2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 #include <linux/moduleparam.h>
21 #include <linux/inetdevice.h>
22 #include <linux/export.h>
30 #define RATETAB_ENT(_rate, _rateid, _flags) { \
33 .hw_value = (_rateid), \
36 #define CHAN2G(_channel, _freq, _flags) { \
37 .band = IEEE80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
41 .max_antenna_gain = 0, \
45 #define CHAN5G(_channel, _flags) { \
46 .band = IEEE80211_BAND_5GHZ, \
47 .hw_value = (_channel), \
48 .center_freq = 5000 + (5 * (_channel)), \
50 .max_antenna_gain = 0, \
54 #define DEFAULT_BG_SCAN_PERIOD 60
56 struct ath6kl_cfg80211_match_probe_ssid {
57 struct cfg80211_ssid ssid;
61 static struct ieee80211_rate ath6kl_rates[] = {
62 RATETAB_ENT(10, 0x1, 0),
63 RATETAB_ENT(20, 0x2, 0),
64 RATETAB_ENT(55, 0x4, 0),
65 RATETAB_ENT(110, 0x8, 0),
66 RATETAB_ENT(60, 0x10, 0),
67 RATETAB_ENT(90, 0x20, 0),
68 RATETAB_ENT(120, 0x40, 0),
69 RATETAB_ENT(180, 0x80, 0),
70 RATETAB_ENT(240, 0x100, 0),
71 RATETAB_ENT(360, 0x200, 0),
72 RATETAB_ENT(480, 0x400, 0),
73 RATETAB_ENT(540, 0x800, 0),
76 #define ath6kl_a_rates (ath6kl_rates + 4)
77 #define ath6kl_a_rates_size 8
78 #define ath6kl_g_rates (ath6kl_rates + 0)
79 #define ath6kl_g_rates_size 12
81 #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
82 #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
83 IEEE80211_HT_CAP_SGI_20 | \
84 IEEE80211_HT_CAP_SGI_40)
86 static struct ieee80211_channel ath6kl_2ghz_channels[] = {
103 static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
104 CHAN5G(34, 0), CHAN5G(36, 0),
105 CHAN5G(38, 0), CHAN5G(40, 0),
106 CHAN5G(42, 0), CHAN5G(44, 0),
107 CHAN5G(46, 0), CHAN5G(48, 0),
108 CHAN5G(52, 0), CHAN5G(56, 0),
109 CHAN5G(60, 0), CHAN5G(64, 0),
110 CHAN5G(100, 0), CHAN5G(104, 0),
111 CHAN5G(108, 0), CHAN5G(112, 0),
112 CHAN5G(116, 0), CHAN5G(120, 0),
113 CHAN5G(124, 0), CHAN5G(128, 0),
114 CHAN5G(132, 0), CHAN5G(136, 0),
115 CHAN5G(140, 0), CHAN5G(149, 0),
116 CHAN5G(153, 0), CHAN5G(157, 0),
117 CHAN5G(161, 0), CHAN5G(165, 0),
118 CHAN5G(184, 0), CHAN5G(188, 0),
119 CHAN5G(192, 0), CHAN5G(196, 0),
120 CHAN5G(200, 0), CHAN5G(204, 0),
121 CHAN5G(208, 0), CHAN5G(212, 0),
125 static struct ieee80211_supported_band ath6kl_band_2ghz = {
126 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
127 .channels = ath6kl_2ghz_channels,
128 .n_bitrates = ath6kl_g_rates_size,
129 .bitrates = ath6kl_g_rates,
130 .ht_cap.cap = ath6kl_g_htcap,
131 .ht_cap.ht_supported = true,
134 static struct ieee80211_supported_band ath6kl_band_5ghz = {
135 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
136 .channels = ath6kl_5ghz_a_channels,
137 .n_bitrates = ath6kl_a_rates_size,
138 .bitrates = ath6kl_a_rates,
139 .ht_cap.cap = ath6kl_a_htcap,
140 .ht_cap.ht_supported = true,
143 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
145 /* returns true if scheduled scan was stopped */
146 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
148 struct ath6kl *ar = vif->ar;
150 if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
153 del_timer_sync(&vif->sched_scan_timer);
155 if (ar->state == ATH6KL_STATE_RECOVERY)
158 ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
163 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
165 struct ath6kl *ar = vif->ar;
168 stopped = __ath6kl_cfg80211_sscan_stop(vif);
173 cfg80211_sched_scan_stopped(ar->wiphy);
176 static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
177 enum nl80211_wpa_versions wpa_version)
179 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
182 vif->auth_mode = NONE_AUTH;
183 } else if (wpa_version & NL80211_WPA_VERSION_2) {
184 vif->auth_mode = WPA2_AUTH;
185 } else if (wpa_version & NL80211_WPA_VERSION_1) {
186 vif->auth_mode = WPA_AUTH;
188 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
195 static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
196 enum nl80211_auth_type auth_type)
198 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
201 case NL80211_AUTHTYPE_OPEN_SYSTEM:
202 vif->dot11_auth_mode = OPEN_AUTH;
204 case NL80211_AUTHTYPE_SHARED_KEY:
205 vif->dot11_auth_mode = SHARED_AUTH;
207 case NL80211_AUTHTYPE_NETWORK_EAP:
208 vif->dot11_auth_mode = LEAP_AUTH;
211 case NL80211_AUTHTYPE_AUTOMATIC:
212 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
216 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
223 static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
225 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
226 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
227 &vif->grp_crypto_len;
229 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
230 __func__, cipher, ucast);
234 /* our own hack to use value 0 as no crypto used */
235 *ar_cipher = NONE_CRYPT;
238 case WLAN_CIPHER_SUITE_WEP40:
239 *ar_cipher = WEP_CRYPT;
242 case WLAN_CIPHER_SUITE_WEP104:
243 *ar_cipher = WEP_CRYPT;
246 case WLAN_CIPHER_SUITE_TKIP:
247 *ar_cipher = TKIP_CRYPT;
250 case WLAN_CIPHER_SUITE_CCMP:
251 *ar_cipher = AES_CRYPT;
254 case WLAN_CIPHER_SUITE_SMS4:
255 *ar_cipher = WAPI_CRYPT;
259 ath6kl_err("cipher 0x%x not supported\n", cipher);
266 static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
268 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
270 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
271 if (vif->auth_mode == WPA_AUTH)
272 vif->auth_mode = WPA_PSK_AUTH;
273 else if (vif->auth_mode == WPA2_AUTH)
274 vif->auth_mode = WPA2_PSK_AUTH;
275 } else if (key_mgmt == 0x00409600) {
276 if (vif->auth_mode == WPA_AUTH)
277 vif->auth_mode = WPA_AUTH_CCKM;
278 else if (vif->auth_mode == WPA2_AUTH)
279 vif->auth_mode = WPA2_AUTH_CCKM;
280 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
281 vif->auth_mode = NONE_AUTH;
285 static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
287 struct ath6kl *ar = vif->ar;
289 if (!test_bit(WMI_READY, &ar->flag)) {
290 ath6kl_err("wmi is not ready\n");
294 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
295 ath6kl_err("wlan disabled\n");
302 static bool ath6kl_is_wpa_ie(const u8 *pos)
304 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
305 pos[2] == 0x00 && pos[3] == 0x50 &&
306 pos[4] == 0xf2 && pos[5] == 0x01;
309 static bool ath6kl_is_rsn_ie(const u8 *pos)
311 return pos[0] == WLAN_EID_RSN;
314 static bool ath6kl_is_wps_ie(const u8 *pos)
316 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
318 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
322 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
325 struct ath6kl *ar = vif->ar;
332 * Clear previously set flag
335 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
338 * Filter out RSN/WPA IE(s)
341 if (ies && ies_len) {
342 buf = kmalloc(ies_len, GFP_KERNEL);
347 while (pos + 1 < ies + ies_len) {
348 if (pos + 2 + pos[1] > ies + ies_len)
350 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
351 memcpy(buf + len, pos, 2 + pos[1]);
355 if (ath6kl_is_wps_ie(pos))
356 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
362 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
363 WMI_FRAME_ASSOC_REQ, buf, len);
368 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
371 case NL80211_IFTYPE_STATION:
372 case NL80211_IFTYPE_P2P_CLIENT:
373 *nw_type = INFRA_NETWORK;
375 case NL80211_IFTYPE_ADHOC:
376 *nw_type = ADHOC_NETWORK;
378 case NL80211_IFTYPE_AP:
379 case NL80211_IFTYPE_P2P_GO:
380 *nw_type = AP_NETWORK;
383 ath6kl_err("invalid interface type %u\n", type);
390 static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
391 u8 *if_idx, u8 *nw_type)
395 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
398 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
402 if (type == NL80211_IFTYPE_STATION ||
403 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
404 for (i = 0; i < ar->vif_max; i++) {
405 if ((ar->avail_idx_map >> i) & BIT(0)) {
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 >> i) & BIT(0)) {
425 static bool ath6kl_is_tx_pending(struct ath6kl *ar)
427 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
431 static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
432 struct cfg80211_connect_params *sme)
434 struct ath6kl *ar = ath6kl_priv(dev);
435 struct ath6kl_vif *vif = netdev_priv(dev);
437 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
440 ath6kl_cfg80211_sscan_disable(vif);
442 vif->sme_state = SME_CONNECTING;
444 if (!ath6kl_cfg80211_ready(vif))
447 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
448 ath6kl_err("destroy in progress\n");
452 if (test_bit(SKIP_SCAN, &ar->flag) &&
453 ((sme->channel && sme->channel->center_freq == 0) ||
454 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
455 ath6kl_err("SkipScan: channel or bssid invalid\n");
459 if (down_interruptible(&ar->sem)) {
460 ath6kl_err("busy, couldn't get access\n");
464 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
465 ath6kl_err("busy, destroy in progress\n");
470 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
472 * sleep until the command queue drains
474 wait_event_interruptible_timeout(ar->event_wq,
475 ath6kl_is_tx_pending(ar),
477 if (signal_pending(current)) {
478 ath6kl_err("cmd queue drain timeout\n");
484 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
490 if (sme->ie == NULL || sme->ie_len == 0)
491 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
493 if (test_bit(CONNECTED, &vif->flags) &&
494 vif->ssid_len == sme->ssid_len &&
495 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
496 vif->reconnect_flag = true;
497 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
503 ath6kl_err("wmi_reconnect_cmd failed\n");
507 } else if (vif->ssid_len == sme->ssid_len &&
