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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 #include <linux/moduleparam.h>
21 #include <linux/inetdevice.h>
22 #include <linux/export.h>
30 #define RATETAB_ENT(_rate, _rateid, _flags) { \
33 .hw_value = (_rateid), \
36 #define CHAN2G(_channel, _freq, _flags) { \
37 .band = IEEE80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
41 .max_antenna_gain = 0, \
45 #define CHAN5G(_channel, _flags) { \
46 .band = IEEE80211_BAND_5GHZ, \
47 .hw_value = (_channel), \
48 .center_freq = 5000 + (5 * (_channel)), \
50 .max_antenna_gain = 0, \
54 #define DEFAULT_BG_SCAN_PERIOD 60
56 struct ath6kl_cfg80211_match_probe_ssid
{
57 struct cfg80211_ssid ssid
;
61 static struct ieee80211_rate ath6kl_rates
[] = {
62 RATETAB_ENT(10, 0x1, 0),
63 RATETAB_ENT(20, 0x2, 0),
64 RATETAB_ENT(55, 0x4, 0),
65 RATETAB_ENT(110, 0x8, 0),
66 RATETAB_ENT(60, 0x10, 0),
67 RATETAB_ENT(90, 0x20, 0),
68 RATETAB_ENT(120, 0x40, 0),
69 RATETAB_ENT(180, 0x80, 0),
70 RATETAB_ENT(240, 0x100, 0),
71 RATETAB_ENT(360, 0x200, 0),
72 RATETAB_ENT(480, 0x400, 0),
73 RATETAB_ENT(540, 0x800, 0),
76 #define ath6kl_a_rates (ath6kl_rates + 4)
77 #define ath6kl_a_rates_size 8
78 #define ath6kl_g_rates (ath6kl_rates + 0)
79 #define ath6kl_g_rates_size 12
81 #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
82 #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
83 IEEE80211_HT_CAP_SGI_20 | \
84 IEEE80211_HT_CAP_SGI_40)
86 static struct ieee80211_channel ath6kl_2ghz_channels
[] = {
103 static struct ieee80211_channel ath6kl_5ghz_a_channels
[] = {
104 CHAN5G(34, 0), CHAN5G(36, 0),
105 CHAN5G(38, 0), CHAN5G(40, 0),
106 CHAN5G(42, 0), CHAN5G(44, 0),
107 CHAN5G(46, 0), CHAN5G(48, 0),
108 CHAN5G(52, 0), CHAN5G(56, 0),
109 CHAN5G(60, 0), CHAN5G(64, 0),
110 CHAN5G(100, 0), CHAN5G(104, 0),
111 CHAN5G(108, 0), CHAN5G(112, 0),
112 CHAN5G(116, 0), CHAN5G(120, 0),
113 CHAN5G(124, 0), CHAN5G(128, 0),
114 CHAN5G(132, 0), CHAN5G(136, 0),
115 CHAN5G(140, 0), CHAN5G(149, 0),
116 CHAN5G(153, 0), CHAN5G(157, 0),
117 CHAN5G(161, 0), CHAN5G(165, 0),
118 CHAN5G(184, 0), CHAN5G(188, 0),
119 CHAN5G(192, 0), CHAN5G(196, 0),
120 CHAN5G(200, 0), CHAN5G(204, 0),
121 CHAN5G(208, 0), CHAN5G(212, 0),
125 static struct ieee80211_supported_band ath6kl_band_2ghz
= {
126 .n_channels
= ARRAY_SIZE(ath6kl_2ghz_channels
),
127 .channels
= ath6kl_2ghz_channels
,
128 .n_bitrates
= ath6kl_g_rates_size
,
129 .bitrates
= ath6kl_g_rates
,
130 .ht_cap
.cap
= ath6kl_g_htcap
,
131 .ht_cap
.ht_supported
= true,
134 static struct ieee80211_supported_band ath6kl_band_5ghz
= {
135 .n_channels
= ARRAY_SIZE(ath6kl_5ghz_a_channels
),
136 .channels
= ath6kl_5ghz_a_channels
,
137 .n_bitrates
= ath6kl_a_rates_size
,
138 .bitrates
= ath6kl_a_rates
,
139 .ht_cap
.cap
= ath6kl_a_htcap
,
140 .ht_cap
.ht_supported
= true,
143 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
145 /* returns true if scheduled scan was stopped */
146 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif
*vif
)
148 struct ath6kl
*ar
= vif
->ar
;
150 if (!test_and_clear_bit(SCHED_SCANNING
, &vif
->flags
))
153 del_timer_sync(&vif
->sched_scan_timer
);
155 if (ar
->state
== ATH6KL_STATE_RECOVERY
)
158 ath6kl_wmi_enable_sched_scan_cmd(ar
->wmi
, vif
->fw_vif_idx
, false);
163 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif
*vif
)
165 struct ath6kl
*ar
= vif
->ar
;
168 stopped
= __ath6kl_cfg80211_sscan_stop(vif
);
173 cfg80211_sched_scan_stopped(ar
->wiphy
);
176 static int ath6kl_set_wpa_version(struct ath6kl_vif
*vif
,
177 enum nl80211_wpa_versions wpa_version
)
179 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: %u\n", __func__
, wpa_version
);
182 vif
->auth_mode
= NONE_AUTH
;
183 } else if (wpa_version
& NL80211_WPA_VERSION_2
) {
184 vif
->auth_mode
= WPA2_AUTH
;
185 } else if (wpa_version
& NL80211_WPA_VERSION_1
) {
186 vif
->auth_mode
= WPA_AUTH
;
188 ath6kl_err("%s: %u not supported\n", __func__
, wpa_version
);
195 static int ath6kl_set_auth_type(struct ath6kl_vif
*vif
,
196 enum nl80211_auth_type auth_type
)
198 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: 0x%x\n", __func__
, auth_type
);
201 case NL80211_AUTHTYPE_OPEN_SYSTEM
:
202 vif
->dot11_auth_mode
= OPEN_AUTH
;
204 case NL80211_AUTHTYPE_SHARED_KEY
:
205 vif
->dot11_auth_mode
= SHARED_AUTH
;
207 case NL80211_AUTHTYPE_NETWORK_EAP
:
208 vif
->dot11_auth_mode
= LEAP_AUTH
;
211 case NL80211_AUTHTYPE_AUTOMATIC
:
212 vif
->dot11_auth_mode
= OPEN_AUTH
| SHARED_AUTH
;
216 ath6kl_err("%s: 0x%x not supported\n", __func__
, auth_type
);
223 static int ath6kl_set_cipher(struct ath6kl_vif
*vif
, u32 cipher
, bool ucast
)
225 u8
*ar_cipher
= ucast
? &vif
->prwise_crypto
: &vif
->grp_crypto
;
226 u8
*ar_cipher_len
= ucast
? &vif
->prwise_crypto_len
:
227 &vif
->grp_crypto_len
;
229 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: cipher 0x%x, ucast %u\n",
230 __func__
, cipher
, ucast
);
234 /* our own hack to use value 0 as no crypto used */
235 *ar_cipher
= NONE_CRYPT
;
238 case WLAN_CIPHER_SUITE_WEP40
:
239 *ar_cipher
= WEP_CRYPT
;
242 case WLAN_CIPHER_SUITE_WEP104
:
243 *ar_cipher
= WEP_CRYPT
;
246 case WLAN_CIPHER_SUITE_TKIP
:
247 *ar_cipher
= TKIP_CRYPT
;
250 case WLAN_CIPHER_SUITE_CCMP
:
251 *ar_cipher
= AES_CRYPT
;
254 case WLAN_CIPHER_SUITE_SMS4
:
255 *ar_cipher
= WAPI_CRYPT
;
259 ath6kl_err("cipher 0x%x not supported\n", cipher
);
266 static void ath6kl_set_key_mgmt(struct ath6kl_vif
*vif
, u32 key_mgmt
)
268 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: 0x%x\n", __func__
, key_mgmt
);
270 if (key_mgmt
== WLAN_AKM_SUITE_PSK
) {
271 if (vif
->auth_mode
== WPA_AUTH
)
272 vif
->auth_mode
= WPA_PSK_AUTH
;
273 else if (vif
->auth_mode
== WPA2_AUTH
)
274 vif
->auth_mode
= WPA2_PSK_AUTH
;
275 } else if (key_mgmt
== 0x00409600) {
276 if (vif
->auth_mode
== WPA_AUTH
)
277 vif
->auth_mode
= WPA_AUTH_CCKM
;
278 else if (vif
->auth_mode
== WPA2_AUTH
)
279 vif
->auth_mode
= WPA2_AUTH_CCKM
;
280 } else if (key_mgmt
!= WLAN_AKM_SUITE_8021X
) {
281 vif
->auth_mode
= NONE_AUTH
;
285 static bool ath6kl_cfg80211_ready(struct ath6kl_vif
*vif
)
287 struct ath6kl
*ar
= vif
->ar
;
289 if (!test_bit(WMI_READY
, &ar
->flag
)) {
290 ath6kl_err("wmi is not ready\n");
294 if (!test_bit(WLAN_ENABLED
, &vif
->flags
)) {
295 ath6kl_err("wlan disabled\n");
302 static bool ath6kl_is_wpa_ie(const u8
*pos
)
304 return pos
[0] == WLAN_EID_VENDOR_SPECIFIC
&& pos
[1] >= 4 &&
305 pos
[2] == 0x00 && pos
[3] == 0x50 &&
306 pos
[4] == 0xf2 && pos
[5] == 0x01;
309 static bool ath6kl_is_rsn_ie(const u8
*pos
)
311 return pos
[0] == WLAN_EID_RSN
;
314 static bool ath6kl_is_wps_ie(const u8
*pos
)
316 return (pos
[0] == WLAN_EID_VENDOR_SPECIFIC
&&
318 pos
[2] == 0x00 && pos
[3] == 0x50 && pos
[4] == 0xf2 &&
322 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif
*vif
, const u8
*ies
,
325 struct ath6kl
*ar
= vif
->ar
;
332 * Clear previously set flag
335 ar
->connect_ctrl_flags
&= ~CONNECT_WPS_FLAG
;
338 * Filter out RSN/WPA IE(s)
341 if (ies
&& ies_len
) {
342 buf
= kmalloc(ies_len
, GFP_KERNEL
);
347 while (pos
+ 1 < ies
+ ies_len
) {
348 if (pos
+ 2 + pos
[1] > ies
+ ies_len
)
350 if (!(ath6kl_is_wpa_ie(pos
) || ath6kl_is_rsn_ie(pos
))) {
351 memcpy(buf
+ len
, pos
, 2 + pos
[1]);
355 if (ath6kl_is_wps_ie(pos
))
356 ar
->connect_ctrl_flags
|= CONNECT_WPS_FLAG
;
362 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
363 WMI_FRAME_ASSOC_REQ
, buf
, len
);
368 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type
, u8
*nw_type
)
371 case NL80211_IFTYPE_STATION
:
372 case NL80211_IFTYPE_P2P_CLIENT
:
373 *nw_type
= INFRA_NETWORK
;
375 case NL80211_IFTYPE_ADHOC
:
376 *nw_type
= ADHOC_NETWORK
;
378 case NL80211_IFTYPE_AP
:
379 case NL80211_IFTYPE_P2P_GO
:
380 *nw_type
= AP_NETWORK
;
383 ath6kl_err("invalid interface type %u\n", type
);
390 static bool ath6kl_is_valid_iftype(struct ath6kl
*ar
, enum nl80211_iftype type
,
391 u8
*if_idx
, u8
*nw_type
)
395 if (ath6kl_nliftype_to_drv_iftype(type
, nw_type
))
398 if (ar
->ibss_if_active
|| ((type
== NL80211_IFTYPE_ADHOC
) &&
402 if (type
== NL80211_IFTYPE_STATION
||
403 type
== NL80211_IFTYPE_AP
|| type
== NL80211_IFTYPE_ADHOC
) {
404 for (i
= 0; i
< ar
->vif_max
; i
++) {
405 if ((ar
->avail_idx_map
) & BIT(i
)) {
412 if (type
== NL80211_IFTYPE_P2P_CLIENT
||
413 type
== NL80211_IFTYPE_P2P_GO
) {
414 for (i
= ar
->max_norm_iface
; i
< ar
->vif_max
; i
++) {
415 if ((ar
->avail_idx_map
) & BIT(i
)) {
425 static bool ath6kl_is_tx_pending(struct ath6kl
*ar
)
427 return ar
->tx_pending
[ath6kl_wmi_get_control_ep(ar
->wmi
)] == 0;
430 static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif
*vif
,
435 if (WARN_ON(!test_bit(WMI_READY
, &vif
->ar
->flag
)))
438 if (vif
->nw_type
!= INFRA_NETWORK
)
441 if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE
,
442 vif
->ar
->fw_capabilities
))
445 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s fw bmiss enhance\n",
446 enable
? "enable" : "disable");
448 err
= ath6kl_wmi_sta_bmiss_enhance_cmd(vif
->ar
->wmi
,
449 vif
->fw_vif_idx
, enable
);
451 ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
452 enable
? "enable" : "disable", err
);
455 static int ath6kl_cfg80211_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
456 struct cfg80211_connect_params
*sme
)
458 struct ath6kl
*ar
= ath6kl_priv(dev
);
459 struct ath6kl_vif
*vif
= netdev_priv(dev
);
461 u8 nw_subtype
= (ar
->p2p
) ? SUBTYPE_P2PDEV
: SUBTYPE_NONE
;
464 ath6kl_cfg80211_sscan_disable(vif
);
466 vif
->sme_state
= SME_CONNECTING
;
468 if (!ath6kl_cfg80211_ready(vif
))
471 if (test_bit(DESTROY_IN_PROGRESS
, &ar
->flag
)) {
472 ath6kl_err("destroy in progress\n");
476 if (test_bit(SKIP_SCAN
, &ar
->flag
) &&
477 ((sme
->channel
&& sme
->channel
->center_freq
== 0) ||
478 (sme
->bssid
&& is_zero_ether_addr(sme
->bssid
)))) {
479 ath6kl_err("SkipScan: channel or bssid invalid\n");
483 if (down_interruptible(&ar
->sem
)) {
484 ath6kl_err("busy, couldn't get access\n");
488 if (test_bit(DESTROY_IN_PROGRESS
, &ar
->flag
)) {
489 ath6kl_err("busy, destroy in progress\n");
494 if (ar
->tx_pending
[ath6kl_wmi_get_control_ep(ar
->wmi
)]) {
496 * sleep until the command queue drains
498 wait_event_interruptible_timeout(ar
->event_wq
,
499 ath6kl_is_tx_pending(ar
),
501 if (signal_pending(current
)) {
502 ath6kl_err("cmd queue drain timeout\n");
508 status
= ath6kl_set_assoc_req_ies(vif
, sme
->ie
, sme
->ie_len
);
514 if (sme
->ie
== NULL
|| sme
->ie_len
== 0)
515 ar
->connect_ctrl_flags
&= ~CONNECT_WPS_FLAG
;
517 if (test_bit(CONNECTED
