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cfg80211: set the rates mask in connection probes over specified freq
[deliverable/linux.git] / drivers / net / wireless / brcm80211 / brcmfmac / wl_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>
29#include "dhd.h"
16886735 30#include "dhd_dbg.h"
40c1c249 31#include "tracepoint.h"
7a5c1f64 32#include "fwil_types.h"
9f440b7b 33#include "p2p.h"
61730d4d 34#include "btcoex.h"
5b435de0 35#include "wl_cfg80211.h"
c08437b4 36#include "feature.h"
81f5dcb8 37#include "fwil.h"
8851cce0 38#include "proto.h"
1bacb048 39#include "vendor.h"
4eb3af7c 40#include "dhd_bus.h"
5b435de0 41
e5806072
AS		 42#define BRCMF_SCAN_IE_LEN_MAX 2048
43#define BRCMF_PNO_VERSION 2
44#define BRCMF_PNO_TIME 30
45#define BRCMF_PNO_REPEAT 4
46#define BRCMF_PNO_FREQ_EXPO_MAX 3
47#define BRCMF_PNO_MAX_PFN_COUNT 16
48#define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
49#define BRCMF_PNO_HIDDEN_BIT 2
50#define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
51#define BRCMF_PNO_SCAN_COMPLETE 1
52#define BRCMF_PNO_SCAN_INCOMPLETE 0
53
9f440b7b 54#define BRCMF_IFACE_MAX_CNT 3
3eacf866 55
1a873342
HM		 56#define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
57#define WPA_OUI_TYPE 1
58#define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
59#define WME_OUI_TYPE 2
89286dc9 60#define WPS_OUI_TYPE 4
1a873342
HM		 61
62#define VS_IE_FIXED_HDR_LEN 6
63#define WPA_IE_VERSION_LEN 2
64#define WPA_IE_MIN_OUI_LEN 4
65#define WPA_IE_SUITE_COUNT_LEN 2
66
67#define WPA_CIPHER_NONE 0 /* None */
68#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
69#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
70#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
71#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
72
73#define RSN_AKM_NONE 0 /* None (IBSS) */
74#define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
75#define RSN_AKM_PSK 2 /* Pre-shared Key */
76#define RSN_CAP_LEN 2 /* Length of RSN capabilities */
77#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
78
79#define VNDR_IE_CMD_LEN 4 /* length of the set command
80 * string :"add", "del" (+ NUL)
81 */
82#define VNDR_IE_COUNT_OFFSET 4
83#define VNDR_IE_PKTFLAG_OFFSET 8
84#define VNDR_IE_VSIE_OFFSET 12
85#define VNDR_IE_HDR_SIZE 12
9f440b7b 86#define VNDR_IE_PARSE_LIMIT 5
1a873342
HM		 87
88#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
89#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
04012895 90
89286dc9
HM		 91#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
92#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
93#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
94
5b435de0
AS		 95#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
96 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
97
ce81e317 98static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
5b435de0 99{
c1179033 100 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
647c9ae0
AS		 101 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
102 vif->sme_state);
5b435de0
AS		 103 return false;
104 }
105 return true;
106}
107
5b435de0
AS		 108#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
109#define RATETAB_ENT(_rateid, _flags) \
110 { \
111 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
112 .hw_value = (_rateid), \
113 .flags = (_flags), \
114 }
115
116static struct ieee80211_rate __wl_rates[] = {
117 RATETAB_ENT(BRCM_RATE_1M, 0),
118 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
119 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
120 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
121 RATETAB_ENT(BRCM_RATE_6M, 0),
122 RATETAB_ENT(BRCM_RATE_9M, 0),
123 RATETAB_ENT(BRCM_RATE_12M, 0),
124 RATETAB_ENT(BRCM_RATE_18M, 0),
125 RATETAB_ENT(BRCM_RATE_24M, 0),
126 RATETAB_ENT(BRCM_RATE_36M, 0),
127 RATETAB_ENT(BRCM_RATE_48M, 0),
128 RATETAB_ENT(BRCM_RATE_54M, 0),
129};
130
131#define wl_a_rates (__wl_rates + 4)
132#define wl_a_rates_size 8
133#define wl_g_rates (__wl_rates + 0)
134#define wl_g_rates_size 12
135
b48d8916
AS		 136/* Band templates duplicated per wiphy. The channel info
137 * is filled in after querying the device.
138 */
139static const struct ieee80211_supported_band __wl_band_2ghz = {
5b435de0 140 .band = IEEE80211_BAND_2GHZ,
5b435de0
AS		 141 .bitrates = wl_g_rates,
142 .n_bitrates = wl_g_rates_size,
143};
144
b48d8916 145static const struct ieee80211_supported_band __wl_band_5ghz_a = {
5b435de0 146 .band = IEEE80211_BAND_5GHZ,
5b435de0
AS		 147 .bitrates = wl_a_rates,
148 .n_bitrates = wl_a_rates_size,
149};
150
d48200ba
HM		 151/* This is to override regulatory domains defined in cfg80211 module (reg.c)
152 * By default world regulatory domain defined in reg.c puts the flags
8fe02e16
LR		 153 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
154 * With respect to these flags, wpa_supplicant doesn't * start p2p
155 * operations on 5GHz channels. All the changes in world regulatory
d48200ba
HM		 156 * domain are to be done here.
157 */
158static const struct ieee80211_regdomain brcmf_regdom = {
159 .n_reg_rules = 4,
160 .alpha2 = "99",
161 .reg_rules = {
162 /* IEEE 802.11b/g, channels 1..11 */
163 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
164 /* If any */
165 /* IEEE 802.11 channel 14 - Only JP enables
166 * this and for 802.11b only
167 */
168 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
169 /* IEEE 802.11a, channel 36..64 */
c555ecde 170 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
d48200ba 171 /* IEEE 802.11a, channel 100..165 */
c555ecde 172 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
5b435de0
AS		 173};
174
175static const u32 __wl_cipher_suites[] = {
176 WLAN_CIPHER_SUITE_WEP40,
177 WLAN_CIPHER_SUITE_WEP104,
178 WLAN_CIPHER_SUITE_TKIP,
179 WLAN_CIPHER_SUITE_CCMP,
180 WLAN_CIPHER_SUITE_AES_CMAC,
181};
182
1a873342
HM		 183/* Vendor specific ie. id = 221, oui and type defines exact ie */
184struct brcmf_vs_tlv {
185 u8 id;
186 u8 len;
187 u8 oui[3];
188 u8 oui_type;
189};
190
191struct parsed_vndr_ie_info {
192 u8 *ie_ptr;
193 u32 ie_len; /* total length including id & length field */
194 struct brcmf_vs_tlv vndrie;
195};
196
197struct parsed_vndr_ies {
198 u32 count;
9f440b7b 199 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
1a873342
HM		 200};
201
68ca395f
HM		 202static int brcmf_roamoff;
203module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
204MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
205
ef6ac17a
AB		 206/* Quarter dBm units to mW
207 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
208 * Table is offset so the last entry is largest mW value that fits in
209 * a u16.
210 */
211
212#define QDBM_OFFSET 153 /* Offset for first entry */
213#define QDBM_TABLE_LEN 40 /* Table size */
214
215/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
216 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
217 */
218#define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
219
220/* Largest mW value that will round down to the last table entry,
221 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
222 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
223 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
224 */
225#define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
226
227static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
228/* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
229/* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
230/* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
231/* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
232/* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
233/* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
234};
235
236static u16 brcmf_qdbm_to_mw(u8 qdbm)
237{
238 uint factor = 1;
239 int idx = qdbm - QDBM_OFFSET;
240
241 if (idx >= QDBM_TABLE_LEN)
242 /* clamp to max u16 mW value */
243 return 0xFFFF;
244
245 /* scale the qdBm index up to the range of the table 0-40
246 * where an offset of 40 qdBm equals a factor of 10 mW.
247 */
248 while (idx < 0) {
249 idx += 40;
250 factor *= 10;
251 }
252
253 /* return the mW value scaled down to the correct factor of 10,
254 * adding in factor/2 to get proper rounding.
255 */
256 return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
257}
258
259static u8 brcmf_mw_to_qdbm(u16 mw)
260{
261 u8 qdbm;
262 int offset;
263 uint mw_uint = mw;
264 uint boundary;
265
266 /* handle boundary case */
267 if (mw_uint <= 1)
268 return 0;
269
270 offset = QDBM_OFFSET;
271
272 /* move mw into the range of the table */
273 while (mw_uint < QDBM_TABLE_LOW_BOUND) {
274 mw_uint *= 10;
275 offset -= 40;
276 }
277
278 for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
279 boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
280 nqdBm_to_mW_map[qdbm]) / 2;
281 if (mw_uint < boundary)
282 break;
283 }
284
285 qdbm += (u8) offset;
286
287 return qdbm;
288}
289
5a394eba
AS		 290static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
291 struct cfg80211_chan_def *ch)
600a897d
AS		 292{
293 struct brcmu_chan ch_inf;
294 s32 primary_offset;
295
296 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
297 ch->chan->center_freq, ch->center_freq1, ch->width);
298 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
299 primary_offset = ch->center_freq1 - ch->chan->center_freq;
300 switch (ch->width) {
301 case NL80211_CHAN_WIDTH_20:
302 ch_inf.bw = BRCMU_CHAN_BW_20;
303 WARN_ON(primary_offset != 0);
304 break;
305 case NL80211_CHAN_WIDTH_40:
306 ch_inf.bw = BRCMU_CHAN_BW_40;
307 if (primary_offset < 0)
308 ch_inf.sb = BRCMU_CHAN_SB_U;
309 else
310 ch_inf.sb = BRCMU_CHAN_SB_L;
311 break;
312 case NL80211_CHAN_WIDTH_80:
313 ch_inf.bw = BRCMU_CHAN_BW_80;
314 if (primary_offset < 0) {
315 if (primary_offset < -CH_10MHZ_APART)
316 ch_inf.sb = BRCMU_CHAN_SB_UU;
317 else
318 ch_inf.sb = BRCMU_CHAN_SB_UL;
319 } else {
320 if (primary_offset > CH_10MHZ_APART)
321 ch_inf.sb = BRCMU_CHAN_SB_LL;
322 else
323 ch_inf.sb = BRCMU_CHAN_SB_LU;
324 }
325 break;
326 default:
327 WARN_ON_ONCE(1);
328 }
329 switch (ch->chan->band) {
330 case IEEE80211_BAND_2GHZ:
331 ch_inf.band = BRCMU_CHAN_BAND_2G;
332 break;
333 case IEEE80211_BAND_5GHZ:
334 ch_inf.band = BRCMU_CHAN_BAND_5G;
335 break;
336 default:
337 WARN_ON_ONCE(1);
338 }
339 d11inf->encchspec(&ch_inf);
340
341 return ch_inf.chspec;
342}
343
83cf17aa
FL		 344u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
345 struct ieee80211_channel *ch)
6e186166 346{
83cf17aa 347 struct brcmu_chan ch_inf;
6e186166 348
83cf17aa
FL		 349 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
350 ch_inf.bw = BRCMU_CHAN_BW_20;
351 d11inf->encchspec(&ch_inf);
6e186166 352
83cf17aa 353 return ch_inf.chspec;
6e186166
AS		 354}
355
89286dc9
HM		 356/* Traverse a string of 1-byte tag/1-byte length/variable-length value
357 * triples, returning a pointer to the substring whose first element
358 * matches tag
359 */
4b5800fe
JB		 360const struct brcmf_tlv *
361brcmf_parse_tlvs(const void *buf, int buflen, uint key)
89286dc9 362{
4b5800fe
JB		 363 const struct brcmf_tlv *elt = buf;
364 int totlen = buflen;
89286dc9
HM		 365
366 /* find tagged parameter */
367 while (totlen >= TLV_HDR_LEN) {
368 int len = elt->len;
369
370 /* validate remaining totlen */
371 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
372 return elt;
373
374 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
375 totlen -= (len + TLV_HDR_LEN);
376 }
377
378 return NULL;
379}
380
381/* Is any of the tlvs the expected entry? If
382 * not update the tlvs buffer pointer/length.
383 */
384static bool
4b5800fe
JB		 385brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
386 const u8 *oui, u32 oui_len, u8 type)
89286dc9
HM		 387{
388 /* If the contents match the OUI and the type */
389 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
390 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
391 type == ie[TLV_BODY_OFF + oui_len]) {
392 return true;
393 }
394
395 if (tlvs == NULL)
396 return false;
397 /* point to the next ie */
398 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
399 /* calculate the length of the rest of the buffer */
400 *tlvs_len -= (int)(ie - *tlvs);
401 /* update the pointer to the start of the buffer */
402 *tlvs = ie;
403
404 return false;
405}
406
407static struct brcmf_vs_tlv *
4b5800fe 408brcmf_find_wpaie(const u8 *parse, u32 len)
89286dc9 409{
4b5800fe 410 const struct brcmf_tlv *ie;
89286dc9
HM		 411
412 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
4b5800fe 413 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
89286dc9
HM		 414 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
415 return (struct brcmf_vs_tlv *)ie;
416 }
417 return NULL;
418}
419
420static struct brcmf_vs_tlv *
4b5800fe 421brcmf_find_wpsie(const u8 *parse, u32 len)
89286dc9 422{
4b5800fe 423 const struct brcmf_tlv *ie;
89286dc9
HM		 424
425 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
426 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
427 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
428 return (struct brcmf_vs_tlv *)ie;
429 }
430 return NULL;
431}
432
433
5b435de0
AS		 434static void convert_key_from_CPU(struct brcmf_wsec_key *key,
435 struct brcmf_wsec_key_le *key_le)
436{
437 key_le->index = cpu_to_le32(key->index);
438 key_le->len = cpu_to_le32(key->len);
439 key_le->algo = cpu_to_le32(key->algo);
440 key_le->flags = cpu_to_le32(key->flags);
441 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
442 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
443 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
444 memcpy(key_le->data, key->data, sizeof(key->data));
445 memcpy(key_le->ea, key->ea, sizeof(key->ea));
446}
447
f09d0c02 448static int
2eaba7e8 449send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key)
5b435de0
AS		 450{
451 int err;
452 struct brcmf_wsec_key_le key_le;
453
454 convert_key_from_CPU(key, &key_le);
f09d0c02 455
81f5dcb8
HM		 456 brcmf_netdev_wait_pend8021x(ndev);
457
ac24be6f 458 err = brcmf_fil_bsscfg_data_set(netdev_priv(ndev), "wsec_key", &key_le,
81f5dcb8 459 sizeof(key_le));
f09d0c02 460
5b435de0 461 if (err)
57d6e91a 462 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 463 return err;
464}
465
b3657453
HM		 466static s32
467brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
468{
469 s32 err;
470 u32 mode;
471
472 if (enable)
473 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
474 else
475 mode = 0;
476
477 /* Try to set and enable ARP offload feature, this may fail, then it */
478 /* is simply not supported and err 0 will be returned */
479 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
480 if (err) {
481 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
482 mode, err);
483 err = 0;
484 } else {
485 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
486 if (err) {
487 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
488 enable, err);
489 err = 0;
490 } else
491 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
492 enable, mode);
493 }
494
495 return err;
496}
497
8851cce0
HM		 498static void
499brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
500{
8f2b4597
AS		 501 struct brcmf_cfg80211_vif *vif;
502 struct brcmf_if *ifp;
503
504 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
505 ifp = vif->ifp;
8851cce0
HM		 506
507 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
508 (wdev->iftype == NL80211_IFTYPE_AP) ||
509 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
510 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
511 ADDR_DIRECT);
512 else
513 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
514 ADDR_INDIRECT);
515}
516
967fe2c8
AS		 517static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
518{
519 enum nl80211_iftype iftype;
520
521 iftype = vif->wdev.iftype;
522 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
523}
524
525static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
526{
527 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
528}
529
9f440b7b
AS		 530static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
531 const char *name,
532 enum nl80211_iftype type,
533 u32 *flags,
534 struct vif_params *params)
535{
8851cce0
HM		 536 struct wireless_dev *wdev;
537
9f440b7b
AS		 538 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
539 switch (type) {
540 case NL80211_IFTYPE_ADHOC:
541 case NL80211_IFTYPE_STATION:
542 case NL80211_IFTYPE_AP:
543 case NL80211_IFTYPE_AP_VLAN:
544 case NL80211_IFTYPE_WDS:
545 case NL80211_IFTYPE_MONITOR:
546 case NL80211_IFTYPE_MESH_POINT:
547 return ERR_PTR(-EOPNOTSUPP);
548 case NL80211_IFTYPE_P2P_CLIENT:
549 case NL80211_IFTYPE_P2P_GO:
27f10e38 550 case NL80211_IFTYPE_P2P_DEVICE:
8851cce0
HM		 551 wdev = brcmf_p2p_add_vif(wiphy, name, type, flags, params);
552 if (!IS_ERR(wdev))
553 brcmf_cfg80211_update_proto_addr_mode(wdev);
554 return wdev;
9f440b7b 555 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 556 default:
557 return ERR_PTR(-EINVAL);
558 }
559}
560
5e787f75
DK		 561static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
562{
c08437b4 563 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
5e787f75
DK		 564 brcmf_set_mpc(ifp, mpc);
565}
566
f96aa07e 567void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
5f4f9f11 568{
5f4f9f11
AS		 569 s32 err = 0;
570
571 if (check_vif_up(ifp->vif)) {
572 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
573 if (err) {
574 brcmf_err("fail to set mpc\n");
575 return;
576 }
577 brcmf_dbg(INFO, "MPC : %d\n", mpc);
578 }
579}
580
a0f472ac
AS		 581s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
582 struct brcmf_if *ifp, bool aborted,
583 bool fw_abort)
5f4f9f11
AS		 584{
585 struct brcmf_scan_params_le params_le;
586 struct cfg80211_scan_request *scan_request;
587 s32 err = 0;
588
589 brcmf_dbg(SCAN, "Enter\n");
590
591 /* clear scan request, because the FW abort can cause a second call */
592 /* to this functon and might cause a double cfg80211_scan_done */
593 scan_request = cfg->scan_request;
594 cfg->scan_request = NULL;
595
596 if (timer_pending(&cfg->escan_timeout))
597 del_timer_sync(&cfg->escan_timeout);
598
599 if (fw_abort) {
600 /* Do a scan abort to stop the driver's scan engine */
601 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
602 memset(&params_le, 0, sizeof(params_le));
603 memset(params_le.bssid, 0xFF, ETH_ALEN);
604 params_le.bss_type = DOT11_BSSTYPE_ANY;
605 params_le.scan_type = 0;
606 params_le.channel_num = cpu_to_le32(1);
607 params_le.nprobes = cpu_to_le32(1);
608 params_le.active_time = cpu_to_le32(-1);
609 params_le.passive_time = cpu_to_le32(-1);
610 params_le.home_time = cpu_to_le32(-1);
611 /* Scan is aborted by setting channel_list[0] to -1 */
612 params_le.channel_list[0] = cpu_to_le16(-1);
613 /* E-Scan (or anyother type) can be aborted by SCAN */
f96aa07e 614 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
5f4f9f11
AS		 615 &params_le, sizeof(params_le));
616 if (err)
617 brcmf_err("Scan abort failed\n");
618 }
0f0fe990 619
5e787f75 620 brcmf_scan_config_mpc(ifp, 1);
0f0fe990 621
5f4f9f11
AS		 622 /*
623 * e-scan can be initiated by scheduled scan
624 * which takes precedence.
