2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 #include <linux/moduleparam.h>
21 #include <linux/inetdevice.h>
22 #include <linux/export.h>
30 #define RATETAB_ENT(_rate, _rateid, _flags) { \
33 .hw_value = (_rateid), \
36 #define CHAN2G(_channel, _freq, _flags) { \
37 .band = NL80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
41 .max_antenna_gain = 0, \
45 #define CHAN5G(_channel, _flags) { \
46 .band = NL80211_BAND_5GHZ, \
47 .hw_value = (_channel), \
48 .center_freq = 5000 + (5 * (_channel)), \
50 .max_antenna_gain = 0, \
54 #define DEFAULT_BG_SCAN_PERIOD 60
56 struct ath6kl_cfg80211_match_probe_ssid {
57 struct cfg80211_ssid ssid;
61 static struct ieee80211_rate ath6kl_rates[] = {
62 RATETAB_ENT(10, 0x1, 0),
63 RATETAB_ENT(20, 0x2, 0),
64 RATETAB_ENT(55, 0x4, 0),
65 RATETAB_ENT(110, 0x8, 0),
66 RATETAB_ENT(60, 0x10, 0),
67 RATETAB_ENT(90, 0x20, 0),
68 RATETAB_ENT(120, 0x40, 0),
69 RATETAB_ENT(180, 0x80, 0),
70 RATETAB_ENT(240, 0x100, 0),
71 RATETAB_ENT(360, 0x200, 0),
72 RATETAB_ENT(480, 0x400, 0),
73 RATETAB_ENT(540, 0x800, 0),
76 #define ath6kl_a_rates (ath6kl_rates + 4)
77 #define ath6kl_a_rates_size 8
78 #define ath6kl_g_rates (ath6kl_rates + 0)
79 #define ath6kl_g_rates_size 12
81 #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
82 #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
83 IEEE80211_HT_CAP_SGI_20 | \
84 IEEE80211_HT_CAP_SGI_40)
86 static struct ieee80211_channel ath6kl_2ghz_channels[] = {
103 static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
104 CHAN5G(34, 0), CHAN5G(36, 0),
105 CHAN5G(38, 0), CHAN5G(40, 0),
106 CHAN5G(42, 0), CHAN5G(44, 0),
107 CHAN5G(46, 0), CHAN5G(48, 0),
108 CHAN5G(52, 0), CHAN5G(56, 0),
109 CHAN5G(60, 0), CHAN5G(64, 0),
110 CHAN5G(100, 0), CHAN5G(104, 0),
111 CHAN5G(108, 0), CHAN5G(112, 0),
112 CHAN5G(116, 0), CHAN5G(120, 0),
113 CHAN5G(124, 0), CHAN5G(128, 0),
114 CHAN5G(132, 0), CHAN5G(136, 0),
115 CHAN5G(140, 0), CHAN5G(149, 0),
116 CHAN5G(153, 0), CHAN5G(157, 0),
117 CHAN5G(161, 0), CHAN5G(165, 0),
118 CHAN5G(184, 0), CHAN5G(188, 0),
119 CHAN5G(192, 0), CHAN5G(196, 0),
120 CHAN5G(200, 0), CHAN5G(204, 0),
121 CHAN5G(208, 0), CHAN5G(212, 0),
125 static struct ieee80211_supported_band ath6kl_band_2ghz = {
126 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
127 .channels = ath6kl_2ghz_channels,
128 .n_bitrates = ath6kl_g_rates_size,
129 .bitrates = ath6kl_g_rates,
130 .ht_cap.cap = ath6kl_g_htcap,
131 .ht_cap.ht_supported = true,
134 static struct ieee80211_supported_band ath6kl_band_5ghz = {
135 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
136 .channels = ath6kl_5ghz_a_channels,
137 .n_bitrates = ath6kl_a_rates_size,
138 .bitrates = ath6kl_a_rates,
139 .ht_cap.cap = ath6kl_a_htcap,
140 .ht_cap.ht_supported = true,
143 #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
145 /* returns true if scheduled scan was stopped */
146 static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
148 struct ath6kl *ar = vif->ar;
150 if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
153 del_timer_sync(&vif->sched_scan_timer);
155 if (ar->state == ATH6KL_STATE_RECOVERY)
158 ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
163 static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
165 struct ath6kl *ar = vif->ar;
168 stopped = __ath6kl_cfg80211_sscan_stop(vif);
173 cfg80211_sched_scan_stopped(ar->wiphy);
176 static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
177 enum nl80211_wpa_versions wpa_version)
179 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
182 vif->auth_mode = NONE_AUTH;
183 } else if (wpa_version & NL80211_WPA_VERSION_2) {
184 vif->auth_mode = WPA2_AUTH;
185 } else if (wpa_version & NL80211_WPA_VERSION_1) {
186 vif->auth_mode = WPA_AUTH;
188 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
195 static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
196 enum nl80211_auth_type auth_type)
198 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
201 case NL80211_AUTHTYPE_OPEN_SYSTEM:
202 vif->dot11_auth_mode = OPEN_AUTH;
204 case NL80211_AUTHTYPE_SHARED_KEY:
205 vif->dot11_auth_mode = SHARED_AUTH;
207 case NL80211_AUTHTYPE_NETWORK_EAP:
208 vif->dot11_auth_mode = LEAP_AUTH;
211 case NL80211_AUTHTYPE_AUTOMATIC:
212 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
216 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
223 static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
225 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
226 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
227 &vif->grp_crypto_len;
229 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
230 __func__, cipher, ucast);
234 /* our own hack to use value 0 as no crypto used */
235 *ar_cipher = NONE_CRYPT;
238 case WLAN_CIPHER_SUITE_WEP40:
239 *ar_cipher = WEP_CRYPT;
242 case WLAN_CIPHER_SUITE_WEP104:
243 *ar_cipher = WEP_CRYPT;
246 case WLAN_CIPHER_SUITE_TKIP:
247 *ar_cipher = TKIP_CRYPT;
250 case WLAN_CIPHER_SUITE_CCMP:
251 *ar_cipher = AES_CRYPT;
254 case WLAN_CIPHER_SUITE_SMS4:
255 *ar_cipher = WAPI_CRYPT;
259 ath6kl_err("cipher 0x%x not supported\n", cipher);
266 static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
268 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
270 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
271 if (vif->auth_mode == WPA_AUTH)
272 vif->auth_mode = WPA_PSK_AUTH;
273 else if (vif->auth_mode == WPA2_AUTH)
274 vif->auth_mode = WPA2_PSK_AUTH;
275 } else if (key_mgmt == 0x00409600) {
276 if (vif->auth_mode == WPA_AUTH)
277 vif->auth_mode = WPA_AUTH_CCKM;
278 else if (vif->auth_mode == WPA2_AUTH)
279 vif->auth_mode = WPA2_AUTH_CCKM;
280 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
281 vif->auth_mode = NONE_AUTH;
285 static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
287 struct ath6kl *ar = vif->ar;
289 if (!test_bit(WMI_READY, &ar->flag)) {
290 ath6kl_err("wmi is not ready\n");
294 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
295 ath6kl_err("wlan disabled\n");
302 static bool ath6kl_is_wpa_ie(const u8 *pos)
304 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
305 pos[2] == 0x00 && pos[3] == 0x50 &&
306 pos[4] == 0xf2 && pos[5] == 0x01;
309 static bool ath6kl_is_rsn_ie(const u8 *pos)
311 return pos[0] == WLAN_EID_RSN;
314 static bool ath6kl_is_wps_ie(const u8 *pos)
316 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
318 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
322 static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
325 struct ath6kl *ar = vif->ar;
332 * Clear previously set flag
335 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
338 * Filter out RSN/WPA IE(s)
341 if (ies && ies_len) {
