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iwlegacy: avoid warning about missing braces
[deliverable/linux.git] / drivers / net / wireless / broadcom / brcm80211 / brcmfmac / cfg80211.c
CommitLineData
5b435de0
AS		 1/*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17/* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */
18
19#include <linux/kernel.h>
5b435de0 20#include <linux/etherdevice.h>
68ca395f 21#include <linux/module.h>
1bacb048 22#include <linux/vmalloc.h>
5b435de0 23#include <net/cfg80211.h>
cbaa177d 24#include <net/netlink.h>
5b435de0
AS		 25
26#include <brcmu_utils.h>
27#include <defs.h>
28#include <brcmu_wifi.h>
122d3d04 29#include "core.h"
a8e8ed34 30#include "debug.h"
40c1c249 31#include "tracepoint.h"
7a5c1f64 32#include "fwil_types.h"
9f440b7b 33#include "p2p.h"
61730d4d 34#include "btcoex.h"
bfe81975 35#include "cfg80211.h"
c08437b4 36#include "feature.h"
81f5dcb8 37#include "fwil.h"
8851cce0 38#include "proto.h"
1bacb048 39#include "vendor.h"
d14f78b9 40#include "bus.h"
6b89dcb3 41#include "common.h"
5b435de0 42
e5806072
AS		 43#define BRCMF_SCAN_IE_LEN_MAX 2048
44#define BRCMF_PNO_VERSION 2
45#define BRCMF_PNO_TIME 30
46#define BRCMF_PNO_REPEAT 4
47#define BRCMF_PNO_FREQ_EXPO_MAX 3
48#define BRCMF_PNO_MAX_PFN_COUNT 16
49#define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
50#define BRCMF_PNO_HIDDEN_BIT 2
51#define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
52#define BRCMF_PNO_SCAN_COMPLETE 1
53#define BRCMF_PNO_SCAN_INCOMPLETE 0
54
1a873342
HM		 55#define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
56#define WPA_OUI_TYPE 1
57#define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
58#define WME_OUI_TYPE 2
89286dc9 59#define WPS_OUI_TYPE 4
1a873342
HM		 60
61#define VS_IE_FIXED_HDR_LEN 6
62#define WPA_IE_VERSION_LEN 2
63#define WPA_IE_MIN_OUI_LEN 4
64#define WPA_IE_SUITE_COUNT_LEN 2
65
66#define WPA_CIPHER_NONE 0 /* None */
67#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
68#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
69#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
70#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
71
72#define RSN_AKM_NONE 0 /* None (IBSS) */
73#define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
74#define RSN_AKM_PSK 2 /* Pre-shared Key */
240d61a9
HM		 75#define RSN_AKM_SHA256_1X 5 /* SHA256, 802.1X */
76#define RSN_AKM_SHA256_PSK 6 /* SHA256, Pre-shared Key */
1a873342 77#define RSN_CAP_LEN 2 /* Length of RSN capabilities */
240d61a9
HM		 78#define RSN_CAP_PTK_REPLAY_CNTR_MASK (BIT(2) | BIT(3))
79#define RSN_CAP_MFPR_MASK BIT(6)
80#define RSN_CAP_MFPC_MASK BIT(7)
81#define RSN_PMKID_COUNT_LEN 2
1a873342
HM		 82
83#define VNDR_IE_CMD_LEN 4 /* length of the set command
84 * string :"add", "del" (+ NUL)
85 */
86#define VNDR_IE_COUNT_OFFSET 4
87#define VNDR_IE_PKTFLAG_OFFSET 8
88#define VNDR_IE_VSIE_OFFSET 12
89#define VNDR_IE_HDR_SIZE 12
9f440b7b 90#define VNDR_IE_PARSE_LIMIT 5
1a873342
HM		 91
92#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
93#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
04012895 94
89286dc9
HM		 95#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
96#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
97#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
98
1678ba8e
HM		 99#define BRCMF_SCAN_CHANNEL_TIME 40
100#define BRCMF_SCAN_UNASSOC_TIME 40
101#define BRCMF_SCAN_PASSIVE_TIME 120
102
3021ad9a
HM		 103#define BRCMF_ND_INFO_TIMEOUT msecs_to_jiffies(2000)
104
5b435de0
AS		 105#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
106 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
107
ce81e317 108static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
5b435de0 109{
c1179033 110 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
647c9ae0
AS		 111 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
112 vif->sme_state);
5b435de0
AS		 113 return false;
114 }
115 return true;
116}
117
5b435de0
AS		 118#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
119#define RATETAB_ENT(_rateid, _flags) \
120 { \
121 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
122 .hw_value = (_rateid), \
123 .flags = (_flags), \
124 }
125
126static struct ieee80211_rate __wl_rates[] = {
127 RATETAB_ENT(BRCM_RATE_1M, 0),
128 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
129 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
130 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
131 RATETAB_ENT(BRCM_RATE_6M, 0),
132 RATETAB_ENT(BRCM_RATE_9M, 0),
133 RATETAB_ENT(BRCM_RATE_12M, 0),
134 RATETAB_ENT(BRCM_RATE_18M, 0),
135 RATETAB_ENT(BRCM_RATE_24M, 0),
136 RATETAB_ENT(BRCM_RATE_36M, 0),
137 RATETAB_ENT(BRCM_RATE_48M, 0),
138 RATETAB_ENT(BRCM_RATE_54M, 0),
139};
140
5b435de0 141#define wl_g_rates (__wl_rates + 0)
58de92d2
AS		 142#define wl_g_rates_size ARRAY_SIZE(__wl_rates)
143#define wl_a_rates (__wl_rates + 4)
144#define wl_a_rates_size (wl_g_rates_size - 4)
145
146#define CHAN2G(_channel, _freq) { \
57fbcce3 147 .band = NL80211_BAND_2GHZ, \
58de92d2
AS		 148 .center_freq = (_freq), \
149 .hw_value = (_channel), \
150 .flags = IEEE80211_CHAN_DISABLED, \
151 .max_antenna_gain = 0, \
152 .max_power = 30, \
153}
154
155#define CHAN5G(_channel) { \
57fbcce3 156 .band = NL80211_BAND_5GHZ, \
58de92d2
AS		 157 .center_freq = 5000 + (5 * (_channel)), \
158 .hw_value = (_channel), \
159 .flags = IEEE80211_CHAN_DISABLED, \
160 .max_antenna_gain = 0, \
161 .max_power = 30, \
162}
163
164static struct ieee80211_channel __wl_2ghz_channels[] = {
165 CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427),
166 CHAN2G(5, 2432), CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447),
167 CHAN2G(9, 2452), CHAN2G(10, 2457), CHAN2G(11, 2462), CHAN2G(12, 2467),
168 CHAN2G(13, 2472), CHAN2G(14, 2484)
169};
170
171static struct ieee80211_channel __wl_5ghz_channels[] = {
172 CHAN5G(34), CHAN5G(36), CHAN5G(38), CHAN5G(40), CHAN5G(42),
173 CHAN5G(44), CHAN5G(46), CHAN5G(48), CHAN5G(52), CHAN5G(56),
174 CHAN5G(60), CHAN5G(64), CHAN5G(100), CHAN5G(104), CHAN5G(108),
175 CHAN5G(112), CHAN5G(116), CHAN5G(120), CHAN5G(124), CHAN5G(128),
176 CHAN5G(132), CHAN5G(136), CHAN5G(140), CHAN5G(144), CHAN5G(149),
177 CHAN5G(153), CHAN5G(157), CHAN5G(161), CHAN5G(165)
178};
5b435de0 179
b48d8916 180/* Band templates duplicated per wiphy. The channel info
58de92d2 181 * above is added to the band during setup.
b48d8916
AS		 182 */
183static const struct ieee80211_supported_band __wl_band_2ghz = {
57fbcce3 184 .band = NL80211_BAND_2GHZ,
5b435de0
AS		 185 .bitrates = wl_g_rates,
186 .n_bitrates = wl_g_rates_size,
187};
188
58de92d2 189static const struct ieee80211_supported_band __wl_band_5ghz = {
57fbcce3 190 .band = NL80211_BAND_5GHZ,
5b435de0
AS		 191 .bitrates = wl_a_rates,
192 .n_bitrates = wl_a_rates_size,
193};
194
d48200ba
HM		 195/* This is to override regulatory domains defined in cfg80211 module (reg.c)
196 * By default world regulatory domain defined in reg.c puts the flags
8fe02e16
LR		 197 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
198 * With respect to these flags, wpa_supplicant doesn't * start p2p
199 * operations on 5GHz channels. All the changes in world regulatory
d48200ba
HM		 200 * domain are to be done here.
201 */
202static const struct ieee80211_regdomain brcmf_regdom = {
203 .n_reg_rules = 4,
204 .alpha2 = "99",
205 .reg_rules = {
206 /* IEEE 802.11b/g, channels 1..11 */
207 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
208 /* If any */
209 /* IEEE 802.11 channel 14 - Only JP enables
210 * this and for 802.11b only
211 */
212 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
213 /* IEEE 802.11a, channel 36..64 */
c555ecde 214 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
d48200ba 215 /* IEEE 802.11a, channel 100..165 */
c555ecde 216 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
5b435de0
AS		 217};
218
240d61a9
HM		 219/* Note: brcmf_cipher_suites is an array of int defining which cipher suites
220 * are supported. A pointer to this array and the number of entries is passed
221 * on to upper layers. AES_CMAC defines whether or not the driver supports MFP.
222 * So the cipher suite AES_CMAC has to be the last one in the array, and when
223 * device does not support MFP then the number of suites will be decreased by 1
224 */
225static const u32 brcmf_cipher_suites[] = {
5b435de0
AS		 226 WLAN_CIPHER_SUITE_WEP40,
227 WLAN_CIPHER_SUITE_WEP104,
228 WLAN_CIPHER_SUITE_TKIP,
229 WLAN_CIPHER_SUITE_CCMP,
240d61a9
HM		 230 /* Keep as last entry: */
231 WLAN_CIPHER_SUITE_AES_CMAC
5b435de0
AS		 232};
233
1a873342
HM		 234/* Vendor specific ie. id = 221, oui and type defines exact ie */
235struct brcmf_vs_tlv {
236 u8 id;
237 u8 len;
238 u8 oui[3];
239 u8 oui_type;
240};
241
242struct parsed_vndr_ie_info {
243 u8 *ie_ptr;
244 u32 ie_len; /* total length including id & length field */
245 struct brcmf_vs_tlv vndrie;
246};
247
248struct parsed_vndr_ies {
249 u32 count;
9f440b7b 250 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
1a873342
HM		 251};
252
7705ba6f
AS		 253static u8 nl80211_band_to_fwil(enum nl80211_band band)
254{
255 switch (band) {
256 case NL80211_BAND_2GHZ:
257 return WLC_BAND_2G;
258 case NL80211_BAND_5GHZ:
259 return WLC_BAND_5G;
260 default:
261 WARN_ON(1);
262 break;
263 }
264 return 0;
265}
266
5a394eba
AS		 267static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
268 struct cfg80211_chan_def *ch)
600a897d
AS		 269{
270 struct brcmu_chan ch_inf;
271 s32 primary_offset;
272
273 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
274 ch->chan->center_freq, ch->center_freq1, ch->width);
275 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
36e8072e 276 primary_offset = ch->chan->center_freq - ch->center_freq1;
600a897d
AS		 277 switch (ch->width) {
278 case NL80211_CHAN_WIDTH_20:
0cd75b19 279 case NL80211_CHAN_WIDTH_20_NOHT:
600a897d
AS		 280 ch_inf.bw = BRCMU_CHAN_BW_20;
281 WARN_ON(primary_offset != 0);
282 break;
283 case NL80211_CHAN_WIDTH_40:
284 ch_inf.bw = BRCMU_CHAN_BW_40;
36e8072e 285 if (primary_offset > 0)
600a897d
AS		 286 ch_inf.sb = BRCMU_CHAN_SB_U;
287 else
288 ch_inf.sb = BRCMU_CHAN_SB_L;
289 break;
290 case NL80211_CHAN_WIDTH_80:
291 ch_inf.bw = BRCMU_CHAN_BW_80;
36e8072e
RM		 292 if (primary_offset == -30)
293 ch_inf.sb = BRCMU_CHAN_SB_LL;
294 else if (primary_offset == -10)
295 ch_inf.sb = BRCMU_CHAN_SB_LU;
296 else if (primary_offset == 10)
297 ch_inf.sb = BRCMU_CHAN_SB_UL;
298 else
299 ch_inf.sb = BRCMU_CHAN_SB_UU;
600a897d 300 break;
0cd75b19
AS		 301 case NL80211_CHAN_WIDTH_80P80:
302 case NL80211_CHAN_WIDTH_160:
303 case NL80211_CHAN_WIDTH_5:
304 case NL80211_CHAN_WIDTH_10:
600a897d
AS		 305 default:
306 WARN_ON_ONCE(1);
307 }
308 switch (ch->chan->band) {
57fbcce3 309 case NL80211_BAND_2GHZ:
600a897d
AS		 310 ch_inf.band = BRCMU_CHAN_BAND_2G;
311 break;
57fbcce3 312 case NL80211_BAND_5GHZ:
600a897d
AS		 313 ch_inf.band = BRCMU_CHAN_BAND_5G;
314 break;
57fbcce3 315 case NL80211_BAND_60GHZ:
600a897d
AS		 316 default:
317 WARN_ON_ONCE(1);
318 }
319 d11inf->encchspec(&ch_inf);
320
321 return ch_inf.chspec;
322}
323
83cf17aa
FL		 324u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
325 struct ieee80211_channel *ch)
6e186166 326{
83cf17aa 327 struct brcmu_chan ch_inf;
6e186166 328
83cf17aa
FL		 329 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
330 ch_inf.bw = BRCMU_CHAN_BW_20;
331 d11inf->encchspec(&ch_inf);
6e186166 332
83cf17aa 333 return ch_inf.chspec;
6e186166
AS		 334}
335
89286dc9
HM		 336/* Traverse a string of 1-byte tag/1-byte length/variable-length value
337 * triples, returning a pointer to the substring whose first element
338 * matches tag
339 */
4b5800fe
JB		 340const struct brcmf_tlv *
341brcmf_parse_tlvs(const void *buf, int buflen, uint key)
89286dc9 342{
4b5800fe
JB		 343 const struct brcmf_tlv *elt = buf;
344 int totlen = buflen;
89286dc9
HM		 345
346 /* find tagged parameter */
347 while (totlen >= TLV_HDR_LEN) {
348 int len = elt->len;
349
350 /* validate remaining totlen */
351 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
352 return elt;
353
354 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
355 totlen -= (len + TLV_HDR_LEN);
356 }
357
358 return NULL;
359}
360
361/* Is any of the tlvs the expected entry? If
362 * not update the tlvs buffer pointer/length.
363 */
364static bool
4b5800fe
JB		 365brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
366 const u8 *oui, u32 oui_len, u8 type)
89286dc9
HM		 367{
368 /* If the contents match the OUI and the type */
369 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
370 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
371 type == ie[TLV_BODY_OFF + oui_len]) {
372 return true;
373 }
374
375 if (tlvs == NULL)
376 return false;
377 /* point to the next ie */
378 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
379 /* calculate the length of the rest of the buffer */
380 *tlvs_len -= (int)(ie - *tlvs);
381 /* update the pointer to the start of the buffer */
382 *tlvs = ie;
383
384 return false;
385}
386
387static struct brcmf_vs_tlv *
4b5800fe 388brcmf_find_wpaie(const u8 *parse, u32 len)
89286dc9 389{
4b5800fe 390 const struct brcmf_tlv *ie;
89286dc9
HM		 391
392 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
4b5800fe 393 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
89286dc9
HM		 394 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
395 return (struct brcmf_vs_tlv *)ie;
396 }
397 return NULL;
398}
399
400static struct brcmf_vs_tlv *
4b5800fe 401brcmf_find_wpsie(const u8 *parse, u32 len)
89286dc9 402{
4b5800fe 403 const struct brcmf_tlv *ie;
89286dc9
HM		 404
405 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
406 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
407 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
408 return (struct brcmf_vs_tlv *)ie;
409 }
410 return NULL;
411}
412
39504a2d
AS		 413static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg,
414 struct brcmf_cfg80211_vif *vif,
415 enum nl80211_iftype new_type)
416{
417 int iftype_num[NUM_NL80211_IFTYPES];
418 struct brcmf_cfg80211_vif *pos;
353c46ac
AS		 419 bool check_combos = false;
420 int ret = 0;
39504a2d
AS		 421
422 memset(&iftype_num[0], 0, sizeof(iftype_num));
423 list_for_each_entry(pos, &cfg->vif_list, list)
353c46ac 424 if (pos == vif) {
39504a2d 425 iftype_num[new_type]++;
353c46ac
AS		 426 } else {
427 /* concurrent interfaces so need check combinations */
428 check_combos = true;
39504a2d 429 iftype_num[pos->wdev.iftype]++;
353c46ac
AS		 430 }
431
432 if (check_combos)
433 ret = cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num);
39504a2d 434
353c46ac 435 return ret;
39504a2d
AS		 436}
437
438static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg,
439 enum nl80211_iftype new_type)
440{
441 int iftype_num[NUM_NL80211_IFTYPES];
442 struct brcmf_cfg80211_vif *pos;
443
444 memset(&iftype_num[0], 0, sizeof(iftype_num));
445 list_for_each_entry(pos, &cfg->vif_list, list)
446 iftype_num[pos->wdev.iftype]++;
447
448 iftype_num[new_type]++;
449 return cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num);
450}
89286dc9 451
5b435de0
AS		 452static void convert_key_from_CPU(struct brcmf_wsec_key *key,
453 struct brcmf_wsec_key_le *key_le)
454{
455 key_le->index = cpu_to_le32(key->index);
456 key_le->len = cpu_to_le32(key->len);
457 key_le->algo = cpu_to_le32(key->algo);
458 key_le->flags = cpu_to_le32(key->flags);
459 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
460 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
461 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
462 memcpy(key_le->data, key->data, sizeof(key->data));
463 memcpy(key_le->ea, key->ea, sizeof(key->ea));
464}
465
f09d0c02 466static int
118eb304 467send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key)
5b435de0
AS		 468{
469 int err;
470 struct brcmf_wsec_key_le key_le;
471
472 convert_key_from_CPU(key, &key_le);
f09d0c02 473
118eb304 474 brcmf_netdev_wait_pend8021x(ifp);
81f5dcb8 475
118eb304 476 err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le,
81f5dcb8 477 sizeof(key_le));
f09d0c02 478
5b435de0 479 if (err)
57d6e91a 480 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 481 return err;
482}
483
b3657453 484static s32
52f22fb2 485brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable)
b3657453
HM		 486{
487 s32 err;
488 u32 mode;
489
490 if (enable)
491 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
492 else
493 mode = 0;
494
495 /* Try to set and enable ARP offload feature, this may fail, then it */
496 /* is simply not supported and err 0 will be returned */
497 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
498 if (err) {
499 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
500 mode, err);
501 err = 0;
502 } else {
503 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
504 if (err) {
505 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
506 enable, err);
507 err = 0;
508 } else
509 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
510 enable, mode);
511 }
512
52f22fb2
FL		 513 err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable);
514 if (err) {
515 brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n",
516 enable, err);
517 err = 0;
518 } else
519 brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n",
520 enable, mode);
521
b3657453
HM		 522 return err;
523}
524
8851cce0
HM		 525static void
526brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
527{
8f2b4597
AS		 528 struct brcmf_cfg80211_vif *vif;
529 struct brcmf_if *ifp;
530
531 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
532 ifp = vif->ifp;
8851cce0
HM		 533
534 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
535 (wdev->iftype == NL80211_IFTYPE_AP) ||
536 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
537 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
538 ADDR_DIRECT);
539 else
540 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
541 ADDR_INDIRECT);
542}
543
d02fb8f1
RM		 544static int brcmf_get_first_free_bsscfgidx(struct brcmf_pub *drvr)
545{
546 int bsscfgidx;
547
548 for (bsscfgidx = 0; bsscfgidx < BRCMF_MAX_IFS; bsscfgidx++) {
549 /* bsscfgidx 1 is reserved for legacy P2P */
550 if (bsscfgidx == 1)
551 continue;
552 if (!drvr->iflist[bsscfgidx])
553 return bsscfgidx;
554 }
555
556 return -ENOMEM;
557}
558
a44aa400
HM		 559static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp)
560{
561 struct brcmf_mbss_ssid_le mbss_ssid_le;
562 int bsscfgidx;
563 int err;
564
565 memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le));
d02fb8f1 566 bsscfgidx = brcmf_get_first_free_bsscfgidx(ifp->drvr);
a44aa400
HM		 567 if (bsscfgidx < 0)
568 return bsscfgidx;
569
570 mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx);
571 mbss_ssid_le.SSID_len = cpu_to_le32(5);
572 sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx);
573
574 err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le,
575 sizeof(mbss_ssid_le));
576 if (err < 0)
577 brcmf_err("setting ssid failed %d\n", err);
578
579 return err;
580}
581
582/**
583 * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS
584 *
585 * @wiphy: wiphy device of new interface.
586 * @name: name of the new interface.
587 * @flags: not used.
588 * @params: contains mac address for AP device.
589 */
590static
591struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name,
592 u32 *flags, struct vif_params *params)
593{
594 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
595 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
596 struct brcmf_cfg80211_vif *vif;
597 int err;
598
599 if (brcmf_cfg80211_vif_event_armed(cfg))
600 return ERR_PTR(-EBUSY);
601
602 brcmf_dbg(INFO, "Adding vif \"%s\"\n", name);
603
604 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false);
605 if (IS_ERR(vif))
606 return (struct wireless_dev *)vif;
607
608 brcmf_cfg80211_arm_vif_event(cfg, vif);
609
610 err = brcmf_cfg80211_request_ap_if(ifp);
611 if (err) {
612 brcmf_cfg80211_arm_vif_event(cfg, NULL);
613 goto fail;
614 }
615
616 /* wait for firmware event */
a9eb0c4b
AS		 617 err = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_ADD,
618 BRCMF_VIF_EVENT_TIMEOUT);
a44aa400
HM		 619 brcmf_cfg80211_arm_vif_event(cfg, NULL);
620 if (!err) {
621 brcmf_err("timeout occurred\n");
622 err = -EIO;
623 goto fail;
624 }
625
626 /* interface created in firmware */
627 ifp = vif->ifp;
628 if (!ifp) {
629 brcmf_err("no if pointer provided\n");
630 err = -ENOENT;
631 goto fail;
632 }
633
634 strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
635 err = brcmf_net_attach(ifp, true);
636 if (err) {
637 brcmf_err("Registering netdevice failed\n");
638 goto fail;
639 }
640
641 return &ifp->vif->wdev;
642
643fail:
644 brcmf_free_vif(vif);
645 return ERR_PTR(err);
646}
647
967fe2c8
AS		 648static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
649{
650 enum nl80211_iftype iftype;
651
652 iftype = vif->wdev.iftype;
653 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
654}
655
656static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
657{
658 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
659}
660
9f440b7b
AS		 661static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
662 const char *name,
6bab2e19 663 unsigned char name_assign_type,
9f440b7b
AS		 664 enum nl80211_iftype type,
665 u32 *flags,
666 struct vif_params *params)
667{
8851cce0 668 struct wireless_dev *wdev;
39504a2d 669 int err;
8851cce0 670
9f440b7b 671 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
39504a2d
AS		 672 err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type);
673 if (err) {
674 brcmf_err("iface validation failed: err=%d\n", err);
675 return ERR_PTR(err);
676 }
9f440b7b
AS		 677 switch (type) {
678 case NL80211_IFTYPE_ADHOC:
679 case NL80211_IFTYPE_STATION:
9f440b7b
AS		 680 case NL80211_IFTYPE_AP_VLAN:
681 case NL80211_IFTYPE_WDS:
682 case NL80211_IFTYPE_MONITOR:
683 case NL80211_IFTYPE_MESH_POINT:
684 return ERR_PTR(-EOPNOTSUPP);
a44aa400
HM		 685 case NL80211_IFTYPE_AP:
686 wdev = brcmf_ap_add_vif(wiphy, name, flags, params);
687 if (!IS_ERR(wdev))
688 brcmf_cfg80211_update_proto_addr_mode(wdev);
689 return wdev;
9f440b7b
AS		 690 case NL80211_IFTYPE_P2P_CLIENT:
691 case NL80211_IFTYPE_P2P_GO:
27f10e38 692 case NL80211_IFTYPE_P2P_DEVICE:
6bab2e19 693 wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, flags, params);
8851cce0
HM		 694 if (!IS_ERR(wdev))
695 brcmf_cfg80211_update_proto_addr_mode(wdev);
696 return wdev;
9f440b7b 697 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 698 default:
699 return ERR_PTR(-EINVAL);
700 }
701}
702
5e787f75
DK		 703static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
704{
c08437b4 705 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
5e787f75
DK		 706 brcmf_set_mpc(ifp, mpc);
707}
708
f96aa07e 709void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
5f4f9f11 710{
5f4f9f11
AS		 711 s32 err = 0;
712
713 if (check_vif_up(ifp->vif)) {
714 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
715 if (err) {
716 brcmf_err("fail to set mpc\n");
717 return;
718 }
719 brcmf_dbg(INFO, "MPC : %d\n", mpc);
720 }
721}
722
a0f472ac
AS		 723s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
724 struct brcmf_if *ifp, bool aborted,
725 bool fw_abort)
5f4f9f11
AS		 726{
727 struct brcmf_scan_params_le params_le;
728 struct cfg80211_scan_request *scan_request;
729 s32 err = 0;
730
731 brcmf_dbg(SCAN, "Enter\n");
732
733 /* clear scan request, because the FW abort can cause a second call */
734 /* to this functon and might cause a double cfg80211_scan_done */
735 scan_request = cfg->scan_request;
736 cfg->scan_request = NULL;
737
738 if (timer_pending(&cfg->escan_timeout))
739 del_timer_sync(&cfg->escan_timeout);
740
741 if (fw_abort) {
742 /* Do a scan abort to stop the driver's scan engine */
743 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
744 memset(&params_le, 0, sizeof(params_le));
93803b33 745 eth_broadcast_addr(params_le.bssid);
5f4f9f11
AS		 746 params_le.bss_type = DOT11_BSSTYPE_ANY;
747 params_le.scan_type = 0;
748 params_le.channel_num = cpu_to_le32(1);
749 params_le.nprobes = cpu_to_le32(1);
750 params_le.active_time = cpu_to_le32(-1);
751 params_le.passive_time = cpu_to_le32(-1);
752 params_le.home_time = cpu_to_le32(-1);
753 /* Scan is aborted by setting channel_list[0] to -1 */
754 params_le.channel_list[0] = cpu_to_le16(-1);
755 /* E-Scan (or anyother type) can be aborted by SCAN */
f96aa07e 756 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
5f4f9f11
AS		 757 &params_le, sizeof(params_le));
758 if (err)
759 brcmf_err("Scan abort failed\n");
760 }
0f0fe990 761
5e787f75 762 brcmf_scan_config_mpc(ifp, 1);
0f0fe990 763
5f4f9f11
AS		 764 /*
765 * e-scan can be initiated by scheduled scan
766 * which takes precedence.
767 */
768 if (cfg->sched_escan) {
769 brcmf_dbg(SCAN, "scheduled scan completed\n");
770 cfg->sched_escan = false;
771 if (!aborted)
772 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
5f4f9f11
AS		 773 } else if (scan_request) {
774 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
775 aborted ? "Aborted" : "Done");
776 cfg80211_scan_done(scan_request, aborted);
5f4f9f11 777 }
6eda4e2c
HM		 778 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
779 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
5f4f9f11
AS		 780
781 return err;
782}
783
9f440b7b
AS		 784static
785int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
786{
5f4f9f11
AS		 787 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
788 struct net_device *ndev = wdev->netdev;
789
790 /* vif event pending in firmware */
791 if (brcmf_cfg80211_vif_event_armed(cfg))
792 return -EBUSY;
793
794 if (ndev) {
795 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
a0f472ac
AS		 796 cfg->escan_info.ifp == netdev_priv(ndev))
797 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
798 true, true);
5f4f9f11
AS		 799
800 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
801 }
802
9f440b7b
AS		 803 switch (wdev->iftype) {
804 case NL80211_IFTYPE_ADHOC:
805 case NL80211_IFTYPE_STATION:
806 case NL80211_IFTYPE_AP:
807 case NL80211_IFTYPE_AP_VLAN:
808 case NL80211_IFTYPE_WDS:
809 case NL80211_IFTYPE_MONITOR:
810 case NL80211_IFTYPE_MESH_POINT:
811 return -EOPNOTSUPP;
812 case NL80211_IFTYPE_P2P_CLIENT:
813 case NL80211_IFTYPE_P2P_GO:
27f10e38 814 case NL80211_IFTYPE_P2P_DEVICE:
9f440b7b
AS		 815 return brcmf_p2p_del_vif(wiphy, wdev);
816 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 817 default:
818 return -EINVAL;
819 }
820 return -EOPNOTSUPP;
821}
822
5b435de0
AS		 823static s32
824brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
825 enum nl80211_iftype type, u32 *flags,
826 struct vif_params *params)
827{
7a5c1f64 828 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
c1179033 829 struct brcmf_if *ifp = netdev_priv(ndev);
128ce3b6 830 struct brcmf_cfg80211_vif *vif = ifp->vif;
5b435de0 831 s32 infra = 0;
1a873342 832 s32 ap = 0;
5b435de0
AS		 833 s32 err = 0;
834
37a869ec
HM		 835 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, type=%d\n", ifp->bsscfgidx,
836 type);
178e9ef9
HM		 837
838 /* WAR: There are a number of p2p interface related problems which
839 * need to be handled initially (before doing the validate).
840 * wpa_supplicant tends to do iface changes on p2p device/client/go
841 * which are not always possible/allowed. However we need to return
842 * OK otherwise the wpa_supplicant wont start. The situation differs
843 * on configuration and setup (p2pon=1 module param). The first check
844 * is to see if the request is a change to station for p2p iface.
845 */
846 if ((type == NL80211_IFTYPE_STATION) &&
847 ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
848 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) ||
849 (vif->wdev.iftype == NL80211_IFTYPE_P2P_DEVICE))) {
850 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
851 /* Now depending on whether module param p2pon=1 was used the
852 * response needs to be either 0 or EOPNOTSUPP. The reason is
853 * that if p2pon=1 is used, but a newer supplicant is used then
854 * we should return an error, as this combination wont work.
855 * In other situations 0 is returned and supplicant will start
856 * normally. It will give a trace in cfg80211, but it is the
857 * only way to get it working. Unfortunately this will result
858 * in situation where we wont support new supplicant in
859 * combination with module param p2pon=1, but that is the way
860 * it is. If the user tries this then unloading of driver might
861 * fail/lock.