625 */
626 if (cfg->sched_escan) {
627 brcmf_dbg(SCAN, "scheduled scan completed\n");
628 cfg->sched_escan = false;
629 if (!aborted)
630 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
5f4f9f11
AS		 631 } else if (scan_request) {
632 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
633 aborted ? "Aborted" : "Done");
634 cfg80211_scan_done(scan_request, aborted);
5f4f9f11 635 }
6eda4e2c
HM		 636 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
637 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
5f4f9f11
AS		 638
639 return err;
640}
641
9f440b7b
AS		 642static
643int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
644{
5f4f9f11
AS		 645 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
646 struct net_device *ndev = wdev->netdev;
647
648 /* vif event pending in firmware */
649 if (brcmf_cfg80211_vif_event_armed(cfg))
650 return -EBUSY;
651
652 if (ndev) {
653 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
a0f472ac
AS		 654 cfg->escan_info.ifp == netdev_priv(ndev))
655 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
656 true, true);
5f4f9f11
AS		 657
658 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
659 }
660
9f440b7b
AS		 661 switch (wdev->iftype) {
662 case NL80211_IFTYPE_ADHOC:
663 case NL80211_IFTYPE_STATION:
664 case NL80211_IFTYPE_AP:
665 case NL80211_IFTYPE_AP_VLAN:
666 case NL80211_IFTYPE_WDS:
667 case NL80211_IFTYPE_MONITOR:
668 case NL80211_IFTYPE_MESH_POINT:
669 return -EOPNOTSUPP;
670 case NL80211_IFTYPE_P2P_CLIENT:
671 case NL80211_IFTYPE_P2P_GO:
27f10e38 672 case NL80211_IFTYPE_P2P_DEVICE:
9f440b7b
AS		 673 return brcmf_p2p_del_vif(wiphy, wdev);
674 case NL80211_IFTYPE_UNSPECIFIED:
9f440b7b
AS		 675 default:
676 return -EINVAL;
677 }
678 return -EOPNOTSUPP;
679}
680
5b435de0
AS		 681static s32
682brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
683 enum nl80211_iftype type, u32 *flags,
684 struct vif_params *params)
685{
7a5c1f64 686 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
c1179033 687 struct brcmf_if *ifp = netdev_priv(ndev);
128ce3b6 688 struct brcmf_cfg80211_vif *vif = ifp->vif;
5b435de0 689 s32 infra = 0;
1a873342 690 s32 ap = 0;
5b435de0
AS		 691 s32 err = 0;
692
d96b801f 693 brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
5b435de0
AS		 694
695 switch (type) {
696 case NL80211_IFTYPE_MONITOR:
697 case NL80211_IFTYPE_WDS:
57d6e91a
AS		 698 brcmf_err("type (%d) : currently we do not support this type\n",
699 type);
5b435de0
AS		 700 return -EOPNOTSUPP;
701 case NL80211_IFTYPE_ADHOC:
5b435de0
AS		 702 infra = 0;
703 break;
704 case NL80211_IFTYPE_STATION:
1bc7c654
HM		 705 /* Ignore change for p2p IF. Unclear why supplicant does this */
706 if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
707 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
708 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
709 /* WAR: It is unexpected to get a change of VIF for P2P
710 * IF, but it happens. The request can not be handled
711 * but returning EPERM causes a crash. Returning 0
712 * without setting ieee80211_ptr->iftype causes trace
713 * (WARN_ON) but it works with wpa_supplicant
714 */
715 return 0;
716 }
5b435de0
AS		 717 infra = 1;
718 break;
1a873342 719 case NL80211_IFTYPE_AP:
7a5c1f64 720 case NL80211_IFTYPE_P2P_GO:
1a873342
HM		 721 ap = 1;
722 break;
5b435de0
AS		 723 default:
724 err = -EINVAL;
725 goto done;
726 }
727
1a873342 728 if (ap) {
7a5c1f64
HM		 729 if (type == NL80211_IFTYPE_P2P_GO) {
730 brcmf_dbg(INFO, "IF Type = P2P GO\n");
731 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
732 }
733 if (!err) {
734 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
735 brcmf_dbg(INFO, "IF Type = AP\n");
736 }
5b435de0 737 } else {
128ce3b6 738 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
1a873342 739 if (err) {
57d6e91a 740 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
1a873342
HM		 741 err = -EAGAIN;
742 goto done;
743 }
967fe2c8 744 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
647c9ae0 745 "Adhoc" : "Infra");
5b435de0 746 }
1a873342 747 ndev->ieee80211_ptr->iftype = type;
5b435de0 748
8851cce0
HM		 749 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
750
5b435de0 751done:
d96b801f 752 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 753
754 return err;
755}
756
83cf17aa
FL		 757static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
758 struct brcmf_scan_params_le *params_le,
e756af5b
HM		 759 struct cfg80211_scan_request *request)
760{
761 u32 n_ssids;
762 u32 n_channels;
763 s32 i;
764 s32 offset;
029591f3 765 u16 chanspec;
e756af5b 766 char *ptr;
029591f3 767 struct brcmf_ssid_le ssid_le;
e756af5b 768
ba40d166 769 memset(params_le->bssid, 0xFF, ETH_ALEN);
e756af5b
HM		 770 params_le->bss_type = DOT11_BSSTYPE_ANY;
771 params_le->scan_type = 0;
772 params_le->channel_num = 0;
773 params_le->nprobes = cpu_to_le32(-1);
774 params_le->active_time = cpu_to_le32(-1);
775 params_le->passive_time = cpu_to_le32(-1);
776 params_le->home_time = cpu_to_le32(-1);
777 memset(&params_le->ssid_le, 0, sizeof(params_le->ssid_le));
778
779 /* if request is null exit so it will be all channel broadcast scan */
780 if (!request)
781 return;
782
783 n_ssids = request->n_ssids;
784 n_channels = request->n_channels;
785 /* Copy channel array if applicable */
4e8a008e
AS		 786 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
787 n_channels);
e756af5b
HM		 788 if (n_channels > 0) {
789 for (i = 0; i < n_channels; i++) {
83cf17aa
FL		 790 chanspec = channel_to_chanspec(&cfg->d11inf,
791 request->channels[i]);
4e8a008e
AS		 792 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
793 request->channels[i]->hw_value, chanspec);
029591f3 794 params_le->channel_list[i] = cpu_to_le16(chanspec);
e756af5b
HM		 795 }
796 } else {
4e8a008e 797 brcmf_dbg(SCAN, "Scanning all channels\n");
e756af5b
HM		 798 }
799 /* Copy ssid array if applicable */
4e8a008e 800 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
e756af5b
HM		 801 if (n_ssids > 0) {
802 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
803 n_channels * sizeof(u16);
804 offset = roundup(offset, sizeof(u32));
805 ptr = (char *)params_le + offset;
806 for (i = 0; i < n_ssids; i++) {
029591f3
AS		 807 memset(&ssid_le, 0, sizeof(ssid_le));
808 ssid_le.SSID_len =
809 cpu_to_le32(request->ssids[i].ssid_len);
810 memcpy(ssid_le.SSID, request->ssids[i].ssid,
811 request->ssids[i].ssid_len);
812 if (!ssid_le.SSID_len)
4e8a008e 813 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
e756af5b 814 else
4e8a008e
AS		 815 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
816 i, ssid_le.SSID, ssid_le.SSID_len);
029591f3
AS		 817 memcpy(ptr, &ssid_le, sizeof(ssid_le));
818 ptr += sizeof(ssid_le);
e756af5b
HM		 819 }
820 } else {
4e8a008e 821 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
e756af5b 822 if ((request->ssids) && request->ssids->ssid_len) {
4e8a008e
AS		 823 brcmf_dbg(SCAN, "SSID %s len=%d\n",
824 params_le->ssid_le.SSID,
825 request->ssids->ssid_len);
e756af5b
HM		 826 params_le->ssid_le.SSID_len =
827 cpu_to_le32(request->ssids->ssid_len);
828 memcpy(&params_le->ssid_le.SSID, request->ssids->ssid,
829 request->ssids->ssid_len);
830 }
831 }
832 /* Adding mask to channel numbers */
833 params_le->channel_num =
834 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
835 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
836}
837
e756af5b 838static s32
a0f472ac 839brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
e756af5b
HM		 840 struct cfg80211_scan_request *request, u16 action)
841{
842 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
843 offsetof(struct brcmf_escan_params_le, params_le);
844 struct brcmf_escan_params_le *params;
845 s32 err = 0;
846
4e8a008e 847 brcmf_dbg(SCAN, "E-SCAN START\n");
e756af5b
HM		 848
849 if (request != NULL) {
850 /* Allocate space for populating ssids in struct */
851 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
852
853 /* Allocate space for populating ssids in struct */
854 params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
855 }
856
857 params = kzalloc(params_size, GFP_KERNEL);
858 if (!params) {
859 err = -ENOMEM;
860 goto exit;
861 }
862 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
83cf17aa 863 brcmf_escan_prep(cfg, &params->params_le, request);
e756af5b
HM		 864 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
865 params->action = cpu_to_le16(action);
866 params->sync_id = cpu_to_le16(0x1234);
867
a0f472ac 868 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
e756af5b
HM		 869 if (err) {
870 if (err == -EBUSY)
647c9ae0 871 brcmf_dbg(INFO, "system busy : escan canceled\n");
e756af5b 872 else
57d6e91a 873 brcmf_err("error (%d)\n", err);
e756af5b
HM		 874 }
875
876 kfree(params);
877exit:
878 return err;
879}
880
881static s32
27a68fe3 882brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
a0f472ac 883 struct brcmf_if *ifp, struct cfg80211_scan_request *request)
e756af5b
HM		 884{
885 s32 err;
81f5dcb8 886 u32 passive_scan;
e756af5b 887 struct brcmf_scan_results *results;
9f440b7b 888 struct escan_info *escan = &cfg->escan_info;
e756af5b 889
4e8a008e 890 brcmf_dbg(SCAN, "Enter\n");
a0f472ac 891 escan->ifp = ifp;
9f440b7b
AS		 892 escan->wiphy = wiphy;
893 escan->escan_state = WL_ESCAN_STATE_SCANNING;
81f5dcb8 894 passive_scan = cfg->active_scan ? 0 : 1;
f96aa07e 895 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 896 passive_scan);
e756af5b 897 if (err) {
57d6e91a 898 brcmf_err("error (%d)\n", err);
e756af5b
HM		 899 return err;
900 }
5e787f75 901 brcmf_scan_config_mpc(ifp, 0);
27a68fe3 902 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
e756af5b
HM		 903 results->version = 0;
904 results->count = 0;
905 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
906
a0f472ac 907 err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
e756af5b 908 if (err)
5e787f75 909 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 910 return err;
911}
912
913static s32
a0f472ac 914brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
e756af5b
HM		 915 struct cfg80211_scan_request *request,
916 struct cfg80211_ssid *this_ssid)
917{
a0f472ac
AS		 918 struct brcmf_if *ifp = vif->ifp;
919 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e756af5b 920 struct cfg80211_ssid *ssids;
f0799895 921 struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
81f5dcb8 922 u32 passive_scan;
e756af5b
HM		 923 bool escan_req;
924 bool spec_scan;
925 s32 err;
926 u32 SSID_len;
927
4e8a008e 928 brcmf_dbg(SCAN, "START ESCAN\n");
e756af5b 929
c1179033 930 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 931 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e756af5b
HM		 932 return -EAGAIN;
933 }
c1179033 934 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
57d6e91a
AS		 935 brcmf_err("Scanning being aborted: status (%lu)\n",
936 cfg->scan_status);
e756af5b
HM		 937 return -EAGAIN;
938 }
1687eee2
AS		 939 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
940 brcmf_err("Scanning suppressed: status (%lu)\n",
941 cfg->scan_status);
942 return -EAGAIN;
943 }
c1179033 944 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
57d6e91a 945 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
e756af5b
HM		 946 return -EAGAIN;
947 }
948
0f8ffe17 949 /* If scan req comes for p2p0, send it over primary I/F */
a0f472ac
AS		 950 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
951 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
0f8ffe17 952
e756af5b 953 /* Arm scan timeout timer */
27a68fe3 954 mod_timer(&cfg->escan_timeout, jiffies +
e756af5b
HM		 955 WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
956
957 escan_req = false;
958 if (request) {
959 /* scan bss */
960 ssids = request->ssids;
961 escan_req = true;
962 } else {
963 /* scan in ibss */
964 /* we don't do escan in ibss */
965 ssids = this_ssid;
966 }
967
27a68fe3 968 cfg->scan_request = request;
c1179033 969 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e756af5b 970 if (escan_req) {
9f440b7b 971 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 972 err = brcmf_p2p_scan_prep(wiphy, request, vif);
9f440b7b
AS		 973 if (err)
974 goto scan_out;
975
a0f472ac 976 err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
2cb941c0 977 if (err)
e756af5b
HM		 978 goto scan_out;
979 } else {
4e8a008e
AS		 980 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
981 ssids->ssid, ssids->ssid_len);
e756af5b
HM		 982 memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
983 SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
984 sr->ssid_le.SSID_len = cpu_to_le32(0);
985 spec_scan = false;
986 if (SSID_len) {
987 memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
988 sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
989 spec_scan = true;
990 } else
4e8a008e 991 brcmf_dbg(SCAN, "Broadcast scan\n");
e756af5b 992
81f5dcb8 993 passive_scan = cfg->active_scan ? 0 : 1;
c1179033 994 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 995 passive_scan);
e756af5b 996 if (err) {
57d6e91a 997 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
e756af5b
HM		 998 goto scan_out;
999 }
5e787f75 1000 brcmf_scan_config_mpc(ifp, 0);
c1179033 1001 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
ac24be6f 1002 &sr->ssid_le, sizeof(sr->ssid_le));
e756af5b
HM		 1003 if (err) {
1004 if (err == -EBUSY)
647c9ae0
AS		 1005 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
1006 sr->ssid_le.SSID);
e756af5b 1007 else
57d6e91a 1008 brcmf_err("WLC_SCAN error (%d)\n", err);
e756af5b 1009
5e787f75 1010 brcmf_scan_config_mpc(ifp, 1);
e756af5b
HM		 1011 goto scan_out;
1012 }
1013 }
1014
1015 return 0;
1016
1017scan_out:
c1179033 1018 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
27a68fe3
AS		 1019 if (timer_pending(&cfg->escan_timeout))
1020 del_timer_sync(&cfg->escan_timeout);
1021 cfg->scan_request = NULL;
e756af5b
HM		 1022 return err;
1023}
1024
5b435de0 1025static s32
0abb5f21 1026brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
5b435de0 1027{
a0f472ac 1028 struct brcmf_cfg80211_vif *vif;
5b435de0
AS		 1029 s32 err = 0;
1030
d96b801f 1031 brcmf_dbg(TRACE, "Enter\n");
a0f472ac
AS		 1032 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1033 if (!check_vif_up(vif))
5b435de0
AS		 1034 return -EIO;
1035
a0f472ac 1036 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
e756af5b 1037
5b435de0 1038 if (err)
57d6e91a 1039 brcmf_err("scan error (%d)\n", err);
5b435de0 1040
d96b801f 1041 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1042 return err;
1043}
1044
1045static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1046{
1047 s32 err = 0;
1048
ac24be6f
AS		 1049 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1050 rts_threshold);
5b435de0 1051 if (err)
57d6e91a 1052 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1053
1054 return err;
1055}
1056
1057static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1058{
1059 s32 err = 0;
1060
ac24be6f
AS		 1061 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1062 frag_threshold);
5b435de0 1063 if (err)
57d6e91a 1064 brcmf_err("Error (%d)\n", err);
5b435de0
AS		 1065
1066 return err;
1067}
1068
1069static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1070{
1071 s32 err = 0;
b87e2c48 1072 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
5b435de0 1073
ac24be6f 1074 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
5b435de0 1075 if (err) {
57d6e91a 1076 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
5b435de0
AS		 1077 return err;
1078 }
1079 return err;
1080}
1081
1082static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1083{
27a68fe3
AS		 1084 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1085 struct net_device *ndev = cfg_to_ndev(cfg);
0abb5f21 1086 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1087 s32 err = 0;
1088
d96b801f 1089 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1090 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1091 return -EIO;
1092
1093 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
27a68fe3
AS		 1094 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1095 cfg->conf->rts_threshold = wiphy->rts_threshold;
1096 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
5b435de0
AS		 1097 if (!err)
1098 goto done;
1099 }
1100 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
27a68fe3
AS		 1101 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1102 cfg->conf->frag_threshold = wiphy->frag_threshold;
1103 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
5b435de0
AS		 1104 if (!err)
1105 goto done;
1106 }
1107 if (changed & WIPHY_PARAM_RETRY_LONG
27a68fe3
AS		 1108 && (cfg->conf->retry_long != wiphy->retry_long)) {
1109 cfg->conf->retry_long = wiphy->retry_long;
1110 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
5b435de0
AS		 1111 if (!err)
1112 goto done;
1113 }
1114 if (changed & WIPHY_PARAM_RETRY_SHORT
27a68fe3
AS		 1115 && (cfg->conf->retry_short != wiphy->retry_short)) {
1116 cfg->conf->retry_short = wiphy->retry_short;
1117 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
5b435de0
AS		 1118 if (!err)
1119 goto done;
1120 }
1121
1122done:
d96b801f 1123 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1124 return err;
1125}
1126
5b435de0
AS		 1127static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1128{
1129 memset(prof, 0, sizeof(*prof));
1130}
1131
903e0eee 1132static void brcmf_link_down(struct brcmf_cfg80211_vif *vif)
5b435de0 1133{
61730d4d 1134 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
5b435de0
AS		 1135 s32 err = 0;
1136
d96b801f 1137 brcmf_dbg(TRACE, "Enter\n");
5b435de0 1138
903e0eee 1139 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
647c9ae0 1140 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
903e0eee 1141 err = brcmf_fil_cmd_data_set(vif->ifp,
ac24be6f 1142 BRCMF_C_DISASSOC, NULL, 0);
a538ae31 1143 if (err) {
57d6e91a 1144 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
a538ae31 1145 }
903e0eee 1146 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state);
43dffbc6
AS		 1147 cfg80211_disconnected(vif->wdev.netdev, 0, NULL, 0, GFP_KERNEL);
1148
5b435de0 1149 }
903e0eee 1150 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
61730d4d
PH		 1151 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1152 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
d96b801f 1153 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1154}
1155
1156static s32
1157brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1158 struct cfg80211_ibss_params *params)
1159{
27a68fe3 1160 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1161 struct brcmf_if *ifp = netdev_priv(ndev);
1162 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1163 struct brcmf_join_params join_params;
1164 size_t join_params_size = 0;
1165 s32 err = 0;
1166 s32 wsec = 0;
1167 s32 bcnprd;
1701261d 1168 u16 chanspec;
5b435de0 1169
d96b801f 1170 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1171 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1172 return -EIO;
1173
1174 if (params->ssid)
16886735 1175 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
5b435de0 1176 else {
16886735 1177 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
5b435de0
AS		 1178 return -EOPNOTSUPP;
1179 }
1180
c1179033 1181 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1182
1183 if (params->bssid)
16886735 1184 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
5b435de0 1185 else
16886735 1186 brcmf_dbg(CONN, "No BSSID specified\n");
5b435de0 1187
683b6d3b 1188 if (params->chandef.chan)
16886735
AS		 1189 brcmf_dbg(CONN, "channel: %d\n",
1190 params->chandef.chan->center_freq);
5b435de0 1191 else
16886735 1192 brcmf_dbg(CONN, "no channel specified\n");
5b435de0
AS		 1193
1194 if (params->channel_fixed)
16886735 1195 brcmf_dbg(CONN, "fixed channel required\n");
5b435de0 1196 else
16886735 1197 brcmf_dbg(CONN, "no fixed channel required\n");
5b435de0
AS		 1198
1199 if (params->ie && params->ie_len)
16886735 1200 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
5b435de0 1201 else
16886735 1202 brcmf_dbg(CONN, "no ie specified\n");
5b435de0
AS		 1203
1204 if (params->beacon_interval)
16886735
AS		 1205 brcmf_dbg(CONN, "beacon interval: %d\n",
1206 params->beacon_interval);
5b435de0 1207 else
16886735 1208 brcmf_dbg(CONN, "no beacon interval specified\n");
5b435de0
AS		 1209
1210 if (params->basic_rates)
16886735 1211 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
5b435de0 1212 else
16886735 1213 brcmf_dbg(CONN, "no basic rates specified\n");
5b435de0
AS		 1214
1215 if (params->privacy)
16886735 1216 brcmf_dbg(CONN, "privacy required\n");
5b435de0 1217 else
16886735 1218 brcmf_dbg(CONN, "no privacy required\n");
5b435de0
AS		 1219
1220 /* Configure Privacy for starter */
1221 if (params->privacy)
1222 wsec |= WEP_ENABLED;
1223
c1179033 1224 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
5b435de0 1225 if (err) {
57d6e91a 1226 brcmf_err("wsec failed (%d)\n", err);
5b435de0
AS		 1227 goto done;
1228 }
1229
1230 /* Configure Beacon Interval for starter */
1231 if (params->beacon_interval)
1232 bcnprd = params->beacon_interval;
1233 else
1234 bcnprd = 100;
1235
b87e2c48 1236 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
5b435de0 1237 if (err) {
57d6e91a 1238 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
5b435de0
AS		 1239 goto done;
1240 }
1241
1242 /* Configure required join parameter */
1243 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1244
1245 /* SSID */
6c8c4f72
AS		 1246 profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
1247 memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
1248 memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
1249 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1250 join_params_size = sizeof(join_params.ssid_le);
5b435de0
AS		 1251
1252 /* BSSID */
1253 if (params->bssid) {
1254 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1255 join_params_size = sizeof(join_params.ssid_le) +
1256 BRCMF_ASSOC_PARAMS_FIXED_SIZE;
6c8c4f72 1257 memcpy(profile->bssid, params->bssid, ETH_ALEN);
5b435de0 1258 } else {
ba40d166 1259 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
6c8c4f72 1260 memset(profile->bssid, 0, ETH_ALEN);
5b435de0
AS		 1261 }
1262
5b435de0 1263 /* Channel */
683b6d3b 1264 if (params->chandef.chan) {
5b435de0
AS		 1265 u32 target_channel;
1266
27a68fe3 1267 cfg->channel =
5b435de0 1268 ieee80211_frequency_to_channel(
683b6d3b 1269 params->chandef.chan->center_freq);
5b435de0
AS		 1270 if (params->channel_fixed) {
1271 /* adding chanspec */
600a897d
AS		 1272 chanspec = chandef_to_chanspec(&cfg->d11inf,
1273 &params->chandef);
1701261d
HM		 1274 join_params.params_le.chanspec_list[0] =
1275 cpu_to_le16(chanspec);
1276 join_params.params_le.chanspec_num = cpu_to_le32(1);
1277 join_params_size += sizeof(join_params.params_le);
5b435de0
AS		 1278 }
1279
1280 /* set channel for starter */
27a68fe3 1281 target_channel = cfg->channel;
b87e2c48 1282 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
81f5dcb8 1283 target_channel);
5b435de0 1284 if (err) {
57d6e91a 1285 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
5b435de0
AS		 1286 goto done;
1287 }
1288 } else
27a68fe3 1289 cfg->channel = 0;
5b435de0 1290
27a68fe3 1291 cfg->ibss_starter = false;
5b435de0
AS		 1292
1293
c1179033 1294 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1295 &join_params, join_params_size);
5b435de0 1296 if (err) {
57d6e91a 1297 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1298 goto done;
1299 }
1300
1301done:
1302 if (err)
c1179033 1303 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1304 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1305 return err;
1306}
1307
1308static s32
1309brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1310{
0abb5f21 1311 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 1312
d96b801f 1313 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1314 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1315 return -EIO;
1316
903e0eee 1317 brcmf_link_down(ifp->vif);
5b435de0 1318
d96b801f 1319 brcmf_dbg(TRACE, "Exit\n");
5b435de0 1320
12f32370 1321 return 0;
5b435de0
AS		 1322}
1323
1324static s32 brcmf_set_wpa_version(struct net_device *ndev,
1325 struct cfg80211_connect_params *sme)
1326{
6ac4f4ed 1327 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1328 struct brcmf_cfg80211_security *sec;
1329 s32 val = 0;
1330 s32 err = 0;
1331
1332 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1333 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1334 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1335 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1336 else
1337 val = WPA_AUTH_DISABLED;
16886735 1338 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
89286dc9 1339 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
5b435de0 1340 if (err) {
57d6e91a 1341 brcmf_err("set wpa_auth failed (%d)\n", err);
5b435de0
AS		 1342 return err;
1343 }
06bb123e 1344 sec = &profile->sec;
5b435de0
AS		 1345 sec->wpa_versions = sme->crypto.wpa_versions;
1346 return err;
1347}
1348
1349static s32 brcmf_set_auth_type(struct net_device *ndev,
1350 struct cfg80211_connect_params *sme)
1351{
6ac4f4ed 1352 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1353 struct brcmf_cfg80211_security *sec;
1354 s32 val = 0;
1355 s32 err = 0;
1356
1357 switch (sme->auth_type) {
1358 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1359 val = 0;
16886735 1360 brcmf_dbg(CONN, "open system\n");
5b435de0
AS		 1361 break;
1362 case NL80211_AUTHTYPE_SHARED_KEY:
1363 val = 1;
