2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 #include <linux/moduleparam.h>
21 #include <linux/inetdevice.h>
22 #include <linux/export.h>
30 #define RATETAB_ENT(_rate, _rateid, _flags) { \
33 .hw_value = (_rateid), \
36 #define CHAN2G(_channel, _freq, _flags) { \
37 .band = IEEE80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
41 .max_antenna_gain = 0, \
45 #define CHAN5G(_channel, _flags) { \
46 .band = IEEE80211_BAND_5GHZ, \
47 .hw_value = (_channel), \
48 .center_freq = 5000 + (5 * (_channel)), \
50 .max_antenna_gain = 0, \
54 #define DEFAULT_BG_SCAN_PERIOD 60
56 struct ath6kl_cfg80211_match_probe_ssid {
57 struct cfg80211_ssid ssid;
61 static struct ieee80211_rate ath6kl_rates[] = {
62 RATETAB_ENT(10, 0x1, 0),
63 RATETAB_ENT(20, 0x2, 0),
64 RATETAB_ENT(55, 0x4, 0),
65 RATETAB_ENT(110, 0x8, 0),
66 RATETAB_ENT(60, 0x10, 0),
67 RATETAB_ENT(90, 0x20, 0),
68 RATETAB_ENT(120, 0x40, 0),
69 RATETAB_ENT(180, 0x80, 0),
70 RATETAB_ENT(240, 0x100, 0),
71 RATETAB_ENT(360, 0x200, 0),
72 RATETAB_ENT(480, 0x400, 0),
73 RATETAB_ENT(540, 0x800, 0),
76 #define ath6kl_a_rates (ath6kl_rates + 4)
77 #define ath6kl_a_rates_size 8
78 #define ath6kl_g_rates (ath6kl_rates + 0)
79 #define ath6kl_g_rates_size 12
81 #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
82 #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
83 IEEE80211_HT_CAP_SGI_20 | \
84 IEEE80211_HT_CAP_SGI_40)
86 static struct ieee80211_channel ath6kl_2ghz_channels[] = {
103 static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
104 CHAN5G(34, 0), CHAN5G(36, 0),
105 CHAN5G(38, 0), CHAN5G(40, 0),
106 CHAN5G(42, 0), CHAN5G(44, 0),
107 CHAN5G(46, 0), CHAN5G(48, 0),
108 CHAN5G(52, 0), CHAN5G(56, 0),
109 CHAN5G(60, 0), CHAN5G(64, 0),
110 CHAN5G(100, 0), CHAN5G(104, 0),
111 CHAN5G(108, 0), CHAN5G(112, 0),
112 CHAN5G(116, 0), CHAN5G(120, 0),
113 CHAN5G(124, 0), CHAN5G(128, 0),
114 CHAN5G(132, 0), CHAN5G(136, 0),
115 CHAN5G(140, 0), CHAN5G(149, 0),
116 CHAN5G(153, 0), CHAN5G(157, 0),
117 CHAN5G(161, 0), CHAN5G(165, 0),
118 CHAN5G(184, 0), CHAN5G(188, 0),
119 CHAN5G(192, 0), CHAN5G(196, 0),
120 CHAN5G(200, 0), CHAN5G(204, 0),
121 CHAN5G(208, 0), CHAN5G(212, 0),
125 static struct ieee80211_supported_band ath6kl_band_2ghz = {
126 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
127 .channels = ath6kl_2ghz_channels,
128 .n_bitrates = ath6kl_g_rates_size,
129 .bitrates = ath6kl_g_rates,
130 .ht_cap.cap = ath6kl_g_htcap,
131 .ht_cap.ht_supported = true,
134 static struct ieee80211_supported_band ath6kl_band_5ghz = {
135 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
136 .channels = ath6kl_5ghz_a_channels,
137 .n_bitrates = ath6kl_a_rates_size,
138 .bitrates = ath6kl_a_rates,
139 .ht_cap.cap = ath6kl_a_htcap,
140 .ht_cap.ht_supported = true,
143 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
145 /* returns true if scheduled scan was stopped */
146 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
148 struct ath6kl *ar = vif->ar;
150 if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
153 del_timer_sync(&vif->sched_scan_timer);
155 if (ar->state == ATH6KL_STATE_RECOVERY)
158 ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
163 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
165 struct ath6kl *ar = vif->ar;
168 stopped = __ath6kl_cfg80211_sscan_stop(vif);
173 cfg80211_sched_scan_stopped(ar->wiphy);
176 static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
177 enum nl80211_wpa_versions wpa_version)
179 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
182 vif->auth_mode = NONE_AUTH;
183 } else if (wpa_version & NL80211_WPA_VERSION_2) {
184 vif->auth_mode = WPA2_AUTH;
185 } else if (wpa_version & NL80211_WPA_VERSION_1) {
186 vif->auth_mode = WPA_AUTH;
188 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
195 static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
196 enum nl80211_auth_type auth_type)
198 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
201 case NL80211_AUTHTYPE_OPEN_SYSTEM:
202 vif->dot11_auth_mode = OPEN_AUTH;
204 case NL80211_AUTHTYPE_SHARED_KEY:
205 vif->dot11_auth_mode = SHARED_AUTH;
207 case NL80211_AUTHTYPE_NETWORK_EAP:
208 vif->dot11_auth_mode = LEAP_AUTH;
211 case NL80211_AUTHTYPE_AUTOMATIC:
212 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
216 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
223 static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
225 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
226 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
227 &vif->grp_crypto_len;
229 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
230 __func__, cipher, ucast);
234 /* our own hack to use value 0 as no crypto used */
235 *ar_cipher = NONE_CRYPT;
238 case WLAN_CIPHER_SUITE_WEP40:
239 *ar_cipher = WEP_CRYPT;
242 case WLAN_CIPHER_SUITE_WEP104:
243 *ar_cipher = WEP_CRYPT;
246 case WLAN_CIPHER_SUITE_TKIP:
247 *ar_cipher = TKIP_CRYPT;
250 case WLAN_CIPHER_SUITE_CCMP:
251 *ar_cipher = AES_CRYPT;
254 case WLAN_CIPHER_SUITE_SMS4:
255 *ar_cipher = WAPI_CRYPT;
259 ath6kl_err("cipher 0x%x not supported\n", cipher);
266 static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
268 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
270 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
271 if (vif->auth_mode == WPA_AUTH)
272 vif->auth_mode = WPA_PSK_AUTH;
273 else if (vif->auth_mode == WPA2_AUTH)
274 vif->auth_mode = WPA2_PSK_AUTH;
275 } else if (key_mgmt == 0x00409600) {
276 if (vif->auth_mode == WPA_AUTH)
277 vif->auth_mode = WPA_AUTH_CCKM;
278 else if (vif->auth_mode == WPA2_AUTH)
279 vif->auth_mode = WPA2_AUTH_CCKM;
280 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
281 vif->auth_mode = NONE_AUTH;
285 static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
287 struct ath6kl *ar = vif->ar;
289 if (!test_bit(WMI_READY, &ar->flag)) {
290 ath6kl_err("wmi is not ready\n");
294 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
295 ath6kl_err("wlan disabled\n");
302 static bool ath6kl_is_wpa_ie(const u8 *pos)
304 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
305 pos[2] == 0x00 && pos[3] == 0x50 &&
306 pos[4] == 0xf2 && pos[5] == 0x01;
309 static bool ath6kl_is_rsn_ie(const u8 *pos)
311 return pos[0] == WLAN_EID_RSN;
314 static bool ath6kl_is_wps_ie(const u8 *pos)
316 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
318 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
322 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
325 struct ath6kl *ar = vif->ar;
332 * Clear previously set flag
335 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
338 * Filter out RSN/WPA IE(s)
341 if (ies && ies_len) {
342 buf = kmalloc(ies_len, GFP_KERNEL);
347 while (pos + 1 < ies + ies_len) {
348 if (pos + 2 + pos[1] > ies + ies_len)
350 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
351 memcpy(buf + len, pos, 2 + pos[1]);
355 if (ath6kl_is_wps_ie(pos))
356 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
362 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
363 WMI_FRAME_ASSOC_REQ, buf, len);
368 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
371 case NL80211_IFTYPE_STATION:
372 case NL80211_IFTYPE_P2P_CLIENT:
373 *nw_type = INFRA_NETWORK;
375 case NL80211_IFTYPE_ADHOC:
376 *nw_type = ADHOC_NETWORK;
378 case NL80211_IFTYPE_AP:
379 case NL80211_IFTYPE_P2P_GO:
380 *nw_type = AP_NETWORK;
383 ath6kl_err("invalid interface type %u\n", type);
390 static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
391 u8 *if_idx, u8 *nw_type)
395 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
398 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
402 if (type == NL80211_IFTYPE_STATION ||
403 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
404 for (i = 0; i < ar->vif_max; i++) {
405 if ((ar->avail_idx_map) & BIT(i)) {
412 if (type == NL80211_IFTYPE_P2P_CLIENT ||
413 type == NL80211_IFTYPE_P2P_GO) {
414 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
415 if ((ar->avail_idx_map) & BIT(i)) {
425 static bool ath6kl_is_tx_pending(struct ath6kl *ar)
427 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
430 static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif,
435 if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag)))
438 if (vif->nw_type != INFRA_NETWORK)
441 if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
442 vif->ar->fw_capabilities))
445 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n",
446 enable ? "enable" : "disable");
448 err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi,
449 vif->fw_vif_idx, enable);
451 ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
452 enable ? "enable" : "disable", err);
455 static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
456 struct cfg80211_connect_params *sme)
458 struct ath6kl *ar = ath6kl_priv(dev);
459 struct ath6kl_vif *vif = netdev_priv(dev);
461 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
464 ath6kl_cfg80211_sscan_disable(vif);
466 vif->sme_state = SME_CONNECTING;
468 if (!ath6kl_cfg80211_ready(vif))
471 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
472 ath6kl_err("destroy in progress\n");
476 if (test_bit(SKIP_SCAN, &ar->flag) &&
477 ((sme->channel && sme->channel->center_freq == 0) ||
478 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
479 ath6kl_err("SkipScan: channel or bssid invalid\n");
483 if (down_interruptible(&ar->sem)) {
484 ath6kl_err("busy, couldn't get access\n");
488 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
489 ath6kl_err("busy, destroy in progress\n");
494 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
496 * sleep until the command queue drains
498 wait_event_interruptible_timeout(ar->event_wq,
499 ath6kl_is_tx_pending(ar),
501 if (signal_pending(current)) {
502 ath6kl_err("cmd queue drain timeout\n");
508 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
514 if (sme->ie == NULL || sme->ie_len == 0)
