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brcmfmac: Fix msgbuf flow control.
[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
AS		 2396
2397 bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID,
8e6cffb3 2398 0, notify_capability, notify_interval, notify_ie,
5b435de0
AS		 2399 notify_ielen, notify_signal, GFP_KERNEL);
2400
e78946e1
FL		 2401 if (!bss)
2402 return -ENOMEM;
2403
5b112d3d 2404 cfg80211_put_bss(wiphy, bss);
5b435de0 2405
12f32370 2406 return 0;
5b435de0
AS		 2407}
2408
6f09be0a
RV		 2409static struct brcmf_bss_info_le *
2410next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2411{
2412 if (bss == NULL)
2413 return list->bss_info_le;
2414 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2415 le32_to_cpu(bss->length));
2416}
2417
27a68fe3 2418static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 2419{
2420 struct brcmf_scan_results *bss_list;
d34bf64f 2421 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
5b435de0
AS		 2422 s32 err = 0;
2423 int i;
2424
27a68fe3 2425 bss_list = cfg->bss_list;
0ecd8164
AS		 2426 if (bss_list->count != 0 &&
2427 bss_list->version != BRCMF_BSS_INFO_VERSION) {
57d6e91a
AS		 2428 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2429 bss_list->version);
5b435de0
AS		 2430 return -EOPNOTSUPP;
2431 }
4e8a008e 2432 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
f0799895 2433 for (i = 0; i < bss_list->count; i++) {
6f09be0a 2434 bi = next_bss_le(bss_list, bi);
27a68fe3 2435 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2436 if (err)
2437 break;
2438 }
2439 return err;
2440}
2441
27a68fe3 2442static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 2443 struct net_device *ndev, const u8 *bssid)
2444{
27a68fe3 2445 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0 2446 struct ieee80211_channel *notify_channel;
d34bf64f 2447 struct brcmf_bss_info_le *bi = NULL;
5b435de0 2448 struct ieee80211_supported_band *band;
e78946e1 2449 struct cfg80211_bss *bss;
83cf17aa 2450 struct brcmu_chan ch;
5b435de0
AS		 2451 u8 *buf = NULL;
2452 s32 err = 0;
5b435de0 2453 u32 freq;
5b435de0
AS		 2454 u16 notify_capability;
2455 u16 notify_interval;
2456 u8 *notify_ie;
2457 size_t notify_ielen;
2458 s32 notify_signal;
2459
d96b801f 2460 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2461
2462 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2463 if (buf == NULL) {
2464 err = -ENOMEM;
2465 goto CleanUp;
2466 }
2467
2468 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2469
ac24be6f
AS		 2470 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2471 buf, WL_BSS_INFO_MAX);
5b435de0 2472 if (err) {
57d6e91a 2473 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
5b435de0
AS		 2474 goto CleanUp;
2475 }
2476
d34bf64f 2477 bi = (struct brcmf_bss_info_le *)(buf + 4);
5b435de0 2478
83cf17aa
FL		 2479 ch.chspec = le16_to_cpu(bi->chanspec);
2480 cfg->d11inf.decchspec(&ch);
5b435de0 2481
83cf17aa 2482 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 2483 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2484 else
2485 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2486
83cf17aa 2487 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 2488 notify_channel = ieee80211_get_channel(wiphy, freq);
2489
5b435de0
AS		 2490 notify_capability = le16_to_cpu(bi->capability);
2491 notify_interval = le16_to_cpu(bi->beacon_period);
2492 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2493 notify_ielen = le32_to_cpu(bi->ie_length);
2494 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2495
83cf17aa 2496 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
16886735
AS		 2497 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2498 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2499 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
5b435de0 2500
e78946e1 2501 bss = cfg80211_inform_bss(wiphy, notify_channel, bssid,
8e6cffb3 2502 0, notify_capability, notify_interval,
5b435de0
AS		 2503 notify_ie, notify_ielen, notify_signal, GFP_KERNEL);
2504
e78946e1
FL		 2505 if (!bss) {
2506 err = -ENOMEM;
2507 goto CleanUp;
2508 }
2509
5b112d3d 2510 cfg80211_put_bss(wiphy, bss);
e78946e1 2511
5b435de0
AS		 2512CleanUp:
2513
2514 kfree(buf);
2515
d96b801f 2516 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2517
2518 return err;
2519}
2520
89286dc9
HM		 2521static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2522 struct brcmf_if *ifp)
1a873342 2523{
89286dc9 2524 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
d34bf64f 2525 struct brcmf_bss_info_le *bi;
5b435de0 2526 struct brcmf_ssid *ssid;
4b5800fe 2527 const struct brcmf_tlv *tim;
5b435de0
AS		 2528 u16 beacon_interval;
2529 u8 dtim_period;
2530 size_t ie_len;
2531 u8 *ie;
2532 s32 err = 0;
2533
d96b801f 2534 brcmf_dbg(TRACE, "Enter\n");
128ce3b6 2535 if (brcmf_is_ibssmode(ifp->vif))
5b435de0
AS		 2536 return err;
2537
06bb123e 2538 ssid = &profile->ssid;
5b435de0 2539
27a68fe3 2540 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
ac24be6f 2541 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
81f5dcb8 2542 cfg->extra_buf, WL_EXTRA_BUF_MAX);
5b435de0 2543 if (err) {
57d6e91a 2544 brcmf_err("Could not get bss info %d\n", err);
5b435de0
AS		 2545 goto update_bss_info_out;
2546 }
2547
27a68fe3
AS		 2548 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2549 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2550 if (err)
2551 goto update_bss_info_out;
2552
2553 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2554 ie_len = le32_to_cpu(bi->ie_length);
2555 beacon_interval = le16_to_cpu(bi->beacon_period);
2556
f8e4b412 2557 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
5b435de0
AS		 2558 if (tim)
2559 dtim_period = tim->data[1];
2560 else {
2561 /*
2562 * active scan was done so we could not get dtim
2563 * information out of probe response.
2564 * so we speficially query dtim information to dongle.
2565 */
2566 u32 var;
ac24be6f 2567 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
5b435de0 2568 if (err) {
57d6e91a 2569 brcmf_err("wl dtim_assoc failed (%d)\n", err);
5b435de0
AS		 2570 goto update_bss_info_out;
2571 }
2572 dtim_period = (u8)var;
2573 }
2574
5b435de0 2575update_bss_info_out:
d96b801f 2576 brcmf_dbg(TRACE, "Exit");
5b435de0
AS		 2577 return err;
2578}
2579
18e2f61d 2580void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
5b435de0 2581{
27a68fe3 2582 struct escan_info *escan = &cfg->escan_info;
5b435de0 2583
c1179033 2584 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
f0799895 2585 if (cfg->scan_request) {
108a4bee 2586 escan->escan_state = WL_ESCAN_STATE_IDLE;
a0f472ac 2587 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
5b435de0 2588 }
c1179033
AS		 2589 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2590 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
5b435de0
AS		 2591}
2592
e756af5b
HM		 2593static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2594{
27a68fe3
AS		 2595 struct brcmf_cfg80211_info *cfg =
2596 container_of(work, struct brcmf_cfg80211_info,
e756af5b
HM		 2597 escan_timeout_work);
2598
a0f472ac 2599 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
e756af5b
HM		 2600}
2601
2602static void brcmf_escan_timeout(unsigned long data)
2603{
27a68fe3
AS		 2604 struct brcmf_cfg80211_info *cfg =
2605 (struct brcmf_cfg80211_info *)data;
e756af5b 2606
27a68fe3 2607 if (cfg->scan_request) {
57d6e91a 2608 brcmf_err("timer expired\n");
f0799895 2609 schedule_work(&cfg->escan_timeout_work);
e756af5b
HM		 2610 }
2611}
2612
2613static s32
83cf17aa
FL		 2614brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2615 struct brcmf_bss_info_le *bss,
e756af5b
HM		 2616 struct brcmf_bss_info_le *bss_info_le)
2617{
83cf17aa
FL		 2618 struct brcmu_chan ch_bss, ch_bss_info_le;
2619
2620 ch_bss.chspec = le16_to_cpu(bss->chanspec);
2621 cfg->d11inf.decchspec(&ch_bss);
2622 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
2623 cfg->d11inf.decchspec(&ch_bss_info_le);
2624
e756af5b 2625 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
83cf17aa 2626 ch_bss.band == ch_bss_info_le.band &&
e756af5b
HM		 2627 bss_info_le->SSID_len == bss->SSID_len &&
2628 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
6f5838a4
AS		 2629 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
2630 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
029591f3
AS		 2631 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2632 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2633
e756af5b
HM		 2634 /* preserve max RSSI if the measurements are
2635 * both on-channel or both off-channel
2636 */
029591f3 2637 if (bss_info_rssi > bss_rssi)
e756af5b 2638 bss->RSSI = bss_info_le->RSSI;
6f5838a4
AS		 2639 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
2640 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
e756af5b
HM		 2641 /* preserve the on-channel rssi measurement
2642 * if the new measurement is off channel
2643 */
2644 bss->RSSI = bss_info_le->RSSI;
6f5838a4 2645 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
e756af5b
HM		 2646 }
2647 return 1;
2648 }
2649 return 0;
2650}
2651
2652static s32
1993732e 2653brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
e756af5b
HM		 2654 const struct brcmf_event_msg *e, void *data)
2655{
1993732e 2656 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e756af5b 2657 s32 status;
e756af5b
HM		 2658 struct brcmf_escan_result_le *escan_result_le;
2659 struct brcmf_bss_info_le *bss_info_le;
2660 struct brcmf_bss_info_le *bss = NULL;
2661 u32 bi_length;
2662 struct brcmf_scan_results *list;
2663 u32 i;
97ed15c7 2664 bool aborted;
e756af5b 2665
5c36b99a 2666 status = e->status;
e756af5b 2667
a0f472ac
AS		 2668 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2669 brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
e756af5b
HM		 2670 return -EPERM;
2671 }
2672
2673 if (status == BRCMF_E_STATUS_PARTIAL) {
4e8a008e 2674 brcmf_dbg(SCAN, "ESCAN Partial result\n");
e756af5b
HM		 2675 escan_result_le = (struct brcmf_escan_result_le *) data;
2676 if (!escan_result_le) {
57d6e91a 2677 brcmf_err("Invalid escan result (NULL pointer)\n");
e756af5b
HM		 2678 goto exit;
2679 }
e756af5b 2680 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
57d6e91a
AS		 2681 brcmf_err("Invalid bss_count %d: ignoring\n",
2682 escan_result_le->bss_count);
e756af5b
HM		 2683 goto exit;
2684 }
2685 bss_info_le = &escan_result_le->bss_info_le;
2686
6eda4e2c
HM		 2687 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
2688 goto exit;
2689
2690 if (!cfg->scan_request) {
2691 brcmf_dbg(SCAN, "result without cfg80211 request\n");
2692 goto exit;
2693 }
2694
e756af5b
HM		 2695 bi_length = le32_to_cpu(bss_info_le->length);
2696 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
2697 WL_ESCAN_RESULTS_FIXED_SIZE)) {
57d6e91a
AS		 2698 brcmf_err("Invalid bss_info length %d: ignoring\n",
2699 bi_length);
e756af5b
HM		 2700 goto exit;
2701 }
2702
27a68fe3 2703 if (!(cfg_to_wiphy(cfg)->interface_modes &
e756af5b
HM		 2704 BIT(NL80211_IFTYPE_ADHOC))) {
2705 if (le16_to_cpu(bss_info_le->capability) &
2706 WLAN_CAPABILITY_IBSS) {
57d6e91a 2707 brcmf_err("Ignoring IBSS result\n");
e756af5b
HM		 2708 goto exit;
2709 }
2710 }
2711
2712 list = (struct brcmf_scan_results *)
27a68fe3 2713 cfg->escan_info.escan_buf;
e756af5b 2714 if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
57d6e91a 2715 brcmf_err("Buffer is too small: ignoring\n");
e756af5b
HM		 2716 goto exit;
2717 }
2718
2719 for (i = 0; i < list->count; i++) {
2720 bss = bss ? (struct brcmf_bss_info_le *)
2721 ((unsigned char *)bss +
2722 le32_to_cpu(bss->length)) : list->bss_info_le;
83cf17aa
FL		 2723 if (brcmf_compare_update_same_bss(cfg, bss,
2724 bss_info_le))
e756af5b
HM		 2725 goto exit;
2726 }
27a68fe3 2727 memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
e756af5b
HM		 2728 bss_info_le, bi_length);
2729 list->version = le32_to_cpu(bss_info_le->version);
2730 list->buflen += bi_length;
2731 list->count++;
2732 } else {
27a68fe3 2733 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
6eda4e2c
HM		 2734 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
2735 goto exit;
27a68fe3
AS		 2736 if (cfg->scan_request) {
2737 cfg->bss_list = (struct brcmf_scan_results *)
2738 cfg->escan_info.escan_buf;
2739 brcmf_inform_bss(cfg);
97ed15c7 2740 aborted = status != BRCMF_E_STATUS_SUCCESS;
a0f472ac 2741 brcmf_notify_escan_complete(cfg, ifp, aborted,
97ed15c7 2742 false);
e756af5b 2743 } else
6eda4e2c
HM		 2744 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
2745 status);
e756af5b
HM		 2746 }
2747exit:
12f32370 2748 return 0;
e756af5b
HM		 2749}
2750
27a68fe3 2751static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
e756af5b 2752{
5c36b99a
AS		 2753 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
2754 brcmf_cfg80211_escan_handler);
f0799895
HM		 2755 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2756 /* Init scan_timeout timer */
2757 init_timer(&cfg->escan_timeout);
2758 cfg->escan_timeout.data = (unsigned long) cfg;
2759 cfg->escan_timeout.function = brcmf_escan_timeout;
2760 INIT_WORK(&cfg->escan_timeout_work,
2761 brcmf_cfg80211_escan_timeout_worker);
e756af5b
HM		 2762}
2763
5addc0de 2764static __always_inline void brcmf_delay(u32 ms)
5b435de0
AS		 2765{
2766 if (ms < 1000 / HZ) {
2767 cond_resched();
2768 mdelay(ms);
2769 } else {
2770 msleep(ms);
2771 }
2772}
2773
2774static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2775{
d96b801f 2776 brcmf_dbg(TRACE, "Enter\n");
5b435de0 2777
5b435de0
AS		 2778 return 0;
2779}
2780
2781static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
2782 struct cfg80211_wowlan *wow)
2783{
27a68fe3
AS		 2784 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2785 struct net_device *ndev = cfg_to_ndev(cfg);
7d641072 2786 struct brcmf_cfg80211_vif *vif;
5b435de0 2787
d96b801f 2788 brcmf_dbg(TRACE, "Enter\n");
5b435de0
AS		 2789
2790 /*
7d641072
AS		 2791 * if the primary net_device is not READY there is nothing
2792 * we can do but pray resume goes smoothly.