862 */
863 if (cfg->p2p.p2pdev_dynamically)
864 return -EOPNOTSUPP;
865 else
866 return 0;
867 }
39504a2d
AS		 868 err = brcmf_vif_change_validate(wiphy_to_cfg(wiphy), vif, type);
869 if (err) {
870 brcmf_err("iface validation failed: err=%d\n", err);
871 return err;
872 }
5b435de0
AS		 873 switch (type) {
874 case NL80211_IFTYPE_MONITOR:
875 case NL80211_IFTYPE_WDS:
57d6e91a
AS		 876 brcmf_err("type (%d) : currently we do not support this type\n",
877 type);
5b435de0
AS		 878 return -EOPNOTSUPP;
879 case NL80211_IFTYPE_ADHOC:
5b435de0
AS		 880 infra = 0;
881 break;
882 case NL80211_IFTYPE_STATION:
5b435de0
AS		 883 infra = 1;
884 break;
1a873342 885 case NL80211_IFTYPE_AP:
7a5c1f64 886 case NL80211_IFTYPE_P2P_GO:
1a873342
HM		 887 ap = 1;
888 break;
5b435de0
AS		 889 default:
890 err = -EINVAL;
891 goto done;
892 }
893
1a873342 894 if (ap) {
7a5c1f64
HM		 895 if (type == NL80211_IFTYPE_P2P_GO) {
896 brcmf_dbg(INFO, "IF Type = P2P GO\n");
897 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
898 }
899 if (!err) {
7a5c1f64
HM		 900 brcmf_dbg(INFO, "IF Type = AP\n");
901 }
5b435de0 902 } else {
128ce3b6 903 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
1a873342 904 if (err) {
57d6e91a 905 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
1a873342
HM		 906 err = -EAGAIN;
907 goto done;
908 }
967fe2c8 909 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
647c9ae0 910 "Adhoc" : "Infra");
5b435de0 911 }
1a873342 912 ndev->ieee80211_ptr->iftype = type;
5b435de0 913
8851cce0
HM		 914 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
915
5b435de0 916done:
d96b801f 917 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 918
919 return err;
920}
921
83cf17aa
FL		 922static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
923 struct brcmf_scan_params_le *params_le,
e756af5b
HM		 924 struct cfg80211_scan_request *request)
925{
926 u32 n_ssids;
927 u32 n_channels;
928 s32 i;
929 s32 offset;
029591f3 930 u16 chanspec;
e756af5b 931 char *ptr;
029591f3 932 struct brcmf_ssid_le ssid_le;
e756af5b 933
93803b33 934 eth_broadcast_addr(params_le->bssid);
e756af5b
HM		 935 params_le->bss_type = DOT11_BSSTYPE_ANY;
936 params_le->scan_type = 0;
937 params_le->channel_num = 0;
938 params_le->nprobes = cpu_to_le32(-1);
939 params_le->active_time = cpu_to_le32(-1);
940 params_le->passive_time = cpu_to_le32(-1);
941 params_le->home_time = cpu_to_le32(-1);
942 memset(&params_le->ssid_le, 0, sizeof(params_le->ssid_le));
943
944 /* if request is null exit so it will be all channel broadcast scan */
945 if (!request)
946 return;
947
948 n_ssids = request->n_ssids;
949 n_channels = request->n_channels;
950 /* Copy channel array if applicable */
4e8a008e
AS		 951 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
952 n_channels);
e756af5b
HM		 953 if (n_channels > 0) {
954 for (i = 0; i < n_channels; i++) {
83cf17aa
FL		 955 chanspec = channel_to_chanspec(&cfg->d11inf,
956 request->channels[i]);
4e8a008e
AS		 957 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
958 request->channels[i]->hw_value, chanspec);
029591f3 959 params_le->channel_list[i] = cpu_to_le16(chanspec);
e756af5b
HM		 960 }
961 } else {
4e8a008e 962 brcmf_dbg(SCAN, "Scanning all channels\n");
e756af5b
HM		 963 }
964 /* Copy ssid array if applicable */
4e8a008e 965 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
e756af5b
HM		 966 if (n_ssids > 0) {
967 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
968 n_channels * sizeof(u16);
969 offset = roundup(offset, sizeof(u32));
970 ptr = (char *)params_le + offset;
971 for (i = 0; i < n_ssids; i++) {
029591f3
AS		 972 memset(&ssid_le, 0, sizeof(ssid_le));
973 ssid_le.SSID_len =
974 cpu_to_le32(request->ssids[i].ssid_len);
975 memcpy(ssid_le.SSID, request->ssids[i].ssid,
976 request->ssids[i].ssid_len);
977 if (!ssid_le.SSID_len)
4e8a008e 978 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
e756af5b 979 else
4e8a008e
AS		 980 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
981 i, ssid_le.SSID, ssid_le.SSID_len);
029591f3
AS		 982 memcpy(ptr, &ssid_le, sizeof(ssid_le));
983 ptr += sizeof(ssid_le);
e756af5b
HM		 984 }
985 } else {
4e8a008e 986 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
e756af5b 987 if ((request->ssids) && request->ssids->ssid_len) {
4e8a008e
AS		 988 brcmf_dbg(SCAN, "SSID %s len=%d\n",
989 params_le->ssid_le.SSID,
990 request->ssids->ssid_len);
e756af5b
HM		 991 params_le->ssid_le.SSID_len =
992 cpu_to_le32(request->ssids->ssid_len);
993 memcpy(&params_le->ssid_le.SSID, request->ssids->ssid,
994 request->ssids->ssid_len);
995 }
996 }
997 /* Adding mask to channel numbers */
998 params_le->channel_num =
999 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
1000 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
1001}
1002
e756af5b 1003static s32
a0f472ac 1004brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
c4958106 1005 struct cfg80211_scan_request *request)
e756af5b
HM		 1006{
1007 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
1008 offsetof(struct brcmf_escan_params_le, params_le);
1009 struct brcmf_escan_params_le *params;
1010 s32 err = 0;
1011
4e8a008e 1012 brcmf_dbg(SCAN, "E-SCAN START\n");
e756af5b
HM		 1013
1014 if (request != NULL) {
1015 /* Allocate space for populating ssids in struct */
1016 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
1017
1018 /* Allocate space for populating ssids in struct */
e9a6ca82 1019 params_size += sizeof(struct brcmf_ssid_le) * request->n_ssids;
e756af5b
HM		 1020 }
1021
1022 params = kzalloc(params_size, GFP_KERNEL);
1023 if (!params) {
1024 err = -ENOMEM;
1025 goto exit;
1026 }
1027 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
83cf17aa 1028 brcmf_escan_prep(cfg, &params->params_le, request);
e756af5b 1029 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
c4958106 1030 params->action = cpu_to_le16(WL_ESCAN_ACTION_START);
e756af5b
HM		 1031 params->sync_id = cpu_to_le16(0x1234);
1032
a0f472ac 1033 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
e756af5b
HM		 1034 if (err) {
1035 if (err == -EBUSY)
647c9ae0 1036 brcmf_dbg(INFO, "system busy : escan canceled\n");
e756af5b 1037 else
57d6e91a 1038 brcmf_err("error (%d)\n", err);
e756af5b
HM		 1039 }
1040
1041 kfree(params);
1042exit:
1043 return err;
1044}
1045
1046static s32
27a68fe3 1047brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
a0f472ac 1048 struct brcmf_if *ifp, struct cfg80211_scan_request *request)
e756af5b
HM		 1049{
1050 s32 err;
81f5dcb8 1051 u32 passive_scan;
e756af5b 1052 struct brcmf_scan_results *results;
9f440b7b 1053 struct escan_info *escan = &cfg->escan_info;
e756af5b 1054
4e8a008e 1055 brcmf_dbg(SCAN, "Enter\n");
a0f472ac 1056 escan->ifp = ifp;
9f440b7b
AS		 1057 escan->wiphy = wiphy;
1058 escan->escan_state = WL_ESCAN_STATE_SCANNING;
81f5dcb8 1059 passive_scan = cfg->active_scan ? 0 : 1;
f96aa07e 1060 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 1061 passive_scan);
e756af5b 1062 if (err) {
57d6e91a 1063 brcmf_err("error (%d)\n", err);
e756af5b
HM		 1064 return err;
1065 }
5e787f75 1066 brcmf_scan_config_mpc(ifp, 0);
27a68fe3 1067 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
e756af5b
HM		 1068 results->version = 0;
1069 results->count = 0;
1070 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
1071
c4958106 1072 err = escan->run(cfg, ifp, request);
e756af5b 1073 if (err)
5e787f75 1074 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1075 return err;
1076}
1077
1078static s32
a0f472ac 1079brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
e756af5b
HM		 1080 struct cfg80211_scan_request *request,
1081 struct cfg80211_ssid *this_ssid)
1082{
a0f472ac
AS		 1083 struct brcmf_if *ifp = vif->ifp;
1084 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e756af5b 1085 struct cfg80211_ssid *ssids;
81f5dcb8 1086 u32 passive_scan;
e756af5b
HM		 1087 bool escan_req;
1088 bool spec_scan;
1089 s32 err;
675f5d82 1090 struct brcmf_ssid_le ssid_le;
e756af5b
HM		 1091 u32 SSID_len;
1092
4e8a008e 1093 brcmf_dbg(SCAN, "START ESCAN\n");
e756af5b 1094
c1179033 1095 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 1096 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e756af5b
HM		 1097 return -EAGAIN;
1098 }
c1179033 1099 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
57d6e91a
AS		 1100 brcmf_err("Scanning being aborted: status (%lu)\n",
1101 cfg->scan_status);
e756af5b
HM		 1102 return -EAGAIN;
1103 }
1687eee2
AS		 1104 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
1105 brcmf_err("Scanning suppressed: status (%lu)\n",
1106 cfg->scan_status);
1107 return -EAGAIN;
1108 }
c1179033 1109 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
57d6e91a 1110 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
e756af5b
HM		 1111 return -EAGAIN;
1112 }
1113
0f8ffe17 1114 /* If scan req comes for p2p0, send it over primary I/F */
a0f472ac
AS		 1115 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
1116 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
0f8ffe17 1117
e756af5b
HM		 1118 escan_req = false;
1119 if (request) {
1120 /* scan bss */
1121 ssids = request->ssids;
1122 escan_req = true;
1123 } else {
1124 /* scan in ibss */
1125 /* we don't do escan in ibss */
1126 ssids = this_ssid;
1127 }
1128
27a68fe3 1129 cfg->scan_request = request;
c1179033 1130 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e756af5b 1131 if (escan_req) {
9f440b7b 1132 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 1133 err = brcmf_p2p_scan_prep(wiphy, request, vif);
9f440b7b
AS		 1134 if (err)
1135 goto scan_out;
1136
a0f472ac 1137 err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
2cb941c0 1138 if (err)
e756af5b
HM		 1139 goto scan_out;
1140 } else {
4e8a008e
AS		 1141 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
1142 ssids->ssid, ssids->ssid_len);
675f5d82
HM		 1143 memset(&ssid_le, 0, sizeof(ssid_le));
1144 SSID_len = min_t(u8, sizeof(ssid_le.SSID), ssids->ssid_len);
1145 ssid_le.SSID_len = cpu_to_le32(0);
e756af5b
HM		 1146 spec_scan = false;
1147 if (SSID_len) {
675f5d82
HM		 1148 memcpy(ssid_le.SSID, ssids->ssid, SSID_len);
1149 ssid_le.SSID_len = cpu_to_le32(SSID_len);
e756af5b
HM		 1150 spec_scan = true;
1151 } else
4e8a008e 1152 brcmf_dbg(SCAN, "Broadcast scan\n");
e756af5b 1153
81f5dcb8 1154 passive_scan = cfg->active_scan ? 0 : 1;
c1179033 1155 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 1156 passive_scan);
e756af5b 1157 if (err) {
57d6e91a 1158 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
e756af5b
HM		 1159 goto scan_out;
1160 }
5e787f75 1161 brcmf_scan_config_mpc(ifp, 0);
675f5d82
HM		 1162 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, &ssid_le,
1163 sizeof(ssid_le));
e756af5b
HM		 1164 if (err) {
1165 if (err == -EBUSY)
647c9ae0 1166 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
675f5d82 1167 ssid_le.SSID);
e756af5b 1168 else
57d6e91a 1169 brcmf_err("WLC_SCAN error (%d)\n", err);
e756af5b 1170
5e787f75 1171 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1172 goto scan_out;
1173 }
1174 }
1175
661fa95d
HM		 1176 /* Arm scan timeout timer */
1177 mod_timer(&cfg->escan_timeout, jiffies +
d5367334 1178 BRCMF_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
661fa95d 1179
e756af5b
HM		 1180 return 0;
1181
1182scan_out:
c1179033 1183 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
27a68fe3 1184 cfg->scan_request = NULL;
e756af5b
HM		 1185 return err;
1186}
1187
5b435de0 1188static s32
0abb5f21 1189brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
5b435de0 1190{
a0f472ac 1191 struct brcmf_cfg80211_vif *vif;
5b435de0
AS		 1192 s32 err = 0;
1193
d96b801f 1194 brcmf_dbg(TRACE, "Enter\n");
a0f472ac
AS		 1195 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1196 if (!check_vif_up(vif))
5b435de0
AS		 1197 return -EIO;
1198
a0f472ac 1199 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
e756af5b 1200
5b435de0 1201 if (err)
57d6e91a 1202 brcmf_err("scan error (%d)\n", err);
5b435de0 1203
d96b801f 1204 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1205 return err;
1206}
1207
1208static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1209{
1210 s32 err = 0;
1211
ac24be6f
AS		 1212 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1213 rts_threshold);
5b435de0 1214 if (err)
57d6e91a 1215 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1216
1217 return err;
1218}
1219
1220static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1221{
1222 s32 err = 0;
1223
ac24be6f
AS		 1224 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1225 frag_threshold);
5b435de0 1226 if (err)
57d6e91a 1227 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1228
1229 return err;
1230}
1231
1232static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1233{
1234 s32 err = 0;
b87e2c48 1235 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
5b435de0 1236
ac24be6f 1237 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
5b435de0 1238 if (err) {
57d6e91a 1239 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
5b435de0
AS		 1240 return err;
1241 }
1242 return err;
1243}
1244
1245static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1246{
27a68fe3
AS		 1247 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1248 struct net_device *ndev = cfg_to_ndev(cfg);
0abb5f21 1249 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1250 s32 err = 0;
1251
d96b801f 1252 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1253 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1254 return -EIO;
1255
1256 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
27a68fe3
AS		 1257 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1258 cfg->conf->rts_threshold = wiphy->rts_threshold;
1259 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
5b435de0
AS		 1260 if (!err)
1261 goto done;
1262 }
1263 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
27a68fe3
AS		 1264 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1265 cfg->conf->frag_threshold = wiphy->frag_threshold;
1266 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
5b435de0
AS		 1267 if (!err)
1268 goto done;
1269 }
1270 if (changed & WIPHY_PARAM_RETRY_LONG
27a68fe3
AS		 1271 && (cfg->conf->retry_long != wiphy->retry_long)) {
1272 cfg->conf->retry_long = wiphy->retry_long;
1273 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
5b435de0
AS		 1274 if (!err)
1275 goto done;
1276 }
1277 if (changed & WIPHY_PARAM_RETRY_SHORT
27a68fe3
AS		 1278 && (cfg->conf->retry_short != wiphy->retry_short)) {
1279 cfg->conf->retry_short = wiphy->retry_short;
1280 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
5b435de0
AS		 1281 if (!err)
1282 goto done;
1283 }
1284
1285done:
d96b801f 1286 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1287 return err;
1288}
1289
5b435de0
AS		 1290static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1291{
1292 memset(prof, 0, sizeof(*prof));
1293}
1294
9b7a0ddc
AS		 1295static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e)
1296{
1297 u16 reason;
1298
1299 switch (e->event_code) {
1300 case BRCMF_E_DEAUTH:
1301 case BRCMF_E_DEAUTH_IND:
1302 case BRCMF_E_DISASSOC_IND:
1303 reason = e->reason;
1304 break;
1305 case BRCMF_E_LINK:
1306 default:
1307 reason = 0;
1308 break;
1309 }
1310 return reason;
1311}
1312
1313static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason)
5b435de0 1314{
61730d4d 1315 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
5b435de0
AS		 1316 s32 err = 0;
1317
d96b801f 1318 brcmf_dbg(TRACE, "Enter\n");
5b435de0 1319
b0a79088 1320 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
647c9ae0 1321 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
903e0eee 1322 err = brcmf_fil_cmd_data_set(vif->ifp,
ac24be6f 1323 BRCMF_C_DISASSOC, NULL, 0);
a538ae31 1324 if (err) {
57d6e91a 1325 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
a538ae31 1326 }
b0a79088
HM		 1327 if ((vif->wdev.iftype == NL80211_IFTYPE_STATION) ||
1328 (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT))
1329 cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0,
1330 true, GFP_KERNEL);
5b435de0 1331 }
903e0eee 1332 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
61730d4d
PH		 1333 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1334 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
d96b801f 1335 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1336}
1337
1338static s32
1339brcmf_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);
0abb5f21
AS		 1343 struct brcmf_if *ifp = netdev_priv(ndev);
1344 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1345 struct brcmf_join_params join_params;
1346 size_t join_params_size = 0;
1347 s32 err = 0;
1348 s32 wsec = 0;
1349 s32 bcnprd;
1701261d 1350 u16 chanspec;
e9a6ca82 1351 u32 ssid_len;
5b435de0 1352
d96b801f 1353 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1354 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1355 return -EIO;
1356
1357 if (params->ssid)
16886735 1358 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
5b435de0 1359 else {
16886735 1360 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
5b435de0
AS		 1361 return -EOPNOTSUPP;
1362 }
1363
c1179033 1364 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1365
1366 if (params->bssid)
16886735 1367 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
5b435de0 1368 else
16886735 1369 brcmf_dbg(CONN, "No BSSID specified\n");
5b435de0 1370
683b6d3b 1371 if (params->chandef.chan)
16886735
AS		 1372 brcmf_dbg(CONN, "channel: %d\n",
1373 params->chandef.chan->center_freq);
5b435de0 1374 else
16886735 1375 brcmf_dbg(CONN, "no channel specified\n");
5b435de0
AS		 1376
1377 if (params->channel_fixed)
16886735 1378 brcmf_dbg(CONN, "fixed channel required\n");
5b435de0 1379 else
16886735 1380 brcmf_dbg(CONN, "no fixed channel required\n");
5b435de0
AS		 1381
1382 if (params->ie && params->ie_len)
16886735 1383 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
5b435de0 1384 else
16886735 1385 brcmf_dbg(CONN, "no ie specified\n");
5b435de0
AS		 1386
1387 if (params->beacon_interval)
16886735
AS		 1388 brcmf_dbg(CONN, "beacon interval: %d\n",
1389 params->beacon_interval);
5b435de0 1390 else
16886735 1391 brcmf_dbg(CONN, "no beacon interval specified\n");
5b435de0
AS		 1392
1393 if (params->basic_rates)
16886735 1394 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
5b435de0 1395 else
16886735 1396 brcmf_dbg(CONN, "no basic rates specified\n");
5b435de0
AS		 1397
1398 if (params->privacy)
16886735 1399 brcmf_dbg(CONN, "privacy required\n");
5b435de0 1400 else
16886735 1401 brcmf_dbg(CONN, "no privacy required\n");
5b435de0
AS		 1402
1403 /* Configure Privacy for starter */
1404 if (params->privacy)
1405 wsec |= WEP_ENABLED;
1406
c1179033 1407 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
5b435de0 1408 if (err) {
57d6e91a 1409 brcmf_err("wsec failed (%d)\n", err);
5b435de0
AS		 1410 goto done;
1411 }
1412
1413 /* Configure Beacon Interval for starter */
1414 if (params->beacon_interval)
1415 bcnprd = params->beacon_interval;
1416 else
1417 bcnprd = 100;
1418
b87e2c48 1419 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
5b435de0 1420 if (err) {
57d6e91a 1421 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
5b435de0
AS		 1422 goto done;
1423 }
1424
1425 /* Configure required join parameter */
1426 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1427
1428 /* SSID */
e9a6ca82
HM		 1429 ssid_len = min_t(u32, params->ssid_len, IEEE80211_MAX_SSID_LEN);
1430 memcpy(join_params.ssid_le.SSID, params->ssid, ssid_len);
1431 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len);
5b435de0 1432 join_params_size = sizeof(join_params.ssid_le);
5b435de0
AS		 1433
1434 /* BSSID */
1435 if (params->bssid) {
1436 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
e9a6ca82 1437 join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE;
6c8c4f72 1438 memcpy(profile->bssid, params->bssid, ETH_ALEN);
5b435de0 1439 } else {
93803b33
JP		 1440 eth_broadcast_addr(join_params.params_le.bssid);
1441 eth_zero_addr(profile->bssid);
5b435de0
AS		 1442 }
1443
5b435de0 1444 /* Channel */
683b6d3b 1445 if (params->chandef.chan) {
5b435de0
AS		 1446 u32 target_channel;
1447
27a68fe3 1448 cfg->channel =
5b435de0 1449 ieee80211_frequency_to_channel(
683b6d3b 1450 params->chandef.chan->center_freq);
5b435de0
AS		 1451 if (params->channel_fixed) {
1452 /* adding chanspec */
600a897d
AS		 1453 chanspec = chandef_to_chanspec(&cfg->d11inf,
1454 &params->chandef);
1701261d
HM		 1455 join_params.params_le.chanspec_list[0] =
1456 cpu_to_le16(chanspec);
1457 join_params.params_le.chanspec_num = cpu_to_le32(1);
1458 join_params_size += sizeof(join_params.params_le);
5b435de0
AS		 1459 }
1460
1461 /* set channel for starter */
27a68fe3 1462 target_channel = cfg->channel;
b87e2c48 1463 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
81f5dcb8 1464 target_channel);
5b435de0 1465 if (err) {
57d6e91a 1466 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
5b435de0
AS		 1467 goto done;
1468 }
1469 } else
27a68fe3 1470 cfg->channel = 0;
5b435de0 1471
27a68fe3 1472 cfg->ibss_starter = false;
5b435de0
AS		 1473
1474
c1179033 1475 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1476 &join_params, join_params_size);
5b435de0 1477 if (err) {
57d6e91a 1478 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1479 goto done;
1480 }
1481
1482done:
1483 if (err)
c1179033 1484 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1485 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1486 return err;
1487}
1488
1489static s32
1490brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1491{
0abb5f21 1492 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 1493
d96b801f 1494 brcmf_dbg(TRACE, "Enter\n");
6a98d64a
HM		 1495 if (!check_vif_up(ifp->vif)) {
1496 /* When driver is being unloaded, it can end up here. If an
1497 * error is returned then later on a debug trace in the wireless
1498 * core module will be printed. To avoid this 0 is returned.
1499 */
1500 return 0;
1501 }
5b435de0 1502
9b7a0ddc 1503 brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING);
42e0ed0d 1504 brcmf_net_setcarrier(ifp, false);
5b435de0 1505
d96b801f 1506 brcmf_dbg(TRACE, "Exit\n");
5b435de0 1507
12f32370 1508 return 0;
5b435de0
AS		 1509}
1510
1511static s32 brcmf_set_wpa_version(struct net_device *ndev,
1512 struct cfg80211_connect_params *sme)
1513{
6ac4f4ed 1514 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1515 struct brcmf_cfg80211_security *sec;
1516 s32 val = 0;
1517 s32 err = 0;
1518
1519 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1520 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1521 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1522 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1523 else
1524 val = WPA_AUTH_DISABLED;
16886735 1525 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
89286dc9 1526 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
5b435de0 1527 if (err) {
57d6e91a 1528 brcmf_err("set wpa_auth failed (%d)\n", err);
5b435de0
AS		 1529 return err;
1530 }
06bb123e 1531 sec = &profile->sec;
5b435de0
AS		 1532 sec->wpa_versions = sme->crypto.wpa_versions;
1533 return err;
1534}
1535
1536static s32 brcmf_set_auth_type(struct net_device *ndev,
1537 struct cfg80211_connect_params *sme)
1538{
6ac4f4ed 1539 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1540 struct brcmf_cfg80211_security *sec;
1541 s32 val = 0;
1542 s32 err = 0;
1543
1544 switch (sme->auth_type) {
1545 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1546 val = 0;
16886735 1547 brcmf_dbg(CONN, "open system\n");
5b435de0
AS		 1548 break;
1549 case NL80211_AUTHTYPE_SHARED_KEY:
1550 val = 1;
16886735 1551 brcmf_dbg(CONN, "shared key\n");
5b435de0
AS		 1552 break;
1553 case NL80211_AUTHTYPE_AUTOMATIC:
1554 val = 2;
16886735 1555 brcmf_dbg(CONN, "automatic\n");
5b435de0
AS		 1556 break;
1557 case NL80211_AUTHTYPE_NETWORK_EAP:
16886735 1558 brcmf_dbg(CONN, "network eap\n");
5b435de0
AS		 1559 default:
1560 val = 2;
57d6e91a 1561 brcmf_err("invalid auth type (%d)\n", sme->auth_type);
5b435de0
AS		 1562 break;
1563 }
1564
89286dc9 1565 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
5b435de0 1566 if (err) {
57d6e91a 1567 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1568 return err;
1569 }
06bb123e 1570 sec = &profile->sec;
5b435de0
AS		 1571 sec->auth_type = sme->auth_type;
1572 return err;
1573}
1574
1575static s32
87b7e9e2 1576brcmf_set_wsec_mode(struct net_device *ndev,
240d61a9 1577 struct cfg80211_connect_params *sme)
5b435de0 1578{
6ac4f4ed 1579 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1580 struct brcmf_cfg80211_security *sec;
1581 s32 pval = 0;
1582 s32 gval = 0;
87b7e9e2 1583 s32 wsec;
5b435de0
AS		 1584 s32 err = 0;
1585
1586 if (sme->crypto.n_ciphers_pairwise) {
1587 switch (sme->crypto.ciphers_pairwise[0]) {
1588 case WLAN_CIPHER_SUITE_WEP40:
1589 case WLAN_CIPHER_SUITE_WEP104:
1590 pval = WEP_ENABLED;
1591 break;
1592 case WLAN_CIPHER_SUITE_TKIP:
1593 pval = TKIP_ENABLED;
1594 break;
1595 case WLAN_CIPHER_SUITE_CCMP:
1596 pval = AES_ENABLED;
1597 break;
1598 case WLAN_CIPHER_SUITE_AES_CMAC:
1599 pval = AES_ENABLED;
1600 break;
1601 default:
57d6e91a
AS		 1602 brcmf_err("invalid cipher pairwise (%d)\n",
1603 sme->crypto.ciphers_pairwise[0]);
5b435de0
AS		 1604 return -EINVAL;
1605 }
1606 }
1607 if (sme->crypto.cipher_group) {
1608 switch (sme->crypto.cipher_group) {
1609 case WLAN_CIPHER_SUITE_WEP40:
1610 case WLAN_CIPHER_SUITE_WEP104:
1611 gval = WEP_ENABLED;
1612 break;
1613 case WLAN_CIPHER_SUITE_TKIP:
1614 gval = TKIP_ENABLED;
1615 break;
1616 case WLAN_CIPHER_SUITE_CCMP:
1617 gval = AES_ENABLED;
1618 break;
1619 case WLAN_CIPHER_SUITE_AES_CMAC:
1620 gval = AES_ENABLED;
1621 break;
1622 default:
57d6e91a
AS		 1623 brcmf_err("invalid cipher group (%d)\n",
1624 sme->crypto.cipher_group);
5b435de0
AS		 1625 return -EINVAL;
1626 }
1627 }
1628
16886735 1629 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
89286dc9
HM		 1630 /* In case of privacy, but no security and WPS then simulate */
1631 /* setting AES. WPS-2.0 allows no security */
1632 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1633 sme->privacy)
1634 pval = AES_ENABLED;
87b7e9e2 1635
240d61a9 1636 wsec = pval | gval;
87b7e9e2 1637 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
5b435de0 1638 if (err) {
57d6e91a 1639 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1640 return err;
1641 }
1642
06bb123e 1643 sec = &profile->sec;
5b435de0
AS		 1644 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1645 sec->cipher_group = sme->crypto.cipher_group;
1646
1647 return err;
1648}
1649
1650static s32
1651brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1652{
240d61a9
HM		 1653 struct brcmf_if *ifp = netdev_priv(ndev);
1654 s32 val;
1655 s32 err;
1656 const struct brcmf_tlv *rsn_ie;
1657 const u8 *ie;
1658 u32 ie_len;
1659 u32 offset;
1660 u16 rsn_cap;
1661 u32 mfp;
1662 u16 count;
5b435de0 1663
240d61a9
HM		 1664 if (!sme->crypto.n_akm_suites)
1665 return 0;
1666
1667 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), "wpa_auth", &val);
1668 if (err) {
1669 brcmf_err("could not get wpa_auth (%d)\n", err);
1670 return err;
1671 }
1672 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1673 switch (sme->crypto.akm_suites[0]) {
1674 case WLAN_AKM_SUITE_8021X:
1675 val = WPA_AUTH_UNSPECIFIED;
1676 break;
1677 case WLAN_AKM_SUITE_PSK:
1678 val = WPA_AUTH_PSK;
1679 break;
1680 default:
1681 brcmf_err("invalid cipher group (%d)\n",
1682 sme->crypto.cipher_group);
1683 return -EINVAL;
5b435de0 1684 }
240d61a9
HM		 1685 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1686 switch (sme->crypto.akm_suites[0]) {
1687 case WLAN_AKM_SUITE_8021X:
1688 val = WPA2_AUTH_UNSPECIFIED;
1689 break;
1690 case WLAN_AKM_SUITE_8021X_SHA256:
1691 val = WPA2_AUTH_1X_SHA256;
1692 break;
1693 case WLAN_AKM_SUITE_PSK_SHA256:
1694 val = WPA2_AUTH_PSK_SHA256;
1695 break;
1696 case WLAN_AKM_SUITE_PSK:
1697 val = WPA2_AUTH_PSK;
1698 break;
1699 default:
1700 brcmf_err("invalid cipher group (%d)\n",
1701 sme->crypto.cipher_group);
1702 return -EINVAL;
5b435de0 1703 }
240d61a9 1704 }
5b435de0 1705
240d61a9
HM		 1706 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP))
1707 goto skip_mfp_config;
1708 /* The MFP mode (1 or 2) needs to be determined, parse IEs. The
1709 * IE will not be verified, just a quick search for MFP config
1710 */
1711 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, sme->ie_len,
1712 WLAN_EID_RSN);
1713 if (!rsn_ie)
1714 goto skip_mfp_config;
1715 ie = (const u8 *)rsn_ie;
1716 ie_len = rsn_ie->len + TLV_HDR_LEN;
1717 /* Skip unicast suite */
1718 offset = TLV_HDR_LEN + WPA_IE_VERSION_LEN + WPA_IE_MIN_OUI_LEN;
1719 if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len)
1720 goto skip_mfp_config;
1721 /* Skip multicast suite */
1722 count = ie[offset] + (ie[offset + 1] << 8);
1723 offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN);
1724 if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len)
1725 goto skip_mfp_config;
1726 /* Skip auth key management suite(s) */
1727 count = ie[offset] + (ie[offset + 1] << 8);
1728 offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN);
1729 if (offset + WPA_IE_SUITE_COUNT_LEN > ie_len)
1730 goto skip_mfp_config;
1731 /* Ready to read capabilities */
1732 mfp = BRCMF_MFP_NONE;
1733 rsn_cap = ie[offset] + (ie[offset + 1] << 8);
1734 if (rsn_cap & RSN_CAP_MFPR_MASK)
1735 mfp = BRCMF_MFP_REQUIRED;
1736 else if (rsn_cap & RSN_CAP_MFPC_MASK)
1737 mfp = BRCMF_MFP_CAPABLE;
1738 brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "mfp", mfp);
1739
1740skip_mfp_config:
1741 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
1742 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
1743 if (err) {
1744 brcmf_err("could not set wpa_auth (%d)\n", err);
1745 return err;
5b435de0 1746 }
5b435de0
AS		 1747
1748 return err;
1749}
1750
1751static s32
f09d0c02
HM		 1752brcmf_set_sharedkey(struct net_device *ndev,
1753 struct cfg80211_connect_params *sme)
5b435de0 1754{
6ac4f4ed 1755 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1756 struct brcmf_cfg80211_security *sec;
1757 struct brcmf_wsec_key key;
1758 s32 val;
1759 s32 err = 0;
1760
16886735 1761 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
5b435de0 1762
a718e2fe
RV		 1763 if (sme->key_len == 0)
1764 return 0;
1765
06bb123e 1766 sec = &profile->sec;
16886735
AS		 1767 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1768 sec->wpa_versions, sec->cipher_pairwise);
a718e2fe
RV		 1769
1770 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1771 return 0;
1772
f09d0c02
HM		 1773 if (!(sec->cipher_pairwise &
1774 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1775 return 0;
a718e2fe 1776
f09d0c02
HM		 1777 memset(&key, 0, sizeof(key));
1778 key.len = (u32) sme->key_len;
1779 key.index = (u32) sme->key_idx;
1780 if (key.len > sizeof(key.data)) {
57d6e91a 1781 brcmf_err("Too long key length (%u)\n", key.len);
f09d0c02
HM		 1782 return -EINVAL;
1783 }
1784 memcpy(key.data, sme->key, key.len);
1785 key.flags = BRCMF_PRIMARY_KEY;
1786 switch (sec->cipher_pairwise) {
1787 case WLAN_CIPHER_SUITE_WEP40:
1788 key.algo = CRYPTO_ALGO_WEP1;
1789 break;
1790 case WLAN_CIPHER_SUITE_WEP104:
1791 key.algo = CRYPTO_ALGO_WEP128;
1792 break;
1793 default:
57d6e91a
AS		 1794 brcmf_err("Invalid algorithm (%d)\n",
1795 sme->crypto.ciphers_pairwise[0]);
f09d0c02
HM		 1796 return -EINVAL;
1797 }
1798 /* Set the new key/index */
16886735
AS		 1799 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1800 key.len, key.index, key.algo);
1801 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
118eb304 1802 err = send_key_to_dongle(netdev_priv(ndev), &key);
f09d0c02
HM		 1803 if (err)
1804 return err;
1805
1806 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
16886735 1807 brcmf_dbg(CONN, "set auth_type to shared key\n");
f09d0c02 1808 val = WL_AUTH_SHARED_KEY; /* shared key */
ac24be6f 1809 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
f09d0c02 1810 if (err)
57d6e91a 1811 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1812 }
1813 return err;
1814}
1815
cbb1ec94
AS		 1816static
1817enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1818 enum nl80211_auth_type type)
1819{
c08437b4
AS		 1820 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1821 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1822 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1823 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
cbb1ec94
AS		 1824 }
1825 return type;
1826}
1827
7705ba6f
AS		 1828static void brcmf_set_join_pref(struct brcmf_if *ifp,
1829 struct cfg80211_bss_selection *bss_select)
1830{
1831 struct brcmf_join_pref_params join_pref_params[2];
1832 enum nl80211_band band;
1833 int err, i = 0;
1834
1835 join_pref_params[i].len = 2;
1836 join_pref_params[i].rssi_gain = 0;
1837
1838 if (bss_select->behaviour != NL80211_BSS_SELECT_ATTR_BAND_PREF)
1839 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_ASSOC_PREFER, WLC_BAND_AUTO);
1840
1841 switch (bss_select->behaviour) {
1842 case __NL80211_BSS_SELECT_ATTR_INVALID:
1843 brcmf_c_set_joinpref_default(ifp);
1844 return;
1845 case NL80211_BSS_SELECT_ATTR_BAND_PREF:
1846 join_pref_params[i].type = BRCMF_JOIN_PREF_BAND;
1847 band = bss_select->param.band_pref;
1848 join_pref_params[i].band = nl80211_band_to_fwil(band);
1849 i++;
1850 break;
1851 case NL80211_BSS_SELECT_ATTR_RSSI_ADJUST:
1852 join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI_DELTA;
1853 band = bss_select->param.adjust.band;
1854 join_pref_params[i].band = nl80211_band_to_fwil(band);
1855 join_pref_params[i].rssi_gain = bss_select->param.adjust.delta;
1856 i++;
1857 break;
1858 case NL80211_BSS_SELECT_ATTR_RSSI:
1859 default:
1860 break;
1861 }
1862 join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI;
1863 join_pref_params[i].len = 2;
1864 join_pref_params[i].rssi_gain = 0;
1865 join_pref_params[i].band = 0;
1866 err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params,
1867 sizeof(join_pref_params));
1868 if (err)
1869 brcmf_err("Set join_pref error (%d)\n", err);
1870}
1871
5b435de0
AS		 1872static s32
1873brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
cbb1ec94 1874 struct cfg80211_connect_params *sme)
5b435de0 1875{
27a68fe3 1876 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 1877 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1878 struct ieee80211_channel *chan = sme->channel;
1879 struct brcmf_join_params join_params;
1880 size_t join_params_size;
4b5800fe
JB		 1881 const struct brcmf_tlv *rsn_ie;
1882 const struct brcmf_vs_tlv *wpa_ie;
1883 const void *ie;
89286dc9
HM		 1884 u32 ie_len;
1885 struct brcmf_ext_join_params_le *ext_join_params;
1701261d 1886 u16 chanspec;
5b435de0 1887 s32 err = 0;
e9a6ca82 1888 u32 ssid_len;
5b435de0 1889
d96b801f 1890 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1891 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1892 return -EIO;
1893
1894 if (!sme->ssid) {
57d6e91a 1895 brcmf_err("Invalid ssid\n");
5b435de0
AS		 1896 return -EOPNOTSUPP;
1897 }
1898
89286dc9
HM		 1899 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1900 /* A normal (non P2P) connection request setup. */
1901 ie = NULL;
1902 ie_len = 0;
1903 /* find the WPA_IE */
1904 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1905 if (wpa_ie) {
1906 ie = wpa_ie;
1907 ie_len = wpa_ie->len + TLV_HDR_LEN;
1908 } else {
1909 /* find the RSN_IE */
4b5800fe
JB		 1910 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1911 sme->ie_len,
89286dc9
HM		 1912 WLAN_EID_RSN);
1913 if (rsn_ie) {
1914 ie = rsn_ie;
1915 ie_len = rsn_ie->len + TLV_HDR_LEN;
1916 }
1917 }
1918 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1919 }
1920
1921 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1922 sme->ie, sme->ie_len);
1923 if (err)
1924 brcmf_err("Set Assoc REQ IE Failed\n");
1925 else
1926 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1927
c1179033 1928 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1929
1930 if (chan) {
27a68fe3 1931 cfg->channel =
5b435de0 1932 ieee80211_frequency_to_channel(chan->center_freq);
83cf17aa 1933 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1701261d
HM		 1934 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1935 cfg->channel, chan->center_freq, chanspec);
1936 } else {
27a68fe3 1937 cfg->channel = 0;
1701261d
HM		 1938 chanspec = 0;
1939 }
5b435de0 1940
647c9ae0 1941 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
5b435de0
AS		 1942
1943 err = brcmf_set_wpa_version(ndev, sme);
1944 if (err) {
57d6e91a 1945 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
5b435de0
AS		 1946 goto done;
1947 }
1948
cbb1ec94 1949 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
5b435de0
AS		 1950 err = brcmf_set_auth_type(ndev, sme);
1951 if (err) {
57d6e91a 1952 brcmf_err("wl_set_auth_type failed (%d)\n", err);
5b435de0
AS		 1953 goto done;
1954 }
1955
240d61a9 1956 err = brcmf_set_wsec_mode(ndev, sme);
5b435de0 1957 if (err) {
57d6e91a 1958 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
5b435de0
AS		 1959 goto done;
1960 }
1961
1962 err = brcmf_set_key_mgmt(ndev, sme);
1963 if (err) {
57d6e91a 1964 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
5b435de0
AS		 1965 goto done;
1966 }
1967
f09d0c02 1968 err = brcmf_set_sharedkey(ndev, sme);
5b435de0 1969 if (err) {
57d6e91a 1970 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
5b435de0
AS		 1971 goto done;
1972 }
1973
89286dc9
HM		 1974 /* Join with specific BSSID and cached SSID
1975 * If SSID is zero join based on BSSID only
1976 */
1977 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1978 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1979 if (cfg->channel)
1980 join_params_size += sizeof(u16);
1981 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1982 if (ext_join_params == NULL) {
1983 err = -ENOMEM;
1984 goto done;
1985 }
e9a6ca82
HM		 1986 ssid_len = min_t(u32, sme->ssid_len, IEEE80211_MAX_SSID_LEN);
1987 ext_join_params->ssid_le.SSID_len = cpu_to_le32(ssid_len);
1988 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, ssid_len);
1989 if (ssid_len < IEEE80211_MAX_SSID_LEN)
1990 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n",
1991 ext_join_params->ssid_le.SSID, ssid_len);
63dd99e6 1992
89286dc9
HM		 1993 /* Set up join scan parameters */
1994 ext_join_params->scan_le.scan_type = -1;
89286dc9
HM		 1995 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1996
1997 if (sme->bssid)
1998 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1999 else
93803b33 2000 eth_broadcast_addr(ext_join_params->assoc_le.bssid);
89286dc9
HM		 2001
2002 if (cfg->channel) {
2003 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
2004
2005 ext_join_params->assoc_le.chanspec_list[0] =
2006 cpu_to_le16(chanspec);
63dd99e6
HM		 2007 /* Increase dwell time to receive probe response or detect
2008 * beacon from target AP at a noisy air only during connect
2009 * command.
