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 bssid, 0, cap_val, 100,
721 ie, 2 + vif->ssid_len + beacon_ie_len,
724 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
725 "added bss %pM to cfg80211\n", bssid);
728 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
734 void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
735 u8 *bssid, u16 listen_intvl,
737 enum network_type nw_type,
738 u8 beacon_ie_len, u8 assoc_req_len,
739 u8 assoc_resp_len, u8 *assoc_info)
741 struct ieee80211_channel *chan;
742 struct ath6kl *ar = vif->ar;
743 struct cfg80211_bss *bss;
745 /* capinfo + listen interval */
746 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
748 /* capinfo + status code + associd */
749 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
751 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
752 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
753 assoc_resp_ie_offset;
755 assoc_req_len -= assoc_req_ie_offset;
756 assoc_resp_len -= assoc_resp_ie_offset;
759 * Store Beacon interval here; DTIM period will be available only once
760 * a Beacon frame from the AP is seen.
762 vif->assoc_bss_beacon_int = beacon_intvl;
763 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
765 if (nw_type & ADHOC_NETWORK) {
766 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
767 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
768 "%s: ath6k not in ibss mode\n", __func__);
773 if (nw_type & INFRA_NETWORK) {
774 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
775 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
776 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
777 "%s: ath6k not in station mode\n", __func__);
782 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
784 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
785 assoc_info, beacon_ie_len);
787 ath6kl_err("could not add cfg80211 bss entry\n");
791 if (nw_type & ADHOC_NETWORK) {
792 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
793 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
794 cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL);
795 cfg80211_put_bss(ar->wiphy, bss);
799 if (vif->sme_state == SME_CONNECTING) {
800 /* inform connect result to cfg80211 */
801 vif->sme_state = SME_CONNECTED;
802 cfg80211_connect_result(vif->ndev, bssid,
803 assoc_req_ie, assoc_req_len,
804 assoc_resp_ie, assoc_resp_len,
805 WLAN_STATUS_SUCCESS, GFP_KERNEL);
806 cfg80211_put_bss(ar->wiphy, bss);
807 } else if (vif->sme_state == SME_CONNECTED) {
808 /* inform roam event to cfg80211 */
809 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
810 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
814 static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
815 struct net_device *dev, u16 reason_code)
817 struct ath6kl *ar = ath6kl_priv(dev);
818 struct ath6kl_vif *vif = netdev_priv(dev);
820 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
823 ath6kl_cfg80211_sscan_disable(vif);
825 if (!ath6kl_cfg80211_ready(vif))
828 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
829 ath6kl_err("busy, destroy in progress\n");
833 if (down_interruptible(&ar->sem)) {
834 ath6kl_err("busy, couldn't get access\n");
838 vif->reconnect_flag = 0;
839 ath6kl_disconnect(vif);
840 memset(vif->ssid, 0, sizeof(vif->ssid));
843 if (!test_bit(SKIP_SCAN, &ar->flag))
844 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
848 vif->sme_state = SME_DISCONNECTED;
853 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
854 u8 *bssid, u8 assoc_resp_len,
855 u8 *assoc_info, u16 proto_reason)
857 struct ath6kl *ar = vif->ar;
860 cfg80211_scan_done(vif->scan_req, true);
861 vif->scan_req = NULL;
864 if (vif->nw_type & ADHOC_NETWORK) {
865 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC)
866 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
867 "%s: ath6k not in ibss mode\n", __func__);
871 if (vif->nw_type & INFRA_NETWORK) {
872 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
873 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
874 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
875 "%s: ath6k not in station mode\n", __func__);
880 clear_bit(CONNECT_PEND, &vif->flags);
882 if (vif->sme_state == SME_CONNECTING) {
883 cfg80211_connect_result(vif->ndev,
886 WLAN_STATUS_UNSPECIFIED_FAILURE,
888 } else if (vif->sme_state == SME_CONNECTED) {
889 cfg80211_disconnected(vif->ndev, proto_reason,
890 NULL, 0, GFP_KERNEL);
893 vif->sme_state = SME_DISCONNECTED;
896 * Send a disconnect command to target when a disconnect event is
897 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
898 * request from host) to make the firmware stop trying to connect even
899 * after giving disconnect event. There will be one more disconnect
900 * event for this disconnect command with reason code DISCONNECT_CMD
901 * which won't be notified to cfg80211.
903 if (reason != DISCONNECT_CMD)
904 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
907 static int ath6kl_set_probed_ssids(struct ath6kl *ar,
908 struct ath6kl_vif *vif,
909 struct cfg80211_ssid *ssids, int n_ssids,
910 struct cfg80211_match_set *match_set,
913 u8 i, j, index_to_add, ssid_found = false;
914 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
916 memset(ssid_list, 0, sizeof(ssid_list));
918 if (n_ssids > MAX_PROBED_SSIDS ||
919 n_match_ssid > MAX_PROBED_SSIDS)
922 for (i = 0; i < n_ssids; i++) {
923 memcpy(ssid_list[i].ssid.ssid,
926 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
928 if (ssids[i].ssid_len)
929 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
931 ssid_list[i].flag = ANY_SSID_FLAG;
933 if (n_match_ssid == 0)
934 ssid_list[i].flag |= MATCH_SSID_FLAG;
939 for (i = 0; i < n_match_ssid; i++) {
942 for (j = 0; j < n_ssids; j++) {
943 if ((match_set[i].ssid.ssid_len ==
944 ssid_list[j].ssid.ssid_len) &&
945 (!memcmp(ssid_list[j].ssid.ssid,
946 match_set[i].ssid.ssid,
947 match_set[i].ssid.ssid_len))) {
948 ssid_list[j].flag |= MATCH_SSID_FLAG;
957 if (index_to_add >= MAX_PROBED_SSIDS)
960 ssid_list[index_to_add].ssid.ssid_len =
961 match_set[i].ssid.ssid_len;
962 memcpy(ssid_list[index_to_add].ssid.ssid,
963 match_set[i].ssid.ssid,
964 match_set[i].ssid.ssid_len);
965 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
969 for (i = 0; i < index_to_add; i++) {
970 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
972 ssid_list[i].ssid.ssid_len,
973 ssid_list[i].ssid.ssid);
976 /* Make sure no old entries are left behind */
977 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
978 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
979 DISABLE_SSID_FLAG, 0, NULL);
985 static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
986 struct cfg80211_scan_request *request)
988 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
989 struct ath6kl *ar = ath6kl_priv(vif->ndev);
991 u16 *channels = NULL;
993 u32 force_fg_scan = 0;
995 if (!ath6kl_cfg80211_ready(vif))
998 ath6kl_cfg80211_sscan_disable(vif);
1000 if (!ar->usr_bss_filter) {
1001 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1002 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1005 ath6kl_err("couldn't set bss filtering\n");
1010 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
1011 request->n_ssids, NULL, 0);
1015 /* this also clears IE in fw if it's not set */
1016 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1017 WMI_FRAME_PROBE_REQ,
1018 request->ie, request->ie_len);
1020 ath6kl_err("failed to set Probe Request appie for scan\n");
1025 * Scan only the requested channels if the request specifies a set of
1026 * channels. If the list is longer than the target supports, do not
1027 * configure the list and instead, scan all available channels.
1029 if (request->n_channels > 0 &&
1030 request->n_channels <= WMI_MAX_CHANNELS) {
1033 n_channels = request->n_channels;
1035 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1036 if (channels == NULL) {
1037 ath6kl_warn("failed to set scan channels, scan all channels");
1041 for (i = 0; i < n_channels; i++)
1042 channels[i] = request->channels[i]->center_freq;
1045 if (test_bit(CONNECTED, &vif->flags))
1048 vif->scan_req = request;
1050 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1051 WMI_LONG_SCAN, force_fg_scan,
1053 ATH6KL_FG_SCAN_INTERVAL,
1054 n_channels, channels,
1058 ath6kl_err("failed to start scan: %d\n", ret);
1059 vif->scan_req = NULL;
1067 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1069 struct ath6kl *ar = vif->ar;
1072 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1073 aborted ? " aborted" : "");
1081 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1082 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1083 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1084 i + 1, DISABLE_SSID_FLAG,
1090 cfg80211_scan_done(vif->scan_req, aborted);
1091 vif->scan_req = NULL;
1094 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1095 enum wmi_phy_mode mode)
1097 struct cfg80211_chan_def chandef;
1099 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1100 "channel switch notify nw_type %d freq %d mode %d\n",
1101 vif->nw_type, freq, mode);
1103 cfg80211_chandef_create(&chandef,
1104 ieee80211_get_channel(vif->ar->wiphy, freq),
1105 (mode == WMI_11G_HT20) ?