16886735 1364 brcmf_dbg(CONN, "shared key\n");
5b435de0
AS		 1365 break;
1366 case NL80211_AUTHTYPE_AUTOMATIC:
1367 val = 2;
16886735 1368 brcmf_dbg(CONN, "automatic\n");
5b435de0
AS		 1369 break;
1370 case NL80211_AUTHTYPE_NETWORK_EAP:
16886735 1371 brcmf_dbg(CONN, "network eap\n");
5b435de0
AS		 1372 default:
1373 val = 2;
57d6e91a 1374 brcmf_err("invalid auth type (%d)\n", sme->auth_type);
5b435de0
AS		 1375 break;
1376 }
1377
89286dc9 1378 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
5b435de0 1379 if (err) {
57d6e91a 1380 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1381 return err;
1382 }
06bb123e 1383 sec = &profile->sec;
5b435de0
AS		 1384 sec->auth_type = sme->auth_type;
1385 return err;
1386}
1387
1388static s32
87b7e9e2
DK		 1389brcmf_set_wsec_mode(struct net_device *ndev,
1390 struct cfg80211_connect_params *sme, bool mfp)
5b435de0 1391{
6ac4f4ed 1392 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1393 struct brcmf_cfg80211_security *sec;
1394 s32 pval = 0;
1395 s32 gval = 0;
87b7e9e2 1396 s32 wsec;
5b435de0
AS		 1397 s32 err = 0;
1398
1399 if (sme->crypto.n_ciphers_pairwise) {
1400 switch (sme->crypto.ciphers_pairwise[0]) {
1401 case WLAN_CIPHER_SUITE_WEP40:
1402 case WLAN_CIPHER_SUITE_WEP104:
1403 pval = WEP_ENABLED;
1404 break;
1405 case WLAN_CIPHER_SUITE_TKIP:
1406 pval = TKIP_ENABLED;
1407 break;
1408 case WLAN_CIPHER_SUITE_CCMP:
1409 pval = AES_ENABLED;
1410 break;
1411 case WLAN_CIPHER_SUITE_AES_CMAC:
1412 pval = AES_ENABLED;
1413 break;
1414 default:
57d6e91a
AS		 1415 brcmf_err("invalid cipher pairwise (%d)\n",
1416 sme->crypto.ciphers_pairwise[0]);
5b435de0
AS		 1417 return -EINVAL;
1418 }
1419 }
1420 if (sme->crypto.cipher_group) {
1421 switch (sme->crypto.cipher_group) {
1422 case WLAN_CIPHER_SUITE_WEP40:
1423 case WLAN_CIPHER_SUITE_WEP104:
1424 gval = WEP_ENABLED;
1425 break;
1426 case WLAN_CIPHER_SUITE_TKIP:
1427 gval = TKIP_ENABLED;
1428 break;
1429 case WLAN_CIPHER_SUITE_CCMP:
1430 gval = AES_ENABLED;
1431 break;
1432 case WLAN_CIPHER_SUITE_AES_CMAC:
1433 gval = AES_ENABLED;
1434 break;
1435 default:
57d6e91a
AS		 1436 brcmf_err("invalid cipher group (%d)\n",
1437 sme->crypto.cipher_group);
5b435de0
AS		 1438 return -EINVAL;
1439 }
1440 }
1441
16886735 1442 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
89286dc9
HM		 1443 /* In case of privacy, but no security and WPS then simulate */
1444 /* setting AES. WPS-2.0 allows no security */
1445 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1446 sme->privacy)
1447 pval = AES_ENABLED;
87b7e9e2
DK		 1448
1449 if (mfp)
1450 wsec = pval | gval | MFP_CAPABLE;
1451 else
1452 wsec = pval | gval;
1453 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
5b435de0 1454 if (err) {
57d6e91a 1455 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1456 return err;
1457 }
1458
06bb123e 1459 sec = &profile->sec;
5b435de0
AS		 1460 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1461 sec->cipher_group = sme->crypto.cipher_group;
1462
1463 return err;
1464}
1465
1466static s32
1467brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1468{
6ac4f4ed 1469 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1470 struct brcmf_cfg80211_security *sec;
1471 s32 val = 0;
1472 s32 err = 0;
1473
1474 if (sme->crypto.n_akm_suites) {
89286dc9
HM		 1475 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
1476 "wpa_auth", &val);
5b435de0 1477 if (err) {
57d6e91a 1478 brcmf_err("could not get wpa_auth (%d)\n", err);
5b435de0
AS		 1479 return err;
1480 }
1481 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1482 switch (sme->crypto.akm_suites[0]) {
1483 case WLAN_AKM_SUITE_8021X:
1484 val = WPA_AUTH_UNSPECIFIED;
1485 break;
1486 case WLAN_AKM_SUITE_PSK:
1487 val = WPA_AUTH_PSK;
1488 break;
1489 default:
57d6e91a
AS		 1490 brcmf_err("invalid cipher group (%d)\n",
1491 sme->crypto.cipher_group);
5b435de0
AS		 1492 return -EINVAL;
1493 }
1494 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1495 switch (sme->crypto.akm_suites[0]) {
1496 case WLAN_AKM_SUITE_8021X:
1497 val = WPA2_AUTH_UNSPECIFIED;
1498 break;
1499 case WLAN_AKM_SUITE_PSK:
1500 val = WPA2_AUTH_PSK;
1501 break;
1502 default:
57d6e91a
AS		 1503 brcmf_err("invalid cipher group (%d)\n",
1504 sme->crypto.cipher_group);
5b435de0
AS		 1505 return -EINVAL;
1506 }
1507 }
1508
16886735 1509 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
89286dc9
HM		 1510 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
1511 "wpa_auth", val);
5b435de0 1512 if (err) {
57d6e91a 1513 brcmf_err("could not set wpa_auth (%d)\n", err);
5b435de0
AS		 1514 return err;
1515 }
1516 }
06bb123e 1517 sec = &profile->sec;
5b435de0
AS		 1518 sec->wpa_auth = sme->crypto.akm_suites[0];
1519
1520 return err;
1521}
1522
1523static s32
f09d0c02
HM		 1524brcmf_set_sharedkey(struct net_device *ndev,
1525 struct cfg80211_connect_params *sme)
5b435de0 1526{
6ac4f4ed 1527 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1528 struct brcmf_cfg80211_security *sec;
1529 struct brcmf_wsec_key key;
1530 s32 val;
1531 s32 err = 0;
1532
16886735 1533 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
5b435de0 1534
a718e2fe
RV		 1535 if (sme->key_len == 0)
1536 return 0;
1537
06bb123e 1538 sec = &profile->sec;
16886735
AS		 1539 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1540 sec->wpa_versions, sec->cipher_pairwise);
a718e2fe
RV		 1541
1542 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1543 return 0;
1544
f09d0c02
HM		 1545 if (!(sec->cipher_pairwise &
1546 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1547 return 0;
a718e2fe 1548
f09d0c02
HM		 1549 memset(&key, 0, sizeof(key));
1550 key.len = (u32) sme->key_len;
1551 key.index = (u32) sme->key_idx;
1552 if (key.len > sizeof(key.data)) {
57d6e91a 1553 brcmf_err("Too long key length (%u)\n", key.len);
f09d0c02
HM		 1554 return -EINVAL;
1555 }
1556 memcpy(key.data, sme->key, key.len);
1557 key.flags = BRCMF_PRIMARY_KEY;
1558 switch (sec->cipher_pairwise) {
1559 case WLAN_CIPHER_SUITE_WEP40:
1560 key.algo = CRYPTO_ALGO_WEP1;
1561 break;
1562 case WLAN_CIPHER_SUITE_WEP104:
1563 key.algo = CRYPTO_ALGO_WEP128;
1564 break;
1565 default:
57d6e91a
AS		 1566 brcmf_err("Invalid algorithm (%d)\n",
1567 sme->crypto.ciphers_pairwise[0]);
f09d0c02
HM		 1568 return -EINVAL;
1569 }
1570 /* Set the new key/index */
16886735
AS		 1571 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1572 key.len, key.index, key.algo);
1573 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
2eaba7e8 1574 err = send_key_to_dongle(ndev, &key);
f09d0c02
HM		 1575 if (err)
1576 return err;
1577
1578 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
16886735 1579 brcmf_dbg(CONN, "set auth_type to shared key\n");
f09d0c02 1580 val = WL_AUTH_SHARED_KEY; /* shared key */
ac24be6f 1581 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
f09d0c02 1582 if (err)
57d6e91a 1583 brcmf_err("set auth failed (%d)\n", err);
5b435de0
AS		 1584 }
1585 return err;
1586}
1587
cbb1ec94
AS		 1588static
1589enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1590 enum nl80211_auth_type type)
1591{
c08437b4
AS		 1592 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1593 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1594 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1595 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
cbb1ec94
AS		 1596 }
1597 return type;
1598}
1599
5b435de0
AS		 1600static s32
1601brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
cbb1ec94 1602 struct cfg80211_connect_params *sme)
5b435de0 1603{
27a68fe3 1604 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1605 struct brcmf_if *ifp = netdev_priv(ndev);
1606 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1607 struct ieee80211_channel *chan = sme->channel;
1608 struct brcmf_join_params join_params;
1609 size_t join_params_size;
4b5800fe
JB		 1610 const struct brcmf_tlv *rsn_ie;
1611 const struct brcmf_vs_tlv *wpa_ie;
1612 const void *ie;
89286dc9
HM		 1613 u32 ie_len;
1614 struct brcmf_ext_join_params_le *ext_join_params;
1701261d 1615 u16 chanspec;
5b435de0
AS		 1616 s32 err = 0;
1617
d96b801f 1618 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1619 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1620 return -EIO;
1621
1622 if (!sme->ssid) {
57d6e91a 1623 brcmf_err("Invalid ssid\n");
5b435de0
AS		 1624 return -EOPNOTSUPP;
1625 }
1626
89286dc9
HM		 1627 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1628 /* A normal (non P2P) connection request setup. */
1629 ie = NULL;
1630 ie_len = 0;
1631 /* find the WPA_IE */
1632 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1633 if (wpa_ie) {
1634 ie = wpa_ie;
1635 ie_len = wpa_ie->len + TLV_HDR_LEN;
1636 } else {
1637 /* find the RSN_IE */
4b5800fe
JB		 1638 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1639 sme->ie_len,
89286dc9
HM		 1640 WLAN_EID_RSN);
1641 if (rsn_ie) {
1642 ie = rsn_ie;
1643 ie_len = rsn_ie->len + TLV_HDR_LEN;
1644 }
1645 }
1646 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1647 }
1648
1649 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1650 sme->ie, sme->ie_len);
1651 if (err)
1652 brcmf_err("Set Assoc REQ IE Failed\n");
1653 else
1654 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1655
c1179033 1656 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1657
1658 if (chan) {
27a68fe3 1659 cfg->channel =
5b435de0 1660 ieee80211_frequency_to_channel(chan->center_freq);
83cf17aa 1661 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1701261d
HM		 1662 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1663 cfg->channel, chan->center_freq, chanspec);
1664 } else {
27a68fe3 1665 cfg->channel = 0;
1701261d
HM		 1666 chanspec = 0;
1667 }
5b435de0 1668
647c9ae0 1669 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
5b435de0
AS		 1670
1671 err = brcmf_set_wpa_version(ndev, sme);
1672 if (err) {
57d6e91a 1673 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
5b435de0
AS		 1674 goto done;
1675 }
1676
cbb1ec94 1677 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
5b435de0
AS		 1678 err = brcmf_set_auth_type(ndev, sme);
1679 if (err) {
57d6e91a 1680 brcmf_err("wl_set_auth_type failed (%d)\n", err);
5b435de0
AS		 1681 goto done;
1682 }
1683
87b7e9e2 1684 err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
5b435de0 1685 if (err) {
57d6e91a 1686 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
5b435de0
AS		 1687 goto done;
1688 }
1689
1690 err = brcmf_set_key_mgmt(ndev, sme);
1691 if (err) {
57d6e91a 1692 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
5b435de0
AS		 1693 goto done;
1694 }
1695
f09d0c02 1696 err = brcmf_set_sharedkey(ndev, sme);
5b435de0 1697 if (err) {
57d6e91a 1698 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
5b435de0
AS		 1699 goto done;
1700 }
1701
89286dc9
HM		 1702 profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID),
1703 (u32)sme->ssid_len);
1704 memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
1705 if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
1706 profile->ssid.SSID[profile->ssid.SSID_len] = 0;
1707 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID,
1708 profile->ssid.SSID_len);
1709 }
1710
1711 /* Join with specific BSSID and cached SSID
1712 * If SSID is zero join based on BSSID only
1713 */
1714 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1715 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1716 if (cfg->channel)
1717 join_params_size += sizeof(u16);
1718 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1719 if (ext_join_params == NULL) {
1720 err = -ENOMEM;
1721 goto done;
1722 }
1723 ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1724 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid,
1725 profile->ssid.SSID_len);
63dd99e6 1726
89286dc9
HM		 1727 /* Set up join scan parameters */
1728 ext_join_params->scan_le.scan_type = -1;
89286dc9
HM		 1729 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1730
1731 if (sme->bssid)
1732 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1733 else
1734 memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN);
1735
1736 if (cfg->channel) {
1737 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
1738
1739 ext_join_params->assoc_le.chanspec_list[0] =
1740 cpu_to_le16(chanspec);
63dd99e6
HM		 1741 /* Increase dwell time to receive probe response or detect
1742 * beacon from target AP at a noisy air only during connect
1743 * command.
1744 */
1745 ext_join_params->scan_le.active_time =
1746 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
1747 ext_join_params->scan_le.passive_time =
1748 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
1749 /* To sync with presence period of VSDB GO send probe request
1750 * more frequently. Probe request will be stopped when it gets
1751 * probe response from target AP/GO.
1752 */
1753 ext_join_params->scan_le.nprobes =
1754 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
1755 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
1756 } else {
1757 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
1758 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
1759 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
89286dc9
HM		 1760 }
1761
1762 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
1763 join_params_size);
1764 kfree(ext_join_params);
1765 if (!err)
1766 /* This is it. join command worked, we are done */
1767 goto done;
1768
1769 /* join command failed, fallback to set ssid */
5b435de0
AS		 1770 memset(&join_params, 0, sizeof(join_params));
1771 join_params_size = sizeof(join_params.ssid_le);
1772
6c8c4f72 1773 memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
6c8c4f72 1774 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1775
89286dc9
HM		 1776 if (sme->bssid)
1777 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
1778 else
1779 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
5b435de0 1780
1701261d
HM		 1781 if (cfg->channel) {
1782 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
1783 join_params.params_le.chanspec_num = cpu_to_le32(1);
1784 join_params_size += sizeof(join_params.params_le);
1785 }
c1179033 1786 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1787 &join_params, join_params_size);
5b435de0 1788 if (err)
89286dc9 1789 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
5b435de0
AS		 1790
1791done:
1792 if (err)
c1179033 1793 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
d96b801f 1794 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1795 return err;
1796}
1797
1798static s32
1799brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1800 u16 reason_code)
1801{
0abb5f21
AS		 1802 struct brcmf_if *ifp = netdev_priv(ndev);
1803 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1804 struct brcmf_scb_val_le scbval;
1805 s32 err = 0;
1806
d96b801f 1807 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
ce81e317 1808 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1809 return -EIO;
1810
c1179033 1811 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
43dffbc6 1812 cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL);
5b435de0 1813
06bb123e 1814 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
5b435de0 1815 scbval.val = cpu_to_le32(reason_code);
c1179033 1816 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
ac24be6f 1817 &scbval, sizeof(scbval));
5b435de0 1818 if (err)
57d6e91a 1819 brcmf_err("error (%d)\n", err);
5b435de0 1820
d96b801f 1821 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1822 return err;
1823}
1824
1825static s32
c8442118 1826brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
d3f31134 1827 enum nl80211_tx_power_setting type, s32 mbm)
5b435de0
AS		 1828{
1829
27a68fe3 1830 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1831 struct net_device *ndev = cfg_to_ndev(cfg);
1832 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1833 u16 txpwrmw;
1834 s32 err = 0;
1835 s32 disable = 0;
d3f31134 1836 s32 dbm = MBM_TO_DBM(mbm);
5b435de0 1837
d96b801f 1838 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1839 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1840 return -EIO;
1841
1842 switch (type) {
1843 case NL80211_TX_POWER_AUTOMATIC:
1844 break;
1845 case NL80211_TX_POWER_LIMITED:
5b435de0
AS		 1846 case NL80211_TX_POWER_FIXED:
1847 if (dbm < 0) {
57d6e91a 1848 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
5b435de0
AS		 1849 err = -EINVAL;
1850 goto done;
1851 }
1852 break;
1853 }
1854 /* Make sure radio is off or on as far as software is concerned */
1855 disable = WL_RADIO_SW_DISABLE << 16;
ac24be6f 1856 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
5b435de0 1857 if (err)
57d6e91a 1858 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
5b435de0
AS		 1859
1860 if (dbm > 0xffff)
1861 txpwrmw = 0xffff;
1862 else
1863 txpwrmw = (u16) dbm;
ac24be6f
AS		 1864 err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
1865 (s32)brcmf_mw_to_qdbm(txpwrmw));
5b435de0 1866 if (err)
57d6e91a 1867 brcmf_err("qtxpower error (%d)\n", err);
27a68fe3 1868 cfg->conf->tx_power = dbm;
5b435de0
AS		 1869
1870done:
d96b801f 1871 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1872 return err;
1873}
1874
c8442118
JB		 1875static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy,
1876 struct wireless_dev *wdev,
1877 s32 *dbm)
5b435de0 1878{
27a68fe3 1879 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 1880 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5b435de0
AS		 1881 s32 txpwrdbm;
1882 u8 result;
1883 s32 err = 0;
1884
d96b801f 1885 brcmf_dbg(TRACE, "Enter\n");
ce81e317 1886 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1887 return -EIO;
1888
0abb5f21 1889 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
5b435de0 1890 if (err) {
57d6e91a 1891 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1892 goto done;
1893 }
1894
1895 result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
ef6ac17a 1896 *dbm = (s32) brcmf_qdbm_to_mw(result);
5b435de0
AS		 1897
1898done:
d96b801f 1899 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1900 return err;
1901}
1902
1903static s32
1904brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
1905 u8 key_idx, bool unicast, bool multicast)
1906{
0abb5f21 1907 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1908 u32 index;
1909 u32 wsec;
1910 s32 err = 0;
1911
d96b801f 1912 brcmf_dbg(TRACE, "Enter\n");
16886735 1913 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 1914 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1915 return -EIO;
1916
0abb5f21 1917 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 1918 if (err) {
57d6e91a 1919 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 1920 goto done;
1921 }
1922
1923 if (wsec & WEP_ENABLED) {
1924 /* Just select a new current key */
1925 index = key_idx;
0abb5f21 1926 err = brcmf_fil_cmd_int_set(ifp,
ac24be6f 1927 BRCMF_C_SET_KEY_PRIMARY, index);
5b435de0 1928 if (err)
57d6e91a 1929 brcmf_err("error (%d)\n", err);
5b435de0
AS		 1930 }
1931done:
d96b801f 1932 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 1933 return err;
1934}
1935
1936static s32
1937brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
1938 u8 key_idx, const u8 *mac_addr, struct key_params *params)
1939{
992f6068 1940 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 1941 struct brcmf_wsec_key key;
5b435de0 1942 s32 err = 0;
992f6068 1943 u8 keybuf[8];
5b435de0
AS		 1944
1945 memset(&key, 0, sizeof(key));
1946 key.index = (u32) key_idx;
1947 /* Instead of bcast for ea address for default wep keys,
1948 driver needs it to be Null */
1949 if (!is_multicast_ether_addr(mac_addr))
1950 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
1951 key.len = (u32) params->key_len;
1952 /* check for key index change */
1953 if (key.len == 0) {
1954 /* key delete */
2eaba7e8 1955 err = send_key_to_dongle(ndev, &key);
5b435de0 1956 if (err)
57d6e91a 1957 brcmf_err("key delete error (%d)\n", err);
5b435de0
AS		 1958 } else {
1959 if (key.len > sizeof(key.data)) {
57d6e91a 1960 brcmf_err("Invalid key length (%d)\n", key.len);
5b435de0
AS		 1961 return -EINVAL;
1962 }
1963
16886735 1964 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
5b435de0
AS		 1965 memcpy(key.data, params->key, key.len);
1966
967fe2c8 1967 if (!brcmf_is_apmode(ifp->vif) &&
992f6068
HM		 1968 (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
1969 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
5b435de0
AS		 1970 memcpy(keybuf, &key.data[24], sizeof(keybuf));
1971 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
1972 memcpy(&key.data[16], keybuf, sizeof(keybuf));
1973 }
1974
1975 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
1976 if (params->seq && params->seq_len == 6) {
1977 /* rx iv */
1978 u8 *ivptr;
1979 ivptr = (u8 *) params->seq;
1980 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
1981 (ivptr[3] << 8) | ivptr[2];
1982 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
1983 key.iv_initialized = true;
1984 }
1985
1986 switch (params->cipher) {
1987 case WLAN_CIPHER_SUITE_WEP40:
1988 key.algo = CRYPTO_ALGO_WEP1;
16886735 1989 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 1990 break;
1991 case WLAN_CIPHER_SUITE_WEP104:
1992 key.algo = CRYPTO_ALGO_WEP128;
16886735 1993 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 1994 break;
1995 case WLAN_CIPHER_SUITE_TKIP:
1996 key.algo = CRYPTO_ALGO_TKIP;
16886735 1997 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 1998 break;
1999 case WLAN_CIPHER_SUITE_AES_CMAC:
2000 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2001 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2002 break;
2003 case WLAN_CIPHER_SUITE_CCMP:
2004 key.algo = CRYPTO_ALGO_AES_CCM;
16886735 2005 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2006 break;
2007 default:
57d6e91a 2008 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2009 return -EINVAL;
2010 }
2eaba7e8 2011 err = send_key_to_dongle(ndev, &key);
f09d0c02 2012 if (err)
57d6e91a 2013 brcmf_err("wsec_key error (%d)\n", err);
5b435de0
AS		 2014 }
2015 return err;
2016}
2017
2018static s32
2019brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2020 u8 key_idx, bool pairwise, const u8 *mac_addr,
2021 struct key_params *params)
2022{
0abb5f21 2023 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2024 struct brcmf_wsec_key key;
2025 s32 val;
2026 s32 wsec;
2027 s32 err = 0;
2028 u8 keybuf[8];
2029
d96b801f 2030 brcmf_dbg(TRACE, "Enter\n");
16886735 2031 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2032 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2033 return -EIO;
2034
787eb033
DK		 2035 if (mac_addr &&
2036 (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2037 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
d96b801f 2038 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2039 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
2040 }
2041 memset(&key, 0, sizeof(key));
2042
2043 key.len = (u32) params->key_len;
2044 key.index = (u32) key_idx;
2045
2046 if (key.len > sizeof(key.data)) {
57d6e91a 2047 brcmf_err("Too long key length (%u)\n", key.len);
5b435de0
AS		 2048 err = -EINVAL;
2049 goto done;
2050 }
2051 memcpy(key.data, params->key, key.len);
2052
2053 key.flags = BRCMF_PRIMARY_KEY;
2054 switch (params->cipher) {
2055 case WLAN_CIPHER_SUITE_WEP40:
2056 key.algo = CRYPTO_ALGO_WEP1;
f09d0c02 2057 val = WEP_ENABLED;
16886735 2058 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2059 break;
2060 case WLAN_CIPHER_SUITE_WEP104:
2061 key.algo = CRYPTO_ALGO_WEP128;
f09d0c02 2062 val = WEP_ENABLED;
16886735 2063 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0
AS		 2064 break;
2065 case WLAN_CIPHER_SUITE_TKIP:
967fe2c8 2066 if (!brcmf_is_apmode(ifp->vif)) {
992f6068 2067 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
1a873342
HM		 2068 memcpy(keybuf, &key.data[24], sizeof(keybuf));
2069 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
2070 memcpy(&key.data[16], keybuf, sizeof(keybuf));
2071 }
5b435de0 2072 key.algo = CRYPTO_ALGO_TKIP;
f09d0c02 2073 val = TKIP_ENABLED;
16886735 2074 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
5b435de0
AS		 2075 break;
2076 case WLAN_CIPHER_SUITE_AES_CMAC:
2077 key.algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2078 val = AES_ENABLED;
16886735 2079 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
5b435de0
AS		 2080 break;
2081 case WLAN_CIPHER_SUITE_CCMP:
2082 key.algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 2083 val = AES_ENABLED;
16886735 2084 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
5b435de0
AS		 2085 break;
2086 default:
57d6e91a 2087 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
5b435de0
AS		 2088 err = -EINVAL;
2089 goto done;
2090 }
2091
2eaba7e8 2092 err = send_key_to_dongle(ndev, &key);
5b435de0
AS		 2093 if (err)
2094 goto done;
2095
0abb5f21 2096 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2097 if (err) {
57d6e91a 2098 brcmf_err("get wsec error (%d)\n", err);
5b435de0
AS		 2099 goto done;
2100 }
5b435de0 2101 wsec |= val;
0abb5f21 2102 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
5b435de0 2103 if (err) {
57d6e91a 2104 brcmf_err("set wsec error (%d)\n", err);
5b435de0
AS		 2105 goto done;
2106 }
2107
5b435de0 2108done:
d96b801f 2109 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2110 return err;
2111}
2112
2113static s32
2114brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2115 u8 key_idx, bool pairwise, const u8 *mac_addr)
2116{
0abb5f21 2117 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2118 struct brcmf_wsec_key key;
2119 s32 err = 0;
