Commit | Line | Data |
---|---|---|
5b435de0 AS |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ | |
18 | ||
02f77195 JP |
19 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
20 | ||
5b435de0 AS |
21 | #include <linux/kernel.h> |
22 | #include <linux/if_arp.h> | |
23 | #include <linux/sched.h> | |
24 | #include <linux/kthread.h> | |
25 | #include <linux/netdevice.h> | |
26 | #include <linux/bitops.h> | |
27 | #include <linux/etherdevice.h> | |
28 | #include <linux/ieee80211.h> | |
29 | #include <linux/uaccess.h> | |
30 | #include <net/cfg80211.h> | |
cbaa177d | 31 | #include <net/netlink.h> |
5b435de0 AS |
32 | |
33 | #include <brcmu_utils.h> | |
34 | #include <defs.h> | |
35 | #include <brcmu_wifi.h> | |
36 | #include "dhd.h" | |
37 | #include "wl_cfg80211.h" | |
38 | ||
e5806072 AS |
39 | #define BRCMF_SCAN_IE_LEN_MAX 2048 |
40 | #define BRCMF_PNO_VERSION 2 | |
41 | #define BRCMF_PNO_TIME 30 | |
42 | #define BRCMF_PNO_REPEAT 4 | |
43 | #define BRCMF_PNO_FREQ_EXPO_MAX 3 | |
44 | #define BRCMF_PNO_MAX_PFN_COUNT 16 | |
45 | #define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6 | |
46 | #define BRCMF_PNO_HIDDEN_BIT 2 | |
47 | #define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF | |
48 | #define BRCMF_PNO_SCAN_COMPLETE 1 | |
49 | #define BRCMF_PNO_SCAN_INCOMPLETE 0 | |
50 | ||
1a873342 | 51 | #define TLV_LEN_OFF 1 /* length offset */ |
04012895 | 52 | #define TLV_HDR_LEN 2 /* header length */ |
1a873342 HM |
53 | #define TLV_BODY_OFF 2 /* body offset */ |
54 | #define TLV_OUI_LEN 3 /* oui id length */ | |
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 | ||
60 | #define VS_IE_FIXED_HDR_LEN 6 | |
61 | #define WPA_IE_VERSION_LEN 2 | |
62 | #define WPA_IE_MIN_OUI_LEN 4 | |
63 | #define WPA_IE_SUITE_COUNT_LEN 2 | |
64 | ||
65 | #define WPA_CIPHER_NONE 0 /* None */ | |
66 | #define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */ | |
67 | #define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */ | |
68 | #define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */ | |
69 | #define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */ | |
70 | ||
71 | #define RSN_AKM_NONE 0 /* None (IBSS) */ | |
72 | #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */ | |
73 | #define RSN_AKM_PSK 2 /* Pre-shared Key */ | |
74 | #define RSN_CAP_LEN 2 /* Length of RSN capabilities */ | |
75 | #define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C | |
76 | ||
77 | #define VNDR_IE_CMD_LEN 4 /* length of the set command | |
78 | * string :"add", "del" (+ NUL) | |
79 | */ | |
80 | #define VNDR_IE_COUNT_OFFSET 4 | |
81 | #define VNDR_IE_PKTFLAG_OFFSET 8 | |
82 | #define VNDR_IE_VSIE_OFFSET 12 | |
83 | #define VNDR_IE_HDR_SIZE 12 | |
84 | #define VNDR_IE_BEACON_FLAG 0x1 | |
85 | #define VNDR_IE_PRBRSP_FLAG 0x2 | |
86 | #define MAX_VNDR_IE_NUMBER 5 | |
87 | ||
88 | #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */ | |
89 | #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */ | |
04012895 | 90 | |
5b435de0 AS |
91 | #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ |
92 | (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) | |
93 | ||
94 | static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255}; | |
95 | ||
96 | static u32 brcmf_dbg_level = WL_DBG_ERR; | |
97 | ||
5b435de0 AS |
98 | static bool check_sys_up(struct wiphy *wiphy) |
99 | { | |
27a68fe3 AS |
100 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
101 | if (!test_bit(WL_STATUS_READY, &cfg->status)) { | |
5b435de0 | 102 | WL_INFO("device is not ready : status (%d)\n", |
27a68fe3 | 103 | (int)cfg->status); |
5b435de0 AS |
104 | return false; |
105 | } | |
106 | return true; | |
107 | } | |
108 | ||
109 | #define CHAN2G(_channel, _freq, _flags) { \ | |
110 | .band = IEEE80211_BAND_2GHZ, \ | |
111 | .center_freq = (_freq), \ | |
112 | .hw_value = (_channel), \ | |
113 | .flags = (_flags), \ | |
114 | .max_antenna_gain = 0, \ | |
115 | .max_power = 30, \ | |
116 | } | |
117 | ||
118 | #define CHAN5G(_channel, _flags) { \ | |
119 | .band = IEEE80211_BAND_5GHZ, \ | |
120 | .center_freq = 5000 + (5 * (_channel)), \ | |
121 | .hw_value = (_channel), \ | |
122 | .flags = (_flags), \ | |
123 | .max_antenna_gain = 0, \ | |
124 | .max_power = 30, \ | |
125 | } | |
126 | ||
127 | #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) | |
128 | #define RATETAB_ENT(_rateid, _flags) \ | |
129 | { \ | |
130 | .bitrate = RATE_TO_BASE100KBPS(_rateid), \ | |
131 | .hw_value = (_rateid), \ | |
132 | .flags = (_flags), \ | |
133 | } | |
134 | ||
135 | static struct ieee80211_rate __wl_rates[] = { | |
136 | RATETAB_ENT(BRCM_RATE_1M, 0), | |
137 | RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), | |
138 | RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), | |
139 | RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), | |
140 | RATETAB_ENT(BRCM_RATE_6M, 0), | |
141 | RATETAB_ENT(BRCM_RATE_9M, 0), | |
142 | RATETAB_ENT(BRCM_RATE_12M, 0), | |
143 | RATETAB_ENT(BRCM_RATE_18M, 0), | |
144 | RATETAB_ENT(BRCM_RATE_24M, 0), | |
145 | RATETAB_ENT(BRCM_RATE_36M, 0), | |
146 | RATETAB_ENT(BRCM_RATE_48M, 0), | |
147 | RATETAB_ENT(BRCM_RATE_54M, 0), | |
148 | }; | |
149 | ||
150 | #define wl_a_rates (__wl_rates + 4) | |
151 | #define wl_a_rates_size 8 | |
152 | #define wl_g_rates (__wl_rates + 0) | |
153 | #define wl_g_rates_size 12 | |
154 | ||
155 | static struct ieee80211_channel __wl_2ghz_channels[] = { | |
156 | CHAN2G(1, 2412, 0), | |
157 | CHAN2G(2, 2417, 0), | |
158 | CHAN2G(3, 2422, 0), | |
159 | CHAN2G(4, 2427, 0), | |
160 | CHAN2G(5, 2432, 0), | |
161 | CHAN2G(6, 2437, 0), | |
162 | CHAN2G(7, 2442, 0), | |
163 | CHAN2G(8, 2447, 0), | |
164 | CHAN2G(9, 2452, 0), | |
165 | CHAN2G(10, 2457, 0), | |
166 | CHAN2G(11, 2462, 0), | |
167 | CHAN2G(12, 2467, 0), | |
168 | CHAN2G(13, 2472, 0), | |
169 | CHAN2G(14, 2484, 0), | |
170 | }; | |
171 | ||
172 | static struct ieee80211_channel __wl_5ghz_a_channels[] = { | |
173 | CHAN5G(34, 0), CHAN5G(36, 0), | |
174 | CHAN5G(38, 0), CHAN5G(40, 0), | |
175 | CHAN5G(42, 0), CHAN5G(44, 0), | |
176 | CHAN5G(46, 0), CHAN5G(48, 0), | |
177 | CHAN5G(52, 0), CHAN5G(56, 0), | |
178 | CHAN5G(60, 0), CHAN5G(64, 0), | |
179 | CHAN5G(100, 0), CHAN5G(104, 0), | |
180 | CHAN5G(108, 0), CHAN5G(112, 0), | |
181 | CHAN5G(116, 0), CHAN5G(120, 0), | |
182 | CHAN5G(124, 0), CHAN5G(128, 0), | |
183 | CHAN5G(132, 0), CHAN5G(136, 0), | |
184 | CHAN5G(140, 0), CHAN5G(149, 0), | |
185 | CHAN5G(153, 0), CHAN5G(157, 0), | |
186 | CHAN5G(161, 0), CHAN5G(165, 0), | |
187 | CHAN5G(184, 0), CHAN5G(188, 0), | |
188 | CHAN5G(192, 0), CHAN5G(196, 0), | |
189 | CHAN5G(200, 0), CHAN5G(204, 0), | |
190 | CHAN5G(208, 0), CHAN5G(212, 0), | |
191 | CHAN5G(216, 0), | |
192 | }; | |
193 | ||
194 | static struct ieee80211_channel __wl_5ghz_n_channels[] = { | |
195 | CHAN5G(32, 0), CHAN5G(34, 0), | |
196 | CHAN5G(36, 0), CHAN5G(38, 0), | |
197 | CHAN5G(40, 0), CHAN5G(42, 0), | |
198 | CHAN5G(44, 0), CHAN5G(46, 0), | |
199 | CHAN5G(48, 0), CHAN5G(50, 0), | |
200 | CHAN5G(52, 0), CHAN5G(54, 0), | |
201 | CHAN5G(56, 0), CHAN5G(58, 0), | |
202 | CHAN5G(60, 0), CHAN5G(62, 0), | |
203 | CHAN5G(64, 0), CHAN5G(66, 0), | |
204 | CHAN5G(68, 0), CHAN5G(70, 0), | |
205 | CHAN5G(72, 0), CHAN5G(74, 0), | |
206 | CHAN5G(76, 0), CHAN5G(78, 0), | |
207 | CHAN5G(80, 0), CHAN5G(82, 0), | |
208 | CHAN5G(84, 0), CHAN5G(86, 0), | |
209 | CHAN5G(88, 0), CHAN5G(90, 0), | |
210 | CHAN5G(92, 0), CHAN5G(94, 0), | |
211 | CHAN5G(96, 0), CHAN5G(98, 0), | |
212 | CHAN5G(100, 0), CHAN5G(102, 0), | |
213 | CHAN5G(104, 0), CHAN5G(106, 0), | |
214 | CHAN5G(108, 0), CHAN5G(110, 0), | |
215 | CHAN5G(112, 0), CHAN5G(114, 0), | |
216 | CHAN5G(116, 0), CHAN5G(118, 0), | |
217 | CHAN5G(120, 0), CHAN5G(122, 0), | |
218 | CHAN5G(124, 0), CHAN5G(126, 0), | |
219 | CHAN5G(128, 0), CHAN5G(130, 0), | |
220 | CHAN5G(132, 0), CHAN5G(134, 0), | |
221 | CHAN5G(136, 0), CHAN5G(138, 0), | |
222 | CHAN5G(140, 0), CHAN5G(142, 0), | |
223 | CHAN5G(144, 0), CHAN5G(145, 0), | |
224 | CHAN5G(146, 0), CHAN5G(147, 0), | |
225 | CHAN5G(148, 0), CHAN5G(149, 0), | |
226 | CHAN5G(150, 0), CHAN5G(151, 0), | |
227 | CHAN5G(152, 0), CHAN5G(153, 0), | |
228 | CHAN5G(154, 0), CHAN5G(155, 0), | |
229 | CHAN5G(156, 0), CHAN5G(157, 0), | |
230 | CHAN5G(158, 0), CHAN5G(159, 0), | |
231 | CHAN5G(160, 0), CHAN5G(161, 0), | |
232 | CHAN5G(162, 0), CHAN5G(163, 0), | |
233 | CHAN5G(164, 0), CHAN5G(165, 0), | |
234 | CHAN5G(166, 0), CHAN5G(168, 0), | |
235 | CHAN5G(170, 0), CHAN5G(172, 0), | |
236 | CHAN5G(174, 0), CHAN5G(176, 0), | |
237 | CHAN5G(178, 0), CHAN5G(180, 0), | |
238 | CHAN5G(182, 0), CHAN5G(184, 0), | |
239 | CHAN5G(186, 0), CHAN5G(188, 0), | |
240 | CHAN5G(190, 0), CHAN5G(192, 0), | |
241 | CHAN5G(194, 0), CHAN5G(196, 0), | |
242 | CHAN5G(198, 0), CHAN5G(200, 0), | |
243 | CHAN5G(202, 0), CHAN5G(204, 0), | |
244 | CHAN5G(206, 0), CHAN5G(208, 0), | |
245 | CHAN5G(210, 0), CHAN5G(212, 0), | |
246 | CHAN5G(214, 0), CHAN5G(216, 0), | |
247 | CHAN5G(218, 0), CHAN5G(220, 0), | |
248 | CHAN5G(222, 0), CHAN5G(224, 0), | |
249 | CHAN5G(226, 0), CHAN5G(228, 0), | |
250 | }; | |
251 | ||
252 | static struct ieee80211_supported_band __wl_band_2ghz = { | |
253 | .band = IEEE80211_BAND_2GHZ, | |
254 | .channels = __wl_2ghz_channels, | |
255 | .n_channels = ARRAY_SIZE(__wl_2ghz_channels), | |
256 | .bitrates = wl_g_rates, | |
257 | .n_bitrates = wl_g_rates_size, | |
258 | }; | |
259 | ||
260 | static struct ieee80211_supported_band __wl_band_5ghz_a = { | |
261 | .band = IEEE80211_BAND_5GHZ, | |
262 | .channels = __wl_5ghz_a_channels, | |
263 | .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels), | |
264 | .bitrates = wl_a_rates, | |
265 | .n_bitrates = wl_a_rates_size, | |
266 | }; | |
267 | ||
268 | static struct ieee80211_supported_band __wl_band_5ghz_n = { | |
269 | .band = IEEE80211_BAND_5GHZ, | |
270 | .channels = __wl_5ghz_n_channels, | |
271 | .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels), | |
272 | .bitrates = wl_a_rates, | |
273 | .n_bitrates = wl_a_rates_size, | |
274 | }; | |
275 | ||
276 | static const u32 __wl_cipher_suites[] = { | |
277 | WLAN_CIPHER_SUITE_WEP40, | |
278 | WLAN_CIPHER_SUITE_WEP104, | |
279 | WLAN_CIPHER_SUITE_TKIP, | |
280 | WLAN_CIPHER_SUITE_CCMP, | |
281 | WLAN_CIPHER_SUITE_AES_CMAC, | |
282 | }; | |
283 | ||
f8e4b412 AB |
284 | /* tag_ID/length/value_buffer tuple */ |
285 | struct brcmf_tlv { | |
286 | u8 id; | |
287 | u8 len; | |
288 | u8 data[1]; | |
289 | }; | |
290 | ||
1a873342 HM |
291 | /* Vendor specific ie. id = 221, oui and type defines exact ie */ |
292 | struct brcmf_vs_tlv { | |
293 | u8 id; | |
294 | u8 len; | |
295 | u8 oui[3]; | |
296 | u8 oui_type; | |
297 | }; | |
298 | ||
299 | struct parsed_vndr_ie_info { | |
300 | u8 *ie_ptr; | |
301 | u32 ie_len; /* total length including id & length field */ | |
302 | struct brcmf_vs_tlv vndrie; | |
303 | }; | |
304 | ||
305 | struct parsed_vndr_ies { | |
306 | u32 count; | |
307 | struct parsed_vndr_ie_info ie_info[MAX_VNDR_IE_NUMBER]; | |
308 | }; | |
309 | ||
ef6ac17a AB |
310 | /* Quarter dBm units to mW |
311 | * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153 | |
312 | * Table is offset so the last entry is largest mW value that fits in | |
313 | * a u16. | |
314 | */ | |
315 | ||
316 | #define QDBM_OFFSET 153 /* Offset for first entry */ | |
317 | #define QDBM_TABLE_LEN 40 /* Table size */ | |
318 | ||
319 | /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET. | |
320 | * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2 | |
321 | */ | |
322 | #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */ | |
323 | ||
324 | /* Largest mW value that will round down to the last table entry, | |
325 | * QDBM_OFFSET + QDBM_TABLE_LEN-1. | |
326 | * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) + | |
327 | * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2. | |
328 | */ | |
329 | #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */ | |
330 | ||
331 | static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = { | |
332 | /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */ | |
333 | /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000, | |
334 | /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849, | |
335 | /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119, | |
336 | /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811, | |
337 | /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096 | |
338 | }; | |
339 | ||
340 | static u16 brcmf_qdbm_to_mw(u8 qdbm) | |
341 | { | |
342 | uint factor = 1; | |
343 | int idx = qdbm - QDBM_OFFSET; | |
344 | ||
345 | if (idx >= QDBM_TABLE_LEN) | |
346 | /* clamp to max u16 mW value */ | |
347 | return 0xFFFF; | |
348 | ||
349 | /* scale the qdBm index up to the range of the table 0-40 | |
350 | * where an offset of 40 qdBm equals a factor of 10 mW. | |
351 | */ | |
352 | while (idx < 0) { | |
353 | idx += 40; | |
354 | factor *= 10; | |
355 | } | |
356 | ||
357 | /* return the mW value scaled down to the correct factor of 10, | |
358 | * adding in factor/2 to get proper rounding. | |
359 | */ | |
360 | return (nqdBm_to_mW_map[idx] + factor / 2) / factor; | |
361 | } | |
362 | ||
363 | static u8 brcmf_mw_to_qdbm(u16 mw) | |
364 | { | |
365 | u8 qdbm; | |
366 | int offset; | |
367 | uint mw_uint = mw; | |
368 | uint boundary; | |
369 | ||
370 | /* handle boundary case */ | |
371 | if (mw_uint <= 1) | |
372 | return 0; | |
373 | ||
374 | offset = QDBM_OFFSET; | |
375 | ||
376 | /* move mw into the range of the table */ | |
377 | while (mw_uint < QDBM_TABLE_LOW_BOUND) { | |
378 | mw_uint *= 10; | |
379 | offset -= 40; | |
380 | } | |
381 | ||
382 | for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) { | |
383 | boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] - | |
384 | nqdBm_to_mW_map[qdbm]) / 2; | |
385 | if (mw_uint < boundary) | |
386 | break; | |
387 | } | |
388 | ||
389 | qdbm += (u8) offset; | |
390 | ||
391 | return qdbm; | |
392 | } | |
393 | ||
5b435de0 AS |
394 | /* function for reading/writing a single u32 from/to the dongle */ |
395 | static int | |
396 | brcmf_exec_dcmd_u32(struct net_device *ndev, u32 cmd, u32 *par) | |
397 | { | |
398 | int err; | |
399 | __le32 par_le = cpu_to_le32(*par); | |
400 | ||
401 | err = brcmf_exec_dcmd(ndev, cmd, &par_le, sizeof(__le32)); | |
402 | *par = le32_to_cpu(par_le); | |
403 | ||
404 | return err; | |
405 | } | |
406 | ||
f09d0c02 HM |
407 | static s32 |
408 | brcmf_dev_iovar_setbuf_bsscfg(struct net_device *ndev, s8 *name, | |
409 | void *param, s32 paramlen, | |
410 | void *buf, s32 buflen, s32 bssidx) | |
411 | { | |
412 | s32 err = -ENOMEM; | |
413 | u32 len; | |
414 | ||
415 | len = brcmf_c_mkiovar_bsscfg(name, param, paramlen, | |
416 | buf, buflen, bssidx); | |
417 | BUG_ON(!len); | |
418 | if (len > 0) | |
419 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len); | |
420 | if (err) | |
421 | WL_ERR("error (%d)\n", err); | |
422 | ||
423 | return err; | |
424 | } | |
425 | ||
426 | static s32 | |
427 | brcmf_dev_iovar_getbuf_bsscfg(struct net_device *ndev, s8 *name, | |
428 | void *param, s32 paramlen, | |
429 | void *buf, s32 buflen, s32 bssidx) | |
430 | { | |
431 | s32 err = -ENOMEM; | |
432 | u32 len; | |
433 | ||
434 | len = brcmf_c_mkiovar_bsscfg(name, param, paramlen, | |
435 | buf, buflen, bssidx); | |
436 | BUG_ON(!len); | |
437 | if (len > 0) | |
438 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, buf, len); | |
439 | if (err) | |
440 | WL_ERR("error (%d)\n", err); | |
441 | ||
442 | return err; | |
443 | } | |
444 | ||
5b435de0 AS |
445 | static void convert_key_from_CPU(struct brcmf_wsec_key *key, |
446 | struct brcmf_wsec_key_le *key_le) | |
447 | { | |
448 | key_le->index = cpu_to_le32(key->index); | |
449 | key_le->len = cpu_to_le32(key->len); | |
450 | key_le->algo = cpu_to_le32(key->algo); | |
451 | key_le->flags = cpu_to_le32(key->flags); | |
452 | key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi); | |
453 | key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo); | |
454 | key_le->iv_initialized = cpu_to_le32(key->iv_initialized); | |
455 | memcpy(key_le->data, key->data, sizeof(key->data)); | |
456 | memcpy(key_le->ea, key->ea, sizeof(key->ea)); | |
457 | } | |
458 | ||
f09d0c02 | 459 | static int |
27a68fe3 | 460 | send_key_to_dongle(struct brcmf_cfg80211_info *cfg, s32 bssidx, |
f09d0c02 | 461 | struct net_device *ndev, struct brcmf_wsec_key *key) |
5b435de0 AS |
462 | { |
463 | int err; | |
464 | struct brcmf_wsec_key_le key_le; | |
465 | ||
466 | convert_key_from_CPU(key, &key_le); | |
f09d0c02 HM |
467 | |
468 | err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "wsec_key", &key_le, | |
469 | sizeof(key_le), | |
27a68fe3 | 470 | cfg->extra_buf, |
f09d0c02 HM |
471 | WL_EXTRA_BUF_MAX, bssidx); |
472 | ||
5b435de0 | 473 | if (err) |
f09d0c02 | 474 | WL_ERR("wsec_key error (%d)\n", err); |
5b435de0 AS |
475 | return err; |
476 | } | |
477 | ||
478 | static s32 | |
479 | brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, | |
480 | enum nl80211_iftype type, u32 *flags, | |
481 | struct vif_params *params) | |
482 | { | |
27a68fe3 | 483 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 | 484 | s32 infra = 0; |
1a873342 | 485 | s32 ap = 0; |
5b435de0 AS |
486 | s32 err = 0; |
487 | ||
1a873342 | 488 | WL_TRACE("Enter, ndev=%p, type=%d\n", ndev, type); |
5b435de0 AS |
489 | |
490 | switch (type) { | |
491 | case NL80211_IFTYPE_MONITOR: | |
492 | case NL80211_IFTYPE_WDS: | |
493 | WL_ERR("type (%d) : currently we do not support this type\n", | |
494 | type); | |
495 | return -EOPNOTSUPP; | |
496 | case NL80211_IFTYPE_ADHOC: | |
27a68fe3 | 497 | cfg->conf->mode = WL_MODE_IBSS; |
5b435de0 AS |
498 | infra = 0; |
499 | break; | |
500 | case NL80211_IFTYPE_STATION: | |
27a68fe3 | 501 | cfg->conf->mode = WL_MODE_BSS; |
5b435de0 AS |
502 | infra = 1; |
503 | break; | |
1a873342 | 504 | case NL80211_IFTYPE_AP: |
27a68fe3 | 505 | cfg->conf->mode = WL_MODE_AP; |
1a873342 HM |
506 | ap = 1; |
507 | break; | |
5b435de0 AS |
508 | default: |
509 | err = -EINVAL; | |
510 | goto done; | |
511 | } | |
512 | ||
1a873342 | 513 | if (ap) { |
27a68fe3 AS |
514 | set_bit(WL_STATUS_AP_CREATING, &cfg->status); |
515 | if (!cfg->ap_info) | |
516 | cfg->ap_info = kzalloc(sizeof(*cfg->ap_info), | |
517 | GFP_KERNEL); | |
518 | if (!cfg->ap_info) { | |
1a873342 HM |
519 | err = -ENOMEM; |
520 | goto done; | |
521 | } | |
522 | WL_INFO("IF Type = AP\n"); | |
5b435de0 | 523 | } else { |
1a873342 HM |
524 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); |
525 | if (err) { | |
526 | WL_ERR("WLC_SET_INFRA error (%d)\n", err); | |
527 | err = -EAGAIN; | |
528 | goto done; | |
529 | } | |
530 | WL_INFO("IF Type = %s\n", | |
27a68fe3 | 531 | (cfg->conf->mode == WL_MODE_IBSS) ? |
1a873342 | 532 | "Adhoc" : "Infra"); |
5b435de0 | 533 | } |
1a873342 | 534 | ndev->ieee80211_ptr->iftype = type; |
5b435de0 AS |
535 | |
536 | done: | |
537 | WL_TRACE("Exit\n"); | |
538 | ||
539 | return err; | |
540 | } | |
541 | ||
542 | static s32 brcmf_dev_intvar_set(struct net_device *ndev, s8 *name, s32 val) | |
543 | { | |
544 | s8 buf[BRCMF_DCMD_SMLEN]; | |
545 | u32 len; | |
546 | s32 err = 0; | |
547 | __le32 val_le; | |
548 | ||
549 | val_le = cpu_to_le32(val); | |
53a2277d | 550 | len = brcmf_c_mkiovar(name, (char *)(&val_le), sizeof(val_le), buf, |
5b435de0 AS |
551 | sizeof(buf)); |
552 | BUG_ON(!len); | |
553 | ||
554 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len); | |
555 | if (err) | |
556 | WL_ERR("error (%d)\n", err); | |
557 | ||
558 | return err; | |
559 | } | |
560 | ||
561 | static s32 | |
562 | brcmf_dev_intvar_get(struct net_device *ndev, s8 *name, s32 *retval) | |
563 | { | |
564 | union { | |
565 | s8 buf[BRCMF_DCMD_SMLEN]; | |
566 | __le32 val; | |
567 | } var; | |
568 | u32 len; | |
569 | u32 data_null; | |
570 | s32 err = 0; | |
571 | ||
572 | len = | |
53a2277d | 573 | brcmf_c_mkiovar(name, (char *)(&data_null), 0, (char *)(&var), |
5b435de0 AS |
574 | sizeof(var.buf)); |
575 | BUG_ON(!len); | |
576 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, &var, len); | |
577 | if (err) | |
578 | WL_ERR("error (%d)\n", err); | |
579 | ||
580 | *retval = le32_to_cpu(var.val); | |
581 | ||
582 | return err; | |
583 | } | |
584 | ||
f09d0c02 HM |
585 | static s32 |
586 | brcmf_dev_intvar_set_bsscfg(struct net_device *ndev, s8 *name, u32 val, | |
587 | s32 bssidx) | |
588 | { | |
589 | s8 buf[BRCMF_DCMD_SMLEN]; | |
590 | __le32 val_le; | |
591 | ||
592 | val_le = cpu_to_le32(val); | |
593 | ||
594 | return brcmf_dev_iovar_setbuf_bsscfg(ndev, name, &val_le, | |
595 | sizeof(val_le), buf, sizeof(buf), | |
596 | bssidx); | |
597 | } | |
598 | ||
599 | static s32 | |
600 | brcmf_dev_intvar_get_bsscfg(struct net_device *ndev, s8 *name, s32 *val, | |
601 | s32 bssidx) | |
602 | { | |
603 | s8 buf[BRCMF_DCMD_SMLEN]; | |
604 | s32 err; | |
605 | __le32 val_le; | |
606 | ||
607 | memset(buf, 0, sizeof(buf)); | |
608 | err = brcmf_dev_iovar_getbuf_bsscfg(ndev, name, val, sizeof(*val), buf, | |
609 | sizeof(buf), bssidx); | |
610 | if (err == 0) { | |
611 | memcpy(&val_le, buf, sizeof(val_le)); | |
612 | *val = le32_to_cpu(val_le); | |
613 | } | |
614 | return err; | |
615 | } | |
616 | ||
617 | ||
618 | /* | |
619 | * For now brcmf_find_bssidx will return 0. Once p2p gets implemented this | |
620 | * should return the ndev matching bssidx. | |
621 | */ | |
622 | static s32 | |
27a68fe3 | 623 | brcmf_find_bssidx(struct brcmf_cfg80211_info *cfg, struct net_device *ndev) |
f09d0c02 HM |
624 | { |
625 | return 0; | |
626 | } | |
627 | ||
5b435de0 AS |
628 | static void brcmf_set_mpc(struct net_device *ndev, int mpc) |
629 | { | |
630 | s32 err = 0; | |
27a68fe3 | 631 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
5b435de0 | 632 | |
27a68fe3 | 633 | if (test_bit(WL_STATUS_READY, &cfg->status)) { |
5b435de0 AS |
634 | err = brcmf_dev_intvar_set(ndev, "mpc", mpc); |
635 | if (err) { | |
636 | WL_ERR("fail to set mpc\n"); | |
637 | return; | |
638 | } | |
639 | WL_INFO("MPC : %d\n", mpc); | |
640 | } | |
641 | } | |
642 | ||
35aafa9d HM |
643 | static void brcmf_iscan_prep(struct brcmf_scan_params_le *params_le, |
644 | struct brcmf_ssid *ssid) | |
5b435de0 AS |
645 | { |
646 | memcpy(params_le->bssid, ether_bcast, ETH_ALEN); | |
647 | params_le->bss_type = DOT11_BSSTYPE_ANY; | |
648 | params_le->scan_type = 0; | |
649 | params_le->channel_num = 0; | |
650 | params_le->nprobes = cpu_to_le32(-1); | |
651 | params_le->active_time = cpu_to_le32(-1); | |
652 | params_le->passive_time = cpu_to_le32(-1); | |
653 | params_le->home_time = cpu_to_le32(-1); | |
ed205b36 HM |
654 | if (ssid && ssid->SSID_len) { |
655 | params_le->ssid_le.SSID_len = cpu_to_le32(ssid->SSID_len); | |
656 | memcpy(¶ms_le->ssid_le.SSID, ssid->SSID, ssid->SSID_len); | |
657 | } | |
5b435de0 AS |
658 | } |
659 | ||
660 | static s32 | |
661 | brcmf_dev_iovar_setbuf(struct net_device *ndev, s8 * iovar, void *param, | |
662 | s32 paramlen, void *bufptr, s32 buflen) | |
663 | { | |
664 | s32 iolen; | |
665 | ||
53a2277d | 666 | iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); |
5b435de0 AS |
667 | BUG_ON(!iolen); |
668 | ||
669 | return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, bufptr, iolen); | |
670 | } | |
671 | ||
672 | static s32 | |
673 | brcmf_dev_iovar_getbuf(struct net_device *ndev, s8 * iovar, void *param, | |
674 | s32 paramlen, void *bufptr, s32 buflen) | |
675 | { | |
676 | s32 iolen; | |
677 | ||
53a2277d | 678 | iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); |
5b435de0 AS |
679 | BUG_ON(!iolen); |
680 | ||
681 | return brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, bufptr, buflen); | |
682 | } | |
683 | ||
684 | static s32 | |
685 | brcmf_run_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan, | |
686 | struct brcmf_ssid *ssid, u16 action) | |
687 | { | |
688 | s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + | |
689 | offsetof(struct brcmf_iscan_params_le, params_le); | |
690 | struct brcmf_iscan_params_le *params; | |
691 | s32 err = 0; | |
692 | ||
693 | if (ssid && ssid->SSID_len) | |
694 | params_size += sizeof(struct brcmf_ssid); | |
695 | params = kzalloc(params_size, GFP_KERNEL); | |
696 | if (!params) | |
697 | return -ENOMEM; | |
698 | BUG_ON(params_size >= BRCMF_DCMD_SMLEN); | |
699 | ||
35aafa9d | 700 | brcmf_iscan_prep(¶ms->params_le, ssid); |
5b435de0 AS |
701 | |
702 | params->version = cpu_to_le32(BRCMF_ISCAN_REQ_VERSION); | |
703 | params->action = cpu_to_le16(action); | |
704 | params->scan_duration = cpu_to_le16(0); | |
705 | ||
706 | err = brcmf_dev_iovar_setbuf(iscan->ndev, "iscan", params, params_size, | |
707 | iscan->dcmd_buf, BRCMF_DCMD_SMLEN); | |
708 | if (err) { | |
709 | if (err == -EBUSY) | |
710 | WL_INFO("system busy : iscan canceled\n"); | |
711 | else | |
712 | WL_ERR("error (%d)\n", err); | |
713 | } | |
714 | ||
715 | kfree(params); | |
716 | return err; | |
717 | } | |
718 | ||
27a68fe3 | 719 | static s32 brcmf_do_iscan(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 720 | { |
27a68fe3 AS |
721 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); |
722 | struct net_device *ndev = cfg_to_ndev(cfg); | |
5b435de0 | 723 | struct brcmf_ssid ssid; |
66831075 | 724 | __le32 passive_scan; |
5b435de0 AS |
725 | s32 err = 0; |
726 | ||
727 | /* Broadcast scan by default */ | |
728 | memset(&ssid, 0, sizeof(ssid)); | |
729 | ||
730 | iscan->state = WL_ISCAN_STATE_SCANING; | |
731 | ||
27a68fe3 AS |
732 | passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); |
733 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg), BRCMF_C_SET_PASSIVE_SCAN, | |
5b435de0 AS |
734 | &passive_scan, sizeof(passive_scan)); |
735 | if (err) { | |
