2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <linux/moduleparam.h>
19 #include <linux/inetdevice.h>
20 #include <linux/export.h>
28 #define RATETAB_ENT(_rate, _rateid, _flags) { \
31 .hw_value = (_rateid), \
34 #define CHAN2G(_channel, _freq, _flags) { \
35 .band = IEEE80211_BAND_2GHZ, \
36 .hw_value = (_channel), \
37 .center_freq = (_freq), \
39 .max_antenna_gain = 0, \
43 #define CHAN5G(_channel, _flags) { \
44 .band = IEEE80211_BAND_5GHZ, \
45 .hw_value = (_channel), \
46 .center_freq = 5000 + (5 * (_channel)), \
48 .max_antenna_gain = 0, \
52 static struct ieee80211_rate ath6kl_rates
[] = {
53 RATETAB_ENT(10, 0x1, 0),
54 RATETAB_ENT(20, 0x2, 0),
55 RATETAB_ENT(55, 0x4, 0),
56 RATETAB_ENT(110, 0x8, 0),
57 RATETAB_ENT(60, 0x10, 0),
58 RATETAB_ENT(90, 0x20, 0),
59 RATETAB_ENT(120, 0x40, 0),
60 RATETAB_ENT(180, 0x80, 0),
61 RATETAB_ENT(240, 0x100, 0),
62 RATETAB_ENT(360, 0x200, 0),
63 RATETAB_ENT(480, 0x400, 0),
64 RATETAB_ENT(540, 0x800, 0),
67 #define ath6kl_a_rates (ath6kl_rates + 4)
68 #define ath6kl_a_rates_size 8
69 #define ath6kl_g_rates (ath6kl_rates + 0)
70 #define ath6kl_g_rates_size 12
72 static struct ieee80211_channel ath6kl_2ghz_channels
[] = {
89 static struct ieee80211_channel ath6kl_5ghz_a_channels
[] = {
90 CHAN5G(34, 0), CHAN5G(36, 0),
91 CHAN5G(38, 0), CHAN5G(40, 0),
92 CHAN5G(42, 0), CHAN5G(44, 0),
93 CHAN5G(46, 0), CHAN5G(48, 0),
94 CHAN5G(52, 0), CHAN5G(56, 0),
95 CHAN5G(60, 0), CHAN5G(64, 0),
96 CHAN5G(100, 0), CHAN5G(104, 0),
97 CHAN5G(108, 0), CHAN5G(112, 0),
98 CHAN5G(116, 0), CHAN5G(120, 0),
99 CHAN5G(124, 0), CHAN5G(128, 0),
100 CHAN5G(132, 0), CHAN5G(136, 0),
101 CHAN5G(140, 0), CHAN5G(149, 0),
102 CHAN5G(153, 0), CHAN5G(157, 0),
103 CHAN5G(161, 0), CHAN5G(165, 0),
104 CHAN5G(184, 0), CHAN5G(188, 0),
105 CHAN5G(192, 0), CHAN5G(196, 0),
106 CHAN5G(200, 0), CHAN5G(204, 0),
107 CHAN5G(208, 0), CHAN5G(212, 0),
111 static struct ieee80211_supported_band ath6kl_band_2ghz
= {
112 .n_channels
= ARRAY_SIZE(ath6kl_2ghz_channels
),
113 .channels
= ath6kl_2ghz_channels
,
114 .n_bitrates
= ath6kl_g_rates_size
,
115 .bitrates
= ath6kl_g_rates
,
118 static struct ieee80211_supported_band ath6kl_band_5ghz
= {
119 .n_channels
= ARRAY_SIZE(ath6kl_5ghz_a_channels
),
120 .channels
= ath6kl_5ghz_a_channels
,
121 .n_bitrates
= ath6kl_a_rates_size
,
122 .bitrates
= ath6kl_a_rates
,
125 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
127 /* returns true if scheduled scan was stopped */
128 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif
*vif
)
130 struct ath6kl
*ar
= vif
->ar
;
132 if (ar
->state
!= ATH6KL_STATE_SCHED_SCAN
)
135 del_timer_sync(&vif
->sched_scan_timer
);
137 ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
138 ATH6KL_HOST_MODE_AWAKE
);
140 ar
->state
= ATH6KL_STATE_ON
;
145 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif
*vif
)
147 struct ath6kl
*ar
= vif
->ar
;
150 stopped
= __ath6kl_cfg80211_sscan_stop(vif
);
155 cfg80211_sched_scan_stopped(ar
->wiphy
);
158 static int ath6kl_set_wpa_version(struct ath6kl_vif
*vif
,
159 enum nl80211_wpa_versions wpa_version
)
161 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: %u\n", __func__
, wpa_version
);
164 vif
->auth_mode
= NONE_AUTH
;
165 } else if (wpa_version
& NL80211_WPA_VERSION_2
) {
166 vif
->auth_mode
= WPA2_AUTH
;
167 } else if (wpa_version
& NL80211_WPA_VERSION_1
) {
168 vif
->auth_mode
= WPA_AUTH
;
170 ath6kl_err("%s: %u not supported\n", __func__
, wpa_version
);
177 static int ath6kl_set_auth_type(struct ath6kl_vif
*vif
,
178 enum nl80211_auth_type auth_type
)
180 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: 0x%x\n", __func__
, auth_type
);
183 case NL80211_AUTHTYPE_OPEN_SYSTEM
:
184 vif
->dot11_auth_mode
= OPEN_AUTH
;
186 case NL80211_AUTHTYPE_SHARED_KEY
:
187 vif
->dot11_auth_mode
= SHARED_AUTH
;
189 case NL80211_AUTHTYPE_NETWORK_EAP
:
190 vif
->dot11_auth_mode
= LEAP_AUTH
;
193 case NL80211_AUTHTYPE_AUTOMATIC
:
194 vif
->dot11_auth_mode
= OPEN_AUTH
| SHARED_AUTH
;
198 ath6kl_err("%s: 0x%x not supported\n", __func__
, auth_type
);
205 static int ath6kl_set_cipher(struct ath6kl_vif
*vif
, u32 cipher
, bool ucast
)
207 u8
*ar_cipher
= ucast
? &vif
->prwise_crypto
: &vif
->grp_crypto
;
208 u8
*ar_cipher_len
= ucast
? &vif
->prwise_crypto_len
:
209 &vif
->grp_crypto_len
;
211 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: cipher 0x%x, ucast %u\n",
212 __func__
, cipher
, ucast
);
216 /* our own hack to use value 0 as no crypto used */
217 *ar_cipher
= NONE_CRYPT
;
220 case WLAN_CIPHER_SUITE_WEP40
:
221 *ar_cipher
= WEP_CRYPT
;
224 case WLAN_CIPHER_SUITE_WEP104
:
225 *ar_cipher
= WEP_CRYPT
;
228 case WLAN_CIPHER_SUITE_TKIP
:
229 *ar_cipher
= TKIP_CRYPT
;
232 case WLAN_CIPHER_SUITE_CCMP
:
233 *ar_cipher
= AES_CRYPT
;
236 case WLAN_CIPHER_SUITE_SMS4
:
237 *ar_cipher
= WAPI_CRYPT
;
241 ath6kl_err("cipher 0x%x not supported\n", cipher
);
248 static void ath6kl_set_key_mgmt(struct ath6kl_vif
*vif
, u32 key_mgmt
)
250 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: 0x%x\n", __func__
, key_mgmt
);
252 if (key_mgmt
== WLAN_AKM_SUITE_PSK
) {
253 if (vif
->auth_mode
== WPA_AUTH
)
254 vif
->auth_mode
= WPA_PSK_AUTH
;
255 else if (vif
->auth_mode
== WPA2_AUTH
)
256 vif
->auth_mode
= WPA2_PSK_AUTH
;
257 } else if (key_mgmt
== 0x00409600) {
258 if (vif
->auth_mode
== WPA_AUTH
)
259 vif
->auth_mode
= WPA_AUTH_CCKM
;
260 else if (vif
->auth_mode
== WPA2_AUTH
)
261 vif
->auth_mode
= WPA2_AUTH_CCKM
;
262 } else if (key_mgmt
!= WLAN_AKM_SUITE_8021X
) {
263 vif
->auth_mode
= NONE_AUTH
;
267 static bool ath6kl_cfg80211_ready(struct ath6kl_vif
*vif
)
269 struct ath6kl
*ar
= vif
->ar
;
271 if (!test_bit(WMI_READY
, &ar
->flag
)) {
272 ath6kl_err("wmi is not ready\n");
276 if (!test_bit(WLAN_ENABLED
, &vif
->flags
)) {
277 ath6kl_err("wlan disabled\n");
284 static bool ath6kl_is_wpa_ie(const u8
*pos
)
286 return pos
[0] == WLAN_EID_WPA
&& pos
[1] >= 4 &&
287 pos
[2] == 0x00 && pos
[3] == 0x50 &&
288 pos
[4] == 0xf2 && pos
[5] == 0x01;
291 static bool ath6kl_is_rsn_ie(const u8
*pos
)
293 return pos
[0] == WLAN_EID_RSN
;
296 static bool ath6kl_is_wps_ie(const u8
*pos
)
298 return (pos
[0] == WLAN_EID_VENDOR_SPECIFIC
&&
300 pos
[2] == 0x00 && pos
[3] == 0x50 && pos
[4] == 0xf2 &&
304 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif
*vif
, const u8
*ies
,
307 struct ath6kl
*ar
= vif
->ar
;
314 * Clear previously set flag
317 ar
->connect_ctrl_flags
&= ~CONNECT_WPS_FLAG
;
320 * Filter out RSN/WPA IE(s)
323 if (ies
&& ies_len
) {
324 buf
= kmalloc(ies_len
, GFP_KERNEL
);
329 while (pos
+ 1 < ies
+ ies_len
) {
330 if (pos
+ 2 + pos
[1] > ies
+ ies_len
)
332 if (!(ath6kl_is_wpa_ie(pos
) || ath6kl_is_rsn_ie(pos
))) {
333 memcpy(buf
+ len
, pos
, 2 + pos
[1]);
337 if (ath6kl_is_wps_ie(pos
))
338 ar
->connect_ctrl_flags
|= CONNECT_WPS_FLAG
;
344 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
345 WMI_FRAME_ASSOC_REQ
, buf
, len
);
350 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type
, u8
*nw_type
)
353 case NL80211_IFTYPE_STATION
:
354 *nw_type
= INFRA_NETWORK
;
356 case NL80211_IFTYPE_ADHOC
:
357 *nw_type
= ADHOC_NETWORK
;
359 case NL80211_IFTYPE_AP
:
360 *nw_type
= AP_NETWORK
;
362 case NL80211_IFTYPE_P2P_CLIENT
:
363 *nw_type
= INFRA_NETWORK
;
365 case NL80211_IFTYPE_P2P_GO
:
366 *nw_type
= AP_NETWORK
;
369 ath6kl_err("invalid interface type %u\n", type
);
376 static bool ath6kl_is_valid_iftype(struct ath6kl
*ar
, enum nl80211_iftype type
,
377 u8
*if_idx
, u8
*nw_type
)
381 if (ath6kl_nliftype_to_drv_iftype(type
, nw_type
))
384 if (ar
->ibss_if_active
|| ((type