2010 */
2011 ext_join_params->scan_le.active_time =
2012 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
2013 ext_join_params->scan_le.passive_time =
2014 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
2015 /* To sync with presence period of VSDB GO send probe request
2016 * more frequently. Probe request will be stopped when it gets
2017 * probe response from target AP/GO.
2018 */
2019 ext_join_params->scan_le.nprobes =
2020 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
2021 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
2022 } else {
2023 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
2024 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
2025 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
89286dc9
HM		 2026 }
2027
7705ba6f
AS		 2028 brcmf_set_join_pref(ifp, &sme->bss_select);
2029
89286dc9
HM		 2030 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
2031 join_params_size);
2032 kfree(ext_join_params);
2033 if (!err)
2034 /* This is it. join command worked, we are done */
2035 goto done;
2036
2037 /* join command failed, fallback to set ssid */
5b435de0
AS		 2038 memset(&join_params, 0, sizeof(join_params));
2039 join_params_size = sizeof(join_params.ssid_le);
2040
e9a6ca82
HM		 2041 memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid_len);
2042 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len);
5b435de0 2043
89286dc9
HM		 2044 if (sme->bssid)
2045 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
2046 else
93803b33 2047 eth_broadcast_addr(join_params.params_le.bssid);
5b435de0 2048
1701261d
HM		 2049 if (cfg->channel) {
2050 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
2051 join_params.params_le.chanspec_num = cpu_to_le32(1);
2052 join_params_size += sizeof(join_params.params_le);
2053 }
c1179033 2054 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 2055 &join_params, join_params_size);
5b435de0 2056 if (err)
89286dc9 2057 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
5b435de0
AS		 2058
2059done:
2060 if (err)
c1179033 2061 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 2062 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2063 return err;
2064}
2065
2066static s32
2067brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
2068 u16 reason_code)
2069{
0abb5f21
AS		 2070 struct brcmf_if *ifp = netdev_priv(ndev);
2071 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2072 struct brcmf_scb_val_le scbval;
2073 s32 err = 0;
2074
d96b801f 2075 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
ce81e317 2076 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2077 return -EIO;
2078
c1179033 2079 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
4f3fff14 2080 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
80279fb7 2081 cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL);
5b435de0 2082
06bb123e 2083 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
5b435de0 2084 scbval.val = cpu_to_le32(reason_code);
c1179033 2085 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
ac24be6f 2086 &scbval, sizeof(scbval));
5b435de0 2087 if (err)
57d6e91a 2088 brcmf_err("error (%d)\n", err);
5b435de0 2089
d96b801f 2090 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2091 return err;
2092}
2093
2094static s32
c8442118 2095brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
d3f31134 2096 enum nl80211_tx_power_setting type, s32 mbm)
5b435de0 2097{
27a68fe3 2098 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 2099 struct net_device *ndev = cfg_to_ndev(cfg);
2100 struct brcmf_if *ifp = netdev_priv(ndev);
60dc35ef
HM		 2101 s32 err;
2102 s32 disable;
2103 u32 qdbm = 127;
5b435de0 2104
60dc35ef 2105 brcmf_dbg(TRACE, "Enter %d %d\n", type, mbm);
ce81e317 2106 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2107 return -EIO;
2108
2109 switch (type) {
2110 case NL80211_TX_POWER_AUTOMATIC:
2111 break;
2112 case NL80211_TX_POWER_LIMITED:
5b435de0 2113 case NL80211_TX_POWER_FIXED:
60dc35ef 2114 if (mbm < 0) {
57d6e91a 2115 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
5b435de0
AS		 2116 err = -EINVAL;
2117 goto done;
2118 }
60dc35ef
HM		 2119 qdbm = MBM_TO_DBM(4 * mbm);
2120 if (qdbm > 127)
2121 qdbm = 127;
2122 qdbm |= WL_TXPWR_OVERRIDE;
5b435de0 2123 break;
60dc35ef
HM		 2124 default:
2125 brcmf_err("Unsupported type %d\n", type);
2126 err = -EINVAL;
2127 goto done;
5b435de0
AS		 2128 }
2129 /* Make sure radio is off or on as far as software is concerned */
2130 disable = WL_RADIO_SW_DISABLE << 16;
ac24be6f 2131 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
5b435de0 2132 if (err)
57d6e91a 2133 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
5b435de0 2134
60dc35ef 2135 err = brcmf_fil_iovar_int_set(ifp, "qtxpower", qdbm);
5b435de0 2136 if (err)
57d6e91a 2137 brcmf_err("qtxpower error (%d)\n", err);
5b435de0
AS		 2138
2139done:
60dc35ef 2140 brcmf_dbg(TRACE, "Exit %d (qdbm)\n", qdbm & ~WL_TXPWR_OVERRIDE);
5b435de0
AS		 2141 return err;
2142}
2143
60dc35ef
HM		 2144static s32
2145brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
2146 s32 *dbm)
5b435de0 2147{
27a68fe3 2148 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
60dc35ef
HM		 2149 struct net_device *ndev = cfg_to_ndev(cfg);
2150 struct brcmf_if *ifp = netdev_priv(ndev);
2151 s32 qdbm = 0;
2152 s32 err;
5b435de0 2153
d96b801f 2154 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2155 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2156 return -EIO;
2157
60dc35ef 2158 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &qdbm);
5b435de0 2159 if (err) {
57d6e91a 2160 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2161 goto done;
2162 }
60dc35ef 2163 *dbm = (qdbm & ~WL_TXPWR_OVERRIDE) / 4;
5b435de0
AS		 2164
2165done:
60dc35ef 2166 brcmf_dbg(TRACE, "Exit (0x%x %d)\n", qdbm, *dbm);
5b435de0
AS		 2167 return err;
2168}
2169
2170static s32
2171brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
60dc35ef 2172 u8 key_idx, bool unicast, bool multicast)
5b435de0 2173{
0abb5f21 2174 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2175 u32 index;
2176 u32 wsec;
2177 s32 err = 0;
2178
d96b801f 2179 brcmf_dbg(TRACE, "Enter\n");
16886735 2180 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2181 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2182 return -EIO;
2183
0abb5f21 2184 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2185 if (err) {
57d6e91a 2186 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2187 goto done;
2188 }
2189
2190 if (wsec & WEP_ENABLED) {
2191 /* Just select a new current key */
2192 index = key_idx;
0abb5f21 2193 err = brcmf_fil_cmd_int_set(ifp,
ac24be6f 2194 BRCMF_C_SET_KEY_PRIMARY, index);
5b435de0 2195 if (err)
57d6e91a 2196 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2197 }
2198done:
d96b801f 2199 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2200 return err;
2201}
2202
2203static s32
219e0f74
HM		 2204brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2205 u8 key_idx, bool pairwise, const u8 *mac_addr)
5b435de0 2206{
992f6068 2207 struct brcmf_if *ifp = netdev_priv(ndev);
240d61a9
HM		 2208 struct brcmf_wsec_key *key;
2209 s32 err;
219e0f74
HM		 2210
2211 brcmf_dbg(TRACE, "Enter\n");
240d61a9
HM		 2212 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2213
219e0f74
HM		 2214 if (!check_vif_up(ifp->vif))
2215 return -EIO;
2216
2217 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2218 /* we ignore this key index in this case */
2219 return -EINVAL;
2220 }
5b435de0 2221
240d61a9 2222 key = &ifp->vif->profile.key[key_idx];
5b435de0 2223
240d61a9
HM		 2224 if (key->algo == CRYPTO_ALGO_OFF) {
2225 brcmf_dbg(CONN, "Ignore clearing of (never configured) key\n");
2226 return -EINVAL;
2227 }
5b435de0 2228
240d61a9
HM		 2229 memset(key, 0, sizeof(*key));
2230 key->index = (u32)key_idx;
2231 key->flags = BRCMF_PRIMARY_KEY;
5b435de0 2232
240d61a9
HM		 2233 /* Clear the key/index */
2234 err = send_key_to_dongle(ifp, key);
5b435de0 2235
219e0f74 2236 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2237 return err;
2238}
2239
2240static s32
2241brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
240d61a9
HM		 2242 u8 key_idx, bool pairwise, const u8 *mac_addr,
2243 struct key_params *params)
5b435de0 2244{
0abb5f21 2245 struct brcmf_if *ifp = netdev_priv(ndev);
118eb304 2246 struct brcmf_wsec_key *key;
5b435de0
AS		 2247 s32 val;
2248 s32 wsec;
219e0f74 2249 s32 err;
5b435de0 2250 u8 keybuf[8];
219e0f74 2251 bool ext_key;
5b435de0 2252
d96b801f 2253 brcmf_dbg(TRACE, "Enter\n");
16886735 2254 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2255 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2256 return -EIO;
2257
118eb304
HM		 2258 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2259 /* we ignore this key index in this case */
2260 brcmf_err("invalid key index (%d)\n", key_idx);
2261 return -EINVAL;
2262 }
2263
219e0f74
HM		 2264 if (params->key_len == 0)
2265 return brcmf_cfg80211_del_key(wiphy, ndev, key_idx, pairwise,
2266 mac_addr);
5b435de0 2267
118eb304
HM		 2268 if (params->key_len > sizeof(key->data)) {
2269 brcmf_err("Too long key length (%u)\n", params->key_len);
219e0f74 2270 return -EINVAL;
5b435de0 2271 }
219e0f74
HM		 2272
2273 ext_key = false;
2274 if (mac_addr && (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2275 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
2276 brcmf_dbg(TRACE, "Ext key, mac %pM", mac_addr);
2277 ext_key = true;
2278 }
2279
2280 key = &ifp->vif->profile.key[key_idx];
2281 memset(key, 0, sizeof(*key));
2282 if ((ext_key) && (!is_multicast_ether_addr(mac_addr)))
2283 memcpy((char *)&key->ea, (void *)mac_addr, ETH_ALEN);
118eb304
HM		 2284 key->len = params->key_len;
2285 key->index = key_idx;
118eb304 2286 memcpy(key->data, params->key, key->len);
219e0f74
HM		 2287 if (!ext_key)
2288 key->flags = BRCMF_PRIMARY_KEY;
118eb304 2289
5b435de0
AS		 2290 switch (params->cipher) {
2291 case WLAN_CIPHER_SUITE_WEP40:
118eb304 2292 key->algo = CRYPTO_ALGO_WEP1;
f09d0c02 2293 val = WEP_ENABLED;
16886735 2294 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2295 break;
2296 case WLAN_CIPHER_SUITE_WEP104:
118eb304 2297 key->algo = CRYPTO_ALGO_WEP128;
f09d0c02 2298 val = WEP_ENABLED;
16886735 2299 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2300 break;
2301 case WLAN_CIPHER_SUITE_TKIP:
967fe2c8 2302 if (!brcmf_is_apmode(ifp->vif)) {
992f6068 2303 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
118eb304
HM		 2304 memcpy(keybuf, &key->data[24], sizeof(keybuf));
2305 memcpy(&key->data[24], &key->data[16], sizeof(keybuf));
2306 memcpy(&key->data[16], keybuf, sizeof(keybuf));
1a873342 2307 }
118eb304 2308 key->algo = CRYPTO_ALGO_TKIP;
f09d0c02 2309 val = TKIP_ENABLED;
16886735 2310 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2311 break;
2312 case WLAN_CIPHER_SUITE_AES_CMAC:
118eb304 2313 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2314 val = AES_ENABLED;
16886735 2315 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2316 break;
2317 case WLAN_CIPHER_SUITE_CCMP:
118eb304 2318 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2319 val = AES_ENABLED;
16886735 2320 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2321 break;
2322 default:
57d6e91a 2323 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2324 err = -EINVAL;
2325 goto done;
2326 }
2327
118eb304 2328 err = send_key_to_dongle(ifp, key);
219e0f74 2329 if (ext_key || err)
5b435de0
AS		 2330 goto done;
2331
0abb5f21 2332 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2333 if (err) {
57d6e91a 2334 brcmf_err("get wsec error (%d)\n", err);
5b435de0
AS		 2335 goto done;
2336 }
5b435de0 2337 wsec |= val;
0abb5f21 2338 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
5b435de0 2339 if (err) {
57d6e91a 2340 brcmf_err("set wsec error (%d)\n", err);
5b435de0
AS		 2341 goto done;
2342 }
2343
5b435de0 2344done:
d96b801f 2345 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2346 return err;
2347}
2348
5b435de0 2349static s32
240d61a9
HM		 2350brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx,
2351 bool pairwise, const u8 *mac_addr, void *cookie,
2352 void (*callback)(void *cookie,
2353 struct key_params *params))
5b435de0
AS		 2354{
2355 struct key_params params;
0abb5f21
AS		 2356 struct brcmf_if *ifp = netdev_priv(ndev);
2357 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2358 struct brcmf_cfg80211_security *sec;
2359 s32 wsec;
2360 s32 err = 0;
2361
d96b801f 2362 brcmf_dbg(TRACE, "Enter\n");
16886735 2363 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2364 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2365 return -EIO;
2366
2367 memset(&params, 0, sizeof(params));
2368
0abb5f21 2369 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2370 if (err) {
57d6e91a 2371 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2372 /* Ignore this error, may happen during DISASSOC */
2373 err = -EAGAIN;
2374 goto done;
2375 }
c5bf53a8 2376 if (wsec & WEP_ENABLED) {
06bb123e 2377 sec = &profile->sec;
5b435de0
AS		 2378 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2379 params.cipher = WLAN_CIPHER_SUITE_WEP40;
16886735 2380 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2381 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2382 params.cipher = WLAN_CIPHER_SUITE_WEP104;
16886735 2383 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0 2384 }
c5bf53a8 2385 } else if (wsec & TKIP_ENABLED) {
5b435de0 2386 params.cipher = WLAN_CIPHER_SUITE_TKIP;
16886735 2387 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
c5bf53a8 2388 } else if (wsec & AES_ENABLED) {
5b435de0 2389 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
16886735 2390 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
c5bf53a8 2391 } else {
57d6e91a 2392 brcmf_err("Invalid algo (0x%x)\n", wsec);
5b435de0
AS		 2393 err = -EINVAL;
2394 goto done;
2395 }
2396 callback(cookie, &params);
2397
2398done:
d96b801f 2399 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2400 return err;
2401}
2402
2403static s32
2404brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
240d61a9 2405 struct net_device *ndev, u8 key_idx)
5b435de0 2406{
240d61a9
HM		 2407 struct brcmf_if *ifp = netdev_priv(ndev);
2408
2409 brcmf_dbg(TRACE, "Enter key_idx %d\n", key_idx);
2410
2411 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP))
2412 return 0;
2413
647c9ae0 2414 brcmf_dbg(INFO, "Not supported\n");
5b435de0
AS		 2415
2416 return -EOPNOTSUPP;
2417}
2418
118eb304
HM		 2419static void
2420brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp)
2421{
2422 s32 err;
2423 u8 key_idx;
2424 struct brcmf_wsec_key *key;
2425 s32 wsec;
2426
2427 for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) {
2428 key = &ifp->vif->profile.key[key_idx];
2429 if ((key->algo == CRYPTO_ALGO_WEP1) ||
2430 (key->algo == CRYPTO_ALGO_WEP128))
2431 break;
2432 }
2433 if (key_idx == BRCMF_MAX_DEFAULT_KEYS)
2434 return;
2435
2436 err = send_key_to_dongle(ifp, key);
2437 if (err) {
2438 brcmf_err("Setting WEP key failed (%d)\n", err);
2439 return;
2440 }
2441 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2442 if (err) {
2443 brcmf_err("get wsec error (%d)\n", err);
2444 return;
2445 }
2446 wsec |= WEP_ENABLED;
2447 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2448 if (err)
2449 brcmf_err("set wsec error (%d)\n", err);
2450}
2451
1f0dc59a
AS		 2452static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si)
2453{
2454 struct nl80211_sta_flag_update *sfu;
2455
2456 brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags);
2457 si->filled |= BIT(NL80211_STA_INFO_STA_FLAGS);
2458 sfu = &si->sta_flags;
2459 sfu->mask = BIT(NL80211_STA_FLAG_WME) |
2460 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2461 BIT(NL80211_STA_FLAG_ASSOCIATED) |
2462 BIT(NL80211_STA_FLAG_AUTHORIZED);
2463 if (fw_sta_flags & BRCMF_STA_WME)
2464 sfu->set |= BIT(NL80211_STA_FLAG_WME);
2465 if (fw_sta_flags & BRCMF_STA_AUTHE)
2466 sfu->set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
2467 if (fw_sta_flags & BRCMF_STA_ASSOC)
2468 sfu->set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2469 if (fw_sta_flags & BRCMF_STA_AUTHO)
2470 sfu->set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
2471}
2472
2473static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si)
2474{
2475 struct {
2476 __le32 len;
2477 struct brcmf_bss_info_le bss_le;
2478 } *buf;
2479 u16 capability;
2480 int err;
2481
2482 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2483 if (!buf)
2484 return;
2485
2486 buf->len = cpu_to_le32(WL_BSS_INFO_MAX);
2487 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, buf,
2488 WL_BSS_INFO_MAX);
2489 if (err) {
2490 brcmf_err("Failed to get bss info (%d)\n", err);
2491 return;
2492 }
2493 si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
2494 si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period);
2495 si->bss_param.dtim_period = buf->bss_le.dtim_period;
2496 capability = le16_to_cpu(buf->bss_le.capability);
2497 if (capability & IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT)
2498 si->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
2499 if (capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
2500 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
2501 if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
2502 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
2503}
2504
3f5893d1
HM		 2505static s32
2506brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp,
2507 struct station_info *sinfo)
2508{
2509 struct brcmf_scb_val_le scbval;
2510 struct brcmf_pktcnt_le pktcnt;
2511 s32 err;
2512 u32 rate;
2513 u32 rssi;
2514
2515 /* Get the current tx rate */
2516 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
2517 if (err < 0) {
2518 brcmf_err("BRCMF_C_GET_RATE error (%d)\n", err);
2519 return err;
2520 }
2521 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
2522 sinfo->txrate.legacy = rate * 5;
2523
2524 memset(&scbval, 0, sizeof(scbval));
2525 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, &scbval,
2526 sizeof(scbval));
2527 if (err) {
2528 brcmf_err("BRCMF_C_GET_RSSI error (%d)\n", err);
2529 return err;
2530 }
2531 rssi = le32_to_cpu(scbval.val);
2532 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2533 sinfo->signal = rssi;
2534
2535 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_GET_PKTCNTS, &pktcnt,
2536 sizeof(pktcnt));
2537 if (err) {
2538 brcmf_err("BRCMF_C_GET_GET_PKTCNTS error (%d)\n", err);
2539 return err;
2540 }
2541 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS) |
2542 BIT(NL80211_STA_INFO_RX_DROP_MISC) |
2543 BIT(NL80211_STA_INFO_TX_PACKETS) |
2544 BIT(NL80211_STA_INFO_TX_FAILED);
2545 sinfo->rx_packets = le32_to_cpu(pktcnt.rx_good_pkt);
2546 sinfo->rx_dropped_misc = le32_to_cpu(pktcnt.rx_bad_pkt);
2547 sinfo->tx_packets = le32_to_cpu(pktcnt.tx_good_pkt);
2548 sinfo->tx_failed = le32_to_cpu(pktcnt.tx_bad_pkt);
2549
2550 return 0;
2551}
2552
5b435de0
AS		 2553static s32
2554brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
3b3a0162 2555 const u8 *mac, struct station_info *sinfo)
5b435de0 2556{
0abb5f21 2557 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2558 s32 err = 0;
81f5dcb8 2559 struct brcmf_sta_info_le sta_info_le;
1f0dc59a
AS		 2560 u32 sta_flags;
2561 u32 is_tdls_peer;
cae355dc
HM		 2562 s32 total_rssi;
2563 s32 count_rssi;
2564 u32 i;
5b435de0 2565
d96b801f 2566 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
ce81e317 2567 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2568 return -EIO;
2569
3f5893d1
HM		 2570 if (brcmf_is_ibssmode(ifp->vif))
2571 return brcmf_cfg80211_get_station_ibss(ifp, sinfo);
2572
1f0dc59a
AS		 2573 memset(&sta_info_le, 0, sizeof(sta_info_le));
2574 memcpy(&sta_info_le, mac, ETH_ALEN);
2575 err = brcmf_fil_iovar_data_get(ifp, "tdls_sta_info",
2576 &sta_info_le,
2577 sizeof(sta_info_le));
2578 is_tdls_peer = !err;
2579 if (err) {
0abb5f21 2580 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
ac24be6f 2581 &sta_info_le,
81f5dcb8 2582 sizeof(sta_info_le));
1a873342 2583 if (err < 0) {
57d6e91a 2584 brcmf_err("GET STA INFO failed, %d\n", err);
1a873342
HM		 2585 goto done;
2586 }
1f0dc59a
AS		 2587 }
2588 brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver));
2589 sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME);
2590 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2591 sta_flags = le32_to_cpu(sta_info_le.flags);
2592 brcmf_convert_sta_flags(sta_flags, sinfo);
2593 sinfo->sta_flags.mask |= BIT(NL80211_STA_FLAG_TDLS_PEER);
2594 if (is_tdls_peer)
2595 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
2596 else
2597 sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
2598 if (sta_flags & BRCMF_STA_ASSOC) {
2599 sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME);
2600 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
2601 brcmf_fill_bss_param(ifp, sinfo);
2602 }
2603 if (sta_flags & BRCMF_STA_SCBSTATS) {
2604 sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED);
2605 sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures);
2606 sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);
2607 sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts);
2608 sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts);
2609 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);
2610 sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts);
2611 sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts);
2612 if (sinfo->tx_packets) {
319090bf 2613 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
124d5172
HM		 2614 sinfo->txrate.legacy =
2615 le32_to_cpu(sta_info_le.tx_rate) / 100;
7f6c562d 2616 }
1f0dc59a
AS		 2617 if (sinfo->rx_packets) {
2618 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
124d5172
HM		 2619 sinfo->rxrate.legacy =
2620 le32_to_cpu(sta_info_le.rx_rate) / 100;
1a873342 2621 }
1f0dc59a
AS		 2622 if (le16_to_cpu(sta_info_le.ver) >= 4) {
2623 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES);
2624 sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes);
2625 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES);
2626 sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes);
2627 }
cae355dc
HM		 2628 total_rssi = 0;
2629 count_rssi = 0;
2630 for (i = 0; i < BRCMF_ANT_MAX; i++) {
2631 if (sta_info_le.rssi[i]) {
2632 sinfo->chain_signal_avg[count_rssi] =
2633 sta_info_le.rssi[i];
2634 sinfo->chain_signal[count_rssi] =
2635 sta_info_le.rssi[i];
2636 total_rssi += sta_info_le.rssi[i];
2637 count_rssi++;
2638 }
2639 }
2640 if (count_rssi) {
2641 sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL);
2642 sinfo->chains = count_rssi;
2643
2644 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2645 total_rssi /= count_rssi;
2646 sinfo->signal = total_rssi;
2647 }
1f0dc59a 2648 }
5b435de0 2649done:
d96b801f 2650 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2651 return err;
2652}
2653
bf2a7e04
HM		 2654static int
2655brcmf_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev,
2656 int idx, u8 *mac, struct station_info *sinfo)
2657{
2658 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2659 struct brcmf_if *ifp = netdev_priv(ndev);
2660 s32 err;
2661
2662 brcmf_dbg(TRACE, "Enter, idx %d\n", idx);
2663
2664 if (idx == 0) {
2665 cfg->assoclist.count = cpu_to_le32(BRCMF_MAX_ASSOCLIST);
2666 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_ASSOCLIST,
2667 &cfg->assoclist,
2668 sizeof(cfg->assoclist));
2669 if (err) {
2670 brcmf_err("BRCMF_C_GET_ASSOCLIST unsupported, err=%d\n",
2671 err);
2672 cfg->assoclist.count = 0;
2673 return -EOPNOTSUPP;
2674 }
2675 }
2676 if (idx < le32_to_cpu(cfg->assoclist.count)) {
2677 memcpy(mac, cfg->assoclist.mac[idx], ETH_ALEN);
2678 return brcmf_cfg80211_get_station(wiphy, ndev, mac, sinfo);
2679 }
2680 return -ENOENT;
2681}
2682
5b435de0
AS		 2683static s32
2684brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2685 bool enabled, s32 timeout)
2686{
2687 s32 pm;
2688 s32 err = 0;
27a68fe3 2689 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
c1179033 2690 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2691
d96b801f 2692 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2693
2694 /*
2695 * Powersave enable/disable request is coming from the
2696 * cfg80211 even before the interface is up. In that
2697 * scenario, driver will be storing the power save
27a68fe3 2698 * preference in cfg struct to apply this to
5b435de0
AS		 2699 * FW later while initializing the dongle
2700 */
27a68fe3 2701 cfg->pwr_save = enabled;
ce81e317 2702 if (!check_vif_up(ifp->vif)) {
5b435de0 2703
647c9ae0 2704 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
5b435de0
AS		 2705 goto done;
2706 }
2707
2708 pm = enabled ? PM_FAST : PM_OFF;
102fd0d6
HM		 2709 /* Do not enable the power save after assoc if it is a p2p interface */
2710 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2711 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2712 pm = PM_OFF;
2713 }
647c9ae0 2714 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
5b435de0 2715
c1179033 2716 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
5b435de0
AS		 2717 if (err) {
2718 if (err == -ENODEV)
57d6e91a 2719 brcmf_err("net_device is not ready yet\n");
5b435de0 2720 else
57d6e91a 2721 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2722 }
2723done:
d96b801f 2724 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2725 return err;
2726}
2727
27a68fe3 2728static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
d34bf64f 2729 struct brcmf_bss_info_le *bi)
5b435de0 2730{
27a68fe3 2731 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0
AS		 2732 struct ieee80211_channel *notify_channel;
2733 struct cfg80211_bss *bss;
2734 struct ieee80211_supported_band *band;
83cf17aa 2735 struct brcmu_chan ch;
5b435de0
AS		 2736 u16 channel;
2737 u32 freq;
5b435de0
AS		 2738 u16 notify_capability;
2739 u16 notify_interval;
2740 u8 *notify_ie;
2741 size_t notify_ielen;
2742 s32 notify_signal;
2743
2744 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
57d6e91a 2745 brcmf_err("Bss info is larger than buffer. Discarding\n");
5b435de0
AS		 2746 return 0;
2747 }
2748
83cf17aa
FL		 2749 if (!bi->ctl_ch) {
2750 ch.chspec = le16_to_cpu(bi->chanspec);