736 | WL_ERR("error (%d)\n", err); | |
737 | return err; | |
738 | } | |
739 | brcmf_set_mpc(ndev, 0); | |
27a68fe3 | 740 | cfg->iscan_kickstart = true; |
5b435de0 AS |
741 | err = brcmf_run_iscan(iscan, &ssid, BRCMF_SCAN_ACTION_START); |
742 | if (err) { | |
743 | brcmf_set_mpc(ndev, 1); | |
27a68fe3 | 744 | cfg->iscan_kickstart = false; |
5b435de0 AS |
745 | return err; |
746 | } | |
747 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); | |
748 | iscan->timer_on = 1; | |
749 | return err; | |
750 | } | |
751 | ||
752 | static s32 | |
35aafa9d HM |
753 | brcmf_cfg80211_iscan(struct wiphy *wiphy, struct net_device *ndev, |
754 | struct cfg80211_scan_request *request, | |
755 | struct cfg80211_ssid *this_ssid) | |
5b435de0 | 756 | { |
27a68fe3 | 757 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
5b435de0 | 758 | struct cfg80211_ssid *ssids; |
27a68fe3 | 759 | struct brcmf_cfg80211_scan_req *sr = cfg->scan_req_int; |
66831075 | 760 | __le32 passive_scan; |
5b435de0 AS |
761 | bool iscan_req; |
762 | bool spec_scan; | |
763 | s32 err = 0; | |
764 | u32 SSID_len; | |
765 | ||
27a68fe3 AS |
766 | if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { |
767 | WL_ERR("Scanning already : status (%lu)\n", cfg->status); | |
5b435de0 AS |
768 | return -EAGAIN; |
769 | } | |
27a68fe3 | 770 | if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg->status)) { |
5b435de0 | 771 | WL_ERR("Scanning being aborted : status (%lu)\n", |
27a68fe3 | 772 | cfg->status); |
5b435de0 AS |
773 | return -EAGAIN; |
774 | } | |
27a68fe3 | 775 | if (test_bit(WL_STATUS_CONNECTING, &cfg->status)) { |
5b435de0 | 776 | WL_ERR("Connecting : status (%lu)\n", |
27a68fe3 | 777 | cfg->status); |
5b435de0 AS |
778 | return -EAGAIN; |
779 | } | |
780 | ||
781 | iscan_req = false; | |
782 | spec_scan = false; | |
783 | if (request) { | |
784 | /* scan bss */ | |
785 | ssids = request->ssids; | |
27a68fe3 | 786 | if (cfg->iscan_on && (!ssids || !ssids->ssid_len)) |
5b435de0 AS |
787 | iscan_req = true; |
788 | } else { | |
789 | /* scan in ibss */ | |
790 | /* we don't do iscan in ibss */ | |
791 | ssids = this_ssid; | |
792 | } | |
793 | ||
27a68fe3 AS |
794 | cfg->scan_request = request; |
795 | set_bit(WL_STATUS_SCANNING, &cfg->status); | |
5b435de0 | 796 | if (iscan_req) { |
27a68fe3 | 797 | err = brcmf_do_iscan(cfg); |
5b435de0 AS |
798 | if (!err) |
799 | return err; | |
800 | else | |
801 | goto scan_out; | |
802 | } else { | |
803 | WL_SCAN("ssid \"%s\", ssid_len (%d)\n", | |
804 | ssids->ssid, ssids->ssid_len); | |
805 | memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); | |
806 | SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); | |
807 | sr->ssid_le.SSID_len = cpu_to_le32(0); | |
808 | if (SSID_len) { | |
809 | memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); | |
810 | sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); | |
811 | spec_scan = true; | |
812 | } else { | |
813 | WL_SCAN("Broadcast scan\n"); | |
814 | } | |
815 | ||
27a68fe3 | 816 | passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); |
5b435de0 AS |
817 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
818 | &passive_scan, sizeof(passive_scan)); | |
819 | if (err) { | |
820 | WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); | |
821 | goto scan_out; | |
822 | } | |
823 | brcmf_set_mpc(ndev, 0); | |
824 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le, | |
825 | sizeof(sr->ssid_le)); | |
826 | if (err) { | |
827 | if (err == -EBUSY) | |
828 | WL_INFO("system busy : scan for \"%s\" " | |
829 | "canceled\n", sr->ssid_le.SSID); | |
830 | else | |
831 | WL_ERR("WLC_SCAN error (%d)\n", err); | |
832 | ||
833 | brcmf_set_mpc(ndev, 1); | |
834 | goto scan_out; | |
835 | } | |
836 | } | |
837 | ||
838 | return 0; | |
839 | ||
840 | scan_out: | |
27a68fe3 AS |
841 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
842 | cfg->scan_request = NULL; | |
5b435de0 AS |
843 | return err; |
844 | } | |
845 | ||
e756af5b HM |
846 | static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, |
847 | struct cfg80211_scan_request *request) | |
848 | { | |
849 | u32 n_ssids; | |
850 | u32 n_channels; | |
851 | s32 i; | |
852 | s32 offset; | |
029591f3 | 853 | u16 chanspec; |
e756af5b HM |
854 | u16 channel; |
855 | struct ieee80211_channel *req_channel; | |
856 | char *ptr; | |
029591f3 | 857 | struct brcmf_ssid_le ssid_le; |
e756af5b HM |
858 | |
859 | memcpy(params_le->bssid, ether_bcast, ETH_ALEN); | |
860 | params_le->bss_type = DOT11_BSSTYPE_ANY; | |
861 | params_le->scan_type = 0; | |
862 | params_le->channel_num = 0; | |
863 | params_le->nprobes = cpu_to_le32(-1); | |
864 | params_le->active_time = cpu_to_le32(-1); | |
865 | params_le->passive_time = cpu_to_le32(-1); | |
866 | params_le->home_time = cpu_to_le32(-1); | |
867 | memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le)); | |
868 | ||
869 | /* if request is null exit so it will be all channel broadcast scan */ | |
870 | if (!request) | |
871 | return; | |
872 | ||
873 | n_ssids = request->n_ssids; | |
874 | n_channels = request->n_channels; | |
875 | /* Copy channel array if applicable */ | |
876 | WL_SCAN("### List of channelspecs to scan ### %d\n", n_channels); | |
877 | if (n_channels > 0) { | |
878 | for (i = 0; i < n_channels; i++) { | |
879 | chanspec = 0; | |
880 | req_channel = request->channels[i]; | |
881 | channel = ieee80211_frequency_to_channel( | |
882 | req_channel->center_freq); | |
883 | if (req_channel->band == IEEE80211_BAND_2GHZ) | |
884 | chanspec |= WL_CHANSPEC_BAND_2G; | |
885 | else | |
886 | chanspec |= WL_CHANSPEC_BAND_5G; | |
887 | ||
888 | if (req_channel->flags & IEEE80211_CHAN_NO_HT40) { | |
889 | chanspec |= WL_CHANSPEC_BW_20; | |
890 | chanspec |= WL_CHANSPEC_CTL_SB_NONE; | |
891 | } else { | |
892 | chanspec |= WL_CHANSPEC_BW_40; | |
893 | if (req_channel->flags & | |
894 | IEEE80211_CHAN_NO_HT40PLUS) | |
895 | chanspec |= WL_CHANSPEC_CTL_SB_LOWER; | |
896 | else | |
897 | chanspec |= WL_CHANSPEC_CTL_SB_UPPER; | |
898 | } | |
899 | ||
029591f3 | 900 | chanspec |= (channel & WL_CHANSPEC_CHAN_MASK); |
e756af5b | 901 | WL_SCAN("Chan : %d, Channel spec: %x\n", |
029591f3 AS |
902 | channel, chanspec); |
903 | params_le->channel_list[i] = cpu_to_le16(chanspec); | |
e756af5b HM |
904 | } |
905 | } else { | |
906 | WL_SCAN("Scanning all channels\n"); | |
907 | } | |
908 | /* Copy ssid array if applicable */ | |
909 | WL_SCAN("### List of SSIDs to scan ### %d\n", n_ssids); | |
910 | if (n_ssids > 0) { | |
911 | offset = offsetof(struct brcmf_scan_params_le, channel_list) + | |
912 | n_channels * sizeof(u16); | |
913 | offset = roundup(offset, sizeof(u32)); | |
914 | ptr = (char *)params_le + offset; | |
915 | for (i = 0; i < n_ssids; i++) { | |
029591f3 AS |
916 | memset(&ssid_le, 0, sizeof(ssid_le)); |
917 | ssid_le.SSID_len = | |
918 | cpu_to_le32(request->ssids[i].ssid_len); | |
919 | memcpy(ssid_le.SSID, request->ssids[i].ssid, | |
920 | request->ssids[i].ssid_len); | |
921 | if (!ssid_le.SSID_len) | |
e756af5b HM |
922 | WL_SCAN("%d: Broadcast scan\n", i); |
923 | else | |
924 | WL_SCAN("%d: scan for %s size =%d\n", i, | |
029591f3 AS |
925 | ssid_le.SSID, ssid_le.SSID_len); |
926 | memcpy(ptr, &ssid_le, sizeof(ssid_le)); | |
927 | ptr += sizeof(ssid_le); | |
e756af5b HM |
928 | } |
929 | } else { | |
930 | WL_SCAN("Broadcast scan %p\n", request->ssids); | |
931 | if ((request->ssids) && request->ssids->ssid_len) { | |
932 | WL_SCAN("SSID %s len=%d\n", params_le->ssid_le.SSID, | |
933 | request->ssids->ssid_len); | |
934 | params_le->ssid_le.SSID_len = | |
935 | cpu_to_le32(request->ssids->ssid_len); | |
936 | memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid, | |
937 | request->ssids->ssid_len); | |
938 | } | |
939 | } | |
940 | /* Adding mask to channel numbers */ | |
941 | params_le->channel_num = | |
942 | cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) | | |
943 | (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK)); | |
944 | } | |
945 | ||
946 | static s32 | |
27a68fe3 | 947 | brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, |
e756af5b HM |
948 | struct net_device *ndev, |
949 | bool aborted, bool fw_abort) | |
950 | { | |
951 | struct brcmf_scan_params_le params_le; | |
952 | struct cfg80211_scan_request *scan_request; | |
953 | s32 err = 0; | |
954 | ||
955 | WL_SCAN("Enter\n"); | |
956 | ||
957 | /* clear scan request, because the FW abort can cause a second call */ | |
958 | /* to this functon and might cause a double cfg80211_scan_done */ | |
27a68fe3 AS |
959 | scan_request = cfg->scan_request; |
960 | cfg->scan_request = NULL; | |
e756af5b | 961 | |
27a68fe3 AS |
962 | if (timer_pending(&cfg->escan_timeout)) |
963 | del_timer_sync(&cfg->escan_timeout); | |
e756af5b HM |
964 | |
965 | if (fw_abort) { | |
966 | /* Do a scan abort to stop the driver's scan engine */ | |
967 | WL_SCAN("ABORT scan in firmware\n"); | |
968 | memset(¶ms_le, 0, sizeof(params_le)); | |
969 | memcpy(params_le.bssid, ether_bcast, ETH_ALEN); | |
970 | params_le.bss_type = DOT11_BSSTYPE_ANY; | |
971 | params_le.scan_type = 0; | |
972 | params_le.channel_num = cpu_to_le32(1); | |
973 | params_le.nprobes = cpu_to_le32(1); | |
974 | params_le.active_time = cpu_to_le32(-1); | |
975 | params_le.passive_time = cpu_to_le32(-1); | |
976 | params_le.home_time = cpu_to_le32(-1); | |
977 | /* Scan is aborted by setting channel_list[0] to -1 */ | |
978 | params_le.channel_list[0] = cpu_to_le16(-1); | |
979 | /* E-Scan (or anyother type) can be aborted by SCAN */ | |
980 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, ¶ms_le, | |
981 | sizeof(params_le)); | |
982 | if (err) | |
983 | WL_ERR("Scan abort failed\n"); | |
984 | } | |
e5806072 AS |
985 | /* |
986 | * e-scan can be initiated by scheduled scan | |
987 | * which takes precedence. | |
988 | */ | |
27a68fe3 | 989 | if (cfg->sched_escan) { |
e5806072 | 990 | WL_SCAN("scheduled scan completed\n"); |
27a68fe3 | 991 | cfg->sched_escan = false; |
e5806072 | 992 | if (!aborted) |
27a68fe3 | 993 | cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); |
e5806072 AS |
994 | brcmf_set_mpc(ndev, 1); |
995 | } else if (scan_request) { | |
e756af5b HM |
996 | WL_SCAN("ESCAN Completed scan: %s\n", |
997 | aborted ? "Aborted" : "Done"); | |
998 | cfg80211_scan_done(scan_request, aborted); | |
999 | brcmf_set_mpc(ndev, 1); | |
1000 | } | |
27a68fe3 | 1001 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) { |
e756af5b HM |
1002 | WL_ERR("Scan complete while device not scanning\n"); |
1003 | return -EPERM; | |
1004 | } | |
1005 | ||
1006 | return err; | |
1007 | } | |
1008 | ||
1009 | static s32 | |
27a68fe3 | 1010 | brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, |
e756af5b HM |
1011 | struct cfg80211_scan_request *request, u16 action) |
1012 | { | |
1013 | s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + | |
1014 | offsetof(struct brcmf_escan_params_le, params_le); | |
1015 | struct brcmf_escan_params_le *params; | |
1016 | s32 err = 0; | |
1017 | ||
1018 | WL_SCAN("E-SCAN START\n"); | |
1019 | ||
1020 | if (request != NULL) { | |
1021 | /* Allocate space for populating ssids in struct */ | |
1022 | params_size += sizeof(u32) * ((request->n_channels + 1) / 2); | |
1023 | ||
1024 | /* Allocate space for populating ssids in struct */ | |
1025 | params_size += sizeof(struct brcmf_ssid) * request->n_ssids; | |
1026 | } | |
1027 | ||
1028 | params = kzalloc(params_size, GFP_KERNEL); | |
1029 | if (!params) { | |
1030 | err = -ENOMEM; | |
1031 | goto exit; | |
1032 | } | |
1033 | BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); | |
1034 | brcmf_escan_prep(¶ms->params_le, request); | |
1035 | params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); | |
1036 | params->action = cpu_to_le16(action); | |
1037 | params->sync_id = cpu_to_le16(0x1234); | |
1038 | ||
1039 | err = brcmf_dev_iovar_setbuf(ndev, "escan", params, params_size, | |
27a68fe3 | 1040 | cfg->escan_ioctl_buf, BRCMF_DCMD_MEDLEN); |
e756af5b HM |
1041 | if (err) { |
1042 | if (err == -EBUSY) | |
1043 | WL_INFO("system busy : escan canceled\n"); | |
1044 | else | |
1045 | WL_ERR("error (%d)\n", err); | |
1046 | } | |
1047 | ||
1048 | kfree(params); | |
1049 | exit: | |
1050 | return err; | |
1051 | } | |
1052 | ||
1053 | static s32 | |
27a68fe3 | 1054 | brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, |
e756af5b HM |
1055 | struct net_device *ndev, struct cfg80211_scan_request *request) |
1056 | { | |
1057 | s32 err; | |
1058 | __le32 passive_scan; | |
1059 | struct brcmf_scan_results *results; | |
1060 | ||
1061 | WL_SCAN("Enter\n"); | |
27a68fe3 AS |
1062 | cfg->escan_info.ndev = ndev; |
1063 | cfg->escan_info.wiphy = wiphy; | |
1064 | cfg->escan_info.escan_state = WL_ESCAN_STATE_SCANNING; | |
1065 | passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); | |
e756af5b HM |
1066 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
1067 | &passive_scan, sizeof(passive_scan)); | |
1068 | if (err) { | |
1069 | WL_ERR("error (%d)\n", err); | |
1070 | return err; | |
1071 | } | |
1072 | brcmf_set_mpc(ndev, 0); | |
27a68fe3 | 1073 | results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; |
e756af5b HM |
1074 | results->version = 0; |
1075 | results->count = 0; | |
1076 | results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; | |
1077 | ||
27a68fe3 | 1078 | err = brcmf_run_escan(cfg, ndev, request, WL_ESCAN_ACTION_START); |
e756af5b HM |
1079 | if (err) |
1080 | brcmf_set_mpc(ndev, 1); | |
1081 | return err; | |
1082 | } | |
1083 | ||
1084 | static s32 | |
1085 | brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, | |
1086 | struct cfg80211_scan_request *request, | |
1087 | struct cfg80211_ssid *this_ssid) | |
1088 | { | |
27a68fe3 | 1089 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
e756af5b | 1090 | struct cfg80211_ssid *ssids; |
27a68fe3 | 1091 | struct brcmf_cfg80211_scan_req *sr = cfg->scan_req_int; |
e756af5b HM |
1092 | __le32 passive_scan; |
1093 | bool escan_req; | |
1094 | bool spec_scan; | |
1095 | s32 err; | |
1096 | u32 SSID_len; | |
1097 | ||
1098 | WL_SCAN("START ESCAN\n"); | |
1099 | ||
27a68fe3 AS |
1100 | if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { |
1101 | WL_ERR("Scanning already : status (%lu)\n", cfg->status); | |
e756af5b HM |
1102 | return -EAGAIN; |
1103 | } | |
27a68fe3 | 1104 | if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg->status)) { |
e756af5b | 1105 | WL_ERR("Scanning being aborted : status (%lu)\n", |
27a68fe3 | 1106 | cfg->status); |
e756af5b HM |
1107 | return -EAGAIN; |
1108 | } | |
27a68fe3 | 1109 | if (test_bit(WL_STATUS_CONNECTING, &cfg->status)) { |
e756af5b | 1110 | WL_ERR("Connecting : status (%lu)\n", |
27a68fe3 | 1111 | cfg->status); |
e756af5b HM |
1112 | return -EAGAIN; |
1113 | } | |
1114 | ||
1115 | /* Arm scan timeout timer */ | |
27a68fe3 | 1116 | mod_timer(&cfg->escan_timeout, jiffies + |
e756af5b HM |
1117 | WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); |
1118 | ||
1119 | escan_req = false; | |
1120 | if (request) { | |
1121 | /* scan bss */ | |
1122 | ssids = request->ssids; | |
1123 | escan_req = true; | |
1124 | } else { | |
1125 | /* scan in ibss */ | |
1126 | /* we don't do escan in ibss */ | |
1127 | ssids = this_ssid; | |
1128 | } | |
1129 | ||
27a68fe3 AS |
1130 | cfg->scan_request = request; |
1131 | set_bit(WL_STATUS_SCANNING, &cfg->status); | |
e756af5b | 1132 | if (escan_req) { |
27a68fe3 | 1133 | err = brcmf_do_escan(cfg, wiphy, ndev, request); |
e756af5b HM |
1134 | if (!err) |
1135 | return err; | |
1136 | else | |
1137 | goto scan_out; | |
1138 | } else { | |
1139 | WL_SCAN("ssid \"%s\", ssid_len (%d)\n", | |
1140 | ssids->ssid, ssids->ssid_len); | |
1141 | memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); | |
1142 | SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); | |
1143 | sr->ssid_le.SSID_len = cpu_to_le32(0); | |
1144 | spec_scan = false; | |
1145 | if (SSID_len) { | |
1146 | memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); | |
1147 | sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); | |
1148 | spec_scan = true; | |
1149 | } else | |
1150 | WL_SCAN("Broadcast scan\n"); | |
1151 | ||
27a68fe3 | 1152 | passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); |
e756af5b HM |
1153 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
1154 | &passive_scan, sizeof(passive_scan)); | |
1155 | if (err) { | |
1156 | WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); | |
1157 | goto scan_out; | |
1158 | } | |
1159 | brcmf_set_mpc(ndev, 0); | |
1160 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le, | |
1161 | sizeof(sr->ssid_le)); | |
1162 | if (err) { | |
1163 | if (err == -EBUSY) | |
1164 | WL_INFO("BUSY: scan for \"%s\" canceled\n", | |
1165 | sr->ssid_le.SSID); | |
1166 | else | |
1167 | WL_ERR("WLC_SCAN error (%d)\n", err); | |
1168 | ||
1169 | brcmf_set_mpc(ndev, 1); | |
1170 | goto scan_out; | |
1171 | } | |
1172 | } | |
1173 | ||
1174 | return 0; | |
1175 | ||
1176 | scan_out: | |
27a68fe3 AS |
1177 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
1178 | if (timer_pending(&cfg->escan_timeout)) | |
1179 | del_timer_sync(&cfg->escan_timeout); | |
1180 | cfg->scan_request = NULL; | |
e756af5b HM |
1181 | return err; |
1182 | } | |
1183 | ||
5b435de0 | 1184 | static s32 |
fd014284 | 1185 | brcmf_cfg80211_scan(struct wiphy *wiphy, |
5b435de0 AS |
1186 | struct cfg80211_scan_request *request) |
1187 | { | |
fd014284 | 1188 | struct net_device *ndev = request->wdev->netdev; |
27a68fe3 | 1189 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
5b435de0 AS |
1190 | s32 err = 0; |
1191 | ||
1192 | WL_TRACE("Enter\n"); | |
1193 | ||
1194 | if (!check_sys_up(wiphy)) | |
1195 | return -EIO; | |
1196 | ||
27a68fe3 | 1197 | if (cfg->iscan_on) |
e756af5b | 1198 | err = brcmf_cfg80211_iscan(wiphy, ndev, request, NULL); |
27a68fe3 | 1199 | else if (cfg->escan_on) |
e756af5b HM |
1200 | err = brcmf_cfg80211_escan(wiphy, ndev, request, NULL); |
1201 | ||
5b435de0 AS |
1202 | if (err) |
1203 | WL_ERR("scan error (%d)\n", err); | |
1204 | ||
1205 | WL_TRACE("Exit\n"); | |
1206 | return err; | |
1207 | } | |
1208 | ||
1209 | static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) | |
1210 | { | |
1211 | s32 err = 0; | |
1212 | ||
1213 | err = brcmf_dev_intvar_set(ndev, "rtsthresh", rts_threshold); | |
1214 | if (err) | |
1215 | WL_ERR("Error (%d)\n", err); | |
1216 | ||
1217 | return err; | |
1218 | } | |
1219 | ||
1220 | static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) | |
1221 | { | |
1222 | s32 err = 0; | |
1223 | ||
1224 | err = brcmf_dev_intvar_set(ndev, "fragthresh", frag_threshold); | |
1225 | if (err) | |
1226 | WL_ERR("Error (%d)\n", err); | |
1227 | ||
1228 | return err; | |
1229 | } | |
1230 | ||
1231 | static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) | |
1232 | { | |
1233 | s32 err = 0; | |
1234 | u32 cmd = (l ? BRCM_SET_LRL : BRCM_SET_SRL); | |
1235 | ||
1236 | err = brcmf_exec_dcmd_u32(ndev, cmd, &retry); | |
1237 | if (err) { | |
1238 | WL_ERR("cmd (%d) , error (%d)\n", cmd, err); | |
1239 | return err; | |
1240 | } | |
1241 | return err; | |
1242 | } | |
1243 | ||
1244 | static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
1245 | { | |
27a68fe3 AS |
1246 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
1247 | struct net_device *ndev = cfg_to_ndev(cfg); | |
5b435de0 AS |
1248 | s32 err = 0; |
1249 | ||
1250 | WL_TRACE("Enter\n"); | |
1251 | if (!check_sys_up(wiphy)) | |
1252 | return -EIO; | |
1253 | ||
1254 | if (changed & WIPHY_PARAM_RTS_THRESHOLD && | |
27a68fe3 AS |
1255 | (cfg->conf->rts_threshold != wiphy->rts_threshold)) { |
1256 | cfg->conf->rts_threshold = wiphy->rts_threshold; | |
1257 | err = brcmf_set_rts(ndev, cfg->conf->rts_threshold); | |
5b435de0 AS |
1258 | if (!err) |
1259 | goto done; | |
1260 | } | |
1261 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD && | |
27a68fe3 AS |
1262 | (cfg->conf->frag_threshold != wiphy->frag_threshold)) { |
1263 | cfg->conf->frag_threshold = wiphy->frag_threshold; | |
1264 | err = brcmf_set_frag(ndev, cfg->conf->frag_threshold); | |
5b435de0 AS |
1265 | if (!err) |
1266 | goto done; | |
1267 | } | |
1268 | if (changed & WIPHY_PARAM_RETRY_LONG | |
27a68fe3 AS |
1269 | && (cfg->conf->retry_long != wiphy->retry_long)) { |
1270 | cfg->conf->retry_long = wiphy->retry_long; | |
1271 | err = brcmf_set_retry(ndev, cfg->conf->retry_long, true); | |
5b435de0 AS |
1272 | if (!err) |
1273 | goto done; | |
1274 | } | |
1275 | if (changed & WIPHY_PARAM_RETRY_SHORT | |
27a68fe3 AS |
1276 | && (cfg->conf->retry_short != wiphy->retry_short)) { |
1277 | cfg->conf->retry_short = wiphy->retry_short; | |
1278 | err = brcmf_set_retry(ndev, cfg->conf->retry_short, false); | |
5b435de0 AS |
1279 | if (!err) |
1280 | goto done; | |
1281 | } | |
1282 | ||
1283 | done: | |
1284 | WL_TRACE("Exit\n"); | |
1285 | return err; | |
1286 | } | |
1287 | ||
5b435de0 AS |
1288 | static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) |
1289 | { | |
1290 | memset(prof, 0, sizeof(*prof)); | |
1291 | } | |
1292 | ||
1293 | static void brcmf_ch_to_chanspec(int ch, struct brcmf_join_params *join_params, | |
1294 | size_t *join_params_size) | |
1295 | { | |
1296 | u16 chanspec = 0; | |
1297 | ||
1298 | if (ch != 0) { | |
1299 | if (ch <= CH_MAX_2G_CHANNEL) | |
1300 | chanspec |= WL_CHANSPEC_BAND_2G; | |
1301 | else | |
1302 | chanspec |= WL_CHANSPEC_BAND_5G; | |
1303 | ||
1304 | chanspec |= WL_CHANSPEC_BW_20; | |
1305 | chanspec |= WL_CHANSPEC_CTL_SB_NONE; | |
1306 | ||
1307 | *join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE + | |
1308 | sizeof(u16); | |
1309 | ||
1310 | chanspec |= (ch & WL_CHANSPEC_CHAN_MASK); | |
1311 | join_params->params_le.chanspec_list[0] = cpu_to_le16(chanspec); | |
1312 | join_params->params_le.chanspec_num = cpu_to_le32(1); | |
1313 | ||
1314 | WL_CONN("join_params->params.chanspec_list[0]= %#X," | |
1315 | "channel %d, chanspec %#X\n", | |
1316 | chanspec, ch, chanspec); | |
1317 | } | |
1318 | } | |
1319 | ||
27a68fe3 | 1320 | static void brcmf_link_down(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
1321 | { |
1322 | struct net_device *ndev = NULL; | |
1323 | s32 err = 0; | |
1324 | ||
1325 | WL_TRACE("Enter\n"); | |
1326 | ||
27a68fe3 AS |
1327 | if (cfg->link_up) { |
1328 | ndev = cfg_to_ndev(cfg); | |
5b435de0 AS |
1329 | WL_INFO("Call WLC_DISASSOC to stop excess roaming\n "); |
1330 | err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, NULL, 0); | |
1331 | if (err) | |
1332 | WL_ERR("WLC_DISASSOC failed (%d)\n", err); | |
27a68fe3 | 1333 | cfg->link_up = false; |
5b435de0 AS |
1334 | } |
1335 | WL_TRACE("Exit\n"); | |
1336 | } | |
1337 | ||
1338 | static s32 | |
1339 | brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, | |
1340 | struct cfg80211_ibss_params *params) | |
1341 | { | |
27a68fe3 | 1342 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
6c8c4f72 | 1343 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
1344 | struct brcmf_join_params join_params; |
1345 | size_t join_params_size = 0; | |
1346 | s32 err = 0; | |
1347 | s32 wsec = 0; | |
1348 | s32 bcnprd; | |
5b435de0 AS |
1349 | |
1350 | WL_TRACE("Enter\n"); | |
1351 | if (!check_sys_up(wiphy)) | |
1352 | return -EIO; | |
1353 | ||
1354 | if (params->ssid) | |
1355 | WL_CONN("SSID: %s\n", params->ssid); | |
1356 | else { | |
1357 | WL_CONN("SSID: NULL, Not supported\n"); | |
1358 | return -EOPNOTSUPP; | |
1359 | } | |
1360 | ||
27a68fe3 | 1361 | set_bit(WL_STATUS_CONNECTING, &cfg->status); |
5b435de0 AS |
1362 | |
1363 | if (params->bssid) | |
040a7831 | 1364 | WL_CONN("BSSID: %pM\n", params->bssid); |
5b435de0 AS |
1365 | else |
1366 | WL_CONN("No BSSID specified\n"); | |
1367 | ||
1368 | if (params->channel) | |
1369 | WL_CONN("channel: %d\n", params->channel->center_freq); | |
1370 | else | |
1371 | WL_CONN("no channel specified\n"); | |
1372 | ||
1373 | if (params->channel_fixed) | |
1374 | WL_CONN("fixed channel required\n"); | |
1375 | else | |
1376 | WL_CONN("no fixed channel required\n"); | |
1377 | ||
1378 | if (params->ie && params->ie_len) | |
1379 | WL_CONN("ie len: %d\n", params->ie_len); | |
1380 | else | |
1381 | WL_CONN("no ie specified\n"); | |
1382 | ||
1383 | if (params->beacon_interval) | |
1384 | WL_CONN("beacon interval: %d\n", params->beacon_interval); | |
1385 | else | |
1386 | WL_CONN("no beacon interval specified\n"); | |
1387 | ||
1388 | if (params->basic_rates) | |
1389 | WL_CONN("basic rates: %08X\n", params->basic_rates); | |
1390 | else | |
1391 | WL_CONN("no basic rates specified\n"); | |
1392 | ||
1393 | if (params->privacy) | |
1394 | WL_CONN("privacy required\n"); | |
1395 | else | |
1396 | WL_CONN("no privacy required\n"); | |
1397 | ||
1398 | /* Configure Privacy for starter */ | |
1399 | if (params->privacy) | |
1400 | wsec |= WEP_ENABLED; | |
1401 | ||
1402 | err = brcmf_dev_intvar_set(ndev, "wsec", wsec); | |
1403 | if (err) { | |
1404 | WL_ERR("wsec failed (%d)\n", err); | |
1405 | goto done; | |
1406 | } | |
1407 | ||
1408 | /* Configure Beacon Interval for starter */ | |
1409 | if (params->beacon_interval) | |
1410 | bcnprd = params->beacon_interval; | |
1411 | else | |
1412 | bcnprd = 100; | |
1413 | ||
1414 | err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_BCNPRD, &bcnprd); | |
1415 | if (err) { | |
1416 | WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err); | |
1417 | goto done; | |
1418 | } | |
1419 | ||
1420 | /* Configure required join parameter */ | |
1421 | memset(&join_params, 0, sizeof(struct brcmf_join_params)); | |
1422 | ||
1423 | /* SSID */ | |
6c8c4f72 AS |
1424 | profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32); |
1425 | memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len); | |