== NL80211_IFTYPE_ADHOC
) &&
388 if (type
== NL80211_IFTYPE_STATION
||
389 type
== NL80211_IFTYPE_AP
|| type
== NL80211_IFTYPE_ADHOC
) {
390 for (i
= 0; i
< ar
->vif_max
; i
++) {
391 if ((ar
->avail_idx_map
>> i
) & BIT(0)) {
398 if (type
== NL80211_IFTYPE_P2P_CLIENT
||
399 type
== NL80211_IFTYPE_P2P_GO
) {
400 for (i
= ar
->max_norm_iface
; i
< ar
->vif_max
; i
++) {
401 if ((ar
->avail_idx_map
>> i
) & BIT(0)) {
411 static int ath6kl_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
412 struct cfg80211_connect_params
*sme
)
414 struct ath6kl
*ar
= ath6kl_priv(dev
);
415 struct ath6kl_vif
*vif
= netdev_priv(dev
);
417 u8 nw_subtype
= (ar
->p2p
) ? SUBTYPE_P2PDEV
: SUBTYPE_NONE
;
419 ath6kl_cfg80211_sscan_disable(vif
);
421 vif
->sme_state
= SME_CONNECTING
;
423 if (!ath6kl_cfg80211_ready(vif
))
426 if (test_bit(DESTROY_IN_PROGRESS
, &ar
->flag
)) {
427 ath6kl_err("destroy in progress\n");
431 if (test_bit(SKIP_SCAN
, &ar
->flag
) &&
432 ((sme
->channel
&& sme
->channel
->center_freq
== 0) ||
433 (sme
->bssid
&& is_zero_ether_addr(sme
->bssid
)))) {
434 ath6kl_err("SkipScan: channel or bssid invalid\n");
438 if (down_interruptible(&ar
->sem
)) {
439 ath6kl_err("busy, couldn't get access\n");
443 if (test_bit(DESTROY_IN_PROGRESS
, &ar
->flag
)) {
444 ath6kl_err("busy, destroy in progress\n");
449 if (ar
->tx_pending
[ath6kl_wmi_get_control_ep(ar
->wmi
)]) {
451 * sleep until the command queue drains
453 wait_event_interruptible_timeout(ar
->event_wq
,
454 ar
->tx_pending
[ath6kl_wmi_get_control_ep(ar
->wmi
)] == 0,
456 if (signal_pending(current
)) {
457 ath6kl_err("cmd queue drain timeout\n");
463 status
= ath6kl_set_assoc_req_ies(vif
, sme
->ie
, sme
->ie_len
);
469 if (sme
->ie
== NULL
|| sme
->ie_len
== 0)
470 ar
->connect_ctrl_flags
&= ~CONNECT_WPS_FLAG
;
472 if (test_bit(CONNECTED
, &vif
->flags
) &&
473 vif
->ssid_len
== sme
->ssid_len
&&
474 !memcmp(vif
->ssid
, sme
->ssid
, vif
->ssid_len
)) {
475 vif
->reconnect_flag
= true;
476 status
= ath6kl_wmi_reconnect_cmd(ar
->wmi
, vif
->fw_vif_idx
,
482 ath6kl_err("wmi_reconnect_cmd failed\n");
486 } else if (vif
->ssid_len
== sme
->ssid_len
&&
487 !memcmp(vif
->ssid
, sme
->ssid
, vif
->ssid_len
)) {
488 ath6kl_disconnect(vif
);
491 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
492 vif
->ssid_len
= sme
->ssid_len
;
493 memcpy(vif
->ssid
, sme
->ssid
, sme
->ssid_len
);
496 vif
->ch_hint
= sme
->channel
->center_freq
;
498 memset(vif
->req_bssid
, 0, sizeof(vif
->req_bssid
));
499 if (sme
->bssid
&& !is_broadcast_ether_addr(sme
->bssid
))
500 memcpy(vif
->req_bssid
, sme
->bssid
, sizeof(vif
->req_bssid
));
502 ath6kl_set_wpa_version(vif
, sme
->crypto
.wpa_versions
);
504 status
= ath6kl_set_auth_type(vif
, sme
->auth_type
);
510 if (sme
->crypto
.n_ciphers_pairwise
)
511 ath6kl_set_cipher(vif
, sme
->crypto
.ciphers_pairwise
[0], true);
513 ath6kl_set_cipher(vif
, 0, true);
515 ath6kl_set_cipher(vif
, sme
->crypto
.cipher_group
, false);
517 if (sme
->crypto
.n_akm_suites
)
518 ath6kl_set_key_mgmt(vif
, sme
->crypto
.akm_suites
[0]);
520 if ((sme
->key_len
) &&
521 (vif
->auth_mode
== NONE_AUTH
) &&
522 (vif
->prwise_crypto
== WEP_CRYPT
)) {
523 struct ath6kl_key
*key
= NULL
;
525 if (sme
->key_idx
> WMI_MAX_KEY_INDEX
) {
526 ath6kl_err("key index %d out of bounds\n",
532 key
= &vif
->keys
[sme
->key_idx
];
533 key
->key_len
= sme
->key_len
;
534 memcpy(key
->key
, sme
->key
, key
->key_len
);
535 key
->cipher
= vif
->prwise_crypto
;
536 vif
->def_txkey_index
= sme
->key_idx
;
538 ath6kl_wmi_addkey_cmd(ar
->wmi
, vif
->fw_vif_idx
, sme
->key_idx
,
540 GROUP_USAGE
| TX_USAGE
,
543 key
->key
, KEY_OP_INIT_VAL
, NULL
,
547 if (!ar
->usr_bss_filter
) {
548 clear_bit(CLEAR_BSSFILTER_ON_BEACON
, &vif
->flags
);
549 if (ath6kl_wmi_bssfilter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
550 ALL_BSS_FILTER
, 0) != 0) {
551 ath6kl_err("couldn't set bss filtering\n");
557 vif
->nw_type
= vif
->next_mode
;
559 if (vif
->wdev
.iftype
== NL80211_IFTYPE_P2P_CLIENT
)
560 nw_subtype
= SUBTYPE_P2PCLIENT
;
562 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
563 "%s: connect called with authmode %d dot11 auth %d"
564 " PW crypto %d PW crypto len %d GRP crypto %d"
565 " GRP crypto len %d channel hint %u\n",
567 vif
->auth_mode
, vif
->dot11_auth_mode
, vif
->prwise_crypto
,
568 vif
->prwise_crypto_len
, vif
->grp_crypto
,
569 vif
->grp_crypto_len
, vif
->ch_hint
);
571 vif
->reconnect_flag
= 0;
572 status
= ath6kl_wmi_connect_cmd(ar
->wmi
, vif
->fw_vif_idx
, vif
->nw_type
,
573 vif
->dot11_auth_mode
, vif
->auth_mode
,
575 vif
->prwise_crypto_len
,
576 vif
->grp_crypto
, vif
->grp_crypto_len
,
577 vif
->ssid_len
, vif
->ssid
,
578 vif
->req_bssid
, vif
->ch_hint
,
579 ar
->connect_ctrl_flags
, nw_subtype
);
583 if (status
== -EINVAL
) {
584 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
586 ath6kl_err("invalid request\n");
589 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
593 if ((!(ar
->connect_ctrl_flags
& CONNECT_DO_WPA_OFFLOAD
)) &&
594 ((vif
->auth_mode
== WPA_PSK_AUTH
)
595 || (vif
->auth_mode
== WPA2_PSK_AUTH
))) {
596 mod_timer(&vif
->disconnect_timer
,
597 jiffies
+ msecs_to_jiffies(DISCON_TIMER_INTVAL
));
600 ar
->connect_ctrl_flags
&= ~CONNECT_DO_WPA_OFFLOAD
;
601 set_bit(CONNECT_PEND
, &vif
->flags
);
606 static struct cfg80211_bss
*
607 ath6kl_add_bss_if_needed(struct ath6kl_vif
*vif
,
608 enum network_type nw_type
,
610 struct ieee80211_channel
*chan
,
612 size_t beacon_ie_len
)
614 struct ath6kl
*ar
= vif
->ar
;
615 struct cfg80211_bss
*bss
;
616 u16 cap_mask
, cap_val
;
619 if (nw_type
& ADHOC_NETWORK
) {
620 cap_mask
= WLAN_CAPABILITY_IBSS
;
621 cap_val
= WLAN_CAPABILITY_IBSS
;
623 cap_mask
= WLAN_CAPABILITY_ESS
;
624 cap_val
= WLAN_CAPABILITY_ESS
;
627 bss
= cfg80211_get_bss(ar
->wiphy
, chan
, bssid
,
628 vif
->ssid
, vif
->ssid_len
,
632 * Since cfg80211 may not yet know about the BSS,
633 * generate a partial entry until the first BSS info
634 * event becomes available.
636 * Prepend SSID element since it is not included in the Beacon
637 * IEs from the target.
639 ie
= kmalloc(2 + vif
->ssid_len
+ beacon_ie_len
, GFP_KERNEL
);
642 ie
[0] = WLAN_EID_SSID
;
643 ie
[1] = vif
->ssid_len
;
644 memcpy(ie
+ 2, vif
->ssid
, vif
->ssid_len
);
645 memcpy(ie
+ 2 + vif
->ssid_len
, beacon_ie
, beacon_ie_len
);
646 bss
= cfg80211_inform_bss(ar
->wiphy
, chan
,
647 bssid
, 0, cap_val
, 100,
648 ie
, 2 + vif
->ssid_len
+ beacon_ie_len
,
651 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "added bss %pM to "
652 "cfg80211\n", bssid
);
655 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "cfg80211 already has a bss\n");
660 void ath6kl_cfg80211_connect_event(struct ath6kl_vif
*vif
, u16 channel
,
661 u8
*bssid
, u16 listen_intvl
,
663 enum network_type nw_type
,
664 u8 beacon_ie_len
, u8 assoc_req_len
,
665 u8 assoc_resp_len
, u8
*assoc_info
)
667 struct ieee80211_channel
*chan
;
668 struct ath6kl
*ar
= vif
->ar
;
669 struct cfg80211_bss
*bss
;
671 /* capinfo + listen interval */
672 u8 assoc_req_ie_offset
= sizeof(u16
) + sizeof(u16
);
674 /* capinfo + status code + associd */
675 u8 assoc_resp_ie_offset
= sizeof(u16
) + sizeof(u16
) + sizeof(u16
);
677 u8
*assoc_req_ie
= assoc_info
+ beacon_ie_len
+ assoc_req_ie_offset
;
678 u8
*assoc_resp_ie
= assoc_info
+ beacon_ie_len
+ assoc_req_len
+
679 assoc_resp_ie_offset
;
681 assoc_req_len
-= assoc_req_ie_offset
;
682 assoc_resp_len
-= assoc_resp_ie_offset
;
685 * Store Beacon interval here; DTIM period will be available only once
686 * a Beacon frame from the AP is seen.
