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brcmfmac: Dont sleep when ctrl frames to transmit.
[deliverable/linux.git] / drivers / net / wireless / brcm80211 / brcmfmac / cfg80211.c
CommitLineData
5b435de0
AS		 1/*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17/* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */
18
19#include <linux/kernel.h>
5b435de0 20#include <linux/etherdevice.h>
68ca395f 21#include <linux/module.h>
1bacb048 22#include <linux/vmalloc.h>
5b435de0 23#include <net/cfg80211.h>
cbaa177d 24#include <net/netlink.h>
5b435de0
AS		 25
26#include <brcmu_utils.h>
27#include <defs.h>
28#include <brcmu_wifi.h>
122d3d04 29#include "core.h"
a8e8ed34 30#include "debug.h"
40c1c249 31#include "tracepoint.h"
7a5c1f64 32#include "fwil_types.h"
9f440b7b 33#include "p2p.h"
61730d4d 34#include "btcoex.h"
bfe81975 35#include "cfg80211.h"
c08437b4 36#include "feature.h"
81f5dcb8 37#include "fwil.h"
8851cce0 38#include "proto.h"
1bacb048 39#include "vendor.h"
d14f78b9 40#include "bus.h"
6b89dcb3 41#include "common.h"
5b435de0 42
e5806072
AS		 43#define BRCMF_SCAN_IE_LEN_MAX 2048
44#define BRCMF_PNO_VERSION 2
45#define BRCMF_PNO_TIME 30
46#define BRCMF_PNO_REPEAT 4
47#define BRCMF_PNO_FREQ_EXPO_MAX 3
48#define BRCMF_PNO_MAX_PFN_COUNT 16
49#define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
50#define BRCMF_PNO_HIDDEN_BIT 2
51#define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
52#define BRCMF_PNO_SCAN_COMPLETE 1
53#define BRCMF_PNO_SCAN_INCOMPLETE 0
54
9f440b7b 55#define BRCMF_IFACE_MAX_CNT 3
3eacf866 56
1a873342
HM		 57#define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
58#define WPA_OUI_TYPE 1
59#define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
60#define WME_OUI_TYPE 2
89286dc9 61#define WPS_OUI_TYPE 4
1a873342
HM		 62
63#define VS_IE_FIXED_HDR_LEN 6
64#define WPA_IE_VERSION_LEN 2
65#define WPA_IE_MIN_OUI_LEN 4
66#define WPA_IE_SUITE_COUNT_LEN 2
67
68#define WPA_CIPHER_NONE 0 /* None */
69#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
70#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
71#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
72#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
73
74#define RSN_AKM_NONE 0 /* None (IBSS) */
75#define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
76#define RSN_AKM_PSK 2 /* Pre-shared Key */
77#define RSN_CAP_LEN 2 /* Length of RSN capabilities */
78#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
79
80#define VNDR_IE_CMD_LEN 4 /* length of the set command
81 * string :"add", "del" (+ NUL)
82 */
83#define VNDR_IE_COUNT_OFFSET 4
84#define VNDR_IE_PKTFLAG_OFFSET 8
85#define VNDR_IE_VSIE_OFFSET 12
86#define VNDR_IE_HDR_SIZE 12
9f440b7b 87#define VNDR_IE_PARSE_LIMIT 5
1a873342
HM		 88
89#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
90#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
04012895 91
89286dc9
HM		 92#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
93#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
94#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
95
5b435de0
AS		 96#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
97 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
98
ce81e317 99static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
5b435de0 100{
c1179033 101 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
647c9ae0
AS		 102 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
103 vif->sme_state);
5b435de0
AS		 104 return false;
105 }
106 return true;
107}
108
5b435de0
AS		 109#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
110#define RATETAB_ENT(_rateid, _flags) \
111 { \
112 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
113 .hw_value = (_rateid), \
114 .flags = (_flags), \
115 }
116
117static struct ieee80211_rate __wl_rates[] = {
118 RATETAB_ENT(BRCM_RATE_1M, 0),
119 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
120 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
121 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
122 RATETAB_ENT(BRCM_RATE_6M, 0),
123 RATETAB_ENT(BRCM_RATE_9M, 0),
124 RATETAB_ENT(BRCM_RATE_12M, 0),
125 RATETAB_ENT(BRCM_RATE_18M, 0),
126 RATETAB_ENT(BRCM_RATE_24M, 0),
127 RATETAB_ENT(BRCM_RATE_36M, 0),
128 RATETAB_ENT(BRCM_RATE_48M, 0),
129 RATETAB_ENT(BRCM_RATE_54M, 0),
130};
131
132#define wl_a_rates (__wl_rates + 4)
133#define wl_a_rates_size 8
134#define wl_g_rates (__wl_rates + 0)
135#define wl_g_rates_size 12
136
b48d8916
AS		 137/* Band templates duplicated per wiphy. The channel info
138 * is filled in after querying the device.
139 */
140static const struct ieee80211_supported_band __wl_band_2ghz = {
5b435de0 141 .band = IEEE80211_BAND_2GHZ,
5b435de0
AS		 142 .bitrates = wl_g_rates,
143 .n_bitrates = wl_g_rates_size,
144};
145
b48d8916 146static const struct ieee80211_supported_band __wl_band_5ghz_a = {
5b435de0 147 .band = IEEE80211_BAND_5GHZ,
5b435de0
AS		 148 .bitrates = wl_a_rates,
149 .n_bitrates = wl_a_rates_size,
150};
151
d48200ba
HM		 152/* This is to override regulatory domains defined in cfg80211 module (reg.c)
153 * By default world regulatory domain defined in reg.c puts the flags
8fe02e16
LR		 154 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
155 * With respect to these flags, wpa_supplicant doesn't * start p2p
156 * operations on 5GHz channels. All the changes in world regulatory
d48200ba
HM		 157 * domain are to be done here.
158 */
159static const struct ieee80211_regdomain brcmf_regdom = {
160 .n_reg_rules = 4,
161 .alpha2 = "99",
162 .reg_rules = {
163 /* IEEE 802.11b/g, channels 1..11 */
164 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
165 /* If any */
166 /* IEEE 802.11 channel 14 - Only JP enables
167 * this and for 802.11b only
168 */
169 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
170 /* IEEE 802.11a, channel 36..64 */
c555ecde 171 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
d48200ba 172 /* IEEE 802.11a, channel 100..165 */
c555ecde 173 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
5b435de0
AS		 174};
175
176static const u32 __wl_cipher_suites[] = {
177 WLAN_CIPHER_SUITE_WEP40,
178 WLAN_CIPHER_SUITE_WEP104,
179 WLAN_CIPHER_SUITE_TKIP,
180 WLAN_CIPHER_SUITE_CCMP,
181 WLAN_CIPHER_SUITE_AES_CMAC,
182};
183
1a873342
HM		 184/* Vendor specific ie. id = 221, oui and type defines exact ie */
185struct brcmf_vs_tlv {
186 u8 id;
187 u8 len;
188 u8 oui[3];
189 u8 oui_type;
190};
191
192struct parsed_vndr_ie_info {
193 u8 *ie_ptr;
194 u32 ie_len; /* total length including id & length field */
195 struct brcmf_vs_tlv vndrie;
196};
197
198struct parsed_vndr_ies {
199 u32 count;
9f440b7b 200 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
1a873342
HM		 201};
202
68ca395f
HM		 203static int brcmf_roamoff;
204module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
205MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
206
ef6ac17a
AB		 207/* Quarter dBm units to mW
208 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
209 * Table is offset so the last entry is largest mW value that fits in
210 * a u16.
211 */
212
213#define QDBM_OFFSET 153 /* Offset for first entry */
214#define QDBM_TABLE_LEN 40 /* Table size */
215
216/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
217 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
218 */
219#define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
220
221/* Largest mW value that will round down to the last table entry,
222 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
223 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
224 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
225 */
226#define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
227
228static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
229/* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
230/* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
231/* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
232/* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
233/* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
234/* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
235};
236
237static u16 brcmf_qdbm_to_mw(u8 qdbm)
238{
239 uint factor = 1;
240 int idx = qdbm - QDBM_OFFSET;
241
242 if (idx >= QDBM_TABLE_LEN)
243 /* clamp to max u16 mW value */
244 return 0xFFFF;
245
246 /* scale the qdBm index up to the range of the table 0-40
247 * where an offset of 40 qdBm equals a factor of 10 mW.
248 */
249 while (idx < 0) {
250 idx += 40;
251 factor *= 10;
252 }
253
254 /* return the mW value scaled down to the correct factor of 10,
255 * adding in factor/2 to get proper rounding.
256 */
257 return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
258}
259
260static u8 brcmf_mw_to_qdbm(u16 mw)
261{
262 u8 qdbm;
263 int offset;
264 uint mw_uint = mw;
265 uint boundary;
266
267 /* handle boundary case */
268 if (mw_uint <= 1)
269 return 0;
270
271 offset = QDBM_OFFSET;
272
273 /* move mw into the range of the table */
274 while (mw_uint < QDBM_TABLE_LOW_BOUND) {
275 mw_uint *= 10;
276 offset -= 40;
277 }
278
279 for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
280 boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
281 nqdBm_to_mW_map[qdbm]) / 2;
282 if (mw_uint < boundary)
283 break;
284 }
285
286 qdbm += (u8) offset;
287
288 return qdbm;
289}
290
5a394eba
AS		 291static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
292 struct cfg80211_chan_def *ch)
600a897d
AS		 293{
294 struct brcmu_chan ch_inf;
295 s32 primary_offset;
296
297 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
298 ch->chan->center_freq, ch->center_freq1, ch->width);
299 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
300 primary_offset = ch->center_freq1 - ch->chan->center_freq;
301 switch (ch->width) {
302 case NL80211_CHAN_WIDTH_20:
0cd75b19 303 case NL80211_CHAN_WIDTH_20_NOHT:
600a897d
AS		 304 ch_inf.bw = BRCMU_CHAN_BW_20;
305 WARN_ON(primary_offset != 0);
306 break;
307 case NL80211_CHAN_WIDTH_40:
308 ch_inf.bw = BRCMU_CHAN_BW_40;
309 if (primary_offset < 0)
310 ch_inf.sb = BRCMU_CHAN_SB_U;
311 else
312 ch_inf.sb = BRCMU_CHAN_SB_L;
313 break;
314 case NL80211_CHAN_WIDTH_80:
315 ch_inf.bw = BRCMU_CHAN_BW_80;
316 if (primary_offset < 0) {
317 if (primary_offset < -CH_10MHZ_APART)
318 ch_inf.sb = BRCMU_CHAN_SB_UU;
319 else
320 ch_inf.sb = BRCMU_CHAN_SB_UL;
321 } else {
322 if (primary_offset > CH_10MHZ_APART)
323 ch_inf.sb = BRCMU_CHAN_SB_LL;
324 else
325 ch_inf.sb = BRCMU_CHAN_SB_LU;
326 }
327 break;
0cd75b19
AS		 328 case NL80211_CHAN_WIDTH_80P80:
329 case NL80211_CHAN_WIDTH_160:
330 case NL80211_CHAN_WIDTH_5:
331 case NL80211_CHAN_WIDTH_10:
600a897d
AS		 332 default:
333 WARN_ON_ONCE(1);
334 }
335 switch (ch->chan->band) {
336 case IEEE80211_BAND_2GHZ:
337 ch_inf.band = BRCMU_CHAN_BAND_2G;
338 break;
339 case IEEE80211_BAND_5GHZ:
340 ch_inf.band = BRCMU_CHAN_BAND_5G;
341 break;
0cd75b19 342 case IEEE80211_BAND_60GHZ:
600a897d
AS		 343 default:
344 WARN_ON_ONCE(1);
345 }
346 d11inf->encchspec(&ch_inf);
347
348 return ch_inf.chspec;
349}
350
83cf17aa
FL		 351u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
352 struct ieee80211_channel *ch)
6e186166 353{
83cf17aa 354 struct brcmu_chan ch_inf;
6e186166 355
83cf17aa
FL		 356 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
357 ch_inf.bw = BRCMU_CHAN_BW_20;
358 d11inf->encchspec(&ch_inf);
6e186166 359
83cf17aa 360 return ch_inf.chspec;
6e186166
AS		 361}
362
89286dc9
HM		 363/* Traverse a string of 1-byte tag/1-byte length/variable-length value
364 * triples, returning a pointer to the substring whose first element
365 * matches tag
366 */
4b5800fe
JB		 367const struct brcmf_tlv *
368brcmf_parse_tlvs(const void *buf, int buflen, uint key)
89286dc9 369{
4b5800fe
JB		 370 const struct brcmf_tlv *elt = buf;
371 int totlen = buflen;
89286dc9
HM		 372
373 /* find tagged parameter */
374 while (totlen >= TLV_HDR_LEN) {
375 int len = elt->len;
376
377 /* validate remaining totlen */
378 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
379 return elt;
380
381 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
382 totlen -= (len + TLV_HDR_LEN);
383 }
384
385 return NULL;
386}
387
388/* Is any of the tlvs the expected entry? If
389 * not update the tlvs buffer pointer/length.
390 */
391static bool
4b5800fe
JB		 392brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
393 const u8 *oui, u32 oui_len, u8 type)
89286dc9
HM		 394{
395 /* If the contents match the OUI and the type */
396 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
397 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
398 type == ie[TLV_BODY_OFF + oui_len]) {
399 return true;
400 }
401
402 if (tlvs == NULL)
403 return false;
404 /* point to the next ie */
405 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
406 /* calculate the length of the rest of the buffer */
407 *tlvs_len -= (int)(ie - *tlvs);
408 /* update the pointer to the start of the buffer */
409 *tlvs = ie;
410
411 return false;
412}
413
414static struct brcmf_vs_tlv *
4b5800fe 415brcmf_find_wpaie(const u8 *parse, u32 len)
89286dc9 416{
4b5800fe 417 const struct brcmf_tlv *ie;
89286dc9
HM		 418
419 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
4b5800fe 420 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
89286dc9
HM		 421 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
422 return (struct brcmf_vs_tlv *)ie;
423 }
424 return NULL;
425}
426
427static struct brcmf_vs_tlv *
4b5800fe 428brcmf_find_wpsie(const u8 *parse, u32 len)
89286dc9 429{
4b5800fe 430 const struct brcmf_tlv *ie;
89286dc9
HM		 431
432 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
433 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
434 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
435 return (struct brcmf_vs_tlv *)ie;
436 }
437 return NULL;
438}
439
440
5b435de0
AS		 441static void convert_key_from_CPU(struct brcmf_wsec_key *key,
442 struct brcmf_wsec_key_le *key_le)
443{
444 key_le->index = cpu_to_le32(key->index);
445 key_le->len = cpu_to_le32(key->len);
446 key_le->algo = cpu_to_le32(key->algo);
447 key_le->flags = cpu_to_le32(key->flags);
448 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
449 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
450 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
451 memcpy(key_le->data, key->data, sizeof(key->data));
452 memcpy(key_le->ea, key->ea, sizeof(key->ea));
453}
454
f09d0c02 455static int
118eb304 456send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key)
5b435de0
AS		 457{
458 int err;
459 struct brcmf_wsec_key_le key_le;
460
461 convert_key_from_CPU(key, &key_le);
f09d0c02 462
118eb304 463 brcmf_netdev_wait_pend8021x(ifp);
81f5dcb8 464
118eb304 465 err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le,
81f5dcb8 466 sizeof(key_le));
f09d0c02 467
5b435de0 468 if (err)
57d6e91a 469 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 470 return err;
471}
472
b3657453
HM		 473static s32
474brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
475{
476 s32 err;
477 u32 mode;
478
479 if (enable)
480 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
481 else
482 mode = 0;
483
484 /* Try to set and enable ARP offload feature, this may fail, then it */
485 /* is simply not supported and err 0 will be returned */
486 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
487 if (err) {
488 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
489 mode, err);
490 err = 0;
491 } else {
492 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
493 if (err) {
494 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
495 enable, err);
496 err = 0;
497 } else
498 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
499 enable, mode);
500 }
501
502 return err;
503}
504
8851cce0
HM		 505static void
506brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
507{
8f2b4597
AS		 508 struct brcmf_cfg80211_vif *vif;
509 struct brcmf_if *ifp;
510
511 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
512 ifp = vif->ifp;
8851cce0
HM		 513
514 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
515 (wdev->iftype == NL80211_IFTYPE_AP) ||
516 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
517 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
518 ADDR_DIRECT);
519 else
520 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
521 ADDR_INDIRECT);
522}
523
a44aa400
HM		 524static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp)
525{
526 struct brcmf_mbss_ssid_le mbss_ssid_le;
527 int bsscfgidx;
528 int err;
529
530 memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le));
531 bsscfgidx = brcmf_get_next_free_bsscfgidx(ifp->drvr);
532 if (bsscfgidx < 0)
533 return bsscfgidx;
534
535 mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx);
536 mbss_ssid_le.SSID_len = cpu_to_le32(5);
537 sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx);
538
539 err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le,
540 sizeof(mbss_ssid_le));
541 if (err < 0)
542 brcmf_err("setting ssid failed %d\n", err);
543
544 return err;
545}
546
547/**
548 * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS
549 *
550 * @wiphy: wiphy device of new interface.
551 * @name: name of the new interface.
552 * @flags: not used.
553 * @params: contains mac address for AP device.
554 */
555static
556struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name,
557 u32 *flags, struct vif_params *params)
558{
559 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
560 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
561 struct brcmf_cfg80211_vif *vif;
562 int err;
563
564 if (brcmf_cfg80211_vif_event_armed(cfg))
565 return ERR_PTR(-EBUSY);
566
567 brcmf_dbg(INFO, "Adding vif \"%s\"\n", name);
568
569 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false);
570 if (IS_ERR(vif))
571 return (struct wireless_dev *)vif;
572
573 brcmf_cfg80211_arm_vif_event(cfg, vif);
574
575 err = brcmf_cfg80211_request_ap_if(ifp);
576 if (err) {
577 brcmf_cfg80211_arm_vif_event(cfg, NULL);
578 goto fail;
579 }
580
581 /* wait for firmware event */
582 err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD,
583 msecs_to_jiffies(1500));
584 brcmf_cfg80211_arm_vif_event(cfg, NULL);
585 if (!err) {
586 brcmf_err("timeout occurred\n");
587 err = -EIO;
588 goto fail;
589 }
590
591 /* interface created in firmware */
592 ifp = vif->ifp;
593 if (!ifp) {
594 brcmf_err("no if pointer provided\n");
595 err = -ENOENT;
596 goto fail;
597 }
598
599 strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
600 err = brcmf_net_attach(ifp, true);
601 if (err) {
602 brcmf_err("Registering netdevice failed\n");
603 goto fail;
604 }
605
606 return &ifp->vif->wdev;
607
608fail:
609 brcmf_free_vif(vif);
610 return ERR_PTR(err);
611}
612
967fe2c8
AS		 613static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
614{
615 enum nl80211_iftype iftype;
616
617 iftype = vif->wdev.iftype;
618 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
619}
620
621static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
622{
623 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
624}
625
9f440b7b
AS		 626static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
627 const char *name,
628 enum nl80211_iftype type,
629 u32 *flags,
630 struct vif_params *params)
631{
8851cce0
HM		 632 struct wireless_dev *wdev;
633
9f440b7b
AS		 634 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
635 switch (type) {
636 case NL80211_IFTYPE_ADHOC:
637 case NL80211_IFTYPE_STATION:
9f440b7b
AS		 638 case NL80211_IFTYPE_AP_VLAN:
639 case NL80211_IFTYPE_WDS:
640 case NL80211_IFTYPE_MONITOR:
641 case NL80211_IFTYPE_MESH_POINT:
642 return ERR_PTR(-EOPNOTSUPP);
a44aa400
HM		 643 case NL80211_IFTYPE_AP:
644 wdev = brcmf_ap_add_vif(wiphy, name, flags, params);
645 if (!IS_ERR(wdev))
646 brcmf_cfg80211_update_proto_addr_mode(wdev);
647 return wdev;
9f440b7b
AS		 648 case NL80211_IFTYPE_P2P_CLIENT:
649 case NL80211_IFTYPE_P2P_GO:
27f10e38 650 case NL80211_IFTYPE_P2P_DEVICE:
8851cce0
HM		 651 wdev = brcmf_p2p_add_vif(wiphy, name, type, flags, params);
652 if (!IS_ERR(wdev))
653 brcmf_cfg80211_update_proto_addr_mode(wdev);
654 return wdev;
9f440b7b 655 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 656 default:
657 return ERR_PTR(-EINVAL);
658 }
659}
660
5e787f75
DK		 661static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
662{
c08437b4 663 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
5e787f75
DK		 664 brcmf_set_mpc(ifp, mpc);
665}
666
f96aa07e 667void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
5f4f9f11 668{
5f4f9f11
AS		 669 s32 err = 0;
670
671 if (check_vif_up(ifp->vif)) {
672 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
673 if (err) {
674 brcmf_err("fail to set mpc\n");
675 return;
676 }
677 brcmf_dbg(INFO, "MPC : %d\n", mpc);
678 }
679}
680
a0f472ac
AS		 681s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
682 struct brcmf_if *ifp, bool aborted,
683 bool fw_abort)
5f4f9f11
AS		 684{
685 struct brcmf_scan_params_le params_le;
686 struct cfg80211_scan_request *scan_request;
687 s32 err = 0;
688
689 brcmf_dbg(SCAN, "Enter\n");
690
691 /* clear scan request, because the FW abort can cause a second call */
692 /* to this functon and might cause a double cfg80211_scan_done */
693 scan_request = cfg->scan_request;
694 cfg->scan_request = NULL;
695
696 if (timer_pending(&cfg->escan_timeout))
697 del_timer_sync(&cfg->escan_timeout);
698
699 if (fw_abort) {
700 /* Do a scan abort to stop the driver's scan engine */
701 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
702 memset(&params_le, 0, sizeof(params_le));
703 memset(params_le.bssid, 0xFF, ETH_ALEN);
704 params_le.bss_type = DOT11_BSSTYPE_ANY;
705 params_le.scan_type = 0;
706 params_le.channel_num = cpu_to_le32(1);
707 params_le.nprobes = cpu_to_le32(1);
708 params_le.active_time = cpu_to_le32(-1);
709 params_le.passive_time = cpu_to_le32(-1);
710 params_le.home_time = cpu_to_le32(-1);
711 /* Scan is aborted by setting channel_list[0] to -1 */
712 params_le.channel_list[0] = cpu_to_le16(-1);
713 /* E-Scan (or anyother type) can be aborted by SCAN */
f96aa07e 714 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
5f4f9f11
AS		 715 &params_le, sizeof(params_le));
716 if (err)
717 brcmf_err("Scan abort failed\n");
718 }
0f0fe990 719
5e787f75 720 brcmf_scan_config_mpc(ifp, 1);
0f0fe990 721
5f4f9f11
AS		 722 /*
723 * e-scan can be initiated by scheduled scan
724 * which takes precedence.
