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brcmfmac: Change error log in standard log for rxbufpost.
[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"
5b435de0 41
e5806072
AS		 42#define BRCMF_SCAN_IE_LEN_MAX 2048
43#define BRCMF_PNO_VERSION 2
44#define BRCMF_PNO_TIME 30
45#define BRCMF_PNO_REPEAT 4
46#define BRCMF_PNO_FREQ_EXPO_MAX 3
47#define BRCMF_PNO_MAX_PFN_COUNT 16
48#define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
49#define BRCMF_PNO_HIDDEN_BIT 2
50#define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
51#define BRCMF_PNO_SCAN_COMPLETE 1
52#define BRCMF_PNO_SCAN_INCOMPLETE 0
53
9f440b7b 54#define BRCMF_IFACE_MAX_CNT 3
3eacf866 55
1a873342
HM		 56#define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
57#define WPA_OUI_TYPE 1
58#define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
59#define WME_OUI_TYPE 2
89286dc9 60#define WPS_OUI_TYPE 4
1a873342
HM		 61
62#define VS_IE_FIXED_HDR_LEN 6
63#define WPA_IE_VERSION_LEN 2
64#define WPA_IE_MIN_OUI_LEN 4
65#define WPA_IE_SUITE_COUNT_LEN 2
66
67#define WPA_CIPHER_NONE 0 /* None */
68#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
69#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
70#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
71#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
72
73#define RSN_AKM_NONE 0 /* None (IBSS) */
74#define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
75#define RSN_AKM_PSK 2 /* Pre-shared Key */
76#define RSN_CAP_LEN 2 /* Length of RSN capabilities */
77#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
78
79#define VNDR_IE_CMD_LEN 4 /* length of the set command
80 * string :"add", "del" (+ NUL)
81 */
82#define VNDR_IE_COUNT_OFFSET 4
83#define VNDR_IE_PKTFLAG_OFFSET 8
84#define VNDR_IE_VSIE_OFFSET 12
85#define VNDR_IE_HDR_SIZE 12
9f440b7b 86#define VNDR_IE_PARSE_LIMIT 5
1a873342
HM		 87
88#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
89#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
04012895 90
89286dc9
HM		 91#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
92#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
93#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
94
5b435de0
AS		 95#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
96 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
97
ce81e317 98static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
5b435de0 99{
c1179033 100 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
647c9ae0
AS		 101 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
102 vif->sme_state);
5b435de0
AS		 103 return false;
104 }
105 return true;
106}
107
5b435de0
AS		 108#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
109#define RATETAB_ENT(_rateid, _flags) \
110 { \
111 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
112 .hw_value = (_rateid), \
113 .flags = (_flags), \
114 }
115
116static struct ieee80211_rate __wl_rates[] = {
117 RATETAB_ENT(BRCM_RATE_1M, 0),
118 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
119 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
120 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
121 RATETAB_ENT(BRCM_RATE_6M, 0),
122 RATETAB_ENT(BRCM_RATE_9M, 0),
123 RATETAB_ENT(BRCM_RATE_12M, 0),
124 RATETAB_ENT(BRCM_RATE_18M, 0),
125 RATETAB_ENT(BRCM_RATE_24M, 0),
126 RATETAB_ENT(BRCM_RATE_36M, 0),
127 RATETAB_ENT(BRCM_RATE_48M, 0),
128 RATETAB_ENT(BRCM_RATE_54M, 0),
129};
130
131#define wl_a_rates (__wl_rates + 4)
132#define wl_a_rates_size 8
133#define wl_g_rates (__wl_rates + 0)
134#define wl_g_rates_size 12
135
b48d8916
AS		 136/* Band templates duplicated per wiphy. The channel info
137 * is filled in after querying the device.
138 */
139static const struct ieee80211_supported_band __wl_band_2ghz = {
5b435de0 140 .band = IEEE80211_BAND_2GHZ,
5b435de0
AS		 141 .bitrates = wl_g_rates,
142 .n_bitrates = wl_g_rates_size,
143};
144
b48d8916 145static const struct ieee80211_supported_band __wl_band_5ghz_a = {
5b435de0 146 .band = IEEE80211_BAND_5GHZ,
5b435de0
AS		 147 .bitrates = wl_a_rates,
148 .n_bitrates = wl_a_rates_size,
149};
150
d48200ba
HM		 151/* This is to override regulatory domains defined in cfg80211 module (reg.c)
152 * By default world regulatory domain defined in reg.c puts the flags
8fe02e16
LR		 153 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
154 * With respect to these flags, wpa_supplicant doesn't * start p2p
155 * operations on 5GHz channels. All the changes in world regulatory
d48200ba
HM		 156 * domain are to be done here.
157 */
158static const struct ieee80211_regdomain brcmf_regdom = {
159 .n_reg_rules = 4,
160 .alpha2 = "99",
161 .reg_rules = {
162 /* IEEE 802.11b/g, channels 1..11 */
163 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
164 /* If any */
165 /* IEEE 802.11 channel 14 - Only JP enables
166 * this and for 802.11b only
167 */
168 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
169 /* IEEE 802.11a, channel 36..64 */
c555ecde 170 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
d48200ba 171 /* IEEE 802.11a, channel 100..165 */
c555ecde 172 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
5b435de0
AS		 173};
174
175static const u32 __wl_cipher_suites[] = {
176 WLAN_CIPHER_SUITE_WEP40,
177 WLAN_CIPHER_SUITE_WEP104,
178 WLAN_CIPHER_SUITE_TKIP,
179 WLAN_CIPHER_SUITE_CCMP,
180 WLAN_CIPHER_SUITE_AES_CMAC,
181};
182
1a873342
HM		 183/* Vendor specific ie. id = 221, oui and type defines exact ie */
184struct brcmf_vs_tlv {
185 u8 id;
186 u8 len;
187 u8 oui[3];
188 u8 oui_type;
189};
190
191struct parsed_vndr_ie_info {
192 u8 *ie_ptr;
193 u32 ie_len; /* total length including id & length field */
194 struct brcmf_vs_tlv vndrie;
195};
196
197struct parsed_vndr_ies {
198 u32 count;
9f440b7b 199 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
1a873342
HM		 200};
201
68ca395f
HM		 202static int brcmf_roamoff;
203module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
204MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
205
ef6ac17a
AB		 206/* Quarter dBm units to mW
207 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
208 * Table is offset so the last entry is largest mW value that fits in
209 * a u16.
210 */
211
212#define QDBM_OFFSET 153 /* Offset for first entry */
213#define QDBM_TABLE_LEN 40 /* Table size */
214
215/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
216 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
217 */
218#define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
219
220/* Largest mW value that will round down to the last table entry,
221 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
222 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
223 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
224 */
225#define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
226
227static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
228/* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
229/* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
230/* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
231/* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
232/* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
233/* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
234};
235
236static u16 brcmf_qdbm_to_mw(u8 qdbm)
237{
238 uint factor = 1;
239 int idx = qdbm - QDBM_OFFSET;
240
241 if (idx >= QDBM_TABLE_LEN)
242 /* clamp to max u16 mW value */
243 return 0xFFFF;
244
245 /* scale the qdBm index up to the range of the table 0-40
246 * where an offset of 40 qdBm equals a factor of 10 mW.
247 */
248 while (idx < 0) {
249 idx += 40;
250 factor *= 10;
251 }
252
253 /* return the mW value scaled down to the correct factor of 10,
254 * adding in factor/2 to get proper rounding.
255 */
256 return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
257}
258
259static u8 brcmf_mw_to_qdbm(u16 mw)
260{
261 u8 qdbm;
262 int offset;
263 uint mw_uint = mw;
264 uint boundary;
265
266 /* handle boundary case */
267 if (mw_uint <= 1)
268 return 0;
269
270 offset = QDBM_OFFSET;
271
272 /* move mw into the range of the table */
273 while (mw_uint < QDBM_TABLE_LOW_BOUND) {
274 mw_uint *= 10;
275 offset -= 40;
276 }
277
278 for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
279 boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
280 nqdBm_to_mW_map[qdbm]) / 2;
281 if (mw_uint < boundary)
282 break;
283 }
284
285 qdbm += (u8) offset;
286
287 return qdbm;
288}
289
5a394eba
AS		 290static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
291 struct cfg80211_chan_def *ch)
600a897d
AS		 292{
293 struct brcmu_chan ch_inf;
294 s32 primary_offset;
295
296 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
297 ch->chan->center_freq, ch->center_freq1, ch->width);
298 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
299 primary_offset = ch->center_freq1 - ch->chan->center_freq;
300 switch (ch->width) {
301 case NL80211_CHAN_WIDTH_20:
0cd75b19 302 case NL80211_CHAN_WIDTH_20_NOHT:
600a897d
AS		 303 ch_inf.bw = BRCMU_CHAN_BW_20;
304 WARN_ON(primary_offset != 0);
305 break;
306 case NL80211_CHAN_WIDTH_40:
307 ch_inf.bw = BRCMU_CHAN_BW_40;
308 if (primary_offset < 0)
309 ch_inf.sb = BRCMU_CHAN_SB_U;
310 else
311 ch_inf.sb = BRCMU_CHAN_SB_L;
312 break;
313 case NL80211_CHAN_WIDTH_80:
314 ch_inf.bw = BRCMU_CHAN_BW_80;
315 if (primary_offset < 0) {
316 if (primary_offset < -CH_10MHZ_APART)
317 ch_inf.sb = BRCMU_CHAN_SB_UU;
318 else
319 ch_inf.sb = BRCMU_CHAN_SB_UL;
320 } else {
321 if (primary_offset > CH_10MHZ_APART)
322 ch_inf.sb = BRCMU_CHAN_SB_LL;
323 else
324 ch_inf.sb = BRCMU_CHAN_SB_LU;
325 }
326 break;
0cd75b19
AS		 327 case NL80211_CHAN_WIDTH_80P80:
328 case NL80211_CHAN_WIDTH_160:
329 case NL80211_CHAN_WIDTH_5:
330 case NL80211_CHAN_WIDTH_10:
600a897d
AS		 331 default:
332 WARN_ON_ONCE(1);
333 }
334 switch (ch->chan->band) {
335 case IEEE80211_BAND_2GHZ:
336 ch_inf.band = BRCMU_CHAN_BAND_2G;
337 break;
338 case IEEE80211_BAND_5GHZ:
339 ch_inf.band = BRCMU_CHAN_BAND_5G;
340 break;
0cd75b19 341 case IEEE80211_BAND_60GHZ:
600a897d
AS		 342 default:
343 WARN_ON_ONCE(1);
344 }
345 d11inf->encchspec(&ch_inf);
346
347 return ch_inf.chspec;
348}
349
83cf17aa
FL		 350u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
351 struct ieee80211_channel *ch)
6e186166 352{
83cf17aa 353 struct brcmu_chan ch_inf;
6e186166 354
83cf17aa
FL		 355 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
356 ch_inf.bw = BRCMU_CHAN_BW_20;
357 d11inf->encchspec(&ch_inf);
6e186166 358
83cf17aa 359 return ch_inf.chspec;
6e186166
AS		 360}
361
89286dc9
HM		 362/* Traverse a string of 1-byte tag/1-byte length/variable-length value
363 * triples, returning a pointer to the substring whose first element
364 * matches tag
365 */
4b5800fe
JB		 366const struct brcmf_tlv *
367brcmf_parse_tlvs(const void *buf, int buflen, uint key)
89286dc9 368{
4b5800fe
JB		 369 const struct brcmf_tlv *elt = buf;
370 int totlen = buflen;
89286dc9
HM		 371
372 /* find tagged parameter */
373 while (totlen >= TLV_HDR_LEN) {
374 int len = elt->len;
375
376 /* validate remaining totlen */
377 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
378 return elt;
379
380 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
381 totlen -= (len + TLV_HDR_LEN);
382 }
383
384 return NULL;
385}
386
387/* Is any of the tlvs the expected entry? If
388 * not update the tlvs buffer pointer/length.
389 */
390static bool
4b5800fe
JB		 391brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
392 const u8 *oui, u32 oui_len, u8 type)
89286dc9
HM		 393{
394 /* If the contents match the OUI and the type */
395 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
396 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
397 type == ie[TLV_BODY_OFF + oui_len]) {
398 return true;
399 }
400
401 if (tlvs == NULL)
402 return false;
403 /* point to the next ie */
404 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
405 /* calculate the length of the rest of the buffer */
406 *tlvs_len -= (int)(ie - *tlvs);
407 /* update the pointer to the start of the buffer */
408 *tlvs = ie;
409
410 return false;
411}
412
413static struct brcmf_vs_tlv *
4b5800fe 414brcmf_find_wpaie(const u8 *parse, u32 len)
89286dc9 415{
4b5800fe 416 const struct brcmf_tlv *ie;
89286dc9
HM		 417
418 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
4b5800fe 419 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
89286dc9
HM		 420 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
421 return (struct brcmf_vs_tlv *)ie;
422 }
423 return NULL;
424}
425
426static struct brcmf_vs_tlv *
4b5800fe 427brcmf_find_wpsie(const u8 *parse, u32 len)
89286dc9 428{
4b5800fe 429 const struct brcmf_tlv *ie;
89286dc9
HM		 430
431 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
432 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
433 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
434 return (struct brcmf_vs_tlv *)ie;
435 }
436 return NULL;
437}
438
439
5b435de0
AS		 440static void convert_key_from_CPU(struct brcmf_wsec_key *key,
441 struct brcmf_wsec_key_le *key_le)
442{
443 key_le->index = cpu_to_le32(key->index);
444 key_le->len = cpu_to_le32(key->len);
445 key_le->algo = cpu_to_le32(key->algo);
446 key_le->flags = cpu_to_le32(key->flags);
447 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
448 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
449 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
450 memcpy(key_le->data, key->data, sizeof(key->data));
451 memcpy(key_le->ea, key->ea, sizeof(key->ea));
452}
453
f09d0c02 454static int
118eb304 455send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key)
5b435de0
AS		 456{
457 int err;
458 struct brcmf_wsec_key_le key_le;
459
460 convert_key_from_CPU(key, &key_le);
f09d0c02 461
118eb304 462 brcmf_netdev_wait_pend8021x(ifp);
81f5dcb8 463
118eb304 464 err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le,
81f5dcb8 465 sizeof(key_le));
f09d0c02 466
5b435de0 467 if (err)
57d6e91a 468 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 469 return err;
470}
471
b3657453
HM		 472static s32
473brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
474{
475 s32 err;
476 u32 mode;
477
478 if (enable)
479 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
480 else
481 mode = 0;
482
483 /* Try to set and enable ARP offload feature, this may fail, then it */
484 /* is simply not supported and err 0 will be returned */
485 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
486 if (err) {
487 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
488 mode, err);
489 err = 0;
490 } else {
491 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
492 if (err) {
493 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
494 enable, err);
495 err = 0;
496 } else
497 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
498 enable, mode);
499 }
500
501 return err;
502}
503
8851cce0
HM		 504static void
505brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
506{
8f2b4597
AS		 507 struct brcmf_cfg80211_vif *vif;
508 struct brcmf_if *ifp;
509
510 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
511 ifp = vif->ifp;
8851cce0
HM		 512
513 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
514 (wdev->iftype == NL80211_IFTYPE_AP) ||
515 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
516 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
517 ADDR_DIRECT);
518 else
519 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
520 ADDR_INDIRECT);
521}
522
a44aa400
HM		 523static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp)
524{
525 struct brcmf_mbss_ssid_le mbss_ssid_le;
526 int bsscfgidx;
527 int err;
528
529 memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le));
530 bsscfgidx = brcmf_get_next_free_bsscfgidx(ifp->drvr);
531 if (bsscfgidx < 0)
532 return bsscfgidx;
533
534 mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx);
535 mbss_ssid_le.SSID_len = cpu_to_le32(5);
536 sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx);
537
538 err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le,
539 sizeof(mbss_ssid_le));
540 if (err < 0)
541 brcmf_err("setting ssid failed %d\n", err);
542
543 return err;
544}
545
546/**
547 * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS
548 *
549 * @wiphy: wiphy device of new interface.
550 * @name: name of the new interface.
551 * @flags: not used.
552 * @params: contains mac address for AP device.
553 */
554static
555struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name,
556 u32 *flags, struct vif_params *params)
557{
558 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
559 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
560 struct brcmf_cfg80211_vif *vif;
561 int err;
562
563 if (brcmf_cfg80211_vif_event_armed(cfg))
564 return ERR_PTR(-EBUSY);
565
566 brcmf_dbg(INFO, "Adding vif \"%s\"\n", name);
567
568 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false);
569 if (IS_ERR(vif))
570 return (struct wireless_dev *)vif;
571
572 brcmf_cfg80211_arm_vif_event(cfg, vif);
573
574 err = brcmf_cfg80211_request_ap_if(ifp);
575 if (err) {
576 brcmf_cfg80211_arm_vif_event(cfg, NULL);
577 goto fail;
578 }
579
580 /* wait for firmware event */
581 err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD,
582 msecs_to_jiffies(1500));
583 brcmf_cfg80211_arm_vif_event(cfg, NULL);
584 if (!err) {
585 brcmf_err("timeout occurred\n");
586 err = -EIO;
587 goto fail;
588 }
589
590 /* interface created in firmware */
591 ifp = vif->ifp;
592 if (!ifp) {
593 brcmf_err("no if pointer provided\n");
594 err = -ENOENT;
595 goto fail;
596 }
597
598 strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
599 err = brcmf_net_attach(ifp, true);
600 if (err) {
601 brcmf_err("Registering netdevice failed\n");
602 goto fail;
603 }
604
605 return &ifp->vif->wdev;
606
607fail:
608 brcmf_free_vif(vif);
609 return ERR_PTR(err);
610}
611
967fe2c8
AS		 612static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
613{
614 enum nl80211_iftype iftype;
615
616 iftype = vif->wdev.iftype;
617 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
618}
619
620static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
621{
622 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
623}
624
9f440b7b
AS		 625static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
626 const char *name,
627 enum nl80211_iftype type,
628 u32 *flags,
629 struct vif_params *params)
630{
8851cce0
HM		 631 struct wireless_dev *wdev;
632
9f440b7b
AS		 633 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
634 switch (type) {
635 case NL80211_IFTYPE_ADHOC:
636 case NL80211_IFTYPE_STATION:
9f440b7b
AS		 637 case NL80211_IFTYPE_AP_VLAN:
638 case NL80211_IFTYPE_WDS:
639 case NL80211_IFTYPE_MONITOR:
640 case NL80211_IFTYPE_MESH_POINT:
641 return ERR_PTR(-EOPNOTSUPP);
a44aa400
HM		 642 case NL80211_IFTYPE_AP:
643 wdev = brcmf_ap_add_vif(wiphy, name, flags, params);
644 if (!IS_ERR(wdev))
645 brcmf_cfg80211_update_proto_addr_mode(wdev);
646 return wdev;
9f440b7b
AS		 647 case NL80211_IFTYPE_P2P_CLIENT:
648 case NL80211_IFTYPE_P2P_GO:
27f10e38 649 case NL80211_IFTYPE_P2P_DEVICE:
8851cce0
HM		 650 wdev = brcmf_p2p_add_vif(wiphy, name, type, flags, params);
651 if (!IS_ERR(wdev))
652 brcmf_cfg80211_update_proto_addr_mode(wdev);
653 return wdev;
9f440b7b 654 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 655 default:
656 return ERR_PTR(-EINVAL);
657 }
658}
659
5e787f75
DK		 660static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
661{
c08437b4 662 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
5e787f75
DK		 663 brcmf_set_mpc(ifp, mpc);
664}
665
f96aa07e 666void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
5f4f9f11 667{
5f4f9f11
AS		 668 s32 err = 0;
669
670 if (check_vif_up(ifp->vif)) {
671 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
672 if (err) {
673 brcmf_err("fail to set mpc\n");
674 return;
675 }
676 brcmf_dbg(INFO, "MPC : %d\n", mpc);
677 }
678}
679
a0f472ac
AS		 680s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
681 struct brcmf_if *ifp, bool aborted,
682 bool fw_abort)
5f4f9f11
AS		 683{
684 struct brcmf_scan_params_le params_le;
685 struct cfg80211_scan_request *scan_request;
686 s32 err = 0;
687
688 brcmf_dbg(SCAN, "Enter\n");
689
690 /* clear scan request, because the FW abort can cause a second call */
691 /* to this functon and might cause a double cfg80211_scan_done */
692 scan_request = cfg->scan_request;
693 cfg->scan_request = NULL;
694
695 if (timer_pending(&cfg->escan_timeout))
696 del_timer_sync(&cfg->escan_timeout);
697
698 if (fw_abort) {
699 /* Do a scan abort to stop the driver's scan engine */
700 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
701 memset(&params_le, 0, sizeof(params_le));
702 memset(params_le.bssid, 0xFF, ETH_ALEN);
703 params_le.bss_type = DOT11_BSSTYPE_ANY;
704 params_le.scan_type = 0;
705 params_le.channel_num = cpu_to_le32(1);
706 params_le.nprobes = cpu_to_le32(1);
707 params_le.active_time = cpu_to_le32(-1);
708 params_le.passive_time = cpu_to_le32(-1);
709 params_le.home_time = cpu_to_le32(-1);
710 /* Scan is aborted by setting channel_list[0] to -1 */
711 params_le.channel_list[0] = cpu_to_le16(-1);
712 /* E-Scan (or anyother type) can be aborted by SCAN */
f96aa07e 713 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
5f4f9f11
AS		 714 &params_le, sizeof(params_le));
715 if (err)
716 brcmf_err("Scan abort failed\n");
717 }
0f0fe990 718
5e787f75 719 brcmf_scan_config_mpc(ifp, 1);
0f0fe990 720
5f4f9f11
AS		 721 /*
722 * e-scan can be initiated by scheduled scan
723 * which takes precedence.
