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 = NL80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
41 .max_antenna_gain = 0, \
45 #define CHAN5G(_channel, _flags) { \
46 .band = NL80211_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
));
853 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif
*vif
, u8 reason
,
854 u8
*bssid
, u8 assoc_resp_len
,
855 u8
*assoc_info
, u16 proto_reason
)
857 struct ath6kl
*ar
= vif
->ar
;
860 struct cfg80211_scan_info info
= {
864 cfg80211_scan_done(vif
->scan_req
, &info
);
865 vif
->scan_req
= NULL
;
868 if (vif
->nw_type
& ADHOC_NETWORK
) {
869 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_ADHOC
)
870 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
871 "%s: ath6k not in ibss mode\n", __func__
);
875 if (vif
->nw_type
& INFRA_NETWORK
) {
876 if (vif
->wdev
.iftype
!= NL80211_IFTYPE_STATION
&&
877 vif
->wdev
.iftype
!= NL80211_IFTYPE_P2P_CLIENT
) {
878 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
879 "%s: ath6k not in station mode\n", __func__
);
884 clear_bit(CONNECT_PEND
, &vif
->flags
);
886 if (vif
->sme_state
== SME_CONNECTING
) {
887 cfg80211_connect_result(vif
->ndev
,
890 WLAN_STATUS_UNSPECIFIED_FAILURE
,
892 } else if (vif
->sme_state
== SME_CONNECTED
) {
893 cfg80211_disconnected(vif
->ndev
, proto_reason
,
894 NULL
, 0, false, GFP_KERNEL
);
897 vif
->sme_state
= SME_DISCONNECTED
;
900 * Send a disconnect command to target when a disconnect event is
901 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
902 * request from host) to make the firmware stop trying to connect even
903 * after giving disconnect event. There will be one more disconnect
904 * event for this disconnect command with reason code DISCONNECT_CMD
905 * which won't be notified to cfg80211.
907 if (reason
!= DISCONNECT_CMD
)
908 ath6kl_wmi_disconnect_cmd(ar
->wmi
, vif
->fw_vif_idx
);
911 static int ath6kl_set_probed_ssids(struct ath6kl
*ar
,
912 struct ath6kl_vif
*vif
,
913 struct cfg80211_ssid
*ssids
, int n_ssids
,
914 struct cfg80211_match_set
*match_set
,
917 u8 i
, j
, index_to_add
, ssid_found
= false;
918 struct ath6kl_cfg80211_match_probe_ssid ssid_list
[MAX_PROBED_SSIDS
];
920 memset(ssid_list
, 0, sizeof(ssid_list
));
922 if (n_ssids
> MAX_PROBED_SSIDS
||
923 n_match_ssid
> MAX_PROBED_SSIDS
)
926 for (i
= 0; i
< n_ssids
; i
++) {
927 memcpy(ssid_list
[i
].ssid
.ssid
,
930 ssid_list
[i
].ssid
.ssid_len
= ssids
[i
].ssid_len
;
932 if (ssids
[i
].ssid_len
)
933 ssid_list
[i
].flag
= SPECIFIC_SSID_FLAG
;
935 ssid_list
[i
].flag
= ANY_SSID_FLAG
;
937 if (n_match_ssid
== 0)
938 ssid_list
[i
].flag
|= MATCH_SSID_FLAG
;
943 for (i
= 0; i
< n_match_ssid
; i
++) {
946 for (j
= 0; j
< n_ssids
; j
++) {
947 if ((match_set
[i
].ssid
.ssid_len
==
948 ssid_list
[j
].ssid
.ssid_len
) &&
949 (!memcmp(ssid_list
[j
].ssid
.ssid
,
950 match_set
[i
].ssid
.ssid
,
951 match_set
[i
].ssid
.ssid_len
))) {
952 ssid_list
[j
].flag
|= MATCH_SSID_FLAG
;
961 if (index_to_add
>= MAX_PROBED_SSIDS
)
964 ssid_list
[index_to_add
].ssid
.ssid_len
=
965 match_set
[i
].ssid
.ssid_len
;
966 memcpy(ssid_list
[index_to_add
].ssid
.ssid
,
967 match_set
[i
].ssid
.ssid
,
968 match_set
[i
].ssid
.ssid_len
);
969 ssid_list
[index_to_add
].flag
|= MATCH_SSID_FLAG
;
973 for (i
= 0; i
< index_to_add
; i
++) {
974 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
, i
,
976 ssid_list
[i
].ssid
.ssid_len
,
977 ssid_list
[i
].ssid
.ssid
);
980 /* Make sure no old entries are left behind */
981 for (i
= index_to_add
; i
< MAX_PROBED_SSIDS
; i
++) {
982 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
, i
,
983 DISABLE_SSID_FLAG
, 0, NULL
);
989 static int ath6kl_cfg80211_scan(struct wiphy
*wiphy
,
990 struct cfg80211_scan_request
*request
)
992 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(request
->wdev
);
993 struct ath6kl
*ar
= ath6kl_priv(vif
->ndev
);
995 u16
*channels
= NULL
;
997 u32 force_fg_scan
= 0;
999 if (!ath6kl_cfg80211_ready(vif
))
1002 ath6kl_cfg80211_sscan_disable(vif
);
1004 if (!ar
->usr_bss_filter
) {
1005 clear_bit(CLEAR_BSSFILTER_ON_BEACON
, &vif
->flags
);
1006 ret
= ath6kl_wmi_bssfilter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1009 ath6kl_err("couldn't set bss filtering\n");
1014 ret
= ath6kl_set_probed_ssids(ar
, vif
, request
->ssids
,
1015 request
->n_ssids
, NULL
, 0);
1019 /* this also clears IE in fw if it's not set */
1020 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1021 WMI_FRAME_PROBE_REQ
,
1022 request
->ie
, request
->ie_len
);
1024 ath6kl_err("failed to set Probe Request appie for scan\n");
1029 * Scan only the requested channels if the request specifies a set of
1030 * channels. If the list is longer than the target supports, do not
1031 * configure the list and instead, scan all available channels.
1033 if (request
->n_channels
> 0 &&
1034 request
->n_channels
<= WMI_MAX_CHANNELS
) {
1037 n_channels
= request
->n_channels
;
1039 channels
= kzalloc(n_channels
* sizeof(u16
), GFP_KERNEL
);
1040 if (channels
== NULL
) {
1041 ath6kl_warn("failed to set scan channels, scan all channels");
1045 for (i
= 0; i
< n_channels
; i
++)
1046 channels
[i
] = request
->channels
[i
]->center_freq
;
1049 if (test_bit(CONNECTED
, &vif
->flags
))
1052 vif
->scan_req
= request
;
1054 ret
= ath6kl_wmi_beginscan_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1055 WMI_LONG_SCAN
, force_fg_scan
,
1057 ATH6KL_FG_SCAN_INTERVAL
,
1058 n_channels
, channels
,
1062 ath6kl_err("failed to start scan: %d\n", ret
);
1063 vif
->scan_req
= NULL
;
1071 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif
*vif
, bool aborted
)
1073 struct ath6kl
*ar
= vif
->ar
;
1074 struct cfg80211_scan_info info
= {
1079 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: status%s\n", __func__
,
1080 aborted
? " aborted" : "");
1088 if (vif
->scan_req
->n_ssids
&& vif
->scan_req
->ssids
[0].ssid_len
) {
1089 for (i
= 0; i
< vif
->scan_req
->n_ssids
; i
++) {
1090 ath6kl_wmi_probedssid_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1091 i
+ 1, DISABLE_SSID_FLAG
,
1097 cfg80211_scan_done(vif
->scan_req
, &info
);
1098 vif
->scan_req
= NULL
;
1101 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif
*vif
, int freq
,
1102 enum wmi_phy_mode mode
)
1104 struct cfg80211_chan_def chandef
;
1106 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1107 "channel switch notify nw_type %d freq %d mode %d\n",
1108 vif
->nw_type
, freq
, mode
);
1110 cfg80211_chandef_create(&chandef
,
1111 ieee80211_get_channel(vif
->ar
->wiphy
, freq
),
1112 (mode
== WMI_11G_HT20
&&
1113 ath6kl_band_2ghz
.ht_cap
.ht_supported
) ?
1114 NL80211_CHAN_HT20
: NL80211_CHAN_NO_HT
);
1116 mutex_lock(&vif
->wdev
.mtx
);
1117 cfg80211_ch_switch_notify(vif
->ndev
, &chandef
);
1118 mutex_unlock(&vif
->wdev
.mtx
);
1121 static int ath6kl_cfg80211_add_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1122 u8 key_index
, bool pairwise
,
1124 struct key_params
*params
)
1126 struct ath6kl
*ar
= ath6kl_priv(ndev
);
1127 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1128 struct ath6kl_key
*key
= NULL
;
1133 if (!ath6kl_cfg80211_ready(vif
))
1136 if (params
->cipher
== CCKM_KRK_CIPHER_SUITE
) {
1137 if (params
->key_len
!= WMI_KRK_LEN
)
1139 return ath6kl_wmi_add_krk_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1143 if (key_index
> WMI_MAX_KEY_INDEX
) {
1144 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1145 "%s: key index %d out of bounds\n", __func__
,
1150 key
= &vif
->keys
[key_index
];
1151 memset(key
, 0, sizeof(struct ath6kl_key
));
1154 key_usage
= PAIRWISE_USAGE
;
1156 key_usage
= GROUP_USAGE
;
1158 seq_len
= params
->seq_len
;
1159 if (params
->cipher
== WLAN_CIPHER_SUITE_SMS4
&&
1160 seq_len
> ATH6KL_KEY_SEQ_LEN
) {
1161 /* Only first half of the WPI PN is configured */
1162 seq_len
= ATH6KL_KEY_SEQ_LEN
;
1164 if (params
->key_len
> WLAN_MAX_KEY_LEN
||
1165 seq_len
> sizeof(key
->seq
))
1168 key
->key_len
= params
->key_len
;
1169 memcpy(key
->key
, params
->key
, key
->key_len
);
1170 key
->seq_len
= seq_len
;
1171 memcpy(key
->seq
, params
->seq
, key
->seq_len
);
1172 key
->cipher
= params
->cipher
;
1174 switch (key
->cipher
) {
1175 case WLAN_CIPHER_SUITE_WEP40
:
1176 case WLAN_CIPHER_SUITE_WEP104
:
1177 key_type
= WEP_CRYPT
;
1180 case WLAN_CIPHER_SUITE_TKIP
:
1181 key_type
= TKIP_CRYPT
;
1184 case WLAN_CIPHER_SUITE_CCMP
:
1185 key_type
= AES_CRYPT
;
1187 case WLAN_CIPHER_SUITE_SMS4
:
1188 key_type
= WAPI_CRYPT
;
1195 if (((vif
->auth_mode
== WPA_PSK_AUTH
) ||
1196 (vif
->auth_mode
== WPA2_PSK_AUTH
)) &&
1197 (key_usage
& GROUP_USAGE
))
1198 del_timer(&vif
->disconnect_timer
);
1200 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1201 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1202 __func__
, key_index
, key
->key_len
, key_type
,
1203 key_usage
, key
->seq_len
);
1205 if (vif
->nw_type
== AP_NETWORK
&& !pairwise
&&
1206 (key_type
== TKIP_CRYPT
|| key_type
== AES_CRYPT
||
1207 key_type
== WAPI_CRYPT
)) {
1208 ar
->ap_mode_bkey
.valid
= true;
1209 ar
->ap_mode_bkey
.key_index
= key_index
;
1210 ar
->ap_mode_bkey
.key_type
= key_type
;
1211 ar
->ap_mode_bkey
.key_len
= key
->key_len
;
1212 memcpy(ar
->ap_mode_bkey
.key
, key
->key
, key
->key_len
);
1213 if (!test_bit(CONNECTED
, &vif
->flags
)) {
1214 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1215 "Delay initial group key configuration until AP mode has been started\n");
1217 * The key will be set in ath6kl_connect_ap_mode() once
1218 * the connected event is received from the target.
1224 if (vif
->next_mode
== AP_NETWORK
&& key_type
== WEP_CRYPT
&&
1225 !test_bit(CONNECTED
, &vif
->flags
)) {
1227 * Store the key locally so that it can be re-configured after
1228 * the AP mode has properly started
1229 * (ath6kl_install_statioc_wep_keys).
