2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 #include <linux/moduleparam.h>
21 #include <linux/inetdevice.h>
22 #include <linux/export.h>
30 #define RATETAB_ENT(_rate, _rateid, _flags) { \
33 .hw_value = (_rateid), \
36 #define CHAN2G(_channel, _freq, _flags) { \
37 .band = IEEE80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
41 .max_antenna_gain = 0, \
45 #define CHAN5G(_channel, _flags) { \
46 .band = IEEE80211_BAND_5GHZ, \
47 .hw_value = (_channel), \
48 .center_freq = 5000 + (5 * (_channel)), \
50 .max_antenna_gain = 0, \
54 #define DEFAULT_BG_SCAN_PERIOD 60
56 struct ath6kl_cfg80211_match_probe_ssid {
57 struct cfg80211_ssid ssid;
61 static struct ieee80211_rate ath6kl_rates[] = {
62 RATETAB_ENT(10, 0x1, 0),
63 RATETAB_ENT(20, 0x2, 0),
64 RATETAB_ENT(55, 0x4, 0),
65 RATETAB_ENT(110, 0x8, 0),
66 RATETAB_ENT(60, 0x10, 0),
67 RATETAB_ENT(90, 0x20, 0),
68 RATETAB_ENT(120, 0x40, 0),
69 RATETAB_ENT(180, 0x80, 0),
70 RATETAB_ENT(240, 0x100, 0),
71 RATETAB_ENT(360, 0x200, 0),
72 RATETAB_ENT(480, 0x400, 0),
73 RATETAB_ENT(540, 0x800, 0),
76 #define ath6kl_a_rates (ath6kl_rates + 4)
77 #define ath6kl_a_rates_size 8
78 #define ath6kl_g_rates (ath6kl_rates + 0)
79 #define ath6kl_g_rates_size 12
81 #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
82 #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
83 IEEE80211_HT_CAP_SGI_20 | \
84 IEEE80211_HT_CAP_SGI_40)
86 static struct ieee80211_channel ath6kl_2ghz_channels[] = {
103 static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
104 CHAN5G(34, 0), CHAN5G(36, 0),
105 CHAN5G(38, 0), CHAN5G(40, 0),
106 CHAN5G(42, 0), CHAN5G(44, 0),
107 CHAN5G(46, 0), CHAN5G(48, 0),
108 CHAN5G(52, 0), CHAN5G(56, 0),
109 CHAN5G(60, 0), CHAN5G(64, 0),
110 CHAN5G(100, 0), CHAN5G(104, 0),
111 CHAN5G(108, 0), CHAN5G(112, 0),
112 CHAN5G(116, 0), CHAN5G(120, 0),
113 CHAN5G(124, 0), CHAN5G(128, 0),
114 CHAN5G(132, 0), CHAN5G(136, 0),
115 CHAN5G(140, 0), CHAN5G(149, 0),
116 CHAN5G(153, 0), CHAN5G(157, 0),
117 CHAN5G(161, 0), CHAN5G(165, 0),
118 CHAN5G(184, 0), CHAN5G(188, 0),
119 CHAN5G(192, 0), CHAN5G(196, 0),
120 CHAN5G(200, 0), CHAN5G(204, 0),
121 CHAN5G(208, 0), CHAN5G(212, 0),
125 static struct ieee80211_supported_band ath6kl_band_2ghz = {
126 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
127 .channels = ath6kl_2ghz_channels,
128 .n_bitrates = ath6kl_g_rates_size,
129 .bitrates = ath6kl_g_rates,
130 .ht_cap.cap = ath6kl_g_htcap,
131 .ht_cap.ht_supported = true,
134 static struct ieee80211_supported_band ath6kl_band_5ghz = {
135 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
136 .channels = ath6kl_5ghz_a_channels,
137 .n_bitrates = ath6kl_a_rates_size,
138 .bitrates = ath6kl_a_rates,
139 .ht_cap.cap = ath6kl_a_htcap,
140 .ht_cap.ht_supported = true,
143 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
145 /* returns true if scheduled scan was stopped */
146 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
148 struct ath6kl *ar = vif->ar;
150 if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
153 del_timer_sync(&vif->sched_scan_timer);
155 if (ar->state == ATH6KL_STATE_RECOVERY)
158 ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
163 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
165 struct ath6kl *ar = vif->ar;
168 stopped = __ath6kl_cfg80211_sscan_stop(vif);
173 cfg80211_sched_scan_stopped(ar->wiphy);
176 static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
177 enum nl80211_wpa_versions wpa_version)
179 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
182 vif->auth_mode = NONE_AUTH;
183 } else if (wpa_version & NL80211_WPA_VERSION_2) {
184 vif->auth_mode = WPA2_AUTH;
185 } else if (wpa_version & NL80211_WPA_VERSION_1) {
186 vif->auth_mode = WPA_AUTH;
188 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
195 static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
196 enum nl80211_auth_type auth_type)
198 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
201 case NL80211_AUTHTYPE_OPEN_SYSTEM:
202 vif->dot11_auth_mode = OPEN_AUTH;
204 case NL80211_AUTHTYPE_SHARED_KEY:
205 vif->dot11_auth_mode = SHARED_AUTH;
207 case NL80211_AUTHTYPE_NETWORK_EAP:
208 vif->dot11_auth_mode = LEAP_AUTH;
211 case NL80211_AUTHTYPE_AUTOMATIC:
212 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
216 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
223 static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
225 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
226 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
227 &vif->grp_crypto_len;
229 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
230 __func__, cipher, ucast);
234 /* our own hack to use value 0 as no crypto used */
235 *ar_cipher = NONE_CRYPT;
238 case WLAN_CIPHER_SUITE_WEP40:
239 *ar_cipher = WEP_CRYPT;
242 case WLAN_CIPHER_SUITE_WEP104:
243 *ar_cipher = WEP_CRYPT;
246 case WLAN_CIPHER_SUITE_TKIP:
247 *ar_cipher = TKIP_CRYPT;
250 case WLAN_CIPHER_SUITE_CCMP:
251 *ar_cipher = AES_CRYPT;
254 case WLAN_CIPHER_SUITE_SMS4:
255 *ar_cipher = WAPI_CRYPT;
259 ath6kl_err("cipher 0x%x not supported\n", cipher);
266 static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
268 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
270 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
271 if (vif->auth_mode == WPA_AUTH)
272 vif->auth_mode = WPA_PSK_AUTH;
273 else if (vif->auth_mode == WPA2_AUTH)
274 vif->auth_mode = WPA2_PSK_AUTH;
275 } else if (key_mgmt == 0x00409600) {
276 if (vif->auth_mode == WPA_AUTH)
277 vif->auth_mode = WPA_AUTH_CCKM;
278 else if (vif->auth_mode == WPA2_AUTH)
279 vif->auth_mode = WPA2_AUTH_CCKM;
280 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
281 vif->auth_mode = NONE_AUTH;
285 static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
287 struct ath6kl *ar = vif->ar;
289 if (!test_bit(WMI_READY, &ar->flag)) {
290 ath6kl_err("wmi is not ready\n");
294 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
295 ath6kl_err("wlan disabled\n");
302 static bool ath6kl_is_wpa_ie(const u8 *pos)
304 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
305 pos[2] == 0x00 && pos[3] == 0x50 &&
306 pos[4] == 0xf2 && pos[5] == 0x01;
309 static bool ath6kl_is_rsn_ie(const u8 *pos)
311 return pos[0] == WLAN_EID_RSN;
314 static bool ath6kl_is_wps_ie(const u8 *pos)
316 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
318 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
322 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
325 struct ath6kl *ar = vif->ar;
332 * Clear previously set flag
335 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
338 * Filter out RSN/WPA IE(s)
341 if (ies && ies_len) {
342 buf = kmalloc(ies_len, GFP_KERNEL);
347 while (pos + 1 < ies + ies_len) {
348 if (pos + 2 + pos[1] > ies + ies_len)
350 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
351 memcpy(buf + len, pos, 2 + pos[1]);
355 if (ath6kl_is_wps_ie(pos))
356 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
362 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
363 WMI_FRAME_ASSOC_REQ, buf, len);
368 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
371 case NL80211_IFTYPE_STATION:
372 case NL80211_IFTYPE_P2P_CLIENT:
373 *nw_type = INFRA_NETWORK;
375 case NL80211_IFTYPE_ADHOC:
376 *nw_type = ADHOC_NETWORK;
378 case NL80211_IFTYPE_AP:
379 case NL80211_IFTYPE_P2P_GO:
380 *nw_type = AP_NETWORK;
383 ath6kl_err("invalid interface type %u\n", type);
390 static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
391 u8 *if_idx, u8 *nw_type)
395 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
398 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
402 if (type == NL80211_IFTYPE_STATION ||
403 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
404 for (i = 0; i < ar->vif_max; i++) {
405 if ((ar->avail_idx_map >> i) & BIT(0)) {
412 if (type == NL80211_IFTYPE_P2P_CLIENT ||
413 type == NL80211_IFTYPE_P2P_GO) {
414 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
415 if ((ar->avail_idx_map >> i) & BIT(0)) {
425 static bool ath6kl_is_tx_pending(struct ath6kl *ar)
427 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
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");
733 void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
734 u8 *bssid, u16 listen_intvl,
736 enum network_type nw_type,
737 u8 beacon_ie_len, u8 assoc_req_len,
738 u8 assoc_resp_len, u8 *assoc_info)
740 struct ieee80211_channel *chan;
741 struct ath6kl *ar = vif->ar;
742 struct cfg80211_bss *bss;
744 /* capinfo + listen interval */
745 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
747 /* capinfo + status code + associd */
748 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
750 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
751 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
752 assoc_resp_ie_offset;
754 assoc_req_len -= assoc_req_ie_offset;
755 assoc_resp_len -= assoc_resp_ie_offset;
758 * Store Beacon interval here; DTIM period will be available only once
759 * a Beacon frame from the AP is seen.
