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brcmfmac: change parameter of brcmf_set_management_ie()
[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
02f77195
JP		 19#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20
5b435de0
AS		 21#include <linux/kernel.h>
22#include <linux/if_arp.h>
23#include <linux/sched.h>
24#include <linux/kthread.h>
25#include <linux/netdevice.h>
26#include <linux/bitops.h>
27#include <linux/etherdevice.h>
28#include <linux/ieee80211.h>
29#include <linux/uaccess.h>
30#include <net/cfg80211.h>
cbaa177d 31#include <net/netlink.h>
5b435de0
AS		 32
33#include <brcmu_utils.h>
34#include <defs.h>
35#include <brcmu_wifi.h>
36#include "dhd.h"
37#include "wl_cfg80211.h"
81f5dcb8 38#include "fwil.h"
5b435de0 39
e5806072
AS		 40#define BRCMF_SCAN_IE_LEN_MAX 2048
41#define BRCMF_PNO_VERSION 2
42#define BRCMF_PNO_TIME 30
43#define BRCMF_PNO_REPEAT 4
44#define BRCMF_PNO_FREQ_EXPO_MAX 3
45#define BRCMF_PNO_MAX_PFN_COUNT 16
46#define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
47#define BRCMF_PNO_HIDDEN_BIT 2
48#define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
49#define BRCMF_PNO_SCAN_COMPLETE 1
50#define BRCMF_PNO_SCAN_INCOMPLETE 0
51
3eacf866
AS		 52#define BRCMF_IFACE_MAX_CNT 2
53
1a873342 54#define TLV_LEN_OFF 1 /* length offset */
04012895 55#define TLV_HDR_LEN 2 /* header length */
1a873342
HM		 56#define TLV_BODY_OFF 2 /* body offset */
57#define TLV_OUI_LEN 3 /* oui id length */
58#define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
59#define WPA_OUI_TYPE 1
60#define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
61#define WME_OUI_TYPE 2
62
63#define VS_IE_FIXED_HDR_LEN 6
64#define WPA_IE_VERSION_LEN 2
65#define WPA_IE_MIN_OUI_LEN 4
66#define WPA_IE_SUITE_COUNT_LEN 2
67
68#define WPA_CIPHER_NONE 0 /* None */
69#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
70#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
71#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
72#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
73
74#define RSN_AKM_NONE 0 /* None (IBSS) */
75#define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
76#define RSN_AKM_PSK 2 /* Pre-shared Key */
77#define RSN_CAP_LEN 2 /* Length of RSN capabilities */
78#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
79
80#define VNDR_IE_CMD_LEN 4 /* length of the set command
81 * string :"add", "del" (+ NUL)
82 */
83#define VNDR_IE_COUNT_OFFSET 4
84#define VNDR_IE_PKTFLAG_OFFSET 8
85#define VNDR_IE_VSIE_OFFSET 12
86#define VNDR_IE_HDR_SIZE 12
87#define VNDR_IE_BEACON_FLAG 0x1
88#define VNDR_IE_PRBRSP_FLAG 0x2
89#define MAX_VNDR_IE_NUMBER 5
90
91#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
92#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
04012895 93
5b435de0
AS		 94#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
95 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
96
5b435de0
AS		 97static u32 brcmf_dbg_level = WL_DBG_ERR;
98
ce81e317 99static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
5b435de0 100{
c1179033
AS		 101 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
102 WL_INFO("device is not ready : status (%lu)\n",
103 vif->sme_state);
5b435de0
AS		 104 return false;
105 }
106 return true;
107}
108
109#define CHAN2G(_channel, _freq, _flags) { \
110 .band = IEEE80211_BAND_2GHZ, \
111 .center_freq = (_freq), \
112 .hw_value = (_channel), \
113 .flags = (_flags), \
114 .max_antenna_gain = 0, \
115 .max_power = 30, \
116}
117
118#define CHAN5G(_channel, _flags) { \
119 .band = IEEE80211_BAND_5GHZ, \
120 .center_freq = 5000 + (5 * (_channel)), \
121 .hw_value = (_channel), \
122 .flags = (_flags), \
123 .max_antenna_gain = 0, \
124 .max_power = 30, \
125}
126
127#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
128#define RATETAB_ENT(_rateid, _flags) \
129 { \
130 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
131 .hw_value = (_rateid), \
132 .flags = (_flags), \
133 }
134
135static struct ieee80211_rate __wl_rates[] = {
136 RATETAB_ENT(BRCM_RATE_1M, 0),
137 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
138 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
139 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
140 RATETAB_ENT(BRCM_RATE_6M, 0),
141 RATETAB_ENT(BRCM_RATE_9M, 0),
142 RATETAB_ENT(BRCM_RATE_12M, 0),
143 RATETAB_ENT(BRCM_RATE_18M, 0),
144 RATETAB_ENT(BRCM_RATE_24M, 0),
145 RATETAB_ENT(BRCM_RATE_36M, 0),
146 RATETAB_ENT(BRCM_RATE_48M, 0),
147 RATETAB_ENT(BRCM_RATE_54M, 0),
148};
149
150#define wl_a_rates (__wl_rates + 4)
151#define wl_a_rates_size 8
152#define wl_g_rates (__wl_rates + 0)
153#define wl_g_rates_size 12
154
155static struct ieee80211_channel __wl_2ghz_channels[] = {
156 CHAN2G(1, 2412, 0),
157 CHAN2G(2, 2417, 0),
158 CHAN2G(3, 2422, 0),
159 CHAN2G(4, 2427, 0),
160 CHAN2G(5, 2432, 0),
161 CHAN2G(6, 2437, 0),
162 CHAN2G(7, 2442, 0),
163 CHAN2G(8, 2447, 0),
164 CHAN2G(9, 2452, 0),
165 CHAN2G(10, 2457, 0),
166 CHAN2G(11, 2462, 0),
167 CHAN2G(12, 2467, 0),
168 CHAN2G(13, 2472, 0),
169 CHAN2G(14, 2484, 0),
170};
171
172static struct ieee80211_channel __wl_5ghz_a_channels[] = {
173 CHAN5G(34, 0), CHAN5G(36, 0),
174 CHAN5G(38, 0), CHAN5G(40, 0),
175 CHAN5G(42, 0), CHAN5G(44, 0),
176 CHAN5G(46, 0), CHAN5G(48, 0),
177 CHAN5G(52, 0), CHAN5G(56, 0),
178 CHAN5G(60, 0), CHAN5G(64, 0),
179 CHAN5G(100, 0), CHAN5G(104, 0),
180 CHAN5G(108, 0), CHAN5G(112, 0),
181 CHAN5G(116, 0), CHAN5G(120, 0),
182 CHAN5G(124, 0), CHAN5G(128, 0),
183 CHAN5G(132, 0), CHAN5G(136, 0),
184 CHAN5G(140, 0), CHAN5G(149, 0),
185 CHAN5G(153, 0), CHAN5G(157, 0),
186 CHAN5G(161, 0), CHAN5G(165, 0),
187 CHAN5G(184, 0), CHAN5G(188, 0),
188 CHAN5G(192, 0), CHAN5G(196, 0),
189 CHAN5G(200, 0), CHAN5G(204, 0),
190 CHAN5G(208, 0), CHAN5G(212, 0),
191 CHAN5G(216, 0),
192};
193
194static struct ieee80211_channel __wl_5ghz_n_channels[] = {
195 CHAN5G(32, 0), CHAN5G(34, 0),
196 CHAN5G(36, 0), CHAN5G(38, 0),
197 CHAN5G(40, 0), CHAN5G(42, 0),
198 CHAN5G(44, 0), CHAN5G(46, 0),
199 CHAN5G(48, 0), CHAN5G(50, 0),
200 CHAN5G(52, 0), CHAN5G(54, 0),
201 CHAN5G(56, 0), CHAN5G(58, 0),
202 CHAN5G(60, 0), CHAN5G(62, 0),
203 CHAN5G(64, 0), CHAN5G(66, 0),
204 CHAN5G(68, 0), CHAN5G(70, 0),
205 CHAN5G(72, 0), CHAN5G(74, 0),
206 CHAN5G(76, 0), CHAN5G(78, 0),
207 CHAN5G(80, 0), CHAN5G(82, 0),
208 CHAN5G(84, 0), CHAN5G(86, 0),
209 CHAN5G(88, 0), CHAN5G(90, 0),
210 CHAN5G(92, 0), CHAN5G(94, 0),
211 CHAN5G(96, 0), CHAN5G(98, 0),
212 CHAN5G(100, 0), CHAN5G(102, 0),
213 CHAN5G(104, 0), CHAN5G(106, 0),
214 CHAN5G(108, 0), CHAN5G(110, 0),
215 CHAN5G(112, 0), CHAN5G(114, 0),
216 CHAN5G(116, 0), CHAN5G(118, 0),
217 CHAN5G(120, 0), CHAN5G(122, 0),
218 CHAN5G(124, 0), CHAN5G(126, 0),
219 CHAN5G(128, 0), CHAN5G(130, 0),
220 CHAN5G(132, 0), CHAN5G(134, 0),
221 CHAN5G(136, 0), CHAN5G(138, 0),
222 CHAN5G(140, 0), CHAN5G(142, 0),
223 CHAN5G(144, 0), CHAN5G(145, 0),
224 CHAN5G(146, 0), CHAN5G(147, 0),
225 CHAN5G(148, 0), CHAN5G(149, 0),
226 CHAN5G(150, 0), CHAN5G(151, 0),
227 CHAN5G(152, 0), CHAN5G(153, 0),
228 CHAN5G(154, 0), CHAN5G(155, 0),
229 CHAN5G(156, 0), CHAN5G(157, 0),
230 CHAN5G(158, 0), CHAN5G(159, 0),
231 CHAN5G(160, 0), CHAN5G(161, 0),
232 CHAN5G(162, 0), CHAN5G(163, 0),
233 CHAN5G(164, 0), CHAN5G(165, 0),
234 CHAN5G(166, 0), CHAN5G(168, 0),
235 CHAN5G(170, 0), CHAN5G(172, 0),
236 CHAN5G(174, 0), CHAN5G(176, 0),
237 CHAN5G(178, 0), CHAN5G(180, 0),
238 CHAN5G(182, 0), CHAN5G(184, 0),
239 CHAN5G(186, 0), CHAN5G(188, 0),
240 CHAN5G(190, 0), CHAN5G(192, 0),
241 CHAN5G(194, 0), CHAN5G(196, 0),
242 CHAN5G(198, 0), CHAN5G(200, 0),
243 CHAN5G(202, 0), CHAN5G(204, 0),
244 CHAN5G(206, 0), CHAN5G(208, 0),
245 CHAN5G(210, 0), CHAN5G(212, 0),
246 CHAN5G(214, 0), CHAN5G(216, 0),
247 CHAN5G(218, 0), CHAN5G(220, 0),
248 CHAN5G(222, 0), CHAN5G(224, 0),
249 CHAN5G(226, 0), CHAN5G(228, 0),
250};
251
252static struct ieee80211_supported_band __wl_band_2ghz = {
253 .band = IEEE80211_BAND_2GHZ,
254 .channels = __wl_2ghz_channels,
255 .n_channels = ARRAY_SIZE(__wl_2ghz_channels),
256 .bitrates = wl_g_rates,
257 .n_bitrates = wl_g_rates_size,
258};
259
260static struct ieee80211_supported_band __wl_band_5ghz_a = {
261 .band = IEEE80211_BAND_5GHZ,
262 .channels = __wl_5ghz_a_channels,
263 .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels),
264 .bitrates = wl_a_rates,
265 .n_bitrates = wl_a_rates_size,
266};
267
268static struct ieee80211_supported_band __wl_band_5ghz_n = {
269 .band = IEEE80211_BAND_5GHZ,
270 .channels = __wl_5ghz_n_channels,
271 .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels),
272 .bitrates = wl_a_rates,
273 .n_bitrates = wl_a_rates_size,
274};
275
276static const u32 __wl_cipher_suites[] = {
277 WLAN_CIPHER_SUITE_WEP40,
278 WLAN_CIPHER_SUITE_WEP104,
279 WLAN_CIPHER_SUITE_TKIP,
280 WLAN_CIPHER_SUITE_CCMP,
281 WLAN_CIPHER_SUITE_AES_CMAC,
282};
283
f8e4b412
AB		 284/* tag_ID/length/value_buffer tuple */
285struct brcmf_tlv {
286 u8 id;
287 u8 len;
288 u8 data[1];
289};
290
1a873342
HM		 291/* Vendor specific ie. id = 221, oui and type defines exact ie */
292struct brcmf_vs_tlv {
293 u8 id;
294 u8 len;
295 u8 oui[3];
296 u8 oui_type;
297};
298
299struct parsed_vndr_ie_info {
300 u8 *ie_ptr;
301 u32 ie_len; /* total length including id & length field */
302 struct brcmf_vs_tlv vndrie;
303};
304
305struct parsed_vndr_ies {
306 u32 count;
307 struct parsed_vndr_ie_info ie_info[MAX_VNDR_IE_NUMBER];
308};
309
ef6ac17a
AB		 310/* Quarter dBm units to mW
311 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
312 * Table is offset so the last entry is largest mW value that fits in
313 * a u16.
314 */
315
316#define QDBM_OFFSET 153 /* Offset for first entry */
317#define QDBM_TABLE_LEN 40 /* Table size */
318
319/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
320 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
321 */
322#define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
323
324/* Largest mW value that will round down to the last table entry,
325 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
326 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
327 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
328 */
329#define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
330
331static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
332/* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
333/* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
334/* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
335/* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
336/* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
337/* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
338};
339
340static u16 brcmf_qdbm_to_mw(u8 qdbm)
341{
342 uint factor = 1;
343 int idx = qdbm - QDBM_OFFSET;
344
345 if (idx >= QDBM_TABLE_LEN)
346 /* clamp to max u16 mW value */
347 return 0xFFFF;
348
349 /* scale the qdBm index up to the range of the table 0-40
350 * where an offset of 40 qdBm equals a factor of 10 mW.
351 */
352 while (idx < 0) {
353 idx += 40;
354 factor *= 10;
355 }
356
357 /* return the mW value scaled down to the correct factor of 10,
358 * adding in factor/2 to get proper rounding.
359 */
360 return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
361}
362
363static u8 brcmf_mw_to_qdbm(u16 mw)
364{
365 u8 qdbm;
366 int offset;
367 uint mw_uint = mw;
368 uint boundary;
369
370 /* handle boundary case */
371 if (mw_uint <= 1)
372 return 0;
373
374 offset = QDBM_OFFSET;
375
376 /* move mw into the range of the table */
377 while (mw_uint < QDBM_TABLE_LOW_BOUND) {
378 mw_uint *= 10;
379 offset -= 40;
380 }
381
382 for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
383 boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
384 nqdBm_to_mW_map[qdbm]) / 2;
385 if (mw_uint < boundary)
386 break;
387 }
388
389 qdbm += (u8) offset;
390
391 return qdbm;
392}
393
6e186166
AS		 394static u16 channel_to_chanspec(struct ieee80211_channel *ch)
395{
396 u16 chanspec;
397
398 chanspec = ieee80211_frequency_to_channel(ch->center_freq);
399 chanspec &= WL_CHANSPEC_CHAN_MASK;
400
401 if (ch->band == IEEE80211_BAND_2GHZ)
402 chanspec |= WL_CHANSPEC_BAND_2G;
403 else
404 chanspec |= WL_CHANSPEC_BAND_5G;
405
406 if (ch->flags & IEEE80211_CHAN_NO_HT40) {
407 chanspec |= WL_CHANSPEC_BW_20;
408 chanspec |= WL_CHANSPEC_CTL_SB_NONE;
409 } else {
410 chanspec |= WL_CHANSPEC_BW_40;
411 if (ch->flags & IEEE80211_CHAN_NO_HT40PLUS)
412 chanspec |= WL_CHANSPEC_CTL_SB_LOWER;
413 else
414 chanspec |= WL_CHANSPEC_CTL_SB_UPPER;
415 }
416 return chanspec;
417}
418
5b435de0
AS		 419static void convert_key_from_CPU(struct brcmf_wsec_key *key,
420 struct brcmf_wsec_key_le *key_le)
421{
422 key_le->index = cpu_to_le32(key->index);
423 key_le->len = cpu_to_le32(key->len);
424 key_le->algo = cpu_to_le32(key->algo);
425 key_le->flags = cpu_to_le32(key->flags);
426 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
427 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
428 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
429 memcpy(key_le->data, key->data, sizeof(key->data));
430 memcpy(key_le->ea, key->ea, sizeof(key->ea));
431}
432
f09d0c02 433static int
2eaba7e8 434send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key)
5b435de0
AS		 435{
436 int err;
437 struct brcmf_wsec_key_le key_le;
438
439 convert_key_from_CPU(key, &key_le);
f09d0c02 440
81f5dcb8
HM		 441 brcmf_netdev_wait_pend8021x(ndev);
442
ac24be6f 443 err = brcmf_fil_bsscfg_data_set(netdev_priv(ndev), "wsec_key", &key_le,
81f5dcb8 444 sizeof(key_le));
f09d0c02 445
5b435de0 446 if (err)
f09d0c02 447 WL_ERR("wsec_key error (%d)\n", err);
5b435de0
AS		 448 return err;
449}
450
451static s32
452brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
453 enum nl80211_iftype type, u32 *flags,
454 struct vif_params *params)
455{
c1179033 456 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 457 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
5b435de0 458 s32 infra = 0;
1a873342 459 s32 ap = 0;
5b435de0
AS		 460 s32 err = 0;
461
1a873342 462 WL_TRACE("Enter, ndev=%p, type=%d\n", ndev, type);
5b435de0
AS		 463
464 switch (type) {
465 case NL80211_IFTYPE_MONITOR:
466 case NL80211_IFTYPE_WDS:
467 WL_ERR("type (%d) : currently we do not support this type\n",
468 type);
469 return -EOPNOTSUPP;
470 case NL80211_IFTYPE_ADHOC:
27a68fe3 471 cfg->conf->mode = WL_MODE_IBSS;
5b435de0
AS		 472 infra = 0;
473 break;
474 case NL80211_IFTYPE_STATION:
27a68fe3 475 cfg->conf->mode = WL_MODE_BSS;
5b435de0
AS		 476 infra = 1;
477 break;
1a873342 478 case NL80211_IFTYPE_AP:
27a68fe3 479 cfg->conf->mode = WL_MODE_AP;
1a873342
HM		 480 ap = 1;
481 break;
5b435de0
AS		 482 default:
483 err = -EINVAL;
484 goto done;
485 }
486
1a873342 487 if (ap) {
c1179033 488 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
1a873342 489 WL_INFO("IF Type = AP\n");
5b435de0 490 } else {
ac24be6f
AS		 491 err = brcmf_fil_cmd_int_set(netdev_priv(ndev),
492 BRCMF_C_SET_INFRA, infra);
1a873342
HM		 493 if (err) {
494 WL_ERR("WLC_SET_INFRA error (%d)\n", err);
495 err = -EAGAIN;
496 goto done;
497 }
498 WL_INFO("IF Type = %s\n",
27a68fe3 499 (cfg->conf->mode == WL_MODE_IBSS) ?