508 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
509 ath6kl_disconnect(vif);
512 memset(vif->ssid, 0, sizeof(vif->ssid));
513 vif->ssid_len = sme->ssid_len;
514 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
517 vif->ch_hint = sme->channel->center_freq;
519 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
520 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
521 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
523 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
525 status = ath6kl_set_auth_type(vif, sme->auth_type);
531 if (sme->crypto.n_ciphers_pairwise)
532 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
534 ath6kl_set_cipher(vif, 0, true);
536 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
538 if (sme->crypto.n_akm_suites)
539 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
541 if ((sme->key_len) &&
542 (vif->auth_mode == NONE_AUTH) &&
543 (vif->prwise_crypto == WEP_CRYPT)) {
544 struct ath6kl_key *key = NULL;
546 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
547 ath6kl_err("key index %d out of bounds\n",
553 key = &vif->keys[sme->key_idx];
554 key->key_len = sme->key_len;
555 memcpy(key->key, sme->key, key->key_len);
556 key->cipher = vif->prwise_crypto;
557 vif->def_txkey_index = sme->key_idx;
559 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
561 GROUP_USAGE | TX_USAGE,
564 key->key, KEY_OP_INIT_VAL, NULL,
568 if (!ar->usr_bss_filter) {
569 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
570 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
571 ALL_BSS_FILTER, 0) != 0) {
572 ath6kl_err("couldn't set bss filtering\n");
578 vif->nw_type = vif->next_mode;
580 /* enable enhanced bmiss detection if applicable */
581 ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
583 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
584 nw_subtype = SUBTYPE_P2PCLIENT;
586 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
587 "%s: connect called with authmode %d dot11 auth %d"
588 " PW crypto %d PW crypto len %d GRP crypto %d"
589 " GRP crypto len %d channel hint %u\n",
591 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
592 vif->prwise_crypto_len, vif->grp_crypto,
593 vif->grp_crypto_len, vif->ch_hint);
595 vif->reconnect_flag = 0;
597 if (vif->nw_type == INFRA_NETWORK) {
598 interval = max_t(u16, vif->listen_intvl_t,
599 ATH6KL_MAX_WOW_LISTEN_INTL);
600 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
604 ath6kl_err("couldn't set listen intervel\n");
610 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
611 vif->dot11_auth_mode, vif->auth_mode,
613 vif->prwise_crypto_len,
614 vif->grp_crypto, vif->grp_crypto_len,
615 vif->ssid_len, vif->ssid,
616 vif->req_bssid, vif->ch_hint,
617 ar->connect_ctrl_flags, nw_subtype);
619 /* disable background scan if period is 0 */
620 if (sme->bg_scan_period == 0)
621 sme->bg_scan_period = 0xffff;
623 /* configure default value if not specified */
624 if (sme->bg_scan_period == -1)
625 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
627 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0,
628 sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
632 if (status == -EINVAL) {
633 memset(vif->ssid, 0, sizeof(vif->ssid));
635 ath6kl_err("invalid request\n");
638 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
642 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
643 ((vif->auth_mode == WPA_PSK_AUTH) ||
644 (vif->auth_mode == WPA2_PSK_AUTH))) {
645 mod_timer(&vif->disconnect_timer,
646 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
649 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
650 set_bit(CONNECT_PEND, &vif->flags);
655 static struct cfg80211_bss *
656 ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
657 enum network_type nw_type,
659 struct ieee80211_channel *chan,
661 size_t beacon_ie_len)
663 struct ath6kl *ar = vif->ar;
664 struct cfg80211_bss *bss;
665 u16 cap_mask, cap_val;
668 if (nw_type & ADHOC_NETWORK) {
669 cap_mask = WLAN_CAPABILITY_IBSS;
670 cap_val = WLAN_CAPABILITY_IBSS;
672 cap_mask = WLAN_CAPABILITY_ESS;
673 cap_val = WLAN_CAPABILITY_ESS;
676 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
677 vif->ssid, vif->ssid_len,
681 * Since cfg80211 may not yet know about the BSS,
682 * generate a partial entry until the first BSS info
683 * event becomes available.
685 * Prepend SSID element since it is not included in the Beacon
686 * IEs from the target.
688 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
691 ie[0] = WLAN_EID_SSID;
692 ie[1] = vif->ssid_len;
693 memcpy(ie + 2, vif->ssid, vif->ssid_len);
694 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
695 bss = cfg80211_inform_bss(ar->wiphy, chan,
696 bssid, 0, cap_val, 100,
697 ie, 2 + vif->ssid_len + beacon_ie_len,
700 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
701 "added bss %pM to cfg80211\n", bssid);
704 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
709 void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
710 u8 *bssid, u16 listen_intvl,
712 enum network_type nw_type,
713 u8 beacon_ie_len, u8 assoc_req_len,
714 u8 assoc_resp_len, u8 *assoc_info)
716 struct ieee80211_channel *chan;
717 struct ath6kl *ar = vif->ar;
718 struct cfg80211_bss *bss;
720 /* capinfo + listen interval */
721 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
723 /* capinfo + status code + associd */
724 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
726 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
727 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
728 assoc_resp_ie_offset;
730 assoc_req_len -= assoc_req_ie_offset;
731 assoc_resp_len -= assoc_resp_ie_offset;
734 * Store Beacon interval here; DTIM period will be available only once
735 * a Beacon frame from the AP is seen.
737 vif->assoc_bss_beacon_int = beacon_intvl;
738 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
740 if (nw_type & ADHOC_NETWORK) {
741 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
742 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
743 "%s: ath6k not in ibss mode\n", __func__);
748 if (nw_type & INFRA_NETWORK) {
749 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
750 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
751 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
752 "%s: ath6k not in station mode\n", __func__);
757 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
759 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
760 assoc_info, beacon_ie_len);
762 ath6kl_err("could not add cfg80211 bss entry\n");
766 if (nw_type & ADHOC_NETWORK) {
767 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
768 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
769 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
770 cfg80211_put_bss(bss);
774 if (vif->sme_state == SME_CONNECTING) {
775 /* inform connect result to cfg80211 */
776 vif->sme_state = SME_CONNECTED;
777 cfg80211_connect_result(vif->ndev, bssid,
778 assoc_req_ie, assoc_req_len,
779 assoc_resp_ie, assoc_resp_len,
780 WLAN_STATUS_SUCCESS, GFP_KERNEL);
781 cfg80211_put_bss(bss);
782 } else if (vif->sme_state == SME_CONNECTED) {
783 /* inform roam event to cfg80211 */
784 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
785 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
789 static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
790 struct net_device *dev, u16 reason_code)
792 struct ath6kl *ar = ath6kl_priv(dev);
793 struct ath6kl_vif *vif = netdev_priv(dev);
795 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
798 ath6kl_cfg80211_sscan_disable(vif);
800 if (!ath6kl_cfg80211_ready(vif))
803 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
804 ath6kl_err("busy, destroy in progress\n");
808 if (down_interruptible(&ar->sem)) {
809 ath6kl_err("busy, couldn't get access\n");
813 vif->reconnect_flag = 0;
814 ath6kl_disconnect(vif);
815 memset(vif->ssid, 0, sizeof(vif->ssid));
818 if (!test_bit(SKIP_SCAN, &ar->flag))
819 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
823 vif->sme_state = SME_DISCONNECTED;
828 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
829 u8 *bssid, u8 assoc_resp_len,
830 u8 *assoc_info, u16 proto_reason)
832 struct ath6kl *ar = vif->ar;
835 cfg80211_scan_done(vif->scan_req, true);
836 vif->scan_req = NULL;
839 if (vif->nw_type & ADHOC_NETWORK) {
840 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
841 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
842 "%s: ath6k not in ibss mode\n", __func__);
845 memset(bssid, 0, ETH_ALEN);
846 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
850 if (vif->nw_type & INFRA_NETWORK) {
851 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
852 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
853 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
854 "%s: ath6k not in station mode\n", __func__);
859 clear_bit(CONNECT_PEND, &vif->flags);
861 if (vif->sme_state == SME_CONNECTING) {
862 cfg80211_connect_result(vif->ndev,
865 WLAN_STATUS_UNSPECIFIED_FAILURE,
867 } else if (vif->sme_state == SME_CONNECTED) {
868 cfg80211_disconnected(vif->ndev, proto_reason,
869 NULL, 0, GFP_KERNEL);
872 vif->sme_state = SME_DISCONNECTED;
875 * Send a disconnect command to target when a disconnect event is
876 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
877 * request from host) to make the firmware stop trying to connect even
878 * after giving disconnect event. There will be one more disconnect
879 * event for this disconnect command with reason code DISCONNECT_CMD
880 * which won't be notified to cfg80211.