761 vif->assoc_bss_beacon_int = beacon_intvl;
762 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
764 if (nw_type & ADHOC_NETWORK) {
765 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
766 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
767 "%s: ath6k not in ibss mode\n", __func__);
772 if (nw_type & INFRA_NETWORK) {
773 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
774 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
775 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
776 "%s: ath6k not in station mode\n", __func__);
781 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
783 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
784 assoc_info, beacon_ie_len);
786 ath6kl_err("could not add cfg80211 bss entry\n");
790 if (nw_type & ADHOC_NETWORK) {
791 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
792 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
793 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
794 cfg80211_put_bss(ar->wiphy, bss);
798 if (vif->sme_state == SME_CONNECTING) {
799 /* inform connect result to cfg80211 */
800 vif->sme_state = SME_CONNECTED;
801 cfg80211_connect_result(vif->ndev, bssid,
802 assoc_req_ie, assoc_req_len,
803 assoc_resp_ie, assoc_resp_len,
804 WLAN_STATUS_SUCCESS, GFP_KERNEL);
805 cfg80211_put_bss(ar->wiphy, bss);
806 } else if (vif->sme_state == SME_CONNECTED) {
807 /* inform roam event to cfg80211 */
808 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
809 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
813 static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
814 struct net_device *dev, u16 reason_code)
816 struct ath6kl *ar = ath6kl_priv(dev);
817 struct ath6kl_vif *vif = netdev_priv(dev);
819 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
822 ath6kl_cfg80211_sscan_disable(vif);
824 if (!ath6kl_cfg80211_ready(vif))
827 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
828 ath6kl_err("busy, destroy in progress\n");
832 if (down_interruptible(&ar->sem)) {
833 ath6kl_err("busy, couldn't get access\n");
837 vif->reconnect_flag = 0;
838 ath6kl_disconnect(vif);
839 memset(vif->ssid, 0, sizeof(vif->ssid));
842 if (!test_bit(SKIP_SCAN, &ar->flag))
843 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
847 vif->sme_state = SME_DISCONNECTED;
852 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
853 u8 *bssid, u8 assoc_resp_len,
854 u8 *assoc_info, u16 proto_reason)
856 struct ath6kl *ar = vif->ar;
859 cfg80211_scan_done(vif->scan_req, true);
860 vif->scan_req = NULL;
863 if (vif->nw_type & ADHOC_NETWORK) {
864 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
865 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
866 "%s: ath6k not in ibss mode\n", __func__);
869 memset(bssid, 0, ETH_ALEN);
870 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
874 if (vif->nw_type & INFRA_NETWORK) {
875 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
876 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
877 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
878 "%s: ath6k not in station mode\n", __func__);
883 clear_bit(CONNECT_PEND, &vif->flags);
885 if (vif->sme_state == SME_CONNECTING) {
886 cfg80211_connect_result(vif->ndev,
889 WLAN_STATUS_UNSPECIFIED_FAILURE,
891 } else if (vif->sme_state == SME_CONNECTED) {
892 cfg80211_disconnected(vif->ndev, proto_reason,
893 NULL, 0, GFP_KERNEL);
896 vif->sme_state = SME_DISCONNECTED;
899 * Send a disconnect command to target when a disconnect event is
900 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
901 * request from host) to make the firmware stop trying to connect even
902 * after giving disconnect event. There will be one more disconnect
903 * event for this disconnect command with reason code DISCONNECT_CMD
904 * which won't be notified to cfg80211.
906 if (reason != DISCONNECT_CMD)
907 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
910 static int ath6kl_set_probed_ssids(struct ath6kl *ar,
911 struct ath6kl_vif *vif,
912 struct cfg80211_ssid *ssids, int n_ssids,
913 struct cfg80211_match_set *match_set,
916 u8 i, j, index_to_add, ssid_found = false;
917 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
919 memset(ssid_list, 0, sizeof(ssid_list));
921 if (n_ssids > MAX_PROBED_SSIDS ||
922 n_match_ssid > MAX_PROBED_SSIDS)
925 for (i = 0; i < n_ssids; i++) {
926 memcpy(ssid_list[i].ssid.ssid,
929 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
931 if (ssids[i].ssid_len)
932 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
934 ssid_list[i].flag = ANY_SSID_FLAG;
936 if (n_match_ssid == 0)
937 ssid_list[i].flag |= MATCH_SSID_FLAG;
942 for (i = 0; i < n_match_ssid; i++) {
945 for (j = 0; j < n_ssids; j++) {
946 if ((match_set[i].ssid.ssid_len ==
947 ssid_list[j].ssid.ssid_len) &&
948 (!memcmp(ssid_list[j].ssid.ssid,
949 match_set[i].ssid.ssid,
950 match_set[i].ssid.ssid_len))) {
951 ssid_list[j].flag |= MATCH_SSID_FLAG;
960 if (index_to_add >= MAX_PROBED_SSIDS)
963 ssid_list[index_to_add].ssid.ssid_len =
964 match_set[i].ssid.ssid_len;
965 memcpy(ssid_list[index_to_add].ssid.ssid,
966 match_set[i].ssid.ssid,
967 match_set[i].ssid.ssid_len);
968 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
972 for (i = 0; i < index_to_add; i++) {
973 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
975 ssid_list[i].ssid.ssid_len,
976 ssid_list[i].ssid.ssid);
980 /* Make sure no old entries are left behind */
981 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
982 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
983 DISABLE_SSID_FLAG, 0, NULL);
989 static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
990 struct cfg80211_scan_request *request)
992 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
993 struct ath6kl *ar = ath6kl_priv(vif->ndev);
995 u16 *channels = NULL;
997 u32 force_fg_scan = 0;
999 if (!ath6kl_cfg80211_ready(vif))
1002 ath6kl_cfg80211_sscan_disable(vif);
1004 if (!ar->usr_bss_filter) {
1005 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1006 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1009 ath6kl_err("couldn't set bss filtering\n");
1014 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
1015 request->n_ssids, NULL, 0);
1019 /* this also clears IE in fw if it's not set */
1020 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1021 WMI_FRAME_PROBE_REQ,
1022 request->ie, request->ie_len);
1024 ath6kl_err("failed to set Probe Request appie for scan\n");
1029 * Scan only the requested channels if the request specifies a set of
1030 * channels. If the list is longer than the target supports, do not
1031 * configure the list and instead, scan all available channels.