1106 NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT);
1108 mutex_lock(&vif->wdev.mtx);
1109 cfg80211_ch_switch_notify(vif->ndev, &chandef);
1110 mutex_unlock(&vif->wdev.mtx);
1113 static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1114 u8 key_index, bool pairwise,
1116 struct key_params *params)
1118 struct ath6kl *ar = ath6kl_priv(ndev);
1119 struct ath6kl_vif *vif = netdev_priv(ndev);
1120 struct ath6kl_key *key = NULL;
1125 if (!ath6kl_cfg80211_ready(vif))
1128 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1129 if (params->key_len != WMI_KRK_LEN)
1131 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1135 if (key_index > WMI_MAX_KEY_INDEX) {
1136 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1137 "%s: key index %d out of bounds\n", __func__,
1142 key = &vif->keys[key_index];
1143 memset(key, 0, sizeof(struct ath6kl_key));
1146 key_usage = PAIRWISE_USAGE;
1148 key_usage = GROUP_USAGE;
1150 seq_len = params->seq_len;
1151 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1152 seq_len > ATH6KL_KEY_SEQ_LEN) {
1153 /* Only first half of the WPI PN is configured */
1154 seq_len = ATH6KL_KEY_SEQ_LEN;
1156 if (params->key_len > WLAN_MAX_KEY_LEN ||
1157 seq_len > sizeof(key->seq))
1160 key->key_len = params->key_len;
1161 memcpy(key->key, params->key, key->key_len);
1162 key->seq_len = seq_len;
1163 memcpy(key->seq, params->seq, key->seq_len);
1164 key->cipher = params->cipher;
1166 switch (key->cipher) {
1167 case WLAN_CIPHER_SUITE_WEP40:
1168 case WLAN_CIPHER_SUITE_WEP104:
1169 key_type = WEP_CRYPT;
1172 case WLAN_CIPHER_SUITE_TKIP:
1173 key_type = TKIP_CRYPT;
1176 case WLAN_CIPHER_SUITE_CCMP:
1177 key_type = AES_CRYPT;
1179 case WLAN_CIPHER_SUITE_SMS4:
1180 key_type = WAPI_CRYPT;
1187 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1188 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1189 (key_usage & GROUP_USAGE))
1190 del_timer(&vif->disconnect_timer);
1192 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1193 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1194 __func__, key_index, key->key_len, key_type,
1195 key_usage, key->seq_len);
1197 if (vif->nw_type == AP_NETWORK && !pairwise &&
1198 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1199 key_type == WAPI_CRYPT)) {
1200 ar->ap_mode_bkey.valid = true;
1201 ar->ap_mode_bkey.key_index = key_index;
1202 ar->ap_mode_bkey.key_type = key_type;
1203 ar->ap_mode_bkey.key_len = key->key_len;
1204 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1205 if (!test_bit(CONNECTED, &vif->flags)) {
1206 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1207 "Delay initial group key configuration until AP mode has been started\n");
1209 * The key will be set in ath6kl_connect_ap_mode() once
1210 * the connected event is received from the target.
1216 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1217 !test_bit(CONNECTED, &vif->flags)) {
1219 * Store the key locally so that it can be re-configured after
1220 * the AP mode has properly started
1221 * (ath6kl_install_statioc_wep_keys).
1223 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1224 "Delay WEP key configuration until AP mode has been started\n");
1225 vif->wep_key_list[key_index].key_len = key->key_len;
1226 memcpy(vif->wep_key_list[key_index].key, key->key,
1231 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1232 key_type, key_usage, key->key_len,
1233 key->seq, key->seq_len, key->key,
1235 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1238 static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1239 u8 key_index, bool pairwise,
1242 struct ath6kl *ar = ath6kl_priv(ndev);
1243 struct ath6kl_vif *vif = netdev_priv(ndev);
1245 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1247 if (!ath6kl_cfg80211_ready(vif))
1250 if (key_index > WMI_MAX_KEY_INDEX) {
1251 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1252 "%s: key index %d out of bounds\n", __func__,
1257 if (!vif->keys[key_index].key_len) {
1258 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1259 "%s: index %d is empty\n", __func__, key_index);
1263 vif->keys[key_index].key_len = 0;
1265 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1268 static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1269 u8 key_index, bool pairwise,
1270 const u8 *mac_addr, void *cookie,
1271 void (*callback) (void *cookie,
1272 struct key_params *))
1274 struct ath6kl_vif *vif = netdev_priv(ndev);
1275 struct ath6kl_key *key = NULL;
1276 struct key_params params;
1278 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1280 if (!ath6kl_cfg80211_ready(vif))
1283 if (key_index > WMI_MAX_KEY_INDEX) {
1284 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1285 "%s: key index %d out of bounds\n", __func__,
1290 key = &vif->keys[key_index];
1291 memset(¶ms, 0, sizeof(params));
1292 params.cipher = key->cipher;
1293 params.key_len = key->key_len;
1294 params.seq_len = key->seq_len;
1295 params.seq = key->seq;
1296 params.key = key->key;
1298 callback(cookie, ¶ms);
1300 return key->key_len ? 0 : -ENOENT;
1303 static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1304 struct net_device *ndev,
1305 u8 key_index, bool unicast,
1308 struct ath6kl *ar = ath6kl_priv(ndev);
1309 struct ath6kl_vif *vif = netdev_priv(ndev);
1310 struct ath6kl_key *key = NULL;
1312 enum crypto_type key_type = NONE_CRYPT;
1314 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1316 if (!ath6kl_cfg80211_ready(vif))
1319 if (key_index > WMI_MAX_KEY_INDEX) {
1320 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1321 "%s: key index %d out of bounds\n",
1322 __func__, key_index);
1326 if (!vif->keys[key_index].key_len) {
1327 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1328 __func__, key_index);
1332 vif->def_txkey_index = key_index;
1333 key = &vif->keys[vif->def_txkey_index];
1334 key_usage = GROUP_USAGE;
1335 if (vif->prwise_crypto == WEP_CRYPT)
1336 key_usage |= TX_USAGE;
1338 key_type = vif->prwise_crypto;
1340 key_type = vif->grp_crypto;
1342 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1343 return 0; /* Delay until AP mode has been started */
1345 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1346 vif->def_txkey_index,
1347 key_type, key_usage,
1348 key->key_len, key->seq, key->seq_len,
1350 KEY_OP_INIT_VAL, NULL,
1354 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1357 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1358 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1360 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1361 (ismcast ? NL80211_KEYTYPE_GROUP :
1362 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1366 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1368 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1369 struct ath6kl_vif *vif;
1372 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1375 vif = ath6kl_vif_first(ar);
1379 if (!ath6kl_cfg80211_ready(vif))
1382 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1383 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1385 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1393 static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1394 struct wireless_dev *wdev,
1395 enum nl80211_tx_power_setting type,
1398 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1399 struct ath6kl_vif *vif;
1400 int dbm = MBM_TO_DBM(mbm);
1402 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1405 vif = ath6kl_vif_first(ar);
1409 if (!ath6kl_cfg80211_ready(vif))
1413 case NL80211_TX_POWER_AUTOMATIC:
1415 case NL80211_TX_POWER_LIMITED:
1419 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1424 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
1429 static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy,
1430 struct wireless_dev *wdev,
1433 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1434 struct ath6kl_vif *vif;
1436 vif = ath6kl_vif_first(ar);
1440 if (!ath6kl_cfg80211_ready(vif))
1443 if (test_bit(CONNECTED, &vif->flags)) {
1446 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1447 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1451 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1454 if (signal_pending(current)) {
1455 ath6kl_err("target did not respond\n");
1464 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1465 struct net_device *dev,
1466 bool pmgmt, int timeout)
1468 struct ath6kl *ar = ath6kl_priv(dev);
1469 struct wmi_power_mode_cmd mode;
1470 struct ath6kl_vif *vif = netdev_priv(dev);
1472 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1473 __func__, pmgmt, timeout);
1475 if (!ath6kl_cfg80211_ready(vif))
1479 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1480 mode.pwr_mode = REC_POWER;
1482 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1483 mode.pwr_mode = MAX_PERF_POWER;
1486 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1487 mode.pwr_mode) != 0) {
1488 ath6kl_err("wmi_powermode_cmd failed\n");
1495 static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1497 enum nl80211_iftype type,
1499 struct vif_params *params)
1501 struct ath6kl *ar = wiphy_priv(wiphy);
1502 struct wireless_dev *wdev;
1505 if (ar->num_vif == ar->vif_max) {
1506 ath6kl_err("Reached maximum number of supported vif\n");
1507 return ERR_PTR(-EINVAL);
1510 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1511 ath6kl_err("Not a supported interface type\n");
1512 return ERR_PTR(-EINVAL);
1515 wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1517 return ERR_PTR(-ENOMEM);
1524 static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1525 struct wireless_dev *wdev)
1527 struct ath6kl *ar = wiphy_priv(wiphy);
1528 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
1530 spin_lock_bh(&ar->list_lock);
1531 list_del(&vif->list);
1532 spin_unlock_bh(&ar->list_lock);
1534 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
1537 ath6kl_cfg80211_vif_cleanup(vif);
1543 static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1544 struct net_device *ndev,
1545 enum nl80211_iftype type, u32 *flags,
1546 struct vif_params *params)
1548 struct ath6kl_vif *vif = netdev_priv(ndev);
1551 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1554 * Don't bring up p2p on an interface which is not initialized
1555 * for p2p operation where fw does not have capability to switch
1556 * dynamically between non-p2p and p2p type interface.