882 if (reason != DISCONNECT_CMD)
883 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
886 static int ath6kl_set_probed_ssids(struct ath6kl *ar,
887 struct ath6kl_vif *vif,
888 struct cfg80211_ssid *ssids, int n_ssids,
889 struct cfg80211_match_set *match_set,
892 u8 i, j, index_to_add, ssid_found = false;
893 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
895 memset(ssid_list, 0, sizeof(ssid_list));
897 if (n_ssids > MAX_PROBED_SSIDS ||
898 n_match_ssid > MAX_PROBED_SSIDS)
901 for (i = 0; i < n_ssids; i++) {
902 memcpy(ssid_list[i].ssid.ssid,
905 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
907 if (ssids[i].ssid_len)
908 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
910 ssid_list[i].flag = ANY_SSID_FLAG;
912 if (n_match_ssid == 0)
913 ssid_list[i].flag |= MATCH_SSID_FLAG;
918 for (i = 0; i < n_match_ssid; i++) {
921 for (j = 0; j < n_ssids; j++) {
922 if ((match_set[i].ssid.ssid_len ==
923 ssid_list[j].ssid.ssid_len) &&
924 (!memcmp(ssid_list[j].ssid.ssid,
925 match_set[i].ssid.ssid,
926 match_set[i].ssid.ssid_len))) {
927 ssid_list[j].flag |= MATCH_SSID_FLAG;
936 if (index_to_add >= MAX_PROBED_SSIDS)
939 ssid_list[index_to_add].ssid.ssid_len =
940 match_set[i].ssid.ssid_len;
941 memcpy(ssid_list[index_to_add].ssid.ssid,
942 match_set[i].ssid.ssid,
943 match_set[i].ssid.ssid_len);
944 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
948 for (i = 0; i < index_to_add; i++) {
949 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
951 ssid_list[i].ssid.ssid_len,
952 ssid_list[i].ssid.ssid);
956 /* Make sure no old entries are left behind */
957 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
958 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
959 DISABLE_SSID_FLAG, 0, NULL);
965 static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
966 struct cfg80211_scan_request *request)
968 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
969 struct ath6kl *ar = ath6kl_priv(vif->ndev);
971 u16 *channels = NULL;
973 u32 force_fg_scan = 0;
975 if (!ath6kl_cfg80211_ready(vif))
978 ath6kl_cfg80211_sscan_disable(vif);
980 if (!ar->usr_bss_filter) {
981 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
982 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
985 ath6kl_err("couldn't set bss filtering\n");
990 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
991 request->n_ssids, NULL, 0);
995 /* this also clears IE in fw if it's not set */
996 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
998 request->ie, request->ie_len);
1000 ath6kl_err("failed to set Probe Request appie for scan\n");
1005 * Scan only the requested channels if the request specifies a set of
1006 * channels. If the list is longer than the target supports, do not
1007 * configure the list and instead, scan all available channels.
1009 if (request->n_channels > 0 &&
1010 request->n_channels <= WMI_MAX_CHANNELS) {
1013 n_channels = request->n_channels;
1015 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1016 if (channels == NULL) {
1017 ath6kl_warn("failed to set scan channels, scan all channels");
1021 for (i = 0; i < n_channels; i++)
1022 channels[i] = request->channels[i]->center_freq;
1025 if (test_bit(CONNECTED, &vif->flags))
1028 vif->scan_req = request;
1030 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1031 WMI_LONG_SCAN, force_fg_scan,
1033 ATH6KL_FG_SCAN_INTERVAL,
1034 n_channels, channels,
1038 ath6kl_err("failed to start scan: %d\n", ret);
1039 vif->scan_req = NULL;
1047 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1049 struct ath6kl *ar = vif->ar;
1052 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1053 aborted ? " aborted" : "");
1061 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1062 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1063 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1064 i + 1, DISABLE_SSID_FLAG,
1070 cfg80211_scan_done(vif->scan_req, aborted);
1071 vif->scan_req = NULL;
1074 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1075 enum wmi_phy_mode mode)
1077 enum nl80211_channel_type type;
1079 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1080 "channel switch notify nw_type %d freq %d mode %d\n",
1081 vif->nw_type, freq, mode);
1083 type = (mode == WMI_11G_HT20) ? NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT;
1085 cfg80211_ch_switch_notify(vif->ndev, freq, type);
1088 static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1089 u8 key_index, bool pairwise,
1091 struct key_params *params)
1093 struct ath6kl *ar = ath6kl_priv(ndev);
1094 struct ath6kl_vif *vif = netdev_priv(ndev);
1095 struct ath6kl_key *key = NULL;
1100 if (!ath6kl_cfg80211_ready(vif))
1103 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1104 if (params->key_len != WMI_KRK_LEN)
1106 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1110 if (key_index > WMI_MAX_KEY_INDEX) {
1111 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1112 "%s: key index %d out of bounds\n", __func__,
1117 key = &vif->keys[key_index];
1118 memset(key, 0, sizeof(struct ath6kl_key));
1121 key_usage = PAIRWISE_USAGE;
1123 key_usage = GROUP_USAGE;
1125 seq_len = params->seq_len;
1126 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1127 seq_len > ATH6KL_KEY_SEQ_LEN) {
1128 /* Only first half of the WPI PN is configured */
1129 seq_len = ATH6KL_KEY_SEQ_LEN;
1131 if (params->key_len > WLAN_MAX_KEY_LEN ||
1132 seq_len > sizeof(key->seq))
1135 key->key_len = params->key_len;
1136 memcpy(key->key, params->key, key->key_len);
1137 key->seq_len = seq_len;
1138 memcpy(key->seq, params->seq, key->seq_len);
1139 key->cipher = params->cipher;
1141 switch (key->cipher) {
1142 case WLAN_CIPHER_SUITE_WEP40:
1143 case WLAN_CIPHER_SUITE_WEP104:
1144 key_type = WEP_CRYPT;
1147 case WLAN_CIPHER_SUITE_TKIP:
1148 key_type = TKIP_CRYPT;
1151 case WLAN_CIPHER_SUITE_CCMP:
1152 key_type = AES_CRYPT;
1154 case WLAN_CIPHER_SUITE_SMS4:
1155 key_type = WAPI_CRYPT;
1162 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1163 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1164 (key_usage & GROUP_USAGE))
1165 del_timer(&vif->disconnect_timer);
1167 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1168 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1169 __func__, key_index, key->key_len, key_type,
1170 key_usage, key->seq_len);
1172 if (vif->nw_type == AP_NETWORK && !pairwise &&
1173 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1174 key_type == WAPI_CRYPT)) {
1175 ar->ap_mode_bkey.valid = true;
1176 ar->ap_mode_bkey.key_index = key_index;
1177 ar->ap_mode_bkey.key_type = key_type;
1178 ar->ap_mode_bkey.key_len = key->key_len;
1179 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1180 if (!test_bit(CONNECTED, &vif->flags)) {
1181 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1182 "Delay initial group key configuration until AP mode has been started\n");
1184 * The key will be set in ath6kl_connect_ap_mode() once
1185 * the connected event is received from the target.
1191 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1192 !test_bit(CONNECTED, &vif->flags)) {
1194 * Store the key locally so that it can be re-configured after
1195 * the AP mode has properly started
1196 * (ath6kl_install_statioc_wep_keys).
1198 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1199 "Delay WEP key configuration until AP mode has been started\n");
1200 vif->wep_key_list[key_index].key_len = key->key_len;
1201 memcpy(vif->wep_key_list[key_index].key, key->key,
1206 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1207 key_type, key_usage, key->key_len,
1208 key->seq, key->seq_len, key->key,
1210 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1213 static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1214 u8 key_index, bool pairwise,
1217 struct ath6kl *ar = ath6kl_priv(ndev);
1218 struct ath6kl_vif *vif = netdev_priv(ndev);
1220 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1222 if (!ath6kl_cfg80211_ready(vif))
1225 if (key_index > WMI_MAX_KEY_INDEX) {
1226 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1227 "%s: key index %d out of bounds\n", __func__,
1232 if (!vif->keys[key_index].key_len) {
1233 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1234 "%s: index %d is empty\n", __func__, key_index);
1238 vif->keys[key_index].key_len = 0;
1240 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1243 static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1244 u8 key_index, bool pairwise,
1245 const u8 *mac_addr, void *cookie,
1246 void (*callback) (void *cookie,
1247 struct key_params *))
1249 struct ath6kl_vif *vif = netdev_priv(ndev);
1250 struct ath6kl_key *key = NULL;
1251 struct key_params params;
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 key = &vif->keys[key_index];
1266 memset(¶ms, 0, sizeof(params));
1267 params.cipher = key->cipher;
1268 params.key_len = key->key_len;
1269 params.seq_len = key->seq_len;
1270 params.seq = key->seq;
1271 params.key = key->key;
1273 callback(cookie, ¶ms);
1275 return key->key_len ? 0 : -ENOENT;
1278 static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1279 struct net_device *ndev,
1280 u8 key_index, bool unicast,
1283 struct ath6kl *ar = ath6kl_priv(ndev);
1284 struct ath6kl_vif *vif = netdev_priv(ndev);
1285 struct ath6kl_key *key = NULL;
1287 enum crypto_type key_type = NONE_CRYPT;
1289 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1291 if (!ath6kl_cfg80211_ready(vif))
1294 if (key_index > WMI_MAX_KEY_INDEX) {
1295 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1296 "%s: key index %d out of bounds\n",
1297 __func__, key_index);
1301 if (!vif->keys[key_index].key_len) {
1302 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1303 __func__, key_index);
1307 vif->def_txkey_index = key_index;
1308 key = &vif->keys[vif->def_txkey_index];
1309 key_usage = GROUP_USAGE;
1310 if (vif->prwise_crypto == WEP_CRYPT)
1311 key_usage |= TX_USAGE;
1313 key_type = vif->prwise_crypto;
1315 key_type = vif->grp_crypto;
1317 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1318 return 0; /* Delay until AP mode has been started */
1320 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1321 vif->def_txkey_index,
1322 key_type, key_usage,
1323 key->key_len, key->seq, key->seq_len,
1325 KEY_OP_INIT_VAL, NULL,
1329 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1332 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1333 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1335 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1336 (ismcast ? NL80211_KEYTYPE_GROUP :
1337 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1341 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1343 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1344 struct ath6kl_vif *vif;
1347 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1350 vif = ath6kl_vif_first(ar);
1354 if (!ath6kl_cfg80211_ready(vif))
1357 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1358 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1360 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1369 * The type nl80211_tx_power_setting replaces the following