688 vif
->assoc_bss_beacon_int
= beacon_intvl
;
689 clear_bit(DTIM_PERIOD_AVAIL
, &vif
->flags
);
691 if (nw_type
& ADHOC_NETWORK
) {
692 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_ADHOC
) {
693 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
694 "%s: ath6k not in ibss mode\n", __func__
);
699 if (nw_type
& INFRA_NETWORK
) {
700 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_STATION
&&
701 vif
->wdev
.iftype
!= NL80211_IFTYPE_P2P_CLIENT
) {
702 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
703 "%s: ath6k not in station mode\n", __func__
);
708 chan
= ieee80211_get_channel(ar
->wiphy
, (int) channel
);
710 bss
= ath6kl_add_bss_if_needed(vif
, nw_type
, bssid
, chan
,
711 assoc_info
, beacon_ie_len
);
713 ath6kl_err("could not add cfg80211 bss entry\n");
717 if (nw_type
& ADHOC_NETWORK
) {
718 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "ad-hoc %s selected\n",
719 nw_type
& ADHOC_CREATOR
? "creator" : "joiner");
720 cfg80211_ibss_joined(vif
->ndev
, bssid
, GFP_KERNEL
);
721 cfg80211_put_bss(bss
);
725 if (vif
->sme_state
== SME_CONNECTING
) {
726 /* inform connect result to cfg80211 */
727 vif
->sme_state
= SME_CONNECTED
;
728 cfg80211_connect_result(vif
->ndev
, bssid
,
729 assoc_req_ie
, assoc_req_len
,
730 assoc_resp_ie
, assoc_resp_len
,
731 WLAN_STATUS_SUCCESS
, GFP_KERNEL
);
732 cfg80211_put_bss(bss
);
733 } else if (vif
->sme_state
== SME_CONNECTED
) {
734 /* inform roam event to cfg80211 */
735 cfg80211_roamed_bss(vif
->ndev
, bss
, assoc_req_ie
, assoc_req_len
,
736 assoc_resp_ie
, assoc_resp_len
, GFP_KERNEL
);
740 static int ath6kl_cfg80211_disconnect(struct wiphy
*wiphy
,
741 struct net_device
*dev
, u16 reason_code
)
743 struct ath6kl
*ar
= ath6kl_priv(dev
);
744 struct ath6kl_vif
*vif
= netdev_priv(dev
);
746 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: reason=%u\n", __func__
,
749 ath6kl_cfg80211_sscan_disable(vif
);
751 if (!ath6kl_cfg80211_ready(vif
))
754 if (test_bit(DESTROY_IN_PROGRESS
, &ar
->flag
)) {
755 ath6kl_err("busy, destroy in progress\n");
759 if (down_interruptible(&ar
->sem
)) {
760 ath6kl_err("busy, couldn't get access\n");
764 vif
->reconnect_flag
= 0;
765 ath6kl_disconnect(vif
);
766 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
769 if (!test_bit(SKIP_SCAN
, &ar
->flag
))
770 memset(vif
->req_bssid
, 0, sizeof(vif
->req_bssid
));
774 vif
->sme_state
= SME_DISCONNECTED
;
779 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif
*vif
, u8 reason
,
780 u8
*bssid
, u8 assoc_resp_len
,
781 u8
*assoc_info
, u16 proto_reason
)
783 struct ath6kl
*ar
= vif
->ar
;
786 cfg80211_scan_done(vif
->scan_req
, true);
787 vif
->scan_req
= NULL
;
790 if (vif
->nw_type
& ADHOC_NETWORK
) {
791 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_ADHOC
) {
792 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
793 "%s: ath6k not in ibss mode\n", __func__
);
796 memset(bssid
, 0, ETH_ALEN
);
797 cfg80211_ibss_joined(vif
->ndev
, bssid
, GFP_KERNEL
);
801 if (vif
->nw_type
& INFRA_NETWORK
) {
802 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_STATION
&&
803 vif
->wdev
.iftype
!= NL80211_IFTYPE_P2P_CLIENT
) {
804 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
805 "%s: ath6k not in station mode\n", __func__
);
811 * Send a disconnect command to target when a disconnect event is
812 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
813 * request from host) to make the firmware stop trying to connect even
814 * after giving disconnect event. There will be one more disconnect
815 * event for this disconnect command with reason code DISCONNECT_CMD
816 * which will be notified to cfg80211.
819 if (reason
!= DISCONNECT_CMD
) {
820 ath6kl_wmi_disconnect_cmd(ar
->wmi
, vif
->fw_vif_idx
);
824 clear_bit(CONNECT_PEND
, &vif
->flags
);
826 if (vif
->sme_state
== SME_CONNECTING
) {
827 cfg80211_connect_result(vif
->ndev
,
830 WLAN_STATUS_UNSPECIFIED_FAILURE
,
832 } else if (vif
->sme_state
== SME_CONNECTED
) {
833 cfg80211_disconnected(vif
->ndev
, reason
,
834 NULL
, 0, GFP_KERNEL
);
837 vif
->sme_state
= SME_DISCONNECTED
;
840 static int ath6kl_cfg80211_scan(struct wiphy
*wiphy
, struct net_device
*ndev
,
841 struct cfg80211_scan_request
*request
)
843 struct ath6kl
*ar
= ath6kl_priv(ndev
);
844 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
846 u16
*channels
= NULL
;
848 u32 force_fg_scan
= 0;
850 if (!ath6kl_cfg80211_ready(vif
))
853 ath6kl_cfg80211_sscan_disable(vif
);
855 if (!ar
->usr_bss_filter
) {
856 clear_bit(CLEAR_BSSFILTER_ON_BEACON
, &vif
->flags
);
857 ret
= ath6kl_wmi_bssfilter_cmd(
858 ar
->wmi
, vif
->fw_vif_idx
,
859 (test_bit(CONNECTED
, &vif
->flags
) ?
860 ALL_BUT_BSS_FILTER
: ALL_BSS_FILTER
), 0);
862 ath6kl_err("couldn't set bss filtering\n");
867 if (request
->n_ssids
&& request
->ssids
[0].ssid_len
) {
870 if (request
->n_ssids
> (MAX_PROBED_SSID_INDEX
- 1))
871 request
->n_ssids
= MAX_PROBED_SSID_INDEX
- 1;
873 for (i
= 0; i
< request
->n_ssids
; i
++)
874 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
,
875 i
+ 1, SPECIFIC_SSID_FLAG
,
876 request
->ssids
[i
].ssid_len
,
877 request
->ssids
[i
].ssid
);
881 * FIXME: we should clear the IE in fw if it's not set so just
882 * remove the check altogether
885 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
887 request
->ie
, request
->ie_len
);
889 ath6kl_err("failed to set Probe Request appie for "
896 * Scan only the requested channels if the request specifies a set of
897 * channels. If the list is longer than the target supports, do not
898 * configure the list and instead, scan all available channels.
900 if (request
->n_channels
> 0 &&
901 request
->n_channels
<= WMI_MAX_CHANNELS
) {
904 n_channels
= request
->n_channels
;
906 channels
= kzalloc(n_channels
* sizeof(u16
), GFP_KERNEL
);
907 if (channels
== NULL
) {
908 ath6kl_warn("failed to set scan channels, "
909 "scan all channels");
913 for (i
= 0; i
< n_channels
; i
++)
914 channels
[i
] = request
->channels
[i
]->center_freq
;
917 if (test_bit(CONNECTED
, &vif
->flags
))
920 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX
,
921 ar
->fw_capabilities
)) {
923 * If capable of doing P2P mgmt operations using
924 * station interface, send additional information like
925 * supported rates to advertise and xmit rates for
928 ret
= ath6kl_wmi_beginscan_cmd(ar
->wmi
, vif
->fw_vif_idx
,
929 WMI_LONG_SCAN
, force_fg_scan
,
930 false, 0, 0, n_channels
,
931 channels
, request
->no_cck
,
934 ret
= ath6kl_wmi_startscan_cmd(ar
->wmi
, vif
->fw_vif_idx
,
935 WMI_LONG_SCAN
, force_fg_scan
,
936 false, 0, 0, n_channels
,
940 ath6kl_err("wmi_startscan_cmd failed\n");
942 vif
->scan_req
= request
;
949 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif
*vif
, bool aborted
)
951 struct ath6kl
*ar
= vif
->ar
;
954 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: status%s\n", __func__
,
955 aborted
? " aborted" : "");
963 if (vif
->scan_req
->n_ssids
&& vif
->scan_req
->ssids
[0].ssid_len
) {
964 for (i
= 0; i
< vif
->scan_req
->n_ssids
; i
++) {
965 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
,
966 i
+ 1, DISABLE_SSID_FLAG
,
972 cfg80211_scan_done(vif
->scan_req
, aborted
);
973 vif
->scan_req
= NULL
;
976 static int ath6kl_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
977 u8 key_index
, bool pairwise
,
979 struct key_params
*params
)
981 struct ath6kl
*ar
= ath6kl_priv(ndev
);
982 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
983 struct ath6kl_key
*key
= NULL
;
988 if (!ath6kl_cfg80211_ready(vif
))
991 if (params
->cipher
== CCKM_KRK_CIPHER_SUITE
) {
992 if (params
->key_len
!= WMI_KRK_LEN
)
994 return ath6kl_wmi_add_krk_cmd(ar
->wmi
, vif
->fw_vif_idx
,
998 if (key_index
> WMI_MAX_KEY_INDEX
) {
999 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1000 "%s: key index %d out of bounds\n", __func__
,
1005 key
= &vif
->keys
[key_index
];
1006 memset(key
, 0, sizeof(struct ath6kl_key
));
1009 key_usage
= PAIRWISE_USAGE
;
1011 key_usage
= GROUP_USAGE
;
1013 seq_len
= params
->seq_len
;
1014 if (params
->cipher
== WLAN_CIPHER_SUITE_SMS4
&&
1015 seq_len
> ATH6KL_KEY_SEQ_LEN
) {
1016 /* Only first half of the WPI PN is configured */
1017 seq_len
= ATH6KL_KEY_SEQ_LEN
;
1019 if (params
->key_len
> WLAN_MAX_KEY_LEN
||
1020 seq_len
> sizeof(key
->seq
))
1023 key
->key_len
= params
->key_len
;
1024 memcpy(key
->key
, params
->key
, key
->key_len
);
1025 key
->seq_len
= seq_len
;
1026 memcpy(key
->seq
, params
->seq
, key
->seq_len
);
1027 key
->cipher
= params
->cipher
;
1029 switch (key
->cipher
) {
1030 case WLAN_CIPHER_SUITE_WEP40
:
1031 case WLAN_CIPHER_SUITE_WEP104
:
1032 key_type
= WEP_CRYPT
;
1035 case WLAN_CIPHER_SUITE_TKIP
:
1036 key_type
= TKIP_CRYPT
;
1039 case WLAN_CIPHER_SUITE_CCMP
:
1040 key_type
= AES_CRYPT
;
1042 case WLAN_CIPHER_SUITE_SMS4
:
1043 key_type
= WAPI_CRYPT
;
1050 if (((vif
->auth_mode
== WPA_PSK_AUTH
)
1051 || (vif
->auth_mode
== WPA2_PSK_AUTH
))
1052 && (key_usage
& GROUP_USAGE
))
1053 del_timer(&vif
->disconnect_timer
);
1055 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1056 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1057 __func__
, key_index
, key
->key_len
, key_type
,
1058 key_usage
, key
->seq_len
);
1060 if (vif
->nw_type
== AP_NETWORK
&& !pairwise
&&
1061 (key_type
== TKIP_CRYPT
|| key_type
== AES_CRYPT
||
1062 key_type
== WAPI_CRYPT
) && params
) {
1063 ar
->ap_mode_bkey
.valid
= true;
1064 ar
->ap_mode_bkey
.key_index
= key_index
;
1065 ar
->ap_mode_bkey
.key_type
= key_type
;
1066 ar
->ap_mode_bkey
.key_len
= key
->key_len
;
1067 memcpy(ar
->ap_mode_bkey
.key
, key
->key
, key
->key_len
);
1068 if (!test_bit(CONNECTED
, &vif
->flags
)) {
1069 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "Delay initial group "
1070 "key configuration until AP mode has been "
1073 * The key will be set in ath6kl_connect_ap_mode() once
1074 * the connected event is received from the target.
1080 if (vif
->next_mode
== AP_NETWORK
&& key_type
== WEP_CRYPT
&&
1081 !test_bit(CONNECTED
, &vif
->flags
)) {
1083 * Store the key locally so that it can be re-configured after
1084 * the AP mode has properly started
1085 * (ath6kl_install_statioc_wep_keys).