, &vif
->flags
) &&
518 vif
->ssid_len
== sme
->ssid_len
&&
519 !memcmp(vif
->ssid
, sme
->ssid
, vif
->ssid_len
)) {
520 vif
->reconnect_flag
= true;
521 status
= ath6kl_wmi_reconnect_cmd(ar
->wmi
, vif
->fw_vif_idx
,
527 ath6kl_err("wmi_reconnect_cmd failed\n");
531 } else if (vif
->ssid_len
== sme
->ssid_len
&&
532 !memcmp(vif
->ssid
, sme
->ssid
, vif
->ssid_len
)) {
533 ath6kl_disconnect(vif
);
536 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
537 vif
->ssid_len
= sme
->ssid_len
;
538 memcpy(vif
->ssid
, sme
->ssid
, sme
->ssid_len
);
541 vif
->ch_hint
= sme
->channel
->center_freq
;
543 memset(vif
->req_bssid
, 0, sizeof(vif
->req_bssid
));
544 if (sme
->bssid
&& !is_broadcast_ether_addr(sme
->bssid
))
545 memcpy(vif
->req_bssid
, sme
->bssid
, sizeof(vif
->req_bssid
));
547 ath6kl_set_wpa_version(vif
, sme
->crypto
.wpa_versions
);
549 status
= ath6kl_set_auth_type(vif
, sme
->auth_type
);
555 if (sme
->crypto
.n_ciphers_pairwise
)
556 ath6kl_set_cipher(vif
, sme
->crypto
.ciphers_pairwise
[0], true);
558 ath6kl_set_cipher(vif
, 0, true);
560 ath6kl_set_cipher(vif
, sme
->crypto
.cipher_group
, false);
562 if (sme
->crypto
.n_akm_suites
)
563 ath6kl_set_key_mgmt(vif
, sme
->crypto
.akm_suites
[0]);
565 if ((sme
->key_len
) &&
566 (vif
->auth_mode
== NONE_AUTH
) &&
567 (vif
->prwise_crypto
== WEP_CRYPT
)) {
568 struct ath6kl_key
*key
= NULL
;
570 if (sme
->key_idx
> WMI_MAX_KEY_INDEX
) {
571 ath6kl_err("key index %d out of bounds\n",
577 key
= &vif
->keys
[sme
->key_idx
];
578 key
->key_len
= sme
->key_len
;
579 memcpy(key
->key
, sme
->key
, key
->key_len
);
580 key
->cipher
= vif
->prwise_crypto
;
581 vif
->def_txkey_index
= sme
->key_idx
;
583 ath6kl_wmi_addkey_cmd(ar
->wmi
, vif
->fw_vif_idx
, sme
->key_idx
,
585 GROUP_USAGE
| TX_USAGE
,
588 key
->key
, KEY_OP_INIT_VAL
, NULL
,
592 if (!ar
->usr_bss_filter
) {
593 clear_bit(CLEAR_BSSFILTER_ON_BEACON
, &vif
->flags
);
594 if (ath6kl_wmi_bssfilter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
595 ALL_BSS_FILTER
, 0) != 0) {
596 ath6kl_err("couldn't set bss filtering\n");
602 vif
->nw_type
= vif
->next_mode
;
604 /* enable enhanced bmiss detection if applicable */
605 ath6kl_cfg80211_sta_bmiss_enhance(vif
, true);
607 if (vif
->wdev
.iftype
== NL80211_IFTYPE_P2P_CLIENT
)
608 nw_subtype
= SUBTYPE_P2PCLIENT
;
610 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
611 "%s: connect called with authmode %d dot11 auth %d"
612 " PW crypto %d PW crypto len %d GRP crypto %d"
613 " GRP crypto len %d channel hint %u\n",
615 vif
->auth_mode
, vif
->dot11_auth_mode
, vif
->prwise_crypto
,
616 vif
->prwise_crypto_len
, vif
->grp_crypto
,
617 vif
->grp_crypto_len
, vif
->ch_hint
);
619 vif
->reconnect_flag
= 0;
621 if (vif
->nw_type
== INFRA_NETWORK
) {
622 interval
= max_t(u16
, vif
->listen_intvl_t
,
623 ATH6KL_MAX_WOW_LISTEN_INTL
);
624 status
= ath6kl_wmi_listeninterval_cmd(ar
->wmi
, vif
->fw_vif_idx
,
628 ath6kl_err("couldn't set listen intervel\n");
634 status
= ath6kl_wmi_connect_cmd(ar
->wmi
, vif
->fw_vif_idx
, vif
->nw_type
,
635 vif
->dot11_auth_mode
, vif
->auth_mode
,
637 vif
->prwise_crypto_len
,
638 vif
->grp_crypto
, vif
->grp_crypto_len
,
639 vif
->ssid_len
, vif
->ssid
,
640 vif
->req_bssid
, vif
->ch_hint
,
641 ar
->connect_ctrl_flags
, nw_subtype
);
643 if (sme
->bg_scan_period
== 0) {
644 /* disable background scan if period is 0 */
645 sme
->bg_scan_period
= 0xffff;
646 } else if (sme
->bg_scan_period
== -1) {
647 /* configure default value if not specified */
648 sme
->bg_scan_period
= DEFAULT_BG_SCAN_PERIOD
;
651 ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
, 0, 0,
652 sme
->bg_scan_period
, 0, 0, 0, 3, 0, 0, 0);
656 if (status
== -EINVAL
) {
657 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
659 ath6kl_err("invalid request\n");
662 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
666 if ((!(ar
->connect_ctrl_flags
& CONNECT_DO_WPA_OFFLOAD
)) &&
667 ((vif
->auth_mode
== WPA_PSK_AUTH
) ||
668 (vif
->auth_mode
== WPA2_PSK_AUTH
))) {
669 mod_timer(&vif
->disconnect_timer
,
670 jiffies
+ msecs_to_jiffies(DISCON_TIMER_INTVAL
));
673 ar
->connect_ctrl_flags
&= ~CONNECT_DO_WPA_OFFLOAD
;
674 set_bit(CONNECT_PEND
, &vif
->flags
);
679 static struct cfg80211_bss
*
680 ath6kl_add_bss_if_needed(struct ath6kl_vif
*vif
,
681 enum network_type nw_type
,
683 struct ieee80211_channel
*chan
,
685 size_t beacon_ie_len
)
687 struct ath6kl
*ar
= vif
->ar
;
688 struct cfg80211_bss
*bss
;
690 enum ieee80211_bss_type bss_type
;
693 if (nw_type
& ADHOC_NETWORK
) {
694 cap_val
= WLAN_CAPABILITY_IBSS
;
695 bss_type
= IEEE80211_BSS_TYPE_IBSS
;
697 cap_val
= WLAN_CAPABILITY_ESS
;
698 bss_type
= IEEE80211_BSS_TYPE_ESS
;
701 bss
= cfg80211_get_bss(ar
->wiphy
, chan
, bssid
,
702 vif
->ssid
, vif
->ssid_len
,
703 bss_type
, IEEE80211_PRIVACY_ANY
);
706 * Since cfg80211 may not yet know about the BSS,
707 * generate a partial entry until the first BSS info
708 * event becomes available.
710 * Prepend SSID element since it is not included in the Beacon
711 * IEs from the target.
713 ie
= kmalloc(2 + vif
->ssid_len
+ beacon_ie_len
, GFP_KERNEL
);
716 ie
[0] = WLAN_EID_SSID
;
717 ie
[1] = vif
->ssid_len
;
718 memcpy(ie
+ 2, vif
->ssid
, vif
->ssid_len
);
719 memcpy(ie
+ 2 + vif
->ssid_len
, beacon_ie
, beacon_ie_len
);
720 bss
= cfg80211_inform_bss(ar
->wiphy
, chan
,
721 CFG80211_BSS_FTYPE_UNKNOWN
,
722 bssid
, 0, cap_val
, 100,
723 ie
, 2 + vif
->ssid_len
+ beacon_ie_len
,
726 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
727 "added bss %pM to cfg80211\n", bssid
);
730 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "cfg80211 already has a bss\n");
736 void ath6kl_cfg80211_connect_event(struct ath6kl_vif
*vif
, u16 channel
,
737 u8
*bssid
, u16 listen_intvl
,
739 enum network_type nw_type
,
740 u8 beacon_ie_len
, u8 assoc_req_len
,
741 u8 assoc_resp_len
, u8
*assoc_info
)
743 struct ieee80211_channel
*chan
;
744 struct ath6kl
*ar
= vif
->ar
;
745 struct cfg80211_bss
*bss
;
747 /* capinfo + listen interval */
748 u8 assoc_req_ie_offset
= sizeof(u16
) + sizeof(u16
);
750 /* capinfo + status code + associd */
751 u8 assoc_resp_ie_offset
= sizeof(u16
) + sizeof(u16
) + sizeof(u16
);
753 u8
*assoc_req_ie
= assoc_info
+ beacon_ie_len
+ assoc_req_ie_offset
;
754 u8
*assoc_resp_ie
= assoc_info
+ beacon_ie_len
+ assoc_req_len
+
755 assoc_resp_ie_offset
;
757 assoc_req_len
-= assoc_req_ie_offset
;
758 assoc_resp_len
-= assoc_resp_ie_offset
;
761 * Store Beacon interval here; DTIM period will be available only once
762 * a Beacon frame from the AP is seen.
764 vif
->assoc_bss_beacon_int
= beacon_intvl
;
765 clear_bit(DTIM_PERIOD_AVAIL
, &vif
->flags
);
767 if (nw_type
& ADHOC_NETWORK
) {
768 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_ADHOC
) {
769 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
770 "%s: ath6k not in ibss mode\n", __func__
);
775 if (nw_type
& INFRA_NETWORK
) {
776 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_STATION
&&
777 vif
->wdev
.iftype
!= NL80211_IFTYPE_P2P_CLIENT
) {
778 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
779 "%s: ath6k not in station mode\n", __func__
);
784 chan
= ieee80211_get_channel(ar
->wiphy
, (int) channel
);
786 bss
= ath6kl_add_bss_if_needed(vif
, nw_type
, bssid
, chan
,
787 assoc_info
, beacon_ie_len
);
789 ath6kl_err("could not add cfg80211 bss entry\n");
793 if (nw_type
& ADHOC_NETWORK
) {
794 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "ad-hoc %s selected\n",
795 nw_type
& ADHOC_CREATOR
? "creator" : "joiner");
796 cfg80211_ibss_joined(vif
->ndev
, bssid
, chan
, GFP_KERNEL
);
797 cfg80211_put_bss(ar
->wiphy
, bss
);
801 if (vif
->sme_state
== SME_CONNECTING
) {
802 /* inform connect result to cfg80211 */
803 vif
->sme_state
= SME_CONNECTED
;
804 cfg80211_connect_result(vif
->ndev
, bssid
,
805 assoc_req_ie
, assoc_req_len
,
806 assoc_resp_ie
, assoc_resp_len
,
807 WLAN_STATUS_SUCCESS
, GFP_KERNEL
);
808 cfg80211_put_bss(ar
->wiphy
, bss
);
809 } else if (vif
->sme_state
== SME_CONNECTED
) {
810 /* inform roam event to cfg80211 */
811 cfg80211_roamed_bss(vif
->ndev
, bss
, assoc_req_ie
, assoc_req_len
,
812 assoc_resp_ie
, assoc_resp_len
, GFP_KERNEL
);
816 static int ath6kl_cfg80211_disconnect(struct wiphy
*wiphy
,
817 struct net_device
*dev
, u16 reason_code
)
819 struct ath6kl
*ar
= ath6kl_priv(dev
);
820 struct ath6kl_vif
*vif
= netdev_priv(dev
);
822 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: reason=%u\n", __func__
,
825 ath6kl_cfg80211_sscan_disable(vif
);
827 if (!ath6kl_cfg80211_ready(vif
))
830 if (test_bit(DESTROY_IN_PROGRESS
, &ar
->flag
)) {
831 ath6kl_err("busy, destroy in progress\n");
835 if (down_interruptible(&ar
->sem
)) {
836 ath6kl_err("busy, couldn't get access\n");
840 vif
->reconnect_flag
= 0;
841 ath6kl_disconnect(vif
);
842 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
845 if (!test_bit(SKIP_SCAN
, &ar
->flag
))
846 memset(vif
->req_bssid
, 0, sizeof(vif
->req_bssid
));
850 vif
->sme_state
= SME_DISCONNECTED
;
855 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif
*vif
, u8 reason
,
856 u8
*bssid
, u8 assoc_resp_len
,
857 u8
*assoc_info
, u16 proto_reason
)
859 struct ath6kl
*ar
= vif
->ar
;
862 cfg80211_scan_done(vif
->scan_req
, true);
863 vif
->scan_req
= NULL
;
866 if (vif
->nw_type
& ADHOC_NETWORK
) {
867 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_ADHOC
)
868 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
869 "%s: ath6k not in ibss mode\n", __func__
);
873 if (vif
->nw_type
& INFRA_NETWORK
) {
874 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_STATION
&&
875 vif
->wdev
.iftype
!= NL80211_IFTYPE_P2P_CLIENT
) {
876 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
877 "%s: ath6k not in station mode\n", __func__
);
882 clear_bit(CONNECT_PEND
, &vif
->flags
);
884 if (vif
->sme_state
== SME_CONNECTING
) {
885 cfg80211_connect_result(vif
->ndev
,
888 WLAN_STATUS_UNSPECIFIED_FAILURE
,
890 } else if (vif
->sme_state
== SME_CONNECTED
) {
891 cfg80211_disconnected(vif
->ndev
, proto_reason
,
892 NULL
, 0, false, GFP_KERNEL
);
895 vif
->sme_state
= SME_DISCONNECTED
;
898 * Send a disconnect command to target when a disconnect event is
899 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
900 * request from host) to make the firmware stop trying to connect even
901 * after giving disconnect event. There will be one more disconnect
902 * event for this disconnect command with reason code DISCONNECT_CMD
903 * which won't be notified to cfg80211.
