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brcmfmac: Limit memory allocs to <64K
[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 */
75#define RSN_CAP_LEN 2 /* Length of RSN capabilities */
76#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
77
78#define VNDR_IE_CMD_LEN 4 /* length of the set command
79 * string :"add", "del" (+ NUL)
80 */
81#define VNDR_IE_COUNT_OFFSET 4
82#define VNDR_IE_PKTFLAG_OFFSET 8
83#define VNDR_IE_VSIE_OFFSET 12
84#define VNDR_IE_HDR_SIZE 12
9f440b7b 85#define VNDR_IE_PARSE_LIMIT 5
1a873342
HM		 86
87#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
88#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
04012895 89
89286dc9
HM		 90#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
91#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
92#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
93
1678ba8e
HM		 94#define BRCMF_SCAN_CHANNEL_TIME 40
95#define BRCMF_SCAN_UNASSOC_TIME 40
96#define BRCMF_SCAN_PASSIVE_TIME 120
97
3021ad9a
HM		 98#define BRCMF_ND_INFO_TIMEOUT msecs_to_jiffies(2000)
99
5b435de0
AS		 100#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
101 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
102
ce81e317 103static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
5b435de0 104{
c1179033 105 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
647c9ae0
AS		 106 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
107 vif->sme_state);
5b435de0
AS		 108 return false;
109 }
110 return true;
111}
112
5b435de0
AS		 113#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
114#define RATETAB_ENT(_rateid, _flags) \
115 { \
116 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
117 .hw_value = (_rateid), \
118 .flags = (_flags), \
119 }
120
121static struct ieee80211_rate __wl_rates[] = {
122 RATETAB_ENT(BRCM_RATE_1M, 0),
123 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
124 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
125 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
126 RATETAB_ENT(BRCM_RATE_6M, 0),
127 RATETAB_ENT(BRCM_RATE_9M, 0),
128 RATETAB_ENT(BRCM_RATE_12M, 0),
129 RATETAB_ENT(BRCM_RATE_18M, 0),
130 RATETAB_ENT(BRCM_RATE_24M, 0),
131 RATETAB_ENT(BRCM_RATE_36M, 0),
132 RATETAB_ENT(BRCM_RATE_48M, 0),
133 RATETAB_ENT(BRCM_RATE_54M, 0),
134};
135
5b435de0 136#define wl_g_rates (__wl_rates + 0)
58de92d2
AS		 137#define wl_g_rates_size ARRAY_SIZE(__wl_rates)
138#define wl_a_rates (__wl_rates + 4)
139#define wl_a_rates_size (wl_g_rates_size - 4)
140
141#define CHAN2G(_channel, _freq) { \
142 .band = IEEE80211_BAND_2GHZ, \
143 .center_freq = (_freq), \
144 .hw_value = (_channel), \
145 .flags = IEEE80211_CHAN_DISABLED, \
146 .max_antenna_gain = 0, \
147 .max_power = 30, \
148}
149
150#define CHAN5G(_channel) { \
151 .band = IEEE80211_BAND_5GHZ, \
152 .center_freq = 5000 + (5 * (_channel)), \
153 .hw_value = (_channel), \
154 .flags = IEEE80211_CHAN_DISABLED, \
155 .max_antenna_gain = 0, \
156 .max_power = 30, \
157}
158
159static struct ieee80211_channel __wl_2ghz_channels[] = {
160 CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427),
161 CHAN2G(5, 2432), CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447),
162 CHAN2G(9, 2452), CHAN2G(10, 2457), CHAN2G(11, 2462), CHAN2G(12, 2467),
163 CHAN2G(13, 2472), CHAN2G(14, 2484)
164};
165
166static struct ieee80211_channel __wl_5ghz_channels[] = {
167 CHAN5G(34), CHAN5G(36), CHAN5G(38), CHAN5G(40), CHAN5G(42),
168 CHAN5G(44), CHAN5G(46), CHAN5G(48), CHAN5G(52), CHAN5G(56),
169 CHAN5G(60), CHAN5G(64), CHAN5G(100), CHAN5G(104), CHAN5G(108),
170 CHAN5G(112), CHAN5G(116), CHAN5G(120), CHAN5G(124), CHAN5G(128),
171 CHAN5G(132), CHAN5G(136), CHAN5G(140), CHAN5G(144), CHAN5G(149),
172 CHAN5G(153), CHAN5G(157), CHAN5G(161), CHAN5G(165)
173};
5b435de0 174
b48d8916 175/* Band templates duplicated per wiphy. The channel info
58de92d2 176 * above is added to the band during setup.
b48d8916
AS		 177 */
178static const struct ieee80211_supported_band __wl_band_2ghz = {
5b435de0 179 .band = IEEE80211_BAND_2GHZ,
5b435de0
AS		 180 .bitrates = wl_g_rates,
181 .n_bitrates = wl_g_rates_size,
182};
183
58de92d2 184static const struct ieee80211_supported_band __wl_band_5ghz = {
5b435de0 185 .band = IEEE80211_BAND_5GHZ,
5b435de0
AS		 186 .bitrates = wl_a_rates,
187 .n_bitrates = wl_a_rates_size,
188};
189
d48200ba
HM		 190/* This is to override regulatory domains defined in cfg80211 module (reg.c)
191 * By default world regulatory domain defined in reg.c puts the flags
8fe02e16
LR		 192 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
193 * With respect to these flags, wpa_supplicant doesn't * start p2p
194 * operations on 5GHz channels. All the changes in world regulatory
d48200ba
HM		 195 * domain are to be done here.
196 */
197static const struct ieee80211_regdomain brcmf_regdom = {
198 .n_reg_rules = 4,
199 .alpha2 = "99",
200 .reg_rules = {
201 /* IEEE 802.11b/g, channels 1..11 */
202 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
203 /* If any */
204 /* IEEE 802.11 channel 14 - Only JP enables
205 * this and for 802.11b only
206 */
207 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
208 /* IEEE 802.11a, channel 36..64 */
c555ecde 209 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
d48200ba 210 /* IEEE 802.11a, channel 100..165 */
c555ecde 211 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
5b435de0
AS		 212};
213
214static const u32 __wl_cipher_suites[] = {
215 WLAN_CIPHER_SUITE_WEP40,
216 WLAN_CIPHER_SUITE_WEP104,
217 WLAN_CIPHER_SUITE_TKIP,
218 WLAN_CIPHER_SUITE_CCMP,
219 WLAN_CIPHER_SUITE_AES_CMAC,
220};
221
1a873342
HM		 222/* Vendor specific ie. id = 221, oui and type defines exact ie */
223struct brcmf_vs_tlv {
224 u8 id;
225 u8 len;
226 u8 oui[3];
227 u8 oui_type;
228};
229
230struct parsed_vndr_ie_info {
231 u8 *ie_ptr;
232 u32 ie_len; /* total length including id & length field */
233 struct brcmf_vs_tlv vndrie;
234};
235
236struct parsed_vndr_ies {
237 u32 count;
9f440b7b 238 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
1a873342
HM		 239};
240
5a394eba
AS		 241static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
242 struct cfg80211_chan_def *ch)
600a897d
AS		 243{
244 struct brcmu_chan ch_inf;
245 s32 primary_offset;
246
247 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
248 ch->chan->center_freq, ch->center_freq1, ch->width);
249 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
36e8072e 250 primary_offset = ch->chan->center_freq - ch->center_freq1;
600a897d
AS		 251 switch (ch->width) {
252 case NL80211_CHAN_WIDTH_20:
0cd75b19 253 case NL80211_CHAN_WIDTH_20_NOHT:
600a897d
AS		 254 ch_inf.bw = BRCMU_CHAN_BW_20;
255 WARN_ON(primary_offset != 0);
256 break;
257 case NL80211_CHAN_WIDTH_40:
258 ch_inf.bw = BRCMU_CHAN_BW_40;
36e8072e 259 if (primary_offset > 0)
600a897d
AS		 260 ch_inf.sb = BRCMU_CHAN_SB_U;
261 else
262 ch_inf.sb = BRCMU_CHAN_SB_L;
263 break;
264 case NL80211_CHAN_WIDTH_80:
265 ch_inf.bw = BRCMU_CHAN_BW_80;
36e8072e
RM		 266 if (primary_offset == -30)
267 ch_inf.sb = BRCMU_CHAN_SB_LL;
268 else if (primary_offset == -10)
269 ch_inf.sb = BRCMU_CHAN_SB_LU;
270 else if (primary_offset == 10)
271 ch_inf.sb = BRCMU_CHAN_SB_UL;
272 else
273 ch_inf.sb = BRCMU_CHAN_SB_UU;
600a897d 274 break;
0cd75b19
AS		 275 case NL80211_CHAN_WIDTH_80P80:
276 case NL80211_CHAN_WIDTH_160:
277 case NL80211_CHAN_WIDTH_5:
278 case NL80211_CHAN_WIDTH_10:
600a897d
AS		 279 default:
280 WARN_ON_ONCE(1);
281 }
282 switch (ch->chan->band) {
283 case IEEE80211_BAND_2GHZ:
284 ch_inf.band = BRCMU_CHAN_BAND_2G;
285 break;
286 case IEEE80211_BAND_5GHZ:
287 ch_inf.band = BRCMU_CHAN_BAND_5G;
288 break;
0cd75b19 289 case IEEE80211_BAND_60GHZ:
600a897d
AS		 290 default:
291 WARN_ON_ONCE(1);
292 }
293 d11inf->encchspec(&ch_inf);
294
295 return ch_inf.chspec;
296}
297
83cf17aa
FL		 298u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
299 struct ieee80211_channel *ch)
6e186166 300{
83cf17aa 301 struct brcmu_chan ch_inf;
6e186166 302
83cf17aa
FL		 303 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
304 ch_inf.bw = BRCMU_CHAN_BW_20;
305 d11inf->encchspec(&ch_inf);
6e186166 306
83cf17aa 307 return ch_inf.chspec;
6e186166
AS		 308}
309
89286dc9
HM		 310/* Traverse a string of 1-byte tag/1-byte length/variable-length value
311 * triples, returning a pointer to the substring whose first element
312 * matches tag
313 */
4b5800fe
JB		 314const struct brcmf_tlv *
315brcmf_parse_tlvs(const void *buf, int buflen, uint key)
89286dc9 316{
4b5800fe
JB		 317 const struct brcmf_tlv *elt = buf;
318 int totlen = buflen;
89286dc9
HM		 319
320 /* find tagged parameter */
321 while (totlen >= TLV_HDR_LEN) {
322 int len = elt->len;
323
324 /* validate remaining totlen */
325 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
326 return elt;
327
328 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
329 totlen -= (len + TLV_HDR_LEN);
330 }
331
332 return NULL;
333}
334
335/* Is any of the tlvs the expected entry? If
336 * not update the tlvs buffer pointer/length.
337 */
338static bool
4b5800fe
JB		 339brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
340 const u8 *oui, u32 oui_len, u8 type)
89286dc9
HM		 341{
342 /* If the contents match the OUI and the type */
343 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
344 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
345 type == ie[TLV_BODY_OFF + oui_len]) {
346 return true;
347 }
348
349 if (tlvs == NULL)
350 return false;
351 /* point to the next ie */
352 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
353 /* calculate the length of the rest of the buffer */
354 *tlvs_len -= (int)(ie - *tlvs);
355 /* update the pointer to the start of the buffer */
356 *tlvs = ie;
357
358 return false;
359}
360
361static struct brcmf_vs_tlv *
4b5800fe 362brcmf_find_wpaie(const u8 *parse, u32 len)
89286dc9 363{
4b5800fe 364 const struct brcmf_tlv *ie;
89286dc9
HM		 365
366 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
4b5800fe 367 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
89286dc9
HM		 368 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
369 return (struct brcmf_vs_tlv *)ie;
370 }
371 return NULL;
372}
373
374static struct brcmf_vs_tlv *
4b5800fe 375brcmf_find_wpsie(const u8 *parse, u32 len)
89286dc9 376{
4b5800fe 377 const struct brcmf_tlv *ie;
89286dc9
HM		 378
379 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
380 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
381 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
382 return (struct brcmf_vs_tlv *)ie;
383 }
384 return NULL;
385}
386
39504a2d
AS		 387static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg,
388 struct brcmf_cfg80211_vif *vif,
389 enum nl80211_iftype new_type)
390{
391 int iftype_num[NUM_NL80211_IFTYPES];
392 struct brcmf_cfg80211_vif *pos;
353c46ac
AS		 393 bool check_combos = false;
394 int ret = 0;
39504a2d
AS		 395
396 memset(&iftype_num[0], 0, sizeof(iftype_num));
397 list_for_each_entry(pos, &cfg->vif_list, list)
353c46ac 398 if (pos == vif) {
39504a2d 399 iftype_num[new_type]++;
353c46ac
AS		 400 } else {
401 /* concurrent interfaces so need check combinations */
402 check_combos = true;
39504a2d 403 iftype_num[pos->wdev.iftype]++;
353c46ac
AS		 404 }
405
406 if (check_combos)
407 ret = cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num);
39504a2d 408
353c46ac 409 return ret;
39504a2d
AS		 410}
411
412static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg,
413 enum nl80211_iftype new_type)
414{
415 int iftype_num[NUM_NL80211_IFTYPES];
416 struct brcmf_cfg80211_vif *pos;
417
418 memset(&iftype_num[0], 0, sizeof(iftype_num));
419 list_for_each_entry(pos, &cfg->vif_list, list)
420 iftype_num[pos->wdev.iftype]++;
421
422 iftype_num[new_type]++;
423 return cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num);
424}
89286dc9 425
5b435de0
AS		 426static void convert_key_from_CPU(struct brcmf_wsec_key *key,
427 struct brcmf_wsec_key_le *key_le)
428{
429 key_le->index = cpu_to_le32(key->index);
430 key_le->len = cpu_to_le32(key->len);
431 key_le->algo = cpu_to_le32(key->algo);
432 key_le->flags = cpu_to_le32(key->flags);
433 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
434 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
435 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
436 memcpy(key_le->data, key->data, sizeof(key->data));
437 memcpy(key_le->ea, key->ea, sizeof(key->ea));
438}
439
f09d0c02 440static int
118eb304 441send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key)
5b435de0
AS		 442{
443 int err;
444 struct brcmf_wsec_key_le key_le;
445
446 convert_key_from_CPU(key, &key_le);
f09d0c02 447
118eb304 448 brcmf_netdev_wait_pend8021x(ifp);
81f5dcb8 449
118eb304 450 err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le,
81f5dcb8 451 sizeof(key_le));
f09d0c02 452
5b435de0 453 if (err)
57d6e91a 454 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 455 return err;
456}
457
b3657453
HM		 458static s32
459brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
460{
461 s32 err;
462 u32 mode;
463
464 if (enable)
465 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
466 else
467 mode = 0;
468
469 /* Try to set and enable ARP offload feature, this may fail, then it */
470 /* is simply not supported and err 0 will be returned */
471 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
472 if (err) {
473 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
474 mode, err);
475 err = 0;
476 } else {
477 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
478 if (err) {
479 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
480 enable, err);
481 err = 0;
482 } else
483 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
484 enable, mode);
485 }
486
487 return err;
488}
489
8851cce0
HM		 490static void
491brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
492{
8f2b4597
AS		 493 struct brcmf_cfg80211_vif *vif;
494 struct brcmf_if *ifp;
495
496 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
497 ifp = vif->ifp;
8851cce0
HM		 498
499 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
500 (wdev->iftype == NL80211_IFTYPE_AP) ||
501 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
502 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
503 ADDR_DIRECT);
504 else
505 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
506 ADDR_INDIRECT);
507}
508
a44aa400
HM		 509static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp)
510{
511 struct brcmf_mbss_ssid_le mbss_ssid_le;
512 int bsscfgidx;
513 int err;
514
515 memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le));
516 bsscfgidx = brcmf_get_next_free_bsscfgidx(ifp->drvr);
517 if (bsscfgidx < 0)
518 return bsscfgidx;
519
520 mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx);
521 mbss_ssid_le.SSID_len = cpu_to_le32(5);
522 sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx);
523
524 err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le,
525 sizeof(mbss_ssid_le));
526 if (err < 0)
527 brcmf_err("setting ssid failed %d\n", err);
528
529 return err;
530}
531
532/**
533 * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS
534 *
535 * @wiphy: wiphy device of new interface.
536 * @name: name of the new interface.
537 * @flags: not used.
538 * @params: contains mac address for AP device.
539 */
540static
541struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name,
542 u32 *flags, struct vif_params *params)
543{
544 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
545 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
546 struct brcmf_cfg80211_vif *vif;
547 int err;
548
549 if (brcmf_cfg80211_vif_event_armed(cfg))
550 return ERR_PTR(-EBUSY);
551
552 brcmf_dbg(INFO, "Adding vif \"%s\"\n", name);
553
554 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false);
555 if (IS_ERR(vif))
556 return (struct wireless_dev *)vif;
557
558 brcmf_cfg80211_arm_vif_event(cfg, vif);
559
560 err = brcmf_cfg80211_request_ap_if(ifp);
561 if (err) {
562 brcmf_cfg80211_arm_vif_event(cfg, NULL);
563 goto fail;
564 }
565
566 /* wait for firmware event */
a9eb0c4b
AS		 567 err = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_ADD,
568 BRCMF_VIF_EVENT_TIMEOUT);
a44aa400
HM		 569 brcmf_cfg80211_arm_vif_event(cfg, NULL);
570 if (!err) {
571 brcmf_err("timeout occurred\n");
572 err = -EIO;
573 goto fail;
574 }
575
576 /* interface created in firmware */
577 ifp = vif->ifp;
578 if (!ifp) {
579 brcmf_err("no if pointer provided\n");
580 err = -ENOENT;
581 goto fail;
582 }
583
584 strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
585 err = brcmf_net_attach(ifp, true);
586 if (err) {
587 brcmf_err("Registering netdevice failed\n");
588 goto fail;
589 }
590
591 return &ifp->vif->wdev;
592
593fail:
594 brcmf_free_vif(vif);
595 return ERR_PTR(err);
596}
597
967fe2c8
AS		 598static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
599{
600 enum nl80211_iftype iftype;
601
602 iftype = vif->wdev.iftype;
603 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
604}
605
606static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
607{
608 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
609}
610
9f440b7b
AS		 611static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
612 const char *name,
6bab2e19 613 unsigned char name_assign_type,
9f440b7b
AS		 614 enum nl80211_iftype type,
615 u32 *flags,
616 struct vif_params *params)
617{
8851cce0 618 struct wireless_dev *wdev;
39504a2d 619 int err;
8851cce0 620
9f440b7b 621 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
39504a2d
AS		 622 err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type);
623 if (err) {
624 brcmf_err("iface validation failed: err=%d\n", err);
625 return ERR_PTR(err);
626 }
9f440b7b
AS		 627 switch (type) {
628 case NL80211_IFTYPE_ADHOC:
629 case NL80211_IFTYPE_STATION:
9f440b7b
AS		 630 case NL80211_IFTYPE_AP_VLAN:
631 case NL80211_IFTYPE_WDS:
632 case NL80211_IFTYPE_MONITOR:
633 case NL80211_IFTYPE_MESH_POINT:
634 return ERR_PTR(-EOPNOTSUPP);
a44aa400
HM		 635 case NL80211_IFTYPE_AP:
636 wdev = brcmf_ap_add_vif(wiphy, name, flags, params);
637 if (!IS_ERR(wdev))
638 brcmf_cfg80211_update_proto_addr_mode(wdev);
639 return wdev;
9f440b7b
AS		 640 case NL80211_IFTYPE_P2P_CLIENT:
641 case NL80211_IFTYPE_P2P_GO:
27f10e38 642 case NL80211_IFTYPE_P2P_DEVICE:
6bab2e19 643 wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, flags, params);
8851cce0
HM		 644 if (!IS_ERR(wdev))
645 brcmf_cfg80211_update_proto_addr_mode(wdev);
646 return wdev;
9f440b7b 647 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 648 default:
649 return ERR_PTR(-EINVAL);
650 }
651}
652
5e787f75
DK		 653static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
654{
c08437b4 655 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
5e787f75
DK		 656 brcmf_set_mpc(ifp, mpc);
657}
658
f96aa07e 659void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
5f4f9f11 660{
5f4f9f11
AS		 661 s32 err = 0;
662
663 if (check_vif_up(ifp->vif)) {
664 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
665 if (err) {
666 brcmf_err("fail to set mpc\n");
667 return;
668 }
669 brcmf_dbg(INFO, "MPC : %d\n", mpc);
670 }
671}
672
a0f472ac
AS		 673s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
674 struct brcmf_if *ifp, bool aborted,
675 bool fw_abort)
5f4f9f11
AS		 676{
677 struct brcmf_scan_params_le params_le;
678 struct cfg80211_scan_request *scan_request;
679 s32 err = 0;
680
681 brcmf_dbg(SCAN, "Enter\n");
682
683 /* clear scan request, because the FW abort can cause a second call */
684 /* to this functon and might cause a double cfg80211_scan_done */
685 scan_request = cfg->scan_request;
686 cfg->scan_request = NULL;
687
688 if (timer_pending(&cfg->escan_timeout))
689 del_timer_sync(&cfg->escan_timeout);
690
691 if (fw_abort) {
692 /* Do a scan abort to stop the driver's scan engine */
693 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
694 memset(&params_le, 0, sizeof(params_le));
93803b33 695 eth_broadcast_addr(params_le.bssid);
5f4f9f11
AS		 696 params_le.bss_type = DOT11_BSSTYPE_ANY;
697 params_le.scan_type = 0;
698 params_le.channel_num = cpu_to_le32(1);
699 params_le.nprobes = cpu_to_le32(1);
700 params_le.active_time = cpu_to_le32(-1);
701 params_le.passive_time = cpu_to_le32(-1);
702 params_le.home_time = cpu_to_le32(-1);
703 /* Scan is aborted by setting channel_list[0] to -1 */
704 params_le.channel_list[0] = cpu_to_le16(-1);
705 /* E-Scan (or anyother type) can be aborted by SCAN */
f96aa07e 706 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
5f4f9f11
AS		 707 &params_le, sizeof(params_le));
708 if (err)
709 brcmf_err("Scan abort failed\n");
710 }
0f0fe990 711
5e787f75 712 brcmf_scan_config_mpc(ifp, 1);
0f0fe990 713
5f4f9f11
AS		 714 /*
715 * e-scan can be initiated by scheduled scan
716 * which takes precedence.
717 */
718 if (cfg->sched_escan) {
719 brcmf_dbg(SCAN, "scheduled scan completed\n");
720 cfg->sched_escan = false;
721 if (!aborted)
722 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
5f4f9f11
AS		 723 } else if (scan_request) {
724 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
725 aborted ? "Aborted" : "Done");
726 cfg80211_scan_done(scan_request, aborted);
5f4f9f11 727 }
6eda4e2c
HM		 728 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
729 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
5f4f9f11
AS		 730
731 return err;
732}
733
9f440b7b
AS		 734static
735int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
736{
5f4f9f11
AS		 737 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
738 struct net_device *ndev = wdev->netdev;
739
740 /* vif event pending in firmware */
741 if (brcmf_cfg80211_vif_event_armed(cfg))
742 return -EBUSY;
743
744 if (ndev) {
745 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
a0f472ac
AS		 746 cfg->escan_info.ifp == netdev_priv(ndev))
747 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
748 true, true);
5f4f9f11
AS		 749
750 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
751 }
752
9f440b7b
AS		 753 switch (wdev->iftype) {
754 case NL80211_IFTYPE_ADHOC:
755 case NL80211_IFTYPE_STATION:
756 case NL80211_IFTYPE_AP:
757 case NL80211_IFTYPE_AP_VLAN:
758 case NL80211_IFTYPE_WDS:
759 case NL80211_IFTYPE_MONITOR:
760 case NL80211_IFTYPE_MESH_POINT:
761 return -EOPNOTSUPP;
762 case NL80211_IFTYPE_P2P_CLIENT:
763 case NL80211_IFTYPE_P2P_GO:
27f10e38 764 case NL80211_IFTYPE_P2P_DEVICE:
9f440b7b
AS		 765 return brcmf_p2p_del_vif(wiphy, wdev);
766 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 767 default:
768 return -EINVAL;
769 }
770 return -EOPNOTSUPP;
771}
772
5b435de0
AS		 773static s32
774brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
775 enum nl80211_iftype type, u32 *flags,
776 struct vif_params *params)
777{
7a5c1f64 778 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
c1179033 779 struct brcmf_if *ifp = netdev_priv(ndev);
128ce3b6 780 struct brcmf_cfg80211_vif *vif = ifp->vif;
5b435de0 781 s32 infra = 0;
1a873342 782 s32 ap = 0;
5b435de0
AS		 783 s32 err = 0;
784
37a869ec
HM		 785 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, type=%d\n", ifp->bsscfgidx,
786 type);
178e9ef9
HM		 787
788 /* WAR: There are a number of p2p interface related problems which
789 * need to be handled initially (before doing the validate).
790 * wpa_supplicant tends to do iface changes on p2p device/client/go
791 * which are not always possible/allowed. However we need to return
792 * OK otherwise the wpa_supplicant wont start. The situation differs
793 * on configuration and setup (p2pon=1 module param). The first check
794 * is to see if the request is a change to station for p2p iface.
795 */
796 if ((type == NL80211_IFTYPE_STATION) &&
797 ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
798 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) ||
799 (vif->wdev.iftype == NL80211_IFTYPE_P2P_DEVICE))) {
800 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
801 /* Now depending on whether module param p2pon=1 was used the
802 * response needs to be either 0 or EOPNOTSUPP. The reason is
803 * that if p2pon=1 is used, but a newer supplicant is used then
804 * we should return an error, as this combination wont work.
805 * In other situations 0 is returned and supplicant will start
806 * normally. It will give a trace in cfg80211, but it is the
807 * only way to get it working. Unfortunately this will result
808 * in situation where we wont support new supplicant in
809 * combination with module param p2pon=1, but that is the way
810 * it is. If the user tries this then unloading of driver might
811 * fail/lock.