1426 | memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len); | |
1427 | join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); | |
5b435de0 | 1428 | join_params_size = sizeof(join_params.ssid_le); |
5b435de0 AS |
1429 | |
1430 | /* BSSID */ | |
1431 | if (params->bssid) { | |
1432 | memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN); | |
1433 | join_params_size = sizeof(join_params.ssid_le) + | |
1434 | BRCMF_ASSOC_PARAMS_FIXED_SIZE; | |
6c8c4f72 | 1435 | memcpy(profile->bssid, params->bssid, ETH_ALEN); |
5b435de0 AS |
1436 | } else { |
1437 | memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); | |
6c8c4f72 | 1438 | memset(profile->bssid, 0, ETH_ALEN); |
5b435de0 AS |
1439 | } |
1440 | ||
5b435de0 AS |
1441 | /* Channel */ |
1442 | if (params->channel) { | |
1443 | u32 target_channel; | |
1444 | ||
27a68fe3 | 1445 | cfg->channel = |
5b435de0 AS |
1446 | ieee80211_frequency_to_channel( |
1447 | params->channel->center_freq); | |
1448 | if (params->channel_fixed) { | |
1449 | /* adding chanspec */ | |
27a68fe3 | 1450 | brcmf_ch_to_chanspec(cfg->channel, |
5b435de0 AS |
1451 | &join_params, &join_params_size); |
1452 | } | |
1453 | ||
1454 | /* set channel for starter */ | |
27a68fe3 | 1455 | target_channel = cfg->channel; |
5b435de0 AS |
1456 | err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_CHANNEL, |
1457 | &target_channel); | |
1458 | if (err) { | |
1459 | WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err); | |
1460 | goto done; | |
1461 | } | |
1462 | } else | |
27a68fe3 | 1463 | cfg->channel = 0; |
5b435de0 | 1464 | |
27a68fe3 | 1465 | cfg->ibss_starter = false; |
5b435de0 AS |
1466 | |
1467 | ||
1468 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, | |
1469 | &join_params, join_params_size); | |
1470 | if (err) { | |
1471 | WL_ERR("WLC_SET_SSID failed (%d)\n", err); | |
1472 | goto done; | |
1473 | } | |
1474 | ||
1475 | done: | |
1476 | if (err) | |
27a68fe3 | 1477 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); |
5b435de0 AS |
1478 | WL_TRACE("Exit\n"); |
1479 | return err; | |
1480 | } | |
1481 | ||
1482 | static s32 | |
1483 | brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) | |
1484 | { | |
27a68fe3 | 1485 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 AS |
1486 | s32 err = 0; |
1487 | ||
1488 | WL_TRACE("Enter\n"); | |
1489 | if (!check_sys_up(wiphy)) | |
1490 | return -EIO; | |
1491 | ||
27a68fe3 | 1492 | brcmf_link_down(cfg); |
5b435de0 AS |
1493 | |
1494 | WL_TRACE("Exit\n"); | |
1495 | ||
1496 | return err; | |
1497 | } | |
1498 | ||
1499 | static s32 brcmf_set_wpa_version(struct net_device *ndev, | |
1500 | struct cfg80211_connect_params *sme) | |
1501 | { | |
27a68fe3 | 1502 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
06bb123e | 1503 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
1504 | struct brcmf_cfg80211_security *sec; |
1505 | s32 val = 0; | |
1506 | s32 err = 0; | |
1507 | ||
1508 | if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
1509 | val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; | |
1510 | else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
1511 | val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; | |
1512 | else | |
1513 | val = WPA_AUTH_DISABLED; | |
1514 | WL_CONN("setting wpa_auth to 0x%0x\n", val); | |
1515 | err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); | |
1516 | if (err) { | |
1517 | WL_ERR("set wpa_auth failed (%d)\n", err); | |
1518 | return err; | |
1519 | } | |
06bb123e | 1520 | sec = &profile->sec; |
5b435de0 AS |
1521 | sec->wpa_versions = sme->crypto.wpa_versions; |
1522 | return err; | |
1523 | } | |
1524 | ||
1525 | static s32 brcmf_set_auth_type(struct net_device *ndev, | |
1526 | struct cfg80211_connect_params *sme) | |
1527 | { | |
27a68fe3 | 1528 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
06bb123e | 1529 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
1530 | struct brcmf_cfg80211_security *sec; |
1531 | s32 val = 0; | |
1532 | s32 err = 0; | |
1533 | ||
1534 | switch (sme->auth_type) { | |
1535 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
1536 | val = 0; | |
1537 | WL_CONN("open system\n"); | |
1538 | break; | |
1539 | case NL80211_AUTHTYPE_SHARED_KEY: | |
1540 | val = 1; | |
1541 | WL_CONN("shared key\n"); | |
1542 | break; | |
1543 | case NL80211_AUTHTYPE_AUTOMATIC: | |
1544 | val = 2; | |
1545 | WL_CONN("automatic\n"); | |
1546 | break; | |
1547 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
1548 | WL_CONN("network eap\n"); | |
1549 | default: | |
1550 | val = 2; | |
1551 | WL_ERR("invalid auth type (%d)\n", sme->auth_type); | |
1552 | break; | |
1553 | } | |
1554 | ||
1555 | err = brcmf_dev_intvar_set(ndev, "auth", val); | |
1556 | if (err) { | |
1557 | WL_ERR("set auth failed (%d)\n", err); | |
1558 | return err; | |
1559 | } | |
06bb123e | 1560 | sec = &profile->sec; |
5b435de0 AS |
1561 | sec->auth_type = sme->auth_type; |
1562 | return err; | |
1563 | } | |
1564 | ||
1565 | static s32 | |
1566 | brcmf_set_set_cipher(struct net_device *ndev, | |
1567 | struct cfg80211_connect_params *sme) | |
1568 | { | |
27a68fe3 | 1569 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
06bb123e | 1570 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
1571 | struct brcmf_cfg80211_security *sec; |
1572 | s32 pval = 0; | |
1573 | s32 gval = 0; | |
1574 | s32 err = 0; | |
1575 | ||
1576 | if (sme->crypto.n_ciphers_pairwise) { | |
1577 | switch (sme->crypto.ciphers_pairwise[0]) { | |
1578 | case WLAN_CIPHER_SUITE_WEP40: | |
1579 | case WLAN_CIPHER_SUITE_WEP104: | |
1580 | pval = WEP_ENABLED; | |
1581 | break; | |
1582 | case WLAN_CIPHER_SUITE_TKIP: | |
1583 | pval = TKIP_ENABLED; | |
1584 | break; | |
1585 | case WLAN_CIPHER_SUITE_CCMP: | |
1586 | pval = AES_ENABLED; | |
1587 | break; | |
1588 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1589 | pval = AES_ENABLED; | |
1590 | break; | |
1591 | default: | |
1592 | WL_ERR("invalid cipher pairwise (%d)\n", | |
1593 | sme->crypto.ciphers_pairwise[0]); | |
1594 | return -EINVAL; | |
1595 | } | |
1596 | } | |
1597 | if (sme->crypto.cipher_group) { | |
1598 | switch (sme->crypto.cipher_group) { | |
1599 | case WLAN_CIPHER_SUITE_WEP40: | |
1600 | case WLAN_CIPHER_SUITE_WEP104: | |
1601 | gval = WEP_ENABLED; | |
1602 | break; | |
1603 | case WLAN_CIPHER_SUITE_TKIP: | |
1604 | gval = TKIP_ENABLED; | |
1605 | break; | |
1606 | case WLAN_CIPHER_SUITE_CCMP: | |
1607 | gval = AES_ENABLED; | |
1608 | break; | |
1609 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
1610 | gval = AES_ENABLED; | |
1611 | break; | |
1612 | default: | |
1613 | WL_ERR("invalid cipher group (%d)\n", | |
1614 | sme->crypto.cipher_group); | |
1615 | return -EINVAL; | |
1616 | } | |
1617 | } | |
1618 | ||
1619 | WL_CONN("pval (%d) gval (%d)\n", pval, gval); | |
1620 | err = brcmf_dev_intvar_set(ndev, "wsec", pval | gval); | |
1621 | if (err) { | |
1622 | WL_ERR("error (%d)\n", err); | |
1623 | return err; | |
1624 | } | |
1625 | ||
06bb123e | 1626 | sec = &profile->sec; |
5b435de0 AS |
1627 | sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; |
1628 | sec->cipher_group = sme->crypto.cipher_group; | |
1629 | ||
1630 | return err; | |
1631 | } | |
1632 | ||
1633 | static s32 | |
1634 | brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) | |
1635 | { | |
27a68fe3 | 1636 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
06bb123e | 1637 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
1638 | struct brcmf_cfg80211_security *sec; |
1639 | s32 val = 0; | |
1640 | s32 err = 0; | |
1641 | ||
1642 | if (sme->crypto.n_akm_suites) { | |
1643 | err = brcmf_dev_intvar_get(ndev, "wpa_auth", &val); | |
1644 | if (err) { | |
1645 | WL_ERR("could not get wpa_auth (%d)\n", err); | |
1646 | return err; | |
1647 | } | |
1648 | if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { | |
1649 | switch (sme->crypto.akm_suites[0]) { | |
1650 | case WLAN_AKM_SUITE_8021X: | |
1651 | val = WPA_AUTH_UNSPECIFIED; | |
1652 | break; | |
1653 | case WLAN_AKM_SUITE_PSK: | |
1654 | val = WPA_AUTH_PSK; | |
1655 | break; | |
1656 | default: | |
1657 | WL_ERR("invalid cipher group (%d)\n", | |
1658 | sme->crypto.cipher_group); | |
1659 | return -EINVAL; | |
1660 | } | |
1661 | } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { | |
1662 | switch (sme->crypto.akm_suites[0]) { | |
1663 | case WLAN_AKM_SUITE_8021X: | |
1664 | val = WPA2_AUTH_UNSPECIFIED; | |
1665 | break; | |
1666 | case WLAN_AKM_SUITE_PSK: | |
1667 | val = WPA2_AUTH_PSK; | |
1668 | break; | |
1669 | default: | |
1670 | WL_ERR("invalid cipher group (%d)\n", | |
1671 | sme->crypto.cipher_group); | |
1672 | return -EINVAL; | |
1673 | } | |
1674 | } | |
1675 | ||
1676 | WL_CONN("setting wpa_auth to %d\n", val); | |
1677 | err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); | |
1678 | if (err) { | |
1679 | WL_ERR("could not set wpa_auth (%d)\n", err); | |
1680 | return err; | |
1681 | } | |
1682 | } | |
06bb123e | 1683 | sec = &profile->sec; |
5b435de0 AS |
1684 | sec->wpa_auth = sme->crypto.akm_suites[0]; |
1685 | ||
1686 | return err; | |
1687 | } | |
1688 | ||
1689 | static s32 | |
f09d0c02 HM |
1690 | brcmf_set_sharedkey(struct net_device *ndev, |
1691 | struct cfg80211_connect_params *sme) | |
5b435de0 | 1692 | { |
27a68fe3 | 1693 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
06bb123e | 1694 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
1695 | struct brcmf_cfg80211_security *sec; |
1696 | struct brcmf_wsec_key key; | |
1697 | s32 val; | |
1698 | s32 err = 0; | |
f09d0c02 | 1699 | s32 bssidx; |
5b435de0 AS |
1700 | |
1701 | WL_CONN("key len (%d)\n", sme->key_len); | |
5b435de0 | 1702 | |
a718e2fe RV |
1703 | if (sme->key_len == 0) |
1704 | return 0; | |
1705 | ||
06bb123e | 1706 | sec = &profile->sec; |
a718e2fe RV |
1707 | WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n", |
1708 | sec->wpa_versions, sec->cipher_pairwise); | |
1709 | ||
1710 | if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) | |
1711 | return 0; | |
1712 | ||
f09d0c02 HM |
1713 | if (!(sec->cipher_pairwise & |
1714 | (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) | |
1715 | return 0; | |
a718e2fe | 1716 | |
f09d0c02 HM |
1717 | memset(&key, 0, sizeof(key)); |
1718 | key.len = (u32) sme->key_len; | |
1719 | key.index = (u32) sme->key_idx; | |
1720 | if (key.len > sizeof(key.data)) { | |
1721 | WL_ERR("Too long key length (%u)\n", key.len); | |
1722 | return -EINVAL; | |
1723 | } | |
1724 | memcpy(key.data, sme->key, key.len); | |
1725 | key.flags = BRCMF_PRIMARY_KEY; | |
1726 | switch (sec->cipher_pairwise) { | |
1727 | case WLAN_CIPHER_SUITE_WEP40: | |
1728 | key.algo = CRYPTO_ALGO_WEP1; | |
1729 | break; | |
1730 | case WLAN_CIPHER_SUITE_WEP104: | |
1731 | key.algo = CRYPTO_ALGO_WEP128; | |
1732 | break; | |
1733 | default: | |
1734 | WL_ERR("Invalid algorithm (%d)\n", | |
1735 | sme->crypto.ciphers_pairwise[0]); | |
1736 | return -EINVAL; | |
1737 | } | |
1738 | /* Set the new key/index */ | |
1739 | WL_CONN("key length (%d) key index (%d) algo (%d)\n", | |
1740 | key.len, key.index, key.algo); | |
1741 | WL_CONN("key \"%s\"\n", key.data); | |
27a68fe3 AS |
1742 | bssidx = brcmf_find_bssidx(cfg, ndev); |
1743 | err = send_key_to_dongle(cfg, bssidx, ndev, &key); | |
f09d0c02 HM |
1744 | if (err) |
1745 | return err; | |
1746 | ||
1747 | if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { | |
1748 | WL_CONN("set auth_type to shared key\n"); | |
1749 | val = WL_AUTH_SHARED_KEY; /* shared key */ | |
1750 | err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", val, bssidx); | |
1751 | if (err) | |
1752 | WL_ERR("set auth failed (%d)\n", err); | |
5b435de0 AS |
1753 | } |
1754 | return err; | |
1755 | } | |
1756 | ||
1757 | static s32 | |
1758 | brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, | |
1759 | struct cfg80211_connect_params *sme) | |
1760 | { | |
27a68fe3 | 1761 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
6c8c4f72 | 1762 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
1763 | struct ieee80211_channel *chan = sme->channel; |
1764 | struct brcmf_join_params join_params; | |
1765 | size_t join_params_size; | |
1766 | struct brcmf_ssid ssid; | |
1767 | ||
1768 | s32 err = 0; | |
1769 | ||
1770 | WL_TRACE("Enter\n"); | |
1771 | if (!check_sys_up(wiphy)) | |
1772 | return -EIO; | |
1773 | ||
1774 | if (!sme->ssid) { | |
1775 | WL_ERR("Invalid ssid\n"); | |
1776 | return -EOPNOTSUPP; | |
1777 | } | |
1778 | ||
27a68fe3 | 1779 | set_bit(WL_STATUS_CONNECTING, &cfg->status); |
5b435de0 AS |
1780 | |
1781 | if (chan) { | |
27a68fe3 | 1782 | cfg->channel = |
5b435de0 AS |
1783 | ieee80211_frequency_to_channel(chan->center_freq); |
1784 | WL_CONN("channel (%d), center_req (%d)\n", | |
27a68fe3 | 1785 | cfg->channel, chan->center_freq); |
5b435de0 | 1786 | } else |
27a68fe3 | 1787 | cfg->channel = 0; |
5b435de0 AS |
1788 | |
1789 | WL_INFO("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); | |
1790 | ||
1791 | err = brcmf_set_wpa_version(ndev, sme); | |
1792 | if (err) { | |
1793 | WL_ERR("wl_set_wpa_version failed (%d)\n", err); | |
1794 | goto done; | |
1795 | } | |
1796 | ||
1797 | err = brcmf_set_auth_type(ndev, sme); | |
1798 | if (err) { | |
1799 | WL_ERR("wl_set_auth_type failed (%d)\n", err); | |
1800 | goto done; | |
1801 | } | |
1802 | ||
1803 | err = brcmf_set_set_cipher(ndev, sme); | |
1804 | if (err) { | |
1805 | WL_ERR("wl_set_set_cipher failed (%d)\n", err); | |
1806 | goto done; | |
1807 | } | |
1808 | ||
1809 | err = brcmf_set_key_mgmt(ndev, sme); | |
1810 | if (err) { | |
1811 | WL_ERR("wl_set_key_mgmt failed (%d)\n", err); | |
1812 | goto done; | |
1813 | } | |
1814 | ||
f09d0c02 | 1815 | err = brcmf_set_sharedkey(ndev, sme); |
5b435de0 | 1816 | if (err) { |
f09d0c02 | 1817 | WL_ERR("brcmf_set_sharedkey failed (%d)\n", err); |
5b435de0 AS |
1818 | goto done; |
1819 | } | |
1820 | ||
1821 | memset(&join_params, 0, sizeof(join_params)); | |
1822 | join_params_size = sizeof(join_params.ssid_le); | |
1823 | ||
6c8c4f72 AS |
1824 | profile->ssid.SSID_len = min_t(u32, |
1825 | sizeof(ssid.SSID), (u32)sme->ssid_len); | |
1826 | memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len); | |
1827 | memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len); | |
1828 | join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); | |
5b435de0 AS |
1829 | |
1830 | memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); | |
1831 | ||
1832 | if (ssid.SSID_len < IEEE80211_MAX_SSID_LEN) | |
1833 | WL_CONN("ssid \"%s\", len (%d)\n", | |
1834 | ssid.SSID, ssid.SSID_len); | |
1835 | ||
27a68fe3 | 1836 | brcmf_ch_to_chanspec(cfg->channel, |
5b435de0 AS |
1837 | &join_params, &join_params_size); |
1838 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, | |
1839 | &join_params, join_params_size); | |
1840 | if (err) | |
1841 | WL_ERR("WLC_SET_SSID failed (%d)\n", err); | |
1842 | ||
1843 | done: | |
1844 | if (err) | |
27a68fe3 | 1845 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); |
5b435de0 AS |
1846 | WL_TRACE("Exit\n"); |
1847 | return err; | |
1848 | } | |
1849 | ||
1850 | static s32 | |
1851 | brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, | |
1852 | u16 reason_code) | |
1853 | { | |
27a68fe3 | 1854 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
06bb123e | 1855 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
1856 | struct brcmf_scb_val_le scbval; |
1857 | s32 err = 0; | |
1858 | ||
1859 | WL_TRACE("Enter. Reason code = %d\n", reason_code); | |
1860 | if (!check_sys_up(wiphy)) | |
1861 | return -EIO; | |
1862 | ||
27a68fe3 | 1863 | clear_bit(WL_STATUS_CONNECTED, &cfg->status); |
5b435de0 | 1864 | |
06bb123e | 1865 | memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); |
5b435de0 AS |
1866 | scbval.val = cpu_to_le32(reason_code); |
1867 | err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, &scbval, | |
1868 | sizeof(struct brcmf_scb_val_le)); | |
1869 | if (err) | |
1870 | WL_ERR("error (%d)\n", err); | |
1871 | ||
27a68fe3 | 1872 | cfg->link_up = false; |
5b435de0 AS |
1873 | |
1874 | WL_TRACE("Exit\n"); | |
1875 | return err; | |
1876 | } | |
1877 | ||
1878 | static s32 | |
1879 | brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, | |
d3f31134 | 1880 | enum nl80211_tx_power_setting type, s32 mbm) |
5b435de0 AS |
1881 | { |
1882 | ||
27a68fe3 AS |
1883 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
1884 | struct net_device *ndev = cfg_to_ndev(cfg); | |
5b435de0 AS |
1885 | u16 txpwrmw; |
1886 | s32 err = 0; | |
1887 | s32 disable = 0; | |
d3f31134 | 1888 | s32 dbm = MBM_TO_DBM(mbm); |
5b435de0 AS |
1889 | |
1890 | WL_TRACE("Enter\n"); | |
1891 | if (!check_sys_up(wiphy)) | |
1892 | return -EIO; | |
1893 | ||
1894 | switch (type) { | |
1895 | case NL80211_TX_POWER_AUTOMATIC: | |
1896 | break; | |
1897 | case NL80211_TX_POWER_LIMITED: | |
5b435de0 AS |
1898 | case NL80211_TX_POWER_FIXED: |
1899 | if (dbm < 0) { | |
1900 | WL_ERR("TX_POWER_FIXED - dbm is negative\n"); | |
1901 | err = -EINVAL; | |
1902 | goto done; | |
1903 | } | |
1904 | break; | |
1905 | } | |
1906 | /* Make sure radio is off or on as far as software is concerned */ | |
1907 | disable = WL_RADIO_SW_DISABLE << 16; | |
1908 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_RADIO, &disable); | |
1909 | if (err) | |
1910 | WL_ERR("WLC_SET_RADIO error (%d)\n", err); | |
1911 | ||
1912 | if (dbm > 0xffff) | |
1913 | txpwrmw = 0xffff; | |
1914 | else | |
1915 | txpwrmw = (u16) dbm; | |
1916 | err = brcmf_dev_intvar_set(ndev, "qtxpower", | |
ef6ac17a | 1917 | (s32) (brcmf_mw_to_qdbm(txpwrmw))); |
5b435de0 AS |
1918 | if (err) |
1919 | WL_ERR("qtxpower error (%d)\n", err); | |
27a68fe3 | 1920 | cfg->conf->tx_power = dbm; |
5b435de0 AS |
1921 | |
1922 | done: | |
1923 | WL_TRACE("Exit\n"); | |
1924 | return err; | |
1925 | } | |
1926 | ||
1927 | static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) | |
1928 | { | |
27a68fe3 AS |
1929 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
1930 | struct net_device *ndev = cfg_to_ndev(cfg); | |
5b435de0 AS |
1931 | s32 txpwrdbm; |
1932 | u8 result; | |
1933 | s32 err = 0; | |
1934 | ||
1935 | WL_TRACE("Enter\n"); | |
1936 | if (!check_sys_up(wiphy)) | |
1937 | return -EIO; | |
1938 | ||
1939 | err = brcmf_dev_intvar_get(ndev, "qtxpower", &txpwrdbm); | |
1940 | if (err) { | |
1941 | WL_ERR("error (%d)\n", err); | |
1942 | goto done; | |
1943 | } | |
1944 | ||
1945 | result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE); | |
ef6ac17a | 1946 | *dbm = (s32) brcmf_qdbm_to_mw(result); |
5b435de0 AS |
1947 | |
1948 | done: | |
1949 | WL_TRACE("Exit\n"); | |
1950 | return err; | |
1951 | } | |
1952 | ||
1953 | static s32 | |
1954 | brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, | |
1955 | u8 key_idx, bool unicast, bool multicast) | |
1956 | { | |
27a68fe3 | 1957 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 AS |
1958 | u32 index; |
1959 | u32 wsec; | |
1960 | s32 err = 0; | |
f09d0c02 | 1961 | s32 bssidx; |
5b435de0 AS |
1962 | |
1963 | WL_TRACE("Enter\n"); | |
1964 | WL_CONN("key index (%d)\n", key_idx); | |
1965 | if (!check_sys_up(wiphy)) | |
1966 | return -EIO; | |
1967 | ||
27a68fe3 | 1968 | bssidx = brcmf_find_bssidx(cfg, ndev); |
f09d0c02 | 1969 | err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx); |
5b435de0 AS |
1970 | if (err) { |
1971 | WL_ERR("WLC_GET_WSEC error (%d)\n", err); | |
1972 | goto done; | |
1973 | } | |
1974 | ||
1975 | if (wsec & WEP_ENABLED) { | |
1976 | /* Just select a new current key */ | |
1977 | index = key_idx; | |
1978 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_KEY_PRIMARY, | |
1979 | &index); | |
1980 | if (err) | |
1981 | WL_ERR("error (%d)\n", err); | |
1982 | } | |
1983 | done: | |
1984 | WL_TRACE("Exit\n"); | |
1985 | return err; | |
1986 | } | |
1987 | ||
1988 | static s32 | |
1989 | brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev, | |
1990 | u8 key_idx, const u8 *mac_addr, struct key_params *params) | |
1991 | { | |
27a68fe3 | 1992 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 AS |
1993 | struct brcmf_wsec_key key; |
1994 | struct brcmf_wsec_key_le key_le; | |
1995 | s32 err = 0; | |
f09d0c02 | 1996 | s32 bssidx; |
5b435de0 AS |
1997 | |
1998 | memset(&key, 0, sizeof(key)); | |
1999 | key.index = (u32) key_idx; | |
2000 | /* Instead of bcast for ea address for default wep keys, | |
2001 | driver needs it to be Null */ | |
2002 | if (!is_multicast_ether_addr(mac_addr)) | |
2003 | memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN); | |
2004 | key.len = (u32) params->key_len; | |
27a68fe3 | 2005 | bssidx = brcmf_find_bssidx(cfg, ndev); |
5b435de0 AS |
2006 | /* check for key index change */ |
2007 | if (key.len == 0) { | |
2008 | /* key delete */ | |
27a68fe3 | 2009 | err = send_key_to_dongle(cfg, bssidx, ndev, &key); |
5b435de0 | 2010 | if (err) |
f09d0c02 | 2011 | WL_ERR("key delete error (%d)\n", err); |
5b435de0 AS |
2012 | } else { |
2013 | if (key.len > sizeof(key.data)) { | |
2014 | WL_ERR("Invalid key length (%d)\n", key.len); | |
2015 | return -EINVAL; | |
2016 | } | |
2017 | ||
2018 | WL_CONN("Setting the key index %d\n", key.index); | |
2019 | memcpy(key.data, params->key, key.len); | |
2020 | ||
2021 | if (params->cipher == WLAN_CIPHER_SUITE_TKIP) { | |
2022 | u8 keybuf[8]; | |
2023 | memcpy(keybuf, &key.data[24], sizeof(keybuf)); | |
2024 | memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); | |
2025 | memcpy(&key.data[16], keybuf, sizeof(keybuf)); | |
2026 | } | |
2027 | ||
2028 | /* if IW_ENCODE_EXT_RX_SEQ_VALID set */ | |
2029 | if (params->seq && params->seq_len == 6) { | |
2030 | /* rx iv */ | |
2031 | u8 *ivptr; | |
2032 | ivptr = (u8 *) params->seq; | |
2033 | key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | | |
2034 | (ivptr[3] << 8) | ivptr[2]; | |
2035 | key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; | |
2036 | key.iv_initialized = true; | |
2037 | } | |
2038 | ||
2039 | switch (params->cipher) { | |
2040 | case WLAN_CIPHER_SUITE_WEP40: | |
2041 | key.algo = CRYPTO_ALGO_WEP1; | |
2042 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); | |
2043 | break; | |
2044 | case WLAN_CIPHER_SUITE_WEP104: | |
2045 | key.algo = CRYPTO_ALGO_WEP128; | |
2046 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); | |
2047 | break; | |
2048 | case WLAN_CIPHER_SUITE_TKIP: | |
2049 | key.algo = CRYPTO_ALGO_TKIP; | |
2050 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); | |
2051 | break; | |
2052 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
2053 | key.algo = CRYPTO_ALGO_AES_CCM; | |
2054 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); | |
2055 | break; | |
2056 | case WLAN_CIPHER_SUITE_CCMP: | |
2057 | key.algo = CRYPTO_ALGO_AES_CCM; | |
2058 | WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); | |
2059 | break; | |
2060 | default: | |
2061 | WL_ERR("Invalid cipher (0x%x)\n", params->cipher); | |
2062 | return -EINVAL; | |
2063 | } | |
2064 | convert_key_from_CPU(&key, &key_le); | |
2065 | ||
2066 | brcmf_netdev_wait_pend8021x(ndev); | |
f09d0c02 HM |
2067 | err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "wsec_key", &key_le, |
2068 | sizeof(key_le), | |
27a68fe3 | 2069 | cfg->extra_buf, |
f09d0c02 HM |
2070 | WL_EXTRA_BUF_MAX, bssidx); |
2071 | if (err) | |
2072 | WL_ERR("wsec_key error (%d)\n", err); | |
5b435de0 AS |
2073 | } |
2074 | return err; | |
2075 | } | |
2076 | ||
2077 | static s32 | |
2078 | brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, | |
2079 | u8 key_idx, bool pairwise, const u8 *mac_addr, | |
2080 | struct key_params *params) | |
2081 | { | |
27a68fe3 | 2082 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 AS |
2083 | struct brcmf_wsec_key key; |
2084 | s32 val; | |
2085 | s32 wsec; | |
2086 | s32 err = 0; | |
2087 | u8 keybuf[8]; | |
f09d0c02 | 2088 | s32 bssidx; |
5b435de0 AS |
2089 | |
2090 | WL_TRACE("Enter\n"); | |
2091 | WL_CONN("key index (%d)\n", key_idx); | |
2092 | if (!check_sys_up(wiphy)) | |
2093 | return -EIO; | |
2094 | ||
2095 | if (mac_addr) { | |
2096 | WL_TRACE("Exit"); | |
2097 | return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params); | |
2098 | } | |
2099 | memset(&key, 0, sizeof(key)); | |
2100 | ||
2101 | key.len = (u32) params->key_len; | |
2102 | key.index = (u32) key_idx; | |
2103 | ||
2104 | if (key.len > sizeof(key.data)) { | |
2105 | WL_ERR("Too long key length (%u)\n", key.len); | |
2106 | err = -EINVAL; | |
2107 | goto done; | |
2108 | } | |
2109 | memcpy(key.data, params->key, key.len); | |
2110 | ||
2111 | key.flags = BRCMF_PRIMARY_KEY; | |
2112 | switch (params->cipher) { | |
2113 | case WLAN_CIPHER_SUITE_WEP40: | |
2114 | key.algo = CRYPTO_ALGO_WEP1; | |
f09d0c02 | 2115 | val = WEP_ENABLED; |
5b435de0 AS |
2116 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
2117 | break; | |
2118 | case WLAN_CIPHER_SUITE_WEP104: | |
2119 | key.algo = CRYPTO_ALGO_WEP128; | |
f09d0c02 | 2120 | val = WEP_ENABLED; |
5b435de0 AS |
2121 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
2122 | break; | |
2123 | case WLAN_CIPHER_SUITE_TKIP: | |
27a68fe3 | 2124 | if (cfg->conf->mode != WL_MODE_AP) { |
1a873342 HM |
2125 | WL_CONN("Swapping key\n"); |
2126 | memcpy(keybuf, &key.data[24], sizeof(keybuf)); | |
2127 | memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); | |
2128 | memcpy(&key.data[16], keybuf, sizeof(keybuf)); | |
2129 | } | |
5b435de0 | 2130 | key.algo = CRYPTO_ALGO_TKIP; |
f09d0c02 | 2131 | val = TKIP_ENABLED; |
5b435de0 AS |
2132 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
2133 | break; | |
2134 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
2135 | key.algo = CRYPTO_ALGO_AES_CCM; | |
f09d0c02 | 2136 | val = AES_ENABLED; |
