 | /* BSSID */ | |
1420 | if (params->bssid) { | |
1421 | memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN); | |
1422 | join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE; | |
1423 | memcpy(profile->bssid, params->bssid, ETH_ALEN); | |
1424 | } else { | |
1425 | eth_broadcast_addr(join_params.params_le.bssid); | |
1426 | eth_zero_addr(profile->bssid); | |
1427 | } | |
1428 | ||
1429 | /* Channel */ | |
1430 | if (params->chandef.chan) { | |
1431 | u32 target_channel; | |
1432 | ||
1433 | cfg->channel = | |
1434 | ieee80211_frequency_to_channel( | |
1435 | params->chandef.chan->center_freq); | |
1436 | if (params->channel_fixed) { | |
1437 | /* adding chanspec */ | |
1438 | chanspec = chandef_to_chanspec(&cfg->d11inf, | |
1439 | ¶ms->chandef); | |
1440 | join_params.params_le.chanspec_list[0] = | |
1441 | cpu_to_le16(chanspec); | |
1442 | join_params.params_le.chanspec_num = cpu_to_le32(1); | |
1443 | join_params_size += sizeof(join_params.params_le); | |
1444 | } | |
1445 | ||
1446 | /* set channel for starter */ | |
1447 | target_channel = cfg->channel; | |
1448 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL, | |
1449 | target_channel); | |
1450 | if (err) { | |
1451 | brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err); | |
1452 | goto done; | |
1453 | } | |
1454 | } else | |
1455 | cfg->channel = 0; | |
1456 | ||
1457 | cfg->ibss_starter = false; | |
1458 | ||
1459 | ||
1460 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, | |
1461 | &join_params, join_params_size); | |
1462 | if (err) { | |
1463 | brcmf_err("WLC_SET_SSID failed (%d)\n", err); | |
1464 | goto done; | |
1465 | } | |
1466 | ||
1467 | done: | |
1468 | if (err) | |
1469 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); | |
1470 | brcmf_dbg(TRACE, "Exit\n"); | |
1471 | return err; | |
1472 | } | |
1473 | ||
1474 | static s32 | |
1475 | brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) | |
1476 | { | |
1477 | struct brcmf_if *ifp = netdev_priv(ndev); | |
1478 | ||
1479 | brcmf_dbg(TRACE, "Enter\n"); | |
1480 | if (!check_vif_up(ifp->vif)) { | |
1481 | /* When driver is being unloaded, it can end up here. If an | |
1482 | * error is returned then later on a debug trace in the wireless | |
1483 | * core module will be printed. To avoid this 0 is returned. | |
1484 | */ | |
1485 | return 0; | |
1486 | } | |
1487 | ||
1488 | brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING); | |
1489 | brcmf_net_setcarrier(ifp, false); | |
1490 | ||
1491 | brcmf_dbg(TRACE, "Exit\n"); | |
1492 | ||
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | static s32 brcmf_set_wpa_version(struct net_device *ndev, | |
1497 | struct cfg80211_connect_params *sme) | |
1498 | { | |
1499 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); | |
1500 | struct brcmf_cfg80211_security *sec; | |
1501 | s32 val = 0; | |
1502 | s32 err = 0; | |
1503 | ||
1504 | if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
1505 | val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; | |
1506 | else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
1507 | val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; | |
1508 | else | |
1509 | val = WPA_AUTH_DISABLED; | |
1510 | brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val); | |
1511 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); | |
1512 | if (err) { | |
1513 | brcmf_err("set wpa_auth failed (%d)\n", err); | |
1514 | return err; | |
1515 | } | |
1516 | sec = &profile->sec; | |
1517 | sec->wpa_versions = sme->crypto.wpa_versions; | |
1518 | return err; | |
1519 | } | |
1520 | ||
1521 | static s32 brcmf_set_auth_type(struct net_device *ndev, | |
1522 | struct cfg80211_connect_params *sme) | |
1523 | { | |
1524 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); | |
1525 | struct brcmf_cfg80211_security *sec; | |
1526 | s32 val = 0; | |
1527 | s32 err = 0; | |
1528 | ||
1529 | switch (sme->auth_type) { | |
1530 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
1531 | val = 0; | |
1532 | brcmf_dbg(CONN, "open system\n"); | |
1533 | break; | |
1534 | case NL80211_AUTHTYPE_SHARED_KEY: | |
1535 | val = 1; | |
1536 | brcmf_dbg(CONN, "shared key\n"); | |
1537 | break; | |
1538 | case NL80211_AUTHTYPE_AUTOMATIC: | |
1539 | val = 2; | |
1540 | brcmf_dbg(CONN, "automatic\n"); | |
1541 | break; | |
1542 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
1543 | brcmf_dbg(CONN, "network eap\n"); | |
1544 | default: | |
1545 | val = 2; | |
1546 | brcmf_err("invalid auth type (%d)\n", sme->auth_type); | |
1547 | break; | |
1548 | } | |
1549 | ||
1550 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); | |
1551 | if (err) { | |
1552 | brcmf_err("set auth failed (%d)\n", err); | |
1553 | return err; | |
1554 | } | |
1555 | sec = &profile->sec; | |
1556 | sec->auth_type = sme->auth_type; | |
1557 | return err; | |
1558 | } | |
1559 | ||
1560 | static s32 | |
1561 | brcmf_set_wsec_mode(struct net_device *ndev, | |
1562 | struct cfg80211_connect_params *sme) | |
1563 | { | |
1564 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); | |
1565 | struct brcmf_cfg80211_security *sec; | |
1566 | s32 pval = 0; | |
1567 | s32 gval = 0; | |
1568 | s32 wsec; | |
1569 | s32 err = 0; | |
1570 | ||
1571 | if (sme->crypto.n_ciphers_pairwise) { | |
1572 | switch (sme->crypto.ciphers_pairwise[0]) { | |
1573 | case WLAN_CIPHER_SUITE_WEP40: | |
1574 | case WLAN_CIPHER_SUITE_WEP104: | |
1575 | pval = WEP_ENABLED; | |
1576 | break; | |
1577 | case WLAN_CIPHER_SUITE_TKIP: | |
1578 | pval = TKIP_ENABLED; | |
1579 | break; | |
1580 | case WLAN_CIPHER_SUITE_CCMP: | |
1581 | pval = AES_ENABLED; | |
1582 | break; | |
1583 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1584 | pval = AES_ENABLED; | |
1585 | break; | |
1586 | default: | |
1587 | brcmf_err("invalid cipher pairwise (%d)\n", | |
1588 | sme->crypto.ciphers_pairwise[0]); | |
1589 | return -EINVAL; | |
1590 | } | |
1591 | } | |
1592 | if (sme->crypto.cipher_group) { | |
1593 | switch (sme->crypto.cipher_group) { | |
1594 | case WLAN_CIPHER_SUITE_WEP40: | |
1595 | case WLAN_CIPHER_SUITE_WEP104: | |
1596 | gval = WEP_ENABLED; | |
1597 | break; | |
1598 | case WLAN_CIPHER_SUITE_TKIP: | |
1599 | gval = TKIP_ENABLED; | |
1600 | break; | |
1601 | case WLAN_CIPHER_SUITE_CCMP: | |
1602 | gval = AES_ENABLED; | |
1603 | break; | |
1604 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1605 | gval = AES_ENABLED; | |
1606 | break; | |
1607 | default: | |
1608 | brcmf_err("invalid cipher group (%d)\n", | |
1609 | sme->crypto.cipher_group); | |
1610 | return -EINVAL; | |
1611 | } | |
1612 | } | |
1613 | ||
1614 | brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval); | |
1615 | /* In case of privacy, but no security and WPS then simulate */ | |
1616 | /* setting AES. WPS-2.0 allows no security */ | |
1617 | if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval && | |
1618 | sme->privacy) | |
1619 | pval = AES_ENABLED; | |
1620 | ||
1621 | wsec = pval | gval; | |
1622 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec); | |
1623 | if (err) { | |
1624 | brcmf_err("error (%d)\n", err); | |
1625 | return err; | |
1626 | } | |
1627 | ||
1628 | sec = &profile->sec; | |
1629 | sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; | |
1630 | sec->cipher_group = sme->crypto.cipher_group; | |
1631 | ||
1632 | return err; | |
1633 | } | |
1634 | ||
1635 | static s32 | |
1636 | brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) | |
1637 | { | |
1638 | struct brcmf_if *ifp = netdev_priv(ndev); | |
1639 | s32 val; | |
1640 | s32 err; | |
1641 | const struct brcmf_tlv *rsn_ie; | |
1642 | const u8 *ie; | |
1643 | u32 ie_len; | |
1644 | u32 offset; | |
1645 | u16 rsn_cap; | |
1646 | u32 mfp; | |
1647 | u16 count; | |
1648 | ||
1649 | if (!sme->crypto.n_akm_suites) | |
1650 | return 0; | |
1651 | ||
1652 | err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), "wpa_auth", &val); | |
1653 | if (err) { | |
1654 | brcmf_err("could not get wpa_auth (%d)\n", err); | |
1655 | return err; | |
1656 | } | |
1657 | if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { | |
1658 | switch (sme->crypto.akm_suites[0]) { | |
1659 | case WLAN_AKM_SUITE_8021X: | |
1660 | val = WPA_AUTH_UNSPECIFIED; | |
1661 | break; | |
1662 | case WLAN_AKM_SUITE_PSK: | |
1663 | val = WPA_AUTH_PSK; | |
1664 | break; | |
1665 | default: | |
1666 | brcmf_err("invalid cipher group (%d)\n", | |
1667 | sme->crypto.cipher_group); | |
1668 | return -EINVAL; | |
1669 | } | |
1670 | } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { | |
1671 | switch (sme->crypto.akm_suites[0]) { | |
1672 | case WLAN_AKM_SUITE_8021X: | |
1673 | val = WPA2_AUTH_UNSPECIFIED; | |
1674 | break; | |
1675 | case WLAN_AKM_SUITE_8021X_SHA256: | |
1676 | val = WPA2_AUTH_1X_SHA256; | |
1677 | break; | |
1678 | case WLAN_AKM_SUITE_PSK_SHA256: | |
1679 | val = WPA2_AUTH_PSK_SHA256; | |
1680 | break; | |
1681 | case WLAN_AKM_SUITE_PSK: | |
1682 | val = WPA2_AUTH_PSK; | |
1683 | break; | |
1684 | default: | |
1685 | brcmf_err("invalid cipher group (%d)\n", | |
1686 | sme->crypto.cipher_group); | |
1687 | return -EINVAL; | |
1688 | } | |
1689 | } | |
1690 | ||
1691 | if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) | |
1692 | goto skip_mfp_config; | |
1693 | /* The MFP mode (1 or 2) needs to be determined, parse IEs. The | |
1694 | * IE will not be verified, just a quick search for MFP config | |
1695 | */ | |
1696 | rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, sme->ie_len, | |
1697 | WLAN_EID_RSN); | |
1698 | if (!rsn_ie) | |
1699 | goto skip_mfp_config; | |
1700 | ie = (const u8 *)rsn_ie; | |
1701 | ie_len = rsn_ie->len + TLV_HDR_LEN; | |
1702 | /* Skip unicast suite */ | |
1703 | offset = TLV_HDR_LEN + WPA_IE_VERSION_LEN + WPA_IE_MIN_OUI_LEN; | |
1704 | if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len) | |
1705 | goto skip_mfp_config; | |
1706 | /* Skip multicast suite */ | |
1707 | count = ie[offset] + (ie[offset + 1] << 8); | |
1708 | offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN); | |
1709 | if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len) | |
1710 | goto skip_mfp_config; | |
1711 | /* Skip auth key management suite(s) */ | |
1712 | count = ie[offset] + (ie[offset + 1] << 8); | |
1713 | offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN); | |
1714 | if (offset + WPA_IE_SUITE_COUNT_LEN > ie_len) | |
1715 | goto skip_mfp_config; | |
1716 | /* Ready to read capabilities */ | |
1717 | mfp = BRCMF_MFP_NONE; | |
1718 | rsn_cap = ie[offset] + (ie[offset + 1] << 8); | |
1719 | if (rsn_cap & RSN_CAP_MFPR_MASK) | |
1720 | mfp = BRCMF_MFP_REQUIRED; | |
1721 | else if (rsn_cap & RSN_CAP_MFPC_MASK) | |
1722 | mfp = BRCMF_MFP_CAPABLE; | |
1723 | brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "mfp", mfp); | |
1724 | ||
1725 | skip_mfp_config: | |
1726 | brcmf_dbg(CONN, "setting wpa_auth to %d\n", val); | |
1727 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); | |
1728 | if (err) { | |
1729 | brcmf_err("could not set wpa_auth (%d)\n", err); | |
1730 | return err; | |
1731 | } | |
1732 | ||
1733 | return err; | |
1734 | } | |
1735 | ||
1736 | static s32 | |
1737 | brcmf_set_sharedkey(struct net_device *ndev, | |
1738 | struct cfg80211_connect_params *sme) | |
1739 | { | |
1740 | struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); | |
1741 | struct brcmf_cfg80211_security *sec; | |
1742 | struct brcmf_wsec_key key; | |
1743 | s32 val; | |
1744 | s32 err = 0; | |
1745 | ||
1746 | brcmf_dbg(CONN, "key len (%d)\n", sme->key_len); | |
1747 | ||
1748 | if (sme->key_len == 0) | |
1749 | return 0; | |
1750 | ||
1751 | sec = &profile->sec; | |
1752 | brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n", | |
1753 | sec->wpa_versions, sec->cipher_pairwise); | |
1754 | ||
1755 | if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) | |
1756 | return 0; | |
1757 | ||
1758 | if (!(sec->cipher_pairwise & | |
1759 | (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) | |
1760 | return 0; | |
1761 | ||
1762 | memset(&key, 0, sizeof(key)); | |
1763 | key.len = (u32) sme->key_len; | |
1764 | key.index = (u32) sme->key_idx; | |
1765 | if (key.len > sizeof(key.data)) { | |
1766 | brcmf_err("Too long key length (%u)\n", key.len); | |
1767 | return -EINVAL; | |
1768 | } | |
1769 | memcpy(key.data, sme->key, key.len); | |
1770 | key.flags = BRCMF_PRIMARY_KEY; | |
1771 | switch (sec->cipher_pairwise) { | |
1772 | case WLAN_CIPHER_SUITE_WEP40: | |
1773 | key.algo = CRYPTO_ALGO_WEP1; | |
1774 | break; | |
1775 | case WLAN_CIPHER_SUITE_WEP104: | |
1776 | key.algo = CRYPTO_ALGO_WEP128; | |
1777 | break; | |
1778 | default: | |
1779 | brcmf_err("Invalid algorithm (%d)\n", | |
1780 | sme->crypto.ciphers_pairwise[0]); | |
1781 | return -EINVAL; | |
1782 | } | |
1783 | /* Set the new key/index */ | |
1784 | brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n", | |
1785 | key.len, key.index, key.algo); | |
1786 | brcmf_dbg(CONN, "key \"%s\"\n", key.data); | |
1787 | err = send_key_to_dongle(netdev_priv(ndev), &key); | |
1788 | if (err) | |
1789 | return err; | |
1790 | ||
1791 | if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { | |
1792 | brcmf_dbg(CONN, "set auth_type to shared key\n"); | |
1793 | val = WL_AUTH_SHARED_KEY; /* shared key */ | |
1794 | err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); | |
1795 | if (err) | |
1796 | brcmf_err("set auth failed (%d)\n", err); | |
1797 | } | |
1798 | return err; | |
1799 | } | |
1800 | ||
1801 | static | |
1802 | enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp, | |
1803 | enum nl80211_auth_type type) | |
1804 | { | |
1805 | if (type == NL80211_AUTHTYPE_AUTOMATIC && | |
1806 | brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) { | |
1807 | brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n"); | |
1808 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
1809 | } | |
1810 | return type; | |
1811 | } | |
1812 | ||
1813 | static void brcmf_set_join_pref(struct brcmf_if *ifp, | |
1814 | struct cfg80211_bss_selection *bss_select) | |
1815 | { | |
1816 | struct brcmf_join_pref_params join_pref_params[2]; | |
1817 | enum nl80211_band band; | |
1818 | int err, i = 0; | |
1819 | ||
1820 | join_pref_params[i].len = 2; | |
1821 | join_pref_params[i].rssi_gain = 0; | |
1822 | ||
1823 | if (bss_select->behaviour != NL80211_BSS_SELECT_ATTR_BAND_PREF) | |
1824 | brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_ASSOC_PREFER, WLC_BAND_AUTO); | |
1825 | ||
1826 | switch (bss_select->behaviour) { | |
1827 | case __NL80211_BSS_SELECT_ATTR_INVALID: | |
1828 | brcmf_c_set_joinpref_default(ifp); | |
1829 | return; | |
1830 | case NL80211_BSS_SELECT_ATTR_BAND_PREF: | |
1831 | join_pref_params[i].type = BRCMF_JOIN_PREF_BAND; | |
1832 | band = bss_select->param.band_pref; | |
1833 | join_pref_params[i].band = nl80211_band_to_fwil(band); | |
1834 | i++; | |
1835 | break; | |
1836 | case NL80211_BSS_SELECT_ATTR_RSSI_ADJUST: | |
1837 | join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI_DELTA; | |
1838 | band = bss_select->param.adjust.band; | |
1839 | join_pref_params[i].band = nl80211_band_to_fwil(band); | |
1840 | join_pref_params[i].rssi_gain = bss_select->param.adjust.delta; | |
1841 | i++; | |
1842 | break; | |
1843 | case NL80211_BSS_SELECT_ATTR_RSSI: | |
1844 | default: | |
1845 | break; | |
1846 | } | |
1847 | join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI; | |
1848 | join_pref_params[i].len = 2; | |
1849 | join_pref_params[i].rssi_gain = 0; | |
1850 | join_pref_params[i].band = 0; | |
1851 | err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params, | |
1852 | sizeof(join_pref_params)); | |
1853 | if (err) | |
1854 | brcmf_err("Set join_pref error (%d)\n", err); | |
1855 | } | |
1856 | ||
1857 | static s32 | |
1858 | brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, | |
1859 | struct cfg80211_connect_params *sme) | |
1860 | { | |
1861 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
1862 | struct brcmf_if *ifp = netdev_priv(ndev); | |
1863 | struct ieee80211_channel *chan = sme->channel; | |
1864 | struct brcmf_join_params join_params; | |
1865 | size_t join_params_size; | |
1866 | const struct brcmf_tlv *rsn_ie; | |
1867 | const struct brcmf_vs_tlv *wpa_ie; | |
1868 | const void *ie; | |
1869 | u32 ie_len; | |
1870 | struct brcmf_ext_join_params_le *ext_join_params; | |
1871 | u16 chanspec; | |
1872 | s32 err = 0; | |
1873 | u32 ssid_len; | |
1874 | ||
1875 | brcmf_dbg(TRACE, "Enter\n"); | |
1876 | if (!check_vif_up(ifp->vif)) | |
1877 | return -EIO; | |
1878 | ||
1879 | if (!sme->ssid) { | |
1880 | brcmf_err("Invalid ssid\n"); | |
1881 | return -EOPNOTSUPP; | |
1882 | } | |
1883 | ||
1884 | if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) { | |
1885 | /* A normal (non P2P) connection request setup. */ | |
1886 | ie = NULL; | |
1887 | ie_len = 0; | |
1888 | /* find the WPA_IE */ | |
1889 | wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len); | |
1890 | if (wpa_ie) { | |
1891 | ie = wpa_ie; | |
1892 | ie_len = wpa_ie->len + TLV_HDR_LEN; | |
1893 | } else { | |
1894 | /* find the RSN_IE */ | |
1895 | rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, | |
1896 | sme->ie_len, | |
1897 | WLAN_EID_RSN); | |
1898 | if (rsn_ie) { | |
1899 | ie = rsn_ie; | |
1900 | ie_len = rsn_ie->len + TLV_HDR_LEN; | |
1901 | } | |
1902 | } | |
1903 | brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len); | |
1904 | } | |
1905 | ||
1906 | err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG, | |
1907 | sme->ie, sme->ie_len); | |
1908 | if (err) | |
1909 | brcmf_err("Set Assoc REQ IE Failed\n"); | |
1910 | else | |
1911 | brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n"); | |
1912 | ||
1913 | set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); | |
1914 | ||
1915 | if (chan) { | |
1916 | cfg->channel = | |
1917 | ieee80211_frequency_to_channel(chan->center_freq); | |
1918 | chanspec = channel_to_chanspec(&cfg->d11inf, chan); | |
1919 | brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n", | |
1920 | cfg->channel, chan->center_freq, chanspec); | |
1921 | } else { | |
1922 | cfg->channel = 0; | |
1923 | chanspec = 0; | |
1924 | } | |
1925 | ||
1926 | brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); | |
1927 | ||
1928 | err = brcmf_set_wpa_version(ndev, sme); | |
1929 | if (err) { | |
1930 | brcmf_err("wl_set_wpa_version failed (%d)\n", err); | |
1931 | goto done; | |
1932 | } | |
1933 | ||
1934 | sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type); | |
1935 | err = brcmf_set_auth_type(ndev, sme); | |
1936 | if (err) { | |
1937 | brcmf_err("wl_set_auth_type failed (%d)\n", err); | |
1938 | goto done; | |
1939 | } | |
1940 | ||
1941 | err = brcmf_set_wsec_mode(ndev, sme); | |
1942 | if (err) { | |
1943 | brcmf_err("wl_set_set_cipher failed (%d)\n", err); | |
1944 | goto done; | |
1945 | } | |
1946 | ||
1947 | err = brcmf_set_key_mgmt(ndev, sme); | |
1948 | if (err) { | |
1949 | brcmf_err("wl_set_key_mgmt failed (%d)\n", err); | |
1950 | goto done; | |
1951 | } | |
1952 | ||
1953 | err = brcmf_set_sharedkey(ndev, sme); | |
1954 | if (err) { | |
1955 | brcmf_err("brcmf_set_sharedkey failed (%d)\n", err); | |
1956 | goto done; | |
1957 | } | |
1958 | ||
1959 | /* Join with specific BSSID and cached SSID | |
1960 | * If SSID is zero join based on BSSID only | |
1961 | */ | |
1962 | join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) + | |
1963 | offsetof(struct brcmf_assoc_params_le, chanspec_list); | |
1964 | if (cfg->channel) | |
1965 | join_params_size += sizeof(u16); | |
1966 | ext_join_params = kzalloc(join_params_size, GFP_KERNEL); | |
1967 | if (ext_join_params == NULL) { | |
1968 | err = -ENOMEM; | |
1969 | goto done; | |
1970 | } | |
1971 | ssid_len = min_t(u32, sme->ssid_len, IEEE80211_MAX_SSID_LEN); | |
1972 | ext_join_params->ssid_le.SSID_len = cpu_to_le32(ssid_len); | |
1973 | memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, ssid_len); | |
1974 | if (ssid_len < IEEE80211_MAX_SSID_LEN) | |
1975 | brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", | |
1976 | ext_join_params->ssid_le.SSID, ssid_len); | |
1977 | ||
1978 | /* Set up join scan parameters */ | |
1979 | ext_join_params->scan_le.scan_type = -1; | |
1980 | ext_join_params->scan_le.home_time = cpu_to_le32(-1); | |
1981 | ||
1982 | if (sme->bssid) | |
1983 | memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN); | |
1984 | else | |
1985 | eth_broadcast_addr(ext_join_params->assoc_le.bssid); | |
1986 | ||
1987 | if (cfg->channel) { | |
1988 | ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1); | |
1989 | ||
1990 | ext_join_params->assoc_le.chanspec_list[0] = | |
1991 | cpu_to_le16(chanspec); | |
1992 | /* Increase dwell time to receive probe response or detect | |
1993 | * beacon from target AP at a noisy air only during connect | |
1994 | * command. | |
1995 | */ | |
1996 | ext_join_params->scan_le.active_time = | |
1997 | cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS); | |
1998 | ext_join_params->scan_le.passive_time = | |
1999 | cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS); | |
2000 | /* To sync with presence period of VSDB GO send probe request | |
2001 | * more frequently. Probe request will be stopped when it gets | |
2002 | * probe response from target AP/GO. | |
2003 | */ | |
2004 | ext_join_params->scan_le.nprobes = | |
2005 | cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS / | |
2006 | BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS); | |
2007 | } else { | |
2008 | ext_join_params->scan_le.active_time = cpu_to_le32(-1); | |
2009 | ext_join_params->scan_le.passive_time = cpu_to_le32(-1); | |
2010 | ext_join_params->scan_le.nprobes = cpu_to_le32(-1); | |
2011 | } | |
2012 | ||
2013 | brcmf_set_join_pref(ifp, &sme->bss_select); | |
2014 | ||
2015 | err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params, | |
2016 | join_params_size); | |
2017 | kfree(ext_join_params); | |
2018 | if (!err) | |
2019 | /* This is it. join command worked, we are done */ | |
2020 | goto done; | |
2021 | ||
2022 | /* join command failed, fallback to set ssid */ | |
2023 | memset(&join_params, 0, sizeof(join_params)); | |
2024 | join_params_size = sizeof(join_params.ssid_le); | |
2025 | ||
2026 | memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid_len); | |
2027 | join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len); | |
2028 | ||
2029 | if (sme->bssid) | |
2030 | memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN); | |
2031 | else | |
2032 | eth_broadcast_addr(join_params.params_le.bssid); | |
2033 | ||
2034 | if (cfg->channel) { | |
2035 | join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec); | |
2036 | join_params.params_le.chanspec_num = cpu_to_le32(1); | |
2037 | join_params_size += sizeof(join_params.params_le); | |
2038 | } | |
2039 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, | |
2040 | &join_params, join_params_size); | |
2041 | if (err) | |
2042 | brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err); | |
2043 | ||
2044 | done: | |
2045 | if (err) | |
2046 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); | |
2047 | brcmf_dbg(TRACE, "Exit\n"); | |
2048 | return err; | |
2049 | } | |
2050 | ||
2051 | static s32 | |
2052 | brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, | |
2053 | u16 reason_code) | |
2054 | { | |
2055 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2056 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
2057 | struct brcmf_scb_val_le scbval; | |
2058 | s32 err = 0; | |
2059 | ||
2060 | brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code); | |
2061 | if (!check_vif_up(ifp->vif)) | |
2062 | return -EIO; | |
2063 | ||
2064 | clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); | |
2065 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); | |
2066 | cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL); | |
2067 | ||
2068 | memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); | |
2069 | scbval.val = cpu_to_le32(reason_code); | |
2070 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC, | |
2071 | &scbval, sizeof(scbval)); | |
2072 | if (err) | |
2073 | brcmf_err("error (%d)\n", err); | |
2074 | ||
2075 | brcmf_dbg(TRACE, "Exit\n"); | |
2076 | return err; | |
2077 | } | |
2078 | ||
2079 | static s32 | |
2080 | brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, | |
2081 | enum nl80211_tx_power_setting type, s32 mbm) | |
2082 | { | |
2083 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
2084 | struct net_device *ndev = cfg_to_ndev(cfg); | |
2085 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2086 | s32 err; | |
2087 | s32 disable; | |
2088 | u32 qdbm = 127; | |
2089 | ||
2090 | brcmf_dbg(TRACE, "Enter %d %d\n", type, mbm); | |
2091 | if (!check_vif_up(ifp->vif)) | |
2092 | return -EIO; | |
2093 | ||
2094 | switch (type) { | |
2095 | case NL80211_TX_POWER_AUTOMATIC: | |
2096 | break; | |
2097 | case NL80211_TX_POWER_LIMITED: | |
2098 | case NL80211_TX_POWER_FIXED: | |
