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bcma: clean bus initialization code
[deliverable/linux.git] / drivers / net / wireless / 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
9f440b7b 55#define BRCMF_IFACE_MAX_CNT 3
3eacf866 56
1a873342
HM		 57#define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
58#define WPA_OUI_TYPE 1
59#define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
60#define WME_OUI_TYPE 2
89286dc9 61#define WPS_OUI_TYPE 4
1a873342
HM		 62
63#define VS_IE_FIXED_HDR_LEN 6
64#define WPA_IE_VERSION_LEN 2
65#define WPA_IE_MIN_OUI_LEN 4
66#define WPA_IE_SUITE_COUNT_LEN 2
67
68#define WPA_CIPHER_NONE 0 /* None */
69#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
70#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
71#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
72#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
73
74#define RSN_AKM_NONE 0 /* None (IBSS) */
75#define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
76#define RSN_AKM_PSK 2 /* Pre-shared Key */
77#define RSN_CAP_LEN 2 /* Length of RSN capabilities */
78#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
79
80#define VNDR_IE_CMD_LEN 4 /* length of the set command
81 * string :"add", "del" (+ NUL)
82 */
83#define VNDR_IE_COUNT_OFFSET 4
84#define VNDR_IE_PKTFLAG_OFFSET 8
85#define VNDR_IE_VSIE_OFFSET 12
86#define VNDR_IE_HDR_SIZE 12
9f440b7b 87#define VNDR_IE_PARSE_LIMIT 5
1a873342
HM		 88
89#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
90#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
04012895 91
89286dc9
HM		 92#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
93#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
94#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
95
5b435de0
AS		 96#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
97 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
98
ce81e317 99static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
5b435de0 100{
c1179033 101 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
647c9ae0
AS		 102 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
103 vif->sme_state);
5b435de0
AS		 104 return false;
105 }
106 return true;
107}
108
5b435de0
AS		 109#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
110#define RATETAB_ENT(_rateid, _flags) \
111 { \
112 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
113 .hw_value = (_rateid), \
114 .flags = (_flags), \
115 }
116
117static struct ieee80211_rate __wl_rates[] = {
118 RATETAB_ENT(BRCM_RATE_1M, 0),
119 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
120 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
121 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
122 RATETAB_ENT(BRCM_RATE_6M, 0),
123 RATETAB_ENT(BRCM_RATE_9M, 0),
124 RATETAB_ENT(BRCM_RATE_12M, 0),
125 RATETAB_ENT(BRCM_RATE_18M, 0),
126 RATETAB_ENT(BRCM_RATE_24M, 0),
127 RATETAB_ENT(BRCM_RATE_36M, 0),
128 RATETAB_ENT(BRCM_RATE_48M, 0),
129 RATETAB_ENT(BRCM_RATE_54M, 0),
130};
131
132#define wl_a_rates (__wl_rates + 4)
133#define wl_a_rates_size 8
134#define wl_g_rates (__wl_rates + 0)
135#define wl_g_rates_size 12
136
b48d8916
AS		 137/* Band templates duplicated per wiphy. The channel info
138 * is filled in after querying the device.
139 */
140static const struct ieee80211_supported_band __wl_band_2ghz = {
5b435de0 141 .band = IEEE80211_BAND_2GHZ,
5b435de0
AS		 142 .bitrates = wl_g_rates,
143 .n_bitrates = wl_g_rates_size,
144};
145
b48d8916 146static const struct ieee80211_supported_band __wl_band_5ghz_a = {
5b435de0 147 .band = IEEE80211_BAND_5GHZ,
5b435de0
AS		 148 .bitrates = wl_a_rates,
149 .n_bitrates = wl_a_rates_size,
150};
151
d48200ba
HM		 152/* This is to override regulatory domains defined in cfg80211 module (reg.c)
153 * By default world regulatory domain defined in reg.c puts the flags
8fe02e16
LR		 154 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
155 * With respect to these flags, wpa_supplicant doesn't * start p2p
156 * operations on 5GHz channels. All the changes in world regulatory
d48200ba
HM		 157 * domain are to be done here.
158 */
159static const struct ieee80211_regdomain brcmf_regdom = {
160 .n_reg_rules = 4,
161 .alpha2 = "99",
162 .reg_rules = {
163 /* IEEE 802.11b/g, channels 1..11 */
164 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
165 /* If any */
166 /* IEEE 802.11 channel 14 - Only JP enables
167 * this and for 802.11b only
168 */
169 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
170 /* IEEE 802.11a, channel 36..64 */
c555ecde 171 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
d48200ba 172 /* IEEE 802.11a, channel 100..165 */
c555ecde 173 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
5b435de0
AS		 174};
175
176static const u32 __wl_cipher_suites[] = {
177 WLAN_CIPHER_SUITE_WEP40,
178 WLAN_CIPHER_SUITE_WEP104,
179 WLAN_CIPHER_SUITE_TKIP,
180 WLAN_CIPHER_SUITE_CCMP,
181 WLAN_CIPHER_SUITE_AES_CMAC,
182};
183
1a873342
HM		 184/* Vendor specific ie. id = 221, oui and type defines exact ie */
185struct brcmf_vs_tlv {
186 u8 id;
187 u8 len;
188 u8 oui[3];
189 u8 oui_type;
190};
191
192struct parsed_vndr_ie_info {
193 u8 *ie_ptr;
194 u32 ie_len; /* total length including id & length field */
195 struct brcmf_vs_tlv vndrie;
196};
197
198struct parsed_vndr_ies {
199 u32 count;
9f440b7b 200 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
1a873342
HM		 201};
202
68ca395f
HM		 203static int brcmf_roamoff;
204module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
205MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
206
ef6ac17a
AB		 207/* Quarter dBm units to mW
208 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
209 * Table is offset so the last entry is largest mW value that fits in
210 * a u16.
211 */
212
213#define QDBM_OFFSET 153 /* Offset for first entry */
214#define QDBM_TABLE_LEN 40 /* Table size */
215
216/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
217 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
218 */
219#define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
220
221/* Largest mW value that will round down to the last table entry,
222 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
223 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
224 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
225 */
226#define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
227
228static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
229/* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
230/* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
231/* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
232/* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
233/* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
234/* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
235};
236
237static u16 brcmf_qdbm_to_mw(u8 qdbm)
238{
239 uint factor = 1;
240 int idx = qdbm - QDBM_OFFSET;
241
242 if (idx >= QDBM_TABLE_LEN)
243 /* clamp to max u16 mW value */
244 return 0xFFFF;
245
246 /* scale the qdBm index up to the range of the table 0-40
247 * where an offset of 40 qdBm equals a factor of 10 mW.
248 */
249 while (idx < 0) {
250 idx += 40;
251 factor *= 10;
252 }
253
254 /* return the mW value scaled down to the correct factor of 10,
255 * adding in factor/2 to get proper rounding.
256 */
257 return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
258}
259
260static u8 brcmf_mw_to_qdbm(u16 mw)
261{
262 u8 qdbm;
263 int offset;
264 uint mw_uint = mw;
265 uint boundary;
266
267 /* handle boundary case */
268 if (mw_uint <= 1)
269 return 0;
270
271 offset = QDBM_OFFSET;
272
273 /* move mw into the range of the table */
274 while (mw_uint < QDBM_TABLE_LOW_BOUND) {
275 mw_uint *= 10;
276 offset -= 40;
277 }
278
279 for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
280 boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
281 nqdBm_to_mW_map[qdbm]) / 2;
282 if (mw_uint < boundary)
283 break;
284 }
285
286 qdbm += (u8) offset;
287
288 return qdbm;
289}
290
5a394eba
AS		 291static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
292 struct cfg80211_chan_def *ch)
600a897d
AS		 293{
294 struct brcmu_chan ch_inf;
295 s32 primary_offset;
296
297 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
298 ch->chan->center_freq, ch->center_freq1, ch->width);
299 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
300 primary_offset = ch->center_freq1 - ch->chan->center_freq;
301 switch (ch->width) {
302 case NL80211_CHAN_WIDTH_20:
0cd75b19 303 case NL80211_CHAN_WIDTH_20_NOHT:
600a897d
AS		 304 ch_inf.bw = BRCMU_CHAN_BW_20;
305 WARN_ON(primary_offset != 0);
306 break;
307 case NL80211_CHAN_WIDTH_40:
308 ch_inf.bw = BRCMU_CHAN_BW_40;
309 if (primary_offset < 0)
310 ch_inf.sb = BRCMU_CHAN_SB_U;
311 else
312 ch_inf.sb = BRCMU_CHAN_SB_L;
313 break;
314 case NL80211_CHAN_WIDTH_80:
315 ch_inf.bw = BRCMU_CHAN_BW_80;
316 if (primary_offset < 0) {
317 if (primary_offset < -CH_10MHZ_APART)
318 ch_inf.sb = BRCMU_CHAN_SB_UU;
319 else
320 ch_inf.sb = BRCMU_CHAN_SB_UL;
321 } else {
322 if (primary_offset > CH_10MHZ_APART)
323 ch_inf.sb = BRCMU_CHAN_SB_LL;
324 else
325 ch_inf.sb = BRCMU_CHAN_SB_LU;
326 }
327 break;
0cd75b19
AS		 328 case NL80211_CHAN_WIDTH_80P80:
329 case NL80211_CHAN_WIDTH_160:
330 case NL80211_CHAN_WIDTH_5:
331 case NL80211_CHAN_WIDTH_10:
600a897d
AS		 332 default:
333 WARN_ON_ONCE(1);
334 }
335 switch (ch->chan->band) {
336 case IEEE80211_BAND_2GHZ:
337 ch_inf.band = BRCMU_CHAN_BAND_2G;
338 break;
339 case IEEE80211_BAND_5GHZ:
340 ch_inf.band = BRCMU_CHAN_BAND_5G;
341 break;
0cd75b19 342 case IEEE80211_BAND_60GHZ:
600a897d
AS		 343 default:
344 WARN_ON_ONCE(1);
345 }
346 d11inf->encchspec(&ch_inf);
347
348 return ch_inf.chspec;
349}
350
83cf17aa
FL		 351u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
352 struct ieee80211_channel *ch)
6e186166 353{
83cf17aa 354 struct brcmu_chan ch_inf;
6e186166 355
83cf17aa
FL		 356 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
357 ch_inf.bw = BRCMU_CHAN_BW_20;
358 d11inf->encchspec(&ch_inf);
6e186166 359
83cf17aa 360 return ch_inf.chspec;
6e186166
AS		 361}
362
89286dc9
HM		 363/* Traverse a string of 1-byte tag/1-byte length/variable-length value
364 * triples, returning a pointer to the substring whose first element
365 * matches tag
366 */
4b5800fe
JB		 367const struct brcmf_tlv *
368brcmf_parse_tlvs(const void *buf, int buflen, uint key)
89286dc9 369{
4b5800fe
JB		 370 const struct brcmf_tlv *elt = buf;
371 int totlen = buflen;
89286dc9
HM		 372
373 /* find tagged parameter */
374 while (totlen >= TLV_HDR_LEN) {
375 int len = elt->len;
376
377 /* validate remaining totlen */
378 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
379 return elt;
380
381 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
382 totlen -= (len + TLV_HDR_LEN);
383 }
384
385 return NULL;
386}
387
388/* Is any of the tlvs the expected entry? If
389 * not update the tlvs buffer pointer/length.
390 */
391static bool
4b5800fe
JB		 392brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
393 const u8 *oui, u32 oui_len, u8 type)
89286dc9
HM		 394{
395 /* If the contents match the OUI and the type */
396 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
397 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
398 type == ie[TLV_BODY_OFF + oui_len]) {
399 return true;
400 }
401
402 if (tlvs == NULL)
403 return false;
404 /* point to the next ie */
405 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
406 /* calculate the length of the rest of the buffer */
407 *tlvs_len -= (int)(ie - *tlvs);
408 /* update the pointer to the start of the buffer */
409 *tlvs = ie;
410
411 return false;
412}
413
414static struct brcmf_vs_tlv *
4b5800fe 415brcmf_find_wpaie(const u8 *parse, u32 len)
89286dc9 416{
4b5800fe 417 const struct brcmf_tlv *ie;
89286dc9
HM		 418
419 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
4b5800fe 420 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
89286dc9
HM		 421 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
422 return (struct brcmf_vs_tlv *)ie;
423 }
424 return NULL;
425}
426
427static struct brcmf_vs_tlv *
4b5800fe 428brcmf_find_wpsie(const u8 *parse, u32 len)
89286dc9 429{
4b5800fe 430 const struct brcmf_tlv *ie;
89286dc9
HM		 431
432 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
433 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
434 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
435 return (struct brcmf_vs_tlv *)ie;
436 }
437 return NULL;
438}
439
440
5b435de0
AS		 441static void convert_key_from_CPU(struct brcmf_wsec_key *key,
442 struct brcmf_wsec_key_le *key_le)
443{
444 key_le->index = cpu_to_le32(key->index);
445 key_le->len = cpu_to_le32(key->len);
446 key_le->algo = cpu_to_le32(key->algo);
447 key_le->flags = cpu_to_le32(key->flags);
448 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
449 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
450 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
451 memcpy(key_le->data, key->data, sizeof(key->data));
452 memcpy(key_le->ea, key->ea, sizeof(key->ea));
453}
454
f09d0c02 455static int
118eb304 456send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key)
5b435de0
AS		 457{
458 int err;
459 struct brcmf_wsec_key_le key_le;
460
461 convert_key_from_CPU(key, &key_le);
f09d0c02 462
118eb304 463 brcmf_netdev_wait_pend8021x(ifp);
81f5dcb8 464
118eb304 465 err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le,
81f5dcb8 466 sizeof(key_le));
f09d0c02 467
5b435de0 468 if (err)
57d6e91a 469 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 470 return err;
471}
472
b3657453
HM		 473static s32
474brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
475{
476 s32 err;
477 u32 mode;
478
479 if (enable)
480 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
481 else
482 mode = 0;
483
484 /* Try to set and enable ARP offload feature, this may fail, then it */
485 /* is simply not supported and err 0 will be returned */
486 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
487 if (err) {
488 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
489 mode, err);
490 err = 0;
491 } else {
492 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
493 if (err) {
494 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
495 enable, err);
496 err = 0;
497 } else
498 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
499 enable, mode);
500 }
501
502 return err;
503}
504
8851cce0
HM		 505static void
506brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
507{
8f2b4597
AS		 508 struct brcmf_cfg80211_vif *vif;
509 struct brcmf_if *ifp;
510
511 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
512 ifp = vif->ifp;
8851cce0
HM		 513
514 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
515 (wdev->iftype == NL80211_IFTYPE_AP) ||
516 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
517 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
518 ADDR_DIRECT);
519 else
520 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
521 ADDR_INDIRECT);
522}
523
a44aa400
HM		 524static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp)
525{
526 struct brcmf_mbss_ssid_le mbss_ssid_le;
527 int bsscfgidx;
528 int err;
529
530 memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le));
531 bsscfgidx = brcmf_get_next_free_bsscfgidx(ifp->drvr);
532 if (bsscfgidx < 0)
533 return bsscfgidx;
534
535 mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx);
536 mbss_ssid_le.SSID_len = cpu_to_le32(5);
537 sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx);
538
539 err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le,
540 sizeof(mbss_ssid_le));
541 if (err < 0)
542 brcmf_err("setting ssid failed %d\n", err);
543
544 return err;
545}
546
547/**
548 * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS
549 *
550 * @wiphy: wiphy device of new interface.
551 * @name: name of the new interface.
552 * @flags: not used.
553 * @params: contains mac address for AP device.
554 */
555static
556struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name,
557 u32 *flags, struct vif_params *params)
558{
559 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
560 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
561 struct brcmf_cfg80211_vif *vif;
562 int err;
563
564 if (brcmf_cfg80211_vif_event_armed(cfg))
565 return ERR_PTR(-EBUSY);
566
567 brcmf_dbg(INFO, "Adding vif \"%s\"\n", name);
568
569 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false);
570 if (IS_ERR(vif))
571 return (struct wireless_dev *)vif;
572
573 brcmf_cfg80211_arm_vif_event(cfg, vif);
574
575 err = brcmf_cfg80211_request_ap_if(ifp);
576 if (err) {
577 brcmf_cfg80211_arm_vif_event(cfg, NULL);
578 goto fail;
579 }
580
581 /* wait for firmware event */
582 err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD,
583 msecs_to_jiffies(1500));
584 brcmf_cfg80211_arm_vif_event(cfg, NULL);
585 if (!err) {
586 brcmf_err("timeout occurred\n");
587 err = -EIO;
588 goto fail;
589 }
590
591 /* interface created in firmware */
592 ifp = vif->ifp;
593 if (!ifp) {
594 brcmf_err("no if pointer provided\n");
595 err = -ENOENT;
596 goto fail;
597 }
598
599 strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
600 err = brcmf_net_attach(ifp, true);
601 if (err) {
602 brcmf_err("Registering netdevice failed\n");
603 goto fail;
604 }
605
606 return &ifp->vif->wdev;
607
608fail:
609 brcmf_free_vif(vif);
610 return ERR_PTR(err);
611}
612
967fe2c8
AS		 613static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
614{
615 enum nl80211_iftype iftype;
616
617 iftype = vif->wdev.iftype;
618 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
619}
620
621static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
622{
623 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
624}
625
9f440b7b
AS		 626static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
627 const char *name,
628 enum nl80211_iftype type,
629 u32 *flags,
630 struct vif_params *params)
631{
8851cce0
HM		 632 struct wireless_dev *wdev;
633
9f440b7b
AS		 634 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
635 switch (type) {
636 case NL80211_IFTYPE_ADHOC:
637 case NL80211_IFTYPE_STATION:
9f440b7b
AS		 638 case NL80211_IFTYPE_AP_VLAN:
639 case NL80211_IFTYPE_WDS:
640 case NL80211_IFTYPE_MONITOR:
641 case NL80211_IFTYPE_MESH_POINT:
642 return ERR_PTR(-EOPNOTSUPP);
a44aa400
HM		 643 case NL80211_IFTYPE_AP:
644 wdev = brcmf_ap_add_vif(wiphy, name, flags, params);
645 if (!IS_ERR(wdev))
646 brcmf_cfg80211_update_proto_addr_mode(wdev);
647 return wdev;
9f440b7b
AS		 648 case NL80211_IFTYPE_P2P_CLIENT:
649 case NL80211_IFTYPE_P2P_GO:
27f10e38 650 case NL80211_IFTYPE_P2P_DEVICE:
8851cce0
HM		 651 wdev = brcmf_p2p_add_vif(wiphy, name, type, flags, params);
652 if (!IS_ERR(wdev))
653 brcmf_cfg80211_update_proto_addr_mode(wdev);
654 return wdev;
9f440b7b 655 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 656 default:
657 return ERR_PTR(-EINVAL);
658 }
659}
660
5e787f75
DK		 661static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
662{
c08437b4 663 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
5e787f75
DK		 664 brcmf_set_mpc(ifp, mpc);
665}
666
f96aa07e 667void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
5f4f9f11 668{
5f4f9f11
AS		 669 s32 err = 0;
670
671 if (check_vif_up(ifp->vif)) {
672 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
673 if (err) {
674 brcmf_err("fail to set mpc\n");
675 return;
676 }
677 brcmf_dbg(INFO, "MPC : %d\n", mpc);
678 }
679}
680
a0f472ac
AS		 681s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
682 struct brcmf_if *ifp, bool aborted,
683 bool fw_abort)
5f4f9f11
AS		 684{
685 struct brcmf_scan_params_le params_le;
686 struct cfg80211_scan_request *scan_request;
687 s32 err = 0;
688
689 brcmf_dbg(SCAN, "Enter\n");
690
691 /* clear scan request, because the FW abort can cause a second call */
692 /* to this functon and might cause a double cfg80211_scan_done */
693 scan_request = cfg->scan_request;
694 cfg->scan_request = NULL;
695
696 if (timer_pending(&cfg->escan_timeout))
697 del_timer_sync(&cfg->escan_timeout);
698
699 if (fw_abort) {
700 /* Do a scan abort to stop the driver's scan engine */
701 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
702 memset(&params_le, 0, sizeof(params_le));
703 memset(params_le.bssid, 0xFF, ETH_ALEN);
704 params_le.bss_type = DOT11_BSSTYPE_ANY;
705 params_le.scan_type = 0;
706 params_le.channel_num = cpu_to_le32(1);
707 params_le.nprobes = cpu_to_le32(1);
708 params_le.active_time = cpu_to_le32(-1);
709 params_le.passive_time = cpu_to_le32(-1);
710 params_le.home_time = cpu_to_le32(-1);
711 /* Scan is aborted by setting channel_list[0] to -1 */
712 params_le.channel_list[0] = cpu_to_le16(-1);
713 /* E-Scan (or anyother type) can be aborted by SCAN */
f96aa07e 714 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
5f4f9f11
AS		 715 &params_le, sizeof(params_le));
716 if (err)
717 brcmf_err("Scan abort failed\n");
718 }
0f0fe990 719
5e787f75 720 brcmf_scan_config_mpc(ifp, 1);
0f0fe990 721
5f4f9f11
AS		 722 /*
723 * e-scan can be initiated by scheduled scan
724 * which takes precedence.
