2 * Copyright (c) 2010 Broadcom Corporation
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.
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.
17 /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */
19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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>
32 #include <brcmu_utils.h>
34 #include <brcmu_wifi.h>
36 #include "wl_cfg80211.h"
38 #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
39 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
41 static const u8 ether_bcast
[ETH_ALEN
] = {255, 255, 255, 255, 255, 255};
43 static u32 brcmf_dbg_level
= WL_DBG_ERR
;
45 static void brcmf_set_drvdata(struct brcmf_cfg80211_dev
*dev
, void *data
)
47 dev
->driver_data
= data
;
50 static void *brcmf_get_drvdata(struct brcmf_cfg80211_dev
*dev
)
55 data
= dev
->driver_data
;
60 struct brcmf_cfg80211_priv
*brcmf_priv_get(struct brcmf_cfg80211_dev
*cfg_dev
)
62 struct brcmf_cfg80211_iface
*ci
= brcmf_get_drvdata(cfg_dev
);
66 static bool check_sys_up(struct wiphy
*wiphy
)
68 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
69 if (!test_bit(WL_STATUS_READY
, &cfg_priv
->status
)) {
70 WL_INFO("device is not ready : status (%d)\n",
71 (int)cfg_priv
->status
);
77 #define CHAN2G(_channel, _freq, _flags) { \
78 .band = IEEE80211_BAND_2GHZ, \
79 .center_freq = (_freq), \
80 .hw_value = (_channel), \
82 .max_antenna_gain = 0, \
86 #define CHAN5G(_channel, _flags) { \
87 .band = IEEE80211_BAND_5GHZ, \
88 .center_freq = 5000 + (5 * (_channel)), \
89 .hw_value = (_channel), \
91 .max_antenna_gain = 0, \
95 #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
96 #define RATETAB_ENT(_rateid, _flags) \
98 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
99 .hw_value = (_rateid), \
103 static struct ieee80211_rate __wl_rates
[] = {
104 RATETAB_ENT(BRCM_RATE_1M
, 0),
105 RATETAB_ENT(BRCM_RATE_2M
, IEEE80211_RATE_SHORT_PREAMBLE
),
106 RATETAB_ENT(BRCM_RATE_5M5
, IEEE80211_RATE_SHORT_PREAMBLE
),
107 RATETAB_ENT(BRCM_RATE_11M
, IEEE80211_RATE_SHORT_PREAMBLE
),
108 RATETAB_ENT(BRCM_RATE_6M
, 0),
109 RATETAB_ENT(BRCM_RATE_9M
, 0),
110 RATETAB_ENT(BRCM_RATE_12M
, 0),
111 RATETAB_ENT(BRCM_RATE_18M
, 0),
112 RATETAB_ENT(BRCM_RATE_24M
, 0),
113 RATETAB_ENT(BRCM_RATE_36M
, 0),
114 RATETAB_ENT(BRCM_RATE_48M
, 0),
115 RATETAB_ENT(BRCM_RATE_54M
, 0),
118 #define wl_a_rates (__wl_rates + 4)
119 #define wl_a_rates_size 8
120 #define wl_g_rates (__wl_rates + 0)
121 #define wl_g_rates_size 12
123 static struct ieee80211_channel __wl_2ghz_channels
[] = {
140 static struct ieee80211_channel __wl_5ghz_a_channels
[] = {
141 CHAN5G(34, 0), CHAN5G(36, 0),
142 CHAN5G(38, 0), CHAN5G(40, 0),
143 CHAN5G(42, 0), CHAN5G(44, 0),
144 CHAN5G(46, 0), CHAN5G(48, 0),
145 CHAN5G(52, 0), CHAN5G(56, 0),
146 CHAN5G(60, 0), CHAN5G(64, 0),
147 CHAN5G(100, 0), CHAN5G(104, 0),
148 CHAN5G(108, 0), CHAN5G(112, 0),
149 CHAN5G(116, 0), CHAN5G(120, 0),
150 CHAN5G(124, 0), CHAN5G(128, 0),
151 CHAN5G(132, 0), CHAN5G(136, 0),
152 CHAN5G(140, 0), CHAN5G(149, 0),
153 CHAN5G(153, 0), CHAN5G(157, 0),
154 CHAN5G(161, 0), CHAN5G(165, 0),
155 CHAN5G(184, 0), CHAN5G(188, 0),
156 CHAN5G(192, 0), CHAN5G(196, 0),
157 CHAN5G(200, 0), CHAN5G(204, 0),
158 CHAN5G(208, 0), CHAN5G(212, 0),
162 static struct ieee80211_channel __wl_5ghz_n_channels
[] = {
163 CHAN5G(32, 0), CHAN5G(34, 0),
164 CHAN5G(36, 0), CHAN5G(38, 0),
165 CHAN5G(40, 0), CHAN5G(42, 0),
166 CHAN5G(44, 0), CHAN5G(46, 0),
167 CHAN5G(48, 0), CHAN5G(50, 0),
168 CHAN5G(52, 0), CHAN5G(54, 0),
169 CHAN5G(56, 0), CHAN5G(58, 0),
170 CHAN5G(60, 0), CHAN5G(62, 0),
171 CHAN5G(64, 0), CHAN5G(66, 0),
172 CHAN5G(68, 0), CHAN5G(70, 0),
173 CHAN5G(72, 0), CHAN5G(74, 0),
174 CHAN5G(76, 0), CHAN5G(78, 0),
175 CHAN5G(80, 0), CHAN5G(82, 0),
176 CHAN5G(84, 0), CHAN5G(86, 0),
177 CHAN5G(88, 0), CHAN5G(90, 0),
178 CHAN5G(92, 0), CHAN5G(94, 0),
179 CHAN5G(96, 0), CHAN5G(98, 0),
180 CHAN5G(100, 0), CHAN5G(102, 0),
181 CHAN5G(104, 0), CHAN5G(106, 0),
182 CHAN5G(108, 0), CHAN5G(110, 0),
183 CHAN5G(112, 0), CHAN5G(114, 0),
184 CHAN5G(116, 0), CHAN5G(118, 0),
185 CHAN5G(120, 0), CHAN5G(122, 0),
186 CHAN5G(124, 0), CHAN5G(126, 0),
187 CHAN5G(128, 0), CHAN5G(130, 0),
188 CHAN5G(132, 0), CHAN5G(134, 0),
189 CHAN5G(136, 0), CHAN5G(138, 0),
190 CHAN5G(140, 0), CHAN5G(142, 0),
191 CHAN5G(144, 0), CHAN5G(145, 0),
192 CHAN5G(146, 0), CHAN5G(147, 0),
193 CHAN5G(148, 0), CHAN5G(149, 0),
194 CHAN5G(150, 0), CHAN5G(151, 0),
195 CHAN5G(152, 0), CHAN5G(153, 0),
196 CHAN5G(154, 0), CHAN5G(155, 0),
197 CHAN5G(156, 0), CHAN5G(157, 0),
198 CHAN5G(158, 0), CHAN5G(159, 0),
199 CHAN5G(160, 0), CHAN5G(161, 0),
200 CHAN5G(162, 0), CHAN5G(163, 0),
201 CHAN5G(164, 0), CHAN5G(165, 0),
202 CHAN5G(166, 0), CHAN5G(168, 0),
203 CHAN5G(170, 0), CHAN5G(172, 0),
204 CHAN5G(174, 0), CHAN5G(176, 0),
205 CHAN5G(178, 0), CHAN5G(180, 0),
206 CHAN5G(182, 0), CHAN5G(184, 0),
207 CHAN5G(186, 0), CHAN5G(188, 0),
208 CHAN5G(190, 0), CHAN5G(192, 0),
209 CHAN5G(194, 0), CHAN5G(196, 0),
210 CHAN5G(198, 0), CHAN5G(200, 0),
211 CHAN5G(202, 0), CHAN5G(204, 0),
212 CHAN5G(206, 0), CHAN5G(208, 0),
213 CHAN5G(210, 0), CHAN5G(212, 0),
214 CHAN5G(214, 0), CHAN5G(216, 0),
215 CHAN5G(218, 0), CHAN5G(220, 0),
216 CHAN5G(222, 0), CHAN5G(224, 0),
217 CHAN5G(226, 0), CHAN5G(228, 0),
220 static struct ieee80211_supported_band __wl_band_2ghz
= {
221 .band
= IEEE80211_BAND_2GHZ
,
222 .channels
= __wl_2ghz_channels
,
223 .n_channels
= ARRAY_SIZE(__wl_2ghz_channels
),
224 .bitrates
= wl_g_rates
,
225 .n_bitrates
= wl_g_rates_size
,
228 static struct ieee80211_supported_band __wl_band_5ghz_a
= {
229 .band
= IEEE80211_BAND_5GHZ
,
230 .channels
= __wl_5ghz_a_channels
,
231 .n_channels
= ARRAY_SIZE(__wl_5ghz_a_channels
),
232 .bitrates
= wl_a_rates
,
233 .n_bitrates
= wl_a_rates_size
,
236 static struct ieee80211_supported_band __wl_band_5ghz_n
= {
237 .band
= IEEE80211_BAND_5GHZ
,
238 .channels
= __wl_5ghz_n_channels
,
239 .n_channels
= ARRAY_SIZE(__wl_5ghz_n_channels
),
240 .bitrates
= wl_a_rates
,
241 .n_bitrates
= wl_a_rates_size
,
244 static const u32 __wl_cipher_suites
[] = {
245 WLAN_CIPHER_SUITE_WEP40
,
246 WLAN_CIPHER_SUITE_WEP104
,
247 WLAN_CIPHER_SUITE_TKIP
,
248 WLAN_CIPHER_SUITE_CCMP
,
249 WLAN_CIPHER_SUITE_AES_CMAC
,
252 /* tag_ID/length/value_buffer tuple */
259 /* Quarter dBm units to mW
260 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
261 * Table is offset so the last entry is largest mW value that fits in
265 #define QDBM_OFFSET 153 /* Offset for first entry */
266 #define QDBM_TABLE_LEN 40 /* Table size */
268 /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
269 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
271 #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
273 /* Largest mW value that will round down to the last table entry,
274 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
275 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
276 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
278 #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
280 static const u16 nqdBm_to_mW_map
[QDBM_TABLE_LEN
] = {
281 /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
282 /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
283 /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
284 /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
285 /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
286 /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
289 static u16
brcmf_qdbm_to_mw(u8 qdbm
)
292 int idx
= qdbm
- QDBM_OFFSET
;
294 if (idx
>= QDBM_TABLE_LEN
)
295 /* clamp to max u16 mW value */
298 /* scale the qdBm index up to the range of the table 0-40
299 * where an offset of 40 qdBm equals a factor of 10 mW.
306 /* return the mW value scaled down to the correct factor of 10,
307 * adding in factor/2 to get proper rounding.
309 return (nqdBm_to_mW_map
[idx
] + factor
/ 2) / factor
;
312 static u8
brcmf_mw_to_qdbm(u16 mw
)
319 /* handle boundary case */
323 offset
= QDBM_OFFSET
;
325 /* move mw into the range of the table */
326 while (mw_uint
< QDBM_TABLE_LOW_BOUND
) {
331 for (qdbm
= 0; qdbm
< QDBM_TABLE_LEN
- 1; qdbm
++) {
332 boundary
= nqdBm_to_mW_map
[qdbm
] + (nqdBm_to_mW_map
[qdbm
+ 1] -
333 nqdBm_to_mW_map
[qdbm
]) / 2;
334 if (mw_uint
< boundary
)
343 /* function for reading/writing a single u32 from/to the dongle */
345 brcmf_exec_dcmd_u32(struct net_device
*ndev
, u32 cmd
, u32
*par
)
348 __le32 par_le
= cpu_to_le32(*par
);
350 err
= brcmf_exec_dcmd(ndev
, cmd
, &par_le
, sizeof(__le32
));
351 *par
= le32_to_cpu(par_le
);
356 static void convert_key_from_CPU(struct brcmf_wsec_key
*key
,
357 struct brcmf_wsec_key_le
*key_le
)
359 key_le
->index
= cpu_to_le32(key
->index
);
360 key_le
->len
= cpu_to_le32(key
->len
);
361 key_le
->algo
= cpu_to_le32(key
->algo
);
362 key_le
->flags
= cpu_to_le32(key
->flags
);
363 key_le
->rxiv
.hi
= cpu_to_le32(key
->rxiv
.hi
);
364 key_le
->rxiv
.lo
= cpu_to_le16(key
->rxiv
.lo
);
365 key_le
->iv_initialized
= cpu_to_le32(key
->iv_initialized
);
366 memcpy(key_le
->data
, key
->data
, sizeof(key
->data
));
367 memcpy(key_le
->ea
, key
->ea
, sizeof(key
->ea
));
370 static int send_key_to_dongle(struct net_device
*ndev
,
371 struct brcmf_wsec_key
*key
)
374 struct brcmf_wsec_key_le key_le
;
376 convert_key_from_CPU(key
, &key_le
);
377 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_KEY
, &key_le
, sizeof(key_le
));
379 WL_ERR("WLC_SET_KEY error (%d)\n", err
);
384 brcmf_cfg80211_change_iface(struct wiphy
*wiphy
, struct net_device
*ndev
,
385 enum nl80211_iftype type
, u32
*flags
,
386 struct vif_params
*params
)
388 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
389 struct wireless_dev
*wdev
;
394 if (!check_sys_up(wiphy
))
398 case NL80211_IFTYPE_MONITOR
:
399 case NL80211_IFTYPE_WDS
:
400 WL_ERR("type (%d) : currently we do not support this type\n",
403 case NL80211_IFTYPE_ADHOC
:
404 cfg_priv
->conf
->mode
= WL_MODE_IBSS
;
407 case NL80211_IFTYPE_STATION
:
408 cfg_priv
->conf
->mode
= WL_MODE_BSS
;
416 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_SET_INFRA
, &infra
);
418 WL_ERR("WLC_SET_INFRA error (%d)\n", err
);
421 wdev
= ndev
->ieee80211_ptr
;
425 WL_INFO("IF Type = %s\n",
426 (cfg_priv
->conf
->mode
== WL_MODE_IBSS
) ? "Adhoc" : "Infra");
434 static s32
brcmf_dev_intvar_set(struct net_device
*ndev
, s8
*name
, s32 val
)
436 s8 buf
[BRCMF_DCMD_SMLEN
];
441 val_le
= cpu_to_le32(val
);
442 len
= brcmf_c_mkiovar(name
, (char *)(&val_le
), sizeof(val_le
), buf
,
446 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_VAR
, buf
, len
);
448 WL_ERR("error (%d)\n", err
);
454 brcmf_dev_intvar_get(struct net_device
*ndev
, s8
*name
, s32
*retval
)
457 s8 buf
[BRCMF_DCMD_SMLEN
];
465 brcmf_c_mkiovar(name
, (char *)(&data_null
), 0, (char *)(&var
),
468 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_GET_VAR
, &var
, len
);
470 WL_ERR("error (%d)\n", err
);
472 *retval
= le32_to_cpu(var
.val
);
477 static void brcmf_set_mpc(struct net_device
*ndev
, int mpc
)
480 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
482 if (test_bit(WL_STATUS_READY
, &cfg_priv
->status
)) {
483 err
= brcmf_dev_intvar_set(ndev
, "mpc", mpc
);
485 WL_ERR("fail to set mpc\n");
488 WL_INFO("MPC : %d\n", mpc
);
492 static void wl_iscan_prep(struct brcmf_scan_params_le
*params_le
,
493 struct brcmf_ssid
*ssid
)
495 memcpy(params_le
->bssid
, ether_bcast
, ETH_ALEN
);
496 params_le
->bss_type
= DOT11_BSSTYPE_ANY
;
497 params_le
->scan_type
= 0;
498 params_le
->channel_num
= 0;
499 params_le
->nprobes
= cpu_to_le32(-1);
500 params_le
->active_time
= cpu_to_le32(-1);
501 params_le
->passive_time
= cpu_to_le32(-1);
502 params_le
->home_time
= cpu_to_le32(-1);
503 if (ssid
&& ssid
->SSID_len
)
504 memcpy(¶ms_le
->ssid_le
, ssid
, sizeof(struct brcmf_ssid
));
508 brcmf_dev_iovar_setbuf(struct net_device
*ndev
, s8
* iovar
, void *param
,
509 s32 paramlen
, void *bufptr
, s32 buflen
)
513 iolen
= brcmf_c_mkiovar(iovar
, param
, paramlen
, bufptr
, buflen
);
516 return brcmf_exec_dcmd(ndev
, BRCMF_C_SET_VAR
, bufptr
, iolen
);
520 brcmf_dev_iovar_getbuf(struct net_device
*ndev
, s8
* iovar
, void *param
,
521 s32 paramlen
, void *bufptr
, s32 buflen
)
525 iolen
= brcmf_c_mkiovar(iovar
, param
, paramlen
, bufptr
, buflen
);
528 return brcmf_exec_dcmd(ndev
, BRCMF_C_GET_VAR
, bufptr
, buflen
);
532 brcmf_run_iscan(struct brcmf_cfg80211_iscan_ctrl
*iscan
,
533 struct brcmf_ssid
*ssid
, u16 action
)
535 s32 params_size
= BRCMF_SCAN_PARAMS_FIXED_SIZE
+
536 offsetof(struct brcmf_iscan_params_le
, params_le
);
537 struct brcmf_iscan_params_le
*params
;
540 if (ssid
&& ssid
->SSID_len
)
541 params_size
+= sizeof(struct brcmf_ssid
);
542 params
= kzalloc(params_size
, GFP_KERNEL
);
545 BUG_ON(params_size
>= BRCMF_DCMD_SMLEN