5b435de0 AS |
2137 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
2138 | break; | |
2139 | case WLAN_CIPHER_SUITE_CCMP: | |
2140 | key.algo = CRYPTO_ALGO_AES_CCM; | |
f09d0c02 | 2141 | val = AES_ENABLED; |
5b435de0 AS |
2142 | WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); |
2143 | break; | |
2144 | default: | |
2145 | WL_ERR("Invalid cipher (0x%x)\n", params->cipher); | |
2146 | err = -EINVAL; | |
2147 | goto done; | |
2148 | } | |
2149 | ||
27a68fe3 AS |
2150 | bssidx = brcmf_find_bssidx(cfg, ndev); |
2151 | err = send_key_to_dongle(cfg, bssidx, ndev, &key); | |
5b435de0 AS |
2152 | if (err) |
2153 | goto done; | |
2154 | ||
f09d0c02 | 2155 | err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx); |
5b435de0 AS |
2156 | if (err) { |
2157 | WL_ERR("get wsec error (%d)\n", err); | |
2158 | goto done; | |
2159 | } | |
5b435de0 | 2160 | wsec |= val; |
f09d0c02 | 2161 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", wsec, bssidx); |
5b435de0 AS |
2162 | if (err) { |
2163 | WL_ERR("set wsec error (%d)\n", err); | |
2164 | goto done; | |
2165 | } | |
2166 | ||
5b435de0 AS |
2167 | done: |
2168 | WL_TRACE("Exit\n"); | |
2169 | return err; | |
2170 | } | |
2171 | ||
2172 | static s32 | |
2173 | brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, | |
2174 | u8 key_idx, bool pairwise, const u8 *mac_addr) | |
2175 | { | |
27a68fe3 | 2176 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 AS |
2177 | struct brcmf_wsec_key key; |
2178 | s32 err = 0; | |
f09d0c02 | 2179 | s32 bssidx; |
5b435de0 AS |
2180 | |
2181 | WL_TRACE("Enter\n"); | |
2182 | if (!check_sys_up(wiphy)) | |
2183 | return -EIO; | |
2184 | ||
2185 | memset(&key, 0, sizeof(key)); | |
2186 | ||
2187 | key.index = (u32) key_idx; | |
2188 | key.flags = BRCMF_PRIMARY_KEY; | |
2189 | key.algo = CRYPTO_ALGO_OFF; | |
2190 | ||
2191 | WL_CONN("key index (%d)\n", key_idx); | |
2192 | ||
2193 | /* Set the new key/index */ | |
27a68fe3 AS |
2194 | bssidx = brcmf_find_bssidx(cfg, ndev); |
2195 | err = send_key_to_dongle(cfg, bssidx, ndev, &key); | |
5b435de0 AS |
2196 | if (err) { |
2197 | if (err == -EINVAL) { | |
2198 | if (key.index >= DOT11_MAX_DEFAULT_KEYS) | |
2199 | /* we ignore this key index in this case */ | |
2200 | WL_ERR("invalid key index (%d)\n", key_idx); | |
2201 | } | |
2202 | /* Ignore this error, may happen during DISASSOC */ | |
2203 | err = -EAGAIN; | |
5b435de0 AS |
2204 | } |
2205 | ||
5b435de0 AS |
2206 | WL_TRACE("Exit\n"); |
2207 | return err; | |
2208 | } | |
2209 | ||
2210 | static s32 | |
2211 | brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, | |
2212 | u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, | |
2213 | void (*callback) (void *cookie, struct key_params * params)) | |
2214 | { | |
2215 | struct key_params params; | |
27a68fe3 | 2216 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
06bb123e | 2217 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
2218 | struct brcmf_cfg80211_security *sec; |
2219 | s32 wsec; | |
2220 | s32 err = 0; | |
f09d0c02 | 2221 | s32 bssidx; |
5b435de0 AS |
2222 | |
2223 | WL_TRACE("Enter\n"); | |
2224 | WL_CONN("key index (%d)\n", key_idx); | |
2225 | if (!check_sys_up(wiphy)) | |
2226 | return -EIO; | |
2227 | ||
2228 | memset(¶ms, 0, sizeof(params)); | |
2229 | ||
27a68fe3 | 2230 | bssidx = brcmf_find_bssidx(cfg, ndev); |
f09d0c02 | 2231 | err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx); |
5b435de0 AS |
2232 | if (err) { |
2233 | WL_ERR("WLC_GET_WSEC error (%d)\n", err); | |
2234 | /* Ignore this error, may happen during DISASSOC */ | |
2235 | err = -EAGAIN; | |
2236 | goto done; | |
2237 | } | |
f09d0c02 | 2238 | switch (wsec & ~SES_OW_ENABLED) { |
5b435de0 | 2239 | case WEP_ENABLED: |
06bb123e | 2240 | sec = &profile->sec; |
5b435de0 AS |
2241 | if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { |
2242 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
2243 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); | |
2244 | } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { | |
2245 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
2246 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); | |
2247 | } | |
2248 | break; | |
2249 | case TKIP_ENABLED: | |
2250 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
2251 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); | |
2252 | break; | |
2253 | case AES_ENABLED: | |
2254 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; | |
2255 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); | |
2256 | break; | |
2257 | default: | |
2258 | WL_ERR("Invalid algo (0x%x)\n", wsec); | |
2259 | err = -EINVAL; | |
2260 | goto done; | |
2261 | } | |
2262 | callback(cookie, ¶ms); | |
2263 | ||
2264 | done: | |
2265 | WL_TRACE("Exit\n"); | |
2266 | return err; | |
2267 | } | |
2268 | ||
2269 | static s32 | |
2270 | brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, | |
2271 | struct net_device *ndev, u8 key_idx) | |
2272 | { | |
2273 | WL_INFO("Not supported\n"); | |
2274 | ||
2275 | return -EOPNOTSUPP; | |
2276 | } | |
2277 | ||
2278 | static s32 | |
2279 | brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, | |
1a873342 | 2280 | u8 *mac, struct station_info *sinfo) |
5b435de0 | 2281 | { |
27a68fe3 | 2282 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
06bb123e | 2283 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
2284 | struct brcmf_scb_val_le scb_val; |
2285 | int rssi; | |
2286 | s32 rate; | |
2287 | s32 err = 0; | |
06bb123e | 2288 | u8 *bssid = profile->bssid; |
1a873342 | 2289 | struct brcmf_sta_info_le *sta_info_le; |
5b435de0 | 2290 | |
1a873342 | 2291 | WL_TRACE("Enter, MAC %pM\n", mac); |
5b435de0 AS |
2292 | if (!check_sys_up(wiphy)) |
2293 | return -EIO; | |
2294 | ||
27a68fe3 | 2295 | if (cfg->conf->mode == WL_MODE_AP) { |
1a873342 | 2296 | err = brcmf_dev_iovar_getbuf(ndev, "sta_info", mac, ETH_ALEN, |
27a68fe3 | 2297 | cfg->dcmd_buf, |
1a873342 HM |
2298 | WL_DCMD_LEN_MAX); |
2299 | if (err < 0) { | |
2300 | WL_ERR("GET STA INFO failed, %d\n", err); | |
2301 | goto done; | |
2302 | } | |
27a68fe3 | 2303 | sta_info_le = (struct brcmf_sta_info_le *)cfg->dcmd_buf; |
5b435de0 | 2304 | |
1a873342 HM |
2305 | sinfo->filled = STATION_INFO_INACTIVE_TIME; |
2306 | sinfo->inactive_time = le32_to_cpu(sta_info_le->idle) * 1000; | |
2307 | if (le32_to_cpu(sta_info_le->flags) & BRCMF_STA_ASSOC) { | |
2308 | sinfo->filled |= STATION_INFO_CONNECTED_TIME; | |
2309 | sinfo->connected_time = le32_to_cpu(sta_info_le->in); | |
2310 | } | |
2311 | WL_TRACE("STA idle time : %d ms, connected time :%d sec\n", | |
2312 | sinfo->inactive_time, sinfo->connected_time); | |
27a68fe3 | 2313 | } else if (cfg->conf->mode == WL_MODE_BSS) { |
1a873342 HM |
2314 | if (memcmp(mac, bssid, ETH_ALEN)) { |
2315 | WL_ERR("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n", | |
2316 | mac, bssid); | |
2317 | err = -ENOENT; | |
2318 | goto done; | |
2319 | } | |
2320 | /* Report the current tx rate */ | |
2321 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_RATE, &rate); | |
7f6c562d | 2322 | if (err) { |
1a873342 HM |
2323 | WL_ERR("Could not get rate (%d)\n", err); |
2324 | goto done; | |
7f6c562d | 2325 | } else { |
1a873342 HM |
2326 | sinfo->filled |= STATION_INFO_TX_BITRATE; |
2327 | sinfo->txrate.legacy = rate * 5; | |
2328 | WL_CONN("Rate %d Mbps\n", rate / 2); | |
7f6c562d | 2329 | } |
5b435de0 | 2330 | |
27a68fe3 | 2331 | if (test_bit(WL_STATUS_CONNECTED, &cfg->status)) { |
1a873342 HM |
2332 | memset(&scb_val, 0, sizeof(scb_val)); |
2333 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_RSSI, &scb_val, | |
2334 | sizeof(scb_val)); | |
2335 | if (err) { | |
2336 | WL_ERR("Could not get rssi (%d)\n", err); | |
2337 | goto done; | |
2338 | } else { | |
2339 | rssi = le32_to_cpu(scb_val.val); | |
2340 | sinfo->filled |= STATION_INFO_SIGNAL; | |
2341 | sinfo->signal = rssi; | |
2342 | WL_CONN("RSSI %d dBm\n", rssi); | |
2343 | } | |
2344 | } | |
2345 | } else | |
2346 | err = -EPERM; | |
5b435de0 AS |
2347 | done: |
2348 | WL_TRACE("Exit\n"); | |
2349 | return err; | |
2350 | } | |
2351 | ||
2352 | static s32 | |
2353 | brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, | |
2354 | bool enabled, s32 timeout) | |
2355 | { | |
2356 | s32 pm; | |
2357 | s32 err = 0; | |
27a68fe3 | 2358 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 AS |
2359 | |
2360 | WL_TRACE("Enter\n"); | |
2361 | ||
2362 | /* | |
2363 | * Powersave enable/disable request is coming from the | |
2364 | * cfg80211 even before the interface is up. In that | |
2365 | * scenario, driver will be storing the power save | |
27a68fe3 | 2366 | * preference in cfg struct to apply this to |
5b435de0 AS |
2367 | * FW later while initializing the dongle |
2368 | */ | |
27a68fe3 AS |
2369 | cfg->pwr_save = enabled; |
2370 | if (!test_bit(WL_STATUS_READY, &cfg->status)) { | |
5b435de0 | 2371 | |
27a68fe3 | 2372 | WL_INFO("Device is not ready, storing the value in cfg_info struct\n"); |
5b435de0 AS |
2373 | goto done; |
2374 | } | |
2375 | ||
2376 | pm = enabled ? PM_FAST : PM_OFF; | |
2377 | WL_INFO("power save %s\n", (pm ? "enabled" : "disabled")); | |
2378 | ||
2379 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &pm); | |
2380 | if (err) { | |
2381 | if (err == -ENODEV) | |
2382 | WL_ERR("net_device is not ready yet\n"); | |
2383 | else | |
2384 | WL_ERR("error (%d)\n", err); | |
2385 | } | |
2386 | done: | |
2387 | WL_TRACE("Exit\n"); | |
2388 | return err; | |
2389 | } | |
2390 | ||
2391 | static s32 | |
2392 | brcmf_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *ndev, | |
2393 | const u8 *addr, | |
2394 | const struct cfg80211_bitrate_mask *mask) | |
2395 | { | |
2396 | struct brcm_rateset_le rateset_le; | |
2397 | s32 rate; | |
2398 | s32 val; | |
2399 | s32 err_bg; | |
2400 | s32 err_a; | |
2401 | u32 legacy; | |
2402 | s32 err = 0; | |
2403 | ||
2404 | WL_TRACE("Enter\n"); | |
2405 | if (!check_sys_up(wiphy)) | |
2406 | return -EIO; | |
2407 | ||
2408 | /* addr param is always NULL. ignore it */ | |
2409 | /* Get current rateset */ | |
2410 | err = brcmf_exec_dcmd(ndev, BRCM_GET_CURR_RATESET, &rateset_le, | |
2411 | sizeof(rateset_le)); | |
2412 | if (err) { | |
2413 | WL_ERR("could not get current rateset (%d)\n", err); | |
2414 | goto done; | |
2415 | } | |
2416 | ||
2417 | legacy = ffs(mask->control[IEEE80211_BAND_2GHZ].legacy & 0xFFFF); | |
2418 | if (!legacy) | |
2419 | legacy = ffs(mask->control[IEEE80211_BAND_5GHZ].legacy & | |
2420 | 0xFFFF); | |
2421 | ||
2422 | val = wl_g_rates[legacy - 1].bitrate * 100000; | |
2423 | ||
2424 | if (val < le32_to_cpu(rateset_le.count)) | |
2425 | /* Select rate by rateset index */ | |
2426 | rate = rateset_le.rates[val] & 0x7f; | |
2427 | else | |
2428 | /* Specified rate in bps */ | |
2429 | rate = val / 500000; | |
2430 | ||
2431 | WL_CONN("rate %d mbps\n", rate / 2); | |
2432 | ||
2433 | /* | |
2434 | * | |
2435 | * Set rate override, | |
2436 | * Since the is a/b/g-blind, both a/bg_rate are enforced. | |
2437 | */ | |
2438 | err_bg = brcmf_dev_intvar_set(ndev, "bg_rate", rate); | |
2439 | err_a = brcmf_dev_intvar_set(ndev, "a_rate", rate); | |
2440 | if (err_bg && err_a) { | |
2441 | WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg, err_a); | |
2442 | err = err_bg | err_a; | |
2443 | } | |
2444 | ||
2445 | done: | |
2446 | WL_TRACE("Exit\n"); | |
2447 | return err; | |
2448 | } | |
2449 | ||
27a68fe3 | 2450 | static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, |
d34bf64f | 2451 | struct brcmf_bss_info_le *bi) |
5b435de0 | 2452 | { |
27a68fe3 | 2453 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
5b435de0 AS |
2454 | struct ieee80211_channel *notify_channel; |
2455 | struct cfg80211_bss *bss; | |
2456 | struct ieee80211_supported_band *band; | |
2457 | s32 err = 0; | |
2458 | u16 channel; | |
2459 | u32 freq; | |
5b435de0 AS |
2460 | u16 notify_capability; |
2461 | u16 notify_interval; | |
2462 | u8 *notify_ie; | |
2463 | size_t notify_ielen; | |
2464 | s32 notify_signal; | |
2465 | ||
2466 | if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { | |
2467 | WL_ERR("Bss info is larger than buffer. Discarding\n"); | |
2468 | return 0; | |
2469 | } | |
2470 | ||
2471 | channel = bi->ctl_ch ? bi->ctl_ch : | |
2472 | CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); | |
2473 | ||
2474 | if (channel <= CH_MAX_2G_CHANNEL) | |
2475 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; | |
2476 | else | |
2477 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
2478 | ||
2479 | freq = ieee80211_channel_to_frequency(channel, band->band); | |
2480 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
2481 | ||
5b435de0 AS |
2482 | notify_capability = le16_to_cpu(bi->capability); |
2483 | notify_interval = le16_to_cpu(bi->beacon_period); | |
2484 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); | |
2485 | notify_ielen = le32_to_cpu(bi->ie_length); | |
2486 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; | |
2487 | ||
2488 | WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", | |
2489 | bi->BSSID[0], bi->BSSID[1], bi->BSSID[2], | |
2490 | bi->BSSID[3], bi->BSSID[4], bi->BSSID[5]); | |
2491 | WL_CONN("Channel: %d(%d)\n", channel, freq); | |
2492 | WL_CONN("Capability: %X\n", notify_capability); | |
2493 | WL_CONN("Beacon interval: %d\n", notify_interval); | |
2494 | WL_CONN("Signal: %d\n", notify_signal); | |
5b435de0 AS |
2495 | |
2496 | bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID, | |
8e6cffb3 | 2497 | 0, notify_capability, notify_interval, notify_ie, |
5b435de0 AS |
2498 | notify_ielen, notify_signal, GFP_KERNEL); |
2499 | ||
e78946e1 FL |
2500 | if (!bss) |
2501 | return -ENOMEM; | |
2502 | ||
2503 | cfg80211_put_bss(bss); | |
5b435de0 AS |
2504 | |
2505 | return err; | |
2506 | } | |
2507 | ||
6f09be0a RV |
2508 | static struct brcmf_bss_info_le * |
2509 | next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss) | |
2510 | { | |
2511 | if (bss == NULL) | |
2512 | return list->bss_info_le; | |
2513 | return (struct brcmf_bss_info_le *)((unsigned long)bss + | |
2514 | le32_to_cpu(bss->length)); | |
2515 | } | |
2516 | ||
27a68fe3 | 2517 | static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
2518 | { |
2519 | struct brcmf_scan_results *bss_list; | |
d34bf64f | 2520 | struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ |
5b435de0 AS |
2521 | s32 err = 0; |
2522 | int i; | |
2523 | ||
27a68fe3 | 2524 | bss_list = cfg->bss_list; |
5b435de0 AS |
2525 | if (bss_list->version != BRCMF_BSS_INFO_VERSION) { |
2526 | WL_ERR("Version %d != WL_BSS_INFO_VERSION\n", | |
2527 | bss_list->version); | |
2528 | return -EOPNOTSUPP; | |
2529 | } | |
2530 | WL_SCAN("scanned AP count (%d)\n", bss_list->count); | |
2531 | for (i = 0; i < bss_list->count && i < WL_AP_MAX; i++) { | |
6f09be0a | 2532 | bi = next_bss_le(bss_list, bi); |
27a68fe3 | 2533 | err = brcmf_inform_single_bss(cfg, bi); |
5b435de0 AS |
2534 | if (err) |
2535 | break; | |
2536 | } | |
2537 | return err; | |
2538 | } | |
2539 | ||
27a68fe3 | 2540 | static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
2541 | struct net_device *ndev, const u8 *bssid) |
2542 | { | |
27a68fe3 | 2543 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
5b435de0 | 2544 | struct ieee80211_channel *notify_channel; |
d34bf64f | 2545 | struct brcmf_bss_info_le *bi = NULL; |
5b435de0 | 2546 | struct ieee80211_supported_band *band; |
e78946e1 | 2547 | struct cfg80211_bss *bss; |
5b435de0 AS |
2548 | u8 *buf = NULL; |
2549 | s32 err = 0; | |
2550 | u16 channel; | |
2551 | u32 freq; | |
5b435de0 AS |
2552 | u16 notify_capability; |
2553 | u16 notify_interval; | |
2554 | u8 *notify_ie; | |
2555 | size_t notify_ielen; | |
2556 | s32 notify_signal; | |
2557 | ||
2558 | WL_TRACE("Enter\n"); | |
2559 | ||
2560 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); | |
2561 | if (buf == NULL) { | |
2562 | err = -ENOMEM; | |
2563 | goto CleanUp; | |
2564 | } | |
2565 | ||
2566 | *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); | |
2567 | ||
2568 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_BSS_INFO, buf, WL_BSS_INFO_MAX); | |
2569 | if (err) { | |
2570 | WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err); | |
2571 | goto CleanUp; | |
2572 | } | |
2573 | ||
d34bf64f | 2574 | bi = (struct brcmf_bss_info_le *)(buf + 4); |
5b435de0 AS |
2575 | |
2576 | channel = bi->ctl_ch ? bi->ctl_ch : | |
2577 | CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); | |
2578 | ||
2579 | if (channel <= CH_MAX_2G_CHANNEL) | |
2580 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; | |
2581 | else | |
2582 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
2583 | ||
2584 | freq = ieee80211_channel_to_frequency(channel, band->band); | |
2585 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
2586 | ||
5b435de0 AS |
2587 | notify_capability = le16_to_cpu(bi->capability); |
2588 | notify_interval = le16_to_cpu(bi->beacon_period); | |
2589 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); | |
2590 | notify_ielen = le32_to_cpu(bi->ie_length); | |
2591 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; | |
2592 | ||
2593 | WL_CONN("channel: %d(%d)\n", channel, freq); | |
2594 | WL_CONN("capability: %X\n", notify_capability); | |
2595 | WL_CONN("beacon interval: %d\n", notify_interval); | |
2596 | WL_CONN("signal: %d\n", notify_signal); | |
5b435de0 | 2597 | |
e78946e1 | 2598 | bss = cfg80211_inform_bss(wiphy, notify_channel, bssid, |
8e6cffb3 | 2599 | 0, notify_capability, notify_interval, |
5b435de0 AS |
2600 | notify_ie, notify_ielen, notify_signal, GFP_KERNEL); |
2601 | ||
e78946e1 FL |
2602 | if (!bss) { |
2603 | err = -ENOMEM; | |
2604 | goto CleanUp; | |
2605 | } | |
2606 | ||
2607 | cfg80211_put_bss(bss); | |
2608 | ||
5b435de0 AS |
2609 | CleanUp: |
2610 | ||
2611 | kfree(buf); | |
2612 | ||
2613 | WL_TRACE("Exit\n"); | |
2614 | ||
2615 | return err; | |
2616 | } | |
2617 | ||
27a68fe3 | 2618 | static bool brcmf_is_ibssmode(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2619 | { |
27a68fe3 | 2620 | return cfg->conf->mode == WL_MODE_IBSS; |
5b435de0 AS |
2621 | } |
2622 | ||
f8e4b412 AB |
2623 | /* |
2624 | * Traverse a string of 1-byte tag/1-byte length/variable-length value | |
2625 | * triples, returning a pointer to the substring whose first element | |
2626 | * matches tag | |
2627 | */ | |
2628 | static struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key) | |
2629 | { | |
2630 | struct brcmf_tlv *elt; | |
2631 | int totlen; | |
2632 | ||
2633 | elt = (struct brcmf_tlv *) buf; | |
2634 | totlen = buflen; | |
2635 | ||
2636 | /* find tagged parameter */ | |
04012895 | 2637 | while (totlen >= TLV_HDR_LEN) { |
f8e4b412 AB |
2638 | int len = elt->len; |
2639 | ||
2640 | /* validate remaining totlen */ | |
04012895 | 2641 | if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) |
f8e4b412 AB |
2642 | return elt; |
2643 | ||
04012895 HM |
2644 | elt = (struct brcmf_tlv *) ((u8 *) elt + (len + TLV_HDR_LEN)); |
2645 | totlen -= (len + TLV_HDR_LEN); | |
f8e4b412 AB |
2646 | } |
2647 | ||
2648 | return NULL; | |
2649 | } | |
2650 | ||
1a873342 HM |
2651 | /* Is any of the tlvs the expected entry? If |
2652 | * not update the tlvs buffer pointer/length. | |
2653 | */ | |
2654 | static bool | |
2655 | brcmf_tlv_has_ie(u8 *ie, u8 **tlvs, u32 *tlvs_len, | |
2656 | u8 *oui, u32 oui_len, u8 type) | |
2657 | { | |
2658 | /* If the contents match the OUI and the type */ | |
2659 | if (ie[TLV_LEN_OFF] >= oui_len + 1 && | |
2660 | !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && | |
2661 | type == ie[TLV_BODY_OFF + oui_len]) { | |
2662 | return true; | |
f8e4b412 AB |
2663 | } |
2664 | ||
1a873342 HM |
2665 | if (tlvs == NULL) |
2666 | return false; | |
2667 | /* point to the next ie */ | |
2668 | ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; | |
2669 | /* calculate the length of the rest of the buffer */ | |
2670 | *tlvs_len -= (int)(ie - *tlvs); | |
2671 | /* update the pointer to the start of the buffer */ | |
2672 | *tlvs = ie; | |
2673 | ||
2674 | return false; | |
2675 | } | |
2676 | ||
2677 | struct brcmf_vs_tlv * | |
2678 | brcmf_find_wpaie(u8 *parse, u32 len) | |
2679 | { | |
2680 | struct brcmf_tlv *ie; | |
2681 | ||
04b2312a | 2682 | while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { |
1a873342 HM |
2683 | if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, |
2684 | WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) | |
2685 | return (struct brcmf_vs_tlv *)ie; | |
2686 | } | |
f8e4b412 AB |
2687 | return NULL; |
2688 | } | |
2689 | ||
27a68fe3 | 2690 | static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2691 | { |
06bb123e | 2692 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
d34bf64f | 2693 | struct brcmf_bss_info_le *bi; |
5b435de0 | 2694 | struct brcmf_ssid *ssid; |
f8e4b412 | 2695 | struct brcmf_tlv *tim; |
5b435de0 AS |
2696 | u16 beacon_interval; |
2697 | u8 dtim_period; | |
2698 | size_t ie_len; | |
2699 | u8 *ie; | |
2700 | s32 err = 0; | |
2701 | ||
2702 | WL_TRACE("Enter\n"); | |
27a68fe3 | 2703 | if (brcmf_is_ibssmode(cfg)) |
5b435de0 AS |
2704 | return err; |
2705 | ||
06bb123e | 2706 | ssid = &profile->ssid; |
5b435de0 | 2707 | |
27a68fe3 AS |
2708 | *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); |
2709 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg), BRCMF_C_GET_BSS_INFO, | |
2710 | cfg->extra_buf, WL_EXTRA_BUF_MAX); | |
5b435de0 AS |
2711 | if (err) { |
2712 | WL_ERR("Could not get bss info %d\n", err); | |
2713 | goto update_bss_info_out; | |
2714 | } | |
2715 | ||
27a68fe3 AS |
2716 | bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4); |
2717 | err = brcmf_inform_single_bss(cfg, bi); | |
5b435de0 AS |
2718 | if (err) |
2719 | goto update_bss_info_out; | |
2720 | ||
2721 | ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); | |
2722 | ie_len = le32_to_cpu(bi->ie_length); | |
2723 | beacon_interval = le16_to_cpu(bi->beacon_period); | |
2724 | ||
f8e4b412 | 2725 | tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM); |
5b435de0 AS |
2726 | if (tim) |
2727 | dtim_period = tim->data[1]; | |
2728 | else { | |
2729 | /* | |
2730 | * active scan was done so we could not get dtim | |
2731 | * information out of probe response. | |
2732 | * so we speficially query dtim information to dongle. | |
2733 | */ | |
2734 | u32 var; | |
27a68fe3 | 2735 | err = brcmf_dev_intvar_get(cfg_to_ndev(cfg), |
5b435de0 AS |
2736 | "dtim_assoc", &var); |
2737 | if (err) { | |
2738 | WL_ERR("wl dtim_assoc failed (%d)\n", err); | |
2739 | goto update_bss_info_out; | |
2740 | } | |
2741 | dtim_period = (u8)var; | |
2742 | } | |
2743 | ||
6c8c4f72 AS |
2744 | profile->beacon_interval = beacon_interval; |
2745 | profile->dtim_period = dtim_period; | |
5b435de0 AS |
2746 | |
2747 | update_bss_info_out: | |
2748 | WL_TRACE("Exit"); | |
2749 | return err; | |
2750 | } | |
2751 | ||
27a68fe3 | 2752 | static void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2753 | { |
27a68fe3 AS |
2754 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); |
2755 | struct escan_info *escan = &cfg->escan_info; | |
5b435de0 AS |
2756 | struct brcmf_ssid ssid; |
2757 | ||
27a68fe3 AS |
2758 | set_bit(WL_STATUS_SCAN_ABORTING, &cfg->status); |
2759 | if (cfg->iscan_on) { | |
5b435de0 AS |
2760 | iscan->state = WL_ISCAN_STATE_IDLE; |
2761 | ||
2762 | if (iscan->timer_on) { | |
2763 | del_timer_sync(&iscan->timer); | |
2764 | iscan->timer_on = 0; | |
2765 | } | |
2766 | ||
2767 | cancel_work_sync(&iscan->work); | |
2768 | ||
2769 | /* Abort iscan running in FW */ | |
2770 | memset(&ssid, 0, sizeof(ssid)); | |
2771 | brcmf_run_iscan(iscan, &ssid, WL_SCAN_ACTION_ABORT); | |
108a4bee | 2772 | |
27a68fe3 | 2773 | if (cfg->scan_request) { |
108a4bee AS |
2774 | /* Indidate scan abort to cfg80211 layer */ |
2775 | WL_INFO("Terminating scan in progress\n"); | |
27a68fe3 AS |
2776 | cfg80211_scan_done(cfg->scan_request, true); |
2777 | cfg->scan_request = NULL; | |
108a4bee | 2778 | } |
5b435de0 | 2779 | } |
27a68fe3 | 2780 | if (cfg->escan_on && cfg->scan_request) { |
108a4bee | 2781 | escan->escan_state = WL_ESCAN_STATE_IDLE; |
27a68fe3 | 2782 | brcmf_notify_escan_complete(cfg, escan->ndev, true, true); |
5b435de0 | 2783 | } |
27a68fe3 AS |
2784 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
2785 | clear_bit(WL_STATUS_SCAN_ABORTING, &cfg->status); | |
5b435de0 AS |
2786 | } |
2787 | ||
2788 | static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan, | |
2789 | bool aborted) | |
2790 | { | |
27a68fe3 AS |
2791 | struct brcmf_cfg80211_info *cfg = iscan_to_cfg(iscan); |
2792 | struct net_device *ndev = cfg_to_ndev(cfg); | |
5b435de0 | 2793 | |
27a68fe3 | 2794 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) { |
5b435de0 AS |
2795 | WL_ERR("Scan complete while device not scanning\n"); |
2796 | return; | |
2797 | } | |
27a68fe3 | 2798 | if (cfg->scan_request) { |
5b435de0 AS |
2799 | WL_SCAN("ISCAN Completed scan: %s\n", |
2800 | aborted ? "Aborted" : "Done"); | |
27a68fe3 | 2801 | cfg80211_scan_done(cfg->scan_request, aborted); |
5b435de0 | 2802 | brcmf_set_mpc(ndev, 1); |
27a68fe3 | 2803 | cfg->scan_request = NULL; |
5b435de0 | 2804 | } |
27a68fe3 | 2805 | cfg->iscan_kickstart = false; |
5b435de0 AS |
2806 | } |
2807 | ||
2808 | static s32 brcmf_wakeup_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan) | |
2809 | { | |
2810 | if (iscan->state != WL_ISCAN_STATE_IDLE) { | |
2811 | WL_SCAN("wake up iscan\n"); | |
2812 | schedule_work(&iscan->work); | |
2813 | return 0; | |
2814 | } | |
2815 | ||
2816 | return -EIO; | |
2817 | } | |
2818 | ||
2819 | static s32 | |
2820 | brcmf_get_iscan_results(struct brcmf_cfg80211_iscan_ctrl *iscan, u32 *status, | |