725 */
726 if (cfg->sched_escan) {
727 brcmf_dbg(SCAN, "scheduled scan completed\n");
728 cfg->sched_escan = false;
729 if (!aborted)
730 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
5f4f9f11
AS		 731 } else if (scan_request) {
732 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
733 aborted ? "Aborted" : "Done");
734 cfg80211_scan_done(scan_request, aborted);
5f4f9f11 735 }
6eda4e2c
HM		 736 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
737 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
5f4f9f11
AS		 738
739 return err;
740}
741
9f440b7b
AS		 742static
743int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
744{
5f4f9f11
AS		 745 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
746 struct net_device *ndev = wdev->netdev;
747
748 /* vif event pending in firmware */
749 if (brcmf_cfg80211_vif_event_armed(cfg))
750 return -EBUSY;
751
752 if (ndev) {
753 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
a0f472ac
AS		 754 cfg->escan_info.ifp == netdev_priv(ndev))
755 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
756 true, true);
5f4f9f11
AS		 757
758 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
759 }
760
9f440b7b
AS		 761 switch (wdev->iftype) {
762 case NL80211_IFTYPE_ADHOC:
763 case NL80211_IFTYPE_STATION:
764 case NL80211_IFTYPE_AP:
765 case NL80211_IFTYPE_AP_VLAN:
766 case NL80211_IFTYPE_WDS:
767 case NL80211_IFTYPE_MONITOR:
768 case NL80211_IFTYPE_MESH_POINT:
769 return -EOPNOTSUPP;
770 case NL80211_IFTYPE_P2P_CLIENT:
771 case NL80211_IFTYPE_P2P_GO:
27f10e38 772 case NL80211_IFTYPE_P2P_DEVICE:
9f440b7b
AS		 773 return brcmf_p2p_del_vif(wiphy, wdev);
774 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 775 default:
776 return -EINVAL;
777 }
778 return -EOPNOTSUPP;
779}
780
5b435de0
AS		 781static s32
782brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
783 enum nl80211_iftype type, u32 *flags,
784 struct vif_params *params)
785{
7a5c1f64 786 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
c1179033 787 struct brcmf_if *ifp = netdev_priv(ndev);
128ce3b6 788 struct brcmf_cfg80211_vif *vif = ifp->vif;
5b435de0 789 s32 infra = 0;
1a873342 790 s32 ap = 0;
5b435de0
AS		 791 s32 err = 0;
792
d96b801f 793 brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
5b435de0
AS		 794
795 switch (type) {
796 case NL80211_IFTYPE_MONITOR:
797 case NL80211_IFTYPE_WDS:
57d6e91a
AS		 798 brcmf_err("type (%d) : currently we do not support this type\n",
799 type);
5b435de0
AS		 800 return -EOPNOTSUPP;
801 case NL80211_IFTYPE_ADHOC:
5b435de0
AS		 802 infra = 0;
803 break;
804 case NL80211_IFTYPE_STATION:
1bc7c654
HM		 805 /* Ignore change for p2p IF. Unclear why supplicant does this */
806 if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
807 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
808 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
809 /* WAR: It is unexpected to get a change of VIF for P2P
810 * IF, but it happens. The request can not be handled
811 * but returning EPERM causes a crash. Returning 0
812 * without setting ieee80211_ptr->iftype causes trace
813 * (WARN_ON) but it works with wpa_supplicant
814 */
815 return 0;
816 }
5b435de0
AS		 817 infra = 1;
818 break;
1a873342 819 case NL80211_IFTYPE_AP:
7a5c1f64 820 case NL80211_IFTYPE_P2P_GO:
1a873342
HM		 821 ap = 1;
822 break;
5b435de0
AS		 823 default:
824 err = -EINVAL;
825 goto done;
826 }
827
1a873342 828 if (ap) {
7a5c1f64
HM		 829 if (type == NL80211_IFTYPE_P2P_GO) {
830 brcmf_dbg(INFO, "IF Type = P2P GO\n");
831 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
832 }
833 if (!err) {
834 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
835 brcmf_dbg(INFO, "IF Type = AP\n");
836 }
5b435de0 837 } else {
128ce3b6 838 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
1a873342 839 if (err) {
57d6e91a 840 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
1a873342
HM		 841 err = -EAGAIN;
842 goto done;
843 }
967fe2c8 844 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
647c9ae0 845 "Adhoc" : "Infra");
5b435de0 846 }
1a873342 847 ndev->ieee80211_ptr->iftype = type;
5b435de0 848
8851cce0
HM		 849 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
850
5b435de0 851done:
d96b801f 852 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 853
854 return err;
855}
856
83cf17aa
FL		 857static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
858 struct brcmf_scan_params_le *params_le,
e756af5b
HM		 859 struct cfg80211_scan_request *request)
860{
861 u32 n_ssids;
862 u32 n_channels;
863 s32 i;
864 s32 offset;
029591f3 865 u16 chanspec;
e756af5b 866 char *ptr;
029591f3 867 struct brcmf_ssid_le ssid_le;
e756af5b 868
ba40d166 869 memset(params_le->bssid, 0xFF, ETH_ALEN);
e756af5b
HM		 870 params_le->bss_type = DOT11_BSSTYPE_ANY;
871 params_le->scan_type = 0;
872 params_le->channel_num = 0;
873 params_le->nprobes = cpu_to_le32(-1);
874 params_le->active_time = cpu_to_le32(-1);
875 params_le->passive_time = cpu_to_le32(-1);
876 params_le->home_time = cpu_to_le32(-1);
877 memset(&params_le->ssid_le, 0, sizeof(params_le->ssid_le));
878
879 /* if request is null exit so it will be all channel broadcast scan */
880 if (!request)
881 return;
882
883 n_ssids = request->n_ssids;
884 n_channels = request->n_channels;
885 /* Copy channel array if applicable */
4e8a008e
AS		 886 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
887 n_channels);
e756af5b
HM		 888 if (n_channels > 0) {
889 for (i = 0; i < n_channels; i++) {
83cf17aa
FL		 890 chanspec = channel_to_chanspec(&cfg->d11inf,
891 request->channels[i]);
4e8a008e
AS		 892 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
893 request->channels[i]->hw_value, chanspec);
029591f3 894 params_le->channel_list[i] = cpu_to_le16(chanspec);
e756af5b
HM		 895 }
896 } else {
4e8a008e 897 brcmf_dbg(SCAN, "Scanning all channels\n");
e756af5b
HM		 898 }
899 /* Copy ssid array if applicable */
4e8a008e 900 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
e756af5b
HM		 901 if (n_ssids > 0) {
902 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
903 n_channels * sizeof(u16);
904 offset = roundup(offset, sizeof(u32));
905 ptr = (char *)params_le + offset;
906 for (i = 0; i < n_ssids; i++) {
029591f3
AS		 907 memset(&ssid_le, 0, sizeof(ssid_le));
908 ssid_le.SSID_len =
909 cpu_to_le32(request->ssids[i].ssid_len);
910 memcpy(ssid_le.SSID, request->ssids[i].ssid,
911 request->ssids[i].ssid_len);
912 if (!ssid_le.SSID_len)
4e8a008e 913 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
e756af5b 914 else
4e8a008e
AS		 915 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
916 i, ssid_le.SSID, ssid_le.SSID_len);
029591f3
AS		 917 memcpy(ptr, &ssid_le, sizeof(ssid_le));
918 ptr += sizeof(ssid_le);
e756af5b
HM		 919 }
920 } else {
4e8a008e 921 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
e756af5b 922 if ((request->ssids) && request->ssids->ssid_len) {
4e8a008e
AS		 923 brcmf_dbg(SCAN, "SSID %s len=%d\n",
924 params_le->ssid_le.SSID,
925 request->ssids->ssid_len);
e756af5b
HM		 926 params_le->ssid_le.SSID_len =
927 cpu_to_le32(request->ssids->ssid_len);
928 memcpy(&params_le->ssid_le.SSID, request->ssids->ssid,
929 request->ssids->ssid_len);
930 }
931 }
932 /* Adding mask to channel numbers */
933 params_le->channel_num =
934 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
935 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
936}
937
e756af5b 938static s32
a0f472ac 939brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
e756af5b
HM		 940 struct cfg80211_scan_request *request, u16 action)
941{
942 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
943 offsetof(struct brcmf_escan_params_le, params_le);
944 struct brcmf_escan_params_le *params;
945 s32 err = 0;
946
4e8a008e 947 brcmf_dbg(SCAN, "E-SCAN START\n");
e756af5b
HM		 948
949 if (request != NULL) {
950 /* Allocate space for populating ssids in struct */
951 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
952
953 /* Allocate space for populating ssids in struct */
954 params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
955 }
956
957 params = kzalloc(params_size, GFP_KERNEL);
958 if (!params) {
959 err = -ENOMEM;
960 goto exit;
961 }
962 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
83cf17aa 963 brcmf_escan_prep(cfg, &params->params_le, request);
e756af5b
HM		 964 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
965 params->action = cpu_to_le16(action);
966 params->sync_id = cpu_to_le16(0x1234);
967
a0f472ac 968 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
e756af5b
HM		 969 if (err) {
970 if (err == -EBUSY)
647c9ae0 971 brcmf_dbg(INFO, "system busy : escan canceled\n");
e756af5b 972 else
57d6e91a 973 brcmf_err("error (%d)\n", err);
e756af5b
HM		 974 }
975
976 kfree(params);
977exit:
978 return err;
979}
980
981static s32
27a68fe3 982brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
a0f472ac 983 struct brcmf_if *ifp, struct cfg80211_scan_request *request)
e756af5b
HM		 984{
985 s32 err;
81f5dcb8 986 u32 passive_scan;
e756af5b 987 struct brcmf_scan_results *results;
9f440b7b 988 struct escan_info *escan = &cfg->escan_info;
e756af5b 989
4e8a008e 990 brcmf_dbg(SCAN, "Enter\n");
a0f472ac 991 escan->ifp = ifp;
9f440b7b
AS		 992 escan->wiphy = wiphy;
993 escan->escan_state = WL_ESCAN_STATE_SCANNING;
81f5dcb8 994 passive_scan = cfg->active_scan ? 0 : 1;
f96aa07e 995 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 996 passive_scan);
e756af5b 997 if (err) {
57d6e91a 998 brcmf_err("error (%d)\n", err);
e756af5b
HM		 999 return err;
1000 }
5e787f75 1001 brcmf_scan_config_mpc(ifp, 0);
27a68fe3 1002 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
e756af5b
HM		 1003 results->version = 0;
1004 results->count = 0;
1005 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
1006
a0f472ac 1007 err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
e756af5b 1008 if (err)
5e787f75 1009 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1010 return err;
1011}
1012
1013static s32
a0f472ac 1014brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
e756af5b
HM		 1015 struct cfg80211_scan_request *request,
1016 struct cfg80211_ssid *this_ssid)
1017{
a0f472ac
AS		 1018 struct brcmf_if *ifp = vif->ifp;
1019 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e756af5b 1020 struct cfg80211_ssid *ssids;
f0799895 1021 struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
81f5dcb8 1022 u32 passive_scan;
e756af5b
HM		 1023 bool escan_req;
1024 bool spec_scan;
1025 s32 err;
1026 u32 SSID_len;
1027
4e8a008e 1028 brcmf_dbg(SCAN, "START ESCAN\n");
e756af5b 1029
c1179033 1030 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 1031 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e756af5b
HM		 1032 return -EAGAIN;
1033 }
c1179033 1034 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
57d6e91a
AS		 1035 brcmf_err("Scanning being aborted: status (%lu)\n",
1036 cfg->scan_status);
e756af5b
HM		 1037 return -EAGAIN;
1038 }
1687eee2
AS		 1039 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
1040 brcmf_err("Scanning suppressed: status (%lu)\n",
1041 cfg->scan_status);
1042 return -EAGAIN;
1043 }
c1179033 1044 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
57d6e91a 1045 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
e756af5b
HM		 1046 return -EAGAIN;
1047 }
1048
0f8ffe17 1049 /* If scan req comes for p2p0, send it over primary I/F */
a0f472ac
AS		 1050 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
1051 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
0f8ffe17 1052
e756af5b 1053 /* Arm scan timeout timer */
27a68fe3 1054 mod_timer(&cfg->escan_timeout, jiffies +
e756af5b
HM		 1055 WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
1056
1057 escan_req = false;
1058 if (request) {
1059 /* scan bss */
1060 ssids = request->ssids;
1061 escan_req = true;
1062 } else {
1063 /* scan in ibss */
1064 /* we don't do escan in ibss */
1065 ssids = this_ssid;
1066 }
1067
27a68fe3 1068 cfg->scan_request = request;
c1179033 1069 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e756af5b 1070 if (escan_req) {
9f440b7b 1071 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 1072 err = brcmf_p2p_scan_prep(wiphy, request, vif);
9f440b7b
AS		 1073 if (err)
1074 goto scan_out;
1075
a0f472ac 1076 err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
2cb941c0 1077 if (err)
e756af5b
HM		 1078 goto scan_out;
1079 } else {
4e8a008e
AS		 1080 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
1081 ssids->ssid, ssids->ssid_len);
e756af5b
HM		 1082 memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
1083 SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
1084 sr->ssid_le.SSID_len = cpu_to_le32(0);
1085 spec_scan = false;
1086 if (SSID_len) {
1087 memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
1088 sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
1089 spec_scan = true;
1090 } else
4e8a008e 1091 brcmf_dbg(SCAN, "Broadcast scan\n");
e756af5b 1092
81f5dcb8 1093 passive_scan = cfg->active_scan ? 0 : 1;
c1179033 1094 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 1095 passive_scan);
e756af5b 1096 if (err) {
57d6e91a 1097 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
e756af5b
HM		 1098 goto scan_out;
1099 }
5e787f75 1100 brcmf_scan_config_mpc(ifp, 0);
c1179033 1101 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
ac24be6f 1102 &sr->ssid_le, sizeof(sr->ssid_le));
e756af5b
HM		 1103 if (err) {
1104 if (err == -EBUSY)
647c9ae0
AS		 1105 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
1106 sr->ssid_le.SSID);
e756af5b 1107 else
57d6e91a 1108 brcmf_err("WLC_SCAN error (%d)\n", err);
e756af5b 1109
5e787f75 1110 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1111 goto scan_out;
1112 }
1113 }
1114
1115 return 0;
1116
1117scan_out:
c1179033 1118 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
27a68fe3
AS		 1119 if (timer_pending(&cfg->escan_timeout))
1120 del_timer_sync(&cfg->escan_timeout);
1121 cfg->scan_request = NULL;
e756af5b
HM		 1122 return err;
1123}
1124
5b435de0 1125static s32
0abb5f21 1126brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
5b435de0 1127{
a0f472ac 1128 struct brcmf_cfg80211_vif *vif;
5b435de0
AS		 1129 s32 err = 0;
1130
d96b801f 1131 brcmf_dbg(TRACE, "Enter\n");
a0f472ac
AS		 1132 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1133 if (!check_vif_up(vif))
5b435de0
AS		 1134 return -EIO;
1135
a0f472ac 1136 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
e756af5b 1137
5b435de0 1138 if (err)
57d6e91a 1139 brcmf_err("scan error (%d)\n", err);
5b435de0 1140
d96b801f 1141 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1142 return err;
1143}
1144
1145static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1146{
1147 s32 err = 0;
1148
ac24be6f
AS		 1149 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1150 rts_threshold);
5b435de0 1151 if (err)
57d6e91a 1152 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1153
1154 return err;
1155}
1156
1157static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1158{
1159 s32 err = 0;
1160
ac24be6f
AS		 1161 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1162 frag_threshold);
5b435de0 1163 if (err)
57d6e91a 1164 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1165
1166 return err;
1167}
1168
1169static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1170{
1171 s32 err = 0;
b87e2c48 1172 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
5b435de0 1173
ac24be6f 1174 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
5b435de0 1175 if (err) {
57d6e91a 1176 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
5b435de0
AS		 1177 return err;
1178 }
1179 return err;
1180}
1181
1182static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1183{
27a68fe3
AS		 1184 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1185 struct net_device *ndev = cfg_to_ndev(cfg);
0abb5f21 1186 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1187 s32 err = 0;
1188
d96b801f 1189 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1190 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1191 return -EIO;
1192
1193 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
27a68fe3
AS		 1194 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1195 cfg->conf->rts_threshold = wiphy->rts_threshold;
1196 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
5b435de0
AS		 1197 if (!err)
1198 goto done;
1199 }
1200 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
27a68fe3
AS		 1201 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1202 cfg->conf->frag_threshold = wiphy->frag_threshold;
1203 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
5b435de0
AS		 1204 if (!err)
1205 goto done;
1206 }
1207 if (changed & WIPHY_PARAM_RETRY_LONG
27a68fe3
AS		 1208 && (cfg->conf->retry_long != wiphy->retry_long)) {
1209 cfg->conf->retry_long = wiphy->retry_long;
1210 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
5b435de0
AS		 1211 if (!err)
1212 goto done;
1213 }
1214 if (changed & WIPHY_PARAM_RETRY_SHORT
27a68fe3
AS		 1215 && (cfg->conf->retry_short != wiphy->retry_short)) {
1216 cfg->conf->retry_short = wiphy->retry_short;
1217 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
5b435de0
AS		 1218 if (!err)
1219 goto done;
1220 }
1221
1222done:
d96b801f 1223 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1224 return err;
1225}
1226
5b435de0
AS		 1227static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1228{
1229 memset(prof, 0, sizeof(*prof));
1230}
1231
903e0eee 1232static void brcmf_link_down(struct brcmf_cfg80211_vif *vif)
5b435de0 1233{
61730d4d 1234 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
5b435de0
AS		 1235 s32 err = 0;
1236
d96b801f 1237 brcmf_dbg(TRACE, "Enter\n");
5b435de0 1238
903e0eee 1239 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
647c9ae0 1240 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
903e0eee 1241 err = brcmf_fil_cmd_data_set(vif->ifp,
ac24be6f 1242 BRCMF_C_DISASSOC, NULL, 0);
a538ae31 1243 if (err) {
57d6e91a 1244 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
a538ae31 1245 }
903e0eee 1246 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state);
43dffbc6
AS		 1247 cfg80211_disconnected(vif->wdev.netdev, 0, NULL, 0, GFP_KERNEL);
1248
5b435de0 1249 }
903e0eee 1250 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
61730d4d
PH		 1251 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1252 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
d96b801f 1253 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1254}
1255
1256static s32
1257brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1258 struct cfg80211_ibss_params *params)
1259{
27a68fe3 1260 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1261 struct brcmf_if *ifp = netdev_priv(ndev);
1262 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1263 struct brcmf_join_params join_params;
1264 size_t join_params_size = 0;
1265 s32 err = 0;
1266 s32 wsec = 0;
1267 s32 bcnprd;
1701261d 1268 u16 chanspec;
5b435de0 1269
d96b801f 1270 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1271 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1272 return -EIO;
1273
1274 if (params->ssid)
16886735 1275 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
5b435de0 1276 else {
16886735 1277 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
5b435de0
AS		 1278 return -EOPNOTSUPP;
1279 }
1280
c1179033 1281 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1282
1283 if (params->bssid)
16886735 1284 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
5b435de0 1285 else
16886735 1286 brcmf_dbg(CONN, "No BSSID specified\n");
5b435de0 1287
683b6d3b 1288 if (params->chandef.chan)
16886735
AS		 1289 brcmf_dbg(CONN, "channel: %d\n",
1290 params->chandef.chan->center_freq);
5b435de0 1291 else
16886735 1292 brcmf_dbg(CONN, "no channel specified\n");
5b435de0
AS		 1293
1294 if (params->channel_fixed)
16886735 1295 brcmf_dbg(CONN, "fixed channel required\n");
5b435de0 1296 else
16886735 1297 brcmf_dbg(CONN, "no fixed channel required\n");
5b435de0
AS		 1298
1299 if (params->ie && params->ie_len)
16886735 1300 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
5b435de0 1301 else
16886735 1302 brcmf_dbg(CONN, "no ie specified\n");
5b435de0
AS		 1303
1304 if (params->beacon_interval)
16886735
AS		 1305 brcmf_dbg(CONN, "beacon interval: %d\n",
1306 params->beacon_interval);
5b435de0 1307 else
16886735 1308 brcmf_dbg(CONN, "no beacon interval specified\n");
5b435de0
AS		 1309
1310 if (params->basic_rates)
16886735 1311 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
5b435de0 1312 else
16886735 1313 brcmf_dbg(CONN, "no basic rates specified\n");
5b435de0
AS		 1314
1315 if (params->privacy)
16886735 1316 brcmf_dbg(CONN, "privacy required\n");
5b435de0 1317 else
16886735 1318 brcmf_dbg(CONN, "no privacy required\n");
5b435de0
AS		 1319
1320 /* Configure Privacy for starter */
1321 if (params->privacy)
1322 wsec |= WEP_ENABLED;
1323
c1179033 1324 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
5b435de0 1325 if (err) {
57d6e91a 1326 brcmf_err("wsec failed (%d)\n", err);
5b435de0
AS		 1327 goto done;
1328 }
1329
1330 /* Configure Beacon Interval for starter */
1331 if (params->beacon_interval)
1332 bcnprd = params->beacon_interval;
1333 else
1334 bcnprd = 100;
1335
b87e2c48 1336 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
5b435de0 1337 if (err) {
57d6e91a 1338 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
5b435de0
AS		 1339 goto done;
1340 }
1341
1342 /* Configure required join parameter */
1343 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1344
1345 /* SSID */
6c8c4f72
AS		 1346 profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
1347 memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
1348 memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
1349 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1350 join_params_size = sizeof(join_params.ssid_le);
5b435de0
AS		 1351
1352 /* BSSID */
1353 if (params->bssid) {
1354 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1355 join_params_size = sizeof(join_params.ssid_le) +
1356 BRCMF_ASSOC_PARAMS_FIXED_SIZE;
6c8c4f72 1357 memcpy(profile->bssid, params->bssid, ETH_ALEN);
5b435de0 1358 } else {
ba40d166 1359 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
6c8c4f72 1360 memset(profile->bssid, 0, ETH_ALEN);
5b435de0
AS		 1361 }
1362
5b435de0 1363 /* Channel */
683b6d3b 1364 if (params->chandef.chan) {
5b435de0
AS		 1365 u32 target_channel;
1366
27a68fe3 1367 cfg->channel =
5b435de0 1368 ieee80211_frequency_to_channel(
683b6d3b 1369 params->chandef.chan->center_freq);
5b435de0
AS		 1370 if (params->channel_fixed) {
1371 /* adding chanspec */
600a897d
AS		 1372 chanspec = chandef_to_chanspec(&cfg->d11inf,
1373 &params->chandef);
1701261d
HM		 1374 join_params.params_le.chanspec_list[0] =
1375 cpu_to_le16(chanspec);
1376 join_params.params_le.chanspec_num = cpu_to_le32(1);
1377 join_params_size += sizeof(join_params.params_le);
5b435de0
AS		 1378 }
1379
1380 /* set channel for starter */
27a68fe3 1381 target_channel = cfg->channel;
b87e2c48 1382 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
81f5dcb8 1383 target_channel);
5b435de0 1384 if (err) {
57d6e91a 1385 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
5b435de0
AS		 1386 goto done;
1387 }
1388 } else
27a68fe3 1389 cfg->channel = 0;
5b435de0 1390
27a68fe3 1391 cfg->ibss_starter = false;
5b435de0
AS		 1392
1393
c1179033 1394 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1395 &join_params, join_params_size);
5b435de0 1396 if (err) {
57d6e91a 1397 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1398 goto done;
1399 }
1400
1401done:
1402 if (err)
c1179033 1403 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1404 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1405 return err;
1406}
1407
1408static s32
1409brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1410{
0abb5f21 1411 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 1412
d96b801f 1413 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1414 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1415 return -EIO;
1416
903e0eee 1417 brcmf_link_down(ifp->vif);
5b435de0 1418
d96b801f 1419 brcmf_dbg(TRACE, "Exit\n");
5b435de0 1420
12f32370 1421 return 0;
5b435de0
AS		 1422}
1423
1424static s32 brcmf_set_wpa_version(struct net_device *ndev,
1425 struct cfg80211_connect_params *sme)
1426{
6ac4f4ed 1427 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1428 struct brcmf_cfg80211_security *sec;
1429 s32 val = 0;
1430 s32 err = 0;
1431
1432 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1433 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1434 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1435 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1436 else
1437 val = WPA_AUTH_DISABLED;
16886735 1438 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
89286dc9 1439 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
5b435de0 1440 if (err) {
57d6e91a 1441 brcmf_err("set wpa_auth failed (%d)\n", err);
5b435de0
AS		 1442 return err;
1443 }
06bb123e 1444 sec = &profile->sec;
5b435de0
AS		 1445 sec->wpa_versions = sme->crypto.wpa_versions;
1446 return err;
1447}
1448
1449static s32 brcmf_set_auth_type(struct net_device *ndev,
1450 struct cfg80211_connect_params *sme)
1451{
6ac4f4ed 1452 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1453 struct brcmf_cfg80211_security *sec;
1454 s32 val = 0;
1455 s32 err = 0;
1456
1457 switch (sme->auth_type) {
1458 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1459 val = 0;
16886735 1460 brcmf_dbg(CONN, "open system\n");
5b435de0
AS		 1461 break;
1462 case NL80211_AUTHTYPE_SHARED_KEY:
1463 val = 1;
16886735 1464 brcmf_dbg(CONN, "shared key\n");
5b435de0
AS		 1465 break;
1466 case NL80211_AUTHTYPE_AUTOMATIC:
1467 val = 2;
16886735 1468 brcmf_dbg(CONN, "automatic\n");
5b435de0
AS		 1469 break;
1470 case NL80211_AUTHTYPE_NETWORK_EAP:
16886735 1471 brcmf_dbg(CONN, "network eap\n");
5b435de0
AS		 1472 default:
1473 val = 2;
57d6e91a 1474 brcmf_err("invalid auth type (%d)\n", sme->auth_type);
5b435de0
AS		 1475 break;
1476 }
1477
89286dc9 1478 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
5b435de0 1479 if (err) {
57d6e91a 1480 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1481 return err;
1482 }
06bb123e 1483 sec = &profile->sec;
5b435de0
AS		 1484 sec->auth_type = sme->auth_type;
1485 return err;
1486}
1487
1488static s32
87b7e9e2
DK		 1489brcmf_set_wsec_mode(struct net_device *ndev,
1490 struct cfg80211_connect_params *sme, bool mfp)
5b435de0 1491{
6ac4f4ed 1492 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1493 struct brcmf_cfg80211_security *sec;
1494 s32 pval = 0;
1495 s32 gval = 0;
87b7e9e2 1496 s32 wsec;
5b435de0
AS		 1497 s32 err = 0;
1498
1499 if (sme->crypto.n_ciphers_pairwise) {
1500 switch (sme->crypto.ciphers_pairwise[0]) {
1501 case WLAN_CIPHER_SUITE_WEP40:
1502 case WLAN_CIPHER_SUITE_WEP104:
1503 pval = WEP_ENABLED;
1504 break;
1505 case WLAN_CIPHER_SUITE_TKIP:
1506 pval = TKIP_ENABLED;
1507 break;
1508 case WLAN_CIPHER_SUITE_CCMP:
1509 pval = AES_ENABLED;
1510 break;
1511 case WLAN_CIPHER_SUITE_AES_CMAC:
1512 pval = AES_ENABLED;
1513 break;
1514 default:
57d6e91a
AS		 1515 brcmf_err("invalid cipher pairwise (%d)\n",
1516 sme->crypto.ciphers_pairwise[0]);
5b435de0
AS		 1517 return -EINVAL;
1518 }
1519 }
1520 if (sme->crypto.cipher_group) {
1521 switch (sme->crypto.cipher_group) {
1522 case WLAN_CIPHER_SUITE_WEP40:
1523 case WLAN_CIPHER_SUITE_WEP104:
1524 gval = WEP_ENABLED;
1525 break;
1526 case WLAN_CIPHER_SUITE_TKIP:
1527 gval = TKIP_ENABLED;
1528 break;
1529 case WLAN_CIPHER_SUITE_CCMP:
1530 gval = AES_ENABLED;
1531 break;
1532 case WLAN_CIPHER_SUITE_AES_CMAC:
1533 gval = AES_ENABLED;
1534 break;
1535 default:
57d6e91a
AS		 1536 brcmf_err("invalid cipher group (%d)\n",
1537 sme->crypto.cipher_group);
5b435de0
AS		 1538 return -EINVAL;
1539 }
1540 }
1541
16886735 1542 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
89286dc9
HM		 1543 /* In case of privacy, but no security and WPS then simulate */
1544 /* setting AES. WPS-2.0 allows no security */
1545 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1546 sme->privacy)
1547 pval = AES_ENABLED;
87b7e9e2
DK		 1548
1549 if (mfp)
1550 wsec = pval | gval | MFP_CAPABLE;
1551 else
1552 wsec = pval | gval;
1553 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
5b435de0 1554 if (err) {
57d6e91a 1555 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1556 return err;
1557 }
1558
06bb123e 1559 sec = &profile->sec;
5b435de0
AS		 1560 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1561 sec->cipher_group = sme->crypto.cipher_group;
1562
1563 return err;
1564}
1565
1566static s32
1567brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1568{
