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>
23 #include <linux/sched/signal.h>
31 #define RATETAB_ENT(_rate, _rateid, _flags) { \
34 .hw_value = (_rateid), \
37 #define CHAN2G(_channel, _freq, _flags) { \
38 .band = NL80211_BAND_2GHZ, \
39 .hw_value = (_channel), \
40 .center_freq = (_freq), \
42 .max_antenna_gain = 0, \
46 #define CHAN5G(_channel, _flags) { \
47 .band = NL80211_BAND_5GHZ, \
48 .hw_value = (_channel), \
49 .center_freq = 5000 + (5 * (_channel)), \
51 .max_antenna_gain = 0, \
55 #define DEFAULT_BG_SCAN_PERIOD 60
57 struct ath6kl_cfg80211_match_probe_ssid {
58 struct cfg80211_ssid ssid;
62 static struct ieee80211_rate ath6kl_rates[] = {
63 RATETAB_ENT(10, 0x1, 0),
64 RATETAB_ENT(20, 0x2, 0),
65 RATETAB_ENT(55, 0x4, 0),
66 RATETAB_ENT(110, 0x8, 0),
67 RATETAB_ENT(60, 0x10, 0),
68 RATETAB_ENT(90, 0x20, 0),
69 RATETAB_ENT(120, 0x40, 0),
70 RATETAB_ENT(180, 0x80, 0),
71 RATETAB_ENT(240, 0x100, 0),
72 RATETAB_ENT(360, 0x200, 0),
73 RATETAB_ENT(480, 0x400, 0),
74 RATETAB_ENT(540, 0x800, 0),
77 #define ath6kl_a_rates (ath6kl_rates + 4)
78 #define ath6kl_a_rates_size 8
79 #define ath6kl_g_rates (ath6kl_rates + 0)
80 #define ath6kl_g_rates_size 12
82 #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
83 #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
84 IEEE80211_HT_CAP_SGI_20 | \
85 IEEE80211_HT_CAP_SGI_40)
87 static struct ieee80211_channel ath6kl_2ghz_channels[] = {
104 static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
105 CHAN5G(34, 0), CHAN5G(36, 0),
106 CHAN5G(38, 0), CHAN5G(40, 0),
107 CHAN5G(42, 0), CHAN5G(44, 0),
108 CHAN5G(46, 0), CHAN5G(48, 0),
109 CHAN5G(52, 0), CHAN5G(56, 0),
110 CHAN5G(60, 0), CHAN5G(64, 0),
111 CHAN5G(100, 0), CHAN5G(104, 0),
112 CHAN5G(108, 0), CHAN5G(112, 0),
113 CHAN5G(116, 0), CHAN5G(120, 0),
114 CHAN5G(124, 0), CHAN5G(128, 0),
115 CHAN5G(132, 0), CHAN5G(136, 0),
116 CHAN5G(140, 0), CHAN5G(149, 0),
117 CHAN5G(153, 0), CHAN5G(157, 0),
118 CHAN5G(161, 0), CHAN5G(165, 0),
119 CHAN5G(184, 0), CHAN5G(188, 0),
120 CHAN5G(192, 0), CHAN5G(196, 0),
121 CHAN5G(200, 0), CHAN5G(204, 0),
122 CHAN5G(208, 0), CHAN5G(212, 0),
126 static struct ieee80211_supported_band ath6kl_band_2ghz = {
127 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
128 .channels = ath6kl_2ghz_channels,
129 .n_bitrates = ath6kl_g_rates_size,
130 .bitrates = ath6kl_g_rates,
131 .ht_cap.cap = ath6kl_g_htcap,
132 .ht_cap.ht_supported = true,
135 static struct ieee80211_supported_band ath6kl_band_5ghz = {
136 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
137 .channels = ath6kl_5ghz_a_channels,
138 .n_bitrates = ath6kl_a_rates_size,
139 .bitrates = ath6kl_a_rates,
140 .ht_cap.cap = ath6kl_a_htcap,
141 .ht_cap.ht_supported = true,
144 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
146 /* returns true if scheduled scan was stopped */
147 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
149 struct ath6kl *ar = vif->ar;
151 if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
154 del_timer_sync(&vif->sched_scan_timer);
156 if (ar->state == ATH6KL_STATE_RECOVERY)
159 ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
164 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
166 struct ath6kl *ar = vif->ar;
169 stopped = __ath6kl_cfg80211_sscan_stop(vif);
174 cfg80211_sched_scan_stopped(ar->wiphy);
177 static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
178 enum nl80211_wpa_versions wpa_version)
180 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
183 vif->auth_mode = NONE_AUTH;
184 } else if (wpa_version & NL80211_WPA_VERSION_2) {
185 vif->auth_mode = WPA2_AUTH;
186 } else if (wpa_version & NL80211_WPA_VERSION_1) {
187 vif->auth_mode = WPA_AUTH;
189 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
196 static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
197 enum nl80211_auth_type auth_type)
199 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
202 case NL80211_AUTHTYPE_OPEN_SYSTEM:
203 vif->dot11_auth_mode = OPEN_AUTH;
205 case NL80211_AUTHTYPE_SHARED_KEY:
206 vif->dot11_auth_mode = SHARED_AUTH;
208 case NL80211_AUTHTYPE_NETWORK_EAP:
209 vif->dot11_auth_mode = LEAP_AUTH;
212 case NL80211_AUTHTYPE_AUTOMATIC:
213 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
217 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
224 static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
226 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
227 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
228 &vif->grp_crypto_len;
230 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
231 __func__, cipher, ucast);
235 /* our own hack to use value 0 as no crypto used */
236 *ar_cipher = NONE_CRYPT;
239 case WLAN_CIPHER_SUITE_WEP40:
240 *ar_cipher = WEP_CRYPT;
243 case WLAN_CIPHER_SUITE_WEP104:
244 *ar_cipher = WEP_CRYPT;
247 case WLAN_CIPHER_SUITE_TKIP:
248 *ar_cipher = TKIP_CRYPT;
251 case WLAN_CIPHER_SUITE_CCMP:
252 *ar_cipher = AES_CRYPT;
255 case WLAN_CIPHER_SUITE_SMS4:
256 *ar_cipher = WAPI_CRYPT;
260 ath6kl_err("cipher 0x%x not supported\n", cipher);
267 static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
269 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
271 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
272 if (vif->auth_mode == WPA_AUTH)
273 vif->auth_mode = WPA_PSK_AUTH;
274 else if (vif->auth_mode == WPA2_AUTH)
275 vif->auth_mode = WPA2_PSK_AUTH;
276 } else if (key_mgmt == 0x00409600) {
277 if (vif->auth_mode == WPA_AUTH)
278 vif->auth_mode = WPA_AUTH_CCKM;
279 else if (vif->auth_mode == WPA2_AUTH)
280 vif->auth_mode = WPA2_AUTH_CCKM;
281 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
282 vif->auth_mode = NONE_AUTH;
286 static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
288 struct ath6kl *ar = vif->ar;
290 if (!test_bit(WMI_READY, &ar->flag)) {
291 ath6kl_err("wmi is not ready\n");
295 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
296 ath6kl_err("wlan disabled\n");
303 static bool ath6kl_is_wpa_ie(const u8 *pos)
305 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
306 pos[2] == 0x00 && pos[3] == 0x50 &&
307 pos[4] == 0xf2 && pos[5] == 0x01;
310 static bool ath6kl_is_rsn_ie(const u8 *pos)
312 return pos[0] == WLAN_EID_RSN;
315 static bool ath6kl_is_wps_ie(const u8 *pos)
317 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
319 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
323 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
326 struct ath6kl *ar = vif->ar;
333 * Clear previously set flag
336 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
339 * Filter out RSN/WPA IE(s)
342 if (ies && ies_len) {
343 buf = kmalloc(ies_len, GFP_KERNEL);
348 while (pos + 1 < ies + ies_len) {
349 if (pos + 2 + pos[1] > ies + ies_len)
351 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
352 memcpy(buf + len, pos, 2 + pos[1]);
356 if (ath6kl_is_wps_ie(pos))
357 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
363 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
364 WMI_FRAME_ASSOC_REQ, buf, len);
369 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
372 case NL80211_IFTYPE_STATION:
373 case NL80211_IFTYPE_P2P_CLIENT:
374 *nw_type = INFRA_NETWORK;
376 case NL80211_IFTYPE_ADHOC:
377 *nw_type = ADHOC_NETWORK;
379 case NL80211_IFTYPE_AP:
380 case NL80211_IFTYPE_P2P_GO:
381 *nw_type = AP_NETWORK;
384 ath6kl_err("invalid interface type %u\n", type);
391 static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
392 u8 *if_idx, u8 *nw_type)
396 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
399 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
403 if (type == NL80211_IFTYPE_STATION ||
404 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
405 for (i = 0; i < ar->vif_max; i++) {
406 if ((ar->avail_idx_map) & BIT(i)) {
413 if (type == NL80211_IFTYPE_P2P_CLIENT ||
414 type == NL80211_IFTYPE_P2P_GO) {
415 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
416 if ((ar->avail_idx_map) & BIT(i)) {
426 static bool ath6kl_is_tx_pending(struct ath6kl *ar)
428 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
431 static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif,
436 if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag)))
439 if (vif->nw_type != INFRA_NETWORK)
442 if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
443 vif->ar->fw_capabilities))
446 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n",
447 enable ? "enable" : "disable");
449 err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi,
450 vif->fw_vif_idx, enable);
452 ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
453 enable ? "enable" : "disable", err);
456 static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
457 struct cfg80211_connect_params *sme)
459 struct ath6kl *ar = ath6kl_priv(dev);
460 struct ath6kl_vif *vif = netdev_priv(dev);
462 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
465 ath6kl_cfg80211_sscan_disable(vif);
467 vif->sme_state = SME_CONNECTING;
469 if (!ath6kl_cfg80211_ready(vif))
472 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
473 ath6kl_err("destroy in progress\n");
477 if (test_bit(SKIP_SCAN, &ar->flag) &&
478 ((sme->channel && sme->channel->center_freq == 0) ||
479 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
480 ath6kl_err("SkipScan: channel or bssid invalid\n");
484 if (down_interruptible(&ar->sem)) {
485 ath6kl_err("busy, couldn't get access\n");
489 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
490 ath6kl_err("busy, destroy in progress\n");
495 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
497 * sleep until the command queue drains
499 wait_event_interruptible_timeout(ar->event_wq,
500 ath6kl_is_tx_pending(ar),
502 if (signal_pending(current)) {
503 ath6kl_err("cmd queue drain timeout\n");
509 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
515 if (sme->ie == NULL || sme->ie_len == 0)
516 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
518 if (test_bit(CONNECTED, &vif->flags) &&
519 vif->ssid_len == sme->ssid_len &&
520 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
521 vif->reconnect_flag = true;
522 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
528 ath6kl_err("wmi_reconnect_cmd failed\n");
532 } else if (vif->ssid_len == sme->ssid_len &&
533 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
534 ath6kl_disconnect(vif);
537 memset(vif->ssid, 0, sizeof(vif->ssid));
538 vif->ssid_len = sme->ssid_len;
539 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
542 vif->ch_hint = sme->channel->center_freq;
544 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
545 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
546 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
548 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
550 status = ath6kl_set_auth_type(vif, sme->auth_type);
556 if (sme->crypto.n_ciphers_pairwise)
557 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
559 ath6kl_set_cipher(vif, 0, true);
561 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
563 if (sme->crypto.n_akm_suites)
564 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
566 if ((sme->key_len) &&
567 (vif->auth_mode == NONE_AUTH) &&
568 (vif->prwise_crypto == WEP_CRYPT)) {
569 struct ath6kl_key *key = NULL;
571 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
572 ath6kl_err("key index %d out of bounds\n",
578 key = &vif->keys[sme->key_idx];