724 */
725 if (cfg->sched_escan) {
726 brcmf_dbg(SCAN, "scheduled scan completed\n");
727 cfg->sched_escan = false;
728 if (!aborted)
729 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
5f4f9f11
AS		 730 } else if (scan_request) {
731 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
732 aborted ? "Aborted" : "Done");
733 cfg80211_scan_done(scan_request, aborted);
5f4f9f11 734 }
6eda4e2c
HM		 735 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
736 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
5f4f9f11
AS		 737
738 return err;
739}
740
9f440b7b
AS		 741static
742int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
743{
5f4f9f11
AS		 744 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
745 struct net_device *ndev = wdev->netdev;
746
747 /* vif event pending in firmware */
748 if (brcmf_cfg80211_vif_event_armed(cfg))
749 return -EBUSY;
750
751 if (ndev) {
752 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
a0f472ac
AS		 753 cfg->escan_info.ifp == netdev_priv(ndev))
754 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
755 true, true);
5f4f9f11
AS		 756
757 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
758 }
759
9f440b7b
AS		 760 switch (wdev->iftype) {
761 case NL80211_IFTYPE_ADHOC:
762 case NL80211_IFTYPE_STATION:
763 case NL80211_IFTYPE_AP:
764 case NL80211_IFTYPE_AP_VLAN:
765 case NL80211_IFTYPE_WDS:
766 case NL80211_IFTYPE_MONITOR:
767 case NL80211_IFTYPE_MESH_POINT:
768 return -EOPNOTSUPP;
769 case NL80211_IFTYPE_P2P_CLIENT:
770 case NL80211_IFTYPE_P2P_GO:
27f10e38 771 case NL80211_IFTYPE_P2P_DEVICE:
9f440b7b
AS		 772 return brcmf_p2p_del_vif(wiphy, wdev);
773 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 774 default:
775 return -EINVAL;
776 }
777 return -EOPNOTSUPP;
778}
779
5b435de0
AS		 780static s32
781brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
782 enum nl80211_iftype type, u32 *flags,
783 struct vif_params *params)
784{
7a5c1f64 785 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
c1179033 786 struct brcmf_if *ifp = netdev_priv(ndev);
128ce3b6 787 struct brcmf_cfg80211_vif *vif = ifp->vif;
5b435de0 788 s32 infra = 0;
1a873342 789 s32 ap = 0;
5b435de0
AS		 790 s32 err = 0;
791
d96b801f 792 brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
5b435de0
AS		 793
794 switch (type) {
795 case NL80211_IFTYPE_MONITOR:
796 case NL80211_IFTYPE_WDS:
57d6e91a
AS		 797 brcmf_err("type (%d) : currently we do not support this type\n",
798 type);
5b435de0
AS		 799 return -EOPNOTSUPP;
800 case NL80211_IFTYPE_ADHOC:
5b435de0
AS		 801 infra = 0;
802 break;
803 case NL80211_IFTYPE_STATION:
1bc7c654
HM		 804 /* Ignore change for p2p IF. Unclear why supplicant does this */
805 if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
806 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
807 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
808 /* WAR: It is unexpected to get a change of VIF for P2P
809 * IF, but it happens. The request can not be handled
810 * but returning EPERM causes a crash. Returning 0
811 * without setting ieee80211_ptr->iftype causes trace
812 * (WARN_ON) but it works with wpa_supplicant
813 */
814 return 0;
815 }
5b435de0
AS		 816 infra = 1;
817 break;
1a873342 818 case NL80211_IFTYPE_AP:
7a5c1f64 819 case NL80211_IFTYPE_P2P_GO:
1a873342
HM		 820 ap = 1;
821 break;
5b435de0
AS		 822 default:
823 err = -EINVAL;
824 goto done;
825 }
826
1a873342 827 if (ap) {
7a5c1f64
HM		 828 if (type == NL80211_IFTYPE_P2P_GO) {
829 brcmf_dbg(INFO, "IF Type = P2P GO\n");
830 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
831 }
832 if (!err) {
833 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
834 brcmf_dbg(INFO, "IF Type = AP\n");
835 }
5b435de0 836 } else {
128ce3b6 837 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
1a873342 838 if (err) {
57d6e91a 839 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
1a873342
HM		 840 err = -EAGAIN;
841 goto done;
842 }
967fe2c8 843 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
647c9ae0 844 "Adhoc" : "Infra");
5b435de0 845 }
1a873342 846 ndev->ieee80211_ptr->iftype = type;
5b435de0 847
8851cce0
HM		 848 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
849
5b435de0 850done:
d96b801f 851 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 852
853 return err;
854}
855
83cf17aa
FL		 856static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
857 struct brcmf_scan_params_le *params_le,
e756af5b
HM		 858 struct cfg80211_scan_request *request)
859{
860 u32 n_ssids;
861 u32 n_channels;
862 s32 i;
863 s32 offset;
029591f3 864 u16 chanspec;
e756af5b 865 char *ptr;
029591f3 866 struct brcmf_ssid_le ssid_le;
e756af5b 867
ba40d166 868 memset(params_le->bssid, 0xFF, ETH_ALEN);
e756af5b
HM		 869 params_le->bss_type = DOT11_BSSTYPE_ANY;
870 params_le->scan_type = 0;
871 params_le->channel_num = 0;
872 params_le->nprobes = cpu_to_le32(-1);
873 params_le->active_time = cpu_to_le32(-1);
874 params_le->passive_time = cpu_to_le32(-1);
875 params_le->home_time = cpu_to_le32(-1);
876 memset(&params_le->ssid_le, 0, sizeof(params_le->ssid_le));
877
878 /* if request is null exit so it will be all channel broadcast scan */
879 if (!request)
880 return;
881
882 n_ssids = request->n_ssids;
883 n_channels = request->n_channels;
884 /* Copy channel array if applicable */
4e8a008e
AS		 885 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
886 n_channels);
e756af5b
HM		 887 if (n_channels > 0) {
888 for (i = 0; i < n_channels; i++) {
83cf17aa
FL		 889 chanspec = channel_to_chanspec(&cfg->d11inf,
890 request->channels[i]);
4e8a008e
AS		 891 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
892 request->channels[i]->hw_value, chanspec);
029591f3 893 params_le->channel_list[i] = cpu_to_le16(chanspec);
e756af5b
HM		 894 }
895 } else {
4e8a008e 896 brcmf_dbg(SCAN, "Scanning all channels\n");
e756af5b
HM		 897 }
898 /* Copy ssid array if applicable */
4e8a008e 899 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
e756af5b
HM		 900 if (n_ssids > 0) {
901 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
902 n_channels * sizeof(u16);
903 offset = roundup(offset, sizeof(u32));
904 ptr = (char *)params_le + offset;
905 for (i = 0; i < n_ssids; i++) {
029591f3
AS		 906 memset(&ssid_le, 0, sizeof(ssid_le));
907 ssid_le.SSID_len =
908 cpu_to_le32(request->ssids[i].ssid_len);
909 memcpy(ssid_le.SSID, request->ssids[i].ssid,
910 request->ssids[i].ssid_len);
911 if (!ssid_le.SSID_len)
4e8a008e 912 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
e756af5b 913 else
4e8a008e
AS		 914 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
915 i, ssid_le.SSID, ssid_le.SSID_len);
029591f3
AS		 916 memcpy(ptr, &ssid_le, sizeof(ssid_le));
917 ptr += sizeof(ssid_le);
e756af5b
HM		 918 }
919 } else {
4e8a008e 920 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
e756af5b 921 if ((request->ssids) && request->ssids->ssid_len) {
4e8a008e
AS		 922 brcmf_dbg(SCAN, "SSID %s len=%d\n",
923 params_le->ssid_le.SSID,
924 request->ssids->ssid_len);
e756af5b
HM		 925 params_le->ssid_le.SSID_len =
926 cpu_to_le32(request->ssids->ssid_len);
927 memcpy(&params_le->ssid_le.SSID, request->ssids->ssid,
928 request->ssids->ssid_len);
929 }
930 }
931 /* Adding mask to channel numbers */
932 params_le->channel_num =
933 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
934 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
935}
936
e756af5b 937static s32
a0f472ac 938brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
e756af5b
HM		 939 struct cfg80211_scan_request *request, u16 action)
940{
941 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
942 offsetof(struct brcmf_escan_params_le, params_le);
943 struct brcmf_escan_params_le *params;
944 s32 err = 0;
945
4e8a008e 946 brcmf_dbg(SCAN, "E-SCAN START\n");
e756af5b
HM		 947
948 if (request != NULL) {
949 /* Allocate space for populating ssids in struct */
950 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
951
952 /* Allocate space for populating ssids in struct */
953 params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
954 }
955
956 params = kzalloc(params_size, GFP_KERNEL);
957 if (!params) {
958 err = -ENOMEM;
959 goto exit;
960 }
961 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
83cf17aa 962 brcmf_escan_prep(cfg, &params->params_le, request);
e756af5b
HM		 963 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
964 params->action = cpu_to_le16(action);
965 params->sync_id = cpu_to_le16(0x1234);
966
a0f472ac 967 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
e756af5b
HM		 968 if (err) {
969 if (err == -EBUSY)
647c9ae0 970 brcmf_dbg(INFO, "system busy : escan canceled\n");
e756af5b 971 else
57d6e91a 972 brcmf_err("error (%d)\n", err);
e756af5b
HM		 973 }
974
975 kfree(params);
976exit:
977 return err;
978}
979
980static s32
27a68fe3 981brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
a0f472ac 982 struct brcmf_if *ifp, struct cfg80211_scan_request *request)
e756af5b
HM		 983{
984 s32 err;
81f5dcb8 985 u32 passive_scan;
e756af5b 986 struct brcmf_scan_results *results;
9f440b7b 987 struct escan_info *escan = &cfg->escan_info;
e756af5b 988
4e8a008e 989 brcmf_dbg(SCAN, "Enter\n");
a0f472ac 990 escan->ifp = ifp;
9f440b7b
AS		 991 escan->wiphy = wiphy;
992 escan->escan_state = WL_ESCAN_STATE_SCANNING;
81f5dcb8 993 passive_scan = cfg->active_scan ? 0 : 1;
f96aa07e 994 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 995 passive_scan);
e756af5b 996 if (err) {
57d6e91a 997 brcmf_err("error (%d)\n", err);
e756af5b
HM		 998 return err;
999 }
5e787f75 1000 brcmf_scan_config_mpc(ifp, 0);
27a68fe3 1001 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
e756af5b
HM		 1002 results->version = 0;
1003 results->count = 0;
1004 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
1005
a0f472ac 1006 err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
e756af5b 1007 if (err)
5e787f75 1008 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1009 return err;
1010}
1011
1012static s32
a0f472ac 1013brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
e756af5b
HM		 1014 struct cfg80211_scan_request *request,
1015 struct cfg80211_ssid *this_ssid)
1016{
a0f472ac
AS		 1017 struct brcmf_if *ifp = vif->ifp;
1018 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e756af5b 1019 struct cfg80211_ssid *ssids;
f0799895 1020 struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
81f5dcb8 1021 u32 passive_scan;
e756af5b
HM		 1022 bool escan_req;
1023 bool spec_scan;
1024 s32 err;
1025 u32 SSID_len;
1026
4e8a008e 1027 brcmf_dbg(SCAN, "START ESCAN\n");
e756af5b 1028
c1179033 1029 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 1030 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e756af5b
HM		 1031 return -EAGAIN;
1032 }
c1179033 1033 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
57d6e91a
AS		 1034 brcmf_err("Scanning being aborted: status (%lu)\n",
1035 cfg->scan_status);
e756af5b
HM		 1036 return -EAGAIN;
1037 }
1687eee2
AS		 1038 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
1039 brcmf_err("Scanning suppressed: status (%lu)\n",
1040 cfg->scan_status);
1041 return -EAGAIN;
1042 }
c1179033 1043 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
57d6e91a 1044 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
e756af5b
HM		 1045 return -EAGAIN;
1046 }
1047
0f8ffe17 1048 /* If scan req comes for p2p0, send it over primary I/F */
a0f472ac
AS		 1049 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
1050 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
0f8ffe17 1051
e756af5b 1052 /* Arm scan timeout timer */
27a68fe3 1053 mod_timer(&cfg->escan_timeout, jiffies +
e756af5b
HM		 1054 WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
1055
1056 escan_req = false;
1057 if (request) {
1058 /* scan bss */
1059 ssids = request->ssids;
1060 escan_req = true;
1061 } else {
1062 /* scan in ibss */
1063 /* we don't do escan in ibss */
1064 ssids = this_ssid;
1065 }
1066
27a68fe3 1067 cfg->scan_request = request;
c1179033 1068 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e756af5b 1069 if (escan_req) {
9f440b7b 1070 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 1071 err = brcmf_p2p_scan_prep(wiphy, request, vif);
9f440b7b
AS		 1072 if (err)
1073 goto scan_out;
1074
a0f472ac 1075 err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
2cb941c0 1076 if (err)
e756af5b
HM		 1077 goto scan_out;
1078 } else {
4e8a008e
AS		 1079 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
1080 ssids->ssid, ssids->ssid_len);
e756af5b
HM		 1081 memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
1082 SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
1083 sr->ssid_le.SSID_len = cpu_to_le32(0);
1084 spec_scan = false;
1085 if (SSID_len) {
1086 memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
1087 sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
1088 spec_scan = true;
1089 } else
4e8a008e 1090 brcmf_dbg(SCAN, "Broadcast scan\n");
e756af5b 1091
81f5dcb8 1092 passive_scan = cfg->active_scan ? 0 : 1;
c1179033 1093 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 1094 passive_scan);
e756af5b 1095 if (err) {
57d6e91a 1096 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
e756af5b
HM		 1097 goto scan_out;
1098 }
5e787f75 1099 brcmf_scan_config_mpc(ifp, 0);
c1179033 1100 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
ac24be6f 1101 &sr->ssid_le, sizeof(sr->ssid_le));
e756af5b
HM		 1102 if (err) {
1103 if (err == -EBUSY)
647c9ae0
AS		 1104 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
1105 sr->ssid_le.SSID);
e756af5b 1106 else
57d6e91a 1107 brcmf_err("WLC_SCAN error (%d)\n", err);
e756af5b 1108
5e787f75 1109 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1110 goto scan_out;
1111 }
1112 }
1113
1114 return 0;
1115
1116scan_out:
c1179033 1117 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
27a68fe3
AS		 1118 if (timer_pending(&cfg->escan_timeout))
1119 del_timer_sync(&cfg->escan_timeout);
1120 cfg->scan_request = NULL;
e756af5b
HM		 1121 return err;
1122}
1123
5b435de0 1124static s32
0abb5f21 1125brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
5b435de0 1126{
a0f472ac 1127 struct brcmf_cfg80211_vif *vif;
5b435de0
AS		 1128 s32 err = 0;
1129
d96b801f 1130 brcmf_dbg(TRACE, "Enter\n");
a0f472ac
AS		 1131 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1132 if (!check_vif_up(vif))
5b435de0
AS		 1133 return -EIO;
1134
a0f472ac 1135 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
e756af5b 1136
5b435de0 1137 if (err)
57d6e91a 1138 brcmf_err("scan error (%d)\n", err);
5b435de0 1139
d96b801f 1140 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1141 return err;
1142}
1143
1144static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1145{
1146 s32 err = 0;
1147
ac24be6f
AS		 1148 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1149 rts_threshold);
5b435de0 1150 if (err)
57d6e91a 1151 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1152
1153 return err;
1154}
1155
1156static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1157{
1158 s32 err = 0;
1159
ac24be6f
AS		 1160 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1161 frag_threshold);
5b435de0 1162 if (err)
57d6e91a 1163 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1164
1165 return err;
1166}
1167
1168static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1169{
1170 s32 err = 0;
b87e2c48 1171 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
5b435de0 1172
ac24be6f 1173 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
5b435de0 1174 if (err) {
57d6e91a 1175 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
5b435de0
AS		 1176 return err;
1177 }
1178 return err;
1179}
1180
1181static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1182{
27a68fe3
AS		 1183 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1184 struct net_device *ndev = cfg_to_ndev(cfg);
0abb5f21 1185 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1186 s32 err = 0;
1187
d96b801f 1188 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1189 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1190 return -EIO;
1191
1192 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
27a68fe3
AS		 1193 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1194 cfg->conf->rts_threshold = wiphy->rts_threshold;
1195 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
5b435de0
AS		 1196 if (!err)
1197 goto done;
1198 }
1199 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
27a68fe3
AS		 1200 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1201 cfg->conf->frag_threshold = wiphy->frag_threshold;
1202 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
5b435de0
AS		 1203 if (!err)
1204 goto done;
1205 }
1206 if (changed & WIPHY_PARAM_RETRY_LONG
27a68fe3
AS		 1207 && (cfg->conf->retry_long != wiphy->retry_long)) {
1208 cfg->conf->retry_long = wiphy->retry_long;
1209 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
5b435de0
AS		 1210 if (!err)
1211 goto done;
1212 }
1213 if (changed & WIPHY_PARAM_RETRY_SHORT
27a68fe3
AS		 1214 && (cfg->conf->retry_short != wiphy->retry_short)) {
1215 cfg->conf->retry_short = wiphy->retry_short;
1216 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
5b435de0
AS		 1217 if (!err)
1218 goto done;
1219 }
1220
1221done:
d96b801f 1222 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1223 return err;
1224}
1225
5b435de0
AS		 1226static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1227{
1228 memset(prof, 0, sizeof(*prof));
1229}
1230
903e0eee 1231static void brcmf_link_down(struct brcmf_cfg80211_vif *vif)
5b435de0 1232{
61730d4d 1233 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
5b435de0
AS		 1234 s32 err = 0;
1235
d96b801f 1236 brcmf_dbg(TRACE, "Enter\n");
5b435de0 1237
903e0eee 1238 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
647c9ae0 1239 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
903e0eee 1240 err = brcmf_fil_cmd_data_set(vif->ifp,
ac24be6f 1241 BRCMF_C_DISASSOC, NULL, 0);
a538ae31 1242 if (err) {
57d6e91a 1243 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
a538ae31 1244 }
903e0eee 1245 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state);
43dffbc6
AS		 1246 cfg80211_disconnected(vif->wdev.netdev, 0, NULL, 0, GFP_KERNEL);
1247
5b435de0 1248 }
903e0eee 1249 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
61730d4d
PH		 1250 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1251 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
d96b801f 1252 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1253}
1254
1255static s32
1256brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1257 struct cfg80211_ibss_params *params)
1258{
27a68fe3 1259 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1260 struct brcmf_if *ifp = netdev_priv(ndev);
1261 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1262 struct brcmf_join_params join_params;
1263 size_t join_params_size = 0;
1264 s32 err = 0;
1265 s32 wsec = 0;
1266 s32 bcnprd;
1701261d 1267 u16 chanspec;
5b435de0 1268
d96b801f 1269 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1270 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1271 return -EIO;
1272
1273 if (params->ssid)
16886735 1274 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
5b435de0 1275 else {
16886735 1276 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
5b435de0
AS		 1277 return -EOPNOTSUPP;
1278 }
1279
c1179033 1280 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1281
1282 if (params->bssid)
16886735 1283 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
5b435de0 1284 else
16886735 1285 brcmf_dbg(CONN, "No BSSID specified\n");
5b435de0 1286
683b6d3b 1287 if (params->chandef.chan)
16886735
AS		 1288 brcmf_dbg(CONN, "channel: %d\n",
1289 params->chandef.chan->center_freq);
5b435de0 1290 else
16886735 1291 brcmf_dbg(CONN, "no channel specified\n");
5b435de0
AS		 1292
1293 if (params->channel_fixed)
16886735 1294 brcmf_dbg(CONN, "fixed channel required\n");
5b435de0 1295 else
16886735 1296 brcmf_dbg(CONN, "no fixed channel required\n");
5b435de0
AS		 1297
1298 if (params->ie && params->ie_len)
16886735 1299 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
5b435de0 1300 else
16886735 1301 brcmf_dbg(CONN, "no ie specified\n");
5b435de0
AS		 1302
1303 if (params->beacon_interval)
16886735
AS		 1304 brcmf_dbg(CONN, "beacon interval: %d\n",
1305 params->beacon_interval);
5b435de0 1306 else
16886735 1307 brcmf_dbg(CONN, "no beacon interval specified\n");
5b435de0
AS		 1308
1309 if (params->basic_rates)
16886735 1310 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
5b435de0 1311 else
16886735 1312 brcmf_dbg(CONN, "no basic rates specified\n");
5b435de0
AS		 1313
1314 if (params->privacy)
16886735 1315 brcmf_dbg(CONN, "privacy required\n");
5b435de0 1316 else
16886735 1317 brcmf_dbg(CONN, "no privacy required\n");
5b435de0
AS		 1318
1319 /* Configure Privacy for starter */
1320 if (params->privacy)
1321 wsec |= WEP_ENABLED;
1322
c1179033 1323 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
5b435de0 1324 if (err) {
57d6e91a 1325 brcmf_err("wsec failed (%d)\n", err);
5b435de0
AS		 1326 goto done;
1327 }
1328
1329 /* Configure Beacon Interval for starter */
1330 if (params->beacon_interval)
1331 bcnprd = params->beacon_interval;
1332 else
1333 bcnprd = 100;
1334
b87e2c48 1335 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
5b435de0 1336 if (err) {
57d6e91a 1337 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
5b435de0
AS		 1338 goto done;
1339 }
1340
1341 /* Configure required join parameter */
1342 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1343
1344 /* SSID */
6c8c4f72
AS		 1345 profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
1346 memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
1347 memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
1348 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1349 join_params_size = sizeof(join_params.ssid_le);
5b435de0
AS		 1350
1351 /* BSSID */
1352 if (params->bssid) {
1353 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1354 join_params_size = sizeof(join_params.ssid_le) +
1355 BRCMF_ASSOC_PARAMS_FIXED_SIZE;
6c8c4f72 1356 memcpy(profile->bssid, params->bssid, ETH_ALEN);
5b435de0 1357 } else {
ba40d166 1358 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
6c8c4f72 1359 memset(profile->bssid, 0, ETH_ALEN);
5b435de0
AS		 1360 }
1361
5b435de0 1362 /* Channel */
683b6d3b 1363 if (params->chandef.chan) {
5b435de0
AS		 1364 u32 target_channel;
1365
27a68fe3 1366 cfg->channel =
5b435de0 1367 ieee80211_frequency_to_channel(
683b6d3b 1368 params->chandef.chan->center_freq);
5b435de0
AS		 1369 if (params->channel_fixed) {
1370 /* adding chanspec */
600a897d
AS		 1371 chanspec = chandef_to_chanspec(&cfg->d11inf,
1372 &params->chandef);
1701261d
HM		 1373 join_params.params_le.chanspec_list[0] =
1374 cpu_to_le16(chanspec);
1375 join_params.params_le.chanspec_num = cpu_to_le32(1);
1376 join_params_size += sizeof(join_params.params_le);
5b435de0
AS		 1377 }
1378
1379 /* set channel for starter */
27a68fe3 1380 target_channel = cfg->channel;
b87e2c48 1381 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
81f5dcb8 1382 target_channel);
5b435de0 1383 if (err) {
57d6e91a 1384 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
5b435de0
AS		 1385 goto done;
1386 }
1387 } else
27a68fe3 1388 cfg->channel = 0;
5b435de0 1389
27a68fe3 1390 cfg->ibss_starter = false;
5b435de0
AS		 1391
1392
c1179033 1393 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1394 &join_params, join_params_size);
5b435de0 1395 if (err) {
57d6e91a 1396 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1397 goto done;
1398 }
1399
1400done:
1401 if (err)
c1179033 1402 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1403 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1404 return err;
1405}
1406
1407static s32
1408brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1409{
0abb5f21 1410 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 1411
d96b801f 1412 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1413 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1414 return -EIO;
1415
903e0eee 1416 brcmf_link_down(ifp->vif);
5b435de0 1417
d96b801f 1418 brcmf_dbg(TRACE, "Exit\n");
5b435de0 1419
12f32370 1420 return 0;
5b435de0
AS		 1421}
1422
1423static s32 brcmf_set_wpa_version(struct net_device *ndev,
1424 struct cfg80211_connect_params *sme)
1425{
6ac4f4ed 1426 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1427 struct brcmf_cfg80211_security *sec;
1428 s32 val = 0;
1429 s32 err = 0;
1430
1431 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1432 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1433 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1434 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1435 else
1436 val = WPA_AUTH_DISABLED;
16886735 1437 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
89286dc9 1438 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
5b435de0 1439 if (err) {
57d6e91a 1440 brcmf_err("set wpa_auth failed (%d)\n", err);
5b435de0
AS		 1441 return err;
1442 }
06bb123e 1443 sec = &profile->sec;
5b435de0
AS		 1444 sec->wpa_versions = sme->crypto.wpa_versions;
1445 return err;
1446}
1447
1448static s32 brcmf_set_auth_type(struct net_device *ndev,
1449 struct cfg80211_connect_params *sme)
1450{
6ac4f4ed 1451 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1452 struct brcmf_cfg80211_security *sec;
1453 s32 val = 0;
1454 s32 err = 0;
1455
1456 switch (sme->auth_type) {
1457 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1458 val = 0;
16886735 1459 brcmf_dbg(CONN, "open system\n");
5b435de0
AS		 1460 break;
1461 case NL80211_AUTHTYPE_SHARED_KEY:
1462 val = 1;
16886735 1463 brcmf_dbg(CONN, "shared key\n");
5b435de0
AS		 1464 break;
1465 case NL80211_AUTHTYPE_AUTOMATIC:
1466 val = 2;
16886735 1467 brcmf_dbg(CONN, "automatic\n");
5b435de0
AS		 1468 break;
1469 case NL80211_AUTHTYPE_NETWORK_EAP:
16886735 1470 brcmf_dbg(CONN, "network eap\n");
5b435de0
AS		 1471 default:
1472 val = 2;
57d6e91a 1473 brcmf_err("invalid auth type (%d)\n", sme->auth_type);
5b435de0
AS		 1474 break;
1475 }
1476
89286dc9 1477 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
5b435de0 1478 if (err) {
57d6e91a 1479 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1480 return err;
1481 }
06bb123e 1482 sec = &profile->sec;
5b435de0
AS		 1483 sec->auth_type = sme->auth_type;
1484 return err;
1485}
1486
1487static s32
87b7e9e2
DK		 1488brcmf_set_wsec_mode(struct net_device *ndev,
1489 struct cfg80211_connect_params *sme, bool mfp)
5b435de0 1490{