6ac4f4ed 1569 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1570 struct brcmf_cfg80211_security *sec;
1571 s32 val = 0;
1572 s32 err = 0;
1573
1574 if (sme->crypto.n_akm_suites) {
89286dc9
HM		 1575 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
1576 "wpa_auth", &val);
5b435de0 1577 if (err) {
57d6e91a 1578 brcmf_err("could not get wpa_auth (%d)\n", err);
5b435de0
AS		 1579 return err;
1580 }
1581 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1582 switch (sme->crypto.akm_suites[0]) {
1583 case WLAN_AKM_SUITE_8021X:
1584 val = WPA_AUTH_UNSPECIFIED;
1585 break;
1586 case WLAN_AKM_SUITE_PSK:
1587 val = WPA_AUTH_PSK;
1588 break;
1589 default:
57d6e91a
AS		 1590 brcmf_err("invalid cipher group (%d)\n",
1591 sme->crypto.cipher_group);
5b435de0
AS		 1592 return -EINVAL;
1593 }
1594 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1595 switch (sme->crypto.akm_suites[0]) {
1596 case WLAN_AKM_SUITE_8021X:
1597 val = WPA2_AUTH_UNSPECIFIED;
1598 break;
1599 case WLAN_AKM_SUITE_PSK:
1600 val = WPA2_AUTH_PSK;
1601 break;
1602 default:
57d6e91a
AS		 1603 brcmf_err("invalid cipher group (%d)\n",
1604 sme->crypto.cipher_group);
5b435de0
AS		 1605 return -EINVAL;
1606 }
1607 }
1608
16886735 1609 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
89286dc9
HM		 1610 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
1611 "wpa_auth", val);
5b435de0 1612 if (err) {
57d6e91a 1613 brcmf_err("could not set wpa_auth (%d)\n", err);
5b435de0
AS		 1614 return err;
1615 }
1616 }
06bb123e 1617 sec = &profile->sec;
5b435de0
AS		 1618 sec->wpa_auth = sme->crypto.akm_suites[0];
1619
1620 return err;
1621}
1622
1623static s32
f09d0c02
HM		 1624brcmf_set_sharedkey(struct net_device *ndev,
1625 struct cfg80211_connect_params *sme)
5b435de0 1626{
6ac4f4ed 1627 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1628 struct brcmf_cfg80211_security *sec;
1629 struct brcmf_wsec_key key;
1630 s32 val;
1631 s32 err = 0;
1632
16886735 1633 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
5b435de0 1634
a718e2fe
RV		 1635 if (sme->key_len == 0)
1636 return 0;
1637
06bb123e 1638 sec = &profile->sec;
16886735
AS		 1639 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1640 sec->wpa_versions, sec->cipher_pairwise);
a718e2fe
RV		 1641
1642 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1643 return 0;
1644
f09d0c02
HM		 1645 if (!(sec->cipher_pairwise &
1646 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1647 return 0;
a718e2fe 1648
f09d0c02
HM		 1649 memset(&key, 0, sizeof(key));
1650 key.len = (u32) sme->key_len;
1651 key.index = (u32) sme->key_idx;
1652 if (key.len > sizeof(key.data)) {
57d6e91a 1653 brcmf_err("Too long key length (%u)\n", key.len);
f09d0c02
HM		 1654 return -EINVAL;
1655 }
1656 memcpy(key.data, sme->key, key.len);
1657 key.flags = BRCMF_PRIMARY_KEY;
1658 switch (sec->cipher_pairwise) {
1659 case WLAN_CIPHER_SUITE_WEP40:
1660 key.algo = CRYPTO_ALGO_WEP1;
1661 break;
1662 case WLAN_CIPHER_SUITE_WEP104:
1663 key.algo = CRYPTO_ALGO_WEP128;
1664 break;
1665 default:
57d6e91a
AS		 1666 brcmf_err("Invalid algorithm (%d)\n",
1667 sme->crypto.ciphers_pairwise[0]);
f09d0c02
HM		 1668 return -EINVAL;
1669 }
1670 /* Set the new key/index */
16886735
AS		 1671 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1672 key.len, key.index, key.algo);
1673 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
118eb304 1674 err = send_key_to_dongle(netdev_priv(ndev), &key);
f09d0c02
HM		 1675 if (err)
1676 return err;
1677
1678 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
16886735 1679 brcmf_dbg(CONN, "set auth_type to shared key\n");
f09d0c02 1680 val = WL_AUTH_SHARED_KEY; /* shared key */
ac24be6f 1681 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
f09d0c02 1682 if (err)
57d6e91a 1683 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1684 }
1685 return err;
1686}
1687
cbb1ec94
AS		 1688static
1689enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1690 enum nl80211_auth_type type)
1691{
c08437b4
AS		 1692 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1693 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1694 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1695 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
cbb1ec94
AS		 1696 }
1697 return type;
1698}
1699
5b435de0
AS		 1700static s32
1701brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
cbb1ec94 1702 struct cfg80211_connect_params *sme)
5b435de0 1703{
27a68fe3 1704 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1705 struct brcmf_if *ifp = netdev_priv(ndev);
1706 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1707 struct ieee80211_channel *chan = sme->channel;
1708 struct brcmf_join_params join_params;
1709 size_t join_params_size;
4b5800fe
JB		 1710 const struct brcmf_tlv *rsn_ie;
1711 const struct brcmf_vs_tlv *wpa_ie;
1712 const void *ie;
89286dc9
HM		 1713 u32 ie_len;
1714 struct brcmf_ext_join_params_le *ext_join_params;
1701261d 1715 u16 chanspec;
5b435de0
AS		 1716 s32 err = 0;
1717
d96b801f 1718 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1719 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1720 return -EIO;
1721
1722 if (!sme->ssid) {
57d6e91a 1723 brcmf_err("Invalid ssid\n");
5b435de0
AS		 1724 return -EOPNOTSUPP;
1725 }
1726
89286dc9
HM		 1727 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1728 /* A normal (non P2P) connection request setup. */
1729 ie = NULL;
1730 ie_len = 0;
1731 /* find the WPA_IE */
1732 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1733 if (wpa_ie) {
1734 ie = wpa_ie;
1735 ie_len = wpa_ie->len + TLV_HDR_LEN;
1736 } else {
1737 /* find the RSN_IE */
4b5800fe
JB		 1738 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1739 sme->ie_len,
89286dc9
HM		 1740 WLAN_EID_RSN);
1741 if (rsn_ie) {
1742 ie = rsn_ie;
1743 ie_len = rsn_ie->len + TLV_HDR_LEN;
1744 }
1745 }
1746 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1747 }
1748
1749 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1750 sme->ie, sme->ie_len);
1751 if (err)
1752 brcmf_err("Set Assoc REQ IE Failed\n");
1753 else
1754 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1755
c1179033 1756 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1757
1758 if (chan) {
27a68fe3 1759 cfg->channel =
5b435de0 1760 ieee80211_frequency_to_channel(chan->center_freq);
83cf17aa 1761 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1701261d
HM		 1762 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1763 cfg->channel, chan->center_freq, chanspec);
1764 } else {
27a68fe3 1765 cfg->channel = 0;
1701261d
HM		 1766 chanspec = 0;
1767 }
5b435de0 1768
647c9ae0 1769 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
5b435de0
AS		 1770
1771 err = brcmf_set_wpa_version(ndev, sme);
1772 if (err) {
57d6e91a 1773 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
5b435de0
AS		 1774 goto done;
1775 }
1776
cbb1ec94 1777 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
5b435de0
AS		 1778 err = brcmf_set_auth_type(ndev, sme);
1779 if (err) {
57d6e91a 1780 brcmf_err("wl_set_auth_type failed (%d)\n", err);
5b435de0
AS		 1781 goto done;
1782 }
1783
87b7e9e2 1784 err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
5b435de0 1785 if (err) {
57d6e91a 1786 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
5b435de0
AS		 1787 goto done;
1788 }
1789
1790 err = brcmf_set_key_mgmt(ndev, sme);
1791 if (err) {
57d6e91a 1792 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
5b435de0
AS		 1793 goto done;
1794 }
1795
f09d0c02 1796 err = brcmf_set_sharedkey(ndev, sme);
5b435de0 1797 if (err) {
57d6e91a 1798 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
5b435de0
AS		 1799 goto done;
1800 }
1801
89286dc9
HM		 1802 profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID),
1803 (u32)sme->ssid_len);
1804 memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
1805 if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
1806 profile->ssid.SSID[profile->ssid.SSID_len] = 0;
1807 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID,
1808 profile->ssid.SSID_len);
1809 }
1810
1811 /* Join with specific BSSID and cached SSID
1812 * If SSID is zero join based on BSSID only
1813 */
1814 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1815 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1816 if (cfg->channel)
1817 join_params_size += sizeof(u16);
1818 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1819 if (ext_join_params == NULL) {
1820 err = -ENOMEM;
1821 goto done;
1822 }
1823 ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1824 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid,
1825 profile->ssid.SSID_len);
63dd99e6 1826
89286dc9
HM		 1827 /* Set up join scan parameters */
1828 ext_join_params->scan_le.scan_type = -1;
89286dc9
HM		 1829 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1830
1831 if (sme->bssid)
1832 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1833 else
1834 memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN);
1835
1836 if (cfg->channel) {
1837 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
1838
1839 ext_join_params->assoc_le.chanspec_list[0] =
1840 cpu_to_le16(chanspec);
63dd99e6
HM		 1841 /* Increase dwell time to receive probe response or detect
1842 * beacon from target AP at a noisy air only during connect
1843 * command.
1844 */
1845 ext_join_params->scan_le.active_time =
1846 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
1847 ext_join_params->scan_le.passive_time =
1848 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
1849 /* To sync with presence period of VSDB GO send probe request
1850 * more frequently. Probe request will be stopped when it gets
1851 * probe response from target AP/GO.
1852 */
1853 ext_join_params->scan_le.nprobes =
1854 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
1855 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
1856 } else {
1857 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
1858 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
1859 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
89286dc9
HM		 1860 }
1861
1862 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
1863 join_params_size);
1864 kfree(ext_join_params);
1865 if (!err)
1866 /* This is it. join command worked, we are done */
1867 goto done;
1868
1869 /* join command failed, fallback to set ssid */
5b435de0
AS		 1870 memset(&join_params, 0, sizeof(join_params));
1871 join_params_size = sizeof(join_params.ssid_le);
1872
6c8c4f72 1873 memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
6c8c4f72 1874 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1875
89286dc9
HM		 1876 if (sme->bssid)
1877 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
1878 else
1879 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
5b435de0 1880
1701261d
HM		 1881 if (cfg->channel) {
1882 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
1883 join_params.params_le.chanspec_num = cpu_to_le32(1);
1884 join_params_size += sizeof(join_params.params_le);
1885 }
c1179033 1886 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1887 &join_params, join_params_size);
5b435de0 1888 if (err)
89286dc9 1889 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1890
1891done:
1892 if (err)
c1179033 1893 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1894 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1895 return err;
1896}
1897
1898static s32
1899brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1900 u16 reason_code)
1901{
0abb5f21
AS		 1902 struct brcmf_if *ifp = netdev_priv(ndev);
1903 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1904 struct brcmf_scb_val_le scbval;
1905 s32 err = 0;
1906
d96b801f 1907 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
ce81e317 1908 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1909 return -EIO;
1910
c1179033 1911 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
4f3fff14 1912 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
43dffbc6 1913 cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL);
5b435de0 1914
06bb123e 1915 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
5b435de0 1916 scbval.val = cpu_to_le32(reason_code);
c1179033 1917 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
ac24be6f 1918 &scbval, sizeof(scbval));
5b435de0 1919 if (err)
57d6e91a 1920 brcmf_err("error (%d)\n", err);
5b435de0 1921
d96b801f 1922 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1923 return err;
1924}
1925
1926static s32
c8442118 1927brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
d3f31134 1928 enum nl80211_tx_power_setting type, s32 mbm)
5b435de0
AS		 1929{
1930
27a68fe3 1931 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1932 struct net_device *ndev = cfg_to_ndev(cfg);
1933 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1934 u16 txpwrmw;
1935 s32 err = 0;
1936 s32 disable = 0;
d3f31134 1937 s32 dbm = MBM_TO_DBM(mbm);
5b435de0 1938
d96b801f 1939 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1940 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1941 return -EIO;
1942
1943 switch (type) {
1944 case NL80211_TX_POWER_AUTOMATIC:
1945 break;
1946 case NL80211_TX_POWER_LIMITED:
5b435de0
AS		 1947 case NL80211_TX_POWER_FIXED:
1948 if (dbm < 0) {
57d6e91a 1949 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
5b435de0
AS		 1950 err = -EINVAL;
1951 goto done;
1952 }
1953 break;
1954 }
1955 /* Make sure radio is off or on as far as software is concerned */
1956 disable = WL_RADIO_SW_DISABLE << 16;
ac24be6f 1957 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
5b435de0 1958 if (err)
57d6e91a 1959 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
5b435de0
AS		 1960
1961 if (dbm > 0xffff)
1962 txpwrmw = 0xffff;
1963 else
1964 txpwrmw = (u16) dbm;
ac24be6f
AS		 1965 err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
1966 (s32)brcmf_mw_to_qdbm(txpwrmw));
5b435de0 1967 if (err)
57d6e91a 1968 brcmf_err("qtxpower error (%d)\n", err);
27a68fe3 1969 cfg->conf->tx_power = dbm;
5b435de0
AS		 1970
1971done:
d96b801f 1972 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1973 return err;
1974}
1975
c8442118
JB		 1976static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy,
1977 struct wireless_dev *wdev,
1978 s32 *dbm)
5b435de0 1979{
27a68fe3 1980 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 1981 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5b435de0
AS		 1982 s32 txpwrdbm;
1983 u8 result;
1984 s32 err = 0;
1985
d96b801f 1986 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1987 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1988 return -EIO;
1989
0abb5f21 1990 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
5b435de0 1991 if (err) {
57d6e91a 1992 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1993 goto done;
1994 }
1995
1996 result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
ef6ac17a 1997 *dbm = (s32) brcmf_qdbm_to_mw(result);
5b435de0
AS		 1998
1999done:
d96b801f 2000 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2001 return err;
2002}
2003
2004static s32
2005brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
2006 u8 key_idx, bool unicast, bool multicast)
2007{
0abb5f21 2008 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2009 u32 index;
2010 u32 wsec;
2011 s32 err = 0;
2012
d96b801f 2013 brcmf_dbg(TRACE, "Enter\n");
16886735 2014 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2015 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2016 return -EIO;
2017
0abb5f21 2018 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2019 if (err) {
57d6e91a 2020 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2021 goto done;
2022 }
2023
2024 if (wsec & WEP_ENABLED) {
2025 /* Just select a new current key */
2026 index = key_idx;
0abb5f21 2027 err = brcmf_fil_cmd_int_set(ifp,
ac24be6f 2028 BRCMF_C_SET_KEY_PRIMARY, index);
5b435de0 2029 if (err)
57d6e91a 2030 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2031 }
2032done:
d96b801f 2033 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2034 return err;
2035}
2036
2037static s32
2038brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
2039 u8 key_idx, const u8 *mac_addr, struct key_params *params)
2040{
992f6068 2041 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2042 struct brcmf_wsec_key key;
5b435de0 2043 s32 err = 0;
992f6068 2044 u8 keybuf[8];
5b435de0
AS		 2045
2046 memset(&key, 0, sizeof(key));
2047 key.index = (u32) key_idx;
2048 /* Instead of bcast for ea address for default wep keys,
2049 driver needs it to be Null */
2050 if (!is_multicast_ether_addr(mac_addr))
2051 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
2052 key.len = (u32) params->key_len;
2053 /* check for key index change */
2054 if (key.len == 0) {
2055 /* key delete */
118eb304 2056 err = send_key_to_dongle(ifp, &key);
5b435de0 2057 if (err)
57d6e91a 2058 brcmf_err("key delete error (%d)\n", err);
5b435de0
AS		 2059 } else {
2060 if (key.len > sizeof(key.data)) {
57d6e91a 2061 brcmf_err("Invalid key length (%d)\n", key.len);
5b435de0
AS		 2062 return -EINVAL;
2063 }
2064
16886735 2065 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
5b435de0
AS		 2066 memcpy(key.data, params->key, key.len);
2067
967fe2c8 2068 if (!brcmf_is_apmode(ifp->vif) &&
992f6068
HM		 2069 (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
2070 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
5b435de0
AS		 2071 memcpy(keybuf, &key.data[24], sizeof(keybuf));
2072 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
2073 memcpy(&key.data[16], keybuf, sizeof(keybuf));
2074 }
2075
2076 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
2077 if (params->seq && params->seq_len == 6) {
2078 /* rx iv */
2079 u8 *ivptr;
2080 ivptr = (u8 *) params->seq;
2081 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
2082 (ivptr[3] << 8) | ivptr[2];
2083 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
2084 key.iv_initialized = true;
2085 }
2086
2087 switch (params->cipher) {
2088 case WLAN_CIPHER_SUITE_WEP40:
2089 key.algo = CRYPTO_ALGO_WEP1;
16886735 2090 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2091 break;
2092 case WLAN_CIPHER_SUITE_WEP104:
2093 key.algo = CRYPTO_ALGO_WEP128;
16886735 2094 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2095 break;
2096 case WLAN_CIPHER_SUITE_TKIP:
2097 key.algo = CRYPTO_ALGO_TKIP;
16886735 2098 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2099 break;
2100 case WLAN_CIPHER_SUITE_AES_CMAC:
2101 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2102 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2103 break;
2104 case WLAN_CIPHER_SUITE_CCMP:
2105 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2106 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2107 break;
2108 default:
57d6e91a 2109 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2110 return -EINVAL;
2111 }
118eb304 2112 err = send_key_to_dongle(ifp, &key);
f09d0c02 2113 if (err)
57d6e91a 2114 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 2115 }
2116 return err;
2117}
2118
2119static s32
2120brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2121 u8 key_idx, bool pairwise, const u8 *mac_addr,
2122 struct key_params *params)
2123{
0abb5f21 2124 struct brcmf_if *ifp = netdev_priv(ndev);
118eb304 2125 struct brcmf_wsec_key *key;
5b435de0
AS		 2126 s32 val;
2127 s32 wsec;
2128 s32 err = 0;
2129 u8 keybuf[8];
2130
d96b801f 2131 brcmf_dbg(TRACE, "Enter\n");
16886735 2132 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2133 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2134 return -EIO;
2135
118eb304
HM		 2136 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2137 /* we ignore this key index in this case */
2138 brcmf_err("invalid key index (%d)\n", key_idx);
2139 return -EINVAL;
2140 }
2141
787eb033
DK		 2142 if (mac_addr &&
2143 (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2144 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
d96b801f 2145 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2146 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
2147 }
5b435de0 2148
118eb304
HM		 2149 key = &ifp->vif->profile.key[key_idx];
2150 memset(key, 0, sizeof(*key));
5b435de0 2151
118eb304
HM		 2152 if (params->key_len > sizeof(key->data)) {
2153 brcmf_err("Too long key length (%u)\n", params->key_len);
5b435de0
AS		 2154 err = -EINVAL;
2155 goto done;
2156 }
118eb304
HM		 2157 key->len = params->key_len;
2158 key->index = key_idx;
5b435de0 2159
118eb304
HM		 2160 memcpy(key->data, params->key, key->len);
2161
2162 key->flags = BRCMF_PRIMARY_KEY;
5b435de0
AS		 2163 switch (params->cipher) {
2164 case WLAN_CIPHER_SUITE_WEP40:
118eb304 2165 key->algo = CRYPTO_ALGO_WEP1;
f09d0c02 2166 val = WEP_ENABLED;
16886735 2167 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2168 break;
2169 case WLAN_CIPHER_SUITE_WEP104:
118eb304 2170 key->algo = CRYPTO_ALGO_WEP128;
f09d0c02 2171 val = WEP_ENABLED;
16886735 2172 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2173 break;
2174 case WLAN_CIPHER_SUITE_TKIP:
967fe2c8 2175 if (!brcmf_is_apmode(ifp->vif)) {
992f6068 2176 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
118eb304
HM		 2177 memcpy(keybuf, &key->data[24], sizeof(keybuf));
2178 memcpy(&key->data[24], &key->data[16], sizeof(keybuf));
2179 memcpy(&key->data[16], keybuf, sizeof(keybuf));
1a873342 2180 }
118eb304 2181 key->algo = CRYPTO_ALGO_TKIP;
f09d0c02 2182 val = TKIP_ENABLED;
16886735 2183 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2184 break;
2185 case WLAN_CIPHER_SUITE_AES_CMAC:
118eb304 2186 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2187 val = AES_ENABLED;
16886735 2188 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2189 break;
2190 case WLAN_CIPHER_SUITE_CCMP:
118eb304 2191 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2192 val = AES_ENABLED;
16886735 2193 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2194 break;
2195 default:
57d6e91a 2196 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2197 err = -EINVAL;
2198 goto done;
2199 }
2200
118eb304 2201 err = send_key_to_dongle(ifp, key);
5b435de0
AS		 2202 if (err)
2203 goto done;
2204
0abb5f21 2205 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2206 if (err) {
57d6e91a 2207 brcmf_err("get wsec error (%d)\n", err);
5b435de0
AS		 2208 goto done;
2209 }
5b435de0 2210 wsec |= val;
0abb5f21 2211 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
5b435de0 2212 if (err) {
57d6e91a 2213 brcmf_err("set wsec error (%d)\n", err);
5b435de0
AS		 2214 goto done;
2215 }
2216
5b435de0 2217done:
d96b801f 2218 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2219 return err;
2220}
2221
2222static s32
2223brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2224 u8 key_idx, bool pairwise, const u8 *mac_addr)
2225{
0abb5f21 2226 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2227 struct brcmf_wsec_key key;
2228 s32 err = 0;
5b435de0 2229
d96b801f 2230 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2231 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2232 return -EIO;
2233
118eb304 2234 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
256c374f 2235 /* we ignore this key index in this case */
57d6e91a 2236 brcmf_err("invalid key index (%d)\n", key_idx);
256c374f
HM		 2237 return -EINVAL;
2238 }
2239
5b435de0
AS		 2240 memset(&key, 0, sizeof(key));
2241
2242 key.index = (u32) key_idx;
2243 key.flags = BRCMF_PRIMARY_KEY;
2244 key.algo = CRYPTO_ALGO_OFF;
2245
16886735 2246 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
5b435de0
AS		 2247
2248 /* Set the new key/index */
118eb304 2249 err = send_key_to_dongle(ifp, &key);
5b435de0 2250
d96b801f 2251 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2252 return err;
2253}
2254
2255static s32
2256brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
2257 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
2258 void (*callback) (void *cookie, struct key_params * params))
2259{
2260 struct key_params params;
0abb5f21
AS		 2261 struct brcmf_if *ifp = netdev_priv(ndev);
2262 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2263 struct brcmf_cfg80211_security *sec;
2264 s32 wsec;
2265 s32 err = 0;
2266
d96b801f 2267 brcmf_dbg(TRACE, "Enter\n");
16886735 2268 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2269 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2270 return -EIO;
2271
2272 memset(&params, 0, sizeof(params));
2273
0abb5f21 2274 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2275 if (err) {
57d6e91a 2276 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2277 /* Ignore this error, may happen during DISASSOC */
2278 err = -EAGAIN;
2279 goto done;
2280 }
c5bf53a8 2281 if (wsec & WEP_ENABLED) {
06bb123e 2282 sec = &profile->sec;
5b435de0
AS		 2283 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2284 params.cipher = WLAN_CIPHER_SUITE_WEP40;
16886735 2285 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2286 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2287 params.cipher = WLAN_CIPHER_SUITE_WEP104;
16886735 2288 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0 2289 }
c5bf53a8 2290 } else if (wsec & TKIP_ENABLED) {
5b435de0 2291 params.cipher = WLAN_CIPHER_SUITE_TKIP;
16886735 2292 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
c5bf53a8 2293 } else if (wsec & AES_ENABLED) {
5b435de0 2294 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
16886735 2295 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
c5bf53a8 2296 } else {
57d6e91a 2297 brcmf_err("Invalid algo (0x%x)\n", wsec);
5b435de0
AS		 2298 err = -EINVAL;
2299 goto done;
2300 }
2301 callback(cookie, &params);
2302
2303done:
d96b801f 2304 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2305 return err;
2306}
2307
2308static s32
2309brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2310 struct net_device *ndev, u8 key_idx)
2311{
647c9ae0 2312 brcmf_dbg(INFO, "Not supported\n");
5b435de0
AS		 2313
2314 return -EOPNOTSUPP;
2315}
2316
118eb304
HM		 2317static void
2318brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp)
2319{
2320 s32 err;
2321 u8 key_idx;
2322 struct brcmf_wsec_key *key;
2323 s32 wsec;
2324
2325 for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) {
2326 key = &ifp->vif->profile.key[key_idx];
2327 if ((key->algo == CRYPTO_ALGO_WEP1) ||
2328 (key->algo == CRYPTO_ALGO_WEP128))
2329 break;
2330 }
2331 if (key_idx == BRCMF_MAX_DEFAULT_KEYS)
2332 return;
2333
2334 err = send_key_to_dongle(ifp, key);
2335 if (err) {
2336 brcmf_err("Setting WEP key failed (%d)\n", err);
2337 return;
2338 }
2339 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2340 if (err) {
2341 brcmf_err("get wsec error (%d)\n", err);
2342 return;
2343 }
2344 wsec |= WEP_ENABLED;
2345 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2346 if (err)
2347 brcmf_err("set wsec error (%d)\n", err);
2348}
2349
5b435de0
AS		 2350static s32
2351brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
3b3a0162 2352 const u8 *mac, struct station_info *sinfo)
5b435de0 2353{
0abb5f21
AS		 2354 struct brcmf_if *ifp = netdev_priv(ndev);
2355 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2356 struct brcmf_scb_val_le scb_val;
2357 int rssi;
2358 s32 rate;
2359 s32 err = 0;
06bb123e 2360 u8 *bssid = profile->bssid;
81f5dcb8 2361 struct brcmf_sta_info_le sta_info_le;
9ee66d1b
HM		 2362 u32 beacon_period;
2363 u32 dtim_period;
5b435de0 2364
d96b801f 2365 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
ce81e317 2366 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2367 return -EIO;
2368
967fe2c8 2369 if (brcmf_is_apmode(ifp->vif)) {
81f5dcb8 2370 memcpy(&sta_info_le, mac, ETH_ALEN);
0abb5f21 2371 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
ac24be6f 2372 &sta_info_le,
81f5dcb8 2373 sizeof(sta_info_le));
1a873342 2374 if (err < 0) {
57d6e91a 2375 brcmf_err("GET STA INFO failed, %d\n", err);
1a873342
HM		 2376 goto done;
2377 }
319090bf 2378 sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME);
81f5dcb8
HM		 2379 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2380 if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
319090bf 2381 sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME);
81f5dcb8 2382 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
1a873342 2383 }
d96b801f
AS		 2384 brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
2385 sinfo->inactive_time, sinfo->connected_time);
967fe2c8 2386 } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) {
1a873342 2387 if (memcmp(mac, bssid, ETH_ALEN)) {
57d6e91a
AS		 2388 brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
2389 mac, bssid);
1a873342
HM		 2390 err = -ENOENT;
2391 goto done;
2392 }
2393 /* Report the current tx rate */
89286dc9 2394 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
7f6c562d 2395 if (err) {
57d6e91a 2396 brcmf_err("Could not get rate (%d)\n", err);