);
547 wl_iscan_prep(¶ms
->params_le
, ssid
);
549 params
->version
= cpu_to_le32(BRCMF_ISCAN_REQ_VERSION
);
550 params
->action
= cpu_to_le16(action
);
551 params
->scan_duration
= cpu_to_le16(0);
553 err
= brcmf_dev_iovar_setbuf(iscan
->ndev
, "iscan", params
, params_size
,
554 iscan
->dcmd_buf
, BRCMF_DCMD_SMLEN
);
557 WL_INFO("system busy : iscan canceled\n");
559 WL_ERR("error (%d)\n", err
);
566 static s32
brcmf_do_iscan(struct brcmf_cfg80211_priv
*cfg_priv
)
568 struct brcmf_cfg80211_iscan_ctrl
*iscan
= cfg_to_iscan(cfg_priv
);
569 struct net_device
*ndev
= cfg_to_ndev(cfg_priv
);
570 struct brcmf_ssid ssid
;
574 /* Broadcast scan by default */
575 memset(&ssid
, 0, sizeof(ssid
));
577 iscan
->state
= WL_ISCAN_STATE_SCANING
;
579 passive_scan
= cfg_priv
->active_scan
? 0 : cpu_to_le32(1);
580 err
= brcmf_exec_dcmd(cfg_to_ndev(cfg_priv
), BRCMF_C_SET_PASSIVE_SCAN
,
581 &passive_scan
, sizeof(passive_scan
));
583 WL_ERR("error (%d)\n", err
);
586 brcmf_set_mpc(ndev
, 0);
587 cfg_priv
->iscan_kickstart
= true;
588 err
= brcmf_run_iscan(iscan
, &ssid
, BRCMF_SCAN_ACTION_START
);
590 brcmf_set_mpc(ndev
, 1);
591 cfg_priv
->iscan_kickstart
= false;
594 mod_timer(&iscan
->timer
, jiffies
+ iscan
->timer_ms
* HZ
/ 1000);
600 __brcmf_cfg80211_scan(struct wiphy
*wiphy
, struct net_device
*ndev
,
601 struct cfg80211_scan_request
*request
,
602 struct cfg80211_ssid
*this_ssid
)
604 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
605 struct cfg80211_ssid
*ssids
;
606 struct brcmf_cfg80211_scan_req
*sr
= cfg_priv
->scan_req_int
;
613 if (test_bit(WL_STATUS_SCANNING
, &cfg_priv
->status
)) {
614 WL_ERR("Scanning already : status (%lu)\n", cfg_priv
->status
);
617 if (test_bit(WL_STATUS_SCAN_ABORTING
, &cfg_priv
->status
)) {
618 WL_ERR("Scanning being aborted : status (%lu)\n",
622 if (test_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
)) {
623 WL_ERR("Connecting : status (%lu)\n",
632 ssids
= request
->ssids
;
633 if (cfg_priv
->iscan_on
&& (!ssids
|| !ssids
->ssid_len
))
637 /* we don't do iscan in ibss */
641 cfg_priv
->scan_request
= request
;
642 set_bit(WL_STATUS_SCANNING
, &cfg_priv
->status
);
644 err
= brcmf_do_iscan(cfg_priv
);
650 WL_SCAN("ssid \"%s\", ssid_len (%d)\n",
651 ssids
->ssid
, ssids
->ssid_len
);
652 memset(&sr
->ssid_le
, 0, sizeof(sr
->ssid_le
));
653 SSID_len
= min_t(u8
, sizeof(sr
->ssid_le
.SSID
), ssids
->ssid_len
);
654 sr
->ssid_le
.SSID_len
= cpu_to_le32(0);
656 memcpy(sr
->ssid_le
.SSID
, ssids
->ssid
, SSID_len
);
657 sr
->ssid_le
.SSID_len
= cpu_to_le32(SSID_len
);
660 WL_SCAN("Broadcast scan\n");
663 passive_scan
= cfg_priv
->active_scan
? 0 : cpu_to_le32(1);
664 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_PASSIVE_SCAN
,
665 &passive_scan
, sizeof(passive_scan
));
667 WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err
);
670 brcmf_set_mpc(ndev
, 0);
671 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SCAN
, &sr
->ssid_le
,
672 sizeof(sr
->ssid_le
));
675 WL_INFO("system busy : scan for \"%s\" "
676 "canceled\n", sr
->ssid_le
.SSID
);
678 WL_ERR("WLC_SCAN error (%d)\n", err
);
680 brcmf_set_mpc(ndev
, 1);
688 clear_bit(WL_STATUS_SCANNING
, &cfg_priv
->status
);
689 cfg_priv
->scan_request
= NULL
;
694 brcmf_cfg80211_scan(struct wiphy
*wiphy
,
695 struct cfg80211_scan_request
*request
)
697 struct net_device
*ndev
= request
->wdev
->netdev
;
702 if (!check_sys_up(wiphy
))
705 err
= __brcmf_cfg80211_scan(wiphy
, ndev
, request
, NULL
);
707 WL_ERR("scan error (%d)\n", err
);
713 static s32
brcmf_set_rts(struct net_device
*ndev
, u32 rts_threshold
)
717 err
= brcmf_dev_intvar_set(ndev
, "rtsthresh", rts_threshold
);
719 WL_ERR("Error (%d)\n", err
);
724 static s32
brcmf_set_frag(struct net_device
*ndev
, u32 frag_threshold
)
728 err
= brcmf_dev_intvar_set(ndev
, "fragthresh", frag_threshold
);
730 WL_ERR("Error (%d)\n", err
);
735 static s32
brcmf_set_retry(struct net_device
*ndev
, u32 retry
, bool l
)
738 u32 cmd
= (l
? BRCM_SET_LRL
: BRCM_SET_SRL
);
740 err
= brcmf_exec_dcmd_u32(ndev
, cmd
, &retry
);
742 WL_ERR("cmd (%d) , error (%d)\n", cmd
, err
);
748 static s32
brcmf_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
750 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
751 struct net_device
*ndev
= cfg_to_ndev(cfg_priv
);
755 if (!check_sys_up(wiphy
))
758 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
&&
759 (cfg_priv
->conf
->rts_threshold
!= wiphy
->rts_threshold
)) {
760 cfg_priv
->conf
->rts_threshold
= wiphy
->rts_threshold
;
761 err
= brcmf_set_rts(ndev
, cfg_priv
->conf
->rts_threshold
);
765 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
&&
766 (cfg_priv
->conf
->frag_threshold
!= wiphy
->frag_threshold
)) {
767 cfg_priv
->conf
->frag_threshold
= wiphy
->frag_threshold
;
768 err
= brcmf_set_frag(ndev
, cfg_priv
->conf
->frag_threshold
);
772 if (changed
& WIPHY_PARAM_RETRY_LONG
773 && (cfg_priv
->conf
->retry_long
!= wiphy
->retry_long
)) {
774 cfg_priv
->conf
->retry_long
= wiphy
->retry_long
;
775 err
= brcmf_set_retry(ndev
, cfg_priv
->conf
->retry_long
, true);
779 if (changed
& WIPHY_PARAM_RETRY_SHORT
780 && (cfg_priv
->conf
->retry_short
!= wiphy
->retry_short
)) {
781 cfg_priv
->conf
->retry_short
= wiphy
->retry_short
;
782 err
= brcmf_set_retry(ndev
, cfg_priv
->conf
->retry_short
, false);
792 static void *brcmf_read_prof(struct brcmf_cfg80211_priv
*cfg_priv
, s32 item
)
796 return &cfg_priv
->profile
->sec
;
798 return &cfg_priv
->profile
->bssid
;
800 return &cfg_priv
->profile
->ssid
;
802 WL_ERR("invalid item (%d)\n", item
);
807 brcmf_update_prof(struct brcmf_cfg80211_priv
*cfg_priv
,
808 const struct brcmf_event_msg
*e
, void *data
, s32 item
)
811 struct brcmf_ssid
*ssid
;
815 ssid
= (struct brcmf_ssid
*) data
;
816 memset(cfg_priv
->profile
->ssid
.SSID
, 0,
817 sizeof(cfg_priv
->profile
->ssid
.SSID
));
818 memcpy(cfg_priv
->profile
->ssid
.SSID
,
819 ssid
->SSID
, ssid
->SSID_len
);
820 cfg_priv
->profile
->ssid
.SSID_len
= ssid
->SSID_len
;
824 memcpy(cfg_priv
->profile
->bssid
, data
, ETH_ALEN
);
826 memset(cfg_priv
->profile
->bssid
, 0, ETH_ALEN
);
829 memcpy(&cfg_priv
->profile
->sec
, data
,
830 sizeof(cfg_priv
->profile
->sec
));
832 case WL_PROF_BEACONINT
:
833 cfg_priv
->profile
->beacon_interval
= *(u16
*)data
;
835 case WL_PROF_DTIMPERIOD
:
836 cfg_priv
->profile
->dtim_period
= *(u8
*)data
;
839 WL_ERR("unsupported item (%d)\n", item
);
847 static void brcmf_init_prof(struct brcmf_cfg80211_profile
*prof
)
849 memset(prof
, 0, sizeof(*prof
));
852 static void brcmf_ch_to_chanspec(int ch
, struct brcmf_join_params
*join_params
,
853 size_t *join_params_size
)
858 if (ch
<= CH_MAX_2G_CHANNEL
)
859 chanspec
|= WL_CHANSPEC_BAND_2G
;
861 chanspec
|= WL_CHANSPEC_BAND_5G
;
863 chanspec
|= WL_CHANSPEC_BW_20
;
864 chanspec
|= WL_CHANSPEC_CTL_SB_NONE
;
866 *join_params_size
+= BRCMF_ASSOC_PARAMS_FIXED_SIZE
+
869 chanspec
|= (ch
& WL_CHANSPEC_CHAN_MASK
);
870 join_params
->params_le
.chanspec_list
[0] = cpu_to_le16(chanspec
);
871 join_params
->params_le
.chanspec_num
= cpu_to_le32(1);
873 WL_CONN("join_params->params.chanspec_list[0]= %#X,"
874 "channel %d, chanspec %#X\n",
875 chanspec
, ch
, chanspec
);
879 static void brcmf_link_down(struct brcmf_cfg80211_priv
*cfg_priv
)
881 struct net_device
*ndev
= NULL
;
886 if (cfg_priv
->link_up
) {
887 ndev
= cfg_to_ndev(cfg_priv
);
888 WL_INFO("Call WLC_DISASSOC to stop excess roaming\n ");
889 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_DISASSOC
, NULL
, 0);
891 WL_ERR("WLC_DISASSOC failed (%d)\n", err
);
892 cfg_priv
->link_up
= false;
898 brcmf_cfg80211_join_ibss(struct wiphy
*wiphy
, struct net_device
*ndev
,
899 struct cfg80211_ibss_params
*params
)
901 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
902 struct brcmf_join_params join_params
;
903 size_t join_params_size
= 0;
907 struct brcmf_ssid ssid
;
910 if (!check_sys_up(wiphy
))
914 WL_CONN("SSID: %s\n", params
->ssid
);
916 WL_CONN("SSID: NULL, Not supported\n");
920 set_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
);
923 WL_CONN("BSSID: %pM\n", params
->bssid
);
925 WL_CONN("No BSSID specified\n");
928 WL_CONN("channel: %d\n", params
->channel
->center_freq
);
930 WL_CONN("no channel specified\n");
932 if (params
->channel_fixed
)
933 WL_CONN("fixed channel required\n");
935 WL_CONN("no fixed channel required\n");
937 if (params
->ie
&& params
->ie_len
)
938 WL_CONN("ie len: %d\n", params
->ie_len
);
940 WL_CONN("no ie specified\n");
942 if (params
->beacon_interval
)
943 WL_CONN("beacon interval: %d\n", params
->beacon_interval
);
945 WL_CONN("no beacon interval specified\n");
947 if (params
->basic_rates
)
948 WL_CONN("basic rates: %08X\n", params
->basic_rates
);
950 WL_CONN("no basic rates specified\n");
953 WL_CONN("privacy required\n");
955 WL_CONN("no privacy required\n");
957 /* Configure Privacy for starter */
961 err
= brcmf_dev_intvar_set(ndev
, "wsec", wsec
);
963 WL_ERR("wsec failed (%d)\n", err
);
967 /* Configure Beacon Interval for starter */
968 if (params
->beacon_interval
)
969 bcnprd
= params
->beacon_interval
;
973 err
= brcmf_exec_dcmd_u32(ndev
, BRCM_SET_BCNPRD
, &bcnprd
);
975 WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err
);
979 /* Configure required join parameter */
980 memset(&join_params
, 0, sizeof(struct brcmf_join_params
));
983 ssid
.SSID_len
= min_t(u32
, params
->ssid_len
, 32);
984 memcpy(ssid
.SSID
, params
->ssid
, ssid
.SSID_len
);
985 memcpy(join_params
.ssid_le
.SSID
, params
->ssid
, ssid
.SSID_len
);
986 join_params
.ssid_le
.SSID_len
= cpu_to_le32(ssid
.SSID_len
);
987 join_params_size
= sizeof(join_params
.ssid_le
);
988 brcmf_update_prof(cfg_priv
, NULL
, &ssid
, WL_PROF_SSID
);
992 memcpy(join_params
.params_le
.bssid
, params
->bssid
, ETH_ALEN
);
993 join_params_size
= sizeof(join_params
.ssid_le
) +
994 BRCMF_ASSOC_PARAMS_FIXED_SIZE
;
996 memcpy(join_params
.params_le
.bssid
, ether_bcast
, ETH_ALEN
);
999 brcmf_update_prof(cfg_priv
, NULL
,
1000 &join_params
.params_le
.bssid
, WL_PROF_BSSID
);
1003 if (params
->channel
) {
1007 ieee80211_frequency_to_channel(
1008 params
->channel
->center_freq
);
1009 if (params
->channel_fixed
) {
1010 /* adding chanspec */
1011 brcmf_ch_to_chanspec(cfg_priv
->channel
,
1012 &join_params
, &join_params_size
);
1015 /* set channel for starter */
1016 target_channel
= cfg_priv
->channel
;
1017 err
= brcmf_exec_dcmd_u32(ndev
, BRCM_SET_CHANNEL
,
1020 WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err
);
1024 cfg_priv
->channel
= 0;
1026 cfg_priv
->ibss_starter
= false;
1029 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_SSID
,
1030 &join_params
, join_params_size
);
1032 WL_ERR("WLC_SET_SSID failed (%d)\n", err
);
1038 clear_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
);
1044 brcmf_cfg80211_leave_ibss(struct wiphy
*wiphy
, struct net_device
*ndev
)
1046 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
1049 WL_TRACE("Enter\n");
1050 if (!check_sys_up(wiphy
))
1053 brcmf_link_down(cfg_priv
);
1060 static s32
brcmf_set_wpa_version(struct net_device
*ndev
,
1061 struct cfg80211_connect_params
*sme
)
1063 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
1064 struct brcmf_cfg80211_security
*sec
;
1068 if (sme
->crypto
.wpa_versions
& NL80211_WPA_VERSION_1
)
1069 val
= WPA_AUTH_PSK
| WPA_AUTH_UNSPECIFIED
;
1070 else if (sme
->crypto
.wpa_versions
& NL80211_WPA_VERSION_2
)
1071 val
= WPA2_AUTH_PSK
| WPA2_AUTH_UNSPECIFIED
;
1073 val
= WPA_AUTH_DISABLED
;
1074 WL_CONN("setting wpa_auth to 0x%0x\n", val
);
1075 err
= brcmf_dev_intvar_set(ndev
, "wpa_auth", val
);
1077 WL_ERR("set wpa_auth failed (%d)\n", err
);
1080 sec
= brcmf_read_prof(cfg_priv
, WL_PROF_SEC
);
1081 sec
->wpa_versions
= sme
->crypto
.wpa_versions
;
1085 static s32
brcmf_set_auth_type(struct net_device
*ndev
,
1086 struct cfg80211_connect_params
*sme
)
1088 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
1089 struct brcmf_cfg80211_security
*sec
;
1093 switch (sme
->auth_type
) {
1094 case NL80211_AUTHTYPE_OPEN_SYSTEM
:
1096 WL_CONN("open system\n");
1098 case NL80211_AUTHTYPE_SHARED_KEY
:
1100 WL_CONN("shared key\n");
1102 case NL80211_AUTHTYPE_AUTOMATIC
:
1104 WL_CONN("automatic\n");
1106 case NL80211_AUTHTYPE_NETWORK_EAP
:
1107 WL_CONN("network eap\n");
1110 WL_ERR("invalid auth type (%d)\n", sme
->auth_type
);
1114 err
= brcmf_dev_intvar_set(ndev
, "auth", val
);
1116 WL_ERR("set auth failed (%d)\n", err
);
1119 sec
= brcmf_read_prof(cfg_priv
, WL_PROF_SEC
);
1120 sec
->auth_type
= sme
->auth_type
;
1125 brcmf_set_set_cipher(struct net_device
*ndev
,
1126 struct cfg80211_connect_params
*sme
)
1128 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
1129 struct brcmf_cfg80211_security
*sec
;
1134 if (sme
->crypto
.n_ciphers_pairwise
) {