6ac4f4ed 1491 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1492 struct brcmf_cfg80211_security *sec;
1493 s32 pval = 0;
1494 s32 gval = 0;
87b7e9e2 1495 s32 wsec;
5b435de0
AS		 1496 s32 err = 0;
1497
1498 if (sme->crypto.n_ciphers_pairwise) {
1499 switch (sme->crypto.ciphers_pairwise[0]) {
1500 case WLAN_CIPHER_SUITE_WEP40:
1501 case WLAN_CIPHER_SUITE_WEP104:
1502 pval = WEP_ENABLED;
1503 break;
1504 case WLAN_CIPHER_SUITE_TKIP:
1505 pval = TKIP_ENABLED;
1506 break;
1507 case WLAN_CIPHER_SUITE_CCMP:
1508 pval = AES_ENABLED;
1509 break;
1510 case WLAN_CIPHER_SUITE_AES_CMAC:
1511 pval = AES_ENABLED;
1512 break;
1513 default:
57d6e91a
AS		 1514 brcmf_err("invalid cipher pairwise (%d)\n",
1515 sme->crypto.ciphers_pairwise[0]);
5b435de0
AS		 1516 return -EINVAL;
1517 }
1518 }
1519 if (sme->crypto.cipher_group) {
1520 switch (sme->crypto.cipher_group) {
1521 case WLAN_CIPHER_SUITE_WEP40:
1522 case WLAN_CIPHER_SUITE_WEP104:
1523 gval = WEP_ENABLED;
1524 break;
1525 case WLAN_CIPHER_SUITE_TKIP:
1526 gval = TKIP_ENABLED;
1527 break;
1528 case WLAN_CIPHER_SUITE_CCMP:
1529 gval = AES_ENABLED;
1530 break;
1531 case WLAN_CIPHER_SUITE_AES_CMAC:
1532 gval = AES_ENABLED;
1533 break;
1534 default:
57d6e91a
AS		 1535 brcmf_err("invalid cipher group (%d)\n",
1536 sme->crypto.cipher_group);
5b435de0
AS		 1537 return -EINVAL;
1538 }
1539 }
1540
16886735 1541 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
89286dc9
HM		 1542 /* In case of privacy, but no security and WPS then simulate */
1543 /* setting AES. WPS-2.0 allows no security */
1544 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1545 sme->privacy)
1546 pval = AES_ENABLED;
87b7e9e2
DK		 1547
1548 if (mfp)
1549 wsec = pval | gval | MFP_CAPABLE;
1550 else
1551 wsec = pval | gval;
1552 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
5b435de0 1553 if (err) {
57d6e91a 1554 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1555 return err;
1556 }
1557
06bb123e 1558 sec = &profile->sec;
5b435de0
AS		 1559 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1560 sec->cipher_group = sme->crypto.cipher_group;
1561
1562 return err;
1563}
1564
1565static s32
1566brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1567{
6ac4f4ed 1568 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1569 struct brcmf_cfg80211_security *sec;
1570 s32 val = 0;
1571 s32 err = 0;
1572
1573 if (sme->crypto.n_akm_suites) {
89286dc9
HM		 1574 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
1575 "wpa_auth", &val);
5b435de0 1576 if (err) {
57d6e91a 1577 brcmf_err("could not get wpa_auth (%d)\n", err);
5b435de0
AS		 1578 return err;
1579 }
1580 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1581 switch (sme->crypto.akm_suites[0]) {
1582 case WLAN_AKM_SUITE_8021X:
1583 val = WPA_AUTH_UNSPECIFIED;
1584 break;
1585 case WLAN_AKM_SUITE_PSK:
1586 val = WPA_AUTH_PSK;
1587 break;
1588 default:
57d6e91a
AS		 1589 brcmf_err("invalid cipher group (%d)\n",
1590 sme->crypto.cipher_group);
5b435de0
AS		 1591 return -EINVAL;
1592 }
1593 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1594 switch (sme->crypto.akm_suites[0]) {
1595 case WLAN_AKM_SUITE_8021X:
1596 val = WPA2_AUTH_UNSPECIFIED;
1597 break;
1598 case WLAN_AKM_SUITE_PSK:
1599 val = WPA2_AUTH_PSK;
1600 break;
1601 default:
57d6e91a
AS		 1602 brcmf_err("invalid cipher group (%d)\n",
1603 sme->crypto.cipher_group);
5b435de0
AS		 1604 return -EINVAL;
1605 }
1606 }
1607
16886735 1608 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
89286dc9
HM		 1609 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
1610 "wpa_auth", val);
5b435de0 1611 if (err) {
57d6e91a 1612 brcmf_err("could not set wpa_auth (%d)\n", err);
5b435de0
AS		 1613 return err;
1614 }
1615 }
06bb123e 1616 sec = &profile->sec;
5b435de0
AS		 1617 sec->wpa_auth = sme->crypto.akm_suites[0];
1618
1619 return err;
1620}
1621
1622static s32
f09d0c02
HM		 1623brcmf_set_sharedkey(struct net_device *ndev,
1624 struct cfg80211_connect_params *sme)
5b435de0 1625{
6ac4f4ed 1626 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1627 struct brcmf_cfg80211_security *sec;
1628 struct brcmf_wsec_key key;
1629 s32 val;
1630 s32 err = 0;
1631
16886735 1632 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
5b435de0 1633
a718e2fe
RV		 1634 if (sme->key_len == 0)
1635 return 0;
1636
06bb123e 1637 sec = &profile->sec;
16886735
AS		 1638 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1639 sec->wpa_versions, sec->cipher_pairwise);
a718e2fe
RV		 1640
1641 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1642 return 0;
1643
f09d0c02
HM		 1644 if (!(sec->cipher_pairwise &
1645 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1646 return 0;
a718e2fe 1647
f09d0c02
HM		 1648 memset(&key, 0, sizeof(key));
1649 key.len = (u32) sme->key_len;
1650 key.index = (u32) sme->key_idx;
1651 if (key.len > sizeof(key.data)) {
57d6e91a 1652 brcmf_err("Too long key length (%u)\n", key.len);
f09d0c02
HM		 1653 return -EINVAL;
1654 }
1655 memcpy(key.data, sme->key, key.len);
1656 key.flags = BRCMF_PRIMARY_KEY;
1657 switch (sec->cipher_pairwise) {
1658 case WLAN_CIPHER_SUITE_WEP40:
1659 key.algo = CRYPTO_ALGO_WEP1;
1660 break;
1661 case WLAN_CIPHER_SUITE_WEP104:
1662 key.algo = CRYPTO_ALGO_WEP128;
1663 break;
1664 default:
57d6e91a
AS		 1665 brcmf_err("Invalid algorithm (%d)\n",
1666 sme->crypto.ciphers_pairwise[0]);
f09d0c02
HM		 1667 return -EINVAL;
1668 }
1669 /* Set the new key/index */
16886735
AS		 1670 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1671 key.len, key.index, key.algo);
1672 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
118eb304 1673 err = send_key_to_dongle(netdev_priv(ndev), &key);
f09d0c02
HM		 1674 if (err)
1675 return err;
1676
1677 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
16886735 1678 brcmf_dbg(CONN, "set auth_type to shared key\n");
f09d0c02 1679 val = WL_AUTH_SHARED_KEY; /* shared key */
ac24be6f 1680 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
f09d0c02 1681 if (err)
57d6e91a 1682 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1683 }
1684 return err;
1685}
1686
cbb1ec94
AS		 1687static
1688enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1689 enum nl80211_auth_type type)
1690{
c08437b4
AS		 1691 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1692 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1693 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1694 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
cbb1ec94
AS		 1695 }
1696 return type;
1697}
1698
5b435de0
AS		 1699static s32
1700brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
cbb1ec94 1701 struct cfg80211_connect_params *sme)
5b435de0 1702{
27a68fe3 1703 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1704 struct brcmf_if *ifp = netdev_priv(ndev);
1705 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1706 struct ieee80211_channel *chan = sme->channel;
1707 struct brcmf_join_params join_params;
1708 size_t join_params_size;
4b5800fe
JB		 1709 const struct brcmf_tlv *rsn_ie;
1710 const struct brcmf_vs_tlv *wpa_ie;
1711 const void *ie;
89286dc9
HM		 1712 u32 ie_len;
1713 struct brcmf_ext_join_params_le *ext_join_params;
1701261d 1714 u16 chanspec;
5b435de0
AS		 1715 s32 err = 0;
1716
d96b801f 1717 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1718 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1719 return -EIO;
1720
1721 if (!sme->ssid) {
57d6e91a 1722 brcmf_err("Invalid ssid\n");
5b435de0
AS		 1723 return -EOPNOTSUPP;
1724 }
1725
89286dc9
HM		 1726 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1727 /* A normal (non P2P) connection request setup. */
1728 ie = NULL;
1729 ie_len = 0;
1730 /* find the WPA_IE */
1731 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1732 if (wpa_ie) {
1733 ie = wpa_ie;
1734 ie_len = wpa_ie->len + TLV_HDR_LEN;
1735 } else {
1736 /* find the RSN_IE */
4b5800fe
JB		 1737 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1738 sme->ie_len,
89286dc9
HM		 1739 WLAN_EID_RSN);
1740 if (rsn_ie) {
1741 ie = rsn_ie;
1742 ie_len = rsn_ie->len + TLV_HDR_LEN;
1743 }
1744 }
1745 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1746 }
1747
1748 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1749 sme->ie, sme->ie_len);
1750 if (err)
1751 brcmf_err("Set Assoc REQ IE Failed\n");
1752 else
1753 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1754
c1179033 1755 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1756
1757 if (chan) {
27a68fe3 1758 cfg->channel =
5b435de0 1759 ieee80211_frequency_to_channel(chan->center_freq);
83cf17aa 1760 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1701261d
HM		 1761 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1762 cfg->channel, chan->center_freq, chanspec);
1763 } else {
27a68fe3 1764 cfg->channel = 0;
1701261d
HM		 1765 chanspec = 0;
1766 }
5b435de0 1767
647c9ae0 1768 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
5b435de0
AS		 1769
1770 err = brcmf_set_wpa_version(ndev, sme);
1771 if (err) {
57d6e91a 1772 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
5b435de0
AS		 1773 goto done;
1774 }
1775
cbb1ec94 1776 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
5b435de0
AS		 1777 err = brcmf_set_auth_type(ndev, sme);
1778 if (err) {
57d6e91a 1779 brcmf_err("wl_set_auth_type failed (%d)\n", err);
5b435de0
AS		 1780 goto done;
1781 }
1782
87b7e9e2 1783 err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
5b435de0 1784 if (err) {
57d6e91a 1785 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
5b435de0
AS		 1786 goto done;
1787 }
1788
1789 err = brcmf_set_key_mgmt(ndev, sme);
1790 if (err) {
57d6e91a 1791 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
5b435de0
AS		 1792 goto done;
1793 }
1794
f09d0c02 1795 err = brcmf_set_sharedkey(ndev, sme);
5b435de0 1796 if (err) {
57d6e91a 1797 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
5b435de0
AS		 1798 goto done;
1799 }
1800
89286dc9
HM		 1801 profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID),
1802 (u32)sme->ssid_len);
1803 memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
1804 if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
1805 profile->ssid.SSID[profile->ssid.SSID_len] = 0;
1806 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID,
1807 profile->ssid.SSID_len);
1808 }
1809
1810 /* Join with specific BSSID and cached SSID
1811 * If SSID is zero join based on BSSID only
1812 */
1813 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1814 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1815 if (cfg->channel)
1816 join_params_size += sizeof(u16);
1817 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1818 if (ext_join_params == NULL) {
1819 err = -ENOMEM;
1820 goto done;
1821 }
1822 ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1823 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid,
1824 profile->ssid.SSID_len);
63dd99e6 1825
89286dc9
HM		 1826 /* Set up join scan parameters */
1827 ext_join_params->scan_le.scan_type = -1;
89286dc9
HM		 1828 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1829
1830 if (sme->bssid)
1831 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1832 else
1833 memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN);
1834
1835 if (cfg->channel) {
1836 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
1837
1838 ext_join_params->assoc_le.chanspec_list[0] =
1839 cpu_to_le16(chanspec);
63dd99e6
HM		 1840 /* Increase dwell time to receive probe response or detect
1841 * beacon from target AP at a noisy air only during connect
1842 * command.
1843 */
1844 ext_join_params->scan_le.active_time =
1845 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
1846 ext_join_params->scan_le.passive_time =
1847 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
1848 /* To sync with presence period of VSDB GO send probe request
1849 * more frequently. Probe request will be stopped when it gets
1850 * probe response from target AP/GO.
1851 */
1852 ext_join_params->scan_le.nprobes =
1853 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
1854 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
1855 } else {
1856 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
1857 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
1858 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
89286dc9
HM		 1859 }
1860
1861 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
1862 join_params_size);
1863 kfree(ext_join_params);
1864 if (!err)
1865 /* This is it. join command worked, we are done */
1866 goto done;
1867
1868 /* join command failed, fallback to set ssid */
5b435de0
AS		 1869 memset(&join_params, 0, sizeof(join_params));
1870 join_params_size = sizeof(join_params.ssid_le);
1871
6c8c4f72 1872 memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
6c8c4f72 1873 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1874
89286dc9
HM		 1875 if (sme->bssid)
1876 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
1877 else
1878 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
5b435de0 1879
1701261d
HM		 1880 if (cfg->channel) {
1881 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
1882 join_params.params_le.chanspec_num = cpu_to_le32(1);
1883 join_params_size += sizeof(join_params.params_le);
1884 }
c1179033 1885 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1886 &join_params, join_params_size);
5b435de0 1887 if (err)
89286dc9 1888 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1889
1890done:
1891 if (err)
c1179033 1892 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1893 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1894 return err;
1895}
1896
1897static s32
1898brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1899 u16 reason_code)
1900{
0abb5f21
AS		 1901 struct brcmf_if *ifp = netdev_priv(ndev);
1902 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1903 struct brcmf_scb_val_le scbval;
1904 s32 err = 0;
1905
d96b801f 1906 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
ce81e317 1907 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1908 return -EIO;
1909
c1179033 1910 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
4f3fff14 1911 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
43dffbc6 1912 cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL);
5b435de0 1913
06bb123e 1914 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
5b435de0 1915 scbval.val = cpu_to_le32(reason_code);
c1179033 1916 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
ac24be6f 1917 &scbval, sizeof(scbval));
5b435de0 1918 if (err)
57d6e91a 1919 brcmf_err("error (%d)\n", err);
5b435de0 1920
d96b801f 1921 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1922 return err;
1923}
1924
1925static s32
c8442118 1926brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
d3f31134 1927 enum nl80211_tx_power_setting type, s32 mbm)
5b435de0
AS		 1928{
1929
27a68fe3 1930 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1931 struct net_device *ndev = cfg_to_ndev(cfg);
1932 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1933 u16 txpwrmw;
1934 s32 err = 0;
1935 s32 disable = 0;
d3f31134 1936 s32 dbm = MBM_TO_DBM(mbm);
5b435de0 1937
d96b801f 1938 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1939 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1940 return -EIO;
1941
1942 switch (type) {
1943 case NL80211_TX_POWER_AUTOMATIC:
1944 break;
1945 case NL80211_TX_POWER_LIMITED:
5b435de0
AS		 1946 case NL80211_TX_POWER_FIXED:
1947 if (dbm < 0) {
57d6e91a 1948 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
5b435de0
AS		 1949 err = -EINVAL;
1950 goto done;
1951 }
1952 break;
1953 }
1954 /* Make sure radio is off or on as far as software is concerned */
1955 disable = WL_RADIO_SW_DISABLE << 16;
ac24be6f 1956 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
5b435de0 1957 if (err)
57d6e91a 1958 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
5b435de0
AS		 1959
1960 if (dbm > 0xffff)
1961 txpwrmw = 0xffff;
1962 else
1963 txpwrmw = (u16) dbm;
ac24be6f
AS		 1964 err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
1965 (s32)brcmf_mw_to_qdbm(txpwrmw));
5b435de0 1966 if (err)
57d6e91a 1967 brcmf_err("qtxpower error (%d)\n", err);
27a68fe3 1968 cfg->conf->tx_power = dbm;
5b435de0
AS		 1969
1970done:
d96b801f 1971 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1972 return err;
1973}
1974
c8442118
JB		 1975static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy,
1976 struct wireless_dev *wdev,
1977 s32 *dbm)
5b435de0 1978{
27a68fe3 1979 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 1980 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5b435de0
AS		 1981 s32 txpwrdbm;
1982 u8 result;
1983 s32 err = 0;
1984
d96b801f 1985 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1986 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1987 return -EIO;
1988
0abb5f21 1989 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
5b435de0 1990 if (err) {
57d6e91a 1991 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1992 goto done;
1993 }
1994
1995 result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
ef6ac17a 1996 *dbm = (s32) brcmf_qdbm_to_mw(result);
5b435de0
AS		 1997
1998done:
d96b801f 1999 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2000 return err;
2001}
2002
2003static s32
2004brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
2005 u8 key_idx, bool unicast, bool multicast)
2006{
0abb5f21 2007 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2008 u32 index;
2009 u32 wsec;
2010 s32 err = 0;
2011
d96b801f 2012 brcmf_dbg(TRACE, "Enter\n");
16886735 2013 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2014 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2015 return -EIO;
2016
0abb5f21 2017 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2018 if (err) {
57d6e91a 2019 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2020 goto done;
2021 }
2022
2023 if (wsec & WEP_ENABLED) {
2024 /* Just select a new current key */
2025 index = key_idx;
0abb5f21 2026 err = brcmf_fil_cmd_int_set(ifp,
ac24be6f 2027 BRCMF_C_SET_KEY_PRIMARY, index);
5b435de0 2028 if (err)
57d6e91a 2029 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2030 }
2031done:
d96b801f 2032 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2033 return err;
2034}
2035
2036static s32
2037brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
2038 u8 key_idx, const u8 *mac_addr, struct key_params *params)
2039{
992f6068 2040 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2041 struct brcmf_wsec_key key;
5b435de0 2042 s32 err = 0;
992f6068 2043 u8 keybuf[8];
5b435de0
AS		 2044
2045 memset(&key, 0, sizeof(key));
2046 key.index = (u32) key_idx;
2047 /* Instead of bcast for ea address for default wep keys,
2048 driver needs it to be Null */
2049 if (!is_multicast_ether_addr(mac_addr))
2050 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
2051 key.len = (u32) params->key_len;
2052 /* check for key index change */
2053 if (key.len == 0) {
2054 /* key delete */
118eb304 2055 err = send_key_to_dongle(ifp, &key);
5b435de0 2056 if (err)
57d6e91a 2057 brcmf_err("key delete error (%d)\n", err);
5b435de0
AS		 2058 } else {
2059 if (key.len > sizeof(key.data)) {
57d6e91a 2060 brcmf_err("Invalid key length (%d)\n", key.len);
5b435de0
AS		 2061 return -EINVAL;
2062 }
2063
16886735 2064 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
5b435de0
AS		 2065 memcpy(key.data, params->key, key.len);
2066
967fe2c8 2067 if (!brcmf_is_apmode(ifp->vif) &&
992f6068
HM		 2068 (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
2069 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
5b435de0
AS		 2070 memcpy(keybuf, &key.data[24], sizeof(keybuf));
2071 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
2072 memcpy(&key.data[16], keybuf, sizeof(keybuf));
2073 }
2074
2075 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
2076 if (params->seq && params->seq_len == 6) {
2077 /* rx iv */
2078 u8 *ivptr;
2079 ivptr = (u8 *) params->seq;
2080 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
2081 (ivptr[3] << 8) | ivptr[2];
2082 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
2083 key.iv_initialized = true;
2084 }
2085
2086 switch (params->cipher) {
2087 case WLAN_CIPHER_SUITE_WEP40:
2088 key.algo = CRYPTO_ALGO_WEP1;
16886735 2089 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2090 break;
2091 case WLAN_CIPHER_SUITE_WEP104:
2092 key.algo = CRYPTO_ALGO_WEP128;
16886735 2093 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2094 break;
2095 case WLAN_CIPHER_SUITE_TKIP:
2096 key.algo = CRYPTO_ALGO_TKIP;
16886735 2097 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2098 break;
2099 case WLAN_CIPHER_SUITE_AES_CMAC:
2100 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2101 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2102 break;
2103 case WLAN_CIPHER_SUITE_CCMP:
2104 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2105 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2106 break;
2107 default:
57d6e91a 2108 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2109 return -EINVAL;
2110 }
118eb304 2111 err = send_key_to_dongle(ifp, &key);
f09d0c02 2112 if (err)
57d6e91a 2113 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 2114 }
2115 return err;
2116}
2117
2118static s32
2119brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2120 u8 key_idx, bool pairwise, const u8 *mac_addr,
2121 struct key_params *params)
2122{
0abb5f21 2123 struct brcmf_if *ifp = netdev_priv(ndev);
118eb304 2124 struct brcmf_wsec_key *key;
5b435de0
AS		 2125 s32 val;
2126 s32 wsec;
2127 s32 err = 0;
2128 u8 keybuf[8];
2129
d96b801f 2130 brcmf_dbg(TRACE, "Enter\n");
16886735 2131 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2132 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2133 return -EIO;
2134
118eb304
HM		 2135 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2136 /* we ignore this key index in this case */
2137 brcmf_err("invalid key index (%d)\n", key_idx);
2138 return -EINVAL;
2139 }
2140
787eb033
DK		 2141 if (mac_addr &&
2142 (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2143 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
d96b801f 2144 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2145 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
2146 }
5b435de0 2147
118eb304
HM		 2148 key = &ifp->vif->profile.key[key_idx];
2149 memset(key, 0, sizeof(*key));
5b435de0 2150
118eb304
HM		 2151 if (params->key_len > sizeof(key->data)) {
2152 brcmf_err("Too long key length (%u)\n", params->key_len);
5b435de0
AS		 2153 err = -EINVAL;
2154 goto done;
2155 }
118eb304
HM		 2156 key->len = params->key_len;
2157 key->index = key_idx;
5b435de0 2158
118eb304
HM		 2159 memcpy(key->data, params->key, key->len);
2160
2161 key->flags = BRCMF_PRIMARY_KEY;
5b435de0
AS		 2162 switch (params->cipher) {
2163 case WLAN_CIPHER_SUITE_WEP40:
118eb304 2164 key->algo = CRYPTO_ALGO_WEP1;
f09d0c02 2165 val = WEP_ENABLED;
16886735 2166 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2167 break;
2168 case WLAN_CIPHER_SUITE_WEP104:
118eb304 2169 key->algo = CRYPTO_ALGO_WEP128;
f09d0c02 2170 val = WEP_ENABLED;
16886735 2171 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2172 break;
2173 case WLAN_CIPHER_SUITE_TKIP:
967fe2c8 2174 if (!brcmf_is_apmode(ifp->vif)) {
992f6068 2175 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
118eb304
HM		 2176 memcpy(keybuf, &key->data[24], sizeof(keybuf));
2177 memcpy(&key->data[24], &key->data[16], sizeof(keybuf));
2178 memcpy(&key->data[16], keybuf, sizeof(keybuf));
1a873342 2179 }
118eb304 2180 key->algo = CRYPTO_ALGO_TKIP;
f09d0c02 2181 val = TKIP_ENABLED;
16886735 2182 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2183 break;
2184 case WLAN_CIPHER_SUITE_AES_CMAC:
118eb304 2185 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2186 val = AES_ENABLED;
16886735 2187 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2188 break;
2189 case WLAN_CIPHER_SUITE_CCMP:
118eb304 2190 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2191 val = AES_ENABLED;
16886735 2192 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2193 break;
2194 default:
57d6e91a 2195 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2196 err = -EINVAL;
2197 goto done;
2198 }
2199
118eb304 2200 err = send_key_to_dongle(ifp, key);
5b435de0
AS		 2201 if (err)
2202 goto done;
2203
0abb5f21 2204 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2205 if (err) {
57d6e91a 2206 brcmf_err("get wsec error (%d)\n", err);
5b435de0
AS		 2207 goto done;
2208 }
5b435de0 2209 wsec |= val;
0abb5f21 2210 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
5b435de0 2211 if (err) {
57d6e91a 2212 brcmf_err("set wsec error (%d)\n", err);
5b435de0
AS		 2213 goto done;
2214 }
2215
5b435de0 2216done:
d96b801f 2217 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2218 return err;
2219}
2220
2221static s32
2222brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2223 u8 key_idx, bool pairwise, const u8 *mac_addr)
2224{
0abb5f21 2225 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2226 struct brcmf_wsec_key key;
2227 s32 err = 0;
5b435de0 2228
d96b801f 2229 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2230 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2231 return -EIO;
2232
118eb304 2233 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
256c374f 2234 /* we ignore this key index in this case */
57d6e91a 2235 brcmf_err("invalid key index (%d)\n", key_idx);
256c374f
HM		 2236 return -EINVAL;
2237 }
2238
5b435de0
AS		 2239 memset(&key, 0, sizeof(key));
2240
2241 key.index = (u32) key_idx;
2242 key.flags = BRCMF_PRIMARY_KEY;
2243 key.algo = CRYPTO_ALGO_OFF;
2244
16886735 2245 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
5b435de0
AS		 2246
2247 /* Set the new key/index */
118eb304 2248 err = send_key_to_dongle(ifp, &key);
5b435de0 2249
d96b801f 2250 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2251 return err;
2252}
2253
2254static s32
2255brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
2256 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
2257 void (*callback) (void *cookie, struct key_params * params))
2258{
2259 struct key_params params;
0abb5f21
AS		 2260 struct brcmf_if *ifp = netdev_priv(ndev);
2261 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2262 struct brcmf_cfg80211_security *sec;
2263 s32 wsec;
2264 s32 err = 0;
2265
d96b801f 2266 brcmf_dbg(TRACE, "Enter\n");
16886735 2267 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2268 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2269 return -EIO;
2270
2271 memset(&params, 0, sizeof(params));