1370 * data type from 2.6.36 onwards
1372 static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1373 enum nl80211_tx_power_setting type,
1376 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1377 struct ath6kl_vif *vif;
1378 int dbm = MBM_TO_DBM(mbm);
1380 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1383 vif = ath6kl_vif_first(ar);
1387 if (!ath6kl_cfg80211_ready(vif))
1391 case NL80211_TX_POWER_AUTOMATIC:
1393 case NL80211_TX_POWER_LIMITED:
1397 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1402 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
1407 static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
1409 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1410 struct ath6kl_vif *vif;
1412 vif = ath6kl_vif_first(ar);
1416 if (!ath6kl_cfg80211_ready(vif))
1419 if (test_bit(CONNECTED, &vif->flags)) {
1422 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1423 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1427 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1430 if (signal_pending(current)) {
1431 ath6kl_err("target did not respond\n");
1440 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1441 struct net_device *dev,
1442 bool pmgmt, int timeout)
1444 struct ath6kl *ar = ath6kl_priv(dev);
1445 struct wmi_power_mode_cmd mode;
1446 struct ath6kl_vif *vif = netdev_priv(dev);
1448 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1449 __func__, pmgmt, timeout);
1451 if (!ath6kl_cfg80211_ready(vif))
1455 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1456 mode.pwr_mode = REC_POWER;
1458 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1459 mode.pwr_mode = MAX_PERF_POWER;
1462 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1463 mode.pwr_mode) != 0) {
1464 ath6kl_err("wmi_powermode_cmd failed\n");
1471 static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1473 enum nl80211_iftype type,
1475 struct vif_params *params)
1477 struct ath6kl *ar = wiphy_priv(wiphy);
1478 struct wireless_dev *wdev;
1481 if (ar->num_vif == ar->vif_max) {
1482 ath6kl_err("Reached maximum number of supported vif\n");
1483 return ERR_PTR(-EINVAL);
1486 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1487 ath6kl_err("Not a supported interface type\n");
1488 return ERR_PTR(-EINVAL);
1491 wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1493 return ERR_PTR(-ENOMEM);
1500 static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1501 struct wireless_dev *wdev)
1503 struct ath6kl *ar = wiphy_priv(wiphy);
1504 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
1506 spin_lock_bh(&ar->list_lock);
1507 list_del(&vif->list);
1508 spin_unlock_bh(&ar->list_lock);
1510 ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
1512 ath6kl_cfg80211_vif_cleanup(vif);
1517 static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1518 struct net_device *ndev,
1519 enum nl80211_iftype type, u32 *flags,
1520 struct vif_params *params)
1522 struct ath6kl_vif *vif = netdev_priv(ndev);
1525 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1528 * Don't bring up p2p on an interface which is not initialized
1529 * for p2p operation where fw does not have capability to switch
1530 * dynamically between non-p2p and p2p type interface.
1532 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1533 vif->ar->fw_capabilities) &&
1534 (type == NL80211_IFTYPE_P2P_CLIENT ||
1535 type == NL80211_IFTYPE_P2P_GO)) {
1536 if (vif->ar->vif_max == 1) {
1537 if (vif->fw_vif_idx != 0)
1540 goto set_iface_type;
1543 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1544 if (i == vif->fw_vif_idx)
1548 if (i == vif->ar->vif_max) {
1549 ath6kl_err("Invalid interface to bring up P2P\n");
1554 /* need to clean up enhanced bmiss detection fw state */
1555 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1559 case NL80211_IFTYPE_STATION:
1560 vif->next_mode = INFRA_NETWORK;
1562 case NL80211_IFTYPE_ADHOC:
1563 vif->next_mode = ADHOC_NETWORK;
1565 case NL80211_IFTYPE_AP:
1566 vif->next_mode = AP_NETWORK;
1568 case NL80211_IFTYPE_P2P_CLIENT:
1569 vif->next_mode = INFRA_NETWORK;
1571 case NL80211_IFTYPE_P2P_GO:
1572 vif->next_mode = AP_NETWORK;
1575 ath6kl_err("invalid interface type %u\n", type);
1579 vif->wdev.iftype = type;
1584 static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1585 struct net_device *dev,
1586 struct cfg80211_ibss_params *ibss_param)
1588 struct ath6kl *ar = ath6kl_priv(dev);
1589 struct ath6kl_vif *vif = netdev_priv(dev);
1592 if (!ath6kl_cfg80211_ready(vif))
1595 vif->ssid_len = ibss_param->ssid_len;
1596 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
1598 if (ibss_param->channel)
1599 vif->ch_hint = ibss_param->channel->center_freq;
1601 if (ibss_param->channel_fixed) {
1603 * TODO: channel_fixed: The channel should be fixed, do not
1604 * search for IBSSs to join on other channels. Target
1605 * firmware does not support this feature, needs to be
1611 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
1612 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
1613 memcpy(vif->req_bssid, ibss_param->bssid,
1614 sizeof(vif->req_bssid));
1616 ath6kl_set_wpa_version(vif, 0);
1618 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
1622 if (ibss_param->privacy) {
1623 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1624 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
1626 ath6kl_set_cipher(vif, 0, true);
1627 ath6kl_set_cipher(vif, 0, false);
1630 vif->nw_type = vif->next_mode;
1632 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1633 "%s: connect called with authmode %d dot11 auth %d"
1634 " PW crypto %d PW crypto len %d GRP crypto %d"
1635 " GRP crypto len %d channel hint %u\n",
1637 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1638 vif->prwise_crypto_len, vif->grp_crypto,
1639 vif->grp_crypto_len, vif->ch_hint);
1641 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
1642 vif->dot11_auth_mode, vif->auth_mode,
1644 vif->prwise_crypto_len,
1645 vif->grp_crypto, vif->grp_crypto_len,
1646 vif->ssid_len, vif->ssid,
1647 vif->req_bssid, vif->ch_hint,
1648 ar->connect_ctrl_flags, SUBTYPE_NONE);
1649 set_bit(CONNECT_PEND, &vif->flags);
1654 static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1655 struct net_device *dev)
1657 struct ath6kl_vif *vif = netdev_priv(dev);
1659 if (!ath6kl_cfg80211_ready(vif))
1662 ath6kl_disconnect(vif);
1663 memset(vif->ssid, 0, sizeof(vif->ssid));
1669 static const u32 cipher_suites[] = {
1670 WLAN_CIPHER_SUITE_WEP40,
1671 WLAN_CIPHER_SUITE_WEP104,
1672 WLAN_CIPHER_SUITE_TKIP,
1673 WLAN_CIPHER_SUITE_CCMP,
1674 CCKM_KRK_CIPHER_SUITE,
1675 WLAN_CIPHER_SUITE_SMS4,
1678 static bool is_rate_legacy(s32 rate)
1680 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1681 6000, 9000, 12000, 18000, 24000,
1686 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1687 if (rate == legacy[i])
1693 static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1695 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1696 52000, 58500, 65000, 72200
1700 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1701 if (rate == ht20[i]) {
1702 if (i == ARRAY_SIZE(ht20) - 1)
1703 /* last rate uses sgi */
1715 static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1717 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1718 81000, 108000, 121500, 135000,
1723 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1724 if (rate == ht40[i]) {
1725 if (i == ARRAY_SIZE(ht40) - 1)
1726 /* last rate uses sgi */
1739 static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1740 u8 *mac, struct station_info *sinfo)
1742 struct ath6kl *ar = ath6kl_priv(dev);
1743 struct ath6kl_vif *vif = netdev_priv(dev);
1750 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
1753 if (down_interruptible(&ar->sem))
1756 set_bit(STATS_UPDATE_PEND, &vif->flags);
1758 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
1765 left = wait_event_interruptible_timeout(ar->event_wq,
1766 !test_bit(STATS_UPDATE_PEND,
1777 if (vif->target_stats.rx_byte) {
1778 sinfo->rx_bytes = vif->target_stats.rx_byte;
1779 sinfo->filled |= STATION_INFO_RX_BYTES;
1780 sinfo->rx_packets = vif->target_stats.rx_pkt;
1781 sinfo->filled |= STATION_INFO_RX_PACKETS;
1784 if (vif->target_stats.tx_byte) {
1785 sinfo->tx_bytes = vif->target_stats.tx_byte;
1786 sinfo->filled |= STATION_INFO_TX_BYTES;
1787 sinfo->tx_packets = vif->target_stats.tx_pkt;
1788 sinfo->filled |= STATION_INFO_TX_PACKETS;
1791 sinfo->signal = vif->target_stats.cs_rssi;
1792 sinfo->filled |= STATION_INFO_SIGNAL;
1794 rate = vif->target_stats.tx_ucast_rate;
1796 if (is_rate_legacy(rate)) {
1797 sinfo->txrate.legacy = rate / 100;
1798 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1800 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1801 sinfo->txrate.mcs = mcs - 1;
1803 sinfo->txrate.mcs = mcs;
1806 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1807 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1809 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1810 sinfo->txrate.mcs = mcs - 1;
1812 sinfo->txrate.mcs = mcs;
1815 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
1816 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1818 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1819 "invalid rate from stats: %d\n", rate);
1820 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
1824 sinfo->filled |= STATION_INFO_TX_BITRATE;
1826 if (test_bit(CONNECTED, &vif->flags) &&
1827 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
1828 vif->nw_type == INFRA_NETWORK) {
1829 sinfo->filled |= STATION_INFO_BSS_PARAM;
1830 sinfo->bss_param.flags = 0;
1831 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1832 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
1838 static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1839 struct cfg80211_pmksa *pmksa)
1841 struct ath6kl *ar = ath6kl_priv(netdev);
1842 struct ath6kl_vif *vif = netdev_priv(netdev);
1844 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1845 pmksa->pmkid, true);
1848 static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1849 struct cfg80211_pmksa *pmksa)
1851 struct ath6kl *ar = ath6kl_priv(netdev);
1852 struct ath6kl_vif *vif = netdev_priv(netdev);
1854 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1855 pmksa->pmkid, false);
1858 static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1860 struct ath6kl *ar = ath6kl_priv(netdev);
1861 struct ath6kl_vif *vif = netdev_priv(netdev);
1863 if (test_bit(CONNECTED, &vif->flags))
1864 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1865 vif->bssid, NULL, false);
1869 static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1870 struct cfg80211_wowlan *wow, u32 *filter)
1873 u8 mask[WOW_PATTERN_SIZE];
1876 /* Configure the patterns that we received from the user. */
1877 for (i = 0; i < wow->n_patterns; i++) {
1880 * Convert given nl80211 specific mask value to equivalent
1881 * driver specific mask value and send it to the chip along
1882 * with patterns. For example, If the mask value defined in
1883 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1884 * then equivalent driver specific mask value is
1885 * "0xFF 0x00 0xFF 0x00".