515 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
517 if (test_bit(CONNECTED, &vif->flags) &&
518 vif->ssid_len == sme->ssid_len &&
519 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
520 vif->reconnect_flag = true;
521 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
527 ath6kl_err("wmi_reconnect_cmd failed\n");
531 } else if (vif->ssid_len == sme->ssid_len &&
532 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
533 ath6kl_disconnect(vif);
536 memset(vif->ssid, 0, sizeof(vif->ssid));
537 vif->ssid_len = sme->ssid_len;
538 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
541 vif->ch_hint = sme->channel->center_freq;
543 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
544 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
545 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
547 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
549 status = ath6kl_set_auth_type(vif, sme->auth_type);
555 if (sme->crypto.n_ciphers_pairwise)
556 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
558 ath6kl_set_cipher(vif, 0, true);
560 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
562 if (sme->crypto.n_akm_suites)
563 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
565 if ((sme->key_len) &&
566 (vif->auth_mode == NONE_AUTH) &&
567 (vif->prwise_crypto == WEP_CRYPT)) {
568 struct ath6kl_key *key = NULL;
570 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
571 ath6kl_err("key index %d out of bounds\n",
577 key = &vif->keys[sme->key_idx];
578 key->key_len = sme->key_len;
579 memcpy(key->key, sme->key, key->key_len);
580 key->cipher = vif->prwise_crypto;
581 vif->def_txkey_index = sme->key_idx;
583 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
585 GROUP_USAGE | TX_USAGE,
588 key->key, KEY_OP_INIT_VAL, NULL,
592 if (!ar->usr_bss_filter) {
593 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
594 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
595 ALL_BSS_FILTER, 0) != 0) {
596 ath6kl_err("couldn't set bss filtering\n");
602 vif->nw_type = vif->next_mode;
604 /* enable enhanced bmiss detection if applicable */
605 ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
607 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
608 nw_subtype = SUBTYPE_P2PCLIENT;
610 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
611 "%s: connect called with authmode %d dot11 auth %d"
612 " PW crypto %d PW crypto len %d GRP crypto %d"
613 " GRP crypto len %d channel hint %u\n",
615 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
616 vif->prwise_crypto_len, vif->grp_crypto,
617 vif->grp_crypto_len, vif->ch_hint);
619 vif->reconnect_flag = 0;
621 if (vif->nw_type == INFRA_NETWORK) {
622 interval = max_t(u16, vif->listen_intvl_t,
623 ATH6KL_MAX_WOW_LISTEN_INTL);
624 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
628 ath6kl_err("couldn't set listen intervel\n");
634 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
635 vif->dot11_auth_mode, vif->auth_mode,
637 vif->prwise_crypto_len,
638 vif->grp_crypto, vif->grp_crypto_len,
639 vif->ssid_len, vif->ssid,
640 vif->req_bssid, vif->ch_hint,
641 ar->connect_ctrl_flags, nw_subtype);
643 if (sme->bg_scan_period == 0) {
644 /* disable background scan if period is 0 */
645 sme->bg_scan_period = 0xffff;
646 } else if (sme->bg_scan_period == -1) {
647 /* configure default value if not specified */
648 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
651 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0,
652 sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
656 if (status == -EINVAL) {
657 memset(vif->ssid, 0, sizeof(vif->ssid));
659 ath6kl_err("invalid request\n");
662 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
666 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
667 ((vif->auth_mode == WPA_PSK_AUTH) ||
668 (vif->auth_mode == WPA2_PSK_AUTH))) {
669 mod_timer(&vif->disconnect_timer,
670 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
673 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
674 set_bit(CONNECT_PEND, &vif->flags);
679 static struct cfg80211_bss *
680 ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
681 enum network_type nw_type,
683 struct ieee80211_channel *chan,
685 size_t beacon_ie_len)
687 struct ath6kl *ar = vif->ar;
688 struct cfg80211_bss *bss;
689 u16 cap_mask, cap_val;
692 if (nw_type & ADHOC_NETWORK) {
693 cap_mask = WLAN_CAPABILITY_IBSS;
694 cap_val = WLAN_CAPABILITY_IBSS;
696 cap_mask = WLAN_CAPABILITY_ESS;
697 cap_val = WLAN_CAPABILITY_ESS;
700 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
701 vif->ssid, vif->ssid_len,
705 * Since cfg80211 may not yet know about the BSS,
706 * generate a partial entry until the first BSS info
707 * event becomes available.
709 * Prepend SSID element since it is not included in the Beacon
710 * IEs from the target.
712 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
715 ie[0] = WLAN_EID_SSID;
716 ie[1] = vif->ssid_len;
717 memcpy(ie + 2, vif->ssid, vif->ssid_len);
718 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
719 bss = cfg80211_inform_bss(ar->wiphy, chan,
720 CFG80211_BSS_FTYPE_UNKNOWN,
721 bssid, 0, cap_val, 100,
722 ie, 2 + vif->ssid_len + beacon_ie_len,
725 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
726 "added bss %pM to cfg80211\n", bssid);
729 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
735 void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
736 u8 *bssid, u16 listen_intvl,
738 enum network_type nw_type,
739 u8 beacon_ie_len, u8 assoc_req_len,
740 u8 assoc_resp_len, u8 *assoc_info)
742 struct ieee80211_channel *chan;
743 struct ath6kl *ar = vif->ar;
744 struct cfg80211_bss *bss;
746 /* capinfo + listen interval */
747 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
749 /* capinfo + status code + associd */
750 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
752 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
753 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
754 assoc_resp_ie_offset;
756 assoc_req_len -= assoc_req_ie_offset;
757 assoc_resp_len -= assoc_resp_ie_offset;
760 * Store Beacon interval here; DTIM period will be available only once
761 * a Beacon frame from the AP is seen.
763 vif->assoc_bss_beacon_int = beacon_intvl;
764 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
766 if (nw_type & ADHOC_NETWORK) {
767 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
768 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
769 "%s: ath6k not in ibss mode\n", __func__);
774 if (nw_type & INFRA_NETWORK) {
775 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
776 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
777 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
778 "%s: ath6k not in station mode\n", __func__);
783 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
785 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
786 assoc_info, beacon_ie_len);
788 ath6kl_err("could not add cfg80211 bss entry\n");
792 if (nw_type & ADHOC_NETWORK) {
793 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
794 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
795 cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL);
796 cfg80211_put_bss(ar->wiphy, bss);
800 if (vif->sme_state == SME_CONNECTING) {
801 /* inform connect result to cfg80211 */
802 vif->sme_state = SME_CONNECTED;
803 cfg80211_connect_result(vif->ndev, bssid,
804 assoc_req_ie, assoc_req_len,
805 assoc_resp_ie, assoc_resp_len,
806 WLAN_STATUS_SUCCESS, GFP_KERNEL);
807 cfg80211_put_bss(ar->wiphy, bss);
808 } else if (vif->sme_state == SME_CONNECTED) {
809 /* inform roam event to cfg80211 */
810 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
811 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
815 static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
816 struct net_device *dev, u16 reason_code)
818 struct ath6kl *ar = ath6kl_priv(dev);
819 struct ath6kl_vif *vif = netdev_priv(dev);
821 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
824 ath6kl_cfg80211_sscan_disable(vif);
826 if (!ath6kl_cfg80211_ready(vif))
829 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
830 ath6kl_err("busy, destroy in progress\n");
834 if (down_interruptible(&ar->sem)) {
835 ath6kl_err("busy, couldn't get access\n");
839 vif->reconnect_flag = 0;
840 ath6kl_disconnect(vif);
841 memset(vif->ssid, 0, sizeof(vif->ssid));
844 if (!test_bit(SKIP_SCAN, &ar->flag))
845 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
849 vif->sme_state = SME_DISCONNECTED;
854 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
855 u8 *bssid, u8 assoc_resp_len,
856 u8 *assoc_info, u16 proto_reason)
858 struct ath6kl *ar = vif->ar;
861 cfg80211_scan_done(vif->scan_req, true);
862 vif->scan_req = NULL;
865 if (vif->nw_type & ADHOC_NETWORK) {
866 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC)
867 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
868 "%s: ath6k not in ibss mode\n", __func__);
872 if (vif->nw_type & INFRA_NETWORK) {
873 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
874 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
875 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
876 "%s: ath6k not in station mode\n", __func__);
881 clear_bit(CONNECT_PEND, &vif->flags);
883 if (vif->sme_state == SME_CONNECTING) {
884 cfg80211_connect_result(vif->ndev,
887 WLAN_STATUS_UNSPECIFIED_FAILURE,
889 } else if (vif->sme_state == SME_CONNECTED) {
890 cfg80211_disconnected(vif->ndev, proto_reason,
891 NULL, 0, GFP_KERNEL);
894 vif->sme_state = SME_DISCONNECTED;
897 * Send a disconnect command to target when a disconnect event is
898 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
899 * request from host) to make the firmware stop trying to connect even
900 * after giving disconnect event. There will be one more disconnect
901 * event for this disconnect command with reason code DISCONNECT_CMD
902 * which won't be notified to cfg80211.