1a873342 500 "Adhoc" : "Infra");
5b435de0 501 }
1a873342 502 ndev->ieee80211_ptr->iftype = type;
5b435de0
AS		 503
504done:
505 WL_TRACE("Exit\n");
506
507 return err;
508}
509
5b435de0
AS		 510static void brcmf_set_mpc(struct net_device *ndev, int mpc)
511{
c1179033 512 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 513 s32 err = 0;
5b435de0 514
ce81e317 515 if (check_vif_up(ifp->vif)) {
c1179033 516 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
5b435de0
AS		 517 if (err) {
518 WL_ERR("fail to set mpc\n");
519 return;
520 }
521 WL_INFO("MPC : %d\n", mpc);
522 }
523}
524
e756af5b
HM		 525static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le,
526 struct cfg80211_scan_request *request)
527{
528 u32 n_ssids;
529 u32 n_channels;
530 s32 i;
531 s32 offset;
029591f3 532 u16 chanspec;
e756af5b 533 char *ptr;
029591f3 534 struct brcmf_ssid_le ssid_le;
e756af5b 535
ba40d166 536 memset(params_le->bssid, 0xFF, ETH_ALEN);
e756af5b
HM		 537 params_le->bss_type = DOT11_BSSTYPE_ANY;
538 params_le->scan_type = 0;
539 params_le->channel_num = 0;
540 params_le->nprobes = cpu_to_le32(-1);
541 params_le->active_time = cpu_to_le32(-1);
542 params_le->passive_time = cpu_to_le32(-1);
543 params_le->home_time = cpu_to_le32(-1);
544 memset(&params_le->ssid_le, 0, sizeof(params_le->ssid_le));
545
546 /* if request is null exit so it will be all channel broadcast scan */
547 if (!request)
548 return;
549
550 n_ssids = request->n_ssids;
551 n_channels = request->n_channels;
552 /* Copy channel array if applicable */
553 WL_SCAN("### List of channelspecs to scan ### %d\n", n_channels);
554 if (n_channels > 0) {
555 for (i = 0; i < n_channels; i++) {
6e186166 556 chanspec = channel_to_chanspec(request->channels[i]);
e756af5b 557 WL_SCAN("Chan : %d, Channel spec: %x\n",
6e186166 558 request->channels[i]->hw_value, chanspec);
029591f3 559 params_le->channel_list[i] = cpu_to_le16(chanspec);
e756af5b
HM		 560 }
561 } else {
562 WL_SCAN("Scanning all channels\n");
563 }
564 /* Copy ssid array if applicable */
565 WL_SCAN("### List of SSIDs to scan ### %d\n", n_ssids);
566 if (n_ssids > 0) {
567 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
568 n_channels * sizeof(u16);
569 offset = roundup(offset, sizeof(u32));
570 ptr = (char *)params_le + offset;
571 for (i = 0; i < n_ssids; i++) {
029591f3
AS		 572 memset(&ssid_le, 0, sizeof(ssid_le));
573 ssid_le.SSID_len =
574 cpu_to_le32(request->ssids[i].ssid_len);
575 memcpy(ssid_le.SSID, request->ssids[i].ssid,
576 request->ssids[i].ssid_len);
577 if (!ssid_le.SSID_len)
e756af5b
HM		 578 WL_SCAN("%d: Broadcast scan\n", i);
579 else
580 WL_SCAN("%d: scan for %s size =%d\n", i,
029591f3
AS		 581 ssid_le.SSID, ssid_le.SSID_len);
582 memcpy(ptr, &ssid_le, sizeof(ssid_le));
583 ptr += sizeof(ssid_le);
e756af5b
HM		 584 }
585 } else {
586 WL_SCAN("Broadcast scan %p\n", request->ssids);
587 if ((request->ssids) && request->ssids->ssid_len) {
588 WL_SCAN("SSID %s len=%d\n", params_le->ssid_le.SSID,
589 request->ssids->ssid_len);
590 params_le->ssid_le.SSID_len =
591 cpu_to_le32(request->ssids->ssid_len);
592 memcpy(&params_le->ssid_le.SSID, request->ssids->ssid,
593 request->ssids->ssid_len);
594 }
595 }
596 /* Adding mask to channel numbers */
597 params_le->channel_num =
598 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
599 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
600}
601
602static s32
27a68fe3 603brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
e756af5b
HM		 604 struct net_device *ndev,
605 bool aborted, bool fw_abort)
606{
607 struct brcmf_scan_params_le params_le;
608 struct cfg80211_scan_request *scan_request;
609 s32 err = 0;
610
611 WL_SCAN("Enter\n");
612
613 /* clear scan request, because the FW abort can cause a second call */
614 /* to this functon and might cause a double cfg80211_scan_done */
27a68fe3
AS		 615 scan_request = cfg->scan_request;
616 cfg->scan_request = NULL;
e756af5b 617
27a68fe3
AS		 618 if (timer_pending(&cfg->escan_timeout))
619 del_timer_sync(&cfg->escan_timeout);
e756af5b
HM		 620
621 if (fw_abort) {
622 /* Do a scan abort to stop the driver's scan engine */
623 WL_SCAN("ABORT scan in firmware\n");
624 memset(&params_le, 0, sizeof(params_le));
ba40d166 625 memset(params_le.bssid, 0xFF, ETH_ALEN);
e756af5b
HM		 626 params_le.bss_type = DOT11_BSSTYPE_ANY;
627 params_le.scan_type = 0;
628 params_le.channel_num = cpu_to_le32(1);
629 params_le.nprobes = cpu_to_le32(1);
630 params_le.active_time = cpu_to_le32(-1);
631 params_le.passive_time = cpu_to_le32(-1);
632 params_le.home_time = cpu_to_le32(-1);
633 /* Scan is aborted by setting channel_list[0] to -1 */
634 params_le.channel_list[0] = cpu_to_le16(-1);
635 /* E-Scan (or anyother type) can be aborted by SCAN */
ac24be6f
AS		 636 err = brcmf_fil_cmd_data_set(netdev_priv(ndev), BRCMF_C_SCAN,
637 &params_le, sizeof(params_le));
e756af5b
HM		 638 if (err)
639 WL_ERR("Scan abort failed\n");
640 }
e5806072
AS		 641 /*
642 * e-scan can be initiated by scheduled scan
643 * which takes precedence.
644 */
27a68fe3 645 if (cfg->sched_escan) {
e5806072 646 WL_SCAN("scheduled scan completed\n");
27a68fe3 647 cfg->sched_escan = false;
e5806072 648 if (!aborted)
27a68fe3 649 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
e5806072
AS		 650 brcmf_set_mpc(ndev, 1);
651 } else if (scan_request) {
e756af5b
HM		 652 WL_SCAN("ESCAN Completed scan: %s\n",
653 aborted ? "Aborted" : "Done");
654 cfg80211_scan_done(scan_request, aborted);
655 brcmf_set_mpc(ndev, 1);
656 }
c1179033 657 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
e756af5b
HM		 658 WL_ERR("Scan complete while device not scanning\n");
659 return -EPERM;
660 }
661
662 return err;
663}
664
665static s32
27a68fe3 666brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev,
e756af5b
HM		 667 struct cfg80211_scan_request *request, u16 action)
668{
669 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
670 offsetof(struct brcmf_escan_params_le, params_le);
671 struct brcmf_escan_params_le *params;
672 s32 err = 0;
673
674 WL_SCAN("E-SCAN START\n");
675
676 if (request != NULL) {
677 /* Allocate space for populating ssids in struct */
678 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
679
680 /* Allocate space for populating ssids in struct */
681 params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
682 }
683
684 params = kzalloc(params_size, GFP_KERNEL);
685 if (!params) {
686 err = -ENOMEM;
687 goto exit;
688 }
689 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
690 brcmf_escan_prep(&params->params_le, request);
691 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
692 params->action = cpu_to_le16(action);
693 params->sync_id = cpu_to_le16(0x1234);
694
ac24be6f
AS		 695 err = brcmf_fil_iovar_data_set(netdev_priv(ndev), "escan",
696 params, params_size);
e756af5b
HM		 697 if (err) {
698 if (err == -EBUSY)
699 WL_INFO("system busy : escan canceled\n");
700 else
701 WL_ERR("error (%d)\n", err);
702 }
703
704 kfree(params);
705exit:
706 return err;
707}
708
709static s32
27a68fe3 710brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
e756af5b
HM		 711 struct net_device *ndev, struct cfg80211_scan_request *request)
712{
713 s32 err;
81f5dcb8 714 u32 passive_scan;
e756af5b
HM		 715 struct brcmf_scan_results *results;
716
717 WL_SCAN("Enter\n");
27a68fe3
AS		 718 cfg->escan_info.ndev = ndev;
719 cfg->escan_info.wiphy = wiphy;
720 cfg->escan_info.escan_state = WL_ESCAN_STATE_SCANNING;
81f5dcb8 721 passive_scan = cfg->active_scan ? 0 : 1;
ac24be6f 722 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 723 passive_scan);
e756af5b
HM		 724 if (err) {
725 WL_ERR("error (%d)\n", err);
726 return err;
727 }
728 brcmf_set_mpc(ndev, 0);
27a68fe3 729 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
e756af5b
HM		 730 results->version = 0;
731 results->count = 0;
732 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
733
27a68fe3 734 err = brcmf_run_escan(cfg, ndev, request, WL_ESCAN_ACTION_START);
e756af5b
HM		 735 if (err)
736 brcmf_set_mpc(ndev, 1);
737 return err;
738}
739
740static s32
741brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
742 struct cfg80211_scan_request *request,
743 struct cfg80211_ssid *this_ssid)
744{
c1179033 745 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 746 struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev);
e756af5b 747 struct cfg80211_ssid *ssids;
f0799895 748 struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
81f5dcb8 749 u32 passive_scan;
e756af5b
HM		 750 bool escan_req;
751 bool spec_scan;
752 s32 err;
753 u32 SSID_len;
754
755 WL_SCAN("START ESCAN\n");
756
c1179033
AS		 757 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
758 WL_ERR("Scanning already: status (%lu)\n", cfg->scan_status);
e756af5b
HM		 759 return -EAGAIN;
760 }
c1179033
AS		 761 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
762 WL_ERR("Scanning being aborted: status (%lu)\n",
763 cfg->scan_status);
e756af5b
HM		 764 return -EAGAIN;
765 }
c1179033
AS		 766 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
767 WL_ERR("Connecting: status (%lu)\n", ifp->vif->sme_state);
e756af5b
HM		 768 return -EAGAIN;
769 }
770
771 /* Arm scan timeout timer */
27a68fe3 772 mod_timer(&cfg->escan_timeout, jiffies +
e756af5b
HM		 773 WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
774
775 escan_req = false;
776 if (request) {
777 /* scan bss */
778 ssids = request->ssids;
779 escan_req = true;
780 } else {
781 /* scan in ibss */
782 /* we don't do escan in ibss */
783 ssids = this_ssid;
784 }
785
27a68fe3 786 cfg->scan_request = request;
c1179033 787 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e756af5b 788 if (escan_req) {
27a68fe3 789 err = brcmf_do_escan(cfg, wiphy, ndev, request);
2cb941c0 790 if (err)
e756af5b
HM		 791 goto scan_out;
792 } else {
793 WL_SCAN("ssid \"%s\", ssid_len (%d)\n",
794 ssids->ssid, ssids->ssid_len);
795 memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
796 SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
797 sr->ssid_le.SSID_len = cpu_to_le32(0);
798 spec_scan = false;
799 if (SSID_len) {
800 memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
801 sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
802 spec_scan = true;
803 } else
804 WL_SCAN("Broadcast scan\n");
805
81f5dcb8 806 passive_scan = cfg->active_scan ? 0 : 1;
c1179033 807 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
81f5dcb8 808 passive_scan);
e756af5b
HM		 809 if (err) {
810 WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
811 goto scan_out;
812 }
813 brcmf_set_mpc(ndev, 0);
c1179033 814 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
ac24be6f 815 &sr->ssid_le, sizeof(sr->ssid_le));
e756af5b
HM		 816 if (err) {
817 if (err == -EBUSY)
818 WL_INFO("BUSY: scan for \"%s\" canceled\n",
819 sr->ssid_le.SSID);
820 else
821 WL_ERR("WLC_SCAN error (%d)\n", err);
822
823 brcmf_set_mpc(ndev, 1);
824 goto scan_out;
825 }
826 }
827
828 return 0;
829
830scan_out:
c1179033 831 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
27a68fe3
AS		 832 if (timer_pending(&cfg->escan_timeout))
833 del_timer_sync(&cfg->escan_timeout);
834 cfg->scan_request = NULL;
e756af5b
HM		 835 return err;
836}
837
5b435de0 838static s32
0abb5f21 839brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
5b435de0 840{
fd014284 841 struct net_device *ndev = request->wdev->netdev;
5b435de0
AS		 842 s32 err = 0;
843
844 WL_TRACE("Enter\n");
845
ce81e317 846 if (!check_vif_up(container_of(request->wdev,
0abb5f21 847 struct brcmf_cfg80211_vif, wdev)))
5b435de0
AS		 848 return -EIO;
849
f0799895 850 err = brcmf_cfg80211_escan(wiphy, ndev, request, NULL);
e756af5b 851
5b435de0
AS		 852 if (err)
853 WL_ERR("scan error (%d)\n", err);
854
855 WL_TRACE("Exit\n");
856 return err;
857}
858
859static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
860{
861 s32 err = 0;
862
ac24be6f
AS		 863 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
864 rts_threshold);
5b435de0
AS		 865 if (err)
866 WL_ERR("Error (%d)\n", err);
867
868 return err;
869}
870
871static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
872{
873 s32 err = 0;
874
ac24be6f
AS		 875 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
876 frag_threshold);
5b435de0
AS		 877 if (err)
878 WL_ERR("Error (%d)\n", err);
879
880 return err;
881}
882
883static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
884{
885 s32 err = 0;
886 u32 cmd = (l ? BRCM_SET_LRL : BRCM_SET_SRL);
887
ac24be6f 888 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
5b435de0
AS		 889 if (err) {
890 WL_ERR("cmd (%d) , error (%d)\n", cmd, err);
891 return err;
892 }
893 return err;
894}
895
896static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
897{
27a68fe3
AS		 898 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
899 struct net_device *ndev = cfg_to_ndev(cfg);
0abb5f21 900 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 901 s32 err = 0;
902
903 WL_TRACE("Enter\n");
ce81e317 904 if (!check_vif_up(ifp->vif))
5b435de0
AS		 905 return -EIO;
906
907 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
27a68fe3
AS		 908 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
909 cfg->conf->rts_threshold = wiphy->rts_threshold;
910 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
5b435de0
AS		 911 if (!err)
912 goto done;
913 }
914 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
27a68fe3
AS		 915 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
916 cfg->conf->frag_threshold = wiphy->frag_threshold;
917 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
5b435de0
AS		 918 if (!err)
919 goto done;
920 }
921 if (changed & WIPHY_PARAM_RETRY_LONG
27a68fe3
AS		 922 && (cfg->conf->retry_long != wiphy->retry_long)) {
923 cfg->conf->retry_long = wiphy->retry_long;
924 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
5b435de0
AS		 925 if (!err)
926 goto done;
927 }
928 if (changed & WIPHY_PARAM_RETRY_SHORT
27a68fe3
AS		 929 && (cfg->conf->retry_short != wiphy->retry_short)) {
930 cfg->conf->retry_short = wiphy->retry_short;
931 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
5b435de0
AS		 932 if (!err)
933 goto done;
934 }
935
936done:
937 WL_TRACE("Exit\n");
938 return err;
939}
940
5b435de0
AS		 941static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
942{
943 memset(prof, 0, sizeof(*prof));
944}
945
946static void brcmf_ch_to_chanspec(int ch, struct brcmf_join_params *join_params,
947 size_t *join_params_size)
948{
949 u16 chanspec = 0;
950
951 if (ch != 0) {
952 if (ch <= CH_MAX_2G_CHANNEL)
953 chanspec |= WL_CHANSPEC_BAND_2G;
954 else
955 chanspec |= WL_CHANSPEC_BAND_5G;
956
957 chanspec |= WL_CHANSPEC_BW_20;
958 chanspec |= WL_CHANSPEC_CTL_SB_NONE;
959
960 *join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE +
961 sizeof(u16);
962
963 chanspec |= (ch & WL_CHANSPEC_CHAN_MASK);
964 join_params->params_le.chanspec_list[0] = cpu_to_le16(chanspec);
965 join_params->params_le.chanspec_num = cpu_to_le32(1);
966
967 WL_CONN("join_params->params.chanspec_list[0]= %#X,"
968 "channel %d, chanspec %#X\n",
969 chanspec, ch, chanspec);
970 }
971}
972
27a68fe3 973static void brcmf_link_down(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 974{
975 struct net_device *ndev = NULL;
976 s32 err = 0;
977
978 WL_TRACE("Enter\n");
979
27a68fe3
AS		 980 if (cfg->link_up) {
981 ndev = cfg_to_ndev(cfg);
5b435de0 982 WL_INFO("Call WLC_DISASSOC to stop excess roaming\n ");
ac24be6f
AS		 983 err = brcmf_fil_cmd_data_set(netdev_priv(ndev),
984 BRCMF_C_DISASSOC, NULL, 0);
5b435de0
AS		 985 if (err)
986 WL_ERR("WLC_DISASSOC failed (%d)\n", err);
27a68fe3 987 cfg->link_up = false;
5b435de0
AS		 988 }
989 WL_TRACE("Exit\n");
990}
991
992static s32
993brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
994 struct cfg80211_ibss_params *params)
995{
27a68fe3 996 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 997 struct brcmf_if *ifp = netdev_priv(ndev);
998 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 999 struct brcmf_join_params join_params;
1000 size_t join_params_size = 0;
1001 s32 err = 0;
1002 s32 wsec = 0;
1003 s32 bcnprd;
5b435de0
AS		 1004
1005 WL_TRACE("Enter\n");
ce81e317 1006 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1007 return -EIO;
1008
1009 if (params->ssid)
1010 WL_CONN("SSID: %s\n", params->ssid);
1011 else {
1012 WL_CONN("SSID: NULL, Not supported\n");
1013 return -EOPNOTSUPP;
1014 }
1015
c1179033 1016 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1017
1018 if (params->bssid)
040a7831 1019 WL_CONN("BSSID: %pM\n", params->bssid);
5b435de0
AS		 1020 else
1021 WL_CONN("No BSSID specified\n");
1022
1023 if (params->channel)
1024 WL_CONN("channel: %d\n", params->channel->center_freq);
1025 else
1026 WL_CONN("no channel specified\n");
1027
1028 if (params->channel_fixed)
1029 WL_CONN("fixed channel required\n");
1030 else
1031 WL_CONN("no fixed channel required\n");
1032
1033 if (params->ie && params->ie_len)
1034 WL_CONN("ie len: %d\n", params->ie_len);
1035 else
1036 WL_CONN("no ie specified\n");
1037
1038 if (params->beacon_interval)
1039 WL_CONN("beacon interval: %d\n", params->beacon_interval);
1040 else
1041 WL_CONN("no beacon interval specified\n");
1042
1043 if (params->basic_rates)
1044 WL_CONN("basic rates: %08X\n", params->basic_rates);
1045 else
1046 WL_CONN("no basic rates specified\n");
1047
1048 if (params->privacy)
1049 WL_CONN("privacy required\n");
1050 else
1051 WL_CONN("no privacy required\n");
1052
1053 /* Configure Privacy for starter */
1054 if (params->privacy)
1055 wsec |= WEP_ENABLED;
1056
c1179033 1057 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
5b435de0
AS		 1058 if (err) {
1059 WL_ERR("wsec failed (%d)\n", err);
1060 goto done;
1061 }
1062
1063 /* Configure Beacon Interval for starter */
1064 if (params->beacon_interval)
1065 bcnprd = params->beacon_interval;
1066 else
1067 bcnprd = 100;
1068
c1179033 1069 err = brcmf_fil_cmd_int_set(ifp, BRCM_SET_BCNPRD, bcnprd);
5b435de0
AS		 1070 if (err) {
1071 WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err);
1072 goto done;
1073 }
1074
1075 /* Configure required join parameter */
1076 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1077
1078 /* SSID */
6c8c4f72
AS		 1079 profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
1080 memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
1081 memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
1082 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1083 join_params_size = sizeof(join_params.ssid_le);
5b435de0
AS		 1084
1085 /* BSSID */
1086 if (params->bssid) {
1087 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1088 join_params_size = sizeof(join_params.ssid_le) +
1089 BRCMF_ASSOC_PARAMS_FIXED_SIZE;
6c8c4f72 1090 memcpy(profile->bssid, params->bssid, ETH_ALEN);
5b435de0 1091 } else {
ba40d166 1092 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
6c8c4f72 1093 memset(profile->bssid, 0, ETH_ALEN);
5b435de0
AS		 1094 }
1095
5b435de0
AS		 1096 /* Channel */
1097 if (params->channel) {
1098 u32 target_channel;
1099
27a68fe3 1100 cfg->channel =
5b435de0
AS		 1101 ieee80211_frequency_to_channel(
1102 params->channel->center_freq);
1103 if (params->channel_fixed) {
1104 /* adding chanspec */
27a68fe3 1105 brcmf_ch_to_chanspec(cfg->channel,
5b435de0
AS		 1106 &join_params, &join_params_size);
1107 }
1108
1109 /* set channel for starter */
27a68fe3 1110 target_channel = cfg->channel;
c1179033 1111 err = brcmf_fil_cmd_int_set(ifp, BRCM_SET_CHANNEL,
81f5dcb8 1112 target_channel);
5b435de0
AS		 1113 if (err) {
1114 WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err);
1115 goto done;
1116 }