2099 | if (mbm < 0) { | |
2100 | brcmf_err("TX_POWER_FIXED - dbm is negative\n"); | |
2101 | err = -EINVAL; | |
2102 | goto done; | |
2103 | } | |
2104 | qdbm = MBM_TO_DBM(4 * mbm); | |
2105 | if (qdbm > 127) | |
2106 | qdbm = 127; | |
2107 | qdbm |= WL_TXPWR_OVERRIDE; | |
2108 | break; | |
2109 | default: | |
2110 | brcmf_err("Unsupported type %d\n", type); | |
2111 | err = -EINVAL; | |
2112 | goto done; | |
2113 | } | |
2114 | /* Make sure radio is off or on as far as software is concerned */ | |
2115 | disable = WL_RADIO_SW_DISABLE << 16; | |
2116 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable); | |
2117 | if (err) | |
2118 | brcmf_err("WLC_SET_RADIO error (%d)\n", err); | |
2119 | ||
2120 | err = brcmf_fil_iovar_int_set(ifp, "qtxpower", qdbm); | |
2121 | if (err) | |
2122 | brcmf_err("qtxpower error (%d)\n", err); | |
2123 | ||
2124 | done: | |
2125 | brcmf_dbg(TRACE, "Exit %d (qdbm)\n", qdbm & ~WL_TXPWR_OVERRIDE); | |
2126 | return err; | |
2127 | } | |
2128 | ||
2129 | static s32 | |
2130 | brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, | |
2131 | s32 *dbm) | |
2132 | { | |
2133 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
2134 | struct net_device *ndev = cfg_to_ndev(cfg); | |
2135 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2136 | s32 qdbm = 0; | |
2137 | s32 err; | |
2138 | ||
2139 | brcmf_dbg(TRACE, "Enter\n"); | |
2140 | if (!check_vif_up(ifp->vif)) | |
2141 | return -EIO; | |
2142 | ||
2143 | err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &qdbm); | |
2144 | if (err) { | |
2145 | brcmf_err("error (%d)\n", err); | |
2146 | goto done; | |
2147 | } | |
2148 | *dbm = (qdbm & ~WL_TXPWR_OVERRIDE) / 4; | |
2149 | ||
2150 | done: | |
2151 | brcmf_dbg(TRACE, "Exit (0x%x %d)\n", qdbm, *dbm); | |
2152 | return err; | |
2153 | } | |
2154 | ||
2155 | static s32 | |
2156 | brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, | |
2157 | u8 key_idx, bool unicast, bool multicast) | |
2158 | { | |
2159 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2160 | u32 index; | |
2161 | u32 wsec; | |
2162 | s32 err = 0; | |
2163 | ||
2164 | brcmf_dbg(TRACE, "Enter\n"); | |
2165 | brcmf_dbg(CONN, "key index (%d)\n", key_idx); | |
2166 | if (!check_vif_up(ifp->vif)) | |
2167 | return -EIO; | |
2168 | ||
2169 | err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); | |
2170 | if (err) { | |
2171 | brcmf_err("WLC_GET_WSEC error (%d)\n", err); | |
2172 | goto done; | |
2173 | } | |
2174 | ||
2175 | if (wsec & WEP_ENABLED) { | |
2176 | /* Just select a new current key */ | |
2177 | index = key_idx; | |
2178 | err = brcmf_fil_cmd_int_set(ifp, | |
2179 | BRCMF_C_SET_KEY_PRIMARY, index); | |
2180 | if (err) | |
2181 | brcmf_err("error (%d)\n", err); | |
2182 | } | |
2183 | done: | |
2184 | brcmf_dbg(TRACE, "Exit\n"); | |
2185 | return err; | |
2186 | } | |
2187 | ||
2188 | static s32 | |
2189 | brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, | |
2190 | u8 key_idx, bool pairwise, const u8 *mac_addr) | |
2191 | { | |
2192 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2193 | struct brcmf_wsec_key *key; | |
2194 | s32 err; | |
2195 | ||
2196 | brcmf_dbg(TRACE, "Enter\n"); | |
2197 | brcmf_dbg(CONN, "key index (%d)\n", key_idx); | |
2198 | ||
2199 | if (!check_vif_up(ifp->vif)) | |
2200 | return -EIO; | |
2201 | ||
2202 | if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { | |
2203 | /* we ignore this key index in this case */ | |
2204 | return -EINVAL; | |
2205 | } | |
2206 | ||
2207 | key = &ifp->vif->profile.key[key_idx]; | |
2208 | ||
2209 | if (key->algo == CRYPTO_ALGO_OFF) { | |
2210 | brcmf_dbg(CONN, "Ignore clearing of (never configured) key\n"); | |
2211 | return -EINVAL; | |
2212 | } | |
2213 | ||
2214 | memset(key, 0, sizeof(*key)); | |
2215 | key->index = (u32)key_idx; | |
2216 | key->flags = BRCMF_PRIMARY_KEY; | |
2217 | ||
2218 | /* Clear the key/index */ | |
2219 | err = send_key_to_dongle(ifp, key); | |
2220 | ||
2221 | brcmf_dbg(TRACE, "Exit\n"); | |
2222 | return err; | |
2223 | } | |
2224 | ||
2225 | static s32 | |
2226 | brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, | |
2227 | u8 key_idx, bool pairwise, const u8 *mac_addr, | |
2228 | struct key_params *params) | |
2229 | { | |
2230 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2231 | struct brcmf_wsec_key *key; | |
2232 | s32 val; | |
2233 | s32 wsec; | |
2234 | s32 err; | |
2235 | u8 keybuf[8]; | |
2236 | bool ext_key; | |
2237 | ||
2238 | brcmf_dbg(TRACE, "Enter\n"); | |
2239 | brcmf_dbg(CONN, "key index (%d)\n", key_idx); | |
2240 | if (!check_vif_up(ifp->vif)) | |
2241 | return -EIO; | |
2242 | ||
2243 | if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { | |
2244 | /* we ignore this key index in this case */ | |
2245 | brcmf_err("invalid key index (%d)\n", key_idx); | |
2246 | return -EINVAL; | |
2247 | } | |
2248 | ||
2249 | if (params->key_len == 0) | |
2250 | return brcmf_cfg80211_del_key(wiphy, ndev, key_idx, pairwise, | |
2251 | mac_addr); | |
2252 | ||
2253 | if (params->key_len > sizeof(key->data)) { | |
2254 | brcmf_err("Too long key length (%u)\n", params->key_len); | |
2255 | return -EINVAL; | |
2256 | } | |
2257 | ||
2258 | ext_key = false; | |
2259 | if (mac_addr && (params->cipher != WLAN_CIPHER_SUITE_WEP40) && | |
2260 | (params->cipher != WLAN_CIPHER_SUITE_WEP104)) { | |
2261 | brcmf_dbg(TRACE, "Ext key, mac %pM", mac_addr); | |
2262 | ext_key = true; | |
2263 | } | |
2264 | ||
2265 | key = &ifp->vif->profile.key[key_idx]; | |
2266 | memset(key, 0, sizeof(*key)); | |
2267 | if ((ext_key) && (!is_multicast_ether_addr(mac_addr))) | |
2268 | memcpy((char *)&key->ea, (void *)mac_addr, ETH_ALEN); | |
2269 | key->len = params->key_len; | |
2270 | key->index = key_idx; | |
2271 | memcpy(key->data, params->key, key->len); | |
2272 | if (!ext_key) | |
2273 | key->flags = BRCMF_PRIMARY_KEY; | |
2274 | ||
2275 | switch (params->cipher) { | |
2276 | case WLAN_CIPHER_SUITE_WEP40: | |
2277 | key->algo = CRYPTO_ALGO_WEP1; | |
2278 | val = WEP_ENABLED; | |
2279 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); | |
2280 | break; | |
2281 | case WLAN_CIPHER_SUITE_WEP104: | |
2282 | key->algo = CRYPTO_ALGO_WEP128; | |
2283 | val = WEP_ENABLED; | |
2284 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); | |
2285 | break; | |
2286 | case WLAN_CIPHER_SUITE_TKIP: | |
2287 | if (!brcmf_is_apmode(ifp->vif)) { | |
2288 | brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); | |
2289 | memcpy(keybuf, &key->data[24], sizeof(keybuf)); | |
2290 | memcpy(&key->data[24], &key->data[16], sizeof(keybuf)); | |
2291 | memcpy(&key->data[16], keybuf, sizeof(keybuf)); | |
2292 | } | |
2293 | key->algo = CRYPTO_ALGO_TKIP; | |
2294 | val = TKIP_ENABLED; | |
2295 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); | |
2296 | break; | |
2297 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
2298 | key->algo = CRYPTO_ALGO_AES_CCM; | |
2299 | val = AES_ENABLED; | |
2300 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); | |
2301 | break; | |
2302 | case WLAN_CIPHER_SUITE_CCMP: | |
2303 | key->algo = CRYPTO_ALGO_AES_CCM; | |
2304 | val = AES_ENABLED; | |
2305 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); | |
2306 | break; | |
2307 | default: | |
2308 | brcmf_err("Invalid cipher (0x%x)\n", params->cipher); | |
2309 | err = -EINVAL; | |
2310 | goto done; | |
2311 | } | |
2312 | ||
2313 | err = send_key_to_dongle(ifp, key); | |
2314 | if (ext_key || err) | |
2315 | goto done; | |
2316 | ||
2317 | err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); | |
2318 | if (err) { | |
2319 | brcmf_err("get wsec error (%d)\n", err); | |
2320 | goto done; | |
2321 | } | |
2322 | wsec |= val; | |
2323 | err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); | |
2324 | if (err) { | |
2325 | brcmf_err("set wsec error (%d)\n", err); | |
2326 | goto done; | |
2327 | } | |
2328 | ||
2329 | done: | |
2330 | brcmf_dbg(TRACE, "Exit\n"); | |
2331 | return err; | |
2332 | } | |
2333 | ||
2334 | static s32 | |
2335 | brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx, | |
2336 | bool pairwise, const u8 *mac_addr, void *cookie, | |
2337 | void (*callback)(void *cookie, | |
2338 | struct key_params *params)) | |
2339 | { | |
2340 | struct key_params params; | |
2341 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2342 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
2343 | struct brcmf_cfg80211_security *sec; | |
2344 | s32 wsec; | |
2345 | s32 err = 0; | |
2346 | ||
2347 | brcmf_dbg(TRACE, "Enter\n"); | |
2348 | brcmf_dbg(CONN, "key index (%d)\n", key_idx); | |
2349 | if (!check_vif_up(ifp->vif)) | |
2350 | return -EIO; | |
2351 | ||
2352 | memset(¶ms, 0, sizeof(params)); | |
2353 | ||
2354 | err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); | |
2355 | if (err) { | |
2356 | brcmf_err("WLC_GET_WSEC error (%d)\n", err); | |
2357 | /* Ignore this error, may happen during DISASSOC */ | |
2358 | err = -EAGAIN; | |
2359 | goto done; | |
2360 | } | |
2361 | if (wsec & WEP_ENABLED) { | |
2362 | sec = &profile->sec; | |
2363 | if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { | |
2364 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
2365 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); | |
2366 | } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { | |
2367 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
2368 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); | |
2369 | } | |
2370 | } else if (wsec & TKIP_ENABLED) { | |
2371 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
2372 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); | |
2373 | } else if (wsec & AES_ENABLED) { | |
2374 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; | |
2375 | brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); | |
2376 | } else { | |
2377 | brcmf_err("Invalid algo (0x%x)\n", wsec); | |
2378 | err = -EINVAL; | |
2379 | goto done; | |
2380 | } | |
2381 | callback(cookie, ¶ms); | |
2382 | ||
2383 | done: | |
2384 | brcmf_dbg(TRACE, "Exit\n"); | |
2385 | return err; | |
2386 | } | |
2387 | ||
2388 | static s32 | |
2389 | brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, | |
2390 | struct net_device *ndev, u8 key_idx) | |
2391 | { | |
2392 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2393 | ||
2394 | brcmf_dbg(TRACE, "Enter key_idx %d\n", key_idx); | |
2395 | ||
2396 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) | |
2397 | return 0; | |
2398 | ||
2399 | brcmf_dbg(INFO, "Not supported\n"); | |
2400 | ||
2401 | return -EOPNOTSUPP; | |
2402 | } | |
2403 | ||
2404 | static void | |
2405 | brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp) | |
2406 | { | |
2407 | s32 err; | |
2408 | u8 key_idx; | |
2409 | struct brcmf_wsec_key *key; | |
2410 | s32 wsec; | |
2411 | ||
2412 | for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) { | |
2413 | key = &ifp->vif->profile.key[key_idx]; | |
2414 | if ((key->algo == CRYPTO_ALGO_WEP1) || | |
2415 | (key->algo == CRYPTO_ALGO_WEP128)) | |
2416 | break; | |
2417 | } | |
2418 | if (key_idx == BRCMF_MAX_DEFAULT_KEYS) | |
2419 | return; | |
2420 | ||
2421 | err = send_key_to_dongle(ifp, key); | |
2422 | if (err) { | |
2423 | brcmf_err("Setting WEP key failed (%d)\n", err); | |
2424 | return; | |
2425 | } | |
2426 | err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); | |
2427 | if (err) { | |
2428 | brcmf_err("get wsec error (%d)\n", err); | |
2429 | return; | |
2430 | } | |
2431 | wsec |= WEP_ENABLED; | |
2432 | err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); | |
2433 | if (err) | |
2434 | brcmf_err("set wsec error (%d)\n", err); | |
2435 | } | |
2436 | ||
2437 | static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si) | |
2438 | { | |
2439 | struct nl80211_sta_flag_update *sfu; | |
2440 | ||
2441 | brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags); | |
2442 | si->filled |= BIT(NL80211_STA_INFO_STA_FLAGS); | |
2443 | sfu = &si->sta_flags; | |
2444 | sfu->mask = BIT(NL80211_STA_FLAG_WME) | | |
2445 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
2446 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
2447 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
2448 | if (fw_sta_flags & BRCMF_STA_WME) | |
2449 | sfu->set |= BIT(NL80211_STA_FLAG_WME); | |
2450 | if (fw_sta_flags & BRCMF_STA_AUTHE) | |
2451 | sfu->set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
2452 | if (fw_sta_flags & BRCMF_STA_ASSOC) | |
2453 | sfu->set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
2454 | if (fw_sta_flags & BRCMF_STA_AUTHO) | |
2455 | sfu->set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
2456 | } | |
2457 | ||
2458 | static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si) | |
2459 | { | |
2460 | struct { | |
2461 | __le32 len; | |
2462 | struct brcmf_bss_info_le bss_le; | |
2463 | } *buf; | |
2464 | u16 capability; | |
2465 | int err; | |
2466 | ||
2467 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); | |
2468 | if (!buf) | |
2469 | return; | |
2470 | ||
2471 | buf->len = cpu_to_le32(WL_BSS_INFO_MAX); | |
2472 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, buf, | |
2473 | WL_BSS_INFO_MAX); | |
2474 | if (err) { | |
2475 | brcmf_err("Failed to get bss info (%d)\n", err); | |
2476 | return; | |
2477 | } | |
2478 | si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); | |
2479 | si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period); | |
2480 | si->bss_param.dtim_period = buf->bss_le.dtim_period; | |
2481 | capability = le16_to_cpu(buf->bss_le.capability); | |
2482 | if (capability & IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT) | |
2483 | si->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
2484 | if (capability & WLAN_CAPABILITY_SHORT_PREAMBLE) | |
2485 | si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
2486 | if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) | |
2487 | si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
2488 | } | |
2489 | ||
2490 | static s32 | |
2491 | brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp, | |
2492 | struct station_info *sinfo) | |
2493 | { | |
2494 | struct brcmf_scb_val_le scbval; | |
2495 | struct brcmf_pktcnt_le pktcnt; | |
2496 | s32 err; | |
2497 | u32 rate; | |
2498 | u32 rssi; | |
2499 | ||
2500 | /* Get the current tx rate */ | |
2501 | err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate); | |
2502 | if (err < 0) { | |
2503 | brcmf_err("BRCMF_C_GET_RATE error (%d)\n", err); | |
2504 | return err; | |
2505 | } | |
2506 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); | |
2507 | sinfo->txrate.legacy = rate * 5; | |
2508 | ||
2509 | memset(&scbval, 0, sizeof(scbval)); | |
2510 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, &scbval, | |
2511 | sizeof(scbval)); | |
2512 | if (err) { | |
2513 | brcmf_err("BRCMF_C_GET_RSSI error (%d)\n", err); | |
2514 | return err; | |
2515 | } | |
2516 | rssi = le32_to_cpu(scbval.val); | |
2517 | sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); | |
2518 | sinfo->signal = rssi; | |
2519 | ||
2520 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_GET_PKTCNTS, &pktcnt, | |
2521 | sizeof(pktcnt)); | |
2522 | if (err) { | |
2523 | brcmf_err("BRCMF_C_GET_GET_PKTCNTS error (%d)\n", err); | |
2524 | return err; | |
2525 | } | |
2526 | sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS) | | |
2527 | BIT(NL80211_STA_INFO_RX_DROP_MISC) | | |
2528 | BIT(NL80211_STA_INFO_TX_PACKETS) | | |
2529 | BIT(NL80211_STA_INFO_TX_FAILED); | |
2530 | sinfo->rx_packets = le32_to_cpu(pktcnt.rx_good_pkt); | |
2531 | sinfo->rx_dropped_misc = le32_to_cpu(pktcnt.rx_bad_pkt); | |
2532 | sinfo->tx_packets = le32_to_cpu(pktcnt.tx_good_pkt); | |
2533 | sinfo->tx_failed = le32_to_cpu(pktcnt.tx_bad_pkt); | |
2534 | ||
2535 | return 0; | |
2536 | } | |
2537 | ||
2538 | static s32 | |
2539 | brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, | |
2540 | const u8 *mac, struct station_info *sinfo) | |
2541 | { | |
2542 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2543 | s32 err = 0; | |
2544 | struct brcmf_sta_info_le sta_info_le; | |
2545 | u32 sta_flags; | |
2546 | u32 is_tdls_peer; | |
2547 | s32 total_rssi; | |
2548 | s32 count_rssi; | |
2549 | u32 i; | |
2550 | ||
2551 | brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac); | |
2552 | if (!check_vif_up(ifp->vif)) | |
2553 | return -EIO; | |
2554 | ||
2555 | if (brcmf_is_ibssmode(ifp->vif)) | |
2556 | return brcmf_cfg80211_get_station_ibss(ifp, sinfo); | |
2557 | ||
2558 | memset(&sta_info_le, 0, sizeof(sta_info_le)); | |
2559 | memcpy(&sta_info_le, mac, ETH_ALEN); | |
2560 | err = brcmf_fil_iovar_data_get(ifp, "tdls_sta_info", | |
2561 | &sta_info_le, | |
2562 | sizeof(sta_info_le)); | |
2563 | is_tdls_peer = !err; | |
2564 | if (err) { | |
2565 | err = brcmf_fil_iovar_data_get(ifp, "sta_info", | |
2566 | &sta_info_le, | |
2567 | sizeof(sta_info_le)); | |
2568 | if (err < 0) { | |
2569 | brcmf_err("GET STA INFO failed, %d\n", err); | |
2570 | goto done; | |
2571 | } | |
2572 | } | |
2573 | brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver)); | |
2574 | sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME); | |
2575 | sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000; | |
2576 | sta_flags = le32_to_cpu(sta_info_le.flags); | |
2577 | brcmf_convert_sta_flags(sta_flags, sinfo); | |
2578 | sinfo->sta_flags.mask |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
2579 | if (is_tdls_peer) | |
2580 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
2581 | else | |
2582 | sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
2583 | if (sta_flags & BRCMF_STA_ASSOC) { | |
2584 | sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME); | |
2585 | sinfo->connected_time = le32_to_cpu(sta_info_le.in); | |
2586 | brcmf_fill_bss_param(ifp, sinfo); | |
2587 | } | |
2588 | if (sta_flags & BRCMF_STA_SCBSTATS) { | |
2589 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED); | |
2590 | sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures); | |
2591 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS); | |
2592 | sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts); | |
2593 | sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts); | |
2594 | sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS); | |
2595 | sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts); | |
2596 | sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts); | |
2597 | if (sinfo->tx_packets) { | |
2598 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); | |
2599 | sinfo->txrate.legacy = | |
2600 | le32_to_cpu(sta_info_le.tx_rate) / 100; | |
2601 | } | |
2602 | if (sinfo->rx_packets) { | |
2603 | sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); | |
2604 | sinfo->rxrate.legacy = | |
2605 | le32_to_cpu(sta_info_le.rx_rate) / 100; | |
2606 | } | |
2607 | if (le16_to_cpu(sta_info_le.ver) >= 4) { | |
2608 | sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES); | |
2609 | sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes); | |
2610 | sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES); | |
2611 | sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes); | |
2612 | } | |
2613 | total_rssi = 0; | |
2614 | count_rssi = 0; | |
2615 | for (i = 0; i < BRCMF_ANT_MAX; i++) { | |
2616 | if (sta_info_le.rssi[i]) { | |
2617 | sinfo->chain_signal_avg[count_rssi] = | |
2618 | sta_info_le.rssi[i]; | |
2619 | sinfo->chain_signal[count_rssi] = | |
2620 | sta_info_le.rssi[i]; | |
2621 | total_rssi += sta_info_le.rssi[i]; | |
2622 | count_rssi++; | |
2623 | } | |
2624 | } | |
2625 | if (count_rssi) { | |
2626 | sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL); | |
2627 | sinfo->chains = count_rssi; | |
2628 | ||
2629 | sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); | |
2630 | total_rssi /= count_rssi; | |
2631 | sinfo->signal = total_rssi; | |
2632 | } | |
2633 | } | |
2634 | done: | |
2635 | brcmf_dbg(TRACE, "Exit\n"); | |
2636 | return err; | |
2637 | } | |
2638 | ||
2639 | static int | |
2640 | brcmf_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev, | |
2641 | int idx, u8 *mac, struct station_info *sinfo) | |
2642 | { | |
2643 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
2644 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2645 | s32 err; | |
2646 | ||
2647 | brcmf_dbg(TRACE, "Enter, idx %d\n", idx); | |
2648 | ||
2649 | if (idx == 0) { | |
2650 | cfg->assoclist.count = cpu_to_le32(BRCMF_MAX_ASSOCLIST); | |
2651 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_ASSOCLIST, | |
2652 | &cfg->assoclist, | |
2653 | sizeof(cfg->assoclist)); | |
2654 | if (err) { | |
2655 | brcmf_err("BRCMF_C_GET_ASSOCLIST unsupported, err=%d\n", | |
2656 | err); | |
2657 | cfg->assoclist.count = 0; | |
2658 | return -EOPNOTSUPP; | |
2659 | } | |
2660 | } | |
2661 | if (idx < le32_to_cpu(cfg->assoclist.count)) { | |
2662 | memcpy(mac, cfg->assoclist.mac[idx], ETH_ALEN); | |
2663 | return brcmf_cfg80211_get_station(wiphy, ndev, mac, sinfo); | |
2664 | } | |
2665 | return -ENOENT; | |
2666 | } | |
2667 | ||
2668 | static s32 | |
2669 | brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, | |
2670 | bool enabled, s32 timeout) | |
2671 | { | |
2672 | s32 pm; | |
2673 | s32 err = 0; | |
2674 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
2675 | struct brcmf_if *ifp = netdev_priv(ndev); | |
2676 | ||
2677 | brcmf_dbg(TRACE, "Enter\n"); | |
2678 | ||
2679 | /* | |
2680 | * Powersave enable/disable request is coming from the | |
2681 | * cfg80211 even before the interface is up. In that | |
2682 | * scenario, driver will be storing the power save | |
2683 | * preference in cfg struct to apply this to | |
2684 | * FW later while initializing the dongle | |
2685 | */ | |
2686 | cfg->pwr_save = enabled; | |
2687 | if (!check_vif_up(ifp->vif)) { | |
2688 | ||
2689 | brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n"); | |
2690 | goto done; | |
2691 | } | |
2692 | ||
2693 | pm = enabled ? PM_FAST : PM_OFF; | |
2694 | /* Do not enable the power save after assoc if it is a p2p interface */ | |
2695 | if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) { | |
2696 | brcmf_dbg(INFO, "Do not enable power save for P2P clients\n"); | |
2697 | pm = PM_OFF; | |
2698 | } | |
2699 | brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled")); | |
2700 | ||
2701 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm); | |
2702 | if (err) { | |
2703 | if (err == -ENODEV) | |
2704 | brcmf_err("net_device is not ready yet\n"); | |
2705 | else | |
2706 | brcmf_err("error (%d)\n", err); | |
2707 | } | |
2708 | done: | |
2709 | brcmf_dbg(TRACE, "Exit\n"); | |
2710 | return err; | |
2711 | } | |
2712 | ||
2713 | static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, | |
2714 | struct brcmf_bss_info_le *bi) | |
2715 | { | |
2716 | struct wiphy *wiphy = cfg_to_wiphy(cfg); | |
2717 | struct ieee80211_channel *notify_channel; | |
2718 | struct cfg80211_bss *bss; | |
2719 | struct ieee80211_supported_band *band; | |
2720 | struct brcmu_chan ch; | |
2721 | u16 channel; | |
2722 | u32 freq; | |
2723 | u16 notify_capability; | |
2724 | u16 notify_interval; | |
2725 | u8 *notify_ie; | |
2726 | size_t notify_ielen; | |
2727 | s32 notify_signal; | |
2728 | ||
2729 | if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { | |
2730 | brcmf_err("Bss info is larger than buffer. Discarding\n"); | |
2731 | return 0; | |
2732 | } | |
2733 | ||
2734 | if (!bi->ctl_ch) { | |
2735 | ch.chspec = le16_to_cpu(bi->chanspec); | |
2736 | cfg->d11inf.decchspec(&ch); | |
2737 | bi->ctl_ch = ch.chnum; | |
2738 | } | |
2739 | channel = bi->ctl_ch; | |
2740 | ||
2741 | if (channel <= CH_MAX_2G_CHANNEL) | |
2742 | band = wiphy->bands[NL80211_BAND_2GHZ]; | |
2743 | else | |
2744 | band = wiphy->bands[NL80211_BAND_5GHZ]; | |
2745 | ||
2746 | freq = ieee80211_channel_to_frequency(channel, band->band); | |
2747 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
2748 | ||
2749 | notify_capability = le16_to_cpu(bi->capability); | |
2750 | notify_interval = le16_to_cpu(bi->beacon_period); | |
2751 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); | |
2752 | notify_ielen = le32_to_cpu(bi->ie_length); | |
2753 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; | |
2754 | ||
2755 | brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID); | |
2756 | brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq); | |
2757 | brcmf_dbg(CONN, "Capability: %X\n", notify_capability); | |
2758 | brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval); | |
2759 | brcmf_dbg(CONN, "Signal: %d\n", notify_signal); | |
2760 | ||
2761 | bss = cfg80211_inform_bss(wiphy, notify_channel, | |
2762 | CFG80211_BSS_FTYPE_UNKNOWN, | |
2763 | (const u8 *)bi->BSSID, | |
2764 | 0, notify_capability, | |
2765 | notify_interval, notify_ie, | |
2766 | notify_ielen, notify_signal, | |
2767 | GFP_KERNEL); | |
2768 | ||
2769 | if (!bss) | |
2770 | return -ENOMEM; | |
2771 | ||
2772 | cfg80211_put_bss(wiphy, bss); | |
2773 | ||
2774 | return 0; | |