904 if (reason != DISCONNECT_CMD)
905 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
908 static int ath6kl_set_probed_ssids(struct ath6kl *ar,
909 struct ath6kl_vif *vif,
910 struct cfg80211_ssid *ssids, int n_ssids,
911 struct cfg80211_match_set *match_set,
914 u8 i, j, index_to_add, ssid_found = false;
915 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
917 memset(ssid_list, 0, sizeof(ssid_list));
919 if (n_ssids > MAX_PROBED_SSIDS ||
920 n_match_ssid > MAX_PROBED_SSIDS)
923 for (i = 0; i < n_ssids; i++) {
924 memcpy(ssid_list[i].ssid.ssid,
927 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
929 if (ssids[i].ssid_len)
930 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
932 ssid_list[i].flag = ANY_SSID_FLAG;
934 if (n_match_ssid == 0)
935 ssid_list[i].flag |= MATCH_SSID_FLAG;
940 for (i = 0; i < n_match_ssid; i++) {
943 for (j = 0; j < n_ssids; j++) {
944 if ((match_set[i].ssid.ssid_len ==
945 ssid_list[j].ssid.ssid_len) &&
946 (!memcmp(ssid_list[j].ssid.ssid,
947 match_set[i].ssid.ssid,
948 match_set[i].ssid.ssid_len))) {
949 ssid_list[j].flag |= MATCH_SSID_FLAG;
958 if (index_to_add >= MAX_PROBED_SSIDS)
961 ssid_list[index_to_add].ssid.ssid_len =
962 match_set[i].ssid.ssid_len;
963 memcpy(ssid_list[index_to_add].ssid.ssid,
964 match_set[i].ssid.ssid,
965 match_set[i].ssid.ssid_len);
966 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
970 for (i = 0; i < index_to_add; i++) {
971 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
973 ssid_list[i].ssid.ssid_len,
974 ssid_list[i].ssid.ssid);
977 /* Make sure no old entries are left behind */
978 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
979 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
980 DISABLE_SSID_FLAG, 0, NULL);
986 static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
987 struct cfg80211_scan_request *request)
989 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
990 struct ath6kl *ar = ath6kl_priv(vif->ndev);
992 u16 *channels = NULL;
994 u32 force_fg_scan = 0;
996 if (!ath6kl_cfg80211_ready(vif))
999 ath6kl_cfg80211_sscan_disable(vif);
1001 if (!ar->usr_bss_filter) {
1002 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1003 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1006 ath6kl_err("couldn't set bss filtering\n");
1011 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
1012 request->n_ssids, NULL, 0);
1016 /* this also clears IE in fw if it's not set */
1017 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1018 WMI_FRAME_PROBE_REQ,
1019 request->ie, request->ie_len);
1021 ath6kl_err("failed to set Probe Request appie for scan\n");
1026 * Scan only the requested channels if the request specifies a set of
1027 * channels. If the list is longer than the target supports, do not
1028 * configure the list and instead, scan all available channels.
1030 if (request->n_channels > 0 &&
1031 request->n_channels <= WMI_MAX_CHANNELS) {
1034 n_channels = request->n_channels;
1036 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1037 if (channels == NULL) {
1038 ath6kl_warn("failed to set scan channels, scan all channels");
1042 for (i = 0; i < n_channels; i++)
1043 channels[i] = request->channels[i]->center_freq;
1046 if (test_bit(CONNECTED, &vif->flags))
1049 vif->scan_req = request;
1051 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1052 WMI_LONG_SCAN, force_fg_scan,
1054 ATH6KL_FG_SCAN_INTERVAL,
1055 n_channels, channels,
1059 ath6kl_err("failed to start scan: %d\n", ret);
1060 vif->scan_req = NULL;
1068 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1070 struct ath6kl *ar = vif->ar;
1073 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1074 aborted ? " aborted" : "");
1082 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1083 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1084 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1085 i + 1, DISABLE_SSID_FLAG,
1091 cfg80211_scan_done(vif->scan_req, aborted);
1092 vif->scan_req = NULL;
1095 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1096 enum wmi_phy_mode mode)
1098 struct cfg80211_chan_def chandef;
1100 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1101 "channel switch notify nw_type %d freq %d mode %d\n",
1102 vif->nw_type, freq, mode);
1104 cfg80211_chandef_create(&chandef,
1105 ieee80211_get_channel(vif->ar->wiphy, freq),
1106 (mode == WMI_11G_HT20) ?
1107 NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT);
1109 mutex_lock(&vif->wdev.mtx);
1110 cfg80211_ch_switch_notify(vif->ndev, &chandef);
1111 mutex_unlock(&vif->wdev.mtx);
1114 static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1115 u8 key_index, bool pairwise,
1117 struct key_params *params)
1119 struct ath6kl *ar = ath6kl_priv(ndev);
1120 struct ath6kl_vif *vif = netdev_priv(ndev);
1121 struct ath6kl_key *key = NULL;
1126 if (!ath6kl_cfg80211_ready(vif))
1129 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1130 if (params->key_len != WMI_KRK_LEN)
1132 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1136 if (key_index > WMI_MAX_KEY_INDEX) {
1137 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1138 "%s: key index %d out of bounds\n", __func__,
1143 key = &vif->keys[key_index];
1144 memset(key, 0, sizeof(struct ath6kl_key));
1147 key_usage = PAIRWISE_USAGE;
1149 key_usage = GROUP_USAGE;
1151 seq_len = params->seq_len;
1152 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1153 seq_len > ATH6KL_KEY_SEQ_LEN) {
1154 /* Only first half of the WPI PN is configured */
1155 seq_len = ATH6KL_KEY_SEQ_LEN;
1157 if (params->key_len > WLAN_MAX_KEY_LEN ||
1158 seq_len > sizeof(key->seq))
1161 key->key_len = params->key_len;
1162 memcpy(key->key, params->key, key->key_len);
1163 key->seq_len = seq_len;
1164 memcpy(key->seq, params->seq, key->seq_len);
1165 key->cipher = params->cipher;
1167 switch (key->cipher) {
1168 case WLAN_CIPHER_SUITE_WEP40:
1169 case WLAN_CIPHER_SUITE_WEP104:
1170 key_type = WEP_CRYPT;
1173 case WLAN_CIPHER_SUITE_TKIP:
1174 key_type = TKIP_CRYPT;
1177 case WLAN_CIPHER_SUITE_CCMP:
1178 key_type = AES_CRYPT;
1180 case WLAN_CIPHER_SUITE_SMS4:
1181 key_type = WAPI_CRYPT;
1188 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1189 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1190 (key_usage & GROUP_USAGE))
1191 del_timer(&vif->disconnect_timer);
1193 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1194 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1195 __func__, key_index, key->key_len, key_type,
1196 key_usage, key->seq_len);
1198 if (vif->nw_type == AP_NETWORK && !pairwise &&
1199 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1200 key_type == WAPI_CRYPT)) {
1201 ar->ap_mode_bkey.valid = true;
1202 ar->ap_mode_bkey.key_index = key_index;
1203 ar->ap_mode_bkey.key_type = key_type;
1204 ar->ap_mode_bkey.key_len = key->key_len;
1205 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1206 if (!test_bit(CONNECTED, &vif->flags)) {
1207 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1208 "Delay initial group key configuration until AP mode has been started\n");
1210 * The key will be set in ath6kl_connect_ap_mode() once
1211 * the connected event is received from the target.
1217 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1218 !test_bit(CONNECTED, &vif->flags)) {
1220 * Store the key locally so that it can be re-configured after
1221 * the AP mode has properly started
1222 * (ath6kl_install_statioc_wep_keys).