1117 } else
27a68fe3 1118 cfg->channel = 0;
5b435de0 1119
27a68fe3 1120 cfg->ibss_starter = false;
5b435de0
AS		 1121
1122
c1179033 1123 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1124 &join_params, join_params_size);
5b435de0
AS		 1125 if (err) {
1126 WL_ERR("WLC_SET_SSID failed (%d)\n", err);
1127 goto done;
1128 }
1129
1130done:
1131 if (err)
c1179033 1132 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1133 WL_TRACE("Exit\n");
1134 return err;
1135}
1136
1137static s32
1138brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1139{
27a68fe3 1140 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 1141 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1142 s32 err = 0;
1143
1144 WL_TRACE("Enter\n");
ce81e317 1145 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1146 return -EIO;
1147
27a68fe3 1148 brcmf_link_down(cfg);
5b435de0
AS		 1149
1150 WL_TRACE("Exit\n");
1151
1152 return err;
1153}
1154
1155static s32 brcmf_set_wpa_version(struct net_device *ndev,
1156 struct cfg80211_connect_params *sme)
1157{
6ac4f4ed 1158 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1159 struct brcmf_cfg80211_security *sec;
1160 s32 val = 0;
1161 s32 err = 0;
1162
1163 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1164 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1165 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1166 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1167 else
1168 val = WPA_AUTH_DISABLED;
1169 WL_CONN("setting wpa_auth to 0x%0x\n", val);
ac24be6f 1170 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "wpa_auth", val);
5b435de0
AS		 1171 if (err) {
1172 WL_ERR("set wpa_auth failed (%d)\n", err);
1173 return err;
1174 }
06bb123e 1175 sec = &profile->sec;
5b435de0
AS		 1176 sec->wpa_versions = sme->crypto.wpa_versions;
1177 return err;
1178}
1179
1180static s32 brcmf_set_auth_type(struct net_device *ndev,
1181 struct cfg80211_connect_params *sme)
1182{
6ac4f4ed 1183 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1184 struct brcmf_cfg80211_security *sec;
1185 s32 val = 0;
1186 s32 err = 0;
1187
1188 switch (sme->auth_type) {
1189 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1190 val = 0;
1191 WL_CONN("open system\n");
1192 break;
1193 case NL80211_AUTHTYPE_SHARED_KEY:
1194 val = 1;
1195 WL_CONN("shared key\n");
1196 break;
1197 case NL80211_AUTHTYPE_AUTOMATIC:
1198 val = 2;
1199 WL_CONN("automatic\n");
1200 break;
1201 case NL80211_AUTHTYPE_NETWORK_EAP:
1202 WL_CONN("network eap\n");
1203 default:
1204 val = 2;
1205 WL_ERR("invalid auth type (%d)\n", sme->auth_type);
1206 break;
1207 }
1208
ac24be6f 1209 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "auth", val);
5b435de0
AS		 1210 if (err) {
1211 WL_ERR("set auth failed (%d)\n", err);
1212 return err;
1213 }
06bb123e 1214 sec = &profile->sec;
5b435de0
AS		 1215 sec->auth_type = sme->auth_type;
1216 return err;
1217}
1218
1219static s32
1220brcmf_set_set_cipher(struct net_device *ndev,
1221 struct cfg80211_connect_params *sme)
1222{
6ac4f4ed 1223 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1224 struct brcmf_cfg80211_security *sec;
1225 s32 pval = 0;
1226 s32 gval = 0;
1227 s32 err = 0;
1228
1229 if (sme->crypto.n_ciphers_pairwise) {
1230 switch (sme->crypto.ciphers_pairwise[0]) {
1231 case WLAN_CIPHER_SUITE_WEP40:
1232 case WLAN_CIPHER_SUITE_WEP104:
1233 pval = WEP_ENABLED;
1234 break;
1235 case WLAN_CIPHER_SUITE_TKIP:
1236 pval = TKIP_ENABLED;
1237 break;
1238 case WLAN_CIPHER_SUITE_CCMP:
1239 pval = AES_ENABLED;
1240 break;
1241 case WLAN_CIPHER_SUITE_AES_CMAC:
1242 pval = AES_ENABLED;
1243 break;
1244 default:
1245 WL_ERR("invalid cipher pairwise (%d)\n",
1246 sme->crypto.ciphers_pairwise[0]);
1247 return -EINVAL;
1248 }
1249 }
1250 if (sme->crypto.cipher_group) {
1251 switch (sme->crypto.cipher_group) {
1252 case WLAN_CIPHER_SUITE_WEP40:
1253 case WLAN_CIPHER_SUITE_WEP104:
1254 gval = WEP_ENABLED;
1255 break;
1256 case WLAN_CIPHER_SUITE_TKIP:
1257 gval = TKIP_ENABLED;
1258 break;
1259 case WLAN_CIPHER_SUITE_CCMP:
1260 gval = AES_ENABLED;
1261 break;
1262 case WLAN_CIPHER_SUITE_AES_CMAC:
1263 gval = AES_ENABLED;
1264 break;
1265 default:
1266 WL_ERR("invalid cipher group (%d)\n",
1267 sme->crypto.cipher_group);
1268 return -EINVAL;
1269 }
1270 }
1271
1272 WL_CONN("pval (%d) gval (%d)\n", pval, gval);
ac24be6f 1273 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "wsec", pval | gval);
5b435de0
AS		 1274 if (err) {
1275 WL_ERR("error (%d)\n", err);
1276 return err;
1277 }
1278
06bb123e 1279 sec = &profile->sec;
5b435de0
AS		 1280 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1281 sec->cipher_group = sme->crypto.cipher_group;
1282
1283 return err;
1284}
1285
1286static s32
1287brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1288{
6ac4f4ed 1289 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1290 struct brcmf_cfg80211_security *sec;
1291 s32 val = 0;
1292 s32 err = 0;
1293
1294 if (sme->crypto.n_akm_suites) {
ac24be6f
AS		 1295 err = brcmf_fil_iovar_int_get(netdev_priv(ndev),
1296 "wpa_auth", &val);
5b435de0
AS		 1297 if (err) {
1298 WL_ERR("could not get wpa_auth (%d)\n", err);
1299 return err;
1300 }
1301 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1302 switch (sme->crypto.akm_suites[0]) {
1303 case WLAN_AKM_SUITE_8021X:
1304 val = WPA_AUTH_UNSPECIFIED;
1305 break;
1306 case WLAN_AKM_SUITE_PSK:
1307 val = WPA_AUTH_PSK;
1308 break;
1309 default:
1310 WL_ERR("invalid cipher group (%d)\n",
1311 sme->crypto.cipher_group);
1312 return -EINVAL;
1313 }
1314 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1315 switch (sme->crypto.akm_suites[0]) {
1316 case WLAN_AKM_SUITE_8021X:
1317 val = WPA2_AUTH_UNSPECIFIED;
1318 break;
1319 case WLAN_AKM_SUITE_PSK:
1320 val = WPA2_AUTH_PSK;
1321 break;
1322 default:
1323 WL_ERR("invalid cipher group (%d)\n",
1324 sme->crypto.cipher_group);
1325 return -EINVAL;
1326 }
1327 }
1328
1329 WL_CONN("setting wpa_auth to %d\n", val);
ac24be6f
AS		 1330 err = brcmf_fil_iovar_int_set(netdev_priv(ndev),
1331 "wpa_auth", val);
5b435de0
AS		 1332 if (err) {
1333 WL_ERR("could not set wpa_auth (%d)\n", err);
1334 return err;
1335 }
1336 }
06bb123e 1337 sec = &profile->sec;
5b435de0
AS		 1338 sec->wpa_auth = sme->crypto.akm_suites[0];
1339
1340 return err;
1341}
1342
1343static s32
f09d0c02
HM		 1344brcmf_set_sharedkey(struct net_device *ndev,
1345 struct cfg80211_connect_params *sme)
5b435de0 1346{
6ac4f4ed 1347 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
5b435de0
AS		 1348 struct brcmf_cfg80211_security *sec;
1349 struct brcmf_wsec_key key;
1350 s32 val;
1351 s32 err = 0;
1352
1353 WL_CONN("key len (%d)\n", sme->key_len);
5b435de0 1354
a718e2fe
RV		 1355 if (sme->key_len == 0)
1356 return 0;
1357
06bb123e 1358 sec = &profile->sec;
a718e2fe
RV		 1359 WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n",
1360 sec->wpa_versions, sec->cipher_pairwise);
1361
1362 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1363 return 0;
1364
f09d0c02
HM		 1365 if (!(sec->cipher_pairwise &
1366 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1367 return 0;
a718e2fe 1368
f09d0c02
HM		 1369 memset(&key, 0, sizeof(key));
1370 key.len = (u32) sme->key_len;
1371 key.index = (u32) sme->key_idx;
1372 if (key.len > sizeof(key.data)) {
1373 WL_ERR("Too long key length (%u)\n", key.len);
1374 return -EINVAL;
1375 }
1376 memcpy(key.data, sme->key, key.len);
1377 key.flags = BRCMF_PRIMARY_KEY;
1378 switch (sec->cipher_pairwise) {
1379 case WLAN_CIPHER_SUITE_WEP40:
1380 key.algo = CRYPTO_ALGO_WEP1;
1381 break;
1382 case WLAN_CIPHER_SUITE_WEP104:
1383 key.algo = CRYPTO_ALGO_WEP128;
1384 break;
1385 default:
1386 WL_ERR("Invalid algorithm (%d)\n",
1387 sme->crypto.ciphers_pairwise[0]);
1388 return -EINVAL;
1389 }
1390 /* Set the new key/index */
1391 WL_CONN("key length (%d) key index (%d) algo (%d)\n",
1392 key.len, key.index, key.algo);
1393 WL_CONN("key \"%s\"\n", key.data);
2eaba7e8 1394 err = send_key_to_dongle(ndev, &key);
f09d0c02
HM		 1395 if (err)
1396 return err;
1397
1398 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
1399 WL_CONN("set auth_type to shared key\n");
1400 val = WL_AUTH_SHARED_KEY; /* shared key */
ac24be6f 1401 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
f09d0c02
HM		 1402 if (err)
1403 WL_ERR("set auth failed (%d)\n", err);
5b435de0
AS		 1404 }
1405 return err;
1406}
1407
1408static s32
1409brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
1410 struct cfg80211_connect_params *sme)
1411{
27a68fe3 1412 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1413 struct brcmf_if *ifp = netdev_priv(ndev);
1414 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1415 struct ieee80211_channel *chan = sme->channel;
1416 struct brcmf_join_params join_params;
1417 size_t join_params_size;
1418 struct brcmf_ssid ssid;
1419
1420 s32 err = 0;
1421
1422 WL_TRACE("Enter\n");
ce81e317 1423 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1424 return -EIO;
1425
1426 if (!sme->ssid) {
1427 WL_ERR("Invalid ssid\n");
1428 return -EOPNOTSUPP;
1429 }
1430
c1179033 1431 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1432
1433 if (chan) {
27a68fe3 1434 cfg->channel =
5b435de0
AS		 1435 ieee80211_frequency_to_channel(chan->center_freq);
1436 WL_CONN("channel (%d), center_req (%d)\n",
27a68fe3 1437 cfg->channel, chan->center_freq);
5b435de0 1438 } else
27a68fe3 1439 cfg->channel = 0;
5b435de0
AS		 1440
1441 WL_INFO("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
1442
1443 err = brcmf_set_wpa_version(ndev, sme);
1444 if (err) {
1445 WL_ERR("wl_set_wpa_version failed (%d)\n", err);
1446 goto done;
1447 }
1448
1449 err = brcmf_set_auth_type(ndev, sme);
1450 if (err) {
1451 WL_ERR("wl_set_auth_type failed (%d)\n", err);
1452 goto done;
1453 }
1454
1455 err = brcmf_set_set_cipher(ndev, sme);
1456 if (err) {
1457 WL_ERR("wl_set_set_cipher failed (%d)\n", err);
1458 goto done;
1459 }
1460
1461 err = brcmf_set_key_mgmt(ndev, sme);
1462 if (err) {
1463 WL_ERR("wl_set_key_mgmt failed (%d)\n", err);
1464 goto done;
1465 }
1466
f09d0c02 1467 err = brcmf_set_sharedkey(ndev, sme);
5b435de0 1468 if (err) {
f09d0c02 1469 WL_ERR("brcmf_set_sharedkey failed (%d)\n", err);
5b435de0
AS		 1470 goto done;
1471 }
1472
1473 memset(&join_params, 0, sizeof(join_params));
1474 join_params_size = sizeof(join_params.ssid_le);
1475
6c8c4f72
AS		 1476 profile->ssid.SSID_len = min_t(u32,
1477 sizeof(ssid.SSID), (u32)sme->ssid_len);
1478 memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
1479 memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
1480 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
5b435de0 1481
ba40d166 1482 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
5b435de0
AS		 1483
1484 if (ssid.SSID_len < IEEE80211_MAX_SSID_LEN)
1485 WL_CONN("ssid \"%s\", len (%d)\n",
1486 ssid.SSID, ssid.SSID_len);
1487
27a68fe3 1488 brcmf_ch_to_chanspec(cfg->channel,
5b435de0 1489 &join_params, &join_params_size);
c1179033 1490 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
81f5dcb8 1491 &join_params, join_params_size);
5b435de0
AS		 1492 if (err)
1493 WL_ERR("WLC_SET_SSID failed (%d)\n", err);
1494
1495done:
1496 if (err)
c1179033 1497 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
5b435de0
AS		 1498 WL_TRACE("Exit\n");
1499 return err;
1500}
1501
1502static s32
1503brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1504 u16 reason_code)
1505{
27a68fe3 1506 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1507 struct brcmf_if *ifp = netdev_priv(ndev);
1508 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1509 struct brcmf_scb_val_le scbval;
1510 s32 err = 0;
1511
1512 WL_TRACE("Enter. Reason code = %d\n", reason_code);
ce81e317 1513 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1514 return -EIO;
1515
c1179033 1516 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
5b435de0 1517
06bb123e 1518 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
5b435de0 1519 scbval.val = cpu_to_le32(reason_code);
c1179033 1520 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
ac24be6f 1521 &scbval, sizeof(scbval));
5b435de0
AS		 1522 if (err)
1523 WL_ERR("error (%d)\n", err);
1524
27a68fe3 1525 cfg->link_up = false;
5b435de0
AS		 1526
1527 WL_TRACE("Exit\n");
1528 return err;
1529}
1530
1531static s32
1532brcmf_cfg80211_set_tx_power(struct wiphy *wiphy,
d3f31134 1533 enum nl80211_tx_power_setting type, s32 mbm)
5b435de0
AS		 1534{
1535
27a68fe3 1536 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1537 struct net_device *ndev = cfg_to_ndev(cfg);
1538 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1539 u16 txpwrmw;
1540 s32 err = 0;
1541 s32 disable = 0;
d3f31134 1542 s32 dbm = MBM_TO_DBM(mbm);
5b435de0
AS		 1543
1544 WL_TRACE("Enter\n");
ce81e317 1545 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1546 return -EIO;
1547
1548 switch (type) {
1549 case NL80211_TX_POWER_AUTOMATIC:
1550 break;
1551 case NL80211_TX_POWER_LIMITED:
5b435de0
AS		 1552 case NL80211_TX_POWER_FIXED:
1553 if (dbm < 0) {
1554 WL_ERR("TX_POWER_FIXED - dbm is negative\n");
1555 err = -EINVAL;
1556 goto done;
1557 }
1558 break;
1559 }
1560 /* Make sure radio is off or on as far as software is concerned */
1561 disable = WL_RADIO_SW_DISABLE << 16;
ac24be6f 1562 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
5b435de0
AS		 1563 if (err)
1564 WL_ERR("WLC_SET_RADIO error (%d)\n", err);
1565
1566 if (dbm > 0xffff)
1567 txpwrmw = 0xffff;
1568 else
1569 txpwrmw = (u16) dbm;
ac24be6f
AS		 1570 err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
1571 (s32)brcmf_mw_to_qdbm(txpwrmw));
5b435de0
AS		 1572 if (err)
1573 WL_ERR("qtxpower error (%d)\n", err);
27a68fe3 1574 cfg->conf->tx_power = dbm;
5b435de0
AS		 1575
1576done:
1577 WL_TRACE("Exit\n");
1578 return err;
1579}
1580
1581static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm)
1582{
27a68fe3 1583 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 1584 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5b435de0
AS		 1585 s32 txpwrdbm;
1586 u8 result;
1587 s32 err = 0;
1588
1589 WL_TRACE("Enter\n");
ce81e317 1590 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1591 return -EIO;
1592
0abb5f21 1593 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
5b435de0
AS		 1594 if (err) {
1595 WL_ERR("error (%d)\n", err);
1596 goto done;
1597 }
1598
1599 result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
ef6ac17a 1600 *dbm = (s32) brcmf_qdbm_to_mw(result);
5b435de0
AS		 1601
1602done:
1603 WL_TRACE("Exit\n");
1604 return err;
1605}
1606
1607static s32
1608brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
1609 u8 key_idx, bool unicast, bool multicast)
1610{
0abb5f21 1611 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1612 u32 index;
1613 u32 wsec;
1614 s32 err = 0;
1615
1616 WL_TRACE("Enter\n");
1617 WL_CONN("key index (%d)\n", key_idx);
ce81e317 1618 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1619 return -EIO;
1620
0abb5f21 1621 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0
AS		 1622 if (err) {
1623 WL_ERR("WLC_GET_WSEC error (%d)\n", err);
1624 goto done;
1625 }
1626
1627 if (wsec & WEP_ENABLED) {
1628 /* Just select a new current key */
1629 index = key_idx;
0abb5f21 1630 err = brcmf_fil_cmd_int_set(ifp,
ac24be6f 1631 BRCMF_C_SET_KEY_PRIMARY, index);
5b435de0
AS		 1632 if (err)
1633 WL_ERR("error (%d)\n", err);
1634 }
1635done:
1636 WL_TRACE("Exit\n");
1637 return err;
1638}
1639
1640static s32
1641brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
1642 u8 key_idx, const u8 *mac_addr, struct key_params *params)
1643{
1644 struct brcmf_wsec_key key;
5b435de0
AS		 1645 s32 err = 0;
1646
1647 memset(&key, 0, sizeof(key));
1648 key.index = (u32) key_idx;
1649 /* Instead of bcast for ea address for default wep keys,
1650 driver needs it to be Null */
1651 if (!is_multicast_ether_addr(mac_addr))
1652 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
1653 key.len = (u32) params->key_len;
1654 /* check for key index change */
1655 if (key.len == 0) {
1656 /* key delete */
2eaba7e8 1657 err = send_key_to_dongle(ndev, &key);
5b435de0 1658 if (err)
f09d0c02 1659 WL_ERR("key delete error (%d)\n", err);
5b435de0
AS		 1660 } else {
1661 if (key.len > sizeof(key.data)) {
1662 WL_ERR("Invalid key length (%d)\n", key.len);
1663 return -EINVAL;
1664 }
1665
1666 WL_CONN("Setting the key index %d\n", key.index);
1667 memcpy(key.data, params->key, key.len);
1668
1669 if (params->cipher == WLAN_CIPHER_SUITE_TKIP) {
1670 u8 keybuf[8];
1671 memcpy(keybuf, &key.data[24], sizeof(keybuf));
1672 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
1673 memcpy(&key.data[16], keybuf, sizeof(keybuf));
1674 }
1675
1676 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
1677 if (params->seq && params->seq_len == 6) {
1678 /* rx iv */
1679 u8 *ivptr;
1680 ivptr = (u8 *) params->seq;
1681 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
1682 (ivptr[3] << 8) | ivptr[2];
1683 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
1684 key.iv_initialized = true;
1685 }
1686
1687 switch (params->cipher) {
1688 case WLAN_CIPHER_SUITE_WEP40:
1689 key.algo = CRYPTO_ALGO_WEP1;
1690 WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
1691 break;
1692 case WLAN_CIPHER_SUITE_WEP104:
1693 key.algo = CRYPTO_ALGO_WEP128;
1694 WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
1695 break;
1696 case WLAN_CIPHER_SUITE_TKIP:
1697 key.algo = CRYPTO_ALGO_TKIP;
1698 WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
1699 break;
1700 case WLAN_CIPHER_SUITE_AES_CMAC:
1701 key.algo = CRYPTO_ALGO_AES_CCM;
1702 WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
1703 break;
1704 case WLAN_CIPHER_SUITE_CCMP:
1705 key.algo = CRYPTO_ALGO_AES_CCM;
1706 WL_CONN("WLAN_CIPHER_SUITE_CCMP\n");
1707 break;
1708 default:
1709 WL_ERR("Invalid cipher (0x%x)\n", params->cipher);
1710 return -EINVAL;
1711 }
2eaba7e8 1712 err = send_key_to_dongle(ndev, &key);
f09d0c02
HM		 1713 if (err)
1714 WL_ERR("wsec_key error (%d)\n", err);
5b435de0
AS		 1715 }
1716 return err;
1717}
1718
1719static s32
1720brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1721 u8 key_idx, bool pairwise, const u8 *mac_addr,
1722 struct key_params *params)
1723{
27a68fe3 1724 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 1725 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1726 struct brcmf_wsec_key key;
1727 s32 val;
1728 s32 wsec;
1729 s32 err = 0;
1730 u8 keybuf[8];
1731
1732 WL_TRACE("Enter\n");
1733 WL_CONN("key index (%d)\n", key_idx);
ce81e317 1734 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1735 return -EIO;
1736
1737 if (mac_addr) {
1738 WL_TRACE("Exit");
1739 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
1740 }
1741 memset(&key, 0, sizeof(key));
1742
1743 key.len = (u32) params->key_len;
1744 key.index = (u32) key_idx;
1745
1746 if (key.len > sizeof(key.data)) {
1747 WL_ERR("Too long key length (%u)\n", key.len);
1748 err = -EINVAL;
1749 goto done;
1750 }
1751 memcpy(key.data, params->key, key.len);
1752
1753 key.flags = BRCMF_PRIMARY_KEY;
1754 switch (params->cipher) {
1755 case WLAN_CIPHER_SUITE_WEP40:
1756 key.algo = CRYPTO_ALGO_WEP1;
f09d0c02 1757 val = WEP_ENABLED;
5b435de0
AS		 1758 WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
1759 break;
1760 case WLAN_CIPHER_SUITE_WEP104:
1761 key.algo = CRYPTO_ALGO_WEP128;
f09d0c02 1762 val = WEP_ENABLED;
5b435de0
AS		 1763 WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
1764 break;
1765 case WLAN_CIPHER_SUITE_TKIP:
27a68fe3 1766 if (cfg->conf->mode != WL_MODE_AP) {
1a873342
HM		 1767 WL_CONN("Swapping key\n");
1768 memcpy(keybuf, &key.data[24], sizeof(keybuf));