2775 | } | |
2776 | ||
2777 | static struct brcmf_bss_info_le * | |
2778 | next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss) | |
2779 | { | |
2780 | if (bss == NULL) | |
2781 | return list->bss_info_le; | |
2782 | return (struct brcmf_bss_info_le *)((unsigned long)bss + | |
2783 | le32_to_cpu(bss->length)); | |
2784 | } | |
2785 | ||
2786 | static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) | |
2787 | { | |
2788 | struct brcmf_scan_results *bss_list; | |
2789 | struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ | |
2790 | s32 err = 0; | |
2791 | int i; | |
2792 | ||
2793 | bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; | |
2794 | if (bss_list->count != 0 && | |
2795 | bss_list->version != BRCMF_BSS_INFO_VERSION) { | |
2796 | brcmf_err("Version %d != WL_BSS_INFO_VERSION\n", | |
2797 | bss_list->version); | |
2798 | return -EOPNOTSUPP; | |
2799 | } | |
2800 | brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count); | |
2801 | for (i = 0; i < bss_list->count; i++) { | |
2802 | bi = next_bss_le(bss_list, bi); | |
2803 | err = brcmf_inform_single_bss(cfg, bi); | |
2804 | if (err) | |
2805 | break; | |
2806 | } | |
2807 | return err; | |
2808 | } | |
2809 | ||
2810 | static s32 brcmf_inform_ibss(struct brcmf_cfg80211_info *cfg, | |
2811 | struct net_device *ndev, const u8 *bssid) | |
2812 | { | |
2813 | struct wiphy *wiphy = cfg_to_wiphy(cfg); | |
2814 | struct ieee80211_channel *notify_channel; | |
2815 | struct brcmf_bss_info_le *bi = NULL; | |
2816 | struct ieee80211_supported_band *band; | |
2817 | struct cfg80211_bss *bss; | |
2818 | struct brcmu_chan ch; | |
2819 | u8 *buf = NULL; | |
2820 | s32 err = 0; | |
2821 | u32 freq; | |
2822 | u16 notify_capability; | |
2823 | u16 notify_interval; | |
2824 | u8 *notify_ie; | |
2825 | size_t notify_ielen; | |
2826 | s32 notify_signal; | |
2827 | ||
2828 | brcmf_dbg(TRACE, "Enter\n"); | |
2829 | ||
2830 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); | |
2831 | if (buf == NULL) { | |
2832 | err = -ENOMEM; | |
2833 | goto CleanUp; | |
2834 | } | |
2835 | ||
2836 | *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); | |
2837 | ||
2838 | err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO, | |
2839 | buf, WL_BSS_INFO_MAX); | |
2840 | if (err) { | |
2841 | brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err); | |
2842 | goto CleanUp; | |
2843 | } | |
2844 | ||
2845 | bi = (struct brcmf_bss_info_le *)(buf + 4); | |
2846 | ||
2847 | ch.chspec = le16_to_cpu(bi->chanspec); | |
2848 | cfg->d11inf.decchspec(&ch); | |
2849 | ||
2850 | if (ch.band == BRCMU_CHAN_BAND_2G) | |
2851 | band = wiphy->bands[NL80211_BAND_2GHZ]; | |
2852 | else | |
2853 | band = wiphy->bands[NL80211_BAND_5GHZ]; | |
2854 | ||
2855 | freq = ieee80211_channel_to_frequency(ch.chnum, band->band); | |
2856 | cfg->channel = freq; | |
2857 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
2858 | ||
2859 | notify_capability = le16_to_cpu(bi->capability); | |
2860 | notify_interval = le16_to_cpu(bi->beacon_period); | |
2861 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); | |
2862 | notify_ielen = le32_to_cpu(bi->ie_length); | |
2863 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; | |
2864 | ||
2865 | brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq); | |
2866 | brcmf_dbg(CONN, "capability: %X\n", notify_capability); | |
2867 | brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval); | |
2868 | brcmf_dbg(CONN, "signal: %d\n", notify_signal); | |
2869 | ||
2870 | bss = cfg80211_inform_bss(wiphy, notify_channel, | |
2871 | CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0, | |
2872 | notify_capability, notify_interval, | |
2873 | notify_ie, notify_ielen, notify_signal, | |
2874 | GFP_KERNEL); | |
2875 | ||
2876 | if (!bss) { | |
2877 | err = -ENOMEM; | |
2878 | goto CleanUp; | |
2879 | } | |
2880 | ||
2881 | cfg80211_put_bss(wiphy, bss); | |
2882 | ||
2883 | CleanUp: | |
2884 | ||
2885 | kfree(buf); | |
2886 | ||
2887 | brcmf_dbg(TRACE, "Exit\n"); | |
2888 | ||
2889 | return err; | |
2890 | } | |
2891 | ||
2892 | static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg, | |
2893 | struct brcmf_if *ifp) | |
2894 | { | |
2895 | struct brcmf_bss_info_le *bi; | |
2896 | const struct brcmf_tlv *tim; | |
2897 | u16 beacon_interval; | |
2898 | u8 dtim_period; | |
2899 | size_t ie_len; | |
2900 | u8 *ie; | |
2901 | s32 err = 0; | |
2902 | ||
2903 | brcmf_dbg(TRACE, "Enter\n"); | |
2904 | if (brcmf_is_ibssmode(ifp->vif)) | |
2905 | return err; | |
2906 | ||
2907 | *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); | |
2908 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, | |
2909 | cfg->extra_buf, WL_EXTRA_BUF_MAX); | |
2910 | if (err) { | |
2911 | brcmf_err("Could not get bss info %d\n", err); | |
2912 | goto update_bss_info_out; | |
2913 | } | |
2914 | ||
2915 | bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4); | |
2916 | err = brcmf_inform_single_bss(cfg, bi); | |
2917 | if (err) | |
2918 | goto update_bss_info_out; | |
2919 | ||
2920 | ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); | |
2921 | ie_len = le32_to_cpu(bi->ie_length); | |
2922 | beacon_interval = le16_to_cpu(bi->beacon_period); | |
2923 | ||
2924 | tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM); | |
2925 | if (tim) | |
2926 | dtim_period = tim->data[1]; | |
2927 | else { | |
2928 | /* | |
2929 | * active scan was done so we could not get dtim | |
2930 | * information out of probe response. | |
2931 | * so we speficially query dtim information to dongle. | |
2932 | */ | |
2933 | u32 var; | |
2934 | err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var); | |
2935 | if (err) { | |
2936 | brcmf_err("wl dtim_assoc failed (%d)\n", err); | |
2937 | goto update_bss_info_out; | |
2938 | } | |
2939 | dtim_period = (u8)var; | |
2940 | } | |
2941 | ||
2942 | update_bss_info_out: | |
2943 | brcmf_dbg(TRACE, "Exit"); | |
2944 | return err; | |
2945 | } | |
2946 | ||
2947 | void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) | |
2948 | { | |
2949 | struct escan_info *escan = &cfg->escan_info; | |
2950 | ||
2951 | set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); | |
2952 | if (cfg->scan_request) { | |
2953 | escan->escan_state = WL_ESCAN_STATE_IDLE; | |
2954 | brcmf_notify_escan_complete(cfg, escan->ifp, true, true); | |
2955 | } | |
2956 | clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); | |
2957 | clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); | |
2958 | } | |
2959 | ||
2960 | static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) | |
2961 | { | |
2962 | struct brcmf_cfg80211_info *cfg = | |
2963 | container_of(work, struct brcmf_cfg80211_info, | |
2964 | escan_timeout_work); | |
2965 | ||
2966 | brcmf_inform_bss(cfg); | |
2967 | brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true); | |
2968 | } | |
2969 | ||
2970 | static void brcmf_escan_timeout(unsigned long data) | |
2971 | { | |
2972 | struct brcmf_cfg80211_info *cfg = | |
2973 | (struct brcmf_cfg80211_info *)data; | |
2974 | ||
2975 | if (cfg->scan_request) { | |
2976 | brcmf_err("timer expired\n"); | |
2977 | schedule_work(&cfg->escan_timeout_work); | |
2978 | } | |
2979 | } | |
2980 | ||
2981 | static s32 | |
2982 | brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg, | |
2983 | struct brcmf_bss_info_le *bss, | |
2984 | struct brcmf_bss_info_le *bss_info_le) | |
2985 | { | |
2986 | struct brcmu_chan ch_bss, ch_bss_info_le; | |
2987 | ||
2988 | ch_bss.chspec = le16_to_cpu(bss->chanspec); | |
2989 | cfg->d11inf.decchspec(&ch_bss); | |
2990 | ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec); | |
2991 | cfg->d11inf.decchspec(&ch_bss_info_le); | |
2992 | ||
2993 | if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && | |
2994 | ch_bss.band == ch_bss_info_le.band && | |
2995 | bss_info_le->SSID_len == bss->SSID_len && | |
2996 | !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { | |
2997 | if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == | |
2998 | (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) { | |
2999 | s16 bss_rssi = le16_to_cpu(bss->RSSI); | |
3000 | s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI); | |
3001 | ||
3002 | /* preserve max RSSI if the measurements are | |
3003 | * both on-channel or both off-channel | |
3004 | */ | |
3005 | if (bss_info_rssi > bss_rssi) | |
3006 | bss->RSSI = bss_info_le->RSSI; | |
3007 | } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) && | |
3008 | (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) { | |
3009 | /* preserve the on-channel rssi measurement | |
3010 | * if the new measurement is off channel | |
3011 | */ | |
3012 | bss->RSSI = bss_info_le->RSSI; | |
3013 | bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL; | |
3014 | } | |
3015 | return 1; | |
3016 | } | |
3017 | return 0; | |
3018 | } | |
3019 | ||
3020 | static s32 | |
3021 | brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, | |
3022 | const struct brcmf_event_msg *e, void *data) | |
3023 | { | |
3024 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
3025 | s32 status; | |
3026 | struct brcmf_escan_result_le *escan_result_le; | |
3027 | struct brcmf_bss_info_le *bss_info_le; | |
3028 | struct brcmf_bss_info_le *bss = NULL; | |
3029 | u32 bi_length; | |
3030 | struct brcmf_scan_results *list; | |
3031 | u32 i; | |
3032 | bool aborted; | |
3033 | ||
3034 | status = e->status; | |
3035 | ||
3036 | if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { | |
3037 | brcmf_err("scan not ready, bsscfgidx=%d\n", ifp->bsscfgidx); | |
3038 | return -EPERM; | |
3039 | } | |
3040 | ||
3041 | if (status == BRCMF_E_STATUS_PARTIAL) { | |
3042 | brcmf_dbg(SCAN, "ESCAN Partial result\n"); | |
3043 | escan_result_le = (struct brcmf_escan_result_le *) data; | |
3044 | if (!escan_result_le) { | |
3045 | brcmf_err("Invalid escan result (NULL pointer)\n"); | |
3046 | goto exit; | |
3047 | } | |
3048 | if (le16_to_cpu(escan_result_le->bss_count) != 1) { | |
3049 | brcmf_err("Invalid bss_count %d: ignoring\n", | |
3050 | escan_result_le->bss_count); | |
3051 | goto exit; | |
3052 | } | |
3053 | bss_info_le = &escan_result_le->bss_info_le; | |
3054 | ||
3055 | if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le)) | |
3056 | goto exit; | |
3057 | ||
3058 | if (!cfg->scan_request) { | |
3059 | brcmf_dbg(SCAN, "result without cfg80211 request\n"); | |
3060 | goto exit; | |
3061 | } | |
3062 | ||
3063 | bi_length = le32_to_cpu(bss_info_le->length); | |
3064 | if (bi_length != (le32_to_cpu(escan_result_le->buflen) - | |
3065 | WL_ESCAN_RESULTS_FIXED_SIZE)) { | |
3066 | brcmf_err("Invalid bss_info length %d: ignoring\n", | |
3067 | bi_length); | |
3068 | goto exit; | |
3069 | } | |
3070 | ||
3071 | if (!(cfg_to_wiphy(cfg)->interface_modes & | |
3072 | BIT(NL80211_IFTYPE_ADHOC))) { | |
3073 | if (le16_to_cpu(bss_info_le->capability) & | |
3074 | WLAN_CAPABILITY_IBSS) { | |
3075 | brcmf_err("Ignoring IBSS result\n"); | |
3076 | goto exit; | |
3077 | } | |
3078 | } | |
3079 | ||
3080 | list = (struct brcmf_scan_results *) | |
3081 | cfg->escan_info.escan_buf; | |
3082 | if (bi_length > BRCMF_ESCAN_BUF_SIZE - list->buflen) { | |
3083 | brcmf_err("Buffer is too small: ignoring\n"); | |
3084 | goto exit; | |
3085 | } | |
3086 | ||
3087 | for (i = 0; i < list->count; i++) { | |
3088 | bss = bss ? (struct brcmf_bss_info_le *) | |
3089 | ((unsigned char *)bss + | |
3090 | le32_to_cpu(bss->length)) : list->bss_info_le; | |
3091 | if (brcmf_compare_update_same_bss(cfg, bss, | |
3092 | bss_info_le)) | |
3093 | goto exit; | |
3094 | } | |
3095 | memcpy(&cfg->escan_info.escan_buf[list->buflen], bss_info_le, | |
3096 | bi_length); | |
3097 | list->version = le32_to_cpu(bss_info_le->version); | |
3098 | list->buflen += bi_length; | |
3099 | list->count++; | |
3100 | } else { | |
3101 | cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; | |
3102 | if (brcmf_p2p_scan_finding_common_channel(cfg, NULL)) | |
3103 | goto exit; | |
3104 | if (cfg->scan_request) { | |
3105 | brcmf_inform_bss(cfg); | |
3106 | aborted = status != BRCMF_E_STATUS_SUCCESS; | |
3107 | brcmf_notify_escan_complete(cfg, ifp, aborted, false); | |
3108 | } else | |
3109 | brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", | |
3110 | status); | |
3111 | } | |
3112 | exit: | |
3113 | return 0; | |
3114 | } | |
3115 | ||
3116 | static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg) | |
3117 | { | |
3118 | brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT, | |
3119 | brcmf_cfg80211_escan_handler); | |
3120 | cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; | |
3121 | /* Init scan_timeout timer */ | |
3122 | init_timer(&cfg->escan_timeout); | |
3123 | cfg->escan_timeout.data = (unsigned long) cfg; | |
3124 | cfg->escan_timeout.function = brcmf_escan_timeout; | |
3125 | INIT_WORK(&cfg->escan_timeout_work, | |
3126 | brcmf_cfg80211_escan_timeout_worker); | |
3127 | } | |
3128 | ||
3129 | /* PFN result doesn't have all the info which are required by the supplicant | |
3130 | * (For e.g IEs) Do a target Escan so that sched scan results are reported | |
3131 | * via wl_inform_single_bss in the required format. Escan does require the | |
3132 | * scan request in the form of cfg80211_scan_request. For timebeing, create | |
3133 | * cfg80211_scan_request one out of the received PNO event. | |
3134 | */ | |
3135 | static s32 | |
3136 | brcmf_notify_sched_scan_results(struct brcmf_if *ifp, | |
3137 | const struct brcmf_event_msg *e, void *data) | |
3138 | { | |
3139 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
3140 | struct brcmf_pno_net_info_le *netinfo, *netinfo_start; | |
3141 | struct cfg80211_scan_request *request = NULL; | |
3142 | struct cfg80211_ssid *ssid = NULL; | |
3143 | struct ieee80211_channel *channel = NULL; | |
3144 | struct wiphy *wiphy = cfg_to_wiphy(cfg); | |
3145 | int err = 0; | |
3146 | int channel_req = 0; | |
3147 | int band = 0; | |
3148 | struct brcmf_pno_scanresults_le *pfn_result; | |
3149 | u32 result_count; | |
3150 | u32 status; | |
3151 | ||
3152 | brcmf_dbg(SCAN, "Enter\n"); | |
3153 | ||
3154 | if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) { | |
3155 | brcmf_dbg(SCAN, "Event data to small. Ignore\n"); | |
3156 | return 0; | |
3157 | } | |
3158 | ||
3159 | if (e->event_code == BRCMF_E_PFN_NET_LOST) { | |
3160 | brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n"); | |
3161 | return 0; | |
3162 | } | |
3163 | ||
3164 | pfn_result = (struct brcmf_pno_scanresults_le *)data; | |
3165 | result_count = le32_to_cpu(pfn_result->count); | |
3166 | status = le32_to_cpu(pfn_result->status); | |
3167 | ||
3168 | /* PFN event is limited to fit 512 bytes so we may get | |
3169 | * multiple NET_FOUND events. For now place a warning here. | |
3170 | */ | |
3171 | WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE); | |
3172 | brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count); | |
3173 | if (result_count > 0) { | |
3174 | int i; | |
3175 | ||
3176 | request = kzalloc(sizeof(*request), GFP_KERNEL); | |
3177 | ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL); | |
3178 | channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL); | |
3179 | if (!request || !ssid || !channel) { | |
3180 | err = -ENOMEM; | |
3181 | goto out_err; | |
3182 | } | |
3183 | ||
3184 | request->wiphy = wiphy; | |
3185 | data += sizeof(struct brcmf_pno_scanresults_le); | |
3186 | netinfo_start = (struct brcmf_pno_net_info_le *)data; | |
3187 | ||
3188 | for (i = 0; i < result_count; i++) { | |
3189 | netinfo = &netinfo_start[i]; | |
3190 | if (!netinfo) { | |
3191 | brcmf_err("Invalid netinfo ptr. index: %d\n", | |
3192 | i); | |
3193 | err = -EINVAL; | |
3194 | goto out_err; | |
3195 | } | |
3196 | ||
3197 | brcmf_dbg(SCAN, "SSID:%s Channel:%d\n", | |
3198 | netinfo->SSID, netinfo->channel); | |
3199 | memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len); | |
3200 | ssid[i].ssid_len = netinfo->SSID_len; | |
3201 | request->n_ssids++; | |
3202 | ||
3203 | channel_req = netinfo->channel; | |
3204 | if (channel_req <= CH_MAX_2G_CHANNEL) | |
3205 | band = NL80211_BAND_2GHZ; | |
3206 | else | |
3207 | band = NL80211_BAND_5GHZ; | |
3208 | channel[i].center_freq = | |
3209 | ieee80211_channel_to_frequency(channel_req, | |
3210 | band); | |
3211 | channel[i].band = band; | |
3212 | channel[i].flags |= IEEE80211_CHAN_NO_HT40; | |
3213 | request->channels[i] = &channel[i]; | |
3214 | request->n_channels++; | |
3215 | } | |
3216 | ||
3217 | /* assign parsed ssid array */ | |
3218 | if (request->n_ssids) | |
3219 | request->ssids = &ssid[0]; | |
3220 | ||
3221 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { | |
3222 | /* Abort any on-going scan */ | |
3223 | brcmf_abort_scanning(cfg); | |
3224 | } | |
3225 | ||
3226 | set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); | |
3227 | cfg->escan_info.run = brcmf_run_escan; | |
3228 | err = brcmf_do_escan(cfg, wiphy, ifp, request); | |
3229 | if (err) { | |
3230 | clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); | |
3231 | goto out_err; | |
3232 | } | |
3233 | cfg->sched_escan = true; | |
3234 | cfg->scan_request = request; | |
3235 | } else { | |
3236 | brcmf_err("FALSE PNO Event. (pfn_count == 0)\n"); | |
3237 | goto out_err; | |
3238 | } | |
3239 | ||
3240 | kfree(ssid); | |
3241 | kfree(channel); | |
3242 | kfree(request); | |
3243 | return 0; | |
3244 | ||
3245 | out_err: | |
3246 | kfree(ssid); | |
3247 | kfree(channel); | |
3248 | kfree(request); | |
3249 | cfg80211_sched_scan_stopped(wiphy); | |
3250 | return err; | |
3251 | } | |
3252 | ||
3253 | static int brcmf_dev_pno_clean(struct net_device *ndev) | |
3254 | { | |
3255 | int ret; | |
3256 | ||
3257 | /* Disable pfn */ | |
3258 | ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0); | |
3259 | if (ret == 0) { | |
3260 | /* clear pfn */ | |
3261 | ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear", | |
3262 | NULL, 0); | |
3263 | } | |
3264 | if (ret < 0) | |
3265 | brcmf_err("failed code %d\n", ret); | |
3266 | ||
3267 | return ret; | |
3268 | } | |
3269 | ||
3270 | static int brcmf_dev_pno_config(struct brcmf_if *ifp, | |
3271 | struct cfg80211_sched_scan_request *request) | |
3272 | { | |
3273 | struct brcmf_pno_param_le pfn_param; | |
3274 | struct brcmf_pno_macaddr_le pfn_mac; | |
3275 | s32 err; | |
3276 | u8 *mac_mask; | |
3277 | int i; | |
3278 | ||
3279 | memset(&pfn_param, 0, sizeof(pfn_param)); | |
3280 | pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION); | |
3281 | ||
3282 | /* set extra pno params */ | |
3283 | pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT); | |
3284 | pfn_param.repeat = BRCMF_PNO_REPEAT; | |
3285 | pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX; | |
3286 | ||
3287 | /* set up pno scan fr */ | |
3288 | pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME); | |
3289 | ||
3290 | err = brcmf_fil_iovar_data_set(ifp, "pfn_set", &pfn_param, | |
3291 | sizeof(pfn_param)); | |
3292 | if (err) { | |
3293 | brcmf_err("pfn_set failed, err=%d\n", err); | |
3294 | return err; | |
3295 | } | |
3296 | ||
3297 | /* Find out if mac randomization should be turned on */ | |
3298 | if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)) | |
3299 | return 0; | |
3300 | ||
3301 | pfn_mac.version = BRCMF_PFN_MACADDR_CFG_VER; | |
3302 | pfn_mac.flags = BRCMF_PFN_MAC_OUI_ONLY | BRCMF_PFN_SET_MAC_UNASSOC; | |
3303 | ||
3304 | memcpy(pfn_mac.mac, request->mac_addr, ETH_ALEN); | |
3305 | mac_mask = request->mac_addr_mask; | |
3306 | for (i = 0; i < ETH_ALEN; i++) { | |
3307 | pfn_mac.mac[i] &= mac_mask[i]; | |
3308 | pfn_mac.mac[i] |= get_random_int() & ~(mac_mask[i]); | |
3309 | } | |
3310 | /* Clear multi bit */ | |
3311 | pfn_mac.mac[0] &= 0xFE; | |
3312 | /* Set locally administered */ | |
3313 | pfn_mac.mac[0] |= 0x02; | |
3314 | ||
3315 | err = brcmf_fil_iovar_data_set(ifp, "pfn_macaddr", &pfn_mac, | |
3316 | sizeof(pfn_mac)); | |
3317 | if (err) | |
3318 | brcmf_err("pfn_macaddr failed, err=%d\n", err); | |
3319 | ||
3320 | return err; | |
3321 | } | |
3322 | ||
3323 | static int | |
3324 | brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, | |
3325 | struct net_device *ndev, | |
3326 | struct cfg80211_sched_scan_request *request) | |
3327 | { | |
3328 | struct brcmf_if *ifp = netdev_priv(ndev); | |
3329 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); | |
3330 | struct brcmf_pno_net_param_le pfn; | |
3331 | int i; | |
3332 | int ret = 0; | |
3333 | ||
3334 | brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n", | |
3335 | request->n_match_sets, request->n_ssids); | |
3336 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { | |
3337 | brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); | |
3338 | return -EAGAIN; | |
3339 | } | |
3340 | if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { | |
3341 | brcmf_err("Scanning suppressed: status (%lu)\n", | |
3342 | cfg->scan_status); | |
3343 | return -EAGAIN; | |
3344 | } | |
3345 | ||
3346 | if (!request->n_ssids || !request->n_match_sets) { | |
3347 | brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n", | |
3348 | request->n_ssids); | |
3349 | return -EINVAL; | |
3350 | } | |
3351 | ||
3352 | if (request->n_ssids > 0) { | |
3353 | for (i = 0; i < request->n_ssids; i++) { | |
3354 | /* Active scan req for ssids */ | |
3355 | brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n", | |
3356 | request->ssids[i].ssid); | |
3357 | ||
3358 | /* match_set ssids is a supert set of n_ssid list, | |
3359 | * so we need not add these set separately. | |
3360 | */ | |
3361 | } | |
3362 | } | |
3363 | ||
3364 | if (request->n_match_sets > 0) { | |
3365 | /* clean up everything */ | |
3366 | ret = brcmf_dev_pno_clean(ndev); | |
3367 | if (ret < 0) { | |
3368 | brcmf_err("failed error=%d\n", ret); | |
3369 | return ret; | |
3370 | } | |
3371 | ||
3372 | /* configure pno */ | |
3373 | if (brcmf_dev_pno_config(ifp, request)) | |
3374 | return -EINVAL; | |
3375 | ||
3376 | /* configure each match set */ | |
3377 | for (i = 0; i < request->n_match_sets; i++) { | |
3378 | struct cfg80211_ssid *ssid; | |
3379 | u32 ssid_len; | |
3380 | ||
3381 | ssid = &request->match_sets[i].ssid; | |
3382 | ssid_len = ssid->ssid_len; | |
3383 | ||
3384 | if (!ssid_len) { | |
3385 | brcmf_err("skip broadcast ssid\n"); | |
3386 | continue; | |
3387 | } | |
3388 | pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN); | |
3389 | pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY); | |
3390 | pfn.wsec = cpu_to_le32(0); | |
3391 | pfn.infra = cpu_to_le32(1); | |
3392 | pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT); | |
3393 | pfn.ssid.SSID_len = cpu_to_le32(ssid_len); | |
3394 | memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len); | |
3395 | ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn, | |
3396 | sizeof(pfn)); | |
3397 | brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n", | |
3398 | ret == 0 ? "set" : "failed", ssid->ssid); | |
3399 | } | |
3400 | /* Enable the PNO */ | |
3401 | if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) { | |
3402 | brcmf_err("PNO enable failed!! ret=%d\n", ret); | |
3403 | return -EINVAL; | |
3404 | } | |
3405 | } else { | |
3406 | return -EINVAL; | |
3407 | } | |
3408 | ||
3409 | return 0; | |
3410 | } | |
3411 | ||
3412 | static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy, | |
3413 | struct net_device *ndev) | |
3414 | { | |
3415 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
3416 | ||
3417 | brcmf_dbg(SCAN, "enter\n"); | |
3418 | brcmf_dev_pno_clean(ndev); | |
3419 | if (cfg->sched_escan) | |
3420 | brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true); | |
3421 | return 0; | |
3422 | } | |
3423 | ||
3424 | static __always_inline void brcmf_delay(u32 ms) | |
3425 | { | |
3426 | if (ms < 1000 / HZ) { | |
3427 | cond_resched(); | |
3428 | mdelay(ms); | |
3429 | } else { | |
3430 | msleep(ms); | |
3431 | } | |
3432 | } | |
3433 | ||
3434 | static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4], | |
3435 | u8 *pattern, u32 patternsize, u8 *mask, | |
3436 | u32 packet_offset) | |
3437 | { | |
3438 | struct brcmf_fil_wowl_pattern_le *filter; | |
3439 | u32 masksize; | |
3440 | u32 patternoffset; | |
3441 | u8 *buf; | |
3442 | u32 bufsize; | |
3443 | s32 ret; | |
3444 | ||
3445 | masksize = (patternsize + 7) / 8; | |
3446 | patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize; | |
3447 | ||
3448 | bufsize = sizeof(*filter) + patternsize + masksize; | |
3449 | buf = kzalloc(bufsize, GFP_KERNEL); | |
3450 | if (!buf) | |
3451 | return -ENOMEM; | |
3452 | filter = (struct brcmf_fil_wowl_pattern_le *)buf; | |
3453 | ||
3454 | memcpy(filter->cmd, cmd, 4); | |
3455 | filter->masksize = cpu_to_le32(masksize); | |
3456 | filter->offset = cpu_to_le32(packet_offset); | |
3457 | filter->patternoffset = cpu_to_le32(patternoffset); | |
3458 | filter->patternsize = cpu_to_le32(patternsize); | |
3459 | filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP); | |
3460 | ||