1224 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1225 "Delay WEP key configuration until AP mode has been started\n");
1226 vif->wep_key_list[key_index].key_len = key->key_len;
1227 memcpy(vif->wep_key_list[key_index].key, key->key,
1232 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1233 key_type, key_usage, key->key_len,
1234 key->seq, key->seq_len, key->key,
1236 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1239 static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1240 u8 key_index, bool pairwise,
1243 struct ath6kl *ar = ath6kl_priv(ndev);
1244 struct ath6kl_vif *vif = netdev_priv(ndev);
1246 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1248 if (!ath6kl_cfg80211_ready(vif))
1251 if (key_index > WMI_MAX_KEY_INDEX) {
1252 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1253 "%s: key index %d out of bounds\n", __func__,
1258 if (!vif->keys[key_index].key_len) {
1259 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1260 "%s: index %d is empty\n", __func__, key_index);
1264 vif->keys[key_index].key_len = 0;
1266 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1269 static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1270 u8 key_index, bool pairwise,
1271 const u8 *mac_addr, void *cookie,
1272 void (*callback) (void *cookie,
1273 struct key_params *))
1275 struct ath6kl_vif *vif = netdev_priv(ndev);
1276 struct ath6kl_key *key = NULL;
1277 struct key_params params;
1279 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1281 if (!ath6kl_cfg80211_ready(vif))
1284 if (key_index > WMI_MAX_KEY_INDEX) {
1285 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1286 "%s: key index %d out of bounds\n", __func__,
1291 key = &vif->keys[key_index];
1292 memset(¶ms, 0, sizeof(params));
1293 params.cipher = key->cipher;
1294 params.key_len = key->key_len;
1295 params.seq_len = key->seq_len;
1296 params.seq = key->seq;
1297 params.key = key->key;
1299 callback(cookie, ¶ms);
1301 return key->key_len ? 0 : -ENOENT;
1304 static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1305 struct net_device *ndev,
1306 u8 key_index, bool unicast,
1309 struct ath6kl *ar = ath6kl_priv(ndev);
1310 struct ath6kl_vif *vif = netdev_priv(ndev);
1311 struct ath6kl_key *key = NULL;
1313 enum crypto_type key_type = NONE_CRYPT;
1315 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1317 if (!ath6kl_cfg80211_ready(vif))
1320 if (key_index > WMI_MAX_KEY_INDEX) {
1321 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1322 "%s: key index %d out of bounds\n",
1323 __func__, key_index);
1327 if (!vif->keys[key_index].key_len) {
1328 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1329 __func__, key_index);
1333 vif->def_txkey_index = key_index;
1334 key = &vif->keys[vif->def_txkey_index];
1335 key_usage = GROUP_USAGE;
1336 if (vif->prwise_crypto == WEP_CRYPT)
1337 key_usage |= TX_USAGE;
1339 key_type = vif->prwise_crypto;
1341 key_type = vif->grp_crypto;
1343 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1344 return 0; /* Delay until AP mode has been started */
1346 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1347 vif->def_txkey_index,
1348 key_type, key_usage,
1349 key->key_len, key->seq, key->seq_len,
1351 KEY_OP_INIT_VAL, NULL,
1355 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1358 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1359 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1361 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1362 (ismcast ? NL80211_KEYTYPE_GROUP :
1363 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1367 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1369 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1370 struct ath6kl_vif *vif;
1373 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1376 vif = ath6kl_vif_first(ar);
1380 if (!ath6kl_cfg80211_ready(vif))
1383 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1384 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1386 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1394 static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1395 struct wireless_dev *wdev,
1396 enum nl80211_tx_power_setting type,
1399 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1400 struct ath6kl_vif *vif;
1401 int dbm = MBM_TO_DBM(mbm);
1403 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1406 vif = ath6kl_vif_first(ar);
1410 if (!ath6kl_cfg80211_ready(vif))
1414 case NL80211_TX_POWER_AUTOMATIC:
1416 case NL80211_TX_POWER_LIMITED:
1420 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1425 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
1430 static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy,
1431 struct wireless_dev *wdev,
1434 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1435 struct ath6kl_vif *vif;
1437 vif = ath6kl_vif_first(ar);
1441 if (!ath6kl_cfg80211_ready(vif))
1444 if (test_bit(CONNECTED, &vif->flags)) {
1447 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1448 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1452 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1455 if (signal_pending(current)) {
1456 ath6kl_err("target did not respond\n");
1465 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1466 struct net_device *dev,
1467 bool pmgmt, int timeout)
1469 struct ath6kl *ar = ath6kl_priv(dev);
1470 struct wmi_power_mode_cmd mode;
1471 struct ath6kl_vif *vif = netdev_priv(dev);
1473 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1474 __func__, pmgmt, timeout);
1476 if (!ath6kl_cfg80211_ready(vif))
1480 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1481 mode.pwr_mode = REC_POWER;
1483 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1484 mode.pwr_mode = MAX_PERF_POWER;
1487 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1488 mode.pwr_mode) != 0) {
1489 ath6kl_err("wmi_powermode_cmd failed\n");
1496 static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1498 enum nl80211_iftype type,
1500 struct vif_params *params)
1502 struct ath6kl *ar = wiphy_priv(wiphy);
1503 struct wireless_dev *wdev;
1506 if (ar->num_vif == ar->vif_max) {
1507 ath6kl_err("Reached maximum number of supported vif\n");
1508 return ERR_PTR(-EINVAL);
1511 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1512 ath6kl_err("Not a supported interface type\n");
1513 return ERR_PTR(-EINVAL);
1516 wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1518 return ERR_PTR(-ENOMEM);
1525 static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1526 struct wireless_dev *wdev)
1528 struct ath6kl *ar = wiphy_priv(wiphy);
1529 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
1531 spin_lock_bh(&ar->list_lock);
1532 list_del(&vif->list);
1533 spin_unlock_bh(&ar->list_lock);
1535 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
1538 ath6kl_cfg80211_vif_cleanup(vif);
1544 static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1545 struct net_device *ndev,
1546 enum nl80211_iftype type, u32 *flags,
1547 struct vif_params *params)
1549 struct ath6kl_vif *vif = netdev_priv(ndev);
1552 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1555 * Don't bring up p2p on an interface which is not initialized
1556 * for p2p operation where fw does not have capability to switch
1557 * dynamically between non-p2p and p2p type interface.
1559 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1560 vif->ar->fw_capabilities) &&
1561 (type == NL80211_IFTYPE_P2P_CLIENT ||
1562 type == NL80211_IFTYPE_P2P_GO)) {
1563 if (vif->ar->vif_max == 1) {
1564 if (vif->fw_vif_idx != 0)
1567 goto set_iface_type;
1570 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1571 if (i == vif->fw_vif_idx)
1575 if (i == vif->ar->vif_max) {
1576 ath6kl_err("Invalid interface to bring up P2P\n");
1581 /* need to clean up enhanced bmiss detection fw state */
1582 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1586 case NL80211_IFTYPE_STATION:
1587 case NL80211_IFTYPE_P2P_CLIENT:
1588 vif->next_mode = INFRA_NETWORK;
1590 case NL80211_IFTYPE_ADHOC:
1591 vif->next_mode = ADHOC_NETWORK;
1593 case NL80211_IFTYPE_AP:
1594 case NL80211_IFTYPE_P2P_GO:
1595 vif->next_mode = AP_NETWORK;
1598 ath6kl_err("invalid interface type %u\n", type);
1602 vif->wdev.iftype = type;
1607 static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1608 struct net_device *dev,
1609 struct cfg80211_ibss_params *ibss_param)
1611 struct ath6kl *ar = ath6kl_priv(dev);
1612 struct ath6kl_vif *vif = netdev_priv(dev);
1615 if (!ath6kl_cfg80211_ready(vif))
1618 vif->ssid_len = ibss_param->ssid_len;
1619 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
1621 if (ibss_param->chandef.chan)
1622 vif->ch_hint = ibss_param->chandef.chan->center_freq;
1624 if (ibss_param->channel_fixed) {
1626 * TODO: channel_fixed: The channel should be fixed, do not
1627 * search for IBSSs to join on other channels. Target
1628 * firmware does not support this feature, needs to be
1634 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
1635 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
1636 memcpy(vif->req_bssid, ibss_param->bssid,
1637 sizeof(vif->req_bssid));
1639 ath6kl_set_wpa_version(vif, 0);
1641 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
1645 if (ibss_param->privacy) {
1646 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1647 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
1649 ath6kl_set_cipher(vif, 0, true);
1650 ath6kl_set_cipher(vif, 0, false);
1653 vif->nw_type = vif->next_mode;
1655 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1656 "%s: connect called with authmode %d dot11 auth %d"
1657 " PW crypto %d PW crypto len %d GRP crypto %d"
1658 " GRP crypto len %d channel hint %u\n",
1660 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1661 vif->prwise_crypto_len, vif->grp_crypto,
1662 vif->grp_crypto_len, vif->ch_hint);
1664 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
1665 vif->dot11_auth_mode, vif->auth_mode,
1667 vif->prwise_crypto_len,
1668 vif->grp_crypto, vif->grp_crypto_len,
1669 vif->ssid_len, vif->ssid,
1670 vif->req_bssid, vif->ch_hint,
1671 ar->connect_ctrl_flags, SUBTYPE_NONE);
1672 set_bit(CONNECT_PEND, &vif->flags);
1677 static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1678 struct net_device *dev)
1680 struct ath6kl_vif *vif = netdev_priv(dev);
1682 if (!ath6kl_cfg80211_ready(vif))
1685 ath6kl_disconnect(vif);
1686 memset(vif->ssid, 0, sizeof(vif->ssid));
1692 static const u32 cipher_suites[] = {
1693 WLAN_CIPHER_SUITE_WEP40,
1694 WLAN_CIPHER_SUITE_WEP104,
1695 WLAN_CIPHER_SUITE_TKIP,
1696 WLAN_CIPHER_SUITE_CCMP,
1697 CCKM_KRK_CIPHER_SUITE,
1698 WLAN_CIPHER_SUITE_SMS4,
1701 static bool is_rate_legacy(s32 rate)
1703 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1704 6000, 9000, 12000, 18000, 24000,
1709 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1710 if (rate == legacy[i])
1716 static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1718 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1719 52000, 58500, 65000, 72200
1723 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1724 if (rate == ht20[i]) {
1725 if (i == ARRAY_SIZE(ht20) - 1)
1726 /* last rate uses sgi */
1738 static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1740 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1741 81000, 108000, 121500, 135000,
1746 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1747 if (rate == ht40[i]) {
1748 if (i == ARRAY_SIZE(ht40) - 1)
1749 /* last rate uses sgi */
1762 static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1763 const u8 *mac, struct station_info *sinfo)
1765 struct ath6kl *ar = ath6kl_priv(dev);
1766 struct ath6kl_vif *vif = netdev_priv(dev);
1773 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
1776 if (down_interruptible(&ar->sem))
1779 set_bit(STATS_UPDATE_PEND, &vif->flags);
1781 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
1788 left = wait_event_interruptible_timeout(ar->event_wq,
1789 !test_bit(STATS_UPDATE_PEND,
1800 if (vif->target_stats.rx_byte) {
1801 sinfo->rx_bytes = vif->target_stats.rx_byte;
1802 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64);
1803 sinfo->rx_packets = vif->target_stats.rx_pkt;
1804 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);
1807 if (vif->target_stats.tx_byte) {
1808 sinfo->tx_bytes = vif->target_stats.tx_byte;
1809 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64);
1810 sinfo->tx_packets = vif->target_stats.tx_pkt;
1811 sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);
1814 sinfo->signal = vif->target_stats.cs_rssi;
1815 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
1817 rate = vif->target_stats.tx_ucast_rate;
1819 if (is_rate_legacy(rate)) {
1820 sinfo->txrate.legacy = rate / 100;
1821 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1823 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1824 sinfo->txrate.mcs = mcs - 1;
1826 sinfo->txrate.mcs = mcs;
1829 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1830 sinfo->txrate.bw = RATE_INFO_BW_20;
1831 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1833 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1834 sinfo->txrate.mcs = mcs - 1;
1836 sinfo->txrate.mcs = mcs;
1839 sinfo->txrate.bw = RATE_INFO_BW_40;
1840 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1842 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1843 "invalid rate from stats: %d\n", rate);
1844 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
1848 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
1850 if (test_bit(CONNECTED, &vif->flags) &&
1851 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
1852 vif->nw_type == INFRA_NETWORK) {
1853 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1854 sinfo->bss_param.flags = 0;
1855 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1856 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
1862 static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1863 struct cfg80211_pmksa *pmksa)
1865 struct ath6kl *ar = ath6kl_priv(netdev);
1866 struct ath6kl_vif *vif = netdev_priv(netdev);
1868 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1869 pmksa->pmkid, true);
1872 static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1873 struct cfg80211_pmksa *pmksa)
1875 struct ath6kl *ar = ath6kl_priv(netdev);
1876 struct ath6kl_vif *vif = netdev_priv(netdev);
1878 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1879 pmksa->pmkid, false);
1882 static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1884 struct ath6kl *ar = ath6kl_priv(netdev);
1885 struct ath6kl_vif *vif = netdev_priv(netdev);
1887 if (test_bit(CONNECTED, &vif->flags))
1888 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1889 vif->bssid, NULL, false);
1893 static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1894 struct cfg80211_wowlan *wow, u32 *filter)
1897 u8 mask[WOW_PATTERN_SIZE];
1900 /* Configure the patterns that we received from the user. */
1901 for (i = 0; i < wow->n_patterns; i++) {
1903 * Convert given nl80211 specific mask value to equivalent
1904 * driver specific mask value and send it to the chip along
1905 * with patterns. For example, If the mask value defined in
1906 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1907 * then equivalent driver specific mask value is
1908 * "0xFF 0x00 0xFF 0x00".