1231 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1232 "Delay WEP key configuration until AP mode has been started\n");
1233 vif
->wep_key_list
[key_index
].key_len
= key
->key_len
;
1234 memcpy(vif
->wep_key_list
[key_index
].key
, key
->key
,
1239 return ath6kl_wmi_addkey_cmd(ar
->wmi
, vif
->fw_vif_idx
, key_index
,
1240 key_type
, key_usage
, key
->key_len
,
1241 key
->seq
, key
->seq_len
, key
->key
,
1243 (u8
*) mac_addr
, SYNC_BOTH_WMIFLAG
);
1246 static int ath6kl_cfg80211_del_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1247 u8 key_index
, bool pairwise
,
1250 struct ath6kl
*ar
= ath6kl_priv(ndev
);
1251 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1253 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
1255 if (!ath6kl_cfg80211_ready(vif
))
1258 if (key_index
> WMI_MAX_KEY_INDEX
) {
1259 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1260 "%s: key index %d out of bounds\n", __func__
,
1265 if (!vif
->keys
[key_index
].key_len
) {
1266 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1267 "%s: index %d is empty\n", __func__
, key_index
);
1271 vif
->keys
[key_index
].key_len
= 0;
1273 return ath6kl_wmi_deletekey_cmd(ar
->wmi
, vif
->fw_vif_idx
, key_index
);
1276 static int ath6kl_cfg80211_get_key(struct wiphy
*wiphy
, struct net_device
*ndev
,
1277 u8 key_index
, bool pairwise
,
1278 const u8
*mac_addr
, void *cookie
,
1279 void (*callback
) (void *cookie
,
1280 struct key_params
*))
1282 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1283 struct ath6kl_key
*key
= NULL
;
1284 struct key_params params
;
1286 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
1288 if (!ath6kl_cfg80211_ready(vif
))
1291 if (key_index
> WMI_MAX_KEY_INDEX
) {
1292 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1293 "%s: key index %d out of bounds\n", __func__
,
1298 key
= &vif
->keys
[key_index
];
1299 memset(¶ms
, 0, sizeof(params
));
1300 params
.cipher
= key
->cipher
;
1301 params
.key_len
= key
->key_len
;
1302 params
.seq_len
= key
->seq_len
;
1303 params
.seq
= key
->seq
;
1304 params
.key
= key
->key
;
1306 callback(cookie
, ¶ms
);
1308 return key
->key_len
? 0 : -ENOENT
;
1311 static int ath6kl_cfg80211_set_default_key(struct wiphy
*wiphy
,
1312 struct net_device
*ndev
,
1313 u8 key_index
, bool unicast
,
1316 struct ath6kl
*ar
= ath6kl_priv(ndev
);
1317 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1318 struct ath6kl_key
*key
= NULL
;
1320 enum crypto_type key_type
= NONE_CRYPT
;
1322 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: index %d\n", __func__
, key_index
);
1324 if (!ath6kl_cfg80211_ready(vif
))
1327 if (key_index
> WMI_MAX_KEY_INDEX
) {
1328 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1329 "%s: key index %d out of bounds\n",
1330 __func__
, key_index
);
1334 if (!vif
->keys
[key_index
].key_len
) {
1335 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: invalid key index %d\n",
1336 __func__
, key_index
);
1340 vif
->def_txkey_index
= key_index
;
1341 key
= &vif
->keys
[vif
->def_txkey_index
];
1342 key_usage
= GROUP_USAGE
;
1343 if (vif
->prwise_crypto
== WEP_CRYPT
)
1344 key_usage
|= TX_USAGE
;
1346 key_type
= vif
->prwise_crypto
;
1348 key_type
= vif
->grp_crypto
;
1350 if (vif
->next_mode
== AP_NETWORK
&& !test_bit(CONNECTED
, &vif
->flags
))
1351 return 0; /* Delay until AP mode has been started */
1353 return ath6kl_wmi_addkey_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1354 vif
->def_txkey_index
,
1355 key_type
, key_usage
,
1356 key
->key_len
, key
->seq
, key
->seq_len
,
1358 KEY_OP_INIT_VAL
, NULL
,
1362 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif
*vif
, u8 keyid
,
1365 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1366 "%s: keyid %d, ismcast %d\n", __func__
, keyid
, ismcast
);
1368 cfg80211_michael_mic_failure(vif
->ndev
, vif
->bssid
,
1369 (ismcast
? NL80211_KEYTYPE_GROUP
:
1370 NL80211_KEYTYPE_PAIRWISE
), keyid
, NULL
,
1374 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1376 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1377 struct ath6kl_vif
*vif
;
1380 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: changed 0x%x\n", __func__
,
1383 vif
= ath6kl_vif_first(ar
);
1387 if (!ath6kl_cfg80211_ready(vif
))
1390 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1391 ret
= ath6kl_wmi_set_rts_cmd(ar
->wmi
, wiphy
->rts_threshold
);
1393 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1401 static int ath6kl_cfg80211_set_txpower(struct wiphy
*wiphy
,
1402 struct wireless_dev
*wdev
,
1403 enum nl80211_tx_power_setting type
,
1406 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1407 struct ath6kl_vif
*vif
;
1408 int dbm
= MBM_TO_DBM(mbm
);
1410 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type 0x%x, dbm %d\n", __func__
,
1413 vif
= ath6kl_vif_first(ar
);
1417 if (!ath6kl_cfg80211_ready(vif
))
1421 case NL80211_TX_POWER_AUTOMATIC
:
1423 case NL80211_TX_POWER_LIMITED
:
1427 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type 0x%x not supported\n",
1432 ath6kl_wmi_set_tx_pwr_cmd(ar
->wmi
, vif
->fw_vif_idx
, dbm
);
1437 static int ath6kl_cfg80211_get_txpower(struct wiphy
*wiphy
,
1438 struct wireless_dev
*wdev
,
1441 struct ath6kl
*ar
= (struct ath6kl
*)wiphy_priv(wiphy
);
1442 struct ath6kl_vif
*vif
;
1444 vif
= ath6kl_vif_first(ar
);
1448 if (!ath6kl_cfg80211_ready(vif
))
1451 if (test_bit(CONNECTED
, &vif
->flags
)) {
1454 if (ath6kl_wmi_get_tx_pwr_cmd(ar
->wmi
, vif
->fw_vif_idx
) != 0) {
1455 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1459 wait_event_interruptible_timeout(ar
->event_wq
, ar
->tx_pwr
!= 0,
1462 if (signal_pending(current
)) {
1463 ath6kl_err("target did not respond\n");
1472 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy
*wiphy
,
1473 struct net_device
*dev
,
1474 bool pmgmt
, int timeout
)
1476 struct ath6kl
*ar
= ath6kl_priv(dev
);
1477 struct wmi_power_mode_cmd mode
;
1478 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1480 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: pmgmt %d, timeout %d\n",
1481 __func__
, pmgmt
, timeout
);
1483 if (!ath6kl_cfg80211_ready(vif
))
1487 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: rec power\n", __func__
);
1488 mode
.pwr_mode
= REC_POWER
;
1490 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: max perf\n", __func__
);
1491 mode
.pwr_mode
= MAX_PERF_POWER
;
1494 if (ath6kl_wmi_powermode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1495 mode
.pwr_mode
) != 0) {
1496 ath6kl_err("wmi_powermode_cmd failed\n");
1503 static struct wireless_dev
*ath6kl_cfg80211_add_iface(struct wiphy
*wiphy
,
1505 unsigned char name_assign_type
,
1506 enum nl80211_iftype type
,
1508 struct vif_params
*params
)
1510 struct ath6kl
*ar
= wiphy_priv(wiphy
);
1511 struct wireless_dev
*wdev
;
1514 if (ar
->num_vif
== ar
->vif_max
) {
1515 ath6kl_err("Reached maximum number of supported vif\n");
1516 return ERR_PTR(-EINVAL
);
1519 if (!ath6kl_is_valid_iftype(ar
, type
, &if_idx
, &nw_type
)) {
1520 ath6kl_err("Not a supported interface type\n");
1521 return ERR_PTR(-EINVAL
);
1524 wdev
= ath6kl_interface_add(ar
, name
, name_assign_type
, type
, if_idx
, nw_type
);
1526 return ERR_PTR(-ENOMEM
);
1533 static int ath6kl_cfg80211_del_iface(struct wiphy
*wiphy
,
1534 struct wireless_dev
*wdev
)
1536 struct ath6kl
*ar
= wiphy_priv(wiphy
);
1537 struct ath6kl_vif
*vif
= netdev_priv(wdev
->netdev
);
1539 spin_lock_bh(&ar
->list_lock
);
1540 list_del(&vif
->list
);
1541 spin_unlock_bh(&ar
->list_lock
);
1543 ath6kl_cfg80211_vif_stop(vif
, test_bit(WMI_READY
, &ar
->flag
));
1546 ath6kl_cfg80211_vif_cleanup(vif
);
1552 static int ath6kl_cfg80211_change_iface(struct wiphy
*wiphy
,
1553 struct net_device
*ndev
,
1554 enum nl80211_iftype type
, u32
*flags
,
1555 struct vif_params
*params
)
1557 struct ath6kl_vif
*vif
= netdev_priv(ndev
);
1560 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: type %u\n", __func__
, type
);
1563 * Don't bring up p2p on an interface which is not initialized
1564 * for p2p operation where fw does not have capability to switch
1565 * dynamically between non-p2p and p2p type interface.
1567 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX
,
1568 vif
->ar
->fw_capabilities
) &&
1569 (type
== NL80211_IFTYPE_P2P_CLIENT
||
1570 type
== NL80211_IFTYPE_P2P_GO
)) {
1571 if (vif
->ar
->vif_max
== 1) {
1572 if (vif
->fw_vif_idx
!= 0)
1575 goto set_iface_type
;
1578 for (i
= vif
->ar
->max_norm_iface
; i
< vif
->ar
->vif_max
; i
++) {
1579 if (i
== vif
->fw_vif_idx
)
1583 if (i
== vif
->ar
->vif_max
) {
1584 ath6kl_err("Invalid interface to bring up P2P\n");
1589 /* need to clean up enhanced bmiss detection fw state */
1590 ath6kl_cfg80211_sta_bmiss_enhance(vif
, false);
1594 case NL80211_IFTYPE_STATION
:
1595 case NL80211_IFTYPE_P2P_CLIENT
:
1596 vif
->next_mode
= INFRA_NETWORK
;
1598 case NL80211_IFTYPE_ADHOC
:
1599 vif
->next_mode
= ADHOC_NETWORK
;
1601 case NL80211_IFTYPE_AP
:
1602 case NL80211_IFTYPE_P2P_GO
:
1603 vif
->next_mode
= AP_NETWORK
;
1606 ath6kl_err("invalid interface type %u\n", type
);
1610 vif
->wdev
.iftype
= type
;
1615 static int ath6kl_cfg80211_join_ibss(struct wiphy
*wiphy
,
1616 struct net_device
*dev
,
1617 struct cfg80211_ibss_params
*ibss_param
)
1619 struct ath6kl
*ar
= ath6kl_priv(dev
);
1620 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1623 if (!ath6kl_cfg80211_ready(vif
))
1626 vif
->ssid_len
= ibss_param
->ssid_len
;
1627 memcpy(vif
->ssid
, ibss_param
->ssid
, vif
->ssid_len
);
1629 if (ibss_param
->chandef
.chan
)
1630 vif
->ch_hint
= ibss_param
->chandef
.chan
->center_freq
;
1632 if (ibss_param
->channel_fixed
) {
1634 * TODO: channel_fixed: The channel should be fixed, do not
1635 * search for IBSSs to join on other channels. Target
1636 * firmware does not support this feature, needs to be
1642 memset(vif
->req_bssid
, 0, sizeof(vif
->req_bssid
));
1643 if (ibss_param
->bssid
&& !is_broadcast_ether_addr(ibss_param
->bssid
))
1644 memcpy(vif
->req_bssid
, ibss_param
->bssid
,
1645 sizeof(vif
->req_bssid
));
1647 ath6kl_set_wpa_version(vif
, 0);
1649 status
= ath6kl_set_auth_type(vif
, NL80211_AUTHTYPE_OPEN_SYSTEM
);
1653 if (ibss_param
->privacy
) {
1654 ath6kl_set_cipher(vif
, WLAN_CIPHER_SUITE_WEP40
, true);
1655 ath6kl_set_cipher(vif
, WLAN_CIPHER_SUITE_WEP40
, false);
1657 ath6kl_set_cipher(vif
, 0, true);
1658 ath6kl_set_cipher(vif