905 if (reason
!= DISCONNECT_CMD
)
906 ath6kl_wmi_disconnect_cmd(ar
->wmi
, vif
->fw_vif_idx
);
909 static int ath6kl_set_probed_ssids(struct ath6kl
*ar
,
910 struct ath6kl_vif
*vif
,
911 struct cfg80211_ssid
*ssids
, int n_ssids
,
912 struct cfg80211_match_set
*match_set
,
915 u8 i
, j
, index_to_add
, ssid_found
= false;
916 struct ath6kl_cfg80211_match_probe_ssid ssid_list
[MAX_PROBED_SSIDS
];
918 memset(ssid_list
, 0, sizeof(ssid_list
));
920 if (n_ssids
> MAX_PROBED_SSIDS
||
921 n_match_ssid
> MAX_PROBED_SSIDS
)
924 for (i
= 0; i
< n_ssids
; i
++) {
925 memcpy(ssid_list
[i
].ssid
.ssid
,
928 ssid_list
[i
].ssid
.ssid_len
= ssids
[i
].ssid_len
;
930 if (ssids
[i
].ssid_len
)
931 ssid_list
[i
].flag
= SPECIFIC_SSID_FLAG
;
933 ssid_list
[i
].flag
= ANY_SSID_FLAG
;
935 if (n_match_ssid
== 0)
936 ssid_list
[i
].flag
|= MATCH_SSID_FLAG
;
941 for (i
= 0; i
< n_match_ssid
; i
++) {
944 for (j
= 0; j
< n_ssids
; j
++) {
945 if ((match_set
[i
].ssid
.ssid_len
==
946 ssid_list
[j
].ssid
.ssid_len
) &&
947 (!memcmp(ssid_list
[j
].ssid
.ssid
,
948 match_set
[i
].ssid
.ssid
,
949 match_set
[i
].ssid
.ssid_len
))) {
950 ssid_list
[j
].flag
|= MATCH_SSID_FLAG
;
959 if (index_to_add
>= MAX_PROBED_SSIDS
)
962 ssid_list
[index_to_add
].ssid
.ssid_len
=
963 match_set
[i
].ssid
.ssid_len
;
964 memcpy(ssid_list
[index_to_add
].ssid
.ssid
,
965 match_set
[i
].ssid
.ssid
,
966 match_set
[i
].ssid
.ssid_len
);
967 ssid_list
[index_to_add
].flag
|= MATCH_SSID_FLAG
;
971 for (i
= 0; i
< index_to_add
; i
++) {
972 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
, i
,
974 ssid_list
[i
].ssid
.ssid_len
,
975 ssid_list
[i
].ssid
.ssid
);
978 /* Make sure no old entries are left behind */
979 for (i
= index_to_add
; i
< MAX_PROBED_SSIDS
; i
++) {
980 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
, i
,
981 DISABLE_SSID_FLAG
, 0, NULL
);
987 static int ath6kl_cfg80211_scan(struct wiphy
*wiphy
,
988 struct cfg80211_scan_request
*request
)
990 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(request
->wdev
);
991 struct ath6kl
*ar
= ath6kl_priv(vif
->ndev
);
993 u16
*channels
= NULL
;
995 u32 force_fg_scan
= 0;
997 if (!ath6kl_cfg80211_ready(vif
))
1000 ath6kl_cfg80211_sscan_disable(vif
);
1002 if (!ar
->usr_bss_filter
) {
1003 clear_bit(CLEAR_BSSFILTER_ON_BEACON
, &vif
->flags
);
1004 ret
= ath6kl_wmi_bssfilter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1007 ath6kl_err("couldn't set bss filtering\n");
1012 ret
= ath6kl_set_probed_ssids(ar
, vif
, request
->ssids
,
1013 request
->n_ssids
, NULL
, 0);
1017 /* this also clears IE in fw if it's not set */
1018 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1019 WMI_FRAME_PROBE_REQ
,
1020 request
->ie
, request
->ie_len
);
1022 ath6kl_err("failed to set Probe Request appie for scan\n");
1027 * Scan only the requested channels if the request specifies a set of
1028 * channels. If the list is longer than the target supports, do not
1029 * configure the list and instead, scan all available channels.
1031 if (request
->n_channels
> 0 &&
1032 request
->n_channels
<= WMI_MAX_CHANNELS
) {
1035 n_channels
= request
->n_channels
;
1037 channels
= kzalloc(n_channels
* sizeof(u16
), GFP_KERNEL
);
1038 if (channels
== NULL
) {
1039 ath6kl_warn("failed to set scan channels, scan all channels");
1043 for (i
= 0; i
< n_channels
; i
++)
1044 channels
[i
] = request
->channels
[i
]->center_freq
;
1047 if (test_bit(CONNECTED
, &vif
->flags
))
1050 vif
->scan_req
= request
;
1052 ret
= ath6kl_wmi_beginscan_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1053 WMI_LONG_SCAN
, force_fg_scan
,
1055 ATH6KL_FG_SCAN_INTERVAL
,
1056 n_channels
, channels
,
1060 ath6kl_err("failed to start scan: %d\n", ret
);
1061 vif
->scan_req
= NULL
;
1069 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif
*vif
, bool aborted
)
1071 struct ath6kl
*ar
= vif
->ar
;
1074 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: status%s\n", __func__
,
1075 aborted
? " aborted" : "");
1083 if (vif
->scan_req
->n_ssids
&& vif
->scan_req
->ssids
[0].ssid_len
) {
1084 for (i
= 0; i
< vif
->scan_req
->n_ssids
; i
++) {
1085 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1086 i
+ 1, DISABLE_SSID_FLAG
,
1092 cfg80211_scan_done(vif
->scan_req
, aborted
);
1093 vif
->scan_req
= NULL
;
1096 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif
*vif
, int freq
,
1097 enum wmi_phy_mode mode
)
1099 struct cfg80211_chan_def chandef
;
1101 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1102 "channel switch notify nw_type %d freq %d mode %d\n",
1103 vif
->nw_type
, freq
, mode
);
1105 cfg80211_chandef_create(&chandef
,
1106 ieee80211_get_channel(vif
->ar
->wiphy
, freq
),
1107 (mode
== WMI_11G_HT20
) ?
1108 NL80211_CHAN_HT20
: NL80211_CHAN_NO_HT
);
1110 mutex_lock(&vif
->wdev
.mtx
);
1111 cfg80211_ch_switch_notify(vif
->ndev
, &chandef
);
1112 mutex_unlock(&vif
->wdev
.mtx
);
1115 static int ath6kl_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1116 u8 key_index
, bool pairwise
,
1118 struct key_params
*params
)
1120 struct ath6kl
*ar
= ath6kl_priv(ndev
);
1121 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1122 struct ath6kl_key
*key
= NULL
;
1127 if (!ath6kl_cfg80211_ready(vif
))
1130 if (params
->cipher
== CCKM_KRK_CIPHER_SUITE
) {
1131 if (params
->key_len
!= WMI_KRK_LEN
)
1133 return ath6kl_wmi_add_krk_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1137 if (key_index
> WMI_MAX_KEY_INDEX
) {
1138 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1139 "%s: key index %d out of bounds\n", __func__
,
1144 key
= &vif
->keys
[key_index
];
1145 memset(key
, 0, sizeof(struct ath6kl_key
));
1148 key_usage
= PAIRWISE_USAGE
;
1150 key_usage
= GROUP_USAGE
;
1152 seq_len
= params
->seq_len
;
1153 if (params
->cipher
== WLAN_CIPHER_SUITE_SMS4
&&
1154 seq_len
> ATH6KL_KEY_SEQ_LEN
) {
1155 /* Only first half of the WPI PN is configured */
1156 seq_len
= ATH6KL_KEY_SEQ_LEN
;
1158 if (params
->key_len
> WLAN_MAX_KEY_LEN
||
1159 seq_len
> sizeof(key
->seq
))
1162 key
->key_len
= params
->key_len
;
1163 memcpy(key
->key
, params
->key
, key
->key_len
);
1164 key
->seq_len
= seq_len
;
1165 memcpy(key
->seq
, params
->seq
, key
->seq_len
);
1166 key
->cipher
= params
->cipher
;
1168 switch (key
->cipher
) {
1169 case WLAN_CIPHER_SUITE_WEP40
:
1170 case WLAN_CIPHER_SUITE_WEP104
:
1171 key_type
= WEP_CRYPT
;
1174 case WLAN_CIPHER_SUITE_TKIP
:
1175 key_type
= TKIP_CRYPT
;
1178 case WLAN_CIPHER_SUITE_CCMP
:
1179 key_type
= AES_CRYPT
;
1181 case WLAN_CIPHER_SUITE_SMS4
:
1182 key_type
= WAPI_CRYPT
;
1189 if (((vif
->auth_mode
== WPA_PSK_AUTH
) ||
1190 (vif
->auth_mode
== WPA2_PSK_AUTH
)) &&
1191 (key_usage
& GROUP_USAGE
))
1192 del_timer(&vif
->disconnect_timer
);
1194 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1195 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1196 __func__
, key_index
, key
->key_len
, key_type
,
1197 key_usage
, key
->seq_len
);
1199 if (vif
->nw_type
== AP_NETWORK
&& !pairwise
&&
1200 (key_type
== TKIP_CRYPT
|| key_type
== AES_CRYPT
||
1201 key_type
== WAPI_CRYPT
)) {
1202 ar
->ap_mode_bkey
.valid
= true;
1203 ar
->ap_mode_bkey
.key_index
= key_index
;
1204 ar
->ap_mode_bkey
.key_type
= key_type
;
1205 ar
->ap_mode_bkey
.key_len
= key
->key_len
;
1206 memcpy(ar
->ap_mode_bkey
.key
, key
->key
, key
->key_len
);
1207 if (!test_bit(CONNECTED
, &vif
->flags
)) {
1208 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1209 "Delay initial group key configuration until AP mode has been started\n");
1211 * The key will be set in ath6kl_connect_ap_mode() once
1212 * the connected event is received from the target.
1218 if (vif
->next_mode
== AP_NETWORK
&& key_type
== WEP_CRYPT
&&
1219 !test_bit(CONNECTED
, &vif
->flags
)) {
1221 * Store the key locally so that it can be re-configured after
1222 * the AP mode has properly started
1223 * (ath6kl_install_statioc_wep_keys).
1225 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1226 "Delay WEP key configuration until AP mode has been started\n");
1227 vif
->wep_key_list
[key_index
].key_len
= key
->key_len
;
1228 memcpy(vif
->wep_key_list
[key_index
].key
, key
->key
,
1233 return ath6kl_wmi_addkey_cmd(ar
->wmi
, vif
->fw_vif_idx
, key_index
,
1234 key_type
, key_usage
, key
->key_len
,
1235 key
->seq
, key
->seq_len
, key
->key
,
1237 (u8
*) mac_addr
, SYNC_BOTH_WMIFLAG
);
1240 static int ath6kl_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1241 u8 key_index
, bool pairwise
,
1244 struct ath6kl
*ar
= ath6kl_priv(ndev
);
1245 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1247 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
1249 if (!ath6kl_cfg80211_ready(vif
))
1252 if (key_index
> WMI_MAX_KEY_INDEX
) {
1253 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1254 "%s: key index %d out of bounds\n", __func__
,
1259 if (!vif
->keys
[key_index
].key_len
) {
1260 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1261 "%s: index %d is empty\n", __func__
, key_index
);
1265 vif
->keys
[key_index
].key_len
= 0;
1267 return ath6kl_wmi_deletekey_cmd(ar
->wmi
, vif
->fw_vif_idx
, key_index
);
1270 static int ath6kl_cfg80211_get_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1271 u8 key_index
, bool pairwise
,
1272 const u8
*mac_addr
, void *cookie
,
1273 void (*callback
) (void *cookie
,
1274 struct key_params
*))
1276 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1277 struct ath6kl_key
*key
= NULL
;
1278 struct key_params params
;
1280 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
1282 if (!ath6kl_cfg80211_ready(vif
))
1285 if (key_index
> WMI_MAX_KEY_INDEX
) {
1286 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1287 "%s: key index %d out of bounds\n", __func__
,
1292 key
= &vif
->keys
[key_index
];
1293 memset(¶ms
, 0, sizeof(params
));
1294 params
.cipher
= key
->cipher
;
1295 params
.key_len
= key
->key_len
;
1296 params
.seq_len
= key
->seq_len
;
1297 params
.seq
= key
->seq
;
1298 params
.key
= key
->key
;
1300 callback(cookie
, ¶ms
);
1302 return key
->key_len
? 0 : -ENOENT
;
1305 static int ath6kl_cfg80211_set_default_key(struct wiphy
*wiphy
,
1306 struct net_device
*ndev
,
1307 u8 key_index
, bool unicast
,
1310 struct ath6kl
*ar
= ath6kl_priv(ndev
);
1311 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1312 struct ath6kl_key
*key
= NULL
;
1314 enum crypto_type key_type
= NONE_CRYPT
;
1316 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
1318 if (!ath6kl_cfg80211_ready(vif
))
1321 if (key_index
> WMI_MAX_KEY_INDEX
) {
1322 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1323 "%s: key index %d out of bounds\n",
1324 __func__
, key_index
);
1328 if (!vif
->keys
[key_index
].key_len
) {
1329 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: invalid key index %d\n",
1330 __func__
, key_index
);
1334 vif
->def_txkey_index
= key_index
;
1335 key
= &vif
->keys
[vif
->def_txkey_index
];
1336 key_usage
= GROUP_USAGE
;
1337 if (vif
->prwise_crypto
== WEP_CRYPT
)
1338 key_usage
|= TX_USAGE
;
1340 key_type
= vif
->prwise_crypto
;
1342 key_type
= vif
->grp_crypto
;
1344 if (vif
->next_mode
== AP_NETWORK
&& !test_bit(CONNECTED
, &vif
->flags
))
1345 return 0; /* Delay until AP mode has been started */
1347 return ath6kl_wmi_addkey_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1348 vif
->def_txkey_index
,
1349 key_type
, key_usage
,
1350 key
->key_len
, key
->seq
, key
->seq_len
,
1352 KEY_OP_INIT_VAL
, NULL
,
1356 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif
*vif
, u8 keyid
,
1359 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1360 "%s: keyid %d, ismcast %d\n", __func__
, keyid
, ismcast
);
1362 cfg80211_michael_mic_failure(vif
->ndev
, vif
->bssid
,
1363 (ismcast
? NL80211_KEYTYPE_GROUP
:
1364 NL80211_KEYTYPE_PAIRWISE
), keyid
, NULL
,
1368 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1370 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1371 struct ath6kl_vif
*vif
;
1374 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: changed 0x%x\n", __func__
,
1377 vif
= ath6kl_vif_first(ar
);
1381 if (!ath6kl_cfg80211_ready(vif
))
1384 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1385 ret
= ath6kl_wmi_set_rts_cmd(ar
->wmi
, wiphy
->rts_threshold
);
1387 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1395 static int ath6kl_cfg80211_set_txpower(struct wiphy
*wiphy
,
1396 struct wireless_dev
*wdev
,
1397 enum nl80211_tx_power_setting type
,
1400 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1401 struct ath6kl_vif
*vif
;
1402 int dbm
= MBM_TO_DBM(mbm
);
1404 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type 0x%x, dbm %d\n", __func__
,
1407 vif
= ath6kl_vif_first(ar
);
1411 if (!ath6kl_cfg80211_ready(vif
))
1415 case NL80211_TX_POWER_AUTOMATIC
:
1417 case NL80211_TX_POWER_LIMITED
:
1421 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type 0x%x not supported\n",
1426 ath6kl_wmi_set_tx_pwr_cmd(ar
->wmi
, vif
->fw_vif_idx
, dbm
);
1431 static int ath6kl_cfg80211_get_txpower(struct wiphy
*wiphy
,
1432 struct wireless_dev
*wdev
,
1435 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1436 struct ath6kl_vif
*vif
;
1438 vif
= ath6kl_vif_first(ar
);
1442 if (!ath6kl_cfg80211_ready(vif
))
1445 if (test_bit(CONNECTED
, &vif
->flags
)) {
1448 if (ath6kl_wmi_get_tx_pwr_cmd(ar
->wmi
, vif
->fw_vif_idx
) != 0) {
1449 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1453 wait_event_interruptible_timeout(ar
->event_wq
, ar
->tx_pwr
!= 0,
1456 if (signal_pending(current
)) {
1457 ath6kl_err("target did not respond\n");
1466 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
1467 struct net_device
*dev
,
1468 bool pmgmt
, int timeout
)
1470 struct ath6kl
*ar
= ath6kl_priv(dev
);
1471 struct wmi_power_mode_cmd mode
;
1472 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1474 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: pmgmt %d, timeout %d\n",
1475 __func__
, pmgmt
, timeout
);
1477 if (!ath6kl_cfg80211_ready(vif
))
1481 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: rec power\n", __func__
);
1482 mode
.pwr_mode
= REC_POWER
;
1484 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: max perf\n", __func__
);
1485 mode
.pwr_mode
= MAX_PERF_POWER
;
1488 if (ath6kl_wmi_powermode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1489 mode
.pwr_mode
) != 0) {
1490 ath6kl_err("wmi_powermode_cmd failed\n");
1497 static struct wireless_dev
*ath6kl_cfg80211_add_iface(struct wiphy
*wiphy
,
1499 unsigned char name_assign_type
,
1500 enum nl80211_iftype type
,
1502 struct vif_params
*params
)
1504 struct ath6kl
*ar
= wiphy_priv(wiphy
);
1505 struct wireless_dev
*wdev
;
1508 if (ar
->num_vif
== ar
->vif_max
) {
1509 ath6kl_err("Reached maximum number of supported vif\n");
1510 return ERR_PTR(-EINVAL
);
1513 if (!ath6kl_is_valid_iftype(ar
, type
, &if_idx
, &nw_type
)) {
1514 ath6kl_err("Not a supported interface type\n");
1515 return ERR_PTR(-EINVAL
);
1518 wdev
= ath6kl_interface_add(ar
, name
, name_assign_type
, type
, if_idx
, nw_type
);
1520 return ERR_PTR(-ENOMEM
);
1527 static int ath6kl_cfg80211_del_iface(struct wiphy
*wiphy
,
1528 struct wireless_dev
*wdev
)
1530 struct ath6kl
*ar
= wiphy_priv(wiphy
);
1531 struct ath6kl_vif
*vif
= netdev_priv(wdev
->netdev
);
1533 spin_lock_bh(&ar
->list_lock
);
1534 list_del(&vif
->list
);
1535 spin_unlock_bh(&ar
->list_lock
);
1537 ath6kl_cfg80211_vif_stop(vif
, test_bit(WMI_READY
, &ar
->flag
));
1540 ath6kl_cfg80211_vif_cleanup(vif
);
1546 static int ath6kl_cfg80211_change_iface(struct wiphy
*wiphy
,
1547 struct net_device
*ndev
,
1548 enum nl80211_iftype type
, u32
*flags
,
1549 struct vif_params
*params
)
1551 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1554 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type %u\n", __func__
, type
);
1557 * Don't bring up p2p on an interface which is not initialized
1558 * for p2p operation where fw does not have capability to switch
1559 * dynamically between non-p2p and p2p type interface.