579 key->key_len = sme->key_len;
580 memcpy(key->key, sme->key, key->key_len);
581 key->cipher = vif->prwise_crypto;
582 vif->def_txkey_index = sme->key_idx;
584 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
586 GROUP_USAGE | TX_USAGE,
589 key->key, KEY_OP_INIT_VAL, NULL,
593 if (!ar->usr_bss_filter) {
594 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
595 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
596 ALL_BSS_FILTER, 0) != 0) {
597 ath6kl_err("couldn't set bss filtering\n");
603 vif->nw_type = vif->next_mode;
605 /* enable enhanced bmiss detection if applicable */
606 ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
608 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
609 nw_subtype = SUBTYPE_P2PCLIENT;
611 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
612 "%s: connect called with authmode %d dot11 auth %d"
613 " PW crypto %d PW crypto len %d GRP crypto %d"
614 " GRP crypto len %d channel hint %u\n",
616 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
617 vif->prwise_crypto_len, vif->grp_crypto,
618 vif->grp_crypto_len, vif->ch_hint);
620 vif->reconnect_flag = 0;
622 if (vif->nw_type == INFRA_NETWORK) {
623 interval = max_t(u16, vif->listen_intvl_t,
624 ATH6KL_MAX_WOW_LISTEN_INTL);
625 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
629 ath6kl_err("couldn't set listen intervel\n");
635 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
636 vif->dot11_auth_mode, vif->auth_mode,
638 vif->prwise_crypto_len,
639 vif->grp_crypto, vif->grp_crypto_len,
640 vif->ssid_len, vif->ssid,
641 vif->req_bssid, vif->ch_hint,
642 ar->connect_ctrl_flags, nw_subtype);
644 if (sme->bg_scan_period == 0) {
645 /* disable background scan if period is 0 */
646 sme->bg_scan_period = 0xffff;
647 } else if (sme->bg_scan_period == -1) {
648 /* configure default value if not specified */
649 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
652 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0,
653 sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
657 if (status == -EINVAL) {
658 memset(vif->ssid, 0, sizeof(vif->ssid));
660 ath6kl_err("invalid request\n");
663 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
667 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
668 ((vif->auth_mode == WPA_PSK_AUTH) ||
669 (vif->auth_mode == WPA2_PSK_AUTH))) {
670 mod_timer(&vif->disconnect_timer,
671 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
674 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
675 set_bit(CONNECT_PEND, &vif->flags);
680 static struct cfg80211_bss *
681 ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
682 enum network_type nw_type,
684 struct ieee80211_channel *chan,
686 size_t beacon_ie_len)
688 struct ath6kl *ar = vif->ar;
689 struct cfg80211_bss *bss;
691 enum ieee80211_bss_type bss_type;
694 if (nw_type & ADHOC_NETWORK) {
695 cap_val = WLAN_CAPABILITY_IBSS;
696 bss_type = IEEE80211_BSS_TYPE_IBSS;
698 cap_val = WLAN_CAPABILITY_ESS;
699 bss_type = IEEE80211_BSS_TYPE_ESS;
702 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
703 vif->ssid, vif->ssid_len,
704 bss_type, IEEE80211_PRIVACY_ANY);
707 * Since cfg80211 may not yet know about the BSS,
708 * generate a partial entry until the first BSS info
709 * event becomes available.
711 * Prepend SSID element since it is not included in the Beacon
712 * IEs from the target.
714 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
717 ie[0] = WLAN_EID_SSID;
718 ie[1] = vif->ssid_len;
719 memcpy(ie + 2, vif->ssid, vif->ssid_len);
720 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
721 bss = cfg80211_inform_bss(ar->wiphy, chan,
722 CFG80211_BSS_FTYPE_UNKNOWN,
723 bssid, 0, cap_val, 100,
724 ie, 2 + vif->ssid_len + beacon_ie_len,
727 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
728 "added bss %pM to cfg80211\n", bssid);
731 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
737 void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
738 u8 *bssid, u16 listen_intvl,
740 enum network_type nw_type,
741 u8 beacon_ie_len, u8 assoc_req_len,
742 u8 assoc_resp_len, u8 *assoc_info)
744 struct ieee80211_channel *chan;
745 struct ath6kl *ar = vif->ar;
746 struct cfg80211_bss *bss;
748 /* capinfo + listen interval */
749 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
751 /* capinfo + status code + associd */
752 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
754 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
755 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
756 assoc_resp_ie_offset;
758 assoc_req_len -= assoc_req_ie_offset;
759 assoc_resp_len -= assoc_resp_ie_offset;
762 * Store Beacon interval here; DTIM period will be available only once
763 * a Beacon frame from the AP is seen.
765 vif->assoc_bss_beacon_int = beacon_intvl;
766 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
768 if (nw_type & ADHOC_NETWORK) {
769 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
770 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
771 "%s: ath6k not in ibss mode\n", __func__);
776 if (nw_type & INFRA_NETWORK) {
777 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
778 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
779 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
780 "%s: ath6k not in station mode\n", __func__);
785 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
787 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
788 assoc_info, beacon_ie_len);
790 ath6kl_err("could not add cfg80211 bss entry\n");
794 if (nw_type & ADHOC_NETWORK) {
795 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
796 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
797 cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL);
798 cfg80211_put_bss(ar->wiphy, bss);
802 if (vif->sme_state == SME_CONNECTING) {
803 /* inform connect result to cfg80211 */
804 vif->sme_state = SME_CONNECTED;
805 cfg80211_connect_result(vif->ndev, bssid,
806 assoc_req_ie, assoc_req_len,
807 assoc_resp_ie, assoc_resp_len,
808 WLAN_STATUS_SUCCESS, GFP_KERNEL);
809 cfg80211_put_bss(ar->wiphy, bss);
810 } else if (vif->sme_state == SME_CONNECTED) {
811 /* inform roam event to cfg80211 */
812 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
813 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
817 static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
818 struct net_device *dev, u16 reason_code)
820 struct ath6kl *ar = ath6kl_priv(dev);
821 struct ath6kl_vif *vif = netdev_priv(dev);
823 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
826 ath6kl_cfg80211_sscan_disable(vif);
828 if (!ath6kl_cfg80211_ready(vif))
831 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
832 ath6kl_err("busy, destroy in progress\n");
836 if (down_interruptible(&ar->sem)) {
837 ath6kl_err("busy, couldn't get access\n");
841 vif->reconnect_flag = 0;
842 ath6kl_disconnect(vif);
843 memset(vif->ssid, 0, sizeof(vif->ssid));
846 if (!test_bit(SKIP_SCAN, &ar->flag))
847 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
854 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
855 u8 *bssid, u8 assoc_resp_len,
856 u8 *assoc_info, u16 proto_reason)
858 struct ath6kl *ar = vif->ar;
861 struct cfg80211_scan_info info = {
865 cfg80211_scan_done(vif->scan_req, &info);
866 vif->scan_req = NULL;
869 if (vif->nw_type & ADHOC_NETWORK) {
870 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC)
871 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
872 "%s: ath6k not in ibss mode\n", __func__);
876 if (vif->nw_type & INFRA_NETWORK) {
877 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
878 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
879 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
880 "%s: ath6k not in station mode\n", __func__);
885 clear_bit(CONNECT_PEND, &vif->flags);
887 if (vif->sme_state == SME_CONNECTING) {
888 cfg80211_connect_result(vif->ndev,
891 WLAN_STATUS_UNSPECIFIED_FAILURE,
893 } else if (vif->sme_state == SME_CONNECTED) {
894 cfg80211_disconnected(vif->ndev, proto_reason,
895 NULL, 0, false, GFP_KERNEL);
898 vif->sme_state = SME_DISCONNECTED;
901 * Send a disconnect command to target when a disconnect event is
902 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
903 * request from host) to make the firmware stop trying to connect even
904 * after giving disconnect event. There will be one more disconnect
905 * event for this disconnect command with reason code DISCONNECT_CMD
906 * which won't be notified to cfg80211.
908 if (reason != DISCONNECT_CMD)
909 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
912 static int ath6kl_set_probed_ssids(struct ath6kl *ar,
913 struct ath6kl_vif *vif,
914 struct cfg80211_ssid *ssids, int n_ssids,
915 struct cfg80211_match_set *match_set,
918 u8 i, j, index_to_add, ssid_found = false;
919 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
921 memset(ssid_list, 0, sizeof(ssid_list));
923 if (n_ssids > MAX_PROBED_SSIDS ||
924 n_match_ssid > MAX_PROBED_SSIDS)
927 for (i = 0; i < n_ssids; i++) {
928 memcpy(ssid_list[i].ssid.ssid,
931 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
933 if (ssids[i].ssid_len)
934 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
936 ssid_list[i].flag = ANY_SSID_FLAG;
938 if (n_match_ssid == 0)
939 ssid_list[i].flag |= MATCH_SSID_FLAG;
944 for (i = 0; i < n_match_ssid; i++) {
947 for (j = 0; j < n_ssids; j++) {
948 if ((match_set[i].ssid.ssid_len ==
949 ssid_list[j].ssid.ssid_len) &&
950 (!memcmp(ssid_list[j].ssid.ssid,
951 match_set[i].ssid.ssid,
952 match_set[i].ssid.ssid_len))) {
953 ssid_list[j].flag |= MATCH_SSID_FLAG;
962 if (index_to_add >= MAX_PROBED_SSIDS)
965 ssid_list[index_to_add].ssid.ssid_len =
966 match_set[i].ssid.ssid_len;
967 memcpy(ssid_list[index_to_add].ssid.ssid,
968 match_set[i].ssid.ssid,
969 match_set[i].ssid.ssid_len);
970 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
974 for (i = 0; i < index_to_add; i++) {
975 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
977 ssid_list[i].ssid.ssid_len,
978 ssid_list[i].ssid.ssid);
981 /* Make sure no old entries are left behind */
982 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
983 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
984 DISABLE_SSID_FLAG, 0, NULL);
990 static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
991 struct cfg80211_scan_request *request)
993 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
994 struct ath6kl *ar = ath6kl_priv(vif->ndev);
996 u16 *channels = NULL;
998 u32 force_fg_scan = 0;
1000 if (!ath6kl_cfg80211_ready(vif))
1003 ath6kl_cfg80211_sscan_disable(vif);
1005 if (!ar->usr_bss_filter) {
1006 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1007 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1010 ath6kl_err("couldn't set bss filtering\n");
1015 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
1016 request->n_ssids, NULL, 0);
1020 /* this also clears IE in fw if it's not set */
1021 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1022 WMI_FRAME_PROBE_REQ,
1023 request->ie, request->ie_len);
1025 ath6kl_err("failed to set Probe Request appie for scan\n");
1030 * Scan only the requested channels if the request specifies a set of
1031 * channels. If the list is longer than the target supports, do not
1032 * configure the list and instead, scan all available channels.