, 0, false);
1661 vif
->nw_type
= vif
->next_mode
;
1663 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1664 "%s: connect called with authmode %d dot11 auth %d"
1665 " PW crypto %d PW crypto len %d GRP crypto %d"
1666 " GRP crypto len %d channel hint %u\n",
1668 vif
->auth_mode
, vif
->dot11_auth_mode
, vif
->prwise_crypto
,
1669 vif
->prwise_crypto_len
, vif
->grp_crypto
,
1670 vif
->grp_crypto_len
, vif
->ch_hint
);
1672 status
= ath6kl_wmi_connect_cmd(ar
->wmi
, vif
->fw_vif_idx
, vif
->nw_type
,
1673 vif
->dot11_auth_mode
, vif
->auth_mode
,
1675 vif
->prwise_crypto_len
,
1676 vif
->grp_crypto
, vif
->grp_crypto_len
,
1677 vif
->ssid_len
, vif
->ssid
,
1678 vif
->req_bssid
, vif
->ch_hint
,
1679 ar
->connect_ctrl_flags
, SUBTYPE_NONE
);
1680 set_bit(CONNECT_PEND
, &vif
->flags
);
1685 static int ath6kl_cfg80211_leave_ibss(struct wiphy
*wiphy
,
1686 struct net_device
*dev
)
1688 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1690 if (!ath6kl_cfg80211_ready(vif
))
1693 ath6kl_disconnect(vif
);
1694 memset(vif
->ssid
, 0, sizeof(vif
->ssid
));
1700 static const u32 cipher_suites
[] = {
1701 WLAN_CIPHER_SUITE_WEP40
,
1702 WLAN_CIPHER_SUITE_WEP104
,
1703 WLAN_CIPHER_SUITE_TKIP
,
1704 WLAN_CIPHER_SUITE_CCMP
,
1705 CCKM_KRK_CIPHER_SUITE
,
1706 WLAN_CIPHER_SUITE_SMS4
,
1709 static bool is_rate_legacy(s32 rate
)
1711 static const s32 legacy
[] = { 1000, 2000, 5500, 11000,
1712 6000, 9000, 12000, 18000, 24000,
1717 for (i
= 0; i
< ARRAY_SIZE(legacy
); i
++)
1718 if (rate
== legacy
[i
])
1724 static bool is_rate_ht20(s32 rate
, u8
*mcs
, bool *sgi
)
1726 static const s32 ht20
[] = { 6500, 13000, 19500, 26000, 39000,
1727 52000, 58500, 65000, 72200
1731 for (i
= 0; i
< ARRAY_SIZE(ht20
); i
++) {
1732 if (rate
== ht20
[i
]) {
1733 if (i
== ARRAY_SIZE(ht20
) - 1)
1734 /* last rate uses sgi */
1746 static bool is_rate_ht40(s32 rate
, u8
*mcs
, bool *sgi
)
1748 static const s32 ht40
[] = { 13500, 27000, 40500, 54000,
1749 81000, 108000, 121500, 135000,
1754 for (i
= 0; i
< ARRAY_SIZE(ht40
); i
++) {
1755 if (rate
== ht40
[i
]) {
1756 if (i
== ARRAY_SIZE(ht40
) - 1)
1757 /* last rate uses sgi */
1770 static int ath6kl_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
1771 const u8
*mac
, struct station_info
*sinfo
)
1773 struct ath6kl
*ar
= ath6kl_priv(dev
);
1774 struct ath6kl_vif
*vif
= netdev_priv(dev
);
1781 if (memcmp(mac
, vif
->bssid
, ETH_ALEN
) != 0)
1784 if (down_interruptible(&ar
->sem
))
1787 set_bit(STATS_UPDATE_PEND
, &vif
->flags
);
1789 ret
= ath6kl_wmi_get_stats_cmd(ar
->wmi
, vif
->fw_vif_idx
);
1796 left
= wait_event_interruptible_timeout(ar
->event_wq
,
1797 !test_bit(STATS_UPDATE_PEND
,
1808 if (vif
->target_stats
.rx_byte
) {
1809 sinfo
->rx_bytes
= vif
->target_stats
.rx_byte
;
1810 sinfo
->filled
|= BIT(NL80211_STA_INFO_RX_BYTES64
);
1811 sinfo
->rx_packets
= vif
->target_stats
.rx_pkt
;
1812 sinfo
->filled
|= BIT(NL80211_STA_INFO_RX_PACKETS
);
1815 if (vif
->target_stats
.tx_byte
) {
1816 sinfo
->tx_bytes
= vif
->target_stats
.tx_byte
;
1817 sinfo
->filled
|= BIT(NL80211_STA_INFO_TX_BYTES64
);
1818 sinfo
->tx_packets
= vif
->target_stats
.tx_pkt
;
1819 sinfo
->filled
|= BIT(NL80211_STA_INFO_TX_PACKETS
);
1822 sinfo
->signal
= vif
->target_stats
.cs_rssi
;
1823 sinfo
->filled
|= BIT(NL80211_STA_INFO_SIGNAL
);
1825 rate
= vif
->target_stats
.tx_ucast_rate
;
1827 if (is_rate_legacy(rate
)) {
1828 sinfo
->txrate
.legacy
= rate
/ 100;
1829 } else if (is_rate_ht20(rate
, &mcs
, &sgi
)) {
1831 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1832 sinfo
->txrate
.mcs
= mcs
- 1;
1834 sinfo
->txrate
.mcs
= mcs
;
1837 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
1838 sinfo
->txrate
.bw
= RATE_INFO_BW_20
;
1839 } else if (is_rate_ht40(rate
, &mcs
, &sgi
)) {
1841 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_SHORT_GI
;
1842 sinfo
->txrate
.mcs
= mcs
- 1;
1844 sinfo
->txrate
.mcs
= mcs
;
1847 sinfo
->txrate
.bw
= RATE_INFO_BW_40
;
1848 sinfo
->txrate
.flags
|= RATE_INFO_FLAGS_MCS
;
1850 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
1851 "invalid rate from stats: %d\n", rate
);
1852 ath6kl_debug_war(ar
, ATH6KL_WAR_INVALID_RATE
);
1856 sinfo
->filled
|= BIT(NL80211_STA_INFO_TX_BITRATE
);
1858 if (test_bit(CONNECTED
, &vif
->flags
) &&
1859 test_bit(DTIM_PERIOD_AVAIL
, &vif
->flags
) &&
1860 vif
->nw_type
== INFRA_NETWORK
) {
1861 sinfo
->filled
|= BIT(NL80211_STA_INFO_BSS_PARAM
);
1862 sinfo
->bss_param
.flags
= 0;
1863 sinfo
->bss_param
.dtim_period
= vif
->assoc_bss_dtim_period
;
1864 sinfo
->bss_param
.beacon_interval
= vif
->assoc_bss_beacon_int
;
1870 static int ath6kl_set_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
1871 struct cfg80211_pmksa
*pmksa
)
1873 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1874 struct ath6kl_vif
*vif
= netdev_priv(netdev
);
1876 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, vif
->fw_vif_idx
, pmksa
->bssid
,
1877 pmksa
->pmkid
, true);
1880 static int ath6kl_del_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
1881 struct cfg80211_pmksa
*pmksa
)
1883 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1884 struct ath6kl_vif
*vif
= netdev_priv(netdev
);
1886 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, vif
->fw_vif_idx
, pmksa
->bssid
,
1887 pmksa
->pmkid
, false);
1890 static int ath6kl_flush_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
)
1892 struct ath6kl
*ar
= ath6kl_priv(netdev
);
1893 struct ath6kl_vif
*vif
= netdev_priv(netdev
);
1895 if (test_bit(CONNECTED
, &vif
->flags
))
1896 return ath6kl_wmi_setpmkid_cmd(ar
->wmi
, vif
->fw_vif_idx
,
1897 vif
->bssid
, NULL
, false);
1901 static int ath6kl_wow_usr(struct ath6kl
*ar
, struct ath6kl_vif
*vif
,
1902 struct cfg80211_wowlan
*wow
, u32
*filter
)
1905 u8 mask
[WOW_PATTERN_SIZE
];
1908 /* Configure the patterns that we received from the user. */
1909 for (i
= 0; i
< wow
->n_patterns
; i
++) {
1911 * Convert given nl80211 specific mask value to equivalent
1912 * driver specific mask value and send it to the chip along
1913 * with patterns. For example, If the mask value defined in
1914 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1915 * then equivalent driver specific mask value is
1916 * "0xFF 0x00 0xFF 0x00".
1918 memset(&mask
, 0, sizeof(mask
));
1919 for (pos
= 0; pos
< wow
->patterns
[i
].pattern_len
; pos
++) {
1920 if (wow
->patterns
[i
].mask
[pos
/ 8] & (0x1 << (pos
% 8)))
1924 * Note: Pattern's offset is not passed as part of wowlan
1925 * parameter from CFG layer. So it's always passed as ZERO
1926 * to the firmware. It means, given WOW patterns are always
1927 * matched from the first byte of received pkt in the firmware.
1929 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1930 vif
->fw_vif_idx
, WOW_LIST_ID
,
1931 wow
->patterns
[i
].pattern_len
,
1932 0 /* pattern offset */,
1933 wow
->patterns
[i
].pattern
, mask
);
1938 if (wow
->disconnect
)
1939 *filter
|= WOW_FILTER_OPTION_NWK_DISASSOC
;
1942 *filter
|= WOW_FILTER_OPTION_MAGIC_PACKET
;
1944 if (wow
->gtk_rekey_failure
)
1945 *filter
|= WOW_FILTER_OPTION_GTK_ERROR
;
1947 if (wow
->eap_identity_req
)
1948 *filter
|= WOW_FILTER_OPTION_EAP_REQ
;
1950 if (wow
->four_way_handshake
)
1951 *filter
|= WOW_FILTER_OPTION_8021X_4WAYHS
;
1956 static int ath6kl_wow_ap(struct ath6kl
*ar
, struct ath6kl_vif
*vif
)
1958 static const u8 unicst_pattern
[] = { 0x00, 0x00, 0x00,
1959 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1960 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1962 static const u8 unicst_mask
[] = { 0x01, 0x00, 0x00,
1963 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1964 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1966 u8 unicst_offset
= 0;
1967 static const u8 arp_pattern
[] = { 0x08, 0x06 };
1968 static const u8 arp_mask
[] = { 0xff, 0xff };
1970 static const u8 discvr_pattern
[] = { 0xe0, 0x00, 0x00, 0xf8 };
1971 static const u8 discvr_mask
[] = { 0xf0, 0x00, 0x00, 0xf8 };
1972 u8 discvr_offset
= 38;
1973 static const u8 dhcp_pattern
[] = { 0xff, 0xff, 0xff, 0xff,
1974 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1975 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
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, 0x00, 0x43 /* port 67 */ };
1979 static const u8 dhcp_mask
[] = { 0xff, 0xff, 0xff, 0xff,
1980 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1981 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1982 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1983 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1984 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1988 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1989 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
1990 vif
->fw_vif_idx
, WOW_LIST_ID
,
1991 sizeof(unicst_pattern
), unicst_offset
,
1992 unicst_pattern
, unicst_mask
);
1994 ath6kl_err("failed to add WOW unicast IP pattern\n");
1998 /* Setup all ARP pkt pattern */
1999 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
2000 vif
->fw_vif_idx
, WOW_LIST_ID
,
2001 sizeof(arp_pattern
), arp_offset
,
2002 arp_pattern
, arp_mask
);
2004 ath6kl_err("failed to add WOW ARP pattern\n");
2009 * Setup multicast pattern for mDNS 224.0.0.251,
2010 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2012 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
2013 vif
->fw_vif_idx
, WOW_LIST_ID
,
2014 sizeof(discvr_pattern
), discvr_offset
,
2015 discvr_pattern
, discvr_mask
);
2017 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2021 /* Setup all DHCP broadcast pkt pattern */
2022 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
2023 vif
->fw_vif_idx
, WOW_LIST_ID
,
2024 sizeof(dhcp_pattern
), dhcp_offset
,
2025 dhcp_pattern
, dhcp_mask
);
2027 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2034 static int ath6kl_wow_sta(struct ath6kl
*ar
, struct ath6kl_vif
*vif
)
2036 struct net_device
*ndev
= vif
->ndev
;
2037 static const u8 discvr_pattern
[] = { 0xe0, 0x00, 0x00, 0xf8 };
2038 static const u8 discvr_mask
[] = { 0xf0, 0x00, 0x00, 0xf8 };
2039 u8 discvr_offset
= 38;
2040 u8 mac_mask
[ETH_ALEN
];
2043 /* Setup unicast pkt pattern */
2044 eth_broadcast_addr(mac_mask
);
2045 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
2046 vif
->fw_vif_idx
, WOW_LIST_ID
,
2047 ETH_ALEN
, 0, ndev
->dev_addr
,
2050 ath6kl_err("failed to add WOW unicast pattern\n");