1558 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1559 vif->ar->fw_capabilities) &&
1560 (type == NL80211_IFTYPE_P2P_CLIENT ||
1561 type == NL80211_IFTYPE_P2P_GO)) {
1562 if (vif->ar->vif_max == 1) {
1563 if (vif->fw_vif_idx != 0)
1566 goto set_iface_type;
1569 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1570 if (i == vif->fw_vif_idx)
1574 if (i == vif->ar->vif_max) {
1575 ath6kl_err("Invalid interface to bring up P2P\n");
1580 /* need to clean up enhanced bmiss detection fw state */
1581 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1585 case NL80211_IFTYPE_STATION:
1586 case NL80211_IFTYPE_P2P_CLIENT:
1587 vif->next_mode = INFRA_NETWORK;
1589 case NL80211_IFTYPE_ADHOC:
1590 vif->next_mode = ADHOC_NETWORK;
1592 case NL80211_IFTYPE_AP:
1593 case NL80211_IFTYPE_P2P_GO:
1594 vif->next_mode = AP_NETWORK;
1597 ath6kl_err("invalid interface type %u\n", type);
1601 vif->wdev.iftype = type;
1606 static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1607 struct net_device *dev,
1608 struct cfg80211_ibss_params *ibss_param)
1610 struct ath6kl *ar = ath6kl_priv(dev);
1611 struct ath6kl_vif *vif = netdev_priv(dev);
1614 if (!ath6kl_cfg80211_ready(vif))
1617 vif->ssid_len = ibss_param->ssid_len;
1618 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
1620 if (ibss_param->chandef.chan)
1621 vif->ch_hint = ibss_param->chandef.chan->center_freq;
1623 if (ibss_param->channel_fixed) {
1625 * TODO: channel_fixed: The channel should be fixed, do not
1626 * search for IBSSs to join on other channels. Target
1627 * firmware does not support this feature, needs to be
1633 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
1634 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
1635 memcpy(vif->req_bssid, ibss_param->bssid,
1636 sizeof(vif->req_bssid));
1638 ath6kl_set_wpa_version(vif, 0);
1640 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
1644 if (ibss_param->privacy) {
1645 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1646 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
1648 ath6kl_set_cipher(vif, 0, true);
1649 ath6kl_set_cipher(vif, 0, false);
1652 vif->nw_type = vif->next_mode;
1654 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1655 "%s: connect called with authmode %d dot11 auth %d"
1656 " PW crypto %d PW crypto len %d GRP crypto %d"
1657 " GRP crypto len %d channel hint %u\n",
1659 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1660 vif->prwise_crypto_len, vif->grp_crypto,
1661 vif->grp_crypto_len, vif->ch_hint);
1663 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
1664 vif->dot11_auth_mode, vif->auth_mode,
1666 vif->prwise_crypto_len,
1667 vif->grp_crypto, vif->grp_crypto_len,
1668 vif->ssid_len, vif->ssid,
1669 vif->req_bssid, vif->ch_hint,
1670 ar->connect_ctrl_flags, SUBTYPE_NONE);
1671 set_bit(CONNECT_PEND, &vif->flags);
1676 static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1677 struct net_device *dev)
1679 struct ath6kl_vif *vif = netdev_priv(dev);
1681 if (!ath6kl_cfg80211_ready(vif))
1684 ath6kl_disconnect(vif);
1685 memset(vif->ssid, 0, sizeof(vif->ssid));
1691 static const u32 cipher_suites[] = {
1692 WLAN_CIPHER_SUITE_WEP40,
1693 WLAN_CIPHER_SUITE_WEP104,
1694 WLAN_CIPHER_SUITE_TKIP,
1695 WLAN_CIPHER_SUITE_CCMP,
1696 CCKM_KRK_CIPHER_SUITE,
1697 WLAN_CIPHER_SUITE_SMS4,
1700 static bool is_rate_legacy(s32 rate)
1702 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1703 6000, 9000, 12000, 18000, 24000,
1708 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1709 if (rate == legacy[i])
1715 static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1717 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1718 52000, 58500, 65000, 72200
1722 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1723 if (rate == ht20[i]) {
1724 if (i == ARRAY_SIZE(ht20) - 1)
1725 /* last rate uses sgi */
1737 static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1739 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1740 81000, 108000, 121500, 135000,
1745 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1746 if (rate == ht40[i]) {
1747 if (i == ARRAY_SIZE(ht40) - 1)
1748 /* last rate uses sgi */
1761 static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1762 const u8 *mac, struct station_info *sinfo)
1764 struct ath6kl *ar = ath6kl_priv(dev);
1765 struct ath6kl_vif *vif = netdev_priv(dev);
1772 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
1775 if (down_interruptible(&ar->sem))
1778 set_bit(STATS_UPDATE_PEND, &vif->flags);
1780 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
1787 left = wait_event_interruptible_timeout(ar->event_wq,
1788 !test_bit(STATS_UPDATE_PEND,
1799 if (vif->target_stats.rx_byte) {
1800 sinfo->rx_bytes = vif->target_stats.rx_byte;
1801 sinfo->filled |= STATION_INFO_RX_BYTES64;
1802 sinfo->rx_packets = vif->target_stats.rx_pkt;
1803 sinfo->filled |= STATION_INFO_RX_PACKETS;
1806 if (vif->target_stats.tx_byte) {
1807 sinfo->tx_bytes = vif->target_stats.tx_byte;
1808 sinfo->filled |= STATION_INFO_TX_BYTES64;
1809 sinfo->tx_packets = vif->target_stats.tx_pkt;
1810 sinfo->filled |= STATION_INFO_TX_PACKETS;
1813 sinfo->signal = vif->target_stats.cs_rssi;
1814 sinfo->filled |= STATION_INFO_SIGNAL;
1816 rate = vif->target_stats.tx_ucast_rate;
1818 if (is_rate_legacy(rate)) {
1819 sinfo->txrate.legacy = rate / 100;
1820 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1822 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1823 sinfo->txrate.mcs = mcs - 1;
1825 sinfo->txrate.mcs = mcs;
1828 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1829 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1831 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1832 sinfo->txrate.mcs = mcs - 1;
1834 sinfo->txrate.mcs = mcs;
1837 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
1838 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1840 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1841 "invalid rate from stats: %d\n", rate);
1842 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
1846 sinfo->filled |= STATION_INFO_TX_BITRATE;
1848 if (test_bit(CONNECTED, &vif->flags) &&
1849 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
1850 vif->nw_type == INFRA_NETWORK) {
1851 sinfo->filled |= STATION_INFO_BSS_PARAM;
1852 sinfo->bss_param.flags = 0;
1853 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1854 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
1860 static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1861 struct cfg80211_pmksa *pmksa)
1863 struct ath6kl *ar = ath6kl_priv(netdev);
1864 struct ath6kl_vif *vif = netdev_priv(netdev);
1866 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1867 pmksa->pmkid, true);
1870 static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1871 struct cfg80211_pmksa *pmksa)
1873 struct ath6kl *ar = ath6kl_priv(netdev);
1874 struct ath6kl_vif *vif = netdev_priv(netdev);
1876 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1877 pmksa->pmkid, false);
1880 static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1882 struct ath6kl *ar = ath6kl_priv(netdev);
1883 struct ath6kl_vif *vif = netdev_priv(netdev);
1885 if (test_bit(CONNECTED, &vif->flags))
1886 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1887 vif->bssid, NULL, false);
1891 static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1892 struct cfg80211_wowlan *wow, u32 *filter)
1895 u8 mask[WOW_PATTERN_SIZE];
1898 /* Configure the patterns that we received from the user. */
1899 for (i = 0; i < wow->n_patterns; i++) {
1901 * Convert given nl80211 specific mask value to equivalent
1902 * driver specific mask value and send it to the chip along
1903 * with patterns. For example, If the mask value defined in
1904 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1905 * then equivalent driver specific mask value is
1906 * "0xFF 0x00 0xFF 0x00".