1087 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "Delay WEP key configuration "
1088 "until AP mode has been started\n");
1089 vif
->wep_key_list
[key_index
].key_len
= key
->key_len
;
1090 memcpy(vif
->wep_key_list
[key_index
].key
, key
->key
,
1095 return ath6kl_wmi_addkey_cmd(ar
->wmi
, vif
->fw_vif_idx
, key_index
,
1096 key_type
, key_usage
, key
->key_len
,
1097 key
->seq
, key
->seq_len
, key
->key
,
1099 (u8
*) mac_addr
, SYNC_BOTH_WMIFLAG
);
1102 static int ath6kl_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1103 u8 key_index
, bool pairwise
,
1106 struct ath6kl
*ar
= ath6kl_priv(ndev
);
1107 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1109 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
1111 if (!ath6kl_cfg80211_ready(vif
))
1114 if (key_index
> WMI_MAX_KEY_INDEX
) {
1115 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1116 "%s: key index %d out of bounds\n", __func__
,
1121 if (!vif
->keys
[key_index
].key_len
) {
1122 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1123 "%s: index %d is empty\n", __func__
, key_index
);
1127 vif
->keys
[key_index
].key_len
= 0;
1129 return ath6kl_wmi_deletekey_cmd(ar
->wmi
, vif
->fw_vif_idx
, key_index
);
1132 static int ath6kl_cfg80211_get_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1133 u8 key_index
, bool pairwise
,
1134 const u8
*mac_addr
, void *cookie
,
1135 void (*callback
) (void *cookie
,
1136 struct key_params
*))
1138 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1139 struct ath6kl_key
*key
= NULL
;
1140 struct key_params params
;
1142 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
1144 if (!ath6kl_cfg80211_ready(vif
))
1147 if (key_index
> WMI_MAX_KEY_INDEX
) {
1148 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1149 "%s: key index %d out of bounds\n", __func__
,
1154 key
= &vif
->keys
[key_index
];
1155 memset(¶ms
, 0, sizeof(params
));
1156 params
.cipher
= key
->cipher
;
1157 params
.key_len
= key
->key_len
;
1158 params
.seq_len
= key
->seq_len
;
1159 params
.seq
= key
->seq
;
1160 params
.key
= key
->key
;
1162 callback(cookie
, ¶ms
);
1164 return key
->key_len
? 0 : -ENOENT
;
1167 static int ath6kl_cfg80211_set_default_key(struct wiphy
*wiphy
,
1168 struct net_device
*ndev
,
1169 u8 key_index
, bool unicast
,
1172 struct ath6kl
*ar
= ath6kl_priv(ndev
);
1173 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1174 struct ath6kl_key
*key
= NULL
;
1176 enum crypto_type key_type
= NONE_CRYPT
;
1178 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
1180 if (!ath6kl_cfg80211_ready(vif
))
1183 if (key_index
> WMI_MAX_KEY_INDEX
) {
1184 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1185 "%s: key index %d out of bounds\n",
1186 __func__
, key_index
);
1190 if (!vif
->keys
[key_index
].key_len
) {
1191 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: invalid key index %d\n",
1192 __func__
, key_index
);
1196 vif
->def_txkey_index
= key_index
;
1197 key
= &vif
->keys
[vif
->def_txkey_index
];
1198 key_usage
= GROUP_USAGE
;
1199 if (vif
->prwise_crypto
== WEP_CRYPT
)
1200 key_usage
|= TX_USAGE
;
1202 key_type
= vif
->prwise_crypto
;
1204 key_type
= vif
->grp_crypto
;
1206 if (vif
->next_mode
== AP_NETWORK
&& !test_bit(CONNECTED
, &vif
->flags
))
1207 return 0; /* Delay until AP mode has been started */
1209 return ath6kl_wmi_addkey_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1210 vif
->def_txkey_index
,
1211 key_type
, key_usage
,
1212 key
->key_len
, key
->seq
, key
->seq_len
,
1214 KEY_OP_INIT_VAL
, NULL
,
1218 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif
*vif
, u8 keyid
,
1221 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1222 "%s: keyid %d, ismcast %d\n", __func__
, keyid
, ismcast
);
1224 cfg80211_michael_mic_failure(vif
->ndev
, vif
->bssid
,
1225 (ismcast
? NL80211_KEYTYPE_GROUP
:
1226 NL80211_KEYTYPE_PAIRWISE
), keyid
, NULL
,
1230 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1232 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1233 struct ath6kl_vif
*vif
;
1236 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: changed 0x%x\n", __func__
,
1239 vif
= ath6kl_vif_first(ar
);
1243 if (!ath6kl_cfg80211_ready(vif
))
1246 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1247 ret
= ath6kl_wmi_set_rts_cmd(ar
->wmi
, wiphy
->rts_threshold
);
1249 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1258 * The type nl80211_tx_power_setting replaces the following
1259 * data type from 2.6.36 onwards
1261 static int ath6kl_cfg80211_set_txpower(struct wiphy
*wiphy
,
1262 enum nl80211_tx_power_setting type
,
1265 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1266 struct ath6kl_vif
*vif
;
1268 int dbm
= MBM_TO_DBM(mbm
);
1270 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type 0x%x, dbm %d\n", __func__
,
1273 vif
= ath6kl_vif_first(ar
);
1277 if (!ath6kl_cfg80211_ready(vif
))
1281 case NL80211_TX_POWER_AUTOMATIC
:
1283 case NL80211_TX_POWER_LIMITED
:
1284 ar
->tx_pwr
= ath6kl_dbm
= dbm
;
1287 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type 0x%x not supported\n",
1292 ath6kl_wmi_set_tx_pwr_cmd(ar
->wmi
, vif
->fw_vif_idx
, ath6kl_dbm
);
1297 static int ath6kl_cfg80211_get_txpower(struct wiphy
*wiphy
, int *dbm
)
1299 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1300 struct ath6kl_vif
*vif
;
1302 vif
= ath6kl_vif_first(ar
);
1306 if (!ath6kl_cfg80211_ready(vif
))
1309 if (test_bit(CONNECTED
, &vif
->flags
)) {
1312 if (ath6kl_wmi_get_tx_pwr_cmd(ar
->wmi
, vif
->fw_vif_idx
) != 0) {
1313 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1317 wait_event_interruptible_timeout(ar
->event_wq
, ar
->tx_pwr
!= 0,
1320 if (signal_pending(current
)) {
1321 ath6kl_err("target did not respond\n");
1330 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
1331 struct net_device
*dev
,
1332 bool pmgmt
, int timeout
)
1334 struct ath6kl
*ar
= ath6kl_priv(dev
);
1335 struct wmi_power_mode_cmd mode
;
1336 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1338 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: pmgmt %d, timeout %d\n",
1339 __func__
, pmgmt
, timeout
);
1341 if (!ath6kl_cfg80211_ready(vif
))
1345 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: max perf\n", __func__
);
1346 mode
.pwr_mode
= REC_POWER
;
1348 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: rec power\n", __func__
);
1349 mode
.pwr_mode
= MAX_PERF_POWER
;
1352 if (ath6kl_wmi_powermode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1353 mode
.pwr_mode
) != 0) {
1354 ath6kl_err("wmi_powermode_cmd failed\n");
1361 static struct net_device
*ath6kl_cfg80211_add_iface(struct wiphy
*wiphy
,
1363 enum nl80211_iftype type
,
1365 struct vif_params
*params
)
1367 struct ath6kl
*ar
= wiphy_priv(wiphy
);
1368 struct net_device
*ndev
;
1371 if (ar
->num_vif
== ar
->vif_max
) {
1372 ath6kl_err("Reached maximum number of supported vif\n");
1373 return ERR_PTR(-EINVAL
);
1376 if (!ath6kl_is_valid_iftype(ar
, type
, &if_idx
, &nw_type
)) {
1377 ath6kl_err("Not a supported interface type\n");
1378 return ERR_PTR(-EINVAL
);
1381 ndev
= ath6kl_interface_add(ar
, name
, type
, if_idx
, nw_type
);
1383 return ERR_PTR(-ENOMEM
);
1390 static int ath6kl_cfg80211_del_iface(struct wiphy
*wiphy
,
1391 struct net_device
*ndev
)
1393 struct ath6kl
*ar
= wiphy_priv(wiphy
);
1394 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1396 spin_lock_bh(&ar
->list_lock
);
1397 list_del(&vif
->list
);
1398 spin_unlock_bh(&ar
->list_lock
);
1400 ath6kl_cleanup_vif(vif
, test_bit(WMI_READY
, &ar
->flag
));
1402 ath6kl_cfg80211_vif_cleanup(vif
);
1407 static int ath6kl_cfg80211_change_iface(struct wiphy
*wiphy
,
1408 struct net_device
*ndev
,
1409 enum nl80211_iftype type
, u32
*flags
,
1410 struct vif_params
*params
)
1412 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1414 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type %u\n", __func__
, type
);
1417 case NL80211_IFTYPE_STATION
:
1418 vif
->next_mode
= INFRA_NETWORK
;
1420 case NL80211_IFTYPE_ADHOC
:
1421 vif
->next_mode
= ADHOC_NETWORK
;
1423 case NL80211_IFTYPE_AP
:
1424 vif
->next_mode
= AP_NETWORK
;
1426 case NL80211_IFTYPE_P2P_CLIENT
:
1427 vif
->next_mode
= INFRA_NETWORK
;
1429 case NL80211_IFTYPE_P2P_GO
:
1430 vif
->next_mode
= AP_NETWORK
;
1433 ath6kl_err("invalid interface type %u\n", type
);
1437 vif
->wdev
.iftype
= type
;
1442 static int ath6kl_cfg80211_join_ibss(struct wiphy
*wiphy
,
1443 struct net_device
*dev
,
1444 struct cfg80211_ibss_params
*ibss_param
)
1446 struct ath6kl
*ar
= ath6kl_priv(dev
);
1447 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1450 if (!ath6kl_cfg80211_ready(vif
))
1453 vif
->ssid_len
= ibss_param
->ssid_len
;
1454 memcpy(vif
->ssid
, ibss_param
->ssid
, vif
->ssid_len
);
1456 if (ibss_param
->channel
)
1457 vif
->ch_hint
= ibss_param
->channel
->center_freq
;
1459 if (ibss_param
->channel_fixed
) {
1461 * TODO: channel_fixed: The channel should be fixed, do not
1462 * search for IBSSs to join on other channels. Target
1463 * firmware does not support this feature, needs to be
1469 memset(vif
->req_bssid
, 0, sizeof(vif
->req_bssid
));
1470 if (ibss_param
->bssid
&& !is_broadcast_ether_addr(ibss_param
->bssid
))
1471 memcpy(vif
->req_bssid
, ibss_param
->bssid
,
1472 sizeof(vif
->req_bssid
));
1474 ath6kl_set_wpa_version(vif
, 0);
1476 status
= ath6kl_set_auth_type(vif
, NL80211_AUTHTYPE_OPEN_SYSTEM
);
1480 if (ibss_param
->privacy
) {
1481 ath6kl_set_cipher(vif
, WLAN_CIPHER_SUITE_WEP40
, true);
1482 ath6kl_set_cipher(vif
, WLAN_CIPHER_SUITE_WEP40
, false);
1484 ath6kl_set_cipher(vif
, 0, true);
1485 ath6kl_set_cipher(vif
, 0, false);
1488 vif
->nw_type
= vif
->next_mode
;
1490 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1491 "%s: connect called with authmode %d dot11 auth %d"
1492 " PW crypto %d PW crypto len %d GRP crypto %d"