725 */
726 if (cfg->sched_escan) {
727 brcmf_dbg(SCAN, "scheduled scan completed\n");
728 cfg->sched_escan = false;
729 if (!aborted)
730 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
5f4f9f11
AS		 731 } else if (scan_request) {
732 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
733 aborted ? "Aborted" : "Done");
734 cfg80211_scan_done(scan_request, aborted);
5f4f9f11 735 }
6eda4e2c
HM		 736 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
737 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
5f4f9f11
AS		 738
739 return err;
740}
741
9f440b7b
AS		 742static
743int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
744{
5f4f9f11
AS		 745 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
746 struct net_device *ndev = wdev->netdev;
747
748 /* vif event pending in firmware */
749 if (brcmf_cfg80211_vif_event_armed(cfg))
750 return -EBUSY;
751
752 if (ndev) {
753 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
a0f472ac
AS		 754 cfg->escan_info.ifp == netdev_priv(ndev))
755 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
756 true, true);
5f4f9f11
AS		 757
758 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
759 }
760
9f440b7b
AS		 761 switch (wdev->iftype) {
762 case NL80211_IFTYPE_ADHOC:
763 case NL80211_IFTYPE_STATION:
764 case NL80211_IFTYPE_AP:
765 case NL80211_IFTYPE_AP_VLAN:
766 case NL80211_IFTYPE_WDS:
767 case NL80211_IFTYPE_MONITOR:
768 case NL80211_IFTYPE_MESH_POINT:
769 return -EOPNOTSUPP;
770 case NL80211_IFTYPE_P2P_CLIENT:
771 case NL80211_IFTYPE_P2P_GO:
27f10e38 772 case NL80211_IFTYPE_P2P_DEVICE:
9f440b7b
AS		 773 return brcmf_p2p_del_vif(wiphy, wdev);
774 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 775 default:
776 return -EINVAL;
777 }
778 return -EOPNOTSUPP;
779}
780
5b435de0
AS		 781static s32
782brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
783 enum nl80211_iftype type, u32 *flags,
784 struct vif_params *params)
785{
7a5c1f64 786 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
c1179033 787 struct brcmf_if *ifp = netdev_priv(ndev);
128ce3b6 788 struct brcmf_cfg80211_vif *vif = ifp->vif;
5b435de0 789 s32 infra = 0;
1a873342 790 s32 ap = 0;
5b435de0
AS		 791 s32 err = 0;
792
d96b801f 793 brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
5b435de0
AS		 794
795 switch (type) {
796 case NL80211_IFTYPE_MONITOR:
797 case NL80211_IFTYPE_WDS:
57d6e91a
AS		 798 brcmf_err("type (%d) : currently we do not support this type\n",
799 type);
5b435de0
AS		 800 return -EOPNOTSUPP;
801 case NL80211_IFTYPE_ADHOC:
5b435de0
AS		 802 infra = 0;
803 break;
804 case NL80211_IFTYPE_STATION:
1bc7c654
HM		 805 /* Ignore change for p2p IF. Unclear why supplicant does this */
806 if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
807 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
808 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
809 /* WAR: It is unexpected to get a change of VIF for P2P
810 * IF, but it happens. The request can not be handled
811 * but returning EPERM causes a crash. Returning 0
812 * without setting ieee80211_ptr->iftype causes trace
813 * (WARN_ON) but it works with wpa_supplicant
814 */
815 return 0;
816 }
5b435de0
AS		 817 infra = 1;
818 break;
1a873342 819 case NL80211_IFTYPE_AP:
7a5c1f64 820 case NL80211_IFTYPE_P2P_GO:
1a873342
HM		 821 ap = 1;
822 break;
5b435de0
AS		 823 default:
824 err = -EINVAL;
825 goto done;
826 }
827
1a873342 828 if (ap) {
7a5c1f64
HM		 829 if (type == NL80211_IFTYPE_P2P_GO) {
830 brcmf_dbg(INFO, "IF Type = P2P GO\n");
831 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
832 }
833 if (!err) {
834 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
835 brcmf_dbg(INFO, "IF Type = AP\n");
836 }
5b435de0 837 } else {
128ce3b6 838 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
1a873342 839 if (err) {
57d6e91a 840 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
1a873342
HM		 841 err = -EAGAIN;
842 goto done;
843 }
967fe2c8 844 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
647c9ae0 845 "Adhoc" : "Infra");
5b435de0 846 }
1a873342 847 ndev->ieee80211_ptr->iftype = type;
5b435de0 848
8851cce0
HM		 849 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
850
5b435de0 851done:
d96b801f 852 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 853
854 return err;
855}
856
83cf17aa
FL		 857static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
858 struct brcmf_scan_params_le *params_le,
e756af5b
HM		 859 struct cfg80211_scan_request *request)
860{
861 u32 n_ssids;
862 u32 n_channels;
863 s32 i;
864 s32 offset;
029591f3 865 u16 chanspec;
e756af5b 866 char *ptr;
029591f3 867 struct brcmf_ssid_le ssid_le;
e756af5b 868
ba40d166 869 memset(params_le->bssid, 0xFF, ETH_ALEN);
e756af5b
HM		 870 params_le->bss_type = DOT11_BSSTYPE_ANY;
871 params_le->scan_type = 0;
872 params_le->channel_num = 0;
873 params_le->nprobes = cpu_to_le32(-1);
874 params_le->active_time = cpu_to_le32(-1);
875 params_le->passive_time = cpu_to_le32(-1);
876 params_le->home_time = cpu_to_le32(-1);
877 memset(&params_le->ssid_le, 0, sizeof(params_le->ssid_le));
878
879 /* if request is null exit so it will be all channel broadcast scan */
880 if (!request)
881 return;
882
883 n_ssids = request->n_ssids;
884 n_channels = request->n_channels;
885 /* Copy channel array if applicable */
4e8a008e
AS		 886 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
887 n_channels);
e756af5b
HM		 888 if (n_channels > 0) {
889 for (i = 0; i < n_channels; i++) {
83cf17aa
FL		 890 chanspec = channel_to_chanspec(&cfg->d11inf,
891 request->channels[i]);
4e8a008e
AS		 892 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
893 request->channels[i]->hw_value, chanspec);
029591f3 894 params_le->channel_list[i] = cpu_to_le16(chanspec);
e756af5b
HM		 895 }
896 } else {
4e8a008e 897 brcmf_dbg(SCAN, "Scanning all channels\n");
e756af5b
HM		 898 }
899 /* Copy ssid array if applicable */
4e8a008e 900 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
e756af5b
HM		 901 if (n_ssids > 0) {
902 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
903 n_channels * sizeof(u16);
904 offset = roundup(offset, sizeof(u32));
905 ptr = (char *)params_le + offset;
906 for (i = 0; i < n_ssids; i++) {
029591f3
AS		 907 memset(&ssid_le, 0, sizeof(ssid_le));
908 ssid_le.SSID_len =
909 cpu_to_le32(request->ssids[i].ssid_len);
910 memcpy(ssid_le.SSID, request->ssids[i].ssid,
911 request->ssids[i].ssid_len);
912 if (!ssid_le.SSID_len)
4e8a008e 913 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
e756af5b 914 else
4e8a008e
AS		 915 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
916 i, ssid_le.SSID, ssid_le.SSID_len);
029591f3
AS		 917 memcpy(ptr, &ssid_le, sizeof(ssid_le));
918 ptr += sizeof(ssid_le);
e756af5b
HM		 919 }
920 } else {
4e8a008e 921 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
e756af5b 922 if ((request->ssids) && request->ssids->ssid_len) {
4e8a008e
AS		 923 brcmf_dbg(SCAN, "SSID %s len=%d\n",
924 params_le->ssid_le.SSID,
925 request->ssids->ssid_len);
e756af5b
HM		 926 params_le->ssid_le.SSID_len =
927 cpu_to_le32(request->ssids->ssid_len);
928 memcpy(&params_le->ssid_le.SSID, request->ssids->ssid,
929 request->ssids->ssid_len);
930 }
931 }
932 /* Adding mask to channel numbers */
933 params_le->channel_num =
934 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
935 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
936}
937
e756af5b 938static s32
a0f472ac 939brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
e756af5b
HM		 940 struct cfg80211_scan_request *request, u16 action)
941{
942 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
943 offsetof(struct brcmf_escan_params_le, params_le);
944 struct brcmf_escan_params_le *params;
945 s32 err = 0;
946
4e8a008e 947 brcmf_dbg(SCAN, "E-SCAN START\n");
e756af5b
HM		 948
949 if (request != NULL) {
950 /* Allocate space for populating ssids in struct */
951 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
952
953 /* Allocate space for populating ssids in struct */
954 params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
955 }
956
957 params = kzalloc(params_size, GFP_KERNEL);
958 if (!params) {
959 err = -ENOMEM;
960 goto exit;
961 }
962 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
83cf17aa 963 brcmf_escan_prep(cfg, &params->params_le, request);
e756af5b
HM		 964 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
965 params->action = cpu_to_le16(action);
966 params->sync_id = cpu_to_le16(0x1234);
967
a0f472ac 968 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
e756af5b
HM		 969 if (err) {
970 if (err == -EBUSY)
647c9ae0 971 brcmf_dbg(INFO, "system busy : escan canceled\n");
e756af5b 972 else
57d6e91a 973 brcmf_err("error (%d)\n", err);
e756af5b
HM		 974 }
975
976 kfree(params);
977exit:
978 return err;
979}
980
981static s32
27a68fe3 982brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
a0f472ac 983 struct brcmf_if *ifp, struct cfg80211_scan_request *request)
e756af5b
HM		 984{
985 s32 err;
81f5dcb8 986 u32 passive_scan;
e756af5b 987 struct brcmf_scan_results *results;
9f440b7b 988 struct escan_info *escan = &cfg->escan_info;
e756af5b 989
4e8a008e 990 brcmf_dbg(SCAN, "Enter\n");
a0f472ac 991 escan->ifp = ifp;
9f440b7b
AS		 992 escan->wiphy = wiphy;
993 escan->escan_state = WL_ESCAN_STATE_SCANNING;
81f5dcb8 994 passive_scan = cfg->active_scan ? 0 : 1;
f96aa07e 995 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 996 passive_scan);
e756af5b 997 if (err) {
57d6e91a 998 brcmf_err("error (%d)\n", err);
e756af5b
HM		 999 return err;
1000 }
5e787f75 1001 brcmf_scan_config_mpc(ifp, 0);
27a68fe3 1002 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
e756af5b
HM		 1003 results->version = 0;
1004 results->count = 0;
1005 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
1006
a0f472ac 1007 err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
e756af5b 1008 if (err)
5e787f75 1009 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1010 return err;
1011}
1012
1013static s32
a0f472ac 1014brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
e756af5b
HM		 1015 struct cfg80211_scan_request *request,
1016 struct cfg80211_ssid *this_ssid)
1017{
a0f472ac
AS		 1018 struct brcmf_if *ifp = vif->ifp;
1019 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e756af5b 1020 struct cfg80211_ssid *ssids;
f0799895 1021 struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
81f5dcb8 1022 u32 passive_scan;
e756af5b
HM		 1023 bool escan_req;
1024 bool spec_scan;
1025 s32 err;
1026 u32 SSID_len;
1027
4e8a008e 1028 brcmf_dbg(SCAN, "START ESCAN\n");
e756af5b 1029
c1179033 1030 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 1031 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e756af5b
HM		 1032 return -EAGAIN;
1033 }
c1179033 1034 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
57d6e91a
AS		 1035 brcmf_err("Scanning being aborted: status (%lu)\n",
1036 cfg->scan_status);
e756af5b
HM		 1037 return -EAGAIN;
1038 }
1687eee2
AS		 1039 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
1040 brcmf_err("Scanning suppressed: status (%lu)\n",
1041 cfg->scan_status);
1042 return -EAGAIN;
1043 }
c1179033 1044 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
57d6e91a 1045 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
e756af5b
HM		 1046 return -EAGAIN;
1047 }
1048
0f8ffe17 1049 /* If scan req comes for p2p0, send it over primary I/F */
a0f472ac
AS		 1050 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
1051 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
0f8ffe17 1052
e756af5b 1053 /* Arm scan timeout timer */
27a68fe3 1054 mod_timer(&cfg->escan_timeout, jiffies +
e756af5b
HM		 1055 WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
1056
1057 escan_req = false;
1058 if (request) {
1059 /* scan bss */
1060 ssids = request->ssids;
1061 escan_req = true;
1062 } else {
1063 /* scan in ibss */
1064 /* we don't do escan in ibss */
1065 ssids = this_ssid;
1066 }
1067
27a68fe3 1068 cfg->scan_request = request;
c1179033 1069 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e756af5b 1070 if (escan_req) {
9f440b7b 1071 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 1072 err = brcmf_p2p_scan_prep(wiphy, request, vif);
9f440b7b
AS		 1073 if (err)
1074 goto scan_out;
1075
a0f472ac 1076 err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
2cb941c0 1077 if (err)
e756af5b
HM		 1078 goto scan_out;
1079 } else {
4e8a008e
AS		 1080 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
1081 ssids->ssid, ssids->ssid_len);
e756af5b
HM		 1082 memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
1083 SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
1084 sr->ssid_le.SSID_len = cpu_to_le32(0);
1085 spec_scan = false;
1086 if (SSID_len) {
1087 memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
1088 sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
1089 spec_scan = true;
1090 } else
4e8a008e 1091 brcmf_dbg(SCAN, "Broadcast scan\n");
e756af5b 1092
81f5dcb8 1093 passive_scan = cfg->active_scan ? 0 : 1;
c1179033 1094 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 1095 passive_scan);
e756af5b 1096 if (err) {
57d6e91a 1097 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
e756af5b
HM		 1098 goto scan_out;
1099 }
5e787f75 1100 brcmf_scan_config_mpc(ifp, 0);
c1179033 1101 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
ac24be6f 1102 &sr->ssid_le, sizeof(sr->ssid_le));
e756af5b
HM		 1103 if (err) {
1104 if (err == -EBUSY)
647c9ae0
AS		 1105 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
1106 sr->ssid_le.SSID);
e756af5b 1107 else
57d6e91a 1108 brcmf_err("WLC_SCAN error (%d)\n", err);
e756af5b 1109
5e787f75 1110 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1111 goto scan_out;
1112 }
1113 }
1114
1115 return 0;
1116
1117scan_out:
c1179033 1118 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
27a68fe3
AS		 1119 if (timer_pending(&cfg->escan_timeout))
1120 del_timer_sync(&cfg->escan_timeout);
1121 cfg->scan_request = NULL;
e756af5b
HM		 1122 return err;
1123}
1124
5b435de0 1125static s32
0abb5f21 1126brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
5b435de0 1127{
a0f472ac 1128 struct brcmf_cfg80211_vif *vif;
5b435de0
AS		 1129 s32 err = 0;
1130
d96b801f 1131 brcmf_dbg(TRACE, "Enter\n");
a0f472ac
AS		 1132 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1133 if (!check_vif_up(vif))
5b435de0
AS		 1134 return -EIO;
1135
a0f472ac 1136 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
e756af5b 1137
5b435de0 1138 if (err)
57d6e91a 1139 brcmf_err("scan error (%d)\n", err);
5b435de0 1140
d96b801f 1141 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1142 return err;
1143}
1144
1145static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1146{
1147 s32 err = 0;
1148
ac24be6f
AS		 1149 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1150 rts_threshold);
5b435de0 1151 if (err)
57d6e91a 1152 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1153
1154 return err;
1155}
1156
1157static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1158{
1159 s32 err = 0;
1160
ac24be6f
AS		 1161 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1162 frag_threshold);
5b435de0 1163 if (err)
57d6e91a 1164 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1165
1166 return err;
1167}
1168
1169static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1170{
1171 s32 err = 0;
b87e2c48 1172 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
5b435de0 1173
ac24be6f 1174 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
5b435de0 1175 if (err) {
57d6e91a 1176 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
5b435de0
AS		 1177 return err;
1178 }
1179 return err;
1180}
1181
1182static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1183{
27a68fe3
AS		 1184 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1185 struct net_device *ndev = cfg_to_ndev(cfg);
0abb5f21 1186 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1187 s32 err = 0;
1188
d96b801f 1189 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1190 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1191 return -EIO;
1192
1193 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
27a68fe3
AS		 1194 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1195 cfg->conf->rts_threshold = wiphy->rts_threshold;
1196 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
5b435de0
AS		 1197 if (!err)
1198 goto done;
1199 }
1200 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
27a68fe3
AS		 1201 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1202 cfg->conf->frag_threshold = wiphy->frag_threshold;
1203 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
5b435de0
AS		 1204 if (!err)
1205 goto done;
1206 }
1207 if (changed & WIPHY_PARAM_RETRY_LONG
27a68fe3
AS		 1208 && (cfg->conf->retry_long != wiphy->retry_long)) {
1209 cfg->conf->retry_long = wiphy->retry_long;
1210 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
5b435de0
AS		 1211 if (!err)
1212 goto done;
1213 }
1214 if (changed & WIPHY_PARAM_RETRY_SHORT
27a68fe3
AS		 1215 && (cfg->conf->retry_short != wiphy->retry_short)) {
1216 cfg->conf->retry_short = wiphy->retry_short;
1217 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
5b435de0
AS		 1218 if (!err)
1219 goto done;
1220 }
1221
1222done:
d96b801f 1223 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1224 return err;
1225}
1226
5b435de0
AS		 1227static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1228{
1229 memset(prof, 0, sizeof(*prof));
1230}
1231
9b7a0ddc
AS		 1232static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e)
1233{
1234 u16 reason;
1235
1236 switch (e->event_code) {
1237 case BRCMF_E_DEAUTH:
1238 case BRCMF_E_DEAUTH_IND:
1239 case BRCMF_E_DISASSOC_IND:
1240 reason = e->reason;
1241 break;
1242 case BRCMF_E_LINK:
1243 default:
1244 reason = 0;
1245 break;
1246 }
1247 return reason;
1248}
1249
1250static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason)
5b435de0 1251{
61730d4d 1252 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
5b435de0
AS		 1253 s32 err = 0;
1254
d96b801f 1255 brcmf_dbg(TRACE, "Enter\n");
5b435de0 1256
903e0eee 1257 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
647c9ae0 1258 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
903e0eee 1259 err = brcmf_fil_cmd_data_set(vif->ifp,
ac24be6f 1260 BRCMF_C_DISASSOC, NULL, 0);
a538ae31 1261 if (err) {
57d6e91a 1262 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
a538ae31 1263 }
903e0eee 1264 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state);
9b7a0ddc
AS		 1265 cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0,
1266 GFP_KERNEL);
43dffbc6 1267
5b435de0 1268 }
903e0eee 1269 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
61730d4d
PH		 1270 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1271 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
d96b801f 1272 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1273}
1274
1275static s32
1276brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1277 struct cfg80211_ibss_params *params)
1278{
27a68fe3 1279 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1280 struct brcmf_if *ifp = netdev_priv(ndev);
1281 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1282 struct brcmf_join_params join_params;
1283 size_t join_params_size = 0;
1284 s32 err = 0;
1285 s32 wsec = 0;
1286 s32 bcnprd;
1701261d 1287 u16 chanspec;
5b435de0 1288
d96b801f 1289 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1290 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1291 return -EIO;
1292
1293 if (params->ssid)
16886735 1294 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
5b435de0 1295 else {
16886735 1296 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
5b435de0
AS		 1297 return -EOPNOTSUPP;
1298 }
1299
c1179033 1300 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1301
1302 if (params->bssid)
16886735 1303 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
5b435de0 1304 else
16886735 1305 brcmf_dbg(CONN, "No BSSID specified\n");
5b435de0 1306
683b6d3b 1307 if (params->chandef.chan)
16886735
AS		 1308 brcmf_dbg(CONN, "channel: %d\n",
1309 params->chandef.chan->center_freq);
5b435de0 1310 else
16886735 1311 brcmf_dbg(CONN, "no channel specified\n");
5b435de0
AS		 1312
1313 if (params->channel_fixed)
16886735 1314 brcmf_dbg(CONN, "fixed channel required\n");
5b435de0 1315 else
16886735 1316 brcmf_dbg(CONN, "no fixed channel required\n");
5b435de0
AS		 1317
1318 if (params->ie && params->ie_len)
16886735 1319 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
5b435de0 1320 else
16886735 1321 brcmf_dbg(CONN, "no ie specified\n");
5b435de0
AS		 1322
1323 if (params->beacon_interval)
16886735
AS		 1324 brcmf_dbg(CONN, "beacon interval: %d\n",
1325 params->beacon_interval);
5b435de0 1326 else
16886735 1327 brcmf_dbg(CONN, "no beacon interval specified\n");
5b435de0
AS		 1328
1329 if (params->basic_rates)
16886735 1330 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
5b435de0 1331 else
16886735 1332 brcmf_dbg(CONN, "no basic rates specified\n");
5b435de0
AS		 1333
1334 if (params->privacy)
16886735 1335 brcmf_dbg(CONN, "privacy required\n");
5b435de0 1336 else
16886735 1337 brcmf_dbg(CONN, "no privacy required\n");
5b435de0
AS		 1338
1339 /* Configure Privacy for starter */
1340 if (params->privacy)
1341 wsec |= WEP_ENABLED;
1342
c1179033 1343 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
5b435de0 1344 if (err) {
57d6e91a 1345 brcmf_err("wsec failed (%d)\n", err);
5b435de0
AS		 1346 goto done;
1347 }
1348
1349 /* Configure Beacon Interval for starter */
1350 if (params->beacon_interval)
1351 bcnprd = params->beacon_interval;
1352 else
1353 bcnprd = 100;
1354
b87e2c48 1355 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
5b435de0 1356 if (err) {
57d6e91a 1357 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
5b435de0
AS		 1358 goto done;
1359 }
1360
1361 /* Configure required join parameter */
1362 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1363
1364 /* SSID */
6c8c4f72
AS		 1365 profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
1366 memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
1367 memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
1368 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1369 join_params_size = sizeof(join_params.ssid_le);
5b435de0
AS		 1370
1371 /* BSSID */
1372 if (params->bssid) {
1373 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1374 join_params_size = sizeof(join_params.ssid_le) +
1375 BRCMF_ASSOC_PARAMS_FIXED_SIZE;
6c8c4f72 1376 memcpy(profile->bssid, params->bssid, ETH_ALEN);
5b435de0 1377 } else {
ba40d166 1378 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
6c8c4f72 1379 memset(profile->bssid, 0, ETH_ALEN);
5b435de0
AS		 1380 }
1381
5b435de0 1382 /* Channel */
683b6d3b 1383 if (params->chandef.chan) {
5b435de0
AS		 1384 u32 target_channel;
1385
27a68fe3 1386 cfg->channel =
5b435de0 1387 ieee80211_frequency_to_channel(
683b6d3b 1388 params->chandef.chan->center_freq);
5b435de0
AS		 1389 if (params->channel_fixed) {
1390 /* adding chanspec */
600a897d
AS		 1391 chanspec = chandef_to_chanspec(&cfg->d11inf,
1392 &params->chandef);
1701261d
HM		 1393 join_params.params_le.chanspec_list[0] =
1394 cpu_to_le16(chanspec);
1395 join_params.params_le.chanspec_num = cpu_to_le32(1);
1396 join_params_size += sizeof(join_params.params_le);
5b435de0
AS		 1397 }
1398
1399 /* set channel for starter */
27a68fe3 1400 target_channel = cfg->channel;
b87e2c48 1401 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
81f5dcb8 1402 target_channel);
5b435de0 1403 if (err) {
57d6e91a 1404 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
5b435de0
AS		 1405 goto done;
1406 }
1407 } else
27a68fe3 1408 cfg->channel = 0;
5b435de0 1409
27a68fe3 1410 cfg->ibss_starter = false;
5b435de0
AS		 1411
1412
c1179033 1413 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1414 &join_params, join_params_size);
5b435de0 1415 if (err) {
57d6e91a 1416 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1417 goto done;
1418 }
1419
1420done:
1421 if (err)
c1179033 1422 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1423 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1424 return err;
1425}
1426
1427static s32
1428brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1429{
0abb5f21 1430 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 1431
d96b801f 1432 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1433 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1434 return -EIO;
1435
9b7a0ddc 1436 brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING);
5b435de0 1437
d96b801f 1438 brcmf_dbg(TRACE, "Exit\n");
5b435de0 1439
12f32370 1440 return 0;
5b435de0
AS		 1441}
1442
1443static s32 brcmf_set_wpa_version(struct net_device *ndev,
1444 struct cfg80211_connect_params *sme)
1445{
6ac4f4ed 1446 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1447 struct brcmf_cfg80211_security *sec;
1448 s32 val = 0;
1449 s32 err = 0;
1450
1451 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1452 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1453 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1454 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1455 else
1456 val = WPA_AUTH_DISABLED;
16886735 1457 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
89286dc9 1458 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
5b435de0 1459 if (err) {
57d6e91a 1460 brcmf_err("set wpa_auth failed (%d)\n", err);
5b435de0
AS		 1461 return err;
1462 }
06bb123e 1463 sec = &profile->sec;
5b435de0
AS		 1464 sec->wpa_versions = sme->crypto.wpa_versions;
1465 return err;
1466}
1467
1468static s32 brcmf_set_auth_type(struct net_device *ndev,
1469 struct cfg80211_connect_params *sme)
1470{
6ac4f4ed 1471 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1472 struct brcmf_cfg80211_security *sec;
1473 s32 val = 0;
1474 s32 err = 0;
1475
1476 switch (sme->auth_type) {
1477 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1478 val = 0;
16886735 1479 brcmf_dbg(CONN, "open system\n");
5b435de0
AS		 1480 break;
1481 case NL80211_AUTHTYPE_SHARED_KEY:
1482 val = 1;
16886735 1483 brcmf_dbg(CONN, "shared key\n");
5b435de0
AS		 1484 break;
1485 case NL80211_AUTHTYPE_AUTOMATIC:
1486 val = 2;
16886735 1487 brcmf_dbg(CONN, "automatic\n");
5b435de0
AS		 1488 break;
1489 case NL80211_AUTHTYPE_NETWORK_EAP:
16886735 1490 brcmf_dbg(CONN, "network eap\n");
5b435de0
AS		 1491 default:
1492 val = 2;
57d6e91a 1493 brcmf_err("invalid auth type (%d)\n", sme->auth_type);
5b435de0
AS		 1494 break;
1495 }
1496
89286dc9 1497 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
5b435de0 1498 if (err) {
57d6e91a 1499 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1500 return err;
1501 }