1034 if (request->n_channels > 0 &&
1035 request->n_channels <= WMI_MAX_CHANNELS) {
1038 n_channels = request->n_channels;
1040 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1041 if (channels == NULL) {
1042 ath6kl_warn("failed to set scan channels, scan all channels");
1046 for (i = 0; i < n_channels; i++)
1047 channels[i] = request->channels[i]->center_freq;
1050 if (test_bit(CONNECTED, &vif->flags))
1053 vif->scan_req = request;
1055 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1056 WMI_LONG_SCAN, force_fg_scan,
1058 ATH6KL_FG_SCAN_INTERVAL,
1059 n_channels, channels,
1063 ath6kl_err("failed to start scan: %d\n", ret);
1064 vif->scan_req = NULL;
1072 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1074 struct ath6kl *ar = vif->ar;
1075 struct cfg80211_scan_info info = {
1080 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1081 aborted ? " aborted" : "");
1089 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1090 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1091 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1092 i + 1, DISABLE_SSID_FLAG,
1098 cfg80211_scan_done(vif->scan_req, &info);
1099 vif->scan_req = NULL;
1102 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1103 enum wmi_phy_mode mode)
1105 struct cfg80211_chan_def chandef;
1107 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1108 "channel switch notify nw_type %d freq %d mode %d\n",
1109 vif->nw_type, freq, mode);
1111 cfg80211_chandef_create(&chandef,
1112 ieee80211_get_channel(vif->ar->wiphy, freq),
1113 (mode == WMI_11G_HT20 &&
1114 ath6kl_band_2ghz.ht_cap.ht_supported) ?
1115 NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT);
1117 mutex_lock(&vif->wdev.mtx);
1118 cfg80211_ch_switch_notify(vif->ndev, &chandef);
1119 mutex_unlock(&vif->wdev.mtx);
1122 static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1123 u8 key_index, bool pairwise,
1125 struct key_params *params)
1127 struct ath6kl *ar = ath6kl_priv(ndev);
1128 struct ath6kl_vif *vif = netdev_priv(ndev);
1129 struct ath6kl_key *key = NULL;
1134 if (!ath6kl_cfg80211_ready(vif))
1137 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1138 if (params->key_len != WMI_KRK_LEN)
1140 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1144 if (key_index > WMI_MAX_KEY_INDEX) {
1145 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1146 "%s: key index %d out of bounds\n", __func__,
1151 key = &vif->keys[key_index];
1152 memset(key, 0, sizeof(struct ath6kl_key));
1155 key_usage = PAIRWISE_USAGE;
1157 key_usage = GROUP_USAGE;
1159 seq_len = params->seq_len;
1160 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1161 seq_len > ATH6KL_KEY_SEQ_LEN) {
1162 /* Only first half of the WPI PN is configured */
1163 seq_len = ATH6KL_KEY_SEQ_LEN;
1165 if (params->key_len > WLAN_MAX_KEY_LEN ||
1166 seq_len > sizeof(key->seq))
1169 key->key_len = params->key_len;
1170 memcpy(key->key, params->key, key->key_len);
1171 key->seq_len = seq_len;
1172 memcpy(key->seq, params->seq, key->seq_len);
1173 key->cipher = params->cipher;
1175 switch (key->cipher) {
1176 case WLAN_CIPHER_SUITE_WEP40:
1177 case WLAN_CIPHER_SUITE_WEP104:
1178 key_type = WEP_CRYPT;
1181 case WLAN_CIPHER_SUITE_TKIP:
1182 key_type = TKIP_CRYPT;
1185 case WLAN_CIPHER_SUITE_CCMP:
1186 key_type = AES_CRYPT;
1188 case WLAN_CIPHER_SUITE_SMS4:
1189 key_type = WAPI_CRYPT;
1196 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1197 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1198 (key_usage & GROUP_USAGE))
1199 del_timer(&vif->disconnect_timer);
1201 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1202 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1203 __func__, key_index, key->key_len, key_type,
1204 key_usage, key->seq_len);
1206 if (vif->nw_type == AP_NETWORK && !pairwise &&
1207 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1208 key_type == WAPI_CRYPT)) {
1209 ar->ap_mode_bkey.valid = true;
1210 ar->ap_mode_bkey.key_index = key_index;
1211 ar->ap_mode_bkey.key_type = key_type;
1212 ar->ap_mode_bkey.key_len = key->key_len;
1213 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1214 if (!test_bit(CONNECTED, &vif->flags)) {
1215 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1216 "Delay initial group key configuration until AP mode has been started\n");
1218 * The key will be set in ath6kl_connect_ap_mode() once
1219 * the connected event is received from the target.
1225 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1226 !test_bit(CONNECTED, &vif->flags)) {
1228 * Store the key locally so that it can be re-configured after
1229 * the AP mode has properly started
1230 * (ath6kl_install_statioc_wep_keys).
1232 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1233 "Delay WEP key configuration until AP mode has been started\n");
1234 vif->wep_key_list[key_index].key_len = key->key_len;
1235 memcpy(vif->wep_key_list[key_index].key, key->key,
1240 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1241 key_type, key_usage, key->key_len,
1242 key->seq, key->seq_len, key->key,
1244 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1247 static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1248 u8 key_index, bool pairwise,
1251 struct ath6kl *ar = ath6kl_priv(ndev);
1252 struct ath6kl_vif *vif = netdev_priv(ndev);
1254 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1256 if (!ath6kl_cfg80211_ready(vif))
1259 if (key_index > WMI_MAX_KEY_INDEX) {
1260 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1261 "%s: key index %d out of bounds\n", __func__,
1266 if (!vif->keys[key_index].key_len) {
1267 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1268 "%s: index %d is empty\n", __func__, key_index);
1272 vif->keys[key_index].key_len = 0;
1274 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1277 static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1278 u8 key_index, bool pairwise,
1279 const u8 *mac_addr, void *cookie,
1280 void (*callback) (void *cookie,
1281 struct key_params *))
1283 struct ath6kl_vif *vif = netdev_priv(ndev);
1284 struct ath6kl_key *key = NULL;
1285 struct key_params params;
1287 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1289 if (!ath6kl_cfg80211_ready(vif))
1292 if (key_index > WMI_MAX_KEY_INDEX) {
1293 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1294 "%s: key index %d out of bounds\n", __func__,
1299 key = &vif->keys[key_index];
1300 memset(¶ms, 0, sizeof(params));
1301 params.cipher = key->cipher;
1302 params.key_len = key->key_len;
1303 params.seq_len = key->seq_len;
1304 params.seq = key->seq;
1305 params.key = key->key;
1307 callback(cookie, ¶ms);
1309 return key->key_len ? 0 : -ENOENT;
1312 static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1313 struct net_device *ndev,
1314 u8 key_index, bool unicast,
1317 struct ath6kl *ar = ath6kl_priv(ndev);
1318 struct ath6kl_vif *vif = netdev_priv(ndev);
1319 struct ath6kl_key *key = NULL;
1321 enum crypto_type key_type = NONE_CRYPT;
1323 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1325 if (!ath6kl_cfg80211_ready(vif))
1328 if (key_index > WMI_MAX_KEY_INDEX) {
1329 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1330 "%s: key index %d out of bounds\n",
1331 __func__, key_index);
1335 if (!vif->keys[key_index].key_len) {
1336 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1337 __func__, key_index);
1341 vif->def_txkey_index = key_index;
1342 key = &vif->keys[vif->def_txkey_index];
1343 key_usage = GROUP_USAGE;
1344 if (vif->prwise_crypto == WEP_CRYPT)
1345 key_usage |= TX_USAGE;
1347 key_type = vif->prwise_crypto;
1349 key_type = vif->grp_crypto;
1351 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1352 return 0; /* Delay until AP mode has been started */
1354 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1355 vif->def_txkey_index,
1356 key_type, key_usage,
1357 key->key_len, key->seq, key->seq_len,
1359 KEY_OP_INIT_VAL, NULL,
1363 void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1366 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1367 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1369 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1370 (ismcast ? NL80211_KEYTYPE_GROUP :
1371 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1375 static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1377 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1378 struct ath6kl_vif *vif;
1381 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1384 vif = ath6kl_vif_first(ar);
1388 if (!ath6kl_cfg80211_ready(vif))
1391 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1392 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1394 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1402 static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1403 struct wireless_dev *wdev,
1404 enum nl80211_tx_power_setting type,
1407 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1408 struct ath6kl_vif *vif;
1409 int dbm = MBM_TO_DBM(mbm);
1411 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1414 vif = ath6kl_vif_first(ar);
1418 if (!ath6kl_cfg80211_ready(vif))
1422 case NL80211_TX_POWER_AUTOMATIC:
1424 case NL80211_TX_POWER_LIMITED:
1428 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1433 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
1438 static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy,
1439 struct wireless_dev *wdev,
1442 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1443 struct ath6kl_vif *vif;
1445 vif = ath6kl_vif_first(ar);
1449 if (!ath6kl_cfg80211_ready(vif))
1452 if (test_bit(CONNECTED, &vif->flags)) {
1455 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1456 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1460 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 255,
1463 if (signal_pending(current)) {
1464 ath6kl_err("target did not respond\n");
1473 static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1474 struct net_device *dev,
1475 bool pmgmt, int timeout)
1477 struct ath6kl *ar = ath6kl_priv(dev);
1478 struct wmi_power_mode_cmd mode;
1479 struct ath6kl_vif *vif = netdev_priv(dev);
1481 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1482 __func__, pmgmt, timeout);
1484 if (!ath6kl_cfg80211_ready(vif))
1488 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1489 mode.pwr_mode = REC_POWER;
1491 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1492 mode.pwr_mode = MAX_PERF_POWER;
1495 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1496 mode.pwr_mode) != 0) {
1497 ath6kl_err("wmi_powermode_cmd failed\n");
1504 static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1506 unsigned char name_assign_type,
1507 enum nl80211_iftype type,
1509 struct vif_params *params)
1511 struct ath6kl *ar = wiphy_priv(wiphy);
1512 struct wireless_dev *wdev;
1515 if (ar->num_vif == ar->vif_max) {
1516 ath6kl_err("Reached maximum number of supported vif\n");
1517 return ERR_PTR(-EINVAL);
1520 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1521 ath6kl_err("Not a supported interface type\n");
1522 return ERR_PTR(-EINVAL);
1525 wdev = ath6kl_interface_add(ar, name, name_assign_type, type, if_idx, nw_type);
1527 return ERR_PTR(-ENOMEM);
1534 static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1535 struct wireless_dev *wdev)
1537 struct ath6kl *ar = wiphy_priv(wiphy);
1538 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
1540 spin_lock_bh(&ar->list_lock);
1541 list_del(&vif->list);
1542 spin_unlock_bh(&ar->list_lock);
1544 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
1547 ath6kl_cfg80211_vif_cleanup(vif);
1553 static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1554 struct net_device *ndev,
1555 enum nl80211_iftype type, u32 *flags,
1556 struct vif_params *params)
1558 struct ath6kl_vif *vif = netdev_priv(ndev);
1561 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1564 * Don't bring up p2p on an interface which is not initialized
1565 * for p2p operation where fw does not have capability to switch
1566 * dynamically between non-p2p and p2p type interface.
