2 * Copyright (c) 2004-2011 Atheros Communications Inc.
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
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 static unsigned int ath6kl_p2p
;
25 module_param(ath6kl_p2p
, uint
, 0644);
27 #define RATETAB_ENT(_rate, _rateid, _flags) { \
30 .hw_value = (_rateid), \
33 #define CHAN2G(_channel, _freq, _flags) { \
34 .band = IEEE80211_BAND_2GHZ, \
35 .hw_value = (_channel), \
36 .center_freq = (_freq), \
38 .max_antenna_gain = 0, \
42 #define CHAN5G(_channel, _flags) { \
43 .band = IEEE80211_BAND_5GHZ, \
44 .hw_value = (_channel), \
45 .center_freq = 5000 + (5 * (_channel)), \
47 .max_antenna_gain = 0, \
51 static struct ieee80211_rate ath6kl_rates
[] = {
52 RATETAB_ENT(10, 0x1, 0),
53 RATETAB_ENT(20, 0x2, 0),
54 RATETAB_ENT(55, 0x4, 0),
55 RATETAB_ENT(110, 0x8, 0),
56 RATETAB_ENT(60, 0x10, 0),
57 RATETAB_ENT(90, 0x20, 0),
58 RATETAB_ENT(120, 0x40, 0),
59 RATETAB_ENT(180, 0x80, 0),
60 RATETAB_ENT(240, 0x100, 0),
61 RATETAB_ENT(360, 0x200, 0),
62 RATETAB_ENT(480, 0x400, 0),
63 RATETAB_ENT(540, 0x800, 0),
66 #define ath6kl_a_rates (ath6kl_rates + 4)
67 #define ath6kl_a_rates_size 8
68 #define ath6kl_g_rates (ath6kl_rates + 0)
69 #define ath6kl_g_rates_size 12
71 static struct ieee80211_channel ath6kl_2ghz_channels
[] = {
88 static struct ieee80211_channel ath6kl_5ghz_a_channels
[] = {
89 CHAN5G(34, 0), CHAN5G(36, 0),
90 CHAN5G(38, 0), CHAN5G(40, 0),
91 CHAN5G(42, 0), CHAN5G(44, 0),
92 CHAN5G(46, 0), CHAN5G(48, 0),
93 CHAN5G(52, 0), CHAN5G(56, 0),
94 CHAN5G(60, 0), CHAN5G(64, 0),
95 CHAN5G(100, 0), CHAN5G(104, 0),
96 CHAN5G(108, 0), CHAN5G(112, 0),
97 CHAN5G(116, 0), CHAN5G(120, 0),
98 CHAN5G(124, 0), CHAN5G(128, 0),
99 CHAN5G(132, 0), CHAN5G(136, 0),
100 CHAN5G(140, 0), CHAN5G(149, 0),
101 CHAN5G(153, 0), CHAN5G(157, 0),
102 CHAN5G(161, 0), CHAN5G(165, 0),
103 CHAN5G(184, 0), CHAN5G(188, 0),
104 CHAN5G(192, 0), CHAN5G(196, 0),
105 CHAN5G(200, 0), CHAN5G(204, 0),
106 CHAN5G(208, 0), CHAN5G(212, 0),
110 static struct ieee80211_supported_band ath6kl_band_2ghz
= {
111 .n_channels
= ARRAY_SIZE(ath6kl_2ghz_channels
),
112 .channels
= ath6kl_2ghz_channels
,
113 .n_bitrates
= ath6kl_g_rates_size
,
114 .bitrates
= ath6kl_g_rates
,
117 static struct ieee80211_supported_band ath6kl_band_5ghz
= {
118 .n_channels
= ARRAY_SIZE(ath6kl_5ghz_a_channels
),
119 .channels
= ath6kl_5ghz_a_channels
,
120 .n_bitrates
= ath6kl_a_rates_size
,
121 .bitrates
= ath6kl_a_rates
,
124 static int ath6kl_set_wpa_version(struct ath6kl
*ar
,
125 enum nl80211_wpa_versions wpa_version
)
127 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: %u\n", __func__
, wpa_version
);
130 ar
->auth_mode
= NONE_AUTH
;
131 } else if (wpa_version
& NL80211_WPA_VERSION_2
) {
132 ar
->auth_mode
= WPA2_AUTH
;
133 } else if (wpa_version
& NL80211_WPA_VERSION_1
) {
134 ar
->auth_mode
= WPA_AUTH
;
136 ath6kl_err("%s: %u not supported\n", __func__
, wpa_version
);
143 static int ath6kl_set_auth_type(struct ath6kl
*ar
,
144 enum nl80211_auth_type auth_type
)
147 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: 0x%x\n", __func__
, auth_type
);
150 case NL80211_AUTHTYPE_OPEN_SYSTEM
:
151 ar
->dot11_auth_mode
= OPEN_AUTH
;
153 case NL80211_AUTHTYPE_SHARED_KEY
:
154 ar
->dot11_auth_mode
= SHARED_AUTH
;
156 case NL80211_AUTHTYPE_NETWORK_EAP
:
157 ar
->dot11_auth_mode
= LEAP_AUTH
;
160 case NL80211_AUTHTYPE_AUTOMATIC
:
161 ar
->dot11_auth_mode
= OPEN_AUTH
| SHARED_AUTH
;
165 ath6kl_err("%s: 0x%x not spported\n", __func__
, auth_type
);
172 static int ath6kl_set_cipher(struct ath6kl
*ar
, u32 cipher
, bool ucast
)
174 u8
*ar_cipher
= ucast
? &ar
->prwise_crypto
: &ar
->grp_crypto
;
175 u8
*ar_cipher_len
= ucast
? &ar
->prwise_crypto_len
:
178 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: cipher 0x%x, ucast %u\n",
179 __func__
, cipher
, ucast
);
183 /* our own hack to use value 0 as no crypto used */
184 *ar_cipher
= NONE_CRYPT
;
187 case WLAN_CIPHER_SUITE_WEP40
:
188 *ar_cipher
= WEP_CRYPT
;
191 case WLAN_CIPHER_SUITE_WEP104
:
192 *ar_cipher
= WEP_CRYPT
;
195 case WLAN_CIPHER_SUITE_TKIP
:
196 *ar_cipher
= TKIP_CRYPT
;
199 case WLAN_CIPHER_SUITE_CCMP
:
200 *ar_cipher
= AES_CRYPT
;
204 ath6kl_err("cipher 0x%x not supported\n", cipher
);
211 static void ath6kl_set_key_mgmt(struct ath6kl
*ar
, u32 key_mgmt
)
213 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: 0x%x\n", __func__
, key_mgmt
);
215 if (key_mgmt
== WLAN_AKM_SUITE_PSK
) {
216 if (ar
->auth_mode
== WPA_AUTH
)
217 ar
->auth_mode
= WPA_PSK_AUTH
;
218 else if (ar
->auth_mode
== WPA2_AUTH
)
219 ar
->auth_mode
= WPA2_PSK_AUTH
;
220 } else if (key_mgmt
!= WLAN_AKM_SUITE_8021X
) {
221 ar
->auth_mode
= NONE_AUTH
;
225 static bool ath6kl_cfg80211_ready(struct ath6kl
*ar
)
227 if (!test_bit(WMI_READY
, &ar
->flag
)) {
228 ath6kl_err("wmi is not ready\n");
232 if (!test_bit(WLAN_ENABLED
, &ar
->flag
)) {
233 ath6kl_err("wlan disabled\n");