1887 memset(&mask, 0, sizeof(mask));
1888 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1889 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1893 * Note: Pattern's offset is not passed as part of wowlan
1894 * parameter from CFG layer. So it's always passed as ZERO
1895 * to the firmware. It means, given WOW patterns are always
1896 * matched from the first byte of received pkt in the firmware.
1898 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1899 vif->fw_vif_idx, WOW_LIST_ID,
1900 wow->patterns[i].pattern_len,
1901 0 /* pattern offset */,
1902 wow->patterns[i].pattern, mask);
1907 if (wow->disconnect)
1908 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1911 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1913 if (wow->gtk_rekey_failure)
1914 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1916 if (wow->eap_identity_req)
1917 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1919 if (wow->four_way_handshake)
1920 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1925 static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1927 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1928 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1929 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1931 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1932 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1933 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1935 u8 unicst_offset = 0;
1936 static const u8 arp_pattern[] = { 0x08, 0x06 };
1937 static const u8 arp_mask[] = { 0xff, 0xff };
1939 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1940 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1941 u8 discvr_offset = 38;
1942 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1943 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1944 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1945 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1946 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1947 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1948 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1949 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1950 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1951 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1952 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1953 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1957 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1958 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1959 vif->fw_vif_idx, WOW_LIST_ID,
1960 sizeof(unicst_pattern), unicst_offset,
1961 unicst_pattern, unicst_mask);
1963 ath6kl_err("failed to add WOW unicast IP pattern\n");
1967 /* Setup all ARP pkt pattern */
1968 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1969 vif->fw_vif_idx, WOW_LIST_ID,
1970 sizeof(arp_pattern), arp_offset,
1971 arp_pattern, arp_mask);
1973 ath6kl_err("failed to add WOW ARP pattern\n");
1978 * Setup multicast pattern for mDNS 224.0.0.251,
1979 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
1981 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1982 vif->fw_vif_idx, WOW_LIST_ID,
1983 sizeof(discvr_pattern), discvr_offset,
1984 discvr_pattern, discvr_mask);
1986 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
1990 /* Setup all DHCP broadcast pkt pattern */
1991 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1992 vif->fw_vif_idx, WOW_LIST_ID,
1993 sizeof(dhcp_pattern), dhcp_offset,
1994 dhcp_pattern, dhcp_mask);
1996 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2003 static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2005 struct net_device *ndev = vif->ndev;
2006 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2007 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2008 u8 discvr_offset = 38;
2009 u8 mac_mask[ETH_ALEN];
2012 /* Setup unicast pkt pattern */
2013 memset(mac_mask, 0xff, ETH_ALEN);
2014 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2015 vif->fw_vif_idx, WOW_LIST_ID,
2016 ETH_ALEN, 0, ndev->dev_addr,
2019 ath6kl_err("failed to add WOW unicast pattern\n");
2024 * Setup multicast pattern for mDNS 224.0.0.251,
2025 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2027 if ((ndev->flags & IFF_ALLMULTI) ||
2028 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2029 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2030 vif->fw_vif_idx, WOW_LIST_ID,
2031 sizeof(discvr_pattern), discvr_offset,
2032 discvr_pattern, discvr_mask);
2034 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2042 static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2044 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2047 static bool is_ctrl_ep_empty(struct ath6kl *ar)
2049 return !ar->tx_pending[ar->ctrl_ep];
2052 static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2056 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2058 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2059 ATH6KL_HOST_MODE_ASLEEP);
2063 left = wait_event_interruptible_timeout(ar->event_wq,
2064 is_hsleep_mode_procsed(vif),
2067 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2069 } else if (left < 0) {
2070 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2075 if (ar->tx_pending[ar->ctrl_ep]) {
2076 left = wait_event_interruptible_timeout(ar->event_wq,
2077 is_ctrl_ep_empty(ar),
2080 ath6kl_warn("clear wmi ctrl data timeout\n");
2082 } else if (left < 0) {
2083 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2091 static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2092 struct cfg80211_wowlan *wow, u32 *filter)
2094 struct ath6kl *ar = vif->ar;
2095 struct in_device *in_dev;
2096 struct in_ifaddr *ifa;
2099 __be32 ips[MAX_IP_ADDRS];
2102 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2103 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2104 ar->fw_capabilities)) {
2105 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2106 vif->fw_vif_idx, false);
2111 /* Clear existing WOW patterns */
2112 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2113 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2117 * Skip the default WOW pattern configuration
2118 * if the driver receives any WOW patterns from
2122 ret = ath6kl_wow_usr(ar, vif, wow, filter);
2123 else if (vif->nw_type == AP_NETWORK)
2124 ret = ath6kl_wow_ap(ar, vif);
2126 ret = ath6kl_wow_sta(ar, vif);
2131 netif_stop_queue(vif->ndev);
2133 if (vif->nw_type != AP_NETWORK) {
2134 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2135 ATH6KL_MAX_WOW_LISTEN_INTL,
2140 /* Set listen interval x 15 times as bmiss time */
2141 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2142 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2143 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2145 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2150 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2151 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2157 /* Setup own IP addr for ARP agent. */
2158 in_dev = __in_dev_get_rtnl(vif->ndev);
2162 ifa = in_dev->ifa_list;
2163 memset(&ips, 0, sizeof(ips));
2165 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2166 while (index < MAX_IP_ADDRS && ifa) {
2167 ips[index] = ifa->ifa_local;
2168 ifa = ifa->ifa_next;
2173 ath6kl_err("total IP addr count is exceeding fw limit\n");
2177 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2179 ath6kl_err("fail to setup ip for arp agent\n");
2186 static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2188 struct ath6kl_vif *first_vif, *vif;
2191 bool connected = false;
2193 /* enter / leave wow suspend on first vif always */
2194 first_vif = ath6kl_vif_first(ar);
2195 if (WARN_ON(unlikely(!first_vif)) ||
2196 !ath6kl_cfg80211_ready(first_vif))
2199 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2202 /* install filters for each connected vif */
2203 spin_lock_bh(&ar->list_lock);
2204 list_for_each_entry(vif, &ar->vif_list, list) {
2205 if (!test_bit(CONNECTED, &vif->flags) ||
2206 !ath6kl_cfg80211_ready(vif))
2210 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2214 spin_unlock_bh(&ar->list_lock);
2221 ar->state = ATH6KL_STATE_SUSPENDING;
2223 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
2224 ATH6KL_WOW_MODE_ENABLE,
2226 WOW_HOST_REQ_DELAY);
2230 return ath6kl_cfg80211_host_sleep(ar, first_vif);
2233 static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
2235 struct ath6kl *ar = vif->ar;
2238 if (vif->nw_type != AP_NETWORK) {
2239 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2240 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2244 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2245 vif->listen_intvl_t, 0);
2249 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2250 vif->bmiss_time_t, 0);
2255 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2256 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2257 ar->fw_capabilities)) {
2258 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2259 vif->fw_vif_idx, true);
2264 netif_wake_queue(vif->ndev);
2269 static int ath6kl_wow_resume(struct ath6kl *ar)
2271 struct ath6kl_vif *vif;
2274 vif = ath6kl_vif_first(ar);
2275 if (WARN_ON(unlikely(!vif)) ||
2276 !ath6kl_cfg80211_ready(vif))
2279 ar->state = ATH6KL_STATE_RESUMING;
2281 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2282 ATH6KL_HOST_MODE_AWAKE);
2284 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2289 spin_lock_bh(&ar->list_lock);
2290 list_for_each_entry(vif, &ar->vif_list, list) {
2291 if (!test_bit(CONNECTED, &vif->flags) ||
2292 !ath6kl_cfg80211_ready(vif))
2294 ret = ath6kl_wow_resume_vif(vif);
2298 spin_unlock_bh(&ar->list_lock);
2303 ar->state = ATH6KL_STATE_ON;
2307 ar->state = ATH6KL_STATE_WOW;
2311 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2313 struct ath6kl_vif *vif;
2316 vif = ath6kl_vif_first(ar);
2320 if (!test_bit(WMI_READY, &ar->flag)) {
2321 ath6kl_err("deepsleep failed as wmi is not ready\n");
2325 ath6kl_cfg80211_stop_all(ar);
2327 /* Save the current power mode before enabling power save */
2328 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2330 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2334 /* Disable WOW mode */
2335 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2336 ATH6KL_WOW_MODE_DISABLE,
2341 /* Flush all non control pkts in TX path */
2342 ath6kl_tx_data_cleanup(ar);
2344 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2351 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2353 struct ath6kl_vif *vif;
2356 vif = ath6kl_vif_first(ar);
2361 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2362 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2363 ar->wmi->saved_pwr_mode);
2368 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2369 ATH6KL_HOST_MODE_AWAKE);
2373 ar->state = ATH6KL_STATE_ON;
2375 /* Reset scan parameter to default values */
2376 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2377 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2384 int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2385 enum ath6kl_cfg_suspend_mode mode,
2386 struct cfg80211_wowlan *wow)
2388 struct ath6kl_vif *vif;
2389 enum ath6kl_state prev_state;
2393 case ATH6KL_CFG_SUSPEND_WOW:
2395 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2397 /* Flush all non control pkts in TX path */
2398 ath6kl_tx_data_cleanup(ar);
2400 prev_state = ar->state;
2402 ret = ath6kl_wow_suspend(ar, wow);
2404 ar->state = prev_state;
2408 ar->state = ATH6KL_STATE_WOW;
2411 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2413 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
2415 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
2417 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2421 ar->state = ATH6KL_STATE_DEEPSLEEP;
2425 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2427 ath6kl_cfg80211_stop_all(ar);
2429 if (ar->state == ATH6KL_STATE_OFF) {
2430 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2431 "suspend hw off, no action for cutpower\n");
2435 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2437 ret = ath6kl_init_hw_stop(ar);
2439 ath6kl_warn("failed to stop hw during suspend: %d\n",
2443 ar->state = ATH6KL_STATE_CUTPOWER;
2451 list_for_each_entry(vif, &ar->vif_list, list)
2452 ath6kl_cfg80211_scan_complete_event(vif, true);
2456 EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2458 int ath6kl_cfg80211_resume(struct ath6kl *ar)
2462 switch (ar->state) {
2463 case ATH6KL_STATE_WOW:
2464 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2466 ret = ath6kl_wow_resume(ar);
2468 ath6kl_warn("wow mode resume failed: %d\n", ret);
2474 case ATH6KL_STATE_DEEPSLEEP:
2475 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
2477 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2479 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2484 case ATH6KL_STATE_CUTPOWER:
2485 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2487 ret = ath6kl_init_hw_start(ar);
2489 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2500 EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2504 /* hif layer decides what suspend mode to use */
2505 static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2506 struct cfg80211_wowlan *wow)
2508 struct ath6kl *ar = wiphy_priv(wiphy);
2510 ath6kl_recovery_suspend(ar);
2512 return ath6kl_hif_suspend(ar, wow);
2515 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2517 struct ath6kl *ar = wiphy_priv(wiphy);
2520 err = ath6kl_hif_resume(ar);
2524 ath6kl_recovery_resume(ar);
2530 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2531 * both sdio irq wake up and keep power. The target pulls sdio data line to
2532 * wake up the host when WOW pattern matches. This causes sdio irq handler
2533 * is being called in the host side which internally hits ath6kl's RX path.