1561 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX
,
1562 vif
->ar
->fw_capabilities
) &&
1563 (type
== NL80211_IFTYPE_P2P_CLIENT
||
1564 type
== NL80211_IFTYPE_P2P_GO
)) {
1565 if (vif
->ar
->vif_max
== 1) {
1566 if (vif
->fw_vif_idx
!= 0)
1569 goto set_iface_type
;
1572 for (i
= vif
->ar
->max_norm_iface
; i
< vif
->ar
->vif_max
; i
++) {
1573 if (i
== vif
->fw_vif_idx
)
1577 if (i
== vif
->ar
->vif_max
) {
1578 ath6kl_err("Invalid interface to bring up P2P\n");
1583 /* need to clean up enhanced bmiss detection fw state */
1584 ath6kl_cfg80211_sta_bmiss_enhance(vif
, false);
1588 case NL80211_IFTYPE_STATION
:
1589 case NL80211_IFTYPE_P2P_CLIENT
:
1590 vif
->next_mode
= INFRA_NETWORK
;
1592 case NL80211_IFTYPE_ADHOC
:
1593 vif
->next_mode
= ADHOC_NETWORK
;
1595 case NL80211_IFTYPE_AP
:
1596 case NL80211_IFTYPE_P2P_GO
:
1597 vif
->next_mode
= AP_NETWORK
;
1600 ath6kl_err("invalid interface type %u\n", type
);
1604 vif
->wdev
.iftype
= type
;
1609 static int ath6kl_cfg80211_join_ibss(struct wiphy
*wiphy
,
1610 struct net_device
*dev
,
1611 struct cfg80211_ibss_params
*ibss_param
)
1613 struct ath6kl
*ar
= ath6kl_priv(dev
);
1614 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1617 if (!ath6kl_cfg80211_ready(vif
))
1620 vif
->ssid_len
= ibss_param
->ssid_len
;
1621 memcpy(vif
->ssid
, ibss_param
->ssid
, vif
->ssid_len
);
1623 if (ibss_param
->chandef
.chan
)
1624 vif
->ch_hint
= ibss_param
->chandef
.chan
->center_freq
;
1626 if (ibss_param
->channel_fixed
) {
1628 * TODO: channel_fixed: The channel should be fixed, do not
1629 * search for IBSSs to join on other channels. Target
1630 * firmware does not support this feature, needs to be
1636 memset(vif
->req_bssid
, 0, sizeof(vif
->req_bssid
));
1637 if (ibss_param
->bssid
&& !is_broadcast_ether_addr(ibss_param
->bssid
))
1638 memcpy(vif
->req_bssid
, ibss_param
->bssid
,
1639 sizeof(vif
->req_bssid
));
1641 ath6kl_set_wpa_version(vif
, 0);
1643 status
= ath6kl_set_auth_type(vif
, NL80211_AUTHTYPE_OPEN_SYSTEM
);
1647 if (ibss_param
->privacy
) {
1648 ath6kl_set_cipher(vif
, WLAN_CIPHER_SUITE_WEP40
, true);
1649 ath6kl_set_cipher(vif
, WLAN_CIPHER_SUITE_WEP40
, false);
1651 ath6kl_set_cipher(vif
, 0, true);
1652 ath6kl_set_cipher(vif
, 0, false);
1655 vif
->nw_type
= vif
->next_mode
;
1657 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1658 "%s: connect called with authmode %d dot11 auth %d"
1659 " PW crypto %d PW crypto len %d GRP crypto %d"
1660 " GRP crypto len %d channel hint %u\n",
1662 vif
->auth_mode
, vif
->dot11_auth_mode
, vif
->prwise_crypto
,
1663 vif
->prwise_crypto_len
, vif
->grp_crypto
,
1664 vif
->grp_crypto_len
, vif
->ch_hint
);
1666 status
= ath6kl_wmi_connect_cmd(ar
->wmi
, vif
->fw_vif_idx
, vif
->nw_type
,
1667 vif
->dot11_auth_mode
, vif
->auth_mode
,
1669 vif
->prwise_crypto_len
,
1670 vif
->grp_crypto
, vif
->grp_crypto_len
,
1671 vif
->ssid_len
, vif
->ssid
,
1672 vif
->req_bssid
, vif
->ch_hint
,
1673 ar
->connect_ctrl_flags
, SUBTYPE_NONE
);
1674 set_bit(CONNECT_PEND
, &vif
->flags
);
1679 static int ath6kl_cfg80211_leave_ibss(struct wiphy
*wiphy
,
1680 struct net_device
*dev
)
1682 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1684 if (!ath6kl_cfg80211_ready(vif
))
1687 ath6kl_disconnect(vif
);
1688 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
1694 static const u32 cipher_suites
[] = {
1695 WLAN_CIPHER_SUITE_WEP40
,
1696 WLAN_CIPHER_SUITE_WEP104
,
1697 WLAN_CIPHER_SUITE_TKIP
,
1698 WLAN_CIPHER_SUITE_CCMP
,
1699 CCKM_KRK_CIPHER_SUITE
,
1700 WLAN_CIPHER_SUITE_SMS4
,
1703 static bool is_rate_legacy(s32 rate
)
1705 static const s32 legacy
[] = { 1000, 2000, 5500, 11000,
1706 6000, 9000, 12000, 18000, 24000,
1711 for (i
= 0; i
< ARRAY_SIZE(legacy
); i
++)
1712 if (rate
== legacy
[i
])
1718 static bool is_rate_ht20(s32 rate
, u8
*mcs
, bool *sgi
)
1720 static const s32 ht20
[] = { 6500, 13000, 19500, 26000, 39000,
1721 52000, 58500, 65000, 72200
1725 for (i
= 0; i
< ARRAY_SIZE(ht20
); i
++) {
1726 if (rate
== ht20
[i
]) {
1727 if (i
== ARRAY_SIZE(ht20
) - 1)
1728 /* last rate uses sgi */
1740 static bool is_rate_ht40(s32 rate
, u8
*mcs
, bool *sgi
)
1742 static const s32 ht40
[] = { 13500, 27000, 40500, 54000,
1743 81000, 108000, 121500, 135000,
1748 for (i
= 0; i
< ARRAY_SIZE(ht40
); i
++) {
1749 if (rate
== ht40
[i
]) {
1750 if (i
== ARRAY_SIZE(ht40
) - 1)
1751 /* last rate uses sgi */
1764 static int ath6kl_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1765 const u8
*mac
, struct station_info
*sinfo
)
1767 struct ath6kl
*ar
= ath6kl_priv(dev
);
1768 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1775 if (memcmp(mac
, vif
->bssid
, ETH_ALEN
) != 0)
1778 if (down_interruptible(&ar
->sem
))
1781 set_bit(STATS_UPDATE_PEND
, &vif
->flags
);
1783 ret
= ath6kl_wmi_get_stats_cmd(ar
->wmi
, vif
->fw_vif_idx
);
1790 left
= wait_event_interruptible_timeout(ar
->event_wq
,
1791 !test_bit(STATS_UPDATE_PEND
,
1802 if (vif
->target_stats
.rx_byte
) {
1803 sinfo
->rx_bytes
= vif
->target_stats
.rx_byte
;
1804 sinfo
->filled
|= BIT(NL80211_STA_INFO_RX_BYTES64
);
1805 sinfo
->rx_packets
= vif
->target_stats
.rx_pkt
;
1806 sinfo
->filled
|= BIT(NL80211_STA_INFO_RX_PACKETS
);
1809 if (vif
->target_stats
.tx_byte
) {
1810 sinfo
->tx_bytes
= vif
->target_stats
.tx_byte
;
1811 sinfo
->filled
|= BIT(NL80211_STA_INFO_TX_BYTES64
);
1812 sinfo
->tx_packets
= vif
->target_stats
.tx_pkt
;
1813 sinfo
->filled
|= BIT(NL80211_STA_INFO_TX_PACKETS
);
1816 sinfo
->signal
= vif
->target_stats
.cs_rssi
;
1817 sinfo
->filled
|= BIT(NL80211_STA_INFO_SIGNAL
);
1819 rate
= vif
->target_stats
.tx_ucast_rate
;
1821 if (is_rate_legacy(rate
)) {
1822 sinfo
->txrate
.legacy
= rate
/ 100;
1823 } else if (is_rate_ht20(rate
, &mcs
, &sgi
)) {
1825 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1826 sinfo
->txrate
.mcs
= mcs
- 1;
1828 sinfo
->txrate
.mcs
= mcs
;
1831 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
1832 sinfo
->txrate
.bw
= RATE_INFO_BW_20
;
1833 } else if (is_rate_ht40(rate
, &mcs
, &sgi
)) {
1835 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1836 sinfo
->txrate
.mcs
= mcs
- 1;
1838 sinfo
->txrate
.mcs
= mcs
;
1841 sinfo
->txrate
.bw
= RATE_INFO_BW_40
;
1842 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
1844 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1845 "invalid rate from stats: %d\n", rate
);
1846 ath6kl_debug_war(ar
, ATH6KL_WAR_INVALID_RATE
);
1850 sinfo
->filled
|= BIT(NL80211_STA_INFO_TX_BITRATE
);
1852 if (test_bit(CONNECTED
, &vif
->flags
) &&
1853 test_bit(DTIM_PERIOD_AVAIL
, &vif
->flags
) &&
1854 vif
->nw_type
== INFRA_NETWORK
) {
1855 sinfo
->filled
|= BIT(NL80211_STA_INFO_BSS_PARAM
);
1856 sinfo
->bss_param
.flags
= 0;
1857 sinfo
->bss_param
.dtim_period
= vif
->assoc_bss_dtim_period
;
1858 sinfo
->bss_param
.beacon_interval
= vif
->assoc_bss_beacon_int
;
1864 static int ath6kl_set_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
1865 struct cfg80211_pmksa
*pmksa
)
1867 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1868 struct ath6kl_vif
*vif
= netdev_priv(netdev
);
1870 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, vif
->fw_vif_idx
, pmksa
->bssid
,
1871 pmksa
->pmkid
, true);
1874 static int ath6kl_del_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
1875 struct cfg80211_pmksa
*pmksa
)
1877 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1878 struct ath6kl_vif
*vif
= netdev_priv(netdev
);
1880 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, vif
->fw_vif_idx
, pmksa
->bssid
,
1881 pmksa
->pmkid
, false);
1884 static int ath6kl_flush_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
)
1886 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1887 struct ath6kl_vif
*vif
= netdev_priv(netdev
);
1889 if (test_bit(CONNECTED
, &vif
->flags
))
1890 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1891 vif
->bssid
, NULL
, false);
1895 static int ath6kl_wow_usr(struct ath6kl
*ar
, struct ath6kl_vif
*vif
,
1896 struct cfg80211_wowlan
*wow
, u32
*filter
)
1899 u8 mask
[WOW_PATTERN_SIZE
];
1902 /* Configure the patterns that we received from the user. */
1903 for (i
= 0; i
< wow
->n_patterns
; i
++) {
1905 * Convert given nl80211 specific mask value to equivalent
1906 * driver specific mask value and send it to the chip along
1907 * with patterns. For example, If the mask value defined in
1908 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1909 * then equivalent driver specific mask value is
1910 * "0xFF 0x00 0xFF 0x00".