240 static int ath6kl_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
241 struct cfg80211_connect_params
*sme
)
243 struct ath6kl
*ar
= ath6kl_priv(dev
);
246 ar
->sme_state
= SME_CONNECTING
;
248 if (!ath6kl_cfg80211_ready(ar
))
251 if (test_bit(DESTROY_IN_PROGRESS
, &ar
->flag
)) {
252 ath6kl_err("destroy in progress\n");
256 if (test_bit(SKIP_SCAN
, &ar
->flag
) &&
257 ((sme
->channel
&& sme
->channel
->center_freq
== 0) ||
258 (sme
->bssid
&& is_zero_ether_addr(sme
->bssid
)))) {
259 ath6kl_err("SkipScan: channel or bssid invalid\n");
263 if (down_interruptible(&ar
->sem
)) {
264 ath6kl_err("busy, couldn't get access\n");
268 if (test_bit(DESTROY_IN_PROGRESS
, &ar
->flag
)) {
269 ath6kl_err("busy, destroy in progress\n");
274 if (ar
->tx_pending
[ath6kl_wmi_get_control_ep(ar
->wmi
)]) {
276 * sleep until the command queue drains
278 wait_event_interruptible_timeout(ar
->event_wq
,
279 ar
->tx_pending
[ath6kl_wmi_get_control_ep(ar
->wmi
)] == 0,
281 if (signal_pending(current
)) {
282 ath6kl_err("cmd queue drain timeout\n");
288 if (test_bit(CONNECTED
, &ar
->flag
) &&
289 ar
->ssid_len
== sme
->ssid_len
&&
290 !memcmp(ar
->ssid
, sme
->ssid
, ar
->ssid_len
)) {
291 ar
->reconnect_flag
= true;
292 status
= ath6kl_wmi_reconnect_cmd(ar
->wmi
, ar
->req_bssid
,
297 ath6kl_err("wmi_reconnect_cmd failed\n");
301 } else if (ar
->ssid_len
== sme
->ssid_len
&&
302 !memcmp(ar
->ssid
, sme
->ssid
, ar
->ssid_len
)) {
303 ath6kl_disconnect(ar
);
306 memset(ar
->ssid
, 0, sizeof(ar
->ssid
));
307 ar
->ssid_len
= sme
->ssid_len
;
308 memcpy(ar
->ssid
, sme
->ssid
, sme
->ssid_len
);
311 ar
->ch_hint
= sme
->channel
->center_freq
;
313 memset(ar
->req_bssid
, 0, sizeof(ar
->req_bssid
));
314 if (sme
->bssid
&& !is_broadcast_ether_addr(sme
->bssid
))
315 memcpy(ar
->req_bssid
, sme
->bssid
, sizeof(ar
->req_bssid
));
317 ath6kl_set_wpa_version(ar
, sme
->crypto
.wpa_versions
);
319 status
= ath6kl_set_auth_type(ar
, sme
->auth_type
);
325 if (sme
->crypto
.n_ciphers_pairwise
)
326 ath6kl_set_cipher(ar
, sme
->crypto
.ciphers_pairwise
[0], true);
328 ath6kl_set_cipher(ar
, 0, true);
330 ath6kl_set_cipher(ar
, sme
->crypto
.cipher_group
, false);
332 if (sme
->crypto
.n_akm_suites
)
333 ath6kl_set_key_mgmt(ar
, sme
->crypto
.akm_suites
[0]);
335 if ((sme
->key_len
) &&
336 (ar
->auth_mode
== NONE_AUTH
) && (ar
->prwise_crypto
== WEP_CRYPT
)) {
337 struct ath6kl_key
*key
= NULL
;
339 if (sme
->key_idx
< WMI_MIN_KEY_INDEX
||
340 sme
->key_idx
> WMI_MAX_KEY_INDEX
) {
341 ath6kl_err("key index %d out of bounds\n",
347 key
= &ar
->keys
[sme
->key_idx
];
348 key
->key_len
= sme
->key_len
;
349 memcpy(key
->key
, sme
->key
, key
->key_len
);
350 key
->cipher
= ar
->prwise_crypto
;
351 ar
->def_txkey_index
= sme
->key_idx
;
353 ath6kl_wmi_addkey_cmd(ar
->wmi
, sme
->key_idx
,
355 GROUP_USAGE
| TX_USAGE
,
358 key
->key
, KEY_OP_INIT_VAL
, NULL
,
362 if (!ar
->usr_bss_filter
) {
363 clear_bit(CLEAR_BSSFILTER_ON_BEACON
, &ar
->flag
);
364 if (ath6kl_wmi_bssfilter_cmd(ar
->wmi
, ALL_BSS_FILTER
, 0) != 0) {
365 ath6kl_err("couldn't set bss filtering\n");
371 ar
->nw_type
= ar
->next_mode
;
373 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
374 "%s: connect called with authmode %d dot11 auth %d"
375 " PW crypto %d PW crypto len %d GRP crypto %d"
376 " GRP crypto len %d channel hint %u\n",
378 ar
->auth_mode
, ar
->dot11_auth_mode
, ar
->prwise_crypto
,
379 ar
->prwise_crypto_len
, ar
->grp_crypto
,
380 ar
->grp_crypto_len
, ar
->ch_hint
);
382 ar
->reconnect_flag
= 0;
383 status
= ath6kl_wmi_connect_cmd(ar
->wmi
, ar
->nw_type
,
384 ar
->dot11_auth_mode
, ar
->auth_mode
,
386 ar
->prwise_crypto_len
,
387 ar
->grp_crypto
, ar
->grp_crypto_len
,
388 ar
->ssid_len
, ar
->ssid
,
389 ar
->req_bssid
, ar
->ch_hint
,
390 ar
->connect_ctrl_flags
);
394 if (status
== -EINVAL
) {
395 memset(ar
->ssid
, 0, sizeof(ar
->ssid
));
397 ath6kl_err("invalid request\n");
400 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
404 if ((!(ar
->connect_ctrl_flags
& CONNECT_DO_WPA_OFFLOAD
)) &&
405 ((ar
->auth_mode
== WPA_PSK_AUTH
)
406 || (ar
->auth_mode
== WPA2_PSK_AUTH
))) {
407 mod_timer(&ar
->disconnect_timer
,
408 jiffies
+ msecs_to_jiffies(DISCON_TIMER_INTVAL
));
411 ar
->connect_ctrl_flags
&= ~CONNECT_DO_WPA_OFFLOAD
;
412 set_bit(CONNECT_PEND
, &ar
->flag
);
417 static int ath6kl_add_bss_if_needed(struct ath6kl
*ar
, const u8
*bssid
,
418 struct ieee80211_channel
*chan
,
419 const u8
*beacon_ie
, size_t beacon_ie_len
)
421 struct cfg80211_bss
*bss
;
424 bss
= cfg80211_get_bss(ar
->wdev
->wiphy
, chan
, bssid
,
425 ar
->ssid
, ar
->ssid_len
, WLAN_CAPABILITY_ESS
,
426 WLAN_CAPABILITY_ESS
);
429 * Since cfg80211 may not yet know about the BSS,
430 * generate a partial entry until the first BSS info
431 * event becomes available.
433 * Prepend SSID element since it is not included in the Beacon
434 * IEs from the target.