2272
0abb5f21 2273 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2274 if (err) {
57d6e91a 2275 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2276 /* Ignore this error, may happen during DISASSOC */
2277 err = -EAGAIN;
2278 goto done;
2279 }
c5bf53a8 2280 if (wsec & WEP_ENABLED) {
06bb123e 2281 sec = &profile->sec;
5b435de0
AS		 2282 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2283 params.cipher = WLAN_CIPHER_SUITE_WEP40;
16886735 2284 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2285 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2286 params.cipher = WLAN_CIPHER_SUITE_WEP104;
16886735 2287 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0 2288 }
c5bf53a8 2289 } else if (wsec & TKIP_ENABLED) {
5b435de0 2290 params.cipher = WLAN_CIPHER_SUITE_TKIP;
16886735 2291 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
c5bf53a8 2292 } else if (wsec & AES_ENABLED) {
5b435de0 2293 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
16886735 2294 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
c5bf53a8 2295 } else {
57d6e91a 2296 brcmf_err("Invalid algo (0x%x)\n", wsec);
5b435de0
AS		 2297 err = -EINVAL;
2298 goto done;
2299 }
2300 callback(cookie, &params);
2301
2302done:
d96b801f 2303 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2304 return err;
2305}
2306
2307static s32
2308brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2309 struct net_device *ndev, u8 key_idx)
2310{
647c9ae0 2311 brcmf_dbg(INFO, "Not supported\n");
5b435de0
AS		 2312
2313 return -EOPNOTSUPP;
2314}
2315
118eb304
HM		 2316static void
2317brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp)
2318{
2319 s32 err;
2320 u8 key_idx;
2321 struct brcmf_wsec_key *key;
2322 s32 wsec;
2323
2324 for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) {
2325 key = &ifp->vif->profile.key[key_idx];
2326 if ((key->algo == CRYPTO_ALGO_WEP1) ||
2327 (key->algo == CRYPTO_ALGO_WEP128))
2328 break;
2329 }
2330 if (key_idx == BRCMF_MAX_DEFAULT_KEYS)
2331 return;
2332
2333 err = send_key_to_dongle(ifp, key);
2334 if (err) {
2335 brcmf_err("Setting WEP key failed (%d)\n", err);
2336 return;
2337 }
2338 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2339 if (err) {
2340 brcmf_err("get wsec error (%d)\n", err);
2341 return;
2342 }
2343 wsec |= WEP_ENABLED;
2344 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2345 if (err)
2346 brcmf_err("set wsec error (%d)\n", err);
2347}
2348
5b435de0
AS		 2349static s32
2350brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
3b3a0162 2351 const u8 *mac, struct station_info *sinfo)
5b435de0 2352{
0abb5f21
AS		 2353 struct brcmf_if *ifp = netdev_priv(ndev);
2354 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2355 struct brcmf_scb_val_le scb_val;
2356 int rssi;
2357 s32 rate;
2358 s32 err = 0;
06bb123e 2359 u8 *bssid = profile->bssid;
81f5dcb8 2360 struct brcmf_sta_info_le sta_info_le;
9ee66d1b
HM		 2361 u32 beacon_period;
2362 u32 dtim_period;
5b435de0 2363
d96b801f 2364 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
ce81e317 2365 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2366 return -EIO;
2367
967fe2c8 2368 if (brcmf_is_apmode(ifp->vif)) {
81f5dcb8 2369 memcpy(&sta_info_le, mac, ETH_ALEN);
0abb5f21 2370 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
ac24be6f 2371 &sta_info_le,
81f5dcb8 2372 sizeof(sta_info_le));
1a873342 2373 if (err < 0) {
57d6e91a 2374 brcmf_err("GET STA INFO failed, %d\n", err);
1a873342
HM		 2375 goto done;
2376 }
1a873342 2377 sinfo->filled = STATION_INFO_INACTIVE_TIME;
81f5dcb8
HM		 2378 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2379 if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
1a873342 2380 sinfo->filled |= STATION_INFO_CONNECTED_TIME;
81f5dcb8 2381 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
1a873342 2382 }
d96b801f
AS		 2383 brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
2384 sinfo->inactive_time, sinfo->connected_time);
967fe2c8 2385 } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) {
1a873342 2386 if (memcmp(mac, bssid, ETH_ALEN)) {
57d6e91a
AS		 2387 brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
2388 mac, bssid);
1a873342
HM		 2389 err = -ENOENT;
2390 goto done;
2391 }
2392 /* Report the current tx rate */
89286dc9 2393 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
7f6c562d 2394 if (err) {
57d6e91a 2395 brcmf_err("Could not get rate (%d)\n", err);
1a873342 2396 goto done;
7f6c562d 2397 } else {
1a873342
HM		 2398 sinfo->filled |= STATION_INFO_TX_BITRATE;
2399 sinfo->txrate.legacy = rate * 5;
16886735 2400 brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);
7f6c562d 2401 }
5b435de0 2402
c1179033
AS		 2403 if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
2404 &ifp->vif->sme_state)) {
1a873342 2405 memset(&scb_val, 0, sizeof(scb_val));
c1179033
AS		 2406 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
2407 &scb_val, sizeof(scb_val));
1a873342 2408 if (err) {
57d6e91a 2409 brcmf_err("Could not get rssi (%d)\n", err);
1a873342
HM		 2410 goto done;
2411 } else {
2412 rssi = le32_to_cpu(scb_val.val);
2413 sinfo->filled |= STATION_INFO_SIGNAL;
2414 sinfo->signal = rssi;
16886735 2415 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
1a873342 2416 }
9ee66d1b
HM		 2417 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD,
2418 &beacon_period);
2419 if (err) {
2420 brcmf_err("Could not get beacon period (%d)\n",
2421 err);
2422 goto done;
2423 } else {
2424 sinfo->bss_param.beacon_interval =
2425 beacon_period;
2426 brcmf_dbg(CONN, "Beacon peroid %d\n",
2427 beacon_period);
2428 }
2429 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD,
2430 &dtim_period);
2431 if (err) {
2432 brcmf_err("Could not get DTIM period (%d)\n",
2433 err);
2434 goto done;
2435 } else {
2436 sinfo->bss_param.dtim_period = dtim_period;
2437 brcmf_dbg(CONN, "DTIM peroid %d\n",
2438 dtim_period);
2439 }
2440 sinfo->filled |= STATION_INFO_BSS_PARAM;
1a873342
HM		 2441 }
2442 } else
2443 err = -EPERM;
5b435de0 2444done:
d96b801f 2445 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2446 return err;
2447}
2448
2449static s32
2450brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2451 bool enabled, s32 timeout)
2452{
2453 s32 pm;
2454 s32 err = 0;
27a68fe3 2455 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
c1179033 2456 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2457
d96b801f 2458 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2459
2460 /*
2461 * Powersave enable/disable request is coming from the
2462 * cfg80211 even before the interface is up. In that
2463 * scenario, driver will be storing the power save
27a68fe3 2464 * preference in cfg struct to apply this to
5b435de0
AS		 2465 * FW later while initializing the dongle
2466 */
27a68fe3 2467 cfg->pwr_save = enabled;
ce81e317 2468 if (!check_vif_up(ifp->vif)) {
5b435de0 2469
647c9ae0 2470 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
5b435de0
AS		 2471 goto done;
2472 }
2473
2474 pm = enabled ? PM_FAST : PM_OFF;
102fd0d6
HM		 2475 /* Do not enable the power save after assoc if it is a p2p interface */
2476 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2477 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2478 pm = PM_OFF;
2479 }
647c9ae0 2480 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
5b435de0 2481
c1179033 2482 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
5b435de0
AS		 2483 if (err) {
2484 if (err == -ENODEV)
57d6e91a 2485 brcmf_err("net_device is not ready yet\n");
5b435de0 2486 else
57d6e91a 2487 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2488 }
2489done:
d96b801f 2490 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2491 return err;
2492}
2493
27a68fe3 2494static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
d34bf64f 2495 struct brcmf_bss_info_le *bi)
5b435de0 2496{
27a68fe3 2497 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0
AS		 2498 struct ieee80211_channel *notify_channel;
2499 struct cfg80211_bss *bss;
2500 struct ieee80211_supported_band *band;
83cf17aa 2501 struct brcmu_chan ch;
5b435de0
AS		 2502 u16 channel;
2503 u32 freq;
5b435de0
AS		 2504 u16 notify_capability;
2505 u16 notify_interval;
2506 u8 *notify_ie;
2507 size_t notify_ielen;
2508 s32 notify_signal;
2509
2510 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
57d6e91a 2511 brcmf_err("Bss info is larger than buffer. Discarding\n");
5b435de0
AS		 2512 return 0;
2513 }
2514
83cf17aa
FL		 2515 if (!bi->ctl_ch) {
2516 ch.chspec = le16_to_cpu(bi->chanspec);
2517 cfg->d11inf.decchspec(&ch);
2518 bi->ctl_ch = ch.chnum;
2519 }
2520 channel = bi->ctl_ch;
5b435de0
AS		 2521
2522 if (channel <= CH_MAX_2G_CHANNEL)
2523 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2524 else
2525 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2526
2527 freq = ieee80211_channel_to_frequency(channel, band->band);
2528 notify_channel = ieee80211_get_channel(wiphy, freq);
2529
5b435de0
AS		 2530 notify_capability = le16_to_cpu(bi->capability);
2531 notify_interval = le16_to_cpu(bi->beacon_period);
2532 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2533 notify_ielen = le32_to_cpu(bi->ie_length);
2534 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2535
16886735
AS		 2536 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2537 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2538 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2539 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2540 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
5b435de0 2541
5bc8c1f2
JB		 2542 bss = cfg80211_inform_bss(wiphy, notify_channel,
2543 CFG80211_BSS_FTYPE_UNKNOWN,
2544 (const u8 *)bi->BSSID,
2545 0, notify_capability,
2546 notify_interval, notify_ie,
2547 notify_ielen, notify_signal,
2548 GFP_KERNEL);
5b435de0 2549
e78946e1
FL		 2550 if (!bss)
2551 return -ENOMEM;
2552
5b112d3d 2553 cfg80211_put_bss(wiphy, bss);
5b435de0 2554
12f32370 2555 return 0;
5b435de0
AS		 2556}
2557
6f09be0a
RV		 2558static struct brcmf_bss_info_le *
2559next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2560{
2561 if (bss == NULL)
2562 return list->bss_info_le;
2563 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2564 le32_to_cpu(bss->length));
2565}
2566
27a68fe3 2567static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 2568{
2569 struct brcmf_scan_results *bss_list;
d34bf64f 2570 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
5b435de0
AS		 2571 s32 err = 0;
2572 int i;
2573
ef8596e1 2574 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
0ecd8164
AS		 2575 if (bss_list->count != 0 &&
2576 bss_list->version != BRCMF_BSS_INFO_VERSION) {
57d6e91a
AS		 2577 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2578 bss_list->version);
5b435de0
AS		 2579 return -EOPNOTSUPP;
2580 }
4e8a008e 2581 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
f0799895 2582 for (i = 0; i < bss_list->count; i++) {
6f09be0a 2583 bi = next_bss_le(bss_list, bi);
27a68fe3 2584 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2585 if (err)
2586 break;
2587 }
2588 return err;
2589}
2590
27a68fe3 2591static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 2592 struct net_device *ndev, const u8 *bssid)
2593{
27a68fe3 2594 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0 2595 struct ieee80211_channel *notify_channel;
d34bf64f 2596 struct brcmf_bss_info_le *bi = NULL;
5b435de0 2597 struct ieee80211_supported_band *band;
e78946e1 2598 struct cfg80211_bss *bss;
83cf17aa 2599 struct brcmu_chan ch;
5b435de0
AS		 2600 u8 *buf = NULL;
2601 s32 err = 0;
5b435de0 2602 u32 freq;
5b435de0
AS		 2603 u16 notify_capability;
2604 u16 notify_interval;
2605 u8 *notify_ie;
2606 size_t notify_ielen;
2607 s32 notify_signal;
2608
d96b801f 2609 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2610
2611 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2612 if (buf == NULL) {
2613 err = -ENOMEM;
2614 goto CleanUp;
2615 }
2616
2617 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2618
ac24be6f
AS		 2619 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2620 buf, WL_BSS_INFO_MAX);
5b435de0 2621 if (err) {
57d6e91a 2622 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
5b435de0
AS		 2623 goto CleanUp;
2624 }
2625
d34bf64f 2626 bi = (struct brcmf_bss_info_le *)(buf + 4);
5b435de0 2627
83cf17aa
FL		 2628 ch.chspec = le16_to_cpu(bi->chanspec);
2629 cfg->d11inf.decchspec(&ch);
5b435de0 2630
83cf17aa 2631 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 2632 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2633 else
2634 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2635
83cf17aa 2636 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 2637 notify_channel = ieee80211_get_channel(wiphy, freq);
2638
5b435de0
AS		 2639 notify_capability = le16_to_cpu(bi->capability);
2640 notify_interval = le16_to_cpu(bi->beacon_period);
2641 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2642 notify_ielen = le32_to_cpu(bi->ie_length);
2643 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2644
83cf17aa 2645 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
16886735
AS		 2646 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2647 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2648 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
5b435de0 2649
5bc8c1f2
JB		 2650 bss = cfg80211_inform_bss(wiphy, notify_channel,
2651 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2652 notify_capability, notify_interval,
2653 notify_ie, notify_ielen, notify_signal,
2654 GFP_KERNEL);
5b435de0 2655
e78946e1
FL		 2656 if (!bss) {
2657 err = -ENOMEM;
2658 goto CleanUp;
2659 }
2660
5b112d3d 2661 cfg80211_put_bss(wiphy, bss);
e78946e1 2662
5b435de0
AS		 2663CleanUp:
2664
2665 kfree(buf);
2666
d96b801f 2667 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2668
2669 return err;
2670}
2671
89286dc9
HM		 2672static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2673 struct brcmf_if *ifp)
1a873342 2674{
89286dc9 2675 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
d34bf64f 2676 struct brcmf_bss_info_le *bi;
5b435de0 2677 struct brcmf_ssid *ssid;
4b5800fe 2678 const struct brcmf_tlv *tim;
5b435de0
AS		 2679 u16 beacon_interval;
2680 u8 dtim_period;
2681 size_t ie_len;
2682 u8 *ie;
2683 s32 err = 0;
2684
d96b801f 2685 brcmf_dbg(TRACE, "Enter\n");
128ce3b6 2686 if (brcmf_is_ibssmode(ifp->vif))
5b435de0
AS		 2687 return err;
2688
06bb123e 2689 ssid = &profile->ssid;
5b435de0 2690
27a68fe3 2691 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
ac24be6f 2692 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
81f5dcb8 2693 cfg->extra_buf, WL_EXTRA_BUF_MAX);
5b435de0 2694 if (err) {
57d6e91a 2695 brcmf_err("Could not get bss info %d\n", err);
5b435de0
AS		 2696 goto update_bss_info_out;
2697 }
2698
27a68fe3
AS		 2699 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2700 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2701 if (err)
2702 goto update_bss_info_out;
2703
2704 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2705 ie_len = le32_to_cpu(bi->ie_length);
2706 beacon_interval = le16_to_cpu(bi->beacon_period);
2707
f8e4b412 2708 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
5b435de0
AS		 2709 if (tim)
2710 dtim_period = tim->data[1];
2711 else {
2712 /*
2713 * active scan was done so we could not get dtim
2714 * information out of probe response.
2715 * so we speficially query dtim information to dongle.
2716 */
2717 u32 var;
ac24be6f 2718 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
5b435de0 2719 if (err) {
57d6e91a 2720 brcmf_err("wl dtim_assoc failed (%d)\n", err);
5b435de0
AS		 2721 goto update_bss_info_out;
2722 }
2723 dtim_period = (u8)var;
2724 }
2725
5b435de0 2726update_bss_info_out:
d96b801f 2727 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2728 return err;
2729}
2730
18e2f61d 2731void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
5b435de0 2732{
27a68fe3 2733 struct escan_info *escan = &cfg->escan_info;
5b435de0 2734
c1179033 2735 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
f0799895 2736 if (cfg->scan_request) {
108a4bee 2737 escan->escan_state = WL_ESCAN_STATE_IDLE;
a0f472ac 2738 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
5b435de0 2739 }
c1179033
AS		 2740 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2741 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
5b435de0
AS		 2742}
2743
e756af5b
HM		 2744static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2745{
27a68fe3
AS		 2746 struct brcmf_cfg80211_info *cfg =
2747 container_of(work, struct brcmf_cfg80211_info,
e756af5b
HM		 2748 escan_timeout_work);
2749
ef8596e1 2750 brcmf_inform_bss(cfg);
a0f472ac 2751 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
e756af5b
HM		 2752}
2753
2754static void brcmf_escan_timeout(unsigned long data)
2755{
27a68fe3
AS		 2756 struct brcmf_cfg80211_info *cfg =
2757 (struct brcmf_cfg80211_info *)data;
e756af5b 2758
27a68fe3 2759 if (cfg->scan_request) {
57d6e91a 2760 brcmf_err("timer expired\n");
f0799895 2761 schedule_work(&cfg->escan_timeout_work);
e756af5b
HM		 2762 }
2763}
2764
2765static s32
83cf17aa
FL		 2766brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2767 struct brcmf_bss_info_le *bss,
e756af5b
HM		 2768 struct brcmf_bss_info_le *bss_info_le)
2769{
83cf17aa
FL		 2770 struct brcmu_chan ch_bss, ch_bss_info_le;
2771
2772 ch_bss.chspec = le16_to_cpu(bss->chanspec);
2773 cfg->d11inf.decchspec(&ch_bss);
2774 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
2775 cfg->d11inf.decchspec(&ch_bss_info_le);
2776
e756af5b 2777 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
83cf17aa 2778 ch_bss.band == ch_bss_info_le.band &&
e756af5b
HM		 2779 bss_info_le->SSID_len == bss->SSID_len &&
2780 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
6f5838a4
AS		 2781 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
2782 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
029591f3
AS		 2783 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2784 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2785
e756af5b
HM		 2786 /* preserve max RSSI if the measurements are
2787 * both on-channel or both off-channel
2788 */
029591f3 2789 if (bss_info_rssi > bss_rssi)
e756af5b 2790 bss->RSSI = bss_info_le->RSSI;
6f5838a4
AS		 2791 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
2792 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
e756af5b
HM		 2793 /* preserve the on-channel rssi measurement
2794 * if the new measurement is off channel
2795 */
2796 bss->RSSI = bss_info_le->RSSI;
6f5838a4 2797 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
e756af5b
HM		 2798 }
2799 return 1;
2800 }
2801 return 0;
2802}
2803
2804static s32
1993732e 2805brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
e756af5b
HM		 2806 const struct brcmf_event_msg *e, void *data)
2807{
1993732e 2808 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e756af5b 2809 s32 status;
e756af5b
HM		 2810 struct brcmf_escan_result_le *escan_result_le;
2811 struct brcmf_bss_info_le *bss_info_le;
2812 struct brcmf_bss_info_le *bss = NULL;
2813 u32 bi_length;
2814 struct brcmf_scan_results *list;
2815 u32 i;
97ed15c7 2816 bool aborted;
e756af5b 2817
5c36b99a 2818 status = e->status;
e756af5b 2819
a0f472ac
AS		 2820 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2821 brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
e756af5b
HM		 2822 return -EPERM;
2823 }
2824
2825 if (status == BRCMF_E_STATUS_PARTIAL) {
4e8a008e 2826 brcmf_dbg(SCAN, "ESCAN Partial result\n");
e756af5b
HM		 2827 escan_result_le = (struct brcmf_escan_result_le *) data;
2828 if (!escan_result_le) {
57d6e91a 2829 brcmf_err("Invalid escan result (NULL pointer)\n");
e756af5b
HM		 2830 goto exit;
2831 }
e756af5b 2832 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
57d6e91a
AS		 2833 brcmf_err("Invalid bss_count %d: ignoring\n",
2834 escan_result_le->bss_count);
e756af5b
HM		 2835 goto exit;
2836 }
2837 bss_info_le = &escan_result_le->bss_info_le;
2838
6eda4e2c
HM		 2839 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
2840 goto exit;
2841
2842 if (!cfg->scan_request) {
2843 brcmf_dbg(SCAN, "result without cfg80211 request\n");
2844 goto exit;
2845 }
2846
e756af5b
HM		 2847 bi_length = le32_to_cpu(bss_info_le->length);
2848 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
2849 WL_ESCAN_RESULTS_FIXED_SIZE)) {
57d6e91a
AS		 2850 brcmf_err("Invalid bss_info length %d: ignoring\n",
2851 bi_length);
e756af5b
HM		 2852 goto exit;
2853 }
2854
27a68fe3 2855 if (!(cfg_to_wiphy(cfg)->interface_modes &
e756af5b
HM		 2856 BIT(NL80211_IFTYPE_ADHOC))) {
2857 if (le16_to_cpu(bss_info_le->capability) &
2858 WLAN_CAPABILITY_IBSS) {
57d6e91a 2859 brcmf_err("Ignoring IBSS result\n");
e756af5b
HM		 2860 goto exit;
2861 }
2862 }
2863
2864 list = (struct brcmf_scan_results *)
27a68fe3 2865 cfg->escan_info.escan_buf;
e756af5b 2866 if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
57d6e91a 2867 brcmf_err("Buffer is too small: ignoring\n");
e756af5b
HM		 2868 goto exit;
2869 }
2870
2871 for (i = 0; i < list->count; i++) {
2872 bss = bss ? (struct brcmf_bss_info_le *)
2873 ((unsigned char *)bss +
2874 le32_to_cpu(bss->length)) : list->bss_info_le;
83cf17aa
FL		 2875 if (brcmf_compare_update_same_bss(cfg, bss,
2876 bss_info_le))
e756af5b
HM		 2877 goto exit;
2878 }
27a68fe3 2879 memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
e756af5b
HM		 2880 bss_info_le, bi_length);
2881 list->version = le32_to_cpu(bss_info_le->version);
2882 list->buflen += bi_length;
2883 list->count++;
2884 } else {
27a68fe3 2885 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
6eda4e2c
HM		 2886 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
2887 goto exit;
27a68fe3 2888 if (cfg->scan_request) {
27a68fe3 2889 brcmf_inform_bss(cfg);
97ed15c7 2890 aborted = status != BRCMF_E_STATUS_SUCCESS;
ef8596e1 2891 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
e756af5b 2892 } else
6eda4e2c
HM		 2893 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
2894 status);
e756af5b
HM		 2895 }
2896exit:
12f32370 2897 return 0;
e756af5b
HM		 2898}
2899
27a68fe3 2900static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
e756af5b 2901{
5c36b99a
AS		 2902 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
2903 brcmf_cfg80211_escan_handler);
f0799895
HM		 2904 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2905 /* Init scan_timeout timer */
2906 init_timer(&cfg->escan_timeout);
2907 cfg->escan_timeout.data = (unsigned long) cfg;
2908 cfg->escan_timeout.function = brcmf_escan_timeout;
2909 INIT_WORK(&cfg->escan_timeout_work,
2910 brcmf_cfg80211_escan_timeout_worker);
e756af5b
HM		 2911}
2912
5addc0de 2913static __always_inline void brcmf_delay(u32 ms)
5b435de0
AS		 2914{
2915 if (ms < 1000 / HZ) {
2916 cond_resched();
2917 mdelay(ms);
2918 } else {
2919 msleep(ms);
2920 }
2921}
2922
b9a82f89
HM		 2923static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
2924 u8 *pattern, u32 patternsize, u8 *mask,
2925 u32 packet_offset)
2926{
2927 struct brcmf_fil_wowl_pattern_le *filter;
2928 u32 masksize;
2929 u32 patternoffset;
2930 u8 *buf;
2931 u32 bufsize;
2932 s32 ret;
2933
2934 masksize = (patternsize + 7) / 8;
2935 patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
2936
2937 bufsize = sizeof(*filter) + patternsize + masksize;
2938 buf = kzalloc(bufsize, GFP_KERNEL);
2939 if (!buf)
2940 return -ENOMEM;
2941 filter = (struct brcmf_fil_wowl_pattern_le *)buf;
2942
2943 memcpy(filter->cmd, cmd, 4);
2944 filter->masksize = cpu_to_le32(masksize);
2945 filter->offset = cpu_to_le32(packet_offset);
2946 filter->patternoffset = cpu_to_le32(patternoffset);
2947 filter->patternsize = cpu_to_le32(patternsize);
2948 filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
2949
2950 if ((mask) && (masksize))
2951 memcpy(buf + sizeof(*filter), mask, masksize);
2952 if ((pattern) && (patternsize))
2953 memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
2954
2955 ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
2956
2957 kfree(buf);
2958 return ret;
2959}
2960
5b435de0
AS		 2961static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2962{
4eb3af7c
HM		 2963 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2964 struct net_device *ndev = cfg_to_ndev(cfg);
2965 struct brcmf_if *ifp = netdev_priv(ndev);
2966
d96b801f 2967 brcmf_dbg(TRACE, "Enter\n");
5b435de0 2968
4eb3af7c 2969 if (cfg->wowl_enabled) {
b9a82f89 2970 brcmf_configure_arp_offload(ifp, true);
4eb3af7c
HM		 2971 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
2972 cfg->pre_wowl_pmmode);
4eb3af7c 2973 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
b9a82f89 2974 brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
4eb3af7c
HM		 2975 cfg->wowl_enabled = false;
2976 }
5b435de0
AS		 2977 return 0;
2978}
2979
4eb3af7c
HM		 2980static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
2981 struct brcmf_if *ifp,
2982 struct cfg80211_wowlan *wowl)
2983{
2984 u32 wowl_config;
b9a82f89 2985 u32 i;
4eb3af7c
HM		 2986
2987 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
2988
b9a82f89 2989 brcmf_configure_arp_offload(ifp, false);
4eb3af7c
HM		 2990 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
2991 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
2992
2993 wowl_config = 0;
2994 if (wowl->disconnect)
b9a82f89 2995 wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
4eb3af7c 2996 if (wowl->magic_pkt)
b9a82f89
HM		 2997 wowl_config |= BRCMF_WOWL_MAGIC;
2998 if ((wowl->patterns) && (wowl->n_patterns)) {
2999 wowl_config |= BRCMF_WOWL_NET;
3000 for (i = 0; i < wowl->n_patterns; i++) {
3001 brcmf_config_wowl_pattern(ifp, "add",
3002 (u8 *)wowl->patterns[i].pattern,
3003 wowl->patterns[i].pattern_len,
3004 (u8 *)wowl->patterns[i].mask,
3005 wowl->patterns[i].pkt_offset);
3006 }
3007 }
4eb3af7c
HM		 3008 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
3009 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
3010 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
3011 cfg->wowl_enabled = true;
3012}
3013
5b435de0 3014static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
4eb3af7c 3015 struct cfg80211_wowlan *wowl)
5b435de0 3016{
27a68fe3
AS		 3017 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3018 struct net_device *ndev = cfg_to_ndev(cfg);
4eb3af7c 3019 struct brcmf_if *ifp = netdev_priv(ndev);
7d641072 3020 struct brcmf_cfg80211_vif *vif;
5b435de0 3021
d96b801f 3022 brcmf_dbg(TRACE, "Enter\n");
5b435de0 3023
4eb3af7c 3024 /* if the primary net_device is not READY there is nothing
7d641072 3025 * we can do but pray resume goes smoothly.