1912 memset(&mask
, 0, sizeof(mask
));
1913 for (pos
= 0; pos
< wow
->patterns
[i
].pattern_len
; pos
++) {
1914 if (wow
->patterns
[i
].mask
[pos
/ 8] & (0x1 << (pos
% 8)))
1918 * Note: Pattern's offset is not passed as part of wowlan
1919 * parameter from CFG layer. So it's always passed as ZERO
1920 * to the firmware. It means, given WOW patterns are always
1921 * matched from the first byte of received pkt in the firmware.
1923 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1924 vif
->fw_vif_idx
, WOW_LIST_ID
,
1925 wow
->patterns
[i
].pattern_len
,
1926 0 /* pattern offset */,
1927 wow
->patterns
[i
].pattern
, mask
);
1932 if (wow
->disconnect
)
1933 *filter
|= WOW_FILTER_OPTION_NWK_DISASSOC
;
1936 *filter
|= WOW_FILTER_OPTION_MAGIC_PACKET
;
1938 if (wow
->gtk_rekey_failure
)
1939 *filter
|= WOW_FILTER_OPTION_GTK_ERROR
;
1941 if (wow
->eap_identity_req
)
1942 *filter
|= WOW_FILTER_OPTION_EAP_REQ
;
1944 if (wow
->four_way_handshake
)
1945 *filter
|= WOW_FILTER_OPTION_8021X_4WAYHS
;
1950 static int ath6kl_wow_ap(struct ath6kl
*ar
, struct ath6kl_vif
*vif
)
1952 static const u8 unicst_pattern
[] = { 0x00, 0x00, 0x00,
1953 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1954 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1956 static const u8 unicst_mask
[] = { 0x01, 0x00, 0x00,
1957 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1958 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1960 u8 unicst_offset
= 0;
1961 static const u8 arp_pattern
[] = { 0x08, 0x06 };
1962 static const u8 arp_mask
[] = { 0xff, 0xff };
1964 static const u8 discvr_pattern
[] = { 0xe0, 0x00, 0x00, 0xf8 };
1965 static const u8 discvr_mask
[] = { 0xf0, 0x00, 0x00, 0xf8 };
1966 u8 discvr_offset
= 38;
1967 static const u8 dhcp_pattern
[] = { 0xff, 0xff, 0xff, 0xff,
1968 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1969 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1970 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1971 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1972 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1973 static const u8 dhcp_mask
[] = { 0xff, 0xff, 0xff, 0xff,
1974 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1975 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1976 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1977 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1978 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1982 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1983 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1984 vif
->fw_vif_idx
, WOW_LIST_ID
,
1985 sizeof(unicst_pattern
), unicst_offset
,
1986 unicst_pattern
, unicst_mask
);
1988 ath6kl_err("failed to add WOW unicast IP pattern\n");
1992 /* Setup all ARP pkt pattern */
1993 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1994 vif
->fw_vif_idx
, WOW_LIST_ID
,
1995 sizeof(arp_pattern
), arp_offset
,
1996 arp_pattern
, arp_mask
);
1998 ath6kl_err("failed to add WOW ARP pattern\n");
2003 * Setup multicast pattern for mDNS 224.0.0.251,
2004 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2006 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
2007 vif
->fw_vif_idx
, WOW_LIST_ID
,
2008 sizeof(discvr_pattern
), discvr_offset
,
2009 discvr_pattern
, discvr_mask
);
2011 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2015 /* Setup all DHCP broadcast pkt pattern */
2016 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
2017 vif
->fw_vif_idx
, WOW_LIST_ID
,
2018 sizeof(dhcp_pattern
), dhcp_offset
,
2019 dhcp_pattern
, dhcp_mask
);
2021 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2028 static int ath6kl_wow_sta(struct ath6kl
*ar
, struct ath6kl_vif
*vif
)
2030 struct net_device
*ndev
= vif
->ndev
;
2031 static const u8 discvr_pattern
[] = { 0xe0, 0x00, 0x00, 0xf8 };
2032 static const u8 discvr_mask
[] = { 0xf0, 0x00, 0x00, 0xf8 };
2033 u8 discvr_offset
= 38;
2034 u8 mac_mask
[ETH_ALEN
];
2037 /* Setup unicast pkt pattern */
2038 eth_broadcast_addr(mac_mask
);
2039 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
2040 vif
->fw_vif_idx
, WOW_LIST_ID
,
2041 ETH_ALEN
, 0, ndev
->dev_addr
,
2044 ath6kl_err("failed to add WOW unicast pattern\n");
2049 * Setup multicast pattern for mDNS 224.0.0.251,
2050 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2052 if ((ndev
->flags
& IFF_ALLMULTI
) ||
2053 (ndev
->flags
& IFF_MULTICAST
&& netdev_mc_count(ndev
) > 0)) {
2054 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
2055 vif
->fw_vif_idx
, WOW_LIST_ID
,
2056 sizeof(discvr_pattern
), discvr_offset
,
2057 discvr_pattern
, discvr_mask
);
2059 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2067 static int is_hsleep_mode_procsed(struct ath6kl_vif
*vif
)
2069 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED
, &vif
->flags
);
2072 static bool is_ctrl_ep_empty(struct ath6kl
*ar
)
2074 return !ar
->tx_pending
[ar
->ctrl_ep
];
2077 static int ath6kl_cfg80211_host_sleep(struct ath6kl
*ar
, struct ath6kl_vif
*vif
)
2081 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED
, &vif
->flags
);
2083 ret
= ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2084 ATH6KL_HOST_MODE_ASLEEP
);
2088 left
= wait_event_interruptible_timeout(ar
->event_wq
,
2089 is_hsleep_mode_procsed(vif
),
2092 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2094 } else if (left
< 0) {
2095 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2100 if (ar
->tx_pending
[ar
->ctrl_ep
]) {
2101 left
= wait_event_interruptible_timeout(ar
->event_wq
,
2102 is_ctrl_ep_empty(ar
),
2105 ath6kl_warn("clear wmi ctrl data timeout\n");
2107 } else if (left
< 0) {
2108 ath6kl_warn("clear wmi ctrl data failed: %d\n", left
);
2116 static int ath6kl_wow_suspend_vif(struct ath6kl_vif
*vif
,
2117 struct cfg80211_wowlan
*wow
, u32
*filter
)
2119 struct ath6kl
*ar
= vif
->ar
;
2120 struct in_device
*in_dev
;
2121 struct in_ifaddr
*ifa
;
2124 __be32 ips
[MAX_IP_ADDRS
];
2127 if (!test_bit(NETDEV_MCAST_ALL_ON
, &vif
->flags
) &&
2128 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER
,
2129 ar
->fw_capabilities
)) {
2130 ret
= ath6kl_wmi_mcast_filter_cmd(vif
->ar
->wmi
,
2131 vif
->fw_vif_idx
, false);
2136 /* Clear existing WOW patterns */
2137 for (i
= 0; i
< WOW_MAX_FILTERS_PER_LIST
; i
++)
2138 ath6kl_wmi_del_wow_pattern_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2142 * Skip the default WOW pattern configuration
2143 * if the driver receives any WOW patterns from
2147 ret
= ath6kl_wow_usr(ar
, vif
, wow
, filter
);
2148 else if (vif
->nw_type
== AP_NETWORK
)
2149 ret
= ath6kl_wow_ap(ar
, vif
);
2151 ret
= ath6kl_wow_sta(ar
, vif
);
2156 netif_stop_queue(vif
->ndev
);
2158 if (vif
->nw_type
!= AP_NETWORK
) {
2159 ret
= ath6kl_wmi_listeninterval_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2160 ATH6KL_MAX_WOW_LISTEN_INTL
,
2165 /* Set listen interval x 15 times as bmiss time */
2166 bmiss_time
= ATH6KL_MAX_WOW_LISTEN_INTL
* 15;
2167 if (bmiss_time
> ATH6KL_MAX_BMISS_TIME
)
2168 bmiss_time
= ATH6KL_MAX_BMISS_TIME
;
2170 ret
= ath6kl_wmi_bmisstime_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2175 ret
= ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2176 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2182 /* Setup own IP addr for ARP agent. */
2183 in_dev
= __in_dev_get_rtnl(vif
->ndev
);
2187 ifa
= in_dev
->ifa_list
;
2188 memset(&ips
, 0, sizeof(ips
));
2190 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2191 while (index
< MAX_IP_ADDRS
&& ifa
) {
2192 ips
[index
] = ifa
->ifa_local
;
2193 ifa
= ifa
->ifa_next
;
2198 ath6kl_err("total IP addr count is exceeding fw limit\n");
2202 ret
= ath6kl_wmi_set_ip_cmd(ar
->wmi
, vif
->fw_vif_idx
, ips
[0], ips
[1]);
2204 ath6kl_err("fail to setup ip for arp agent\n");
2211 static int ath6kl_wow_suspend(struct ath6kl
*ar
, struct cfg80211_wowlan
*wow
)
2213 struct ath6kl_vif
*first_vif
, *vif
;
2216 bool connected
= false;
2218 /* enter / leave wow suspend on first vif always */
2219 first_vif
= ath6kl_vif_first(ar
);
2220 if (WARN_ON(unlikely(!first_vif
)) ||
2221 !ath6kl_cfg80211_ready(first_vif
))
2224 if (wow
&& (wow
->n_patterns
> WOW_MAX_FILTERS_PER_LIST
))
2227 /* install filters for each connected vif */
2228 spin_lock_bh(&ar
->list_lock
);
2229 list_for_each_entry(vif
, &ar
->vif_list
, list
) {
2230 if (!test_bit(CONNECTED
, &vif
->flags
) ||
2231 !ath6kl_cfg80211_ready(vif
))
2235 ret
= ath6kl_wow_suspend_vif(vif
, wow
, &filter
);
2239 spin_unlock_bh(&ar
->list_lock
);
2246 ar
->state
= ATH6KL_STATE_SUSPENDING
;
2248 ret
= ath6kl_wmi_set_wow_mode_cmd(ar
->wmi
, first_vif
->fw_vif_idx
,
2249 ATH6KL_WOW_MODE_ENABLE
,
2251 WOW_HOST_REQ_DELAY
);
2255 return ath6kl_cfg80211_host_sleep(ar
, first_vif
);
2258 static int ath6kl_wow_resume_vif(struct ath6kl_vif
*vif
)
2260 struct ath6kl
*ar
= vif
->ar
;
2263 if (vif
->nw_type
!= AP_NETWORK
) {
2264 ret
= ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2265 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2269 ret
= ath6kl_wmi_listeninterval_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2270 vif
->listen_intvl_t
, 0);
2274 ret
= ath6kl_wmi_bmisstime_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2275 vif
->bmiss_time_t
, 0);
2280 if (!test_bit(NETDEV_MCAST_ALL_OFF
, &vif
->flags
) &&
2281 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER
,
2282 ar
->fw_capabilities
)) {
2283 ret
= ath6kl_wmi_mcast_filter_cmd(vif
->ar
->wmi
,
2284 vif
->fw_vif_idx
, true);
2289 netif_wake_queue(vif
->ndev
);
2294 static int ath6kl_wow_resume(struct ath6kl
*ar
)
2296 struct ath6kl_vif
*vif
;
2299 vif
= ath6kl_vif_first(ar
);
2300 if (WARN_ON(unlikely(!vif
)) ||
2301 !ath6kl_cfg80211_ready(vif
))
2304 ar
->state
= ATH6KL_STATE_RESUMING
;
2306 ret
= ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2307 ATH6KL_HOST_MODE_AWAKE
);
2309 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2314 spin_lock_bh(&ar
->list_lock
);
2315 list_for_each_entry(vif
, &ar
->vif_list
, list
) {
2316 if (!test_bit(CONNECTED
, &vif
->flags
) ||
2317 !ath6kl_cfg80211_ready(vif
))
2319 ret
= ath6kl_wow_resume_vif(vif
);
2323 spin_unlock_bh(&ar
->list_lock
);
2328 ar
->state
= ATH6KL_STATE_ON
;
2332 ar
->state
= ATH6KL_STATE_WOW
;
2336 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl
*ar
)
2338 struct ath6kl_vif
*vif
;
2341 vif
= ath6kl_vif_first(ar
);
2345 if (!test_bit(WMI_READY
, &ar
->flag
)) {
2346 ath6kl_err("deepsleep failed as wmi is not ready\n");
2350 ath6kl_cfg80211_stop_all(ar
);
2352 /* Save the current power mode before enabling power save */
2353 ar
->wmi
->saved_pwr_mode
= ar
->wmi
->pwr_mode
;
2355 ret
= ath6kl_wmi_powermode_cmd(ar
->wmi
, 0, REC_POWER
);
2359 /* Disable WOW mode */
2360 ret
= ath6kl_wmi_set_wow_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2361 ATH6KL_WOW_MODE_DISABLE
,
2366 /* Flush all non control pkts in TX path */
2367 ath6kl_tx_data_cleanup(ar
);
2369 ret
= ath6kl_cfg80211_host_sleep(ar
, vif
);
2376 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl
*ar
)
2378 struct ath6kl_vif
*vif
;
2381 vif
= ath6kl_vif_first(ar
);
2386 if (ar
->wmi
->pwr_mode
!= ar
->wmi
->saved_pwr_mode
) {
2387 ret
= ath6kl_wmi_powermode_cmd(ar
->wmi
, 0,
2388 ar
->wmi
->saved_pwr_mode
);
2393 ret
= ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2394 ATH6KL_HOST_MODE_AWAKE
);
2398 ar
->state
= ATH6KL_STATE_ON
;
2400 /* Reset scan parameter to default values */
2401 ret
= ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2402 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2409 int ath6kl_cfg80211_suspend(struct ath6kl
*ar
,
2410 enum ath6kl_cfg_suspend_mode mode
,
2411 struct cfg80211_wowlan
*wow
)
2413 struct ath6kl_vif
*vif
;
2414 enum ath6kl_state prev_state
;
2418 case ATH6KL_CFG_SUSPEND_WOW
:
2420 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "wow mode suspend\n");
2422 /* Flush all non control pkts in TX path */
2423 ath6kl_tx_data_cleanup(ar
);
2425 prev_state
= ar
->state
;
2427 ret
= ath6kl_wow_suspend(ar
, wow
);
2429 ar
->state
= prev_state
;
2433 ar
->state
= ATH6KL_STATE_WOW
;
2436 case ATH6KL_CFG_SUSPEND_DEEPSLEEP
:
2438 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "deep sleep suspend\n");
2440 ret
= ath6kl_cfg80211_deepsleep_suspend(ar
);
2442 ath6kl_err("deepsleep suspend failed: %d\n", ret
);
2446 ar
->state
= ATH6KL_STATE_DEEPSLEEP
;
2450 case ATH6KL_CFG_SUSPEND_CUTPOWER
:
2452 ath6kl_cfg80211_stop_all(ar
);
2454 if (ar
->state
== ATH6KL_STATE_OFF
) {
2455 ath6kl_dbg(ATH6KL_DBG_SUSPEND
,
2456 "suspend hw off, no action for cutpower\n");
2460 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "suspend cutting power\n");
2462 ret
= ath6kl_init_hw_stop(ar
);
2464 ath6kl_warn("failed to stop hw during suspend: %d\n",
2468 ar
->state
= ATH6KL_STATE_CUTPOWER
;
2476 list_for_each_entry(vif
, &ar
->vif_list
, list
)
2477 ath6kl_cfg80211_scan_complete_event(vif
, true);
2481 EXPORT_SYMBOL(ath6kl_cfg80211_suspend
);
2483 int ath6kl_cfg80211_resume(struct ath6kl
*ar
)
2487 switch (ar
->state
) {
2488 case ATH6KL_STATE_WOW
:
2489 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "wow mode resume\n");
2491 ret
= ath6kl_wow_resume(ar
);
2493 ath6kl_warn("wow mode resume failed: %d\n", ret
);
2499 case ATH6KL_STATE_DEEPSLEEP
:
2500 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "deep sleep resume\n");
2502 ret
= ath6kl_cfg80211_deepsleep_resume(ar
);
2504 ath6kl_warn("deep sleep resume failed: %d\n", ret
);
2509 case ATH6KL_STATE_CUTPOWER
:
2510 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "resume restoring power\n");
2512 ret
= ath6kl_init_hw_start(ar
);
2514 ath6kl_warn("Failed to boot hw in resume: %d\n", ret
);
2525 EXPORT_SYMBOL(ath6kl_cfg80211_resume
);
2529 /* hif layer decides what suspend mode to use */
2530 static int __ath6kl_cfg80211_suspend(struct wiphy
*wiphy
,
2531 struct cfg80211_wowlan
*wow
)
2533 struct ath6kl
*ar
= wiphy_priv(wiphy
);
2535 ath6kl_recovery_suspend(ar
);
2537 return ath6kl_hif_suspend(ar
, wow
);
2540 static int __ath6kl_cfg80211_resume(struct wiphy
*wiphy
)
2542 struct ath6kl
*ar
= wiphy_priv(wiphy
);
2545 err
= ath6kl_hif_resume(ar
);
2549 ath6kl_recovery_resume(ar
);
2555 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2556 * both sdio irq wake up and keep power. The target pulls sdio data line to
2557 * wake up the host when WOW pattern matches. This causes sdio irq handler
2558 * is being called in the host side which internally hits ath6kl's RX path.