2055 * Setup multicast pattern for mDNS 224.0.0.251,
2056 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2058 if ((ndev
->flags
& IFF_ALLMULTI
) ||
2059 (ndev
->flags
& IFF_MULTICAST
&& netdev_mc_count(ndev
) > 0)) {
2060 ret
= ath6kl_wmi_add_wow_pattern_cmd(ar
->wmi
,
2061 vif
->fw_vif_idx
, WOW_LIST_ID
,
2062 sizeof(discvr_pattern
), discvr_offset
,
2063 discvr_pattern
, discvr_mask
);
2065 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2073 static int is_hsleep_mode_procsed(struct ath6kl_vif
*vif
)
2075 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED
, &vif
->flags
);
2078 static bool is_ctrl_ep_empty(struct ath6kl
*ar
)
2080 return !ar
->tx_pending
[ar
->ctrl_ep
];
2083 static int ath6kl_cfg80211_host_sleep(struct ath6kl
*ar
, struct ath6kl_vif
*vif
)
2087 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED
, &vif
->flags
);
2089 ret
= ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2090 ATH6KL_HOST_MODE_ASLEEP
);
2094 left
= wait_event_interruptible_timeout(ar
->event_wq
,
2095 is_hsleep_mode_procsed(vif
),
2098 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2100 } else if (left
< 0) {
2101 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2106 if (ar
->tx_pending
[ar
->ctrl_ep
]) {
2107 left
= wait_event_interruptible_timeout(ar
->event_wq
,
2108 is_ctrl_ep_empty(ar
),
2111 ath6kl_warn("clear wmi ctrl data timeout\n");
2113 } else if (left
< 0) {
2114 ath6kl_warn("clear wmi ctrl data failed: %d\n", left
);
2122 static int ath6kl_wow_suspend_vif(struct ath6kl_vif
*vif
,
2123 struct cfg80211_wowlan
*wow
, u32
*filter
)
2125 struct ath6kl
*ar
= vif
->ar
;
2126 struct in_device
*in_dev
;
2127 struct in_ifaddr
*ifa
;
2130 __be32 ips
[MAX_IP_ADDRS
];
2133 if (!test_bit(NETDEV_MCAST_ALL_ON
, &vif
->flags
) &&
2134 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER
,
2135 ar
->fw_capabilities
)) {
2136 ret
= ath6kl_wmi_mcast_filter_cmd(vif
->ar
->wmi
,
2137 vif
->fw_vif_idx
, false);
2142 /* Clear existing WOW patterns */
2143 for (i
= 0; i
< WOW_MAX_FILTERS_PER_LIST
; i
++)
2144 ath6kl_wmi_del_wow_pattern_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2148 * Skip the default WOW pattern configuration
2149 * if the driver receives any WOW patterns from
2153 ret
= ath6kl_wow_usr(ar
, vif
, wow
, filter
);
2154 else if (vif
->nw_type
== AP_NETWORK
)
2155 ret
= ath6kl_wow_ap(ar
, vif
);
2157 ret
= ath6kl_wow_sta(ar
, vif
);
2162 netif_stop_queue(vif
->ndev
);
2164 if (vif
->nw_type
!= AP_NETWORK
) {
2165 ret
= ath6kl_wmi_listeninterval_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2166 ATH6KL_MAX_WOW_LISTEN_INTL
,
2171 /* Set listen interval x 15 times as bmiss time */
2172 bmiss_time
= ATH6KL_MAX_WOW_LISTEN_INTL
* 15;
2173 if (bmiss_time
> ATH6KL_MAX_BMISS_TIME
)
2174 bmiss_time
= ATH6KL_MAX_BMISS_TIME
;
2176 ret
= ath6kl_wmi_bmisstime_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2181 ret
= ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2182 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2188 /* Setup own IP addr for ARP agent. */
2189 in_dev
= __in_dev_get_rtnl(vif
->ndev
);
2193 ifa
= in_dev
->ifa_list
;
2194 memset(&ips
, 0, sizeof(ips
));
2196 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2197 while (index
< MAX_IP_ADDRS
&& ifa
) {
2198 ips
[index
] = ifa
->ifa_local
;
2199 ifa
= ifa
->ifa_next
;
2204 ath6kl_err("total IP addr count is exceeding fw limit\n");
2208 ret
= ath6kl_wmi_set_ip_cmd(ar
->wmi
, vif
->fw_vif_idx
, ips
[0], ips
[1]);
2210 ath6kl_err("fail to setup ip for arp agent\n");
2217 static int ath6kl_wow_suspend(struct ath6kl
*ar
, struct cfg80211_wowlan
*wow
)
2219 struct ath6kl_vif
*first_vif
, *vif
;
2222 bool connected
= false;
2224 /* enter / leave wow suspend on first vif always */
2225 first_vif
= ath6kl_vif_first(ar
);
2226 if (WARN_ON(!first_vif
) ||
2227 !ath6kl_cfg80211_ready(first_vif
))
2230 if (wow
&& (wow
->n_patterns
> WOW_MAX_FILTERS_PER_LIST
))
2233 /* install filters for each connected vif */
2234 spin_lock_bh(&ar
->list_lock
);
2235 list_for_each_entry(vif
, &ar
->vif_list
, list
) {
2236 if (!test_bit(CONNECTED
, &vif
->flags
) ||
2237 !ath6kl_cfg80211_ready(vif
))
2241 ret
= ath6kl_wow_suspend_vif(vif
, wow
, &filter
);
2245 spin_unlock_bh(&ar
->list_lock
);
2252 ar
->state
= ATH6KL_STATE_SUSPENDING
;
2254 ret
= ath6kl_wmi_set_wow_mode_cmd(ar
->wmi
, first_vif
->fw_vif_idx
,
2255 ATH6KL_WOW_MODE_ENABLE
,
2257 WOW_HOST_REQ_DELAY
);
2261 return ath6kl_cfg80211_host_sleep(ar
, first_vif
);
2264 static int ath6kl_wow_resume_vif(struct ath6kl_vif
*vif
)
2266 struct ath6kl
*ar
= vif
->ar
;
2269 if (vif
->nw_type
!= AP_NETWORK
) {
2270 ret
= ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2271 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2275 ret
= ath6kl_wmi_listeninterval_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2276 vif
->listen_intvl_t
, 0);
2280 ret
= ath6kl_wmi_bmisstime_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2281 vif
->bmiss_time_t
, 0);
2286 if (!test_bit(NETDEV_MCAST_ALL_OFF
, &vif
->flags
) &&
2287 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER
,
2288 ar
->fw_capabilities
)) {
2289 ret
= ath6kl_wmi_mcast_filter_cmd(vif
->ar
->wmi
,
2290 vif
->fw_vif_idx
, true);
2295 netif_wake_queue(vif
->ndev
);
2300 static int ath6kl_wow_resume(struct ath6kl
*ar
)
2302 struct ath6kl_vif
*vif
;
2305 vif
= ath6kl_vif_first(ar
);
2306 if (WARN_ON(!vif
) ||
2307 !ath6kl_cfg80211_ready(vif
))
2310 ar
->state
= ATH6KL_STATE_RESUMING
;
2312 ret
= ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2313 ATH6KL_HOST_MODE_AWAKE
);
2315 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2320 spin_lock_bh(&ar
->list_lock
);
2321 list_for_each_entry(vif
, &ar
->vif_list
, list
) {
2322 if (!test_bit(CONNECTED
, &vif
->flags
) ||
2323 !ath6kl_cfg80211_ready(vif
))
2325 ret
= ath6kl_wow_resume_vif(vif
);
2329 spin_unlock_bh(&ar
->list_lock
);
2334 ar
->state
= ATH6KL_STATE_ON
;
2338 ar
->state
= ATH6KL_STATE_WOW
;
2342 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl
*ar
)
2344 struct ath6kl_vif
*vif
;
2347 vif
= ath6kl_vif_first(ar
);
2351 if (!test_bit(WMI_READY
, &ar
->flag
)) {
2352 ath6kl_err("deepsleep failed as wmi is not ready\n");
2356 ath6kl_cfg80211_stop_all(ar
);
2358 /* Save the current power mode before enabling power save */
2359 ar
->wmi
->saved_pwr_mode
= ar
->wmi
->pwr_mode
;
2361 ret
= ath6kl_wmi_powermode_cmd(ar
->wmi
, 0, REC_POWER
);
2365 /* Disable WOW mode */
2366 ret
= ath6kl_wmi_set_wow_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2367 ATH6KL_WOW_MODE_DISABLE
,
2372 /* Flush all non control pkts in TX path */
2373 ath6kl_tx_data_cleanup(ar
);
2375 ret
= ath6kl_cfg80211_host_sleep(ar
, vif
);
2382 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl
*ar
)
2384 struct ath6kl_vif
*vif
;
2387 vif
= ath6kl_vif_first(ar
);
2392 if (ar
->wmi
->pwr_mode
!= ar
->wmi
->saved_pwr_mode
) {
2393 ret
= ath6kl_wmi_powermode_cmd(ar
->wmi
, 0,
2394 ar
->wmi
->saved_pwr_mode
);
2399 ret
= ath6kl_wmi_set_host_sleep_mode_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2400 ATH6KL_HOST_MODE_AWAKE
);
2404 ar
->state
= ATH6KL_STATE_ON
;
2406 /* Reset scan parameter to default values */
2407 ret
= ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2408 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2415 int ath6kl_cfg80211_suspend(struct ath6kl
*ar
,
2416 enum ath6kl_cfg_suspend_mode mode
,
2417 struct cfg80211_wowlan
*wow
)
2419 struct ath6kl_vif
*vif
;
2420 enum ath6kl_state prev_state
;
2424 case ATH6KL_CFG_SUSPEND_WOW
:
2426 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "wow mode suspend\n");
2428 /* Flush all non control pkts in TX path */
2429 ath6kl_tx_data_cleanup(ar
);
2431 prev_state
= ar
->state
;
2433 ret
= ath6kl_wow_suspend(ar
, wow
);
2435 ar
->state
= prev_state
;
2439 ar
->state
= ATH6KL_STATE_WOW
;
2442 case ATH6KL_CFG_SUSPEND_DEEPSLEEP
:
2444 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "deep sleep suspend\n");
2446 ret
= ath6kl_cfg80211_deepsleep_suspend(ar
);
2448 ath6kl_err("deepsleep suspend failed: %d\n", ret
);
2452 ar
->state
= ATH6KL_STATE_DEEPSLEEP
;
2456 case ATH6KL_CFG_SUSPEND_CUTPOWER
:
2458 ath6kl_cfg80211_stop_all(ar
);
2460 if (ar
->state
== ATH6KL_STATE_OFF
) {
2461 ath6kl_dbg(ATH6KL_DBG_SUSPEND
,
2462 "suspend hw off, no action for cutpower\n");
2466 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "suspend cutting power\n");
2468 ret
= ath6kl_init_hw_stop(ar
);
2470 ath6kl_warn("failed to stop hw during suspend: %d\n",
2474 ar
->state
= ATH6KL_STATE_CUTPOWER
;
2482 list_for_each_entry(vif
, &ar
->vif_list
, list
)
2483 ath6kl_cfg80211_scan_complete_event(vif
, true);
2487 EXPORT_SYMBOL(ath6kl_cfg80211_suspend
);
2489 int ath6kl_cfg80211_resume(struct ath6kl
*ar
)
2493 switch (ar
->state
) {
2494 case ATH6KL_STATE_WOW
:
2495 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "wow mode resume\n");
2497 ret
= ath6kl_wow_resume(ar
);
2499 ath6kl_warn("wow mode resume failed: %d\n", ret
);
2505 case ATH6KL_STATE_DEEPSLEEP
:
2506 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "deep sleep resume\n");
2508 ret
= ath6kl_cfg80211_deepsleep_resume(ar
);
2510 ath6kl_warn("deep sleep resume failed: %d\n", ret
);
2515 case ATH6KL_STATE_CUTPOWER
:
2516 ath6kl_dbg(ATH6KL_DBG_SUSPEND
, "resume restoring power\n");
2518 ret
= ath6kl_init_hw_start(ar
);
2520 ath6kl_warn("Failed to boot hw in resume: %d\n", ret
);
2531 EXPORT_SYMBOL(ath6kl_cfg80211_resume
);
2535 /* hif layer decides what suspend mode to use */
2536 static int __ath6kl_cfg80211_suspend(struct wiphy
*wiphy
,
2537 struct cfg80211_wowlan
*wow
)
2539 struct ath6kl
*ar
= wiphy_priv(wiphy
);
2541 ath6kl_recovery_suspend(ar
);
2543 return ath6kl_hif_suspend(ar
, wow
);
2546 static int __ath6kl_cfg80211_resume(struct wiphy
*wiphy
)
2548 struct ath6kl
*ar
= wiphy_priv(wiphy
);
2551 err
= ath6kl_hif_resume(ar
);
2555 ath6kl_recovery_resume(ar
);
2561 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2562 * both sdio irq wake up and keep power. The target pulls sdio data line to
2563 * wake up the host when WOW pattern matches. This causes sdio irq handler
2564 * is being called in the host side which internally hits ath6kl's RX path.
2566 * Since sdio interrupt is not disabled, RX path executes even before
2567 * the host executes the actual resume operation from PM module.