5b435de0 3026 */
4eb3af7c 3027 if (!check_vif_up(ifp->vif))
7d641072 3028 goto exit;
5b435de0 3029
7d641072
AS		 3030 /* end any scanning */
3031 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
27a68fe3 3032 brcmf_abort_scanning(cfg);
5b435de0 3033
4eb3af7c
HM		 3034 if (wowl == NULL) {
3035 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
3036 list_for_each_entry(vif, &cfg->vif_list, list) {
3037 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
3038 continue;
3039 /* While going to suspend if associated with AP
3040 * disassociate from AP to save power while system is
3041 * in suspended state
3042 */
3043 brcmf_link_down(vif);
3044 /* Make sure WPA_Supplicant receives all the event
3045 * generated due to DISASSOC call to the fw to keep
3046 * the state fw and WPA_Supplicant state consistent
3047 */
3048 brcmf_delay(500);
3049 }
3050 /* Configure MPC */
3051 brcmf_set_mpc(ifp, 1);
3052
3053 } else {
3054 /* Configure WOWL paramaters */
3055 brcmf_configure_wowl(cfg, ifp, wowl);
3056 }
5b435de0 3057
7d641072 3058exit:
d96b801f 3059 brcmf_dbg(TRACE, "Exit\n");
7d641072
AS		 3060 /* clear any scanning activity */
3061 cfg->scan_status = 0;
5b435de0
AS		 3062 return 0;
3063}
3064
5b435de0
AS		 3065static __used s32
3066brcmf_update_pmklist(struct net_device *ndev,
3067 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
3068{
3069 int i, j;
c15d789e 3070 u32 pmkid_len;
5b435de0 3071
40c8e95a
AS		 3072 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
3073
16886735 3074 brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
40c8e95a 3075 for (i = 0; i < pmkid_len; i++) {
16886735
AS		 3076 brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
3077 &pmk_list->pmkids.pmkid[i].BSSID);
5b435de0 3078 for (j = 0; j < WLAN_PMKID_LEN; j++)
16886735
AS		 3079 brcmf_dbg(CONN, "%02x\n",
3080 pmk_list->pmkids.pmkid[i].PMKID[j]);
5b435de0
AS		 3081 }
3082
3083 if (!err)
ac24be6f
AS		 3084 brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
3085 (char *)pmk_list, sizeof(*pmk_list));
5b435de0
AS		 3086
3087 return err;
3088}
3089
3090static s32
3091brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3092 struct cfg80211_pmksa *pmksa)
3093{
27a68fe3 3094 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 3095 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 3096 struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
5b435de0 3097 s32 err = 0;
c15d789e 3098 u32 pmkid_len, i;
5b435de0 3099
d96b801f 3100 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3101 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3102 return -EIO;
3103
40c8e95a
AS		 3104 pmkid_len = le32_to_cpu(pmkids->npmkid);
3105 for (i = 0; i < pmkid_len; i++)
5b435de0
AS		 3106 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
3107 break;
3108 if (i < WL_NUM_PMKIDS_MAX) {
3109 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
3110 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
40c8e95a
AS		 3111 if (i == pmkid_len) {
3112 pmkid_len++;
3113 pmkids->npmkid = cpu_to_le32(pmkid_len);
3114 }
5b435de0
AS		 3115 } else
3116 err = -EINVAL;
3117
16886735
AS		 3118 brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
3119 pmkids->pmkid[pmkid_len].BSSID);
5b435de0 3120 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 3121 brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
5b435de0 3122
27a68fe3 3123 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 3124
d96b801f 3125 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 3126 return err;
3127}
3128
3129static s32
3130brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3131 struct cfg80211_pmksa *pmksa)
3132{
27a68fe3 3133 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 3134 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 3135 struct pmkid_list pmkid;
3136 s32 err = 0;
c15d789e 3137 u32 pmkid_len, i;
5b435de0 3138
d96b801f 3139 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3140 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3141 return -EIO;
3142
3143 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
3144 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
3145
16886735
AS		 3146 brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
3147 &pmkid.pmkid[0].BSSID);
5b435de0 3148 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 3149 brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
5b435de0 3150
27a68fe3 3151 pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
40c8e95a 3152 for (i = 0; i < pmkid_len; i++)
5b435de0 3153 if (!memcmp
27a68fe3 3154 (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
5b435de0
AS		 3155 ETH_ALEN))
3156 break;
3157
40c8e95a
AS		 3158 if ((pmkid_len > 0)
3159 && (i < pmkid_len)) {
27a68fe3 3160 memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
5b435de0 3161 sizeof(struct pmkid));
40c8e95a 3162 for (; i < (pmkid_len - 1); i++) {
27a68fe3
AS		 3163 memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
3164 &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
5b435de0 3165 ETH_ALEN);
27a68fe3
AS		 3166 memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
3167 &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
5b435de0
AS		 3168 WLAN_PMKID_LEN);
3169 }
27a68fe3 3170 cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
5b435de0
AS		 3171 } else
3172 err = -EINVAL;
3173
27a68fe3 3174 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 3175
d96b801f 3176 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 3177 return err;
3178
3179}
3180
3181static s32
3182brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
3183{
27a68fe3 3184 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 3185 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 3186 s32 err = 0;
3187
d96b801f 3188 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3189 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3190 return -EIO;
3191
27a68fe3
AS		 3192 memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
3193 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 3194
d96b801f 3195 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 3196 return err;
3197
3198}
3199
e5806072
AS		 3200/*
3201 * PFN result doesn't have all the info which are
3202 * required by the supplicant
3203 * (For e.g IEs) Do a target Escan so that sched scan results are reported
3204 * via wl_inform_single_bss in the required format. Escan does require the
3205 * scan request in the form of cfg80211_scan_request. For timebeing, create
3206 * cfg80211_scan_request one out of the received PNO event.
3207 */
3208static s32
1993732e 3209brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
e5806072
AS		 3210 const struct brcmf_event_msg *e, void *data)
3211{
1993732e 3212 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e5806072
AS		 3213 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3214 struct cfg80211_scan_request *request = NULL;
3215 struct cfg80211_ssid *ssid = NULL;
3216 struct ieee80211_channel *channel = NULL;
27a68fe3 3217 struct wiphy *wiphy = cfg_to_wiphy(cfg);
e5806072
AS		 3218 int err = 0;
3219 int channel_req = 0;
3220 int band = 0;
3221 struct brcmf_pno_scanresults_le *pfn_result;
3222 u32 result_count;
3223 u32 status;
3224
4e8a008e 3225 brcmf_dbg(SCAN, "Enter\n");
e5806072 3226
5c36b99a 3227 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
4e8a008e 3228 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
e5806072
AS		 3229 return 0;
3230 }
3231
3232 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3233 result_count = le32_to_cpu(pfn_result->count);
3234 status = le32_to_cpu(pfn_result->status);
3235
3236 /*
3237 * PFN event is limited to fit 512 bytes so we may get
3238 * multiple NET_FOUND events. For now place a warning here.
3239 */
3240 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
4e8a008e 3241 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
e5806072
AS		 3242 if (result_count > 0) {
3243 int i;
3244
3245 request = kzalloc(sizeof(*request), GFP_KERNEL);
58901d18
DC		 3246 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3247 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
e5806072
AS		 3248 if (!request || !ssid || !channel) {
3249 err = -ENOMEM;
3250 goto out_err;
3251 }
3252
3253 request->wiphy = wiphy;
3254 data += sizeof(struct brcmf_pno_scanresults_le);
3255 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3256
3257 for (i = 0; i < result_count; i++) {
3258 netinfo = &netinfo_start[i];
3259 if (!netinfo) {
57d6e91a
AS		 3260 brcmf_err("Invalid netinfo ptr. index: %d\n",
3261 i);
e5806072
AS		 3262 err = -EINVAL;
3263 goto out_err;
3264 }
3265
4e8a008e
AS		 3266 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3267 netinfo->SSID, netinfo->channel);
e5806072
AS		 3268 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3269 ssid[i].ssid_len = netinfo->SSID_len;
3270 request->n_ssids++;
3271
3272 channel_req = netinfo->channel;
3273 if (channel_req <= CH_MAX_2G_CHANNEL)
3274 band = NL80211_BAND_2GHZ;
3275 else
3276 band = NL80211_BAND_5GHZ;
3277 channel[i].center_freq =
3278 ieee80211_channel_to_frequency(channel_req,
3279 band);
3280 channel[i].band = band;
3281 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3282 request->channels[i] = &channel[i];
3283 request->n_channels++;
3284 }
3285
3286 /* assign parsed ssid array */
3287 if (request->n_ssids)
3288 request->ssids = &ssid[0];
3289
c1179033 3290 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
e5806072 3291 /* Abort any on-going scan */
27a68fe3 3292 brcmf_abort_scanning(cfg);
e5806072
AS		 3293 }
3294
c1179033 3295 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2668b0b1 3296 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 3297 err = brcmf_do_escan(cfg, wiphy, ifp, request);
e5806072 3298 if (err) {
c1179033 3299 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e5806072
AS		 3300 goto out_err;
3301 }
27a68fe3
AS		 3302 cfg->sched_escan = true;
3303 cfg->scan_request = request;
e5806072 3304 } else {
57d6e91a 3305 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
e5806072
AS		 3306 goto out_err;
3307 }
3308
3309 kfree(ssid);
3310 kfree(channel);
3311 kfree(request);
3312 return 0;
3313
3314out_err:
3315 kfree(ssid);
3316 kfree(channel);
3317 kfree(request);
3318 cfg80211_sched_scan_stopped(wiphy);
3319 return err;
3320}
3321
e5806072
AS		 3322static int brcmf_dev_pno_clean(struct net_device *ndev)
3323{
e5806072
AS		 3324 int ret;
3325
3326 /* Disable pfn */
ac24be6f 3327 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
e5806072
AS		 3328 if (ret == 0) {
3329 /* clear pfn */
ac24be6f
AS		 3330 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3331 NULL, 0);
e5806072
AS		 3332 }
3333 if (ret < 0)
57d6e91a 3334 brcmf_err("failed code %d\n", ret);
e5806072
AS		 3335
3336 return ret;
3337}
3338
3339static int brcmf_dev_pno_config(struct net_device *ndev)
3340{
3341 struct brcmf_pno_param_le pfn_param;
e5806072
AS		 3342
3343 memset(&pfn_param, 0, sizeof(pfn_param));
3344 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3345
3346 /* set extra pno params */
3347 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3348 pfn_param.repeat = BRCMF_PNO_REPEAT;
3349 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3350
3351 /* set up pno scan fr */
3352 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3353
ac24be6f
AS		 3354 return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
3355 &pfn_param, sizeof(pfn_param));
e5806072
AS		 3356}
3357
3358static int
3359brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3360 struct net_device *ndev,
3361 struct cfg80211_sched_scan_request *request)
3362{
c1179033 3363 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 3364 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
e5806072
AS		 3365 struct brcmf_pno_net_param_le pfn;
3366 int i;
3367 int ret = 0;
3368
dc7bdbf1 3369 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
4e8a008e 3370 request->n_match_sets, request->n_ssids);
c1179033 3371 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 3372 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e5806072
AS		 3373 return -EAGAIN;
3374 }
1687eee2
AS		 3375 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3376 brcmf_err("Scanning suppressed: status (%lu)\n",
3377 cfg->scan_status);
3378 return -EAGAIN;
3379 }
e5806072 3380
dc7bdbf1 3381 if (!request->n_ssids || !request->n_match_sets) {
181f2d17 3382 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
dc7bdbf1 3383 request->n_ssids);
e5806072
AS		 3384 return -EINVAL;
3385 }
3386
3387 if (request->n_ssids > 0) {
3388 for (i = 0; i < request->n_ssids; i++) {
3389 /* Active scan req for ssids */
4e8a008e
AS		 3390 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3391 request->ssids[i].ssid);
e5806072
AS		 3392
3393 /*
3394 * match_set ssids is a supert set of n_ssid list,
3395 * so we need not add these set seperately.
3396 */
3397 }
3398 }
3399
3400 if (request->n_match_sets > 0) {
3401 /* clean up everything */
3402 ret = brcmf_dev_pno_clean(ndev);
3403 if (ret < 0) {
57d6e91a 3404 brcmf_err("failed error=%d\n", ret);
e5806072
AS		 3405 return ret;
3406 }
3407
3408 /* configure pno */
3409 ret = brcmf_dev_pno_config(ndev);
3410 if (ret < 0) {
57d6e91a 3411 brcmf_err("PNO setup failed!! ret=%d\n", ret);
e5806072
AS		 3412 return -EINVAL;
3413 }
3414
3415 /* configure each match set */
3416 for (i = 0; i < request->n_match_sets; i++) {
3417 struct cfg80211_ssid *ssid;
3418 u32 ssid_len;
3419
3420 ssid = &request->match_sets[i].ssid;
3421 ssid_len = ssid->ssid_len;
3422
3423 if (!ssid_len) {
57d6e91a 3424 brcmf_err("skip broadcast ssid\n");
e5806072
AS		 3425 continue;
3426 }
3427 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3428 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3429 pfn.wsec = cpu_to_le32(0);
3430 pfn.infra = cpu_to_le32(1);
3431 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3432 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3433 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
c1179033 3434 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
ac24be6f 3435 sizeof(pfn));
4e8a008e
AS		 3436 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3437 ret == 0 ? "set" : "failed", ssid->ssid);
e5806072
AS		 3438 }
3439 /* Enable the PNO */
c1179033 3440 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
57d6e91a 3441 brcmf_err("PNO enable failed!! ret=%d\n", ret);
e5806072
AS		 3442 return -EINVAL;
3443 }
3444 } else {
3445 return -EINVAL;
3446 }
3447
3448 return 0;
3449}
3450
3451static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3452 struct net_device *ndev)
3453{
27a68fe3 3454 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e5806072 3455
4e8a008e 3456 brcmf_dbg(SCAN, "enter\n");
e5806072 3457 brcmf_dev_pno_clean(ndev);
27a68fe3 3458 if (cfg->sched_escan)
a0f472ac 3459 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
e5806072
AS		 3460 return 0;
3461}
e5806072 3462
1f170110 3463static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
1a873342
HM		 3464{
3465 s32 err;
3466
3467 /* set auth */
ac24be6f 3468 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
1a873342 3469 if (err < 0) {
57d6e91a 3470 brcmf_err("auth error %d\n", err);
1a873342
HM		 3471 return err;
3472 }
3473 /* set wsec */
ac24be6f 3474 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
1a873342 3475 if (err < 0) {
57d6e91a 3476 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3477 return err;
3478 }
3479 /* set upper-layer auth */
ac24be6f 3480 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
1a873342 3481 if (err < 0) {
57d6e91a 3482 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3483 return err;
3484 }
3485
3486 return 0;
3487}
3488
3489static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3490{
3491 if (is_rsn_ie)
3492 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3493
3494 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3495}
3496
3497static s32
a44aa400 3498brcmf_configure_wpaie(struct brcmf_if *ifp,
4b5800fe
JB		 3499 const struct brcmf_vs_tlv *wpa_ie,
3500 bool is_rsn_ie)
1a873342
HM		 3501{
3502 u32 auth = 0; /* d11 open authentication */
3503 u16 count;
3504 s32 err = 0;
3505 s32 len = 0;
3506 u32 i;
3507 u32 wsec;
3508 u32 pval = 0;
3509 u32 gval = 0;
3510 u32 wpa_auth = 0;
3511 u32 offset;
3512 u8 *data;
3513 u16 rsn_cap;
3514 u32 wme_bss_disable;
3515
d96b801f 3516 brcmf_dbg(TRACE, "Enter\n");
1a873342
HM		 3517 if (wpa_ie == NULL)
3518 goto exit;
3519
3520 len = wpa_ie->len + TLV_HDR_LEN;
3521 data = (u8 *)wpa_ie;
619c5a9a 3522 offset = TLV_HDR_LEN;
1a873342
HM		 3523 if (!is_rsn_ie)
3524 offset += VS_IE_FIXED_HDR_LEN;
619c5a9a
HM		 3525 else
3526 offset += WPA_IE_VERSION_LEN;
1a873342
HM		 3527
3528 /* check for multicast cipher suite */
3529 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3530 err = -EINVAL;
57d6e91a 3531 brcmf_err("no multicast cipher suite\n");
1a873342
HM		 3532 goto exit;
3533 }
3534
3535 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3536 err = -EINVAL;
57d6e91a 3537 brcmf_err("ivalid OUI\n");
1a873342
HM		 3538 goto exit;
3539 }
3540 offset += TLV_OUI_LEN;
3541
3542 /* pick up multicast cipher */
3543 switch (data[offset]) {
3544 case WPA_CIPHER_NONE:
3545 gval = 0;
3546 break;
3547 case WPA_CIPHER_WEP_40:
3548 case WPA_CIPHER_WEP_104:
3549 gval = WEP_ENABLED;
3550 break;
3551 case WPA_CIPHER_TKIP:
3552 gval = TKIP_ENABLED;
3553 break;
3554 case WPA_CIPHER_AES_CCM:
3555 gval = AES_ENABLED;
3556 break;
3557 default:
3558 err = -EINVAL;
57d6e91a 3559 brcmf_err("Invalid multi cast cipher info\n");
1a873342
HM		 3560 goto exit;
3561 }
3562
3563 offset++;
3564 /* walk thru unicast cipher list and pick up what we recognize */
3565 count = data[offset] + (data[offset + 1] << 8);
3566 offset += WPA_IE_SUITE_COUNT_LEN;
3567 /* Check for unicast suite(s) */
3568 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3569 err = -EINVAL;
57d6e91a 3570 brcmf_err("no unicast cipher suite\n");
1a873342
HM		 3571 goto exit;
3572 }
3573 for (i = 0; i < count; i++) {
3574 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3575 err = -EINVAL;
57d6e91a 3576 brcmf_err("ivalid OUI\n");
1a873342
HM		 3577 goto exit;
3578 }
3579 offset += TLV_OUI_LEN;
3580 switch (data[offset]) {
3581 case WPA_CIPHER_NONE:
3582 break;
3583 case WPA_CIPHER_WEP_40:
3584 case WPA_CIPHER_WEP_104:
3585 pval |= WEP_ENABLED;
3586 break;
3587 case WPA_CIPHER_TKIP:
3588 pval |= TKIP_ENABLED;
3589 break;
3590 case WPA_CIPHER_AES_CCM:
3591 pval |= AES_ENABLED;
3592 break;
3593 default:
57d6e91a 3594 brcmf_err("Ivalid unicast security info\n");
1a873342
HM		 3595 }
3596 offset++;
3597 }
3598 /* walk thru auth management suite list and pick up what we recognize */
3599 count = data[offset] + (data[offset + 1] << 8);
3600 offset += WPA_IE_SUITE_COUNT_LEN;
3601 /* Check for auth key management suite(s) */
3602 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3603 err = -EINVAL;
57d6e91a 3604 brcmf_err("no auth key mgmt suite\n");
1a873342
HM		 3605 goto exit;
3606 }
3607 for (i = 0; i < count; i++) {
3608 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3609 err = -EINVAL;
57d6e91a 3610 brcmf_err("ivalid OUI\n");
1a873342
HM		 3611 goto exit;
3612 }
3613 offset += TLV_OUI_LEN;
3614 switch (data[offset]) {
3615 case RSN_AKM_NONE:
d96b801f 3616 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
1a873342
HM		 3617 wpa_auth |= WPA_AUTH_NONE;
3618 break;
3619 case RSN_AKM_UNSPECIFIED:
d96b801f 3620 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
1a873342
HM		 3621 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3622 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3623 break;
3624 case RSN_AKM_PSK:
d96b801f 3625 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
1a873342
HM		 3626 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3627 (wpa_auth |= WPA_AUTH_PSK);
3628 break;
3629 default:
57d6e91a 3630 brcmf_err("Ivalid key mgmt info\n");
1a873342
HM		 3631 }
3632 offset++;
3633 }
3634
3635 if (is_rsn_ie) {
3636 wme_bss_disable = 1;
3637 if ((offset + RSN_CAP_LEN) <= len) {
3638 rsn_cap = data[offset] + (data[offset + 1] << 8);
3639 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3640 wme_bss_disable = 0;
3641 }
3642 /* set wme_bss_disable to sync RSN Capabilities */
ac24be6f 3643 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
81f5dcb8 3644 wme_bss_disable);
1a873342 3645 if (err < 0) {
57d6e91a 3646 brcmf_err("wme_bss_disable error %d\n", err);
1a873342
HM		 3647 goto exit;
3648 }
3649 }
3650 /* FOR WPS , set SES_OW_ENABLED */
3651 wsec = (pval | gval | SES_OW_ENABLED);
3652
3653 /* set auth */
ac24be6f 3654 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
1a873342 3655 if (err < 0) {
57d6e91a 3656 brcmf_err("auth error %d\n", err);
1a873342
HM		 3657 goto exit;
3658 }
3659 /* set wsec */
ac24be6f 3660 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
1a873342 3661 if (err < 0) {
57d6e91a 3662 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3663 goto exit;
3664 }
3665 /* set upper-layer auth */
ac24be6f 3666 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
1a873342 3667 if (err < 0) {
57d6e91a 3668 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3669 goto exit;
3670 }
3671
3672exit:
3673 return err;
3674}
3675
3676static s32
3082b9be 3677brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
1a873342
HM		 3678 struct parsed_vndr_ies *vndr_ies)
3679{
1a873342
HM		 3680 struct brcmf_vs_tlv *vndrie;
3681 struct brcmf_tlv *ie;
3682 struct parsed_vndr_ie_info *parsed_info;
3683 s32 remaining_len;
3684
3685 remaining_len = (s32)vndr_ie_len;
3686 memset(vndr_ies, 0, sizeof(*vndr_ies));
3687
3688 ie = (struct brcmf_tlv *)vndr_ie_buf;
3689 while (ie) {
3690 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
3691 goto next;
3692 vndrie = (struct brcmf_vs_tlv *)ie;
3693 /* len should be bigger than OUI length + one */
3694 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
57d6e91a
AS		 3695 brcmf_err("invalid vndr ie. length is too small %d\n",
3696 vndrie->len);
1a873342
HM		 3697 goto next;
3698 }
3699 /* if wpa or wme ie, do not add ie */
3700 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
3701 ((vndrie->oui_type == WPA_OUI_TYPE) ||
3702 (vndrie->oui_type == WME_OUI_TYPE))) {
d96b801f 3703 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
1a873342
HM		 3704 goto next;
3705 }
3706
3707 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
3708
3709 /* save vndr ie information */
3710 parsed_info->ie_ptr = (char *)vndrie;
3711 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
3712 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
3713
3714 vndr_ies->count++;
3715
d96b801f
AS		 3716 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
3717 parsed_info->vndrie.oui[0],
3718 parsed_info->vndrie.oui[1],
3719 parsed_info->vndrie.oui[2],
3720 parsed_info->vndrie.oui_type);
1a873342 3721
9f440b7b 3722 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
1a873342
HM		 3723 break;
3724next:
b41fc3d7
HM		 3725 remaining_len -= (ie->len + TLV_HDR_LEN);
3726 if (remaining_len <= TLV_HDR_LEN)
1a873342
HM		 3727 ie = NULL;
3728 else
b41fc3d7
HM		 3729 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
3730 TLV_HDR_LEN);
1a873342 3731 }
12f32370 3732 return 0;
1a873342
HM		 3733}
3734
3735static u32
3736brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
3737{
3738
3739 __le32 iecount_le;
3740 __le32 pktflag_le;
3741
3742 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
3743 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
3744
3745 iecount_le = cpu_to_le32(1);
3746 memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le));
3747
3748 pktflag_le = cpu_to_le32(pktflag);
3749 memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le));
3750
3751 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
3752
3753 return ie_len + VNDR_IE_HDR_SIZE;
3754}
3755
1332e26e
AS		 3756s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
3757 const u8 *vndr_ie_buf, u32 vndr_ie_len)
1a873342 3758{
1332e26e
AS		 3759 struct brcmf_if *ifp;
3760 struct vif_saved_ie *saved_ie;
1a873342
HM		 3761 s32 err = 0;
3762 u8 *iovar_ie_buf;
3763 u8 *curr_ie_buf;
3764 u8 *mgmt_ie_buf = NULL;
3e4f319d 3765 int mgmt_ie_buf_len;
81118d16 3766 u32 *mgmt_ie_len;
1a873342
HM		 3767 u32 del_add_ie_buf_len = 0;
3768 u32 total_ie_buf_len = 0;
3769 u32 parsed_ie_buf_len = 0;
3770 struct parsed_vndr_ies old_vndr_ies;
3771 struct parsed_vndr_ies new_vndr_ies;
3772 struct parsed_vndr_ie_info *vndrie_info;
3773 s32 i;
3774 u8 *ptr;
3e4f319d 3775 int remained_buf_len;
1a873342 3776
1332e26e
AS		 3777 if (!vif)
3778 return -ENODEV;
3779 ifp = vif->ifp;
3780 saved_ie = &vif->saved_ie;
3781
d96b801f 3782 brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
1a873342
HM		 3783 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3784 if (!iovar_ie_buf)
3785 return -ENOMEM;
3786 curr_ie_buf = iovar_ie_buf;
89286dc9
HM		 3787 switch (pktflag) {
3788 case BRCMF_VNDR_IE_PRBREQ_FLAG:
3789 mgmt_ie_buf = saved_ie->probe_req_ie;
3790 mgmt_ie_len = &saved_ie->probe_req_ie_len;
3791 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
3792 break;
3793 case BRCMF_VNDR_IE_PRBRSP_FLAG:
3794 mgmt_ie_buf = saved_ie->probe_res_ie;
3795 mgmt_ie_len = &saved_ie->probe_res_ie_len;
3796 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
3797 break;
3798 case BRCMF_VNDR_IE_BEACON_FLAG:
3799 mgmt_ie_buf = saved_ie->beacon_ie;
3800 mgmt_ie_len = &saved_ie->beacon_ie_len;
3801 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
3802 break;
3803 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
3804 mgmt_ie_buf = saved_ie->assoc_req_ie;
3805 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
3806 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
3807 break;
3808 default:
3809 err = -EPERM;
3810 brcmf_err("not suitable type\n");
3811 goto exit;
1a873342
HM		 3812 }
3813
3814 if (vndr_ie_len > mgmt_ie_buf_len) {
3815 err = -ENOMEM;
57d6e91a 3816 brcmf_err("extra IE size too big\n");
1a873342
HM		 3817 goto exit;
3818 }
3819
3820 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
3821 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
3822 ptr = curr_ie_buf;
3823 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
3824 for (i = 0; i < new_vndr_ies.count; i++) {
3825 vndrie_info = &new_vndr_ies.ie_info[i];