1493 " GRP crypto len %d channel hint %u\n",
1495 vif
->auth_mode
, vif
->dot11_auth_mode
, vif
->prwise_crypto
,
1496 vif
->prwise_crypto_len
, vif
->grp_crypto
,
1497 vif
->grp_crypto_len
, vif
->ch_hint
);
1499 status
= ath6kl_wmi_connect_cmd(ar
->wmi
, vif
->fw_vif_idx
, vif
->nw_type
,
1500 vif
->dot11_auth_mode
, vif
->auth_mode
,
1502 vif
->prwise_crypto_len
,
1503 vif
->grp_crypto
, vif
->grp_crypto_len
,
1504 vif
->ssid_len
, vif
->ssid
,
1505 vif
->req_bssid
, vif
->ch_hint
,
1506 ar
->connect_ctrl_flags
, SUBTYPE_NONE
);
1507 set_bit(CONNECT_PEND
, &vif
->flags
);
1512 static int ath6kl_cfg80211_leave_ibss(struct wiphy
*wiphy
,
1513 struct net_device
*dev
)
1515 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1517 if (!ath6kl_cfg80211_ready(vif
))
1520 ath6kl_disconnect(vif
);
1521 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
1527 static const u32 cipher_suites
[] = {
1528 WLAN_CIPHER_SUITE_WEP40
,
1529 WLAN_CIPHER_SUITE_WEP104
,
1530 WLAN_CIPHER_SUITE_TKIP
,
1531 WLAN_CIPHER_SUITE_CCMP
,
1532 CCKM_KRK_CIPHER_SUITE
,
1533 WLAN_CIPHER_SUITE_SMS4
,
1536 static bool is_rate_legacy(s32 rate
)
1538 static const s32 legacy
[] = { 1000, 2000, 5500, 11000,
1539 6000, 9000, 12000, 18000, 24000,
1544 for (i
= 0; i
< ARRAY_SIZE(legacy
); i
++)
1545 if (rate
== legacy
[i
])
1551 static bool is_rate_ht20(s32 rate
, u8
*mcs
, bool *sgi
)
1553 static const s32 ht20
[] = { 6500, 13000, 19500, 26000, 39000,
1554 52000, 58500, 65000, 72200
1558 for (i
= 0; i
< ARRAY_SIZE(ht20
); i
++) {
1559 if (rate
== ht20
[i
]) {
1560 if (i
== ARRAY_SIZE(ht20
) - 1)
1561 /* last rate uses sgi */
1573 static bool is_rate_ht40(s32 rate
, u8
*mcs
, bool *sgi
)
1575 static const s32 ht40
[] = { 13500, 27000, 40500, 54000,
1576 81000, 108000, 121500, 135000,
1581 for (i
= 0; i
< ARRAY_SIZE(ht40
); i
++) {
1582 if (rate
== ht40
[i
]) {
1583 if (i
== ARRAY_SIZE(ht40
) - 1)
1584 /* last rate uses sgi */
1597 static int ath6kl_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1598 u8
*mac
, struct station_info
*sinfo
)
1600 struct ath6kl
*ar
= ath6kl_priv(dev
);
1601 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1608 if (memcmp(mac
, vif
->bssid
, ETH_ALEN
) != 0)
1611 if (down_interruptible(&ar
->sem
))
1614 set_bit(STATS_UPDATE_PEND
, &vif
->flags
);
1616 ret
= ath6kl_wmi_get_stats_cmd(ar
->wmi
, vif
->fw_vif_idx
);
1623 left
= wait_event_interruptible_timeout(ar
->event_wq
,
1624 !test_bit(STATS_UPDATE_PEND
,
1635 if (vif
->target_stats
.rx_byte
) {
1636 sinfo
->rx_bytes
= vif
->target_stats
.rx_byte
;
1637 sinfo
->filled
|= STATION_INFO_RX_BYTES
;
1638 sinfo
->rx_packets
= vif
->target_stats
.rx_pkt
;
1639 sinfo
->filled
|= STATION_INFO_RX_PACKETS
;
1642 if (vif
->target_stats
.tx_byte
) {
1643 sinfo
->tx_bytes
= vif
->target_stats
.tx_byte
;
1644 sinfo
->filled
|= STATION_INFO_TX_BYTES
;
1645 sinfo
->tx_packets
= vif
->target_stats
.tx_pkt
;
1646 sinfo
->filled
|= STATION_INFO_TX_PACKETS
;
1649 sinfo
->signal
= vif
->target_stats
.cs_rssi
;
1650 sinfo
->filled
|= STATION_INFO_SIGNAL
;
1652 rate
= vif
->target_stats
.tx_ucast_rate
;
1654 if (is_rate_legacy(rate
)) {
1655 sinfo
->txrate
.legacy
= rate
/ 100;
1656 } else if (is_rate_ht20(rate
, &mcs
, &sgi
)) {
1658 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1659 sinfo
->txrate
.mcs
= mcs
- 1;
1661 sinfo
->txrate
.mcs
= mcs
;
1664 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
1665 } else if (is_rate_ht40(rate
, &mcs
, &sgi
)) {
1667 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1668 sinfo
->txrate
.mcs
= mcs
- 1;
1670 sinfo
->txrate
.mcs
= mcs
;
1673 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_40_MHZ_WIDTH
;
1674 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
1676 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1677 "invalid rate from stats: %d\n", rate
);
1678 ath6kl_debug_war(ar
, ATH6KL_WAR_INVALID_RATE
);
1682 sinfo
->filled
|= STATION_INFO_TX_BITRATE
;
1684 if (test_bit(CONNECTED
, &vif
->flags
) &&
1685 test_bit(DTIM_PERIOD_AVAIL
, &vif
->flags
) &&
1686 vif
->nw_type
== INFRA_NETWORK
) {
1687 sinfo
->filled
|= STATION_INFO_BSS_PARAM
;
1688 sinfo
->bss_param
.flags
= 0;
1689 sinfo
->bss_param
.dtim_period
= vif
->assoc_bss_dtim_period
;
1690 sinfo
->bss_param
.beacon_interval
= vif
->assoc_bss_beacon_int
;
1696 static int ath6kl_set_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
1697 struct cfg80211_pmksa
*pmksa
)
1699 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1700 struct ath6kl_vif
*vif
= netdev_priv(netdev
);
1702 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, vif
->fw_vif_idx
, pmksa
->bssid
,
1703 pmksa
->pmkid
, true);
1706 static int ath6kl_del_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
1707 struct cfg80211_pmksa
*pmksa
)
1709 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1710 struct ath6kl_vif
*vif
= netdev_priv(netdev
);
1712 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, vif
->fw_vif_idx
, pmksa
->bssid
,
1713 pmksa
->pmkid
, false);
1716 static int ath6kl_flush_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
)
1718 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1719 struct ath6kl_vif
*vif
= netdev_priv(netdev
);
1721 if (test_bit(CONNECTED
, &vif
->flags
))
1722 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1723 vif
->bssid
, NULL
, false);
1727 static int ath6kl_wow_usr(struct ath6kl
*ar
, struct ath6kl_vif
*vif
,
1728 struct cfg80211_wowlan
*wow
, u32
*filter
)
1731 u8 mask
[WOW_MASK_SIZE
];
1734 /* Configure the patterns that we received from the user. */
1735 for (i
= 0; i
< wow
->n_patterns
; i
++) {
1738 * Convert given nl80211 specific mask value to equivalent
1739 * driver specific mask value and send it to the chip along
1740 * with patterns. For example, If the mask value defined in
1741 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1742 * then equivalent driver specific mask value is
1743 * "0xFF 0x00 0xFF 0x00".
1745 memset(&mask
, 0, sizeof(mask
));
1746 for (pos
= 0; pos
< wow
->patterns
[i
].pattern_len
; pos
++) {
1747 if (wow
->patterns
[i
].mask
[pos
/ 8] & (0x1 << (pos
% 8)))
1751 * Note: Pattern's offset is not passed as part of wowlan
1752 * parameter from CFG layer. So it's always passed as ZERO
1753 * to the firmware. It means, given WOW patterns are always
1754 * matched from the first byte of received pkt in the firmware.
1756 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1757 vif
->fw_vif_idx
, WOW_LIST_ID
,
1758 wow
->patterns
[i
].pattern_len
,
1759 0 /* pattern offset */,
1760 wow
->patterns
[i
].pattern
, mask
);
1765 if (wow
->disconnect
)
1766 *filter
|= WOW_FILTER_OPTION_NWK_DISASSOC
;
1769 *filter
|= WOW_FILTER_OPTION_MAGIC_PACKET
;
1771 if (wow
->gtk_rekey_failure
)
1772 *filter
|= WOW_FILTER_OPTION_GTK_ERROR
;
1774 if (wow
->eap_identity_req
)
1775 *filter
|= WOW_FILTER_OPTION_EAP_REQ
;
1777 if (wow
->four_way_handshake
)
1778 *filter
|= WOW_FILTER_OPTION_8021X_4WAYHS
;
1783 static int ath6kl_wow_ap(struct ath6kl
*ar
, struct ath6kl_vif
*vif
)
1785 static const u8 unicst_pattern
[] = { 0x00, 0x00, 0x00,
1786 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1787 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1789 static const u8 unicst_mask
[] = { 0x01, 0x00, 0x00,
1790 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1791 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1793 u8 unicst_offset
= 0;
1794 static const u8 arp_pattern
[] = { 0x08, 0x06 };
1795 static const u8 arp_mask
[] = { 0xff, 0xff };
1797 static const u8 discvr_pattern
[] = { 0xe0, 0x00, 0x00, 0xf8 };
1798 static const u8 discvr_mask
[] = { 0xf0, 0x00, 0x00, 0xf8 };
1799 u8 discvr_offset
= 38;
1800 static const u8 dhcp_pattern
[] = { 0xff, 0xff, 0xff, 0xff,
1801 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1802 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1803 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1804 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1805 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1806 static const u8 dhcp_mask
[] = { 0xff, 0xff, 0xff, 0xff,
1807 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1808 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1809 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1810 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1811 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1815 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1816 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1817 vif
->fw_vif_idx
, WOW_LIST_ID
,
1818 sizeof(unicst_pattern
), unicst_offset
,
1819 unicst_pattern
, unicst_mask
);
1821 ath6kl_err("failed to add WOW unicast IP pattern\n");
1825 /* Setup all ARP pkt pattern */
1826 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1827 vif
->fw_vif_idx
, WOW_LIST_ID
,
1828 sizeof(arp_pattern
), arp_offset
,
1829 arp_pattern
, arp_mask
);
1831 ath6kl_err("failed to add WOW ARP pattern\n");
1836 * Setup multicast pattern for mDNS 224.0.0.251,
1837 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
1839 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1840 vif
->fw_vif_idx
, WOW_LIST_ID
,
1841 sizeof(discvr_pattern
), discvr_offset
,
1842 discvr_pattern
, discvr_mask
);
1844 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
1848 /* Setup all DHCP broadcast pkt pattern */
1849 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1850 vif
->fw_vif_idx
, WOW_LIST_ID
,
1851 sizeof(dhcp_pattern
), dhcp_offset
,
1852 dhcp_pattern
, dhcp_mask
);
1854 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
1861 static int ath6kl_wow_sta(struct ath6kl
*ar
, struct ath6kl_vif
*vif
)
1863 struct net_device
*ndev
= vif
->ndev
;
1864 static const u8 discvr_pattern
[] = { 0xe0, 0x00, 0x00, 0xf8 };
1865 static const u8 discvr_mask
[] = { 0xf0, 0x00, 0x00, 0xf8 };