1908 memset(&mask, 0, sizeof(mask));
1909 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1910 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1914 * Note: Pattern's offset is not passed as part of wowlan
1915 * parameter from CFG layer. So it's always passed as ZERO
1916 * to the firmware. It means, given WOW patterns are always
1917 * matched from the first byte of received pkt in the firmware.
1919 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1920 vif->fw_vif_idx, WOW_LIST_ID,
1921 wow->patterns[i].pattern_len,
1922 0 /* pattern offset */,
1923 wow->patterns[i].pattern, mask);
1928 if (wow->disconnect)
1929 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1932 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1934 if (wow->gtk_rekey_failure)
1935 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1937 if (wow->eap_identity_req)
1938 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1940 if (wow->four_way_handshake)
1941 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1946 static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1948 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1949 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1950 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1952 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1953 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1954 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1956 u8 unicst_offset = 0;
1957 static const u8 arp_pattern[] = { 0x08, 0x06 };
1958 static const u8 arp_mask[] = { 0xff, 0xff };
1960 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1961 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1962 u8 discvr_offset = 38;
1963 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1964 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1965 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1966 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1967 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1968 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1969 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1970 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1971 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1972 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1973 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1974 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1978 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1979 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1980 vif->fw_vif_idx, WOW_LIST_ID,
1981 sizeof(unicst_pattern), unicst_offset,
1982 unicst_pattern, unicst_mask);
1984 ath6kl_err("failed to add WOW unicast IP pattern\n");
1988 /* Setup all ARP pkt pattern */
1989 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1990 vif->fw_vif_idx, WOW_LIST_ID,
1991 sizeof(arp_pattern), arp_offset,
1992 arp_pattern, arp_mask);
1994 ath6kl_err("failed to add WOW ARP pattern\n");
1999 * Setup multicast pattern for mDNS 224.0.0.251,
2000 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2002 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2003 vif->fw_vif_idx, WOW_LIST_ID,
2004 sizeof(discvr_pattern), discvr_offset,
2005 discvr_pattern, discvr_mask);
2007 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2011 /* Setup all DHCP broadcast pkt pattern */
2012 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2013 vif->fw_vif_idx, WOW_LIST_ID,
2014 sizeof(dhcp_pattern), dhcp_offset,
2015 dhcp_pattern, dhcp_mask);
2017 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2024 static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2026 struct net_device *ndev = vif->ndev;
2027 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2028 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2029 u8 discvr_offset = 38;
2030 u8 mac_mask[ETH_ALEN];
2033 /* Setup unicast pkt pattern */
2034 memset(mac_mask, 0xff, ETH_ALEN);
2035 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2036 vif->fw_vif_idx, WOW_LIST_ID,
2037 ETH_ALEN, 0, ndev->dev_addr,
2040 ath6kl_err("failed to add WOW unicast pattern\n");
2045 * Setup multicast pattern for mDNS 224.0.0.251,
2046 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2048 if ((ndev->flags & IFF_ALLMULTI) ||
2049 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2050 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2051 vif->fw_vif_idx, WOW_LIST_ID,
2052 sizeof(discvr_pattern), discvr_offset,
2053 discvr_pattern, discvr_mask);
2055 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2063 static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2065 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2068 static bool is_ctrl_ep_empty(struct ath6kl *ar)
2070 return !ar->tx_pending[ar->ctrl_ep];
2073 static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2077 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2079 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2080 ATH6KL_HOST_MODE_ASLEEP);
2084 left = wait_event_interruptible_timeout(ar->event_wq,
2085 is_hsleep_mode_procsed(vif),
2088 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2090 } else if (left < 0) {
2091 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2096 if (ar->tx_pending[ar->ctrl_ep]) {
2097 left = wait_event_interruptible_timeout(ar->event_wq,
2098 is_ctrl_ep_empty(ar),
2101 ath6kl_warn("clear wmi ctrl data timeout\n");
2103 } else if (left < 0) {
2104 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2112 static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2113 struct cfg80211_wowlan *wow, u32 *filter)
2115 struct ath6kl *ar = vif->ar;
2116 struct in_device *in_dev;
2117 struct in_ifaddr *ifa;
2120 __be32 ips[MAX_IP_ADDRS];
2123 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2124 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2125 ar->fw_capabilities)) {
2126 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2127 vif->fw_vif_idx, false);
2132 /* Clear existing WOW patterns */
2133 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2134 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2138 * Skip the default WOW pattern configuration
2139 * if the driver receives any WOW patterns from
2143 ret = ath6kl_wow_usr(ar, vif, wow, filter);
2144 else if (vif->nw_type == AP_NETWORK)
2145 ret = ath6kl_wow_ap(ar, vif);
2147 ret = ath6kl_wow_sta(ar, vif);
2152 netif_stop_queue(vif->ndev);
2154 if (vif->nw_type != AP_NETWORK) {
2155 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2156 ATH6KL_MAX_WOW_LISTEN_INTL,
2161 /* Set listen interval x 15 times as bmiss time */
2162 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2163 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2164 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2166 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2171 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2172 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2178 /* Setup own IP addr for ARP agent. */
2179 in_dev = __in_dev_get_rtnl(vif->ndev);
2183 ifa = in_dev->ifa_list;
2184 memset(&ips, 0, sizeof(ips));
2186 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2187 while (index < MAX_IP_ADDRS && ifa) {
2188 ips[index] = ifa->ifa_local;
2189 ifa = ifa->ifa_next;
2194 ath6kl_err("total IP addr count is exceeding fw limit\n");
2198 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2200 ath6kl_err("fail to setup ip for arp agent\n");
2207 static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2209 struct ath6kl_vif *first_vif, *vif;
2212 bool connected = false;
2214 /* enter / leave wow suspend on first vif always */
2215 first_vif = ath6kl_vif_first(ar);
2216 if (WARN_ON(unlikely(!first_vif)) ||
2217 !ath6kl_cfg80211_ready(first_vif))
2220 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2223 /* install filters for each connected vif */
2224 spin_lock_bh(&ar->list_lock);