3826 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
3827 vndrie_info->ie_len);
3828 parsed_ie_buf_len += vndrie_info->ie_len;
3829 }
3830 }
3831
b41fc3d7 3832 if (mgmt_ie_buf && *mgmt_ie_len) {
1a873342
HM		 3833 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
3834 (memcmp(mgmt_ie_buf, curr_ie_buf,
3835 parsed_ie_buf_len) == 0)) {
d96b801f 3836 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
1a873342
HM		 3837 goto exit;
3838 }
3839
3840 /* parse old vndr_ie */
3841 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
3842
3843 /* make a command to delete old ie */
3844 for (i = 0; i < old_vndr_ies.count; i++) {
3845 vndrie_info = &old_vndr_ies.ie_info[i];
3846
d96b801f
AS		 3847 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
3848 vndrie_info->vndrie.id,
3849 vndrie_info->vndrie.len,
3850 vndrie_info->vndrie.oui[0],
3851 vndrie_info->vndrie.oui[1],
3852 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3853
3854 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3855 vndrie_info->ie_ptr,
3856 vndrie_info->ie_len,
3857 "del");
3858 curr_ie_buf += del_add_ie_buf_len;
3859 total_ie_buf_len += del_add_ie_buf_len;
3860 }
3861 }
3862
3863 *mgmt_ie_len = 0;
3864 /* Add if there is any extra IE */
3865 if (mgmt_ie_buf && parsed_ie_buf_len) {
3866 ptr = mgmt_ie_buf;
3867
3868 remained_buf_len = mgmt_ie_buf_len;
3869
3870 /* make a command to add new ie */
3871 for (i = 0; i < new_vndr_ies.count; i++) {
3872 vndrie_info = &new_vndr_ies.ie_info[i];
3873
b41fc3d7
HM		 3874 /* verify remained buf size before copy data */
3875 if (remained_buf_len < (vndrie_info->vndrie.len +
3876 VNDR_IE_VSIE_OFFSET)) {
57d6e91a
AS		 3877 brcmf_err("no space in mgmt_ie_buf: len left %d",
3878 remained_buf_len);
b41fc3d7
HM		 3879 break;
3880 }
3881 remained_buf_len -= (vndrie_info->ie_len +
3882 VNDR_IE_VSIE_OFFSET);
3883
d96b801f
AS		 3884 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
3885 vndrie_info->vndrie.id,
3886 vndrie_info->vndrie.len,
3887 vndrie_info->vndrie.oui[0],
3888 vndrie_info->vndrie.oui[1],
3889 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3890
3891 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3892 vndrie_info->ie_ptr,
3893 vndrie_info->ie_len,
3894 "add");
1a873342
HM		 3895
3896 /* save the parsed IE in wl struct */
3897 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
3898 vndrie_info->ie_len);
3899 *mgmt_ie_len += vndrie_info->ie_len;
3900
3901 curr_ie_buf += del_add_ie_buf_len;
3902 total_ie_buf_len += del_add_ie_buf_len;
3903 }
3904 }
3905 if (total_ie_buf_len) {
c1179033 3906 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
81f5dcb8 3907 total_ie_buf_len);
1a873342 3908 if (err)
57d6e91a 3909 brcmf_err("vndr ie set error : %d\n", err);
1a873342
HM		 3910 }
3911
3912exit:
3913 kfree(iovar_ie_buf);
3914 return err;
3915}
3916
5f4f9f11
AS		 3917s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
3918{
3919 s32 pktflags[] = {
3920 BRCMF_VNDR_IE_PRBREQ_FLAG,
3921 BRCMF_VNDR_IE_PRBRSP_FLAG,
3922 BRCMF_VNDR_IE_BEACON_FLAG
3923 };
3924 int i;
3925
3926 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
3927 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
3928
3929 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
3930 return 0;
3931}
3932
a0f07959
HM		 3933static s32
3934brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
3935 struct cfg80211_beacon_data *beacon)
3936{
3937 s32 err;
3938
3939 /* Set Beacon IEs to FW */
3940 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
3941 beacon->tail, beacon->tail_len);
3942 if (err) {
3943 brcmf_err("Set Beacon IE Failed\n");
3944 return err;
3945 }
3946 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
3947
3948 /* Set Probe Response IEs to FW */
3949 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
3950 beacon->proberesp_ies,
3951 beacon->proberesp_ies_len);
3952 if (err)
3953 brcmf_err("Set Probe Resp IE Failed\n");
3954 else
3955 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
3956
3957 return err;
3958}
3959
1a873342
HM		 3960static s32
3961brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
3962 struct cfg80211_ap_settings *settings)
3963{
3964 s32 ie_offset;
1c9d30cf 3965 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
ac24be6f 3966 struct brcmf_if *ifp = netdev_priv(ndev);
4b5800fe 3967 const struct brcmf_tlv *ssid_ie;
1a873342 3968 struct brcmf_ssid_le ssid_le;
1a873342 3969 s32 err = -EPERM;
4b5800fe
JB		 3970 const struct brcmf_tlv *rsn_ie;
3971 const struct brcmf_vs_tlv *wpa_ie;
1a873342 3972 struct brcmf_join_params join_params;
a0f07959
HM		 3973 enum nl80211_iftype dev_role;
3974 struct brcmf_fil_bss_enable_le bss_enable;
06c01585 3975 u16 chanspec;
a44aa400 3976 bool mbss;
1a873342 3977
06c01585
AS		 3978 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
3979 settings->chandef.chan->hw_value,
3980 settings->chandef.center_freq1, settings->chandef.width,
a9a56878 3981 settings->beacon_interval, settings->dtim_period);
d96b801f
AS		 3982 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
3983 settings->ssid, settings->ssid_len, settings->auth_type,
3984 settings->inactivity_timeout);
1a873342 3985
426d0a56 3986 dev_role = ifp->vif->wdev.iftype;
a44aa400 3987 mbss = ifp->vif->mbss;
1a873342
HM		 3988
3989 memset(&ssid_le, 0, sizeof(ssid_le));
3990 if (settings->ssid == NULL || settings->ssid_len == 0) {
3991 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
3992 ssid_ie = brcmf_parse_tlvs(
3993 (u8 *)&settings->beacon.head[ie_offset],
3994 settings->beacon.head_len - ie_offset,
3995 WLAN_EID_SSID);
3996 if (!ssid_ie)
3997 return -EINVAL;
3998
3999 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
4000 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
d96b801f 4001 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
1a873342
HM		 4002 } else {
4003 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
4004 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
4005 }
4006
a44aa400
HM		 4007 if (!mbss) {
4008 brcmf_set_mpc(ifp, 0);
4009 brcmf_configure_arp_offload(ifp, false);
4010 }
1a873342
HM		 4011
4012 /* find the RSN_IE */
4013 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4014 settings->beacon.tail_len, WLAN_EID_RSN);
4015
4016 /* find the WPA_IE */
4017 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
4018 settings->beacon.tail_len);
4019
1a873342 4020 if ((wpa_ie != NULL || rsn_ie != NULL)) {
d96b801f 4021 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
1a873342
HM		 4022 if (wpa_ie != NULL) {
4023 /* WPA IE */
a44aa400 4024 err = brcmf_configure_wpaie(ifp, wpa_ie, false);
1a873342
HM		 4025 if (err < 0)
4026 goto exit;
1a873342 4027 } else {
a44aa400
HM		 4028 struct brcmf_vs_tlv *tmp_ie;
4029
4030 tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
4031
1a873342 4032 /* RSN IE */
a44aa400 4033 err = brcmf_configure_wpaie(ifp, tmp_ie, true);
1a873342
HM		 4034 if (err < 0)
4035 goto exit;
1a873342 4036 }
1a873342 4037 } else {
d96b801f 4038 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
1f170110 4039 brcmf_configure_opensecurity(ifp);
1a873342 4040 }
1a873342 4041
a0f07959 4042 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
1a873342 4043
a44aa400
HM		 4044 if (!mbss) {
4045 chanspec = chandef_to_chanspec(&cfg->d11inf,
4046 &settings->chandef);
4047 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
1a873342 4048 if (err < 0) {
a44aa400
HM		 4049 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4050 chanspec, err);
1a873342
HM		 4051 goto exit;
4052 }
a44aa400
HM		 4053
4054 if (settings->beacon_interval) {
4055 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
4056 settings->beacon_interval);
4057 if (err < 0) {
4058 brcmf_err("Beacon Interval Set Error, %d\n",
4059 err);
4060 goto exit;
4061 }
4062 }
4063 if (settings->dtim_period) {
4064 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
4065 settings->dtim_period);
4066 if (err < 0) {
4067 brcmf_err("DTIM Interval Set Error, %d\n", err);
4068 goto exit;
4069 }
1a873342 4070 }
a0f07959 4071
a44aa400
HM		 4072 if (dev_role == NL80211_IFTYPE_AP) {
4073 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4074 if (err < 0) {
4075 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4076 goto exit;
4077 }
4078 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
4079 }
4080
4081 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
a0f07959 4082 if (err < 0) {
a44aa400 4083 brcmf_err("SET INFRA error %d\n", err);
a0f07959
HM		 4084 goto exit;
4085 }
1a873342 4086 }
a0f07959 4087 if (dev_role == NL80211_IFTYPE_AP) {
a44aa400
HM		 4088 if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
4089 brcmf_fil_iovar_int_set(ifp, "mbss", 1);
4090
a0f07959
HM		 4091 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
4092 if (err < 0) {
4093 brcmf_err("setting AP mode failed %d\n", err);
4094 goto exit;
4095 }
4096 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4097 if (err < 0) {
4098 brcmf_err("BRCMF_C_UP error (%d)\n", err);
4099 goto exit;
4100 }
118eb304
HM		 4101 /* On DOWN the firmware removes the WEP keys, reconfigure
4102 * them if they were set.
4103 */
4104 brcmf_cfg80211_reconfigure_wep(ifp);
a0f07959
HM		 4105
4106 memset(&join_params, 0, sizeof(join_params));
4107 /* join parameters starts with ssid */
4108 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
4109 /* create softap */
4110 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4111 &join_params, sizeof(join_params));
4112 if (err < 0) {
4113 brcmf_err("SET SSID error (%d)\n", err);
4114 goto exit;
4115 }
4116 brcmf_dbg(TRACE, "AP mode configuration complete\n");
4117 } else {
4118 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
4119 sizeof(ssid_le));
4120 if (err < 0) {
4121 brcmf_err("setting ssid failed %d\n", err);
4122 goto exit;
4123 }
4124 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
4125 bss_enable.enable = cpu_to_le32(1);
4126 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4127 sizeof(bss_enable));
4128 if (err < 0) {
4129 brcmf_err("bss_enable config failed %d\n", err);
4130 goto exit;
4131 }
4132
4133 brcmf_dbg(TRACE, "GO mode configuration complete\n");
4134 }
c1179033
AS		 4135 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
4136 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
1a873342
HM		 4137
4138exit:
a44aa400 4139 if ((err) && (!mbss)) {
f96aa07e 4140 brcmf_set_mpc(ifp, 1);
b3657453
HM		 4141 brcmf_configure_arp_offload(ifp, true);
4142 }
1a873342
HM		 4143 return err;
4144}
4145
4146static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
4147{
c1179033 4148 struct brcmf_if *ifp = netdev_priv(ndev);
5c33a942 4149 s32 err;
426d0a56 4150 struct brcmf_fil_bss_enable_le bss_enable;
5c33a942 4151 struct brcmf_join_params join_params;
1a873342 4152
d96b801f 4153 brcmf_dbg(TRACE, "Enter\n");
1a873342 4154
426d0a56 4155 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
1a873342
HM		 4156 /* Due to most likely deauths outstanding we sleep */
4157 /* first to make sure they get processed by fw. */
4158 msleep(400);
5c33a942 4159
a44aa400
HM		 4160 if (ifp->vif->mbss) {
4161 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4162 return err;
4163 }
4164
5c33a942
HM		 4165 memset(&join_params, 0, sizeof(join_params));
4166 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4167 &join_params, sizeof(join_params));
4168 if (err < 0)
4169 brcmf_err("SET SSID error (%d)\n", err);
a44aa400 4170 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
5c33a942 4171 if (err < 0)
a44aa400 4172 brcmf_err("BRCMF_C_DOWN error %d\n", err);
5c33a942
HM		 4173 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
4174 if (err < 0)
4175 brcmf_err("setting AP mode failed %d\n", err);
4176 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
4177 if (err < 0)
4178 brcmf_err("setting INFRA mode failed %d\n", err);
a44aa400
HM		 4179 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
4180 brcmf_fil_iovar_int_set(ifp, "mbss", 0);
4181 /* Bring device back up so it can be used again */
4182 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4183 if (err < 0)
4184 brcmf_err("BRCMF_C_UP error %d\n", err);
426d0a56
HM		 4185 } else {
4186 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
4187 bss_enable.enable = cpu_to_le32(0);
4188 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4189 sizeof(bss_enable));
4190 if (err < 0)
4191 brcmf_err("bss_enable config failed %d\n", err);
1a873342 4192 }
f96aa07e 4193 brcmf_set_mpc(ifp, 1);
b3657453 4194 brcmf_configure_arp_offload(ifp, true);
426d0a56
HM		 4195 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
4196 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
4197
1a873342
HM		 4198 return err;
4199}
4200
a0f07959
HM		 4201static s32
4202brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
4203 struct cfg80211_beacon_data *info)
4204{
a0f07959
HM		 4205 struct brcmf_if *ifp = netdev_priv(ndev);
4206 s32 err;
4207
4208 brcmf_dbg(TRACE, "Enter\n");
4209
a0f07959
HM		 4210 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
4211
4212 return err;
4213}
4214
1a873342
HM		 4215static int
4216brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
89c771e5 4217 struct station_del_parameters *params)
1a873342 4218{
a0f07959 4219 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1a873342 4220 struct brcmf_scb_val_le scbval;
0abb5f21 4221 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 4222 s32 err;
4223
89c771e5 4224 if (!params->mac)
1a873342
HM		 4225 return -EFAULT;
4226
89c771e5 4227 brcmf_dbg(TRACE, "Enter %pM\n", params->mac);
1a873342 4228
a0f07959
HM		 4229 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4230 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
ce81e317 4231 if (!check_vif_up(ifp->vif))
1a873342
HM		 4232 return -EIO;
4233
89c771e5 4234 memcpy(&scbval.ea, params->mac, ETH_ALEN);
1a873342 4235 scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
0abb5f21 4236 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
81f5dcb8 4237 &scbval, sizeof(scbval));
1a873342 4238 if (err)
57d6e91a 4239 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
7ab6acd0 4240
d96b801f 4241 brcmf_dbg(TRACE, "Exit\n");
1a873342
HM		 4242 return err;
4243}
4244
0de8aace
HM		 4245
4246static void
4247brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4248 struct wireless_dev *wdev,
4249 u16 frame_type, bool reg)
4250{
7fa2e352 4251 struct brcmf_cfg80211_vif *vif;
0de8aace
HM		 4252 u16 mgmt_type;
4253
4254 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4255
4256 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
7fa2e352 4257 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
0de8aace
HM		 4258 if (reg)
4259 vif->mgmt_rx_reg |= BIT(mgmt_type);
4260 else
318a64ce 4261 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
0de8aace
HM		 4262}
4263
4264
4265static int
4266brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 4267 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
0de8aace
HM		 4268{
4269 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
b176e629
AO		 4270 struct ieee80211_channel *chan = params->chan;
4271 const u8 *buf = params->buf;
4272 size_t len = params->len;
0de8aace
HM		 4273 const struct ieee80211_mgmt *mgmt;
4274 struct brcmf_cfg80211_vif *vif;
4275 s32 err = 0;
4276 s32 ie_offset;
4277 s32 ie_len;
18e2f61d
HM		 4278 struct brcmf_fil_action_frame_le *action_frame;
4279 struct brcmf_fil_af_params_le *af_params;
4280 bool ack;
4281 s32 chan_nr;
c2ff8cad 4282 u32 freq;
0de8aace
HM		 4283
4284 brcmf_dbg(TRACE, "Enter\n");
4285
4286 *cookie = 0;
4287
4288 mgmt = (const struct ieee80211_mgmt *)buf;
4289
a0f07959
HM		 4290 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4291 brcmf_err("Driver only allows MGMT packet type\n");
4292 return -EPERM;
4293 }
0de8aace 4294
c2ff8cad
AQ		 4295 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4296
a0f07959
HM		 4297 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4298 /* Right now the only reason to get a probe response */
4299 /* is for p2p listen response or for p2p GO from */
4300 /* wpa_supplicant. Unfortunately the probe is send */
4301 /* on primary ndev, while dongle wants it on the p2p */
4302 /* vif. Since this is only reason for a probe */
4303 /* response to be sent, the vif is taken from cfg. */
4304 /* If ever desired to send proberesp for non p2p */
4305 /* response then data should be checked for */
4306 /* "DIRECT-". Note in future supplicant will take */
4307 /* dedicated p2p wdev to do this and then this 'hack'*/
4308 /* is not needed anymore. */
4309 ie_offset = DOT11_MGMT_HDR_LEN +
4310 DOT11_BCN_PRB_FIXED_LEN;
4311 ie_len = len - ie_offset;
a0f07959 4312 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
0de8aace 4313 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
a0f07959
HM		 4314 err = brcmf_vif_set_mgmt_ie(vif,
4315 BRCMF_VNDR_IE_PRBRSP_FLAG,
4316 &buf[ie_offset],
4317 ie_len);
4318 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4319 GFP_KERNEL);
18e2f61d
HM		 4320 } else if (ieee80211_is_action(mgmt->frame_control)) {
4321 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4322 if (af_params == NULL) {
4323 brcmf_err("unable to allocate frame\n");
4324 err = -ENOMEM;
4325 goto exit;
4326 }
4327 action_frame = &af_params->action_frame;
4328 /* Add the packet Id */
4329 action_frame->packet_id = cpu_to_le32(*cookie);
4330 /* Add BSSID */
4331 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4332 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4333 /* Add the length exepted for 802.11 header */
4334 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
c2ff8cad
AQ		 4335 /* Add the channel. Use the one specified as parameter if any or
4336 * the current one (got from the firmware) otherwise
4337 */
4338 if (chan)
4339 freq = chan->center_freq;
4340 else
4341 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4342 &freq);
4343 chan_nr = ieee80211_frequency_to_channel(freq);
18e2f61d
HM		 4344 af_params->channel = cpu_to_le32(chan_nr);
4345
4346 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4347 le16_to_cpu(action_frame->len));
4348
4349 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
86a9c4a2 4350 *cookie, le16_to_cpu(action_frame->len), freq);
18e2f61d 4351
7fa2e352 4352 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
18e2f61d
HM		 4353 af_params);
4354
4355 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4356 GFP_KERNEL);
4357 kfree(af_params);
a0f07959
HM		 4358 } else {
4359 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4360 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
0de8aace 4361 }
a0f07959 4362
18e2f61d 4363exit:
0de8aace
HM		 4364 return err;
4365}
4366
4367
4368static int
4369brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4370 struct wireless_dev *wdev,
4371 u64 cookie)
4372{
4373 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4374 struct brcmf_cfg80211_vif *vif;
4375 int err = 0;
4376
4377 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4378
4379 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4380 if (vif == NULL) {
4381 brcmf_err("No p2p device available for probe response\n");
4382 err = -ENODEV;
4383 goto exit;
4384 }
4385 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4386exit:
4387 return err;
4388}
4389
61730d4d
PH		 4390static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4391 struct wireless_dev *wdev,
4392 enum nl80211_crit_proto_id proto,
4393 u16 duration)
4394{
4395 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4396 struct brcmf_cfg80211_vif *vif;
4397
4398 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4399
4400 /* only DHCP support for now */
4401 if (proto != NL80211_CRIT_PROTO_DHCP)
4402 return -EINVAL;
4403
4404 /* suppress and abort scanning */
4405 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4406 brcmf_abort_scanning(cfg);
4407
4408 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4409}
4410
4411static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4412 struct wireless_dev *wdev)
4413{
4414 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4415 struct brcmf_cfg80211_vif *vif;
4416
4417 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4418
4419 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4420 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4421}
4422
70b7d94b
HM		 4423static s32
4424brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4425 const struct brcmf_event_msg *e, void *data)
4426{
4427 switch (e->reason) {
4428 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
4429 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
4430 break;
4431 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
4432 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
4433 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4434 break;
4435 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
4436 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
4437 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4438 break;
4439 }
4440
4441 return 0;
4442}
4443
89c2f382
AS		 4444static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4445{
4446 int ret;
4447
4448 switch (oper) {
4449 case NL80211_TDLS_DISCOVERY_REQ:
4450 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4451 break;
4452 case NL80211_TDLS_SETUP:
4453 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4454 break;
4455 case NL80211_TDLS_TEARDOWN:
4456 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4457 break;
4458 default:
4459 brcmf_err("unsupported operation: %d\n", oper);
4460 ret = -EOPNOTSUPP;
4461 }
4462 return ret;
4463}
4464
4465static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
3b3a0162 4466 struct net_device *ndev, const u8 *peer,
89c2f382
AS		 4467 enum nl80211_tdls_operation oper)
4468{
4469 struct brcmf_if *ifp;
4470 struct brcmf_tdls_iovar_le info;
4471 int ret = 0;
4472
4473 ret = brcmf_convert_nl80211_tdls_oper(oper);
4474 if (ret < 0)
4475 return ret;
4476
4477 ifp = netdev_priv(ndev);
4478 memset(&info, 0, sizeof(info));
4479 info.mode = (u8)ret;
4480 if (peer)
4481 memcpy(info.ea, peer, ETH_ALEN);
4482
4483 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
4484 &info, sizeof(info));
4485 if (ret < 0)
4486 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
4487
4488 return ret;
4489}
4490
5b435de0 4491static struct cfg80211_ops wl_cfg80211_ops = {
9f440b7b
AS		 4492 .add_virtual_intf = brcmf_cfg80211_add_iface,
4493 .del_virtual_intf = brcmf_cfg80211_del_iface,
5b435de0
AS		 4494 .change_virtual_intf = brcmf_cfg80211_change_iface,
4495 .scan = brcmf_cfg80211_scan,
4496 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
4497 .join_ibss = brcmf_cfg80211_join_ibss,
4498 .leave_ibss = brcmf_cfg80211_leave_ibss,
4499 .get_station = brcmf_cfg80211_get_station,
4500 .set_tx_power = brcmf_cfg80211_set_tx_power,
4501 .get_tx_power = brcmf_cfg80211_get_tx_power,
4502 .add_key = brcmf_cfg80211_add_key,
4503 .del_key = brcmf_cfg80211_del_key,
4504 .get_key = brcmf_cfg80211_get_key,
4505 .set_default_key = brcmf_cfg80211_config_default_key,
4506 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
4507 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
5b435de0
AS		 4508 .connect = brcmf_cfg80211_connect,
4509 .disconnect = brcmf_cfg80211_disconnect,
4510 .suspend = brcmf_cfg80211_suspend,
4511 .resume = brcmf_cfg80211_resume,
4512 .set_pmksa = brcmf_cfg80211_set_pmksa,
4513 .del_pmksa = brcmf_cfg80211_del_pmksa,
cbaa177d 4514 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
1a873342
HM		 4515 .start_ap = brcmf_cfg80211_start_ap,
4516 .stop_ap = brcmf_cfg80211_stop_ap,
a0f07959 4517 .change_beacon = brcmf_cfg80211_change_beacon,
1a873342 4518 .del_station = brcmf_cfg80211_del_station,
e5806072
AS		 4519 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
4520 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
0de8aace
HM		 4521 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
4522 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
4523 .remain_on_channel = brcmf_p2p_remain_on_channel,
4524 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
27f10e38
AS		 4525 .start_p2p_device = brcmf_p2p_start_device,
4526 .stop_p2p_device = brcmf_p2p_stop_device,
61730d4d
PH		 4527 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
4528 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
89c2f382 4529 .tdls_oper = brcmf_cfg80211_tdls_oper,
5b435de0
AS		 4530};
4531
3eacf866 4532struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
9f440b7b
AS		 4533 enum nl80211_iftype type,
4534 bool pm_block)
3eacf866 4535{
a44aa400 4536 struct brcmf_cfg80211_vif *vif_walk;
3eacf866 4537 struct brcmf_cfg80211_vif *vif;
a44aa400 4538 bool mbss;
5b435de0 4539
33a6b157 4540 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
9f440b7b 4541 sizeof(*vif));
3eacf866
AS		 4542 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
4543 if (!vif)
4544 return ERR_PTR(-ENOMEM);
4545
4546 vif->wdev.wiphy = cfg->wiphy;
9f440b7b 4547 vif->wdev.iftype = type;
5b435de0 4548
3eacf866
AS		 4549 vif->pm_block = pm_block;
4550 vif->roam_off = -1;
4551
6ac4f4ed
AS		 4552 brcmf_init_prof(&vif->profile);
4553
a44aa400
HM		 4554 if (type == NL80211_IFTYPE_AP) {
4555 mbss = false;
4556 list_for_each_entry(vif_walk, &cfg->vif_list, list) {
4557 if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) {
4558 mbss = true;
4559 break;
4560 }
4561 }
4562 vif->mbss = mbss;
4563 }
4564
3eacf866 4565 list_add_tail(&vif->list, &cfg->vif_list);
3eacf866 4566 return vif;
5b435de0
AS		 4567}
4568
427dec5f 4569void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5b435de0 4570{
3eacf866 4571 list_del(&vif->list);
3eacf866 4572 kfree(vif);
5b435de0
AS		 4573}
4574
9df4d542
AS		 4575void brcmf_cfg80211_free_netdev(struct net_device *ndev)
4576{
4577 struct brcmf_cfg80211_vif *vif;
4578 struct brcmf_if *ifp;
4579
4580 ifp = netdev_priv(ndev);
4581 vif = ifp->vif;
4582
4583 brcmf_free_vif(vif);
4584 free_netdev(ndev);
4585}
4586
903e0eee 4587static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
5b435de0 4588{
5c36b99a
AS		 4589 u32 event = e->event_code;
4590 u32 status = e->status;
5b435de0
AS		 4591
4592 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
16886735 4593 brcmf_dbg(CONN, "Processing set ssid\n");
5b435de0
AS		 4594 return true;
4595 }
4596
4597 return false;
4598}
4599