812 */
813 if (cfg->p2p.p2pdev_dynamically)
814 return -EOPNOTSUPP;
815 else
816 return 0;
817 }
39504a2d
AS		 818 err = brcmf_vif_change_validate(wiphy_to_cfg(wiphy), vif, type);
819 if (err) {
820 brcmf_err("iface validation failed: err=%d\n", err);
821 return err;
822 }
5b435de0
AS		 823 switch (type) {
824 case NL80211_IFTYPE_MONITOR:
825 case NL80211_IFTYPE_WDS:
57d6e91a
AS		 826 brcmf_err("type (%d) : currently we do not support this type\n",
827 type);
5b435de0
AS		 828 return -EOPNOTSUPP;
829 case NL80211_IFTYPE_ADHOC:
5b435de0
AS		 830 infra = 0;
831 break;
832 case NL80211_IFTYPE_STATION:
5b435de0
AS		 833 infra = 1;
834 break;
1a873342 835 case NL80211_IFTYPE_AP:
7a5c1f64 836 case NL80211_IFTYPE_P2P_GO:
1a873342
HM		 837 ap = 1;
838 break;
5b435de0
AS		 839 default:
840 err = -EINVAL;
841 goto done;
842 }
843
1a873342 844 if (ap) {
7a5c1f64
HM		 845 if (type == NL80211_IFTYPE_P2P_GO) {
846 brcmf_dbg(INFO, "IF Type = P2P GO\n");
847 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
848 }
849 if (!err) {
7a5c1f64
HM		 850 brcmf_dbg(INFO, "IF Type = AP\n");
851 }
5b435de0 852 } else {
128ce3b6 853 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
1a873342 854 if (err) {
57d6e91a 855 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
1a873342
HM		 856 err = -EAGAIN;
857 goto done;
858 }
967fe2c8 859 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
647c9ae0 860 "Adhoc" : "Infra");
5b435de0 861 }
1a873342 862 ndev->ieee80211_ptr->iftype = type;
5b435de0 863
8851cce0
HM		 864 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
865
5b435de0 866done:
d96b801f 867 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 868
869 return err;
870}
871
83cf17aa
FL		 872static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
873 struct brcmf_scan_params_le *params_le,
e756af5b
HM		 874 struct cfg80211_scan_request *request)
875{
876 u32 n_ssids;
877 u32 n_channels;
878 s32 i;
879 s32 offset;
029591f3 880 u16 chanspec;
e756af5b 881 char *ptr;
029591f3 882 struct brcmf_ssid_le ssid_le;
e756af5b 883
93803b33 884 eth_broadcast_addr(params_le->bssid);
e756af5b
HM		 885 params_le->bss_type = DOT11_BSSTYPE_ANY;
886 params_le->scan_type = 0;
887 params_le->channel_num = 0;
888 params_le->nprobes = cpu_to_le32(-1);
889 params_le->active_time = cpu_to_le32(-1);
890 params_le->passive_time = cpu_to_le32(-1);
891 params_le->home_time = cpu_to_le32(-1);
892 memset(&params_le->ssid_le, 0, sizeof(params_le->ssid_le));
893
894 /* if request is null exit so it will be all channel broadcast scan */
895 if (!request)
896 return;
897
898 n_ssids = request->n_ssids;
899 n_channels = request->n_channels;
900 /* Copy channel array if applicable */
4e8a008e
AS		 901 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
902 n_channels);
e756af5b
HM		 903 if (n_channels > 0) {
904 for (i = 0; i < n_channels; i++) {
83cf17aa
FL		 905 chanspec = channel_to_chanspec(&cfg->d11inf,
906 request->channels[i]);
4e8a008e
AS		 907 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
908 request->channels[i]->hw_value, chanspec);
029591f3 909 params_le->channel_list[i] = cpu_to_le16(chanspec);
e756af5b
HM		 910 }
911 } else {
4e8a008e 912 brcmf_dbg(SCAN, "Scanning all channels\n");
e756af5b
HM		 913 }
914 /* Copy ssid array if applicable */
4e8a008e 915 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
e756af5b
HM		 916 if (n_ssids > 0) {
917 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
918 n_channels * sizeof(u16);
919 offset = roundup(offset, sizeof(u32));
920 ptr = (char *)params_le + offset;
921 for (i = 0; i < n_ssids; i++) {
029591f3
AS		 922 memset(&ssid_le, 0, sizeof(ssid_le));
923 ssid_le.SSID_len =
924 cpu_to_le32(request->ssids[i].ssid_len);
925 memcpy(ssid_le.SSID, request->ssids[i].ssid,
926 request->ssids[i].ssid_len);
927 if (!ssid_le.SSID_len)
4e8a008e 928 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
e756af5b 929 else
4e8a008e
AS		 930 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
931 i, ssid_le.SSID, ssid_le.SSID_len);
029591f3
AS		 932 memcpy(ptr, &ssid_le, sizeof(ssid_le));
933 ptr += sizeof(ssid_le);
e756af5b
HM		 934 }
935 } else {
4e8a008e 936 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
e756af5b 937 if ((request->ssids) && request->ssids->ssid_len) {
4e8a008e
AS		 938 brcmf_dbg(SCAN, "SSID %s len=%d\n",
939 params_le->ssid_le.SSID,
940 request->ssids->ssid_len);
e756af5b
HM		 941 params_le->ssid_le.SSID_len =
942 cpu_to_le32(request->ssids->ssid_len);
943 memcpy(&params_le->ssid_le.SSID, request->ssids->ssid,
944 request->ssids->ssid_len);
945 }
946 }
947 /* Adding mask to channel numbers */
948 params_le->channel_num =
949 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
950 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
951}
952
e756af5b 953static s32
a0f472ac 954brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
c4958106 955 struct cfg80211_scan_request *request)
e756af5b
HM		 956{
957 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
958 offsetof(struct brcmf_escan_params_le, params_le);
959 struct brcmf_escan_params_le *params;
960 s32 err = 0;
961
4e8a008e 962 brcmf_dbg(SCAN, "E-SCAN START\n");
e756af5b
HM		 963
964 if (request != NULL) {
965 /* Allocate space for populating ssids in struct */
966 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
967
968 /* Allocate space for populating ssids in struct */
e9a6ca82 969 params_size += sizeof(struct brcmf_ssid_le) * request->n_ssids;
e756af5b
HM		 970 }
971
972 params = kzalloc(params_size, GFP_KERNEL);
973 if (!params) {
974 err = -ENOMEM;
975 goto exit;
976 }
977 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
83cf17aa 978 brcmf_escan_prep(cfg, &params->params_le, request);
e756af5b 979 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
c4958106 980 params->action = cpu_to_le16(WL_ESCAN_ACTION_START);
e756af5b
HM		 981 params->sync_id = cpu_to_le16(0x1234);
982
a0f472ac 983 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
e756af5b
HM		 984 if (err) {
985 if (err == -EBUSY)
647c9ae0 986 brcmf_dbg(INFO, "system busy : escan canceled\n");
e756af5b 987 else
57d6e91a 988 brcmf_err("error (%d)\n", err);
e756af5b
HM		 989 }
990
991 kfree(params);
992exit:
993 return err;
994}
995
996static s32
27a68fe3 997brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
a0f472ac 998 struct brcmf_if *ifp, struct cfg80211_scan_request *request)
e756af5b
HM		 999{
1000 s32 err;
81f5dcb8 1001 u32 passive_scan;
e756af5b 1002 struct brcmf_scan_results *results;
9f440b7b 1003 struct escan_info *escan = &cfg->escan_info;
e756af5b 1004
4e8a008e 1005 brcmf_dbg(SCAN, "Enter\n");
a0f472ac 1006 escan->ifp = ifp;
9f440b7b
AS		 1007 escan->wiphy = wiphy;
1008 escan->escan_state = WL_ESCAN_STATE_SCANNING;
81f5dcb8 1009 passive_scan = cfg->active_scan ? 0 : 1;
f96aa07e 1010 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 1011 passive_scan);
e756af5b 1012 if (err) {
57d6e91a 1013 brcmf_err("error (%d)\n", err);
e756af5b
HM		 1014 return err;
1015 }
5e787f75 1016 brcmf_scan_config_mpc(ifp, 0);
27a68fe3 1017 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
e756af5b
HM		 1018 results->version = 0;
1019 results->count = 0;
1020 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
1021
c4958106 1022 err = escan->run(cfg, ifp, request);
e756af5b 1023 if (err)
5e787f75 1024 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1025 return err;
1026}
1027
1028static s32
a0f472ac 1029brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
e756af5b
HM		 1030 struct cfg80211_scan_request *request,
1031 struct cfg80211_ssid *this_ssid)
1032{
a0f472ac
AS		 1033 struct brcmf_if *ifp = vif->ifp;
1034 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e756af5b 1035 struct cfg80211_ssid *ssids;
81f5dcb8 1036 u32 passive_scan;
e756af5b
HM		 1037 bool escan_req;
1038 bool spec_scan;
1039 s32 err;
675f5d82 1040 struct brcmf_ssid_le ssid_le;
e756af5b
HM		 1041 u32 SSID_len;
1042
4e8a008e 1043 brcmf_dbg(SCAN, "START ESCAN\n");
e756af5b 1044
c1179033 1045 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 1046 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e756af5b
HM		 1047 return -EAGAIN;
1048 }
c1179033 1049 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
57d6e91a
AS		 1050 brcmf_err("Scanning being aborted: status (%lu)\n",
1051 cfg->scan_status);
e756af5b
HM		 1052 return -EAGAIN;
1053 }
1687eee2
AS		 1054 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
1055 brcmf_err("Scanning suppressed: status (%lu)\n",
1056 cfg->scan_status);
1057 return -EAGAIN;
1058 }
c1179033 1059 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
57d6e91a 1060 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
e756af5b
HM		 1061 return -EAGAIN;
1062 }
1063
0f8ffe17 1064 /* If scan req comes for p2p0, send it over primary I/F */
a0f472ac
AS		 1065 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
1066 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
0f8ffe17 1067
e756af5b
HM		 1068 escan_req = false;
1069 if (request) {
1070 /* scan bss */
1071 ssids = request->ssids;
1072 escan_req = true;
1073 } else {
1074 /* scan in ibss */
1075 /* we don't do escan in ibss */
1076 ssids = this_ssid;
1077 }
1078
27a68fe3 1079 cfg->scan_request = request;
c1179033 1080 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e756af5b 1081 if (escan_req) {
9f440b7b 1082 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 1083 err = brcmf_p2p_scan_prep(wiphy, request, vif);
9f440b7b
AS		 1084 if (err)
1085 goto scan_out;
1086
a0f472ac 1087 err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
2cb941c0 1088 if (err)
e756af5b
HM		 1089 goto scan_out;
1090 } else {
4e8a008e
AS		 1091 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
1092 ssids->ssid, ssids->ssid_len);
675f5d82
HM		 1093 memset(&ssid_le, 0, sizeof(ssid_le));
1094 SSID_len = min_t(u8, sizeof(ssid_le.SSID), ssids->ssid_len);
1095 ssid_le.SSID_len = cpu_to_le32(0);
e756af5b
HM		 1096 spec_scan = false;
1097 if (SSID_len) {
675f5d82
HM		 1098 memcpy(ssid_le.SSID, ssids->ssid, SSID_len);
1099 ssid_le.SSID_len = cpu_to_le32(SSID_len);
e756af5b
HM		 1100 spec_scan = true;
1101 } else
4e8a008e 1102 brcmf_dbg(SCAN, "Broadcast scan\n");
e756af5b 1103
81f5dcb8 1104 passive_scan = cfg->active_scan ? 0 : 1;
c1179033 1105 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 1106 passive_scan);
e756af5b 1107 if (err) {
57d6e91a 1108 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
e756af5b
HM		 1109 goto scan_out;
1110 }
5e787f75 1111 brcmf_scan_config_mpc(ifp, 0);
675f5d82
HM		 1112 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, &ssid_le,
1113 sizeof(ssid_le));
e756af5b
HM		 1114 if (err) {
1115 if (err == -EBUSY)
647c9ae0 1116 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
675f5d82 1117 ssid_le.SSID);
e756af5b 1118 else
57d6e91a 1119 brcmf_err("WLC_SCAN error (%d)\n", err);
e756af5b 1120
5e787f75 1121 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1122 goto scan_out;
1123 }
1124 }
1125
661fa95d
HM		 1126 /* Arm scan timeout timer */
1127 mod_timer(&cfg->escan_timeout, jiffies +
d5367334 1128 BRCMF_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
661fa95d 1129
e756af5b
HM		 1130 return 0;
1131
1132scan_out:
c1179033 1133 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
27a68fe3 1134 cfg->scan_request = NULL;
e756af5b
HM		 1135 return err;
1136}
1137
5b435de0 1138static s32
0abb5f21 1139brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
5b435de0 1140{
a0f472ac 1141 struct brcmf_cfg80211_vif *vif;
5b435de0
AS		 1142 s32 err = 0;
1143
d96b801f 1144 brcmf_dbg(TRACE, "Enter\n");
a0f472ac
AS		 1145 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1146 if (!check_vif_up(vif))
5b435de0
AS		 1147 return -EIO;
1148
a0f472ac 1149 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
e756af5b 1150
5b435de0 1151 if (err)
57d6e91a 1152 brcmf_err("scan error (%d)\n", err);
5b435de0 1153
d96b801f 1154 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1155 return err;
1156}
1157
1158static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1159{
1160 s32 err = 0;
1161
ac24be6f
AS		 1162 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1163 rts_threshold);
5b435de0 1164 if (err)
57d6e91a 1165 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1166
1167 return err;
1168}
1169
1170static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1171{
1172 s32 err = 0;
1173
ac24be6f
AS		 1174 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1175 frag_threshold);
5b435de0 1176 if (err)
57d6e91a 1177 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1178
1179 return err;
1180}
1181
1182static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1183{
1184 s32 err = 0;
b87e2c48 1185 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
5b435de0 1186
ac24be6f 1187 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
5b435de0 1188 if (err) {
57d6e91a 1189 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
5b435de0
AS		 1190 return err;
1191 }
1192 return err;
1193}
1194
1195static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1196{
27a68fe3
AS		 1197 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1198 struct net_device *ndev = cfg_to_ndev(cfg);
0abb5f21 1199 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1200 s32 err = 0;
1201
d96b801f 1202 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1203 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1204 return -EIO;
1205
1206 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
27a68fe3
AS		 1207 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1208 cfg->conf->rts_threshold = wiphy->rts_threshold;
1209 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
5b435de0
AS		 1210 if (!err)
1211 goto done;
1212 }
1213 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
27a68fe3
AS		 1214 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1215 cfg->conf->frag_threshold = wiphy->frag_threshold;
1216 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
5b435de0
AS		 1217 if (!err)
1218 goto done;
1219 }
1220 if (changed & WIPHY_PARAM_RETRY_LONG
27a68fe3
AS		 1221 && (cfg->conf->retry_long != wiphy->retry_long)) {
1222 cfg->conf->retry_long = wiphy->retry_long;
1223 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
5b435de0
AS		 1224 if (!err)
1225 goto done;
1226 }
1227 if (changed & WIPHY_PARAM_RETRY_SHORT
27a68fe3
AS		 1228 && (cfg->conf->retry_short != wiphy->retry_short)) {
1229 cfg->conf->retry_short = wiphy->retry_short;
1230 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
5b435de0
AS		 1231 if (!err)
1232 goto done;
1233 }
1234
1235done:
d96b801f 1236 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1237 return err;
1238}
1239
5b435de0
AS		 1240static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1241{
1242 memset(prof, 0, sizeof(*prof));
1243}
1244
9b7a0ddc
AS		 1245static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e)
1246{
1247 u16 reason;
1248
1249 switch (e->event_code) {
1250 case BRCMF_E_DEAUTH:
1251 case BRCMF_E_DEAUTH_IND:
1252 case BRCMF_E_DISASSOC_IND:
1253 reason = e->reason;
1254 break;
1255 case BRCMF_E_LINK:
1256 default:
1257 reason = 0;
1258 break;
1259 }
1260 return reason;
1261}
1262
1263static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason)
5b435de0 1264{
61730d4d 1265 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
5b435de0
AS		 1266 s32 err = 0;
1267
d96b801f 1268 brcmf_dbg(TRACE, "Enter\n");
5b435de0 1269
b0a79088 1270 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
647c9ae0 1271 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
903e0eee 1272 err = brcmf_fil_cmd_data_set(vif->ifp,
ac24be6f 1273 BRCMF_C_DISASSOC, NULL, 0);
a538ae31 1274 if (err) {
57d6e91a 1275 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
a538ae31 1276 }
b0a79088
HM		 1277 if ((vif->wdev.iftype == NL80211_IFTYPE_STATION) ||
1278 (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT))
1279 cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0,
1280 true, GFP_KERNEL);
5b435de0 1281 }
903e0eee 1282 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
61730d4d
PH		 1283 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1284 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
d96b801f 1285 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1286}
1287
1288static s32
1289brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1290 struct cfg80211_ibss_params *params)
1291{
27a68fe3 1292 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1293 struct brcmf_if *ifp = netdev_priv(ndev);
1294 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1295 struct brcmf_join_params join_params;
1296 size_t join_params_size = 0;
1297 s32 err = 0;
1298 s32 wsec = 0;
1299 s32 bcnprd;
1701261d 1300 u16 chanspec;
e9a6ca82 1301 u32 ssid_len;
5b435de0 1302
d96b801f 1303 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1304 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1305 return -EIO;
1306
1307 if (params->ssid)
16886735 1308 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
5b435de0 1309 else {
16886735 1310 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
5b435de0
AS		 1311 return -EOPNOTSUPP;
1312 }
1313
c1179033 1314 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1315
1316 if (params->bssid)
16886735 1317 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
5b435de0 1318 else
16886735 1319 brcmf_dbg(CONN, "No BSSID specified\n");
5b435de0 1320
683b6d3b 1321 if (params->chandef.chan)
16886735
AS		 1322 brcmf_dbg(CONN, "channel: %d\n",
1323 params->chandef.chan->center_freq);
5b435de0 1324 else
16886735 1325 brcmf_dbg(CONN, "no channel specified\n");
5b435de0
AS		 1326
1327 if (params->channel_fixed)
16886735 1328 brcmf_dbg(CONN, "fixed channel required\n");
5b435de0 1329 else
16886735 1330 brcmf_dbg(CONN, "no fixed channel required\n");
5b435de0
AS		 1331
1332 if (params->ie && params->ie_len)
16886735 1333 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
5b435de0 1334 else
16886735 1335 brcmf_dbg(CONN, "no ie specified\n");
5b435de0
AS		 1336
1337 if (params->beacon_interval)
16886735
AS		 1338 brcmf_dbg(CONN, "beacon interval: %d\n",
1339 params->beacon_interval);
5b435de0 1340 else
16886735 1341 brcmf_dbg(CONN, "no beacon interval specified\n");
5b435de0
AS		 1342
1343 if (params->basic_rates)
16886735 1344 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
5b435de0 1345 else
16886735 1346 brcmf_dbg(CONN, "no basic rates specified\n");
5b435de0
AS		 1347
1348 if (params->privacy)
16886735 1349 brcmf_dbg(CONN, "privacy required\n");
5b435de0 1350 else
16886735 1351 brcmf_dbg(CONN, "no privacy required\n");
5b435de0
AS		 1352
1353 /* Configure Privacy for starter */
1354 if (params->privacy)
1355 wsec |= WEP_ENABLED;
1356
c1179033 1357 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
5b435de0 1358 if (err) {
57d6e91a 1359 brcmf_err("wsec failed (%d)\n", err);
5b435de0
AS		 1360 goto done;
1361 }
1362
1363 /* Configure Beacon Interval for starter */
1364 if (params->beacon_interval)
1365 bcnprd = params->beacon_interval;
1366 else
1367 bcnprd = 100;
1368
b87e2c48 1369 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
5b435de0 1370 if (err) {
57d6e91a 1371 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
5b435de0
AS		 1372 goto done;
1373 }
1374
1375 /* Configure required join parameter */
1376 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1377
1378 /* SSID */
e9a6ca82
HM		 1379 ssid_len = min_t(u32, params->ssid_len, IEEE80211_MAX_SSID_LEN);
1380 memcpy(join_params.ssid_le.SSID, params->ssid, ssid_len);
1381 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len);
5b435de0 1382 join_params_size = sizeof(join_params.ssid_le);
5b435de0
AS		 1383
1384 /* BSSID */
1385 if (params->bssid) {
1386 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
e9a6ca82 1387 join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE;
6c8c4f72 1388 memcpy(profile->bssid, params->bssid, ETH_ALEN);
5b435de0 1389 } else {
93803b33
JP		 1390 eth_broadcast_addr(join_params.params_le.bssid);
1391 eth_zero_addr(profile->bssid);
5b435de0
AS		 1392 }
1393
5b435de0 1394 /* Channel */
683b6d3b 1395 if (params->chandef.chan) {
5b435de0
AS		 1396 u32 target_channel;
1397
27a68fe3 1398 cfg->channel =
5b435de0 1399 ieee80211_frequency_to_channel(
683b6d3b 1400 params->chandef.chan->center_freq);
5b435de0
AS		 1401 if (params->channel_fixed) {
1402 /* adding chanspec */
600a897d
AS		 1403 chanspec = chandef_to_chanspec(&cfg->d11inf,
1404 &params->chandef);
1701261d
HM		 1405 join_params.params_le.chanspec_list[0] =
1406 cpu_to_le16(chanspec);
1407 join_params.params_le.chanspec_num = cpu_to_le32(1);
1408 join_params_size += sizeof(join_params.params_le);
5b435de0
AS		 1409 }
1410
1411 /* set channel for starter */
27a68fe3 1412 target_channel = cfg->channel;
b87e2c48 1413 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
81f5dcb8 1414 target_channel);
5b435de0 1415 if (err) {
57d6e91a 1416 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
5b435de0
AS		 1417 goto done;
1418 }
1419 } else
27a68fe3 1420 cfg->channel = 0;
5b435de0 1421
27a68fe3 1422 cfg->ibss_starter = false;
5b435de0
AS		 1423
1424
c1179033 1425 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1426 &join_params, join_params_size);
5b435de0 1427 if (err) {
57d6e91a 1428 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1429 goto done;
1430 }
1431
1432done:
1433 if (err)
c1179033 1434 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1435 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1436 return err;
1437}
1438
1439static s32
1440brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1441{
0abb5f21 1442 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 1443
d96b801f 1444 brcmf_dbg(TRACE, "Enter\n");
6a98d64a
HM		 1445 if (!check_vif_up(ifp->vif)) {
1446 /* When driver is being unloaded, it can end up here. If an
1447 * error is returned then later on a debug trace in the wireless
1448 * core module will be printed. To avoid this 0 is returned.
1449 */
1450 return 0;
1451 }
5b435de0 1452
9b7a0ddc 1453 brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING);
42e0ed0d 1454 brcmf_net_setcarrier(ifp, false);
5b435de0 1455
d96b801f 1456 brcmf_dbg(TRACE, "Exit\n");
5b435de0 1457
12f32370 1458 return 0;
5b435de0
AS		 1459}
1460
1461static s32 brcmf_set_wpa_version(struct net_device *ndev,
1462 struct cfg80211_connect_params *sme)
1463{
6ac4f4ed 1464 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1465 struct brcmf_cfg80211_security *sec;
1466 s32 val = 0;
1467 s32 err = 0;
1468
1469 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1470 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1471 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1472 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1473 else
1474 val = WPA_AUTH_DISABLED;
16886735 1475 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
89286dc9 1476 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
5b435de0 1477 if (err) {
57d6e91a 1478 brcmf_err("set wpa_auth failed (%d)\n", err);
5b435de0
AS		 1479 return err;
1480 }
06bb123e 1481 sec = &profile->sec;
5b435de0
AS		 1482 sec->wpa_versions = sme->crypto.wpa_versions;
1483 return err;
1484}
1485
1486static s32 brcmf_set_auth_type(struct net_device *ndev,
1487 struct cfg80211_connect_params *sme)
1488{
6ac4f4ed 1489 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1490 struct brcmf_cfg80211_security *sec;
1491 s32 val = 0;
1492 s32 err = 0;
1493
1494 switch (sme->auth_type) {
1495 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1496 val = 0;
16886735 1497 brcmf_dbg(CONN, "open system\n");
5b435de0
AS		 1498 break;
1499 case NL80211_AUTHTYPE_SHARED_KEY:
1500 val = 1;
16886735 1501 brcmf_dbg(CONN, "shared key\n");
5b435de0
AS		 1502 break;
1503 case NL80211_AUTHTYPE_AUTOMATIC:
1504 val = 2;
16886735 1505 brcmf_dbg(CONN, "automatic\n");
5b435de0
AS		 1506 break;
1507 case NL80211_AUTHTYPE_NETWORK_EAP:
16886735 1508 brcmf_dbg(CONN, "network eap\n");
5b435de0
AS		 1509 default:
1510 val = 2;
57d6e91a 1511 brcmf_err("invalid auth type (%d)\n", sme->auth_type);
5b435de0
AS		 1512 break;
1513 }
1514
89286dc9 1515 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
5b435de0 1516 if (err) {
57d6e91a 1517 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1518 return err;
1519 }
06bb123e 1520 sec = &profile->sec;
5b435de0
AS		 1521 sec->auth_type = sme->auth_type;
1522 return err;
1523}
1524
1525static s32
87b7e9e2
DK		 1526brcmf_set_wsec_mode(struct net_device *ndev,
1527 struct cfg80211_connect_params *sme, bool mfp)
5b435de0 1528{
6ac4f4ed 1529 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1530 struct brcmf_cfg80211_security *sec;
1531 s32 pval = 0;
1532 s32 gval = 0;
87b7e9e2 1533 s32 wsec;
5b435de0
AS		 1534 s32 err = 0;
1535
1536 if (sme->crypto.n_ciphers_pairwise) {
1537 switch (sme->crypto.ciphers_pairwise[0]) {
1538 case WLAN_CIPHER_SUITE_WEP40:
1539 case WLAN_CIPHER_SUITE_WEP104:
1540 pval = WEP_ENABLED;
1541 break;
1542 case WLAN_CIPHER_SUITE_TKIP:
1543 pval = TKIP_ENABLED;
1544 break;
1545 case WLAN_CIPHER_SUITE_CCMP:
1546 pval = AES_ENABLED;
1547 break;
1548 case WLAN_CIPHER_SUITE_AES_CMAC:
1549 pval = AES_ENABLED;
1550 break;
1551 default:
57d6e91a
AS		 1552 brcmf_err("invalid cipher pairwise (%d)\n",
1553 sme->crypto.ciphers_pairwise[0]);
5b435de0
AS		 1554 return -EINVAL;
1555 }
1556 }
1557 if (sme->crypto.cipher_group) {
1558 switch (sme->crypto.cipher_group) {
1559 case WLAN_CIPHER_SUITE_WEP40:
1560 case WLAN_CIPHER_SUITE_WEP104:
1561 gval = WEP_ENABLED;
1562 break;
1563 case WLAN_CIPHER_SUITE_TKIP:
1564 gval = TKIP_ENABLED;
1565 break;
1566 case WLAN_CIPHER_SUITE_CCMP:
1567 gval = AES_ENABLED;
1568 break;
1569 case WLAN_CIPHER_SUITE_AES_CMAC:
1570 gval = AES_ENABLED;
1571 break;
1572 default:
57d6e91a
AS		 1573 brcmf_err("invalid cipher group (%d)\n",
1574 sme->crypto.cipher_group);
5b435de0
AS		 1575 return -EINVAL;
1576 }
1577 }
1578
16886735 1579 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
89286dc9
HM		 1580 /* In case of privacy, but no security and WPS then simulate */
1581 /* setting AES. WPS-2.0 allows no security */
1582 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1583 sme->privacy)
1584 pval = AES_ENABLED;
87b7e9e2
DK		 1585
1586 if (mfp)
1587 wsec = pval | gval | MFP_CAPABLE;
1588 else
1589 wsec = pval | gval;
1590 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
5b435de0 1591 if (err) {
57d6e91a 1592 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1593 return err;
1594 }
1595
06bb123e 1596 sec = &profile->sec;
5b435de0
AS		 1597 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1598 sec->cipher_group = sme->crypto.cipher_group;
1599
1600 return err;
1601}
1602
1603static s32
1604brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1605{
6ac4f4ed 1606 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1607 struct brcmf_cfg80211_security *sec;
1608 s32 val = 0;
1609 s32 err = 0;
1610
1611 if (sme->crypto.n_akm_suites) {
89286dc9
HM		 1612 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
1613 "wpa_auth", &val);
5b435de0 1614 if (err) {
57d6e91a 1615 brcmf_err("could not get wpa_auth (%d)\n", err);
5b435de0
AS		 1616 return err;
1617 }
1618 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1619 switch (sme->crypto.akm_suites[0]) {
1620 case WLAN_AKM_SUITE_8021X:
1621 val = WPA_AUTH_UNSPECIFIED;
1622 break;
1623 case WLAN_AKM_SUITE_PSK:
1624 val = WPA_AUTH_PSK;
1625 break;
1626 default:
57d6e91a
AS		 1627 brcmf_err("invalid cipher group (%d)\n",
1628 sme->crypto.cipher_group);
5b435de0
AS		 1629 return -EINVAL;
1630 }
1631 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1632 switch (sme->crypto.akm_suites[0]) {
1633 case WLAN_AKM_SUITE_8021X:
1634 val = WPA2_AUTH_UNSPECIFIED;
1635 break;
1636 case WLAN_AKM_SUITE_PSK:
1637 val = WPA2_AUTH_PSK;
1638 break;
1639 default:
57d6e91a
AS		 1640 brcmf_err("invalid cipher group (%d)\n",
1641 sme->crypto.cipher_group);
5b435de0
AS		 1642 return -EINVAL;
1643 }
1644 }
1645
16886735 1646 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
89286dc9
HM		 1647 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
1648 "wpa_auth", val);
5b435de0 1649 if (err) {
57d6e91a 1650 brcmf_err("could not set wpa_auth (%d)\n", err);
5b435de0
AS		 1651 return err;
1652 }
1653 }
06bb123e 1654 sec = &profile->sec;
5b435de0
AS		 1655 sec->wpa_auth = sme->crypto.akm_suites[0];
1656
1657 return err;
1658}
1659
1660static s32
f09d0c02
HM		 1661brcmf_set_sharedkey(struct net_device *ndev,
1662 struct cfg80211_connect_params *sme)
5b435de0 1663{
6ac4f4ed 1664 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1665 struct brcmf_cfg80211_security *sec;
1666 struct brcmf_wsec_key key;
1667 s32 val;
1668 s32 err = 0;
1669
16886735 1670 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
5b435de0 1671
a718e2fe
RV		 1672 if (sme->key_len == 0)
1673 return 0;
1674
06bb123e 1675 sec = &profile->sec;
16886735
AS		 1676 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1677 sec->wpa_versions, sec->cipher_pairwise);
a718e2fe
RV		 1678
1679 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1680 return 0;
1681
f09d0c02
HM		 1682 if (!(sec->cipher_pairwise &
1683 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1684 return 0;
a718e2fe 1685
f09d0c02
HM		 1686 memset(&key, 0, sizeof(key));
1687 key.len = (u32) sme->key_len;
1688 key.index = (u32) sme->key_idx;
1689 if (key.len > sizeof(key.data)) {
57d6e91a 1690 brcmf_err("Too long key length (%u)\n", key.len);
f09d0c02
HM		 1691 return -EINVAL;
1692 }
1693 memcpy(key.data, sme->key, key.len);
1694 key.flags = BRCMF_PRIMARY_KEY;
1695 switch (sec->cipher_pairwise) {
1696 case WLAN_CIPHER_SUITE_WEP40:
1697 key.algo = CRYPTO_ALGO_WEP1;
1698 break;
1699 case WLAN_CIPHER_SUITE_WEP104:
1700 key.algo = CRYPTO_ALGO_WEP128;
1701 break;
1702 default:
57d6e91a
AS		 1703 brcmf_err("Invalid algorithm (%d)\n",
1704 sme->crypto.ciphers_pairwise[0]);
f09d0c02
HM		 1705 return -EINVAL;
1706 }
1707 /* Set the new key/index */
16886735
AS		 1708 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1709 key.len, key.index, key.algo);
1710 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
118eb304 1711 err = send_key_to_dongle(netdev_priv(ndev), &key);
f09d0c02
HM		 1712 if (err)
1713 return err;
1714
1715 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
16886735 1716 brcmf_dbg(CONN, "set auth_type to shared key\n");
f09d0c02 1717 val = WL_AUTH_SHARED_KEY; /* shared key */
ac24be6f 1718 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
f09d0c02 1719 if (err)
57d6e91a 1720 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1721 }
1722 return err;
1723}
1724
cbb1ec94
AS		 1725static
1726enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1727 enum nl80211_auth_type type)
1728{
c08437b4
AS		 1729 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1730 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1731 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1732 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
cbb1ec94
AS		 1733 }
1734 return type;
1735}
1736
5b435de0
AS		 1737static s32
1738brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
cbb1ec94 1739 struct cfg80211_connect_params *sme)
5b435de0 1740{
27a68fe3 1741 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 1742 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1743 struct ieee80211_channel *chan = sme->channel;
1744 struct brcmf_join_params join_params;
1745 size_t join_params_size;
4b5800fe
JB		 1746 const struct brcmf_tlv *rsn_ie;
1747 const struct brcmf_vs_tlv *wpa_ie;
1748 const void *ie;
89286dc9
HM		 1749 u32 ie_len;
1750 struct brcmf_ext_join_params_le *ext_join_params;
1701261d 1751 u16 chanspec;
5b435de0 1752 s32 err = 0;
e9a6ca82 1753 u32 ssid_len;
5b435de0 1754
d96b801f 1755 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1756 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1757 return -EIO;
1758
1759 if (!sme->ssid) {
57d6e91a 1760 brcmf_err("Invalid ssid\n");
5b435de0
AS		 1761 return -EOPNOTSUPP;
1762 }
1763
89286dc9
HM		 1764 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1765 /* A normal (non P2P) connection request setup. */
1766 ie = NULL;
1767 ie_len = 0;
1768 /* find the WPA_IE */
1769 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1770 if (wpa_ie) {
1771 ie = wpa_ie;
1772 ie_len = wpa_ie->len + TLV_HDR_LEN;
1773 } else {
1774 /* find the RSN_IE */
4b5800fe
JB		 1775 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1776 sme->ie_len,
89286dc9
HM		 1777 WLAN_EID_RSN);
1778 if (rsn_ie) {
1779 ie = rsn_ie;
1780 ie_len = rsn_ie->len + TLV_HDR_LEN;
1781 }
1782 }
1783 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1784 }
1785
1786 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1787 sme->ie, sme->ie_len);
1788 if (err)
1789 brcmf_err("Set Assoc REQ IE Failed\n");
1790 else
1791 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1792
c1179033 1793 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1794
1795 if (chan) {
27a68fe3 1796 cfg->channel =
5b435de0 1797 ieee80211_frequency_to_channel(chan->center_freq);
83cf17aa 1798 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1701261d
HM		 1799 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1800 cfg->channel, chan->center_freq, chanspec);
1801 } else {
27a68fe3 1802 cfg->channel = 0;
1701261d
HM		 1803 chanspec = 0;
1804 }
5b435de0 1805
647c9ae0 1806 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
5b435de0
AS		 1807
1808 err = brcmf_set_wpa_version(ndev, sme);
1809 if (err) {
57d6e91a 1810 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
5b435de0
AS		 1811 goto done;
1812 }
1813
cbb1ec94 1814 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
5b435de0
AS		 1815 err = brcmf_set_auth_type(ndev, sme);
1816 if (err) {
57d6e91a 1817 brcmf_err("wl_set_auth_type failed (%d)\n", err);
5b435de0
AS		 1818 goto done;
1819 }
1820
87b7e9e2 1821 err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
5b435de0 1822 if (err) {
57d6e91a 1823 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
5b435de0
AS		 1824 goto done;
1825 }
1826
1827 err = brcmf_set_key_mgmt(ndev, sme);
1828 if (err) {
57d6e91a 1829 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
5b435de0
AS		 1830 goto done;
1831 }
1832
f09d0c02 1833 err = brcmf_set_sharedkey(ndev, sme);
5b435de0 1834 if (err) {
57d6e91a 1835 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
5b435de0
AS		 1836 goto done;
1837 }
1838
89286dc9
HM		 1839 /* Join with specific BSSID and cached SSID
1840 * If SSID is zero join based on BSSID only
1841 */
1842 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1843 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1844 if (cfg->channel)
1845 join_params_size += sizeof(u16);
1846 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1847 if (ext_join_params == NULL) {
1848 err = -ENOMEM;
1849 goto done;
1850 }
e9a6ca82
HM		 1851 ssid_len = min_t(u32, sme->ssid_len, IEEE80211_MAX_SSID_LEN);
1852 ext_join_params->ssid_le.SSID_len = cpu_to_le32(ssid_len);
1853 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, ssid_len);
1854 if (ssid_len < IEEE80211_MAX_SSID_LEN)
1855 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n",
1856 ext_join_params->ssid_le.SSID, ssid_len);
63dd99e6 1857
89286dc9
HM		 1858 /* Set up join scan parameters */
1859 ext_join_params->scan_le.scan_type = -1;
89286dc9
HM		 1860 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1861
1862 if (sme->bssid)
1863 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1864 else
93803b33 1865 eth_broadcast_addr(ext_join_params->assoc_le.bssid);
89286dc9
HM		 1866
1867 if (cfg->channel) {
1868 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
1869
1870 ext_join_params->assoc_le.chanspec_list[0] =
1871 cpu_to_le16(chanspec);
63dd99e6
HM		 1872 /* Increase dwell time to receive probe response or detect
1873 * beacon from target AP at a noisy air only during connect
1874 * command.