06bb123e 1502 sec = &profile->sec;
5b435de0
AS		 1503 sec->auth_type = sme->auth_type;
1504 return err;
1505}
1506
1507static s32
87b7e9e2
DK		 1508brcmf_set_wsec_mode(struct net_device *ndev,
1509 struct cfg80211_connect_params *sme, bool mfp)
5b435de0 1510{
6ac4f4ed 1511 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1512 struct brcmf_cfg80211_security *sec;
1513 s32 pval = 0;
1514 s32 gval = 0;
87b7e9e2 1515 s32 wsec;
5b435de0
AS		 1516 s32 err = 0;
1517
1518 if (sme->crypto.n_ciphers_pairwise) {
1519 switch (sme->crypto.ciphers_pairwise[0]) {
1520 case WLAN_CIPHER_SUITE_WEP40:
1521 case WLAN_CIPHER_SUITE_WEP104:
1522 pval = WEP_ENABLED;
1523 break;
1524 case WLAN_CIPHER_SUITE_TKIP:
1525 pval = TKIP_ENABLED;
1526 break;
1527 case WLAN_CIPHER_SUITE_CCMP:
1528 pval = AES_ENABLED;
1529 break;
1530 case WLAN_CIPHER_SUITE_AES_CMAC:
1531 pval = AES_ENABLED;
1532 break;
1533 default:
57d6e91a
AS		 1534 brcmf_err("invalid cipher pairwise (%d)\n",
1535 sme->crypto.ciphers_pairwise[0]);
5b435de0
AS		 1536 return -EINVAL;
1537 }
1538 }
1539 if (sme->crypto.cipher_group) {
1540 switch (sme->crypto.cipher_group) {
1541 case WLAN_CIPHER_SUITE_WEP40:
1542 case WLAN_CIPHER_SUITE_WEP104:
1543 gval = WEP_ENABLED;
1544 break;
1545 case WLAN_CIPHER_SUITE_TKIP:
1546 gval = TKIP_ENABLED;
1547 break;
1548 case WLAN_CIPHER_SUITE_CCMP:
1549 gval = AES_ENABLED;
1550 break;
1551 case WLAN_CIPHER_SUITE_AES_CMAC:
1552 gval = AES_ENABLED;
1553 break;
1554 default:
57d6e91a
AS		 1555 brcmf_err("invalid cipher group (%d)\n",
1556 sme->crypto.cipher_group);
5b435de0
AS		 1557 return -EINVAL;
1558 }
1559 }
1560
16886735 1561 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
89286dc9
HM		 1562 /* In case of privacy, but no security and WPS then simulate */
1563 /* setting AES. WPS-2.0 allows no security */
1564 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1565 sme->privacy)
1566 pval = AES_ENABLED;
87b7e9e2
DK		 1567
1568 if (mfp)
1569 wsec = pval | gval | MFP_CAPABLE;
1570 else
1571 wsec = pval | gval;
1572 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
5b435de0 1573 if (err) {
57d6e91a 1574 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1575 return err;
1576 }
1577
06bb123e 1578 sec = &profile->sec;
5b435de0
AS		 1579 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1580 sec->cipher_group = sme->crypto.cipher_group;
1581
1582 return err;
1583}
1584
1585static s32
1586brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1587{
6ac4f4ed 1588 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1589 struct brcmf_cfg80211_security *sec;
1590 s32 val = 0;
1591 s32 err = 0;
1592
1593 if (sme->crypto.n_akm_suites) {
89286dc9
HM		 1594 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
1595 "wpa_auth", &val);
5b435de0 1596 if (err) {
57d6e91a 1597 brcmf_err("could not get wpa_auth (%d)\n", err);
5b435de0
AS		 1598 return err;
1599 }
1600 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1601 switch (sme->crypto.akm_suites[0]) {
1602 case WLAN_AKM_SUITE_8021X:
1603 val = WPA_AUTH_UNSPECIFIED;
1604 break;
1605 case WLAN_AKM_SUITE_PSK:
1606 val = WPA_AUTH_PSK;
1607 break;
1608 default:
57d6e91a
AS		 1609 brcmf_err("invalid cipher group (%d)\n",
1610 sme->crypto.cipher_group);
5b435de0
AS		 1611 return -EINVAL;
1612 }
1613 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1614 switch (sme->crypto.akm_suites[0]) {
1615 case WLAN_AKM_SUITE_8021X:
1616 val = WPA2_AUTH_UNSPECIFIED;
1617 break;
1618 case WLAN_AKM_SUITE_PSK:
1619 val = WPA2_AUTH_PSK;
1620 break;
1621 default:
57d6e91a
AS		 1622 brcmf_err("invalid cipher group (%d)\n",
1623 sme->crypto.cipher_group);
5b435de0
AS		 1624 return -EINVAL;
1625 }
1626 }
1627
16886735 1628 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
89286dc9
HM		 1629 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
1630 "wpa_auth", val);
5b435de0 1631 if (err) {
57d6e91a 1632 brcmf_err("could not set wpa_auth (%d)\n", err);
5b435de0
AS		 1633 return err;
1634 }
1635 }
06bb123e 1636 sec = &profile->sec;
5b435de0
AS		 1637 sec->wpa_auth = sme->crypto.akm_suites[0];
1638
1639 return err;
1640}
1641
1642static s32
f09d0c02
HM		 1643brcmf_set_sharedkey(struct net_device *ndev,
1644 struct cfg80211_connect_params *sme)
5b435de0 1645{
6ac4f4ed 1646 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1647 struct brcmf_cfg80211_security *sec;
1648 struct brcmf_wsec_key key;
1649 s32 val;
1650 s32 err = 0;
1651
16886735 1652 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
5b435de0 1653
a718e2fe
RV		 1654 if (sme->key_len == 0)
1655 return 0;
1656
06bb123e 1657 sec = &profile->sec;
16886735
AS		 1658 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1659 sec->wpa_versions, sec->cipher_pairwise);
a718e2fe
RV		 1660
1661 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1662 return 0;
1663
f09d0c02
HM		 1664 if (!(sec->cipher_pairwise &
1665 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1666 return 0;
a718e2fe 1667
f09d0c02
HM		 1668 memset(&key, 0, sizeof(key));
1669 key.len = (u32) sme->key_len;
1670 key.index = (u32) sme->key_idx;
1671 if (key.len > sizeof(key.data)) {
57d6e91a 1672 brcmf_err("Too long key length (%u)\n", key.len);
f09d0c02
HM		 1673 return -EINVAL;
1674 }
1675 memcpy(key.data, sme->key, key.len);
1676 key.flags = BRCMF_PRIMARY_KEY;
1677 switch (sec->cipher_pairwise) {
1678 case WLAN_CIPHER_SUITE_WEP40:
1679 key.algo = CRYPTO_ALGO_WEP1;
1680 break;
1681 case WLAN_CIPHER_SUITE_WEP104:
1682 key.algo = CRYPTO_ALGO_WEP128;
1683 break;
1684 default:
57d6e91a
AS		 1685 brcmf_err("Invalid algorithm (%d)\n",
1686 sme->crypto.ciphers_pairwise[0]);
f09d0c02
HM		 1687 return -EINVAL;
1688 }
1689 /* Set the new key/index */
16886735
AS		 1690 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1691 key.len, key.index, key.algo);
1692 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
118eb304 1693 err = send_key_to_dongle(netdev_priv(ndev), &key);
f09d0c02
HM		 1694 if (err)
1695 return err;
1696
1697 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
16886735 1698 brcmf_dbg(CONN, "set auth_type to shared key\n");
f09d0c02 1699 val = WL_AUTH_SHARED_KEY; /* shared key */
ac24be6f 1700 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
f09d0c02 1701 if (err)
57d6e91a 1702 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1703 }
1704 return err;
1705}
1706
cbb1ec94
AS		 1707static
1708enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1709 enum nl80211_auth_type type)
1710{
c08437b4
AS		 1711 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1712 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1713 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1714 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
cbb1ec94
AS		 1715 }
1716 return type;
1717}
1718
5b435de0
AS		 1719static s32
1720brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
cbb1ec94 1721 struct cfg80211_connect_params *sme)
5b435de0 1722{
27a68fe3 1723 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1724 struct brcmf_if *ifp = netdev_priv(ndev);
1725 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1726 struct ieee80211_channel *chan = sme->channel;
1727 struct brcmf_join_params join_params;
1728 size_t join_params_size;
4b5800fe
JB		 1729 const struct brcmf_tlv *rsn_ie;
1730 const struct brcmf_vs_tlv *wpa_ie;
1731 const void *ie;
89286dc9
HM		 1732 u32 ie_len;
1733 struct brcmf_ext_join_params_le *ext_join_params;
1701261d 1734 u16 chanspec;
5b435de0
AS		 1735 s32 err = 0;
1736
d96b801f 1737 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1738 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1739 return -EIO;
1740
1741 if (!sme->ssid) {
57d6e91a 1742 brcmf_err("Invalid ssid\n");
5b435de0
AS		 1743 return -EOPNOTSUPP;
1744 }
1745
89286dc9
HM		 1746 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1747 /* A normal (non P2P) connection request setup. */
1748 ie = NULL;
1749 ie_len = 0;
1750 /* find the WPA_IE */
1751 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1752 if (wpa_ie) {
1753 ie = wpa_ie;
1754 ie_len = wpa_ie->len + TLV_HDR_LEN;
1755 } else {
1756 /* find the RSN_IE */
4b5800fe
JB		 1757 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1758 sme->ie_len,
89286dc9
HM		 1759 WLAN_EID_RSN);
1760 if (rsn_ie) {
1761 ie = rsn_ie;
1762 ie_len = rsn_ie->len + TLV_HDR_LEN;
1763 }
1764 }
1765 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1766 }
1767
1768 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1769 sme->ie, sme->ie_len);
1770 if (err)
1771 brcmf_err("Set Assoc REQ IE Failed\n");
1772 else
1773 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1774
c1179033 1775 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1776
1777 if (chan) {
27a68fe3 1778 cfg->channel =
5b435de0 1779 ieee80211_frequency_to_channel(chan->center_freq);
83cf17aa 1780 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1701261d
HM		 1781 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1782 cfg->channel, chan->center_freq, chanspec);
1783 } else {
27a68fe3 1784 cfg->channel = 0;
1701261d
HM		 1785 chanspec = 0;
1786 }
5b435de0 1787
647c9ae0 1788 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
5b435de0
AS		 1789
1790 err = brcmf_set_wpa_version(ndev, sme);
1791 if (err) {
57d6e91a 1792 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
5b435de0
AS		 1793 goto done;
1794 }
1795
cbb1ec94 1796 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
5b435de0
AS		 1797 err = brcmf_set_auth_type(ndev, sme);
1798 if (err) {
57d6e91a 1799 brcmf_err("wl_set_auth_type failed (%d)\n", err);
5b435de0
AS		 1800 goto done;
1801 }
1802
87b7e9e2 1803 err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
5b435de0 1804 if (err) {
57d6e91a 1805 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
5b435de0
AS		 1806 goto done;
1807 }
1808
1809 err = brcmf_set_key_mgmt(ndev, sme);
1810 if (err) {
57d6e91a 1811 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
5b435de0
AS		 1812 goto done;
1813 }
1814
f09d0c02 1815 err = brcmf_set_sharedkey(ndev, sme);
5b435de0 1816 if (err) {
57d6e91a 1817 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
5b435de0
AS		 1818 goto done;
1819 }
1820
89286dc9
HM		 1821 profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID),
1822 (u32)sme->ssid_len);
1823 memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
1824 if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
1825 profile->ssid.SSID[profile->ssid.SSID_len] = 0;
1826 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID,
1827 profile->ssid.SSID_len);
1828 }
1829
1830 /* Join with specific BSSID and cached SSID
1831 * If SSID is zero join based on BSSID only
1832 */
1833 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1834 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1835 if (cfg->channel)
1836 join_params_size += sizeof(u16);
1837 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1838 if (ext_join_params == NULL) {
1839 err = -ENOMEM;
1840 goto done;
1841 }
1842 ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1843 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid,
1844 profile->ssid.SSID_len);
63dd99e6 1845
89286dc9
HM		 1846 /* Set up join scan parameters */
1847 ext_join_params->scan_le.scan_type = -1;
89286dc9
HM		 1848 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1849
1850 if (sme->bssid)
1851 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1852 else
1853 memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN);
1854
1855 if (cfg->channel) {
1856 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
1857
1858 ext_join_params->assoc_le.chanspec_list[0] =
1859 cpu_to_le16(chanspec);
63dd99e6
HM		 1860 /* Increase dwell time to receive probe response or detect
1861 * beacon from target AP at a noisy air only during connect
1862 * command.
1863 */
1864 ext_join_params->scan_le.active_time =
1865 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
1866 ext_join_params->scan_le.passive_time =
1867 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
1868 /* To sync with presence period of VSDB GO send probe request
1869 * more frequently. Probe request will be stopped when it gets
1870 * probe response from target AP/GO.
1871 */
1872 ext_join_params->scan_le.nprobes =
1873 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
1874 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
1875 } else {
1876 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
1877 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
1878 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
89286dc9
HM		 1879 }
1880
1881 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
1882 join_params_size);
1883 kfree(ext_join_params);
1884 if (!err)
1885 /* This is it. join command worked, we are done */
1886 goto done;
1887
1888 /* join command failed, fallback to set ssid */
5b435de0
AS		 1889 memset(&join_params, 0, sizeof(join_params));
1890 join_params_size = sizeof(join_params.ssid_le);
1891
6c8c4f72 1892 memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
6c8c4f72 1893 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1894
89286dc9
HM		 1895 if (sme->bssid)
1896 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
1897 else
1898 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
5b435de0 1899
1701261d
HM		 1900 if (cfg->channel) {
1901 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
1902 join_params.params_le.chanspec_num = cpu_to_le32(1);
1903 join_params_size += sizeof(join_params.params_le);
1904 }
c1179033 1905 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1906 &join_params, join_params_size);
5b435de0 1907 if (err)
89286dc9 1908 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1909
1910done:
1911 if (err)
c1179033 1912 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1913 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1914 return err;
1915}
1916
1917static s32
1918brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1919 u16 reason_code)
1920{
0abb5f21
AS		 1921 struct brcmf_if *ifp = netdev_priv(ndev);
1922 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1923 struct brcmf_scb_val_le scbval;
1924 s32 err = 0;
1925
d96b801f 1926 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
ce81e317 1927 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1928 return -EIO;
1929
c1179033 1930 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
4f3fff14 1931 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
43dffbc6 1932 cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL);
5b435de0 1933
06bb123e 1934 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
5b435de0 1935 scbval.val = cpu_to_le32(reason_code);
c1179033 1936 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
ac24be6f 1937 &scbval, sizeof(scbval));
5b435de0 1938 if (err)
57d6e91a 1939 brcmf_err("error (%d)\n", err);
5b435de0 1940
d96b801f 1941 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1942 return err;
1943}
1944
1945static s32
c8442118 1946brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
d3f31134 1947 enum nl80211_tx_power_setting type, s32 mbm)
5b435de0
AS		 1948{
1949
27a68fe3 1950 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1951 struct net_device *ndev = cfg_to_ndev(cfg);
1952 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1953 u16 txpwrmw;
1954 s32 err = 0;
1955 s32 disable = 0;
d3f31134 1956 s32 dbm = MBM_TO_DBM(mbm);
5b435de0 1957
d96b801f 1958 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1959 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1960 return -EIO;
1961
1962 switch (type) {
1963 case NL80211_TX_POWER_AUTOMATIC:
1964 break;
1965 case NL80211_TX_POWER_LIMITED:
5b435de0
AS		 1966 case NL80211_TX_POWER_FIXED:
1967 if (dbm < 0) {
57d6e91a 1968 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
5b435de0
AS		 1969 err = -EINVAL;
1970 goto done;
1971 }
1972 break;
1973 }
1974 /* Make sure radio is off or on as far as software is concerned */
1975 disable = WL_RADIO_SW_DISABLE << 16;
ac24be6f 1976 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
5b435de0 1977 if (err)
57d6e91a 1978 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
5b435de0
AS		 1979
1980 if (dbm > 0xffff)
1981 txpwrmw = 0xffff;
1982 else
1983 txpwrmw = (u16) dbm;
ac24be6f
AS		 1984 err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
1985 (s32)brcmf_mw_to_qdbm(txpwrmw));
5b435de0 1986 if (err)
57d6e91a 1987 brcmf_err("qtxpower error (%d)\n", err);
27a68fe3 1988 cfg->conf->tx_power = dbm;
5b435de0
AS		 1989
1990done:
d96b801f 1991 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1992 return err;
1993}
1994
c8442118
JB		 1995static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy,
1996 struct wireless_dev *wdev,
1997 s32 *dbm)
5b435de0 1998{
27a68fe3 1999 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2000 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5b435de0
AS		 2001 s32 txpwrdbm;
2002 u8 result;
2003 s32 err = 0;
2004
d96b801f 2005 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2006 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2007 return -EIO;
2008
0abb5f21 2009 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
5b435de0 2010 if (err) {
57d6e91a 2011 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2012 goto done;
2013 }
2014
2015 result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
ef6ac17a 2016 *dbm = (s32) brcmf_qdbm_to_mw(result);
5b435de0
AS		 2017
2018done:
d96b801f 2019 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2020 return err;
2021}
2022
2023static s32
2024brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
2025 u8 key_idx, bool unicast, bool multicast)
2026{
0abb5f21 2027 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2028 u32 index;
2029 u32 wsec;
2030 s32 err = 0;
2031
d96b801f 2032 brcmf_dbg(TRACE, "Enter\n");
16886735 2033 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2034 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2035 return -EIO;
2036
0abb5f21 2037 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2038 if (err) {
57d6e91a 2039 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2040 goto done;
2041 }
2042
2043 if (wsec & WEP_ENABLED) {
2044 /* Just select a new current key */
2045 index = key_idx;
0abb5f21 2046 err = brcmf_fil_cmd_int_set(ifp,
ac24be6f 2047 BRCMF_C_SET_KEY_PRIMARY, index);
5b435de0 2048 if (err)
57d6e91a 2049 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2050 }
2051done:
d96b801f 2052 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2053 return err;
2054}
2055
2056static s32
2057brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
2058 u8 key_idx, const u8 *mac_addr, struct key_params *params)
2059{
992f6068 2060 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2061 struct brcmf_wsec_key key;
5b435de0 2062 s32 err = 0;
992f6068 2063 u8 keybuf[8];
5b435de0
AS		 2064
2065 memset(&key, 0, sizeof(key));
2066 key.index = (u32) key_idx;
2067 /* Instead of bcast for ea address for default wep keys,
2068 driver needs it to be Null */
2069 if (!is_multicast_ether_addr(mac_addr))
2070 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
2071 key.len = (u32) params->key_len;
2072 /* check for key index change */
2073 if (key.len == 0) {
2074 /* key delete */
118eb304 2075 err = send_key_to_dongle(ifp, &key);
5b435de0 2076 if (err)
57d6e91a 2077 brcmf_err("key delete error (%d)\n", err);
5b435de0
AS		 2078 } else {
2079 if (key.len > sizeof(key.data)) {
57d6e91a 2080 brcmf_err("Invalid key length (%d)\n", key.len);
5b435de0
AS		 2081 return -EINVAL;
2082 }
2083
16886735 2084 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
5b435de0
AS		 2085 memcpy(key.data, params->key, key.len);
2086
967fe2c8 2087 if (!brcmf_is_apmode(ifp->vif) &&
992f6068
HM		 2088 (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
2089 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
5b435de0
AS		 2090 memcpy(keybuf, &key.data[24], sizeof(keybuf));
2091 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
2092 memcpy(&key.data[16], keybuf, sizeof(keybuf));
2093 }
2094
2095 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
2096 if (params->seq && params->seq_len == 6) {
2097 /* rx iv */
2098 u8 *ivptr;
2099 ivptr = (u8 *) params->seq;
2100 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
2101 (ivptr[3] << 8) | ivptr[2];
2102 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
2103 key.iv_initialized = true;
2104 }
2105
2106 switch (params->cipher) {
2107 case WLAN_CIPHER_SUITE_WEP40:
2108 key.algo = CRYPTO_ALGO_WEP1;
16886735 2109 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2110 break;
2111 case WLAN_CIPHER_SUITE_WEP104:
2112 key.algo = CRYPTO_ALGO_WEP128;
16886735 2113 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2114 break;
2115 case WLAN_CIPHER_SUITE_TKIP:
2116 key.algo = CRYPTO_ALGO_TKIP;
16886735 2117 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2118 break;
2119 case WLAN_CIPHER_SUITE_AES_CMAC:
2120 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2121 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2122 break;
2123 case WLAN_CIPHER_SUITE_CCMP:
2124 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2125 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2126 break;
2127 default:
57d6e91a 2128 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2129 return -EINVAL;
2130 }
118eb304 2131 err = send_key_to_dongle(ifp, &key);
f09d0c02 2132 if (err)
57d6e91a 2133 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 2134 }
2135 return err;
2136}
2137
2138static s32
2139brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2140 u8 key_idx, bool pairwise, const u8 *mac_addr,
2141 struct key_params *params)
2142{
0abb5f21 2143 struct brcmf_if *ifp = netdev_priv(ndev);
118eb304 2144 struct brcmf_wsec_key *key;
5b435de0
AS		 2145 s32 val;
2146 s32 wsec;
2147 s32 err = 0;
2148 u8 keybuf[8];
2149
d96b801f 2150 brcmf_dbg(TRACE, "Enter\n");
16886735 2151 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2152 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2153 return -EIO;
2154
118eb304
HM		 2155 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2156 /* we ignore this key index in this case */
2157 brcmf_err("invalid key index (%d)\n", key_idx);
2158 return -EINVAL;
2159 }
2160
787eb033
DK		 2161 if (mac_addr &&
2162 (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2163 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
d96b801f 2164 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2165 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
2166 }
5b435de0 2167
118eb304
HM		 2168 key = &ifp->vif->profile.key[key_idx];
2169 memset(key, 0, sizeof(*key));
5b435de0 2170
118eb304
HM		 2171 if (params->key_len > sizeof(key->data)) {
2172 brcmf_err("Too long key length (%u)\n", params->key_len);
5b435de0
AS		 2173 err = -EINVAL;
2174 goto done;
2175 }
118eb304
HM		 2176 key->len = params->key_len;
2177 key->index = key_idx;
5b435de0 2178
118eb304
HM		 2179 memcpy(key->data, params->key, key->len);
2180
2181 key->flags = BRCMF_PRIMARY_KEY;
5b435de0
AS		 2182 switch (params->cipher) {
2183 case WLAN_CIPHER_SUITE_WEP40:
118eb304 2184 key->algo = CRYPTO_ALGO_WEP1;
f09d0c02 2185 val = WEP_ENABLED;
16886735 2186 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2187 break;
2188 case WLAN_CIPHER_SUITE_WEP104:
118eb304 2189 key->algo = CRYPTO_ALGO_WEP128;
f09d0c02 2190 val = WEP_ENABLED;
16886735 2191 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2192 break;
2193 case WLAN_CIPHER_SUITE_TKIP:
967fe2c8 2194 if (!brcmf_is_apmode(ifp->vif)) {
992f6068 2195 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
118eb304
HM		 2196 memcpy(keybuf, &key->data[24], sizeof(keybuf));
2197 memcpy(&key->data[24], &key->data[16], sizeof(keybuf));
2198 memcpy(&key->data[16], keybuf, sizeof(keybuf));
1a873342 2199 }
118eb304 2200 key->algo = CRYPTO_ALGO_TKIP;
f09d0c02 2201 val = TKIP_ENABLED;
16886735 2202 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2203 break;
2204 case WLAN_CIPHER_SUITE_AES_CMAC:
118eb304 2205 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2206 val = AES_ENABLED;
16886735 2207 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2208 break;
2209 case WLAN_CIPHER_SUITE_CCMP:
118eb304 2210 key->algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2211 val = AES_ENABLED;
16886735 2212 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2213 break;
2214 default:
57d6e91a 2215 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2216 err = -EINVAL;
2217 goto done;
2218 }
2219
118eb304 2220 err = send_key_to_dongle(ifp, key);
5b435de0
AS		 2221 if (err)
2222 goto done;
2223
0abb5f21 2224 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2225 if (err) {
57d6e91a 2226 brcmf_err("get wsec error (%d)\n", err);
5b435de0
AS		 2227 goto done;
2228 }
5b435de0 2229 wsec |= val;
0abb5f21 2230 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
5b435de0 2231 if (err) {
57d6e91a 2232 brcmf_err("set wsec error (%d)\n", err);
5b435de0
AS		 2233 goto done;
2234 }
2235
5b435de0 2236done:
d96b801f 2237 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2238 return err;
2239}
2240
2241static s32
2242brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2243 u8 key_idx, bool pairwise, const u8 *mac_addr)
2244{
0abb5f21 2245 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2246 struct brcmf_wsec_key key;
2247 s32 err = 0;
5b435de0 2248
d96b801f 2249 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2250 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2251 return -EIO;
2252
118eb304 2253 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
256c374f 2254 /* we ignore this key index in this case */
256c374f
HM		 2255 return -EINVAL;
2256 }
2257
5b435de0
AS		 2258 memset(&key, 0, sizeof(key));
2259
2260 key.index = (u32) key_idx;
2261 key.flags = BRCMF_PRIMARY_KEY;
2262 key.algo = CRYPTO_ALGO_OFF;
2263
16886735 2264 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
5b435de0
AS		 2265
2266 /* Set the new key/index */
118eb304 2267 err = send_key_to_dongle(ifp, &key);
5b435de0 2268
d96b801f 2269 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2270 return err;
2271}
2272
2273static s32
2274brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
2275 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
2276 void (*callback) (void *cookie, struct key_params * params))
2277{
2278 struct key_params params;
0abb5f21
AS		 2279 struct brcmf_if *ifp = netdev_priv(ndev);
2280 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2281 struct brcmf_cfg80211_security *sec;
2282 s32 wsec;
2283 s32 err = 0;
2284
d96b801f 2285 brcmf_dbg(TRACE, "Enter\n");
16886735 2286 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2287 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2288 return -EIO;