1568 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1569 vif->ar->fw_capabilities) &&
1570 (type == NL80211_IFTYPE_P2P_CLIENT ||
1571 type == NL80211_IFTYPE_P2P_GO)) {
1572 if (vif->ar->vif_max == 1) {
1573 if (vif->fw_vif_idx != 0)
1576 goto set_iface_type;
1579 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1580 if (i == vif->fw_vif_idx)
1584 if (i == vif->ar->vif_max) {
1585 ath6kl_err("Invalid interface to bring up P2P\n");
1590 /* need to clean up enhanced bmiss detection fw state */
1591 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1595 case NL80211_IFTYPE_STATION:
1596 case NL80211_IFTYPE_P2P_CLIENT:
1597 vif->next_mode = INFRA_NETWORK;
1599 case NL80211_IFTYPE_ADHOC:
1600 vif->next_mode = ADHOC_NETWORK;
1602 case NL80211_IFTYPE_AP:
1603 case NL80211_IFTYPE_P2P_GO:
1604 vif->next_mode = AP_NETWORK;
1607 ath6kl_err("invalid interface type %u\n", type);
1611 vif->wdev.iftype = type;
1616 static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1617 struct net_device *dev,
1618 struct cfg80211_ibss_params *ibss_param)
1620 struct ath6kl *ar = ath6kl_priv(dev);
1621 struct ath6kl_vif *vif = netdev_priv(dev);
1624 if (!ath6kl_cfg80211_ready(vif))
1627 vif->ssid_len = ibss_param->ssid_len;
1628 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
1630 if (ibss_param->chandef.chan)
1631 vif->ch_hint = ibss_param->chandef.chan->center_freq;
1633 if (ibss_param->channel_fixed) {
1635 * TODO: channel_fixed: The channel should be fixed, do not
1636 * search for IBSSs to join on other channels. Target
1637 * firmware does not support this feature, needs to be
1643 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
1644 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
1645 memcpy(vif->req_bssid, ibss_param->bssid,
1646 sizeof(vif->req_bssid));
1648 ath6kl_set_wpa_version(vif, 0);
1650 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
1654 if (ibss_param->privacy) {
1655 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1656 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
1658 ath6kl_set_cipher(vif, 0, true);
1659 ath6kl_set_cipher(vif, 0, false);
1662 vif->nw_type = vif->next_mode;
1664 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1665 "%s: connect called with authmode %d dot11 auth %d"
1666 " PW crypto %d PW crypto len %d GRP crypto %d"
1667 " GRP crypto len %d channel hint %u\n",
1669 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1670 vif->prwise_crypto_len, vif->grp_crypto,
1671 vif->grp_crypto_len, vif->ch_hint);
1673 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
1674 vif->dot11_auth_mode, vif->auth_mode,
1676 vif->prwise_crypto_len,
1677 vif->grp_crypto, vif->grp_crypto_len,
1678 vif->ssid_len, vif->ssid,
1679 vif->req_bssid, vif->ch_hint,
1680 ar->connect_ctrl_flags, SUBTYPE_NONE);
1681 set_bit(CONNECT_PEND, &vif->flags);
1686 static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1687 struct net_device *dev)
1689 struct ath6kl_vif *vif = netdev_priv(dev);
1691 if (!ath6kl_cfg80211_ready(vif))
1694 ath6kl_disconnect(vif);
1695 memset(vif->ssid, 0, sizeof(vif->ssid));
1701 static const u32 cipher_suites[] = {
1702 WLAN_CIPHER_SUITE_WEP40,
1703 WLAN_CIPHER_SUITE_WEP104,
1704 WLAN_CIPHER_SUITE_TKIP,
1705 WLAN_CIPHER_SUITE_CCMP,
1706 CCKM_KRK_CIPHER_SUITE,
1707 WLAN_CIPHER_SUITE_SMS4,
1710 static bool is_rate_legacy(s32 rate)
1712 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1713 6000, 9000, 12000, 18000, 24000,
1718 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1719 if (rate == legacy[i])
1725 static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1727 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1728 52000, 58500, 65000, 72200
1732 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1733 if (rate == ht20[i]) {
1734 if (i == ARRAY_SIZE(ht20) - 1)
1735 /* last rate uses sgi */
1747 static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1749 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1750 81000, 108000, 121500, 135000,
1755 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1756 if (rate == ht40[i]) {
1757 if (i == ARRAY_SIZE(ht40) - 1)
1758 /* last rate uses sgi */
1771 static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1772 const u8 *mac, struct station_info *sinfo)
1774 struct ath6kl *ar = ath6kl_priv(dev);
1775 struct ath6kl_vif *vif = netdev_priv(dev);
1782 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
1785 if (down_interruptible(&ar->sem))
1788 set_bit(STATS_UPDATE_PEND, &vif->flags);
1790 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
1797 left = wait_event_interruptible_timeout(ar->event_wq,
1798 !test_bit(STATS_UPDATE_PEND,
1809 if (vif->target_stats.rx_byte) {
1810 sinfo->rx_bytes = vif->target_stats.rx_byte;
1811 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64);
1812 sinfo->rx_packets = vif->target_stats.rx_pkt;
1813 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);
1816 if (vif->target_stats.tx_byte) {
1817 sinfo->tx_bytes = vif->target_stats.tx_byte;
1818 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64);
1819 sinfo->tx_packets = vif->target_stats.tx_pkt;
1820 sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);
1823 sinfo->signal = vif->target_stats.cs_rssi;
1824 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
1826 rate = vif->target_stats.tx_ucast_rate;
1828 if (is_rate_legacy(rate)) {
1829 sinfo->txrate.legacy = rate / 100;
1830 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1832 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1833 sinfo->txrate.mcs = mcs - 1;
1835 sinfo->txrate.mcs = mcs;
1838 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1839 sinfo->txrate.bw = RATE_INFO_BW_20;
1840 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1842 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1843 sinfo->txrate.mcs = mcs - 1;
1845 sinfo->txrate.mcs = mcs;
1848 sinfo->txrate.bw = RATE_INFO_BW_40;
1849 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1851 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1852 "invalid rate from stats: %d\n", rate);
1853 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
1857 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
1859 if (test_bit(CONNECTED, &vif->flags) &&
1860 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
1861 vif->nw_type == INFRA_NETWORK) {
1862 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1863 sinfo->bss_param.flags = 0;
1864 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1865 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
1871 static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1872 struct cfg80211_pmksa *pmksa)
1874 struct ath6kl *ar = ath6kl_priv(netdev);
1875 struct ath6kl_vif *vif = netdev_priv(netdev);
1877 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1878 pmksa->pmkid, true);
1881 static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1882 struct cfg80211_pmksa *pmksa)
1884 struct ath6kl *ar = ath6kl_priv(netdev);
1885 struct ath6kl_vif *vif = netdev_priv(netdev);
1887 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1888 pmksa->pmkid, false);
1891 static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1893 struct ath6kl *ar = ath6kl_priv(netdev);
1894 struct ath6kl_vif *vif = netdev_priv(netdev);
1896 if (test_bit(CONNECTED, &vif->flags))
1897 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1898 vif->bssid, NULL, false);
1902 static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1903 struct cfg80211_wowlan *wow, u32 *filter)
1906 u8 mask[WOW_PATTERN_SIZE];
1909 /* Configure the patterns that we received from the user. */
1910 for (i = 0; i < wow->n_patterns; i++) {
1912 * Convert given nl80211 specific mask value to equivalent
1913 * driver specific mask value and send it to the chip along
1914 * with patterns. For example, If the mask value defined in
1915 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1916 * then equivalent driver specific mask value is
1917 * "0xFF 0x00 0xFF 0x00".
1919 memset(&mask, 0, sizeof(mask));
1920 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1921 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1925 * Note: Pattern's offset is not passed as part of wowlan
1926 * parameter from CFG layer. So it's always passed as ZERO
1927 * to the firmware. It means, given WOW patterns are always
1928 * matched from the first byte of received pkt in the firmware.