5b435de0 2793 */
7d641072
AS		 2794 vif = ((struct brcmf_if *)netdev_priv(ndev))->vif;
2795 if (!check_vif_up(vif))
2796 goto exit;
5b435de0 2797
7d641072
AS		 2798 list_for_each_entry(vif, &cfg->vif_list, list) {
2799 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
2800 continue;
5b435de0 2801 /*
7d641072
AS		 2802 * While going to suspend if associated with AP disassociate
2803 * from AP to save power while system is in suspended state
5b435de0 2804 */
903e0eee
AS		 2805 brcmf_link_down(vif);
2806
2807 /* Make sure WPA_Supplicant receives all the event
2808 * generated due to DISASSOC call to the fw to keep
2809 * the state fw and WPA_Supplicant state consistent
2810 */
2811 brcmf_delay(500);
5b435de0
AS		 2812 }
2813
7d641072
AS		 2814 /* end any scanning */
2815 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
27a68fe3 2816 brcmf_abort_scanning(cfg);
5b435de0
AS		 2817
2818 /* Turn off watchdog timer */
f96aa07e 2819 brcmf_set_mpc(netdev_priv(ndev), 1);
5b435de0 2820
7d641072 2821exit:
d96b801f 2822 brcmf_dbg(TRACE, "Exit\n");
7d641072
AS		 2823 /* clear any scanning activity */
2824 cfg->scan_status = 0;
5b435de0
AS		 2825 return 0;
2826}
2827
5b435de0
AS		 2828static __used s32
2829brcmf_update_pmklist(struct net_device *ndev,
2830 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
2831{
2832 int i, j;
40c8e95a 2833 int pmkid_len;
5b435de0 2834
40c8e95a
AS		 2835 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
2836
16886735 2837 brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
40c8e95a 2838 for (i = 0; i < pmkid_len; i++) {
16886735
AS		 2839 brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
2840 &pmk_list->pmkids.pmkid[i].BSSID);
5b435de0 2841 for (j = 0; j < WLAN_PMKID_LEN; j++)
16886735
AS		 2842 brcmf_dbg(CONN, "%02x\n",
2843 pmk_list->pmkids.pmkid[i].PMKID[j]);
5b435de0
AS		 2844 }
2845
2846 if (!err)
ac24be6f
AS		 2847 brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
2848 (char *)pmk_list, sizeof(*pmk_list));
5b435de0
AS		 2849
2850 return err;
2851}
2852
2853static s32
2854brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2855 struct cfg80211_pmksa *pmksa)
2856{
27a68fe3 2857 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2858 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 2859 struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
5b435de0
AS		 2860 s32 err = 0;
2861 int i;
40c8e95a 2862 int pmkid_len;
5b435de0 2863
d96b801f 2864 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2865 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2866 return -EIO;
2867
40c8e95a
AS		 2868 pmkid_len = le32_to_cpu(pmkids->npmkid);
2869 for (i = 0; i < pmkid_len; i++)
5b435de0
AS		 2870 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
2871 break;
2872 if (i < WL_NUM_PMKIDS_MAX) {
2873 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
2874 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
40c8e95a
AS		 2875 if (i == pmkid_len) {
2876 pmkid_len++;
2877 pmkids->npmkid = cpu_to_le32(pmkid_len);
2878 }
5b435de0
AS		 2879 } else
2880 err = -EINVAL;
2881
16886735
AS		 2882 brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
2883 pmkids->pmkid[pmkid_len].BSSID);
5b435de0 2884 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 2885 brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
5b435de0 2886
27a68fe3 2887 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 2888
d96b801f 2889 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2890 return err;
2891}
2892
2893static s32
2894brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2895 struct cfg80211_pmksa *pmksa)
2896{
27a68fe3 2897 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2898 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2899 struct pmkid_list pmkid;
2900 s32 err = 0;
40c8e95a 2901 int i, pmkid_len;
5b435de0 2902
d96b801f 2903 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2904 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2905 return -EIO;
2906
2907 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
2908 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
2909
16886735
AS		 2910 brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
2911 &pmkid.pmkid[0].BSSID);
5b435de0 2912 for (i = 0; i < WLAN_PMKID_LEN; i++)
16886735 2913 brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
5b435de0 2914
27a68fe3 2915 pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
40c8e95a 2916 for (i = 0; i < pmkid_len; i++)
5b435de0 2917 if (!memcmp
27a68fe3 2918 (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
5b435de0
AS		 2919 ETH_ALEN))
2920 break;
2921
40c8e95a
AS		 2922 if ((pmkid_len > 0)
2923 && (i < pmkid_len)) {
27a68fe3 2924 memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
5b435de0 2925 sizeof(struct pmkid));
40c8e95a 2926 for (; i < (pmkid_len - 1); i++) {
27a68fe3
AS		 2927 memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
2928 &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
5b435de0 2929 ETH_ALEN);
27a68fe3
AS		 2930 memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
2931 &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
5b435de0
AS		 2932 WLAN_PMKID_LEN);
2933 }
27a68fe3 2934 cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
5b435de0
AS		 2935 } else
2936 err = -EINVAL;
2937
27a68fe3 2938 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 2939
d96b801f 2940 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2941 return err;
2942
2943}
2944
2945static s32
2946brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
2947{
27a68fe3 2948 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2949 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2950 s32 err = 0;
2951
d96b801f 2952 brcmf_dbg(TRACE, "Enter\n");
ce81e317 2953 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2954 return -EIO;
2955
27a68fe3
AS		 2956 memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
2957 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0 2958
d96b801f 2959 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 2960 return err;
2961
2962}
2963
e5806072
AS		 2964/*
2965 * PFN result doesn't have all the info which are
2966 * required by the supplicant
2967 * (For e.g IEs) Do a target Escan so that sched scan results are reported
2968 * via wl_inform_single_bss in the required format. Escan does require the
2969 * scan request in the form of cfg80211_scan_request. For timebeing, create
2970 * cfg80211_scan_request one out of the received PNO event.
2971 */
2972static s32
1993732e 2973brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
e5806072
AS		 2974 const struct brcmf_event_msg *e, void *data)
2975{
1993732e 2976 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
e5806072
AS		 2977 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
2978 struct cfg80211_scan_request *request = NULL;
2979 struct cfg80211_ssid *ssid = NULL;
2980 struct ieee80211_channel *channel = NULL;
27a68fe3 2981 struct wiphy *wiphy = cfg_to_wiphy(cfg);
e5806072
AS		 2982 int err = 0;
2983 int channel_req = 0;
2984 int band = 0;
2985 struct brcmf_pno_scanresults_le *pfn_result;
2986 u32 result_count;
2987 u32 status;
2988
4e8a008e 2989 brcmf_dbg(SCAN, "Enter\n");
e5806072 2990
5c36b99a 2991 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
4e8a008e 2992 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
e5806072
AS		 2993 return 0;
2994 }
2995
2996 pfn_result = (struct brcmf_pno_scanresults_le *)data;
2997 result_count = le32_to_cpu(pfn_result->count);
2998 status = le32_to_cpu(pfn_result->status);
2999
3000 /*
3001 * PFN event is limited to fit 512 bytes so we may get
3002 * multiple NET_FOUND events. For now place a warning here.
3003 */
3004 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
4e8a008e 3005 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
e5806072
AS		 3006 if (result_count > 0) {
3007 int i;
3008
3009 request = kzalloc(sizeof(*request), GFP_KERNEL);
58901d18
DC		 3010 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3011 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
e5806072
AS		 3012 if (!request || !ssid || !channel) {
3013 err = -ENOMEM;
3014 goto out_err;
3015 }
3016
3017 request->wiphy = wiphy;
3018 data += sizeof(struct brcmf_pno_scanresults_le);
3019 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3020
3021 for (i = 0; i < result_count; i++) {
3022 netinfo = &netinfo_start[i];
3023 if (!netinfo) {
57d6e91a
AS		 3024 brcmf_err("Invalid netinfo ptr. index: %d\n",
3025 i);
e5806072
AS		 3026 err = -EINVAL;
3027 goto out_err;
3028 }
3029
4e8a008e
AS		 3030 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3031 netinfo->SSID, netinfo->channel);
e5806072
AS		 3032 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3033 ssid[i].ssid_len = netinfo->SSID_len;
3034 request->n_ssids++;
3035
3036 channel_req = netinfo->channel;
3037 if (channel_req <= CH_MAX_2G_CHANNEL)
3038 band = NL80211_BAND_2GHZ;
3039 else
3040 band = NL80211_BAND_5GHZ;
3041 channel[i].center_freq =
3042 ieee80211_channel_to_frequency(channel_req,
3043 band);
3044 channel[i].band = band;
3045 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3046 request->channels[i] = &channel[i];
3047 request->n_channels++;
3048 }
3049
3050 /* assign parsed ssid array */
3051 if (request->n_ssids)
3052 request->ssids = &ssid[0];
3053
c1179033 3054 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
e5806072 3055 /* Abort any on-going scan */
27a68fe3 3056 brcmf_abort_scanning(cfg);
e5806072
AS		 3057 }
3058
c1179033 3059 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2668b0b1 3060 cfg->escan_info.run = brcmf_run_escan;
a0f472ac 3061 err = brcmf_do_escan(cfg, wiphy, ifp, request);
e5806072 3062 if (err) {
c1179033 3063 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e5806072
AS		 3064 goto out_err;
3065 }
27a68fe3
AS		 3066 cfg->sched_escan = true;
3067 cfg->scan_request = request;
e5806072 3068 } else {
57d6e91a 3069 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
e5806072
AS		 3070 goto out_err;
3071 }
3072
3073 kfree(ssid);
3074 kfree(channel);
3075 kfree(request);
3076 return 0;
3077
3078out_err:
3079 kfree(ssid);
3080 kfree(channel);
3081 kfree(request);
3082 cfg80211_sched_scan_stopped(wiphy);
3083 return err;
3084}
3085
e5806072
AS		 3086static int brcmf_dev_pno_clean(struct net_device *ndev)
3087{
e5806072
AS		 3088 int ret;
3089
3090 /* Disable pfn */
ac24be6f 3091 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
e5806072
AS		 3092 if (ret == 0) {
3093 /* clear pfn */
ac24be6f
AS		 3094 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3095 NULL, 0);
e5806072
AS		 3096 }
3097 if (ret < 0)
57d6e91a 3098 brcmf_err("failed code %d\n", ret);
e5806072
AS		 3099
3100 return ret;
3101}
3102
3103static int brcmf_dev_pno_config(struct net_device *ndev)
3104{
3105 struct brcmf_pno_param_le pfn_param;
e5806072
AS		 3106
3107 memset(&pfn_param, 0, sizeof(pfn_param));
3108 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3109
3110 /* set extra pno params */
3111 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3112 pfn_param.repeat = BRCMF_PNO_REPEAT;
3113 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3114
3115 /* set up pno scan fr */
3116 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3117
ac24be6f
AS		 3118 return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
3119 &pfn_param, sizeof(pfn_param));
e5806072
AS		 3120}
3121
3122static int
3123brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3124 struct net_device *ndev,
3125 struct cfg80211_sched_scan_request *request)
3126{
c1179033 3127 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 3128 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
e5806072
AS		 3129 struct brcmf_pno_net_param_le pfn;
3130 int i;
3131 int ret = 0;
3132
dc7bdbf1 3133 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
4e8a008e 3134 request->n_match_sets, request->n_ssids);
c1179033 3135 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
57d6e91a 3136 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
e5806072
AS		 3137 return -EAGAIN;
3138 }
1687eee2
AS		 3139 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3140 brcmf_err("Scanning suppressed: status (%lu)\n",
3141 cfg->scan_status);
3142 return -EAGAIN;
3143 }
e5806072 3144
dc7bdbf1 3145 if (!request->n_ssids || !request->n_match_sets) {
181f2d17 3146 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
dc7bdbf1 3147 request->n_ssids);
e5806072
AS		 3148 return -EINVAL;
3149 }
3150
3151 if (request->n_ssids > 0) {
3152 for (i = 0; i < request->n_ssids; i++) {
3153 /* Active scan req for ssids */
4e8a008e
AS		 3154 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3155 request->ssids[i].ssid);
e5806072
AS		 3156
3157 /*
3158 * match_set ssids is a supert set of n_ssid list,
3159 * so we need not add these set seperately.