2289
2290 memset(&params, 0, sizeof(params));
2291
0abb5f21 2292 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2293 if (err) {
57d6e91a 2294 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2295 /* Ignore this error, may happen during DISASSOC */
2296 err = -EAGAIN;
2297 goto done;
2298 }
c5bf53a8 2299 if (wsec & WEP_ENABLED) {
06bb123e 2300 sec = &profile->sec;
5b435de0
AS		 2301 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2302 params.cipher = WLAN_CIPHER_SUITE_WEP40;
16886735 2303 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2304 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2305 params.cipher = WLAN_CIPHER_SUITE_WEP104;
16886735 2306 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0 2307 }
c5bf53a8 2308 } else if (wsec & TKIP_ENABLED) {
5b435de0 2309 params.cipher = WLAN_CIPHER_SUITE_TKIP;
16886735 2310 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
c5bf53a8 2311 } else if (wsec & AES_ENABLED) {
5b435de0 2312 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
16886735 2313 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
c5bf53a8 2314 } else {
57d6e91a 2315 brcmf_err("Invalid algo (0x%x)\n", wsec);
5b435de0
AS		 2316 err = -EINVAL;
2317 goto done;
2318 }
2319 callback(cookie, &params);
2320
2321done:
d96b801f 2322 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2323 return err;
2324}
2325
2326static s32
2327brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2328 struct net_device *ndev, u8 key_idx)
2329{
647c9ae0 2330 brcmf_dbg(INFO, "Not supported\n");
5b435de0
AS		 2331
2332 return -EOPNOTSUPP;
2333}
2334
118eb304
HM		 2335static void
2336brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp)
2337{
2338 s32 err;
2339 u8 key_idx;
2340 struct brcmf_wsec_key *key;
2341 s32 wsec;
2342
2343 for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) {
2344 key = &ifp->vif->profile.key[key_idx];
2345 if ((key->algo == CRYPTO_ALGO_WEP1) ||
2346 (key->algo == CRYPTO_ALGO_WEP128))
2347 break;
2348 }
2349 if (key_idx == BRCMF_MAX_DEFAULT_KEYS)
2350 return;
2351
2352 err = send_key_to_dongle(ifp, key);
2353 if (err) {
2354 brcmf_err("Setting WEP key failed (%d)\n", err);
2355 return;
2356 }
2357 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2358 if (err) {
2359 brcmf_err("get wsec error (%d)\n", err);
2360 return;
2361 }
2362 wsec |= WEP_ENABLED;
2363 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2364 if (err)
2365 brcmf_err("set wsec error (%d)\n", err);
2366}
2367
5b435de0
AS		 2368static s32
2369brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
3b3a0162 2370 const u8 *mac, struct station_info *sinfo)
5b435de0 2371{
0abb5f21
AS		 2372 struct brcmf_if *ifp = netdev_priv(ndev);
2373 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2374 struct brcmf_scb_val_le scb_val;
2375 int rssi;
2376 s32 rate;
2377 s32 err = 0;
06bb123e 2378 u8 *bssid = profile->bssid;
81f5dcb8 2379 struct brcmf_sta_info_le sta_info_le;
9ee66d1b
HM		 2380 u32 beacon_period;
2381 u32 dtim_period;
5b435de0 2382
d96b801f 2383 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
ce81e317 2384 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2385 return -EIO;
2386
967fe2c8 2387 if (brcmf_is_apmode(ifp->vif)) {
81f5dcb8 2388 memcpy(&sta_info_le, mac, ETH_ALEN);
0abb5f21 2389 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
ac24be6f 2390 &sta_info_le,
81f5dcb8 2391 sizeof(sta_info_le));
1a873342 2392 if (err < 0) {
57d6e91a 2393 brcmf_err("GET STA INFO failed, %d\n", err);
1a873342
HM		 2394 goto done;
2395 }
319090bf 2396 sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME);
81f5dcb8
HM		 2397 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2398 if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
319090bf 2399 sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME);
81f5dcb8 2400 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
1a873342 2401 }
d96b801f
AS		 2402 brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
2403 sinfo->inactive_time, sinfo->connected_time);
967fe2c8 2404 } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) {
1a873342 2405 if (memcmp(mac, bssid, ETH_ALEN)) {
57d6e91a
AS		 2406 brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
2407 mac, bssid);
1a873342
HM		 2408 err = -ENOENT;
2409 goto done;
2410 }
2411 /* Report the current tx rate */
89286dc9 2412 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
7f6c562d 2413 if (err) {
57d6e91a 2414 brcmf_err("Could not get rate (%d)\n", err);
1a873342 2415 goto done;
7f6c562d 2416 } else {
319090bf 2417 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
1a873342 2418 sinfo->txrate.legacy = rate * 5;
16886735 2419 brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);
7f6c562d 2420 }
5b435de0 2421
c1179033
AS		 2422 if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
2423 &ifp->vif->sme_state)) {
1a873342 2424 memset(&scb_val, 0, sizeof(scb_val));
c1179033
AS		 2425 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
2426 &scb_val, sizeof(scb_val));
1a873342 2427 if (err) {
57d6e91a 2428 brcmf_err("Could not get rssi (%d)\n", err);
1a873342
HM		 2429 goto done;
2430 } else {
2431 rssi = le32_to_cpu(scb_val.val);
319090bf 2432 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
1a873342 2433 sinfo->signal = rssi;
16886735 2434 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
1a873342 2435 }
9ee66d1b
HM		 2436 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD,
2437 &beacon_period);
2438 if (err) {
2439 brcmf_err("Could not get beacon period (%d)\n",
2440 err);
2441 goto done;
2442 } else {
2443 sinfo->bss_param.beacon_interval =
2444 beacon_period;
2445 brcmf_dbg(CONN, "Beacon peroid %d\n",
2446 beacon_period);
2447 }
2448 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD,
2449 &dtim_period);
2450 if (err) {
2451 brcmf_err("Could not get DTIM period (%d)\n",
2452 err);
2453 goto done;
2454 } else {
2455 sinfo->bss_param.dtim_period = dtim_period;
2456 brcmf_dbg(CONN, "DTIM peroid %d\n",
2457 dtim_period);
2458 }
319090bf 2459 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1a873342
HM		 2460 }
2461 } else
2462 err = -EPERM;
5b435de0 2463done:
d96b801f 2464 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2465 return err;
2466}
2467
2468static s32
2469brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2470 bool enabled, s32 timeout)
2471{
2472 s32 pm;
2473 s32 err = 0;
27a68fe3 2474 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
c1179033 2475 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2476
d96b801f 2477 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2478
2479 /*
2480 * Powersave enable/disable request is coming from the
2481 * cfg80211 even before the interface is up. In that
2482 * scenario, driver will be storing the power save
27a68fe3 2483 * preference in cfg struct to apply this to
5b435de0
AS		 2484 * FW later while initializing the dongle
2485 */
27a68fe3 2486 cfg->pwr_save = enabled;
ce81e317 2487 if (!check_vif_up(ifp->vif)) {
5b435de0 2488
647c9ae0 2489 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
5b435de0
AS		 2490 goto done;
2491 }
2492
2493 pm = enabled ? PM_FAST : PM_OFF;
102fd0d6
HM		 2494 /* Do not enable the power save after assoc if it is a p2p interface */
2495 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2496 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2497 pm = PM_OFF;
2498 }
647c9ae0 2499 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
5b435de0 2500
c1179033 2501 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
5b435de0
AS		 2502 if (err) {
2503 if (err == -ENODEV)
57d6e91a 2504 brcmf_err("net_device is not ready yet\n");
5b435de0 2505 else
57d6e91a 2506 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2507 }
2508done:
d96b801f 2509 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2510 return err;
2511}
2512
27a68fe3 2513static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
d34bf64f 2514 struct brcmf_bss_info_le *bi)
5b435de0 2515{
27a68fe3 2516 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0
AS		 2517 struct ieee80211_channel *notify_channel;
2518 struct cfg80211_bss *bss;
2519 struct ieee80211_supported_band *band;
83cf17aa 2520 struct brcmu_chan ch;
5b435de0
AS		 2521 u16 channel;
2522 u32 freq;
5b435de0
AS		 2523 u16 notify_capability;
2524 u16 notify_interval;
2525 u8 *notify_ie;
2526 size_t notify_ielen;
2527 s32 notify_signal;
2528
2529 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
57d6e91a 2530 brcmf_err("Bss info is larger than buffer. Discarding\n");
5b435de0
AS		 2531 return 0;
2532 }
2533
83cf17aa
FL		 2534 if (!bi->ctl_ch) {
2535 ch.chspec = le16_to_cpu(bi->chanspec);
2536 cfg->d11inf.decchspec(&ch);
2537 bi->ctl_ch = ch.chnum;
2538 }
2539 channel = bi->ctl_ch;
5b435de0
AS		 2540
2541 if (channel <= CH_MAX_2G_CHANNEL)
2542 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2543 else
2544 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2545
2546 freq = ieee80211_channel_to_frequency(channel, band->band);
2547 notify_channel = ieee80211_get_channel(wiphy, freq);
2548
5b435de0
AS		 2549 notify_capability = le16_to_cpu(bi->capability);
2550 notify_interval = le16_to_cpu(bi->beacon_period);
2551 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2552 notify_ielen = le32_to_cpu(bi->ie_length);
2553 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2554
16886735
AS		 2555 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2556 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2557 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2558 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2559 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
5b435de0 2560
5bc8c1f2
JB		 2561 bss = cfg80211_inform_bss(wiphy, notify_channel,
2562 CFG80211_BSS_FTYPE_UNKNOWN,
2563 (const u8 *)bi->BSSID,
2564 0, notify_capability,
2565 notify_interval, notify_ie,
2566 notify_ielen, notify_signal,
2567 GFP_KERNEL);
5b435de0 2568
e78946e1
FL		 2569 if (!bss)
2570 return -ENOMEM;
2571
5b112d3d 2572 cfg80211_put_bss(wiphy, bss);
5b435de0 2573
12f32370 2574 return 0;
5b435de0
AS		 2575}
2576
6f09be0a
RV		 2577static struct brcmf_bss_info_le *
2578next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2579{
2580 if (bss == NULL)
2581 return list->bss_info_le;
2582 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2583 le32_to_cpu(bss->length));
2584}
2585
27a68fe3 2586static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 2587{
2588 struct brcmf_scan_results *bss_list;
d34bf64f 2589 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
5b435de0
AS		 2590 s32 err = 0;
2591 int i;
2592
ef8596e1 2593 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
0ecd8164
AS		 2594 if (bss_list->count != 0 &&
2595 bss_list->version != BRCMF_BSS_INFO_VERSION) {
57d6e91a
AS		 2596 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2597 bss_list->version);
5b435de0
AS		 2598 return -EOPNOTSUPP;
2599 }
4e8a008e 2600 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
f0799895 2601 for (i = 0; i < bss_list->count; i++) {
6f09be0a 2602 bi = next_bss_le(bss_list, bi);
27a68fe3 2603 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2604 if (err)
2605 break;
2606 }
2607 return err;
2608}
2609
27a68fe3 2610static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 2611 struct net_device *ndev, const u8 *bssid)
2612{
27a68fe3 2613 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0 2614 struct ieee80211_channel *notify_channel;
d34bf64f 2615 struct brcmf_bss_info_le *bi = NULL;
5b435de0 2616 struct ieee80211_supported_band *band;
e78946e1 2617 struct cfg80211_bss *bss;
83cf17aa 2618 struct brcmu_chan ch;
5b435de0
AS		 2619 u8 *buf = NULL;
2620 s32 err = 0;
5b435de0 2621 u32 freq;
5b435de0
AS		 2622 u16 notify_capability;
2623 u16 notify_interval;
2624 u8 *notify_ie;
2625 size_t notify_ielen;
2626 s32 notify_signal;
2627
d96b801f 2628 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2629
2630 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2631 if (buf == NULL) {
2632 err = -ENOMEM;
2633 goto CleanUp;
2634 }
2635
2636 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2637
ac24be6f
AS		 2638 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2639 buf, WL_BSS_INFO_MAX);
5b435de0 2640 if (err) {
57d6e91a 2641 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
5b435de0
AS		 2642 goto CleanUp;
2643 }
2644
d34bf64f 2645 bi = (struct brcmf_bss_info_le *)(buf + 4);
5b435de0 2646
83cf17aa
FL		 2647 ch.chspec = le16_to_cpu(bi->chanspec);
2648 cfg->d11inf.decchspec(&ch);
5b435de0 2649
83cf17aa 2650 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 2651 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2652 else
2653 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2654
83cf17aa 2655 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 2656 notify_channel = ieee80211_get_channel(wiphy, freq);
2657
5b435de0
AS		 2658 notify_capability = le16_to_cpu(bi->capability);
2659 notify_interval = le16_to_cpu(bi->beacon_period);
2660 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2661 notify_ielen = le32_to_cpu(bi->ie_length);
2662 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2663
83cf17aa 2664 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
16886735
AS		 2665 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2666 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2667 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
5b435de0 2668
5bc8c1f2
JB		 2669 bss = cfg80211_inform_bss(wiphy, notify_channel,
2670 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2671 notify_capability, notify_interval,
2672 notify_ie, notify_ielen, notify_signal,
2673 GFP_KERNEL);
5b435de0 2674
e78946e1
FL		 2675 if (!bss) {
2676 err = -ENOMEM;
2677 goto CleanUp;
2678 }
2679
5b112d3d 2680 cfg80211_put_bss(wiphy, bss);
e78946e1 2681
5b435de0
AS		 2682CleanUp:
2683
2684 kfree(buf);
2685
d96b801f 2686 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2687
2688 return err;
2689}
2690
89286dc9
HM		 2691static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2692 struct brcmf_if *ifp)
1a873342 2693{
89286dc9 2694 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
d34bf64f 2695 struct brcmf_bss_info_le *bi;
5b435de0 2696 struct brcmf_ssid *ssid;
4b5800fe 2697 const struct brcmf_tlv *tim;
5b435de0
AS		 2698 u16 beacon_interval;
2699 u8 dtim_period;
2700 size_t ie_len;
2701 u8 *ie;
2702 s32 err = 0;
2703
d96b801f 2704 brcmf_dbg(TRACE, "Enter\n");
128ce3b6 2705 if (brcmf_is_ibssmode(ifp->vif))
5b435de0
AS		 2706 return err;
2707
06bb123e 2708 ssid = &profile->ssid;
5b435de0 2709
27a68fe3 2710 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
ac24be6f 2711 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
81f5dcb8 2712 cfg->extra_buf, WL_EXTRA_BUF_MAX);
5b435de0 2713 if (err) {
57d6e91a 2714 brcmf_err("Could not get bss info %d\n", err);
5b435de0
AS		 2715 goto update_bss_info_out;
2716 }
2717
27a68fe3
AS		 2718 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2719 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2720 if (err)
2721 goto update_bss_info_out;
2722
2723 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2724 ie_len = le32_to_cpu(bi->ie_length);
2725 beacon_interval = le16_to_cpu(bi->beacon_period);
2726
f8e4b412 2727 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
5b435de0
AS		 2728 if (tim)
2729 dtim_period = tim->data[1];
2730 else {
2731 /*
2732 * active scan was done so we could not get dtim
2733 * information out of probe response.
2734 * so we speficially query dtim information to dongle.
2735 */
2736 u32 var;
ac24be6f 2737 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
5b435de0 2738 if (err) {
57d6e91a 2739 brcmf_err("wl dtim_assoc failed (%d)\n", err);
5b435de0
AS		 2740 goto update_bss_info_out;
2741 }
2742 dtim_period = (u8)var;
2743 }
2744
5b435de0 2745update_bss_info_out:
d96b801f 2746 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2747 return err;
2748}
2749
18e2f61d 2750void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
5b435de0 2751{
27a68fe3 2752 struct escan_info *escan = &cfg->escan_info;
5b435de0 2753
c1179033 2754 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
f0799895 2755 if (cfg->scan_request) {
108a4bee 2756 escan->escan_state = WL_ESCAN_STATE_IDLE;
a0f472ac 2757 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
5b435de0 2758 }
c1179033
AS		 2759 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2760 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
5b435de0
AS		 2761}
2762
e756af5b
HM		 2763static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2764{
27a68fe3
AS		 2765 struct brcmf_cfg80211_info *cfg =
2766 container_of(work, struct brcmf_cfg80211_info,
e756af5b
HM		 2767 escan_timeout_work);
2768
ef8596e1 2769 brcmf_inform_bss(cfg);
a0f472ac 2770 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
e756af5b
HM		 2771}
2772
2773static void brcmf_escan_timeout(unsigned long data)
2774{
27a68fe3
AS		 2775 struct brcmf_cfg80211_info *cfg =
2776 (struct brcmf_cfg80211_info *)data;
e756af5b 2777
27a68fe3 2778 if (cfg->scan_request) {
57d6e91a 2779 brcmf_err("timer expired\n");
f0799895 2780 schedule_work(&cfg->escan_timeout_work);
e756af5b
HM		 2781 }
2782}
2783
2784static s32
83cf17aa
FL		 2785brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2786 struct brcmf_bss_info_le *bss,
e756af5b
HM		 2787 struct brcmf_bss_info_le *bss_info_le)
2788{
83cf17aa
FL		 2789 struct brcmu_chan ch_bss, ch_bss_info_le;
2790
2791 ch_bss.chspec = le16_to_cpu(bss->chanspec);
2792 cfg->d11inf.decchspec(&ch_bss);
2793 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
2794 cfg->d11inf.decchspec(&ch_bss_info_le);
2795
e756af5b 2796 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
83cf17aa 2797 ch_bss.band == ch_bss_info_le.band &&
e756af5b
HM		 2798 bss_info_le->SSID_len == bss->SSID_len &&
2799 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
6f5838a4
AS		 2800 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
2801 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
029591f3
AS		 2802 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2803 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2804
e756af5b
HM		 2805 /* preserve max RSSI if the measurements are
2806 * both on-channel or both off-channel
2807 */
029591f3 2808 if (bss_info_rssi > bss_rssi)
e756af5b 2809 bss->RSSI = bss_info_le->RSSI;
6f5838a4
AS		 2810 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
2811 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
e756af5b
HM		 2812 /* preserve the on-channel rssi measurement
2813 * if the new measurement is off channel
2814 */
2815 bss->RSSI = bss_info_le->RSSI;
6f5838a4 2816 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
e756af5b
HM		 2817 }
2818 return 1;
2819 }
2820 return 0;
2821}
2822
2823static s32
1993732e 2824brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
e756af5b
HM		 2825 const struct brcmf_event_msg *e, void *data)
2826{
1993732e 2827 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e756af5b 2828 s32 status;
e756af5b
HM		 2829 struct brcmf_escan_result_le *escan_result_le;
2830 struct brcmf_bss_info_le *bss_info_le;
2831 struct brcmf_bss_info_le *bss = NULL;
2832 u32 bi_length;
2833 struct brcmf_scan_results *list;
2834 u32 i;
97ed15c7 2835 bool aborted;
e756af5b 2836
5c36b99a 2837 status = e->status;
e756af5b 2838
a0f472ac
AS		 2839 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2840 brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
e756af5b
HM		 2841 return -EPERM;
2842 }
2843
2844 if (status == BRCMF_E_STATUS_PARTIAL) {
4e8a008e 2845 brcmf_dbg(SCAN, "ESCAN Partial result\n");
e756af5b
HM		 2846 escan_result_le = (struct brcmf_escan_result_le *) data;
2847 if (!escan_result_le) {
57d6e91a 2848 brcmf_err("Invalid escan result (NULL pointer)\n");
e756af5b
HM		 2849 goto exit;
2850 }
e756af5b 2851 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
57d6e91a
AS		 2852 brcmf_err("Invalid bss_count %d: ignoring\n",
2853 escan_result_le->bss_count);
e756af5b
HM		 2854 goto exit;
2855 }
2856 bss_info_le = &escan_result_le->bss_info_le;
2857
6eda4e2c
HM		 2858 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
2859 goto exit;
2860
2861 if (!cfg->scan_request) {
2862 brcmf_dbg(SCAN, "result without cfg80211 request\n");
2863 goto exit;
2864 }
2865
e756af5b
HM		 2866 bi_length = le32_to_cpu(bss_info_le->length);
2867 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
2868 WL_ESCAN_RESULTS_FIXED_SIZE)) {
57d6e91a
AS		 2869 brcmf_err("Invalid bss_info length %d: ignoring\n",
2870 bi_length);
e756af5b
HM		 2871 goto exit;
2872 }
2873
27a68fe3 2874 if (!(cfg_to_wiphy(cfg)->interface_modes &
e756af5b
HM		 2875 BIT(NL80211_IFTYPE_ADHOC))) {
2876 if (le16_to_cpu(bss_info_le->capability) &
2877 WLAN_CAPABILITY_IBSS) {
57d6e91a 2878 brcmf_err("Ignoring IBSS result\n");
e756af5b
HM		 2879 goto exit;
2880 }
2881 }
2882
2883 list = (struct brcmf_scan_results *)
27a68fe3 2884 cfg->escan_info.escan_buf;
e756af5b 2885 if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
57d6e91a 2886 brcmf_err("Buffer is too small: ignoring\n");
e756af5b
HM		 2887 goto exit;
2888 }
2889
2890 for (i = 0; i < list->count; i++) {
2891 bss = bss ? (struct brcmf_bss_info_le *)
2892 ((unsigned char *)bss +
2893 le32_to_cpu(bss->length)) : list->bss_info_le;
83cf17aa
FL		 2894 if (brcmf_compare_update_same_bss(cfg, bss,
2895 bss_info_le))
e756af5b
HM		 2896 goto exit;
2897 }
27a68fe3 2898 memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
e756af5b
HM		 2899 bss_info_le, bi_length);
2900 list->version = le32_to_cpu(bss_info_le->version);
2901 list->buflen += bi_length;
2902 list->count++;
2903 } else {
27a68fe3 2904 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
6eda4e2c
HM		 2905 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
2906 goto exit;
27a68fe3 2907 if (cfg->scan_request) {
27a68fe3 2908 brcmf_inform_bss(cfg);
97ed15c7 2909 aborted = status != BRCMF_E_STATUS_SUCCESS;
ef8596e1 2910 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
e756af5b 2911 } else
6eda4e2c
HM		 2912 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
2913 status);
e756af5b
HM		 2914 }
2915exit:
12f32370 2916 return 0;
e756af5b
HM		 2917}
2918
27a68fe3 2919static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
e756af5b 2920{
5c36b99a
AS		 2921 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
2922 brcmf_cfg80211_escan_handler);
f0799895
HM		 2923 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2924 /* Init scan_timeout timer */
2925 init_timer(&cfg->escan_timeout);
2926 cfg->escan_timeout.data = (unsigned long) cfg;
2927 cfg->escan_timeout.function = brcmf_escan_timeout;
2928 INIT_WORK(&cfg->escan_timeout_work,
2929 brcmf_cfg80211_escan_timeout_worker);
e756af5b
HM		 2930}
2931
5addc0de 2932static __always_inline void brcmf_delay(u32 ms)
5b435de0
AS		 2933{
2934 if (ms < 1000 / HZ) {
2935 cond_resched();
2936 mdelay(ms);
2937 } else {
2938 msleep(ms);
2939 }
2940}
2941
b9a82f89
HM		 2942static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
2943 u8 *pattern, u32 patternsize, u8 *mask,
2944 u32 packet_offset)
2945{
2946 struct brcmf_fil_wowl_pattern_le *filter;
2947 u32 masksize;
2948 u32 patternoffset;
2949 u8 *buf;
2950 u32 bufsize;
2951 s32 ret;
2952
2953 masksize = (patternsize + 7) / 8;
2954 patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
2955
2956 bufsize = sizeof(*filter) + patternsize + masksize;
2957 buf = kzalloc(bufsize, GFP_KERNEL);
2958 if (!buf)
2959 return -ENOMEM;
2960 filter = (struct brcmf_fil_wowl_pattern_le *)buf;
2961
2962 memcpy(filter->cmd, cmd, 4);
2963 filter->masksize = cpu_to_le32(masksize);
2964 filter->offset = cpu_to_le32(packet_offset);
2965 filter->patternoffset = cpu_to_le32(patternoffset);
2966 filter->patternsize = cpu_to_le32(patternsize);
2967 filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
2968
2969 if ((mask) && (masksize))
2970 memcpy(buf + sizeof(*filter), mask, masksize);
2971 if ((pattern) && (patternsize))
2972 memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
2973
2974 ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
2975
2976 kfree(buf);
2977 return ret;
2978}
2979
5b435de0
AS		 2980static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2981{
4eb3af7c
HM		 2982 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2983 struct net_device *ndev = cfg_to_ndev(cfg);
2984 struct brcmf_if *ifp = netdev_priv(ndev);
2985
d96b801f 2986 brcmf_dbg(TRACE, "Enter\n");
5b435de0 2987
4eb3af7c 2988 if (cfg->wowl_enabled) {
b9a82f89 2989 brcmf_configure_arp_offload(ifp, true);
4eb3af7c
HM		 2990 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
2991 cfg->pre_wowl_pmmode);
4eb3af7c 2992 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
b9a82f89 2993 brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
4eb3af7c
HM		 2994 cfg->wowl_enabled = false;
2995 }
5b435de0
AS		 2996 return 0;
2997}
2998
4eb3af7c
HM		 2999static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
3000 struct brcmf_if *ifp,
3001 struct cfg80211_wowlan *wowl)
3002{
3003 u32 wowl_config;
b9a82f89 3004 u32 i;
4eb3af7c
HM		 3005
3006 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
3007
b9a82f89 3008 brcmf_configure_arp_offload(ifp, false);
4eb3af7c
HM		 3009 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
3010 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
3011
3012 wowl_config = 0;
3013 if (wowl->disconnect)
b9a82f89 3014 wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
4eb3af7c 3015 if (wowl->magic_pkt)
b9a82f89
HM		 3016 wowl_config |= BRCMF_WOWL_MAGIC;
3017 if ((wowl->patterns) && (wowl->n_patterns)) {
3018 wowl_config |= BRCMF_WOWL_NET;
3019 for (i = 0; i < wowl->n_patterns; i++) {
3020 brcmf_config_wowl_pattern(ifp, "add",
3021 (u8 *)wowl->patterns[i].pattern,
3022 wowl->patterns[i].pattern_len,
3023 (u8 *)wowl->patterns[i].mask,
3024 wowl->patterns[i].pkt_offset);
3025 }
3026 }
4eb3af7c
HM		 3027 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
3028 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
3029 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
3030 cfg->wowl_enabled = true;
3031}
3032
5b435de0 3033static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
4eb3af7c 3034 struct cfg80211_wowlan *wowl)
5b435de0 3035{
27a68fe3
AS		 3036 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3037 struct net_device *ndev = cfg_to_ndev(cfg);
4eb3af7c 3038 struct brcmf_if *ifp = netdev_priv(ndev);
7d641072 3039 struct brcmf_cfg80211_vif *vif;
5b435de0 3040
d96b801f 3041 brcmf_dbg(TRACE, "Enter\n");
5b435de0 3042
4eb3af7c 3043 /* if the primary net_device is not READY there is nothing
7d641072 3044 * we can do but pray resume goes smoothly.