342 buf = kmalloc(ies_len, GFP_KERNEL);
347 while (pos + 1 < ies + ies_len) {
348 if (pos + 2 + pos[1] > ies + ies_len)
350 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
351 memcpy(buf + len, pos, 2 + pos[1]);
355 if (ath6kl_is_wps_ie(pos))
356 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
362 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
363 WMI_FRAME_ASSOC_REQ, buf, len);
368 static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
371 case NL80211_IFTYPE_STATION:
372 case NL80211_IFTYPE_P2P_CLIENT:
373 *nw_type = INFRA_NETWORK;
375 case NL80211_IFTYPE_ADHOC:
376 *nw_type = ADHOC_NETWORK;
378 case NL80211_IFTYPE_AP:
379 case NL80211_IFTYPE_P2P_GO:
380 *nw_type = AP_NETWORK;
383 ath6kl_err("invalid interface type %u\n", type);
390 static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
391 u8 *if_idx, u8 *nw_type)
395 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
398 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
402 if (type == NL80211_IFTYPE_STATION ||
403 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
404 for (i = 0; i < ar->vif_max; i++) {
405 if ((ar->avail_idx_map) & BIT(i)) {
412 if (type == NL80211_IFTYPE_P2P_CLIENT ||
413 type == NL80211_IFTYPE_P2P_GO) {
414 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
415 if ((ar->avail_idx_map) & BIT(i)) {
425 static bool ath6kl_is_tx_pending(struct ath6kl *ar)
427 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
430 static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif,
435 if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag)))
438 if (vif->nw_type != INFRA_NETWORK)
441 if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
442 vif->ar->fw_capabilities))
445 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n",
446 enable ? "enable" : "disable");
448 err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi,
449 vif->fw_vif_idx, enable);
451 ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
452 enable ? "enable" : "disable", err);
455 static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
456 struct cfg80211_connect_params *sme)
458 struct ath6kl *ar = ath6kl_priv(dev);
459 struct ath6kl_vif *vif = netdev_priv(dev);
461 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
464 ath6kl_cfg80211_sscan_disable(vif);
466 vif->sme_state = SME_CONNECTING;
468 if (!ath6kl_cfg80211_ready(vif))
471 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
472 ath6kl_err("destroy in progress\n");
476 if (test_bit(SKIP_SCAN, &ar->flag) &&
477 ((sme->channel && sme->channel->center_freq == 0) ||
478 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
479 ath6kl_err("SkipScan: channel or bssid invalid\n");
483 if (down_interruptible(&ar->sem)) {
484 ath6kl_err("busy, couldn't get access\n");
488 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
489 ath6kl_err("busy, destroy in progress\n");
494 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
496 * sleep until the command queue drains
498 wait_event_interruptible_timeout(ar->event_wq,
499 ath6kl_is_tx_pending(ar),
501 if (signal_pending(current)) {
502 ath6kl_err("cmd queue drain timeout\n");
508 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
514 if (sme->ie == NULL || sme->ie_len == 0)
515 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
517 if (test_bit(CONNECTED, &vif->flags) &&
518 vif->ssid_len == sme->ssid_len &&
519 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
520 vif->reconnect_flag = true;
521 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
527 ath6kl_err("wmi_reconnect_cmd failed\n");
531 } else if (vif->ssid_len == sme->ssid_len &&
532 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
533 ath6kl_disconnect(vif);
536 memset(vif->ssid, 0, sizeof(vif->ssid));
537 vif->ssid_len = sme->ssid_len;
538 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
541 vif->ch_hint = sme->channel->center_freq;
543 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
544 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
545 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
547 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
549 status = ath6kl_set_auth_type(vif, sme->auth_type);
555 if (sme->crypto.n_ciphers_pairwise)
556 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
558 ath6kl_set_cipher(vif, 0, true);
560 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
562 if (sme->crypto.n_akm_suites)
563 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
565 if ((sme->key_len) &&
566 (vif->auth_mode == NONE_AUTH) &&
567 (vif->prwise_crypto == WEP_CRYPT)) {
568 struct ath6kl_key *key = NULL;
570 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
571 ath6kl_err("key index %d out of bounds\n",
577 key = &vif->keys[sme->key_idx];
578 key->key_len = sme->key_len;
579 memcpy(key->key, sme->key, key->key_len);
580 key->cipher = vif->prwise_crypto;
581 vif->def_txkey_index = sme->key_idx;
583 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
585 GROUP_USAGE | TX_USAGE,
588 key->key, KEY_OP_INIT_VAL, NULL,
592 if (!ar->usr_bss_filter) {
593 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
594 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
595 ALL_BSS_FILTER, 0) != 0) {
596 ath6kl_err("couldn't set bss filtering\n");
602 vif->nw_type = vif->next_mode;
604 /* enable enhanced bmiss detection if applicable */
605 ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
607 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
608 nw_subtype = SUBTYPE_P2PCLIENT;
610 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
611 "%s: connect called with authmode %d dot11 auth %d"
612 " PW crypto %d PW crypto len %d GRP crypto %d"
613 " GRP crypto len %d channel hint %u\n",
615 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
616 vif->prwise_crypto_len, vif->grp_crypto,
617 vif->grp_crypto_len, vif->ch_hint);
619 vif->reconnect_flag = 0;
621 if (vif->nw_type == INFRA_NETWORK) {
622 interval = max_t(u16, vif->listen_intvl_t,
623 ATH6KL_MAX_WOW_LISTEN_INTL);
624 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
628 ath6kl_err("couldn't set listen intervel\n");
634 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
635 vif->dot11_auth_mode, vif->auth_mode,
637 vif->prwise_crypto_len,
638 vif->grp_crypto, vif->grp_crypto_len,
639 vif->ssid_len, vif->ssid,
640 vif->req_bssid, vif->ch_hint,
641 ar->connect_ctrl_flags, nw_subtype);
643 if (sme->bg_scan_period == 0) {
644 /* disable background scan if period is 0 */
645 sme->bg_scan_period = 0xffff;
646 } else if (sme->bg_scan_period == -1) {
647 /* configure default value if not specified */