1135 switch (sme
->crypto
.ciphers_pairwise
[0]) {
1136 case WLAN_CIPHER_SUITE_WEP40
:
1137 case WLAN_CIPHER_SUITE_WEP104
:
1140 case WLAN_CIPHER_SUITE_TKIP
:
1141 pval
= TKIP_ENABLED
;
1143 case WLAN_CIPHER_SUITE_CCMP
:
1146 case WLAN_CIPHER_SUITE_AES_CMAC
:
1150 WL_ERR("invalid cipher pairwise (%d)\n",
1151 sme
->crypto
.ciphers_pairwise
[0]);
1155 if (sme
->crypto
.cipher_group
) {
1156 switch (sme
->crypto
.cipher_group
) {
1157 case WLAN_CIPHER_SUITE_WEP40
:
1158 case WLAN_CIPHER_SUITE_WEP104
:
1161 case WLAN_CIPHER_SUITE_TKIP
:
1162 gval
= TKIP_ENABLED
;
1164 case WLAN_CIPHER_SUITE_CCMP
:
1167 case WLAN_CIPHER_SUITE_AES_CMAC
:
1171 WL_ERR("invalid cipher group (%d)\n",
1172 sme
->crypto
.cipher_group
);
1177 WL_CONN("pval (%d) gval (%d)\n", pval
, gval
);
1178 err
= brcmf_dev_intvar_set(ndev
, "wsec", pval
| gval
);
1180 WL_ERR("error (%d)\n", err
);
1184 sec
= brcmf_read_prof(cfg_priv
, WL_PROF_SEC
);
1185 sec
->cipher_pairwise
= sme
->crypto
.ciphers_pairwise
[0];
1186 sec
->cipher_group
= sme
->crypto
.cipher_group
;
1192 brcmf_set_key_mgmt(struct net_device
*ndev
, struct cfg80211_connect_params
*sme
)
1194 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
1195 struct brcmf_cfg80211_security
*sec
;
1199 if (sme
->crypto
.n_akm_suites
) {
1200 err
= brcmf_dev_intvar_get(ndev
, "wpa_auth", &val
);
1202 WL_ERR("could not get wpa_auth (%d)\n", err
);
1205 if (val
& (WPA_AUTH_PSK
| WPA_AUTH_UNSPECIFIED
)) {
1206 switch (sme
->crypto
.akm_suites
[0]) {
1207 case WLAN_AKM_SUITE_8021X
:
1208 val
= WPA_AUTH_UNSPECIFIED
;
1210 case WLAN_AKM_SUITE_PSK
:
1214 WL_ERR("invalid cipher group (%d)\n",
1215 sme
->crypto
.cipher_group
);
1218 } else if (val
& (WPA2_AUTH_PSK
| WPA2_AUTH_UNSPECIFIED
)) {
1219 switch (sme
->crypto
.akm_suites
[0]) {
1220 case WLAN_AKM_SUITE_8021X
:
1221 val
= WPA2_AUTH_UNSPECIFIED
;
1223 case WLAN_AKM_SUITE_PSK
:
1224 val
= WPA2_AUTH_PSK
;
1227 WL_ERR("invalid cipher group (%d)\n",
1228 sme
->crypto
.cipher_group
);
1233 WL_CONN("setting wpa_auth to %d\n", val
);
1234 err
= brcmf_dev_intvar_set(ndev
, "wpa_auth", val
);
1236 WL_ERR("could not set wpa_auth (%d)\n", err
);
1240 sec
= brcmf_read_prof(cfg_priv
, WL_PROF_SEC
);
1241 sec
->wpa_auth
= sme
->crypto
.akm_suites
[0];
1247 brcmf_set_wep_sharedkey(struct net_device
*ndev
,
1248 struct cfg80211_connect_params
*sme
)
1250 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
1251 struct brcmf_cfg80211_security
*sec
;
1252 struct brcmf_wsec_key key
;
1256 WL_CONN("key len (%d)\n", sme
->key_len
);
1258 if (sme
->key_len
== 0)
1261 sec
= brcmf_read_prof(cfg_priv
, WL_PROF_SEC
);
1262 WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n",
1263 sec
->wpa_versions
, sec
->cipher_pairwise
);
1265 if (sec
->wpa_versions
& (NL80211_WPA_VERSION_1
| NL80211_WPA_VERSION_2
))
1268 if (sec
->cipher_pairwise
&
1269 (WLAN_CIPHER_SUITE_WEP40
| WLAN_CIPHER_SUITE_WEP104
)) {
1270 memset(&key
, 0, sizeof(key
));
1271 key
.len
= (u32
) sme
->key_len
;
1272 key
.index
= (u32
) sme
->key_idx
;
1273 if (key
.len
> sizeof(key
.data
)) {
1274 WL_ERR("Too long key length (%u)\n", key
.len
);
1277 memcpy(key
.data
, sme
->key
, key
.len
);
1278 key
.flags
= BRCMF_PRIMARY_KEY
;
1279 switch (sec
->cipher_pairwise
) {
1280 case WLAN_CIPHER_SUITE_WEP40
:
1281 key
.algo
= CRYPTO_ALGO_WEP1
;
1283 case WLAN_CIPHER_SUITE_WEP104
:
1284 key
.algo
= CRYPTO_ALGO_WEP128
;
1287 WL_ERR("Invalid algorithm (%d)\n",
1288 sme
->crypto
.ciphers_pairwise
[0]);
1291 /* Set the new key/index */
1292 WL_CONN("key length (%d) key index (%d) algo (%d)\n",
1293 key
.len
, key
.index
, key
.algo
);
1294 WL_CONN("key \"%s\"\n", key
.data
);
1295 err
= send_key_to_dongle(ndev
, &key
);
1299 if (sec
->auth_type
== NL80211_AUTHTYPE_OPEN_SYSTEM
) {
1300 WL_CONN("set auth_type to shared key\n");
1301 val
= 1; /* shared key */
1302 err
= brcmf_dev_intvar_set(ndev
, "auth", val
);
1304 WL_ERR("set auth failed (%d)\n", err
);
1313 brcmf_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*ndev
,
1314 struct cfg80211_connect_params
*sme
)
1316 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
1317 struct ieee80211_channel
*chan
= sme
->channel
;
1318 struct brcmf_join_params join_params
;
1319 size_t join_params_size
;
1320 struct brcmf_ssid ssid
;
1324 WL_TRACE("Enter\n");
1325 if (!check_sys_up(wiphy
))
1329 WL_ERR("Invalid ssid\n");
1333 set_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
);
1337 ieee80211_frequency_to_channel(chan
->center_freq
);
1338 WL_CONN("channel (%d), center_req (%d)\n",
1339 cfg_priv
->channel
, chan
->center_freq
);
1341 cfg_priv
->channel
= 0;
1343 WL_INFO("ie (%p), ie_len (%zd)\n", sme
->ie
, sme
->ie_len
);
1345 err
= brcmf_set_wpa_version(ndev
, sme
);
1347 WL_ERR("wl_set_wpa_version failed (%d)\n", err
);
1351 err
= brcmf_set_auth_type(ndev
, sme
);
1353 WL_ERR("wl_set_auth_type failed (%d)\n", err
);
1357 err
= brcmf_set_set_cipher(ndev
, sme
);
1359 WL_ERR("wl_set_set_cipher failed (%d)\n", err
);
1363 err
= brcmf_set_key_mgmt(ndev
, sme
);
1365 WL_ERR("wl_set_key_mgmt failed (%d)\n", err
);
1369 err
= brcmf_set_wep_sharedkey(ndev
, sme
);
1371 WL_ERR("brcmf_set_wep_sharedkey failed (%d)\n", err
);
1375 memset(&join_params
, 0, sizeof(join_params
));
1376 join_params_size
= sizeof(join_params
.ssid_le
);
1378 ssid
.SSID_len
= min_t(u32
, sizeof(ssid
.SSID
), (u32
)sme
->ssid_len
);
1379 memcpy(&join_params
.ssid_le
.SSID
, sme
->ssid
, ssid
.SSID_len
);
1380 memcpy(&ssid
.SSID
, sme
->ssid
, ssid
.SSID_len
);
1381 join_params
.ssid_le
.SSID_len
= cpu_to_le32(ssid
.SSID_len
);
1382 brcmf_update_prof(cfg_priv
, NULL
, &ssid
, WL_PROF_SSID
);
1384 memcpy(join_params
.params_le
.bssid
, ether_bcast
, ETH_ALEN
);
1386 if (ssid
.SSID_len
< IEEE80211_MAX_SSID_LEN
)
1387 WL_CONN("ssid \"%s\", len (%d)\n",
1388 ssid
.SSID
, ssid
.SSID_len
);
1390 brcmf_ch_to_chanspec(cfg_priv
->channel
,
1391 &join_params
, &join_params_size
);
1392 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_SSID
,
1393 &join_params
, join_params_size
);
1395 WL_ERR("WLC_SET_SSID failed (%d)\n", err
);
1399 clear_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
);
1405 brcmf_cfg80211_disconnect(struct wiphy
*wiphy
, struct net_device
*ndev
,
1408 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
1409 struct brcmf_scb_val_le scbval
;
1412 WL_TRACE("Enter. Reason code = %d\n", reason_code
);
1413 if (!check_sys_up(wiphy
))
1416 clear_bit(WL_STATUS_CONNECTED
, &cfg_priv
->status
);
1418 memcpy(&scbval
.ea
, brcmf_read_prof(cfg_priv
, WL_PROF_BSSID
), ETH_ALEN
);
1419 scbval
.val
= cpu_to_le32(reason_code
);
1420 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_DISASSOC
, &scbval
,
1421 sizeof(struct brcmf_scb_val_le
));
1423 WL_ERR("error (%d)\n", err
);
1425 cfg_priv
->link_up
= false;
1432 brcmf_cfg80211_set_tx_power(struct wiphy
*wiphy
,
1433 enum nl80211_tx_power_setting type
, s32 mbm
)
1436 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
1437 struct net_device
*ndev
= cfg_to_ndev(cfg_priv
);
1441 s32 dbm
= MBM_TO_DBM(mbm
);
1443 WL_TRACE("Enter\n");
1444 if (!check_sys_up(wiphy
))
1448 case NL80211_TX_POWER_AUTOMATIC
:
1450 case NL80211_TX_POWER_LIMITED
:
1451 case NL80211_TX_POWER_FIXED
:
1453 WL_ERR("TX_POWER_FIXED - dbm is negative\n");
1459 /* Make sure radio is off or on as far as software is concerned */
1460 disable
= WL_RADIO_SW_DISABLE
<< 16;
1461 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_SET_RADIO
, &disable
);
1463 WL_ERR("WLC_SET_RADIO error (%d)\n", err
);
1468 txpwrmw
= (u16
) dbm
;
1469 err
= brcmf_dev_intvar_set(ndev
, "qtxpower",
1470 (s32
) (brcmf_mw_to_qdbm(txpwrmw
)));
1472 WL_ERR("qtxpower error (%d)\n", err
);
1473 cfg_priv
->conf
->tx_power
= dbm
;
1480 static s32
brcmf_cfg80211_get_tx_power(struct wiphy
*wiphy
, s32
*dbm
)
1482 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
1483 struct net_device
*ndev
= cfg_to_ndev(cfg_priv
);
1488 WL_TRACE("Enter\n");
1489 if (!check_sys_up(wiphy
))
1492 err
= brcmf_dev_intvar_get(ndev
, "qtxpower", &txpwrdbm
);
1494 WL_ERR("error (%d)\n", err
);
1498 result
= (u8
) (txpwrdbm
& ~WL_TXPWR_OVERRIDE
);
1499 *dbm
= (s32
) brcmf_qdbm_to_mw(result
);
1507 brcmf_cfg80211_config_default_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1508 u8 key_idx
, bool unicast
, bool multicast
)
1514 WL_TRACE("Enter\n");
1515 WL_CONN("key index (%d)\n", key_idx
);
1516 if (!check_sys_up(wiphy
))
1519 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_GET_WSEC
, &wsec
);
1521 WL_ERR("WLC_GET_WSEC error (%d)\n", err
);
1525 if (wsec
& WEP_ENABLED
) {
1526 /* Just select a new current key */
1528 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_SET_KEY_PRIMARY
,
1531 WL_ERR("error (%d)\n", err
);
1539 brcmf_add_keyext(struct wiphy
*wiphy
, struct net_device
*ndev
,
1540 u8 key_idx
, const u8
*mac_addr
, struct key_params
*params
)
1542 struct brcmf_wsec_key key
;
1543 struct brcmf_wsec_key_le key_le
;
1546 memset(&key
, 0, sizeof(key
));
1547 key
.index
= (u32
) key_idx
;
1548 /* Instead of bcast for ea address for default wep keys,
1549 driver needs it to be Null */
1550 if (!is_multicast_ether_addr(mac_addr
))
1551 memcpy((char *)&key
.ea
, (void *)mac_addr
, ETH_ALEN
);
1552 key
.len
= (u32
) params
->key_len
;
1553 /* check for key index change */
1556 err
= send_key_to_dongle(ndev
, &key
);
1560 if (key
.len
> sizeof(key
.data
)) {
1561 WL_ERR("Invalid key length (%d)\n", key
.len
);
1565 WL_CONN("Setting the key index %d\n", key
.index
);
1566 memcpy(key
.data
, params
->key
, key
.len
);
1568 if (params
->cipher
== WLAN_CIPHER_SUITE_TKIP
) {
1570 memcpy(keybuf
, &key
.data
[24], sizeof(keybuf
));
1571 memcpy(&key
.data
[24], &key
.data
[16], sizeof(keybuf
));
1572 memcpy(&key
.data
[16], keybuf
, sizeof(keybuf
));
1575 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
1576 if (params
->seq
&& params
->seq_len
== 6) {
1579 ivptr
= (u8
*) params
->seq
;
1580 key
.rxiv
.hi
= (ivptr
[5] << 24) | (ivptr
[4] << 16) |
1581 (ivptr
[3] << 8) | ivptr
[2];
1582 key
.rxiv
.lo
= (ivptr
[1] << 8) | ivptr
[0];
1583 key
.iv_initialized
= true;
1586 switch (params
->cipher
) {
1587 case WLAN_CIPHER_SUITE_WEP40
:
1588 key
.algo
= CRYPTO_ALGO_WEP1
;
1589 WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
1591 case WLAN_CIPHER_SUITE_WEP104
:
1592 key
.algo
= CRYPTO_ALGO_WEP128
;
1593 WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
1595 case WLAN_CIPHER_SUITE_TKIP
:
1596 key
.algo
= CRYPTO_ALGO_TKIP
;
1597 WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
1599 case WLAN_CIPHER_SUITE_AES_CMAC
:
1600 key
.algo
= CRYPTO_ALGO_AES_CCM
;
1601 WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
1603 case WLAN_CIPHER_SUITE_CCMP
:
1604 key
.algo
= CRYPTO_ALGO_AES_CCM
;
1605 WL_CONN("WLAN_CIPHER_SUITE_CCMP\n");
1608 WL_ERR("Invalid cipher (0x%x)\n", params
->cipher
);
1611 convert_key_from_CPU(&key
, &key_le
);
1613 brcmf_netdev_wait_pend8021x(ndev
);
1614 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_KEY
, &key_le
,
1617 WL_ERR("WLC_SET_KEY error (%d)\n", err
);
1625 brcmf_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1626 u8 key_idx
, bool pairwise
, const u8
*mac_addr
,
1627 struct key_params
*params
)
1629 struct brcmf_wsec_key key
;
1635 WL_TRACE("Enter\n");
1636 WL_CONN("key index (%d)\n", key_idx
);
1637 if (!check_sys_up(wiphy
))
1642 return brcmf_add_keyext(wiphy
, ndev
, key_idx
, mac_addr
, params
);
1644 memset(&key
, 0, sizeof(key
));
1646 key
.len
= (u32
) params
->key_len
;
1647 key
.index
= (u32
) key_idx
;
1649 if (key
.len
> sizeof(key
.data
)) {
1650 WL_ERR("Too long key length (%u)\n", key
.len
);
1654 memcpy(key
.data
, params
->key
, key
.len
);
1656 key
.flags
= BRCMF_PRIMARY_KEY
;
1657 switch (params
->cipher
) {
1658 case WLAN_CIPHER_SUITE_WEP40
:
1659 key
.algo
= CRYPTO_ALGO_WEP1
;
1660 WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
1662 case WLAN_CIPHER_SUITE_WEP104
:
1663 key
.algo
= CRYPTO_ALGO_WEP128
;
1664 WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
1666 case WLAN_CIPHER_SUITE_TKIP
:
1667 memcpy(keybuf
, &key
.data
[24], sizeof(keybuf
));
1668 memcpy(&key
.data
[24], &key
.data
[16], sizeof(keybuf
));
1669 memcpy(&key
.data
[16], keybuf
, sizeof(keybuf
));
1670 key
.algo
= CRYPTO_ALGO_TKIP
;
1671 WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
1673 case WLAN_CIPHER_SUITE_AES_CMAC
:
1674 key
.algo
= CRYPTO_ALGO_AES_CCM
;
1675 WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
1677 case WLAN_CIPHER_SUITE_CCMP
:
1678 key
.algo
= CRYPTO_ALGO_AES_CCM
;
1679 WL_CONN("WLAN_CIPHER_SUITE_CCMP\n");
1682 WL_ERR("Invalid cipher (0x%x)\n", params
->cipher
);
1687 err
= send_key_to_dongle(ndev
, &key
); /* Set the new key/index */
1692 err
= brcmf_dev_intvar_get(ndev
, "wsec", &wsec
);