1a873342 2397 goto done;
7f6c562d 2398 } else {
319090bf 2399 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
1a873342 2400 sinfo->txrate.legacy = rate * 5;
16886735 2401 brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);
7f6c562d 2402 }
5b435de0 2403
c1179033
AS		 2404 if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
2405 &ifp->vif->sme_state)) {
1a873342 2406 memset(&scb_val, 0, sizeof(scb_val));
c1179033
AS		 2407 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
2408 &scb_val, sizeof(scb_val));
1a873342 2409 if (err) {
57d6e91a 2410 brcmf_err("Could not get rssi (%d)\n", err);
1a873342
HM		 2411 goto done;
2412 } else {
2413 rssi = le32_to_cpu(scb_val.val);
319090bf 2414 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
1a873342 2415 sinfo->signal = rssi;
16886735 2416 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
1a873342 2417 }
9ee66d1b
HM		 2418 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD,
2419 &beacon_period);
2420 if (err) {
2421 brcmf_err("Could not get beacon period (%d)\n",
2422 err);
2423 goto done;
2424 } else {
2425 sinfo->bss_param.beacon_interval =
2426 beacon_period;
2427 brcmf_dbg(CONN, "Beacon peroid %d\n",
2428 beacon_period);
2429 }
2430 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD,
2431 &dtim_period);
2432 if (err) {
2433 brcmf_err("Could not get DTIM period (%d)\n",
2434 err);
2435 goto done;
2436 } else {
2437 sinfo->bss_param.dtim_period = dtim_period;
2438 brcmf_dbg(CONN, "DTIM peroid %d\n",
2439 dtim_period);
2440 }
319090bf 2441 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1a873342
HM		 2442 }
2443 } else
2444 err = -EPERM;
5b435de0 2445done:
d96b801f 2446 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2447 return err;
2448}
2449
2450static s32
2451brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2452 bool enabled, s32 timeout)
2453{
2454 s32 pm;
2455 s32 err = 0;
27a68fe3 2456 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
c1179033 2457 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2458
d96b801f 2459 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2460
2461 /*
2462 * Powersave enable/disable request is coming from the
2463 * cfg80211 even before the interface is up. In that
2464 * scenario, driver will be storing the power save
27a68fe3 2465 * preference in cfg struct to apply this to
5b435de0
AS		 2466 * FW later while initializing the dongle
2467 */
27a68fe3 2468 cfg->pwr_save = enabled;
ce81e317 2469 if (!check_vif_up(ifp->vif)) {
5b435de0 2470
647c9ae0 2471 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
5b435de0
AS		 2472 goto done;
2473 }
2474
2475 pm = enabled ? PM_FAST : PM_OFF;
102fd0d6
HM		 2476 /* Do not enable the power save after assoc if it is a p2p interface */
2477 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2478 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2479 pm = PM_OFF;
2480 }
647c9ae0 2481 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
5b435de0 2482
c1179033 2483 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
5b435de0
AS		 2484 if (err) {
2485 if (err == -ENODEV)
57d6e91a 2486 brcmf_err("net_device is not ready yet\n");
5b435de0 2487 else
57d6e91a 2488 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2489 }
2490done:
d96b801f 2491 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2492 return err;
2493}
2494
27a68fe3 2495static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
d34bf64f 2496 struct brcmf_bss_info_le *bi)
5b435de0 2497{
27a68fe3 2498 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0
AS		 2499 struct ieee80211_channel *notify_channel;
2500 struct cfg80211_bss *bss;
2501 struct ieee80211_supported_band *band;
83cf17aa 2502 struct brcmu_chan ch;
5b435de0
AS		 2503 u16 channel;
2504 u32 freq;
5b435de0
AS		 2505 u16 notify_capability;
2506 u16 notify_interval;
2507 u8 *notify_ie;
2508 size_t notify_ielen;
2509 s32 notify_signal;
2510
2511 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
57d6e91a 2512 brcmf_err("Bss info is larger than buffer. Discarding\n");
5b435de0
AS		 2513 return 0;
2514 }
2515
83cf17aa
FL		 2516 if (!bi->ctl_ch) {
2517 ch.chspec = le16_to_cpu(bi->chanspec);
2518 cfg->d11inf.decchspec(&ch);
2519 bi->ctl_ch = ch.chnum;
2520 }
2521 channel = bi->ctl_ch;
5b435de0
AS		 2522
2523 if (channel <= CH_MAX_2G_CHANNEL)
2524 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2525 else
2526 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2527
2528 freq = ieee80211_channel_to_frequency(channel, band->band);
2529 notify_channel = ieee80211_get_channel(wiphy, freq);
2530
5b435de0
AS		 2531 notify_capability = le16_to_cpu(bi->capability);
2532 notify_interval = le16_to_cpu(bi->beacon_period);
2533 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2534 notify_ielen = le32_to_cpu(bi->ie_length);
2535 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2536
16886735
AS		 2537 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2538 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2539 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2540 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2541 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
5b435de0 2542
5bc8c1f2
JB		 2543 bss = cfg80211_inform_bss(wiphy, notify_channel,
2544 CFG80211_BSS_FTYPE_UNKNOWN,
2545 (const u8 *)bi->BSSID,
2546 0, notify_capability,
2547 notify_interval, notify_ie,
2548 notify_ielen, notify_signal,
2549 GFP_KERNEL);
5b435de0 2550
e78946e1
FL		 2551 if (!bss)
2552 return -ENOMEM;
2553
5b112d3d 2554 cfg80211_put_bss(wiphy, bss);
5b435de0 2555
12f32370 2556 return 0;
5b435de0
AS		 2557}
2558
6f09be0a
RV		 2559static struct brcmf_bss_info_le *
2560next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2561{
2562 if (bss == NULL)
2563 return list->bss_info_le;
2564 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2565 le32_to_cpu(bss->length));
2566}
2567
27a68fe3 2568static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 2569{
2570 struct brcmf_scan_results *bss_list;
d34bf64f 2571 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
5b435de0
AS		 2572 s32 err = 0;
2573 int i;
2574
ef8596e1 2575 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
0ecd8164
AS		 2576 if (bss_list->count != 0 &&
2577 bss_list->version != BRCMF_BSS_INFO_VERSION) {
57d6e91a
AS		 2578 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2579 bss_list->version);
5b435de0
AS		 2580 return -EOPNOTSUPP;
2581 }
4e8a008e 2582 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
f0799895 2583 for (i = 0; i < bss_list->count; i++) {
6f09be0a 2584 bi = next_bss_le(bss_list, bi);
27a68fe3 2585 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2586 if (err)
2587 break;
2588 }
2589 return err;
2590}
2591
27a68fe3 2592static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 2593 struct net_device *ndev, const u8 *bssid)
2594{
27a68fe3 2595 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0 2596 struct ieee80211_channel *notify_channel;
d34bf64f 2597 struct brcmf_bss_info_le *bi = NULL;
5b435de0 2598 struct ieee80211_supported_band *band;
e78946e1 2599 struct cfg80211_bss *bss;
83cf17aa 2600 struct brcmu_chan ch;
5b435de0
AS		 2601 u8 *buf = NULL;
2602 s32 err = 0;
5b435de0 2603 u32 freq;
5b435de0
AS		 2604 u16 notify_capability;
2605 u16 notify_interval;
2606 u8 *notify_ie;
2607 size_t notify_ielen;
2608 s32 notify_signal;
2609
d96b801f 2610 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2611
2612 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2613 if (buf == NULL) {
2614 err = -ENOMEM;
2615 goto CleanUp;
2616 }
2617
2618 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2619
ac24be6f
AS		 2620 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2621 buf, WL_BSS_INFO_MAX);
5b435de0 2622 if (err) {
57d6e91a 2623 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
5b435de0
AS		 2624 goto CleanUp;
2625 }
2626
d34bf64f 2627 bi = (struct brcmf_bss_info_le *)(buf + 4);
5b435de0 2628
83cf17aa
FL		 2629 ch.chspec = le16_to_cpu(bi->chanspec);
2630 cfg->d11inf.decchspec(&ch);
5b435de0 2631
83cf17aa 2632 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 2633 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2634 else
2635 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2636
83cf17aa 2637 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 2638 notify_channel = ieee80211_get_channel(wiphy, freq);
2639
5b435de0
AS		 2640 notify_capability = le16_to_cpu(bi->capability);
2641 notify_interval = le16_to_cpu(bi->beacon_period);
2642 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2643 notify_ielen = le32_to_cpu(bi->ie_length);
2644 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2645
83cf17aa 2646 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
16886735
AS		 2647 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2648 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2649 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
5b435de0 2650
5bc8c1f2
JB		 2651 bss = cfg80211_inform_bss(wiphy, notify_channel,
2652 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2653 notify_capability, notify_interval,
2654 notify_ie, notify_ielen, notify_signal,
2655 GFP_KERNEL);
5b435de0 2656
e78946e1
FL		 2657 if (!bss) {
2658 err = -ENOMEM;
2659 goto CleanUp;
2660 }
2661
5b112d3d 2662 cfg80211_put_bss(wiphy, bss);
e78946e1 2663
5b435de0
AS		 2664CleanUp:
2665
2666 kfree(buf);
2667
d96b801f 2668 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2669
2670 return err;
2671}
2672
89286dc9
HM		 2673static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2674 struct brcmf_if *ifp)
1a873342 2675{
89286dc9 2676 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
d34bf64f 2677 struct brcmf_bss_info_le *bi;
5b435de0 2678 struct brcmf_ssid *ssid;
4b5800fe 2679 const struct brcmf_tlv *tim;
5b435de0
AS		 2680 u16 beacon_interval;
2681 u8 dtim_period;
2682 size_t ie_len;
2683 u8 *ie;
2684 s32 err = 0;
2685
d96b801f 2686 brcmf_dbg(TRACE, "Enter\n");
128ce3b6 2687 if (brcmf_is_ibssmode(ifp->vif))
5b435de0
AS		 2688 return err;
2689
06bb123e 2690 ssid = &profile->ssid;
5b435de0 2691
27a68fe3 2692 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
ac24be6f 2693 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
81f5dcb8 2694 cfg->extra_buf, WL_EXTRA_BUF_MAX);
5b435de0 2695 if (err) {
57d6e91a 2696 brcmf_err("Could not get bss info %d\n", err);
5b435de0
AS		 2697 goto update_bss_info_out;
2698 }
2699
27a68fe3
AS		 2700 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2701 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2702 if (err)
2703 goto update_bss_info_out;
2704
2705 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2706 ie_len = le32_to_cpu(bi->ie_length);
2707 beacon_interval = le16_to_cpu(bi->beacon_period);
2708
f8e4b412 2709 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
5b435de0
AS		 2710 if (tim)
2711 dtim_period = tim->data[1];
2712 else {
2713 /*
2714 * active scan was done so we could not get dtim
2715 * information out of probe response.
2716 * so we speficially query dtim information to dongle.
2717 */
2718 u32 var;
ac24be6f 2719 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
5b435de0 2720 if (err) {
57d6e91a 2721 brcmf_err("wl dtim_assoc failed (%d)\n", err);
5b435de0
AS		 2722 goto update_bss_info_out;
2723 }
2724 dtim_period = (u8)var;
2725 }
2726
5b435de0 2727update_bss_info_out:
d96b801f 2728 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2729 return err;
2730}
2731
18e2f61d 2732void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
5b435de0 2733{
27a68fe3 2734 struct escan_info *escan = &cfg->escan_info;
5b435de0 2735
c1179033 2736 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
f0799895 2737 if (cfg->scan_request) {
108a4bee 2738 escan->escan_state = WL_ESCAN_STATE_IDLE;
a0f472ac 2739 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
5b435de0 2740 }
c1179033
AS		 2741 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2742 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
5b435de0
AS		 2743}
2744
e756af5b
HM		 2745static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2746{
27a68fe3
AS		 2747 struct brcmf_cfg80211_info *cfg =
2748 container_of(work, struct brcmf_cfg80211_info,
e756af5b
HM		 2749 escan_timeout_work);
2750
ef8596e1 2751 brcmf_inform_bss(cfg);
a0f472ac 2752 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
e756af5b
HM		 2753}
2754
2755static void brcmf_escan_timeout(unsigned long data)
2756{
27a68fe3
AS		 2757 struct brcmf_cfg80211_info *cfg =
2758 (struct brcmf_cfg80211_info *)data;
e756af5b 2759
27a68fe3 2760 if (cfg->scan_request) {
57d6e91a 2761 brcmf_err("timer expired\n");
f0799895 2762 schedule_work(&cfg->escan_timeout_work);
e756af5b
HM		 2763 }
2764}
2765
2766static s32
83cf17aa
FL		 2767brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2768 struct brcmf_bss_info_le *bss,
e756af5b
HM		 2769 struct brcmf_bss_info_le *bss_info_le)
2770{
83cf17aa
FL		 2771 struct brcmu_chan ch_bss, ch_bss_info_le;
2772
2773 ch_bss.chspec = le16_to_cpu(bss->chanspec);
2774 cfg->d11inf.decchspec(&ch_bss);
2775 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
2776 cfg->d11inf.decchspec(&ch_bss_info_le);
2777
e756af5b 2778 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
83cf17aa 2779 ch_bss.band == ch_bss_info_le.band &&
e756af5b
HM		 2780 bss_info_le->SSID_len == bss->SSID_len &&
2781 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
6f5838a4
AS		 2782 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
2783 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
029591f3
AS		 2784 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2785 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2786
e756af5b
HM		 2787 /* preserve max RSSI if the measurements are
2788 * both on-channel or both off-channel
2789 */
029591f3 2790 if (bss_info_rssi > bss_rssi)
e756af5b 2791 bss->RSSI = bss_info_le->RSSI;
6f5838a4
AS		 2792 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
2793 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
e756af5b
HM		 2794 /* preserve the on-channel rssi measurement
2795 * if the new measurement is off channel
2796 */
2797 bss->RSSI = bss_info_le->RSSI;
6f5838a4 2798 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
e756af5b
HM		 2799 }
2800 return 1;
2801 }
2802 return 0;
2803}
2804
2805static s32
1993732e 2806brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
e756af5b
HM		 2807 const struct brcmf_event_msg *e, void *data)
2808{
1993732e 2809 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e756af5b 2810 s32 status;
e756af5b
HM		 2811 struct brcmf_escan_result_le *escan_result_le;
2812 struct brcmf_bss_info_le *bss_info_le;
2813 struct brcmf_bss_info_le *bss = NULL;
2814 u32 bi_length;
2815 struct brcmf_scan_results *list;
2816 u32 i;
97ed15c7 2817 bool aborted;
e756af5b 2818
5c36b99a 2819 status = e->status;
e756af5b 2820
a0f472ac
AS		 2821 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2822 brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
e756af5b
HM		 2823 return -EPERM;
2824 }
2825
2826 if (status == BRCMF_E_STATUS_PARTIAL) {
4e8a008e 2827 brcmf_dbg(SCAN, "ESCAN Partial result\n");
e756af5b
HM		 2828 escan_result_le = (struct brcmf_escan_result_le *) data;
2829 if (!escan_result_le) {
57d6e91a 2830 brcmf_err("Invalid escan result (NULL pointer)\n");
e756af5b
HM		 2831 goto exit;
2832 }
e756af5b 2833 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
57d6e91a
AS		 2834 brcmf_err("Invalid bss_count %d: ignoring\n",
2835 escan_result_le->bss_count);
e756af5b
HM		 2836 goto exit;
2837 }
2838 bss_info_le = &escan_result_le->bss_info_le;
2839
6eda4e2c
HM		 2840 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
2841 goto exit;
2842
2843 if (!cfg->scan_request) {
2844 brcmf_dbg(SCAN, "result without cfg80211 request\n");
2845 goto exit;
2846 }
2847
e756af5b
HM		 2848 bi_length = le32_to_cpu(bss_info_le->length);
2849 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
2850 WL_ESCAN_RESULTS_FIXED_SIZE)) {
57d6e91a
AS		 2851 brcmf_err("Invalid bss_info length %d: ignoring\n",
2852 bi_length);
e756af5b
HM		 2853 goto exit;
2854 }
2855
27a68fe3 2856 if (!(cfg_to_wiphy(cfg)->interface_modes &
e756af5b
HM		 2857 BIT(NL80211_IFTYPE_ADHOC))) {
2858 if (le16_to_cpu(bss_info_le->capability) &
2859 WLAN_CAPABILITY_IBSS) {
57d6e91a 2860 brcmf_err("Ignoring IBSS result\n");
e756af5b
HM		 2861 goto exit;
2862 }
2863 }
2864
2865 list = (struct brcmf_scan_results *)
27a68fe3 2866 cfg->escan_info.escan_buf;
e756af5b 2867 if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
57d6e91a 2868 brcmf_err("Buffer is too small: ignoring\n");
e756af5b
HM		 2869 goto exit;
2870 }
2871
2872 for (i = 0; i < list->count; i++) {
2873 bss = bss ? (struct brcmf_bss_info_le *)
2874 ((unsigned char *)bss +
2875 le32_to_cpu(bss->length)) : list->bss_info_le;
83cf17aa
FL		 2876 if (brcmf_compare_update_same_bss(cfg, bss,
2877 bss_info_le))
e756af5b
HM		 2878 goto exit;
2879 }
27a68fe3 2880 memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
e756af5b
HM		 2881 bss_info_le, bi_length);
2882 list->version = le32_to_cpu(bss_info_le->version);
2883 list->buflen += bi_length;
2884 list->count++;
2885 } else {
27a68fe3 2886 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
6eda4e2c
HM		 2887 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
2888 goto exit;
27a68fe3 2889 if (cfg->scan_request) {
27a68fe3 2890 brcmf_inform_bss(cfg);
97ed15c7 2891 aborted = status != BRCMF_E_STATUS_SUCCESS;
ef8596e1 2892 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
e756af5b 2893 } else
6eda4e2c
HM		 2894 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
2895 status);
e756af5b
HM		 2896 }
2897exit:
12f32370 2898 return 0;
e756af5b
HM		 2899}
2900
27a68fe3 2901static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
e756af5b 2902{
5c36b99a
AS		 2903 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
2904 brcmf_cfg80211_escan_handler);
f0799895
HM		 2905 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2906 /* Init scan_timeout timer */
2907 init_timer(&cfg->escan_timeout);
2908 cfg->escan_timeout.data = (unsigned long) cfg;
2909 cfg->escan_timeout.function = brcmf_escan_timeout;
2910 INIT_WORK(&cfg->escan_timeout_work,
2911 brcmf_cfg80211_escan_timeout_worker);
e756af5b
HM		 2912}
2913
5addc0de 2914static __always_inline void brcmf_delay(u32 ms)
5b435de0
AS		 2915{
2916 if (ms < 1000 / HZ) {
2917 cond_resched();
2918 mdelay(ms);
2919 } else {
2920 msleep(ms);
2921 }
2922}
2923
b9a82f89
HM		 2924static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
2925 u8 *pattern, u32 patternsize, u8 *mask,
2926 u32 packet_offset)
2927{
2928 struct brcmf_fil_wowl_pattern_le *filter;
2929 u32 masksize;
2930 u32 patternoffset;
2931 u8 *buf;
2932 u32 bufsize;
2933 s32 ret;
2934
2935 masksize = (patternsize + 7) / 8;
2936 patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
2937
2938 bufsize = sizeof(*filter) + patternsize + masksize;
2939 buf = kzalloc(bufsize, GFP_KERNEL);
2940 if (!buf)
2941 return -ENOMEM;
2942 filter = (struct brcmf_fil_wowl_pattern_le *)buf;
2943
2944 memcpy(filter->cmd, cmd, 4);
2945 filter->masksize = cpu_to_le32(masksize);
2946 filter->offset = cpu_to_le32(packet_offset);
2947 filter->patternoffset = cpu_to_le32(patternoffset);
2948 filter->patternsize = cpu_to_le32(patternsize);
2949 filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
2950
2951 if ((mask) && (masksize))
2952 memcpy(buf + sizeof(*filter), mask, masksize);
2953 if ((pattern) && (patternsize))
2954 memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
2955
2956 ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
2957
2958 kfree(buf);
2959 return ret;
2960}
2961
5b435de0
AS		 2962static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2963{
4eb3af7c
HM		 2964 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2965 struct net_device *ndev = cfg_to_ndev(cfg);
2966 struct brcmf_if *ifp = netdev_priv(ndev);
2967
d96b801f 2968 brcmf_dbg(TRACE, "Enter\n");
5b435de0 2969
4eb3af7c 2970 if (cfg->wowl_enabled) {
b9a82f89 2971 brcmf_configure_arp_offload(ifp, true);
4eb3af7c
HM		 2972 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
2973 cfg->pre_wowl_pmmode);
4eb3af7c 2974 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
b9a82f89 2975 brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
4eb3af7c
HM		 2976 cfg->wowl_enabled = false;
2977 }
5b435de0
AS		 2978 return 0;
2979}
2980
4eb3af7c
HM		 2981static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
2982 struct brcmf_if *ifp,
2983 struct cfg80211_wowlan *wowl)
2984{
2985 u32 wowl_config;
b9a82f89 2986 u32 i;
4eb3af7c
HM		 2987
2988 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
2989
b9a82f89 2990 brcmf_configure_arp_offload(ifp, false);
4eb3af7c
HM		 2991 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
2992 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
2993
2994 wowl_config = 0;
2995 if (wowl->disconnect)
b9a82f89 2996 wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
4eb3af7c 2997 if (wowl->magic_pkt)
b9a82f89
HM		 2998 wowl_config |= BRCMF_WOWL_MAGIC;
2999 if ((wowl->patterns) && (wowl->n_patterns)) {
3000 wowl_config |= BRCMF_WOWL_NET;
3001 for (i = 0; i < wowl->n_patterns; i++) {
3002 brcmf_config_wowl_pattern(ifp, "add",
3003 (u8 *)wowl->patterns[i].pattern,
3004 wowl->patterns[i].pattern_len,
3005 (u8 *)wowl->patterns[i].mask,
3006 wowl->patterns[i].pkt_offset);
3007 }
3008 }
4eb3af7c
HM		 3009 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
3010 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
3011 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
3012 cfg->wowl_enabled = true;
3013}
3014
5b435de0 3015static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
4eb3af7c 3016 struct cfg80211_wowlan *wowl)
5b435de0 3017{
27a68fe3
AS		 3018 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3019 struct net_device *ndev = cfg_to_ndev(cfg);
4eb3af7c 3020 struct brcmf_if *ifp = netdev_priv(ndev);
7d641072 3021 struct brcmf_cfg80211_vif *vif;
5b435de0 3022
d96b801f 3023 brcmf_dbg(TRACE, "Enter\n");
5b435de0 3024
4eb3af7c 3025 /* if the primary net_device is not READY there is nothing
7d641072 3026 * we can do but pray resume goes smoothly.
5b435de0 3027 */
4eb3af7c 3028 if (!check_vif_up(ifp->vif))
7d641072 3029 goto exit;
5b435de0 3030
7d641072
AS		 3031 /* end any scanning */
3032 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
27a68fe3 3033 brcmf_abort_scanning(cfg);
5b435de0 3034
4eb3af7c
HM		 3035 if (wowl == NULL) {
3036 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
3037 list_for_each_entry(vif, &cfg->vif_list, list) {
3038 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
3039 continue;
3040 /* While going to suspend if associated with AP
3041 * disassociate from AP to save power while system is
3042 * in suspended state
3043 */
3044 brcmf_link_down(vif);
3045 /* Make sure WPA_Supplicant receives all the event
3046 * generated due to DISASSOC call to the fw to keep
3047 * the state fw and WPA_Supplicant state consistent
3048 */
3049 brcmf_delay(500);
3050 }
3051 /* Configure MPC */
3052 brcmf_set_mpc(ifp, 1);
3053
3054 } else {
3055 /* Configure WOWL paramaters */
3056 brcmf_configure_wowl(cfg, ifp, wowl);
3057 }
5b435de0 3058
7d641072 3059exit:
d96b801f 3060 brcmf_dbg(TRACE, "Exit\n");
7d641072
AS		 3061 /* clear any scanning activity */
3062 cfg->scan_status = 0;
5b435de0
AS		 3063 return 0;
3064}
3065
5b435de0
AS		 3066static __used s32
3067brcmf_update_pmklist(struct net_device *ndev,
3068 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
3069{
3070 int i, j;
c15d789e 3071 u32 pmkid_len;
5b435de0 3072
40c8e95a
AS		 3073 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
3074
16886735 3075 brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
40c8e95a 3076 for (i = 0; i < pmkid_len; i++) {
16886735
AS		 3077 brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
3078 &pmk_list->pmkids.pmkid[i].BSSID);
5b435de0 3079 for (j = 0; j < WLAN_PMKID_LEN; j++)
16886735
AS		 3080 brcmf_dbg(CONN, "%02x\n",
3081 pmk_list->pmkids.pmkid[i].PMKID[j]);
5b435de0
AS		 3082 }
3083
3084 if (!err)
ac24be6f
AS		 3085 brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
3086 (char *)pmk_list, sizeof(*pmk_list));
5b435de0
AS		 3087
3088 return err;
3089}
3090
3091static s32
3092brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3093 struct cfg80211_pmksa *pmksa)
3094{
27a68fe3 3095 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 3096 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 3097 struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
5b435de0 3098 s32 err = 0;
c15d789e 3099 u32 pmkid_len, i;
5b435de0 3100
d96b801f 3101 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3102 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3103 return -EIO;
3104
40c8e95a
AS		 3105 pmkid_len = le32_to_cpu(pmkids->npmkid);
3106 for (i = 0; i < pmkid_len; i++)
5b435de0
AS		 3107 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
3108 break;
3109 if (i < WL_NUM_PMKIDS_MAX) {
3110 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
3111 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
40c8e95a
AS		 3112 if (i == pmkid_len) {
3113 pmkid_len++;
3114 pmkids->npmkid = cpu_to_le32(pmkid_len);
3115 }
5b435de0
AS		 3116 } else
3117 err = -EINVAL;
3118
16886735
AS		 3119 brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
3120 pmkids->pmkid[pmkid_len].BSSID);
5b435de0 3121 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 3122 brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
5b435de0 3123
27a68fe3 3124 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 3125
d96b801f 3126 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 3127 return err;
3128}
3129
3130static s32
3131brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3132 struct cfg80211_pmksa *pmksa)
3133{
27a68fe3 3134 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 3135 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 3136 struct pmkid_list pmkid;
3137 s32 err = 0;
c15d789e 3138 u32 pmkid_len, i;
5b435de0 3139
d96b801f 3140 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3141 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3142 return -EIO;
3143
3144 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
3145 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
3146
16886735
AS		 3147 brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
3148 &pmkid.pmkid[0].BSSID);
5b435de0 3149 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 3150 brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
5b435de0 3151
27a68fe3 3152 pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
40c8e95a 3153 for (i = 0; i < pmkid_len; i++)
5b435de0 3154 if (!memcmp
27a68fe3 3155 (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
5b435de0
AS		 3156 ETH_ALEN))
3157 break;
3158
40c8e95a
AS		 3159 if ((pmkid_len > 0)
3160 && (i < pmkid_len)) {
27a68fe3 3161 memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
5b435de0 3162 sizeof(struct pmkid));
40c8e95a 3163 for (; i < (pmkid_len - 1); i++) {
27a68fe3
AS		 3164 memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
3165 &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
5b435de0 3166 ETH_ALEN);
27a68fe3
AS		 3167 memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
3168 &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
5b435de0
AS		 3169 WLAN_PMKID_LEN);
3170 }
27a68fe3 3171 cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
5b435de0
AS		 3172 } else
3173 err = -EINVAL;
3174
27a68fe3 3175 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 3176
d96b801f 3177 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 3178 return err;
3179
3180}
3181
3182static s32
3183brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
3184{
27a68fe3 3185 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 3186 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 3187 s32 err = 0;
3188
d96b801f 3189 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3190 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3191 return -EIO;
3192
27a68fe3
AS		 3193 memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
3194 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 3195
d96b801f 3196 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 3197 return err;
3198
3199}
3200
e5806072
AS		 3201/*
3202 * PFN result doesn't have all the info which are
3203 * required by the supplicant
3204 * (For e.g IEs) Do a target Escan so that sched scan results are reported
3205 * via wl_inform_single_bss in the required format. Escan does require the
3206 * scan request in the form of cfg80211_scan_request. For timebeing, create
3207 * cfg80211_scan_request one out of the received PNO event.