436 ie
= kmalloc(2 + ar
->ssid_len
+ beacon_ie_len
, GFP_KERNEL
);
439 ie
[0] = WLAN_EID_SSID
;
440 ie
[1] = ar
->ssid_len
;
441 memcpy(ie
+ 2, ar
->ssid
, ar
->ssid_len
);
442 memcpy(ie
+ 2 + ar
->ssid_len
, beacon_ie
, beacon_ie_len
);
443 bss
= cfg80211_inform_bss(ar
->wdev
->wiphy
, chan
,
444 bssid
, 0, WLAN_CAPABILITY_ESS
, 100,
445 ie
, 2 + ar
->ssid_len
+ beacon_ie_len
,
448 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "added dummy bss for "
449 "%pM prior to indicating connect/roamed "
453 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "cfg80211 already has a bss "
459 cfg80211_put_bss(bss
);
464 void ath6kl_cfg80211_connect_event(struct ath6kl
*ar
, u16 channel
,
465 u8
*bssid
, u16 listen_intvl
,
467 enum network_type nw_type
,
468 u8 beacon_ie_len
, u8 assoc_req_len
,
469 u8 assoc_resp_len
, u8
*assoc_info
)
471 struct ieee80211_channel
*chan
;
473 /* capinfo + listen interval */
474 u8 assoc_req_ie_offset
= sizeof(u16
) + sizeof(u16
);
476 /* capinfo + status code + associd */
477 u8 assoc_resp_ie_offset
= sizeof(u16
) + sizeof(u16
) + sizeof(u16
);
479 u8
*assoc_req_ie
= assoc_info
+ beacon_ie_len
+ assoc_req_ie_offset
;
480 u8
*assoc_resp_ie
= assoc_info
+ beacon_ie_len
+ assoc_req_len
+
481 assoc_resp_ie_offset
;
483 assoc_req_len
-= assoc_req_ie_offset
;
484 assoc_resp_len
-= assoc_resp_ie_offset
;
487 * Store Beacon interval here; DTIM period will be available only once
488 * a Beacon frame from the AP is seen.
490 ar
->assoc_bss_beacon_int
= beacon_intvl
;
491 clear_bit(DTIM_PERIOD_AVAIL
, &ar
->flag
);
493 if (nw_type
& ADHOC_NETWORK
) {
494 if (ar
->wdev
->iftype
!= NL80211_IFTYPE_ADHOC
) {
495 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
496 "%s: ath6k not in ibss mode\n", __func__
);
501 if (nw_type
& INFRA_NETWORK
) {
502 if (ar
->wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
503 ar
->wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
) {
504 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
505 "%s: ath6k not in station mode\n", __func__
);
510 chan
= ieee80211_get_channel(ar
->wdev
->wiphy
, (int) channel
);
513 if (nw_type
& ADHOC_NETWORK
) {
514 cfg80211_ibss_joined(ar
->net_dev
, bssid
, GFP_KERNEL
);
518 if (ath6kl_add_bss_if_needed(ar
, bssid
, chan
, assoc_info
,
519 beacon_ie_len
) < 0) {
520 ath6kl_err("could not add cfg80211 bss entry for "
521 "connect/roamed notification\n");
525 if (ar
->sme_state
== SME_CONNECTING
) {
526 /* inform connect result to cfg80211 */
527 ar
->sme_state
= SME_CONNECTED
;
528 cfg80211_connect_result(ar
->net_dev
, bssid
,
529 assoc_req_ie
, assoc_req_len
,
530 assoc_resp_ie
, assoc_resp_len
,
531 WLAN_STATUS_SUCCESS
, GFP_KERNEL
);
532 } else if (ar
->sme_state
== SME_CONNECTED
) {
533 /* inform roam event to cfg80211 */
534 cfg80211_roamed(ar
->net_dev
, chan
, bssid
,
535 assoc_req_ie
, assoc_req_len
,
536 assoc_resp_ie
, assoc_resp_len
, GFP_KERNEL
);
540 static int ath6kl_cfg80211_disconnect(struct wiphy
*wiphy
,
541 struct net_device
*dev
, u16 reason_code
)
543 struct ath6kl
*ar
= (struct ath6kl
*)ath6kl_priv(dev
);
545 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: reason=%u\n", __func__
,
548 if (!ath6kl_cfg80211_ready(ar
))
551 if (test_bit(DESTROY_IN_PROGRESS
, &ar
->flag
)) {
552 ath6kl_err("busy, destroy in progress\n");
556 if (down_interruptible(&ar
->sem
)) {
557 ath6kl_err("busy, couldn't get access\n");
561 ar
->reconnect_flag
= 0;
562 ath6kl_disconnect(ar
);
563 memset(ar
->ssid
, 0, sizeof(ar
->ssid
));
566 if (!test_bit(SKIP_SCAN
, &ar
->flag
))
567 memset(ar
->req_bssid
, 0, sizeof(ar
->req_bssid
));
571 ar
->sme_state
= SME_DISCONNECTED
;
576 void ath6kl_cfg80211_disconnect_event(struct ath6kl
*ar
, u8 reason
,
577 u8
*bssid
, u8 assoc_resp_len
,
578 u8
*assoc_info
, u16 proto_reason
)
581 cfg80211_scan_done(ar
->scan_req
, true);
585 if (ar
->nw_type
& ADHOC_NETWORK
) {
586 if (ar
->wdev
->iftype
!= NL80211_IFTYPE_ADHOC
) {
587 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
588 "%s: ath6k not in ibss mode\n", __func__
);
591 memset(bssid
, 0, ETH_ALEN
);
592 cfg80211_ibss_joined(ar
->net_dev
, bssid
, GFP_KERNEL
);
596 if (ar
->nw_type
& INFRA_NETWORK
) {
597 if (ar
->wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
598 ar
->wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
) {
599 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
600 "%s: ath6k not in station mode\n", __func__
);
606 * Send a disconnect command to target when a disconnect event is
607 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
608 * request from host) to make the firmware stop trying to connect even
609 * after giving disconnect event. There will be one more disconnect
610 * event for this disconnect command with reason code DISCONNECT_CMD
611 * which will be notified to cfg80211.
614 if (reason
!= DISCONNECT_CMD
) {
615 ath6kl_wmi_disconnect_cmd(ar
->wmi
);
619 clear_bit(CONNECT_PEND
, &ar
->flag
);
621 if (ar
->sme_state
== SME_CONNECTING
) {
622 cfg80211_connect_result(ar
->net_dev
,
625 WLAN_STATUS_UNSPECIFIED_FAILURE
,
627 } else if (ar
->sme_state
== SME_CONNECTED
) {
628 cfg80211_disconnected(ar
->net_dev
, reason
,
629 NULL
, 0, GFP_KERNEL
);
632 ar
->sme_state
= SME_DISCONNECTED
;
635 static int ath6kl_cfg80211_scan(struct wiphy
*wiphy
, struct net_device
*ndev
,
636 struct cfg80211_scan_request
*request
)
638 struct ath6kl
*ar
= (struct ath6kl
*)ath6kl_priv(ndev
);
640 u16
*channels
= NULL
;
643 if (!ath6kl_cfg80211_ready(ar
))
646 if (!ar
->usr_bss_filter
) {
647 clear_bit(CLEAR_BSSFILTER_ON_BEACON
, &ar
->flag
);
648 ret
= ath6kl_wmi_bssfilter_cmd(
650 (test_bit(CONNECTED
, &ar
->flag
) ?
651 ALL_BUT_BSS_FILTER
: ALL_BSS_FILTER
), 0);
653 ath6kl_err("couldn't set bss filtering\n");
658 if (request
->n_ssids
&& request
->ssids
[0].ssid_len
) {
661 if (request
->n_ssids
> (MAX_PROBED_SSID_INDEX
- 1))
662 request
->n_ssids
= MAX_PROBED_SSID_INDEX
- 1;
664 for (i
= 0; i
< request
->n_ssids
; i
++)
665 ath6kl_wmi_probedssid_cmd(ar
->wmi
, i
+ 1,
667 request
->ssids
[i
].ssid_len
,
668 request
->ssids
[i
].ssid
);
672 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, WMI_FRAME_PROBE_REQ
,
673 request
->ie
, request
->ie_len
);
675 ath6kl_err("failed to set Probe Request appie for "
682 * Scan only the requested channels if the request specifies a set of
683 * channels. If the list is longer than the target supports, do not
684 * configure the list and instead, scan all available channels.