2821 | struct brcmf_scan_results **bss_list) | |
2822 | { | |
2823 | struct brcmf_iscan_results list; | |
2824 | struct brcmf_scan_results *results; | |
2825 | struct brcmf_scan_results_le *results_le; | |
2826 | struct brcmf_iscan_results *list_buf; | |
2827 | s32 err = 0; | |
2828 | ||
2829 | memset(iscan->scan_buf, 0, WL_ISCAN_BUF_MAX); | |
2830 | list_buf = (struct brcmf_iscan_results *)iscan->scan_buf; | |
2831 | results = &list_buf->results; | |
2832 | results_le = &list_buf->results_le; | |
2833 | results->buflen = BRCMF_ISCAN_RESULTS_FIXED_SIZE; | |
2834 | results->version = 0; | |
2835 | results->count = 0; | |
2836 | ||
2837 | memset(&list, 0, sizeof(list)); | |
2838 | list.results_le.buflen = cpu_to_le32(WL_ISCAN_BUF_MAX); | |
2839 | err = brcmf_dev_iovar_getbuf(iscan->ndev, "iscanresults", &list, | |
2840 | BRCMF_ISCAN_RESULTS_FIXED_SIZE, | |
2841 | iscan->scan_buf, WL_ISCAN_BUF_MAX); | |
2842 | if (err) { | |
2843 | WL_ERR("error (%d)\n", err); | |
2844 | return err; | |
2845 | } | |
2846 | results->buflen = le32_to_cpu(results_le->buflen); | |
2847 | results->version = le32_to_cpu(results_le->version); | |
2848 | results->count = le32_to_cpu(results_le->count); | |
2849 | WL_SCAN("results->count = %d\n", results_le->count); | |
2850 | WL_SCAN("results->buflen = %d\n", results_le->buflen); | |
2851 | *status = le32_to_cpu(list_buf->status_le); | |
2852 | WL_SCAN("status = %d\n", *status); | |
2853 | *bss_list = results; | |
2854 | ||
2855 | return err; | |
2856 | } | |
2857 | ||
27a68fe3 | 2858 | static s32 brcmf_iscan_done(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2859 | { |
27a68fe3 | 2860 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; |
5b435de0 AS |
2861 | s32 err = 0; |
2862 | ||
2863 | iscan->state = WL_ISCAN_STATE_IDLE; | |
27a68fe3 | 2864 | brcmf_inform_bss(cfg); |
5b435de0 AS |
2865 | brcmf_notify_iscan_complete(iscan, false); |
2866 | ||
2867 | return err; | |
2868 | } | |
2869 | ||
27a68fe3 | 2870 | static s32 brcmf_iscan_pending(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2871 | { |
27a68fe3 | 2872 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; |
5b435de0 AS |
2873 | s32 err = 0; |
2874 | ||
2875 | /* Reschedule the timer */ | |
2876 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); | |
2877 | iscan->timer_on = 1; | |
2878 | ||
2879 | return err; | |
2880 | } | |
2881 | ||
27a68fe3 | 2882 | static s32 brcmf_iscan_inprogress(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2883 | { |
27a68fe3 | 2884 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; |
5b435de0 AS |
2885 | s32 err = 0; |
2886 | ||
27a68fe3 | 2887 | brcmf_inform_bss(cfg); |
5b435de0 AS |
2888 | brcmf_run_iscan(iscan, NULL, BRCMF_SCAN_ACTION_CONTINUE); |
2889 | /* Reschedule the timer */ | |
2890 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); | |
2891 | iscan->timer_on = 1; | |
2892 | ||
2893 | return err; | |
2894 | } | |
2895 | ||
27a68fe3 | 2896 | static s32 brcmf_iscan_aborted(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2897 | { |
27a68fe3 | 2898 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; |
5b435de0 AS |
2899 | s32 err = 0; |
2900 | ||
2901 | iscan->state = WL_ISCAN_STATE_IDLE; | |
2902 | brcmf_notify_iscan_complete(iscan, true); | |
2903 | ||
2904 | return err; | |
2905 | } | |
2906 | ||
2907 | static void brcmf_cfg80211_iscan_handler(struct work_struct *work) | |
2908 | { | |
2909 | struct brcmf_cfg80211_iscan_ctrl *iscan = | |
2910 | container_of(work, struct brcmf_cfg80211_iscan_ctrl, | |
2911 | work); | |
27a68fe3 | 2912 | struct brcmf_cfg80211_info *cfg = iscan_to_cfg(iscan); |
5b435de0 AS |
2913 | struct brcmf_cfg80211_iscan_eloop *el = &iscan->el; |
2914 | u32 status = BRCMF_SCAN_RESULTS_PARTIAL; | |
2915 | ||
2916 | if (iscan->timer_on) { | |
2917 | del_timer_sync(&iscan->timer); | |
2918 | iscan->timer_on = 0; | |
2919 | } | |
2920 | ||
27a68fe3 | 2921 | if (brcmf_get_iscan_results(iscan, &status, &cfg->bss_list)) { |
5b435de0 AS |
2922 | status = BRCMF_SCAN_RESULTS_ABORTED; |
2923 | WL_ERR("Abort iscan\n"); | |
2924 | } | |
2925 | ||
27a68fe3 | 2926 | el->handler[status](cfg); |
5b435de0 AS |
2927 | } |
2928 | ||
2929 | static void brcmf_iscan_timer(unsigned long data) | |
2930 | { | |
2931 | struct brcmf_cfg80211_iscan_ctrl *iscan = | |
2932 | (struct brcmf_cfg80211_iscan_ctrl *)data; | |
2933 | ||
2934 | if (iscan) { | |
2935 | iscan->timer_on = 0; | |
2936 | WL_SCAN("timer expired\n"); | |
2937 | brcmf_wakeup_iscan(iscan); | |
2938 | } | |
2939 | } | |
2940 | ||
27a68fe3 | 2941 | static s32 brcmf_invoke_iscan(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2942 | { |
27a68fe3 | 2943 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); |
5b435de0 | 2944 | |
27a68fe3 | 2945 | if (cfg->iscan_on) { |
5b435de0 AS |
2946 | iscan->state = WL_ISCAN_STATE_IDLE; |
2947 | INIT_WORK(&iscan->work, brcmf_cfg80211_iscan_handler); | |
2948 | } | |
2949 | ||
2950 | return 0; | |
2951 | } | |
2952 | ||
2953 | static void brcmf_init_iscan_eloop(struct brcmf_cfg80211_iscan_eloop *el) | |
2954 | { | |
2955 | memset(el, 0, sizeof(*el)); | |
2956 | el->handler[BRCMF_SCAN_RESULTS_SUCCESS] = brcmf_iscan_done; | |
2957 | el->handler[BRCMF_SCAN_RESULTS_PARTIAL] = brcmf_iscan_inprogress; | |
2958 | el->handler[BRCMF_SCAN_RESULTS_PENDING] = brcmf_iscan_pending; | |
2959 | el->handler[BRCMF_SCAN_RESULTS_ABORTED] = brcmf_iscan_aborted; | |
2960 | el->handler[BRCMF_SCAN_RESULTS_NO_MEM] = brcmf_iscan_aborted; | |
2961 | } | |
2962 | ||
27a68fe3 | 2963 | static s32 brcmf_init_iscan(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 2964 | { |
27a68fe3 | 2965 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); |
5b435de0 AS |
2966 | int err = 0; |
2967 | ||
27a68fe3 AS |
2968 | if (cfg->iscan_on) { |
2969 | iscan->ndev = cfg_to_ndev(cfg); | |
5b435de0 AS |
2970 | brcmf_init_iscan_eloop(&iscan->el); |
2971 | iscan->timer_ms = WL_ISCAN_TIMER_INTERVAL_MS; | |
2972 | init_timer(&iscan->timer); | |
2973 | iscan->timer.data = (unsigned long) iscan; | |
2974 | iscan->timer.function = brcmf_iscan_timer; | |
27a68fe3 | 2975 | err = brcmf_invoke_iscan(cfg); |
5b435de0 | 2976 | if (!err) |
27a68fe3 | 2977 | iscan->data = cfg; |
5b435de0 AS |
2978 | } |
2979 | ||
2980 | return err; | |
2981 | } | |
2982 | ||
e756af5b HM |
2983 | static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) |
2984 | { | |
27a68fe3 AS |
2985 | struct brcmf_cfg80211_info *cfg = |
2986 | container_of(work, struct brcmf_cfg80211_info, | |
e756af5b HM |
2987 | escan_timeout_work); |
2988 | ||
27a68fe3 AS |
2989 | brcmf_notify_escan_complete(cfg, |
2990 | cfg->escan_info.ndev, true, true); | |
e756af5b HM |
2991 | } |
2992 | ||
2993 | static void brcmf_escan_timeout(unsigned long data) | |
2994 | { | |
27a68fe3 AS |
2995 | struct brcmf_cfg80211_info *cfg = |
2996 | (struct brcmf_cfg80211_info *)data; | |
e756af5b | 2997 | |
27a68fe3 | 2998 | if (cfg->scan_request) { |
e756af5b | 2999 | WL_ERR("timer expired\n"); |
27a68fe3 AS |
3000 | if (cfg->escan_on) |
3001 | schedule_work(&cfg->escan_timeout_work); | |
e756af5b HM |
3002 | } |
3003 | } | |
3004 | ||
3005 | static s32 | |
3006 | brcmf_compare_update_same_bss(struct brcmf_bss_info_le *bss, | |
3007 | struct brcmf_bss_info_le *bss_info_le) | |
3008 | { | |
3009 | if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && | |
3010 | (CHSPEC_BAND(le16_to_cpu(bss_info_le->chanspec)) == | |
3011 | CHSPEC_BAND(le16_to_cpu(bss->chanspec))) && | |
3012 | bss_info_le->SSID_len == bss->SSID_len && | |
3013 | !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { | |
3014 | if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) == | |
3015 | (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL)) { | |
029591f3 AS |
3016 | s16 bss_rssi = le16_to_cpu(bss->RSSI); |
3017 | s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI); | |
3018 | ||
e756af5b HM |
3019 | /* preserve max RSSI if the measurements are |
3020 | * both on-channel or both off-channel | |
3021 | */ | |
029591f3 | 3022 | if (bss_info_rssi > bss_rssi) |
e756af5b HM |
3023 | bss->RSSI = bss_info_le->RSSI; |
3024 | } else if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) && | |
3025 | (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL) == 0) { | |
3026 | /* preserve the on-channel rssi measurement | |
3027 | * if the new measurement is off channel | |
3028 | */ | |
3029 | bss->RSSI = bss_info_le->RSSI; | |
3030 | bss->flags |= WLC_BSS_RSSI_ON_CHANNEL; | |
3031 | } | |
3032 | return 1; | |
3033 | } | |
3034 | return 0; | |
3035 | } | |
3036 | ||
3037 | static s32 | |
27a68fe3 | 3038 | brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg, |
e756af5b HM |
3039 | struct net_device *ndev, |
3040 | const struct brcmf_event_msg *e, void *data) | |
3041 | { | |
3042 | s32 status; | |
3043 | s32 err = 0; | |
3044 | struct brcmf_escan_result_le *escan_result_le; | |
3045 | struct brcmf_bss_info_le *bss_info_le; | |
3046 | struct brcmf_bss_info_le *bss = NULL; | |
3047 | u32 bi_length; | |
3048 | struct brcmf_scan_results *list; | |
3049 | u32 i; | |
97ed15c7 | 3050 | bool aborted; |
e756af5b HM |
3051 | |
3052 | status = be32_to_cpu(e->status); | |
3053 | ||
27a68fe3 AS |
3054 | if (!ndev || !cfg->escan_on || |
3055 | !test_bit(WL_STATUS_SCANNING, &cfg->status)) { | |
e756af5b | 3056 | WL_ERR("scan not ready ndev %p wl->escan_on %d drv_status %x\n", |
27a68fe3 AS |
3057 | ndev, cfg->escan_on, |
3058 | !test_bit(WL_STATUS_SCANNING, &cfg->status)); | |
e756af5b HM |
3059 | return -EPERM; |
3060 | } | |
3061 | ||
3062 | if (status == BRCMF_E_STATUS_PARTIAL) { | |
3063 | WL_SCAN("ESCAN Partial result\n"); | |
3064 | escan_result_le = (struct brcmf_escan_result_le *) data; | |
3065 | if (!escan_result_le) { | |
3066 | WL_ERR("Invalid escan result (NULL pointer)\n"); | |
3067 | goto exit; | |
3068 | } | |
27a68fe3 | 3069 | if (!cfg->scan_request) { |
e756af5b HM |
3070 | WL_SCAN("result without cfg80211 request\n"); |
3071 | goto exit; | |
3072 | } | |
3073 | ||
3074 | if (le16_to_cpu(escan_result_le->bss_count) != 1) { | |
3075 | WL_ERR("Invalid bss_count %d: ignoring\n", | |
3076 | escan_result_le->bss_count); | |
3077 | goto exit; | |
3078 | } | |
3079 | bss_info_le = &escan_result_le->bss_info_le; | |
3080 | ||
3081 | bi_length = le32_to_cpu(bss_info_le->length); | |
3082 | if (bi_length != (le32_to_cpu(escan_result_le->buflen) - | |
3083 | WL_ESCAN_RESULTS_FIXED_SIZE)) { | |
3084 | WL_ERR("Invalid bss_info length %d: ignoring\n", | |
3085 | bi_length); | |
3086 | goto exit; | |
3087 | } | |
3088 | ||
27a68fe3 | 3089 | if (!(cfg_to_wiphy(cfg)->interface_modes & |
e756af5b HM |
3090 | BIT(NL80211_IFTYPE_ADHOC))) { |
3091 | if (le16_to_cpu(bss_info_le->capability) & | |
3092 | WLAN_CAPABILITY_IBSS) { | |
3093 | WL_ERR("Ignoring IBSS result\n"); | |
3094 | goto exit; | |
3095 | } | |
3096 | } | |
3097 | ||
3098 | list = (struct brcmf_scan_results *) | |
27a68fe3 | 3099 | cfg->escan_info.escan_buf; |
e756af5b HM |
3100 | if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) { |
3101 | WL_ERR("Buffer is too small: ignoring\n"); | |
3102 | goto exit; | |
3103 | } | |
3104 | ||
3105 | for (i = 0; i < list->count; i++) { | |
3106 | bss = bss ? (struct brcmf_bss_info_le *) | |
3107 | ((unsigned char *)bss + | |
3108 | le32_to_cpu(bss->length)) : list->bss_info_le; | |
3109 | if (brcmf_compare_update_same_bss(bss, bss_info_le)) | |
3110 | goto exit; | |
3111 | } | |
27a68fe3 | 3112 | memcpy(&(cfg->escan_info.escan_buf[list->buflen]), |
e756af5b HM |
3113 | bss_info_le, bi_length); |
3114 | list->version = le32_to_cpu(bss_info_le->version); | |
3115 | list->buflen += bi_length; | |
3116 | list->count++; | |
3117 | } else { | |
27a68fe3 AS |
3118 | cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
3119 | if (cfg->scan_request) { | |
3120 | cfg->bss_list = (struct brcmf_scan_results *) | |
3121 | cfg->escan_info.escan_buf; | |
3122 | brcmf_inform_bss(cfg); | |
97ed15c7 | 3123 | aborted = status != BRCMF_E_STATUS_SUCCESS; |
27a68fe3 | 3124 | brcmf_notify_escan_complete(cfg, ndev, aborted, |
97ed15c7 | 3125 | false); |
e756af5b HM |
3126 | } else |
3127 | WL_ERR("Unexpected scan result 0x%x\n", status); | |
3128 | } | |
3129 | exit: | |
3130 | return err; | |
3131 | } | |
3132 | ||
27a68fe3 | 3133 | static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg) |
e756af5b HM |
3134 | { |
3135 | ||
27a68fe3 AS |
3136 | if (cfg->escan_on) { |
3137 | cfg->el.handler[BRCMF_E_ESCAN_RESULT] = | |
e756af5b | 3138 | brcmf_cfg80211_escan_handler; |
27a68fe3 | 3139 | cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
e756af5b | 3140 | /* Init scan_timeout timer */ |
27a68fe3 AS |
3141 | init_timer(&cfg->escan_timeout); |
3142 | cfg->escan_timeout.data = (unsigned long) cfg; | |
3143 | cfg->escan_timeout.function = brcmf_escan_timeout; | |
3144 | INIT_WORK(&cfg->escan_timeout_work, | |
e756af5b HM |
3145 | brcmf_cfg80211_escan_timeout_worker); |
3146 | } | |
3147 | } | |
3148 | ||
5addc0de | 3149 | static __always_inline void brcmf_delay(u32 ms) |
5b435de0 AS |
3150 | { |
3151 | if (ms < 1000 / HZ) { | |
3152 | cond_resched(); | |
3153 | mdelay(ms); | |
3154 | } else { | |
3155 | msleep(ms); | |
3156 | } | |
3157 | } | |
3158 | ||
3159 | static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) | |
3160 | { | |
27a68fe3 | 3161 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 AS |
3162 | |
3163 | /* | |
3164 | * Check for WL_STATUS_READY before any function call which | |
3165 | * could result is bus access. Don't block the resume for | |
3166 | * any driver error conditions | |
3167 | */ | |
3168 | WL_TRACE("Enter\n"); | |
3169 | ||
27a68fe3 | 3170 | if (test_bit(WL_STATUS_READY, &cfg->status)) |
5b435de0 AS |
3171 | brcmf_invoke_iscan(wiphy_to_cfg(wiphy)); |
3172 | ||
3173 | WL_TRACE("Exit\n"); | |
3174 | return 0; | |
3175 | } | |
3176 | ||
3177 | static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, | |
3178 | struct cfg80211_wowlan *wow) | |
3179 | { | |
27a68fe3 AS |
3180 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
3181 | struct net_device *ndev = cfg_to_ndev(cfg); | |
5b435de0 AS |
3182 | |
3183 | WL_TRACE("Enter\n"); | |
3184 | ||
3185 | /* | |
3186 | * Check for WL_STATUS_READY before any function call which | |
3187 | * could result is bus access. Don't block the suspend for | |
3188 | * any driver error conditions | |
3189 | */ | |
3190 | ||
3191 | /* | |
3192 | * While going to suspend if associated with AP disassociate | |
3193 | * from AP to save power while system is in suspended state | |
3194 | */ | |
27a68fe3 AS |
3195 | if ((test_bit(WL_STATUS_CONNECTED, &cfg->status) || |
3196 | test_bit(WL_STATUS_CONNECTING, &cfg->status)) && | |
3197 | test_bit(WL_STATUS_READY, &cfg->status)) { | |
5b435de0 AS |
3198 | WL_INFO("Disassociating from AP" |
3199 | " while entering suspend state\n"); | |
27a68fe3 | 3200 | brcmf_link_down(cfg); |
5b435de0 AS |
3201 | |
3202 | /* | |
3203 | * Make sure WPA_Supplicant receives all the event | |
3204 | * generated due to DISASSOC call to the fw to keep | |
3205 | * the state fw and WPA_Supplicant state consistent | |
3206 | */ | |
3207 | brcmf_delay(500); | |
3208 | } | |
3209 | ||
27a68fe3 AS |
3210 | if (test_bit(WL_STATUS_READY, &cfg->status)) |
3211 | brcmf_abort_scanning(cfg); | |
108a4bee | 3212 | else |
27a68fe3 | 3213 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
5b435de0 AS |
3214 | |
3215 | /* Turn off watchdog timer */ | |
27a68fe3 | 3216 | if (test_bit(WL_STATUS_READY, &cfg->status)) |
5b435de0 | 3217 | brcmf_set_mpc(ndev, 1); |
5b435de0 AS |
3218 | |
3219 | WL_TRACE("Exit\n"); | |
3220 | ||
3221 | return 0; | |
3222 | } | |
3223 | ||
3224 | static __used s32 | |
3225 | brcmf_dev_bufvar_set(struct net_device *ndev, s8 *name, s8 *buf, s32 len) | |
3226 | { | |
27a68fe3 | 3227 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
5b435de0 AS |
3228 | u32 buflen; |
3229 | ||
27a68fe3 | 3230 | buflen = brcmf_c_mkiovar(name, buf, len, cfg->dcmd_buf, |
5b435de0 AS |
3231 | WL_DCMD_LEN_MAX); |
3232 | BUG_ON(!buflen); | |
3233 | ||
27a68fe3 | 3234 | return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, cfg->dcmd_buf, |
5b435de0 AS |
3235 | buflen); |
3236 | } | |
3237 | ||
3238 | static s32 | |
3239 | brcmf_dev_bufvar_get(struct net_device *ndev, s8 *name, s8 *buf, | |
3240 | s32 buf_len) | |
3241 | { | |
27a68fe3 | 3242 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
5b435de0 AS |
3243 | u32 len; |
3244 | s32 err = 0; | |
3245 | ||
27a68fe3 | 3246 | len = brcmf_c_mkiovar(name, NULL, 0, cfg->dcmd_buf, |
5b435de0 AS |
3247 | WL_DCMD_LEN_MAX); |
3248 | BUG_ON(!len); | |
27a68fe3 | 3249 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, cfg->dcmd_buf, |
5b435de0 AS |
3250 | WL_DCMD_LEN_MAX); |
3251 | if (err) { | |
3252 | WL_ERR("error (%d)\n", err); | |
3253 | return err; | |
3254 | } | |
27a68fe3 | 3255 | memcpy(buf, cfg->dcmd_buf, buf_len); |
5b435de0 AS |
3256 | |
3257 | return err; | |
3258 | } | |
3259 | ||
3260 | static __used s32 | |
3261 | brcmf_update_pmklist(struct net_device *ndev, | |
3262 | struct brcmf_cfg80211_pmk_list *pmk_list, s32 err) | |
3263 | { | |
3264 | int i, j; | |
40c8e95a | 3265 | int pmkid_len; |
5b435de0 | 3266 | |
40c8e95a AS |
3267 | pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid); |
3268 | ||
3269 | WL_CONN("No of elements %d\n", pmkid_len); | |
3270 | for (i = 0; i < pmkid_len; i++) { | |
5b435de0 AS |
3271 | WL_CONN("PMKID[%d]: %pM =\n", i, |
3272 | &pmk_list->pmkids.pmkid[i].BSSID); | |
3273 | for (j = 0; j < WLAN_PMKID_LEN; j++) | |
3274 | WL_CONN("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]); | |
3275 | } | |
3276 | ||
3277 | if (!err) | |
3278 | brcmf_dev_bufvar_set(ndev, "pmkid_info", (char *)pmk_list, | |
3279 | sizeof(*pmk_list)); | |
3280 | ||
3281 | return err; | |
3282 | } | |
3283 | ||
3284 | static s32 | |
3285 | brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, | |
3286 | struct cfg80211_pmksa *pmksa) | |
3287 | { | |
27a68fe3 AS |
3288 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
3289 | struct pmkid_list *pmkids = &cfg->pmk_list->pmkids; | |
5b435de0 AS |
3290 | s32 err = 0; |
3291 | int i; | |
40c8e95a | 3292 | int pmkid_len; |
5b435de0 AS |
3293 | |
3294 | WL_TRACE("Enter\n"); | |
3295 | if (!check_sys_up(wiphy)) | |
3296 | return -EIO; | |
3297 | ||
40c8e95a AS |
3298 | pmkid_len = le32_to_cpu(pmkids->npmkid); |
3299 | for (i = 0; i < pmkid_len; i++) | |
5b435de0 AS |
3300 | if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN)) |
3301 | break; | |
3302 | if (i < WL_NUM_PMKIDS_MAX) { | |
3303 | memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN); | |
3304 | memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); | |
40c8e95a AS |
3305 | if (i == pmkid_len) { |
3306 | pmkid_len++; | |
3307 | pmkids->npmkid = cpu_to_le32(pmkid_len); | |
3308 | } | |
5b435de0 AS |
3309 | } else |
3310 | err = -EINVAL; | |
3311 | ||
3312 | WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", | |
40c8e95a | 3313 | pmkids->pmkid[pmkid_len].BSSID); |
5b435de0 | 3314 | for (i = 0; i < WLAN_PMKID_LEN; i++) |
40c8e95a | 3315 | WL_CONN("%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]); |
5b435de0 | 3316 | |
27a68fe3 | 3317 | err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); |
5b435de0 AS |
3318 | |
3319 | WL_TRACE("Exit\n"); | |
3320 | return err; | |
3321 | } | |
3322 | ||
3323 | static s32 | |
3324 | brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, | |
3325 | struct cfg80211_pmksa *pmksa) | |
3326 | { | |
27a68fe3 | 3327 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 AS |
3328 | struct pmkid_list pmkid; |
3329 | s32 err = 0; | |
40c8e95a | 3330 | int i, pmkid_len; |
5b435de0 AS |
3331 | |
3332 | WL_TRACE("Enter\n"); | |
3333 | if (!check_sys_up(wiphy)) | |
3334 | return -EIO; | |
3335 | ||
3336 | memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN); | |
3337 | memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); | |
3338 | ||
3339 | WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", | |
3340 | &pmkid.pmkid[0].BSSID); | |
3341 | for (i = 0; i < WLAN_PMKID_LEN; i++) | |
3342 | WL_CONN("%02x\n", pmkid.pmkid[0].PMKID[i]); | |
3343 | ||
27a68fe3 | 3344 | pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid); |
40c8e95a | 3345 | for (i = 0; i < pmkid_len; i++) |
5b435de0 | 3346 | if (!memcmp |
27a68fe3 | 3347 | (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID, |
5b435de0 AS |
3348 | ETH_ALEN)) |
3349 | break; | |
3350 | ||
40c8e95a AS |
3351 | if ((pmkid_len > 0) |
3352 | && (i < pmkid_len)) { | |
27a68fe3 | 3353 | memset(&cfg->pmk_list->pmkids.pmkid[i], 0, |
5b435de0 | 3354 | sizeof(struct pmkid)); |
40c8e95a | 3355 | for (; i < (pmkid_len - 1); i++) { |
27a68fe3 AS |
3356 | memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID, |
3357 | &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID, | |
5b435de0 | 3358 | ETH_ALEN); |
27a68fe3 AS |
3359 | memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID, |
3360 | &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID, | |
5b435de0 AS |
3361 | WLAN_PMKID_LEN); |
3362 | } | |
27a68fe3 | 3363 | cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1); |
5b435de0 AS |
3364 | } else |
3365 | err = -EINVAL; | |
3366 | ||
27a68fe3 | 3367 | err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); |
5b435de0 AS |
3368 | |
3369 | WL_TRACE("Exit\n"); | |
3370 | return err; | |
3371 | ||
3372 | } | |
3373 | ||
3374 | static s32 | |
3375 | brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) | |
3376 | { | |
27a68fe3 | 3377 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
5b435de0 AS |
3378 | s32 err = 0; |
3379 | ||
3380 | WL_TRACE("Enter\n"); | |
3381 | if (!check_sys_up(wiphy)) | |
3382 | return -EIO; | |
3383 | ||
27a68fe3 AS |
3384 | memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list)); |
3385 | err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); | |
5b435de0 AS |
3386 | |
3387 | WL_TRACE("Exit\n"); | |
3388 | return err; | |
3389 | ||
3390 | } | |
3391 | ||
e5806072 AS |
3392 | /* |
3393 | * PFN result doesn't have all the info which are | |
3394 | * required by the supplicant | |
3395 | * (For e.g IEs) Do a target Escan so that sched scan results are reported | |
3396 | * via wl_inform_single_bss in the required format. Escan does require the | |
3397 | * scan request in the form of cfg80211_scan_request. For timebeing, create | |
3398 | * cfg80211_scan_request one out of the received PNO event. | |
3399 | */ | |
3400 | static s32 | |
27a68fe3 | 3401 | brcmf_notify_sched_scan_results(struct brcmf_cfg80211_info *cfg, |
e5806072 AS |
3402 | struct net_device *ndev, |
3403 | const struct brcmf_event_msg *e, void *data) | |
3404 | { | |
3405 | struct brcmf_pno_net_info_le *netinfo, *netinfo_start; | |
3406 | struct cfg80211_scan_request *request = NULL; | |
3407 | struct cfg80211_ssid *ssid = NULL; | |
3408 | struct ieee80211_channel *channel = NULL; | |
27a68fe3 | 3409 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
e5806072 AS |
3410 | int err = 0; |
3411 | int channel_req = 0; | |
3412 | int band = 0; | |
3413 | struct brcmf_pno_scanresults_le *pfn_result; | |
3414 | u32 result_count; | |
3415 | u32 status; | |
3416 | ||
3417 | WL_SCAN("Enter\n"); | |
3418 | ||
3419 | if (e->event_type == cpu_to_be32(BRCMF_E_PFN_NET_LOST)) { | |
3420 | WL_SCAN("PFN NET LOST event. Do Nothing\n"); | |
3421 | return 0; | |
3422 | } | |
3423 | ||
3424 | pfn_result = (struct brcmf_pno_scanresults_le *)data; | |
3425 | result_count = le32_to_cpu(pfn_result->count); | |
3426 | status = le32_to_cpu(pfn_result->status); | |
3427 | ||
3428 | /* | |
3429 | * PFN event is limited to fit 512 bytes so we may get | |
3430 | * multiple NET_FOUND events. For now place a warning here. | |
3431 | */ | |
3432 | WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE); | |
3433 | WL_SCAN("PFN NET FOUND event. count: %d\n", result_count); | |
3434 | if (result_count > 0) { | |
3435 | int i; | |
3436 | ||
3437 | request = kzalloc(sizeof(*request), GFP_KERNEL); | |
58901d18 DC |
3438 | ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL); |
3439 | channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL); | |
e5806072 AS |
3440 | if (!request || !ssid || !channel) { |
3441 | err = -ENOMEM; | |
3442 | goto out_err; | |
3443 | } | |
3444 | ||
3445 | request->wiphy = wiphy; | |
3446 | data += sizeof(struct brcmf_pno_scanresults_le); | |
3447 | netinfo_start = (struct brcmf_pno_net_info_le *)data; | |
3448 | ||
3449 | for (i = 0; i < result_count; i++) { | |
3450 | netinfo = &netinfo_start[i]; | |
3451 | if (!netinfo) { | |
3452 | WL_ERR("Invalid netinfo ptr. index: %d\n", i); | |
3453 | err = -EINVAL; | |
3454 | goto out_err; | |
3455 | } | |
3456 | ||
3457 | WL_SCAN("SSID:%s Channel:%d\n", | |
3458 | netinfo->SSID, netinfo->channel); | |
3459 | memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len); | |
3460 | ssid[i].ssid_len = netinfo->SSID_len; | |
3461 | request->n_ssids++; | |
3462 | ||
3463 | channel_req = netinfo->channel; | |
3464 | if (channel_req <= CH_MAX_2G_CHANNEL) | |
3465 | band = NL80211_BAND_2GHZ; | |
3466 | else | |
3467 | band = NL80211_BAND_5GHZ; | |
3468 | channel[i].center_freq = | |
3469 | ieee80211_channel_to_frequency(channel_req, | |
3470 | band); | |
3471 | channel[i].band = band; | |
3472 | channel[i].flags |= IEEE80211_CHAN_NO_HT40; | |
3473 | request->channels[i] = &channel[i]; | |
3474 | request->n_channels++; | |
3475 | } | |
3476 | ||
3477 | /* assign parsed ssid array */ | |
3478 | if (request->n_ssids) | |
3479 | request->ssids = &ssid[0]; | |
3480 | ||
27a68fe3 | 3481 | if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { |
e5806072 | 3482 | /* Abort any on-going scan */ |