2751 cfg->d11inf.decchspec(&ch);
2752 bi->ctl_ch = ch.chnum;
2753 }
2754 channel = bi->ctl_ch;
5b435de0
AS		 2755
2756 if (channel <= CH_MAX_2G_CHANNEL)
57fbcce3 2757 band = wiphy->bands[NL80211_BAND_2GHZ];
5b435de0 2758 else
57fbcce3 2759 band = wiphy->bands[NL80211_BAND_5GHZ];
5b435de0
AS		 2760
2761 freq = ieee80211_channel_to_frequency(channel, band->band);
2762 notify_channel = ieee80211_get_channel(wiphy, freq);
2763
5b435de0
AS		 2764 notify_capability = le16_to_cpu(bi->capability);
2765 notify_interval = le16_to_cpu(bi->beacon_period);
2766 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2767 notify_ielen = le32_to_cpu(bi->ie_length);
2768 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2769
16886735
AS		 2770 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2771 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2772 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2773 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2774 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
5b435de0 2775
5bc8c1f2
JB		 2776 bss = cfg80211_inform_bss(wiphy, notify_channel,
2777 CFG80211_BSS_FTYPE_UNKNOWN,
2778 (const u8 *)bi->BSSID,
2779 0, notify_capability,
2780 notify_interval, notify_ie,
2781 notify_ielen, notify_signal,
2782 GFP_KERNEL);
5b435de0 2783
e78946e1
FL		 2784 if (!bss)
2785 return -ENOMEM;
2786
5b112d3d 2787 cfg80211_put_bss(wiphy, bss);
5b435de0 2788
12f32370 2789 return 0;
5b435de0
AS		 2790}
2791
6f09be0a
RV		 2792static struct brcmf_bss_info_le *
2793next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2794{
2795 if (bss == NULL)
2796 return list->bss_info_le;
2797 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2798 le32_to_cpu(bss->length));
2799}
2800
27a68fe3 2801static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 2802{
2803 struct brcmf_scan_results *bss_list;
d34bf64f 2804 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
5b435de0
AS		 2805 s32 err = 0;
2806 int i;
2807
ef8596e1 2808 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
0ecd8164
AS		 2809 if (bss_list->count != 0 &&
2810 bss_list->version != BRCMF_BSS_INFO_VERSION) {
57d6e91a
AS		 2811 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2812 bss_list->version);
5b435de0
AS		 2813 return -EOPNOTSUPP;
2814 }
4e8a008e 2815 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
f0799895 2816 for (i = 0; i < bss_list->count; i++) {
6f09be0a 2817 bi = next_bss_le(bss_list, bi);
27a68fe3 2818 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2819 if (err)
2820 break;
2821 }
2822 return err;
2823}
2824
b0a79088
HM		 2825static s32 brcmf_inform_ibss(struct brcmf_cfg80211_info *cfg,
2826 struct net_device *ndev, const u8 *bssid)
5b435de0 2827{
27a68fe3 2828 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0 2829 struct ieee80211_channel *notify_channel;
d34bf64f 2830 struct brcmf_bss_info_le *bi = NULL;
5b435de0 2831 struct ieee80211_supported_band *band;
e78946e1 2832 struct cfg80211_bss *bss;
83cf17aa 2833 struct brcmu_chan ch;
5b435de0
AS		 2834 u8 *buf = NULL;
2835 s32 err = 0;
5b435de0 2836 u32 freq;
5b435de0
AS		 2837 u16 notify_capability;
2838 u16 notify_interval;
2839 u8 *notify_ie;
2840 size_t notify_ielen;
2841 s32 notify_signal;
2842
d96b801f 2843 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2844
2845 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2846 if (buf == NULL) {
2847 err = -ENOMEM;
2848 goto CleanUp;
2849 }
2850
2851 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2852
ac24be6f
AS		 2853 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2854 buf, WL_BSS_INFO_MAX);
5b435de0 2855 if (err) {
57d6e91a 2856 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
5b435de0
AS		 2857 goto CleanUp;
2858 }
2859
d34bf64f 2860 bi = (struct brcmf_bss_info_le *)(buf + 4);
5b435de0 2861
83cf17aa
FL		 2862 ch.chspec = le16_to_cpu(bi->chanspec);
2863 cfg->d11inf.decchspec(&ch);
5b435de0 2864
83cf17aa 2865 if (ch.band == BRCMU_CHAN_BAND_2G)
57fbcce3 2866 band = wiphy->bands[NL80211_BAND_2GHZ];
5b435de0 2867 else
57fbcce3 2868 band = wiphy->bands[NL80211_BAND_5GHZ];
5b435de0 2869
83cf17aa 2870 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
b0a79088 2871 cfg->channel = freq;
5b435de0
AS		 2872 notify_channel = ieee80211_get_channel(wiphy, freq);
2873
5b435de0
AS		 2874 notify_capability = le16_to_cpu(bi->capability);
2875 notify_interval = le16_to_cpu(bi->beacon_period);
2876 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2877 notify_ielen = le32_to_cpu(bi->ie_length);
2878 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2879
83cf17aa 2880 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
16886735
AS		 2881 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2882 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2883 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
5b435de0 2884
5bc8c1f2
JB		 2885 bss = cfg80211_inform_bss(wiphy, notify_channel,
2886 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2887 notify_capability, notify_interval,
2888 notify_ie, notify_ielen, notify_signal,
2889 GFP_KERNEL);
5b435de0 2890
e78946e1
FL		 2891 if (!bss) {
2892 err = -ENOMEM;
2893 goto CleanUp;
2894 }
2895
5b112d3d 2896 cfg80211_put_bss(wiphy, bss);
e78946e1 2897
5b435de0
AS		 2898CleanUp:
2899
2900 kfree(buf);
2901
d96b801f 2902 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2903
2904 return err;
2905}
2906
89286dc9
HM		 2907static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2908 struct brcmf_if *ifp)
1a873342 2909{
d34bf64f 2910 struct brcmf_bss_info_le *bi;
4b5800fe 2911 const struct brcmf_tlv *tim;
5b435de0
AS		 2912 u16 beacon_interval;
2913 u8 dtim_period;
2914 size_t ie_len;
2915 u8 *ie;
2916 s32 err = 0;
2917
d96b801f 2918 brcmf_dbg(TRACE, "Enter\n");
128ce3b6 2919 if (brcmf_is_ibssmode(ifp->vif))
5b435de0
AS		 2920 return err;
2921
27a68fe3 2922 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
ac24be6f 2923 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
81f5dcb8 2924 cfg->extra_buf, WL_EXTRA_BUF_MAX);
5b435de0 2925 if (err) {
57d6e91a 2926 brcmf_err("Could not get bss info %d\n", err);
5b435de0
AS		 2927 goto update_bss_info_out;
2928 }
2929
27a68fe3
AS		 2930 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2931 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2932 if (err)
2933 goto update_bss_info_out;
2934
2935 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2936 ie_len = le32_to_cpu(bi->ie_length);
2937 beacon_interval = le16_to_cpu(bi->beacon_period);
2938
f8e4b412 2939 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
5b435de0
AS		 2940 if (tim)
2941 dtim_period = tim->data[1];
2942 else {
2943 /*
2944 * active scan was done so we could not get dtim
2945 * information out of probe response.
2946 * so we speficially query dtim information to dongle.
2947 */
2948 u32 var;
ac24be6f 2949 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
5b435de0 2950 if (err) {
57d6e91a 2951 brcmf_err("wl dtim_assoc failed (%d)\n", err);
5b435de0
AS		 2952 goto update_bss_info_out;
2953 }
2954 dtim_period = (u8)var;
2955 }
2956
5b435de0 2957update_bss_info_out:
d96b801f 2958 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2959 return err;
2960}
2961
18e2f61d 2962void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
5b435de0 2963{
27a68fe3 2964 struct escan_info *escan = &cfg->escan_info;
5b435de0 2965
c1179033 2966 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
f0799895 2967 if (cfg->scan_request) {
108a4bee 2968 escan->escan_state = WL_ESCAN_STATE_IDLE;
a0f472ac 2969 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
5b435de0 2970 }
c1179033
AS		 2971 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2972 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
5b435de0
AS		 2973}
2974
e756af5b
HM		 2975static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2976{
27a68fe3
AS		 2977 struct brcmf_cfg80211_info *cfg =
2978 container_of(work, struct brcmf_cfg80211_info,
e756af5b
HM		 2979 escan_timeout_work);
2980
ef8596e1 2981 brcmf_inform_bss(cfg);
a0f472ac 2982 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
e756af5b
HM		 2983}
2984
2985static void brcmf_escan_timeout(unsigned long data)
2986{
27a68fe3
AS		 2987 struct brcmf_cfg80211_info *cfg =
2988 (struct brcmf_cfg80211_info *)data;
e756af5b 2989
27a68fe3 2990 if (cfg->scan_request) {
57d6e91a 2991 brcmf_err("timer expired\n");
f0799895 2992 schedule_work(&cfg->escan_timeout_work);
e756af5b
HM		 2993 }
2994}
2995
2996static s32
83cf17aa
FL		 2997brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2998 struct brcmf_bss_info_le *bss,
e756af5b
HM		 2999 struct brcmf_bss_info_le *bss_info_le)
3000{
83cf17aa
FL		 3001 struct brcmu_chan ch_bss, ch_bss_info_le;
3002
3003 ch_bss.chspec = le16_to_cpu(bss->chanspec);
3004 cfg->d11inf.decchspec(&ch_bss);
3005 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
3006 cfg->d11inf.decchspec(&ch_bss_info_le);
3007
e756af5b 3008 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
83cf17aa 3009 ch_bss.band == ch_bss_info_le.band &&
e756af5b
HM		 3010 bss_info_le->SSID_len == bss->SSID_len &&
3011 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
6f5838a4
AS		 3012 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
3013 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
029591f3
AS		 3014 s16 bss_rssi = le16_to_cpu(bss->RSSI);
3015 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
3016
e756af5b
HM		 3017 /* preserve max RSSI if the measurements are
3018 * both on-channel or both off-channel
3019 */
029591f3 3020 if (bss_info_rssi > bss_rssi)
e756af5b 3021 bss->RSSI = bss_info_le->RSSI;
6f5838a4
AS		 3022 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
3023 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
e756af5b
HM		 3024 /* preserve the on-channel rssi measurement
3025 * if the new measurement is off channel
3026 */
3027 bss->RSSI = bss_info_le->RSSI;
6f5838a4 3028 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
e756af5b
HM		 3029 }
3030 return 1;
3031 }
3032 return 0;
3033}
3034
3035static s32
1993732e 3036brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
e756af5b
HM		 3037 const struct brcmf_event_msg *e, void *data)
3038{
1993732e 3039 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e756af5b 3040 s32 status;
e756af5b
HM		 3041 struct brcmf_escan_result_le *escan_result_le;
3042 struct brcmf_bss_info_le *bss_info_le;
3043 struct brcmf_bss_info_le *bss = NULL;
3044 u32 bi_length;
3045 struct brcmf_scan_results *list;
3046 u32 i;
97ed15c7 3047 bool aborted;
e756af5b 3048
5c36b99a 3049 status = e->status;
e756af5b 3050
a0f472ac 3051 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
37a869ec 3052 brcmf_err("scan not ready, bsscfgidx=%d\n", ifp->bsscfgidx);
e756af5b
HM		 3053 return -EPERM;
3054 }
3055
3056 if (status == BRCMF_E_STATUS_PARTIAL) {
4e8a008e 3057 brcmf_dbg(SCAN, "ESCAN Partial result\n");
e756af5b
HM		 3058 escan_result_le = (struct brcmf_escan_result_le *) data;
3059 if (!escan_result_le) {
57d6e91a 3060 brcmf_err("Invalid escan result (NULL pointer)\n");
e756af5b
HM		 3061 goto exit;
3062 }
e756af5b 3063 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
57d6e91a
AS		 3064 brcmf_err("Invalid bss_count %d: ignoring\n",
3065 escan_result_le->bss_count);
e756af5b
HM		 3066 goto exit;
3067 }
3068 bss_info_le = &escan_result_le->bss_info_le;
3069
6eda4e2c
HM		 3070 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
3071 goto exit;
3072
3073 if (!cfg->scan_request) {
3074 brcmf_dbg(SCAN, "result without cfg80211 request\n");
3075 goto exit;
3076 }
3077
e756af5b
HM		 3078 bi_length = le32_to_cpu(bss_info_le->length);
3079 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
3080 WL_ESCAN_RESULTS_FIXED_SIZE)) {
57d6e91a
AS		 3081 brcmf_err("Invalid bss_info length %d: ignoring\n",
3082 bi_length);
e756af5b
HM		 3083 goto exit;
3084 }
3085
27a68fe3 3086 if (!(cfg_to_wiphy(cfg)->interface_modes &
e756af5b
HM		 3087 BIT(NL80211_IFTYPE_ADHOC))) {
3088 if (le16_to_cpu(bss_info_le->capability) &
3089 WLAN_CAPABILITY_IBSS) {
57d6e91a 3090 brcmf_err("Ignoring IBSS result\n");
e756af5b
HM		 3091 goto exit;
3092 }
3093 }
3094
3095 list = (struct brcmf_scan_results *)
27a68fe3 3096 cfg->escan_info.escan_buf;
d5367334 3097 if (bi_length > BRCMF_ESCAN_BUF_SIZE - list->buflen) {
57d6e91a 3098 brcmf_err("Buffer is too small: ignoring\n");
e756af5b
HM		 3099 goto exit;
3100 }
3101
3102 for (i = 0; i < list->count; i++) {
3103 bss = bss ? (struct brcmf_bss_info_le *)
3104 ((unsigned char *)bss +
3105 le32_to_cpu(bss->length)) : list->bss_info_le;
83cf17aa
FL		 3106 if (brcmf_compare_update_same_bss(cfg, bss,
3107 bss_info_le))
e756af5b
HM		 3108 goto exit;
3109 }
d5367334
HM		 3110 memcpy(&cfg->escan_info.escan_buf[list->buflen], bss_info_le,
3111 bi_length);
e756af5b
HM		 3112 list->version = le32_to_cpu(bss_info_le->version);
3113 list->buflen += bi_length;
3114 list->count++;
3115 } else {
27a68fe3 3116 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
6eda4e2c
HM		 3117 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
3118 goto exit;
27a68fe3 3119 if (cfg->scan_request) {
27a68fe3 3120 brcmf_inform_bss(cfg);
97ed15c7 3121 aborted = status != BRCMF_E_STATUS_SUCCESS;
ef8596e1 3122 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
e756af5b 3123 } else
6eda4e2c
HM		 3124 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
3125 status);
e756af5b
HM		 3126 }
3127exit:
12f32370 3128 return 0;
e756af5b
HM		 3129}
3130
27a68fe3 3131static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
e756af5b 3132{
5c36b99a
AS		 3133 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
3134 brcmf_cfg80211_escan_handler);
f0799895
HM		 3135 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
3136 /* Init scan_timeout timer */
3137 init_timer(&cfg->escan_timeout);
3138 cfg->escan_timeout.data = (unsigned long) cfg;
3139 cfg->escan_timeout.function = brcmf_escan_timeout;
3140 INIT_WORK(&cfg->escan_timeout_work,
3141 brcmf_cfg80211_escan_timeout_worker);
e756af5b
HM		 3142}
3143
5419f7f1
HM		 3144/* PFN result doesn't have all the info which are required by the supplicant
3145 * (For e.g IEs) Do a target Escan so that sched scan results are reported
3146 * via wl_inform_single_bss in the required format. Escan does require the
3147 * scan request in the form of cfg80211_scan_request. For timebeing, create
3148 * cfg80211_scan_request one out of the received PNO event.
3149 */
3021ad9a 3150static s32
5419f7f1
HM		 3151brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
3152 const struct brcmf_event_msg *e, void *data)
3021ad9a
HM		 3153{
3154 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5419f7f1
HM		 3155 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3156 struct cfg80211_scan_request *request = NULL;
3157 struct cfg80211_ssid *ssid = NULL;
3158 struct ieee80211_channel *channel = NULL;
3159 struct wiphy *wiphy = cfg_to_wiphy(cfg);
3160 int err = 0;
3161 int channel_req = 0;
3162 int band = 0;
3021ad9a 3163 struct brcmf_pno_scanresults_le *pfn_result;
5419f7f1
HM		 3164 u32 result_count;
3165 u32 status;
3021ad9a
HM		 3166
3167 brcmf_dbg(SCAN, "Enter\n");
3168
0aedbcaf
HM		 3169 if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) {
3170 brcmf_dbg(SCAN, "Event data to small. Ignore\n");
3171 return 0;
3172 }
3173
3021ad9a 3174 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
5419f7f1 3175 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
3021ad9a
HM		 3176 return 0;
3177 }
3178
5419f7f1
HM		 3179 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3180 result_count = le32_to_cpu(pfn_result->count);
3181 status = le32_to_cpu(pfn_result->status);
3021ad9a 3182
5419f7f1
HM		 3183 /* PFN event is limited to fit 512 bytes so we may get
3184 * multiple NET_FOUND events. For now place a warning here.
3185 */
3186 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
3187 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
3188 if (result_count > 0) {
3189 int i;
3021ad9a 3190
5419f7f1
HM		 3191 request = kzalloc(sizeof(*request), GFP_KERNEL);
3192 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3193 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
3194 if (!request || !ssid || !channel) {
3195 err = -ENOMEM;
3196 goto out_err;
3197 }
3021ad9a 3198
5419f7f1
HM		 3199 request->wiphy = wiphy;
3200 data += sizeof(struct brcmf_pno_scanresults_le);
3201 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3021ad9a 3202
5419f7f1
HM		 3203 for (i = 0; i < result_count; i++) {
3204 netinfo = &netinfo_start[i];
3205 if (!netinfo) {
3206 brcmf_err("Invalid netinfo ptr. index: %d\n",
3207 i);
3208 err = -EINVAL;
3209 goto out_err;
3210 }
aeb64225 3211
5419f7f1
HM		 3212 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3213 netinfo->SSID, netinfo->channel);
3214 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3215 ssid[i].ssid_len = netinfo->SSID_len;
3216 request->n_ssids++;
aeb64225 3217
5419f7f1
HM		 3218 channel_req = netinfo->channel;
3219 if (channel_req <= CH_MAX_2G_CHANNEL)
3220 band = NL80211_BAND_2GHZ;
3221 else
3222 band = NL80211_BAND_5GHZ;
3223 channel[i].center_freq =
3224 ieee80211_channel_to_frequency(channel_req,
3225 band);
3226 channel[i].band = band;
3227 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3228 request->channels[i] = &channel[i];
3229 request->n_channels++;
3230 }
aeb64225 3231
5419f7f1
HM		 3232 /* assign parsed ssid array */
3233 if (request->n_ssids)
3234 request->ssids = &ssid[0];
aeb64225 3235
5419f7f1
HM		 3236 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3237 /* Abort any on-going scan */
3238 brcmf_abort_scanning(cfg);
aeb64225 3239 }
5419f7f1
HM		 3240
3241 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3242 cfg->escan_info.run = brcmf_run_escan;
3243 err = brcmf_do_escan(cfg, wiphy, ifp, request);
3244 if (err) {
3245 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3246 goto out_err;
3021ad9a 3247 }
5419f7f1
HM		 3248 cfg->sched_escan = true;
3249 cfg->scan_request = request;
aeb64225 3250 } else {
5419f7f1
HM		 3251 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
3252 goto out_err;
aeb64225 3253 }
aeb64225 3254
5419f7f1
HM		 3255 kfree(ssid);
3256 kfree(channel);
3257 kfree(request);
3258 return 0;
aeb64225 3259
5419f7f1
HM		 3260out_err:
3261 kfree(ssid);
3262 kfree(channel);
3263 kfree(request);
3264 cfg80211_sched_scan_stopped(wiphy);
3265 return err;
aeb64225
HM		 3266}
3267
5419f7f1 3268static int brcmf_dev_pno_clean(struct net_device *ndev)
5b435de0 3269{
5419f7f1 3270 int ret;
4eb3af7c 3271
5419f7f1
HM		 3272 /* Disable pfn */
3273 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
3274 if (ret == 0) {
3275 /* clear pfn */
3276 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3277 NULL, 0);
3278 }
3279 if (ret < 0)
3280 brcmf_err("failed code %d\n", ret);
5b435de0 3281
5419f7f1
HM		 3282 return ret;
3283}
3284
3285static int brcmf_dev_pno_config(struct brcmf_if *ifp,
3286 struct cfg80211_sched_scan_request *request)
3287{
3288 struct brcmf_pno_param_le pfn_param;
3289 struct brcmf_pno_macaddr_le pfn_mac;
3290 s32 err;
3291 u8 *mac_mask;
3292 int i;
3293
3294 memset(&pfn_param, 0, sizeof(pfn_param));
3295 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3296
3297 /* set extra pno params */
3298 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3299 pfn_param.repeat = BRCMF_PNO_REPEAT;
3300 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3301
3302 /* set up pno scan fr */
3303 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3304
3305 err = brcmf_fil_iovar_data_set(ifp, "pfn_set", &pfn_param,
3306 sizeof(pfn_param));
3307 if (err) {
3308 brcmf_err("pfn_set failed, err=%d\n", err);
3309 return err;
3310 }
3311
3312 /* Find out if mac randomization should be turned on */
3313 if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR))
3314 return 0;
3315
3316 pfn_mac.version = BRCMF_PFN_MACADDR_CFG_VER;
3317 pfn_mac.flags = BRCMF_PFN_MAC_OUI_ONLY | BRCMF_PFN_SET_MAC_UNASSOC;
3318
3319 memcpy(pfn_mac.mac, request->mac_addr, ETH_ALEN);
3320 mac_mask = request->mac_addr_mask;
3321 for (i = 0; i < ETH_ALEN; i++) {
3322 pfn_mac.mac[i] &= mac_mask[i];
3323 pfn_mac.mac[i] |= get_random_int() & ~(mac_mask[i]);
3324 }
3325 /* Clear multi bit */
3326 pfn_mac.mac[0] &= 0xFE;
3327 /* Set locally administered */
3328 pfn_mac.mac[0] |= 0x02;
3329
3330 err = brcmf_fil_iovar_data_set(ifp, "pfn_macaddr", &pfn_mac,
3331 sizeof(pfn_mac));
3332 if (err)
3333 brcmf_err("pfn_macaddr failed, err=%d\n", err);
3334
3335 return err;
3336}
3337
3338static int
3339brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3340 struct net_device *ndev,
3341 struct cfg80211_sched_scan_request *request)
3342{
3343 struct brcmf_if *ifp = netdev_priv(ndev);
3344 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
3345 struct brcmf_pno_net_param_le pfn;
3346 int i;
3347 int ret = 0;
3348
3349 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
3350 request->n_match_sets, request->n_ssids);
3351 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3352 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
3353 return -EAGAIN;
3354 }
3355 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3356 brcmf_err("Scanning suppressed: status (%lu)\n",
3357 cfg->scan_status);
3358 return -EAGAIN;
3359 }
3360
3361 if (!request->n_ssids || !request->n_match_sets) {
3362 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
3363 request->n_ssids);
3364 return -EINVAL;
3365 }
3366
3367 if (request->n_ssids > 0) {
3368 for (i = 0; i < request->n_ssids; i++) {
3369 /* Active scan req for ssids */
3370 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3371 request->ssids[i].ssid);
3372
3373 /* match_set ssids is a supert set of n_ssid list,
3374 * so we need not add these set separately.
3375 */
3376 }
3377 }
3378
3379 if (request->n_match_sets > 0) {
3380 /* clean up everything */
3381 ret = brcmf_dev_pno_clean(ndev);
3382 if (ret < 0) {
3383 brcmf_err("failed error=%d\n", ret);
3384 return ret;
3385 }
3386
3387 /* configure pno */
3388 if (brcmf_dev_pno_config(ifp, request))
3389 return -EINVAL;
3390
3391 /* configure each match set */
3392 for (i = 0; i < request->n_match_sets; i++) {
3393 struct cfg80211_ssid *ssid;
3394 u32 ssid_len;
3395
3396 ssid = &request->match_sets[i].ssid;
3397 ssid_len = ssid->ssid_len;
3398
3399 if (!ssid_len) {
3400 brcmf_err("skip broadcast ssid\n");
3401 continue;
3402 }
3403 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3404 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3405 pfn.wsec = cpu_to_le32(0);
3406 pfn.infra = cpu_to_le32(1);
3407 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3408 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3409 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
3410 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
3411 sizeof(pfn));
3412 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3413 ret == 0 ? "set" : "failed", ssid->ssid);
3414 }
3415 /* Enable the PNO */
3416 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
3417 brcmf_err("PNO enable failed!! ret=%d\n", ret);
3418 return -EINVAL;
3419 }
3420 } else {
3421 return -EINVAL;
3422 }
3423
3424 return 0;
3425}
3426
3427static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3428 struct net_device *ndev)
3429{
3430 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3431
3432 brcmf_dbg(SCAN, "enter\n");
3433 brcmf_dev_pno_clean(ndev);
3434 if (cfg->sched_escan)
3435 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
3436 return 0;
3437}
3438
3439static __always_inline void brcmf_delay(u32 ms)
3440{
3441 if (ms < 1000 / HZ) {
3442 cond_resched();
3443 mdelay(ms);
3444 } else {
3445 msleep(ms);
3446 }
3447}
3448
3449static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
3450 u8 *pattern, u32 patternsize, u8 *mask,
3451 u32 packet_offset)
3452{
3453 struct brcmf_fil_wowl_pattern_le *filter;
3454 u32 masksize;
3455 u32 patternoffset;
3456 u8 *buf;
3457 u32 bufsize;
3458 s32 ret;
3459
3460 masksize = (patternsize + 7) / 8;
3461 patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
3462
3463 bufsize = sizeof(*filter) + patternsize + masksize;
3464 buf = kzalloc(bufsize, GFP_KERNEL);
3465 if (!buf)
3466 return -ENOMEM;
3467 filter = (struct brcmf_fil_wowl_pattern_le *)buf;
3468
3469 memcpy(filter->cmd, cmd, 4);
3470 filter->masksize = cpu_to_le32(masksize);
3471 filter->offset = cpu_to_le32(packet_offset);
3472 filter->patternoffset = cpu_to_le32(patternoffset);
3473 filter->patternsize = cpu_to_le32(patternsize);
3474 filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
3475
3476 if ((mask) && (masksize))
3477 memcpy(buf + sizeof(*filter), mask, masksize);
3478 if ((pattern) && (patternsize))
3479 memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
3480
3481 ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
3482
3483 kfree(buf);
3484 return ret;
3485}
3486
3487static s32
3488brcmf_wowl_nd_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e,
3489 void *data)
3490{
3491 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3492 struct brcmf_pno_scanresults_le *pfn_result;
3493 struct brcmf_pno_net_info_le *netinfo;
3494
3495 brcmf_dbg(SCAN, "Enter\n");
3496
0aedbcaf
HM		 3497 if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) {
3498 brcmf_dbg(SCAN, "Event data to small. Ignore\n");
3499 return 0;
3500 }
3501
5419f7f1
HM		 3502 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3503
3504 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
3505 brcmf_dbg(SCAN, "PFN NET LOST event. Ignore\n");
3506 return 0;
3507 }
3508
3509 if (le32_to_cpu(pfn_result->count) < 1) {
3510 brcmf_err("Invalid result count, expected 1 (%d)\n",
3511 le32_to_cpu(pfn_result->count));
3512 return -EINVAL;
3513 }
3514
3515 data += sizeof(struct brcmf_pno_scanresults_le);
3516 netinfo = (struct brcmf_pno_net_info_le *)data;
3517 memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len);
3518 cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len;
3519 cfg->wowl.nd->n_channels = 1;
3520 cfg->wowl.nd->channels[0] =
3521 ieee80211_channel_to_frequency(netinfo->channel,
3522 netinfo->channel <= CH_MAX_2G_CHANNEL ?