1910 memset(&mask, 0, sizeof(mask));
1911 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1912 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1916 * Note: Pattern's offset is not passed as part of wowlan
1917 * parameter from CFG layer. So it's always passed as ZERO
1918 * to the firmware. It means, given WOW patterns are always
1919 * matched from the first byte of received pkt in the firmware.
1921 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1922 vif->fw_vif_idx, WOW_LIST_ID,
1923 wow->patterns[i].pattern_len,
1924 0 /* pattern offset */,
1925 wow->patterns[i].pattern, mask);
1930 if (wow->disconnect)
1931 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1934 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1936 if (wow->gtk_rekey_failure)
1937 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1939 if (wow->eap_identity_req)
1940 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1942 if (wow->four_way_handshake)
1943 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1948 static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1950 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1951 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1952 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1954 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1955 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1956 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1958 u8 unicst_offset = 0;
1959 static const u8 arp_pattern[] = { 0x08, 0x06 };
1960 static const u8 arp_mask[] = { 0xff, 0xff };
1962 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1963 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1964 u8 discvr_offset = 38;
1965 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1966 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1967 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1968 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1969 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1970 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1971 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1972 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1973 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1974 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1975 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1976 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1980 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1981 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1982 vif->fw_vif_idx, WOW_LIST_ID,
1983 sizeof(unicst_pattern), unicst_offset,
1984 unicst_pattern, unicst_mask);
1986 ath6kl_err("failed to add WOW unicast IP pattern\n");
1990 /* Setup all ARP pkt pattern */
1991 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1992 vif->fw_vif_idx, WOW_LIST_ID,
1993 sizeof(arp_pattern), arp_offset,
1994 arp_pattern, arp_mask);
1996 ath6kl_err("failed to add WOW ARP pattern\n");
2001 * Setup multicast pattern for mDNS 224.0.0.251,
2002 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2004 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2005 vif->fw_vif_idx, WOW_LIST_ID,
2006 sizeof(discvr_pattern), discvr_offset,
2007 discvr_pattern, discvr_mask);
2009 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2013 /* Setup all DHCP broadcast pkt pattern */
2014 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2015 vif->fw_vif_idx, WOW_LIST_ID,
2016 sizeof(dhcp_pattern), dhcp_offset,
2017 dhcp_pattern, dhcp_mask);
2019 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2026 static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2028 struct net_device *ndev = vif->ndev;
2029 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2030 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2031 u8 discvr_offset = 38;
2032 u8 mac_mask[ETH_ALEN];
2035 /* Setup unicast pkt pattern */
2036 memset(mac_mask, 0xff, ETH_ALEN);
2037 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2038 vif->fw_vif_idx, WOW_LIST_ID,
2039 ETH_ALEN, 0, ndev->dev_addr,
2042 ath6kl_err("failed to add WOW unicast pattern\n");
2047 * Setup multicast pattern for mDNS 224.0.0.251,
2048 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2050 if ((ndev->flags & IFF_ALLMULTI) ||
2051 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2052 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2053 vif->fw_vif_idx, WOW_LIST_ID,
2054 sizeof(discvr_pattern), discvr_offset,
2055 discvr_pattern, discvr_mask);
2057 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2065 static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2067 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2070 static bool is_ctrl_ep_empty(struct ath6kl *ar)
2072 return !ar->tx_pending[ar->ctrl_ep];
2075 static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2079 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2081 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2082 ATH6KL_HOST_MODE_ASLEEP);
2086 left = wait_event_interruptible_timeout(ar->event_wq,
2087 is_hsleep_mode_procsed(vif),
2090 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2092 } else if (left < 0) {
2093 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2098 if (ar->tx_pending[ar->ctrl_ep]) {
2099 left = wait_event_interruptible_timeout(ar->event_wq,
2100 is_ctrl_ep_empty(ar),
2103 ath6kl_warn("clear wmi ctrl data timeout\n");
2105 } else if (left < 0) {
2106 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2114 static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2115 struct cfg80211_wowlan *wow, u32 *filter)
2117 struct ath6kl *ar = vif->ar;
2118 struct in_device *in_dev;
2119 struct in_ifaddr *ifa;
2122 __be32 ips[MAX_IP_ADDRS];
2125 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2126 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2127 ar->fw_capabilities)) {
2128 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2129 vif->fw_vif_idx, false);
2134 /* Clear existing WOW patterns */
2135 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2136 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2140 * Skip the default WOW pattern configuration
2141 * if the driver receives any WOW patterns from
2145 ret = ath6kl_wow_usr(ar, vif, wow, filter);
2146 else if (vif->nw_type == AP_NETWORK)
2147 ret = ath6kl_wow_ap(ar, vif);
2149 ret = ath6kl_wow_sta(ar, vif);
2154 netif_stop_queue(vif->ndev);
2156 if (vif->nw_type != AP_NETWORK) {
2157 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2158 ATH6KL_MAX_WOW_LISTEN_INTL,
2163 /* Set listen interval x 15 times as bmiss time */
2164 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2165 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2166 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2168 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2173 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2174 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2180 /* Setup own IP addr for ARP agent. */
2181 in_dev = __in_dev_get_rtnl(vif->ndev);
2185 ifa = in_dev->ifa_list;
2186 memset(&ips, 0, sizeof(ips));
2188 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2189 while (index < MAX_IP_ADDRS && ifa) {
2190 ips[index] = ifa->ifa_local;
2191 ifa = ifa->ifa_next;
2196 ath6kl_err("total IP addr count is exceeding fw limit\n");
2200 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2202 ath6kl_err("fail to setup ip for arp agent\n");
2209 static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2211 struct ath6kl_vif *first_vif, *vif;
2214 bool connected = false;
2216 /* enter / leave wow suspend on first vif always */
2217 first_vif = ath6kl_vif_first(ar);
2218 if (WARN_ON(unlikely(!first_vif)) ||
2219 !ath6kl_cfg80211_ready(first_vif))
2222 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2225 /* install filters for each connected vif */
2226 spin_lock_bh(&ar->list_lock);
2227 list_for_each_entry(vif, &ar->vif_list, list) {
2228 if (!test_bit(CONNECTED, &vif->flags) ||
2229 !ath6kl_cfg80211_ready(vif))
2233 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2237 spin_unlock_bh(&ar->list_lock);
2244 ar->state = ATH6KL_STATE_SUSPENDING;
2246 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
2247 ATH6KL_WOW_MODE_ENABLE,
2249 WOW_HOST_REQ_DELAY);
2253 return ath6kl_cfg80211_host_sleep(ar, first_vif);
2256 static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
2258 struct ath6kl *ar = vif->ar;
2261 if (vif->nw_type != AP_NETWORK) {
2262 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2263 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2267 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2268 vif->listen_intvl_t, 0);
2272 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2273 vif->bmiss_time_t, 0);
2278 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2279 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2280 ar->fw_capabilities)) {
2281 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2282 vif->fw_vif_idx, true);
2287 netif_wake_queue(vif->ndev);
2292 static int ath6kl_wow_resume(struct ath6kl *ar)
2294 struct ath6kl_vif *vif;
2297 vif = ath6kl_vif_first(ar);
2298 if (WARN_ON(unlikely(!vif)) ||
2299 !ath6kl_cfg80211_ready(vif))
2302 ar->state = ATH6KL_STATE_RESUMING;
2304 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2305 ATH6KL_HOST_MODE_AWAKE);
2307 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2312 spin_lock_bh(&ar->list_lock);
2313 list_for_each_entry(vif, &ar->vif_list, list) {
2314 if (!test_bit(CONNECTED, &vif->flags) ||
2315 !ath6kl_cfg80211_ready(vif))
2317 ret = ath6kl_wow_resume_vif(vif);
2321 spin_unlock_bh(&ar->list_lock);
2326 ar->state = ATH6KL_STATE_ON;
2330 ar->state = ATH6KL_STATE_WOW;
2334 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2336 struct ath6kl_vif *vif;
2339 vif = ath6kl_vif_first(ar);
2343 if (!test_bit(WMI_READY, &ar->flag)) {
2344 ath6kl_err("deepsleep failed as wmi is not ready\n");
2348 ath6kl_cfg80211_stop_all(ar);
2350 /* Save the current power mode before enabling power save */
2351 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2353 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2357 /* Disable WOW mode */
2358 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2359 ATH6KL_WOW_MODE_DISABLE,
2364 /* Flush all non control pkts in TX path */
2365 ath6kl_tx_data_cleanup(ar);
2367 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2374 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2376 struct ath6kl_vif *vif;
2379 vif = ath6kl_vif_first(ar);
2384 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2385 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2386 ar->wmi->saved_pwr_mode);
2391 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2392 ATH6KL_HOST_MODE_AWAKE);
2396 ar->state = ATH6KL_STATE_ON;
2398 /* Reset scan parameter to default values */
2399 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2400 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2407 int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2408 enum ath6kl_cfg_suspend_mode mode,
2409 struct cfg80211_wowlan *wow)
2411 struct ath6kl_vif *vif;
2412 enum ath6kl_state prev_state;
2416 case ATH6KL_CFG_SUSPEND_WOW:
2418 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2420 /* Flush all non control pkts in TX path */
2421 ath6kl_tx_data_cleanup(ar);
2423 prev_state = ar->state;
2425 ret = ath6kl_wow_suspend(ar, wow);
2427 ar->state = prev_state;
2431 ar->state = ATH6KL_STATE_WOW;
2434 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2436 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
2438 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
2440 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2444 ar->state = ATH6KL_STATE_DEEPSLEEP;
2448 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2450 ath6kl_cfg80211_stop_all(ar);
2452 if (ar->state == ATH6KL_STATE_OFF) {
2453 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2454 "suspend hw off, no action for cutpower\n");
2458 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2460 ret = ath6kl_init_hw_stop(ar);
2462 ath6kl_warn("failed to stop hw during suspend: %d\n",
2466 ar->state = ATH6KL_STATE_CUTPOWER;
2474 list_for_each_entry(vif, &ar->vif_list, list)
2475 ath6kl_cfg80211_scan_complete_event(vif, true);
2479 EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2481 int ath6kl_cfg80211_resume(struct ath6kl *ar)
2485 switch (ar->state) {
2486 case ATH6KL_STATE_WOW:
2487 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2489 ret = ath6kl_wow_resume(ar);
2491 ath6kl_warn("wow mode resume failed: %d\n", ret);
2497 case ATH6KL_STATE_DEEPSLEEP:
2498 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
2500 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2502 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2507 case ATH6KL_STATE_CUTPOWER:
2508 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2510 ret = ath6kl_init_hw_start(ar);
2512 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2523 EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2527 /* hif layer decides what suspend mode to use */
2528 static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2529 struct cfg80211_wowlan *wow)
2531 struct ath6kl *ar = wiphy_priv(wiphy);
2533 ath6kl_recovery_suspend(ar);
2535 return ath6kl_hif_suspend(ar, wow);
2538 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2540 struct ath6kl *ar = wiphy_priv(wiphy);
2543 err = ath6kl_hif_resume(ar);
2547 ath6kl_recovery_resume(ar);
2553 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2554 * both sdio irq wake up and keep power. The target pulls sdio data line to
2555 * wake up the host when WOW pattern matches. This causes sdio irq handler
2556 * is being called in the host side which internally hits ath6kl's RX path.