1769 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
1770 memcpy(&key.data[16], keybuf, sizeof(keybuf));
1771 }
5b435de0 1772 key.algo = CRYPTO_ALGO_TKIP;
f09d0c02 1773 val = TKIP_ENABLED;
5b435de0
AS		 1774 WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
1775 break;
1776 case WLAN_CIPHER_SUITE_AES_CMAC:
1777 key.algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 1778 val = AES_ENABLED;
5b435de0
AS		 1779 WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
1780 break;
1781 case WLAN_CIPHER_SUITE_CCMP:
1782 key.algo = CRYPTO_ALGO_AES_CCM;
f09d0c02 1783 val = AES_ENABLED;
5b435de0
AS		 1784 WL_CONN("WLAN_CIPHER_SUITE_CCMP\n");
1785 break;
1786 default:
1787 WL_ERR("Invalid cipher (0x%x)\n", params->cipher);
1788 err = -EINVAL;
1789 goto done;
1790 }
1791
2eaba7e8 1792 err = send_key_to_dongle(ndev, &key);
5b435de0
AS		 1793 if (err)
1794 goto done;
1795
0abb5f21 1796 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0
AS		 1797 if (err) {
1798 WL_ERR("get wsec error (%d)\n", err);
1799 goto done;
1800 }
5b435de0 1801 wsec |= val;
0abb5f21 1802 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
5b435de0
AS		 1803 if (err) {
1804 WL_ERR("set wsec error (%d)\n", err);
1805 goto done;
1806 }
1807
5b435de0
AS		 1808done:
1809 WL_TRACE("Exit\n");
1810 return err;
1811}
1812
1813static s32
1814brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1815 u8 key_idx, bool pairwise, const u8 *mac_addr)
1816{
0abb5f21 1817 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1818 struct brcmf_wsec_key key;
1819 s32 err = 0;
5b435de0
AS		 1820
1821 WL_TRACE("Enter\n");
ce81e317 1822 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1823 return -EIO;
1824
1825 memset(&key, 0, sizeof(key));
1826
1827 key.index = (u32) key_idx;
1828 key.flags = BRCMF_PRIMARY_KEY;
1829 key.algo = CRYPTO_ALGO_OFF;
1830
1831 WL_CONN("key index (%d)\n", key_idx);
1832
1833 /* Set the new key/index */
2eaba7e8 1834 err = send_key_to_dongle(ndev, &key);
5b435de0
AS		 1835 if (err) {
1836 if (err == -EINVAL) {
1837 if (key.index >= DOT11_MAX_DEFAULT_KEYS)
1838 /* we ignore this key index in this case */
1839 WL_ERR("invalid key index (%d)\n", key_idx);
1840 }
1841 /* Ignore this error, may happen during DISASSOC */
1842 err = -EAGAIN;
5b435de0
AS		 1843 }
1844
5b435de0
AS		 1845 WL_TRACE("Exit\n");
1846 return err;
1847}
1848
1849static s32
1850brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1851 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
1852 void (*callback) (void *cookie, struct key_params * params))
1853{
1854 struct key_params params;
0abb5f21
AS		 1855 struct brcmf_if *ifp = netdev_priv(ndev);
1856 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1857 struct brcmf_cfg80211_security *sec;
1858 s32 wsec;
1859 s32 err = 0;
1860
1861 WL_TRACE("Enter\n");
1862 WL_CONN("key index (%d)\n", key_idx);
ce81e317 1863 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1864 return -EIO;
1865
1866 memset(&params, 0, sizeof(params));
1867
0abb5f21 1868 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
5b435de0
AS		 1869 if (err) {
1870 WL_ERR("WLC_GET_WSEC error (%d)\n", err);
1871 /* Ignore this error, may happen during DISASSOC */
1872 err = -EAGAIN;
1873 goto done;
1874 }
f09d0c02 1875 switch (wsec & ~SES_OW_ENABLED) {
5b435de0 1876 case WEP_ENABLED:
06bb123e 1877 sec = &profile->sec;
5b435de0
AS		 1878 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
1879 params.cipher = WLAN_CIPHER_SUITE_WEP40;
1880 WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
1881 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
1882 params.cipher = WLAN_CIPHER_SUITE_WEP104;
1883 WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
1884 }
1885 break;
1886 case TKIP_ENABLED:
1887 params.cipher = WLAN_CIPHER_SUITE_TKIP;
1888 WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
1889 break;
1890 case AES_ENABLED:
1891 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
1892 WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
1893 break;
1894 default:
1895 WL_ERR("Invalid algo (0x%x)\n", wsec);
1896 err = -EINVAL;
1897 goto done;
1898 }
1899 callback(cookie, &params);
1900
1901done:
1902 WL_TRACE("Exit\n");
1903 return err;
1904}
1905
1906static s32
1907brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
1908 struct net_device *ndev, u8 key_idx)
1909{
1910 WL_INFO("Not supported\n");
1911
1912 return -EOPNOTSUPP;
1913}
1914
1915static s32
1916brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
1a873342 1917 u8 *mac, struct station_info *sinfo)
5b435de0 1918{
27a68fe3 1919 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21
AS		 1920 struct brcmf_if *ifp = netdev_priv(ndev);
1921 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 1922 struct brcmf_scb_val_le scb_val;
1923 int rssi;
1924 s32 rate;
1925 s32 err = 0;
06bb123e 1926 u8 *bssid = profile->bssid;
81f5dcb8 1927 struct brcmf_sta_info_le sta_info_le;
5b435de0 1928
1a873342 1929 WL_TRACE("Enter, MAC %pM\n", mac);
ce81e317 1930 if (!check_vif_up(ifp->vif))
5b435de0
AS		 1931 return -EIO;
1932
27a68fe3 1933 if (cfg->conf->mode == WL_MODE_AP) {
81f5dcb8 1934 memcpy(&sta_info_le, mac, ETH_ALEN);
0abb5f21 1935 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
ac24be6f 1936 &sta_info_le,
81f5dcb8 1937 sizeof(sta_info_le));
1a873342
HM		 1938 if (err < 0) {
1939 WL_ERR("GET STA INFO failed, %d\n", err);
1940 goto done;
1941 }
1a873342 1942 sinfo->filled = STATION_INFO_INACTIVE_TIME;
81f5dcb8
HM		 1943 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
1944 if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
1a873342 1945 sinfo->filled |= STATION_INFO_CONNECTED_TIME;
81f5dcb8 1946 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
1a873342
HM		 1947 }
1948 WL_TRACE("STA idle time : %d ms, connected time :%d sec\n",
1949 sinfo->inactive_time, sinfo->connected_time);
27a68fe3 1950 } else if (cfg->conf->mode == WL_MODE_BSS) {
1a873342
HM		 1951 if (memcmp(mac, bssid, ETH_ALEN)) {
1952 WL_ERR("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
1953 mac, bssid);
1954 err = -ENOENT;
1955 goto done;
1956 }
1957 /* Report the current tx rate */
0abb5f21 1958 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
7f6c562d 1959 if (err) {
1a873342
HM		 1960 WL_ERR("Could not get rate (%d)\n", err);
1961 goto done;
7f6c562d 1962 } else {
1a873342
HM		 1963 sinfo->filled |= STATION_INFO_TX_BITRATE;
1964 sinfo->txrate.legacy = rate * 5;
1965 WL_CONN("Rate %d Mbps\n", rate / 2);
7f6c562d 1966 }
5b435de0 1967
c1179033
AS		 1968 if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
1969 &ifp->vif->sme_state)) {
1a873342 1970 memset(&scb_val, 0, sizeof(scb_val));
c1179033
AS		 1971 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
1972 &scb_val, sizeof(scb_val));
1a873342
HM		 1973 if (err) {
1974 WL_ERR("Could not get rssi (%d)\n", err);
1975 goto done;
1976 } else {
1977 rssi = le32_to_cpu(scb_val.val);
1978 sinfo->filled |= STATION_INFO_SIGNAL;
1979 sinfo->signal = rssi;
1980 WL_CONN("RSSI %d dBm\n", rssi);
1981 }
1982 }
1983 } else
1984 err = -EPERM;
5b435de0
AS		 1985done:
1986 WL_TRACE("Exit\n");
1987 return err;
1988}
1989
1990static s32
1991brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
1992 bool enabled, s32 timeout)
1993{
1994 s32 pm;
1995 s32 err = 0;
27a68fe3 1996 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
c1179033 1997 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 1998
1999 WL_TRACE("Enter\n");
2000
2001 /*
2002 * Powersave enable/disable request is coming from the
2003 * cfg80211 even before the interface is up. In that
2004 * scenario, driver will be storing the power save
27a68fe3 2005 * preference in cfg struct to apply this to
5b435de0
AS		 2006 * FW later while initializing the dongle
2007 */
27a68fe3 2008 cfg->pwr_save = enabled;
ce81e317 2009 if (!check_vif_up(ifp->vif)) {
5b435de0 2010
27a68fe3 2011 WL_INFO("Device is not ready, storing the value in cfg_info struct\n");
5b435de0
AS		 2012 goto done;
2013 }
2014
2015 pm = enabled ? PM_FAST : PM_OFF;
2016 WL_INFO("power save %s\n", (pm ? "enabled" : "disabled"));
2017
c1179033 2018 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
5b435de0
AS		 2019 if (err) {
2020 if (err == -ENODEV)
2021 WL_ERR("net_device is not ready yet\n");
2022 else
2023 WL_ERR("error (%d)\n", err);
2024 }
2025done:
2026 WL_TRACE("Exit\n");
2027 return err;
2028}
2029
2030static s32
2031brcmf_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *ndev,
2032 const u8 *addr,
2033 const struct cfg80211_bitrate_mask *mask)
2034{
0abb5f21 2035 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2036 struct brcm_rateset_le rateset_le;
2037 s32 rate;
2038 s32 val;
2039 s32 err_bg;
2040 s32 err_a;
2041 u32 legacy;
2042 s32 err = 0;
2043
2044 WL_TRACE("Enter\n");
ce81e317 2045 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2046 return -EIO;
2047
2048 /* addr param is always NULL. ignore it */
2049 /* Get current rateset */
0abb5f21 2050 err = brcmf_fil_cmd_data_get(ifp, BRCM_GET_CURR_RATESET,
ac24be6f 2051 &rateset_le, sizeof(rateset_le));
5b435de0
AS		 2052 if (err) {
2053 WL_ERR("could not get current rateset (%d)\n", err);
2054 goto done;
2055 }
2056
2057 legacy = ffs(mask->control[IEEE80211_BAND_2GHZ].legacy & 0xFFFF);
2058 if (!legacy)
2059 legacy = ffs(mask->control[IEEE80211_BAND_5GHZ].legacy &
2060 0xFFFF);
2061
2062 val = wl_g_rates[legacy - 1].bitrate * 100000;
2063
2064 if (val < le32_to_cpu(rateset_le.count))
2065 /* Select rate by rateset index */
2066 rate = rateset_le.rates[val] & 0x7f;
2067 else
2068 /* Specified rate in bps */
2069 rate = val / 500000;
2070
2071 WL_CONN("rate %d mbps\n", rate / 2);
2072
2073 /*
2074 *
2075 * Set rate override,
2076 * Since the is a/b/g-blind, both a/bg_rate are enforced.
2077 */
0abb5f21
AS		 2078 err_bg = brcmf_fil_iovar_int_set(ifp, "bg_rate", rate);
2079 err_a = brcmf_fil_iovar_int_set(ifp, "a_rate", rate);
5b435de0
AS		 2080 if (err_bg && err_a) {
2081 WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg, err_a);
2082 err = err_bg | err_a;
2083 }
2084
2085done:
2086 WL_TRACE("Exit\n");
2087 return err;
2088}
2089
27a68fe3 2090static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
d34bf64f 2091 struct brcmf_bss_info_le *bi)
5b435de0 2092{
27a68fe3 2093 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0
AS		 2094 struct ieee80211_channel *notify_channel;
2095 struct cfg80211_bss *bss;
2096 struct ieee80211_supported_band *band;
2097 s32 err = 0;
2098 u16 channel;
2099 u32 freq;
5b435de0
AS		 2100 u16 notify_capability;
2101 u16 notify_interval;
2102 u8 *notify_ie;
2103 size_t notify_ielen;
2104 s32 notify_signal;
2105
2106 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
2107 WL_ERR("Bss info is larger than buffer. Discarding\n");
2108 return 0;
2109 }
2110
2111 channel = bi->ctl_ch ? bi->ctl_ch :
2112 CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec));
2113
2114 if (channel <= CH_MAX_2G_CHANNEL)
2115 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2116 else
2117 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2118
2119 freq = ieee80211_channel_to_frequency(channel, band->band);
2120 notify_channel = ieee80211_get_channel(wiphy, freq);
2121
5b435de0
AS		 2122 notify_capability = le16_to_cpu(bi->capability);
2123 notify_interval = le16_to_cpu(bi->beacon_period);
2124 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2125 notify_ielen = le32_to_cpu(bi->ie_length);
2126 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2127
2128 WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
2129 bi->BSSID[0], bi->BSSID[1], bi->BSSID[2],
2130 bi->BSSID[3], bi->BSSID[4], bi->BSSID[5]);
2131 WL_CONN("Channel: %d(%d)\n", channel, freq);
2132 WL_CONN("Capability: %X\n", notify_capability);
2133 WL_CONN("Beacon interval: %d\n", notify_interval);
2134 WL_CONN("Signal: %d\n", notify_signal);
5b435de0
AS		 2135
2136 bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID,
8e6cffb3 2137 0, notify_capability, notify_interval, notify_ie,
5b435de0
AS		 2138 notify_ielen, notify_signal, GFP_KERNEL);
2139
e78946e1
FL		 2140 if (!bss)
2141 return -ENOMEM;
2142
2143 cfg80211_put_bss(bss);
5b435de0
AS		 2144
2145 return err;
2146}
2147
6f09be0a
RV		 2148static struct brcmf_bss_info_le *
2149next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2150{
2151 if (bss == NULL)
2152 return list->bss_info_le;
2153 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2154 le32_to_cpu(bss->length));
2155}
2156
27a68fe3 2157static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 2158{
2159 struct brcmf_scan_results *bss_list;
d34bf64f 2160 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
5b435de0
AS		 2161 s32 err = 0;
2162 int i;
2163
27a68fe3 2164 bss_list = cfg->bss_list;
0ecd8164
AS		 2165 if (bss_list->count != 0 &&
2166 bss_list->version != BRCMF_BSS_INFO_VERSION) {
5b435de0
AS		 2167 WL_ERR("Version %d != WL_BSS_INFO_VERSION\n",
2168 bss_list->version);
2169 return -EOPNOTSUPP;
2170 }
2171 WL_SCAN("scanned AP count (%d)\n", bss_list->count);
f0799895 2172 for (i = 0; i < bss_list->count; i++) {
6f09be0a 2173 bi = next_bss_le(bss_list, bi);
27a68fe3 2174 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2175 if (err)
2176 break;
2177 }
2178 return err;
2179}
2180
27a68fe3 2181static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 2182 struct net_device *ndev, const u8 *bssid)
2183{
27a68fe3 2184 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5b435de0 2185 struct ieee80211_channel *notify_channel;
d34bf64f 2186 struct brcmf_bss_info_le *bi = NULL;
5b435de0 2187 struct ieee80211_supported_band *band;
e78946e1 2188 struct cfg80211_bss *bss;
5b435de0
AS		 2189 u8 *buf = NULL;
2190 s32 err = 0;
2191 u16 channel;
2192 u32 freq;
5b435de0
AS		 2193 u16 notify_capability;
2194 u16 notify_interval;
2195 u8 *notify_ie;
2196 size_t notify_ielen;
2197 s32 notify_signal;
2198
2199 WL_TRACE("Enter\n");
2200
2201 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2202 if (buf == NULL) {
2203 err = -ENOMEM;
2204 goto CleanUp;
2205 }
2206
2207 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2208
ac24be6f
AS		 2209 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2210 buf, WL_BSS_INFO_MAX);
5b435de0
AS		 2211 if (err) {
2212 WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err);
2213 goto CleanUp;
2214 }
2215
d34bf64f 2216 bi = (struct brcmf_bss_info_le *)(buf + 4);
5b435de0
AS		 2217
2218 channel = bi->ctl_ch ? bi->ctl_ch :
2219 CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec));
2220
2221 if (channel <= CH_MAX_2G_CHANNEL)
2222 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2223 else
2224 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2225
2226 freq = ieee80211_channel_to_frequency(channel, band->band);
2227 notify_channel = ieee80211_get_channel(wiphy, freq);
2228
5b435de0
AS		 2229 notify_capability = le16_to_cpu(bi->capability);
2230 notify_interval = le16_to_cpu(bi->beacon_period);
2231 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2232 notify_ielen = le32_to_cpu(bi->ie_length);
2233 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2234
2235 WL_CONN("channel: %d(%d)\n", channel, freq);
2236 WL_CONN("capability: %X\n", notify_capability);
2237 WL_CONN("beacon interval: %d\n", notify_interval);
2238 WL_CONN("signal: %d\n", notify_signal);
5b435de0 2239
e78946e1 2240 bss = cfg80211_inform_bss(wiphy, notify_channel, bssid,
8e6cffb3 2241 0, notify_capability, notify_interval,
5b435de0
AS		 2242 notify_ie, notify_ielen, notify_signal, GFP_KERNEL);
2243
e78946e1
FL		 2244 if (!bss) {
2245 err = -ENOMEM;
2246 goto CleanUp;
2247 }
2248
2249 cfg80211_put_bss(bss);
2250
5b435de0
AS		 2251CleanUp:
2252
2253 kfree(buf);
2254
2255 WL_TRACE("Exit\n");
2256
2257 return err;
2258}
2259
27a68fe3 2260static bool brcmf_is_ibssmode(struct brcmf_cfg80211_info *cfg)
5b435de0 2261{
27a68fe3 2262 return cfg->conf->mode == WL_MODE_IBSS;
5b435de0
AS		 2263}
2264
f8e4b412
AB		 2265/*
2266 * Traverse a string of 1-byte tag/1-byte length/variable-length value
2267 * triples, returning a pointer to the substring whose first element
2268 * matches tag
2269 */
2270static struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key)
2271{
2272 struct brcmf_tlv *elt;
2273 int totlen;
2274
2275 elt = (struct brcmf_tlv *) buf;
2276 totlen = buflen;
2277
2278 /* find tagged parameter */
04012895 2279 while (totlen >= TLV_HDR_LEN) {
f8e4b412
AB		 2280 int len = elt->len;
2281
2282 /* validate remaining totlen */
04012895 2283 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
f8e4b412
AB		 2284 return elt;
2285
04012895
HM		 2286 elt = (struct brcmf_tlv *) ((u8 *) elt + (len + TLV_HDR_LEN));
2287 totlen -= (len + TLV_HDR_LEN);
f8e4b412
AB		 2288 }
2289
2290 return NULL;
2291}
2292
1a873342
HM		 2293/* Is any of the tlvs the expected entry? If
2294 * not update the tlvs buffer pointer/length.
2295 */
2296static bool
2297brcmf_tlv_has_ie(u8 *ie, u8 **tlvs, u32 *tlvs_len,
2298 u8 *oui, u32 oui_len, u8 type)
2299{
2300 /* If the contents match the OUI and the type */
2301 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
2302 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
2303 type == ie[TLV_BODY_OFF + oui_len]) {
2304 return true;
f8e4b412
AB		 2305 }
2306
1a873342
HM		 2307 if (tlvs == NULL)
2308 return false;
2309 /* point to the next ie */
2310 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
2311 /* calculate the length of the rest of the buffer */
2312 *tlvs_len -= (int)(ie - *tlvs);
2313 /* update the pointer to the start of the buffer */
2314 *tlvs = ie;
2315
2316 return false;
2317}
2318
3cb91f53 2319static struct brcmf_vs_tlv *
1a873342
HM		 2320brcmf_find_wpaie(u8 *parse, u32 len)
2321{
2322 struct brcmf_tlv *ie;
2323
04b2312a 2324 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
1a873342
HM		 2325 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
2326 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
2327 return (struct brcmf_vs_tlv *)ie;
2328 }
f8e4b412
AB		 2329 return NULL;
2330}
2331
27a68fe3 2332static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg)
5b435de0 2333{
6ac4f4ed
AS		 2334 struct net_device *ndev = cfg_to_ndev(cfg);
2335 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
2336 struct brcmf_if *ifp = netdev_priv(ndev);
d34bf64f 2337 struct brcmf_bss_info_le *bi;
5b435de0 2338 struct brcmf_ssid *ssid;
f8e4b412 2339 struct brcmf_tlv *tim;
5b435de0
AS		 2340 u16 beacon_interval;
2341 u8 dtim_period;
2342 size_t ie_len;
2343 u8 *ie;
2344 s32 err = 0;
2345
2346 WL_TRACE("Enter\n");
27a68fe3 2347 if (brcmf_is_ibssmode(cfg))
5b435de0
AS		 2348 return err;
2349
06bb123e 2350 ssid = &profile->ssid;
5b435de0 2351
27a68fe3 2352 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
ac24be6f 2353 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
81f5dcb8 2354 cfg->extra_buf, WL_EXTRA_BUF_MAX);
5b435de0
AS		 2355 if (err) {
2356 WL_ERR("Could not get bss info %d\n", err);
2357 goto update_bss_info_out;
2358 }
2359
27a68fe3
AS		 2360 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2361 err = brcmf_inform_single_bss(cfg, bi);
5b435de0
AS		 2362 if (err)
2363 goto update_bss_info_out;
2364
2365 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2366 ie_len = le32_to_cpu(bi->ie_length);
2367 beacon_interval = le16_to_cpu(bi->beacon_period);
2368
f8e4b412 2369 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
5b435de0
AS		 2370 if (tim)
2371 dtim_period = tim->data[1];
2372 else {
2373 /*
2374 * active scan was done so we could not get dtim
2375 * information out of probe response.
2376 * so we speficially query dtim information to dongle.