648 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
651 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0,
652 sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
656 if (status == -EINVAL) {
657 memset(vif->ssid, 0, sizeof(vif->ssid));
659 ath6kl_err("invalid request\n");
662 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
666 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
667 ((vif->auth_mode == WPA_PSK_AUTH) ||
668 (vif->auth_mode == WPA2_PSK_AUTH))) {
669 mod_timer(&vif->disconnect_timer,
670 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
673 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
674 set_bit(CONNECT_PEND, &vif->flags);
679 static struct cfg80211_bss *
680 ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
681 enum network_type nw_type,
683 struct ieee80211_channel *chan,
685 size_t beacon_ie_len)
687 struct ath6kl *ar = vif->ar;
688 struct cfg80211_bss *bss;
690 enum ieee80211_bss_type bss_type;
693 if (nw_type & ADHOC_NETWORK) {
694 cap_val = WLAN_CAPABILITY_IBSS;
695 bss_type = IEEE80211_BSS_TYPE_IBSS;
697 cap_val = WLAN_CAPABILITY_ESS;
698 bss_type = IEEE80211_BSS_TYPE_ESS;
701 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
702 vif->ssid, vif->ssid_len,
703 bss_type, IEEE80211_PRIVACY_ANY);
706 * Since cfg80211 may not yet know about the BSS,
707 * generate a partial entry until the first BSS info
708 * event becomes available.
710 * Prepend SSID element since it is not included in the Beacon
711 * IEs from the target.
713 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
716 ie[0] = WLAN_EID_SSID;
717 ie[1] = vif->ssid_len;
718 memcpy(ie + 2, vif->ssid, vif->ssid_len);
719 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
720 bss = cfg80211_inform_bss(ar->wiphy, chan,
721 CFG80211_BSS_FTYPE_UNKNOWN,
722 bssid, 0, cap_val, 100,
723 ie, 2 + vif->ssid_len + beacon_ie_len,
726 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
727 "added bss %pM to cfg80211\n", bssid);
730 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
736 void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
737 u8 *bssid, u16 listen_intvl,
739 enum network_type nw_type,
740 u8 beacon_ie_len, u8 assoc_req_len,
741 u8 assoc_resp_len, u8 *assoc_info)
743 struct ieee80211_channel *chan;
744 struct ath6kl *ar = vif->ar;
745 struct cfg80211_bss *bss;
747 /* capinfo + listen interval */
748 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
750 /* capinfo + status code + associd */
751 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
753 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
754 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
755 assoc_resp_ie_offset;
757 assoc_req_len -= assoc_req_ie_offset;
758 assoc_resp_len -= assoc_resp_ie_offset;
761 * Store Beacon interval here; DTIM period will be available only once
762 * a Beacon frame from the AP is seen.
764 vif->assoc_bss_beacon_int = beacon_intvl;
765 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
767 if (nw_type & ADHOC_NETWORK) {
768 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
769 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
770 "%s: ath6k not in ibss mode\n", __func__);
775 if (nw_type & INFRA_NETWORK) {
776 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
777 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
778 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
779 "%s: ath6k not in station mode\n", __func__);
784 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
786 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
787 assoc_info, beacon_ie_len);
789 ath6kl_err("could not add cfg80211 bss entry\n");
793 if (nw_type & ADHOC_NETWORK) {
794 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
795 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
796 cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL);
797 cfg80211_put_bss(ar->wiphy, bss);
801 if (vif->sme_state == SME_CONNECTING) {
802 /* inform connect result to cfg80211 */
803 vif->sme_state = SME_CONNECTED;
804 cfg80211_connect_result(vif->ndev, bssid,
805 assoc_req_ie, assoc_req_len,
806 assoc_resp_ie, assoc_resp_len,
807 WLAN_STATUS_SUCCESS, GFP_KERNEL);
808 cfg80211_put_bss(ar->wiphy, bss);
809 } else if (vif->sme_state == SME_CONNECTED) {
810 /* inform roam event to cfg80211 */
811 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
812 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
816 static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
817 struct net_device *dev, u16 reason_code)
819 struct ath6kl *ar = ath6kl_priv(dev);
820 struct ath6kl_vif *vif = netdev_priv(dev);
822 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
825 ath6kl_cfg80211_sscan_disable(vif);
827 if (!ath6kl_cfg80211_ready(vif))
830 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
831 ath6kl_err("busy, destroy in progress\n");
835 if (down_interruptible(&ar->sem)) {
836 ath6kl_err("busy, couldn't get access\n");
840 vif->reconnect_flag = 0;
841 ath6kl_disconnect(vif);
842 memset(vif->ssid, 0, sizeof(vif->ssid));
845 if (!test_bit(SKIP_SCAN, &ar->flag))
846 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
850 vif->sme_state = SME_DISCONNECTED;
855 void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
856 u8 *bssid, u8 assoc_resp_len,
857 u8 *assoc_info, u16 proto_reason)
859 struct ath6kl *ar = vif->ar;
862 struct cfg80211_scan_info info = {
866 cfg80211_scan_done(vif->scan_req, &info);
867 vif->scan_req = NULL;
870 if (vif->nw_type & ADHOC_NETWORK) {
871 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC)
872 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
873 "%s: ath6k not in ibss mode\n", __func__);
877 if (vif->nw_type & INFRA_NETWORK) {
878 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
879 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
880 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
881 "%s: ath6k not in station mode\n", __func__);
886 clear_bit(CONNECT_PEND, &vif->flags);
888 if (vif->sme_state == SME_CONNECTING) {
889 cfg80211_connect_result(vif->ndev,
892 WLAN_STATUS_UNSPECIFIED_FAILURE,
894 } else if (vif->sme_state == SME_CONNECTED) {
895 cfg80211_disconnected(vif->ndev, proto_reason,
896 NULL, 0, false, GFP_KERNEL);
899 vif->sme_state = SME_DISCONNECTED;
902 * Send a disconnect command to target when a disconnect event is
903 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
904 * request from host) to make the firmware stop trying to connect even
905 * after giving disconnect event. There will be one more disconnect
906 * event for this disconnect command with reason code DISCONNECT_CMD
907 * which won't be notified to cfg80211.