1875 */
1876 ext_join_params->scan_le.active_time =
1877 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
1878 ext_join_params->scan_le.passive_time =
1879 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
1880 /* To sync with presence period of VSDB GO send probe request
1881 * more frequently. Probe request will be stopped when it gets
1882 * probe response from target AP/GO.
1883 */
1884 ext_join_params->scan_le.nprobes =
1885 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
1886 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
1887 } else {
1888 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
1889 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
1890 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
89286dc9
HM		 1891 }
1892
1893 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
1894 join_params_size);
1895 kfree(ext_join_params);
1896 if (!err)
1897 /* This is it. join command worked, we are done */
1898 goto done;
1899
1900 /* join command failed, fallback to set ssid */
5b435de0
AS		 1901 memset(&join_params, 0, sizeof(join_params));
1902 join_params_size = sizeof(join_params.ssid_le);
1903
e9a6ca82
HM		 1904 memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid_len);
1905 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len);
5b435de0 1906
89286dc9
HM		 1907 if (sme->bssid)
1908 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
1909 else
93803b33 1910 eth_broadcast_addr(join_params.params_le.bssid);
5b435de0 1911
1701261d
HM		 1912 if (cfg->channel) {
1913 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
1914 join_params.params_le.chanspec_num = cpu_to_le32(1);
1915 join_params_size += sizeof(join_params.params_le);
1916 }
c1179033 1917 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1918 &join_params, join_params_size);
5b435de0 1919 if (err)
89286dc9 1920 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1921
1922done:
1923 if (err)
c1179033 1924 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1925 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1926 return err;
1927}
1928
1929static s32
1930brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1931 u16 reason_code)
1932{
0abb5f21
AS		 1933 struct brcmf_if *ifp = netdev_priv(ndev);
1934 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1935 struct brcmf_scb_val_le scbval;
1936 s32 err = 0;
1937
d96b801f 1938 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
ce81e317 1939 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1940 return -EIO;
1941
c1179033 1942 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
4f3fff14 1943 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
80279fb7 1944 cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL);
5b435de0 1945
06bb123e 1946 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
5b435de0 1947 scbval.val = cpu_to_le32(reason_code);
c1179033 1948 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
ac24be6f 1949 &scbval, sizeof(scbval));
5b435de0 1950 if (err)
57d6e91a 1951 brcmf_err("error (%d)\n", err);
5b435de0 1952
d96b801f 1953 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1954 return err;
1955}
1956
1957static s32
c8442118 1958brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
d3f31134 1959 enum nl80211_tx_power_setting type, s32 mbm)
5b435de0 1960{
27a68fe3 1961 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1962 struct net_device *ndev = cfg_to_ndev(cfg);
1963 struct brcmf_if *ifp = netdev_priv(ndev);
60dc35ef
HM		 1964 s32 err;
1965 s32 disable;
1966 u32 qdbm = 127;
5b435de0 1967
60dc35ef 1968 brcmf_dbg(TRACE, "Enter %d %d\n", type, mbm);
ce81e317 1969 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1970 return -EIO;
1971
1972 switch (type) {
1973 case NL80211_TX_POWER_AUTOMATIC:
1974 break;
1975 case NL80211_TX_POWER_LIMITED:
5b435de0 1976 case NL80211_TX_POWER_FIXED:
60dc35ef 1977 if (mbm < 0) {
57d6e91a 1978 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
5b435de0
AS		 1979 err = -EINVAL;
1980 goto done;
1981 }
60dc35ef
HM		 1982 qdbm = MBM_TO_DBM(4 * mbm);
1983 if (qdbm > 127)
1984 qdbm = 127;
1985 qdbm |= WL_TXPWR_OVERRIDE;
5b435de0 1986 break;
60dc35ef
HM		 1987 default:
1988 brcmf_err("Unsupported type %d\n", type);
1989 err = -EINVAL;
1990 goto done;
5b435de0
AS		 1991 }
1992 /* Make sure radio is off or on as far as software is concerned */
1993 disable = WL_RADIO_SW_DISABLE << 16;
ac24be6f 1994 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
5b435de0 1995 if (err)
57d6e91a 1996 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
5b435de0 1997
60dc35ef 1998 err = brcmf_fil_iovar_int_set(ifp, "qtxpower", qdbm);
5b435de0 1999 if (err)
57d6e91a 2000 brcmf_err("qtxpower error (%d)\n", err);
5b435de0
AS		 2001
2002done:
60dc35ef 2003 brcmf_dbg(TRACE, "Exit %d (qdbm)\n", qdbm & ~WL_TXPWR_OVERRIDE);
5b435de0
AS		 2004 return err;
2005}
2006
60dc35ef
HM		 2007static s32
2008brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
2009 s32 *dbm)
5b435de0 2010{
27a68fe3 2011 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
60dc35ef
HM		 2012 struct net_device *ndev = cfg_to_ndev(cfg);
2013 struct brcmf_if *ifp = netdev_priv(ndev);
2014 s32 qdbm = 0;
2015 s32 err;
5b435de0 2016
d96b801f 2017 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2018 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2019 return -EIO;
2020
60dc35ef 2021 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &qdbm);
5b435de0 2022 if (err) {
57d6e91a 2023 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2024 goto done;
2025 }
60dc35ef 2026 *dbm = (qdbm & ~WL_TXPWR_OVERRIDE) / 4;
5b435de0
AS		 2027
2028done:
60dc35ef 2029 brcmf_dbg(TRACE, "Exit (0x%x %d)\n", qdbm, *dbm);
5b435de0
AS		 2030 return err;
2031}
2032
2033static s32
2034brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
60dc35ef 2035 u8 key_idx, bool unicast, bool multicast)
5b435de0 2036{
0abb5f21 2037 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2038 u32 index;
2039 u32 wsec;
2040 s32 err = 0;
2041
d96b801f 2042 brcmf_dbg(TRACE, "Enter\n");
16886735 2043 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2044 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2045 return -EIO;
2046
0abb5f21 2047 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2048 if (err) {
57d6e91a 2049 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2050 goto done;
2051 }
2052
2053 if (wsec & WEP_ENABLED) {
2054 /* Just select a new current key */
2055 index = key_idx;
0abb5f21 2056 err = brcmf_fil_cmd_int_set(ifp,
ac24be6f 2057 BRCMF_C_SET_KEY_PRIMARY, index);
5b435de0 2058 if (err)
57d6e91a 2059 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2060 }
2061done:
d96b801f 2062 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2063 return err;
2064}
2065
2066static s32
2067brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
2068 u8 key_idx, const u8 *mac_addr, struct key_params *params)
2069{
992f6068 2070 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2071 struct brcmf_wsec_key key;
5b435de0 2072 s32 err = 0;
992f6068 2073 u8 keybuf[8];
5b435de0
AS		 2074
2075 memset(&key, 0, sizeof(key));
2076 key.index = (u32) key_idx;
2077 /* Instead of bcast for ea address for default wep keys,
2078 driver needs it to be Null */
2079 if (!is_multicast_ether_addr(mac_addr))
2080 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
2081 key.len = (u32) params->key_len;
2082 /* check for key index change */
2083 if (key.len == 0) {
2084 /* key delete */
118eb304 2085 err = send_key_to_dongle(ifp, &key);
5b435de0 2086 if (err)
57d6e91a 2087 brcmf_err("key delete error (%d)\n", err);
5b435de0
AS		 2088 } else {
2089 if (key.len > sizeof(key.data)) {
57d6e91a 2090 brcmf_err("Invalid key length (%d)\n", key.len);
5b435de0
AS		 2091 return -EINVAL;
2092 }
2093
16886735 2094 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
5b435de0
AS		 2095 memcpy(key.data, params->key, key.len);
2096
967fe2c8 2097 if (!brcmf_is_apmode(ifp->vif) &&
992f6068
HM		 2098 (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
2099 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
5b435de0
AS		 2100 memcpy(keybuf, &key.data[24], sizeof(keybuf));
2101 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
2102 memcpy(&key.data[16], keybuf, sizeof(keybuf));
2103 }
2104
2105 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
2106 if (params->seq && params->seq_len == 6) {
2107 /* rx iv */
2108 u8 *ivptr;
2109 ivptr = (u8 *) params->seq;
2110 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
2111 (ivptr[3] << 8) | ivptr[2];
2112 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
2113 key.iv_initialized = true;
2114 }
2115
2116 switch (params->cipher) {
2117 case WLAN_CIPHER_SUITE_WEP40:
2118 key.algo = CRYPTO_ALGO_WEP1;
16886735 2119 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2120 break;
2121 case WLAN_CIPHER_SUITE_WEP104:
2122 key.algo = CRYPTO_ALGO_WEP128;
16886735 2123 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2124 break;
2125 case WLAN_CIPHER_SUITE_TKIP:
2126 key.algo = CRYPTO_ALGO_TKIP;
16886735 2127 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2128 break;
2129 case WLAN_CIPHER_SUITE_AES_CMAC:
2130 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2131 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2132 break;
2133 case WLAN_CIPHER_SUITE_CCMP:
2134 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2135 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2136 break;
2137 default:
57d6e91a 2138 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2139 return -EINVAL;
2140 }
118eb304 2141 err = send_key_to_dongle(ifp, &key);
f09d0c02 2142 if (err)
57d6e91a 2143 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 2144 }
2145 return err;
2146}
2147
2148static s32
2149brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2150 u8 key_idx, bool pairwise, const u8 *mac_addr,
2151 struct key_params *params)
2152{
0abb5f21 2153 struct brcmf_if *ifp = netdev_priv(ndev);
118eb304 2154 struct brcmf_wsec_key *key;
5b435de0
AS		 2155 s32 val;
2156 s32 wsec;
2157 s32 err = 0;
2158 u8 keybuf[8];
2159
d96b801f 2160 brcmf_dbg(TRACE, "Enter\n");
16886735 2161 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2162 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2163 return -EIO;
2164
118eb304
HM		 2165 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2166 /* we ignore this key index in this case */
2167 brcmf_err("invalid key index (%d)\n", key_idx);
2168 return -EINVAL;
2169 }
2170
787eb033
DK		 2171 if (mac_addr &&
2172 (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2173 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
d96b801f 2174 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2175 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
2176 }
5b435de0 2177
118eb304
HM		 2178 key = &ifp->vif->profile.key[key_idx];
2179 memset(key, 0, sizeof(*key));
5b435de0 2180
118eb304
HM		 2181 if (params->key_len > sizeof(key->data)) {
2182 brcmf_err("Too long key length (%u)\n", params->key_len);
5b435de0
AS		 2183 err = -EINVAL;
2184 goto done;
2185 }
118eb304
HM		 2186 key->len = params->key_len;
2187 key->index = key_idx;
5b435de0 2188
118eb304
HM		 2189 memcpy(key->data, params->key, key->len);
2190
2191 key->flags = BRCMF_PRIMARY_KEY;
5b435de0
AS		 2192 switch (params->cipher) {
2193 case WLAN_CIPHER_SUITE_WEP40:
118eb304 2194 key->algo = CRYPTO_ALGO_WEP1;
f09d0c02 2195 val = WEP_ENABLED;
16886735 2196 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2197 break;
2198 case WLAN_CIPHER_SUITE_WEP104:
118eb304 2199 key->algo = CRYPTO_ALGO_WEP128;
f09d0c02 2200 val = WEP_ENABLED;
16886735 2201 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2202 break;
2203 case WLAN_CIPHER_SUITE_TKIP:
967fe2c8 2204 if (!brcmf_is_apmode(ifp->vif)) {
992f6068 2205 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
118eb304
HM		 2206 memcpy(keybuf, &key->data[24], sizeof(keybuf));
2207 memcpy(&key->data[24], &key->data[16], sizeof(keybuf));
2208 memcpy(&key->data[16], keybuf, sizeof(keybuf));
1a873342 2209 }
118eb304 2210 key->algo = CRYPTO_ALGO_TKIP;
f09d0c02 2211 val = TKIP_ENABLED;
16886735 2212 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2213 break;
2214 case WLAN_CIPHER_SUITE_AES_CMAC:
118eb304 2215 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2216 val = AES_ENABLED;
16886735 2217 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2218 break;
2219 case WLAN_CIPHER_SUITE_CCMP:
118eb304 2220 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2221 val = AES_ENABLED;
16886735 2222 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2223 break;
2224 default:
57d6e91a 2225 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2226 err = -EINVAL;
2227 goto done;
2228 }
2229
118eb304 2230 err = send_key_to_dongle(ifp, key);
5b435de0
AS		 2231 if (err)
2232 goto done;
2233
0abb5f21 2234 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2235 if (err) {
57d6e91a 2236 brcmf_err("get wsec error (%d)\n", err);
5b435de0
AS		 2237 goto done;
2238 }
5b435de0 2239 wsec |= val;
0abb5f21 2240 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
5b435de0 2241 if (err) {
57d6e91a 2242 brcmf_err("set wsec error (%d)\n", err);
5b435de0
AS		 2243 goto done;
2244 }
2245
5b435de0 2246done:
d96b801f 2247 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2248 return err;
2249}
2250
2251static s32
2252brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2253 u8 key_idx, bool pairwise, const u8 *mac_addr)
2254{
0abb5f21 2255 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2256 struct brcmf_wsec_key key;
2257 s32 err = 0;
5b435de0 2258
d96b801f 2259 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2260 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2261 return -EIO;
2262
118eb304 2263 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
256c374f 2264 /* we ignore this key index in this case */
256c374f
HM		 2265 return -EINVAL;
2266 }
2267
5b435de0
AS		 2268 memset(&key, 0, sizeof(key));
2269
2270 key.index = (u32) key_idx;
2271 key.flags = BRCMF_PRIMARY_KEY;
2272 key.algo = CRYPTO_ALGO_OFF;
2273
16886735 2274 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
5b435de0
AS		 2275
2276 /* Set the new key/index */
118eb304 2277 err = send_key_to_dongle(ifp, &key);
5b435de0 2278
d96b801f 2279 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2280 return err;
2281}
2282
2283static s32
2284brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
2285 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
2286 void (*callback) (void *cookie, struct key_params * params))
2287{
2288 struct key_params params;
0abb5f21
AS		 2289 struct brcmf_if *ifp = netdev_priv(ndev);
2290 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2291 struct brcmf_cfg80211_security *sec;
2292 s32 wsec;
2293 s32 err = 0;
2294
d96b801f 2295 brcmf_dbg(TRACE, "Enter\n");
16886735 2296 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2297 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2298 return -EIO;
2299
2300 memset(&params, 0, sizeof(params));
2301
0abb5f21 2302 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2303 if (err) {
57d6e91a 2304 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2305 /* Ignore this error, may happen during DISASSOC */
2306 err = -EAGAIN;
2307 goto done;
2308 }
c5bf53a8 2309 if (wsec & WEP_ENABLED) {
06bb123e 2310 sec = &profile->sec;
5b435de0
AS		 2311 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2312 params.cipher = WLAN_CIPHER_SUITE_WEP40;
16886735 2313 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2314 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2315 params.cipher = WLAN_CIPHER_SUITE_WEP104;
16886735 2316 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0 2317 }
c5bf53a8 2318 } else if (wsec & TKIP_ENABLED) {
5b435de0 2319 params.cipher = WLAN_CIPHER_SUITE_TKIP;
16886735 2320 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
c5bf53a8 2321 } else if (wsec & AES_ENABLED) {
5b435de0 2322 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
16886735 2323 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
c5bf53a8 2324 } else {
57d6e91a 2325 brcmf_err("Invalid algo (0x%x)\n", wsec);
5b435de0
AS		 2326 err = -EINVAL;
2327 goto done;
2328 }
2329 callback(cookie, &params);
2330
2331done:
d96b801f 2332 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2333 return err;
2334}
2335
2336static s32
2337brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2338 struct net_device *ndev, u8 key_idx)
2339{
647c9ae0 2340 brcmf_dbg(INFO, "Not supported\n");
5b435de0
AS		 2341
2342 return -EOPNOTSUPP;
2343}
2344
118eb304
HM		 2345static void
2346brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp)
2347{
2348 s32 err;
2349 u8 key_idx;
2350 struct brcmf_wsec_key *key;
2351 s32 wsec;
2352
2353 for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) {
2354 key = &ifp->vif->profile.key[key_idx];
2355 if ((key->algo == CRYPTO_ALGO_WEP1) ||
2356 (key->algo == CRYPTO_ALGO_WEP128))
2357 break;
2358 }
2359 if (key_idx == BRCMF_MAX_DEFAULT_KEYS)
2360 return;
2361
2362 err = send_key_to_dongle(ifp, key);
2363 if (err) {
2364 brcmf_err("Setting WEP key failed (%d)\n", err);
2365 return;
2366 }
2367 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2368 if (err) {
2369 brcmf_err("get wsec error (%d)\n", err);
2370 return;
2371 }
2372 wsec |= WEP_ENABLED;
2373 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2374 if (err)
2375 brcmf_err("set wsec error (%d)\n", err);
2376}
2377
1f0dc59a
AS		 2378static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si)
2379{
2380 struct nl80211_sta_flag_update *sfu;
2381
2382 brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags);
2383 si->filled |= BIT(NL80211_STA_INFO_STA_FLAGS);
2384 sfu = &si->sta_flags;
2385 sfu->mask = BIT(NL80211_STA_FLAG_WME) |
2386 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2387 BIT(NL80211_STA_FLAG_ASSOCIATED) |
2388 BIT(NL80211_STA_FLAG_AUTHORIZED);
2389 if (fw_sta_flags & BRCMF_STA_WME)
2390 sfu->set |= BIT(NL80211_STA_FLAG_WME);
2391 if (fw_sta_flags & BRCMF_STA_AUTHE)
2392 sfu->set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
2393 if (fw_sta_flags & BRCMF_STA_ASSOC)
2394 sfu->set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2395 if (fw_sta_flags & BRCMF_STA_AUTHO)
2396 sfu->set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
2397}
2398
2399static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si)
2400{
2401 struct {
2402 __le32 len;
2403 struct brcmf_bss_info_le bss_le;
2404 } *buf;
2405 u16 capability;
2406 int err;
2407
2408 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2409 if (!buf)
2410 return;
2411
2412 buf->len = cpu_to_le32(WL_BSS_INFO_MAX);
2413 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, buf,
2414 WL_BSS_INFO_MAX);
2415 if (err) {
2416 brcmf_err("Failed to get bss info (%d)\n", err);
2417 return;
2418 }
2419 si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
2420 si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period);
2421 si->bss_param.dtim_period = buf->bss_le.dtim_period;
2422 capability = le16_to_cpu(buf->bss_le.capability);
2423 if (capability & IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT)
2424 si->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
2425 if (capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
2426 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
2427 if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
2428 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
2429}
2430
3f5893d1
HM		 2431static s32
2432brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp,
2433 struct station_info *sinfo)
2434{
2435 struct brcmf_scb_val_le scbval;
2436 struct brcmf_pktcnt_le pktcnt;
2437 s32 err;
2438 u32 rate;
2439 u32 rssi;
2440
2441 /* Get the current tx rate */
2442 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
2443 if (err < 0) {
2444 brcmf_err("BRCMF_C_GET_RATE error (%d)\n", err);
2445 return err;
2446 }
2447 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
2448 sinfo->txrate.legacy = rate * 5;
2449
2450 memset(&scbval, 0, sizeof(scbval));
2451 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, &scbval,
2452 sizeof(scbval));
2453 if (err) {
2454 brcmf_err("BRCMF_C_GET_RSSI error (%d)\n", err);
2455 return err;
2456 }
2457 rssi = le32_to_cpu(scbval.val);
2458 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2459 sinfo->signal = rssi;
2460
2461 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_GET_PKTCNTS, &pktcnt,
2462 sizeof(pktcnt));
2463 if (err) {
2464 brcmf_err("BRCMF_C_GET_GET_PKTCNTS error (%d)\n", err);
2465 return err;
2466 }
2467 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS) |
2468 BIT(NL80211_STA_INFO_RX_DROP_MISC) |
2469 BIT(NL80211_STA_INFO_TX_PACKETS) |
2470 BIT(NL80211_STA_INFO_TX_FAILED);
2471 sinfo->rx_packets = le32_to_cpu(pktcnt.rx_good_pkt);
2472 sinfo->rx_dropped_misc = le32_to_cpu(pktcnt.rx_bad_pkt);
2473 sinfo->tx_packets = le32_to_cpu(pktcnt.tx_good_pkt);
2474 sinfo->tx_failed = le32_to_cpu(pktcnt.tx_bad_pkt);
2475
2476 return 0;
2477}
2478
5b435de0
AS		 2479static s32
2480brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
3b3a0162 2481 const u8 *mac, struct station_info *sinfo)
5b435de0 2482{
0abb5f21 2483 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2484 s32 err = 0;
81f5dcb8 2485 struct brcmf_sta_info_le sta_info_le;
1f0dc59a
AS		 2486 u32 sta_flags;
2487 u32 is_tdls_peer;
cae355dc
HM		 2488 s32 total_rssi;
2489 s32 count_rssi;
2490 u32 i;
5b435de0 2491
d96b801f 2492 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
ce81e317 2493 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2494 return -EIO;
2495
3f5893d1
HM		 2496 if (brcmf_is_ibssmode(ifp->vif))
2497 return brcmf_cfg80211_get_station_ibss(ifp, sinfo);
2498
1f0dc59a
AS		 2499 memset(&sta_info_le, 0, sizeof(sta_info_le));
2500 memcpy(&sta_info_le, mac, ETH_ALEN);
2501 err = brcmf_fil_iovar_data_get(ifp, "tdls_sta_info",
2502 &sta_info_le,
2503 sizeof(sta_info_le));
2504 is_tdls_peer = !err;
2505 if (err) {
0abb5f21 2506 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
ac24be6f 2507 &sta_info_le,
81f5dcb8 2508 sizeof(sta_info_le));
1a873342 2509 if (err < 0) {
57d6e91a 2510 brcmf_err("GET STA INFO failed, %d\n", err);
1a873342
HM		 2511 goto done;
2512 }
1f0dc59a
AS		 2513 }
2514 brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver));
2515 sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME);
2516 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2517 sta_flags = le32_to_cpu(sta_info_le.flags);
2518 brcmf_convert_sta_flags(sta_flags, sinfo);
2519 sinfo->sta_flags.mask |= BIT(NL80211_STA_FLAG_TDLS_PEER);
2520 if (is_tdls_peer)
2521 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
2522 else
2523 sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
2524 if (sta_flags & BRCMF_STA_ASSOC) {
2525 sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME);
2526 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
2527 brcmf_fill_bss_param(ifp, sinfo);
2528 }
2529 if (sta_flags & BRCMF_STA_SCBSTATS) {
2530 sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED);
2531 sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures);
2532 sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);
2533 sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts);
2534 sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts);
2535 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);
2536 sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts);
2537 sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts);
2538 if (sinfo->tx_packets) {
319090bf 2539 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
124d5172
HM		 2540 sinfo->txrate.legacy =
2541 le32_to_cpu(sta_info_le.tx_rate) / 100;
7f6c562d 2542 }
1f0dc59a
AS		 2543 if (sinfo->rx_packets) {
2544 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
124d5172
HM		 2545 sinfo->rxrate.legacy =
2546 le32_to_cpu(sta_info_le.rx_rate) / 100;
1a873342 2547 }
1f0dc59a
AS		 2548 if (le16_to_cpu(sta_info_le.ver) >= 4) {
2549 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES);
2550 sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes);
2551 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES);
2552 sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes);
2553 }
cae355dc
HM		 2554 total_rssi = 0;
2555 count_rssi = 0;
2556 for (i = 0; i < BRCMF_ANT_MAX; i++) {
2557 if (sta_info_le.rssi[i]) {
2558 sinfo->chain_signal_avg[count_rssi] =
2559 sta_info_le.rssi[i];
2560 sinfo->chain_signal[count_rssi] =
2561 sta_info_le.rssi[i];
2562 total_rssi += sta_info_le.rssi[i];
2563 count_rssi++;
2564 }
2565 }
2566 if (count_rssi) {
2567 sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL);
2568 sinfo->chains = count_rssi;
2569
2570 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2571 total_rssi /= count_rssi;
2572 sinfo->signal = total_rssi;
2573 }
1f0dc59a 2574 }
5b435de0 2575done:
d96b801f 2576 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2577 return err;
2578}
2579
bf2a7e04
HM		 2580static int
2581brcmf_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev,
2582 int idx, u8 *mac, struct station_info *sinfo)
2583{
2584 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2585 struct brcmf_if *ifp = netdev_priv(ndev);
2586 s32 err;
2587
2588 brcmf_dbg(TRACE, "Enter, idx %d\n", idx);
2589
2590 if (idx == 0) {
2591 cfg->assoclist.count = cpu_to_le32(BRCMF_MAX_ASSOCLIST);
2592 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_ASSOCLIST,
2593 &cfg->assoclist,
2594 sizeof(cfg->assoclist));
2595 if (err) {
2596 brcmf_err("BRCMF_C_GET_ASSOCLIST unsupported, err=%d\n",
2597 err);
2598 cfg->assoclist.count = 0;
2599 return -EOPNOTSUPP;
2600 }
2601 }
2602 if (idx < le32_to_cpu(cfg->assoclist.count)) {
2603 memcpy(mac, cfg->assoclist.mac[idx], ETH_ALEN);
2604 return brcmf_cfg80211_get_station(wiphy, ndev, mac, sinfo);
2605 }
2606 return -ENOENT;
2607}
2608
5b435de0
AS		 2609static s32
2610brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2611 bool enabled, s32 timeout)
2612{
2613 s32 pm;
2614 s32 err = 0;
27a68fe3 2615 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
c1179033 2616 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2617
d96b801f 2618 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2619
2620 /*
2621 * Powersave enable/disable request is coming from the
2622 * cfg80211 even before the interface is up. In that
2623 * scenario, driver will be storing the power save
27a68fe3 2624 * preference in cfg struct to apply this to
5b435de0
AS		 2625 * FW later while initializing the dongle
2626 */
27a68fe3 2627 cfg->pwr_save = enabled;
ce81e317 2628 if (!check_vif_up(ifp->vif)) {
5b435de0 2629
647c9ae0 2630 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
5b435de0
AS		 2631 goto done;
2632 }
2633
2634 pm = enabled ? PM_FAST : PM_OFF;
102fd0d6
HM		 2635 /* Do not enable the power save after assoc if it is a p2p interface */
2636 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2637 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2638 pm = PM_OFF;
2639 }