2569 * In the current scenario, WOW resume should happen before start processing
2570 * any data from the target. So It's required to perform WOW resume in RX path.
2571 * Ideally we should perform WOW resume only in the actual platform
2572 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2574 * ath6kl_check_wow_status() is called from ath6kl_rx().
2576 void ath6kl_check_wow_status(struct ath6kl
*ar
)
2578 if (ar
->state
== ATH6KL_STATE_SUSPENDING
)
2581 if (ar
->state
== ATH6KL_STATE_WOW
)
2582 ath6kl_cfg80211_resume(ar
);
2587 void ath6kl_check_wow_status(struct ath6kl
*ar
)
2592 static int ath6kl_set_htcap(struct ath6kl_vif
*vif
, enum nl80211_band band
,
2595 struct ath6kl_htcap
*htcap
= &vif
->htcap
[band
];
2597 if (htcap
->ht_enable
== ht_enable
)
2601 /* Set default ht capabilities */
2602 htcap
->ht_enable
= true;
2603 htcap
->cap_info
= (band
== NL80211_BAND_2GHZ
) ?
2604 ath6kl_g_htcap
: ath6kl_a_htcap
;
2605 htcap
->ampdu_factor
= IEEE80211_HT_MAX_AMPDU_16K
;
2606 } else /* Disable ht */
2607 memset(htcap
, 0, sizeof(*htcap
));
2609 return ath6kl_wmi_set_htcap_cmd(vif
->ar
->wmi
, vif
->fw_vif_idx
,
2613 static int ath6kl_restore_htcap(struct ath6kl_vif
*vif
)
2615 struct wiphy
*wiphy
= vif
->ar
->wiphy
;
2618 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
2619 if (!wiphy
->bands
[band
])
2622 ret
= ath6kl_set_htcap(vif
, band
,
2623 wiphy
->bands
[band
]->ht_cap
.ht_supported
);
2631 static bool ath6kl_is_p2p_ie(const u8
*pos
)
2633 return pos
[0] == WLAN_EID_VENDOR_SPECIFIC
&& pos
[1] >= 4 &&
2634 pos
[2] == 0x50 && pos
[3] == 0x6f &&
2635 pos
[4] == 0x9a && pos
[5] == 0x09;
2638 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif
*vif
,
2639 const u8
*ies
, size_t ies_len
)
2641 struct ath6kl
*ar
= vif
->ar
;
2648 * Filter out P2P IE(s) since they will be included depending on
2649 * the Probe Request frame in ath6kl_send_go_probe_resp().
2652 if (ies
&& ies_len
) {
2653 buf
= kmalloc(ies_len
, GFP_KERNEL
);
2657 while (pos
+ 1 < ies
+ ies_len
) {
2658 if (pos
+ 2 + pos
[1] > ies
+ ies_len
)
2660 if (!ath6kl_is_p2p_ie(pos
)) {
2661 memcpy(buf
+ len
, pos
, 2 + pos
[1]);
2668 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2669 WMI_FRAME_PROBE_RESP
, buf
, len
);
2674 static int ath6kl_set_ies(struct ath6kl_vif
*vif
,
2675 struct cfg80211_beacon_data
*info
)
2677 struct ath6kl
*ar
= vif
->ar
;
2680 /* this also clears IE in fw if it's not set */
2681 res
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2684 info
->beacon_ies_len
);
2688 /* this also clears IE in fw if it's not set */
2689 res
= ath6kl_set_ap_probe_resp_ies(vif
, info
->proberesp_ies
,
2690 info
->proberesp_ies_len
);
2694 /* this also clears IE in fw if it's not set */
2695 res
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2696 WMI_FRAME_ASSOC_RESP
,
2697 info
->assocresp_ies
,
2698 info
->assocresp_ies_len
);
2705 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data
*beacon
,
2715 rsn_ie
= cfg80211_find_ie(WLAN_EID_RSN
, beacon
->tail
, beacon
->tail_len
);
2719 rsn_ie_len
= *(rsn_ie
+ 1);
2720 /* skip element id and length */
2729 /* skip group cipher suite */
2735 /* skip pairwise cipher suite */
2738 cnt
= get_unaligned_le16(rsn_ie
);
2739 rsn_ie
+= (2 + cnt
* 4);
2740 rsn_ie_len
-= (2 + cnt
* 4);
2742 /* skip akm suite */
2745 cnt
= get_unaligned_le16(rsn_ie
);
2746 rsn_ie
+= (2 + cnt
* 4);
2747 rsn_ie_len
-= (2 + cnt
* 4);
2752 memcpy(rsn_capab
, rsn_ie
, 2);
2757 static int ath6kl_start_ap(struct wiphy
*wiphy
, struct net_device
*dev
,
2758 struct cfg80211_ap_settings
*info
)
2760 struct ath6kl
*ar
= ath6kl_priv(dev
);
2761 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2762 struct ieee80211_mgmt
*mgmt
;
2763 bool hidden
= false;
2766 struct wmi_connect_cmd p
;
2770 int inactivity_timeout
= 0;
2772 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s:\n", __func__
);
2774 if (!ath6kl_cfg80211_ready(vif
))
2777 if (vif
->next_mode
!= AP_NETWORK
)
2780 res
= ath6kl_set_ies(vif
, &info
->beacon
);
2782 ar
->ap_mode_bkey
.valid
= false;
2784 ret
= ath6kl_wmi_ap_set_beacon_intvl_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2785 info
->beacon_interval
);
2788 ath6kl_warn("Failed to set beacon interval: %d\n", ret
);
2790 ret
= ath6kl_wmi_ap_set_dtim_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2793 /* ignore error, just print a warning and continue normally */
2795 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret
);
2797 if (info
->beacon
.head
== NULL
)
2799 mgmt
= (struct ieee80211_mgmt
*) info
->beacon
.head
;
2800 ies
= mgmt
->u
.beacon
.variable
;
2801 if (ies
> info
->beacon
.head
+ info
->beacon
.head_len
)
2803 ies_len
= info
->beacon
.head
+ info
->beacon
.head_len
- ies
;
2805 if (info
->ssid
== NULL
)
2807 memcpy(vif
->ssid
, info
->ssid
, info
->ssid_len
);
2808 vif
->ssid_len
= info
->ssid_len
;
2809 if (info
->hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
)
2812 res
= ath6kl_wmi_ap_hidden_ssid(ar
->wmi
, vif
->fw_vif_idx
, hidden
);
2816 ret
= ath6kl_set_auth_type(vif
, info
->auth_type
);
2820 memset(&p
, 0, sizeof(p
));
2822 for (i
= 0; i
< info
->crypto
.n_akm_suites
; i
++) {
2823 switch (info
->crypto
.akm_suites
[i
]) {
2824 case WLAN_AKM_SUITE_8021X
:
2825 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_1
)
2826 p
.auth_mode
|= WPA_AUTH
;
2827 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_2
)
2828 p
.auth_mode
|= WPA2_AUTH
;
2830 case WLAN_AKM_SUITE_PSK
:
2831 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_1
)
2832 p
.auth_mode
|= WPA_PSK_AUTH
;
2833 if (info
->crypto
.wpa_versions
& NL80211_WPA_VERSION_2
)
2834 p
.auth_mode
|= WPA2_PSK_AUTH
;
2838 if (p
.auth_mode
== 0)
2839 p
.auth_mode
= NONE_AUTH
;
2840 vif
->auth_mode
= p
.auth_mode
;
2842 for (i
= 0; i
< info
->crypto
.n_ciphers_pairwise
; i
++) {
2843 switch (info
->crypto
.ciphers_pairwise
[i
]) {
2844 case WLAN_CIPHER_SUITE_WEP40
:
2845 case WLAN_CIPHER_SUITE_WEP104
:
2846 p
.prwise_crypto_type
|= WEP_CRYPT
;
2848 case WLAN_CIPHER_SUITE_TKIP
:
2849 p
.prwise_crypto_type
|= TKIP_CRYPT
;
2851 case WLAN_CIPHER_SUITE_CCMP
:
2852 p
.prwise_crypto_type
|= AES_CRYPT
;
2854 case WLAN_CIPHER_SUITE_SMS4
:
2855 p
.prwise_crypto_type
|= WAPI_CRYPT
;
2859 if (p
.prwise_crypto_type
== 0) {
2860 p
.prwise_crypto_type
= NONE_CRYPT
;
2861 ath6kl_set_cipher(vif
, 0, true);
2862 } else if (info
->crypto
.n_ciphers_pairwise
== 1) {
2863 ath6kl_set_cipher(vif
, info
->crypto
.ciphers_pairwise
[0], true);
2866 switch (info
->crypto
.cipher_group
) {
2867 case WLAN_CIPHER_SUITE_WEP40
:
2868 case WLAN_CIPHER_SUITE_WEP104
:
2869 p
.grp_crypto_type
= WEP_CRYPT
;
2871 case WLAN_CIPHER_SUITE_TKIP
:
2872 p
.grp_crypto_type
= TKIP_CRYPT
;
2874 case WLAN_CIPHER_SUITE_CCMP
:
2875 p
.grp_crypto_type
= AES_CRYPT
;
2877 case WLAN_CIPHER_SUITE_SMS4
:
2878 p
.grp_crypto_type
= WAPI_CRYPT
;
2881 p
.grp_crypto_type
= NONE_CRYPT
;
2884 ath6kl_set_cipher(vif
, info
->crypto
.cipher_group
, false);
2886 p
.nw_type
= AP_NETWORK
;
2887 vif
->nw_type
= vif
->next_mode
;
2889 p
.ssid_len
= vif
->ssid_len
;
2890 memcpy(p
.ssid
, vif
->ssid
, vif
->ssid_len
);
2891 p
.dot11_auth_mode
= vif
->dot11_auth_mode
;
2892 p
.ch
= cpu_to_le16(info
->chandef
.chan
->center_freq
);
2894 /* Enable uAPSD support by default */
2895 res
= ath6kl_wmi_ap_set_apsd(ar
->wmi
, vif
->fw_vif_idx
, true);
2899 if (vif
->wdev
.iftype
== NL80211_IFTYPE_P2P_GO
) {
2900 p
.nw_subtype
= SUBTYPE_P2PGO
;
2903 * Due to firmware limitation, it is not possible to
2904 * do P2P mgmt operations in AP mode
2906 p
.nw_subtype
= SUBTYPE_NONE
;
2909 if (info
->inactivity_timeout
) {
2910 inactivity_timeout
= info
->inactivity_timeout
;
2912 if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS
,
2913 ar
->fw_capabilities
))
2914 inactivity_timeout
= DIV_ROUND_UP(inactivity_timeout
,
2917 res
= ath6kl_wmi_set_inact_period(ar
->wmi
, vif
->fw_vif_idx
,
2918 inactivity_timeout
);
2923 if (ath6kl_set_htcap(vif
, info
->chandef
.chan
->band
,
2924 cfg80211_get_chandef_type(&info
->chandef
)
2925 != NL80211_CHAN_NO_HT
))
2929 * Get the PTKSA replay counter in the RSN IE. Supplicant
2930 * will use the RSN IE in M3 message and firmware has to
2931 * advertise the same in beacon/probe response. Send
2932 * the complete RSN IE capability field to firmware
2934 if (!ath6kl_get_rsn_capab(&info
->beacon
, (u8
*) &rsn_capab
) &&
2935 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE
,
2936 ar
->fw_capabilities
)) {
2937 res
= ath6kl_wmi_set_ie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
2938 WLAN_EID_RSN
, WMI_RSN_IE_CAPB
,
2939 (const u8
*) &rsn_capab
,
2941 vif
->rsn_capab
= rsn_capab
;
2946 memcpy(&vif
->profile
, &p