903e0eee 4600static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
5b435de0 4601{
5c36b99a
AS		 4602 u32 event = e->event_code;
4603 u16 flags = e->flags;
5b435de0 4604
68ca395f
HM		 4605 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
4606 (event == BRCMF_E_DISASSOC_IND) ||
4607 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
16886735 4608 brcmf_dbg(CONN, "Processing link down\n");
5b435de0
AS		 4609 return true;
4610 }
4611 return false;
4612}
4613
27a68fe3 4614static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4615 const struct brcmf_event_msg *e)
4616{
5c36b99a
AS		 4617 u32 event = e->event_code;
4618 u32 status = e->status;
5b435de0
AS		 4619
4620 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
16886735
AS		 4621 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
4622 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
5b435de0
AS		 4623 return true;
4624 }
4625
4626 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
16886735 4627 brcmf_dbg(CONN, "Processing connecting & no network found\n");
5b435de0
AS		 4628 return true;
4629 }
4630
4631 return false;
4632}
4633
27a68fe3 4634static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5b435de0 4635{
27a68fe3 4636 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4637
4638 kfree(conn_info->req_ie);
4639 conn_info->req_ie = NULL;
4640 conn_info->req_ie_len = 0;
4641 kfree(conn_info->resp_ie);
4642 conn_info->resp_ie = NULL;
4643 conn_info->resp_ie_len = 0;
4644}
4645
89286dc9
HM		 4646static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
4647 struct brcmf_if *ifp)
5b435de0 4648{
c4e382d2 4649 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
27a68fe3 4650 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4651 u32 req_len;
4652 u32 resp_len;
4653 s32 err = 0;
4654
27a68fe3 4655 brcmf_clear_assoc_ies(cfg);
5b435de0 4656
ac24be6f
AS		 4657 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
4658 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5b435de0 4659 if (err) {
57d6e91a 4660 brcmf_err("could not get assoc info (%d)\n", err);
5b435de0
AS		 4661 return err;
4662 }
c4e382d2 4663 assoc_info =
27a68fe3 4664 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
c4e382d2
AS		 4665 req_len = le32_to_cpu(assoc_info->req_len);
4666 resp_len = le32_to_cpu(assoc_info->resp_len);
5b435de0 4667 if (req_len) {
ac24be6f 4668 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
81f5dcb8
HM		 4669 cfg->extra_buf,
4670 WL_ASSOC_INFO_MAX);
5b435de0 4671 if (err) {
57d6e91a 4672 brcmf_err("could not get assoc req (%d)\n", err);
5b435de0
AS		 4673 return err;
4674 }
4675 conn_info->req_ie_len = req_len;
4676 conn_info->req_ie =
27a68fe3 4677 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5b435de0
AS		 4678 GFP_KERNEL);
4679 } else {
4680 conn_info->req_ie_len = 0;
4681 conn_info->req_ie = NULL;
4682 }
4683 if (resp_len) {
ac24be6f 4684 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
81f5dcb8
HM		 4685 cfg->extra_buf,
4686 WL_ASSOC_INFO_MAX);
5b435de0 4687 if (err) {
57d6e91a 4688 brcmf_err("could not get assoc resp (%d)\n", err);
5b435de0
AS		 4689 return err;
4690 }
4691 conn_info->resp_ie_len = resp_len;
4692 conn_info->resp_ie =
27a68fe3 4693 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5b435de0
AS		 4694 GFP_KERNEL);
4695 } else {
4696 conn_info->resp_ie_len = 0;
4697 conn_info->resp_ie = NULL;
4698 }
16886735
AS		 4699 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
4700 conn_info->req_ie_len, conn_info->resp_ie_len);
5b435de0
AS		 4701
4702 return err;
4703}
4704
4705static s32
27a68fe3 4706brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4707 struct net_device *ndev,
4708 const struct brcmf_event_msg *e)
4709{
c1179033
AS		 4710 struct brcmf_if *ifp = netdev_priv(ndev);
4711 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3
AS		 4712 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4713 struct wiphy *wiphy = cfg_to_wiphy(cfg);
a180b83b 4714 struct ieee80211_channel *notify_channel = NULL;
5b435de0 4715 struct ieee80211_supported_band *band;
a180b83b 4716 struct brcmf_bss_info_le *bi;
83cf17aa 4717 struct brcmu_chan ch;
5b435de0
AS		 4718 u32 freq;
4719 s32 err = 0;
a180b83b 4720 u8 *buf;
5b435de0 4721
d96b801f 4722 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4723
89286dc9 4724 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4725 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9 4726 brcmf_update_bss_info(cfg, ifp);
5b435de0 4727
a180b83b
FL		 4728 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
4729 if (buf == NULL) {
4730 err = -ENOMEM;
4731 goto done;
4732 }
4733
4734 /* data sent to dongle has to be little endian */
4735 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
c1179033 4736 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
ac24be6f 4737 buf, WL_BSS_INFO_MAX);
a180b83b
FL		 4738
4739 if (err)
4740 goto done;
5b435de0 4741
a180b83b 4742 bi = (struct brcmf_bss_info_le *)(buf + 4);
83cf17aa
FL		 4743 ch.chspec = le16_to_cpu(bi->chanspec);
4744 cfg->d11inf.decchspec(&ch);
5b435de0 4745
83cf17aa 4746 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 4747 band = wiphy->bands[IEEE80211_BAND_2GHZ];
4748 else
4749 band = wiphy->bands[IEEE80211_BAND_5GHZ];
4750
83cf17aa 4751 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 4752 notify_channel = ieee80211_get_channel(wiphy, freq);
4753
a180b83b
FL		 4754done:
4755 kfree(buf);
06bb123e 4756 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
5b435de0
AS		 4757 conn_info->req_ie, conn_info->req_ie_len,
4758 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
16886735 4759 brcmf_dbg(CONN, "Report roaming result\n");
5b435de0 4760
c1179033 4761 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
d96b801f 4762 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 4763 return err;
4764}
4765
4766static s32
27a68fe3 4767brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4768 struct net_device *ndev, const struct brcmf_event_msg *e,
4769 bool completed)
4770{
c1179033
AS		 4771 struct brcmf_if *ifp = netdev_priv(ndev);
4772 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3 4773 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0 4774
d96b801f 4775 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4776
c1179033
AS		 4777 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4778 &ifp->vif->sme_state)) {
5b435de0 4779 if (completed) {
89286dc9 4780 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4781 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9
HM		 4782 brcmf_update_bss_info(cfg, ifp);
4783 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4784 &ifp->vif->sme_state);
5b435de0
AS		 4785 }
4786 cfg80211_connect_result(ndev,
06bb123e 4787 (u8 *)profile->bssid,
5b435de0
AS		 4788 conn_info->req_ie,
4789 conn_info->req_ie_len,
4790 conn_info->resp_ie,
4791 conn_info->resp_ie_len,
4792 completed ? WLAN_STATUS_SUCCESS :
4793 WLAN_STATUS_AUTH_TIMEOUT,
4794 GFP_KERNEL);
16886735
AS		 4795 brcmf_dbg(CONN, "Report connect result - connection %s\n",
4796 completed ? "succeeded" : "failed");
5b435de0 4797 }
d96b801f 4798 brcmf_dbg(TRACE, "Exit\n");
12f32370 4799 return 0;
5b435de0
AS		 4800}
4801
4802static s32
27a68fe3 4803brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
1a873342
HM		 4804 struct net_device *ndev,
4805 const struct brcmf_event_msg *e, void *data)
4806{
a44aa400 4807 struct brcmf_if *ifp = netdev_priv(ndev);
7ee29602 4808 static int generation;
5c36b99a
AS		 4809 u32 event = e->event_code;
4810 u32 reason = e->reason;
1a873342
HM		 4811 struct station_info sinfo;
4812
16886735 4813 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
5f4f9f11
AS		 4814 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
4815 ndev != cfg_to_ndev(cfg)) {
4816 brcmf_dbg(CONN, "AP mode link down\n");
4817 complete(&cfg->vif_disabled);
a44aa400
HM		 4818 if (ifp->vif->mbss)
4819 brcmf_remove_interface(ifp->drvr, ifp->bssidx);
5f4f9f11
AS		 4820 return 0;
4821 }
1a873342 4822
1a873342 4823 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
7ee29602
HM		 4824 (reason == BRCMF_E_STATUS_SUCCESS)) {
4825 memset(&sinfo, 0, sizeof(sinfo));
1a873342
HM		 4826 sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
4827 if (!data) {
57d6e91a 4828 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
1a873342
HM		 4829 return -EINVAL;
4830 }
4831 sinfo.assoc_req_ies = data;
7ee29602 4832 sinfo.assoc_req_ies_len = e->datalen;
1a873342
HM		 4833 generation++;
4834 sinfo.generation = generation;
7ee29602 4835 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
1a873342
HM		 4836 } else if ((event == BRCMF_E_DISASSOC_IND) ||
4837 (event == BRCMF_E_DEAUTH_IND) ||
4838 (event == BRCMF_E_DEAUTH)) {
7ee29602 4839 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
1a873342 4840 }
7ee29602 4841 return 0;
1a873342
HM		 4842}
4843
5b435de0 4844static s32
1993732e 4845brcmf_notify_connect_status(struct brcmf_if *ifp,
5b435de0
AS		 4846 const struct brcmf_event_msg *e, void *data)
4847{
1993732e
AS		 4848 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4849 struct net_device *ndev = ifp->ndev;
c1179033 4850 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
fe94f3a4 4851 struct ieee80211_channel *chan;
5b435de0
AS		 4852 s32 err = 0;
4853
8851cce0
HM		 4854 if ((e->event_code == BRCMF_E_DEAUTH) ||
4855 (e->event_code == BRCMF_E_DEAUTH_IND) ||
4856 (e->event_code == BRCMF_E_DISASSOC_IND) ||
4857 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
4858 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4859 }
4860
967fe2c8 4861 if (brcmf_is_apmode(ifp->vif)) {
27a68fe3 4862 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
903e0eee 4863 } else if (brcmf_is_linkup(e)) {
16886735 4864 brcmf_dbg(CONN, "Linkup\n");
128ce3b6 4865 if (brcmf_is_ibssmode(ifp->vif)) {
fe94f3a4 4866 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
6c8c4f72 4867 memcpy(profile->bssid, e->addr, ETH_ALEN);
27a68fe3 4868 wl_inform_ibss(cfg, ndev, e->addr);
fe94f3a4 4869 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
c1179033
AS		 4870 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4871 &ifp->vif->sme_state);
4872 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4873 &ifp->vif->sme_state);
5b435de0 4874 } else
27a68fe3 4875 brcmf_bss_connect_done(cfg, ndev, e, true);
903e0eee 4876 } else if (brcmf_is_linkdown(e)) {
16886735 4877 brcmf_dbg(CONN, "Linkdown\n");
128ce3b6 4878 if (!brcmf_is_ibssmode(ifp->vif)) {
27a68fe3 4879 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0 4880 }
903e0eee 4881 brcmf_link_down(ifp->vif);
6ac4f4ed 4882 brcmf_init_prof(ndev_to_prof(ndev));
5f4f9f11
AS		 4883 if (ndev != cfg_to_ndev(cfg))
4884 complete(&cfg->vif_disabled);
27a68fe3 4885 } else if (brcmf_is_nonetwork(cfg, e)) {
128ce3b6 4886 if (brcmf_is_ibssmode(ifp->vif))
c1179033
AS		 4887 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4888 &ifp->vif->sme_state);
5b435de0 4889 else
27a68fe3 4890 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0
AS		 4891 }
4892
4893 return err;
4894}
4895
4896static s32
1993732e 4897brcmf_notify_roaming_status(struct brcmf_if *ifp,
5b435de0
AS		 4898 const struct brcmf_event_msg *e, void *data)
4899{
1993732e 4900 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5c36b99a
AS		 4901 u32 event = e->event_code;
4902 u32 status = e->status;
5b435de0
AS		 4903
4904 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
c1179033 4905 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
1993732e 4906 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
5b435de0 4907 else
1993732e 4908 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
5b435de0
AS		 4909 }
4910
12f32370 4911 return 0;
5b435de0
AS		 4912}
4913
4914static s32
1993732e 4915brcmf_notify_mic_status(struct brcmf_if *ifp,
5b435de0
AS		 4916 const struct brcmf_event_msg *e, void *data)
4917{
5c36b99a 4918 u16 flags = e->flags;
5b435de0
AS		 4919 enum nl80211_key_type key_type;
4920
4921 if (flags & BRCMF_EVENT_MSG_GROUP)
4922 key_type = NL80211_KEYTYPE_GROUP;
4923 else
4924 key_type = NL80211_KEYTYPE_PAIRWISE;
4925
1993732e 4926 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
5b435de0
AS		 4927 NULL, GFP_KERNEL);
4928
4929 return 0;
4930}
4931
d3c0b633
AS		 4932static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
4933 const struct brcmf_event_msg *e, void *data)
4934{
4935 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4936 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
4937 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
4938 struct brcmf_cfg80211_vif *vif;
4939
4940 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
4941 ifevent->action, ifevent->flags, ifevent->ifidx,
4942 ifevent->bssidx);
4943
d3c0b633
AS		 4944 mutex_lock(&event->vif_event_lock);
4945 event->action = ifevent->action;
4946 vif = event->vif;
4947
4948 switch (ifevent->action) {
4949 case BRCMF_E_IF_ADD:
4950 /* waiting process may have timed out */
dc4a787c
WY		 4951 if (!cfg->vif_event.vif) {
4952 mutex_unlock(&event->vif_event_lock);
d3c0b633 4953 return -EBADF;
dc4a787c 4954 }
d3c0b633
AS		 4955
4956 ifp->vif = vif;
4957 vif->ifp = ifp;
01b8e7db
AS		 4958 if (ifp->ndev) {
4959 vif->wdev.netdev = ifp->ndev;
4960 ifp->ndev->ieee80211_ptr = &vif->wdev;
4961 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
4962 }
d3c0b633
AS		 4963 mutex_unlock(&event->vif_event_lock);
4964 wake_up(&event->vif_wq);
4b3a89de 4965 return 0;
d3c0b633
AS		 4966
4967 case BRCMF_E_IF_DEL:
d3c0b633
AS		 4968 mutex_unlock(&event->vif_event_lock);
4969 /* event may not be upon user request */
4970 if (brcmf_cfg80211_vif_event_armed(cfg))
4971 wake_up(&event->vif_wq);
4972 return 0;
4973
7a5c1f64
HM		 4974 case BRCMF_E_IF_CHANGE:
4975 mutex_unlock(&event->vif_event_lock);
4976 wake_up(&event->vif_wq);
4977 return 0;
4978
d3c0b633
AS		 4979 default:
4980 mutex_unlock(&event->vif_event_lock);
4981 break;
4982 }
4983 return -EINVAL;
4984}
4985
5b435de0
AS		 4986static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
4987{
5b435de0
AS		 4988 conf->frag_threshold = (u32)-1;
4989 conf->rts_threshold = (u32)-1;
4990 conf->retry_short = (u32)-1;
4991 conf->retry_long = (u32)-1;
4992 conf->tx_power = -1;
4993}
4994
5c36b99a 4995static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5b435de0 4996{
5c36b99a
AS		 4997 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
4998 brcmf_notify_connect_status);
4999 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
5000 brcmf_notify_connect_status);
5001 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
5002 brcmf_notify_connect_status);
5003 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
5004 brcmf_notify_connect_status);
5005 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
5006 brcmf_notify_connect_status);
5007 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
5008 brcmf_notify_connect_status);
5009 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
5010 brcmf_notify_roaming_status);
5011 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
5012 brcmf_notify_mic_status);
5013 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
5014 brcmf_notify_connect_status);
5015 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
5016 brcmf_notify_sched_scan_results);
d3c0b633
AS		 5017 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
5018 brcmf_notify_vif_event);
0de8aace 5019 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
6eda4e2c 5020 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
0de8aace
HM		 5021 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
5022 brcmf_p2p_notify_listen_complete);
e6da3400
HM		 5023 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
5024 brcmf_p2p_notify_action_frame_rx);
18e2f61d
HM		 5025 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
5026 brcmf_p2p_notify_action_tx_complete);
6eda4e2c
HM		 5027 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
5028 brcmf_p2p_notify_action_tx_complete);
5b435de0
AS		 5029}
5030
27a68fe3
AS		 5031static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
5032{
27a68fe3
AS		 5033 kfree(cfg->conf);
5034 cfg->conf = NULL;
27a68fe3
AS		 5035 kfree(cfg->escan_ioctl_buf);
5036 cfg->escan_ioctl_buf = NULL;
27a68fe3
AS		 5037 kfree(cfg->extra_buf);
5038 cfg->extra_buf = NULL;
27a68fe3
AS		 5039 kfree(cfg->pmk_list);
5040 cfg->pmk_list = NULL;
27a68fe3
AS		 5041}
5042
5043static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
5044{
27a68fe3
AS		 5045 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
5046 if (!cfg->conf)
5b435de0 5047 goto init_priv_mem_out;
27a68fe3
AS		 5048 cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5049 if (!cfg->escan_ioctl_buf)
e756af5b 5050 goto init_priv_mem_out;
27a68fe3
AS		 5051 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
5052 if (!cfg->extra_buf)
5b435de0 5053 goto init_priv_mem_out;
27a68fe3
AS		 5054 cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
5055 if (!cfg->pmk_list)
5b435de0
AS		 5056 goto init_priv_mem_out;
5057
5058 return 0;
5059
5060init_priv_mem_out:
27a68fe3 5061 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5062
5063 return -ENOMEM;
5064}
5065
27a68fe3 5066static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5067{
5068 s32 err = 0;
5069
27a68fe3
AS		 5070 cfg->scan_request = NULL;
5071 cfg->pwr_save = true;
68ca395f
HM		 5072 cfg->active_scan = true; /* we do active scan per default */
5073 cfg->dongle_up = false; /* dongle is not up yet */
27a68fe3 5074 err = brcmf_init_priv_mem(cfg);
5b435de0
AS		 5075 if (err)
5076 return err;
5c36b99a 5077 brcmf_register_event_handlers(cfg);
27a68fe3 5078 mutex_init(&cfg->usr_sync);
27a68fe3
AS		 5079 brcmf_init_escan(cfg);
5080 brcmf_init_conf(cfg->conf);
5f4f9f11 5081 init_completion(&cfg->vif_disabled);
5b435de0
AS		 5082 return err;
5083}
5084
27a68fe3 5085static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5b435de0 5086{
27a68fe3 5087 cfg->dongle_up = false; /* dongle down */
27a68fe3
AS		 5088 brcmf_abort_scanning(cfg);
5089 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5090}
5091
d3c0b633
AS		 5092static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
5093{
5094 init_waitqueue_head(&event->vif_wq);
d3c0b633
AS		 5095 mutex_init(&event->vif_event_lock);
5096}
5097
5b435de0 5098static s32
68ca395f 5099brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
5b435de0 5100{
5b435de0 5101 s32 err = 0;
f588bc0c
AS		 5102 __le32 roamtrigger[2];
5103 __le32 roam_delta[2];
5b435de0
AS		 5104
5105 /*
5106 * Setup timeout if Beacons are lost and roam is
5107 * off to report link down
5108 */
68ca395f 5109 if (brcmf_roamoff) {
ac24be6f 5110 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5b435de0 5111 if (err) {
57d6e91a 5112 brcmf_err("bcn_timeout error (%d)\n", err);
5b435de0
AS		 5113 goto dongle_rom_out;
5114 }
5115 }
5116
5117 /*
5118 * Enable/Disable built-in roaming to allow supplicant
5119 * to take care of roaming
5120 */
68ca395f
HM		 5121 brcmf_dbg(INFO, "Internal Roaming = %s\n",
5122 brcmf_roamoff ? "Off" : "On");
5123 err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
5b435de0 5124 if (err) {
57d6e91a 5125 brcmf_err("roam_off error (%d)\n", err);
5b435de0
AS		 5126 goto dongle_rom_out;
5127 }
5128
f588bc0c
AS		 5129 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
5130 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5131 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
81f5dcb8 5132 (void *)roamtrigger, sizeof(roamtrigger));
5b435de0 5133 if (err) {
57d6e91a 5134 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
5b435de0
AS		 5135 goto dongle_rom_out;
5136 }
5137
f588bc0c
AS		 5138 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
5139 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5140 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
81f5dcb8 5141 (void *)roam_delta, sizeof(roam_delta));
5b435de0 5142 if (err) {
57d6e91a 5143 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
5b435de0
AS		 5144 goto dongle_rom_out;
5145 }
5146
5147dongle_rom_out:
5148 return err;
5149}
5150
5151static s32
40a23296 5152brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
c68cdc0f 5153 s32 scan_unassoc_time, s32 scan_passive_time)
5b435de0
AS		 5154{
5155 s32 err = 0;
5156
ac24be6f 5157 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
81f5dcb8 5158 scan_assoc_time);
5b435de0
AS		 5159 if (err) {
5160 if (err == -EOPNOTSUPP)
647c9ae0 5161 brcmf_dbg(INFO, "Scan assoc time is not supported\n");
5b435de0 5162 else
57d6e91a 5163 brcmf_err("Scan assoc time error (%d)\n", err);
5b435de0
AS		 5164 goto dongle_scantime_out;
5165 }
ac24be6f 5166 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
81f5dcb8 5167 scan_unassoc_time);
5b435de0
AS		 5168 if (err) {
5169 if (err == -EOPNOTSUPP)
647c9ae0 5170 brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
5b435de0 5171 else
57d6e91a 5172 brcmf_err("Scan unassoc time error (%d)\n", err);
5b435de0
AS		 5173 goto dongle_scantime_out;
5174 }
5175
ac24be6f 5176 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
81f5dcb8 5177 scan_passive_time);
5b435de0
AS		 5178 if (err) {
5179 if (err == -EOPNOTSUPP)
647c9ae0 5180 brcmf_dbg(INFO, "Scan passive time is not supported\n");
5b435de0 5181 else
57d6e91a 5182 brcmf_err("Scan passive time error (%d)\n", err);
5b435de0
AS		 5183 goto dongle_scantime_out;
5184 }
5185
5186dongle_scantime_out:
5187 return err;
5188}
5189
b48d8916
AS		 5190/* Filter the list of channels received from firmware counting only
5191 * the 20MHz channels. The wiphy band data only needs those which get
5192 * flagged to indicate if they can take part in higher bandwidth.
5193 */
5194static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
5195 struct brcmf_chanspec_list *chlist,
5196 u32 chcnt[])
5197{
5198 u32 total = le32_to_cpu(chlist->count);
5199 struct brcmu_chan ch;
5200 int i;
5201
f8adaf0a 5202 for (i = 0; i < total; i++) {
b48d8916
AS		 5203 ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
5204 cfg->d11inf.decchspec(&ch);
5205
5206 /* Firmware gives a ordered list. We skip non-20MHz
5207 * channels is 2G. For 5G we can abort upon reaching
5208 * a non-20MHz channel in the list.
5209 */
5210 if (ch.bw != BRCMU_CHAN_BW_20) {
5211 if (ch.band == BRCMU_CHAN_BAND_5G)
5212 break;
5213 else
5214 continue;
5215 }
5216
5217 if (ch.band == BRCMU_CHAN_BAND_2G)
5218 chcnt[0] += 1;
5219 else if (ch.band == BRCMU_CHAN_BAND_5G)
5220 chcnt[1] += 1;
5221 }
5222}
5223
5224static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
5225 struct brcmu_chan *ch)
5226{
5227 u32 ht40_flag;
d48200ba 5228
b48d8916
AS		 5229 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
5230 if (ch->sb == BRCMU_CHAN_SB_U) {
5231 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5232 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5233 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5234 } else {
5235 /* It should be one of
5236 * IEEE80211_CHAN_NO_HT40 or
5237 * IEEE80211_CHAN_NO_HT40PLUS
5238 */
5239 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5240 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5241 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5242 }
5243}
5244
5245static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5246 u32 bw_cap[])
d48200ba
HM		 5247{
5248 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
b48d8916
AS		 5249 struct ieee80211_supported_band *band;
5250 struct ieee80211_channel *channel;
5251 struct wiphy *wiphy;
d48200ba 5252 struct brcmf_chanspec_list *list;
83cf17aa 5253 struct brcmu_chan ch;
b48d8916 5254 int err;
d48200ba
HM		 5255 u8 *pbuf;
5256 u32 i, j;
5257 u32 total;
b48d8916
AS		 5258 u32 chaninfo;
5259 u32 chcnt[2] = { 0, 0 };
d48200ba 5260 u32 index;
d48200ba
HM		 5261
5262 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5263
5264 if (pbuf == NULL)
5265 return -ENOMEM;
5266
5267 list = (struct brcmf_chanspec_list *)pbuf;
5268
5269 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5270 BRCMF_DCMD_MEDLEN);
5271 if (err) {
5272 brcmf_err("get chanspecs error (%d)\n", err);
b48d8916 5273 goto fail_pbuf;
d48200ba
HM		 5274 }
5275
b48d8916
AS		 5276 brcmf_count_20mhz_channels(cfg, list, chcnt);
5277 wiphy = cfg_to_wiphy(cfg);
5278 if (chcnt[0]) {
5279 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
5280 GFP_KERNEL);
5281 if (band == NULL) {
5282 err = -ENOMEM;
5283 goto fail_pbuf;
5284 }
5285 band->channels = kcalloc(chcnt[0], sizeof(*channel),
5286 GFP_KERNEL);
5287 if (band->channels == NULL) {
5288 kfree(band);
5289 err = -ENOMEM;
5290 goto fail_pbuf;
5291 }
5292 band->n_channels = 0;
5293 wiphy->bands[IEEE80211_BAND_2GHZ] = band;
5294 }
5295 if (chcnt[1]) {
5296 band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
5297 GFP_KERNEL);
5298 if (band == NULL) {
5299 err = -ENOMEM;
5300 goto fail_band2g;
5301 }
5302 band->channels = kcalloc(chcnt[1], sizeof(*channel),
5303 GFP_KERNEL);
5304 if (band->channels == NULL) {
5305 kfree(band);
5306 err = -ENOMEM;
5307 goto fail_band2g;
5308 }
5309 band->n_channels = 0;
5310 wiphy->bands[IEEE80211_BAND_5GHZ] = band;
5311 }
d48200ba
HM		 5312
5313 total = le32_to_cpu(list->count);
5314 for (i = 0; i < total; i++) {
83cf17aa
FL		 5315 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5316 cfg->d11inf.decchspec(&ch);
d48200ba 5317
83cf17aa 5318 if (ch.band == BRCMU_CHAN_BAND_2G) {
b48d8916 5319 band = wiphy->bands[IEEE80211_BAND_2GHZ];
83cf17aa 5320 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
b48d8916 5321 band = wiphy->bands[IEEE80211_BAND_5GHZ];
d48200ba 5322 } else {
2375d970 5323 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
d48200ba
HM		 5324 continue;
5325 }
b48d8916 5326 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
2375d970 5327 ch.bw == BRCMU_CHAN_BW_40)
d48200ba 5328 continue;
b48d8916 5329 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
ee942ecc
AS		 5330 ch.bw == BRCMU_CHAN_BW_80)
5331 continue;
b48d8916
AS		 5332
5333 channel = band->channels;
5334 index = band->n_channels;
5335 for (j = 0; j < band->n_channels; j++) {
5336 if (channel[j].hw_value == ch.chnum) {
5337 index = j;
d48200ba
HM		 5338 break;
5339 }
5340 }
b48d8916
AS		 5341 channel[index].center_freq =
5342 ieee80211_channel_to_frequency(ch.chnum, band->band);
5343 channel[index].hw_value = ch.chnum;
5344
5345 /* assuming the chanspecs order is HT20,
5346 * HT40 upper, HT40 lower, and VHT80.