5b435de0 2120
d96b801f 2121 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2122 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2123 return -EIO;
2124
256c374f
HM		 2125 if (key_idx >= DOT11_MAX_DEFAULT_KEYS) {
2126 /* we ignore this key index in this case */
57d6e91a 2127 brcmf_err("invalid key index (%d)\n", key_idx);
256c374f
HM		 2128 return -EINVAL;
2129 }
2130
5b435de0
AS		 2131 memset(&key, 0, sizeof(key));
2132
2133 key.index = (u32) key_idx;
2134 key.flags = BRCMF_PRIMARY_KEY;
2135 key.algo = CRYPTO_ALGO_OFF;
2136
16886735 2137 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
5b435de0
AS		 2138
2139 /* Set the new key/index */
2eaba7e8 2140 err = send_key_to_dongle(ndev, &key);
5b435de0 2141
d96b801f 2142 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2143 return err;
2144}
2145
2146static s32
2147brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
2148 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
2149 void (*callback) (void *cookie, struct key_params * params))
2150{
2151 struct key_params params;
0abb5f21
AS		 2152 struct brcmf_if *ifp = netdev_priv(ndev);
2153 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2154 struct brcmf_cfg80211_security *sec;
2155 s32 wsec;
2156 s32 err = 0;
2157
d96b801f 2158 brcmf_dbg(TRACE, "Enter\n");
16886735 2159 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
ce81e317 2160 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2161 return -EIO;
2162
2163 memset(&params, 0, sizeof(params));
2164
0abb5f21 2165 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0 2166 if (err) {
57d6e91a 2167 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
5b435de0
AS		 2168 /* Ignore this error, may happen during DISASSOC */
2169 err = -EAGAIN;
2170 goto done;
2171 }
c5bf53a8 2172 if (wsec & WEP_ENABLED) {
06bb123e 2173 sec = &profile->sec;
5b435de0
AS		 2174 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2175 params.cipher = WLAN_CIPHER_SUITE_WEP40;
16886735 2176 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
5b435de0
AS		 2177 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2178 params.cipher = WLAN_CIPHER_SUITE_WEP104;
16886735 2179 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
5b435de0 2180 }
c5bf53a8 2181 } else if (wsec & TKIP_ENABLED) {
5b435de0 2182 params.cipher = WLAN_CIPHER_SUITE_TKIP;
16886735 2183 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
c5bf53a8 2184 } else if (wsec & AES_ENABLED) {
5b435de0 2185 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
16886735 2186 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
c5bf53a8 2187 } else {
57d6e91a 2188 brcmf_err("Invalid algo (0x%x)\n", wsec);
5b435de0
AS		 2189 err = -EINVAL;
2190 goto done;
2191 }
2192 callback(cookie, &params);
2193
2194done:
d96b801f 2195 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2196 return err;
2197}
2198
2199static s32
2200brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2201 struct net_device *ndev, u8 key_idx)
2202{
647c9ae0 2203 brcmf_dbg(INFO, "Not supported\n");
5b435de0
AS		 2204
2205 return -EOPNOTSUPP;
2206}
2207
2208static s32
2209brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
3b3a0162 2210 const u8 *mac, struct station_info *sinfo)
5b435de0 2211{
0abb5f21
AS		 2212 struct brcmf_if *ifp = netdev_priv(ndev);
2213 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 2214 struct brcmf_scb_val_le scb_val;
2215 int rssi;
2216 s32 rate;
2217 s32 err = 0;
06bb123e 2218 u8 *bssid = profile->bssid;
81f5dcb8 2219 struct brcmf_sta_info_le sta_info_le;
9ee66d1b
HM		 2220 u32 beacon_period;
2221 u32 dtim_period;
5b435de0 2222
d96b801f 2223 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
ce81e317 2224 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2225 return -EIO;
2226
967fe2c8 2227 if (brcmf_is_apmode(ifp->vif)) {
81f5dcb8 2228 memcpy(&sta_info_le, mac, ETH_ALEN);
0abb5f21 2229 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
ac24be6f 2230 &sta_info_le,
81f5dcb8 2231 sizeof(sta_info_le));
1a873342 2232 if (err < 0) {
57d6e91a 2233 brcmf_err("GET STA INFO failed, %d\n", err);
1a873342
HM		 2234 goto done;
2235 }
1a873342 2236 sinfo->filled = STATION_INFO_INACTIVE_TIME;
81f5dcb8
HM		 2237 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2238 if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
1a873342 2239 sinfo->filled |= STATION_INFO_CONNECTED_TIME;
81f5dcb8 2240 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
1a873342 2241 }
d96b801f
AS		 2242 brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
2243 sinfo->inactive_time, sinfo->connected_time);
967fe2c8 2244 } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) {
1a873342 2245 if (memcmp(mac, bssid, ETH_ALEN)) {
57d6e91a
AS		 2246 brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
2247 mac, bssid);
1a873342
HM		 2248 err = -ENOENT;
2249 goto done;
2250 }
2251 /* Report the current tx rate */
89286dc9 2252 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
7f6c562d 2253 if (err) {
57d6e91a 2254 brcmf_err("Could not get rate (%d)\n", err);
1a873342 2255 goto done;
7f6c562d 2256 } else {
1a873342
HM		 2257 sinfo->filled |= STATION_INFO_TX_BITRATE;
2258 sinfo->txrate.legacy = rate * 5;
16886735 2259 brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);
7f6c562d 2260 }
5b435de0 2261
c1179033
AS		 2262 if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
2263 &ifp->vif->sme_state)) {
1a873342 2264 memset(&scb_val, 0, sizeof(scb_val));
c1179033
AS		 2265 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
2266 &scb_val, sizeof(scb_val));
1a873342 2267 if (err) {
57d6e91a 2268 brcmf_err("Could not get rssi (%d)\n", err);
1a873342
HM		 2269 goto done;
2270 } else {
2271 rssi = le32_to_cpu(scb_val.val);
2272 sinfo->filled |= STATION_INFO_SIGNAL;
2273 sinfo->signal = rssi;
16886735 2274 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
1a873342 2275 }
9ee66d1b
HM		 2276 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD,
2277 &beacon_period);
2278 if (err) {
2279 brcmf_err("Could not get beacon period (%d)\n",
2280 err);
2281 goto done;
2282 } else {
2283 sinfo->bss_param.beacon_interval =
2284 beacon_period;
2285 brcmf_dbg(CONN, "Beacon peroid %d\n",
2286 beacon_period);
2287 }
2288 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD,
2289 &dtim_period);
2290 if (err) {
2291 brcmf_err("Could not get DTIM period (%d)\n",
2292 err);
2293 goto done;
2294 } else {
2295 sinfo->bss_param.dtim_period = dtim_period;
2296 brcmf_dbg(CONN, "DTIM peroid %d\n",
2297 dtim_period);
2298 }
2299 sinfo->filled |= STATION_INFO_BSS_PARAM;
1a873342
HM		 2300 }
2301 } else
2302 err = -EPERM;
5b435de0 2303done:
d96b801f 2304 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2305 return err;
2306}
2307
2308static s32
2309brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2310 bool enabled, s32 timeout)
2311{
2312 s32 pm;
2313 s32 err = 0;
27a68fe3 2314 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
c1179033 2315 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 2316
d96b801f 2317 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2318
2319 /*
2320 * Powersave enable/disable request is coming from the
2321 * cfg80211 even before the interface is up. In that
2322 * scenario, driver will be storing the power save
27a68fe3 2323 * preference in cfg struct to apply this to
5b435de0
AS		 2324 * FW later while initializing the dongle
2325 */
27a68fe3 2326 cfg->pwr_save = enabled;
ce81e317 2327 if (!check_vif_up(ifp->vif)) {
5b435de0 2328
647c9ae0 2329 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
5b435de0
AS		 2330 goto done;
2331 }
2332
2333 pm = enabled ? PM_FAST : PM_OFF;
102fd0d6
HM		 2334 /* Do not enable the power save after assoc if it is a p2p interface */
2335 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2336 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2337 pm = PM_OFF;
2338 }
647c9ae0 2339 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
5b435de0 2340
c1179033 2341 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
5b435de0
AS		 2342 if (err) {
2343 if (err == -ENODEV)
57d6e91a 2344 brcmf_err("net_device is not ready yet\n");
5b435de0 2345 else
57d6e91a 2346 brcmf_err("error (%d)\n", err);
5b435de0
AS		 2347 }
2348done:
d96b801f 2349 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2350 return err;
2351}
2352
27a68fe3 2353static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
d34bf64f 2354 struct brcmf_bss_info_le *bi)
5b435de0 2355{
27a68fe3 2356 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0
AS		 2357 struct ieee80211_channel *notify_channel;
2358 struct cfg80211_bss *bss;
2359 struct ieee80211_supported_band *band;
83cf17aa 2360 struct brcmu_chan ch;
5b435de0
AS		 2361 u16 channel;
2362 u32 freq;
5b435de0
AS		 2363 u16 notify_capability;
2364 u16 notify_interval;
2365 u8 *notify_ie;
2366 size_t notify_ielen;
2367 s32 notify_signal;
2368
2369 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
57d6e91a 2370 brcmf_err("Bss info is larger than buffer. Discarding\n");
5b435de0
AS		 2371 return 0;
2372 }
2373
83cf17aa
FL		 2374 if (!bi->ctl_ch) {
2375 ch.chspec = le16_to_cpu(bi->chanspec);
2376 cfg->d11inf.decchspec(&ch);
2377 bi->ctl_ch = ch.chnum;
2378 }
2379 channel = bi->ctl_ch;
5b435de0
AS		 2380
2381 if (channel <= CH_MAX_2G_CHANNEL)
2382 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2383 else
2384 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2385
2386 freq = ieee80211_channel_to_frequency(channel, band->band);
2387 notify_channel = ieee80211_get_channel(wiphy, freq);
2388
5b435de0
AS		 2389 notify_capability = le16_to_cpu(bi->capability);
2390 notify_interval = le16_to_cpu(bi->beacon_period);
2391 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2392 notify_ielen = le32_to_cpu(bi->ie_length);
2393 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2394
16886735
AS		 2395 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2396 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2397 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2398 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2399 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
5b435de0 2400
5bc8c1f2
JB		 2401 bss = cfg80211_inform_bss(wiphy, notify_channel,
2402 CFG80211_BSS_FTYPE_UNKNOWN,
2403 (const u8 *)bi->BSSID,
2404 0, notify_capability,
2405 notify_interval, notify_ie,
2406 notify_ielen, notify_signal,
2407 GFP_KERNEL);
5b435de0 2408
e78946e1
FL		 2409 if (!bss)
2410 return -ENOMEM;
2411
5b112d3d 2412 cfg80211_put_bss(wiphy, bss);
5b435de0 2413
12f32370 2414 return 0;
5b435de0
AS		 2415}
2416
6f09be0a
RV		 2417static struct brcmf_bss_info_le *
2418next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2419{
2420 if (bss == NULL)
2421 return list->bss_info_le;
2422 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2423 le32_to_cpu(bss->length));
2424}
2425
27a68fe3 2426static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 2427{
2428 struct brcmf_scan_results *bss_list;
d34bf64f 2429 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
5b435de0
AS		 2430 s32 err = 0;
2431 int i;
2432
ef8596e1 2433 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
0ecd8164
AS		 2434 if (bss_list->count != 0 &&
2435 bss_list->version != BRCMF_BSS_INFO_VERSION) {
57d6e91a
AS		 2436 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2437 bss_list->version);
5b435de0
AS		 2438 return -EOPNOTSUPP;
2439 }
4e8a008e 2440 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
f0799895 2441 for (i = 0; i < bss_list->count; i++) {
6f09be0a 2442 bi = next_bss_le(bss_list, bi);
27a68fe3 2443 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2444 if (err)
2445 break;
2446 }
2447 return err;
2448}
2449
27a68fe3 2450static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 2451 struct net_device *ndev, const u8 *bssid)
2452{
27a68fe3 2453 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0 2454 struct ieee80211_channel *notify_channel;
d34bf64f 2455 struct brcmf_bss_info_le *bi = NULL;
5b435de0 2456 struct ieee80211_supported_band *band;
e78946e1 2457 struct cfg80211_bss *bss;
83cf17aa 2458 struct brcmu_chan ch;
5b435de0
AS		 2459 u8 *buf = NULL;
2460 s32 err = 0;
5b435de0 2461 u32 freq;
5b435de0
AS		 2462 u16 notify_capability;
2463 u16 notify_interval;
2464 u8 *notify_ie;
2465 size_t notify_ielen;
2466 s32 notify_signal;
2467
d96b801f 2468 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2469
2470 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2471 if (buf == NULL) {
2472 err = -ENOMEM;
2473 goto CleanUp;
2474 }
2475
2476 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2477
ac24be6f
AS		 2478 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2479 buf, WL_BSS_INFO_MAX);
5b435de0 2480 if (err) {
57d6e91a 2481 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
5b435de0
AS		 2482 goto CleanUp;
2483 }
2484
d34bf64f 2485 bi = (struct brcmf_bss_info_le *)(buf + 4);
5b435de0 2486
83cf17aa
FL		 2487 ch.chspec = le16_to_cpu(bi->chanspec);
2488 cfg->d11inf.decchspec(&ch);
5b435de0 2489
83cf17aa 2490 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 2491 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2492 else
2493 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2494
83cf17aa 2495 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 2496 notify_channel = ieee80211_get_channel(wiphy, freq);
2497
5b435de0
AS		 2498 notify_capability = le16_to_cpu(bi->capability);
2499 notify_interval = le16_to_cpu(bi->beacon_period);
2500 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2501 notify_ielen = le32_to_cpu(bi->ie_length);
2502 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2503
83cf17aa 2504 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
16886735
AS		 2505 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2506 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2507 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
5b435de0 2508
5bc8c1f2
JB		 2509 bss = cfg80211_inform_bss(wiphy, notify_channel,
2510 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2511 notify_capability, notify_interval,
2512 notify_ie, notify_ielen, notify_signal,
2513 GFP_KERNEL);
5b435de0 2514
e78946e1
FL		 2515 if (!bss) {
2516 err = -ENOMEM;
2517 goto CleanUp;
2518 }
2519
5b112d3d 2520 cfg80211_put_bss(wiphy, bss);
e78946e1 2521
5b435de0
AS		 2522CleanUp:
2523
2524 kfree(buf);
2525
d96b801f 2526 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2527
2528 return err;
2529}
2530
89286dc9
HM		 2531static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2532 struct brcmf_if *ifp)
1a873342 2533{
89286dc9 2534 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
d34bf64f 2535 struct brcmf_bss_info_le *bi;
5b435de0 2536 struct brcmf_ssid *ssid;
4b5800fe 2537 const struct brcmf_tlv *tim;
5b435de0
AS		 2538 u16 beacon_interval;
2539 u8 dtim_period;
2540 size_t ie_len;
2541 u8 *ie;
2542 s32 err = 0;
2543
d96b801f 2544 brcmf_dbg(TRACE, "Enter\n");
128ce3b6 2545 if (brcmf_is_ibssmode(ifp->vif))
5b435de0
AS		 2546 return err;
2547
06bb123e 2548 ssid = &profile->ssid;
5b435de0 2549
27a68fe3 2550 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
ac24be6f 2551 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
81f5dcb8 2552 cfg->extra_buf, WL_EXTRA_BUF_MAX);
5b435de0 2553 if (err) {
57d6e91a 2554 brcmf_err("Could not get bss info %d\n", err);
5b435de0
AS		 2555 goto update_bss_info_out;
2556 }
2557
27a68fe3
AS		 2558 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2559 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2560 if (err)
2561 goto update_bss_info_out;
2562
2563 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2564 ie_len = le32_to_cpu(bi->ie_length);
2565 beacon_interval = le16_to_cpu(bi->beacon_period);
2566
f8e4b412 2567 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
5b435de0
AS		 2568 if (tim)
2569 dtim_period = tim->data[1];
2570 else {
2571 /*
2572 * active scan was done so we could not get dtim
2573 * information out of probe response.
2574 * so we speficially query dtim information to dongle.
2575 */
2576 u32 var;
ac24be6f 2577 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
5b435de0 2578 if (err) {
57d6e91a 2579 brcmf_err("wl dtim_assoc failed (%d)\n", err);
5b435de0
AS		 2580 goto update_bss_info_out;
2581 }
2582 dtim_period = (u8)var;
2583 }
2584
5b435de0 2585update_bss_info_out:
d96b801f 2586 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2587 return err;
2588}
2589
18e2f61d 2590void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
5b435de0 2591{
27a68fe3 2592 struct escan_info *escan = &cfg->escan_info;
5b435de0 2593
c1179033 2594 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
f0799895 2595 if (cfg->scan_request) {
108a4bee 2596 escan->escan_state = WL_ESCAN_STATE_IDLE;
a0f472ac 2597 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
5b435de0 2598 }
c1179033
AS		 2599 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2600 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
5b435de0
AS		 2601}
2602
e756af5b
HM		 2603static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2604{
27a68fe3
AS		 2605 struct brcmf_cfg80211_info *cfg =
2606 container_of(work, struct brcmf_cfg80211_info,
e756af5b
HM		 2607 escan_timeout_work);
2608
ef8596e1 2609 brcmf_inform_bss(cfg);
a0f472ac 2610 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
e756af5b
HM		 2611}
2612
2613static void brcmf_escan_timeout(unsigned long data)
2614{
27a68fe3
AS		 2615 struct brcmf_cfg80211_info *cfg =
2616 (struct brcmf_cfg80211_info *)data;
e756af5b 2617
27a68fe3 2618 if (cfg->scan_request) {
57d6e91a 2619 brcmf_err("timer expired\n");
f0799895 2620 schedule_work(&cfg->escan_timeout_work);
e756af5b
HM		 2621 }
2622}
2623
2624static s32
83cf17aa
FL		 2625brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2626 struct brcmf_bss_info_le *bss,
e756af5b
HM		 2627 struct brcmf_bss_info_le *bss_info_le)
2628{
83cf17aa
FL		 2629 struct brcmu_chan ch_bss, ch_bss_info_le;
2630
2631 ch_bss.chspec = le16_to_cpu(bss->chanspec);
2632 cfg->d11inf.decchspec(&ch_bss);
2633 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
2634 cfg->d11inf.decchspec(&ch_bss_info_le);
2635
e756af5b 2636 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
83cf17aa 2637 ch_bss.band == ch_bss_info_le.band &&
e756af5b
HM		 2638 bss_info_le->SSID_len == bss->SSID_len &&
2639 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
6f5838a4
AS		 2640 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
2641 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
029591f3
AS		 2642 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2643 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2644
e756af5b
HM		 2645 /* preserve max RSSI if the measurements are
2646 * both on-channel or both off-channel
2647 */
029591f3 2648 if (bss_info_rssi > bss_rssi)
e756af5b 2649 bss->RSSI = bss_info_le->RSSI;
6f5838a4
AS		 2650 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
2651 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
e756af5b
HM		 2652 /* preserve the on-channel rssi measurement
2653 * if the new measurement is off channel
2654 */
2655 bss->RSSI = bss_info_le->RSSI;
6f5838a4 2656 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
e756af5b
HM		 2657 }
2658 return 1;
2659 }
2660 return 0;
2661}
2662
2663static s32
1993732e 2664brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
e756af5b
HM		 2665 const struct brcmf_event_msg *e, void *data)
2666{
1993732e 2667 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e756af5b 2668 s32 status;
e756af5b
HM		 2669 struct brcmf_escan_result_le *escan_result_le;
2670 struct brcmf_bss_info_le *bss_info_le;
2671 struct brcmf_bss_info_le *bss = NULL;
2672 u32 bi_length;
2673 struct brcmf_scan_results *list;
2674 u32 i;
97ed15c7 2675 bool aborted;
e756af5b 2676
5c36b99a 2677 status = e->status;
e756af5b 2678
a0f472ac
AS		 2679 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2680 brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
e756af5b
HM		 2681 return -EPERM;
2682 }
2683
2684 if (status == BRCMF_E_STATUS_PARTIAL) {
4e8a008e 2685 brcmf_dbg(SCAN, "ESCAN Partial result\n");
e756af5b
HM		 2686 escan_result_le = (struct brcmf_escan_result_le *) data;
2687 if (!escan_result_le) {
57d6e91a 2688 brcmf_err("Invalid escan result (NULL pointer)\n");
e756af5b
HM		 2689 goto exit;
2690 }
e756af5b 2691 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
57d6e91a
AS		 2692 brcmf_err("Invalid bss_count %d: ignoring\n",
2693 escan_result_le->bss_count);
e756af5b
HM		 2694 goto exit;
2695 }
2696 bss_info_le = &escan_result_le->bss_info_le;
2697
6eda4e2c
HM		 2698 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
2699 goto exit;
2700
2701 if (!cfg->scan_request) {
2702 brcmf_dbg(SCAN, "result without cfg80211 request\n");
2703 goto exit;
2704 }
2705
e756af5b
HM		 2706 bi_length = le32_to_cpu(bss_info_le->length);
2707 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
2708 WL_ESCAN_RESULTS_FIXED_SIZE)) {
57d6e91a
AS		 2709 brcmf_err("Invalid bss_info length %d: ignoring\n",
2710 bi_length);
e756af5b
HM		 2711 goto exit;
2712 }
2713
27a68fe3 2714 if (!(cfg_to_wiphy(cfg)->interface_modes &
e756af5b
HM		 2715 BIT(NL80211_IFTYPE_ADHOC))) {
2716 if (le16_to_cpu(bss_info_le->capability) &
2717 WLAN_CAPABILITY_IBSS) {
57d6e91a 2718 brcmf_err("Ignoring IBSS result\n");
e756af5b
HM		 2719 goto exit;
2720 }
2721 }
2722
2723 list = (struct brcmf_scan_results *)
27a68fe3 2724 cfg->escan_info.escan_buf;
e756af5b 2725 if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
57d6e91a 2726 brcmf_err("Buffer is too small: ignoring\n");
e756af5b
HM		 2727 goto exit;
2728 }
2729
2730 for (i = 0; i < list->count; i++) {
2731 bss = bss ? (struct brcmf_bss_info_le *)
2732 ((unsigned char *)bss +
2733 le32_to_cpu(bss->length)) : list->bss_info_le;
83cf17aa
FL		 2734 if (brcmf_compare_update_same_bss(cfg, bss,
2735 bss_info_le))
e756af5b
HM		 2736 goto exit;
2737 }
27a68fe3 2738 memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
e756af5b
HM		 2739 bss_info_le, bi_length);
2740 list->version = le32_to_cpu(bss_info_le->version);
2741 list->buflen += bi_length;
2742 list->count++;
2743 } else {
27a68fe3 2744 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
6eda4e2c
HM		 2745 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
2746 goto exit;
27a68fe3 2747 if (cfg->scan_request) {
27a68fe3 2748 brcmf_inform_bss(cfg);
97ed15c7 2749 aborted = status != BRCMF_E_STATUS_SUCCESS;
ef8596e1 2750 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
e756af5b 2751 } else
6eda4e2c
HM		 2752 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
2753 status);
e756af5b
HM		 2754 }
2755exit:
12f32370 2756 return 0;
e756af5b
HM		 2757}
2758
27a68fe3 2759static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
e756af5b 2760{
5c36b99a
AS		 2761 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
2762 brcmf_cfg80211_escan_handler);
f0799895
HM		 2763 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2764 /* Init scan_timeout timer */
2765 init_timer(&cfg->escan_timeout);
2766 cfg->escan_timeout.data = (unsigned long) cfg;
2767 cfg->escan_timeout.function = brcmf_escan_timeout;
2768 INIT_WORK(&cfg->escan_timeout_work,
2769 brcmf_cfg80211_escan_timeout_worker);
e756af5b
HM		 2770}
2771
5addc0de 2772static __always_inline void brcmf_delay(u32 ms)
5b435de0
AS		 2773{
2774 if (ms < 1000 / HZ) {
2775 cond_resched();
2776 mdelay(ms);
2777 } else {
2778 msleep(ms);
2779 }
2780}
2781
2782static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2783{
4eb3af7c
HM		 2784 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2785 struct net_device *ndev = cfg_to_ndev(cfg);
2786 struct brcmf_if *ifp = netdev_priv(ndev);
2787
d96b801f 2788 brcmf_dbg(TRACE, "Enter\n");
5b435de0 2789
4eb3af7c
HM		 2790 if (cfg->wowl_enabled) {
2791 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
2792 cfg->pre_wowl_pmmode);
2793 brcmf_fil_iovar_data_set(ifp, "wowl_pattern", "clr", 4);
2794 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
2795 cfg->wowl_enabled = false;
2796 }
5b435de0
AS		 2797 return 0;
2798}
2799
4eb3af7c
HM		 2800static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
2801 struct brcmf_if *ifp,
2802 struct cfg80211_wowlan *wowl)
2803{
2804 u32 wowl_config;
2805
2806 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
2807
2808 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
2809 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
2810
2811 wowl_config = 0;
2812 if (wowl->disconnect)
2813 wowl_config |= WL_WOWL_DIS | WL_WOWL_BCN | WL_WOWL_RETR;
2814 /* Note: if "wowl" target and not "wowlpf" then wowl_bcn_loss
2815 * should be configured. This paramater is not supported by
2816 * wowlpf.
2817 */
2818 if (wowl->magic_pkt)
2819 wowl_config |= WL_WOWL_MAGIC;
2820 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
2821 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
2822 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
2823 cfg->wowl_enabled = true;
2824}
2825
5b435de0 2826static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
4eb3af7c 2827 struct cfg80211_wowlan *wowl)
5b435de0 2828{
27a68fe3
AS		 2829 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2830 struct net_device *ndev = cfg_to_ndev(cfg);
4eb3af7c 2831 struct brcmf_if *ifp = netdev_priv(ndev);
7d641072 2832 struct brcmf_cfg80211_vif *vif;
5b435de0 2833
d96b801f 2834 brcmf_dbg(TRACE, "Enter\n");
5b435de0 2835
4eb3af7c 2836 /* if the primary net_device is not READY there is nothing
7d641072 2837 * we can do but pray resume goes smoothly.