5b435de0 3045 */
4eb3af7c 3046 if (!check_vif_up(ifp->vif))
7d641072 3047 goto exit;
5b435de0 3048
7d641072
AS		 3049 /* end any scanning */
3050 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
27a68fe3 3051 brcmf_abort_scanning(cfg);
5b435de0 3052
4eb3af7c
HM		 3053 if (wowl == NULL) {
3054 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
3055 list_for_each_entry(vif, &cfg->vif_list, list) {
3056 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
3057 continue;
3058 /* While going to suspend if associated with AP
3059 * disassociate from AP to save power while system is
3060 * in suspended state
3061 */
9b7a0ddc 3062 brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED);
4eb3af7c
HM		 3063 /* Make sure WPA_Supplicant receives all the event
3064 * generated due to DISASSOC call to the fw to keep
3065 * the state fw and WPA_Supplicant state consistent
3066 */
3067 brcmf_delay(500);
3068 }
3069 /* Configure MPC */
3070 brcmf_set_mpc(ifp, 1);
3071
3072 } else {
3073 /* Configure WOWL paramaters */
3074 brcmf_configure_wowl(cfg, ifp, wowl);
3075 }
5b435de0 3076
7d641072 3077exit:
d96b801f 3078 brcmf_dbg(TRACE, "Exit\n");
7d641072
AS		 3079 /* clear any scanning activity */
3080 cfg->scan_status = 0;
5b435de0
AS		 3081 return 0;
3082}
3083
5b435de0
AS		 3084static __used s32
3085brcmf_update_pmklist(struct net_device *ndev,
3086 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
3087{
3088 int i, j;
c15d789e 3089 u32 pmkid_len;
5b435de0 3090
40c8e95a
AS		 3091 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
3092
16886735 3093 brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
40c8e95a 3094 for (i = 0; i < pmkid_len; i++) {
16886735
AS		 3095 brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
3096 &pmk_list->pmkids.pmkid[i].BSSID);
5b435de0 3097 for (j = 0; j < WLAN_PMKID_LEN; j++)
16886735
AS		 3098 brcmf_dbg(CONN, "%02x\n",
3099 pmk_list->pmkids.pmkid[i].PMKID[j]);
5b435de0
AS		 3100 }
3101
3102 if (!err)
ac24be6f
AS		 3103 brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
3104 (char *)pmk_list, sizeof(*pmk_list));
5b435de0
AS		 3105
3106 return err;
3107}
3108
3109static s32
3110brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3111 struct cfg80211_pmksa *pmksa)
3112{
27a68fe3 3113 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 3114 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 3115 struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
5b435de0 3116 s32 err = 0;
c15d789e 3117 u32 pmkid_len, i;
5b435de0 3118
d96b801f 3119 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3120 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3121 return -EIO;
3122
40c8e95a
AS		 3123 pmkid_len = le32_to_cpu(pmkids->npmkid);
3124 for (i = 0; i < pmkid_len; i++)
5b435de0
AS		 3125 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
3126 break;
3127 if (i < WL_NUM_PMKIDS_MAX) {
3128 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
3129 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
40c8e95a
AS		 3130 if (i == pmkid_len) {
3131 pmkid_len++;
3132 pmkids->npmkid = cpu_to_le32(pmkid_len);
3133 }
5b435de0
AS		 3134 } else
3135 err = -EINVAL;
3136
16886735
AS		 3137 brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
3138 pmkids->pmkid[pmkid_len].BSSID);
5b435de0 3139 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 3140 brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
5b435de0 3141
27a68fe3 3142 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 3143
d96b801f 3144 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 3145 return err;
3146}
3147
3148static s32
3149brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3150 struct cfg80211_pmksa *pmksa)
3151{
27a68fe3 3152 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 3153 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 3154 struct pmkid_list pmkid;
3155 s32 err = 0;
c15d789e 3156 u32 pmkid_len, i;
5b435de0 3157
d96b801f 3158 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3159 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3160 return -EIO;
3161
3162 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
3163 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
3164
16886735
AS		 3165 brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
3166 &pmkid.pmkid[0].BSSID);
5b435de0 3167 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 3168 brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
5b435de0 3169
27a68fe3 3170 pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
40c8e95a 3171 for (i = 0; i < pmkid_len; i++)
5b435de0 3172 if (!memcmp
27a68fe3 3173 (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
5b435de0
AS		 3174 ETH_ALEN))
3175 break;
3176
40c8e95a
AS		 3177 if ((pmkid_len > 0)
3178 && (i < pmkid_len)) {
27a68fe3 3179 memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
5b435de0 3180 sizeof(struct pmkid));
40c8e95a 3181 for (; i < (pmkid_len - 1); i++) {
27a68fe3
AS		 3182 memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
3183 &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
5b435de0 3184 ETH_ALEN);
27a68fe3
AS		 3185 memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
3186 &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
5b435de0
AS		 3187 WLAN_PMKID_LEN);
3188 }
27a68fe3 3189 cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
5b435de0
AS		 3190 } else
3191 err = -EINVAL;
3192
27a68fe3 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
3200static s32
3201brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
3202{
27a68fe3 3203 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 3204 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 3205 s32 err = 0;
3206
d96b801f 3207 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3208 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3209 return -EIO;
3210
27a68fe3
AS		 3211 memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
3212 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 3213
d96b801f 3214 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 3215 return err;
3216
3217}
3218
e5806072
AS		 3219/*
3220 * PFN result doesn't have all the info which are
3221 * required by the supplicant
3222 * (For e.g IEs) Do a target Escan so that sched scan results are reported
3223 * via wl_inform_single_bss in the required format. Escan does require the
3224 * scan request in the form of cfg80211_scan_request. For timebeing, create
3225 * cfg80211_scan_request one out of the received PNO event.
3226 */
3227static s32
1993732e 3228brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
e5806072
AS		 3229 const struct brcmf_event_msg *e, void *data)
3230{
1993732e 3231 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e5806072
AS		 3232 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3233 struct cfg80211_scan_request *request = NULL;
3234 struct cfg80211_ssid *ssid = NULL;
3235 struct ieee80211_channel *channel = NULL;
27a68fe3 3236 struct wiphy *wiphy = cfg_to_wiphy(cfg);
e5806072
AS		 3237 int err = 0;
3238 int channel_req = 0;
3239 int band = 0;
3240 struct brcmf_pno_scanresults_le *pfn_result;
3241 u32 result_count;
3242 u32 status;
3243
4e8a008e 3244 brcmf_dbg(SCAN, "Enter\n");
e5806072 3245
5c36b99a 3246 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
4e8a008e 3247 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
e5806072
AS		 3248 return 0;
3249 }
3250
3251 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3252 result_count = le32_to_cpu(pfn_result->count);
3253 status = le32_to_cpu(pfn_result->status);
3254
3255 /*
3256 * PFN event is limited to fit 512 bytes so we may get
3257 * multiple NET_FOUND events. For now place a warning here.
3258 */
3259 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
4e8a008e 3260 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
e5806072
AS		 3261 if (result_count > 0) {
3262 int i;
3263
3264 request = kzalloc(sizeof(*request), GFP_KERNEL);
58901d18
DC		 3265 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3266 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
e5806072
AS		 3267 if (!request || !ssid || !channel) {
3268 err = -ENOMEM;
3269 goto out_err;
3270 }
3271
3272 request->wiphy = wiphy;
3273 data += sizeof(struct brcmf_pno_scanresults_le);
3274 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3275
3276 for (i = 0; i < result_count; i++) {
3277 netinfo = &netinfo_start[i];
3278 if (!netinfo) {
57d6e91a
AS		 3279 brcmf_err("Invalid netinfo ptr. index: %d\n",
3280 i);
e5806072
AS		 3281 err = -EINVAL;
3282 goto out_err;
3283 }
3284
4e8a008e
AS		 3285 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3286 netinfo->SSID, netinfo->channel);
e5806072
AS		 3287 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3288 ssid[i].ssid_len = netinfo->SSID_len;
3289 request->n_ssids++;
3290
3291 channel_req = netinfo->channel;
3292 if (channel_req <= CH_MAX_2G_CHANNEL)
3293 band = NL80211_BAND_2GHZ;
3294 else
3295 band = NL80211_BAND_5GHZ;
3296 channel[i].center_freq =
3297 ieee80211_channel_to_frequency(channel_req,
3298 band);
3299 channel[i].band = band;
3300 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3301 request->channels[i] = &channel[i];
3302 request->n_channels++;
3303 }
3304
3305 /* assign parsed ssid array */
3306 if (request->n_ssids)
3307 request->ssids = &ssid[0];
3308
c1179033 3309 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
e5806072 3310 /* Abort any on-going scan */
27a68fe3 3311 brcmf_abort_scanning(cfg);
e5806072
AS		 3312 }
3313
c1179033 3314 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2668b0b1 3315 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 3316 err = brcmf_do_escan(cfg, wiphy, ifp, request);
e5806072 3317 if (err) {
c1179033 3318 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e5806072
AS		 3319 goto out_err;
3320 }
27a68fe3
AS		 3321 cfg->sched_escan = true;
3322 cfg->scan_request = request;
e5806072 3323 } else {
57d6e91a 3324 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
e5806072
AS		 3325 goto out_err;
3326 }
3327
3328 kfree(ssid);
3329 kfree(channel);
3330 kfree(request);
3331 return 0;
3332
3333out_err:
3334 kfree(ssid);
3335 kfree(channel);
3336 kfree(request);
3337 cfg80211_sched_scan_stopped(wiphy);
3338 return err;
3339}
3340
e5806072
AS		 3341static int brcmf_dev_pno_clean(struct net_device *ndev)
3342{
e5806072
AS		 3343 int ret;
3344
3345 /* Disable pfn */
ac24be6f 3346 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
e5806072
AS		 3347 if (ret == 0) {
3348 /* clear pfn */
ac24be6f
AS		 3349 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3350 NULL, 0);
e5806072
AS		 3351 }
3352 if (ret < 0)
57d6e91a 3353 brcmf_err("failed code %d\n", ret);
e5806072
AS		 3354
3355 return ret;
3356}
3357
3358static int brcmf_dev_pno_config(struct net_device *ndev)
3359{
3360 struct brcmf_pno_param_le pfn_param;
e5806072
AS		 3361
3362 memset(&pfn_param, 0, sizeof(pfn_param));
3363 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3364
3365 /* set extra pno params */
3366 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3367 pfn_param.repeat = BRCMF_PNO_REPEAT;
3368 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3369
3370 /* set up pno scan fr */
3371 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3372
ac24be6f
AS		 3373 return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
3374 &pfn_param, sizeof(pfn_param));
e5806072
AS		 3375}
3376
3377static int
3378brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3379 struct net_device *ndev,
3380 struct cfg80211_sched_scan_request *request)
3381{
c1179033 3382 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 3383 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
e5806072
AS		 3384 struct brcmf_pno_net_param_le pfn;
3385 int i;
3386 int ret = 0;
3387
dc7bdbf1 3388 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
4e8a008e 3389 request->n_match_sets, request->n_ssids);
c1179033 3390 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 3391 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e5806072
AS		 3392 return -EAGAIN;
3393 }
1687eee2
AS		 3394 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3395 brcmf_err("Scanning suppressed: status (%lu)\n",
3396 cfg->scan_status);
3397 return -EAGAIN;
3398 }
e5806072 3399
dc7bdbf1 3400 if (!request->n_ssids || !request->n_match_sets) {
181f2d17 3401 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
dc7bdbf1 3402 request->n_ssids);
e5806072
AS		 3403 return -EINVAL;
3404 }
3405
3406 if (request->n_ssids > 0) {
3407 for (i = 0; i < request->n_ssids; i++) {
3408 /* Active scan req for ssids */
4e8a008e
AS		 3409 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3410 request->ssids[i].ssid);
e5806072
AS		 3411
3412 /*
3413 * match_set ssids is a supert set of n_ssid list,
3414 * so we need not add these set seperately.
3415 */
3416 }
3417 }
3418
3419 if (request->n_match_sets > 0) {
3420 /* clean up everything */
3421 ret = brcmf_dev_pno_clean(ndev);
3422 if (ret < 0) {
57d6e91a 3423 brcmf_err("failed error=%d\n", ret);
e5806072
AS		 3424 return ret;
3425 }
3426
3427 /* configure pno */
3428 ret = brcmf_dev_pno_config(ndev);
3429 if (ret < 0) {
57d6e91a 3430 brcmf_err("PNO setup failed!! ret=%d\n", ret);
e5806072
AS		 3431 return -EINVAL;
3432 }
3433
3434 /* configure each match set */
3435 for (i = 0; i < request->n_match_sets; i++) {
3436 struct cfg80211_ssid *ssid;
3437 u32 ssid_len;
3438
3439 ssid = &request->match_sets[i].ssid;
3440 ssid_len = ssid->ssid_len;
3441
3442 if (!ssid_len) {
57d6e91a 3443 brcmf_err("skip broadcast ssid\n");
e5806072
AS		 3444 continue;
3445 }
3446 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3447 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3448 pfn.wsec = cpu_to_le32(0);
3449 pfn.infra = cpu_to_le32(1);
3450 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3451 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3452 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
c1179033 3453 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
ac24be6f 3454 sizeof(pfn));
4e8a008e
AS		 3455 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3456 ret == 0 ? "set" : "failed", ssid->ssid);
e5806072
AS		 3457 }
3458 /* Enable the PNO */
c1179033 3459 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
57d6e91a 3460 brcmf_err("PNO enable failed!! ret=%d\n", ret);
e5806072
AS		 3461 return -EINVAL;
3462 }
3463 } else {
3464 return -EINVAL;
3465 }
3466
3467 return 0;
3468}
3469
3470static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3471 struct net_device *ndev)
3472{
27a68fe3 3473 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e5806072 3474
4e8a008e 3475 brcmf_dbg(SCAN, "enter\n");
e5806072 3476 brcmf_dev_pno_clean(ndev);
27a68fe3 3477 if (cfg->sched_escan)
a0f472ac 3478 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
e5806072
AS		 3479 return 0;
3480}
e5806072 3481
1f170110 3482static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
1a873342
HM		 3483{
3484 s32 err;
3485
3486 /* set auth */
ac24be6f 3487 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
1a873342 3488 if (err < 0) {
57d6e91a 3489 brcmf_err("auth error %d\n", err);
1a873342
HM		 3490 return err;
3491 }
3492 /* set wsec */
ac24be6f 3493 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
1a873342 3494 if (err < 0) {
57d6e91a 3495 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3496 return err;
3497 }
3498 /* set upper-layer auth */
ac24be6f 3499 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
1a873342 3500 if (err < 0) {
57d6e91a 3501 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3502 return err;
3503 }
3504
3505 return 0;
3506}
3507
3508static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3509{
3510 if (is_rsn_ie)
3511 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3512
3513 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3514}
3515
3516static s32
a44aa400 3517brcmf_configure_wpaie(struct brcmf_if *ifp,
4b5800fe
JB		 3518 const struct brcmf_vs_tlv *wpa_ie,
3519 bool is_rsn_ie)
1a873342
HM		 3520{
3521 u32 auth = 0; /* d11 open authentication */
3522 u16 count;
3523 s32 err = 0;
3524 s32 len = 0;
3525 u32 i;
3526 u32 wsec;
3527 u32 pval = 0;
3528 u32 gval = 0;
3529 u32 wpa_auth = 0;
3530 u32 offset;
3531 u8 *data;
3532 u16 rsn_cap;
3533 u32 wme_bss_disable;
3534
d96b801f 3535 brcmf_dbg(TRACE, "Enter\n");
1a873342
HM		 3536 if (wpa_ie == NULL)
3537 goto exit;
3538
3539 len = wpa_ie->len + TLV_HDR_LEN;
3540 data = (u8 *)wpa_ie;
619c5a9a 3541 offset = TLV_HDR_LEN;
1a873342
HM		 3542 if (!is_rsn_ie)
3543 offset += VS_IE_FIXED_HDR_LEN;
619c5a9a
HM		 3544 else
3545 offset += WPA_IE_VERSION_LEN;
1a873342
HM		 3546
3547 /* check for multicast cipher suite */
3548 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3549 err = -EINVAL;
57d6e91a 3550 brcmf_err("no multicast cipher suite\n");
1a873342
HM		 3551 goto exit;
3552 }
3553
3554 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3555 err = -EINVAL;
57d6e91a 3556 brcmf_err("ivalid OUI\n");
1a873342
HM		 3557 goto exit;
3558 }
3559 offset += TLV_OUI_LEN;
3560
3561 /* pick up multicast cipher */
3562 switch (data[offset]) {
3563 case WPA_CIPHER_NONE:
3564 gval = 0;
3565 break;
3566 case WPA_CIPHER_WEP_40:
3567 case WPA_CIPHER_WEP_104:
3568 gval = WEP_ENABLED;
3569 break;
3570 case WPA_CIPHER_TKIP:
3571 gval = TKIP_ENABLED;
3572 break;
3573 case WPA_CIPHER_AES_CCM:
3574 gval = AES_ENABLED;
3575 break;
3576 default:
3577 err = -EINVAL;
57d6e91a 3578 brcmf_err("Invalid multi cast cipher info\n");
1a873342
HM		 3579 goto exit;
3580 }
3581
3582 offset++;
3583 /* walk thru unicast cipher list and pick up what we recognize */
3584 count = data[offset] + (data[offset + 1] << 8);
3585 offset += WPA_IE_SUITE_COUNT_LEN;
3586 /* Check for unicast suite(s) */
3587 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3588 err = -EINVAL;
57d6e91a 3589 brcmf_err("no unicast cipher suite\n");
1a873342
HM		 3590 goto exit;
3591 }
3592 for (i = 0; i < count; i++) {
3593 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3594 err = -EINVAL;
57d6e91a 3595 brcmf_err("ivalid OUI\n");
1a873342
HM		 3596 goto exit;
3597 }
3598 offset += TLV_OUI_LEN;
3599 switch (data[offset]) {
3600 case WPA_CIPHER_NONE:
3601 break;
3602 case WPA_CIPHER_WEP_40:
3603 case WPA_CIPHER_WEP_104:
3604 pval |= WEP_ENABLED;
3605 break;
3606 case WPA_CIPHER_TKIP:
3607 pval |= TKIP_ENABLED;
3608 break;
3609 case WPA_CIPHER_AES_CCM:
3610 pval |= AES_ENABLED;
3611 break;
3612 default:
57d6e91a 3613 brcmf_err("Ivalid unicast security info\n");
1a873342
HM		 3614 }
3615 offset++;
3616 }
3617 /* walk thru auth management suite list and pick up what we recognize */
3618 count = data[offset] + (data[offset + 1] << 8);
3619 offset += WPA_IE_SUITE_COUNT_LEN;
3620 /* Check for auth key management suite(s) */
3621 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3622 err = -EINVAL;
57d6e91a 3623 brcmf_err("no auth key mgmt suite\n");
1a873342
HM		 3624 goto exit;
3625 }
3626 for (i = 0; i < count; i++) {
3627 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3628 err = -EINVAL;
57d6e91a 3629 brcmf_err("ivalid OUI\n");
1a873342
HM		 3630 goto exit;
3631 }
3632 offset += TLV_OUI_LEN;
3633 switch (data[offset]) {
3634 case RSN_AKM_NONE:
d96b801f 3635 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
1a873342
HM		 3636 wpa_auth |= WPA_AUTH_NONE;
3637 break;
3638 case RSN_AKM_UNSPECIFIED:
d96b801f 3639 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
1a873342
HM		 3640 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3641 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3642 break;
3643 case RSN_AKM_PSK:
d96b801f 3644 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
1a873342
HM		 3645 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3646 (wpa_auth |= WPA_AUTH_PSK);
3647 break;
3648 default:
57d6e91a 3649 brcmf_err("Ivalid key mgmt info\n");
1a873342
HM		 3650 }
3651 offset++;
3652 }
3653
3654 if (is_rsn_ie) {
3655 wme_bss_disable = 1;
3656 if ((offset + RSN_CAP_LEN) <= len) {
3657 rsn_cap = data[offset] + (data[offset + 1] << 8);
3658 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3659 wme_bss_disable = 0;
3660 }
3661 /* set wme_bss_disable to sync RSN Capabilities */
ac24be6f 3662 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
81f5dcb8 3663 wme_bss_disable);
1a873342 3664 if (err < 0) {
57d6e91a 3665 brcmf_err("wme_bss_disable error %d\n", err);
1a873342
HM		 3666 goto exit;
3667 }
3668 }
3669 /* FOR WPS , set SES_OW_ENABLED */
3670 wsec = (pval | gval | SES_OW_ENABLED);
3671
3672 /* set auth */
ac24be6f 3673 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
1a873342 3674 if (err < 0) {
57d6e91a 3675 brcmf_err("auth error %d\n", err);
1a873342
HM		 3676 goto exit;
3677 }
3678 /* set wsec */
ac24be6f 3679 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
1a873342 3680 if (err < 0) {
57d6e91a 3681 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3682 goto exit;
3683 }
3684 /* set upper-layer auth */
ac24be6f 3685 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
1a873342 3686 if (err < 0) {
57d6e91a 3687 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3688 goto exit;
3689 }
3690
3691exit:
3692 return err;
3693}
3694
3695static s32
3082b9be 3696brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
1a873342
HM		 3697 struct parsed_vndr_ies *vndr_ies)
3698{
1a873342
HM		 3699 struct brcmf_vs_tlv *vndrie;
3700 struct brcmf_tlv *ie;
3701 struct parsed_vndr_ie_info *parsed_info;
3702 s32 remaining_len;
3703
3704 remaining_len = (s32)vndr_ie_len;
3705 memset(vndr_ies, 0, sizeof(*vndr_ies));
3706
3707 ie = (struct brcmf_tlv *)vndr_ie_buf;
3708 while (ie) {
3709 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
3710 goto next;
3711 vndrie = (struct brcmf_vs_tlv *)ie;
3712 /* len should be bigger than OUI length + one */
3713 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
57d6e91a
AS		 3714 brcmf_err("invalid vndr ie. length is too small %d\n",
3715 vndrie->len);
1a873342
HM		 3716 goto next;
3717 }
3718 /* if wpa or wme ie, do not add ie */
3719 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
3720 ((vndrie->oui_type == WPA_OUI_TYPE) ||
3721 (vndrie->oui_type == WME_OUI_TYPE))) {
d96b801f 3722 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
1a873342
HM		 3723 goto next;
3724 }
3725
3726 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
3727
3728 /* save vndr ie information */
3729 parsed_info->ie_ptr = (char *)vndrie;
3730 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
3731 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
3732
3733 vndr_ies->count++;
3734
d96b801f
AS		 3735 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
3736 parsed_info->vndrie.oui[0],
3737 parsed_info->vndrie.oui[1],
3738 parsed_info->vndrie.oui[2],
3739 parsed_info->vndrie.oui_type);
1a873342 3740
9f440b7b 3741 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
1a873342
HM		 3742 break;
3743next:
b41fc3d7
HM		 3744 remaining_len -= (ie->len + TLV_HDR_LEN);
3745 if (remaining_len <= TLV_HDR_LEN)
1a873342
HM		 3746 ie = NULL;
3747 else
b41fc3d7
HM		 3748 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
3749 TLV_HDR_LEN);
1a873342 3750 }
12f32370 3751 return 0;
1a873342
HM		 3752}
3753
3754static u32
3755brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
3756{
3757
1a873342
HM		 3758 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
3759 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
3760
362126cd 3761 put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]);
1a873342 3762
362126cd 3763 put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]);
1a873342
HM		 3764
3765 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
3766
3767 return ie_len + VNDR_IE_HDR_SIZE;
3768}
3769
1332e26e
AS		 3770s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
3771 const u8 *vndr_ie_buf, u32 vndr_ie_len)
1a873342 3772{
1332e26e
AS		 3773 struct brcmf_if *ifp;
3774 struct vif_saved_ie *saved_ie;
1a873342
HM		 3775 s32 err = 0;
3776 u8 *iovar_ie_buf;
3777 u8 *curr_ie_buf;
3778 u8 *mgmt_ie_buf = NULL;
3e4f319d 3779 int mgmt_ie_buf_len;
81118d16 3780 u32 *mgmt_ie_len;
1a873342
HM		 3781 u32 del_add_ie_buf_len = 0;
3782 u32 total_ie_buf_len = 0;
3783 u32 parsed_ie_buf_len = 0;
3784 struct parsed_vndr_ies old_vndr_ies;
3785 struct parsed_vndr_ies new_vndr_ies;
3786 struct parsed_vndr_ie_info *vndrie_info;
3787 s32 i;
3788 u8 *ptr;
3e4f319d 3789 int remained_buf_len;
1a873342 3790
1332e26e
AS		 3791 if (!vif)
3792 return -ENODEV;
3793 ifp = vif->ifp;
3794 saved_ie = &vif->saved_ie;
3795
d96b801f 3796 brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
1a873342
HM		 3797 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3798 if (!iovar_ie_buf)
3799 return -ENOMEM;
3800 curr_ie_buf = iovar_ie_buf;
89286dc9
HM		 3801 switch (pktflag) {
3802 case BRCMF_VNDR_IE_PRBREQ_FLAG:
3803 mgmt_ie_buf = saved_ie->probe_req_ie;
3804 mgmt_ie_len = &saved_ie->probe_req_ie_len;
3805 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
3806 break;
3807 case BRCMF_VNDR_IE_PRBRSP_FLAG:
3808 mgmt_ie_buf = saved_ie->probe_res_ie;
3809 mgmt_ie_len = &saved_ie->probe_res_ie_len;
3810 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
3811 break;
3812 case BRCMF_VNDR_IE_BEACON_FLAG:
3813 mgmt_ie_buf = saved_ie->beacon_ie;
3814 mgmt_ie_len = &saved_ie->beacon_ie_len;
3815 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
3816 break;
3817 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
3818 mgmt_ie_buf = saved_ie->assoc_req_ie;
3819 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
3820 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
3821 break;
3822 default:
3823 err = -EPERM;
3824 brcmf_err("not suitable type\n");
3825 goto exit;
1a873342
HM		 3826 }
3827
3828 if (vndr_ie_len > mgmt_ie_buf_len) {
3829 err = -ENOMEM;
57d6e91a 3830 brcmf_err("extra IE size too big\n");
1a873342
HM		 3831 goto exit;
3832 }
3833
3834 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
3835 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
3836 ptr = curr_ie_buf;
3837 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
3838 for (i = 0; i < new_vndr_ies.count; i++) {
3839 vndrie_info = &new_vndr_ies.ie_info[i];
3840 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
3841 vndrie_info->ie_len);
3842 parsed_ie_buf_len += vndrie_info->ie_len;
3843 }
3844 }
3845
b41fc3d7 3846 if (mgmt_ie_buf && *mgmt_ie_len) {
1a873342
HM		 3847 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
3848 (memcmp(mgmt_ie_buf, curr_ie_buf,
3849 parsed_ie_buf_len) == 0)) {
d96b801f 3850 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
1a873342
HM		 3851 goto exit;
3852 }
3853
3854 /* parse old vndr_ie */
3855 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
3856
3857 /* make a command to delete old ie */
3858 for (i = 0; i < old_vndr_ies.count; i++) {
3859 vndrie_info = &old_vndr_ies.ie_info[i];
3860
d96b801f