909 if (reason != DISCONNECT_CMD)
910 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
913 static int ath6kl_set_probed_ssids(struct ath6kl *ar,
914 struct ath6kl_vif *vif,
915 struct cfg80211_ssid *ssids, int n_ssids,
916 struct cfg80211_match_set *match_set,
919 u8 i, j, index_to_add, ssid_found = false;
920 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
922 memset(ssid_list, 0, sizeof(ssid_list));
924 if (n_ssids > MAX_PROBED_SSIDS ||
925 n_match_ssid > MAX_PROBED_SSIDS)
928 for (i = 0; i < n_ssids; i++) {
929 memcpy(ssid_list[i].ssid.ssid,
932 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
934 if (ssids[i].ssid_len)
935 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
937 ssid_list[i].flag = ANY_SSID_FLAG;
939 if (n_match_ssid == 0)
940 ssid_list[i].flag |= MATCH_SSID_FLAG;
945 for (i = 0; i < n_match_ssid; i++) {
948 for (j = 0; j < n_ssids; j++) {
949 if ((match_set[i].ssid.ssid_len ==
950 ssid_list[j].ssid.ssid_len) &&
951 (!memcmp(ssid_list[j].ssid.ssid,
952 match_set[i].ssid.ssid,
953 match_set[i].ssid.ssid_len))) {
954 ssid_list[j].flag |= MATCH_SSID_FLAG;
963 if (index_to_add >= MAX_PROBED_SSIDS)
966 ssid_list[index_to_add].ssid.ssid_len =
967 match_set[i].ssid.ssid_len;
968 memcpy(ssid_list[index_to_add].ssid.ssid,
969 match_set[i].ssid.ssid,
970 match_set[i].ssid.ssid_len);
971 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
975 for (i = 0; i < index_to_add; i++) {
976 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
978 ssid_list[i].ssid.ssid_len,
979 ssid_list[i].ssid.ssid);
982 /* Make sure no old entries are left behind */
983 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
984 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
985 DISABLE_SSID_FLAG, 0, NULL);
991 static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
992 struct cfg80211_scan_request *request)
994 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
995 struct ath6kl *ar = ath6kl_priv(vif->ndev);
997 u16 *channels = NULL;
999 u32 force_fg_scan = 0;
1001 if (!ath6kl_cfg80211_ready(vif))
1004 ath6kl_cfg80211_sscan_disable(vif);
1006 if (!ar->usr_bss_filter) {
1007 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1008 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1011 ath6kl_err("couldn't set bss filtering\n");
1016 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
1017 request->n_ssids, NULL, 0);
1021 /* this also clears IE in fw if it's not set */
1022 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1023 WMI_FRAME_PROBE_REQ,
1024 request->ie, request->ie_len);
1026 ath6kl_err("failed to set Probe Request appie for scan\n");
1031 * Scan only the requested channels if the request specifies a set of
1032 * channels. If the list is longer than the target supports, do not
1033 * configure the list and instead, scan all available channels.
1035 if (request->n_channels > 0 &&
1036 request->n_channels <= WMI_MAX_CHANNELS) {
1039 n_channels = request->n_channels;
1041 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1042 if (channels == NULL) {
1043 ath6kl_warn("failed to set scan channels, scan all channels");
1047 for (i = 0; i < n_channels; i++)
1048 channels[i] = request->channels[i]->center_freq;
1051 if (test_bit(CONNECTED, &vif->flags))
1054 vif->scan_req = request;
1056 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1057 WMI_LONG_SCAN, force_fg_scan,
1059 ATH6KL_FG_SCAN_INTERVAL,
1060 n_channels, channels,
1064 ath6kl_err("failed to start scan: %d\n", ret);
1065 vif->scan_req = NULL;
1073 void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1075 struct ath6kl *ar = vif->ar;
1076 struct cfg80211_scan_info info = {
1081 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1082 aborted ? " aborted" : "");
1090 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1091 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1092 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1093 i + 1, DISABLE_SSID_FLAG,
1099 cfg80211_scan_done(vif->scan_req, &info);
1100 vif->scan_req = NULL;
1103 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1104 enum wmi_phy_mode mode)
1106 struct cfg80211_chan_def chandef;
1108 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1109 "channel switch notify nw_type %d freq %d mode %d\n",
1110 vif->nw_type, freq, mode);
1112 cfg80211_chandef_create(&chandef,
1113 ieee80211_get_channel(vif->ar->wiphy, freq),
1114 (mode == WMI_11G_HT20) ?