2225 list_for_each_entry(vif, &ar->vif_list, list) {
2226 if (!test_bit(CONNECTED, &vif->flags) ||
2227 !ath6kl_cfg80211_ready(vif))
2231 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2235 spin_unlock_bh(&ar->list_lock);
2242 ar->state = ATH6KL_STATE_SUSPENDING;
2244 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
2245 ATH6KL_WOW_MODE_ENABLE,
2247 WOW_HOST_REQ_DELAY);
2251 return ath6kl_cfg80211_host_sleep(ar, first_vif);
2254 static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
2256 struct ath6kl *ar = vif->ar;
2259 if (vif->nw_type != AP_NETWORK) {
2260 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2261 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2265 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2266 vif->listen_intvl_t, 0);
2270 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2271 vif->bmiss_time_t, 0);
2276 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2277 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2278 ar->fw_capabilities)) {
2279 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2280 vif->fw_vif_idx, true);
2285 netif_wake_queue(vif->ndev);
2290 static int ath6kl_wow_resume(struct ath6kl *ar)
2292 struct ath6kl_vif *vif;
2295 vif = ath6kl_vif_first(ar);
2296 if (WARN_ON(unlikely(!vif)) ||
2297 !ath6kl_cfg80211_ready(vif))
2300 ar->state = ATH6KL_STATE_RESUMING;
2302 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2303 ATH6KL_HOST_MODE_AWAKE);
2305 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2310 spin_lock_bh(&ar->list_lock);
2311 list_for_each_entry(vif, &ar->vif_list, list) {
2312 if (!test_bit(CONNECTED, &vif->flags) ||
2313 !ath6kl_cfg80211_ready(vif))
2315 ret = ath6kl_wow_resume_vif(vif);
2319 spin_unlock_bh(&ar->list_lock);
2324 ar->state = ATH6KL_STATE_ON;
2328 ar->state = ATH6KL_STATE_WOW;
2332 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2334 struct ath6kl_vif *vif;
2337 vif = ath6kl_vif_first(ar);
2341 if (!test_bit(WMI_READY, &ar->flag)) {
2342 ath6kl_err("deepsleep failed as wmi is not ready\n");
2346 ath6kl_cfg80211_stop_all(ar);
2348 /* Save the current power mode before enabling power save */
2349 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2351 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2355 /* Disable WOW mode */
2356 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2357 ATH6KL_WOW_MODE_DISABLE,
2362 /* Flush all non control pkts in TX path */
2363 ath6kl_tx_data_cleanup(ar);
2365 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2372 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2374 struct ath6kl_vif *vif;
2377 vif = ath6kl_vif_first(ar);
2382 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2383 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2384 ar->wmi->saved_pwr_mode);
2389 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2390 ATH6KL_HOST_MODE_AWAKE);
2394 ar->state = ATH6KL_STATE_ON;
2396 /* Reset scan parameter to default values */
2397 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2398 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2405 int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2406 enum ath6kl_cfg_suspend_mode mode,
2407 struct cfg80211_wowlan *wow)
2409 struct ath6kl_vif *vif;
2410 enum ath6kl_state prev_state;
2414 case ATH6KL_CFG_SUSPEND_WOW:
2416 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2418 /* Flush all non control pkts in TX path */
2419 ath6kl_tx_data_cleanup(ar);
2421 prev_state = ar->state;
2423 ret = ath6kl_wow_suspend(ar, wow);
2425 ar->state = prev_state;
2429 ar->state = ATH6KL_STATE_WOW;
2432 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2434 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
2436 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
2438 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2442 ar->state = ATH6KL_STATE_DEEPSLEEP;
2446 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2448 ath6kl_cfg80211_stop_all(ar);
2450 if (ar->state == ATH6KL_STATE_OFF) {
2451 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2452 "suspend hw off, no action for cutpower\n");
2456 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2458 ret = ath6kl_init_hw_stop(ar);
2460 ath6kl_warn("failed to stop hw during suspend: %d\n",
2464 ar->state = ATH6KL_STATE_CUTPOWER;
2472 list_for_each_entry(vif, &ar->vif_list, list)
2473 ath6kl_cfg80211_scan_complete_event(vif, true);
2477 EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2479 int ath6kl_cfg80211_resume(struct ath6kl *ar)
2483 switch (ar->state) {
2484 case ATH6KL_STATE_WOW:
2485 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2487 ret = ath6kl_wow_resume(ar);
2489 ath6kl_warn("wow mode resume failed: %d\n", ret);
2495 case ATH6KL_STATE_DEEPSLEEP:
2496 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
2498 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2500 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2505 case ATH6KL_STATE_CUTPOWER:
2506 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2508 ret = ath6kl_init_hw_start(ar);
2510 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2521 EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2525 /* hif layer decides what suspend mode to use */
2526 static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2527 struct cfg80211_wowlan *wow)
2529 struct ath6kl *ar = wiphy_priv(wiphy);
2531 ath6kl_recovery_suspend(ar);
2533 return ath6kl_hif_suspend(ar, wow);
2536 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2538 struct ath6kl *ar = wiphy_priv(wiphy);
2541 err = ath6kl_hif_resume(ar);
2545 ath6kl_recovery_resume(ar);
2551 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2552 * both sdio irq wake up and keep power. The target pulls sdio data line to
2553 * wake up the host when WOW pattern matches. This causes sdio irq handler
2554 * is being called in the host side which internally hits ath6kl's RX path.
2556 * Since sdio interrupt is not disabled, RX path executes even before
2557 * the host executes the actual resume operation from PM module.
2559 * In the current scenario, WOW resume should happen before start processing
2560 * any data from the target. So It's required to perform WOW resume in RX path.
2561 * Ideally we should perform WOW resume only in the actual platform
2562 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2564 * ath6kl_check_wow_status() is called from ath6kl_rx().
2566 void ath6kl_check_wow_status(struct ath6kl *ar)
2568 if (ar->state == ATH6KL_STATE_SUSPENDING)
2571 if (ar->state == ATH6KL_STATE_WOW)
2572 ath6kl_cfg80211_resume(ar);
2577 void ath6kl_check_wow_status(struct ath6kl *ar)
2582 static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2585 struct ath6kl_htcap *htcap = &vif->htcap[band];
2587 if (htcap->ht_enable == ht_enable)
2591 /* Set default ht capabilities */
2592 htcap->ht_enable = true;
2593 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2594 ath6kl_g_htcap : ath6kl_a_htcap;
2595 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2596 } else /* Disable ht */
2597 memset(htcap, 0, sizeof(*htcap));
2599 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2603 static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2605 struct wiphy *wiphy = vif->ar->wiphy;
2608 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2609 if (!wiphy->bands[band])
2612 ret = ath6kl_set_htcap(vif, band,
2613 wiphy->bands[band]->ht_cap.ht_supported);
2621 static bool ath6kl_is_p2p_ie(const u8 *pos)
2623 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2624 pos[2] == 0x50 && pos[3] == 0x6f &&
2625 pos[4] == 0x9a && pos[5] == 0x09;
2628 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2629 const u8 *ies, size_t ies_len)
2631 struct ath6kl *ar = vif->ar;
2638 * Filter out P2P IE(s) since they will be included depending on
2639 * the Probe Request frame in ath6kl_send_go_probe_resp().