AS		 3861 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
3862 vndrie_info->vndrie.id,
3863 vndrie_info->vndrie.len,
3864 vndrie_info->vndrie.oui[0],
3865 vndrie_info->vndrie.oui[1],
3866 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3867
3868 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3869 vndrie_info->ie_ptr,
3870 vndrie_info->ie_len,
3871 "del");
3872 curr_ie_buf += del_add_ie_buf_len;
3873 total_ie_buf_len += del_add_ie_buf_len;
3874 }
3875 }
3876
3877 *mgmt_ie_len = 0;
3878 /* Add if there is any extra IE */
3879 if (mgmt_ie_buf && parsed_ie_buf_len) {
3880 ptr = mgmt_ie_buf;
3881
3882 remained_buf_len = mgmt_ie_buf_len;
3883
3884 /* make a command to add new ie */
3885 for (i = 0; i < new_vndr_ies.count; i++) {
3886 vndrie_info = &new_vndr_ies.ie_info[i];
3887
b41fc3d7
HM		 3888 /* verify remained buf size before copy data */
3889 if (remained_buf_len < (vndrie_info->vndrie.len +
3890 VNDR_IE_VSIE_OFFSET)) {
57d6e91a
AS		 3891 brcmf_err("no space in mgmt_ie_buf: len left %d",
3892 remained_buf_len);
b41fc3d7
HM		 3893 break;
3894 }
3895 remained_buf_len -= (vndrie_info->ie_len +
3896 VNDR_IE_VSIE_OFFSET);
3897
d96b801f
AS		 3898 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
3899 vndrie_info->vndrie.id,
3900 vndrie_info->vndrie.len,
3901 vndrie_info->vndrie.oui[0],
3902 vndrie_info->vndrie.oui[1],
3903 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3904
3905 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3906 vndrie_info->ie_ptr,
3907 vndrie_info->ie_len,
3908 "add");
1a873342
HM		 3909
3910 /* save the parsed IE in wl struct */
3911 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
3912 vndrie_info->ie_len);
3913 *mgmt_ie_len += vndrie_info->ie_len;
3914
3915 curr_ie_buf += del_add_ie_buf_len;
3916 total_ie_buf_len += del_add_ie_buf_len;
3917 }
3918 }
3919 if (total_ie_buf_len) {
c1179033 3920 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
81f5dcb8 3921 total_ie_buf_len);
1a873342 3922 if (err)
57d6e91a 3923 brcmf_err("vndr ie set error : %d\n", err);
1a873342
HM		 3924 }
3925
3926exit:
3927 kfree(iovar_ie_buf);
3928 return err;
3929}
3930
5f4f9f11
AS		 3931s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
3932{
3933 s32 pktflags[] = {
3934 BRCMF_VNDR_IE_PRBREQ_FLAG,
3935 BRCMF_VNDR_IE_PRBRSP_FLAG,
3936 BRCMF_VNDR_IE_BEACON_FLAG
3937 };
3938 int i;
3939
3940 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
3941 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
3942
3943 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
3944 return 0;
3945}
3946
a0f07959
HM		 3947static s32
3948brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
3949 struct cfg80211_beacon_data *beacon)
3950{
3951 s32 err;
3952
3953 /* Set Beacon IEs to FW */
3954 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
3955 beacon->tail, beacon->tail_len);
3956 if (err) {
3957 brcmf_err("Set Beacon IE Failed\n");
3958 return err;
3959 }
3960 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
3961
3962 /* Set Probe Response IEs to FW */
3963 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
3964 beacon->proberesp_ies,
3965 beacon->proberesp_ies_len);
3966 if (err)
3967 brcmf_err("Set Probe Resp IE Failed\n");
3968 else
3969 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
3970
3971 return err;
3972}
3973
1a873342
HM		 3974static s32
3975brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
3976 struct cfg80211_ap_settings *settings)
3977{
3978 s32 ie_offset;
1c9d30cf 3979 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
ac24be6f 3980 struct brcmf_if *ifp = netdev_priv(ndev);
4b5800fe 3981 const struct brcmf_tlv *ssid_ie;
98027769 3982 const struct brcmf_tlv *country_ie;
1a873342 3983 struct brcmf_ssid_le ssid_le;
1a873342 3984 s32 err = -EPERM;
4b5800fe
JB		 3985 const struct brcmf_tlv *rsn_ie;
3986 const struct brcmf_vs_tlv *wpa_ie;
1a873342 3987 struct brcmf_join_params join_params;
a0f07959
HM		 3988 enum nl80211_iftype dev_role;
3989 struct brcmf_fil_bss_enable_le bss_enable;
06c01585 3990 u16 chanspec;
a44aa400 3991 bool mbss;
98027769 3992 int is_11d;
1a873342 3993
06c01585
AS		 3994 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
3995 settings->chandef.chan->hw_value,
3996 settings->chandef.center_freq1, settings->chandef.width,
a9a56878 3997 settings->beacon_interval, settings->dtim_period);
d96b801f
AS		 3998 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
3999 settings->ssid, settings->ssid_len, settings->auth_type,
4000 settings->inactivity_timeout);
426d0a56 4001 dev_role = ifp->vif->wdev.iftype;
a44aa400 4002 mbss = ifp->vif->mbss;
1a873342 4003
98027769
AS		 4004 /* store current 11d setting */
4005 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d);
4006 country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4007 settings->beacon.tail_len,
4008 WLAN_EID_COUNTRY);
4009 is_11d = country_ie ? 1 : 0;
4010
1a873342
HM		 4011 memset(&ssid_le, 0, sizeof(ssid_le));
4012 if (settings->ssid == NULL || settings->ssid_len == 0) {
4013 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
4014 ssid_ie = brcmf_parse_tlvs(
4015 (u8 *)&settings->beacon.head[ie_offset],
4016 settings->beacon.head_len - ie_offset,
4017 WLAN_EID_SSID);
4018 if (!ssid_ie)
4019 return -EINVAL;
4020
4021 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
4022 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
d96b801f 4023 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
1a873342
HM		 4024 } else {
4025 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
4026 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
4027 }
4028
a44aa400
HM		 4029 if (!mbss) {
4030 brcmf_set_mpc(ifp, 0);
4031 brcmf_configure_arp_offload(ifp, false);
4032 }
1a873342
HM		 4033
4034 /* find the RSN_IE */
4035 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4036 settings->beacon.tail_len, WLAN_EID_RSN);
4037
4038 /* find the WPA_IE */
4039 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
4040 settings->beacon.tail_len);
4041
1a873342 4042 if ((wpa_ie != NULL || rsn_ie != NULL)) {
d96b801f 4043 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
1a873342
HM		 4044 if (wpa_ie != NULL) {
4045 /* WPA IE */
a44aa400 4046 err = brcmf_configure_wpaie(ifp, wpa_ie, false);
1a873342
HM		 4047 if (err < 0)
4048 goto exit;
1a873342 4049 } else {
a44aa400
HM		 4050 struct brcmf_vs_tlv *tmp_ie;
4051
4052 tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
4053
1a873342 4054 /* RSN IE */
a44aa400 4055 err = brcmf_configure_wpaie(ifp, tmp_ie, true);
1a873342
HM		 4056 if (err < 0)
4057 goto exit;
1a873342 4058 }
1a873342 4059 } else {
d96b801f 4060 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
1f170110 4061 brcmf_configure_opensecurity(ifp);
1a873342 4062 }
1a873342 4063
a0f07959 4064 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
1a873342 4065
a44aa400
HM		 4066 if (!mbss) {
4067 chanspec = chandef_to_chanspec(&cfg->d11inf,
4068 &settings->chandef);
4069 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
1a873342 4070 if (err < 0) {
a44aa400
HM		 4071 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4072 chanspec, err);
1a873342
HM		 4073 goto exit;
4074 }
a44aa400 4075
98027769
AS		 4076 if (is_11d != ifp->vif->is_11d) {
4077 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4078 is_11d);
4079 if (err < 0) {
4080 brcmf_err("Regulatory Set Error, %d\n", err);
4081 goto exit;
4082 }
4083 }
a44aa400
HM		 4084 if (settings->beacon_interval) {
4085 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
4086 settings->beacon_interval);
4087 if (err < 0) {
4088 brcmf_err("Beacon Interval Set Error, %d\n",
4089 err);
4090 goto exit;
4091 }
4092 }
4093 if (settings->dtim_period) {
4094 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
4095 settings->dtim_period);
4096 if (err < 0) {
4097 brcmf_err("DTIM Interval Set Error, %d\n", err);
4098 goto exit;
4099 }
1a873342 4100 }
a0f07959 4101
a44aa400
HM		 4102 if (dev_role == NL80211_IFTYPE_AP) {
4103 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4104 if (err < 0) {
4105 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4106 goto exit;
4107 }
4108 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
4109 }
4110
4111 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
a0f07959 4112 if (err < 0) {
a44aa400 4113 brcmf_err("SET INFRA error %d\n", err);
a0f07959
HM		 4114 goto exit;
4115 }
98027769
AS		 4116 } else if (WARN_ON(is_11d != ifp->vif->is_11d)) {
4117 /* Multiple-BSS should use same 11d configuration */
4118 err = -EINVAL;
4119 goto exit;
1a873342 4120 }
a0f07959 4121 if (dev_role == NL80211_IFTYPE_AP) {
a44aa400
HM		 4122 if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
4123 brcmf_fil_iovar_int_set(ifp, "mbss", 1);
4124
a0f07959
HM		 4125 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
4126 if (err < 0) {
4127 brcmf_err("setting AP mode failed %d\n", err);
4128 goto exit;
4129 }
4130 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4131 if (err < 0) {
4132 brcmf_err("BRCMF_C_UP error (%d)\n", err);
4133 goto exit;
4134 }
118eb304
HM		 4135 /* On DOWN the firmware removes the WEP keys, reconfigure
4136 * them if they were set.
4137 */
4138 brcmf_cfg80211_reconfigure_wep(ifp);
a0f07959
HM		 4139
4140 memset(&join_params, 0, sizeof(join_params));
4141 /* join parameters starts with ssid */
4142 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
4143 /* create softap */
4144 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4145 &join_params, sizeof(join_params));
4146 if (err < 0) {
4147 brcmf_err("SET SSID error (%d)\n", err);
4148 goto exit;
4149 }
4150 brcmf_dbg(TRACE, "AP mode configuration complete\n");
4151 } else {
4152 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
4153 sizeof(ssid_le));
4154 if (err < 0) {
4155 brcmf_err("setting ssid failed %d\n", err);
4156 goto exit;
4157 }
4158 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
4159 bss_enable.enable = cpu_to_le32(1);
4160 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4161 sizeof(bss_enable));
4162 if (err < 0) {
4163 brcmf_err("bss_enable config failed %d\n", err);
4164 goto exit;
4165 }
4166
4167 brcmf_dbg(TRACE, "GO mode configuration complete\n");
4168 }
c1179033
AS		 4169 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
4170 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
1a873342
HM		 4171
4172exit:
a44aa400 4173 if ((err) && (!mbss)) {
f96aa07e 4174 brcmf_set_mpc(ifp, 1);
b3657453
HM		 4175 brcmf_configure_arp_offload(ifp, true);
4176 }
1a873342
HM		 4177 return err;
4178}
4179
4180static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
4181{
c1179033 4182 struct brcmf_if *ifp = netdev_priv(ndev);
5c33a942 4183 s32 err;
426d0a56 4184 struct brcmf_fil_bss_enable_le bss_enable;
5c33a942 4185 struct brcmf_join_params join_params;
1a873342 4186
d96b801f 4187 brcmf_dbg(TRACE, "Enter\n");
1a873342 4188
426d0a56 4189 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
1a873342
HM		 4190 /* Due to most likely deauths outstanding we sleep */
4191 /* first to make sure they get processed by fw. */
4192 msleep(400);
5c33a942 4193
a44aa400
HM		 4194 if (ifp->vif->mbss) {
4195 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4196 return err;
4197 }
4198
5c33a942
HM		 4199 memset(&join_params, 0, sizeof(join_params));
4200 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4201 &join_params, sizeof(join_params));
4202 if (err < 0)
4203 brcmf_err("SET SSID error (%d)\n", err);
a44aa400 4204 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
5c33a942 4205 if (err < 0)
a44aa400 4206 brcmf_err("BRCMF_C_DOWN error %d\n", err);
5c33a942
HM		 4207 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
4208 if (err < 0)
4209 brcmf_err("setting AP mode failed %d\n", err);
4210 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
4211 if (err < 0)
4212 brcmf_err("setting INFRA mode failed %d\n", err);
a44aa400
HM		 4213 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
4214 brcmf_fil_iovar_int_set(ifp, "mbss", 0);
98027769
AS		 4215 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4216 ifp->vif->is_11d);
4217 if (err < 0)
4218 brcmf_err("restoring REGULATORY setting failed %d\n",
4219 err);
a44aa400
HM		 4220 /* Bring device back up so it can be used again */
4221 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4222 if (err < 0)
4223 brcmf_err("BRCMF_C_UP error %d\n", err);
426d0a56
HM		 4224 } else {
4225 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
4226 bss_enable.enable = cpu_to_le32(0);
4227 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4228 sizeof(bss_enable));
4229 if (err < 0)
4230 brcmf_err("bss_enable config failed %d\n", err);
1a873342 4231 }
f96aa07e 4232 brcmf_set_mpc(ifp, 1);
b3657453 4233 brcmf_configure_arp_offload(ifp, true);
426d0a56
HM		 4234 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
4235 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
4236
1a873342
HM		 4237 return err;
4238}
4239
a0f07959
HM		 4240static s32
4241brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
4242 struct cfg80211_beacon_data *info)
4243{
a0f07959
HM		 4244 struct brcmf_if *ifp = netdev_priv(ndev);
4245 s32 err;
4246
4247 brcmf_dbg(TRACE, "Enter\n");
4248
a0f07959
HM		 4249 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
4250
4251 return err;
4252}
4253
1a873342
HM		 4254static int
4255brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
89c771e5 4256 struct station_del_parameters *params)
1a873342 4257{
a0f07959 4258 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1a873342 4259 struct brcmf_scb_val_le scbval;
0abb5f21 4260 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 4261 s32 err;
4262
89c771e5 4263 if (!params->mac)
1a873342
HM		 4264 return -EFAULT;
4265
89c771e5 4266 brcmf_dbg(TRACE, "Enter %pM\n", params->mac);
1a873342 4267
a0f07959
HM		 4268 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4269 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
ce81e317 4270 if (!check_vif_up(ifp->vif))
1a873342
HM		 4271 return -EIO;
4272
89c771e5 4273 memcpy(&scbval.ea, params->mac, ETH_ALEN);
1a873342 4274 scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
0abb5f21 4275 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
81f5dcb8 4276 &scbval, sizeof(scbval));
1a873342 4277 if (err)
57d6e91a 4278 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
7ab6acd0 4279
d96b801f 4280 brcmf_dbg(TRACE, "Exit\n");
1a873342
HM		 4281 return err;
4282}
4283
6b89dcb3
HM		 4284static int
4285brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev,
4286 const u8 *mac, struct station_parameters *params)
4287{
4288 struct brcmf_if *ifp = netdev_priv(ndev);
4289 s32 err;
4290
4291 brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac,
4292 params->sta_flags_mask, params->sta_flags_set);
4293
4294 /* Ignore all 00 MAC */
4295 if (is_zero_ether_addr(mac))
4296 return 0;
4297
4298 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4299 return 0;
4300
4301 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4302 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE,
4303 (void *)mac, ETH_ALEN);
4304 else
4305 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE,
4306 (void *)mac, ETH_ALEN);
4307 if (err < 0)
4308 brcmf_err("Setting SCB (de-)authorize failed, %d\n", err);
4309
4310 return err;
4311}
0de8aace
HM		 4312
4313static void
4314brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4315 struct wireless_dev *wdev,
4316 u16 frame_type, bool reg)
4317{
7fa2e352 4318 struct brcmf_cfg80211_vif *vif;
0de8aace
HM		 4319 u16 mgmt_type;
4320
4321 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4322
4323 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
7fa2e352 4324 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
0de8aace
HM		 4325 if (reg)
4326 vif->mgmt_rx_reg |= BIT(mgmt_type);
4327 else
318a64ce 4328 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
0de8aace
HM		 4329}
4330
4331
4332static int
4333brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 4334 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
0de8aace
HM		 4335{
4336 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
b176e629
AO		 4337 struct ieee80211_channel *chan = params->chan;
4338 const u8 *buf = params->buf;
4339 size_t len = params->len;
0de8aace
HM		 4340 const struct ieee80211_mgmt *mgmt;
4341 struct brcmf_cfg80211_vif *vif;
4342 s32 err = 0;
4343 s32 ie_offset;
4344 s32 ie_len;
18e2f61d
HM		 4345 struct brcmf_fil_action_frame_le *action_frame;
4346 struct brcmf_fil_af_params_le *af_params;
4347 bool ack;
4348 s32 chan_nr;
c2ff8cad 4349 u32 freq;
0de8aace
HM		 4350
4351 brcmf_dbg(TRACE, "Enter\n");
4352
4353 *cookie = 0;
4354
4355 mgmt = (const struct ieee80211_mgmt *)buf;
4356
a0f07959
HM		 4357 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4358 brcmf_err("Driver only allows MGMT packet type\n");
4359 return -EPERM;
4360 }
0de8aace 4361
c2ff8cad
AQ		 4362 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4363
a0f07959
HM		 4364 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4365 /* Right now the only reason to get a probe response */
4366 /* is for p2p listen response or for p2p GO from */
4367 /* wpa_supplicant. Unfortunately the probe is send */
4368 /* on primary ndev, while dongle wants it on the p2p */
4369 /* vif. Since this is only reason for a probe */
4370 /* response to be sent, the vif is taken from cfg. */
4371 /* If ever desired to send proberesp for non p2p */
4372 /* response then data should be checked for */
4373 /* "DIRECT-". Note in future supplicant will take */
4374 /* dedicated p2p wdev to do this and then this 'hack'*/
4375 /* is not needed anymore. */
4376 ie_offset = DOT11_MGMT_HDR_LEN +
4377 DOT11_BCN_PRB_FIXED_LEN;
4378 ie_len = len - ie_offset;
a0f07959 4379 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
0de8aace 4380 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
a0f07959
HM		 4381 err = brcmf_vif_set_mgmt_ie(vif,
4382 BRCMF_VNDR_IE_PRBRSP_FLAG,
4383 &buf[ie_offset],
4384 ie_len);
4385 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4386 GFP_KERNEL);
18e2f61d
HM		 4387 } else if (ieee80211_is_action(mgmt->frame_control)) {
4388 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4389 if (af_params == NULL) {
4390 brcmf_err("unable to allocate frame\n");
4391 err = -ENOMEM;
4392 goto exit;
4393 }
4394 action_frame = &af_params->action_frame;
4395 /* Add the packet Id */
4396 action_frame->packet_id = cpu_to_le32(*cookie);
4397 /* Add BSSID */
4398 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4399 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4400 /* Add the length exepted for 802.11 header */
4401 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
c2ff8cad
AQ		 4402 /* Add the channel. Use the one specified as parameter if any or
4403 * the current one (got from the firmware) otherwise
4404 */
4405 if (chan)
4406 freq = chan->center_freq;
4407 else
4408 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4409 &freq);
4410 chan_nr = ieee80211_frequency_to_channel(freq);
18e2f61d
HM		 4411 af_params->channel = cpu_to_le32(chan_nr);
4412
4413 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4414 le16_to_cpu(action_frame->len));
4415
4416 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
86a9c4a2 4417 *cookie, le16_to_cpu(action_frame->len), freq);
18e2f61d 4418
7fa2e352 4419 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
18e2f61d
HM		 4420 af_params);
4421
4422 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4423 GFP_KERNEL);
4424 kfree(af_params);
a0f07959
HM		 4425 } else {
4426 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4427 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
0de8aace 4428 }
a0f07959 4429
18e2f61d 4430exit:
0de8aace
HM		 4431 return err;
4432}
4433
4434
4435static int
4436brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4437 struct wireless_dev *wdev,
4438 u64 cookie)
4439{
4440 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4441 struct brcmf_cfg80211_vif *vif;
4442 int err = 0;
4443
4444 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4445
4446 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4447 if (vif == NULL) {
4448 brcmf_err("No p2p device available for probe response\n");
4449 err = -ENODEV;
4450 goto exit;
4451 }
4452 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4453exit:
4454 return err;
4455}
4456
61730d4d
PH		 4457static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4458 struct wireless_dev *wdev,
4459 enum nl80211_crit_proto_id proto,
4460 u16 duration)
4461{
4462 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4463 struct brcmf_cfg80211_vif *vif;
4464
4465 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4466
4467 /* only DHCP support for now */
4468 if (proto != NL80211_CRIT_PROTO_DHCP)
4469 return -EINVAL;
4470
4471 /* suppress and abort scanning */
4472 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4473 brcmf_abort_scanning(cfg);
4474
4475 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4476}
4477
4478static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4479 struct wireless_dev *wdev)
4480{
4481 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4482 struct brcmf_cfg80211_vif *vif;
4483
4484 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4485
4486 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4487 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4488}
4489
70b7d94b
HM		 4490static s32
4491brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4492 const struct brcmf_event_msg *e, void *data)
4493{
4494 switch (e->reason) {
4495 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
4496 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
4497 break;
4498 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
4499 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
4500 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4501 break;
4502 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
4503 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
4504 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4505 break;
4506 }
4507
4508 return 0;
4509}
4510
89c2f382
AS		 4511static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4512{
4513 int ret;
4514
4515 switch (oper) {
4516 case NL80211_TDLS_DISCOVERY_REQ:
4517 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4518 break;
4519 case NL80211_TDLS_SETUP:
4520 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4521 break;
4522 case NL80211_TDLS_TEARDOWN:
4523 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4524 break;
4525 default:
4526 brcmf_err("unsupported operation: %d\n", oper);
4527 ret = -EOPNOTSUPP;
4528 }
4529 return ret;
4530}
4531
4532static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
3b3a0162 4533 struct net_device *ndev, const u8 *peer,
89c2f382
AS		 4534 enum nl80211_tdls_operation oper)
4535{
4536 struct brcmf_if *ifp;
4537 struct brcmf_tdls_iovar_le info;
4538 int ret = 0;
4539
4540 ret = brcmf_convert_nl80211_tdls_oper(oper);
4541 if (ret < 0)
4542 return ret;
4543
4544 ifp = netdev_priv(ndev);
4545 memset(&info, 0, sizeof(info));
4546 info.mode = (u8)ret;
4547 if (peer)
4548 memcpy(info.ea, peer, ETH_ALEN);
4549
4550 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
4551 &info, sizeof(info));
4552 if (ret < 0)
4553 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
4554
4555 return ret;
4556}
4557
5b435de0 4558static struct cfg80211_ops wl_cfg80211_ops = {
9f440b7b
AS		 4559 .add_virtual_intf = brcmf_cfg80211_add_iface,
4560 .del_virtual_intf = brcmf_cfg80211_del_iface,
5b435de0
AS		 4561 .change_virtual_intf = brcmf_cfg80211_change_iface,
4562 .scan = brcmf_cfg80211_scan,
4563 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
4564 .join_ibss = brcmf_cfg80211_join_ibss,
4565 .leave_ibss = brcmf_cfg80211_leave_ibss,
4566 .get_station = brcmf_cfg80211_get_station,
4567 .set_tx_power = brcmf_cfg80211_set_tx_power,
4568 .get_tx_power = brcmf_cfg80211_get_tx_power,
4569 .add_key = brcmf_cfg80211_add_key,
4570 .del_key = brcmf_cfg80211_del_key,
4571 .get_key = brcmf_cfg80211_get_key,
4572 .set_default_key = brcmf_cfg80211_config_default_key,
4573 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
4574 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
5b435de0
AS		 4575 .connect = brcmf_cfg80211_connect,
4576 .disconnect = brcmf_cfg80211_disconnect,
4577 .suspend = brcmf_cfg80211_suspend,
4578 .resume = brcmf_cfg80211_resume,
4579 .set_pmksa = brcmf_cfg80211_set_pmksa,
4580 .del_pmksa = brcmf_cfg80211_del_pmksa,
cbaa177d 4581 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
1a873342
HM		 4582 .start_ap = brcmf_cfg80211_start_ap,
4583 .stop_ap = brcmf_cfg80211_stop_ap,
a0f07959 4584 .change_beacon = brcmf_cfg80211_change_beacon,
1a873342 4585 .del_station = brcmf_cfg80211_del_station,
6b89dcb3 4586 .change_station = brcmf_cfg80211_change_station,
e5806072
AS		 4587 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
4588 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
0de8aace
HM		 4589 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
4590 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
4591 .remain_on_channel = brcmf_p2p_remain_on_channel,
4592 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
27f10e38
AS		 4593 .start_p2p_device = brcmf_p2p_start_device,
4594 .stop_p2p_device = brcmf_p2p_stop_device,
61730d4d
PH		 4595 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
4596 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
89c2f382 4597 .tdls_oper = brcmf_cfg80211_tdls_oper,
5b435de0
AS		 4598};
4599
3eacf866 4600struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
9f440b7b
AS		 4601 enum nl80211_iftype type,
4602 bool pm_block)
3eacf866 4603{
a44aa400 4604 struct brcmf_cfg80211_vif *vif_walk;
3eacf866 4605 struct brcmf_cfg80211_vif *vif;
a44aa400 4606 bool mbss;
5b435de0 4607
33a6b157 4608 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
9f440b7b 4609 sizeof(*vif));
3eacf866
AS		 4610 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
4611 if (!vif)
4612 return ERR_PTR(-ENOMEM);
4613
4614 vif->wdev.wiphy = cfg->wiphy;
9f440b7b 4615 vif->wdev.iftype = type;
5b435de0 4616
3eacf866
AS		 4617 vif->pm_block = pm_block;
4618 vif->roam_off = -1;
4619
6ac4f4ed
AS		 4620 brcmf_init_prof(&vif->profile);
4621
a44aa400
HM		 4622 if (type == NL80211_IFTYPE_AP) {
4623 mbss = false;
4624 list_for_each_entry(vif_walk, &cfg->vif_list, list) {
4625 if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) {
4626 mbss = true;
4627 break;
4628 }
4629 }
4630 vif->mbss = mbss;
4631 }
4632
3eacf866 4633 list_add_tail(&vif->list, &cfg->vif_list);
3eacf866 4634 return vif;
5b435de0
AS		 4635}
4636
427dec5f 4637void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5b435de0 4638{
3eacf866 4639 list_del(&vif->list);
3eacf866 4640 kfree(vif);
5b435de0
AS		 4641}
4642
9df4d542
AS		 4643void brcmf_cfg80211_free_netdev(struct net_device *ndev)