1694 WL_ERR("get wsec error (%d)\n", err
);
1697 wsec
&= ~(WEP_ENABLED
);
1699 err
= brcmf_dev_intvar_set(ndev
, "wsec", wsec
);
1701 WL_ERR("set wsec error (%d)\n", err
);
1705 val
= 1; /* assume shared key. otherwise 0 */
1706 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_SET_AUTH
, &val
);
1708 WL_ERR("WLC_SET_AUTH error (%d)\n", err
);
1715 brcmf_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1716 u8 key_idx
, bool pairwise
, const u8
*mac_addr
)
1718 struct brcmf_wsec_key key
;
1723 WL_TRACE("Enter\n");
1724 if (!check_sys_up(wiphy
))
1727 memset(&key
, 0, sizeof(key
));
1729 key
.index
= (u32
) key_idx
;
1730 key
.flags
= BRCMF_PRIMARY_KEY
;
1731 key
.algo
= CRYPTO_ALGO_OFF
;
1733 WL_CONN("key index (%d)\n", key_idx
);
1735 /* Set the new key/index */
1736 err
= send_key_to_dongle(ndev
, &key
);
1738 if (err
== -EINVAL
) {
1739 if (key
.index
>= DOT11_MAX_DEFAULT_KEYS
)
1740 /* we ignore this key index in this case */
1741 WL_ERR("invalid key index (%d)\n", key_idx
);
1743 /* Ignore this error, may happen during DISASSOC */
1749 err
= brcmf_dev_intvar_get(ndev
, "wsec", &wsec
);
1751 WL_ERR("get wsec error (%d)\n", err
);
1752 /* Ignore this error, may happen during DISASSOC */
1756 wsec
&= ~(WEP_ENABLED
);
1758 err
= brcmf_dev_intvar_set(ndev
, "wsec", wsec
);
1760 WL_ERR("set wsec error (%d)\n", err
);
1761 /* Ignore this error, may happen during DISASSOC */
1766 val
= 0; /* assume open key. otherwise 1 */
1767 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_SET_AUTH
, &val
);
1769 WL_ERR("WLC_SET_AUTH error (%d)\n", err
);
1770 /* Ignore this error, may happen during DISASSOC */
1779 brcmf_cfg80211_get_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1780 u8 key_idx
, bool pairwise
, const u8
*mac_addr
, void *cookie
,
1781 void (*callback
) (void *cookie
, struct key_params
* params
))
1783 struct key_params params
;
1784 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
1785 struct brcmf_cfg80211_security
*sec
;
1789 WL_TRACE("Enter\n");
1790 WL_CONN("key index (%d)\n", key_idx
);
1791 if (!check_sys_up(wiphy
))
1794 memset(¶ms
, 0, sizeof(params
));
1796 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_GET_WSEC
, &wsec
);
1798 WL_ERR("WLC_GET_WSEC error (%d)\n", err
);
1799 /* Ignore this error, may happen during DISASSOC */
1805 sec
= brcmf_read_prof(cfg_priv
, WL_PROF_SEC
);
1806 if (sec
->cipher_pairwise
& WLAN_CIPHER_SUITE_WEP40
) {
1807 params
.cipher
= WLAN_CIPHER_SUITE_WEP40
;
1808 WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
1809 } else if (sec
->cipher_pairwise
& WLAN_CIPHER_SUITE_WEP104
) {
1810 params
.cipher
= WLAN_CIPHER_SUITE_WEP104
;
1811 WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
1815 params
.cipher
= WLAN_CIPHER_SUITE_TKIP
;
1816 WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
1819 params
.cipher
= WLAN_CIPHER_SUITE_AES_CMAC
;
1820 WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
1823 WL_ERR("Invalid algo (0x%x)\n", wsec
);
1827 callback(cookie
, ¶ms
);
1835 brcmf_cfg80211_config_default_mgmt_key(struct wiphy
*wiphy
,
1836 struct net_device
*ndev
, u8 key_idx
)
1838 WL_INFO("Not supported\n");
1844 brcmf_cfg80211_get_station(struct wiphy
*wiphy
, struct net_device
*ndev
,
1845 u8
*mac
, struct station_info
*sinfo
)
1847 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
1848 struct brcmf_scb_val_le scb_val
;
1852 u8
*bssid
= brcmf_read_prof(cfg_priv
, WL_PROF_BSSID
);
1854 WL_TRACE("Enter\n");
1855 if (!check_sys_up(wiphy
))
1858 if (memcmp(mac
, bssid
, ETH_ALEN
)) {
1859 WL_ERR("Wrong Mac address cfg_mac-%X:%X:%X:%X:%X:%X"
1860 "wl_bssid-%X:%X:%X:%X:%X:%X\n",
1861 mac
[0], mac
[1], mac
[2], mac
[3], mac
[4], mac
[5],
1862 bssid
[0], bssid
[1], bssid
[2], bssid
[3],
1863 bssid
[4], bssid
[5]);
1868 /* Report the current tx rate */
1869 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_GET_RATE
, &rate
);
1871 WL_ERR("Could not get rate (%d)\n", err
);
1873 sinfo
->filled
|= STATION_INFO_TX_BITRATE
;
1874 sinfo
->txrate
.legacy
= rate
* 5;
1875 WL_CONN("Rate %d Mbps\n", rate
/ 2);
1878 if (test_bit(WL_STATUS_CONNECTED
, &cfg_priv
->status
)) {
1879 scb_val
.val
= cpu_to_le32(0);
1880 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_GET_RSSI
, &scb_val
,
1881 sizeof(struct brcmf_scb_val_le
));
1883 WL_ERR("Could not get rssi (%d)\n", err
);
1885 rssi
= le32_to_cpu(scb_val
.val
);
1886 sinfo
->filled
|= STATION_INFO_SIGNAL
;
1887 sinfo
->signal
= rssi
;
1888 WL_CONN("RSSI %d dBm\n", rssi
);
1897 brcmf_cfg80211_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*ndev
,
1898 bool enabled
, s32 timeout
)
1902 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
1904 WL_TRACE("Enter\n");
1907 * Powersave enable/disable request is coming from the
1908 * cfg80211 even before the interface is up. In that
1909 * scenario, driver will be storing the power save
1910 * preference in cfg_priv struct to apply this to
1911 * FW later while initializing the dongle
1913 cfg_priv
->pwr_save
= enabled
;
1914 if (!test_bit(WL_STATUS_READY
, &cfg_priv
->status
)) {
1916 WL_INFO("Device is not ready,"
1917 "storing the value in cfg_priv struct\n");
1921 pm
= enabled
? PM_FAST
: PM_OFF
;
1922 WL_INFO("power save %s\n", (pm
? "enabled" : "disabled"));
1924 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_SET_PM
, &pm
);
1927 WL_ERR("net_device is not ready yet\n");
1929 WL_ERR("error (%d)\n", err
);
1937 brcmf_cfg80211_set_bitrate_mask(struct wiphy
*wiphy
, struct net_device
*ndev
,
1939 const struct cfg80211_bitrate_mask
*mask
)
1941 struct brcm_rateset_le rateset_le
;
1949 WL_TRACE("Enter\n");
1950 if (!check_sys_up(wiphy
))
1953 /* addr param is always NULL. ignore it */
1954 /* Get current rateset */
1955 err
= brcmf_exec_dcmd(ndev
, BRCM_GET_CURR_RATESET
, &rateset_le
,
1956 sizeof(rateset_le
));
1958 WL_ERR("could not get current rateset (%d)\n", err
);
1962 legacy
= ffs(mask
->control
[IEEE80211_BAND_2GHZ
].legacy
& 0xFFFF);
1964 legacy
= ffs(mask
->control
[IEEE80211_BAND_5GHZ
].legacy
&
1967 val
= wl_g_rates
[legacy
- 1].bitrate
* 100000;
1969 if (val
< le32_to_cpu(rateset_le
.count
))
1970 /* Select rate by rateset index */
1971 rate
= rateset_le
.rates
[val
] & 0x7f;
1973 /* Specified rate in bps */
1974 rate
= val
/ 500000;
1976 WL_CONN("rate %d mbps\n", rate
/ 2);
1980 * Set rate override,
1981 * Since the is a/b/g-blind, both a/bg_rate are enforced.
1983 err_bg
= brcmf_dev_intvar_set(ndev
, "bg_rate", rate
);
1984 err_a
= brcmf_dev_intvar_set(ndev
, "a_rate", rate
);
1985 if (err_bg
&& err_a
) {
1986 WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg
, err_a
);
1987 err
= err_bg
| err_a
;
1995 static s32
brcmf_inform_single_bss(struct brcmf_cfg80211_priv
*cfg_priv
,
1996 struct brcmf_bss_info_le
*bi
)
1998 struct wiphy
*wiphy
= cfg_to_wiphy(cfg_priv
);
1999 struct ieee80211_channel
*notify_channel
;
2000 struct cfg80211_bss
*bss
;
2001 struct ieee80211_supported_band
*band
;
2005 u16 notify_capability
;
2006 u16 notify_interval
;
2008 size_t notify_ielen
;
2011 if (le32_to_cpu(bi
->length
) > WL_BSS_INFO_MAX
) {
2012 WL_ERR("Bss info is larger than buffer. Discarding\n");
2016 channel
= bi
->ctl_ch
? bi
->ctl_ch
:
2017 CHSPEC_CHANNEL(le16_to_cpu(bi
->chanspec
));
2019 if (channel
<= CH_MAX_2G_CHANNEL
)
2020 band
= wiphy
->bands
[IEEE80211_BAND_2GHZ
];
2022 band
= wiphy
->bands
[IEEE80211_BAND_5GHZ
];
2024 freq
= ieee80211_channel_to_frequency(channel
, band
->band
);
2025 notify_channel
= ieee80211_get_channel(wiphy
, freq
);
2027 notify_capability
= le16_to_cpu(bi
->capability
);
2028 notify_interval
= le16_to_cpu(bi
->beacon_period
);
2029 notify_ie
= (u8
*)bi
+ le16_to_cpu(bi
->ie_offset
);
2030 notify_ielen
= le32_to_cpu(bi
->ie_length
);
2031 notify_signal
= (s16
)le16_to_cpu(bi
->RSSI
) * 100;
2033 WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
2034 bi
->BSSID
[0], bi
->BSSID
[1], bi
->BSSID
[2],
2035 bi
->BSSID
[3], bi
->BSSID
[4], bi
->BSSID
[5]);
2036 WL_CONN("Channel: %d(%d)\n", channel
, freq
);
2037 WL_CONN("Capability: %X\n", notify_capability
);
2038 WL_CONN("Beacon interval: %d\n", notify_interval
);
2039 WL_CONN("Signal: %d\n", notify_signal
);
2041 bss
= cfg80211_inform_bss(wiphy
, notify_channel
, (const u8
*)bi
->BSSID
,
2042 0, notify_capability
, notify_interval
, notify_ie
,
2043 notify_ielen
, notify_signal
, GFP_KERNEL
);
2048 cfg80211_put_bss(bss
);
2053 static struct brcmf_bss_info_le
*
2054 next_bss_le(struct brcmf_scan_results
*list
, struct brcmf_bss_info_le
*bss
)
2057 return list
->bss_info_le
;
2058 return (struct brcmf_bss_info_le
*)((unsigned long)bss
+
2059 le32_to_cpu(bss
->length
));
2062 static s32
brcmf_inform_bss(struct brcmf_cfg80211_priv
*cfg_priv
)
2064 struct brcmf_scan_results
*bss_list
;
2065 struct brcmf_bss_info_le
*bi
= NULL
; /* must be initialized */
2069 bss_list
= cfg_priv
->bss_list
;
2070 if (bss_list
->version
!= BRCMF_BSS_INFO_VERSION
) {
2071 WL_ERR("Version %d != WL_BSS_INFO_VERSION\n",
2075 WL_SCAN("scanned AP count (%d)\n", bss_list
->count
);
2076 for (i
= 0; i
< bss_list
->count
&& i
< WL_AP_MAX
; i
++) {
2077 bi
= next_bss_le(bss_list
, bi
);
2078 err
= brcmf_inform_single_bss(cfg_priv
, bi
);
2085 static s32
wl_inform_ibss(struct brcmf_cfg80211_priv
*cfg_priv
,
2086 struct net_device
*ndev
, const u8
*bssid
)
2088 struct wiphy
*wiphy
= cfg_to_wiphy(cfg_priv
);
2089 struct ieee80211_channel
*notify_channel
;
2090 struct brcmf_bss_info_le
*bi
= NULL
;
2091 struct ieee80211_supported_band
*band
;
2092 struct cfg80211_bss
*bss
;
2097 u16 notify_capability
;
2098 u16 notify_interval
;
2100 size_t notify_ielen
;
2103 WL_TRACE("Enter\n");
2105 buf
= kzalloc(WL_BSS_INFO_MAX
, GFP_KERNEL
);
2111 *(__le32
*)buf
= cpu_to_le32(WL_BSS_INFO_MAX
);
2113 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_GET_BSS_INFO
, buf
, WL_BSS_INFO_MAX
);
2115 WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err
);
2119 bi
= (struct brcmf_bss_info_le
*)(buf
+ 4);
2121 channel
= bi
->ctl_ch
? bi
->ctl_ch
:
2122 CHSPEC_CHANNEL(le16_to_cpu(bi
->chanspec
));
2124 if (channel
<= CH_MAX_2G_CHANNEL
)
2125 band
= wiphy
->bands
[IEEE80211_BAND_2GHZ
];
2127 band
= wiphy
->bands
[IEEE80211_BAND_5GHZ
];
2129 freq
= ieee80211_channel_to_frequency(channel
, band
->band
);
2130 notify_channel
= ieee80211_get_channel(wiphy
, freq
);
2132 notify_capability
= le16_to_cpu(bi
->capability
);
2133 notify_interval
= le16_to_cpu(bi
->beacon_period
);
2134 notify_ie
= (u8
*)bi
+ le16_to_cpu(bi
->ie_offset
);
2135 notify_ielen
= le32_to_cpu(bi
->ie_length
);
2136 notify_signal
= (s16
)le16_to_cpu(bi
->RSSI
) * 100;
2138 WL_CONN("channel: %d(%d)\n", channel
, freq
);
2139 WL_CONN("capability: %X\n", notify_capability
);
2140 WL_CONN("beacon interval: %d\n", notify_interval
);
2141 WL_CONN("signal: %d\n", notify_signal
);
2143 bss
= cfg80211_inform_bss(wiphy
, notify_channel
, bssid
,
2144 0, notify_capability
, notify_interval
,
2145 notify_ie
, notify_ielen
, notify_signal
, GFP_KERNEL
);
2152 cfg80211_put_bss(bss
);
2163 static bool brcmf_is_ibssmode(struct brcmf_cfg80211_priv
*cfg_priv
)
2165 return cfg_priv
->conf
->mode
== WL_MODE_IBSS
;
2169 * Traverse a string of 1-byte tag/1-byte length/variable-length value
2170 * triples, returning a pointer to the substring whose first element
2173 static struct brcmf_tlv
*brcmf_parse_tlvs(void *buf
, int buflen
, uint key
)
2175 struct brcmf_tlv
*elt
;
2178 elt
= (struct brcmf_tlv
*) buf
;
2181 /* find tagged parameter */
2182 while (totlen
>= 2) {
2185 /* validate remaining totlen */
2186 if ((elt
->id
== key
) && (totlen
>= (len
+ 2)))
2189 elt
= (struct brcmf_tlv
*) ((u8
*) elt
+ (len
+ 2));
2190 totlen
-= (len
+ 2);
2196 static s32
brcmf_update_bss_info(struct brcmf_cfg80211_priv
*cfg_priv
)
2198 struct brcmf_bss_info_le
*bi
;
2199 struct brcmf_ssid
*ssid
;
2200 struct brcmf_tlv
*tim
;
2201 u16 beacon_interval
;
2207 WL_TRACE("Enter\n");
2208 if (brcmf_is_ibssmode(cfg_priv
))
2211 ssid
= (struct brcmf_ssid
*)brcmf_read_prof(cfg_priv
, WL_PROF_SSID
);
2213 *(__le32
*)cfg_priv
->extra_buf
= cpu_to_le32(WL_EXTRA_BUF_MAX
);
2214 err
= brcmf_exec_dcmd(cfg_to_ndev(cfg_priv
), BRCMF_C_GET_BSS_INFO
,
2215 cfg_priv
->extra_buf
, WL_EXTRA_BUF_MAX
);
2217 WL_ERR("Could not get bss info %d\n", err
);
2218 goto update_bss_info_out
;
2221 bi
= (struct brcmf_bss_info_le
*)(cfg_priv
->extra_buf
+ 4);
2222 err
= brcmf_inform_single_bss(cfg_priv
, bi
);
2224 goto update_bss_info_out
;
2226 ie
= ((u8
*)bi
) + le16_to_cpu(bi
->ie_offset
);
2227 ie_len
= le32_to_cpu(bi
->ie_length
);
2228 beacon_interval
= le16_to_cpu(bi
->beacon_period
);
2230 tim
= brcmf_parse_tlvs(ie
, ie_len
, WLAN_EID_TIM
);
2232 dtim_period
= tim
->data
[1];
2235 * active scan was done so we could not get dtim
2236 * information out of probe response.