2377 */
2378 u32 var;
ac24be6f 2379 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
5b435de0
AS		 2380 if (err) {
2381 WL_ERR("wl dtim_assoc failed (%d)\n", err);
2382 goto update_bss_info_out;
2383 }
2384 dtim_period = (u8)var;
2385 }
2386
5b435de0
AS		 2387update_bss_info_out:
2388 WL_TRACE("Exit");
2389 return err;
2390}
2391
27a68fe3 2392static void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
5b435de0 2393{
27a68fe3 2394 struct escan_info *escan = &cfg->escan_info;
5b435de0 2395
c1179033 2396 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
f0799895 2397 if (cfg->scan_request) {
108a4bee 2398 escan->escan_state = WL_ESCAN_STATE_IDLE;
27a68fe3 2399 brcmf_notify_escan_complete(cfg, escan->ndev, true, true);
5b435de0 2400 }
c1179033
AS		 2401 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2402 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
5b435de0
AS		 2403}
2404
e756af5b
HM		 2405static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2406{
27a68fe3
AS		 2407 struct brcmf_cfg80211_info *cfg =
2408 container_of(work, struct brcmf_cfg80211_info,
e756af5b
HM		 2409 escan_timeout_work);
2410
27a68fe3
AS		 2411 brcmf_notify_escan_complete(cfg,
2412 cfg->escan_info.ndev, true, true);
e756af5b
HM		 2413}
2414
2415static void brcmf_escan_timeout(unsigned long data)
2416{
27a68fe3
AS		 2417 struct brcmf_cfg80211_info *cfg =
2418 (struct brcmf_cfg80211_info *)data;
e756af5b 2419
27a68fe3 2420 if (cfg->scan_request) {
e756af5b 2421 WL_ERR("timer expired\n");
f0799895 2422 schedule_work(&cfg->escan_timeout_work);
e756af5b
HM		 2423 }
2424}
2425
2426static s32
2427brcmf_compare_update_same_bss(struct brcmf_bss_info_le *bss,
2428 struct brcmf_bss_info_le *bss_info_le)
2429{
2430 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
2431 (CHSPEC_BAND(le16_to_cpu(bss_info_le->chanspec)) ==
2432 CHSPEC_BAND(le16_to_cpu(bss->chanspec))) &&
2433 bss_info_le->SSID_len == bss->SSID_len &&
2434 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
2435 if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) ==
2436 (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL)) {
029591f3
AS		 2437 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2438 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2439
e756af5b
HM		 2440 /* preserve max RSSI if the measurements are
2441 * both on-channel or both off-channel
2442 */
029591f3 2443 if (bss_info_rssi > bss_rssi)
e756af5b
HM		 2444 bss->RSSI = bss_info_le->RSSI;
2445 } else if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) &&
2446 (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL) == 0) {
2447 /* preserve the on-channel rssi measurement
2448 * if the new measurement is off channel
2449 */
2450 bss->RSSI = bss_info_le->RSSI;
2451 bss->flags |= WLC_BSS_RSSI_ON_CHANNEL;
2452 }
2453 return 1;
2454 }
2455 return 0;
2456}
2457
2458static s32
27a68fe3 2459brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg,
e756af5b
HM		 2460 struct net_device *ndev,
2461 const struct brcmf_event_msg *e, void *data)
2462{
2463 s32 status;
2464 s32 err = 0;
2465 struct brcmf_escan_result_le *escan_result_le;
2466 struct brcmf_bss_info_le *bss_info_le;
2467 struct brcmf_bss_info_le *bss = NULL;
2468 u32 bi_length;
2469 struct brcmf_scan_results *list;
2470 u32 i;
97ed15c7 2471 bool aborted;
e756af5b
HM		 2472
2473 status = be32_to_cpu(e->status);
2474
f0799895
HM		 2475 if (!ndev || !test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2476 WL_ERR("scan not ready ndev %p drv_status %x\n", ndev,
2477 !test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status));
e756af5b
HM		 2478 return -EPERM;
2479 }
2480
2481 if (status == BRCMF_E_STATUS_PARTIAL) {
2482 WL_SCAN("ESCAN Partial result\n");
2483 escan_result_le = (struct brcmf_escan_result_le *) data;
2484 if (!escan_result_le) {
2485 WL_ERR("Invalid escan result (NULL pointer)\n");
2486 goto exit;
2487 }
27a68fe3 2488 if (!cfg->scan_request) {
e756af5b
HM		 2489 WL_SCAN("result without cfg80211 request\n");
2490 goto exit;
2491 }
2492
2493 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
2494 WL_ERR("Invalid bss_count %d: ignoring\n",
2495 escan_result_le->bss_count);
2496 goto exit;
2497 }
2498 bss_info_le = &escan_result_le->bss_info_le;
2499
2500 bi_length = le32_to_cpu(bss_info_le->length);
2501 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
2502 WL_ESCAN_RESULTS_FIXED_SIZE)) {
2503 WL_ERR("Invalid bss_info length %d: ignoring\n",
2504 bi_length);
2505 goto exit;
2506 }
2507
27a68fe3 2508 if (!(cfg_to_wiphy(cfg)->interface_modes &
e756af5b
HM		 2509 BIT(NL80211_IFTYPE_ADHOC))) {
2510 if (le16_to_cpu(bss_info_le->capability) &
2511 WLAN_CAPABILITY_IBSS) {
2512 WL_ERR("Ignoring IBSS result\n");
2513 goto exit;
2514 }
2515 }
2516
2517 list = (struct brcmf_scan_results *)
27a68fe3 2518 cfg->escan_info.escan_buf;
e756af5b
HM		 2519 if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
2520 WL_ERR("Buffer is too small: ignoring\n");
2521 goto exit;
2522 }
2523
2524 for (i = 0; i < list->count; i++) {
2525 bss = bss ? (struct brcmf_bss_info_le *)
2526 ((unsigned char *)bss +
2527 le32_to_cpu(bss->length)) : list->bss_info_le;
2528 if (brcmf_compare_update_same_bss(bss, bss_info_le))
2529 goto exit;
2530 }
27a68fe3 2531 memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
e756af5b
HM		 2532 bss_info_le, bi_length);
2533 list->version = le32_to_cpu(bss_info_le->version);
2534 list->buflen += bi_length;
2535 list->count++;
2536 } else {
27a68fe3
AS		 2537 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2538 if (cfg->scan_request) {
2539 cfg->bss_list = (struct brcmf_scan_results *)
2540 cfg->escan_info.escan_buf;
2541 brcmf_inform_bss(cfg);
97ed15c7 2542 aborted = status != BRCMF_E_STATUS_SUCCESS;
27a68fe3 2543 brcmf_notify_escan_complete(cfg, ndev, aborted,
97ed15c7 2544 false);
e756af5b
HM		 2545 } else
2546 WL_ERR("Unexpected scan result 0x%x\n", status);
2547 }
2548exit:
2549 return err;
2550}
2551
27a68fe3 2552static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
e756af5b
HM		 2553{
2554
f0799895
HM		 2555 cfg->el.handler[BRCMF_E_ESCAN_RESULT] =
2556 brcmf_cfg80211_escan_handler;
2557 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2558 /* Init scan_timeout timer */
2559 init_timer(&cfg->escan_timeout);
2560 cfg->escan_timeout.data = (unsigned long) cfg;
2561 cfg->escan_timeout.function = brcmf_escan_timeout;
2562 INIT_WORK(&cfg->escan_timeout_work,
2563 brcmf_cfg80211_escan_timeout_worker);
e756af5b
HM		 2564}
2565
5addc0de 2566static __always_inline void brcmf_delay(u32 ms)
5b435de0
AS		 2567{
2568 if (ms < 1000 / HZ) {
2569 cond_resched();
2570 mdelay(ms);
2571 } else {
2572 msleep(ms);
2573 }
2574}
2575
2576static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2577{
5b435de0
AS		 2578 WL_TRACE("Enter\n");
2579
5b435de0
AS		 2580 return 0;
2581}
2582
2583static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
2584 struct cfg80211_wowlan *wow)
2585{
27a68fe3
AS		 2586 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2587 struct net_device *ndev = cfg_to_ndev(cfg);
7d641072 2588 struct brcmf_cfg80211_vif *vif;
5b435de0
AS		 2589
2590 WL_TRACE("Enter\n");
2591
2592 /*
7d641072
AS		 2593 * if the primary net_device is not READY there is nothing
2594 * we can do but pray resume goes smoothly.
5b435de0 2595 */
7d641072
AS		 2596 vif = ((struct brcmf_if *)netdev_priv(ndev))->vif;
2597 if (!check_vif_up(vif))
2598 goto exit;
5b435de0 2599
7d641072
AS		 2600 list_for_each_entry(vif, &cfg->vif_list, list) {
2601 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
2602 continue;
5b435de0 2603 /*
7d641072
AS		 2604 * While going to suspend if associated with AP disassociate
2605 * from AP to save power while system is in suspended state
5b435de0 2606 */
7d641072
AS		 2607 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state) ||
2608 test_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state)) {
2609 WL_INFO("Disassociating from AP before suspend\n");
2610 brcmf_link_down(cfg);
2611
2612 /* Make sure WPA_Supplicant receives all the event
2613 * generated due to DISASSOC call to the fw to keep
2614 * the state fw and WPA_Supplicant state consistent
2615 */
2616 brcmf_delay(500);
2617 }
5b435de0
AS		 2618 }
2619
7d641072
AS		 2620 /* end any scanning */
2621 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
27a68fe3 2622 brcmf_abort_scanning(cfg);
5b435de0
AS		 2623
2624 /* Turn off watchdog timer */
7d641072 2625 brcmf_set_mpc(ndev, 1);
5b435de0 2626
7d641072 2627exit:
5b435de0 2628 WL_TRACE("Exit\n");
7d641072
AS		 2629 /* clear any scanning activity */
2630 cfg->scan_status = 0;
5b435de0
AS		 2631 return 0;
2632}
2633
5b435de0
AS		 2634static __used s32
2635brcmf_update_pmklist(struct net_device *ndev,
2636 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
2637{
2638 int i, j;
40c8e95a 2639 int pmkid_len;
5b435de0 2640
40c8e95a
AS		 2641 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
2642
2643 WL_CONN("No of elements %d\n", pmkid_len);
2644 for (i = 0; i < pmkid_len; i++) {
5b435de0
AS		 2645 WL_CONN("PMKID[%d]: %pM =\n", i,
2646 &pmk_list->pmkids.pmkid[i].BSSID);
2647 for (j = 0; j < WLAN_PMKID_LEN; j++)
2648 WL_CONN("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]);
2649 }
2650
2651 if (!err)
ac24be6f
AS		 2652 brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
2653 (char *)pmk_list, sizeof(*pmk_list));
5b435de0
AS		 2654
2655 return err;
2656}
2657
2658static s32
2659brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2660 struct cfg80211_pmksa *pmksa)
2661{
27a68fe3 2662 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2663 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 2664 struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
5b435de0
AS		 2665 s32 err = 0;
2666 int i;
40c8e95a 2667 int pmkid_len;
5b435de0
AS		 2668
2669 WL_TRACE("Enter\n");
ce81e317 2670 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2671 return -EIO;
2672
40c8e95a
AS		 2673 pmkid_len = le32_to_cpu(pmkids->npmkid);
2674 for (i = 0; i < pmkid_len; i++)
5b435de0
AS		 2675 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
2676 break;
2677 if (i < WL_NUM_PMKIDS_MAX) {
2678 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
2679 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
40c8e95a
AS		 2680 if (i == pmkid_len) {
2681 pmkid_len++;
2682 pmkids->npmkid = cpu_to_le32(pmkid_len);
2683 }
5b435de0
AS		 2684 } else
2685 err = -EINVAL;
2686
2687 WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
40c8e95a 2688 pmkids->pmkid[pmkid_len].BSSID);
5b435de0 2689 for (i = 0; i < WLAN_PMKID_LEN; i++)
40c8e95a 2690 WL_CONN("%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
5b435de0 2691
27a68fe3 2692 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0
AS		 2693
2694 WL_TRACE("Exit\n");
2695 return err;
2696}
2697
2698static s32
2699brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2700 struct cfg80211_pmksa *pmksa)
2701{
27a68fe3 2702 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2703 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2704 struct pmkid_list pmkid;
2705 s32 err = 0;
40c8e95a 2706 int i, pmkid_len;
5b435de0
AS		 2707
2708 WL_TRACE("Enter\n");
ce81e317 2709 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2710 return -EIO;
2711
2712 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
2713 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
2714
2715 WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
2716 &pmkid.pmkid[0].BSSID);
2717 for (i = 0; i < WLAN_PMKID_LEN; i++)
2718 WL_CONN("%02x\n", pmkid.pmkid[0].PMKID[i]);
2719
27a68fe3 2720 pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
40c8e95a 2721 for (i = 0; i < pmkid_len; i++)
5b435de0 2722 if (!memcmp
27a68fe3 2723 (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
5b435de0
AS		 2724 ETH_ALEN))
2725 break;
2726
40c8e95a
AS		 2727 if ((pmkid_len > 0)
2728 && (i < pmkid_len)) {
27a68fe3 2729 memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
5b435de0 2730 sizeof(struct pmkid));
40c8e95a 2731 for (; i < (pmkid_len - 1); i++) {
27a68fe3
AS		 2732 memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
2733 &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
5b435de0 2734 ETH_ALEN);
27a68fe3
AS		 2735 memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
2736 &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
5b435de0
AS		 2737 WLAN_PMKID_LEN);
2738 }
27a68fe3 2739 cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
5b435de0
AS		 2740 } else
2741 err = -EINVAL;
2742
27a68fe3 2743 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0
AS		 2744
2745 WL_TRACE("Exit\n");
2746 return err;
2747
2748}
2749
2750static s32
2751brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
2752{
27a68fe3 2753 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
0abb5f21 2754 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 2755 s32 err = 0;
2756
2757 WL_TRACE("Enter\n");
ce81e317 2758 if (!check_vif_up(ifp->vif))
5b435de0
AS		 2759 return -EIO;
2760
27a68fe3
AS		 2761 memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
2762 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
5b435de0
AS		 2763
2764 WL_TRACE("Exit\n");
2765 return err;
2766
2767}
2768
e5806072
AS		 2769/*
2770 * PFN result doesn't have all the info which are
2771 * required by the supplicant
2772 * (For e.g IEs) Do a target Escan so that sched scan results are reported
2773 * via wl_inform_single_bss in the required format. Escan does require the
2774 * scan request in the form of cfg80211_scan_request. For timebeing, create
2775 * cfg80211_scan_request one out of the received PNO event.
2776 */
2777static s32
27a68fe3 2778brcmf_notify_sched_scan_results(struct brcmf_cfg80211_info *cfg,
e5806072
AS		 2779 struct net_device *ndev,
2780 const struct brcmf_event_msg *e, void *data)
2781{
2782 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
2783 struct cfg80211_scan_request *request = NULL;
2784 struct cfg80211_ssid *ssid = NULL;
2785 struct ieee80211_channel *channel = NULL;
27a68fe3 2786 struct wiphy *wiphy = cfg_to_wiphy(cfg);
e5806072
AS		 2787 int err = 0;
2788 int channel_req = 0;
2789 int band = 0;
2790 struct brcmf_pno_scanresults_le *pfn_result;
2791 u32 result_count;
2792 u32 status;
2793
2794 WL_SCAN("Enter\n");
2795
2796 if (e->event_type == cpu_to_be32(BRCMF_E_PFN_NET_LOST)) {
2797 WL_SCAN("PFN NET LOST event. Do Nothing\n");
2798 return 0;
2799 }
2800
2801 pfn_result = (struct brcmf_pno_scanresults_le *)data;
2802 result_count = le32_to_cpu(pfn_result->count);
2803 status = le32_to_cpu(pfn_result->status);
2804
2805 /*
2806 * PFN event is limited to fit 512 bytes so we may get
2807 * multiple NET_FOUND events. For now place a warning here.
2808 */
2809 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
2810 WL_SCAN("PFN NET FOUND event. count: %d\n", result_count);
2811 if (result_count > 0) {
2812 int i;
2813
2814 request = kzalloc(sizeof(*request), GFP_KERNEL);
58901d18
DC		 2815 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
2816 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
e5806072
AS		 2817 if (!request || !ssid || !channel) {
2818 err = -ENOMEM;
2819 goto out_err;
2820 }
2821
2822 request->wiphy = wiphy;
2823 data += sizeof(struct brcmf_pno_scanresults_le);
2824 netinfo_start = (struct brcmf_pno_net_info_le *)data;
2825
2826 for (i = 0; i < result_count; i++) {
2827 netinfo = &netinfo_start[i];
2828 if (!netinfo) {
2829 WL_ERR("Invalid netinfo ptr. index: %d\n", i);
2830 err = -EINVAL;
2831 goto out_err;
2832 }
2833
2834 WL_SCAN("SSID:%s Channel:%d\n",
2835 netinfo->SSID, netinfo->channel);
2836 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
2837 ssid[i].ssid_len = netinfo->SSID_len;
2838 request->n_ssids++;
2839
2840 channel_req = netinfo->channel;
2841 if (channel_req <= CH_MAX_2G_CHANNEL)
2842 band = NL80211_BAND_2GHZ;
2843 else
2844 band = NL80211_BAND_5GHZ;
2845 channel[i].center_freq =
2846 ieee80211_channel_to_frequency(channel_req,
2847 band);
2848 channel[i].band = band;
2849 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
2850 request->channels[i] = &channel[i];
2851 request->n_channels++;
2852 }
2853
2854 /* assign parsed ssid array */
2855 if (request->n_ssids)
2856 request->ssids = &ssid[0];
2857
c1179033 2858 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
e5806072 2859 /* Abort any on-going scan */
27a68fe3 2860 brcmf_abort_scanning(cfg);
e5806072
AS		 2861 }
2862
c1179033 2863 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
27a68fe3 2864 err = brcmf_do_escan(cfg, wiphy, ndev, request);
e5806072 2865 if (err) {
c1179033 2866 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
e5806072
AS		 2867 goto out_err;
2868 }
27a68fe3
AS		 2869 cfg->sched_escan = true;
2870 cfg->scan_request = request;
e5806072
AS		 2871 } else {
2872 WL_ERR("FALSE PNO Event. (pfn_count == 0)\n");
2873 goto out_err;
2874 }
2875
2876 kfree(ssid);
2877 kfree(channel);
2878 kfree(request);
2879 return 0;
2880
2881out_err:
2882 kfree(ssid);
2883 kfree(channel);
2884 kfree(request);
2885 cfg80211_sched_scan_stopped(wiphy);
2886 return err;
2887}
2888
e5806072
AS		 2889static int brcmf_dev_pno_clean(struct net_device *ndev)
2890{
e5806072
AS		 2891 int ret;
2892
2893 /* Disable pfn */
ac24be6f 2894 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
e5806072
AS		 2895 if (ret == 0) {
2896 /* clear pfn */
ac24be6f
AS		 2897 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
2898 NULL, 0);
e5806072
AS		 2899 }
2900 if (ret < 0)
2901 WL_ERR("failed code %d\n", ret);
2902
2903 return ret;
2904}
2905
2906static int brcmf_dev_pno_config(struct net_device *ndev)
2907{
2908 struct brcmf_pno_param_le pfn_param;
e5806072
AS		 2909
2910 memset(&pfn_param, 0, sizeof(pfn_param));
2911 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
2912
2913 /* set extra pno params */
2914 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
2915 pfn_param.repeat = BRCMF_PNO_REPEAT;
2916 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
2917
2918 /* set up pno scan fr */
2919 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
2920
ac24be6f
AS		 2921 return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
2922 &pfn_param, sizeof(pfn_param));
e5806072
AS		 2923}
2924
2925static int
2926brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
2927 struct net_device *ndev,
2928 struct cfg80211_sched_scan_request *request)
2929{
c1179033 2930 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 2931 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
e5806072
AS		 2932 struct brcmf_pno_net_param_le pfn;
2933 int i;
2934 int ret = 0;
2935
2936 WL_SCAN("Enter n_match_sets:%d n_ssids:%d\n",
2937 request->n_match_sets, request->n_ssids);
c1179033
AS		 2938 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2939 WL_ERR("Scanning already: status (%lu)\n", cfg->scan_status);
e5806072
AS		 2940 return -EAGAIN;
2941 }
2942
2943 if (!request || !request->n_ssids || !request->n_match_sets) {
2944 WL_ERR("Invalid sched scan req!! n_ssids:%d\n",
9495b31a 2945 request ? request->n_ssids : 0);
e5806072
AS		 2946 return -EINVAL;
2947 }
2948
2949 if (request->n_ssids > 0) {
2950 for (i = 0; i < request->n_ssids; i++) {
2951 /* Active scan req for ssids */
2952 WL_SCAN(">>> Active scan req for ssid (%s)\n",
2953 request->ssids[i].ssid);
2954
2955 /*
2956 * match_set ssids is a supert set of n_ssid list,
2957 * so we need not add these set seperately.