4644{
4645 struct brcmf_cfg80211_vif *vif;
4646 struct brcmf_if *ifp;
4647
4648 ifp = netdev_priv(ndev);
4649 vif = ifp->vif;
4650
4651 brcmf_free_vif(vif);
4652 free_netdev(ndev);
4653}
4654
903e0eee 4655static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
5b435de0 4656{
5c36b99a
AS		 4657 u32 event = e->event_code;
4658 u32 status = e->status;
5b435de0
AS		 4659
4660 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
16886735 4661 brcmf_dbg(CONN, "Processing set ssid\n");
5b435de0
AS		 4662 return true;
4663 }
4664
4665 return false;
4666}
4667
903e0eee 4668static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
5b435de0 4669{
5c36b99a
AS		 4670 u32 event = e->event_code;
4671 u16 flags = e->flags;
5b435de0 4672
68ca395f
HM		 4673 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
4674 (event == BRCMF_E_DISASSOC_IND) ||
4675 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
16886735 4676 brcmf_dbg(CONN, "Processing link down\n");
5b435de0
AS		 4677 return true;
4678 }
4679 return false;
4680}
4681
27a68fe3 4682static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4683 const struct brcmf_event_msg *e)
4684{
5c36b99a
AS		 4685 u32 event = e->event_code;
4686 u32 status = e->status;
5b435de0
AS		 4687
4688 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
16886735
AS		 4689 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
4690 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
5b435de0
AS		 4691 return true;
4692 }
4693
4694 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
16886735 4695 brcmf_dbg(CONN, "Processing connecting & no network found\n");
5b435de0
AS		 4696 return true;
4697 }
4698
4699 return false;
4700}
4701
27a68fe3 4702static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5b435de0 4703{
27a68fe3 4704 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4705
4706 kfree(conn_info->req_ie);
4707 conn_info->req_ie = NULL;
4708 conn_info->req_ie_len = 0;
4709 kfree(conn_info->resp_ie);
4710 conn_info->resp_ie = NULL;
4711 conn_info->resp_ie_len = 0;
4712}
4713
89286dc9
HM		 4714static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
4715 struct brcmf_if *ifp)
5b435de0 4716{
c4e382d2 4717 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
27a68fe3 4718 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4719 u32 req_len;
4720 u32 resp_len;
4721 s32 err = 0;
4722
27a68fe3 4723 brcmf_clear_assoc_ies(cfg);
5b435de0 4724
ac24be6f
AS		 4725 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
4726 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5b435de0 4727 if (err) {
57d6e91a 4728 brcmf_err("could not get assoc info (%d)\n", err);
5b435de0
AS		 4729 return err;
4730 }
c4e382d2 4731 assoc_info =
27a68fe3 4732 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
c4e382d2
AS		 4733 req_len = le32_to_cpu(assoc_info->req_len);
4734 resp_len = le32_to_cpu(assoc_info->resp_len);
5b435de0 4735 if (req_len) {
ac24be6f 4736 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
81f5dcb8
HM		 4737 cfg->extra_buf,
4738 WL_ASSOC_INFO_MAX);
5b435de0 4739 if (err) {
57d6e91a 4740 brcmf_err("could not get assoc req (%d)\n", err);
5b435de0
AS		 4741 return err;
4742 }
4743 conn_info->req_ie_len = req_len;
4744 conn_info->req_ie =
27a68fe3 4745 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5b435de0
AS		 4746 GFP_KERNEL);
4747 } else {
4748 conn_info->req_ie_len = 0;
4749 conn_info->req_ie = NULL;
4750 }
4751 if (resp_len) {
ac24be6f 4752 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
81f5dcb8
HM		 4753 cfg->extra_buf,
4754 WL_ASSOC_INFO_MAX);
5b435de0 4755 if (err) {
57d6e91a 4756 brcmf_err("could not get assoc resp (%d)\n", err);
5b435de0
AS		 4757 return err;
4758 }
4759 conn_info->resp_ie_len = resp_len;
4760 conn_info->resp_ie =
27a68fe3 4761 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5b435de0
AS		 4762 GFP_KERNEL);
4763 } else {
4764 conn_info->resp_ie_len = 0;
4765 conn_info->resp_ie = NULL;
4766 }
16886735
AS		 4767 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
4768 conn_info->req_ie_len, conn_info->resp_ie_len);
5b435de0
AS		 4769
4770 return err;
4771}
4772
4773static s32
27a68fe3 4774brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4775 struct net_device *ndev,
4776 const struct brcmf_event_msg *e)
4777{
c1179033
AS		 4778 struct brcmf_if *ifp = netdev_priv(ndev);
4779 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3
AS		 4780 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4781 struct wiphy *wiphy = cfg_to_wiphy(cfg);
a180b83b 4782 struct ieee80211_channel *notify_channel = NULL;
5b435de0 4783 struct ieee80211_supported_band *band;
a180b83b 4784 struct brcmf_bss_info_le *bi;
83cf17aa 4785 struct brcmu_chan ch;
5b435de0
AS		 4786 u32 freq;
4787 s32 err = 0;
a180b83b 4788 u8 *buf;
5b435de0 4789
d96b801f 4790 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4791
89286dc9 4792 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4793 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9 4794 brcmf_update_bss_info(cfg, ifp);
5b435de0 4795
a180b83b
FL		 4796 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
4797 if (buf == NULL) {
4798 err = -ENOMEM;
4799 goto done;
4800 }
4801
4802 /* data sent to dongle has to be little endian */
4803 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
c1179033 4804 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
ac24be6f 4805 buf, WL_BSS_INFO_MAX);
a180b83b
FL		 4806
4807 if (err)
4808 goto done;
5b435de0 4809
a180b83b 4810 bi = (struct brcmf_bss_info_le *)(buf + 4);
83cf17aa
FL		 4811 ch.chspec = le16_to_cpu(bi->chanspec);
4812 cfg->d11inf.decchspec(&ch);
5b435de0 4813
83cf17aa 4814 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 4815 band = wiphy->bands[IEEE80211_BAND_2GHZ];
4816 else
4817 band = wiphy->bands[IEEE80211_BAND_5GHZ];
4818
83cf17aa 4819 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 4820 notify_channel = ieee80211_get_channel(wiphy, freq);
4821
a180b83b
FL		 4822done:
4823 kfree(buf);
06bb123e 4824 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
5b435de0
AS		 4825 conn_info->req_ie, conn_info->req_ie_len,
4826 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
16886735 4827 brcmf_dbg(CONN, "Report roaming result\n");
5b435de0 4828
c1179033 4829 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
d96b801f 4830 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 4831 return err;
4832}
4833
4834static s32
27a68fe3 4835brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4836 struct net_device *ndev, const struct brcmf_event_msg *e,
4837 bool completed)
4838{
c1179033
AS		 4839 struct brcmf_if *ifp = netdev_priv(ndev);
4840 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3 4841 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0 4842
d96b801f 4843 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4844
c1179033
AS		 4845 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4846 &ifp->vif->sme_state)) {
5b435de0 4847 if (completed) {
89286dc9 4848 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4849 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9
HM		 4850 brcmf_update_bss_info(cfg, ifp);
4851 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4852 &ifp->vif->sme_state);
5b435de0
AS		 4853 }
4854 cfg80211_connect_result(ndev,
06bb123e 4855 (u8 *)profile->bssid,
5b435de0
AS		 4856 conn_info->req_ie,
4857 conn_info->req_ie_len,
4858 conn_info->resp_ie,
4859 conn_info->resp_ie_len,
4860 completed ? WLAN_STATUS_SUCCESS :
4861 WLAN_STATUS_AUTH_TIMEOUT,
4862 GFP_KERNEL);
16886735
AS		 4863 brcmf_dbg(CONN, "Report connect result - connection %s\n",
4864 completed ? "succeeded" : "failed");
5b435de0 4865 }
d96b801f 4866 brcmf_dbg(TRACE, "Exit\n");
12f32370 4867 return 0;
5b435de0
AS		 4868}
4869
4870static s32
27a68fe3 4871brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
1a873342
HM		 4872 struct net_device *ndev,
4873 const struct brcmf_event_msg *e, void *data)
4874{
a44aa400 4875 struct brcmf_if *ifp = netdev_priv(ndev);
7ee29602 4876 static int generation;
5c36b99a
AS		 4877 u32 event = e->event_code;
4878 u32 reason = e->reason;
1a873342
HM		 4879 struct station_info sinfo;
4880
16886735 4881 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
5f4f9f11
AS		 4882 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
4883 ndev != cfg_to_ndev(cfg)) {
4884 brcmf_dbg(CONN, "AP mode link down\n");
4885 complete(&cfg->vif_disabled);
a44aa400
HM		 4886 if (ifp->vif->mbss)
4887 brcmf_remove_interface(ifp->drvr, ifp->bssidx);
5f4f9f11
AS		 4888 return 0;
4889 }
1a873342 4890
1a873342 4891 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
7ee29602
HM		 4892 (reason == BRCMF_E_STATUS_SUCCESS)) {
4893 memset(&sinfo, 0, sizeof(sinfo));
1a873342 4894 if (!data) {
57d6e91a 4895 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
1a873342
HM		 4896 return -EINVAL;
4897 }
4898 sinfo.assoc_req_ies = data;
7ee29602 4899 sinfo.assoc_req_ies_len = e->datalen;
1a873342
HM		 4900 generation++;
4901 sinfo.generation = generation;
7ee29602 4902 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
1a873342
HM		 4903 } else if ((event == BRCMF_E_DISASSOC_IND) ||
4904 (event == BRCMF_E_DEAUTH_IND) ||
4905 (event == BRCMF_E_DEAUTH)) {
7ee29602 4906 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
1a873342 4907 }
7ee29602 4908 return 0;
1a873342
HM		 4909}
4910
5b435de0 4911static s32
1993732e 4912brcmf_notify_connect_status(struct brcmf_if *ifp,
5b435de0
AS		 4913 const struct brcmf_event_msg *e, void *data)
4914{
1993732e
AS		 4915 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4916 struct net_device *ndev = ifp->ndev;
c1179033 4917 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
fe94f3a4 4918 struct ieee80211_channel *chan;
5b435de0
AS		 4919 s32 err = 0;
4920
8851cce0
HM		 4921 if ((e->event_code == BRCMF_E_DEAUTH) ||
4922 (e->event_code == BRCMF_E_DEAUTH_IND) ||
4923 (e->event_code == BRCMF_E_DISASSOC_IND) ||
4924 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
4925 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4926 }
4927
967fe2c8 4928 if (brcmf_is_apmode(ifp->vif)) {
27a68fe3 4929 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
903e0eee 4930 } else if (brcmf_is_linkup(e)) {
16886735 4931 brcmf_dbg(CONN, "Linkup\n");
128ce3b6 4932 if (brcmf_is_ibssmode(ifp->vif)) {
fe94f3a4 4933 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
6c8c4f72 4934 memcpy(profile->bssid, e->addr, ETH_ALEN);
27a68fe3 4935 wl_inform_ibss(cfg, ndev, e->addr);
fe94f3a4 4936 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
c1179033
AS		 4937 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4938 &ifp->vif->sme_state);
4939 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4940 &ifp->vif->sme_state);
5b435de0 4941 } else
27a68fe3 4942 brcmf_bss_connect_done(cfg, ndev, e, true);
903e0eee 4943 } else if (brcmf_is_linkdown(e)) {
16886735 4944 brcmf_dbg(CONN, "Linkdown\n");
128ce3b6 4945 if (!brcmf_is_ibssmode(ifp->vif)) {
27a68fe3 4946 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0 4947 }
9b7a0ddc 4948 brcmf_link_down(ifp->vif, brcmf_map_fw_linkdown_reason(e));
6ac4f4ed 4949 brcmf_init_prof(ndev_to_prof(ndev));
5f4f9f11
AS		 4950 if (ndev != cfg_to_ndev(cfg))
4951 complete(&cfg->vif_disabled);
27a68fe3 4952 } else if (brcmf_is_nonetwork(cfg, e)) {
128ce3b6 4953 if (brcmf_is_ibssmode(ifp->vif))
c1179033
AS		 4954 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4955 &ifp->vif->sme_state);
5b435de0 4956 else
27a68fe3 4957 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0
AS		 4958 }
4959
4960 return err;
4961}
4962
4963static s32
1993732e 4964brcmf_notify_roaming_status(struct brcmf_if *ifp,
5b435de0
AS		 4965 const struct brcmf_event_msg *e, void *data)
4966{
1993732e 4967 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5c36b99a
AS		 4968 u32 event = e->event_code;
4969 u32 status = e->status;
5b435de0
AS		 4970
4971 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
c1179033 4972 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
1993732e 4973 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
5b435de0 4974 else
1993732e 4975 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
5b435de0
AS		 4976 }
4977
12f32370 4978 return 0;
5b435de0
AS		 4979}
4980
4981static s32
1993732e 4982brcmf_notify_mic_status(struct brcmf_if *ifp,
5b435de0
AS		 4983 const struct brcmf_event_msg *e, void *data)
4984{
5c36b99a 4985 u16 flags = e->flags;
5b435de0
AS		 4986 enum nl80211_key_type key_type;
4987
4988 if (flags & BRCMF_EVENT_MSG_GROUP)
4989 key_type = NL80211_KEYTYPE_GROUP;
4990 else
4991 key_type = NL80211_KEYTYPE_PAIRWISE;
4992
1993732e 4993 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
5b435de0
AS		 4994 NULL, GFP_KERNEL);
4995
4996 return 0;
4997}
4998
d3c0b633
AS		 4999static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
5000 const struct brcmf_event_msg *e, void *data)
5001{
5002 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5003 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
5004 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5005 struct brcmf_cfg80211_vif *vif;
5006
5007 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
5008 ifevent->action, ifevent->flags, ifevent->ifidx,
5009 ifevent->bssidx);
5010
d3c0b633
AS		 5011 mutex_lock(&event->vif_event_lock);
5012 event->action = ifevent->action;
5013 vif = event->vif;
5014
5015 switch (ifevent->action) {
5016 case BRCMF_E_IF_ADD:
5017 /* waiting process may have timed out */
dc4a787c
WY		 5018 if (!cfg->vif_event.vif) {
5019 mutex_unlock(&event->vif_event_lock);
d3c0b633 5020 return -EBADF;
dc4a787c 5021 }
d3c0b633
AS		 5022
5023 ifp->vif = vif;
5024 vif->ifp = ifp;
01b8e7db
AS		 5025 if (ifp->ndev) {
5026 vif->wdev.netdev = ifp->ndev;
5027 ifp->ndev->ieee80211_ptr = &vif->wdev;
5028 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
5029 }
d3c0b633
AS		 5030 mutex_unlock(&event->vif_event_lock);
5031 wake_up(&event->vif_wq);
4b3a89de 5032 return 0;
d3c0b633
AS		 5033
5034 case BRCMF_E_IF_DEL:
d3c0b633
AS		 5035 mutex_unlock(&event->vif_event_lock);
5036 /* event may not be upon user request */
5037 if (brcmf_cfg80211_vif_event_armed(cfg))
5038 wake_up(&event->vif_wq);
5039 return 0;
5040
7a5c1f64
HM		 5041 case BRCMF_E_IF_CHANGE:
5042 mutex_unlock(&event->vif_event_lock);
5043 wake_up(&event->vif_wq);
5044 return 0;
5045
d3c0b633
AS		 5046 default:
5047 mutex_unlock(&event->vif_event_lock);
5048 break;
5049 }
5050 return -EINVAL;
5051}
5052
5b435de0
AS		 5053static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
5054{
5b435de0
AS		 5055 conf->frag_threshold = (u32)-1;
5056 conf->rts_threshold = (u32)-1;
5057 conf->retry_short = (u32)-1;
5058 conf->retry_long = (u32)-1;
5059 conf->tx_power = -1;
5060}
5061
5c36b99a 5062static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5b435de0 5063{
5c36b99a
AS		 5064 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
5065 brcmf_notify_connect_status);
5066 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
5067 brcmf_notify_connect_status);
5068 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
5069 brcmf_notify_connect_status);
5070 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
5071 brcmf_notify_connect_status);
5072 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
5073 brcmf_notify_connect_status);
5074 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
5075 brcmf_notify_connect_status);
5076 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
5077 brcmf_notify_roaming_status);
5078 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
5079 brcmf_notify_mic_status);
5080 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
5081 brcmf_notify_connect_status);
5082 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
5083 brcmf_notify_sched_scan_results);
d3c0b633
AS		 5084 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
5085 brcmf_notify_vif_event);
0de8aace 5086 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
6eda4e2c 5087 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
0de8aace
HM		 5088 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
5089 brcmf_p2p_notify_listen_complete);
e6da3400
HM		 5090 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
5091 brcmf_p2p_notify_action_frame_rx);
18e2f61d
HM		 5092 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
5093 brcmf_p2p_notify_action_tx_complete);
6eda4e2c
HM		 5094 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
5095 brcmf_p2p_notify_action_tx_complete);
5b435de0
AS		 5096}
5097
27a68fe3
AS		 5098static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
5099{
27a68fe3
AS		 5100 kfree(cfg->conf);
5101 cfg->conf = NULL;
27a68fe3
AS		 5102 kfree(cfg->escan_ioctl_buf);
5103 cfg->escan_ioctl_buf = NULL;
27a68fe3
AS		 5104 kfree(cfg->extra_buf);
5105 cfg->extra_buf = NULL;
27a68fe3
AS		 5106 kfree(cfg->pmk_list);
5107 cfg->pmk_list = NULL;
27a68fe3
AS		 5108}
5109
5110static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
5111{
27a68fe3
AS		 5112 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
5113 if (!cfg->conf)
5b435de0 5114 goto init_priv_mem_out;
27a68fe3
AS		 5115 cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5116 if (!cfg->escan_ioctl_buf)
e756af5b 5117 goto init_priv_mem_out;
27a68fe3
AS		 5118 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
5119 if (!cfg->extra_buf)
5b435de0 5120 goto init_priv_mem_out;
27a68fe3
AS		 5121 cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
5122 if (!cfg->pmk_list)
5b435de0
AS		 5123 goto init_priv_mem_out;
5124
5125 return 0;
5126
5127init_priv_mem_out:
27a68fe3 5128 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5129
5130 return -ENOMEM;
5131}
5132
27a68fe3 5133static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5134{
5135 s32 err = 0;
5136
27a68fe3
AS		 5137 cfg->scan_request = NULL;
5138 cfg->pwr_save = true;
68ca395f
HM		 5139 cfg->active_scan = true; /* we do active scan per default */
5140 cfg->dongle_up = false; /* dongle is not up yet */
27a68fe3 5141 err = brcmf_init_priv_mem(cfg);
5b435de0
AS		 5142 if (err)
5143 return err;
5c36b99a 5144 brcmf_register_event_handlers(cfg);
27a68fe3 5145 mutex_init(&cfg->usr_sync);
27a68fe3
AS		 5146 brcmf_init_escan(cfg);
5147 brcmf_init_conf(cfg->conf);
5f4f9f11 5148 init_completion(&cfg->vif_disabled);
5b435de0
AS		 5149 return err;
5150}
5151
27a68fe3 5152static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5b435de0 5153{
27a68fe3 5154 cfg->dongle_up = false; /* dongle down */
27a68fe3
AS		 5155 brcmf_abort_scanning(cfg);
5156 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 5157}
5158
d3c0b633
AS		 5159static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
5160{
5161 init_waitqueue_head(&event->vif_wq);
d3c0b633
AS		 5162 mutex_init(&event->vif_event_lock);
5163}
5164
5b435de0 5165static s32
68ca395f 5166brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
5b435de0 5167{
5b435de0 5168 s32 err = 0;
f588bc0c
AS		 5169 __le32 roamtrigger[2];
5170 __le32 roam_delta[2];
5b435de0
AS		 5171
5172 /*
5173 * Setup timeout if Beacons are lost and roam is
5174 * off to report link down
5175 */
68ca395f 5176 if (brcmf_roamoff) {
ac24be6f 5177 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5b435de0 5178 if (err) {
57d6e91a 5179 brcmf_err("bcn_timeout error (%d)\n", err);
5b435de0
AS		 5180 goto dongle_rom_out;
5181 }
5182 }
5183
5184 /*
5185 * Enable/Disable built-in roaming to allow supplicant
5186 * to take care of roaming
5187 */
68ca395f
HM		 5188 brcmf_dbg(INFO, "Internal Roaming = %s\n",
5189 brcmf_roamoff ? "Off" : "On");
5190 err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
5b435de0 5191 if (err) {
57d6e91a 5192 brcmf_err("roam_off error (%d)\n", err);
5b435de0
AS		 5193 goto dongle_rom_out;
5194 }
5195
f588bc0c
AS		 5196 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
5197 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5198 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
81f5dcb8 5199 (void *)roamtrigger, sizeof(roamtrigger));
5b435de0 5200 if (err) {
57d6e91a 5201 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
5b435de0
AS		 5202 goto dongle_rom_out;
5203 }
5204
f588bc0c
AS		 5205 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
5206 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 5207 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
81f5dcb8 5208 (void *)roam_delta, sizeof(roam_delta));
5b435de0 5209 if (err) {
57d6e91a 5210 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
5b435de0
AS		 5211 goto dongle_rom_out;
5212 }
5213
5214dongle_rom_out:
5215 return err;
5216}
5217
5218static s32
40a23296 5219brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
c68cdc0f 5220 s32 scan_unassoc_time, s32 scan_passive_time)
5b435de0
AS		 5221{
5222 s32 err = 0;
5223
ac24be6f 5224 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
81f5dcb8 5225 scan_assoc_time);
5b435de0
AS		 5226 if (err) {
5227 if (err == -EOPNOTSUPP)
647c9ae0 5228 brcmf_dbg(INFO, "Scan assoc time is not supported\n");
5b435de0 5229 else
57d6e91a 5230 brcmf_err("Scan assoc time error (%d)\n", err);
5b435de0
AS		 5231 goto dongle_scantime_out;
5232 }
ac24be6f 5233 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
81f5dcb8 5234 scan_unassoc_time);
5b435de0
AS		 5235 if (err) {
5236 if (err == -EOPNOTSUPP)
647c9ae0 5237 brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
5b435de0 5238 else
57d6e91a 5239 brcmf_err("Scan unassoc time error (%d)\n", err);
5b435de0
AS		 5240 goto dongle_scantime_out;
5241 }
5242
ac24be6f 5243 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
81f5dcb8 5244 scan_passive_time);
5b435de0
AS		 5245 if (err) {
5246 if (err == -EOPNOTSUPP)
647c9ae0 5247 brcmf_dbg(INFO, "Scan passive time is not supported\n");
5b435de0 5248 else
57d6e91a 5249 brcmf_err("Scan passive time error (%d)\n", err);
5b435de0
AS		 5250 goto dongle_scantime_out;
5251 }
5252
5253dongle_scantime_out:
5254 return err;
5255}
5256
b48d8916
AS		 5257/* Filter the list of channels received from firmware counting only
5258 * the 20MHz channels. The wiphy band data only needs those which get
5259 * flagged to indicate if they can take part in higher bandwidth.
5260 */
5261static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
5262 struct brcmf_chanspec_list *chlist,
5263 u32 chcnt[])
5264{
5265 u32 total = le32_to_cpu(chlist->count);
5266 struct brcmu_chan ch;
5267 int i;
5268
f8adaf0a 5269 for (i = 0; i < total; i++) {
b48d8916
AS		 5270 ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
5271 cfg->d11inf.decchspec(&ch);
5272
5273 /* Firmware gives a ordered list. We skip non-20MHz
5274 * channels is 2G. For 5G we can abort upon reaching
5275 * a non-20MHz channel in the list.
5276 */
5277 if (ch.bw != BRCMU_CHAN_BW_20) {
5278 if (ch.band == BRCMU_CHAN_BAND_5G)
5279 break;
5280 else
5281 continue;
5282 }
5283
5284 if (ch.band == BRCMU_CHAN_BAND_2G)
5285 chcnt[0] += 1;
5286 else if (ch.band == BRCMU_CHAN_BAND_5G)
5287 chcnt[1] += 1;
5288 }
5289}
5290
5291static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
5292 struct brcmu_chan *ch)
5293{
5294 u32 ht40_flag;
d48200ba 5295
b48d8916
AS		 5296 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
5297 if (ch->sb == BRCMU_CHAN_SB_U) {
5298 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5299 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5300 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5301 } else {
5302 /* It should be one of
5303 * IEEE80211_CHAN_NO_HT40 or
5304 * IEEE80211_CHAN_NO_HT40PLUS
5305 */
5306 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5307 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5308 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5309 }
5310}
5311
5312static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5313 u32 bw_cap[])
d48200ba
HM		 5314{
5315 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
b48d8916
AS		 5316 struct ieee80211_supported_band *band;
5317 struct ieee80211_channel *channel;
5318 struct wiphy *wiphy;
d48200ba 5319 struct brcmf_chanspec_list *list;
83cf17aa 5320 struct brcmu_chan ch;
b48d8916 5321 int err;
d48200ba
HM		 5322 u8 *pbuf;
5323 u32 i, j;
5324 u32 total;
b48d8916
AS		 5325 u32 chaninfo;
5326 u32 chcnt[2] = { 0, 0 };
d48200ba 5327 u32 index;
d48200ba
HM		 5328
5329 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5330
5331 if (pbuf == NULL)
5332 return -ENOMEM;
5333
5334 list = (struct brcmf_chanspec_list *)pbuf;
5335
5336 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5337 BRCMF_DCMD_MEDLEN);
5338 if (err) {
5339 brcmf_err("get chanspecs error (%d)\n", err);
b48d8916 5340 goto fail_pbuf;
d48200ba
HM		 5341 }
5342
b48d8916
AS		 5343 brcmf_count_20mhz_channels(cfg, list, chcnt);
5344 wiphy = cfg_to_wiphy(cfg);
5345 if (chcnt[0]) {
5346 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
5347 GFP_KERNEL);
5348 if (band == NULL) {
5349 err = -ENOMEM;
5350 goto fail_pbuf;
5351 }
5352 band->channels = kcalloc(chcnt[0], sizeof(*channel),
5353 GFP_KERNEL);
5354 if (band->channels == NULL) {
5355 kfree(band);
5356 err = -ENOMEM;
5357 goto fail_pbuf;
5358 }
5359 band->n_channels = 0;
5360 wiphy->bands[IEEE80211_BAND_2GHZ] = band;
5361 }
5362 if (chcnt[1]) {
5363 band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
5364 GFP_KERNEL);
5365 if (band == NULL) {
5366 err = -ENOMEM;
5367 goto fail_band2g;
5368 }
5369 band->channels = kcalloc(chcnt[1], sizeof(*channel),
5370 GFP_KERNEL);
5371 if (band->channels == NULL) {
5372 kfree(band);
5373 err = -ENOMEM;
5374 goto fail_band2g;
5375 }
5376 band->n_channels = 0;
5377 wiphy->bands[IEEE80211_BAND_5GHZ] = band;
5378 }
d48200ba
HM		 5379
5380 total = le32_to_cpu(list->count);
5381 for (i = 0; i < total; i++) {
83cf17aa
FL		 5382 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5383 cfg->d11inf.decchspec(&ch);
d48200ba 5384
83cf17aa 5385 if (ch.band == BRCMU_CHAN_BAND_2G) {
b48d8916 5386 band = wiphy->bands[IEEE80211_BAND_2GHZ];
83cf17aa 5387 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
b48d8916 5388 band = wiphy->bands[IEEE80211_BAND_5GHZ];
d48200ba 5389 } else {
2375d970 5390 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
d48200ba
HM		 5391 continue;
5392 }
b48d8916 5393 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
2375d970 5394 ch.bw == BRCMU_CHAN_BW_40)
d48200ba 5395 continue;
b48d8916 5396 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
ee942ecc
AS		 5397 ch.bw == BRCMU_CHAN_BW_80)
5398 continue;
b48d8916
AS		 5399
5400 channel = band->channels;
5401 index = band->n_channels;
5402 for (j = 0; j < band->n_channels; j++) {
5403 if (channel[j].hw_value == ch.chnum) {
5404 index = j;
d48200ba
HM		 5405 break;
5406 }
5407 }
b48d8916
AS		 5408 channel[index].center_freq =
5409 ieee80211_channel_to_frequency(ch.chnum, band->band);
5410 channel[index].hw_value = ch.chnum;
5411
5412 /* assuming the chanspecs order is HT20,
5413 * HT40 upper, HT40 lower, and VHT80.