1033 if (request->n_channels > 0 &&
1034 request->n_channels <= WMI_MAX_CHANNELS) {
1037 n_channels = request->n_channels;
1039 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1040 if (channels == NULL) {
1041 ath6kl_warn("failed to set scan channels, scan all channels");
1045 for (i = 0; i < n_channels; i++)
1046 channels[i] = request->channels[i]->center_freq;
1049 if (test_bit(CONNECTED, &vif->flags))
1052 vif->scan_req = request;
1054 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1055 WMI_LONG_SCAN, force_fg_scan,
1057 ATH6KL_FG_SCAN_INTERVAL,
1058 n_channels, channels,
1062 ath6kl_err("failed to start scan: %d\n", ret);
1063 vif->scan_req = NULL;
1071 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1073 struct ath6kl *ar = vif->ar;
1076 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1077 aborted ? " aborted" : "");
1085 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1086 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1087 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1088 i + 1, DISABLE_SSID_FLAG,
1094 cfg80211_scan_done(vif->scan_req, aborted);
1095 vif->scan_req = NULL;
1098 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1099 enum wmi_phy_mode mode)
1101 struct cfg80211_chan_def chandef;
1103 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1104 "channel switch notify nw_type %d freq %d mode %d\n",
1105 vif->nw_type, freq, mode);
1107 cfg80211_chandef_create(&chandef,
1108 ieee80211_get_channel(vif->ar->wiphy, freq),
1109 (mode == WMI_11G_HT20) ?
1110 NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT);
1112 cfg80211_ch_switch_notify(vif->ndev, &chandef);
1115 static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1116 u8 key_index, bool pairwise,
1118 struct key_params *params)
1120 struct ath6kl *ar = ath6kl_priv(ndev);
1121 struct ath6kl_vif *vif = netdev_priv(ndev);
1122 struct ath6kl_key *key = NULL;
1127 if (!ath6kl_cfg80211_ready(vif))
1130 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1131 if (params->key_len != WMI_KRK_LEN)
1133 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1137 if (key_index > WMI_MAX_KEY_INDEX) {
1138 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1139 "%s: key index %d out of bounds\n", __func__,
1144 key = &vif->keys[key_index];
1145 memset(key, 0, sizeof(struct ath6kl_key));
1148 key_usage = PAIRWISE_USAGE;
1150 key_usage = GROUP_USAGE;
1152 seq_len = params->seq_len;
1153 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1154 seq_len > ATH6KL_KEY_SEQ_LEN) {
1155 /* Only first half of the WPI PN is configured */
1156 seq_len = ATH6KL_KEY_SEQ_LEN;
1158 if (params->key_len > WLAN_MAX_KEY_LEN ||
1159 seq_len > sizeof(key->seq))
1162 key->key_len = params->key_len;
1163 memcpy(key->key, params->key, key->key_len);
1164 key->seq_len = seq_len;
1165 memcpy(key->seq, params->seq, key->seq_len);
1166 key->cipher = params->cipher;
1168 switch (key->cipher) {
1169 case WLAN_CIPHER_SUITE_WEP40:
1170 case WLAN_CIPHER_SUITE_WEP104:
1171 key_type = WEP_CRYPT;
1174 case WLAN_CIPHER_SUITE_TKIP:
1175 key_type = TKIP_CRYPT;
1178 case WLAN_CIPHER_SUITE_CCMP:
1179 key_type = AES_CRYPT;
1181 case WLAN_CIPHER_SUITE_SMS4:
1182 key_type = WAPI_CRYPT;
1189 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1190 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1191 (key_usage & GROUP_USAGE))
1192 del_timer(&vif->disconnect_timer);
1194 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1195 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1196 __func__, key_index, key->key_len, key_type,
1197 key_usage, key->seq_len);
1199 if (vif->nw_type == AP_NETWORK && !pairwise &&
1200 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1201 key_type == WAPI_CRYPT)) {
1202 ar->ap_mode_bkey.valid = true;
1203 ar->ap_mode_bkey.key_index = key_index;
1204 ar->ap_mode_bkey.key_type = key_type;
1205 ar->ap_mode_bkey.key_len = key->key_len;
1206 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1207 if (!test_bit(CONNECTED, &vif->flags)) {
1208 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1209 "Delay initial group key configuration until AP mode has been started\n");
1211 * The key will be set in ath6kl_connect_ap_mode() once
1212 * the connected event is received from the target.
1218 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1219 !test_bit(CONNECTED, &vif->flags)) {
1221 * Store the key locally so that it can be re-configured after
1222 * the AP mode has properly started
1223 * (ath6kl_install_statioc_wep_keys).
1225 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1226 "Delay WEP key configuration until AP mode has been started\n");
1227 vif->wep_key_list[key_index].key_len = key->key_len;
1228 memcpy(vif->wep_key_list[key_index].key, key->key,
1233 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1234 key_type, key_usage, key->key_len,
1235 key->seq, key->seq_len, key->key,
1237 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1240 static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1241 u8 key_index, bool pairwise,
1244 struct ath6kl *ar = ath6kl_priv(ndev);
1245 struct ath6kl_vif *vif = netdev_priv(ndev);
1247 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1249 if (!ath6kl_cfg80211_ready(vif))
1252 if (key_index > WMI_MAX_KEY_INDEX) {
1253 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1254 "%s: key index %d out of bounds\n", __func__,
1259 if (!vif->keys[key_index].key_len) {
1260 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1261 "%s: index %d is empty\n", __func__, key_index);
1265 vif->keys[key_index].key_len = 0;
1267 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1270 static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1271 u8 key_index, bool pairwise,
1272 const u8 *mac_addr, void *cookie,
1273 void (*callback) (void *cookie,
1274 struct key_params *))
1276 struct ath6kl_vif *vif = netdev_priv(ndev);
1277 struct ath6kl_key *key = NULL;
1278 struct key_params params;
1280 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1282 if (!ath6kl_cfg80211_ready(vif))
1285 if (key_index > WMI_MAX_KEY_INDEX) {
1286 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1287 "%s: key index %d out of bounds\n", __func__,
1292 key = &vif->keys[key_index];
1293 memset(¶ms, 0, sizeof(params));
1294 params.cipher = key->cipher;
1295 params.key_len = key->key_len;
1296 params.seq_len = key->seq_len;
1297 params.seq = key->seq;
1298 params.key = key->key;
1300 callback(cookie, ¶ms);
1302 return key->key_len ? 0 : -ENOENT;
1305 static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1306 struct net_device *ndev,
1307 u8 key_index, bool unicast,
1310 struct ath6kl *ar = ath6kl_priv(ndev);
1311 struct ath6kl_vif *vif = netdev_priv(ndev);
1312 struct ath6kl_key *key = NULL;
1314 enum crypto_type key_type = NONE_CRYPT;
1316 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1318 if (!ath6kl_cfg80211_ready(vif))
1321 if (key_index > WMI_MAX_KEY_INDEX) {
1322 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1323 "%s: key index %d out of bounds\n",
1324 __func__, key_index);
1328 if (!vif->keys[key_index].key_len) {
1329 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1330 __func__, key_index);
1334 vif->def_txkey_index = key_index;
1335 key = &vif->keys[vif->def_txkey_index];
1336 key_usage = GROUP_USAGE;
1337 if (vif->prwise_crypto == WEP_CRYPT)
1338 key_usage |= TX_USAGE;
1340 key_type = vif->prwise_crypto;
1342 key_type = vif->grp_crypto;
1344 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1345 return 0; /* Delay until AP mode has been started */
1347 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1348 vif->def_txkey_index,
1349 key_type, key_usage,
1350 key->key_len, key->seq, key->seq_len,
1352 KEY_OP_INIT_VAL, NULL,
1356 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1359 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1360 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1362 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1363 (ismcast ? NL80211_KEYTYPE_GROUP :
1364 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1368 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1370 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1371 struct ath6kl_vif *vif;
1374 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1377 vif = ath6kl_vif_first(ar);
1381 if (!ath6kl_cfg80211_ready(vif))
1384 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1385 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1387 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1395 static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1396 struct wireless_dev *wdev,
1397 enum nl80211_tx_power_setting type,
1400 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1401 struct ath6kl_vif *vif;
1402 int dbm = MBM_TO_DBM(mbm);
1404 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1407 vif = ath6kl_vif_first(ar);
1411 if (!ath6kl_cfg80211_ready(vif))
1415 case NL80211_TX_POWER_AUTOMATIC:
1417 case NL80211_TX_POWER_LIMITED:
1421 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1426 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
1431 static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy,