1930 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1931 vif->fw_vif_idx, WOW_LIST_ID,
1932 wow->patterns[i].pattern_len,
1933 0 /* pattern offset */,
1934 wow->patterns[i].pattern, mask);
1939 if (wow->disconnect)
1940 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1943 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1945 if (wow->gtk_rekey_failure)
1946 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1948 if (wow->eap_identity_req)
1949 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1951 if (wow->four_way_handshake)
1952 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1957 static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1959 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1960 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1961 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1963 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1964 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1965 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1967 u8 unicst_offset = 0;
1968 static const u8 arp_pattern[] = { 0x08, 0x06 };
1969 static const u8 arp_mask[] = { 0xff, 0xff };
1971 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1972 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1973 u8 discvr_offset = 38;
1974 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1975 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1976 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1977 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1978 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1979 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1980 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1981 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1982 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1983 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1984 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1985 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1989 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1990 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1991 vif->fw_vif_idx, WOW_LIST_ID,
1992 sizeof(unicst_pattern), unicst_offset,
1993 unicst_pattern, unicst_mask);
1995 ath6kl_err("failed to add WOW unicast IP pattern\n");
1999 /* Setup all ARP pkt pattern */
2000 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2001 vif->fw_vif_idx, WOW_LIST_ID,
2002 sizeof(arp_pattern), arp_offset,
2003 arp_pattern, arp_mask);
2005 ath6kl_err("failed to add WOW ARP pattern\n");
2010 * Setup multicast pattern for mDNS 224.0.0.251,
2011 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2013 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2014 vif->fw_vif_idx, WOW_LIST_ID,
2015 sizeof(discvr_pattern), discvr_offset,
2016 discvr_pattern, discvr_mask);
2018 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2022 /* Setup all DHCP broadcast pkt pattern */
2023 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2024 vif->fw_vif_idx, WOW_LIST_ID,
2025 sizeof(dhcp_pattern), dhcp_offset,
2026 dhcp_pattern, dhcp_mask);
2028 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2035 static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2037 struct net_device *ndev = vif->ndev;
2038 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2039 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2040 u8 discvr_offset = 38;
2041 u8 mac_mask[ETH_ALEN];
2044 /* Setup unicast pkt pattern */
2045 eth_broadcast_addr(mac_mask);
2046 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2047 vif->fw_vif_idx, WOW_LIST_ID,
2048 ETH_ALEN, 0, ndev->dev_addr,
2051 ath6kl_err("failed to add WOW unicast pattern\n");
2056 * Setup multicast pattern for mDNS 224.0.0.251,
2057 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2059 if ((ndev->flags & IFF_ALLMULTI) ||
2060 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2061 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2062 vif->fw_vif_idx, WOW_LIST_ID,
2063 sizeof(discvr_pattern), discvr_offset,
2064 discvr_pattern, discvr_mask);
2066 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2074 static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2076 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2079 static bool is_ctrl_ep_empty(struct ath6kl *ar)
2081 return !ar->tx_pending[ar->ctrl_ep];
2084 static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2088 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2090 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2091 ATH6KL_HOST_MODE_ASLEEP);
2095 left = wait_event_interruptible_timeout(ar->event_wq,
2096 is_hsleep_mode_procsed(vif),
2099 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2101 } else if (left < 0) {
2102 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2107 if (ar->tx_pending[ar->ctrl_ep]) {
2108 left = wait_event_interruptible_timeout(ar->event_wq,
2109 is_ctrl_ep_empty(ar),
2112 ath6kl_warn("clear wmi ctrl data timeout\n");
2114 } else if (left < 0) {
2115 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2123 static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2124 struct cfg80211_wowlan *wow, u32 *filter)
2126 struct ath6kl *ar = vif->ar;
2127 struct in_device *in_dev;
2128 struct in_ifaddr *ifa;
2131 __be32 ips[MAX_IP_ADDRS];
2134 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2135 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2136 ar->fw_capabilities)) {
2137 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2138 vif->fw_vif_idx, false);
2143 /* Clear existing WOW patterns */
2144 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2145 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2149 * Skip the default WOW pattern configuration
2150 * if the driver receives any WOW patterns from
2154 ret = ath6kl_wow_usr(ar, vif, wow, filter);
2155 else if (vif->nw_type == AP_NETWORK)
2156 ret = ath6kl_wow_ap(ar, vif);
2158 ret = ath6kl_wow_sta(ar, vif);
2163 netif_stop_queue(vif->ndev);
2165 if (vif->nw_type != AP_NETWORK) {
2166 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2167 ATH6KL_MAX_WOW_LISTEN_INTL,
2172 /* Set listen interval x 15 times as bmiss time */
2173 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2174 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2175 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2177 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2182 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2183 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2189 /* Setup own IP addr for ARP agent. */
2190 in_dev = __in_dev_get_rtnl(vif->ndev);
2194 ifa = in_dev->ifa_list;
2195 memset(&ips, 0, sizeof(ips));
2197 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2198 while (index < MAX_IP_ADDRS && ifa) {
2199 ips[index] = ifa->ifa_local;
2200 ifa = ifa->ifa_next;
2205 ath6kl_err("total IP addr count is exceeding fw limit\n");
2209 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2211 ath6kl_err("fail to setup ip for arp agent\n");
2218 static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2220 struct ath6kl_vif *first_vif, *vif;
2223 bool connected = false;
2225 /* enter / leave wow suspend on first vif always */
2226 first_vif = ath6kl_vif_first(ar);
2227 if (WARN_ON(!first_vif) ||
2228 !ath6kl_cfg80211_ready(first_vif))
2231 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2234 /* install filters for each connected vif */
2235 spin_lock_bh(&ar->list_lock);
2236 list_for_each_entry(vif, &ar->vif_list, list) {
2237 if (!test_bit(CONNECTED, &vif->flags) ||
2238 !ath6kl_cfg80211_ready(vif))
2242 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2246 spin_unlock_bh(&ar->list_lock);
2253 ar->state = ATH6KL_STATE_SUSPENDING;
2255 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
2256 ATH6KL_WOW_MODE_ENABLE,
2258 WOW_HOST_REQ_DELAY);
2262 return ath6kl_cfg80211_host_sleep(ar, first_vif);
2265 static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
2267 struct ath6kl *ar = vif->ar;
2270 if (vif->nw_type != AP_NETWORK) {
2271 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2272 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2276 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2277 vif->listen_intvl_t, 0);
2281 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2282 vif->bmiss_time_t, 0);
2287 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2288 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2289 ar->fw_capabilities)) {
2290 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2291 vif->fw_vif_idx, true);
2296 netif_wake_queue(vif->ndev);
2301 static int ath6kl_wow_resume(struct ath6kl *ar)
2303 struct ath6kl_vif *vif;
2306 vif = ath6kl_vif_first(ar);
2307 if (WARN_ON(!vif) ||
2308 !ath6kl_cfg80211_ready(vif))
2311 ar->state = ATH6KL_STATE_RESUMING;
2313 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2314 ATH6KL_HOST_MODE_AWAKE);
2316 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2321 spin_lock_bh(&ar->list_lock);
2322 list_for_each_entry(vif, &ar->vif_list, list) {
2323 if (!test_bit(CONNECTED, &vif->flags) ||
2324 !ath6kl_cfg80211_ready(vif))
2326 ret = ath6kl_wow_resume_vif(vif);
2330 spin_unlock_bh(&ar->list_lock);
2335 ar->state = ATH6KL_STATE_ON;
2339 ar->state = ATH6KL_STATE_WOW;
2343 static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2345 struct ath6kl_vif *vif;
2348 vif = ath6kl_vif_first(ar);
2352 if (!test_bit(WMI_READY, &ar->flag)) {
2353 ath6kl_err("deepsleep failed as wmi is not ready\n");
2357 ath6kl_cfg80211_stop_all(ar);
2359 /* Save the current power mode before enabling power save */
2360 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2362 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2366 /* Disable WOW mode */
2367 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2368 ATH6KL_WOW_MODE_DISABLE,
2373 /* Flush all non control pkts in TX path */
2374 ath6kl_tx_data_cleanup(ar);
2376 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2383 static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2385 struct ath6kl_vif *vif;
2388 vif = ath6kl_vif_first(ar);
2393 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2394 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2395 ar->wmi->saved_pwr_mode);
2400 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2401 ATH6KL_HOST_MODE_AWAKE);
2405 ar->state = ATH6KL_STATE_ON;
2407 /* Reset scan parameter to default values */
2408 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2409 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2416 int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2417 enum ath6kl_cfg_suspend_mode mode,
2418 struct cfg80211_wowlan *wow)
2420 struct ath6kl_vif *vif;
2421 enum ath6kl_state prev_state;
2425 case ATH6KL_CFG_SUSPEND_WOW:
2427 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2429 /* Flush all non control pkts in TX path */
2430 ath6kl_tx_data_cleanup(ar);
2432 prev_state = ar->state;
2434 ret = ath6kl_wow_suspend(ar, wow);
2436 ar->state = prev_state;
2440 ar->state = ATH6KL_STATE_WOW;
2443 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2445 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
2447 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
2449 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2453 ar->state = ATH6KL_STATE_DEEPSLEEP;
2457 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2459 ath6kl_cfg80211_stop_all(ar);
2461 if (ar->state == ATH6KL_STATE_OFF) {
2462 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2463 "suspend hw off, no action for cutpower\n");
2467 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2469 ret = ath6kl_init_hw_stop(ar);
2471 ath6kl_warn("failed to stop hw during suspend: %d\n",
2475 ar->state = ATH6KL_STATE_CUTPOWER;
2483 list_for_each_entry(vif, &ar->vif_list, list)
2484 ath6kl_cfg80211_scan_complete_event(vif, true);
2488 EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2490 int ath6kl_cfg80211_resume(struct ath6kl *ar)
2494 switch (ar->state) {
2495 case ATH6KL_STATE_WOW:
2496 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2498 ret = ath6kl_wow_resume(ar);
2500 ath6kl_warn("wow mode resume failed: %d\n", ret);
2506 case ATH6KL_STATE_DEEPSLEEP:
2507 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
2509 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2511 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2516 case ATH6KL_STATE_CUTPOWER:
2517 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2519 ret = ath6kl_init_hw_start(ar);
2521 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2532 EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2536 /* hif layer decides what suspend mode to use */
2537 static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2538 struct cfg80211_wowlan *wow)
2540 struct ath6kl *ar = wiphy_priv(wiphy);
2542 ath6kl_recovery_suspend(ar);
2544 return ath6kl_hif_suspend(ar, wow);
2547 static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2549 struct ath6kl *ar = wiphy_priv(wiphy);
2552 err = ath6kl_hif_resume(ar);
2556 ath6kl_recovery_resume(ar);
2562 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2563 * both sdio irq wake up and keep power. The target pulls sdio data line to
2564 * wake up the host when WOW pattern matches. This causes sdio irq handler
2565 * is being called in the host side which internally hits ath6kl's RX path.
2567 * Since sdio interrupt is not disabled, RX path executes even before
2568 * the host executes the actual resume operation from PM module.
2570 * In the current scenario, WOW resume should happen before start processing
2571 * any data from the target. So It's required to perform WOW resume in RX path.
2572 * Ideally we should perform WOW resume only in the actual platform
2573 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2575 * ath6kl_check_wow_status() is called from ath6kl_rx().
2577 void ath6kl_check_wow_status(struct ath6kl *ar)
2579 if (ar->state == ATH6KL_STATE_SUSPENDING)
2582 if (ar->state == ATH6KL_STATE_WOW)
2583 ath6kl_cfg80211_resume(ar);
2588 void ath6kl_check_wow_status(struct ath6kl *ar)
2593 static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum nl80211_band band,
2596 struct ath6kl_htcap *htcap = &vif->htcap[band];
2598 if (htcap->ht_enable == ht_enable)
2602 /* Set default ht capabilities */
2603 htcap->ht_enable = true;
2604 htcap->cap_info = (band == NL80211_BAND_2GHZ) ?
2605 ath6kl_g_htcap : ath6kl_a_htcap;
2606 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2607 } else /* Disable ht */
2608 memset(htcap, 0, sizeof(*htcap));
2610 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2614 static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2616 struct wiphy *wiphy = vif->ar->wiphy;
2619 for (band = 0; band < NUM_NL80211_BANDS; band++) {
2620 if (!wiphy->bands[band])
2623 ret = ath6kl_set_htcap(vif, band,
2624 wiphy->bands[band]->ht_cap.ht_supported);
2632 static bool ath6kl_is_p2p_ie(const u8 *pos)
2634 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2635 pos[2] == 0x50 && pos[3] == 0x6f &&
2636 pos[4] == 0x9a && pos[5] == 0x09;
2639 static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2640 const u8 *ies, size_t ies_len)
2642 struct ath6kl *ar = vif->ar;
2649 * Filter out P2P IE(s) since they will be included depending on
2650 * the Probe Request frame in ath6kl_send_go_probe_resp().