5b435de0 2838 */
4eb3af7c 2839 if (!check_vif_up(ifp->vif))
7d641072 2840 goto exit;
5b435de0 2841
7d641072
AS		 2842 /* end any scanning */
2843 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
27a68fe3 2844 brcmf_abort_scanning(cfg);
5b435de0 2845
4eb3af7c
HM		 2846 if (wowl == NULL) {
2847 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
2848 list_for_each_entry(vif, &cfg->vif_list, list) {
2849 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
2850 continue;
2851 /* While going to suspend if associated with AP
2852 * disassociate from AP to save power while system is
2853 * in suspended state
2854 */
2855 brcmf_link_down(vif);
2856 /* Make sure WPA_Supplicant receives all the event
2857 * generated due to DISASSOC call to the fw to keep
2858 * the state fw and WPA_Supplicant state consistent
2859 */
2860 brcmf_delay(500);
2861 }
2862 /* Configure MPC */
2863 brcmf_set_mpc(ifp, 1);
2864
2865 } else {
2866 /* Configure WOWL paramaters */
2867 brcmf_configure_wowl(cfg, ifp, wowl);
2868 }
5b435de0 2869
7d641072 2870exit:
d96b801f 2871 brcmf_dbg(TRACE, "Exit\n");
7d641072
AS		 2872 /* clear any scanning activity */
2873 cfg->scan_status = 0;
5b435de0
AS		 2874 return 0;
2875}
2876
5b435de0
AS		 2877static __used s32
2878brcmf_update_pmklist(struct net_device *ndev,
2879 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
2880{
2881 int i, j;
40c8e95a 2882 int pmkid_len;
5b435de0 2883
40c8e95a
AS		 2884 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
2885
16886735 2886 brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
40c8e95a 2887 for (i = 0; i < pmkid_len; i++) {
16886735
AS		 2888 brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
2889 &pmk_list->pmkids.pmkid[i].BSSID);
5b435de0 2890 for (j = 0; j < WLAN_PMKID_LEN; j++)
16886735
AS		 2891 brcmf_dbg(CONN, "%02x\n",
2892 pmk_list->pmkids.pmkid[i].PMKID[j]);
5b435de0
AS		 2893 }
2894
2895 if (!err)
ac24be6f
AS		 2896 brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
2897 (char *)pmk_list, sizeof(*pmk_list));
5b435de0
AS		 2898
2899 return err;
2900}
2901
2902static s32
2903brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2904 struct cfg80211_pmksa *pmksa)
2905{
27a68fe3 2906 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2907 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 2908 struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
5b435de0
AS		 2909 s32 err = 0;
2910 int i;
40c8e95a 2911 int pmkid_len;
5b435de0 2912
d96b801f 2913 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2914 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2915 return -EIO;
2916
40c8e95a
AS		 2917 pmkid_len = le32_to_cpu(pmkids->npmkid);
2918 for (i = 0; i < pmkid_len; i++)
5b435de0
AS		 2919 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
2920 break;
2921 if (i < WL_NUM_PMKIDS_MAX) {
2922 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
2923 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
40c8e95a
AS		 2924 if (i == pmkid_len) {
2925 pmkid_len++;
2926 pmkids->npmkid = cpu_to_le32(pmkid_len);
2927 }
5b435de0
AS		 2928 } else
2929 err = -EINVAL;
2930
16886735
AS		 2931 brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
2932 pmkids->pmkid[pmkid_len].BSSID);
5b435de0 2933 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 2934 brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
5b435de0 2935
27a68fe3 2936 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 2937
d96b801f 2938 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2939 return err;
2940}
2941
2942static s32
2943brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2944 struct cfg80211_pmksa *pmksa)
2945{
27a68fe3 2946 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2947 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2948 struct pmkid_list pmkid;
2949 s32 err = 0;
40c8e95a 2950 int i, pmkid_len;
5b435de0 2951
d96b801f 2952 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2953 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2954 return -EIO;
2955
2956 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
2957 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
2958
16886735
AS		 2959 brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
2960 &pmkid.pmkid[0].BSSID);
5b435de0 2961 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 2962 brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
5b435de0 2963
27a68fe3 2964 pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
40c8e95a 2965 for (i = 0; i < pmkid_len; i++)
5b435de0 2966 if (!memcmp
27a68fe3 2967 (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
5b435de0
AS		 2968 ETH_ALEN))
2969 break;
2970
40c8e95a
AS		 2971 if ((pmkid_len > 0)
2972 && (i < pmkid_len)) {
27a68fe3 2973 memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
5b435de0 2974 sizeof(struct pmkid));
40c8e95a 2975 for (; i < (pmkid_len - 1); i++) {
27a68fe3
AS		 2976 memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
2977 &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
5b435de0 2978 ETH_ALEN);
27a68fe3
AS		 2979 memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
2980 &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
5b435de0
AS		 2981 WLAN_PMKID_LEN);
2982 }
27a68fe3 2983 cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
5b435de0
AS		 2984 } else
2985 err = -EINVAL;
2986
27a68fe3 2987 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 2988
d96b801f 2989 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2990 return err;
2991
2992}
2993
2994static s32
2995brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
2996{
27a68fe3 2997 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2998 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2999 s32 err = 0;
3000
d96b801f 3001 brcmf_dbg(TRACE, "Enter\n");
ce81e317 3002 if (!check_vif_up(ifp->vif))
5b435de0
AS		 3003 return -EIO;
3004
27a68fe3
AS		 3005 memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
3006 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 3007
d96b801f 3008 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 3009 return err;
3010
3011}
3012
e5806072
AS		 3013/*
3014 * PFN result doesn't have all the info which are
3015 * required by the supplicant
3016 * (For e.g IEs) Do a target Escan so that sched scan results are reported
3017 * via wl_inform_single_bss in the required format. Escan does require the
3018 * scan request in the form of cfg80211_scan_request. For timebeing, create
3019 * cfg80211_scan_request one out of the received PNO event.
3020 */
3021static s32
1993732e 3022brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
e5806072
AS		 3023 const struct brcmf_event_msg *e, void *data)
3024{
1993732e 3025 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e5806072
AS		 3026 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3027 struct cfg80211_scan_request *request = NULL;
3028 struct cfg80211_ssid *ssid = NULL;
3029 struct ieee80211_channel *channel = NULL;
27a68fe3 3030 struct wiphy *wiphy = cfg_to_wiphy(cfg);
e5806072
AS		 3031 int err = 0;
3032 int channel_req = 0;
3033 int band = 0;
3034 struct brcmf_pno_scanresults_le *pfn_result;
3035 u32 result_count;
3036 u32 status;
3037
4e8a008e 3038 brcmf_dbg(SCAN, "Enter\n");
e5806072 3039
5c36b99a 3040 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
4e8a008e 3041 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
e5806072
AS		 3042 return 0;
3043 }
3044
3045 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3046 result_count = le32_to_cpu(pfn_result->count);
3047 status = le32_to_cpu(pfn_result->status);
3048
3049 /*
3050 * PFN event is limited to fit 512 bytes so we may get
3051 * multiple NET_FOUND events. For now place a warning here.
3052 */
3053 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
4e8a008e 3054 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
e5806072
AS		 3055 if (result_count > 0) {
3056 int i;
3057
3058 request = kzalloc(sizeof(*request), GFP_KERNEL);
58901d18
DC		 3059 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3060 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
e5806072
AS		 3061 if (!request || !ssid || !channel) {
3062 err = -ENOMEM;
3063 goto out_err;
3064 }
3065
3066 request->wiphy = wiphy;
3067 data += sizeof(struct brcmf_pno_scanresults_le);
3068 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3069
3070 for (i = 0; i < result_count; i++) {
3071 netinfo = &netinfo_start[i];
3072 if (!netinfo) {
57d6e91a
AS		 3073 brcmf_err("Invalid netinfo ptr. index: %d\n",
3074 i);
e5806072
AS		 3075 err = -EINVAL;
3076 goto out_err;
3077 }
3078
4e8a008e
AS		 3079 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3080 netinfo->SSID, netinfo->channel);
e5806072
AS		 3081 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3082 ssid[i].ssid_len = netinfo->SSID_len;
3083 request->n_ssids++;
3084
3085 channel_req = netinfo->channel;
3086 if (channel_req <= CH_MAX_2G_CHANNEL)
3087 band = NL80211_BAND_2GHZ;
3088 else
3089 band = NL80211_BAND_5GHZ;
3090 channel[i].center_freq =
3091 ieee80211_channel_to_frequency(channel_req,
3092 band);
3093 channel[i].band = band;
3094 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3095 request->channels[i] = &channel[i];
3096 request->n_channels++;
3097 }
3098
3099 /* assign parsed ssid array */
3100 if (request->n_ssids)
3101 request->ssids = &ssid[0];
3102
c1179033 3103 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
e5806072 3104 /* Abort any on-going scan */
27a68fe3 3105 brcmf_abort_scanning(cfg);
e5806072
AS		 3106 }
3107
c1179033 3108 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2668b0b1 3109 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 3110 err = brcmf_do_escan(cfg, wiphy, ifp, request);
e5806072 3111 if (err) {
c1179033 3112 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e5806072
AS		 3113 goto out_err;
3114 }
27a68fe3
AS		 3115 cfg->sched_escan = true;
3116 cfg->scan_request = request;
e5806072 3117 } else {
57d6e91a 3118 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
e5806072
AS		 3119 goto out_err;
3120 }
3121
3122 kfree(ssid);
3123 kfree(channel);
3124 kfree(request);
3125 return 0;
3126
3127out_err:
3128 kfree(ssid);
3129 kfree(channel);
3130 kfree(request);
3131 cfg80211_sched_scan_stopped(wiphy);
3132 return err;
3133}
3134
e5806072
AS		 3135static int brcmf_dev_pno_clean(struct net_device *ndev)
3136{
e5806072
AS		 3137 int ret;
3138
3139 /* Disable pfn */
ac24be6f 3140 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
e5806072
AS		 3141 if (ret == 0) {
3142 /* clear pfn */
ac24be6f
AS		 3143 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3144 NULL, 0);
e5806072
AS		 3145 }
3146 if (ret < 0)
57d6e91a 3147 brcmf_err("failed code %d\n", ret);
e5806072
AS		 3148
3149 return ret;
3150}
3151
3152static int brcmf_dev_pno_config(struct net_device *ndev)
3153{
3154 struct brcmf_pno_param_le pfn_param;
e5806072
AS		 3155
3156 memset(&pfn_param, 0, sizeof(pfn_param));
3157 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3158
3159 /* set extra pno params */
3160 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3161 pfn_param.repeat = BRCMF_PNO_REPEAT;
3162 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3163
3164 /* set up pno scan fr */
3165 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3166
ac24be6f
AS		 3167 return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
3168 &pfn_param, sizeof(pfn_param));
e5806072
AS		 3169}
3170
3171static int
3172brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3173 struct net_device *ndev,
3174 struct cfg80211_sched_scan_request *request)
3175{
c1179033 3176 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 3177 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
e5806072
AS		 3178 struct brcmf_pno_net_param_le pfn;
3179 int i;
3180 int ret = 0;
3181
dc7bdbf1 3182 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
4e8a008e 3183 request->n_match_sets, request->n_ssids);
c1179033 3184 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 3185 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e5806072
AS		 3186 return -EAGAIN;
3187 }
1687eee2
AS		 3188 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3189 brcmf_err("Scanning suppressed: status (%lu)\n",
3190 cfg->scan_status);
3191 return -EAGAIN;
3192 }
e5806072 3193
dc7bdbf1 3194 if (!request->n_ssids || !request->n_match_sets) {
181f2d17 3195 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
dc7bdbf1 3196 request->n_ssids);
e5806072
AS		 3197 return -EINVAL;
3198 }
3199
3200 if (request->n_ssids > 0) {
3201 for (i = 0; i < request->n_ssids; i++) {
3202 /* Active scan req for ssids */
4e8a008e
AS		 3203 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3204 request->ssids[i].ssid);
e5806072
AS		 3205
3206 /*
3207 * match_set ssids is a supert set of n_ssid list,
3208 * so we need not add these set seperately.
3209 */
3210 }
3211 }
3212
3213 if (request->n_match_sets > 0) {
3214 /* clean up everything */
3215 ret = brcmf_dev_pno_clean(ndev);
3216 if (ret < 0) {
57d6e91a 3217 brcmf_err("failed error=%d\n", ret);
e5806072
AS		 3218 return ret;
3219 }
3220
3221 /* configure pno */
3222 ret = brcmf_dev_pno_config(ndev);
3223 if (ret < 0) {
57d6e91a 3224 brcmf_err("PNO setup failed!! ret=%d\n", ret);
e5806072
AS		 3225 return -EINVAL;
3226 }
3227
3228 /* configure each match set */
3229 for (i = 0; i < request->n_match_sets; i++) {
3230 struct cfg80211_ssid *ssid;
3231 u32 ssid_len;
3232
3233 ssid = &request->match_sets[i].ssid;
3234 ssid_len = ssid->ssid_len;
3235
3236 if (!ssid_len) {
57d6e91a 3237 brcmf_err("skip broadcast ssid\n");
e5806072
AS		 3238 continue;
3239 }
3240 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3241 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3242 pfn.wsec = cpu_to_le32(0);
3243 pfn.infra = cpu_to_le32(1);
3244 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3245 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3246 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
c1179033 3247 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
ac24be6f 3248 sizeof(pfn));
4e8a008e
AS		 3249 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3250 ret == 0 ? "set" : "failed", ssid->ssid);
e5806072
AS		 3251 }
3252 /* Enable the PNO */
c1179033 3253 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
57d6e91a 3254 brcmf_err("PNO enable failed!! ret=%d\n", ret);
e5806072
AS		 3255 return -EINVAL;
3256 }
3257 } else {
3258 return -EINVAL;
3259 }
3260
3261 return 0;
3262}
3263
3264static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3265 struct net_device *ndev)
3266{
27a68fe3 3267 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e5806072 3268
4e8a008e 3269 brcmf_dbg(SCAN, "enter\n");
e5806072 3270 brcmf_dev_pno_clean(ndev);
27a68fe3 3271 if (cfg->sched_escan)
a0f472ac 3272 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
e5806072
AS		 3273 return 0;
3274}
e5806072 3275
1f170110 3276static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
1a873342
HM		 3277{
3278 s32 err;
3279
3280 /* set auth */
ac24be6f 3281 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
1a873342 3282 if (err < 0) {
57d6e91a 3283 brcmf_err("auth error %d\n", err);
1a873342
HM		 3284 return err;
3285 }
3286 /* set wsec */
ac24be6f 3287 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
1a873342 3288 if (err < 0) {
57d6e91a 3289 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3290 return err;
3291 }
3292 /* set upper-layer auth */
ac24be6f 3293 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
1a873342 3294 if (err < 0) {
57d6e91a 3295 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3296 return err;
3297 }
3298
3299 return 0;
3300}
3301
3302static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3303{
3304 if (is_rsn_ie)
3305 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3306
3307 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3308}
3309
3310static s32
4b5800fe
JB		 3311brcmf_configure_wpaie(struct net_device *ndev,
3312 const struct brcmf_vs_tlv *wpa_ie,
3313 bool is_rsn_ie)
1a873342 3314{
ac24be6f 3315 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 3316 u32 auth = 0; /* d11 open authentication */
3317 u16 count;
3318 s32 err = 0;
3319 s32 len = 0;
3320 u32 i;
3321 u32 wsec;
3322 u32 pval = 0;
3323 u32 gval = 0;
3324 u32 wpa_auth = 0;
3325 u32 offset;
3326 u8 *data;
3327 u16 rsn_cap;
3328 u32 wme_bss_disable;
3329
d96b801f 3330 brcmf_dbg(TRACE, "Enter\n");
1a873342
HM		 3331 if (wpa_ie == NULL)
3332 goto exit;
3333
3334 len = wpa_ie->len + TLV_HDR_LEN;
3335 data = (u8 *)wpa_ie;
619c5a9a 3336 offset = TLV_HDR_LEN;
1a873342
HM		 3337 if (!is_rsn_ie)
3338 offset += VS_IE_FIXED_HDR_LEN;
619c5a9a
HM		 3339 else
3340 offset += WPA_IE_VERSION_LEN;
1a873342
HM		 3341
3342 /* check for multicast cipher suite */
3343 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3344 err = -EINVAL;
57d6e91a 3345 brcmf_err("no multicast cipher suite\n");
1a873342
HM		 3346 goto exit;
3347 }
3348
3349 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3350 err = -EINVAL;
57d6e91a 3351 brcmf_err("ivalid OUI\n");
1a873342
HM		 3352 goto exit;
3353 }
3354 offset += TLV_OUI_LEN;
3355
3356 /* pick up multicast cipher */
3357 switch (data[offset]) {
3358 case WPA_CIPHER_NONE:
3359 gval = 0;
3360 break;
3361 case WPA_CIPHER_WEP_40:
3362 case WPA_CIPHER_WEP_104:
3363 gval = WEP_ENABLED;
3364 break;
3365 case WPA_CIPHER_TKIP:
3366 gval = TKIP_ENABLED;
3367 break;
3368 case WPA_CIPHER_AES_CCM:
3369 gval = AES_ENABLED;
3370 break;
3371 default:
3372 err = -EINVAL;
57d6e91a 3373 brcmf_err("Invalid multi cast cipher info\n");
1a873342
HM		 3374 goto exit;
3375 }
3376
3377 offset++;
3378 /* walk thru unicast cipher list and pick up what we recognize */
3379 count = data[offset] + (data[offset + 1] << 8);
3380 offset += WPA_IE_SUITE_COUNT_LEN;
3381 /* Check for unicast suite(s) */
3382 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3383 err = -EINVAL;
57d6e91a 3384 brcmf_err("no unicast cipher suite\n");
1a873342
HM		 3385 goto exit;
3386 }
3387 for (i = 0; i < count; i++) {
3388 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3389 err = -EINVAL;
57d6e91a 3390 brcmf_err("ivalid OUI\n");
1a873342
HM		 3391 goto exit;
3392 }
3393 offset += TLV_OUI_LEN;
3394 switch (data[offset]) {
3395 case WPA_CIPHER_NONE:
3396 break;
3397 case WPA_CIPHER_WEP_40:
3398 case WPA_CIPHER_WEP_104:
3399 pval |= WEP_ENABLED;
3400 break;
3401 case WPA_CIPHER_TKIP:
3402 pval |= TKIP_ENABLED;
3403 break;
3404 case WPA_CIPHER_AES_CCM:
3405 pval |= AES_ENABLED;
3406 break;
3407 default:
57d6e91a 3408 brcmf_err("Ivalid unicast security info\n");
1a873342
HM		 3409 }
3410 offset++;
3411 }
3412 /* walk thru auth management suite list and pick up what we recognize */
3413 count = data[offset] + (data[offset + 1] << 8);
3414 offset += WPA_IE_SUITE_COUNT_LEN;
3415 /* Check for auth key management suite(s) */
3416 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3417 err = -EINVAL;
57d6e91a 3418 brcmf_err("no auth key mgmt suite\n");
1a873342
HM		 3419 goto exit;
3420 }
3421 for (i = 0; i < count; i++) {
3422 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3423 err = -EINVAL;
57d6e91a 3424 brcmf_err("ivalid OUI\n");
1a873342
HM		 3425 goto exit;
3426 }
3427 offset += TLV_OUI_LEN;
3428 switch (data[offset]) {
3429 case RSN_AKM_NONE:
d96b801f 3430 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
1a873342
HM		 3431 wpa_auth |= WPA_AUTH_NONE;
3432 break;
3433 case RSN_AKM_UNSPECIFIED:
d96b801f 3434 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
1a873342
HM		 3435 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3436 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3437 break;
3438 case RSN_AKM_PSK:
d96b801f 3439 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
1a873342
HM		 3440 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3441 (wpa_auth |= WPA_AUTH_PSK);
3442 break;
3443 default:
57d6e91a 3444 brcmf_err("Ivalid key mgmt info\n");
1a873342
HM		 3445 }
3446 offset++;
3447 }
3448
3449 if (is_rsn_ie) {
3450 wme_bss_disable = 1;
3451 if ((offset + RSN_CAP_LEN) <= len) {
3452 rsn_cap = data[offset] + (data[offset + 1] << 8);
3453 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3454 wme_bss_disable = 0;
3455 }
3456 /* set wme_bss_disable to sync RSN Capabilities */
ac24be6f 3457 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
81f5dcb8 3458 wme_bss_disable);
1a873342 3459 if (err < 0) {
57d6e91a 3460 brcmf_err("wme_bss_disable error %d\n", err);
1a873342
HM		 3461 goto exit;
3462 }
3463 }
3464 /* FOR WPS , set SES_OW_ENABLED */
3465 wsec = (pval | gval | SES_OW_ENABLED);
3466
3467 /* set auth */
ac24be6f 3468 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
1a873342 3469 if (err < 0) {
57d6e91a 3470 brcmf_err("auth error %d\n", err);
1a873342
HM		 3471 goto exit;
3472 }
3473 /* set wsec */
ac24be6f 3474 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
1a873342 3475 if (err < 0) {
57d6e91a 3476 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3477 goto exit;
3478 }
3479 /* set upper-layer auth */
ac24be6f 3480 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
1a873342 3481 if (err < 0) {
57d6e91a 3482 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3483 goto exit;
3484 }
3485
3486exit:
3487 return err;
3488}
3489
3490static s32
3082b9be 3491brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
1a873342
HM		 3492 struct parsed_vndr_ies *vndr_ies)
3493{
1a873342
HM		 3494 struct brcmf_vs_tlv *vndrie;
3495 struct brcmf_tlv *ie;
3496 struct parsed_vndr_ie_info *parsed_info;
3497 s32 remaining_len;
3498
3499 remaining_len = (s32)vndr_ie_len;
3500 memset(vndr_ies, 0, sizeof(*vndr_ies));
3501
3502 ie = (struct brcmf_tlv *)vndr_ie_buf;
3503 while (ie) {
3504 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
3505 goto next;
3506 vndrie = (struct brcmf_vs_tlv *)ie;
3507 /* len should be bigger than OUI length + one */
3508 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
57d6e91a
AS		 3509 brcmf_err("invalid vndr ie. length is too small %d\n",
3510 vndrie->len);
1a873342
HM		 3511 goto next;
3512 }
3513 /* if wpa or wme ie, do not add ie */
3514 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
3515 ((vndrie->oui_type == WPA_OUI_TYPE) ||
3516 (vndrie->oui_type == WME_OUI_TYPE))) {
d96b801f 3517 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
1a873342
HM		 3518 goto next;
3519 }
3520
3521 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
3522
3523 /* save vndr ie information */
3524 parsed_info->ie_ptr = (char *)vndrie;
3525 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
3526 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
3527
3528 vndr_ies->count++;
3529
d96b801f
AS		 3530 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
3531 parsed_info->vndrie.oui[0],
3532 parsed_info->vndrie.oui[1],
3533 parsed_info->vndrie.oui[2],
3534 parsed_info->vndrie.oui_type);
1a873342 3535
9f440b7b 3536 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
1a873342
HM		 3537 break;
3538next:
b41fc3d7
HM		 3539 remaining_len -= (ie->len + TLV_HDR_LEN);
3540 if (remaining_len <= TLV_HDR_LEN)
1a873342
HM		 3541 ie = NULL;
3542 else
b41fc3d7
HM		 3543 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
3544 TLV_HDR_LEN);
1a873342 3545 }
12f32370 3546 return 0;
1a873342
HM		 3547}
3548
3549static u32
3550brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
3551{
3552
3553 __le32 iecount_le;
3554 __le32 pktflag_le;
3555
3556 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
3557 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
3558
3559 iecount_le = cpu_to_le32(1);
3560 memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le));
3561
3562 pktflag_le = cpu_to_le32(pktflag);
3563 memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le));
3564
3565 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
3566
3567 return ie_len + VNDR_IE_HDR_SIZE;
3568}
3569
1332e26e
AS		 3570s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
3571 const u8 *vndr_ie_buf, u32 vndr_ie_len)
1a873342 3572{
1332e26e
AS		 3573 struct brcmf_if *ifp;
3574 struct vif_saved_ie *saved_ie;
1a873342
HM		 3575 s32 err = 0;
3576 u8 *iovar_ie_buf;
3577 u8 *curr_ie_buf;
3578 u8 *mgmt_ie_buf = NULL;
3e4f319d 3579 int mgmt_ie_buf_len;
81118d16 3580 u32 *mgmt_ie_len;
1a873342
HM		 3581 u32 del_add_ie_buf_len = 0;
3582 u32 total_ie_buf_len = 0;
3583 u32 parsed_ie_buf_len = 0;
3584 struct parsed_vndr_ies old_vndr_ies;
3585 struct parsed_vndr_ies new_vndr_ies;
3586 struct parsed_vndr_ie_info *vndrie_info;
3587 s32 i;
3588 u8 *ptr;
3e4f319d 3589 int remained_buf_len;
1a873342 3590
1332e26e
AS		 3591 if (!vif)
3592 return -ENODEV;
3593 ifp = vif->ifp;
3594 saved_ie = &vif->saved_ie;
3595
d96b801f 3596 brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
1a873342
HM		 3597 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3598 if (!iovar_ie_buf)
3599 return -ENOMEM;
3600 curr_ie_buf = iovar_ie_buf;
89286dc9
HM		 3601 switch (pktflag) {
3602 case BRCMF_VNDR_IE_PRBREQ_FLAG:
3603 mgmt_ie_buf = saved_ie->probe_req_ie;
3604 mgmt_ie_len = &saved_ie->probe_req_ie_len;
3605 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
3606 break;
3607 case BRCMF_VNDR_IE_PRBRSP_FLAG:
3608 mgmt_ie_buf = saved_ie->probe_res_ie;
3609 mgmt_ie_len = &saved_ie->probe_res_ie_len;
3610 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
3611 break;
3612 case BRCMF_VNDR_IE_BEACON_FLAG:
3613 mgmt_ie_buf = saved_ie->beacon_ie;
3614 mgmt_ie_len = &saved_ie->beacon_ie_len;
3615 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
3616 break;
3617 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
3618 mgmt_ie_buf = saved_ie->assoc_req_ie;
3619 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
3620 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
3621 break;
3622 default:
3623 err = -EPERM;
3624 brcmf_err("not suitable type\n");