3160 */
3161 }
3162 }
3163
3164 if (request->n_match_sets > 0) {
3165 /* clean up everything */
3166 ret = brcmf_dev_pno_clean(ndev);
3167 if (ret < 0) {
57d6e91a 3168 brcmf_err("failed error=%d\n", ret);
e5806072
AS		 3169 return ret;
3170 }
3171
3172 /* configure pno */
3173 ret = brcmf_dev_pno_config(ndev);
3174 if (ret < 0) {
57d6e91a 3175 brcmf_err("PNO setup failed!! ret=%d\n", ret);
e5806072
AS		 3176 return -EINVAL;
3177 }
3178
3179 /* configure each match set */
3180 for (i = 0; i < request->n_match_sets; i++) {
3181 struct cfg80211_ssid *ssid;
3182 u32 ssid_len;
3183
3184 ssid = &request->match_sets[i].ssid;
3185 ssid_len = ssid->ssid_len;
3186
3187 if (!ssid_len) {
57d6e91a 3188 brcmf_err("skip broadcast ssid\n");
e5806072
AS		 3189 continue;
3190 }
3191 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3192 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3193 pfn.wsec = cpu_to_le32(0);
3194 pfn.infra = cpu_to_le32(1);
3195 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3196 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3197 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
c1179033 3198 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
ac24be6f 3199 sizeof(pfn));
4e8a008e
AS		 3200 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3201 ret == 0 ? "set" : "failed", ssid->ssid);
e5806072
AS		 3202 }
3203 /* Enable the PNO */
c1179033 3204 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
57d6e91a 3205 brcmf_err("PNO enable failed!! ret=%d\n", ret);
e5806072
AS		 3206 return -EINVAL;
3207 }
3208 } else {
3209 return -EINVAL;
3210 }
3211
3212 return 0;
3213}
3214
3215static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3216 struct net_device *ndev)
3217{
27a68fe3 3218 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e5806072 3219
4e8a008e 3220 brcmf_dbg(SCAN, "enter\n");
e5806072 3221 brcmf_dev_pno_clean(ndev);
27a68fe3 3222 if (cfg->sched_escan)
a0f472ac 3223 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
e5806072
AS		 3224 return 0;
3225}
e5806072 3226
1f170110 3227static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
1a873342
HM		 3228{
3229 s32 err;
3230
3231 /* set auth */
ac24be6f 3232 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
1a873342 3233 if (err < 0) {
57d6e91a 3234 brcmf_err("auth error %d\n", err);
1a873342
HM		 3235 return err;
3236 }
3237 /* set wsec */
ac24be6f 3238 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
1a873342 3239 if (err < 0) {
57d6e91a 3240 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3241 return err;
3242 }
3243 /* set upper-layer auth */
ac24be6f 3244 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
1a873342 3245 if (err < 0) {
57d6e91a 3246 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3247 return err;
3248 }
3249
3250 return 0;
3251}
3252
3253static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3254{
3255 if (is_rsn_ie)
3256 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3257
3258 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3259}
3260
3261static s32
4b5800fe
JB		 3262brcmf_configure_wpaie(struct net_device *ndev,
3263 const struct brcmf_vs_tlv *wpa_ie,
3264 bool is_rsn_ie)
1a873342 3265{
ac24be6f 3266 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 3267 u32 auth = 0; /* d11 open authentication */
3268 u16 count;
3269 s32 err = 0;
3270 s32 len = 0;
3271 u32 i;
3272 u32 wsec;
3273 u32 pval = 0;
3274 u32 gval = 0;
3275 u32 wpa_auth = 0;
3276 u32 offset;
3277 u8 *data;
3278 u16 rsn_cap;
3279 u32 wme_bss_disable;
3280
d96b801f 3281 brcmf_dbg(TRACE, "Enter\n");
1a873342
HM		 3282 if (wpa_ie == NULL)
3283 goto exit;
3284
3285 len = wpa_ie->len + TLV_HDR_LEN;
3286 data = (u8 *)wpa_ie;
619c5a9a 3287 offset = TLV_HDR_LEN;
1a873342
HM		 3288 if (!is_rsn_ie)
3289 offset += VS_IE_FIXED_HDR_LEN;
619c5a9a
HM		 3290 else
3291 offset += WPA_IE_VERSION_LEN;
1a873342
HM		 3292
3293 /* check for multicast cipher suite */
3294 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3295 err = -EINVAL;
57d6e91a 3296 brcmf_err("no multicast cipher suite\n");
1a873342
HM		 3297 goto exit;
3298 }
3299
3300 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3301 err = -EINVAL;
57d6e91a 3302 brcmf_err("ivalid OUI\n");
1a873342
HM		 3303 goto exit;
3304 }
3305 offset += TLV_OUI_LEN;
3306
3307 /* pick up multicast cipher */
3308 switch (data[offset]) {
3309 case WPA_CIPHER_NONE:
3310 gval = 0;
3311 break;
3312 case WPA_CIPHER_WEP_40:
3313 case WPA_CIPHER_WEP_104:
3314 gval = WEP_ENABLED;
3315 break;
3316 case WPA_CIPHER_TKIP:
3317 gval = TKIP_ENABLED;
3318 break;
3319 case WPA_CIPHER_AES_CCM:
3320 gval = AES_ENABLED;
3321 break;
3322 default:
3323 err = -EINVAL;
57d6e91a 3324 brcmf_err("Invalid multi cast cipher info\n");
1a873342
HM		 3325 goto exit;
3326 }
3327
3328 offset++;
3329 /* walk thru unicast cipher list and pick up what we recognize */
3330 count = data[offset] + (data[offset + 1] << 8);
3331 offset += WPA_IE_SUITE_COUNT_LEN;
3332 /* Check for unicast suite(s) */
3333 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3334 err = -EINVAL;
57d6e91a 3335 brcmf_err("no unicast cipher suite\n");
1a873342
HM		 3336 goto exit;
3337 }
3338 for (i = 0; i < count; i++) {
3339 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3340 err = -EINVAL;
57d6e91a 3341 brcmf_err("ivalid OUI\n");
1a873342
HM		 3342 goto exit;
3343 }
3344 offset += TLV_OUI_LEN;
3345 switch (data[offset]) {
3346 case WPA_CIPHER_NONE:
3347 break;
3348 case WPA_CIPHER_WEP_40:
3349 case WPA_CIPHER_WEP_104:
3350 pval |= WEP_ENABLED;
3351 break;
3352 case WPA_CIPHER_TKIP:
3353 pval |= TKIP_ENABLED;
3354 break;
3355 case WPA_CIPHER_AES_CCM:
3356 pval |= AES_ENABLED;
3357 break;
3358 default:
57d6e91a 3359 brcmf_err("Ivalid unicast security info\n");
1a873342
HM		 3360 }
3361 offset++;
3362 }
3363 /* walk thru auth management suite list and pick up what we recognize */
3364 count = data[offset] + (data[offset + 1] << 8);
3365 offset += WPA_IE_SUITE_COUNT_LEN;
3366 /* Check for auth key management suite(s) */
3367 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3368 err = -EINVAL;
57d6e91a 3369 brcmf_err("no auth key mgmt suite\n");
1a873342
HM		 3370 goto exit;
3371 }
3372 for (i = 0; i < count; i++) {
3373 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3374 err = -EINVAL;
57d6e91a 3375 brcmf_err("ivalid OUI\n");
1a873342
HM		 3376 goto exit;
3377 }
3378 offset += TLV_OUI_LEN;
3379 switch (data[offset]) {
3380 case RSN_AKM_NONE:
d96b801f 3381 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
1a873342
HM		 3382 wpa_auth |= WPA_AUTH_NONE;
3383 break;
3384 case RSN_AKM_UNSPECIFIED:
d96b801f 3385 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
1a873342
HM		 3386 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3387 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3388 break;
3389 case RSN_AKM_PSK:
d96b801f 3390 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
1a873342
HM		 3391 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3392 (wpa_auth |= WPA_AUTH_PSK);
3393 break;
3394 default:
57d6e91a 3395 brcmf_err("Ivalid key mgmt info\n");
1a873342
HM		 3396 }
3397 offset++;
3398 }
3399
3400 if (is_rsn_ie) {
3401 wme_bss_disable = 1;
3402 if ((offset + RSN_CAP_LEN) <= len) {
3403 rsn_cap = data[offset] + (data[offset + 1] << 8);
3404 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3405 wme_bss_disable = 0;
3406 }
3407 /* set wme_bss_disable to sync RSN Capabilities */
ac24be6f 3408 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
81f5dcb8 3409 wme_bss_disable);
1a873342 3410 if (err < 0) {
57d6e91a 3411 brcmf_err("wme_bss_disable error %d\n", err);
1a873342
HM		 3412 goto exit;
3413 }
3414 }
3415 /* FOR WPS , set SES_OW_ENABLED */
3416 wsec = (pval | gval | SES_OW_ENABLED);
3417
3418 /* set auth */
ac24be6f 3419 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
1a873342 3420 if (err < 0) {
57d6e91a 3421 brcmf_err("auth error %d\n", err);
1a873342
HM		 3422 goto exit;
3423 }
3424 /* set wsec */
ac24be6f 3425 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
1a873342 3426 if (err < 0) {
57d6e91a 3427 brcmf_err("wsec error %d\n", err);
1a873342
HM		 3428 goto exit;
3429 }
3430 /* set upper-layer auth */
ac24be6f 3431 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
1a873342 3432 if (err < 0) {
57d6e91a 3433 brcmf_err("wpa_auth error %d\n", err);
1a873342
HM		 3434 goto exit;
3435 }
3436
3437exit:
3438 return err;
3439}
3440
3441static s32
3082b9be 3442brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
1a873342
HM		 3443 struct parsed_vndr_ies *vndr_ies)
3444{
1a873342
HM		 3445 struct brcmf_vs_tlv *vndrie;
3446 struct brcmf_tlv *ie;
3447 struct parsed_vndr_ie_info *parsed_info;
3448 s32 remaining_len;
3449
3450 remaining_len = (s32)vndr_ie_len;
3451 memset(vndr_ies, 0, sizeof(*vndr_ies));
3452
3453 ie = (struct brcmf_tlv *)vndr_ie_buf;
3454 while (ie) {
3455 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
3456 goto next;
3457 vndrie = (struct brcmf_vs_tlv *)ie;
3458 /* len should be bigger than OUI length + one */
3459 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
57d6e91a
AS		 3460 brcmf_err("invalid vndr ie. length is too small %d\n",
3461 vndrie->len);
1a873342
HM		 3462 goto next;
3463 }
3464 /* if wpa or wme ie, do not add ie */
3465 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
3466 ((vndrie->oui_type == WPA_OUI_TYPE) ||
3467 (vndrie->oui_type == WME_OUI_TYPE))) {
d96b801f 3468 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
1a873342
HM		 3469 goto next;
3470 }
3471
3472 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
3473
3474 /* save vndr ie information */
3475 parsed_info->ie_ptr = (char *)vndrie;
3476 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
3477 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
3478
3479 vndr_ies->count++;
3480
d96b801f
AS		 3481 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
3482 parsed_info->vndrie.oui[0],
3483 parsed_info->vndrie.oui[1],
3484 parsed_info->vndrie.oui[2],
3485 parsed_info->vndrie.oui_type);
1a873342 3486
9f440b7b 3487 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
1a873342
HM		 3488 break;
3489next:
b41fc3d7
HM		 3490 remaining_len -= (ie->len + TLV_HDR_LEN);
3491 if (remaining_len <= TLV_HDR_LEN)
1a873342
HM		 3492 ie = NULL;
3493 else
b41fc3d7
HM		 3494 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
3495 TLV_HDR_LEN);
1a873342 3496 }
12f32370 3497 return 0;
1a873342
HM		 3498}
3499
3500static u32
3501brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
3502{
3503
3504 __le32 iecount_le;
3505 __le32 pktflag_le;
3506
3507 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
3508 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
3509
3510 iecount_le = cpu_to_le32(1);
3511 memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le));
3512
3513 pktflag_le = cpu_to_le32(pktflag);
3514 memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le));
3515
3516 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
3517
3518 return ie_len + VNDR_IE_HDR_SIZE;
3519}
3520
1332e26e
AS		 3521s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
3522 const u8 *vndr_ie_buf, u32 vndr_ie_len)
1a873342 3523{
1332e26e
AS		 3524 struct brcmf_if *ifp;
3525 struct vif_saved_ie *saved_ie;
1a873342
HM		 3526 s32 err = 0;
3527 u8 *iovar_ie_buf;
3528 u8 *curr_ie_buf;
3529 u8 *mgmt_ie_buf = NULL;
3e4f319d 3530 int mgmt_ie_buf_len;
81118d16 3531 u32 *mgmt_ie_len;
1a873342
HM		 3532 u32 del_add_ie_buf_len = 0;
3533 u32 total_ie_buf_len = 0;
3534 u32 parsed_ie_buf_len = 0;
3535 struct parsed_vndr_ies old_vndr_ies;
3536 struct parsed_vndr_ies new_vndr_ies;
3537 struct parsed_vndr_ie_info *vndrie_info;
3538 s32 i;
3539 u8 *ptr;
3e4f319d 3540 int remained_buf_len;
1a873342 3541
1332e26e
AS		 3542 if (!vif)
3543 return -ENODEV;
3544 ifp = vif->ifp;
3545 saved_ie = &vif->saved_ie;
3546
d96b801f 3547 brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
1a873342
HM		 3548 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3549 if (!iovar_ie_buf)
3550 return -ENOMEM;
3551 curr_ie_buf = iovar_ie_buf;
89286dc9
HM		 3552 switch (pktflag) {
3553 case BRCMF_VNDR_IE_PRBREQ_FLAG:
3554 mgmt_ie_buf = saved_ie->probe_req_ie;
3555 mgmt_ie_len = &saved_ie->probe_req_ie_len;
3556 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
3557 break;
3558 case BRCMF_VNDR_IE_PRBRSP_FLAG:
3559 mgmt_ie_buf = saved_ie->probe_res_ie;
3560 mgmt_ie_len = &saved_ie->probe_res_ie_len;
3561 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
3562 break;
3563 case BRCMF_VNDR_IE_BEACON_FLAG:
3564 mgmt_ie_buf = saved_ie->beacon_ie;
3565 mgmt_ie_len = &saved_ie->beacon_ie_len;
3566 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
3567 break;
3568 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
3569 mgmt_ie_buf = saved_ie->assoc_req_ie;
3570 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
3571 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
3572 break;
3573 default:
3574 err = -EPERM;
3575 brcmf_err("not suitable type\n");
3576 goto exit;
1a873342
HM		 3577 }
3578
3579 if (vndr_ie_len > mgmt_ie_buf_len) {
3580 err = -ENOMEM;
57d6e91a 3581 brcmf_err("extra IE size too big\n");
1a873342
HM		 3582 goto exit;
3583 }
3584
3585 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
3586 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
3587 ptr = curr_ie_buf;
3588 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
3589 for (i = 0; i < new_vndr_ies.count; i++) {
3590 vndrie_info = &new_vndr_ies.ie_info[i];
3591 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
3592 vndrie_info->ie_len);
3593 parsed_ie_buf_len += vndrie_info->ie_len;
3594 }
3595 }
3596
b41fc3d7 3597 if (mgmt_ie_buf && *mgmt_ie_len) {
1a873342
HM		 3598 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
3599 (memcmp(mgmt_ie_buf, curr_ie_buf,
3600 parsed_ie_buf_len) == 0)) {
d96b801f 3601 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
1a873342
HM		 3602 goto exit;
3603 }
3604
3605 /* parse old vndr_ie */
3606 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
3607
3608 /* make a command to delete old ie */
3609 for (i = 0; i < old_vndr_ies.count; i++) {
3610 vndrie_info = &old_vndr_ies.ie_info[i];
3611
d96b801f
AS		 3612 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
3613 vndrie_info->vndrie.id,
3614 vndrie_info->vndrie.len,
3615 vndrie_info->vndrie.oui[0],
3616 vndrie_info->vndrie.oui[1],
3617 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3618
3619 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3620 vndrie_info->ie_ptr,
3621 vndrie_info->ie_len,
3622 "del");
3623 curr_ie_buf += del_add_ie_buf_len;
3624 total_ie_buf_len += del_add_ie_buf_len;
3625 }
3626 }
3627
3628 *mgmt_ie_len = 0;
3629 /* Add if there is any extra IE */
3630 if (mgmt_ie_buf && parsed_ie_buf_len) {