2653 if (ies && ies_len) {
2654 buf = kmalloc(ies_len, GFP_KERNEL);
2658 while (pos + 1 < ies + ies_len) {
2659 if (pos + 2 + pos[1] > ies + ies_len)
2661 if (!ath6kl_is_p2p_ie(pos)) {
2662 memcpy(buf + len, pos, 2 + pos[1]);
2669 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2670 WMI_FRAME_PROBE_RESP, buf, len);
2675 static int ath6kl_set_ies(struct ath6kl_vif *vif,
2676 struct cfg80211_beacon_data *info)
2678 struct ath6kl *ar = vif->ar;
2681 /* this also clears IE in fw if it's not set */
2682 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2685 info->beacon_ies_len);
2689 /* this also clears IE in fw if it's not set */
2690 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2691 info->proberesp_ies_len);
2695 /* this also clears IE in fw if it's not set */
2696 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2697 WMI_FRAME_ASSOC_RESP,
2698 info->assocresp_ies,
2699 info->assocresp_ies_len);
2706 static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2716 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2720 rsn_ie_len = *(rsn_ie + 1);
2721 /* skip element id and length */
2730 /* skip group cipher suite */
2736 /* skip pairwise cipher suite */
2739 cnt = get_unaligned_le16(rsn_ie);
2740 rsn_ie += (2 + cnt * 4);
2741 rsn_ie_len -= (2 + cnt * 4);
2743 /* skip akm suite */
2746 cnt = get_unaligned_le16(rsn_ie);
2747 rsn_ie += (2 + cnt * 4);
2748 rsn_ie_len -= (2 + cnt * 4);
2753 memcpy(rsn_capab, rsn_ie, 2);
2758 static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2759 struct cfg80211_ap_settings *info)
2761 struct ath6kl *ar = ath6kl_priv(dev);
2762 struct ath6kl_vif *vif = netdev_priv(dev);
2763 struct ieee80211_mgmt *mgmt;
2764 bool hidden = false;
2767 struct wmi_connect_cmd p;
2771 int inactivity_timeout = 0;
2773 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2775 if (!ath6kl_cfg80211_ready(vif))
2778 if (vif->next_mode != AP_NETWORK)
2781 res = ath6kl_set_ies(vif, &info->beacon);
2783 ar->ap_mode_bkey.valid = false;
2785 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2786 info->beacon_interval);
2789 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
2791 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2794 /* ignore error, just print a warning and continue normally */
2796 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2798 if (info->beacon.head == NULL)
2800 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2801 ies = mgmt->u.beacon.variable;
2802 if (ies > info->beacon.head + info->beacon.head_len)
2804 ies_len = info->beacon.head + info->beacon.head_len - ies;
2806 if (info->ssid == NULL)
2808 memcpy(vif->ssid, info->ssid, info->ssid_len);
2809 vif->ssid_len = info->ssid_len;
2810 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2813 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2817 ret = ath6kl_set_auth_type(vif, info->auth_type);
2821 memset(&p, 0, sizeof(p));
2823 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2824 switch (info->crypto.akm_suites[i]) {
2825 case WLAN_AKM_SUITE_8021X:
2826 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2827 p.auth_mode |= WPA_AUTH;
2828 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2829 p.auth_mode |= WPA2_AUTH;
2831 case WLAN_AKM_SUITE_PSK:
2832 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2833 p.auth_mode |= WPA_PSK_AUTH;
2834 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2835 p.auth_mode |= WPA2_PSK_AUTH;
2839 if (p.auth_mode == 0)
2840 p.auth_mode = NONE_AUTH;
2841 vif->auth_mode = p.auth_mode;
2843 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2844 switch (info->crypto.ciphers_pairwise[i]) {
2845 case WLAN_CIPHER_SUITE_WEP40:
2846 case WLAN_CIPHER_SUITE_WEP104:
2847 p.prwise_crypto_type |= WEP_CRYPT;
2849 case WLAN_CIPHER_SUITE_TKIP:
2850 p.prwise_crypto_type |= TKIP_CRYPT;
2852 case WLAN_CIPHER_SUITE_CCMP:
2853 p.prwise_crypto_type |= AES_CRYPT;
2855 case WLAN_CIPHER_SUITE_SMS4:
2856 p.prwise_crypto_type |= WAPI_CRYPT;
2860 if (p.prwise_crypto_type == 0) {
2861 p.prwise_crypto_type = NONE_CRYPT;
2862 ath6kl_set_cipher(vif, 0, true);
2863 } else if (info->crypto.n_ciphers_pairwise == 1) {
2864 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
2867 switch (info->crypto.cipher_group) {
2868 case WLAN_CIPHER_SUITE_WEP40:
2869 case WLAN_CIPHER_SUITE_WEP104:
2870 p.grp_crypto_type = WEP_CRYPT;
2872 case WLAN_CIPHER_SUITE_TKIP:
2873 p.grp_crypto_type = TKIP_CRYPT;
2875 case WLAN_CIPHER_SUITE_CCMP:
2876 p.grp_crypto_type = AES_CRYPT;
2878 case WLAN_CIPHER_SUITE_SMS4:
2879 p.grp_crypto_type = WAPI_CRYPT;
2882 p.grp_crypto_type = NONE_CRYPT;
2885 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
2887 p.nw_type = AP_NETWORK;
2888 vif->nw_type = vif->next_mode;
2890 p.ssid_len = vif->ssid_len;
2891 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2892 p.dot11_auth_mode = vif->dot11_auth_mode;
2893 p.ch = cpu_to_le16(info->chandef.chan->center_freq);
2895 /* Enable uAPSD support by default */
2896 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2900 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2901 p.nw_subtype = SUBTYPE_P2PGO;
2904 * Due to firmware limitation, it is not possible to
2905 * do P2P mgmt operations in AP mode
2907 p.nw_subtype = SUBTYPE_NONE;
2910 if (info->inactivity_timeout) {
2911 inactivity_timeout = info->inactivity_timeout;
2913 if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
2914 ar->fw_capabilities))
2915 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2918 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
2919 inactivity_timeout);
2924 if (ath6kl_set_htcap(vif, info->chandef.chan->band,
2925 cfg80211_get_chandef_type(&info->chandef)
2926 != NL80211_CHAN_NO_HT))
2930 * Get the PTKSA replay counter in the RSN IE. Supplicant
2931 * will use the RSN IE in M3 message and firmware has to
2932 * advertise the same in beacon/probe response. Send
2933 * the complete RSN IE capability field to firmware
2935 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2936 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2937 ar->fw_capabilities)) {
2938 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2939 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2940 (const u8 *) &rsn_capab,
2942 vif->rsn_capab = rsn_capab;
2947 memcpy(&vif->profile, &p, sizeof(p));
2948 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
2955 static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2956 struct cfg80211_beacon_data *beacon)
2958 struct ath6kl_vif *vif = netdev_priv(dev);
2960 if (!ath6kl_cfg80211_ready(vif))
2963 if (vif->next_mode != AP_NETWORK)
2966 return ath6kl_set_ies(vif, beacon);
2969 static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
2971 struct ath6kl *ar = ath6kl_priv(dev);
2972 struct ath6kl_vif *vif = netdev_priv(dev);
2974 if (vif->nw_type != AP_NETWORK)
2976 if (!test_bit(CONNECTED, &vif->flags))
2979 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
2980 clear_bit(CONNECTED, &vif->flags);
2981 netif_carrier_off(vif->ndev);
2983 /* Restore ht setting in firmware */
2984 return ath6kl_restore_htcap(vif);
2987 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2989 static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2990 struct station_del_parameters *params)
2992 struct ath6kl *ar = ath6kl_priv(dev);
2993 struct ath6kl_vif *vif = netdev_priv(dev);
2994 const u8 *addr = params->mac ? params->mac : bcast_addr;
2996 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2997 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
3000 static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
3002 struct station_parameters *params)
3004 struct ath6kl *ar = ath6kl_priv(dev);
3005 struct ath6kl_vif *vif = netdev_priv(dev);
3008 if (vif->nw_type != AP_NETWORK)
3011 err = cfg80211_check_station_change(wiphy, params,
3012 CFG80211_STA_AP_MLME_CLIENT);
3016 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
3017 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3018 WMI_AP_MLME_AUTHORIZE, mac, 0);
3019 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3020 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
3023 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
3024 struct wireless_dev *wdev,
3025 struct ieee80211_channel *chan,
3026 unsigned int duration,
3029 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3030 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3033 /* TODO: if already pending or ongoing remain-on-channel,
3035 id = ++vif->last_roc_id;
3037 /* Do not use 0 as the cookie value */
3038 id = ++vif->last_roc_id;
3042 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3043 chan->center_freq, duration);
3046 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
3047 struct wireless_dev *wdev,
3050 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3051 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3053 if (cookie != vif->last_roc_id)
3055 vif->last_cancel_roc_id = cookie;
3057 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
3060 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3061 const u8 *buf, size_t len,
3064 struct ath6kl *ar = vif->ar;
3069 const struct ieee80211_mgmt *mgmt;
3071 mgmt = (const struct ieee80211_mgmt *) buf;
3073 /* Include P2P IE(s) from the frame generated in user space. */
3075 p2p = kmalloc(len, GFP_KERNEL);
3080 pos = mgmt->u.probe_resp.variable;
3081 while (pos + 1 < buf + len) {
3082 if (pos + 2 + pos[1] > buf + len)
3084 if (ath6kl_is_p2p_ie(pos)) {
3085 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3086 p2p_len += 2 + pos[1];
3091 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3092 mgmt->da, p2p, p2p_len);
3097 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3106 struct ieee80211_mgmt *mgmt;
3107 struct ath6kl_sta *conn;
3108 bool is_psq_empty = false;
3109 struct ath6kl_mgmt_buff *mgmt_buf;
3110 size_t mgmt_buf_size;
3111 struct ath6kl *ar = vif->ar;
3113 mgmt = (struct ieee80211_mgmt *) buf;
3114 if (is_multicast_ether_addr(mgmt->da))
3117 conn = ath6kl_find_sta(vif, mgmt->da);
3121 if (conn->sta_flags & STA_PS_SLEEP) {
3122 if (!(conn->sta_flags & STA_PS_POLLED)) {
3123 /* Queue the frames if the STA is sleeping */
3124 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3125 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3129 INIT_LIST_HEAD(&mgmt_buf->list);
3131 mgmt_buf->freq = freq;
3132 mgmt_buf->wait = wait;
3133 mgmt_buf->len = len;
3134 mgmt_buf->no_cck = no_cck;
3135 memcpy(mgmt_buf->buf, buf, len);
3136 spin_lock_bh(&conn->psq_lock);
3137 is_psq_empty = skb_queue_empty(&conn->psq) &&
3138 (conn->mgmt_psq_len == 0);
3139 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3140 conn->mgmt_psq_len++;
3141 spin_unlock_bh(&conn->psq_lock);
3144 * If this is the first pkt getting queued
3145 * for this STA, update the PVB for this
3149 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3155 * This tx is because of a PsPoll.
3156 * Determine if MoreData bit has to be set.