1432 struct wireless_dev *wdev,
1435 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1436 struct ath6kl_vif *vif;
1438 vif = ath6kl_vif_first(ar);
1442 if (!ath6kl_cfg80211_ready(vif))
1445 if (test_bit(CONNECTED, &vif->flags)) {
1448 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1449 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1453 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1456 if (signal_pending(current)) {
1457 ath6kl_err("target did not respond\n");
1466 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1467 struct net_device *dev,
1468 bool pmgmt, int timeout)
1470 struct ath6kl *ar = ath6kl_priv(dev);
1471 struct wmi_power_mode_cmd mode;
1472 struct ath6kl_vif *vif = netdev_priv(dev);
1474 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1475 __func__, pmgmt, timeout);
1477 if (!ath6kl_cfg80211_ready(vif))
1481 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1482 mode.pwr_mode = REC_POWER;
1484 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1485 mode.pwr_mode = MAX_PERF_POWER;
1488 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1489 mode.pwr_mode) != 0) {
1490 ath6kl_err("wmi_powermode_cmd failed\n");
1497 static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1499 enum nl80211_iftype type,
1501 struct vif_params *params)
1503 struct ath6kl *ar = wiphy_priv(wiphy);
1504 struct wireless_dev *wdev;
1507 if (ar->num_vif == ar->vif_max) {
1508 ath6kl_err("Reached maximum number of supported vif\n");
1509 return ERR_PTR(-EINVAL);
1512 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1513 ath6kl_err("Not a supported interface type\n");
1514 return ERR_PTR(-EINVAL);
1517 wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1519 return ERR_PTR(-ENOMEM);
1526 static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1527 struct wireless_dev *wdev)
1529 struct ath6kl *ar = wiphy_priv(wiphy);
1530 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
1532 spin_lock_bh(&ar->list_lock);
1533 list_del(&vif->list);
1534 spin_unlock_bh(&ar->list_lock);
1536 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
1538 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 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++) {
1902 * Convert given nl80211 specific mask value to equivalent
1903 * driver specific mask value and send it to the chip along
1904 * with patterns. For example, If the mask value defined in
1905 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1906 * then equivalent driver specific mask value is
1907 * "0xFF 0x00 0xFF 0x00".
1909 memset(&mask, 0, sizeof(mask));
1910 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1911 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1915 * Note: Pattern's offset is not passed as part of wowlan
1916 * parameter from CFG layer. So it's always passed as ZERO
1917 * to the firmware. It means, given WOW patterns are always
1918 * matched from the first byte of received pkt in the firmware.
1920 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1921 vif->fw_vif_idx, WOW_LIST_ID,
1922 wow->patterns[i].pattern_len,
1923 0 /* pattern offset */,
1924 wow->patterns[i].pattern, mask);
1929 if (wow->disconnect)
1930 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1933 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1935 if (wow->gtk_rekey_failure)
1936 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1938 if (wow->eap_identity_req)
1939 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1941 if (wow->four_way_handshake)
1942 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1947 static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1949 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1950 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1951 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1953 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1954 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1955 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1957 u8 unicst_offset = 0;
1958 static const u8 arp_pattern[] = { 0x08, 0x06 };
1959 static const u8 arp_mask[] = { 0xff, 0xff };
1961 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1962 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1963 u8 discvr_offset = 38;
1964 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1965 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1966 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1967 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1968 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1969 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1970 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1971 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1972 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1973 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1974 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1975 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1979 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1980 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1981 vif->fw_vif_idx, WOW_LIST_ID,
1982 sizeof(unicst_pattern), unicst_offset,
1983 unicst_pattern, unicst_mask);
1985 ath6kl_err("failed to add WOW unicast IP pattern\n");
1989 /* Setup all ARP pkt pattern */
1990 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1991 vif->fw_vif_idx, WOW_LIST_ID,
1992 sizeof(arp_pattern), arp_offset,
1993 arp_pattern, arp_mask);
1995 ath6kl_err("failed to add WOW ARP pattern\n");
2000 * Setup multicast pattern for mDNS 224.0.0.251,
2001 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2003 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2004 vif->fw_vif_idx, WOW_LIST_ID,
2005 sizeof(discvr_pattern), discvr_offset,
2006 discvr_pattern, discvr_mask);
2008 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2012 /* Setup all DHCP broadcast pkt pattern */
2013 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2014 vif->fw_vif_idx, WOW_LIST_ID,
2015 sizeof(dhcp_pattern), dhcp_offset,
2016 dhcp_pattern, dhcp_mask);
2018 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2025 static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2027 struct net_device *ndev = vif->ndev;
2028 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2029 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2030 u8 discvr_offset = 38;
2031 u8 mac_mask[ETH_ALEN];
2034 /* Setup unicast pkt pattern */
2035 memset(mac_mask, 0xff, ETH_ALEN);
2036 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2037 vif->fw_vif_idx, WOW_LIST_ID,
2038 ETH_ALEN, 0, ndev->dev_addr,
2041 ath6kl_err("failed to add WOW unicast pattern\n");
2046 * Setup multicast pattern for mDNS 224.0.0.251,
2047 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2049 if ((ndev->flags & IFF_ALLMULTI) ||
2050 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2051 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2052 vif->fw_vif_idx, WOW_LIST_ID,
2053 sizeof(discvr_pattern), discvr_offset,
2054 discvr_pattern, discvr_mask);
2056 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2064 static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2066 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2069 static bool is_ctrl_ep_empty(struct ath6kl *ar)
2071 return !ar->tx_pending[ar->ctrl_ep];
2074 static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2078 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2080 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2081 ATH6KL_HOST_MODE_ASLEEP);
2085 left = wait_event_interruptible_timeout(ar->event_wq,
2086 is_hsleep_mode_procsed(vif),
2089 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2091 } else if (left < 0) {
2092 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2097 if (ar->tx_pending[ar->ctrl_ep]) {
2098 left = wait_event_interruptible_timeout(ar->event_wq,
2099 is_ctrl_ep_empty(ar),
2102 ath6kl_warn("clear wmi ctrl data timeout\n");
2104 } else if (left < 0) {
2105 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2113 static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2114 struct cfg80211_wowlan *wow, u32 *filter)
2116 struct ath6kl *ar = vif->ar;
2117 struct in_device *in_dev;
2118 struct in_ifaddr *ifa;
2121 __be32 ips[MAX_IP_ADDRS];
2124 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2125 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2126 ar->fw_capabilities)) {
2127 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2128 vif->fw_vif_idx, false);
2133 /* Clear existing WOW patterns */
2134 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2135 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2139 * Skip the default WOW pattern configuration
2140 * if the driver receives any WOW patterns from
2144 ret = ath6kl_wow_usr(ar, vif, wow, filter);
2145 else if (vif->nw_type == AP_NETWORK)
2146 ret = ath6kl_wow_ap(ar, vif);
2148 ret = ath6kl_wow_sta(ar, vif);
2153 netif_stop_queue(vif->ndev);
2155 if (vif->nw_type != AP_NETWORK) {
2156 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2157 ATH6KL_MAX_WOW_LISTEN_INTL,
2162 /* Set listen interval x 15 times as bmiss time */