686 if (request
->n_channels
> 0 &&
687 request
->n_channels
<= WMI_MAX_CHANNELS
) {
690 n_channels
= request
->n_channels
;
692 channels
= kzalloc(n_channels
* sizeof(u16
), GFP_KERNEL
);
693 if (channels
== NULL
) {
694 ath6kl_warn("failed to set scan channels, "
695 "scan all channels");
699 for (i
= 0; i
< n_channels
; i
++)
700 channels
[i
] = request
->channels
[i
]->center_freq
;
703 ret
= ath6kl_wmi_startscan_cmd(ar
->wmi
, WMI_LONG_SCAN
, 0,
704 false, 0, 0, n_channels
, channels
);
706 ath6kl_err("wmi_startscan_cmd failed\n");
708 ar
->scan_req
= request
;
715 void ath6kl_cfg80211_scan_complete_event(struct ath6kl
*ar
, int status
)
719 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: status %d\n", __func__
, status
);
724 if ((status
== -ECANCELED
) || (status
== -EBUSY
)) {
725 cfg80211_scan_done(ar
->scan_req
, true);
729 cfg80211_scan_done(ar
->scan_req
, false);
731 if (ar
->scan_req
->n_ssids
&& ar
->scan_req
->ssids
[0].ssid_len
) {
732 for (i
= 0; i
< ar
->scan_req
->n_ssids
; i
++) {
733 ath6kl_wmi_probedssid_cmd(ar
->wmi
, i
+ 1,
743 static int ath6kl_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
744 u8 key_index
, bool pairwise
,
746 struct key_params
*params
)
748 struct ath6kl
*ar
= (struct ath6kl
*)ath6kl_priv(ndev
);
749 struct ath6kl_key
*key
= NULL
;
754 if (!ath6kl_cfg80211_ready(ar
))
757 if (key_index
< WMI_MIN_KEY_INDEX
|| key_index
> WMI_MAX_KEY_INDEX
) {
758 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
759 "%s: key index %d out of bounds\n", __func__
,
764 key
= &ar
->keys
[key_index
];
765 memset(key
, 0, sizeof(struct ath6kl_key
));
768 key_usage
= PAIRWISE_USAGE
;
770 key_usage
= GROUP_USAGE
;
773 if (params
->key_len
> WLAN_MAX_KEY_LEN
||
774 params
->seq_len
> sizeof(key
->seq
))
777 key
->key_len
= params
->key_len
;
778 memcpy(key
->key
, params
->key
, key
->key_len
);
779 key
->seq_len
= params
->seq_len
;
780 memcpy(key
->seq
, params
->seq
, key
->seq_len
);
781 key
->cipher
= params
->cipher
;
784 switch (key
->cipher
) {
785 case WLAN_CIPHER_SUITE_WEP40
:
786 case WLAN_CIPHER_SUITE_WEP104
:
787 key_type
= WEP_CRYPT
;
790 case WLAN_CIPHER_SUITE_TKIP
:
791 key_type
= TKIP_CRYPT
;
794 case WLAN_CIPHER_SUITE_CCMP
:
795 key_type
= AES_CRYPT
;
802 if (((ar
->auth_mode
== WPA_PSK_AUTH
)
803 || (ar
->auth_mode
== WPA2_PSK_AUTH
))
804 && (key_usage
& GROUP_USAGE
))
805 del_timer(&ar
->disconnect_timer
);
807 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
808 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
809 __func__
, key_index
, key
->key_len
, key_type
,
810 key_usage
, key
->seq_len
);
812 ar
->def_txkey_index
= key_index
;
814 if (ar
->nw_type
== AP_NETWORK
&& !pairwise
&&
815 (key_type
== TKIP_CRYPT
|| key_type
== AES_CRYPT
) && params
) {
816 ar
->ap_mode_bkey
.valid
= true;
817 ar
->ap_mode_bkey
.key_index
= key_index
;
818 ar
->ap_mode_bkey
.key_type
= key_type
;
819 ar
->ap_mode_bkey
.key_len
= key
->key_len
;
820 memcpy(ar
->ap_mode_bkey
.key
, key
->key
, key
->key_len
);
821 if (!test_bit(CONNECTED
, &ar
->flag
)) {
822 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "Delay initial group "
823 "key configuration until AP mode has been "
826 * The key will be set in ath6kl_connect_ap_mode() once
827 * the connected event is received from the target.
833 if (ar
->next_mode
== AP_NETWORK
&& key_type
== WEP_CRYPT
&&
834 !test_bit(CONNECTED
, &ar
->flag
)) {
836 * Store the key locally so that it can be re-configured after
837 * the AP mode has properly started
838 * (ath6kl_install_statioc_wep_keys).
840 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "Delay WEP key configuration "
841 "until AP mode has been started\n");
842 ar
->wep_key_list
[key_index
].key_len
= key
->key_len
;
843 memcpy(ar
->wep_key_list
[key_index
].key
, key
->key
, key
->key_len
);
847 status
= ath6kl_wmi_addkey_cmd(ar
->wmi
, ar
->def_txkey_index
,
848 key_type
, key_usage
, key
->key_len
,
849 key
->seq
, key
->key
, KEY_OP_INIT_VAL
,
850 (u8
*) mac_addr
, SYNC_BOTH_WMIFLAG
);
858 static int ath6kl_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
859 u8 key_index
, bool pairwise
,
862 struct ath6kl
*ar
= (struct ath6kl
*)ath6kl_priv(ndev
);
864 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
866 if (!ath6kl_cfg80211_ready(ar
))
869 if (key_index
< WMI_MIN_KEY_INDEX
|| key_index
> WMI_MAX_KEY_INDEX
) {
870 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
871 "%s: key index %d out of bounds\n", __func__
,
876 if (!ar
->keys
[key_index
].key_len
) {
877 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
878 "%s: index %d is empty\n", __func__
, key_index
);
882 ar
->keys
[key_index
].key_len
= 0;
884 return ath6kl_wmi_deletekey_cmd(ar
->wmi
, key_index
);
887 static int ath6kl_cfg80211_get_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
888 u8 key_index
, bool pairwise
,
889 const u8
*mac_addr
, void *cookie
,
890 void (*callback
) (void *cookie
,
891 struct key_params
*))
893 struct ath6kl
*ar
= (struct ath6kl
*)ath6kl_priv(ndev
);
894 struct ath6kl_key
*key
= NULL
;
895 struct key_params params
;
897 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
899 if (!ath6kl_cfg80211_ready(ar
))
902 if (key_index
< WMI_MIN_KEY_INDEX
|| key_index
> WMI_MAX_KEY_INDEX
) {
903 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
904 "%s: key index %d out of bounds\n", __func__
,
909 key
= &ar
->keys
[key_index
];
910 memset(¶ms
, 0, sizeof(params
));
911 params
.cipher
= key
->cipher
;
912 params
.key_len
= key
->key_len
;
913 params
.seq_len
= key
->seq_len
;
914 params
.seq
= key
->seq
;
915 params
.key
= key
->key
;
917 callback(cookie
, ¶ms
);
919 return key
->key_len
? 0 : -ENOENT
;
922 static int ath6kl_cfg80211_set_default_key(struct wiphy
*wiphy
,
923 struct net_device
*ndev
,
924 u8 key_index
, bool unicast
,
927 struct ath6kl
*ar
= (struct ath6kl
*)ath6kl_priv(ndev
);
928 struct ath6kl_key
*key