2642 if (ies && ies_len) {
2643 buf = kmalloc(ies_len, GFP_KERNEL);
2647 while (pos + 1 < ies + ies_len) {
2648 if (pos + 2 + pos[1] > ies + ies_len)
2650 if (!ath6kl_is_p2p_ie(pos)) {
2651 memcpy(buf + len, pos, 2 + pos[1]);
2658 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2659 WMI_FRAME_PROBE_RESP, buf, len);
2664 static int ath6kl_set_ies(struct ath6kl_vif *vif,
2665 struct cfg80211_beacon_data *info)
2667 struct ath6kl *ar = vif->ar;
2670 /* this also clears IE in fw if it's not set */
2671 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2674 info->beacon_ies_len);
2678 /* this also clears IE in fw if it's not set */
2679 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2680 info->proberesp_ies_len);
2684 /* this also clears IE in fw if it's not set */
2685 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2686 WMI_FRAME_ASSOC_RESP,
2687 info->assocresp_ies,
2688 info->assocresp_ies_len);
2695 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2705 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2709 rsn_ie_len = *(rsn_ie + 1);
2710 /* skip element id and length */
2719 /* skip group cipher suite */
2725 /* skip pairwise cipher suite */
2728 cnt = get_unaligned_le16(rsn_ie);
2729 rsn_ie += (2 + cnt * 4);
2730 rsn_ie_len -= (2 + cnt * 4);
2732 /* skip akm suite */
2735 cnt = get_unaligned_le16(rsn_ie);
2736 rsn_ie += (2 + cnt * 4);
2737 rsn_ie_len -= (2 + cnt * 4);
2742 memcpy(rsn_capab, rsn_ie, 2);
2747 static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2748 struct cfg80211_ap_settings *info)
2750 struct ath6kl *ar = ath6kl_priv(dev);
2751 struct ath6kl_vif *vif = netdev_priv(dev);
2752 struct ieee80211_mgmt *mgmt;
2753 bool hidden = false;
2756 struct wmi_connect_cmd p;
2760 int inactivity_timeout = 0;
2762 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2764 if (!ath6kl_cfg80211_ready(vif))
2767 if (vif->next_mode != AP_NETWORK)
2770 res = ath6kl_set_ies(vif, &info->beacon);
2772 ar->ap_mode_bkey.valid = false;
2774 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2775 info->beacon_interval);
2778 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
2780 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2783 /* ignore error, just print a warning and continue normally */
2785 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2787 if (info->beacon.head == NULL)
2789 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2790 ies = mgmt->u.beacon.variable;
2791 if (ies > info->beacon.head + info->beacon.head_len)
2793 ies_len = info->beacon.head + info->beacon.head_len - ies;
2795 if (info->ssid == NULL)
2797 memcpy(vif->ssid, info->ssid, info->ssid_len);
2798 vif->ssid_len = info->ssid_len;
2799 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2802 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2806 ret = ath6kl_set_auth_type(vif, info->auth_type);
2810 memset(&p, 0, sizeof(p));
2812 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2813 switch (info->crypto.akm_suites[i]) {
2814 case WLAN_AKM_SUITE_8021X:
2815 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2816 p.auth_mode |= WPA_AUTH;
2817 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2818 p.auth_mode |= WPA2_AUTH;
2820 case WLAN_AKM_SUITE_PSK:
2821 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2822 p.auth_mode |= WPA_PSK_AUTH;
2823 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2824 p.auth_mode |= WPA2_PSK_AUTH;
2828 if (p.auth_mode == 0)
2829 p.auth_mode = NONE_AUTH;
2830 vif->auth_mode = p.auth_mode;
2832 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2833 switch (info->crypto.ciphers_pairwise[i]) {
2834 case WLAN_CIPHER_SUITE_WEP40:
2835 case WLAN_CIPHER_SUITE_WEP104:
2836 p.prwise_crypto_type |= WEP_CRYPT;
2838 case WLAN_CIPHER_SUITE_TKIP:
2839 p.prwise_crypto_type |= TKIP_CRYPT;
2841 case WLAN_CIPHER_SUITE_CCMP:
2842 p.prwise_crypto_type |= AES_CRYPT;
2844 case WLAN_CIPHER_SUITE_SMS4:
2845 p.prwise_crypto_type |= WAPI_CRYPT;
2849 if (p.prwise_crypto_type == 0) {
2850 p.prwise_crypto_type = NONE_CRYPT;
2851 ath6kl_set_cipher(vif, 0, true);
2852 } else if (info->crypto.n_ciphers_pairwise == 1) {
2853 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->chandef.chan->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) {
2900 inactivity_timeout = info->inactivity_timeout;
2902 if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
2903 ar->fw_capabilities))
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->chandef.chan->band,
2914 cfg80211_get_chandef_type(&info->chandef)
2915 != NL80211_CHAN_NO_HT))
2919 * Get the PTKSA replay counter in the RSN IE. Supplicant
2920 * will use the RSN IE in M3 message and firmware has to
2921 * advertise the same in beacon/probe response. Send
2922 * the complete RSN IE capability field to firmware
2924 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2925 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2926 ar->fw_capabilities)) {
2927 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2928 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2929 (const u8 *) &rsn_capab,
2931 vif->rsn_capab = rsn_capab;
2936 memcpy(&vif->profile, &p, sizeof(p));
2937 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
2944 static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2945 struct cfg80211_beacon_data *beacon)
2947 struct ath6kl_vif *vif = netdev_priv(dev);
2949 if (!ath6kl_cfg80211_ready(vif))
2952 if (vif->next_mode != AP_NETWORK)
2955 return ath6kl_set_ies(vif, beacon);
2958 static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
2960 struct ath6kl *ar = ath6kl_priv(dev);
2961 struct ath6kl_vif *vif = netdev_priv(dev);
2963 if (vif->nw_type != AP_NETWORK)
2965 if (!test_bit(CONNECTED, &vif->flags))
2968 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
2969 clear_bit(CONNECTED, &vif->flags);
2971 /* Restore ht setting in firmware */
2972 return ath6kl_restore_htcap(vif);
2975 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2977 static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2980 struct ath6kl *ar = ath6kl_priv(dev);
2981 struct ath6kl_vif *vif = netdev_priv(dev);
2982 const u8 *addr = mac ? mac : bcast_addr;
2984 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2985 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2988 static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
2990 struct station_parameters *params)
2992 struct ath6kl *ar = ath6kl_priv(dev);
2993 struct ath6kl_vif *vif = netdev_priv(dev);
2996 if (vif->nw_type != AP_NETWORK)
2999 err = cfg80211_check_station_change(wiphy, params,
3000 CFG80211_STA_AP_MLME_CLIENT);
3004 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
3005 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3006 WMI_AP_MLME_AUTHORIZE, mac, 0);
3007 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3008 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
3011 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
3012 struct wireless_dev *wdev,
3013 struct ieee80211_channel *chan,
3014 unsigned int duration,
3017 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3018 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3021 /* TODO: if already pending or ongoing remain-on-channel,
3023 id = ++vif->last_roc_id;
3025 /* Do not use 0 as the cookie value */
3026 id = ++vif->last_roc_id;
3030 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3031 chan->center_freq, duration);
3034 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
3035 struct wireless_dev *wdev,
3038 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3039 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3041 if (cookie != vif->last_roc_id)
3043 vif->last_cancel_roc_id = cookie;
3045 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
3048 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3049 const u8 *buf, size_t len,
3052 struct ath6kl *ar = vif->ar;
3057 const struct ieee80211_mgmt *mgmt;
3059 mgmt = (const struct ieee80211_mgmt *) buf;
3061 /* Include P2P IE(s) from the frame generated in user space. */
3063 p2p = kmalloc(len, GFP_KERNEL);
3068 pos = mgmt->u.probe_resp.variable;
3069 while (pos + 1 < buf + len) {
3070 if (pos + 2 + pos[1] > buf + len)
3072 if (ath6kl_is_p2p_ie(pos)) {
3073 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3074 p2p_len += 2 + pos[1];
3079 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3080 mgmt->da, p2p, p2p_len);
3085 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3094 struct ieee80211_mgmt *mgmt;
3095 struct ath6kl_sta *conn;
3096 bool is_psq_empty = false;
3097 struct ath6kl_mgmt_buff *mgmt_buf;
3098 size_t mgmt_buf_size;
3099 struct ath6kl *ar = vif->ar;
3101 mgmt = (struct ieee80211_mgmt *) buf;
3102 if (is_multicast_ether_addr(mgmt->da))
3105 conn = ath6kl_find_sta(vif, mgmt->da);
3109 if (conn->sta_flags & STA_PS_SLEEP) {
3110 if (!(conn->sta_flags & STA_PS_POLLED)) {
3111 /* Queue the frames if the STA is sleeping */
3112 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3113 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3117 INIT_LIST_HEAD(&mgmt_buf->list);
3119 mgmt_buf->freq = freq;
3120 mgmt_buf->wait = wait;
3121 mgmt_buf->len = len;
3122 mgmt_buf->no_cck = no_cck;
3123 memcpy(mgmt_buf->buf, buf, len);
3124 spin_lock_bh(&conn->psq_lock);
3125 is_psq_empty = skb_queue_empty(&conn->psq) &&
3126 (conn->mgmt_psq_len == 0);
3127 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3128 conn->mgmt_psq_len++;
3129 spin_unlock_bh(&conn->psq_lock);
3132 * If this is the first pkt getting queued
3133 * for this STA, update the PVB for this
3137 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3143 * This tx is because of a PsPoll.