2560 * Since sdio interrupt is not disabled, RX path executes even before
2561 * the host executes the actual resume operation from PM module.
2563 * In the current scenario, WOW resume should happen before start processing
2564 * any data from the target. So It's required to perform WOW resume in RX path.
2565 * Ideally we should perform WOW resume only in the actual platform
2566 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2568 * ath6kl_check_wow_status() is called from ath6kl_rx().
2570 void ath6kl_check_wow_status(struct ath6kl
*ar
)
2572 if (ar
->state
== ATH6KL_STATE_SUSPENDING
)
2575 if (ar
->state
== ATH6KL_STATE_WOW
)
2576 ath6kl_cfg80211_resume(ar
);
2581 void ath6kl_check_wow_status(struct ath6kl
*ar
)
2586 static int ath6kl_set_htcap(struct ath6kl_vif
*vif
, enum ieee80211_band band
,
2589 struct ath6kl_htcap
*htcap
= &vif
->htcap
[band
];
2591 if (htcap
->ht_enable
== ht_enable
)
2595 /* Set default ht capabilities */
2596 htcap
->ht_enable
= true;
2597 htcap
->cap_info
= (band
== IEEE80211_BAND_2GHZ
) ?
2598 ath6kl_g_htcap
: ath6kl_a_htcap
;
2599 htcap
->ampdu_factor
= IEEE80211_HT_MAX_AMPDU_16K
;
2600 } else /* Disable ht */
2601 memset(htcap
, 0, sizeof(*htcap
));
2603 return ath6kl_wmi_set_htcap_cmd(vif
->ar
->wmi
, vif
->fw_vif_idx
,
2607 static int ath6kl_restore_htcap(struct ath6kl_vif
*vif
)
2609 struct wiphy
*wiphy
= vif
->ar
->wiphy
;
2612 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
2613 if (!wiphy
->bands
[band
])
2616 ret
= ath6kl_set_htcap(vif
, band
,
2617 wiphy
->bands
[band
]->ht_cap
.ht_supported
);
2625 static bool ath6kl_is_p2p_ie(const u8
*pos
)
2627 return pos
[0] == WLAN_EID_VENDOR_SPECIFIC
&& pos
[1] >= 4 &&
2628 pos
[2] == 0x50 && pos
[3] == 0x6f &&
2629 pos
[4] == 0x9a && pos
[5] == 0x09;
2632 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif
*vif
,
2633 const u8
*ies
, size_t ies_len
)
2635 struct ath6kl
*ar
= vif
->ar
;
2642 * Filter out P2P IE(s) since they will be included depending on
2643 * the Probe Request frame in ath6kl_send_go_probe_resp().
2646 if (ies
&& ies_len
) {
2647 buf
= kmalloc(ies_len
, GFP_KERNEL
);
2651 while (pos
+ 1 < ies
+ ies_len
) {
2652 if (pos
+ 2 + pos
[1] > ies
+ ies_len
)
2654 if (!ath6kl_is_p2p_ie(pos
)) {
2655 memcpy(buf
+ len
, pos
, 2 + pos
[1]);
2662 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2663 WMI_FRAME_PROBE_RESP
, buf
, len
);
2668 static int ath6kl_set_ies(struct ath6kl_vif
*vif
,
2669 struct cfg80211_beacon_data
*info
)
2671 struct ath6kl
*ar
= vif
->ar
;
2674 /* this also clears IE in fw if it's not set */
2675 res
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2678 info
->beacon_ies_len
);
2682 /* this also clears IE in fw if it's not set */
2683 res
= ath6kl_set_ap_probe_resp_ies(vif
, info
->proberesp_ies
,
2684 info
->proberesp_ies_len
);
2688 /* this also clears IE in fw if it's not set */
2689 res
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2690 WMI_FRAME_ASSOC_RESP
,
2691 info
->assocresp_ies
,
2692 info
->assocresp_ies_len
);
2699 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data
*beacon
,
2709 rsn_ie
= cfg80211_find_ie(WLAN_EID_RSN
, beacon
->tail
, beacon
->tail_len
);
2713 rsn_ie_len
= *(rsn_ie
+ 1);
2714 /* skip element id and length */
2723 /* skip group cipher suite */
2729 /* skip pairwise cipher suite */
2732 cnt
= get_unaligned_le16(rsn_ie
);
2733 rsn_ie
+= (2 + cnt
* 4);
2734 rsn_ie_len
-= (2 + cnt
* 4);
2736 /* skip akm suite */
2739 cnt
= get_unaligned_le16(rsn_ie
);
2740 rsn_ie
+= (2 + cnt
* 4);
2741 rsn_ie_len
-= (2 + cnt
* 4);
2746 memcpy(rsn_capab
, rsn_ie
, 2);
2751 static int ath6kl_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
2752 struct cfg80211_ap_settings
*info
)
2754 struct ath6kl
*ar
= ath6kl_priv(dev
);
2755 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2756 struct ieee80211_mgmt
*mgmt
;
2757 bool hidden
= false;
2760 struct wmi_connect_cmd p
;
2764 int inactivity_timeout
= 0;
2766 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s:\n", __func__
);
2768 if (!ath6kl_cfg80211_ready(vif
))
2771 if (vif
->next_mode
!= AP_NETWORK
)
2774 res
= ath6kl_set_ies(vif
, &info
->beacon
);
2776 ar
->ap_mode_bkey
.valid
= false;
2778 ret
= ath6kl_wmi_ap_set_beacon_intvl_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2779 info
->beacon_interval
);
2782 ath6kl_warn("Failed to set beacon interval: %d\n", ret
);
2784 ret
= ath6kl_wmi_ap_set_dtim_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2787 /* ignore error, just print a warning and continue normally */
2789 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret
);
2791 if (info
->beacon
.head
== NULL
)
2793 mgmt
= (struct ieee80211_mgmt
*) info
->beacon
.head
;
2794 ies
= mgmt
->u
.beacon
.variable
;
2795 if (ies
> info
->beacon
.head
+ info
->beacon
.head_len
)
2797 ies_len
= info
->beacon
.head
+ info
->beacon
.head_len
- ies
;
2799 if (info
->ssid
== NULL
)
2801 memcpy(vif
->ssid
, info
->ssid
, info
->ssid_len
);
2802 vif
->ssid_len
= info
->ssid_len
;
2803 if (info
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
)
2806 res
= ath6kl_wmi_ap_hidden_ssid(ar
->wmi
, vif
->fw_vif_idx
, hidden
);
2810 ret
= ath6kl_set_auth_type(vif
, info
->auth_type
);
2814 memset(&p
, 0, sizeof(p
));
2816 for (i
= 0; i
< info
->crypto
.n_akm_suites
; i
++) {
2817 switch (info
->crypto
.akm_suites
[i
]) {
2818 case WLAN_AKM_SUITE_8021X
:
2819 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_1
)
2820 p
.auth_mode
|= WPA_AUTH
;
2821 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_2
)
2822 p
.auth_mode
|= WPA2_AUTH
;
2824 case WLAN_AKM_SUITE_PSK
:
2825 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_1
)
2826 p
.auth_mode
|= WPA_PSK_AUTH
;
2827 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_2
)
2828 p
.auth_mode
|= WPA2_PSK_AUTH
;
2832 if (p
.auth_mode
== 0)
2833 p
.auth_mode
= NONE_AUTH
;
2834 vif
->auth_mode
= p
.auth_mode
;
2836 for (i
= 0; i
< info
->crypto
.n_ciphers_pairwise
; i
++) {
2837 switch (info
->crypto
.ciphers_pairwise
[i
]) {
2838 case WLAN_CIPHER_SUITE_WEP40
:
2839 case WLAN_CIPHER_SUITE_WEP104
:
2840 p
.prwise_crypto_type
|= WEP_CRYPT
;
2842 case WLAN_CIPHER_SUITE_TKIP
:
2843 p
.prwise_crypto_type
|= TKIP_CRYPT
;
2845 case WLAN_CIPHER_SUITE_CCMP
:
2846 p
.prwise_crypto_type
|= AES_CRYPT
;
2848 case WLAN_CIPHER_SUITE_SMS4
:
2849 p
.prwise_crypto_type
|= WAPI_CRYPT
;
2853 if (p
.prwise_crypto_type
== 0) {
2854 p
.prwise_crypto_type
= NONE_CRYPT
;
2855 ath6kl_set_cipher(vif
, 0, true);
2856 } else if (info
->crypto
.n_ciphers_pairwise
== 1) {
2857 ath6kl_set_cipher(vif
, info
->crypto
.ciphers_pairwise
[0], true);
2860 switch (info
->crypto
.cipher_group
) {
2861 case WLAN_CIPHER_SUITE_WEP40
:
2862 case WLAN_CIPHER_SUITE_WEP104
:
2863 p
.grp_crypto_type
= WEP_CRYPT
;
2865 case WLAN_CIPHER_SUITE_TKIP
:
2866 p
.grp_crypto_type
= TKIP_CRYPT
;
2868 case WLAN_CIPHER_SUITE_CCMP
:
2869 p
.grp_crypto_type
= AES_CRYPT
;
2871 case WLAN_CIPHER_SUITE_SMS4
:
2872 p
.grp_crypto_type
= WAPI_CRYPT
;
2875 p
.grp_crypto_type
= NONE_CRYPT
;
2878 ath6kl_set_cipher(vif
, info
->crypto
.cipher_group
, false);
2880 p
.nw_type
= AP_NETWORK
;
2881 vif
->nw_type
= vif
->next_mode
;
2883 p
.ssid_len
= vif
->ssid_len
;
2884 memcpy(p
.ssid
, vif
->ssid
, vif
->ssid_len
);
2885 p
.dot11_auth_mode
= vif
->dot11_auth_mode
;
2886 p
.ch
= cpu_to_le16(info
->chandef
.chan
->center_freq
);
2888 /* Enable uAPSD support by default */
2889 res
= ath6kl_wmi_ap_set_apsd(ar
->wmi
, vif
->fw_vif_idx
, true);
2893 if (vif
->wdev
.iftype
== NL80211_IFTYPE_P2P_GO
) {
2894 p
.nw_subtype
= SUBTYPE_P2PGO
;
2897 * Due to firmware limitation, it is not possible to
2898 * do P2P mgmt operations in AP mode
2900 p
.nw_subtype
= SUBTYPE_NONE
;
2903 if (info
->inactivity_timeout
) {
2904 inactivity_timeout
= info
->inactivity_timeout
;
2906 if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS
,
2907 ar
->fw_capabilities
))
2908 inactivity_timeout
= DIV_ROUND_UP(inactivity_timeout
,
2911 res
= ath6kl_wmi_set_inact_period(ar
->wmi
, vif
->fw_vif_idx
,
2912 inactivity_timeout
);
2917 if (ath6kl_set_htcap(vif
, info
->chandef
.chan
->band
,
2918 cfg80211_get_chandef_type(&info
->chandef
)
2919 != NL80211_CHAN_NO_HT
))
2923 * Get the PTKSA replay counter in the RSN IE. Supplicant
2924 * will use the RSN IE in M3 message and firmware has to
2925 * advertise the same in beacon/probe response. Send
2926 * the complete RSN IE capability field to firmware
2928 if (!ath6kl_get_rsn_capab(&info
->beacon
, (u8
*) &rsn_capab
) &&
2929 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE
,
2930 ar
->fw_capabilities
)) {
2931 res
= ath6kl_wmi_set_ie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2932 WLAN_EID_RSN
, WMI_RSN_IE_CAPB
,
2933 (const u8
*) &rsn_capab
,
2935 vif
->rsn_capab
= rsn_capab
;
2940 memcpy(&vif
->profile
, &p
, sizeof(p
));
2941 res
= ath6kl_wmi_ap_profile_commit(ar
->wmi
, vif
->fw_vif_idx
, &p
);
2948 static int ath6kl_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
2949 struct cfg80211_beacon_data
*beacon
)
2951 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2953 if (!ath6kl_cfg80211_ready(vif
))
2956 if (vif
->next_mode
!= AP_NETWORK
)
2959 return ath6kl_set_ies(vif
, beacon
);
2962 static int ath6kl_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
2964 struct ath6kl
*ar
= ath6kl_priv(dev
);
2965 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2967 if (vif
->nw_type
!= AP_NETWORK
)
2969 if (!test_bit(CONNECTED
, &vif
->flags
))
2972 ath6kl_wmi_disconnect_cmd(ar
->wmi
, vif
->fw_vif_idx
);
2973 clear_bit(CONNECTED
, &vif
->flags
);
2975 /* Restore ht setting in firmware */
2976 return ath6kl_restore_htcap(vif
);
2979 static const u8 bcast_addr
[ETH_ALEN
] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2981 static int ath6kl_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2982 struct station_del_parameters
*params
)
2984 struct ath6kl
*ar
= ath6kl_priv(dev
);
2985 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2986 const u8
*addr
= params
->mac
? params
->mac
: bcast_addr
;
2988 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, vif
->fw_vif_idx
, WMI_AP_DEAUTH
,
2989 addr
, WLAN_REASON_PREV_AUTH_NOT_VALID
);
2992 static int ath6kl_change_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2994 struct station_parameters
*params
)
2996 struct ath6kl
*ar
= ath6kl_priv(dev
);
2997 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3000 if (vif
->nw_type
!= AP_NETWORK
)
3003 err
= cfg80211_check_station_change(wiphy
, params
,
3004 CFG80211_STA_AP_MLME_CLIENT
);
3008 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
3009 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, vif
->fw_vif_idx
,
3010 WMI_AP_MLME_AUTHORIZE
, mac
, 0);
3011 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, vif
->fw_vif_idx
,
3012 WMI_AP_MLME_UNAUTHORIZE
, mac
, 0);
3015 static int ath6kl_remain_on_channel(struct wiphy
*wiphy
,
3016 struct wireless_dev
*wdev
,
3017 struct ieee80211_channel
*chan
,
3018 unsigned int duration
,
3021 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(wdev
);
3022 struct ath6kl
*ar
= ath6kl_priv(vif
->ndev
);
3025 /* TODO: if already pending or ongoing remain-on-channel,
3027 id
= ++vif
->last_roc_id
;
3029 /* Do not use 0 as the cookie value */
3030 id
= ++vif
->last_roc_id
;