= NULL
;
931 enum crypto_type key_type
= NONE_CRYPT
;
933 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
935 if (!ath6kl_cfg80211_ready(ar
))
938 if (key_index
< WMI_MIN_KEY_INDEX
|| key_index
> WMI_MAX_KEY_INDEX
) {
939 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
940 "%s: key index %d out of bounds\n",
941 __func__
, key_index
);
945 if (!ar
->keys
[key_index
].key_len
) {
946 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: invalid key index %d\n",
947 __func__
, key_index
);
951 ar
->def_txkey_index
= key_index
;
952 key
= &ar
->keys
[ar
->def_txkey_index
];
953 key_usage
= GROUP_USAGE
;
954 if (ar
->prwise_crypto
== WEP_CRYPT
)
955 key_usage
|= TX_USAGE
;
957 key_type
= ar
->prwise_crypto
;
959 key_type
= ar
->grp_crypto
;
961 if (ar
->next_mode
== AP_NETWORK
&& !test_bit(CONNECTED
, &ar
->flag
))
962 return 0; /* Delay until AP mode has been started */
964 status
= ath6kl_wmi_addkey_cmd(ar
->wmi
, ar
->def_txkey_index
,
966 key
->key_len
, key
->seq
, key
->key
,
967 KEY_OP_INIT_VAL
, NULL
,
975 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl
*ar
, u8 keyid
,
978 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
979 "%s: keyid %d, ismcast %d\n", __func__
, keyid
, ismcast
);
981 cfg80211_michael_mic_failure(ar
->net_dev
, ar
->bssid
,
982 (ismcast
? NL80211_KEYTYPE_GROUP
:
983 NL80211_KEYTYPE_PAIRWISE
), keyid
, NULL
,
987 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
989 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
992 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: changed 0x%x\n", __func__
,
995 if (!ath6kl_cfg80211_ready(ar
))
998 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
999 ret
= ath6kl_wmi_set_rts_cmd(ar
->wmi
, wiphy
->rts_threshold
);
1001 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1010 * The type nl80211_tx_power_setting replaces the following
1011 * data type from 2.6.36 onwards
1013 static int ath6kl_cfg80211_set_txpower(struct wiphy
*wiphy
,
1014 enum nl80211_tx_power_setting type
,
1017 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1020 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type 0x%x, dbm %d\n", __func__
,
1023 if (!ath6kl_cfg80211_ready(ar
))
1027 case NL80211_TX_POWER_AUTOMATIC
:
1029 case NL80211_TX_POWER_LIMITED
:
1030 ar
->tx_pwr
= ath6kl_dbm
= dbm
;
1033 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type 0x%x not supported\n",
1038 ath6kl_wmi_set_tx_pwr_cmd(ar
->wmi
, ath6kl_dbm
);
1043 static int ath6kl_cfg80211_get_txpower(struct wiphy
*wiphy
, int *dbm
)
1045 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1047 if (!ath6kl_cfg80211_ready(ar
))
1050 if (test_bit(CONNECTED
, &ar
->flag
)) {
1053 if (ath6kl_wmi_get_tx_pwr_cmd(ar
->wmi
) != 0) {
1054 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1058 wait_event_interruptible_timeout(ar
->event_wq
, ar
->tx_pwr
!= 0,
1061 if (signal_pending(current
)) {
1062 ath6kl_err("target did not respond\n");
1071 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
1072 struct net_device
*dev
,
1073 bool pmgmt
, int timeout
)
1075 struct ath6kl
*ar
= ath6kl_priv(dev
);
1076 struct wmi_power_mode_cmd mode
;
1078 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: pmgmt %d, timeout %d\n",
1079 __func__
, pmgmt
, timeout
);
1081 if (!ath6kl_cfg80211_ready(ar
))
1085 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: max perf\n", __func__
);
1086 mode
.pwr_mode
= REC_POWER
;
1088 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: rec power\n", __func__
);
1089 mode
.pwr_mode
= MAX_PERF_POWER
;
1092 if (ath6kl_wmi_powermode_cmd(ar
->wmi
, mode
.pwr_mode
) != 0) {
1093 ath6kl_err("wmi_powermode_cmd failed\n");
1100 static int ath6kl_cfg80211_change_iface(struct wiphy
*wiphy
,
1101 struct net_device
*ndev
,
1102 enum nl80211_iftype type
, u32
*flags
,
1103 struct vif_params
*params
)
1105 struct ath6kl
*ar
= ath6kl_priv(ndev
);
1106 struct wireless_dev
*wdev
= ar
->wdev
;
1108 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type %u\n", __func__
, type
);
1110 if (!ath6kl_cfg80211_ready(ar
))
1114 case NL80211_IFTYPE_STATION
:
1115 ar
->next_mode
= INFRA_NETWORK
;
1117 case NL80211_IFTYPE_ADHOC
:
1118 ar
->next_mode
= ADHOC_NETWORK
;
1120 case NL80211_IFTYPE_AP
:
1121 ar
->next_mode
= AP_NETWORK
;
1123 case NL80211_IFTYPE_P2P_CLIENT
:
1124 ar
->next_mode
= INFRA_NETWORK
;
1126 case NL80211_IFTYPE_P2P_GO
:
1127 ar
->next_mode
= AP_NETWORK
;
1130 ath6kl_err("invalid interface type %u\n", type
);
1134 wdev
->iftype
= type
;
1139 static int ath6kl_cfg80211_join_ibss(struct wiphy
*wiphy
,
1140 struct net_device
*dev
,
1141 struct cfg80211_ibss_params
*ibss_param
)
1143 struct ath6kl
*ar
= ath6kl_priv(dev
);
1146 if (!ath6kl_cfg80211_ready(ar
))
1149 ar
->ssid_len
= ibss_param
->ssid_len
;
1150 memcpy(ar
->ssid
, ibss_param
->ssid
, ar
->ssid_len
);
1152 if (ibss_param
->channel
)
1153 ar
->ch_hint
= ibss_param
->channel
->center_freq
;
1155 if (ibss_param
->channel_fixed
) {
1157 * TODO: channel_fixed: The channel should be fixed, do not
1158 * search for IBSSs to join on other channels. Target
1159 * firmware does not support this feature, needs to be
1165 memset(ar
->req_bssid
, 0, sizeof(ar
->req_bssid
));
1166 if (ibss_param
->bssid
&& !is_broadcast_ether_addr(ibss_param
->bssid
))
1167 memcpy(ar
->req_bssid
, ibss_param
->bssid
, sizeof(ar
->req_bssid
));
1169 ath6kl_set_wpa_version(ar
, 0);
1171 status
= ath6kl_set_auth_type(ar
, NL80211_AUTHTYPE_OPEN_SYSTEM
);
1175 if (ibss_param
->privacy
) {
1176 ath6kl_set_cipher(ar
, WLAN_CIPHER_SUITE_WEP40
, true);
1177 ath6kl_set_cipher(ar
, WLAN_CIPHER_SUITE_WEP40
, false);
1179 ath6kl_set_cipher(ar
, 0, true);
1180 ath6kl_set_cipher(ar
, 0, false);
1183 ar
->nw_type
= ar
->next_mode
;
1185 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1186 "%s: connect called with authmode %d dot11 auth %d"
1187 " PW crypto %d PW crypto len %d GRP crypto %d"