3144 * Determine if MoreData bit has to be set.
3146 spin_lock_bh(&conn->psq_lock);
3147 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3149 spin_unlock_bh(&conn->psq_lock);
3155 /* Check if SSID length is greater than DIRECT- */
3156 static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3158 const struct ieee80211_mgmt *mgmt;
3159 mgmt = (const struct ieee80211_mgmt *) buf;
3161 /* variable[1] contains the SSID tag length */
3162 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3163 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3170 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3171 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
3173 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3174 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3175 struct ieee80211_channel *chan = params->chan;
3176 const u8 *buf = params->buf;
3177 size_t len = params->len;
3178 unsigned int wait = params->wait;
3179 bool no_cck = params->no_cck;
3181 const struct ieee80211_mgmt *mgmt;
3182 bool more_data, queued;
3184 /* default to the current channel, but use the one specified as argument
3187 freq = vif->ch_hint;
3189 freq = chan->center_freq;
3191 /* never send freq zero to the firmware */
3192 if (WARN_ON(freq == 0))
3195 mgmt = (const struct ieee80211_mgmt *) buf;
3196 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3197 ieee80211_is_probe_resp(mgmt->frame_control) &&
3198 ath6kl_is_p2p_go_ssid(buf, len)) {
3200 * Send Probe Response frame in GO mode using a separate WMI
3201 * command to allow the target to fill in the generic IEs.
3203 *cookie = 0; /* TX status not supported */
3204 return ath6kl_send_go_probe_resp(vif, buf, len, freq);
3207 id = vif->send_action_id++;
3210 * 0 is a reserved value in the WMI command and shall not be
3211 * used for the command.
3213 id = vif->send_action_id++;
3218 /* AP mode Power saving processing */
3219 if (vif->nw_type == AP_NETWORK) {
3220 queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,
3221 &more_data, no_cck);
3226 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,
3227 wait, buf, len, no_cck);
3230 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3231 struct wireless_dev *wdev,
3232 u16 frame_type, bool reg)
3234 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3236 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3237 __func__, frame_type, reg);
3238 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3240 * Note: This notification callback is not allowed to sleep, so
3241 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3242 * hardcode target to report Probe Request frames all the time.
3244 vif->probe_req_report = reg;
3248 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3249 struct net_device *dev,
3250 struct cfg80211_sched_scan_request *request)
3252 struct ath6kl *ar = ath6kl_priv(dev);
3253 struct ath6kl_vif *vif = netdev_priv(dev);
3255 int ret, rssi_thold;
3256 int n_match_sets = request->n_match_sets;
3259 * If there's a matchset w/o an SSID, then assume it's just for
3260 * the RSSI (nothing else is currently supported) and ignore it.
3261 * The device only supports a global RSSI filter that we set below.
3263 if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len)
3266 if (ar->state != ATH6KL_STATE_ON)
3269 if (vif->sme_state != SME_DISCONNECTED)
3272 ath6kl_cfg80211_scan_complete_event(vif, true);
3274 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3276 request->match_sets,
3281 if (!n_match_sets) {
3282 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3287 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3288 MATCHED_SSID_FILTER, 0);
3293 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3294 ar->fw_capabilities)) {
3295 if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
3297 else if (request->min_rssi_thold < -127)
3300 rssi_thold = request->min_rssi_thold;
3302 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3305 ath6kl_err("failed to set RSSI threshold for scan\n");
3310 /* fw uses seconds, also make sure that it's >0 */
3311 interval = max_t(u16, 1, request->interval / 1000);
3313 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3315 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3317 /* this also clears IE in fw if it's not set */
3318 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3319 WMI_FRAME_PROBE_REQ,
3320 request->ie, request->ie_len);
3322 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3327 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3331 set_bit(SCHED_SCANNING, &vif->flags);
3336 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3337 struct net_device *dev)
3339 struct ath6kl_vif *vif = netdev_priv(dev);
3342 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3350 static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3351 struct net_device *dev,
3353 const struct cfg80211_bitrate_mask *mask)
3355 struct ath6kl *ar = ath6kl_priv(dev);
3356 struct ath6kl_vif *vif = netdev_priv(dev);
3358 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3362 static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3363 struct net_device *dev,
3364 u32 rate, u32 pkts, u32 intvl)
3366 struct ath6kl *ar = ath6kl_priv(dev);
3367 struct ath6kl_vif *vif = netdev_priv(dev);
3369 if (vif->nw_type != INFRA_NETWORK ||
3370 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3373 if (vif->sme_state != SME_CONNECTED)
3376 /* save this since the firmware won't report the interval */
3377 vif->txe_intvl = intvl;
3379 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3383 static const struct ieee80211_txrx_stypes
3384 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3385 [NL80211_IFTYPE_STATION] = {
3386 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3387 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3388 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3389 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3391 [NL80211_IFTYPE_AP] = {
3392 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3393 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3394 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3395 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3397 [NL80211_IFTYPE_P2P_CLIENT] = {
3398 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3399 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3400 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3401 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3403 [NL80211_IFTYPE_P2P_GO] = {
3404 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3405 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3406 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3407 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3411 static struct cfg80211_ops ath6kl_cfg80211_ops = {
3412 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3413 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3414 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3415 .scan = ath6kl_cfg80211_scan,
3416 .connect = ath6kl_cfg80211_connect,
3417 .disconnect = ath6kl_cfg80211_disconnect,
3418 .add_key = ath6kl_cfg80211_add_key,
3419 .get_key = ath6kl_cfg80211_get_key,
3420 .del_key = ath6kl_cfg80211_del_key,
3421 .set_default_key = ath6kl_cfg80211_set_default_key,
3422 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3423 .set_tx_power = ath6kl_cfg80211_set_txpower,
3424 .get_tx_power = ath6kl_cfg80211_get_txpower,
3425 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3426 .join_ibss = ath6kl_cfg80211_join_ibss,
3427 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3428 .get_station = ath6kl_get_station,
3429 .set_pmksa = ath6kl_set_pmksa,
3430 .del_pmksa = ath6kl_del_pmksa,
3431 .flush_pmksa = ath6kl_flush_pmksa,
3432 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3434 .suspend = __ath6kl_cfg80211_suspend,
3435 .resume = __ath6kl_cfg80211_resume,
3437 .start_ap = ath6kl_start_ap,
3438 .change_beacon = ath6kl_change_beacon,
3439 .stop_ap = ath6kl_stop_ap,
3440 .del_station = ath6kl_del_station,
3441 .change_station = ath6kl_change_station,
3442 .remain_on_channel = ath6kl_remain_on_channel,
3443 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3444 .mgmt_tx = ath6kl_mgmt_tx,
3445 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3446 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3447 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3448 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
3449 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
3452 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3454 ath6kl_cfg80211_sscan_disable(vif);
3456 switch (vif->sme_state) {
3457 case SME_DISCONNECTED:
3459 case SME_CONNECTING:
3460 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3462 WLAN_STATUS_UNSPECIFIED_FAILURE,
3466 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3470 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3471 (test_bit(CONNECTED, &vif->flags) ||
3472 test_bit(CONNECT_PEND, &vif->flags)))
3473 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3475 vif->sme_state = SME_DISCONNECTED;
3476 clear_bit(CONNECTED, &vif->flags);
3477 clear_bit(CONNECT_PEND, &vif->flags);
3479 /* Stop netdev queues, needed during recovery */
3480 netif_stop_queue(vif->ndev);
3481 netif_carrier_off(vif->ndev);
3483 /* disable scanning */
3484 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3485 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3486 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3487 ath6kl_warn("failed to disable scan during stop\n");