, sizeof(p
));
2947 res
= ath6kl_wmi_ap_profile_commit(ar
->wmi
, vif
->fw_vif_idx
, &p
);
2954 static int ath6kl_change_beacon(struct wiphy
*wiphy
, struct net_device
*dev
,
2955 struct cfg80211_beacon_data
*beacon
)
2957 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2959 if (!ath6kl_cfg80211_ready(vif
))
2962 if (vif
->next_mode
!= AP_NETWORK
)
2965 return ath6kl_set_ies(vif
, beacon
);
2968 static int ath6kl_stop_ap(struct wiphy
*wiphy
, struct net_device
*dev
)
2970 struct ath6kl
*ar
= ath6kl_priv(dev
);
2971 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2973 if (vif
->nw_type
!= AP_NETWORK
)
2975 if (!test_bit(CONNECTED
, &vif
->flags
))
2978 ath6kl_wmi_disconnect_cmd(ar
->wmi
, vif
->fw_vif_idx
);
2979 clear_bit(CONNECTED
, &vif
->flags
);
2980 netif_carrier_off(vif
->ndev
);
2982 /* Restore ht setting in firmware */
2983 return ath6kl_restore_htcap(vif
);
2986 static const u8 bcast_addr
[ETH_ALEN
] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2988 static int ath6kl_del_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2989 struct station_del_parameters
*params
)
2991 struct ath6kl
*ar
= ath6kl_priv(dev
);
2992 struct ath6kl_vif
*vif
= netdev_priv(dev
);
2993 const u8
*addr
= params
->mac
? params
->mac
: bcast_addr
;
2995 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, vif
->fw_vif_idx
, WMI_AP_DEAUTH
,
2996 addr
, WLAN_REASON_PREV_AUTH_NOT_VALID
);
2999 static int ath6kl_change_station(struct wiphy
*wiphy
, struct net_device
*dev
,
3001 struct station_parameters
*params
)
3003 struct ath6kl
*ar
= ath6kl_priv(dev
);
3004 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3007 if (vif
->nw_type
!= AP_NETWORK
)
3010 err
= cfg80211_check_station_change(wiphy
, params
,
3011 CFG80211_STA_AP_MLME_CLIENT
);
3015 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
))
3016 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, vif
->fw_vif_idx
,
3017 WMI_AP_MLME_AUTHORIZE
, mac
, 0);
3018 return ath6kl_wmi_ap_set_mlme(ar
->wmi
, vif
->fw_vif_idx
,
3019 WMI_AP_MLME_UNAUTHORIZE
, mac
, 0);
3022 static int ath6kl_remain_on_channel(struct wiphy
*wiphy
,
3023 struct wireless_dev
*wdev
,
3024 struct ieee80211_channel
*chan
,
3025 unsigned int duration
,
3028 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(wdev
);
3029 struct ath6kl
*ar
= ath6kl_priv(vif
->ndev
);
3032 /* TODO: if already pending or ongoing remain-on-channel,
3034 id
= ++vif
->last_roc_id
;
3036 /* Do not use 0 as the cookie value */
3037 id
= ++vif
->last_roc_id
;
3041 return ath6kl_wmi_remain_on_chnl_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3042 chan
->center_freq
, duration
);
3045 static int ath6kl_cancel_remain_on_channel(struct wiphy
*wiphy
,
3046 struct wireless_dev
*wdev
,
3049 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(wdev
);
3050 struct ath6kl
*ar
= ath6kl_priv(vif
->ndev
);
3052 if (cookie
!= vif
->last_roc_id
)
3054 vif
->last_cancel_roc_id
= cookie
;
3056 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar
->wmi
, vif
->fw_vif_idx
);
3059 static int ath6kl_send_go_probe_resp(struct ath6kl_vif
*vif
,
3060 const u8
*buf
, size_t len
,
3063 struct ath6kl
*ar
= vif
->ar
;
3068 const struct ieee80211_mgmt
*mgmt
;
3070 mgmt
= (const struct ieee80211_mgmt
*) buf
;
3072 /* Include P2P IE(s) from the frame generated in user space. */
3074 p2p
= kmalloc(len
, GFP_KERNEL
);
3079 pos
= mgmt
->u
.probe_resp
.variable
;
3080 while (pos
+ 1 < buf
+ len
) {
3081 if (pos
+ 2 + pos
[1] > buf
+ len
)
3083 if (ath6kl_is_p2p_ie(pos
)) {
3084 memcpy(p2p
+ p2p_len
, pos
, 2 + pos
[1]);
3085 p2p_len
+= 2 + pos
[1];
3090 ret
= ath6kl_wmi_send_probe_response_cmd(ar
->wmi
, vif
->fw_vif_idx
, freq
,
3091 mgmt
->da
, p2p
, p2p_len
);
3096 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif
*vif
,
3105 struct ieee80211_mgmt
*mgmt
;
3106 struct ath6kl_sta
*conn
;
3107 bool is_psq_empty
= false;
3108 struct ath6kl_mgmt_buff
*mgmt_buf
;
3109 size_t mgmt_buf_size
;
3110 struct ath6kl
*ar
= vif
->ar
;
3112 mgmt
= (struct ieee80211_mgmt
*) buf
;
3113 if (is_multicast_ether_addr(mgmt
->da
))
3116 conn
= ath6kl_find_sta(vif
, mgmt
->da
);
3120 if (conn
->sta_flags
& STA_PS_SLEEP
) {
3121 if (!(conn
->sta_flags
& STA_PS_POLLED
)) {
3122 /* Queue the frames if the STA is sleeping */
3123 mgmt_buf_size
= len
+ sizeof(struct ath6kl_mgmt_buff
);
3124 mgmt_buf
= kmalloc(mgmt_buf_size
, GFP_KERNEL
);
3128 INIT_LIST_HEAD(&mgmt_buf
->list
);
3130 mgmt_buf
->freq
= freq
;
3131 mgmt_buf
->wait
= wait
;
3132 mgmt_buf
->len
= len
;
3133 mgmt_buf
->no_cck
= no_cck
;
3134 memcpy(mgmt_buf
->buf
, buf
, len
);
3135 spin_lock_bh(&conn
->psq_lock
);
3136 is_psq_empty
= skb_queue_empty(&conn
->psq
) &&
3137 (conn
->mgmt_psq_len
== 0);
3138 list_add_tail(&mgmt_buf
->list
, &conn
->mgmt_psq
);
3139 conn
->mgmt_psq_len
++;
3140 spin_unlock_bh(&conn
->psq_lock
);
3143 * If this is the first pkt getting queued
3144 * for this STA, update the PVB for this
3148 ath6kl_wmi_set_pvb_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3154 * This tx is because of a PsPoll.
3155 * Determine if MoreData bit has to be set.
3157 spin_lock_bh(&conn
->psq_lock
);
3158 if (!skb_queue_empty(&conn
->psq
) || (conn
->mgmt_psq_len
!= 0))
3160 spin_unlock_bh(&conn
->psq_lock
);
3166 /* Check if SSID length is greater than DIRECT- */
3167 static bool ath6kl_is_p2p_go_ssid(const u8
*buf
, size_t len
)
3169 const struct ieee80211_mgmt
*mgmt
;
3170 mgmt
= (const struct ieee80211_mgmt
*) buf
;
3172 /* variable[1] contains the SSID tag length */
3173 if (buf
+ len
>= &mgmt
->u
.probe_resp
.variable
[1] &&
3174 (mgmt
->u
.probe_resp
.variable
[1] > P2P_WILDCARD_SSID_LEN
)) {
3181 static int ath6kl_mgmt_tx(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
3182 struct cfg80211_mgmt_tx_params
*params
, u64
*cookie
)
3184 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(wdev
);
3185 struct ath6kl
*ar
= ath6kl_priv(vif
->ndev
);
3186 struct ieee80211_channel
*chan
= params
->chan
;
3187 const u8
*buf
= params
->buf
;
3188 size_t len
= params
->len
;
3189 unsigned int wait
= params
->wait
;
3190 bool no_cck
= params
->no_cck
;
3192 const struct ieee80211_mgmt
*mgmt
;
3193 bool more_data
, queued
;
3195 /* default to the current channel, but use the one specified as argument
3198 freq
= vif
->ch_hint
;
3200 freq
= chan
->center_freq
;
3202 /* never send freq zero to the firmware */
3203 if (WARN_ON(freq
== 0))
3206 mgmt
= (const struct ieee80211_mgmt
*) buf
;
3207 if (vif
->nw_type
== AP_NETWORK
&& test_bit(CONNECTED
, &vif
->flags
) &&
3208 ieee80211_is_probe_resp(mgmt
->frame_control
) &&
3209 ath6kl_is_p2p_go_ssid(buf
, len
)) {
3211 * Send Probe Response frame in GO mode using a separate WMI
3212 * command to allow the target to fill in the generic IEs.
3214 *cookie
= 0; /* TX status not supported */
3215 return ath6kl_send_go_probe_resp(vif
, buf
, len
, freq
);
3218 id
= vif
->send_action_id
++;
3221 * 0 is a reserved value in the WMI command and shall not be
3222 * used for the command.
3224 id
= vif
->send_action_id
++;
3229 /* AP mode Power saving processing */
3230 if (vif
->nw_type
== AP_NETWORK
) {
3231 queued
= ath6kl_mgmt_powersave_ap(vif
, id
, freq
, wait
, buf
, len
,
3232 &more_data
, no_cck
);
3237 return ath6kl_wmi_send_mgmt_cmd(ar
->wmi
, vif
->fw_vif_idx
, id
, freq
,
3238 wait
, buf
, len
, no_cck
);
3241 static int ath6kl_get_antenna(struct wiphy
*wiphy
,
3242 u32
*tx_ant
, u32
*rx_ant
)
3244 struct ath6kl
*ar
= wiphy_priv(wiphy
);
3245 *tx_ant
= ar
->hw
.tx_ant
;
3246 *rx_ant
= ar
->hw
.rx_ant
;
3250 static void ath6kl_mgmt_frame_register(struct wiphy
*wiphy
,
3251 struct wireless_dev
*wdev
,
3252 u16 frame_type
, bool reg
)
3254 struct ath6kl_vif
*vif
= ath6kl_vif_from_wdev(wdev
);
3256 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
, "%s: frame_type=0x%x reg=%d\n",
3257 __func__
, frame_type
, reg
);
3258 if (frame_type
== IEEE80211_STYPE_PROBE_REQ
) {
3260 * Note: This notification callback is not allowed to sleep, so
3261 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3262 * hardcode target to report Probe Request frames all the time.
3264 vif
->probe_req_report
= reg
;
3268 static int ath6kl_cfg80211_sscan_start(struct wiphy
*wiphy
,
3269 struct net_device
*dev
,
3270 struct cfg80211_sched_scan_request
*request
)
3272 struct ath6kl
*ar
= ath6kl_priv(dev
);
3273 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3275 int ret
, rssi_thold
;
3276 int n_match_sets
= request
->n_match_sets
;
3279 * If there's a matchset w/o an SSID, then assume it's just for
3280 * the RSSI (nothing else is currently supported) and ignore it.
3281 * The device only supports a global RSSI filter that we set below.