3208 */
3209static s32
1993732e 3210brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
e5806072
AS		 3211 const struct brcmf_event_msg *e, void *data)
3212{
1993732e 3213 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e5806072
AS		 3214 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3215 struct cfg80211_scan_request *request = NULL;
3216 struct cfg80211_ssid *ssid = NULL;
3217 struct ieee80211_channel *channel = NULL;
27a68fe3 3218 struct wiphy *wiphy = cfg_to_wiphy(cfg);
e5806072
AS		 3219 int err = 0;
3220 int channel_req = 0;
3221 int band = 0;
3222 struct brcmf_pno_scanresults_le *pfn_result;
3223 u32 result_count;
3224 u32 status;
3225
4e8a008e 3226 brcmf_dbg(SCAN, "Enter\n");
e5806072 3227
5c36b99a 3228 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
4e8a008e 3229 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
e5806072
AS		 3230 return 0;
3231 }
3232
3233 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3234 result_count = le32_to_cpu(pfn_result->count);
3235 status = le32_to_cpu(pfn_result->status);
3236
3237 /*
3238 * PFN event is limited to fit 512 bytes so we may get
3239 * multiple NET_FOUND events. For now place a warning here.
3240 */
3241 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
4e8a008e 3242 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
e5806072
AS		 3243 if (result_count > 0) {
3244 int i;
3245
3246 request = kzalloc(sizeof(*request), GFP_KERNEL);
58901d18
DC		 3247 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3248 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
e5806072
AS		 3249 if (!request || !ssid || !channel) {
3250 err = -ENOMEM;
3251 goto out_err;
3252 }
3253
3254 request->wiphy = wiphy;
3255 data += sizeof(struct brcmf_pno_scanresults_le);
3256 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3257
3258 for (i = 0; i < result_count; i++) {
3259 netinfo = &netinfo_start[i];
3260 if (!netinfo) {
57d6e91a
AS		 3261 brcmf_err("Invalid netinfo ptr. index: %d\n",
3262 i);
e5806072
AS		 3263 err = -EINVAL;
3264 goto out_err;
3265 }
3266
4e8a008e
AS		 3267 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3268 netinfo->SSID, netinfo->channel);
e5806072
AS		 3269 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3270 ssid[i].ssid_len = netinfo->SSID_len;
3271 request->n_ssids++;
3272
3273 channel_req = netinfo->channel;
3274 if (channel_req <= CH_MAX_2G_CHANNEL)
3275 band = NL80211_BAND_2GHZ;
3276 else
3277 band = NL80211_BAND_5GHZ;
3278 channel[i].center_freq =
3279 ieee80211_channel_to_frequency(channel_req,
3280 band);
3281 channel[i].band = band;
3282 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3283 request->channels[i] = &channel[i];
3284 request->n_channels++;
3285 }
3286
3287 /* assign parsed ssid array */
3288 if (request->n_ssids)
3289 request->ssids = &ssid[0];
3290
c1179033 3291 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
e5806072 3292 /* Abort any on-going scan */
27a68fe3 3293 brcmf_abort_scanning(cfg);
e5806072
AS		 3294 }
3295
c1179033 3296 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2668b0b1 3297 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 3298 err = brcmf_do_escan(cfg, wiphy, ifp, request);
e5806072 3299 if (err) {
c1179033 3300 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e5806072
AS		 3301 goto out_err;
3302 }
27a68fe3
AS		 3303 cfg->sched_escan = true;
3304 cfg->scan_request = request;
e5806072 3305 } else {
57d6e91a 3306 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
e5806072
AS		 3307 goto out_err;
3308 }
3309
3310 kfree(ssid);
3311 kfree(channel);
3312 kfree(request);
3313 return 0;
3314
3315out_err:
3316 kfree(ssid);
3317 kfree(channel);
3318 kfree(request);
3319 cfg80211_sched_scan_stopped(wiphy);
3320 return err;
3321}
3322
e5806072
AS		 3323static int brcmf_dev_pno_clean(struct net_device *ndev)
3324{
e5806072
AS		 3325 int ret;
3326
3327 /* Disable pfn */
ac24be6f 3328 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
e5806072
AS		 3329 if (ret == 0) {
3330 /* clear pfn */
ac24be6f
AS		 3331 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3332 NULL, 0);
e5806072
AS		 3333 }
3334 if (ret < 0)
57d6e91a 3335 brcmf_err("failed code %d\n", ret);
e5806072
AS		 3336
3337 return ret;
3338}
3339
3340static int brcmf_dev_pno_config(struct net_device *ndev)
3341{
3342 struct brcmf_pno_param_le pfn_param;
e5806072
AS		 3343
3344 memset(&pfn_param, 0, sizeof(pfn_param));
3345 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3346
3347 /* set extra pno params */
3348 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3349 pfn_param.repeat = BRCMF_PNO_REPEAT;
3350 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3351
3352 /* set up pno scan fr */
3353 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3354
ac24be6f
AS		 3355 return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
3356 &pfn_param, sizeof(pfn_param));
e5806072
AS		 3357}
3358
3359static int
3360brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3361 struct net_device *ndev,
3362 struct cfg80211_sched_scan_request *request)
3363{
c1179033 3364 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 3365 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
e5806072
AS		 3366 struct brcmf_pno_net_param_le pfn;
3367 int i;
3368 int ret = 0;
3369
dc7bdbf1 3370 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
4e8a008e 3371 request->n_match_sets, request->n_ssids);
c1179033 3372 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 3373 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e5806072
AS		 3374 return -EAGAIN;
3375 }
1687eee2
AS		 3376 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3377 brcmf_err("Scanning suppressed: status (%lu)\n",
3378 cfg->scan_status);
3379 return -EAGAIN;
3380 }
e5806072 3381
dc7bdbf1 3382 if (!request->n_ssids || !request->n_match_sets) {
181f2d17 3383 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
dc7bdbf1 3384 request->n_ssids);
e5806072
AS		 3385 return -EINVAL;
3386 }
3387
3388 if (request->n_ssids > 0) {
3389 for (i = 0; i < request->n_ssids; i++) {
3390 /* Active scan req for ssids */
4e8a008e
AS		 3391 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3392 request->ssids[i].ssid);
e5806072
AS		 3393
3394 /*
3395 * match_set ssids is a supert set of n_ssid list,
3396 * so we need not add these set seperately.
3397 */
3398 }
3399 }
3400
3401 if (request->n_match_sets > 0) {
3402 /* clean up everything */
3403 ret = brcmf_dev_pno_clean(ndev);
3404 if (ret < 0) {
57d6e91a 3405 brcmf_err("failed error=%d\n", ret);
e5806072
AS		 3406 return ret;
3407 }
3408
3409 /* configure pno */
3410 ret = brcmf_dev_pno_config(ndev);
3411 if (ret < 0) {
57d6e91a 3412 brcmf_err("PNO setup failed!! ret=%d\n", ret);
e5806072
AS		 3413 return -EINVAL;
3414 }
3415
3416 /* configure each match set */
3417 for (i = 0; i < request->n_match_sets; i++) {
3418 struct cfg80211_ssid *ssid;
3419 u32 ssid_len;
3420
3421 ssid = &request->match_sets[i].ssid;
3422 ssid_len = ssid->ssid_len;
3423
3424 if (!ssid_len) {
57d6e91a 3425 brcmf_err("skip broadcast ssid\n");
e5806072
AS		 3426 continue;
3427 }
3428 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3429 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3430 pfn.wsec = cpu_to_le32(0);
3431 pfn.infra = cpu_to_le32(1);
3432 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3433 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3434 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
c1179033 3435 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
ac24be6f 3436 sizeof(pfn));
4e8a008e
AS		 3437 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3438 ret == 0 ? "set" : "failed", ssid->ssid);
e5806072
AS		 3439 }
3440 /* Enable the PNO */
c1179033 3441 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
57d6e91a 3442 brcmf_err("PNO enable failed!! ret=%d\n", ret);
e5806072
AS		 3443 return -EINVAL;
3444 }
3445 } else {
3446 return -EINVAL;
3447 }
3448
3449 return 0;
3450}
3451
3452static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3453 struct net_device *ndev)
3454{
27a68fe3 3455 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e5806072 3456
4e8a008e 3457 brcmf_dbg(SCAN, "enter\n");
e5806072 3458 brcmf_dev_pno_clean(ndev);
27a68fe3 3459 if (cfg->sched_escan)
a0f472ac 3460 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
e5806072
AS		 3461 return 0;
3462}
e5806072 3463
1f170110 3464static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
1a873342
HM		 3465{
3466 s32 err;
3467
3468 /* set auth */
ac24be6f 3469 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
1a873342 3470 if (err < 0) {
57d6e91a 3471 brcmf_err("auth error %d\n", err);
1a873342
HM		 3472 return err;
3473 }
3474 /* set wsec */
ac24be6f 3475 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
1a873342 3476 if (err < 0) {
57d6e91a 3477 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3478 return err;
3479 }
3480 /* set upper-layer auth */
ac24be6f 3481 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
1a873342 3482 if (err < 0) {
57d6e91a 3483 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3484 return err;
3485 }
3486
3487 return 0;
3488}
3489
3490static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3491{
3492 if (is_rsn_ie)
3493 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3494
3495 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3496}
3497
3498static s32
a44aa400 3499brcmf_configure_wpaie(struct brcmf_if *ifp,
4b5800fe
JB		 3500 const struct brcmf_vs_tlv *wpa_ie,
3501 bool is_rsn_ie)
1a873342
HM		 3502{
3503 u32 auth = 0; /* d11 open authentication */
3504 u16 count;
3505 s32 err = 0;
3506 s32 len = 0;
3507 u32 i;
3508 u32 wsec;
3509 u32 pval = 0;
3510 u32 gval = 0;
3511 u32 wpa_auth = 0;
3512 u32 offset;
3513 u8 *data;
3514 u16 rsn_cap;
3515 u32 wme_bss_disable;
3516
d96b801f 3517 brcmf_dbg(TRACE, "Enter\n");
1a873342
HM		 3518 if (wpa_ie == NULL)
3519 goto exit;
3520
3521 len = wpa_ie->len + TLV_HDR_LEN;
3522 data = (u8 *)wpa_ie;
619c5a9a 3523 offset = TLV_HDR_LEN;
1a873342
HM		 3524 if (!is_rsn_ie)
3525 offset += VS_IE_FIXED_HDR_LEN;
619c5a9a
HM		 3526 else
3527 offset += WPA_IE_VERSION_LEN;
1a873342
HM		 3528
3529 /* check for multicast cipher suite */
3530 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3531 err = -EINVAL;
57d6e91a 3532 brcmf_err("no multicast cipher suite\n");
1a873342
HM		 3533 goto exit;
3534 }
3535
3536 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3537 err = -EINVAL;
57d6e91a 3538 brcmf_err("ivalid OUI\n");
1a873342
HM		 3539 goto exit;
3540 }
3541 offset += TLV_OUI_LEN;
3542
3543 /* pick up multicast cipher */
3544 switch (data[offset]) {
3545 case WPA_CIPHER_NONE:
3546 gval = 0;
3547 break;
3548 case WPA_CIPHER_WEP_40:
3549 case WPA_CIPHER_WEP_104:
3550 gval = WEP_ENABLED;
3551 break;
3552 case WPA_CIPHER_TKIP:
3553 gval = TKIP_ENABLED;
3554 break;
3555 case WPA_CIPHER_AES_CCM:
3556 gval = AES_ENABLED;
3557 break;
3558 default:
3559 err = -EINVAL;
57d6e91a 3560 brcmf_err("Invalid multi cast cipher info\n");
1a873342
HM		 3561 goto exit;
3562 }
3563
3564 offset++;
3565 /* walk thru unicast cipher list and pick up what we recognize */
3566 count = data[offset] + (data[offset + 1] << 8);
3567 offset += WPA_IE_SUITE_COUNT_LEN;
3568 /* Check for unicast suite(s) */
3569 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3570 err = -EINVAL;
57d6e91a 3571 brcmf_err("no unicast cipher suite\n");
1a873342
HM		 3572 goto exit;
3573 }
3574 for (i = 0; i < count; i++) {
3575 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3576 err = -EINVAL;
57d6e91a 3577 brcmf_err("ivalid OUI\n");
1a873342
HM		 3578 goto exit;
3579 }
3580 offset += TLV_OUI_LEN;
3581 switch (data[offset]) {
3582 case WPA_CIPHER_NONE:
3583 break;
3584 case WPA_CIPHER_WEP_40:
3585 case WPA_CIPHER_WEP_104:
3586 pval |= WEP_ENABLED;
3587 break;
3588 case WPA_CIPHER_TKIP:
3589 pval |= TKIP_ENABLED;
3590 break;
3591 case WPA_CIPHER_AES_CCM:
3592 pval |= AES_ENABLED;
3593 break;
3594 default:
57d6e91a 3595 brcmf_err("Ivalid unicast security info\n");
1a873342
HM		 3596 }
3597 offset++;
3598 }
3599 /* walk thru auth management suite list and pick up what we recognize */
3600 count = data[offset] + (data[offset + 1] << 8);
3601 offset += WPA_IE_SUITE_COUNT_LEN;
3602 /* Check for auth key management suite(s) */
3603 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3604 err = -EINVAL;
57d6e91a 3605 brcmf_err("no auth key mgmt suite\n");
1a873342
HM		 3606 goto exit;
3607 }
3608 for (i = 0; i < count; i++) {
3609 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3610 err = -EINVAL;
57d6e91a 3611 brcmf_err("ivalid OUI\n");
1a873342
HM		 3612 goto exit;
3613 }
3614 offset += TLV_OUI_LEN;
3615 switch (data[offset]) {
3616 case RSN_AKM_NONE:
d96b801f 3617 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
1a873342
HM		 3618 wpa_auth |= WPA_AUTH_NONE;
3619 break;
3620 case RSN_AKM_UNSPECIFIED:
d96b801f 3621 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
1a873342
HM		 3622 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3623 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3624 break;
3625 case RSN_AKM_PSK:
d96b801f 3626 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
1a873342
HM		 3627 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3628 (wpa_auth |= WPA_AUTH_PSK);
3629 break;
3630 default:
57d6e91a 3631 brcmf_err("Ivalid key mgmt info\n");
1a873342
HM		 3632 }
3633 offset++;
3634 }
3635
3636 if (is_rsn_ie) {
3637 wme_bss_disable = 1;
3638 if ((offset + RSN_CAP_LEN) <= len) {
3639 rsn_cap = data[offset] + (data[offset + 1] << 8);
3640 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3641 wme_bss_disable = 0;
3642 }
3643 /* set wme_bss_disable to sync RSN Capabilities */
ac24be6f 3644 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
81f5dcb8 3645 wme_bss_disable);
1a873342 3646 if (err < 0) {
57d6e91a 3647 brcmf_err("wme_bss_disable error %d\n", err);
1a873342
HM		 3648 goto exit;
3649 }
3650 }
3651 /* FOR WPS , set SES_OW_ENABLED */
3652 wsec = (pval | gval | SES_OW_ENABLED);
3653
3654 /* set auth */
ac24be6f 3655 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
1a873342 3656 if (err < 0) {
57d6e91a 3657 brcmf_err("auth error %d\n", err);
1a873342
HM		 3658 goto exit;
3659 }
3660 /* set wsec */
ac24be6f 3661 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
1a873342 3662 if (err < 0) {
57d6e91a 3663 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3664 goto exit;
3665 }
3666 /* set upper-layer auth */
ac24be6f 3667 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
1a873342 3668 if (err < 0) {
57d6e91a 3669 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3670 goto exit;
3671 }
3672
3673exit:
3674 return err;
3675}
3676
3677static s32
3082b9be 3678brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
1a873342
HM		 3679 struct parsed_vndr_ies *vndr_ies)
3680{
1a873342
HM		 3681 struct brcmf_vs_tlv *vndrie;
3682 struct brcmf_tlv *ie;
3683 struct parsed_vndr_ie_info *parsed_info;
3684 s32 remaining_len;
3685
3686 remaining_len = (s32)vndr_ie_len;
3687 memset(vndr_ies, 0, sizeof(*vndr_ies));
3688
3689 ie = (struct brcmf_tlv *)vndr_ie_buf;
3690 while (ie) {
3691 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
3692 goto next;
3693 vndrie = (struct brcmf_vs_tlv *)ie;
3694 /* len should be bigger than OUI length + one */
3695 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
57d6e91a
AS		 3696 brcmf_err("invalid vndr ie. length is too small %d\n",
3697 vndrie->len);
1a873342
HM		 3698 goto next;
3699 }
3700 /* if wpa or wme ie, do not add ie */
3701 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
3702 ((vndrie->oui_type == WPA_OUI_TYPE) ||
3703 (vndrie->oui_type == WME_OUI_TYPE))) {
d96b801f 3704 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
1a873342
HM		 3705 goto next;
3706 }
3707
3708 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
3709
3710 /* save vndr ie information */
3711 parsed_info->ie_ptr = (char *)vndrie;
3712 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
3713 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
3714
3715 vndr_ies->count++;
3716
d96b801f
AS		 3717 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
3718 parsed_info->vndrie.oui[0],
3719 parsed_info->vndrie.oui[1],
3720 parsed_info->vndrie.oui[2],
3721 parsed_info->vndrie.oui_type);
1a873342 3722
9f440b7b 3723 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
1a873342
HM		 3724 break;
3725next:
b41fc3d7
HM		 3726 remaining_len -= (ie->len + TLV_HDR_LEN);
3727 if (remaining_len <= TLV_HDR_LEN)
1a873342
HM		 3728 ie = NULL;
3729 else
b41fc3d7
HM		 3730 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
3731 TLV_HDR_LEN);
1a873342 3732 }
12f32370 3733 return 0;
1a873342
HM		 3734}
3735
3736static u32
3737brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
3738{
3739
3740 __le32 iecount_le;
3741 __le32 pktflag_le;
3742
3743 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
3744 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
3745
3746 iecount_le = cpu_to_le32(1);
3747 memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le));
3748
3749 pktflag_le = cpu_to_le32(pktflag);
3750 memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le));
3751
3752 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
3753
3754 return ie_len + VNDR_IE_HDR_SIZE;
3755}
3756
1332e26e
AS		 3757s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
3758 const u8 *vndr_ie_buf, u32 vndr_ie_len)
1a873342 3759{
1332e26e
AS		 3760 struct brcmf_if *ifp;
3761 struct vif_saved_ie *saved_ie;
1a873342
HM		 3762 s32 err = 0;
3763 u8 *iovar_ie_buf;
3764 u8 *curr_ie_buf;
3765 u8 *mgmt_ie_buf = NULL;
3e4f319d 3766 int mgmt_ie_buf_len;
81118d16 3767 u32 *mgmt_ie_len;
1a873342
HM		 3768 u32 del_add_ie_buf_len = 0;
3769 u32 total_ie_buf_len = 0;
3770 u32 parsed_ie_buf_len = 0;
3771 struct parsed_vndr_ies old_vndr_ies;
3772 struct parsed_vndr_ies new_vndr_ies;
3773 struct parsed_vndr_ie_info *vndrie_info;
3774 s32 i;
3775 u8 *ptr;
3e4f319d 3776 int remained_buf_len;
1a873342 3777
1332e26e
AS		 3778 if (!vif)
3779 return -ENODEV;
3780 ifp = vif->ifp;
3781 saved_ie = &vif->saved_ie;
3782
d96b801f 3783 brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
1a873342
HM		 3784 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3785 if (!iovar_ie_buf)
3786 return -ENOMEM;
3787 curr_ie_buf = iovar_ie_buf;
89286dc9
HM		 3788 switch (pktflag) {
3789 case BRCMF_VNDR_IE_PRBREQ_FLAG:
3790 mgmt_ie_buf = saved_ie->probe_req_ie;
3791 mgmt_ie_len = &saved_ie->probe_req_ie_len;
3792 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
3793 break;
3794 case BRCMF_VNDR_IE_PRBRSP_FLAG:
3795 mgmt_ie_buf = saved_ie->probe_res_ie;
3796 mgmt_ie_len = &saved_ie->probe_res_ie_len;
3797 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
3798 break;
3799 case BRCMF_VNDR_IE_BEACON_FLAG:
3800 mgmt_ie_buf = saved_ie->beacon_ie;
3801 mgmt_ie_len = &saved_ie->beacon_ie_len;
3802 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
3803 break;
3804 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
3805 mgmt_ie_buf = saved_ie->assoc_req_ie;
3806 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
3807 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
3808 break;
3809 default:
3810 err = -EPERM;
3811 brcmf_err("not suitable type\n");
3812 goto exit;
1a873342
HM		 3813 }
3814
3815 if (vndr_ie_len > mgmt_ie_buf_len) {
3816 err = -ENOMEM;
57d6e91a 3817 brcmf_err("extra IE size too big\n");
1a873342
HM		 3818 goto exit;
3819 }
3820
3821 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
3822 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
3823 ptr = curr_ie_buf;
3824 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
3825 for (i = 0; i < new_vndr_ies.count; i++) {
3826 vndrie_info = &new_vndr_ies.ie_info[i];
3827 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
3828 vndrie_info->ie_len);
3829 parsed_ie_buf_len += vndrie_info->ie_len;
3830 }
3831 }
3832
b41fc3d7 3833 if (mgmt_ie_buf && *mgmt_ie_len) {
1a873342
HM		 3834 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
3835 (memcmp(mgmt_ie_buf, curr_ie_buf,
3836 parsed_ie_buf_len) == 0)) {
d96b801f 3837 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
1a873342
HM		 3838 goto exit;
3839 }
3840
3841 /* parse old vndr_ie */
3842 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
3843
3844 /* make a command to delete old ie */
3845 for (i = 0; i < old_vndr_ies.count; i++) {
3846 vndrie_info = &old_vndr_ies.ie_info[i];
3847
d96b801f
AS		 3848 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
3849 vndrie_info->vndrie.id,
3850 vndrie_info->vndrie.len,
3851 vndrie_info->vndrie.oui[0],
3852 vndrie_info->vndrie.oui[1],
3853 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3854
3855 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3856 vndrie_info->ie_ptr,
3857 vndrie_info->ie_len,
3858 "del");
3859 curr_ie_buf += del_add_ie_buf_len;
3860 total_ie_buf_len += del_add_ie_buf_len;
3861 }
3862 }
3863
3864 *mgmt_ie_len = 0;
3865 /* Add if there is any extra IE */
3866 if (mgmt_ie_buf && parsed_ie_buf_len) {
3867 ptr = mgmt_ie_buf;
3868
3869 remained_buf_len = mgmt_ie_buf_len;
3870
3871 /* make a command to add new ie */
3872 for (i = 0; i < new_vndr_ies.count; i++) {
3873 vndrie_info = &new_vndr_ies.ie_info[i];
3874
b41fc3d7
HM		 3875 /* verify remained buf size before copy data */
3876 if (remained_buf_len < (vndrie_info->vndrie.len +
3877 VNDR_IE_VSIE_OFFSET)) {
57d6e91a
AS		 3878 brcmf_err("no space in mgmt_ie_buf: len left %d",
3879 remained_buf_len);
b41fc3d7
HM		 3880 break;
3881 }
3882 remained_buf_len -= (vndrie_info->ie_len +
3883 VNDR_IE_VSIE_OFFSET);
3884
d96b801f
AS		 3885 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
3886 vndrie_info->vndrie.id,
3887 vndrie_info->vndrie.len,
3888 vndrie_info->vndrie.oui[0],
3889 vndrie_info->vndrie.oui[1],
3890 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3891
3892 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3893 vndrie_info->ie_ptr,
3894 vndrie_info->ie_len,
3895 "add");
1a873342
HM		 3896
3897 /* save the parsed IE in wl struct */
3898 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
3899 vndrie_info->ie_len);
3900 *mgmt_ie_len += vndrie_info->ie_len;
3901
3902 curr_ie_buf += del_add_ie_buf_len;
3903 total_ie_buf_len += del_add_ie_buf_len;
3904 }
3905 }
3906 if (total_ie_buf_len) {
c1179033 3907 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
81f5dcb8 3908 total_ie_buf_len);
1a873342 3909 if (err)
57d6e91a 3910 brcmf_err("vndr ie set error : %d\n", err);
1a873342
HM		 3911 }
3912
3913exit:
3914 kfree(iovar_ie_buf);
3915 return err;
3916}
3917
5f4f9f11
AS		 3918s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
3919{
3920 s32 pktflags[] = {
3921 BRCMF_VNDR_IE_PRBREQ_FLAG,
3922 BRCMF_VNDR_IE_PRBRSP_FLAG,
3923 BRCMF_VNDR_IE_BEACON_FLAG
3924 };
3925 int i;
3926
3927 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
3928 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
3929
3930 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
3931 return 0;
3932}
3933
a0f07959
HM		 3934static s32
3935brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
3936 struct cfg80211_beacon_data *beacon)
3937{
3938 s32 err;
3939
3940 /* Set Beacon IEs to FW */
3941 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
3942 beacon->tail, beacon->tail_len);
3943 if (err) {
3944 brcmf_err("Set Beacon IE Failed\n");
3945 return err;
3946 }
3947 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
3948
3949 /* Set Probe Response IEs to FW */
3950 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
3951 beacon->proberesp_ies,
3952 beacon->proberesp_ies_len);
3953 if (err)
3954 brcmf_err("Set Probe Resp IE Failed\n");
3955 else
3956 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
3957
3958 return err;
3959}
3960
1a873342
HM		 3961static s32
3962brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
3963 struct cfg80211_ap_settings *settings)
3964{
3965 s32 ie_offset;
1c9d30cf 3966 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
ac24be6f 3967 struct brcmf_if *ifp = netdev_priv(ndev);
4b5800fe 3968 const struct brcmf_tlv *ssid_ie;
98027769 3969 const struct brcmf_tlv *country_ie;
1a873342 3970 struct brcmf_ssid_le ssid_le;
1a873342 3971 s32 err = -EPERM;
4b5800fe
JB		 3972 const struct brcmf_tlv *rsn_ie;
3973 const struct brcmf_vs_tlv *wpa_ie;
1a873342 3974 struct brcmf_join_params join_params;
a0f07959
HM		 3975 enum nl80211_iftype dev_role;
3976 struct brcmf_fil_bss_enable_le bss_enable;
06c01585 3977 u16 chanspec;
a44aa400 3978 bool mbss;
98027769 3979 int is_11d;
1a873342 3980
06c01585
AS		 3981 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
3982 settings->chandef.chan->hw_value,
3983 settings->chandef.center_freq1, settings->chandef.width,