2558 * Since sdio interrupt is not disabled, RX path executes even before
2559 * the host executes the actual resume operation from PM module.
2561 * In the current scenario, WOW resume should happen before start processing
2562 * any data from the target. So It's required to perform WOW resume in RX path.
2563 * Ideally we should perform WOW resume only in the actual platform
2564 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2566 * ath6kl_check_wow_status() is called from ath6kl_rx().
2568 void ath6kl_check_wow_status(struct ath6kl *ar)
2570 if (ar->state == ATH6KL_STATE_SUSPENDING)
2573 if (ar->state == ATH6KL_STATE_WOW)
2574 ath6kl_cfg80211_resume(ar);
2579 void ath6kl_check_wow_status(struct ath6kl *ar)
2584 static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2587 struct ath6kl_htcap *htcap = &vif->htcap[band];
2589 if (htcap->ht_enable == ht_enable)
2593 /* Set default ht capabilities */
2594 htcap->ht_enable = true;
2595 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2596 ath6kl_g_htcap : ath6kl_a_htcap;
2597 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2598 } else /* Disable ht */
2599 memset(htcap, 0, sizeof(*htcap));
2601 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2605 static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2607 struct wiphy *wiphy = vif->ar->wiphy;
2610 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2611 if (!wiphy->bands[band])
2614 ret = ath6kl_set_htcap(vif, band,
2615 wiphy->bands[band]->ht_cap.ht_supported);
2623 static bool ath6kl_is_p2p_ie(const u8 *pos)
2625 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2626 pos[2] == 0x50 && pos[3] == 0x6f &&
2627 pos[4] == 0x9a && pos[5] == 0x09;
2630 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2631 const u8 *ies, size_t ies_len)
2633 struct ath6kl *ar = vif->ar;
2640 * Filter out P2P IE(s) since they will be included depending on
2641 * the Probe Request frame in ath6kl_send_go_probe_resp().
2644 if (ies && ies_len) {
2645 buf = kmalloc(ies_len, GFP_KERNEL);
2649 while (pos + 1 < ies + ies_len) {
2650 if (pos + 2 + pos[1] > ies + ies_len)
2652 if (!ath6kl_is_p2p_ie(pos)) {
2653 memcpy(buf + len, pos, 2 + pos[1]);
2660 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2661 WMI_FRAME_PROBE_RESP, buf, len);
2666 static int ath6kl_set_ies(struct ath6kl_vif *vif,
2667 struct cfg80211_beacon_data *info)
2669 struct ath6kl *ar = vif->ar;
2672 /* this also clears IE in fw if it's not set */
2673 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2676 info->beacon_ies_len);
2680 /* this also clears IE in fw if it's not set */
2681 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2682 info->proberesp_ies_len);
2686 /* this also clears IE in fw if it's not set */
2687 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2688 WMI_FRAME_ASSOC_RESP,
2689 info->assocresp_ies,
2690 info->assocresp_ies_len);
2697 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2707 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2711 rsn_ie_len = *(rsn_ie + 1);
2712 /* skip element id and length */
2721 /* skip group cipher suite */
2727 /* skip pairwise cipher suite */
2730 cnt = get_unaligned_le16(rsn_ie);
2731 rsn_ie += (2 + cnt * 4);
2732 rsn_ie_len -= (2 + cnt * 4);
2734 /* skip akm suite */
2737 cnt = get_unaligned_le16(rsn_ie);
2738 rsn_ie += (2 + cnt * 4);
2739 rsn_ie_len -= (2 + cnt * 4);
2744 memcpy(rsn_capab, rsn_ie, 2);
2749 static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2750 struct cfg80211_ap_settings *info)
2752 struct ath6kl *ar = ath6kl_priv(dev);
2753 struct ath6kl_vif *vif = netdev_priv(dev);
2754 struct ieee80211_mgmt *mgmt;
2755 bool hidden = false;
2758 struct wmi_connect_cmd p;
2762 int inactivity_timeout = 0;
2764 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2766 if (!ath6kl_cfg80211_ready(vif))
2769 if (vif->next_mode != AP_NETWORK)
2772 res = ath6kl_set_ies(vif, &info->beacon);
2774 ar->ap_mode_bkey.valid = false;
2776 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2777 info->beacon_interval);
2780 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
2782 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2785 /* ignore error, just print a warning and continue normally */
2787 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2789 if (info->beacon.head == NULL)
2791 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2792 ies = mgmt->u.beacon.variable;
2793 if (ies > info->beacon.head + info->beacon.head_len)
2795 ies_len = info->beacon.head + info->beacon.head_len - ies;
2797 if (info->ssid == NULL)
2799 memcpy(vif->ssid, info->ssid, info->ssid_len);
2800 vif->ssid_len = info->ssid_len;
2801 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2804 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2808 ret = ath6kl_set_auth_type(vif, info->auth_type);
2812 memset(&p, 0, sizeof(p));
2814 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2815 switch (info->crypto.akm_suites[i]) {
2816 case WLAN_AKM_SUITE_8021X:
2817 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2818 p.auth_mode |= WPA_AUTH;
2819 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2820 p.auth_mode |= WPA2_AUTH;
2822 case WLAN_AKM_SUITE_PSK:
2823 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2824 p.auth_mode |= WPA_PSK_AUTH;
2825 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2826 p.auth_mode |= WPA2_PSK_AUTH;
2830 if (p.auth_mode == 0)
2831 p.auth_mode = NONE_AUTH;
2832 vif->auth_mode = p.auth_mode;
2834 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2835 switch (info->crypto.ciphers_pairwise[i]) {
2836 case WLAN_CIPHER_SUITE_WEP40:
2837 case WLAN_CIPHER_SUITE_WEP104:
2838 p.prwise_crypto_type |= WEP_CRYPT;
2840 case WLAN_CIPHER_SUITE_TKIP:
2841 p.prwise_crypto_type |= TKIP_CRYPT;
2843 case WLAN_CIPHER_SUITE_CCMP:
2844 p.prwise_crypto_type |= AES_CRYPT;
2846 case WLAN_CIPHER_SUITE_SMS4:
2847 p.prwise_crypto_type |= WAPI_CRYPT;
2851 if (p.prwise_crypto_type == 0) {
2852 p.prwise_crypto_type = NONE_CRYPT;
2853 ath6kl_set_cipher(vif, 0, true);
2854 } else if (info->crypto.n_ciphers_pairwise == 1) {
2855 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
2858 switch (info->crypto.cipher_group) {
2859 case WLAN_CIPHER_SUITE_WEP40:
2860 case WLAN_CIPHER_SUITE_WEP104:
2861 p.grp_crypto_type = WEP_CRYPT;
2863 case WLAN_CIPHER_SUITE_TKIP:
2864 p.grp_crypto_type = TKIP_CRYPT;
2866 case WLAN_CIPHER_SUITE_CCMP:
2867 p.grp_crypto_type = AES_CRYPT;
2869 case WLAN_CIPHER_SUITE_SMS4:
2870 p.grp_crypto_type = WAPI_CRYPT;
2873 p.grp_crypto_type = NONE_CRYPT;
2876 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
2878 p.nw_type = AP_NETWORK;
2879 vif->nw_type = vif->next_mode;
2881 p.ssid_len = vif->ssid_len;
2882 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2883 p.dot11_auth_mode = vif->dot11_auth_mode;
2884 p.ch = cpu_to_le16(info->chandef.chan->center_freq);
2886 /* Enable uAPSD support by default */
2887 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2891 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2892 p.nw_subtype = SUBTYPE_P2PGO;
2895 * Due to firmware limitation, it is not possible to
2896 * do P2P mgmt operations in AP mode
2898 p.nw_subtype = SUBTYPE_NONE;
2901 if (info->inactivity_timeout) {
2902 inactivity_timeout = info->inactivity_timeout;
2904 if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
2905 ar->fw_capabilities))
2906 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2909 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
2910 inactivity_timeout);
2915 if (ath6kl_set_htcap(vif, info->chandef.chan->band,
2916 cfg80211_get_chandef_type(&info->chandef)
2917 != NL80211_CHAN_NO_HT))
2921 * Get the PTKSA replay counter in the RSN IE. Supplicant
2922 * will use the RSN IE in M3 message and firmware has to
2923 * advertise the same in beacon/probe response. Send
2924 * the complete RSN IE capability field to firmware
2926 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2927 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2928 ar->fw_capabilities)) {