3283 if (n_match_sets
== 1 && !request
->match_sets
[0].ssid
.ssid_len
)
3286 if (ar
->state
!= ATH6KL_STATE_ON
)
3289 if (vif
->sme_state
!= SME_DISCONNECTED
)
3292 ath6kl_cfg80211_scan_complete_event(vif
, true);
3294 ret
= ath6kl_set_probed_ssids(ar
, vif
, request
->ssids
,
3296 request
->match_sets
,
3301 if (!n_match_sets
) {
3302 ret
= ath6kl_wmi_bssfilter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3307 ret
= ath6kl_wmi_bssfilter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3308 MATCHED_SSID_FILTER
, 0);
3313 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD
,
3314 ar
->fw_capabilities
)) {
3315 if (request
->min_rssi_thold
<= NL80211_SCAN_RSSI_THOLD_OFF
)
3317 else if (request
->min_rssi_thold
< -127)
3320 rssi_thold
= request
->min_rssi_thold
;
3322 ret
= ath6kl_wmi_set_rssi_filter_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3325 ath6kl_err("failed to set RSSI threshold for scan\n");
3330 /* fw uses seconds, also make sure that it's >0 */
3331 interval
= max_t(u16
, 1, request
->scan_plans
[0].interval
);
3333 ath6kl_wmi_scanparams_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3335 vif
->bg_scan_period
, 0, 0, 0, 3, 0, 0, 0);
3337 /* this also clears IE in fw if it's not set */
3338 ret
= ath6kl_wmi_set_appie_cmd(ar
->wmi
, vif
->fw_vif_idx
,
3339 WMI_FRAME_PROBE_REQ
,
3340 request
->ie
, request
->ie_len
);
3342 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3347 ret
= ath6kl_wmi_enable_sched_scan_cmd(ar
->wmi
, vif
->fw_vif_idx
, true);
3351 set_bit(SCHED_SCANNING
, &vif
->flags
);
3356 static int ath6kl_cfg80211_sscan_stop(struct wiphy
*wiphy
,
3357 struct net_device
*dev
)
3359 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3362 stopped
= __ath6kl_cfg80211_sscan_stop(vif
);
3370 static int ath6kl_cfg80211_set_bitrate(struct wiphy
*wiphy
,
3371 struct net_device
*dev
,
3373 const struct cfg80211_bitrate_mask
*mask
)
3375 struct ath6kl
*ar
= ath6kl_priv(dev
);
3376 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3378 return ath6kl_wmi_set_bitrate_mask(ar
->wmi
, vif
->fw_vif_idx
,
3382 static int ath6kl_cfg80211_set_txe_config(struct wiphy
*wiphy
,
3383 struct net_device
*dev
,
3384 u32 rate
, u32 pkts
, u32 intvl
)
3386 struct ath6kl
*ar
= ath6kl_priv(dev
);
3387 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3389 if (vif
->nw_type
!= INFRA_NETWORK
||
3390 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY
, ar
->fw_capabilities
))
3393 if (vif
->sme_state
!= SME_CONNECTED
)
3396 /* save this since the firmware won't report the interval */
3397 vif
->txe_intvl
= intvl
;
3399 return ath6kl_wmi_set_txe_notify(ar
->wmi
, vif
->fw_vif_idx
,
3403 static const struct ieee80211_txrx_stypes
3404 ath6kl_mgmt_stypes
[NUM_NL80211_IFTYPES
] = {
3405 [NL80211_IFTYPE_STATION
] = {
3406 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3407 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
3408 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3409 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
3411 [NL80211_IFTYPE_AP
] = {
3412 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3413 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
3414 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3415 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
3417 [NL80211_IFTYPE_P2P_CLIENT
] = {
3418 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3419 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
3420 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3421 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
3423 [NL80211_IFTYPE_P2P_GO
] = {
3424 .tx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3425 BIT(IEEE80211_STYPE_PROBE_RESP
>> 4),
3426 .rx
= BIT(IEEE80211_STYPE_ACTION
>> 4) |
3427 BIT(IEEE80211_STYPE_PROBE_REQ
>> 4)
3431 static struct cfg80211_ops ath6kl_cfg80211_ops
= {
3432 .add_virtual_intf
= ath6kl_cfg80211_add_iface
,
3433 .del_virtual_intf
= ath6kl_cfg80211_del_iface
,
3434 .change_virtual_intf
= ath6kl_cfg80211_change_iface
,
3435 .scan
= ath6kl_cfg80211_scan
,
3436 .connect
= ath6kl_cfg80211_connect
,
3437 .disconnect
= ath6kl_cfg80211_disconnect
,
3438 .add_key
= ath6kl_cfg80211_add_key
,
3439 .get_key
= ath6kl_cfg80211_get_key
,
3440 .del_key
= ath6kl_cfg80211_del_key
,
3441 .set_default_key
= ath6kl_cfg80211_set_default_key
,
3442 .set_wiphy_params
= ath6kl_cfg80211_set_wiphy_params
,
3443 .set_tx_power
= ath6kl_cfg80211_set_txpower
,
3444 .get_tx_power
= ath6kl_cfg80211_get_txpower
,
3445 .set_power_mgmt
= ath6kl_cfg80211_set_power_mgmt
,
3446 .join_ibss
= ath6kl_cfg80211_join_ibss
,
3447 .leave_ibss
= ath6kl_cfg80211_leave_ibss
,
3448 .get_station
= ath6kl_get_station
,
3449 .set_pmksa
= ath6kl_set_pmksa
,
3450 .del_pmksa
= ath6kl_del_pmksa
,
3451 .flush_pmksa
= ath6kl_flush_pmksa
,
3452 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd
)
3454 .suspend
= __ath6kl_cfg80211_suspend
,
3455 .resume
= __ath6kl_cfg80211_resume
,
3457 .start_ap
= ath6kl_start_ap
,
3458 .change_beacon
= ath6kl_change_beacon
,
3459 .stop_ap
= ath6kl_stop_ap
,
3460 .del_station
= ath6kl_del_station
,
3461 .change_station
= ath6kl_change_station
,
3462 .remain_on_channel
= ath6kl_remain_on_channel
,
3463 .cancel_remain_on_channel
= ath6kl_cancel_remain_on_channel
,
3464 .mgmt_tx
= ath6kl_mgmt_tx
,
3465 .mgmt_frame_register
= ath6kl_mgmt_frame_register
,
3466 .get_antenna
= ath6kl_get_antenna
,
3467 .sched_scan_start
= ath6kl_cfg80211_sscan_start
,
3468 .sched_scan_stop
= ath6kl_cfg80211_sscan_stop
,
3469 .set_bitrate_mask
= ath6kl_cfg80211_set_bitrate
,
3470 .set_cqm_txe_config
= ath6kl_cfg80211_set_txe_config
,
3473 void ath6kl_cfg80211_stop(struct ath6kl_vif
*vif
)
3475 ath6kl_cfg80211_sscan_disable(vif
);
3477 switch (vif
->sme_state
) {
3478 case SME_DISCONNECTED
:
3480 case SME_CONNECTING
:
3481 cfg80211_connect_result(vif
->ndev
, vif
->bssid
, NULL
, 0,
3483 WLAN_STATUS_UNSPECIFIED_FAILURE
,
3487 cfg80211_disconnected(vif
->ndev
, 0, NULL
, 0, true, GFP_KERNEL
);
3491 if (vif
->ar
->state
!= ATH6KL_STATE_RECOVERY
&&
3492 (test_bit(CONNECTED
, &vif
->flags
) ||
3493 test_bit(CONNECT_PEND
, &vif
->flags
)))
3494 ath6kl_wmi_disconnect_cmd(vif
->ar
->wmi
, vif
->fw_vif_idx
);
3496 vif
->sme_state
= SME_DISCONNECTED
;
3497 clear_bit(CONNECTED
, &vif
->flags
);
3498 clear_bit(CONNECT_PEND
, &vif
->flags
);
3500 /* Stop netdev queues, needed during recovery */
3501 netif_stop_queue(vif
->ndev
);
3502 netif_carrier_off(vif
->ndev
);
3504 /* disable scanning */
3505 if (vif
->ar
->state
!= ATH6KL_STATE_RECOVERY
&&
3506 ath6kl_wmi_scanparams_cmd(vif
->ar
->wmi
, vif
->fw_vif_idx
, 0xFFFF,
3507 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3508 ath6kl_warn("failed to disable scan during stop\n");
3510 ath6kl_cfg80211_scan_complete_event(vif
, true);
3513 void ath6kl_cfg80211_stop_all(struct ath6kl
*ar
)
3515 struct ath6kl_vif
*vif
;
3517 vif
= ath6kl_vif_first(ar
);
3518 if (!vif
&& ar
->state
!= ATH6KL_STATE_RECOVERY
) {
3519 /* save the current power mode before enabling power save */
3520 ar
->wmi
->saved_pwr_mode
= ar
->wmi
->pwr_mode
;
3522 if (ath6kl_wmi_powermode_cmd(ar
->wmi
, 0, REC_POWER
) != 0)
3523 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3528 * FIXME: we should take ar->list_lock to protect changes in the
3529 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3532 list_for_each_entry(vif
, &ar
->vif_list
, list
)
3533 ath6kl_cfg80211_stop(vif
);
3536 static void ath6kl_cfg80211_reg_notify(struct wiphy
*wiphy
,
3537 struct regulatory_request
*request
)
3539 struct ath6kl
*ar
= wiphy_priv(wiphy
);
3540 u32 rates
[NUM_NL80211_BANDS
];
3543 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG
,
3544 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
3545 request
->alpha2
[0], request
->alpha2
[1],
3546 request
->intersect
? " intersect" : "",
3547 request
->processed
? " processed" : "",
3548 request
->initiator
, request
->user_reg_hint_type
);
3550 if (request
->user_reg_hint_type
!= NL80211_USER_REG_HINT_CELL_BASE
)
3553 ret
= ath6kl_wmi_set_regdomain_cmd(ar
->wmi
, request
->alpha2
);
3555 ath6kl_err("failed to set regdomain: %d\n", ret
);
3560 * Firmware will apply the regdomain change only after a scan is
3561 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3565 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
3566 if (wiphy
->bands
[i
])
3567 rates
[i
] = (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
3570 ret
= ath6kl_wmi_beginscan_cmd(ar
->wmi
, 0, WMI_LONG_SCAN
, false,
3571 false, 0, ATH6KL_FG_SCAN_INTERVAL
,
3572 0, NULL
, false, rates
);
3574 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3580 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif
*vif
)
3582 vif
->aggr_cntxt
= aggr_init(vif
);
3583 if (!vif
->aggr_cntxt
) {
3584 ath6kl_err("failed to initialize aggr\n");
3588 setup_timer(&vif
->disconnect_timer
, disconnect_timer_handler
,
3589 (unsigned long) vif
->ndev
);
3590 setup_timer(&vif
->sched_scan_timer
, ath6kl_wmi_sscan_timer
,
3591 (unsigned long) vif
);
3593 set_bit(WMM_ENABLED
, &vif
->flags
);
3594 spin_lock_init(&vif
->if_lock
);
3596 INIT_LIST_HEAD(&vif
->mc_filter
);
3601 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif
*vif
, bool wmi_ready
)
3603 static u8 bcast_mac
[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3606 netif_stop_queue(vif
->ndev
);
3608 clear_bit(WLAN_ENABLED
, &vif
->flags
);
3611 discon_issued
= test_bit(CONNECTED
, &vif
->flags
) ||
3612 test_bit(CONNECT_PEND
, &vif
->flags
);
3613 ath6kl_disconnect(vif
);
3614 del_timer(&vif
->disconnect_timer
);
3617 ath6kl_disconnect_event(vif
, DISCONNECT_CMD
,
3618 (vif
->nw_type
& AP_NETWORK
) ?