27a68fe3 | 3483 | brcmf_abort_scanning(cfg); |
e5806072 AS |
3484 | } |
3485 | ||
27a68fe3 AS |
3486 | set_bit(WL_STATUS_SCANNING, &cfg->status); |
3487 | err = brcmf_do_escan(cfg, wiphy, ndev, request); | |
e5806072 | 3488 | if (err) { |
27a68fe3 | 3489 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
e5806072 AS |
3490 | goto out_err; |
3491 | } | |
27a68fe3 AS |
3492 | cfg->sched_escan = true; |
3493 | cfg->scan_request = request; | |
e5806072 AS |
3494 | } else { |
3495 | WL_ERR("FALSE PNO Event. (pfn_count == 0)\n"); | |
3496 | goto out_err; | |
3497 | } | |
3498 | ||
3499 | kfree(ssid); | |
3500 | kfree(channel); | |
3501 | kfree(request); | |
3502 | return 0; | |
3503 | ||
3504 | out_err: | |
3505 | kfree(ssid); | |
3506 | kfree(channel); | |
3507 | kfree(request); | |
3508 | cfg80211_sched_scan_stopped(wiphy); | |
3509 | return err; | |
3510 | } | |
3511 | ||
3512 | #ifndef CONFIG_BRCMISCAN | |
3513 | static int brcmf_dev_pno_clean(struct net_device *ndev) | |
3514 | { | |
3515 | char iovbuf[128]; | |
3516 | int ret; | |
3517 | ||
3518 | /* Disable pfn */ | |
3519 | ret = brcmf_dev_intvar_set(ndev, "pfn", 0); | |
3520 | if (ret == 0) { | |
3521 | /* clear pfn */ | |
3522 | ret = brcmf_dev_iovar_setbuf(ndev, "pfnclear", NULL, 0, | |
3523 | iovbuf, sizeof(iovbuf)); | |
3524 | } | |
3525 | if (ret < 0) | |
3526 | WL_ERR("failed code %d\n", ret); | |
3527 | ||
3528 | return ret; | |
3529 | } | |
3530 | ||
3531 | static int brcmf_dev_pno_config(struct net_device *ndev) | |
3532 | { | |
3533 | struct brcmf_pno_param_le pfn_param; | |
3534 | char iovbuf[128]; | |
3535 | ||
3536 | memset(&pfn_param, 0, sizeof(pfn_param)); | |
3537 | pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION); | |
3538 | ||
3539 | /* set extra pno params */ | |
3540 | pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT); | |
3541 | pfn_param.repeat = BRCMF_PNO_REPEAT; | |
3542 | pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX; | |
3543 | ||
3544 | /* set up pno scan fr */ | |
3545 | pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME); | |
3546 | ||
3547 | return brcmf_dev_iovar_setbuf(ndev, "pfn_set", | |
3548 | &pfn_param, sizeof(pfn_param), | |
3549 | iovbuf, sizeof(iovbuf)); | |
3550 | } | |
3551 | ||
3552 | static int | |
3553 | brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, | |
3554 | struct net_device *ndev, | |
3555 | struct cfg80211_sched_scan_request *request) | |
3556 | { | |
3557 | char iovbuf[128]; | |
27a68fe3 | 3558 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
e5806072 AS |
3559 | struct brcmf_pno_net_param_le pfn; |
3560 | int i; | |
3561 | int ret = 0; | |
3562 | ||
3563 | WL_SCAN("Enter n_match_sets:%d n_ssids:%d\n", | |
3564 | request->n_match_sets, request->n_ssids); | |
27a68fe3 AS |
3565 | if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { |
3566 | WL_ERR("Scanning already : status (%lu)\n", cfg->status); | |
e5806072 AS |
3567 | return -EAGAIN; |
3568 | } | |
3569 | ||
3570 | if (!request || !request->n_ssids || !request->n_match_sets) { | |
3571 | WL_ERR("Invalid sched scan req!! n_ssids:%d\n", | |
3572 | request->n_ssids); | |
3573 | return -EINVAL; | |
3574 | } | |
3575 | ||
3576 | if (request->n_ssids > 0) { | |
3577 | for (i = 0; i < request->n_ssids; i++) { | |
3578 | /* Active scan req for ssids */ | |
3579 | WL_SCAN(">>> Active scan req for ssid (%s)\n", | |
3580 | request->ssids[i].ssid); | |
3581 | ||
3582 | /* | |
3583 | * match_set ssids is a supert set of n_ssid list, | |
3584 | * so we need not add these set seperately. | |
3585 | */ | |
3586 | } | |
3587 | } | |
3588 | ||
3589 | if (request->n_match_sets > 0) { | |
3590 | /* clean up everything */ | |
3591 | ret = brcmf_dev_pno_clean(ndev); | |
3592 | if (ret < 0) { | |
3593 | WL_ERR("failed error=%d\n", ret); | |
3594 | return ret; | |
3595 | } | |
3596 | ||
3597 | /* configure pno */ | |
3598 | ret = brcmf_dev_pno_config(ndev); | |
3599 | if (ret < 0) { | |
3600 | WL_ERR("PNO setup failed!! ret=%d\n", ret); | |
3601 | return -EINVAL; | |
3602 | } | |
3603 | ||
3604 | /* configure each match set */ | |
3605 | for (i = 0; i < request->n_match_sets; i++) { | |
3606 | struct cfg80211_ssid *ssid; | |
3607 | u32 ssid_len; | |
3608 | ||
3609 | ssid = &request->match_sets[i].ssid; | |
3610 | ssid_len = ssid->ssid_len; | |
3611 | ||
3612 | if (!ssid_len) { | |
3613 | WL_ERR("skip broadcast ssid\n"); | |
3614 | continue; | |
3615 | } | |
3616 | pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN); | |
3617 | pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY); | |
3618 | pfn.wsec = cpu_to_le32(0); | |
3619 | pfn.infra = cpu_to_le32(1); | |
3620 | pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT); | |
3621 | pfn.ssid.SSID_len = cpu_to_le32(ssid_len); | |
3622 | memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len); | |
3623 | ret = brcmf_dev_iovar_setbuf(ndev, "pfn_add", | |
3624 | &pfn, sizeof(pfn), | |
3625 | iovbuf, sizeof(iovbuf)); | |
3626 | WL_SCAN(">>> PNO filter %s for ssid (%s)\n", | |
3627 | ret == 0 ? "set" : "failed", | |
3628 | ssid->ssid); | |
3629 | } | |
3630 | /* Enable the PNO */ | |
3631 | if (brcmf_dev_intvar_set(ndev, "pfn", 1) < 0) { | |
3632 | WL_ERR("PNO enable failed!! ret=%d\n", ret); | |
3633 | return -EINVAL; | |
3634 | } | |
3635 | } else { | |
3636 | return -EINVAL; | |
3637 | } | |
3638 | ||
3639 | return 0; | |
3640 | } | |
3641 | ||
3642 | static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy, | |
3643 | struct net_device *ndev) | |
3644 | { | |
27a68fe3 | 3645 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
e5806072 AS |
3646 | |
3647 | WL_SCAN("enter\n"); | |
3648 | brcmf_dev_pno_clean(ndev); | |
27a68fe3 AS |
3649 | if (cfg->sched_escan) |
3650 | brcmf_notify_escan_complete(cfg, ndev, true, true); | |
e5806072 AS |
3651 | return 0; |
3652 | } | |
3653 | #endif /* CONFIG_BRCMISCAN */ | |
3654 | ||
cbaa177d AS |
3655 | #ifdef CONFIG_NL80211_TESTMODE |
3656 | static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len) | |
3657 | { | |
27a68fe3 AS |
3658 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
3659 | struct net_device *ndev = cfg->wdev->netdev; | |
cbaa177d AS |
3660 | struct brcmf_dcmd *dcmd = data; |
3661 | struct sk_buff *reply; | |
3662 | int ret; | |
3663 | ||
3664 | ret = brcmf_netlink_dcmd(ndev, dcmd); | |
3665 | if (ret == 0) { | |
3666 | reply = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(*dcmd)); | |
3667 | nla_put(reply, NL80211_ATTR_TESTDATA, sizeof(*dcmd), dcmd); | |
3668 | ret = cfg80211_testmode_reply(reply); | |
3669 | } | |
3670 | return ret; | |
3671 | } | |
3672 | #endif | |
3673 | ||
1a873342 HM |
3674 | static s32 brcmf_configure_opensecurity(struct net_device *ndev, s32 bssidx) |
3675 | { | |
3676 | s32 err; | |
3677 | ||
3678 | /* set auth */ | |
3679 | err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", 0, bssidx); | |
3680 | if (err < 0) { | |
3681 | WL_ERR("auth error %d\n", err); | |
3682 | return err; | |
3683 | } | |
3684 | /* set wsec */ | |
3685 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", 0, bssidx); | |
3686 | if (err < 0) { | |
3687 | WL_ERR("wsec error %d\n", err); | |
3688 | return err; | |
3689 | } | |
3690 | /* set upper-layer auth */ | |
3691 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wpa_auth", | |
3692 | WPA_AUTH_NONE, bssidx); | |
3693 | if (err < 0) { | |
3694 | WL_ERR("wpa_auth error %d\n", err); | |
3695 | return err; | |
3696 | } | |
3697 | ||
3698 | return 0; | |
3699 | } | |
3700 | ||
3701 | static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie) | |
3702 | { | |
3703 | if (is_rsn_ie) | |
3704 | return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0); | |
3705 | ||
3706 | return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0); | |
3707 | } | |
3708 | ||
3709 | static s32 | |
3710 | brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, | |
3711 | bool is_rsn_ie, s32 bssidx) | |
3712 | { | |
3713 | u32 auth = 0; /* d11 open authentication */ | |
3714 | u16 count; | |
3715 | s32 err = 0; | |
3716 | s32 len = 0; | |
3717 | u32 i; | |
3718 | u32 wsec; | |
3719 | u32 pval = 0; | |
3720 | u32 gval = 0; | |
3721 | u32 wpa_auth = 0; | |
3722 | u32 offset; | |
3723 | u8 *data; | |
3724 | u16 rsn_cap; | |
3725 | u32 wme_bss_disable; | |
3726 | ||
3727 | WL_TRACE("Enter\n"); | |
3728 | if (wpa_ie == NULL) | |
3729 | goto exit; | |
3730 | ||
3731 | len = wpa_ie->len + TLV_HDR_LEN; | |
3732 | data = (u8 *)wpa_ie; | |
3733 | offset = 0; | |
3734 | if (!is_rsn_ie) | |
3735 | offset += VS_IE_FIXED_HDR_LEN; | |
3736 | offset += WPA_IE_VERSION_LEN; | |
3737 | ||
3738 | /* check for multicast cipher suite */ | |
3739 | if (offset + WPA_IE_MIN_OUI_LEN > len) { | |
3740 | err = -EINVAL; | |
3741 | WL_ERR("no multicast cipher suite\n"); | |
3742 | goto exit; | |
3743 | } | |
3744 | ||
3745 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { | |
3746 | err = -EINVAL; | |
3747 | WL_ERR("ivalid OUI\n"); | |
3748 | goto exit; | |
3749 | } | |
3750 | offset += TLV_OUI_LEN; | |
3751 | ||
3752 | /* pick up multicast cipher */ | |
3753 | switch (data[offset]) { | |
3754 | case WPA_CIPHER_NONE: | |
3755 | gval = 0; | |
3756 | break; | |
3757 | case WPA_CIPHER_WEP_40: | |
3758 | case WPA_CIPHER_WEP_104: | |
3759 | gval = WEP_ENABLED; | |
3760 | break; | |
3761 | case WPA_CIPHER_TKIP: | |
3762 | gval = TKIP_ENABLED; | |
3763 | break; | |
3764 | case WPA_CIPHER_AES_CCM: | |
3765 | gval = AES_ENABLED; | |
3766 | break; | |
3767 | default: | |
3768 | err = -EINVAL; | |
3769 | WL_ERR("Invalid multi cast cipher info\n"); | |
3770 | goto exit; | |
3771 | } | |
3772 | ||
3773 | offset++; | |
3774 | /* walk thru unicast cipher list and pick up what we recognize */ | |
3775 | count = data[offset] + (data[offset + 1] << 8); | |
3776 | offset += WPA_IE_SUITE_COUNT_LEN; | |
3777 | /* Check for unicast suite(s) */ | |
3778 | if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { | |
3779 | err = -EINVAL; | |
3780 | WL_ERR("no unicast cipher suite\n"); | |
3781 | goto exit; | |
3782 | } | |
3783 | for (i = 0; i < count; i++) { | |
3784 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { | |
3785 | err = -EINVAL; | |
3786 | WL_ERR("ivalid OUI\n"); | |
3787 | goto exit; | |
3788 | } | |
3789 | offset += TLV_OUI_LEN; | |
3790 | switch (data[offset]) { | |
3791 | case WPA_CIPHER_NONE: | |
3792 | break; | |
3793 | case WPA_CIPHER_WEP_40: | |
3794 | case WPA_CIPHER_WEP_104: | |
3795 | pval |= WEP_ENABLED; | |
3796 | break; | |
3797 | case WPA_CIPHER_TKIP: | |
3798 | pval |= TKIP_ENABLED; | |
3799 | break; | |
3800 | case WPA_CIPHER_AES_CCM: | |
3801 | pval |= AES_ENABLED; | |
3802 | break; | |
3803 | default: | |
3804 | WL_ERR("Ivalid unicast security info\n"); | |
3805 | } | |
3806 | offset++; | |
3807 | } | |
3808 | /* walk thru auth management suite list and pick up what we recognize */ | |
3809 | count = data[offset] + (data[offset + 1] << 8); | |
3810 | offset += WPA_IE_SUITE_COUNT_LEN; | |
3811 | /* Check for auth key management suite(s) */ | |
3812 | if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { | |
3813 | err = -EINVAL; | |
3814 | WL_ERR("no auth key mgmt suite\n"); | |
3815 | goto exit; | |
3816 | } | |
3817 | for (i = 0; i < count; i++) { | |
3818 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { | |
3819 | err = -EINVAL; | |
3820 | WL_ERR("ivalid OUI\n"); | |
3821 | goto exit; | |
3822 | } | |
3823 | offset += TLV_OUI_LEN; | |
3824 | switch (data[offset]) { | |
3825 | case RSN_AKM_NONE: | |
3826 | WL_TRACE("RSN_AKM_NONE\n"); | |
3827 | wpa_auth |= WPA_AUTH_NONE; | |
3828 | break; | |
3829 | case RSN_AKM_UNSPECIFIED: | |
3830 | WL_TRACE("RSN_AKM_UNSPECIFIED\n"); | |
3831 | is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) : | |
3832 | (wpa_auth |= WPA_AUTH_UNSPECIFIED); | |
3833 | break; | |
3834 | case RSN_AKM_PSK: | |
3835 | WL_TRACE("RSN_AKM_PSK\n"); | |
3836 | is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) : | |
3837 | (wpa_auth |= WPA_AUTH_PSK); | |
3838 | break; | |
3839 | default: | |
3840 | WL_ERR("Ivalid key mgmt info\n"); | |
3841 | } | |
3842 | offset++; | |
3843 | } | |
3844 | ||
3845 | if (is_rsn_ie) { | |
3846 | wme_bss_disable = 1; | |
3847 | if ((offset + RSN_CAP_LEN) <= len) { | |
3848 | rsn_cap = data[offset] + (data[offset + 1] << 8); | |
3849 | if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK) | |
3850 | wme_bss_disable = 0; | |
3851 | } | |
3852 | /* set wme_bss_disable to sync RSN Capabilities */ | |
3853 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wme_bss_disable", | |
3854 | wme_bss_disable, bssidx); | |
3855 | if (err < 0) { | |
3856 | WL_ERR("wme_bss_disable error %d\n", err); | |
3857 | goto exit; | |
3858 | } | |
3859 | } | |
3860 | /* FOR WPS , set SES_OW_ENABLED */ | |
3861 | wsec = (pval | gval | SES_OW_ENABLED); | |
3862 | ||
3863 | /* set auth */ | |
3864 | err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", auth, bssidx); | |
3865 | if (err < 0) { | |
3866 | WL_ERR("auth error %d\n", err); | |
3867 | goto exit; | |
3868 | } | |
3869 | /* set wsec */ | |
3870 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", wsec, bssidx); | |
3871 | if (err < 0) { | |
3872 | WL_ERR("wsec error %d\n", err); | |
3873 | goto exit; | |
3874 | } | |
3875 | /* set upper-layer auth */ | |
3876 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wpa_auth", wpa_auth, bssidx); | |
3877 | if (err < 0) { | |
3878 | WL_ERR("wpa_auth error %d\n", err); | |
3879 | goto exit; | |
3880 | } | |
3881 | ||
3882 | exit: | |
3883 | return err; | |
3884 | } | |
3885 | ||
3886 | static s32 | |
3887 | brcmf_parse_vndr_ies(u8 *vndr_ie_buf, u32 vndr_ie_len, | |
3888 | struct parsed_vndr_ies *vndr_ies) | |
3889 | { | |
3890 | s32 err = 0; | |
3891 | struct brcmf_vs_tlv *vndrie; | |
3892 | struct brcmf_tlv *ie; | |
3893 | struct parsed_vndr_ie_info *parsed_info; | |
3894 | s32 remaining_len; | |
3895 | ||
3896 | remaining_len = (s32)vndr_ie_len; | |
3897 | memset(vndr_ies, 0, sizeof(*vndr_ies)); | |
3898 | ||
3899 | ie = (struct brcmf_tlv *)vndr_ie_buf; | |
3900 | while (ie) { | |
3901 | if (ie->id != WLAN_EID_VENDOR_SPECIFIC) | |
3902 | goto next; | |
3903 | vndrie = (struct brcmf_vs_tlv *)ie; | |
3904 | /* len should be bigger than OUI length + one */ | |
3905 | if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) { | |
3906 | WL_ERR("invalid vndr ie. length is too small %d\n", | |
3907 | vndrie->len); | |
3908 | goto next; | |
3909 | } | |
3910 | /* if wpa or wme ie, do not add ie */ | |
3911 | if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) && | |
3912 | ((vndrie->oui_type == WPA_OUI_TYPE) || | |
3913 | (vndrie->oui_type == WME_OUI_TYPE))) { | |
3914 | WL_TRACE("Found WPA/WME oui. Do not add it\n"); | |
3915 | goto next; | |
3916 | } | |
3917 | ||
3918 | parsed_info = &vndr_ies->ie_info[vndr_ies->count]; | |
3919 | ||
3920 | /* save vndr ie information */ | |
3921 | parsed_info->ie_ptr = (char *)vndrie; | |
3922 | parsed_info->ie_len = vndrie->len + TLV_HDR_LEN; | |
3923 | memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie)); | |
3924 | ||
3925 | vndr_ies->count++; | |
3926 | ||
3927 | WL_TRACE("** OUI %02x %02x %02x, type 0x%02x\n", | |
3928 | parsed_info->vndrie.oui[0], | |
3929 | parsed_info->vndrie.oui[1], | |
3930 | parsed_info->vndrie.oui[2], | |
3931 | parsed_info->vndrie.oui_type); | |
3932 | ||
3933 | if (vndr_ies->count >= MAX_VNDR_IE_NUMBER) | |
3934 | break; | |
3935 | next: | |
3936 | remaining_len -= ie->len; | |
3937 | if (remaining_len <= 2) | |
3938 | ie = NULL; | |
3939 | else | |
3940 | ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len); | |
3941 | } | |
3942 | return err; | |
3943 | } | |
3944 | ||
3945 | static u32 | |
3946 | brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) | |
3947 | { | |
3948 | ||
3949 | __le32 iecount_le; | |
3950 | __le32 pktflag_le; | |
3951 | ||
3952 | strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1); | |
3953 | iebuf[VNDR_IE_CMD_LEN - 1] = '\0'; | |
3954 | ||
3955 | iecount_le = cpu_to_le32(1); | |
3956 | memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le)); | |
3957 | ||
3958 | pktflag_le = cpu_to_le32(pktflag); | |
3959 | memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le)); | |
3960 | ||
3961 | memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len); | |
3962 | ||
3963 | return ie_len + VNDR_IE_HDR_SIZE; | |
3964 | } | |
3965 | ||
3966 | s32 | |
27a68fe3 | 3967 | brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg, |
1a873342 HM |
3968 | struct net_device *ndev, s32 bssidx, s32 pktflag, |
3969 | u8 *vndr_ie_buf, u32 vndr_ie_len) | |
3970 | { | |
3971 | s32 err = 0; | |
3972 | u8 *iovar_ie_buf; | |
3973 | u8 *curr_ie_buf; | |
3974 | u8 *mgmt_ie_buf = NULL; | |
3975 | u32 mgmt_ie_buf_len = 0; | |
3976 | u32 *mgmt_ie_len = 0; | |
3977 | u32 del_add_ie_buf_len = 0; | |
3978 | u32 total_ie_buf_len = 0; | |
3979 | u32 parsed_ie_buf_len = 0; | |
3980 | struct parsed_vndr_ies old_vndr_ies; | |
3981 | struct parsed_vndr_ies new_vndr_ies; | |
3982 | struct parsed_vndr_ie_info *vndrie_info; | |
3983 | s32 i; | |
3984 | u8 *ptr; | |
3985 | u32 remained_buf_len; | |
3986 | ||
3987 | WL_TRACE("bssidx %d, pktflag : 0x%02X\n", bssidx, pktflag); | |
3988 | iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); | |
3989 | if (!iovar_ie_buf) | |
3990 | return -ENOMEM; | |
3991 | curr_ie_buf = iovar_ie_buf; | |
27a68fe3 AS |
3992 | if (test_bit(WL_STATUS_AP_CREATING, &cfg->status) || |
3993 | test_bit(WL_STATUS_AP_CREATED, &cfg->status)) { | |
1a873342 HM |
3994 | switch (pktflag) { |
3995 | case VNDR_IE_PRBRSP_FLAG: | |
27a68fe3 AS |
3996 | mgmt_ie_buf = cfg->ap_info->probe_res_ie; |
3997 | mgmt_ie_len = &cfg->ap_info->probe_res_ie_len; | |
1a873342 | 3998 | mgmt_ie_buf_len = |
27a68fe3 | 3999 | sizeof(cfg->ap_info->probe_res_ie); |
1a873342 HM |
4000 | break; |
4001 | case VNDR_IE_BEACON_FLAG: | |
27a68fe3 AS |
4002 | mgmt_ie_buf = cfg->ap_info->beacon_ie; |
4003 | mgmt_ie_len = &cfg->ap_info->beacon_ie_len; | |
4004 | mgmt_ie_buf_len = sizeof(cfg->ap_info->beacon_ie); | |
1a873342 HM |
4005 | break; |
4006 | default: | |
4007 | err = -EPERM; | |
4008 | WL_ERR("not suitable type\n"); | |
4009 | goto exit; | |
4010 | } | |
4011 | bssidx = 0; | |
4012 | } else { | |
4013 | err = -EPERM; | |
4014 | WL_ERR("not suitable type\n"); | |
4015 | goto exit; | |
4016 | } | |
4017 | ||
4018 | if (vndr_ie_len > mgmt_ie_buf_len) { | |
4019 | err = -ENOMEM; | |
4020 | WL_ERR("extra IE size too big\n"); | |
4021 | goto exit; | |
4022 | } | |
4023 | ||
4024 | /* parse and save new vndr_ie in curr_ie_buff before comparing it */ | |
4025 | if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) { | |
4026 | ptr = curr_ie_buf; | |
4027 | brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies); | |
4028 | for (i = 0; i < new_vndr_ies.count; i++) { | |
4029 | vndrie_info = &new_vndr_ies.ie_info[i]; | |
4030 | memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr, | |
4031 | vndrie_info->ie_len); | |
4032 | parsed_ie_buf_len += vndrie_info->ie_len; | |
4033 | } | |
4034 | } | |
4035 | ||
4036 | if (mgmt_ie_buf != NULL) { | |
4037 | if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) && | |
4038 | (memcmp(mgmt_ie_buf, curr_ie_buf, | |
4039 | parsed_ie_buf_len) == 0)) { | |
4040 | WL_TRACE("Previous mgmt IE is equals to current IE"); | |
4041 | goto exit; | |
4042 | } | |
4043 | ||
4044 | /* parse old vndr_ie */ | |
4045 | brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies); | |
4046 | ||
4047 | /* make a command to delete old ie */ | |
4048 | for (i = 0; i < old_vndr_ies.count; i++) { | |
4049 | vndrie_info = &old_vndr_ies.ie_info[i]; | |
4050 | ||
4051 | WL_TRACE("DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n", | |
4052 | vndrie_info->vndrie.id, | |
4053 | vndrie_info->vndrie.len, | |
4054 | vndrie_info->vndrie.oui[0], | |
4055 | vndrie_info->vndrie.oui[1], | |
4056 | vndrie_info->vndrie.oui[2]); | |
4057 | ||
4058 | del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, | |
4059 | vndrie_info->ie_ptr, | |
4060 | vndrie_info->ie_len, | |
4061 | "del"); | |
4062 | curr_ie_buf += del_add_ie_buf_len; | |
4063 | total_ie_buf_len += del_add_ie_buf_len; | |
4064 | } | |
4065 | } | |
4066 | ||
4067 | *mgmt_ie_len = 0; | |
4068 | /* Add if there is any extra IE */ | |
4069 | if (mgmt_ie_buf && parsed_ie_buf_len) { | |
4070 | ptr = mgmt_ie_buf; | |
4071 | ||
4072 | remained_buf_len = mgmt_ie_buf_len; | |
4073 | ||
4074 | /* make a command to add new ie */ | |
4075 | for (i = 0; i < new_vndr_ies.count; i++) { | |
4076 | vndrie_info = &new_vndr_ies.ie_info[i]; | |
4077 | ||
4078 | WL_TRACE("ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n", | |
4079 | vndrie_info->vndrie.id, | |
4080 | vndrie_info->vndrie.len, | |
4081 | vndrie_info->vndrie.oui[0], | |
4082 | vndrie_info->vndrie.oui[1], | |
4083 | vndrie_info->vndrie.oui[2]); | |
4084 | ||
4085 | del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, | |
4086 | vndrie_info->ie_ptr, | |
4087 | vndrie_info->ie_len, | |
4088 | "add"); | |
4089 | /* verify remained buf size before copy data */ | |
4090 | remained_buf_len -= vndrie_info->ie_len; | |
4091 | if (remained_buf_len < 0) { | |
4092 | WL_ERR("no space in mgmt_ie_buf: len left %d", | |
4093 | remained_buf_len); | |
4094 | break; | |
4095 | } | |
4096 | ||
4097 | /* save the parsed IE in wl struct */ | |
4098 | memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr, | |
4099 | vndrie_info->ie_len); | |
4100 | *mgmt_ie_len += vndrie_info->ie_len; | |
4101 | ||
4102 | curr_ie_buf += del_add_ie_buf_len; | |
4103 | total_ie_buf_len += del_add_ie_buf_len; | |
4104 | } | |
4105 | } | |
4106 | if (total_ie_buf_len) { | |
4107 | err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "vndr_ie", | |
4108 | iovar_ie_buf, | |
4109 | total_ie_buf_len, | |
27a68fe3 | 4110 | cfg->extra_buf, |
1a873342 HM |
4111 | WL_EXTRA_BUF_MAX, bssidx); |
4112 | if (err) | |
4113 | WL_ERR("vndr ie set error : %d\n", err); | |
4114 | } | |
4115 | ||
4116 | exit: | |
4117 | kfree(iovar_ie_buf); | |
4118 | return err; | |
4119 | } | |
4120 | ||
4121 | static s32 | |
4122 | brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, | |
4123 | struct cfg80211_ap_settings *settings) | |
4124 | { | |
4125 | s32 ie_offset; | |
4126 | struct brcmf_tlv *ssid_ie; | |
4127 | struct brcmf_ssid_le ssid_le; | |
4128 | s32 ioctl_value; | |
4129 | s32 err = -EPERM; | |
4130 | struct brcmf_tlv *rsn_ie; | |
4131 | struct brcmf_vs_tlv *wpa_ie; | |
4132 | struct brcmf_join_params join_params; | |
27a68fe3 | 4133 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
1a873342 HM |
4134 | s32 bssidx = 0; |
4135 | ||
4136 | WL_TRACE("channel_type=%d, beacon_interval=%d, dtim_period=%d,\n", | |
4137 | settings->channel_type, settings->beacon_interval, | |
4138 | settings->dtim_period); | |
4139 | WL_TRACE("ssid=%s(%d), auth_type=%d, inactivity_timeout=%d\n", | |
4140 | settings->ssid, settings->ssid_len, settings->auth_type, | |
4141 | settings->inactivity_timeout); | |
4142 | ||
27a68fe3 | 4143 | if (!test_bit(WL_STATUS_AP_CREATING, &cfg->status)) { |
1a873342 HM |
4144 | WL_ERR("Not in AP creation mode\n"); |
4145 | return -EPERM; | |
4146 | } | |
4147 | ||
4148 | memset(&ssid_le, 0, sizeof(ssid_le)); | |
4149 | if (settings->ssid == NULL || settings->ssid_len == 0) { | |
4150 | ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; | |
4151 | ssid_ie = brcmf_parse_tlvs( | |
4152 | (u8 *)&settings->beacon.head[ie_offset], | |
4153 | settings->beacon.head_len - ie_offset, | |
4154 | WLAN_EID_SSID); | |
4155 | if (!ssid_ie) | |
4156 | return -EINVAL; | |
4157 | ||
4158 | memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); | |
4159 | ssid_le.SSID_len = cpu_to_le32(ssid_ie->len); | |
4160 | WL_TRACE("SSID is (%s) in Head\n", ssid_le.SSID); | |
4161 | } else { | |
4162 | memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len); | |
4163 | ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len); | |
4164 | } | |
4165 | ||
4166 | brcmf_set_mpc(ndev, 0); | |
4167 | ioctl_value = 1; | |
4168 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_DOWN, &ioctl_value); | |
4169 | if (err < 0) { | |
4170 | WL_ERR("BRCMF_C_DOWN error %d\n", err); | |
4171 | goto exit; | |
4172 | } | |
4173 | ioctl_value = 1; | |
4174 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &ioctl_value); | |
4175 | if (err < 0) { | |
4176 | WL_ERR("SET INFRA error %d\n", err); | |
4177 | goto exit; | |
4178 | } | |
4179 | ioctl_value = 1; | |
4180 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AP, &ioctl_value); | |
4181 | if (err < 0) { | |
4182 | WL_ERR("setting AP mode failed %d\n", err); | |
4183 | goto exit; | |
4184 | } | |
4185 | ||
4186 | /* find the RSN_IE */ | |
4187 | rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, | |
4188 | settings->beacon.tail_len, WLAN_EID_RSN); | |
4189 | ||
4190 | /* find the WPA_IE */ | |
4191 | wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail, | |
4192 | settings->beacon.tail_len); | |
4193 | ||
27a68fe3 AS |
4194 | kfree(cfg->ap_info->rsn_ie); |
4195 | cfg->ap_info->rsn_ie = NULL; | |
4196 | kfree(cfg->ap_info->wpa_ie); | |
4197 | cfg->ap_info->wpa_ie = NULL; | |
1a873342 HM |
4198 | |
4199 | if ((wpa_ie != NULL || rsn_ie != NULL)) { | |
4200 | WL_TRACE("WPA(2) IE is found\n"); | |
4201 | if (wpa_ie != NULL) { | |
4202 | /* WPA IE */ | |
4203 | err = brcmf_configure_wpaie(ndev, wpa_ie, false, | |
4204 | bssidx); | |
4205 | if (err < 0) | |
4206 | goto exit; | |
27a68fe3 | 4207 | cfg->ap_info->wpa_ie = kmemdup(wpa_ie, |
1a873342 HM |
4208 | wpa_ie->len + |
4209 | TLV_HDR_LEN, | |
4210 | GFP_KERNEL); | |
4211 | } else { | |
4212 | /* RSN IE */ | |
4213 | err = brcmf_configure_wpaie(ndev, | |