1866 u8 discvr_offset
= 38;
1867 u8 mac_mask
[ETH_ALEN
];
1870 /* Setup unicast pkt pattern */
1871 memset(mac_mask
, 0xff, ETH_ALEN
);
1872 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1873 vif
->fw_vif_idx
, WOW_LIST_ID
,
1874 ETH_ALEN
, 0, ndev
->dev_addr
,
1877 ath6kl_err("failed to add WOW unicast pattern\n");
1882 * Setup multicast pattern for mDNS 224.0.0.251,
1883 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
1885 if ((ndev
->flags
& IFF_ALLMULTI
) ||
1886 (ndev
->flags
& IFF_MULTICAST
&& netdev_mc_count(ndev
) > 0)) {
1887 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1888 vif
->fw_vif_idx
, WOW_LIST_ID
,
1889 sizeof(discvr_pattern
), discvr_offset
,
1890 discvr_pattern
, discvr_mask
);
1892 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR "
1901 static int ath6kl_wow_suspend(struct ath6kl
*ar
, struct cfg80211_wowlan
*wow
)
1903 struct in_device
*in_dev
;
1904 struct in_ifaddr
*ifa
;
1905 struct ath6kl_vif
*vif
;
1910 __be32 ips
[MAX_IP_ADDRS
];
1912 vif
= ath6kl_vif_first(ar
);
1916 if (!ath6kl_cfg80211_ready(vif
))
1919 if (!test_bit(CONNECTED
, &vif
->flags
))
1922 if (wow
&& (wow
->n_patterns
> WOW_MAX_FILTERS_PER_LIST
))
1925 /* Clear existing WOW patterns */
1926 for (i
= 0; i
< WOW_MAX_FILTERS_PER_LIST
; i
++)
1927 ath6kl_wmi_del_wow_pattern_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1931 * Skip the default WOW pattern configuration
1932 * if the driver receives any WOW patterns from
1936 ret
= ath6kl_wow_usr(ar
, vif
, wow
, &filter
);
1937 else if (vif
->nw_type
== AP_NETWORK
)
1938 ret
= ath6kl_wow_ap(ar
, vif
);
1940 ret
= ath6kl_wow_sta(ar
, vif
);
1945 /* Setup own IP addr for ARP agent. */
1946 in_dev
= __in_dev_get_rtnl(vif
->ndev
);
1950 ifa
= in_dev
->ifa_list
;
1951 memset(&ips
, 0, sizeof(ips
));
1953 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
1954 while (index
< MAX_IP_ADDRS
&& ifa
) {
1955 ips
[index
] = ifa
->ifa_local
;
1956 ifa
= ifa
->ifa_next
;
1961 ath6kl_err("total IP addr count is exceeding fw limit\n");
1965 ret
= ath6kl_wmi_set_ip_cmd(ar
->wmi
, vif
->fw_vif_idx
, ips
[0], ips
[1]);
1967 ath6kl_err("fail to setup ip for arp agent\n");
1972 ret
= ath6kl_wmi_set_wow_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1973 ATH6KL_WOW_MODE_ENABLE
,
1975 WOW_HOST_REQ_DELAY
);
1979 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED
, &vif
->flags
);
1981 ret
= ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1982 ATH6KL_HOST_MODE_ASLEEP
);
1986 left
= wait_event_interruptible_timeout(ar
->event_wq
,
1987 test_bit(HOST_SLEEP_MODE_CMD_PROCESSED
, &vif
->flags
),
1990 ath6kl_warn("timeout, didn't get host sleep cmd "
1991 "processed event\n");
1993 } else if (left
< 0) {
1994 ath6kl_warn("error while waiting for host sleep cmd "
1995 "processed event %d\n", left
);
1999 if (ar
->tx_pending
[ar
->ctrl_ep
]) {
2000 left
= wait_event_interruptible_timeout(ar
->event_wq
,
2001 ar
->tx_pending
[ar
->ctrl_ep
] == 0, WMI_TIMEOUT
);
2003 ath6kl_warn("clear wmi ctrl data timeout\n");
2005 } else if (left
< 0) {
2006 ath6kl_warn("clear wmi ctrl data failed: %d\n", left
);
2014 static int ath6kl_wow_resume(struct ath6kl
*ar
)
2016 struct ath6kl_vif
*vif
;
2019 vif
= ath6kl_vif_first(ar
);
2023 ret
= ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2024 ATH6KL_HOST_MODE_AWAKE
);
2028 int ath6kl_cfg80211_suspend(struct ath6kl
*ar
,
2029 enum ath6kl_cfg_suspend_mode mode
,
2030 struct cfg80211_wowlan
*wow
)
2035 case ATH6KL_CFG_SUSPEND_WOW
:
2037 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "wow mode suspend\n");
2039 /* Flush all non control pkts in TX path */
2040 ath6kl_tx_data_cleanup(ar
);
2042 ret
= ath6kl_wow_suspend(ar
, wow
);
2044 ath6kl_err("wow suspend failed: %d\n", ret
);
2047 ar
->state
= ATH6KL_STATE_WOW
;
2050 case ATH6KL_CFG_SUSPEND_DEEPSLEEP
:
2052 ath6kl_cfg80211_stop_all(ar
);
2054 /* save the current power mode before enabling power save */
2055 ar
->wmi
->saved_pwr_mode
= ar
->wmi
->pwr_mode
;
2057 ret
= ath6kl_wmi_powermode_cmd(ar
->wmi
, 0, REC_POWER
);
2059 ath6kl_warn("wmi powermode command failed during suspend: %d\n",
2063 ar
->state
= ATH6KL_STATE_DEEPSLEEP
;
2067 case ATH6KL_CFG_SUSPEND_CUTPOWER
:
2069 ath6kl_cfg80211_stop_all(ar
);
2071 if (ar
->state
== ATH6KL_STATE_OFF
) {
2072 ath6kl_dbg(ATH6KL_DBG_SUSPEND
,
2073 "suspend hw off, no action for cutpower\n");
2077 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "suspend cutting power\n");
2079 ret
= ath6kl_init_hw_stop(ar
);
2081 ath6kl_warn("failed to stop hw during suspend: %d\n",
2085 ar
->state
= ATH6KL_STATE_CUTPOWER
;
2089 case ATH6KL_CFG_SUSPEND_SCHED_SCAN
:
2091 * Nothing needed for schedule scan, firmware is already in
2092 * wow mode and sleeping most of the time.
2102 EXPORT_SYMBOL(ath6kl_cfg80211_suspend
);
2104 int ath6kl_cfg80211_resume(struct ath6kl
*ar
)
2108 switch (ar
->state
) {
2109 case ATH6KL_STATE_WOW
:
2110 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "wow mode resume\n");
2112 ret
= ath6kl_wow_resume(ar
);
2114 ath6kl_warn("wow mode resume failed: %d\n", ret
);
2118 ar
->state
= ATH6KL_STATE_ON
;
2121 case ATH6KL_STATE_DEEPSLEEP
:
2122 if (ar
->wmi
->pwr_mode
!= ar
->wmi
->saved_pwr_mode
) {
2123 ret
= ath6kl_wmi_powermode_cmd(ar
->wmi
, 0,
2124 ar
->wmi
->saved_pwr_mode
);
2126 ath6kl_warn("wmi powermode command failed during resume: %d\n",
2131 ar
->state
= ATH6KL_STATE_ON
;
2135 case ATH6KL_STATE_CUTPOWER
:
2136 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "resume restoring power\n");
2138 ret
= ath6kl_init_hw_start(ar
);
2140 ath6kl_warn("Failed to boot hw in resume: %d\n", ret
);
2145 case ATH6KL_STATE_SCHED_SCAN
:
2154 EXPORT_SYMBOL(ath6kl_cfg80211_resume
);
2158 /* hif layer decides what suspend mode to use */
2159 static int __ath6kl_cfg80211_suspend(struct wiphy
*wiphy
,
2160 struct cfg80211_wowlan
*wow
)
2162 struct ath6kl
*ar
= wiphy_priv(wiphy
);
2164 return ath6kl_hif_suspend(ar
, wow
);
2167 static int __ath6kl_cfg80211_resume(struct wiphy
*wiphy
)
2169 struct ath6kl
*ar
= wiphy_priv(wiphy
);
2171 return ath6kl_hif_resume(ar
);
2175 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2176 * both sdio irq wake up and keep power. The target pulls sdio data line to
2177 * wake up the host when WOW pattern matches. This causes sdio irq handler
2178 * is being called in the host side which internally hits ath6kl's RX path.
2180 * Since sdio interrupt is not disabled, RX path executes even before
2181 * the host executes the actual resume operation from PM module.
2183 * In the current scenario, WOW resume should happen before start processing
2184 * any data from the target. So It's required to perform WOW resume in RX path.
2185 * Ideally we should perform WOW resume only in the actual platform
2186 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2188 * ath6kl_check_wow_status() is called from ath6kl_rx().
2190 void ath6kl_check_wow_status(struct ath6kl
*ar
)
2192 if (ar
->state
== ATH6KL_STATE_WOW
)
2193 ath6kl_cfg80211_resume(ar
);
2198 void ath6kl_check_wow_status(struct ath6kl
*ar
)
2203 static int ath6kl_set_channel(struct wiphy
*wiphy
, struct net_device
*dev
,
2204 struct ieee80211_channel
*chan
,
2205 enum nl80211_channel_type channel_type
)
2207 struct ath6kl_vif
*vif
;
2210 * 'dev' could be NULL if a channel change is required for the hardware
2211 * device itself, instead of a particular VIF.
2213 * FIXME: To be handled properly when monitor mode is supported.
2218 vif
= netdev_priv(dev
);
2220 if (!ath6kl_cfg80211_ready(vif
))
2223 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: center_freq=%u hw_value=%u\n",
2224 __func__
, chan
->center_freq
, chan
->hw_value
);
2225 vif
->next_chan
= chan
->center_freq
;
2230 static bool ath6kl_is_p2p_ie(const u8
*pos
)
2232 return pos
[0] == WLAN_EID_VENDOR_SPECIFIC
&& pos
[1] >= 4 &&
2233 pos
[2] == 0x50 && pos
[3] == 0x6f &&
2234 pos
[4] == 0x9a && pos
[5] == 0x09;
2237 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif
*vif
,
2238 const u8
*ies
, size_t ies_len
)
2240 struct ath6kl
*ar
= vif
->ar
;
2247 * Filter out P2P IE(s) since they will be included depending on
2248 * the Probe Request frame in ath6kl_send_go_probe_resp().
2251 if (ies
&& ies_len
) {
2252 buf
= kmalloc(ies_len
, GFP_KERNEL
);
2256 while (pos
+ 1 < ies
+ ies_len
) {
2257 if (pos
+ 2 + pos
[1] > ies
+ ies_len
)
2259 if (!ath6kl_is_p2p_ie(pos
)) {
2260 memcpy(buf
+ len
, pos
, 2 + pos
[1]);
2267 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2268 WMI_FRAME_PROBE_RESP
, buf
, len
);
2273 static int ath6kl_ap_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
2274 struct beacon_parameters
*info
, bool add
)
2276 struct ath6kl
*ar
= ath6kl_priv(dev
);
2277 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2278 struct ieee80211_mgmt
*mgmt
;
2281 struct wmi_connect_cmd p
;
2285 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: add=%d\n", __func__
, add
);
2287 if (!ath6kl_cfg80211_ready(vif
))
2290 if (vif
->next_mode
!= AP_NETWORK
)
2293 if (info
->beacon_ies
) {
2294 res
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2297 info
->beacon_ies_len
);
2301 if (info
->proberesp_ies
) {
2302 res
= ath6kl_set_ap_probe_resp_ies(vif
, info
->proberesp_ies
,
2303 info
->proberesp_ies_len
);
2307 if (info
->assocresp_ies
) {
2308 res
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2309 WMI_FRAME_ASSOC_RESP
,
2310 info
->assocresp_ies
,
2311 info
->assocresp_ies_len
);
2319 ar
->ap_mode_bkey
.valid
= false;
2326 if (info
->head
== NULL
)
2328 mgmt
= (struct ieee80211_mgmt
*) info
->head
;
2329 ies
= mgmt
->u
.beacon
.variable
;
2330 if (ies
> info
->head
+ info
->head_len
)
2332 ies_len
= info
->head
+ info
->head_len
- ies
;
2334 if (info
->ssid
== NULL
)
2336 memcpy(vif
->ssid
, info
->ssid
, info
->ssid_len
);
2337 vif
->ssid_len
= info