1188 " GRP crypto len %d channel hint %u\n",
1190 ar
->auth_mode
, ar
->dot11_auth_mode
, ar
->prwise_crypto
,
1191 ar
->prwise_crypto_len
, ar
->grp_crypto
,
1192 ar
->grp_crypto_len
, ar
->ch_hint
);
1194 status
= ath6kl_wmi_connect_cmd(ar
->wmi
, ar
->nw_type
,
1195 ar
->dot11_auth_mode
, ar
->auth_mode
,
1197 ar
->prwise_crypto_len
,
1198 ar
->grp_crypto
, ar
->grp_crypto_len
,
1199 ar
->ssid_len
, ar
->ssid
,
1200 ar
->req_bssid
, ar
->ch_hint
,
1201 ar
->connect_ctrl_flags
);
1202 set_bit(CONNECT_PEND
, &ar
->flag
);
1207 static int ath6kl_cfg80211_leave_ibss(struct wiphy
*wiphy
,
1208 struct net_device
*dev
)
1210 struct ath6kl
*ar
= (struct ath6kl
*)ath6kl_priv(dev
);
1212 if (!ath6kl_cfg80211_ready(ar
))
1215 ath6kl_disconnect(ar
);
1216 memset(ar
->ssid
, 0, sizeof(ar
->ssid
));
1222 static const u32 cipher_suites
[] = {
1223 WLAN_CIPHER_SUITE_WEP40
,
1224 WLAN_CIPHER_SUITE_WEP104
,
1225 WLAN_CIPHER_SUITE_TKIP
,
1226 WLAN_CIPHER_SUITE_CCMP
,
1229 static bool is_rate_legacy(s32 rate
)
1231 static const s32 legacy
[] = { 1000, 2000, 5500, 11000,
1232 6000, 9000, 12000, 18000, 24000,
1237 for (i
= 0; i
< ARRAY_SIZE(legacy
); i
++)
1238 if (rate
== legacy
[i
])
1244 static bool is_rate_ht20(s32 rate
, u8
*mcs
, bool *sgi
)
1246 static const s32 ht20
[] = { 6500, 13000, 19500, 26000, 39000,
1247 52000, 58500, 65000, 72200
1251 for (i
= 0; i
< ARRAY_SIZE(ht20
); i
++) {
1252 if (rate
== ht20
[i
]) {
1253 if (i
== ARRAY_SIZE(ht20
) - 1)
1254 /* last rate uses sgi */
1266 static bool is_rate_ht40(s32 rate
, u8
*mcs
, bool *sgi
)
1268 static const s32 ht40
[] = { 13500, 27000, 40500, 54000,
1269 81000, 108000, 121500, 135000,
1274 for (i
= 0; i
< ARRAY_SIZE(ht40
); i
++) {
1275 if (rate
== ht40
[i
]) {
1276 if (i
== ARRAY_SIZE(ht40
) - 1)
1277 /* last rate uses sgi */
1290 static int ath6kl_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1291 u8
*mac
, struct station_info
*sinfo
)
1293 struct ath6kl
*ar
= ath6kl_priv(dev
);
1300 if (memcmp(mac
, ar
->bssid
, ETH_ALEN
) != 0)
1303 if (down_interruptible(&ar
->sem
))
1306 set_bit(STATS_UPDATE_PEND
, &ar
->flag
);
1308 ret
= ath6kl_wmi_get_stats_cmd(ar
->wmi
);
1315 left
= wait_event_interruptible_timeout(ar
->event_wq
,
1316 !test_bit(STATS_UPDATE_PEND
,
1327 if (ar
->target_stats
.rx_byte
) {
1328 sinfo
->rx_bytes
= ar
->target_stats
.rx_byte
;
1329 sinfo
->filled
|= STATION_INFO_RX_BYTES
;
1330 sinfo
->rx_packets
= ar
->target_stats
.rx_pkt
;
1331 sinfo
->filled
|= STATION_INFO_RX_PACKETS
;
1334 if (ar
->target_stats
.tx_byte
) {
1335 sinfo
->tx_bytes
= ar
->target_stats
.tx_byte
;
1336 sinfo
->filled
|= STATION_INFO_TX_BYTES
;
1337 sinfo
->tx_packets
= ar
->target_stats
.tx_pkt
;
1338 sinfo
->filled
|= STATION_INFO_TX_PACKETS
;
1341 sinfo
->signal
= ar
->target_stats
.cs_rssi
;
1342 sinfo
->filled
|= STATION_INFO_SIGNAL
;
1344 rate
= ar
->target_stats
.tx_ucast_rate
;
1346 if (is_rate_legacy(rate
)) {
1347 sinfo
->txrate
.legacy
= rate
/ 100;
1348 } else if (is_rate_ht20(rate
, &mcs
, &sgi
)) {
1350 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1351 sinfo
->txrate
.mcs
= mcs
- 1;
1353 sinfo
->txrate
.mcs
= mcs
;
1356 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
1357 } else if (is_rate_ht40(rate
, &mcs
, &sgi
)) {
1359 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1360 sinfo
->txrate
.mcs
= mcs
- 1;
1362 sinfo
->txrate
.mcs
= mcs
;
1365 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
1366 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
1368 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1369 "invalid rate from stats: %d\n", rate
);
1370 ath6kl_debug_war(ar
, ATH6KL_WAR_INVALID_RATE
);
1374 sinfo
->filled
|= STATION_INFO_TX_BITRATE
;
1376 if (test_bit(CONNECTED
, &ar
->flag
) &&
1377 test_bit(DTIM_PERIOD_AVAIL
, &ar
->flag
) &&
1378 ar
->nw_type
== INFRA_NETWORK
) {
1379 sinfo
->filled
|= STATION_INFO_BSS_PARAM
;
1380 sinfo
->bss_param
.flags
= 0;
1381 sinfo
->bss_param
.dtim_period
= ar
->assoc_bss_dtim_period
;
1382 sinfo
->bss_param
.beacon_interval
= ar
->assoc_bss_beacon_int
;
1388 static int ath6kl_set_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
1389 struct cfg80211_pmksa
*pmksa
)
1391 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1392 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, pmksa
->bssid
,
1393 pmksa
->pmkid
, true);
1396 static int ath6kl_del_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
1397 struct cfg80211_pmksa
*pmksa
)
1399 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1400 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, pmksa
->bssid
,
1401 pmksa
->pmkid
, false);
1404 static int ath6kl_flush_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
)
1406 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1407 if (test_bit(CONNECTED
, &ar
->flag
))
1408 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, ar
->bssid
, NULL
, false);
1413 static int ar6k_cfg80211_suspend(struct wiphy
*wiphy
,
1414 struct cfg80211_wowlan
*wow
)
1416 struct ath6kl
*ar
= wiphy_priv(wiphy
);
1418 return ath6kl_hif_suspend(ar
);
1422 static int ath6kl_set_channel(struct wiphy
*wiphy
, struct net_device
*dev
,
1423 struct ieee80211_channel
*chan
,
1424 enum nl80211_channel_type channel_type
)
1426 struct ath6kl
*ar
= ath6kl_priv(dev
);
1428 if (!ath6kl_cfg80211_ready(ar
))
1431 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: center_freq=%u hw_value=%u\n",
1432 __func__
, chan
->center_freq
, chan
->hw_value
);
1433 ar
->next_chan
= chan
->center_freq
;
1438 static bool ath6kl_is_p2p_ie(const u8
*pos
)
1440 return pos
[0] == WLAN_EID_VENDOR_SPECIFIC
&& pos
[1] >= 4 &&
1441 pos
[2] == 0x50 && pos
[3] == 0x6f &&
1442 pos
[4] == 0x9a && pos
[5] == 0x09;
1445 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl
*ar
, const u8
*ies
,
1454 * Filter out P2P IE(s) since they will be included depending on
1455 * the Probe Request frame in ath6kl_send_go_probe_resp().