3461 | if ((mask) && (masksize)) | |
3462 | memcpy(buf + sizeof(*filter), mask, masksize); | |
3463 | if ((pattern) && (patternsize)) | |
3464 | memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize); | |
3465 | ||
3466 | ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize); | |
3467 | ||
3468 | kfree(buf); | |
3469 | return ret; | |
3470 | } | |
3471 | ||
3472 | static s32 | |
3473 | brcmf_wowl_nd_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e, | |
3474 | void *data) | |
3475 | { | |
3476 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
3477 | struct brcmf_pno_scanresults_le *pfn_result; | |
3478 | struct brcmf_pno_net_info_le *netinfo; | |
3479 | ||
3480 | brcmf_dbg(SCAN, "Enter\n"); | |
3481 | ||
3482 | if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) { | |
3483 | brcmf_dbg(SCAN, "Event data to small. Ignore\n"); | |
3484 | return 0; | |
3485 | } | |
3486 | ||
3487 | pfn_result = (struct brcmf_pno_scanresults_le *)data; | |
3488 | ||
3489 | if (e->event_code == BRCMF_E_PFN_NET_LOST) { | |
3490 | brcmf_dbg(SCAN, "PFN NET LOST event. Ignore\n"); | |
3491 | return 0; | |
3492 | } | |
3493 | ||
3494 | if (le32_to_cpu(pfn_result->count) < 1) { | |
3495 | brcmf_err("Invalid result count, expected 1 (%d)\n", | |
3496 | le32_to_cpu(pfn_result->count)); | |
3497 | return -EINVAL; | |
3498 | } | |
3499 | ||
3500 | data += sizeof(struct brcmf_pno_scanresults_le); | |
3501 | netinfo = (struct brcmf_pno_net_info_le *)data; | |
3502 | memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len); | |
3503 | cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len; | |
3504 | cfg->wowl.nd->n_channels = 1; | |
3505 | cfg->wowl.nd->channels[0] = | |
3506 | ieee80211_channel_to_frequency(netinfo->channel, | |
3507 | netinfo->channel <= CH_MAX_2G_CHANNEL ? | |
3508 | NL80211_BAND_2GHZ : NL80211_BAND_5GHZ); | |
3509 | cfg->wowl.nd_info->n_matches = 1; | |
3510 | cfg->wowl.nd_info->matches[0] = cfg->wowl.nd; | |
3511 | ||
3512 | /* Inform (the resume task) that the net detect information was recvd */ | |
3513 | cfg->wowl.nd_data_completed = true; | |
3514 | wake_up(&cfg->wowl.nd_data_wait); | |
3515 | ||
3516 | return 0; | |
3517 | } | |
3518 | ||
3519 | #ifdef CONFIG_PM | |
3520 | ||
3521 | static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp) | |
3522 | { | |
3523 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
3524 | struct brcmf_wowl_wakeind_le wake_ind_le; | |
3525 | struct cfg80211_wowlan_wakeup wakeup_data; | |
3526 | struct cfg80211_wowlan_wakeup *wakeup; | |
3527 | u32 wakeind; | |
3528 | s32 err; | |
3529 | int timeout; | |
3530 | ||
3531 | err = brcmf_fil_iovar_data_get(ifp, "wowl_wakeind", &wake_ind_le, | |
3532 | sizeof(wake_ind_le)); | |
3533 | if (err) { | |
3534 | brcmf_err("Get wowl_wakeind failed, err = %d\n", err); | |
3535 | return; | |
3536 | } | |
3537 | ||
3538 | wakeind = le32_to_cpu(wake_ind_le.ucode_wakeind); | |
3539 | if (wakeind & (BRCMF_WOWL_MAGIC | BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | | |
3540 | BRCMF_WOWL_RETR | BRCMF_WOWL_NET | | |
3541 | BRCMF_WOWL_PFN_FOUND)) { | |
3542 | wakeup = &wakeup_data; | |
3543 | memset(&wakeup_data, 0, sizeof(wakeup_data)); | |
3544 | wakeup_data.pattern_idx = -1; | |
3545 | ||
3546 | if (wakeind & BRCMF_WOWL_MAGIC) { | |
3547 | brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_MAGIC\n"); | |
3548 | wakeup_data.magic_pkt = true; | |
3549 | } | |
3550 | if (wakeind & BRCMF_WOWL_DIS) { | |
3551 | brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_DIS\n"); | |
3552 | wakeup_data.disconnect = true; | |
3553 | } | |
3554 | if (wakeind & BRCMF_WOWL_BCN) { | |
3555 | brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_BCN\n"); | |
3556 | wakeup_data.disconnect = true; | |
3557 | } | |
3558 | if (wakeind & BRCMF_WOWL_RETR) { | |
3559 | brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_RETR\n"); | |
3560 | wakeup_data.disconnect = true; | |
3561 | } | |
3562 | if (wakeind & BRCMF_WOWL_NET) { | |
3563 | brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_NET\n"); | |
3564 | /* For now always map to pattern 0, no API to get | |
3565 | * correct information available at the moment. | |
3566 | */ | |
3567 | wakeup_data.pattern_idx = 0; | |
3568 | } | |
3569 | if (wakeind & BRCMF_WOWL_PFN_FOUND) { | |
3570 | brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_PFN_FOUND\n"); | |
3571 | timeout = wait_event_timeout(cfg->wowl.nd_data_wait, | |
3572 | cfg->wowl.nd_data_completed, | |
3573 | BRCMF_ND_INFO_TIMEOUT); | |
3574 | if (!timeout) | |
3575 | brcmf_err("No result for wowl net detect\n"); | |
3576 | else | |
3577 | wakeup_data.net_detect = cfg->wowl.nd_info; | |
3578 | } | |
3579 | if (wakeind & BRCMF_WOWL_GTK_FAILURE) { | |
3580 | brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_GTK_FAILURE\n"); | |
3581 | wakeup_data.gtk_rekey_failure = true; | |
3582 | } | |
3583 | } else { | |
3584 | wakeup = NULL; | |
3585 | } | |
3586 | cfg80211_report_wowlan_wakeup(&ifp->vif->wdev, wakeup, GFP_KERNEL); | |
3587 | } | |
3588 | ||
3589 | #else | |
3590 | ||
3591 | static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp) | |
3592 | { | |
3593 | } | |
3594 | ||
3595 | #endif /* CONFIG_PM */ | |
3596 | ||
3597 | static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) | |
3598 | { | |
3599 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
3600 | struct net_device *ndev = cfg_to_ndev(cfg); | |
3601 | struct brcmf_if *ifp = netdev_priv(ndev); | |
3602 | ||
3603 | brcmf_dbg(TRACE, "Enter\n"); | |
3604 | ||
3605 | if (cfg->wowl.active) { | |
3606 | brcmf_report_wowl_wakeind(wiphy, ifp); | |
3607 | brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0); | |
3608 | brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0); | |
3609 | if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND)) | |
3610 | brcmf_configure_arp_nd_offload(ifp, true); | |
3611 | brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, | |
3612 | cfg->wowl.pre_pmmode); | |
3613 | cfg->wowl.active = false; | |
3614 | if (cfg->wowl.nd_enabled) { | |
3615 | brcmf_cfg80211_sched_scan_stop(cfg->wiphy, ifp->ndev); | |
3616 | brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND); | |
3617 | brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, | |
3618 | brcmf_notify_sched_scan_results); | |
3619 | cfg->wowl.nd_enabled = false; | |
3620 | } | |
3621 | } | |
3622 | return 0; | |
3623 | } | |
3624 | ||
3625 | static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg, | |
3626 | struct brcmf_if *ifp, | |
3627 | struct cfg80211_wowlan *wowl) | |
3628 | { | |
3629 | u32 wowl_config; | |
3630 | u32 i; | |
3631 | ||
3632 | brcmf_dbg(TRACE, "Suspend, wowl config.\n"); | |
3633 | ||
3634 | if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND)) | |
3635 | brcmf_configure_arp_nd_offload(ifp, false); | |
3636 | brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->wowl.pre_pmmode); | |
3637 | brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX); | |
3638 | ||
3639 | wowl_config = 0; | |
3640 | if (wowl->disconnect) | |
3641 | wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR; | |
3642 | if (wowl->magic_pkt) | |
3643 | wowl_config |= BRCMF_WOWL_MAGIC; | |
3644 | if ((wowl->patterns) && (wowl->n_patterns)) { | |
3645 | wowl_config |= BRCMF_WOWL_NET; | |
3646 | for (i = 0; i < wowl->n_patterns; i++) { | |
3647 | brcmf_config_wowl_pattern(ifp, "add", | |
3648 | (u8 *)wowl->patterns[i].pattern, | |
3649 | wowl->patterns[i].pattern_len, | |
3650 | (u8 *)wowl->patterns[i].mask, | |
3651 | wowl->patterns[i].pkt_offset); | |
3652 | } | |
3653 | } | |
3654 | if (wowl->nd_config) { | |
3655 | brcmf_cfg80211_sched_scan_start(cfg->wiphy, ifp->ndev, | |
3656 | wowl->nd_config); | |
3657 | wowl_config |= BRCMF_WOWL_PFN_FOUND; | |
3658 | ||
3659 | cfg->wowl.nd_data_completed = false; | |
3660 | cfg->wowl.nd_enabled = true; | |
3661 | /* Now reroute the event for PFN to the wowl function. */ | |
3662 | brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND); | |
3663 | brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, | |
3664 | brcmf_wowl_nd_results); | |
3665 | } | |
3666 | if (wowl->gtk_rekey_failure) | |
3667 | wowl_config |= BRCMF_WOWL_GTK_FAILURE; | |
3668 | if (!test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state)) | |
3669 | wowl_config |= BRCMF_WOWL_UNASSOC; | |
3670 | ||
3671 | brcmf_fil_iovar_data_set(ifp, "wowl_wakeind", "clear", | |
3672 | sizeof(struct brcmf_wowl_wakeind_le)); | |
3673 | brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config); | |
3674 | brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1); | |
3675 | brcmf_bus_wowl_config(cfg->pub->bus_if, true); | |
3676 | cfg->wowl.active = true; | |
3677 | } | |
3678 | ||
3679 | static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, | |
3680 | struct cfg80211_wowlan *wowl) | |
3681 | { | |
3682 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
3683 | struct net_device *ndev = cfg_to_ndev(cfg); | |
3684 | struct brcmf_if *ifp = netdev_priv(ndev); | |
3685 | struct brcmf_cfg80211_vif *vif; | |
3686 | ||
3687 | brcmf_dbg(TRACE, "Enter\n"); | |
3688 | ||
3689 | /* if the primary net_device is not READY there is nothing | |
3690 | * we can do but pray resume goes smoothly. | |
3691 | */ | |
3692 | if (!check_vif_up(ifp->vif)) | |
3693 | goto exit; | |
3694 | ||
3695 | /* Stop scheduled scan */ | |
3696 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) | |
3697 | brcmf_cfg80211_sched_scan_stop(wiphy, ndev); | |
3698 | ||
3699 | /* end any scanning */ | |
3700 | if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) | |
3701 | brcmf_abort_scanning(cfg); | |
3702 | ||
3703 | if (wowl == NULL) { | |
3704 | brcmf_bus_wowl_config(cfg->pub->bus_if, false); | |
3705 | list_for_each_entry(vif, &cfg->vif_list, list) { | |
3706 | if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) | |
3707 | continue; | |
3708 | /* While going to suspend if associated with AP | |
3709 | * disassociate from AP to save power while system is | |
3710 | * in suspended state | |
3711 | */ | |
3712 | brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED); | |
3713 | /* Make sure WPA_Supplicant receives all the event | |
3714 | * generated due to DISASSOC call to the fw to keep | |
3715 | * the state fw and WPA_Supplicant state consistent | |
3716 | */ | |
3717 | brcmf_delay(500); | |
3718 | } | |
3719 | /* Configure MPC */ | |
3720 | brcmf_set_mpc(ifp, 1); | |
3721 | ||
3722 | } else { | |
3723 | /* Configure WOWL paramaters */ | |
3724 | brcmf_configure_wowl(cfg, ifp, wowl); | |
3725 | } | |
3726 | ||
3727 | exit: | |
3728 | brcmf_dbg(TRACE, "Exit\n"); | |
3729 | /* clear any scanning activity */ | |
3730 | cfg->scan_status = 0; | |
3731 | return 0; | |
3732 | } | |
3733 | ||
3734 | static __used s32 | |
3735 | brcmf_update_pmklist(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp) | |
3736 | { | |
3737 | struct brcmf_pmk_list_le *pmk_list; | |
3738 | int i; | |
3739 | u32 npmk; | |
3740 | s32 err; | |
3741 | ||
3742 | pmk_list = &cfg->pmk_list; | |
3743 | npmk = le32_to_cpu(pmk_list->npmk); | |
3744 | ||
3745 | brcmf_dbg(CONN, "No of elements %d\n", npmk); | |
3746 | for (i = 0; i < npmk; i++) | |
3747 | brcmf_dbg(CONN, "PMK[%d]: %pM\n", i, &pmk_list->pmk[i].bssid); | |
3748 | ||
3749 | err = brcmf_fil_iovar_data_set(ifp, "pmkid_info", pmk_list, | |
3750 | sizeof(*pmk_list)); | |
3751 | ||
3752 | return err; | |
3753 | } | |
3754 | ||
3755 | static s32 | |
3756 | brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, | |
3757 | struct cfg80211_pmksa *pmksa) | |
3758 | { | |
3759 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
3760 | struct brcmf_if *ifp = netdev_priv(ndev); | |
3761 | struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0]; | |
3762 | s32 err; | |
3763 | u32 npmk, i; | |
3764 | ||
3765 | brcmf_dbg(TRACE, "Enter\n"); | |
3766 | if (!check_vif_up(ifp->vif)) | |
3767 | return -EIO; | |
3768 | ||
3769 | npmk = le32_to_cpu(cfg->pmk_list.npmk); | |
3770 | for (i = 0; i < npmk; i++) | |
3771 | if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN)) | |
3772 | break; | |
3773 | if (i < BRCMF_MAXPMKID) { | |
3774 | memcpy(pmk[i].bssid, pmksa->bssid, ETH_ALEN); | |
3775 | memcpy(pmk[i].pmkid, pmksa->pmkid, WLAN_PMKID_LEN); | |
3776 | if (i == npmk) { | |
3777 | npmk++; | |
3778 | cfg->pmk_list.npmk = cpu_to_le32(npmk); | |
3779 | } | |
3780 | } else { | |
3781 | brcmf_err("Too many PMKSA entries cached %d\n", npmk); | |
3782 | return -EINVAL; | |
3783 | } | |
3784 | ||
3785 | brcmf_dbg(CONN, "set_pmksa - PMK bssid: %pM =\n", pmk[npmk].bssid); | |
3786 | for (i = 0; i < WLAN_PMKID_LEN; i += 4) | |
3787 | brcmf_dbg(CONN, "%02x %02x %02x %02x\n", pmk[npmk].pmkid[i], | |
3788 | pmk[npmk].pmkid[i + 1], pmk[npmk].pmkid[i + 2], | |
3789 | pmk[npmk].pmkid[i + 3]); | |
3790 | ||
3791 | err = brcmf_update_pmklist(cfg, ifp); | |
3792 | ||
3793 | brcmf_dbg(TRACE, "Exit\n"); | |
3794 | return err; | |
3795 | } | |
3796 | ||
3797 | static s32 | |
3798 | brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, | |
3799 | struct cfg80211_pmksa *pmksa) | |
3800 | { | |
3801 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
3802 | struct brcmf_if *ifp = netdev_priv(ndev); | |
3803 | struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0]; | |
3804 | s32 err; | |
3805 | u32 npmk, i; | |
3806 | ||
3807 | brcmf_dbg(TRACE, "Enter\n"); | |
3808 | if (!check_vif_up(ifp->vif)) | |
3809 | return -EIO; | |
3810 | ||
3811 | brcmf_dbg(CONN, "del_pmksa - PMK bssid = %pM\n", &pmksa->bssid); | |
3812 | ||
3813 | npmk = le32_to_cpu(cfg->pmk_list.npmk); | |
3814 | for (i = 0; i < npmk; i++) | |
3815 | if (!memcmp(&pmksa->bssid, &pmk[i].bssid, ETH_ALEN)) | |
3816 | break; | |
3817 | ||
3818 | if ((npmk > 0) && (i < npmk)) { | |
3819 | for (; i < (npmk - 1); i++) { | |
3820 | memcpy(&pmk[i].bssid, &pmk[i + 1].bssid, ETH_ALEN); | |
3821 | memcpy(&pmk[i].pmkid, &pmk[i + 1].pmkid, | |
3822 | WLAN_PMKID_LEN); | |
3823 | } | |
3824 | memset(&pmk[i], 0, sizeof(*pmk)); | |
3825 | cfg->pmk_list.npmk = cpu_to_le32(npmk - 1); | |
3826 | } else { | |
3827 | brcmf_err("Cache entry not found\n"); | |
3828 | return -EINVAL; | |
3829 | } | |
3830 | ||
3831 | err = brcmf_update_pmklist(cfg, ifp); | |
3832 | ||
3833 | brcmf_dbg(TRACE, "Exit\n"); | |
3834 | return err; | |
3835 | ||
3836 | } | |
3837 | ||
3838 | static s32 | |
3839 | brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) | |
3840 | { | |
3841 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
3842 | struct brcmf_if *ifp = netdev_priv(ndev); | |
3843 | s32 err; | |
3844 | ||
3845 | brcmf_dbg(TRACE, "Enter\n"); | |
3846 | if (!check_vif_up(ifp->vif)) | |
3847 | return -EIO; | |
3848 | ||
3849 | memset(&cfg->pmk_list, 0, sizeof(cfg->pmk_list)); | |
3850 | err = brcmf_update_pmklist(cfg, ifp); | |
3851 | ||
3852 | brcmf_dbg(TRACE, "Exit\n"); | |
3853 | return err; | |
3854 | ||
3855 | } | |
3856 | ||
3857 | static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp) | |
3858 | { | |
3859 | s32 err; | |
3860 | ||
3861 | /* set auth */ | |
3862 | err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0); | |
3863 | if (err < 0) { | |
3864 | brcmf_err("auth error %d\n", err); | |
3865 | return err; | |
3866 | } | |
3867 | /* set wsec */ | |
3868 | err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0); | |
3869 | if (err < 0) { | |
3870 | brcmf_err("wsec error %d\n", err); | |
3871 | return err; | |
3872 | } | |
3873 | /* set upper-layer auth */ | |
3874 | err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE); | |
3875 | if (err < 0) { | |
3876 | brcmf_err("wpa_auth error %d\n", err); | |
3877 | return err; | |
3878 | } | |
3879 | ||
3880 | return 0; | |
3881 | } | |
3882 | ||
3883 | static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie) | |
3884 | { | |
3885 | if (is_rsn_ie) | |
3886 | return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0); | |
3887 | ||
3888 | return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0); | |
3889 | } | |
3890 | ||
3891 | static s32 | |
3892 | brcmf_configure_wpaie(struct brcmf_if *ifp, | |
3893 | const struct brcmf_vs_tlv *wpa_ie, | |
3894 | bool is_rsn_ie) | |
3895 | { | |
3896 | u32 auth = 0; /* d11 open authentication */ | |
3897 | u16 count; | |
3898 | s32 err = 0; | |
3899 | s32 len; | |
3900 | u32 i; | |
3901 | u32 wsec; | |
3902 | u32 pval = 0; | |
3903 | u32 gval = 0; | |
3904 | u32 wpa_auth = 0; | |
3905 | u32 offset; | |
3906 | u8 *data; | |
3907 | u16 rsn_cap; | |
3908 | u32 wme_bss_disable; | |
3909 | u32 mfp; | |
3910 | ||
3911 | brcmf_dbg(TRACE, "Enter\n"); | |
3912 | if (wpa_ie == NULL) | |
3913 | goto exit; | |
3914 | ||
3915 | len = wpa_ie->len + TLV_HDR_LEN; | |
3916 | data = (u8 *)wpa_ie; | |
3917 | offset = TLV_HDR_LEN; | |
3918 | if (!is_rsn_ie) | |
3919 | offset += VS_IE_FIXED_HDR_LEN; | |
3920 | else | |
3921 | offset += WPA_IE_VERSION_LEN; | |
3922 | ||
3923 | /* check for multicast cipher suite */ | |
3924 | if (offset + WPA_IE_MIN_OUI_LEN > len) { | |
3925 | err = -EINVAL; | |
3926 | brcmf_err("no multicast cipher suite\n"); | |
3927 | goto exit; | |
3928 | } | |
3929 | ||
3930 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { | |
3931 | err = -EINVAL; | |
3932 | brcmf_err("ivalid OUI\n"); | |
3933 | goto exit; | |
3934 | } | |
3935 | offset += TLV_OUI_LEN; | |
3936 | ||
3937 | /* pick up multicast cipher */ | |
3938 | switch (data[offset]) { | |
3939 | case WPA_CIPHER_NONE: | |
3940 | gval = 0; | |
3941 | break; | |
3942 | case WPA_CIPHER_WEP_40: | |
3943 | case WPA_CIPHER_WEP_104: | |
3944 | gval = WEP_ENABLED; | |
3945 | break; | |
3946 | case WPA_CIPHER_TKIP: | |
3947 | gval = TKIP_ENABLED; | |
3948 | break; | |
3949 | case WPA_CIPHER_AES_CCM: | |
3950 | gval = AES_ENABLED; | |
3951 | break; | |
3952 | default: | |
3953 | err = -EINVAL; | |
3954 | brcmf_err("Invalid multi cast cipher info\n"); | |
3955 | goto exit; | |
3956 | } | |
3957 | ||
3958 | offset++; | |
3959 | /* walk thru unicast cipher list and pick up what we recognize */ | |
3960 | count = data[offset] + (data[offset + 1] << 8); | |
3961 | offset += WPA_IE_SUITE_COUNT_LEN; | |
3962 | /* Check for unicast suite(s) */ | |
3963 | if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { | |
3964 | err = -EINVAL; | |
3965 | brcmf_err("no unicast cipher suite\n"); | |
3966 | goto exit; | |
3967 | } | |
3968 | for (i = 0; i < count; i++) { | |
3969 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { | |
3970 | err = -EINVAL; | |
3971 | brcmf_err("ivalid OUI\n"); | |
3972 | goto exit; | |
3973 | } | |
3974 | offset += TLV_OUI_LEN; | |
3975 | switch (data[offset]) { | |
3976 | case WPA_CIPHER_NONE: | |
3977 | break; | |
3978 | case WPA_CIPHER_WEP_40: | |
3979 | case WPA_CIPHER_WEP_104: | |
3980 | pval |= WEP_ENABLED; | |
3981 | break; | |
3982 | case WPA_CIPHER_TKIP: | |
3983 | pval |= TKIP_ENABLED; | |
3984 | break; | |
3985 | case WPA_CIPHER_AES_CCM: | |
3986 | pval |= AES_ENABLED; | |
3987 | break; | |
3988 | default: | |
3989 | brcmf_err("Ivalid unicast security info\n"); | |
3990 | } | |
3991 | offset++; | |
3992 | } | |
3993 | /* walk thru auth management suite list and pick up what we recognize */ | |
3994 | count = data[offset] + (data[offset + 1] << 8); | |
3995 | offset += WPA_IE_SUITE_COUNT_LEN; | |
3996 | /* Check for auth key management suite(s) */ | |
3997 | if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { | |
3998 | err = -EINVAL; | |
3999 | brcmf_err("no auth key mgmt suite\n"); | |
4000 | goto exit; | |
4001 | } | |
4002 | for (i = 0; i < count; i++) { | |
4003 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { | |
4004 | err = -EINVAL; | |
4005 | brcmf_err("ivalid OUI\n"); | |
4006 | goto exit; | |
4007 | } | |
4008 | offset += TLV_OUI_LEN; | |
4009 | switch (data[offset]) { | |
4010 | case RSN_AKM_NONE: | |
4011 | brcmf_dbg(TRACE, "RSN_AKM_NONE\n"); | |
4012 | wpa_auth |= WPA_AUTH_NONE; | |
4013 | break; | |
4014 | case RSN_AKM_UNSPECIFIED: | |
4015 | brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n"); | |
4016 | is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) : | |
4017 | (wpa_auth |= WPA_AUTH_UNSPECIFIED); | |
4018 | break; | |
4019 | case RSN_AKM_PSK: | |
4020 | brcmf_dbg(TRACE, "RSN_AKM_PSK\n"); | |
4021 | is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) : | |
4022 | (wpa_auth |= WPA_AUTH_PSK); | |
4023 | break; | |
4024 | case RSN_AKM_SHA256_PSK: | |
4025 | brcmf_dbg(TRACE, "RSN_AKM_MFP_PSK\n"); | |
4026 | wpa_auth |= WPA2_AUTH_PSK_SHA256; | |
4027 | break; | |
4028 | case RSN_AKM_SHA256_1X: | |
4029 | brcmf_dbg(TRACE, "RSN_AKM_MFP_1X\n"); | |
4030 | wpa_auth |= WPA2_AUTH_1X_SHA256; | |
4031 | break; | |
4032 | default: | |
4033 | brcmf_err("Ivalid key mgmt info\n"); | |
4034 | } | |
4035 | offset++; | |
4036 | } | |
4037 | ||
4038 | mfp = BRCMF_MFP_NONE; | |
4039 | if (is_rsn_ie) { | |
4040 | wme_bss_disable = 1; | |
4041 | if ((offset + RSN_CAP_LEN) <= len) { | |
4042 | rsn_cap = data[offset] + (data[offset + 1] << 8); | |
4043 | if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK) | |
4044 | wme_bss_disable = 0; | |
4045 | if (rsn_cap & RSN_CAP_MFPR_MASK) { | |
4046 | brcmf_dbg(TRACE, "MFP Required\n"); | |
4047 | mfp = BRCMF_MFP_REQUIRED; | |
4048 | /* Firmware only supports mfp required in | |
4049 | * combination with WPA2_AUTH_PSK_SHA256 or | |
4050 | * WPA2_AUTH_1X_SHA256. | |
4051 | */ | |
4052 | if (!(wpa_auth & (WPA2_AUTH_PSK_SHA256 | | |
4053 | WPA2_AUTH_1X_SHA256))) { | |
4054 | err = -EINVAL; | |
4055 | goto exit; | |
4056 | } | |
4057 | /* Firmware has requirement that WPA2_AUTH_PSK/ | |
4058 | * WPA2_AUTH_UNSPECIFIED be set, if SHA256 OUI | |
4059 | * is to be included in the rsn ie. | |
4060 | */ | |
4061 | if (wpa_auth & WPA2_AUTH_PSK_SHA256) | |
4062 | wpa_auth |= WPA2_AUTH_PSK; | |
4063 | else if (wpa_auth & WPA2_AUTH_1X_SHA256) | |
4064 | wpa_auth |= WPA2_AUTH_UNSPECIFIED; | |
4065 | } else if (rsn_cap & RSN_CAP_MFPC_MASK) { | |
4066 | brcmf_dbg(TRACE, "MFP Capable\n"); | |
4067 | mfp = BRCMF_MFP_CAPABLE; | |
4068 | } | |
4069 | } | |
4070 | offset += RSN_CAP_LEN; | |
4071 | /* set wme_bss_disable to sync RSN Capabilities */ | |
4072 | err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable", | |
4073 | wme_bss_disable); | |
4074 | if (err < 0) { | |
4075 | brcmf_err("wme_bss_disable error %d\n", err); | |
4076 | goto exit; | |
4077 | } | |
4078 | ||
4079 | /* Skip PMKID cnt as it is know to be 0 for AP. */ | |
4080 | offset += RSN_PMKID_COUNT_LEN; | |
4081 | ||
4082 | /* See if there is BIP wpa suite left for MFP */ | |
4083 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP) && | |
4084 | ((offset + WPA_IE_MIN_OUI_LEN) <= len)) { | |
4085 | err = brcmf_fil_bsscfg_data_set(ifp, "bip", | |
4086 | &data[offset], | |
4087 | WPA_IE_MIN_OUI_LEN); | |
4088 | if (err < 0) { | |
4089 | brcmf_err("bip error %d\n", err); | |
4090 | goto exit; | |
4091 | } | |
4092 | } | |
4093 | } | |
4094 | /* FOR WPS , set SES_OW_ENABLED */ | |
4095 | wsec = (pval | gval | SES_OW_ENABLED); | |
4096 | ||
4097 | /* set auth */ | |
4098 | err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth); | |
4099 | if (err < 0) { | |
4100 | brcmf_err("auth error %d\n", err); | |
4101 | goto exit; | |
4102 | } | |
4103 | /* set wsec */ | |
4104 | err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); | |
4105 | if (err < 0) { | |
4106 | brcmf_err("wsec error %d\n", err); | |
4107 | goto exit; | |
4108 | } | |
4109 | /* Configure MFP, this needs to go after wsec otherwise the wsec command | |
4110 | * will overwrite the values set by MFP | |
4111 | */ | |
4112 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) { | |
4113 | err = brcmf_fil_bsscfg_int_set(ifp, "mfp", mfp); | |
4114 | if (err < 0) { | |
4115 | brcmf_err("mfp error %d\n", err); | |
4116 | goto exit; | |
4117 | } | |
4118 | } | |
4119 | /* set upper-layer auth */ | |
4120 | err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth); | |
4121 | if (err < 0) { | |
4122 | brcmf_err("wpa_auth error %d\n", err); | |
4123 | goto exit; | |
4124 | } | |
4125 | ||
4126 | exit: | |
4127 | return err; | |
4128 | } | |
4129 | ||
4130 | static s32 | |
4131 | brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len, | |
4132 | struct parsed_vndr_ies *vndr_ies) | |
4133 | { | |
4134 | struct brcmf_vs_tlv *vndrie; | |
4135 | struct brcmf_tlv *ie; | |
4136 | struct parsed_vndr_ie_info *parsed_info; | |
4137 | s32 remaining_len; | |
4138 | ||
4139 | remaining_len = (s32)vndr_ie_len; | |
4140 | memset(vndr_ies, 0, sizeof(*vndr_ies)); | |
4141 | ||
4142 | ie = (struct brcmf_tlv *)vndr_ie_buf; | |
4143 | while (ie) { | |
4144 | if (ie->id != WLAN_EID_VENDOR_SPECIFIC) | |
4145 | goto next; | |
4146 | vndrie = (struct brcmf_vs_tlv *)ie; | |
4147 | /* len should be bigger than OUI length + one */ | |
4148 | if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) { | |
4149 | brcmf_err("invalid vndr ie. length is too small %d\n", | |
4150 | vndrie->len); | |
4151 | goto next; | |
4152 | } | |
4153 | /* if wpa or wme ie, do not add ie */ | |