2163 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2164 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2165 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2167 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2172 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2173 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2179 /* Setup own IP addr for ARP agent. */
2180 in_dev = __in_dev_get_rtnl(vif->ndev);
2184 ifa = in_dev->ifa_list;
2185 memset(&ips, 0, sizeof(ips));
2187 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2188 while (index < MAX_IP_ADDRS && ifa) {
2189 ips[index] = ifa->ifa_local;
2190 ifa = ifa->ifa_next;
2195 ath6kl_err("total IP addr count is exceeding fw limit\n");
2199 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2201 ath6kl_err("fail to setup ip for arp agent\n");
2208 static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2210 struct ath6kl_vif *first_vif, *vif;
2213 bool connected = false;
2215 /* enter / leave wow suspend on first vif always */
2216 first_vif = ath6kl_vif_first(ar);
2217 if (WARN_ON(unlikely(!first_vif)) ||
2218 !ath6kl_cfg80211_ready(first_vif))
2221 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2224 /* install filters for each connected vif */
2225 spin_lock_bh(&ar->list_lock);
2226 list_for_each_entry(vif, &ar->vif_list, list) {
2227 if (!test_bit(CONNECTED, &vif->flags) ||
2228 !ath6kl_cfg80211_ready(vif))
2232 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2236 spin_unlock_bh(&ar->list_lock);
2243 ar->state = ATH6KL_STATE_SUSPENDING;
2245 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
2246 ATH6KL_WOW_MODE_ENABLE,
2248 WOW_HOST_REQ_DELAY);
2252 return ath6kl_cfg80211_host_sleep(ar, first_vif);
2255 static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
2257 struct ath6kl *ar = vif->ar;
2260 if (vif->nw_type != AP_NETWORK) {
2261 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2262 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2266 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2267 vif->listen_intvl_t, 0);
2271 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2272 vif->bmiss_time_t, 0);
2277 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2278 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2279 ar->fw_capabilities)) {
2280 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2281 vif->fw_vif_idx, true);
2286 netif_wake_queue(vif->ndev);
2291 static int ath6kl_wow_resume(struct ath6kl *ar)
2293 struct ath6kl_vif *vif;
2296 vif = ath6kl_vif_first(ar);
2297 if (WARN_ON(unlikely(!vif)) ||
2298 !ath6kl_cfg80211_ready(vif))
2301 ar->state = ATH6KL_STATE_RESUMING;
2303 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2304 ATH6KL_HOST_MODE_AWAKE);
2306 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2311 spin_lock_bh(&ar->list_lock);
2312 list_for_each_entry(vif, &ar->vif_list, list) {
2313 if (!test_bit(CONNECTED, &vif->flags) ||
2314 !ath6kl_cfg80211_ready(vif))
2316 ret = ath6kl_wow_resume_vif(vif);
2320 spin_unlock_bh(&ar->list_lock);
2325 ar->state = ATH6KL_STATE_ON;
2329 ar->state = ATH6KL_STATE_WOW;
2333 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2335 struct ath6kl_vif *vif;
2338 vif = ath6kl_vif_first(ar);
2342 if (!test_bit(WMI_READY, &ar->flag)) {
2343 ath6kl_err("deepsleep failed as wmi is not ready\n");
2347 ath6kl_cfg80211_stop_all(ar);
2349 /* Save the current power mode before enabling power save */
2350 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2352 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2356 /* Disable WOW mode */
2357 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2358 ATH6KL_WOW_MODE_DISABLE,
2363 /* Flush all non control pkts in TX path */
2364 ath6kl_tx_data_cleanup(ar);
2366 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2373 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2375 struct ath6kl_vif *vif;
2378 vif = ath6kl_vif_first(ar);
2383 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2384 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2385 ar->wmi->saved_pwr_mode);
2390 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2391 ATH6KL_HOST_MODE_AWAKE);
2395 ar->state = ATH6KL_STATE_ON;
2397 /* Reset scan parameter to default values */
2398 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2399 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2406 int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2407 enum ath6kl_cfg_suspend_mode mode,
2408 struct cfg80211_wowlan *wow)
2410 struct ath6kl_vif *vif;
2411 enum ath6kl_state prev_state;
2415 case ATH6KL_CFG_SUSPEND_WOW:
2417 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2419 /* Flush all non control pkts in TX path */
2420 ath6kl_tx_data_cleanup(ar);
2422 prev_state = ar->state;
2424 ret = ath6kl_wow_suspend(ar, wow);
2426 ar->state = prev_state;
2430 ar->state = ATH6KL_STATE_WOW;
2433 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2435 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
2437 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
2439 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2443 ar->state = ATH6KL_STATE_DEEPSLEEP;
2447 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2449 ath6kl_cfg80211_stop_all(ar);
2451 if (ar->state == ATH6KL_STATE_OFF) {
2452 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2453 "suspend hw off, no action for cutpower\n");
2457 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2459 ret = ath6kl_init_hw_stop(ar);
2461 ath6kl_warn("failed to stop hw during suspend: %d\n",
2465 ar->state = ATH6KL_STATE_CUTPOWER;
2473 list_for_each_entry(vif, &ar->vif_list, list)
2474 ath6kl_cfg80211_scan_complete_event(vif, true);
2478 EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2480 int ath6kl_cfg80211_resume(struct ath6kl *ar)
2484 switch (ar->state) {
2485 case ATH6KL_STATE_WOW:
2486 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2488 ret = ath6kl_wow_resume(ar);
2490 ath6kl_warn("wow mode resume failed: %d\n", ret);
2496 case ATH6KL_STATE_DEEPSLEEP:
2497 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
2499 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2501 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2506 case ATH6KL_STATE_CUTPOWER:
2507 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2509 ret = ath6kl_init_hw_start(ar);
2511 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2522 EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2526 /* hif layer decides what suspend mode to use */
2527 static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2528 struct cfg80211_wowlan *wow)
2530 struct ath6kl *ar = wiphy_priv(wiphy);
2532 ath6kl_recovery_suspend(ar);
2534 return ath6kl_hif_suspend(ar, wow);
2537 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2539 struct ath6kl *ar = wiphy_priv(wiphy);
2542 err = ath6kl_hif_resume(ar);
2546 ath6kl_recovery_resume(ar);
2552 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2553 * both sdio irq wake up and keep power. The target pulls sdio data line to
2554 * wake up the host when WOW pattern matches. This causes sdio irq handler
2555 * is being called in the host side which internally hits ath6kl's RX path.
2557 * Since sdio interrupt is not disabled, RX path executes even before
2558 * the host executes the actual resume operation from PM module.
2560 * In the current scenario, WOW resume should happen before start processing
2561 * any data from the target. So It's required to perform WOW resume in RX path.
2562 * Ideally we should perform WOW resume only in the actual platform
2563 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2565 * ath6kl_check_wow_status() is called from ath6kl_rx().
2567 void ath6kl_check_wow_status(struct ath6kl *ar)
2569 if (ar->state == ATH6KL_STATE_SUSPENDING)
2572 if (ar->state == ATH6KL_STATE_WOW)
2573 ath6kl_cfg80211_resume(ar);
2578 void ath6kl_check_wow_status(struct ath6kl *ar)
2583 static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2586 struct ath6kl_htcap *htcap = &vif->htcap[band];
2588 if (htcap->ht_enable == ht_enable)
2592 /* Set default ht capabilities */
2593 htcap->ht_enable = true;
2594 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2595 ath6kl_g_htcap : ath6kl_a_htcap;
2596 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2597 } else /* Disable ht */
2598 memset(htcap, 0, sizeof(*htcap));
2600 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2604 static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2606 struct wiphy *wiphy = vif->ar->wiphy;
2609 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2610 if (!wiphy->bands[band])
2613 ret = ath6kl_set_htcap(vif, band,
2614 wiphy->bands[band]->ht_cap.ht_supported);
2622 static bool ath6kl_is_p2p_ie(const u8 *pos)
2624 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2625 pos[2] == 0x50 && pos[3] == 0x6f &&
2626 pos[4] == 0x9a && pos[5] == 0x09;
2629 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2630 const u8 *ies, size_t ies_len)
2632 struct ath6kl *ar = vif->ar;
2639 * Filter out P2P IE(s) since they will be included depending on
2640 * the Probe Request frame in ath6kl_send_go_probe_resp().