3034 return ath6kl_wmi_remain_on_chnl_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3035 chan
->center_freq
, duration
);
3038 static int ath6kl_cancel_remain_on_channel(struct wiphy
*wiphy
,
3039 struct wireless_dev
*wdev
,
3042 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(wdev
);
3043 struct ath6kl
*ar
= ath6kl_priv(vif
->ndev
);
3045 if (cookie
!= vif
->last_roc_id
)
3047 vif
->last_cancel_roc_id
= cookie
;
3049 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar
->wmi
, vif
->fw_vif_idx
);
3052 static int ath6kl_send_go_probe_resp(struct ath6kl_vif
*vif
,
3053 const u8
*buf
, size_t len
,
3056 struct ath6kl
*ar
= vif
->ar
;
3061 const struct ieee80211_mgmt
*mgmt
;
3063 mgmt
= (const struct ieee80211_mgmt
*) buf
;
3065 /* Include P2P IE(s) from the frame generated in user space. */
3067 p2p
= kmalloc(len
, GFP_KERNEL
);
3072 pos
= mgmt
->u
.probe_resp
.variable
;
3073 while (pos
+ 1 < buf
+ len
) {
3074 if (pos
+ 2 + pos
[1] > buf
+ len
)
3076 if (ath6kl_is_p2p_ie(pos
)) {
3077 memcpy(p2p
+ p2p_len
, pos
, 2 + pos
[1]);
3078 p2p_len
+= 2 + pos
[1];
3083 ret
= ath6kl_wmi_send_probe_response_cmd(ar
->wmi
, vif
->fw_vif_idx
, freq
,
3084 mgmt
->da
, p2p
, p2p_len
);
3089 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif
*vif
,
3098 struct ieee80211_mgmt
*mgmt
;
3099 struct ath6kl_sta
*conn
;
3100 bool is_psq_empty
= false;
3101 struct ath6kl_mgmt_buff
*mgmt_buf
;
3102 size_t mgmt_buf_size
;
3103 struct ath6kl
*ar
= vif
->ar
;
3105 mgmt
= (struct ieee80211_mgmt
*) buf
;
3106 if (is_multicast_ether_addr(mgmt
->da
))
3109 conn
= ath6kl_find_sta(vif
, mgmt
->da
);
3113 if (conn
->sta_flags
& STA_PS_SLEEP
) {
3114 if (!(conn
->sta_flags
& STA_PS_POLLED
)) {
3115 /* Queue the frames if the STA is sleeping */
3116 mgmt_buf_size
= len
+ sizeof(struct ath6kl_mgmt_buff
);
3117 mgmt_buf
= kmalloc(mgmt_buf_size
, GFP_KERNEL
);
3121 INIT_LIST_HEAD(&mgmt_buf
->list
);
3123 mgmt_buf
->freq
= freq
;
3124 mgmt_buf
->wait
= wait
;
3125 mgmt_buf
->len
= len
;
3126 mgmt_buf
->no_cck
= no_cck
;
3127 memcpy(mgmt_buf
->buf
, buf
, len
);
3128 spin_lock_bh(&conn
->psq_lock
);
3129 is_psq_empty
= skb_queue_empty(&conn
->psq
) &&
3130 (conn
->mgmt_psq_len
== 0);
3131 list_add_tail(&mgmt_buf
->list
, &conn
->mgmt_psq
);
3132 conn
->mgmt_psq_len
++;
3133 spin_unlock_bh(&conn
->psq_lock
);
3136 * If this is the first pkt getting queued
3137 * for this STA, update the PVB for this
3141 ath6kl_wmi_set_pvb_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3147 * This tx is because of a PsPoll.
3148 * Determine if MoreData bit has to be set.
3150 spin_lock_bh(&conn
->psq_lock
);
3151 if (!skb_queue_empty(&conn
->psq
) || (conn
->mgmt_psq_len
!= 0))
3153 spin_unlock_bh(&conn
->psq_lock
);
3159 /* Check if SSID length is greater than DIRECT- */
3160 static bool ath6kl_is_p2p_go_ssid(const u8
*buf
, size_t len
)
3162 const struct ieee80211_mgmt
*mgmt
;
3163 mgmt
= (const struct ieee80211_mgmt
*) buf
;
3165 /* variable[1] contains the SSID tag length */
3166 if (buf
+ len
>= &mgmt
->u
.probe_resp
.variable
[1] &&
3167 (mgmt
->u
.probe_resp
.variable
[1] > P2P_WILDCARD_SSID_LEN
)) {
3174 static int ath6kl_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
3175 struct cfg80211_mgmt_tx_params
*params
, u64
*cookie
)
3177 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(wdev
);
3178 struct ath6kl
*ar
= ath6kl_priv(vif
->ndev
);
3179 struct ieee80211_channel
*chan
= params
->chan
;
3180 const u8
*buf
= params
->buf
;
3181 size_t len
= params
->len
;
3182 unsigned int wait
= params
->wait
;
3183 bool no_cck
= params
->no_cck
;
3185 const struct ieee80211_mgmt
*mgmt
;
3186 bool more_data
, queued
;
3188 /* default to the current channel, but use the one specified as argument
3191 freq
= vif
->ch_hint
;
3193 freq
= chan
->center_freq
;
3195 /* never send freq zero to the firmware */
3196 if (WARN_ON(freq
== 0))
3199 mgmt
= (const struct ieee80211_mgmt
*) buf
;
3200 if (vif
->nw_type
== AP_NETWORK
&& test_bit(CONNECTED
, &vif
->flags
) &&
3201 ieee80211_is_probe_resp(mgmt
->frame_control
) &&
3202 ath6kl_is_p2p_go_ssid(buf
, len
)) {
3204 * Send Probe Response frame in GO mode using a separate WMI
3205 * command to allow the target to fill in the generic IEs.
3207 *cookie
= 0; /* TX status not supported */
3208 return ath6kl_send_go_probe_resp(vif
, buf
, len
, freq
);
3211 id
= vif
->send_action_id
++;
3214 * 0 is a reserved value in the WMI command and shall not be
3215 * used for the command.
3217 id
= vif
->send_action_id
++;
3222 /* AP mode Power saving processing */
3223 if (vif
->nw_type
== AP_NETWORK
) {
3224 queued
= ath6kl_mgmt_powersave_ap(vif
, id
, freq
, wait
, buf
, len
,
3225 &more_data
, no_cck
);
3230 return ath6kl_wmi_send_mgmt_cmd(ar
->wmi
, vif
->fw_vif_idx
, id
, freq
,
3231 wait
, buf
, len
, no_cck
);
3234 static void ath6kl_mgmt_frame_register(struct wiphy
*wiphy
,
3235 struct wireless_dev
*wdev
,
3236 u16 frame_type
, bool reg
)
3238 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(wdev
);
3240 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: frame_type=0x%x reg=%d\n",
3241 __func__
, frame_type
, reg
);
3242 if (frame_type
== IEEE80211_STYPE_PROBE_REQ
) {
3244 * Note: This notification callback is not allowed to sleep, so
3245 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3246 * hardcode target to report Probe Request frames all the time.
3248 vif
->probe_req_report
= reg
;
3252 static int ath6kl_cfg80211_sscan_start(struct wiphy
*wiphy
,
3253 struct net_device
*dev
,
3254 struct cfg80211_sched_scan_request
*request
)
3256 struct ath6kl
*ar
= ath6kl_priv(dev
);
3257 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3259 int ret
, rssi_thold
;
3260 int n_match_sets
= request
->n_match_sets
;
3263 * If there's a matchset w/o an SSID, then assume it's just for
3264 * the RSSI (nothing else is currently supported) and ignore it.
3265 * The device only supports a global RSSI filter that we set below.
3267 if (n_match_sets
== 1 && !request
->match_sets
[0].ssid
.ssid_len
)
3270 if (ar
->state
!= ATH6KL_STATE_ON
)
3273 if (vif
->sme_state
!= SME_DISCONNECTED
)
3276 ath6kl_cfg80211_scan_complete_event(vif
, true);
3278 ret
= ath6kl_set_probed_ssids(ar
, vif
, request
->ssids
,
3280 request
->match_sets
,
3285 if (!n_match_sets
) {
3286 ret
= ath6kl_wmi_bssfilter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3291 ret
= ath6kl_wmi_bssfilter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3292 MATCHED_SSID_FILTER
, 0);
3297 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD
,
3298 ar
->fw_capabilities
)) {
3299 if (request
->min_rssi_thold
<= NL80211_SCAN_RSSI_THOLD_OFF
)
3301 else if (request
->min_rssi_thold
< -127)
3304 rssi_thold
= request
->min_rssi_thold
;
3306 ret
= ath6kl_wmi_set_rssi_filter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3309 ath6kl_err("failed to set RSSI threshold for scan\n");
3314 /* fw uses seconds, also make sure that it's >0 */
3315 interval
= max_t(u16
, 1, request
->interval
/ 1000);
3317 ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3319 vif
->bg_scan_period
, 0, 0, 0, 3, 0, 0, 0);
3321 /* this also clears IE in fw if it's not set */
3322 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3323 WMI_FRAME_PROBE_REQ
,
3324 request
->ie
, request
->ie_len
);
3326 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3331 ret
= ath6kl_wmi_enable_sched_scan_cmd(ar
->wmi
, vif
->fw_vif_idx
, true);
3335 set_bit(SCHED_SCANNING
, &vif
->flags
);
3340 static int ath6kl_cfg80211_sscan_stop(struct wiphy
*wiphy
,
3341 struct net_device
*dev
)
3343 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3346 stopped
= __ath6kl_cfg80211_sscan_stop(vif
);
3354 static int ath6kl_cfg80211_set_bitrate(struct wiphy
*wiphy
,
3355 struct net_device
*dev
,
3357 const struct cfg80211_bitrate_mask
*mask
)
3359 struct ath6kl
*ar
= ath6kl_priv(dev
);
3360 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3362 return ath6kl_wmi_set_bitrate_mask(ar
->wmi
, vif
->fw_vif_idx
,
3366 static int ath6kl_cfg80211_set_txe_config(struct wiphy
*wiphy
,
3367 struct net_device
*dev
,
3368 u32 rate
, u32 pkts
, u32 intvl
)
3370 struct ath6kl
*ar
= ath6kl_priv(dev
);
3371 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3373 if (vif
->nw_type
!= INFRA_NETWORK
||
3374 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY
, ar
->fw_capabilities
))
3377 if (vif
->sme_state
!= SME_CONNECTED
)
3380 /* save this since the firmware won't report the interval */
3381 vif
->txe_intvl
= intvl
;
3383 return ath6kl_wmi_set_txe_notify(ar
->wmi
, vif
->fw_vif_idx
,
3387 static const struct ieee80211_txrx_stypes
3388 ath6kl_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
3389 [NL80211_IFTYPE_STATION
] = {
3390 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3391 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
3392 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3393 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
3395 [NL80211_IFTYPE_AP
] = {
3396 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3397 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
3398 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3399 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
3401 [NL80211_IFTYPE_P2P_CLIENT
] = {
3402 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3403 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
3404 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3405 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
3407 [NL80211_IFTYPE_P2P_GO
] = {
3408 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3409 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
3410 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3411 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
3415 static struct cfg80211_ops ath6kl_cfg80211_ops
= {
3416 .add_virtual_intf
= ath6kl_cfg80211_add_iface
,
3417 .del_virtual_intf
= ath6kl_cfg80211_del_iface
,
3418 .change_virtual_intf
= ath6kl_cfg80211_change_iface
,
3419 .scan
= ath6kl_cfg80211_scan
,
3420 .connect
= ath6kl_cfg80211_connect
,
3421 .disconnect
= ath6kl_cfg80211_disconnect
,
3422 .add_key
= ath6kl_cfg80211_add_key
,
3423 .get_key
= ath6kl_cfg80211_get_key
,
3424 .del_key
= ath6kl_cfg80211_del_key
,
3425 .set_default_key
= ath6kl_cfg80211_set_default_key
,
3426 .set_wiphy_params
= ath6kl_cfg80211_set_wiphy_params
,
3427 .set_tx_power
= ath6kl_cfg80211_set_txpower
,
3428 .get_tx_power
= ath6kl_cfg80211_get_txpower
,
3429 .set_power_mgmt
= ath6kl_cfg80211_set_power_mgmt
,
3430 .join_ibss
= ath6kl_cfg80211_join_ibss
,
3431 .leave_ibss
= ath6kl_cfg80211_leave_ibss
,
3432 .get_station
= ath6kl_get_station
,
3433 .set_pmksa
= ath6kl_set_pmksa
,
3434 .del_pmksa
= ath6kl_del_pmksa
,
3435 .flush_pmksa
= ath6kl_flush_pmksa
,
3436 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd
)
3438 .suspend
= __ath6kl_cfg80211_suspend
,
3439 .resume
= __ath6kl_cfg80211_resume
,
3441 .start_ap
= ath6kl_start_ap
,
3442 .change_beacon
= ath6kl_change_beacon
,
3443 .stop_ap
= ath6kl_stop_ap
,
3444 .del_station
= ath6kl_del_station
,
3445 .change_station
= ath6kl_change_station
,
3446 .remain_on_channel
= ath6kl_remain_on_channel
,
3447 .cancel_remain_on_channel
= ath6kl_cancel_remain_on_channel
,
3448 .mgmt_tx
= ath6kl_mgmt_tx
,
3449 .mgmt_frame_register
= ath6kl_mgmt_frame_register
,