a9a56878 3984 settings->beacon_interval, settings->dtim_period);
d96b801f
AS		 3985 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
3986 settings->ssid, settings->ssid_len, settings->auth_type,
3987 settings->inactivity_timeout);
426d0a56 3988 dev_role = ifp->vif->wdev.iftype;
a44aa400 3989 mbss = ifp->vif->mbss;
1a873342 3990
98027769
AS		 3991 /* store current 11d setting */
3992 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d);
3993 country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
3994 settings->beacon.tail_len,
3995 WLAN_EID_COUNTRY);
3996 is_11d = country_ie ? 1 : 0;
3997
1a873342
HM		 3998 memset(&ssid_le, 0, sizeof(ssid_le));
3999 if (settings->ssid == NULL || settings->ssid_len == 0) {
4000 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
4001 ssid_ie = brcmf_parse_tlvs(
4002 (u8 *)&settings->beacon.head[ie_offset],
4003 settings->beacon.head_len - ie_offset,
4004 WLAN_EID_SSID);
4005 if (!ssid_ie)
4006 return -EINVAL;
4007
4008 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
4009 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
d96b801f 4010 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
1a873342
HM		 4011 } else {
4012 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
4013 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
4014 }
4015
a44aa400
HM		 4016 if (!mbss) {
4017 brcmf_set_mpc(ifp, 0);
4018 brcmf_configure_arp_offload(ifp, false);
4019 }
1a873342
HM		 4020
4021 /* find the RSN_IE */
4022 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4023 settings->beacon.tail_len, WLAN_EID_RSN);
4024
4025 /* find the WPA_IE */
4026 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
4027 settings->beacon.tail_len);
4028
1a873342 4029 if ((wpa_ie != NULL || rsn_ie != NULL)) {
d96b801f 4030 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
1a873342
HM		 4031 if (wpa_ie != NULL) {
4032 /* WPA IE */
a44aa400 4033 err = brcmf_configure_wpaie(ifp, wpa_ie, false);
1a873342
HM		 4034 if (err < 0)
4035 goto exit;
1a873342 4036 } else {
a44aa400
HM		 4037 struct brcmf_vs_tlv *tmp_ie;
4038
4039 tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
4040
1a873342 4041 /* RSN IE */
a44aa400 4042 err = brcmf_configure_wpaie(ifp, tmp_ie, true);
1a873342
HM		 4043 if (err < 0)
4044 goto exit;
1a873342 4045 }
1a873342 4046 } else {
d96b801f 4047 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
1f170110 4048 brcmf_configure_opensecurity(ifp);
1a873342 4049 }
1a873342 4050
a0f07959 4051 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
1a873342 4052
a44aa400
HM		 4053 if (!mbss) {
4054 chanspec = chandef_to_chanspec(&cfg->d11inf,
4055 &settings->chandef);
4056 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
1a873342 4057 if (err < 0) {
a44aa400
HM		 4058 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4059 chanspec, err);
1a873342
HM		 4060 goto exit;
4061 }
a44aa400 4062
98027769
AS		 4063 if (is_11d != ifp->vif->is_11d) {
4064 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4065 is_11d);
4066 if (err < 0) {
4067 brcmf_err("Regulatory Set Error, %d\n", err);
4068 goto exit;
4069 }
4070 }
a44aa400
HM		 4071 if (settings->beacon_interval) {
4072 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
4073 settings->beacon_interval);
4074 if (err < 0) {
4075 brcmf_err("Beacon Interval Set Error, %d\n",
4076 err);
4077 goto exit;
4078 }
4079 }
4080 if (settings->dtim_period) {
4081 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
4082 settings->dtim_period);
4083 if (err < 0) {
4084 brcmf_err("DTIM Interval Set Error, %d\n", err);
4085 goto exit;
4086 }
1a873342 4087 }
a0f07959 4088
a44aa400
HM		 4089 if (dev_role == NL80211_IFTYPE_AP) {
4090 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4091 if (err < 0) {
4092 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4093 goto exit;
4094 }
4095 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
4096 }
4097
4098 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
a0f07959 4099 if (err < 0) {
a44aa400 4100 brcmf_err("SET INFRA error %d\n", err);
a0f07959
HM		 4101 goto exit;
4102 }
98027769
AS		 4103 } else if (WARN_ON(is_11d != ifp->vif->is_11d)) {
4104 /* Multiple-BSS should use same 11d configuration */
4105 err = -EINVAL;
4106 goto exit;
1a873342 4107 }
a0f07959 4108 if (dev_role == NL80211_IFTYPE_AP) {
a44aa400
HM		 4109 if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
4110 brcmf_fil_iovar_int_set(ifp, "mbss", 1);
4111
a0f07959
HM		 4112 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
4113 if (err < 0) {
4114 brcmf_err("setting AP mode failed %d\n", err);
4115 goto exit;
4116 }
4117 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4118 if (err < 0) {
4119 brcmf_err("BRCMF_C_UP error (%d)\n", err);
4120 goto exit;
4121 }
118eb304
HM		 4122 /* On DOWN the firmware removes the WEP keys, reconfigure
4123 * them if they were set.
4124 */
4125 brcmf_cfg80211_reconfigure_wep(ifp);
a0f07959
HM		 4126
4127 memset(&join_params, 0, sizeof(join_params));
4128 /* join parameters starts with ssid */
4129 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
4130 /* create softap */
4131 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4132 &join_params, sizeof(join_params));
4133 if (err < 0) {
4134 brcmf_err("SET SSID error (%d)\n", err);
4135 goto exit;
4136 }
4137 brcmf_dbg(TRACE, "AP mode configuration complete\n");
4138 } else {
4139 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
4140 sizeof(ssid_le));
4141 if (err < 0) {
4142 brcmf_err("setting ssid failed %d\n", err);
4143 goto exit;
4144 }
4145 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
4146 bss_enable.enable = cpu_to_le32(1);
4147 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4148 sizeof(bss_enable));
4149 if (err < 0) {
4150 brcmf_err("bss_enable config failed %d\n", err);
4151 goto exit;
4152 }
4153
4154 brcmf_dbg(TRACE, "GO mode configuration complete\n");
4155 }
c1179033
AS		 4156 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
4157 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
1a873342
HM		 4158
4159exit:
a44aa400 4160 if ((err) && (!mbss)) {
f96aa07e 4161 brcmf_set_mpc(ifp, 1);
b3657453
HM		 4162 brcmf_configure_arp_offload(ifp, true);
4163 }
1a873342
HM		 4164 return err;
4165}
4166
4167static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
4168{
c1179033 4169 struct brcmf_if *ifp = netdev_priv(ndev);
5c33a942 4170 s32 err;
426d0a56 4171 struct brcmf_fil_bss_enable_le bss_enable;
5c33a942 4172 struct brcmf_join_params join_params;
1a873342 4173
d96b801f 4174 brcmf_dbg(TRACE, "Enter\n");
1a873342 4175
426d0a56 4176 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
1a873342
HM		 4177 /* Due to most likely deauths outstanding we sleep */
4178 /* first to make sure they get processed by fw. */
4179 msleep(400);
5c33a942 4180
a44aa400
HM		 4181 if (ifp->vif->mbss) {
4182 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4183 return err;
4184 }
4185
5c33a942
HM		 4186 memset(&join_params, 0, sizeof(join_params));
4187 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4188 &join_params, sizeof(join_params));
4189 if (err < 0)
4190 brcmf_err("SET SSID error (%d)\n", err);
a44aa400 4191 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
5c33a942 4192 if (err < 0)
a44aa400 4193 brcmf_err("BRCMF_C_DOWN error %d\n", err);
5c33a942
HM		 4194 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
4195 if (err < 0)
4196 brcmf_err("setting AP mode failed %d\n", err);
4197 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
4198 if (err < 0)
4199 brcmf_err("setting INFRA mode failed %d\n", err);
a44aa400
HM		 4200 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
4201 brcmf_fil_iovar_int_set(ifp, "mbss", 0);
98027769
AS		 4202 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4203 ifp->vif->is_11d);
4204 if (err < 0)
4205 brcmf_err("restoring REGULATORY setting failed %d\n",
4206 err);
a44aa400
HM		 4207 /* Bring device back up so it can be used again */
4208 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4209 if (err < 0)
4210 brcmf_err("BRCMF_C_UP error %d\n", err);
426d0a56
HM		 4211 } else {
4212 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
4213 bss_enable.enable = cpu_to_le32(0);
4214 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4215 sizeof(bss_enable));
4216 if (err < 0)
4217 brcmf_err("bss_enable config failed %d\n", err);
1a873342 4218 }
f96aa07e 4219 brcmf_set_mpc(ifp, 1);
b3657453 4220 brcmf_configure_arp_offload(ifp, true);
426d0a56
HM		 4221 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
4222 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
4223
1a873342
HM		 4224 return err;
4225}
4226
a0f07959
HM		 4227static s32
4228brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
4229 struct cfg80211_beacon_data *info)
4230{
a0f07959
HM		 4231 struct brcmf_if *ifp = netdev_priv(ndev);
4232 s32 err;
4233
4234 brcmf_dbg(TRACE, "Enter\n");
4235
a0f07959
HM		 4236 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
4237
4238 return err;
4239}
4240
1a873342
HM		 4241static int
4242brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
89c771e5 4243 struct station_del_parameters *params)
1a873342 4244{
a0f07959 4245 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1a873342 4246 struct brcmf_scb_val_le scbval;
0abb5f21 4247 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 4248 s32 err;
4249
89c771e5 4250 if (!params->mac)
1a873342
HM		 4251 return -EFAULT;
4252
89c771e5 4253 brcmf_dbg(TRACE, "Enter %pM\n", params->mac);
1a873342 4254
a0f07959
HM		 4255 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4256 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
ce81e317 4257 if (!check_vif_up(ifp->vif))
1a873342
HM		 4258 return -EIO;
4259
89c771e5 4260 memcpy(&scbval.ea, params->mac, ETH_ALEN);
1a873342 4261 scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
0abb5f21 4262 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
81f5dcb8 4263 &scbval, sizeof(scbval));
1a873342 4264 if (err)
57d6e91a 4265 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
7ab6acd0 4266
d96b801f 4267 brcmf_dbg(TRACE, "Exit\n");
1a873342
HM		 4268 return err;
4269}
4270
6b89dcb3
HM		 4271static int
4272brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev,
4273 const u8 *mac, struct station_parameters *params)
4274{
4275 struct brcmf_if *ifp = netdev_priv(ndev);
4276 s32 err;
4277
4278 brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac,
4279 params->sta_flags_mask, params->sta_flags_set);
4280
4281 /* Ignore all 00 MAC */
4282 if (is_zero_ether_addr(mac))
4283 return 0;
4284
4285 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4286 return 0;
4287
4288 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4289 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE,
4290 (void *)mac, ETH_ALEN);
4291 else
4292 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE,
4293 (void *)mac, ETH_ALEN);
4294 if (err < 0)
4295 brcmf_err("Setting SCB (de-)authorize failed, %d\n", err);
4296
4297 return err;
4298}
0de8aace
HM		 4299
4300static void
4301brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4302 struct wireless_dev *wdev,
4303 u16 frame_type, bool reg)
4304{
7fa2e352 4305 struct brcmf_cfg80211_vif *vif;
0de8aace
HM		 4306 u16 mgmt_type;
4307
4308 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4309
4310 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
7fa2e352 4311 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
0de8aace
HM		 4312 if (reg)
4313 vif->mgmt_rx_reg |= BIT(mgmt_type);
4314 else
318a64ce 4315 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
0de8aace
HM		 4316}
4317
4318
4319static int
4320brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 4321 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
0de8aace
HM		 4322{
4323 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
b176e629
AO		 4324 struct ieee80211_channel *chan = params->chan;
4325 const u8 *buf = params->buf;
4326 size_t len = params->len;
0de8aace
HM		 4327 const struct ieee80211_mgmt *mgmt;
4328 struct brcmf_cfg80211_vif *vif;
4329 s32 err = 0;
4330 s32 ie_offset;
4331 s32 ie_len;
18e2f61d
HM		 4332 struct brcmf_fil_action_frame_le *action_frame;
4333 struct brcmf_fil_af_params_le *af_params;
4334 bool ack;
4335 s32 chan_nr;
c2ff8cad 4336 u32 freq;
0de8aace
HM		 4337
4338 brcmf_dbg(TRACE, "Enter\n");
4339
4340 *cookie = 0;
4341
4342 mgmt = (const struct ieee80211_mgmt *)buf;
4343
a0f07959
HM		 4344 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4345 brcmf_err("Driver only allows MGMT packet type\n");
4346 return -EPERM;
4347 }
0de8aace 4348
c2ff8cad
AQ		 4349 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4350
a0f07959
HM		 4351 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4352 /* Right now the only reason to get a probe response */
4353 /* is for p2p listen response or for p2p GO from */
4354 /* wpa_supplicant. Unfortunately the probe is send */
4355 /* on primary ndev, while dongle wants it on the p2p */
4356 /* vif. Since this is only reason for a probe */
4357 /* response to be sent, the vif is taken from cfg. */
4358 /* If ever desired to send proberesp for non p2p */
4359 /* response then data should be checked for */
4360 /* "DIRECT-". Note in future supplicant will take */
4361 /* dedicated p2p wdev to do this and then this 'hack'*/
4362 /* is not needed anymore. */
4363 ie_offset = DOT11_MGMT_HDR_LEN +
4364 DOT11_BCN_PRB_FIXED_LEN;
4365 ie_len = len - ie_offset;
a0f07959 4366 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
0de8aace 4367 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
a0f07959
HM		 4368 err = brcmf_vif_set_mgmt_ie(vif,
4369 BRCMF_VNDR_IE_PRBRSP_FLAG,
4370 &buf[ie_offset],
4371 ie_len);
4372 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4373 GFP_KERNEL);
18e2f61d
HM		 4374 } else if (ieee80211_is_action(mgmt->frame_control)) {
4375 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4376 if (af_params == NULL) {
4377 brcmf_err("unable to allocate frame\n");
4378 err = -ENOMEM;
4379 goto exit;
4380 }
4381 action_frame = &af_params->action_frame;
4382 /* Add the packet Id */
4383 action_frame->packet_id = cpu_to_le32(*cookie);
4384 /* Add BSSID */
4385 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4386 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4387 /* Add the length exepted for 802.11 header */
4388 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
c2ff8cad
AQ		 4389 /* Add the channel. Use the one specified as parameter if any or
4390 * the current one (got from the firmware) otherwise
4391 */
4392 if (chan)
4393 freq = chan->center_freq;
4394 else
4395 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4396 &freq);
4397 chan_nr = ieee80211_frequency_to_channel(freq);
18e2f61d
HM		 4398 af_params->channel = cpu_to_le32(chan_nr);
4399
4400 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4401 le16_to_cpu(action_frame->len));
4402
4403 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
86a9c4a2 4404 *cookie, le16_to_cpu(action_frame->len), freq);
18e2f61d 4405
7fa2e352 4406 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
18e2f61d
HM		 4407 af_params);
4408
4409 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4410 GFP_KERNEL);
4411 kfree(af_params);
a0f07959
HM		 4412 } else {
4413 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4414 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
0de8aace 4415 }
a0f07959 4416
18e2f61d 4417exit:
0de8aace
HM		 4418 return err;
4419}
4420
4421
4422static int
4423brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4424 struct wireless_dev *wdev,
4425 u64 cookie)
4426{
4427 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4428 struct brcmf_cfg80211_vif *vif;
4429 int err = 0;
4430
4431 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4432
4433 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4434 if (vif == NULL) {
4435 brcmf_err("No p2p device available for probe response\n");
4436 err = -ENODEV;
4437 goto exit;
4438 }
4439 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4440exit:
4441 return err;
4442}
4443
61730d4d
PH		 4444static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4445 struct wireless_dev *wdev,
4446 enum nl80211_crit_proto_id proto,
4447 u16 duration)
4448{
4449 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4450 struct brcmf_cfg80211_vif *vif;
4451
4452 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4453
4454 /* only DHCP support for now */
4455 if (proto != NL80211_CRIT_PROTO_DHCP)
4456 return -EINVAL;
4457
4458 /* suppress and abort scanning */
4459 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4460 brcmf_abort_scanning(cfg);
4461
4462 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4463}
4464
4465static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4466 struct wireless_dev *wdev)
4467{
4468 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4469 struct brcmf_cfg80211_vif *vif;
4470
4471 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4472
4473 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4474 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4475}
4476
70b7d94b
HM		 4477static s32
4478brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4479 const struct brcmf_event_msg *e, void *data)
4480{
4481 switch (e->reason) {
4482 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
4483 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
4484 break;
4485 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
4486 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
4487 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4488 break;
4489 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
4490 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
4491 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4492 break;
4493 }
4494
4495 return 0;
4496}
4497
89c2f382
AS		 4498static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4499{
4500 int ret;
4501
4502 switch (oper) {
4503 case NL80211_TDLS_DISCOVERY_REQ:
4504 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4505 break;
4506 case NL80211_TDLS_SETUP:
4507 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4508 break;
4509 case NL80211_TDLS_TEARDOWN:
4510 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4511 break;
4512 default:
4513 brcmf_err("unsupported operation: %d\n", oper);
4514 ret = -EOPNOTSUPP;
4515 }
4516 return ret;
4517}
4518
4519static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
3b3a0162 4520 struct net_device *ndev, const u8 *peer,
89c2f382
AS		 4521 enum nl80211_tdls_operation oper)
4522{
4523 struct brcmf_if *ifp;
4524 struct brcmf_tdls_iovar_le info;
4525 int ret = 0;
4526
4527 ret = brcmf_convert_nl80211_tdls_oper(oper);
4528 if (ret < 0)
4529 return ret;
4530
4531 ifp = netdev_priv(ndev);
4532 memset(&info, 0, sizeof(info));
4533 info.mode = (u8)ret;
4534 if (peer)
4535 memcpy(info.ea, peer, ETH_ALEN);
4536
4537 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
4538 &info, sizeof(info));
4539 if (ret < 0)
4540 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
4541
4542 return ret;
4543}
4544
5b435de0 4545static struct cfg80211_ops wl_cfg80211_ops = {
9f440b7b
AS		 4546 .add_virtual_intf = brcmf_cfg80211_add_iface,
4547 .del_virtual_intf = brcmf_cfg80211_del_iface,
5b435de0
AS		 4548 .change_virtual_intf = brcmf_cfg80211_change_iface,
4549 .scan = brcmf_cfg80211_scan,
4550 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
4551 .join_ibss = brcmf_cfg80211_join_ibss,
4552 .leave_ibss = brcmf_cfg80211_leave_ibss,
4553 .get_station = brcmf_cfg80211_get_station,
4554 .set_tx_power = brcmf_cfg80211_set_tx_power,
4555 .get_tx_power = brcmf_cfg80211_get_tx_power,
4556 .add_key = brcmf_cfg80211_add_key,
4557 .del_key = brcmf_cfg80211_del_key,
4558 .get_key = brcmf_cfg80211_get_key,
4559 .set_default_key = brcmf_cfg80211_config_default_key,
4560 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
4561 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
5b435de0
AS		 4562 .connect = brcmf_cfg80211_connect,
4563 .disconnect = brcmf_cfg80211_disconnect,
4564 .suspend = brcmf_cfg80211_suspend,
4565 .resume = brcmf_cfg80211_resume,
4566 .set_pmksa = brcmf_cfg80211_set_pmksa,
4567 .del_pmksa = brcmf_cfg80211_del_pmksa,
cbaa177d 4568 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
1a873342
HM		 4569 .start_ap = brcmf_cfg80211_start_ap,
4570 .stop_ap = brcmf_cfg80211_stop_ap,
a0f07959 4571 .change_beacon = brcmf_cfg80211_change_beacon,
1a873342 4572 .del_station = brcmf_cfg80211_del_station,
6b89dcb3 4573 .change_station = brcmf_cfg80211_change_station,
e5806072
AS		 4574 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
4575 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
0de8aace
HM		 4576 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
4577 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
4578 .remain_on_channel = brcmf_p2p_remain_on_channel,
4579 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
27f10e38
AS		 4580 .start_p2p_device = brcmf_p2p_start_device,
4581 .stop_p2p_device = brcmf_p2p_stop_device,
61730d4d
PH		 4582 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
4583 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
89c2f382 4584 .tdls_oper = brcmf_cfg80211_tdls_oper,
5b435de0
AS		 4585};
4586
3eacf866 4587struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
9f440b7b
AS		 4588 enum nl80211_iftype type,
4589 bool pm_block)
3eacf866 4590{
a44aa400 4591 struct brcmf_cfg80211_vif *vif_walk;
3eacf866 4592 struct brcmf_cfg80211_vif *vif;
a44aa400 4593 bool mbss;
5b435de0 4594
33a6b157 4595 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
9f440b7b 4596 sizeof(*vif));
3eacf866
AS		 4597 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
4598 if (!vif)
4599 return ERR_PTR(-ENOMEM);
4600
4601 vif->wdev.wiphy = cfg->wiphy;
9f440b7b 4602 vif->wdev.iftype = type;
5b435de0 4603
3eacf866
AS		 4604 vif->pm_block = pm_block;
4605 vif->roam_off = -1;
4606
6ac4f4ed
AS		 4607 brcmf_init_prof(&vif->profile);
4608
a44aa400
HM		 4609 if (type == NL80211_IFTYPE_AP) {
4610 mbss = false;
4611 list_for_each_entry(vif_walk, &cfg->vif_list, list) {
4612 if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) {
4613 mbss = true;
4614 break;
4615 }
4616 }
4617 vif->mbss = mbss;
4618 }
4619
3eacf866 4620 list_add_tail(&vif->list, &cfg->vif_list);
3eacf866 4621 return vif;
5b435de0
AS		 4622}
4623
427dec5f 4624void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5b435de0 4625{
3eacf866 4626 list_del(&vif->list);
3eacf866 4627 kfree(vif);
5b435de0
AS		 4628}
4629
9df4d542
AS		 4630void brcmf_cfg80211_free_netdev(struct net_device *ndev)
4631{
4632 struct brcmf_cfg80211_vif *vif;
4633 struct brcmf_if *ifp;
4634
4635 ifp = netdev_priv(ndev);
4636 vif = ifp->vif;
4637
4638 brcmf_free_vif(vif);
4639 free_netdev(ndev);
4640}
4641
903e0eee 4642static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
5b435de0 4643{
5c36b99a
AS		 4644 u32 event = e->event_code;
4645 u32 status = e->status;
5b435de0
AS		 4646
4647 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
16886735 4648 brcmf_dbg(CONN, "Processing set ssid\n");
5b435de0
AS		 4649 return true;
4650 }
4651
4652 return false;
4653}
4654
903e0eee 4655static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
5b435de0 4656{
5c36b99a
AS		 4657 u32 event = e->event_code;
4658 u16 flags = e->flags;
5b435de0 4659
68ca395f
HM		 4660 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
4661 (event == BRCMF_E_DISASSOC_IND) ||
4662 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
16886735 4663 brcmf_dbg(CONN, "Processing link down\n");
5b435de0
AS		 4664 return true;
4665 }
4666 return false;
4667}
4668
27a68fe3 4669static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4670 const struct brcmf_event_msg *e)
4671{
5c36b99a
AS		 4672 u32 event = e->event_code;
4673 u32 status = e->status;
5b435de0
AS		 4674
4675 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
16886735
AS		 4676 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
4677 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
5b435de0
AS		 4678 return true;
4679 }
4680
4681 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
16886735 4682 brcmf_dbg(CONN, "Processing connecting & no network found\n");
5b435de0
AS		 4683 return true;
4684 }
4685
4686 return false;
4687}
4688
27a68fe3 4689static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5b435de0 4690{
27a68fe3 4691 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4692
4693 kfree(conn_info->req_ie);
4694 conn_info->req_ie = NULL;
4695 conn_info->req_ie_len = 0;
4696 kfree(conn_info->resp_ie);
4697 conn_info->resp_ie = NULL;
4698 conn_info->resp_ie_len = 0;
4699}
4700
89286dc9