647c9ae0 2640 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
5b435de0 2641
c1179033 2642 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
5b435de0
AS		 2643 if (err) {
2644 if (err == -ENODEV)
57d6e91a 2645 brcmf_err("net_device is not ready yet\n");
5b435de0 2646 else
57d6e91a 2647 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2648 }
2649done:
d96b801f 2650 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2651 return err;
2652}
2653
27a68fe3 2654static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
d34bf64f 2655 struct brcmf_bss_info_le *bi)
5b435de0 2656{
27a68fe3 2657 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0
AS		 2658 struct ieee80211_channel *notify_channel;
2659 struct cfg80211_bss *bss;
2660 struct ieee80211_supported_band *band;
83cf17aa 2661 struct brcmu_chan ch;
5b435de0
AS		 2662 u16 channel;
2663 u32 freq;
5b435de0
AS		 2664 u16 notify_capability;
2665 u16 notify_interval;
2666 u8 *notify_ie;
2667 size_t notify_ielen;
2668 s32 notify_signal;
2669
2670 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
57d6e91a 2671 brcmf_err("Bss info is larger than buffer. Discarding\n");
5b435de0
AS		 2672 return 0;
2673 }
2674
83cf17aa
FL		 2675 if (!bi->ctl_ch) {
2676 ch.chspec = le16_to_cpu(bi->chanspec);
2677 cfg->d11inf.decchspec(&ch);
2678 bi->ctl_ch = ch.chnum;
2679 }
2680 channel = bi->ctl_ch;
5b435de0
AS		 2681
2682 if (channel <= CH_MAX_2G_CHANNEL)
2683 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2684 else
2685 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2686
2687 freq = ieee80211_channel_to_frequency(channel, band->band);
2688 notify_channel = ieee80211_get_channel(wiphy, freq);
2689
5b435de0
AS		 2690 notify_capability = le16_to_cpu(bi->capability);
2691 notify_interval = le16_to_cpu(bi->beacon_period);
2692 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2693 notify_ielen = le32_to_cpu(bi->ie_length);
2694 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2695
16886735
AS		 2696 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2697 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2698 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2699 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2700 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
5b435de0 2701
5bc8c1f2
JB		 2702 bss = cfg80211_inform_bss(wiphy, notify_channel,
2703 CFG80211_BSS_FTYPE_UNKNOWN,
2704 (const u8 *)bi->BSSID,
2705 0, notify_capability,
2706 notify_interval, notify_ie,
2707 notify_ielen, notify_signal,
2708 GFP_KERNEL);
5b435de0 2709
e78946e1
FL		 2710 if (!bss)
2711 return -ENOMEM;
2712
5b112d3d 2713 cfg80211_put_bss(wiphy, bss);
5b435de0 2714
12f32370 2715 return 0;
5b435de0
AS		 2716}
2717
6f09be0a
RV		 2718static struct brcmf_bss_info_le *
2719next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2720{
2721 if (bss == NULL)
2722 return list->bss_info_le;
2723 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2724 le32_to_cpu(bss->length));
2725}
2726
27a68fe3 2727static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 2728{
2729 struct brcmf_scan_results *bss_list;
d34bf64f 2730 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
5b435de0
AS		 2731 s32 err = 0;
2732 int i;
2733
ef8596e1 2734 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
0ecd8164
AS		 2735 if (bss_list->count != 0 &&
2736 bss_list->version != BRCMF_BSS_INFO_VERSION) {
57d6e91a
AS		 2737 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2738 bss_list->version);
5b435de0
AS		 2739 return -EOPNOTSUPP;
2740 }
4e8a008e 2741 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
f0799895 2742 for (i = 0; i < bss_list->count; i++) {
6f09be0a 2743 bi = next_bss_le(bss_list, bi);
27a68fe3 2744 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2745 if (err)
2746 break;
2747 }
2748 return err;
2749}
2750
b0a79088
HM		 2751static s32 brcmf_inform_ibss(struct brcmf_cfg80211_info *cfg,
2752 struct net_device *ndev, const u8 *bssid)
5b435de0 2753{
27a68fe3 2754 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0 2755 struct ieee80211_channel *notify_channel;
d34bf64f 2756 struct brcmf_bss_info_le *bi = NULL;
5b435de0 2757 struct ieee80211_supported_band *band;
e78946e1 2758 struct cfg80211_bss *bss;
83cf17aa 2759 struct brcmu_chan ch;
5b435de0
AS		 2760 u8 *buf = NULL;
2761 s32 err = 0;
5b435de0 2762 u32 freq;
5b435de0
AS		 2763 u16 notify_capability;
2764 u16 notify_interval;
2765 u8 *notify_ie;
2766 size_t notify_ielen;
2767 s32 notify_signal;
2768
d96b801f 2769 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2770
2771 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2772 if (buf == NULL) {
2773 err = -ENOMEM;
2774 goto CleanUp;
2775 }
2776
2777 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2778
ac24be6f
AS		 2779 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2780 buf, WL_BSS_INFO_MAX);
5b435de0 2781 if (err) {
57d6e91a 2782 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
5b435de0
AS		 2783 goto CleanUp;
2784 }
2785
d34bf64f 2786 bi = (struct brcmf_bss_info_le *)(buf + 4);
5b435de0 2787
83cf17aa
FL		 2788 ch.chspec = le16_to_cpu(bi->chanspec);
2789 cfg->d11inf.decchspec(&ch);
5b435de0 2790
83cf17aa 2791 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 2792 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2793 else
2794 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2795
83cf17aa 2796 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
b0a79088 2797 cfg->channel = freq;
5b435de0
AS		 2798 notify_channel = ieee80211_get_channel(wiphy, freq);
2799
5b435de0
AS		 2800 notify_capability = le16_to_cpu(bi->capability);
2801 notify_interval = le16_to_cpu(bi->beacon_period);
2802 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2803 notify_ielen = le32_to_cpu(bi->ie_length);
2804 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2805
83cf17aa 2806 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
16886735
AS		 2807 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2808 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2809 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
5b435de0 2810
5bc8c1f2
JB		 2811 bss = cfg80211_inform_bss(wiphy, notify_channel,
2812 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2813 notify_capability, notify_interval,
2814 notify_ie, notify_ielen, notify_signal,
2815 GFP_KERNEL);
5b435de0 2816
e78946e1
FL		 2817 if (!bss) {
2818 err = -ENOMEM;
2819 goto CleanUp;
2820 }
2821
5b112d3d 2822 cfg80211_put_bss(wiphy, bss);
e78946e1 2823
5b435de0
AS		 2824CleanUp:
2825
2826 kfree(buf);
2827
d96b801f 2828 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2829
2830 return err;
2831}
2832
89286dc9
HM		 2833static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2834 struct brcmf_if *ifp)
1a873342 2835{
d34bf64f 2836 struct brcmf_bss_info_le *bi;
4b5800fe 2837 const struct brcmf_tlv *tim;
5b435de0
AS		 2838 u16 beacon_interval;
2839 u8 dtim_period;
2840 size_t ie_len;
2841 u8 *ie;
2842 s32 err = 0;
2843
d96b801f 2844 brcmf_dbg(TRACE, "Enter\n");
128ce3b6 2845 if (brcmf_is_ibssmode(ifp->vif))
5b435de0
AS		 2846 return err;
2847
27a68fe3 2848 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
ac24be6f 2849 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
81f5dcb8 2850 cfg->extra_buf, WL_EXTRA_BUF_MAX);
5b435de0 2851 if (err) {
57d6e91a 2852 brcmf_err("Could not get bss info %d\n", err);
5b435de0
AS		 2853 goto update_bss_info_out;
2854 }
2855
27a68fe3
AS		 2856 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2857 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2858 if (err)
2859 goto update_bss_info_out;
2860
2861 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2862 ie_len = le32_to_cpu(bi->ie_length);
2863 beacon_interval = le16_to_cpu(bi->beacon_period);
2864
f8e4b412 2865 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
5b435de0
AS		 2866 if (tim)
2867 dtim_period = tim->data[1];
2868 else {
2869 /*
2870 * active scan was done so we could not get dtim
2871 * information out of probe response.
2872 * so we speficially query dtim information to dongle.
2873 */
2874 u32 var;
ac24be6f 2875 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
5b435de0 2876 if (err) {
57d6e91a 2877 brcmf_err("wl dtim_assoc failed (%d)\n", err);
5b435de0
AS		 2878 goto update_bss_info_out;
2879 }
2880 dtim_period = (u8)var;
2881 }
2882
5b435de0 2883update_bss_info_out:
d96b801f 2884 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2885 return err;
2886}
2887
18e2f61d 2888void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
5b435de0 2889{
27a68fe3 2890 struct escan_info *escan = &cfg->escan_info;
5b435de0 2891
c1179033 2892 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
f0799895 2893 if (cfg->scan_request) {
108a4bee 2894 escan->escan_state = WL_ESCAN_STATE_IDLE;
a0f472ac 2895 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
5b435de0 2896 }
c1179033
AS		 2897 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2898 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
5b435de0
AS		 2899}
2900
e756af5b
HM		 2901static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2902{
27a68fe3
AS		 2903 struct brcmf_cfg80211_info *cfg =
2904 container_of(work, struct brcmf_cfg80211_info,
e756af5b
HM		 2905 escan_timeout_work);
2906
ef8596e1 2907 brcmf_inform_bss(cfg);
a0f472ac 2908 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
e756af5b
HM		 2909}
2910
2911static void brcmf_escan_timeout(unsigned long data)
2912{
27a68fe3
AS		 2913 struct brcmf_cfg80211_info *cfg =
2914 (struct brcmf_cfg80211_info *)data;
e756af5b 2915
27a68fe3 2916 if (cfg->scan_request) {
57d6e91a 2917 brcmf_err("timer expired\n");
f0799895 2918 schedule_work(&cfg->escan_timeout_work);
e756af5b
HM		 2919 }
2920}
2921
2922static s32
83cf17aa
FL		 2923brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2924 struct brcmf_bss_info_le *bss,
e756af5b
HM		 2925 struct brcmf_bss_info_le *bss_info_le)
2926{
83cf17aa
FL		 2927 struct brcmu_chan ch_bss, ch_bss_info_le;
2928
2929 ch_bss.chspec = le16_to_cpu(bss->chanspec);
2930 cfg->d11inf.decchspec(&ch_bss);
2931 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
2932 cfg->d11inf.decchspec(&ch_bss_info_le);
2933
e756af5b 2934 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
83cf17aa 2935 ch_bss.band == ch_bss_info_le.band &&
e756af5b
HM		 2936 bss_info_le->SSID_len == bss->SSID_len &&
2937 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
6f5838a4
AS		 2938 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
2939 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
029591f3
AS		 2940 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2941 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2942
e756af5b
HM		 2943 /* preserve max RSSI if the measurements are
2944 * both on-channel or both off-channel
2945 */
029591f3 2946 if (bss_info_rssi > bss_rssi)
e756af5b 2947 bss->RSSI = bss_info_le->RSSI;
6f5838a4
AS		 2948 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
2949 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
e756af5b
HM		 2950 /* preserve the on-channel rssi measurement
2951 * if the new measurement is off channel
2952 */
2953 bss->RSSI = bss_info_le->RSSI;
6f5838a4 2954 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
e756af5b
HM		 2955 }
2956 return 1;
2957 }
2958 return 0;
2959}
2960
2961static s32
1993732e 2962brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
e756af5b
HM		 2963 const struct brcmf_event_msg *e, void *data)
2964{
1993732e 2965 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e756af5b 2966 s32 status;
e756af5b
HM		 2967 struct brcmf_escan_result_le *escan_result_le;
2968 struct brcmf_bss_info_le *bss_info_le;
2969 struct brcmf_bss_info_le *bss = NULL;
2970 u32 bi_length;
2971 struct brcmf_scan_results *list;
2972 u32 i;
97ed15c7 2973 bool aborted;
e756af5b 2974
5c36b99a 2975 status = e->status;
e756af5b 2976
a0f472ac 2977 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
37a869ec 2978 brcmf_err("scan not ready, bsscfgidx=%d\n", ifp->bsscfgidx);
e756af5b
HM		 2979 return -EPERM;
2980 }
2981
2982 if (status == BRCMF_E_STATUS_PARTIAL) {
4e8a008e 2983 brcmf_dbg(SCAN, "ESCAN Partial result\n");
e756af5b
HM		 2984 escan_result_le = (struct brcmf_escan_result_le *) data;
2985 if (!escan_result_le) {
57d6e91a 2986 brcmf_err("Invalid escan result (NULL pointer)\n");
e756af5b
HM		 2987 goto exit;
2988 }
e756af5b 2989 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
57d6e91a
AS		 2990 brcmf_err("Invalid bss_count %d: ignoring\n",
2991 escan_result_le->bss_count);
e756af5b
HM		 2992 goto exit;
2993 }
2994 bss_info_le = &escan_result_le->bss_info_le;
2995
6eda4e2c
HM		 2996 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
2997 goto exit;
2998
2999 if (!cfg->scan_request) {
3000 brcmf_dbg(SCAN, "result without cfg80211 request\n");
3001 goto exit;
3002 }
3003
e756af5b
HM		 3004 bi_length = le32_to_cpu(bss_info_le->length);
3005 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
3006 WL_ESCAN_RESULTS_FIXED_SIZE)) {
57d6e91a
AS		 3007 brcmf_err("Invalid bss_info length %d: ignoring\n",
3008 bi_length);
e756af5b
HM		 3009 goto exit;
3010 }
3011
27a68fe3 3012 if (!(cfg_to_wiphy(cfg)->interface_modes &
e756af5b
HM		 3013 BIT(NL80211_IFTYPE_ADHOC))) {
3014 if (le16_to_cpu(bss_info_le->capability) &
3015 WLAN_CAPABILITY_IBSS) {
57d6e91a 3016 brcmf_err("Ignoring IBSS result\n");
e756af5b
HM		 3017 goto exit;
3018 }
3019 }
3020
3021 list = (struct brcmf_scan_results *)
27a68fe3 3022 cfg->escan_info.escan_buf;
d5367334 3023 if (bi_length > BRCMF_ESCAN_BUF_SIZE - list->buflen) {
57d6e91a 3024 brcmf_err("Buffer is too small: ignoring\n");
e756af5b
HM		 3025 goto exit;
3026 }
3027
3028 for (i = 0; i < list->count; i++) {
3029 bss = bss ? (struct brcmf_bss_info_le *)
3030 ((unsigned char *)bss +
3031 le32_to_cpu(bss->length)) : list->bss_info_le;
83cf17aa
FL		 3032 if (brcmf_compare_update_same_bss(cfg, bss,
3033 bss_info_le))
e756af5b
HM		 3034 goto exit;
3035 }
d5367334
HM		 3036 memcpy(&cfg->escan_info.escan_buf[list->buflen], bss_info_le,
3037 bi_length);
e756af5b
HM		 3038 list->version = le32_to_cpu(bss_info_le->version);
3039 list->buflen += bi_length;
3040 list->count++;
3041 } else {
27a68fe3 3042 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
6eda4e2c
HM		 3043 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
3044 goto exit;
27a68fe3 3045 if (cfg->scan_request) {
27a68fe3 3046 brcmf_inform_bss(cfg);
97ed15c7 3047 aborted = status != BRCMF_E_STATUS_SUCCESS;
ef8596e1 3048 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
e756af5b 3049 } else
6eda4e2c
HM		 3050 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
3051 status);
e756af5b
HM		 3052 }
3053exit:
12f32370 3054 return 0;
e756af5b
HM		 3055}
3056
27a68fe3 3057static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
e756af5b 3058{
5c36b99a
AS		 3059 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
3060 brcmf_cfg80211_escan_handler);
f0799895
HM		 3061 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
3062 /* Init scan_timeout timer */
3063 init_timer(&cfg->escan_timeout);
3064 cfg->escan_timeout.data = (unsigned long) cfg;
3065 cfg->escan_timeout.function = brcmf_escan_timeout;
3066 INIT_WORK(&cfg->escan_timeout_work,
3067 brcmf_cfg80211_escan_timeout_worker);
e756af5b
HM		 3068}
3069
5419f7f1
HM		 3070/* PFN result doesn't have all the info which are required by the supplicant
3071 * (For e.g IEs) Do a target Escan so that sched scan results are reported
3072 * via wl_inform_single_bss in the required format. Escan does require the
3073 * scan request in the form of cfg80211_scan_request. For timebeing, create
3074 * cfg80211_scan_request one out of the received PNO event.
3075 */
3021ad9a 3076static s32
5419f7f1
HM		 3077brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
3078 const struct brcmf_event_msg *e, void *data)
3021ad9a
HM		 3079{
3080 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5419f7f1
HM		 3081 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3082 struct cfg80211_scan_request *request = NULL;
3083 struct cfg80211_ssid *ssid = NULL;
3084 struct ieee80211_channel *channel = NULL;
3085 struct wiphy *wiphy = cfg_to_wiphy(cfg);
3086 int err = 0;
3087 int channel_req = 0;
3088 int band = 0;
3021ad9a 3089 struct brcmf_pno_scanresults_le *pfn_result;
5419f7f1
HM		 3090 u32 result_count;
3091 u32 status;
3021ad9a
HM		 3092
3093 brcmf_dbg(SCAN, "Enter\n");
3094
3021ad9a 3095 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
5419f7f1 3096 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
3021ad9a
HM		 3097 return 0;
3098 }
3099
5419f7f1
HM		 3100 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3101 result_count = le32_to_cpu(pfn_result->count);
3102 status = le32_to_cpu(pfn_result->status);
3021ad9a 3103
5419f7f1
HM		 3104 /* PFN event is limited to fit 512 bytes so we may get
3105 * multiple NET_FOUND events. For now place a warning here.
3106 */
3107 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
3108 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
3109 if (result_count > 0) {
3110 int i;
3021ad9a 3111
5419f7f1
HM		 3112 request = kzalloc(sizeof(*request), GFP_KERNEL);
3113 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3114 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
3115 if (!request || !ssid || !channel) {
3116 err = -ENOMEM;
3117 goto out_err;
3118 }
3021ad9a 3119
5419f7f1
HM		 3120 request->wiphy = wiphy;
3121 data += sizeof(struct brcmf_pno_scanresults_le);
3122 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3021ad9a 3123
5419f7f1
HM		 3124 for (i = 0; i < result_count; i++) {
3125 netinfo = &netinfo_start[i];
3126 if (!netinfo) {
3127 brcmf_err("Invalid netinfo ptr. index: %d\n",
3128 i);
3129 err = -EINVAL;
3130 goto out_err;
3131 }
aeb64225 3132
5419f7f1
HM		 3133 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3134 netinfo->SSID, netinfo->channel);
3135 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3136 ssid[i].ssid_len = netinfo->SSID_len;
3137 request->n_ssids++;
aeb64225 3138
5419f7f1
HM		 3139 channel_req = netinfo->channel;
3140 if (channel_req <= CH_MAX_2G_CHANNEL)
3141 band = NL80211_BAND_2GHZ;
3142 else
3143 band = NL80211_BAND_5GHZ;
3144 channel[i].center_freq =
3145 ieee80211_channel_to_frequency(channel_req,
3146 band);
3147 channel[i].band = band;
3148 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3149 request->channels[i] = &channel[i];
3150 request->n_channels++;
3151 }
aeb64225 3152
5419f7f1
HM		 3153 /* assign parsed ssid array */
3154 if (request->n_ssids)
3155 request->ssids = &ssid[0];
aeb64225 3156
5419f7f1
HM		 3157 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3158 /* Abort any on-going scan */
3159 brcmf_abort_scanning(cfg);
aeb64225 3160 }
5419f7f1
HM		 3161
3162 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3163 cfg->escan_info.run = brcmf_run_escan;
3164 err = brcmf_do_escan(cfg, wiphy, ifp, request);
3165 if (err) {
3166 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3167 goto out_err;
3021ad9a 3168 }
5419f7f1
HM		 3169 cfg->sched_escan = true;
3170 cfg->scan_request = request;
aeb64225 3171 } else {
5419f7f1
HM		 3172 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
3173 goto out_err;
aeb64225 3174 }
aeb64225 3175
5419f7f1
HM		 3176 kfree(ssid);
3177 kfree(channel);
3178 kfree(request);
3179 return 0;
aeb64225 3180
5419f7f1
HM		 3181out_err:
3182 kfree(ssid);
3183 kfree(channel);
3184 kfree(request);
3185 cfg80211_sched_scan_stopped(wiphy);
3186 return err;
aeb64225
HM		 3187}
3188
5419f7f1 3189static int brcmf_dev_pno_clean(struct net_device *ndev)
5b435de0 3190{
5419f7f1 3191 int ret;
4eb3af7c 3192
5419f7f1
HM		 3193 /* Disable pfn */
3194 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
3195 if (ret == 0) {
3196 /* clear pfn */
3197 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3198 NULL, 0);
3199 }
3200 if (ret < 0)
3201 brcmf_err("failed code %d\n", ret);
5b435de0 3202
5419f7f1
HM		 3203 return ret;
3204}
3205
3206static int brcmf_dev_pno_config(struct brcmf_if *ifp,
3207 struct cfg80211_sched_scan_request *request)
3208{
3209 struct brcmf_pno_param_le pfn_param;
3210 struct brcmf_pno_macaddr_le pfn_mac;
3211 s32 err;
3212 u8 *mac_mask;
3213 int i;
3214
3215 memset(&pfn_param, 0, sizeof(pfn_param));
3216 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3217
3218 /* set extra pno params */
3219 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3220 pfn_param.repeat = BRCMF_PNO_REPEAT;
3221 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3222
3223 /* set up pno scan fr */
3224 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3225
3226 err = brcmf_fil_iovar_data_set(ifp, "pfn_set", &pfn_param,
3227 sizeof(pfn_param));
3228 if (err) {
3229 brcmf_err("pfn_set failed, err=%d\n", err);
3230 return err;
3231 }
3232
3233 /* Find out if mac randomization should be turned on */
3234 if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR))
3235 return 0;
3236
3237 pfn_mac.version = BRCMF_PFN_MACADDR_CFG_VER;
3238 pfn_mac.flags = BRCMF_PFN_MAC_OUI_ONLY | BRCMF_PFN_SET_MAC_UNASSOC;
3239
3240 memcpy(pfn_mac.mac, request->mac_addr, ETH_ALEN);
3241 mac_mask = request->mac_addr_mask;
3242 for (i = 0; i < ETH_ALEN; i++) {
3243 pfn_mac.mac[i] &= mac_mask[i];
3244 pfn_mac.mac[i] |= get_random_int() & ~(mac_mask[i]);
3245 }
3246 /* Clear multi bit */
3247 pfn_mac.mac[0] &= 0xFE;
3248 /* Set locally administered */
3249 pfn_mac.mac[0] |= 0x02;
3250
3251 err = brcmf_fil_iovar_data_set(ifp, "pfn_macaddr", &pfn_mac,
3252 sizeof(pfn_mac));
3253 if (err)
3254 brcmf_err("pfn_macaddr failed, err=%d\n", err);
3255
3256 return err;
3257}
3258
3259static int
3260brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3261 struct net_device *ndev,
3262 struct cfg80211_sched_scan_request *request)
3263{
3264 struct brcmf_if *ifp = netdev_priv(ndev);
3265 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
3266 struct brcmf_pno_net_param_le pfn;
3267 int i;
3268 int ret = 0;
3269
3270 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
3271 request->n_match_sets, request->n_ssids);
3272 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3273 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
3274 return -EAGAIN;
3275 }
3276 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3277 brcmf_err("Scanning suppressed: status (%lu)\n",
3278 cfg->scan_status);
3279 return -EAGAIN;
3280 }
3281
3282 if (!request->n_ssids || !request->n_match_sets) {
3283 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
3284 request->n_ssids);
3285 return -EINVAL;
3286 }
3287
3288 if (request->n_ssids > 0) {
3289 for (i = 0; i < request->n_ssids; i++) {
3290 /* Active scan req for ssids */
3291 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3292 request->ssids[i].ssid);
3293
3294 /* match_set ssids is a supert set of n_ssid list,
3295 * so we need not add these set separately.
3296 */
3297 }
3298 }
3299
3300 if (request->n_match_sets > 0) {
3301 /* clean up everything */
3302 ret = brcmf_dev_pno_clean(ndev);
3303 if (ret < 0) {
3304 brcmf_err("failed error=%d\n", ret);
3305 return ret;
3306 }
3307
3308 /* configure pno */
3309 if (brcmf_dev_pno_config(ifp, request))
3310 return -EINVAL;
3311
3312 /* configure each match set */
3313 for (i = 0; i < request->n_match_sets; i++) {
3314 struct cfg80211_ssid *ssid;
3315 u32 ssid_len;
3316
3317 ssid = &request->match_sets[i].ssid;
3318 ssid_len = ssid->ssid_len;
3319
3320 if (!ssid_len) {
3321 brcmf_err("skip broadcast ssid\n");
3322 continue;
3323 }
3324 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3325 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3326 pfn.wsec = cpu_to_le32(0);
3327 pfn.infra = cpu_to_le32(1);
3328 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3329 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3330 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
3331 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
3332 sizeof(pfn));
3333 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3334 ret == 0 ? "set" : "failed", ssid->ssid);
3335 }
3336 /* Enable the PNO */
3337 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
3338 brcmf_err("PNO enable failed!! ret=%d\n", ret);
3339 return -EINVAL;
3340 }
3341 } else {
3342 return -EINVAL;
3343 }
3344
3345 return 0;
3346}
3347
3348static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3349 struct net_device *ndev)
3350{
3351 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3352
3353 brcmf_dbg(SCAN, "enter\n");
3354 brcmf_dev_pno_clean(ndev);
3355 if (cfg->sched_escan)
3356 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
3357 return 0;
3358}
3359
3360static __always_inline void brcmf_delay(u32 ms)
3361{
3362 if (ms < 1000 / HZ) {
3363 cond_resched();
3364 mdelay(ms);
3365 } else {
3366 msleep(ms);
3367 }
3368}
3369
3370static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
3371 u8 *pattern, u32 patternsize, u8 *mask,
3372 u32 packet_offset)
3373{
3374 struct brcmf_fil_wowl_pattern_le *filter;
3375 u32 masksize;
3376 u32 patternoffset;
3377 u8 *buf;
3378 u32 bufsize;
3379 s32 ret;
3380
3381 masksize = (patternsize + 7) / 8;
3382 patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
3383
3384 bufsize = sizeof(*filter) + patternsize + masksize;
3385 buf = kzalloc(bufsize, GFP_KERNEL);
3386 if (!buf)
3387 return -ENOMEM;
3388 filter = (struct brcmf_fil_wowl_pattern_le *)buf;
3389
3390 memcpy(filter->cmd, cmd, 4);
3391 filter->masksize = cpu_to_le32(masksize);
3392 filter->offset = cpu_to_le32(packet_offset);
3393 filter->patternoffset = cpu_to_le32(patternoffset);
3394 filter->patternsize = cpu_to_le32(patternsize);
3395 filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
3396
3397 if ((mask) && (masksize))
3398 memcpy(buf + sizeof(*filter), mask, masksize);
3399 if ((pattern) && (patternsize))
3400 memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
3401
3402 ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
3403
3404 kfree(buf);
3405 return ret;
3406}
3407
3408static s32
3409brcmf_wowl_nd_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e,
3410 void *data)
3411{
3412 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3413 struct brcmf_pno_scanresults_le *pfn_result;
3414 struct brcmf_pno_net_info_le *netinfo;
3415
3416 brcmf_dbg(SCAN, "Enter\n");
3417
3418 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3419
3420 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
3421 brcmf_dbg(SCAN, "PFN NET LOST event. Ignore\n");
3422 return 0;
3423 }
3424
3425 if (le32_to_cpu(pfn_result->count) < 1) {
3426 brcmf_err("Invalid result count, expected 1 (%d)\n",
3427 le32_to_cpu(pfn_result->count));
3428 return -EINVAL;
3429 }
3430
3431 data += sizeof(struct brcmf_pno_scanresults_le);
3432 netinfo = (struct brcmf_pno_net_info_le *)data;
3433 memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len);
3434 cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len;
3435 cfg->wowl.nd->n_channels = 1;
3436 cfg->wowl.nd->channels[0] =
3437 ieee80211_channel_to_frequency(netinfo->channel,
3438 netinfo->channel <= CH_MAX_2G_CHANNEL ?