3631 ptr = mgmt_ie_buf;
3632
3633 remained_buf_len = mgmt_ie_buf_len;
3634
3635 /* make a command to add new ie */
3636 for (i = 0; i < new_vndr_ies.count; i++) {
3637 vndrie_info = &new_vndr_ies.ie_info[i];
3638
b41fc3d7
HM		 3639 /* verify remained buf size before copy data */
3640 if (remained_buf_len < (vndrie_info->vndrie.len +
3641 VNDR_IE_VSIE_OFFSET)) {
57d6e91a
AS		 3642 brcmf_err("no space in mgmt_ie_buf: len left %d",
3643 remained_buf_len);
b41fc3d7
HM		 3644 break;
3645 }
3646 remained_buf_len -= (vndrie_info->ie_len +
3647 VNDR_IE_VSIE_OFFSET);
3648
d96b801f
AS		 3649 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
3650 vndrie_info->vndrie.id,
3651 vndrie_info->vndrie.len,
3652 vndrie_info->vndrie.oui[0],
3653 vndrie_info->vndrie.oui[1],
3654 vndrie_info->vndrie.oui[2]);
1a873342
HM		 3655
3656 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3657 vndrie_info->ie_ptr,
3658 vndrie_info->ie_len,
3659 "add");
1a873342
HM		 3660
3661 /* save the parsed IE in wl struct */
3662 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
3663 vndrie_info->ie_len);
3664 *mgmt_ie_len += vndrie_info->ie_len;
3665
3666 curr_ie_buf += del_add_ie_buf_len;
3667 total_ie_buf_len += del_add_ie_buf_len;
3668 }
3669 }
3670 if (total_ie_buf_len) {
c1179033 3671 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
81f5dcb8 3672 total_ie_buf_len);
1a873342 3673 if (err)
57d6e91a 3674 brcmf_err("vndr ie set error : %d\n", err);
1a873342
HM		 3675 }
3676
3677exit:
3678 kfree(iovar_ie_buf);
3679 return err;
3680}
3681
5f4f9f11
AS		 3682s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
3683{
3684 s32 pktflags[] = {
3685 BRCMF_VNDR_IE_PRBREQ_FLAG,
3686 BRCMF_VNDR_IE_PRBRSP_FLAG,
3687 BRCMF_VNDR_IE_BEACON_FLAG
3688 };
3689 int i;
3690
3691 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
3692 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
3693
3694 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
3695 return 0;
3696}
3697
a0f07959
HM		 3698static s32
3699brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
3700 struct cfg80211_beacon_data *beacon)
3701{
3702 s32 err;
3703
3704 /* Set Beacon IEs to FW */
3705 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
3706 beacon->tail, beacon->tail_len);
3707 if (err) {
3708 brcmf_err("Set Beacon IE Failed\n");
3709 return err;
3710 }
3711 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
3712
3713 /* Set Probe Response IEs to FW */
3714 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
3715 beacon->proberesp_ies,
3716 beacon->proberesp_ies_len);
3717 if (err)
3718 brcmf_err("Set Probe Resp IE Failed\n");
3719 else
3720 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
3721
3722 return err;
3723}
3724
1a873342
HM		 3725static s32
3726brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
3727 struct cfg80211_ap_settings *settings)
3728{
3729 s32 ie_offset;
1c9d30cf 3730 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
ac24be6f 3731 struct brcmf_if *ifp = netdev_priv(ndev);
4b5800fe 3732 const struct brcmf_tlv *ssid_ie;
1a873342 3733 struct brcmf_ssid_le ssid_le;
1a873342 3734 s32 err = -EPERM;
4b5800fe
JB		 3735 const struct brcmf_tlv *rsn_ie;
3736 const struct brcmf_vs_tlv *wpa_ie;
1a873342 3737 struct brcmf_join_params join_params;
a0f07959
HM		 3738 enum nl80211_iftype dev_role;
3739 struct brcmf_fil_bss_enable_le bss_enable;
06c01585 3740 u16 chanspec;
1a873342 3741
06c01585
AS		 3742 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
3743 settings->chandef.chan->hw_value,
3744 settings->chandef.center_freq1, settings->chandef.width,
a9a56878 3745 settings->beacon_interval, settings->dtim_period);
d96b801f
AS		 3746 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
3747 settings->ssid, settings->ssid_len, settings->auth_type,
3748 settings->inactivity_timeout);
1a873342 3749
426d0a56 3750 dev_role = ifp->vif->wdev.iftype;
1a873342
HM		 3751
3752 memset(&ssid_le, 0, sizeof(ssid_le));
3753 if (settings->ssid == NULL || settings->ssid_len == 0) {
3754 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
3755 ssid_ie = brcmf_parse_tlvs(
3756 (u8 *)&settings->beacon.head[ie_offset],
3757 settings->beacon.head_len - ie_offset,
3758 WLAN_EID_SSID);
3759 if (!ssid_ie)
3760 return -EINVAL;
3761
3762 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
3763 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
d96b801f 3764 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
1a873342
HM		 3765 } else {
3766 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
3767 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
3768 }
3769
f96aa07e 3770 brcmf_set_mpc(ifp, 0);
b3657453 3771 brcmf_configure_arp_offload(ifp, false);
1a873342
HM		 3772
3773 /* find the RSN_IE */
3774 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
3775 settings->beacon.tail_len, WLAN_EID_RSN);
3776
3777 /* find the WPA_IE */
3778 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
3779 settings->beacon.tail_len);
3780
1a873342 3781 if ((wpa_ie != NULL || rsn_ie != NULL)) {
d96b801f 3782 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
1a873342
HM		 3783 if (wpa_ie != NULL) {
3784 /* WPA IE */
34778529 3785 err = brcmf_configure_wpaie(ndev, wpa_ie, false);
1a873342
HM		 3786 if (err < 0)
3787 goto exit;
1a873342
HM		 3788 } else {
3789 /* RSN IE */
3790 err = brcmf_configure_wpaie(ndev,
34778529 3791 (struct brcmf_vs_tlv *)rsn_ie, true);
1a873342
HM		 3792 if (err < 0)
3793 goto exit;
1a873342 3794 }
1a873342 3795 } else {
d96b801f 3796 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
1f170110 3797 brcmf_configure_opensecurity(ifp);
1a873342 3798 }
1a873342 3799
a0f07959 3800 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
1a873342 3801
600a897d 3802 chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef);
06c01585 3803 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
1c9d30cf 3804 if (err < 0) {
06c01585 3805 brcmf_err("Set Channel failed: chspec=%d, %d\n", chanspec, err);
1c9d30cf
HM		 3806 goto exit;
3807 }
3808
1a873342 3809 if (settings->beacon_interval) {
ac24be6f 3810 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
81f5dcb8 3811 settings->beacon_interval);
1a873342 3812 if (err < 0) {
57d6e91a 3813 brcmf_err("Beacon Interval Set Error, %d\n", err);
1a873342
HM		 3814 goto exit;
3815 }
3816 }
3817 if (settings->dtim_period) {
ac24be6f 3818 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
81f5dcb8 3819 settings->dtim_period);
1a873342 3820 if (err < 0) {
57d6e91a 3821 brcmf_err("DTIM Interval Set Error, %d\n", err);
1a873342
HM		 3822 goto exit;
3823 }
3824 }
a0f07959
HM		 3825
3826 if (dev_role == NL80211_IFTYPE_AP) {
3827 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
3828 if (err < 0) {
3829 brcmf_err("BRCMF_C_DOWN error %d\n", err);
3830 goto exit;
3831 }
2880b868 3832 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
1a873342
HM		 3833 }
3834
a0f07959 3835 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
1a873342 3836 if (err < 0) {
a0f07959 3837 brcmf_err("SET INFRA error %d\n", err);
1a873342
HM		 3838 goto exit;
3839 }
a0f07959
HM		 3840 if (dev_role == NL80211_IFTYPE_AP) {
3841 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
3842 if (err < 0) {
3843 brcmf_err("setting AP mode failed %d\n", err);
3844 goto exit;
3845 }
3846 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
3847 if (err < 0) {
3848 brcmf_err("BRCMF_C_UP error (%d)\n", err);
3849 goto exit;
3850 }
3851
3852 memset(&join_params, 0, sizeof(join_params));
3853 /* join parameters starts with ssid */
3854 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
3855 /* create softap */
3856 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
3857 &join_params, sizeof(join_params));
3858 if (err < 0) {
3859 brcmf_err("SET SSID error (%d)\n", err);
3860 goto exit;
3861 }
3862 brcmf_dbg(TRACE, "AP mode configuration complete\n");
3863 } else {
3864 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
3865 sizeof(ssid_le));
3866 if (err < 0) {
3867 brcmf_err("setting ssid failed %d\n", err);
3868 goto exit;
3869 }
3870 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
3871 bss_enable.enable = cpu_to_le32(1);
3872 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
3873 sizeof(bss_enable));
3874 if (err < 0) {
3875 brcmf_err("bss_enable config failed %d\n", err);
3876 goto exit;
3877 }
3878
3879 brcmf_dbg(TRACE, "GO mode configuration complete\n");
3880 }
c1179033
AS		 3881 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3882 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
1a873342
HM		 3883
3884exit:
b3657453 3885 if (err) {
f96aa07e 3886 brcmf_set_mpc(ifp, 1);
b3657453
HM		 3887 brcmf_configure_arp_offload(ifp, true);
3888 }
1a873342
HM		 3889 return err;
3890}
3891
3892static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
3893{
c1179033 3894 struct brcmf_if *ifp = netdev_priv(ndev);
5c33a942 3895 s32 err;
426d0a56 3896 struct brcmf_fil_bss_enable_le bss_enable;
5c33a942 3897 struct brcmf_join_params join_params;
1a873342 3898
d96b801f 3899 brcmf_dbg(TRACE, "Enter\n");
1a873342 3900
426d0a56 3901 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
1a873342
HM		 3902 /* Due to most likely deauths outstanding we sleep */
3903 /* first to make sure they get processed by fw. */
3904 msleep(400);
5c33a942
HM		 3905
3906 memset(&join_params, 0, sizeof(join_params));
3907 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
3908 &join_params, sizeof(join_params));
3909 if (err < 0)
3910 brcmf_err("SET SSID error (%d)\n", err);
128ce3b6 3911 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5c33a942 3912 if (err < 0)
57d6e91a 3913 brcmf_err("BRCMF_C_UP error %d\n", err);
5c33a942
HM		 3914 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
3915 if (err < 0)
3916 brcmf_err("setting AP mode failed %d\n", err);
3917 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
3918 if (err < 0)
3919 brcmf_err("setting INFRA mode failed %d\n", err);
426d0a56
HM		 3920 } else {
3921 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
3922 bss_enable.enable = cpu_to_le32(0);
3923 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
3924 sizeof(bss_enable));
3925 if (err < 0)
3926 brcmf_err("bss_enable config failed %d\n", err);
1a873342 3927 }
f96aa07e 3928 brcmf_set_mpc(ifp, 1);
b3657453 3929 brcmf_configure_arp_offload(ifp, true);
426d0a56
HM		 3930 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3931 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
3932
1a873342
HM		 3933 return err;
3934}
3935
a0f07959
HM		 3936static s32
3937brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
3938 struct cfg80211_beacon_data *info)
3939{
a0f07959
HM		 3940 struct brcmf_if *ifp = netdev_priv(ndev);
3941 s32 err;
3942
3943 brcmf_dbg(TRACE, "Enter\n");
3944
a0f07959
HM		 3945 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
3946
3947 return err;
3948}
3949
1a873342
HM		 3950static int
3951brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
3b3a0162 3952 const u8 *mac)
1a873342 3953{
a0f07959 3954 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1a873342 3955 struct brcmf_scb_val_le scbval;
0abb5f21 3956 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 3957 s32 err;
3958
3959 if (!mac)
3960 return -EFAULT;
3961
d96b801f 3962 brcmf_dbg(TRACE, "Enter %pM\n", mac);
1a873342 3963
a0f07959
HM		 3964 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
3965 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
ce81e317 3966 if (!check_vif_up(ifp->vif))
1a873342
HM		 3967 return -EIO;
3968
3969 memcpy(&scbval.ea, mac, ETH_ALEN);
3970 scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
0abb5f21 3971 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
81f5dcb8 3972 &scbval, sizeof(scbval));
1a873342 3973 if (err)
57d6e91a 3974 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
7ab6acd0 3975
d96b801f 3976 brcmf_dbg(TRACE, "Exit\n");
1a873342
HM		 3977 return err;
3978}
3979
0de8aace
HM		 3980
3981static void
3982brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
3983 struct wireless_dev *wdev,
3984 u16 frame_type, bool reg)
3985{
7fa2e352 3986 struct brcmf_cfg80211_vif *vif;
0de8aace
HM		 3987 u16 mgmt_type;
3988
3989 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
3990
3991 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
7fa2e352 3992 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
0de8aace
HM		 3993 if (reg)
3994 vif->mgmt_rx_reg |= BIT(mgmt_type);
3995 else
318a64ce 3996 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
0de8aace
HM		 3997}
3998
3999
4000static int
4001brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 4002 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
0de8aace
HM		 4003{
4004 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
b176e629
AO		 4005 struct ieee80211_channel *chan = params->chan;
4006 const u8 *buf = params->buf;
4007 size_t len = params->len;
0de8aace
HM		 4008 const struct ieee80211_mgmt *mgmt;
4009 struct brcmf_cfg80211_vif *vif;
4010 s32 err = 0;
4011 s32 ie_offset;
4012 s32 ie_len;
18e2f61d
HM		 4013 struct brcmf_fil_action_frame_le *action_frame;
4014 struct brcmf_fil_af_params_le *af_params;
4015 bool ack;
4016 s32 chan_nr;
c2ff8cad 4017 u32 freq;
0de8aace
HM		 4018
4019 brcmf_dbg(TRACE, "Enter\n");
4020
4021 *cookie = 0;
4022
4023 mgmt = (const struct ieee80211_mgmt *)buf;
4024
a0f07959
HM		 4025 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4026 brcmf_err("Driver only allows MGMT packet type\n");
4027 return -EPERM;
4028 }
0de8aace 4029
c2ff8cad
AQ		 4030 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4031
a0f07959
HM		 4032 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4033 /* Right now the only reason to get a probe response */
4034 /* is for p2p listen response or for p2p GO from */
4035 /* wpa_supplicant. Unfortunately the probe is send */
4036 /* on primary ndev, while dongle wants it on the p2p */
4037 /* vif. Since this is only reason for a probe */
4038 /* response to be sent, the vif is taken from cfg. */
4039 /* If ever desired to send proberesp for non p2p */
4040 /* response then data should be checked for */
4041 /* "DIRECT-". Note in future supplicant will take */
4042 /* dedicated p2p wdev to do this and then this 'hack'*/
4043 /* is not needed anymore. */
4044 ie_offset = DOT11_MGMT_HDR_LEN +
4045 DOT11_BCN_PRB_FIXED_LEN;
4046 ie_len = len - ie_offset;
a0f07959 4047 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
0de8aace 4048 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
a0f07959
HM		 4049 err = brcmf_vif_set_mgmt_ie(vif,
4050 BRCMF_VNDR_IE_PRBRSP_FLAG,
4051 &buf[ie_offset],
4052 ie_len);
4053 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4054 GFP_KERNEL);
18e2f61d
HM		 4055 } else if (ieee80211_is_action(mgmt->frame_control)) {