4214 | (struct brcmf_vs_tlv *)rsn_ie, true, bssidx); | |
4215 | if (err < 0) | |
4216 | goto exit; | |
27a68fe3 | 4217 | cfg->ap_info->rsn_ie = kmemdup(rsn_ie, |
1a873342 HM |
4218 | rsn_ie->len + |
4219 | TLV_HDR_LEN, | |
4220 | GFP_KERNEL); | |
4221 | } | |
27a68fe3 | 4222 | cfg->ap_info->security_mode = true; |
1a873342 HM |
4223 | } else { |
4224 | WL_TRACE("No WPA(2) IEs found\n"); | |
4225 | brcmf_configure_opensecurity(ndev, bssidx); | |
27a68fe3 | 4226 | cfg->ap_info->security_mode = false; |
1a873342 HM |
4227 | } |
4228 | /* Set Beacon IEs to FW */ | |
27a68fe3 | 4229 | err = brcmf_set_management_ie(cfg, ndev, bssidx, |
1a873342 HM |
4230 | VNDR_IE_BEACON_FLAG, |
4231 | (u8 *)settings->beacon.tail, | |
4232 | settings->beacon.tail_len); | |
4233 | if (err) | |
4234 | WL_ERR("Set Beacon IE Failed\n"); | |
4235 | else | |
4236 | WL_TRACE("Applied Vndr IEs for Beacon\n"); | |
4237 | ||
4238 | /* Set Probe Response IEs to FW */ | |
27a68fe3 | 4239 | err = brcmf_set_management_ie(cfg, ndev, bssidx, |
1a873342 HM |
4240 | VNDR_IE_PRBRSP_FLAG, |
4241 | (u8 *)settings->beacon.proberesp_ies, | |
4242 | settings->beacon.proberesp_ies_len); | |
4243 | if (err) | |
4244 | WL_ERR("Set Probe Resp IE Failed\n"); | |
4245 | else | |
4246 | WL_TRACE("Applied Vndr IEs for Probe Resp\n"); | |
4247 | ||
4248 | if (settings->beacon_interval) { | |
4249 | ioctl_value = settings->beacon_interval; | |
4250 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_BCNPRD, | |
4251 | &ioctl_value); | |
4252 | if (err < 0) { | |
4253 | WL_ERR("Beacon Interval Set Error, %d\n", err); | |
4254 | goto exit; | |
4255 | } | |
4256 | } | |
4257 | if (settings->dtim_period) { | |
4258 | ioctl_value = settings->dtim_period; | |
4259 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_DTIMPRD, | |
4260 | &ioctl_value); | |
4261 | if (err < 0) { | |
4262 | WL_ERR("DTIM Interval Set Error, %d\n", err); | |
4263 | goto exit; | |
4264 | } | |
4265 | } | |
4266 | ioctl_value = 1; | |
4267 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_UP, &ioctl_value); | |
4268 | if (err < 0) { | |
4269 | WL_ERR("BRCMF_C_UP error (%d)\n", err); | |
4270 | goto exit; | |
4271 | } | |
4272 | ||
4273 | memset(&join_params, 0, sizeof(join_params)); | |
4274 | /* join parameters starts with ssid */ | |
4275 | memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); | |
4276 | /* create softap */ | |
4277 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, &join_params, | |
4278 | sizeof(join_params)); | |
4279 | if (err < 0) { | |
4280 | WL_ERR("SET SSID error (%d)\n", err); | |
4281 | goto exit; | |
4282 | } | |
27a68fe3 AS |
4283 | clear_bit(WL_STATUS_AP_CREATING, &cfg->status); |
4284 | set_bit(WL_STATUS_AP_CREATED, &cfg->status); | |
1a873342 HM |
4285 | |
4286 | exit: | |
4287 | if (err) | |
4288 | brcmf_set_mpc(ndev, 1); | |
4289 | return err; | |
4290 | } | |
4291 | ||
4292 | static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) | |
4293 | { | |
27a68fe3 | 4294 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
1a873342 HM |
4295 | s32 ioctl_value; |
4296 | s32 err = -EPERM; | |
4297 | ||
4298 | WL_TRACE("Enter\n"); | |
4299 | ||
27a68fe3 | 4300 | if (cfg->conf->mode == WL_MODE_AP) { |
1a873342 HM |
4301 | /* Due to most likely deauths outstanding we sleep */ |
4302 | /* first to make sure they get processed by fw. */ | |
4303 | msleep(400); | |
4304 | ioctl_value = 0; | |
4305 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AP, &ioctl_value); | |
4306 | if (err < 0) { | |
4307 | WL_ERR("setting AP mode failed %d\n", err); | |
4308 | goto exit; | |
4309 | } | |
4310 | ioctl_value = 0; | |
4311 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_UP, &ioctl_value); | |
4312 | if (err < 0) { | |
4313 | WL_ERR("BRCMF_C_UP error %d\n", err); | |
4314 | goto exit; | |
4315 | } | |
4316 | brcmf_set_mpc(ndev, 1); | |
27a68fe3 AS |
4317 | clear_bit(WL_STATUS_AP_CREATING, &cfg->status); |
4318 | clear_bit(WL_STATUS_AP_CREATED, &cfg->status); | |
1a873342 HM |
4319 | } |
4320 | exit: | |
4321 | return err; | |
4322 | } | |
4323 | ||
4324 | static int | |
4325 | brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, | |
4326 | u8 *mac) | |
4327 | { | |
4328 | struct brcmf_scb_val_le scbval; | |
4329 | s32 err; | |
4330 | ||
4331 | if (!mac) | |
4332 | return -EFAULT; | |
4333 | ||
4334 | WL_TRACE("Enter %pM\n", mac); | |
4335 | ||
4336 | if (!check_sys_up(wiphy)) | |
4337 | return -EIO; | |
4338 | ||
4339 | memcpy(&scbval.ea, mac, ETH_ALEN); | |
4340 | scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING); | |
4341 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON, | |
4342 | &scbval, sizeof(scbval)); | |
4343 | if (err) | |
4344 | WL_ERR("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err); | |
4345 | ||
4346 | WL_TRACE("Exit\n"); | |
4347 | return err; | |
4348 | } | |
4349 | ||
5b435de0 AS |
4350 | static struct cfg80211_ops wl_cfg80211_ops = { |
4351 | .change_virtual_intf = brcmf_cfg80211_change_iface, | |
4352 | .scan = brcmf_cfg80211_scan, | |
4353 | .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, | |
4354 | .join_ibss = brcmf_cfg80211_join_ibss, | |
4355 | .leave_ibss = brcmf_cfg80211_leave_ibss, | |
4356 | .get_station = brcmf_cfg80211_get_station, | |
4357 | .set_tx_power = brcmf_cfg80211_set_tx_power, | |
4358 | .get_tx_power = brcmf_cfg80211_get_tx_power, | |
4359 | .add_key = brcmf_cfg80211_add_key, | |
4360 | .del_key = brcmf_cfg80211_del_key, | |
4361 | .get_key = brcmf_cfg80211_get_key, | |
4362 | .set_default_key = brcmf_cfg80211_config_default_key, | |
4363 | .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, | |
4364 | .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, | |
4365 | .set_bitrate_mask = brcmf_cfg80211_set_bitrate_mask, | |
4366 | .connect = brcmf_cfg80211_connect, | |
4367 | .disconnect = brcmf_cfg80211_disconnect, | |
4368 | .suspend = brcmf_cfg80211_suspend, | |
4369 | .resume = brcmf_cfg80211_resume, | |
4370 | .set_pmksa = brcmf_cfg80211_set_pmksa, | |
4371 | .del_pmksa = brcmf_cfg80211_del_pmksa, | |
cbaa177d | 4372 | .flush_pmksa = brcmf_cfg80211_flush_pmksa, |
1a873342 HM |
4373 | .start_ap = brcmf_cfg80211_start_ap, |
4374 | .stop_ap = brcmf_cfg80211_stop_ap, | |
4375 | .del_station = brcmf_cfg80211_del_station, | |
e5806072 AS |
4376 | #ifndef CONFIG_BRCMISCAN |
4377 | /* scheduled scan need e-scan, which is mutual exclusive with i-scan */ | |
4378 | .sched_scan_start = brcmf_cfg80211_sched_scan_start, | |
4379 | .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, | |
4380 | #endif | |
cbaa177d AS |
4381 | #ifdef CONFIG_NL80211_TESTMODE |
4382 | .testmode_cmd = brcmf_cfg80211_testmode | |
4383 | #endif | |
5b435de0 AS |
4384 | }; |
4385 | ||
4386 | static s32 brcmf_mode_to_nl80211_iftype(s32 mode) | |
4387 | { | |
4388 | s32 err = 0; | |
4389 | ||
4390 | switch (mode) { | |
4391 | case WL_MODE_BSS: | |
4392 | return NL80211_IFTYPE_STATION; | |
4393 | case WL_MODE_IBSS: | |
4394 | return NL80211_IFTYPE_ADHOC; | |
4395 | default: | |
4396 | return NL80211_IFTYPE_UNSPECIFIED; | |
4397 | } | |
4398 | ||
4399 | return err; | |
4400 | } | |
4401 | ||
e5806072 AS |
4402 | static void brcmf_wiphy_pno_params(struct wiphy *wiphy) |
4403 | { | |
4404 | #ifndef CONFIG_BRCMFISCAN | |
4405 | /* scheduled scan settings */ | |
4406 | wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; | |
4407 | wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; | |
4408 | wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; | |
4409 | wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; | |
4410 | #endif | |
4411 | } | |
4412 | ||
5db6e956 | 4413 | static struct wireless_dev *brcmf_alloc_wdev(struct device *ndev) |
5b435de0 AS |
4414 | { |
4415 | struct wireless_dev *wdev; | |
4416 | s32 err = 0; | |
4417 | ||
4418 | wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); | |
4419 | if (!wdev) | |
4420 | return ERR_PTR(-ENOMEM); | |
4421 | ||
5db6e956 | 4422 | wdev->wiphy = wiphy_new(&wl_cfg80211_ops, |
27a68fe3 | 4423 | sizeof(struct brcmf_cfg80211_info)); |
5b435de0 | 4424 | if (!wdev->wiphy) { |
bfeb4dbc | 4425 | WL_ERR("Could not allocate wiphy device\n"); |
5b435de0 AS |
4426 | err = -ENOMEM; |
4427 | goto wiphy_new_out; | |
4428 | } | |
4429 | set_wiphy_dev(wdev->wiphy, ndev); | |
4430 | wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; | |
4431 | wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; | |
1a873342 HM |
4432 | wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
4433 | BIT(NL80211_IFTYPE_ADHOC) | | |
4434 | BIT(NL80211_IFTYPE_AP); | |
5b435de0 AS |
4435 | wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; |
4436 | wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set | |
4437 | * it as 11a by default. | |
4438 | * This will be updated with | |
4439 | * 11n phy tables in | |
4440 | * "ifconfig up" | |
4441 | * if phy has 11n capability | |
4442 | */ | |
4443 | wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
4444 | wdev->wiphy->cipher_suites = __wl_cipher_suites; | |
4445 | wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); | |
4446 | wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power | |
4447 | * save mode | |
4448 | * by default | |
4449 | */ | |
e5806072 | 4450 | brcmf_wiphy_pno_params(wdev->wiphy); |
5b435de0 AS |
4451 | err = wiphy_register(wdev->wiphy); |
4452 | if (err < 0) { | |
bfeb4dbc | 4453 | WL_ERR("Could not register wiphy device (%d)\n", err); |
5b435de0 AS |
4454 | goto wiphy_register_out; |
4455 | } | |
4456 | return wdev; | |
4457 | ||
4458 | wiphy_register_out: | |
4459 | wiphy_free(wdev->wiphy); | |
4460 | ||
4461 | wiphy_new_out: | |
4462 | kfree(wdev); | |
4463 | ||
4464 | return ERR_PTR(err); | |
4465 | } | |
4466 | ||
27a68fe3 | 4467 | static void brcmf_free_wdev(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 4468 | { |
27a68fe3 | 4469 | struct wireless_dev *wdev = cfg->wdev; |
5b435de0 AS |
4470 | |
4471 | if (!wdev) { | |
4472 | WL_ERR("wdev is invalid\n"); | |
4473 | return; | |
4474 | } | |
4475 | wiphy_unregister(wdev->wiphy); | |
4476 | wiphy_free(wdev->wiphy); | |
4477 | kfree(wdev); | |
27a68fe3 | 4478 | cfg->wdev = NULL; |
5b435de0 AS |
4479 | } |
4480 | ||
27a68fe3 | 4481 | static bool brcmf_is_linkup(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4482 | const struct brcmf_event_msg *e) |
4483 | { | |
4484 | u32 event = be32_to_cpu(e->event_type); | |
4485 | u32 status = be32_to_cpu(e->status); | |
4486 | ||
4487 | if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { | |
4488 | WL_CONN("Processing set ssid\n"); | |
27a68fe3 | 4489 | cfg->link_up = true; |
5b435de0 AS |
4490 | return true; |
4491 | } | |
4492 | ||
4493 | return false; | |
4494 | } | |
4495 | ||
27a68fe3 | 4496 | static bool brcmf_is_linkdown(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4497 | const struct brcmf_event_msg *e) |
4498 | { | |
4499 | u32 event = be32_to_cpu(e->event_type); | |
4500 | u16 flags = be16_to_cpu(e->flags); | |
4501 | ||
4502 | if (event == BRCMF_E_LINK && (!(flags & BRCMF_EVENT_MSG_LINK))) { | |
4503 | WL_CONN("Processing link down\n"); | |
4504 | return true; | |
4505 | } | |
4506 | return false; | |
4507 | } | |
4508 | ||
27a68fe3 | 4509 | static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4510 | const struct brcmf_event_msg *e) |
4511 | { | |
4512 | u32 event = be32_to_cpu(e->event_type); | |
4513 | u32 status = be32_to_cpu(e->status); | |
4514 | ||
4515 | if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { | |
4516 | WL_CONN("Processing Link %s & no network found\n", | |
4517 | be16_to_cpu(e->flags) & BRCMF_EVENT_MSG_LINK ? | |
4518 | "up" : "down"); | |
4519 | return true; | |
4520 | } | |
4521 | ||
4522 | if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { | |
4523 | WL_CONN("Processing connecting & no network found\n"); | |
4524 | return true; | |
4525 | } | |
4526 | ||
4527 | return false; | |
4528 | } | |
4529 | ||
27a68fe3 | 4530 | static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 4531 | { |
27a68fe3 | 4532 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
5b435de0 AS |
4533 | |
4534 | kfree(conn_info->req_ie); | |
4535 | conn_info->req_ie = NULL; | |
4536 | conn_info->req_ie_len = 0; | |
4537 | kfree(conn_info->resp_ie); | |
4538 | conn_info->resp_ie = NULL; | |
4539 | conn_info->resp_ie_len = 0; | |
4540 | } | |
4541 | ||
27a68fe3 | 4542 | static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 4543 | { |
27a68fe3 | 4544 | struct net_device *ndev = cfg_to_ndev(cfg); |
c4e382d2 | 4545 | struct brcmf_cfg80211_assoc_ielen_le *assoc_info; |
27a68fe3 | 4546 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
5b435de0 AS |
4547 | u32 req_len; |
4548 | u32 resp_len; | |
4549 | s32 err = 0; | |
4550 | ||
27a68fe3 | 4551 | brcmf_clear_assoc_ies(cfg); |
5b435de0 | 4552 | |
27a68fe3 | 4553 | err = brcmf_dev_bufvar_get(ndev, "assoc_info", cfg->extra_buf, |
5b435de0 AS |
4554 | WL_ASSOC_INFO_MAX); |
4555 | if (err) { | |
4556 | WL_ERR("could not get assoc info (%d)\n", err); | |
4557 | return err; | |
4558 | } | |
c4e382d2 | 4559 | assoc_info = |
27a68fe3 | 4560 | (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf; |
c4e382d2 AS |
4561 | req_len = le32_to_cpu(assoc_info->req_len); |
4562 | resp_len = le32_to_cpu(assoc_info->resp_len); | |
5b435de0 AS |
4563 | if (req_len) { |
4564 | err = brcmf_dev_bufvar_get(ndev, "assoc_req_ies", | |
27a68fe3 | 4565 | cfg->extra_buf, |
5b435de0 AS |
4566 | WL_ASSOC_INFO_MAX); |
4567 | if (err) { | |
4568 | WL_ERR("could not get assoc req (%d)\n", err); | |
4569 | return err; | |
4570 | } | |
4571 | conn_info->req_ie_len = req_len; | |
4572 | conn_info->req_ie = | |
27a68fe3 | 4573 | kmemdup(cfg->extra_buf, conn_info->req_ie_len, |
5b435de0 AS |
4574 | GFP_KERNEL); |
4575 | } else { | |
4576 | conn_info->req_ie_len = 0; | |
4577 | conn_info->req_ie = NULL; | |
4578 | } | |
4579 | if (resp_len) { | |
4580 | err = brcmf_dev_bufvar_get(ndev, "assoc_resp_ies", | |
27a68fe3 | 4581 | cfg->extra_buf, |
5b435de0 AS |
4582 | WL_ASSOC_INFO_MAX); |
4583 | if (err) { | |
4584 | WL_ERR("could not get assoc resp (%d)\n", err); | |
4585 | return err; | |
4586 | } | |
4587 | conn_info->resp_ie_len = resp_len; | |
4588 | conn_info->resp_ie = | |
27a68fe3 | 4589 | kmemdup(cfg->extra_buf, conn_info->resp_ie_len, |
5b435de0 AS |
4590 | GFP_KERNEL); |
4591 | } else { | |
4592 | conn_info->resp_ie_len = 0; | |
4593 | conn_info->resp_ie = NULL; | |
4594 | } | |
4595 | WL_CONN("req len (%d) resp len (%d)\n", | |
4596 | conn_info->req_ie_len, conn_info->resp_ie_len); | |
4597 | ||
4598 | return err; | |
4599 | } | |
4600 | ||
4601 | static s32 | |
27a68fe3 | 4602 | brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4603 | struct net_device *ndev, |
4604 | const struct brcmf_event_msg *e) | |
4605 | { | |
06bb123e | 4606 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
27a68fe3 AS |
4607 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
4608 | struct wiphy *wiphy = cfg_to_wiphy(cfg); | |
5b435de0 AS |
4609 | struct brcmf_channel_info_le channel_le; |
4610 | struct ieee80211_channel *notify_channel; | |
4611 | struct ieee80211_supported_band *band; | |
4612 | u32 freq; | |
4613 | s32 err = 0; | |
4614 | u32 target_channel; | |
4615 | ||
4616 | WL_TRACE("Enter\n"); | |
4617 | ||
27a68fe3 | 4618 | brcmf_get_assoc_ies(cfg); |
6c8c4f72 | 4619 | memcpy(profile->bssid, e->addr, ETH_ALEN); |
27a68fe3 | 4620 | brcmf_update_bss_info(cfg); |
5b435de0 AS |
4621 | |
4622 | brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_le, | |
4623 | sizeof(channel_le)); | |
4624 | ||
4625 | target_channel = le32_to_cpu(channel_le.target_channel); | |
4626 | WL_CONN("Roamed to channel %d\n", target_channel); | |
4627 | ||
4628 | if (target_channel <= CH_MAX_2G_CHANNEL) | |
4629 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; | |
4630 | else | |
4631 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
4632 | ||
4633 | freq = ieee80211_channel_to_frequency(target_channel, band->band); | |
4634 | notify_channel = ieee80211_get_channel(wiphy, freq); | |
4635 | ||
06bb123e | 4636 | cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid, |
5b435de0 AS |
4637 | conn_info->req_ie, conn_info->req_ie_len, |
4638 | conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); | |
4639 | WL_CONN("Report roaming result\n"); | |
4640 | ||
27a68fe3 | 4641 | set_bit(WL_STATUS_CONNECTED, &cfg->status); |
5b435de0 AS |
4642 | WL_TRACE("Exit\n"); |
4643 | return err; | |
4644 | } | |
4645 | ||
4646 | static s32 | |
27a68fe3 | 4647 | brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4648 | struct net_device *ndev, const struct brcmf_event_msg *e, |
4649 | bool completed) | |
4650 | { | |
06bb123e | 4651 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
27a68fe3 | 4652 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
5b435de0 AS |
4653 | s32 err = 0; |
4654 | ||
4655 | WL_TRACE("Enter\n"); | |
4656 | ||
27a68fe3 | 4657 | if (test_and_clear_bit(WL_STATUS_CONNECTING, &cfg->status)) { |
5b435de0 | 4658 | if (completed) { |
27a68fe3 | 4659 | brcmf_get_assoc_ies(cfg); |
6c8c4f72 | 4660 | memcpy(profile->bssid, e->addr, ETH_ALEN); |
27a68fe3 | 4661 | brcmf_update_bss_info(cfg); |
5b435de0 AS |
4662 | } |
4663 | cfg80211_connect_result(ndev, | |
06bb123e | 4664 | (u8 *)profile->bssid, |
5b435de0 AS |
4665 | conn_info->req_ie, |
4666 | conn_info->req_ie_len, | |
4667 | conn_info->resp_ie, | |
4668 | conn_info->resp_ie_len, | |
4669 | completed ? WLAN_STATUS_SUCCESS : | |
4670 | WLAN_STATUS_AUTH_TIMEOUT, | |
4671 | GFP_KERNEL); | |
4672 | if (completed) | |
27a68fe3 | 4673 | set_bit(WL_STATUS_CONNECTED, &cfg->status); |
5b435de0 AS |
4674 | WL_CONN("Report connect result - connection %s\n", |
4675 | completed ? "succeeded" : "failed"); | |
4676 | } | |
4677 | WL_TRACE("Exit\n"); | |
4678 | return err; | |
4679 | } | |
4680 | ||
4681 | static s32 | |
27a68fe3 | 4682 | brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, |
1a873342 HM |
4683 | struct net_device *ndev, |
4684 | const struct brcmf_event_msg *e, void *data) | |
4685 | { | |
4686 | s32 err = 0; | |
4687 | u32 event = be32_to_cpu(e->event_type); | |
4688 | u32 reason = be32_to_cpu(e->reason); | |
4689 | u32 len = be32_to_cpu(e->datalen); | |
4690 | static int generation; | |
4691 | ||
4692 | struct station_info sinfo; | |
4693 | ||
4694 | WL_CONN("event %d, reason %d\n", event, reason); | |
4695 | memset(&sinfo, 0, sizeof(sinfo)); | |
4696 | ||
4697 | sinfo.filled = 0; | |
4698 | if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && | |
4699 | reason == BRCMF_E_STATUS_SUCCESS) { | |
4700 | sinfo.filled = STATION_INFO_ASSOC_REQ_IES; | |
4701 | if (!data) { | |
4702 | WL_ERR("No IEs present in ASSOC/REASSOC_IND"); | |
4703 | return -EINVAL; | |
4704 | } | |
4705 | sinfo.assoc_req_ies = data; | |
4706 | sinfo.assoc_req_ies_len = len; | |
4707 | generation++; | |
4708 | sinfo.generation = generation; | |
4709 | cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_ATOMIC); | |
4710 | } else if ((event == BRCMF_E_DISASSOC_IND) || | |
4711 | (event == BRCMF_E_DEAUTH_IND) || | |
4712 | (event == BRCMF_E_DEAUTH)) { | |
4713 | generation++; | |
4714 | sinfo.generation = generation; | |
4715 | cfg80211_del_sta(ndev, e->addr, GFP_ATOMIC); | |
4716 | } | |
4717 | return err; | |
4718 | } | |
4719 | ||
5b435de0 | 4720 | static s32 |
27a68fe3 | 4721 | brcmf_notify_connect_status(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4722 | struct net_device *ndev, |
4723 | const struct brcmf_event_msg *e, void *data) | |
4724 | { | |
6c8c4f72 | 4725 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
5b435de0 AS |
4726 | s32 err = 0; |
4727 | ||
27a68fe3 AS |
4728 | if (cfg->conf->mode == WL_MODE_AP) { |
4729 | err = brcmf_notify_connect_status_ap(cfg, ndev, e, data); | |
4730 | } else if (brcmf_is_linkup(cfg, e)) { | |
5b435de0 | 4731 | WL_CONN("Linkup\n"); |
27a68fe3 | 4732 | if (brcmf_is_ibssmode(cfg)) { |
6c8c4f72 | 4733 | memcpy(profile->bssid, e->addr, ETH_ALEN); |
27a68fe3 | 4734 | wl_inform_ibss(cfg, ndev, e->addr); |
5b435de0 | 4735 | cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL); |
27a68fe3 AS |
4736 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); |
4737 | set_bit(WL_STATUS_CONNECTED, &cfg->status); | |
5b435de0 | 4738 | } else |
27a68fe3 AS |
4739 | brcmf_bss_connect_done(cfg, ndev, e, true); |
4740 | } else if (brcmf_is_linkdown(cfg, e)) { | |
5b435de0 | 4741 | WL_CONN("Linkdown\n"); |
27a68fe3 AS |
4742 | if (brcmf_is_ibssmode(cfg)) { |
4743 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); | |
5b435de0 | 4744 | if (test_and_clear_bit(WL_STATUS_CONNECTED, |
27a68fe3 AS |
4745 | &cfg->status)) |
4746 | brcmf_link_down(cfg); | |
5b435de0 | 4747 | } else { |
27a68fe3 | 4748 | brcmf_bss_connect_done(cfg, ndev, e, false); |
5b435de0 | 4749 | if (test_and_clear_bit(WL_STATUS_CONNECTED, |
27a68fe3 | 4750 | &cfg->status)) { |
5b435de0 AS |
4751 | cfg80211_disconnected(ndev, 0, NULL, 0, |
4752 | GFP_KERNEL); | |
27a68fe3 | 4753 | brcmf_link_down(cfg); |
5b435de0 AS |
4754 | } |
4755 | } | |
27a68fe3 AS |
4756 | brcmf_init_prof(cfg->profile); |
4757 | } else if (brcmf_is_nonetwork(cfg, e)) { | |
4758 | if (brcmf_is_ibssmode(cfg)) | |
4759 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); | |
5b435de0 | 4760 | else |
27a68fe3 | 4761 | brcmf_bss_connect_done(cfg, ndev, e, false); |
5b435de0 AS |
4762 | } |
4763 | ||
4764 | return err; | |
4765 | } | |
4766 | ||
4767 | static s32 | |
27a68fe3 | 4768 | brcmf_notify_roaming_status(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4769 | struct net_device *ndev, |
4770 | const struct brcmf_event_msg *e, void *data) | |
4771 | { | |
4772 | s32 err = 0; | |
4773 | u32 event = be32_to_cpu(e->event_type); | |
4774 | u32 status = be32_to_cpu(e->status); | |
4775 | ||
4776 | if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { | |
27a68fe3 AS |
4777 | if (test_bit(WL_STATUS_CONNECTED, &cfg->status)) |
4778 | brcmf_bss_roaming_done(cfg, ndev, e); | |
5b435de0 | 4779 | else |
27a68fe3 | 4780 | brcmf_bss_connect_done(cfg, ndev, e, true); |
5b435de0 AS |
4781 | } |
4782 | ||
4783 | return err; | |
4784 | } | |
4785 | ||
4786 | static s32 | |
27a68fe3 | 4787 | brcmf_notify_mic_status(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4788 | struct net_device *ndev, |
4789 | const struct brcmf_event_msg *e, void *data) | |
4790 | { | |
4791 | u16 flags = be16_to_cpu(e->flags); | |
4792 | enum nl80211_key_type key_type; | |
4793 | ||
4794 | if (flags & BRCMF_EVENT_MSG_GROUP) | |
4795 | key_type = NL80211_KEYTYPE_GROUP; | |
4796 | else | |
4797 | key_type = NL80211_KEYTYPE_PAIRWISE; | |
4798 | ||
4799 | cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1, | |
4800 | NULL, GFP_KERNEL); | |
4801 | ||
4802 | return 0; | |
4803 | } | |
4804 | ||
4805 | static s32 | |
27a68fe3 | 4806 | brcmf_notify_scan_status(struct brcmf_cfg80211_info *cfg, |
5b435de0 AS |
4807 | struct net_device *ndev, |
4808 | const struct brcmf_event_msg *e, void *data) | |
4809 | { | |
4810 | struct brcmf_channel_info_le channel_inform_le; | |
4811 | struct brcmf_scan_results_le *bss_list_le; | |
4812 | u32 len = WL_SCAN_BUF_MAX; | |
4813 | s32 err = 0; | |
4814 | bool scan_abort = false; | |
4815 | u32 scan_channel; | |
4816 | ||
4817 | WL_TRACE("Enter\n"); | |
4818 | ||
27a68fe3 | 4819 | if (cfg->iscan_on && cfg->iscan_kickstart) { |
5b435de0 | 4820 | WL_TRACE("Exit\n"); |
27a68fe3 | 4821 | return brcmf_wakeup_iscan(cfg_to_iscan(cfg)); |
5b435de0 AS |
4822 | } |
4823 | ||
27a68fe3 | 4824 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) { |
5b435de0 AS |
4825 | WL_ERR("Scan complete while device not scanning\n"); |
4826 | scan_abort = true; | |
4827 | err = -EINVAL; | |
4828 | goto scan_done_out; | |
4829 | } | |
4830 | ||
4831 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_inform_le, | |
4832 | sizeof(channel_inform_le)); | |
4833 | if (err) { | |
4834 | WL_ERR("scan busy (%d)\n", err); | |
4835 | scan_abort = true; | |
4836 | goto scan_done_out; | |
4837 | } | |
4838 | scan_channel = le32_to_cpu(channel_inform_le.scan_channel); | |
4839 | if (scan_channel) | |
4840 | WL_CONN("channel_inform.scan_channel (%d)\n", scan_channel); | |
27a68fe3 AS |
4841 | cfg->bss_list = cfg->scan_results; |
4842 | bss_list_le = (struct brcmf_scan_results_le *) cfg->bss_list; | |
5b435de0 | 4843 | |
27a68fe3 | 4844 | memset(cfg->scan_results, 0, len); |
5b435de0 AS |
4845 | bss_list_le->buflen = cpu_to_le32(len); |
4846 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN_RESULTS, | |
27a68fe3 | 4847 | cfg->scan_results, len); |
5b435de0 AS |
4848 | if (err) { |
4849 | WL_ERR("%s Scan_results error (%d)\n", ndev->name, err); | |
4850 | err = -EINVAL; | |
4851 | scan_abort = true; | |
4852 | goto scan_done_out; | |
4853 | } | |
27a68fe3 AS |
4854 | cfg->scan_results->buflen = le32_to_cpu(bss_list_le->buflen); |
4855 | cfg->scan_results->version = le32_to_cpu(bss_list_le->version); | |
4856 | cfg->scan_results->count = le32_to_cpu(bss_list_le->count); | |
5b435de0 | 4857 | |
27a68fe3 | 4858 | err = brcmf_inform_bss(cfg); |
35aafa9d | 4859 | if (err) |
5b435de0 | 4860 | scan_abort = true; |
5b435de0 AS |
4861 | |
4862 | scan_done_out: | |
27a68fe3 | 4863 | if (cfg->scan_request) { |
5b435de0 | 4864 | WL_SCAN("calling cfg80211_scan_done\n"); |
27a68fe3 | 4865 | cfg80211_scan_done(cfg->scan_request, scan_abort); |
5b435de0 | 4866 | brcmf_set_mpc(ndev, 1); |
27a68fe3 | 4867 | cfg->scan_request = NULL; |
5b435de0 AS |
4868 | } |
4869 | ||
4870 | WL_TRACE("Exit\n"); | |
4871 | ||
4872 | return err; | |
4873 | } | |
4874 | ||
4875 | static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) | |
4876 | { | |
4877 | conf->mode = (u32)-1; | |
4878 | conf->frag_threshold = (u32)-1; | |