4154 | if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) && | |
4155 | ((vndrie->oui_type == WPA_OUI_TYPE) || | |
4156 | (vndrie->oui_type == WME_OUI_TYPE))) { | |
4157 | brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n"); | |
4158 | goto next; | |
4159 | } | |
4160 | ||
4161 | parsed_info = &vndr_ies->ie_info[vndr_ies->count]; | |
4162 | ||
4163 | /* save vndr ie information */ | |
4164 | parsed_info->ie_ptr = (char *)vndrie; | |
4165 | parsed_info->ie_len = vndrie->len + TLV_HDR_LEN; | |
4166 | memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie)); | |
4167 | ||
4168 | vndr_ies->count++; | |
4169 | ||
4170 | brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n", | |
4171 | parsed_info->vndrie.oui[0], | |
4172 | parsed_info->vndrie.oui[1], | |
4173 | parsed_info->vndrie.oui[2], | |
4174 | parsed_info->vndrie.oui_type); | |
4175 | ||
4176 | if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT) | |
4177 | break; | |
4178 | next: | |
4179 | remaining_len -= (ie->len + TLV_HDR_LEN); | |
4180 | if (remaining_len <= TLV_HDR_LEN) | |
4181 | ie = NULL; | |
4182 | else | |
4183 | ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len + | |
4184 | TLV_HDR_LEN); | |
4185 | } | |
4186 | return 0; | |
4187 | } | |
4188 | ||
4189 | static u32 | |
4190 | brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) | |
4191 | { | |
4192 | ||
4193 | strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1); | |
4194 | iebuf[VNDR_IE_CMD_LEN - 1] = '\0'; | |
4195 | ||
4196 | put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]); | |
4197 | ||
4198 | put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]); | |
4199 | ||
4200 | memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len); | |
4201 | ||
4202 | return ie_len + VNDR_IE_HDR_SIZE; | |
4203 | } | |
4204 | ||
4205 | s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, | |
4206 | const u8 *vndr_ie_buf, u32 vndr_ie_len) | |
4207 | { | |
4208 | struct brcmf_if *ifp; | |
4209 | struct vif_saved_ie *saved_ie; | |
4210 | s32 err = 0; | |
4211 | u8 *iovar_ie_buf; | |
4212 | u8 *curr_ie_buf; | |
4213 | u8 *mgmt_ie_buf = NULL; | |
4214 | int mgmt_ie_buf_len; | |
4215 | u32 *mgmt_ie_len; | |
4216 | u32 del_add_ie_buf_len = 0; | |
4217 | u32 total_ie_buf_len = 0; | |
4218 | u32 parsed_ie_buf_len = 0; | |
4219 | struct parsed_vndr_ies old_vndr_ies; | |
4220 | struct parsed_vndr_ies new_vndr_ies; | |
4221 | struct parsed_vndr_ie_info *vndrie_info; | |
4222 | s32 i; | |
4223 | u8 *ptr; | |
4224 | int remained_buf_len; | |
4225 | ||
4226 | if (!vif) | |
4227 | return -ENODEV; | |
4228 | ifp = vif->ifp; | |
4229 | saved_ie = &vif->saved_ie; | |
4230 | ||
4231 | brcmf_dbg(TRACE, "bsscfgidx %d, pktflag : 0x%02X\n", ifp->bsscfgidx, | |
4232 | pktflag); | |
4233 | iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); | |
4234 | if (!iovar_ie_buf) | |
4235 | return -ENOMEM; | |
4236 | curr_ie_buf = iovar_ie_buf; | |
4237 | switch (pktflag) { | |
4238 | case BRCMF_VNDR_IE_PRBREQ_FLAG: | |
4239 | mgmt_ie_buf = saved_ie->probe_req_ie; | |
4240 | mgmt_ie_len = &saved_ie->probe_req_ie_len; | |
4241 | mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie); | |
4242 | break; | |
4243 | case BRCMF_VNDR_IE_PRBRSP_FLAG: | |
4244 | mgmt_ie_buf = saved_ie->probe_res_ie; | |
4245 | mgmt_ie_len = &saved_ie->probe_res_ie_len; | |
4246 | mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie); | |
4247 | break; | |
4248 | case BRCMF_VNDR_IE_BEACON_FLAG: | |
4249 | mgmt_ie_buf = saved_ie->beacon_ie; | |
4250 | mgmt_ie_len = &saved_ie->beacon_ie_len; | |
4251 | mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie); | |
4252 | break; | |
4253 | case BRCMF_VNDR_IE_ASSOCREQ_FLAG: | |
4254 | mgmt_ie_buf = saved_ie->assoc_req_ie; | |
4255 | mgmt_ie_len = &saved_ie->assoc_req_ie_len; | |
4256 | mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie); | |
4257 | break; | |
4258 | default: | |
4259 | err = -EPERM; | |
4260 | brcmf_err("not suitable type\n"); | |
4261 | goto exit; | |
4262 | } | |
4263 | ||
4264 | if (vndr_ie_len > mgmt_ie_buf_len) { | |
4265 | err = -ENOMEM; | |
4266 | brcmf_err("extra IE size too big\n"); | |
4267 | goto exit; | |
4268 | } | |
4269 | ||
4270 | /* parse and save new vndr_ie in curr_ie_buff before comparing it */ | |
4271 | if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) { | |
4272 | ptr = curr_ie_buf; | |
4273 | brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies); | |
4274 | for (i = 0; i < new_vndr_ies.count; i++) { | |
4275 | vndrie_info = &new_vndr_ies.ie_info[i]; | |
4276 | memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr, | |
4277 | vndrie_info->ie_len); | |
4278 | parsed_ie_buf_len += vndrie_info->ie_len; | |
4279 | } | |
4280 | } | |
4281 | ||
4282 | if (mgmt_ie_buf && *mgmt_ie_len) { | |
4283 | if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) && | |
4284 | (memcmp(mgmt_ie_buf, curr_ie_buf, | |
4285 | parsed_ie_buf_len) == 0)) { | |
4286 | brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n"); | |
4287 | goto exit; | |
4288 | } | |
4289 | ||
4290 | /* parse old vndr_ie */ | |
4291 | brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies); | |
4292 | ||
4293 | /* make a command to delete old ie */ | |
4294 | for (i = 0; i < old_vndr_ies.count; i++) { | |
4295 | vndrie_info = &old_vndr_ies.ie_info[i]; | |
4296 | ||
4297 | brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n", | |
4298 | vndrie_info->vndrie.id, | |
4299 | vndrie_info->vndrie.len, | |
4300 | vndrie_info->vndrie.oui[0], | |
4301 | vndrie_info->vndrie.oui[1], | |
4302 | vndrie_info->vndrie.oui[2]); | |
4303 | ||
4304 | del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, | |
4305 | vndrie_info->ie_ptr, | |
4306 | vndrie_info->ie_len, | |
4307 | "del"); | |
4308 | curr_ie_buf += del_add_ie_buf_len; | |
4309 | total_ie_buf_len += del_add_ie_buf_len; | |
4310 | } | |
4311 | } | |
4312 | ||
4313 | *mgmt_ie_len = 0; | |
4314 | /* Add if there is any extra IE */ | |
4315 | if (mgmt_ie_buf && parsed_ie_buf_len) { | |
4316 | ptr = mgmt_ie_buf; | |
4317 | ||
4318 | remained_buf_len = mgmt_ie_buf_len; | |
4319 | ||
4320 | /* make a command to add new ie */ | |
4321 | for (i = 0; i < new_vndr_ies.count; i++) { | |
4322 | vndrie_info = &new_vndr_ies.ie_info[i]; | |
4323 | ||
4324 | /* verify remained buf size before copy data */ | |
4325 | if (remained_buf_len < (vndrie_info->vndrie.len + | |
4326 | VNDR_IE_VSIE_OFFSET)) { | |
4327 | brcmf_err("no space in mgmt_ie_buf: len left %d", | |
4328 | remained_buf_len); | |
4329 | break; | |
4330 | } | |
4331 | remained_buf_len -= (vndrie_info->ie_len + | |
4332 | VNDR_IE_VSIE_OFFSET); | |
4333 | ||
4334 | brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n", | |
4335 | vndrie_info->vndrie.id, | |
4336 | vndrie_info->vndrie.len, | |
4337 | vndrie_info->vndrie.oui[0], | |
4338 | vndrie_info->vndrie.oui[1], | |
4339 | vndrie_info->vndrie.oui[2]); | |
4340 | ||
4341 | del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, | |
4342 | vndrie_info->ie_ptr, | |
4343 | vndrie_info->ie_len, | |
4344 | "add"); | |
4345 | ||
4346 | /* save the parsed IE in wl struct */ | |
4347 | memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr, | |
4348 | vndrie_info->ie_len); | |
4349 | *mgmt_ie_len += vndrie_info->ie_len; | |
4350 | ||
4351 | curr_ie_buf += del_add_ie_buf_len; | |
4352 | total_ie_buf_len += del_add_ie_buf_len; | |
4353 | } | |
4354 | } | |
4355 | if (total_ie_buf_len) { | |
4356 | err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf, | |
4357 | total_ie_buf_len); | |
4358 | if (err) | |
4359 | brcmf_err("vndr ie set error : %d\n", err); | |
4360 | } | |
4361 | ||
4362 | exit: | |
4363 | kfree(iovar_ie_buf); | |
4364 | return err; | |
4365 | } | |
4366 | ||
4367 | s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif) | |
4368 | { | |
4369 | s32 pktflags[] = { | |
4370 | BRCMF_VNDR_IE_PRBREQ_FLAG, | |
4371 | BRCMF_VNDR_IE_PRBRSP_FLAG, | |
4372 | BRCMF_VNDR_IE_BEACON_FLAG | |
4373 | }; | |
4374 | int i; | |
4375 | ||
4376 | for (i = 0; i < ARRAY_SIZE(pktflags); i++) | |
4377 | brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0); | |
4378 | ||
4379 | memset(&vif->saved_ie, 0, sizeof(vif->saved_ie)); | |
4380 | return 0; | |
4381 | } | |
4382 | ||
4383 | static s32 | |
4384 | brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif, | |
4385 | struct cfg80211_beacon_data *beacon) | |
4386 | { | |
4387 | s32 err; | |
4388 | ||
4389 | /* Set Beacon IEs to FW */ | |
4390 | err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG, | |
4391 | beacon->tail, beacon->tail_len); | |
4392 | if (err) { | |
4393 | brcmf_err("Set Beacon IE Failed\n"); | |
4394 | return err; | |
4395 | } | |
4396 | brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n"); | |
4397 | ||
4398 | /* Set Probe Response IEs to FW */ | |
4399 | err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG, | |
4400 | beacon->proberesp_ies, | |
4401 | beacon->proberesp_ies_len); | |
4402 | if (err) | |
4403 | brcmf_err("Set Probe Resp IE Failed\n"); | |
4404 | else | |
4405 | brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n"); | |
4406 | ||
4407 | return err; | |
4408 | } | |
4409 | ||
4410 | static s32 | |
4411 | brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, | |
4412 | struct cfg80211_ap_settings *settings) | |
4413 | { | |
4414 | s32 ie_offset; | |
4415 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
4416 | struct brcmf_if *ifp = netdev_priv(ndev); | |
4417 | const struct brcmf_tlv *ssid_ie; | |
4418 | const struct brcmf_tlv *country_ie; | |
4419 | struct brcmf_ssid_le ssid_le; | |
4420 | s32 err = -EPERM; | |
4421 | const struct brcmf_tlv *rsn_ie; | |
4422 | const struct brcmf_vs_tlv *wpa_ie; | |
4423 | struct brcmf_join_params join_params; | |
4424 | enum nl80211_iftype dev_role; | |
4425 | struct brcmf_fil_bss_enable_le bss_enable; | |
4426 | u16 chanspec; | |
4427 | bool mbss; | |
4428 | int is_11d; | |
4429 | ||
4430 | brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n", | |
4431 | settings->chandef.chan->hw_value, | |
4432 | settings->chandef.center_freq1, settings->chandef.width, | |
4433 | settings->beacon_interval, settings->dtim_period); | |
4434 | brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n", | |
4435 | settings->ssid, settings->ssid_len, settings->auth_type, | |
4436 | settings->inactivity_timeout); | |
4437 | dev_role = ifp->vif->wdev.iftype; | |
4438 | mbss = ifp->vif->mbss; | |
4439 | ||
4440 | /* store current 11d setting */ | |
4441 | brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d); | |
4442 | country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, | |
4443 | settings->beacon.tail_len, | |
4444 | WLAN_EID_COUNTRY); | |
4445 | is_11d = country_ie ? 1 : 0; | |
4446 | ||
4447 | memset(&ssid_le, 0, sizeof(ssid_le)); | |
4448 | if (settings->ssid == NULL || settings->ssid_len == 0) { | |
4449 | ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; | |
4450 | ssid_ie = brcmf_parse_tlvs( | |
4451 | (u8 *)&settings->beacon.head[ie_offset], | |
4452 | settings->beacon.head_len - ie_offset, | |
4453 | WLAN_EID_SSID); | |
4454 | if (!ssid_ie) | |
4455 | return -EINVAL; | |
4456 | ||
4457 | memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); | |
4458 | ssid_le.SSID_len = cpu_to_le32(ssid_ie->len); | |
4459 | brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID); | |
4460 | } else { | |
4461 | memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len); | |
4462 | ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len); | |
4463 | } | |
4464 | ||
4465 | if (!mbss) { | |
4466 | brcmf_set_mpc(ifp, 0); | |
4467 | brcmf_configure_arp_nd_offload(ifp, false); | |
4468 | } | |
4469 | ||
4470 | /* find the RSN_IE */ | |
4471 | rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, | |
4472 | settings->beacon.tail_len, WLAN_EID_RSN); | |
4473 | ||
4474 | /* find the WPA_IE */ | |
4475 | wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail, | |
4476 | settings->beacon.tail_len); | |
4477 | ||
4478 | if ((wpa_ie != NULL || rsn_ie != NULL)) { | |
4479 | brcmf_dbg(TRACE, "WPA(2) IE is found\n"); | |
4480 | if (wpa_ie != NULL) { | |
4481 | /* WPA IE */ | |
4482 | err = brcmf_configure_wpaie(ifp, wpa_ie, false); | |
4483 | if (err < 0) | |
4484 | goto exit; | |
4485 | } else { | |
4486 | struct brcmf_vs_tlv *tmp_ie; | |
4487 | ||
4488 | tmp_ie = (struct brcmf_vs_tlv *)rsn_ie; | |
4489 | ||
4490 | /* RSN IE */ | |
4491 | err = brcmf_configure_wpaie(ifp, tmp_ie, true); | |
4492 | if (err < 0) | |
4493 | goto exit; | |
4494 | } | |
4495 | } else { | |
4496 | brcmf_dbg(TRACE, "No WPA(2) IEs found\n"); | |
4497 | brcmf_configure_opensecurity(ifp); | |
4498 | } | |
4499 | ||
4500 | brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon); | |
4501 | ||
4502 | if (!mbss) { | |
4503 | chanspec = chandef_to_chanspec(&cfg->d11inf, | |
4504 | &settings->chandef); | |
4505 | err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); | |
4506 | if (err < 0) { | |
4507 | brcmf_err("Set Channel failed: chspec=%d, %d\n", | |
4508 | chanspec, err); | |
4509 | goto exit; | |
4510 | } | |
4511 | ||
4512 | if (is_11d != ifp->vif->is_11d) { | |
4513 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, | |
4514 | is_11d); | |
4515 | if (err < 0) { | |
4516 | brcmf_err("Regulatory Set Error, %d\n", err); | |
4517 | goto exit; | |
4518 | } | |
4519 | } | |
4520 | if (settings->beacon_interval) { | |
4521 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, | |
4522 | settings->beacon_interval); | |
4523 | if (err < 0) { | |
4524 | brcmf_err("Beacon Interval Set Error, %d\n", | |
4525 | err); | |
4526 | goto exit; | |
4527 | } | |
4528 | } | |
4529 | if (settings->dtim_period) { | |
4530 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD, | |
4531 | settings->dtim_period); | |
4532 | if (err < 0) { | |
4533 | brcmf_err("DTIM Interval Set Error, %d\n", err); | |
4534 | goto exit; | |
4535 | } | |
4536 | } | |
4537 | ||
4538 | if ((dev_role == NL80211_IFTYPE_AP) && | |
4539 | ((ifp->ifidx == 0) || | |
4540 | !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) { | |
4541 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); | |
4542 | if (err < 0) { | |
4543 | brcmf_err("BRCMF_C_DOWN error %d\n", err); | |
4544 | goto exit; | |
4545 | } | |
4546 | brcmf_fil_iovar_int_set(ifp, "apsta", 0); | |
4547 | } | |
4548 | ||
4549 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1); | |
4550 | if (err < 0) { | |
4551 | brcmf_err("SET INFRA error %d\n", err); | |
4552 | goto exit; | |
4553 | } | |
4554 | } else if (WARN_ON(is_11d != ifp->vif->is_11d)) { | |
4555 | /* Multiple-BSS should use same 11d configuration */ | |
4556 | err = -EINVAL; | |
4557 | goto exit; | |
4558 | } | |
4559 | if (dev_role == NL80211_IFTYPE_AP) { | |
4560 | if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss)) | |
4561 | brcmf_fil_iovar_int_set(ifp, "mbss", 1); | |
4562 | ||
4563 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1); | |
4564 | if (err < 0) { | |
4565 | brcmf_err("setting AP mode failed %d\n", err); | |
4566 | goto exit; | |
4567 | } | |
4568 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); | |
4569 | if (err < 0) { | |
4570 | brcmf_err("BRCMF_C_UP error (%d)\n", err); | |
4571 | goto exit; | |
4572 | } | |
4573 | /* On DOWN the firmware removes the WEP keys, reconfigure | |
4574 | * them if they were set. | |
4575 | */ | |
4576 | brcmf_cfg80211_reconfigure_wep(ifp); | |
4577 | ||
4578 | memset(&join_params, 0, sizeof(join_params)); | |
4579 | /* join parameters starts with ssid */ | |
4580 | memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); | |
4581 | /* create softap */ | |
4582 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, | |
4583 | &join_params, sizeof(join_params)); | |
4584 | if (err < 0) { | |
4585 | brcmf_err("SET SSID error (%d)\n", err); | |
4586 | goto exit; | |
4587 | } | |
4588 | brcmf_dbg(TRACE, "AP mode configuration complete\n"); | |
4589 | } else { | |
4590 | err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le, | |
4591 | sizeof(ssid_le)); | |
4592 | if (err < 0) { | |
4593 | brcmf_err("setting ssid failed %d\n", err); | |
4594 | goto exit; | |
4595 | } | |
4596 | bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx); | |
4597 | bss_enable.enable = cpu_to_le32(1); | |
4598 | err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, | |
4599 | sizeof(bss_enable)); | |
4600 | if (err < 0) { | |
4601 | brcmf_err("bss_enable config failed %d\n", err); | |
4602 | goto exit; | |
4603 | } | |
4604 | ||
4605 | brcmf_dbg(TRACE, "GO mode configuration complete\n"); | |
4606 | } | |
4607 | set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); | |
4608 | brcmf_net_setcarrier(ifp, true); | |
4609 | ||
4610 | exit: | |
4611 | if ((err) && (!mbss)) { | |
4612 | brcmf_set_mpc(ifp, 1); | |
4613 | brcmf_configure_arp_nd_offload(ifp, true); | |
4614 | } | |
4615 | return err; | |
4616 | } | |
4617 | ||
4618 | static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) | |
4619 | { | |
4620 | struct brcmf_if *ifp = netdev_priv(ndev); | |
4621 | s32 err; | |
4622 | struct brcmf_fil_bss_enable_le bss_enable; | |
4623 | struct brcmf_join_params join_params; | |
4624 | ||
4625 | brcmf_dbg(TRACE, "Enter\n"); | |
4626 | ||
4627 | if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) { | |
4628 | /* Due to most likely deauths outstanding we sleep */ | |
4629 | /* first to make sure they get processed by fw. */ | |
4630 | msleep(400); | |
4631 | ||
4632 | if (ifp->vif->mbss) { | |
4633 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); | |
4634 | return err; | |
4635 | } | |
4636 | ||
4637 | memset(&join_params, 0, sizeof(join_params)); | |
4638 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, | |
4639 | &join_params, sizeof(join_params)); | |
4640 | if (err < 0) | |
4641 | brcmf_err("SET SSID error (%d)\n", err); | |
4642 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); | |
4643 | if (err < 0) | |
4644 | brcmf_err("BRCMF_C_DOWN error %d\n", err); | |
4645 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0); | |
4646 | if (err < 0) | |
4647 | brcmf_err("setting AP mode failed %d\n", err); | |
4648 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0); | |
4649 | if (err < 0) | |
4650 | brcmf_err("setting INFRA mode failed %d\n", err); | |
4651 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) | |
4652 | brcmf_fil_iovar_int_set(ifp, "mbss", 0); | |
4653 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, | |
4654 | ifp->vif->is_11d); | |
4655 | if (err < 0) | |
4656 | brcmf_err("restoring REGULATORY setting failed %d\n", | |
4657 | err); | |
4658 | /* Bring device back up so it can be used again */ | |
4659 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); | |
4660 | if (err < 0) | |
4661 | brcmf_err("BRCMF_C_UP error %d\n", err); | |
4662 | } else { | |
4663 | bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx); | |
4664 | bss_enable.enable = cpu_to_le32(0); | |
4665 | err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, | |
4666 | sizeof(bss_enable)); | |
4667 | if (err < 0) | |
4668 | brcmf_err("bss_enable config failed %d\n", err); | |
4669 | } | |
4670 | brcmf_set_mpc(ifp, 1); | |
4671 | brcmf_configure_arp_nd_offload(ifp, true); | |
4672 | clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); | |
4673 | brcmf_net_setcarrier(ifp, false); | |
4674 | ||
4675 | return err; | |
4676 | } | |
4677 | ||
4678 | static s32 | |
4679 | brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev, | |
4680 | struct cfg80211_beacon_data *info) | |
4681 | { | |
4682 | struct brcmf_if *ifp = netdev_priv(ndev); | |
4683 | s32 err; | |
4684 | ||
4685 | brcmf_dbg(TRACE, "Enter\n"); | |
4686 | ||
4687 | err = brcmf_config_ap_mgmt_ie(ifp->vif, info); | |
4688 | ||
4689 | return err; | |
4690 | } | |
4691 | ||
4692 | static int | |
4693 | brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, | |
4694 | struct station_del_parameters *params) | |
4695 | { | |
4696 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
4697 | struct brcmf_scb_val_le scbval; | |
4698 | struct brcmf_if *ifp = netdev_priv(ndev); | |
4699 | s32 err; | |
4700 | ||
4701 | if (!params->mac) | |
4702 | return -EFAULT; | |
4703 | ||
4704 | brcmf_dbg(TRACE, "Enter %pM\n", params->mac); | |
4705 | ||
4706 | if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) | |
4707 | ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; | |
4708 | if (!check_vif_up(ifp->vif)) | |
4709 | return -EIO; | |
4710 | ||
4711 | memcpy(&scbval.ea, params->mac, ETH_ALEN); | |
4712 | scbval.val = cpu_to_le32(params->reason_code); | |
4713 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON, | |
4714 | &scbval, sizeof(scbval)); | |
4715 | if (err) | |
4716 | brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err); | |
4717 | ||
4718 | brcmf_dbg(TRACE, "Exit\n"); | |
4719 | return err; | |
4720 | } | |
4721 | ||
4722 | static int | |
4723 | brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev, | |
4724 | const u8 *mac, struct station_parameters *params) | |
4725 | { | |
4726 | struct brcmf_if *ifp = netdev_priv(ndev); | |
4727 | s32 err; | |
4728 | ||
4729 | brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac, | |
4730 | params->sta_flags_mask, params->sta_flags_set); | |
4731 | ||
4732 | /* Ignore all 00 MAC */ | |
4733 | if (is_zero_ether_addr(mac)) | |
4734 | return 0; | |
4735 | ||
4736 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4737 | return 0; | |
4738 | ||
4739 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4740 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE, | |
4741 | (void *)mac, ETH_ALEN); | |
4742 | else | |
4743 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE, | |
4744 | (void *)mac, ETH_ALEN); | |
4745 | if (err < 0) | |
4746 | brcmf_err("Setting SCB (de-)authorize failed, %d\n", err); | |
4747 | ||
4748 | return err; | |
4749 | } | |
4750 | ||
4751 | static void | |
4752 | brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy, | |
4753 | struct wireless_dev *wdev, | |
4754 | u16 frame_type, bool reg) | |
4755 | { | |
4756 | struct brcmf_cfg80211_vif *vif; | |
4757 | u16 mgmt_type; | |
4758 | ||
4759 | brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg); | |
4760 | ||
4761 | mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; | |
4762 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); | |
4763 | if (reg) | |
4764 | vif->mgmt_rx_reg |= BIT(mgmt_type); | |
4765 | else | |
4766 | vif->mgmt_rx_reg &= ~BIT(mgmt_type); | |
4767 | } | |
4768 | ||
4769 | ||
4770 | static int | |
4771 | brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, | |
4772 | struct cfg80211_mgmt_tx_params *params, u64 *cookie) | |
4773 | { | |
4774 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
4775 | struct ieee80211_channel *chan = params->chan; | |
4776 | const u8 *buf = params->buf; | |
4777 | size_t len = params->len; | |
4778 | const struct ieee80211_mgmt *mgmt; | |
4779 | struct brcmf_cfg80211_vif *vif; | |
4780 | s32 err = 0; | |
4781 | s32 ie_offset; | |
4782 | s32 ie_len; | |
4783 | struct brcmf_fil_action_frame_le *action_frame; | |
4784 | struct brcmf_fil_af_params_le *af_params; | |
4785 | bool ack; | |
4786 | s32 chan_nr; | |
4787 | u32 freq; | |
4788 | ||
4789 | brcmf_dbg(TRACE, "Enter\n"); | |
4790 | ||
4791 | *cookie = 0; | |
4792 | ||
4793 | mgmt = (const struct ieee80211_mgmt *)buf; | |
4794 | ||
4795 | if (!ieee80211_is_mgmt(mgmt->frame_control)) { | |
4796 | brcmf_err("Driver only allows MGMT packet type\n"); | |
4797 | return -EPERM; | |
4798 | } | |
4799 | ||
4800 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); | |
4801 | ||
4802 | if (ieee80211_is_probe_resp(mgmt->frame_control)) { | |
4803 | /* Right now the only reason to get a probe response */ | |
4804 | /* is for p2p listen response or for p2p GO from */ | |
4805 | /* wpa_supplicant. Unfortunately the probe is send */ | |
4806 | /* on primary ndev, while dongle wants it on the p2p */ | |
4807 | /* vif. Since this is only reason for a probe */ | |
4808 | /* response to be sent, the vif is taken from cfg. */ | |
4809 | /* If ever desired to send proberesp for non p2p */ | |
4810 | /* response then data should be checked for */ | |
4811 | /* "DIRECT-". Note in future supplicant will take */ | |
4812 | /* dedicated p2p wdev to do this and then this 'hack'*/ | |
4813 | /* is not needed anymore. */ | |
4814 | ie_offset = DOT11_MGMT_HDR_LEN + | |
4815 | DOT11_BCN_PRB_FIXED_LEN; | |
4816 | ie_len = len - ie_offset; | |
4817 | if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) | |
4818 | vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; | |
4819 | err = brcmf_vif_set_mgmt_ie(vif, | |
4820 | BRCMF_VNDR_IE_PRBRSP_FLAG, | |
4821 | &buf[ie_offset], | |
4822 | ie_len); | |
4823 | cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, | |
4824 | GFP_KERNEL); | |
4825 | } else if (ieee80211_is_action(mgmt->frame_control)) { | |
4826 | af_params = kzalloc(sizeof(*af_params), GFP_KERNEL); | |
4827 | if (af_params == NULL) { | |