4056 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4057 if (af_params == NULL) {
4058 brcmf_err("unable to allocate frame\n");
4059 err = -ENOMEM;
4060 goto exit;
4061 }
4062 action_frame = &af_params->action_frame;
4063 /* Add the packet Id */
4064 action_frame->packet_id = cpu_to_le32(*cookie);
4065 /* Add BSSID */
4066 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4067 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4068 /* Add the length exepted for 802.11 header */
4069 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
c2ff8cad
AQ		 4070 /* Add the channel. Use the one specified as parameter if any or
4071 * the current one (got from the firmware) otherwise
4072 */
4073 if (chan)
4074 freq = chan->center_freq;
4075 else
4076 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4077 &freq);
4078 chan_nr = ieee80211_frequency_to_channel(freq);
18e2f61d
HM		 4079 af_params->channel = cpu_to_le32(chan_nr);
4080
4081 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4082 le16_to_cpu(action_frame->len));
4083
4084 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
86a9c4a2 4085 *cookie, le16_to_cpu(action_frame->len), freq);
18e2f61d 4086
7fa2e352 4087 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
18e2f61d
HM		 4088 af_params);
4089
4090 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4091 GFP_KERNEL);
4092 kfree(af_params);
a0f07959
HM		 4093 } else {
4094 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4095 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
0de8aace 4096 }
a0f07959 4097
18e2f61d 4098exit:
0de8aace
HM		 4099 return err;
4100}
4101
4102
4103static int
4104brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4105 struct wireless_dev *wdev,
4106 u64 cookie)
4107{
4108 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4109 struct brcmf_cfg80211_vif *vif;
4110 int err = 0;
4111
4112 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4113
4114 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4115 if (vif == NULL) {
4116 brcmf_err("No p2p device available for probe response\n");
4117 err = -ENODEV;
4118 goto exit;
4119 }
4120 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4121exit:
4122 return err;
4123}
4124
61730d4d
PH		 4125static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4126 struct wireless_dev *wdev,
4127 enum nl80211_crit_proto_id proto,
4128 u16 duration)
4129{
4130 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4131 struct brcmf_cfg80211_vif *vif;
4132
4133 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4134
4135 /* only DHCP support for now */
4136 if (proto != NL80211_CRIT_PROTO_DHCP)
4137 return -EINVAL;
4138
4139 /* suppress and abort scanning */
4140 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4141 brcmf_abort_scanning(cfg);
4142
4143 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4144}
4145
4146static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4147 struct wireless_dev *wdev)
4148{
4149 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4150 struct brcmf_cfg80211_vif *vif;
4151
4152 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4153
4154 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4155 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4156}
4157
89c2f382
AS		 4158static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4159{
4160 int ret;
4161
4162 switch (oper) {
4163 case NL80211_TDLS_DISCOVERY_REQ:
4164 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4165 break;
4166 case NL80211_TDLS_SETUP:
4167 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4168 break;
4169 case NL80211_TDLS_TEARDOWN:
4170 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4171 break;
4172 default:
4173 brcmf_err("unsupported operation: %d\n", oper);
4174 ret = -EOPNOTSUPP;
4175 }
4176 return ret;
4177}
4178
4179static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
3b3a0162 4180 struct net_device *ndev, const u8 *peer,
89c2f382
AS		 4181 enum nl80211_tdls_operation oper)
4182{
4183 struct brcmf_if *ifp;
4184 struct brcmf_tdls_iovar_le info;
4185 int ret = 0;
4186
4187 ret = brcmf_convert_nl80211_tdls_oper(oper);
4188 if (ret < 0)
4189 return ret;
4190
4191 ifp = netdev_priv(ndev);
4192 memset(&info, 0, sizeof(info));
4193 info.mode = (u8)ret;
4194 if (peer)
4195 memcpy(info.ea, peer, ETH_ALEN);
4196
4197 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
4198 &info, sizeof(info));
4199 if (ret < 0)
4200 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
4201
4202 return ret;
4203}
4204
5b435de0 4205static struct cfg80211_ops wl_cfg80211_ops = {
9f440b7b
AS		 4206 .add_virtual_intf = brcmf_cfg80211_add_iface,
4207 .del_virtual_intf = brcmf_cfg80211_del_iface,
5b435de0
AS		 4208 .change_virtual_intf = brcmf_cfg80211_change_iface,
4209 .scan = brcmf_cfg80211_scan,
4210 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
4211 .join_ibss = brcmf_cfg80211_join_ibss,
4212 .leave_ibss = brcmf_cfg80211_leave_ibss,
4213 .get_station = brcmf_cfg80211_get_station,
4214 .set_tx_power = brcmf_cfg80211_set_tx_power,
4215 .get_tx_power = brcmf_cfg80211_get_tx_power,
4216 .add_key = brcmf_cfg80211_add_key,
4217 .del_key = brcmf_cfg80211_del_key,
4218 .get_key = brcmf_cfg80211_get_key,
4219 .set_default_key = brcmf_cfg80211_config_default_key,
4220 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
4221 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
5b435de0
AS		 4222 .connect = brcmf_cfg80211_connect,
4223 .disconnect = brcmf_cfg80211_disconnect,
4224 .suspend = brcmf_cfg80211_suspend,
4225 .resume = brcmf_cfg80211_resume,
4226 .set_pmksa = brcmf_cfg80211_set_pmksa,
4227 .del_pmksa = brcmf_cfg80211_del_pmksa,
cbaa177d 4228 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
1a873342
HM		 4229 .start_ap = brcmf_cfg80211_start_ap,
4230 .stop_ap = brcmf_cfg80211_stop_ap,
a0f07959 4231 .change_beacon = brcmf_cfg80211_change_beacon,
1a873342 4232 .del_station = brcmf_cfg80211_del_station,
e5806072
AS		 4233 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
4234 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
0de8aace
HM		 4235 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
4236 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
4237 .remain_on_channel = brcmf_p2p_remain_on_channel,
4238 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
27f10e38
AS		 4239 .start_p2p_device = brcmf_p2p_start_device,
4240 .stop_p2p_device = brcmf_p2p_stop_device,
61730d4d
PH		 4241 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
4242 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
89c2f382 4243 .tdls_oper = brcmf_cfg80211_tdls_oper,
5b435de0
AS		 4244};
4245
3eacf866 4246struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
9f440b7b
AS		 4247 enum nl80211_iftype type,
4248 bool pm_block)
3eacf866
AS		 4249{
4250 struct brcmf_cfg80211_vif *vif;
5b435de0 4251
33a6b157 4252 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
9f440b7b 4253 sizeof(*vif));
3eacf866
AS		 4254 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
4255 if (!vif)
4256 return ERR_PTR(-ENOMEM);
4257
4258 vif->wdev.wiphy = cfg->wiphy;
9f440b7b 4259 vif->wdev.iftype = type;
5b435de0 4260
3eacf866
AS		 4261 vif->pm_block = pm_block;
4262 vif->roam_off = -1;
4263
6ac4f4ed
AS		 4264 brcmf_init_prof(&vif->profile);
4265
3eacf866 4266 list_add_tail(&vif->list, &cfg->vif_list);
3eacf866 4267 return vif;
5b435de0
AS		 4268}
4269
427dec5f 4270void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5b435de0 4271{
3eacf866 4272 list_del(&vif->list);
3eacf866 4273 kfree(vif);
5b435de0
AS		 4274}
4275
9df4d542
AS		 4276void brcmf_cfg80211_free_netdev(struct net_device *ndev)
4277{
4278 struct brcmf_cfg80211_vif *vif;
4279 struct brcmf_if *ifp;
4280
4281 ifp = netdev_priv(ndev);
4282 vif = ifp->vif;
4283
4284 brcmf_free_vif(vif);
4285 free_netdev(ndev);
4286}
4287
903e0eee 4288static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
5b435de0 4289{
5c36b99a
AS		 4290 u32 event = e->event_code;
4291 u32 status = e->status;
5b435de0
AS		 4292
4293 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
16886735 4294 brcmf_dbg(CONN, "Processing set ssid\n");
5b435de0
AS		 4295 return true;
4296 }
4297
4298 return false;
4299}
4300
903e0eee 4301static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
5b435de0 4302{
5c36b99a
AS		 4303 u32 event = e->event_code;
4304 u16 flags = e->flags;
5b435de0 4305
68ca395f
HM		 4306 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
4307 (event == BRCMF_E_DISASSOC_IND) ||
4308 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
16886735 4309 brcmf_dbg(CONN, "Processing link down\n");
5b435de0
AS		 4310 return true;
4311 }
4312 return false;
4313}
4314
27a68fe3 4315static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4316 const struct brcmf_event_msg *e)
4317{
5c36b99a
AS		 4318 u32 event = e->event_code;
4319 u32 status = e->status;
5b435de0
AS		 4320
4321 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
16886735
AS		 4322 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
4323 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
5b435de0
AS		 4324 return true;
4325 }
4326
4327 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
16886735 4328 brcmf_dbg(CONN, "Processing connecting & no network found\n");
5b435de0
AS		 4329 return true;
4330 }
4331
4332 return false;
4333}
4334
27a68fe3 4335static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5b435de0 4336{
27a68fe3 4337 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4338
4339 kfree(conn_info->req_ie);
4340 conn_info->req_ie = NULL;
4341 conn_info->req_ie_len = 0;
4342 kfree(conn_info->resp_ie);
4343 conn_info->resp_ie = NULL;
4344 conn_info->resp_ie_len = 0;
4345}
4346
89286dc9
HM		 4347static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
4348 struct brcmf_if *ifp)
5b435de0 4349{
c4e382d2 4350 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
27a68fe3 4351 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4352 u32 req_len;
4353 u32 resp_len;
4354 s32 err = 0;
4355
27a68fe3 4356 brcmf_clear_assoc_ies(cfg);
5b435de0 4357
ac24be6f
AS		 4358 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
4359 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5b435de0 4360 if (err) {
57d6e91a 4361 brcmf_err("could not get assoc info (%d)\n", err);
5b435de0
AS		 4362 return err;
4363 }
c4e382d2 4364 assoc_info =
27a68fe3 4365 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
c4e382d2
AS		 4366 req_len = le32_to_cpu(assoc_info->req_len);
4367 resp_len = le32_to_cpu(assoc_info->resp_len);
5b435de0 4368 if (req_len) {
ac24be6f 4369 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
81f5dcb8
HM		 4370 cfg->extra_buf,
4371 WL_ASSOC_INFO_MAX);
5b435de0 4372 if (err) {
57d6e91a 4373 brcmf_err("could not get assoc req (%d)\n", err);
5b435de0
AS		 4374 return err;
4375 }
4376 conn_info->req_ie_len = req_len;
4377 conn_info->req_ie =
27a68fe3 4378 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5b435de0
AS		 4379 GFP_KERNEL);
4380 } else {
4381 conn_info->req_ie_len = 0;
4382 conn_info->req_ie = NULL;
4383 }
4384 if (resp_len) {
ac24be6f 4385 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
81f5dcb8
HM		 4386 cfg->extra_buf,
4387 WL_ASSOC_INFO_MAX);
5b435de0 4388 if (err) {
57d6e91a 4389 brcmf_err("could not get assoc resp (%d)\n", err);
5b435de0
AS		 4390 return err;
4391 }
4392 conn_info->resp_ie_len = resp_len;
4393 conn_info->resp_ie =
27a68fe3 4394 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5b435de0
AS		 4395 GFP_KERNEL);
4396 } else {
4397 conn_info->resp_ie_len = 0;
4398 conn_info->resp_ie = NULL;
4399 }
16886735
AS		 4400 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
4401 conn_info->req_ie_len, conn_info->resp_ie_len);
5b435de0
AS		 4402
4403 return err;
4404}
4405
4406static s32
27a68fe3 4407brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4408 struct net_device *ndev,
4409 const struct brcmf_event_msg *e)
4410{
c1179033
AS		 4411 struct brcmf_if *ifp = netdev_priv(ndev);
4412 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3
AS		 4413 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4414 struct wiphy *wiphy = cfg_to_wiphy(cfg);
a180b83b 4415 struct ieee80211_channel *notify_channel = NULL;
5b435de0 4416 struct ieee80211_supported_band *band;
a180b83b 4417 struct brcmf_bss_info_le *bi;
83cf17aa 4418 struct brcmu_chan ch;
5b435de0
AS		 4419 u32 freq;
4420 s32 err = 0;
a180b83b 4421 u8 *buf;
5b435de0 4422
d96b801f 4423 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4424
89286dc9 4425 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4426 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9 4427 brcmf_update_bss_info(cfg, ifp);
5b435de0 4428
a180b83b
FL		 4429 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
4430 if (buf == NULL) {
4431 err = -ENOMEM;
4432 goto done;
4433 }
4434
4435 /* data sent to dongle has to be little endian */
4436 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
c1179033 4437 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
ac24be6f 4438 buf, WL_BSS_INFO_MAX);
a180b83b
FL		 4439
4440 if (err)
4441 goto done;
5b435de0 4442
a180b83b 4443 bi = (struct brcmf_bss_info_le *)(buf + 4);
83cf17aa
FL		 4444 ch.chspec = le16_to_cpu(bi->chanspec);
4445 cfg->d11inf.decchspec(&ch);
5b435de0 4446
83cf17aa 4447 if (ch.band == BRCMU_CHAN_BAND_2G)
5b435de0
AS		 4448 band = wiphy->bands[IEEE80211_BAND_2GHZ];
4449 else
4450 band = wiphy->bands[IEEE80211_BAND_5GHZ];
4451
83cf17aa 4452 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
5b435de0
AS		 4453 notify_channel = ieee80211_get_channel(wiphy, freq);
4454
a180b83b
FL		 4455done:
4456 kfree(buf);
06bb123e 4457 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
5b435de0
AS		 4458 conn_info->req_ie, conn_info->req_ie_len,
4459 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
16886735 4460 brcmf_dbg(CONN, "Report roaming result\n");
5b435de0 4461
c1179033 4462 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
d96b801f 4463 brcmf_dbg(TRACE, "Exit\n");
5b435de0
AS		 4464 return err;
4465}
4466
4467static s32
27a68fe3 4468brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4469 struct net_device *ndev, const struct brcmf_event_msg *e,
4470 bool completed)
4471{
c1179033
AS		 4472 struct brcmf_if *ifp = netdev_priv(ndev);
4473 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3 4474 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0 4475
d96b801f 4476 brcmf_dbg(TRACE, "Enter\n");
5b435de0 4477
c1179033
AS		 4478 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4479 &ifp->vif->sme_state)) {
5b435de0 4480 if (completed) {
89286dc9 4481 brcmf_get_assoc_ies(cfg, ifp);
6c8c4f72 4482 memcpy(profile->bssid, e->addr, ETH_ALEN);
89286dc9
HM		 4483 brcmf_update_bss_info(cfg, ifp);
4484 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4485 &ifp->vif->sme_state);