5414 */
5415 if (ch.bw == BRCMU_CHAN_BW_80) {
5416 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5417 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5418 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5419 } else {
5420 /* disable other bandwidths for now as mentioned
5421 * order assure they are enabled for subsequent
5422 * chanspecs.
ee942ecc 5423 */
b48d8916
AS		 5424 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5425 IEEE80211_CHAN_NO_80MHZ;
5426 ch.bw = BRCMU_CHAN_BW_20;
5427 cfg->d11inf.encchspec(&ch);
5428 chaninfo = ch.chspec;
5429 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5430 &chaninfo);
5431 if (!err) {
5432 if (chaninfo & WL_CHAN_RADAR)
5433 channel[index].flags |=
5434 (IEEE80211_CHAN_RADAR |
5435 IEEE80211_CHAN_NO_IR);
5436 if (chaninfo & WL_CHAN_PASSIVE)
5437 channel[index].flags |=
5438 IEEE80211_CHAN_NO_IR;
d48200ba 5439 }
d48200ba 5440 }
b48d8916
AS		 5441 if (index == band->n_channels)
5442 band->n_channels++;
d48200ba 5443 }
b48d8916
AS		 5444 kfree(pbuf);
5445 return 0;
5446
5447fail_band2g:
5448 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5449 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5450 wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
5451fail_pbuf:
d48200ba
HM		 5452 kfree(pbuf);
5453 return err;
5454}
5455
b48d8916 5456static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
aa70b4fa 5457{
b48d8916
AS		 5458 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5459 struct ieee80211_supported_band *band;
aa70b4fa 5460 struct brcmf_fil_bwcap_le band_bwcap;
b48d8916
AS		 5461 struct brcmf_chanspec_list *list;
5462 u8 *pbuf;
aa70b4fa
AS		 5463 u32 val;
5464 int err;
b48d8916
AS		 5465 struct brcmu_chan ch;
5466 u32 num_chan;
5467 int i, j;
aa70b4fa
AS		 5468
5469 /* verify support for bw_cap command */
5470 val = WLC_BAND_5G;
5471 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5472
5473 if (!err) {
5474 /* only set 2G bandwidth using bw_cap command */
5475 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5476 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5477 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5478 sizeof(band_bwcap));
5479 } else {
5480 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5481 val = WLC_N_BW_40ALL;
5482 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5483 }
b48d8916
AS		 5484
5485 if (!err) {
5486 /* update channel info in 2G band */
5487 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5488
5489 if (pbuf == NULL)
5490 return -ENOMEM;
5491
5492 ch.band = BRCMU_CHAN_BAND_2G;
5493 ch.bw = BRCMU_CHAN_BW_40;
fac7d2a3 5494 ch.sb = BRCMU_CHAN_SB_NONE;
b48d8916
AS		 5495 ch.chnum = 0;
5496 cfg->d11inf.encchspec(&ch);
5497
5498 /* pass encoded chanspec in query */
5499 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5500
5501 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5502 BRCMF_DCMD_MEDLEN);
5503 if (err) {
5504 brcmf_err("get chanspecs error (%d)\n", err);
5505 kfree(pbuf);
5506 return err;
5507 }
5508
5509 band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
5510 list = (struct brcmf_chanspec_list *)pbuf;
5511 num_chan = le32_to_cpu(list->count);
5512 for (i = 0; i < num_chan; i++) {
5513 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5514 cfg->d11inf.decchspec(&ch);
5515 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5516 continue;
5517 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5518 continue;
5519 for (j = 0; j < band->n_channels; j++) {
5520 if (band->channels[j].hw_value == ch.chnum)
5521 break;
5522 }
5523 if (WARN_ON(j == band->n_channels))
5524 continue;
5525
5526 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5527 }
fac7d2a3 5528 kfree(pbuf);
b48d8916 5529 }
aa70b4fa
AS		 5530 return err;
5531}
5532
2375d970
AS		 5533static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5534{
5535 u32 band, mimo_bwcap;
5536 int err;
5537
5538 band = WLC_BAND_2G;
5539 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5540 if (!err) {
5541 bw_cap[IEEE80211_BAND_2GHZ] = band;
5542 band = WLC_BAND_5G;
5543 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5544 if (!err) {
5545 bw_cap[IEEE80211_BAND_5GHZ] = band;
5546 return;
5547 }
5548 WARN_ON(1);
5549 return;
5550 }
5551 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5552 mimo_bwcap = 0;
5553 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5554 if (err)
5555 /* assume 20MHz if firmware does not give a clue */
5556 mimo_bwcap = WLC_N_BW_20ALL;
5557
5558 switch (mimo_bwcap) {
5559 case WLC_N_BW_40ALL:
5560 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
5561 /* fall-thru */
5562 case WLC_N_BW_20IN2G_40IN5G:
5563 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
5564 /* fall-thru */
5565 case WLC_N_BW_20ALL:
5566 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5567 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
5568 break;
5569 default:
5570 brcmf_err("invalid mimo_bw_cap value\n");
5571 }
5572}
d48200ba 5573
18d6c535
AS		 5574static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5575 u32 bw_cap[2], u32 nchain)
5576{
5577 band->ht_cap.ht_supported = true;
5578 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5579 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5580 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5581 }
5582 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5583 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5584 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5585 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5586 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5587 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5588}
5589
5590static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
5591{
5592 u16 mcs_map;
5593 int i;
5594
5595 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
5596 mcs_map = (mcs_map << 2) | supp;
5597
5598 return cpu_to_le16(mcs_map);
5599}
5600
5601static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
5602 u32 bw_cap[2], u32 nchain)
5603{
5604 __le16 mcs_map;
5605
5606 /* not allowed in 2.4G band */
5607 if (band->band == IEEE80211_BAND_2GHZ)
5608 return;
5609
5610 band->vht_cap.vht_supported = true;
5611 /* 80MHz is mandatory */
5612 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
5613 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
5614 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
5615 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
5616 }
5617 /* all support 256-QAM */
5618 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
5619 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
5620 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
5621}
5622
b48d8916 5623static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5b435de0 5624{
b48d8916 5625 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
ac24be6f 5626 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
18d6c535
AS		 5627 u32 nmode = 0;
5628 u32 vhtmode = 0;
b48d8916 5629 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
4aca7a18
DK		 5630 u32 rxchain;
5631 u32 nchain;
b48d8916 5632 int err;
d48200ba 5633 s32 i;
2375d970 5634 struct ieee80211_supported_band *band;
5b435de0 5635
18d6c535 5636 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
d48200ba
HM		 5637 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
5638 if (err) {
5639 brcmf_err("nmode error (%d)\n", err);
5640 } else {
2375d970 5641 brcmf_get_bwcap(ifp, bw_cap);
d48200ba 5642 }
18d6c535
AS		 5643 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
5644 nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
5645 bw_cap[IEEE80211_BAND_5GHZ]);
d48200ba 5646
4aca7a18
DK		 5647 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
5648 if (err) {
5649 brcmf_err("rxchain error (%d)\n", err);
5650 nchain = 1;
5651 } else {
5652 for (nchain = 0; rxchain; nchain++)
5653 rxchain = rxchain & (rxchain - 1);
5654 }
5655 brcmf_dbg(INFO, "nchain=%d\n", nchain);
5656
b48d8916 5657 err = brcmf_construct_chaninfo(cfg, bw_cap);
d48200ba 5658 if (err) {
b48d8916 5659 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
d48200ba
HM		 5660 return err;
5661 }
5662
b48d8916
AS		 5663 wiphy = cfg_to_wiphy(cfg);
5664 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
5665 band = wiphy->bands[i];
5666 if (band == NULL)
2375d970 5667 continue;
d48200ba 5668
18d6c535
AS		 5669 if (nmode)
5670 brcmf_update_ht_cap(band, bw_cap, nchain);
5671 if (vhtmode)
5672 brcmf_update_vht_cap(band, bw_cap, nchain);
d48200ba
HM		 5673 }
5674
b48d8916 5675 return 0;
5b435de0
AS		 5676}
5677
a44aa400
HM		 5678static const struct ieee80211_iface_limit brcmf_iface_limits_mbss[] = {
5679 {
5680 .max = 1,
5681 .types = BIT(NL80211_IFTYPE_STATION) |
5682 BIT(NL80211_IFTYPE_ADHOC)
5683 },
5684 {
5685 .max = 4,
5686 .types = BIT(NL80211_IFTYPE_AP)
5687 },
5688 {
5689 .max = 1,
5690 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5691 BIT(NL80211_IFTYPE_P2P_GO)
5692 },
5693 {
5694 .max = 1,
5695 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5696 }
5697};
5698
5699static const struct ieee80211_iface_limit brcmf_iface_limits_sbss[] = {
aa70b4fa
AS		 5700 {
5701 .max = 2,
5702 .types = BIT(NL80211_IFTYPE_STATION) |
5703 BIT(NL80211_IFTYPE_ADHOC) |
5704 BIT(NL80211_IFTYPE_AP)
5705 },
5706 {
5707 .max = 1,
5708 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5709 BIT(NL80211_IFTYPE_P2P_GO)
5710 },
5711 {
5712 .max = 1,
5713 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5714 }
5715};
5716static struct ieee80211_iface_combination brcmf_iface_combos[] = {
5717 {
5718 .max_interfaces = BRCMF_IFACE_MAX_CNT,
5719 .num_different_channels = 1,
a44aa400
HM		 5720 .n_limits = ARRAY_SIZE(brcmf_iface_limits_sbss),
5721 .limits = brcmf_iface_limits_sbss,
aa70b4fa
AS		 5722 }
5723};
5724
5725static const struct ieee80211_txrx_stypes
5726brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
5727 [NL80211_IFTYPE_STATION] = {
5728 .tx = 0xffff,
5729 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5730 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5731 },
5732 [NL80211_IFTYPE_P2P_CLIENT] = {
5733 .tx = 0xffff,
5734 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5735 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5736 },
5737 [NL80211_IFTYPE_P2P_GO] = {
5738 .tx = 0xffff,
5739 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
5740 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
5741 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
5742 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
5743 BIT(IEEE80211_STYPE_AUTH >> 4) |
5744 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
5745 BIT(IEEE80211_STYPE_ACTION >> 4)
5746 },
5747 [NL80211_IFTYPE_P2P_DEVICE] = {
5748 .tx = 0xffff,
5749 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5750 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5751 }
5752};
5753
5754static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
5755{
5756 /* scheduled scan settings */
5757 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
5758 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
5759 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5760 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
5761}
5762
4eb3af7c
HM		 5763#ifdef CONFIG_PM
5764static const struct wiphy_wowlan_support brcmf_wowlan_support = {
5765 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
b9a82f89
HM		 5766 .n_patterns = BRCMF_WOWL_MAXPATTERNS,
5767 .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
5768 .pattern_min_len = 1,
5769 .max_pkt_offset = 1500,
4eb3af7c
HM		 5770};
5771#endif
5772
5773static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
5774{
5775#ifdef CONFIG_PM
5776 /* wowl settings */
5777 wiphy->wowlan = &brcmf_wowlan_support;
5778#endif
5779}
5780
b48d8916 5781static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
aa70b4fa 5782{
b48d8916 5783 struct ieee80211_iface_combination ifc_combo;
aa70b4fa
AS		 5784 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
5785 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5786 wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
5787 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
5788 BIT(NL80211_IFTYPE_ADHOC) |
5789 BIT(NL80211_IFTYPE_AP) |
5790 BIT(NL80211_IFTYPE_P2P_CLIENT) |
5791 BIT(NL80211_IFTYPE_P2P_GO) |
5792 BIT(NL80211_IFTYPE_P2P_DEVICE);
5793 /* need VSDB firmware feature for concurrent channels */
b48d8916 5794 ifc_combo = brcmf_iface_combos[0];
aa70b4fa 5795 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
b48d8916 5796 ifc_combo.num_different_channels = 2;
a44aa400
HM		 5797 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) {
5798 ifc_combo.n_limits = ARRAY_SIZE(brcmf_iface_limits_mbss),
5799 ifc_combo.limits = brcmf_iface_limits_mbss;
5800 }
b48d8916
AS		 5801 wiphy->iface_combinations = kmemdup(&ifc_combo,
5802 sizeof(ifc_combo),
5803 GFP_KERNEL);
aa70b4fa 5804 wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
aa70b4fa
AS		 5805 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
5806 wiphy->cipher_suites = __wl_cipher_suites;
5807 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
5808 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
5809 WIPHY_FLAG_OFFCHAN_TX |
5810 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
5811 WIPHY_FLAG_SUPPORTS_TDLS;
5812 if (!brcmf_roamoff)
5813 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
5814 wiphy->mgmt_stypes = brcmf_txrx_stypes;
5815 wiphy->max_remain_on_channel_duration = 5000;
5816 brcmf_wiphy_pno_params(wiphy);
aa70b4fa
AS		 5817
5818 /* vendor commands/events support */
5819 wiphy->vendor_commands = brcmf_vendor_cmds;
5820 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
5821
4eb3af7c
HM		 5822 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
5823 brcmf_wiphy_wowl_params(wiphy);
5824
b48d8916 5825 return brcmf_setup_wiphybands(wiphy);
5b435de0
AS		 5826}
5827
27a68fe3 5828static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5829{
5830 struct net_device *ndev;
5831 struct wireless_dev *wdev;
40a23296 5832 struct brcmf_if *ifp;
5b435de0
AS		 5833 s32 power_mode;
5834 s32 err = 0;
5835
27a68fe3 5836 if (cfg->dongle_up)
5b435de0
AS		 5837 return err;
5838
27a68fe3 5839 ndev = cfg_to_ndev(cfg);
5b435de0 5840 wdev = ndev->ieee80211_ptr;
40a23296
HM		 5841 ifp = netdev_priv(ndev);
5842
5843 /* make sure RF is ready for work */
5844 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5b435de0 5845
40a23296
HM		 5846 brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
5847 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
5b435de0 5848
27a68fe3 5849 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
40a23296 5850 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5b435de0
AS		 5851 if (err)
5852 goto default_conf_out;
647c9ae0
AS		 5853 brcmf_dbg(INFO, "power save set to %s\n",
5854 (power_mode ? "enabled" : "disabled"));
5b435de0 5855
68ca395f 5856 err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
5b435de0
AS		 5857 if (err)
5858 goto default_conf_out;
5dd161ff
FL		 5859 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
5860 NULL, NULL);
40a23296 5861 if (err)
5b435de0 5862 goto default_conf_out;
5b435de0 5863
b3657453
HM		 5864 brcmf_configure_arp_offload(ifp, true);
5865
27a68fe3 5866 cfg->dongle_up = true;
40a23296 5867default_conf_out:
5b435de0
AS		 5868
5869 return err;
5870
5871}
5872
bdf5ff51 5873static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5b435de0 5874{
c1179033 5875 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5876
bdf5ff51 5877 return brcmf_config_dongle(ifp->drvr->config);
5b435de0
AS		 5878}
5879
bdf5ff51 5880static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5b435de0 5881{
bdf5ff51 5882 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
c1179033 5883
5b435de0
AS		 5884 /*
5885 * While going down, if associated with AP disassociate
5886 * from AP to save power
5887 */
903e0eee 5888 if (check_vif_up(ifp->vif)) {
9b7a0ddc 5889 brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED);
5b435de0
AS		 5890
5891 /* Make sure WPA_Supplicant receives all the event
5892 generated due to DISASSOC call to the fw to keep
5893 the state fw and WPA_Supplicant state consistent
5894 */
5895 brcmf_delay(500);
5896 }
5897
27a68fe3 5898 brcmf_abort_scanning(cfg);
c1179033 5899 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5900
5b435de0
AS		 5901 return 0;
5902}
5903
bdf5ff51 5904s32 brcmf_cfg80211_up(struct net_device *ndev)
5b435de0 5905{
bdf5ff51
AS		 5906 struct brcmf_if *ifp = netdev_priv(ndev);
5907 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5908 s32 err = 0;
5909
27a68fe3 5910 mutex_lock(&cfg->usr_sync);
bdf5ff51 5911 err = __brcmf_cfg80211_up(ifp);
27a68fe3 5912 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5913
5914 return err;
5915}
5916
bdf5ff51 5917s32 brcmf_cfg80211_down(struct net_device *ndev)
5b435de0 5918{
bdf5ff51
AS		 5919 struct brcmf_if *ifp = netdev_priv(ndev);
5920 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5921 s32 err = 0;
5922
27a68fe3 5923 mutex_lock(&cfg->usr_sync);
bdf5ff51 5924 err = __brcmf_cfg80211_down(ifp);
27a68fe3 5925 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5926
5927 return err;
5928}
5929
a7965fbb
AS		 5930enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
5931{
5932 struct wireless_dev *wdev = &ifp->vif->wdev;
5933
5934 return wdev->iftype;
5935}
5936
bfe81975
HM		 5937bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
5938 unsigned long state)
9f440b7b
AS		 5939{
5940 struct brcmf_cfg80211_vif *vif;
9f440b7b
AS		 5941
5942 list_for_each_entry(vif, &cfg->vif_list, list) {
5943 if (test_bit(state, &vif->sme_state))
e843bb19 5944 return true;
9f440b7b 5945 }
e843bb19 5946 return false;
9f440b7b 5947}
d3c0b633
AS		 5948
5949static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
5950 u8 action)
5951{
5952 u8 evt_action;
5953
5954 mutex_lock(&event->vif_event_lock);
5955 evt_action = event->action;
5956 mutex_unlock(&event->vif_event_lock);
5957 return evt_action == action;
5958}
5959
5960void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
5961 struct brcmf_cfg80211_vif *vif)
5962{
5963 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5964
5965 mutex_lock(&event->vif_event_lock);
5966 event->vif = vif;
5967 event->action = 0;
5968 mutex_unlock(&event->vif_event_lock);
5969}
5970
5971bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
5972{
5973 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5974 bool armed;
5975
5976 mutex_lock(&event->vif_event_lock);
5977 armed = event->vif != NULL;
5978 mutex_unlock(&event->vif_event_lock);
5979
5980 return armed;
5981}
5982int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
5983 u8 action, ulong timeout)
5984{
5985 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5986
5987 return wait_event_timeout(event->vif_wq,
5988 vif_event_equals(event, action), timeout);
5989}
5990
63db1a49
AS		 5991static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy,
5992 struct regulatory_request *req)
5993{
5994 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
5995 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5996 struct brcmf_fil_country_le ccreq;
5997 int i;
5998
5999 brcmf_dbg(TRACE, "enter: initiator=%d, alpha=%c%c\n", req->initiator,
6000 req->alpha2[0], req->alpha2[1]);
6001
6002 /* ignore non-ISO3166 country codes */
6003 for (i = 0; i < sizeof(req->alpha2); i++)
6004 if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
6005 brcmf_err("not a ISO3166 code\n");
6006 return;
6007 }
6008 memset(&ccreq, 0, sizeof(ccreq));
6009 ccreq.rev = cpu_to_le32(-1);
6010 memcpy(ccreq.ccode, req->alpha2, sizeof(req->alpha2));
6011 brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq));
6012}
6013
b48d8916
AS		 6014static void brcmf_free_wiphy(struct wiphy *wiphy)
6015{
6016 kfree(wiphy->iface_combinations);
6017 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
6018 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
6019 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
6020 }
6021 if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
6022 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
6023 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
6024 }
6025 wiphy_free(wiphy);
6026}
6027
ccfd1e81
AS		 6028struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
6029 struct device *busdev)
6030{
6031 struct net_device *ndev = drvr->iflist[0]->ndev;
6032 struct brcmf_cfg80211_info *cfg;
6033 struct wiphy *wiphy;
6034 struct brcmf_cfg80211_vif *vif;
6035 struct brcmf_if *ifp;
6036 s32 err = 0;
6037 s32 io_type;
b48d8916 6038 u16 *cap = NULL;
ccfd1e81
AS		 6039
6040 if (!ndev) {
6041 brcmf_err("ndev is invalid\n");
6042 return NULL;
6043 }
6044
6045 ifp = netdev_priv(ndev);
b48d8916
AS		 6046 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
6047 if (!wiphy) {
6048 brcmf_err("Could not allocate wiphy device\n");
ccfd1e81 6049 return NULL;
b48d8916
AS		 6050 }
6051 set_wiphy_dev(wiphy, busdev);
ccfd1e81
AS		 6052
6053 cfg = wiphy_priv(wiphy);
6054 cfg->wiphy = wiphy;
6055 cfg->pub = drvr;
6056 init_vif_event(&cfg->vif_event);
6057 INIT_LIST_HEAD(&cfg->vif_list);
6058
6059 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
b48d8916
AS		 6060 if (IS_ERR(vif))
6061 goto wiphy_out;
ccfd1e81
AS		 6062
6063 vif->ifp = ifp;
6064 vif->wdev.netdev = ndev;
6065 ndev->ieee80211_ptr = &vif->wdev;
6066 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
6067
6068 err = wl_init_priv(cfg);
6069 if (err) {
6070 brcmf_err("Failed to init iwm_priv (%d)\n", err);
b48d8916
AS		 6071 brcmf_free_vif(vif);
6072 goto wiphy_out;
ccfd1e81
AS		 6073 }
6074 ifp->vif = vif;
6075
b48d8916
AS		 6076 /* determine d11 io type before wiphy setup */
6077 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
ccfd1e81 6078 if (err) {
b48d8916
AS		 6079 brcmf_err("Failed to get D11 version (%d)\n", err);
6080 goto priv_out;
ccfd1e81 6081 }
b48d8916
AS		 6082 cfg->d11inf.io_type = (u8)io_type;
6083 brcmu_d11_attach(&cfg->d11inf);
6084
6085 err = brcmf_setup_wiphy(wiphy, ifp);
6086 if (err < 0)
6087 goto priv_out;
6088
6089 brcmf_dbg(INFO, "Registering custom regulatory\n");
63db1a49 6090 wiphy->reg_notifier = brcmf_cfg80211_reg_notifier;
b48d8916
AS		 6091 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
6092 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
6093
6094 /* firmware defaults to 40MHz disabled in 2G band. We signal
6095 * cfg80211 here that we do and have it decide we can enable
6096 * it. But first check if device does support 2G operation.
6097 */
6098 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
6099 cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
6100 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6101 }
6102 err = wiphy_register(wiphy);
6103 if (err < 0) {
6104 brcmf_err("Could not register wiphy device (%d)\n", err);
6105 goto priv_out;
ccfd1e81
AS		 6106 }
6107
6108 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
6109 * setup 40MHz in 2GHz band and enable OBSS scanning.
6110 */
b48d8916
AS		 6111 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
6112 err = brcmf_enable_bw40_2g(cfg);
ccfd1e81
AS		 6113 if (!err)
6114 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
6115 BRCMF_OBSS_COEX_AUTO);
b48d8916
AS		 6116 else
6117 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ccfd1e81 6118 }
ccfd1e81 6119
b48d8916 6120 err = brcmf_p2p_attach(cfg);
ccfd1e81 6121 if (err) {
b48d8916
AS		 6122 brcmf_err("P2P initilisation failed (%d)\n", err);
6123 goto wiphy_unreg_out;
6124 }
6125 err = brcmf_btcoex_attach(cfg);
6126 if (err) {
6127 brcmf_err("BT-coex initialisation failed (%d)\n", err);
6128 brcmf_p2p_detach(&cfg->p2p);
6129 goto wiphy_unreg_out;
ccfd1e81
AS		 6130 }
6131
b48d8916 6132 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
ccfd1e81 6133 if (err) {
b48d8916
AS		 6134 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
6135 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
70b7d94b
HM		 6136 } else {
6137 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
6138 brcmf_notify_tdls_peer_event);
ccfd1e81 6139 }
ccfd1e81
AS		 6140
6141 return cfg;
6142
b48d8916
AS		 6143wiphy_unreg_out:
6144 wiphy_unregister(cfg->wiphy);
6145priv_out:
ccfd1e81 6146 wl_deinit_priv(cfg);
ccfd1e81 6147 brcmf_free_vif(vif);
b48d8916
AS		 6148wiphy_out:
6149 brcmf_free_wiphy(wiphy);
ccfd1e81
AS		 6150 return NULL;
6151}
6152
6153void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
6154{
6155 if (!cfg)
6156 return;
6157
6158 WARN_ON(!list_empty(&cfg->vif_list));
6159 wiphy_unregister(cfg->wiphy);
6160 brcmf_btcoex_detach(cfg);
c3da74bb 6161 brcmf_p2p_detach(&cfg->p2p);
ccfd1e81 6162 wl_deinit_priv(cfg);
b48d8916 6163 brcmf_free_wiphy(cfg->wiphy);
ccfd1e81 6164}
Linux kernel - Deliverables
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