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 != 0,
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);
2982 /* Restore ht setting in firmware */
2983 return ath6kl_restore_htcap(vif);
2986 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2988 static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2989 struct station_del_parameters *params)
2991 struct ath6kl *ar = ath6kl_priv(dev);
2992 struct ath6kl_vif *vif = netdev_priv(dev);
2993 const u8 *addr = params->mac ? params->mac : bcast_addr;
2995 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2996 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2999 static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
3001 struct station_parameters *params)
3003 struct ath6kl *ar = ath6kl_priv(dev);
3004 struct ath6kl_vif *vif = netdev_priv(dev);
3007 if (vif->nw_type != AP_NETWORK)
3010 err = cfg80211_check_station_change(wiphy, params,
3011 CFG80211_STA_AP_MLME_CLIENT);
3015 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
3016 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3017 WMI_AP_MLME_AUTHORIZE, mac, 0);
3018 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3019 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
3022 static int ath6kl_remain_on_channel(struct wiphy *wiphy,
3023 struct wireless_dev *wdev,
3024 struct ieee80211_channel *chan,
3025 unsigned int duration,
3028 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3029 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3032 /* TODO: if already pending or ongoing remain-on-channel,
3034 id = ++vif->last_roc_id;
3036 /* Do not use 0 as the cookie value */
3037 id = ++vif->last_roc_id;
3041 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3042 chan->center_freq, duration);
3045 static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
3046 struct wireless_dev *wdev,
3049 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3050 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3052 if (cookie != vif->last_roc_id)
3054 vif->last_cancel_roc_id = cookie;
3056 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
3059 static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3060 const u8 *buf, size_t len,
3063 struct ath6kl *ar = vif->ar;
3068 const struct ieee80211_mgmt *mgmt;
3070 mgmt = (const struct ieee80211_mgmt *) buf;
3072 /* Include P2P IE(s) from the frame generated in user space. */
3074 p2p = kmalloc(len, GFP_KERNEL);
3079 pos = mgmt->u.probe_resp.variable;
3080 while (pos + 1 < buf + len) {
3081 if (pos + 2 + pos[1] > buf + len)
3083 if (ath6kl_is_p2p_ie(pos)) {
3084 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3085 p2p_len += 2 + pos[1];
3090 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3091 mgmt->da, p2p, p2p_len);
3096 static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3105 struct ieee80211_mgmt *mgmt;
3106 struct ath6kl_sta *conn;
3107 bool is_psq_empty = false;
3108 struct ath6kl_mgmt_buff *mgmt_buf;
3109 size_t mgmt_buf_size;
3110 struct ath6kl *ar = vif->ar;
3112 mgmt = (struct ieee80211_mgmt *) buf;
3113 if (is_multicast_ether_addr(mgmt->da))
3116 conn = ath6kl_find_sta(vif, mgmt->da);
3120 if (conn->sta_flags & STA_PS_SLEEP) {
3121 if (!(conn->sta_flags & STA_PS_POLLED)) {
3122 /* Queue the frames if the STA is sleeping */
3123 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3124 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3128 INIT_LIST_HEAD(&mgmt_buf->list);
3130 mgmt_buf->freq = freq;
3131 mgmt_buf->wait = wait;
3132 mgmt_buf->len = len;
3133 mgmt_buf->no_cck = no_cck;
3134 memcpy(mgmt_buf->buf, buf, len);
3135 spin_lock_bh(&conn->psq_lock);
3136 is_psq_empty = skb_queue_empty(&conn->psq) &&
3137 (conn->mgmt_psq_len == 0);
3138 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3139 conn->mgmt_psq_len++;
3140 spin_unlock_bh(&conn->psq_lock);
3143 * If this is the first pkt getting queued
3144 * for this STA, update the PVB for this
3148 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3154 * This tx is because of a PsPoll.
3155 * Determine if MoreData bit has to be set.
3157 spin_lock_bh(&conn->psq_lock);
3158 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3160 spin_unlock_bh(&conn->psq_lock);
3166 /* Check if SSID length is greater than DIRECT- */
3167 static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3169 const struct ieee80211_mgmt *mgmt;
3170 mgmt = (const struct ieee80211_mgmt *) buf;
3172 /* variable[1] contains the SSID tag length */
3173 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3174 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3181 static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3182 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
3184 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3185 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3186 struct ieee80211_channel *chan = params->chan;
3187 const u8 *buf = params->buf;
3188 size_t len = params->len;
3189 unsigned int wait = params->wait;
3190 bool no_cck = params->no_cck;
3192 const struct ieee80211_mgmt *mgmt;
3193 bool more_data, queued;
3195 /* default to the current channel, but use the one specified as argument
3198 freq = vif->ch_hint;
3200 freq = chan->center_freq;
3202 /* never send freq zero to the firmware */
3203 if (WARN_ON(freq == 0))
3206 mgmt = (const struct ieee80211_mgmt *) buf;
3207 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3208 ieee80211_is_probe_resp(mgmt->frame_control) &&
3209 ath6kl_is_p2p_go_ssid(buf, len)) {
3211 * Send Probe Response frame in GO mode using a separate WMI
3212 * command to allow the target to fill in the generic IEs.
3214 *cookie = 0; /* TX status not supported */
3215 return ath6kl_send_go_probe_resp(vif, buf, len, freq);
3218 id = vif->send_action_id++;
3221 * 0 is a reserved value in the WMI command and shall not be
3222 * used for the command.
3224 id = vif->send_action_id++;
3229 /* AP mode Power saving processing */
3230 if (vif->nw_type == AP_NETWORK) {
3231 queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,
3232 &more_data, no_cck);
3237 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,
3238 wait, buf, len, no_cck);
3241 static int ath6kl_get_antenna(struct wiphy *wiphy,
3242 u32 *tx_ant, u32 *rx_ant)
3244 struct ath6kl *ar = wiphy_priv(wiphy);
3245 *tx_ant = ar->hw.tx_ant;
3246 *rx_ant = ar->hw.rx_ant;
3250 static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3251 struct wireless_dev *wdev,
3252 u16 frame_type, bool reg)
3254 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3256 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3257 __func__, frame_type, reg);
3258 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3260 * Note: This notification callback is not allowed to sleep, so
3261 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3262 * hardcode target to report Probe Request frames all the time.
3264 vif->probe_req_report = reg;
3268 static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3269 struct net_device *dev,
3270 struct cfg80211_sched_scan_request *request)
3272 struct ath6kl *ar = ath6kl_priv(dev);
3273 struct ath6kl_vif *vif = netdev_priv(dev);
3275 int ret, rssi_thold;
3276 int n_match_sets = request->n_match_sets;
3279 * If there's a matchset w/o an SSID, then assume it's just for
3280 * the RSSI (nothing else is currently supported) and ignore it.
3281 * The device only supports a global RSSI filter that we set below.