3625 goto exit;
1a873342
HM		 3626 }
3627
3628 if (vndr_ie_len > mgmt_ie_buf_len) {
3629 err = -ENOMEM;
57d6e91a 3630 brcmf_err("extra IE size too big\n");
1a873342
HM		 3631 goto exit;
3632 }
3633
3634 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
3635 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
3636 ptr = curr_ie_buf;
3637 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
3638 for (i = 0; i < new_vndr_ies.count; i++) {
3639 vndrie_info = &new_vndr_ies.ie_info[i];
3640 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
3641 vndrie_info->ie_len);
3642 parsed_ie_buf_len += vndrie_info->ie_len;
3643 }
3644 }
3645
b41fc3d7 3646 if (mgmt_ie_buf && *mgmt_ie_len) {
1a873342
HM		 3647 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
3648 (memcmp(mgmt_ie_buf, curr_ie_buf,
3649 parsed_ie_buf_len) == 0)) {
d96b801f 3650 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
1a873342
HM		 3651 goto exit;
3652 }
3653
3654 /* parse old vndr_ie */
3655 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
3656
3657 /* make a command to delete old ie */
3658 for (i = 0; i < old_vndr_ies.count; i++) {
3659 vndrie_info = &old_vndr_ies.ie_info[i];
3660
d96b801f
AS		 3661 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
3662 vndrie_info->vndrie.id,
3663 vndrie_info->vndrie.len,
3664 vndrie_info->vndrie.oui[0],
3665 vndrie_info->vndrie.oui[1],
3666 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3667
3668 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3669 vndrie_info->ie_ptr,
3670 vndrie_info->ie_len,
3671 "del");
3672 curr_ie_buf += del_add_ie_buf_len;
3673 total_ie_buf_len += del_add_ie_buf_len;
3674 }
3675 }
3676
3677 *mgmt_ie_len = 0;
3678 /* Add if there is any extra IE */
3679 if (mgmt_ie_buf && parsed_ie_buf_len) {
3680 ptr = mgmt_ie_buf;
3681
3682 remained_buf_len = mgmt_ie_buf_len;
3683
3684 /* make a command to add new ie */
3685 for (i = 0; i < new_vndr_ies.count; i++) {
3686 vndrie_info = &new_vndr_ies.ie_info[i];
3687
b41fc3d7
HM		 3688 /* verify remained buf size before copy data */
3689 if (remained_buf_len < (vndrie_info->vndrie.len +
3690 VNDR_IE_VSIE_OFFSET)) {
57d6e91a
AS		 3691 brcmf_err("no space in mgmt_ie_buf: len left %d",
3692 remained_buf_len);
b41fc3d7
HM		 3693 break;
3694 }
3695 remained_buf_len -= (vndrie_info->ie_len +
3696 VNDR_IE_VSIE_OFFSET);
3697
d96b801f
AS		 3698 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
3699 vndrie_info->vndrie.id,
3700 vndrie_info->vndrie.len,
3701 vndrie_info->vndrie.oui[0],
3702 vndrie_info->vndrie.oui[1],
3703 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3704
3705 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3706 vndrie_info->ie_ptr,
3707 vndrie_info->ie_len,
3708 "add");
1a873342
HM		 3709
3710 /* save the parsed IE in wl struct */
3711 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
3712 vndrie_info->ie_len);
3713 *mgmt_ie_len += vndrie_info->ie_len;
3714
3715 curr_ie_buf += del_add_ie_buf_len;
3716 total_ie_buf_len += del_add_ie_buf_len;
3717 }
3718 }
3719 if (total_ie_buf_len) {
c1179033 3720 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
81f5dcb8 3721 total_ie_buf_len);
1a873342 3722 if (err)
57d6e91a 3723 brcmf_err("vndr ie set error : %d\n", err);
1a873342
HM		 3724 }
3725
3726exit:
3727 kfree(iovar_ie_buf);
3728 return err;
3729}
3730
5f4f9f11
AS		 3731s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
3732{
3733 s32 pktflags[] = {
3734 BRCMF_VNDR_IE_PRBREQ_FLAG,
3735 BRCMF_VNDR_IE_PRBRSP_FLAG,
3736 BRCMF_VNDR_IE_BEACON_FLAG
3737 };
3738 int i;
3739
3740 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
3741 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
3742
3743 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
3744 return 0;
3745}
3746
a0f07959
HM		 3747static s32
3748brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
3749 struct cfg80211_beacon_data *beacon)
3750{
3751 s32 err;
3752
3753 /* Set Beacon IEs to FW */
3754 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
3755 beacon->tail, beacon->tail_len);
3756 if (err) {
3757 brcmf_err("Set Beacon IE Failed\n");
3758 return err;
3759 }
3760 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
3761
3762 /* Set Probe Response IEs to FW */
3763 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
3764 beacon->proberesp_ies,
3765 beacon->proberesp_ies_len);
3766 if (err)
3767 brcmf_err("Set Probe Resp IE Failed\n");
3768 else
3769 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
3770
3771 return err;
3772}
3773
1a873342
HM		 3774static s32
3775brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
3776 struct cfg80211_ap_settings *settings)
3777{
3778 s32 ie_offset;
1c9d30cf 3779 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
ac24be6f 3780 struct brcmf_if *ifp = netdev_priv(ndev);
4b5800fe 3781 const struct brcmf_tlv *ssid_ie;
1a873342 3782 struct brcmf_ssid_le ssid_le;
1a873342 3783 s32 err = -EPERM;
4b5800fe
JB		 3784 const struct brcmf_tlv *rsn_ie;
3785 const struct brcmf_vs_tlv *wpa_ie;
1a873342 3786 struct brcmf_join_params join_params;
a0f07959
HM		 3787 enum nl80211_iftype dev_role;
3788 struct brcmf_fil_bss_enable_le bss_enable;
06c01585 3789 u16 chanspec;
1a873342 3790
06c01585
AS		 3791 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
3792 settings->chandef.chan->hw_value,
3793 settings->chandef.center_freq1, settings->chandef.width,
a9a56878 3794 settings->beacon_interval, settings->dtim_period);
d96b801f
AS		 3795 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
3796 settings->ssid, settings->ssid_len, settings->auth_type,
3797 settings->inactivity_timeout);
1a873342 3798
426d0a56 3799 dev_role = ifp->vif->wdev.iftype;
1a873342
HM		 3800
3801 memset(&ssid_le, 0, sizeof(ssid_le));
3802 if (settings->ssid == NULL || settings->ssid_len == 0) {
3803 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
3804 ssid_ie = brcmf_parse_tlvs(
3805 (u8 *)&settings->beacon.head[ie_offset],
3806 settings->beacon.head_len - ie_offset,
3807 WLAN_EID_SSID);
3808 if (!ssid_ie)
3809 return -EINVAL;
3810
3811 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
3812 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
d96b801f 3813 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
1a873342
HM		 3814 } else {
3815 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
3816 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
3817 }
3818
f96aa07e 3819 brcmf_set_mpc(ifp, 0);
b3657453 3820 brcmf_configure_arp_offload(ifp, false);
1a873342
HM		 3821
3822 /* find the RSN_IE */
3823 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
3824 settings->beacon.tail_len, WLAN_EID_RSN);
3825
3826 /* find the WPA_IE */
3827 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
3828 settings->beacon.tail_len);
3829
1a873342 3830 if ((wpa_ie != NULL || rsn_ie != NULL)) {
d96b801f 3831 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
1a873342
HM		 3832 if (wpa_ie != NULL) {
3833 /* WPA IE */
34778529 3834 err = brcmf_configure_wpaie(ndev, wpa_ie, false);
1a873342
HM		 3835 if (err < 0)
3836 goto exit;
1a873342
HM		 3837 } else {
3838 /* RSN IE */
3839 err = brcmf_configure_wpaie(ndev,
34778529 3840 (struct brcmf_vs_tlv *)rsn_ie, true);
1a873342
HM		 3841 if (err < 0)
3842 goto exit;
1a873342 3843 }
1a873342 3844 } else {
d96b801f 3845 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
1f170110 3846 brcmf_configure_opensecurity(ifp);
1a873342 3847 }
1a873342 3848
a0f07959 3849 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
1a873342 3850
600a897d 3851 chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef);
06c01585 3852 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
1c9d30cf 3853 if (err < 0) {
06c01585 3854 brcmf_err("Set Channel failed: chspec=%d, %d\n", chanspec, err);
1c9d30cf
HM		 3855 goto exit;
3856 }
3857
1a873342 3858 if (settings->beacon_interval) {
ac24be6f 3859 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
81f5dcb8 3860 settings->beacon_interval);
1a873342 3861 if (err < 0) {
57d6e91a 3862 brcmf_err("Beacon Interval Set Error, %d\n", err);
1a873342
HM		 3863 goto exit;
3864 }
3865 }
3866 if (settings->dtim_period) {
ac24be6f 3867 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
81f5dcb8 3868 settings->dtim_period);
1a873342 3869 if (err < 0) {
57d6e91a 3870 brcmf_err("DTIM Interval Set Error, %d\n", err);
1a873342
HM		 3871 goto exit;
3872 }
3873 }
a0f07959
HM		 3874
3875 if (dev_role == NL80211_IFTYPE_AP) {
3876 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
3877 if (err < 0) {
3878 brcmf_err("BRCMF_C_DOWN error %d\n", err);
3879 goto exit;
3880 }
2880b868 3881 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
1a873342
HM		 3882 }
3883
a0f07959 3884 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
1a873342 3885 if (err < 0) {
a0f07959 3886 brcmf_err("SET INFRA error %d\n", err);
1a873342
HM		 3887 goto exit;
3888 }
a0f07959
HM		 3889 if (dev_role == NL80211_IFTYPE_AP) {
3890 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
3891 if (err < 0) {
3892 brcmf_err("setting AP mode failed %d\n", err);
3893 goto exit;
3894 }
3895 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
3896 if (err < 0) {
3897 brcmf_err("BRCMF_C_UP error (%d)\n", err);
3898 goto exit;
3899 }
3900
3901 memset(&join_params, 0, sizeof(join_params));
3902 /* join parameters starts with ssid */
3903 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
3904 /* create softap */
3905 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
3906 &join_params, sizeof(join_params));
3907 if (err < 0) {
3908 brcmf_err("SET SSID error (%d)\n", err);
3909 goto exit;
3910 }
3911 brcmf_dbg(TRACE, "AP mode configuration complete\n");
3912 } else {
3913 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
3914 sizeof(ssid_le));
3915 if (err < 0) {
3916 brcmf_err("setting ssid failed %d\n", err);
3917 goto exit;
3918 }
3919 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
3920 bss_enable.enable = cpu_to_le32(1);
3921 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
3922 sizeof(bss_enable));
3923 if (err < 0) {
3924 brcmf_err("bss_enable config failed %d\n", err);
3925 goto exit;
3926 }
3927
3928 brcmf_dbg(TRACE, "GO mode configuration complete\n");
3929 }
c1179033
AS		 3930 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3931 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
1a873342
HM		 3932
3933exit:
b3657453 3934 if (err) {
f96aa07e 3935 brcmf_set_mpc(ifp, 1);
b3657453
HM		 3936 brcmf_configure_arp_offload(ifp, true);
3937 }
1a873342
HM		 3938 return err;
3939}
3940
3941static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
3942{
c1179033 3943 struct brcmf_if *ifp = netdev_priv(ndev);
5c33a942 3944 s32 err;
426d0a56 3945 struct brcmf_fil_bss_enable_le bss_enable;
5c33a942 3946 struct brcmf_join_params join_params;
1a873342 3947
d96b801f 3948 brcmf_dbg(TRACE, "Enter\n");
1a873342 3949
426d0a56 3950 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
1a873342
HM		 3951 /* Due to most likely deauths outstanding we sleep */
3952 /* first to make sure they get processed by fw. */
3953 msleep(400);
5c33a942
HM		 3954
3955 memset(&join_params, 0, sizeof(join_params));
3956 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
3957 &join_params, sizeof(join_params));
3958 if (err < 0)
3959 brcmf_err("SET SSID error (%d)\n", err);
128ce3b6 3960 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5c33a942 3961 if (err < 0)
57d6e91a 3962 brcmf_err("BRCMF_C_UP error %d\n", err);
5c33a942
HM		 3963 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
3964 if (err < 0)
3965 brcmf_err("setting AP mode failed %d\n", err);
3966 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
3967 if (err < 0)
3968 brcmf_err("setting INFRA mode failed %d\n", err);
426d0a56
HM		 3969 } else {
3970 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
3971 bss_enable.enable = cpu_to_le32(0);
3972 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
3973 sizeof(bss_enable));
3974 if (err < 0)
3975 brcmf_err("bss_enable config failed %d\n", err);
1a873342 3976 }
f96aa07e 3977 brcmf_set_mpc(ifp, 1);
b3657453 3978 brcmf_configure_arp_offload(ifp, true);
426d0a56
HM		 3979 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3980 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
3981
1a873342
HM		 3982 return err;
3983}
3984
a0f07959
HM		 3985static s32
3986brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
3987 struct cfg80211_beacon_data *info)
3988{
a0f07959
HM		 3989 struct brcmf_if *ifp = netdev_priv(ndev);
3990 s32 err;
3991
3992 brcmf_dbg(TRACE, "Enter\n");
3993
a0f07959
HM		 3994 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
3995
3996 return err;
3997}
3998
1a873342
HM		 3999static int
4000brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
3b3a0162 4001 const u8 *mac)
1a873342 4002{
a0f07959 4003 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1a873342 4004 struct brcmf_scb_val_le scbval;
0abb5f21 4005 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 4006 s32 err;
4007
4008 if (!mac)
4009 return -EFAULT;
4010
d96b801f 4011 brcmf_dbg(TRACE, "Enter %pM\n", mac);
1a873342 4012
a0f07959
HM		 4013 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4014 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
ce81e317 4015 if (!check_vif_up(ifp->vif))
1a873342
HM		 4016 return -EIO;
4017
4018 memcpy(&scbval.ea, mac, ETH_ALEN);
4019 scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
0abb5f21 4020 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
81f5dcb8 4021 &scbval, sizeof(scbval));
1a873342 4022 if (err)
57d6e91a 4023 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
7ab6acd0 4024
d96b801f 4025 brcmf_dbg(TRACE, "Exit\n");
1a873342
HM		 4026 return err;
4027}
4028
0de8aace
HM		 4029
4030static void
4031brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4032 struct wireless_dev *wdev,
4033 u16 frame_type, bool reg)
4034{
7fa2e352 4035 struct brcmf_cfg80211_vif *vif;
0de8aace
HM		 4036 u16 mgmt_type;
4037
4038 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4039
4040 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
7fa2e352 4041 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
0de8aace
HM		 4042 if (reg)
4043 vif->mgmt_rx_reg |= BIT(mgmt_type);
4044 else
318a64ce 4045 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
0de8aace
HM		 4046}
4047
4048
4049static int
4050brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 4051 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
0de8aace
HM		 4052{
4053 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
b176e629
AO		 4054 struct ieee80211_channel *chan = params->chan;
4055 const u8 *buf = params->buf;
4056 size_t len = params->len;
0de8aace
HM		 4057 const struct ieee80211_mgmt *mgmt;
4058 struct brcmf_cfg80211_vif *vif;
4059 s32 err = 0;
4060 s32 ie_offset;
4061 s32 ie_len;
18e2f61d
HM		 4062 struct brcmf_fil_action_frame_le *action_frame;
4063 struct brcmf_fil_af_params_le *af_params;
4064 bool ack;
4065 s32 chan_nr;
c2ff8cad 4066 u32 freq;
0de8aace
HM		 4067
4068 brcmf_dbg(TRACE, "Enter\n");
4069
4070 *cookie = 0;
4071
4072 mgmt = (const struct ieee80211_mgmt *)buf;
4073
a0f07959
HM		 4074 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4075 brcmf_err("Driver only allows MGMT packet type\n");
4076 return -EPERM;
4077 }
0de8aace 4078
c2ff8cad
AQ		 4079 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4080
a0f07959
HM		 4081 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4082 /* Right now the only reason to get a probe response */
4083 /* is for p2p listen response or for p2p GO from */
4084 /* wpa_supplicant. Unfortunately the probe is send */
4085 /* on primary ndev, while dongle wants it on the p2p */
4086 /* vif. Since this is only reason for a probe */
4087 /* response to be sent, the vif is taken from cfg. */
4088 /* If ever desired to send proberesp for non p2p */
4089 /* response then data should be checked for */
4090 /* "DIRECT-". Note in future supplicant will take */
4091 /* dedicated p2p wdev to do this and then this 'hack'*/
4092 /* is not needed anymore. */
4093 ie_offset = DOT11_MGMT_HDR_LEN +
4094 DOT11_BCN_PRB_FIXED_LEN;
4095 ie_len = len - ie_offset;
a0f07959 4096 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
0de8aace 4097 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
a0f07959
HM		 4098 err = brcmf_vif_set_mgmt_ie(vif,
4099 BRCMF_VNDR_IE_PRBRSP_FLAG,
4100 &buf[ie_offset],
4101 ie_len);
4102 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4103 GFP_KERNEL);
18e2f61d
HM		 4104 } else if (ieee80211_is_action(mgmt->frame_control)) {
4105 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4106 if (af_params == NULL) {
4107 brcmf_err("unable to allocate frame\n");
4108 err = -ENOMEM;
4109 goto exit;
4110 }
4111 action_frame = &af_params->action_frame;
4112 /* Add the packet Id */
4113 action_frame->packet_id = cpu_to_le32(*cookie);
4114 /* Add BSSID */
4115 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4116 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4117 /* Add the length exepted for 802.11 header */
4118 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
c2ff8cad
AQ		 4119 /* Add the channel. Use the one specified as parameter if any or
4120 * the current one (got from the firmware) otherwise
4121 */
4122 if (chan)
4123 freq = chan->center_freq;
4124 else
4125 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4126 &freq);
4127 chan_nr = ieee80211_frequency_to_channel(freq);
18e2f61d
HM		 4128 af_params->channel = cpu_to_le32(chan_nr);
4129
4130 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4131 le16_to_cpu(action_frame->len));
4132
4133 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
86a9c4a2 4134 *cookie, le16_to_cpu(action_frame->len), freq);
18e2f61d 4135
7fa2e352 4136 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
18e2f61d
HM		 4137 af_params);
4138
4139 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4140 GFP_KERNEL);
4141 kfree(af_params);
a0f07959
HM		 4142 } else {
4143 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4144 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
0de8aace 4145 }
a0f07959 4146
18e2f61d 4147exit:
0de8aace
HM		 4148 return err;
4149}
4150
4151
4152static int
4153brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4154 struct wireless_dev *wdev,
4155 u64 cookie)
4156{
4157 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4158 struct brcmf_cfg80211_vif *vif;
4159 int err = 0;
4160
4161 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4162
4163 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4164 if (vif == NULL) {
4165 brcmf_err("No p2p device available for probe response\n");
4166 err = -ENODEV;
4167 goto exit;
4168 }
4169 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4170exit:
4171 return err;
4172}
4173
61730d4d
PH		 4174static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4175 struct wireless_dev *wdev,
4176 enum nl80211_crit_proto_id proto,
4177 u16 duration)
4178{
4179 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4180 struct brcmf_cfg80211_vif *vif;
4181
4182 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4183
4184 /* only DHCP support for now */
4185 if (proto != NL80211_CRIT_PROTO_DHCP)
4186 return -EINVAL;
4187
4188 /* suppress and abort scanning */
4189 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4190 brcmf_abort_scanning(cfg);
4191
4192 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4193}
4194
4195static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4196 struct wireless_dev *wdev)
4197{
4198 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4199 struct brcmf_cfg80211_vif *vif;
4200
4201 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4202
4203 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4204 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4205}
4206
70b7d94b
HM		 4207static s32
4208brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4209 const struct brcmf_event_msg *e, void *data)
4210{
4211 switch (e->reason) {
4212 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
4213 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
4214 break;
4215 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
4216 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
4217 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4218 break;
4219 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
4220 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
4221 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4222 break;
4223 }
4224
4225 return 0;
4226}
4227
89c2f382
AS		 4228static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4229{
4230 int ret;
4231
4232 switch (oper) {
4233 case NL80211_TDLS_DISCOVERY_REQ:
4234 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4235 break;
4236 case NL80211_TDLS_SETUP:
4237 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4238 break;
4239 case NL80211_TDLS_TEARDOWN:
4240 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4241 break;
4242 default:
4243 brcmf_err("unsupported operation: %d\n", oper);
4244 ret = -EOPNOTSUPP;
4245 }
4246 return ret;
4247}
4248
4249static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
3b3a0162 4250 struct net_device *ndev, const u8 *peer,
89c2f382
AS		 4251 enum nl80211_tdls_operation oper)
4252{
4253 struct brcmf_if *ifp;
4254 struct brcmf_tdls_iovar_le info;
4255 int ret = 0;
4256
4257 ret = brcmf_convert_nl80211_tdls_oper(oper);
4258 if (ret < 0)
4259 return ret;
4260
4261 ifp = netdev_priv(ndev);
4262 memset(&info, 0, sizeof(info));
4263 info.mode = (u8)ret;
4264 if (peer)
4265 memcpy(info.ea, peer, ETH_ALEN);
4266
4267 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
4268 &info, sizeof(info));
4269 if (ret < 0)
4270 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
4271
4272 return ret;
4273}
4274
5b435de0 4275static struct cfg80211_ops wl_cfg80211_ops = {
9f440b7b
AS		 4276 .add_virtual_intf = brcmf_cfg80211_add_iface,
4277 .del_virtual_intf = brcmf_cfg80211_del_iface,
5b435de0
AS		 4278 .change_virtual_intf = brcmf_cfg80211_change_iface,
4279 .scan = brcmf_cfg80211_scan,
4280 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
4281 .join_ibss = brcmf_cfg80211_join_ibss,
4282 .leave_ibss = brcmf_cfg80211_leave_ibss,
4283 .get_station = brcmf_cfg80211_get_station,
4284 .set_tx_power = brcmf_cfg80211_set_tx_power,
4285 .get_tx_power = brcmf_cfg80211_get_tx_power,
4286 .add_key = brcmf_cfg80211_add_key,
4287 .del_key = brcmf_cfg80211_del_key,
4288 .get_key = brcmf_cfg80211_get_key,
4289 .set_default_key = brcmf_cfg80211_config_default_key,
4290 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
4291 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
5b435de0
AS		 4292 .connect = brcmf_cfg80211_connect,
4293 .disconnect = brcmf_cfg80211_disconnect,
4294 .suspend = brcmf_cfg80211_suspend,
4295 .resume = brcmf_cfg80211_resume,
4296 .set_pmksa = brcmf_cfg80211_set_pmksa,
4297 .del_pmksa = brcmf_cfg80211_del_pmksa,
cbaa177d 4298 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
1a873342
HM		 4299 .start_ap = brcmf_cfg80211_start_ap,
4300 .stop_ap = brcmf_cfg80211_stop_ap,
a0f07959 4301 .change_beacon = brcmf_cfg80211_change_beacon,
1a873342 4302 .del_station = brcmf_cfg80211_del_station,
e5806072
AS		 4303 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
4304 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
0de8aace
HM		 4305 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
4306 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
4307 .remain_on_channel = brcmf_p2p_remain_on_channel,
4308 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
27f10e38
AS		 4309 .start_p2p_device = brcmf_p2p_start_device,
4310 .stop_p2p_device = brcmf_p2p_stop_device,
61730d4d
PH		 4311 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
4312 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
89c2f382 4313 .tdls_oper = brcmf_cfg80211_tdls_oper,
5b435de0
AS		 4314};
4315
3eacf866 4316struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
9f440b7b
AS		 4317 enum nl80211_iftype type,
4318 bool pm_block)
3eacf866
AS		 4319{
4320 struct brcmf_cfg80211_vif *vif;
5b435de0 4321
33a6b157 4322 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
9f440b7b 4323 sizeof(*vif));
3eacf866
AS		 4324 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
4325 if (!vif)
4326 return ERR_PTR(-ENOMEM);
4327
4328 vif->wdev.wiphy = cfg->wiphy;
9f440b7b 4329 vif->wdev.iftype = type;
5b435de0 4330
3eacf866
AS		 4331 vif->pm_block = pm_block;
4332 vif->roam_off = -1;
4333
6ac4f4ed
AS		 4334 brcmf_init_prof(&vif->profile);
4335
3eacf866 4336 list_add_tail(&vif->list, &cfg->vif_list);
3eacf866 4337 return vif;
5b435de0
AS		 4338}
4339
427dec5f 4340void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5b435de0 4341{
3eacf866 4342 list_del(&vif->list);
3eacf866 4343 kfree(vif);
5b435de0
AS		 4344}
4345
9df4d542
AS		 4346void brcmf_cfg80211_free_netdev(struct net_device *ndev)
4347{
4348 struct brcmf_cfg80211_vif *vif;
4349 struct brcmf_if *ifp;
4350
4351 ifp = netdev_priv(ndev);
4352 vif = ifp->vif;
4353
4354 brcmf_free_vif(vif);
4355 free_netdev(ndev);
4356}
4357
903e0eee 4358static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
5b435de0 4359{
5c36b99a
AS		 4360 u32 event = e->event_code;
4361 u32 status = e->status;
5b435de0
AS		 4362
4363 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
16886735 4364 brcmf_dbg(CONN, "Processing set ssid\n");
5b435de0
AS		 4365 return true;
4366 }
4367
4368 return false;
4369}
4370
903e0eee 4371static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
5b435de0 4372{
5c36b99a
AS		 4373 u32 event = e->event_code;
4374 u16 flags = e->flags;
5b435de0 4375
68ca395f
HM		 4376 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
4377 (event == BRCMF_E_DISASSOC_IND) ||
4378 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