2535 * Since sdio interrupt is not disabled, RX path executes even before
2536 * the host executes the actual resume operation from PM module.
2538 * In the current scenario, WOW resume should happen before start processing
2539 * any data from the target. So It's required to perform WOW resume in RX path.
2540 * Ideally we should perform WOW resume only in the actual platform
2541 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2543 * ath6kl_check_wow_status() is called from ath6kl_rx().
2545 void ath6kl_check_wow_status(struct ath6kl *ar)
2547 if (ar->state == ATH6KL_STATE_SUSPENDING)
2550 if (ar->state == ATH6KL_STATE_WOW)
2551 ath6kl_cfg80211_resume(ar);
2556 void ath6kl_check_wow_status(struct ath6kl *ar)
2561 static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2564 struct ath6kl_htcap *htcap = &vif->htcap[band];
2566 if (htcap->ht_enable == ht_enable)
2570 /* Set default ht capabilities */
2571 htcap->ht_enable = true;
2572 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2573 ath6kl_g_htcap : ath6kl_a_htcap;
2574 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2575 } else /* Disable ht */
2576 memset(htcap, 0, sizeof(*htcap));
2578 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2582 static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2584 struct wiphy *wiphy = vif->ar->wiphy;
2587 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2588 if (!wiphy->bands[band])
2591 ret = ath6kl_set_htcap(vif, band,
2592 wiphy->bands[band]->ht_cap.ht_supported);
2600 static bool ath6kl_is_p2p_ie(const u8 *pos)
2602 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2603 pos[2] == 0x50 && pos[3] == 0x6f &&
2604 pos[4] == 0x9a && pos[5] == 0x09;
2607 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2608 const u8 *ies, size_t ies_len)
2610 struct ath6kl *ar = vif->ar;
2617 * Filter out P2P IE(s) since they will be included depending on
2618 * the Probe Request frame in ath6kl_send_go_probe_resp().
2621 if (ies && ies_len) {
2622 buf = kmalloc(ies_len, GFP_KERNEL);
2626 while (pos + 1 < ies + ies_len) {
2627 if (pos + 2 + pos[1] > ies + ies_len)
2629 if (!ath6kl_is_p2p_ie(pos)) {
2630 memcpy(buf + len, pos, 2 + pos[1]);
2637 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2638 WMI_FRAME_PROBE_RESP, buf, len);
2643 static int ath6kl_set_ies(struct ath6kl_vif *vif,
2644 struct cfg80211_beacon_data *info)
2646 struct ath6kl *ar = vif->ar;
2649 /* this also clears IE in fw if it's not set */
2650 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2653 info->beacon_ies_len);
2657 /* this also clears IE in fw if it's not set */
2658 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2659 info->proberesp_ies_len);
2663 /* this also clears IE in fw if it's not set */
2664 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2665 WMI_FRAME_ASSOC_RESP,
2666 info->assocresp_ies,
2667 info->assocresp_ies_len);
2674 void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable)
2678 if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag)))
2681 if (vif->nw_type != INFRA_NETWORK)
2684 if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
2685 vif->ar->fw_capabilities))
2688 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n",
2689 enable ? "enable" : "disable");
2691 err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi,
2692 vif->fw_vif_idx, enable);
2694 ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
2695 enable ? "enable" : "disable", err);
2698 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2708 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2712 rsn_ie_len = *(rsn_ie + 1);
2713 /* skip element id and length */
2722 /* skip group cipher suite */
2728 /* skip pairwise cipher suite */
2731 cnt = get_unaligned_le16(rsn_ie);
2732 rsn_ie += (2 + cnt * 4);
2733 rsn_ie_len -= (2 + cnt * 4);
2735 /* skip akm suite */
2738 cnt = get_unaligned_le16(rsn_ie);
2739 rsn_ie += (2 + cnt * 4);
2740 rsn_ie_len -= (2 + cnt * 4);
2745 memcpy(rsn_capab, rsn_ie, 2);
2750 static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2751 struct cfg80211_ap_settings *info)
2753 struct ath6kl *ar = ath6kl_priv(dev);
2754 struct ath6kl_vif *vif = netdev_priv(dev);
2755 struct ieee80211_mgmt *mgmt;
2756 bool hidden = false;
2759 struct wmi_connect_cmd p;
2763 int inactivity_timeout = 0;
2765 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2767 if (!ath6kl_cfg80211_ready(vif))
2770 if (vif->next_mode != AP_NETWORK)
2773 res = ath6kl_set_ies(vif, &info->beacon);
2775 ar->ap_mode_bkey.valid = false;
2781 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2784 /* ignore error, just print a warning and continue normally */
2786 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2788 if (info->beacon.head == NULL)
2790 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2791 ies = mgmt->u.beacon.variable;
2792 if (ies > info->beacon.head + info->beacon.head_len)
2794 ies_len = info->beacon.head + info->beacon.head_len - ies;
2796 if (info->ssid == NULL)
2798 memcpy(vif->ssid, info->ssid, info->ssid_len);
2799 vif->ssid_len = info->ssid_len;
2800 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2803 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2807 ret = ath6kl_set_auth_type(vif, info->auth_type);
2811 memset(&p, 0, sizeof(p));
2813 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2814 switch (info->crypto.akm_suites[i]) {
2815 case WLAN_AKM_SUITE_8021X:
2816 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2817 p.auth_mode |= WPA_AUTH;
2818 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2819 p.auth_mode |= WPA2_AUTH;
2821 case WLAN_AKM_SUITE_PSK:
2822 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2823 p.auth_mode |= WPA_PSK_AUTH;
2824 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2825 p.auth_mode |= WPA2_PSK_AUTH;
2829 if (p.auth_mode == 0)
2830 p.auth_mode = NONE_AUTH;
2831 vif->auth_mode = p.auth_mode;
2833 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2834 switch (info->crypto.ciphers_pairwise[i]) {
2835 case WLAN_CIPHER_SUITE_WEP40:
2836 case WLAN_CIPHER_SUITE_WEP104:
2837 p.prwise_crypto_type |= WEP_CRYPT;
2839 case WLAN_CIPHER_SUITE_TKIP:
2840 p.prwise_crypto_type |= TKIP_CRYPT;
2842 case WLAN_CIPHER_SUITE_CCMP:
2843 p.prwise_crypto_type |= AES_CRYPT;
2845 case WLAN_CIPHER_SUITE_SMS4:
2846 p.prwise_crypto_type |= WAPI_CRYPT;
2850 if (p.prwise_crypto_type == 0) {
2851 p.prwise_crypto_type = NONE_CRYPT;
2852 ath6kl_set_cipher(vif, 0, true);
2853 } else if (info->crypto.n_ciphers_pairwise == 1)
2854 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
2856 switch (info->crypto.cipher_group) {
2857 case WLAN_CIPHER_SUITE_WEP40:
2858 case WLAN_CIPHER_SUITE_WEP104:
2859 p.grp_crypto_type = WEP_CRYPT;
2861 case WLAN_CIPHER_SUITE_TKIP:
2862 p.grp_crypto_type = TKIP_CRYPT;
2864 case WLAN_CIPHER_SUITE_CCMP:
2865 p.grp_crypto_type = AES_CRYPT;
2867 case WLAN_CIPHER_SUITE_SMS4:
2868 p.grp_crypto_type = WAPI_CRYPT;
2871 p.grp_crypto_type = NONE_CRYPT;
2874 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
2876 p.nw_type = AP_NETWORK;
2877 vif->nw_type = vif->next_mode;
2879 p.ssid_len = vif->ssid_len;
2880 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2881 p.dot11_auth_mode = vif->dot11_auth_mode;
2882 p.ch = cpu_to_le16(info->channel->center_freq);
2884 /* Enable uAPSD support by default */
2885 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2889 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2890 p.nw_subtype = SUBTYPE_P2PGO;
2893 * Due to firmware limitation, it is not possible to
2894 * do P2P mgmt operations in AP mode
2896 p.nw_subtype = SUBTYPE_NONE;
2899 if (info->inactivity_timeout) {
2901 inactivity_timeout = info->inactivity_timeout;
2903 if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS)