3283 if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len)
3286 if (ar->state != ATH6KL_STATE_ON)
3289 if (vif->sme_state != SME_DISCONNECTED)
3292 ath6kl_cfg80211_scan_complete_event(vif, true);
3294 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3296 request->match_sets,
3301 if (!n_match_sets) {
3302 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3307 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3308 MATCHED_SSID_FILTER, 0);
3313 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3314 ar->fw_capabilities)) {
3315 if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
3317 else if (request->min_rssi_thold < -127)
3320 rssi_thold = request->min_rssi_thold;
3322 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3325 ath6kl_err("failed to set RSSI threshold for scan\n");
3330 /* fw uses seconds, also make sure that it's >0 */
3331 interval = max_t(u16, 1, request->scan_plans[0].interval);
3333 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3335 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3337 /* this also clears IE in fw if it's not set */
3338 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3339 WMI_FRAME_PROBE_REQ,
3340 request->ie, request->ie_len);
3342 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3347 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3351 set_bit(SCHED_SCANNING, &vif->flags);
3356 static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3357 struct net_device *dev)
3359 struct ath6kl_vif *vif = netdev_priv(dev);
3362 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3370 static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3371 struct net_device *dev,
3373 const struct cfg80211_bitrate_mask *mask)
3375 struct ath6kl *ar = ath6kl_priv(dev);
3376 struct ath6kl_vif *vif = netdev_priv(dev);
3378 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3382 static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3383 struct net_device *dev,
3384 u32 rate, u32 pkts, u32 intvl)
3386 struct ath6kl *ar = ath6kl_priv(dev);
3387 struct ath6kl_vif *vif = netdev_priv(dev);
3389 if (vif->nw_type != INFRA_NETWORK ||
3390 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3393 if (vif->sme_state != SME_CONNECTED)
3396 /* save this since the firmware won't report the interval */
3397 vif->txe_intvl = intvl;
3399 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3403 static const struct ieee80211_txrx_stypes
3404 ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3405 [NL80211_IFTYPE_STATION] = {
3406 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3407 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3408 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3409 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3411 [NL80211_IFTYPE_AP] = {
3412 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3413 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3414 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3415 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3417 [NL80211_IFTYPE_P2P_CLIENT] = {
3418 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3419 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3420 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3421 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3423 [NL80211_IFTYPE_P2P_GO] = {
3424 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3425 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3426 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3427 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3431 static struct cfg80211_ops ath6kl_cfg80211_ops = {
3432 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3433 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3434 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3435 .scan = ath6kl_cfg80211_scan,
3436 .connect = ath6kl_cfg80211_connect,
3437 .disconnect = ath6kl_cfg80211_disconnect,
3438 .add_key = ath6kl_cfg80211_add_key,
3439 .get_key = ath6kl_cfg80211_get_key,
3440 .del_key = ath6kl_cfg80211_del_key,
3441 .set_default_key = ath6kl_cfg80211_set_default_key,
3442 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3443 .set_tx_power = ath6kl_cfg80211_set_txpower,
3444 .get_tx_power = ath6kl_cfg80211_get_txpower,
3445 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3446 .join_ibss = ath6kl_cfg80211_join_ibss,
3447 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3448 .get_station = ath6kl_get_station,
3449 .set_pmksa = ath6kl_set_pmksa,
3450 .del_pmksa = ath6kl_del_pmksa,
3451 .flush_pmksa = ath6kl_flush_pmksa,
3452 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3454 .suspend = __ath6kl_cfg80211_suspend,
3455 .resume = __ath6kl_cfg80211_resume,
3457 .start_ap = ath6kl_start_ap,
3458 .change_beacon = ath6kl_change_beacon,
3459 .stop_ap = ath6kl_stop_ap,
3460 .del_station = ath6kl_del_station,
3461 .change_station = ath6kl_change_station,
3462 .remain_on_channel = ath6kl_remain_on_channel,
3463 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3464 .mgmt_tx = ath6kl_mgmt_tx,
3465 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3466 .get_antenna = ath6kl_get_antenna,
3467 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3468 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3469 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
3470 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
3473 void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3475 ath6kl_cfg80211_sscan_disable(vif);
3477 switch (vif->sme_state) {
3478 case SME_DISCONNECTED:
3480 case SME_CONNECTING:
3481 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3483 WLAN_STATUS_UNSPECIFIED_FAILURE,
3487 cfg80211_disconnected(vif->ndev, 0, NULL, 0, true, GFP_KERNEL);
3491 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3492 (test_bit(CONNECTED, &vif->flags) ||
3493 test_bit(CONNECT_PEND, &vif->flags)))
3494 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3496 vif->sme_state = SME_DISCONNECTED;
3497 clear_bit(CONNECTED, &vif->flags);
3498 clear_bit(CONNECT_PEND, &vif->flags);
3500 /* Stop netdev queues, needed during recovery */
3501 netif_stop_queue(vif->ndev);
3502 netif_carrier_off(vif->ndev);
3504 /* disable scanning */
3505 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3506 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3507 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3508 ath6kl_warn("failed to disable scan during stop\n");
3510 ath6kl_cfg80211_scan_complete_event(vif, true);
3513 void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3515 struct ath6kl_vif *vif;
3517 vif = ath6kl_vif_first(ar);
3518 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
3519 /* save the current power mode before enabling power save */
3520 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3522 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3523 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3528 * FIXME: we should take ar->list_lock to protect changes in the
3529 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3532 list_for_each_entry(vif, &ar->vif_list, list)
3533 ath6kl_cfg80211_stop(vif);
3536 static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3537 struct regulatory_request *request)
3539 struct ath6kl *ar = wiphy_priv(wiphy);
3540 u32 rates[NUM_NL80211_BANDS];
3543 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
3544 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
3545 request->alpha2[0], request->alpha2[1],
3546 request->intersect ? " intersect" : "",
3547 request->processed ? " processed" : "",
3548 request->initiator, request->user_reg_hint_type);
3550 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
3553 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3555 ath6kl_err("failed to set regdomain: %d\n", ret);
3560 * Firmware will apply the regdomain change only after a scan is
3561 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3565 for (i = 0; i < NUM_NL80211_BANDS; i++)
3566 if (wiphy->bands[i])
3567 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3570 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3571 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3572 0, NULL, false, rates);
3574 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3580 static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3582 vif->aggr_cntxt = aggr_init(vif);
3583 if (!vif->aggr_cntxt) {
3584 ath6kl_err("failed to initialize aggr\n");
3588 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3589 (unsigned long) vif->ndev);
3590 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3591 (unsigned long) vif);
3593 set_bit(WMM_ENABLED, &vif->flags);
3594 spin_lock_init(&vif->if_lock);
3596 INIT_LIST_HEAD(&vif->mc_filter);
3601 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3603 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3606 netif_stop_queue(vif->ndev);
3608 clear_bit(WLAN_ENABLED, &vif->flags);
3611 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3612 test_bit(CONNECT_PEND, &vif->flags);
3613 ath6kl_disconnect(vif);
3614 del_timer(&vif->disconnect_timer);
3617 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3618 (vif->nw_type & AP_NETWORK) ?