3619 bcast_mac
: vif
->bssid
,
3623 if (vif
->scan_req
) {
3624 struct cfg80211_scan_info info
= {
3628 cfg80211_scan_done(vif
->scan_req
, &info
);
3629 vif
->scan_req
= NULL
;
3632 /* need to clean up enhanced bmiss detection fw state */
3633 ath6kl_cfg80211_sta_bmiss_enhance(vif
, false);
3636 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif
*vif
)
3638 struct ath6kl
*ar
= vif
->ar
;
3639 struct ath6kl_mc_filter
*mc_filter
, *tmp
;
3641 aggr_module_destroy(vif
->aggr_cntxt
);
3643 ar
->avail_idx_map
|= BIT(vif
->fw_vif_idx
);
3645 if (vif
->nw_type
== ADHOC_NETWORK
)
3646 ar
->ibss_if_active
= false;
3648 list_for_each_entry_safe(mc_filter
, tmp
, &vif
->mc_filter
, list
) {
3649 list_del(&mc_filter
->list
);
3653 unregister_netdevice(vif
->ndev
);
3658 static const char ath6kl_gstrings_sta_stats
[][ETH_GSTRING_LEN
] = {
3659 /* Common stats names used by many drivers. */
3660 "tx_pkts_nic", "tx_bytes_nic", "rx_pkts_nic", "rx_bytes_nic",
3663 "d_tx_ucast_pkts", "d_tx_bcast_pkts",
3664 "d_tx_ucast_bytes", "d_tx_bcast_bytes",
3665 "d_tx_rts_ok", "d_tx_error", "d_tx_fail",
3666 "d_tx_retry", "d_tx_multi_retry", "d_tx_rts_fail",
3667 "d_tx_tkip_counter_measures",
3670 "d_rx_ucast_pkts", "d_rx_ucast_rate", "d_rx_bcast_pkts",
3671 "d_rx_ucast_bytes", "d_rx_bcast_bytes", "d_rx_frag_pkt",
3672 "d_rx_error", "d_rx_crc_err", "d_rx_keycache_miss",
3673 "d_rx_decrypt_crc_err", "d_rx_duplicate_frames",
3674 "d_rx_mic_err", "d_rx_tkip_format_err", "d_rx_ccmp_format_err",
3675 "d_rx_ccmp_replay_err",
3678 "d_beacon_miss", "d_num_connects", "d_num_disconnects",
3679 "d_beacon_avg_rssi", "d_arp_received", "d_arp_matched",
3683 #define ATH6KL_STATS_LEN ARRAY_SIZE(ath6kl_gstrings_sta_stats)
3685 static int ath6kl_get_sset_count(struct net_device
*dev
, int sset
)
3689 if (sset
== ETH_SS_STATS
)
3690 rv
+= ATH6KL_STATS_LEN
;
3697 static void ath6kl_get_stats(struct net_device
*dev
,
3698 struct ethtool_stats
*stats
,
3701 struct ath6kl_vif
*vif
= netdev_priv(dev
);
3702 struct ath6kl
*ar
= vif
->ar
;
3704 struct target_stats
*tgt_stats
;
3706 memset(data
, 0, sizeof(u64
) * ATH6KL_STATS_LEN
);
3708 ath6kl_read_tgt_stats(ar
, vif
);
3710 tgt_stats
= &vif
->target_stats
;
3712 data
[i
++] = tgt_stats
->tx_ucast_pkt
+ tgt_stats
->tx_bcast_pkt
;
3713 data
[i
++] = tgt_stats
->tx_ucast_byte
+ tgt_stats
->tx_bcast_byte
;
3714 data
[i
++] = tgt_stats
->rx_ucast_pkt
+ tgt_stats
->rx_bcast_pkt
;
3715 data
[i
++] = tgt_stats
->rx_ucast_byte
+ tgt_stats
->rx_bcast_byte
;
3717 data
[i
++] = tgt_stats
->tx_ucast_pkt
;
3718 data
[i
++] = tgt_stats
->tx_bcast_pkt
;
3719 data
[i
++] = tgt_stats
->tx_ucast_byte
;
3720 data
[i
++] = tgt_stats
->tx_bcast_byte
;
3721 data
[i
++] = tgt_stats
->tx_rts_success_cnt
;
3722 data
[i
++] = tgt_stats
->tx_err
;
3723 data
[i
++] = tgt_stats
->tx_fail_cnt
;
3724 data
[i
++] = tgt_stats
->tx_retry_cnt
;
3725 data
[i
++] = tgt_stats
->tx_mult_retry_cnt
;
3726 data
[i
++] = tgt_stats
->tx_rts_fail_cnt
;
3727 data
[i
++] = tgt_stats
->tkip_cnter_measures_invoked
;
3729 data
[i
++] = tgt_stats
->rx_ucast_pkt
;
3730 data
[i
++] = tgt_stats
->rx_ucast_rate
;
3731 data
[i
++] = tgt_stats
->rx_bcast_pkt
;
3732 data
[i
++] = tgt_stats
->rx_ucast_byte
;
3733 data
[i
++] = tgt_stats
->rx_bcast_byte
;
3734 data
[i
++] = tgt_stats
->rx_frgment_pkt
;
3735 data
[i
++] = tgt_stats
->rx_err
;
3736 data
[i
++] = tgt_stats
->rx_crc_err
;
3737 data
[i
++] = tgt_stats
->rx_key_cache_miss
;
3738 data
[i
++] = tgt_stats
->rx_decrypt_err
;
3739 data
[i
++] = tgt_stats
->rx_dupl_frame
;
3740 data
[i
++] = tgt_stats
->tkip_local_mic_fail
;
3741 data
[i
++] = tgt_stats
->tkip_fmt_err
;
3742 data
[i
++] = tgt_stats
->ccmp_fmt_err
;
3743 data
[i
++] = tgt_stats
->ccmp_replays
;
3745 data
[i
++] = tgt_stats
->cs_bmiss_cnt
;
3746 data
[i
++] = tgt_stats
->cs_connect_cnt
;
3747 data
[i
++] = tgt_stats
->cs_discon_cnt
;
3748 data
[i
++] = tgt_stats
->cs_ave_beacon_rssi
;
3749 data
[i
++] = tgt_stats
->arp_received
;
3750 data
[i
++] = tgt_stats
->arp_matched
;
3751 data
[i
++] = tgt_stats
->arp_replied
;
3753 if (i
!= ATH6KL_STATS_LEN
) {
3755 ath6kl_err("ethtool stats error, i: %d STATS_LEN: %d\n",
3756 i
, (int)ATH6KL_STATS_LEN
);
3760 /* These stats are per NIC, not really per vdev, so we just ignore dev. */
3761 static void ath6kl_get_strings(struct net_device
*dev
, u32 sset
, u8
*data
)
3763 int sz_sta_stats
= 0;
3765 if (sset
== ETH_SS_STATS
) {
3766 sz_sta_stats
= sizeof(ath6kl_gstrings_sta_stats
);
3767 memcpy(data
, ath6kl_gstrings_sta_stats
, sz_sta_stats
);
3771 static const struct ethtool_ops ath6kl_ethtool_ops
= {
3772 .get_drvinfo
= cfg80211_get_drvinfo
,
3773 .get_link
= ethtool_op_get_link
,
3774 .get_strings
= ath6kl_get_strings
,
3775 .get_ethtool_stats
= ath6kl_get_stats
,
3776 .get_sset_count
= ath6kl_get_sset_count
,
3779 struct wireless_dev
*ath6kl_interface_add(struct ath6kl
*ar
, const char *name
,
3780 unsigned char name_assign_type
,
3781 enum nl80211_iftype type
,
3782 u8 fw_vif_idx
, u8 nw_type
)
3784 struct net_device
*ndev
;
3785 struct ath6kl_vif
*vif
;
3787 ndev
= alloc_netdev(sizeof(*vif
), name
, name_assign_type
, ether_setup
);
3791 vif
= netdev_priv(ndev
);
3792 ndev
->ieee80211_ptr
= &vif
->wdev
;
3793 vif
->wdev
.wiphy
= ar
->wiphy
;
3796 SET_NETDEV_DEV(ndev
, wiphy_dev(vif
->wdev
.wiphy
));
3797 vif
->wdev
.netdev
= ndev
;
3798 vif
->wdev
.iftype
= type
;
3799 vif
->fw_vif_idx
= fw_vif_idx
;
3800 vif
->nw_type
= nw_type
;
3801 vif
->next_mode
= nw_type
;
3802 vif
->listen_intvl_t
= ATH6KL_DEFAULT_LISTEN_INTVAL
;
3803 vif
->bmiss_time_t
= ATH6KL_DEFAULT_BMISS_TIME
;
3804 vif
->bg_scan_period
= 0;
3805 vif
->htcap
[NL80211_BAND_2GHZ
].ht_enable
= true;
3806 vif
->htcap
[NL80211_BAND_5GHZ
].ht_enable
= true;
3808 memcpy(ndev
->dev_addr
, ar
->mac_addr
, ETH_ALEN
);
3809 if (fw_vif_idx
!= 0) {
3810 ndev
->dev_addr
[0] = (ndev
->dev_addr
[0] ^ (1 << fw_vif_idx
)) |
3812 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR
,
3813 ar
->fw_capabilities
))
3814 ndev
->dev_addr
[4] ^= 0x80;
3819 ath6kl_init_control_info(vif
);
3821 if (ath6kl_cfg80211_vif_init(vif
))
3824 netdev_set_default_ethtool_ops(ndev
, &ath6kl_ethtool_ops
);
3826 if (register_netdevice(ndev
))
3829 ar
->avail_idx_map
&= ~BIT(fw_vif_idx
);
3830 vif
->sme_state
= SME_DISCONNECTED
;
3831 set_bit(WLAN_ENABLED
, &vif
->flags
);
3832 ar
->wlan_pwr_state
= WLAN_POWER_STATE_ON
;
3834 if (type
== NL80211_IFTYPE_ADHOC
)
3835 ar
->ibss_if_active
= true;
3837 spin_lock_bh(&ar
->list_lock
);
3838 list_add_tail(&vif
->list
, &ar
->vif_list
);
3839 spin_unlock_bh(&ar
->list_lock
);
3844 aggr_module_destroy(vif
->aggr_cntxt
);
3850 static const struct wiphy_wowlan_support ath6kl_wowlan_support
= {
3851 .flags
= WIPHY_WOWLAN_MAGIC_PKT
|
3852 WIPHY_WOWLAN_DISCONNECT
|
3853 WIPHY_WOWLAN_GTK_REKEY_FAILURE
|
3854 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
|
3855 WIPHY_WOWLAN_EAP_IDENTITY_REQ
|
3856 WIPHY_WOWLAN_4WAY_HANDSHAKE
,
3857 .n_patterns
= WOW_MAX_FILTERS_PER_LIST
,
3858 .pattern_min_len
= 1,
3859 .pattern_max_len
= WOW_PATTERN_SIZE
,
3863 int ath6kl_cfg80211_init(struct ath6kl
*ar
)
3865 struct wiphy
*wiphy
= ar
->wiphy
;
3866 bool band_2gig
= false, band_5gig
= false, ht
= false;
3869 wiphy
->mgmt_stypes
= ath6kl_mgmt_stypes
;
3871 wiphy
->max_remain_on_channel_duration
= 5000;
3873 /* set device pointer for wiphy */
3874 set_wiphy_dev(wiphy
, ar
->dev
);
3876 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
) |
3877 BIT(NL80211_IFTYPE_ADHOC
) |
3878 BIT(NL80211_IFTYPE_AP
);
3880 wiphy
->interface_modes
|= BIT(NL80211_IFTYPE_P2P_GO
) |
3881 BIT(NL80211_IFTYPE_P2P_CLIENT
);
3884 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN
) &&
3885 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN
, ar
->fw_capabilities
)) {
3886 wiphy
->reg_notifier
= ath6kl_cfg80211_reg_notify
;
3887 ar
->wiphy
->features
|= NL80211_FEATURE_CELL_BASE_REG_HINTS
;
3890 /* max num of ssids that can be probed during scanning */
3891 wiphy
->max_scan_ssids
= MAX_PROBED_SSIDS
;
3893 /* max num of ssids that can be matched after scan */
3894 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST
,
3895 ar
->fw_capabilities
))
3896 wiphy
->max_match_sets
= MAX_PROBED_SSIDS
;
3898 wiphy
->max_scan_ie_len
= 1000; /* FIX: what is correct limit? */
3899 switch (ar
->hw
.cap
) {
3917 ath6kl_err("invalid phy capability!\n");
3922 * Even if the fw has HT support, advertise HT cap only when
3923 * the firmware has support to override RSN capability, otherwise
3924 * 4-way handshake would fail.
3927 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE
,
3928 ar
->fw_capabilities
))) {
3929 ath6kl_band_2ghz
.ht_cap
.cap
= 0;
3930 ath6kl_band_2ghz
.ht_cap
.ht_supported
= false;
3931 ath6kl_band_5ghz
.ht_cap
.cap
= 0;
3932 ath6kl_band_5ghz
.ht_cap
.ht_supported
= false;
3935 ath6kl_err("Firmware lacks RSN-CAP-OVERRIDE, so HT (802.11n) is disabled.");
3938 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES
,
3939 ar
->fw_capabilities
)) {
3940 ath6kl_band_2ghz
.ht_cap
.mcs
.rx_mask
[0] = 0xff;
3941 ath6kl_band_5ghz
.ht_cap
.mcs
.rx_mask
[0] = 0xff;
3942 ath6kl_band_2ghz
.ht_cap
.mcs
.rx_mask
[1] = 0xff;
3943 ath6kl_band_5ghz
.ht_cap
.mcs
.rx_mask
[1] = 0xff;
3944 ar
->hw
.tx_ant
= 0x3; /* mask, 2 antenna */
3945 ar
->hw
.rx_ant
= 0x3;
3947 ath6kl_band_2ghz
.ht_cap
.mcs
.rx_mask
[0] = 0xff;
3948 ath6kl_band_5ghz
.ht_cap
.mcs
.rx_mask
[0] = 0xff;
3953 wiphy
->available_antennas_tx
= ar
->hw
.tx_ant
;
3954 wiphy
->available_antennas_rx
= ar
->hw
.rx_ant
;
3957 wiphy
->bands
[NL80211_BAND_2GHZ
] = &ath6kl_band_2ghz
;
3959 wiphy
->bands
[NL80211_BAND_5GHZ
] = &ath6kl_band_5ghz
;
3961 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_MBM
;
3963 wiphy
->cipher_suites
= cipher_suites
;
3964 wiphy
->n_cipher_suites
= ARRAY_SIZE(cipher_suites
);
3967 wiphy
->wowlan
= &ath6kl_wowlan_support
;
3970 wiphy
->max_sched_scan_ssids
= MAX_PROBED_SSIDS
;
3972 ar
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_FW_ROAM
|
3973 WIPHY_FLAG_HAVE_AP_SME
|
3974 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
|
3975 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
;
3977 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2
, ar
->fw_capabilities
))
3978 ar
->wiphy
->flags
|= WIPHY_FLAG_SUPPORTS_SCHED_SCAN
;
3980 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT
,
3981 ar
->fw_capabilities
))
3982 ar
->wiphy
->features
|= NL80211_FEATURE_INACTIVITY_TIMER
;
3984 ar
->wiphy
->probe_resp_offload
=
3985 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS
|
3986 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2
|
3987 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P
;
3989 ret
= wiphy_register(wiphy
);
3991 ath6kl_err("couldn't register wiphy device\n");
3995 ar
->wiphy_registered
= true;
4000 void ath6kl_cfg80211_cleanup(struct ath6kl
*ar
)
4002 wiphy_unregister(ar
->wiphy
);
4004 ar
->wiphy_registered
= false;
4007 struct ath6kl
*ath6kl_cfg80211_create(void)
4010 struct wiphy
*wiphy
;
4012 /* create a new wiphy for use with cfg80211 */
4013 wiphy
= wiphy_new(&ath6kl_cfg80211_ops
, sizeof(struct ath6kl
));
4016 ath6kl_err("couldn't allocate wiphy device\n");
4020 ar
= wiphy_priv(wiphy
);
4026 /* Note: ar variable must not be accessed after calling this! */
4027 void ath6kl_cfg80211_destroy(struct ath6kl
*ar
)
4031 for (i
= 0; i
< AP_MAX_NUM_STA
; i
++)
4032 kfree(ar
->sta_list
[i
].aggr_conn
);
4034 wiphy_free(ar
->wiphy
);