2237 * so we speficially query dtim information to dongle.
2240 err
= brcmf_dev_intvar_get(cfg_to_ndev(cfg_priv
),
2241 "dtim_assoc", &var
);
2243 WL_ERR("wl dtim_assoc failed (%d)\n", err
);
2244 goto update_bss_info_out
;
2246 dtim_period
= (u8
)var
;
2249 brcmf_update_prof(cfg_priv
, NULL
, &beacon_interval
, WL_PROF_BEACONINT
);
2250 brcmf_update_prof(cfg_priv
, NULL
, &dtim_period
, WL_PROF_DTIMPERIOD
);
2252 update_bss_info_out
:
2257 static void brcmf_term_iscan(struct brcmf_cfg80211_priv
*cfg_priv
)
2259 struct brcmf_cfg80211_iscan_ctrl
*iscan
= cfg_to_iscan(cfg_priv
);
2260 struct brcmf_ssid ssid
;
2262 if (cfg_priv
->iscan_on
) {
2263 iscan
->state
= WL_ISCAN_STATE_IDLE
;
2265 if (iscan
->timer_on
) {
2266 del_timer_sync(&iscan
->timer
);
2267 iscan
->timer_on
= 0;
2270 cancel_work_sync(&iscan
->work
);
2272 /* Abort iscan running in FW */
2273 memset(&ssid
, 0, sizeof(ssid
));
2274 brcmf_run_iscan(iscan
, &ssid
, WL_SCAN_ACTION_ABORT
);
2278 static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl
*iscan
,
2281 struct brcmf_cfg80211_priv
*cfg_priv
= iscan_to_cfg(iscan
);
2282 struct net_device
*ndev
= cfg_to_ndev(cfg_priv
);
2284 if (!test_and_clear_bit(WL_STATUS_SCANNING
, &cfg_priv
->status
)) {
2285 WL_ERR("Scan complete while device not scanning\n");
2288 if (cfg_priv
->scan_request
) {
2289 WL_SCAN("ISCAN Completed scan: %s\n",
2290 aborted
? "Aborted" : "Done");
2291 cfg80211_scan_done(cfg_priv
->scan_request
, aborted
);
2292 brcmf_set_mpc(ndev
, 1);
2293 cfg_priv
->scan_request
= NULL
;
2295 cfg_priv
->iscan_kickstart
= false;
2298 static s32
brcmf_wakeup_iscan(struct brcmf_cfg80211_iscan_ctrl
*iscan
)
2300 if (iscan
->state
!= WL_ISCAN_STATE_IDLE
) {
2301 WL_SCAN("wake up iscan\n");
2302 schedule_work(&iscan
->work
);
2310 brcmf_get_iscan_results(struct brcmf_cfg80211_iscan_ctrl
*iscan
, u32
*status
,
2311 struct brcmf_scan_results
**bss_list
)
2313 struct brcmf_iscan_results list
;
2314 struct brcmf_scan_results
*results
;
2315 struct brcmf_scan_results_le
*results_le
;
2316 struct brcmf_iscan_results
*list_buf
;
2319 memset(iscan
->scan_buf
, 0, WL_ISCAN_BUF_MAX
);
2320 list_buf
= (struct brcmf_iscan_results
*)iscan
->scan_buf
;
2321 results
= &list_buf
->results
;
2322 results_le
= &list_buf
->results_le
;
2323 results
->buflen
= BRCMF_ISCAN_RESULTS_FIXED_SIZE
;
2324 results
->version
= 0;
2327 memset(&list
, 0, sizeof(list
));
2328 list
.results_le
.buflen
= cpu_to_le32(WL_ISCAN_BUF_MAX
);
2329 err
= brcmf_dev_iovar_getbuf(iscan
->ndev
, "iscanresults", &list
,
2330 BRCMF_ISCAN_RESULTS_FIXED_SIZE
,
2331 iscan
->scan_buf
, WL_ISCAN_BUF_MAX
);
2333 WL_ERR("error (%d)\n", err
);
2336 results
->buflen
= le32_to_cpu(results_le
->buflen
);
2337 results
->version
= le32_to_cpu(results_le
->version
);
2338 results
->count
= le32_to_cpu(results_le
->count
);
2339 WL_SCAN("results->count = %d\n", results_le
->count
);
2340 WL_SCAN("results->buflen = %d\n", results_le
->buflen
);
2341 *status
= le32_to_cpu(list_buf
->status_le
);
2342 WL_SCAN("status = %d\n", *status
);
2343 *bss_list
= results
;
2348 static s32
brcmf_iscan_done(struct brcmf_cfg80211_priv
*cfg_priv
)
2350 struct brcmf_cfg80211_iscan_ctrl
*iscan
= cfg_priv
->iscan
;
2353 iscan
->state
= WL_ISCAN_STATE_IDLE
;
2354 brcmf_inform_bss(cfg_priv
);
2355 brcmf_notify_iscan_complete(iscan
, false);
2360 static s32
brcmf_iscan_pending(struct brcmf_cfg80211_priv
*cfg_priv
)
2362 struct brcmf_cfg80211_iscan_ctrl
*iscan
= cfg_priv
->iscan
;
2365 /* Reschedule the timer */
2366 mod_timer(&iscan
->timer
, jiffies
+ iscan
->timer_ms
* HZ
/ 1000);
2367 iscan
->timer_on
= 1;
2372 static s32
brcmf_iscan_inprogress(struct brcmf_cfg80211_priv
*cfg_priv
)
2374 struct brcmf_cfg80211_iscan_ctrl
*iscan
= cfg_priv
->iscan
;
2377 brcmf_inform_bss(cfg_priv
);
2378 brcmf_run_iscan(iscan
, NULL
, BRCMF_SCAN_ACTION_CONTINUE
);
2379 /* Reschedule the timer */
2380 mod_timer(&iscan
->timer
, jiffies
+ iscan
->timer_ms
* HZ
/ 1000);
2381 iscan
->timer_on
= 1;
2386 static s32
brcmf_iscan_aborted(struct brcmf_cfg80211_priv
*cfg_priv
)
2388 struct brcmf_cfg80211_iscan_ctrl
*iscan
= cfg_priv
->iscan
;
2391 iscan
->state
= WL_ISCAN_STATE_IDLE
;
2392 brcmf_notify_iscan_complete(iscan
, true);
2397 static void brcmf_cfg80211_iscan_handler(struct work_struct
*work
)
2399 struct brcmf_cfg80211_iscan_ctrl
*iscan
=
2400 container_of(work
, struct brcmf_cfg80211_iscan_ctrl
,
2402 struct brcmf_cfg80211_priv
*cfg_priv
= iscan_to_cfg(iscan
);
2403 struct brcmf_cfg80211_iscan_eloop
*el
= &iscan
->el
;
2404 u32 status
= BRCMF_SCAN_RESULTS_PARTIAL
;
2406 if (iscan
->timer_on
) {
2407 del_timer_sync(&iscan
->timer
);
2408 iscan
->timer_on
= 0;
2411 if (brcmf_get_iscan_results(iscan
, &status
, &cfg_priv
->bss_list
)) {
2412 status
= BRCMF_SCAN_RESULTS_ABORTED
;
2413 WL_ERR("Abort iscan\n");
2416 el
->handler
[status
](cfg_priv
);
2419 static void brcmf_iscan_timer(unsigned long data
)
2421 struct brcmf_cfg80211_iscan_ctrl
*iscan
=
2422 (struct brcmf_cfg80211_iscan_ctrl
*)data
;
2425 iscan
->timer_on
= 0;
2426 WL_SCAN("timer expired\n");
2427 brcmf_wakeup_iscan(iscan
);
2431 static s32
brcmf_invoke_iscan(struct brcmf_cfg80211_priv
*cfg_priv
)
2433 struct brcmf_cfg80211_iscan_ctrl
*iscan
= cfg_to_iscan(cfg_priv
);
2435 if (cfg_priv
->iscan_on
) {
2436 iscan
->state
= WL_ISCAN_STATE_IDLE
;
2437 INIT_WORK(&iscan
->work
, brcmf_cfg80211_iscan_handler
);
2443 static void brcmf_init_iscan_eloop(struct brcmf_cfg80211_iscan_eloop
*el
)
2445 memset(el
, 0, sizeof(*el
));
2446 el
->handler
[BRCMF_SCAN_RESULTS_SUCCESS
] = brcmf_iscan_done
;
2447 el
->handler
[BRCMF_SCAN_RESULTS_PARTIAL
] = brcmf_iscan_inprogress
;
2448 el
->handler
[BRCMF_SCAN_RESULTS_PENDING
] = brcmf_iscan_pending
;
2449 el
->handler
[BRCMF_SCAN_RESULTS_ABORTED
] = brcmf_iscan_aborted
;
2450 el
->handler
[BRCMF_SCAN_RESULTS_NO_MEM
] = brcmf_iscan_aborted
;
2453 static s32
brcmf_init_iscan(struct brcmf_cfg80211_priv
*cfg_priv
)
2455 struct brcmf_cfg80211_iscan_ctrl
*iscan
= cfg_to_iscan(cfg_priv
);
2458 if (cfg_priv
->iscan_on
) {
2459 iscan
->ndev
= cfg_to_ndev(cfg_priv
);
2460 brcmf_init_iscan_eloop(&iscan
->el
);
2461 iscan
->timer_ms
= WL_ISCAN_TIMER_INTERVAL_MS
;
2462 init_timer(&iscan
->timer
);
2463 iscan
->timer
.data
= (unsigned long) iscan
;
2464 iscan
->timer
.function
= brcmf_iscan_timer
;
2465 err
= brcmf_invoke_iscan(cfg_priv
);
2467 iscan
->data
= cfg_priv
;
2473 static __always_inline
void brcmf_delay(u32 ms
)
2475 if (ms
< 1000 / HZ
) {
2483 static s32
brcmf_cfg80211_resume(struct wiphy
*wiphy
)
2485 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
2488 * Check for WL_STATUS_READY before any function call which
2489 * could result is bus access. Don't block the resume for
2490 * any driver error conditions
2492 WL_TRACE("Enter\n");
2494 if (test_bit(WL_STATUS_READY
, &cfg_priv
->status
))
2495 brcmf_invoke_iscan(wiphy_to_cfg(wiphy
));
2501 static s32
brcmf_cfg80211_suspend(struct wiphy
*wiphy
,
2502 struct cfg80211_wowlan
*wow
)
2504 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
2505 struct net_device
*ndev
= cfg_to_ndev(cfg_priv
);
2507 WL_TRACE("Enter\n");
2510 * Check for WL_STATUS_READY before any function call which
2511 * could result is bus access. Don't block the suspend for
2512 * any driver error conditions
2516 * While going to suspend if associated with AP disassociate
2517 * from AP to save power while system is in suspended state
2519 if ((test_bit(WL_STATUS_CONNECTED
, &cfg_priv
->status
) ||
2520 test_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
)) &&
2521 test_bit(WL_STATUS_READY
, &cfg_priv
->status
)) {
2522 WL_INFO("Disassociating from AP"
2523 " while entering suspend state\n");
2524 brcmf_link_down(cfg_priv
);
2527 * Make sure WPA_Supplicant receives all the event
2528 * generated due to DISASSOC call to the fw to keep
2529 * the state fw and WPA_Supplicant state consistent
2534 set_bit(WL_STATUS_SCAN_ABORTING
, &cfg_priv
->status
);
2535 if (test_bit(WL_STATUS_READY
, &cfg_priv
->status
))
2536 brcmf_term_iscan(cfg_priv
);
2538 if (cfg_priv
->scan_request
) {
2539 /* Indidate scan abort to cfg80211 layer */
2540 WL_INFO("Terminating scan in progress\n");