3523 NL80211_BAND_2GHZ : NL80211_BAND_5GHZ);
3524 cfg->wowl.nd_info->n_matches = 1;
3525 cfg->wowl.nd_info->matches[0] = cfg->wowl.nd;
3526
3527 /* Inform (the resume task) that the net detect information was recvd */
3528 cfg->wowl.nd_data_completed = true;
3529 wake_up(&cfg->wowl.nd_data_wait);
3530
3531 return 0;
3532}
3533
3534#ifdef CONFIG_PM
3535
3536static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp)
3537{
3538 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3539 struct brcmf_wowl_wakeind_le wake_ind_le;
3540 struct cfg80211_wowlan_wakeup wakeup_data;
3541 struct cfg80211_wowlan_wakeup *wakeup;
3542 u32 wakeind;
3543 s32 err;
3544 int timeout;
3545
3546 err = brcmf_fil_iovar_data_get(ifp, "wowl_wakeind", &wake_ind_le,
3547 sizeof(wake_ind_le));
3548 if (err) {
3549 brcmf_err("Get wowl_wakeind failed, err = %d\n", err);
3550 return;
3551 }
3552
3553 wakeind = le32_to_cpu(wake_ind_le.ucode_wakeind);
3554 if (wakeind & (BRCMF_WOWL_MAGIC | BRCMF_WOWL_DIS | BRCMF_WOWL_BCN |
3555 BRCMF_WOWL_RETR | BRCMF_WOWL_NET |
3556 BRCMF_WOWL_PFN_FOUND)) {
3557 wakeup = &wakeup_data;
3558 memset(&wakeup_data, 0, sizeof(wakeup_data));
3559 wakeup_data.pattern_idx = -1;
3560
3561 if (wakeind & BRCMF_WOWL_MAGIC) {
3562 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_MAGIC\n");
3563 wakeup_data.magic_pkt = true;
3564 }
3565 if (wakeind & BRCMF_WOWL_DIS) {
3566 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_DIS\n");
3567 wakeup_data.disconnect = true;
3568 }
3569 if (wakeind & BRCMF_WOWL_BCN) {
3570 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_BCN\n");
3571 wakeup_data.disconnect = true;
3572 }
3573 if (wakeind & BRCMF_WOWL_RETR) {
3574 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_RETR\n");
3575 wakeup_data.disconnect = true;
3576 }
3577 if (wakeind & BRCMF_WOWL_NET) {
3578 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_NET\n");
3579 /* For now always map to pattern 0, no API to get
3580 * correct information available at the moment.
3581 */
3582 wakeup_data.pattern_idx = 0;
3583 }
3584 if (wakeind & BRCMF_WOWL_PFN_FOUND) {
3585 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_PFN_FOUND\n");
3586 timeout = wait_event_timeout(cfg->wowl.nd_data_wait,
3587 cfg->wowl.nd_data_completed,
3588 BRCMF_ND_INFO_TIMEOUT);
3589 if (!timeout)
3590 brcmf_err("No result for wowl net detect\n");
3591 else
3592 wakeup_data.net_detect = cfg->wowl.nd_info;
3593 }
5c22fb85
HM		 3594 if (wakeind & BRCMF_WOWL_GTK_FAILURE) {
3595 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_GTK_FAILURE\n");
3596 wakeup_data.gtk_rekey_failure = true;
3597 }
5419f7f1
HM		 3598 } else {
3599 wakeup = NULL;
3600 }
3601 cfg80211_report_wowlan_wakeup(&ifp->vif->wdev, wakeup, GFP_KERNEL);
3602}
3603
3604#else
3605
3606static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp)
3607{
3608}
3609
3610#endif /* CONFIG_PM */
3611
3612static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
3613{
3614 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3615 struct net_device *ndev = cfg_to_ndev(cfg);
3616 struct brcmf_if *ifp = netdev_priv(ndev);
3617
3618 brcmf_dbg(TRACE, "Enter\n");
3619
3620 if (cfg->wowl.active) {
3621 brcmf_report_wowl_wakeind(wiphy, ifp);
3622 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
3623 brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
73ef9e64
HM		 3624 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND))
3625 brcmf_configure_arp_nd_offload(ifp, true);
4eb3af7c 3626 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
3021ad9a
HM		 3627 cfg->wowl.pre_pmmode);
3628 cfg->wowl.active = false;
3629 if (cfg->wowl.nd_enabled) {
3630 brcmf_cfg80211_sched_scan_stop(cfg->wiphy, ifp->ndev);
3631 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND);
3632 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
3633 brcmf_notify_sched_scan_results);
3634 cfg->wowl.nd_enabled = false;
3635 }
4eb3af7c 3636 }
5b435de0
AS		 3637 return 0;
3638}
3639
4eb3af7c
HM		 3640static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
3641 struct brcmf_if *ifp,
3642 struct cfg80211_wowlan *wowl)
3643{
3644 u32 wowl_config;
b9a82f89 3645 u32 i;
4eb3af7c
HM		 3646
3647 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
3648
73ef9e64
HM		 3649 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND))
3650 brcmf_configure_arp_nd_offload(ifp, false);
3021ad9a 3651 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->wowl.pre_pmmode);
4eb3af7c
HM		 3652 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
3653
3654 wowl_config = 0;
3655 if (wowl->disconnect)
b9a82f89 3656 wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
4eb3af7c 3657 if (wowl->magic_pkt)
b9a82f89
HM		 3658 wowl_config |= BRCMF_WOWL_MAGIC;
3659 if ((wowl->patterns) && (wowl->n_patterns)) {
3660 wowl_config |= BRCMF_WOWL_NET;
3661 for (i = 0; i < wowl->n_patterns; i++) {
3662 brcmf_config_wowl_pattern(ifp, "add",
3663 (u8 *)wowl->patterns[i].pattern,
3664 wowl->patterns[i].pattern_len,
3665 (u8 *)wowl->patterns[i].mask,
3666 wowl->patterns[i].pkt_offset);
3667 }
3668 }
3021ad9a
HM		 3669 if (wowl->nd_config) {
3670 brcmf_cfg80211_sched_scan_start(cfg->wiphy, ifp->ndev,
3671 wowl->nd_config);
3672 wowl_config |= BRCMF_WOWL_PFN_FOUND;
3673
3674 cfg->wowl.nd_data_completed = false;
3675 cfg->wowl.nd_enabled = true;
3676 /* Now reroute the event for PFN to the wowl function. */
3677 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND);
3678 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
3679 brcmf_wowl_nd_results);
3680 }
5c22fb85
HM		 3681 if (wowl->gtk_rekey_failure)
3682 wowl_config |= BRCMF_WOWL_GTK_FAILURE;
3021ad9a
HM		 3683 if (!test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
3684 wowl_config |= BRCMF_WOWL_UNASSOC;
3685
28b285a6
HM		 3686 brcmf_fil_iovar_data_set(ifp, "wowl_wakeind", "clear",
3687 sizeof(struct brcmf_wowl_wakeind_le));
4eb3af7c
HM		 3688 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
3689 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
3690 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
3021ad9a 3691 cfg->wowl.active = true;
4eb3af7c
HM		 3692}
3693
5b435de0 3694static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
4eb3af7c 3695 struct cfg80211_wowlan *wowl)
5b435de0 3696{
27a68fe3
AS		 3697 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3698 struct net_device *ndev = cfg_to_ndev(cfg);
4eb3af7c 3699 struct brcmf_if *ifp = netdev_priv(ndev);
7d641072 3700 struct brcmf_cfg80211_vif *vif;
5b435de0 3701
d96b801f 3702 brcmf_dbg(TRACE, "Enter\n");
5b435de0 3703
4eb3af7c 3704 /* if the primary net_device is not READY there is nothing
7d641072 3705 * we can do but pray resume goes smoothly.
5b435de0 3706 */
4eb3af7c 3707 if (!check_vif_up(ifp->vif))
7d641072 3708 goto exit;
5b435de0 3709
3021ad9a
HM		 3710 /* Stop scheduled scan */
3711 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO))
3712 brcmf_cfg80211_sched_scan_stop(wiphy, ndev);
3713
7d641072
AS		 3714 /* end any scanning */
3715 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
27a68fe3 3716 brcmf_abort_scanning(cfg);
5b435de0 3717
4eb3af7c
HM		 3718 if (wowl == NULL) {
3719 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
3720 list_for_each_entry(vif, &cfg->vif_list, list) {
3721 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
3722 continue;
3723 /* While going to suspend if associated with AP
3724 * disassociate from AP to save power while system is
3725 * in suspended state
3726 */
9b7a0ddc 3727 brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED);
4eb3af7c
HM		 3728 /* Make sure WPA_Supplicant receives all the event
3729 * generated due to DISASSOC call to the fw to keep
5419f7f1
HM		 3730 * the state fw and WPA_Supplicant state consistent
3731 */
3732 brcmf_delay(500);
e5806072 3733 }
5419f7f1
HM		 3734 /* Configure MPC */
3735 brcmf_set_mpc(ifp, 1);
e5806072 3736
e5806072 3737 } else {
5419f7f1
HM		 3738 /* Configure WOWL paramaters */
3739 brcmf_configure_wowl(cfg, ifp, wowl);
e5806072
AS		 3740 }
3741
5419f7f1
HM		 3742exit:
3743 brcmf_dbg(TRACE, "Exit\n");
3744 /* clear any scanning activity */
3745 cfg->scan_status = 0;
e5806072 3746 return 0;
e5806072
AS		 3747}
3748
5419f7f1
HM		 3749static __used s32
3750brcmf_update_pmklist(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp)
e5806072 3751{
5419f7f1 3752 struct brcmf_pmk_list_le *pmk_list;
48ed16e8 3753 int i;
5419f7f1
HM		 3754 u32 npmk;
3755 s32 err;
e5806072 3756
5419f7f1
HM		 3757 pmk_list = &cfg->pmk_list;
3758 npmk = le32_to_cpu(pmk_list->npmk);
48ed16e8 3759
5419f7f1
HM		 3760 brcmf_dbg(CONN, "No of elements %d\n", npmk);
3761 for (i = 0; i < npmk; i++)
3762 brcmf_dbg(CONN, "PMK[%d]: %pM\n", i, &pmk_list->pmk[i].bssid);
48ed16e8 3763
5419f7f1
HM		 3764 err = brcmf_fil_iovar_data_set(ifp, "pmkid_info", pmk_list,
3765 sizeof(*pmk_list));
48ed16e8
HM		 3766
3767 return err;
e5806072
AS		 3768}
3769
5419f7f1
HM		 3770static s32
3771brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3772 struct cfg80211_pmksa *pmksa)
e5806072 3773{
5419f7f1 3774 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
c1179033 3775 struct brcmf_if *ifp = netdev_priv(ndev);
5419f7f1
HM		 3776 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
3777 s32 err;
3778 u32 npmk, i;
e5806072 3779
5419f7f1
HM		 3780 brcmf_dbg(TRACE, "Enter\n");
3781 if (!check_vif_up(ifp->vif))
3782 return -EIO;
e5806072 3783
5419f7f1
HM		 3784 npmk = le32_to_cpu(cfg->pmk_list.npmk);
3785 for (i = 0; i < npmk; i++)
3786 if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN))
3787 break;
3788 if (i < BRCMF_MAXPMKID) {
3789 memcpy(pmk[i].bssid, pmksa->bssid, ETH_ALEN);
3790 memcpy(pmk[i].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
3791 if (i == npmk) {
3792 npmk++;
3793 cfg->pmk_list.npmk = cpu_to_le32(npmk);
3794 }
3795 } else {
3796 brcmf_err("Too many PMKSA entries cached %d\n", npmk);
e5806072
AS		 3797 return -EINVAL;
3798 }
3799
5419f7f1
HM		 3800 brcmf_dbg(CONN, "set_pmksa - PMK bssid: %pM =\n", pmk[npmk].bssid);
3801 for (i = 0; i < WLAN_PMKID_LEN; i += 4)
3802 brcmf_dbg(CONN, "%02x %02x %02x %02x\n", pmk[npmk].pmkid[i],
3803 pmk[npmk].pmkid[i + 1], pmk[npmk].pmkid[i + 2],
3804 pmk[npmk].pmkid[i + 3]);
e5806072 3805
5419f7f1 3806 err = brcmf_update_pmklist(cfg, ifp);
e5806072 3807
5419f7f1
HM		 3808 brcmf_dbg(TRACE, "Exit\n");
3809 return err;
3810}
e5806072 3811
5419f7f1
HM		 3812static s32
3813brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3814 struct cfg80211_pmksa *pmksa)
3815{
3816 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3817 struct brcmf_if *ifp = netdev_priv(ndev);
3818 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
3819 s32 err;
3820 u32 npmk, i;
e5806072 3821
5419f7f1
HM		 3822 brcmf_dbg(TRACE, "Enter\n");
3823 if (!check_vif_up(ifp->vif))
3824 return -EIO;
e5806072 3825
5419f7f1 3826 brcmf_dbg(CONN, "del_pmksa - PMK bssid = %pM\n", &pmksa->bssid);
e5806072 3827
5419f7f1
HM		 3828 npmk = le32_to_cpu(cfg->pmk_list.npmk);
3829 for (i = 0; i < npmk; i++)
3830 if (!memcmp(&pmksa->bssid, &pmk[i].bssid, ETH_ALEN))
3831 break;
3832
3833 if ((npmk > 0) && (i < npmk)) {
3834 for (; i < (npmk - 1); i++) {
3835 memcpy(&pmk[i].bssid, &pmk[i + 1].bssid, ETH_ALEN);
3836 memcpy(&pmk[i].pmkid, &pmk[i + 1].pmkid,
3837 WLAN_PMKID_LEN);
e5806072 3838 }
5419f7f1
HM		 3839 memset(&pmk[i], 0, sizeof(*pmk));
3840 cfg->pmk_list.npmk = cpu_to_le32(npmk - 1);
e5806072 3841 } else {
5419f7f1 3842 brcmf_err("Cache entry not found\n");
e5806072
AS		 3843 return -EINVAL;
3844 }
3845
5419f7f1
HM		 3846 err = brcmf_update_pmklist(cfg, ifp);
3847
3848 brcmf_dbg(TRACE, "Exit\n");
3849 return err;
3850
e5806072
AS		 3851}
3852
5419f7f1
HM		 3853static s32
3854brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
e5806072 3855{
27a68fe3 3856 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
5419f7f1
HM		 3857 struct brcmf_if *ifp = netdev_priv(ndev);
3858 s32 err;
3859
3860 brcmf_dbg(TRACE, "Enter\n");
3861 if (!check_vif_up(ifp->vif))
3862 return -EIO;
3863
3864 memset(&cfg->pmk_list, 0, sizeof(cfg->pmk_list));
3865 err = brcmf_update_pmklist(cfg, ifp);
3866
3867 brcmf_dbg(TRACE, "Exit\n");
3868 return err;
e5806072 3869
e5806072 3870}
e5806072 3871
1f170110 3872static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
1a873342
HM		 3873{
3874 s32 err;
3875
3876 /* set auth */
ac24be6f 3877 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
1a873342 3878 if (err < 0) {
57d6e91a 3879 brcmf_err("auth error %d\n", err);
1a873342
HM		 3880 return err;
3881 }
3882 /* set wsec */
ac24be6f 3883 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
1a873342 3884 if (err < 0) {
57d6e91a 3885 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3886 return err;
3887 }
3888 /* set upper-layer auth */
ac24be6f 3889 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
1a873342 3890 if (err < 0) {
57d6e91a 3891 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3892 return err;
3893 }
3894
3895 return 0;
3896}
3897
3898static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3899{
3900 if (is_rsn_ie)
3901 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3902
3903 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3904}
3905
3906static s32
a44aa400 3907brcmf_configure_wpaie(struct brcmf_if *ifp,
4b5800fe
JB		 3908 const struct brcmf_vs_tlv *wpa_ie,
3909 bool is_rsn_ie)
1a873342
HM		 3910{
3911 u32 auth = 0; /* d11 open authentication */
3912 u16 count;
3913 s32 err = 0;
240d61a9 3914 s32 len;
1a873342
HM		 3915 u32 i;
3916 u32 wsec;
3917 u32 pval = 0;
3918 u32 gval = 0;
3919 u32 wpa_auth = 0;
3920 u32 offset;
3921 u8 *data;
3922 u16 rsn_cap;
3923 u32 wme_bss_disable;
240d61a9 3924 u32 mfp;
1a873342 3925
d96b801f 3926 brcmf_dbg(TRACE, "Enter\n");
1a873342
HM		 3927 if (wpa_ie == NULL)
3928 goto exit;
3929
3930 len = wpa_ie->len + TLV_HDR_LEN;
3931 data = (u8 *)wpa_ie;
619c5a9a 3932 offset = TLV_HDR_LEN;
1a873342
HM		 3933 if (!is_rsn_ie)
3934 offset += VS_IE_FIXED_HDR_LEN;
619c5a9a
HM		 3935 else
3936 offset += WPA_IE_VERSION_LEN;
1a873342
HM		 3937
3938 /* check for multicast cipher suite */
3939 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3940 err = -EINVAL;
57d6e91a 3941 brcmf_err("no multicast cipher suite\n");
1a873342
HM		 3942 goto exit;
3943 }
3944
3945 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3946 err = -EINVAL;
57d6e91a 3947 brcmf_err("ivalid OUI\n");
1a873342
HM		 3948 goto exit;
3949 }
3950 offset += TLV_OUI_LEN;
3951
3952 /* pick up multicast cipher */
3953 switch (data[offset]) {
3954 case WPA_CIPHER_NONE:
3955 gval = 0;
3956 break;
3957 case WPA_CIPHER_WEP_40:
3958 case WPA_CIPHER_WEP_104:
3959 gval = WEP_ENABLED;
3960 break;
3961 case WPA_CIPHER_TKIP:
3962 gval = TKIP_ENABLED;
3963 break;
3964 case WPA_CIPHER_AES_CCM:
3965 gval = AES_ENABLED;
3966 break;
3967 default:
3968 err = -EINVAL;
57d6e91a 3969 brcmf_err("Invalid multi cast cipher info\n");
1a873342
HM		 3970 goto exit;
3971 }
3972
3973 offset++;
3974 /* walk thru unicast cipher list and pick up what we recognize */
3975 count = data[offset] + (data[offset + 1] << 8);
3976 offset += WPA_IE_SUITE_COUNT_LEN;
3977 /* Check for unicast suite(s) */
3978 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3979 err = -EINVAL;
57d6e91a 3980 brcmf_err("no unicast cipher suite\n");
1a873342
HM		 3981 goto exit;
3982 }
3983 for (i = 0; i < count; i++) {
3984 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3985 err = -EINVAL;
57d6e91a 3986 brcmf_err("ivalid OUI\n");
1a873342
HM		 3987 goto exit;
3988 }
3989 offset += TLV_OUI_LEN;
3990 switch (data[offset]) {
3991 case WPA_CIPHER_NONE:
3992 break;
3993 case WPA_CIPHER_WEP_40:
3994 case WPA_CIPHER_WEP_104:
3995 pval |= WEP_ENABLED;
3996 break;
3997 case WPA_CIPHER_TKIP:
3998 pval |= TKIP_ENABLED;
3999 break;
4000 case WPA_CIPHER_AES_CCM:
4001 pval |= AES_ENABLED;
4002 break;
4003 default:
57d6e91a 4004 brcmf_err("Ivalid unicast security info\n");
1a873342
HM		 4005 }
4006 offset++;
4007 }
4008 /* walk thru auth management suite list and pick up what we recognize */
4009 count = data[offset] + (data[offset + 1] << 8);
4010 offset += WPA_IE_SUITE_COUNT_LEN;
4011 /* Check for auth key management suite(s) */
4012 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
4013 err = -EINVAL;
57d6e91a 4014 brcmf_err("no auth key mgmt suite\n");
1a873342
HM		 4015 goto exit;
4016 }
4017 for (i = 0; i < count; i++) {
4018 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
4019 err = -EINVAL;
57d6e91a 4020 brcmf_err("ivalid OUI\n");
1a873342
HM		 4021 goto exit;
4022 }
4023 offset += TLV_OUI_LEN;
4024 switch (data[offset]) {
4025 case RSN_AKM_NONE:
d96b801f 4026 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
1a873342
HM		 4027 wpa_auth |= WPA_AUTH_NONE;
4028 break;
4029 case RSN_AKM_UNSPECIFIED:
d96b801f 4030 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
1a873342
HM		 4031 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
4032 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
4033 break;
4034 case RSN_AKM_PSK:
d96b801f 4035 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
1a873342
HM		 4036 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
4037 (wpa_auth |= WPA_AUTH_PSK);
4038 break;
240d61a9
HM		 4039 case RSN_AKM_SHA256_PSK:
4040 brcmf_dbg(TRACE, "RSN_AKM_MFP_PSK\n");
4041 wpa_auth |= WPA2_AUTH_PSK_SHA256;
4042 break;
4043 case RSN_AKM_SHA256_1X:
4044 brcmf_dbg(TRACE, "RSN_AKM_MFP_1X\n");
4045 wpa_auth |= WPA2_AUTH_1X_SHA256;
4046 break;
1a873342 4047 default:
57d6e91a 4048 brcmf_err("Ivalid key mgmt info\n");
1a873342
HM		 4049 }
4050 offset++;
4051 }
4052
240d61a9 4053 mfp = BRCMF_MFP_NONE;
1a873342
HM		 4054 if (is_rsn_ie) {
4055 wme_bss_disable = 1;
4056 if ((offset + RSN_CAP_LEN) <= len) {
4057 rsn_cap = data[offset] + (data[offset + 1] << 8);
4058 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
4059 wme_bss_disable = 0;
240d61a9
HM		 4060 if (rsn_cap & RSN_CAP_MFPR_MASK) {
4061 brcmf_dbg(TRACE, "MFP Required\n");
4062 mfp = BRCMF_MFP_REQUIRED;
4063 /* Firmware only supports mfp required in
4064 * combination with WPA2_AUTH_PSK_SHA256 or
4065 * WPA2_AUTH_1X_SHA256.
4066 */
4067 if (!(wpa_auth & (WPA2_AUTH_PSK_SHA256 |
4068 WPA2_AUTH_1X_SHA256))) {
4069 err = -EINVAL;
4070 goto exit;
4071 }
4072 /* Firmware has requirement that WPA2_AUTH_PSK/
4073 * WPA2_AUTH_UNSPECIFIED be set, if SHA256 OUI
4074 * is to be included in the rsn ie.