3619 bcast_mac : vif->bssid,
3623 if (vif->scan_req) {
3624 struct cfg80211_scan_info info = {
3628 cfg80211_scan_done(vif->scan_req, &info);
3629 vif->scan_req = NULL;
3632 /* need to clean up enhanced bmiss detection fw state */
3633 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3636 void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3638 struct ath6kl *ar = vif->ar;
3639 struct ath6kl_mc_filter *mc_filter, *tmp;
3641 aggr_module_destroy(vif->aggr_cntxt);
3643 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3645 if (vif->nw_type == ADHOC_NETWORK)
3646 ar->ibss_if_active = false;
3648 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3649 list_del(&mc_filter->list);
3653 unregister_netdevice(vif->ndev);
3658 static const char ath6kl_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
3659 /* Common stats names used by many drivers. */
3660 "tx_pkts_nic", "tx_bytes_nic", "rx_pkts_nic", "rx_bytes_nic",
3663 "d_tx_ucast_pkts", "d_tx_bcast_pkts",
3664 "d_tx_ucast_bytes", "d_tx_bcast_bytes",
3665 "d_tx_rts_ok", "d_tx_error", "d_tx_fail",
3666 "d_tx_retry", "d_tx_multi_retry", "d_tx_rts_fail",
3667 "d_tx_tkip_counter_measures",
3670 "d_rx_ucast_pkts", "d_rx_ucast_rate", "d_rx_bcast_pkts",
3671 "d_rx_ucast_bytes", "d_rx_bcast_bytes", "d_rx_frag_pkt",
3672 "d_rx_error", "d_rx_crc_err", "d_rx_keycache_miss",
3673 "d_rx_decrypt_crc_err", "d_rx_duplicate_frames",
3674 "d_rx_mic_err", "d_rx_tkip_format_err", "d_rx_ccmp_format_err",
3675 "d_rx_ccmp_replay_err",
3678 "d_beacon_miss", "d_num_connects", "d_num_disconnects",
3679 "d_beacon_avg_rssi", "d_arp_received", "d_arp_matched",
3683 #define ATH6KL_STATS_LEN ARRAY_SIZE(ath6kl_gstrings_sta_stats)
3685 static int ath6kl_get_sset_count(struct net_device *dev, int sset)
3689 if (sset == ETH_SS_STATS)
3690 rv += ATH6KL_STATS_LEN;
3697 static void ath6kl_get_stats(struct net_device *dev,
3698 struct ethtool_stats *stats,
3701 struct ath6kl_vif *vif = netdev_priv(dev);
3702 struct ath6kl *ar = vif->ar;
3704 struct target_stats *tgt_stats;
3706 memset(data, 0, sizeof(u64) * ATH6KL_STATS_LEN);
3708 ath6kl_read_tgt_stats(ar, vif);
3710 tgt_stats = &vif->target_stats;
3712 data[i++] = tgt_stats->tx_ucast_pkt + tgt_stats->tx_bcast_pkt;
3713 data[i++] = tgt_stats->tx_ucast_byte + tgt_stats->tx_bcast_byte;
3714 data[i++] = tgt_stats->rx_ucast_pkt + tgt_stats->rx_bcast_pkt;
3715 data[i++] = tgt_stats->rx_ucast_byte + tgt_stats->rx_bcast_byte;
3717 data[i++] = tgt_stats->tx_ucast_pkt;
3718 data[i++] = tgt_stats->tx_bcast_pkt;
3719 data[i++] = tgt_stats->tx_ucast_byte;
3720 data[i++] = tgt_stats->tx_bcast_byte;
3721 data[i++] = tgt_stats->tx_rts_success_cnt;
3722 data[i++] = tgt_stats->tx_err;
3723 data[i++] = tgt_stats->tx_fail_cnt;
3724 data[i++] = tgt_stats->tx_retry_cnt;
3725 data[i++] = tgt_stats->tx_mult_retry_cnt;
3726 data[i++] = tgt_stats->tx_rts_fail_cnt;
3727 data[i++] = tgt_stats->tkip_cnter_measures_invoked;
3729 data[i++] = tgt_stats->rx_ucast_pkt;
3730 data[i++] = tgt_stats->rx_ucast_rate;
3731 data[i++] = tgt_stats->rx_bcast_pkt;
3732 data[i++] = tgt_stats->rx_ucast_byte;
3733 data[i++] = tgt_stats->rx_bcast_byte;
3734 data[i++] = tgt_stats->rx_frgment_pkt;
3735 data[i++] = tgt_stats->rx_err;
3736 data[i++] = tgt_stats->rx_crc_err;
3737 data[i++] = tgt_stats->rx_key_cache_miss;
3738 data[i++] = tgt_stats->rx_decrypt_err;
3739 data[i++] = tgt_stats->rx_dupl_frame;
3740 data[i++] = tgt_stats->tkip_local_mic_fail;
3741 data[i++] = tgt_stats->tkip_fmt_err;
3742 data[i++] = tgt_stats->ccmp_fmt_err;
3743 data[i++] = tgt_stats->ccmp_replays;
3745 data[i++] = tgt_stats->cs_bmiss_cnt;
3746 data[i++] = tgt_stats->cs_connect_cnt;
3747 data[i++] = tgt_stats->cs_discon_cnt;
3748 data[i++] = tgt_stats->cs_ave_beacon_rssi;
3749 data[i++] = tgt_stats->arp_received;
3750 data[i++] = tgt_stats->arp_matched;
3751 data[i++] = tgt_stats->arp_replied;
3753 if (i != ATH6KL_STATS_LEN) {
3755 ath6kl_err("ethtool stats error, i: %d STATS_LEN: %d\n",
3756 i, (int)ATH6KL_STATS_LEN);
3760 /* These stats are per NIC, not really per vdev, so we just ignore dev. */
3761 static void ath6kl_get_strings(struct net_device *dev, u32 sset, u8 *data)
3763 int sz_sta_stats = 0;
3765 if (sset == ETH_SS_STATS) {
3766 sz_sta_stats = sizeof(ath6kl_gstrings_sta_stats);
3767 memcpy(data, ath6kl_gstrings_sta_stats, sz_sta_stats);
3771 static const struct ethtool_ops ath6kl_ethtool_ops = {
3772 .get_drvinfo = cfg80211_get_drvinfo,
3773 .get_link = ethtool_op_get_link,
3774 .get_strings = ath6kl_get_strings,
3775 .get_ethtool_stats = ath6kl_get_stats,
3776 .get_sset_count = ath6kl_get_sset_count,
3779 struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
3780 unsigned char name_assign_type,
3781 enum nl80211_iftype type,
3782 u8 fw_vif_idx, u8 nw_type)
3784 struct net_device *ndev;
3785 struct ath6kl_vif *vif;
3787 ndev = alloc_netdev(sizeof(*vif), name, name_assign_type, ether_setup);
3791 vif = netdev_priv(ndev);
3792 ndev->ieee80211_ptr = &vif->wdev;
3793 vif->wdev.wiphy = ar->wiphy;
3796 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3797 vif->wdev.netdev = ndev;
3798 vif->wdev.iftype = type;
3799 vif->fw_vif_idx = fw_vif_idx;
3800 vif->nw_type = nw_type;
3801 vif->next_mode = nw_type;
3802 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3803 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3804 vif->bg_scan_period = 0;
3805 vif->htcap[NL80211_BAND_2GHZ].ht_enable = true;
3806 vif->htcap[NL80211_BAND_5GHZ].ht_enable = true;