2929 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2930 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2931 (const u8 *) &rsn_capab,
2933 vif->rsn_capab = rsn_capab;
2938 memcpy(&vif->profile, &p, sizeof(p));
2939 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
2946 static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2947 struct cfg80211_beacon_data *beacon)
2949 struct ath6kl_vif *vif = netdev_priv(dev);
2951 if (!ath6kl_cfg80211_ready(vif))
2954 if (vif->next_mode != AP_NETWORK)
2957 return ath6kl_set_ies(vif, beacon);
2960 static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
2962 struct ath6kl *ar = ath6kl_priv(dev);
2963 struct ath6kl_vif *vif = netdev_priv(dev);
2965 if (vif->nw_type != AP_NETWORK)
2967 if (!test_bit(CONNECTED, &vif->flags))
2970 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
2971 clear_bit(CONNECTED, &vif->flags);
2973 /* Restore ht setting in firmware */
2974 return ath6kl_restore_htcap(vif);
2977 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2979 static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2980 struct station_del_parameters *params)
2982 struct ath6kl *ar = ath6kl_priv(dev);
2983 struct ath6kl_vif *vif = netdev_priv(dev);
2984 const u8 *addr = params->mac ? params->mac : bcast_addr;
2986 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2987 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2990 static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
2992 struct station_parameters *params)
2994 struct ath6kl *ar = ath6kl_priv(dev);
2995 struct ath6kl_vif *vif = netdev_priv(dev);
2998 if (vif->nw_type != AP_NETWORK)
3001 err = cfg80211_check_station_change(wiphy, params,
3002 CFG80211_STA_AP_MLME_CLIENT);
3006 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
3007 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3008 WMI_AP_MLME_AUTHORIZE, mac, 0);
3009 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3010 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
3013 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
3014 struct wireless_dev *wdev,
3015 struct ieee80211_channel *chan,
3016 unsigned int duration,
3019 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3020 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3023 /* TODO: if already pending or ongoing remain-on-channel,
3025 id = ++vif->last_roc_id;
3027 /* Do not use 0 as the cookie value */
3028 id = ++vif->last_roc_id;
3032 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3033 chan->center_freq, duration);
3036 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
3037 struct wireless_dev *wdev,
3040 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3041 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3043 if (cookie != vif->last_roc_id)
3045 vif->last_cancel_roc_id = cookie;
3047 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
3050 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3051 const u8 *buf, size_t len,
3054 struct ath6kl *ar = vif->ar;
3059 const struct ieee80211_mgmt *mgmt;
3061 mgmt = (const struct ieee80211_mgmt *) buf;
3063 /* Include P2P IE(s) from the frame generated in user space. */
3065 p2p = kmalloc(len, GFP_KERNEL);
3070 pos = mgmt->u.probe_resp.variable;
3071 while (pos + 1 < buf + len) {
3072 if (pos + 2 + pos[1] > buf + len)
3074 if (ath6kl_is_p2p_ie(pos)) {
3075 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3076 p2p_len += 2 + pos[1];
3081 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3082 mgmt->da, p2p, p2p_len);
3087 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3096 struct ieee80211_mgmt *mgmt;
3097 struct ath6kl_sta *conn;
3098 bool is_psq_empty = false;
3099 struct ath6kl_mgmt_buff *mgmt_buf;
3100 size_t mgmt_buf_size;
3101 struct ath6kl *ar = vif->ar;
3103 mgmt = (struct ieee80211_mgmt *) buf;
3104 if (is_multicast_ether_addr(mgmt->da))
3107 conn = ath6kl_find_sta(vif, mgmt->da);
3111 if (conn->sta_flags & STA_PS_SLEEP) {
3112 if (!(conn->sta_flags & STA_PS_POLLED)) {
3113 /* Queue the frames if the STA is sleeping */
3114 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3115 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3119 INIT_LIST_HEAD(&mgmt_buf->list);
3121 mgmt_buf->freq = freq;
3122 mgmt_buf->wait = wait;
3123 mgmt_buf->len = len;
3124 mgmt_buf->no_cck = no_cck;
3125 memcpy(mgmt_buf->buf, buf, len);
3126 spin_lock_bh(&conn->psq_lock);
3127 is_psq_empty = skb_queue_empty(&conn->psq) &&
3128 (conn->mgmt_psq_len == 0);
3129 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3130 conn->mgmt_psq_len++;
3131 spin_unlock_bh(&conn->psq_lock);
3134 * If this is the first pkt getting queued
3135 * for this STA, update the PVB for this
3139 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3145 * This tx is because of a PsPoll.
3146 * Determine if MoreData bit has to be set.
3148 spin_lock_bh(&conn->psq_lock);
3149 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3151 spin_unlock_bh(&conn->psq_lock);
3157 /* Check if SSID length is greater than DIRECT- */
3158 static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3160 const struct ieee80211_mgmt *mgmt;
3161 mgmt = (const struct ieee80211_mgmt *) buf;
3163 /* variable[1] contains the SSID tag length */
3164 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3165 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3172 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3173 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
3175 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3176 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3177 struct ieee80211_channel *chan = params->chan;
3178 const u8 *buf = params->buf;
3179 size_t len = params->len;
3180 unsigned int wait = params->wait;
3181 bool no_cck = params->no_cck;
3183 const struct ieee80211_mgmt *mgmt;
3184 bool more_data, queued;
3186 /* default to the current channel, but use the one specified as argument
3189 freq = vif->ch_hint;
3191 freq = chan->center_freq;
3193 /* never send freq zero to the firmware */
3194 if (WARN_ON(freq == 0))
3197 mgmt = (const struct ieee80211_mgmt *) buf;
3198 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3199 ieee80211_is_probe_resp(mgmt->frame_control) &&
3200 ath6kl_is_p2p_go_ssid(buf, len)) {
3202 * Send Probe Response frame in GO mode using a separate WMI
3203 * command to allow the target to fill in the generic IEs.
3205 *cookie = 0; /* TX status not supported */
3206 return ath6kl_send_go_probe_resp(vif, buf, len, freq);
3209 id = vif->send_action_id++;
3212 * 0 is a reserved value in the WMI command and shall not be
3213 * used for the command.
3215 id = vif->send_action_id++;
3220 /* AP mode Power saving processing */
3221 if (vif->nw_type == AP_NETWORK) {
3222 queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,
3223 &more_data, no_cck);
3228 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,
3229 wait, buf, len, no_cck);
3232 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3233 struct wireless_dev *wdev,
3234 u16 frame_type, bool reg)
3236 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3238 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3239 __func__, frame_type, reg);
3240 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3242 * Note: This notification callback is not allowed to sleep, so
3243 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3244 * hardcode target to report Probe Request frames all the time.
3246 vif->probe_req_report = reg;
3250 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3251 struct net_device *dev,
3252 struct cfg80211_sched_scan_request *request)
3254 struct ath6kl *ar = ath6kl_priv(dev);
3255 struct ath6kl_vif *vif = netdev_priv(dev);
3257 int ret, rssi_thold;
3258 int n_match_sets = request->n_match_sets;
3261 * If there's a matchset w/o an SSID, then assume it's just for
3262 * the RSSI (nothing else is currently supported) and ignore it.
3263 * The device only supports a global RSSI filter that we set below.