4075 */
4076 if (wpa_auth & WPA2_AUTH_PSK_SHA256)
4077 wpa_auth |= WPA2_AUTH_PSK;
4078 else if (wpa_auth & WPA2_AUTH_1X_SHA256)
4079 wpa_auth |= WPA2_AUTH_UNSPECIFIED;
4080 } else if (rsn_cap & RSN_CAP_MFPC_MASK) {
4081 brcmf_dbg(TRACE, "MFP Capable\n");
4082 mfp = BRCMF_MFP_CAPABLE;
4083 }
1a873342 4084 }
240d61a9 4085 offset += RSN_CAP_LEN;
1a873342 4086 /* set wme_bss_disable to sync RSN Capabilities */
ac24be6f 4087 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
81f5dcb8 4088 wme_bss_disable);
1a873342 4089 if (err < 0) {
57d6e91a 4090 brcmf_err("wme_bss_disable error %d\n", err);
1a873342
HM		 4091 goto exit;
4092 }
240d61a9
HM		 4093
4094 /* Skip PMKID cnt as it is know to be 0 for AP. */
4095 offset += RSN_PMKID_COUNT_LEN;
4096
4097 /* See if there is BIP wpa suite left for MFP */
4098 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP) &&
4099 ((offset + WPA_IE_MIN_OUI_LEN) <= len)) {
4100 err = brcmf_fil_bsscfg_data_set(ifp, "bip",
4101 &data[offset],
4102 WPA_IE_MIN_OUI_LEN);
4103 if (err < 0) {
4104 brcmf_err("bip error %d\n", err);
4105 goto exit;
4106 }
4107 }
1a873342
HM		 4108 }
4109 /* FOR WPS , set SES_OW_ENABLED */
4110 wsec = (pval | gval | SES_OW_ENABLED);
4111
4112 /* set auth */
ac24be6f 4113 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
1a873342 4114 if (err < 0) {
57d6e91a 4115 brcmf_err("auth error %d\n", err);
1a873342
HM		 4116 goto exit;
4117 }
4118 /* set wsec */
ac24be6f 4119 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
1a873342 4120 if (err < 0) {
57d6e91a 4121 brcmf_err("wsec error %d\n", err);
1a873342
HM		 4122 goto exit;
4123 }
240d61a9
HM		 4124 /* Configure MFP, this needs to go after wsec otherwise the wsec command
4125 * will overwrite the values set by MFP
4126 */
4127 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) {
4128 err = brcmf_fil_bsscfg_int_set(ifp, "mfp", mfp);
4129 if (err < 0) {
4130 brcmf_err("mfp error %d\n", err);
4131 goto exit;
4132 }
4133 }
1a873342 4134 /* set upper-layer auth */
ac24be6f 4135 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
1a873342 4136 if (err < 0) {
57d6e91a 4137 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 4138 goto exit;
4139 }
4140
4141exit:
4142 return err;
4143}
4144
4145static s32
3082b9be 4146brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
1a873342
HM		 4147 struct parsed_vndr_ies *vndr_ies)
4148{
1a873342
HM		 4149 struct brcmf_vs_tlv *vndrie;
4150 struct brcmf_tlv *ie;
4151 struct parsed_vndr_ie_info *parsed_info;
4152 s32 remaining_len;
4153
4154 remaining_len = (s32)vndr_ie_len;
4155 memset(vndr_ies, 0, sizeof(*vndr_ies));
4156
4157 ie = (struct brcmf_tlv *)vndr_ie_buf;
4158 while (ie) {
4159 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
4160 goto next;
4161 vndrie = (struct brcmf_vs_tlv *)ie;
4162 /* len should be bigger than OUI length + one */
4163 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
57d6e91a
AS		 4164 brcmf_err("invalid vndr ie. length is too small %d\n",
4165 vndrie->len);
1a873342
HM		 4166 goto next;
4167 }
4168 /* if wpa or wme ie, do not add ie */
4169 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
4170 ((vndrie->oui_type == WPA_OUI_TYPE) ||
4171 (vndrie->oui_type == WME_OUI_TYPE))) {
d96b801f 4172 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
1a873342
HM		 4173 goto next;
4174 }
4175
4176 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
4177
4178 /* save vndr ie information */
4179 parsed_info->ie_ptr = (char *)vndrie;
4180 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
4181 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
4182
4183 vndr_ies->count++;
4184
d96b801f
AS		 4185 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
4186 parsed_info->vndrie.oui[0],
4187 parsed_info->vndrie.oui[1],
4188 parsed_info->vndrie.oui[2],
4189 parsed_info->vndrie.oui_type);
1a873342 4190
9f440b7b 4191 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
1a873342
HM		 4192 break;
4193next:
b41fc3d7
HM		 4194 remaining_len -= (ie->len + TLV_HDR_LEN);
4195 if (remaining_len <= TLV_HDR_LEN)
1a873342
HM		 4196 ie = NULL;
4197 else
b41fc3d7
HM		 4198 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
4199 TLV_HDR_LEN);
1a873342 4200 }
12f32370 4201 return 0;
1a873342
HM		 4202}
4203
4204static u32
4205brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
4206{
4207
1a873342
HM		 4208 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
4209 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
4210
362126cd 4211 put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]);
1a873342 4212
362126cd 4213 put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]);
1a873342
HM		 4214
4215 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
4216
4217 return ie_len + VNDR_IE_HDR_SIZE;
4218}
4219
1332e26e
AS		 4220s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
4221 const u8 *vndr_ie_buf, u32 vndr_ie_len)
1a873342 4222{
1332e26e
AS		 4223 struct brcmf_if *ifp;
4224 struct vif_saved_ie *saved_ie;
1a873342
HM		 4225 s32 err = 0;
4226 u8 *iovar_ie_buf;
4227 u8 *curr_ie_buf;
4228 u8 *mgmt_ie_buf = NULL;
3e4f319d 4229 int mgmt_ie_buf_len;
81118d16 4230 u32 *mgmt_ie_len;
1a873342
HM		 4231 u32 del_add_ie_buf_len = 0;
4232 u32 total_ie_buf_len = 0;
4233 u32 parsed_ie_buf_len = 0;
4234 struct parsed_vndr_ies old_vndr_ies;
4235 struct parsed_vndr_ies new_vndr_ies;
4236 struct parsed_vndr_ie_info *vndrie_info;
4237 s32 i;
4238 u8 *ptr;
3e4f319d 4239 int remained_buf_len;
1a873342 4240
1332e26e
AS		 4241 if (!vif)
4242 return -ENODEV;
4243 ifp = vif->ifp;
4244 saved_ie = &vif->saved_ie;
4245
37a869ec
HM		 4246 brcmf_dbg(TRACE, "bsscfgidx %d, pktflag : 0x%02X\n", ifp->bsscfgidx,
4247 pktflag);
1a873342
HM		 4248 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
4249 if (!iovar_ie_buf)
4250 return -ENOMEM;
4251 curr_ie_buf = iovar_ie_buf;
89286dc9
HM		 4252 switch (pktflag) {
4253 case BRCMF_VNDR_IE_PRBREQ_FLAG:
4254 mgmt_ie_buf = saved_ie->probe_req_ie;
4255 mgmt_ie_len = &saved_ie->probe_req_ie_len;
4256 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
4257 break;
4258 case BRCMF_VNDR_IE_PRBRSP_FLAG:
4259 mgmt_ie_buf = saved_ie->probe_res_ie;
4260 mgmt_ie_len = &saved_ie->probe_res_ie_len;
4261 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
4262 break;
4263 case BRCMF_VNDR_IE_BEACON_FLAG:
4264 mgmt_ie_buf = saved_ie->beacon_ie;
4265 mgmt_ie_len = &saved_ie->beacon_ie_len;
4266 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
4267 break;
4268 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
4269 mgmt_ie_buf = saved_ie->assoc_req_ie;
4270 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
4271 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
4272 break;
4273 default:
4274 err = -EPERM;
4275 brcmf_err("not suitable type\n");
4276 goto exit;
1a873342
HM		 4277 }
4278
4279 if (vndr_ie_len > mgmt_ie_buf_len) {
4280 err = -ENOMEM;
57d6e91a 4281 brcmf_err("extra IE size too big\n");
1a873342
HM		 4282 goto exit;
4283 }
4284
4285 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
4286 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
4287 ptr = curr_ie_buf;
4288 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
4289 for (i = 0; i < new_vndr_ies.count; i++) {
4290 vndrie_info = &new_vndr_ies.ie_info[i];
4291 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
4292 vndrie_info->ie_len);
4293 parsed_ie_buf_len += vndrie_info->ie_len;
4294 }
4295 }
4296
b41fc3d7 4297 if (mgmt_ie_buf && *mgmt_ie_len) {
1a873342
HM		 4298 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
4299 (memcmp(mgmt_ie_buf, curr_ie_buf,
4300 parsed_ie_buf_len) == 0)) {
d96b801f 4301 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
1a873342
HM		 4302 goto exit;
4303 }
4304
4305 /* parse old vndr_ie */
4306 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
4307
4308 /* make a command to delete old ie */
4309 for (i = 0; i < old_vndr_ies.count; i++) {
4310 vndrie_info = &old_vndr_ies.ie_info[i];
4311
d96b801f
AS		 4312 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
4313 vndrie_info->vndrie.id,
4314 vndrie_info->vndrie.len,
4315 vndrie_info->vndrie.oui[0],
4316 vndrie_info->vndrie.oui[1],
4317 vndrie_info->vndrie.oui[2]);
1a873342
HM		 4318
4319 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
4320 vndrie_info->ie_ptr,
4321 vndrie_info->ie_len,
4322 "del");
4323 curr_ie_buf += del_add_ie_buf_len;
4324 total_ie_buf_len += del_add_ie_buf_len;
4325 }
4326 }
4327
4328 *mgmt_ie_len = 0;
4329 /* Add if there is any extra IE */
4330 if (mgmt_ie_buf && parsed_ie_buf_len) {
4331 ptr = mgmt_ie_buf;
4332
4333 remained_buf_len = mgmt_ie_buf_len;
4334
4335 /* make a command to add new ie */
4336 for (i = 0; i < new_vndr_ies.count; i++) {
4337 vndrie_info = &new_vndr_ies.ie_info[i];
4338
b41fc3d7
HM		 4339 /* verify remained buf size before copy data */
4340 if (remained_buf_len < (vndrie_info->vndrie.len +
4341 VNDR_IE_VSIE_OFFSET)) {
57d6e91a
AS		 4342 brcmf_err("no space in mgmt_ie_buf: len left %d",
4343 remained_buf_len);
b41fc3d7
HM		 4344 break;
4345 }
4346 remained_buf_len -= (vndrie_info->ie_len +
4347 VNDR_IE_VSIE_OFFSET);
4348
d96b801f
AS		 4349 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
4350 vndrie_info->vndrie.id,
4351 vndrie_info->vndrie.len,
4352 vndrie_info->vndrie.oui[0],
4353 vndrie_info->vndrie.oui[1],
4354 vndrie_info->vndrie.oui[2]);
1a873342
HM		 4355
4356 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
4357 vndrie_info->ie_ptr,
4358 vndrie_info->ie_len,
4359 "add");
1a873342
HM		 4360
4361 /* save the parsed IE in wl struct */
4362 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
4363 vndrie_info->ie_len);
4364 *mgmt_ie_len += vndrie_info->ie_len;
4365
4366 curr_ie_buf += del_add_ie_buf_len;
4367 total_ie_buf_len += del_add_ie_buf_len;
4368 }
4369 }
4370 if (total_ie_buf_len) {
c1179033 4371 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
81f5dcb8 4372 total_ie_buf_len);
1a873342 4373 if (err)
57d6e91a 4374 brcmf_err("vndr ie set error : %d\n", err);
1a873342
HM		 4375 }
4376
4377exit:
4378 kfree(iovar_ie_buf);
4379 return err;
4380}
4381
5f4f9f11
AS		 4382s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
4383{
4384 s32 pktflags[] = {
4385 BRCMF_VNDR_IE_PRBREQ_FLAG,
4386 BRCMF_VNDR_IE_PRBRSP_FLAG,
4387 BRCMF_VNDR_IE_BEACON_FLAG
4388 };
4389 int i;
4390
4391 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
4392 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
4393
4394 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
4395 return 0;
4396}
4397
a0f07959
HM		 4398static s32
4399brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
4400 struct cfg80211_beacon_data *beacon)
4401{
4402 s32 err;
4403
4404 /* Set Beacon IEs to FW */
4405 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
4406 beacon->tail, beacon->tail_len);
4407 if (err) {
4408 brcmf_err("Set Beacon IE Failed\n");
4409 return err;
4410 }
4411 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
4412
4413 /* Set Probe Response IEs to FW */
4414 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
4415 beacon->proberesp_ies,
4416 beacon->proberesp_ies_len);
4417 if (err)
4418 brcmf_err("Set Probe Resp IE Failed\n");
4419 else
4420 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
4421
4422 return err;
4423}
4424
1a873342
HM		 4425static s32
4426brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
4427 struct cfg80211_ap_settings *settings)
4428{
4429 s32 ie_offset;
1c9d30cf 4430 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
ac24be6f 4431 struct brcmf_if *ifp = netdev_priv(ndev);
4b5800fe 4432 const struct brcmf_tlv *ssid_ie;
98027769 4433 const struct brcmf_tlv *country_ie;
1a873342 4434 struct brcmf_ssid_le ssid_le;
1a873342 4435 s32 err = -EPERM;
4b5800fe
JB		 4436 const struct brcmf_tlv *rsn_ie;
4437 const struct brcmf_vs_tlv *wpa_ie;
1a873342 4438 struct brcmf_join_params join_params;
a0f07959
HM		 4439 enum nl80211_iftype dev_role;
4440 struct brcmf_fil_bss_enable_le bss_enable;
06c01585 4441 u16 chanspec;
a44aa400 4442 bool mbss;
98027769 4443 int is_11d;
1a873342 4444
06c01585
AS		 4445 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
4446 settings->chandef.chan->hw_value,
4447 settings->chandef.center_freq1, settings->chandef.width,
a9a56878 4448 settings->beacon_interval, settings->dtim_period);
d96b801f
AS		 4449 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
4450 settings->ssid, settings->ssid_len, settings->auth_type,
4451 settings->inactivity_timeout);
426d0a56 4452 dev_role = ifp->vif->wdev.iftype;
a44aa400 4453 mbss = ifp->vif->mbss;
1a873342 4454
98027769
AS		 4455 /* store current 11d setting */
4456 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d);
4457 country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4458 settings->beacon.tail_len,
4459 WLAN_EID_COUNTRY);
4460 is_11d = country_ie ? 1 : 0;
4461
1a873342
HM		 4462 memset(&ssid_le, 0, sizeof(ssid_le));
4463 if (settings->ssid == NULL || settings->ssid_len == 0) {
4464 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
4465 ssid_ie = brcmf_parse_tlvs(
4466 (u8 *)&settings->beacon.head[ie_offset],
4467 settings->beacon.head_len - ie_offset,
4468 WLAN_EID_SSID);
4469 if (!ssid_ie)
4470 return -EINVAL;
4471
4472 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
4473 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
d96b801f 4474 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
1a873342
HM		 4475 } else {
4476 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
4477 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
4478 }
4479
a44aa400
HM		 4480 if (!mbss) {
4481 brcmf_set_mpc(ifp, 0);
52f22fb2 4482 brcmf_configure_arp_nd_offload(ifp, false);
a44aa400 4483 }
1a873342
HM		 4484
4485 /* find the RSN_IE */
4486 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4487 settings->beacon.tail_len, WLAN_EID_RSN);
4488
4489 /* find the WPA_IE */
4490 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
4491 settings->beacon.tail_len);
4492
1a873342 4493 if ((wpa_ie != NULL || rsn_ie != NULL)) {
d96b801f 4494 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
1a873342
HM		 4495 if (wpa_ie != NULL) {
4496 /* WPA IE */
a44aa400 4497 err = brcmf_configure_wpaie(ifp, wpa_ie, false);
1a873342
HM		 4498 if (err < 0)
4499 goto exit;
1a873342 4500 } else {
a44aa400
HM		 4501 struct brcmf_vs_tlv *tmp_ie;
4502
4503 tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
4504
1a873342 4505 /* RSN IE */
a44aa400 4506 err = brcmf_configure_wpaie(ifp, tmp_ie, true);
1a873342
HM		 4507 if (err < 0)
4508 goto exit;
1a873342 4509 }
1a873342 4510 } else {
d96b801f 4511 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
1f170110 4512 brcmf_configure_opensecurity(ifp);
1a873342 4513 }
1a873342 4514
a0f07959 4515 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
1a873342 4516
a44aa400
HM		 4517 if (!mbss) {
4518 chanspec = chandef_to_chanspec(&cfg->d11inf,
4519 &settings->chandef);
4520 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
1a873342 4521 if (err < 0) {
a44aa400
HM		 4522 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4523 chanspec, err);
1a873342
HM		 4524 goto exit;
4525 }
a44aa400 4526
98027769
AS		 4527 if (is_11d != ifp->vif->is_11d) {
4528 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4529 is_11d);
4530 if (err < 0) {
4531 brcmf_err("Regulatory Set Error, %d\n", err);
4532 goto exit;
4533 }
4534 }
a44aa400
HM		 4535 if (settings->beacon_interval) {
4536 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
4537 settings->beacon_interval);
4538 if (err < 0) {
4539 brcmf_err("Beacon Interval Set Error, %d\n",
4540 err);
4541 goto exit;
4542 }
4543 }
4544 if (settings->dtim_period) {
4545 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
4546 settings->dtim_period);
4547 if (err < 0) {
4548 brcmf_err("DTIM Interval Set Error, %d\n", err);
4549 goto exit;
4550 }
1a873342 4551 }
a0f07959 4552
8abffd81
HM		 4553 if ((dev_role == NL80211_IFTYPE_AP) &&
4554 ((ifp->ifidx == 0) ||
4555 !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) {
a44aa400
HM		 4556 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4557 if (err < 0) {
4558 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4559 goto exit;
4560 }
4561 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
4562 }
4563
4564 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
a0f07959 4565 if (err < 0) {
a44aa400 4566 brcmf_err("SET INFRA error %d\n", err);
a0f07959
HM		 4567 goto exit;
4568 }
98027769
AS		 4569 } else if (WARN_ON(is_11d != ifp->vif->is_11d)) {
4570 /* Multiple-BSS should use same 11d configuration */
4571 err = -EINVAL;
4572 goto exit;
1a873342 4573 }
a0f07959 4574 if (dev_role == NL80211_IFTYPE_AP) {
a44aa400
HM		 4575 if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
4576 brcmf_fil_iovar_int_set(ifp, "mbss", 1);
4577
a0f07959
HM		 4578 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
4579 if (err < 0) {
4580 brcmf_err("setting AP mode failed %d\n", err);
4581 goto exit;
4582 }
4583 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4584 if (err < 0) {
4585 brcmf_err("BRCMF_C_UP error (%d)\n", err);
4586 goto exit;
4587 }
118eb304
HM		 4588 /* On DOWN the firmware removes the WEP keys, reconfigure
4589 * them if they were set.
4590 */
4591 brcmf_cfg80211_reconfigure_wep(ifp);
a0f07959
HM		 4592
4593 memset(&join_params, 0, sizeof(join_params));
4594 /* join parameters starts with ssid */
4595 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
4596 /* create softap */
4597 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4598 &join_params, sizeof(join_params));
4599 if (err < 0) {
4600 brcmf_err("SET SSID error (%d)\n", err);
4601 goto exit;
4602 }
4603 brcmf_dbg(TRACE, "AP mode configuration complete\n");
4604 } else {
4605 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
4606 sizeof(ssid_le));
4607 if (err < 0) {
4608 brcmf_err("setting ssid failed %d\n", err);
4609 goto exit;
4610 }
37a869ec 4611 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx);
a0f07959
HM		 4612 bss_enable.enable = cpu_to_le32(1);
4613 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4614 sizeof(bss_enable));
4615 if (err < 0) {
4616 brcmf_err("bss_enable config failed %d\n", err);
4617 goto exit;
4618 }
4619
4620 brcmf_dbg(TRACE, "GO mode configuration complete\n");
4621 }
c1179033 4622 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
92121e69 4623 brcmf_net_setcarrier(ifp, true);
1a873342
HM		 4624
4625exit:
a44aa400 4626 if ((err) && (!mbss)) {
f96aa07e 4627 brcmf_set_mpc(ifp, 1);
52f22fb2 4628 brcmf_configure_arp_nd_offload(ifp, true);
b3657453 4629 }
1a873342
HM		 4630 return err;
4631}
4632
4633static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
4634{
c1179033 4635 struct brcmf_if *ifp = netdev_priv(ndev);
5c33a942 4636 s32 err;
426d0a56 4637 struct brcmf_fil_bss_enable_le bss_enable;
5c33a942 4638 struct brcmf_join_params join_params;
1a873342 4639
d96b801f 4640 brcmf_dbg(TRACE, "Enter\n");
1a873342 4641
426d0a56 4642 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
1a873342
HM		 4643 /* Due to most likely deauths outstanding we sleep */
4644 /* first to make sure they get processed by fw. */
4645 msleep(400);
5c33a942 4646
a44aa400
HM		 4647 if (ifp->vif->mbss) {
4648 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4649 return err;
4650 }
4651
5c33a942
HM		 4652 memset(&join_params, 0, sizeof(join_params));
4653 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4654 &join_params, sizeof(join_params));
4655 if (err < 0)
4656 brcmf_err("SET SSID error (%d)\n", err);
a44aa400 4657 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
5c33a942 4658 if (err < 0)
a44aa400 4659 brcmf_err("BRCMF_C_DOWN error %d\n", err);
5c33a942
HM		 4660 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
4661 if (err < 0)
4662 brcmf_err("setting AP mode failed %d\n", err);
4663 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
4664 if (err < 0)
4665 brcmf_err("setting INFRA mode failed %d\n", err);
a44aa400
HM		 4666 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
4667 brcmf_fil_iovar_int_set(ifp, "mbss", 0);
98027769
AS		 4668 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4669 ifp->vif->is_11d);
4670 if (err < 0)
4671 brcmf_err("restoring REGULATORY setting failed %d\n",
4672 err);
a44aa400
HM		 4673 /* Bring device back up so it can be used again */
4674 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4675 if (err < 0)
4676 brcmf_err("BRCMF_C_UP error %d\n", err);
426d0a56 4677 } else {
37a869ec 4678 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx);
426d0a56
HM		 4679 bss_enable.enable = cpu_to_le32(0);
4680 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4681 sizeof(bss_enable));
4682 if (err < 0)
4683 brcmf_err("bss_enable config failed %d\n", err);
1a873342 4684 }
f96aa07e 4685 brcmf_set_mpc(ifp, 1);
52f22fb2 4686 brcmf_configure_arp_nd_offload(ifp, true);
426d0a56 4687 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
92121e69 4688 brcmf_net_setcarrier(ifp, false);
426d0a56 4689
1a873342
HM		 4690 return err;
4691}
4692
a0f07959
HM		 4693static s32
4694brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
4695 struct cfg80211_beacon_data *info)
4696{
a0f07959
HM		 4697 struct brcmf_if *ifp = netdev_priv(ndev);
4698 s32 err;
4699
4700 brcmf_dbg(TRACE, "Enter\n");
4701
a0f07959
HM		 4702 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
4703
4704 return err;
4705}
4706
1a873342
HM		 4707static int
4708brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
89c771e5 4709 struct station_del_parameters *params)
1a873342 4710{
a0f07959 4711 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1a873342 4712 struct brcmf_scb_val_le scbval;
0abb5f21 4713 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 4714 s32 err;
4715
89c771e5 4716 if (!params->mac)
1a873342
HM		 4717 return -EFAULT;
4718
89c771e5 4719 brcmf_dbg(TRACE, "Enter %pM\n", params->mac);
1a873342 4720
a0f07959
HM		 4721 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4722 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
ce81e317 4723 if (!check_vif_up(ifp->vif))
1a873342
HM		 4724 return -EIO;
4725
89c771e5 4726 memcpy(&scbval.ea, params->mac, ETH_ALEN);
ba8b6ae6 4727 scbval.val = cpu_to_le32(params->reason_code);
0abb5f21 4728 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
81f5dcb8 4729 &scbval, sizeof(scbval));
1a873342 4730 if (err)
57d6e91a 4731 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
7ab6acd0 4732
d96b801f 4733 brcmf_dbg(TRACE, "Exit\n");
1a873342
HM		 4734 return err;
4735}
4736
6b89dcb3
HM		 4737static int
4738brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev,
4739 const u8 *mac, struct station_parameters *params)
4740{
4741 struct brcmf_if *ifp = netdev_priv(ndev);
4742 s32 err;
4743
4744 brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac,
4745 params->sta_flags_mask, params->sta_flags_set);
4746
4747 /* Ignore all 00 MAC */
4748 if (is_zero_ether_addr(mac))
4749 return 0;
4750
4751 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4752 return 0;
4753
4754 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4755 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE,
4756 (void *)mac, ETH_ALEN);
4757 else
4758 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE,
4759 (void *)mac, ETH_ALEN);
4760 if (err < 0)
4761 brcmf_err("Setting SCB (de-)authorize failed, %d\n", err);
4762
4763 return err;
4764}
0de8aace
HM		 4765
4766static void
4767brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4768 struct wireless_dev *wdev,
4769 u16 frame_type, bool reg)
4770{
7fa2e352 4771 struct brcmf_cfg80211_vif *vif;
0de8aace
HM		 4772 u16 mgmt_type;
4773
4774 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4775
4776 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
7fa2e352 4777 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
0de8aace
HM		 4778 if (reg)
4779 vif->mgmt_rx_reg |= BIT(mgmt_type);
4780 else
318a64ce 4781 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
0de8aace
HM		 4782}
4783
4784
4785static int
4786brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 4787 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
0de8aace
HM		 4788{
4789 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
b176e629
AO		 4790 struct ieee80211_channel *chan = params->chan;
4791 const u8 *buf = params->buf;
4792 size_t len = params->len;
0de8aace
HM		 4793 const struct ieee80211_mgmt *mgmt;
4794 struct brcmf_cfg80211_vif *vif;
4795 s32 err = 0;
4796 s32 ie_offset;
4797 s32 ie_len;
18e2f61d
HM		 4798 struct brcmf_fil_action_frame_le *action_frame;
4799 struct brcmf_fil_af_params_le *af_params;
4800 bool ack;
4801 s32 chan_nr;
c2ff8cad 4802 u32 freq;
0de8aace
HM		 4803
4804 brcmf_dbg(TRACE, "Enter\n");
4805
4806 *cookie = 0;
4807
4808 mgmt = (const struct ieee80211_mgmt *)buf;
4809
a0f07959
HM		 4810 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4811 brcmf_err("Driver only allows MGMT packet type\n");
4812 return -EPERM;
4813 }
0de8aace 4814
c2ff8cad
AQ		 4815 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4816
a0f07959
HM		 4817 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4818 /* Right now the only reason to get a probe response */
4819 /* is for p2p listen response or for p2p GO from */
4820 /* wpa_supplicant. Unfortunately the probe is send */
4821 /* on primary ndev, while dongle wants it on the p2p */
4822 /* vif. Since this is only reason for a probe */
4823 /* response to be sent, the vif is taken from cfg. */
4824 /* If ever desired to send proberesp for non p2p */
4825 /* response then data should be checked for */
4826 /* "DIRECT-". Note in future supplicant will take */
4827 /* dedicated p2p wdev to do this and then this 'hack'*/
4828 /* is not needed anymore. */
4829 ie_offset = DOT11_MGMT_HDR_LEN +
4830 DOT11_BCN_PRB_FIXED_LEN;
4831 ie_len = len - ie_offset;
a0f07959 4832 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
0de8aace 4833 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
a0f07959
HM		 4834 err = brcmf_vif_set_mgmt_ie(vif,
4835 BRCMF_VNDR_IE_PRBRSP_FLAG,
4836 &buf[ie_offset],
4837 ie_len);
4838 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4839 GFP_KERNEL);
18e2f61d
HM		 4840 } else if (ieee80211_is_action(mgmt->frame_control)) {
4841 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4842 if (af_params == NULL) {
4843 brcmf_err("unable to allocate frame\n");
4844 err = -ENOMEM;
4845 goto exit;
4846 }
4847 action_frame = &af_params->action_frame;
4848 /* Add the packet Id */
4849 action_frame->packet_id = cpu_to_le32(*cookie);
4850 /* Add BSSID */
4851 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4852 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4853 /* Add the length exepted for 802.11 header */
4854 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
c2ff8cad
AQ		 4855 /* Add the channel. Use the one specified as parameter if any or
4856 * the current one (got from the firmware) otherwise
4857 */
4858 if (chan)
4859 freq = chan->center_freq;
4860 else
4861 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4862 &freq);
4863 chan_nr = ieee80211_frequency_to_channel(freq);
18e2f61d
HM		 4864 af_params->channel = cpu_to_le32(chan_nr);
4865
4866 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4867 le16_to_cpu(action_frame->len));
4868
4869 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
86a9c4a2 4870 *cookie, le16_to_cpu(action_frame->len), freq);
18e2f61d 4871
7fa2e352 4872 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
18e2f61d
HM		 4873 af_params);
4874
4875 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4876 GFP_KERNEL);
4877 kfree(af_params);
a0f07959
HM		 4878 } else {
4879 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4880 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
0de8aace 4881 }
a0f07959 4882
18e2f61d 4883exit:
0de8aace
HM		 4884 return err;
4885}
4886
4887
4888static int
4889brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4890 struct wireless_dev *wdev,
4891 u64 cookie)
4892{
4893 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4894 struct brcmf_cfg80211_vif *vif;
4895 int err = 0;
4896
4897 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4898
4899 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4900 if (vif == NULL) {
4901 brcmf_err("No p2p device available for probe response\n");
4902 err = -ENODEV;
4903 goto exit;
4904 }
4905 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4906exit:
4907 return err;
4908}
4909
61730d4d
PH		 4910static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4911 struct wireless_dev *wdev,
4912 enum nl80211_crit_proto_id proto,
4913 u16 duration)
4914{
4915 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4916 struct brcmf_cfg80211_vif *vif;
4917
4918 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4919
4920 /* only DHCP support for now */
4921 if (proto != NL80211_CRIT_PROTO_DHCP)
4922 return -EINVAL;
4923
4924 /* suppress and abort scanning */
4925 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4926 brcmf_abort_scanning(cfg);
4927
4928 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4929}
4930
4931static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4932 struct wireless_dev *wdev)
4933{
4934 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4935 struct brcmf_cfg80211_vif *vif;
4936
4937 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4938
4939 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4940 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4941}
4942
70b7d94b
HM		 4943static s32
4944brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4945 const struct brcmf_event_msg *e, void *data)
4946{
4947 switch (e->reason) {
4948 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
4949 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
4950 break;
4951 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
4952 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
4953 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4954 break;
4955 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
4956 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
4957 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4958 break;
4959 }
4960
4961 return 0;
4962}
4963
89c2f382
AS		 4964static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4965{
4966 int ret;
4967
4968 switch (oper) {
4969 case NL80211_TDLS_DISCOVERY_REQ:
4970 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4971 break;
4972 case NL80211_TDLS_SETUP:
4973 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4974 break;
4975 case NL80211_TDLS_TEARDOWN:
4976 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4977 break;
4978 default:
4979 brcmf_err("unsupported operation: %d\n", oper);
4980 ret = -EOPNOTSUPP;
4981 }
4982 return ret;
4983}
4984
4985static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
3b3a0162 4986 struct net_device *ndev, const u8 *peer,
89c2f382
AS		 4987 enum nl80211_tdls_operation oper)
4988{
4989 struct brcmf_if *ifp;
4990 struct brcmf_tdls_iovar_le info;
4991 int ret = 0;
4992
4993 ret = brcmf_convert_nl80211_tdls_oper(oper);
4994 if (ret < 0)
4995 return ret;
4996
4997 ifp = netdev_priv(ndev);
4998 memset(&info, 0, sizeof(info));
4999 info.mode = (u8)ret;
5000 if (peer)
5001 memcpy(info.ea, peer, ETH_ALEN);
5002
5003 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
5004 &info, sizeof(info));
5005 if (ret < 0)
5006 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
5007
5008 return ret;
5009}
5010
5c22fb85
HM		 5011#ifdef CONFIG_PM
5012static int
5013brcmf_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *ndev,
5014 struct cfg80211_gtk_rekey_data *gtk)
5015{
5016 struct brcmf_if *ifp = netdev_priv(ndev);
5017 struct brcmf_gtk_keyinfo_le gtk_le;
5018 int ret;
5019
5020 brcmf_dbg(TRACE, "Enter, bssidx=%d\n", ifp->bsscfgidx);
5021
5022 memcpy(gtk_le.kck, gtk->kck, sizeof(gtk_le.kck));
5023 memcpy(gtk_le.kek, gtk->kek, sizeof(gtk_le.kek));
5024 memcpy(gtk_le.replay_counter, gtk->replay_ctr,
5025 sizeof(gtk_le.replay_counter));
5026
5027 ret = brcmf_fil_iovar_data_set(ifp, "gtk_key_info", &gtk_le,
5028 sizeof(gtk_le));
5029 if (ret < 0)
5030 brcmf_err("gtk_key_info iovar failed: ret=%d\n", ret);
5031
5032 return ret;
5033}
5034#endif
5035
5036static struct cfg80211_ops brcmf_cfg80211_ops = {
9f440b7b
AS		 5037 .add_virtual_intf = brcmf_cfg80211_add_iface,
5038 .del_virtual_intf = brcmf_cfg80211_del_iface,
5b435de0
AS		 5039 .change_virtual_intf = brcmf_cfg80211_change_iface,
5040 .scan = brcmf_cfg80211_scan,
5041 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
5042 .join_ibss = brcmf_cfg80211_join_ibss,
5043 .leave_ibss = brcmf_cfg80211_leave_ibss,
5044 .get_station = brcmf_cfg80211_get_station,
bf2a7e04 5045 .dump_station = brcmf_cfg80211_dump_station,
5b435de0
AS		 5046 .set_tx_power = brcmf_cfg80211_set_tx_power,
5047 .get_tx_power = brcmf_cfg80211_get_tx_power,
5048 .add_key = brcmf_cfg80211_add_key,
5049 .del_key = brcmf_cfg80211_del_key,
5050 .get_key = brcmf_cfg80211_get_key,
5051 .set_default_key = brcmf_cfg80211_config_default_key,
5052 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
5053 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
5b435de0
AS		 5054 .connect = brcmf_cfg80211_connect,
5055 .disconnect = brcmf_cfg80211_disconnect,
5056 .suspend = brcmf_cfg80211_suspend,
5057 .resume = brcmf_cfg80211_resume,
5058 .set_pmksa = brcmf_cfg80211_set_pmksa,
5059 .del_pmksa = brcmf_cfg80211_del_pmksa,
cbaa177d 5060 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
1a873342
HM		 5061 .start_ap = brcmf_cfg80211_start_ap,
5062 .stop_ap = brcmf_cfg80211_stop_ap,
a0f07959 5063 .change_beacon = brcmf_cfg80211_change_beacon,
1a873342 5064 .del_station = brcmf_cfg80211_del_station,
6b89dcb3 5065 .change_station = brcmf_cfg80211_change_station,
e5806072
AS		 5066 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
5067 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
0de8aace
HM		 5068 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
5069 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
5070 .remain_on_channel = brcmf_p2p_remain_on_channel,
5071 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
27f10e38
AS		 5072 .start_p2p_device = brcmf_p2p_start_device,
5073 .stop_p2p_device = brcmf_p2p_stop_device,
61730d4d
PH		 5074 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
5075 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
89c2f382 5076 .tdls_oper = brcmf_cfg80211_tdls_oper,
5b435de0
AS		 5077};
5078
3eacf866 5079struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
9f440b7b
AS		 5080 enum nl80211_iftype type,
5081 bool pm_block)
3eacf866 5082{
a44aa400 5083 struct brcmf_cfg80211_vif *vif_walk;
3eacf866 5084 struct brcmf_cfg80211_vif *vif;
a44aa400 5085 bool mbss;
5b435de0 5086
33a6b157 5087 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
9f440b7b 5088 sizeof(*vif));
3eacf866
AS		 5089 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
5090 if (!vif)
5091 return ERR_PTR(-ENOMEM);
5092
5093 vif->wdev.wiphy = cfg->wiphy;
9f440b7b 5094 vif->wdev.iftype = type;
5b435de0 5095
3eacf866 5096 vif->pm_block = pm_block;
3eacf866 5097
6ac4f4ed
AS		 5098 brcmf_init_prof(&vif->profile);
5099
a44aa400
HM		 5100 if (type == NL80211_IFTYPE_AP) {
5101 mbss = false;
5102 list_for_each_entry(vif_walk, &cfg->vif_list, list) {
5103 if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) {
5104 mbss = true;
5105 break;
5106 }
5107 }
5108 vif->mbss = mbss;
5109 }
5110
3eacf866 5111 list_add_tail(&vif->list, &cfg->vif_list);
3eacf866 5112 return vif;
5b435de0
AS		 5113}
5114
427dec5f 5115void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5b435de0 5116{
3eacf866 5117 list_del(&vif->list);
3eacf866 5118 kfree(vif);
5b435de0
AS		 5119}
5120
9df4d542
AS		 5121void brcmf_cfg80211_free_netdev(struct net_device *ndev)
5122{
5123 struct brcmf_cfg80211_vif *vif;
5124 struct brcmf_if *ifp;
5125
5126 ifp = netdev_priv(ndev);
5127 vif = ifp->vif;
5128
95ef1239
AS		 5129 if (vif)
5130 brcmf_free_vif(vif);
9df4d542
AS		 5131 free_netdev(ndev);
5132}
5133
903e0eee 5134static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
5b435de0 5135{
5c36b99a