3450 .sched_scan_start
= ath6kl_cfg80211_sscan_start
,
3451 .sched_scan_stop
= ath6kl_cfg80211_sscan_stop
,
3452 .set_bitrate_mask
= ath6kl_cfg80211_set_bitrate
,
3453 .set_cqm_txe_config
= ath6kl_cfg80211_set_txe_config
,
3456 void ath6kl_cfg80211_stop(struct ath6kl_vif
*vif
)
3458 ath6kl_cfg80211_sscan_disable(vif
);
3460 switch (vif
->sme_state
) {
3461 case SME_DISCONNECTED
:
3463 case SME_CONNECTING
:
3464 cfg80211_connect_result(vif
->ndev
, vif
->bssid
, NULL
, 0,
3466 WLAN_STATUS_UNSPECIFIED_FAILURE
,
3470 cfg80211_disconnected(vif
->ndev
, 0, NULL
, 0, true, GFP_KERNEL
);
3474 if (vif
->ar
->state
!= ATH6KL_STATE_RECOVERY
&&
3475 (test_bit(CONNECTED
, &vif
->flags
) ||
3476 test_bit(CONNECT_PEND
, &vif
->flags
)))
3477 ath6kl_wmi_disconnect_cmd(vif
->ar
->wmi
, vif
->fw_vif_idx
);
3479 vif
->sme_state
= SME_DISCONNECTED
;
3480 clear_bit(CONNECTED
, &vif
->flags
);
3481 clear_bit(CONNECT_PEND
, &vif
->flags
);
3483 /* Stop netdev queues, needed during recovery */
3484 netif_stop_queue(vif
->ndev
);
3485 netif_carrier_off(vif
->ndev
);
3487 /* disable scanning */
3488 if (vif
->ar
->state
!= ATH6KL_STATE_RECOVERY
&&
3489 ath6kl_wmi_scanparams_cmd(vif
->ar
->wmi
, vif
->fw_vif_idx
, 0xFFFF,
3490 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3491 ath6kl_warn("failed to disable scan during stop\n");
3493 ath6kl_cfg80211_scan_complete_event(vif
, true);
3496 void ath6kl_cfg80211_stop_all(struct ath6kl
*ar
)
3498 struct ath6kl_vif
*vif
;
3500 vif
= ath6kl_vif_first(ar
);
3501 if (!vif
&& ar
->state
!= ATH6KL_STATE_RECOVERY
) {
3502 /* save the current power mode before enabling power save */
3503 ar
->wmi
->saved_pwr_mode
= ar
->wmi
->pwr_mode
;
3505 if (ath6kl_wmi_powermode_cmd(ar
->wmi
, 0, REC_POWER
) != 0)
3506 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3511 * FIXME: we should take ar->list_lock to protect changes in the
3512 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3515 list_for_each_entry(vif
, &ar
->vif_list
, list
)
3516 ath6kl_cfg80211_stop(vif
);
3519 static void ath6kl_cfg80211_reg_notify(struct wiphy
*wiphy
,
3520 struct regulatory_request
*request
)
3522 struct ath6kl
*ar
= wiphy_priv(wiphy
);
3523 u32 rates
[IEEE80211_NUM_BANDS
];
3526 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
3527 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
3528 request
->alpha2
[0], request
->alpha2
[1],
3529 request
->intersect
? " intersect" : "",
3530 request
->processed
? " processed" : "",
3531 request
->initiator
, request
->user_reg_hint_type
);
3533 if (request
->user_reg_hint_type
!= NL80211_USER_REG_HINT_CELL_BASE
)
3536 ret
= ath6kl_wmi_set_regdomain_cmd(ar
->wmi
, request
->alpha2
);
3538 ath6kl_err("failed to set regdomain: %d\n", ret
);
3543 * Firmware will apply the regdomain change only after a scan is
3544 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3548 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
3549 if (wiphy
->bands
[i
])
3550 rates
[i
] = (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
3553 ret
= ath6kl_wmi_beginscan_cmd(ar
->wmi
, 0, WMI_LONG_SCAN
, false,
3554 false, 0, ATH6KL_FG_SCAN_INTERVAL
,
3555 0, NULL
, false, rates
);
3557 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3563 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif
*vif
)
3565 vif
->aggr_cntxt
= aggr_init(vif
);
3566 if (!vif
->aggr_cntxt
) {
3567 ath6kl_err("failed to initialize aggr\n");
3571 setup_timer(&vif
->disconnect_timer
, disconnect_timer_handler
,
3572 (unsigned long) vif
->ndev
);
3573 setup_timer(&vif
->sched_scan_timer
, ath6kl_wmi_sscan_timer
,
3574 (unsigned long) vif
);
3576 set_bit(WMM_ENABLED
, &vif
->flags
);
3577 spin_lock_init(&vif
->if_lock
);
3579 INIT_LIST_HEAD(&vif
->mc_filter
);
3584 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif
*vif
, bool wmi_ready
)
3586 static u8 bcast_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3589 netif_stop_queue(vif
->ndev
);
3591 clear_bit(WLAN_ENABLED
, &vif
->flags
);
3594 discon_issued
= test_bit(CONNECTED
, &vif
->flags
) ||
3595 test_bit(CONNECT_PEND
, &vif
->flags
);
3596 ath6kl_disconnect(vif
);
3597 del_timer(&vif
->disconnect_timer
);
3600 ath6kl_disconnect_event(vif
, DISCONNECT_CMD
,
3601 (vif
->nw_type
& AP_NETWORK
) ?
3602 bcast_mac
: vif
->bssid
,
3606 if (vif
->scan_req
) {
3607 cfg80211_scan_done(vif
->scan_req
, true);
3608 vif
->scan_req
= NULL
;
3611 /* need to clean up enhanced bmiss detection fw state */
3612 ath6kl_cfg80211_sta_bmiss_enhance(vif
, false);
3615 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif
*vif
)
3617 struct ath6kl
*ar
= vif
->ar
;
3618 struct ath6kl_mc_filter
*mc_filter
, *tmp
;
3620 aggr_module_destroy(vif
->aggr_cntxt
);
3622 ar
->avail_idx_map
|= BIT(vif
->fw_vif_idx
);
3624 if (vif
->nw_type
== ADHOC_NETWORK
)
3625 ar
->ibss_if_active
= false;
3627 list_for_each_entry_safe(mc_filter
, tmp
, &vif
->mc_filter
, list
) {
3628 list_del(&mc_filter
->list
);
3632 unregister_netdevice(vif
->ndev
);
3637 struct wireless_dev
*ath6kl_interface_add(struct ath6kl
*ar
, const char *name
,
3638 unsigned char name_assign_type
,
3639 enum nl80211_iftype type
,
3640 u8 fw_vif_idx
, u8 nw_type
)
3642 struct net_device
*ndev
;
3643 struct ath6kl_vif
*vif
;
3645 ndev
= alloc_netdev(sizeof(*vif
), name
, name_assign_type
, ether_setup
);
3649 vif
= netdev_priv(ndev
);
3650 ndev
->ieee80211_ptr
= &vif
->wdev
;
3651 vif
->wdev
.wiphy
= ar
->wiphy
;
3654 SET_NETDEV_DEV(ndev
, wiphy_dev(vif
->wdev
.wiphy
));
3655 vif
->wdev
.netdev
= ndev
;
3656 vif
->wdev
.iftype
= type
;
3657 vif
->fw_vif_idx
= fw_vif_idx
;
3658 vif
->nw_type
= nw_type
;
3659 vif
->next_mode
= nw_type
;
3660 vif
->listen_intvl_t
= ATH6KL_DEFAULT_LISTEN_INTVAL
;
3661 vif
->bmiss_time_t
= ATH6KL_DEFAULT_BMISS_TIME
;
3662 vif
->bg_scan_period
= 0;
3663 vif
->htcap
[IEEE80211_BAND_2GHZ
].ht_enable
= true;
3664 vif
->htcap
[IEEE80211_BAND_5GHZ
].ht_enable
= true;
3666 memcpy(ndev
->dev_addr
, ar
->mac_addr
, ETH_ALEN
);
3667 if (fw_vif_idx
!= 0) {
3668 ndev
->dev_addr
[0] = (ndev
->dev_addr
[0] ^ (1 << fw_vif_idx
)) |
3670 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR
,
3671 ar
->fw_capabilities
))
3672 ndev
->dev_addr
[4] ^= 0x80;
3677 ath6kl_init_control_info(vif
);
3679 if (ath6kl_cfg80211_vif_init(vif
))
3682 if (register_netdevice(ndev
))
3685 ar
->avail_idx_map
&= ~BIT(fw_vif_idx
);
3686 vif
->sme_state
= SME_DISCONNECTED
;
3687 set_bit(WLAN_ENABLED
, &vif
->flags
);
3688 ar
->wlan_pwr_state
= WLAN_POWER_STATE_ON
;
3690 if (type
== NL80211_IFTYPE_ADHOC
)
3691 ar
->ibss_if_active
= true;
3693 spin_lock_bh(&ar
->list_lock
);
3694 list_add_tail(&vif
->list
, &ar
->vif_list
);
3695 spin_unlock_bh(&ar
->list_lock
);
3700 aggr_module_destroy(vif
->aggr_cntxt
);
3706 static const struct wiphy_wowlan_support ath6kl_wowlan_support
= {
3707 .flags
= WIPHY_WOWLAN_MAGIC_PKT
|
3708 WIPHY_WOWLAN_DISCONNECT
|
3709 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
3710 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
3711 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
3712 WIPHY_WOWLAN_4WAY_HANDSHAKE
,
3713 .n_patterns
= WOW_MAX_FILTERS_PER_LIST
,
3714 .pattern_min_len
= 1,
3715 .pattern_max_len
= WOW_PATTERN_SIZE
,
3719 int ath6kl_cfg80211_init(struct ath6kl
*ar
)
3721 struct wiphy
*wiphy
= ar
->wiphy
;
3722 bool band_2gig
= false, band_5gig
= false, ht
= false;
3725 wiphy
->mgmt_stypes
= ath6kl_mgmt_stypes
;
3727 wiphy
->max_remain_on_channel_duration
= 5000;
3729 /* set device pointer for wiphy */
3730 set_wiphy_dev(wiphy
, ar
->dev
);
3732 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
3733 BIT(NL80211_IFTYPE_ADHOC
) |
3734 BIT(NL80211_IFTYPE_AP
);
3736 wiphy
->interface_modes
|= BIT(NL80211_IFTYPE_P2P_GO
) |
3737 BIT(NL80211_IFTYPE_P2P_CLIENT
);
3740 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN
) &&
3741 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN
, ar
->fw_capabilities
)) {
3742 wiphy
->reg_notifier
= ath6kl_cfg80211_reg_notify
;
3743 ar
->wiphy
->features
|= NL80211_FEATURE_CELL_BASE_REG_HINTS
;
3746 /* max num of ssids that can be probed during scanning */
3747 wiphy
->max_scan_ssids
= MAX_PROBED_SSIDS
;
3749 /* max num of ssids that can be matched after scan */
3750 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST
,
3751 ar
->fw_capabilities
))
3752 wiphy
->max_match_sets
= MAX_PROBED_SSIDS
;
3754 wiphy
->max_scan_ie_len
= 1000; /* FIX: what is correct limit? */
3755 switch (ar
->hw
.cap
) {
3773 ath6kl_err("invalid phy capability!\n");
3778 * Even if the fw has HT support, advertise HT cap only when
3779 * the firmware has support to override RSN capability, otherwise
3780 * 4-way handshake would fail.
3783 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE
,
3784 ar
->fw_capabilities
))) {
3785 ath6kl_band_2ghz
.ht_cap
.cap
= 0;
3786 ath6kl_band_2ghz
.ht_cap
.ht_supported
= false;
3787 ath6kl_band_5ghz
.ht_cap
.cap
= 0;
3788 ath6kl_band_5ghz
.ht_cap
.ht_supported
= false;
3791 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES
,
3792 ar
->fw_capabilities
)) {
3793 ath6kl_band_2ghz
.ht_cap
.mcs
.rx_mask
[0] = 0xff;
3794 ath6kl_band_5ghz
.ht_cap
.mcs
.rx_mask
[0] = 0xff;
3795 ath6kl_band_2ghz
.ht_cap
.mcs
.rx_mask
[1] = 0xff;
3796 ath6kl_band_5ghz
.ht_cap
.mcs
.rx_mask
[1] = 0xff;
3798 ath6kl_band_2ghz
.ht_cap
.mcs
.rx_mask
[0] = 0xff;
3799 ath6kl_band_5ghz
.ht_cap
.mcs
.rx_mask
[0] = 0xff;
3803 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &ath6kl_band_2ghz
;
3805 wiphy
->bands
[IEEE80211_BAND_5GHZ
] = &ath6kl_band_5ghz
;
3807 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
3809 wiphy
->cipher_suites
= cipher_suites
;
3810 wiphy
->n_cipher_suites
= ARRAY_SIZE(cipher_suites
);
3813 wiphy
->wowlan
= &ath6kl_wowlan_support
;
3816 wiphy
->max_sched_scan_ssids
= MAX_PROBED_SSIDS
;
3818 ar
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_FW_ROAM
|
3819 WIPHY_FLAG_HAVE_AP_SME
|
3820 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
|
3821 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
;
3823 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2
, ar
->fw_capabilities
))
3824 ar
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_SCHED_SCAN
;
3826 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT
,
3827 ar
->fw_capabilities
))
3828 ar
->wiphy
->features
|= NL80211_FEATURE_INACTIVITY_TIMER
;
3830 ar
->wiphy
->probe_resp_offload
=
3831 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS
|
3832 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2
|
3833 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P
;
3835 ret
= wiphy_register(wiphy
);
3837 ath6kl_err("couldn't register wiphy device\n");
3841 ar
->wiphy_registered
= true;
3846 void ath6kl_cfg80211_cleanup(struct ath6kl
*ar
)
3848 wiphy_unregister(ar
->wiphy
);
3850 ar
->wiphy_registered
= false;
3853 struct ath6kl
*ath6kl_cfg80211_create(void)
3856 struct wiphy
*wiphy
;
3858 /* create a new wiphy for use with cfg80211 */
3859 wiphy
= wiphy_new(&ath6kl_cfg80211_ops
, sizeof(struct ath6kl
));
3862 ath6kl_err("couldn't allocate wiphy device\n");
3866 ar
= wiphy_priv(wiphy
);
3872 /* Note: ar variable must not be accessed after calling this! */
3873 void ath6kl_cfg80211_destroy(struct ath6kl
*ar
)
3877 for (i
= 0; i
< AP_MAX_NUM_STA
; i
++)
3878 kfree(ar
->sta_list
[i
].aggr_conn
);
3880 wiphy_free(ar
->wiphy
);