4828 | brcmf_err("unable to allocate frame\n"); | |
4829 | err = -ENOMEM; | |
4830 | goto exit; | |
4831 | } | |
4832 | action_frame = &af_params->action_frame; | |
4833 | /* Add the packet Id */ | |
4834 | action_frame->packet_id = cpu_to_le32(*cookie); | |
4835 | /* Add BSSID */ | |
4836 | memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN); | |
4837 | memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN); | |
4838 | /* Add the length exepted for 802.11 header */ | |
4839 | action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN); | |
4840 | /* Add the channel. Use the one specified as parameter if any or | |
4841 | * the current one (got from the firmware) otherwise | |
4842 | */ | |
4843 | if (chan) | |
4844 | freq = chan->center_freq; | |
4845 | else | |
4846 | brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL, | |
4847 | &freq); | |
4848 | chan_nr = ieee80211_frequency_to_channel(freq); | |
4849 | af_params->channel = cpu_to_le32(chan_nr); | |
4850 | ||
4851 | memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], | |
4852 | le16_to_cpu(action_frame->len)); | |
4853 | ||
4854 | brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n", | |
4855 | *cookie, le16_to_cpu(action_frame->len), freq); | |
4856 | ||
4857 | ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg), | |
4858 | af_params); | |
4859 | ||
4860 | cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack, | |
4861 | GFP_KERNEL); | |
4862 | kfree(af_params); | |
4863 | } else { | |
4864 | brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control); | |
4865 | brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len); | |
4866 | } | |
4867 | ||
4868 | exit: | |
4869 | return err; | |
4870 | } | |
4871 | ||
4872 | ||
4873 | static int | |
4874 | brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, | |
4875 | struct wireless_dev *wdev, | |
4876 | u64 cookie) | |
4877 | { | |
4878 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
4879 | struct brcmf_cfg80211_vif *vif; | |
4880 | int err = 0; | |
4881 | ||
4882 | brcmf_dbg(TRACE, "Enter p2p listen cancel\n"); | |
4883 | ||
4884 | vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; | |
4885 | if (vif == NULL) { | |
4886 | brcmf_err("No p2p device available for probe response\n"); | |
4887 | err = -ENODEV; | |
4888 | goto exit; | |
4889 | } | |
4890 | brcmf_p2p_cancel_remain_on_channel(vif->ifp); | |
4891 | exit: | |
4892 | return err; | |
4893 | } | |
4894 | ||
4895 | static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy, | |
4896 | struct wireless_dev *wdev, | |
4897 | enum nl80211_crit_proto_id proto, | |
4898 | u16 duration) | |
4899 | { | |
4900 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
4901 | struct brcmf_cfg80211_vif *vif; | |
4902 | ||
4903 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); | |
4904 | ||
4905 | /* only DHCP support for now */ | |
4906 | if (proto != NL80211_CRIT_PROTO_DHCP) | |
4907 | return -EINVAL; | |
4908 | ||
4909 | /* suppress and abort scanning */ | |
4910 | set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); | |
4911 | brcmf_abort_scanning(cfg); | |
4912 | ||
4913 | return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration); | |
4914 | } | |
4915 | ||
4916 | static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy, | |
4917 | struct wireless_dev *wdev) | |
4918 | { | |
4919 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
4920 | struct brcmf_cfg80211_vif *vif; | |
4921 | ||
4922 | vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); | |
4923 | ||
4924 | brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); | |
4925 | clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); | |
4926 | } | |
4927 | ||
4928 | static s32 | |
4929 | brcmf_notify_tdls_peer_event(struct brcmf_if *ifp, | |
4930 | const struct brcmf_event_msg *e, void *data) | |
4931 | { | |
4932 | switch (e->reason) { | |
4933 | case BRCMF_E_REASON_TDLS_PEER_DISCOVERED: | |
4934 | brcmf_dbg(TRACE, "TDLS Peer Discovered\n"); | |
4935 | break; | |
4936 | case BRCMF_E_REASON_TDLS_PEER_CONNECTED: | |
4937 | brcmf_dbg(TRACE, "TDLS Peer Connected\n"); | |
4938 | brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); | |
4939 | break; | |
4940 | case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED: | |
4941 | brcmf_dbg(TRACE, "TDLS Peer Disconnected\n"); | |
4942 | brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); | |
4943 | break; | |
4944 | } | |
4945 | ||
4946 | return 0; | |
4947 | } | |
4948 | ||
4949 | static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper) | |
4950 | { | |
4951 | int ret; | |
4952 | ||
4953 | switch (oper) { | |
4954 | case NL80211_TDLS_DISCOVERY_REQ: | |
4955 | ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY; | |
4956 | break; | |
4957 | case NL80211_TDLS_SETUP: | |
4958 | ret = BRCMF_TDLS_MANUAL_EP_CREATE; | |
4959 | break; | |
4960 | case NL80211_TDLS_TEARDOWN: | |
4961 | ret = BRCMF_TDLS_MANUAL_EP_DELETE; | |
4962 | break; | |
4963 | default: | |
4964 | brcmf_err("unsupported operation: %d\n", oper); | |
4965 | ret = -EOPNOTSUPP; | |
4966 | } | |
4967 | return ret; | |
4968 | } | |
4969 | ||
4970 | static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy, | |
4971 | struct net_device *ndev, const u8 *peer, | |
4972 | enum nl80211_tdls_operation oper) | |
4973 | { | |
4974 | struct brcmf_if *ifp; | |
4975 | struct brcmf_tdls_iovar_le info; | |
4976 | int ret = 0; | |
4977 | ||
4978 | ret = brcmf_convert_nl80211_tdls_oper(oper); | |
4979 | if (ret < 0) | |
4980 | return ret; | |
4981 | ||
4982 | ifp = netdev_priv(ndev); | |
4983 | memset(&info, 0, sizeof(info)); | |
4984 | info.mode = (u8)ret; | |
4985 | if (peer) | |
4986 | memcpy(info.ea, peer, ETH_ALEN); | |
4987 | ||
4988 | ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint", | |
4989 | &info, sizeof(info)); | |
4990 | if (ret < 0) | |
4991 | brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret); | |
4992 | ||
4993 | return ret; | |
4994 | } | |
4995 | ||
4996 | #ifdef CONFIG_PM | |
4997 | static int | |
4998 | brcmf_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *ndev, | |
4999 | struct cfg80211_gtk_rekey_data *gtk) | |
5000 | { | |
5001 | struct brcmf_if *ifp = netdev_priv(ndev); | |
5002 | struct brcmf_gtk_keyinfo_le gtk_le; | |
5003 | int ret; | |
5004 | ||
5005 | brcmf_dbg(TRACE, "Enter, bssidx=%d\n", ifp->bsscfgidx); | |
5006 | ||
5007 | memcpy(gtk_le.kck, gtk->kck, sizeof(gtk_le.kck)); | |
5008 | memcpy(gtk_le.kek, gtk->kek, sizeof(gtk_le.kek)); | |
5009 | memcpy(gtk_le.replay_counter, gtk->replay_ctr, | |
5010 | sizeof(gtk_le.replay_counter)); | |
5011 | ||
5012 | ret = brcmf_fil_iovar_data_set(ifp, "gtk_key_info", >k_le, | |
5013 | sizeof(gtk_le)); | |
5014 | if (ret < 0) | |
5015 | brcmf_err("gtk_key_info iovar failed: ret=%d\n", ret); | |
5016 | ||
5017 | return ret; | |
5018 | } | |
5019 | #endif | |
5020 | ||
5021 | static struct cfg80211_ops brcmf_cfg80211_ops = { | |
5022 | .add_virtual_intf = brcmf_cfg80211_add_iface, | |
5023 | .del_virtual_intf = brcmf_cfg80211_del_iface, | |
5024 | .change_virtual_intf = brcmf_cfg80211_change_iface, | |
5025 | .scan = brcmf_cfg80211_scan, | |
5026 | .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, | |
5027 | .join_ibss = brcmf_cfg80211_join_ibss, | |
5028 | .leave_ibss = brcmf_cfg80211_leave_ibss, | |
5029 | .get_station = brcmf_cfg80211_get_station, | |
5030 | .dump_station = brcmf_cfg80211_dump_station, | |
5031 | .set_tx_power = brcmf_cfg80211_set_tx_power, | |
5032 | .get_tx_power = brcmf_cfg80211_get_tx_power, | |
5033 | .add_key = brcmf_cfg80211_add_key, | |
5034 | .del_key = brcmf_cfg80211_del_key, | |
5035 | .get_key = brcmf_cfg80211_get_key, | |
5036 | .set_default_key = brcmf_cfg80211_config_default_key, | |
5037 | .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, | |
5038 | .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, | |
5039 | .connect = brcmf_cfg80211_connect, | |
5040 | .disconnect = brcmf_cfg80211_disconnect, | |
5041 | .suspend = brcmf_cfg80211_suspend, | |
5042 | .resume = brcmf_cfg80211_resume, | |
5043 | .set_pmksa = brcmf_cfg80211_set_pmksa, | |
5044 | .del_pmksa = brcmf_cfg80211_del_pmksa, | |
5045 | .flush_pmksa = brcmf_cfg80211_flush_pmksa, | |
5046 | .start_ap = brcmf_cfg80211_start_ap, | |
5047 | .stop_ap = brcmf_cfg80211_stop_ap, | |
5048 | .change_beacon = brcmf_cfg80211_change_beacon, | |
5049 | .del_station = brcmf_cfg80211_del_station, | |
5050 | .change_station = brcmf_cfg80211_change_station, | |
5051 | .sched_scan_start = brcmf_cfg80211_sched_scan_start, | |
5052 | .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, | |
5053 | .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register, | |
5054 | .mgmt_tx = brcmf_cfg80211_mgmt_tx, | |
5055 | .remain_on_channel = brcmf_p2p_remain_on_channel, | |
5056 | .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, | |
5057 | .start_p2p_device = brcmf_p2p_start_device, | |
5058 | .stop_p2p_device = brcmf_p2p_stop_device, | |
5059 | .crit_proto_start = brcmf_cfg80211_crit_proto_start, | |
5060 | .crit_proto_stop = brcmf_cfg80211_crit_proto_stop, | |
5061 | .tdls_oper = brcmf_cfg80211_tdls_oper, | |
5062 | }; | |
5063 | ||
5064 | struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, | |
5065 | enum nl80211_iftype type, | |
5066 | bool pm_block) | |
5067 | { | |
5068 | struct brcmf_cfg80211_vif *vif_walk; | |
5069 | struct brcmf_cfg80211_vif *vif; | |
5070 | bool mbss; | |
5071 | ||
5072 | brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n", | |
5073 | sizeof(*vif)); | |
5074 | vif = kzalloc(sizeof(*vif), GFP_KERNEL); | |
5075 | if (!vif) | |
5076 | return ERR_PTR(-ENOMEM); | |
5077 | ||
5078 | vif->wdev.wiphy = cfg->wiphy; | |
5079 | vif->wdev.iftype = type; | |
5080 | ||
5081 | vif->pm_block = pm_block; | |
5082 | ||
5083 | brcmf_init_prof(&vif->profile); | |
5084 | ||
5085 | if (type == NL80211_IFTYPE_AP) { | |
5086 | mbss = false; | |
5087 | list_for_each_entry(vif_walk, &cfg->vif_list, list) { | |
5088 | if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) { | |
5089 | mbss = true; | |
5090 | break; | |
5091 | } | |
5092 | } | |
5093 | vif->mbss = mbss; | |
5094 | } | |
5095 | ||
5096 | list_add_tail(&vif->list, &cfg->vif_list); | |
5097 | return vif; | |
5098 | } | |
5099 | ||
5100 | void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) | |
5101 | { | |
5102 | list_del(&vif->list); | |
5103 | kfree(vif); | |
5104 | } | |
5105 | ||
5106 | void brcmf_cfg80211_free_netdev(struct net_device *ndev) | |
5107 | { | |
5108 | struct brcmf_cfg80211_vif *vif; | |
5109 | struct brcmf_if *ifp; | |
5110 | ||
5111 | ifp = netdev_priv(ndev); | |
5112 | vif = ifp->vif; | |
5113 | ||
5114 | if (vif) | |
5115 | brcmf_free_vif(vif); | |
5116 | free_netdev(ndev); | |
5117 | } | |
5118 | ||
5119 | static bool brcmf_is_linkup(const struct brcmf_event_msg *e) | |
5120 | { | |
5121 | u32 event = e->event_code; | |
5122 | u32 status = e->status; | |
5123 | ||
5124 | if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { | |
5125 | brcmf_dbg(CONN, "Processing set ssid\n"); | |
5126 | return true; | |
5127 | } | |
5128 | ||
5129 | return false; | |
5130 | } | |
5131 | ||
5132 | static bool brcmf_is_linkdown(const struct brcmf_event_msg *e) | |
5133 | { | |
5134 | u32 event = e->event_code; | |
5135 | u16 flags = e->flags; | |
5136 | ||
5137 | if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) || | |
5138 | (event == BRCMF_E_DISASSOC_IND) || | |
5139 | ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) { | |
5140 | brcmf_dbg(CONN, "Processing link down\n"); | |
5141 | return true; | |
5142 | } | |
5143 | return false; | |
5144 | } | |
5145 | ||
5146 | static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg, | |
5147 | const struct brcmf_event_msg *e) | |
5148 | { | |
5149 | u32 event = e->event_code; | |
5150 | u32 status = e->status; | |
5151 | ||
5152 | if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { | |
5153 | brcmf_dbg(CONN, "Processing Link %s & no network found\n", | |
5154 | e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down"); | |
5155 | return true; | |
5156 | } | |
5157 | ||
5158 | if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { | |
5159 | brcmf_dbg(CONN, "Processing connecting & no network found\n"); | |
5160 | return true; | |
5161 | } | |
5162 | ||
5163 | return false; | |
5164 | } | |
5165 | ||
5166 | static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) | |
5167 | { | |
5168 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); | |
5169 | ||
5170 | kfree(conn_info->req_ie); | |
5171 | conn_info->req_ie = NULL; | |
5172 | conn_info->req_ie_len = 0; | |
5173 | kfree(conn_info->resp_ie); | |
5174 | conn_info->resp_ie = NULL; | |
5175 | conn_info->resp_ie_len = 0; | |
5176 | } | |
5177 | ||
5178 | static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, | |
5179 | struct brcmf_if *ifp) | |
5180 | { | |
5181 | struct brcmf_cfg80211_assoc_ielen_le *assoc_info; | |
5182 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); | |
5183 | u32 req_len; | |
5184 | u32 resp_len; | |
5185 | s32 err = 0; | |
5186 | ||
5187 | brcmf_clear_assoc_ies(cfg); | |
5188 | ||
5189 | err = brcmf_fil_iovar_data_get(ifp, "assoc_info", | |
5190 | cfg->extra_buf, WL_ASSOC_INFO_MAX); | |
5191 | if (err) { | |
5192 | brcmf_err("could not get assoc info (%d)\n", err); | |
5193 | return err; | |
5194 | } | |
5195 | assoc_info = | |
5196 | (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf; | |
5197 | req_len = le32_to_cpu(assoc_info->req_len); | |
5198 | resp_len = le32_to_cpu(assoc_info->resp_len); | |
5199 | if (req_len) { | |
5200 | err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies", | |
5201 | cfg->extra_buf, | |
5202 | WL_ASSOC_INFO_MAX); | |
5203 | if (err) { | |
5204 | brcmf_err("could not get assoc req (%d)\n", err); | |
5205 | return err; | |
5206 | } | |
5207 | conn_info->req_ie_len = req_len; | |
5208 | conn_info->req_ie = | |
5209 | kmemdup(cfg->extra_buf, conn_info->req_ie_len, | |
5210 | GFP_KERNEL); | |
5211 | } else { | |
5212 | conn_info->req_ie_len = 0; | |
5213 | conn_info->req_ie = NULL; | |
5214 | } | |
5215 | if (resp_len) { | |
5216 | err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies", | |
5217 | cfg->extra_buf, | |
5218 | WL_ASSOC_INFO_MAX); | |
5219 | if (err) { | |
5220 | brcmf_err("could not get assoc resp (%d)\n", err); | |
5221 | return err; | |
5222 | } | |
5223 | conn_info->resp_ie_len = resp_len; | |
5224 | conn_info->resp_ie = | |
5225 | kmemdup(cfg->extra_buf, conn_info->resp_ie_len, | |
5226 | GFP_KERNEL); | |
5227 | } else { | |
5228 | conn_info->resp_ie_len = 0; | |
5229 | conn_info->resp_ie = NULL; | |
5230 | } | |
5231 | brcmf_dbg(CONN, "req len (%d) resp len (%d)\n", | |
5232 | conn_info->req_ie_len, conn_info->resp_ie_len); | |
5233 | ||
5234 | return err; | |
5235 | } | |
5236 | ||
5237 | static s32 | |
5238 | brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, | |
5239 | struct net_device *ndev, | |
5240 | const struct brcmf_event_msg *e) | |
5241 | { | |
5242 | struct brcmf_if *ifp = netdev_priv(ndev); | |
5243 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
5244 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); | |
5245 | struct wiphy *wiphy = cfg_to_wiphy(cfg); | |
5246 | struct ieee80211_channel *notify_channel = NULL; | |
5247 | struct ieee80211_supported_band *band; | |
5248 | struct brcmf_bss_info_le *bi; | |
5249 | struct brcmu_chan ch; | |
5250 | u32 freq; | |
5251 | s32 err = 0; | |
5252 | u8 *buf; | |
5253 | ||
5254 | brcmf_dbg(TRACE, "Enter\n"); | |
5255 | ||
5256 | brcmf_get_assoc_ies(cfg, ifp); | |
5257 | memcpy(profile->bssid, e->addr, ETH_ALEN); | |
5258 | brcmf_update_bss_info(cfg, ifp); | |
5259 | ||
5260 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); | |
5261 | if (buf == NULL) { | |
5262 | err = -ENOMEM; | |
5263 | goto done; | |
5264 | } | |
5265 | ||
5266 | /* data sent to dongle has to be little endian */ | |
5267 | *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); | |
5268 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, | |
5269 | buf, WL_BSS_INFO_MAX); | |
5270 | ||
5271 | if (err) | |
5272 | goto done; | |
5273 | ||
5274 | bi = (struct brcmf_bss_info_le *)(buf + 4); | |
5275 | ch.chspec = le16_to_cpu(bi->chanspec); | |
5276 | cfg->d11inf.decchspec(&ch); | |
5277 | ||
5278 | if (ch.band == BRCMU_CHAN_BAND_2G) | |
5279 | band = wiphy->bands[NL80211_BAND_2GHZ]; | |
5280 | else | |
5281 | band = wiphy->bands[NL80211_BAND_5GHZ]; | |
5282 | ||
5283 | freq = ieee80211_channel_to_frequency(ch.chnum, band->band); | |
5284 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
5285 | ||
5286 | done: | |
5287 | kfree(buf); | |
5288 | cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid, | |
5289 | conn_info->req_ie, conn_info->req_ie_len, | |
5290 | conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); | |
5291 | brcmf_dbg(CONN, "Report roaming result\n"); | |
5292 | ||
5293 | set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); | |
5294 | brcmf_dbg(TRACE, "Exit\n"); | |
5295 | return err; | |
5296 | } | |
5297 | ||
5298 | static s32 | |
5299 | brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, | |
5300 | struct net_device *ndev, const struct brcmf_event_msg *e, | |
5301 | bool completed) | |
5302 | { | |
5303 | struct brcmf_if *ifp = netdev_priv(ndev); | |
5304 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
5305 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); | |
5306 | ||
5307 | brcmf_dbg(TRACE, "Enter\n"); | |
5308 | ||
5309 | if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING, | |
5310 | &ifp->vif->sme_state)) { | |
5311 | if (completed) { | |
5312 | brcmf_get_assoc_ies(cfg, ifp); | |
5313 | memcpy(profile->bssid, e->addr, ETH_ALEN); | |
5314 | brcmf_update_bss_info(cfg, ifp); | |
5315 | set_bit(BRCMF_VIF_STATUS_CONNECTED, | |
5316 | &ifp->vif->sme_state); | |
5317 | } | |
5318 | cfg80211_connect_result(ndev, | |
5319 | (u8 *)profile->bssid, | |
5320 | conn_info->req_ie, | |
5321 | conn_info->req_ie_len, | |
5322 | conn_info->resp_ie, | |
5323 | conn_info->resp_ie_len, | |
5324 | completed ? WLAN_STATUS_SUCCESS : | |
5325 | WLAN_STATUS_AUTH_TIMEOUT, | |
5326 | GFP_KERNEL); | |
5327 | brcmf_dbg(CONN, "Report connect result - connection %s\n", | |
5328 | completed ? "succeeded" : "failed"); | |
5329 | } | |
5330 | brcmf_dbg(TRACE, "Exit\n"); | |
5331 | return 0; | |
5332 | } | |
5333 | ||
5334 | static s32 | |
5335 | brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, | |
5336 | struct net_device *ndev, | |
5337 | const struct brcmf_event_msg *e, void *data) | |
5338 | { | |
5339 | struct brcmf_if *ifp = netdev_priv(ndev); | |
5340 | static int generation; | |
5341 | u32 event = e->event_code; | |
5342 | u32 reason = e->reason; | |
5343 | struct station_info sinfo; | |
5344 | ||
5345 | brcmf_dbg(CONN, "event %d, reason %d\n", event, reason); | |
5346 | if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS && | |
5347 | ndev != cfg_to_ndev(cfg)) { | |
5348 | brcmf_dbg(CONN, "AP mode link down\n"); | |
5349 | complete(&cfg->vif_disabled); | |
5350 | if (ifp->vif->mbss) | |
5351 | brcmf_remove_interface(ifp); | |
5352 | return 0; | |
5353 | } | |
5354 | ||
5355 | if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && | |
5356 | (reason == BRCMF_E_STATUS_SUCCESS)) { | |
5357 | memset(&sinfo, 0, sizeof(sinfo)); | |
5358 | if (!data) { | |
5359 | brcmf_err("No IEs present in ASSOC/REASSOC_IND"); | |
5360 | return -EINVAL; | |
5361 | } | |
5362 | sinfo.assoc_req_ies = data; | |
5363 | sinfo.assoc_req_ies_len = e->datalen; | |
5364 | generation++; | |
5365 | sinfo.generation = generation; | |
5366 | cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL); | |
5367 | } else if ((event == BRCMF_E_DISASSOC_IND) || | |
5368 | (event == BRCMF_E_DEAUTH_IND) || | |
5369 | (event == BRCMF_E_DEAUTH)) { | |
5370 | cfg80211_del_sta(ndev, e->addr, GFP_KERNEL); | |
5371 | } | |
5372 | return 0; | |
5373 | } | |
5374 | ||
5375 | static s32 | |
5376 | brcmf_notify_connect_status(struct brcmf_if *ifp, | |
5377 | const struct brcmf_event_msg *e, void *data) | |
5378 | { | |
5379 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
5380 | struct net_device *ndev = ifp->ndev; | |
5381 | struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; | |
5382 | struct ieee80211_channel *chan; | |
5383 | s32 err = 0; | |
5384 | ||
5385 | if ((e->event_code == BRCMF_E_DEAUTH) || | |
5386 | (e->event_code == BRCMF_E_DEAUTH_IND) || | |
5387 | (e->event_code == BRCMF_E_DISASSOC_IND) || | |
5388 | ((e->event_code == BRCMF_E_LINK) && (!e->flags))) { | |
5389 | brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); | |
5390 | } | |
5391 | ||
5392 | if (brcmf_is_apmode(ifp->vif)) { | |
5393 | err = brcmf_notify_connect_status_ap(cfg, ndev, e, data); | |
5394 | } else if (brcmf_is_linkup(e)) { | |
5395 | brcmf_dbg(CONN, "Linkup\n"); | |
5396 | if (brcmf_is_ibssmode(ifp->vif)) { | |
5397 | brcmf_inform_ibss(cfg, ndev, e->addr); | |
5398 | chan = ieee80211_get_channel(cfg->wiphy, cfg->channel); | |
5399 | memcpy(profile->bssid, e->addr, ETH_ALEN); | |
5400 | cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL); | |
5401 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, | |
5402 | &ifp->vif->sme_state); | |
5403 | set_bit(BRCMF_VIF_STATUS_CONNECTED, | |
5404 | &ifp->vif->sme_state); | |
5405 | } else | |
5406 | brcmf_bss_connect_done(cfg, ndev, e, true); | |
5407 | brcmf_net_setcarrier(ifp, true); | |
5408 | } else if (brcmf_is_linkdown(e)) { | |
5409 | brcmf_dbg(CONN, "Linkdown\n"); | |
5410 | if (!brcmf_is_ibssmode(ifp->vif)) { | |
5411 | brcmf_bss_connect_done(cfg, ndev, e, false); | |
5412 | brcmf_link_down(ifp->vif, | |
5413 | brcmf_map_fw_linkdown_reason(e)); | |
5414 | brcmf_init_prof(ndev_to_prof(ndev)); | |
5415 | if (ndev != cfg_to_ndev(cfg)) | |
5416 | complete(&cfg->vif_disabled); | |
5417 | brcmf_net_setcarrier(ifp, false); | |
5418 | } | |
5419 | } else if (brcmf_is_nonetwork(cfg, e)) { | |
5420 | if (brcmf_is_ibssmode(ifp->vif)) | |
5421 | clear_bit(BRCMF_VIF_STATUS_CONNECTING, | |
5422 | &ifp->vif->sme_state); | |
5423 | else | |
5424 | brcmf_bss_connect_done(cfg, ndev, e, false); | |
5425 | } | |
5426 | ||
5427 | return err; | |
5428 | } | |
5429 | ||
5430 | static s32 | |
5431 | brcmf_notify_roaming_status(struct brcmf_if *ifp, | |
5432 | const struct brcmf_event_msg *e, void *data) | |
5433 | { | |
5434 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
5435 | u32 event = e->event_code; | |
5436 | u32 status = e->status; | |
5437 | ||
5438 | if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { | |
5439 | if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state)) | |
5440 | brcmf_bss_roaming_done(cfg, ifp->ndev, e); | |
5441 | else | |
5442 | brcmf_bss_connect_done(cfg, ifp->ndev, e, true); | |
5443 | } | |
5444 | ||
5445 | return 0; | |
5446 | } | |
5447 | ||
5448 | static s32 | |
5449 | brcmf_notify_mic_status(struct brcmf_if *ifp, | |
5450 | const struct brcmf_event_msg *e, void *data) | |
5451 | { | |
5452 | u16 flags = e->flags; | |
5453 | enum nl80211_key_type key_type; | |
5454 | ||
5455 | if (flags & BRCMF_EVENT_MSG_GROUP) | |
5456 | key_type = NL80211_KEYTYPE_GROUP; | |
5457 | else | |
5458 | key_type = NL80211_KEYTYPE_PAIRWISE; | |
5459 | ||
5460 | cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1, | |
5461 | NULL, GFP_KERNEL); | |
5462 | ||
5463 | return 0; | |
5464 | } | |
5465 | ||
5466 | static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, | |
5467 | const struct brcmf_event_msg *e, void *data) | |
5468 | { | |
5469 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
5470 | struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data; | |
5471 | struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; | |
5472 | struct brcmf_cfg80211_vif *vif; | |
5473 | ||
5474 | brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfgidx %u\n", | |
5475 | ifevent->action, ifevent->flags, ifevent->ifidx, | |
5476 | ifevent->bsscfgidx); | |
5477 | ||
5478 | mutex_lock(&event->vif_event_lock); | |
5479 | event->action = ifevent->action; | |
5480 | vif = event->vif; | |
5481 | ||
5482 | switch (ifevent->action) { | |
5483 | case BRCMF_E_IF_ADD: | |
5484 | /* waiting process may have timed out */ | |
5485 | if (!cfg->vif_event.vif) { | |
5486 | mutex_unlock(&event->vif_event_lock); | |
5487 | return -EBADF; | |
5488 | } | |
5489 | ||
5490 | ifp->vif = vif; | |
5491 | vif->ifp = ifp; | |
5492 | if (ifp->ndev) { | |
5493 | vif->wdev.netdev = ifp->ndev; | |
5494 | ifp->ndev->ieee80211_ptr = &vif->wdev; | |
5495 | SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); | |
5496 | } | |
5497 | mutex_unlock(&event->vif_event_lock); | |
5498 | wake_up(&event->vif_wq); | |
5499 | return 0; | |
5500 | ||
5501 | case BRCMF_E_IF_DEL: | |
5502 | mutex_unlock(&event->vif_event_lock); | |
5503 | /* event may not be upon user request */ | |
5504 | if (brcmf_cfg80211_vif_event_armed(cfg)) | |
5505 | wake_up(&event->vif_wq); | |