3265 if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len)
3268 if (ar->state != ATH6KL_STATE_ON)
3271 if (vif->sme_state != SME_DISCONNECTED)
3274 ath6kl_cfg80211_scan_complete_event(vif, true);
3276 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3278 request->match_sets,
3283 if (!n_match_sets) {
3284 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3289 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3290 MATCHED_SSID_FILTER, 0);
3295 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3296 ar->fw_capabilities)) {
3297 if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
3299 else if (request->min_rssi_thold < -127)
3302 rssi_thold = request->min_rssi_thold;
3304 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3307 ath6kl_err("failed to set RSSI threshold for scan\n");
3312 /* fw uses seconds, also make sure that it's >0 */
3313 interval = max_t(u16, 1, request->interval / 1000);
3315 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3317 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3319 /* this also clears IE in fw if it's not set */
3320 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3321 WMI_FRAME_PROBE_REQ,
3322 request->ie, request->ie_len);
3324 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3329 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3333 set_bit(SCHED_SCANNING, &vif->flags);
3338 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3339 struct net_device *dev)
3341 struct ath6kl_vif *vif = netdev_priv(dev);
3344 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3352 static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3353 struct net_device *dev,
3355 const struct cfg80211_bitrate_mask *mask)
3357 struct ath6kl *ar = ath6kl_priv(dev);
3358 struct ath6kl_vif *vif = netdev_priv(dev);
3360 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3364 static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3365 struct net_device *dev,
3366 u32 rate, u32 pkts, u32 intvl)
3368 struct ath6kl *ar = ath6kl_priv(dev);
3369 struct ath6kl_vif *vif = netdev_priv(dev);
3371 if (vif->nw_type != INFRA_NETWORK ||
3372 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3375 if (vif->sme_state != SME_CONNECTED)
3378 /* save this since the firmware won't report the interval */
3379 vif->txe_intvl = intvl;
3381 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3385 static const struct ieee80211_txrx_stypes
3386 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3387 [NL80211_IFTYPE_STATION] = {
3388 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3389 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3390 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3391 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3393 [NL80211_IFTYPE_AP] = {
3394 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3395 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3396 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3397 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3399 [NL80211_IFTYPE_P2P_CLIENT] = {
3400 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3401 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3402 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3403 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3405 [NL80211_IFTYPE_P2P_GO] = {
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)
3413 static struct cfg80211_ops ath6kl_cfg80211_ops = {
3414 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3415 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3416 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3417 .scan = ath6kl_cfg80211_scan,
3418 .connect = ath6kl_cfg80211_connect,
3419 .disconnect = ath6kl_cfg80211_disconnect,
3420 .add_key = ath6kl_cfg80211_add_key,
3421 .get_key = ath6kl_cfg80211_get_key,
3422 .del_key = ath6kl_cfg80211_del_key,
3423 .set_default_key = ath6kl_cfg80211_set_default_key,
3424 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3425 .set_tx_power = ath6kl_cfg80211_set_txpower,
3426 .get_tx_power = ath6kl_cfg80211_get_txpower,
3427 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3428 .join_ibss = ath6kl_cfg80211_join_ibss,
3429 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3430 .get_station = ath6kl_get_station,
3431 .set_pmksa = ath6kl_set_pmksa,
3432 .del_pmksa = ath6kl_del_pmksa,
3433 .flush_pmksa = ath6kl_flush_pmksa,
3434 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3436 .suspend = __ath6kl_cfg80211_suspend,
3437 .resume = __ath6kl_cfg80211_resume,
3439 .start_ap = ath6kl_start_ap,
3440 .change_beacon = ath6kl_change_beacon,
3441 .stop_ap = ath6kl_stop_ap,
3442 .del_station = ath6kl_del_station,
3443 .change_station = ath6kl_change_station,
3444 .remain_on_channel = ath6kl_remain_on_channel,
3445 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3446 .mgmt_tx = ath6kl_mgmt_tx,
3447 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3448 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3449 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3450 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
3451 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
3454 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3456 ath6kl_cfg80211_sscan_disable(vif);
3458 switch (vif->sme_state) {
3459 case SME_DISCONNECTED:
3461 case SME_CONNECTING:
3462 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3464 WLAN_STATUS_UNSPECIFIED_FAILURE,
3468 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3472 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3473 (test_bit(CONNECTED, &vif->flags) ||
3474 test_bit(CONNECT_PEND, &vif->flags)))
3475 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3477 vif->sme_state = SME_DISCONNECTED;
3478 clear_bit(CONNECTED, &vif->flags);
3479 clear_bit(CONNECT_PEND, &vif->flags);
3481 /* Stop netdev queues, needed during recovery */
3482 netif_stop_queue(vif->ndev);
3483 netif_carrier_off(vif->ndev);
3485 /* disable scanning */
3486 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3487 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3488 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3489 ath6kl_warn("failed to disable scan during stop\n");
3491 ath6kl_cfg80211_scan_complete_event(vif, true);
3494 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3496 struct ath6kl_vif *vif;
3498 vif = ath6kl_vif_first(ar);
3499 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
3500 /* save the current power mode before enabling power save */
3501 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3503 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3504 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3509 * FIXME: we should take ar->list_lock to protect changes in the
3510 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3513 list_for_each_entry(vif, &ar->vif_list, list)
3514 ath6kl_cfg80211_stop(vif);
3517 static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3518 struct regulatory_request *request)
3520 struct ath6kl *ar = wiphy_priv(wiphy);
3521 u32 rates[IEEE80211_NUM_BANDS];
3524 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
3525 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
3526 request->alpha2[0], request->alpha2[1],
3527 request->intersect ? " intersect" : "",
3528 request->processed ? " processed" : "",
3529 request->initiator, request->user_reg_hint_type);
3531 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
3534 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3536 ath6kl_err("failed to set regdomain: %d\n", ret);
3541 * Firmware will apply the regdomain change only after a scan is
3542 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3546 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3547 if (wiphy->bands[i])
3548 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3551 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3552 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3553 0, NULL, false, rates);
3555 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3561 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3563 vif->aggr_cntxt = aggr_init(vif);
3564 if (!vif->aggr_cntxt) {
3565 ath6kl_err("failed to initialize aggr\n");
3569 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3570 (unsigned long) vif->ndev);
3571 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3572 (unsigned long) vif);
3574 set_bit(WMM_ENABLED, &vif->flags);
3575 spin_lock_init(&vif->if_lock);
3577 INIT_LIST_HEAD(&vif->mc_filter);
3582 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3584 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3587 netif_stop_queue(vif->ndev);
3589 clear_bit(WLAN_ENABLED, &vif->flags);
3592 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3593 test_bit(CONNECT_PEND, &vif->flags);
3594 ath6kl_disconnect(vif);
3595 del_timer(&vif->disconnect_timer);
3598 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3599 (vif->nw_type & AP_NETWORK) ?
3600 bcast_mac : vif->bssid,
3604 if (vif->scan_req) {
3605 cfg80211_scan_done(vif->scan_req, true);
3606 vif->scan_req = NULL;
3609 /* need to clean up enhanced bmiss detection fw state */
3610 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3613 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3615 struct ath6kl *ar = vif->ar;
3616 struct ath6kl_mc_filter *mc_filter, *tmp;
3618 aggr_module_destroy(vif->aggr_cntxt);
3620 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3622 if (vif->nw_type == ADHOC_NETWORK)
3623 ar->ibss_if_active = false;
3625 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3626 list_del(&mc_filter->list);
3630 unregister_netdevice(vif->ndev);
3635 struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
3636 enum nl80211_iftype type,
3637 u8 fw_vif_idx, u8 nw_type)
3639 struct net_device *ndev;
3640 struct ath6kl_vif *vif;
3642 ndev = alloc_netdev(sizeof(*vif), name, NET_NAME_UNKNOWN, ether_setup);
3646 vif = netdev_priv(ndev);
3647 ndev->ieee80211_ptr = &vif->wdev;
3648 vif->wdev.wiphy = ar->wiphy;
3651 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3652 vif->wdev.netdev = ndev;
3653 vif->wdev.iftype = type;
3654 vif->fw_vif_idx = fw_vif_idx;
3655 vif->nw_type = nw_type;
3656 vif->next_mode = nw_type;
3657 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3658 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3659 vif->bg_scan_period = 0;
3660 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3661 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
3663 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3664 if (fw_vif_idx != 0) {
3665 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3667 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3668 ar->fw_capabilities))
3669 ndev->dev_addr[4] ^= 0x80;
3674 ath6kl_init_control_info(vif);
3676 if (ath6kl_cfg80211_vif_init(vif))
3679 if (register_netdevice(ndev))
3682 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3683 vif->sme_state = SME_DISCONNECTED;
3684 set_bit(WLAN_ENABLED, &vif->flags);
3685 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3687 if (type == NL80211_IFTYPE_ADHOC)
3688 ar->ibss_if_active = true;
3690 spin_lock_bh(&ar->list_lock);
3691 list_add_tail(&vif->list, &ar->vif_list);
3692 spin_unlock_bh(&ar->list_lock);
3697 aggr_module_destroy(vif->aggr_cntxt);
3703 static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
3704 .flags = WIPHY_WOWLAN_MAGIC_PKT |
3705 WIPHY_WOWLAN_DISCONNECT |
3706 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3707 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3708 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3709 WIPHY_WOWLAN_4WAY_HANDSHAKE,
3710 .n_patterns = WOW_MAX_FILTERS_PER_LIST,
3711 .pattern_min_len = 1,
3712 .pattern_max_len = WOW_PATTERN_SIZE,
3716 int ath6kl_cfg80211_init(struct ath6kl *ar)
3718 struct wiphy *wiphy = ar->wiphy;
3719 bool band_2gig = false, band_5gig = false, ht = false;
3722 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3724 wiphy->max_remain_on_channel_duration = 5000;
3726 /* set device pointer for wiphy */
3727 set_wiphy_dev(wiphy, ar->dev);
3729 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3730 BIT(NL80211_IFTYPE_ADHOC) |
3731 BIT(NL80211_IFTYPE_AP);
3733 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3734 BIT(NL80211_IFTYPE_P2P_CLIENT);
3737 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
3738 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
3739 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
3740 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3743 /* max num of ssids that can be probed during scanning */
3744 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
3746 /* max num of ssids that can be matched after scan */
3747 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3748 ar->fw_capabilities))
3749 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3751 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3752 switch (ar->hw.cap) {
3770 ath6kl_err("invalid phy capability!\n");
3775 * Even if the fw has HT support, advertise HT cap only when
3776 * the firmware has support to override RSN capability, otherwise
3777 * 4-way handshake would fail.
3780 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3781 ar->fw_capabilities))) {
3782 ath6kl_band_2ghz.ht_cap.cap = 0;
3783 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3784 ath6kl_band_5ghz.ht_cap.cap = 0;
3785 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3788 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
3789 ar->fw_capabilities)) {
3790 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3791 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3792 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3793 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3795 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3796 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3800 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3802 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3804 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3806 wiphy->cipher_suites = cipher_suites;
3807 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3810 wiphy->wowlan = &ath6kl_wowlan_support;
3813 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
3815 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3816 WIPHY_FLAG_HAVE_AP_SME |
3817 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3818 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3820 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
3821 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3823 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3824 ar->fw_capabilities))
3825 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
3827 ar->wiphy->probe_resp_offload =
3828 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3829 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3830 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3832 ret = wiphy_register(wiphy);
3834 ath6kl_err("couldn't register wiphy device\n");
3838 ar->wiphy_registered = true;
3843 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
3845 wiphy_unregister(ar->wiphy);
3847 ar->wiphy_registered = false;
3850 struct ath6kl *ath6kl_cfg80211_create(void)
3853 struct wiphy *wiphy;
3855 /* create a new wiphy for use with cfg80211 */
3856 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3859 ath6kl_err("couldn't allocate wiphy device\n");
3863 ar = wiphy_priv(wiphy);
3869 /* Note: ar variable must not be accessed after calling this! */
3870 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3874 for (i = 0; i < AP_MAX_NUM_STA; i++)
3875 kfree(ar->sta_list[i].aggr_conn);
3877 wiphy_free(ar->wiphy);