2643 if (ies && ies_len) {
2644 buf = kmalloc(ies_len, GFP_KERNEL);
2648 while (pos + 1 < ies + ies_len) {
2649 if (pos + 2 + pos[1] > ies + ies_len)
2651 if (!ath6kl_is_p2p_ie(pos)) {
2652 memcpy(buf + len, pos, 2 + pos[1]);
2659 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2660 WMI_FRAME_PROBE_RESP, buf, len);
2665 static int ath6kl_set_ies(struct ath6kl_vif *vif,
2666 struct cfg80211_beacon_data *info)
2668 struct ath6kl *ar = vif->ar;
2671 /* this also clears IE in fw if it's not set */
2672 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2675 info->beacon_ies_len);
2679 /* this also clears IE in fw if it's not set */
2680 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2681 info->proberesp_ies_len);
2685 /* this also clears IE in fw if it's not set */
2686 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2687 WMI_FRAME_ASSOC_RESP,
2688 info->assocresp_ies,
2689 info->assocresp_ies_len);
2696 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2706 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2710 rsn_ie_len = *(rsn_ie + 1);
2711 /* skip element id and length */
2720 /* skip group cipher suite */
2726 /* skip pairwise cipher suite */
2729 cnt = get_unaligned_le16(rsn_ie);
2730 rsn_ie += (2 + cnt * 4);
2731 rsn_ie_len -= (2 + cnt * 4);
2733 /* skip akm suite */
2736 cnt = get_unaligned_le16(rsn_ie);
2737 rsn_ie += (2 + cnt * 4);
2738 rsn_ie_len -= (2 + cnt * 4);
2743 memcpy(rsn_capab, rsn_ie, 2);
2748 static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2749 struct cfg80211_ap_settings *info)
2751 struct ath6kl *ar = ath6kl_priv(dev);
2752 struct ath6kl_vif *vif = netdev_priv(dev);
2753 struct ieee80211_mgmt *mgmt;
2754 bool hidden = false;
2757 struct wmi_connect_cmd p;
2761 int inactivity_timeout = 0;
2763 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2765 if (!ath6kl_cfg80211_ready(vif))
2768 if (vif->next_mode != AP_NETWORK)
2771 res = ath6kl_set_ies(vif, &info->beacon);
2773 ar->ap_mode_bkey.valid = false;
2775 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2776 info->beacon_interval);
2779 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
2781 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2784 /* ignore error, just print a warning and continue normally */
2786 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2788 if (info->beacon.head == NULL)
2790 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2791 ies = mgmt->u.beacon.variable;
2792 if (ies > info->beacon.head + info->beacon.head_len)
2794 ies_len = info->beacon.head + info->beacon.head_len - ies;
2796 if (info->ssid == NULL)
2798 memcpy(vif->ssid, info->ssid, info->ssid_len);
2799 vif->ssid_len = info->ssid_len;
2800 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2803 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2807 ret = ath6kl_set_auth_type(vif, info->auth_type);
2811 memset(&p, 0, sizeof(p));
2813 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2814 switch (info->crypto.akm_suites[i]) {
2815 case WLAN_AKM_SUITE_8021X:
2816 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2817 p.auth_mode |= WPA_AUTH;
2818 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2819 p.auth_mode |= WPA2_AUTH;
2821 case WLAN_AKM_SUITE_PSK:
2822 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2823 p.auth_mode |= WPA_PSK_AUTH;
2824 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2825 p.auth_mode |= WPA2_PSK_AUTH;
2829 if (p.auth_mode == 0)
2830 p.auth_mode = NONE_AUTH;
2831 vif->auth_mode = p.auth_mode;
2833 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2834 switch (info->crypto.ciphers_pairwise[i]) {
2835 case WLAN_CIPHER_SUITE_WEP40:
2836 case WLAN_CIPHER_SUITE_WEP104:
2837 p.prwise_crypto_type |= WEP_CRYPT;
2839 case WLAN_CIPHER_SUITE_TKIP:
2840 p.prwise_crypto_type |= TKIP_CRYPT;
2842 case WLAN_CIPHER_SUITE_CCMP:
2843 p.prwise_crypto_type |= AES_CRYPT;
2845 case WLAN_CIPHER_SUITE_SMS4:
2846 p.prwise_crypto_type |= WAPI_CRYPT;
2850 if (p.prwise_crypto_type == 0) {
2851 p.prwise_crypto_type = NONE_CRYPT;
2852 ath6kl_set_cipher(vif, 0, true);
2853 } else if (info->crypto.n_ciphers_pairwise == 1)
2854 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
2856 switch (info->crypto.cipher_group) {
2857 case WLAN_CIPHER_SUITE_WEP40:
2858 case WLAN_CIPHER_SUITE_WEP104:
2859 p.grp_crypto_type = WEP_CRYPT;
2861 case WLAN_CIPHER_SUITE_TKIP:
2862 p.grp_crypto_type = TKIP_CRYPT;
2864 case WLAN_CIPHER_SUITE_CCMP:
2865 p.grp_crypto_type = AES_CRYPT;
2867 case WLAN_CIPHER_SUITE_SMS4:
2868 p.grp_crypto_type = WAPI_CRYPT;
2871 p.grp_crypto_type = NONE_CRYPT;
2874 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
2876 p.nw_type = AP_NETWORK;
2877 vif->nw_type = vif->next_mode;
2879 p.ssid_len = vif->ssid_len;
2880 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2881 p.dot11_auth_mode = vif->dot11_auth_mode;
2882 p.ch = cpu_to_le16(info->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) {
2901 inactivity_timeout = info->inactivity_timeout;
2903 if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS)
2904 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2907 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
2908 inactivity_timeout);
2913 if (ath6kl_set_htcap(vif, info->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,
2989 u8 *mac, struct station_parameters *params)
2991 struct ath6kl *ar = ath6kl_priv(dev);
2992 struct ath6kl_vif *vif = netdev_priv(dev);
2994 if (vif->nw_type != AP_NETWORK)
2997 /* Use this only for authorizing/unauthorizing a station */
2998 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
3001 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
3002 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3003 WMI_AP_MLME_AUTHORIZE, mac, 0);
3004 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3005 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
3008 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
3009 struct wireless_dev *wdev,
3010 struct ieee80211_channel *chan,
3011 unsigned int duration,
3014 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3015 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3018 /* TODO: if already pending or ongoing remain-on-channel,
3020 id = ++vif->last_roc_id;
3022 /* Do not use 0 as the cookie value */
3023 id = ++vif->last_roc_id;
3027 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3028 chan->center_freq, duration);
3031 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
3032 struct wireless_dev *wdev,
3035 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3036 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3038 if (cookie != vif->last_roc_id)
3040 vif->last_cancel_roc_id = cookie;
3042 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
3045 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3046 const u8 *buf, size_t len,
3049 struct ath6kl *ar = vif->ar;
3054 const struct ieee80211_mgmt *mgmt;
3056 mgmt = (const struct ieee80211_mgmt *) buf;
3058 /* Include P2P IE(s) from the frame generated in user space. */
3060 p2p = kmalloc(len, GFP_KERNEL);
3065 pos = mgmt->u.probe_resp.variable;
3066 while (pos + 1 < buf + len) {
3067 if (pos + 2 + pos[1] > buf + len)
3069 if (ath6kl_is_p2p_ie(pos)) {
3070 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3071 p2p_len += 2 + pos[1];
3076 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3077 mgmt->da, p2p, p2p_len);
3082 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3091 struct ieee80211_mgmt *mgmt;
3092 struct ath6kl_sta *conn;
3093 bool is_psq_empty = false;
3094 struct ath6kl_mgmt_buff *mgmt_buf;
3095 size_t mgmt_buf_size;
3096 struct ath6kl *ar = vif->ar;
3098 mgmt = (struct ieee80211_mgmt *) buf;
3099 if (is_multicast_ether_addr(mgmt->da))
3102 conn = ath6kl_find_sta(vif, mgmt->da);
3106 if (conn->sta_flags & STA_PS_SLEEP) {
3107 if (!(conn->sta_flags & STA_PS_POLLED)) {
3108 /* Queue the frames if the STA is sleeping */
3109 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3110 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3114 INIT_LIST_HEAD(&mgmt_buf->list);
3116 mgmt_buf->freq = freq;
3117 mgmt_buf->wait = wait;
3118 mgmt_buf->len = len;
3119 mgmt_buf->no_cck = no_cck;
3120 memcpy(mgmt_buf->buf, buf, len);
3121 spin_lock_bh(&conn->psq_lock);
3122 is_psq_empty = skb_queue_empty(&conn->psq) &&
3123 (conn->mgmt_psq_len == 0);
3124 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3125 conn->mgmt_psq_len++;
3126 spin_unlock_bh(&conn->psq_lock);
3129 * If this is the first pkt getting queued
3130 * for this STA, update the PVB for this
3134 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3140 * This tx is because of a PsPoll.