16886735 4379 brcmf_dbg(CONN, "Processing link down\n");
5b435de0
AS		 4380 return true;
4381 }
4382 return false;
4383}
4384
27a68fe3 4385static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4386 const struct brcmf_event_msg *e)
4387{
5c36b99a
AS		 4388 u32 event = e->event_code;
4389 u32 status = e->status;
5b435de0
AS		 4390
4391 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
16886735
AS		 4392 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
4393 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
5b435de0
AS		 4394 return true;
4395 }
4396
4397 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
16886735 4398 brcmf_dbg(CONN, "Processing connecting & no network found\n");
5b435de0
AS		 4399 return true;
4400 }
4401
4402 return false;
4403}
4404
27a68fe3 4405static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5b435de0 4406{
27a68fe3 4407 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4408
4409 kfree(conn_info->req_ie);
4410 conn_info->req_ie = NULL;
4411 conn_info->req_ie_len = 0;
4412 kfree(conn_info->resp_ie);
4413 conn_info->resp_ie = NULL;
4414 conn_info->resp_ie_len = 0;
4415}
4416
89286dc9
HM		 4417static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
4418 struct brcmf_if *ifp)
5b435de0 4419{
c4e382d2 4420 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
27a68fe3 4421 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4422 u32 req_len;
4423 u32 resp_len;
4424 s32 err = 0;
4425
27a68fe3 4426 brcmf_clear_assoc_ies(cfg);
5b435de0 4427
ac24be6f
AS		 4428 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
4429 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5b435de0 4430 if (err) {
57d6e91a 4431 brcmf_err("could not get assoc info (%d)\n", err);
5b435de0
AS		 4432 return err;
4433 }
c4e382d2 4434 assoc_info =
27a68fe3 4435 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
c4e382d2
AS		 4436 req_len = le32_to_cpu(assoc_info->req_len);
4437 resp_len = le32_to_cpu(assoc_info->resp_len);
5b435de0 4438 if (req_len) {
ac24be6f 4439 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
81f5dcb8
HM		 4440 cfg->extra_buf,
4441 WL_ASSOC_INFO_MAX);
5b435de0 4442 if (err) {
57d6e91a 4443 brcmf_err("could not get assoc req (%d)\n", err);
5b435de0
AS		 4444 return err;
4445 }
4446 conn_info->req_ie_len = req_len;
4447 conn_info->req_ie =
27a68fe3 4448 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5b435de0
AS		 4449 GFP_KERNEL);
4450 } else {
4451 conn_info->req_ie_len = 0;
4452 conn_info->req_ie = NULL;
4453 }
4454 if (resp_len) {
ac24be6f 4455 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
81f5dcb8
HM		 4456 cfg->extra_buf,
4457 WL_ASSOC_INFO_MAX);
5b435de0 4458 if (err) {
57d6e91a 4459 brcmf_err("could not get assoc resp (%d)\n", err);
5b435de0
AS		 4460 return err;
4461 }
4462 conn_info->resp_ie_len = resp_len;
4463 conn_info->resp_ie =
27a68fe3 4464 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5b435de0
AS		 4465 GFP_KERNEL);
4466 } else {
4467 conn_info->resp_ie_len = 0;
4468 conn_info->resp_ie = NULL;
4469 }
16886735
AS		 4470 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
4471 conn_info->req_ie_len, conn_info->resp_ie_len);
5b435de0
AS		 4472
4473 return err;
4474}
4475
4476static s32
27a68fe3 4477brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4478 struct net_device *ndev,
4479 const struct brcmf_event_msg *e)
4480{
c1179033
AS		 4481 struct brcmf_if *ifp = netdev_priv(ndev);
4482 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3
AS		 4483 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4484 struct wiphy *wiphy = cfg_to_wiphy(cfg);
a180b83b 4485 struct ieee80211_channel *notify_channel = NULL;
5b435de0 4486 struct ieee80211_supported_band *band;
a180b83b 4487 struct brcmf_bss_info_le *bi;
83cf17aa 4488 struct brcmu_chan ch;
5b435de0
AS		 4489 u32 freq;
4490 s32 err = 0;
a180b83b 4491 u8 *buf;
5b435de0 4492
d96b801f 4493 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4494
89286dc9 4495 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4496 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9 4497 brcmf_update_bss_info(cfg, ifp);
5b435de0 4498
a180b83b
FL		 4499 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
4500 if (buf == NULL) {
4501 err = -ENOMEM;
4502 goto done;
4503 }
4504
4505 /* data sent to dongle has to be little endian */
4506 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
c1179033 4507 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
ac24be6f 4508 buf, WL_BSS_INFO_MAX);
a180b83b
FL		 4509
4510 if (err)
4511 goto done;
5b435de0 4512
a180b83b 4513 bi = (struct brcmf_bss_info_le *)(buf + 4);
83cf17aa
FL		 4514 ch.chspec = le16_to_cpu(bi->chanspec);
4515 cfg->d11inf.decchspec(&ch);
5b435de0 4516
83cf17aa 4517 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 4518 band = wiphy->bands[IEEE80211_BAND_2GHZ];
4519 else
4520 band = wiphy->bands[IEEE80211_BAND_5GHZ];
4521
83cf17aa 4522 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 4523 notify_channel = ieee80211_get_channel(wiphy, freq);
4524
a180b83b
FL		 4525done:
4526 kfree(buf);
06bb123e 4527 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
5b435de0
AS		 4528 conn_info->req_ie, conn_info->req_ie_len,
4529 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
16886735 4530 brcmf_dbg(CONN, "Report roaming result\n");
5b435de0 4531
c1179033 4532 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
d96b801f 4533 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 4534 return err;
4535}
4536
4537static s32
27a68fe3 4538brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4539 struct net_device *ndev, const struct brcmf_event_msg *e,
4540 bool completed)
4541{
c1179033
AS		 4542 struct brcmf_if *ifp = netdev_priv(ndev);
4543 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3 4544 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0 4545
d96b801f 4546 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4547
c1179033
AS		 4548 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4549 &ifp->vif->sme_state)) {
5b435de0 4550 if (completed) {
89286dc9 4551 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4552 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9
HM		 4553 brcmf_update_bss_info(cfg, ifp);
4554 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4555 &ifp->vif->sme_state);
5b435de0
AS		 4556 }
4557 cfg80211_connect_result(ndev,
06bb123e 4558 (u8 *)profile->bssid,
5b435de0
AS		 4559 conn_info->req_ie,
4560 conn_info->req_ie_len,
4561 conn_info->resp_ie,
4562 conn_info->resp_ie_len,
4563 completed ? WLAN_STATUS_SUCCESS :
4564 WLAN_STATUS_AUTH_TIMEOUT,
4565 GFP_KERNEL);
16886735
AS		 4566 brcmf_dbg(CONN, "Report connect result - connection %s\n",
4567 completed ? "succeeded" : "failed");
5b435de0 4568 }
d96b801f 4569 brcmf_dbg(TRACE, "Exit\n");
12f32370 4570 return 0;
5b435de0
AS		 4571}
4572
4573static s32
27a68fe3 4574brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
1a873342
HM		 4575 struct net_device *ndev,
4576 const struct brcmf_event_msg *e, void *data)
4577{
7ee29602 4578 static int generation;
5c36b99a
AS		 4579 u32 event = e->event_code;
4580 u32 reason = e->reason;
1a873342
HM		 4581 struct station_info sinfo;
4582
16886735 4583 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
5f4f9f11
AS		 4584 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
4585 ndev != cfg_to_ndev(cfg)) {
4586 brcmf_dbg(CONN, "AP mode link down\n");
4587 complete(&cfg->vif_disabled);
4588 return 0;
4589 }
1a873342 4590
1a873342 4591 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
7ee29602
HM		 4592 (reason == BRCMF_E_STATUS_SUCCESS)) {
4593 memset(&sinfo, 0, sizeof(sinfo));
1a873342
HM		 4594 sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
4595 if (!data) {
57d6e91a 4596 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
1a873342
HM		 4597 return -EINVAL;
4598 }
4599 sinfo.assoc_req_ies = data;
7ee29602 4600 sinfo.assoc_req_ies_len = e->datalen;
1a873342
HM		 4601 generation++;
4602 sinfo.generation = generation;
7ee29602 4603 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
1a873342
HM		 4604 } else if ((event == BRCMF_E_DISASSOC_IND) ||
4605 (event == BRCMF_E_DEAUTH_IND) ||
4606 (event == BRCMF_E_DEAUTH)) {
7ee29602 4607 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
1a873342 4608 }
7ee29602 4609 return 0;
1a873342
HM		 4610}
4611
5b435de0 4612static s32
1993732e 4613brcmf_notify_connect_status(struct brcmf_if *ifp,
5b435de0
AS		 4614 const struct brcmf_event_msg *e, void *data)
4615{
1993732e
AS		 4616 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4617 struct net_device *ndev = ifp->ndev;
c1179033 4618 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
fe94f3a4 4619 struct ieee80211_channel *chan;
5b435de0
AS		 4620 s32 err = 0;
4621
8851cce0
HM		 4622 if ((e->event_code == BRCMF_E_DEAUTH) ||
4623 (e->event_code == BRCMF_E_DEAUTH_IND) ||
4624 (e->event_code == BRCMF_E_DISASSOC_IND) ||
4625 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
4626 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4627 }
4628
967fe2c8 4629 if (brcmf_is_apmode(ifp->vif)) {
27a68fe3 4630 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
903e0eee 4631 } else if (brcmf_is_linkup(e)) {
16886735 4632 brcmf_dbg(CONN, "Linkup\n");
128ce3b6 4633 if (brcmf_is_ibssmode(ifp->vif)) {
fe94f3a4 4634 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
6c8c4f72 4635 memcpy(profile->bssid, e->addr, ETH_ALEN);
27a68fe3 4636 wl_inform_ibss(cfg, ndev, e->addr);
fe94f3a4 4637 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
c1179033
AS		 4638 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4639 &ifp->vif->sme_state);
4640 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4641 &ifp->vif->sme_state);
5b435de0 4642 } else
27a68fe3 4643 brcmf_bss_connect_done(cfg, ndev, e, true);
903e0eee 4644 } else if (brcmf_is_linkdown(e)) {
16886735 4645 brcmf_dbg(CONN, "Linkdown\n");
128ce3b6 4646 if (!brcmf_is_ibssmode(ifp->vif)) {
27a68fe3 4647 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0 4648 }
903e0eee 4649 brcmf_link_down(ifp->vif);
6ac4f4ed 4650 brcmf_init_prof(ndev_to_prof(ndev));
5f4f9f11
AS		 4651 if (ndev != cfg_to_ndev(cfg))
4652 complete(&cfg->vif_disabled);
27a68fe3 4653 } else if (brcmf_is_nonetwork(cfg, e)) {
128ce3b6 4654 if (brcmf_is_ibssmode(ifp->vif))
c1179033
AS		 4655 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4656 &ifp->vif->sme_state);
5b435de0 4657 else
27a68fe3 4658 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0
AS		 4659 }
4660
4661 return err;
4662}
4663
4664static s32
1993732e 4665brcmf_notify_roaming_status(struct brcmf_if *ifp,
5b435de0
AS		 4666 const struct brcmf_event_msg *e, void *data)
4667{
1993732e 4668 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5c36b99a
AS		 4669 u32 event = e->event_code;
4670 u32 status = e->status;
5b435de0
AS		 4671
4672 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
c1179033 4673 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
1993732e 4674 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
5b435de0 4675 else
1993732e 4676 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
5b435de0
AS		 4677 }
4678
12f32370 4679 return 0;
5b435de0
AS		 4680}
4681
4682static s32
1993732e 4683brcmf_notify_mic_status(struct brcmf_if *ifp,
5b435de0
AS		 4684 const struct brcmf_event_msg *e, void *data)
4685{
5c36b99a 4686 u16 flags = e->flags;
5b435de0
AS		 4687 enum nl80211_key_type key_type;
4688
4689 if (flags & BRCMF_EVENT_MSG_GROUP)
4690 key_type = NL80211_KEYTYPE_GROUP;
4691 else
4692 key_type = NL80211_KEYTYPE_PAIRWISE;
4693
1993732e 4694 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
5b435de0
AS		 4695 NULL, GFP_KERNEL);
4696
4697 return 0;
4698}
4699
d3c0b633
AS		 4700static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
4701 const struct brcmf_event_msg *e, void *data)
4702{
4703 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4704 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
4705 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
4706 struct brcmf_cfg80211_vif *vif;
4707
4708 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
4709 ifevent->action, ifevent->flags, ifevent->ifidx,
4710 ifevent->bssidx);
4711
d3c0b633
AS		 4712 mutex_lock(&event->vif_event_lock);
4713 event->action = ifevent->action;
4714 vif = event->vif;
4715
4716 switch (ifevent->action) {
4717 case BRCMF_E_IF_ADD:
4718 /* waiting process may have timed out */
dc4a787c
WY		 4719 if (!cfg->vif_event.vif) {
4720 mutex_unlock(&event->vif_event_lock);
d3c0b633 4721 return -EBADF;
dc4a787c 4722 }
d3c0b633
AS		 4723
4724 ifp->vif = vif;
4725 vif->ifp = ifp;
01b8e7db
AS		 4726 if (ifp->ndev) {
4727 vif->wdev.netdev = ifp->ndev;
4728 ifp->ndev->ieee80211_ptr = &vif->wdev;
4729 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
4730 }
d3c0b633
AS		 4731 mutex_unlock(&event->vif_event_lock);
4732 wake_up(&event->vif_wq);
4b3a89de 4733 return 0;
d3c0b633
AS		 4734
4735 case BRCMF_E_IF_DEL:
d3c0b633
AS		 4736 mutex_unlock(&event->vif_event_lock);
4737 /* event may not be upon user request */
4738 if (brcmf_cfg80211_vif_event_armed(cfg))
4739 wake_up(&event->vif_wq);
4740 return 0;
4741
7a5c1f64
HM		 4742 case BRCMF_E_IF_CHANGE:
4743 mutex_unlock(&event->vif_event_lock);
4744 wake_up(&event->vif_wq);
4745 return 0;
4746
d3c0b633
AS		 4747 default:
4748 mutex_unlock(&event->vif_event_lock);
4749 break;
4750 }
4751 return -EINVAL;
4752}
4753
5b435de0
AS		 4754static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
4755{
5b435de0
AS		 4756 conf->frag_threshold = (u32)-1;
4757 conf->rts_threshold = (u32)-1;
4758 conf->retry_short = (u32)-1;
4759 conf->retry_long = (u32)-1;
4760 conf->tx_power = -1;
4761}
4762
5c36b99a 4763static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5b435de0 4764{
5c36b99a
AS		 4765 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
4766 brcmf_notify_connect_status);
4767 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
4768 brcmf_notify_connect_status);
4769 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
4770 brcmf_notify_connect_status);
4771 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
4772 brcmf_notify_connect_status);
4773 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
4774 brcmf_notify_connect_status);
4775 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
4776 brcmf_notify_connect_status);
4777 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
4778 brcmf_notify_roaming_status);
4779 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
4780 brcmf_notify_mic_status);
4781 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
4782 brcmf_notify_connect_status);
4783 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
4784 brcmf_notify_sched_scan_results);
d3c0b633
AS		 4785 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
4786 brcmf_notify_vif_event);
0de8aace 4787 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
6eda4e2c 4788 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
0de8aace
HM		 4789 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
4790 brcmf_p2p_notify_listen_complete);
e6da3400
HM		 4791 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
4792 brcmf_p2p_notify_action_frame_rx);
18e2f61d
HM		 4793 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
4794 brcmf_p2p_notify_action_tx_complete);
6eda4e2c
HM		 4795 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
4796 brcmf_p2p_notify_action_tx_complete);
5b435de0
AS		 4797}
4798
27a68fe3
AS		 4799static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
4800{
27a68fe3
AS		 4801 kfree(cfg->conf);
4802 cfg->conf = NULL;
27a68fe3
AS		 4803 kfree(cfg->escan_ioctl_buf);
4804 cfg->escan_ioctl_buf = NULL;
27a68fe3
AS		 4805 kfree(cfg->extra_buf);
4806 cfg->extra_buf = NULL;
27a68fe3
AS		 4807 kfree(cfg->pmk_list);
4808 cfg->pmk_list = NULL;
27a68fe3
AS		 4809}
4810
4811static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
4812{
27a68fe3
AS		 4813 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
4814 if (!cfg->conf)
5b435de0 4815 goto init_priv_mem_out;
27a68fe3
AS		 4816 cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
4817 if (!cfg->escan_ioctl_buf)
e756af5b 4818 goto init_priv_mem_out;
27a68fe3
AS		 4819 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
4820 if (!cfg->extra_buf)
5b435de0 4821 goto init_priv_mem_out;
27a68fe3
AS		 4822 cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
4823 if (!cfg->pmk_list)
5b435de0
AS		 4824 goto init_priv_mem_out;
4825
4826 return 0;
4827
4828init_priv_mem_out:
27a68fe3 4829 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 4830
4831 return -ENOMEM;
4832}
4833
27a68fe3 4834static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 4835{
4836 s32 err = 0;
4837
27a68fe3
AS		 4838 cfg->scan_request = NULL;
4839 cfg->pwr_save = true;
68ca395f
HM		 4840 cfg->active_scan = true; /* we do active scan per default */
4841 cfg->dongle_up = false; /* dongle is not up yet */
27a68fe3 4842 err = brcmf_init_priv_mem(cfg);
5b435de0
AS		 4843 if (err)
4844 return err;
5c36b99a 4845 brcmf_register_event_handlers(cfg);
27a68fe3 4846 mutex_init(&cfg->usr_sync);
27a68fe3
AS		 4847 brcmf_init_escan(cfg);
4848 brcmf_init_conf(cfg->conf);
5f4f9f11 4849 init_completion(&cfg->vif_disabled);
5b435de0
AS		 4850 return err;
4851}
4852
27a68fe3 4853static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5b435de0 4854{
27a68fe3 4855 cfg->dongle_up = false; /* dongle down */
27a68fe3
AS		 4856 brcmf_abort_scanning(cfg);
4857 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 4858}
4859
d3c0b633
AS		 4860static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
4861{
4862 init_waitqueue_head(&event->vif_wq);
d3c0b633
AS		 4863 mutex_init(&event->vif_event_lock);
4864}
4865
5b435de0 4866static s32
68ca395f 4867brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
5b435de0 4868{
5b435de0 4869 s32 err = 0;
f588bc0c
AS		 4870 __le32 roamtrigger[2];
4871 __le32 roam_delta[2];
5b435de0
AS		 4872
4873 /*
4874 * Setup timeout if Beacons are lost and roam is
4875 * off to report link down
4876 */
68ca395f 4877 if (brcmf_roamoff) {
ac24be6f 4878 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5b435de0 4879 if (err) {
57d6e91a 4880 brcmf_err("bcn_timeout error (%d)\n", err);
5b435de0
AS		 4881 goto dongle_rom_out;
4882 }
4883 }
4884
4885 /*
4886 * Enable/Disable built-in roaming to allow supplicant
4887 * to take care of roaming
4888 */
68ca395f
HM		 4889 brcmf_dbg(INFO, "Internal Roaming = %s\n",
4890 brcmf_roamoff ? "Off" : "On");
4891 err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
5b435de0 4892 if (err) {
57d6e91a 4893 brcmf_err("roam_off error (%d)\n", err);
5b435de0
AS		 4894 goto dongle_rom_out;
4895 }
4896
f588bc0c
AS		 4897 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
4898 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 4899 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
81f5dcb8 4900 (void *)roamtrigger, sizeof(roamtrigger));
5b435de0 4901 if (err) {
57d6e91a 4902 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
5b435de0
AS		 4903 goto dongle_rom_out;
4904 }
4905
f588bc0c
AS		 4906 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
4907 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 4908 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
81f5dcb8 4909 (void *)roam_delta, sizeof(roam_delta));
5b435de0 4910 if (err) {
57d6e91a 4911 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
5b435de0
AS		 4912 goto dongle_rom_out;
4913 }
4914
4915dongle_rom_out:
4916 return err;
4917}
4918
4919static s32
40a23296 4920brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
c68cdc0f 4921 s32 scan_unassoc_time, s32 scan_passive_time)
5b435de0
AS		 4922{
4923 s32 err = 0;
4924
ac24be6f 4925 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
81f5dcb8 4926 scan_assoc_time);
5b435de0
AS		 4927 if (err) {
4928 if (err == -EOPNOTSUPP)
647c9ae0 4929 brcmf_dbg(INFO, "Scan assoc time is not supported\n");
5b435de0 4930 else
57d6e91a 4931 brcmf_err("Scan assoc time error (%d)\n", err);
5b435de0
AS		 4932 goto dongle_scantime_out;
4933 }
ac24be6f 4934 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
81f5dcb8 4935 scan_unassoc_time);
5b435de0
AS		 4936 if (err) {
4937 if (err == -EOPNOTSUPP)
647c9ae0 4938 brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
5b435de0 4939 else
57d6e91a 4940 brcmf_err("Scan unassoc time error (%d)\n", err);
5b435de0
AS		 4941 goto dongle_scantime_out;
4942 }
4943
ac24be6f 4944 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
81f5dcb8 4945 scan_passive_time);
5b435de0
AS		 4946 if (err) {
4947 if (err == -EOPNOTSUPP)
647c9ae0 4948 brcmf_dbg(INFO, "Scan passive time is not supported\n");
5b435de0 4949 else
57d6e91a 4950 brcmf_err("Scan passive time error (%d)\n", err);
5b435de0
AS		 4951 goto dongle_scantime_out;
4952 }
4953
4954dongle_scantime_out:
4955 return err;
4956}
4957
b48d8916
AS		 4958/* Filter the list of channels received from firmware counting only
4959 * the 20MHz channels. The wiphy band data only needs those which get
4960 * flagged to indicate if they can take part in higher bandwidth.
4961 */
4962static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
4963 struct brcmf_chanspec_list *chlist,
4964 u32 chcnt[])
4965{
4966 u32 total = le32_to_cpu(chlist->count);
4967 struct brcmu_chan ch;
4968 int i;
4969
f8adaf0a 4970 for (i = 0; i < total; i++) {
b48d8916
AS		 4971 ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
4972 cfg->d11inf.decchspec(&ch);
4973
4974 /* Firmware gives a ordered list. We skip non-20MHz
4975 * channels is 2G. For 5G we can abort upon reaching
4976 * a non-20MHz channel in the list.
4977 */
4978 if (ch.bw != BRCMU_CHAN_BW_20) {
4979 if (ch.band == BRCMU_CHAN_BAND_5G)
4980 break;
4981 else
4982 continue;
4983 }
4984
4985 if (ch.band == BRCMU_CHAN_BAND_2G)
4986 chcnt[0] += 1;
4987 else if (ch.band == BRCMU_CHAN_BAND_5G)
4988 chcnt[1] += 1;
4989 }
4990}
4991
4992static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
4993 struct brcmu_chan *ch)
4994{
4995 u32 ht40_flag;
d48200ba 4996
b48d8916
AS		 4997 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
4998 if (ch->sb == BRCMU_CHAN_SB_U) {
4999 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5000 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5001 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5002 } else {
5003 /* It should be one of
5004 * IEEE80211_CHAN_NO_HT40 or
5005 * IEEE80211_CHAN_NO_HT40PLUS
5006 */
5007 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5008 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5009 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5010 }
5011}
5012
5013static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5014 u32 bw_cap[])
d48200ba
HM		 5015{
5016 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
b48d8916
AS		 5017 struct ieee80211_supported_band *band;
5018 struct ieee80211_channel *channel;
5019 struct wiphy *wiphy;
d48200ba 5020 struct brcmf_chanspec_list *list;
83cf17aa 5021 struct brcmu_chan ch;
b48d8916 5022 int err;
d48200ba
HM		 5023 u8 *pbuf;
5024 u32 i, j;
5025 u32 total;
b48d8916
AS		 5026 u32 chaninfo;
5027 u32 chcnt[2] = { 0, 0 };
d48200ba 5028 u32 index;
d48200ba
HM		 5029
5030 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5031
5032 if (pbuf == NULL)
5033 return -ENOMEM;
5034
5035 list = (struct brcmf_chanspec_list *)pbuf;
5036
5037 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5038 BRCMF_DCMD_MEDLEN);
5039 if (err) {
5040 brcmf_err("get chanspecs error (%d)\n", err);
b48d8916 5041 goto fail_pbuf;
d48200ba
HM		 5042 }
5043
b48d8916
AS		 5044 brcmf_count_20mhz_channels(cfg, list, chcnt);
5045 wiphy = cfg_to_wiphy(cfg);
5046 if (chcnt[0]) {
5047 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
5048 GFP_KERNEL);
5049 if (band == NULL) {
5050 err = -ENOMEM;
5051 goto fail_pbuf;
5052 }
5053 band->channels = kcalloc(chcnt[0], sizeof(*channel),
5054 GFP_KERNEL);
5055 if (band->channels == NULL) {
5056 kfree(band);
5057 err = -ENOMEM;
5058 goto fail_pbuf;
5059 }
5060 band->n_channels = 0;
5061 wiphy->bands[IEEE80211_BAND_2GHZ] = band;
5062 }
5063 if (chcnt[1]) {
5064 band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
5065 GFP_KERNEL);
5066 if (band == NULL) {
5067 err = -ENOMEM;
5068 goto fail_band2g;
5069 }
5070 band->channels = kcalloc(chcnt[1], sizeof(*channel),
5071 GFP_KERNEL);
5072 if (band->channels == NULL) {
5073 kfree(band);
5074 err = -ENOMEM;
5075 goto fail_band2g;
5076 }
5077 band->n_channels = 0;
5078 wiphy->bands[IEEE80211_BAND_5GHZ] = band;
5079 }
d48200ba
HM		 5080
5081 total = le32_to_cpu(list->count);
5082 for (i = 0; i < total; i++) {
83cf17aa
FL		 5083 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5084 cfg->d11inf.decchspec(&ch);
d48200ba 5085
83cf17aa 5086 if (ch.band == BRCMU_CHAN_BAND_2G) {
b48d8916 5087 band = wiphy->bands[IEEE80211_BAND_2GHZ];
83cf17aa 5088 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
b48d8916 5089 band = wiphy->bands[IEEE80211_BAND_5GHZ];
d48200ba 5090 } else {
2375d970 5091 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
d48200ba
HM		 5092 continue;
5093 }
b48d8916 5094 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
2375d970 5095 ch.bw == BRCMU_CHAN_BW_40)
d48200ba 5096 continue;
b48d8916 5097 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
ee942ecc
AS		 5098 ch.bw == BRCMU_CHAN_BW_80)
5099 continue;
b48d8916
AS		 5100
5101 channel = band->channels;
5102 index = band->n_channels;
5103 for (j = 0; j < band->n_channels; j++) {
5104 if (channel[j].hw_value == ch.chnum) {
5105 index = j;
d48200ba
HM		 5106 break;
5107 }
5108 }
b48d8916
AS		 5109 channel[index].center_freq =
5110 ieee80211_channel_to_frequency(ch.chnum, band->band);
5111 channel[index].hw_value = ch.chnum;
5112
5113 /* assuming the chanspecs order is HT20,
5114 * HT40 upper, HT40 lower, and VHT80.