2958 */
2959 }
2960 }
2961
2962 if (request->n_match_sets > 0) {
2963 /* clean up everything */
2964 ret = brcmf_dev_pno_clean(ndev);
2965 if (ret < 0) {
2966 WL_ERR("failed error=%d\n", ret);
2967 return ret;
2968 }
2969
2970 /* configure pno */
2971 ret = brcmf_dev_pno_config(ndev);
2972 if (ret < 0) {
2973 WL_ERR("PNO setup failed!! ret=%d\n", ret);
2974 return -EINVAL;
2975 }
2976
2977 /* configure each match set */
2978 for (i = 0; i < request->n_match_sets; i++) {
2979 struct cfg80211_ssid *ssid;
2980 u32 ssid_len;
2981
2982 ssid = &request->match_sets[i].ssid;
2983 ssid_len = ssid->ssid_len;
2984
2985 if (!ssid_len) {
2986 WL_ERR("skip broadcast ssid\n");
2987 continue;
2988 }
2989 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
2990 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
2991 pfn.wsec = cpu_to_le32(0);
2992 pfn.infra = cpu_to_le32(1);
2993 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
2994 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
2995 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
c1179033 2996 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
ac24be6f 2997 sizeof(pfn));
e5806072
AS		 2998 WL_SCAN(">>> PNO filter %s for ssid (%s)\n",
2999 ret == 0 ? "set" : "failed",
3000 ssid->ssid);
3001 }
3002 /* Enable the PNO */
c1179033 3003 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
e5806072
AS		 3004 WL_ERR("PNO enable failed!! ret=%d\n", ret);
3005 return -EINVAL;
3006 }
3007 } else {
3008 return -EINVAL;
3009 }
3010
3011 return 0;
3012}
3013
3014static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3015 struct net_device *ndev)
3016{
27a68fe3 3017 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
e5806072
AS		 3018
3019 WL_SCAN("enter\n");
3020 brcmf_dev_pno_clean(ndev);
27a68fe3
AS		 3021 if (cfg->sched_escan)
3022 brcmf_notify_escan_complete(cfg, ndev, true, true);
e5806072
AS		 3023 return 0;
3024}
e5806072 3025
cbaa177d
AS		 3026#ifdef CONFIG_NL80211_TESTMODE
3027static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len)
3028{
27a68fe3 3029 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3eacf866 3030 struct net_device *ndev = cfg_to_ndev(cfg);
cbaa177d
AS		 3031 struct brcmf_dcmd *dcmd = data;
3032 struct sk_buff *reply;
3033 int ret;
3034
f368a5b6
HM		 3035 WL_TRACE("cmd %x set %d buf %p len %d\n", dcmd->cmd, dcmd->set,
3036 dcmd->buf, dcmd->len);
3037
3038 if (dcmd->set)
ac24be6f
AS		 3039 ret = brcmf_fil_cmd_data_set(netdev_priv(ndev), dcmd->cmd,
3040 dcmd->buf, dcmd->len);
f368a5b6 3041 else
ac24be6f
AS		 3042 ret = brcmf_fil_cmd_data_get(netdev_priv(ndev), dcmd->cmd,
3043 dcmd->buf, dcmd->len);
cbaa177d
AS		 3044 if (ret == 0) {
3045 reply = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(*dcmd));
3046 nla_put(reply, NL80211_ATTR_TESTDATA, sizeof(*dcmd), dcmd);
3047 ret = cfg80211_testmode_reply(reply);
3048 }
3049 return ret;
3050}
3051#endif
3052
1a873342
HM		 3053static s32 brcmf_configure_opensecurity(struct net_device *ndev, s32 bssidx)
3054{
ac24be6f 3055 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 3056 s32 err;
3057
3058 /* set auth */
ac24be6f 3059 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
1a873342
HM		 3060 if (err < 0) {
3061 WL_ERR("auth error %d\n", err);
3062 return err;
3063 }
3064 /* set wsec */
ac24be6f 3065 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
1a873342
HM		 3066 if (err < 0) {
3067 WL_ERR("wsec error %d\n", err);
3068 return err;
3069 }
3070 /* set upper-layer auth */
ac24be6f 3071 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
1a873342
HM		 3072 if (err < 0) {
3073 WL_ERR("wpa_auth error %d\n", err);
3074 return err;
3075 }
3076
3077 return 0;
3078}
3079
3080static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3081{
3082 if (is_rsn_ie)
3083 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3084
3085 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3086}
3087
3088static s32
3089brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie,
3090 bool is_rsn_ie, s32 bssidx)
3091{
ac24be6f 3092 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 3093 u32 auth = 0; /* d11 open authentication */
3094 u16 count;
3095 s32 err = 0;
3096 s32 len = 0;
3097 u32 i;
3098 u32 wsec;
3099 u32 pval = 0;
3100 u32 gval = 0;
3101 u32 wpa_auth = 0;
3102 u32 offset;
3103 u8 *data;
3104 u16 rsn_cap;
3105 u32 wme_bss_disable;
3106
3107 WL_TRACE("Enter\n");
3108 if (wpa_ie == NULL)
3109 goto exit;
3110
3111 len = wpa_ie->len + TLV_HDR_LEN;
3112 data = (u8 *)wpa_ie;
3113 offset = 0;
3114 if (!is_rsn_ie)
3115 offset += VS_IE_FIXED_HDR_LEN;
3116 offset += WPA_IE_VERSION_LEN;
3117
3118 /* check for multicast cipher suite */
3119 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3120 err = -EINVAL;
3121 WL_ERR("no multicast cipher suite\n");
3122 goto exit;
3123 }
3124
3125 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3126 err = -EINVAL;
3127 WL_ERR("ivalid OUI\n");
3128 goto exit;
3129 }
3130 offset += TLV_OUI_LEN;
3131
3132 /* pick up multicast cipher */
3133 switch (data[offset]) {
3134 case WPA_CIPHER_NONE:
3135 gval = 0;
3136 break;
3137 case WPA_CIPHER_WEP_40:
3138 case WPA_CIPHER_WEP_104:
3139 gval = WEP_ENABLED;
3140 break;
3141 case WPA_CIPHER_TKIP:
3142 gval = TKIP_ENABLED;
3143 break;
3144 case WPA_CIPHER_AES_CCM:
3145 gval = AES_ENABLED;
3146 break;
3147 default:
3148 err = -EINVAL;
3149 WL_ERR("Invalid multi cast cipher info\n");
3150 goto exit;
3151 }
3152
3153 offset++;
3154 /* walk thru unicast cipher list and pick up what we recognize */
3155 count = data[offset] + (data[offset + 1] << 8);
3156 offset += WPA_IE_SUITE_COUNT_LEN;
3157 /* Check for unicast suite(s) */
3158 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3159 err = -EINVAL;
3160 WL_ERR("no unicast cipher suite\n");
3161 goto exit;
3162 }
3163 for (i = 0; i < count; i++) {
3164 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3165 err = -EINVAL;
3166 WL_ERR("ivalid OUI\n");
3167 goto exit;
3168 }
3169 offset += TLV_OUI_LEN;
3170 switch (data[offset]) {
3171 case WPA_CIPHER_NONE:
3172 break;
3173 case WPA_CIPHER_WEP_40:
3174 case WPA_CIPHER_WEP_104:
3175 pval |= WEP_ENABLED;
3176 break;
3177 case WPA_CIPHER_TKIP:
3178 pval |= TKIP_ENABLED;
3179 break;
3180 case WPA_CIPHER_AES_CCM:
3181 pval |= AES_ENABLED;
3182 break;
3183 default:
3184 WL_ERR("Ivalid unicast security info\n");
3185 }
3186 offset++;
3187 }
3188 /* walk thru auth management suite list and pick up what we recognize */
3189 count = data[offset] + (data[offset + 1] << 8);
3190 offset += WPA_IE_SUITE_COUNT_LEN;
3191 /* Check for auth key management suite(s) */
3192 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3193 err = -EINVAL;
3194 WL_ERR("no auth key mgmt suite\n");
3195 goto exit;
3196 }
3197 for (i = 0; i < count; i++) {
3198 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3199 err = -EINVAL;
3200 WL_ERR("ivalid OUI\n");
3201 goto exit;
3202 }
3203 offset += TLV_OUI_LEN;
3204 switch (data[offset]) {
3205 case RSN_AKM_NONE:
3206 WL_TRACE("RSN_AKM_NONE\n");
3207 wpa_auth |= WPA_AUTH_NONE;
3208 break;
3209 case RSN_AKM_UNSPECIFIED:
3210 WL_TRACE("RSN_AKM_UNSPECIFIED\n");
3211 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3212 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3213 break;
3214 case RSN_AKM_PSK:
3215 WL_TRACE("RSN_AKM_PSK\n");
3216 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3217 (wpa_auth |= WPA_AUTH_PSK);
3218 break;
3219 default:
3220 WL_ERR("Ivalid key mgmt info\n");
3221 }
3222 offset++;
3223 }
3224
3225 if (is_rsn_ie) {
3226 wme_bss_disable = 1;
3227 if ((offset + RSN_CAP_LEN) <= len) {
3228 rsn_cap = data[offset] + (data[offset + 1] << 8);
3229 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3230 wme_bss_disable = 0;
3231 }
3232 /* set wme_bss_disable to sync RSN Capabilities */
ac24be6f 3233 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
81f5dcb8 3234 wme_bss_disable);
1a873342
HM		 3235 if (err < 0) {
3236 WL_ERR("wme_bss_disable error %d\n", err);
3237 goto exit;
3238 }
3239 }
3240 /* FOR WPS , set SES_OW_ENABLED */
3241 wsec = (pval | gval | SES_OW_ENABLED);
3242
3243 /* set auth */
ac24be6f 3244 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
1a873342
HM		 3245 if (err < 0) {
3246 WL_ERR("auth error %d\n", err);
3247 goto exit;
3248 }
3249 /* set wsec */
ac24be6f 3250 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
1a873342
HM		 3251 if (err < 0) {
3252 WL_ERR("wsec error %d\n", err);
3253 goto exit;
3254 }
3255 /* set upper-layer auth */
ac24be6f 3256 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
1a873342
HM		 3257 if (err < 0) {
3258 WL_ERR("wpa_auth error %d\n", err);
3259 goto exit;
3260 }
3261
3262exit:
3263 return err;
3264}
3265
3266static s32
3082b9be 3267brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
1a873342
HM		 3268 struct parsed_vndr_ies *vndr_ies)
3269{
3270 s32 err = 0;
3271 struct brcmf_vs_tlv *vndrie;
3272 struct brcmf_tlv *ie;
3273 struct parsed_vndr_ie_info *parsed_info;
3274 s32 remaining_len;
3275
3276 remaining_len = (s32)vndr_ie_len;
3277 memset(vndr_ies, 0, sizeof(*vndr_ies));
3278
3279 ie = (struct brcmf_tlv *)vndr_ie_buf;
3280 while (ie) {
3281 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
3282 goto next;
3283 vndrie = (struct brcmf_vs_tlv *)ie;
3284 /* len should be bigger than OUI length + one */
3285 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
3286 WL_ERR("invalid vndr ie. length is too small %d\n",
3287 vndrie->len);
3288 goto next;
3289 }
3290 /* if wpa or wme ie, do not add ie */
3291 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
3292 ((vndrie->oui_type == WPA_OUI_TYPE) ||
3293 (vndrie->oui_type == WME_OUI_TYPE))) {
3294 WL_TRACE("Found WPA/WME oui. Do not add it\n");
3295 goto next;
3296 }
3297
3298 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
3299
3300 /* save vndr ie information */
3301 parsed_info->ie_ptr = (char *)vndrie;
3302 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
3303 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
3304
3305 vndr_ies->count++;
3306
3307 WL_TRACE("** OUI %02x %02x %02x, type 0x%02x\n",
3308 parsed_info->vndrie.oui[0],
3309 parsed_info->vndrie.oui[1],
3310 parsed_info->vndrie.oui[2],
3311 parsed_info->vndrie.oui_type);
3312
3313 if (vndr_ies->count >= MAX_VNDR_IE_NUMBER)
3314 break;
3315next:
3316 remaining_len -= ie->len;
3317 if (remaining_len <= 2)
3318 ie = NULL;
3319 else
3320 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len);
3321 }
3322 return err;
3323}
3324
3325static u32
3326brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
3327{
3328
3329 __le32 iecount_le;
3330 __le32 pktflag_le;
3331
3332 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
3333 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
3334
3335 iecount_le = cpu_to_le32(1);
3336 memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le));
3337
3338 pktflag_le = cpu_to_le32(pktflag);
3339 memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le));
3340
3341 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
3342
3343 return ie_len + VNDR_IE_HDR_SIZE;
3344}
3345
3082b9be 3346static
1332e26e
AS		 3347s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
3348 const u8 *vndr_ie_buf, u32 vndr_ie_len)
1a873342 3349{
1332e26e
AS		 3350 struct brcmf_if *ifp;
3351 struct vif_saved_ie *saved_ie;
1a873342
HM		 3352 s32 err = 0;
3353 u8 *iovar_ie_buf;
3354 u8 *curr_ie_buf;
3355 u8 *mgmt_ie_buf = NULL;
3e4f319d 3356 int mgmt_ie_buf_len;
81118d16 3357 u32 *mgmt_ie_len;
1a873342
HM		 3358 u32 del_add_ie_buf_len = 0;
3359 u32 total_ie_buf_len = 0;
3360 u32 parsed_ie_buf_len = 0;
3361 struct parsed_vndr_ies old_vndr_ies;
3362 struct parsed_vndr_ies new_vndr_ies;
3363 struct parsed_vndr_ie_info *vndrie_info;
3364 s32 i;
3365 u8 *ptr;
3e4f319d 3366 int remained_buf_len;
1a873342 3367
1332e26e
AS		 3368 if (!vif)
3369 return -ENODEV;
3370 ifp = vif->ifp;
3371 saved_ie = &vif->saved_ie;
3372
3373 WL_TRACE("bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
1a873342
HM		 3374 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3375 if (!iovar_ie_buf)
3376 return -ENOMEM;
3377 curr_ie_buf = iovar_ie_buf;
8ff5dc92 3378 if (ifp->vif->mode == WL_MODE_AP) {
1a873342
HM		 3379 switch (pktflag) {
3380 case VNDR_IE_PRBRSP_FLAG:
8ff5dc92
AS		 3381 mgmt_ie_buf = saved_ie->probe_res_ie;
3382 mgmt_ie_len = &saved_ie->probe_res_ie_len;
3383 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
1a873342
HM		 3384 break;
3385 case VNDR_IE_BEACON_FLAG:
8ff5dc92
AS		 3386 mgmt_ie_buf = saved_ie->beacon_ie;
3387 mgmt_ie_len = &saved_ie->beacon_ie_len;
3388 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
1a873342
HM		 3389 break;
3390 default:
3391 err = -EPERM;
3392 WL_ERR("not suitable type\n");
3393 goto exit;
3394 }
1a873342
HM		 3395 } else {
3396 err = -EPERM;
3397 WL_ERR("not suitable type\n");
3398 goto exit;
3399 }
3400
3401 if (vndr_ie_len > mgmt_ie_buf_len) {
3402 err = -ENOMEM;
3403 WL_ERR("extra IE size too big\n");
3404 goto exit;
3405 }
3406
3407 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
3408 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
3409 ptr = curr_ie_buf;
3410 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
3411 for (i = 0; i < new_vndr_ies.count; i++) {
3412 vndrie_info = &new_vndr_ies.ie_info[i];
3413 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
3414 vndrie_info->ie_len);
3415 parsed_ie_buf_len += vndrie_info->ie_len;
3416 }
3417 }
3418
3419 if (mgmt_ie_buf != NULL) {
3420 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
3421 (memcmp(mgmt_ie_buf, curr_ie_buf,
3422 parsed_ie_buf_len) == 0)) {
3423 WL_TRACE("Previous mgmt IE is equals to current IE");
3424 goto exit;
3425 }
3426
3427 /* parse old vndr_ie */
3428 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
3429
3430 /* make a command to delete old ie */
3431 for (i = 0; i < old_vndr_ies.count; i++) {
3432 vndrie_info = &old_vndr_ies.ie_info[i];
3433
3434 WL_TRACE("DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
3435 vndrie_info->vndrie.id,
3436 vndrie_info->vndrie.len,
3437 vndrie_info->vndrie.oui[0],
3438 vndrie_info->vndrie.oui[1],
3439 vndrie_info->vndrie.oui[2]);
3440
3441 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3442 vndrie_info->ie_ptr,
3443 vndrie_info->ie_len,
3444 "del");
3445 curr_ie_buf += del_add_ie_buf_len;
3446 total_ie_buf_len += del_add_ie_buf_len;
3447 }
3448 }
3449
3450 *mgmt_ie_len = 0;
3451 /* Add if there is any extra IE */
3452 if (mgmt_ie_buf && parsed_ie_buf_len) {
3453 ptr = mgmt_ie_buf;
3454
3455 remained_buf_len = mgmt_ie_buf_len;
3456
3457 /* make a command to add new ie */
3458 for (i = 0; i < new_vndr_ies.count; i++) {
3459 vndrie_info = &new_vndr_ies.ie_info[i];
3460
3461 WL_TRACE("ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
3462 vndrie_info->vndrie.id,
3463 vndrie_info->vndrie.len,
3464 vndrie_info->vndrie.oui[0],
3465 vndrie_info->vndrie.oui[1],
3466 vndrie_info->vndrie.oui[2]);
3467
3468 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3469 vndrie_info->ie_ptr,
3470 vndrie_info->ie_len,
3471 "add");
3472 /* verify remained buf size before copy data */
3473 remained_buf_len -= vndrie_info->ie_len;
3474 if (remained_buf_len < 0) {
3475 WL_ERR("no space in mgmt_ie_buf: len left %d",
3476 remained_buf_len);
3477 break;
3478 }
3479
3480 /* save the parsed IE in wl struct */
3481 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
3482 vndrie_info->ie_len);
3483 *mgmt_ie_len += vndrie_info->ie_len;
3484
3485 curr_ie_buf += del_add_ie_buf_len;
3486 total_ie_buf_len += del_add_ie_buf_len;
3487 }
3488 }
3489 if (total_ie_buf_len) {
c1179033 3490 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
81f5dcb8 3491 total_ie_buf_len);
1a873342
HM		 3492 if (err)
3493 WL_ERR("vndr ie set error : %d\n", err);
3494 }
3495
3496exit:
3497 kfree(iovar_ie_buf);
3498 return err;
3499}
3500
3501static s32
3502brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
3503 struct cfg80211_ap_settings *settings)
3504{
3505 s32 ie_offset;
ac24be6f 3506 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 3507 struct brcmf_tlv *ssid_ie;
3508 struct brcmf_ssid_le ssid_le;
1a873342
HM		 3509 s32 err = -EPERM;
3510 struct brcmf_tlv *rsn_ie;
3511 struct brcmf_vs_tlv *wpa_ie;
3512 struct brcmf_join_params join_params;
27a68fe3 3513 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1a873342
HM		 3514 s32 bssidx = 0;
3515
3516 WL_TRACE("channel_type=%d, beacon_interval=%d, dtim_period=%d,\n",
3517 settings->channel_type, settings->beacon_interval,
3518 settings->dtim_period);
3519 WL_TRACE("ssid=%s(%d), auth_type=%d, inactivity_timeout=%d\n",
3520 settings->ssid, settings->ssid_len, settings->auth_type,
3521 settings->inactivity_timeout);
3522
c1179033 3523 if (!test_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state)) {
1a873342
HM		 3524 WL_ERR("Not in AP creation mode\n");
3525 return -EPERM;
3526 }
3527
3528 memset(&ssid_le, 0, sizeof(ssid_le));
3529 if (settings->ssid == NULL || settings->ssid_len == 0) {
3530 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
3531 ssid_ie = brcmf_parse_tlvs(
3532 (u8 *)&settings->beacon.head[ie_offset],
3533 settings->beacon.head_len - ie_offset,
3534 WLAN_EID_SSID);
3535 if (!ssid_ie)
3536 return -EINVAL;
3537
3538 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
3539 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
3540 WL_TRACE("SSID is (%s) in Head\n", ssid_le.SSID);
3541 } else {
3542 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
3543 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
3544 }
3545
3546 brcmf_set_mpc(ndev, 0);
ac24be6f 3547 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
1a873342
HM		 3548 if (err < 0) {
3549 WL_ERR("BRCMF_C_DOWN error %d\n", err);
3550 goto exit;
3551 }
ac24be6f 3552 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
1a873342
HM		 3553 if (err < 0) {
3554 WL_ERR("SET INFRA error %d\n", err);
3555 goto exit;
3556 }
ac24be6f 3557 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
1a873342
HM		 3558 if (err < 0) {
3559 WL_ERR("setting AP mode failed %d\n", err);
3560 goto exit;
3561 }
3562
3563 /* find the RSN_IE */
3564 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
3565 settings->beacon.tail_len, WLAN_EID_RSN);
3566
3567 /* find the WPA_IE */
3568 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
3569 settings->beacon.tail_len);
3570
1a873342
HM		 3571 if ((wpa_ie != NULL || rsn_ie != NULL)) {
3572 WL_TRACE("WPA(2) IE is found\n");
3573 if (wpa_ie != NULL) {
3574 /* WPA IE */
3575 err = brcmf_configure_wpaie(ndev, wpa_ie, false,
3576 bssidx);
3577 if (err < 0)
3578 goto exit;
1a873342
HM		 3579 } else {
3580 /* RSN IE */
3581 err = brcmf_configure_wpaie(ndev,
3582 (struct brcmf_vs_tlv *)rsn_ie, true, bssidx);
3583 if (err < 0)
3584 goto exit;
1a873342 3585 }
1a873342
HM		 3586 } else {
3587 WL_TRACE("No WPA(2) IEs found\n");
3588 brcmf_configure_opensecurity(ndev, bssidx);
1a873342
HM		 3589 }
3590 /* Set Beacon IEs to FW */
1332e26e
AS		 3591 err = brcmf_vif_set_mgmt_ie(ndev_to_vif(ndev),
3592 VNDR_IE_BEACON_FLAG,
3593 settings->beacon.tail,
3594 settings->beacon.tail_len);
1a873342
HM		 3595 if (err)
3596 WL_ERR("Set Beacon IE Failed\n");
3597 else
3598 WL_TRACE("Applied Vndr IEs for Beacon\n");
3599
3600 /* Set Probe Response IEs to FW */
1332e26e
AS		 3601 err = brcmf_vif_set_mgmt_ie(ndev_to_vif(ndev),
3602 VNDR_IE_PRBRSP_FLAG,
3603 settings->beacon.proberesp_ies,
3604 settings->beacon.proberesp_ies_len);
1a873342
HM		 3605 if (err)
3606 WL_ERR("Set Probe Resp IE Failed\n");
3607 else
3608 WL_TRACE("Applied Vndr IEs for Probe Resp\n");
3609
3610 if (settings->beacon_interval) {
ac24be6f 3611 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
81f5dcb8 3612 settings->beacon_interval);
1a873342
HM		 3613 if (err < 0) {
3614 WL_ERR("Beacon Interval Set Error, %d\n", err);
3615 goto exit;
3616 }
3617 }
3618 if (settings->dtim_period) {
ac24be6f 3619 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
81f5dcb8 3620 settings->dtim_period);
1a873342
HM		 3621 if (err < 0) {
3622 WL_ERR("DTIM Interval Set Error, %d\n", err);
3623 goto exit;
3624 }
3625 }
ac24be6f 3626 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
1a873342
HM		 3627 if (err < 0) {
3628 WL_ERR("BRCMF_C_UP error (%d)\n", err);
3629 goto exit;
3630 }
3631
3632 memset(&join_params, 0, sizeof(join_params));
3633 /* join parameters starts with ssid */
3634 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
3635 /* create softap */
ac24be6f
AS		 3636 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
3637 &join_params, sizeof(join_params));
1a873342
HM		 3638 if (err < 0) {
3639 WL_ERR("SET SSID error (%d)\n", err);
3640 goto exit;
3641 }
c1179033
AS		 3642 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3643 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
1a873342
HM		 3644
3645exit:
3646 if (err)
3647 brcmf_set_mpc(ndev, 1);
3648 return err;
3649}
3650
3651static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
3652{
c1179033 3653 struct brcmf_if *ifp = netdev_priv(ndev);
27a68fe3 3654 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1a873342
HM		 3655 s32 err = -EPERM;
3656
3657 WL_TRACE("Enter\n");
3658
27a68fe3 3659 if (cfg->conf->mode == WL_MODE_AP) {
1a873342
HM		 3660 /* Due to most likely deauths outstanding we sleep */
3661 /* first to make sure they get processed by fw. */
3662 msleep(400);
ac24be6f
AS		 3663 err = brcmf_fil_cmd_int_set(netdev_priv(ndev),
3664 BRCMF_C_SET_AP, 0);
1a873342
HM		 3665 if (err < 0) {
3666 WL_ERR("setting AP mode failed %d\n", err);
3667 goto exit;
3668 }
ac24be6f 3669 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), BRCMF_C_UP, 0);
1a873342
HM		 3670 if (err < 0) {
3671 WL_ERR("BRCMF_C_UP error %d\n", err);
3672 goto exit;
3673 }
3674 brcmf_set_mpc(ndev, 1);
c1179033
AS		 3675 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3676 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
1a873342
HM		 3677 }
3678exit:
3679 return err;
3680}
3681
3682static int
3683brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
3684 u8 *mac)
3685{
3686 struct brcmf_scb_val_le scbval;
0abb5f21 3687 struct brcmf_if *ifp = netdev_priv(ndev);
1a873342
HM		 3688 s32 err;
3689
3690 if (!mac)
3691 return -EFAULT;
3692
3693 WL_TRACE("Enter %pM\n", mac);
3694
ce81e317 3695 if (!check_vif_up(ifp->vif))
1a873342
HM		 3696 return -EIO;
3697
3698 memcpy(&scbval.ea, mac, ETH_ALEN);
3699 scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
0abb5f21 3700 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
81f5dcb8 3701 &scbval, sizeof(scbval));
1a873342
HM		 3702 if (err)
3703 WL_ERR("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
3704
3705 WL_TRACE("Exit\n");
3706 return err;
3707}
3708
5b435de0
AS		 3709static struct cfg80211_ops wl_cfg80211_ops = {
3710 .change_virtual_intf = brcmf_cfg80211_change_iface,
3711 .scan = brcmf_cfg80211_scan,
3712 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
3713 .join_ibss = brcmf_cfg80211_join_ibss,
3714 .leave_ibss = brcmf_cfg80211_leave_ibss,
3715 .get_station = brcmf_cfg80211_get_station,
3716 .set_tx_power = brcmf_cfg80211_set_tx_power,
3717 .get_tx_power = brcmf_cfg80211_get_tx_power,
3718 .add_key = brcmf_cfg80211_add_key,
3719 .del_key = brcmf_cfg80211_del_key,
3720 .get_key = brcmf_cfg80211_get_key,
3721 .set_default_key = brcmf_cfg80211_config_default_key,
3722 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
3723 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
3724 .set_bitrate_mask = brcmf_cfg80211_set_bitrate_mask,
3725 .connect = brcmf_cfg80211_connect,
3726 .disconnect = brcmf_cfg80211_disconnect,
3727 .suspend = brcmf_cfg80211_suspend,
3728 .resume = brcmf_cfg80211_resume,
3729 .set_pmksa = brcmf_cfg80211_set_pmksa,
3730 .del_pmksa = brcmf_cfg80211_del_pmksa,
cbaa177d 3731 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
1a873342
HM		 3732 .start_ap = brcmf_cfg80211_start_ap,
3733 .stop_ap = brcmf_cfg80211_stop_ap,
3734 .del_station = brcmf_cfg80211_del_station,
e5806072
AS		 3735 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
3736 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
cbaa177d
AS		 3737#ifdef CONFIG_NL80211_TESTMODE
3738 .testmode_cmd = brcmf_cfg80211_testmode
3739#endif
5b435de0
AS		 3740};
3741
3742static s32 brcmf_mode_to_nl80211_iftype(s32 mode)
3743{
3744 s32 err = 0;
3745
3746 switch (mode) {
3747 case WL_MODE_BSS:
3748 return NL80211_IFTYPE_STATION;
3749 case WL_MODE_IBSS:
3750 return NL80211_IFTYPE_ADHOC;
3751 default:
3752 return NL80211_IFTYPE_UNSPECIFIED;
3753 }
3754
3755 return err;
3756}
3757
e5806072
AS		 3758static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
3759{
e5806072
AS		 3760 /* scheduled scan settings */
3761 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
3762 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
3763 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
3764 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
e5806072
AS		 3765}
3766
3eacf866 3767static struct wiphy *brcmf_setup_wiphy(struct device *phydev)
5b435de0 3768{
3eacf866 3769 struct wiphy *wiphy;
5b435de0
AS		 3770 s32 err = 0;
3771
3eacf866
AS		 3772 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
3773 if (!wiphy) {
bfeb4dbc 3774 WL_ERR("Could not allocate wiphy device\n");
3eacf866
AS		 3775 return ERR_PTR(-ENOMEM);
3776 }
3777 set_wiphy_dev(wiphy, phydev);
3778 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
3779 wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
3780 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3781 BIT(NL80211_IFTYPE_ADHOC) |
3782 BIT(NL80211_IFTYPE_AP);
3783 wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
3784 wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set
5b435de0
AS		 3785 * it as 11a by default.