HM		 4701static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
4702 struct brcmf_if *ifp)
5b435de0 4703{
c4e382d2 4704 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
27a68fe3 4705 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4706 u32 req_len;
4707 u32 resp_len;
4708 s32 err = 0;
4709
27a68fe3 4710 brcmf_clear_assoc_ies(cfg);
5b435de0 4711
ac24be6f
AS		 4712 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
4713 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5b435de0 4714 if (err) {
57d6e91a 4715 brcmf_err("could not get assoc info (%d)\n", err);
5b435de0
AS		 4716 return err;
4717 }
c4e382d2 4718 assoc_info =
27a68fe3 4719 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
c4e382d2
AS		 4720 req_len = le32_to_cpu(assoc_info->req_len);
4721 resp_len = le32_to_cpu(assoc_info->resp_len);
5b435de0 4722 if (req_len) {
ac24be6f 4723 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
81f5dcb8
HM		 4724 cfg->extra_buf,
4725 WL_ASSOC_INFO_MAX);
5b435de0 4726 if (err) {
57d6e91a 4727 brcmf_err("could not get assoc req (%d)\n", err);
5b435de0
AS		 4728 return err;
4729 }
4730 conn_info->req_ie_len = req_len;
4731 conn_info->req_ie =
27a68fe3 4732 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5b435de0
AS		 4733 GFP_KERNEL);
4734 } else {
4735 conn_info->req_ie_len = 0;
4736 conn_info->req_ie = NULL;
4737 }
4738 if (resp_len) {
ac24be6f 4739 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
81f5dcb8
HM		 4740 cfg->extra_buf,
4741 WL_ASSOC_INFO_MAX);
5b435de0 4742 if (err) {
57d6e91a 4743 brcmf_err("could not get assoc resp (%d)\n", err);
5b435de0
AS		 4744 return err;
4745 }
4746 conn_info->resp_ie_len = resp_len;
4747 conn_info->resp_ie =
27a68fe3 4748 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5b435de0
AS		 4749 GFP_KERNEL);
4750 } else {
4751 conn_info->resp_ie_len = 0;
4752 conn_info->resp_ie = NULL;
4753 }
16886735
AS		 4754 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
4755 conn_info->req_ie_len, conn_info->resp_ie_len);
5b435de0
AS		 4756
4757 return err;
4758}
4759
4760static s32
27a68fe3 4761brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4762 struct net_device *ndev,
4763 const struct brcmf_event_msg *e)
4764{
c1179033
AS		 4765 struct brcmf_if *ifp = netdev_priv(ndev);
4766 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3
AS		 4767 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4768 struct wiphy *wiphy = cfg_to_wiphy(cfg);
a180b83b 4769 struct ieee80211_channel *notify_channel = NULL;
5b435de0 4770 struct ieee80211_supported_band *band;
a180b83b 4771 struct brcmf_bss_info_le *bi;
83cf17aa 4772 struct brcmu_chan ch;
5b435de0
AS		 4773 u32 freq;
4774 s32 err = 0;
a180b83b 4775 u8 *buf;
5b435de0 4776
d96b801f 4777 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4778
89286dc9 4779 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4780 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9 4781 brcmf_update_bss_info(cfg, ifp);
5b435de0 4782
a180b83b
FL		 4783 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
4784 if (buf == NULL) {
4785 err = -ENOMEM;
4786 goto done;
4787 }
4788
4789 /* data sent to dongle has to be little endian */
4790 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
c1179033 4791 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
ac24be6f 4792 buf, WL_BSS_INFO_MAX);
a180b83b
FL		 4793
4794 if (err)
4795 goto done;
5b435de0 4796
a180b83b 4797 bi = (struct brcmf_bss_info_le *)(buf + 4);
83cf17aa
FL		 4798 ch.chspec = le16_to_cpu(bi->chanspec);
4799 cfg->d11inf.decchspec(&ch);
5b435de0 4800
83cf17aa 4801 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 4802 band = wiphy->bands[IEEE80211_BAND_2GHZ];
4803 else
4804 band = wiphy->bands[IEEE80211_BAND_5GHZ];
4805
83cf17aa 4806 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 4807 notify_channel = ieee80211_get_channel(wiphy, freq);
4808
a180b83b
FL		 4809done:
4810 kfree(buf);
06bb123e 4811 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
5b435de0
AS		 4812 conn_info->req_ie, conn_info->req_ie_len,
4813 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
16886735 4814 brcmf_dbg(CONN, "Report roaming result\n");
5b435de0 4815
c1179033 4816 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
d96b801f 4817 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 4818 return err;
4819}
4820
4821static s32
27a68fe3 4822brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4823 struct net_device *ndev, const struct brcmf_event_msg *e,
4824 bool completed)
4825{
c1179033
AS		 4826 struct brcmf_if *ifp = netdev_priv(ndev);
4827 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3 4828 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0 4829
d96b801f 4830 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4831
c1179033
AS		 4832 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4833 &ifp->vif->sme_state)) {
5b435de0 4834 if (completed) {
89286dc9 4835 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4836 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9
HM		 4837 brcmf_update_bss_info(cfg, ifp);
4838 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4839 &ifp->vif->sme_state);
5b435de0
AS		 4840 }
4841 cfg80211_connect_result(ndev,
06bb123e 4842 (u8 *)profile->bssid,
5b435de0
AS		 4843 conn_info->req_ie,
4844 conn_info->req_ie_len,
4845 conn_info->resp_ie,
4846 conn_info->resp_ie_len,
4847 completed ? WLAN_STATUS_SUCCESS :
4848 WLAN_STATUS_AUTH_TIMEOUT,
4849 GFP_KERNEL);
16886735
AS		 4850 brcmf_dbg(CONN, "Report connect result - connection %s\n",
4851 completed ? "succeeded" : "failed");
5b435de0 4852 }
d96b801f 4853 brcmf_dbg(TRACE, "Exit\n");
12f32370 4854 return 0;
5b435de0
AS		 4855}
4856
4857static s32
27a68fe3 4858brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
1a873342
HM		 4859 struct net_device *ndev,
4860 const struct brcmf_event_msg *e, void *data)
4861{
a44aa400 4862 struct brcmf_if *ifp = netdev_priv(ndev);
7ee29602 4863 static int generation;
5c36b99a
AS		 4864 u32 event = e->event_code;
4865 u32 reason = e->reason;
1a873342
HM		 4866 struct station_info sinfo;
4867
16886735 4868 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
5f4f9f11
AS		 4869 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
4870 ndev != cfg_to_ndev(cfg)) {
4871 brcmf_dbg(CONN, "AP mode link down\n");
4872 complete(&cfg->vif_disabled);
a44aa400
HM		 4873 if (ifp->vif->mbss)
4874 brcmf_remove_interface(ifp->drvr, ifp->bssidx);
5f4f9f11
AS		 4875 return 0;
4876 }
1a873342 4877
1a873342 4878 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
7ee29602
HM		 4879 (reason == BRCMF_E_STATUS_SUCCESS)) {
4880 memset(&sinfo, 0, sizeof(sinfo));
1a873342 4881 if (!data) {
57d6e91a 4882 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
1a873342
HM		 4883 return -EINVAL;
4884 }
4885 sinfo.assoc_req_ies = data;
7ee29602 4886 sinfo.assoc_req_ies_len = e->datalen;
1a873342
HM		 4887 generation++;
4888 sinfo.generation = generation;
7ee29602 4889 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
1a873342
HM		 4890 } else if ((event == BRCMF_E_DISASSOC_IND) ||
4891 (event == BRCMF_E_DEAUTH_IND) ||
4892 (event == BRCMF_E_DEAUTH)) {
7ee29602 4893 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
1a873342 4894 }
7ee29602 4895 return 0;
1a873342
HM		 4896}
4897
5b435de0 4898static s32
1993732e 4899brcmf_notify_connect_status(struct brcmf_if *ifp,
5b435de0
AS		 4900 const struct brcmf_event_msg *e, void *data)
4901{
1993732e
AS		 4902 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4903 struct net_device *ndev = ifp->ndev;
c1179033 4904 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
fe94f3a4 4905 struct ieee80211_channel *chan;
5b435de0
AS		 4906 s32 err = 0;
4907
8851cce0
HM		 4908 if ((e->event_code == BRCMF_E_DEAUTH) ||
4909 (e->event_code == BRCMF_E_DEAUTH_IND) ||
4910 (e->event_code == BRCMF_E_DISASSOC_IND) ||
4911 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
4912 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4913 }
4914
967fe2c8 4915 if (brcmf_is_apmode(ifp->vif)) {
27a68fe3 4916 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
903e0eee 4917 } else if (brcmf_is_linkup(e)) {
16886735 4918 brcmf_dbg(CONN, "Linkup\n");
128ce3b6 4919 if (brcmf_is_ibssmode(ifp->vif)) {
fe94f3a4 4920 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
6c8c4f72 4921 memcpy(profile->bssid, e->addr, ETH_ALEN);
27a68fe3 4922 wl_inform_ibss(cfg, ndev, e->addr);
fe94f3a4 4923 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
c1179033
AS		 4924 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4925 &ifp->vif->sme_state);
4926 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4927 &ifp->vif->sme_state);
5b435de0 4928 } else
27a68fe3 4929 brcmf_bss_connect_done(cfg, ndev, e, true);
903e0eee 4930 } else if (brcmf_is_linkdown(e)) {
16886735 4931 brcmf_dbg(CONN, "Linkdown\n");
128ce3b6 4932 if (!brcmf_is_ibssmode(ifp->vif)) {
27a68fe3 4933 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0 4934 }
903e0eee 4935 brcmf_link_down(ifp->vif);
6ac4f4ed 4936 brcmf_init_prof(ndev_to_prof(ndev));
5f4f9f11
AS		 4937 if (ndev != cfg_to_ndev(cfg))
4938 complete(&cfg->vif_disabled);
27a68fe3 4939 } else if (brcmf_is_nonetwork(cfg, e)) {
128ce3b6 4940 if (brcmf_is_ibssmode(ifp->vif))
c1179033
AS		 4941 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4942 &ifp->vif->sme_state);
5b435de0 4943 else
27a68fe3 4944 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0
AS		 4945 }
4946
4947 return err;
4948}
4949
4950static s32
1993732e 4951brcmf_notify_roaming_status(struct brcmf_if *ifp,
5b435de0
AS		 4952 const struct brcmf_event_msg *e, void *data)
4953{
1993732e 4954 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5c36b99a
AS		 4955 u32 event = e->event_code;
4956 u32 status = e->status;
5b435de0
AS		 4957
4958 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
c1179033 4959 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
1993732e 4960 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
5b435de0 4961 else
1993732e 4962 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
5b435de0
AS		 4963 }
4964
12f32370 4965 return 0;
5b435de0
AS		 4966}
4967
4968static s32
1993732e 4969brcmf_notify_mic_status(struct brcmf_if *ifp,
5b435de0
AS		 4970 const struct brcmf_event_msg *e, void *data)
4971{
5c36b99a 4972 u16 flags = e->flags;
5b435de0
AS		 4973 enum nl80211_key_type key_type;
4974
4975 if (flags & BRCMF_EVENT_MSG_GROUP)
4976 key_type = NL80211_KEYTYPE_GROUP;
4977 else
4978 key_type = NL80211_KEYTYPE_PAIRWISE;
4979
1993732e 4980 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
5b435de0
AS		 4981 NULL, GFP_KERNEL);
4982
4983 return 0;
4984}
4985
d3c0b633
AS		 4986static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
4987 const struct brcmf_event_msg *e, void *data)
4988{
4989 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4990 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
4991 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
4992 struct brcmf_cfg80211_vif *vif;
4993
4994 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
4995 ifevent->action, ifevent->flags, ifevent->ifidx,
4996 ifevent->bssidx);
4997
d3c0b633
AS		 4998 mutex_lock(&event->vif_event_lock);
4999 event->action = ifevent->action;
5000 vif = event->vif;
5001
5002 switch (ifevent->action) {
5003 case BRCMF_E_IF_ADD:
5004 /* waiting process may have timed out */
dc4a787c
WY		 5005 if (!cfg->vif_event.vif) {
5006 mutex_unlock(&event->vif_event_lock);
d3c0b633 5007 return -EBADF;
dc4a787c 5008 }
d3c0b633
AS		 5009
5010 ifp->vif = vif;
5011 vif->ifp = ifp;
01b8e7db
AS		 5012 if (ifp->ndev) {
5013 vif->wdev.netdev = ifp->ndev;
5014 ifp->ndev->ieee80211_ptr = &vif->wdev;
5015 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
5016 }
d3c0b633
AS		 5017 mutex_unlock(&event->vif_event_lock);
5018 wake_up(&event->vif_wq);
4b3a89de 5019 return 0;
d3c0b633
AS		 5020
5021 case BRCMF_E_IF_DEL:
d3c0b633
AS		 5022 mutex_unlock(&event->vif_event_lock);
5023 /* event may not be upon user request */
5024 if (brcmf_cfg80211_vif_event_armed(cfg))
5025 wake_up(&event->vif_wq);
5026 return 0;
5027
7a5c1f64
HM		 5028 case BRCMF_E_IF_CHANGE:
5029 mutex_unlock(&event->vif_event_lock);
5030 wake_up(&event->vif_wq);
5031 return 0;
5032
d3c0b633
AS		 5033 default:
5034 mutex_unlock(&event->vif_event_lock);
5035 break;
5036 }
5037 return -EINVAL;
5038}
5039
5b435de0
AS		 5040static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
5041{
5b435de0
AS		 5042 conf->frag_threshold = (u32)-1;
5043 conf->rts_threshold = (u32)-1;
5044 conf->retry_short = (u32)-1;
5045 conf->retry_long = (u32)-1;
5046 conf->tx_power = -1;
5047}
5048
5c36b99a 5049static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5b435de0 5050{
5c36b99a
AS		 5051 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
5052 brcmf_notify_connect_status);
5053 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
5054 brcmf_notify_connect_status);
5055 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
5056 brcmf_notify_connect_status);
5057 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
5058 brcmf_notify_connect_status);
5059 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
5060 brcmf_notify_connect_status);
5061 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
5062 brcmf_notify_connect_status);
5063 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
5064 brcmf_notify_roaming_status);
5065 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
5066 brcmf_notify_mic_status);
5067 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
5068 brcmf_notify_connect_status);
5069 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
5070 brcmf_notify_sched_scan_results);
d3c0b633
AS		 5071 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
5072 brcmf_notify_vif_event);
0de8aace 5073 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
6eda4e2c 5074 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
0de8aace
HM		 5075 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
5076 brcmf_p2p_notify_listen_complete);
e6da3400
HM		 5077 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
5078 brcmf_p2p_notify_action_frame_rx);
18e2f61d
HM		 5079 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
5080 brcmf_p2p_notify_action_tx_complete);
6eda4e2c
HM		 5081 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
5082 brcmf_p2p_notify_action_tx_complete);
5b435de0
AS		 5083}
5084
27a68fe3
AS		 5085static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
5086{
27a68fe3
AS		 5087 kfree(cfg->conf);
5088 cfg->conf = NULL;
27a68fe3
AS		 5089 kfree(cfg->escan_ioctl_buf);
5090 cfg->escan_ioctl_buf = NULL;
27a68fe3
AS		 5091 kfree(cfg->extra_buf);
5092 cfg->extra_buf = NULL;
27a68fe3
AS		 5093 kfree(cfg->pmk_list);
5094 cfg->pmk_list = NULL;
27a68fe3
AS		 5095}
5096
5097static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
5098{
27a68fe3
AS		 5099 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
5100 if (!cfg->conf)
5b435de0 5101 goto init_priv_mem_out;
27a68fe3
AS		 5102 cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5103 if (!cfg->escan_ioctl_buf)
e756af5b 5104 goto init_priv_mem_out;
27a68fe3
AS		 5105 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
5106 if (!cfg->extra_buf)
5b435de0 5107 goto init_priv_mem_out;
27a68fe3
AS		 5108 cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
5109 if (!cfg->pmk_list)
5b435de0
AS		 5110 goto init_priv_mem_out;
5111
5112 return 0;
5113
5114init_priv_mem_out:
27a68fe3 5115 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5116
5117 return -ENOMEM;
5118}
5119
27a68fe3 5120static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5121{
5122 s32 err = 0;
5123
27a68fe3
AS		 5124 cfg->scan_request = NULL;
5125 cfg->pwr_save = true;
68ca395f
HM		 5126 cfg->active_scan = true; /* we do active scan per default */
5127 cfg->dongle_up = false; /* dongle is not up yet */
27a68fe3 5128 err = brcmf_init_priv_mem(cfg);
5b435de0
AS		 5129 if (err)
5130 return err;
5c36b99a 5131 brcmf_register_event_handlers(cfg);
27a68fe3 5132 mutex_init(&cfg->usr_sync);
27a68fe3
AS		 5133 brcmf_init_escan(cfg);
5134 brcmf_init_conf(cfg->conf);
5f4f9f11 5135 init_completion(&cfg->vif_disabled);
5b435de0
AS		 5136 return err;
5137}
5138
27a68fe3 5139static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5b435de0 5140{
27a68fe3 5141 cfg->dongle_up = false; /* dongle down */
27a68fe3
AS		 5142 brcmf_abort_scanning(cfg);
5143 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5144}
5145
d3c0b633
AS		 5146static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
5147{
5148 init_waitqueue_head(&event->vif_wq);
d3c0b633
AS		 5149 mutex_init(&event->vif_event_lock);
5150}
5151
5b435de0 5152static s32
68ca395f 5153brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
5b435de0 5154{
5b435de0 5155 s32 err = 0;
f588bc0c
AS		 5156 __le32 roamtrigger[2];
5157 __le32 roam_delta[2];
5b435de0
AS		 5158
5159 /*
5160 * Setup timeout if Beacons are lost and roam is
5161 * off to report link down
5162 */
68ca395f 5163 if (brcmf_roamoff) {
ac24be6f 5164 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5b435de0 5165 if (err) {
57d6e91a 5166 brcmf_err("bcn_timeout error (%d)\n", err);
5b435de0
AS		 5167 goto dongle_rom_out;
5168 }
5169 }
5170
5171 /*
5172 * Enable/Disable built-in roaming to allow supplicant
5173 * to take care of roaming
5174 */
68ca395f
HM		 5175 brcmf_dbg(INFO, "Internal Roaming = %s\n",
5176 brcmf_roamoff ? "Off" : "On");
5177 err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
5b435de0 5178 if (err) {
57d6e91a 5179 brcmf_err("roam_off error (%d)\n", err);
5b435de0
AS		 5180 goto dongle_rom_out;
5181 }
5182
f588bc0c
AS		 5183 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
5184 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5185 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
81f5dcb8 5186 (void *)roamtrigger, sizeof(roamtrigger));
5b435de0 5187 if (err) {
57d6e91a 5188 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
5b435de0
AS		 5189 goto dongle_rom_out;
5190 }
5191
f588bc0c
AS		 5192 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
5193 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5194 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
81f5dcb8 5195 (void *)roam_delta, sizeof(roam_delta));
5b435de0 5196 if (err) {
57d6e91a 5197 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
5b435de0
AS		 5198 goto dongle_rom_out;
5199 }
5200
5201dongle_rom_out:
5202 return err;
5203}
5204
5205static s32
40a23296 5206brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
c68cdc0f 5207 s32 scan_unassoc_time, s32 scan_passive_time)
5b435de0
AS		 5208{
5209 s32 err = 0;
5210
ac24be6f 5211 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
81f5dcb8 5212 scan_assoc_time);
5b435de0
AS		 5213 if (err) {
5214 if (err == -EOPNOTSUPP)
647c9ae0 5215 brcmf_dbg(INFO, "Scan assoc time is not supported\n");
5b435de0 5216 else
57d6e91a 5217 brcmf_err("Scan assoc time error (%d)\n", err);
5b435de0
AS		 5218 goto dongle_scantime_out;
5219 }
ac24be6f 5220 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
81f5dcb8 5221 scan_unassoc_time);
5b435de0
AS		 5222 if (err) {
5223 if (err == -EOPNOTSUPP)
647c9ae0 5224 brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
5b435de0 5225 else
57d6e91a 5226 brcmf_err("Scan unassoc time error (%d)\n", err);
5b435de0
AS		 5227 goto dongle_scantime_out;
5228 }
5229
ac24be6f 5230 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
81f5dcb8 5231 scan_passive_time);
5b435de0
AS		 5232 if (err) {
5233 if (err == -EOPNOTSUPP)
647c9ae0 5234 brcmf_dbg(INFO, "Scan passive time is not supported\n");
5b435de0 5235 else
57d6e91a 5236 brcmf_err("Scan passive time error (%d)\n", err);
5b435de0
AS		 5237 goto dongle_scantime_out;
5238 }
5239
5240dongle_scantime_out:
5241 return err;
5242}
5243
b48d8916
AS		 5244/* Filter the list of channels received from firmware counting only
5245 * the 20MHz channels. The wiphy band data only needs those which get
5246 * flagged to indicate if they can take part in higher bandwidth.
5247 */
5248static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
5249 struct brcmf_chanspec_list *chlist,
5250 u32 chcnt[])
5251{
5252 u32 total = le32_to_cpu(chlist->count);
5253 struct brcmu_chan ch;
5254 int i;
5255
f8adaf0a 5256 for (i = 0; i < total; i++) {
b48d8916
AS		 5257 ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
5258 cfg->d11inf.decchspec(&ch);
5259
5260 /* Firmware gives a ordered list. We skip non-20MHz
5261 * channels is 2G. For 5G we can abort upon reaching
5262 * a non-20MHz channel in the list.
5263 */
5264 if (ch.bw != BRCMU_CHAN_BW_20) {
5265 if (ch.band == BRCMU_CHAN_BAND_5G)
5266 break;
5267 else
5268 continue;
5269 }
5270
5271 if (ch.band == BRCMU_CHAN_BAND_2G)
5272 chcnt[0] += 1;
5273 else if (ch.band == BRCMU_CHAN_BAND_5G)
5274 chcnt[1] += 1;
5275 }
5276}
5277
5278static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
5279 struct brcmu_chan *ch)
5280{
5281 u32 ht40_flag;
d48200ba 5282
b48d8916
AS		 5283 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
5284 if (ch->sb == BRCMU_CHAN_SB_U) {
5285 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5286 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5287 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5288 } else {
5289 /* It should be one of
5290 * IEEE80211_CHAN_NO_HT40 or
5291 * IEEE80211_CHAN_NO_HT40PLUS
5292 */
5293 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5294 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5295 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5296 }
5297}
5298
5299static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5300 u32 bw_cap[])
d48200ba
HM		 5301{
5302 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
b48d8916
AS		 5303 struct ieee80211_supported_band *band;
5304 struct ieee80211_channel *channel;
5305 struct wiphy *wiphy;
d48200ba 5306 struct brcmf_chanspec_list *list;
83cf17aa 5307 struct brcmu_chan ch;
b48d8916 5308 int err;
d48200ba
HM		 5309 u8 *pbuf;
5310 u32 i, j;
5311 u32 total;
b48d8916
AS		 5312 u32 chaninfo;
5313 u32 chcnt[2] = { 0, 0 };
d48200ba 5314 u32 index;
d48200ba
HM		 5315
5316 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5317
5318 if (pbuf == NULL)
5319 return -ENOMEM;
5320
5321 list = (struct brcmf_chanspec_list *)pbuf;
5322
5323 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5324 BRCMF_DCMD_MEDLEN);
5325 if (err) {
5326 brcmf_err("get chanspecs error (%d)\n", err);
b48d8916 5327 goto fail_pbuf;
d48200ba
HM		 5328 }
5329
b48d8916
AS		 5330 brcmf_count_20mhz_channels(cfg, list, chcnt);
5331 wiphy = cfg_to_wiphy(cfg);
5332 if (chcnt[0]) {
5333 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
5334 GFP_KERNEL);
5335 if (band == NULL) {
5336 err = -ENOMEM;
5337 goto fail_pbuf;
5338 }
5339 band->channels = kcalloc(chcnt[0], sizeof(*channel),
5340 GFP_KERNEL);
5341 if (band->channels == NULL) {
5342 kfree(band);
5343 err = -ENOMEM;
5344 goto fail_pbuf;
5345 }
5346 band->n_channels = 0;
5347 wiphy->bands[IEEE80211_BAND_2GHZ] = band;
5348 }
5349 if (chcnt[1]) {
5350 band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
5351 GFP_KERNEL);
5352 if (band == NULL) {
5353 err = -ENOMEM;
5354 goto fail_band2g;
5355 }
5356 band->channels = kcalloc(chcnt[1], sizeof(*channel),
5357 GFP_KERNEL);
5358 if (band->channels == NULL) {
5359 kfree(band);
5360 err = -ENOMEM;
5361 goto fail_band2g;
5362 }
5363 band->n_channels = 0;
5364 wiphy->bands[IEEE80211_BAND_5GHZ] = band;
5365 }
d48200ba
HM		 5366
5367 total = le32_to_cpu(list->count);
5368 for (i = 0; i < total; i++) {
83cf17aa
FL		 5369 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5370 cfg->d11inf.decchspec(&ch);
d48200ba 5371
83cf17aa 5372 if (ch.band == BRCMU_CHAN_BAND_2G) {
b48d8916 5373 band = wiphy->bands[IEEE80211_BAND_2GHZ];
83cf17aa 5374 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
b48d8916 5375 band = wiphy->bands[IEEE80211_BAND_5GHZ];
d48200ba 5376 } else {
2375d970 5377 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
d48200ba
HM		 5378 continue;
5379 }
b48d8916 5380 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
2375d970 5381 ch.bw == BRCMU_CHAN_BW_40)
d48200ba 5382 continue;
b48d8916 5383 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
ee942ecc
AS		 5384 ch.bw == BRCMU_CHAN_BW_80)
5385 continue;
b48d8916
AS		 5386
5387 channel = band->channels;
5388 index = band->n_channels;
5389 for (j = 0; j < band->n_channels; j++) {
5390 if (channel[j].hw_value == ch.chnum) {
5391 index = j;
d48200ba
HM		 5392 break;
5393 }
5394 }
b48d8916
AS		 5395 channel[index].center_freq =
5396 ieee80211_channel_to_frequency(ch.chnum, band->band);
5397 channel[index].hw_value = ch.chnum;
5398
5399 /* assuming the chanspecs order is HT20,
5400 * HT40 upper, HT40 lower, and VHT80.