2904 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2907 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
2908 inactivity_timeout);
2913 if (ath6kl_set_htcap(vif, info->channel->band,
2914 info->channel_type != NL80211_CHAN_NO_HT))
2918 * Get the PTKSA replay counter in the RSN IE. Supplicant
2919 * will use the RSN IE in M3 message and firmware has to
2920 * advertise the same in beacon/probe response. Send
2921 * the complete RSN IE capability field to firmware
2923 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2924 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2925 ar->fw_capabilities)) {
2926 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2927 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2928 (const u8 *) &rsn_capab,
2930 vif->rsn_capab = rsn_capab;
2935 memcpy(&vif->profile, &p, sizeof(p));
2936 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
2943 static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2944 struct cfg80211_beacon_data *beacon)
2946 struct ath6kl_vif *vif = netdev_priv(dev);
2948 if (!ath6kl_cfg80211_ready(vif))
2951 if (vif->next_mode != AP_NETWORK)
2954 return ath6kl_set_ies(vif, beacon);
2957 static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
2959 struct ath6kl *ar = ath6kl_priv(dev);
2960 struct ath6kl_vif *vif = netdev_priv(dev);
2962 if (vif->nw_type != AP_NETWORK)
2964 if (!test_bit(CONNECTED, &vif->flags))
2967 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
2968 clear_bit(CONNECTED, &vif->flags);
2970 /* Restore ht setting in firmware */
2971 return ath6kl_restore_htcap(vif);
2974 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2976 static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2979 struct ath6kl *ar = ath6kl_priv(dev);
2980 struct ath6kl_vif *vif = netdev_priv(dev);
2981 const u8 *addr = mac ? mac : bcast_addr;
2983 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2984 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2987 static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
2988 u8 *mac, struct station_parameters *params)
2990 struct ath6kl *ar = ath6kl_priv(dev);
2991 struct ath6kl_vif *vif = netdev_priv(dev);
2993 if (vif->nw_type != AP_NETWORK)
2996 /* Use this only for authorizing/unauthorizing a station */
2997 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
3000 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
3001 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3002 WMI_AP_MLME_AUTHORIZE, mac, 0);
3003 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3004 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
3007 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
3008 struct wireless_dev *wdev,
3009 struct ieee80211_channel *chan,
3010 enum nl80211_channel_type channel_type,
3011 unsigned int duration,
3014 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3015 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3018 /* TODO: if already pending or ongoing remain-on-channel,
3020 id = ++vif->last_roc_id;
3022 /* Do not use 0 as the cookie value */
3023 id = ++vif->last_roc_id;
3027 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3028 chan->center_freq, duration);
3031 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
3032 struct wireless_dev *wdev,
3035 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3036 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3038 if (cookie != vif->last_roc_id)
3040 vif->last_cancel_roc_id = cookie;
3042 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
3045 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3046 const u8 *buf, size_t len,
3049 struct ath6kl *ar = vif->ar;
3054 const struct ieee80211_mgmt *mgmt;
3056 mgmt = (const struct ieee80211_mgmt *) buf;
3058 /* Include P2P IE(s) from the frame generated in user space. */
3060 p2p = kmalloc(len, GFP_KERNEL);
3065 pos = mgmt->u.probe_resp.variable;
3066 while (pos + 1 < buf + len) {
3067 if (pos + 2 + pos[1] > buf + len)
3069 if (ath6kl_is_p2p_ie(pos)) {
3070 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3071 p2p_len += 2 + pos[1];
3076 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3077 mgmt->da, p2p, p2p_len);
3082 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3091 struct ieee80211_mgmt *mgmt;
3092 struct ath6kl_sta *conn;
3093 bool is_psq_empty = false;
3094 struct ath6kl_mgmt_buff *mgmt_buf;
3095 size_t mgmt_buf_size;
3096 struct ath6kl *ar = vif->ar;
3098 mgmt = (struct ieee80211_mgmt *) buf;
3099 if (is_multicast_ether_addr(mgmt->da))
3102 conn = ath6kl_find_sta(vif, mgmt->da);
3106 if (conn->sta_flags & STA_PS_SLEEP) {
3107 if (!(conn->sta_flags & STA_PS_POLLED)) {
3108 /* Queue the frames if the STA is sleeping */
3109 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3110 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3114 INIT_LIST_HEAD(&mgmt_buf->list);
3116 mgmt_buf->freq = freq;
3117 mgmt_buf->wait = wait;
3118 mgmt_buf->len = len;
3119 mgmt_buf->no_cck = no_cck;
3120 memcpy(mgmt_buf->buf, buf, len);
3121 spin_lock_bh(&conn->psq_lock);
3122 is_psq_empty = skb_queue_empty(&conn->psq) &&
3123 (conn->mgmt_psq_len == 0);
3124 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3125 conn->mgmt_psq_len++;
3126 spin_unlock_bh(&conn->psq_lock);
3129 * If this is the first pkt getting queued
3130 * for this STA, update the PVB for this
3134 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3140 * This tx is because of a PsPoll.
3141 * Determine if MoreData bit has to be set.
3143 spin_lock_bh(&conn->psq_lock);
3144 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3146 spin_unlock_bh(&conn->psq_lock);
3152 /* Check if SSID length is greater than DIRECT- */
3153 static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3155 const struct ieee80211_mgmt *mgmt;
3156 mgmt = (const struct ieee80211_mgmt *) buf;
3158 /* variable[1] contains the SSID tag length */
3159 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3160 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3167 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3168 struct ieee80211_channel *chan, bool offchan,
3169 enum nl80211_channel_type channel_type,
3170 bool channel_type_valid, unsigned int wait,
3171 const u8 *buf, size_t len, bool no_cck,
3172 bool dont_wait_for_ack, u64 *cookie)
3174 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3175 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3177 const struct ieee80211_mgmt *mgmt;
3178 bool more_data, queued;
3180 mgmt = (const struct ieee80211_mgmt *) buf;
3181 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3182 ieee80211_is_probe_resp(mgmt->frame_control) &&
3183 ath6kl_is_p2p_go_ssid(buf, len)) {
3185 * Send Probe Response frame in GO mode using a separate WMI
3186 * command to allow the target to fill in the generic IEs.
3188 *cookie = 0; /* TX status not supported */
3189 return ath6kl_send_go_probe_resp(vif, buf, len,
3193 id = vif->send_action_id++;
3196 * 0 is a reserved value in the WMI command and shall not be
3197 * used for the command.
3199 id = vif->send_action_id++;
3204 /* AP mode Power saving processing */
3205 if (vif->nw_type == AP_NETWORK) {
3206 queued = ath6kl_mgmt_powersave_ap(vif,
3207 id, chan->center_freq,
3209 len, &more_data, no_cck);
3214 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,
3215 chan->center_freq, wait,
3219 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3220 struct wireless_dev *wdev,
3221 u16 frame_type, bool reg)
3223 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3225 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3226 __func__, frame_type, reg);
3227 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3229 * Note: This notification callback is not allowed to sleep, so
3230 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3231 * hardcode target to report Probe Request frames all the time.