1458 if (ies
&& ies_len
) {
1459 buf
= kmalloc(ies_len
, GFP_KERNEL
);
1463 while (pos
+ 1 < ies
+ ies_len
) {
1464 if (pos
+ 2 + pos
[1] > ies
+ ies_len
)
1466 if (!ath6kl_is_p2p_ie(pos
)) {
1467 memcpy(buf
+ len
, pos
, 2 + pos
[1]);
1474 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, WMI_FRAME_PROBE_RESP
,
1480 static int ath6kl_ap_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
1481 struct beacon_parameters
*info
, bool add
)
1483 struct ath6kl
*ar
= ath6kl_priv(dev
);
1484 struct ieee80211_mgmt
*mgmt
;
1487 struct wmi_connect_cmd p
;
1491 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: add=%d\n", __func__
, add
);
1493 if (!ath6kl_cfg80211_ready(ar
))
1496 if (ar
->next_mode
!= AP_NETWORK
)
1499 if (info
->beacon_ies
) {
1500 res
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, WMI_FRAME_BEACON
,
1502 info
->beacon_ies_len
);
1506 if (info
->proberesp_ies
) {
1507 res
= ath6kl_set_ap_probe_resp_ies(ar
, info
->proberesp_ies
,
1508 info
->proberesp_ies_len
);
1512 if (info
->assocresp_ies
) {
1513 res
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, WMI_FRAME_ASSOC_RESP
,
1514 info
->assocresp_ies
,
1515 info
->assocresp_ies_len
);
1523 ar
->ap_mode_bkey
.valid
= false;
1530 if (info
->head
== NULL
)
1532 mgmt
= (struct ieee80211_mgmt
*) info
->head
;
1533 ies
= mgmt
->u
.beacon
.variable
;
1534 if (ies
> info
->head
+ info
->head_len
)
1536 ies_len
= info
->head
+ info
->head_len
- ies
;
1538 if (info
->ssid
== NULL
)
1540 memcpy(ar
->ssid
, info
->ssid
, info
->ssid_len
);
1541 ar
->ssid_len
= info
->ssid_len
;
1542 if (info
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
)
1543 return -EOPNOTSUPP
; /* TODO */
1545 ar
->dot11_auth_mode
= OPEN_AUTH
;
1547 memset(&p
, 0, sizeof(p
));
1549 for (i
= 0; i
< info
->crypto
.n_akm_suites
; i
++) {
1550 switch (info
->crypto
.akm_suites
[i
]) {
1551 case WLAN_AKM_SUITE_8021X
:
1552 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_1
)
1553 p
.auth_mode
|= WPA_AUTH
;
1554 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_2
)
1555 p
.auth_mode
|= WPA2_AUTH
;
1557 case WLAN_AKM_SUITE_PSK
:
1558 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_1
)
1559 p
.auth_mode
|= WPA_PSK_AUTH
;
1560 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_2
)
1561 p
.auth_mode
|= WPA2_PSK_AUTH
;
1565 if (p
.auth_mode
== 0)
1566 p
.auth_mode
= NONE_AUTH
;
1567 ar
->auth_mode
= p
.auth_mode
;
1569 for (i
= 0; i
< info
->crypto
.n_ciphers_pairwise
; i
++) {
1570 switch (info
->crypto
.ciphers_pairwise
[i
]) {
1571 case WLAN_CIPHER_SUITE_WEP40
:
1572 case WLAN_CIPHER_SUITE_WEP104
:
1573 p
.prwise_crypto_type
|= WEP_CRYPT
;
1575 case WLAN_CIPHER_SUITE_TKIP
:
1576 p
.prwise_crypto_type
|= TKIP_CRYPT
;
1578 case WLAN_CIPHER_SUITE_CCMP
:
1579 p
.prwise_crypto_type
|= AES_CRYPT
;
1583 if (p
.prwise_crypto_type
== 0) {
1584 p
.prwise_crypto_type
= NONE_CRYPT
;
1585 ath6kl_set_cipher(ar
, 0, true);
1586 } else if (info
->crypto
.n_ciphers_pairwise
== 1)
1587 ath6kl_set_cipher(ar
, info
->crypto
.ciphers_pairwise
[0], true);
1589 switch (info
->crypto
.cipher_group
) {
1590 case WLAN_CIPHER_SUITE_WEP40
:
1591 case WLAN_CIPHER_SUITE_WEP104
:
1592 p
.grp_crypto_type
= WEP_CRYPT
;
1594 case WLAN_CIPHER_SUITE_TKIP
:
1595 p
.grp_crypto_type
= TKIP_CRYPT
;
1597 case WLAN_CIPHER_SUITE_CCMP
:
1598 p
.grp_crypto_type
= AES_CRYPT
;
1601 p
.grp_crypto_type
= NONE_CRYPT
;
1604 ath6kl_set_cipher(ar
, info
->crypto
.cipher_group
, false);
1606 p
.nw_type
= AP_NETWORK
;
1607 ar
->nw_type
= ar
->next_mode
;
1609 p
.ssid_len
= ar
->ssid_len
;
1610 memcpy(p
.ssid
, ar
->ssid
, ar
->ssid_len
);
1611 p
.dot11_auth_mode
= ar
->dot11_auth_mode
;
1612 p
.ch
= cpu_to_le16(ar
->next_chan
);
1614 res
= ath6kl_wmi_ap_profile_commit(ar
->wmi
, &p
);
1621 static int ath6kl_add_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
1622 struct beacon_parameters
*info
)
1624 return ath6kl_ap_beacon(wiphy
, dev
, info
, true);
1627 static int ath6kl_set_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
1628 struct beacon_parameters
*info
)
1630 return ath6kl_ap_beacon(wiphy
, dev
, info
, false);
1633 static int ath6kl_del_beacon(struct wiphy
*wiphy
, struct net_device
*dev
)
1635 struct ath6kl
*ar
= ath6kl_priv(dev
);
1637 if (ar
->nw_type
!= AP_NETWORK
)
1639 if (!test_bit(CONNECTED
, &ar
->flag
))
1642 ath6kl_wmi_disconnect_cmd(ar
->wmi
);
1643 clear_bit(CONNECTED
, &ar
->flag
);
1648 static int ath6kl_change_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1649 u8
*mac
, struct station_parameters
*params
)
1651 struct ath6kl
*ar
= ath6kl_priv(dev
);
1653 if (ar
->nw_type
!= AP_NETWORK
)
1656 /* Use this only for authorizing/unauthorizing a station */
1657 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
1660 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
1661 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, WMI_AP_MLME_AUTHORIZE
,
1663 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, WMI_AP_MLME_UNAUTHORIZE
, mac
,
1667 static int ath6kl_remain_on_channel(struct wiphy
*wiphy
,
1668 struct net_device
*dev
,
1669 struct ieee80211_channel
*chan
,
1670 enum nl80211_channel_type channel_type
,
1671 unsigned int duration
,
1674 struct ath6kl
*ar
= ath6kl_priv(dev
);
1676 /* TODO: if already pending or ongoing remain-on-channel,
1678 *cookie
= 1; /* only a single pending request is supported */
1680 return ath6kl_wmi_remain_on_chnl_cmd(ar
->wmi
, chan
->center_freq
,
1684 static int ath6kl_cancel_remain_on_channel(struct wiphy
*wiphy
,
1685 struct net_device
*dev
,
1688 struct ath6kl
*ar
= ath6kl_priv(dev
);
1693 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar
->wmi
);
1696 static int ath6kl_send_go_probe_resp(struct ath6kl
*ar
, const u8
*buf
,
1697 size_t len
, unsigned int freq
)
1703 const struct ieee80211_mgmt
*mgmt
;
1705 mgmt
= (const struct ieee80211_mgmt
*) buf
;
1707 /* Include P2P IE(s) from the frame generated in user space. */
1709 p2p
= kmalloc(len
, GFP_KERNEL
);
1714 pos
= mgmt
->u
.probe_resp
.variable
;
1715 while (pos
+ 1 < buf
+ len
) {
1716 if (pos
+ 2 + pos
[1] > buf
+ len
)
1718 if (ath6kl_is_p2p_ie(pos
)) {
1719 memcpy(p2p
+ p2p_len
, pos
, 2 + pos
[1]);
1720 p2p_len
+= 2 + pos
[1];
1725 ret
= ath6kl_wmi_send_probe_response_cmd(ar
->wmi
, freq
, mgmt
->da
,
1731 static int ath6kl_mgmt_tx(struct wiphy
*wiphy
, struct net_device
*dev
,
1732 struct ieee80211_channel
*chan
, bool offchan
,
1733 enum nl80211_channel_type channel_type
,
1734 bool channel_type_valid
, unsigned int wait
,
1735 const u8
*buf
, size_t len
, bool no_cck
,
1736 bool dont_wait_for_ack
, u64
*cookie
)
1738 struct ath6kl
*ar
= ath6kl_priv(dev
);
1740 const struct ieee80211_mgmt
*mgmt
;
1742 mgmt
= (const struct ieee80211_mgmt
*) buf
;
1743 if (buf
+ len
>= mgmt
->u
.probe_resp
.variable
&&
1744 ar
->nw_type
== AP_NETWORK
&& test_bit(CONNECTED
, &ar
->flag
) &&
1745 ieee80211_is_probe_resp(mgmt
->frame_control
)) {
1747 * Send Probe Response frame in AP mode using a separate WMI
1748 * command to allow the target to fill in the generic IEs.