3439 NL80211_BAND_2GHZ : NL80211_BAND_5GHZ);
3440 cfg->wowl.nd_info->n_matches = 1;
3441 cfg->wowl.nd_info->matches[0] = cfg->wowl.nd;
3442
3443 /* Inform (the resume task) that the net detect information was recvd */
3444 cfg->wowl.nd_data_completed = true;
3445 wake_up(&cfg->wowl.nd_data_wait);
3446
3447 return 0;
3448}
3449
3450#ifdef CONFIG_PM
3451
3452static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp)
3453{
3454 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3455 struct brcmf_wowl_wakeind_le wake_ind_le;
3456 struct cfg80211_wowlan_wakeup wakeup_data;
3457 struct cfg80211_wowlan_wakeup *wakeup;
3458 u32 wakeind;
3459 s32 err;
3460 int timeout;
3461
3462 err = brcmf_fil_iovar_data_get(ifp, "wowl_wakeind", &wake_ind_le,
3463 sizeof(wake_ind_le));
3464 if (err) {
3465 brcmf_err("Get wowl_wakeind failed, err = %d\n", err);
3466 return;
3467 }
3468
3469 wakeind = le32_to_cpu(wake_ind_le.ucode_wakeind);
3470 if (wakeind & (BRCMF_WOWL_MAGIC | BRCMF_WOWL_DIS | BRCMF_WOWL_BCN |
3471 BRCMF_WOWL_RETR | BRCMF_WOWL_NET |
3472 BRCMF_WOWL_PFN_FOUND)) {
3473 wakeup = &wakeup_data;
3474 memset(&wakeup_data, 0, sizeof(wakeup_data));
3475 wakeup_data.pattern_idx = -1;
3476
3477 if (wakeind & BRCMF_WOWL_MAGIC) {
3478 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_MAGIC\n");
3479 wakeup_data.magic_pkt = true;
3480 }
3481 if (wakeind & BRCMF_WOWL_DIS) {
3482 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_DIS\n");
3483 wakeup_data.disconnect = true;
3484 }
3485 if (wakeind & BRCMF_WOWL_BCN) {
3486 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_BCN\n");
3487 wakeup_data.disconnect = true;
3488 }
3489 if (wakeind & BRCMF_WOWL_RETR) {
3490 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_RETR\n");
3491 wakeup_data.disconnect = true;
3492 }
3493 if (wakeind & BRCMF_WOWL_NET) {
3494 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_NET\n");
3495 /* For now always map to pattern 0, no API to get
3496 * correct information available at the moment.
3497 */
3498 wakeup_data.pattern_idx = 0;
3499 }
3500 if (wakeind & BRCMF_WOWL_PFN_FOUND) {
3501 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_PFN_FOUND\n");
3502 timeout = wait_event_timeout(cfg->wowl.nd_data_wait,
3503 cfg->wowl.nd_data_completed,
3504 BRCMF_ND_INFO_TIMEOUT);
3505 if (!timeout)
3506 brcmf_err("No result for wowl net detect\n");
3507 else
3508 wakeup_data.net_detect = cfg->wowl.nd_info;
3509 }
3510 } else {
3511 wakeup = NULL;
3512 }
3513 cfg80211_report_wowlan_wakeup(&ifp->vif->wdev, wakeup, GFP_KERNEL);
3514}
3515
3516#else
3517
3518static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp)
3519{
3520}
3521
3522#endif /* CONFIG_PM */
3523
3524static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
3525{
3526 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3527 struct net_device *ndev = cfg_to_ndev(cfg);
3528 struct brcmf_if *ifp = netdev_priv(ndev);
3529
3530 brcmf_dbg(TRACE, "Enter\n");
3531
3532 if (cfg->wowl.active) {
3533 brcmf_report_wowl_wakeind(wiphy, ifp);
3534 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
3535 brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
3536 brcmf_configure_arp_offload(ifp, true);
4eb3af7c 3537 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
3021ad9a
HM		 3538 cfg->wowl.pre_pmmode);
3539 cfg->wowl.active = false;
3540 if (cfg->wowl.nd_enabled) {
3541 brcmf_cfg80211_sched_scan_stop(cfg->wiphy, ifp->ndev);
3542 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND);
3543 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
3544 brcmf_notify_sched_scan_results);
3545 cfg->wowl.nd_enabled = false;
3546 }
4eb3af7c 3547 }
5b435de0
AS		 3548 return 0;
3549}
3550
4eb3af7c
HM		 3551static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
3552 struct brcmf_if *ifp,
3553 struct cfg80211_wowlan *wowl)
3554{
3555 u32 wowl_config;
b9a82f89 3556 u32 i;
4eb3af7c
HM		 3557
3558 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
3559
b9a82f89 3560 brcmf_configure_arp_offload(ifp, false);
3021ad9a 3561 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->wowl.pre_pmmode);
4eb3af7c
HM		 3562 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
3563
3564 wowl_config = 0;
3565 if (wowl->disconnect)
b9a82f89 3566 wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
4eb3af7c 3567 if (wowl->magic_pkt)
b9a82f89
HM		 3568 wowl_config |= BRCMF_WOWL_MAGIC;
3569 if ((wowl->patterns) && (wowl->n_patterns)) {
3570 wowl_config |= BRCMF_WOWL_NET;
3571 for (i = 0; i < wowl->n_patterns; i++) {
3572 brcmf_config_wowl_pattern(ifp, "add",
3573 (u8 *)wowl->patterns[i].pattern,
3574 wowl->patterns[i].pattern_len,
3575 (u8 *)wowl->patterns[i].mask,
3576 wowl->patterns[i].pkt_offset);
3577 }
3578 }
3021ad9a
HM		 3579 if (wowl->nd_config) {
3580 brcmf_cfg80211_sched_scan_start(cfg->wiphy, ifp->ndev,
3581 wowl->nd_config);
3582 wowl_config |= BRCMF_WOWL_PFN_FOUND;
3583
3584 cfg->wowl.nd_data_completed = false;
3585 cfg->wowl.nd_enabled = true;
3586 /* Now reroute the event for PFN to the wowl function. */
3587 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND);
3588 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
3589 brcmf_wowl_nd_results);
3590 }
3591 if (!test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
3592 wowl_config |= BRCMF_WOWL_UNASSOC;
3593
aeb64225 3594 brcmf_fil_iovar_data_set(ifp, "wowl_wakeind", "clear", strlen("clear"));
4eb3af7c
HM		 3595 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
3596 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
3597 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
3021ad9a 3598 cfg->wowl.active = true;
4eb3af7c
HM		 3599}
3600
5b435de0 3601static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
4eb3af7c 3602 struct cfg80211_wowlan *wowl)
5b435de0 3603{
27a68fe3
AS		 3604 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3605 struct net_device *ndev = cfg_to_ndev(cfg);
4eb3af7c 3606 struct brcmf_if *ifp = netdev_priv(ndev);
7d641072 3607 struct brcmf_cfg80211_vif *vif;
5b435de0 3608
d96b801f 3609 brcmf_dbg(TRACE, "Enter\n");
5b435de0 3610
4eb3af7c 3611 /* if the primary net_device is not READY there is nothing
7d641072 3612 * we can do but pray resume goes smoothly.
5b435de0 3613 */
4eb3af7c 3614 if (!check_vif_up(ifp->vif))
7d641072 3615 goto exit;
5b435de0 3616
3021ad9a
HM		 3617 /* Stop scheduled scan */
3618 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO))
3619 brcmf_cfg80211_sched_scan_stop(wiphy, ndev);
3620
7d641072
AS		 3621 /* end any scanning */
3622 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
27a68fe3 3623 brcmf_abort_scanning(cfg);
5b435de0 3624
4eb3af7c
HM		 3625 if (wowl == NULL) {
3626 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
3627 list_for_each_entry(vif, &cfg->vif_list, list) {
3628 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
3629 continue;
3630 /* While going to suspend if associated with AP
3631 * disassociate from AP to save power while system is
3632 * in suspended state
3633 */
9b7a0ddc 3634 brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED);
4eb3af7c
HM		 3635 /* Make sure WPA_Supplicant receives all the event
3636 * generated due to DISASSOC call to the fw to keep
5419f7f1
HM		 3637 * the state fw and WPA_Supplicant state consistent
3638 */
3639 brcmf_delay(500);
e5806072 3640 }
5419f7f1
HM		 3641 /* Configure MPC */
3642 brcmf_set_mpc(ifp, 1);
e5806072 3643
e5806072 3644 } else {
5419f7f1
HM		 3645 /* Configure WOWL paramaters */
3646 brcmf_configure_wowl(cfg, ifp, wowl);
e5806072
AS		 3647 }
3648
5419f7f1
HM		 3649exit:
3650 brcmf_dbg(TRACE, "Exit\n");
3651 /* clear any scanning activity */
3652 cfg->scan_status = 0;
e5806072 3653 return 0;
e5806072
AS		 3654}
3655
5419f7f1
HM		 3656static __used s32
3657brcmf_update_pmklist(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp)
e5806072 3658{
5419f7f1 3659 struct brcmf_pmk_list_le *pmk_list;
48ed16e8 3660 int i;
5419f7f1
HM		 3661 u32 npmk;
3662 s32 err;
e5806072 3663
5419f7f1
HM		 3664 pmk_list = &cfg->pmk_list;
3665 npmk = le32_to_cpu(pmk_list->npmk);
48ed16e8 3666
5419f7f1
HM		 3667 brcmf_dbg(CONN, "No of elements %d\n", npmk);
3668 for (i = 0; i < npmk; i++)
3669 brcmf_dbg(CONN, "PMK[%d]: %pM\n", i, &pmk_list->pmk[i].bssid);
48ed16e8 3670
5419f7f1
HM		 3671 err = brcmf_fil_iovar_data_set(ifp, "pmkid_info", pmk_list,
3672 sizeof(*pmk_list));
48ed16e8
HM		 3673
3674 return err;
e5806072
AS		 3675}
3676
5419f7f1
HM		 3677static s32
3678brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3679 struct cfg80211_pmksa *pmksa)
e5806072 3680{
5419f7f1 3681 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
c1179033 3682 struct brcmf_if *ifp = netdev_priv(ndev);
5419f7f1
HM		 3683 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
3684 s32 err;
3685 u32 npmk, i;
e5806072 3686
5419f7f1
HM		 3687 brcmf_dbg(TRACE, "Enter\n");
3688 if (!check_vif_up(ifp->vif))
3689 return -EIO;
e5806072 3690
5419f7f1
HM		 3691 npmk = le32_to_cpu(cfg->pmk_list.npmk);
3692 for (i = 0; i < npmk; i++)
3693 if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN))
3694 break;
3695 if (i < BRCMF_MAXPMKID) {
3696 memcpy(pmk[i].bssid, pmksa->bssid, ETH_ALEN);
3697 memcpy(pmk[i].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
3698 if (i == npmk) {
3699 npmk++;
3700 cfg->pmk_list.npmk = cpu_to_le32(npmk);
3701 }
3702 } else {
3703 brcmf_err("Too many PMKSA entries cached %d\n", npmk);
e5806072
AS		 3704 return -EINVAL;
3705 }
3706
5419f7f1
HM		 3707 brcmf_dbg(CONN, "set_pmksa - PMK bssid: %pM =\n", pmk[npmk].bssid);
3708 for (i = 0; i < WLAN_PMKID_LEN; i += 4)
3709 brcmf_dbg(CONN, "%02x %02x %02x %02x\n", pmk[npmk].pmkid[i],
3710 pmk[npmk].pmkid[i + 1], pmk[npmk].pmkid[i + 2],
3711 pmk[npmk].pmkid[i + 3]);
e5806072 3712
5419f7f1 3713 err = brcmf_update_pmklist(cfg, ifp);
e5806072 3714
5419f7f1
HM		 3715 brcmf_dbg(TRACE, "Exit\n");
3716 return err;
3717}
e5806072 3718
5419f7f1
HM		 3719static s32
3720brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3721 struct cfg80211_pmksa *pmksa)
3722{
3723 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3724 struct brcmf_if *ifp = netdev_priv(ndev);
3725 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
3726 s32 err;
3727 u32 npmk, i;
e5806072 3728
5419f7f1
HM		 3729 brcmf_dbg(TRACE, "Enter\n");
3730 if (!check_vif_up(ifp->vif))
3731 return -EIO;
e5806072 3732
5419f7f1 3733 brcmf_dbg(CONN, "del_pmksa - PMK bssid = %pM\n", &pmksa->bssid);
e5806072 3734
5419f7f1
HM		 3735 npmk = le32_to_cpu(cfg->pmk_list.npmk);
3736 for (i = 0; i < npmk; i++)
3737 if (!memcmp(&pmksa->bssid, &pmk[i].bssid, ETH_ALEN))
3738 break;
3739
3740 if ((npmk > 0) && (i < npmk)) {
3741 for (; i < (npmk - 1); i++) {
3742 memcpy(&pmk[i].bssid, &pmk[i + 1].bssid, ETH_ALEN);
3743 memcpy(&pmk[i].pmkid, &pmk[i + 1].pmkid,
3744 WLAN_PMKID_LEN);
e5806072 3745 }
5419f7f1
HM		 3746 memset(&pmk[i], 0, sizeof(*pmk));
3747 cfg->pmk_list.npmk = cpu_to_le32(npmk - 1);
e5806072 3748 } else {
5419f7f1 3749 brcmf_err("Cache entry not found\n");
e5806072
AS		 3750 return -EINVAL;
3751 }
3752
5419f7f1
HM		 3753 err = brcmf_update_pmklist(cfg, ifp);
3754
3755 brcmf_dbg(TRACE, "Exit\n");
3756 return err;
3757
e5806072
AS		 3758}
3759
5419f7f1
HM		 3760static s32
3761brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
e5806072 3762{
27a68fe3 3763 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
5419f7f1
HM		 3764 struct brcmf_if *ifp = netdev_priv(ndev);
3765 s32 err;
3766
3767 brcmf_dbg(TRACE, "Enter\n");
3768 if (!check_vif_up(ifp->vif))
3769 return -EIO;
3770
3771 memset(&cfg->pmk_list, 0, sizeof(cfg->pmk_list));
3772 err = brcmf_update_pmklist(cfg, ifp);
3773
3774 brcmf_dbg(TRACE, "Exit\n");
3775 return err;
e5806072 3776
e5806072 3777}
e5806072 3778
1f170110 3779static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
1a873342
HM		 3780{
3781 s32 err;
3782
3783 /* set auth */
ac24be6f 3784 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
1a873342 3785 if (err < 0) {
57d6e91a 3786 brcmf_err("auth error %d\n", err);
1a873342
HM		 3787 return err;
3788 }
3789 /* set wsec */
ac24be6f 3790 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
1a873342 3791 if (err < 0) {
57d6e91a 3792 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3793 return err;
3794 }
3795 /* set upper-layer auth */
ac24be6f 3796 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
1a873342 3797 if (err < 0) {
57d6e91a 3798 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3799 return err;
3800 }
3801
3802 return 0;
3803}
3804
3805static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3806{
3807 if (is_rsn_ie)
3808 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3809
3810 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3811}
3812
3813static s32
a44aa400 3814brcmf_configure_wpaie(struct brcmf_if *ifp,
4b5800fe
JB		 3815 const struct brcmf_vs_tlv *wpa_ie,
3816 bool is_rsn_ie)
1a873342
HM		 3817{
3818 u32 auth = 0; /* d11 open authentication */
3819 u16 count;
3820 s32 err = 0;
3821 s32 len = 0;
3822 u32 i;
3823 u32 wsec;
3824 u32 pval = 0;
3825 u32 gval = 0;
3826 u32 wpa_auth = 0;
3827 u32 offset;
3828 u8 *data;
3829 u16 rsn_cap;
3830 u32 wme_bss_disable;
3831
d96b801f 3832 brcmf_dbg(TRACE, "Enter\n");
1a873342
HM		 3833 if (wpa_ie == NULL)
3834 goto exit;
3835
3836 len = wpa_ie->len + TLV_HDR_LEN;
3837 data = (u8 *)wpa_ie;
619c5a9a 3838 offset = TLV_HDR_LEN;
1a873342
HM		 3839 if (!is_rsn_ie)
3840 offset += VS_IE_FIXED_HDR_LEN;
619c5a9a
HM		 3841 else
3842 offset += WPA_IE_VERSION_LEN;
1a873342
HM		 3843
3844 /* check for multicast cipher suite */
3845 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3846 err = -EINVAL;
57d6e91a 3847 brcmf_err("no multicast cipher suite\n");
1a873342
HM		 3848 goto exit;
3849 }
3850
3851 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3852 err = -EINVAL;
57d6e91a 3853 brcmf_err("ivalid OUI\n");
1a873342
HM		 3854 goto exit;
3855 }
3856 offset += TLV_OUI_LEN;
3857
3858 /* pick up multicast cipher */
3859 switch (data[offset]) {
3860 case WPA_CIPHER_NONE:
3861 gval = 0;
3862 break;
3863 case WPA_CIPHER_WEP_40:
3864 case WPA_CIPHER_WEP_104:
3865 gval = WEP_ENABLED;
3866 break;
3867 case WPA_CIPHER_TKIP:
3868 gval = TKIP_ENABLED;
3869 break;
3870 case WPA_CIPHER_AES_CCM:
3871 gval = AES_ENABLED;
3872 break;
3873 default:
3874 err = -EINVAL;
57d6e91a 3875 brcmf_err("Invalid multi cast cipher info\n");
1a873342
HM		 3876 goto exit;
3877 }
3878
3879 offset++;
3880 /* walk thru unicast cipher list and pick up what we recognize */
3881 count = data[offset] + (data[offset + 1] << 8);
3882 offset += WPA_IE_SUITE_COUNT_LEN;
3883 /* Check for unicast suite(s) */
3884 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3885 err = -EINVAL;
57d6e91a 3886 brcmf_err("no unicast cipher suite\n");
1a873342
HM		 3887 goto exit;
3888 }
3889 for (i = 0; i < count; i++) {
3890 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3891 err = -EINVAL;
57d6e91a 3892 brcmf_err("ivalid OUI\n");
1a873342
HM		 3893 goto exit;
3894 }
3895 offset += TLV_OUI_LEN;
3896 switch (data[offset]) {
3897 case WPA_CIPHER_NONE:
3898 break;
3899 case WPA_CIPHER_WEP_40:
3900 case WPA_CIPHER_WEP_104:
3901 pval |= WEP_ENABLED;
3902 break;
3903 case WPA_CIPHER_TKIP:
3904 pval |= TKIP_ENABLED;
3905 break;
3906 case WPA_CIPHER_AES_CCM:
3907 pval |= AES_ENABLED;
3908 break;
3909 default:
57d6e91a 3910 brcmf_err("Ivalid unicast security info\n");
1a873342
HM		 3911 }
3912 offset++;
3913 }
3914 /* walk thru auth management suite list and pick up what we recognize */
3915 count = data[offset] + (data[offset + 1] << 8);
3916 offset += WPA_IE_SUITE_COUNT_LEN;
3917 /* Check for auth key management suite(s) */
3918 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3919 err = -EINVAL;
57d6e91a 3920 brcmf_err("no auth key mgmt suite\n");
1a873342
HM		 3921 goto exit;
3922 }
3923 for (i = 0; i < count; i++) {
3924 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3925 err = -EINVAL;
57d6e91a 3926 brcmf_err("ivalid OUI\n");
1a873342
HM		 3927 goto exit;
3928 }
3929 offset += TLV_OUI_LEN;
3930 switch (data[offset]) {
3931 case RSN_AKM_NONE:
d96b801f 3932 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
1a873342
HM		 3933 wpa_auth |= WPA_AUTH_NONE;
3934 break;
3935 case RSN_AKM_UNSPECIFIED:
d96b801f 3936 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
1a873342
HM		 3937 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3938 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3939 break;
3940 case RSN_AKM_PSK:
d96b801f 3941 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
1a873342
HM		 3942 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3943 (wpa_auth |= WPA_AUTH_PSK);
3944 break;
3945 default:
57d6e91a 3946 brcmf_err("Ivalid key mgmt info\n");
1a873342
HM		 3947 }
3948 offset++;
3949 }
3950
3951 if (is_rsn_ie) {
3952 wme_bss_disable = 1;
3953 if ((offset + RSN_CAP_LEN) <= len) {
3954 rsn_cap = data[offset] + (data[offset + 1] << 8);
3955 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3956 wme_bss_disable = 0;
3957 }
3958 /* set wme_bss_disable to sync RSN Capabilities */
ac24be6f 3959 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
81f5dcb8 3960 wme_bss_disable);
1a873342 3961 if (err < 0) {
57d6e91a 3962 brcmf_err("wme_bss_disable error %d\n", err);
1a873342
HM		 3963 goto exit;
3964 }
3965 }
3966 /* FOR WPS , set SES_OW_ENABLED */
3967 wsec = (pval | gval | SES_OW_ENABLED);
3968
3969 /* set auth */
ac24be6f 3970 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
1a873342 3971 if (err < 0) {
57d6e91a 3972 brcmf_err("auth error %d\n", err);
1a873342
HM		 3973 goto exit;
3974 }
3975 /* set wsec */
ac24be6f 3976 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
1a873342 3977 if (err < 0) {
57d6e91a 3978 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3979 goto exit;
3980 }
3981 /* set upper-layer auth */
ac24be6f 3982 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
1a873342 3983 if (err < 0) {
57d6e91a 3984 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3985 goto exit;
3986 }
3987
3988exit:
3989 return err;
3990}
3991
3992static s32
3082b9be 3993brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
1a873342
HM		 3994 struct parsed_vndr_ies *vndr_ies)
3995{
1a873342
HM		 3996 struct brcmf_vs_tlv *vndrie;
3997 struct brcmf_tlv *ie;
3998 struct parsed_vndr_ie_info *parsed_info;
3999 s32 remaining_len;
4000
4001 remaining_len = (s32)vndr_ie_len;
4002 memset(vndr_ies, 0, sizeof(*vndr_ies));
4003
4004 ie = (struct brcmf_tlv *)vndr_ie_buf;
4005 while (ie) {
4006 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
4007 goto next;
4008 vndrie = (struct brcmf_vs_tlv *)ie;
4009 /* len should be bigger than OUI length + one */
4010 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
57d6e91a
AS		 4011 brcmf_err("invalid vndr ie. length is too small %d\n",
4012 vndrie->len);
1a873342
HM		 4013 goto next;
4014 }
4015 /* if wpa or wme ie, do not add ie */
4016 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
4017 ((vndrie->oui_type == WPA_OUI_TYPE) ||
4018 (vndrie->oui_type == WME_OUI_TYPE))) {
d96b801f 4019 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
1a873342
HM		 4020 goto next;
4021 }
4022
4023 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
4024
4025 /* save vndr ie information */
4026 parsed_info->ie_ptr = (char *)vndrie;
4027 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
4028 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
4029
4030 vndr_ies->count++;
4031
d96b801f
AS		 4032 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
4033 parsed_info->vndrie.oui[0],
4034 parsed_info->vndrie.oui[1],
4035 parsed_info->vndrie.oui[2],
4036 parsed_info->vndrie.oui_type);
1a873342 4037
9f440b7b 4038 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
1a873342
HM		 4039 break;
4040next:
b41fc3d7
HM		 4041 remaining_len -= (ie->len + TLV_HDR_LEN);
4042 if (remaining_len <= TLV_HDR_LEN)
1a873342
HM		 4043 ie = NULL;
4044 else
b41fc3d7
HM		 4045 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
4046 TLV_HDR_LEN);
1a873342 4047 }
12f32370 4048 return 0;
1a873342
HM		 4049}
4050
4051static u32
4052brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
4053{
4054
1a873342
HM		 4055 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
4056 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
4057
362126cd 4058 put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]);
1a873342 4059
362126cd 4060 put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]);
1a873342
HM		 4061
4062 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
4063
4064 return ie_len + VNDR_IE_HDR_SIZE;
4065}
4066
1332e26e
AS		 4067s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
4068 const u8 *vndr_ie_buf, u32 vndr_ie_len)
1a873342 4069{
1332e26e
AS		 4070 struct brcmf_if *ifp;
4071 struct vif_saved_ie *saved_ie;
1a873342
HM		 4072 s32 err = 0;
4073 u8 *iovar_ie_buf;
4074 u8 *curr_ie_buf;
4075 u8 *mgmt_ie_buf = NULL;
3e4f319d 4076 int mgmt_ie_buf_len;
81118d16 4077 u32 *mgmt_ie_len;
1a873342
HM		 4078 u32 del_add_ie_buf_len = 0;
4079 u32 total_ie_buf_len = 0;
4080 u32 parsed_ie_buf_len = 0;
4081 struct parsed_vndr_ies old_vndr_ies;
4082 struct parsed_vndr_ies new_vndr_ies;
4083 struct parsed_vndr_ie_info *vndrie_info;
4084 s32 i;
4085 u8 *ptr;
3e4f319d 4086 int remained_buf_len;
1a873342 4087
1332e26e
AS		 4088 if (!vif)
4089 return -ENODEV;
4090 ifp = vif->ifp;
4091 saved_ie = &vif->saved_ie;
4092
37a869ec
HM		 4093 brcmf_dbg(TRACE, "bsscfgidx %d, pktflag : 0x%02X\n", ifp->bsscfgidx,
4094 pktflag);
1a873342
HM		 4095 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
4096 if (!iovar_ie_buf)
4097 return -ENOMEM;
4098 curr_ie_buf = iovar_ie_buf;
89286dc9
HM		 4099 switch (pktflag) {
4100 case BRCMF_VNDR_IE_PRBREQ_FLAG:
4101 mgmt_ie_buf = saved_ie->probe_req_ie;
4102 mgmt_ie_len = &saved_ie->probe_req_ie_len;
4103 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
4104 break;
4105 case BRCMF_VNDR_IE_PRBRSP_FLAG:
4106 mgmt_ie_buf = saved_ie->probe_res_ie;
4107 mgmt_ie_len = &saved_ie->probe_res_ie_len;
4108 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
4109 break;
4110 case BRCMF_VNDR_IE_BEACON_FLAG:
4111 mgmt_ie_buf = saved_ie->beacon_ie;
4112 mgmt_ie_len = &saved_ie->beacon_ie_len;
4113 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
4114 break;
4115 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
4116 mgmt_ie_buf = saved_ie->assoc_req_ie;
4117 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
4118 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
4119 break;
4120 default:
4121 err = -EPERM;
4122 brcmf_err("not suitable type\n");
4123 goto exit;
1a873342
HM		 4124 }
4125
4126 if (vndr_ie_len > mgmt_ie_buf_len) {
4127 err = -ENOMEM;
57d6e91a 4128 brcmf_err("extra IE size too big\n");
1a873342
HM		 4129 goto exit;
4130 }
4131
4132 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
4133 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
4134 ptr = curr_ie_buf;
4135 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
4136 for (i = 0; i < new_vndr_ies.count; i++) {
4137 vndrie_info = &new_vndr_ies.ie_info[i];
4138 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
4139 vndrie_info->ie_len);
4140 parsed_ie_buf_len += vndrie_info->ie_len;
4141 }
4142 }
4143
b41fc3d7 4144 if (mgmt_ie_buf && *mgmt_ie_len) {
1a873342
HM		 4145 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
4146 (memcmp(mgmt_ie_buf, curr_ie_buf,
4147 parsed_ie_buf_len) == 0)) {
d96b801f 4148 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
1a873342
HM		 4149 goto exit;
4150 }
4151
4152 /* parse old vndr_ie */
4153 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
4154
4155 /* make a command to delete old ie */
4156 for (i = 0; i < old_vndr_ies.count; i++) {
4157 vndrie_info = &old_vndr_ies.ie_info[i];
4158
d96b801f
AS		 4159 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
4160 vndrie_info->vndrie.id,
4161 vndrie_info->vndrie.len,
4162 vndrie_info->vndrie.oui[0],
4163 vndrie_info->vndrie.oui[1],
4164 vndrie_info->vndrie.oui[2]);
1a873342
HM		 4165
4166 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
4167 vndrie_info->ie_ptr,
4168 vndrie_info->ie_len,
4169 "del");
4170 curr_ie_buf += del_add_ie_buf_len;
4171 total_ie_buf_len += del_add_ie_buf_len;
4172 }
4173 }
4174
4175 *mgmt_ie_len = 0;
4176 /* Add if there is any extra IE */
4177 if (mgmt_ie_buf && parsed_ie_buf_len) {
4178 ptr = mgmt_ie_buf;
4179
4180 remained_buf_len = mgmt_ie_buf_len;
4181
4182 /* make a command to add new ie */
4183 for (i = 0; i < new_vndr_ies.count; i++) {
4184 vndrie_info = &new_vndr_ies.ie_info[i];
4185
b41fc3d7
HM		 4186 /* verify remained buf size before copy data */
4187 if (remained_buf_len < (vndrie_info->vndrie.len +
4188 VNDR_IE_VSIE_OFFSET)) {
57d6e91a
AS		 4189 brcmf_err("no space in mgmt_ie_buf: len left %d",
4190 remained_buf_len);
b41fc3d7
HM		 4191 break;
4192 }
4193 remained_buf_len -= (vndrie_info->ie_len +
4194 VNDR_IE_VSIE_OFFSET);
4195
d96b801f
AS		 4196 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
4197 vndrie_info->vndrie.id,
4198 vndrie_info->vndrie.len,
4199 vndrie_info->vndrie.oui[0],
4200 vndrie_info->vndrie.oui[1],
4201 vndrie_info->vndrie.oui[2]);
1a873342
HM		 4202
4203 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
4204 vndrie_info->ie_ptr,
4205 vndrie_info->ie_len,
4206 "add");
1a873342
HM		 4207
4208 /* save the parsed IE in wl struct */
4209 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
4210 vndrie_info->ie_len);
