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