1750 *cookie
= 0; /* TX status not supported */
1751 return ath6kl_send_go_probe_resp(ar
, buf
, len
,
1755 id
= ar
->send_action_id
++;
1758 * 0 is a reserved value in the WMI command and shall not be
1759 * used for the command.
1761 id
= ar
->send_action_id
++;
1765 return ath6kl_wmi_send_action_cmd(ar
->wmi
, id
, chan
->center_freq
, wait
,
1769 static void ath6kl_mgmt_frame_register(struct wiphy
*wiphy
,
1770 struct net_device
*dev
,
1771 u16 frame_type
, bool reg
)
1773 struct ath6kl
*ar
= ath6kl_priv(dev
);
1775 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: frame_type=0x%x reg=%d\n",
1776 __func__
, frame_type
, reg
);
1777 if (frame_type
== IEEE80211_STYPE_PROBE_REQ
) {
1779 * Note: This notification callback is not allowed to sleep, so
1780 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
1781 * hardcode target to report Probe Request frames all the time.
1783 ar
->probe_req_report
= reg
;
1787 static const struct ieee80211_txrx_stypes
1788 ath6kl_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
1789 [NL80211_IFTYPE_STATION
] = {
1790 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1791 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1792 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1793 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
1795 [NL80211_IFTYPE_P2P_CLIENT
] = {
1796 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1797 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1798 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1799 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
1801 [NL80211_IFTYPE_P2P_GO
] = {
1802 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1803 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
1804 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
1805 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
1809 static struct cfg80211_ops ath6kl_cfg80211_ops
= {
1810 .change_virtual_intf
= ath6kl_cfg80211_change_iface
,
1811 .scan
= ath6kl_cfg80211_scan
,
1812 .connect
= ath6kl_cfg80211_connect
,
1813 .disconnect
= ath6kl_cfg80211_disconnect
,
1814 .add_key
= ath6kl_cfg80211_add_key
,
1815 .get_key
= ath6kl_cfg80211_get_key
,
1816 .del_key
= ath6kl_cfg80211_del_key
,
1817 .set_default_key
= ath6kl_cfg80211_set_default_key
,
1818 .set_wiphy_params
= ath6kl_cfg80211_set_wiphy_params
,
1819 .set_tx_power
= ath6kl_cfg80211_set_txpower
,
1820 .get_tx_power
= ath6kl_cfg80211_get_txpower
,
1821 .set_power_mgmt
= ath6kl_cfg80211_set_power_mgmt
,
1822 .join_ibss
= ath6kl_cfg80211_join_ibss
,
1823 .leave_ibss
= ath6kl_cfg80211_leave_ibss
,
1824 .get_station
= ath6kl_get_station
,
1825 .set_pmksa
= ath6kl_set_pmksa
,
1826 .del_pmksa
= ath6kl_del_pmksa
,
1827 .flush_pmksa
= ath6kl_flush_pmksa
,
1828 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd
)
1830 .suspend
= ar6k_cfg80211_suspend
,
1832 .set_channel
= ath6kl_set_channel
,
1833 .add_beacon
= ath6kl_add_beacon
,
1834 .set_beacon
= ath6kl_set_beacon
,
1835 .del_beacon
= ath6kl_del_beacon
,
1836 .change_station
= ath6kl_change_station
,
1837 .remain_on_channel
= ath6kl_remain_on_channel
,
1838 .cancel_remain_on_channel
= ath6kl_cancel_remain_on_channel
,
1839 .mgmt_tx
= ath6kl_mgmt_tx
,
1840 .mgmt_frame_register
= ath6kl_mgmt_frame_register
,
1843 struct wireless_dev
*ath6kl_cfg80211_init(struct device
*dev
)
1846 struct wireless_dev
*wdev
;
1849 wdev
= kzalloc(sizeof(struct wireless_dev
), GFP_KERNEL
);
1851 ath6kl_err("couldn't allocate wireless device\n");
1855 /* create a new wiphy for use with cfg80211 */
1856 wdev
->wiphy
= wiphy_new(&ath6kl_cfg80211_ops
, sizeof(struct ath6kl
));
1858 ath6kl_err("couldn't allocate wiphy device\n");
1863 ar
= wiphy_priv(wdev
->wiphy
);
1864 ar
->p2p
= !!ath6kl_p2p
;
1866 wdev
->wiphy
->mgmt_stypes
= ath6kl_mgmt_stypes
;
1868 wdev
->wiphy
->max_remain_on_channel_duration
= 5000;
1870 /* set device pointer for wiphy */
1871 set_wiphy_dev(wdev
->wiphy
, dev
);
1873 wdev
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
1874 BIT(NL80211_IFTYPE_ADHOC
) | BIT(NL80211_IFTYPE_AP
);
1876 wdev
->wiphy
->interface_modes
|= BIT(NL80211_IFTYPE_P2P_GO
) |
1877 BIT(NL80211_IFTYPE_P2P_CLIENT
);
1879 /* max num of ssids that can be probed during scanning */
1880 wdev
->wiphy
->max_scan_ssids
= MAX_PROBED_SSID_INDEX
;
1881 wdev
->wiphy
->max_scan_ie_len
= 1000; /* FIX: what is correct limit? */
1882 wdev
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &ath6kl_band_2ghz
;
1883 wdev
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &ath6kl_band_5ghz
;
1884 wdev
->wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
1886 wdev
->wiphy
->cipher_suites
= cipher_suites
;
1887 wdev
->wiphy
->n_cipher_suites
= ARRAY_SIZE(cipher_suites
);
1889 ret
= wiphy_register(wdev
->wiphy
);
1891 ath6kl_err("couldn't register wiphy device\n");
1892 wiphy_free(wdev
->wiphy
);
1900 void ath6kl_cfg80211_deinit(struct ath6kl
*ar
)
1902 struct wireless_dev
*wdev
= ar
->wdev
;
1905 cfg80211_scan_done(ar
->scan_req
, true);
1906 ar
->scan_req
= NULL
;
1912 wiphy_unregister(wdev
->wiphy
);
1913 wiphy_free(wdev
->wiphy
);