3489 ath6kl_cfg80211_scan_complete_event(vif, true);
3492 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3494 struct ath6kl_vif *vif;
3496 vif = ath6kl_vif_first(ar);
3497 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
3498 /* save the current power mode before enabling power save */
3499 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3501 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3502 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3507 * FIXME: we should take ar->list_lock to protect changes in the
3508 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3511 list_for_each_entry(vif, &ar->vif_list, list)
3512 ath6kl_cfg80211_stop(vif);
3515 static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3516 struct regulatory_request *request)
3518 struct ath6kl *ar = wiphy_priv(wiphy);
3519 u32 rates[IEEE80211_NUM_BANDS];
3522 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
3523 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
3524 request->alpha2[0], request->alpha2[1],
3525 request->intersect ? " intersect" : "",
3526 request->processed ? " processed" : "",
3527 request->initiator, request->user_reg_hint_type);
3529 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
3532 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3534 ath6kl_err("failed to set regdomain: %d\n", ret);
3539 * Firmware will apply the regdomain change only after a scan is
3540 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3544 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3545 if (wiphy->bands[i])
3546 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3549 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3550 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3551 0, NULL, false, rates);
3553 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3559 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3561 vif->aggr_cntxt = aggr_init(vif);
3562 if (!vif->aggr_cntxt) {
3563 ath6kl_err("failed to initialize aggr\n");
3567 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3568 (unsigned long) vif->ndev);
3569 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3570 (unsigned long) vif);
3572 set_bit(WMM_ENABLED, &vif->flags);
3573 spin_lock_init(&vif->if_lock);
3575 INIT_LIST_HEAD(&vif->mc_filter);
3580 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3582 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3585 netif_stop_queue(vif->ndev);
3587 clear_bit(WLAN_ENABLED, &vif->flags);
3590 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3591 test_bit(CONNECT_PEND, &vif->flags);
3592 ath6kl_disconnect(vif);
3593 del_timer(&vif->disconnect_timer);
3596 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3597 (vif->nw_type & AP_NETWORK) ?
3598 bcast_mac : vif->bssid,
3602 if (vif->scan_req) {
3603 cfg80211_scan_done(vif->scan_req, true);
3604 vif->scan_req = NULL;
3607 /* need to clean up enhanced bmiss detection fw state */
3608 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3611 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3613 struct ath6kl *ar = vif->ar;
3614 struct ath6kl_mc_filter *mc_filter, *tmp;
3616 aggr_module_destroy(vif->aggr_cntxt);
3618 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3620 if (vif->nw_type == ADHOC_NETWORK)
3621 ar->ibss_if_active = false;
3623 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3624 list_del(&mc_filter->list);
3628 unregister_netdevice(vif->ndev);
3633 struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
3634 enum nl80211_iftype type,
3635 u8 fw_vif_idx, u8 nw_type)
3637 struct net_device *ndev;
3638 struct ath6kl_vif *vif;
3640 ndev = alloc_netdev(sizeof(*vif), name, NET_NAME_UNKNOWN, ether_setup);
3644 vif = netdev_priv(ndev);
3645 ndev->ieee80211_ptr = &vif->wdev;
3646 vif->wdev.wiphy = ar->wiphy;
3649 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3650 vif->wdev.netdev = ndev;
3651 vif->wdev.iftype = type;
3652 vif->fw_vif_idx = fw_vif_idx;
3653 vif->nw_type = nw_type;
3654 vif->next_mode = nw_type;
3655 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3656 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3657 vif->bg_scan_period = 0;
3658 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3659 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
3661 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3662 if (fw_vif_idx != 0) {
3663 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3665 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3666 ar->fw_capabilities))
3667 ndev->dev_addr[4] ^= 0x80;
3672 ath6kl_init_control_info(vif);
3674 if (ath6kl_cfg80211_vif_init(vif))
3677 if (register_netdevice(ndev))
3680 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3681 vif->sme_state = SME_DISCONNECTED;
3682 set_bit(WLAN_ENABLED, &vif->flags);
3683 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3685 if (type == NL80211_IFTYPE_ADHOC)
3686 ar->ibss_if_active = true;
3688 spin_lock_bh(&ar->list_lock);
3689 list_add_tail(&vif->list, &ar->vif_list);
3690 spin_unlock_bh(&ar->list_lock);
3695 aggr_module_destroy(vif->aggr_cntxt);
3701 static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
3702 .flags = WIPHY_WOWLAN_MAGIC_PKT |
3703 WIPHY_WOWLAN_DISCONNECT |
3704 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3705 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3706 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3707 WIPHY_WOWLAN_4WAY_HANDSHAKE,
3708 .n_patterns = WOW_MAX_FILTERS_PER_LIST,
3709 .pattern_min_len = 1,
3710 .pattern_max_len = WOW_PATTERN_SIZE,
3714 int ath6kl_cfg80211_init(struct ath6kl *ar)
3716 struct wiphy *wiphy = ar->wiphy;
3717 bool band_2gig = false, band_5gig = false, ht = false;
3720 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3722 wiphy->max_remain_on_channel_duration = 5000;
3724 /* set device pointer for wiphy */
3725 set_wiphy_dev(wiphy, ar->dev);
3727 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3728 BIT(NL80211_IFTYPE_ADHOC) |
3729 BIT(NL80211_IFTYPE_AP);
3731 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3732 BIT(NL80211_IFTYPE_P2P_CLIENT);
3735 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
3736 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
3737 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
3738 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3741 /* max num of ssids that can be probed during scanning */
3742 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
3744 /* max num of ssids that can be matched after scan */
3745 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3746 ar->fw_capabilities))
3747 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3749 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3750 switch (ar->hw.cap) {
3768 ath6kl_err("invalid phy capability!\n");
3773 * Even if the fw has HT support, advertise HT cap only when
3774 * the firmware has support to override RSN capability, otherwise
3775 * 4-way handshake would fail.
3778 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3779 ar->fw_capabilities))) {
3780 ath6kl_band_2ghz.ht_cap.cap = 0;
3781 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3782 ath6kl_band_5ghz.ht_cap.cap = 0;
3783 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3786 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
3787 ar->fw_capabilities)) {
3788 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3789 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3790 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3791 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3793 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3794 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3798 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3800 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3802 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3804 wiphy->cipher_suites = cipher_suites;
3805 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3808 wiphy->wowlan = &ath6kl_wowlan_support;
3811 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
3813 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3814 WIPHY_FLAG_HAVE_AP_SME |
3815 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3816 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3818 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
3819 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3821 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3822 ar->fw_capabilities))
3823 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
3825 ar->wiphy->probe_resp_offload =
3826 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3827 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3828 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3830 ret = wiphy_register(wiphy);
3832 ath6kl_err("couldn't register wiphy device\n");
3836 ar->wiphy_registered = true;
3841 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
3843 wiphy_unregister(ar->wiphy);
3845 ar->wiphy_registered = false;
3848 struct ath6kl *ath6kl_cfg80211_create(void)
3851 struct wiphy *wiphy;
3853 /* create a new wiphy for use with cfg80211 */
3854 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3857 ath6kl_err("couldn't allocate wiphy device\n");
3861 ar = wiphy_priv(wiphy);
3867 /* Note: ar variable must not be accessed after calling this! */
3868 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3872 for (i = 0; i < AP_MAX_NUM_STA; i++)
3873 kfree(ar->sta_list[i].aggr_conn);
3875 wiphy_free(ar->wiphy);