AS		 5136 u32 event = e->event_code;
5137 u32 status = e->status;
5b435de0
AS		 5138
5139 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
16886735 5140 brcmf_dbg(CONN, "Processing set ssid\n");
5b435de0
AS		 5141 return true;
5142 }
5143
5144 return false;
5145}
5146
903e0eee 5147static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
5b435de0 5148{
5c36b99a
AS		 5149 u32 event = e->event_code;
5150 u16 flags = e->flags;
5b435de0 5151
68ca395f
HM		 5152 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
5153 (event == BRCMF_E_DISASSOC_IND) ||
5154 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
16886735 5155 brcmf_dbg(CONN, "Processing link down\n");
5b435de0
AS		 5156 return true;
5157 }
5158 return false;
5159}
5160
27a68fe3 5161static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 5162 const struct brcmf_event_msg *e)
5163{
5c36b99a
AS		 5164 u32 event = e->event_code;
5165 u32 status = e->status;
5b435de0
AS		 5166
5167 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
16886735
AS		 5168 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
5169 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
5b435de0
AS		 5170 return true;
5171 }
5172
5173 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
16886735 5174 brcmf_dbg(CONN, "Processing connecting & no network found\n");
5b435de0
AS		 5175 return true;
5176 }
5177
5178 return false;
5179}
5180
27a68fe3 5181static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5b435de0 5182{
27a68fe3 5183 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 5184
5185 kfree(conn_info->req_ie);
5186 conn_info->req_ie = NULL;
5187 conn_info->req_ie_len = 0;
5188 kfree(conn_info->resp_ie);
5189 conn_info->resp_ie = NULL;
5190 conn_info->resp_ie_len = 0;
5191}
5192
89286dc9
HM		 5193static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
5194 struct brcmf_if *ifp)
5b435de0 5195{
c4e382d2 5196 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
27a68fe3 5197 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 5198 u32 req_len;
5199 u32 resp_len;
5200 s32 err = 0;
5201
27a68fe3 5202 brcmf_clear_assoc_ies(cfg);
5b435de0 5203
ac24be6f
AS		 5204 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
5205 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5b435de0 5206 if (err) {
57d6e91a 5207 brcmf_err("could not get assoc info (%d)\n", err);
5b435de0
AS		 5208 return err;
5209 }
c4e382d2 5210 assoc_info =
27a68fe3 5211 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
c4e382d2
AS		 5212 req_len = le32_to_cpu(assoc_info->req_len);
5213 resp_len = le32_to_cpu(assoc_info->resp_len);
5b435de0 5214 if (req_len) {
ac24be6f 5215 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
81f5dcb8
HM		 5216 cfg->extra_buf,
5217 WL_ASSOC_INFO_MAX);
5b435de0 5218 if (err) {
57d6e91a 5219 brcmf_err("could not get assoc req (%d)\n", err);
5b435de0
AS		 5220 return err;
5221 }
5222 conn_info->req_ie_len = req_len;
5223 conn_info->req_ie =
27a68fe3 5224 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5b435de0
AS		 5225 GFP_KERNEL);
5226 } else {
5227 conn_info->req_ie_len = 0;
5228 conn_info->req_ie = NULL;
5229 }
5230 if (resp_len) {
ac24be6f 5231 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
81f5dcb8
HM		 5232 cfg->extra_buf,
5233 WL_ASSOC_INFO_MAX);
5b435de0 5234 if (err) {
57d6e91a 5235 brcmf_err("could not get assoc resp (%d)\n", err);
5b435de0
AS		 5236 return err;
5237 }
5238 conn_info->resp_ie_len = resp_len;
5239 conn_info->resp_ie =
27a68fe3 5240 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5b435de0
AS		 5241 GFP_KERNEL);
5242 } else {
5243 conn_info->resp_ie_len = 0;
5244 conn_info->resp_ie = NULL;
5245 }
16886735
AS		 5246 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
5247 conn_info->req_ie_len, conn_info->resp_ie_len);
5b435de0
AS		 5248
5249 return err;
5250}
5251
5252static s32
27a68fe3 5253brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 5254 struct net_device *ndev,
5255 const struct brcmf_event_msg *e)
5256{
c1179033
AS		 5257 struct brcmf_if *ifp = netdev_priv(ndev);
5258 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3
AS		 5259 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5260 struct wiphy *wiphy = cfg_to_wiphy(cfg);
a180b83b 5261 struct ieee80211_channel *notify_channel = NULL;
5b435de0 5262 struct ieee80211_supported_band *band;
a180b83b 5263 struct brcmf_bss_info_le *bi;
83cf17aa 5264 struct brcmu_chan ch;
5b435de0
AS		 5265 u32 freq;
5266 s32 err = 0;
a180b83b 5267 u8 *buf;
5b435de0 5268
d96b801f 5269 brcmf_dbg(TRACE, "Enter\n");
5b435de0 5270
89286dc9 5271 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 5272 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9 5273 brcmf_update_bss_info(cfg, ifp);
5b435de0 5274
a180b83b
FL		 5275 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
5276 if (buf == NULL) {
5277 err = -ENOMEM;
5278 goto done;
5279 }
5280
5281 /* data sent to dongle has to be little endian */
5282 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
c1179033 5283 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
ac24be6f 5284 buf, WL_BSS_INFO_MAX);
a180b83b
FL		 5285
5286 if (err)
5287 goto done;
5b435de0 5288
a180b83b 5289 bi = (struct brcmf_bss_info_le *)(buf + 4);
83cf17aa
FL		 5290 ch.chspec = le16_to_cpu(bi->chanspec);
5291 cfg->d11inf.decchspec(&ch);
5b435de0 5292
83cf17aa 5293 if (ch.band == BRCMU_CHAN_BAND_2G)
57fbcce3 5294 band = wiphy->bands[NL80211_BAND_2GHZ];
5b435de0 5295 else
57fbcce3 5296 band = wiphy->bands[NL80211_BAND_5GHZ];
5b435de0 5297
83cf17aa 5298 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 5299 notify_channel = ieee80211_get_channel(wiphy, freq);
5300
a180b83b
FL		 5301done:
5302 kfree(buf);
06bb123e 5303 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
5b435de0
AS		 5304 conn_info->req_ie, conn_info->req_ie_len,
5305 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
16886735 5306 brcmf_dbg(CONN, "Report roaming result\n");
5b435de0 5307
c1179033 5308 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
d96b801f 5309 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 5310 return err;
5311}
5312
5313static s32
27a68fe3 5314brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 5315 struct net_device *ndev, const struct brcmf_event_msg *e,
5316 bool completed)
5317{
c1179033
AS		 5318 struct brcmf_if *ifp = netdev_priv(ndev);
5319 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3 5320 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0 5321
d96b801f 5322 brcmf_dbg(TRACE, "Enter\n");
5b435de0 5323
c1179033
AS		 5324 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5325 &ifp->vif->sme_state)) {
5b435de0 5326 if (completed) {
89286dc9 5327 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 5328 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9
HM		 5329 brcmf_update_bss_info(cfg, ifp);
5330 set_bit(BRCMF_VIF_STATUS_CONNECTED,
5331 &ifp->vif->sme_state);
5b435de0
AS		 5332 }
5333 cfg80211_connect_result(ndev,
06bb123e 5334 (u8 *)profile->bssid,
5b435de0
AS		 5335 conn_info->req_ie,
5336 conn_info->req_ie_len,
5337 conn_info->resp_ie,
5338 conn_info->resp_ie_len,
5339 completed ? WLAN_STATUS_SUCCESS :
5340 WLAN_STATUS_AUTH_TIMEOUT,
5341 GFP_KERNEL);
16886735
AS		 5342 brcmf_dbg(CONN, "Report connect result - connection %s\n",
5343 completed ? "succeeded" : "failed");
5b435de0 5344 }
d96b801f 5345 brcmf_dbg(TRACE, "Exit\n");
12f32370 5346 return 0;
5b435de0
AS		 5347}
5348
5349static s32
27a68fe3 5350brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
1a873342
HM		 5351 struct net_device *ndev,
5352 const struct brcmf_event_msg *e, void *data)
5353{
a44aa400 5354 struct brcmf_if *ifp = netdev_priv(ndev);
7ee29602 5355 static int generation;
5c36b99a
AS		 5356 u32 event = e->event_code;
5357 u32 reason = e->reason;
1a873342
HM		 5358 struct station_info sinfo;
5359
16886735 5360 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
5f4f9f11
AS		 5361 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
5362 ndev != cfg_to_ndev(cfg)) {
5363 brcmf_dbg(CONN, "AP mode link down\n");
5364 complete(&cfg->vif_disabled);
a44aa400 5365 if (ifp->vif->mbss)
ee6e3a34 5366 brcmf_remove_interface(ifp);
5f4f9f11
AS		 5367 return 0;
5368 }
1a873342 5369
1a873342 5370 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
7ee29602
HM		 5371 (reason == BRCMF_E_STATUS_SUCCESS)) {
5372 memset(&sinfo, 0, sizeof(sinfo));
1a873342 5373 if (!data) {
57d6e91a 5374 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
1a873342
HM		 5375 return -EINVAL;
5376 }
5377 sinfo.assoc_req_ies = data;
7ee29602 5378 sinfo.assoc_req_ies_len = e->datalen;
1a873342
HM		 5379 generation++;
5380 sinfo.generation = generation;
7ee29602 5381 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
1a873342
HM		 5382 } else if ((event == BRCMF_E_DISASSOC_IND) ||
5383 (event == BRCMF_E_DEAUTH_IND) ||
5384 (event == BRCMF_E_DEAUTH)) {
7ee29602 5385 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
1a873342 5386 }
7ee29602 5387 return 0;
1a873342
HM		 5388}
5389
5b435de0 5390static s32
1993732e 5391brcmf_notify_connect_status(struct brcmf_if *ifp,
5b435de0
AS		 5392 const struct brcmf_event_msg *e, void *data)
5393{
1993732e
AS		 5394 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5395 struct net_device *ndev = ifp->ndev;
c1179033 5396 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
fe94f3a4 5397 struct ieee80211_channel *chan;
5b435de0
AS		 5398 s32 err = 0;
5399
8851cce0
HM		 5400 if ((e->event_code == BRCMF_E_DEAUTH) ||
5401 (e->event_code == BRCMF_E_DEAUTH_IND) ||
5402 (e->event_code == BRCMF_E_DISASSOC_IND) ||
5403 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
5404 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
5405 }
5406
967fe2c8 5407 if (brcmf_is_apmode(ifp->vif)) {
27a68fe3 5408 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
903e0eee 5409 } else if (brcmf_is_linkup(e)) {
16886735 5410 brcmf_dbg(CONN, "Linkup\n");
128ce3b6 5411 if (brcmf_is_ibssmode(ifp->vif)) {
b0a79088 5412 brcmf_inform_ibss(cfg, ndev, e->addr);
fe94f3a4 5413 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
6c8c4f72 5414 memcpy(profile->bssid, e->addr, ETH_ALEN);
fe94f3a4 5415 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
c1179033
AS		 5416 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5417 &ifp->vif->sme_state);
5418 set_bit(BRCMF_VIF_STATUS_CONNECTED,
5419 &ifp->vif->sme_state);
5b435de0 5420 } else
27a68fe3 5421 brcmf_bss_connect_done(cfg, ndev, e, true);
92121e69 5422 brcmf_net_setcarrier(ifp, true);
903e0eee 5423 } else if (brcmf_is_linkdown(e)) {
16886735 5424 brcmf_dbg(CONN, "Linkdown\n");
128ce3b6 5425 if (!brcmf_is_ibssmode(ifp->vif)) {
27a68fe3 5426 brcmf_bss_connect_done(cfg, ndev, e, false);
42e0ed0d
HM		 5427 brcmf_link_down(ifp->vif,
5428 brcmf_map_fw_linkdown_reason(e));
5429 brcmf_init_prof(ndev_to_prof(ndev));
5430 if (ndev != cfg_to_ndev(cfg))
5431 complete(&cfg->vif_disabled);
5432 brcmf_net_setcarrier(ifp, false);
5b435de0 5433 }
27a68fe3 5434 } else if (brcmf_is_nonetwork(cfg, e)) {
128ce3b6 5435 if (brcmf_is_ibssmode(ifp->vif))
c1179033
AS		 5436 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5437 &ifp->vif->sme_state);
5b435de0 5438 else
27a68fe3 5439 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0
AS		 5440 }
5441
5442 return err;
5443}
5444
5445static s32
1993732e 5446brcmf_notify_roaming_status(struct brcmf_if *ifp,
5b435de0
AS		 5447 const struct brcmf_event_msg *e, void *data)
5448{
1993732e 5449 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5c36b99a
AS		 5450 u32 event = e->event_code;
5451 u32 status = e->status;
5b435de0
AS		 5452
5453 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
c1179033 5454 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
1993732e 5455 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
5b435de0 5456 else
1993732e 5457 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
5b435de0
AS		 5458 }
5459
12f32370 5460 return 0;
5b435de0
AS		 5461}
5462
5463static s32
1993732e 5464brcmf_notify_mic_status(struct brcmf_if *ifp,
5b435de0
AS		 5465 const struct brcmf_event_msg *e, void *data)
5466{
5c36b99a 5467 u16 flags = e->flags;
5b435de0
AS		 5468 enum nl80211_key_type key_type;
5469
5470 if (flags & BRCMF_EVENT_MSG_GROUP)
5471 key_type = NL80211_KEYTYPE_GROUP;
5472 else
5473 key_type = NL80211_KEYTYPE_PAIRWISE;
5474
1993732e 5475 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
5b435de0
AS		 5476 NULL, GFP_KERNEL);
5477
5478 return 0;
5479}
5480
d3c0b633
AS		 5481static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
5482 const struct brcmf_event_msg *e, void *data)
5483{
5484 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5485 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
5486 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5487 struct brcmf_cfg80211_vif *vif;
5488
37a869ec 5489 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfgidx %u\n",
d3c0b633 5490 ifevent->action, ifevent->flags, ifevent->ifidx,
37a869ec 5491 ifevent->bsscfgidx);
d3c0b633 5492
d3c0b633
AS		 5493 mutex_lock(&event->vif_event_lock);
5494 event->action = ifevent->action;
5495 vif = event->vif;
5496
5497 switch (ifevent->action) {
5498 case BRCMF_E_IF_ADD:
5499 /* waiting process may have timed out */
dc4a787c
WY		 5500 if (!cfg->vif_event.vif) {
5501 mutex_unlock(&event->vif_event_lock);
d3c0b633 5502 return -EBADF;
dc4a787c 5503 }
d3c0b633
AS		 5504
5505 ifp->vif = vif;
5506 vif->ifp = ifp;
01b8e7db
AS		 5507 if (ifp->ndev) {
5508 vif->wdev.netdev = ifp->ndev;
5509 ifp->ndev->ieee80211_ptr = &vif->wdev;
5510 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
5511 }
d3c0b633
AS		 5512 mutex_unlock(&event->vif_event_lock);
5513 wake_up(&event->vif_wq);
4b3a89de 5514 return 0;
d3c0b633
AS		 5515
5516 case BRCMF_E_IF_DEL:
d3c0b633
AS		 5517 mutex_unlock(&event->vif_event_lock);
5518 /* event may not be upon user request */
5519 if (brcmf_cfg80211_vif_event_armed(cfg))
5520 wake_up(&event->vif_wq);
5521 return 0;
5522
7a5c1f64
HM		 5523 case BRCMF_E_IF_CHANGE:
5524 mutex_unlock(&event->vif_event_lock);
5525 wake_up(&event->vif_wq);
5526 return 0;
5527
d3c0b633
AS		 5528 default:
5529 mutex_unlock(&event->vif_event_lock);
5530 break;
5531 }
5532 return -EINVAL;
5533}
5534
5b435de0
AS		 5535static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
5536{
5b435de0
AS		 5537 conf->frag_threshold = (u32)-1;
5538 conf->rts_threshold = (u32)-1;
5539 conf->retry_short = (u32)-1;
5540 conf->retry_long = (u32)-1;
5b435de0
AS		 5541}
5542
5c36b99a 5543static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5b435de0 5544{
5c36b99a
AS		 5545 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
5546 brcmf_notify_connect_status);
5547 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
5548 brcmf_notify_connect_status);
5549 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
5550 brcmf_notify_connect_status);
5551 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
5552 brcmf_notify_connect_status);
5553 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
5554 brcmf_notify_connect_status);
5555 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
5556 brcmf_notify_connect_status);
5557 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
5558 brcmf_notify_roaming_status);
5559 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
5560 brcmf_notify_mic_status);
5561 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
5562 brcmf_notify_connect_status);
5563 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
5564 brcmf_notify_sched_scan_results);
d3c0b633
AS		 5565 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
5566 brcmf_notify_vif_event);
0de8aace 5567 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
6eda4e2c 5568 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
0de8aace
HM		 5569 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
5570 brcmf_p2p_notify_listen_complete);
e6da3400
HM		 5571 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
5572 brcmf_p2p_notify_action_frame_rx);
18e2f61d
HM		 5573 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
5574 brcmf_p2p_notify_action_tx_complete);
6eda4e2c
HM		 5575 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
5576 brcmf_p2p_notify_action_tx_complete);
5b435de0
AS		 5577}
5578
27a68fe3
AS		 5579static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
5580{
27a68fe3
AS		 5581 kfree(cfg->conf);
5582 cfg->conf = NULL;
27a68fe3
AS		 5583 kfree(cfg->extra_buf);
5584 cfg->extra_buf = NULL;
3021ad9a
HM		 5585 kfree(cfg->wowl.nd);
5586 cfg->wowl.nd = NULL;
5587 kfree(cfg->wowl.nd_info);
5588 cfg->wowl.nd_info = NULL;
d5367334
HM		 5589 kfree(cfg->escan_info.escan_buf);
5590 cfg->escan_info.escan_buf = NULL;
27a68fe3
AS		 5591}
5592
5593static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
5594{
27a68fe3
AS		 5595 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
5596 if (!cfg->conf)
5b435de0 5597 goto init_priv_mem_out;
27a68fe3
AS		 5598 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
5599 if (!cfg->extra_buf)
5b435de0 5600 goto init_priv_mem_out;
3021ad9a
HM		 5601 cfg->wowl.nd = kzalloc(sizeof(*cfg->wowl.nd) + sizeof(u32), GFP_KERNEL);
5602 if (!cfg->wowl.nd)
5603 goto init_priv_mem_out;
5604 cfg->wowl.nd_info = kzalloc(sizeof(*cfg->wowl.nd_info) +
5605 sizeof(struct cfg80211_wowlan_nd_match *),
5606 GFP_KERNEL);
5607 if (!cfg->wowl.nd_info)
5608 goto init_priv_mem_out;
d5367334
HM		 5609 cfg->escan_info.escan_buf = kzalloc(BRCMF_ESCAN_BUF_SIZE, GFP_KERNEL);
5610 if (!cfg->escan_info.escan_buf)
5611 goto init_priv_mem_out;
5b435de0
AS		 5612
5613 return 0;
5614
5615init_priv_mem_out:
27a68fe3 5616 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5617
5618 return -ENOMEM;
5619}
5620
27a68fe3 5621static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5622{
5623 s32 err = 0;
5624
27a68fe3
AS		 5625 cfg->scan_request = NULL;
5626 cfg->pwr_save = true;
68ca395f
HM		 5627 cfg->active_scan = true; /* we do active scan per default */
5628 cfg->dongle_up = false; /* dongle is not up yet */
27a68fe3 5629 err = brcmf_init_priv_mem(cfg);
5b435de0
AS		 5630 if (err)
5631 return err;
5c36b99a 5632 brcmf_register_event_handlers(cfg);
27a68fe3 5633 mutex_init(&cfg->usr_sync);
27a68fe3
AS		 5634 brcmf_init_escan(cfg);
5635 brcmf_init_conf(cfg->conf);
5f4f9f11 5636 init_completion(&cfg->vif_disabled);
5b435de0
AS		 5637 return err;
5638}
5639
27a68fe3 5640static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5b435de0 5641{
27a68fe3 5642 cfg->dongle_up = false; /* dongle down */
27a68fe3
AS		 5643 brcmf_abort_scanning(cfg);
5644 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5645}
5646
d3c0b633
AS		 5647static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
5648{
5649 init_waitqueue_head(&event->vif_wq);
d3c0b633
AS		 5650 mutex_init(&event->vif_event_lock);
5651}
5652
1119e23e 5653static s32 brcmf_dongle_roam(struct brcmf_if *ifp)
5b435de0 5654{
1119e23e
HM		 5655 s32 err;
5656 u32 bcn_timeout;
f588bc0c
AS		 5657 __le32 roamtrigger[2];
5658 __le32 roam_delta[2];
5b435de0 5659
1119e23e 5660 /* Configure beacon timeout value based upon roaming setting */
7d34b056 5661 if (ifp->drvr->settings->roamoff)
1119e23e
HM		 5662 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF;
5663 else
5664 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON;
5665 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5666 if (err) {
5667 brcmf_err("bcn_timeout error (%d)\n", err);
5668 goto roam_setup_done;
5b435de0
AS		 5669 }
5670
1119e23e
HM		 5671 /* Enable/Disable built-in roaming to allow supplicant to take care of
5672 * roaming.
5b435de0 5673 */
68ca395f 5674 brcmf_dbg(INFO, "Internal Roaming = %s\n",
7d34b056
HM		 5675 ifp->drvr->settings->roamoff ? "Off" : "On");
5676 err = brcmf_fil_iovar_int_set(ifp, "roam_off",
5677 ifp->drvr->settings->roamoff);
5b435de0 5678 if (err) {
57d6e91a 5679 brcmf_err("roam_off error (%d)\n", err);
1119e23e 5680 goto roam_setup_done;
5b435de0
AS		 5681 }
5682
f588bc0c
AS		 5683 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
5684 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5685 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
81f5dcb8 5686 (void *)roamtrigger, sizeof(roamtrigger));
5b435de0 5687 if (err) {
57d6e91a 5688 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
1119e23e 5689 goto roam_setup_done;
5b435de0
AS		 5690 }
5691
f588bc0c
AS		 5692 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
5693 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5694 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
81f5dcb8 5695 (void *)roam_delta, sizeof(roam_delta));
5b435de0 5696 if (err) {
57d6e91a 5697 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
1119e23e 5698 goto roam_setup_done;
5b435de0
AS		 5699 }
5700
1119e23e 5701roam_setup_done:
5b435de0
AS		 5702 return err;
5703}
5704
5705static s32
1678ba8e 5706brcmf_dongle_scantime(struct brcmf_if *ifp)
5b435de0
AS		 5707{
5708 s32 err = 0;
5709
ac24be6f 5710 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
1678ba8e 5711 BRCMF_SCAN_CHANNEL_TIME);
5b435de0 5712 if (err) {
1678ba8e 5713 brcmf_err("Scan assoc time error (%d)\n", err);
5b435de0
AS		 5714 goto dongle_scantime_out;
5715 }
ac24be6f 5716 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
1678ba8e 5717 BRCMF_SCAN_UNASSOC_TIME);
5b435de0 5718 if (err) {
1678ba8e 5719 brcmf_err("Scan unassoc time error (%d)\n", err);
5b435de0
AS		 5720 goto dongle_scantime_out;
5721 }
5722
ac24be6f 5723 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
1678ba8e 5724 BRCMF_SCAN_PASSIVE_TIME);
5b435de0 5725 if (err) {
1678ba8e 5726 brcmf_err("Scan passive time error (%d)\n", err);
5b435de0
AS		 5727 goto dongle_scantime_out;
5728 }
5729
5730dongle_scantime_out:
5731 return err;
5732}
5733
b48d8916
AS		 5734static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
5735 struct brcmu_chan *ch)
5736{
5737 u32 ht40_flag;
d48200ba 5738
b48d8916
AS		 5739 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
5740 if (ch->sb == BRCMU_CHAN_SB_U) {
5741 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5742 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5743 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5744 } else {
5745 /* It should be one of
5746 * IEEE80211_CHAN_NO_HT40 or
5747 * IEEE80211_CHAN_NO_HT40PLUS
5748 */
5749 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5750 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5751 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5752 }
5753}
5754
5755static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5756 u32 bw_cap[])
d48200ba
HM		 5757{
5758 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
b48d8916
AS		 5759 struct ieee80211_supported_band *band;
5760 struct ieee80211_channel *channel;
5761 struct wiphy *wiphy;
d48200ba 5762 struct brcmf_chanspec_list *list;
83cf17aa 5763 struct brcmu_chan ch;
b48d8916 5764 int err;
d48200ba
HM		 5765 u8 *pbuf;
5766 u32 i, j;
5767 u32 total;
b48d8916 5768 u32 chaninfo;
d48200ba 5769 u32 index;
d48200ba
HM		 5770
5771 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5772
5773 if (pbuf == NULL)
5774 return -ENOMEM;
5775
5776 list = (struct brcmf_chanspec_list *)pbuf;
5777
5778 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5779 BRCMF_DCMD_MEDLEN);
5780 if (err) {
5781 brcmf_err("get chanspecs error (%d)\n", err);
b48d8916 5782 goto fail_pbuf;
d48200ba
HM		 5783 }
5784
b48d8916 5785 wiphy = cfg_to_wiphy(cfg);
57fbcce3 5786 band = wiphy->bands[NL80211_BAND_2GHZ];
58de92d2
AS		 5787 if (band)
5788 for (i = 0; i < band->n_channels; i++)
5789 band->channels[i].flags = IEEE80211_CHAN_DISABLED;
57fbcce3 5790 band = wiphy->bands[NL80211_BAND_5GHZ];
58de92d2
AS		 5791 if (band)
5792 for (i = 0; i < band->n_channels; i++)
5793 band->channels[i].flags = IEEE80211_CHAN_DISABLED;
d48200ba
HM		 5794
5795 total = le32_to_cpu(list->count);
5796 for (i = 0; i < total; i++) {
83cf17aa
FL		 5797 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5798 cfg->d11inf.decchspec(&ch);
d48200ba 5799
83cf17aa 5800 if (ch.band == BRCMU_CHAN_BAND_2G) {
57fbcce3 5801 band = wiphy->bands[NL80211_BAND_2GHZ];
83cf17aa 5802 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
57fbcce3 5803 band = wiphy->bands[NL80211_BAND_5GHZ];
d48200ba 5804 } else {
2375d970 5805 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
d48200ba
HM		 5806 continue;
5807 }
58de92d2
AS		 5808 if (!band)
5809 continue;
b48d8916 5810 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
2375d970 5811 ch.bw == BRCMU_CHAN_BW_40)
d48200ba 5812 continue;
b48d8916 5813 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
ee942ecc
AS		 5814 ch.bw == BRCMU_CHAN_BW_80)
5815 continue;
b48d8916
AS		 5816
5817 channel = band->channels;
5818 index = band->n_channels;
5819 for (j = 0; j < band->n_channels; j++) {
5820 if (channel[j].hw_value == ch.chnum) {
5821 index = j;
d48200ba
HM		 5822 break;
5823 }
5824 }
b48d8916
AS		 5825 channel[index].center_freq =
5826 ieee80211_channel_to_frequency(ch.chnum, band->band);
5827 channel[index].hw_value = ch.chnum;
5828
5829 /* assuming the chanspecs order is HT20,
5830 * HT40 upper, HT40 lower, and VHT80.
5831 */
5832 if (ch.bw == BRCMU_CHAN_BW_80) {
5833 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5834 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5835 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5836 } else {
58de92d2
AS		 5837 /* enable the channel and disable other bandwidths
5838 * for now as mentioned order assure they are enabled
5839 * for subsequent chanspecs.
ee942ecc 5840 */
b48d8916
AS		 5841 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5842 IEEE80211_CHAN_NO_80MHZ;
5843 ch.bw = BRCMU_CHAN_BW_20;
5844 cfg->d11inf.encchspec(&ch);
5845 chaninfo = ch.chspec;
5846 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5847 &chaninfo);
5848 if (!err) {
5849 if (chaninfo & WL_CHAN_RADAR)
5850 channel[index].flags |=
5851 (IEEE80211_CHAN_RADAR |
5852 IEEE80211_CHAN_NO_IR);
5853 if (chaninfo & WL_CHAN_PASSIVE)
5854 channel[index].flags |=
5855 IEEE80211_CHAN_NO_IR;
d48200ba 5856 }
d48200ba
HM		 5857 }
5858 }
b48d8916 5859
b48d8916 5860fail_pbuf:
d48200ba
HM		 5861 kfree(pbuf);
5862 return err;
5863}
5864
b48d8916 5865static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
aa70b4fa 5866{
b48d8916
AS		 5867 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5868 struct ieee80211_supported_band *band;
aa70b4fa 5869 struct brcmf_fil_bwcap_le band_bwcap;
b48d8916
AS		 5870 struct brcmf_chanspec_list *list;
5871 u8 *pbuf;
aa70b4fa
AS		 5872 u32 val;
5873 int err;
b48d8916
AS		 5874 struct brcmu_chan ch;
5875 u32 num_chan;
5876 int i, j;
aa70b4fa
AS		 5877
5878 /* verify support for bw_cap command */
5879 val = WLC_BAND_5G;
5880 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5881
5882 if (!err) {
5883 /* only set 2G bandwidth using bw_cap command */
5884 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5885 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5886 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5887 sizeof(band_bwcap));
5888 } else {
5889 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5890 val = WLC_N_BW_40ALL;
5891 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5892 }
b48d8916
AS		 5893
5894 if (!err) {
5895 /* update channel info in 2G band */
5896 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5897
5898 if (pbuf == NULL)
5899 return -ENOMEM;
5900
5901 ch.band = BRCMU_CHAN_BAND_2G;
5902 ch.bw = BRCMU_CHAN_BW_40;
fac7d2a3 5903 ch.sb = BRCMU_CHAN_SB_NONE;
b48d8916
AS		 5904 ch.chnum = 0;
5905 cfg->d11inf.encchspec(&ch);
5906
5907 /* pass encoded chanspec in query */
5908 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5909
5910 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5911 BRCMF_DCMD_MEDLEN);
5912 if (err) {
5913 brcmf_err("get chanspecs error (%d)\n", err);
5914 kfree(pbuf);
5915 return err;
5916 }
5917
57fbcce3 5918 band = cfg_to_wiphy(cfg)->bands[NL80211_BAND_2GHZ];
b48d8916
AS		 5919 list = (struct brcmf_chanspec_list *)pbuf;
5920 num_chan = le32_to_cpu(list->count);
5921 for (i = 0; i < num_chan; i++) {
5922 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5923 cfg->d11inf.decchspec(&ch);
5924 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5925 continue;
5926 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5927 continue;
5928 for (j = 0; j < band->n_channels; j++) {
5929 if (band->channels[j].hw_value == ch.chnum)
5930 break;
5931 }
5932 if (WARN_ON(j == band->n_channels))
5933 continue;
5934
5935 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5936 }
fac7d2a3 5937 kfree(pbuf);
b48d8916 5938 }
aa70b4fa
AS		 5939 return err;
5940}
5941
2375d970
AS		 5942static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5943{
5944 u32 band, mimo_bwcap;
5945 int err;
5946
5947 band = WLC_BAND_2G;
5948 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5949 if (!err) {
57fbcce3 5950 bw_cap[NL80211_BAND_2GHZ] = band;
2375d970
AS		 5951 band = WLC_BAND_5G;
5952 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5953 if (!err) {
57fbcce3 5954 bw_cap[NL80211_BAND_5GHZ] = band;
2375d970
AS		 5955 return;
5956 }
5957 WARN_ON(1);
5958 return;
5959 }
5960 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5961 mimo_bwcap = 0;
5962 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5963 if (err)
5964 /* assume 20MHz if firmware does not give a clue */
5965 mimo_bwcap = WLC_N_BW_20ALL;
5966
5967 switch (mimo_bwcap) {
5968 case WLC_N_BW_40ALL:
57fbcce3 5969 bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
2375d970
AS		 5970 /* fall-thru */
5971 case WLC_N_BW_20IN2G_40IN5G:
57fbcce3 5972 bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
2375d970
AS		 5973 /* fall-thru */
5974 case WLC_N_BW_20ALL:
57fbcce3
JB		 5975 bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5976 bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
2375d970
AS		 5977 break;
5978 default:
5979 brcmf_err("invalid mimo_bw_cap value\n");
5980 }
5981}
d48200ba 5982
18d6c535
AS		 5983static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5984 u32 bw_cap[2], u32 nchain)
5985{
5986 band->ht_cap.ht_supported = true;
5987 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5988 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5989 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5990 }
5991 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5992 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5993 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5994 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5995 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5996 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5997}
5998
5999static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
6000{
6001 u16 mcs_map;
6002 int i;
6003
6004 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
6005 mcs_map = (mcs_map << 2) | supp;
6006
6007 return cpu_to_le16(mcs_map);
6008}
6009
6010static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
7bf65aa9
HM		 6011 u32 bw_cap[2], u32 nchain, u32 txstreams,
6012 u32 txbf_bfe_cap, u32 txbf_bfr_cap)
18d6c535
AS		 6013{
6014 __le16 mcs_map;
6015
6016 /* not allowed in 2.4G band */
57fbcce3 6017 if (band->band == NL80211_BAND_2GHZ)
18d6c535
AS		 6018 return;
6019
6020 band->vht_cap.vht_supported = true;
6021 /* 80MHz is mandatory */
6022 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
6023 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
6024 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
6025 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
6026 }
6027 /* all support 256-QAM */
6028 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
6029 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
6030 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
7bf65aa9
HM		 6031
6032 /* Beamforming support information */
6033 if (txbf_bfe_cap & BRCMF_TXBF_SU_BFE_CAP)
6034 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
6035 if (txbf_bfe_cap & BRCMF_TXBF_MU_BFE_CAP)
6036 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
6037 if (txbf_bfr_cap & BRCMF_TXBF_SU_BFR_CAP)
6038 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
6039 if (txbf_bfr_cap & BRCMF_TXBF_MU_BFR_CAP)
6040 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
6041
6042 if ((txbf_bfe_cap || txbf_bfr_cap) && (txstreams > 1)) {
6043 band->vht_cap.cap |=
6044 (2 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
6045 band->vht_cap.cap |= ((txstreams - 1) <<
6046 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
6047 band->vht_cap.cap |=
6048 IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
6049 }
18d6c535
AS		 6050}
6051
b48d8916 6052static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5b435de0 6053{
b48d8916 6054 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
ac24be6f 6055 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
18d6c535
AS		 6056 u32 nmode = 0;
6057 u32 vhtmode = 0;
b48d8916 6058 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
4aca7a18
DK		 6059 u32 rxchain;
6060 u32 nchain;
b48d8916 6061 int err;
d48200ba 6062 s32 i;
2375d970 6063 struct ieee80211_supported_band *band;
7bf65aa9
HM		 6064 u32 txstreams = 0;
6065 u32 txbf_bfe_cap = 0;
6066 u32 txbf_bfr_cap = 0;
5b435de0 6067
18d6c535 6068 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
d48200ba
HM		 6069 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
6070 if (err) {
6071 brcmf_err("nmode error (%d)\n", err);
6072 } else {
2375d970 6073 brcmf_get_bwcap(ifp, bw_cap);
d48200ba 6074 }
18d6c535 6075 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
57fbcce3
JB		 6076 nmode, vhtmode, bw_cap[NL80211_BAND_2GHZ],
6077 bw_cap[NL80211_BAND_5GHZ]);
d48200ba 6078
4aca7a18
DK		 6079 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
6080 if (err) {
6081 brcmf_err("rxchain error (%d)\n", err);
6082 nchain = 1;
6083 } else {
6084 for (nchain = 0; rxchain; nchain++)
6085 rxchain = rxchain & (rxchain - 1);
6086 }
6087 brcmf_dbg(INFO, "nchain=%d\n", nchain);
6088
b48d8916 6089 err = brcmf_construct_chaninfo(cfg, bw_cap);
d48200ba 6090 if (err) {
b48d8916 6091 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
d48200ba
HM		 6092 return err;
6093 }
6094
7bf65aa9
HM		 6095 if (vhtmode) {
6096 (void)brcmf_fil_iovar_int_get(ifp, "txstreams", &txstreams);
6097 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfe_cap",
6098 &txbf_bfe_cap);
6099 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfr_cap",
6100 &txbf_bfr_cap);
6101 }
6102
b48d8916
AS		 6103 wiphy = cfg_to_wiphy(cfg);
6104 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
6105 band = wiphy->bands[i];
6106 if (band == NULL)
2375d970 6107 continue;
d48200ba 6108
18d6c535
AS		 6109 if (nmode)
6110 brcmf_update_ht_cap(band, bw_cap, nchain);
6111 if (vhtmode)
7bf65aa9
HM		 6112 brcmf_update_vht_cap(band, bw_cap, nchain, txstreams,
6113 txbf_bfe_cap, txbf_bfr_cap);
d48200ba
HM		 6114 }
6115
b48d8916 6116 return 0;
5b435de0
AS		 6117}
6118
aa70b4fa
AS		 6119static const struct ieee80211_txrx_stypes
6120brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
6121 [NL80211_IFTYPE_STATION] = {
6122 .tx = 0xffff,
6123 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
6124 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
6125 },
6126 [NL80211_IFTYPE_P2P_CLIENT] = {
6127 .tx = 0xffff,
6128 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
6129 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
6130 },
6131 [NL80211_IFTYPE_P2P_GO] = {
6132 .tx = 0xffff,
6133 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
6134 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
6135 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
6136 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
6137 BIT(IEEE80211_STYPE_AUTH >> 4) |
6138 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
6139 BIT(IEEE80211_STYPE_ACTION >> 4)
6140 },
6141 [NL80211_IFTYPE_P2P_DEVICE] = {
6142 .tx = 0xffff,
6143 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
6144 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
6145 }
6146};
6147
0882dda3
AS		 6148/**
6149 * brcmf_setup_ifmodes() - determine interface modes and combinations.