3808 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3809 if (fw_vif_idx != 0) {
3810 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3812 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3813 ar->fw_capabilities))
3814 ndev->dev_addr[4] ^= 0x80;
3819 ath6kl_init_control_info(vif);
3821 if (ath6kl_cfg80211_vif_init(vif))
3824 netdev_set_default_ethtool_ops(ndev, &ath6kl_ethtool_ops);
3826 if (register_netdevice(ndev))
3829 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3830 vif->sme_state = SME_DISCONNECTED;
3831 set_bit(WLAN_ENABLED, &vif->flags);
3832 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3834 if (type == NL80211_IFTYPE_ADHOC)
3835 ar->ibss_if_active = true;
3837 spin_lock_bh(&ar->list_lock);
3838 list_add_tail(&vif->list, &ar->vif_list);
3839 spin_unlock_bh(&ar->list_lock);
3844 aggr_module_destroy(vif->aggr_cntxt);
3850 static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
3851 .flags = WIPHY_WOWLAN_MAGIC_PKT |
3852 WIPHY_WOWLAN_DISCONNECT |
3853 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3854 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3855 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3856 WIPHY_WOWLAN_4WAY_HANDSHAKE,
3857 .n_patterns = WOW_MAX_FILTERS_PER_LIST,
3858 .pattern_min_len = 1,
3859 .pattern_max_len = WOW_PATTERN_SIZE,
3863 int ath6kl_cfg80211_init(struct ath6kl *ar)
3865 struct wiphy *wiphy = ar->wiphy;
3866 bool band_2gig = false, band_5gig = false, ht = false;
3869 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3871 wiphy->max_remain_on_channel_duration = 5000;
3873 /* set device pointer for wiphy */
3874 set_wiphy_dev(wiphy, ar->dev);
3876 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3877 BIT(NL80211_IFTYPE_ADHOC) |
3878 BIT(NL80211_IFTYPE_AP);
3880 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3881 BIT(NL80211_IFTYPE_P2P_CLIENT);
3884 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
3885 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
3886 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
3887 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3890 /* max num of ssids that can be probed during scanning */
3891 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
3893 /* max num of ssids that can be matched after scan */
3894 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3895 ar->fw_capabilities))
3896 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3898 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
3899 switch (ar->hw.cap) {
3917 ath6kl_err("invalid phy capability!\n");
3922 * Even if the fw has HT support, advertise HT cap only when
3923 * the firmware has support to override RSN capability, otherwise
3924 * 4-way handshake would fail.
3927 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3928 ar->fw_capabilities))) {
3929 ath6kl_band_2ghz.ht_cap.cap = 0;
3930 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3931 ath6kl_band_5ghz.ht_cap.cap = 0;
3932 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3935 ath6kl_err("Firmware lacks RSN-CAP-OVERRIDE, so HT (802.11n) is disabled.");
3938 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
3939 ar->fw_capabilities)) {
3940 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3941 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3942 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3943 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3944 ar->hw.tx_ant = 0x3; /* mask, 2 antenna */
3945 ar->hw.rx_ant = 0x3;
3947 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3948 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3953 wiphy->available_antennas_tx = ar->hw.tx_ant;
3954 wiphy->available_antennas_rx = ar->hw.rx_ant;
3957 wiphy->bands[NL80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3959 wiphy->bands[NL80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3961 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3963 wiphy->cipher_suites = cipher_suites;
3964 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3967 wiphy->wowlan = &ath6kl_wowlan_support;
3970 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
3972 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3973 WIPHY_FLAG_HAVE_AP_SME |
3974 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3975 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3977 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
3978 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3980 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3981 ar->fw_capabilities))
3982 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
3984 ar->wiphy->probe_resp_offload =
3985 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3986 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3987 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3989 ret = wiphy_register(wiphy);
3991 ath6kl_err("couldn't register wiphy device\n");
3995 ar->wiphy_registered = true;
4000 void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
4002 wiphy_unregister(ar->wiphy);
4004 ar->wiphy_registered = false;
4007 struct ath6kl *ath6kl_cfg80211_create(void)
4010 struct wiphy *wiphy;
4012 /* create a new wiphy for use with cfg80211 */
4013 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
4016 ath6kl_err("couldn't allocate wiphy device\n");
4020 ar = wiphy_priv(wiphy);
4026 /* Note: ar variable must not be accessed after calling this! */
4027 void ath6kl_cfg80211_destroy(struct ath6kl *ar)
4031 for (i = 0; i < AP_MAX_NUM_STA; i++)
4032 kfree(ar->sta_list[i].aggr_conn);
4034 wiphy_free(ar->wiphy);