2541 cfg80211_scan_done(cfg_priv
->scan_request
, true);
2542 cfg_priv
->scan_request
= NULL
;
2544 clear_bit(WL_STATUS_SCANNING
, &cfg_priv
->status
);
2545 clear_bit(WL_STATUS_SCAN_ABORTING
, &cfg_priv
->status
);
2547 /* Turn off watchdog timer */
2548 if (test_bit(WL_STATUS_READY
, &cfg_priv
->status
)) {
2549 WL_INFO("Enable MPC\n");
2550 brcmf_set_mpc(ndev
, 1);
2559 brcmf_dev_bufvar_set(struct net_device
*ndev
, s8
*name
, s8
*buf
, s32 len
)
2561 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
2564 buflen
= brcmf_c_mkiovar(name
, buf
, len
, cfg_priv
->dcmd_buf
,
2568 return brcmf_exec_dcmd(ndev
, BRCMF_C_SET_VAR
, cfg_priv
->dcmd_buf
,
2573 brcmf_dev_bufvar_get(struct net_device
*ndev
, s8
*name
, s8
*buf
,
2576 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
2580 len
= brcmf_c_mkiovar(name
, NULL
, 0, cfg_priv
->dcmd_buf
,
2583 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_GET_VAR
, cfg_priv
->dcmd_buf
,
2586 WL_ERR("error (%d)\n", err
);
2589 memcpy(buf
, cfg_priv
->dcmd_buf
, buf_len
);
2595 brcmf_update_pmklist(struct net_device
*ndev
,
2596 struct brcmf_cfg80211_pmk_list
*pmk_list
, s32 err
)
2601 pmkid_len
= le32_to_cpu(pmk_list
->pmkids
.npmkid
);
2603 WL_CONN("No of elements %d\n", pmkid_len
);
2604 for (i
= 0; i
< pmkid_len
; i
++) {
2605 WL_CONN("PMKID[%d]: %pM =\n", i
,
2606 &pmk_list
->pmkids
.pmkid
[i
].BSSID
);
2607 for (j
= 0; j
< WLAN_PMKID_LEN
; j
++)
2608 WL_CONN("%02x\n", pmk_list
->pmkids
.pmkid
[i
].PMKID
[j
]);
2612 brcmf_dev_bufvar_set(ndev
, "pmkid_info", (char *)pmk_list
,
2619 brcmf_cfg80211_set_pmksa(struct wiphy
*wiphy
, struct net_device
*ndev
,
2620 struct cfg80211_pmksa
*pmksa
)
2622 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
2623 struct pmkid_list
*pmkids
= &cfg_priv
->pmk_list
->pmkids
;
2628 WL_TRACE("Enter\n");
2629 if (!check_sys_up(wiphy
))
2632 pmkid_len
= le32_to_cpu(pmkids
->npmkid
);
2633 for (i
= 0; i
< pmkid_len
; i
++)
2634 if (!memcmp(pmksa
->bssid
, pmkids
->pmkid
[i
].BSSID
, ETH_ALEN
))
2636 if (i
< WL_NUM_PMKIDS_MAX
) {
2637 memcpy(pmkids
->pmkid
[i
].BSSID
, pmksa
->bssid
, ETH_ALEN
);
2638 memcpy(pmkids
->pmkid
[i
].PMKID
, pmksa
->pmkid
, WLAN_PMKID_LEN
);
2639 if (i
== pmkid_len
) {
2641 pmkids
->npmkid
= cpu_to_le32(pmkid_len
);
2646 WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
2647 pmkids
->pmkid
[pmkid_len
].BSSID
);
2648 for (i
= 0; i
< WLAN_PMKID_LEN
; i
++)
2649 WL_CONN("%02x\n", pmkids
->pmkid
[pmkid_len
].PMKID
[i
]);
2651 err
= brcmf_update_pmklist(ndev
, cfg_priv
->pmk_list
, err
);
2658 brcmf_cfg80211_del_pmksa(struct wiphy
*wiphy
, struct net_device
*ndev
,
2659 struct cfg80211_pmksa
*pmksa
)
2661 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
2662 struct pmkid_list pmkid
;
2666 WL_TRACE("Enter\n");
2667 if (!check_sys_up(wiphy
))
2670 memcpy(&pmkid
.pmkid
[0].BSSID
, pmksa
->bssid
, ETH_ALEN
);
2671 memcpy(&pmkid
.pmkid
[0].PMKID
, pmksa
->pmkid
, WLAN_PMKID_LEN
);
2673 WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
2674 &pmkid
.pmkid
[0].BSSID
);
2675 for (i
= 0; i
< WLAN_PMKID_LEN
; i
++)
2676 WL_CONN("%02x\n", pmkid
.pmkid
[0].PMKID
[i
]);
2678 pmkid_len
= le32_to_cpu(cfg_priv
->pmk_list
->pmkids
.npmkid
);
2679 for (i
= 0; i
< pmkid_len
; i
++)
2681 (pmksa
->bssid
, &cfg_priv
->pmk_list
->pmkids
.pmkid
[i
].BSSID
,
2686 && (i
< pmkid_len
)) {
2687 memset(&cfg_priv
->pmk_list
->pmkids
.pmkid
[i
], 0,
2688 sizeof(struct pmkid
));
2689 for (; i
< (pmkid_len
- 1); i
++) {
2690 memcpy(&cfg_priv
->pmk_list
->pmkids
.pmkid
[i
].BSSID
,
2691 &cfg_priv
->pmk_list
->pmkids
.pmkid
[i
+ 1].BSSID
,
2693 memcpy(&cfg_priv
->pmk_list
->pmkids
.pmkid
[i
].PMKID
,
2694 &cfg_priv
->pmk_list
->pmkids
.pmkid
[i
+ 1].PMKID
,
2697 cfg_priv
->pmk_list
->pmkids
.npmkid
= cpu_to_le32(pmkid_len
- 1);
2701 err
= brcmf_update_pmklist(ndev
, cfg_priv
->pmk_list
, err
);
2709 brcmf_cfg80211_flush_pmksa(struct wiphy
*wiphy
, struct net_device
*ndev
)
2711 struct brcmf_cfg80211_priv
*cfg_priv
= wiphy_to_cfg(wiphy
);
2714 WL_TRACE("Enter\n");
2715 if (!check_sys_up(wiphy
))
2718 memset(cfg_priv
->pmk_list
, 0, sizeof(*cfg_priv
->pmk_list
));
2719 err
= brcmf_update_pmklist(ndev
, cfg_priv
->pmk_list
, err
);
2726 static struct cfg80211_ops wl_cfg80211_ops
= {
2727 .change_virtual_intf
= brcmf_cfg80211_change_iface
,
2728 .scan
= brcmf_cfg80211_scan
,
2729 .set_wiphy_params
= brcmf_cfg80211_set_wiphy_params
,
2730 .join_ibss
= brcmf_cfg80211_join_ibss
,
2731 .leave_ibss
= brcmf_cfg80211_leave_ibss
,
2732 .get_station
= brcmf_cfg80211_get_station
,
2733 .set_tx_power
= brcmf_cfg80211_set_tx_power
,
2734 .get_tx_power
= brcmf_cfg80211_get_tx_power
,
2735 .add_key
= brcmf_cfg80211_add_key
,
2736 .del_key
= brcmf_cfg80211_del_key
,
2737 .get_key
= brcmf_cfg80211_get_key
,
2738 .set_default_key
= brcmf_cfg80211_config_default_key
,
2739 .set_default_mgmt_key
= brcmf_cfg80211_config_default_mgmt_key
,
2740 .set_power_mgmt
= brcmf_cfg80211_set_power_mgmt
,
2741 .set_bitrate_mask
= brcmf_cfg80211_set_bitrate_mask
,
2742 .connect
= brcmf_cfg80211_connect
,
2743 .disconnect
= brcmf_cfg80211_disconnect
,
2744 .suspend
= brcmf_cfg80211_suspend
,
2745 .resume
= brcmf_cfg80211_resume
,
2746 .set_pmksa
= brcmf_cfg80211_set_pmksa
,
2747 .del_pmksa
= brcmf_cfg80211_del_pmksa
,
2748 .flush_pmksa
= brcmf_cfg80211_flush_pmksa
2751 static s32
brcmf_mode_to_nl80211_iftype(s32 mode
)
2757 return NL80211_IFTYPE_STATION
;
2759 return NL80211_IFTYPE_ADHOC
;
2761 return NL80211_IFTYPE_UNSPECIFIED
;
2767 static struct wireless_dev
*brcmf_alloc_wdev(s32 sizeof_iface
,
2768 struct device
*ndev
)
2770 struct wireless_dev
*wdev
;
2773 wdev
= kzalloc(sizeof(*wdev
), GFP_KERNEL
);
2775 return ERR_PTR(-ENOMEM
);
2778 wiphy_new(&wl_cfg80211_ops
,
2779 sizeof(struct brcmf_cfg80211_priv
) + sizeof_iface
);
2781 WL_ERR("Could not allocate wiphy device\n");
2785 set_wiphy_dev(wdev
->wiphy
, ndev
);
2786 wdev
->wiphy
->max_scan_ssids
= WL_NUM_SCAN_MAX
;
2787 wdev
->wiphy
->max_num_pmkids
= WL_NUM_PMKIDS_MAX
;
2788 wdev
->wiphy
->interface_modes
=
2789 BIT(NL80211_IFTYPE_STATION
) | BIT(NL80211_IFTYPE_ADHOC
);
2790 wdev
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &__wl_band_2ghz
;
2791 wdev
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &__wl_band_5ghz_a
; /* Set
2792 * it as 11a by default.
2793 * This will be updated with
2796 * if phy has 11n capability
2798 wdev
->wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
2799 wdev
->wiphy
->cipher_suites
= __wl_cipher_suites
;
2800 wdev
->wiphy
->n_cipher_suites
= ARRAY_SIZE(__wl_cipher_suites
);
2801 wdev
->wiphy
->flags
|= WIPHY_FLAG_PS_ON_BY_DEFAULT
; /* enable power
2805 err
= wiphy_register(wdev
->wiphy
);
2807 WL_ERR("Could not register wiphy device (%d)\n", err
);
2808 goto wiphy_register_out
;
2813 wiphy_free(wdev
->wiphy
);
2818 return ERR_PTR(err
);
2821 static void brcmf_free_wdev(struct brcmf_cfg80211_priv
*cfg_priv
)
2823 struct wireless_dev
*wdev
= cfg_priv
->wdev
;
2826 WL_ERR("wdev is invalid\n");
2829 wiphy_unregister(wdev
->wiphy
);
2830 wiphy_free(wdev
->wiphy
);
2832 cfg_priv
->wdev
= NULL
;
2835 static bool brcmf_is_linkup(struct brcmf_cfg80211_priv
*cfg_priv
,
2836 const struct brcmf_event_msg
*e
)
2838 u32 event
= be32_to_cpu(e
->event_type
);
2839 u32 status
= be32_to_cpu(e
->status
);
2841 if (event
== BRCMF_E_SET_SSID
&& status
== BRCMF_E_STATUS_SUCCESS
) {
2842 WL_CONN("Processing set ssid\n");
2843 cfg_priv
->link_up
= true;
2850 static bool brcmf_is_linkdown(struct brcmf_cfg80211_priv
*cfg_priv
,
2851 const struct brcmf_event_msg
*e
)
2853 u32 event
= be32_to_cpu(e
->event_type
);
2854 u16 flags
= be16_to_cpu(e
->flags
);
2856 if (event
== BRCMF_E_LINK
&& (!(flags
& BRCMF_EVENT_MSG_LINK
))) {
2857 WL_CONN("Processing link down\n");
2863 static bool brcmf_is_nonetwork(struct brcmf_cfg80211_priv
*cfg_priv
,
2864 const struct brcmf_event_msg
*e
)
2866 u32 event
= be32_to_cpu(e
->event_type
);
2867 u32 status
= be32_to_cpu(e
->status
);
2869 if (event
== BRCMF_E_LINK
&& status
== BRCMF_E_STATUS_NO_NETWORKS
) {
2870 WL_CONN("Processing Link %s & no network found\n",
2871 be16_to_cpu(e
->flags
) & BRCMF_EVENT_MSG_LINK
?