5401 */
5402 if (ch.bw == BRCMU_CHAN_BW_80) {
5403 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5404 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5405 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5406 } else {
5407 /* disable other bandwidths for now as mentioned
5408 * order assure they are enabled for subsequent
5409 * chanspecs.
ee942ecc 5410 */
b48d8916
AS		 5411 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5412 IEEE80211_CHAN_NO_80MHZ;
5413 ch.bw = BRCMU_CHAN_BW_20;
5414 cfg->d11inf.encchspec(&ch);
5415 chaninfo = ch.chspec;
5416 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5417 &chaninfo);
5418 if (!err) {
5419 if (chaninfo & WL_CHAN_RADAR)
5420 channel[index].flags |=
5421 (IEEE80211_CHAN_RADAR |
5422 IEEE80211_CHAN_NO_IR);
5423 if (chaninfo & WL_CHAN_PASSIVE)
5424 channel[index].flags |=
5425 IEEE80211_CHAN_NO_IR;
d48200ba 5426 }
d48200ba 5427 }
b48d8916
AS		 5428 if (index == band->n_channels)
5429 band->n_channels++;
d48200ba 5430 }
b48d8916
AS		 5431 kfree(pbuf);
5432 return 0;
5433
5434fail_band2g:
5435 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5436 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5437 wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
5438fail_pbuf:
d48200ba
HM		 5439 kfree(pbuf);
5440 return err;
5441}
5442
b48d8916 5443static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
aa70b4fa 5444{
b48d8916
AS		 5445 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5446 struct ieee80211_supported_band *band;
aa70b4fa 5447 struct brcmf_fil_bwcap_le band_bwcap;
b48d8916
AS		 5448 struct brcmf_chanspec_list *list;
5449 u8 *pbuf;
aa70b4fa
AS		 5450 u32 val;
5451 int err;
b48d8916
AS		 5452 struct brcmu_chan ch;
5453 u32 num_chan;
5454 int i, j;
aa70b4fa
AS		 5455
5456 /* verify support for bw_cap command */
5457 val = WLC_BAND_5G;
5458 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5459
5460 if (!err) {
5461 /* only set 2G bandwidth using bw_cap command */
5462 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5463 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5464 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5465 sizeof(band_bwcap));
5466 } else {
5467 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5468 val = WLC_N_BW_40ALL;
5469 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5470 }
b48d8916
AS		 5471
5472 if (!err) {
5473 /* update channel info in 2G band */
5474 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5475
5476 if (pbuf == NULL)
5477 return -ENOMEM;
5478
5479 ch.band = BRCMU_CHAN_BAND_2G;
5480 ch.bw = BRCMU_CHAN_BW_40;
fac7d2a3 5481 ch.sb = BRCMU_CHAN_SB_NONE;
b48d8916
AS		 5482 ch.chnum = 0;
5483 cfg->d11inf.encchspec(&ch);
5484
5485 /* pass encoded chanspec in query */
5486 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5487
5488 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5489 BRCMF_DCMD_MEDLEN);
5490 if (err) {
5491 brcmf_err("get chanspecs error (%d)\n", err);
5492 kfree(pbuf);
5493 return err;
5494 }
5495
5496 band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
5497 list = (struct brcmf_chanspec_list *)pbuf;
5498 num_chan = le32_to_cpu(list->count);
5499 for (i = 0; i < num_chan; i++) {
5500 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5501 cfg->d11inf.decchspec(&ch);
5502 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5503 continue;
5504 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5505 continue;
5506 for (j = 0; j < band->n_channels; j++) {
5507 if (band->channels[j].hw_value == ch.chnum)
5508 break;
5509 }
5510 if (WARN_ON(j == band->n_channels))
5511 continue;
5512
5513 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5514 }
fac7d2a3 5515 kfree(pbuf);
b48d8916 5516 }
aa70b4fa
AS		 5517 return err;
5518}
5519
2375d970
AS		 5520static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5521{
5522 u32 band, mimo_bwcap;
5523 int err;
5524
5525 band = WLC_BAND_2G;
5526 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5527 if (!err) {
5528 bw_cap[IEEE80211_BAND_2GHZ] = band;
5529 band = WLC_BAND_5G;
5530 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5531 if (!err) {
5532 bw_cap[IEEE80211_BAND_5GHZ] = band;
5533 return;
5534 }
5535 WARN_ON(1);
5536 return;
5537 }
5538 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5539 mimo_bwcap = 0;
5540 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5541 if (err)
5542 /* assume 20MHz if firmware does not give a clue */
5543 mimo_bwcap = WLC_N_BW_20ALL;
5544
5545 switch (mimo_bwcap) {
5546 case WLC_N_BW_40ALL:
5547 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
5548 /* fall-thru */
5549 case WLC_N_BW_20IN2G_40IN5G:
5550 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
5551 /* fall-thru */
5552 case WLC_N_BW_20ALL:
5553 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5554 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
5555 break;
5556 default:
5557 brcmf_err("invalid mimo_bw_cap value\n");
5558 }
5559}
d48200ba 5560
18d6c535
AS		 5561static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5562 u32 bw_cap[2], u32 nchain)
5563{
5564 band->ht_cap.ht_supported = true;
5565 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5566 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5567 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5568 }
5569 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5570 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5571 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5572 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5573 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5574 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5575}
5576
5577static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
5578{
5579 u16 mcs_map;
5580 int i;
5581
5582 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
5583 mcs_map = (mcs_map << 2) | supp;
5584
5585 return cpu_to_le16(mcs_map);
5586}
5587
5588static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
5589 u32 bw_cap[2], u32 nchain)
5590{
5591 __le16 mcs_map;
5592
5593 /* not allowed in 2.4G band */
5594 if (band->band == IEEE80211_BAND_2GHZ)
5595 return;
5596
5597 band->vht_cap.vht_supported = true;
5598 /* 80MHz is mandatory */
5599 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
5600 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
5601 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
5602 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
5603 }
5604 /* all support 256-QAM */
5605 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
5606 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
5607 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
5608}
5609
b48d8916 5610static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5b435de0 5611{
b48d8916 5612 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
ac24be6f 5613 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
18d6c535
AS		 5614 u32 nmode = 0;
5615 u32 vhtmode = 0;
b48d8916 5616 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
4aca7a18
DK		 5617 u32 rxchain;
5618 u32 nchain;
b48d8916 5619 int err;
d48200ba 5620 s32 i;
2375d970 5621 struct ieee80211_supported_band *band;
5b435de0 5622
18d6c535 5623 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
d48200ba
HM		 5624 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
5625 if (err) {
5626 brcmf_err("nmode error (%d)\n", err);
5627 } else {
2375d970 5628 brcmf_get_bwcap(ifp, bw_cap);
d48200ba 5629 }
18d6c535
AS		 5630 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
5631 nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
5632 bw_cap[IEEE80211_BAND_5GHZ]);
d48200ba 5633
4aca7a18
DK		 5634 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
5635 if (err) {
5636 brcmf_err("rxchain error (%d)\n", err);
5637 nchain = 1;
5638 } else {
5639 for (nchain = 0; rxchain; nchain++)
5640 rxchain = rxchain & (rxchain - 1);
5641 }
5642 brcmf_dbg(INFO, "nchain=%d\n", nchain);
5643
b48d8916 5644 err = brcmf_construct_chaninfo(cfg, bw_cap);
d48200ba 5645 if (err) {
b48d8916 5646 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
d48200ba
HM		 5647 return err;
5648 }
5649
b48d8916
AS		 5650 wiphy = cfg_to_wiphy(cfg);
5651 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
5652 band = wiphy->bands[i];
5653 if (band == NULL)
2375d970 5654 continue;
d48200ba 5655
18d6c535
AS		 5656 if (nmode)
5657 brcmf_update_ht_cap(band, bw_cap, nchain);
5658 if (vhtmode)
5659 brcmf_update_vht_cap(band, bw_cap, nchain);
d48200ba
HM		 5660 }
5661
b48d8916 5662 return 0;
5b435de0
AS		 5663}
5664
a44aa400
HM		 5665static const struct ieee80211_iface_limit brcmf_iface_limits_mbss[] = {
5666 {
5667 .max = 1,
5668 .types = BIT(NL80211_IFTYPE_STATION) |
5669 BIT(NL80211_IFTYPE_ADHOC)
5670 },
5671 {
5672 .max = 4,
5673 .types = BIT(NL80211_IFTYPE_AP)
5674 },
5675 {
5676 .max = 1,
5677 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5678 BIT(NL80211_IFTYPE_P2P_GO)
5679 },
5680 {
5681 .max = 1,
5682 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5683 }
5684};
5685
5686static const struct ieee80211_iface_limit brcmf_iface_limits_sbss[] = {
aa70b4fa
AS		 5687 {
5688 .max = 2,
5689 .types = BIT(NL80211_IFTYPE_STATION) |
5690 BIT(NL80211_IFTYPE_ADHOC) |
5691 BIT(NL80211_IFTYPE_AP)
5692 },
5693 {
5694 .max = 1,
5695 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5696 BIT(NL80211_IFTYPE_P2P_GO)
5697 },
5698 {
5699 .max = 1,
5700 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5701 }
5702};
5703static struct ieee80211_iface_combination brcmf_iface_combos[] = {
5704 {
5705 .max_interfaces = BRCMF_IFACE_MAX_CNT,
5706 .num_different_channels = 1,
a44aa400
HM		 5707 .n_limits = ARRAY_SIZE(brcmf_iface_limits_sbss),
5708 .limits = brcmf_iface_limits_sbss,
aa70b4fa
AS		 5709 }
5710};
5711
5712static const struct ieee80211_txrx_stypes
5713brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
5714 [NL80211_IFTYPE_STATION] = {
5715 .tx = 0xffff,
5716 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5717 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5718 },
5719 [NL80211_IFTYPE_P2P_CLIENT] = {
5720 .tx = 0xffff,
5721 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5722 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5723 },
5724 [NL80211_IFTYPE_P2P_GO] = {
5725 .tx = 0xffff,
5726 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
5727 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
5728 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
5729 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
5730 BIT(IEEE80211_STYPE_AUTH >> 4) |
5731 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
5732 BIT(IEEE80211_STYPE_ACTION >> 4)
5733 },
5734 [NL80211_IFTYPE_P2P_DEVICE] = {
5735 .tx = 0xffff,
5736 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5737 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5738 }
5739};
5740
5741static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
5742{
5743 /* scheduled scan settings */
5744 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
5745 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
5746 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5747 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
5748}
5749
4eb3af7c
HM		 5750#ifdef CONFIG_PM
5751static const struct wiphy_wowlan_support brcmf_wowlan_support = {
5752 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
b9a82f89
HM		 5753 .n_patterns = BRCMF_WOWL_MAXPATTERNS,
5754 .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
5755 .pattern_min_len = 1,
5756 .max_pkt_offset = 1500,
4eb3af7c
HM		 5757};
5758#endif
5759
5760static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
5761{
5762#ifdef CONFIG_PM
5763 /* wowl settings */
5764 wiphy->wowlan = &brcmf_wowlan_support;
5765#endif
5766}
5767
b48d8916 5768static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
aa70b4fa 5769{
b48d8916 5770 struct ieee80211_iface_combination ifc_combo;
aa70b4fa
AS		 5771 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
5772 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5773 wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
5774 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
5775 BIT(NL80211_IFTYPE_ADHOC) |
5776 BIT(NL80211_IFTYPE_AP) |
5777 BIT(NL80211_IFTYPE_P2P_CLIENT) |
5778 BIT(NL80211_IFTYPE_P2P_GO) |
5779 BIT(NL80211_IFTYPE_P2P_DEVICE);
5780 /* need VSDB firmware feature for concurrent channels */
b48d8916 5781 ifc_combo = brcmf_iface_combos[0];
aa70b4fa 5782 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
b48d8916 5783 ifc_combo.num_different_channels = 2;
a44aa400
HM		 5784 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) {
5785 ifc_combo.n_limits = ARRAY_SIZE(brcmf_iface_limits_mbss),
5786 ifc_combo.limits = brcmf_iface_limits_mbss;
5787 }
b48d8916
AS		 5788 wiphy->iface_combinations = kmemdup(&ifc_combo,
5789 sizeof(ifc_combo),
5790 GFP_KERNEL);
aa70b4fa 5791 wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
aa70b4fa
AS		 5792 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
5793 wiphy->cipher_suites = __wl_cipher_suites;
5794 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
5795 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
5796 WIPHY_FLAG_OFFCHAN_TX |
5797 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
5798 WIPHY_FLAG_SUPPORTS_TDLS;
5799 if (!brcmf_roamoff)
5800 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
5801 wiphy->mgmt_stypes = brcmf_txrx_stypes;
5802 wiphy->max_remain_on_channel_duration = 5000;
5803 brcmf_wiphy_pno_params(wiphy);
aa70b4fa
AS		 5804
5805 /* vendor commands/events support */
5806 wiphy->vendor_commands = brcmf_vendor_cmds;
5807 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
5808
4eb3af7c
HM		 5809 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
5810 brcmf_wiphy_wowl_params(wiphy);
5811
b48d8916 5812 return brcmf_setup_wiphybands(wiphy);
5b435de0
AS		 5813}
5814
27a68fe3 5815static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5816{
5817 struct net_device *ndev;
5818 struct wireless_dev *wdev;
40a23296 5819 struct brcmf_if *ifp;
5b435de0
AS		 5820 s32 power_mode;
5821 s32 err = 0;
5822
27a68fe3 5823 if (cfg->dongle_up)
5b435de0
AS		 5824 return err;
5825
27a68fe3 5826 ndev = cfg_to_ndev(cfg);
5b435de0 5827 wdev = ndev->ieee80211_ptr;
40a23296
HM		 5828 ifp = netdev_priv(ndev);
5829
5830 /* make sure RF is ready for work */
5831 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5b435de0 5832
40a23296
HM		 5833 brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
5834 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
5b435de0 5835
27a68fe3 5836 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
40a23296 5837 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5b435de0
AS		 5838 if (err)
5839 goto default_conf_out;
647c9ae0
AS		 5840 brcmf_dbg(INFO, "power save set to %s\n",
5841 (power_mode ? "enabled" : "disabled"));
5b435de0 5842
68ca395f 5843 err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
5b435de0
AS		 5844 if (err)
5845 goto default_conf_out;
5dd161ff
FL		 5846 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
5847 NULL, NULL);
40a23296 5848 if (err)
5b435de0 5849 goto default_conf_out;
5b435de0 5850
b3657453
HM		 5851 brcmf_configure_arp_offload(ifp, true);
5852
27a68fe3 5853 cfg->dongle_up = true;
40a23296 5854default_conf_out:
5b435de0
AS		 5855
5856 return err;
5857
5858}
5859
bdf5ff51 5860static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5b435de0 5861{
c1179033 5862 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5863
bdf5ff51 5864 return brcmf_config_dongle(ifp->drvr->config);
5b435de0
AS		 5865}
5866
bdf5ff51 5867static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5b435de0 5868{
bdf5ff51 5869 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
c1179033 5870
5b435de0
AS		 5871 /*
5872 * While going down, if associated with AP disassociate
5873 * from AP to save power
5874 */
903e0eee
AS		 5875 if (check_vif_up(ifp->vif)) {
5876 brcmf_link_down(ifp->vif);
5b435de0
AS		 5877
5878 /* Make sure WPA_Supplicant receives all the event
5879 generated due to DISASSOC call to the fw to keep
5880 the state fw and WPA_Supplicant state consistent
5881 */
5882 brcmf_delay(500);
5883 }
5884
27a68fe3 5885 brcmf_abort_scanning(cfg);
c1179033 5886 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5887
5b435de0
AS		 5888 return 0;
5889}
5890
bdf5ff51 5891s32 brcmf_cfg80211_up(struct net_device *ndev)
5b435de0 5892{
bdf5ff51
AS		 5893 struct brcmf_if *ifp = netdev_priv(ndev);
5894 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5895 s32 err = 0;
5896
27a68fe3 5897 mutex_lock(&cfg->usr_sync);
bdf5ff51 5898 err = __brcmf_cfg80211_up(ifp);
27a68fe3 5899 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5900
5901 return err;
5902}
5903
bdf5ff51 5904s32 brcmf_cfg80211_down(struct net_device *ndev)
5b435de0 5905{
bdf5ff51
AS		 5906 struct brcmf_if *ifp = netdev_priv(ndev);
5907 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5908 s32 err = 0;
5909
27a68fe3 5910 mutex_lock(&cfg->usr_sync);
bdf5ff51 5911 err = __brcmf_cfg80211_down(ifp);
27a68fe3 5912 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5913
5914 return err;
5915}
5916
a7965fbb
AS		 5917enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
5918{
5919 struct wireless_dev *wdev = &ifp->vif->wdev;
5920
5921 return wdev->iftype;
5922}
5923
bfe81975
HM		 5924bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
5925 unsigned long state)
9f440b7b
AS		 5926{
5927 struct brcmf_cfg80211_vif *vif;
9f440b7b
AS		 5928
5929 list_for_each_entry(vif, &cfg->vif_list, list) {
5930 if (test_bit(state, &vif->sme_state))
e843bb19 5931 return true;
9f440b7b 5932 }
e843bb19 5933 return false;
9f440b7b 5934}
d3c0b633
AS		 5935
5936static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
5937 u8 action)
5938{
5939 u8 evt_action;
5940
5941 mutex_lock(&event->vif_event_lock);
5942 evt_action = event->action;
5943 mutex_unlock(&event->vif_event_lock);
5944 return evt_action == action;
5945}
5946
5947void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
5948 struct brcmf_cfg80211_vif *vif)
5949{
5950 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5951
5952 mutex_lock(&event->vif_event_lock);
5953 event->vif = vif;
5954 event->action = 0;
5955 mutex_unlock(&event->vif_event_lock);
5956}
5957
5958bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
5959{
5960 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5961 bool armed;
5962
5963 mutex_lock(&event->vif_event_lock);
5964 armed = event->vif != NULL;
5965 mutex_unlock(&event->vif_event_lock);
5966
5967 return armed;
5968}
5969int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
5970 u8 action, ulong timeout)
5971{
5972 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5973
5974 return wait_event_timeout(event->vif_wq,
5975 vif_event_equals(event, action), timeout);
5976}
5977
63db1a49
AS		 5978static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy,
5979 struct regulatory_request *req)
5980{
5981 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
5982 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5983 struct brcmf_fil_country_le ccreq;
5984 int i;
5985
5986 brcmf_dbg(TRACE, "enter: initiator=%d, alpha=%c%c\n", req->initiator,
5987 req->alpha2[0], req->alpha2[1]);
5988
5989 /* ignore non-ISO3166 country codes */
5990 for (i = 0; i < sizeof(req->alpha2); i++)
5991 if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
5992 brcmf_err("not a ISO3166 code\n");
5993 return;
5994 }
5995 memset(&ccreq, 0, sizeof(ccreq));
5996 ccreq.rev = cpu_to_le32(-1);
5997 memcpy(ccreq.ccode, req->alpha2, sizeof(req->alpha2));
5998 brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq));
5999}
6000
b48d8916
AS		 6001static void brcmf_free_wiphy(struct wiphy *wiphy)
6002{
6003 kfree(wiphy->iface_combinations);
6004 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
6005 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
6006 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
6007 }
6008 if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
6009 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
6010 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
6011 }
6012 wiphy_free(wiphy);
6013}
6014
ccfd1e81
AS		 6015struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
6016 struct device *busdev)
6017{
6018 struct net_device *ndev = drvr->iflist[0]->ndev;
6019 struct brcmf_cfg80211_info *cfg;
6020 struct wiphy *wiphy;
6021 struct brcmf_cfg80211_vif *vif;
6022 struct brcmf_if *ifp;
6023 s32 err = 0;
6024 s32 io_type;
b48d8916 6025 u16 *cap = NULL;
ccfd1e81
AS		 6026
6027 if (!ndev) {
6028 brcmf_err("ndev is invalid\n");
6029 return NULL;
6030 }
6031
6032 ifp = netdev_priv(ndev);
b48d8916
AS		 6033 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
6034 if (!wiphy) {
6035 brcmf_err("Could not allocate wiphy device\n");
ccfd1e81 6036 return NULL;
b48d8916
AS		 6037 }
6038 set_wiphy_dev(wiphy, busdev);
ccfd1e81
AS		 6039
6040 cfg = wiphy_priv(wiphy);
6041 cfg->wiphy = wiphy;
6042 cfg->pub = drvr;
6043 init_vif_event(&cfg->vif_event);
6044 INIT_LIST_HEAD(&cfg->vif_list);
6045
6046 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
b48d8916
AS		 6047 if (IS_ERR(vif))
6048 goto wiphy_out;
ccfd1e81
AS		 6049
6050 vif->ifp = ifp;
6051 vif->wdev.netdev = ndev;
6052 ndev->ieee80211_ptr = &vif->wdev;
6053 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
6054
6055 err = wl_init_priv(cfg);
6056 if (err) {
6057 brcmf_err("Failed to init iwm_priv (%d)\n", err);
b48d8916
AS		 6058 brcmf_free_vif(vif);
6059 goto wiphy_out;
ccfd1e81
AS		 6060 }
6061 ifp->vif = vif;
6062
b48d8916
AS		 6063 /* determine d11 io type before wiphy setup */
6064 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
ccfd1e81 6065 if (err) {
b48d8916
AS		 6066 brcmf_err("Failed to get D11 version (%d)\n", err);
6067 goto priv_out;
ccfd1e81 6068 }
b48d8916
AS		 6069 cfg->d11inf.io_type = (u8)io_type;
6070 brcmu_d11_attach(&cfg->d11inf);
6071
6072 err = brcmf_setup_wiphy(wiphy, ifp);
6073 if (err < 0)
6074 goto priv_out;
6075
6076 brcmf_dbg(INFO, "Registering custom regulatory\n");
63db1a49 6077 wiphy->reg_notifier = brcmf_cfg80211_reg_notifier;
b48d8916
AS		 6078 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
6079 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
6080
6081 /* firmware defaults to 40MHz disabled in 2G band. We signal
6082 * cfg80211 here that we do and have it decide we can enable
6083 * it. But first check if device does support 2G operation.
6084 */
6085 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
6086 cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
6087 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6088 }
6089 err = wiphy_register(wiphy);
6090 if (err < 0) {
6091 brcmf_err("Could not register wiphy device (%d)\n", err);
6092 goto priv_out;
ccfd1e81
AS		 6093 }
6094
6095 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
6096 * setup 40MHz in 2GHz band and enable OBSS scanning.
6097 */
b48d8916
AS		 6098 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
6099 err = brcmf_enable_bw40_2g(cfg);
ccfd1e81
AS		 6100 if (!err)
6101 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
6102 BRCMF_OBSS_COEX_AUTO);
b48d8916
AS		 6103 else
6104 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ccfd1e81 6105 }
ccfd1e81 6106
b48d8916 6107 err = brcmf_p2p_attach(cfg);
ccfd1e81 6108 if (err) {
b48d8916
AS		 6109 brcmf_err("P2P initilisation failed (%d)\n", err);
6110 goto wiphy_unreg_out;
6111 }
6112 err = brcmf_btcoex_attach(cfg);
6113 if (err) {
6114 brcmf_err("BT-coex initialisation failed (%d)\n", err);
6115 brcmf_p2p_detach(&cfg->p2p);
6116 goto wiphy_unreg_out;
ccfd1e81
AS		 6117 }
6118
b48d8916 6119 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
ccfd1e81 6120 if (err) {
b48d8916
AS		 6121 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
6122 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
70b7d94b
HM		 6123 } else {
6124 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
6125 brcmf_notify_tdls_peer_event);
ccfd1e81 6126 }
ccfd1e81
AS		 6127
6128 return cfg;
6129
b48d8916
AS		 6130wiphy_unreg_out:
6131 wiphy_unregister(cfg->wiphy);
6132priv_out:
ccfd1e81 6133 wl_deinit_priv(cfg);
ccfd1e81 6134 brcmf_free_vif(vif);
b48d8916
AS		 6135wiphy_out:
6136 brcmf_free_wiphy(wiphy);
ccfd1e81
AS		 6137 return NULL;
6138}
6139
6140void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
6141{
6142 if (!cfg)
6143 return;
6144
6145 WARN_ON(!list_empty(&cfg->vif_list));
6146 wiphy_unregister(cfg->wiphy);
6147 brcmf_btcoex_detach(cfg);
c3da74bb 6148 brcmf_p2p_detach(&cfg->p2p);
ccfd1e81 6149 wl_deinit_priv(cfg);
b48d8916 6150 brcmf_free_wiphy(cfg->wiphy);
ccfd1e81 6151}
Linux kernel - Deliverables
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