5506 | return 0; | |
5507 | ||
5508 | case BRCMF_E_IF_CHANGE: | |
5509 | mutex_unlock(&event->vif_event_lock); | |
5510 | wake_up(&event->vif_wq); | |
5511 | return 0; | |
5512 | ||
5513 | default: | |
5514 | mutex_unlock(&event->vif_event_lock); | |
5515 | break; | |
5516 | } | |
5517 | return -EINVAL; | |
5518 | } | |
5519 | ||
5520 | static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) | |
5521 | { | |
5522 | conf->frag_threshold = (u32)-1; | |
5523 | conf->rts_threshold = (u32)-1; | |
5524 | conf->retry_short = (u32)-1; | |
5525 | conf->retry_long = (u32)-1; | |
5526 | } | |
5527 | ||
5528 | static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) | |
5529 | { | |
5530 | brcmf_fweh_register(cfg->pub, BRCMF_E_LINK, | |
5531 | brcmf_notify_connect_status); | |
5532 | brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND, | |
5533 | brcmf_notify_connect_status); | |
5534 | brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH, | |
5535 | brcmf_notify_connect_status); | |
5536 | brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND, | |
5537 | brcmf_notify_connect_status); | |
5538 | brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND, | |
5539 | brcmf_notify_connect_status); | |
5540 | brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND, | |
5541 | brcmf_notify_connect_status); | |
5542 | brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM, | |
5543 | brcmf_notify_roaming_status); | |
5544 | brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR, | |
5545 | brcmf_notify_mic_status); | |
5546 | brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID, | |
5547 | brcmf_notify_connect_status); | |
5548 | brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, | |
5549 | brcmf_notify_sched_scan_results); | |
5550 | brcmf_fweh_register(cfg->pub, BRCMF_E_IF, | |
5551 | brcmf_notify_vif_event); | |
5552 | brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG, | |
5553 | brcmf_p2p_notify_rx_mgmt_p2p_probereq); | |
5554 | brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE, | |
5555 | brcmf_p2p_notify_listen_complete); | |
5556 | brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX, | |
5557 | brcmf_p2p_notify_action_frame_rx); | |
5558 | brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE, | |
5559 | brcmf_p2p_notify_action_tx_complete); | |
5560 | brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE, | |
5561 | brcmf_p2p_notify_action_tx_complete); | |
5562 | } | |
5563 | ||
5564 | static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) | |
5565 | { | |
5566 | kfree(cfg->conf); | |
5567 | cfg->conf = NULL; | |
5568 | kfree(cfg->extra_buf); | |
5569 | cfg->extra_buf = NULL; | |
5570 | kfree(cfg->wowl.nd); | |
5571 | cfg->wowl.nd = NULL; | |
5572 | kfree(cfg->wowl.nd_info); | |
5573 | cfg->wowl.nd_info = NULL; | |
5574 | kfree(cfg->escan_info.escan_buf); | |
5575 | cfg->escan_info.escan_buf = NULL; | |
5576 | } | |
5577 | ||
5578 | static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg) | |
5579 | { | |
5580 | cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL); | |
5581 | if (!cfg->conf) | |
5582 | goto init_priv_mem_out; | |
5583 | cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); | |
5584 | if (!cfg->extra_buf) | |
5585 | goto init_priv_mem_out; | |
5586 | cfg->wowl.nd = kzalloc(sizeof(*cfg->wowl.nd) + sizeof(u32), GFP_KERNEL); | |
5587 | if (!cfg->wowl.nd) | |
5588 | goto init_priv_mem_out; | |
5589 | cfg->wowl.nd_info = kzalloc(sizeof(*cfg->wowl.nd_info) + | |
5590 | sizeof(struct cfg80211_wowlan_nd_match *), | |
5591 | GFP_KERNEL); | |
5592 | if (!cfg->wowl.nd_info) | |
5593 | goto init_priv_mem_out; | |
5594 | cfg->escan_info.escan_buf = kzalloc(BRCMF_ESCAN_BUF_SIZE, GFP_KERNEL); | |
5595 | if (!cfg->escan_info.escan_buf) | |
5596 | goto init_priv_mem_out; | |
5597 | ||
5598 | return 0; | |
5599 | ||
5600 | init_priv_mem_out: | |
5601 | brcmf_deinit_priv_mem(cfg); | |
5602 | ||
5603 | return -ENOMEM; | |
5604 | } | |
5605 | ||
5606 | static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg) | |
5607 | { | |
5608 | s32 err = 0; | |
5609 | ||
5610 | cfg->scan_request = NULL; | |
5611 | cfg->pwr_save = true; | |
5612 | cfg->active_scan = true; /* we do active scan per default */ | |
5613 | cfg->dongle_up = false; /* dongle is not up yet */ | |
5614 | err = brcmf_init_priv_mem(cfg); | |
5615 | if (err) | |
5616 | return err; | |
5617 | brcmf_register_event_handlers(cfg); | |
5618 | mutex_init(&cfg->usr_sync); | |
5619 | brcmf_init_escan(cfg); | |
5620 | brcmf_init_conf(cfg->conf); | |
5621 | init_completion(&cfg->vif_disabled); | |
5622 | return err; | |
5623 | } | |
5624 | ||
5625 | static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) | |
5626 | { | |
5627 | cfg->dongle_up = false; /* dongle down */ | |
5628 | brcmf_abort_scanning(cfg); | |
5629 | brcmf_deinit_priv_mem(cfg); | |
5630 | } | |
5631 | ||
5632 | static void init_vif_event(struct brcmf_cfg80211_vif_event *event) | |
5633 | { | |
5634 | init_waitqueue_head(&event->vif_wq); | |
5635 | mutex_init(&event->vif_event_lock); | |
5636 | } | |
5637 | ||
5638 | static s32 brcmf_dongle_roam(struct brcmf_if *ifp) | |
5639 | { | |
5640 | s32 err; | |
5641 | u32 bcn_timeout; | |
5642 | __le32 roamtrigger[2]; | |
5643 | __le32 roam_delta[2]; | |
5644 | ||
5645 | /* Configure beacon timeout value based upon roaming setting */ | |
5646 | if (ifp->drvr->settings->roamoff) | |
5647 | bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF; | |
5648 | else | |
5649 | bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON; | |
5650 | err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout); | |
5651 | if (err) { | |
5652 | brcmf_err("bcn_timeout error (%d)\n", err); | |
5653 | goto roam_setup_done; | |
5654 | } | |
5655 | ||
5656 | /* Enable/Disable built-in roaming to allow supplicant to take care of | |
5657 | * roaming. | |
5658 | */ | |
5659 | brcmf_dbg(INFO, "Internal Roaming = %s\n", | |
5660 | ifp->drvr->settings->roamoff ? "Off" : "On"); | |
5661 | err = brcmf_fil_iovar_int_set(ifp, "roam_off", | |
5662 | ifp->drvr->settings->roamoff); | |
5663 | if (err) { | |
5664 | brcmf_err("roam_off error (%d)\n", err); | |
5665 | goto roam_setup_done; | |
5666 | } | |
5667 | ||
5668 | roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); | |
5669 | roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); | |
5670 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER, | |
5671 | (void *)roamtrigger, sizeof(roamtrigger)); | |
5672 | if (err) { | |
5673 | brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err); | |
5674 | goto roam_setup_done; | |
5675 | } | |
5676 | ||
5677 | roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); | |
5678 | roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); | |
5679 | err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA, | |
5680 | (void *)roam_delta, sizeof(roam_delta)); | |
5681 | if (err) { | |
5682 | brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err); | |
5683 | goto roam_setup_done; | |
5684 | } | |
5685 | ||
5686 | roam_setup_done: | |
5687 | return err; | |
5688 | } | |
5689 | ||
5690 | static s32 | |
5691 | brcmf_dongle_scantime(struct brcmf_if *ifp) | |
5692 | { | |
5693 | s32 err = 0; | |
5694 | ||
5695 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, | |
5696 | BRCMF_SCAN_CHANNEL_TIME); | |
5697 | if (err) { | |
5698 | brcmf_err("Scan assoc time error (%d)\n", err); | |
5699 | goto dongle_scantime_out; | |
5700 | } | |
5701 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME, | |
5702 | BRCMF_SCAN_UNASSOC_TIME); | |
5703 | if (err) { | |
5704 | brcmf_err("Scan unassoc time error (%d)\n", err); | |
5705 | goto dongle_scantime_out; | |
5706 | } | |
5707 | ||
5708 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME, | |
5709 | BRCMF_SCAN_PASSIVE_TIME); | |
5710 | if (err) { | |
5711 | brcmf_err("Scan passive time error (%d)\n", err); | |
5712 | goto dongle_scantime_out; | |
5713 | } | |
5714 | ||
5715 | dongle_scantime_out: | |
5716 | return err; | |
5717 | } | |
5718 | ||
5719 | static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel, | |
5720 | struct brcmu_chan *ch) | |
5721 | { | |
5722 | u32 ht40_flag; | |
5723 | ||
5724 | ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40; | |
5725 | if (ch->sb == BRCMU_CHAN_SB_U) { | |
5726 | if (ht40_flag == IEEE80211_CHAN_NO_HT40) | |
5727 | channel->flags &= ~IEEE80211_CHAN_NO_HT40; | |
5728 | channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; | |
5729 | } else { | |
5730 | /* It should be one of | |
5731 | * IEEE80211_CHAN_NO_HT40 or | |
5732 | * IEEE80211_CHAN_NO_HT40PLUS | |
5733 | */ | |
5734 | channel->flags &= ~IEEE80211_CHAN_NO_HT40; | |
5735 | if (ht40_flag == IEEE80211_CHAN_NO_HT40) | |
5736 | channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; | |
5737 | } | |
5738 | } | |
5739 | ||
5740 | static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, | |
5741 | u32 bw_cap[]) | |
5742 | { | |
5743 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); | |
5744 | struct ieee80211_supported_band *band; | |
5745 | struct ieee80211_channel *channel; | |
5746 | struct wiphy *wiphy; | |
5747 | struct brcmf_chanspec_list *list; | |
5748 | struct brcmu_chan ch; | |
5749 | int err; | |
5750 | u8 *pbuf; | |
5751 | u32 i, j; | |
5752 | u32 total; | |
5753 | u32 chaninfo; | |
5754 | u32 index; | |
5755 | ||
5756 | pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); | |
5757 | ||
5758 | if (pbuf == NULL) | |
5759 | return -ENOMEM; | |
5760 | ||
5761 | list = (struct brcmf_chanspec_list *)pbuf; | |
5762 | ||
5763 | err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, | |
5764 | BRCMF_DCMD_MEDLEN); | |
5765 | if (err) { | |
5766 | brcmf_err("get chanspecs error (%d)\n", err); | |
5767 | goto fail_pbuf; | |
5768 | } | |
5769 | ||
5770 | wiphy = cfg_to_wiphy(cfg); | |
5771 | band = wiphy->bands[NL80211_BAND_2GHZ]; | |
5772 | if (band) | |
5773 | for (i = 0; i < band->n_channels; i++) | |
5774 | band->channels[i].flags = IEEE80211_CHAN_DISABLED; | |
5775 | band = wiphy->bands[NL80211_BAND_5GHZ]; | |
5776 | if (band) | |
5777 | for (i = 0; i < band->n_channels; i++) | |
5778 | band->channels[i].flags = IEEE80211_CHAN_DISABLED; | |
5779 | ||
5780 | total = le32_to_cpu(list->count); | |
5781 | for (i = 0; i < total; i++) { | |
5782 | ch.chspec = (u16)le32_to_cpu(list->element[i]); | |
5783 | cfg->d11inf.decchspec(&ch); | |
5784 | ||
5785 | if (ch.band == BRCMU_CHAN_BAND_2G) { | |
5786 | band = wiphy->bands[NL80211_BAND_2GHZ]; | |
5787 | } else if (ch.band == BRCMU_CHAN_BAND_5G) { | |
5788 | band = wiphy->bands[NL80211_BAND_5GHZ]; | |
5789 | } else { | |
5790 | brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec); | |
5791 | continue; | |
5792 | } | |
5793 | if (!band) | |
5794 | continue; | |
5795 | if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) && | |
5796 | ch.bw == BRCMU_CHAN_BW_40) | |
5797 | continue; | |
5798 | if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) && | |
5799 | ch.bw == BRCMU_CHAN_BW_80) | |
5800 | continue; | |
5801 | ||
5802 | channel = band->channels; | |
5803 | index = band->n_channels; | |
5804 | for (j = 0; j < band->n_channels; j++) { | |
5805 | if (channel[j].hw_value == ch.chnum) { | |
5806 | index = j; | |
5807 | break; | |
5808 | } | |
5809 | } | |
5810 | channel[index].center_freq = | |
5811 | ieee80211_channel_to_frequency(ch.chnum, band->band); | |
5812 | channel[index].hw_value = ch.chnum; | |
5813 | ||
5814 | /* assuming the chanspecs order is HT20, | |
5815 | * HT40 upper, HT40 lower, and VHT80. | |
5816 | */ | |
5817 | if (ch.bw == BRCMU_CHAN_BW_80) { | |
5818 | channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ; | |
5819 | } else if (ch.bw == BRCMU_CHAN_BW_40) { | |
5820 | brcmf_update_bw40_channel_flag(&channel[index], &ch); | |
5821 | } else { | |
5822 | /* enable the channel and disable other bandwidths | |
5823 | * for now as mentioned order assure they are enabled | |
5824 | * for subsequent chanspecs. | |
5825 | */ | |
5826 | channel[index].flags = IEEE80211_CHAN_NO_HT40 | | |
5827 | IEEE80211_CHAN_NO_80MHZ; | |
5828 | ch.bw = BRCMU_CHAN_BW_20; | |
5829 | cfg->d11inf.encchspec(&ch); | |
5830 | chaninfo = ch.chspec; | |
5831 | err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info", | |
5832 | &chaninfo); | |
5833 | if (!err) { | |
5834 | if (chaninfo & WL_CHAN_RADAR) | |
5835 | channel[index].flags |= | |
5836 | (IEEE80211_CHAN_RADAR | | |
5837 | IEEE80211_CHAN_NO_IR); | |
5838 | if (chaninfo & WL_CHAN_PASSIVE) | |
5839 | channel[index].flags |= | |
5840 | IEEE80211_CHAN_NO_IR; | |
5841 | } | |
5842 | } | |
5843 | } | |
5844 | ||
5845 | fail_pbuf: | |
5846 | kfree(pbuf); | |
5847 | return err; | |
5848 | } | |
5849 | ||
5850 | static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg) | |
5851 | { | |
5852 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); | |
5853 | struct ieee80211_supported_band *band; | |
5854 | struct brcmf_fil_bwcap_le band_bwcap; | |
5855 | struct brcmf_chanspec_list *list; | |
5856 | u8 *pbuf; | |
5857 | u32 val; | |
5858 | int err; | |
5859 | struct brcmu_chan ch; | |
5860 | u32 num_chan; | |
5861 | int i, j; | |
5862 | ||
5863 | /* verify support for bw_cap command */ | |
5864 | val = WLC_BAND_5G; | |
5865 | err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); | |
5866 | ||
5867 | if (!err) { | |
5868 | /* only set 2G bandwidth using bw_cap command */ | |
5869 | band_bwcap.band = cpu_to_le32(WLC_BAND_2G); | |
5870 | band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ); | |
5871 | err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, | |
5872 | sizeof(band_bwcap)); | |
5873 | } else { | |
5874 | brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); | |
5875 | val = WLC_N_BW_40ALL; | |
5876 | err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); | |
5877 | } | |
5878 | ||
5879 | if (!err) { | |
5880 | /* update channel info in 2G band */ | |
5881 | pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); | |
5882 | ||
5883 | if (pbuf == NULL) | |
5884 | return -ENOMEM; | |
5885 | ||
5886 | ch.band = BRCMU_CHAN_BAND_2G; | |
5887 | ch.bw = BRCMU_CHAN_BW_40; | |
5888 | ch.sb = BRCMU_CHAN_SB_NONE; | |
5889 | ch.chnum = 0; | |
5890 | cfg->d11inf.encchspec(&ch); | |
5891 | ||
5892 | /* pass encoded chanspec in query */ | |
5893 | *(__le16 *)pbuf = cpu_to_le16(ch.chspec); | |
5894 | ||
5895 | err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, | |
5896 | BRCMF_DCMD_MEDLEN); | |
5897 | if (err) { | |
5898 | brcmf_err("get chanspecs error (%d)\n", err); | |
5899 | kfree(pbuf); | |
5900 | return err; | |
5901 | } | |
5902 | ||
5903 | band = cfg_to_wiphy(cfg)->bands[NL80211_BAND_2GHZ]; | |
5904 | list = (struct brcmf_chanspec_list *)pbuf; | |
5905 | num_chan = le32_to_cpu(list->count); | |
5906 | for (i = 0; i < num_chan; i++) { | |
5907 | ch.chspec = (u16)le32_to_cpu(list->element[i]); | |
5908 | cfg->d11inf.decchspec(&ch); | |
5909 | if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G)) | |
5910 | continue; | |
5911 | if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40)) | |
5912 | continue; | |
5913 | for (j = 0; j < band->n_channels; j++) { | |
5914 | if (band->channels[j].hw_value == ch.chnum) | |
5915 | break; | |
5916 | } | |
5917 | if (WARN_ON(j == band->n_channels)) | |
5918 | continue; | |
5919 | ||
5920 | brcmf_update_bw40_channel_flag(&band->channels[j], &ch); | |
5921 | } | |
5922 | kfree(pbuf); | |
5923 | } | |
5924 | return err; | |
5925 | } | |
5926 | ||
5927 | static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[]) | |
5928 | { | |
5929 | u32 band, mimo_bwcap; | |
5930 | int err; | |
5931 | ||
5932 | band = WLC_BAND_2G; | |
5933 | err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); | |
5934 | if (!err) { | |
5935 | bw_cap[NL80211_BAND_2GHZ] = band; | |
5936 | band = WLC_BAND_5G; | |
5937 | err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); | |
5938 | if (!err) { | |
5939 | bw_cap[NL80211_BAND_5GHZ] = band; | |
5940 | return; | |
5941 | } | |
5942 | WARN_ON(1); | |
5943 | return; | |
5944 | } | |
5945 | brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n"); | |
5946 | mimo_bwcap = 0; | |
5947 | err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap); | |
5948 | if (err) | |
5949 | /* assume 20MHz if firmware does not give a clue */ | |
5950 | mimo_bwcap = WLC_N_BW_20ALL; | |
5951 | ||
5952 | switch (mimo_bwcap) { | |
5953 | case WLC_N_BW_40ALL: | |
5954 | bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT; | |
5955 | /* fall-thru */ | |
5956 | case WLC_N_BW_20IN2G_40IN5G: | |
5957 | bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT; | |
5958 | /* fall-thru */ | |
5959 | case WLC_N_BW_20ALL: | |
5960 | bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT; | |
5961 | bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT; | |
5962 | break; | |
5963 | default: | |
5964 | brcmf_err("invalid mimo_bw_cap value\n"); | |
5965 | } | |
5966 | } | |
5967 | ||
5968 | static void brcmf_update_ht_cap(struct ieee80211_supported_band *band, | |
5969 | u32 bw_cap[2], u32 nchain) | |
5970 | { | |
5971 | band->ht_cap.ht_supported = true; | |
5972 | if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) { | |
5973 | band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; | |
5974 | band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
5975 | } | |
5976 | band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; | |
5977 | band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; | |
5978 | band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
5979 | band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; | |
5980 | memset(band->ht_cap.mcs.rx_mask, 0xff, nchain); | |
5981 | band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
5982 | } | |
5983 | ||
5984 | static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp) | |
5985 | { | |
5986 | u16 mcs_map; | |
5987 | int i; | |
5988 | ||
5989 | for (i = 0, mcs_map = 0xFFFF; i < nchain; i++) | |
5990 | mcs_map = (mcs_map << 2) | supp; | |
5991 | ||
5992 | return cpu_to_le16(mcs_map); | |
5993 | } | |
5994 | ||
5995 | static void brcmf_update_vht_cap(struct ieee80211_supported_band *band, | |
5996 | u32 bw_cap[2], u32 nchain, u32 txstreams, | |
5997 | u32 txbf_bfe_cap, u32 txbf_bfr_cap) | |
5998 | { | |
5999 | __le16 mcs_map; | |
6000 | ||
6001 | /* not allowed in 2.4G band */ | |
6002 | if (band->band == NL80211_BAND_2GHZ) | |
6003 | return; | |
6004 | ||
6005 | band->vht_cap.vht_supported = true; | |
6006 | /* 80MHz is mandatory */ | |
6007 | band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80; | |
6008 | if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) { | |
6009 | band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; | |
6010 | band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160; | |
6011 | } | |
6012 | /* all support 256-QAM */ | |
6013 | mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9); | |
6014 | band->vht_cap.vht_mcs.rx_mcs_map = mcs_map; | |
6015 | band->vht_cap.vht_mcs.tx_mcs_map = mcs_map; | |
6016 | ||
6017 | /* Beamforming support information */ | |
6018 | if (txbf_bfe_cap & BRCMF_TXBF_SU_BFE_CAP) | |
6019 | band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; | |
6020 | if (txbf_bfe_cap & BRCMF_TXBF_MU_BFE_CAP) | |
6021 | band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE; | |
6022 | if (txbf_bfr_cap & BRCMF_TXBF_SU_BFR_CAP) | |
6023 | band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; | |
6024 | if (txbf_bfr_cap & BRCMF_TXBF_MU_BFR_CAP) | |
6025 | band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE; | |
6026 | ||
6027 | if ((txbf_bfe_cap || txbf_bfr_cap) && (txstreams > 1)) { | |
6028 | band->vht_cap.cap |= | |
6029 | (2 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); | |
6030 | band->vht_cap.cap |= ((txstreams - 1) << | |
6031 | IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT); | |
6032 | band->vht_cap.cap |= | |
6033 | IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB; | |
6034 | } | |
6035 | } | |
6036 | ||
6037 | static int brcmf_setup_wiphybands(struct wiphy *wiphy) | |
6038 | { | |
6039 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); | |
6040 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); | |
6041 | u32 nmode = 0; | |
6042 | u32 vhtmode = 0; | |
6043 | u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT }; | |
6044 | u32 rxchain; | |
6045 | u32 nchain; | |
6046 | int err; | |
6047 | s32 i; | |
6048 | struct ieee80211_supported_band *band; | |
6049 | u32 txstreams = 0; | |
6050 | u32 txbf_bfe_cap = 0; | |
6051 | u32 txbf_bfr_cap = 0; | |
6052 | ||
6053 | (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode); | |
6054 | err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode); | |
6055 | if (err) { | |
6056 | brcmf_err("nmode error (%d)\n", err); | |
6057 | } else { | |
6058 | brcmf_get_bwcap(ifp, bw_cap); | |
6059 | } | |
6060 | brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n", | |
6061 | nmode, vhtmode, bw_cap[NL80211_BAND_2GHZ], | |
6062 | bw_cap[NL80211_BAND_5GHZ]); | |
6063 | ||
6064 | err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain); | |
6065 | if (err) { | |
6066 | brcmf_err("rxchain error (%d)\n", err); | |
6067 | nchain = 1; | |
6068 | } else { | |
6069 | for (nchain = 0; rxchain; nchain++) | |
6070 | rxchain = rxchain & (rxchain - 1); | |
6071 | } | |
6072 | brcmf_dbg(INFO, "nchain=%d\n", nchain); | |
6073 | ||
6074 | err = brcmf_construct_chaninfo(cfg, bw_cap); | |
6075 | if (err) { | |
6076 | brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err); | |
6077 | return err; | |
6078 | } | |
6079 | ||
6080 | if (vhtmode) { | |
6081 | (void)brcmf_fil_iovar_int_get(ifp, "txstreams", &txstreams); | |
6082 | (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfe_cap", | |
6083 | &txbf_bfe_cap); | |
6084 | (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfr_cap", | |
6085 | &txbf_bfr_cap); | |
6086 | } | |
6087 | ||
6088 | wiphy = cfg_to_wiphy(cfg); | |
6089 | for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) { | |
6090 | band = wiphy->bands[i]; | |
6091 | if (band == NULL) | |
6092 | continue; | |
6093 | ||
6094 | if (nmode) | |
6095 | brcmf_update_ht_cap(band, bw_cap, nchain); | |
6096 | if (vhtmode) | |
6097 | brcmf_update_vht_cap(band, bw_cap, nchain, txstreams, | |
6098 | txbf_bfe_cap, txbf_bfr_cap); | |
6099 | } | |
6100 | ||
6101 | return 0; | |
6102 | } | |
6103 | ||
6104 | static const struct ieee80211_txrx_stypes | |
6105 | brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { | |
6106 | [NL80211_IFTYPE_STATION] = { | |
6107 | .tx = 0xffff, | |
6108 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
6109 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
6110 | }, | |
6111 | [NL80211_IFTYPE_P2P_CLIENT] = { | |
6112 | .tx = 0xffff, | |
6113 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
6114 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
6115 | }, | |
6116 | [NL80211_IFTYPE_P2P_GO] = { | |
6117 | .tx = 0xffff, | |
6118 | .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | | |
6119 | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | | |
6120 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | | |
6121 | BIT(IEEE80211_STYPE_DISASSOC >> 4) | | |
6122 | BIT(IEEE80211_STYPE_AUTH >> 4) | | |
6123 | BIT(IEEE80211_STYPE_DEAUTH >> 4) | | |
6124 | BIT(IEEE80211_STYPE_ACTION >> 4) | |
6125 | }, | |
6126 | [NL80211_IFTYPE_P2P_DEVICE] = { | |
6127 | .tx = 0xffff, | |
6128 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
6129 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
6130 | } | |
6131 | }; | |
6132 | ||
6133 | /** | |
6134 | * brcmf_setup_ifmodes() - determine interface modes and combinations. | |
6135 | * | |
6136 | * @wiphy: wiphy object. | |
6137 | * @ifp: interface object needed for feat module api. | |
6138 | * | |
6139 | * The interface modes and combinations are determined dynamically here | |
6140 | * based on firmware functionality. | |
6141 | * | |
6142 | * no p2p and no mbss: | |
6143 | * | |
6144 | * #STA <= 1, #AP <= 1, channels = 1, 2 total | |
6145 | * | |
6146 | * no p2p and mbss: | |
6147 | * | |
6148 | * #STA <= 1, #AP <= 1, channels = 1, 2 total | |
6149 | * #AP <= 4, matching BI, channels = 1, 4 total | |
6150 | * | |
6151 | * p2p, no mchan, and mbss: | |
6152 | * | |
6153 | * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total | |
6154 | * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total | |
6155 | * #AP <= 4, matching BI, channels = 1, 4 total | |
6156 | * | |
6157 | * p2p, mchan, and mbss: | |
6158 | * | |
6159 | * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total | |
6160 | * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total | |
6161 | * #AP <= 4, matching BI, channels = 1, 4 total | |
6162 | */ | |
6163 | static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) | |
6164 | { | |
6165 | struct ieee80211_iface_combination *combo = NULL; | |
6166 | struct ieee80211_iface_limit *c0_limits = NULL; | |