5347 */
5348 if (ch.bw == BRCMU_CHAN_BW_80) {
5349 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5350 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5351 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5352 } else {
5353 /* disable other bandwidths for now as mentioned
5354 * order assure they are enabled for subsequent
5355 * chanspecs.
ee942ecc 5356 */
b48d8916
AS		 5357 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5358 IEEE80211_CHAN_NO_80MHZ;
5359 ch.bw = BRCMU_CHAN_BW_20;
5360 cfg->d11inf.encchspec(&ch);
5361 chaninfo = ch.chspec;
5362 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5363 &chaninfo);
5364 if (!err) {
5365 if (chaninfo & WL_CHAN_RADAR)
5366 channel[index].flags |=
5367 (IEEE80211_CHAN_RADAR |
5368 IEEE80211_CHAN_NO_IR);
5369 if (chaninfo & WL_CHAN_PASSIVE)
5370 channel[index].flags |=
5371 IEEE80211_CHAN_NO_IR;
d48200ba 5372 }
d48200ba 5373 }
b48d8916
AS		 5374 if (index == band->n_channels)
5375 band->n_channels++;
d48200ba 5376 }
b48d8916
AS		 5377 kfree(pbuf);
5378 return 0;
5379
5380fail_band2g:
5381 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5382 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5383 wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
5384fail_pbuf:
d48200ba
HM		 5385 kfree(pbuf);
5386 return err;
5387}
5388
b48d8916 5389static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
aa70b4fa 5390{
b48d8916
AS		 5391 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5392 struct ieee80211_supported_band *band;
aa70b4fa 5393 struct brcmf_fil_bwcap_le band_bwcap;
b48d8916
AS		 5394 struct brcmf_chanspec_list *list;
5395 u8 *pbuf;
aa70b4fa
AS		 5396 u32 val;
5397 int err;
b48d8916
AS		 5398 struct brcmu_chan ch;
5399 u32 num_chan;
5400 int i, j;
aa70b4fa
AS		 5401
5402 /* verify support for bw_cap command */
5403 val = WLC_BAND_5G;
5404 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5405
5406 if (!err) {
5407 /* only set 2G bandwidth using bw_cap command */
5408 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5409 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5410 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5411 sizeof(band_bwcap));
5412 } else {
5413 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5414 val = WLC_N_BW_40ALL;
5415 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5416 }
b48d8916
AS		 5417
5418 if (!err) {
5419 /* update channel info in 2G band */
5420 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5421
5422 if (pbuf == NULL)
5423 return -ENOMEM;
5424
5425 ch.band = BRCMU_CHAN_BAND_2G;
5426 ch.bw = BRCMU_CHAN_BW_40;
fac7d2a3 5427 ch.sb = BRCMU_CHAN_SB_NONE;
b48d8916
AS		 5428 ch.chnum = 0;
5429 cfg->d11inf.encchspec(&ch);
5430
5431 /* pass encoded chanspec in query */
5432 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5433
5434 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5435 BRCMF_DCMD_MEDLEN);
5436 if (err) {
5437 brcmf_err("get chanspecs error (%d)\n", err);
5438 kfree(pbuf);
5439 return err;
5440 }
5441
5442 band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
5443 list = (struct brcmf_chanspec_list *)pbuf;
5444 num_chan = le32_to_cpu(list->count);
5445 for (i = 0; i < num_chan; i++) {
5446 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5447 cfg->d11inf.decchspec(&ch);
5448 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5449 continue;
5450 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5451 continue;
5452 for (j = 0; j < band->n_channels; j++) {
5453 if (band->channels[j].hw_value == ch.chnum)
5454 break;
5455 }
5456 if (WARN_ON(j == band->n_channels))
5457 continue;
5458
5459 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5460 }
fac7d2a3 5461 kfree(pbuf);
b48d8916 5462 }
aa70b4fa
AS		 5463 return err;
5464}
5465
2375d970
AS		 5466static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5467{
5468 u32 band, mimo_bwcap;
5469 int err;
5470
5471 band = WLC_BAND_2G;
5472 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5473 if (!err) {
5474 bw_cap[IEEE80211_BAND_2GHZ] = band;
5475 band = WLC_BAND_5G;
5476 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5477 if (!err) {
5478 bw_cap[IEEE80211_BAND_5GHZ] = band;
5479 return;
5480 }
5481 WARN_ON(1);
5482 return;
5483 }
5484 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5485 mimo_bwcap = 0;
5486 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5487 if (err)
5488 /* assume 20MHz if firmware does not give a clue */
5489 mimo_bwcap = WLC_N_BW_20ALL;
5490
5491 switch (mimo_bwcap) {
5492 case WLC_N_BW_40ALL:
5493 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
5494 /* fall-thru */
5495 case WLC_N_BW_20IN2G_40IN5G:
5496 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
5497 /* fall-thru */
5498 case WLC_N_BW_20ALL:
5499 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5500 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
5501 break;
5502 default:
5503 brcmf_err("invalid mimo_bw_cap value\n");
5504 }
5505}
d48200ba 5506
18d6c535
AS		 5507static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5508 u32 bw_cap[2], u32 nchain)
5509{
5510 band->ht_cap.ht_supported = true;
5511 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5512 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5513 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5514 }
5515 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5516 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5517 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5518 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5519 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5520 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5521}
5522
5523static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
5524{
5525 u16 mcs_map;
5526 int i;
5527
5528 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
5529 mcs_map = (mcs_map << 2) | supp;
5530
5531 return cpu_to_le16(mcs_map);
5532}
5533
5534static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
5535 u32 bw_cap[2], u32 nchain)
5536{
5537 __le16 mcs_map;
5538
5539 /* not allowed in 2.4G band */
5540 if (band->band == IEEE80211_BAND_2GHZ)
5541 return;
5542
5543 band->vht_cap.vht_supported = true;
5544 /* 80MHz is mandatory */
5545 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
5546 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
5547 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
5548 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
5549 }
5550 /* all support 256-QAM */
5551 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
5552 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
5553 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
5554}
5555
b48d8916 5556static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5b435de0 5557{
b48d8916 5558 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
ac24be6f 5559 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
18d6c535
AS		 5560 u32 nmode = 0;
5561 u32 vhtmode = 0;
b48d8916 5562 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
4aca7a18
DK		 5563 u32 rxchain;
5564 u32 nchain;
b48d8916 5565 int err;
d48200ba 5566 s32 i;
2375d970 5567 struct ieee80211_supported_band *band;
5b435de0 5568
18d6c535 5569 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
d48200ba
HM		 5570 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
5571 if (err) {
5572 brcmf_err("nmode error (%d)\n", err);
5573 } else {
2375d970 5574 brcmf_get_bwcap(ifp, bw_cap);
d48200ba 5575 }
18d6c535
AS		 5576 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
5577 nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
5578 bw_cap[IEEE80211_BAND_5GHZ]);
d48200ba 5579
4aca7a18
DK		 5580 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
5581 if (err) {
5582 brcmf_err("rxchain error (%d)\n", err);
5583 nchain = 1;
5584 } else {
5585 for (nchain = 0; rxchain; nchain++)
5586 rxchain = rxchain & (rxchain - 1);
5587 }
5588 brcmf_dbg(INFO, "nchain=%d\n", nchain);
5589
b48d8916 5590 err = brcmf_construct_chaninfo(cfg, bw_cap);
d48200ba 5591 if (err) {
b48d8916 5592 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
d48200ba
HM		 5593 return err;
5594 }
5595
b48d8916
AS		 5596 wiphy = cfg_to_wiphy(cfg);
5597 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
5598 band = wiphy->bands[i];
5599 if (band == NULL)
2375d970 5600 continue;
d48200ba 5601
18d6c535
AS		 5602 if (nmode)
5603 brcmf_update_ht_cap(band, bw_cap, nchain);
5604 if (vhtmode)
5605 brcmf_update_vht_cap(band, bw_cap, nchain);
d48200ba
HM		 5606 }
5607
b48d8916 5608 return 0;
5b435de0
AS		 5609}
5610
a44aa400
HM		 5611static const struct ieee80211_iface_limit brcmf_iface_limits_mbss[] = {
5612 {
5613 .max = 1,
5614 .types = BIT(NL80211_IFTYPE_STATION) |
5615 BIT(NL80211_IFTYPE_ADHOC)
5616 },
5617 {
5618 .max = 4,
5619 .types = BIT(NL80211_IFTYPE_AP)
5620 },
5621 {
5622 .max = 1,
5623 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5624 BIT(NL80211_IFTYPE_P2P_GO)
5625 },
5626 {
5627 .max = 1,
5628 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5629 }
5630};
5631
5632static const struct ieee80211_iface_limit brcmf_iface_limits_sbss[] = {
aa70b4fa
AS		 5633 {
5634 .max = 2,
5635 .types = BIT(NL80211_IFTYPE_STATION) |
5636 BIT(NL80211_IFTYPE_ADHOC) |
5637 BIT(NL80211_IFTYPE_AP)
5638 },
5639 {
5640 .max = 1,
5641 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5642 BIT(NL80211_IFTYPE_P2P_GO)
5643 },
5644 {
5645 .max = 1,
5646 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5647 }
5648};
5649static struct ieee80211_iface_combination brcmf_iface_combos[] = {
5650 {
5651 .max_interfaces = BRCMF_IFACE_MAX_CNT,
5652 .num_different_channels = 1,
a44aa400
HM		 5653 .n_limits = ARRAY_SIZE(brcmf_iface_limits_sbss),
5654 .limits = brcmf_iface_limits_sbss,
aa70b4fa
AS		 5655 }
5656};
5657
5658static const struct ieee80211_txrx_stypes
5659brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
5660 [NL80211_IFTYPE_STATION] = {
5661 .tx = 0xffff,
5662 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5663 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5664 },
5665 [NL80211_IFTYPE_P2P_CLIENT] = {
5666 .tx = 0xffff,
5667 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5668 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5669 },
5670 [NL80211_IFTYPE_P2P_GO] = {
5671 .tx = 0xffff,
5672 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
5673 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
5674 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
5675 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
5676 BIT(IEEE80211_STYPE_AUTH >> 4) |
5677 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
5678 BIT(IEEE80211_STYPE_ACTION >> 4)
5679 },
5680 [NL80211_IFTYPE_P2P_DEVICE] = {
5681 .tx = 0xffff,
5682 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5683 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5684 }
5685};
5686
5687static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
5688{
5689 /* scheduled scan settings */
5690 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
5691 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
5692 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5693 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
5694}
5695
4eb3af7c
HM		 5696#ifdef CONFIG_PM
5697static const struct wiphy_wowlan_support brcmf_wowlan_support = {
5698 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
b9a82f89
HM		 5699 .n_patterns = BRCMF_WOWL_MAXPATTERNS,
5700 .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
5701 .pattern_min_len = 1,
5702 .max_pkt_offset = 1500,
4eb3af7c
HM		 5703};
5704#endif
5705
5706static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
5707{
5708#ifdef CONFIG_PM
5709 /* wowl settings */
5710 wiphy->wowlan = &brcmf_wowlan_support;
5711#endif
5712}
5713
b48d8916 5714static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
aa70b4fa 5715{
b48d8916 5716 struct ieee80211_iface_combination ifc_combo;
aa70b4fa
AS		 5717 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
5718 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5719 wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
5720 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
5721 BIT(NL80211_IFTYPE_ADHOC) |
5722 BIT(NL80211_IFTYPE_AP) |
5723 BIT(NL80211_IFTYPE_P2P_CLIENT) |
5724 BIT(NL80211_IFTYPE_P2P_GO) |
5725 BIT(NL80211_IFTYPE_P2P_DEVICE);
5726 /* need VSDB firmware feature for concurrent channels */
b48d8916 5727 ifc_combo = brcmf_iface_combos[0];
aa70b4fa 5728 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
b48d8916 5729 ifc_combo.num_different_channels = 2;
a44aa400
HM		 5730 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) {
5731 ifc_combo.n_limits = ARRAY_SIZE(brcmf_iface_limits_mbss),
5732 ifc_combo.limits = brcmf_iface_limits_mbss;
5733 }
b48d8916
AS		 5734 wiphy->iface_combinations = kmemdup(&ifc_combo,
5735 sizeof(ifc_combo),
5736 GFP_KERNEL);
aa70b4fa 5737 wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
aa70b4fa
AS		 5738 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
5739 wiphy->cipher_suites = __wl_cipher_suites;
5740 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
5741 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
5742 WIPHY_FLAG_OFFCHAN_TX |
5743 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
5744 WIPHY_FLAG_SUPPORTS_TDLS;
5745 if (!brcmf_roamoff)
5746 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
5747 wiphy->mgmt_stypes = brcmf_txrx_stypes;
5748 wiphy->max_remain_on_channel_duration = 5000;
5749 brcmf_wiphy_pno_params(wiphy);
aa70b4fa
AS		 5750
5751 /* vendor commands/events support */
5752 wiphy->vendor_commands = brcmf_vendor_cmds;
5753 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
5754
4eb3af7c
HM		 5755 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
5756 brcmf_wiphy_wowl_params(wiphy);
5757
b48d8916 5758 return brcmf_setup_wiphybands(wiphy);
5b435de0
AS		 5759}
5760
27a68fe3 5761static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5762{
5763 struct net_device *ndev;
5764 struct wireless_dev *wdev;
40a23296 5765 struct brcmf_if *ifp;
5b435de0
AS		 5766 s32 power_mode;
5767 s32 err = 0;
5768
27a68fe3 5769 if (cfg->dongle_up)
5b435de0
AS		 5770 return err;
5771
27a68fe3 5772 ndev = cfg_to_ndev(cfg);
5b435de0 5773 wdev = ndev->ieee80211_ptr;
40a23296
HM		 5774 ifp = netdev_priv(ndev);
5775
5776 /* make sure RF is ready for work */
5777 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5b435de0 5778
40a23296
HM		 5779 brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
5780 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
5b435de0 5781
27a68fe3 5782 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
40a23296 5783 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5b435de0
AS		 5784 if (err)
5785 goto default_conf_out;
647c9ae0
AS		 5786 brcmf_dbg(INFO, "power save set to %s\n",
5787 (power_mode ? "enabled" : "disabled"));
5b435de0 5788
68ca395f 5789 err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
5b435de0
AS		 5790 if (err)
5791 goto default_conf_out;
5dd161ff
FL		 5792 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
5793 NULL, NULL);
40a23296 5794 if (err)
5b435de0 5795 goto default_conf_out;
5b435de0 5796
b3657453
HM		 5797 brcmf_configure_arp_offload(ifp, true);
5798
27a68fe3 5799 cfg->dongle_up = true;
40a23296 5800default_conf_out:
5b435de0
AS		 5801
5802 return err;
5803
5804}
5805
bdf5ff51 5806static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5b435de0 5807{
c1179033 5808 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5809
bdf5ff51 5810 return brcmf_config_dongle(ifp->drvr->config);
5b435de0
AS		 5811}
5812
bdf5ff51 5813static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5b435de0 5814{
bdf5ff51 5815 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
c1179033 5816
5b435de0
AS		 5817 /*
5818 * While going down, if associated with AP disassociate
5819 * from AP to save power
5820 */
903e0eee
AS		 5821 if (check_vif_up(ifp->vif)) {
5822 brcmf_link_down(ifp->vif);
5b435de0
AS		 5823
5824 /* Make sure WPA_Supplicant receives all the event
5825 generated due to DISASSOC call to the fw to keep
5826 the state fw and WPA_Supplicant state consistent
5827 */
5828 brcmf_delay(500);
5829 }
5830
27a68fe3 5831 brcmf_abort_scanning(cfg);
c1179033 5832 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5833
5b435de0
AS		 5834 return 0;
5835}
5836
bdf5ff51 5837s32 brcmf_cfg80211_up(struct net_device *ndev)
5b435de0 5838{
bdf5ff51
AS		 5839 struct brcmf_if *ifp = netdev_priv(ndev);
5840 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5841 s32 err = 0;
5842
27a68fe3 5843 mutex_lock(&cfg->usr_sync);
bdf5ff51 5844 err = __brcmf_cfg80211_up(ifp);
27a68fe3 5845 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5846
5847 return err;
5848}
5849
bdf5ff51 5850s32 brcmf_cfg80211_down(struct net_device *ndev)
5b435de0 5851{
bdf5ff51
AS		 5852 struct brcmf_if *ifp = netdev_priv(ndev);
5853 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5854 s32 err = 0;
5855
27a68fe3 5856 mutex_lock(&cfg->usr_sync);
bdf5ff51 5857 err = __brcmf_cfg80211_down(ifp);
27a68fe3 5858 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5859
5860 return err;
5861}
5862
a7965fbb
AS		 5863enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
5864{
5865 struct wireless_dev *wdev = &ifp->vif->wdev;
5866
5867 return wdev->iftype;
5868}
5869
bfe81975
HM		 5870bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
5871 unsigned long state)
9f440b7b
AS		 5872{
5873 struct brcmf_cfg80211_vif *vif;
9f440b7b
AS		 5874
5875 list_for_each_entry(vif, &cfg->vif_list, list) {
5876 if (test_bit(state, &vif->sme_state))
e843bb19 5877 return true;
9f440b7b 5878 }
e843bb19 5879 return false;
9f440b7b 5880}
d3c0b633
AS		 5881
5882static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
5883 u8 action)
5884{
5885 u8 evt_action;
5886
5887 mutex_lock(&event->vif_event_lock);
5888 evt_action = event->action;
5889 mutex_unlock(&event->vif_event_lock);
5890 return evt_action == action;
5891}
5892
5893void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
5894 struct brcmf_cfg80211_vif *vif)
5895{
5896 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5897
5898 mutex_lock(&event->vif_event_lock);
5899 event->vif = vif;
5900 event->action = 0;
5901 mutex_unlock(&event->vif_event_lock);
5902}
5903
5904bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
5905{
5906 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5907 bool armed;
5908
5909 mutex_lock(&event->vif_event_lock);
5910 armed = event->vif != NULL;
5911 mutex_unlock(&event->vif_event_lock);
5912
5913 return armed;
5914}
5915int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
5916 u8 action, ulong timeout)
5917{
5918 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5919
5920 return wait_event_timeout(event->vif_wq,
5921 vif_event_equals(event, action), timeout);
5922}
5923
b48d8916
AS		 5924static void brcmf_free_wiphy(struct wiphy *wiphy)
5925{
5926 kfree(wiphy->iface_combinations);
5927 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
5928 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5929 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5930 }
5931 if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
5932 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
5933 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
5934 }
5935 wiphy_free(wiphy);
5936}
5937
ccfd1e81
AS		 5938struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
5939 struct device *busdev)
5940{
5941 struct net_device *ndev = drvr->iflist[0]->ndev;
5942 struct brcmf_cfg80211_info *cfg;
5943 struct wiphy *wiphy;
5944 struct brcmf_cfg80211_vif *vif;
5945 struct brcmf_if *ifp;
5946 s32 err = 0;
5947 s32 io_type;
b48d8916 5948 u16 *cap = NULL;
ccfd1e81
AS		 5949
5950 if (!ndev) {
5951 brcmf_err("ndev is invalid\n");
5952 return NULL;
5953 }
5954
5955 ifp = netdev_priv(ndev);
b48d8916
AS		 5956 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
5957 if (!wiphy) {
5958 brcmf_err("Could not allocate wiphy device\n");
ccfd1e81 5959 return NULL;
b48d8916
AS		 5960 }
5961 set_wiphy_dev(wiphy, busdev);
ccfd1e81
AS		 5962
5963 cfg = wiphy_priv(wiphy);
5964 cfg->wiphy = wiphy;
5965 cfg->pub = drvr;
5966 init_vif_event(&cfg->vif_event);
5967 INIT_LIST_HEAD(&cfg->vif_list);
5968
5969 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
b48d8916
AS		 5970 if (IS_ERR(vif))
5971 goto wiphy_out;
ccfd1e81
AS		 5972
5973 vif->ifp = ifp;
5974 vif->wdev.netdev = ndev;
5975 ndev->ieee80211_ptr = &vif->wdev;
5976 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
5977
5978 err = wl_init_priv(cfg);
5979 if (err) {
5980 brcmf_err("Failed to init iwm_priv (%d)\n", err);
b48d8916
AS		 5981 brcmf_free_vif(vif);
5982 goto wiphy_out;
ccfd1e81
AS		 5983 }
5984 ifp->vif = vif;
5985
b48d8916
AS		 5986 /* determine d11 io type before wiphy setup */
5987 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
ccfd1e81 5988 if (err) {
b48d8916
AS		 5989 brcmf_err("Failed to get D11 version (%d)\n", err);
5990 goto priv_out;
ccfd1e81 5991 }
b48d8916
AS		 5992 cfg->d11inf.io_type = (u8)io_type;
5993 brcmu_d11_attach(&cfg->d11inf);
5994
5995 err = brcmf_setup_wiphy(wiphy, ifp);
5996 if (err < 0)
5997 goto priv_out;
5998
5999 brcmf_dbg(INFO, "Registering custom regulatory\n");
6000 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
6001 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
6002
6003 /* firmware defaults to 40MHz disabled in 2G band. We signal
6004 * cfg80211 here that we do and have it decide we can enable
6005 * it. But first check if device does support 2G operation.
6006 */
6007 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
6008 cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
6009 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6010 }
6011 err = wiphy_register(wiphy);
6012 if (err < 0) {
6013 brcmf_err("Could not register wiphy device (%d)\n", err);
6014 goto priv_out;
ccfd1e81
AS		 6015 }
6016
6017 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
6018 * setup 40MHz in 2GHz band and enable OBSS scanning.
6019 */
b48d8916
AS		 6020 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
6021 err = brcmf_enable_bw40_2g(cfg);
ccfd1e81
AS		 6022 if (!err)
6023 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
6024 BRCMF_OBSS_COEX_AUTO);
b48d8916
AS		 6025 else
6026 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ccfd1e81 6027 }
ccfd1e81 6028
b48d8916 6029 err = brcmf_p2p_attach(cfg);
ccfd1e81 6030 if (err) {
b48d8916
AS		 6031 brcmf_err("P2P initilisation failed (%d)\n", err);
6032 goto wiphy_unreg_out;
6033 }
6034 err = brcmf_btcoex_attach(cfg);
6035 if (err) {
6036 brcmf_err("BT-coex initialisation failed (%d)\n", err);
6037 brcmf_p2p_detach(&cfg->p2p);
6038 goto wiphy_unreg_out;
ccfd1e81
AS		 6039 }
6040
b48d8916 6041 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
ccfd1e81 6042 if (err) {
b48d8916
AS		 6043 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
6044 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
70b7d94b
HM		 6045 } else {
6046 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
6047 brcmf_notify_tdls_peer_event);
ccfd1e81 6048 }
ccfd1e81
AS		 6049
6050 return cfg;
6051
b48d8916
AS		 6052wiphy_unreg_out:
6053 wiphy_unregister(cfg->wiphy);
6054priv_out:
ccfd1e81 6055 wl_deinit_priv(cfg);
ccfd1e81 6056 brcmf_free_vif(vif);
b48d8916
AS		 6057wiphy_out:
6058 brcmf_free_wiphy(wiphy);
ccfd1e81
AS		 6059 return NULL;
6060}
6061
6062void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
6063{
6064 if (!cfg)
6065 return;
6066
6067 WARN_ON(!list_empty(&cfg->vif_list));
6068 wiphy_unregister(cfg->wiphy);
6069 brcmf_btcoex_detach(cfg);
c3da74bb 6070 brcmf_p2p_detach(&cfg->p2p);
ccfd1e81 6071 wl_deinit_priv(cfg);
b48d8916 6072 brcmf_free_wiphy(cfg->wiphy);
ccfd1e81 6073}
Linux kernel - Deliverables
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