2876 if (event
== BRCMF_E_SET_SSID
&& status
!= BRCMF_E_STATUS_SUCCESS
) {
2877 WL_CONN("Processing connecting & no network found\n");
2884 static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_priv
*cfg_priv
)
2886 struct brcmf_cfg80211_connect_info
*conn_info
= cfg_to_conn(cfg_priv
);
2888 kfree(conn_info
->req_ie
);
2889 conn_info
->req_ie
= NULL
;
2890 conn_info
->req_ie_len
= 0;
2891 kfree(conn_info
->resp_ie
);
2892 conn_info
->resp_ie
= NULL
;
2893 conn_info
->resp_ie_len
= 0;
2896 static s32
brcmf_get_assoc_ies(struct brcmf_cfg80211_priv
*cfg_priv
)
2898 struct net_device
*ndev
= cfg_to_ndev(cfg_priv
);
2899 struct brcmf_cfg80211_assoc_ielen_le
*assoc_info
;
2900 struct brcmf_cfg80211_connect_info
*conn_info
= cfg_to_conn(cfg_priv
);
2905 brcmf_clear_assoc_ies(cfg_priv
);
2907 err
= brcmf_dev_bufvar_get(ndev
, "assoc_info", cfg_priv
->extra_buf
,
2910 WL_ERR("could not get assoc info (%d)\n", err
);
2914 (struct brcmf_cfg80211_assoc_ielen_le
*)cfg_priv
->extra_buf
;
2915 req_len
= le32_to_cpu(assoc_info
->req_len
);
2916 resp_len
= le32_to_cpu(assoc_info
->resp_len
);
2918 err
= brcmf_dev_bufvar_get(ndev
, "assoc_req_ies",
2919 cfg_priv
->extra_buf
,
2922 WL_ERR("could not get assoc req (%d)\n", err
);
2925 conn_info
->req_ie_len
= req_len
;
2927 kmemdup(cfg_priv
->extra_buf
, conn_info
->req_ie_len
,
2930 conn_info
->req_ie_len
= 0;
2931 conn_info
->req_ie
= NULL
;
2934 err
= brcmf_dev_bufvar_get(ndev
, "assoc_resp_ies",
2935 cfg_priv
->extra_buf
,
2938 WL_ERR("could not get assoc resp (%d)\n", err
);
2941 conn_info
->resp_ie_len
= resp_len
;
2942 conn_info
->resp_ie
=
2943 kmemdup(cfg_priv
->extra_buf
, conn_info
->resp_ie_len
,
2946 conn_info
->resp_ie_len
= 0;
2947 conn_info
->resp_ie
= NULL
;
2949 WL_CONN("req len (%d) resp len (%d)\n",
2950 conn_info
->req_ie_len
, conn_info
->resp_ie_len
);
2956 brcmf_bss_roaming_done(struct brcmf_cfg80211_priv
*cfg_priv
,
2957 struct net_device
*ndev
,
2958 const struct brcmf_event_msg
*e
)
2960 struct brcmf_cfg80211_connect_info
*conn_info
= cfg_to_conn(cfg_priv
);
2961 struct wiphy
*wiphy
= cfg_to_wiphy(cfg_priv
);
2962 struct brcmf_channel_info_le channel_le
;
2963 struct ieee80211_channel
*notify_channel
;
2964 struct ieee80211_supported_band
*band
;
2969 WL_TRACE("Enter\n");
2971 brcmf_get_assoc_ies(cfg_priv
);
2972 brcmf_update_prof(cfg_priv
, NULL
, &e
->addr
, WL_PROF_BSSID
);
2973 brcmf_update_bss_info(cfg_priv
);
2975 brcmf_exec_dcmd(ndev
, BRCMF_C_GET_CHANNEL
, &channel_le
,
2976 sizeof(channel_le
));
2978 target_channel
= le32_to_cpu(channel_le
.target_channel
);
2979 WL_CONN("Roamed to channel %d\n", target_channel
);
2981 if (target_channel
<= CH_MAX_2G_CHANNEL
)
2982 band
= wiphy
->bands
[IEEE80211_BAND_2GHZ
];
2984 band
= wiphy
->bands
[IEEE80211_BAND_5GHZ
];
2986 freq
= ieee80211_channel_to_frequency(target_channel
, band
->band
);
2987 notify_channel
= ieee80211_get_channel(wiphy
, freq
);
2989 cfg80211_roamed(ndev
, notify_channel
,
2990 (u8
*)brcmf_read_prof(cfg_priv
, WL_PROF_BSSID
),
2991 conn_info
->req_ie
, conn_info
->req_ie_len
,
2992 conn_info
->resp_ie
, conn_info
->resp_ie_len
, GFP_KERNEL
);
2993 WL_CONN("Report roaming result\n");
2995 set_bit(WL_STATUS_CONNECTED
, &cfg_priv
->status
);
3001 brcmf_bss_connect_done(struct brcmf_cfg80211_priv
*cfg_priv
,
3002 struct net_device
*ndev
, const struct brcmf_event_msg
*e
,
3005 struct brcmf_cfg80211_connect_info
*conn_info
= cfg_to_conn(cfg_priv
);
3008 WL_TRACE("Enter\n");
3010 if (test_and_clear_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
)) {
3012 brcmf_get_assoc_ies(cfg_priv
);
3013 brcmf_update_prof(cfg_priv
, NULL
, &e
->addr
,
3015 brcmf_update_bss_info(cfg_priv
);
3017 cfg80211_connect_result(ndev
,
3018 (u8
*)brcmf_read_prof(cfg_priv
,
3021 conn_info
->req_ie_len
,
3023 conn_info
->resp_ie_len
,
3024 completed
? WLAN_STATUS_SUCCESS
:
3025 WLAN_STATUS_AUTH_TIMEOUT
,
3028 set_bit(WL_STATUS_CONNECTED
, &cfg_priv
->status
);
3029 WL_CONN("Report connect result - connection %s\n",
3030 completed
? "succeeded" : "failed");
3037 brcmf_notify_connect_status(struct brcmf_cfg80211_priv
*cfg_priv
,
3038 struct net_device
*ndev
,
3039 const struct brcmf_event_msg
*e
, void *data
)
3043 if (brcmf_is_linkup(cfg_priv
, e
)) {
3044 WL_CONN("Linkup\n");
3045 if (brcmf_is_ibssmode(cfg_priv
)) {
3046 brcmf_update_prof(cfg_priv
, NULL
, (void *)e
->addr
,
3048 wl_inform_ibss(cfg_priv
, ndev
, e
->addr
);
3049 cfg80211_ibss_joined(ndev
, e
->addr
, GFP_KERNEL
);
3050 clear_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
);
3051 set_bit(WL_STATUS_CONNECTED
, &cfg_priv
->status
);
3053 brcmf_bss_connect_done(cfg_priv
, ndev
, e
, true);
3054 } else if (brcmf_is_linkdown(cfg_priv
, e
)) {
3055 WL_CONN("Linkdown\n");
3056 if (brcmf_is_ibssmode(cfg_priv
)) {
3057 clear_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
);
3058 if (test_and_clear_bit(WL_STATUS_CONNECTED
,
3060 brcmf_link_down(cfg_priv
);
3062 brcmf_bss_connect_done(cfg_priv
, ndev
, e
, false);
3063 if (test_and_clear_bit(WL_STATUS_CONNECTED
,
3064 &cfg_priv
->status
)) {
3065 cfg80211_disconnected(ndev
, 0, NULL
, 0,
3067 brcmf_link_down(cfg_priv
);
3070 brcmf_init_prof(cfg_priv
->profile
);
3071 } else if (brcmf_is_nonetwork(cfg_priv
, e
)) {
3072 if (brcmf_is_ibssmode(cfg_priv
))
3073 clear_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
);
3075 brcmf_bss_connect_done(cfg_priv
, ndev
, e
, false);
3082 brcmf_notify_roaming_status(struct brcmf_cfg80211_priv
*cfg_priv
,
3083 struct net_device
*ndev
,
3084 const struct brcmf_event_msg
*e
, void *data
)
3087 u32 event
= be32_to_cpu(e
->event_type
);
3088 u32 status
= be32_to_cpu(e
->status
);
3090 if (event
== BRCMF_E_ROAM
&& status
== BRCMF_E_STATUS_SUCCESS
) {
3091 if (test_bit(WL_STATUS_CONNECTED
, &cfg_priv
->status
))
3092 brcmf_bss_roaming_done(cfg_priv
, ndev
, e
);
3094 brcmf_bss_connect_done(cfg_priv
, ndev
, e
, true);
3101 brcmf_notify_mic_status(struct brcmf_cfg80211_priv
*cfg_priv
,
3102 struct net_device
*ndev
,
3103 const struct brcmf_event_msg
*e
, void *data
)
3105 u16 flags
= be16_to_cpu(e
->flags
);
3106 enum nl80211_key_type key_type
;
3108 if (flags
& BRCMF_EVENT_MSG_GROUP
)
3109 key_type
= NL80211_KEYTYPE_GROUP
;
3111 key_type
= NL80211_KEYTYPE_PAIRWISE
;
3113 cfg80211_michael_mic_failure(ndev
, (u8
*)&e
->addr
, key_type
, -1,
3120 brcmf_notify_scan_status(struct brcmf_cfg80211_priv
*cfg_priv
,
3121 struct net_device
*ndev
,
3122 const struct brcmf_event_msg
*e
, void *data
)
3124 struct brcmf_channel_info_le channel_inform_le
;
3125 struct brcmf_scan_results_le
*bss_list_le
;
3126 u32 len
= WL_SCAN_BUF_MAX
;
3128 bool scan_abort
= false;
3131 WL_TRACE("Enter\n");
3133 if (cfg_priv
->iscan_on
&& cfg_priv
->iscan_kickstart
) {
3135 return brcmf_wakeup_iscan(cfg_to_iscan(cfg_priv
));
3138 if (!test_and_clear_bit(WL_STATUS_SCANNING
, &cfg_priv
->status
)) {
3139 WL_ERR("Scan complete while device not scanning\n");
3145 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_GET_CHANNEL
, &channel_inform_le
,
3146 sizeof(channel_inform_le
));
3148 WL_ERR("scan busy (%d)\n", err
);
3152 scan_channel
= le32_to_cpu(channel_inform_le
.scan_channel
);
3154 WL_CONN("channel_inform.scan_channel (%d)\n", scan_channel
);
3155 cfg_priv
->bss_list
= cfg_priv
->scan_results
;
3156 bss_list_le
= (struct brcmf_scan_results_le
*) cfg_priv
->bss_list
;
3158 memset(cfg_priv
->scan_results
, 0, len
);
3159 bss_list_le
->buflen
= cpu_to_le32(len
);
3160 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SCAN_RESULTS
,
3161 cfg_priv
->scan_results
, len
);
3163 WL_ERR("%s Scan_results error (%d)\n", ndev
->name
, err
);
3168 cfg_priv
->scan_results
->buflen
= le32_to_cpu(bss_list_le
->buflen
);
3169 cfg_priv
->scan_results
->version
= le32_to_cpu(bss_list_le
->version
);
3170 cfg_priv
->scan_results
->count
= le32_to_cpu(bss_list_le
->count
);
3172 err
= brcmf_inform_bss(cfg_priv
);
3179 if (cfg_priv
->scan_request
) {
3180 WL_SCAN("calling cfg80211_scan_done\n");
3181 cfg80211_scan_done(cfg_priv
->scan_request
, scan_abort
);
3182 brcmf_set_mpc(ndev
, 1);
3183 cfg_priv
->scan_request
= NULL
;
3191 static void brcmf_init_conf(struct brcmf_cfg80211_conf
*conf
)
3193 conf
->mode
= (u32
)-1;
3194 conf
->frag_threshold
= (u32
)-1;
3195 conf
->rts_threshold
= (u32
)-1;
3196 conf
->retry_short
= (u32
)-1;
3197 conf
->retry_long
= (u32
)-1;
3198 conf
->tx_power
= -1;
3201 static void brcmf_init_eloop_handler(struct brcmf_cfg80211_event_loop
*el
)
3203 memset(el
, 0, sizeof(*el
));
3204 el
->handler
[BRCMF_E_SCAN_COMPLETE
] = brcmf_notify_scan_status
;
3205 el
->handler
[BRCMF_E_LINK
] = brcmf_notify_connect_status
;
3206 el
->handler
[BRCMF_E_ROAM
] = brcmf_notify_roaming_status
;
3207 el
->handler
[BRCMF_E_MIC_ERROR
] = brcmf_notify_mic_status
;
3208 el
->handler
[BRCMF_E_SET_SSID
] = brcmf_notify_connect_status
;
3211 static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_priv
*cfg_priv
)
3213 kfree(cfg_priv
->scan_results
);
3214 cfg_priv
->scan_results
= NULL
;
3215 kfree(cfg_priv
->bss_info
);
3216 cfg_priv
->bss_info
= NULL
;
3217 kfree(cfg_priv
->conf
);
3218 cfg_priv
->conf
= NULL
;
3219 kfree(cfg_priv
->profile
);
3220 cfg_priv
->profile
= NULL
;
3221 kfree(cfg_priv
->scan_req_int
);
3222 cfg_priv
->scan_req_int
= NULL
;
3223 kfree(cfg_priv
->dcmd_buf
);
3224 cfg_priv
->dcmd_buf
= NULL
;
3225 kfree(cfg_priv
->extra_buf
);
3226 cfg_priv
->extra_buf
= NULL
;
3227 kfree(cfg_priv
->iscan
);
3228 cfg_priv
->iscan
= NULL
;
3229 kfree(cfg_priv
->pmk_list
);
3230 cfg_priv
->pmk_list
= NULL
;
3233 static s32
brcmf_init_priv_mem(struct brcmf_cfg80211_priv
*cfg_priv
)
3235 cfg_priv
->scan_results
= kzalloc(WL_SCAN_BUF_MAX
, GFP_KERNEL
);
3236 if (!cfg_priv
->scan_results
)
3237 goto init_priv_mem_out
;
3238 cfg_priv
->conf
= kzalloc(sizeof(*cfg_priv
->conf
), GFP_KERNEL
);
3239 if (!cfg_priv
->conf
)
3240 goto init_priv_mem_out
;
3241 cfg_priv
->profile
= kzalloc(sizeof(*cfg_priv
->profile
), GFP_KERNEL
);
3242 if (!cfg_priv
->profile
)
3243 goto init_priv_mem_out
;
3244 cfg_priv
->bss_info
= kzalloc(WL_BSS_INFO_MAX
, GFP_KERNEL
);
3245 if (!cfg_priv
->bss_info
)
3246 goto init_priv_mem_out
;
3247 cfg_priv
->scan_req_int
= kzalloc(sizeof(*cfg_priv
->scan_req_int
),
3249 if (!cfg_priv
->scan_req_int
)
3250 goto init_priv_mem_out
;
3251 cfg_priv
->dcmd_buf
= kzalloc(WL_DCMD_LEN_MAX
, GFP_KERNEL
);
3252 if (!cfg_priv
->dcmd_buf
)
3253 goto init_priv_mem_out
;
3254 cfg_priv
->extra_buf
= kzalloc(WL_EXTRA_BUF_MAX
, GFP_KERNEL
);
3255 if (!cfg_priv
->extra_buf
)
3256 goto init_priv_mem_out
;
3257 cfg_priv
->iscan
= kzalloc(sizeof(*cfg_priv
->iscan
), GFP_KERNEL
);
3258 if (!cfg_priv
->iscan
)
3259 goto init_priv_mem_out
;
3260 cfg_priv
->pmk_list
= kzalloc(sizeof(*cfg_priv
->pmk_list
), GFP_KERNEL
);
3261 if (!cfg_priv
->pmk_list
)
3262 goto init_priv_mem_out
;
3267 brcmf_deinit_priv_mem(cfg_priv
);
3273 * retrieve first queued event from head
3276 static struct brcmf_cfg80211_event_q
*brcmf_deq_event(
3277 struct brcmf_cfg80211_priv
*cfg_priv
)
3279 struct brcmf_cfg80211_event_q
*e
= NULL
;
3281 spin_lock_irq(&cfg_priv
->evt_q_lock
);
3282 if (!list_empty(&cfg_priv
->evt_q_list
)) {
3283 e
= list_first_entry(&cfg_priv
->evt_q_list
,
3284 struct brcmf_cfg80211_event_q
, evt_q_list
);
3285 list_del(&e
->evt_q_list
);
3287 spin_unlock_irq(&cfg_priv
->evt_q_lock
);
3293 * push event to tail of the queue
3295 * remark: this function may not sleep as it is called in atomic context.
3299 brcmf_enq_event(struct brcmf_cfg80211_priv
*cfg_priv
, u32 event
,
3300 const struct brcmf_event_msg
*msg
)
3302 struct brcmf_cfg80211_event_q
*e
;
3306 e
= kzalloc(sizeof(struct brcmf_cfg80211_event_q
), GFP_ATOMIC
);
3311 memcpy(&e
->emsg
, msg
, sizeof(struct brcmf_event_msg
));
3313 spin_lock_irqsave(&cfg_priv
->evt_q_lock
, flags
);
3314 list_add_tail(&e
->evt_q_list
, &cfg_priv
->evt_q_list
);
3315 spin_unlock_irqrestore(&cfg_priv
->evt_q_lock
, flags
);
3320 static void brcmf_put_event(struct brcmf_cfg80211_event_q
*e
)
3325 static void brcmf_cfg80211_event_handler(struct work_struct
*work
)
3327 struct brcmf_cfg80211_priv
*cfg_priv
=
3328 container_of(work
, struct brcmf_cfg80211_priv
,
3330 struct brcmf_cfg80211_event_q
*e
;
3332 e
= brcmf_deq_event(cfg_priv
);
3334 WL_ERR("event queue empty...\n");
3339 WL_INFO("event type (%d)\n", e
->etype
);
3340 if (cfg_priv
->el
.handler
[e
->etype
])
3341 cfg_priv
->el
.handler
[e
->etype
](cfg_priv
,
3342 cfg_to_ndev(cfg_priv
),
3343 &e
->emsg
, e
->edata
);
3345 WL_INFO("Unknown Event (%d): ignoring\n", e
->etype
);
3347 } while ((e
= brcmf_deq_event(cfg_priv
)));
3351 static void brcmf_init_eq(struct brcmf_cfg80211_priv
*cfg_priv
)
3353 spin_lock_init(&cfg_priv
->evt_q_lock
);
3354 INIT_LIST_HEAD(&cfg_priv
->evt_q_list
);
3357 static void brcmf_flush_eq(struct brcmf_cfg80211_priv
*cfg_priv
)
3359 struct brcmf_cfg80211_event_q
*e
;
3361 spin_lock_irq(&cfg_priv
->evt_q_lock
);
3362 while (!list_empty(&cfg_priv
->evt_q_list
)) {
3363 e
= list_first_entry(&cfg_priv
->evt_q_list
,
3364 struct brcmf_cfg80211_event_q
, evt_q_list
);
3365 list_del(&e
->evt_q_list
);
3368 spin_unlock_irq(&cfg_priv
->evt_q_lock
);
3371 static s32
wl_init_priv(struct brcmf_cfg80211_priv
*cfg_priv
)
3375 cfg_priv
->scan_request
= NULL
;
3376 cfg_priv
->pwr_save
= true;
3377 cfg_priv
->iscan_on
= true; /* iscan on & off switch.
3378 we enable iscan per default */
3379 cfg_priv
->roam_on
= true; /* roam on & off switch.