3786 * This will be updated with
3787 * 11n phy tables in
3788 * "ifconfig up"
3789 * if phy has 11n capability
3790 */
3eacf866
AS		 3791 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3792 wiphy->cipher_suites = __wl_cipher_suites;
3793 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
3794 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power
5b435de0
AS		 3795 * save mode
3796 * by default
3797 */
3eacf866
AS		 3798 brcmf_wiphy_pno_params(wiphy);
3799 err = wiphy_register(wiphy);
5b435de0 3800 if (err < 0) {
bfeb4dbc 3801 WL_ERR("Could not register wiphy device (%d)\n", err);
3eacf866
AS		 3802 wiphy_free(wiphy);
3803 return ERR_PTR(err);
5b435de0 3804 }
3eacf866
AS		 3805 return wiphy;
3806}
3807
3808static
3809struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
3810 struct net_device *netdev,
3811 s32 mode, bool pm_block)
3812{
3813 struct brcmf_cfg80211_vif *vif;
5b435de0 3814
3eacf866
AS		 3815 if (cfg->vif_cnt == BRCMF_IFACE_MAX_CNT)
3816 return ERR_PTR(-ENOSPC);
5b435de0 3817
3eacf866
AS		 3818 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
3819 if (!vif)
3820 return ERR_PTR(-ENOMEM);
3821
3822 vif->wdev.wiphy = cfg->wiphy;
3823 vif->wdev.netdev = netdev;
3824 vif->wdev.iftype = brcmf_mode_to_nl80211_iftype(mode);
5b435de0 3825
3eacf866
AS		 3826 if (netdev) {
3827 vif->ifp = netdev_priv(netdev);
3828 netdev->ieee80211_ptr = &vif->wdev;
3829 SET_NETDEV_DEV(netdev, wiphy_dev(cfg->wiphy));
3830 }
3831
3832 vif->mode = mode;
3833 vif->pm_block = pm_block;
3834 vif->roam_off = -1;
3835
6ac4f4ed
AS		 3836 brcmf_init_prof(&vif->profile);
3837
3eacf866
AS		 3838 list_add_tail(&vif->list, &cfg->vif_list);
3839 cfg->vif_cnt++;
3840 return vif;
5b435de0
AS		 3841}
3842
3eacf866 3843static void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5b435de0 3844{
3eacf866
AS		 3845 struct brcmf_cfg80211_info *cfg;
3846 struct wiphy *wiphy;
5b435de0 3847
3eacf866
AS		 3848 wiphy = vif->wdev.wiphy;
3849 cfg = wiphy_priv(wiphy);
3850 list_del(&vif->list);
3851 cfg->vif_cnt--;
3852
3853 kfree(vif);
3854 if (!cfg->vif_cnt) {
3855 wiphy_unregister(wiphy);
3856 wiphy_free(wiphy);
5b435de0 3857 }
5b435de0
AS		 3858}
3859
27a68fe3 3860static bool brcmf_is_linkup(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 3861 const struct brcmf_event_msg *e)
3862{
3863 u32 event = be32_to_cpu(e->event_type);
3864 u32 status = be32_to_cpu(e->status);
3865
3866 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
3867 WL_CONN("Processing set ssid\n");
27a68fe3 3868 cfg->link_up = true;
5b435de0
AS		 3869 return true;
3870 }
3871
3872 return false;
3873}
3874
27a68fe3 3875static bool brcmf_is_linkdown(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 3876 const struct brcmf_event_msg *e)
3877{
3878 u32 event = be32_to_cpu(e->event_type);
3879 u16 flags = be16_to_cpu(e->flags);
3880
3881 if (event == BRCMF_E_LINK && (!(flags & BRCMF_EVENT_MSG_LINK))) {
3882 WL_CONN("Processing link down\n");
3883 return true;
3884 }
3885 return false;
3886}
3887
27a68fe3 3888static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 3889 const struct brcmf_event_msg *e)
3890{
3891 u32 event = be32_to_cpu(e->event_type);
3892 u32 status = be32_to_cpu(e->status);
3893
3894 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
3895 WL_CONN("Processing Link %s & no network found\n",
3896 be16_to_cpu(e->flags) & BRCMF_EVENT_MSG_LINK ?
3897 "up" : "down");
3898 return true;
3899 }
3900
3901 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
3902 WL_CONN("Processing connecting & no network found\n");
3903 return true;
3904 }
3905
3906 return false;
3907}
3908
27a68fe3 3909static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5b435de0 3910{
27a68fe3 3911 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 3912
3913 kfree(conn_info->req_ie);
3914 conn_info->req_ie = NULL;
3915 conn_info->req_ie_len = 0;
3916 kfree(conn_info->resp_ie);
3917 conn_info->resp_ie = NULL;
3918 conn_info->resp_ie_len = 0;
3919}
3920
27a68fe3 3921static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg)
5b435de0 3922{
ac24be6f 3923 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
c4e382d2 3924 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
27a68fe3 3925 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 3926 u32 req_len;
3927 u32 resp_len;
3928 s32 err = 0;
3929
27a68fe3 3930 brcmf_clear_assoc_ies(cfg);
5b435de0 3931
ac24be6f
AS		 3932 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
3933 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5b435de0
AS		 3934 if (err) {
3935 WL_ERR("could not get assoc info (%d)\n", err);
3936 return err;
3937 }
c4e382d2 3938 assoc_info =
27a68fe3 3939 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
c4e382d2
AS		 3940 req_len = le32_to_cpu(assoc_info->req_len);
3941 resp_len = le32_to_cpu(assoc_info->resp_len);
5b435de0 3942 if (req_len) {
ac24be6f 3943 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
81f5dcb8
HM		 3944 cfg->extra_buf,
3945 WL_ASSOC_INFO_MAX);
5b435de0
AS		 3946 if (err) {
3947 WL_ERR("could not get assoc req (%d)\n", err);
3948 return err;
3949 }
3950 conn_info->req_ie_len = req_len;
3951 conn_info->req_ie =
27a68fe3 3952 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5b435de0
AS		 3953 GFP_KERNEL);
3954 } else {
3955 conn_info->req_ie_len = 0;
3956 conn_info->req_ie = NULL;
3957 }
3958 if (resp_len) {
ac24be6f 3959 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
81f5dcb8
HM		 3960 cfg->extra_buf,
3961 WL_ASSOC_INFO_MAX);
5b435de0
AS		 3962 if (err) {
3963 WL_ERR("could not get assoc resp (%d)\n", err);
3964 return err;
3965 }
3966 conn_info->resp_ie_len = resp_len;
3967 conn_info->resp_ie =
27a68fe3 3968 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5b435de0
AS		 3969 GFP_KERNEL);
3970 } else {
3971 conn_info->resp_ie_len = 0;
3972 conn_info->resp_ie = NULL;
3973 }
3974 WL_CONN("req len (%d) resp len (%d)\n",
3975 conn_info->req_ie_len, conn_info->resp_ie_len);
3976
3977 return err;
3978}
3979
3980static s32
27a68fe3 3981brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 3982 struct net_device *ndev,
3983 const struct brcmf_event_msg *e)
3984{
c1179033
AS		 3985 struct brcmf_if *ifp = netdev_priv(ndev);
3986 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3
AS		 3987 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
3988 struct wiphy *wiphy = cfg_to_wiphy(cfg);
a180b83b 3989 struct ieee80211_channel *notify_channel = NULL;
5b435de0 3990 struct ieee80211_supported_band *band;
a180b83b 3991 struct brcmf_bss_info_le *bi;
5b435de0
AS		 3992 u32 freq;
3993 s32 err = 0;
3994 u32 target_channel;
a180b83b 3995 u8 *buf;
5b435de0
AS		 3996
3997 WL_TRACE("Enter\n");
3998
27a68fe3 3999 brcmf_get_assoc_ies(cfg);
6c8c4f72 4000 memcpy(profile->bssid, e->addr, ETH_ALEN);
27a68fe3 4001 brcmf_update_bss_info(cfg);
5b435de0 4002
a180b83b
FL		 4003 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
4004 if (buf == NULL) {
4005 err = -ENOMEM;
4006 goto done;
4007 }
4008
4009 /* data sent to dongle has to be little endian */
4010 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
c1179033 4011 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
ac24be6f 4012 buf, WL_BSS_INFO_MAX);
a180b83b
FL		 4013
4014 if (err)
4015 goto done;
5b435de0 4016
a180b83b
FL		 4017 bi = (struct brcmf_bss_info_le *)(buf + 4);
4018 target_channel = bi->ctl_ch ? bi->ctl_ch :
4019 CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec));
5b435de0
AS		 4020
4021 if (target_channel <= CH_MAX_2G_CHANNEL)
4022 band = wiphy->bands[IEEE80211_BAND_2GHZ];
4023 else
4024 band = wiphy->bands[IEEE80211_BAND_5GHZ];
4025
4026 freq = ieee80211_channel_to_frequency(target_channel, band->band);
4027 notify_channel = ieee80211_get_channel(wiphy, freq);
4028
a180b83b
FL		 4029done:
4030 kfree(buf);
06bb123e 4031 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
5b435de0
AS		 4032 conn_info->req_ie, conn_info->req_ie_len,
4033 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
4034 WL_CONN("Report roaming result\n");
4035
c1179033 4036 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
5b435de0
AS		 4037 WL_TRACE("Exit\n");
4038 return err;
4039}
4040
4041static s32
27a68fe3 4042brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4043 struct net_device *ndev, const struct brcmf_event_msg *e,
4044 bool completed)
4045{
c1179033
AS		 4046 struct brcmf_if *ifp = netdev_priv(ndev);
4047 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
27a68fe3 4048 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5b435de0
AS		 4049 s32 err = 0;
4050
4051 WL_TRACE("Enter\n");
4052
c1179033
AS		 4053 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4054 &ifp->vif->sme_state)) {
5b435de0 4055 if (completed) {
27a68fe3 4056 brcmf_get_assoc_ies(cfg);
6c8c4f72 4057 memcpy(profile->bssid, e->addr, ETH_ALEN);
27a68fe3 4058 brcmf_update_bss_info(cfg);
5b435de0
AS		 4059 }
4060 cfg80211_connect_result(ndev,
06bb123e 4061 (u8 *)profile->bssid,
5b435de0
AS		 4062 conn_info->req_ie,
4063 conn_info->req_ie_len,
4064 conn_info->resp_ie,
4065 conn_info->resp_ie_len,
4066 completed ? WLAN_STATUS_SUCCESS :
4067 WLAN_STATUS_AUTH_TIMEOUT,
4068 GFP_KERNEL);
4069 if (completed)
c1179033
AS		 4070 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4071 &ifp->vif->sme_state);
5b435de0
AS		 4072 WL_CONN("Report connect result - connection %s\n",
4073 completed ? "succeeded" : "failed");
4074 }
4075 WL_TRACE("Exit\n");
4076 return err;
4077}
4078
4079static s32
27a68fe3 4080brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
1a873342
HM		 4081 struct net_device *ndev,
4082 const struct brcmf_event_msg *e, void *data)
4083{
4084 s32 err = 0;
4085 u32 event = be32_to_cpu(e->event_type);
4086 u32 reason = be32_to_cpu(e->reason);
4087 u32 len = be32_to_cpu(e->datalen);
4088 static int generation;
4089
4090 struct station_info sinfo;
4091
4092 WL_CONN("event %d, reason %d\n", event, reason);
4093 memset(&sinfo, 0, sizeof(sinfo));
4094
4095 sinfo.filled = 0;
4096 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
4097 reason == BRCMF_E_STATUS_SUCCESS) {
4098 sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
4099 if (!data) {
4100 WL_ERR("No IEs present in ASSOC/REASSOC_IND");
4101 return -EINVAL;
4102 }
4103 sinfo.assoc_req_ies = data;
4104 sinfo.assoc_req_ies_len = len;
4105 generation++;
4106 sinfo.generation = generation;
4107 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_ATOMIC);
4108 } else if ((event == BRCMF_E_DISASSOC_IND) ||
4109 (event == BRCMF_E_DEAUTH_IND) ||
4110 (event == BRCMF_E_DEAUTH)) {
4111 generation++;
4112 sinfo.generation = generation;
4113 cfg80211_del_sta(ndev, e->addr, GFP_ATOMIC);
4114 }
4115 return err;
4116}
4117
5b435de0 4118static s32
27a68fe3 4119brcmf_notify_connect_status(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4120 struct net_device *ndev,
4121 const struct brcmf_event_msg *e, void *data)
4122{
c1179033
AS		 4123 struct brcmf_if *ifp = netdev_priv(ndev);
4124 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5b435de0
AS		 4125 s32 err = 0;
4126
27a68fe3
AS		 4127 if (cfg->conf->mode == WL_MODE_AP) {
4128 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
4129 } else if (brcmf_is_linkup(cfg, e)) {
5b435de0 4130 WL_CONN("Linkup\n");
27a68fe3 4131 if (brcmf_is_ibssmode(cfg)) {
6c8c4f72 4132 memcpy(profile->bssid, e->addr, ETH_ALEN);
27a68fe3 4133 wl_inform_ibss(cfg, ndev, e->addr);
5b435de0 4134 cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL);
c1179033
AS		 4135 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4136 &ifp->vif->sme_state);
4137 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4138 &ifp->vif->sme_state);
5b435de0 4139 } else
27a68fe3
AS		 4140 brcmf_bss_connect_done(cfg, ndev, e, true);
4141 } else if (brcmf_is_linkdown(cfg, e)) {
5b435de0 4142 WL_CONN("Linkdown\n");
27a68fe3 4143 if (brcmf_is_ibssmode(cfg)) {
c1179033
AS		 4144 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4145 &ifp->vif->sme_state);
4146 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED,
4147 &ifp->vif->sme_state))
27a68fe3 4148 brcmf_link_down(cfg);
5b435de0 4149 } else {
27a68fe3 4150 brcmf_bss_connect_done(cfg, ndev, e, false);
c1179033
AS		 4151 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED,
4152 &ifp->vif->sme_state)) {
5b435de0 4153 cfg80211_disconnected(ndev, 0, NULL, 0,
c1179033 4154 GFP_KERNEL);
27a68fe3 4155 brcmf_link_down(cfg);
5b435de0
AS		 4156 }
4157 }
6ac4f4ed 4158 brcmf_init_prof(ndev_to_prof(ndev));
27a68fe3
AS		 4159 } else if (brcmf_is_nonetwork(cfg, e)) {
4160 if (brcmf_is_ibssmode(cfg))
c1179033
AS		 4161 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4162 &ifp->vif->sme_state);
5b435de0 4163 else
27a68fe3 4164 brcmf_bss_connect_done(cfg, ndev, e, false);
5b435de0
AS		 4165 }
4166
4167 return err;
4168}
4169
4170static s32
27a68fe3 4171brcmf_notify_roaming_status(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4172 struct net_device *ndev,
4173 const struct brcmf_event_msg *e, void *data)
4174{
c1179033 4175 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 4176 s32 err = 0;
4177 u32 event = be32_to_cpu(e->event_type);
4178 u32 status = be32_to_cpu(e->status);
4179
4180 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
c1179033 4181 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
27a68fe3 4182 brcmf_bss_roaming_done(cfg, ndev, e);
5b435de0 4183 else
27a68fe3 4184 brcmf_bss_connect_done(cfg, ndev, e, true);
5b435de0
AS		 4185 }
4186
4187 return err;
4188}
4189
4190static s32
27a68fe3 4191brcmf_notify_mic_status(struct brcmf_cfg80211_info *cfg,
5b435de0
AS		 4192 struct net_device *ndev,
4193 const struct brcmf_event_msg *e, void *data)
4194{
4195 u16 flags = be16_to_cpu(e->flags);
4196 enum nl80211_key_type key_type;
4197
4198 if (flags & BRCMF_EVENT_MSG_GROUP)
4199 key_type = NL80211_KEYTYPE_GROUP;
4200 else
4201 key_type = NL80211_KEYTYPE_PAIRWISE;
4202
4203 cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1,
4204 NULL, GFP_KERNEL);
4205
4206 return 0;
4207}
4208
5b435de0
AS		 4209static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
4210{
4211 conf->mode = (u32)-1;
4212 conf->frag_threshold = (u32)-1;
4213 conf->rts_threshold = (u32)-1;
4214 conf->retry_short = (u32)-1;
4215 conf->retry_long = (u32)-1;
4216 conf->tx_power = -1;
4217}
4218
4219static void brcmf_init_eloop_handler(struct brcmf_cfg80211_event_loop *el)
4220{
4221 memset(el, 0, sizeof(*el));
5b435de0 4222 el->handler[BRCMF_E_LINK] = brcmf_notify_connect_status;
1a873342
HM		 4223 el->handler[BRCMF_E_DEAUTH_IND] = brcmf_notify_connect_status;
4224 el->handler[BRCMF_E_DEAUTH] = brcmf_notify_connect_status;
4225 el->handler[BRCMF_E_DISASSOC_IND] = brcmf_notify_connect_status;
4226 el->handler[BRCMF_E_ASSOC_IND] = brcmf_notify_connect_status;
4227 el->handler[BRCMF_E_REASSOC_IND] = brcmf_notify_connect_status;
5b435de0
AS		 4228 el->handler[BRCMF_E_ROAM] = brcmf_notify_roaming_status;
4229 el->handler[BRCMF_E_MIC_ERROR] = brcmf_notify_mic_status;
4230 el->handler[BRCMF_E_SET_SSID] = brcmf_notify_connect_status;
e5806072 4231 el->handler[BRCMF_E_PFN_NET_FOUND] = brcmf_notify_sched_scan_results;
5b435de0
AS		 4232}
4233
27a68fe3
AS		 4234static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
4235{
27a68fe3
AS		 4236 kfree(cfg->conf);
4237 cfg->conf = NULL;
27a68fe3
AS		 4238 kfree(cfg->escan_ioctl_buf);
4239 cfg->escan_ioctl_buf = NULL;
27a68fe3
AS		 4240 kfree(cfg->extra_buf);
4241 cfg->extra_buf = NULL;
27a68fe3
AS		 4242 kfree(cfg->pmk_list);
4243 cfg->pmk_list = NULL;
27a68fe3
AS		 4244}
4245
4246static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
4247{
27a68fe3
AS		 4248 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
4249 if (!cfg->conf)
5b435de0 4250 goto init_priv_mem_out;
27a68fe3
AS		 4251 cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
4252 if (!cfg->escan_ioctl_buf)
e756af5b 4253 goto init_priv_mem_out;
27a68fe3
AS		 4254 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
4255 if (!cfg->extra_buf)
5b435de0 4256 goto init_priv_mem_out;
27a68fe3
AS		 4257 cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
4258 if (!cfg->pmk_list)
5b435de0
AS		 4259 goto init_priv_mem_out;
4260
4261 return 0;
4262
4263init_priv_mem_out:
27a68fe3 4264 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 4265
4266 return -ENOMEM;
4267}
4268
4269/*
4270* retrieve first queued event from head
4271*/
4272
4273static struct brcmf_cfg80211_event_q *brcmf_deq_event(
27a68fe3 4274 struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 4275{
4276 struct brcmf_cfg80211_event_q *e = NULL;
4277
27a68fe3
AS		 4278 spin_lock_irq(&cfg->evt_q_lock);
4279 if (!list_empty(&cfg->evt_q_list)) {
4280 e = list_first_entry(&cfg->evt_q_list,
5b435de0
AS		 4281 struct brcmf_cfg80211_event_q, evt_q_list);
4282 list_del(&e->evt_q_list);
4283 }
27a68fe3 4284 spin_unlock_irq(&cfg->evt_q_lock);
5b435de0
AS		 4285
4286 return e;
4287}
4288
4289/*
bcbec9e7
AS		 4290* push event to tail of the queue
4291*
4292* remark: this function may not sleep as it is called in atomic context.