4211 *mgmt_ie_len += vndrie_info->ie_len;
4212
4213 curr_ie_buf += del_add_ie_buf_len;
4214 total_ie_buf_len += del_add_ie_buf_len;
4215 }
4216 }
4217 if (total_ie_buf_len) {
c1179033 4218 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
81f5dcb8 4219 total_ie_buf_len);
1a873342 4220 if (err)
57d6e91a 4221 brcmf_err("vndr ie set error : %d\n", err);
1a873342
HM		 4222 }
4223
4224exit:
4225 kfree(iovar_ie_buf);
4226 return err;
4227}
4228
5f4f9f11
AS		 4229s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
4230{
4231 s32 pktflags[] = {
4232 BRCMF_VNDR_IE_PRBREQ_FLAG,
4233 BRCMF_VNDR_IE_PRBRSP_FLAG,
4234 BRCMF_VNDR_IE_BEACON_FLAG
4235 };
4236 int i;
4237
4238 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
4239 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
4240
4241 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
4242 return 0;
4243}
4244
a0f07959
HM		 4245static s32
4246brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
4247 struct cfg80211_beacon_data *beacon)
4248{
4249 s32 err;
4250
4251 /* Set Beacon IEs to FW */
4252 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
4253 beacon->tail, beacon->tail_len);
4254 if (err) {
4255 brcmf_err("Set Beacon IE Failed\n");
4256 return err;
4257 }
4258 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
4259
4260 /* Set Probe Response IEs to FW */
4261 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
4262 beacon->proberesp_ies,
4263 beacon->proberesp_ies_len);
4264 if (err)
4265 brcmf_err("Set Probe Resp IE Failed\n");
4266 else
4267 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
4268
4269 return err;
4270}
4271
1a873342
HM		 4272static s32
4273brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
4274 struct cfg80211_ap_settings *settings)
4275{
4276 s32 ie_offset;
1c9d30cf 4277 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
ac24be6f 4278 struct brcmf_if *ifp = netdev_priv(ndev);
4b5800fe 4279 const struct brcmf_tlv *ssid_ie;
98027769 4280 const struct brcmf_tlv *country_ie;
1a873342 4281 struct brcmf_ssid_le ssid_le;
1a873342 4282 s32 err = -EPERM;
4b5800fe
JB		 4283 const struct brcmf_tlv *rsn_ie;
4284 const struct brcmf_vs_tlv *wpa_ie;
1a873342 4285 struct brcmf_join_params join_params;
a0f07959
HM		 4286 enum nl80211_iftype dev_role;
4287 struct brcmf_fil_bss_enable_le bss_enable;
06c01585 4288 u16 chanspec;
a44aa400 4289 bool mbss;
98027769 4290 int is_11d;
1a873342 4291
06c01585
AS		 4292 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
4293 settings->chandef.chan->hw_value,
4294 settings->chandef.center_freq1, settings->chandef.width,
a9a56878 4295 settings->beacon_interval, settings->dtim_period);
d96b801f
AS		 4296 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
4297 settings->ssid, settings->ssid_len, settings->auth_type,
4298 settings->inactivity_timeout);
426d0a56 4299 dev_role = ifp->vif->wdev.iftype;
a44aa400 4300 mbss = ifp->vif->mbss;
1a873342 4301
98027769
AS		 4302 /* store current 11d setting */
4303 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d);
4304 country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4305 settings->beacon.tail_len,
4306 WLAN_EID_COUNTRY);
4307 is_11d = country_ie ? 1 : 0;
4308
1a873342
HM		 4309 memset(&ssid_le, 0, sizeof(ssid_le));
4310 if (settings->ssid == NULL || settings->ssid_len == 0) {
4311 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
4312 ssid_ie = brcmf_parse_tlvs(
4313 (u8 *)&settings->beacon.head[ie_offset],
4314 settings->beacon.head_len - ie_offset,
4315 WLAN_EID_SSID);
4316 if (!ssid_ie)
4317 return -EINVAL;
4318
4319 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
4320 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
d96b801f 4321 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
1a873342
HM		 4322 } else {
4323 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
4324 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
4325 }
4326
a44aa400
HM		 4327 if (!mbss) {
4328 brcmf_set_mpc(ifp, 0);
4329 brcmf_configure_arp_offload(ifp, false);
4330 }
1a873342
HM		 4331
4332 /* find the RSN_IE */
4333 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4334 settings->beacon.tail_len, WLAN_EID_RSN);
4335
4336 /* find the WPA_IE */
4337 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
4338 settings->beacon.tail_len);
4339
1a873342 4340 if ((wpa_ie != NULL || rsn_ie != NULL)) {
d96b801f 4341 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
1a873342
HM		 4342 if (wpa_ie != NULL) {
4343 /* WPA IE */
a44aa400 4344 err = brcmf_configure_wpaie(ifp, wpa_ie, false);
1a873342
HM		 4345 if (err < 0)
4346 goto exit;
1a873342 4347 } else {
a44aa400
HM		 4348 struct brcmf_vs_tlv *tmp_ie;
4349
4350 tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
4351
1a873342 4352 /* RSN IE */
a44aa400 4353 err = brcmf_configure_wpaie(ifp, tmp_ie, true);
1a873342
HM		 4354 if (err < 0)
4355 goto exit;
1a873342 4356 }
1a873342 4357 } else {
d96b801f 4358 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
1f170110 4359 brcmf_configure_opensecurity(ifp);
1a873342 4360 }
1a873342 4361
a0f07959 4362 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
1a873342 4363
a44aa400
HM		 4364 if (!mbss) {
4365 chanspec = chandef_to_chanspec(&cfg->d11inf,
4366 &settings->chandef);
4367 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
1a873342 4368 if (err < 0) {
a44aa400
HM		 4369 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4370 chanspec, err);
1a873342
HM		 4371 goto exit;
4372 }
a44aa400 4373
98027769
AS		 4374 if (is_11d != ifp->vif->is_11d) {
4375 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4376 is_11d);
4377 if (err < 0) {
4378 brcmf_err("Regulatory Set Error, %d\n", err);
4379 goto exit;
4380 }
4381 }
a44aa400
HM		 4382 if (settings->beacon_interval) {
4383 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
4384 settings->beacon_interval);
4385 if (err < 0) {
4386 brcmf_err("Beacon Interval Set Error, %d\n",
4387 err);
4388 goto exit;
4389 }
4390 }
4391 if (settings->dtim_period) {
4392 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
4393 settings->dtim_period);
4394 if (err < 0) {
4395 brcmf_err("DTIM Interval Set Error, %d\n", err);
4396 goto exit;
4397 }
1a873342 4398 }
a0f07959 4399
8abffd81
HM		 4400 if ((dev_role == NL80211_IFTYPE_AP) &&
4401 ((ifp->ifidx == 0) ||
4402 !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) {
a44aa400
HM		 4403 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4404 if (err < 0) {
4405 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4406 goto exit;
4407 }
4408 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
4409 }
4410
4411 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
a0f07959 4412 if (err < 0) {
a44aa400 4413 brcmf_err("SET INFRA error %d\n", err);
a0f07959
HM		 4414 goto exit;
4415 }
98027769
AS		 4416 } else if (WARN_ON(is_11d != ifp->vif->is_11d)) {
4417 /* Multiple-BSS should use same 11d configuration */
4418 err = -EINVAL;
4419 goto exit;
1a873342 4420 }
a0f07959 4421 if (dev_role == NL80211_IFTYPE_AP) {
a44aa400
HM		 4422 if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
4423 brcmf_fil_iovar_int_set(ifp, "mbss", 1);
4424
a0f07959
HM		 4425 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
4426 if (err < 0) {
4427 brcmf_err("setting AP mode failed %d\n", err);
4428 goto exit;
4429 }
4430 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4431 if (err < 0) {
4432 brcmf_err("BRCMF_C_UP error (%d)\n", err);
4433 goto exit;
4434 }
118eb304
HM		 4435 /* On DOWN the firmware removes the WEP keys, reconfigure
4436 * them if they were set.
4437 */
4438 brcmf_cfg80211_reconfigure_wep(ifp);
a0f07959
HM		 4439
4440 memset(&join_params, 0, sizeof(join_params));
4441 /* join parameters starts with ssid */
4442 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
4443 /* create softap */
4444 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4445 &join_params, sizeof(join_params));
4446 if (err < 0) {
4447 brcmf_err("SET SSID error (%d)\n", err);
4448 goto exit;
4449 }
4450 brcmf_dbg(TRACE, "AP mode configuration complete\n");
4451 } else {
4452 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
4453 sizeof(ssid_le));
4454 if (err < 0) {
4455 brcmf_err("setting ssid failed %d\n", err);
4456 goto exit;
4457 }
37a869ec 4458 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx);
a0f07959
HM		 4459 bss_enable.enable = cpu_to_le32(1);
4460 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4461 sizeof(bss_enable));
4462 if (err < 0) {
4463 brcmf_err("bss_enable config failed %d\n", err);
4464 goto exit;
4465 }
4466
4467 brcmf_dbg(TRACE, "GO mode configuration complete\n");
4468 }
c1179033 4469 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
92121e69 4470 brcmf_net_setcarrier(ifp, true);
1a873342
HM		 4471
4472exit:
a44aa400 4473 if ((err) && (!mbss)) {
f96aa07e 4474 brcmf_set_mpc(ifp, 1);
b3657453
HM		 4475 brcmf_configure_arp_offload(ifp, true);
4476 }
1a873342
HM		 4477 return err;
4478}
4479
4480static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
4481{
c1179033 4482 struct brcmf_if *ifp = netdev_priv(ndev);
5c33a942 4483 s32 err;
426d0a56 4484 struct brcmf_fil_bss_enable_le bss_enable;
5c33a942 4485 struct brcmf_join_params join_params;
1a873342 4486
d96b801f 4487 brcmf_dbg(TRACE, "Enter\n");
1a873342 4488
426d0a56 4489 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
1a873342
HM		 4490 /* Due to most likely deauths outstanding we sleep */
4491 /* first to make sure they get processed by fw. */
4492 msleep(400);
5c33a942 4493
a44aa400
HM		 4494 if (ifp->vif->mbss) {
4495 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4496 return err;
4497 }
4498
5c33a942
HM		 4499 memset(&join_params, 0, sizeof(join_params));
4500 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4501 &join_params, sizeof(join_params));
4502 if (err < 0)
4503 brcmf_err("SET SSID error (%d)\n", err);
a44aa400 4504 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
5c33a942 4505 if (err < 0)
a44aa400 4506 brcmf_err("BRCMF_C_DOWN error %d\n", err);
5c33a942
HM		 4507 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
4508 if (err < 0)
4509 brcmf_err("setting AP mode failed %d\n", err);
4510 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
4511 if (err < 0)
4512 brcmf_err("setting INFRA mode failed %d\n", err);
a44aa400
HM		 4513 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
4514 brcmf_fil_iovar_int_set(ifp, "mbss", 0);
98027769
AS		 4515 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4516 ifp->vif->is_11d);
4517 if (err < 0)
4518 brcmf_err("restoring REGULATORY setting failed %d\n",
4519 err);
a44aa400
HM		 4520 /* Bring device back up so it can be used again */
4521 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4522 if (err < 0)
4523 brcmf_err("BRCMF_C_UP error %d\n", err);
426d0a56 4524 } else {
37a869ec 4525 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx);
426d0a56
HM		 4526 bss_enable.enable = cpu_to_le32(0);
4527 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4528 sizeof(bss_enable));
4529 if (err < 0)
4530 brcmf_err("bss_enable config failed %d\n", err);
1a873342 4531 }
f96aa07e 4532 brcmf_set_mpc(ifp, 1);
b3657453 4533 brcmf_configure_arp_offload(ifp, true);
426d0a56 4534 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
92121e69 4535 brcmf_net_setcarrier(ifp, false);
426d0a56 4536
1a873342
HM		 4537 return err;
4538}
4539
a0f07959
HM		 4540static s32
4541brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
4542 struct cfg80211_beacon_data *info)
4543{
a0f07959
HM		 4544 struct brcmf_if *ifp = netdev_priv(ndev);
4545 s32 err;
4546
4547 brcmf_dbg(TRACE, "Enter\n");
4548
a0f07959
HM		 4549 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
4550
4551 return err;
4552}
4553
1a873342
HM		 4554static int
4555brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
89c771e5 4556 struct station_del_parameters *params)
1a873342 4557{
a0f07959 4558 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1a873342 4559 struct brcmf_scb_val_le scbval;
0abb5f21 4560 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 4561 s32 err;
4562
89c771e5 4563 if (!params->mac)
1a873342
HM		 4564 return -EFAULT;
4565
89c771e5 4566 brcmf_dbg(TRACE, "Enter %pM\n", params->mac);
1a873342 4567
a0f07959
HM		 4568 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4569 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
ce81e317 4570 if (!check_vif_up(ifp->vif))
1a873342
HM		 4571 return -EIO;
4572
89c771e5 4573 memcpy(&scbval.ea, params->mac, ETH_ALEN);
ba8b6ae6 4574 scbval.val = cpu_to_le32(params->reason_code);
0abb5f21 4575 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
81f5dcb8 4576 &scbval, sizeof(scbval));
1a873342 4577 if (err)
57d6e91a 4578 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
7ab6acd0 4579
d96b801f 4580 brcmf_dbg(TRACE, "Exit\n");
1a873342
HM		 4581 return err;
4582}
4583
6b89dcb3
HM		 4584static int
4585brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev,
4586 const u8 *mac, struct station_parameters *params)
4587{
4588 struct brcmf_if *ifp = netdev_priv(ndev);
4589 s32 err;
4590
4591 brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac,
4592 params->sta_flags_mask, params->sta_flags_set);
4593
4594 /* Ignore all 00 MAC */
4595 if (is_zero_ether_addr(mac))
4596 return 0;
4597
4598 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4599 return 0;
4600
4601 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4602 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE,
4603 (void *)mac, ETH_ALEN);
4604 else
4605 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE,
4606 (void *)mac, ETH_ALEN);
4607 if (err < 0)
4608 brcmf_err("Setting SCB (de-)authorize failed, %d\n", err);
4609
4610 return err;
4611}
0de8aace
HM		 4612
4613static void
4614brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4615 struct wireless_dev *wdev,
4616 u16 frame_type, bool reg)
4617{
7fa2e352 4618 struct brcmf_cfg80211_vif *vif;
0de8aace
HM		 4619 u16 mgmt_type;
4620
4621 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4622
4623 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
7fa2e352 4624 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
0de8aace
HM		 4625 if (reg)
4626 vif->mgmt_rx_reg |= BIT(mgmt_type);
4627 else
318a64ce 4628 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
0de8aace
HM		 4629}
4630
4631
4632static int
4633brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 4634 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
0de8aace
HM		 4635{
4636 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
b176e629
AO		 4637 struct ieee80211_channel *chan = params->chan;
4638 const u8 *buf = params->buf;
4639 size_t len = params->len;
0de8aace
HM		 4640 const struct ieee80211_mgmt *mgmt;
4641 struct brcmf_cfg80211_vif *vif;
4642 s32 err = 0;
4643 s32 ie_offset;
4644 s32 ie_len;
18e2f61d
HM		 4645 struct brcmf_fil_action_frame_le *action_frame;
4646 struct brcmf_fil_af_params_le *af_params;
4647 bool ack;
4648 s32 chan_nr;
c2ff8cad 4649 u32 freq;
0de8aace
HM		 4650
4651 brcmf_dbg(TRACE, "Enter\n");
4652
4653 *cookie = 0;
4654
4655 mgmt = (const struct ieee80211_mgmt *)buf;
4656
a0f07959
HM		 4657 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4658 brcmf_err("Driver only allows MGMT packet type\n");
4659 return -EPERM;
4660 }
0de8aace 4661
c2ff8cad
AQ		 4662 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4663
a0f07959
HM		 4664 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4665 /* Right now the only reason to get a probe response */
4666 /* is for p2p listen response or for p2p GO from */
4667 /* wpa_supplicant. Unfortunately the probe is send */
4668 /* on primary ndev, while dongle wants it on the p2p */
4669 /* vif. Since this is only reason for a probe */
4670 /* response to be sent, the vif is taken from cfg. */
4671 /* If ever desired to send proberesp for non p2p */
4672 /* response then data should be checked for */
4673 /* "DIRECT-". Note in future supplicant will take */
4674 /* dedicated p2p wdev to do this and then this 'hack'*/
4675 /* is not needed anymore. */
4676 ie_offset = DOT11_MGMT_HDR_LEN +
4677 DOT11_BCN_PRB_FIXED_LEN;
4678 ie_len = len - ie_offset;
a0f07959 4679 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
0de8aace 4680 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
a0f07959
HM		 4681 err = brcmf_vif_set_mgmt_ie(vif,
4682 BRCMF_VNDR_IE_PRBRSP_FLAG,
4683 &buf[ie_offset],
4684 ie_len);
4685 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4686 GFP_KERNEL);
18e2f61d
HM		 4687 } else if (ieee80211_is_action(mgmt->frame_control)) {
4688 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4689 if (af_params == NULL) {
4690 brcmf_err("unable to allocate frame\n");
4691 err = -ENOMEM;
4692 goto exit;
4693 }
4694 action_frame = &af_params->action_frame;
4695 /* Add the packet Id */
4696 action_frame->packet_id = cpu_to_le32(*cookie);
4697 /* Add BSSID */
4698 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4699 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4700 /* Add the length exepted for 802.11 header */
4701 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
c2ff8cad
AQ		 4702 /* Add the channel. Use the one specified as parameter if any or
4703 * the current one (got from the firmware) otherwise
4704 */
4705 if (chan)
4706 freq = chan->center_freq;
4707 else
4708 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4709 &freq);
4710 chan_nr = ieee80211_frequency_to_channel(freq);
18e2f61d
HM		 4711 af_params->channel = cpu_to_le32(chan_nr);
4712
4713 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4714 le16_to_cpu(action_frame->len));
4715
4716 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
86a9c4a2 4717 *cookie, le16_to_cpu(action_frame->len), freq);
18e2f61d 4718
7fa2e352 4719 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
18e2f61d
HM		 4720 af_params);
4721
4722 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4723 GFP_KERNEL);
4724 kfree(af_params);
a0f07959
HM		 4725 } else {
4726 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4727 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
0de8aace 4728 }
a0f07959 4729
18e2f61d 4730exit:
0de8aace
HM		 4731 return err;
4732}
4733
4734
4735static int
4736brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4737 struct wireless_dev *wdev,
4738 u64 cookie)
4739{
4740 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4741 struct brcmf_cfg80211_vif *vif;
4742 int err = 0;
4743
4744 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4745
4746 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4747 if (vif == NULL) {
4748 brcmf_err("No p2p device available for probe response\n");
4749 err = -ENODEV;
4750 goto exit;
4751 }
4752 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4753exit:
4754 return err;
4755}
4756
61730d4d
PH		 4757static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4758 struct wireless_dev *wdev,
4759 enum nl80211_crit_proto_id proto,
4760 u16 duration)
4761{
4762 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4763 struct brcmf_cfg80211_vif *vif;
4764
4765 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4766
4767 /* only DHCP support for now */
4768 if (proto != NL80211_CRIT_PROTO_DHCP)
4769 return -EINVAL;
4770
4771 /* suppress and abort scanning */
4772 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4773 brcmf_abort_scanning(cfg);
4774
4775 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4776}
4777
4778static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4779 struct wireless_dev *wdev)
4780{
4781 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4782 struct brcmf_cfg80211_vif *vif;
4783
4784 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4785
4786 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4787 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4788}
4789
70b7d94b
HM		 4790static s32
4791brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4792 const struct brcmf_event_msg *e, void *data)
4793{
4794 switch (e->reason) {
4795 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
4796 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
4797 break;
4798 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
4799 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
4800 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4801 break;
4802 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
4803 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
4804 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4805 break;
4806 }
4807
4808 return 0;
4809}
4810
89c2f382
AS		 4811static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4812{
4813 int ret;
4814
4815 switch (oper) {
4816 case NL80211_TDLS_DISCOVERY_REQ:
4817 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4818 break;
4819 case NL80211_TDLS_SETUP:
4820 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4821 break;
4822 case NL80211_TDLS_TEARDOWN:
4823 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4824 break;
4825 default:
4826 brcmf_err("unsupported operation: %d\n", oper);
4827 ret = -EOPNOTSUPP;
4828 }
4829 return ret;
4830}
4831
4832static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
3b3a0162 4833 struct net_device *ndev, const u8 *peer,
89c2f382
AS		 4834 enum nl80211_tdls_operation oper)
4835{
4836 struct brcmf_if *ifp;
4837 struct brcmf_tdls_iovar_le info;
4838 int ret = 0;
4839
4840 ret = brcmf_convert_nl80211_tdls_oper(oper);
4841 if (ret < 0)
4842 return ret;
4843
4844 ifp = netdev_priv(ndev);
4845 memset(&info, 0, sizeof(info));
4846 info.mode = (u8)ret;
4847 if (peer)
4848 memcpy(info.ea, peer, ETH_ALEN);
4849
4850 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
4851 &info, sizeof(info));
4852 if (ret < 0)
4853 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
4854
4855 return ret;
4856}
4857
5b435de0 4858static struct cfg80211_ops wl_cfg80211_ops = {
9f440b7b
AS		 4859 .add_virtual_intf = brcmf_cfg80211_add_iface,
4860 .del_virtual_intf = brcmf_cfg80211_del_iface,
5b435de0
AS		 4861 .change_virtual_intf = brcmf_cfg80211_change_iface,
4862 .scan = brcmf_cfg80211_scan,
4863 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
4864 .join_ibss = brcmf_cfg80211_join_ibss,
4865 .leave_ibss = brcmf_cfg80211_leave_ibss,
4866 .get_station = brcmf_cfg80211_get_station,
bf2a7e04 4867 .dump_station = brcmf_cfg80211_dump_station,
5b435de0
AS		 4868 .set_tx_power = brcmf_cfg80211_set_tx_power,
4869 .get_tx_power = brcmf_cfg80211_get_tx_power,
4870 .add_key = brcmf_cfg80211_add_key,
4871 .del_key = brcmf_cfg80211_del_key,
4872 .get_key = brcmf_cfg80211_get_key,
4873 .set_default_key = brcmf_cfg80211_config_default_key,
4874 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
4875 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
5b435de0
AS		 4876 .connect = brcmf_cfg80211_connect,
4877 .disconnect = brcmf_cfg80211_disconnect,
4878 .suspend = brcmf_cfg80211_suspend,
4879 .resume = brcmf_cfg80211_resume,
4880 .set_pmksa = brcmf_cfg80211_set_pmksa,
4881 .del_pmksa = brcmf_cfg80211_del_pmksa,
cbaa177d 4882 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
1a873342
HM		 4883 .start_ap = brcmf_cfg80211_start_ap,
4884 .stop_ap = brcmf_cfg80211_stop_ap,
a0f07959 4885 .change_beacon = brcmf_cfg80211_change_beacon,
1a873342 4886 .del_station = brcmf_cfg80211_del_station,
6b89dcb3 4887 .change_station = brcmf_cfg80211_change_station,
e5806072
AS		 4888 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
4889 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
0de8aace
HM		 4890 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
4891 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
4892 .remain_on_channel = brcmf_p2p_remain_on_channel,
4893 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
27f10e38
AS		 4894 .start_p2p_device = brcmf_p2p_start_device,
4895 .stop_p2p_device = brcmf_p2p_stop_device,
61730d4d
PH		 4896 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
4897 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
89c2f382 4898 .tdls_oper = brcmf_cfg80211_tdls_oper,
5b435de0
AS		 4899};
4900
3eacf866 4901struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
9f440b7b
AS		 4902 enum nl80211_iftype type,
4903 bool pm_block)
3eacf866 4904{
a44aa400 4905 struct brcmf_cfg80211_vif *vif_walk;
3eacf866 4906 struct brcmf_cfg80211_vif *vif;
a44aa400 4907 bool mbss;
5b435de0 4908
33a6b157 4909 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
9f440b7b 4910 sizeof(*vif));
3eacf866
AS		 4911 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
4912 if (!vif)
4913 return ERR_PTR(-ENOMEM);
4914
4915 vif->wdev.wiphy = cfg->wiphy;
9f440b7b 4916 vif->wdev.iftype = type;
5b435de0 4917
3eacf866 4918 vif->pm_block = pm_block;
3eacf866 4919
6ac4f4ed
AS		 4920 brcmf_init_prof(&vif->profile);
4921
a44aa400
HM		 4922 if (type == NL80211_IFTYPE_AP) {
4923 mbss = false;
4924 list_for_each_entry(vif_walk, &cfg->vif_list, list) {
4925 if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) {
4926 mbss = true;
4927 break;
4928 }
4929 }
4930 vif->mbss = mbss;
4931 }
4932
3eacf866 4933 list_add_tail(&vif->list, &cfg->vif_list);
3eacf866 4934 return vif;
5b435de0
AS		 4935}
4936
427dec5f 4937void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5b435de0 4938{
3eacf866 4939 list_del(&vif->list);
3eacf866 4940 kfree(vif);
5b435de0
AS		 4941}
4942
9df4d542
AS		 4943void brcmf_cfg80211_free_netdev(struct net_device *ndev)
4944{