3141 * Determine if MoreData bit has to be set.
3143 spin_lock_bh(&conn->psq_lock);
3144 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3146 spin_unlock_bh(&conn->psq_lock);
3152 /* Check if SSID length is greater than DIRECT- */
3153 static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3155 const struct ieee80211_mgmt *mgmt;
3156 mgmt = (const struct ieee80211_mgmt *) buf;
3158 /* variable[1] contains the SSID tag length */
3159 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3160 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3167 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3168 struct ieee80211_channel *chan, bool offchan,
3169 unsigned int wait, const u8 *buf, size_t len,
3170 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
3172 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3173 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3175 const struct ieee80211_mgmt *mgmt;
3176 bool more_data, queued;
3178 mgmt = (const struct ieee80211_mgmt *) buf;
3179 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3180 ieee80211_is_probe_resp(mgmt->frame_control) &&
3181 ath6kl_is_p2p_go_ssid(buf, len)) {
3183 * Send Probe Response frame in GO mode using a separate WMI
3184 * command to allow the target to fill in the generic IEs.
3186 *cookie = 0; /* TX status not supported */
3187 return ath6kl_send_go_probe_resp(vif, buf, len,
3191 id = vif->send_action_id++;
3194 * 0 is a reserved value in the WMI command and shall not be
3195 * used for the command.
3197 id = vif->send_action_id++;
3202 /* AP mode Power saving processing */
3203 if (vif->nw_type == AP_NETWORK) {
3204 queued = ath6kl_mgmt_powersave_ap(vif,
3205 id, chan->center_freq,
3207 len, &more_data, no_cck);
3212 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,
3213 chan->center_freq, wait,
3217 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3218 struct wireless_dev *wdev,
3219 u16 frame_type, bool reg)
3221 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3223 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3224 __func__, frame_type, reg);
3225 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3227 * Note: This notification callback is not allowed to sleep, so
3228 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3229 * hardcode target to report Probe Request frames all the time.
3231 vif->probe_req_report = reg;
3235 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3236 struct net_device *dev,
3237 struct cfg80211_sched_scan_request *request)
3239 struct ath6kl *ar = ath6kl_priv(dev);
3240 struct ath6kl_vif *vif = netdev_priv(dev);
3242 int ret, rssi_thold;
3244 if (ar->state != ATH6KL_STATE_ON)
3247 if (vif->sme_state != SME_DISCONNECTED)
3250 ath6kl_cfg80211_scan_complete_event(vif, true);
3252 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3254 request->match_sets,
3255 request->n_match_sets);
3259 if (!request->n_match_sets) {
3260 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3265 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3266 MATCHED_SSID_FILTER, 0);
3271 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3272 ar->fw_capabilities)) {
3273 if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
3275 else if (request->rssi_thold < -127)
3278 rssi_thold = request->rssi_thold;
3280 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3283 ath6kl_err("failed to set RSSI threshold for scan\n");
3288 /* fw uses seconds, also make sure that it's >0 */
3289 interval = max_t(u16, 1, request->interval / 1000);
3291 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3293 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3295 /* this also clears IE in fw if it's not set */
3296 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3297 WMI_FRAME_PROBE_REQ,
3298 request->ie, request->ie_len);
3300 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3305 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3309 set_bit(SCHED_SCANNING, &vif->flags);
3314 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3315 struct net_device *dev)
3317 struct ath6kl_vif *vif = netdev_priv(dev);
3320 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3328 static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3329 struct net_device *dev,
3331 const struct cfg80211_bitrate_mask *mask)
3333 struct ath6kl *ar = ath6kl_priv(dev);
3334 struct ath6kl_vif *vif = netdev_priv(dev);
3336 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3340 static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3341 struct net_device *dev,
3342 u32 rate, u32 pkts, u32 intvl)
3344 struct ath6kl *ar = ath6kl_priv(dev);
3345 struct ath6kl_vif *vif = netdev_priv(dev);
3347 if (vif->nw_type != INFRA_NETWORK ||
3348 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3351 if (vif->sme_state != SME_CONNECTED)
3354 /* save this since the firmware won't report the interval */
3355 vif->txe_intvl = intvl;
3357 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3361 static const struct ieee80211_txrx_stypes
3362 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3363 [NL80211_IFTYPE_STATION] = {
3364 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3365 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3366 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3367 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3369 [NL80211_IFTYPE_AP] = {
3370 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3371 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3372 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3373 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3375 [NL80211_IFTYPE_P2P_CLIENT] = {
3376 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3377 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3378 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3379 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3381 [NL80211_IFTYPE_P2P_GO] = {
3382 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3383 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3384 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3385 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3389 static struct cfg80211_ops ath6kl_cfg80211_ops = {
3390 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3391 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3392 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3393 .scan = ath6kl_cfg80211_scan,
3394 .connect = ath6kl_cfg80211_connect,
3395 .disconnect = ath6kl_cfg80211_disconnect,
3396 .add_key = ath6kl_cfg80211_add_key,
3397 .get_key = ath6kl_cfg80211_get_key,
3398 .del_key = ath6kl_cfg80211_del_key,
3399 .set_default_key = ath6kl_cfg80211_set_default_key,
3400 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3401 .set_tx_power = ath6kl_cfg80211_set_txpower,
3402 .get_tx_power = ath6kl_cfg80211_get_txpower,
3403 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3404 .join_ibss = ath6kl_cfg80211_join_ibss,
3405 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3406 .get_station = ath6kl_get_station,
3407 .set_pmksa = ath6kl_set_pmksa,
3408 .del_pmksa = ath6kl_del_pmksa,
3409 .flush_pmksa = ath6kl_flush_pmksa,
3410 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3412 .suspend = __ath6kl_cfg80211_suspend,
3413 .resume = __ath6kl_cfg80211_resume,
3415 .start_ap = ath6kl_start_ap,
3416 .change_beacon = ath6kl_change_beacon,
3417 .stop_ap = ath6kl_stop_ap,
3418 .del_station = ath6kl_del_station,
3419 .change_station = ath6kl_change_station,
3420 .remain_on_channel = ath6kl_remain_on_channel,
3421 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3422 .mgmt_tx = ath6kl_mgmt_tx,
3423 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3424 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3425 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3426 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
3427 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
3430 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3432 ath6kl_cfg80211_sscan_disable(vif);
3434 switch (vif->sme_state) {
3435 case SME_DISCONNECTED:
3437 case SME_CONNECTING:
3438 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3440 WLAN_STATUS_UNSPECIFIED_FAILURE,
3444 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3448 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3449 (test_bit(CONNECTED, &vif->flags) ||
3450 test_bit(CONNECT_PEND, &vif->flags)))
3451 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3453 vif->sme_state = SME_DISCONNECTED;
3454 clear_bit(CONNECTED, &vif->flags);
3455 clear_bit(CONNECT_PEND, &vif->flags);
3457 /* Stop netdev queues, needed during recovery */
3458 netif_stop_queue(vif->ndev);
3459 netif_carrier_off(vif->ndev);
3461 /* disable scanning */
3462 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3463 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3464 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3465 ath6kl_warn("failed to disable scan during stop\n");
3467 ath6kl_cfg80211_scan_complete_event(vif, true);
3470 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3472 struct ath6kl_vif *vif;
3474 vif = ath6kl_vif_first(ar);
3475 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