5115 */
5116 if (ch.bw == BRCMU_CHAN_BW_80) {
5117 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5118 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5119 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5120 } else {
5121 /* disable other bandwidths for now as mentioned
5122 * order assure they are enabled for subsequent
5123 * chanspecs.
ee942ecc 5124 */
b48d8916
AS		 5125 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5126 IEEE80211_CHAN_NO_80MHZ;
5127 ch.bw = BRCMU_CHAN_BW_20;
5128 cfg->d11inf.encchspec(&ch);
5129 chaninfo = ch.chspec;
5130 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5131 &chaninfo);
5132 if (!err) {
5133 if (chaninfo & WL_CHAN_RADAR)
5134 channel[index].flags |=
5135 (IEEE80211_CHAN_RADAR |
5136 IEEE80211_CHAN_NO_IR);
5137 if (chaninfo & WL_CHAN_PASSIVE)
5138 channel[index].flags |=
5139 IEEE80211_CHAN_NO_IR;
d48200ba 5140 }
d48200ba 5141 }
b48d8916
AS		 5142 if (index == band->n_channels)
5143 band->n_channels++;
d48200ba 5144 }
b48d8916
AS		 5145 kfree(pbuf);
5146 return 0;
5147
5148fail_band2g:
5149 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5150 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5151 wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
5152fail_pbuf:
d48200ba
HM		 5153 kfree(pbuf);
5154 return err;
5155}
5156
b48d8916 5157static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
aa70b4fa 5158{
b48d8916
AS		 5159 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5160 struct ieee80211_supported_band *band;
aa70b4fa 5161 struct brcmf_fil_bwcap_le band_bwcap;
b48d8916
AS		 5162 struct brcmf_chanspec_list *list;
5163 u8 *pbuf;
aa70b4fa
AS		 5164 u32 val;
5165 int err;
b48d8916
AS		 5166 struct brcmu_chan ch;
5167 u32 num_chan;
5168 int i, j;
aa70b4fa
AS		 5169
5170 /* verify support for bw_cap command */
5171 val = WLC_BAND_5G;
5172 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5173
5174 if (!err) {
5175 /* only set 2G bandwidth using bw_cap command */
5176 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5177 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5178 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5179 sizeof(band_bwcap));
5180 } else {
5181 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5182 val = WLC_N_BW_40ALL;
5183 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5184 }
b48d8916
AS		 5185
5186 if (!err) {
5187 /* update channel info in 2G band */
5188 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5189
5190 if (pbuf == NULL)
5191 return -ENOMEM;
5192
5193 ch.band = BRCMU_CHAN_BAND_2G;
5194 ch.bw = BRCMU_CHAN_BW_40;
fac7d2a3 5195 ch.sb = BRCMU_CHAN_SB_NONE;
b48d8916
AS		 5196 ch.chnum = 0;
5197 cfg->d11inf.encchspec(&ch);
5198
5199 /* pass encoded chanspec in query */
5200 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5201
5202 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5203 BRCMF_DCMD_MEDLEN);
5204 if (err) {
5205 brcmf_err("get chanspecs error (%d)\n", err);
5206 kfree(pbuf);
5207 return err;
5208 }
5209
5210 band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
5211 list = (struct brcmf_chanspec_list *)pbuf;
5212 num_chan = le32_to_cpu(list->count);
5213 for (i = 0; i < num_chan; i++) {
5214 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5215 cfg->d11inf.decchspec(&ch);
5216 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5217 continue;
5218 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5219 continue;
5220 for (j = 0; j < band->n_channels; j++) {
5221 if (band->channels[j].hw_value == ch.chnum)
5222 break;
5223 }
5224 if (WARN_ON(j == band->n_channels))
5225 continue;
5226
5227 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5228 }
fac7d2a3 5229 kfree(pbuf);
b48d8916 5230 }
aa70b4fa
AS		 5231 return err;
5232}
5233
2375d970
AS		 5234static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5235{
5236 u32 band, mimo_bwcap;
5237 int err;
5238
5239 band = WLC_BAND_2G;
5240 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5241 if (!err) {
5242 bw_cap[IEEE80211_BAND_2GHZ] = band;
5243 band = WLC_BAND_5G;
5244 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5245 if (!err) {
5246 bw_cap[IEEE80211_BAND_5GHZ] = band;
5247 return;
5248 }
5249 WARN_ON(1);
5250 return;
5251 }
5252 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5253 mimo_bwcap = 0;
5254 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5255 if (err)
5256 /* assume 20MHz if firmware does not give a clue */
5257 mimo_bwcap = WLC_N_BW_20ALL;
5258
5259 switch (mimo_bwcap) {
5260 case WLC_N_BW_40ALL:
5261 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
5262 /* fall-thru */
5263 case WLC_N_BW_20IN2G_40IN5G:
5264 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
5265 /* fall-thru */
5266 case WLC_N_BW_20ALL:
5267 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5268 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
5269 break;
5270 default:
5271 brcmf_err("invalid mimo_bw_cap value\n");
5272 }
5273}
d48200ba 5274
18d6c535
AS		 5275static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5276 u32 bw_cap[2], u32 nchain)
5277{
5278 band->ht_cap.ht_supported = true;
5279 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5280 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5281 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5282 }
5283 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5284 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5285 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5286 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5287 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5288 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5289}
5290
5291static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
5292{
5293 u16 mcs_map;
5294 int i;
5295
5296 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
5297 mcs_map = (mcs_map << 2) | supp;
5298
5299 return cpu_to_le16(mcs_map);
5300}
5301
5302static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
5303 u32 bw_cap[2], u32 nchain)
5304{
5305 __le16 mcs_map;
5306
5307 /* not allowed in 2.4G band */
5308 if (band->band == IEEE80211_BAND_2GHZ)
5309 return;
5310
5311 band->vht_cap.vht_supported = true;
5312 /* 80MHz is mandatory */
5313 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
5314 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
5315 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
5316 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
5317 }
5318 /* all support 256-QAM */
5319 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
5320 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
5321 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
5322}
5323
b48d8916 5324static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5b435de0 5325{
b48d8916 5326 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
ac24be6f 5327 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
18d6c535
AS		 5328 u32 nmode = 0;
5329 u32 vhtmode = 0;
b48d8916 5330 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
4aca7a18
DK		 5331 u32 rxchain;
5332 u32 nchain;
b48d8916 5333 int err;
d48200ba 5334 s32 i;
2375d970 5335 struct ieee80211_supported_band *band;
5b435de0 5336
18d6c535 5337 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
d48200ba
HM		 5338 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
5339 if (err) {
5340 brcmf_err("nmode error (%d)\n", err);
5341 } else {
2375d970 5342 brcmf_get_bwcap(ifp, bw_cap);
d48200ba 5343 }
18d6c535
AS		 5344 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
5345 nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
5346 bw_cap[IEEE80211_BAND_5GHZ]);
d48200ba 5347
4aca7a18
DK		 5348 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
5349 if (err) {
5350 brcmf_err("rxchain error (%d)\n", err);
5351 nchain = 1;
5352 } else {
5353 for (nchain = 0; rxchain; nchain++)
5354 rxchain = rxchain & (rxchain - 1);
5355 }
5356 brcmf_dbg(INFO, "nchain=%d\n", nchain);
5357
b48d8916 5358 err = brcmf_construct_chaninfo(cfg, bw_cap);
d48200ba 5359 if (err) {
b48d8916 5360 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
d48200ba
HM		 5361 return err;
5362 }
5363
b48d8916
AS		 5364 wiphy = cfg_to_wiphy(cfg);
5365 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
5366 band = wiphy->bands[i];
5367 if (band == NULL)
2375d970 5368 continue;
d48200ba 5369
18d6c535
AS		 5370 if (nmode)
5371 brcmf_update_ht_cap(band, bw_cap, nchain);
5372 if (vhtmode)
5373 brcmf_update_vht_cap(band, bw_cap, nchain);
d48200ba
HM		 5374 }
5375
b48d8916 5376 return 0;
5b435de0
AS		 5377}
5378
aa70b4fa
AS		 5379static const struct ieee80211_iface_limit brcmf_iface_limits[] = {
5380 {
5381 .max = 2,
5382 .types = BIT(NL80211_IFTYPE_STATION) |
5383 BIT(NL80211_IFTYPE_ADHOC) |
5384 BIT(NL80211_IFTYPE_AP)
5385 },
5386 {
5387 .max = 1,
5388 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5389 BIT(NL80211_IFTYPE_P2P_GO)
5390 },
5391 {
5392 .max = 1,
5393 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5394 }
5395};
5396static struct ieee80211_iface_combination brcmf_iface_combos[] = {
5397 {
5398 .max_interfaces = BRCMF_IFACE_MAX_CNT,
5399 .num_different_channels = 1,
5400 .n_limits = ARRAY_SIZE(brcmf_iface_limits),
5401 .limits = brcmf_iface_limits
5402 }
5403};
5404
5405static const struct ieee80211_txrx_stypes
5406brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
5407 [NL80211_IFTYPE_STATION] = {
5408 .tx = 0xffff,
5409 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5410 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5411 },
5412 [NL80211_IFTYPE_P2P_CLIENT] = {
5413 .tx = 0xffff,
5414 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5415 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5416 },
5417 [NL80211_IFTYPE_P2P_GO] = {
5418 .tx = 0xffff,
5419 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
5420 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
5421 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
5422 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
5423 BIT(IEEE80211_STYPE_AUTH >> 4) |
5424 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
5425 BIT(IEEE80211_STYPE_ACTION >> 4)
5426 },
5427 [NL80211_IFTYPE_P2P_DEVICE] = {
5428 .tx = 0xffff,
5429 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5430 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5431 }
5432};
5433
5434static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
5435{
5436 /* scheduled scan settings */
5437 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
5438 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
5439 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5440 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
5441}
5442
4eb3af7c
HM		 5443
5444#ifdef CONFIG_PM
5445static const struct wiphy_wowlan_support brcmf_wowlan_support = {
5446 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
5447};
5448#endif
5449
5450static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
5451{
5452#ifdef CONFIG_PM
5453 /* wowl settings */
5454 wiphy->wowlan = &brcmf_wowlan_support;
5455#endif
5456}
5457
b48d8916 5458static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
aa70b4fa 5459{
b48d8916 5460 struct ieee80211_iface_combination ifc_combo;
aa70b4fa
AS		 5461 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
5462 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5463 wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
5464 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
5465 BIT(NL80211_IFTYPE_ADHOC) |
5466 BIT(NL80211_IFTYPE_AP) |
5467 BIT(NL80211_IFTYPE_P2P_CLIENT) |
5468 BIT(NL80211_IFTYPE_P2P_GO) |
5469 BIT(NL80211_IFTYPE_P2P_DEVICE);
5470 /* need VSDB firmware feature for concurrent channels */
b48d8916 5471 ifc_combo = brcmf_iface_combos[0];
aa70b4fa 5472 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
b48d8916
AS		 5473 ifc_combo.num_different_channels = 2;
5474 wiphy->iface_combinations = kmemdup(&ifc_combo,
5475 sizeof(ifc_combo),
5476 GFP_KERNEL);
aa70b4fa 5477 wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
aa70b4fa
AS		 5478 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
5479 wiphy->cipher_suites = __wl_cipher_suites;
5480 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
5481 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
5482 WIPHY_FLAG_OFFCHAN_TX |
5483 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
5484 WIPHY_FLAG_SUPPORTS_TDLS;
5485 if (!brcmf_roamoff)
5486 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
5487 wiphy->mgmt_stypes = brcmf_txrx_stypes;
5488 wiphy->max_remain_on_channel_duration = 5000;
5489 brcmf_wiphy_pno_params(wiphy);
aa70b4fa
AS		 5490
5491 /* vendor commands/events support */
5492 wiphy->vendor_commands = brcmf_vendor_cmds;
5493 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
5494
4eb3af7c
HM		 5495 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
5496 brcmf_wiphy_wowl_params(wiphy);
5497
b48d8916 5498 return brcmf_setup_wiphybands(wiphy);
5b435de0
AS		 5499}
5500
27a68fe3 5501static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5502{
5503 struct net_device *ndev;
5504 struct wireless_dev *wdev;
40a23296 5505 struct brcmf_if *ifp;
5b435de0
AS		 5506 s32 power_mode;
5507 s32 err = 0;
5508
27a68fe3 5509 if (cfg->dongle_up)
5b435de0
AS		 5510 return err;
5511
27a68fe3 5512 ndev = cfg_to_ndev(cfg);
5b435de0 5513 wdev = ndev->ieee80211_ptr;
40a23296
HM		 5514 ifp = netdev_priv(ndev);
5515
5516 /* make sure RF is ready for work */
5517 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5b435de0 5518
40a23296
HM		 5519 brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
5520 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
5b435de0 5521
27a68fe3 5522 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
40a23296 5523 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5b435de0
AS		 5524 if (err)
5525 goto default_conf_out;
647c9ae0
AS		 5526 brcmf_dbg(INFO, "power save set to %s\n",
5527 (power_mode ? "enabled" : "disabled"));
5b435de0 5528
68ca395f 5529 err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
5b435de0
AS		 5530 if (err)
5531 goto default_conf_out;
5dd161ff
FL		 5532 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
5533 NULL, NULL);
40a23296 5534 if (err)
5b435de0 5535 goto default_conf_out;
5b435de0 5536
b3657453
HM		 5537 brcmf_configure_arp_offload(ifp, true);
5538
27a68fe3 5539 cfg->dongle_up = true;
40a23296 5540default_conf_out:
5b435de0
AS		 5541
5542 return err;
5543
5544}
5545
bdf5ff51 5546static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5b435de0 5547{
c1179033 5548 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5549
bdf5ff51 5550 return brcmf_config_dongle(ifp->drvr->config);
5b435de0
AS		 5551}
5552
bdf5ff51 5553static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5b435de0 5554{
bdf5ff51 5555 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
c1179033 5556
5b435de0
AS		 5557 /*
5558 * While going down, if associated with AP disassociate
5559 * from AP to save power
5560 */
903e0eee
AS		 5561 if (check_vif_up(ifp->vif)) {
5562 brcmf_link_down(ifp->vif);
5b435de0
AS		 5563
5564 /* Make sure WPA_Supplicant receives all the event
5565 generated due to DISASSOC call to the fw to keep
5566 the state fw and WPA_Supplicant state consistent
5567 */
5568 brcmf_delay(500);
5569 }
5570
27a68fe3 5571 brcmf_abort_scanning(cfg);
c1179033 5572 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5573
5b435de0
AS		 5574 return 0;
5575}
5576
bdf5ff51 5577s32 brcmf_cfg80211_up(struct net_device *ndev)
5b435de0 5578{
bdf5ff51
AS		 5579 struct brcmf_if *ifp = netdev_priv(ndev);
5580 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5581 s32 err = 0;
5582
27a68fe3 5583 mutex_lock(&cfg->usr_sync);
bdf5ff51 5584 err = __brcmf_cfg80211_up(ifp);
27a68fe3 5585 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5586
5587 return err;
5588}
5589
bdf5ff51 5590s32 brcmf_cfg80211_down(struct net_device *ndev)
5b435de0 5591{
bdf5ff51
AS		 5592 struct brcmf_if *ifp = netdev_priv(ndev);
5593 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5594 s32 err = 0;
5595
27a68fe3 5596 mutex_lock(&cfg->usr_sync);
bdf5ff51 5597 err = __brcmf_cfg80211_down(ifp);
27a68fe3 5598 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5599
5600 return err;
5601}
5602
a7965fbb
AS		 5603enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
5604{
5605 struct wireless_dev *wdev = &ifp->vif->wdev;
5606
5607 return wdev->iftype;
5608}
5609
e843bb19 5610bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, unsigned long state)
9f440b7b
AS		 5611{
5612 struct brcmf_cfg80211_vif *vif;
9f440b7b
AS		 5613
5614 list_for_each_entry(vif, &cfg->vif_list, list) {
5615 if (test_bit(state, &vif->sme_state))
e843bb19 5616 return true;
9f440b7b 5617 }
e843bb19 5618 return false;
9f440b7b 5619}
d3c0b633
AS		 5620
5621static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
5622 u8 action)
5623{
5624 u8 evt_action;
5625
5626 mutex_lock(&event->vif_event_lock);
5627 evt_action = event->action;
5628 mutex_unlock(&event->vif_event_lock);
5629 return evt_action == action;
5630}
5631
5632void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
5633 struct brcmf_cfg80211_vif *vif)
5634{
5635 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5636
5637 mutex_lock(&event->vif_event_lock);
5638 event->vif = vif;
5639 event->action = 0;
5640 mutex_unlock(&event->vif_event_lock);
5641}
5642
5643bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
5644{
5645 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5646 bool armed;
5647
5648 mutex_lock(&event->vif_event_lock);
5649 armed = event->vif != NULL;
5650 mutex_unlock(&event->vif_event_lock);
5651
5652 return armed;
5653}
5654int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
5655 u8 action, ulong timeout)
5656{
5657 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5658
5659 return wait_event_timeout(event->vif_wq,
5660 vif_event_equals(event, action), timeout);
5661}
5662
b48d8916
AS		 5663static void brcmf_free_wiphy(struct wiphy *wiphy)
5664{
5665 kfree(wiphy->iface_combinations);
5666 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
5667 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5668 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5669 }
5670 if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
5671 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
5672 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
5673 }
5674 wiphy_free(wiphy);
5675}
5676
ccfd1e81
AS		 5677struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
5678 struct device *busdev)
5679{
5680 struct net_device *ndev = drvr->iflist[0]->ndev;
5681 struct brcmf_cfg80211_info *cfg;
5682 struct wiphy *wiphy;
5683 struct brcmf_cfg80211_vif *vif;
5684 struct brcmf_if *ifp;
5685 s32 err = 0;
5686 s32 io_type;
b48d8916 5687 u16 *cap = NULL;
ccfd1e81
AS		 5688
5689 if (!ndev) {
5690 brcmf_err("ndev is invalid\n");
5691 return NULL;
5692 }
5693
5694 ifp = netdev_priv(ndev);
b48d8916
AS		 5695 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
5696 if (!wiphy) {
5697 brcmf_err("Could not allocate wiphy device\n");
ccfd1e81 5698 return NULL;
b48d8916
AS		 5699 }
5700 set_wiphy_dev(wiphy, busdev);
ccfd1e81
AS		 5701
5702 cfg = wiphy_priv(wiphy);
5703 cfg->wiphy = wiphy;
5704 cfg->pub = drvr;
5705 init_vif_event(&cfg->vif_event);
5706 INIT_LIST_HEAD(&cfg->vif_list);
5707
5708 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
b48d8916
AS		 5709 if (IS_ERR(vif))
5710 goto wiphy_out;
ccfd1e81
AS		 5711
5712 vif->ifp = ifp;
5713 vif->wdev.netdev = ndev;
5714 ndev->ieee80211_ptr = &vif->wdev;
5715 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
5716
5717 err = wl_init_priv(cfg);
5718 if (err) {
5719 brcmf_err("Failed to init iwm_priv (%d)\n", err);
b48d8916
AS		 5720 brcmf_free_vif(vif);
5721 goto wiphy_out;
ccfd1e81
AS		 5722 }
5723 ifp->vif = vif;
5724
b48d8916
AS		 5725 /* determine d11 io type before wiphy setup */
5726 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
ccfd1e81 5727 if (err) {
b48d8916
AS		 5728 brcmf_err("Failed to get D11 version (%d)\n", err);
5729 goto priv_out;
ccfd1e81 5730 }
b48d8916
AS		 5731 cfg->d11inf.io_type = (u8)io_type;
5732 brcmu_d11_attach(&cfg->d11inf);
5733
5734 err = brcmf_setup_wiphy(wiphy, ifp);
5735 if (err < 0)
5736 goto priv_out;
5737
5738 brcmf_dbg(INFO, "Registering custom regulatory\n");
5739 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
5740 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
5741
5742 /* firmware defaults to 40MHz disabled in 2G band. We signal
5743 * cfg80211 here that we do and have it decide we can enable
5744 * it. But first check if device does support 2G operation.
5745 */
5746 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
5747 cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
5748 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5749 }
5750 err = wiphy_register(wiphy);
5751 if (err < 0) {
5752 brcmf_err("Could not register wiphy device (%d)\n", err);
5753 goto priv_out;
ccfd1e81
AS		 5754 }
5755
5756 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
5757 * setup 40MHz in 2GHz band and enable OBSS scanning.
5758 */
b48d8916
AS		 5759 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
5760 err = brcmf_enable_bw40_2g(cfg);
ccfd1e81
AS		 5761 if (!err)
5762 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
5763 BRCMF_OBSS_COEX_AUTO);
b48d8916
AS		 5764 else
5765 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ccfd1e81 5766 }
ccfd1e81 5767
b48d8916 5768 err = brcmf_p2p_attach(cfg);
ccfd1e81 5769 if (err) {
b48d8916
AS		 5770 brcmf_err("P2P initilisation failed (%d)\n", err);
5771 goto wiphy_unreg_out;
5772 }
5773 err = brcmf_btcoex_attach(cfg);
5774 if (err) {
5775 brcmf_err("BT-coex initialisation failed (%d)\n", err);
5776 brcmf_p2p_detach(&cfg->p2p);
5777 goto wiphy_unreg_out;
ccfd1e81
AS		 5778 }
5779
b48d8916 5780 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
ccfd1e81 5781 if (err) {
b48d8916
AS		 5782 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
5783 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
70b7d94b
HM		 5784 } else {
5785 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
5786 brcmf_notify_tdls_peer_event);
ccfd1e81 5787 }
ccfd1e81
AS		 5788
5789 return cfg;
5790
b48d8916
AS		 5791wiphy_unreg_out:
5792 wiphy_unregister(cfg->wiphy);
5793priv_out:
ccfd1e81 5794 wl_deinit_priv(cfg);
ccfd1e81 5795 brcmf_free_vif(vif);
b48d8916
AS		 5796wiphy_out:
5797 brcmf_free_wiphy(wiphy);
ccfd1e81
AS		 5798 return NULL;
5799}
5800
5801void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
5802{
5803 if (!cfg)
5804 return;
5805
5806 WARN_ON(!list_empty(&cfg->vif_list));
5807 wiphy_unregister(cfg->wiphy);
5808 brcmf_btcoex_detach(cfg);
c3da74bb 5809 brcmf_p2p_detach(&cfg->p2p);
ccfd1e81 5810 wl_deinit_priv(cfg);
b48d8916 5811 brcmf_free_wiphy(cfg->wiphy);
ccfd1e81 5812}
Linux kernel - Deliverables
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