3158 spin_lock_bh(&conn->psq_lock);
3159 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3161 spin_unlock_bh(&conn->psq_lock);
3167 /* Check if SSID length is greater than DIRECT- */
3168 static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3170 const struct ieee80211_mgmt *mgmt;
3171 mgmt = (const struct ieee80211_mgmt *) buf;
3173 /* variable[1] contains the SSID tag length */
3174 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3175 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3182 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3183 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
3185 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3186 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3187 struct ieee80211_channel *chan = params->chan;
3188 const u8 *buf = params->buf;
3189 size_t len = params->len;
3190 unsigned int wait = params->wait;
3191 bool no_cck = params->no_cck;
3193 const struct ieee80211_mgmt *mgmt;
3194 bool more_data, queued;
3196 /* default to the current channel, but use the one specified as argument
3199 freq = vif->ch_hint;
3201 freq = chan->center_freq;
3203 /* never send freq zero to the firmware */
3204 if (WARN_ON(freq == 0))
3207 mgmt = (const struct ieee80211_mgmt *) buf;
3208 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3209 ieee80211_is_probe_resp(mgmt->frame_control) &&
3210 ath6kl_is_p2p_go_ssid(buf, len)) {
3212 * Send Probe Response frame in GO mode using a separate WMI
3213 * command to allow the target to fill in the generic IEs.
3215 *cookie = 0; /* TX status not supported */
3216 return ath6kl_send_go_probe_resp(vif, buf, len, freq);
3219 id = vif->send_action_id++;
3222 * 0 is a reserved value in the WMI command and shall not be
3223 * used for the command.
3225 id = vif->send_action_id++;
3230 /* AP mode Power saving processing */
3231 if (vif->nw_type == AP_NETWORK) {
3232 queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,
3233 &more_data, no_cck);
3238 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,
3239 wait, buf, len, no_cck);
3242 static int ath6kl_get_antenna(struct wiphy *wiphy,
3243 u32 *tx_ant, u32 *rx_ant)
3245 struct ath6kl *ar = wiphy_priv(wiphy);
3246 *tx_ant = ar->hw.tx_ant;
3247 *rx_ant = ar->hw.rx_ant;
3251 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3252 struct wireless_dev *wdev,
3253 u16 frame_type, bool reg)
3255 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3257 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3258 __func__, frame_type, reg);
3259 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3261 * Note: This notification callback is not allowed to sleep, so
3262 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3263 * hardcode target to report Probe Request frames all the time.
3265 vif->probe_req_report = reg;
3269 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3270 struct net_device *dev,
3271 struct cfg80211_sched_scan_request *request)
3273 struct ath6kl *ar = ath6kl_priv(dev);
3274 struct ath6kl_vif *vif = netdev_priv(dev);
3276 int ret, rssi_thold;
3277 int n_match_sets = request->n_match_sets;
3280 * If there's a matchset w/o an SSID, then assume it's just for
3281 * the RSSI (nothing else is currently supported) and ignore it.
3282 * The device only supports a global RSSI filter that we set below.
3284 if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len)
3287 if (ar->state != ATH6KL_STATE_ON)
3290 if (vif->sme_state != SME_DISCONNECTED)
3293 ath6kl_cfg80211_scan_complete_event(vif, true);
3295 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3297 request->match_sets,
3302 if (!n_match_sets) {
3303 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3308 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3309 MATCHED_SSID_FILTER, 0);
3314 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3315 ar->fw_capabilities)) {
3316 if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
3318 else if (request->min_rssi_thold < -127)
3321 rssi_thold = request->min_rssi_thold;
3323 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3326 ath6kl_err("failed to set RSSI threshold for scan\n");
3331 /* fw uses seconds, also make sure that it's >0 */
3332 interval = max_t(u16, 1, request->scan_plans[0].interval);
3334 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3336 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3338 /* this also clears IE in fw if it's not set */
3339 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3340 WMI_FRAME_PROBE_REQ,
3341 request->ie, request->ie_len);
3343 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3348 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3352 set_bit(SCHED_SCANNING, &vif->flags);
3357 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3358 struct net_device *dev)
3360 struct ath6kl_vif *vif = netdev_priv(dev);
3363 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3371 static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3372 struct net_device *dev,
3374 const struct cfg80211_bitrate_mask *mask)
3376 struct ath6kl *ar = ath6kl_priv(dev);
3377 struct ath6kl_vif *vif = netdev_priv(dev);
3379 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3383 static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3384 struct net_device *dev,
3385 u32 rate, u32 pkts, u32 intvl)
3387 struct ath6kl *ar = ath6kl_priv(dev);
3388 struct ath6kl_vif *vif = netdev_priv(dev);
3390 if (vif->nw_type != INFRA_NETWORK ||
3391 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3394 if (vif->sme_state != SME_CONNECTED)
3397 /* save this since the firmware won't report the interval */
3398 vif->txe_intvl = intvl;
3400 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3404 static const struct ieee80211_txrx_stypes
3405 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3406 [NL80211_IFTYPE_STATION] = {
3407 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3408 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3409 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3410 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3412 [NL80211_IFTYPE_AP] = {
3413 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3414 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3415 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3416 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3418 [NL80211_IFTYPE_P2P_CLIENT] = {
3419 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3420 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3421 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3422 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3424 [NL80211_IFTYPE_P2P_GO] = {
3425 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3426 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3427 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3428 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3432 static struct cfg80211_ops ath6kl_cfg80211_ops = {
3433 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3434 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3435 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3436 .scan = ath6kl_cfg80211_scan,
3437 .connect = ath6kl_cfg80211_connect,
3438 .disconnect = ath6kl_cfg80211_disconnect,
3439 .add_key = ath6kl_cfg80211_add_key,
3440 .get_key = ath6kl_cfg80211_get_key,
3441 .del_key = ath6kl_cfg80211_del_key,
3442 .set_default_key = ath6kl_cfg80211_set_default_key,
3443 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3444 .set_tx_power = ath6kl_cfg80211_set_txpower,
3445 .get_tx_power = ath6kl_cfg80211_get_txpower,
3446 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3447 .join_ibss = ath6kl_cfg80211_join_ibss,
3448 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3449 .get_station = ath6kl_get_station,
3450 .set_pmksa = ath6kl_set_pmksa,
3451 .del_pmksa = ath6kl_del_pmksa,
3452 .flush_pmksa = ath6kl_flush_pmksa,
3453 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3455 .suspend = __ath6kl_cfg80211_suspend,
3456 .resume = __ath6kl_cfg80211_resume,
3458 .start_ap = ath6kl_start_ap,
3459 .change_beacon = ath6kl_change_beacon,
3460 .stop_ap = ath6kl_stop_ap,
3461 .del_station = ath6kl_del_station,
3462 .change_station = ath6kl_change_station,
3463 .remain_on_channel = ath6kl_remain_on_channel,
3464 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3465 .mgmt_tx = ath6kl_mgmt_tx,
3466 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3467 .get_antenna = ath6kl_get_antenna,
3468 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3469 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3470 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
3471 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
3474 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3476 ath6kl_cfg80211_sscan_disable(vif);
3478 switch (vif->sme_state) {
3479 case SME_DISCONNECTED:
3481 case SME_CONNECTING:
3482 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3484 WLAN_STATUS_UNSPECIFIED_FAILURE,
3488 cfg80211_disconnected(vif->ndev, 0, NULL, 0, true, GFP_KERNEL);
3492 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3493 (test_bit(CONNECTED, &vif->flags) ||
3494 test_bit(CONNECT_PEND, &vif->flags)))
3495 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3497 vif->sme_state = SME_DISCONNECTED;
3498 clear_bit(CONNECTED, &vif->flags);
3499 clear_bit(CONNECT_PEND, &vif->flags);
3501 /* Stop netdev queues, needed during recovery */
3502 netif_stop_queue(vif->ndev);
3503 netif_carrier_off(vif->ndev);
3505 /* disable scanning */
3506 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3507 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3508 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3509 ath6kl_warn("failed to disable scan during stop\n");
3511 ath6kl_cfg80211_scan_complete_event(vif, true);
3514 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3516 struct ath6kl_vif *vif;
3518 vif = ath6kl_vif_first(ar);
3519 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
3520 /* save the current power mode before enabling power save */
3521 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3523 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3524 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3529 * FIXME: we should take ar->list_lock to protect changes in the
3530 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3533 list_for_each_entry(vif, &ar->vif_list, list)
3534 ath6kl_cfg80211_stop(vif);
3537 static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3538 struct regulatory_request *request)
3540 struct ath6kl *ar = wiphy_priv(wiphy);
3541 u32 rates[NUM_NL80211_BANDS];
3544 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
3545 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
3546 request->alpha2[0], request->alpha2[1],
3547 request->intersect ? " intersect" : "",
3548 request->processed ? " processed" : "",
3549 request->initiator, request->user_reg_hint_type);
3551 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
3554 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3556 ath6kl_err("failed to set regdomain: %d\n", ret);
3561 * Firmware will apply the regdomain change only after a scan is
3562 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3566 for (i = 0; i < NUM_NL80211_BANDS; i++)
3567 if (wiphy->bands[i])
3568 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3571 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3572 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3573 0, NULL, false, rates);
3575 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3581 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3583 vif->aggr_cntxt = aggr_init(vif);
3584 if (!vif->aggr_cntxt) {
3585 ath6kl_err("failed to initialize aggr\n");
3589 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3590 (unsigned long) vif->ndev);
3591 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3592 (unsigned long) vif);
3594 set_bit(WMM_ENABLED, &vif->flags);
3595 spin_lock_init(&vif->if_lock);
3597 INIT_LIST_HEAD(&vif->mc_filter);
3602 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3604 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3607 netif_stop_queue(vif->ndev);
3609 clear_bit(WLAN_ENABLED, &vif->flags);
3612 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3613 test_bit(CONNECT_PEND, &vif->flags);
3614 ath6kl_disconnect(vif);
3615 del_timer(&vif->disconnect_timer);
3618 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3619 (vif->nw_type & AP_NETWORK) ?