5b435de0
AS		 4486 }
4487 cfg80211_connect_result(ndev,
06bb123e 4488 (u8 *)profile->bssid,
5b435de0
AS		 4489 conn_info->req_ie,
4490 conn_info->req_ie_len,
4491 conn_info->resp_ie,
4492 conn_info->resp_ie_len,
4493 completed ? WLAN_STATUS_SUCCESS :
4494 WLAN_STATUS_AUTH_TIMEOUT,
4495 GFP_KERNEL);
16886735
AS		 4496 brcmf_dbg(CONN, "Report connect result - connection %s\n",
4497 completed ? "succeeded" : "failed");
5b435de0 4498 }
d96b801f 4499 brcmf_dbg(TRACE, "Exit\n");
12f32370 4500 return 0;
5b435de0
AS		 4501}
4502
4503static s32
27a68fe3 4504brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
1a873342
HM		 4505 struct net_device *ndev,
4506 const struct brcmf_event_msg *e, void *data)
4507{
7ee29602 4508 static int generation;
5c36b99a
AS		 4509 u32 event = e->event_code;
4510 u32 reason = e->reason;
1a873342
HM		 4511 struct station_info sinfo;
4512
16886735 4513 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
5f4f9f11
AS		 4514 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
4515 ndev != cfg_to_ndev(cfg)) {
4516 brcmf_dbg(CONN, "AP mode link down\n");
4517 complete(&cfg->vif_disabled);
4518 return 0;
4519 }
1a873342 4520
1a873342 4521 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
7ee29602
HM		 4522 (reason == BRCMF_E_STATUS_SUCCESS)) {
4523 memset(&sinfo, 0, sizeof(sinfo));
1a873342
HM		 4524 sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
4525 if (!data) {
57d6e91a 4526 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
1a873342
HM		 4527 return -EINVAL;
4528 }
4529 sinfo.assoc_req_ies = data;
7ee29602 4530 sinfo.assoc_req_ies_len = e->datalen;
1a873342
HM		 4531 generation++;
4532 sinfo.generation = generation;
7ee29602 4533 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
1a873342
HM		 4534 } else if ((event == BRCMF_E_DISASSOC_IND) ||
4535 (event == BRCMF_E_DEAUTH_IND) ||
4536 (event == BRCMF_E_DEAUTH)) {
7ee29602 4537 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
1a873342 4538 }
7ee29602 4539 return 0;
1a873342
HM		 4540}
4541
5b435de0 4542static s32
1993732e 4543brcmf_notify_connect_status(struct brcmf_if *ifp,
5b435de0
AS		 4544 const struct brcmf_event_msg *e, void *data)
4545{
1993732e
AS		 4546 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4547 struct net_device *ndev = ifp->ndev;
c1179033 4548 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
fe94f3a4 4549 struct ieee80211_channel *chan;
5b435de0
AS		 4550 s32 err = 0;
4551
8851cce0
HM		 4552 if ((e->event_code == BRCMF_E_DEAUTH) ||
4553 (e->event_code == BRCMF_E_DEAUTH_IND) ||
4554 (e->event_code == BRCMF_E_DISASSOC_IND) ||
4555 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
4556 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4557 }
4558
967fe2c8 4559 if (brcmf_is_apmode(ifp->vif)) {
27a68fe3 4560 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
903e0eee 4561 } else if (brcmf_is_linkup(e)) {
16886735 4562 brcmf_dbg(CONN, "Linkup\n");
128ce3b6 4563 if (brcmf_is_ibssmode(ifp->vif)) {
fe94f3a4 4564 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
6c8c4f72 4565 memcpy(profile->bssid, e->addr, ETH_ALEN);
27a68fe3 4566 wl_inform_ibss(cfg, ndev, e->addr);
fe94f3a4 4567 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
c1179033
AS		 4568 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4569 &ifp->vif->sme_state);
4570 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4571 &ifp->vif->sme_state);
5b435de0 4572 } else
27a68fe3 4573 brcmf_bss_connect_done(cfg, ndev, e, true);
903e0eee 4574 } else if (brcmf_is_linkdown(e)) {
16886735 4575 brcmf_dbg(CONN, "Linkdown\n");
128ce3b6 4576 if (!brcmf_is_ibssmode(ifp->vif)) {
27a68fe3 4577 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0 4578 }
903e0eee 4579 brcmf_link_down(ifp->vif);
6ac4f4ed 4580 brcmf_init_prof(ndev_to_prof(ndev));
5f4f9f11
AS		 4581 if (ndev != cfg_to_ndev(cfg))
4582 complete(&cfg->vif_disabled);
27a68fe3 4583 } else if (brcmf_is_nonetwork(cfg, e)) {
128ce3b6 4584 if (brcmf_is_ibssmode(ifp->vif))
c1179033
AS		 4585 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4586 &ifp->vif->sme_state);
5b435de0 4587 else
27a68fe3 4588 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0
AS		 4589 }
4590
4591 return err;
4592}
4593
4594static s32
1993732e 4595brcmf_notify_roaming_status(struct brcmf_if *ifp,
5b435de0
AS		 4596 const struct brcmf_event_msg *e, void *data)
4597{
1993732e 4598 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5c36b99a
AS		 4599 u32 event = e->event_code;
4600 u32 status = e->status;
5b435de0
AS		 4601
4602 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
c1179033 4603 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
1993732e 4604 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
5b435de0 4605 else
1993732e 4606 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
5b435de0
AS		 4607 }
4608
12f32370 4609 return 0;
5b435de0
AS		 4610}
4611
4612static s32
1993732e 4613brcmf_notify_mic_status(struct brcmf_if *ifp,
5b435de0
AS		 4614 const struct brcmf_event_msg *e, void *data)
4615{
5c36b99a 4616 u16 flags = e->flags;
5b435de0
AS		 4617 enum nl80211_key_type key_type;
4618
4619 if (flags & BRCMF_EVENT_MSG_GROUP)
4620 key_type = NL80211_KEYTYPE_GROUP;
4621 else
4622 key_type = NL80211_KEYTYPE_PAIRWISE;
4623
1993732e 4624 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
5b435de0
AS		 4625 NULL, GFP_KERNEL);
4626
4627 return 0;
4628}
4629
d3c0b633
AS		 4630static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
4631 const struct brcmf_event_msg *e, void *data)
4632{
4633 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4634 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
4635 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
4636 struct brcmf_cfg80211_vif *vif;
4637
4638 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
4639 ifevent->action, ifevent->flags, ifevent->ifidx,
4640 ifevent->bssidx);
4641
d3c0b633
AS		 4642 mutex_lock(&event->vif_event_lock);
4643 event->action = ifevent->action;
4644 vif = event->vif;
4645
4646 switch (ifevent->action) {
4647 case BRCMF_E_IF_ADD:
4648 /* waiting process may have timed out */
dc4a787c
WY		 4649 if (!cfg->vif_event.vif) {
4650 mutex_unlock(&event->vif_event_lock);
d3c0b633 4651 return -EBADF;
dc4a787c 4652 }
d3c0b633
AS		 4653
4654 ifp->vif = vif;
4655 vif->ifp = ifp;
01b8e7db
AS		 4656 if (ifp->ndev) {
4657 vif->wdev.netdev = ifp->ndev;
4658 ifp->ndev->ieee80211_ptr = &vif->wdev;
4659 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
4660 }
d3c0b633
AS		 4661 mutex_unlock(&event->vif_event_lock);
4662 wake_up(&event->vif_wq);
4b3a89de 4663 return 0;
d3c0b633
AS		 4664
4665 case BRCMF_E_IF_DEL:
d3c0b633
AS		 4666 mutex_unlock(&event->vif_event_lock);
4667 /* event may not be upon user request */
4668 if (brcmf_cfg80211_vif_event_armed(cfg))
4669 wake_up(&event->vif_wq);
4670 return 0;
4671
7a5c1f64
HM		 4672 case BRCMF_E_IF_CHANGE:
4673 mutex_unlock(&event->vif_event_lock);
4674 wake_up(&event->vif_wq);
4675 return 0;
4676
d3c0b633
AS		 4677 default:
4678 mutex_unlock(&event->vif_event_lock);
4679 break;
4680 }
4681 return -EINVAL;
4682}
4683
5b435de0
AS		 4684static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
4685{
5b435de0
AS		 4686 conf->frag_threshold = (u32)-1;
4687 conf->rts_threshold = (u32)-1;
4688 conf->retry_short = (u32)-1;
4689 conf->retry_long = (u32)-1;
4690 conf->tx_power = -1;
4691}
4692
5c36b99a 4693static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5b435de0 4694{
5c36b99a
AS		 4695 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
4696 brcmf_notify_connect_status);
4697 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
4698 brcmf_notify_connect_status);
4699 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
4700 brcmf_notify_connect_status);
4701 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
4702 brcmf_notify_connect_status);
4703 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
4704 brcmf_notify_connect_status);
4705 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
4706 brcmf_notify_connect_status);
4707 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
4708 brcmf_notify_roaming_status);
4709 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
4710 brcmf_notify_mic_status);
4711 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
4712 brcmf_notify_connect_status);
4713 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
4714 brcmf_notify_sched_scan_results);
d3c0b633
AS		 4715 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
4716 brcmf_notify_vif_event);
0de8aace 4717 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
6eda4e2c 4718 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
0de8aace
HM		 4719 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
4720 brcmf_p2p_notify_listen_complete);
e6da3400
HM		 4721 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
4722 brcmf_p2p_notify_action_frame_rx);
18e2f61d
HM		 4723 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
4724 brcmf_p2p_notify_action_tx_complete);
6eda4e2c
HM		 4725 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
4726 brcmf_p2p_notify_action_tx_complete);
5b435de0
AS		 4727}
4728
27a68fe3
AS		 4729static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
4730{
27a68fe3
AS		 4731 kfree(cfg->conf);
4732 cfg->conf = NULL;
27a68fe3
AS		 4733 kfree(cfg->escan_ioctl_buf);
4734 cfg->escan_ioctl_buf = NULL;
27a68fe3
AS		 4735 kfree(cfg->extra_buf);
4736 cfg->extra_buf = NULL;
27a68fe3
AS		 4737 kfree(cfg->pmk_list);
4738 cfg->pmk_list = NULL;
27a68fe3
AS		 4739}
4740
4741static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
4742{
27a68fe3
AS		 4743 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
4744 if (!cfg->conf)
5b435de0 4745 goto init_priv_mem_out;
27a68fe3
AS		 4746 cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
4747 if (!cfg->escan_ioctl_buf)
e756af5b 4748 goto init_priv_mem_out;
27a68fe3
AS		 4749 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
4750 if (!cfg->extra_buf)
5b435de0 4751 goto init_priv_mem_out;
27a68fe3
AS		 4752 cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
4753 if (!cfg->pmk_list)
5b435de0
AS		 4754 goto init_priv_mem_out;
4755
4756 return 0;
4757
4758init_priv_mem_out:
27a68fe3 4759 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 4760
4761 return -ENOMEM;
4762}
4763
27a68fe3 4764static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 4765{
4766 s32 err = 0;
4767
27a68fe3
AS		 4768 cfg->scan_request = NULL;
4769 cfg->pwr_save = true;
68ca395f
HM		 4770 cfg->active_scan = true; /* we do active scan per default */
4771 cfg->dongle_up = false; /* dongle is not up yet */
27a68fe3 4772 err = brcmf_init_priv_mem(cfg);
5b435de0
AS		 4773 if (err)
4774 return err;
5c36b99a 4775 brcmf_register_event_handlers(cfg);
27a68fe3 4776 mutex_init(&cfg->usr_sync);
27a68fe3
AS		 4777 brcmf_init_escan(cfg);
4778 brcmf_init_conf(cfg->conf);
5f4f9f11 4779 init_completion(&cfg->vif_disabled);
5b435de0
AS		 4780 return err;
4781}
4782
27a68fe3 4783static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5b435de0 4784{
27a68fe3 4785 cfg->dongle_up = false; /* dongle down */
27a68fe3
AS		 4786 brcmf_abort_scanning(cfg);
4787 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 4788}
4789
d3c0b633
AS		 4790static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
4791{
4792 init_waitqueue_head(&event->vif_wq);
d3c0b633
AS		 4793 mutex_init(&event->vif_event_lock);
4794}
4795
5b435de0 4796static s32
68ca395f 4797brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
5b435de0 4798{
5b435de0 4799 s32 err = 0;
f588bc0c
AS		 4800 __le32 roamtrigger[2];
4801 __le32 roam_delta[2];
5b435de0
AS		 4802
4803 /*
4804 * Setup timeout if Beacons are lost and roam is
4805 * off to report link down
4806 */
68ca395f 4807 if (brcmf_roamoff) {
ac24be6f 4808 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5b435de0 4809 if (err) {
57d6e91a 4810 brcmf_err("bcn_timeout error (%d)\n", err);
5b435de0
AS		 4811 goto dongle_rom_out;
4812 }
4813 }
4814
4815 /*
4816 * Enable/Disable built-in roaming to allow supplicant
4817 * to take care of roaming
4818 */
68ca395f
HM		 4819 brcmf_dbg(INFO, "Internal Roaming = %s\n",
4820 brcmf_roamoff ? "Off" : "On");
4821 err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
5b435de0 4822 if (err) {
57d6e91a 4823 brcmf_err("roam_off error (%d)\n", err);
5b435de0
AS		 4824 goto dongle_rom_out;
4825 }
4826
f588bc0c
AS		 4827 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
4828 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 4829 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
81f5dcb8 4830 (void *)roamtrigger, sizeof(roamtrigger));
5b435de0 4831 if (err) {
57d6e91a 4832 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
5b435de0
AS		 4833 goto dongle_rom_out;
4834 }
4835
f588bc0c
AS		 4836 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
4837 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 4838 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
81f5dcb8 4839 (void *)roam_delta, sizeof(roam_delta));
5b435de0 4840 if (err) {
57d6e91a 4841 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
5b435de0
AS		 4842 goto dongle_rom_out;
4843 }
4844
4845dongle_rom_out:
4846 return err;
4847}
4848
4849static s32
40a23296 4850brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
c68cdc0f 4851 s32 scan_unassoc_time, s32 scan_passive_time)
5b435de0
AS		 4852{
4853 s32 err = 0;
4854
ac24be6f 4855 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
81f5dcb8 4856 scan_assoc_time);
5b435de0
AS		 4857 if (err) {
4858 if (err == -EOPNOTSUPP)
647c9ae0 4859 brcmf_dbg(INFO, "Scan assoc time is not supported\n");
5b435de0 4860 else
57d6e91a 4861 brcmf_err("Scan assoc time error (%d)\n", err);
5b435de0
AS		 4862 goto dongle_scantime_out;
4863 }
ac24be6f 4864 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
81f5dcb8 4865 scan_unassoc_time);
5b435de0
AS		 4866 if (err) {
4867 if (err == -EOPNOTSUPP)
647c9ae0 4868 brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
5b435de0 4869 else
57d6e91a 4870 brcmf_err("Scan unassoc time error (%d)\n", err);
5b435de0
AS		 4871 goto dongle_scantime_out;
4872 }
4873
ac24be6f 4874 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
81f5dcb8 4875 scan_passive_time);
5b435de0
AS		 4876 if (err) {
4877 if (err == -EOPNOTSUPP)
647c9ae0 4878 brcmf_dbg(INFO, "Scan passive time is not supported\n");
5b435de0 4879 else
57d6e91a 4880 brcmf_err("Scan passive time error (%d)\n", err);
5b435de0
AS		 4881 goto dongle_scantime_out;
4882 }
4883
4884dongle_scantime_out:
4885 return err;
4886}
4887
b48d8916
AS		 4888/* Filter the list of channels received from firmware counting only
4889 * the 20MHz channels. The wiphy band data only needs those which get
4890 * flagged to indicate if they can take part in higher bandwidth.