3233 vif->probe_req_report = reg;
3237 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3238 struct net_device *dev,
3239 struct cfg80211_sched_scan_request *request)
3241 struct ath6kl *ar = ath6kl_priv(dev);
3242 struct ath6kl_vif *vif = netdev_priv(dev);
3244 int ret, rssi_thold;
3246 if (ar->state != ATH6KL_STATE_ON)
3249 if (vif->sme_state != SME_DISCONNECTED)
3252 ath6kl_cfg80211_scan_complete_event(vif, true);
3254 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3256 request->match_sets,
3257 request->n_match_sets);
3261 if (!request->n_match_sets) {
3262 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3267 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3268 MATCHED_SSID_FILTER, 0);
3273 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3274 ar->fw_capabilities)) {
3275 if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
3277 else if (request->rssi_thold < -127)
3280 rssi_thold = request->rssi_thold;
3282 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3285 ath6kl_err("failed to set RSSI threshold for scan\n");
3290 /* fw uses seconds, also make sure that it's >0 */
3291 interval = max_t(u16, 1, request->interval / 1000);
3293 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3295 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3297 /* this also clears IE in fw if it's not set */
3298 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3299 WMI_FRAME_PROBE_REQ,
3300 request->ie, request->ie_len);
3302 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3307 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3311 set_bit(SCHED_SCANNING, &vif->flags);
3316 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3317 struct net_device *dev)
3319 struct ath6kl_vif *vif = netdev_priv(dev);
3322 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3330 static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3331 struct net_device *dev,
3333 const struct cfg80211_bitrate_mask *mask)
3335 struct ath6kl *ar = ath6kl_priv(dev);
3336 struct ath6kl_vif *vif = netdev_priv(dev);
3338 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3342 static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3343 struct net_device *dev,
3344 u32 rate, u32 pkts, u32 intvl)
3346 struct ath6kl *ar = ath6kl_priv(dev);
3347 struct ath6kl_vif *vif = netdev_priv(dev);
3349 if (vif->nw_type != INFRA_NETWORK ||
3350 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3353 if (vif->sme_state != SME_CONNECTED)
3356 /* save this since the firmware won't report the interval */
3357 vif->txe_intvl = intvl;
3359 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3363 static const struct ieee80211_txrx_stypes
3364 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3365 [NL80211_IFTYPE_STATION] = {
3366 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3367 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3368 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3369 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3371 [NL80211_IFTYPE_AP] = {
3372 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3373 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3374 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3375 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3377 [NL80211_IFTYPE_P2P_CLIENT] = {
3378 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3379 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3380 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3381 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3383 [NL80211_IFTYPE_P2P_GO] = {
3384 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3385 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3386 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3387 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3391 static struct cfg80211_ops ath6kl_cfg80211_ops = {
3392 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3393 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3394 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3395 .scan = ath6kl_cfg80211_scan,
3396 .connect = ath6kl_cfg80211_connect,
3397 .disconnect = ath6kl_cfg80211_disconnect,
3398 .add_key = ath6kl_cfg80211_add_key,
3399 .get_key = ath6kl_cfg80211_get_key,
3400 .del_key = ath6kl_cfg80211_del_key,
3401 .set_default_key = ath6kl_cfg80211_set_default_key,
3402 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3403 .set_tx_power = ath6kl_cfg80211_set_txpower,
3404 .get_tx_power = ath6kl_cfg80211_get_txpower,
3405 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3406 .join_ibss = ath6kl_cfg80211_join_ibss,
3407 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3408 .get_station = ath6kl_get_station,
3409 .set_pmksa = ath6kl_set_pmksa,
3410 .del_pmksa = ath6kl_del_pmksa,
3411 .flush_pmksa = ath6kl_flush_pmksa,
3412 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3414 .suspend = __ath6kl_cfg80211_suspend,
3415 .resume = __ath6kl_cfg80211_resume,
3417 .start_ap = ath6kl_start_ap,
3418 .change_beacon = ath6kl_change_beacon,
3419 .stop_ap = ath6kl_stop_ap,
3420 .del_station = ath6kl_del_station,
3421 .change_station = ath6kl_change_station,
3422 .remain_on_channel = ath6kl_remain_on_channel,
3423 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3424 .mgmt_tx = ath6kl_mgmt_tx,
3425 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3426 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3427 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3428 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
3429 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
3432 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3434 ath6kl_cfg80211_sscan_disable(vif);
3436 switch (vif->sme_state) {
3437 case SME_DISCONNECTED:
3439 case SME_CONNECTING:
3440 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3442 WLAN_STATUS_UNSPECIFIED_FAILURE,
3446 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3450 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3451 (test_bit(CONNECTED, &vif->flags) ||
3452 test_bit(CONNECT_PEND, &vif->flags)))
3453 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3455 vif->sme_state = SME_DISCONNECTED;
3456 clear_bit(CONNECTED, &vif->flags);
3457 clear_bit(CONNECT_PEND, &vif->flags);
3459 /* Stop netdev queues, needed during recovery */
3460 netif_stop_queue(vif->ndev);
3461 netif_carrier_off(vif->ndev);
3463 /* disable scanning */
3464 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3465 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3466 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3467 ath6kl_warn("failed to disable scan during stop\n");
3469 ath6kl_cfg80211_scan_complete_event(vif, true);
3472 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3474 struct ath6kl_vif *vif;
3476 vif = ath6kl_vif_first(ar);
3477 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
3478 /* save the current power mode before enabling power save */
3479 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3481 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3482 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3487 * FIXME: we should take ar->list_lock to protect changes in the
3488 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3491 list_for_each_entry(vif, &ar->vif_list, list)
3492 ath6kl_cfg80211_stop(vif);
3495 static int ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3496 struct regulatory_request *request)
3498 struct ath6kl *ar = wiphy_priv(wiphy);
3499 u32 rates[IEEE80211_NUM_BANDS];
3502 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
3503 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
3504 request->alpha2[0], request->alpha2[1],
3505 request->intersect ? " intersect" : "",
3506 request->processed ? " processed" : "",
3507 request->initiator, request->user_reg_hint_type);
3510 * As firmware is not able intersect regdoms, we can only listen to
3513 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
3516 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3518 ath6kl_err("failed to set regdomain: %d\n", ret);
3523 * Firmware will apply the regdomain change only after a scan is
3524 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3528 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3529 if (wiphy->bands[i])
3530 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3533 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3534 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3535 0, NULL, false, rates);
3537 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3545 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3547 vif->aggr_cntxt = aggr_init(vif);
3548 if (!vif->aggr_cntxt) {
3549 ath6kl_err("failed to initialize aggr\n");
3553 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3554 (unsigned long) vif->ndev);
3555 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3556 (unsigned long) vif);
3558 set_bit(WMM_ENABLED, &vif->flags);
3559 spin_lock_init(&vif->if_lock);
3561 INIT_LIST_HEAD(&vif->mc_filter);
3566 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3568 struct ath6kl *ar = vif->ar;
3569 struct ath6kl_mc_filter *mc_filter, *tmp;
3571 aggr_module_destroy(vif->aggr_cntxt);
3573 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3575 if (vif->nw_type == ADHOC_NETWORK)
3576 ar->ibss_if_active = false;
3578 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3579 list_del(&mc_filter->list);
3583 unregister_netdevice(vif->ndev);
3588 struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
3589 enum nl80211_iftype type,
3590 u8 fw_vif_idx, u8 nw_type)
3592 struct net_device *ndev;
3593 struct ath6kl_vif *vif;
3595 ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
3599 vif = netdev_priv(ndev);
3600 ndev->ieee80211_ptr = &vif->wdev;
3601 vif->wdev.wiphy = ar->wiphy;
3604 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3605 vif->wdev.netdev = ndev;
3606 vif->wdev.iftype = type;
3607 vif->fw_vif_idx = fw_vif_idx;
3608 vif->nw_type = nw_type;
3609 vif->next_mode = nw_type;
3610 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3611 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3612 vif->bg_scan_period = 0;
3613 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3614 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
3616 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3617 if (fw_vif_idx != 0) {
3618 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3620 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3621 ar->fw_capabilities))
3622 ndev->dev_addr[4] ^= 0x80;
3627 ath6kl_init_control_info(vif);
3629 if (ath6kl_cfg80211_vif_init(vif))
3632 if (register_netdevice(ndev))
3635 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3636 vif->sme_state = SME_DISCONNECTED;
3637 set_bit(WLAN_ENABLED, &vif->flags);
3638 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3639 set_bit(NETDEV_REGISTERED, &vif->flags);
3641 if (type == NL80211_IFTYPE_ADHOC)
3642 ar->ibss_if_active = true;
3644 spin_lock_bh(&ar->list_lock);
3645 list_add_tail(&vif->list, &ar->vif_list);
3646 spin_unlock_bh(&ar->list_lock);
3651 aggr_module_destroy(vif->aggr_cntxt);
3656 int ath6kl_cfg80211_init(struct ath6kl *ar)
3658 struct wiphy *wiphy = ar->wiphy;
3659 bool band_2gig = false, band_5gig = false, ht = false;
3662 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3664 wiphy->max_remain_on_channel_duration = 5000;
3666 /* set device pointer for wiphy */
3667 set_wiphy_dev(wiphy, ar->dev);
3669 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3670 BIT(NL80211_IFTYPE_ADHOC) |
3671 BIT(NL80211_IFTYPE_AP);
3673 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3674 BIT(NL80211_IFTYPE_P2P_CLIENT);
3677 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
3678 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
3679 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
3680 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3683 /* max num of ssids that can be probed during scanning */
3684 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
3686 /* max num of ssids that can be matched after scan */
3687 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3688 ar->fw_capabilities))
3689 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3691 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3692 switch (ar->hw.cap) {
3710 ath6kl_err("invalid phy capability!\n");
3715 * Even if the fw has HT support, advertise HT cap only when
3716 * the firmware has support to override RSN capability, otherwise
3717 * 4-way handshake would fail.
3720 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3721 ar->fw_capabilities))) {
3722 ath6kl_band_2ghz.ht_cap.cap = 0;
3723 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3724 ath6kl_band_5ghz.ht_cap.cap = 0;
3725 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3728 if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) {
3729 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3730 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3731 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3732 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3734 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3735 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3739 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3741 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3743 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3745 wiphy->cipher_suites = cipher_suites;
3746 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3749 wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
3750 WIPHY_WOWLAN_DISCONNECT |
3751 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3752 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3753 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3754 WIPHY_WOWLAN_4WAY_HANDSHAKE;
3755 wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
3756 wiphy->wowlan.pattern_min_len = 1;
3757 wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
3760 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
3762 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3763 WIPHY_FLAG_HAVE_AP_SME |
3764 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3765 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3767 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
3768 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3770 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3771 ar->fw_capabilities))
3772 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
3774 ar->wiphy->probe_resp_offload =
3775 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3776 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3777 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3779 ret = wiphy_register(wiphy);
3781 ath6kl_err("couldn't register wiphy device\n");
3785 ar->wiphy_registered = true;
3790 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
3792 wiphy_unregister(ar->wiphy);
3794 ar->wiphy_registered = false;
3797 struct ath6kl *ath6kl_cfg80211_create(void)
3800 struct wiphy *wiphy;
3802 /* create a new wiphy for use with cfg80211 */
3803 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3806 ath6kl_err("couldn't allocate wiphy device\n");
3810 ar = wiphy_priv(wiphy);
3816 /* Note: ar variable must not be accessed after calling this! */
3817 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3821 for (i = 0; i < AP_MAX_NUM_STA; i++)
3822 kfree(ar->sta_list[i].aggr_conn);
3824 wiphy_free(ar->wiphy);