5b435de0
AS		 4293*/
4294
4295static s32
27a68fe3 4296brcmf_enq_event(struct brcmf_cfg80211_info *cfg, u32 event,
c4fdb056 4297 const struct brcmf_event_msg *msg, void *data)
5b435de0
AS		 4298{
4299 struct brcmf_cfg80211_event_q *e;
4300 s32 err = 0;
cf44066a 4301 ulong flags;
c4fdb056
HM		 4302 u32 data_len;
4303 u32 total_len;
5b435de0 4304
c4fdb056
HM		 4305 total_len = sizeof(struct brcmf_cfg80211_event_q);
4306 if (data)
4307 data_len = be32_to_cpu(msg->datalen);
4308 else
4309 data_len = 0;
4310 total_len += data_len;
4311 e = kzalloc(total_len, GFP_ATOMIC);
5b435de0
AS		 4312 if (!e)
4313 return -ENOMEM;
4314
4315 e->etype = event;
4316 memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg));
c4fdb056
HM		 4317 if (data)
4318 memcpy(&e->edata, data, data_len);
5b435de0 4319
27a68fe3
AS		 4320 spin_lock_irqsave(&cfg->evt_q_lock, flags);
4321 list_add_tail(&e->evt_q_list, &cfg->evt_q_list);
4322 spin_unlock_irqrestore(&cfg->evt_q_lock, flags);
5b435de0
AS		 4323
4324 return err;
4325}
4326
4327static void brcmf_put_event(struct brcmf_cfg80211_event_q *e)
4328{
4329 kfree(e);
4330}
4331
4332static void brcmf_cfg80211_event_handler(struct work_struct *work)
4333{
27a68fe3
AS		 4334 struct brcmf_cfg80211_info *cfg =
4335 container_of(work, struct brcmf_cfg80211_info,
5b435de0
AS		 4336 event_work);
4337 struct brcmf_cfg80211_event_q *e;
4338
27a68fe3 4339 e = brcmf_deq_event(cfg);
5b435de0
AS		 4340 if (unlikely(!e)) {
4341 WL_ERR("event queue empty...\n");
4342 return;
4343 }
4344
4345 do {
4346 WL_INFO("event type (%d)\n", e->etype);
27a68fe3
AS		 4347 if (cfg->el.handler[e->etype])
4348 cfg->el.handler[e->etype](cfg,
4349 cfg_to_ndev(cfg),
5b435de0
AS		 4350 &e->emsg, e->edata);
4351 else
4352 WL_INFO("Unknown Event (%d): ignoring\n", e->etype);
4353 brcmf_put_event(e);
27a68fe3 4354 } while ((e = brcmf_deq_event(cfg)));
5b435de0
AS		 4355
4356}
4357
27a68fe3 4358static void brcmf_init_eq(struct brcmf_cfg80211_info *cfg)
5b435de0 4359{
27a68fe3
AS		 4360 spin_lock_init(&cfg->evt_q_lock);
4361 INIT_LIST_HEAD(&cfg->evt_q_list);
5b435de0
AS		 4362}
4363
27a68fe3 4364static void brcmf_flush_eq(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 4365{
4366 struct brcmf_cfg80211_event_q *e;
4367
27a68fe3
AS		 4368 spin_lock_irq(&cfg->evt_q_lock);
4369 while (!list_empty(&cfg->evt_q_list)) {
4370 e = list_first_entry(&cfg->evt_q_list,
5b435de0
AS		 4371 struct brcmf_cfg80211_event_q, evt_q_list);
4372 list_del(&e->evt_q_list);
4373 kfree(e);
4374 }
27a68fe3 4375 spin_unlock_irq(&cfg->evt_q_lock);
5b435de0
AS		 4376}
4377
27a68fe3 4378static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 4379{
4380 s32 err = 0;
4381
27a68fe3
AS		 4382 cfg->scan_request = NULL;
4383 cfg->pwr_save = true;
27a68fe3 4384 cfg->roam_on = true; /* roam on & off switch.
5b435de0 4385 we enable roam per default */
27a68fe3 4386 cfg->active_scan = true; /* we do active scan for
5b435de0 4387 specific scan per default */
27a68fe3
AS		 4388 cfg->dongle_up = false; /* dongle is not up yet */
4389 brcmf_init_eq(cfg);
4390 err = brcmf_init_priv_mem(cfg);
5b435de0
AS		 4391 if (err)
4392 return err;
27a68fe3
AS		 4393 INIT_WORK(&cfg->event_work, brcmf_cfg80211_event_handler);
4394 brcmf_init_eloop_handler(&cfg->el);
4395 mutex_init(&cfg->usr_sync);
27a68fe3
AS		 4396 brcmf_init_escan(cfg);
4397 brcmf_init_conf(cfg->conf);
27a68fe3 4398 brcmf_link_down(cfg);
5b435de0
AS		 4399
4400 return err;
4401}
4402
27a68fe3 4403static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5b435de0 4404{
27a68fe3
AS		 4405 cancel_work_sync(&cfg->event_work);
4406 cfg->dongle_up = false; /* dongle down */
4407 brcmf_flush_eq(cfg);
4408 brcmf_link_down(cfg);
4409 brcmf_abort_scanning(cfg);
4410 brcmf_deinit_priv_mem(cfg);
5b435de0
AS		 4411}
4412
1ed9baf0 4413struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr)
5b435de0 4414{
1ed9baf0
AS		 4415 struct net_device *ndev = drvr->iflist[0]->ndev;
4416 struct device *busdev = drvr->dev;
27a68fe3 4417 struct brcmf_cfg80211_info *cfg;
3eacf866
AS		 4418 struct wiphy *wiphy;
4419 struct brcmf_cfg80211_vif *vif;
4420 struct brcmf_if *ifp;
5b435de0
AS		 4421 s32 err = 0;
4422
4423 if (!ndev) {
4424 WL_ERR("ndev is invalid\n");
4425 return NULL;
4426 }
5b435de0 4427
3eacf866
AS		 4428 ifp = netdev_priv(ndev);
4429 wiphy = brcmf_setup_wiphy(busdev);
4430 if (IS_ERR(wiphy))
5b435de0 4431 return NULL;
5b435de0 4432
3eacf866
AS		 4433 cfg = wiphy_priv(wiphy);
4434 cfg->wiphy = wiphy;
27a68fe3 4435 cfg->pub = drvr;
3eacf866
AS		 4436 INIT_LIST_HEAD(&cfg->vif_list);
4437
4438 vif = brcmf_alloc_vif(cfg, ndev, WL_MODE_BSS, false);
4439 if (IS_ERR(vif)) {
4440 wiphy_free(wiphy);
4441 return NULL;
4442 }
4443
27a68fe3 4444 err = wl_init_priv(cfg);
5b435de0
AS		 4445 if (err) {
4446 WL_ERR("Failed to init iwm_priv (%d)\n", err);
4447 goto cfg80211_attach_out;
4448 }
5b435de0 4449
3eacf866 4450 ifp->vif = vif;
27a68fe3 4451 return cfg;
5b435de0
AS		 4452
4453cfg80211_attach_out:
3eacf866 4454 brcmf_free_vif(vif);
5b435de0
AS		 4455 return NULL;
4456}
4457
27a68fe3 4458void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
5b435de0 4459{
3eacf866
AS		 4460 struct brcmf_cfg80211_vif *vif;
4461 struct brcmf_cfg80211_vif *tmp;
4462
27a68fe3 4463 wl_deinit_priv(cfg);
3eacf866
AS		 4464 list_for_each_entry_safe(vif, tmp, &cfg->vif_list, list) {
4465 brcmf_free_vif(vif);
4466 }
5b435de0
AS		 4467}
4468
4469void
4470brcmf_cfg80211_event(struct net_device *ndev,
4471 const struct brcmf_event_msg *e, void *data)
4472{
4473 u32 event_type = be32_to_cpu(e->event_type);
27a68fe3 4474 struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev);
5b435de0 4475
27a68fe3
AS		 4476 if (!brcmf_enq_event(cfg, event_type, e, data))
4477 schedule_work(&cfg->event_work);
5b435de0
AS		 4478}
4479
5b435de0
AS		 4480static s32 brcmf_dongle_eventmsg(struct net_device *ndev)
4481{
5b435de0
AS		 4482 s8 eventmask[BRCMF_EVENTING_MASK_LEN];
4483 s32 err = 0;
4484
4485 WL_TRACE("Enter\n");
4486
4487 /* Setup event_msgs */
ac24be6f
AS		 4488 err = brcmf_fil_iovar_data_get(netdev_priv(ndev), "event_msgs",
4489 eventmask, BRCMF_EVENTING_MASK_LEN);
5b435de0
AS		 4490 if (err) {
4491 WL_ERR("Get event_msgs error (%d)\n", err);
4492 goto dongle_eventmsg_out;
4493 }
5b435de0
AS		 4494
4495 setbit(eventmask, BRCMF_E_SET_SSID);
4496 setbit(eventmask, BRCMF_E_ROAM);
4497 setbit(eventmask, BRCMF_E_PRUNE);
4498 setbit(eventmask, BRCMF_E_AUTH);
4499 setbit(eventmask, BRCMF_E_REASSOC);
4500 setbit(eventmask, BRCMF_E_REASSOC_IND);
4501 setbit(eventmask, BRCMF_E_DEAUTH_IND);
4502 setbit(eventmask, BRCMF_E_DISASSOC_IND);
4503 setbit(eventmask, BRCMF_E_DISASSOC);
4504 setbit(eventmask, BRCMF_E_JOIN);
4505 setbit(eventmask, BRCMF_E_ASSOC_IND);
4506 setbit(eventmask, BRCMF_E_PSK_SUP);
4507 setbit(eventmask, BRCMF_E_LINK);
4508 setbit(eventmask, BRCMF_E_NDIS_LINK);
4509 setbit(eventmask, BRCMF_E_MIC_ERROR);
4510 setbit(eventmask, BRCMF_E_PMKID_CACHE);
4511 setbit(eventmask, BRCMF_E_TXFAIL);
4512 setbit(eventmask, BRCMF_E_JOIN_START);
e756af5b 4513 setbit(eventmask, BRCMF_E_ESCAN_RESULT);
e5806072 4514 setbit(eventmask, BRCMF_E_PFN_NET_FOUND);
5b435de0 4515
ac24be6f
AS		 4516 err = brcmf_fil_iovar_data_set(netdev_priv(ndev), "event_msgs",
4517 eventmask, BRCMF_EVENTING_MASK_LEN);
5b435de0
AS		 4518 if (err) {
4519 WL_ERR("Set event_msgs error (%d)\n", err);
4520 goto dongle_eventmsg_out;
4521 }
4522
4523dongle_eventmsg_out:
4524 WL_TRACE("Exit\n");
4525 return err;
4526}
4527
4528static s32
4529brcmf_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout)
4530{
ac24be6f 4531 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0 4532 s32 err = 0;
f588bc0c
AS		 4533 __le32 roamtrigger[2];
4534 __le32 roam_delta[2];
5b435de0
AS		 4535
4536 /*
4537 * Setup timeout if Beacons are lost and roam is
4538 * off to report link down
4539 */
4540 if (roamvar) {
ac24be6f 4541 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5b435de0
AS		 4542 if (err) {
4543 WL_ERR("bcn_timeout error (%d)\n", err);
4544 goto dongle_rom_out;
4545 }
4546 }
4547
4548 /*
4549 * Enable/Disable built-in roaming to allow supplicant
4550 * to take care of roaming
4551 */
4552 WL_INFO("Internal Roaming = %s\n", roamvar ? "Off" : "On");
ac24be6f 4553 err = brcmf_fil_iovar_int_set(ifp, "roam_off", roamvar);
5b435de0
AS		 4554 if (err) {
4555 WL_ERR("roam_off error (%d)\n", err);
4556 goto dongle_rom_out;
4557 }
4558
f588bc0c
AS		 4559 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
4560 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 4561 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
81f5dcb8 4562 (void *)roamtrigger, sizeof(roamtrigger));
5b435de0
AS		 4563 if (err) {
4564 WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
4565 goto dongle_rom_out;
4566 }
4567
f588bc0c
AS		 4568 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
4569 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
ac24be6f 4570 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
81f5dcb8 4571 (void *)roam_delta, sizeof(roam_delta));
5b435de0
AS		 4572 if (err) {
4573 WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err);
4574 goto dongle_rom_out;
4575 }
4576
4577dongle_rom_out:
4578 return err;
4579}
4580
4581static s32
4582brcmf_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time,
c68cdc0f 4583 s32 scan_unassoc_time, s32 scan_passive_time)
5b435de0 4584{
ac24be6f 4585 struct brcmf_if *ifp = netdev_priv(ndev);
5b435de0
AS		 4586 s32 err = 0;
4587
ac24be6f 4588 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
81f5dcb8 4589 scan_assoc_time);
5b435de0
AS		 4590 if (err) {
4591 if (err == -EOPNOTSUPP)
4592 WL_INFO("Scan assoc time is not supported\n");
4593 else
4594 WL_ERR("Scan assoc time error (%d)\n", err);
4595 goto dongle_scantime_out;
4596 }
ac24be6f 4597 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
81f5dcb8 4598 scan_unassoc_time);
5b435de0
AS		 4599 if (err) {
4600 if (err == -EOPNOTSUPP)
4601 WL_INFO("Scan unassoc time is not supported\n");
4602 else
4603 WL_ERR("Scan unassoc time error (%d)\n", err);
4604 goto dongle_scantime_out;
4605 }
4606
ac24be6f 4607 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
81f5dcb8 4608 scan_passive_time);
5b435de0
AS		 4609 if (err) {
4610 if (err == -EOPNOTSUPP)
4611 WL_INFO("Scan passive time is not supported\n");
4612 else
4613 WL_ERR("Scan passive time error (%d)\n", err);
4614 goto dongle_scantime_out;
4615 }
4616
4617dongle_scantime_out:
4618 return err;
4619}
4620
27a68fe3 4621static s32 wl_update_wiphybands(struct brcmf_cfg80211_info *cfg)
5b435de0 4622{
ac24be6f 4623 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5b435de0
AS		 4624 struct wiphy *wiphy;
4625 s32 phy_list;
4626 s8 phy;
4627 s32 err = 0;
4628
ac24be6f 4629 err = brcmf_fil_cmd_data_get(ifp, BRCM_GET_PHYLIST,
81f5dcb8 4630 &phy_list, sizeof(phy_list));
5b435de0
AS		 4631 if (err) {
4632 WL_ERR("error (%d)\n", err);
4633 return err;
4634 }
4635
3ba81376 4636 phy = ((char *)&phy_list)[0];
5b435de0
AS		 4637 WL_INFO("%c phy\n", phy);
4638 if (phy == 'n' || phy == 'a') {
27a68fe3 4639 wiphy = cfg_to_wiphy(cfg);
5b435de0
AS		 4640 wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n;
4641 }
4642
4643 return err;
4644}
4645
27a68fe3 4646static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_info *cfg)
5b435de0 4647{
27a68fe3 4648 return wl_update_wiphybands(cfg);
5b435de0
AS		 4649}
4650
27a68fe3 4651static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5b435de0
AS		 4652{
4653 struct net_device *ndev;
4654 struct wireless_dev *wdev;
4655 s32 power_mode;
4656 s32 err = 0;
4657
27a68fe3 4658 if (cfg->dongle_up)
5b435de0
AS		 4659 return err;
4660
27a68fe3 4661 ndev = cfg_to_ndev(cfg);
5b435de0
AS		 4662 wdev = ndev->ieee80211_ptr;
4663
4664 brcmf_dongle_scantime(ndev, WL_SCAN_CHANNEL_TIME,
4665 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
4666
4667 err = brcmf_dongle_eventmsg(ndev);
4668 if (err)
4669 goto default_conf_out;
4670
27a68fe3 4671 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
ac24be6f
AS		 4672 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), BRCMF_C_SET_PM,
4673 power_mode);
5b435de0
AS		 4674 if (err)
4675 goto default_conf_out;
4676 WL_INFO("power save set to %s\n",
4677 (power_mode ? "enabled" : "disabled"));
4678
27a68fe3 4679 err = brcmf_dongle_roam(ndev, (cfg->roam_on ? 0 : 1),
5b435de0
AS		 4680 WL_BEACON_TIMEOUT);
4681 if (err)
4682 goto default_conf_out;
5dd161ff
FL		 4683 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
4684 NULL, NULL);
5b435de0
AS		 4685 if (err && err != -EINPROGRESS)
4686 goto default_conf_out;
27a68fe3 4687 err = brcmf_dongle_probecap(cfg);
5b435de0
AS		 4688 if (err)
4689 goto default_conf_out;
4690
4691 /* -EINPROGRESS: Call commit handler */
4692
4693default_conf_out:
4694
27a68fe3 4695 cfg->dongle_up = true;
5b435de0
AS		 4696
4697 return err;
4698
4699}
4700
27a68fe3 4701static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg)
5b435de0 4702{
c1179033 4703 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5b435de0 4704
c1179033 4705 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 4706
f0799895 4707 return brcmf_config_dongle(cfg);
5b435de0
AS		 4708}
4709
27a68fe3 4710static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg)
5b435de0 4711{
c1179033
AS		 4712 struct net_device *ndev = cfg_to_ndev(cfg);
4713 struct brcmf_if *ifp = netdev_priv(ndev);
4714
5b435de0
AS		 4715 /*
4716 * While going down, if associated with AP disassociate
4717 * from AP to save power
4718 */
c1179033
AS		 4719 if ((test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state) ||
4720 test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) &&
ce81e317 4721 check_vif_up(ifp->vif)) {
5b435de0 4722 WL_INFO("Disassociating from AP");
27a68fe3 4723 brcmf_link_down(cfg);
5b435de0
AS		 4724
4725 /* Make sure WPA_Supplicant receives all the event
4726 generated due to DISASSOC call to the fw to keep
4727 the state fw and WPA_Supplicant state consistent
4728 */
4729 brcmf_delay(500);
4730 }
4731
27a68fe3 4732 brcmf_abort_scanning(cfg);
c1179033 4733 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5b435de0 4734
5b435de0
AS		 4735 return 0;
4736}
4737
27a68fe3 4738s32 brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg)
5b435de0 4739{
5b435de0
AS		 4740 s32 err = 0;
4741
27a68fe3
AS		 4742 mutex_lock(&cfg->usr_sync);
4743 err = __brcmf_cfg80211_up(cfg);
4744 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 4745
4746 return err;
4747}
4748
27a68fe3 4749s32 brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg)
5b435de0 4750{
5b435de0
AS		 4751 s32 err = 0;
4752
27a68fe3
AS		 4753 mutex_lock(&cfg->usr_sync);
4754 err = __brcmf_cfg80211_down(cfg);
4755 mutex_unlock(&cfg->usr_sync);
5b435de0
AS		 4756
4757 return err;
4758}
4759
Linux kernel - Deliverables
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