4891 */
4892static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
4893 struct brcmf_chanspec_list *chlist,
4894 u32 chcnt[])
4895{
4896 u32 total = le32_to_cpu(chlist->count);
4897 struct brcmu_chan ch;
4898 int i;
4899
4900 for (i = 0; i <= total; i++) {
4901 ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
4902 cfg->d11inf.decchspec(&ch);
4903
4904 /* Firmware gives a ordered list. We skip non-20MHz
4905 * channels is 2G. For 5G we can abort upon reaching
4906 * a non-20MHz channel in the list.
4907 */
4908 if (ch.bw != BRCMU_CHAN_BW_20) {
4909 if (ch.band == BRCMU_CHAN_BAND_5G)
4910 break;
4911 else
4912 continue;
4913 }
4914
4915 if (ch.band == BRCMU_CHAN_BAND_2G)
4916 chcnt[0] += 1;
4917 else if (ch.band == BRCMU_CHAN_BAND_5G)
4918 chcnt[1] += 1;
4919 }
4920}
4921
4922static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
4923 struct brcmu_chan *ch)
4924{
4925 u32 ht40_flag;
d48200ba 4926
b48d8916
AS		 4927 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
4928 if (ch->sb == BRCMU_CHAN_SB_U) {
4929 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
4930 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
4931 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
4932 } else {
4933 /* It should be one of
4934 * IEEE80211_CHAN_NO_HT40 or
4935 * IEEE80211_CHAN_NO_HT40PLUS
4936 */
4937 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
4938 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
4939 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
4940 }
4941}
4942
4943static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
4944 u32 bw_cap[])
d48200ba
HM		 4945{
4946 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
b48d8916
AS		 4947 struct ieee80211_supported_band *band;
4948 struct ieee80211_channel *channel;
4949 struct wiphy *wiphy;
d48200ba 4950 struct brcmf_chanspec_list *list;
83cf17aa 4951 struct brcmu_chan ch;
b48d8916 4952 int err;
d48200ba
HM		 4953 u8 *pbuf;
4954 u32 i, j;
4955 u32 total;
b48d8916
AS		 4956 u32 chaninfo;
4957 u32 chcnt[2] = { 0, 0 };
d48200ba 4958 u32 index;
d48200ba
HM		 4959
4960 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
4961
4962 if (pbuf == NULL)
4963 return -ENOMEM;
4964
4965 list = (struct brcmf_chanspec_list *)pbuf;
4966
4967 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
4968 BRCMF_DCMD_MEDLEN);
4969 if (err) {
4970 brcmf_err("get chanspecs error (%d)\n", err);
b48d8916 4971 goto fail_pbuf;
d48200ba
HM		 4972 }
4973
b48d8916
AS		 4974 brcmf_count_20mhz_channels(cfg, list, chcnt);
4975 wiphy = cfg_to_wiphy(cfg);
4976 if (chcnt[0]) {
4977 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
4978 GFP_KERNEL);
4979 if (band == NULL) {
4980 err = -ENOMEM;
4981 goto fail_pbuf;
4982 }
4983 band->channels = kcalloc(chcnt[0], sizeof(*channel),
4984 GFP_KERNEL);
4985 if (band->channels == NULL) {
4986 kfree(band);
4987 err = -ENOMEM;
4988 goto fail_pbuf;
4989 }
4990 band->n_channels = 0;
4991 wiphy->bands[IEEE80211_BAND_2GHZ] = band;
4992 }
4993 if (chcnt[1]) {
4994 band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
4995 GFP_KERNEL);
4996 if (band == NULL) {
4997 err = -ENOMEM;
4998 goto fail_band2g;
4999 }
5000 band->channels = kcalloc(chcnt[1], sizeof(*channel),
5001 GFP_KERNEL);
5002 if (band->channels == NULL) {
5003 kfree(band);
5004 err = -ENOMEM;
5005 goto fail_band2g;
5006 }
5007 band->n_channels = 0;
5008 wiphy->bands[IEEE80211_BAND_5GHZ] = band;
5009 }
d48200ba
HM		 5010
5011 total = le32_to_cpu(list->count);
5012 for (i = 0; i < total; i++) {
83cf17aa
FL		 5013 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5014 cfg->d11inf.decchspec(&ch);
d48200ba 5015
83cf17aa 5016 if (ch.band == BRCMU_CHAN_BAND_2G) {
b48d8916 5017 band = wiphy->bands[IEEE80211_BAND_2GHZ];
83cf17aa 5018 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
b48d8916 5019 band = wiphy->bands[IEEE80211_BAND_5GHZ];
d48200ba 5020 } else {
2375d970 5021 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
d48200ba
HM		 5022 continue;
5023 }
b48d8916 5024 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
2375d970 5025 ch.bw == BRCMU_CHAN_BW_40)
d48200ba 5026 continue;
b48d8916 5027 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
ee942ecc
AS		 5028 ch.bw == BRCMU_CHAN_BW_80)
5029 continue;
b48d8916
AS		 5030
5031 channel = band->channels;
5032 index = band->n_channels;
5033 for (j = 0; j < band->n_channels; j++) {
5034 if (channel[j].hw_value == ch.chnum) {
5035 index = j;
d48200ba
HM		 5036 break;
5037 }
5038 }
b48d8916
AS		 5039 channel[index].center_freq =
5040 ieee80211_channel_to_frequency(ch.chnum, band->band);
5041 channel[index].hw_value = ch.chnum;
5042
5043 /* assuming the chanspecs order is HT20,
5044 * HT40 upper, HT40 lower, and VHT80.
5045 */
5046 if (ch.bw == BRCMU_CHAN_BW_80) {
5047 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5048 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5049 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5050 } else {
5051 /* disable other bandwidths for now as mentioned
5052 * order assure they are enabled for subsequent
5053 * chanspecs.
ee942ecc 5054 */
b48d8916
AS		 5055 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5056 IEEE80211_CHAN_NO_80MHZ;
5057 ch.bw = BRCMU_CHAN_BW_20;
5058 cfg->d11inf.encchspec(&ch);
5059 chaninfo = ch.chspec;
5060 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5061 &chaninfo);
5062 if (!err) {
5063 if (chaninfo & WL_CHAN_RADAR)
5064 channel[index].flags |=
5065 (IEEE80211_CHAN_RADAR |
5066 IEEE80211_CHAN_NO_IR);
5067 if (chaninfo & WL_CHAN_PASSIVE)
5068 channel[index].flags |=
5069 IEEE80211_CHAN_NO_IR;
d48200ba 5070 }
d48200ba 5071 }
b48d8916
AS		 5072 if (index == band->n_channels)
5073 band->n_channels++;
d48200ba 5074 }
b48d8916
AS		 5075 kfree(pbuf);
5076 return 0;
5077
5078fail_band2g:
5079 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5080 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5081 wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
5082fail_pbuf:
d48200ba
HM		 5083 kfree(pbuf);
5084 return err;
5085}
5086
b48d8916 5087static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
aa70b4fa 5088{
b48d8916
AS		 5089 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5090 struct ieee80211_supported_band *band;
aa70b4fa 5091 struct brcmf_fil_bwcap_le band_bwcap;
b48d8916
AS		 5092 struct brcmf_chanspec_list *list;
5093 u8 *pbuf;
aa70b4fa
AS		 5094 u32 val;
5095 int err;
b48d8916
AS		 5096 struct brcmu_chan ch;
5097 u32 num_chan;
5098 int i, j;
aa70b4fa
AS		 5099
5100 /* verify support for bw_cap command */
5101 val = WLC_BAND_5G;
5102 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5103
5104 if (!err) {
5105 /* only set 2G bandwidth using bw_cap command */
5106 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5107 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5108 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5109 sizeof(band_bwcap));
5110 } else {
5111 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5112 val = WLC_N_BW_40ALL;
5113 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5114 }
b48d8916
AS		 5115
5116 if (!err) {
5117 /* update channel info in 2G band */
5118 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5119
5120 if (pbuf == NULL)
5121 return -ENOMEM;
5122
5123 ch.band = BRCMU_CHAN_BAND_2G;
5124 ch.bw = BRCMU_CHAN_BW_40;
5125 ch.chnum = 0;
5126 cfg->d11inf.encchspec(&ch);
5127
5128 /* pass encoded chanspec in query */
5129 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5130
5131 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5132 BRCMF_DCMD_MEDLEN);
5133 if (err) {
5134 brcmf_err("get chanspecs error (%d)\n", err);
5135 kfree(pbuf);
5136 return err;
5137 }
5138
5139 band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
5140 list = (struct brcmf_chanspec_list *)pbuf;
5141 num_chan = le32_to_cpu(list->count);
5142 for (i = 0; i < num_chan; i++) {
5143 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5144 cfg->d11inf.decchspec(&ch);
5145 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5146 continue;
5147 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5148 continue;
5149 for (j = 0; j < band->n_channels; j++) {
5150 if (band->channels[j].hw_value == ch.chnum)
5151 break;
5152 }
5153 if (WARN_ON(j == band->n_channels))
5154 continue;
5155
5156 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5157 }
5158 }
aa70b4fa
AS		 5159 return err;
5160}
5161
2375d970
AS		 5162static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5163{
5164 u32 band, mimo_bwcap;
5165 int err;
5166
5167 band = WLC_BAND_2G;
5168 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5169 if (!err) {
5170 bw_cap[IEEE80211_BAND_2GHZ] = band;
5171 band = WLC_BAND_5G;
5172 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5173 if (!err) {
5174 bw_cap[IEEE80211_BAND_5GHZ] = band;
5175 return;
5176 }
5177 WARN_ON(1);
5178 return;
5179 }
5180 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5181 mimo_bwcap = 0;
5182 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5183 if (err)
5184 /* assume 20MHz if firmware does not give a clue */
5185 mimo_bwcap = WLC_N_BW_20ALL;
5186
5187 switch (mimo_bwcap) {
5188 case WLC_N_BW_40ALL:
5189 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
5190 /* fall-thru */
5191 case WLC_N_BW_20IN2G_40IN5G:
5192 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
5193 /* fall-thru */
5194 case WLC_N_BW_20ALL:
5195 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5196 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
5197 break;
5198 default:
5199 brcmf_err("invalid mimo_bw_cap value\n");
5200 }
5201}
d48200ba 5202
18d6c535
AS		 5203static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5204 u32 bw_cap[2], u32 nchain)
5205{
5206 band->ht_cap.ht_supported = true;
5207 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5208 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5209 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5210 }
5211 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5212 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5213 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5214 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5215 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5216 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5217}
5218
5219static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
5220{
5221 u16 mcs_map;
5222 int i;
5223
5224 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
5225 mcs_map = (mcs_map << 2) | supp;
5226
5227 return cpu_to_le16(mcs_map);
5228}
5229
5230static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
5231 u32 bw_cap[2], u32 nchain)
5232{
5233 __le16 mcs_map;
5234
5235 /* not allowed in 2.4G band */
5236 if (band->band == IEEE80211_BAND_2GHZ)
5237 return;
5238
5239 band->vht_cap.vht_supported = true;
5240 /* 80MHz is mandatory */
5241 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
5242 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
5243 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
5244 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
5245 }
5246 /* all support 256-QAM */
5247 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
5248 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
5249 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
5250}
5251
b48d8916 5252static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5b435de0 5253{
b48d8916 5254 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
ac24be6f 5255 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
18d6c535
AS		 5256 u32 nmode = 0;
5257 u32 vhtmode = 0;
b48d8916 5258 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
4aca7a18
DK		 5259 u32 rxchain;
5260 u32 nchain;
b48d8916 5261 int err;
d48200ba 5262 s32 i;
2375d970 5263 struct ieee80211_supported_band *band;
5b435de0 5264
18d6c535 5265 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
d48200ba
HM		 5266 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
5267 if (err) {
5268 brcmf_err("nmode error (%d)\n", err);
5269 } else {
2375d970 5270 brcmf_get_bwcap(ifp, bw_cap);
d48200ba 5271 }
18d6c535
AS		 5272 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
5273 nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
5274 bw_cap[IEEE80211_BAND_5GHZ]);
d48200ba 5275
4aca7a18
DK		 5276 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
5277 if (err) {
5278 brcmf_err("rxchain error (%d)\n", err);
5279 nchain = 1;
5280 } else {
5281 for (nchain = 0; rxchain; nchain++)
5282 rxchain = rxchain & (rxchain - 1);
5283 }
5284 brcmf_dbg(INFO, "nchain=%d\n", nchain);
5285
b48d8916 5286 err = brcmf_construct_chaninfo(cfg, bw_cap);
d48200ba 5287 if (err) {
b48d8916 5288 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
d48200ba
HM		 5289 return err;
5290 }
5291
b48d8916
AS		 5292 wiphy = cfg_to_wiphy(cfg);
5293 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
5294 band = wiphy->bands[i];
5295 if (band == NULL)
2375d970 5296 continue;
d48200ba 5297
18d6c535
AS		 5298 if (nmode)
5299 brcmf_update_ht_cap(band, bw_cap, nchain);
5300 if (vhtmode)
5301 brcmf_update_vht_cap(band, bw_cap, nchain);
d48200ba
HM		 5302 }
5303
b48d8916 5304 return 0;
5b435de0
AS		 5305}
5306
aa70b4fa
AS		 5307static const struct ieee80211_iface_limit brcmf_iface_limits[] = {
5308 {
5309 .max = 2,
5310 .types = BIT(NL80211_IFTYPE_STATION) |
5311 BIT(NL80211_IFTYPE_ADHOC) |
5312 BIT(NL80211_IFTYPE_AP)
5313 },
5314 {
5315 .max = 1,
5316 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5317 BIT(NL80211_IFTYPE_P2P_GO)