4945 struct brcmf_cfg80211_vif *vif;
4946 struct brcmf_if *ifp;
4947
4948 ifp = netdev_priv(ndev);
4949 vif = ifp->vif;
4950
95ef1239
AS		 4951 if (vif)
4952 brcmf_free_vif(vif);
9df4d542
AS		 4953 free_netdev(ndev);
4954}
4955
903e0eee 4956static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
5b435de0 4957{
5c36b99a
AS		 4958 u32 event = e->event_code;
4959 u32 status = e->status;
5b435de0
AS		 4960
4961 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
16886735 4962 brcmf_dbg(CONN, "Processing set ssid\n");
5b435de0
AS		 4963 return true;
4964 }
4965
4966 return false;
4967}
4968
903e0eee 4969static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
5b435de0 4970{
5c36b99a
AS		 4971 u32 event = e->event_code;
4972 u16 flags = e->flags;
5b435de0 4973
68ca395f
HM		 4974 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
4975 (event == BRCMF_E_DISASSOC_IND) ||
4976 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
16886735 4977 brcmf_dbg(CONN, "Processing link down\n");
5b435de0
AS		 4978 return true;
4979 }
4980 return false;
4981}
4982
27a68fe3 4983static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4984 const struct brcmf_event_msg *e)
4985{
5c36b99a
AS		 4986 u32 event = e->event_code;
4987 u32 status = e->status;
5b435de0
AS		 4988
4989 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
16886735
AS		 4990 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
4991 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
5b435de0
AS		 4992 return true;
4993 }
4994
4995 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
16886735 4996 brcmf_dbg(CONN, "Processing connecting & no network found\n");
5b435de0
AS		 4997 return true;
4998 }
4999
5000 return false;
5001}
5002
27a68fe3 5003static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5b435de0 5004{
27a68fe3 5005 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 5006
5007 kfree(conn_info->req_ie);
5008 conn_info->req_ie = NULL;
5009 conn_info->req_ie_len = 0;
5010 kfree(conn_info->resp_ie);
5011 conn_info->resp_ie = NULL;
5012 conn_info->resp_ie_len = 0;
5013}
5014
89286dc9
HM		 5015static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
5016 struct brcmf_if *ifp)
5b435de0 5017{
c4e382d2 5018 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
27a68fe3 5019 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 5020 u32 req_len;
5021 u32 resp_len;
5022 s32 err = 0;
5023
27a68fe3 5024 brcmf_clear_assoc_ies(cfg);
5b435de0 5025
ac24be6f
AS		 5026 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
5027 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5b435de0 5028 if (err) {
57d6e91a 5029 brcmf_err("could not get assoc info (%d)\n", err);
5b435de0
AS		 5030 return err;
5031 }
c4e382d2 5032 assoc_info =
27a68fe3 5033 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
c4e382d2
AS		 5034 req_len = le32_to_cpu(assoc_info->req_len);
5035 resp_len = le32_to_cpu(assoc_info->resp_len);
5b435de0 5036 if (req_len) {
ac24be6f 5037 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
81f5dcb8
HM		 5038 cfg->extra_buf,
5039 WL_ASSOC_INFO_MAX);
5b435de0 5040 if (err) {
57d6e91a 5041 brcmf_err("could not get assoc req (%d)\n", err);
5b435de0
AS		 5042 return err;
5043 }
5044 conn_info->req_ie_len = req_len;
5045 conn_info->req_ie =
27a68fe3 5046 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5b435de0
AS		 5047 GFP_KERNEL);
5048 } else {
5049 conn_info->req_ie_len = 0;
5050 conn_info->req_ie = NULL;
5051 }
5052 if (resp_len) {
ac24be6f 5053 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
81f5dcb8
HM		 5054 cfg->extra_buf,
5055 WL_ASSOC_INFO_MAX);
5b435de0 5056 if (err) {
57d6e91a 5057 brcmf_err("could not get assoc resp (%d)\n", err);
5b435de0
AS		 5058 return err;
5059 }
5060 conn_info->resp_ie_len = resp_len;
5061 conn_info->resp_ie =
27a68fe3 5062 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5b435de0
AS		 5063 GFP_KERNEL);
5064 } else {
5065 conn_info->resp_ie_len = 0;
5066 conn_info->resp_ie = NULL;
5067 }
16886735
AS		 5068 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
5069 conn_info->req_ie_len, conn_info->resp_ie_len);
5b435de0
AS		 5070
5071 return err;
5072}
5073
5074static s32
27a68fe3 5075brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 5076 struct net_device *ndev,
5077 const struct brcmf_event_msg *e)
5078{
c1179033
AS		 5079 struct brcmf_if *ifp = netdev_priv(ndev);
5080 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3
AS		 5081 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5082 struct wiphy *wiphy = cfg_to_wiphy(cfg);
a180b83b 5083 struct ieee80211_channel *notify_channel = NULL;
5b435de0 5084 struct ieee80211_supported_band *band;
a180b83b 5085 struct brcmf_bss_info_le *bi;
83cf17aa 5086 struct brcmu_chan ch;
5b435de0
AS		 5087 u32 freq;
5088 s32 err = 0;
a180b83b 5089 u8 *buf;
5b435de0 5090
d96b801f 5091 brcmf_dbg(TRACE, "Enter\n");
5b435de0 5092
89286dc9 5093 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 5094 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9 5095 brcmf_update_bss_info(cfg, ifp);
5b435de0 5096
a180b83b
FL		 5097 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
5098 if (buf == NULL) {
5099 err = -ENOMEM;
5100 goto done;
5101 }
5102
5103 /* data sent to dongle has to be little endian */
5104 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
c1179033 5105 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
ac24be6f 5106 buf, WL_BSS_INFO_MAX);
a180b83b
FL		 5107
5108 if (err)
5109 goto done;
5b435de0 5110
a180b83b 5111 bi = (struct brcmf_bss_info_le *)(buf + 4);
83cf17aa
FL		 5112 ch.chspec = le16_to_cpu(bi->chanspec);
5113 cfg->d11inf.decchspec(&ch);
5b435de0 5114
83cf17aa 5115 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 5116 band = wiphy->bands[IEEE80211_BAND_2GHZ];
5117 else
5118 band = wiphy->bands[IEEE80211_BAND_5GHZ];
5119
83cf17aa 5120 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 5121 notify_channel = ieee80211_get_channel(wiphy, freq);
5122
a180b83b
FL		 5123done:
5124 kfree(buf);
06bb123e 5125 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
5b435de0
AS		 5126 conn_info->req_ie, conn_info->req_ie_len,
5127 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
16886735 5128 brcmf_dbg(CONN, "Report roaming result\n");
5b435de0 5129
c1179033 5130 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
d96b801f 5131 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 5132 return err;
5133}
5134
5135static s32
27a68fe3 5136brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 5137 struct net_device *ndev, const struct brcmf_event_msg *e,
5138 bool completed)
5139{
c1179033
AS		 5140 struct brcmf_if *ifp = netdev_priv(ndev);
5141 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3 5142 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0 5143
d96b801f 5144 brcmf_dbg(TRACE, "Enter\n");
5b435de0 5145
c1179033
AS		 5146 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5147 &ifp->vif->sme_state)) {
5b435de0 5148 if (completed) {
89286dc9 5149 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 5150 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9
HM		 5151 brcmf_update_bss_info(cfg, ifp);
5152 set_bit(BRCMF_VIF_STATUS_CONNECTED,
5153 &ifp->vif->sme_state);
5b435de0
AS		 5154 }
5155 cfg80211_connect_result(ndev,
06bb123e 5156 (u8 *)profile->bssid,
5b435de0
AS		 5157 conn_info->req_ie,
5158 conn_info->req_ie_len,
5159 conn_info->resp_ie,
5160 conn_info->resp_ie_len,
5161 completed ? WLAN_STATUS_SUCCESS :
5162 WLAN_STATUS_AUTH_TIMEOUT,
5163 GFP_KERNEL);
16886735
AS		 5164 brcmf_dbg(CONN, "Report connect result - connection %s\n",
5165 completed ? "succeeded" : "failed");
5b435de0 5166 }
d96b801f 5167 brcmf_dbg(TRACE, "Exit\n");
12f32370 5168 return 0;
5b435de0
AS		 5169}
5170
5171static s32
27a68fe3 5172brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
1a873342
HM		 5173 struct net_device *ndev,
5174 const struct brcmf_event_msg *e, void *data)
5175{
a44aa400 5176 struct brcmf_if *ifp = netdev_priv(ndev);
7ee29602 5177 static int generation;
5c36b99a
AS		 5178 u32 event = e->event_code;
5179 u32 reason = e->reason;
1a873342
HM		 5180 struct station_info sinfo;
5181
16886735 5182 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
5f4f9f11
AS		 5183 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
5184 ndev != cfg_to_ndev(cfg)) {
5185 brcmf_dbg(CONN, "AP mode link down\n");
5186 complete(&cfg->vif_disabled);
a44aa400 5187 if (ifp->vif->mbss)
ee6e3a34 5188 brcmf_remove_interface(ifp);
5f4f9f11
AS		 5189 return 0;
5190 }
1a873342 5191
1a873342 5192 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
7ee29602
HM		 5193 (reason == BRCMF_E_STATUS_SUCCESS)) {
5194 memset(&sinfo, 0, sizeof(sinfo));
1a873342 5195 if (!data) {
57d6e91a 5196 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
1a873342
HM		 5197 return -EINVAL;
5198 }
5199 sinfo.assoc_req_ies = data;
7ee29602 5200 sinfo.assoc_req_ies_len = e->datalen;
1a873342
HM		 5201 generation++;
5202 sinfo.generation = generation;
7ee29602 5203 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
1a873342
HM		 5204 } else if ((event == BRCMF_E_DISASSOC_IND) ||
5205 (event == BRCMF_E_DEAUTH_IND) ||
5206 (event == BRCMF_E_DEAUTH)) {
7ee29602 5207 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
1a873342 5208 }
7ee29602 5209 return 0;
1a873342
HM		 5210}
5211
5b435de0 5212static s32
1993732e 5213brcmf_notify_connect_status(struct brcmf_if *ifp,
5b435de0
AS		 5214 const struct brcmf_event_msg *e, void *data)
5215{
1993732e
AS		 5216 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5217 struct net_device *ndev = ifp->ndev;
c1179033 5218 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
fe94f3a4 5219 struct ieee80211_channel *chan;
5b435de0
AS		 5220 s32 err = 0;
5221
8851cce0
HM		 5222 if ((e->event_code == BRCMF_E_DEAUTH) ||
5223 (e->event_code == BRCMF_E_DEAUTH_IND) ||
5224 (e->event_code == BRCMF_E_DISASSOC_IND) ||
5225 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
5226 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
5227 }
5228
967fe2c8 5229 if (brcmf_is_apmode(ifp->vif)) {
27a68fe3 5230 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
903e0eee 5231 } else if (brcmf_is_linkup(e)) {
16886735 5232 brcmf_dbg(CONN, "Linkup\n");
128ce3b6 5233 if (brcmf_is_ibssmode(ifp->vif)) {
b0a79088 5234 brcmf_inform_ibss(cfg, ndev, e->addr);
fe94f3a4 5235 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
6c8c4f72 5236 memcpy(profile->bssid, e->addr, ETH_ALEN);
fe94f3a4 5237 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
c1179033
AS		 5238 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5239 &ifp->vif->sme_state);
5240 set_bit(BRCMF_VIF_STATUS_CONNECTED,
5241 &ifp->vif->sme_state);
5b435de0 5242 } else
27a68fe3 5243 brcmf_bss_connect_done(cfg, ndev, e, true);
92121e69 5244 brcmf_net_setcarrier(ifp, true);
903e0eee 5245 } else if (brcmf_is_linkdown(e)) {
16886735 5246 brcmf_dbg(CONN, "Linkdown\n");
128ce3b6 5247 if (!brcmf_is_ibssmode(ifp->vif)) {
27a68fe3 5248 brcmf_bss_connect_done(cfg, ndev, e, false);
42e0ed0d
HM		 5249 brcmf_link_down(ifp->vif,
5250 brcmf_map_fw_linkdown_reason(e));
5251 brcmf_init_prof(ndev_to_prof(ndev));
5252 if (ndev != cfg_to_ndev(cfg))
5253 complete(&cfg->vif_disabled);
5254 brcmf_net_setcarrier(ifp, false);
5b435de0 5255 }
27a68fe3 5256 } else if (brcmf_is_nonetwork(cfg, e)) {
128ce3b6 5257 if (brcmf_is_ibssmode(ifp->vif))
c1179033
AS		 5258 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5259 &ifp->vif->sme_state);
5b435de0 5260 else
27a68fe3 5261 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0
AS		 5262 }
5263
5264 return err;
5265}
5266
5267static s32
1993732e 5268brcmf_notify_roaming_status(struct brcmf_if *ifp,
5b435de0
AS		 5269 const struct brcmf_event_msg *e, void *data)
5270{
1993732e 5271 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5c36b99a
AS		 5272 u32 event = e->event_code;
5273 u32 status = e->status;
5b435de0
AS		 5274
5275 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
c1179033 5276 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
1993732e 5277 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
5b435de0 5278 else
1993732e 5279 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
5b435de0
AS		 5280 }
5281
12f32370 5282 return 0;
5b435de0
AS		 5283}
5284
5285static s32
1993732e 5286brcmf_notify_mic_status(struct brcmf_if *ifp,
5b435de0
AS		 5287 const struct brcmf_event_msg *e, void *data)
5288{
5c36b99a 5289 u16 flags = e->flags;
5b435de0
AS		 5290 enum nl80211_key_type key_type;
5291
5292 if (flags & BRCMF_EVENT_MSG_GROUP)
5293 key_type = NL80211_KEYTYPE_GROUP;
5294 else
5295 key_type = NL80211_KEYTYPE_PAIRWISE;
5296
1993732e 5297 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
5b435de0
AS		 5298 NULL, GFP_KERNEL);
5299
5300 return 0;
5301}
5302
d3c0b633
AS		 5303static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
5304 const struct brcmf_event_msg *e, void *data)
5305{
5306 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5307 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
5308 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5309 struct brcmf_cfg80211_vif *vif;
5310
37a869ec 5311 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfgidx %u\n",
d3c0b633 5312 ifevent->action, ifevent->flags, ifevent->ifidx,
37a869ec 5313 ifevent->bsscfgidx);
d3c0b633 5314
d3c0b633
AS		 5315 mutex_lock(&event->vif_event_lock);
5316 event->action = ifevent->action;
5317 vif = event->vif;
5318
5319 switch (ifevent->action) {
5320 case BRCMF_E_IF_ADD:
5321 /* waiting process may have timed out */
dc4a787c
WY		 5322 if (!cfg->vif_event.vif) {
5323 mutex_unlock(&event->vif_event_lock);
d3c0b633 5324 return -EBADF;
dc4a787c 5325 }
d3c0b633
AS		 5326
5327 ifp->vif = vif;
5328 vif->ifp = ifp;
01b8e7db
AS		 5329 if (ifp->ndev) {
5330 vif->wdev.netdev = ifp->ndev;
5331 ifp->ndev->ieee80211_ptr = &vif->wdev;
5332 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
5333 }
d3c0b633
AS		 5334 mutex_unlock(&event->vif_event_lock);
5335 wake_up(&event->vif_wq);
4b3a89de 5336 return 0;
d3c0b633
AS		 5337
5338 case BRCMF_E_IF_DEL:
d3c0b633
AS		 5339 mutex_unlock(&event->vif_event_lock);
5340 /* event may not be upon user request */
5341 if (brcmf_cfg80211_vif_event_armed(cfg))
5342 wake_up(&event->vif_wq);
5343 return 0;
5344
7a5c1f64
HM		 5345 case BRCMF_E_IF_CHANGE:
5346 mutex_unlock(&event->vif_event_lock);
5347 wake_up(&event->vif_wq);
5348 return 0;
5349
d3c0b633
AS		 5350 default:
5351 mutex_unlock(&event->vif_event_lock);
5352 break;
5353 }
5354 return -EINVAL;
5355}
5356
5b435de0
AS		 5357static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
5358{
5b435de0
AS		 5359 conf->frag_threshold = (u32)-1;
5360 conf->rts_threshold = (u32)-1;
5361 conf->retry_short = (u32)-1;
5362 conf->retry_long = (u32)-1;
5b435de0
AS		 5363}
5364
5c36b99a 5365static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5b435de0 5366{
5c36b99a
AS		 5367 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
5368 brcmf_notify_connect_status);
5369 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
5370 brcmf_notify_connect_status);
5371 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
5372 brcmf_notify_connect_status);
5373 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
5374 brcmf_notify_connect_status);
5375 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
5376 brcmf_notify_connect_status);
5377 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
5378 brcmf_notify_connect_status);
5379 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
5380 brcmf_notify_roaming_status);
5381 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
5382 brcmf_notify_mic_status);
5383 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
5384 brcmf_notify_connect_status);
5385 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
5386 brcmf_notify_sched_scan_results);
d3c0b633
AS		 5387 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
5388 brcmf_notify_vif_event);
0de8aace 5389 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
6eda4e2c 5390 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
0de8aace
HM		 5391 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
5392 brcmf_p2p_notify_listen_complete);
e6da3400
HM		 5393 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
5394 brcmf_p2p_notify_action_frame_rx);
18e2f61d
HM		 5395 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
5396 brcmf_p2p_notify_action_tx_complete);
6eda4e2c
HM		 5397 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
5398 brcmf_p2p_notify_action_tx_complete);
5b435de0
AS		 5399}
5400
27a68fe3
AS		 5401static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
5402{
27a68fe3
AS		 5403 kfree(cfg->conf);
5404 cfg->conf = NULL;
27a68fe3
AS		 5405 kfree(cfg->extra_buf);
5406 cfg->extra_buf = NULL;
3021ad9a
HM		 5407 kfree(cfg->wowl.nd);
5408 cfg->wowl.nd = NULL;
5409 kfree(cfg->wowl.nd_info);
5410 cfg->wowl.nd_info = NULL;
d5367334
HM		 5411 kfree(cfg->escan_info.escan_buf);
5412 cfg->escan_info.escan_buf = NULL;
27a68fe3
AS		 5413}
5414
5415static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
5416{
27a68fe3
AS		 5417 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
5418 if (!cfg->conf)
5b435de0 5419 goto init_priv_mem_out;
27a68fe3
AS		 5420 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
5421 if (!cfg->extra_buf)
5b435de0 5422 goto init_priv_mem_out;
3021ad9a
HM		 5423 cfg->wowl.nd = kzalloc(sizeof(*cfg->wowl.nd) + sizeof(u32), GFP_KERNEL);
5424 if (!cfg->wowl.nd)
5425 goto init_priv_mem_out;
5426 cfg->wowl.nd_info = kzalloc(sizeof(*cfg->wowl.nd_info) +
5427 sizeof(struct cfg80211_wowlan_nd_match *),
5428 GFP_KERNEL);
5429 if (!cfg->wowl.nd_info)
5430 goto init_priv_mem_out;
d5367334
HM		 5431 cfg->escan_info.escan_buf = kzalloc(BRCMF_ESCAN_BUF_SIZE, GFP_KERNEL);
5432 if (!cfg->escan_info.escan_buf)
5433 goto init_priv_mem_out;
5b435de0
AS		 5434
5435 return 0;
5436
5437init_priv_mem_out:
27a68fe3 5438 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5439
5440 return -ENOMEM;
5441}
5442
27a68fe3 5443static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5444{
5445 s32 err = 0;
5446
27a68fe3
AS		 5447 cfg->scan_request = NULL;
5448 cfg->pwr_save = true;
68ca395f
HM		 5449 cfg->active_scan = true; /* we do active scan per default */
5450 cfg->dongle_up = false; /* dongle is not up yet */
27a68fe3 5451 err = brcmf_init_priv_mem(cfg);
5b435de0
AS		 5452 if (err)
5453 return err;
5c36b99a 5454 brcmf_register_event_handlers(cfg);
27a68fe3 5455 mutex_init(&cfg->usr_sync);
27a68fe3
AS		 5456 brcmf_init_escan(cfg);
5457 brcmf_init_conf(cfg->conf);
5f4f9f11 5458 init_completion(&cfg->vif_disabled);
5b435de0
AS		 5459 return err;
5460}
5461
27a68fe3 5462static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5b435de0 5463{
27a68fe3 5464 cfg->dongle_up = false; /* dongle down */
27a68fe3
AS		 5465 brcmf_abort_scanning(cfg);
5466 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5467}
5468
d3c0b633
AS		 5469static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
5470{
5471 init_waitqueue_head(&event->vif_wq);
d3c0b633
AS		 5472 mutex_init(&event->vif_event_lock);
5473}
5474
1119e23e 5475static s32 brcmf_dongle_roam(struct brcmf_if *ifp)
5b435de0 5476{
1119e23e
HM		 5477 s32 err;
5478 u32 bcn_timeout;
f588bc0c
AS		 5479 __le32 roamtrigger[2];
5480 __le32 roam_delta[2];
5b435de0 5481
1119e23e 5482 /* Configure beacon timeout value based upon roaming setting */
7d34b056 5483 if (ifp->drvr->settings->roamoff)
1119e23e
HM		 5484 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF;
5485 else
5486 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON;
5487 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5488 if (err) {
5489 brcmf_err("bcn_timeout error (%d)\n", err);
5490 goto roam_setup_done;
5b435de0
AS		 5491 }
5492
1119e23e
HM		 5493 /* Enable/Disable built-in roaming to allow supplicant to take care of
5494 * roaming.
5b435de0 5495 */
68ca395f 5496 brcmf_dbg(INFO, "Internal Roaming = %s\n",
7d34b056
HM		 5497 ifp->drvr->settings->roamoff ? "Off" : "On");
5498 err = brcmf_fil_iovar_int_set(ifp, "roam_off",
5499 ifp->drvr->settings->roamoff);
5b435de0 5500 if (err) {
57d6e91a 5501 brcmf_err("roam_off error (%d)\n", err);
1119e23e 5502 goto roam_setup_done;
5b435de0
AS		 5503 }
5504
f588bc0c
AS		 5505 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
5506 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5507 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
81f5dcb8 5508 (void *)roamtrigger, sizeof(roamtrigger));
5b435de0 5509 if (err) {
57d6e91a 5510 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
1119e23e 5511 goto roam_setup_done;
5b435de0
AS		 5512 }
5513
f588bc0c
AS		 5514 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
5515 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5516 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
81f5dcb8 5517 (void *)roam_delta, sizeof(roam_delta));
5b435de0 5518 if (err) {
57d6e91a 5519 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
1119e23e 5520 goto roam_setup_done;
5b435de0
AS		 5521 }
5522
1119e23e 5523roam_setup_done:
5b435de0
AS		 5524 return err;
5525}
5526
5527static s32
1678ba8e 5528brcmf_dongle_scantime(struct brcmf_if *ifp)
5b435de0
AS		 5529{
5530 s32 err = 0;
5531
ac24be6f 5532 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
1678ba8e 5533 BRCMF_SCAN_CHANNEL_TIME);
5b435de0 5534 if (err) {
1678ba8e 5535 brcmf_err("Scan assoc time error (%d)\n", err);
5b435de0
AS		 5536 goto dongle_scantime_out;
5537 }
ac24be6f 5538 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
1678ba8e 5539 BRCMF_SCAN_UNASSOC_TIME);
5b435de0 5540 if (err) {
1678ba8e 5541 brcmf_err("Scan unassoc time error (%d)\n", err);
5b435de0
AS		 5542 goto dongle_scantime_out;
5543 }
5544
ac24be6f 5545 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
1678ba8e 5546 BRCMF_SCAN_PASSIVE_TIME);
5b435de0 5547 if (err) {
1678ba8e 5548 brcmf_err("Scan passive time error (%d)\n", err);
5b435de0
AS		 5549 goto dongle_scantime_out;
5550 }
5551
5552dongle_scantime_out:
5553 return err;
5554}
5555
b48d8916
AS		 5556static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
5557 struct brcmu_chan *ch)
5558{
5559 u32 ht40_flag;
d48200ba 5560
b48d8916
AS		 5561 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
5562 if (ch->sb == BRCMU_CHAN_SB_U) {
5563 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5564 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5565 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5566 } else {
5567 /* It should be one of
5568 * IEEE80211_CHAN_NO_HT40 or
5569 * IEEE80211_CHAN_NO_HT40PLUS
5570 */
5571 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5572 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5573 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5574 }
5575}
5576
5577static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5578 u32 bw_cap[])
d48200ba
HM		 5579{
5580 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
b48d8916
AS		 5581 struct ieee80211_supported_band *band;
5582 struct ieee80211_channel *channel;
5583 struct wiphy *wiphy;
d48200ba 5584 struct brcmf_chanspec_list *list;
83cf17aa 5585 struct brcmu_chan ch;
b48d8916 5586 int err;
d48200ba
HM		 5587 u8 *pbuf;
5588 u32 i, j;
5589 u32 total;
b48d8916 5590 u32 chaninfo;
d48200ba 5591 u32 index;
d48200ba
HM		 5592
5593 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5594
5595 if (pbuf == NULL)
5596 return -ENOMEM;
5597
5598 list = (struct brcmf_chanspec_list *)pbuf;
5599
5600 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5601 BRCMF_DCMD_MEDLEN);
5602 if (err) {
5603 brcmf_err("get chanspecs error (%d)\n", err);
b48d8916 5604 goto fail_pbuf;
d48200ba
HM		 5605 }
5606
b48d8916 5607 wiphy = cfg_to_wiphy(cfg);
58de92d2
AS		 5608 band = wiphy->bands[IEEE80211_BAND_2GHZ];
5609 if (band)
5610 for (i = 0; i < band->n_channels; i++)
5611 band->channels[i].flags = IEEE80211_CHAN_DISABLED;
5612 band = wiphy->bands[IEEE80211_BAND_5GHZ];
5613 if (band)
5614 for (i = 0; i < band->n_channels; i++)
5615 band->channels[i].flags = IEEE80211_CHAN_DISABLED;
d48200ba
HM		 5616
5617 total = le32_to_cpu(list->count);
5618 for (i = 0; i < total; i++) {
83cf17aa
FL		 5619 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5620 cfg->d11inf.decchspec(&ch);
d48200ba 5621
83cf17aa 5622 if (ch.band == BRCMU_CHAN_BAND_2G) {
b48d8916 5623 band = wiphy->bands[IEEE80211_BAND_2GHZ];
83cf17aa 5624 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
b48d8916 5625 band = wiphy->bands[IEEE80211_BAND_5GHZ];
d48200ba 5626 } else {
2375d970 5627 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
d48200ba
HM		 5628 continue;
5629 }
58de92d2
AS		 5630 if (!band)
5631 continue;
b48d8916 5632 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
2375d970 5633 ch.bw == BRCMU_CHAN_BW_40)
d48200ba 5634 continue;
b48d8916 5635 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
ee942ecc
AS		 5636 ch.bw == BRCMU_CHAN_BW_80)
5637 continue;
b48d8916
AS		 5638
5639 channel = band->channels;
5640 index = band->n_channels;
5641 for (j = 0; j < band->n_channels; j++) {
5642 if (channel[j].hw_value == ch.chnum) {
5643 index = j;
d48200ba
HM		 5644 break;
5645 }
5646 }
b48d8916
AS		 5647 channel[index].center_freq =
5648 ieee80211_channel_to_frequency(ch.chnum, band->band);
5649 channel[index].hw_value = ch.chnum;
5650
5651 /* assuming the chanspecs order is HT20,
5652 * HT40 upper, HT40 lower, and VHT80.