->ssid_len
;
2338 if (info
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
)
2339 return -EOPNOTSUPP
; /* TODO */
2341 ret
= ath6kl_set_auth_type(vif
, info
->auth_type
);
2345 memset(&p
, 0, sizeof(p
));
2347 for (i
= 0; i
< info
->crypto
.n_akm_suites
; i
++) {
2348 switch (info
->crypto
.akm_suites
[i
]) {
2349 case WLAN_AKM_SUITE_8021X
:
2350 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_1
)
2351 p
.auth_mode
|= WPA_AUTH
;
2352 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_2
)
2353 p
.auth_mode
|= WPA2_AUTH
;
2355 case WLAN_AKM_SUITE_PSK
:
2356 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_1
)
2357 p
.auth_mode
|= WPA_PSK_AUTH
;
2358 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_2
)
2359 p
.auth_mode
|= WPA2_PSK_AUTH
;
2363 if (p
.auth_mode
== 0)
2364 p
.auth_mode
= NONE_AUTH
;
2365 vif
->auth_mode
= p
.auth_mode
;
2367 for (i
= 0; i
< info
->crypto
.n_ciphers_pairwise
; i
++) {
2368 switch (info
->crypto
.ciphers_pairwise
[i
]) {
2369 case WLAN_CIPHER_SUITE_WEP40
:
2370 case WLAN_CIPHER_SUITE_WEP104
:
2371 p
.prwise_crypto_type
|= WEP_CRYPT
;
2373 case WLAN_CIPHER_SUITE_TKIP
:
2374 p
.prwise_crypto_type
|= TKIP_CRYPT
;
2376 case WLAN_CIPHER_SUITE_CCMP
:
2377 p
.prwise_crypto_type
|= AES_CRYPT
;
2379 case WLAN_CIPHER_SUITE_SMS4
:
2380 p
.prwise_crypto_type
|= WAPI_CRYPT
;
2384 if (p
.prwise_crypto_type
== 0) {
2385 p
.prwise_crypto_type
= NONE_CRYPT
;
2386 ath6kl_set_cipher(vif
, 0, true);
2387 } else if (info
->crypto
.n_ciphers_pairwise
== 1)
2388 ath6kl_set_cipher(vif
, info
->crypto
.ciphers_pairwise
[0], true);
2390 switch (info
->crypto
.cipher_group
) {
2391 case WLAN_CIPHER_SUITE_WEP40
:
2392 case WLAN_CIPHER_SUITE_WEP104
:
2393 p
.grp_crypto_type
= WEP_CRYPT
;
2395 case WLAN_CIPHER_SUITE_TKIP
:
2396 p
.grp_crypto_type
= TKIP_CRYPT
;
2398 case WLAN_CIPHER_SUITE_CCMP
:
2399 p
.grp_crypto_type
= AES_CRYPT
;
2401 case WLAN_CIPHER_SUITE_SMS4
:
2402 p
.grp_crypto_type
= WAPI_CRYPT
;
2405 p
.grp_crypto_type
= NONE_CRYPT
;
2408 ath6kl_set_cipher(vif
, info
->crypto
.cipher_group
, false);
2410 p
.nw_type
= AP_NETWORK
;
2411 vif
->nw_type
= vif
->next_mode
;
2413 p
.ssid_len
= vif
->ssid_len
;
2414 memcpy(p
.ssid
, vif
->ssid
, vif
->ssid_len
);
2415 p
.dot11_auth_mode
= vif
->dot11_auth_mode
;
2416 p
.ch
= cpu_to_le16(vif
->next_chan
);
2418 /* Enable uAPSD support by default */
2419 res
= ath6kl_wmi_ap_set_apsd(ar
->wmi
, vif
->fw_vif_idx
, true);
2423 if (vif
->wdev
.iftype
== NL80211_IFTYPE_P2P_GO
) {
2424 p
.nw_subtype
= SUBTYPE_P2PGO
;
2427 * Due to firmware limitation, it is not possible to
2428 * do P2P mgmt operations in AP mode
2430 p
.nw_subtype
= SUBTYPE_NONE
;
2433 res
= ath6kl_wmi_ap_profile_commit(ar
->wmi
, vif
->fw_vif_idx
, &p
);
2440 static int ath6kl_add_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
2441 struct beacon_parameters
*info
)
2443 return ath6kl_ap_beacon(wiphy
, dev
, info
, true);
2446 static int ath6kl_set_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
2447 struct beacon_parameters
*info
)
2449 return ath6kl_ap_beacon(wiphy
, dev
, info
, false);
2452 static int ath6kl_del_beacon(struct wiphy
*wiphy
, struct net_device
*dev
)
2454 struct ath6kl
*ar
= ath6kl_priv(dev
);
2455 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2457 if (vif
->nw_type
!= AP_NETWORK
)
2459 if (!test_bit(CONNECTED
, &vif
->flags
))
2462 ath6kl_wmi_disconnect_cmd(ar
->wmi
, vif
->fw_vif_idx
);
2463 clear_bit(CONNECTED
, &vif
->flags
);
2468 static const u8 bcast_addr
[ETH_ALEN
] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2470 static int ath6kl_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2473 struct ath6kl
*ar
= ath6kl_priv(dev
);
2474 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2475 const u8
*addr
= mac
? mac
: bcast_addr
;
2477 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, vif
->fw_vif_idx
, WMI_AP_DEAUTH
,
2478 addr
, WLAN_REASON_PREV_AUTH_NOT_VALID
);
2481 static int ath6kl_change_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2482 u8
*mac
, struct station_parameters
*params
)
2484 struct ath6kl
*ar
= ath6kl_priv(dev
);
2485 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2487 if (vif
->nw_type
!= AP_NETWORK
)
2490 /* Use this only for authorizing/unauthorizing a station */
2491 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
2494 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
2495 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, vif
->fw_vif_idx
,
2496 WMI_AP_MLME_AUTHORIZE
, mac
, 0);
2497 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, vif
->fw_vif_idx
,
2498 WMI_AP_MLME_UNAUTHORIZE
, mac
, 0);
2501 static int ath6kl_remain_on_channel(struct wiphy
*wiphy
,
2502 struct net_device
*dev
,
2503 struct ieee80211_channel
*chan
,
2504 enum nl80211_channel_type channel_type
,
2505 unsigned int duration
,
2508 struct ath6kl
*ar
= ath6kl_priv(dev
);
2509 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2512 /* TODO: if already pending or ongoing remain-on-channel,
2514 id
= ++vif
->last_roc_id
;
2516 /* Do not use 0 as the cookie value */
2517 id
= ++vif
->last_roc_id
;
2521 return ath6kl_wmi_remain_on_chnl_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2522 chan
->center_freq
, duration
);
2525 static int ath6kl_cancel_remain_on_channel(struct wiphy
*wiphy
,
2526 struct net_device
*dev
,
2529 struct ath6kl
*ar
= ath6kl_priv(dev
);
2530 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2532 if (cookie
!= vif
->last_roc_id
)
2534 vif
->last_cancel_roc_id
= cookie
;
2536 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar
->wmi
, vif
->fw_vif_idx
);
2539 static int ath6kl_send_go_probe_resp(struct ath6kl_vif
*vif
,
2540 const u8
*buf
, size_t len
,
2543 struct ath6kl
*ar
= vif
->ar
;
2548 const struct ieee80211_mgmt
*mgmt
;
2550 mgmt
= (const struct ieee80211_mgmt
*) buf
;
2552 /* Include P2P IE(s) from the frame generated in user space. */
2554 p2p
= kmalloc(len
, GFP_KERNEL
);
2559 pos
= mgmt
->u
.probe_resp
.variable
;
2560 while (pos
+ 1 < buf
+ len
) {
2561 if (pos
+ 2 + pos
[1] > buf
+ len
)
2563 if (ath6kl_is_p2p_ie(pos
)) {
2564 memcpy(p2p
+ p2p_len
, pos
, 2 + pos
[1]);
2565 p2p_len
+= 2 + pos
[1];
2570 ret
= ath6kl_wmi_send_probe_response_cmd(ar
->wmi
, vif
->fw_vif_idx
, freq
,
2571 mgmt
->da
, p2p
, p2p_len
);
2576 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif
*vif
,
2585 struct ieee80211_mgmt
*mgmt
;
2586 struct ath6kl_sta
*conn
;
2587 bool is_psq_empty
= false;
2588 struct ath6kl_mgmt_buff
*mgmt_buf
;
2589 size_t mgmt_buf_size
;
2590 struct ath6kl
*ar
= vif
->ar
;
2592 mgmt
= (struct ieee80211_mgmt
*) buf
;
2593 if (is_multicast_ether_addr(mgmt
->da
))
2596 conn
= ath6kl_find_sta(vif
, mgmt
->da
);
2600 if (conn
->sta_flags
& STA_PS_SLEEP
) {
2601 if (!(conn
->sta_flags
& STA_PS_POLLED
)) {
2602 /* Queue the frames if the STA is sleeping */
2603 mgmt_buf_size
= len
+ sizeof(struct ath6kl_mgmt_buff
);
2604 mgmt_buf
= kmalloc(mgmt_buf_size
, GFP_KERNEL
);
2608 INIT_LIST_HEAD(&mgmt_buf
->list
);
2610 mgmt_buf
->freq
= freq
;
2611 mgmt_buf
->wait
= wait
;
2612 mgmt_buf
->len
= len
;
2613 mgmt_buf
->no_cck
= no_cck
;
2614 memcpy(mgmt_buf
->buf
, buf
, len
);
2615 spin_lock_bh(&conn
->psq_lock
);
2616 is_psq_empty
= skb_queue_empty(&conn
->psq
) &&
2617 (conn
->mgmt_psq_len
== 0);
2618 list_add_tail(&mgmt_buf
->list
, &conn
->mgmt_psq
);
2619 conn
->mgmt_psq_len
++;
2620 spin_unlock_bh(&conn
->psq_lock
);
2623 * If this is the first pkt getting queued
2624 * for this STA, update the PVB for this
2628 ath6kl_wmi_set_pvb_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2634 * This tx is because of a PsPoll.
2635 * Determine if MoreData bit has to be set.
2637 spin_lock_bh(&conn
->psq_lock
);
2638 if (!skb_queue_empty(&conn
->psq
) || (conn
->mgmt_psq_len
!= 0))
2640 spin_unlock_bh(&conn
->psq_lock
);
2646 static int ath6kl_mgmt_tx(struct wiphy
*wiphy
, struct net_device
*dev
,
2647 struct ieee80211_channel
*chan
, bool offchan
,
2648 enum nl80211_channel_type channel_type
,
2649 bool channel_type_valid
, unsigned int wait
,
2650 const u8
*buf
, size_t len
, bool no_cck
,
2651 bool dont_wait_for_ack
, u64
*cookie
)
2653 struct ath6kl
*ar
= ath6kl_priv(dev
);
2654 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2656 const struct ieee80211_mgmt
*mgmt
;
2657 bool more_data
, queued
;
2659 mgmt
= (const struct ieee80211_mgmt
*) buf
;
2660 if (buf
+ len
>= mgmt
->u
.probe_resp
.variable
&&
2661 vif
->nw_type
== AP_NETWORK
&& test_bit(CONNECTED
, &vif
->flags
) &&
2662 ieee80211_is_probe_resp(mgmt
->frame_control
)) {
2664 * Send Probe Response frame in AP mode using a separate WMI
2665 * command to allow the target to fill in the generic IEs.
2667 *cookie
= 0; /* TX status not supported */
2668 return ath6kl_send_go_probe_resp(vif
, buf
, len
,
2672 id
= vif
->send_action_id
++;
2675 * 0 is a reserved value in the WMI command and shall not be
2676 * used for the command.
2678 id
= vif
->send_action_id
++;
2683 /* AP mode Power saving processing */
2684 if (vif
->nw_type
== AP_NETWORK
) {
2685 queued
= ath6kl_mgmt_powersave_ap(vif
,
2686 id
, chan
->center_freq
,
2688 len
, &more_data
, no_cck
);
2693 return ath6kl_wmi_send_mgmt_cmd(ar
->wmi
, vif
->fw_vif_idx
, id
,
2694 chan
->center_freq
, wait
,
2698 static void ath6kl_mgmt_frame_register(struct wiphy
*wiphy
,
2699 struct net_device
*dev
,
2700 u16 frame_type
, bool reg
)
2702 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2704 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: frame_type=0x%x reg=%d\n",
2705 __func__
, frame_type
, reg
);
2706 if (frame_type
== IEEE80211_STYPE_PROBE_REQ
) {
2708 * Note: This notification callback is not allowed to sleep, so
2709 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
2710 * hardcode target to report Probe Request frames all the time.