6167 | struct ieee80211_iface_limit *p2p_limits = NULL; | |
6168 | struct ieee80211_iface_limit *mbss_limits = NULL; | |
6169 | bool mbss, p2p; | |
6170 | int i, c, n_combos; | |
6171 | ||
6172 | mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS); | |
6173 | p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P); | |
6174 | ||
6175 | n_combos = 1 + !!p2p + !!mbss; | |
6176 | combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL); | |
6177 | if (!combo) | |
6178 | goto err; | |
6179 | ||
6180 | c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL); | |
6181 | if (!c0_limits) | |
6182 | goto err; | |
6183 | ||
6184 | if (p2p) { | |
6185 | p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL); | |
6186 | if (!p2p_limits) | |
6187 | goto err; | |
6188 | } | |
6189 | ||
6190 | if (mbss) { | |
6191 | mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL); | |
6192 | if (!mbss_limits) | |
6193 | goto err; | |
6194 | } | |
6195 | ||
6196 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
6197 | BIT(NL80211_IFTYPE_ADHOC) | | |
6198 | BIT(NL80211_IFTYPE_AP); | |
6199 | ||
6200 | c = 0; | |
6201 | i = 0; | |
6202 | combo[c].num_different_channels = 1; | |
6203 | c0_limits[i].max = 1; | |
6204 | c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION); | |
6205 | if (p2p) { | |
6206 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)) | |
6207 | combo[c].num_different_channels = 2; | |
6208 | wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
6209 | BIT(NL80211_IFTYPE_P2P_GO) | | |
6210 | BIT(NL80211_IFTYPE_P2P_DEVICE); | |
6211 | c0_limits[i].max = 1; | |
6212 | c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); | |
6213 | c0_limits[i].max = 1; | |
6214 | c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
6215 | BIT(NL80211_IFTYPE_P2P_GO); | |
6216 | } else { | |
6217 | c0_limits[i].max = 1; | |
6218 | c0_limits[i++].types = BIT(NL80211_IFTYPE_AP); | |
6219 | } | |
6220 | combo[c].max_interfaces = i; | |
6221 | combo[c].n_limits = i; | |
6222 | combo[c].limits = c0_limits; | |
6223 | ||
6224 | if (p2p) { | |
6225 | c++; | |
6226 | i = 0; | |
6227 | combo[c].num_different_channels = 1; | |
6228 | p2p_limits[i].max = 1; | |
6229 | p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION); | |
6230 | p2p_limits[i].max = 1; | |
6231 | p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP); | |
6232 | p2p_limits[i].max = 1; | |
6233 | p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT); | |
6234 | p2p_limits[i].max = 1; | |
6235 | p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); | |
6236 | combo[c].max_interfaces = i; | |
6237 | combo[c].n_limits = i; | |
6238 | combo[c].limits = p2p_limits; | |
6239 | } | |
6240 | ||
6241 | if (mbss) { | |
6242 | c++; | |
6243 | combo[c].beacon_int_infra_match = true; | |
6244 | combo[c].num_different_channels = 1; | |
6245 | mbss_limits[0].max = 4; | |
6246 | mbss_limits[0].types = BIT(NL80211_IFTYPE_AP); | |
6247 | combo[c].max_interfaces = 4; | |
6248 | combo[c].n_limits = 1; | |
6249 | combo[c].limits = mbss_limits; | |
6250 | } | |
6251 | wiphy->n_iface_combinations = n_combos; | |
6252 | wiphy->iface_combinations = combo; | |
6253 | return 0; | |
6254 | ||
6255 | err: | |
6256 | kfree(c0_limits); | |
6257 | kfree(p2p_limits); | |
6258 | kfree(mbss_limits); | |
6259 | kfree(combo); | |
6260 | return -ENOMEM; | |
6261 | } | |
6262 | ||
6263 | static void brcmf_wiphy_pno_params(struct wiphy *wiphy) | |
6264 | { | |
6265 | /* scheduled scan settings */ | |
6266 | wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; | |
6267 | wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; | |
6268 | wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; | |
6269 | wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; | |
6270 | } | |
6271 | ||
6272 | #ifdef CONFIG_PM | |
6273 | static struct wiphy_wowlan_support brcmf_wowlan_support = { | |
6274 | .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT, | |
6275 | .n_patterns = BRCMF_WOWL_MAXPATTERNS, | |
6276 | .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE, | |
6277 | .pattern_min_len = 1, | |
6278 | .max_pkt_offset = 1500, | |
6279 | }; | |
6280 | #endif | |
6281 | ||
6282 | static void brcmf_wiphy_wowl_params(struct wiphy *wiphy, struct brcmf_if *ifp) | |
6283 | { | |
6284 | #ifdef CONFIG_PM | |
6285 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); | |
6286 | ||
6287 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) { | |
6288 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ND)) { | |
6289 | brcmf_wowlan_support.flags |= WIPHY_WOWLAN_NET_DETECT; | |
6290 | init_waitqueue_head(&cfg->wowl.nd_data_wait); | |
6291 | } | |
6292 | } | |
6293 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) { | |
6294 | brcmf_wowlan_support.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY; | |
6295 | brcmf_wowlan_support.flags |= WIPHY_WOWLAN_GTK_REKEY_FAILURE; | |
6296 | } | |
6297 | ||
6298 | wiphy->wowlan = &brcmf_wowlan_support; | |
6299 | #endif | |
6300 | } | |
6301 | ||
6302 | static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp) | |
6303 | { | |
6304 | struct brcmf_pub *drvr = ifp->drvr; | |
6305 | const struct ieee80211_iface_combination *combo; | |
6306 | struct ieee80211_supported_band *band; | |
6307 | u16 max_interfaces = 0; | |
6308 | __le32 bandlist[3]; | |
6309 | u32 n_bands; | |
6310 | int err, i; | |
6311 | ||
6312 | wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; | |
6313 | wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; | |
6314 | wiphy->max_num_pmkids = BRCMF_MAXPMKID; | |
6315 | ||
6316 | err = brcmf_setup_ifmodes(wiphy, ifp); | |
6317 | if (err) | |
6318 | return err; | |
6319 | ||
6320 | for (i = 0, combo = wiphy->iface_combinations; | |
6321 | i < wiphy->n_iface_combinations; i++, combo++) { | |
6322 | max_interfaces = max(max_interfaces, combo->max_interfaces); | |
6323 | } | |
6324 | ||
6325 | for (i = 0; i < max_interfaces && i < ARRAY_SIZE(drvr->addresses); | |
6326 | i++) { | |
6327 | u8 *addr = drvr->addresses[i].addr; | |
6328 | ||
6329 | memcpy(addr, drvr->mac, ETH_ALEN); | |
6330 | if (i) { | |
6331 | addr[0] |= BIT(1); | |
6332 | addr[ETH_ALEN - 1] ^= i; | |
6333 | } | |
6334 | } | |
6335 | wiphy->addresses = drvr->addresses; | |
6336 | wiphy->n_addresses = i; | |
6337 | ||
6338 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
6339 | wiphy->cipher_suites = brcmf_cipher_suites; | |
6340 | wiphy->n_cipher_suites = ARRAY_SIZE(brcmf_cipher_suites); | |
6341 | if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) | |
6342 | wiphy->n_cipher_suites--; | |
6343 | wiphy->bss_select_support = BIT(NL80211_BSS_SELECT_ATTR_RSSI) | | |
6344 | BIT(NL80211_BSS_SELECT_ATTR_BAND_PREF) | | |
6345 | BIT(NL80211_BSS_SELECT_ATTR_RSSI_ADJUST); | |
6346 | ||
6347 | wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | | |
6348 | WIPHY_FLAG_OFFCHAN_TX | | |
6349 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; | |
6350 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) | |
6351 | wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; | |
6352 | if (!ifp->drvr->settings->roamoff) | |
6353 | wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; | |
6354 | wiphy->mgmt_stypes = brcmf_txrx_stypes; | |
6355 | wiphy->max_remain_on_channel_duration = 5000; | |
6356 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) | |
6357 | brcmf_wiphy_pno_params(wiphy); | |
6358 | ||
6359 | /* vendor commands/events support */ | |
6360 | wiphy->vendor_commands = brcmf_vendor_cmds; | |
6361 | wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1; | |
6362 | ||
6363 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL)) | |
6364 | brcmf_wiphy_wowl_params(wiphy, ifp); | |
6365 | err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, &bandlist, | |
6366 | sizeof(bandlist)); | |
6367 | if (err) { | |
6368 | brcmf_err("could not obtain band info: err=%d\n", err); | |
6369 | return err; | |
6370 | } | |
6371 | /* first entry in bandlist is number of bands */ | |
6372 | n_bands = le32_to_cpu(bandlist[0]); | |
6373 | for (i = 1; i <= n_bands && i < ARRAY_SIZE(bandlist); i++) { | |
6374 | if (bandlist[i] == cpu_to_le32(WLC_BAND_2G)) { | |
6375 | band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz), | |
6376 | GFP_KERNEL); | |
6377 | if (!band) | |
6378 | return -ENOMEM; | |
6379 | ||
6380 | band->channels = kmemdup(&__wl_2ghz_channels, | |
6381 | sizeof(__wl_2ghz_channels), | |
6382 | GFP_KERNEL); | |
6383 | if (!band->channels) { | |
6384 | kfree(band); | |
6385 | return -ENOMEM; | |
6386 | } | |
6387 | ||
6388 | band->n_channels = ARRAY_SIZE(__wl_2ghz_channels); | |
6389 | wiphy->bands[NL80211_BAND_2GHZ] = band; | |
6390 | } | |
6391 | if (bandlist[i] == cpu_to_le32(WLC_BAND_5G)) { | |
6392 | band = kmemdup(&__wl_band_5ghz, sizeof(__wl_band_5ghz), | |
6393 | GFP_KERNEL); | |
6394 | if (!band) | |
6395 | return -ENOMEM; | |
6396 | ||
6397 | band->channels = kmemdup(&__wl_5ghz_channels, | |
6398 | sizeof(__wl_5ghz_channels), | |
6399 | GFP_KERNEL); | |
6400 | if (!band->channels) { | |
6401 | kfree(band); | |
6402 | return -ENOMEM; | |
6403 | } | |
6404 | ||
6405 | band->n_channels = ARRAY_SIZE(__wl_5ghz_channels); | |
6406 | wiphy->bands[NL80211_BAND_5GHZ] = band; | |
6407 | } | |
6408 | } | |
6409 | err = brcmf_setup_wiphybands(wiphy); | |
6410 | return err; | |
6411 | } | |
6412 | ||
6413 | static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) | |
6414 | { | |
6415 | struct net_device *ndev; | |
6416 | struct wireless_dev *wdev; | |
6417 | struct brcmf_if *ifp; | |
6418 | s32 power_mode; | |
6419 | s32 err = 0; | |
6420 | ||
6421 | if (cfg->dongle_up) | |
6422 | return err; | |
6423 | ||
6424 | ndev = cfg_to_ndev(cfg); | |
6425 | wdev = ndev->ieee80211_ptr; | |
6426 | ifp = netdev_priv(ndev); | |
6427 | ||
6428 | /* make sure RF is ready for work */ | |
6429 | brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); | |
6430 | ||
6431 | brcmf_dongle_scantime(ifp); | |
6432 | ||
6433 | power_mode = cfg->pwr_save ? PM_FAST : PM_OFF; | |
6434 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode); | |
6435 | if (err) | |
6436 | goto default_conf_out; | |
6437 | brcmf_dbg(INFO, "power save set to %s\n", | |
6438 | (power_mode ? "enabled" : "disabled")); | |
6439 | ||
6440 | err = brcmf_dongle_roam(ifp); | |
6441 | if (err) | |
6442 | goto default_conf_out; | |
6443 | err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype, | |
6444 | NULL, NULL); | |
6445 | if (err) | |
6446 | goto default_conf_out; | |
6447 | ||
6448 | brcmf_configure_arp_nd_offload(ifp, true); | |
6449 | ||
6450 | cfg->dongle_up = true; | |
6451 | default_conf_out: | |
6452 | ||
6453 | return err; | |
6454 | ||
6455 | } | |
6456 | ||
6457 | static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp) | |
6458 | { | |
6459 | set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); | |
6460 | ||
6461 | return brcmf_config_dongle(ifp->drvr->config); | |
6462 | } | |
6463 | ||
6464 | static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp) | |
6465 | { | |
6466 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
6467 | ||
6468 | /* | |
6469 | * While going down, if associated with AP disassociate | |
6470 | * from AP to save power | |
6471 | */ | |
6472 | if (check_vif_up(ifp->vif)) { | |
6473 | brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED); | |
6474 | ||
6475 | /* Make sure WPA_Supplicant receives all the event | |
6476 | generated due to DISASSOC call to the fw to keep | |
6477 | the state fw and WPA_Supplicant state consistent | |
6478 | */ | |
6479 | brcmf_delay(500); | |
6480 | } | |
6481 | ||
6482 | brcmf_abort_scanning(cfg); | |
6483 | clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); | |
6484 | ||
6485 | return 0; | |
6486 | } | |
6487 | ||
6488 | s32 brcmf_cfg80211_up(struct net_device *ndev) | |
6489 | { | |
6490 | struct brcmf_if *ifp = netdev_priv(ndev); | |
6491 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
6492 | s32 err = 0; | |
6493 | ||
6494 | mutex_lock(&cfg->usr_sync); | |
6495 | err = __brcmf_cfg80211_up(ifp); | |
6496 | mutex_unlock(&cfg->usr_sync); | |
6497 | ||
6498 | return err; | |
6499 | } | |
6500 | ||
6501 | s32 brcmf_cfg80211_down(struct net_device *ndev) | |
6502 | { | |
6503 | struct brcmf_if *ifp = netdev_priv(ndev); | |
6504 | struct brcmf_cfg80211_info *cfg = ifp->drvr->config; | |
6505 | s32 err = 0; | |
6506 | ||
6507 | mutex_lock(&cfg->usr_sync); | |
6508 | err = __brcmf_cfg80211_down(ifp); | |
6509 | mutex_unlock(&cfg->usr_sync); | |
6510 | ||
6511 | return err; | |
6512 | } | |
6513 | ||
6514 | enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp) | |
6515 | { | |
6516 | struct wireless_dev *wdev = &ifp->vif->wdev; | |
6517 | ||
6518 | return wdev->iftype; | |
6519 | } | |
6520 | ||
6521 | bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, | |
6522 | unsigned long state) | |
6523 | { | |
6524 | struct brcmf_cfg80211_vif *vif; | |
6525 | ||
6526 | list_for_each_entry(vif, &cfg->vif_list, list) { | |
6527 | if (test_bit(state, &vif->sme_state)) | |
6528 | return true; | |
6529 | } | |
6530 | return false; | |
6531 | } | |
6532 | ||
6533 | static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, | |
6534 | u8 action) | |
6535 | { | |
6536 | u8 evt_action; | |
6537 | ||
6538 | mutex_lock(&event->vif_event_lock); | |
6539 | evt_action = event->action; | |
6540 | mutex_unlock(&event->vif_event_lock); | |
6541 | return evt_action == action; | |
6542 | } | |
6543 | ||
6544 | void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, | |
6545 | struct brcmf_cfg80211_vif *vif) | |
6546 | { | |
6547 | struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; | |
6548 | ||
6549 | mutex_lock(&event->vif_event_lock); | |
6550 | event->vif = vif; | |
6551 | event->action = 0; | |
6552 | mutex_unlock(&event->vif_event_lock); | |
6553 | } | |
6554 | ||
6555 | bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) | |
6556 | { | |
6557 | struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; | |
6558 | bool armed; | |
6559 | ||
6560 | mutex_lock(&event->vif_event_lock); | |
6561 | armed = event->vif != NULL; | |
6562 | mutex_unlock(&event->vif_event_lock); | |
6563 | ||
6564 | return armed; | |
6565 | } | |
6566 | ||
6567 | int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg, | |
6568 | u8 action, ulong timeout) | |
6569 | { | |
6570 | struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; | |
6571 | ||
6572 | return wait_event_timeout(event->vif_wq, | |
6573 | vif_event_equals(event, action), timeout); | |
6574 | } | |
6575 | ||
6576 | static s32 brcmf_translate_country_code(struct brcmf_pub *drvr, char alpha2[2], | |
6577 | struct brcmf_fil_country_le *ccreq) | |
6578 | { | |
6579 | struct brcmfmac_pd_cc *country_codes; | |
6580 | struct brcmfmac_pd_cc_entry *cc; | |
6581 | s32 found_index; | |
6582 | int i; | |
6583 | ||
6584 | country_codes = drvr->settings->country_codes; | |
6585 | if (!country_codes) { | |
6586 | brcmf_dbg(TRACE, "No country codes configured for device\n"); | |
6587 | return -EINVAL; | |
6588 | } | |
6589 | ||
6590 | if ((alpha2[0] == ccreq->country_abbrev[0]) && | |
6591 | (alpha2[1] == ccreq->country_abbrev[1])) { | |
6592 | brcmf_dbg(TRACE, "Country code already set\n"); | |
6593 | return -EAGAIN; | |
6594 | } | |
6595 | ||
6596 | found_index = -1; | |
6597 | for (i = 0; i < country_codes->table_size; i++) { | |
6598 | cc = &country_codes->table[i]; | |
6599 | if ((cc->iso3166[0] == '\0') && (found_index == -1)) | |
6600 | found_index = i; | |
6601 | if ((cc->iso3166[0] == alpha2[0]) && | |
6602 | (cc->iso3166[1] == alpha2[1])) { | |
6603 | found_index = i; | |
6604 | break; | |
6605 | } | |
6606 | } | |
6607 | if (found_index == -1) { | |
6608 | brcmf_dbg(TRACE, "No country code match found\n"); | |
6609 | return -EINVAL; | |
6610 | } | |
6611 | memset(ccreq, 0, sizeof(*ccreq)); | |
6612 | ccreq->rev = cpu_to_le32(country_codes->table[found_index].rev); | |
6613 | memcpy(ccreq->ccode, country_codes->table[found_index].cc, | |
6614 | BRCMF_COUNTRY_BUF_SZ); | |
6615 | ccreq->country_abbrev[0] = alpha2[0]; | |
6616 | ccreq->country_abbrev[1] = alpha2[1]; | |
6617 | ccreq->country_abbrev[2] = 0; | |
6618 | ||
6619 | return 0; | |
6620 | } | |
6621 | ||
6622 | static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy, | |
6623 | struct regulatory_request *req) | |
6624 | { | |
6625 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); | |
6626 | struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); | |
6627 | struct brcmf_fil_country_le ccreq; | |
6628 | s32 err; | |
6629 | int i; | |
6630 | ||
6631 | /* ignore non-ISO3166 country codes */ | |
6632 | for (i = 0; i < sizeof(req->alpha2); i++) | |
6633 | if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') { | |
6634 | brcmf_err("not a ISO3166 code (0x%02x 0x%02x)\n", | |
6635 | req->alpha2[0], req->alpha2[1]); | |
6636 | return; | |
6637 | } | |
6638 | ||
6639 | brcmf_dbg(TRACE, "Enter: initiator=%d, alpha=%c%c\n", req->initiator, | |
6640 | req->alpha2[0], req->alpha2[1]); | |
6641 | ||
6642 | err = brcmf_fil_iovar_data_get(ifp, "country", &ccreq, sizeof(ccreq)); | |
6643 | if (err) { | |
6644 | brcmf_err("Country code iovar returned err = %d\n", err); | |
6645 | return; | |
6646 | } | |
6647 | ||
6648 | err = brcmf_translate_country_code(ifp->drvr, req->alpha2, &ccreq); | |
6649 | if (err) | |
6650 | return; | |
6651 | ||
6652 | err = brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq)); | |
6653 | if (err) { | |
6654 | brcmf_err("Firmware rejected country setting\n"); | |
6655 | return; | |
6656 | } | |
6657 | brcmf_setup_wiphybands(wiphy); | |
6658 | } | |
6659 | ||
6660 | static void brcmf_free_wiphy(struct wiphy *wiphy) | |
6661 | { | |
6662 | int i; | |
6663 | ||
6664 | if (!wiphy) | |
6665 | return; | |
6666 | ||
6667 | if (wiphy->iface_combinations) { | |
6668 | for (i = 0; i < wiphy->n_iface_combinations; i++) | |
6669 | kfree(wiphy->iface_combinations[i].limits); | |
6670 | } | |
6671 | kfree(wiphy->iface_combinations); | |
6672 | if (wiphy->bands[NL80211_BAND_2GHZ]) { | |
6673 | kfree(wiphy->bands[NL80211_BAND_2GHZ]->channels); | |
6674 | kfree(wiphy->bands[NL80211_BAND_2GHZ]); | |
6675 | } | |
6676 | if (wiphy->bands[NL80211_BAND_5GHZ]) { | |
6677 | kfree(wiphy->bands[NL80211_BAND_5GHZ]->channels); | |
6678 | kfree(wiphy->bands[NL80211_BAND_5GHZ]); | |
6679 | } | |
6680 | wiphy_free(wiphy); | |
6681 | } | |
6682 | ||
6683 | struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, | |
6684 | struct device *busdev, | |
6685 | bool p2pdev_forced) | |
6686 | { | |
6687 | struct net_device *ndev = brcmf_get_ifp(drvr, 0)->ndev; | |
6688 | struct brcmf_cfg80211_info *cfg; | |
6689 | struct wiphy *wiphy; | |
6690 | struct cfg80211_ops *ops; | |
6691 | struct brcmf_cfg80211_vif *vif; | |
6692 | struct brcmf_if *ifp; | |
6693 | s32 err = 0; | |
6694 | s32 io_type; | |
6695 | u16 *cap = NULL; | |
6696 | ||
6697 | if (!ndev) { | |
6698 | brcmf_err("ndev is invalid\n"); | |
6699 | return NULL; | |
6700 | } | |
6701 | ||
6702 | ops = kzalloc(sizeof(*ops), GFP_KERNEL); | |
6703 | if (!ops) | |
6704 | return NULL; | |
6705 | ||
6706 | memcpy(ops, &brcmf_cfg80211_ops, sizeof(*ops)); | |
6707 | ifp = netdev_priv(ndev); | |
6708 | #ifdef CONFIG_PM | |
6709 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) | |
6710 | ops->set_rekey_data = brcmf_cfg80211_set_rekey_data; | |
6711 | #endif | |
6712 | wiphy = wiphy_new(ops, sizeof(struct brcmf_cfg80211_info)); | |
6713 | if (!wiphy) { | |
6714 | brcmf_err("Could not allocate wiphy device\n"); | |
6715 | return NULL; | |
6716 | } | |
6717 | memcpy(wiphy->perm_addr, drvr->mac, ETH_ALEN); | |
6718 | set_wiphy_dev(wiphy, busdev); | |
6719 | ||
6720 | cfg = wiphy_priv(wiphy); | |
6721 | cfg->wiphy = wiphy; | |
6722 | cfg->ops = ops; | |
6723 | cfg->pub = drvr; | |
6724 | init_vif_event(&cfg->vif_event); | |
6725 | INIT_LIST_HEAD(&cfg->vif_list); | |
6726 | ||
6727 | vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false); | |
6728 | if (IS_ERR(vif)) | |
6729 | goto wiphy_out; | |
6730 | ||
6731 | vif->ifp = ifp; | |
6732 | vif->wdev.netdev = ndev; | |
6733 | ndev->ieee80211_ptr = &vif->wdev; | |
6734 | SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); | |
6735 | ||
6736 | err = wl_init_priv(cfg); | |
6737 | if (err) { | |
6738 | brcmf_err("Failed to init iwm_priv (%d)\n", err); | |
6739 | brcmf_free_vif(vif); | |
6740 | goto wiphy_out; | |
6741 | } | |
6742 | ifp->vif = vif; | |
6743 | ||
6744 | /* determine d11 io type before wiphy setup */ | |
6745 | err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type); | |
6746 | if (err) { | |
6747 | brcmf_err("Failed to get D11 version (%d)\n", err); | |
6748 | goto priv_out; | |
6749 | } | |
6750 | cfg->d11inf.io_type = (u8)io_type; | |
6751 | brcmu_d11_attach(&cfg->d11inf); | |
6752 | ||
6753 | err = brcmf_setup_wiphy(wiphy, ifp); | |
6754 | if (err < 0) | |
6755 | goto priv_out; | |
6756 | ||
6757 | brcmf_dbg(INFO, "Registering custom regulatory\n"); | |
6758 | wiphy->reg_notifier = brcmf_cfg80211_reg_notifier; | |
6759 | wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; | |
6760 | wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); | |
6761 | ||
6762 | /* firmware defaults to 40MHz disabled in 2G band. We signal | |
6763 | * cfg80211 here that we do and have it decide we can enable | |
6764 | * it. But first check if device does support 2G operation. | |
6765 | */ | |
6766 | if (wiphy->bands[NL80211_BAND_2GHZ]) { | |
6767 | cap = &wiphy->bands[NL80211_BAND_2GHZ]->ht_cap.cap; | |
6768 | *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
6769 | } | |
6770 | err = wiphy_register(wiphy); | |
6771 | if (err < 0) { | |
6772 | brcmf_err("Could not register wiphy device (%d)\n", err); | |
6773 | goto priv_out; | |
6774 | } | |
6775 | ||
6776 | /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(), | |
6777 | * setup 40MHz in 2GHz band and enable OBSS scanning. | |
6778 | */ | |
6779 | if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) { | |
6780 | err = brcmf_enable_bw40_2g(cfg); | |
6781 | if (!err) | |
6782 | err = brcmf_fil_iovar_int_set(ifp, "obss_coex", | |
6783 | BRCMF_OBSS_COEX_AUTO); | |
6784 | else | |
6785 | *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
6786 | } | |
6787 | /* p2p might require that "if-events" get processed by fweh. So | |
6788 | * activate the already registered event handlers now and activate | |
6789 | * the rest when initialization has completed. drvr->config needs to | |
6790 | * be assigned before activating events. | |
6791 | */ | |
6792 | drvr->config = cfg; | |
6793 | err = brcmf_fweh_activate_events(ifp); | |
6794 | if (err) { | |
6795 | brcmf_err("FWEH activation failed (%d)\n", err); | |
6796 | goto wiphy_unreg_out; | |
6797 | } | |
6798 | ||
6799 | err = brcmf_p2p_attach(cfg, p2pdev_forced); | |
6800 | if (err) { | |
6801 | brcmf_err("P2P initilisation failed (%d)\n", err); | |
6802 | goto wiphy_unreg_out; | |
6803 | } | |
6804 | err = brcmf_btcoex_attach(cfg); | |
6805 | if (err) { | |
6806 | brcmf_err("BT-coex initialisation failed (%d)\n", err); | |
6807 | brcmf_p2p_detach(&cfg->p2p); | |
6808 | goto wiphy_unreg_out; | |
6809 | } | |
6810 | ||
6811 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) { | |
6812 | err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); | |
6813 | if (err) { | |
6814 | brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err); | |
6815 | wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS; | |
6816 | } else { | |
6817 | brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT, | |
6818 | brcmf_notify_tdls_peer_event); | |
6819 | } | |
6820 | } | |
6821 | ||
6822 | /* (re-) activate FWEH event handling */ | |
6823 | err = brcmf_fweh_activate_events(ifp); | |
6824 | if (err) { | |
6825 | brcmf_err("FWEH activation failed (%d)\n", err); | |
6826 | goto wiphy_unreg_out; | |
6827 | } | |
6828 | ||
6829 | /* Fill in some of the advertised nl80211 supported features */ | |
6830 | if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_RANDOM_MAC)) { | |
6831 | wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
6832 | #ifdef CONFIG_PM | |
6833 | if (wiphy->wowlan && | |
6834 | wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT) | |
6835 | wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
6836 | #endif | |
6837 | } | |
6838 | ||
6839 | return cfg; | |
6840 | ||
6841 | wiphy_unreg_out: | |
6842 | wiphy_unregister(cfg->wiphy); | |
6843 | priv_out: | |
6844 | wl_deinit_priv(cfg); | |
6845 | brcmf_free_vif(vif); | |
6846 | ifp->vif = NULL; | |
6847 | wiphy_out: | |
6848 | brcmf_free_wiphy(wiphy); | |
6849 | kfree(ops); | |
6850 | return NULL; | |
6851 | } | |
6852 | ||
6853 | void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) | |
6854 | { | |
6855 | if (!cfg) | |
6856 | return; | |
6857 | ||
6858 | brcmf_btcoex_detach(cfg); | |
6859 | wiphy_unregister(cfg->wiphy); | |
6860 | kfree(cfg->ops); | |
6861 | wl_deinit_priv(cfg); | |
6862 | brcmf_free_wiphy(cfg->wiphy); | |
6863 | } |