3380 we enable roam per default */
3382 cfg_priv
->iscan_kickstart
= false;
3383 cfg_priv
->active_scan
= true; /* we do active scan for
3384 specific scan per default */
3385 cfg_priv
->dongle_up
= false; /* dongle is not up yet */
3386 brcmf_init_eq(cfg_priv
);
3387 err
= brcmf_init_priv_mem(cfg_priv
);
3390 INIT_WORK(&cfg_priv
->event_work
, brcmf_cfg80211_event_handler
);
3391 brcmf_init_eloop_handler(&cfg_priv
->el
);
3392 mutex_init(&cfg_priv
->usr_sync
);
3393 err
= brcmf_init_iscan(cfg_priv
);
3396 brcmf_init_conf(cfg_priv
->conf
);
3397 brcmf_init_prof(cfg_priv
->profile
);
3398 brcmf_link_down(cfg_priv
);
3403 static void wl_deinit_priv(struct brcmf_cfg80211_priv
*cfg_priv
)
3405 cancel_work_sync(&cfg_priv
->event_work
);
3406 cfg_priv
->dongle_up
= false; /* dongle down */
3407 brcmf_flush_eq(cfg_priv
);
3408 brcmf_link_down(cfg_priv
);
3409 brcmf_term_iscan(cfg_priv
);
3410 brcmf_deinit_priv_mem(cfg_priv
);
3413 struct brcmf_cfg80211_dev
*brcmf_cfg80211_attach(struct net_device
*ndev
,
3414 struct device
*busdev
,
3417 struct wireless_dev
*wdev
;
3418 struct brcmf_cfg80211_priv
*cfg_priv
;
3419 struct brcmf_cfg80211_iface
*ci
;
3420 struct brcmf_cfg80211_dev
*cfg_dev
;
3424 WL_ERR("ndev is invalid\n");
3427 cfg_dev
= kzalloc(sizeof(struct brcmf_cfg80211_dev
), GFP_KERNEL
);
3431 wdev
= brcmf_alloc_wdev(sizeof(struct brcmf_cfg80211_iface
), busdev
);
3437 wdev
->iftype
= brcmf_mode_to_nl80211_iftype(WL_MODE_BSS
);
3438 cfg_priv
= wdev_to_cfg(wdev
);
3439 cfg_priv
->wdev
= wdev
;
3440 cfg_priv
->pub
= data
;
3441 ci
= (struct brcmf_cfg80211_iface
*)&cfg_priv
->ci
;
3442 ci
->cfg_priv
= cfg_priv
;
3443 ndev
->ieee80211_ptr
= wdev
;
3444 SET_NETDEV_DEV(ndev
, wiphy_dev(wdev
->wiphy
));
3445 wdev
->netdev
= ndev
;
3446 err
= wl_init_priv(cfg_priv
);
3448 WL_ERR("Failed to init iwm_priv (%d)\n", err
);
3449 goto cfg80211_attach_out
;
3451 brcmf_set_drvdata(cfg_dev
, ci
);
3455 cfg80211_attach_out
:
3456 brcmf_free_wdev(cfg_priv
);
3461 void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev
*cfg_dev
)
3463 struct brcmf_cfg80211_priv
*cfg_priv
;
3465 cfg_priv
= brcmf_priv_get(cfg_dev
);
3467 wl_deinit_priv(cfg_priv
);
3468 brcmf_free_wdev(cfg_priv
);
3469 brcmf_set_drvdata(cfg_dev
, NULL
);
3474 brcmf_cfg80211_event(struct net_device
*ndev
,
3475 const struct brcmf_event_msg
*e
, void *data
)
3477 u32 event_type
= be32_to_cpu(e
->event_type
);
3478 struct brcmf_cfg80211_priv
*cfg_priv
= ndev_to_cfg(ndev
);
3480 if (!brcmf_enq_event(cfg_priv
, event_type
, e
))
3481 schedule_work(&cfg_priv
->event_work
);
3484 static s32
brcmf_dongle_mode(struct net_device
*ndev
, s32 iftype
)
3490 case NL80211_IFTYPE_MONITOR
:
3491 case NL80211_IFTYPE_WDS
:
3492 WL_ERR("type (%d) : currently we do not support this mode\n",
3496 case NL80211_IFTYPE_ADHOC
:
3499 case NL80211_IFTYPE_STATION
:
3504 WL_ERR("invalid type (%d)\n", iftype
);
3507 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_SET_INFRA
, &infra
);
3509 WL_ERR("WLC_SET_INFRA error (%d)\n", err
);
3516 static s32
brcmf_dongle_eventmsg(struct net_device
*ndev
)
3518 /* Room for "event_msgs" + '\0' + bitvec */
3519 s8 iovbuf
[BRCMF_EVENTING_MASK_LEN
+ 12];
3520 s8 eventmask
[BRCMF_EVENTING_MASK_LEN
];
3523 WL_TRACE("Enter\n");
3525 /* Setup event_msgs */
3526 brcmf_c_mkiovar("event_msgs", eventmask
, BRCMF_EVENTING_MASK_LEN
,
3527 iovbuf
, sizeof(iovbuf
));
3528 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_GET_VAR
, iovbuf
, sizeof(iovbuf
));
3530 WL_ERR("Get event_msgs error (%d)\n", err
);
3531 goto dongle_eventmsg_out
;
3533 memcpy(eventmask
, iovbuf
, BRCMF_EVENTING_MASK_LEN
);
3535 setbit(eventmask
, BRCMF_E_SET_SSID
);
3536 setbit(eventmask
, BRCMF_E_ROAM
);
3537 setbit(eventmask
, BRCMF_E_PRUNE
);
3538 setbit(eventmask
, BRCMF_E_AUTH
);
3539 setbit(eventmask
, BRCMF_E_REASSOC
);
3540 setbit(eventmask
, BRCMF_E_REASSOC_IND
);
3541 setbit(eventmask
, BRCMF_E_DEAUTH_IND
);
3542 setbit(eventmask
, BRCMF_E_DISASSOC_IND
);
3543 setbit(eventmask
, BRCMF_E_DISASSOC
);
3544 setbit(eventmask
, BRCMF_E_JOIN
);
3545 setbit(eventmask
, BRCMF_E_ASSOC_IND
);
3546 setbit(eventmask
, BRCMF_E_PSK_SUP
);
3547 setbit(eventmask
, BRCMF_E_LINK
);
3548 setbit(eventmask
, BRCMF_E_NDIS_LINK
);
3549 setbit(eventmask
, BRCMF_E_MIC_ERROR
);
3550 setbit(eventmask
, BRCMF_E_PMKID_CACHE
);
3551 setbit(eventmask
, BRCMF_E_TXFAIL
);
3552 setbit(eventmask
, BRCMF_E_JOIN_START
);
3553 setbit(eventmask
, BRCMF_E_SCAN_COMPLETE
);
3555 brcmf_c_mkiovar("event_msgs", eventmask
, BRCMF_EVENTING_MASK_LEN
,
3556 iovbuf
, sizeof(iovbuf
));
3557 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_VAR
, iovbuf
, sizeof(iovbuf
));
3559 WL_ERR("Set event_msgs error (%d)\n", err
);
3560 goto dongle_eventmsg_out
;
3563 dongle_eventmsg_out
:
3569 brcmf_dongle_roam(struct net_device
*ndev
, u32 roamvar
, u32 bcn_timeout
)
3573 __le32 roamtrigger
[2];
3574 __le32 roam_delta
[2];
3579 * Setup timeout if Beacons are lost and roam is
3580 * off to report link down
3583 bcn_to_le
= cpu_to_le32(bcn_timeout
);
3584 brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_to_le
,
3585 sizeof(bcn_to_le
), iovbuf
, sizeof(iovbuf
));
3586 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_VAR
,
3587 iovbuf
, sizeof(iovbuf
));
3589 WL_ERR("bcn_timeout error (%d)\n", err
);
3590 goto dongle_rom_out
;
3595 * Enable/Disable built-in roaming to allow supplicant
3596 * to take care of roaming
3598 WL_INFO("Internal Roaming = %s\n", roamvar
? "Off" : "On");
3599 roamvar_le
= cpu_to_le32(roamvar
);
3600 brcmf_c_mkiovar("roam_off", (char *)&roamvar_le
,
3601 sizeof(roamvar_le
), iovbuf
, sizeof(iovbuf
));
3602 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_VAR
, iovbuf
, sizeof(iovbuf
));
3604 WL_ERR("roam_off error (%d)\n", err
);
3605 goto dongle_rom_out
;
3608 roamtrigger
[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL
);
3609 roamtrigger
[1] = cpu_to_le32(BRCM_BAND_ALL
);
3610 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_ROAM_TRIGGER
,
3611 (void *)roamtrigger
, sizeof(roamtrigger
));
3613 WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err
);
3614 goto dongle_rom_out
;
3617 roam_delta
[0] = cpu_to_le32(WL_ROAM_DELTA
);
3618 roam_delta
[1] = cpu_to_le32(BRCM_BAND_ALL
);
3619 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_ROAM_DELTA
,
3620 (void *)roam_delta
, sizeof(roam_delta
));
3622 WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err
);
3623 goto dongle_rom_out
;
3631 brcmf_dongle_scantime(struct net_device
*ndev
, s32 scan_assoc_time
,
3632 s32 scan_unassoc_time
, s32 scan_passive_time
)
3635 __le32 scan_assoc_tm_le
= cpu_to_le32(scan_assoc_time
);
3636 __le32 scan_unassoc_tm_le
= cpu_to_le32(scan_unassoc_time
);
3637 __le32 scan_passive_tm_le
= cpu_to_le32(scan_passive_time
);
3639 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_SCAN_CHANNEL_TIME
,
3640 &scan_assoc_tm_le
, sizeof(scan_assoc_tm_le
));
3642 if (err
== -EOPNOTSUPP
)
3643 WL_INFO("Scan assoc time is not supported\n");
3645 WL_ERR("Scan assoc time error (%d)\n", err
);
3646 goto dongle_scantime_out
;
3648 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_SCAN_UNASSOC_TIME
,
3649 &scan_unassoc_tm_le
, sizeof(scan_unassoc_tm_le
));
3651 if (err
== -EOPNOTSUPP
)
3652 WL_INFO("Scan unassoc time is not supported\n");
3654 WL_ERR("Scan unassoc time error (%d)\n", err
);
3655 goto dongle_scantime_out
;
3658 err
= brcmf_exec_dcmd(ndev
, BRCMF_C_SET_SCAN_PASSIVE_TIME
,
3659 &scan_passive_tm_le
, sizeof(scan_passive_tm_le
));
3661 if (err
== -EOPNOTSUPP
)
3662 WL_INFO("Scan passive time is not supported\n");
3664 WL_ERR("Scan passive time error (%d)\n", err
);
3665 goto dongle_scantime_out
;
3668 dongle_scantime_out
:
3672 static s32
wl_update_wiphybands(struct brcmf_cfg80211_priv
*cfg_priv
)
3674 struct wiphy
*wiphy
;
3679 err
= brcmf_exec_dcmd(cfg_to_ndev(cfg_priv
), BRCM_GET_PHYLIST
,
3680 &phy_list
, sizeof(phy_list
));
3682 WL_ERR("error (%d)\n", err
);
3686 phy
= ((char *)&phy_list
)[1];
3687 WL_INFO("%c phy\n", phy
);
3688 if (phy
== 'n' || phy
== 'a') {
3689 wiphy
= cfg_to_wiphy(cfg_priv
);
3690 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &__wl_band_5ghz_n
;
3696 static s32
brcmf_dongle_probecap(struct brcmf_cfg80211_priv
*cfg_priv
)
3698 return wl_update_wiphybands(cfg_priv
);
3701 static s32
brcmf_config_dongle(struct brcmf_cfg80211_priv
*cfg_priv
)
3703 struct net_device
*ndev
;
3704 struct wireless_dev
*wdev
;
3708 if (cfg_priv
->dongle_up
)
3711 ndev
= cfg_to_ndev(cfg_priv
);
3712 wdev
= ndev
->ieee80211_ptr
;
3714 brcmf_dongle_scantime(ndev
, WL_SCAN_CHANNEL_TIME
,
3715 WL_SCAN_UNASSOC_TIME
, WL_SCAN_PASSIVE_TIME
);
3717 err
= brcmf_dongle_eventmsg(ndev
);
3719 goto default_conf_out
;
3721 power_mode
= cfg_priv
->pwr_save
? PM_FAST
: PM_OFF
;
3722 err
= brcmf_exec_dcmd_u32(ndev
, BRCMF_C_SET_PM
, &power_mode
);
3724 goto default_conf_out
;
3725 WL_INFO("power save set to %s\n",
3726 (power_mode
? "enabled" : "disabled"));
3728 err
= brcmf_dongle_roam(ndev
, (cfg_priv
->roam_on
? 0 : 1),
3731 goto default_conf_out
;
3732 err
= brcmf_dongle_mode(ndev
, wdev
->iftype
);
3733 if (err
&& err
!= -EINPROGRESS
)
3734 goto default_conf_out
;
3735 err
= brcmf_dongle_probecap(cfg_priv
);
3737 goto default_conf_out
;
3739 /* -EINPROGRESS: Call commit handler */
3743 cfg_priv
->dongle_up
= true;
3749 static int brcmf_debugfs_add_netdev_params(struct brcmf_cfg80211_priv
*cfg_priv
)
3751 char buf
[10+IFNAMSIZ
];
3755 sprintf(buf
, "netdev:%s", cfg_to_ndev(cfg_priv
)->name
);
3756 cfg_priv
->debugfsdir
= debugfs_create_dir(buf
,
3757 cfg_to_wiphy(cfg_priv
)->debugfsdir
);
3759 fd
= debugfs_create_u16("beacon_int", S_IRUGO
, cfg_priv
->debugfsdir
,
3760 (u16
*)&cfg_priv
->profile
->beacon_interval
);
3766 fd
= debugfs_create_u8("dtim_period", S_IRUGO
, cfg_priv
->debugfsdir
,
3767 (u8
*)&cfg_priv
->profile
->dtim_period
);
3777 static void brcmf_debugfs_remove_netdev(struct brcmf_cfg80211_priv
*cfg_priv
)
3779 debugfs_remove_recursive(cfg_priv
->debugfsdir
);
3780 cfg_priv
->debugfsdir
= NULL
;
3783 static s32
__brcmf_cfg80211_up(struct brcmf_cfg80211_priv
*cfg_priv
)
3787 set_bit(WL_STATUS_READY
, &cfg_priv
->status
);
3789 brcmf_debugfs_add_netdev_params(cfg_priv
);
3791 err
= brcmf_config_dongle(cfg_priv
);
3795 brcmf_invoke_iscan(cfg_priv
);
3800 static s32
__brcmf_cfg80211_down(struct brcmf_cfg80211_priv
*cfg_priv
)
3803 * While going down, if associated with AP disassociate
3804 * from AP to save power
3806 if ((test_bit(WL_STATUS_CONNECTED
, &cfg_priv
->status
) ||
3807 test_bit(WL_STATUS_CONNECTING
, &cfg_priv
->status
)) &&
3808 test_bit(WL_STATUS_READY
, &cfg_priv
->status
)) {
3809 WL_INFO("Disassociating from AP");
3810 brcmf_link_down(cfg_priv
);
3812 /* Make sure WPA_Supplicant receives all the event
3813 generated due to DISASSOC call to the fw to keep
3814 the state fw and WPA_Supplicant state consistent
3819 set_bit(WL_STATUS_SCAN_ABORTING
, &cfg_priv
->status
);
3820 brcmf_term_iscan(cfg_priv
);
3821 if (cfg_priv
->scan_request
) {
3822 cfg80211_scan_done(cfg_priv
->scan_request
, true);
3823 /* May need to perform this to cover rmmod */
3824 /* wl_set_mpc(cfg_to_ndev(wl), 1); */
3825 cfg_priv
->scan_request
= NULL
;
3827 clear_bit(WL_STATUS_READY
, &cfg_priv
->status
);
3828 clear_bit(WL_STATUS_SCANNING
, &cfg_priv
->status
);
3829 clear_bit(WL_STATUS_SCAN_ABORTING
, &cfg_priv
->status
);
3831 brcmf_debugfs_remove_netdev(cfg_priv
);
3836 s32
brcmf_cfg80211_up(struct brcmf_cfg80211_dev
*cfg_dev
)
3838 struct brcmf_cfg80211_priv
*cfg_priv
;
3841 cfg_priv
= brcmf_priv_get(cfg_dev
);
3842 mutex_lock(&cfg_priv
->usr_sync
);
3843 err
= __brcmf_cfg80211_up(cfg_priv
);
3844 mutex_unlock(&cfg_priv
->usr_sync
);
3849 s32
brcmf_cfg80211_down(struct brcmf_cfg80211_dev
*cfg_dev
)
3851 struct brcmf_cfg80211_priv
*cfg_priv
;
3854 cfg_priv
= brcmf_priv_get(cfg_dev
);
3855 mutex_lock(&cfg_priv
->usr_sync
);
3856 err
= __brcmf_cfg80211_down(cfg_priv
);
3857 mutex_unlock(&cfg_priv
->usr_sync
);
3862 static __used s32
brcmf_add_ie(struct brcmf_cfg80211_priv
*cfg_priv
,
3865 struct brcmf_cfg80211_ie
*ie
= &cfg_priv
->ie
;
3868 if (ie
->offset
+ l
+ 2 > WL_TLV_INFO_MAX
) {
3869 WL_ERR("ei crosses buffer boundary\n");
3872 ie
->buf
[ie
->offset
] = t
;
3873 ie
->buf
[ie
->offset
+ 1] = l
;
3874 memcpy(&ie
->buf
[ie
->offset
+ 2], v
, l
);
3875 ie
->offset
+= l
+ 2;