5653 */
5654 if (ch.bw == BRCMU_CHAN_BW_80) {
5655 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5656 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5657 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5658 } else {
58de92d2
AS		 5659 /* enable the channel and disable other bandwidths
5660 * for now as mentioned order assure they are enabled
5661 * for subsequent chanspecs.
ee942ecc 5662 */
b48d8916
AS		 5663 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5664 IEEE80211_CHAN_NO_80MHZ;
5665 ch.bw = BRCMU_CHAN_BW_20;
5666 cfg->d11inf.encchspec(&ch);
5667 chaninfo = ch.chspec;
5668 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5669 &chaninfo);
5670 if (!err) {
5671 if (chaninfo & WL_CHAN_RADAR)
5672 channel[index].flags |=
5673 (IEEE80211_CHAN_RADAR |
5674 IEEE80211_CHAN_NO_IR);
5675 if (chaninfo & WL_CHAN_PASSIVE)
5676 channel[index].flags |=
5677 IEEE80211_CHAN_NO_IR;
d48200ba 5678 }
d48200ba
HM		 5679 }
5680 }
b48d8916 5681
b48d8916 5682fail_pbuf:
d48200ba
HM		 5683 kfree(pbuf);
5684 return err;
5685}
5686
b48d8916 5687static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
aa70b4fa 5688{
b48d8916
AS		 5689 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5690 struct ieee80211_supported_band *band;
aa70b4fa 5691 struct brcmf_fil_bwcap_le band_bwcap;
b48d8916
AS		 5692 struct brcmf_chanspec_list *list;
5693 u8 *pbuf;
aa70b4fa
AS		 5694 u32 val;
5695 int err;
b48d8916
AS		 5696 struct brcmu_chan ch;
5697 u32 num_chan;
5698 int i, j;
aa70b4fa
AS		 5699
5700 /* verify support for bw_cap command */
5701 val = WLC_BAND_5G;
5702 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5703
5704 if (!err) {
5705 /* only set 2G bandwidth using bw_cap command */
5706 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5707 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5708 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5709 sizeof(band_bwcap));
5710 } else {
5711 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5712 val = WLC_N_BW_40ALL;
5713 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5714 }
b48d8916
AS		 5715
5716 if (!err) {
5717 /* update channel info in 2G band */
5718 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5719
5720 if (pbuf == NULL)
5721 return -ENOMEM;
5722
5723 ch.band = BRCMU_CHAN_BAND_2G;
5724 ch.bw = BRCMU_CHAN_BW_40;
fac7d2a3 5725 ch.sb = BRCMU_CHAN_SB_NONE;
b48d8916
AS		 5726 ch.chnum = 0;
5727 cfg->d11inf.encchspec(&ch);
5728
5729 /* pass encoded chanspec in query */
5730 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5731
5732 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5733 BRCMF_DCMD_MEDLEN);
5734 if (err) {
5735 brcmf_err("get chanspecs error (%d)\n", err);
5736 kfree(pbuf);
5737 return err;
5738 }
5739
5740 band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
5741 list = (struct brcmf_chanspec_list *)pbuf;
5742 num_chan = le32_to_cpu(list->count);
5743 for (i = 0; i < num_chan; i++) {
5744 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5745 cfg->d11inf.decchspec(&ch);
5746 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5747 continue;
5748 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5749 continue;
5750 for (j = 0; j < band->n_channels; j++) {
5751 if (band->channels[j].hw_value == ch.chnum)
5752 break;
5753 }
5754 if (WARN_ON(j == band->n_channels))
5755 continue;
5756
5757 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5758 }
fac7d2a3 5759 kfree(pbuf);
b48d8916 5760 }
aa70b4fa
AS		 5761 return err;
5762}
5763
2375d970
AS		 5764static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5765{
5766 u32 band, mimo_bwcap;
5767 int err;
5768
5769 band = WLC_BAND_2G;
5770 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5771 if (!err) {
5772 bw_cap[IEEE80211_BAND_2GHZ] = band;
5773 band = WLC_BAND_5G;
5774 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5775 if (!err) {
5776 bw_cap[IEEE80211_BAND_5GHZ] = band;
5777 return;
5778 }
5779 WARN_ON(1);
5780 return;
5781 }
5782 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5783 mimo_bwcap = 0;
5784 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5785 if (err)
5786 /* assume 20MHz if firmware does not give a clue */
5787 mimo_bwcap = WLC_N_BW_20ALL;
5788
5789 switch (mimo_bwcap) {
5790 case WLC_N_BW_40ALL:
5791 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
5792 /* fall-thru */
5793 case WLC_N_BW_20IN2G_40IN5G:
5794 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
5795 /* fall-thru */
5796 case WLC_N_BW_20ALL:
5797 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5798 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
5799 break;
5800 default:
5801 brcmf_err("invalid mimo_bw_cap value\n");
5802 }
5803}
d48200ba 5804
18d6c535
AS		 5805static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5806 u32 bw_cap[2], u32 nchain)
5807{
5808 band->ht_cap.ht_supported = true;
5809 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5810 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5811 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5812 }
5813 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5814 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5815 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5816 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5817 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5818 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5819}
5820
5821static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
5822{
5823 u16 mcs_map;
5824 int i;
5825
5826 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
5827 mcs_map = (mcs_map << 2) | supp;
5828
5829 return cpu_to_le16(mcs_map);
5830}
5831
5832static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
7bf65aa9
HM		 5833 u32 bw_cap[2], u32 nchain, u32 txstreams,
5834 u32 txbf_bfe_cap, u32 txbf_bfr_cap)
18d6c535
AS		 5835{
5836 __le16 mcs_map;
5837
5838 /* not allowed in 2.4G band */
5839 if (band->band == IEEE80211_BAND_2GHZ)
5840 return;
5841
5842 band->vht_cap.vht_supported = true;
5843 /* 80MHz is mandatory */
5844 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
5845 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
5846 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
5847 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
5848 }
5849 /* all support 256-QAM */
5850 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
5851 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
5852 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
7bf65aa9
HM		 5853
5854 /* Beamforming support information */
5855 if (txbf_bfe_cap & BRCMF_TXBF_SU_BFE_CAP)
5856 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
5857 if (txbf_bfe_cap & BRCMF_TXBF_MU_BFE_CAP)
5858 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
5859 if (txbf_bfr_cap & BRCMF_TXBF_SU_BFR_CAP)
5860 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
5861 if (txbf_bfr_cap & BRCMF_TXBF_MU_BFR_CAP)
5862 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
5863
5864 if ((txbf_bfe_cap || txbf_bfr_cap) && (txstreams > 1)) {
5865 band->vht_cap.cap |=
5866 (2 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
5867 band->vht_cap.cap |= ((txstreams - 1) <<
5868 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
5869 band->vht_cap.cap |=
5870 IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
5871 }
18d6c535
AS		 5872}
5873
b48d8916 5874static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5b435de0 5875{
b48d8916 5876 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
ac24be6f 5877 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
18d6c535
AS		 5878 u32 nmode = 0;
5879 u32 vhtmode = 0;
b48d8916 5880 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
4aca7a18
DK		 5881 u32 rxchain;
5882 u32 nchain;
b48d8916 5883 int err;
d48200ba 5884 s32 i;
2375d970 5885 struct ieee80211_supported_band *band;
7bf65aa9
HM		 5886 u32 txstreams = 0;
5887 u32 txbf_bfe_cap = 0;
5888 u32 txbf_bfr_cap = 0;
5b435de0 5889
18d6c535 5890 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
d48200ba
HM		 5891 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
5892 if (err) {
5893 brcmf_err("nmode error (%d)\n", err);
5894 } else {
2375d970 5895 brcmf_get_bwcap(ifp, bw_cap);
d48200ba 5896 }
18d6c535
AS		 5897 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
5898 nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
5899 bw_cap[IEEE80211_BAND_5GHZ]);
d48200ba 5900
4aca7a18
DK		 5901 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
5902 if (err) {
5903 brcmf_err("rxchain error (%d)\n", err);
5904 nchain = 1;
5905 } else {
5906 for (nchain = 0; rxchain; nchain++)
5907 rxchain = rxchain & (rxchain - 1);
5908 }
5909 brcmf_dbg(INFO, "nchain=%d\n", nchain);
5910
b48d8916 5911 err = brcmf_construct_chaninfo(cfg, bw_cap);
d48200ba 5912 if (err) {
b48d8916 5913 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
d48200ba
HM		 5914 return err;
5915 }
5916
7bf65aa9
HM		 5917 if (vhtmode) {
5918 (void)brcmf_fil_iovar_int_get(ifp, "txstreams", &txstreams);
5919 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfe_cap",
5920 &txbf_bfe_cap);
5921 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfr_cap",
5922 &txbf_bfr_cap);
5923 }
5924
b48d8916
AS		 5925 wiphy = cfg_to_wiphy(cfg);
5926 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
5927 band = wiphy->bands[i];
5928 if (band == NULL)
2375d970 5929 continue;
d48200ba 5930
18d6c535
AS		 5931 if (nmode)
5932 brcmf_update_ht_cap(band, bw_cap, nchain);
5933 if (vhtmode)
7bf65aa9
HM		 5934 brcmf_update_vht_cap(band, bw_cap, nchain, txstreams,
5935 txbf_bfe_cap, txbf_bfr_cap);
d48200ba
HM		 5936 }
5937
b48d8916 5938 return 0;
5b435de0
AS		 5939}
5940
aa70b4fa
AS		 5941static const struct ieee80211_txrx_stypes
5942brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
5943 [NL80211_IFTYPE_STATION] = {
5944 .tx = 0xffff,
5945 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5946 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5947 },
5948 [NL80211_IFTYPE_P2P_CLIENT] = {
5949 .tx = 0xffff,
5950 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5951 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5952 },
5953 [NL80211_IFTYPE_P2P_GO] = {
5954 .tx = 0xffff,
5955 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
5956 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
5957 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
5958 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
5959 BIT(IEEE80211_STYPE_AUTH >> 4) |
5960 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
5961 BIT(IEEE80211_STYPE_ACTION >> 4)
5962 },
5963 [NL80211_IFTYPE_P2P_DEVICE] = {
5964 .tx = 0xffff,
5965 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5966 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5967 }
5968};
5969
0882dda3
AS		 5970/**
5971 * brcmf_setup_ifmodes() - determine interface modes and combinations.
5972 *
5973 * @wiphy: wiphy object.
5974 * @ifp: interface object needed for feat module api.
5975 *
5976 * The interface modes and combinations are determined dynamically here
5977 * based on firmware functionality.
5978 *
5979 * no p2p and no mbss:
5980 *
5981 * #STA <= 1, #AP <= 1, channels = 1, 2 total
5982 *
5983 * no p2p and mbss:
5984 *
5985 * #STA <= 1, #AP <= 1, channels = 1, 2 total
5986 * #AP <= 4, matching BI, channels = 1, 4 total
5987 *
5988 * p2p, no mchan, and mbss:
5989 *
5990 * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total
5991 * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
5992 * #AP <= 4, matching BI, channels = 1, 4 total
5993 *
5994 * p2p, mchan, and mbss:
5995 *
5996 * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total
5997 * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
5998 * #AP <= 4, matching BI, channels = 1, 4 total
5999 */
2e5f66fe
PF		 6000static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
6001{
6002 struct ieee80211_iface_combination *combo = NULL;
0882dda3
AS		 6003 struct ieee80211_iface_limit *c0_limits = NULL;
6004 struct ieee80211_iface_limit *p2p_limits = NULL;
6005 struct ieee80211_iface_limit *mbss_limits = NULL;
6006 bool mbss, p2p;
6007 int i, c, n_combos;
6008
6009 mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS);
6010 p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P);
2e5f66fe 6011
0882dda3
AS		 6012 n_combos = 1 + !!p2p + !!mbss;
6013 combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL);
2e5f66fe
PF		 6014 if (!combo)
6015 goto err;
6016
0882dda3
AS		 6017 c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL);
6018 if (!c0_limits)
2e5f66fe
PF		 6019 goto err;
6020
0882dda3
AS		 6021 if (p2p) {
6022 p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL);
6023 if (!p2p_limits)
6024 goto err;
6025 }
6026
6027 if (mbss) {
6028 mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL);
6029 if (!mbss_limits)
6030 goto err;
6031 }
6032
2e5f66fe
PF		 6033 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
6034 BIT(NL80211_IFTYPE_ADHOC) |
6035 BIT(NL80211_IFTYPE_AP);
6036
0882dda3
AS		 6037 c = 0;
6038 i = 0;
6039 combo[c].num_different_channels = 1;
6040 c0_limits[i].max = 1;
6041 c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
6042 if (p2p) {
6043 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
6044 combo[c].num_different_channels = 2;
2e5f66fe
PF		 6045 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
6046 BIT(NL80211_IFTYPE_P2P_GO) |
6047 BIT(NL80211_IFTYPE_P2P_DEVICE);
0882dda3
AS		 6048 c0_limits[i].max = 1;
6049 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
6050 c0_limits[i].max = 1;
6051 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
6052 BIT(NL80211_IFTYPE_P2P_GO);
6053 } else {
6054 c0_limits[i].max = 1;
6055 c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6056 }
6057 combo[c].max_interfaces = i;
6058 combo[c].n_limits = i;
6059 combo[c].limits = c0_limits;
6060
6061 if (p2p) {
6062 c++;
6063 i = 0;
6064 combo[c].num_different_channels = 1;
6065 p2p_limits[i].max = 1;
6066 p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
6067 p2p_limits[i].max = 1;
6068 p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6069 p2p_limits[i].max = 1;
6070 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT);
6071 p2p_limits[i].max = 1;
6072 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
6073 combo[c].max_interfaces = i;
6074 combo[c].n_limits = i;
6075 combo[c].limits = p2p_limits;
6076 }
6077
6078 if (mbss) {
6079 c++;
6080 combo[c].beacon_int_infra_match = true;
6081 combo[c].num_different_channels = 1;
6082 mbss_limits[0].max = 4;
6083 mbss_limits[0].types = BIT(NL80211_IFTYPE_AP);
6084 combo[c].max_interfaces = 4;
6085 combo[c].n_limits = 1;
6086 combo[c].limits = mbss_limits;
6087 }
6088 wiphy->n_iface_combinations = n_combos;
2e5f66fe 6089 wiphy->iface_combinations = combo;
2e5f66fe
PF		 6090 return 0;
6091
6092err:
0882dda3
AS		 6093 kfree(c0_limits);
6094 kfree(p2p_limits);
6095 kfree(mbss_limits);
2e5f66fe
PF		 6096 kfree(combo);
6097 return -ENOMEM;
6098}
6099
aa70b4fa
AS		 6100static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
6101{
6102 /* scheduled scan settings */
6103 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
6104 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
6105 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
6106 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
6107}
6108
4eb3af7c 6109#ifdef CONFIG_PM
3021ad9a 6110static struct wiphy_wowlan_support brcmf_wowlan_support = {
4eb3af7c 6111 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
b9a82f89
HM		 6112 .n_patterns = BRCMF_WOWL_MAXPATTERNS,
6113 .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
6114 .pattern_min_len = 1,
6115 .max_pkt_offset = 1500,
4eb3af7c
HM		 6116};
6117#endif
6118
3021ad9a 6119static void brcmf_wiphy_wowl_params(struct wiphy *wiphy, struct brcmf_if *ifp)
4eb3af7c
HM		 6120{
6121#ifdef CONFIG_PM
3021ad9a
HM		 6122 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
6123 s32 err;
6124 u32 wowl_cap;
6125
6126 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) {
6127 err = brcmf_fil_iovar_int_get(ifp, "wowl_cap", &wowl_cap);
6128 if (!err) {
6129 if (wowl_cap & BRCMF_WOWL_PFN_FOUND) {
6130 brcmf_wowlan_support.flags |=
6131 WIPHY_WOWLAN_NET_DETECT;
6132 init_waitqueue_head(&cfg->wowl.nd_data_wait);
6133 }
6134 }
6135 }
4eb3af7c
HM		 6136 wiphy->wowlan = &brcmf_wowlan_support;
6137#endif
6138}
6139
b48d8916 6140static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
aa70b4fa 6141{
e3faa866 6142 struct brcmf_pub *drvr = ifp->drvr;
50f32e2d 6143 const struct ieee80211_iface_combination *combo;
58de92d2 6144 struct ieee80211_supported_band *band;
50f32e2d 6145 u16 max_interfaces = 0;
58de92d2
AS		 6146 __le32 bandlist[3];
6147 u32 n_bands;
6148 int err, i;
6149
aa70b4fa
AS		 6150 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
6151 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
6c404f34 6152 wiphy->max_num_pmkids = BRCMF_MAXPMKID;
2e5f66fe
PF		 6153
6154 err = brcmf_setup_ifmodes(wiphy, ifp);
6155 if (err)
6156 return err;
6157
50f32e2d
RM		 6158 for (i = 0, combo = wiphy->iface_combinations;
6159 i < wiphy->n_iface_combinations; i++, combo++) {
6160 max_interfaces = max(max_interfaces, combo->max_interfaces);
6161 }
6162
6163 for (i = 0; i < max_interfaces && i < ARRAY_SIZE(drvr->addresses);
6164 i++) {
e3faa866
RM		 6165 u8 *addr = drvr->addresses[i].addr;
6166
6167 memcpy(addr, drvr->mac, ETH_ALEN);
6168 if (i) {
6169 addr[0] |= BIT(1);
6170 addr[ETH_ALEN - 1] ^= i;
6171 }
6172 }
6173 wiphy->addresses = drvr->addresses;
6174 wiphy->n_addresses = i;
6175
aa70b4fa
AS		 6176 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
6177 wiphy->cipher_suites = __wl_cipher_suites;
6178 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
6179 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
6180 WIPHY_FLAG_OFFCHAN_TX |
a7b82d47
HM		 6181 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
6182 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS))
6183 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7d34b056 6184 if (!ifp->drvr->settings->roamoff)
aa70b4fa
AS		 6185 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
6186 wiphy->mgmt_stypes = brcmf_txrx_stypes;
6187 wiphy->max_remain_on_channel_duration = 5000;
7a7a87dc
AS		 6188 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO))
6189 brcmf_wiphy_pno_params(wiphy);
aa70b4fa
AS		 6190
6191 /* vendor commands/events support */
6192 wiphy->vendor_commands = brcmf_vendor_cmds;
6193 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
6194
4eb3af7c 6195 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
3021ad9a 6196 brcmf_wiphy_wowl_params(wiphy, ifp);
58de92d2
AS		 6197 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, &bandlist,
6198 sizeof(bandlist));
6199 if (err) {
6200 brcmf_err("could not obtain band info: err=%d\n", err);
6201 return err;
6202 }
6203 /* first entry in bandlist is number of bands */
6204 n_bands = le32_to_cpu(bandlist[0]);
6205 for (i = 1; i <= n_bands && i < ARRAY_SIZE(bandlist); i++) {
6206 if (bandlist[i] == cpu_to_le32(WLC_BAND_2G)) {
6207 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
6208 GFP_KERNEL);
6209 if (!band)
6210 return -ENOMEM;
6211
6212 band->channels = kmemdup(&__wl_2ghz_channels,
6213 sizeof(__wl_2ghz_channels),
6214 GFP_KERNEL);
6215 if (!band->channels) {
6216 kfree(band);
6217 return -ENOMEM;
6218 }
6219
6220 band->n_channels = ARRAY_SIZE(__wl_2ghz_channels);
6221 wiphy->bands[IEEE80211_BAND_2GHZ] = band;
6222 }
6223 if (bandlist[i] == cpu_to_le32(WLC_BAND_5G)) {
6224 band = kmemdup(&__wl_band_5ghz, sizeof(__wl_band_5ghz),
6225 GFP_KERNEL);
6226 if (!band)
6227 return -ENOMEM;
6228
6229 band->channels = kmemdup(&__wl_5ghz_channels,
6230 sizeof(__wl_5ghz_channels),
6231 GFP_KERNEL);
6232 if (!band->channels) {
6233 kfree(band);
6234 return -ENOMEM;
6235 }
6236
6237 band->n_channels = ARRAY_SIZE(__wl_5ghz_channels);
6238 wiphy->bands[IEEE80211_BAND_5GHZ] = band;
6239 }
6240 }
6241 err = brcmf_setup_wiphybands(wiphy);
6242 return err;
5b435de0
AS		 6243}
6244
27a68fe3 6245static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 6246{
6247 struct net_device *ndev;
6248 struct wireless_dev *wdev;
40a23296 6249 struct brcmf_if *ifp;
5b435de0
AS		 6250 s32 power_mode;
6251 s32 err = 0;
6252
27a68fe3 6253 if (cfg->dongle_up)
5b435de0
AS		 6254 return err;
6255
27a68fe3 6256 ndev = cfg_to_ndev(cfg);
5b435de0 6257 wdev = ndev->ieee80211_ptr;
40a23296
HM		 6258 ifp = netdev_priv(ndev);
6259
6260 /* make sure RF is ready for work */
6261 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5b435de0 6262
1678ba8e 6263 brcmf_dongle_scantime(ifp);
5b435de0 6264
27a68fe3 6265 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
40a23296 6266 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5b435de0
AS		 6267 if (err)
6268 goto default_conf_out;
647c9ae0
AS		 6269 brcmf_dbg(INFO, "power save set to %s\n",
6270 (power_mode ? "enabled" : "disabled"));
5b435de0 6271
1119e23e 6272 err = brcmf_dongle_roam(ifp);
5b435de0
AS		 6273 if (err)
6274 goto default_conf_out;
5dd161ff
FL		 6275 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
6276 NULL, NULL);
40a23296 6277 if (err)
5b435de0 6278 goto default_conf_out;
5b435de0 6279
b3657453
HM		 6280 brcmf_configure_arp_offload(ifp, true);
6281
27a68fe3 6282 cfg->dongle_up = true;
40a23296 6283default_conf_out:
5b435de0
AS		 6284
6285 return err;
6286
6287}
6288
bdf5ff51 6289static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5b435de0 6290{
c1179033 6291 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 6292
bdf5ff51 6293 return brcmf_config_dongle(ifp->drvr->config);
5b435de0
AS		 6294}
6295
bdf5ff51 6296static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5b435de0 6297{
bdf5ff51 6298 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
c1179033 6299
5b435de0
AS		 6300 /*
6301 * While going down, if associated with AP disassociate
6302 * from AP to save power
6303 */
903e0eee 6304 if (check_vif_up(ifp->vif)) {
9b7a0ddc 6305 brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED);
5b435de0
AS		 6306
6307 /* Make sure WPA_Supplicant receives all the event
6308 generated due to DISASSOC call to the fw to keep
6309 the state fw and WPA_Supplicant state consistent
6310 */
6311 brcmf_delay(500);
6312 }
6313
27a68fe3 6314 brcmf_abort_scanning(cfg);
c1179033 6315 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 6316
5b435de0
AS		 6317 return 0;
6318}
6319
bdf5ff51 6320s32 brcmf_cfg80211_up(struct net_device *ndev)
5b435de0 6321{
bdf5ff51
AS		 6322 struct brcmf_if *ifp = netdev_priv(ndev);
6323 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 6324 s32 err = 0;
6325
27a68fe3 6326 mutex_lock(&cfg->usr_sync);
bdf5ff51 6327 err = __brcmf_cfg80211_up(ifp);
27a68fe3 6328 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 6329
6330 return err;
6331}
6332
bdf5ff51 6333s32 brcmf_cfg80211_down(struct net_device *ndev)
5b435de0 6334{
bdf5ff51
AS		 6335 struct brcmf_if *ifp = netdev_priv(ndev);
6336 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 6337 s32 err = 0;
6338
27a68fe3 6339 mutex_lock(&cfg->usr_sync);
bdf5ff51 6340 err = __brcmf_cfg80211_down(ifp);
27a68fe3 6341 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 6342
6343 return err;
6344}
6345
a7965fbb
AS		 6346enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
6347{
6348 struct wireless_dev *wdev = &ifp->vif->wdev;
6349
6350 return wdev->iftype;
6351}
6352
bfe81975
HM		 6353bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
6354 unsigned long state)
9f440b7b
AS		 6355{
6356 struct brcmf_cfg80211_vif *vif;
9f440b7b
AS		 6357
6358 list_for_each_entry(vif, &cfg->vif_list, list) {
6359 if (test_bit(state, &vif->sme_state))
e843bb19 6360 return true;
9f440b7b 6361 }
e843bb19 6362 return false;
9f440b7b 6363}
d3c0b633
AS		 6364
6365static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
6366 u8 action)
6367{
6368 u8 evt_action;
6369
6370 mutex_lock(&event->vif_event_lock);
6371 evt_action = event->action;
6372 mutex_unlock(&event->vif_event_lock);
6373 return evt_action == action;
6374}
6375
6376void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
6377 struct brcmf_cfg80211_vif *vif)
6378{
6379 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6380
6381 mutex_lock(&event->vif_event_lock);
6382 event->vif = vif;
6383 event->action = 0;
6384 mutex_unlock(&event->vif_event_lock);
6385}
6386
6387bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
6388{
6389 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6390 bool armed;
6391
6392 mutex_lock(&event->vif_event_lock);
6393 armed = event->vif != NULL;
6394 mutex_unlock(&event->vif_event_lock);
6395
6396 return armed;
6397}
a9eb0c4b
AS		 6398
6399int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg,
6400 u8 action, ulong timeout)
d3c0b633
AS		 6401{
6402 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6403
6404 return wait_event_timeout(event->vif_wq,
6405 vif_event_equals(event, action), timeout);
6406}
6407
63db1a49
AS		 6408static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy,
6409 struct regulatory_request *req)
6410{
6411 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
6412 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
6413 struct brcmf_fil_country_le ccreq;
6414 int i;
6415
6416 brcmf_dbg(TRACE, "enter: initiator=%d, alpha=%c%c\n", req->initiator,
6417 req->alpha2[0], req->alpha2[1]);
6418
6419 /* ignore non-ISO3166 country codes */
6420 for (i = 0; i < sizeof(req->alpha2); i++)
6421 if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
6422 brcmf_err("not a ISO3166 code\n");
6423 return;
6424 }
6425 memset(&ccreq, 0, sizeof(ccreq));
6426 ccreq.rev = cpu_to_le32(-1);
6427 memcpy(ccreq.ccode, req->alpha2, sizeof(req->alpha2));
8afe0ece
AS		 6428 if (brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq))) {
6429 brcmf_err("firmware rejected country setting\n");
6430 return;
6431 }
6432 brcmf_setup_wiphybands(wiphy);
63db1a49
AS		 6433}
6434
b48d8916
AS		 6435static void brcmf_free_wiphy(struct wiphy *wiphy)
6436{
0882dda3
AS		 6437 int i;
6438
58de92d2
AS		 6439 if (!wiphy)
6440 return;
6441
0882dda3
AS		 6442 if (wiphy->iface_combinations) {
6443 for (i = 0; i < wiphy->n_iface_combinations; i++)
6444 kfree(wiphy->iface_combinations[i].limits);
6445 }
b48d8916
AS		 6446 kfree(wiphy->iface_combinations);
6447 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
6448 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
6449 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
6450 }
6451 if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
6452 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
6453 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
6454 }
6455 wiphy_free(wiphy);
6456}
6457
ccfd1e81 6458struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
ae7c03f6
HM		 6459 struct device *busdev,
6460 bool p2pdev_forced)
ccfd1e81 6461{
46f3b6ee 6462 struct net_device *ndev = brcmf_get_ifp(drvr, 0)->ndev;
ccfd1e81
AS		 6463 struct brcmf_cfg80211_info *cfg;
6464 struct wiphy *wiphy;
6465 struct brcmf_cfg80211_vif *vif;
6466 struct brcmf_if *ifp;
6467 s32 err = 0;
6468 s32 io_type;
b48d8916 6469 u16 *cap = NULL;
ccfd1e81
AS		 6470
6471 if (!ndev) {
6472 brcmf_err("ndev is invalid\n");
6473 return NULL;
6474 }
6475
6476 ifp = netdev_priv(ndev);
b48d8916
AS		 6477 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
6478 if (!wiphy) {
6479 brcmf_err("Could not allocate wiphy device\n");
ccfd1e81 6480 return NULL;
b48d8916 6481 }
6896f4fb 6482 memcpy(wiphy->perm_addr, drvr->mac, ETH_ALEN);
b48d8916 6483 set_wiphy_dev(wiphy, busdev);
ccfd1e81
AS		 6484
6485 cfg = wiphy_priv(wiphy);
6486 cfg->wiphy = wiphy;
6487 cfg->pub = drvr;
6488 init_vif_event(&cfg->vif_event);
6489 INIT_LIST_HEAD(&cfg->vif_list);
6490
6491 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
b48d8916
AS		 6492 if (IS_ERR(vif))
6493 goto wiphy_out;
ccfd1e81
AS		 6494
6495 vif->ifp = ifp;
6496 vif->wdev.netdev = ndev;
6497 ndev->ieee80211_ptr = &vif->wdev;
6498 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
6499
6500 err = wl_init_priv(cfg);
6501 if (err) {
6502 brcmf_err("Failed to init iwm_priv (%d)\n", err);
b48d8916
AS		 6503 brcmf_free_vif(vif);
6504 goto wiphy_out;
ccfd1e81
AS		 6505 }
6506 ifp->vif = vif;
6507
b48d8916
AS		 6508 /* determine d11 io type before wiphy setup */
6509 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
ccfd1e81 6510 if (err) {
b48d8916
AS		 6511 brcmf_err("Failed to get D11 version (%d)\n", err);
6512 goto priv_out;
ccfd1e81 6513 }
b48d8916
AS		 6514 cfg->d11inf.io_type = (u8)io_type;
6515 brcmu_d11_attach(&cfg->d11inf);
6516
6517 err = brcmf_setup_wiphy(wiphy, ifp);
6518 if (err < 0)
6519 goto priv_out;
6520
6521 brcmf_dbg(INFO, "Registering custom regulatory\n");
63db1a49 6522 wiphy->reg_notifier = brcmf_cfg80211_reg_notifier;
b48d8916
AS		 6523 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
6524 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
6525
6526 /* firmware defaults to 40MHz disabled in 2G band. We signal
6527 * cfg80211 here that we do and have it decide we can enable
6528 * it. But first check if device does support 2G operation.
6529 */
6530 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
6531 cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
6532 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6533 }
6534 err = wiphy_register(wiphy);
6535 if (err < 0) {
6536 brcmf_err("Could not register wiphy device (%d)\n", err);
6537 goto priv_out;
ccfd1e81
AS		 6538 }
6539
6540 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
6541 * setup 40MHz in 2GHz band and enable OBSS scanning.
6542 */
b48d8916
AS		 6543 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
6544 err = brcmf_enable_bw40_2g(cfg);
ccfd1e81
AS		 6545 if (!err)
6546 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
6547 BRCMF_OBSS_COEX_AUTO);
b48d8916
AS		 6548 else
6549 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ccfd1e81 6550 }
2b76acdb
HM		 6551 /* p2p might require that "if-events" get processed by fweh. So
6552 * activate the already registered event handlers now and activate
6553 * the rest when initialization has completed. drvr->config needs to
6554 * be assigned before activating events.
6555 */
6556 drvr->config = cfg;
6557 err = brcmf_fweh_activate_events(ifp);
6558 if (err) {
6559 brcmf_err("FWEH activation failed (%d)\n", err);
6560 goto wiphy_unreg_out;
6561 }
ccfd1e81 6562
ae7c03f6 6563 err = brcmf_p2p_attach(cfg, p2pdev_forced);
ccfd1e81 6564 if (err) {
b48d8916
AS		 6565 brcmf_err("P2P initilisation failed (%d)\n", err);
6566 goto wiphy_unreg_out;
6567 }
6568 err = brcmf_btcoex_attach(cfg);
6569 if (err) {
6570 brcmf_err("BT-coex initialisation failed (%d)\n", err);
6571 brcmf_p2p_detach(&cfg->p2p);
6572 goto wiphy_unreg_out;
ccfd1e81
AS		 6573 }
6574
a7b82d47
HM		 6575 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) {
6576 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
6577 if (err) {
6578 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
6579 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
6580 } else {
6581 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
6582 brcmf_notify_tdls_peer_event);
6583 }
ccfd1e81 6584 }
ccfd1e81 6585
2b76acdb
HM		 6586 /* (re-) activate FWEH event handling */
6587 err = brcmf_fweh_activate_events(ifp);
6588 if (err) {
6589 brcmf_err("FWEH activation failed (%d)\n", err);
6590 goto wiphy_unreg_out;
6591 }
6592
48ed16e8
HM		 6593 /* Fill in some of the advertised nl80211 supported features */
6594 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_RANDOM_MAC)) {
6595 wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
6596#ifdef CONFIG_PM
6597 if (wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT)
6598 wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
6599#endif
6600 }
6601
ccfd1e81
AS		 6602 return cfg;
6603
b48d8916
AS		 6604wiphy_unreg_out:
6605 wiphy_unregister(cfg->wiphy);
6606priv_out:
ccfd1e81 6607 wl_deinit_priv(cfg);
ccfd1e81 6608 brcmf_free_vif(vif);
2b5d348e 6609 ifp->vif = NULL;
b48d8916
AS		 6610wiphy_out:
6611 brcmf_free_wiphy(wiphy);
ccfd1e81
AS		 6612 return NULL;
6613}
6614
6615void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
6616{
6617 if (!cfg)
6618 return;
6619
ccfd1e81 6620 brcmf_btcoex_detach(cfg);
f7a40873 6621 wiphy_unregister(cfg->wiphy);
ccfd1e81 6622 wl_deinit_priv(cfg);
b48d8916 6623 brcmf_free_wiphy(cfg->wiphy);
ccfd1e81 6624}
Linux kernel - Deliverables
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