3620 bcast_mac : vif->bssid,
3624 if (vif->scan_req) {
3625 struct cfg80211_scan_info info = {
3629 cfg80211_scan_done(vif->scan_req, &info);
3630 vif->scan_req = NULL;
3633 /* need to clean up enhanced bmiss detection fw state */
3634 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3637 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3639 struct ath6kl *ar = vif->ar;
3640 struct ath6kl_mc_filter *mc_filter, *tmp;
3642 aggr_module_destroy(vif->aggr_cntxt);
3644 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3646 if (vif->nw_type == ADHOC_NETWORK)
3647 ar->ibss_if_active = false;
3649 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3650 list_del(&mc_filter->list);
3654 unregister_netdevice(vif->ndev);
3659 static const char ath6kl_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
3660 /* Common stats names used by many drivers. */
3661 "tx_pkts_nic", "tx_bytes_nic", "rx_pkts_nic", "rx_bytes_nic",
3664 "d_tx_ucast_pkts", "d_tx_bcast_pkts",
3665 "d_tx_ucast_bytes", "d_tx_bcast_bytes",
3666 "d_tx_rts_ok", "d_tx_error", "d_tx_fail",
3667 "d_tx_retry", "d_tx_multi_retry", "d_tx_rts_fail",
3668 "d_tx_tkip_counter_measures",
3671 "d_rx_ucast_pkts", "d_rx_ucast_rate", "d_rx_bcast_pkts",
3672 "d_rx_ucast_bytes", "d_rx_bcast_bytes", "d_rx_frag_pkt",
3673 "d_rx_error", "d_rx_crc_err", "d_rx_keycache_miss",
3674 "d_rx_decrypt_crc_err", "d_rx_duplicate_frames",
3675 "d_rx_mic_err", "d_rx_tkip_format_err", "d_rx_ccmp_format_err",
3676 "d_rx_ccmp_replay_err",
3679 "d_beacon_miss", "d_num_connects", "d_num_disconnects",
3680 "d_beacon_avg_rssi", "d_arp_received", "d_arp_matched",
3684 #define ATH6KL_STATS_LEN ARRAY_SIZE(ath6kl_gstrings_sta_stats)
3686 static int ath6kl_get_sset_count(struct net_device *dev, int sset)
3690 if (sset == ETH_SS_STATS)
3691 rv += ATH6KL_STATS_LEN;
3698 static void ath6kl_get_stats(struct net_device *dev,
3699 struct ethtool_stats *stats,
3702 struct ath6kl_vif *vif = netdev_priv(dev);
3703 struct ath6kl *ar = vif->ar;
3705 struct target_stats *tgt_stats;
3707 memset(data, 0, sizeof(u64) * ATH6KL_STATS_LEN);
3709 ath6kl_read_tgt_stats(ar, vif);
3711 tgt_stats = &vif->target_stats;
3713 data[i++] = tgt_stats->tx_ucast_pkt + tgt_stats->tx_bcast_pkt;
3714 data[i++] = tgt_stats->tx_ucast_byte + tgt_stats->tx_bcast_byte;
3715 data[i++] = tgt_stats->rx_ucast_pkt + tgt_stats->rx_bcast_pkt;
3716 data[i++] = tgt_stats->rx_ucast_byte + tgt_stats->rx_bcast_byte;
3718 data[i++] = tgt_stats->tx_ucast_pkt;
3719 data[i++] = tgt_stats->tx_bcast_pkt;
3720 data[i++] = tgt_stats->tx_ucast_byte;
3721 data[i++] = tgt_stats->tx_bcast_byte;
3722 data[i++] = tgt_stats->tx_rts_success_cnt;
3723 data[i++] = tgt_stats->tx_err;
3724 data[i++] = tgt_stats->tx_fail_cnt;
3725 data[i++] = tgt_stats->tx_retry_cnt;
3726 data[i++] = tgt_stats->tx_mult_retry_cnt;
3727 data[i++] = tgt_stats->tx_rts_fail_cnt;
3728 data[i++] = tgt_stats->tkip_cnter_measures_invoked;
3730 data[i++] = tgt_stats->rx_ucast_pkt;
3731 data[i++] = tgt_stats->rx_ucast_rate;
3732 data[i++] = tgt_stats->rx_bcast_pkt;
3733 data[i++] = tgt_stats->rx_ucast_byte;
3734 data[i++] = tgt_stats->rx_bcast_byte;
3735 data[i++] = tgt_stats->rx_frgment_pkt;
3736 data[i++] = tgt_stats->rx_err;
3737 data[i++] = tgt_stats->rx_crc_err;
3738 data[i++] = tgt_stats->rx_key_cache_miss;
3739 data[i++] = tgt_stats->rx_decrypt_err;
3740 data[i++] = tgt_stats->rx_dupl_frame;
3741 data[i++] = tgt_stats->tkip_local_mic_fail;
3742 data[i++] = tgt_stats->tkip_fmt_err;
3743 data[i++] = tgt_stats->ccmp_fmt_err;
3744 data[i++] = tgt_stats->ccmp_replays;
3746 data[i++] = tgt_stats->cs_bmiss_cnt;
3747 data[i++] = tgt_stats->cs_connect_cnt;
3748 data[i++] = tgt_stats->cs_discon_cnt;
3749 data[i++] = tgt_stats->cs_ave_beacon_rssi;
3750 data[i++] = tgt_stats->arp_received;
3751 data[i++] = tgt_stats->arp_matched;
3752 data[i++] = tgt_stats->arp_replied;
3754 if (i != ATH6KL_STATS_LEN) {
3756 ath6kl_err("ethtool stats error, i: %d STATS_LEN: %d\n",
3757 i, (int)ATH6KL_STATS_LEN);
3761 /* These stats are per NIC, not really per vdev, so we just ignore dev. */
3762 static void ath6kl_get_strings(struct net_device *dev, u32 sset, u8 *data)
3764 int sz_sta_stats = 0;
3766 if (sset == ETH_SS_STATS) {
3767 sz_sta_stats = sizeof(ath6kl_gstrings_sta_stats);
3768 memcpy(data, ath6kl_gstrings_sta_stats, sz_sta_stats);
3772 static const struct ethtool_ops ath6kl_ethtool_ops = {
3773 .get_drvinfo = cfg80211_get_drvinfo,
3774 .get_link = ethtool_op_get_link,
3775 .get_strings = ath6kl_get_strings,
3776 .get_ethtool_stats = ath6kl_get_stats,
3777 .get_sset_count = ath6kl_get_sset_count,
3780 struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
3781 unsigned char name_assign_type,
3782 enum nl80211_iftype type,
3783 u8 fw_vif_idx, u8 nw_type)
3785 struct net_device *ndev;
3786 struct ath6kl_vif *vif;
3788 ndev = alloc_netdev(sizeof(*vif), name, name_assign_type, ether_setup);
3792 vif = netdev_priv(ndev);
3793 ndev->ieee80211_ptr = &vif->wdev;
3794 vif->wdev.wiphy = ar->wiphy;
3797 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3798 vif->wdev.netdev = ndev;
3799 vif->wdev.iftype = type;
3800 vif->fw_vif_idx = fw_vif_idx;
3801 vif->nw_type = nw_type;
3802 vif->next_mode = nw_type;
3803 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3804 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3805 vif->bg_scan_period = 0;
3806 vif->htcap[NL80211_BAND_2GHZ].ht_enable = true;
3807 vif->htcap[NL80211_BAND_5GHZ].ht_enable = true;
3809 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3810 if (fw_vif_idx != 0) {
3811 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3813 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3814 ar->fw_capabilities))
3815 ndev->dev_addr[4] ^= 0x80;
3820 ath6kl_init_control_info(vif);
3822 if (ath6kl_cfg80211_vif_init(vif))
3825 netdev_set_default_ethtool_ops(ndev, &ath6kl_ethtool_ops);
3827 if (register_netdevice(ndev))
3830 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3831 vif->sme_state = SME_DISCONNECTED;
3832 set_bit(WLAN_ENABLED, &vif->flags);
3833 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3835 if (type == NL80211_IFTYPE_ADHOC)
3836 ar->ibss_if_active = true;
3838 spin_lock_bh(&ar->list_lock);
3839 list_add_tail(&vif->list, &ar->vif_list);
3840 spin_unlock_bh(&ar->list_lock);
3845 aggr_module_destroy(vif->aggr_cntxt);
3851 static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
3852 .flags = WIPHY_WOWLAN_MAGIC_PKT |
3853 WIPHY_WOWLAN_DISCONNECT |
3854 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3855 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3856 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3857 WIPHY_WOWLAN_4WAY_HANDSHAKE,
3858 .n_patterns = WOW_MAX_FILTERS_PER_LIST,
3859 .pattern_min_len = 1,
3860 .pattern_max_len = WOW_PATTERN_SIZE,
3864 int ath6kl_cfg80211_init(struct ath6kl *ar)
3866 struct wiphy *wiphy = ar->wiphy;
3867 bool band_2gig = false, band_5gig = false, ht = false;
3870 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3872 wiphy->max_remain_on_channel_duration = 5000;
3874 /* set device pointer for wiphy */
3875 set_wiphy_dev(wiphy, ar->dev);
3877 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3878 BIT(NL80211_IFTYPE_ADHOC) |
3879 BIT(NL80211_IFTYPE_AP);
3881 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3882 BIT(NL80211_IFTYPE_P2P_CLIENT);
3885 if (IS_ENABLED(CONFIG_ATH6KL_REGDOMAIN) &&
3886 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
3887 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
3888 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3891 /* max num of ssids that can be probed during scanning */
3892 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
3894 /* max num of ssids that can be matched after scan */
3895 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3896 ar->fw_capabilities))
3897 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3899 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3900 switch (ar->hw.cap) {
3918 ath6kl_err("invalid phy capability!\n");
3923 * Even if the fw has HT support, advertise HT cap only when
3924 * the firmware has support to override RSN capability, otherwise
3925 * 4-way handshake would fail.
3928 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3929 ar->fw_capabilities))) {
3930 ath6kl_band_2ghz.ht_cap.cap = 0;
3931 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3932 ath6kl_band_5ghz.ht_cap.cap = 0;
3933 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3936 ath6kl_err("Firmware lacks RSN-CAP-OVERRIDE, so HT (802.11n) is disabled.");
3939 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
3940 ar->fw_capabilities)) {
3941 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3942 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3943 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3944 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3945 ar->hw.tx_ant = 0x3; /* mask, 2 antenna */
3946 ar->hw.rx_ant = 0x3;
3948 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3949 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3954 wiphy->available_antennas_tx = ar->hw.tx_ant;
3955 wiphy->available_antennas_rx = ar->hw.rx_ant;
3958 wiphy->bands[NL80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3960 wiphy->bands[NL80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3962 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3964 wiphy->cipher_suites = cipher_suites;
3965 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3968 wiphy->wowlan = &ath6kl_wowlan_support;
3971 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
3973 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3974 WIPHY_FLAG_HAVE_AP_SME |
3975 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3976 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3978 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
3979 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3981 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3982 ar->fw_capabilities))
3983 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
3985 ar->wiphy->probe_resp_offload =
3986 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3987 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3988 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3990 ret = wiphy_register(wiphy);
3992 ath6kl_err("couldn't register wiphy device\n");
3996 ar->wiphy_registered = true;
4001 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
4003 wiphy_unregister(ar->wiphy);
4005 ar->wiphy_registered = false;
4008 struct ath6kl *ath6kl_cfg80211_create(void)
4011 struct wiphy *wiphy;
4013 /* create a new wiphy for use with cfg80211 */
4014 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
4017 ath6kl_err("couldn't allocate wiphy device\n");
4021 ar = wiphy_priv(wiphy);
4027 /* Note: ar variable must not be accessed after calling this! */
4028 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
4032 for (i = 0; i < AP_MAX_NUM_STA; i++)
4033 kfree(ar->sta_list[i].aggr_conn);
4035 wiphy_free(ar->wiphy);