2712 vif
->probe_req_report
= reg
;
2716 static int ath6kl_cfg80211_sscan_start(struct wiphy
*wiphy
,
2717 struct net_device
*dev
,
2718 struct cfg80211_sched_scan_request
*request
)
2720 struct ath6kl
*ar
= ath6kl_priv(dev
);
2721 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2726 if (ar
->state
!= ATH6KL_STATE_ON
)
2729 if (vif
->sme_state
!= SME_DISCONNECTED
)
2732 for (i
= 0; i
< ar
->wiphy
->max_sched_scan_ssids
; i
++) {
2733 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2734 i
, DISABLE_SSID_FLAG
,
2738 /* fw uses seconds, also make sure that it's >0 */
2739 interval
= max_t(u16
, 1, request
->interval
/ 1000);
2741 ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2743 10, 0, 0, 0, 3, 0, 0, 0);
2745 if (request
->n_ssids
&& request
->ssids
[0].ssid_len
) {
2746 for (i
= 0; i
< request
->n_ssids
; i
++) {
2747 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2748 i
, SPECIFIC_SSID_FLAG
,
2749 request
->ssids
[i
].ssid_len
,
2750 request
->ssids
[i
].ssid
);
2754 ret
= ath6kl_wmi_set_wow_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2755 ATH6KL_WOW_MODE_ENABLE
,
2757 WOW_HOST_REQ_DELAY
);
2759 ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret
);
2763 /* this also clears IE in fw if it's not set */
2764 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2765 WMI_FRAME_PROBE_REQ
,
2766 request
->ie
, request
->ie_len
);
2768 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d",
2773 ret
= ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2774 ATH6KL_HOST_MODE_ASLEEP
);
2776 ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n",
2781 ar
->state
= ATH6KL_STATE_SCHED_SCAN
;
2786 static int ath6kl_cfg80211_sscan_stop(struct wiphy
*wiphy
,
2787 struct net_device
*dev
)
2789 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2792 stopped
= __ath6kl_cfg80211_sscan_stop(vif
);
2800 static const struct ieee80211_txrx_stypes
2801 ath6kl_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
2802 [NL80211_IFTYPE_STATION
] = {
2803 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
2804 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
2805 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
2806 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
2808 [NL80211_IFTYPE_AP
] = {
2809 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
2810 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
2811 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
2812 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
2814 [NL80211_IFTYPE_P2P_CLIENT
] = {
2815 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
2816 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
2817 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
2818 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
2820 [NL80211_IFTYPE_P2P_GO
] = {
2821 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
2822 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
2823 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
2824 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
2828 static struct cfg80211_ops ath6kl_cfg80211_ops
= {
2829 .add_virtual_intf
= ath6kl_cfg80211_add_iface
,
2830 .del_virtual_intf
= ath6kl_cfg80211_del_iface
,
2831 .change_virtual_intf
= ath6kl_cfg80211_change_iface
,
2832 .scan
= ath6kl_cfg80211_scan
,
2833 .connect
= ath6kl_cfg80211_connect
,
2834 .disconnect
= ath6kl_cfg80211_disconnect
,
2835 .add_key
= ath6kl_cfg80211_add_key
,
2836 .get_key
= ath6kl_cfg80211_get_key
,
2837 .del_key
= ath6kl_cfg80211_del_key
,
2838 .set_default_key
= ath6kl_cfg80211_set_default_key
,
2839 .set_wiphy_params
= ath6kl_cfg80211_set_wiphy_params
,
2840 .set_tx_power
= ath6kl_cfg80211_set_txpower
,
2841 .get_tx_power
= ath6kl_cfg80211_get_txpower
,
2842 .set_power_mgmt
= ath6kl_cfg80211_set_power_mgmt
,
2843 .join_ibss
= ath6kl_cfg80211_join_ibss
,
2844 .leave_ibss
= ath6kl_cfg80211_leave_ibss
,
2845 .get_station
= ath6kl_get_station
,
2846 .set_pmksa
= ath6kl_set_pmksa
,
2847 .del_pmksa
= ath6kl_del_pmksa
,
2848 .flush_pmksa
= ath6kl_flush_pmksa
,
2849 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd
)
2851 .suspend
= __ath6kl_cfg80211_suspend
,
2852 .resume
= __ath6kl_cfg80211_resume
,
2854 .set_channel
= ath6kl_set_channel
,
2855 .add_beacon
= ath6kl_add_beacon
,
2856 .set_beacon
= ath6kl_set_beacon
,
2857 .del_beacon
= ath6kl_del_beacon
,
2858 .del_station
= ath6kl_del_station
,
2859 .change_station
= ath6kl_change_station
,
2860 .remain_on_channel
= ath6kl_remain_on_channel
,
2861 .cancel_remain_on_channel
= ath6kl_cancel_remain_on_channel
,
2862 .mgmt_tx
= ath6kl_mgmt_tx
,
2863 .mgmt_frame_register
= ath6kl_mgmt_frame_register
,
2864 .sched_scan_start
= ath6kl_cfg80211_sscan_start
,
2865 .sched_scan_stop
= ath6kl_cfg80211_sscan_stop
,
2868 void ath6kl_cfg80211_stop(struct ath6kl_vif
*vif
)
2870 ath6kl_cfg80211_sscan_disable(vif
);
2872 switch (vif
->sme_state
) {
2873 case SME_DISCONNECTED
:
2875 case SME_CONNECTING
:
2876 cfg80211_connect_result(vif
->ndev
, vif
->bssid
, NULL
, 0,
2878 WLAN_STATUS_UNSPECIFIED_FAILURE
,
2882 cfg80211_disconnected(vif
->ndev
, 0, NULL
, 0, GFP_KERNEL
);
2886 if (test_bit(CONNECTED
, &vif
->flags
) ||
2887 test_bit(CONNECT_PEND
, &vif
->flags
))
2888 ath6kl_wmi_disconnect_cmd(vif
->ar
->wmi
, vif
->fw_vif_idx
);
2890 vif
->sme_state
= SME_DISCONNECTED
;
2891 clear_bit(CONNECTED
, &vif
->flags
);
2892 clear_bit(CONNECT_PEND
, &vif
->flags
);
2894 /* disable scanning */
2895 if (ath6kl_wmi_scanparams_cmd(vif
->ar
->wmi
, vif
->fw_vif_idx
, 0xFFFF,
2896 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
2897 ath6kl_warn("failed to disable scan during stop\n");
2899 ath6kl_cfg80211_scan_complete_event(vif
, true);
2902 void ath6kl_cfg80211_stop_all(struct ath6kl
*ar
)
2904 struct ath6kl_vif
*vif
;
2906 vif
= ath6kl_vif_first(ar
);
2908 /* save the current power mode before enabling power save */
2909 ar
->wmi
->saved_pwr_mode
= ar
->wmi
->pwr_mode
;
2911 if (ath6kl_wmi_powermode_cmd(ar
->wmi
, 0, REC_POWER
) != 0)
2912 ath6kl_warn("ath6kl_deep_sleep_enable: "
2913 "wmi_powermode_cmd failed\n");
2918 * FIXME: we should take ar->list_lock to protect changes in the
2919 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
2922 list_for_each_entry(vif
, &ar
->vif_list
, list
)
2923 ath6kl_cfg80211_stop(vif
);
2926 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif
*vif
)
2928 vif
->aggr_cntxt
= aggr_init(vif
);
2929 if (!vif
->aggr_cntxt
) {
2930 ath6kl_err("failed to initialize aggr\n");
2934 setup_timer(&vif
->disconnect_timer
, disconnect_timer_handler
,
2935 (unsigned long) vif
->ndev
);
2936 setup_timer(&vif
->sched_scan_timer
, ath6kl_wmi_sscan_timer
,
2937 (unsigned long) vif
);
2939 set_bit(WMM_ENABLED
, &vif
->flags
);
2940 spin_lock_init(&vif
->if_lock
);
2942 INIT_LIST_HEAD(&vif
->mc_filter
);
2947 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif
*vif
)
2949 struct ath6kl
*ar
= vif
->ar
;
2950 struct ath6kl_mc_filter
*mc_filter
, *tmp
;
2952 aggr_module_destroy(vif
->aggr_cntxt
);
2954 ar
->avail_idx_map
|= BIT(vif
->fw_vif_idx
);
2956 if (vif
->nw_type
== ADHOC_NETWORK
)
2957 ar
->ibss_if_active
= false;
2959 list_for_each_entry_safe(mc_filter
, tmp
, &vif
->mc_filter
, list
) {
2960 list_del(&mc_filter
->list
);
2964 unregister_netdevice(vif
->ndev
);
2969 struct net_device
*ath6kl_interface_add(struct ath6kl
*ar
, char *name
,
2970 enum nl80211_iftype type
, u8 fw_vif_idx
,
2973 struct net_device
*ndev
;
2974 struct ath6kl_vif
*vif
;
2976 ndev
= alloc_netdev(sizeof(*vif
), name
, ether_setup
);
2980 vif
= netdev_priv(ndev
);
2981 ndev
->ieee80211_ptr
= &vif
->wdev
;
2982 vif
->wdev
.wiphy
= ar
->wiphy
;
2985 SET_NETDEV_DEV(ndev
, wiphy_dev(vif
->wdev
.wiphy
));
2986 vif
->wdev
.netdev
= ndev
;
2987 vif
->wdev
.iftype
= type
;
2988 vif
->fw_vif_idx
= fw_vif_idx
;
2989 vif
->nw_type
= vif
->next_mode
= nw_type
;
2991 memcpy(ndev
->dev_addr
, ar
->mac_addr
, ETH_ALEN
);
2992 if (fw_vif_idx
!= 0)
2993 ndev
->dev_addr
[0] = (ndev
->dev_addr
[0] ^ (1 << fw_vif_idx
)) |
2998 ath6kl_init_control_info(vif
);
3000 if (ath6kl_cfg80211_vif_init(vif
))
3003 if (register_netdevice(ndev
))
3006 ar
->avail_idx_map
&= ~BIT(fw_vif_idx
);
3007 vif
->sme_state
= SME_DISCONNECTED
;
3008 set_bit(WLAN_ENABLED
, &vif
->flags
);
3009 ar
->wlan_pwr_state
= WLAN_POWER_STATE_ON
;
3010 set_bit(NETDEV_REGISTERED
, &vif
->flags
);
3012 if (type
== NL80211_IFTYPE_ADHOC
)
3013 ar
->ibss_if_active
= true;
3015 spin_lock_bh(&ar
->list_lock
);
3016 list_add_tail(&vif
->list
, &ar
->vif_list
);
3017 spin_unlock_bh(&ar
->list_lock
);
3022 aggr_module_destroy(vif
->aggr_cntxt
);
3027 int ath6kl_cfg80211_init(struct ath6kl
*ar
)
3029 struct wiphy
*wiphy
= ar
->wiphy
;
3032 wiphy
->mgmt_stypes
= ath6kl_mgmt_stypes
;
3034 wiphy
->max_remain_on_channel_duration
= 5000;
3036 /* set device pointer for wiphy */
3037 set_wiphy_dev(wiphy
, ar
->dev
);
3039 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
3040 BIT(NL80211_IFTYPE_ADHOC
) |
3041 BIT(NL80211_IFTYPE_AP
);
3043 wiphy
->interface_modes
|= BIT(NL80211_IFTYPE_P2P_GO
) |
3044 BIT(NL80211_IFTYPE_P2P_CLIENT
);
3047 /* max num of ssids that can be probed during scanning */
3048 wiphy
->max_scan_ssids
= MAX_PROBED_SSID_INDEX
;
3049 wiphy
->max_scan_ie_len
= 1000; /* FIX: what is correct limit? */
3050 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &ath6kl_band_2ghz
;
3051 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &ath6kl_band_5ghz
;
3052 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
3054 wiphy
->cipher_suites
= cipher_suites
;
3055 wiphy
->n_cipher_suites
= ARRAY_SIZE(cipher_suites
);
3057 wiphy
->wowlan
.flags
= WIPHY_WOWLAN_MAGIC_PKT
|
3058 WIPHY_WOWLAN_DISCONNECT
|
3059 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
3060 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
3061 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
3062 WIPHY_WOWLAN_4WAY_HANDSHAKE
;
3063 wiphy
->wowlan
.n_patterns
= WOW_MAX_FILTERS_PER_LIST
;
3064 wiphy
->wowlan
.pattern_min_len
= 1;
3065 wiphy
->wowlan
.pattern_max_len
= WOW_PATTERN_SIZE
;
3067 wiphy
->max_sched_scan_ssids
= 10;
3069 ret
= wiphy_register(wiphy
);
3071 ath6kl_err("couldn't register wiphy device\n");
3078 void ath6kl_cfg80211_cleanup(struct ath6kl
*ar
)
3080 wiphy_unregister(ar
->wiphy
);
3083 struct ath6kl
*ath6kl_cfg80211_create(void)
3086 struct wiphy
*wiphy
;
3088 /* create a new wiphy for use with cfg80211 */
3089 wiphy
= wiphy_new(&ath6kl_cfg80211_ops
, sizeof(struct ath6kl
));
3092 ath6kl_err("couldn't allocate wiphy device\n");
3096 ar
= wiphy_priv(wiphy
);
3102 /* Note: ar variable must not be accessed after calling this! */
3103 void ath6kl_cfg80211_destroy(struct ath6kl
*ar
)
3107 for (i
= 0; i
< AP_MAX_NUM_STA
; i
++)
3108 kfree(ar
->sta_list
[i
].aggr_conn
);
3110 wiphy_free(ar
->wiphy
);