4879 | conf->rts_threshold = (u32)-1; | |
4880 | conf->retry_short = (u32)-1; | |
4881 | conf->retry_long = (u32)-1; | |
4882 | conf->tx_power = -1; | |
4883 | } | |
4884 | ||
4885 | static void brcmf_init_eloop_handler(struct brcmf_cfg80211_event_loop *el) | |
4886 | { | |
4887 | memset(el, 0, sizeof(*el)); | |
4888 | el->handler[BRCMF_E_SCAN_COMPLETE] = brcmf_notify_scan_status; | |
4889 | el->handler[BRCMF_E_LINK] = brcmf_notify_connect_status; | |
1a873342 HM |
4890 | el->handler[BRCMF_E_DEAUTH_IND] = brcmf_notify_connect_status; |
4891 | el->handler[BRCMF_E_DEAUTH] = brcmf_notify_connect_status; | |
4892 | el->handler[BRCMF_E_DISASSOC_IND] = brcmf_notify_connect_status; | |
4893 | el->handler[BRCMF_E_ASSOC_IND] = brcmf_notify_connect_status; | |
4894 | el->handler[BRCMF_E_REASSOC_IND] = brcmf_notify_connect_status; | |
5b435de0 AS |
4895 | el->handler[BRCMF_E_ROAM] = brcmf_notify_roaming_status; |
4896 | el->handler[BRCMF_E_MIC_ERROR] = brcmf_notify_mic_status; | |
4897 | el->handler[BRCMF_E_SET_SSID] = brcmf_notify_connect_status; | |
e5806072 | 4898 | el->handler[BRCMF_E_PFN_NET_FOUND] = brcmf_notify_sched_scan_results; |
5b435de0 AS |
4899 | } |
4900 | ||
27a68fe3 AS |
4901 | static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) |
4902 | { | |
4903 | kfree(cfg->scan_results); | |
4904 | cfg->scan_results = NULL; | |
4905 | kfree(cfg->bss_info); | |
4906 | cfg->bss_info = NULL; | |
4907 | kfree(cfg->conf); | |
4908 | cfg->conf = NULL; | |
4909 | kfree(cfg->profile); | |
4910 | cfg->profile = NULL; | |
4911 | kfree(cfg->scan_req_int); | |
4912 | cfg->scan_req_int = NULL; | |
4913 | kfree(cfg->escan_ioctl_buf); | |
4914 | cfg->escan_ioctl_buf = NULL; | |
4915 | kfree(cfg->dcmd_buf); | |
4916 | cfg->dcmd_buf = NULL; | |
4917 | kfree(cfg->extra_buf); | |
4918 | cfg->extra_buf = NULL; | |
4919 | kfree(cfg->iscan); | |
4920 | cfg->iscan = NULL; | |
4921 | kfree(cfg->pmk_list); | |
4922 | cfg->pmk_list = NULL; | |
4923 | if (cfg->ap_info) { | |
4924 | kfree(cfg->ap_info->wpa_ie); | |
4925 | kfree(cfg->ap_info->rsn_ie); | |
4926 | kfree(cfg->ap_info); | |
4927 | cfg->ap_info = NULL; | |
4928 | } | |
4929 | } | |
4930 | ||
4931 | static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg) | |
4932 | { | |
4933 | cfg->scan_results = kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL); | |
4934 | if (!cfg->scan_results) | |
5b435de0 | 4935 | goto init_priv_mem_out; |
27a68fe3 AS |
4936 | cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL); |
4937 | if (!cfg->conf) | |
5b435de0 | 4938 | goto init_priv_mem_out; |
27a68fe3 AS |
4939 | cfg->profile = kzalloc(sizeof(*cfg->profile), GFP_KERNEL); |
4940 | if (!cfg->profile) | |
5b435de0 | 4941 | goto init_priv_mem_out; |
27a68fe3 AS |
4942 | cfg->bss_info = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
4943 | if (!cfg->bss_info) | |
5b435de0 | 4944 | goto init_priv_mem_out; |
27a68fe3 | 4945 | cfg->scan_req_int = kzalloc(sizeof(*cfg->scan_req_int), |
5b435de0 | 4946 | GFP_KERNEL); |
27a68fe3 | 4947 | if (!cfg->scan_req_int) |
5b435de0 | 4948 | goto init_priv_mem_out; |
27a68fe3 AS |
4949 | cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); |
4950 | if (!cfg->escan_ioctl_buf) | |
e756af5b | 4951 | goto init_priv_mem_out; |
27a68fe3 AS |
4952 | cfg->dcmd_buf = kzalloc(WL_DCMD_LEN_MAX, GFP_KERNEL); |
4953 | if (!cfg->dcmd_buf) | |
5b435de0 | 4954 | goto init_priv_mem_out; |
27a68fe3 AS |
4955 | cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); |
4956 | if (!cfg->extra_buf) | |
5b435de0 | 4957 | goto init_priv_mem_out; |
27a68fe3 AS |
4958 | cfg->iscan = kzalloc(sizeof(*cfg->iscan), GFP_KERNEL); |
4959 | if (!cfg->iscan) | |
5b435de0 | 4960 | goto init_priv_mem_out; |
27a68fe3 AS |
4961 | cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL); |
4962 | if (!cfg->pmk_list) | |
5b435de0 AS |
4963 | goto init_priv_mem_out; |
4964 | ||
4965 | return 0; | |
4966 | ||
4967 | init_priv_mem_out: | |
27a68fe3 | 4968 | brcmf_deinit_priv_mem(cfg); |
5b435de0 AS |
4969 | |
4970 | return -ENOMEM; | |
4971 | } | |
4972 | ||
4973 | /* | |
4974 | * retrieve first queued event from head | |
4975 | */ | |
4976 | ||
4977 | static struct brcmf_cfg80211_event_q *brcmf_deq_event( | |
27a68fe3 | 4978 | struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
4979 | { |
4980 | struct brcmf_cfg80211_event_q *e = NULL; | |
4981 | ||
27a68fe3 AS |
4982 | spin_lock_irq(&cfg->evt_q_lock); |
4983 | if (!list_empty(&cfg->evt_q_list)) { | |
4984 | e = list_first_entry(&cfg->evt_q_list, | |
5b435de0 AS |
4985 | struct brcmf_cfg80211_event_q, evt_q_list); |
4986 | list_del(&e->evt_q_list); | |
4987 | } | |
27a68fe3 | 4988 | spin_unlock_irq(&cfg->evt_q_lock); |
5b435de0 AS |
4989 | |
4990 | return e; | |
4991 | } | |
4992 | ||
4993 | /* | |
bcbec9e7 AS |
4994 | * push event to tail of the queue |
4995 | * | |
4996 | * remark: this function may not sleep as it is called in atomic context. | |
5b435de0 AS |
4997 | */ |
4998 | ||
4999 | static s32 | |
27a68fe3 | 5000 | brcmf_enq_event(struct brcmf_cfg80211_info *cfg, u32 event, |
c4fdb056 | 5001 | const struct brcmf_event_msg *msg, void *data) |
5b435de0 AS |
5002 | { |
5003 | struct brcmf_cfg80211_event_q *e; | |
5004 | s32 err = 0; | |
cf44066a | 5005 | ulong flags; |
c4fdb056 HM |
5006 | u32 data_len; |
5007 | u32 total_len; | |
5b435de0 | 5008 | |
c4fdb056 HM |
5009 | total_len = sizeof(struct brcmf_cfg80211_event_q); |
5010 | if (data) | |
5011 | data_len = be32_to_cpu(msg->datalen); | |
5012 | else | |
5013 | data_len = 0; | |
5014 | total_len += data_len; | |
5015 | e = kzalloc(total_len, GFP_ATOMIC); | |
5b435de0 AS |
5016 | if (!e) |
5017 | return -ENOMEM; | |
5018 | ||
5019 | e->etype = event; | |
5020 | memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg)); | |
c4fdb056 HM |
5021 | if (data) |
5022 | memcpy(&e->edata, data, data_len); | |
5b435de0 | 5023 | |
27a68fe3 AS |
5024 | spin_lock_irqsave(&cfg->evt_q_lock, flags); |
5025 | list_add_tail(&e->evt_q_list, &cfg->evt_q_list); | |
5026 | spin_unlock_irqrestore(&cfg->evt_q_lock, flags); | |
5b435de0 AS |
5027 | |
5028 | return err; | |
5029 | } | |
5030 | ||
5031 | static void brcmf_put_event(struct brcmf_cfg80211_event_q *e) | |
5032 | { | |
5033 | kfree(e); | |
5034 | } | |
5035 | ||
5036 | static void brcmf_cfg80211_event_handler(struct work_struct *work) | |
5037 | { | |
27a68fe3 AS |
5038 | struct brcmf_cfg80211_info *cfg = |
5039 | container_of(work, struct brcmf_cfg80211_info, | |
5b435de0 AS |
5040 | event_work); |
5041 | struct brcmf_cfg80211_event_q *e; | |
5042 | ||
27a68fe3 | 5043 | e = brcmf_deq_event(cfg); |
5b435de0 AS |
5044 | if (unlikely(!e)) { |
5045 | WL_ERR("event queue empty...\n"); | |
5046 | return; | |
5047 | } | |
5048 | ||
5049 | do { | |
5050 | WL_INFO("event type (%d)\n", e->etype); | |
27a68fe3 AS |
5051 | if (cfg->el.handler[e->etype]) |
5052 | cfg->el.handler[e->etype](cfg, | |
5053 | cfg_to_ndev(cfg), | |
5b435de0 AS |
5054 | &e->emsg, e->edata); |
5055 | else | |
5056 | WL_INFO("Unknown Event (%d): ignoring\n", e->etype); | |
5057 | brcmf_put_event(e); | |
27a68fe3 | 5058 | } while ((e = brcmf_deq_event(cfg))); |
5b435de0 AS |
5059 | |
5060 | } | |
5061 | ||
27a68fe3 | 5062 | static void brcmf_init_eq(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 5063 | { |
27a68fe3 AS |
5064 | spin_lock_init(&cfg->evt_q_lock); |
5065 | INIT_LIST_HEAD(&cfg->evt_q_list); | |
5b435de0 AS |
5066 | } |
5067 | ||
27a68fe3 | 5068 | static void brcmf_flush_eq(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
5069 | { |
5070 | struct brcmf_cfg80211_event_q *e; | |
5071 | ||
27a68fe3 AS |
5072 | spin_lock_irq(&cfg->evt_q_lock); |
5073 | while (!list_empty(&cfg->evt_q_list)) { | |
5074 | e = list_first_entry(&cfg->evt_q_list, | |
5b435de0 AS |
5075 | struct brcmf_cfg80211_event_q, evt_q_list); |
5076 | list_del(&e->evt_q_list); | |
5077 | kfree(e); | |
5078 | } | |
27a68fe3 | 5079 | spin_unlock_irq(&cfg->evt_q_lock); |
5b435de0 AS |
5080 | } |
5081 | ||
27a68fe3 | 5082 | static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
5083 | { |
5084 | s32 err = 0; | |
5085 | ||
27a68fe3 AS |
5086 | cfg->scan_request = NULL; |
5087 | cfg->pwr_save = true; | |
e756af5b | 5088 | #ifdef CONFIG_BRCMISCAN |
27a68fe3 | 5089 | cfg->iscan_on = true; /* iscan on & off switch. |
5b435de0 | 5090 | we enable iscan per default */ |
27a68fe3 | 5091 | cfg->escan_on = false; /* escan on & off switch. |
e756af5b HM |
5092 | we disable escan per default */ |
5093 | #else | |
27a68fe3 | 5094 | cfg->iscan_on = false; /* iscan on & off switch. |
e756af5b | 5095 | we disable iscan per default */ |
27a68fe3 | 5096 | cfg->escan_on = true; /* escan on & off switch. |
e756af5b HM |
5097 | we enable escan per default */ |
5098 | #endif | |
27a68fe3 | 5099 | cfg->roam_on = true; /* roam on & off switch. |
5b435de0 AS |
5100 | we enable roam per default */ |
5101 | ||
27a68fe3 AS |
5102 | cfg->iscan_kickstart = false; |
5103 | cfg->active_scan = true; /* we do active scan for | |
5b435de0 | 5104 | specific scan per default */ |
27a68fe3 AS |
5105 | cfg->dongle_up = false; /* dongle is not up yet */ |
5106 | brcmf_init_eq(cfg); | |
5107 | err = brcmf_init_priv_mem(cfg); | |
5b435de0 AS |
5108 | if (err) |
5109 | return err; | |
27a68fe3 AS |
5110 | INIT_WORK(&cfg->event_work, brcmf_cfg80211_event_handler); |
5111 | brcmf_init_eloop_handler(&cfg->el); | |
5112 | mutex_init(&cfg->usr_sync); | |
5113 | err = brcmf_init_iscan(cfg); | |
5b435de0 AS |
5114 | if (err) |
5115 | return err; | |
27a68fe3 AS |
5116 | brcmf_init_escan(cfg); |
5117 | brcmf_init_conf(cfg->conf); | |
5118 | brcmf_init_prof(cfg->profile); | |
5119 | brcmf_link_down(cfg); | |
5b435de0 AS |
5120 | |
5121 | return err; | |
5122 | } | |
5123 | ||
27a68fe3 | 5124 | static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 5125 | { |
27a68fe3 AS |
5126 | cancel_work_sync(&cfg->event_work); |
5127 | cfg->dongle_up = false; /* dongle down */ | |
5128 | brcmf_flush_eq(cfg); | |
5129 | brcmf_link_down(cfg); | |
5130 | brcmf_abort_scanning(cfg); | |
5131 | brcmf_deinit_priv_mem(cfg); | |
5b435de0 AS |
5132 | } |
5133 | ||
27a68fe3 | 5134 | struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct net_device *ndev, |
b451ec94 AS |
5135 | struct device *busdev, |
5136 | struct brcmf_pub *drvr) | |
5b435de0 AS |
5137 | { |
5138 | struct wireless_dev *wdev; | |
27a68fe3 | 5139 | struct brcmf_cfg80211_info *cfg; |
5b435de0 AS |
5140 | s32 err = 0; |
5141 | ||
5142 | if (!ndev) { | |
5143 | WL_ERR("ndev is invalid\n"); | |
5144 | return NULL; | |
5145 | } | |
5b435de0 | 5146 | |
5db6e956 | 5147 | wdev = brcmf_alloc_wdev(busdev); |
5b435de0 | 5148 | if (IS_ERR(wdev)) { |
5b435de0 AS |
5149 | return NULL; |
5150 | } | |
5151 | ||
5152 | wdev->iftype = brcmf_mode_to_nl80211_iftype(WL_MODE_BSS); | |
27a68fe3 AS |
5153 | cfg = wdev_to_cfg(wdev); |
5154 | cfg->wdev = wdev; | |
5155 | cfg->pub = drvr; | |
5b435de0 AS |
5156 | ndev->ieee80211_ptr = wdev; |
5157 | SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); | |
5158 | wdev->netdev = ndev; | |
27a68fe3 | 5159 | err = wl_init_priv(cfg); |
5b435de0 AS |
5160 | if (err) { |
5161 | WL_ERR("Failed to init iwm_priv (%d)\n", err); | |
5162 | goto cfg80211_attach_out; | |
5163 | } | |
5b435de0 | 5164 | |
27a68fe3 | 5165 | return cfg; |
5b435de0 AS |
5166 | |
5167 | cfg80211_attach_out: | |
27a68fe3 | 5168 | brcmf_free_wdev(cfg); |
5b435de0 AS |
5169 | return NULL; |
5170 | } | |
5171 | ||
27a68fe3 | 5172 | void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 5173 | { |
27a68fe3 AS |
5174 | wl_deinit_priv(cfg); |
5175 | brcmf_free_wdev(cfg); | |
5b435de0 AS |
5176 | } |
5177 | ||
5178 | void | |
5179 | brcmf_cfg80211_event(struct net_device *ndev, | |
5180 | const struct brcmf_event_msg *e, void *data) | |
5181 | { | |
5182 | u32 event_type = be32_to_cpu(e->event_type); | |
27a68fe3 | 5183 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
5b435de0 | 5184 | |
27a68fe3 AS |
5185 | if (!brcmf_enq_event(cfg, event_type, e, data)) |
5186 | schedule_work(&cfg->event_work); | |
5b435de0 AS |
5187 | } |
5188 | ||
5189 | static s32 brcmf_dongle_mode(struct net_device *ndev, s32 iftype) | |
5190 | { | |
5191 | s32 infra = 0; | |
5192 | s32 err = 0; | |
5193 | ||
5194 | switch (iftype) { | |
5195 | case NL80211_IFTYPE_MONITOR: | |
5196 | case NL80211_IFTYPE_WDS: | |
5197 | WL_ERR("type (%d) : currently we do not support this mode\n", | |
5198 | iftype); | |
5199 | err = -EINVAL; | |
5200 | return err; | |
5201 | case NL80211_IFTYPE_ADHOC: | |
5202 | infra = 0; | |
5203 | break; | |
5204 | case NL80211_IFTYPE_STATION: | |
5205 | infra = 1; | |
5206 | break; | |
1a873342 HM |
5207 | case NL80211_IFTYPE_AP: |
5208 | infra = 1; | |
5209 | break; | |
5b435de0 AS |
5210 | default: |
5211 | err = -EINVAL; | |
5212 | WL_ERR("invalid type (%d)\n", iftype); | |
5213 | return err; | |
5214 | } | |
5215 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); | |
5216 | if (err) { | |
5217 | WL_ERR("WLC_SET_INFRA error (%d)\n", err); | |
5218 | return err; | |
5219 | } | |
5220 | ||
5221 | return 0; | |
5222 | } | |
5223 | ||
5224 | static s32 brcmf_dongle_eventmsg(struct net_device *ndev) | |
5225 | { | |
5226 | /* Room for "event_msgs" + '\0' + bitvec */ | |
5227 | s8 iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; | |
5228 | s8 eventmask[BRCMF_EVENTING_MASK_LEN]; | |
5229 | s32 err = 0; | |
5230 | ||
5231 | WL_TRACE("Enter\n"); | |
5232 | ||
5233 | /* Setup event_msgs */ | |
53a2277d AB |
5234 | brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, |
5235 | iovbuf, sizeof(iovbuf)); | |
5b435de0 AS |
5236 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, iovbuf, sizeof(iovbuf)); |
5237 | if (err) { | |
5238 | WL_ERR("Get event_msgs error (%d)\n", err); | |
5239 | goto dongle_eventmsg_out; | |
5240 | } | |
5241 | memcpy(eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN); | |
5242 | ||
5243 | setbit(eventmask, BRCMF_E_SET_SSID); | |
5244 | setbit(eventmask, BRCMF_E_ROAM); | |
5245 | setbit(eventmask, BRCMF_E_PRUNE); | |
5246 | setbit(eventmask, BRCMF_E_AUTH); | |
5247 | setbit(eventmask, BRCMF_E_REASSOC); | |
5248 | setbit(eventmask, BRCMF_E_REASSOC_IND); | |
5249 | setbit(eventmask, BRCMF_E_DEAUTH_IND); | |
5250 | setbit(eventmask, BRCMF_E_DISASSOC_IND); | |
5251 | setbit(eventmask, BRCMF_E_DISASSOC); | |
5252 | setbit(eventmask, BRCMF_E_JOIN); | |
5253 | setbit(eventmask, BRCMF_E_ASSOC_IND); | |
5254 | setbit(eventmask, BRCMF_E_PSK_SUP); | |
5255 | setbit(eventmask, BRCMF_E_LINK); | |
5256 | setbit(eventmask, BRCMF_E_NDIS_LINK); | |
5257 | setbit(eventmask, BRCMF_E_MIC_ERROR); | |
5258 | setbit(eventmask, BRCMF_E_PMKID_CACHE); | |
5259 | setbit(eventmask, BRCMF_E_TXFAIL); | |
5260 | setbit(eventmask, BRCMF_E_JOIN_START); | |
5261 | setbit(eventmask, BRCMF_E_SCAN_COMPLETE); | |
e756af5b | 5262 | setbit(eventmask, BRCMF_E_ESCAN_RESULT); |
e5806072 | 5263 | setbit(eventmask, BRCMF_E_PFN_NET_FOUND); |
5b435de0 | 5264 | |
53a2277d AB |
5265 | brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, |
5266 | iovbuf, sizeof(iovbuf)); | |
5b435de0 AS |
5267 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
5268 | if (err) { | |
5269 | WL_ERR("Set event_msgs error (%d)\n", err); | |
5270 | goto dongle_eventmsg_out; | |
5271 | } | |
5272 | ||
5273 | dongle_eventmsg_out: | |
5274 | WL_TRACE("Exit\n"); | |
5275 | return err; | |
5276 | } | |
5277 | ||
5278 | static s32 | |
5279 | brcmf_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout) | |
5280 | { | |
5281 | s8 iovbuf[32]; | |
5b435de0 | 5282 | s32 err = 0; |
f588bc0c AS |
5283 | __le32 roamtrigger[2]; |
5284 | __le32 roam_delta[2]; | |
5285 | __le32 bcn_to_le; | |
5286 | __le32 roamvar_le; | |
5b435de0 AS |
5287 | |
5288 | /* | |
5289 | * Setup timeout if Beacons are lost and roam is | |
5290 | * off to report link down | |
5291 | */ | |
5292 | if (roamvar) { | |
f588bc0c | 5293 | bcn_to_le = cpu_to_le32(bcn_timeout); |
53a2277d | 5294 | brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_to_le, |
f588bc0c | 5295 | sizeof(bcn_to_le), iovbuf, sizeof(iovbuf)); |
5b435de0 AS |
5296 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, |
5297 | iovbuf, sizeof(iovbuf)); | |
5298 | if (err) { | |
5299 | WL_ERR("bcn_timeout error (%d)\n", err); | |
5300 | goto dongle_rom_out; | |
5301 | } | |
5302 | } | |
5303 | ||
5304 | /* | |
5305 | * Enable/Disable built-in roaming to allow supplicant | |
5306 | * to take care of roaming | |
5307 | */ | |
5308 | WL_INFO("Internal Roaming = %s\n", roamvar ? "Off" : "On"); | |
f588bc0c | 5309 | roamvar_le = cpu_to_le32(roamvar); |
53a2277d | 5310 | brcmf_c_mkiovar("roam_off", (char *)&roamvar_le, |
f588bc0c | 5311 | sizeof(roamvar_le), iovbuf, sizeof(iovbuf)); |
5b435de0 AS |
5312 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
5313 | if (err) { | |
5314 | WL_ERR("roam_off error (%d)\n", err); | |
5315 | goto dongle_rom_out; | |
5316 | } | |
5317 | ||
f588bc0c AS |
5318 | roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); |
5319 | roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); | |
5b435de0 AS |
5320 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_TRIGGER, |
5321 | (void *)roamtrigger, sizeof(roamtrigger)); | |
5322 | if (err) { | |
5323 | WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err); | |
5324 | goto dongle_rom_out; | |
5325 | } | |
5326 | ||
f588bc0c AS |
5327 | roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); |
5328 | roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); | |
5b435de0 AS |
5329 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_DELTA, |
5330 | (void *)roam_delta, sizeof(roam_delta)); | |
5331 | if (err) { | |
5332 | WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err); | |
5333 | goto dongle_rom_out; | |
5334 | } | |
5335 | ||
5336 | dongle_rom_out: | |
5337 | return err; | |
5338 | } | |
5339 | ||
5340 | static s32 | |
5341 | brcmf_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time, | |
c68cdc0f | 5342 | s32 scan_unassoc_time, s32 scan_passive_time) |
5b435de0 AS |
5343 | { |
5344 | s32 err = 0; | |
c68cdc0f AS |
5345 | __le32 scan_assoc_tm_le = cpu_to_le32(scan_assoc_time); |
5346 | __le32 scan_unassoc_tm_le = cpu_to_le32(scan_unassoc_time); | |
5347 | __le32 scan_passive_tm_le = cpu_to_le32(scan_passive_time); | |
5b435de0 AS |
5348 | |
5349 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_CHANNEL_TIME, | |
c68cdc0f | 5350 | &scan_assoc_tm_le, sizeof(scan_assoc_tm_le)); |
5b435de0 AS |
5351 | if (err) { |
5352 | if (err == -EOPNOTSUPP) | |
5353 | WL_INFO("Scan assoc time is not supported\n"); | |
5354 | else | |
5355 | WL_ERR("Scan assoc time error (%d)\n", err); | |
5356 | goto dongle_scantime_out; | |
5357 | } | |
5358 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_UNASSOC_TIME, | |
c68cdc0f | 5359 | &scan_unassoc_tm_le, sizeof(scan_unassoc_tm_le)); |
5b435de0 AS |
5360 | if (err) { |
5361 | if (err == -EOPNOTSUPP) | |
5362 | WL_INFO("Scan unassoc time is not supported\n"); | |
5363 | else | |
5364 | WL_ERR("Scan unassoc time error (%d)\n", err); | |
5365 | goto dongle_scantime_out; | |
5366 | } | |
5367 | ||
5368 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_PASSIVE_TIME, | |
c68cdc0f | 5369 | &scan_passive_tm_le, sizeof(scan_passive_tm_le)); |
5b435de0 AS |
5370 | if (err) { |
5371 | if (err == -EOPNOTSUPP) | |
5372 | WL_INFO("Scan passive time is not supported\n"); | |
5373 | else | |
5374 | WL_ERR("Scan passive time error (%d)\n", err); | |
5375 | goto dongle_scantime_out; | |
5376 | } | |
5377 | ||
5378 | dongle_scantime_out: | |
5379 | return err; | |
5380 | } | |
5381 | ||
27a68fe3 | 5382 | static s32 wl_update_wiphybands(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
5383 | { |
5384 | struct wiphy *wiphy; | |
5385 | s32 phy_list; | |
5386 | s8 phy; | |
5387 | s32 err = 0; | |
5388 | ||
27a68fe3 | 5389 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg), BRCM_GET_PHYLIST, |
5b435de0 AS |
5390 | &phy_list, sizeof(phy_list)); |
5391 | if (err) { | |
5392 | WL_ERR("error (%d)\n", err); | |
5393 | return err; | |
5394 | } | |
5395 | ||
3ba81376 | 5396 | phy = ((char *)&phy_list)[0]; |
5b435de0 AS |
5397 | WL_INFO("%c phy\n", phy); |
5398 | if (phy == 'n' || phy == 'a') { | |
27a68fe3 | 5399 | wiphy = cfg_to_wiphy(cfg); |
5b435de0 AS |
5400 | wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n; |
5401 | } | |
5402 | ||
5403 | return err; | |
5404 | } | |
5405 | ||
27a68fe3 | 5406 | static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 5407 | { |
27a68fe3 | 5408 | return wl_update_wiphybands(cfg); |
5b435de0 AS |
5409 | } |
5410 | ||
27a68fe3 | 5411 | static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
5412 | { |
5413 | struct net_device *ndev; | |
5414 | struct wireless_dev *wdev; | |
5415 | s32 power_mode; | |
5416 | s32 err = 0; | |
5417 | ||
27a68fe3 | 5418 | if (cfg->dongle_up) |
5b435de0 AS |
5419 | return err; |
5420 | ||
27a68fe3 | 5421 | ndev = cfg_to_ndev(cfg); |
5b435de0 AS |
5422 | wdev = ndev->ieee80211_ptr; |
5423 | ||
5424 | brcmf_dongle_scantime(ndev, WL_SCAN_CHANNEL_TIME, | |
5425 | WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); | |
5426 | ||
5427 | err = brcmf_dongle_eventmsg(ndev); | |
5428 | if (err) | |
5429 | goto default_conf_out; | |
5430 | ||
27a68fe3 | 5431 | power_mode = cfg->pwr_save ? PM_FAST : PM_OFF; |
5b435de0 AS |
5432 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &power_mode); |
5433 | if (err) | |
5434 | goto default_conf_out; | |
5435 | WL_INFO("power save set to %s\n", | |
5436 | (power_mode ? "enabled" : "disabled")); | |
5437 | ||
27a68fe3 | 5438 | err = brcmf_dongle_roam(ndev, (cfg->roam_on ? 0 : 1), |
5b435de0 AS |
5439 | WL_BEACON_TIMEOUT); |
5440 | if (err) | |
5441 | goto default_conf_out; | |
5442 | err = brcmf_dongle_mode(ndev, wdev->iftype); | |
5443 | if (err && err != -EINPROGRESS) | |
5444 | goto default_conf_out; | |
27a68fe3 | 5445 | err = brcmf_dongle_probecap(cfg); |
5b435de0 AS |
5446 | if (err) |
5447 | goto default_conf_out; | |
5448 | ||
5449 | /* -EINPROGRESS: Call commit handler */ | |
5450 | ||
5451 | default_conf_out: | |
5452 | ||
27a68fe3 | 5453 | cfg->dongle_up = true; |
5b435de0 AS |
5454 | |
5455 | return err; | |
5456 | ||
5457 | } | |
5458 | ||
27a68fe3 | 5459 | static int brcmf_debugfs_add_netdev_params(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
5460 | { |
5461 | char buf[10+IFNAMSIZ]; | |
5462 | struct dentry *fd; | |
5463 | s32 err = 0; | |
5464 | ||
27a68fe3 AS |
5465 | sprintf(buf, "netdev:%s", cfg_to_ndev(cfg)->name); |
5466 | cfg->debugfsdir = debugfs_create_dir(buf, | |
5467 | cfg_to_wiphy(cfg)->debugfsdir); | |
5b435de0 | 5468 | |
27a68fe3 AS |
5469 | fd = debugfs_create_u16("beacon_int", S_IRUGO, cfg->debugfsdir, |
5470 | (u16 *)&cfg->profile->beacon_interval); | |
5b435de0 AS |
5471 | if (!fd) { |
5472 | err = -ENOMEM; | |
5473 | goto err_out; | |
5474 | } | |
5475 | ||
27a68fe3 AS |
5476 | fd = debugfs_create_u8("dtim_period", S_IRUGO, cfg->debugfsdir, |
5477 | (u8 *)&cfg->profile->dtim_period); | |
5b435de0 AS |
5478 | if (!fd) { |
5479 | err = -ENOMEM; | |
5480 | goto err_out; | |
5481 | } | |
5482 | ||
5483 | err_out: | |
5484 | return err; | |
5485 | } | |
5486 | ||
27a68fe3 | 5487 | static void brcmf_debugfs_remove_netdev(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 5488 | { |
27a68fe3 AS |
5489 | debugfs_remove_recursive(cfg->debugfsdir); |
5490 | cfg->debugfsdir = NULL; | |
5b435de0 AS |
5491 | } |
5492 | ||
27a68fe3 | 5493 | static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
5494 | { |
5495 | s32 err = 0; | |
5496 | ||
27a68fe3 | 5497 | set_bit(WL_STATUS_READY, &cfg->status); |
5b435de0 | 5498 | |
27a68fe3 | 5499 | brcmf_debugfs_add_netdev_params(cfg); |
5b435de0 | 5500 | |
27a68fe3 | 5501 | err = brcmf_config_dongle(cfg); |
5b435de0 AS |
5502 | if (err) |
5503 | return err; | |
5504 | ||
27a68fe3 | 5505 | brcmf_invoke_iscan(cfg); |
5b435de0 AS |
5506 | |
5507 | return err; | |
5508 | } | |
5509 | ||
27a68fe3 | 5510 | static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg) |
5b435de0 AS |
5511 | { |
5512 | /* | |
5513 | * While going down, if associated with AP disassociate | |
5514 | * from AP to save power | |
5515 | */ | |
27a68fe3 AS |
5516 | if ((test_bit(WL_STATUS_CONNECTED, &cfg->status) || |
5517 | test_bit(WL_STATUS_CONNECTING, &cfg->status)) && | |
5518 | test_bit(WL_STATUS_READY, &cfg->status)) { | |
5b435de0 | 5519 | WL_INFO("Disassociating from AP"); |
27a68fe3 | 5520 | brcmf_link_down(cfg); |
5b435de0 AS |
5521 | |
5522 | /* Make sure WPA_Supplicant receives all the event | |
5523 | generated due to DISASSOC call to the fw to keep | |
5524 | the state fw and WPA_Supplicant state consistent | |
5525 | */ | |
5526 | brcmf_delay(500); | |
5527 | } | |
5528 | ||
27a68fe3 AS |
5529 | brcmf_abort_scanning(cfg); |
5530 | clear_bit(WL_STATUS_READY, &cfg->status); | |
5b435de0 | 5531 | |
27a68fe3 | 5532 | brcmf_debugfs_remove_netdev(cfg); |
5b435de0 AS |
5533 | |
5534 | return 0; | |
5535 | } | |
5536 | ||
27a68fe3 | 5537 | s32 brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 5538 | { |
5b435de0 AS |
5539 | s32 err = 0; |
5540 | ||
27a68fe3 AS |
5541 | mutex_lock(&cfg->usr_sync); |
5542 | err = __brcmf_cfg80211_up(cfg); | |
5543 | mutex_unlock(&cfg->usr_sync); | |
5b435de0 AS |
5544 | |
5545 | return err; | |
5546 | } | |
5547 | ||
27a68fe3 | 5548 | s32 brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg) |
5b435de0 | 5549 | { |
5b435de0 AS |
5550 | s32 err = 0; |
5551 | ||
27a68fe3 AS |
5552 | mutex_lock(&cfg->usr_sync); |
5553 | err = __brcmf_cfg80211_down(cfg); | |
5554 | mutex_unlock(&cfg->usr_sync); | |
5b435de0 AS |
5555 | |
5556 | return err; | |
5557 | } | |
5558 |