3476 /* save the current power mode before enabling power save */
3477 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3479 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3480 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3485 * FIXME: we should take ar->list_lock to protect changes in the
3486 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3489 list_for_each_entry(vif, &ar->vif_list, list)
3490 ath6kl_cfg80211_stop(vif);
3493 static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3494 struct regulatory_request *request)
3496 struct ath6kl *ar = wiphy_priv(wiphy);
3497 u32 rates[IEEE80211_NUM_BANDS];
3500 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
3501 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
3502 request->alpha2[0], request->alpha2[1],
3503 request->intersect ? " intersect" : "",
3504 request->processed ? " processed" : "",
3505 request->initiator, request->user_reg_hint_type);
3507 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
3510 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3512 ath6kl_err("failed to set regdomain: %d\n", ret);
3517 * Firmware will apply the regdomain change only after a scan is
3518 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3522 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3523 if (wiphy->bands[i])
3524 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3527 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3528 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3529 0, NULL, false, rates);
3531 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3537 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3539 vif->aggr_cntxt = aggr_init(vif);
3540 if (!vif->aggr_cntxt) {
3541 ath6kl_err("failed to initialize aggr\n");
3545 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3546 (unsigned long) vif->ndev);
3547 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3548 (unsigned long) vif);
3550 set_bit(WMM_ENABLED, &vif->flags);
3551 spin_lock_init(&vif->if_lock);
3553 INIT_LIST_HEAD(&vif->mc_filter);
3558 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3560 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3563 netif_stop_queue(vif->ndev);
3565 clear_bit(WLAN_ENABLED, &vif->flags);
3568 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3569 test_bit(CONNECT_PEND, &vif->flags);
3570 ath6kl_disconnect(vif);
3571 del_timer(&vif->disconnect_timer);
3574 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3575 (vif->nw_type & AP_NETWORK) ?
3576 bcast_mac : vif->bssid,
3580 if (vif->scan_req) {
3581 cfg80211_scan_done(vif->scan_req, true);
3582 vif->scan_req = NULL;
3585 /* need to clean up enhanced bmiss detection fw state */
3586 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3589 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3591 struct ath6kl *ar = vif->ar;
3592 struct ath6kl_mc_filter *mc_filter, *tmp;
3594 aggr_module_destroy(vif->aggr_cntxt);
3596 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3598 if (vif->nw_type == ADHOC_NETWORK)
3599 ar->ibss_if_active = false;
3601 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3602 list_del(&mc_filter->list);
3606 unregister_netdevice(vif->ndev);
3611 struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
3612 enum nl80211_iftype type,
3613 u8 fw_vif_idx, u8 nw_type)
3615 struct net_device *ndev;
3616 struct ath6kl_vif *vif;
3618 ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
3622 vif = netdev_priv(ndev);
3623 ndev->ieee80211_ptr = &vif->wdev;
3624 vif->wdev.wiphy = ar->wiphy;
3627 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3628 vif->wdev.netdev = ndev;
3629 vif->wdev.iftype = type;
3630 vif->fw_vif_idx = fw_vif_idx;
3631 vif->nw_type = nw_type;
3632 vif->next_mode = nw_type;
3633 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3634 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3635 vif->bg_scan_period = 0;
3636 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3637 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
3639 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3640 if (fw_vif_idx != 0) {
3641 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3643 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3644 ar->fw_capabilities))
3645 ndev->dev_addr[4] ^= 0x80;
3650 ath6kl_init_control_info(vif);
3652 if (ath6kl_cfg80211_vif_init(vif))
3655 if (register_netdevice(ndev))
3658 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3659 vif->sme_state = SME_DISCONNECTED;
3660 set_bit(WLAN_ENABLED, &vif->flags);
3661 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3662 set_bit(NETDEV_REGISTERED, &vif->flags);
3664 if (type == NL80211_IFTYPE_ADHOC)
3665 ar->ibss_if_active = true;
3667 spin_lock_bh(&ar->list_lock);
3668 list_add_tail(&vif->list, &ar->vif_list);
3669 spin_unlock_bh(&ar->list_lock);
3674 aggr_module_destroy(vif->aggr_cntxt);
3679 int ath6kl_cfg80211_init(struct ath6kl *ar)
3681 struct wiphy *wiphy = ar->wiphy;
3682 bool band_2gig = false, band_5gig = false, ht = false;
3685 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3687 wiphy->max_remain_on_channel_duration = 5000;
3689 /* set device pointer for wiphy */
3690 set_wiphy_dev(wiphy, ar->dev);
3692 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3693 BIT(NL80211_IFTYPE_ADHOC) |
3694 BIT(NL80211_IFTYPE_AP);
3696 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3697 BIT(NL80211_IFTYPE_P2P_CLIENT);
3700 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
3701 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
3702 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
3703 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3706 /* max num of ssids that can be probed during scanning */
3707 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
3709 /* max num of ssids that can be matched after scan */
3710 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3711 ar->fw_capabilities))
3712 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3714 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3715 switch (ar->hw.cap) {
3733 ath6kl_err("invalid phy capability!\n");
3738 * Even if the fw has HT support, advertise HT cap only when
3739 * the firmware has support to override RSN capability, otherwise
3740 * 4-way handshake would fail.
3743 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3744 ar->fw_capabilities))) {
3745 ath6kl_band_2ghz.ht_cap.cap = 0;
3746 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3747 ath6kl_band_5ghz.ht_cap.cap = 0;
3748 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3751 if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) {
3752 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3753 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3754 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3755 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3757 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3758 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3762 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3764 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3766 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3768 wiphy->cipher_suites = cipher_suites;
3769 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3772 wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
3773 WIPHY_WOWLAN_DISCONNECT |
3774 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3775 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3776 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3777 WIPHY_WOWLAN_4WAY_HANDSHAKE;
3778 wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
3779 wiphy->wowlan.pattern_min_len = 1;
3780 wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
3783 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
3785 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3786 WIPHY_FLAG_HAVE_AP_SME |
3787 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3788 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3790 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
3791 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3793 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3794 ar->fw_capabilities))
3795 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
3797 ar->wiphy->probe_resp_offload =
3798 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3799 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3800 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3802 ret = wiphy_register(wiphy);
3804 ath6kl_err("couldn't register wiphy device\n");
3808 ar->wiphy_registered = true;
3813 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
3815 wiphy_unregister(ar->wiphy);
3817 ar->wiphy_registered = false;
3820 struct ath6kl *ath6kl_cfg80211_create(void)
3823 struct wiphy *wiphy;
3825 /* create a new wiphy for use with cfg80211 */
3826 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3829 ath6kl_err("couldn't allocate wiphy device\n");
3833 ar = wiphy_priv(wiphy);
3839 /* Note: ar variable must not be accessed after calling this! */
3840 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3844 for (i = 0; i < AP_MAX_NUM_STA; i++)
3845 kfree(ar->sta_list[i].aggr_conn);
3847 wiphy_free(ar->wiphy);