6150 *
6151 * @wiphy: wiphy object.
6152 * @ifp: interface object needed for feat module api.
6153 *
6154 * The interface modes and combinations are determined dynamically here
6155 * based on firmware functionality.
6156 *
6157 * no p2p and no mbss:
6158 *
6159 * #STA <= 1, #AP <= 1, channels = 1, 2 total
6160 *
6161 * no p2p and mbss:
6162 *
6163 * #STA <= 1, #AP <= 1, channels = 1, 2 total
6164 * #AP <= 4, matching BI, channels = 1, 4 total
6165 *
6166 * p2p, no mchan, and mbss:
6167 *
6168 * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total
6169 * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
6170 * #AP <= 4, matching BI, channels = 1, 4 total
6171 *
6172 * p2p, mchan, and mbss:
6173 *
6174 * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total
6175 * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
6176 * #AP <= 4, matching BI, channels = 1, 4 total
6177 */
2e5f66fe
PF		 6178static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
6179{
6180 struct ieee80211_iface_combination *combo = NULL;
0882dda3
AS		 6181 struct ieee80211_iface_limit *c0_limits = NULL;
6182 struct ieee80211_iface_limit *p2p_limits = NULL;
6183 struct ieee80211_iface_limit *mbss_limits = NULL;
6184 bool mbss, p2p;
6185 int i, c, n_combos;
6186
6187 mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS);
6188 p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P);
2e5f66fe 6189
0882dda3
AS		 6190 n_combos = 1 + !!p2p + !!mbss;
6191 combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL);
2e5f66fe
PF		 6192 if (!combo)
6193 goto err;
6194
0882dda3
AS		 6195 c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL);
6196 if (!c0_limits)
2e5f66fe
PF		 6197 goto err;
6198
0882dda3
AS		 6199 if (p2p) {
6200 p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL);
6201 if (!p2p_limits)
6202 goto err;
6203 }
6204
6205 if (mbss) {
6206 mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL);
6207 if (!mbss_limits)
6208 goto err;
6209 }
6210
2e5f66fe
PF		 6211 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
6212 BIT(NL80211_IFTYPE_ADHOC) |
6213 BIT(NL80211_IFTYPE_AP);
6214
0882dda3
AS		 6215 c = 0;
6216 i = 0;
6217 combo[c].num_different_channels = 1;
6218 c0_limits[i].max = 1;
6219 c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
6220 if (p2p) {
6221 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
6222 combo[c].num_different_channels = 2;
2e5f66fe
PF		 6223 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
6224 BIT(NL80211_IFTYPE_P2P_GO) |
6225 BIT(NL80211_IFTYPE_P2P_DEVICE);
0882dda3
AS		 6226 c0_limits[i].max = 1;
6227 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
6228 c0_limits[i].max = 1;
6229 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
6230 BIT(NL80211_IFTYPE_P2P_GO);
6231 } else {
6232 c0_limits[i].max = 1;
6233 c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6234 }
6235 combo[c].max_interfaces = i;
6236 combo[c].n_limits = i;
6237 combo[c].limits = c0_limits;
6238
6239 if (p2p) {
6240 c++;
6241 i = 0;
6242 combo[c].num_different_channels = 1;
6243 p2p_limits[i].max = 1;
6244 p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
6245 p2p_limits[i].max = 1;
6246 p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6247 p2p_limits[i].max = 1;
6248 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT);
6249 p2p_limits[i].max = 1;
6250 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
6251 combo[c].max_interfaces = i;
6252 combo[c].n_limits = i;
6253 combo[c].limits = p2p_limits;
6254 }
6255
6256 if (mbss) {
6257 c++;
6258 combo[c].beacon_int_infra_match = true;
6259 combo[c].num_different_channels = 1;
6260 mbss_limits[0].max = 4;
6261 mbss_limits[0].types = BIT(NL80211_IFTYPE_AP);
6262 combo[c].max_interfaces = 4;
6263 combo[c].n_limits = 1;
6264 combo[c].limits = mbss_limits;
6265 }
6266 wiphy->n_iface_combinations = n_combos;
2e5f66fe 6267 wiphy->iface_combinations = combo;
2e5f66fe
PF		 6268 return 0;
6269
6270err:
0882dda3
AS		 6271 kfree(c0_limits);
6272 kfree(p2p_limits);
6273 kfree(mbss_limits);
2e5f66fe
PF		 6274 kfree(combo);
6275 return -ENOMEM;
6276}
6277
aa70b4fa
AS		 6278static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
6279{
6280 /* scheduled scan settings */
6281 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
6282 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
6283 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
6284 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
6285}
6286
4eb3af7c 6287#ifdef CONFIG_PM
3021ad9a 6288static struct wiphy_wowlan_support brcmf_wowlan_support = {
4eb3af7c 6289 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
b9a82f89
HM		 6290 .n_patterns = BRCMF_WOWL_MAXPATTERNS,
6291 .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
6292 .pattern_min_len = 1,
6293 .max_pkt_offset = 1500,
4eb3af7c
HM		 6294};
6295#endif
6296
3021ad9a 6297static void brcmf_wiphy_wowl_params(struct wiphy *wiphy, struct brcmf_if *ifp)
4eb3af7c
HM		 6298{
6299#ifdef CONFIG_PM
3021ad9a 6300 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3021ad9a
HM		 6301
6302 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) {
5c22fb85
HM		 6303 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ND)) {
6304 brcmf_wowlan_support.flags |= WIPHY_WOWLAN_NET_DETECT;
6305 init_waitqueue_head(&cfg->wowl.nd_data_wait);
3021ad9a
HM		 6306 }
6307 }
5c22fb85
HM		 6308 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) {
6309 brcmf_wowlan_support.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY;
6310 brcmf_wowlan_support.flags |= WIPHY_WOWLAN_GTK_REKEY_FAILURE;
6311 }
6312
4eb3af7c
HM		 6313 wiphy->wowlan = &brcmf_wowlan_support;
6314#endif
6315}
6316
b48d8916 6317static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
aa70b4fa 6318{
e3faa866 6319 struct brcmf_pub *drvr = ifp->drvr;
50f32e2d 6320 const struct ieee80211_iface_combination *combo;
58de92d2 6321 struct ieee80211_supported_band *band;
50f32e2d 6322 u16 max_interfaces = 0;
58de92d2
AS		 6323 __le32 bandlist[3];
6324 u32 n_bands;
6325 int err, i;
6326
aa70b4fa
AS		 6327 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
6328 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
6c404f34 6329 wiphy->max_num_pmkids = BRCMF_MAXPMKID;
2e5f66fe
PF		 6330
6331 err = brcmf_setup_ifmodes(wiphy, ifp);
6332 if (err)
6333 return err;
6334
50f32e2d
RM		 6335 for (i = 0, combo = wiphy->iface_combinations;
6336 i < wiphy->n_iface_combinations; i++, combo++) {
6337 max_interfaces = max(max_interfaces, combo->max_interfaces);
6338 }
6339
6340 for (i = 0; i < max_interfaces && i < ARRAY_SIZE(drvr->addresses);
6341 i++) {
e3faa866
RM		 6342 u8 *addr = drvr->addresses[i].addr;
6343
6344 memcpy(addr, drvr->mac, ETH_ALEN);
6345 if (i) {
6346 addr[0] |= BIT(1);
6347 addr[ETH_ALEN - 1] ^= i;
6348 }
6349 }
6350 wiphy->addresses = drvr->addresses;
6351 wiphy->n_addresses = i;
6352
aa70b4fa 6353 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
240d61a9
HM		 6354 wiphy->cipher_suites = brcmf_cipher_suites;
6355 wiphy->n_cipher_suites = ARRAY_SIZE(brcmf_cipher_suites);
6356 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP))
6357 wiphy->n_cipher_suites--;
7705ba6f
AS		 6358 wiphy->bss_select_support = BIT(NL80211_BSS_SELECT_ATTR_RSSI) |
6359 BIT(NL80211_BSS_SELECT_ATTR_BAND_PREF) |
6360 BIT(NL80211_BSS_SELECT_ATTR_RSSI_ADJUST);
6361
aa70b4fa
AS		 6362 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
6363 WIPHY_FLAG_OFFCHAN_TX |
a7b82d47
HM		 6364 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
6365 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS))
6366 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7d34b056 6367 if (!ifp->drvr->settings->roamoff)
aa70b4fa
AS		 6368 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
6369 wiphy->mgmt_stypes = brcmf_txrx_stypes;
6370 wiphy->max_remain_on_channel_duration = 5000;
7a7a87dc
AS		 6371 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO))
6372 brcmf_wiphy_pno_params(wiphy);
aa70b4fa
AS		 6373
6374 /* vendor commands/events support */
6375 wiphy->vendor_commands = brcmf_vendor_cmds;
6376 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
6377
4eb3af7c 6378 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
3021ad9a 6379 brcmf_wiphy_wowl_params(wiphy, ifp);
58de92d2
AS		 6380 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, &bandlist,
6381 sizeof(bandlist));
6382 if (err) {
6383 brcmf_err("could not obtain band info: err=%d\n", err);
6384 return err;
6385 }
6386 /* first entry in bandlist is number of bands */
6387 n_bands = le32_to_cpu(bandlist[0]);
6388 for (i = 1; i <= n_bands && i < ARRAY_SIZE(bandlist); i++) {
6389 if (bandlist[i] == cpu_to_le32(WLC_BAND_2G)) {
6390 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
6391 GFP_KERNEL);
6392 if (!band)
6393 return -ENOMEM;
6394
6395 band->channels = kmemdup(&__wl_2ghz_channels,
6396 sizeof(__wl_2ghz_channels),
6397 GFP_KERNEL);
6398 if (!band->channels) {
6399 kfree(band);
6400 return -ENOMEM;
6401 }
6402
6403 band->n_channels = ARRAY_SIZE(__wl_2ghz_channels);
57fbcce3 6404 wiphy->bands[NL80211_BAND_2GHZ] = band;
58de92d2
AS		 6405 }
6406 if (bandlist[i] == cpu_to_le32(WLC_BAND_5G)) {
6407 band = kmemdup(&__wl_band_5ghz, sizeof(__wl_band_5ghz),
6408 GFP_KERNEL);
6409 if (!band)
6410 return -ENOMEM;
6411
6412 band->channels = kmemdup(&__wl_5ghz_channels,
6413 sizeof(__wl_5ghz_channels),
6414 GFP_KERNEL);
6415 if (!band->channels) {
6416 kfree(band);
6417 return -ENOMEM;
6418 }
6419
6420 band->n_channels = ARRAY_SIZE(__wl_5ghz_channels);
57fbcce3 6421 wiphy->bands[NL80211_BAND_5GHZ] = band;
58de92d2
AS		 6422 }
6423 }
6424 err = brcmf_setup_wiphybands(wiphy);
6425 return err;
5b435de0
AS		 6426}
6427
27a68fe3 6428static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 6429{
6430 struct net_device *ndev;
6431 struct wireless_dev *wdev;
40a23296 6432 struct brcmf_if *ifp;
5b435de0
AS		 6433 s32 power_mode;
6434 s32 err = 0;
6435
27a68fe3 6436 if (cfg->dongle_up)
5b435de0
AS		 6437 return err;
6438
27a68fe3 6439 ndev = cfg_to_ndev(cfg);
5b435de0 6440 wdev = ndev->ieee80211_ptr;
40a23296
HM		 6441 ifp = netdev_priv(ndev);
6442
6443 /* make sure RF is ready for work */
6444 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5b435de0 6445
1678ba8e 6446 brcmf_dongle_scantime(ifp);
5b435de0 6447
27a68fe3 6448 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
40a23296 6449 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5b435de0
AS		 6450 if (err)
6451 goto default_conf_out;
647c9ae0
AS		 6452 brcmf_dbg(INFO, "power save set to %s\n",
6453 (power_mode ? "enabled" : "disabled"));
5b435de0 6454
1119e23e 6455 err = brcmf_dongle_roam(ifp);
5b435de0
AS		 6456 if (err)
6457 goto default_conf_out;
5dd161ff
FL		 6458 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
6459 NULL, NULL);
40a23296 6460 if (err)
5b435de0 6461 goto default_conf_out;
5b435de0 6462
52f22fb2 6463 brcmf_configure_arp_nd_offload(ifp, true);
b3657453 6464
27a68fe3 6465 cfg->dongle_up = true;
40a23296 6466default_conf_out:
5b435de0
AS		 6467
6468 return err;
6469
6470}
6471
bdf5ff51 6472static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5b435de0 6473{
c1179033 6474 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 6475
bdf5ff51 6476 return brcmf_config_dongle(ifp->drvr->config);
5b435de0
AS		 6477}
6478
bdf5ff51 6479static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5b435de0 6480{
bdf5ff51 6481 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
c1179033 6482
5b435de0
AS		 6483 /*
6484 * While going down, if associated with AP disassociate
6485 * from AP to save power
6486 */
903e0eee 6487 if (check_vif_up(ifp->vif)) {
9b7a0ddc 6488 brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED);
5b435de0
AS		 6489
6490 /* Make sure WPA_Supplicant receives all the event
6491 generated due to DISASSOC call to the fw to keep
6492 the state fw and WPA_Supplicant state consistent
6493 */
6494 brcmf_delay(500);
6495 }
6496
27a68fe3 6497 brcmf_abort_scanning(cfg);
c1179033 6498 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 6499
5b435de0
AS		 6500 return 0;
6501}
6502
bdf5ff51 6503s32 brcmf_cfg80211_up(struct net_device *ndev)
5b435de0 6504{
bdf5ff51
AS		 6505 struct brcmf_if *ifp = netdev_priv(ndev);
6506 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 6507 s32 err = 0;
6508
27a68fe3 6509 mutex_lock(&cfg->usr_sync);
bdf5ff51 6510 err = __brcmf_cfg80211_up(ifp);
27a68fe3 6511 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 6512
6513 return err;
6514}
6515
bdf5ff51 6516s32 brcmf_cfg80211_down(struct net_device *ndev)
5b435de0 6517{
bdf5ff51
AS		 6518 struct brcmf_if *ifp = netdev_priv(ndev);
6519 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 6520 s32 err = 0;
6521
27a68fe3 6522 mutex_lock(&cfg->usr_sync);
bdf5ff51 6523 err = __brcmf_cfg80211_down(ifp);
27a68fe3 6524 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 6525
6526 return err;
6527}
6528
a7965fbb
AS		 6529enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
6530{
6531 struct wireless_dev *wdev = &ifp->vif->wdev;
6532
6533 return wdev->iftype;
6534}
6535
bfe81975
HM		 6536bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
6537 unsigned long state)
9f440b7b
AS		 6538{
6539 struct brcmf_cfg80211_vif *vif;
9f440b7b
AS		 6540
6541 list_for_each_entry(vif, &cfg->vif_list, list) {
6542 if (test_bit(state, &vif->sme_state))
e843bb19 6543 return true;
9f440b7b 6544 }
e843bb19 6545 return false;
9f440b7b 6546}
d3c0b633
AS		 6547
6548static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
6549 u8 action)
6550{
6551 u8 evt_action;
6552
6553 mutex_lock(&event->vif_event_lock);
6554 evt_action = event->action;
6555 mutex_unlock(&event->vif_event_lock);
6556 return evt_action == action;
6557}
6558
6559void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
6560 struct brcmf_cfg80211_vif *vif)
6561{
6562 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6563
6564 mutex_lock(&event->vif_event_lock);
6565 event->vif = vif;
6566 event->action = 0;
6567 mutex_unlock(&event->vif_event_lock);
6568}
6569
6570bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
6571{
6572 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6573 bool armed;
6574
6575 mutex_lock(&event->vif_event_lock);
6576 armed = event->vif != NULL;
6577 mutex_unlock(&event->vif_event_lock);
6578
6579 return armed;
6580}
a9eb0c4b
AS		 6581
6582int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg,
6583 u8 action, ulong timeout)
d3c0b633
AS		 6584{
6585 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6586
6587 return wait_event_timeout(event->vif_wq,
6588 vif_event_equals(event, action), timeout);
6589}
6590
73345fd2
HM		 6591static s32 brcmf_translate_country_code(struct brcmf_pub *drvr, char alpha2[2],
6592 struct brcmf_fil_country_le *ccreq)
6593{
4d792895
HM		 6594 struct brcmfmac_pd_cc *country_codes;
6595 struct brcmfmac_pd_cc_entry *cc;
73345fd2
HM		 6596 s32 found_index;
6597 int i;
6598
6599 country_codes = drvr->settings->country_codes;
6600 if (!country_codes) {
6601 brcmf_dbg(TRACE, "No country codes configured for device\n");
6602 return -EINVAL;
6603 }
6604
6605 if ((alpha2[0] == ccreq->country_abbrev[0]) &&
6606 (alpha2[1] == ccreq->country_abbrev[1])) {
6607 brcmf_dbg(TRACE, "Country code already set\n");
6608 return -EAGAIN;
6609 }
6610
6611 found_index = -1;
6612 for (i = 0; i < country_codes->table_size; i++) {
6613 cc = &country_codes->table[i];
6614 if ((cc->iso3166[0] == '\0') && (found_index == -1))
6615 found_index = i;
6616 if ((cc->iso3166[0] == alpha2[0]) &&
6617 (cc->iso3166[1] == alpha2[1])) {
6618 found_index = i;
6619 break;
6620 }
6621 }
6622 if (found_index == -1) {
6623 brcmf_dbg(TRACE, "No country code match found\n");
6624 return -EINVAL;
6625 }
6626 memset(ccreq, 0, sizeof(*ccreq));
6627 ccreq->rev = cpu_to_le32(country_codes->table[found_index].rev);
6628 memcpy(ccreq->ccode, country_codes->table[found_index].cc,
6629 BRCMF_COUNTRY_BUF_SZ);
6630 ccreq->country_abbrev[0] = alpha2[0];
6631 ccreq->country_abbrev[1] = alpha2[1];
6632 ccreq->country_abbrev[2] = 0;
6633
6634 return 0;
6635}
6636
63db1a49
AS		 6637static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy,
6638 struct regulatory_request *req)
6639{
6640 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
6641 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
6642 struct brcmf_fil_country_le ccreq;
73345fd2 6643 s32 err;
63db1a49
AS		 6644 int i;
6645
63db1a49
AS		 6646 /* ignore non-ISO3166 country codes */
6647 for (i = 0; i < sizeof(req->alpha2); i++)
6648 if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
73345fd2
HM		 6649 brcmf_err("not a ISO3166 code (0x%02x 0x%02x)\n",
6650 req->alpha2[0], req->alpha2[1]);
63db1a49
AS		 6651 return;
6652 }
73345fd2
HM		 6653
6654 brcmf_dbg(TRACE, "Enter: initiator=%d, alpha=%c%c\n", req->initiator,
6655 req->alpha2[0], req->alpha2[1]);
6656
6657 err = brcmf_fil_iovar_data_get(ifp, "country", &ccreq, sizeof(ccreq));
6658 if (err) {
6659 brcmf_err("Country code iovar returned err = %d\n", err);
6660 return;
6661 }
6662
6663 err = brcmf_translate_country_code(ifp->drvr, req->alpha2, &ccreq);
6664 if (err)
6665 return;
6666
6667 err = brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq));
6668 if (err) {
6669 brcmf_err("Firmware rejected country setting\n");
8afe0ece
AS		 6670 return;
6671 }
6672 brcmf_setup_wiphybands(wiphy);
63db1a49
AS		 6673}
6674
b48d8916
AS		 6675static void brcmf_free_wiphy(struct wiphy *wiphy)
6676{
0882dda3
AS		 6677 int i;
6678
58de92d2
AS		 6679 if (!wiphy)
6680 return;
6681
0882dda3
AS		 6682 if (wiphy->iface_combinations) {
6683 for (i = 0; i < wiphy->n_iface_combinations; i++)
6684 kfree(wiphy->iface_combinations[i].limits);
6685 }
b48d8916 6686 kfree(wiphy->iface_combinations);
57fbcce3
JB		 6687 if (wiphy->bands[NL80211_BAND_2GHZ]) {
6688 kfree(wiphy->bands[NL80211_BAND_2GHZ]->channels);
6689 kfree(wiphy->bands[NL80211_BAND_2GHZ]);
b48d8916 6690 }
57fbcce3
JB		 6691 if (wiphy->bands[NL80211_BAND_5GHZ]) {
6692 kfree(wiphy->bands[NL80211_BAND_5GHZ]->channels);
6693 kfree(wiphy->bands[NL80211_BAND_5GHZ]);
b48d8916
AS		 6694 }
6695 wiphy_free(wiphy);
6696}
6697
ccfd1e81 6698struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
ae7c03f6
HM		 6699 struct device *busdev,
6700 bool p2pdev_forced)
ccfd1e81 6701{
46f3b6ee 6702 struct net_device *ndev = brcmf_get_ifp(drvr, 0)->ndev;
ccfd1e81
AS		 6703 struct brcmf_cfg80211_info *cfg;
6704 struct wiphy *wiphy;
5c22fb85 6705 struct cfg80211_ops *ops;
ccfd1e81
AS		 6706 struct brcmf_cfg80211_vif *vif;
6707 struct brcmf_if *ifp;
6708 s32 err = 0;
6709 s32 io_type;
b48d8916 6710 u16 *cap = NULL;
ccfd1e81
AS		 6711
6712 if (!ndev) {
6713 brcmf_err("ndev is invalid\n");
6714 return NULL;
6715 }
6716
5c22fb85
HM		 6717 ops = kzalloc(sizeof(*ops), GFP_KERNEL);
6718 if (!ops)
6719 return NULL;
6720
6721 memcpy(ops, &brcmf_cfg80211_ops, sizeof(*ops));
ccfd1e81 6722 ifp = netdev_priv(ndev);
5c22fb85
HM		 6723#ifdef CONFIG_PM
6724 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK))
6725 ops->set_rekey_data = brcmf_cfg80211_set_rekey_data;
6726#endif
6727 wiphy = wiphy_new(ops, sizeof(struct brcmf_cfg80211_info));
b48d8916
AS		 6728 if (!wiphy) {
6729 brcmf_err("Could not allocate wiphy device\n");
ccfd1e81 6730 return NULL;
b48d8916 6731 }
6896f4fb 6732 memcpy(wiphy->perm_addr, drvr->mac, ETH_ALEN);
b48d8916 6733 set_wiphy_dev(wiphy, busdev);
ccfd1e81
AS		 6734
6735 cfg = wiphy_priv(wiphy);
6736 cfg->wiphy = wiphy;
5c22fb85 6737 cfg->ops = ops;
ccfd1e81
AS		 6738 cfg->pub = drvr;
6739 init_vif_event(&cfg->vif_event);
6740 INIT_LIST_HEAD(&cfg->vif_list);
6741
6742 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
b48d8916
AS		 6743 if (IS_ERR(vif))
6744 goto wiphy_out;
ccfd1e81
AS		 6745
6746 vif->ifp = ifp;
6747 vif->wdev.netdev = ndev;
6748 ndev->ieee80211_ptr = &vif->wdev;
6749 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
6750
6751 err = wl_init_priv(cfg);
6752 if (err) {
6753 brcmf_err("Failed to init iwm_priv (%d)\n", err);
b48d8916
AS		 6754 brcmf_free_vif(vif);
6755 goto wiphy_out;
ccfd1e81
AS		 6756 }
6757 ifp->vif = vif;
6758
b48d8916
AS		 6759 /* determine d11 io type before wiphy setup */
6760 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
ccfd1e81 6761 if (err) {
b48d8916
AS		 6762 brcmf_err("Failed to get D11 version (%d)\n", err);
6763 goto priv_out;
ccfd1e81 6764 }
b48d8916
AS		 6765 cfg->d11inf.io_type = (u8)io_type;
6766 brcmu_d11_attach(&cfg->d11inf);
6767
6768 err = brcmf_setup_wiphy(wiphy, ifp);
6769 if (err < 0)
6770 goto priv_out;
6771
6772 brcmf_dbg(INFO, "Registering custom regulatory\n");
63db1a49 6773 wiphy->reg_notifier = brcmf_cfg80211_reg_notifier;
b48d8916
AS		 6774 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
6775 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
6776
6777 /* firmware defaults to 40MHz disabled in 2G band. We signal
6778 * cfg80211 here that we do and have it decide we can enable
6779 * it. But first check if device does support 2G operation.
6780 */
57fbcce3
JB		 6781 if (wiphy->bands[NL80211_BAND_2GHZ]) {
6782 cap = &wiphy->bands[NL80211_BAND_2GHZ]->ht_cap.cap;
b48d8916
AS		 6783 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6784 }
6785 err = wiphy_register(wiphy);
6786 if (err < 0) {
6787 brcmf_err("Could not register wiphy device (%d)\n", err);
6788 goto priv_out;
ccfd1e81
AS		 6789 }
6790
6791 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
6792 * setup 40MHz in 2GHz band and enable OBSS scanning.
6793 */
b48d8916
AS		 6794 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
6795 err = brcmf_enable_bw40_2g(cfg);
ccfd1e81
AS		 6796 if (!err)
6797 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
6798 BRCMF_OBSS_COEX_AUTO);
b48d8916
AS		 6799 else
6800 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ccfd1e81 6801 }
2b76acdb
HM		 6802 /* p2p might require that "if-events" get processed by fweh. So
6803 * activate the already registered event handlers now and activate
6804 * the rest when initialization has completed. drvr->config needs to
6805 * be assigned before activating events.
6806 */
6807 drvr->config = cfg;
6808 err = brcmf_fweh_activate_events(ifp);
6809 if (err) {
6810 brcmf_err("FWEH activation failed (%d)\n", err);
6811 goto wiphy_unreg_out;
6812 }
ccfd1e81 6813
ae7c03f6 6814 err = brcmf_p2p_attach(cfg, p2pdev_forced);
ccfd1e81 6815 if (err) {
b48d8916
AS		 6816 brcmf_err("P2P initilisation failed (%d)\n", err);
6817 goto wiphy_unreg_out;
6818 }
6819 err = brcmf_btcoex_attach(cfg);
6820 if (err) {
6821 brcmf_err("BT-coex initialisation failed (%d)\n", err);
6822 brcmf_p2p_detach(&cfg->p2p);
6823 goto wiphy_unreg_out;
ccfd1e81
AS		 6824 }
6825
a7b82d47
HM		 6826 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) {
6827 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
6828 if (err) {
6829 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
6830 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
6831 } else {
6832 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
6833 brcmf_notify_tdls_peer_event);
6834 }
ccfd1e81 6835 }
ccfd1e81 6836
2b76acdb
HM		 6837 /* (re-) activate FWEH event handling */
6838 err = brcmf_fweh_activate_events(ifp);
6839 if (err) {
6840 brcmf_err("FWEH activation failed (%d)\n", err);
6841 goto wiphy_unreg_out;
6842 }
6843
48ed16e8
HM		 6844 /* Fill in some of the advertised nl80211 supported features */
6845 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_RANDOM_MAC)) {
6846 wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
6847#ifdef CONFIG_PM
6ea09153
FL		 6848 if (wiphy->wowlan &&
6849 wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT)
48ed16e8
HM		 6850 wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
6851#endif
6852 }
6853
ccfd1e81
AS		 6854 return cfg;
6855
b48d8916
AS		 6856wiphy_unreg_out:
6857 wiphy_unregister(cfg->wiphy);
6858priv_out:
ccfd1e81 6859 wl_deinit_priv(cfg);
ccfd1e81 6860 brcmf_free_vif(vif);
2b5d348e 6861 ifp->vif = NULL;
b48d8916
AS		 6862wiphy_out:
6863 brcmf_free_wiphy(wiphy);
5c22fb85 6864 kfree(ops);
ccfd1e81
AS		 6865 return NULL;
6866}
6867
6868void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
6869{
6870 if (!cfg)
6871 return;
6872
ccfd1e81 6873 brcmf_btcoex_detach(cfg);
f7a40873 6874 wiphy_unregister(cfg->wiphy);
5c22fb85 6875 kfree(cfg->ops);
ccfd1e81 6876 wl_deinit_priv(cfg);
b48d8916 6877 brcmf_free_wiphy(cfg->wiphy);
ccfd1e81 6878}
Linux kernel - Deliverables
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