5318 },
5319 {
5320 .max = 1,
5321 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5322 }
5323};
5324static struct ieee80211_iface_combination brcmf_iface_combos[] = {
5325 {
5326 .max_interfaces = BRCMF_IFACE_MAX_CNT,
5327 .num_different_channels = 1,
5328 .n_limits = ARRAY_SIZE(brcmf_iface_limits),
5329 .limits = brcmf_iface_limits
5330 }
5331};
5332
5333static const struct ieee80211_txrx_stypes
5334brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
5335 [NL80211_IFTYPE_STATION] = {
5336 .tx = 0xffff,
5337 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5338 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5339 },
5340 [NL80211_IFTYPE_P2P_CLIENT] = {
5341 .tx = 0xffff,
5342 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5343 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5344 },
5345 [NL80211_IFTYPE_P2P_GO] = {
5346 .tx = 0xffff,
5347 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
5348 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
5349 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
5350 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
5351 BIT(IEEE80211_STYPE_AUTH >> 4) |
5352 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
5353 BIT(IEEE80211_STYPE_ACTION >> 4)
5354 },
5355 [NL80211_IFTYPE_P2P_DEVICE] = {
5356 .tx = 0xffff,
5357 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5358 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5359 }
5360};
5361
5362static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
5363{
5364 /* scheduled scan settings */
5365 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
5366 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
5367 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5368 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
5369}
5370
b48d8916 5371static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
aa70b4fa 5372{
b48d8916 5373 struct ieee80211_iface_combination ifc_combo;
aa70b4fa
AS		 5374 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
5375 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5376 wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
5377 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
5378 BIT(NL80211_IFTYPE_ADHOC) |
5379 BIT(NL80211_IFTYPE_AP) |
5380 BIT(NL80211_IFTYPE_P2P_CLIENT) |
5381 BIT(NL80211_IFTYPE_P2P_GO) |
5382 BIT(NL80211_IFTYPE_P2P_DEVICE);
5383 /* need VSDB firmware feature for concurrent channels */
b48d8916 5384 ifc_combo = brcmf_iface_combos[0];
aa70b4fa 5385 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
b48d8916
AS		 5386 ifc_combo.num_different_channels = 2;
5387 wiphy->iface_combinations = kmemdup(&ifc_combo,
5388 sizeof(ifc_combo),
5389 GFP_KERNEL);
aa70b4fa 5390 wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
aa70b4fa
AS		 5391 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
5392 wiphy->cipher_suites = __wl_cipher_suites;
5393 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
5394 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
5395 WIPHY_FLAG_OFFCHAN_TX |
5396 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
5397 WIPHY_FLAG_SUPPORTS_TDLS;
5398 if (!brcmf_roamoff)
5399 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
5400 wiphy->mgmt_stypes = brcmf_txrx_stypes;
5401 wiphy->max_remain_on_channel_duration = 5000;
5402 brcmf_wiphy_pno_params(wiphy);
aa70b4fa
AS		 5403
5404 /* vendor commands/events support */
5405 wiphy->vendor_commands = brcmf_vendor_cmds;
5406 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
5407
b48d8916 5408 return brcmf_setup_wiphybands(wiphy);
5b435de0
AS		 5409}
5410
27a68fe3 5411static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 5412{
5413 struct net_device *ndev;
5414 struct wireless_dev *wdev;
40a23296 5415 struct brcmf_if *ifp;
5b435de0
AS		 5416 s32 power_mode;
5417 s32 err = 0;
5418
27a68fe3 5419 if (cfg->dongle_up)
5b435de0
AS		 5420 return err;
5421
27a68fe3 5422 ndev = cfg_to_ndev(cfg);
5b435de0 5423 wdev = ndev->ieee80211_ptr;
40a23296
HM		 5424 ifp = netdev_priv(ndev);
5425
5426 /* make sure RF is ready for work */
5427 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5b435de0 5428
40a23296
HM		 5429 brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
5430 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
5b435de0 5431
27a68fe3 5432 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
40a23296 5433 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5b435de0
AS		 5434 if (err)
5435 goto default_conf_out;
647c9ae0
AS		 5436 brcmf_dbg(INFO, "power save set to %s\n",
5437 (power_mode ? "enabled" : "disabled"));
5b435de0 5438
68ca395f 5439 err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
5b435de0
AS		 5440 if (err)
5441 goto default_conf_out;
5dd161ff
FL		 5442 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
5443 NULL, NULL);
40a23296 5444 if (err)
5b435de0 5445 goto default_conf_out;
5b435de0 5446
b3657453
HM		 5447 brcmf_configure_arp_offload(ifp, true);
5448
27a68fe3 5449 cfg->dongle_up = true;
40a23296 5450default_conf_out:
5b435de0
AS		 5451
5452 return err;
5453
5454}
5455
bdf5ff51 5456static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5b435de0 5457{
c1179033 5458 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5459
bdf5ff51 5460 return brcmf_config_dongle(ifp->drvr->config);
5b435de0
AS		 5461}
5462
bdf5ff51 5463static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5b435de0 5464{
bdf5ff51 5465 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
c1179033 5466
5b435de0
AS		 5467 /*
5468 * While going down, if associated with AP disassociate
5469 * from AP to save power
5470 */
903e0eee
AS		 5471 if (check_vif_up(ifp->vif)) {
5472 brcmf_link_down(ifp->vif);
5b435de0
AS		 5473
5474 /* Make sure WPA_Supplicant receives all the event
5475 generated due to DISASSOC call to the fw to keep
5476 the state fw and WPA_Supplicant state consistent
5477 */
5478 brcmf_delay(500);
5479 }
5480
27a68fe3 5481 brcmf_abort_scanning(cfg);
c1179033 5482 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 5483
5b435de0
AS		 5484 return 0;
5485}
5486
bdf5ff51 5487s32 brcmf_cfg80211_up(struct net_device *ndev)
5b435de0 5488{
bdf5ff51
AS		 5489 struct brcmf_if *ifp = netdev_priv(ndev);
5490 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5491 s32 err = 0;
5492
27a68fe3 5493 mutex_lock(&cfg->usr_sync);
bdf5ff51 5494 err = __brcmf_cfg80211_up(ifp);
27a68fe3 5495 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5496
5497 return err;
5498}
5499
bdf5ff51 5500s32 brcmf_cfg80211_down(struct net_device *ndev)
5b435de0 5501{
bdf5ff51
AS		 5502 struct brcmf_if *ifp = netdev_priv(ndev);
5503 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5b435de0
AS		 5504 s32 err = 0;
5505
27a68fe3 5506 mutex_lock(&cfg->usr_sync);
bdf5ff51 5507 err = __brcmf_cfg80211_down(ifp);
27a68fe3 5508 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 5509
5510 return err;
5511}
5512
a7965fbb
AS		 5513enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
5514{
5515 struct wireless_dev *wdev = &ifp->vif->wdev;
5516
5517 return wdev->iftype;
5518}
5519
e843bb19 5520bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, unsigned long state)
9f440b7b
AS		 5521{
5522 struct brcmf_cfg80211_vif *vif;
9f440b7b
AS		 5523
5524 list_for_each_entry(vif, &cfg->vif_list, list) {
5525 if (test_bit(state, &vif->sme_state))
e843bb19 5526 return true;
9f440b7b 5527 }
e843bb19 5528 return false;
9f440b7b 5529}
d3c0b633
AS		 5530
5531static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
5532 u8 action)
5533{
5534 u8 evt_action;
5535
5536 mutex_lock(&event->vif_event_lock);
5537 evt_action = event->action;
5538 mutex_unlock(&event->vif_event_lock);
5539 return evt_action == action;
5540}
5541
5542void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
5543 struct brcmf_cfg80211_vif *vif)
5544{
5545 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5546
5547 mutex_lock(&event->vif_event_lock);
5548 event->vif = vif;
5549 event->action = 0;
5550 mutex_unlock(&event->vif_event_lock);
5551}
5552
5553bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
5554{
5555 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5556 bool armed;
5557
5558 mutex_lock(&event->vif_event_lock);
5559 armed = event->vif != NULL;
5560 mutex_unlock(&event->vif_event_lock);
5561
5562 return armed;
5563}
5564int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
5565 u8 action, ulong timeout)
5566{
5567 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5568
5569 return wait_event_timeout(event->vif_wq,
5570 vif_event_equals(event, action), timeout);
5571}
5572
b48d8916
AS		 5573static void brcmf_free_wiphy(struct wiphy *wiphy)
5574{
5575 kfree(wiphy->iface_combinations);
5576 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
5577 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5578 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5579 }
5580 if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
5581 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
5582 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
5583 }
5584 wiphy_free(wiphy);
5585}
5586
ccfd1e81
AS		 5587struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
5588 struct device *busdev)
5589{
5590 struct net_device *ndev = drvr->iflist[0]->ndev;
5591 struct brcmf_cfg80211_info *cfg;
5592 struct wiphy *wiphy;
5593 struct brcmf_cfg80211_vif *vif;
5594 struct brcmf_if *ifp;
5595 s32 err = 0;
5596 s32 io_type;
b48d8916 5597 u16 *cap = NULL;
ccfd1e81
AS		 5598
5599 if (!ndev) {
5600 brcmf_err("ndev is invalid\n");
5601 return NULL;
5602 }
5603
5604 ifp = netdev_priv(ndev);
b48d8916
AS		 5605 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
5606 if (!wiphy) {
5607 brcmf_err("Could not allocate wiphy device\n");
ccfd1e81 5608 return NULL;
b48d8916
AS		 5609 }
5610 set_wiphy_dev(wiphy, busdev);
ccfd1e81
AS		 5611
5612 cfg = wiphy_priv(wiphy);
5613 cfg->wiphy = wiphy;
5614 cfg->pub = drvr;
5615 init_vif_event(&cfg->vif_event);
5616 INIT_LIST_HEAD(&cfg->vif_list);
5617
5618 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
b48d8916
AS		 5619 if (IS_ERR(vif))
5620 goto wiphy_out;
ccfd1e81
AS		 5621
5622 vif->ifp = ifp;
5623 vif->wdev.netdev = ndev;
5624 ndev->ieee80211_ptr = &vif->wdev;
5625 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
5626
5627 err = wl_init_priv(cfg);
5628 if (err) {
5629 brcmf_err("Failed to init iwm_priv (%d)\n", err);
b48d8916
AS		 5630 brcmf_free_vif(vif);
5631 goto wiphy_out;
ccfd1e81
AS		 5632 }
5633 ifp->vif = vif;
5634
b48d8916
AS		 5635 /* determine d11 io type before wiphy setup */
5636 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
ccfd1e81 5637 if (err) {
b48d8916
AS		 5638 brcmf_err("Failed to get D11 version (%d)\n", err);
5639 goto priv_out;
ccfd1e81 5640 }
b48d8916
AS		 5641 cfg->d11inf.io_type = (u8)io_type;
5642 brcmu_d11_attach(&cfg->d11inf);
5643
5644 err = brcmf_setup_wiphy(wiphy, ifp);
5645 if (err < 0)
5646 goto priv_out;
5647
5648 brcmf_dbg(INFO, "Registering custom regulatory\n");
5649 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
5650 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
5651
5652 /* firmware defaults to 40MHz disabled in 2G band. We signal
5653 * cfg80211 here that we do and have it decide we can enable
5654 * it. But first check if device does support 2G operation.
5655 */
5656 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
5657 cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
5658 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5659 }
5660 err = wiphy_register(wiphy);
5661 if (err < 0) {
5662 brcmf_err("Could not register wiphy device (%d)\n", err);
5663 goto priv_out;
ccfd1e81
AS		 5664 }
5665
5666 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
5667 * setup 40MHz in 2GHz band and enable OBSS scanning.
5668 */
b48d8916
AS		 5669 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
5670 err = brcmf_enable_bw40_2g(cfg);
ccfd1e81
AS		 5671 if (!err)
5672 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
5673 BRCMF_OBSS_COEX_AUTO);
b48d8916
AS		 5674 else
5675 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ccfd1e81 5676 }
ccfd1e81 5677
b48d8916 5678 err = brcmf_p2p_attach(cfg);
ccfd1e81 5679 if (err) {
b48d8916
AS		 5680 brcmf_err("P2P initilisation failed (%d)\n", err);
5681 goto wiphy_unreg_out;
5682 }
5683 err = brcmf_btcoex_attach(cfg);
5684 if (err) {
5685 brcmf_err("BT-coex initialisation failed (%d)\n", err);
5686 brcmf_p2p_detach(&cfg->p2p);
5687 goto wiphy_unreg_out;
ccfd1e81
AS		 5688 }
5689
b48d8916 5690 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
ccfd1e81 5691 if (err) {
b48d8916
AS		 5692 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
5693 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
ccfd1e81 5694 }
ccfd1e81
AS		 5695
5696 return cfg;
5697
b48d8916
AS		 5698wiphy_unreg_out:
5699 wiphy_unregister(cfg->wiphy);
5700priv_out:
ccfd1e81 5701 wl_deinit_priv(cfg);
ccfd1e81 5702 brcmf_free_vif(vif);
b48d8916
AS		 5703wiphy_out:
5704 brcmf_free_wiphy(wiphy);
ccfd1e81
AS		 5705 return NULL;
5706}
5707
5708void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
5709{
5710 if (!cfg)
5711 return;
5712
5713 WARN_ON(!list_empty(&cfg->vif_list));
5714 wiphy_unregister(cfg->wiphy);
5715 brcmf_btcoex_detach(cfg);
c3da74bb 5716 brcmf_p2p_detach(&cfg->p2p);
ccfd1e81 5717 wl_deinit_priv(cfg);
b48d8916 5718 brcmf_free_wiphy(cfg->wiphy);
ccfd1e81 5719}
Linux kernel - Deliverables
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